diff options
Diffstat (limited to 'drivers')
419 files changed, 14701 insertions, 12228 deletions
diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 16288e777ec3..562af94bec35 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -59,7 +59,6 @@ static struct dentry *binder_debugfs_dir_entry_proc; static struct binder_node *binder_context_mgr_node; static kuid_t binder_context_mgr_uid = INVALID_UID; static int binder_last_id; -static struct workqueue_struct *binder_deferred_workqueue; #define BINDER_DEBUG_ENTRY(name) \ static int binder_##name##_open(struct inode *inode, struct file *file) \ @@ -3227,7 +3226,7 @@ binder_defer_work(struct binder_proc *proc, enum binder_deferred_state defer) if (hlist_unhashed(&proc->deferred_work_node)) { hlist_add_head(&proc->deferred_work_node, &binder_deferred_list); - queue_work(binder_deferred_workqueue, &binder_deferred_work); + schedule_work(&binder_deferred_work); } mutex_unlock(&binder_deferred_lock); } @@ -3679,10 +3678,6 @@ static int __init binder_init(void) { int ret; - binder_deferred_workqueue = create_singlethread_workqueue("binder"); - if (!binder_deferred_workqueue) - return -ENOMEM; - binder_debugfs_dir_entry_root = debugfs_create_dir("binder", NULL); if (binder_debugfs_dir_entry_root) binder_debugfs_dir_entry_proc = debugfs_create_dir("proc", diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig index 25bcfa0b474f..2585821b24ab 100644 --- a/drivers/dma-buf/Kconfig +++ b/drivers/dma-buf/Kconfig @@ -17,4 +17,17 @@ config SYNC_FILE Files fds, to the DRM driver for example. More details at Documentation/sync_file.txt. +config SW_SYNC + bool "Sync File Validation Framework" + default n + depends on SYNC_FILE + depends on DEBUG_FS + ---help--- + A sync object driver that uses a 32bit counter to coordinate + synchronization. Useful when there is no hardware primitive backing + the synchronization. + + WARNING: improper use of this can result in deadlocking kernel + drivers from userspace. Intended for test and debug only. + endmenu diff --git a/drivers/dma-buf/Makefile b/drivers/dma-buf/Makefile index f353db213a81..210a10bfad2b 100644 --- a/drivers/dma-buf/Makefile +++ b/drivers/dma-buf/Makefile @@ -1,2 +1,3 @@ obj-y := dma-buf.o fence.o reservation.o seqno-fence.o fence-array.o obj-$(CONFIG_SYNC_FILE) += sync_file.o +obj-$(CONFIG_SW_SYNC) += sw_sync.o sync_debug.o diff --git a/drivers/staging/android/sw_sync.c b/drivers/dma-buf/sw_sync.c index 115c9174705f..62e8e6dc7953 100644 --- a/drivers/staging/android/sw_sync.c +++ b/drivers/dma-buf/sw_sync.c @@ -1,5 +1,5 @@ /* - * drivers/dma-buf/sw_sync.c + * Sync File validation framework * * Copyright (C) 2012 Google, Inc. * @@ -23,8 +23,38 @@ #include "sync_debug.h" #define CREATE_TRACE_POINTS -#include "trace/sync.h" +#include "sync_trace.h" +/* + * SW SYNC validation framework + * + * A sync object driver that uses a 32bit counter to coordinate + * synchronization. Useful when there is no hardware primitive backing + * the synchronization. + * + * To start the framework just open: + * + * <debugfs>/sync/sw_sync + * + * That will create a sync timeline, all fences created under this timeline + * file descriptor will belong to the this timeline. + * + * The 'sw_sync' file can be opened many times as to create different + * timelines. + * + * Fences can be created with SW_SYNC_IOC_CREATE_FENCE ioctl with struct + * sw_sync_ioctl_create_fence as parameter. + * + * To increment the timeline counter, SW_SYNC_IOC_INC ioctl should be used + * with the increment as u32. This will update the last signaled value + * from the timeline and signal any fence that has a seqno smaller or equal + * to it. + * + * struct sw_sync_ioctl_create_fence + * @value: the seqno to initialise the fence with + * @name: the name of the new sync point + * @fence: return the fd of the new sync_file with the created fence + */ struct sw_sync_create_fence_data { __u32 value; char name[32]; @@ -35,6 +65,7 @@ struct sw_sync_create_fence_data { #define SW_SYNC_IOC_CREATE_FENCE _IOWR(SW_SYNC_IOC_MAGIC, 0,\ struct sw_sync_create_fence_data) + #define SW_SYNC_IOC_INC _IOW(SW_SYNC_IOC_MAGIC, 1, __u32) static const struct fence_ops timeline_fence_ops; @@ -176,7 +207,7 @@ static void timeline_fence_release(struct fence *fence) spin_lock_irqsave(fence->lock, flags); list_del(&pt->child_list); - if (WARN_ON_ONCE(!list_empty(&pt->active_list))) + if (!list_empty(&pt->active_list)) list_del(&pt->active_list); spin_unlock_irqrestore(fence->lock, flags); diff --git a/drivers/staging/android/sync_debug.c b/drivers/dma-buf/sync_debug.c index 4c5a85595a85..fab95204cf74 100644 --- a/drivers/staging/android/sync_debug.c +++ b/drivers/dma-buf/sync_debug.c @@ -1,5 +1,5 @@ /* - * drivers/base/sync.c + * Sync File validation framework and debug information * * Copyright (C) 2012 Google, Inc. * diff --git a/drivers/staging/android/sync_debug.h b/drivers/dma-buf/sync_debug.h index fab66396d421..d269aa6783aa 100644 --- a/drivers/staging/android/sync_debug.h +++ b/drivers/dma-buf/sync_debug.h @@ -1,5 +1,5 @@ /* - * include/linux/sync.h + * Sync File validation framework and debug infomation * * Copyright (C) 2012 Google, Inc. * diff --git a/drivers/staging/android/trace/sync.h b/drivers/dma-buf/sync_trace.h index 6b5ce9640ddd..d13d59ff1b85 100644 --- a/drivers/staging/android/trace/sync.h +++ b/drivers/dma-buf/sync_trace.h @@ -1,11 +1,11 @@ #undef TRACE_SYSTEM -#define TRACE_INCLUDE_PATH ../../drivers/staging/android/trace -#define TRACE_SYSTEM sync +#define TRACE_INCLUDE_PATH ../../drivers/dma-buf +#define TRACE_SYSTEM sync_trace #if !defined(_TRACE_SYNC_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_SYNC_H -#include "../sync_debug.h" +#include "sync_debug.h" #include <linux/tracepoint.h> TRACE_EVENT(sync_timeline, diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig index 78f148ea9d9f..13b8a18785de 100644 --- a/drivers/iio/accel/Kconfig +++ b/drivers/iio/accel/Kconfig @@ -52,6 +52,27 @@ config BMC150_ACCEL_SPI tristate select REGMAP_SPI +config DMARD06 + tristate "Domintech DMARD06 Digital Accelerometer Driver" + depends on OF || COMPILE_TEST + depends on I2C + help + Say yes here to build support for the Domintech low-g tri-axial + digital accelerometers: DMARD05, DMARD06, DMARD07. + + To compile this driver as a module, choose M here: the + module will be called dmard06. + +config DMARD09 + tristate "Domintech DMARD09 3-axis Accelerometer Driver" + depends on I2C + help + Say yes here to get support for the Domintech DMARD09 3-axis + accelerometer. + + Choosing M will build the driver as a module. If so, the module + will be called dmard09. + config HID_SENSOR_ACCEL_3D depends on HID_SENSOR_HUB select IIO_BUFFER diff --git a/drivers/iio/accel/Makefile b/drivers/iio/accel/Makefile index 6cedbecca2ee..e974841ec9cf 100644 --- a/drivers/iio/accel/Makefile +++ b/drivers/iio/accel/Makefile @@ -8,6 +8,8 @@ obj-$(CONFIG_BMA220) += bma220_spi.o obj-$(CONFIG_BMC150_ACCEL) += bmc150-accel-core.o obj-$(CONFIG_BMC150_ACCEL_I2C) += bmc150-accel-i2c.o obj-$(CONFIG_BMC150_ACCEL_SPI) += bmc150-accel-spi.o +obj-$(CONFIG_DMARD06) += dmard06.o +obj-$(CONFIG_DMARD09) += dmard09.o obj-$(CONFIG_HID_SENSOR_ACCEL_3D) += hid-sensor-accel-3d.o obj-$(CONFIG_KXCJK1013) += kxcjk-1013.o obj-$(CONFIG_KXSD9) += kxsd9.o diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c index e3f88ba5faf3..0890934ef66f 100644 --- a/drivers/iio/accel/bma180.c +++ b/drivers/iio/accel/bma180.c @@ -469,13 +469,14 @@ static int bma180_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: + ret = iio_device_claim_direct_mode(indio_dev); + if (ret) + return ret; + mutex_lock(&data->mutex); - if (iio_buffer_enabled(indio_dev)) { - mutex_unlock(&data->mutex); - return -EBUSY; - } ret = bma180_get_data_reg(data, chan->scan_index); mutex_unlock(&data->mutex); + iio_device_release_direct_mode(indio_dev); if (ret < 0) return ret; *val = sign_extend32(ret >> chan->scan_type.shift, diff --git a/drivers/iio/accel/dmard06.c b/drivers/iio/accel/dmard06.c new file mode 100644 index 000000000000..656ca8e1927f --- /dev/null +++ b/drivers/iio/accel/dmard06.c @@ -0,0 +1,241 @@ +/* + * IIO driver for Domintech DMARD06 accelerometer + * + * Copyright (C) 2016 Aleksei Mamlin <mamlinav@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/iio/iio.h> + +#define DMARD06_DRV_NAME "dmard06" + +/* Device data registers */ +#define DMARD06_CHIP_ID_REG 0x0f +#define DMARD06_TOUT_REG 0x40 +#define DMARD06_XOUT_REG 0x41 +#define DMARD06_YOUT_REG 0x42 +#define DMARD06_ZOUT_REG 0x43 +#define DMARD06_CTRL1_REG 0x44 + +/* Device ID value */ +#define DMARD05_CHIP_ID 0x05 +#define DMARD06_CHIP_ID 0x06 +#define DMARD07_CHIP_ID 0x07 + +/* Device values */ +#define DMARD05_AXIS_SCALE_VAL 15625 +#define DMARD06_AXIS_SCALE_VAL 31250 +#define DMARD06_TEMP_CENTER_VAL 25 +#define DMARD06_SIGN_BIT 7 + +/* Device power modes */ +#define DMARD06_MODE_NORMAL 0x27 +#define DMARD06_MODE_POWERDOWN 0x00 + +/* Device channels */ +#define DMARD06_ACCEL_CHANNEL(_axis, _reg) { \ + .type = IIO_ACCEL, \ + .address = _reg, \ + .channel2 = IIO_MOD_##_axis, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ + .modified = 1, \ +} + +#define DMARD06_TEMP_CHANNEL(_reg) { \ + .type = IIO_TEMP, \ + .address = _reg, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_OFFSET), \ +} + +struct dmard06_data { + struct i2c_client *client; + u8 chip_id; +}; + +static const struct iio_chan_spec dmard06_channels[] = { + DMARD06_ACCEL_CHANNEL(X, DMARD06_XOUT_REG), + DMARD06_ACCEL_CHANNEL(Y, DMARD06_YOUT_REG), + DMARD06_ACCEL_CHANNEL(Z, DMARD06_ZOUT_REG), + DMARD06_TEMP_CHANNEL(DMARD06_TOUT_REG), +}; + +static int dmard06_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, long mask) +{ + struct dmard06_data *dmard06 = iio_priv(indio_dev); + int ret; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + ret = i2c_smbus_read_byte_data(dmard06->client, + chan->address); + if (ret < 0) { + dev_err(&dmard06->client->dev, + "Error reading data: %d\n", ret); + return ret; + } + + *val = sign_extend32(ret, DMARD06_SIGN_BIT); + + if (dmard06->chip_id == DMARD06_CHIP_ID) + *val = *val >> 1; + + switch (chan->type) { + case IIO_ACCEL: + return IIO_VAL_INT; + case IIO_TEMP: + if (dmard06->chip_id != DMARD06_CHIP_ID) + *val = *val / 2; + return IIO_VAL_INT; + default: + return -EINVAL; + } + case IIO_CHAN_INFO_OFFSET: + switch (chan->type) { + case IIO_TEMP: + *val = DMARD06_TEMP_CENTER_VAL; + return IIO_VAL_INT; + default: + return -EINVAL; + } + case IIO_CHAN_INFO_SCALE: + switch (chan->type) { + case IIO_ACCEL: + *val = 0; + if (dmard06->chip_id == DMARD06_CHIP_ID) + *val2 = DMARD06_AXIS_SCALE_VAL; + else + *val2 = DMARD05_AXIS_SCALE_VAL; + return IIO_VAL_INT_PLUS_MICRO; + default: + return -EINVAL; + } + default: + return -EINVAL; + } +} + +static const struct iio_info dmard06_info = { + .driver_module = THIS_MODULE, + .read_raw = dmard06_read_raw, +}; + +static int dmard06_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + int ret; + struct iio_dev *indio_dev; + struct dmard06_data *dmard06; + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { + dev_err(&client->dev, "I2C check functionality failed\n"); + return -ENXIO; + } + + indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*dmard06)); + if (!indio_dev) { + dev_err(&client->dev, "Failed to allocate iio device\n"); + return -ENOMEM; + } + + dmard06 = iio_priv(indio_dev); + dmard06->client = client; + + ret = i2c_smbus_read_byte_data(dmard06->client, DMARD06_CHIP_ID_REG); + if (ret < 0) { + dev_err(&client->dev, "Error reading chip id: %d\n", ret); + return ret; + } + + if (ret != DMARD05_CHIP_ID && ret != DMARD06_CHIP_ID && + ret != DMARD07_CHIP_ID) { + dev_err(&client->dev, "Invalid chip id: %02d\n", ret); + return -ENODEV; + } + + dmard06->chip_id = ret; + + i2c_set_clientdata(client, indio_dev); + indio_dev->dev.parent = &client->dev; + indio_dev->name = DMARD06_DRV_NAME; + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->channels = dmard06_channels; + indio_dev->num_channels = ARRAY_SIZE(dmard06_channels); + indio_dev->info = &dmard06_info; + + return devm_iio_device_register(&client->dev, indio_dev); +} + +#ifdef CONFIG_PM_SLEEP +static int dmard06_suspend(struct device *dev) +{ + struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); + struct dmard06_data *dmard06 = iio_priv(indio_dev); + int ret; + + ret = i2c_smbus_write_byte_data(dmard06->client, DMARD06_CTRL1_REG, + DMARD06_MODE_POWERDOWN); + if (ret < 0) + return ret; + + return 0; +} + +static int dmard06_resume(struct device *dev) +{ + struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); + struct dmard06_data *dmard06 = iio_priv(indio_dev); + int ret; + + ret = i2c_smbus_write_byte_data(dmard06->client, DMARD06_CTRL1_REG, + DMARD06_MODE_NORMAL); + if (ret < 0) + return ret; + + return 0; +} + +static SIMPLE_DEV_PM_OPS(dmard06_pm_ops, dmard06_suspend, dmard06_resume); +#define DMARD06_PM_OPS (&dmard06_pm_ops) +#else +#define DMARD06_PM_OPS NULL +#endif + +static const struct i2c_device_id dmard06_id[] = { + { "dmard05", 0 }, + { "dmard06", 0 }, + { "dmard07", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, dmard06_id); + +static const struct of_device_id dmard06_of_match[] = { + { .compatible = "domintech,dmard05" }, + { .compatible = "domintech,dmard06" }, + { .compatible = "domintech,dmard07" }, + { } +}; +MODULE_DEVICE_TABLE(of, dmard06_of_match); + +static struct i2c_driver dmard06_driver = { + .probe = dmard06_probe, + .id_table = dmard06_id, + .driver = { + .name = DMARD06_DRV_NAME, + .of_match_table = of_match_ptr(dmard06_of_match), + .pm = DMARD06_PM_OPS, + }, +}; +module_i2c_driver(dmard06_driver); + +MODULE_AUTHOR("Aleksei Mamlin <mamlinav@gmail.com>"); +MODULE_DESCRIPTION("Domintech DMARD06 accelerometer driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/iio/accel/dmard09.c b/drivers/iio/accel/dmard09.c new file mode 100644 index 000000000000..d3a28f96565c --- /dev/null +++ b/drivers/iio/accel/dmard09.c @@ -0,0 +1,157 @@ +/* + * IIO driver for the 3-axis accelerometer Domintech DMARD09. + * + * Copyright (c) 2016, Jelle van der Waa <jelle@vdwaa.nl> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#include <asm/unaligned.h> +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/iio/iio.h> + +#define DMARD09_DRV_NAME "dmard09" + +#define DMARD09_REG_CHIPID 0x18 +#define DMARD09_REG_STAT 0x0A +#define DMARD09_REG_X 0x0C +#define DMARD09_REG_Y 0x0E +#define DMARD09_REG_Z 0x10 +#define DMARD09_CHIPID 0x95 + +#define DMARD09_BUF_LEN 8 +#define DMARD09_AXIS_X 0 +#define DMARD09_AXIS_Y 1 +#define DMARD09_AXIS_Z 2 +#define DMARD09_AXIS_X_OFFSET ((DMARD09_AXIS_X + 1) * 2) +#define DMARD09_AXIS_Y_OFFSET ((DMARD09_AXIS_Y + 1 )* 2) +#define DMARD09_AXIS_Z_OFFSET ((DMARD09_AXIS_Z + 1) * 2) + +struct dmard09_data { + struct i2c_client *client; +}; + +#define DMARD09_CHANNEL(_axis, offset) { \ + .type = IIO_ACCEL, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ + .modified = 1, \ + .address = offset, \ + .channel2 = IIO_MOD_##_axis, \ +} + +static const struct iio_chan_spec dmard09_channels[] = { + DMARD09_CHANNEL(X, DMARD09_AXIS_X_OFFSET), + DMARD09_CHANNEL(Y, DMARD09_AXIS_Y_OFFSET), + DMARD09_CHANNEL(Z, DMARD09_AXIS_Z_OFFSET), +}; + +static int dmard09_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, long mask) +{ + struct dmard09_data *data = iio_priv(indio_dev); + u8 buf[DMARD09_BUF_LEN]; + int ret; + s16 accel; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + /* + * Read from the DMAR09_REG_STAT register, since the chip + * caches reads from the individual X, Y, Z registers. + */ + ret = i2c_smbus_read_i2c_block_data(data->client, + DMARD09_REG_STAT, + DMARD09_BUF_LEN, buf); + if (ret < 0) { + dev_err(&data->client->dev, "Error reading reg %d\n", + DMARD09_REG_STAT); + return ret; + } + + accel = get_unaligned_le16(&buf[chan->address]); + + /* Remove lower 3 bits and sign extend */ + accel <<= 4; + accel >>= 7; + + *val = accel; + + return IIO_VAL_INT; + default: + return -EINVAL; + } +} + +static const struct iio_info dmard09_info = { + .driver_module = THIS_MODULE, + .read_raw = dmard09_read_raw, +}; + +static int dmard09_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + int ret; + struct iio_dev *indio_dev; + struct dmard09_data *data; + + indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data)); + if (!indio_dev) { + dev_err(&client->dev, "iio allocation failed\n"); + return -ENOMEM; + } + + data = iio_priv(indio_dev); + data->client = client; + + ret = i2c_smbus_read_byte_data(data->client, DMARD09_REG_CHIPID); + if (ret < 0) { + dev_err(&client->dev, "Error reading chip id %d\n", ret); + return ret; + } + + if (ret != DMARD09_CHIPID) { + dev_err(&client->dev, "Invalid chip id %d\n", ret); + return -ENODEV; + } + + i2c_set_clientdata(client, indio_dev); + indio_dev->dev.parent = &client->dev; + indio_dev->name = DMARD09_DRV_NAME; + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->channels = dmard09_channels; + indio_dev->num_channels = ARRAY_SIZE(dmard09_channels); + indio_dev->info = &dmard09_info; + + return devm_iio_device_register(&client->dev, indio_dev); +} + +static const struct i2c_device_id dmard09_id[] = { + { "dmard09", 0}, + { }, +}; + +MODULE_DEVICE_TABLE(i2c, dmard09_id); + +static struct i2c_driver dmard09_driver = { + .driver = { + .name = DMARD09_DRV_NAME + }, + .probe = dmard09_probe, + .id_table = dmard09_id, +}; + +module_i2c_driver(dmard09_driver); + +MODULE_AUTHOR("Jelle van der Waa <jelle@vdwaa.nl>"); +MODULE_DESCRIPTION("DMARD09 3-axis accelerometer driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c index 765a72362dc6..3f968c46e667 100644 --- a/drivers/iio/accel/kxcjk-1013.c +++ b/drivers/iio/accel/kxcjk-1013.c @@ -1392,6 +1392,7 @@ static const struct acpi_device_id kx_acpi_match[] = { {"KXCJ1013", KXCJK1013}, {"KXCJ1008", KXCJ91008}, {"KXCJ9000", KXCJ91008}, + {"KIOX000A", KXCJ91008}, {"KXTJ1009", KXTJ21009}, {"SMO8500", KXCJ91008}, { }, diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 767577298ee3..586830ec8800 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -317,6 +317,19 @@ config MCP3422 This driver can also be built as a module. If so, the module will be called mcp3422. +config MEDIATEK_MT6577_AUXADC + tristate "MediaTek AUXADC driver" + depends on ARCH_MEDIATEK || COMPILE_TEST + depends on HAS_IOMEM + help + Say yes here to enable support for MediaTek mt65xx AUXADC. + + The driver supports immediate mode operation to read from one of sixteen + channels (external or internal). + + This driver can also be built as a module. If so, the module will be + called mt6577_auxadc. + config MEN_Z188_ADC tristate "MEN 16z188 ADC IP Core support" depends on MCB @@ -427,6 +440,18 @@ config TI_ADC128S052 This driver can also be built as a module. If so, the module will be called ti-adc128s052. +config TI_ADC161S626 + tristate "Texas Instruments ADC161S626 1-channel differential ADC" + depends on SPI + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER + help + If you say yes here you get support for Texas Instruments ADC141S626, + and ADC161S626 chips. + + This driver can also be built as a module. If so, the module will be + called ti-adc161s626. + config TI_ADS1015 tristate "Texas Instruments ADS1015 ADC" depends on I2C && !SENSORS_ADS1015 diff --git a/drivers/iio/adc/Makefile b/drivers/iio/adc/Makefile index 0ba0d500eedb..33254eb96bec 100644 --- a/drivers/iio/adc/Makefile +++ b/drivers/iio/adc/Makefile @@ -31,6 +31,7 @@ obj-$(CONFIG_MAX1027) += max1027.o obj-$(CONFIG_MAX1363) += max1363.o obj-$(CONFIG_MCP320X) += mcp320x.o obj-$(CONFIG_MCP3422) += mcp3422.o +obj-$(CONFIG_MEDIATEK_MT6577_AUXADC) += mt6577_auxadc.o obj-$(CONFIG_MEN_Z188_ADC) += men_z188_adc.o obj-$(CONFIG_MXS_LRADC) += mxs-lradc.o obj-$(CONFIG_NAU7802) += nau7802.o @@ -41,6 +42,7 @@ obj-$(CONFIG_ROCKCHIP_SARADC) += rockchip_saradc.o obj-$(CONFIG_TI_ADC081C) += ti-adc081c.o obj-$(CONFIG_TI_ADC0832) += ti-adc0832.o obj-$(CONFIG_TI_ADC128S052) += ti-adc128s052.o +obj-$(CONFIG_TI_ADC161S626) += ti-adc161s626.o obj-$(CONFIG_TI_ADS1015) += ti-ads1015.o obj-$(CONFIG_TI_ADS8688) += ti-ads8688.o obj-$(CONFIG_TI_AM335X_ADC) += ti_am335x_adc.o diff --git a/drivers/iio/adc/ad7298.c b/drivers/iio/adc/ad7298.c index 10ec8fce395f..e399bf04c73a 100644 --- a/drivers/iio/adc/ad7298.c +++ b/drivers/iio/adc/ad7298.c @@ -239,16 +239,16 @@ static int ad7298_read_raw(struct iio_dev *indio_dev, switch (m) { case IIO_CHAN_INFO_RAW: - mutex_lock(&indio_dev->mlock); - if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) { - ret = -EBUSY; - } else { - if (chan->address == AD7298_CH_TEMP) - ret = ad7298_scan_temp(st, val); - else - ret = ad7298_scan_direct(st, chan->address); - } - mutex_unlock(&indio_dev->mlock); + ret = iio_device_claim_direct_mode(indio_dev); + if (ret) + return ret; + + if (chan->address == AD7298_CH_TEMP) + ret = ad7298_scan_temp(st, val); + else + ret = ad7298_scan_direct(st, chan->address); + + iio_device_release_direct_mode(indio_dev); if (ret < 0) return ret; diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c index 847789bae821..e6706a09e100 100644 --- a/drivers/iio/adc/ad7793.c +++ b/drivers/iio/adc/ad7793.c @@ -519,11 +519,9 @@ static int ad7793_write_raw(struct iio_dev *indio_dev, int ret, i; unsigned int tmp; - mutex_lock(&indio_dev->mlock); - if (iio_buffer_enabled(indio_dev)) { - mutex_unlock(&indio_dev->mlock); - return -EBUSY; - } + ret = iio_device_claim_direct_mode(indio_dev); + if (ret) + return ret; switch (mask) { case IIO_CHAN_INFO_SCALE: @@ -548,7 +546,7 @@ static int ad7793_write_raw(struct iio_dev *indio_dev, ret = -EINVAL; } - mutex_unlock(&indio_dev->mlock); + iio_device_release_direct_mode(indio_dev); return ret; } diff --git a/drivers/iio/adc/mt6577_auxadc.c b/drivers/iio/adc/mt6577_auxadc.c new file mode 100644 index 000000000000..2d104c828041 --- /dev/null +++ b/drivers/iio/adc/mt6577_auxadc.c @@ -0,0 +1,291 @@ +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: Zhiyong Tao <zhiyong.tao@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/iopoll.h> +#include <linux/io.h> +#include <linux/iio/iio.h> + +/* Register definitions */ +#define MT6577_AUXADC_CON0 0x00 +#define MT6577_AUXADC_CON1 0x04 +#define MT6577_AUXADC_CON2 0x10 +#define MT6577_AUXADC_STA BIT(0) + +#define MT6577_AUXADC_DAT0 0x14 +#define MT6577_AUXADC_RDY0 BIT(12) + +#define MT6577_AUXADC_MISC 0x94 +#define MT6577_AUXADC_PDN_EN BIT(14) + +#define MT6577_AUXADC_DAT_MASK 0xfff +#define MT6577_AUXADC_SLEEP_US 1000 +#define MT6577_AUXADC_TIMEOUT_US 10000 +#define MT6577_AUXADC_POWER_READY_MS 1 +#define MT6577_AUXADC_SAMPLE_READY_US 25 + +struct mt6577_auxadc_device { + void __iomem *reg_base; + struct clk *adc_clk; + struct mutex lock; +}; + +#define MT6577_AUXADC_CHANNEL(idx) { \ + .type = IIO_VOLTAGE, \ + .indexed = 1, \ + .channel = (idx), \ + .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED), \ +} + +static const struct iio_chan_spec mt6577_auxadc_iio_channels[] = { + MT6577_AUXADC_CHANNEL(0), + MT6577_AUXADC_CHANNEL(1), + MT6577_AUXADC_CHANNEL(2), + MT6577_AUXADC_CHANNEL(3), + MT6577_AUXADC_CHANNEL(4), + MT6577_AUXADC_CHANNEL(5), + MT6577_AUXADC_CHANNEL(6), + MT6577_AUXADC_CHANNEL(7), + MT6577_AUXADC_CHANNEL(8), + MT6577_AUXADC_CHANNEL(9), + MT6577_AUXADC_CHANNEL(10), + MT6577_AUXADC_CHANNEL(11), + MT6577_AUXADC_CHANNEL(12), + MT6577_AUXADC_CHANNEL(13), + MT6577_AUXADC_CHANNEL(14), + MT6577_AUXADC_CHANNEL(15), +}; + +static inline void mt6577_auxadc_mod_reg(void __iomem *reg, + u32 or_mask, u32 and_mask) +{ + u32 val; + + val = readl(reg); + val |= or_mask; + val &= ~and_mask; + writel(val, reg); +} + +static int mt6577_auxadc_read(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan) +{ + u32 val; + void __iomem *reg_channel; + int ret; + struct mt6577_auxadc_device *adc_dev = iio_priv(indio_dev); + + reg_channel = adc_dev->reg_base + MT6577_AUXADC_DAT0 + + chan->channel * 0x04; + + mutex_lock(&adc_dev->lock); + + mt6577_auxadc_mod_reg(adc_dev->reg_base + MT6577_AUXADC_CON1, + 0, 1 << chan->channel); + + /* read channel and make sure old ready bit == 0 */ + ret = readl_poll_timeout(reg_channel, val, + ((val & MT6577_AUXADC_RDY0) == 0), + MT6577_AUXADC_SLEEP_US, + MT6577_AUXADC_TIMEOUT_US); + if (ret < 0) { + dev_err(indio_dev->dev.parent, + "wait for channel[%d] ready bit clear time out\n", + chan->channel); + goto err_timeout; + } + + /* set bit to trigger sample */ + mt6577_auxadc_mod_reg(adc_dev->reg_base + MT6577_AUXADC_CON1, + 1 << chan->channel, 0); + + /* we must delay here for hardware sample channel data */ + udelay(MT6577_AUXADC_SAMPLE_READY_US); + + /* check MTK_AUXADC_CON2 if auxadc is idle */ + ret = readl_poll_timeout(adc_dev->reg_base + MT6577_AUXADC_CON2, val, + ((val & MT6577_AUXADC_STA) == 0), + MT6577_AUXADC_SLEEP_US, + MT6577_AUXADC_TIMEOUT_US); + if (ret < 0) { + dev_err(indio_dev->dev.parent, + "wait for auxadc idle time out\n"); + goto err_timeout; + } + + /* read channel and make sure ready bit == 1 */ + ret = readl_poll_timeout(reg_channel, val, + ((val & MT6577_AUXADC_RDY0) != 0), + MT6577_AUXADC_SLEEP_US, + MT6577_AUXADC_TIMEOUT_US); + if (ret < 0) { + dev_err(indio_dev->dev.parent, + "wait for channel[%d] data ready time out\n", + chan->channel); + goto err_timeout; + } + + /* read data */ + val = readl(reg_channel) & MT6577_AUXADC_DAT_MASK; + + mutex_unlock(&adc_dev->lock); + + return val; + +err_timeout: + + mutex_unlock(&adc_dev->lock); + + return -ETIMEDOUT; +} + +static int mt6577_auxadc_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, + int *val2, + long info) +{ + switch (info) { + case IIO_CHAN_INFO_PROCESSED: + *val = mt6577_auxadc_read(indio_dev, chan); + if (*val < 0) { + dev_err(indio_dev->dev.parent, + "failed to sample data on channel[%d]\n", + chan->channel); + return *val; + } + return IIO_VAL_INT; + + default: + return -EINVAL; + } +} + +static const struct iio_info mt6577_auxadc_info = { + .driver_module = THIS_MODULE, + .read_raw = &mt6577_auxadc_read_raw, +}; + +static int mt6577_auxadc_probe(struct platform_device *pdev) +{ + struct mt6577_auxadc_device *adc_dev; + unsigned long adc_clk_rate; + struct resource *res; + struct iio_dev *indio_dev; + int ret; + + indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*adc_dev)); + if (!indio_dev) + return -ENOMEM; + + adc_dev = iio_priv(indio_dev); + indio_dev->dev.parent = &pdev->dev; + indio_dev->name = dev_name(&pdev->dev); + indio_dev->info = &mt6577_auxadc_info; + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->channels = mt6577_auxadc_iio_channels; + indio_dev->num_channels = ARRAY_SIZE(mt6577_auxadc_iio_channels); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + adc_dev->reg_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(adc_dev->reg_base)) { + dev_err(&pdev->dev, "failed to get auxadc base address\n"); + return PTR_ERR(adc_dev->reg_base); + } + + adc_dev->adc_clk = devm_clk_get(&pdev->dev, "main"); + if (IS_ERR(adc_dev->adc_clk)) { + dev_err(&pdev->dev, "failed to get auxadc clock\n"); + return PTR_ERR(adc_dev->adc_clk); + } + + ret = clk_prepare_enable(adc_dev->adc_clk); + if (ret) { + dev_err(&pdev->dev, "failed to enable auxadc clock\n"); + return ret; + } + + adc_clk_rate = clk_get_rate(adc_dev->adc_clk); + if (!adc_clk_rate) { + ret = -EINVAL; + dev_err(&pdev->dev, "null clock rate\n"); + goto err_disable_clk; + } + + mutex_init(&adc_dev->lock); + + mt6577_auxadc_mod_reg(adc_dev->reg_base + MT6577_AUXADC_MISC, + MT6577_AUXADC_PDN_EN, 0); + mdelay(MT6577_AUXADC_POWER_READY_MS); + + platform_set_drvdata(pdev, indio_dev); + + ret = iio_device_register(indio_dev); + if (ret < 0) { + dev_err(&pdev->dev, "failed to register iio device\n"); + goto err_power_off; + } + + return 0; + +err_power_off: + mt6577_auxadc_mod_reg(adc_dev->reg_base + MT6577_AUXADC_MISC, + 0, MT6577_AUXADC_PDN_EN); +err_disable_clk: + clk_disable_unprepare(adc_dev->adc_clk); + return ret; +} + +static int mt6577_auxadc_remove(struct platform_device *pdev) +{ + struct iio_dev *indio_dev = platform_get_drvdata(pdev); + struct mt6577_auxadc_device *adc_dev = iio_priv(indio_dev); + + iio_device_unregister(indio_dev); + + mt6577_auxadc_mod_reg(adc_dev->reg_base + MT6577_AUXADC_MISC, + 0, MT6577_AUXADC_PDN_EN); + + clk_disable_unprepare(adc_dev->adc_clk); + + return 0; +} + +static const struct of_device_id mt6577_auxadc_of_match[] = { + { .compatible = "mediatek,mt2701-auxadc", }, + { .compatible = "mediatek,mt8173-auxadc", }, + { } +}; +MODULE_DEVICE_TABLE(of, mt6577_auxadc_of_match); + +static struct platform_driver mt6577_auxadc_driver = { + .driver = { + .name = "mt6577-auxadc", + .of_match_table = mt6577_auxadc_of_match, + }, + .probe = mt6577_auxadc_probe, + .remove = mt6577_auxadc_remove, +}; +module_platform_driver(mt6577_auxadc_driver); + +MODULE_AUTHOR("Zhiyong Tao <zhiyong.tao@mediatek.com>"); +MODULE_DESCRIPTION("MTK AUXADC Device Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/iio/adc/nau7802.c b/drivers/iio/adc/nau7802.c index db9b829ccf0d..08f446695f97 100644 --- a/drivers/iio/adc/nau7802.c +++ b/drivers/iio/adc/nau7802.c @@ -197,7 +197,7 @@ static irqreturn_t nau7802_eoc_trigger(int irq, void *private) if (st->conversion_count < NAU7802_MIN_CONVERSIONS) st->conversion_count++; if (st->conversion_count >= NAU7802_MIN_CONVERSIONS) - complete_all(&st->value_ok); + complete(&st->value_ok); return IRQ_HANDLED; } diff --git a/drivers/iio/adc/ti-adc161s626.c b/drivers/iio/adc/ti-adc161s626.c new file mode 100644 index 000000000000..f94b69f9c288 --- /dev/null +++ b/drivers/iio/adc/ti-adc161s626.c @@ -0,0 +1,248 @@ +/* + * ti-adc161s626.c - Texas Instruments ADC161S626 1-channel differential ADC + * + * ADC Devices Supported: + * adc141s626 - 14-bit ADC + * adc161s626 - 16-bit ADC + * + * Copyright (C) 2016 Matt Ranostay <mranostay@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/spi/spi.h> +#include <linux/iio/iio.h> +#include <linux/iio/trigger.h> +#include <linux/iio/buffer.h> +#include <linux/iio/trigger_consumer.h> +#include <linux/iio/triggered_buffer.h> + +#define TI_ADC_DRV_NAME "ti-adc161s626" + +enum { + TI_ADC141S626, + TI_ADC161S626, +}; + +static const struct iio_chan_spec ti_adc141s626_channels[] = { + { + .type = IIO_VOLTAGE, + .channel = 0, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .scan_index = 0, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + }, + }, + IIO_CHAN_SOFT_TIMESTAMP(1), +}; + +static const struct iio_chan_spec ti_adc161s626_channels[] = { + { + .type = IIO_VOLTAGE, + .channel = 0, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .scan_index = 0, + .scan_type = { + .sign = 's', + .realbits = 16, + .storagebits = 16, + }, + }, + IIO_CHAN_SOFT_TIMESTAMP(1), +}; + +struct ti_adc_data { + struct iio_dev *indio_dev; + struct spi_device *spi; + u8 read_size; + u8 shift; + + u8 buffer[16] ____cacheline_aligned; +}; + +static int ti_adc_read_measurement(struct ti_adc_data *data, + struct iio_chan_spec const *chan, int *val) +{ + int ret; + + switch (data->read_size) { + case 2: { + __be16 buf; + + ret = spi_read(data->spi, (void *) &buf, 2); + if (ret) + return ret; + + *val = be16_to_cpu(buf); + break; + } + case 3: { + __be32 buf; + + ret = spi_read(data->spi, (void *) &buf, 3); + if (ret) + return ret; + + *val = be32_to_cpu(buf) >> 8; + break; + } + default: + return -EINVAL; + } + + *val = sign_extend32(*val >> data->shift, chan->scan_type.realbits - 1); + + return 0; +} + +static irqreturn_t ti_adc_trigger_handler(int irq, void *private) +{ + struct iio_poll_func *pf = private; + struct iio_dev *indio_dev = pf->indio_dev; + struct ti_adc_data *data = iio_priv(indio_dev); + int ret; + + ret = ti_adc_read_measurement(data, &indio_dev->channels[0], + (int *) &data->buffer); + if (!ret) + iio_push_to_buffers_with_timestamp(indio_dev, + data->buffer, + iio_get_time_ns(indio_dev)); + + iio_trigger_notify_done(indio_dev->trig); + + return IRQ_HANDLED; +} + +static int ti_adc_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, long mask) +{ + struct ti_adc_data *data = iio_priv(indio_dev); + int ret; + + if (mask != IIO_CHAN_INFO_RAW) + return -EINVAL; + + ret = iio_device_claim_direct_mode(indio_dev); + if (ret) + return ret; + + ret = ti_adc_read_measurement(data, chan, val); + iio_device_release_direct_mode(indio_dev); + + if (!ret) + return IIO_VAL_INT; + + return 0; +} + +static const struct iio_info ti_adc_info = { + .driver_module = THIS_MODULE, + .read_raw = ti_adc_read_raw, +}; + +static int ti_adc_probe(struct spi_device *spi) +{ + struct iio_dev *indio_dev; + struct ti_adc_data *data; + int ret; + + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*data)); + if (!indio_dev) + return -ENOMEM; + + indio_dev->info = &ti_adc_info; + indio_dev->dev.parent = &spi->dev; + indio_dev->dev.of_node = spi->dev.of_node; + indio_dev->name = TI_ADC_DRV_NAME; + indio_dev->modes = INDIO_DIRECT_MODE; + spi_set_drvdata(spi, indio_dev); + + data = iio_priv(indio_dev); + data->spi = spi; + + switch (spi_get_device_id(spi)->driver_data) { + case TI_ADC141S626: + indio_dev->channels = ti_adc141s626_channels; + indio_dev->num_channels = ARRAY_SIZE(ti_adc141s626_channels); + data->shift = 0; + data->read_size = 2; + break; + case TI_ADC161S626: + indio_dev->channels = ti_adc161s626_channels; + indio_dev->num_channels = ARRAY_SIZE(ti_adc161s626_channels); + data->shift = 6; + data->read_size = 3; + break; + } + + ret = iio_triggered_buffer_setup(indio_dev, NULL, + ti_adc_trigger_handler, NULL); + if (ret) + return ret; + + ret = iio_device_register(indio_dev); + if (ret) + goto error_unreg_buffer; + + return 0; + +error_unreg_buffer: + iio_triggered_buffer_cleanup(indio_dev); + + return ret; +} + +static int ti_adc_remove(struct spi_device *spi) +{ + struct iio_dev *indio_dev = spi_get_drvdata(spi); + + iio_device_unregister(indio_dev); + iio_triggered_buffer_cleanup(indio_dev); + + return 0; +} + +static const struct of_device_id ti_adc_dt_ids[] = { + { .compatible = "ti,adc141s626", }, + { .compatible = "ti,adc161s626", }, + {} +}; +MODULE_DEVICE_TABLE(of, ti_adc_dt_ids); + +static const struct spi_device_id ti_adc_id[] = { + {"adc141s626", TI_ADC141S626}, + {"adc161s626", TI_ADC161S626}, + {}, +}; +MODULE_DEVICE_TABLE(spi, ti_adc_id); + +static struct spi_driver ti_adc_driver = { + .driver = { + .name = TI_ADC_DRV_NAME, + .of_match_table = of_match_ptr(ti_adc_dt_ids), + }, + .probe = ti_adc_probe, + .remove = ti_adc_remove, + .id_table = ti_adc_id, +}; +module_spi_driver(ti_adc_driver); + +MODULE_AUTHOR("Matt Ranostay <mranostay@gmail.com>"); +MODULE_DESCRIPTION("Texas Instruments ADC1x1S 1-channel differential ADC"); +MODULE_LICENSE("GPL"); diff --git a/drivers/iio/buffer/industrialio-buffer-cb.c b/drivers/iio/buffer/industrialio-buffer-cb.c index 323079c3ccce..b8f550e47d3d 100644 --- a/drivers/iio/buffer/industrialio-buffer-cb.c +++ b/drivers/iio/buffer/industrialio-buffer-cb.c @@ -18,6 +18,7 @@ struct iio_cb_buffer { int (*cb)(const void *data, void *private); void *private; struct iio_channel *channels; + struct iio_dev *indio_dev; }; static struct iio_cb_buffer *buffer_to_cb_buffer(struct iio_buffer *buffer) @@ -52,7 +53,6 @@ struct iio_cb_buffer *iio_channel_get_all_cb(struct device *dev, { int ret; struct iio_cb_buffer *cb_buff; - struct iio_dev *indio_dev; struct iio_channel *chan; cb_buff = kzalloc(sizeof(*cb_buff), GFP_KERNEL); @@ -72,17 +72,17 @@ struct iio_cb_buffer *iio_channel_get_all_cb(struct device *dev, goto error_free_cb_buff; } - indio_dev = cb_buff->channels[0].indio_dev; + cb_buff->indio_dev = cb_buff->channels[0].indio_dev; cb_buff->buffer.scan_mask - = kcalloc(BITS_TO_LONGS(indio_dev->masklength), sizeof(long), - GFP_KERNEL); + = kcalloc(BITS_TO_LONGS(cb_buff->indio_dev->masklength), + sizeof(long), GFP_KERNEL); if (cb_buff->buffer.scan_mask == NULL) { ret = -ENOMEM; goto error_release_channels; } chan = &cb_buff->channels[0]; while (chan->indio_dev) { - if (chan->indio_dev != indio_dev) { + if (chan->indio_dev != cb_buff->indio_dev) { ret = -EINVAL; goto error_free_scan_mask; } @@ -105,17 +105,14 @@ EXPORT_SYMBOL_GPL(iio_channel_get_all_cb); int iio_channel_start_all_cb(struct iio_cb_buffer *cb_buff) { - return iio_update_buffers(cb_buff->channels[0].indio_dev, - &cb_buff->buffer, + return iio_update_buffers(cb_buff->indio_dev, &cb_buff->buffer, NULL); } EXPORT_SYMBOL_GPL(iio_channel_start_all_cb); void iio_channel_stop_all_cb(struct iio_cb_buffer *cb_buff) { - iio_update_buffers(cb_buff->channels[0].indio_dev, - NULL, - &cb_buff->buffer); + iio_update_buffers(cb_buff->indio_dev, NULL, &cb_buff->buffer); } EXPORT_SYMBOL_GPL(iio_channel_stop_all_cb); @@ -133,6 +130,13 @@ struct iio_channel } EXPORT_SYMBOL_GPL(iio_channel_cb_get_channels); +struct iio_dev +*iio_channel_cb_get_iio_dev(const struct iio_cb_buffer *cb_buffer) +{ + return cb_buffer->indio_dev; +} +EXPORT_SYMBOL_GPL(iio_channel_cb_get_iio_dev); + MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>"); MODULE_DESCRIPTION("Industrial I/O callback buffer"); MODULE_LICENSE("GPL"); diff --git a/drivers/iio/chemical/Kconfig b/drivers/iio/chemical/Kconfig index 4bcc025e8c8a..cea7f9857a1f 100644 --- a/drivers/iio/chemical/Kconfig +++ b/drivers/iio/chemical/Kconfig @@ -16,6 +16,7 @@ config ATLAS_PH_SENSOR Atlas Scientific OEM SM sensors: * pH SM sensor * EC SM sensor + * ORP SM sensor To compile this driver as module, choose M here: the module will be called atlas-ph-sensor. diff --git a/drivers/iio/chemical/atlas-ph-sensor.c b/drivers/iio/chemical/atlas-ph-sensor.c index 407f141a1eee..bd321b305a0a 100644 --- a/drivers/iio/chemical/atlas-ph-sensor.c +++ b/drivers/iio/chemical/atlas-ph-sensor.c @@ -66,12 +66,17 @@ #define ATLAS_REG_TDS_DATA 0x1c #define ATLAS_REG_PSS_DATA 0x20 +#define ATLAS_REG_ORP_CALIB_STATUS 0x0d +#define ATLAS_REG_ORP_DATA 0x0e + #define ATLAS_PH_INT_TIME_IN_US 450000 #define ATLAS_EC_INT_TIME_IN_US 650000 +#define ATLAS_ORP_INT_TIME_IN_US 450000 enum { ATLAS_PH_SM, ATLAS_EC_SM, + ATLAS_ORP_SM, }; struct atlas_data { @@ -84,26 +89,10 @@ struct atlas_data { __be32 buffer[6]; /* 96-bit data + 32-bit pad + 64-bit timestamp */ }; -static const struct regmap_range atlas_volatile_ranges[] = { - regmap_reg_range(ATLAS_REG_INT_CONTROL, ATLAS_REG_INT_CONTROL), - regmap_reg_range(ATLAS_REG_PH_DATA, ATLAS_REG_PH_DATA + 4), - regmap_reg_range(ATLAS_REG_EC_DATA, ATLAS_REG_PSS_DATA + 4), -}; - -static const struct regmap_access_table atlas_volatile_table = { - .yes_ranges = atlas_volatile_ranges, - .n_yes_ranges = ARRAY_SIZE(atlas_volatile_ranges), -}; - static const struct regmap_config atlas_regmap_config = { .name = ATLAS_REGMAP_NAME, - .reg_bits = 8, .val_bits = 8, - - .volatile_table = &atlas_volatile_table, - .max_register = ATLAS_REG_PSS_DATA + 4, - .cache_type = REGCACHE_RBTREE, }; static const struct iio_chan_spec atlas_ph_channels[] = { @@ -175,6 +164,23 @@ static const struct iio_chan_spec atlas_ec_channels[] = { }, }; +static const struct iio_chan_spec atlas_orp_channels[] = { + { + .type = IIO_VOLTAGE, + .address = ATLAS_REG_ORP_DATA, + .info_mask_separate = + BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), + .scan_index = 0, + .scan_type = { + .sign = 's', + .realbits = 32, + .storagebits = 32, + .endianness = IIO_BE, + }, + }, + IIO_CHAN_SOFT_TIMESTAMP(1), +}; + static int atlas_check_ph_calibration(struct atlas_data *data) { struct device *dev = &data->client->dev; @@ -240,6 +246,22 @@ static int atlas_check_ec_calibration(struct atlas_data *data) return 0; } +static int atlas_check_orp_calibration(struct atlas_data *data) +{ + struct device *dev = &data->client->dev; + int ret; + unsigned int val; + + ret = regmap_read(data->regmap, ATLAS_REG_ORP_CALIB_STATUS, &val); + if (ret) + return ret; + + if (!val) + dev_warn(dev, "device has not been calibrated\n"); + + return 0; +}; + struct atlas_device { const struct iio_chan_spec *channels; int num_channels; @@ -264,7 +286,13 @@ static struct atlas_device atlas_devices[] = { .calibration = &atlas_check_ec_calibration, .delay = ATLAS_EC_INT_TIME_IN_US, }, - + [ATLAS_ORP_SM] = { + .channels = atlas_orp_channels, + .num_channels = 2, + .data_reg = ATLAS_REG_ORP_DATA, + .calibration = &atlas_check_orp_calibration, + .delay = ATLAS_ORP_INT_TIME_IN_US, + }, }; static int atlas_set_powermode(struct atlas_data *data, int on) @@ -402,15 +430,14 @@ static int atlas_read_raw(struct iio_dev *indio_dev, case IIO_PH: case IIO_CONCENTRATION: case IIO_ELECTRICALCONDUCTIVITY: - mutex_lock(&indio_dev->mlock); + case IIO_VOLTAGE: + ret = iio_device_claim_direct_mode(indio_dev); + if (ret) + return ret; - if (iio_buffer_enabled(indio_dev)) - ret = -EBUSY; - else - ret = atlas_read_measurement(data, - chan->address, ®); + ret = atlas_read_measurement(data, chan->address, ®); - mutex_unlock(&indio_dev->mlock); + iio_device_release_direct_mode(indio_dev); break; default: ret = -EINVAL; @@ -440,6 +467,10 @@ static int atlas_read_raw(struct iio_dev *indio_dev, *val = 0; /* 0.000000001 */ *val2 = 1000; return IIO_VAL_INT_PLUS_NANO; + case IIO_VOLTAGE: + *val = 1; /* 0.1 */ + *val2 = 10; + break; default: return -EINVAL; } @@ -475,6 +506,7 @@ static const struct iio_info atlas_info = { static const struct i2c_device_id atlas_id[] = { { "atlas-ph-sm", ATLAS_PH_SM}, { "atlas-ec-sm", ATLAS_EC_SM}, + { "atlas-orp-sm", ATLAS_ORP_SM}, {} }; MODULE_DEVICE_TABLE(i2c, atlas_id); @@ -482,6 +514,7 @@ MODULE_DEVICE_TABLE(i2c, atlas_id); static const struct of_device_id atlas_dt_ids[] = { { .compatible = "atlas,ph-sm", .data = (void *)ATLAS_PH_SM, }, { .compatible = "atlas,ec-sm", .data = (void *)ATLAS_EC_SM, }, + { .compatible = "atlas,orp-sm", .data = (void *)ATLAS_ORP_SM, }, { } }; MODULE_DEVICE_TABLE(of, atlas_dt_ids); diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c index 5b41f9d0d4f3..5264ed6e03e5 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c @@ -122,6 +122,14 @@ int hid_sensor_power_state(struct hid_sensor_common *st, bool state) #endif } +static void hid_sensor_set_power_work(struct work_struct *work) +{ + struct hid_sensor_common *attrb = container_of(work, + struct hid_sensor_common, + work); + _hid_sensor_power_state(attrb, true); +} + static int hid_sensor_data_rdy_trigger_set_state(struct iio_trigger *trig, bool state) { @@ -130,6 +138,7 @@ static int hid_sensor_data_rdy_trigger_set_state(struct iio_trigger *trig, void hid_sensor_remove_trigger(struct hid_sensor_common *attrb) { + cancel_work_sync(&attrb->work); iio_trigger_unregister(attrb->trigger); iio_trigger_free(attrb->trigger); } @@ -170,6 +179,9 @@ int hid_sensor_setup_trigger(struct iio_dev *indio_dev, const char *name, goto error_unreg_trigger; iio_device_set_drvdata(indio_dev, attrb); + + INIT_WORK(&attrb->work, hid_sensor_set_power_work); + pm_suspend_ignore_children(&attrb->pdev->dev, true); pm_runtime_enable(&attrb->pdev->dev); /* Default to 3 seconds, but can be changed from sysfs */ @@ -202,7 +214,15 @@ static int hid_sensor_resume(struct device *dev) struct platform_device *pdev = to_platform_device(dev); struct iio_dev *indio_dev = platform_get_drvdata(pdev); struct hid_sensor_common *attrb = iio_device_get_drvdata(indio_dev); + schedule_work(&attrb->work); + return 0; +} +static int hid_sensor_runtime_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct iio_dev *indio_dev = platform_get_drvdata(pdev); + struct hid_sensor_common *attrb = iio_device_get_drvdata(indio_dev); return _hid_sensor_power_state(attrb, true); } @@ -211,7 +231,7 @@ static int hid_sensor_resume(struct device *dev) const struct dev_pm_ops hid_sensor_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(hid_sensor_suspend, hid_sensor_resume) SET_RUNTIME_PM_OPS(hid_sensor_suspend, - hid_sensor_resume, NULL) + hid_sensor_runtime_resume, NULL) }; EXPORT_SYMBOL(hid_sensor_pm_ops); diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig index ca814479fadf..b9f044249194 100644 --- a/drivers/iio/dac/Kconfig +++ b/drivers/iio/dac/Kconfig @@ -181,6 +181,15 @@ config AD7303 To compile this driver as module choose M here: the module will be called ad7303. +config CIO_DAC + tristate "Measurement Computing CIO-DAC IIO driver" + depends on X86 && ISA_BUS_API + help + Say yes here to build support for the Measurement Computing CIO-DAC + analog output device family (CIO-DAC16, CIO-DAC08, PC104-DAC06). The + base port addresses for the devices may be configured via the base + array module parameter. + config LPC18XX_DAC tristate "NXP LPC18xx DAC driver" depends on ARCH_LPC18XX || COMPILE_TEST diff --git a/drivers/iio/dac/Makefile b/drivers/iio/dac/Makefile index 8b78d5ca9b11..b1a120612462 100644 --- a/drivers/iio/dac/Makefile +++ b/drivers/iio/dac/Makefile @@ -20,6 +20,7 @@ obj-$(CONFIG_AD5764) += ad5764.o obj-$(CONFIG_AD5791) += ad5791.o obj-$(CONFIG_AD5686) += ad5686.o obj-$(CONFIG_AD7303) += ad7303.o +obj-$(CONFIG_CIO_DAC) += cio-dac.o obj-$(CONFIG_LPC18XX_DAC) += lpc18xx_dac.o obj-$(CONFIG_M62332) += m62332.o obj-$(CONFIG_MAX517) += max517.o diff --git a/drivers/iio/dac/cio-dac.c b/drivers/iio/dac/cio-dac.c new file mode 100644 index 000000000000..5a743e2a779d --- /dev/null +++ b/drivers/iio/dac/cio-dac.c @@ -0,0 +1,144 @@ +/* + * IIO driver for the Measurement Computing CIO-DAC + * Copyright (C) 2016 William Breathitt Gray + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * This driver supports the following Measurement Computing devices: CIO-DAC16, + * CIO-DAC06, and PC104-DAC06. + */ +#include <linux/bitops.h> +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/iio/iio.h> +#include <linux/iio/types.h> +#include <linux/io.h> +#include <linux/ioport.h> +#include <linux/isa.h> +#include <linux/module.h> +#include <linux/moduleparam.h> + +#define CIO_DAC_NUM_CHAN 16 + +#define CIO_DAC_CHAN(chan) { \ + .type = IIO_VOLTAGE, \ + .channel = chan, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .indexed = 1, \ + .output = 1 \ +} + +#define CIO_DAC_EXTENT 32 + +static unsigned int base[max_num_isa_dev(CIO_DAC_EXTENT)]; +static unsigned int num_cio_dac; +module_param_array(base, uint, &num_cio_dac, 0); +MODULE_PARM_DESC(base, "Measurement Computing CIO-DAC base addresses"); + +/** + * struct cio_dac_iio - IIO device private data structure + * @chan_out_states: channels' output states + * @base: base port address of the IIO device + */ +struct cio_dac_iio { + int chan_out_states[CIO_DAC_NUM_CHAN]; + unsigned int base; +}; + +static int cio_dac_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, int *val, int *val2, long mask) +{ + struct cio_dac_iio *const priv = iio_priv(indio_dev); + + if (mask != IIO_CHAN_INFO_RAW) + return -EINVAL; + + *val = priv->chan_out_states[chan->channel]; + + return IIO_VAL_INT; +} + +static int cio_dac_write_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, int val, int val2, long mask) +{ + struct cio_dac_iio *const priv = iio_priv(indio_dev); + const unsigned int chan_addr_offset = 2 * chan->channel; + + if (mask != IIO_CHAN_INFO_RAW) + return -EINVAL; + + /* DAC can only accept up to a 16-bit value */ + if ((unsigned int)val > 65535) + return -EINVAL; + + priv->chan_out_states[chan->channel] = val; + outw(val, priv->base + chan_addr_offset); + + return 0; +} + +static const struct iio_info cio_dac_info = { + .driver_module = THIS_MODULE, + .read_raw = cio_dac_read_raw, + .write_raw = cio_dac_write_raw +}; + +static const struct iio_chan_spec cio_dac_channels[CIO_DAC_NUM_CHAN] = { + CIO_DAC_CHAN(0), CIO_DAC_CHAN(1), CIO_DAC_CHAN(2), CIO_DAC_CHAN(3), + CIO_DAC_CHAN(4), CIO_DAC_CHAN(5), CIO_DAC_CHAN(6), CIO_DAC_CHAN(7), + CIO_DAC_CHAN(8), CIO_DAC_CHAN(9), CIO_DAC_CHAN(10), CIO_DAC_CHAN(11), + CIO_DAC_CHAN(12), CIO_DAC_CHAN(13), CIO_DAC_CHAN(14), CIO_DAC_CHAN(15) +}; + +static int cio_dac_probe(struct device *dev, unsigned int id) +{ + struct iio_dev *indio_dev; + struct cio_dac_iio *priv; + unsigned int i; + + indio_dev = devm_iio_device_alloc(dev, sizeof(*priv)); + if (!indio_dev) + return -ENOMEM; + + if (!devm_request_region(dev, base[id], CIO_DAC_EXTENT, + dev_name(dev))) { + dev_err(dev, "Unable to request port addresses (0x%X-0x%X)\n", + base[id], base[id] + CIO_DAC_EXTENT); + return -EBUSY; + } + + indio_dev->info = &cio_dac_info; + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->channels = cio_dac_channels; + indio_dev->num_channels = CIO_DAC_NUM_CHAN; + indio_dev->name = dev_name(dev); + + priv = iio_priv(indio_dev); + priv->base = base[id]; + + /* initialize DAC outputs to 0V */ + for (i = 0; i < 32; i += 2) + outw(0, base[id] + i); + + return devm_iio_device_register(dev, indio_dev); +} + +static struct isa_driver cio_dac_driver = { + .probe = cio_dac_probe, + .driver = { + .name = "cio-dac" + } +}; + +module_isa_driver(cio_dac_driver, num_cio_dac); + +MODULE_AUTHOR("William Breathitt Gray <vilhelm.gray@gmail.com>"); +MODULE_DESCRIPTION("Measurement Computing CIO-DAC IIO driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/iio/humidity/Kconfig b/drivers/iio/humidity/Kconfig index d04124345992..b17e2e2bd4f5 100644 --- a/drivers/iio/humidity/Kconfig +++ b/drivers/iio/humidity/Kconfig @@ -28,11 +28,11 @@ config HDC100X tristate "TI HDC100x relative humidity and temperature sensor" depends on I2C help - Say yes here to build support for the TI HDC100x series of - relative humidity and temperature sensors. + Say yes here to build support for the Texas Instruments + HDC1000 and HDC1008 relative humidity and temperature sensors. - To compile this driver as a module, choose M here: the module - will be called hdc100x. + To compile this driver as a module, choose M here: the module + will be called hdc100x. config HTU21 tristate "Measurement Specialties HTU21 humidity & temperature sensor" diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig index 3574945183fe..0db0a0d1bba0 100644 --- a/drivers/iio/light/Kconfig +++ b/drivers/iio/light/Kconfig @@ -334,11 +334,11 @@ config US5182D will be called us5182d. config VCNL4000 - tristate "VCNL4000 combined ALS and proximity sensor" + tristate "VCNL4000/4010/4020 combined ALS and proximity sensor" depends on I2C help - Say Y here if you want to build a driver for the Vishay VCNL4000 - combined ambient light and proximity sensor. + Say Y here if you want to build a driver for the Vishay VCNL4000, + VCNL4010, VCNL4020 combined ambient light and proximity sensor. To compile this driver as a module, choose M here: the module will be called vcnl4000. diff --git a/drivers/iio/light/us5182d.c b/drivers/iio/light/us5182d.c index 20c40f780964..18cf2e29e4d5 100644 --- a/drivers/iio/light/us5182d.c +++ b/drivers/iio/light/us5182d.c @@ -894,7 +894,7 @@ static int us5182d_probe(struct i2c_client *client, goto out_err; if (data->default_continuous) { - pm_runtime_set_active(&client->dev); + ret = pm_runtime_set_active(&client->dev); if (ret < 0) goto out_err; } diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c index c9d85bbc9230..360b6e98137a 100644 --- a/drivers/iio/light/vcnl4000.c +++ b/drivers/iio/light/vcnl4000.c @@ -1,6 +1,6 @@ /* - * vcnl4000.c - Support for Vishay VCNL4000 combined ambient light and - * proximity sensor + * vcnl4000.c - Support for Vishay VCNL4000/4010/4020 combined ambient + * light and proximity sensor * * Copyright 2012 Peter Meerwald <pmeerw@pmeerw.net> * @@ -13,6 +13,8 @@ * TODO: * allow to adjust IR current * proximity threshold and event handling + * periodic ALS/proximity measurement (VCNL4010/20) + * interrupts (VCNL4010/20) */ #include <linux/module.h> @@ -24,6 +26,8 @@ #include <linux/iio/sysfs.h> #define VCNL4000_DRV_NAME "vcnl4000" +#define VCNL4000_ID 0x01 +#define VCNL4010_ID 0x02 /* for VCNL4020, VCNL4010 */ #define VCNL4000_COMMAND 0x80 /* Command register */ #define VCNL4000_PROD_REV 0x81 /* Product ID and Revision ID */ @@ -37,13 +41,14 @@ #define VCNL4000_PS_MOD_ADJ 0x8a /* Proximity modulator timing adjustment */ /* Bit masks for COMMAND register */ -#define VCNL4000_AL_RDY 0x40 /* ALS data ready? */ -#define VCNL4000_PS_RDY 0x20 /* proximity data ready? */ -#define VCNL4000_AL_OD 0x10 /* start on-demand ALS measurement */ -#define VCNL4000_PS_OD 0x08 /* start on-demand proximity measurement */ +#define VCNL4000_AL_RDY BIT(6) /* ALS data ready? */ +#define VCNL4000_PS_RDY BIT(5) /* proximity data ready? */ +#define VCNL4000_AL_OD BIT(4) /* start on-demand ALS measurement */ +#define VCNL4000_PS_OD BIT(3) /* start on-demand proximity measurement */ struct vcnl4000_data { struct i2c_client *client; + struct mutex lock; }; static const struct i2c_device_id vcnl4000_id[] = { @@ -59,16 +64,18 @@ static int vcnl4000_measure(struct vcnl4000_data *data, u8 req_mask, __be16 buf; int ret; + mutex_lock(&data->lock); + ret = i2c_smbus_write_byte_data(data->client, VCNL4000_COMMAND, req_mask); if (ret < 0) - return ret; + goto fail; /* wait for data to become ready */ while (tries--) { ret = i2c_smbus_read_byte_data(data->client, VCNL4000_COMMAND); if (ret < 0) - return ret; + goto fail; if (ret & rdy_mask) break; msleep(20); /* measurement takes up to 100 ms */ @@ -77,17 +84,23 @@ static int vcnl4000_measure(struct vcnl4000_data *data, u8 req_mask, if (tries < 0) { dev_err(&data->client->dev, "vcnl4000_measure() failed, data not ready\n"); - return -EIO; + ret = -EIO; + goto fail; } ret = i2c_smbus_read_i2c_block_data(data->client, data_reg, sizeof(buf), (u8 *) &buf); if (ret < 0) - return ret; + goto fail; + mutex_unlock(&data->lock); *val = be16_to_cpu(buf); return 0; + +fail: + mutex_unlock(&data->lock); + return ret; } static const struct iio_chan_spec vcnl4000_channels[] = { @@ -105,7 +118,7 @@ static int vcnl4000_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, int *val2, long mask) { - int ret = -EINVAL; + int ret; struct vcnl4000_data *data = iio_priv(indio_dev); switch (mask) { @@ -117,32 +130,27 @@ static int vcnl4000_read_raw(struct iio_dev *indio_dev, VCNL4000_AL_RESULT_HI, val); if (ret < 0) return ret; - ret = IIO_VAL_INT; - break; + return IIO_VAL_INT; case IIO_PROXIMITY: ret = vcnl4000_measure(data, VCNL4000_PS_OD, VCNL4000_PS_RDY, VCNL4000_PS_RESULT_HI, val); if (ret < 0) return ret; - ret = IIO_VAL_INT; - break; + return IIO_VAL_INT; default: - break; + return -EINVAL; } - break; case IIO_CHAN_INFO_SCALE: - if (chan->type == IIO_LIGHT) { - *val = 0; - *val2 = 250000; - ret = IIO_VAL_INT_PLUS_MICRO; - } - break; + if (chan->type != IIO_LIGHT) + return -EINVAL; + + *val = 0; + *val2 = 250000; + return IIO_VAL_INT_PLUS_MICRO; default: - break; + return -EINVAL; } - - return ret; } static const struct iio_info vcnl4000_info = { @@ -155,7 +163,7 @@ static int vcnl4000_probe(struct i2c_client *client, { struct vcnl4000_data *data; struct iio_dev *indio_dev; - int ret; + int ret, prod_id; indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data)); if (!indio_dev) @@ -164,13 +172,19 @@ static int vcnl4000_probe(struct i2c_client *client, data = iio_priv(indio_dev); i2c_set_clientdata(client, indio_dev); data->client = client; + mutex_init(&data->lock); ret = i2c_smbus_read_byte_data(data->client, VCNL4000_PROD_REV); if (ret < 0) return ret; - dev_info(&client->dev, "VCNL4000 Ambient light/proximity sensor, Prod %02x, Rev: %02x\n", - ret >> 4, ret & 0xf); + prod_id = ret >> 4; + if (prod_id != VCNL4010_ID && prod_id != VCNL4000_ID) + return -ENODEV; + + dev_dbg(&client->dev, "%s Ambient light/proximity sensor, Rev: %02x\n", + (prod_id == VCNL4010_ID) ? "VCNL4010/4020" : "VCNL4000", + ret & 0xf); indio_dev->dev.parent = &client->dev; indio_dev->info = &vcnl4000_info; diff --git a/drivers/iio/magnetometer/Kconfig b/drivers/iio/magnetometer/Kconfig index 1f842abcb4a4..421ad90a5fbe 100644 --- a/drivers/iio/magnetometer/Kconfig +++ b/drivers/iio/magnetometer/Kconfig @@ -5,8 +5,22 @@ menu "Magnetometer sensors" +config AK8974 + tristate "Asahi Kasei AK8974 3-Axis Magnetometer" + depends on I2C + depends on OF + select REGMAP_I2C + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER + help + Say yes here to build support for Asahi Kasei AK8974 or + AMI305 I2C-based 3-axis magnetometer chips. + + To compile this driver as a module, choose M here: the module + will be called ak8974. + config AK8975 - tristate "Asahi Kasei AK 3-Axis Magnetometer" + tristate "Asahi Kasei AK8975 3-Axis Magnetometer" depends on I2C depends on GPIOLIB || COMPILE_TEST select IIO_BUFFER diff --git a/drivers/iio/magnetometer/Makefile b/drivers/iio/magnetometer/Makefile index 92a745c9a6e8..b86d6cb7f285 100644 --- a/drivers/iio/magnetometer/Makefile +++ b/drivers/iio/magnetometer/Makefile @@ -3,6 +3,7 @@ # # When adding new entries keep the list in alphabetical order +obj-$(CONFIG_AK8974) += ak8974.o obj-$(CONFIG_AK8975) += ak8975.o obj-$(CONFIG_BMC150_MAGN) += bmc150_magn.o obj-$(CONFIG_BMC150_MAGN_I2C) += bmc150_magn_i2c.o diff --git a/drivers/iio/magnetometer/ak8974.c b/drivers/iio/magnetometer/ak8974.c new file mode 100644 index 000000000000..e70e4e22b72c --- /dev/null +++ b/drivers/iio/magnetometer/ak8974.c @@ -0,0 +1,863 @@ +/* + * Driver for the Asahi Kasei EMD Corporation AK8974 + * and Aichi Steel AMI305 magnetometer chips. + * Based on a patch from Samu Onkalo and the AK8975 IIO driver. + * + * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). + * Copyright (c) 2010 NVIDIA Corporation. + * Copyright (C) 2016 Linaro Ltd. + * + * Author: Samu Onkalo <samu.p.onkalo@nokia.com> + * Author: Linus Walleij <linus.walleij@linaro.org> + */ +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/irq.h> /* For irq_get_irq_data() */ +#include <linux/completion.h> +#include <linux/err.h> +#include <linux/mutex.h> +#include <linux/delay.h> +#include <linux/bitops.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> +#include <linux/pm_runtime.h> + +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> +#include <linux/iio/trigger.h> +#include <linux/iio/trigger_consumer.h> +#include <linux/iio/triggered_buffer.h> + +/* + * 16-bit registers are little-endian. LSB is at the address defined below + * and MSB is at the next higher address. + */ + +/* These registers are common for AK8974 and AMI305 */ +#define AK8974_SELFTEST 0x0C +#define AK8974_SELFTEST_IDLE 0x55 +#define AK8974_SELFTEST_OK 0xAA + +#define AK8974_INFO 0x0D + +#define AK8974_WHOAMI 0x0F +#define AK8974_WHOAMI_VALUE_AMI305 0x47 +#define AK8974_WHOAMI_VALUE_AK8974 0x48 + +#define AK8974_DATA_X 0x10 +#define AK8974_DATA_Y 0x12 +#define AK8974_DATA_Z 0x14 +#define AK8974_INT_SRC 0x16 +#define AK8974_STATUS 0x18 +#define AK8974_INT_CLEAR 0x1A +#define AK8974_CTRL1 0x1B +#define AK8974_CTRL2 0x1C +#define AK8974_CTRL3 0x1D +#define AK8974_INT_CTRL 0x1E +#define AK8974_INT_THRES 0x26 /* Absolute any axis value threshold */ +#define AK8974_PRESET 0x30 + +/* AK8974-specific offsets */ +#define AK8974_OFFSET_X 0x20 +#define AK8974_OFFSET_Y 0x22 +#define AK8974_OFFSET_Z 0x24 +/* AMI305-specific offsets */ +#define AMI305_OFFSET_X 0x6C +#define AMI305_OFFSET_Y 0x72 +#define AMI305_OFFSET_Z 0x78 + +/* Different temperature registers */ +#define AK8974_TEMP 0x31 +#define AMI305_TEMP 0x60 + +#define AK8974_INT_X_HIGH BIT(7) /* Axis over +threshold */ +#define AK8974_INT_Y_HIGH BIT(6) +#define AK8974_INT_Z_HIGH BIT(5) +#define AK8974_INT_X_LOW BIT(4) /* Axis below -threshold */ +#define AK8974_INT_Y_LOW BIT(3) +#define AK8974_INT_Z_LOW BIT(2) +#define AK8974_INT_RANGE BIT(1) /* Range overflow (any axis) */ + +#define AK8974_STATUS_DRDY BIT(6) /* Data ready */ +#define AK8974_STATUS_OVERRUN BIT(5) /* Data overrun */ +#define AK8974_STATUS_INT BIT(4) /* Interrupt occurred */ + +#define AK8974_CTRL1_POWER BIT(7) /* 0 = standby; 1 = active */ +#define AK8974_CTRL1_RATE BIT(4) /* 0 = 10 Hz; 1 = 20 Hz */ +#define AK8974_CTRL1_FORCE_EN BIT(1) /* 0 = normal; 1 = force */ +#define AK8974_CTRL1_MODE2 BIT(0) /* 0 */ + +#define AK8974_CTRL2_INT_EN BIT(4) /* 1 = enable interrupts */ +#define AK8974_CTRL2_DRDY_EN BIT(3) /* 1 = enable data ready signal */ +#define AK8974_CTRL2_DRDY_POL BIT(2) /* 1 = data ready active high */ +#define AK8974_CTRL2_RESDEF (AK8974_CTRL2_DRDY_POL) + +#define AK8974_CTRL3_RESET BIT(7) /* Software reset */ +#define AK8974_CTRL3_FORCE BIT(6) /* Start forced measurement */ +#define AK8974_CTRL3_SELFTEST BIT(4) /* Set selftest register */ +#define AK8974_CTRL3_RESDEF 0x00 + +#define AK8974_INT_CTRL_XEN BIT(7) /* Enable interrupt for this axis */ +#define AK8974_INT_CTRL_YEN BIT(6) +#define AK8974_INT_CTRL_ZEN BIT(5) +#define AK8974_INT_CTRL_XYZEN (BIT(7)|BIT(6)|BIT(5)) +#define AK8974_INT_CTRL_POL BIT(3) /* 0 = active low; 1 = active high */ +#define AK8974_INT_CTRL_PULSE BIT(1) /* 0 = latched; 1 = pulse (50 usec) */ +#define AK8974_INT_CTRL_RESDEF (AK8974_INT_CTRL_XYZEN | AK8974_INT_CTRL_POL) + +/* The AMI305 has elaborate FW version and serial number registers */ +#define AMI305_VER 0xE8 +#define AMI305_SN 0xEA + +#define AK8974_MAX_RANGE 2048 + +#define AK8974_POWERON_DELAY 50 +#define AK8974_ACTIVATE_DELAY 1 +#define AK8974_SELFTEST_DELAY 1 +/* + * Set the autosuspend to two orders of magnitude larger than the poweron + * delay to make sane reasonable power tradeoff savings (5 seconds in + * this case). + */ +#define AK8974_AUTOSUSPEND_DELAY 5000 + +#define AK8974_MEASTIME 3 + +#define AK8974_PWR_ON 1 +#define AK8974_PWR_OFF 0 + +/** + * struct ak8974 - state container for the AK8974 driver + * @i2c: parent I2C client + * @orientation: mounting matrix, flipped axis etc + * @map: regmap to access the AK8974 registers over I2C + * @regs: the avdd and dvdd power regulators + * @name: the name of the part + * @variant: the whoami ID value (for selecting code paths) + * @lock: locks the magnetometer for exclusive use during a measurement + * @drdy_irq: uses the DRDY IRQ line + * @drdy_complete: completion for DRDY + * @drdy_active_low: the DRDY IRQ is active low + */ +struct ak8974 { + struct i2c_client *i2c; + struct iio_mount_matrix orientation; + struct regmap *map; + struct regulator_bulk_data regs[2]; + const char *name; + u8 variant; + struct mutex lock; + bool drdy_irq; + struct completion drdy_complete; + bool drdy_active_low; +}; + +static const char ak8974_reg_avdd[] = "avdd"; +static const char ak8974_reg_dvdd[] = "dvdd"; + +static int ak8974_set_power(struct ak8974 *ak8974, bool mode) +{ + int ret; + u8 val; + + val = mode ? AK8974_CTRL1_POWER : 0; + val |= AK8974_CTRL1_FORCE_EN; + ret = regmap_write(ak8974->map, AK8974_CTRL1, val); + if (ret < 0) + return ret; + + if (mode) + msleep(AK8974_ACTIVATE_DELAY); + + return 0; +} + +static int ak8974_reset(struct ak8974 *ak8974) +{ + int ret; + + /* Power on to get register access. Sets CTRL1 reg to reset state */ + ret = ak8974_set_power(ak8974, AK8974_PWR_ON); + if (ret) + return ret; + ret = regmap_write(ak8974->map, AK8974_CTRL2, AK8974_CTRL2_RESDEF); + if (ret) + return ret; + ret = regmap_write(ak8974->map, AK8974_CTRL3, AK8974_CTRL3_RESDEF); + if (ret) + return ret; + ret = regmap_write(ak8974->map, AK8974_INT_CTRL, + AK8974_INT_CTRL_RESDEF); + if (ret) + return ret; + + /* After reset, power off is default state */ + return ak8974_set_power(ak8974, AK8974_PWR_OFF); +} + +static int ak8974_configure(struct ak8974 *ak8974) +{ + int ret; + + ret = regmap_write(ak8974->map, AK8974_CTRL2, AK8974_CTRL2_DRDY_EN | + AK8974_CTRL2_INT_EN); + if (ret) + return ret; + ret = regmap_write(ak8974->map, AK8974_CTRL3, 0); + if (ret) + return ret; + ret = regmap_write(ak8974->map, AK8974_INT_CTRL, AK8974_INT_CTRL_POL); + if (ret) + return ret; + + return regmap_write(ak8974->map, AK8974_PRESET, 0); +} + +static int ak8974_trigmeas(struct ak8974 *ak8974) +{ + unsigned int clear; + u8 mask; + u8 val; + int ret; + + /* Clear any previous measurement overflow status */ + ret = regmap_read(ak8974->map, AK8974_INT_CLEAR, &clear); + if (ret) + return ret; + + /* If we have a DRDY IRQ line, use it */ + if (ak8974->drdy_irq) { + mask = AK8974_CTRL2_INT_EN | + AK8974_CTRL2_DRDY_EN | + AK8974_CTRL2_DRDY_POL; + val = AK8974_CTRL2_DRDY_EN; + + if (!ak8974->drdy_active_low) + val |= AK8974_CTRL2_DRDY_POL; + + init_completion(&ak8974->drdy_complete); + ret = regmap_update_bits(ak8974->map, AK8974_CTRL2, + mask, val); + if (ret) + return ret; + } + + /* Force a measurement */ + return regmap_update_bits(ak8974->map, + AK8974_CTRL3, + AK8974_CTRL3_FORCE, + AK8974_CTRL3_FORCE); +} + +static int ak8974_await_drdy(struct ak8974 *ak8974) +{ + int timeout = 2; + unsigned int val; + int ret; + + if (ak8974->drdy_irq) { + ret = wait_for_completion_timeout(&ak8974->drdy_complete, + 1 + msecs_to_jiffies(1000)); + if (!ret) { + dev_err(&ak8974->i2c->dev, + "timeout waiting for DRDY IRQ\n"); + return -ETIMEDOUT; + } + return 0; + } + + /* Default delay-based poll loop */ + do { + msleep(AK8974_MEASTIME); + ret = regmap_read(ak8974->map, AK8974_STATUS, &val); + if (ret < 0) + return ret; + if (val & AK8974_STATUS_DRDY) + return 0; + } while (--timeout); + if (!timeout) { + dev_err(&ak8974->i2c->dev, + "timeout waiting for DRDY\n"); + return -ETIMEDOUT; + } + + return 0; +} + +static int ak8974_getresult(struct ak8974 *ak8974, s16 *result) +{ + unsigned int src; + int ret; + + ret = ak8974_await_drdy(ak8974); + if (ret) + return ret; + ret = regmap_read(ak8974->map, AK8974_INT_SRC, &src); + if (ret < 0) + return ret; + + /* Out of range overflow! Strong magnet close? */ + if (src & AK8974_INT_RANGE) { + dev_err(&ak8974->i2c->dev, + "range overflow in sensor\n"); + return -ERANGE; + } + + ret = regmap_bulk_read(ak8974->map, AK8974_DATA_X, result, 6); + if (ret) + return ret; + + return ret; +} + +static irqreturn_t ak8974_drdy_irq(int irq, void *d) +{ + struct ak8974 *ak8974 = d; + + if (!ak8974->drdy_irq) + return IRQ_NONE; + + /* TODO: timestamp here to get good measurement stamps */ + return IRQ_WAKE_THREAD; +} + +static irqreturn_t ak8974_drdy_irq_thread(int irq, void *d) +{ + struct ak8974 *ak8974 = d; + unsigned int val; + int ret; + + /* Check if this was a DRDY from us */ + ret = regmap_read(ak8974->map, AK8974_STATUS, &val); + if (ret < 0) { + dev_err(&ak8974->i2c->dev, "error reading DRDY status\n"); + return IRQ_HANDLED; + } + if (val & AK8974_STATUS_DRDY) { + /* Yes this was our IRQ */ + complete(&ak8974->drdy_complete); + return IRQ_HANDLED; + } + + /* We may be on a shared IRQ, let the next client check */ + return IRQ_NONE; +} + +static int ak8974_selftest(struct ak8974 *ak8974) +{ + struct device *dev = &ak8974->i2c->dev; + unsigned int val; + int ret; + + ret = regmap_read(ak8974->map, AK8974_SELFTEST, &val); + if (ret) + return ret; + if (val != AK8974_SELFTEST_IDLE) { + dev_err(dev, "selftest not idle before test\n"); + return -EIO; + } + + /* Trigger self-test */ + ret = regmap_update_bits(ak8974->map, + AK8974_CTRL3, + AK8974_CTRL3_SELFTEST, + AK8974_CTRL3_SELFTEST); + if (ret) { + dev_err(dev, "could not write CTRL3\n"); + return ret; + } + + msleep(AK8974_SELFTEST_DELAY); + + ret = regmap_read(ak8974->map, AK8974_SELFTEST, &val); + if (ret) + return ret; + if (val != AK8974_SELFTEST_OK) { + dev_err(dev, "selftest result NOT OK (%02x)\n", val); + return -EIO; + } + + ret = regmap_read(ak8974->map, AK8974_SELFTEST, &val); + if (ret) + return ret; + if (val != AK8974_SELFTEST_IDLE) { + dev_err(dev, "selftest not idle after test (%02x)\n", val); + return -EIO; + } + dev_dbg(dev, "passed self-test\n"); + + return 0; +} + +static int ak8974_get_u16_val(struct ak8974 *ak8974, u8 reg, u16 *val) +{ + int ret; + u16 bulk; + + ret = regmap_bulk_read(ak8974->map, reg, &bulk, 2); + if (ret) + return ret; + *val = le16_to_cpu(bulk); + + return 0; +} + +static int ak8974_detect(struct ak8974 *ak8974) +{ + unsigned int whoami; + const char *name; + int ret; + unsigned int fw; + u16 sn; + + ret = regmap_read(ak8974->map, AK8974_WHOAMI, &whoami); + if (ret) + return ret; + + switch (whoami) { + case AK8974_WHOAMI_VALUE_AMI305: + name = "ami305"; + ret = regmap_read(ak8974->map, AMI305_VER, &fw); + if (ret) + return ret; + fw &= 0x7f; /* only bits 0 thru 6 valid */ + ret = ak8974_get_u16_val(ak8974, AMI305_SN, &sn); + if (ret) + return ret; + dev_info(&ak8974->i2c->dev, + "detected %s, FW ver %02x, S/N: %04x\n", + name, fw, sn); + break; + case AK8974_WHOAMI_VALUE_AK8974: + name = "ak8974"; + dev_info(&ak8974->i2c->dev, "detected AK8974\n"); + break; + default: + dev_err(&ak8974->i2c->dev, "unsupported device (%02x) ", + whoami); + return -ENODEV; + } + + ak8974->name = name; + ak8974->variant = whoami; + + return 0; +} + +static int ak8974_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, + long mask) +{ + struct ak8974 *ak8974 = iio_priv(indio_dev); + s16 hw_values[3]; + int ret = -EINVAL; + + pm_runtime_get_sync(&ak8974->i2c->dev); + mutex_lock(&ak8974->lock); + + switch (mask) { + case IIO_CHAN_INFO_RAW: + if (chan->address > 2) { + dev_err(&ak8974->i2c->dev, "faulty channel address\n"); + ret = -EIO; + goto out_unlock; + } + ret = ak8974_trigmeas(ak8974); + if (ret) + goto out_unlock; + ret = ak8974_getresult(ak8974, hw_values); + if (ret) + goto out_unlock; + + /* + * We read all axes and discard all but one, for optimized + * reading, use the triggered buffer. + */ + *val = le16_to_cpu(hw_values[chan->address]); + + ret = IIO_VAL_INT; + } + + out_unlock: + mutex_unlock(&ak8974->lock); + pm_runtime_mark_last_busy(&ak8974->i2c->dev); + pm_runtime_put_autosuspend(&ak8974->i2c->dev); + + return ret; +} + +static void ak8974_fill_buffer(struct iio_dev *indio_dev) +{ + struct ak8974 *ak8974 = iio_priv(indio_dev); + int ret; + s16 hw_values[8]; /* Three axes + 64bit padding */ + + pm_runtime_get_sync(&ak8974->i2c->dev); + mutex_lock(&ak8974->lock); + + ret = ak8974_trigmeas(ak8974); + if (ret) { + dev_err(&ak8974->i2c->dev, "error triggering measure\n"); + goto out_unlock; + } + ret = ak8974_getresult(ak8974, hw_values); + if (ret) { + dev_err(&ak8974->i2c->dev, "error getting measures\n"); + goto out_unlock; + } + + iio_push_to_buffers_with_timestamp(indio_dev, hw_values, + iio_get_time_ns(indio_dev)); + + out_unlock: + mutex_unlock(&ak8974->lock); + pm_runtime_mark_last_busy(&ak8974->i2c->dev); + pm_runtime_put_autosuspend(&ak8974->i2c->dev); +} + +static irqreturn_t ak8974_handle_trigger(int irq, void *p) +{ + const struct iio_poll_func *pf = p; + struct iio_dev *indio_dev = pf->indio_dev; + + ak8974_fill_buffer(indio_dev); + iio_trigger_notify_done(indio_dev->trig); + + return IRQ_HANDLED; +} + +static const struct iio_mount_matrix * +ak8974_get_mount_matrix(const struct iio_dev *indio_dev, + const struct iio_chan_spec *chan) +{ + struct ak8974 *ak8974 = iio_priv(indio_dev); + + return &ak8974->orientation; +} + +static const struct iio_chan_spec_ext_info ak8974_ext_info[] = { + IIO_MOUNT_MATRIX(IIO_SHARED_BY_DIR, ak8974_get_mount_matrix), + { }, +}; + +#define AK8974_AXIS_CHANNEL(axis, index) \ + { \ + .type = IIO_MAGN, \ + .modified = 1, \ + .channel2 = IIO_MOD_##axis, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .ext_info = ak8974_ext_info, \ + .address = index, \ + .scan_index = index, \ + .scan_type = { \ + .sign = 's', \ + .realbits = 16, \ + .storagebits = 16, \ + .endianness = IIO_LE \ + }, \ + } + +static const struct iio_chan_spec ak8974_channels[] = { + AK8974_AXIS_CHANNEL(X, 0), + AK8974_AXIS_CHANNEL(Y, 1), + AK8974_AXIS_CHANNEL(Z, 2), + IIO_CHAN_SOFT_TIMESTAMP(3), +}; + +static const unsigned long ak8974_scan_masks[] = { 0x7, 0 }; + +static const struct iio_info ak8974_info = { + .read_raw = &ak8974_read_raw, + .driver_module = THIS_MODULE, +}; + +static bool ak8974_writeable_reg(struct device *dev, unsigned int reg) +{ + struct i2c_client *i2c = to_i2c_client(dev); + struct iio_dev *indio_dev = i2c_get_clientdata(i2c); + struct ak8974 *ak8974 = iio_priv(indio_dev); + + switch (reg) { + case AK8974_CTRL1: + case AK8974_CTRL2: + case AK8974_CTRL3: + case AK8974_INT_CTRL: + case AK8974_INT_THRES: + case AK8974_INT_THRES + 1: + case AK8974_PRESET: + case AK8974_PRESET + 1: + return true; + case AK8974_OFFSET_X: + case AK8974_OFFSET_X + 1: + case AK8974_OFFSET_Y: + case AK8974_OFFSET_Y + 1: + case AK8974_OFFSET_Z: + case AK8974_OFFSET_Z + 1: + if (ak8974->variant == AK8974_WHOAMI_VALUE_AK8974) + return true; + return false; + case AMI305_OFFSET_X: + case AMI305_OFFSET_X + 1: + case AMI305_OFFSET_Y: + case AMI305_OFFSET_Y + 1: + case AMI305_OFFSET_Z: + case AMI305_OFFSET_Z + 1: + if (ak8974->variant == AK8974_WHOAMI_VALUE_AMI305) + return true; + return false; + default: + return false; + } +} + +static const struct regmap_config ak8974_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = 0xff, + .writeable_reg = ak8974_writeable_reg, +}; + +static int ak8974_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct iio_dev *indio_dev; + struct ak8974 *ak8974; + unsigned long irq_trig; + int irq = i2c->irq; + int ret; + + /* Register with IIO */ + indio_dev = devm_iio_device_alloc(&i2c->dev, sizeof(*ak8974)); + if (indio_dev == NULL) + return -ENOMEM; + + ak8974 = iio_priv(indio_dev); + i2c_set_clientdata(i2c, indio_dev); + ak8974->i2c = i2c; + mutex_init(&ak8974->lock); + + ret = of_iio_read_mount_matrix(&i2c->dev, + "mount-matrix", + &ak8974->orientation); + if (ret) + return ret; + + ak8974->regs[0].supply = ak8974_reg_avdd; + ak8974->regs[1].supply = ak8974_reg_dvdd; + + ret = devm_regulator_bulk_get(&i2c->dev, + ARRAY_SIZE(ak8974->regs), + ak8974->regs); + if (ret < 0) { + dev_err(&i2c->dev, "cannot get regulators\n"); + return ret; + } + + ret = regulator_bulk_enable(ARRAY_SIZE(ak8974->regs), ak8974->regs); + if (ret < 0) { + dev_err(&i2c->dev, "cannot enable regulators\n"); + return ret; + } + + /* Take runtime PM online */ + pm_runtime_get_noresume(&i2c->dev); + pm_runtime_set_active(&i2c->dev); + pm_runtime_enable(&i2c->dev); + + ak8974->map = devm_regmap_init_i2c(i2c, &ak8974_regmap_config); + if (IS_ERR(ak8974->map)) { + dev_err(&i2c->dev, "failed to allocate register map\n"); + return PTR_ERR(ak8974->map); + } + + ret = ak8974_set_power(ak8974, AK8974_PWR_ON); + if (ret) { + dev_err(&i2c->dev, "could not power on\n"); + goto power_off; + } + + ret = ak8974_detect(ak8974); + if (ret) { + dev_err(&i2c->dev, "neither AK8974 nor AMI305 found\n"); + goto power_off; + } + + ret = ak8974_selftest(ak8974); + if (ret) + dev_err(&i2c->dev, "selftest failed (continuing anyway)\n"); + + ret = ak8974_reset(ak8974); + if (ret) { + dev_err(&i2c->dev, "AK8974 reset failed\n"); + goto power_off; + } + + pm_runtime_set_autosuspend_delay(&i2c->dev, + AK8974_AUTOSUSPEND_DELAY); + pm_runtime_use_autosuspend(&i2c->dev); + pm_runtime_put(&i2c->dev); + + indio_dev->dev.parent = &i2c->dev; + indio_dev->channels = ak8974_channels; + indio_dev->num_channels = ARRAY_SIZE(ak8974_channels); + indio_dev->info = &ak8974_info; + indio_dev->available_scan_masks = ak8974_scan_masks; + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->name = ak8974->name; + + ret = iio_triggered_buffer_setup(indio_dev, NULL, + ak8974_handle_trigger, + NULL); + if (ret) { + dev_err(&i2c->dev, "triggered buffer setup failed\n"); + goto disable_pm; + } + + /* If we have a valid DRDY IRQ, make use of it */ + if (irq > 0) { + irq_trig = irqd_get_trigger_type(irq_get_irq_data(irq)); + if (irq_trig == IRQF_TRIGGER_RISING) { + dev_info(&i2c->dev, "enable rising edge DRDY IRQ\n"); + } else if (irq_trig == IRQF_TRIGGER_FALLING) { + ak8974->drdy_active_low = true; + dev_info(&i2c->dev, "enable falling edge DRDY IRQ\n"); + } else { + irq_trig = IRQF_TRIGGER_RISING; + } + irq_trig |= IRQF_ONESHOT; + irq_trig |= IRQF_SHARED; + + ret = devm_request_threaded_irq(&i2c->dev, + irq, + ak8974_drdy_irq, + ak8974_drdy_irq_thread, + irq_trig, + ak8974->name, + ak8974); + if (ret) { + dev_err(&i2c->dev, "unable to request DRDY IRQ " + "- proceeding without IRQ\n"); + goto no_irq; + } + ak8974->drdy_irq = true; + } + +no_irq: + ret = iio_device_register(indio_dev); + if (ret) { + dev_err(&i2c->dev, "device register failed\n"); + goto cleanup_buffer; + } + + return 0; + +cleanup_buffer: + iio_triggered_buffer_cleanup(indio_dev); +disable_pm: + pm_runtime_put_noidle(&i2c->dev); + pm_runtime_disable(&i2c->dev); + ak8974_set_power(ak8974, AK8974_PWR_OFF); +power_off: + regulator_bulk_disable(ARRAY_SIZE(ak8974->regs), ak8974->regs); + + return ret; +} + +static int __exit ak8974_remove(struct i2c_client *i2c) +{ + struct iio_dev *indio_dev = i2c_get_clientdata(i2c); + struct ak8974 *ak8974 = iio_priv(indio_dev); + + iio_device_unregister(indio_dev); + iio_triggered_buffer_cleanup(indio_dev); + pm_runtime_get_sync(&i2c->dev); + pm_runtime_put_noidle(&i2c->dev); + pm_runtime_disable(&i2c->dev); + ak8974_set_power(ak8974, AK8974_PWR_OFF); + regulator_bulk_disable(ARRAY_SIZE(ak8974->regs), ak8974->regs); + + return 0; +} + +#ifdef CONFIG_PM +static int ak8974_runtime_suspend(struct device *dev) +{ + struct ak8974 *ak8974 = + iio_priv(i2c_get_clientdata(to_i2c_client(dev))); + + ak8974_set_power(ak8974, AK8974_PWR_OFF); + regulator_bulk_disable(ARRAY_SIZE(ak8974->regs), ak8974->regs); + + return 0; +} + +static int ak8974_runtime_resume(struct device *dev) +{ + struct ak8974 *ak8974 = + iio_priv(i2c_get_clientdata(to_i2c_client(dev))); + int ret; + + ret = regulator_bulk_enable(ARRAY_SIZE(ak8974->regs), ak8974->regs); + if (ret) + return ret; + msleep(AK8974_POWERON_DELAY); + ret = ak8974_set_power(ak8974, AK8974_PWR_ON); + if (ret) + goto out_regulator_disable; + + ret = ak8974_configure(ak8974); + if (ret) + goto out_disable_power; + + return 0; + +out_disable_power: + ak8974_set_power(ak8974, AK8974_PWR_OFF); +out_regulator_disable: + regulator_bulk_disable(ARRAY_SIZE(ak8974->regs), ak8974->regs); + + return ret; +} +#endif /* CONFIG_PM */ + +static const struct dev_pm_ops ak8974_dev_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) + SET_RUNTIME_PM_OPS(ak8974_runtime_suspend, + ak8974_runtime_resume, NULL) +}; + +static const struct i2c_device_id ak8974_id[] = { + {"ami305", 0 }, + {"ak8974", 0 }, + {} +}; +MODULE_DEVICE_TABLE(i2c, ak8974_id); + +static const struct of_device_id ak8974_of_match[] = { + { .compatible = "asahi-kasei,ak8974", }, + {} +}; +MODULE_DEVICE_TABLE(of, ak8974_of_match); + +static struct i2c_driver ak8974_driver = { + .driver = { + .name = "ak8974", + .owner = THIS_MODULE, + .pm = &ak8974_dev_pm_ops, + .of_match_table = of_match_ptr(ak8974_of_match), + }, + .probe = ak8974_probe, + .remove = __exit_p(ak8974_remove), + .id_table = ak8974_id, +}; +module_i2c_driver(ak8974_driver); + +MODULE_DESCRIPTION("AK8974 and AMI305 3-axis magnetometer driver"); +MODULE_AUTHOR("Samu Onkalo"); +MODULE_AUTHOR("Linus Walleij"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/iio/magnetometer/mag3110.c b/drivers/iio/magnetometer/mag3110.c index f2be4a049056..f2b3bd7bf862 100644 --- a/drivers/iio/magnetometer/mag3110.c +++ b/drivers/iio/magnetometer/mag3110.c @@ -154,34 +154,41 @@ static int mag3110_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: - if (iio_buffer_enabled(indio_dev)) - return -EBUSY; + ret = iio_device_claim_direct_mode(indio_dev); + if (ret) + return ret; switch (chan->type) { case IIO_MAGN: /* in 0.1 uT / LSB */ ret = mag3110_read(data, buffer); if (ret < 0) - return ret; + goto release; *val = sign_extend32( be16_to_cpu(buffer[chan->scan_index]), 15); - return IIO_VAL_INT; + ret = IIO_VAL_INT; + break; case IIO_TEMP: /* in 1 C / LSB */ mutex_lock(&data->lock); ret = mag3110_request(data); if (ret < 0) { mutex_unlock(&data->lock); - return ret; + goto release; } ret = i2c_smbus_read_byte_data(data->client, MAG3110_DIE_TEMP); mutex_unlock(&data->lock); if (ret < 0) - return ret; + goto release; *val = sign_extend32(ret, 7); - return IIO_VAL_INT; + ret = IIO_VAL_INT; + break; default: - return -EINVAL; + ret = -EINVAL; } +release: + iio_device_release_direct_mode(indio_dev); + return ret; + case IIO_CHAN_INFO_SCALE: switch (chan->type) { case IIO_MAGN: diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c index 1d74b3aafeed..6f84f53dfe54 100644 --- a/drivers/iio/proximity/sx9500.c +++ b/drivers/iio/proximity/sx9500.c @@ -516,7 +516,7 @@ static irqreturn_t sx9500_irq_thread_handler(int irq, void *private) sx9500_push_events(indio_dev); if (val & SX9500_CONVDONE_IRQ) - complete_all(&data->completion); + complete(&data->completion); out: mutex_unlock(&data->mutex); diff --git a/drivers/iio/temperature/Kconfig b/drivers/iio/temperature/Kconfig index c4664e5de791..5ea77a7e261d 100644 --- a/drivers/iio/temperature/Kconfig +++ b/drivers/iio/temperature/Kconfig @@ -3,6 +3,22 @@ # menu "Temperature sensors" +config MAXIM_THERMOCOUPLE + tristate "Maxim thermocouple sensors" + depends on SPI + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER + help + If you say yes here you get support for the Maxim series of + thermocouple sensors connected via SPI. + + Supported sensors: + * MAX6675 + * MAX31855 + + This driver can also be built as a module. If so, the module will + be called maxim_thermocouple. + config MLX90614 tristate "MLX90614 contact-less infrared sensor" depends on I2C diff --git a/drivers/iio/temperature/Makefile b/drivers/iio/temperature/Makefile index 02bc79d49b24..78c3de0dc3f0 100644 --- a/drivers/iio/temperature/Makefile +++ b/drivers/iio/temperature/Makefile @@ -2,6 +2,7 @@ # Makefile for industrial I/O temperature drivers # +obj-$(CONFIG_MAXIM_THERMOCOUPLE) += maxim_thermocouple.o obj-$(CONFIG_MLX90614) += mlx90614.o obj-$(CONFIG_TMP006) += tmp006.o obj-$(CONFIG_TSYS01) += tsys01.o diff --git a/drivers/iio/temperature/maxim_thermocouple.c b/drivers/iio/temperature/maxim_thermocouple.c new file mode 100644 index 000000000000..030827ec8f3a --- /dev/null +++ b/drivers/iio/temperature/maxim_thermocouple.c @@ -0,0 +1,281 @@ +/* + * maxim_thermocouple.c - Support for Maxim thermocouple chips + * + * Copyright (C) 2016 Matt Ranostay <mranostay@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/mutex.h> +#include <linux/err.h> +#include <linux/spi/spi.h> +#include <linux/iio/iio.h> +#include <linux/iio/trigger.h> +#include <linux/iio/buffer.h> +#include <linux/iio/triggered_buffer.h> +#include <linux/iio/trigger_consumer.h> + +#define MAXIM_THERMOCOUPLE_DRV_NAME "maxim_thermocouple" + +enum { + MAX6675, + MAX31855, +}; + +const struct iio_chan_spec max6675_channels[] = { + { /* thermocouple temperature */ + .type = IIO_TEMP, + .info_mask_separate = + BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), + .scan_index = 0, + .scan_type = { + .sign = 's', + .realbits = 13, + .storagebits = 16, + .shift = 3, + .endianness = IIO_BE, + }, + }, + IIO_CHAN_SOFT_TIMESTAMP(1), +}; + +const struct iio_chan_spec max31855_channels[] = { + { /* thermocouple temperature */ + .type = IIO_TEMP, + .address = 2, + .info_mask_separate = + BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), + .scan_index = 0, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + .shift = 2, + .endianness = IIO_BE, + }, + }, + { /* cold junction temperature */ + .type = IIO_TEMP, + .address = 0, + .channel2 = IIO_MOD_TEMP_AMBIENT, + .modified = 1, + .info_mask_separate = + BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), + .scan_index = 1, + .scan_type = { + .sign = 's', + .realbits = 12, + .storagebits = 16, + .shift = 4, + .endianness = IIO_BE, + }, + }, + IIO_CHAN_SOFT_TIMESTAMP(2), +}; + +static const unsigned long max31855_scan_masks[] = {0x3, 0}; + +struct maxim_thermocouple_chip { + const struct iio_chan_spec *channels; + const unsigned long *scan_masks; + u8 num_channels; + u8 read_size; + + /* bit-check for valid input */ + u32 status_bit; +}; + +const struct maxim_thermocouple_chip maxim_thermocouple_chips[] = { + [MAX6675] = { + .channels = max6675_channels, + .num_channels = ARRAY_SIZE(max6675_channels), + .read_size = 2, + .status_bit = BIT(2), + }, + [MAX31855] = { + .channels = max31855_channels, + .num_channels = ARRAY_SIZE(max31855_channels), + .read_size = 4, + .scan_masks = max31855_scan_masks, + .status_bit = BIT(16), + }, +}; + +struct maxim_thermocouple_data { + struct spi_device *spi; + const struct maxim_thermocouple_chip *chip; + + u8 buffer[16] ____cacheline_aligned; +}; + +static int maxim_thermocouple_read(struct maxim_thermocouple_data *data, + struct iio_chan_spec const *chan, int *val) +{ + unsigned int storage_bytes = data->chip->read_size; + unsigned int shift = chan->scan_type.shift + (chan->address * 8); + unsigned int buf; + int ret; + + ret = spi_read(data->spi, (void *) &buf, storage_bytes); + if (ret) + return ret; + + switch (storage_bytes) { + case 2: + *val = be16_to_cpu(buf); + break; + case 4: + *val = be32_to_cpu(buf); + break; + } + + /* check to be sure this is a valid reading */ + if (*val & data->chip->status_bit) + return -EINVAL; + + *val = sign_extend32(*val >> shift, chan->scan_type.realbits - 1); + + return 0; +} + +static irqreturn_t maxim_thermocouple_trigger_handler(int irq, void *private) +{ + struct iio_poll_func *pf = private; + struct iio_dev *indio_dev = pf->indio_dev; + struct maxim_thermocouple_data *data = iio_priv(indio_dev); + int ret; + + ret = spi_read(data->spi, data->buffer, data->chip->read_size); + if (!ret) { + iio_push_to_buffers_with_timestamp(indio_dev, data->buffer, + iio_get_time_ns(indio_dev)); + } + + iio_trigger_notify_done(indio_dev->trig); + + return IRQ_HANDLED; +} + +static int maxim_thermocouple_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, long mask) +{ + struct maxim_thermocouple_data *data = iio_priv(indio_dev); + int ret = -EINVAL; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + ret = iio_device_claim_direct_mode(indio_dev); + if (ret) + return ret; + + ret = maxim_thermocouple_read(data, chan, val); + iio_device_release_direct_mode(indio_dev); + + if (!ret) + return IIO_VAL_INT; + + break; + case IIO_CHAN_INFO_SCALE: + switch (chan->channel2) { + case IIO_MOD_TEMP_AMBIENT: + *val = 62; + *val2 = 500000; /* 1000 * 0.0625 */ + ret = IIO_VAL_INT_PLUS_MICRO; + break; + default: + *val = 250; /* 1000 * 0.25 */ + ret = IIO_VAL_INT; + }; + break; + } + + return ret; +} + +static const struct iio_info maxim_thermocouple_info = { + .driver_module = THIS_MODULE, + .read_raw = maxim_thermocouple_read_raw, +}; + +static int maxim_thermocouple_probe(struct spi_device *spi) +{ + const struct spi_device_id *id = spi_get_device_id(spi); + struct iio_dev *indio_dev; + struct maxim_thermocouple_data *data; + const struct maxim_thermocouple_chip *chip = + &maxim_thermocouple_chips[id->driver_data]; + int ret; + + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*data)); + if (!indio_dev) + return -ENOMEM; + + indio_dev->info = &maxim_thermocouple_info; + indio_dev->name = MAXIM_THERMOCOUPLE_DRV_NAME; + indio_dev->channels = chip->channels; + indio_dev->available_scan_masks = chip->scan_masks; + indio_dev->num_channels = chip->num_channels; + indio_dev->modes = INDIO_DIRECT_MODE; + + data = iio_priv(indio_dev); + data->spi = spi; + data->chip = chip; + + ret = iio_triggered_buffer_setup(indio_dev, NULL, + maxim_thermocouple_trigger_handler, NULL); + if (ret) + return ret; + + ret = iio_device_register(indio_dev); + if (ret) + goto error_unreg_buffer; + + return 0; + +error_unreg_buffer: + iio_triggered_buffer_cleanup(indio_dev); + + return ret; +} + +static int maxim_thermocouple_remove(struct spi_device *spi) +{ + struct iio_dev *indio_dev = spi_get_drvdata(spi); + + iio_device_unregister(indio_dev); + iio_triggered_buffer_cleanup(indio_dev); + + return 0; +} + +static const struct spi_device_id maxim_thermocouple_id[] = { + {"max6675", MAX6675}, + {"max31855", MAX31855}, + {}, +}; +MODULE_DEVICE_TABLE(spi, maxim_thermocouple_id); + +static struct spi_driver maxim_thermocouple_driver = { + .driver = { + .name = MAXIM_THERMOCOUPLE_DRV_NAME, + }, + .probe = maxim_thermocouple_probe, + .remove = maxim_thermocouple_remove, + .id_table = maxim_thermocouple_id, +}; +module_spi_driver(maxim_thermocouple_driver); + +MODULE_AUTHOR("Matt Ranostay <mranostay@gmail.com>"); +MODULE_DESCRIPTION("Maxim thermocouple sensors"); +MODULE_LICENSE("GPL"); diff --git a/drivers/staging/android/Kconfig b/drivers/staging/android/Kconfig index 06e41d24ec62..6c00d6f765c6 100644 --- a/drivers/staging/android/Kconfig +++ b/drivers/staging/android/Kconfig @@ -24,19 +24,6 @@ config ANDROID_LOW_MEMORY_KILLER scripts (/init.rc), and it defines priority values with minimum free memory size for each priority. -config SW_SYNC - bool "Software synchronization framework" - default n - depends on SYNC_FILE - depends on DEBUG_FS - ---help--- - A sync object driver that uses a 32bit counter to coordinate - synchronization. Useful when there is no hardware primitive backing - the synchronization. - - WARNING: improper use of this can result in deadlocking kernel - drivers from userspace. Intended for test and debug only. - source "drivers/staging/android/ion/Kconfig" endif # if ANDROID diff --git a/drivers/staging/android/Makefile b/drivers/staging/android/Makefile index 7ca61b77a8d4..7ed1be798909 100644 --- a/drivers/staging/android/Makefile +++ b/drivers/staging/android/Makefile @@ -4,4 +4,3 @@ obj-y += ion/ obj-$(CONFIG_ASHMEM) += ashmem.o obj-$(CONFIG_ANDROID_LOW_MEMORY_KILLER) += lowmemorykiller.o -obj-$(CONFIG_SW_SYNC) += sw_sync.o sync_debug.o diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c index a2cf93b59016..47de11a79047 100644 --- a/drivers/staging/android/ion/ion.c +++ b/drivers/staging/android/ion/ion.c @@ -174,10 +174,10 @@ static void ion_buffer_add(struct ion_device *dev, /* this function should only be called while dev->lock is held */ static struct ion_buffer *ion_buffer_create(struct ion_heap *heap, - struct ion_device *dev, - unsigned long len, - unsigned long align, - unsigned long flags) + struct ion_device *dev, + unsigned long len, + unsigned long align, + unsigned long flags) { struct ion_buffer *buffer; struct sg_table *table; @@ -205,19 +205,16 @@ static struct ion_buffer *ion_buffer_create(struct ion_heap *heap, goto err2; } - buffer->dev = dev; - buffer->size = len; - - table = heap->ops->map_dma(heap, buffer); - if (WARN_ONCE(table == NULL, - "heap->ops->map_dma should return ERR_PTR on error")) - table = ERR_PTR(-EINVAL); - if (IS_ERR(table)) { + if (buffer->sg_table == NULL) { + WARN_ONCE(1, "This heap needs to set the sgtable"); ret = -EINVAL; goto err1; } - buffer->sg_table = table; + table = buffer->sg_table; + buffer->dev = dev; + buffer->size = len; + if (ion_buffer_fault_user_mappings(buffer)) { int num_pages = PAGE_ALIGN(buffer->size) / PAGE_SIZE; struct scatterlist *sg; @@ -226,7 +223,7 @@ static struct ion_buffer *ion_buffer_create(struct ion_heap *heap, buffer->pages = vmalloc(sizeof(struct page *) * num_pages); if (!buffer->pages) { ret = -ENOMEM; - goto err; + goto err1; } for_each_sg(table->sgl, sg, table->nents, i) { @@ -260,8 +257,6 @@ static struct ion_buffer *ion_buffer_create(struct ion_heap *heap, mutex_unlock(&dev->buffer_lock); return buffer; -err: - heap->ops->unmap_dma(heap, buffer); err1: heap->ops->free(buffer); err2: @@ -273,7 +268,6 @@ void ion_buffer_destroy(struct ion_buffer *buffer) { if (WARN_ON(buffer->kmap_cnt > 0)) buffer->heap->ops->unmap_kernel(buffer->heap, buffer); - buffer->heap->ops->unmap_dma(buffer->heap, buffer); buffer->heap->ops->free(buffer); vfree(buffer->pages); kfree(buffer); @@ -337,7 +331,7 @@ static void ion_buffer_remove_from_handle(struct ion_buffer *buffer) } static struct ion_handle *ion_handle_create(struct ion_client *client, - struct ion_buffer *buffer) + struct ion_buffer *buffer) { struct ion_handle *handle; @@ -377,11 +371,6 @@ static void ion_handle_destroy(struct kref *kref) kfree(handle); } -struct ion_buffer *ion_handle_buffer(struct ion_handle *handle) -{ - return handle->buffer; -} - static void ion_handle_get(struct ion_handle *handle) { kref_get(&handle->ref); @@ -389,11 +378,7 @@ static void ion_handle_get(struct ion_handle *handle) static int ion_handle_put_nolock(struct ion_handle *handle) { - int ret; - - ret = kref_put(&handle->ref, ion_handle_destroy); - - return ret; + return kref_put(&handle->ref, ion_handle_destroy); } static int ion_handle_put(struct ion_handle *handle) @@ -427,7 +412,7 @@ static struct ion_handle *ion_handle_lookup(struct ion_client *client, } static struct ion_handle *ion_handle_get_by_id_nolock(struct ion_client *client, - int id) + int id) { struct ion_handle *handle; @@ -551,15 +536,10 @@ struct ion_handle *ion_alloc(struct ion_client *client, size_t len, } EXPORT_SYMBOL(ion_alloc); -static void ion_free_nolock(struct ion_client *client, struct ion_handle *handle) +static void ion_free_nolock(struct ion_client *client, + struct ion_handle *handle) { - bool valid_handle; - - BUG_ON(client != handle->client); - - valid_handle = ion_handle_validate(client, handle); - - if (!valid_handle) { + if (!ion_handle_validate(client, handle)) { WARN(1, "%s: invalid handle passed to free.\n", __func__); return; } @@ -576,32 +556,6 @@ void ion_free(struct ion_client *client, struct ion_handle *handle) } EXPORT_SYMBOL(ion_free); -int ion_phys(struct ion_client *client, struct ion_handle *handle, - ion_phys_addr_t *addr, size_t *len) -{ - struct ion_buffer *buffer; - int ret; - - mutex_lock(&client->lock); - if (!ion_handle_validate(client, handle)) { - mutex_unlock(&client->lock); - return -EINVAL; - } - - buffer = handle->buffer; - - if (!buffer->heap->ops->phys) { - pr_err("%s: ion_phys is not implemented by this heap (name=%s, type=%d).\n", - __func__, buffer->heap->name, buffer->heap->type); - mutex_unlock(&client->lock); - return -ENODEV; - } - mutex_unlock(&client->lock); - ret = buffer->heap->ops->phys(buffer->heap, buffer, addr, len); - return ret; -} -EXPORT_SYMBOL(ion_phys); - static void *ion_buffer_kmap_get(struct ion_buffer *buffer) { void *vaddr; @@ -612,7 +566,7 @@ static void *ion_buffer_kmap_get(struct ion_buffer *buffer) } vaddr = buffer->heap->ops->map_kernel(buffer->heap, buffer); if (WARN_ONCE(vaddr == NULL, - "heap->ops->map_kernel should return ERR_PTR on error")) + "heap->ops->map_kernel should return ERR_PTR on error")) return ERR_PTR(-EINVAL); if (IS_ERR(vaddr)) return vaddr; @@ -781,14 +735,14 @@ static const struct file_operations debug_client_fops = { }; static int ion_get_client_serial(const struct rb_root *root, - const unsigned char *name) + const unsigned char *name) { int serial = -1; struct rb_node *node; for (node = rb_first(root); node; node = rb_next(node)) { struct ion_client *client = rb_entry(node, struct ion_client, - node); + node); if (strcmp(client->name, name)) continue; @@ -863,14 +817,14 @@ struct ion_client *ion_client_create(struct ion_device *dev, rb_insert_color(&client->node, &dev->clients); client->debug_root = debugfs_create_file(client->display_name, 0664, - dev->clients_debug_root, - client, &debug_client_fops); + dev->clients_debug_root, + client, &debug_client_fops); if (!client->debug_root) { char buf[256], *path; path = dentry_path(dev->clients_debug_root, buf, 256); pr_err("Failed to create client debugfs at %s/%s\n", - path, client->display_name); + path, client->display_name); } up_write(&dev->lock); @@ -917,26 +871,6 @@ void ion_client_destroy(struct ion_client *client) } EXPORT_SYMBOL(ion_client_destroy); -struct sg_table *ion_sg_table(struct ion_client *client, - struct ion_handle *handle) -{ - struct ion_buffer *buffer; - struct sg_table *table; - - mutex_lock(&client->lock); - if (!ion_handle_validate(client, handle)) { - pr_err("%s: invalid handle passed to map_dma.\n", - __func__); - mutex_unlock(&client->lock); - return ERR_PTR(-EINVAL); - } - buffer = handle->buffer; - table = buffer->sg_table; - mutex_unlock(&client->lock); - return table; -} -EXPORT_SYMBOL(ion_sg_table); - static void ion_buffer_sync_for_device(struct ion_buffer *buffer, struct device *dev, enum dma_data_direction direction); @@ -958,7 +892,7 @@ static void ion_unmap_dma_buf(struct dma_buf_attachment *attachment, } void ion_pages_sync_for_device(struct device *dev, struct page *page, - size_t size, enum dma_data_direction dir) + size_t size, enum dma_data_direction dir) { struct scatterlist sg; @@ -998,7 +932,7 @@ static void ion_buffer_sync_for_device(struct ion_buffer *buffer, if (ion_buffer_page_is_dirty(page)) ion_pages_sync_for_device(dev, ion_buffer_page(page), - PAGE_SIZE, dir); + PAGE_SIZE, dir); ion_buffer_page_clean(buffer->pages + i); } @@ -1076,7 +1010,7 @@ static int ion_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma) if (!buffer->heap->ops->map_user) { pr_err("%s: this heap does not define a method for mapping to userspace\n", - __func__); + __func__); return -EINVAL; } @@ -1167,7 +1101,7 @@ static struct dma_buf_ops dma_buf_ops = { }; struct dma_buf *ion_share_dma_buf(struct ion_client *client, - struct ion_handle *handle) + struct ion_handle *handle) { DEFINE_DMA_BUF_EXPORT_INFO(exp_info); struct ion_buffer *buffer; @@ -1342,9 +1276,9 @@ static long ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) struct ion_handle *handle; handle = ion_alloc(client, data.allocation.len, - data.allocation.align, - data.allocation.heap_id_mask, - data.allocation.flags); + data.allocation.align, + data.allocation.heap_id_mask, + data.allocation.flags); if (IS_ERR(handle)) return PTR_ERR(handle); @@ -1358,7 +1292,8 @@ static long ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) struct ion_handle *handle; mutex_lock(&client->lock); - handle = ion_handle_get_by_id_nolock(client, data.handle.handle); + handle = ion_handle_get_by_id_nolock(client, + data.handle.handle); if (IS_ERR(handle)) { mutex_unlock(&client->lock); return PTR_ERR(handle); @@ -1528,7 +1463,7 @@ static int ion_debug_heap_show(struct seq_file *s, void *unused) seq_printf(s, "%16s %16zu\n", "total ", total_size); if (heap->flags & ION_HEAP_FLAG_DEFER_FREE) seq_printf(s, "%16s %16zu\n", "deferred free", - heap->free_list_size); + heap->free_list_size); seq_puts(s, "----------------------------------------------------\n"); if (heap->debug_show) @@ -1588,8 +1523,7 @@ void ion_device_add_heap(struct ion_device *dev, struct ion_heap *heap) { struct dentry *debug_file; - if (!heap->ops->allocate || !heap->ops->free || !heap->ops->map_dma || - !heap->ops->unmap_dma) + if (!heap->ops->allocate || !heap->ops->free) pr_err("%s: can not add heap with invalid ops struct.\n", __func__); @@ -1611,15 +1545,15 @@ void ion_device_add_heap(struct ion_device *dev, struct ion_heap *heap) plist_node_init(&heap->node, -heap->id); plist_add(&heap->node, &dev->heaps); debug_file = debugfs_create_file(heap->name, 0664, - dev->heaps_debug_root, heap, - &debug_heap_fops); + dev->heaps_debug_root, heap, + &debug_heap_fops); if (!debug_file) { char buf[256], *path; path = dentry_path(dev->heaps_debug_root, buf, 256); pr_err("Failed to create heap debugfs at %s/%s\n", - path, heap->name); + path, heap->name); } if (heap->shrinker.count_objects && heap->shrinker.scan_objects) { @@ -1634,7 +1568,7 @@ void ion_device_add_heap(struct ion_device *dev, struct ion_heap *heap) path = dentry_path(dev->heaps_debug_root, buf, 256); pr_err("Failed to create heap shrinker debugfs at %s/%s\n", - path, debug_name); + path, debug_name); } } @@ -1702,38 +1636,3 @@ void ion_device_destroy(struct ion_device *dev) kfree(dev); } EXPORT_SYMBOL(ion_device_destroy); - -void __init ion_reserve(struct ion_platform_data *data) -{ - int i; - - for (i = 0; i < data->nr; i++) { - if (data->heaps[i].size == 0) - continue; - - if (data->heaps[i].base == 0) { - phys_addr_t paddr; - - paddr = memblock_alloc_base(data->heaps[i].size, - data->heaps[i].align, - MEMBLOCK_ALLOC_ANYWHERE); - if (!paddr) { - pr_err("%s: error allocating memblock for heap %d\n", - __func__, i); - continue; - } - data->heaps[i].base = paddr; - } else { - int ret = memblock_reserve(data->heaps[i].base, - data->heaps[i].size); - if (ret) - pr_err("memblock reserve of %zx@%lx failed\n", - data->heaps[i].size, - data->heaps[i].base); - } - pr_info("%s: %s reserved base %lx size %zu\n", __func__, - data->heaps[i].name, - data->heaps[i].base, - data->heaps[i].size); - } -} diff --git a/drivers/staging/android/ion/ion.h b/drivers/staging/android/ion/ion.h index a1331fc169a1..93dafb4586e4 100644 --- a/drivers/staging/android/ion/ion.h +++ b/drivers/staging/android/ion/ion.h @@ -73,17 +73,6 @@ struct ion_platform_data { }; /** - * ion_reserve() - reserve memory for ion heaps if applicable - * @data: platform data specifying starting physical address and - * size - * - * Calls memblock reserve to set aside memory for heaps that are - * located at specific memory addresses or of specific sizes not - * managed by the kernel - */ -void ion_reserve(struct ion_platform_data *data); - -/** * ion_client_create() - allocate a client and returns it * @dev: the global ion device * @name: used for debugging @@ -130,36 +119,6 @@ struct ion_handle *ion_alloc(struct ion_client *client, size_t len, void ion_free(struct ion_client *client, struct ion_handle *handle); /** - * ion_phys - returns the physical address and len of a handle - * @client: the client - * @handle: the handle - * @addr: a pointer to put the address in - * @len: a pointer to put the length in - * - * This function queries the heap for a particular handle to get the - * handle's physical address. It't output is only correct if - * a heap returns physically contiguous memory -- in other cases - * this api should not be implemented -- ion_sg_table should be used - * instead. Returns -EINVAL if the handle is invalid. This has - * no implications on the reference counting of the handle -- - * the returned value may not be valid if the caller is not - * holding a reference. - */ -int ion_phys(struct ion_client *client, struct ion_handle *handle, - ion_phys_addr_t *addr, size_t *len); - -/** - * ion_map_dma - return an sg_table describing a handle - * @client: the client - * @handle: the handle - * - * This function returns the sg_table describing - * a particular ion handle. - */ -struct sg_table *ion_sg_table(struct ion_client *client, - struct ion_handle *handle); - -/** * ion_map_kernel - create mapping for the given handle * @client: the client * @handle: handle to map diff --git a/drivers/staging/android/ion/ion_carveout_heap.c b/drivers/staging/android/ion/ion_carveout_heap.c index 1fb0d81556da..c4f0795fb62e 100644 --- a/drivers/staging/android/ion/ion_carveout_heap.c +++ b/drivers/staging/android/ion/ion_carveout_heap.c @@ -25,6 +25,8 @@ #include "ion.h" #include "ion_priv.h" +#define ION_CARVEOUT_ALLOCATE_FAIL -1 + struct ion_carveout_heap { struct ion_heap heap; struct gen_pool *pool; @@ -56,19 +58,6 @@ void ion_carveout_free(struct ion_heap *heap, ion_phys_addr_t addr, gen_pool_free(carveout_heap->pool, addr, size); } -static int ion_carveout_heap_phys(struct ion_heap *heap, - struct ion_buffer *buffer, - ion_phys_addr_t *addr, size_t *len) -{ - struct sg_table *table = buffer->priv_virt; - struct page *page = sg_page(table->sgl); - ion_phys_addr_t paddr = PFN_PHYS(page_to_pfn(page)); - - *addr = paddr; - *len = buffer->size; - return 0; -} - static int ion_carveout_heap_allocate(struct ion_heap *heap, struct ion_buffer *buffer, unsigned long size, unsigned long align, @@ -95,7 +84,7 @@ static int ion_carveout_heap_allocate(struct ion_heap *heap, } sg_set_page(table->sgl, pfn_to_page(PFN_DOWN(paddr)), size, 0); - buffer->priv_virt = table; + buffer->sg_table = table; return 0; @@ -109,7 +98,7 @@ err_free: static void ion_carveout_heap_free(struct ion_buffer *buffer) { struct ion_heap *heap = buffer->heap; - struct sg_table *table = buffer->priv_virt; + struct sg_table *table = buffer->sg_table; struct page *page = sg_page(table->sgl); ion_phys_addr_t paddr = PFN_PHYS(page_to_pfn(page)); @@ -124,23 +113,9 @@ static void ion_carveout_heap_free(struct ion_buffer *buffer) kfree(table); } -static struct sg_table *ion_carveout_heap_map_dma(struct ion_heap *heap, - struct ion_buffer *buffer) -{ - return buffer->priv_virt; -} - -static void ion_carveout_heap_unmap_dma(struct ion_heap *heap, - struct ion_buffer *buffer) -{ -} - static struct ion_heap_ops carveout_heap_ops = { .allocate = ion_carveout_heap_allocate, .free = ion_carveout_heap_free, - .phys = ion_carveout_heap_phys, - .map_dma = ion_carveout_heap_map_dma, - .unmap_dma = ion_carveout_heap_unmap_dma, .map_user = ion_heap_map_user, .map_kernel = ion_heap_map_kernel, .unmap_kernel = ion_heap_unmap_kernel, diff --git a/drivers/staging/android/ion/ion_chunk_heap.c b/drivers/staging/android/ion/ion_chunk_heap.c index e0553fee9b8a..70495dc645ea 100644 --- a/drivers/staging/android/ion/ion_chunk_heap.c +++ b/drivers/staging/android/ion/ion_chunk_heap.c @@ -34,9 +34,9 @@ struct ion_chunk_heap { }; static int ion_chunk_heap_allocate(struct ion_heap *heap, - struct ion_buffer *buffer, - unsigned long size, unsigned long align, - unsigned long flags) + struct ion_buffer *buffer, + unsigned long size, unsigned long align, + unsigned long flags) { struct ion_chunk_heap *chunk_heap = container_of(heap, struct ion_chunk_heap, heap); @@ -71,11 +71,11 @@ static int ion_chunk_heap_allocate(struct ion_heap *heap, if (!paddr) goto err; sg_set_page(sg, pfn_to_page(PFN_DOWN(paddr)), - chunk_heap->chunk_size, 0); + chunk_heap->chunk_size, 0); sg = sg_next(sg); } - buffer->priv_virt = table; + buffer->sg_table = table; chunk_heap->allocated += allocated_size; return 0; err: @@ -95,7 +95,7 @@ static void ion_chunk_heap_free(struct ion_buffer *buffer) struct ion_heap *heap = buffer->heap; struct ion_chunk_heap *chunk_heap = container_of(heap, struct ion_chunk_heap, heap); - struct sg_table *table = buffer->priv_virt; + struct sg_table *table = buffer->sg_table; struct scatterlist *sg; int i; unsigned long allocated_size; @@ -106,7 +106,7 @@ static void ion_chunk_heap_free(struct ion_buffer *buffer) if (ion_buffer_cached(buffer)) dma_sync_sg_for_device(NULL, table->sgl, table->nents, - DMA_BIDIRECTIONAL); + DMA_BIDIRECTIONAL); for_each_sg(table->sgl, sg, table->nents, i) { gen_pool_free(chunk_heap->pool, page_to_phys(sg_page(sg)), @@ -117,22 +117,9 @@ static void ion_chunk_heap_free(struct ion_buffer *buffer) kfree(table); } -static struct sg_table *ion_chunk_heap_map_dma(struct ion_heap *heap, - struct ion_buffer *buffer) -{ - return buffer->priv_virt; -} - -static void ion_chunk_heap_unmap_dma(struct ion_heap *heap, - struct ion_buffer *buffer) -{ -} - static struct ion_heap_ops chunk_heap_ops = { .allocate = ion_chunk_heap_allocate, .free = ion_chunk_heap_free, - .map_dma = ion_chunk_heap_map_dma, - .unmap_dma = ion_chunk_heap_unmap_dma, .map_user = ion_heap_map_user, .map_kernel = ion_heap_map_kernel, .unmap_kernel = ion_heap_unmap_kernel, @@ -174,7 +161,7 @@ struct ion_heap *ion_chunk_heap_create(struct ion_platform_heap *heap_data) chunk_heap->heap.type = ION_HEAP_TYPE_CHUNK; chunk_heap->heap.flags = ION_HEAP_FLAG_DEFER_FREE; pr_debug("%s: base %lu size %zu align %ld\n", __func__, - chunk_heap->base, heap_data->size, heap_data->align); + chunk_heap->base, heap_data->size, heap_data->align); return &chunk_heap->heap; diff --git a/drivers/staging/android/ion/ion_cma_heap.c b/drivers/staging/android/ion/ion_cma_heap.c index a3446da4fdc2..6c7de74bc7ab 100644 --- a/drivers/staging/android/ion/ion_cma_heap.c +++ b/drivers/staging/android/ion/ion_cma_heap.c @@ -78,6 +78,7 @@ static int ion_cma_allocate(struct ion_heap *heap, struct ion_buffer *buffer, goto free_table; /* keep this for memory release */ buffer->priv_virt = info; + buffer->sg_table = info->table; dev_dbg(dev, "Allocate buffer %p\n", buffer); return 0; @@ -105,36 +106,6 @@ static void ion_cma_free(struct ion_buffer *buffer) kfree(info); } -/* return physical address in addr */ -static int ion_cma_phys(struct ion_heap *heap, struct ion_buffer *buffer, - ion_phys_addr_t *addr, size_t *len) -{ - struct ion_cma_heap *cma_heap = to_cma_heap(buffer->heap); - struct device *dev = cma_heap->dev; - struct ion_cma_buffer_info *info = buffer->priv_virt; - - dev_dbg(dev, "Return buffer %p physical address %pa\n", buffer, - &info->handle); - - *addr = info->handle; - *len = buffer->size; - - return 0; -} - -static struct sg_table *ion_cma_heap_map_dma(struct ion_heap *heap, - struct ion_buffer *buffer) -{ - struct ion_cma_buffer_info *info = buffer->priv_virt; - - return info->table; -} - -static void ion_cma_heap_unmap_dma(struct ion_heap *heap, - struct ion_buffer *buffer) -{ -} - static int ion_cma_mmap(struct ion_heap *mapper, struct ion_buffer *buffer, struct vm_area_struct *vma) { @@ -155,16 +126,13 @@ static void *ion_cma_map_kernel(struct ion_heap *heap, } static void ion_cma_unmap_kernel(struct ion_heap *heap, - struct ion_buffer *buffer) + struct ion_buffer *buffer) { } static struct ion_heap_ops ion_cma_ops = { .allocate = ion_cma_allocate, .free = ion_cma_free, - .map_dma = ion_cma_heap_map_dma, - .unmap_dma = ion_cma_heap_unmap_dma, - .phys = ion_cma_phys, .map_user = ion_cma_mmap, .map_kernel = ion_cma_map_kernel, .unmap_kernel = ion_cma_unmap_kernel, diff --git a/drivers/staging/android/ion/ion_dummy_driver.c b/drivers/staging/android/ion/ion_dummy_driver.c index 814a3c92a56e..b23f2c76c753 100644 --- a/drivers/staging/android/ion/ion_dummy_driver.c +++ b/drivers/staging/android/ion/ion_dummy_driver.c @@ -99,7 +99,7 @@ static int __init ion_dummy_init(void) struct ion_platform_heap *heap_data = &dummy_ion_pdata.heaps[i]; if (heap_data->type == ION_HEAP_TYPE_CARVEOUT && - !heap_data->base) + !heap_data->base) continue; if (heap_data->type == ION_HEAP_TYPE_CHUNK && !heap_data->base) @@ -120,12 +120,12 @@ err: if (carveout_ptr) { free_pages_exact(carveout_ptr, - dummy_heaps[ION_HEAP_TYPE_CARVEOUT].size); + dummy_heaps[ION_HEAP_TYPE_CARVEOUT].size); carveout_ptr = NULL; } if (chunk_ptr) { free_pages_exact(chunk_ptr, - dummy_heaps[ION_HEAP_TYPE_CHUNK].size); + dummy_heaps[ION_HEAP_TYPE_CHUNK].size); chunk_ptr = NULL; } return err; @@ -144,12 +144,12 @@ static void __exit ion_dummy_exit(void) if (carveout_ptr) { free_pages_exact(carveout_ptr, - dummy_heaps[ION_HEAP_TYPE_CARVEOUT].size); + dummy_heaps[ION_HEAP_TYPE_CARVEOUT].size); carveout_ptr = NULL; } if (chunk_ptr) { free_pages_exact(chunk_ptr, - dummy_heaps[ION_HEAP_TYPE_CHUNK].size); + dummy_heaps[ION_HEAP_TYPE_CHUNK].size); chunk_ptr = NULL; } } diff --git a/drivers/staging/android/ion/ion_heap.c b/drivers/staging/android/ion/ion_heap.c index ca15a87f6fd3..4e5c0f17f579 100644 --- a/drivers/staging/android/ion/ion_heap.c +++ b/drivers/staging/android/ion/ion_heap.c @@ -93,7 +93,7 @@ int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer, } len = min(len, remainder); ret = remap_pfn_range(vma, addr, page_to_pfn(page), len, - vma->vm_page_prot); + vma->vm_page_prot); if (ret) return ret; addr += len; @@ -116,7 +116,7 @@ static int ion_heap_clear_pages(struct page **pages, int num, pgprot_t pgprot) } static int ion_heap_sglist_zero(struct scatterlist *sgl, unsigned int nents, - pgprot_t pgprot) + pgprot_t pgprot) { int p = 0; int ret = 0; @@ -181,7 +181,7 @@ size_t ion_heap_freelist_size(struct ion_heap *heap) } static size_t _ion_heap_freelist_drain(struct ion_heap *heap, size_t size, - bool skip_pools) + bool skip_pools) { struct ion_buffer *buffer; size_t total_drained = 0; @@ -266,7 +266,7 @@ int ion_heap_init_deferred_free(struct ion_heap *heap) } static unsigned long ion_heap_shrink_count(struct shrinker *shrinker, - struct shrink_control *sc) + struct shrink_control *sc) { struct ion_heap *heap = container_of(shrinker, struct ion_heap, shrinker); @@ -279,7 +279,7 @@ static unsigned long ion_heap_shrink_count(struct shrinker *shrinker, } static unsigned long ion_heap_shrink_scan(struct shrinker *shrinker, - struct shrink_control *sc) + struct shrink_control *sc) { struct ion_heap *heap = container_of(shrinker, struct ion_heap, shrinker); diff --git a/drivers/staging/android/ion/ion_page_pool.c b/drivers/staging/android/ion/ion_page_pool.c index 1fe80165a462..aea89c1ec345 100644 --- a/drivers/staging/android/ion/ion_page_pool.c +++ b/drivers/staging/android/ion/ion_page_pool.c @@ -30,8 +30,9 @@ static void *ion_page_pool_alloc_pages(struct ion_page_pool *pool) if (!page) return NULL; - ion_pages_sync_for_device(NULL, page, PAGE_SIZE << pool->order, - DMA_BIDIRECTIONAL); + if (!pool->cached) + ion_pages_sync_for_device(NULL, page, PAGE_SIZE << pool->order, + DMA_BIDIRECTIONAL); return page; } @@ -114,7 +115,7 @@ static int ion_page_pool_total(struct ion_page_pool *pool, bool high) } int ion_page_pool_shrink(struct ion_page_pool *pool, gfp_t gfp_mask, - int nr_to_scan) + int nr_to_scan) { int freed = 0; bool high; @@ -147,7 +148,8 @@ int ion_page_pool_shrink(struct ion_page_pool *pool, gfp_t gfp_mask, return freed; } -struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order) +struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order, + bool cached) { struct ion_page_pool *pool = kmalloc(sizeof(*pool), GFP_KERNEL); @@ -161,6 +163,8 @@ struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order) pool->order = order; mutex_init(&pool->mutex); plist_node_init(&pool->list, order); + if (cached) + pool->cached = true; return pool; } diff --git a/drivers/staging/android/ion/ion_priv.h b/drivers/staging/android/ion/ion_priv.h index 0239883bffb7..fcbc231132b5 100644 --- a/drivers/staging/android/ion/ion_priv.h +++ b/drivers/staging/android/ion/ion_priv.h @@ -29,8 +29,6 @@ #include "ion.h" -struct ion_buffer *ion_handle_buffer(struct ion_handle *handle); - /** * struct ion_buffer - metadata for a particular buffer * @ref: reference count @@ -42,8 +40,6 @@ struct ion_buffer *ion_handle_buffer(struct ion_handle *handle); * @size: size of the buffer * @priv_virt: private data to the buffer representable as * a void * - * @priv_phys: private data to the buffer representable as - * an ion_phys_addr_t (and someday a phys_addr_t) * @lock: protects the buffers cnt fields * @kmap_cnt: number of times the buffer is mapped to the kernel * @vaddr: the kernel mapping if kmap_cnt is not zero @@ -69,10 +65,7 @@ struct ion_buffer { unsigned long flags; unsigned long private_flags; size_t size; - union { - void *priv_virt; - ion_phys_addr_t priv_phys; - }; + void *priv_virt; struct mutex lock; int kmap_cnt; void *vaddr; @@ -91,10 +84,6 @@ void ion_buffer_destroy(struct ion_buffer *buffer); * struct ion_heap_ops - ops to operate on a given heap * @allocate: allocate memory * @free: free memory - * @phys get physical address of a buffer (only define on - * physically contiguous heaps) - * @map_dma map the memory for dma to a scatterlist - * @unmap_dma unmap the memory for dma * @map_kernel map memory to the kernel * @unmap_kernel unmap memory to the kernel * @map_user map memory to userspace @@ -111,11 +100,6 @@ struct ion_heap_ops { struct ion_buffer *buffer, unsigned long len, unsigned long align, unsigned long flags); void (*free)(struct ion_buffer *buffer); - int (*phys)(struct ion_heap *heap, struct ion_buffer *buffer, - ion_phys_addr_t *addr, size_t *len); - struct sg_table * (*map_dma)(struct ion_heap *heap, - struct ion_buffer *buffer); - void (*unmap_dma)(struct ion_heap *heap, struct ion_buffer *buffer); void * (*map_kernel)(struct ion_heap *heap, struct ion_buffer *buffer); void (*unmap_kernel)(struct ion_heap *heap, struct ion_buffer *buffer); int (*map_user)(struct ion_heap *mapper, struct ion_buffer *buffer, @@ -328,20 +312,6 @@ struct ion_heap *ion_cma_heap_create(struct ion_platform_heap *); void ion_cma_heap_destroy(struct ion_heap *); /** - * kernel api to allocate/free from carveout -- used when carveout is - * used to back an architecture specific custom heap - */ -ion_phys_addr_t ion_carveout_allocate(struct ion_heap *heap, unsigned long size, - unsigned long align); -void ion_carveout_free(struct ion_heap *heap, ion_phys_addr_t addr, - unsigned long size); -/** - * The carveout heap returns physical addresses, since 0 may be a valid - * physical address, this is used to indicate allocation failed - */ -#define ION_CARVEOUT_ALLOCATE_FAIL -1 - -/** * functions for creating and destroying a heap pool -- allows you * to keep a pool of pre allocated memory to use from your heap. Keeping * a pool of memory that is ready for dma, ie any cached mapping have been @@ -360,6 +330,7 @@ void ion_carveout_free(struct ion_heap *heap, ion_phys_addr_t addr, * @gfp_mask: gfp_mask to use from alloc * @order: order of pages in the pool * @list: plist node for list of pools + * @cached: it's cached pool or not * * Allows you to keep a pool of pre allocated pages to use from your heap. * Keeping a pool of pages that is ready for dma, ie any cached mapping have @@ -369,6 +340,7 @@ void ion_carveout_free(struct ion_heap *heap, ion_phys_addr_t addr, struct ion_page_pool { int high_count; int low_count; + bool cached; struct list_head high_items; struct list_head low_items; struct mutex mutex; @@ -377,7 +349,8 @@ struct ion_page_pool { struct plist_node list; }; -struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order); +struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order, + bool cached); void ion_page_pool_destroy(struct ion_page_pool *); struct page *ion_page_pool_alloc(struct ion_page_pool *); void ion_page_pool_free(struct ion_page_pool *, struct page *); diff --git a/drivers/staging/android/ion/ion_system_heap.c b/drivers/staging/android/ion/ion_system_heap.c index b69dfc706440..7e023d505af8 100644 --- a/drivers/staging/android/ion/ion_system_heap.c +++ b/drivers/staging/android/ion/ion_system_heap.c @@ -26,16 +26,18 @@ #include "ion.h" #include "ion_priv.h" +#define NUM_ORDERS ARRAY_SIZE(orders) + static gfp_t high_order_gfp_flags = (GFP_HIGHUSER | __GFP_ZERO | __GFP_NOWARN | __GFP_NORETRY) & ~__GFP_RECLAIM; -static gfp_t low_order_gfp_flags = (GFP_HIGHUSER | __GFP_ZERO | __GFP_NOWARN); +static gfp_t low_order_gfp_flags = (GFP_HIGHUSER | __GFP_ZERO); static const unsigned int orders[] = {8, 4, 0}; -static const int num_orders = ARRAY_SIZE(orders); + static int order_to_index(unsigned int order) { int i; - for (i = 0; i < num_orders; i++) + for (i = 0; i < NUM_ORDERS; i++) if (order == orders[i]) return i; BUG(); @@ -49,47 +51,55 @@ static inline unsigned int order_to_size(int order) struct ion_system_heap { struct ion_heap heap; - struct ion_page_pool *pools[0]; + struct ion_page_pool *uncached_pools[NUM_ORDERS]; + struct ion_page_pool *cached_pools[NUM_ORDERS]; }; +/** + * The page from page-pool are all zeroed before. We need do cache + * clean for cached buffer. The uncached buffer are always non-cached + * since it's allocated. So no need for non-cached pages. + */ static struct page *alloc_buffer_page(struct ion_system_heap *heap, struct ion_buffer *buffer, unsigned long order) { bool cached = ion_buffer_cached(buffer); - struct ion_page_pool *pool = heap->pools[order_to_index(order)]; + struct ion_page_pool *pool; struct page *page; - if (!cached) { - page = ion_page_pool_alloc(pool); - } else { - gfp_t gfp_flags = low_order_gfp_flags; + if (!cached) + pool = heap->uncached_pools[order_to_index(order)]; + else + pool = heap->cached_pools[order_to_index(order)]; - if (order > 4) - gfp_flags = high_order_gfp_flags; - page = alloc_pages(gfp_flags | __GFP_COMP, order); - if (!page) - return NULL; - ion_pages_sync_for_device(NULL, page, PAGE_SIZE << order, - DMA_BIDIRECTIONAL); - } + page = ion_page_pool_alloc(pool); + if (cached) + ion_pages_sync_for_device(NULL, page, PAGE_SIZE << order, + DMA_BIDIRECTIONAL); return page; } static void free_buffer_page(struct ion_system_heap *heap, struct ion_buffer *buffer, struct page *page) { + struct ion_page_pool *pool; unsigned int order = compound_order(page); bool cached = ion_buffer_cached(buffer); - if (!cached && !(buffer->private_flags & ION_PRIV_FLAG_SHRINKER_FREE)) { - struct ion_page_pool *pool = heap->pools[order_to_index(order)]; - - ion_page_pool_free(pool, page); - } else { + /* go to system */ + if (buffer->private_flags & ION_PRIV_FLAG_SHRINKER_FREE) { __free_pages(page, order); + return; } + + if (!cached) + pool = heap->uncached_pools[order_to_index(order)]; + else + pool = heap->cached_pools[order_to_index(order)]; + + ion_page_pool_free(pool, page); } @@ -101,7 +111,7 @@ static struct page *alloc_largest_available(struct ion_system_heap *heap, struct page *page; int i; - for (i = 0; i < num_orders; i++) { + for (i = 0; i < NUM_ORDERS; i++) { if (size < order_to_size(orders[i])) continue; if (max_order < orders[i]) @@ -118,9 +128,9 @@ static struct page *alloc_largest_available(struct ion_system_heap *heap, } static int ion_system_heap_allocate(struct ion_heap *heap, - struct ion_buffer *buffer, - unsigned long size, unsigned long align, - unsigned long flags) + struct ion_buffer *buffer, + unsigned long size, unsigned long align, + unsigned long flags) { struct ion_system_heap *sys_heap = container_of(heap, struct ion_system_heap, @@ -142,7 +152,7 @@ static int ion_system_heap_allocate(struct ion_heap *heap, INIT_LIST_HEAD(&pages); while (size_remaining > 0) { page = alloc_largest_available(sys_heap, buffer, size_remaining, - max_order); + max_order); if (!page) goto free_pages; list_add_tail(&page->lru, &pages); @@ -164,7 +174,7 @@ static int ion_system_heap_allocate(struct ion_heap *heap, list_del(&page->lru); } - buffer->priv_virt = table; + buffer->sg_table = table; return 0; free_table: @@ -181,16 +191,11 @@ static void ion_system_heap_free(struct ion_buffer *buffer) struct ion_system_heap, heap); struct sg_table *table = buffer->sg_table; - bool cached = ion_buffer_cached(buffer); struct scatterlist *sg; int i; - /* - * uncached pages come from the page pools, zero them before returning - * for security purposes (other allocations are zerod at - * alloc time - */ - if (!cached && !(buffer->private_flags & ION_PRIV_FLAG_SHRINKER_FREE)) + /* zero the buffer before goto page pool */ + if (!(buffer->private_flags & ION_PRIV_FLAG_SHRINKER_FREE)) ion_heap_buffer_zero(buffer); for_each_sg(table->sgl, sg, table->nents, i) @@ -199,20 +204,11 @@ static void ion_system_heap_free(struct ion_buffer *buffer) kfree(table); } -static struct sg_table *ion_system_heap_map_dma(struct ion_heap *heap, - struct ion_buffer *buffer) -{ - return buffer->priv_virt; -} - -static void ion_system_heap_unmap_dma(struct ion_heap *heap, - struct ion_buffer *buffer) -{ -} - static int ion_system_heap_shrink(struct ion_heap *heap, gfp_t gfp_mask, - int nr_to_scan) + int nr_to_scan) { + struct ion_page_pool *uncached_pool; + struct ion_page_pool *cached_pool; struct ion_system_heap *sys_heap; int nr_total = 0; int i, nr_freed; @@ -223,28 +219,41 @@ static int ion_system_heap_shrink(struct ion_heap *heap, gfp_t gfp_mask, if (!nr_to_scan) only_scan = 1; - for (i = 0; i < num_orders; i++) { - struct ion_page_pool *pool = sys_heap->pools[i]; - - nr_freed = ion_page_pool_shrink(pool, gfp_mask, nr_to_scan); - nr_total += nr_freed; - - if (!only_scan) { + for (i = 0; i < NUM_ORDERS; i++) { + uncached_pool = sys_heap->uncached_pools[i]; + cached_pool = sys_heap->cached_pools[i]; + + if (only_scan) { + nr_total += ion_page_pool_shrink(uncached_pool, + gfp_mask, + nr_to_scan); + + nr_total += ion_page_pool_shrink(cached_pool, + gfp_mask, + nr_to_scan); + } else { + nr_freed = ion_page_pool_shrink(uncached_pool, + gfp_mask, + nr_to_scan); + nr_to_scan -= nr_freed; + nr_total += nr_freed; + if (nr_to_scan <= 0) + break; + nr_freed = ion_page_pool_shrink(cached_pool, + gfp_mask, + nr_to_scan); nr_to_scan -= nr_freed; - /* shrink completed */ + nr_total += nr_freed; if (nr_to_scan <= 0) break; } } - return nr_total; } static struct ion_heap_ops system_heap_ops = { .allocate = ion_system_heap_allocate, .free = ion_system_heap_free, - .map_dma = ion_system_heap_map_dma, - .unmap_dma = ion_system_heap_unmap_dma, .map_kernel = ion_heap_map_kernel, .unmap_kernel = ion_heap_unmap_kernel, .map_user = ion_heap_map_user, @@ -259,52 +268,89 @@ static int ion_system_heap_debug_show(struct ion_heap *heap, struct seq_file *s, struct ion_system_heap, heap); int i; + struct ion_page_pool *pool; + + for (i = 0; i < NUM_ORDERS; i++) { + pool = sys_heap->uncached_pools[i]; + + seq_printf(s, "%d order %u highmem pages uncached %lu total\n", + pool->high_count, pool->order, + (PAGE_SIZE << pool->order) * pool->high_count); + seq_printf(s, "%d order %u lowmem pages uncached %lu total\n", + pool->low_count, pool->order, + (PAGE_SIZE << pool->order) * pool->low_count); + } - for (i = 0; i < num_orders; i++) { - struct ion_page_pool *pool = sys_heap->pools[i]; + for (i = 0; i < NUM_ORDERS; i++) { + pool = sys_heap->cached_pools[i]; - seq_printf(s, "%d order %u highmem pages in pool = %lu total\n", + seq_printf(s, "%d order %u highmem pages cached %lu total\n", pool->high_count, pool->order, (PAGE_SIZE << pool->order) * pool->high_count); - seq_printf(s, "%d order %u lowmem pages in pool = %lu total\n", + seq_printf(s, "%d order %u lowmem pages cached %lu total\n", pool->low_count, pool->order, (PAGE_SIZE << pool->order) * pool->low_count); } return 0; } +static void ion_system_heap_destroy_pools(struct ion_page_pool **pools) +{ + int i; + + for (i = 0; i < NUM_ORDERS; i++) + if (pools[i]) + ion_page_pool_destroy(pools[i]); +} + +static int ion_system_heap_create_pools(struct ion_page_pool **pools, + bool cached) +{ + int i; + gfp_t gfp_flags = low_order_gfp_flags; + + for (i = 0; i < NUM_ORDERS; i++) { + struct ion_page_pool *pool; + + if (orders[i] > 4) + gfp_flags = high_order_gfp_flags; + + pool = ion_page_pool_create(gfp_flags, orders[i], cached); + if (!pool) + goto err_create_pool; + pools[i] = pool; + } + return 0; + +err_create_pool: + ion_system_heap_destroy_pools(pools); + return -ENOMEM; +} + struct ion_heap *ion_system_heap_create(struct ion_platform_heap *unused) { struct ion_system_heap *heap; - int i; - heap = kzalloc(sizeof(struct ion_system_heap) + - sizeof(struct ion_page_pool *) * num_orders, - GFP_KERNEL); + heap = kzalloc(sizeof(*heap), GFP_KERNEL); if (!heap) return ERR_PTR(-ENOMEM); heap->heap.ops = &system_heap_ops; heap->heap.type = ION_HEAP_TYPE_SYSTEM; heap->heap.flags = ION_HEAP_FLAG_DEFER_FREE; - for (i = 0; i < num_orders; i++) { - struct ion_page_pool *pool; - gfp_t gfp_flags = low_order_gfp_flags; + if (ion_system_heap_create_pools(heap->uncached_pools, false)) + goto free_heap; - if (orders[i] > 4) - gfp_flags = high_order_gfp_flags; - pool = ion_page_pool_create(gfp_flags, orders[i]); - if (!pool) - goto destroy_pools; - heap->pools[i] = pool; - } + if (ion_system_heap_create_pools(heap->cached_pools, true)) + goto destroy_uncached_pools; heap->heap.debug_show = ion_system_heap_debug_show; return &heap->heap; -destroy_pools: - while (i--) - ion_page_pool_destroy(heap->pools[i]); +destroy_uncached_pools: + ion_system_heap_destroy_pools(heap->uncached_pools); + +free_heap: kfree(heap); return ERR_PTR(-ENOMEM); } @@ -316,8 +362,10 @@ void ion_system_heap_destroy(struct ion_heap *heap) heap); int i; - for (i = 0; i < num_orders; i++) - ion_page_pool_destroy(sys_heap->pools[i]); + for (i = 0; i < NUM_ORDERS; i++) { + ion_page_pool_destroy(sys_heap->uncached_pools[i]); + ion_page_pool_destroy(sys_heap->cached_pools[i]); + } kfree(sys_heap); } @@ -358,7 +406,7 @@ static int ion_system_contig_heap_allocate(struct ion_heap *heap, sg_set_page(table->sgl, page, len, 0); - buffer->priv_virt = table; + buffer->sg_table = table; ion_pages_sync_for_device(NULL, page, len, DMA_BIDIRECTIONAL); @@ -375,7 +423,7 @@ free_pages: static void ion_system_contig_heap_free(struct ion_buffer *buffer) { - struct sg_table *table = buffer->priv_virt; + struct sg_table *table = buffer->sg_table; struct page *page = sg_page(table->sgl); unsigned long pages = PAGE_ALIGN(buffer->size) >> PAGE_SHIFT; unsigned long i; @@ -386,34 +434,9 @@ static void ion_system_contig_heap_free(struct ion_buffer *buffer) kfree(table); } -static int ion_system_contig_heap_phys(struct ion_heap *heap, - struct ion_buffer *buffer, - ion_phys_addr_t *addr, size_t *len) -{ - struct sg_table *table = buffer->priv_virt; - struct page *page = sg_page(table->sgl); - *addr = page_to_phys(page); - *len = buffer->size; - return 0; -} - -static struct sg_table *ion_system_contig_heap_map_dma(struct ion_heap *heap, - struct ion_buffer *buffer) -{ - return buffer->priv_virt; -} - -static void ion_system_contig_heap_unmap_dma(struct ion_heap *heap, - struct ion_buffer *buffer) -{ -} - static struct ion_heap_ops kmalloc_ops = { .allocate = ion_system_contig_heap_allocate, .free = ion_system_contig_heap_free, - .phys = ion_system_contig_heap_phys, - .map_dma = ion_system_contig_heap_map_dma, - .unmap_dma = ion_system_contig_heap_unmap_dma, .map_kernel = ion_heap_map_kernel, .unmap_kernel = ion_heap_unmap_kernel, .map_user = ion_heap_map_user, diff --git a/drivers/staging/android/ion/ion_test.c b/drivers/staging/android/ion/ion_test.c index 5a396a1a8238..5abf8320a96a 100644 --- a/drivers/staging/android/ion/ion_test.c +++ b/drivers/staging/android/ion/ion_test.c @@ -42,7 +42,8 @@ struct ion_test_data { }; static int ion_handle_test_dma(struct device *dev, struct dma_buf *dma_buf, - void __user *ptr, size_t offset, size_t size, bool write) + void __user *ptr, size_t offset, size_t size, + bool write) { int ret = 0; struct dma_buf_attachment *attach; @@ -98,7 +99,7 @@ err: } static int ion_handle_test_kernel(struct dma_buf *dma_buf, void __user *ptr, - size_t offset, size_t size, bool write) + size_t offset, size_t size, bool write) { int ret; unsigned long page_offset = offset >> PAGE_SHIFT; @@ -144,7 +145,7 @@ err: } static long ion_test_ioctl(struct file *filp, unsigned int cmd, - unsigned long arg) + unsigned long arg) { struct ion_test_data *test_data = filp->private_data; int ret = 0; @@ -179,17 +180,19 @@ static long ion_test_ioctl(struct file *filp, unsigned int cmd, case ION_IOC_TEST_DMA_MAPPING: { ret = ion_handle_test_dma(test_data->dev, test_data->dma_buf, - u64_to_uptr(data.test_rw.ptr), - data.test_rw.offset, data.test_rw.size, - data.test_rw.write); + u64_to_uptr(data.test_rw.ptr), + data.test_rw.offset, + data.test_rw.size, + data.test_rw.write); break; } case ION_IOC_TEST_KERNEL_MAPPING: { ret = ion_handle_test_kernel(test_data->dma_buf, - u64_to_uptr(data.test_rw.ptr), - data.test_rw.offset, data.test_rw.size, - data.test_rw.write); + u64_to_uptr(data.test_rw.ptr), + data.test_rw.offset, + data.test_rw.size, + data.test_rw.write); break; } default: @@ -242,7 +245,7 @@ static int __init ion_test_probe(struct platform_device *pdev) struct ion_test_device *testdev; testdev = devm_kzalloc(&pdev->dev, sizeof(struct ion_test_device), - GFP_KERNEL); + GFP_KERNEL); if (!testdev) return -ENOMEM; diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c index 45a1b4ec4ca3..80d7adf439c7 100644 --- a/drivers/staging/android/lowmemorykiller.c +++ b/drivers/staging/android/lowmemorykiller.c @@ -92,8 +92,8 @@ static unsigned long lowmem_scan(struct shrinker *s, struct shrink_control *sc) int array_size = ARRAY_SIZE(lowmem_adj); int other_free = global_page_state(NR_FREE_PAGES) - totalreserve_pages; int other_file = global_node_page_state(NR_FILE_PAGES) - - global_node_page_state(NR_SHMEM) - - total_swapcache_pages(); + global_node_page_state(NR_SHMEM) - + total_swapcache_pages(); if (lowmem_adj_size < array_size) array_size = lowmem_adj_size; diff --git a/drivers/staging/android/uapi/ion.h b/drivers/staging/android/uapi/ion.h index 0a8e40f92cd7..a9c4e8b04be0 100644 --- a/drivers/staging/android/uapi/ion.h +++ b/drivers/staging/android/uapi/ion.h @@ -44,14 +44,8 @@ enum ion_heap_type { * must be last so device specific heaps always * are at the end of this enum */ - ION_NUM_HEAPS = 16, }; -#define ION_HEAP_SYSTEM_MASK (1 << ION_HEAP_TYPE_SYSTEM) -#define ION_HEAP_SYSTEM_CONTIG_MASK (1 << ION_HEAP_TYPE_SYSTEM_CONTIG) -#define ION_HEAP_CARVEOUT_MASK (1 << ION_HEAP_TYPE_CARVEOUT) -#define ION_HEAP_TYPE_DMA_MASK (1 << ION_HEAP_TYPE_DMA) - #define ION_NUM_HEAP_IDS (sizeof(unsigned int) * 8) /** diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c deleted file mode 100644 index 375707497896..000000000000 --- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c +++ /dev/null @@ -1,141 +0,0 @@ -/* Watchdog Related Defines */ - -#define ADDIDATA_TIMER 0 -#define ADDIDATA_WATCHDOG 2 - -/* - * (*insn_config) for the timer subdevice - * - * Configures The Timer, Counter or Watchdog - * Data Pointer contains configuration parameters as below - * data[0] : 0 Configure As Timer - * 1 Configure As Counter - * 2 Configure As Watchdog - * data[1] : 1 Enable Interrupt - * 0 Disable Interrupt - * data[2] : Time Unit - * data[3] : Reload Value - */ -static int apci3501_config_insn_timer(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - struct apci3501_private *devpriv = dev->private; - unsigned int ctrl; - - if (data[0] != ADDIDATA_WATCHDOG && - data[0] != ADDIDATA_TIMER) - return -EINVAL; - - devpriv->tsk_Current = current; - - devpriv->timer_mode = data[0]; - - /* first, disable the watchdog or stop the timer */ - if (devpriv->timer_mode == ADDIDATA_WATCHDOG) { - ctrl = 0; - } else { - ctrl = inl(devpriv->tcw + ADDI_TCW_CTRL_REG); - ctrl &= ~(ADDI_TCW_CTRL_GATE | ADDI_TCW_CTRL_TRIG | - ADDI_TCW_CTRL_ENA); - } - outl(ctrl, devpriv->tcw + ADDI_TCW_CTRL_REG); - - /* enable/disable the timer interrupt */ - ctrl = (data[1] == 1) ? ADDI_TCW_CTRL_IRQ_ENA : 0; - outl(ctrl, devpriv->tcw + ADDI_TCW_CTRL_REG); - - outl(data[2], devpriv->tcw + ADDI_TCW_TIMEBASE_REG); - outl(data[3], devpriv->tcw + ADDI_TCW_RELOAD_REG); - - ctrl = inl(devpriv->tcw + ADDI_TCW_CTRL_REG); - if (devpriv->timer_mode == ADDIDATA_WATCHDOG) { - /* Set the mode (e2->e0) NOTE: this doesn't look correct */ - ctrl |= ~(ADDI_TCW_CTRL_CNT_UP | ADDI_TCW_CTRL_EXT_CLK_MASK | - ADDI_TCW_CTRL_MODE_MASK | ADDI_TCW_CTRL_GATE | - ADDI_TCW_CTRL_TRIG | ADDI_TCW_CTRL_TIMER_ENA | - ADDI_TCW_CTRL_RESET_ENA | ADDI_TCW_CTRL_WARN_ENA | - ADDI_TCW_CTRL_IRQ_ENA | ADDI_TCW_CTRL_ENA); - } else { - /* mode 2 */ - ctrl &= ~(ADDI_TCW_CTRL_CNTR_ENA | ADDI_TCW_CTRL_MODE_MASK | - ADDI_TCW_CTRL_GATE | ADDI_TCW_CTRL_TRIG | - ADDI_TCW_CTRL_TIMER_ENA | ADDI_TCW_CTRL_RESET_ENA | - ADDI_TCW_CTRL_WARN_ENA | ADDI_TCW_CTRL_ENA); - ctrl |= ADDI_TCW_CTRL_MODE(2) | ADDI_TCW_CTRL_TIMER_ENA; - } - outl(ctrl, devpriv->tcw + ADDI_TCW_CTRL_REG); - - return insn->n; -} - -/* - * (*insn_write) for the timer subdevice - * - * Start / Stop The Selected Timer , Counter or Watchdog - * Data Pointer contains configuration parameters as below - * data[0] : 0 Timer - * 1 Counter - * 2 Watchdog - * data[1] : 1 Start - * 0 Stop - * 2 Trigger - */ -static int apci3501_write_insn_timer(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - struct apci3501_private *devpriv = dev->private; - unsigned int ctrl; - - if (devpriv->timer_mode == ADDIDATA_WATCHDOG || - devpriv->timer_mode == ADDIDATA_TIMER) { - ctrl = inl(devpriv->tcw + ADDI_TCW_CTRL_REG); - ctrl &= ~(ADDI_TCW_CTRL_GATE | ADDI_TCW_CTRL_TRIG); - - if (data[1] == 1) { /* enable */ - ctrl |= ADDI_TCW_CTRL_ENA; - } else if (data[1] == 0) { /* stop */ - if (devpriv->timer_mode == ADDIDATA_WATCHDOG) - ctrl = 0; - else - ctrl &= ~ADDI_TCW_CTRL_ENA; - } else if (data[1] == 2) { /* trigger */ - ctrl |= ADDI_TCW_CTRL_TRIG; - } - outl(ctrl, devpriv->tcw + ADDI_TCW_CTRL_REG); - } - - inl(devpriv->tcw + ADDI_TCW_STATUS_REG); - return insn->n; -} - -/* - * (*insn_read) for the timer subdevice - * - * Read The Selected Timer, Counter or Watchdog - * Data Pointer contains configuration parameters as below - * data[0] : 0 Timer - * 1 Counter - * 2 Watchdog - * data[1] : Timer Counter Watchdog Number - */ -static int apci3501_read_insn_timer(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - struct apci3501_private *devpriv = dev->private; - - if (devpriv->timer_mode != ADDIDATA_TIMER && - devpriv->timer_mode != ADDIDATA_WATCHDOG) - return -EINVAL; - - data[0] = inl(devpriv->tcw + ADDI_TCW_STATUS_REG) & - ADDI_TCW_STATUS_OVERFLOW; - data[1] = inl(devpriv->tcw + ADDI_TCW_VAL_REG); - - return insn->n; -} diff --git a/drivers/staging/comedi/drivers/addi_apci_3501.c b/drivers/staging/comedi/drivers/addi_apci_3501.c index 40ff91411139..57f0f46de0be 100644 --- a/drivers/staging/comedi/drivers/addi_apci_3501.c +++ b/drivers/staging/comedi/drivers/addi_apci_3501.c @@ -22,12 +22,36 @@ * more details. */ +/* + * Driver: addi_apci_3501 + * Description: ADDI-DATA APCI-3501 Analog output board + * Devices: [ADDI-DATA] APCI-3501 (addi_apci_3501) + * Author: H Hartley Sweeten <hsweeten@visionengravers.com> + * Updated: Mon, 20 Jun 2016 10:57:01 -0700 + * Status: untested + * + * Configuration Options: not applicable, uses comedi PCI auto config + * + * This board has the following features: + * - 4 or 8 analog output channels + * - 2 optically isolated digital inputs + * - 2 optically isolated digital outputs + * - 1 12-bit watchdog/timer + * + * There are 2 versions of the APCI-3501: + * - APCI-3501-4 4 analog output channels + * - APCI-3501-8 8 analog output channels + * + * These boards use the same PCI Vendor/Device IDs. The number of output + * channels used by this driver is determined by reading the EEPROM on + * the board. + * + * The watchdog/timer subdevice is not currently supported. + */ + #include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/sched.h> #include "../comedi_pci.h" -#include "addi_tcw.h" #include "amcc_s5933.h" /* @@ -67,8 +91,6 @@ struct apci3501_private { unsigned long amcc; - unsigned long tcw; - struct task_struct *tsk_Current; unsigned char timer_mode; }; @@ -139,8 +161,6 @@ static int apci3501_ao_insn_write(struct comedi_device *dev, return insn->n; } -#include "addi-data/hwdrv_apci3501.c" - static int apci3501_di_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, @@ -253,37 +273,6 @@ static int apci3501_eeprom_insn_read(struct comedi_device *dev, return insn->n; } -static irqreturn_t apci3501_interrupt(int irq, void *d) -{ - struct comedi_device *dev = d; - struct apci3501_private *devpriv = dev->private; - unsigned int status; - unsigned int ctrl; - - /* Disable Interrupt */ - ctrl = inl(devpriv->tcw + ADDI_TCW_CTRL_REG); - ctrl &= ~(ADDI_TCW_CTRL_GATE | ADDI_TCW_CTRL_TRIG | - ADDI_TCW_CTRL_IRQ_ENA); - outl(ctrl, devpriv->tcw + ADDI_TCW_CTRL_REG); - - status = inl(devpriv->tcw + ADDI_TCW_IRQ_REG); - if (!(status & ADDI_TCW_IRQ)) { - dev_err(dev->class_dev, "IRQ from unknown source\n"); - return IRQ_NONE; - } - - /* Enable Interrupt Send a signal to from kernel to user space */ - send_sig(SIGIO, devpriv->tsk_Current, 0); - ctrl = inl(devpriv->tcw + ADDI_TCW_CTRL_REG); - ctrl &= ~(ADDI_TCW_CTRL_GATE | ADDI_TCW_CTRL_TRIG | - ADDI_TCW_CTRL_IRQ_ENA); - ctrl |= ADDI_TCW_CTRL_IRQ_ENA; - outl(ctrl, devpriv->tcw + ADDI_TCW_CTRL_REG); - inl(devpriv->tcw + ADDI_TCW_STATUS_REG); - - return IRQ_HANDLED; -} - static int apci3501_reset(struct comedi_device *dev) { unsigned int val; @@ -333,17 +322,9 @@ static int apci3501_auto_attach(struct comedi_device *dev, devpriv->amcc = pci_resource_start(pcidev, 0); dev->iobase = pci_resource_start(pcidev, 1); - devpriv->tcw = dev->iobase + APCI3501_TIMER_BASE; ao_n_chan = apci3501_eeprom_get_ao_n_chan(dev); - if (pcidev->irq > 0) { - ret = request_irq(pcidev->irq, apci3501_interrupt, IRQF_SHARED, - dev->board_name, dev); - if (ret == 0) - dev->irq = pcidev->irq; - } - ret = comedi_alloc_subdevices(dev, 5); if (ret) return ret; @@ -383,17 +364,9 @@ static int apci3501_auto_attach(struct comedi_device *dev, s->range_table = &range_digital; s->insn_bits = apci3501_do_insn_bits; - /* Initialize the timer/watchdog subdevice */ + /* Timer/Watchdog subdevice */ s = &dev->subdevices[3]; - s->type = COMEDI_SUBD_TIMER; - s->subdev_flags = SDF_WRITABLE; - s->n_chan = 1; - s->maxdata = 0; - s->len_chanlist = 1; - s->range_table = &range_digital; - s->insn_write = apci3501_write_insn_timer; - s->insn_read = apci3501_read_insn_timer; - s->insn_config = apci3501_config_insn_timer; + s->type = COMEDI_SUBD_UNUSED; /* Initialize the eeprom subdevice */ s = &dev->subdevices[4]; diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c index 1f9c08a845b6..cb9c2699277e 100644 --- a/drivers/staging/comedi/drivers/cb_pcidas64.c +++ b/drivers/staging/comedi/drivers/cb_pcidas64.c @@ -1,34 +1,34 @@ /* - comedi/drivers/cb_pcidas64.c - This is a driver for the ComputerBoards/MeasurementComputing PCI-DAS - 64xx, 60xx, and 4020 cards. - - Author: Frank Mori Hess <fmhess@users.sourceforge.net> - Copyright (C) 2001, 2002 Frank Mori Hess - - Thanks also go to the following people: - - Steve Rosenbluth, for providing the source code for - his pci-das6402 driver, and source code for working QNX pci-6402 - drivers by Greg Laird and Mariusz Bogacz. None of the code was - used directly here, but it was useful as an additional source of - documentation on how to program the boards. - - John Sims, for much testing and feedback on pcidas-4020 support. - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 1997-8 David A. Schleef <ds@schleef.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. -*/ + * comedi/drivers/cb_pcidas64.c + * This is a driver for the ComputerBoards/MeasurementComputing PCI-DAS + * 64xx, 60xx, and 4020 cards. + * + * Author: Frank Mori Hess <fmhess@users.sourceforge.net> + * Copyright (C) 2001, 2002 Frank Mori Hess + * + * Thanks also go to the following people: + * + * Steve Rosenbluth, for providing the source code for + * his pci-das6402 driver, and source code for working QNX pci-6402 + * drivers by Greg Laird and Mariusz Bogacz. None of the code was + * used directly here, but it was useful as an additional source of + * documentation on how to program the boards. + * + * John Sims, for much testing and feedback on pcidas-4020 support. + * + * COMEDI - Linux Control and Measurement Device Interface + * Copyright (C) 1997-8 David A. Schleef <ds@schleef.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ /* * Driver: cb_pcidas64 @@ -66,19 +66,18 @@ */ /* - -TODO: - make it return error if user attempts an ai command that uses the - external queue, and an ao command simultaneously user counter subdevice - there are a number of boards this driver will support when they are - fully released, but does not yet since the pci device id numbers - are not yet available. - - support prescaled 100khz clock for slow pacing (not available on 6000 - series?) - - make ao fifo size adjustable like ai fifo -*/ + * TODO: + * make it return error if user attempts an ai command that uses the + * external queue, and an ao command simultaneously user counter subdevice + * there are a number of boards this driver will support when they are + * fully released, but does not yet since the pci device id numbers + * are not yet available. + * + * support prescaled 100khz clock for slow pacing (not available on 6000 + * series?) + * + * make ao fifo size adjustable like ai fifo + */ #include <linux/module.h> #include <linux/delay.h> @@ -90,53 +89,56 @@ TODO: #include "plx9080.h" #define TIMER_BASE 25 /* 40MHz master clock */ -/* 100kHz 'prescaled' clock for slow acquisition, - * maybe I'll support this someday */ +/* + * 100kHz 'prescaled' clock for slow acquisition, + * maybe I'll support this someday + */ #define PRESCALED_TIMER_BASE 10000 -#define DMA_BUFFER_SIZE 0x1000 +#define DMA_BUFFER_SIZE 0x1000 +#define DAC_FIFO_SIZE 0x2000 -/* maximum value that can be loaded into board's 24-bit counters*/ +/* maximum value that can be loaded into board's 24-bit counters */ static const int max_counter_value = 0xffffff; /* PCI-DAS64xxx base addresses */ /* devpriv->main_iobase registers */ enum write_only_registers { - INTR_ENABLE_REG = 0x0, /* interrupt enable register */ - HW_CONFIG_REG = 0x2, /* hardware config register */ + INTR_ENABLE_REG = 0x0, /* interrupt enable register */ + HW_CONFIG_REG = 0x2, /* hardware config register */ DAQ_SYNC_REG = 0xc, DAQ_ATRIG_LOW_4020_REG = 0xc, - ADC_CONTROL0_REG = 0x10, /* adc control register 0 */ - ADC_CONTROL1_REG = 0x12, /* adc control register 1 */ + ADC_CONTROL0_REG = 0x10, /* adc control register 0 */ + ADC_CONTROL1_REG = 0x12, /* adc control register 1 */ CALIBRATION_REG = 0x14, - /* lower 16 bits of adc sample interval counter */ + /* lower 16 bits of adc sample interval counter */ ADC_SAMPLE_INTERVAL_LOWER_REG = 0x16, - /* upper 8 bits of adc sample interval counter */ + /* upper 8 bits of adc sample interval counter */ ADC_SAMPLE_INTERVAL_UPPER_REG = 0x18, - /* lower 16 bits of delay interval counter */ + /* lower 16 bits of delay interval counter */ ADC_DELAY_INTERVAL_LOWER_REG = 0x1a, - /* upper 8 bits of delay interval counter */ + /* upper 8 bits of delay interval counter */ ADC_DELAY_INTERVAL_UPPER_REG = 0x1c, - /* lower 16 bits of hardware conversion/scan counter */ + /* lower 16 bits of hardware conversion/scan counter */ ADC_COUNT_LOWER_REG = 0x1e, - /* upper 8 bits of hardware conversion/scan counter */ + /* upper 8 bits of hardware conversion/scan counter */ ADC_COUNT_UPPER_REG = 0x20, - ADC_START_REG = 0x22, /* software trigger to start acquisition */ - ADC_CONVERT_REG = 0x24, /* initiates single conversion */ - ADC_QUEUE_CLEAR_REG = 0x26, /* clears adc queue */ - ADC_QUEUE_LOAD_REG = 0x28, /* loads adc queue */ + ADC_START_REG = 0x22, /* software trigger to start acquisition */ + ADC_CONVERT_REG = 0x24, /* initiates single conversion */ + ADC_QUEUE_CLEAR_REG = 0x26, /* clears adc queue */ + ADC_QUEUE_LOAD_REG = 0x28, /* loads adc queue */ ADC_BUFFER_CLEAR_REG = 0x2a, - /* high channel for internal queue, use adc_chan_bits() inline above */ + /* high channel for internal queue, use adc_chan_bits() inline above */ ADC_QUEUE_HIGH_REG = 0x2c, - DAC_CONTROL0_REG = 0x50, /* dac control register 0 */ - DAC_CONTROL1_REG = 0x52, /* dac control register 0 */ - /* lower 16 bits of dac sample interval counter */ + DAC_CONTROL0_REG = 0x50, /* dac control register 0 */ + DAC_CONTROL1_REG = 0x52, /* dac control register 0 */ + /* lower 16 bits of dac sample interval counter */ DAC_SAMPLE_INTERVAL_LOWER_REG = 0x54, - /* upper 8 bits of dac sample interval counter */ + /* upper 8 bits of dac sample interval counter */ DAC_SAMPLE_INTERVAL_UPPER_REG = 0x56, DAC_SELECT_REG = 0x60, DAC_START_REG = 0x64, - DAC_BUFFER_CLEAR_REG = 0x66, /* clear dac buffer */ + DAC_BUFFER_CLEAR_REG = 0x66, /* clear dac buffer */ }; static inline unsigned int dac_convert_reg(unsigned int channel) @@ -168,8 +170,8 @@ enum read_only_registers { }; enum read_write_registers { - I8255_4020_REG = 0x48, /* 8255 offset, for 4020 only */ - /* external channel/gain queue, uses same bits as ADC_QUEUE_LOAD_REG */ + I8255_4020_REG = 0x48, /* 8255 offset, for 4020 only */ + /* external channel/gain queue, uses same bits as ADC_QUEUE_LOAD_REG */ ADC_QUEUE_FIFO_REG = 0x100, ADC_FIFO_REG = 0x200, /* adc data fifo */ /* dac data fifo, has weird interactions with external channel queue */ @@ -188,50 +190,51 @@ enum dio_counter_registers { /* bit definitions for write-only registers */ enum intr_enable_contents { - ADC_INTR_SRC_MASK = 0x3, /* adc interrupt source mask */ - ADC_INTR_QFULL_BITS = 0x0, /* interrupt fifo quarter full */ - ADC_INTR_EOC_BITS = 0x1, /* interrupt end of conversion */ - ADC_INTR_EOSCAN_BITS = 0x2, /* interrupt end of scan */ - ADC_INTR_EOSEQ_BITS = 0x3, /* interrupt end of sequence mask */ - EN_ADC_INTR_SRC_BIT = 0x4, /* enable adc interrupt source */ - EN_ADC_DONE_INTR_BIT = 0x8, /* enable adc acquisition done intr */ + ADC_INTR_SRC_MASK = 0x3, /* adc interrupt source mask */ + ADC_INTR_QFULL_BITS = 0x0, /* interrupt fifo quarter full */ + ADC_INTR_EOC_BITS = 0x1, /* interrupt end of conversion */ + ADC_INTR_EOSCAN_BITS = 0x2, /* interrupt end of scan */ + ADC_INTR_EOSEQ_BITS = 0x3, /* interrupt end of sequence mask */ + EN_ADC_INTR_SRC_BIT = 0x4, /* enable adc interrupt source */ + EN_ADC_DONE_INTR_BIT = 0x8, /* enable adc acquisition done intr */ DAC_INTR_SRC_MASK = 0x30, DAC_INTR_QEMPTY_BITS = 0x0, DAC_INTR_HIGH_CHAN_BITS = 0x10, - EN_DAC_INTR_SRC_BIT = 0x40, /* enable dac interrupt source */ + EN_DAC_INTR_SRC_BIT = 0x40, /* enable dac interrupt source */ EN_DAC_DONE_INTR_BIT = 0x80, - EN_ADC_ACTIVE_INTR_BIT = 0x200, /* enable adc active interrupt */ - EN_ADC_STOP_INTR_BIT = 0x400, /* enable adc stop trigger interrupt */ - EN_DAC_ACTIVE_INTR_BIT = 0x800, /* enable dac active interrupt */ - EN_DAC_UNDERRUN_BIT = 0x4000, /* enable dac underrun status bit */ - EN_ADC_OVERRUN_BIT = 0x8000, /* enable adc overrun status bit */ + EN_ADC_ACTIVE_INTR_BIT = 0x200, /* enable adc active interrupt */ + EN_ADC_STOP_INTR_BIT = 0x400, /* enable adc stop trigger interrupt */ + EN_DAC_ACTIVE_INTR_BIT = 0x800, /* enable dac active interrupt */ + EN_DAC_UNDERRUN_BIT = 0x4000, /* enable dac underrun status bit */ + EN_ADC_OVERRUN_BIT = 0x8000, /* enable adc overrun status bit */ }; enum hw_config_contents { - MASTER_CLOCK_4020_MASK = 0x3, /* master clock source mask for 4020 */ - INTERNAL_CLOCK_4020_BITS = 0x1, /* use 40 MHz internal master clock */ - BNC_CLOCK_4020_BITS = 0x2, /* use BNC input for master clock */ - EXT_CLOCK_4020_BITS = 0x3, /* use dio input for master clock */ - EXT_QUEUE_BIT = 0x200, /* use external channel/gain queue */ - /* use 225 nanosec strobe when loading dac instead of 50 nanosec */ + MASTER_CLOCK_4020_MASK = 0x3, /* master clock source mask for 4020 */ + INTERNAL_CLOCK_4020_BITS = 0x1, /* use 40 MHz internal master clock */ + BNC_CLOCK_4020_BITS = 0x2, /* use BNC input for master clock */ + EXT_CLOCK_4020_BITS = 0x3, /* use dio input for master clock */ + EXT_QUEUE_BIT = 0x200, /* use external channel/gain queue */ + /* use 225 nanosec strobe when loading dac instead of 50 nanosec */ SLOW_DAC_BIT = 0x400, - /* bit with unknown function yet given as default value in pci-das64 - * manual */ + /* + * bit with unknown function yet given as default value in pci-das64 + * manual + */ HW_CONFIG_DUMMY_BITS = 0x2000, - /* bit selects channels 1/0 for analog input/output, otherwise 0/1 */ + /* bit selects channels 1/0 for analog input/output, otherwise 0/1 */ DMA_CH_SELECT_BIT = 0x8000, - FIFO_SIZE_REG = 0x4, /* allows adjustment of fifo sizes */ - DAC_FIFO_SIZE_MASK = 0xff00, /* bits that set dac fifo size */ - DAC_FIFO_BITS = 0xf800, /* 8k sample ao fifo */ + FIFO_SIZE_REG = 0x4, /* allows adjustment of fifo sizes */ + DAC_FIFO_SIZE_MASK = 0xff00, /* bits that set dac fifo size */ + DAC_FIFO_BITS = 0xf800, /* 8k sample ao fifo */ }; -#define DAC_FIFO_SIZE 0x2000 enum daq_atrig_low_4020_contents { - /* use trig/ext clk bnc input for analog gate signal */ + /* use trig/ext clk bnc input for analog gate signal */ EXT_AGATE_BNC_BIT = 0x8000, - /* use trig/ext clk bnc input for external stop trigger signal */ + /* use trig/ext clk bnc input for external stop trigger signal */ EXT_STOP_TRIG_BNC_BIT = 0x4000, - /* use trig/ext clk bnc input for external start trigger signal */ + /* use trig/ext clk bnc input for external start trigger signal */ EXT_START_TRIG_BNC_BIT = 0x2000, }; @@ -241,38 +244,38 @@ static inline uint16_t analog_trig_low_threshold_bits(uint16_t threshold) } enum adc_control0_contents { - ADC_GATE_SRC_MASK = 0x3, /* bits that select gate */ - ADC_SOFT_GATE_BITS = 0x1, /* software gate */ - ADC_EXT_GATE_BITS = 0x2, /* external digital gate */ - ADC_ANALOG_GATE_BITS = 0x3, /* analog level gate */ - /* level-sensitive gate (for digital) */ + ADC_GATE_SRC_MASK = 0x3, /* bits that select gate */ + ADC_SOFT_GATE_BITS = 0x1, /* software gate */ + ADC_EXT_GATE_BITS = 0x2, /* external digital gate */ + ADC_ANALOG_GATE_BITS = 0x3, /* analog level gate */ + /* level-sensitive gate (for digital) */ ADC_GATE_LEVEL_BIT = 0x4, - ADC_GATE_POLARITY_BIT = 0x8, /* gate active low */ + ADC_GATE_POLARITY_BIT = 0x8, /* gate active low */ ADC_START_TRIG_SOFT_BITS = 0x10, ADC_START_TRIG_EXT_BITS = 0x20, ADC_START_TRIG_ANALOG_BITS = 0x30, ADC_START_TRIG_MASK = 0x30, - ADC_START_TRIG_FALLING_BIT = 0x40, /* trig 1 uses falling edge */ - /* external pacing uses falling edge */ + ADC_START_TRIG_FALLING_BIT = 0x40, /* trig 1 uses falling edge */ + /* external pacing uses falling edge */ ADC_EXT_CONV_FALLING_BIT = 0x800, - /* enable hardware scan counter */ + /* enable hardware scan counter */ ADC_SAMPLE_COUNTER_EN_BIT = 0x1000, - ADC_DMA_DISABLE_BIT = 0x4000, /* disables dma */ - ADC_ENABLE_BIT = 0x8000, /* master adc enable */ + ADC_DMA_DISABLE_BIT = 0x4000, /* disables dma */ + ADC_ENABLE_BIT = 0x8000, /* master adc enable */ }; enum adc_control1_contents { - /* should be set for boards with > 16 channels */ + /* should be set for boards with > 16 channels */ ADC_QUEUE_CONFIG_BIT = 0x1, CONVERT_POLARITY_BIT = 0x10, EOC_POLARITY_BIT = 0x20, - ADC_SW_GATE_BIT = 0x40, /* software gate of adc */ - ADC_DITHER_BIT = 0x200, /* turn on extra noise for dithering */ + ADC_SW_GATE_BIT = 0x40, /* software gate of adc */ + ADC_DITHER_BIT = 0x200, /* turn on extra noise for dithering */ RETRIGGER_BIT = 0x800, ADC_LO_CHANNEL_4020_MASK = 0x300, ADC_HI_CHANNEL_4020_MASK = 0xc00, - TWO_CHANNEL_4020_BITS = 0x1000, /* two channel mode for 4020 */ - FOUR_CHANNEL_4020_BITS = 0x2000, /* four channel mode for 4020 */ + TWO_CHANNEL_4020_BITS = 0x1000, /* two channel mode for 4020 */ + FOUR_CHANNEL_4020_BITS = 0x2000, /* four channel mode for 4020 */ CHANNEL_MODE_4020_MASK = 0x3000, ADC_MODE_MASK = 0xf000, }; @@ -296,10 +299,10 @@ enum calibration_contents { SELECT_8800_BIT = 0x1, SELECT_8402_64XX_BIT = 0x2, SELECT_1590_60XX_BIT = 0x2, - CAL_EN_64XX_BIT = 0x40, /* calibration enable for 64xx series */ + CAL_EN_64XX_BIT = 0x40, /* calibration enable for 64xx series */ SERIAL_DATA_IN_BIT = 0x80, SERIAL_CLOCK_BIT = 0x100, - CAL_EN_60XX_BIT = 0x200, /* calibration enable for 60xx series */ + CAL_EN_60XX_BIT = 0x200, /* calibration enable for 60xx series */ CAL_GAIN_BIT = 0x800, }; @@ -326,12 +329,12 @@ static inline uint16_t adc_convert_chan_4020_bits(unsigned int channel) }; enum adc_queue_load_contents { - UNIP_BIT = 0x800, /* unipolar/bipolar bit */ - ADC_SE_DIFF_BIT = 0x1000, /* single-ended/ differential bit */ - /* non-referenced single-ended (common-mode input) */ + UNIP_BIT = 0x800, /* unipolar/bipolar bit */ + ADC_SE_DIFF_BIT = 0x1000, /* single-ended/ differential bit */ + /* non-referenced single-ended (common-mode input) */ ADC_COMMON_BIT = 0x2000, - QUEUE_EOSEQ_BIT = 0x4000, /* queue end of sequence */ - QUEUE_EOSCAN_BIT = 0x8000, /* queue end of scan */ + QUEUE_EOSEQ_BIT = 0x4000, /* queue end of sequence */ + QUEUE_EOSCAN_BIT = 0x8000, /* queue end of scan */ }; static inline uint16_t adc_chan_bits(unsigned int channel) @@ -340,7 +343,7 @@ static inline uint16_t adc_chan_bits(unsigned int channel) }; enum dac_control0_contents { - DAC_ENABLE_BIT = 0x8000, /* dac controller enable bit */ + DAC_ENABLE_BIT = 0x8000, /* dac controller enable bit */ DAC_CYCLIC_STOP_BIT = 0x4000, DAC_WAVEFORM_MODE_BIT = 0x100, DAC_EXT_UPDATE_FALLING_BIT = 0x80, @@ -360,7 +363,7 @@ enum dac_control1_contents { DAC_WRITE_POLARITY_BIT = 0x800, /* board-dependent setting */ DAC1_EXT_REF_BIT = 0x200, DAC0_EXT_REF_BIT = 0x100, - DAC_OUTPUT_ENABLE_BIT = 0x80, /* dac output enable bit */ + DAC_OUTPUT_ENABLE_BIT = 0x80, /* dac output enable bit */ DAC_UPDATE_POLARITY_BIT = 0x40, /* board-dependent setting */ DAC_SW_GATE_BIT = 0x20, DAC1_UNIPOLAR_BIT = 0x8, @@ -409,9 +412,9 @@ enum i2c_addresses { }; enum range_cal_i2c_contents { - /* bits that set what source the adc converter measures */ + /* bits that set what source the adc converter measures */ ADC_SRC_4020_MASK = 0x70, - /* make bnc trig/ext clock threshold 0V instead of 2.5V */ + /* make bnc trig/ext clock threshold 0V instead of 2.5V */ BNC_TRIG_THRESHOLD_0V_BIT = 0x80, }; @@ -422,7 +425,7 @@ static inline uint8_t adc_src_4020_bits(unsigned int source) static inline uint8_t attenuate_bit(unsigned int channel) { - /* attenuate channel (+-5V input range) */ + /* attenuate channel (+-5V input range) */ return 1 << (channel & 0x3); }; @@ -627,18 +630,18 @@ enum pcidas64_boardid { struct pcidas64_board { const char *name; - int ai_se_chans; /* number of ai inputs in single-ended mode */ - int ai_bits; /* analog input resolution */ - int ai_speed; /* fastest conversion period in ns */ + int ai_se_chans; /* number of ai inputs in single-ended mode */ + int ai_bits; /* analog input resolution */ + int ai_speed; /* fastest conversion period in ns */ const struct comedi_lrange *ai_range_table; const uint8_t *ai_range_code; - int ao_nchan; /* number of analog out channels */ - int ao_bits; /* analog output resolution */ - int ao_scan_speed; /* analog output scan speed */ + int ao_nchan; /* number of analog out channels */ + int ao_bits; /* analog output resolution */ + int ao_scan_speed; /* analog output scan speed */ const struct comedi_lrange *ao_range_table; const int *ao_range_code; const struct hw_fifo_info *const ai_fifo; - /* different board families have slightly different registers */ + /* different board families have slightly different registers */ enum register_layout layout; unsigned has_8255:1; }; @@ -699,7 +702,7 @@ static const struct pcidas64_board pcidas64_boards[] = { .has_8255 = 1, }, [BOARD_PCIDAS6402_12] = { - .name = "pci-das6402/12", /* XXX check */ + .name = "pci-das6402/12", /* XXX check */ .ai_se_chans = 64, .ai_bits = 12, .ai_speed = 5000, @@ -996,7 +999,7 @@ static const struct pcidas64_board pcidas64_boards[] = { .ai_speed = 50, .ao_bits = 12, .ao_nchan = 2, - .ao_scan_speed = 0, /* no hardware pacing on ao */ + .ao_scan_speed = 0, /* no hardware pacing on ao */ .layout = LAYOUT_4020, .ai_range_table = &ai_ranges_4020, .ao_range_table = &ao_ranges_4020, @@ -1005,9 +1008,7 @@ static const struct pcidas64_board pcidas64_boards[] = { .has_8255 = 1, }, #if 0 - /* - * The device id for these boards is unknown - */ + /* The device id for these boards is unknown */ [BOARD_PCIDAS6402_16_JR] = { .name = "pci-das6402/16/jr", @@ -1116,62 +1117,66 @@ static inline unsigned short se_diff_bit_6xxx(struct comedi_device *dev, } struct ext_clock_info { - /* master clock divisor to use for scans with external master clock */ + /* master clock divisor to use for scans with external master clock */ unsigned int divisor; - /* chanspec for master clock input when used as scan begin src */ + /* chanspec for master clock input when used as scan begin src */ unsigned int chanspec; }; /* this structure is for data unique to this hardware driver. */ struct pcidas64_private { - /* base addresses (physical) */ + /* base addresses (physical) */ resource_size_t main_phys_iobase; resource_size_t dio_counter_phys_iobase; - /* base addresses (ioremapped) */ + /* base addresses (ioremapped) */ void __iomem *plx9080_iobase; void __iomem *main_iobase; - /* local address (used by dma controller) */ + /* local address (used by dma controller) */ uint32_t local0_iobase; uint32_t local1_iobase; - /* dma buffers for analog input */ + /* dma buffers for analog input */ uint16_t *ai_buffer[MAX_AI_DMA_RING_COUNT]; - /* physical addresses of ai dma buffers */ + /* physical addresses of ai dma buffers */ dma_addr_t ai_buffer_bus_addr[MAX_AI_DMA_RING_COUNT]; - /* array of ai dma descriptors read by plx9080, - * allocated to get proper alignment */ + /* + * array of ai dma descriptors read by plx9080, + * allocated to get proper alignment + */ struct plx_dma_desc *ai_dma_desc; - /* physical address of ai dma descriptor array */ + /* physical address of ai dma descriptor array */ dma_addr_t ai_dma_desc_bus_addr; - /* index of the ai dma descriptor/buffer - * that is currently being used */ + /* + * index of the ai dma descriptor/buffer + * that is currently being used + */ unsigned int ai_dma_index; - /* dma buffers for analog output */ + /* dma buffers for analog output */ uint16_t *ao_buffer[AO_DMA_RING_COUNT]; - /* physical addresses of ao dma buffers */ + /* physical addresses of ao dma buffers */ dma_addr_t ao_buffer_bus_addr[AO_DMA_RING_COUNT]; struct plx_dma_desc *ao_dma_desc; dma_addr_t ao_dma_desc_bus_addr; - /* keeps track of buffer where the next ao sample should go */ + /* keeps track of buffer where the next ao sample should go */ unsigned int ao_dma_index; - unsigned int hw_revision; /* stc chip hardware revision number */ - /* last bits sent to INTR_ENABLE_REG register */ + unsigned int hw_revision; /* stc chip hardware revision number */ + /* last bits sent to INTR_ENABLE_REG register */ unsigned int intr_enable_bits; - /* last bits sent to ADC_CONTROL1_REG register */ + /* last bits sent to ADC_CONTROL1_REG register */ uint16_t adc_control1_bits; - /* last bits sent to FIFO_SIZE_REG register */ + /* last bits sent to FIFO_SIZE_REG register */ uint16_t fifo_size_bits; - /* last bits sent to HW_CONFIG_REG register */ + /* last bits sent to HW_CONFIG_REG register */ uint16_t hw_config_bits; uint16_t dac_control1_bits; - /* last bits written to plx9080 control register */ + /* last bits written to plx9080 control register */ uint32_t plx_control_bits; - /* last bits written to plx interrupt control and status register */ + /* last bits written to plx interrupt control and status register */ uint32_t plx_intcsr_bits; - /* index of calibration source readable through ai ch0 */ + /* index of calibration source readable through ai ch0 */ int calibration_source; - /* bits written to i2c calibration/range register */ + /* bits written to i2c calibration/range register */ uint8_t i2c_cal_range_bits; - /* configure digital triggers to trigger on falling edge */ + /* configure digital triggers to trigger on falling edge */ unsigned int ext_trig_falling; short ai_cmd_running; unsigned int ai_fifo_segment_length; @@ -1224,7 +1229,7 @@ static void abort_dma(struct comedi_device *dev, unsigned int channel) struct pcidas64_private *devpriv = dev->private; unsigned long flags; - /* spinlock for plx dma control/status reg */ + /* spinlock for plx dma control/status reg */ spin_lock_irqsave(&dev->spinlock, flags); plx9080_abort_dma(devpriv->plx9080_iobase, channel); @@ -1271,7 +1276,7 @@ static void enable_ai_interrupts(struct comedi_device *dev, * if CMDF_WAKE_EOS flag is set. */ if (cmd->flags & CMDF_WAKE_EOS) { - /* 4020 doesn't support pio transfers except for fifo dregs */ + /* 4020 doesn't support pio transfers except for fifo dregs */ if (board->layout != LAYOUT_4020) bits |= ADC_INTR_EOSCAN_BITS | EN_ADC_INTR_SRC_BIT; } @@ -1305,36 +1310,40 @@ static void init_plx9080(struct comedi_device *dev) abort_dma(dev, 0); abort_dma(dev, 1); - /* configure dma0 mode */ + /* configure dma0 mode */ bits = 0; - /* enable ready input, not sure if this is necessary */ + /* enable ready input, not sure if this is necessary */ bits |= PLX_DMAMODE_READYIEN; - /* enable bterm, not sure if this is necessary */ + /* enable bterm, not sure if this is necessary */ bits |= PLX_DMAMODE_BTERMIEN; - /* enable dma chaining */ + /* enable dma chaining */ bits |= PLX_DMAMODE_CHAINEN; - /* enable interrupt on dma done - * (probably don't need this, since chain never finishes) */ + /* + * enable interrupt on dma done + * (probably don't need this, since chain never finishes) + */ bits |= PLX_DMAMODE_DONEIEN; - /* don't increment local address during transfers - * (we are transferring from a fixed fifo register) */ + /* + * don't increment local address during transfers + * (we are transferring from a fixed fifo register) + */ bits |= PLX_DMAMODE_LACONST; - /* route dma interrupt to pci bus */ + /* route dma interrupt to pci bus */ bits |= PLX_DMAMODE_INTRPCI; - /* enable demand mode */ + /* enable demand mode */ bits |= PLX_DMAMODE_DEMAND; - /* enable local burst mode */ + /* enable local burst mode */ bits |= PLX_DMAMODE_BURSTEN; - /* 4020 uses 32 bit dma */ + /* 4020 uses 32 bit dma */ if (board->layout == LAYOUT_4020) - bits |= PLX_DMAMODE_WIDTH32; - else /* localspace0 bus is 16 bits wide */ - bits |= PLX_DMAMODE_WIDTH16; + bits |= PLX_DMAMODE_WIDTH_32; + else /* localspace0 bus is 16 bits wide */ + bits |= PLX_DMAMODE_WIDTH_16; writel(bits, plx_iobase + PLX_REG_DMAMODE1); if (ao_cmd_is_supported(board)) writel(bits, plx_iobase + PLX_REG_DMAMODE0); - /* enable interrupts on plx 9080 */ + /* enable interrupts on plx 9080 */ devpriv->plx_intcsr_bits |= PLX_INTCSR_LSEABORTEN | PLX_INTCSR_LSEPARITYEN | PLX_INTCSR_PIEN | PLX_INTCSR_PLIEN | PLX_INTCSR_PABORTIEN | PLX_INTCSR_LIOEN | @@ -1376,7 +1385,7 @@ static int set_ai_fifo_segment_length(struct comedi_device *dev, if (num_entries > fifo->max_segment_length) num_entries = fifo->max_segment_length; - /* 1 == 256 entries, 2 == 512 entries, etc */ + /* 1 == 256 entries, 2 == 512 entries, etc */ num_increments = DIV_ROUND_CLOSEST(num_entries, increment_size); bits = (~(num_increments - 1)) & fifo->fifo_size_reg_mask; @@ -1442,7 +1451,7 @@ static void init_stc_registers(struct comedi_device *dev) writew(devpriv->adc_control1_bits, devpriv->main_iobase + ADC_CONTROL1_REG); - /* 6402/16 manual says this register must be initialized to 0xff? */ + /* 6402/16 manual says this register must be initialized to 0xff? */ writew(0xff, devpriv->main_iobase + ADC_SAMPLE_INTERVAL_UPPER_REG); bits = SLOW_DAC_BIT | DMA_CH_SELECT_BIT; @@ -1457,7 +1466,7 @@ static void init_stc_registers(struct comedi_device *dev) spin_unlock_irqrestore(&dev->spinlock, flags); - /* set fifos to maximum size */ + /* set fifos to maximum size */ devpriv->fifo_size_bits |= DAC_FIFO_BITS; set_ai_fifo_segment_length(dev, board->ai_fifo->max_segment_length); @@ -1478,7 +1487,7 @@ static int alloc_and_init_dma_members(struct comedi_device *dev) struct pcidas64_private *devpriv = dev->private; int i; - /* allocate pci dma buffers */ + /* allocate pci dma buffers */ for (i = 0; i < ai_dma_ring_count(board); i++) { devpriv->ai_buffer[i] = dma_alloc_coherent(&pcidev->dev, DMA_BUFFER_SIZE, @@ -1499,7 +1508,7 @@ static int alloc_and_init_dma_members(struct comedi_device *dev) return -ENOMEM; } } - /* allocate dma descriptors */ + /* allocate dma descriptors */ devpriv->ai_dma_desc = dma_alloc_coherent(&pcidev->dev, sizeof(struct plx_dma_desc) * ai_dma_ring_count(board), @@ -1517,7 +1526,7 @@ static int alloc_and_init_dma_members(struct comedi_device *dev) if (!devpriv->ao_dma_desc) return -ENOMEM; } - /* initialize dma descriptors */ + /* initialize dma descriptors */ for (i = 0; i < ai_dma_ring_count(board); i++) { devpriv->ai_dma_desc[i].pci_start_addr = cpu_to_le32(devpriv->ai_buffer_bus_addr[i]); @@ -1618,13 +1627,11 @@ static void i2c_set_sda(struct comedi_device *dev, int state) void __iomem *plx_control_addr = devpriv->plx9080_iobase + PLX_REG_CNTRL; - if (state) { - /* set data line high */ + if (state) { /* set data line high */ devpriv->plx_control_bits &= ~data_bit; writel(devpriv->plx_control_bits, plx_control_addr); udelay(i2c_high_udelay); - } else { /* set data line low */ - + } else { /* set data line low */ devpriv->plx_control_bits |= data_bit; writel(devpriv->plx_control_bits, plx_control_addr); udelay(i2c_low_udelay); @@ -1639,13 +1646,11 @@ static void i2c_set_scl(struct comedi_device *dev, int state) void __iomem *plx_control_addr = devpriv->plx9080_iobase + PLX_REG_CNTRL; - if (state) { - /* set clock line high */ + if (state) { /* set clock line high */ devpriv->plx_control_bits &= ~clock_bit; writel(devpriv->plx_control_bits, plx_control_addr); udelay(i2c_high_udelay); - } else { /* set clock line low */ - + } else { /* set clock line low */ devpriv->plx_control_bits |= clock_bit; writel(devpriv->plx_control_bits, plx_control_addr); udelay(i2c_low_udelay); @@ -1674,7 +1679,7 @@ static int i2c_read_ack(struct comedi_device *dev) i2c_set_sda(dev, 1); i2c_set_scl(dev, 1); - return 0; /* return fake acknowledge bit */ + return 0; /* return fake acknowledge bit */ } /* send start bit */ @@ -1707,23 +1712,23 @@ static void i2c_write(struct comedi_device *dev, unsigned int address, * eeprom and i2c bus */ - /* make sure we dont send anything to eeprom */ + /* make sure we dont send anything to eeprom */ devpriv->plx_control_bits &= ~PLX_CNTRL_EECS; i2c_stop(dev); i2c_start(dev); - /* send address and write bit */ + /* send address and write bit */ bitstream = (address << 1) & ~read_bit; i2c_write_byte(dev, bitstream); - /* get acknowledge */ + /* get acknowledge */ if (i2c_read_ack(dev) != 0) { dev_err(dev->class_dev, "failed: no acknowledge\n"); i2c_stop(dev); return; } - /* write data bytes */ + /* write data bytes */ for (i = 0; i < length; i++) { i2c_write_byte(dev, data[i]); if (i2c_read_ack(dev) != 0) { @@ -1770,8 +1775,8 @@ static int ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, range = CR_RANGE(insn->chanspec); aref = CR_AREF(insn->chanspec); - /* disable card's analog input interrupt sources and pacing */ - /* 4020 generates dac done interrupts even though they are disabled */ + /* disable card's analog input interrupt sources and pacing */ + /* 4020 generates dac done interrupts even though they are disabled */ disable_ai_pacing(dev); spin_lock_irqsave(&dev->spinlock, flags); @@ -1784,12 +1789,12 @@ static int ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, spin_unlock_irqrestore(&dev->spinlock, flags); if (board->layout != LAYOUT_4020) { - /* use internal queue */ + /* use internal queue */ devpriv->hw_config_bits &= ~EXT_QUEUE_BIT; writew(devpriv->hw_config_bits, devpriv->main_iobase + HW_CONFIG_REG); - /* ALT_SOURCE is internal calibration reference */ + /* ALT_SOURCE is internal calibration reference */ if (insn->chanspec & CR_ALT_SOURCE) { unsigned int cal_en_bit; @@ -1811,19 +1816,19 @@ static int ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, */ writew(0, devpriv->main_iobase + CALIBRATION_REG); } - /* load internal queue */ + /* load internal queue */ bits = 0; - /* set gain */ + /* set gain */ bits |= ai_range_bits_6xxx(dev, CR_RANGE(insn->chanspec)); - /* set single-ended / differential */ + /* set single-ended / differential */ bits |= se_diff_bit_6xxx(dev, aref == AREF_DIFF); if (aref == AREF_COMMON) bits |= ADC_COMMON_BIT; bits |= adc_chan_bits(channel); - /* set stop channel */ + /* set stop channel */ writew(adc_chan_bits(channel), devpriv->main_iobase + ADC_QUEUE_HIGH_REG); - /* set start channel, and rest of settings */ + /* set start channel, and rest of settings */ writew(bits, devpriv->main_iobase + ADC_QUEUE_LOAD_REG); } else { uint8_t old_cal_range_bits = devpriv->i2c_cal_range_bits; @@ -1835,7 +1840,7 @@ static int ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, } else { /* select BNC inputs */ devpriv->i2c_cal_range_bits |= adc_src_4020_bits(4); } - /* select range */ + /* select range */ if (range == 0) devpriv->i2c_cal_range_bits |= attenuate_bit(channel); else @@ -1862,14 +1867,14 @@ static int ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, } for (n = 0; n < insn->n; n++) { - /* clear adc buffer (inside loop for 4020 sake) */ + /* clear adc buffer (inside loop for 4020 sake) */ writew(0, devpriv->main_iobase + ADC_BUFFER_CLEAR_REG); /* trigger conversion, bits sent only matter for 4020 */ writew(adc_convert_chan_4020_bits(CR_CHAN(insn->chanspec)), devpriv->main_iobase + ADC_CONVERT_REG); - /* wait for data */ + /* wait for data */ ret = comedi_timeout(dev, s, insn, cb_pcidas64_ai_eoc, 0); if (ret) return ret; @@ -2249,7 +2254,7 @@ static void setup_sample_counters(struct comedi_device *dev, { struct pcidas64_private *devpriv = dev->private; - /* load hardware conversion counter */ + /* load hardware conversion counter */ if (use_hw_sample_counter(cmd)) { writew(cmd->stop_arg & 0xffff, devpriv->main_iobase + ADC_COUNT_LOWER_REG); @@ -2277,7 +2282,7 @@ static inline unsigned int dma_transfer_size(struct comedi_device *dev) static uint32_t ai_convert_counter_6xxx(const struct comedi_device *dev, const struct comedi_cmd *cmd) { - /* supposed to load counter with desired divisor minus 3 */ + /* supposed to load counter with desired divisor minus 3 */ return cmd->convert_arg / TIMER_BASE - 3; } @@ -2286,7 +2291,7 @@ static uint32_t ai_scan_counter_6xxx(struct comedi_device *dev, { uint32_t count; - /* figure out how long we need to delay at end of scan */ + /* figure out how long we need to delay at end of scan */ switch (cmd->scan_begin_src) { case TRIG_TIMER: count = (cmd->scan_begin_arg - @@ -2315,13 +2320,13 @@ static uint32_t ai_convert_counter_4020(struct comedi_device *dev, case TRIG_OTHER: divisor = devpriv->ext_clock.divisor; break; - default: /* should never happen */ + default: /* should never happen */ dev_err(dev->class_dev, "bug! failed to set ai pacing!\n"); divisor = 1000; break; } - /* supposed to load counter with desired divisor minus 2 for 4020 */ + /* supposed to load counter with desired divisor minus 2 for 4020 */ return divisor - 2; } @@ -2330,7 +2335,7 @@ static void select_master_clock_4020(struct comedi_device *dev, { struct pcidas64_private *devpriv = dev->private; - /* select internal/external master clock */ + /* select internal/external master clock */ devpriv->hw_config_bits &= ~MASTER_CLOCK_4020_MASK; if (cmd->scan_begin_src == TRIG_OTHER) { int chanspec = devpriv->ext_clock.chanspec; @@ -2366,7 +2371,7 @@ static inline void dma_start_sync(struct comedi_device *dev, struct pcidas64_private *devpriv = dev->private; unsigned long flags; - /* spinlock for plx dma control/status reg */ + /* spinlock for plx dma control/status reg */ spin_lock_irqsave(&dev->spinlock, flags); writeb(PLX_DMACSR_ENABLE | PLX_DMACSR_START | PLX_DMACSR_CLEARINTR, devpriv->plx9080_iobase + PLX_REG_DMACSR(channel)); @@ -2390,16 +2395,16 @@ static void set_ai_pacing(struct comedi_device *dev, struct comedi_cmd *cmd) scan_counter = ai_scan_counter_6xxx(dev, cmd); } - /* load lower 16 bits of convert interval */ + /* load lower 16 bits of convert interval */ writew(convert_counter & 0xffff, devpriv->main_iobase + ADC_SAMPLE_INTERVAL_LOWER_REG); - /* load upper 8 bits of convert interval */ + /* load upper 8 bits of convert interval */ writew((convert_counter >> 16) & 0xff, devpriv->main_iobase + ADC_SAMPLE_INTERVAL_UPPER_REG); - /* load lower 16 bits of scan delay */ + /* load lower 16 bits of scan delay */ writew(scan_counter & 0xffff, devpriv->main_iobase + ADC_DELAY_INTERVAL_LOWER_REG); - /* load upper 8 bits of scan delay */ + /* load upper 8 bits of scan delay */ writew((scan_counter >> 16) & 0xff, devpriv->main_iobase + ADC_DELAY_INTERVAL_UPPER_REG); } @@ -2435,26 +2440,26 @@ static int setup_channel_queue(struct comedi_device *dev, writew(devpriv->hw_config_bits, devpriv->main_iobase + HW_CONFIG_REG); bits = 0; - /* set channel */ + /* set channel */ bits |= adc_chan_bits(CR_CHAN(cmd->chanlist[0])); - /* set gain */ + /* set gain */ bits |= ai_range_bits_6xxx(dev, CR_RANGE(cmd->chanlist[0])); - /* set single-ended / differential */ + /* set single-ended / differential */ bits |= se_diff_bit_6xxx(dev, CR_AREF(cmd->chanlist[0]) == AREF_DIFF); if (CR_AREF(cmd->chanlist[0]) == AREF_COMMON) bits |= ADC_COMMON_BIT; - /* set stop channel */ + /* set stop channel */ writew(adc_chan_bits (CR_CHAN(cmd->chanlist[cmd->chanlist_len - 1])), devpriv->main_iobase + ADC_QUEUE_HIGH_REG); - /* set start channel, and rest of settings */ + /* set start channel, and rest of settings */ writew(bits, devpriv->main_iobase + ADC_QUEUE_LOAD_REG); } else { - /* use external queue */ + /* use external queue */ if (dev->write_subdev && dev->write_subdev->busy) { warn_external_queue(dev); return -EBUSY; @@ -2462,30 +2467,30 @@ static int setup_channel_queue(struct comedi_device *dev, devpriv->hw_config_bits |= EXT_QUEUE_BIT; writew(devpriv->hw_config_bits, devpriv->main_iobase + HW_CONFIG_REG); - /* clear DAC buffer to prevent weird interactions */ + /* clear DAC buffer to prevent weird interactions */ writew(0, devpriv->main_iobase + DAC_BUFFER_CLEAR_REG); - /* clear queue pointer */ + /* clear queue pointer */ writew(0, devpriv->main_iobase + ADC_QUEUE_CLEAR_REG); - /* load external queue */ + /* load external queue */ for (i = 0; i < cmd->chanlist_len; i++) { bits = 0; - /* set channel */ + /* set channel */ bits |= adc_chan_bits(CR_CHAN(cmd-> chanlist[i])); - /* set gain */ + /* set gain */ bits |= ai_range_bits_6xxx(dev, CR_RANGE(cmd-> chanlist [i])); - /* set single-ended / differential */ + /* set single-ended / differential */ bits |= se_diff_bit_6xxx(dev, CR_AREF(cmd-> chanlist[i]) == AREF_DIFF); if (CR_AREF(cmd->chanlist[i]) == AREF_COMMON) bits |= ADC_COMMON_BIT; - /* mark end of queue */ + /* mark end of queue */ if (i == cmd->chanlist_len - 1) bits |= QUEUE_EOSCAN_BIT | QUEUE_EOSEQ_BIT; @@ -2498,7 +2503,7 @@ static int setup_channel_queue(struct comedi_device *dev, * but required for reliable operation */ writew(0, devpriv->main_iobase + ADC_QUEUE_CLEAR_REG); - /* prime queue holding register */ + /* prime queue holding register */ writew(0, devpriv->main_iobase + ADC_QUEUE_LOAD_REG); } } else { @@ -2507,7 +2512,7 @@ static int setup_channel_queue(struct comedi_device *dev, devpriv->i2c_cal_range_bits &= ~ADC_SRC_4020_MASK; /* select BNC inputs */ devpriv->i2c_cal_range_bits |= adc_src_4020_bits(4); - /* select ranges */ + /* select ranges */ for (i = 0; i < cmd->chanlist_len; i++) { unsigned int channel = CR_CHAN(cmd->chanlist[i]); unsigned int range = CR_RANGE(cmd->chanlist[i]); @@ -2579,7 +2584,7 @@ static int ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) if (retval < 0) return retval; - /* make sure internal calibration source is turned off */ + /* make sure internal calibration source is turned off */ writew(0, devpriv->main_iobase + CALIBRATION_REG); set_ai_pacing(dev, cmd); @@ -2595,10 +2600,10 @@ static int ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) if (board->layout != LAYOUT_4020) { devpriv->adc_control1_bits &= ~ADC_MODE_MASK; if (cmd->convert_src == TRIG_EXT) - /* good old mode 13 */ + /* good old mode 13 */ devpriv->adc_control1_bits |= adc_mode_bits(13); else - /* mode 8. What else could you need? */ + /* mode 8. What else could you need? */ devpriv->adc_control1_bits |= adc_mode_bits(8); } else { devpriv->adc_control1_bits &= ~CHANNEL_MODE_4020_MASK; @@ -2618,20 +2623,20 @@ static int ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) devpriv->main_iobase + ADC_CONTROL1_REG); spin_unlock_irqrestore(&dev->spinlock, flags); - /* clear adc buffer */ + /* clear adc buffer */ writew(0, devpriv->main_iobase + ADC_BUFFER_CLEAR_REG); if ((cmd->flags & CMDF_WAKE_EOS) == 0 || board->layout == LAYOUT_4020) { devpriv->ai_dma_index = 0; - /* set dma transfer size */ + /* set dma transfer size */ for (i = 0; i < ai_dma_ring_count(board); i++) devpriv->ai_dma_desc[i].transfer_size = cpu_to_le32(dma_transfer_size(dev) * sizeof(uint16_t)); - /* give location of first dma descriptor */ + /* give location of first dma descriptor */ load_first_dma_descriptor(dev, 1, devpriv->ai_dma_desc_bus_addr | PLX_DMADPR_DESCPCI | @@ -2657,7 +2662,7 @@ static int ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) bits = ADC_ENABLE_BIT | ADC_SOFT_GATE_BITS | ADC_GATE_LEVEL_BIT; if (cmd->flags & CMDF_WAKE_EOS) bits |= ADC_DMA_DISABLE_BIT; - /* set start trigger */ + /* set start trigger */ if (cmd->start_src == TRIG_EXT) { bits |= ADC_START_TRIG_EXT_BITS; if (cmd->start_arg & CR_INVERT) @@ -2673,7 +2678,7 @@ static int ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) spin_unlock_irqrestore(&dev->spinlock, flags); - /* start acquisition */ + /* start acquisition */ if (cmd->start_src == TRIG_NOW) writew(0, devpriv->main_iobase + ADC_START_REG); @@ -2691,7 +2696,7 @@ static void pio_drain_ai_fifo_16(struct comedi_device *dev) int num_samples; do { - /* get least significant 15 bits */ + /* get least significant 15 bits */ read_index = readw(devpriv->main_iobase + ADC_READ_PNTR_REG) & 0x7fff; write_index = readw(devpriv->main_iobase + ADC_WRITE_PNTR_REG) & @@ -2796,14 +2801,14 @@ static void drain_dma_buffers(struct comedi_device *dev, unsigned int channel) pci_addr_reg = devpriv->plx9080_iobase + PLX_REG_DMAPADR(channel); - /* loop until we have read all the full buffers */ + /* loop until we have read all the full buffers */ for (j = 0, next_transfer_addr = readl(pci_addr_reg); (next_transfer_addr < devpriv->ai_buffer_bus_addr[devpriv->ai_dma_index] || next_transfer_addr >= devpriv->ai_buffer_bus_addr[devpriv->ai_dma_index] + DMA_BUFFER_SIZE) && j < ai_dma_ring_count(board); j++) { - /* transfer data from dma buffer to comedi buffer */ + /* transfer data from dma buffer to comedi buffer */ num_samples = comedi_nsamples_left(s, dma_transfer_size(dev)); comedi_buf_write_samples(s, devpriv->ai_buffer[devpriv->ai_dma_index], @@ -2829,15 +2834,15 @@ static void handle_ai_interrupt(struct comedi_device *dev, uint8_t dma1_status; unsigned long flags; - /* check for fifo overrun */ + /* check for fifo overrun */ if (status & ADC_OVERRUN_BIT) { dev_err(dev->class_dev, "fifo overrun\n"); async->events |= COMEDI_CB_ERROR; } - /* spin lock makes sure no one else changes plx dma control reg */ + /* spin lock makes sure no one else changes plx dma control reg */ spin_lock_irqsave(&dev->spinlock, flags); dma1_status = readb(devpriv->plx9080_iobase + PLX_REG_DMACSR1); - if (plx_status & PLX_INTCSR_DMA1IA) { /* dma chan 1 interrupt */ + if (plx_status & PLX_INTCSR_DMA1IA) { /* dma chan 1 interrupt */ writeb((dma1_status & PLX_DMACSR_ENABLE) | PLX_DMACSR_CLEARINTR, devpriv->plx9080_iobase + PLX_REG_DMACSR1); @@ -2846,7 +2851,7 @@ static void handle_ai_interrupt(struct comedi_device *dev, } spin_unlock_irqrestore(&dev->spinlock, flags); - /* drain fifo with pio */ + /* drain fifo with pio */ if ((status & ADC_DONE_BIT) || ((cmd->flags & CMDF_WAKE_EOS) && (status & ADC_INTR_PENDING_BIT) && @@ -2859,7 +2864,7 @@ static void handle_ai_interrupt(struct comedi_device *dev, spin_unlock_irqrestore(&dev->spinlock, flags); } } - /* if we are have all the data, then quit */ + /* if we are have all the data, then quit */ if ((cmd->stop_src == TRIG_COUNT && async->scans_done >= cmd->stop_arg) || (cmd->stop_src == TRIG_EXT && (status & ADC_STOP_BIT))) @@ -3012,7 +3017,7 @@ static void handle_ao_interrupt(struct comedi_device *dev, async = s->async; cmd = &async->cmd; - /* spin lock makes sure no one else changes plx dma control reg */ + /* spin lock makes sure no one else changes plx dma control reg */ spin_lock_irqsave(&dev->spinlock, flags); dma0_status = readb(devpriv->plx9080_iobase + PLX_REG_DMACSR0); if (plx_status & PLX_INTCSR_DMA0IA) { /* dma chan 0 interrupt */ @@ -3106,15 +3111,15 @@ static int ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s, int chan = CR_CHAN(insn->chanspec); int range = CR_RANGE(insn->chanspec); - /* do some initializing */ + /* do some initializing */ writew(0, devpriv->main_iobase + DAC_CONTROL0_REG); - /* set range */ + /* set range */ set_dac_range_bits(dev, &devpriv->dac_control1_bits, chan, range); writew(devpriv->dac_control1_bits, devpriv->main_iobase + DAC_CONTROL1_REG); - /* write to channel */ + /* write to channel */ if (board->layout == LAYOUT_4020) { writew(data[0] & 0xff, devpriv->main_iobase + dac_lsb_4020_reg(chan)); @@ -3124,7 +3129,7 @@ static int ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s, writew(data[0], devpriv->main_iobase + dac_convert_reg(chan)); } - /* remember output value */ + /* remember output value */ s->readback[chan] = data[0]; return 1; @@ -3556,7 +3561,7 @@ static int caldac_i2c_write(struct comedi_device *dev, uint8_t serial_bytes[3]; uint8_t i2c_addr; enum pointer_bits { - /* manual has gain and offset bits switched */ + /* manual has gain and offset bits switched */ OFFSET_0_2 = 0x1, GAIN_0_2 = 0x2, OFFSET_1_3 = 0x4, @@ -3567,35 +3572,35 @@ static int caldac_i2c_write(struct comedi_device *dev, }; switch (caldac_channel) { - case 0: /* chan 0 offset */ + case 0: /* chan 0 offset */ i2c_addr = CALDAC0_I2C_ADDR; serial_bytes[0] = OFFSET_0_2; break; - case 1: /* chan 1 offset */ + case 1: /* chan 1 offset */ i2c_addr = CALDAC0_I2C_ADDR; serial_bytes[0] = OFFSET_1_3; break; - case 2: /* chan 2 offset */ + case 2: /* chan 2 offset */ i2c_addr = CALDAC1_I2C_ADDR; serial_bytes[0] = OFFSET_0_2; break; - case 3: /* chan 3 offset */ + case 3: /* chan 3 offset */ i2c_addr = CALDAC1_I2C_ADDR; serial_bytes[0] = OFFSET_1_3; break; - case 4: /* chan 0 gain */ + case 4: /* chan 0 gain */ i2c_addr = CALDAC0_I2C_ADDR; serial_bytes[0] = GAIN_0_2; break; - case 5: /* chan 1 gain */ + case 5: /* chan 1 gain */ i2c_addr = CALDAC0_I2C_ADDR; serial_bytes[0] = GAIN_1_3; break; - case 6: /* chan 2 gain */ + case 6: /* chan 2 gain */ i2c_addr = CALDAC1_I2C_ADDR; serial_bytes[0] = GAIN_0_2; break; - case 7: /* chan 3 gain */ + case 7: /* chan 3 gain */ i2c_addr = CALDAC1_I2C_ADDR; serial_bytes[0] = GAIN_1_3; break; @@ -3718,24 +3723,24 @@ static uint16_t read_eeprom(struct comedi_device *dev, uint8_t address) udelay(eeprom_udelay); devpriv->plx_control_bits &= ~PLX_CNTRL_EESK & ~PLX_CNTRL_EECS; - /* make sure we don't send anything to the i2c bus on 4020 */ + /* make sure we don't send anything to the i2c bus on 4020 */ devpriv->plx_control_bits |= PLX_CNTRL_USERO; writel(devpriv->plx_control_bits, plx_control_addr); - /* activate serial eeprom */ + /* activate serial eeprom */ udelay(eeprom_udelay); devpriv->plx_control_bits |= PLX_CNTRL_EECS; writel(devpriv->plx_control_bits, plx_control_addr); - /* write read command and desired memory address */ + /* write read command and desired memory address */ for (bit = 1 << (bitstream_length - 1); bit; bit >>= 1) { - /* set bit to be written */ + /* set bit to be written */ udelay(eeprom_udelay); if (bitstream & bit) devpriv->plx_control_bits |= PLX_CNTRL_EEWB; else devpriv->plx_control_bits &= ~PLX_CNTRL_EEWB; writel(devpriv->plx_control_bits, plx_control_addr); - /* clock in bit */ + /* clock in bit */ udelay(eeprom_udelay); devpriv->plx_control_bits |= PLX_CNTRL_EESK; writel(devpriv->plx_control_bits, plx_control_addr); @@ -3743,10 +3748,10 @@ static uint16_t read_eeprom(struct comedi_device *dev, uint8_t address) devpriv->plx_control_bits &= ~PLX_CNTRL_EESK; writel(devpriv->plx_control_bits, plx_control_addr); } - /* read back value from eeprom memory location */ + /* read back value from eeprom memory location */ value = 0; for (bit = 1 << (value_length - 1); bit; bit >>= 1) { - /* clock out bit */ + /* clock out bit */ udelay(eeprom_udelay); devpriv->plx_control_bits |= PLX_CNTRL_EESK; writel(devpriv->plx_control_bits, plx_control_addr); @@ -3758,7 +3763,7 @@ static uint16_t read_eeprom(struct comedi_device *dev, uint8_t address) value |= bit; } - /* deactivate eeprom serial input */ + /* deactivate eeprom serial input */ udelay(eeprom_udelay); devpriv->plx_control_bits &= ~PLX_CNTRL_EECS; writel(devpriv->plx_control_bits, plx_control_addr); @@ -3775,9 +3780,7 @@ static int eeprom_read_insn(struct comedi_device *dev, return 1; } -/* - * Allocate and initialize the subdevice structures. - */ +/* Allocate and initialize the subdevice structures. */ static int setup_subdevices(struct comedi_device *dev) { const struct pcidas64_board *board = dev->board_ptr; @@ -3816,7 +3819,7 @@ static int setup_subdevices(struct comedi_device *dev) * (not internal calibration sources) */ devpriv->i2c_cal_range_bits = adc_src_4020_bits(4); - /* set channels to +-5 volt input ranges */ + /* set channels to +-5 volt input ranges */ for (i = 0; i < s->n_chan; i++) devpriv->i2c_cal_range_bits |= attenuate_bit(i); data = devpriv->i2c_cal_range_bits; @@ -3849,7 +3852,7 @@ static int setup_subdevices(struct comedi_device *dev) s->type = COMEDI_SUBD_UNUSED; } - /* digital input */ + /* digital input */ s = &dev->subdevices[2]; if (board->layout == LAYOUT_64XX) { s->type = COMEDI_SUBD_DI; @@ -3862,7 +3865,7 @@ static int setup_subdevices(struct comedi_device *dev) s->type = COMEDI_SUBD_UNUSED; } - /* digital output */ + /* digital output */ if (board->layout == LAYOUT_64XX) { s = &dev->subdevices[3]; s->type = COMEDI_SUBD_DO; @@ -3891,7 +3894,7 @@ static int setup_subdevices(struct comedi_device *dev) s->type = COMEDI_SUBD_UNUSED; } - /* 8 channel dio for 60xx */ + /* 8 channel dio for 60xx */ s = &dev->subdevices[5]; if (board->layout == LAYOUT_60XX) { s->type = COMEDI_SUBD_DIO; @@ -3905,7 +3908,7 @@ static int setup_subdevices(struct comedi_device *dev) s->type = COMEDI_SUBD_UNUSED; } - /* caldac */ + /* caldac */ s = &dev->subdevices[6]; s->type = COMEDI_SUBD_CALIB; s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; @@ -3925,7 +3928,7 @@ static int setup_subdevices(struct comedi_device *dev) s->readback[i] = s->maxdata / 2; } - /* 2 channel ad8402 potentiometer */ + /* 2 channel ad8402 potentiometer */ s = &dev->subdevices[7]; if (board->layout == LAYOUT_64XX) { s->type = COMEDI_SUBD_CALIB; @@ -3959,7 +3962,7 @@ static int setup_subdevices(struct comedi_device *dev) s->type = COMEDI_SUBD_UNUSED; } - /* user counter subd XXX */ + /* user counter subd XXX */ s = &dev->subdevices[9]; s->type = COMEDI_SUBD_UNUSED; @@ -4005,7 +4008,7 @@ static int auto_attach(struct comedi_device *dev, return -ENOMEM; } - /* figure out what local addresses are */ + /* figure out what local addresses are */ local_range = readl(devpriv->plx9080_iobase + PLX_REG_LAS0RR) & PLX_LASRR_MEM_MASK; local_decode = readl(devpriv->plx9080_iobase + PLX_REG_LAS0BA) & diff --git a/drivers/staging/comedi/drivers/das08_cs.c b/drivers/staging/comedi/drivers/das08_cs.c index 9c02b17a2834..317a9b5e4a3b 100644 --- a/drivers/staging/comedi/drivers/das08_cs.c +++ b/drivers/staging/comedi/drivers/das08_cs.c @@ -1,43 +1,42 @@ /* - comedi/drivers/das08_cs.c - DAS08 driver + * Comedi driver for DAS008 PCMCIA boards + * + * COMEDI - Linux Control and Measurement Device Interface + * Copyright (C) 2000 David A. Schleef <ds@schleef.org> + * Copyright (C) 2001,2002,2003 Frank Mori Hess <fmhess@users.sourceforge.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * PCMCIA support code for this driver is adapted from the dummy_cs.c + * driver of the Linux PCMCIA Card Services package. + * + * The initial developer of the original code is David A. Hinds + * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds + * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. + */ - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 2000 David A. Schleef <ds@schleef.org> - Copyright (C) 2001,2002,2003 Frank Mori Hess <fmhess@users.sourceforge.net> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - PCMCIA support code for this driver is adapted from the dummy_cs.c - driver of the Linux PCMCIA Card Services package. - - The initial developer of the original code is David A. Hinds - <dahinds@users.sourceforge.net>. Portions created by David A. Hinds - are Copyright (C) 1999 David A. Hinds. All Rights Reserved. -*/ /* -Driver: das08_cs -Description: DAS-08 PCMCIA boards -Author: Warren Jasper, ds, Frank Hess -Devices: [ComputerBoards] PCM-DAS08 (pcm-das08) -Status: works - -This is the PCMCIA-specific support split off from the -das08 driver. - -Options (for pcm-das08): - NONE - -Command support does not exist, but could be added for this board. -*/ + * Driver: das08_cs + * Description: DAS-08 PCMCIA boards + * Author: Warren Jasper, ds, Frank Hess + * Devices: [ComputerBoards] PCM-DAS08 (pcm-das08) + * Status: works + * + * This is the PCMCIA-specific support split off from the + * das08 driver. + * + * Configuration Options: none, uses PCMCIA auto config + * + * Command support does not exist, but could be added for this board. + */ #include <linux/module.h> diff --git a/drivers/staging/comedi/drivers/dt2811.c b/drivers/staging/comedi/drivers/dt2811.c index 8bbd93814340..fcd85475e429 100644 --- a/drivers/staging/comedi/drivers/dt2811.c +++ b/drivers/staging/comedi/drivers/dt2811.c @@ -96,11 +96,11 @@ * 6 6 100 kHz 6 1000000 * 7 12 50 kHz 7 10000000 */ -const unsigned int dt2811_clk_dividers[] = { +static const unsigned int dt2811_clk_dividers[] = { 1, 10, 2, 3, 4, 5, 6, 12 }; -const unsigned int dt2811_clk_multipliers[] = { +static const unsigned int dt2811_clk_multipliers[] = { 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000 }; diff --git a/drivers/staging/comedi/drivers/dt9812.c b/drivers/staging/comedi/drivers/dt9812.c index 3295bb4ac8c4..7ebca862ecaa 100644 --- a/drivers/staging/comedi/drivers/dt9812.c +++ b/drivers/staging/comedi/drivers/dt9812.c @@ -660,12 +660,12 @@ static int dt9812_find_endpoints(struct comedi_device *dev) case 1: dir = USB_DIR_OUT; devpriv->cmd_wr.addr = ep->bEndpointAddress; - devpriv->cmd_wr.size = le16_to_cpu(ep->wMaxPacketSize); + devpriv->cmd_wr.size = usb_endpoint_maxp(ep); break; case 2: dir = USB_DIR_IN; devpriv->cmd_rd.addr = ep->bEndpointAddress; - devpriv->cmd_rd.size = le16_to_cpu(ep->wMaxPacketSize); + devpriv->cmd_rd.size = usb_endpoint_maxp(ep); break; case 3: /* unused write stream */ diff --git a/drivers/staging/comedi/drivers/gsc_hpdi.c b/drivers/staging/comedi/drivers/gsc_hpdi.c index af4b4175af4d..e5b948405fd9 100644 --- a/drivers/staging/comedi/drivers/gsc_hpdi.c +++ b/drivers/staging/comedi/drivers/gsc_hpdi.c @@ -582,7 +582,7 @@ static void gsc_hpdi_init_plx9080(struct comedi_device *dev) bits |= PLX_DMAMODE_DEMAND; /* enable local burst mode */ bits |= PLX_DMAMODE_BURSTEN; - bits |= PLX_DMAMODE_WIDTH32; + bits |= PLX_DMAMODE_WIDTH_32; writel(bits, plx_iobase + PLX_REG_DMAMODE0); } diff --git a/drivers/staging/comedi/drivers/jr3_pci.c b/drivers/staging/comedi/drivers/jr3_pci.c index 6c4ff023717f..70390de66e0e 100644 --- a/drivers/staging/comedi/drivers/jr3_pci.c +++ b/drivers/staging/comedi/drivers/jr3_pci.c @@ -141,7 +141,7 @@ static void set_transforms(struct jr3_channel __iomem *channel, { int i; - num &= 0x000f; /* Make sure that 0 <= num <= 15 */ + num &= 0x000f; /* Make sure that 0 <= num <= 15 */ for (i = 0; i < 8; i++) { set_u16(&channel->transforms[num].link[i].link_type, transf.link[i].link_type); @@ -323,10 +323,10 @@ static int read_idm_word(const u8 *data, size_t size, int *pos, int value; if (pos && val) { - /* Skip over non hex */ + /* Skip over non hex */ for (; *pos < size && !isxdigit(data[*pos]); (*pos)++) ; - /* Collect value */ + /* Collect value */ *val = 0; for (; *pos < size; (*pos)++) { value = hex_to_bin(data[*pos]); @@ -448,7 +448,8 @@ static int jr3_download_firmware(struct comedi_device *dev, return 0; } -static struct jr3_pci_poll_delay jr3_pci_poll_subdevice(struct comedi_subdevice *s) +static struct jr3_pci_poll_delay +jr3_pci_poll_subdevice(struct comedi_subdevice *s) { struct jr3_pci_subdev_private *spriv = s->private; struct jr3_pci_poll_delay result = poll_delay_min_max(1000, 2000); @@ -733,13 +734,13 @@ static int jr3_pci_auto_attach(struct comedi_device *dev, } } - /* Reset DSP card */ + /* Reset DSP card */ writel(0, &devpriv->iobase->channel[0].reset); ret = comedi_load_firmware(dev, &comedi_to_pci_dev(dev)->dev, "comedi/jr3pci.idm", jr3_download_firmware, 0); - dev_dbg(dev->class_dev, "Firmare load %d\n", ret); + dev_dbg(dev->class_dev, "Firmware load %d\n", ret); if (ret < 0) return ret; /* @@ -763,7 +764,7 @@ static int jr3_pci_auto_attach(struct comedi_device *dev, data.copyright[i]) >> 8); } - /* Start card timer */ + /* Start card timer */ for (i = 0; i < dev->n_subdevices; i++) { s = &dev->subdevices[i]; spriv = s->private; diff --git a/drivers/staging/comedi/drivers/jr3_pci.h b/drivers/staging/comedi/drivers/jr3_pci.h index 356811defaf4..f10a84fb6c14 100644 --- a/drivers/staging/comedi/drivers/jr3_pci.h +++ b/drivers/staging/comedi/drivers/jr3_pci.h @@ -1,4 +1,5 @@ -/* Helper types to take care of the fact that the DSP card memory +/* + * Helper types to take care of the fact that the DSP card memory * is 16 bits, but aligned on a 32 bit PCI boundary */ @@ -22,7 +23,8 @@ static inline void set_s16(s32 __iomem *p, s16 val) writel(val, p); } -/* The raw data is stored in a format which facilitates rapid +/* + * The raw data is stored in a format which facilitates rapid * processing by the JR3 DSP chip. The raw_channel structure shows the * format for a single channel of data. Each channel takes four, * two-byte words. @@ -47,7 +49,8 @@ struct raw_channel { s32 reserved[2]; }; -/* The force_array structure shows the layout for the decoupled and +/* + * The force_array structure shows the layout for the decoupled and * filtered force data. */ struct force_array { @@ -61,7 +64,8 @@ struct force_array { s32 v2; }; -/* The six_axis_array structure shows the layout for the offsets and +/* + * The six_axis_array structure shows the layout for the offsets and * the full scales. */ struct six_axis_array { @@ -74,7 +78,8 @@ struct six_axis_array { }; /* VECT_BITS */ -/* The vect_bits structure shows the layout for indicating +/* + * The vect_bits structure shows the layout for indicating * which axes to use in computing the vectors. Each bit signifies * selection of a single axis. The V1x axis bit corresponds to a hex * value of 0x0001 and the V2z bit corresponds to a hex value of @@ -100,12 +105,14 @@ enum { }; /* WARNING_BITS */ -/* The warning_bits structure shows the bit pattern for the warning +/* + * The warning_bits structure shows the bit pattern for the warning * word. The bit fields are shown from bit 0 (lsb) to bit 15 (msb). */ -/* XX_NEAR_SET */ -/* The xx_near_sat bits signify that the indicated axis has reached or +/* XX_NEAR_SET */ +/* + * The xx_near_sat bits signify that the indicated axis has reached or * exceeded the near saturation value. */ @@ -118,12 +125,13 @@ enum { mz_near_sat = 0x0020 }; -/* ERROR_BITS */ -/* XX_SAT */ -/* MEMORY_ERROR */ -/* SENSOR_CHANGE */ +/* ERROR_BITS */ +/* XX_SAT */ +/* MEMORY_ERROR */ +/* SENSOR_CHANGE */ -/* The error_bits structure shows the bit pattern for the error word. +/* + * The error_bits structure shows the bit pattern for the error word. * The bit fields are shown from bit 0 (lsb) to bit 15 (msb). The * xx_sat bits signify that the indicated axis has reached or exceeded * the saturation value. The memory_error bit indicates that a problem @@ -134,9 +142,10 @@ enum { * */ -/* SYSTEM_BUSY */ +/* SYSTEM_BUSY */ -/* The system_busy bit indicates that the JR3 DSP is currently busy +/* + * The system_busy bit indicates that the JR3 DSP is currently busy * and is not calculating force data. This occurs when a new * coordinate transformation, or new sensor full scale is set by the * user. A very fast system using the force data for feedback might @@ -146,9 +155,10 @@ enum { * calibration CRC. */ -/* CAL_CRC_BAD */ +/* CAL_CRC_BAD */ -/* The cal_crc_bad bit indicates that the calibration CRC has not +/* + * The cal_crc_bad bit indicates that the calibration CRC has not * calculated to zero. CRC is short for cyclic redundancy code. It is * a method for determining the integrity of messages in data * communication. The calibration data stored inside the sensor is @@ -168,7 +178,8 @@ enum { /* WATCH_DOG */ /* WATCH_DOG2 */ -/* The watch_dog and watch_dog2 bits are sensor, not processor, watch +/* + * The watch_dog and watch_dog2 bits are sensor, not processor, watch * dog bits. Watch_dog indicates that the sensor data line seems to be * acting correctly, while watch_dog2 indicates that sensor data and * clock are being received. It is possible for watch_dog2 to go off @@ -192,9 +203,10 @@ enum error_bits_t { watch_dog = 0x8000 }; -/* THRESH_STRUCT */ +/* THRESH_STRUCT */ -/* This structure shows the layout for a single threshold packet inside of a +/* + * This structure shows the layout for a single threshold packet inside of a * load envelope. Each load envelope can contain several threshold structures. * 1. data_address contains the address of the data for that threshold. This * includes filtered, unfiltered, raw, rate, counters, error and warning data @@ -210,9 +222,10 @@ struct thresh_struct { s32 bit_pattern; }; -/* LE_STRUCT */ +/* LE_STRUCT */ -/* Layout of a load enveloped packet. Four thresholds are showed ... for more +/* + * Layout of a load enveloped packet. Four thresholds are showed ... for more * see manual (pag.25) * 1. latch_bits is a bit pattern that show which bits the user wants to latch. * The latched bits will not be reset once the threshold which set them is @@ -228,8 +241,9 @@ struct le_struct { s32 reserved; }; -/* LINK_TYPES */ -/* Link types is an enumerated value showing the different possible transform +/* LINK_TYPES */ +/* + * Link types is an enumerated value showing the different possible transform * link types. * 0 - end transform packet * 1 - translate along X axis (TX) @@ -252,8 +266,8 @@ enum link_types { neg }; -/* TRANSFORM */ -/* Structure used to describe a transform. */ +/* TRANSFORM */ +/* Structure used to describe a transform. */ struct intern_transform { struct { u32 link_type; @@ -261,23 +275,29 @@ struct intern_transform { } link[8]; }; -/* JR3 force/torque sensor data definition. For more information see sensor - * and hardware manuals. +/* + * JR3 force/torque sensor data definition. For more information see sensor + * and hardware manuals. */ struct jr3_channel { - /* Raw_channels is the area used to store the raw data coming from */ - /* the sensor. */ + /* + * Raw_channels is the area used to store the raw data coming from + * the sensor. + */ struct raw_channel raw_channels[16]; /* offset 0x0000 */ - /* Copyright is a null terminated ASCII string containing the JR3 */ - /* copyright notice. */ + /* + * Copyright is a null terminated ASCII string containing the JR3 + * copyright notice. + */ u32 copyright[0x0018]; /* offset 0x0040 */ s32 reserved1[0x0008]; /* offset 0x0058 */ - /* Shunts contains the sensor shunt readings. Some JR3 sensors have + /* + * Shunts contains the sensor shunt readings. Some JR3 sensors have * the ability to have their gains adjusted. This allows the * hardware full scales to be adjusted to potentially allow * better resolution or dynamic range. For sensors that have @@ -298,25 +318,29 @@ struct jr3_channel { * command (10) set new full scales (pg. 38). */ - struct six_axis_array shunts; /* offset 0x0060 */ - s32 reserved2[2]; /* offset 0x0066 */ + struct six_axis_array shunts; /* offset 0x0060 */ + s32 reserved2[2]; /* offset 0x0066 */ - /* Default_FS contains the full scale that is used if the user does */ - /* not set a full scale. */ + /* + * Default_FS contains the full scale that is used if the user does + * not set a full scale. + */ struct six_axis_array default_FS; /* offset 0x0068 */ - s32 reserved3; /* offset 0x006e */ + s32 reserved3; /* offset 0x006e */ - /* Load_envelope_num is the load envelope number that is currently + /* + * Load_envelope_num is the load envelope number that is currently * in use. This value is set by the user after one of the load * envelopes has been initialized. */ - s32 load_envelope_num; /* offset 0x006f */ + s32 load_envelope_num; /* offset 0x006f */ /* Min_full_scale is the recommend minimum full scale. */ - /* These values in conjunction with max_full_scale (pg. 9) helps + /* + * These values in conjunction with max_full_scale (pg. 9) helps * determine the appropriate value for setting the full scales. The * software allows the user to set the sensor full scale to an * arbitrary value. But setting the full scales has some hazards. If @@ -342,30 +366,35 @@ struct jr3_channel { */ struct six_axis_array min_full_scale; /* offset 0x0070 */ - s32 reserved4; /* offset 0x0076 */ + s32 reserved4; /* offset 0x0076 */ - /* Transform_num is the transform number that is currently in use. + /* + * Transform_num is the transform number that is currently in use. * This value is set by the JR3 DSP after the user has used command * (5) use transform # (pg. 33). */ - s32 transform_num; /* offset 0x0077 */ + s32 transform_num; /* offset 0x0077 */ - /* Max_full_scale is the recommended maximum full scale. See */ - /* min_full_scale (pg. 9) for more details. */ + /* + * Max_full_scale is the recommended maximum full scale. + * See min_full_scale (pg. 9) for more details. + */ struct six_axis_array max_full_scale; /* offset 0x0078 */ - s32 reserved5; /* offset 0x007e */ + s32 reserved5; /* offset 0x007e */ - /* Peak_address is the address of the data which will be monitored + /* + * Peak_address is the address of the data which will be monitored * by the peak routine. This value is set by the user. The peak * routine will monitor any 8 contiguous addresses for peak values. * (ex. to watch filter3 data for peaks, set this value to 0x00a8). */ - s32 peak_address; /* offset 0x007f */ + s32 peak_address; /* offset 0x007f */ - /* Full_scale is the sensor full scales which are currently in use. + /* + * Full_scale is the sensor full scales which are currently in use. * Decoupled and filtered data is scaled so that +/- 16384 is equal * to the full scales. The engineering units used are indicated by * the units value discussed on page 16. The full scales for Fx, Fy, @@ -377,9 +406,10 @@ struct jr3_channel { * axes used for each vector respectively. */ - struct force_array full_scale; /* offset 0x0080 */ + struct force_array full_scale; /* offset 0x0080 */ - /* Offsets contains the sensor offsets. These values are subtracted from + /* + * Offsets contains the sensor offsets. These values are subtracted from * the sensor data to obtain the decoupled data. The offsets are set a * few seconds (< 10) after the calibration data has been received. * They are set so that the output data will be zero. These values @@ -392,23 +422,26 @@ struct jr3_channel { * about Z by 90 degrees, FY would be 5 and all others would be zero. */ - struct six_axis_array offsets; /* offset 0x0088 */ + struct six_axis_array offsets; /* offset 0x0088 */ - /* Offset_num is the number of the offset currently in use. This + /* + * Offset_num is the number of the offset currently in use. This * value is set by the JR3 DSP after the user has executed the use * offset # command (pg. 34). It can vary between 0 and 15. */ - s32 offset_num; /* offset 0x008e */ + s32 offset_num; /* offset 0x008e */ - /* Vect_axes is a bit map showing which of the axes are being used + /* + * Vect_axes is a bit map showing which of the axes are being used * in the vector calculations. This value is set by the JR3 DSP * after the user has executed the set vector axes command (pg. 37). */ - u32 vect_axes; /* offset 0x008f */ + u32 vect_axes; /* offset 0x008f */ - /* Filter0 is the decoupled, unfiltered data from the JR3 sensor. + /* + * Filter0 is the decoupled, unfiltered data from the JR3 sensor. * This data has had the offsets removed. * * These force_arrays hold the filtered data. The decoupled data is @@ -420,23 +453,27 @@ struct jr3_channel { * cutoff at 125 Hz, 31.25 Hz, 7.813 Hz, 1.953 Hz and 0.4883 Hz. */ - struct force_array filter[7]; /* offset 0x0090, - offset 0x0098, - offset 0x00a0, - offset 0x00a8, - offset 0x00b0, - offset 0x00b8 , - offset 0x00c0 */ - - /* Rate_data is the calculated rate data. It is a first derivative + struct force_array filter[7]; /* + * offset 0x0090, + * offset 0x0098, + * offset 0x00a0, + * offset 0x00a8, + * offset 0x00b0, + * offset 0x00b8, + * offset 0x00c0 + */ + + /* + * Rate_data is the calculated rate data. It is a first derivative * calculation. It is calculated at a frequency specified by the * variable rate_divisor (pg. 12). The data on which the rate is * calculated is specified by the variable rate_address (pg. 12). */ - struct force_array rate_data; /* offset 0x00c8 */ + struct force_array rate_data; /* offset 0x00c8 */ - /* Minimum_data & maximum_data are the minimum and maximum (peak) + /* + * Minimum_data & maximum_data are the minimum and maximum (peak) * data values. The JR3 DSP can monitor any 8 contiguous data items * for minimums and maximums at full sensor bandwidth. This area is * only updated at user request. This is done so that the user does @@ -451,7 +488,8 @@ struct jr3_channel { struct force_array minimum_data; /* offset 0x00d0 */ struct force_array maximum_data; /* offset 0x00d8 */ - /* Near_sat_value & sat_value contain the value used to determine if + /* + * Near_sat_value & sat_value contain the value used to determine if * the raw sensor is saturated. Because of decoupling and offset * removal, it is difficult to tell from the processed data if the * sensor is saturated. These values, in conjunction with the error @@ -465,10 +503,11 @@ struct jr3_channel { * sat_value = 32768 - 2^(16 - ADC bits) */ - s32 near_sat_value; /* offset 0x00e0 */ - s32 sat_value; /* offset 0x00e1 */ + s32 near_sat_value; /* offset 0x00e0 */ + s32 sat_value; /* offset 0x00e1 */ - /* Rate_address, rate_divisor & rate_count contain the data used to + /* + * Rate_address, rate_divisor & rate_count contain the data used to * control the calculations of the rates. Rate_address is the * address of the data used for the rate calculation. The JR3 DSP * will calculate rates for any 8 contiguous values (ex. to @@ -485,11 +524,12 @@ struct jr3_channel { * will minimize the time necessary to start the rate calculations. */ - s32 rate_address; /* offset 0x00e2 */ - u32 rate_divisor; /* offset 0x00e3 */ - u32 rate_count; /* offset 0x00e4 */ + s32 rate_address; /* offset 0x00e2 */ + u32 rate_divisor; /* offset 0x00e3 */ + u32 rate_count; /* offset 0x00e4 */ - /* Command_word2 through command_word0 are the locations used to + /* + * Command_word2 through command_word0 are the locations used to * send commands to the JR3 DSP. Their usage varies with the command * and is detailed later in the Command Definitions section (pg. * 29). In general the user places values into various memory @@ -502,11 +542,12 @@ struct jr3_channel { * command_word1). */ - s32 command_word2; /* offset 0x00e5 */ - s32 command_word1; /* offset 0x00e6 */ - s32 command_word0; /* offset 0x00e7 */ + s32 command_word2; /* offset 0x00e5 */ + s32 command_word1; /* offset 0x00e6 */ + s32 command_word0; /* offset 0x00e7 */ - /* Count1 through count6 are unsigned counters which are incremented + /* + * Count1 through count6 are unsigned counters which are incremented * every time the matching filters are calculated. Filter1 is * calculated at the sensor data bandwidth. So this counter would * increment at 8 kHz for a typical sensor. The rest of the counters @@ -518,14 +559,15 @@ struct jr3_channel { * once. */ - u32 count1; /* offset 0x00e8 */ - u32 count2; /* offset 0x00e9 */ - u32 count3; /* offset 0x00ea */ - u32 count4; /* offset 0x00eb */ - u32 count5; /* offset 0x00ec */ - u32 count6; /* offset 0x00ed */ + u32 count1; /* offset 0x00e8 */ + u32 count2; /* offset 0x00e9 */ + u32 count3; /* offset 0x00ea */ + u32 count4; /* offset 0x00eb */ + u32 count5; /* offset 0x00ec */ + u32 count6; /* offset 0x00ed */ - /* Error_count is a running count of data reception errors. If this + /* + * Error_count is a running count of data reception errors. If this * counter is changing rapidly, it probably indicates a bad sensor * cable connection or other hardware problem. In most installations * error_count should not change at all. But it is possible in an @@ -535,75 +577,84 @@ struct jr3_channel { * where this counter counts a bad sample, that sample is ignored. */ - u32 error_count; /* offset 0x00ee */ + u32 error_count; /* offset 0x00ee */ - /* Count_x is a counter which is incremented every time the JR3 DSP + /* + * Count_x is a counter which is incremented every time the JR3 DSP * searches its job queues and finds nothing to do. It indicates the * amount of idle time the JR3 DSP has available. It can also be * used to determine if the JR3 DSP is alive. See the Performance * Issues section on pg. 49 for more details. */ - u32 count_x; /* offset 0x00ef */ + u32 count_x; /* offset 0x00ef */ - /* Warnings & errors contain the warning and error bits + /* + * Warnings & errors contain the warning and error bits * respectively. The format of these two words is discussed on page * 21 under the headings warnings_bits and error_bits. */ - u32 warnings; /* offset 0x00f0 */ - u32 errors; /* offset 0x00f1 */ + u32 warnings; /* offset 0x00f0 */ + u32 errors; /* offset 0x00f1 */ - /* Threshold_bits is a word containing the bits that are set by the + /* + * Threshold_bits is a word containing the bits that are set by the * load envelopes. See load_envelopes (pg. 17) and thresh_struct * (pg. 23) for more details. */ - s32 threshold_bits; /* offset 0x00f2 */ + s32 threshold_bits; /* offset 0x00f2 */ - /* Last_crc is the value that shows the actual calculated CRC. CRC + /* + * Last_crc is the value that shows the actual calculated CRC. CRC * is short for cyclic redundancy code. It should be zero. See the * description for cal_crc_bad (pg. 21) for more information. */ - s32 last_CRC; /* offset 0x00f3 */ + s32 last_CRC; /* offset 0x00f3 */ - /* EEProm_ver_no contains the version number of the sensor EEProm. + /* + * EEProm_ver_no contains the version number of the sensor EEProm. * EEProm version numbers can vary between 0 and 255. * Software_ver_no contains the software version number. Version * 3.02 would be stored as 302. */ - s32 eeprom_ver_no; /* offset 0x00f4 */ - s32 software_ver_no; /* offset 0x00f5 */ + s32 eeprom_ver_no; /* offset 0x00f4 */ + s32 software_ver_no; /* offset 0x00f5 */ - /* Software_day & software_year are the release date of the software + /* + * Software_day & software_year are the release date of the software * the JR3 DSP is currently running. Day is the day of the year, * with January 1 being 1, and December 31, being 365 for non leap * years. */ - s32 software_day; /* offset 0x00f6 */ - s32 software_year; /* offset 0x00f7 */ + s32 software_day; /* offset 0x00f6 */ + s32 software_year; /* offset 0x00f7 */ - /* Serial_no & model_no are the two values which uniquely identify a + /* + * Serial_no & model_no are the two values which uniquely identify a * sensor. This model number does not directly correspond to the JR3 * model number, but it will provide a unique identifier for * different sensor configurations. */ - u32 serial_no; /* offset 0x00f8 */ - u32 model_no; /* offset 0x00f9 */ + u32 serial_no; /* offset 0x00f8 */ + u32 model_no; /* offset 0x00f9 */ - /* Cal_day & cal_year are the sensor calibration date. Day is the + /* + * Cal_day & cal_year are the sensor calibration date. Day is the * day of the year, with January 1 being 1, and December 31, being * 366 for leap years. */ - s32 cal_day; /* offset 0x00fa */ - s32 cal_year; /* offset 0x00fb */ + s32 cal_day; /* offset 0x00fa */ + s32 cal_year; /* offset 0x00fb */ - /* Units is an enumerated read only value defining the engineering + /* + * Units is an enumerated read only value defining the engineering * units used in the sensor full scale. The meanings of particular * values are discussed in the section detailing the force_units * structure on page 22. The engineering units are setto customer @@ -626,20 +677,22 @@ struct jr3_channel { * received. */ - u32 units; /* offset 0x00fc */ - s32 bits; /* offset 0x00fd */ - s32 channels; /* offset 0x00fe */ + u32 units; /* offset 0x00fc */ + s32 bits; /* offset 0x00fd */ + s32 channels; /* offset 0x00fe */ - /* Thickness specifies the overall thickness of the sensor from + /* + * Thickness specifies the overall thickness of the sensor from * flange to flange. The engineering units for this value are * contained in units (pg. 16). The sensor calibration is relative * to the center of the sensor. This value allows easy coordinate * transformation from the center of the sensor to either flange. */ - s32 thickness; /* offset 0x00ff */ + s32 thickness; /* offset 0x00ff */ - /* Load_envelopes is a table containing the load envelope + /* + * Load_envelopes is a table containing the load envelope * descriptions. There are 16 possible load envelope slots in the * table. The slots are on 16 word boundaries and are numbered 0-15. * Each load envelope needs to start at the beginning of a slot but @@ -655,7 +708,8 @@ struct jr3_channel { struct le_struct load_envelopes[0x10]; /* offset 0x0100 */ - /* Transforms is a table containing the transform descriptions. + /* + * Transforms is a table containing the transform descriptions. * There are 16 possible transform slots in the table. The slots are * on 16 word boundaries and are numbered 0-15. Each transform needs * to start at the beginning of a slot but need not be fully diff --git a/drivers/staging/comedi/drivers/ni_670x.c b/drivers/staging/comedi/drivers/ni_670x.c index 3e72718801a9..74911dbb2561 100644 --- a/drivers/staging/comedi/drivers/ni_670x.c +++ b/drivers/staging/comedi/drivers/ni_670x.c @@ -1,40 +1,34 @@ /* - comedi/drivers/ni_670x.c - Hardware driver for NI 670x devices - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 1997-2001 David A. Schleef <ds@schleef.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. -*/ -/* -Driver: ni_670x -Description: National Instruments 670x -Author: Bart Joris <bjoris@advalvas.be> -Updated: Wed, 11 Dec 2002 18:25:35 -0800 -Devices: [National Instruments] PCI-6703 (ni_670x), PCI-6704 -Status: unknown - -Commands are not supported. -*/ + * Comedi driver for NI 670x devices + * + * COMEDI - Linux Control and Measurement Device Interface + * Copyright (C) 1997-2001 David A. Schleef <ds@schleef.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ /* - Bart Joris <bjoris@advalvas.be> Last updated on 20/08/2001 - - Manuals: - - 322110a.pdf PCI/PXI-6704 User Manual - 322110b.pdf PCI/PXI-6703/6704 User Manual - -*/ + * Driver: ni_670x + * Description: National Instruments 670x + * Author: Bart Joris <bjoris@advalvas.be> + * Updated: Wed, 11 Dec 2002 18:25:35 -0800 + * Devices: [National Instruments] PCI-6703 (ni_670x), PCI-6704 + * Status: unknown + * + * Commands are not supported. + * + * Manuals: + * 322110a.pdf PCI/PXI-6704 User Manual + * 322110b.pdf PCI/PXI-6703/6704 User Manual + */ #include <linux/module.h> #include <linux/interrupt.h> diff --git a/drivers/staging/comedi/drivers/ni_at_a2150.c b/drivers/staging/comedi/drivers/ni_at_a2150.c index 9b444f8c4e33..5a4dcc6e61d8 100644 --- a/drivers/staging/comedi/drivers/ni_at_a2150.c +++ b/drivers/staging/comedi/drivers/ni_at_a2150.c @@ -1,62 +1,47 @@ /* - comedi/drivers/ni_at_a2150.c - Driver for National Instruments AT-A2150 boards - Copyright (C) 2001, 2002 Frank Mori Hess <fmhess@users.sourceforge.net> - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 2000 David A. Schleef <ds@schleef.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. -*/ -/* -Driver: ni_at_a2150 -Description: National Instruments AT-A2150 -Author: Frank Mori Hess -Status: works -Devices: [National Instruments] AT-A2150C (at_a2150c), AT-2150S (at_a2150s) - -If you want to ac couple the board's inputs, use AREF_OTHER. - -Configuration options: - [0] - I/O port base address - [1] - IRQ (optional, required for timed conversions) - [2] - DMA (optional, required for timed conversions) + * Comedi driver for National Instruments AT-A2150 boards + * Copyright (C) 2001, 2002 Frank Mori Hess <fmhess@users.sourceforge.net> + * + * COMEDI - Linux Control and Measurement Device Interface + * Copyright (C) 2000 David A. Schleef <ds@schleef.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ -*/ /* -Yet another driver for obsolete hardware brought to you by Frank Hess. -Testing and debugging help provided by Dave Andruczyk. - -This driver supports the boards: - -AT-A2150C -AT-A2150S - -The only difference is their master clock frequencies. - -Options: - [0] - base io address - [1] - irq - [2] - dma channel - -References (from ftp://ftp.natinst.com/support/manuals): - - 320360.pdf AT-A2150 User Manual - -TODO: - -analog level triggering -TRIG_WAKE_EOS - -*/ + * Driver: ni_at_a2150 + * Description: National Instruments AT-A2150 + * Author: Frank Mori Hess + * Status: works + * Devices: [National Instruments] AT-A2150C (at_a2150c), AT-2150S (at_a2150s) + * + * Configuration options: + * [0] - I/O port base address + * [1] - IRQ (optional, required for timed conversions) + * [2] - DMA (optional, required for timed conversions) + * + * Yet another driver for obsolete hardware brought to you by Frank Hess. + * Testing and debugging help provided by Dave Andruczyk. + * + * If you want to ac couple the board's inputs, use AREF_OTHER. + * + * The only difference in the boards is their master clock frequencies. + * + * References (from ftp://ftp.natinst.com/support/manuals): + * 320360.pdf AT-A2150 User Manual + * + * TODO: + * - analog level triggering + * - TRIG_WAKE_EOS + */ #include <linux/module.h> #include <linux/delay.h> @@ -73,48 +58,52 @@ TRIG_WAKE_EOS /* Registers and bits */ #define CONFIG_REG 0x0 -#define CHANNEL_BITS(x) ((x) & 0x7) +#define CHANNEL_BITS(x) ((x) & 0x7) #define CHANNEL_MASK 0x7 -#define CLOCK_SELECT_BITS(x) (((x) & 0x3) << 3) -#define CLOCK_DIVISOR_BITS(x) (((x) & 0x3) << 5) +#define CLOCK_SELECT_BITS(x) (((x) & 0x3) << 3) +#define CLOCK_DIVISOR_BITS(x) (((x) & 0x3) << 5) #define CLOCK_MASK (0xf << 3) -#define ENABLE0_BIT 0x80 /* enable (don't internally ground) channels 0 and 1 */ -#define ENABLE1_BIT 0x100 /* enable (don't internally ground) channels 2 and 3 */ -#define AC0_BIT 0x200 /* ac couple channels 0,1 */ -#define AC1_BIT 0x400 /* ac couple channels 2,3 */ -#define APD_BIT 0x800 /* analog power down */ -#define DPD_BIT 0x1000 /* digital power down */ -#define TRIGGER_REG 0x2 /* trigger config register */ -#define POST_TRIGGER_BITS 0x2 -#define DELAY_TRIGGER_BITS 0x3 -#define HW_TRIG_EN 0x10 /* enable hardware trigger */ -#define FIFO_START_REG 0x6 /* software start aquistion trigger */ -#define FIFO_RESET_REG 0x8 /* clears fifo + fifo flags */ -#define FIFO_DATA_REG 0xa /* read data */ -#define DMA_TC_CLEAR_REG 0xe /* clear dma terminal count interrupt */ -#define STATUS_REG 0x12 /* read only */ -#define FNE_BIT 0x1 /* fifo not empty */ -#define OVFL_BIT 0x8 /* fifo overflow */ -#define EDAQ_BIT 0x10 /* end of acquisition interrupt */ -#define DCAL_BIT 0x20 /* offset calibration in progress */ -#define INTR_BIT 0x40 /* interrupt has occurred */ -#define DMA_TC_BIT 0x80 /* dma terminal count interrupt has occurred */ -#define ID_BITS(x) (((x) >> 8) & 0x3) -#define IRQ_DMA_CNTRL_REG 0x12 /* write only */ -#define DMA_CHAN_BITS(x) ((x) & 0x7) /* sets dma channel */ -#define DMA_EN_BIT 0x8 /* enables dma */ -#define IRQ_LVL_BITS(x) (((x) & 0xf) << 4) /* sets irq level */ -#define FIFO_INTR_EN_BIT 0x100 /* enable fifo interrupts */ -#define FIFO_INTR_FHF_BIT 0x200 /* interrupt fifo half full */ -#define DMA_INTR_EN_BIT 0x800 /* enable interrupt on dma terminal count */ -#define DMA_DEM_EN_BIT 0x1000 /* enables demand mode dma */ +/* enable (don't internally ground) channels 0 and 1 */ +#define ENABLE0_BIT 0x80 +/* enable (don't internally ground) channels 2 and 3 */ +#define ENABLE1_BIT 0x100 +#define AC0_BIT 0x200 /* ac couple channels 0,1 */ +#define AC1_BIT 0x400 /* ac couple channels 2,3 */ +#define APD_BIT 0x800 /* analog power down */ +#define DPD_BIT 0x1000 /* digital power down */ +#define TRIGGER_REG 0x2 /* trigger config register */ +#define POST_TRIGGER_BITS 0x2 +#define DELAY_TRIGGER_BITS 0x3 +#define HW_TRIG_EN 0x10 /* enable hardware trigger */ +#define FIFO_START_REG 0x6 /* software start aquistion trigger */ +#define FIFO_RESET_REG 0x8 /* clears fifo + fifo flags */ +#define FIFO_DATA_REG 0xa /* read data */ +#define DMA_TC_CLEAR_REG 0xe /* clear dma terminal count interrupt */ +#define STATUS_REG 0x12 /* read only */ +#define FNE_BIT 0x1 /* fifo not empty */ +#define OVFL_BIT 0x8 /* fifo overflow */ +#define EDAQ_BIT 0x10 /* end of acquisition interrupt */ +#define DCAL_BIT 0x20 /* offset calibration in progress */ +#define INTR_BIT 0x40 /* interrupt has occurred */ +/* dma terminal count interrupt has occurred */ +#define DMA_TC_BIT 0x80 +#define ID_BITS(x) (((x) >> 8) & 0x3) +#define IRQ_DMA_CNTRL_REG 0x12 /* write only */ +#define DMA_CHAN_BITS(x) ((x) & 0x7) /* sets dma channel */ +#define DMA_EN_BIT 0x8 /* enables dma */ +#define IRQ_LVL_BITS(x) (((x) & 0xf) << 4) /* sets irq level */ +#define FIFO_INTR_EN_BIT 0x100 /* enable fifo interrupts */ +#define FIFO_INTR_FHF_BIT 0x200 /* interrupt fifo half full */ +/* enable interrupt on dma terminal count */ +#define DMA_INTR_EN_BIT 0x800 +#define DMA_DEM_EN_BIT 0x1000 /* enables demand mode dma */ #define I8253_BASE_REG 0x14 struct a2150_board { const char *name; - int clock[4]; /* master clock periods, in nanoseconds */ - int num_clocks; /* number of available master clock speeds */ - int ai_speed; /* maximum conversion rate in nanoseconds */ + int clock[4]; /* master clock periods, in nanoseconds */ + int num_clocks; /* number of available master clock speeds */ + int ai_speed; /* maximum conversion rate in nanoseconds */ }; /* analog input range */ @@ -144,8 +133,8 @@ static const struct a2150_board a2150_boards[] = { struct a2150_private { struct comedi_isadma *dma; unsigned int count; /* number of data points left to be taken */ - int irq_dma_bits; /* irq/dma register bits */ - int config_bits; /* config register bits */ + int irq_dma_bits; /* irq/dma register bits */ + int config_bits; /* config register bits */ }; /* interrupt service routine */ @@ -189,13 +178,13 @@ static irqreturn_t a2150_interrupt(int irq, void *d) */ residue = comedi_isadma_disable(desc->chan); - /* figure out how many points to read */ + /* figure out how many points to read */ max_points = comedi_bytes_to_samples(s, desc->size); num_points = max_points - comedi_bytes_to_samples(s, residue); if (devpriv->count < num_points && cmd->stop_src == TRIG_COUNT) num_points = devpriv->count; - /* figure out how many points will be stored next time */ + /* figure out how many points will be stored next time */ leftover = 0; if (cmd->stop_src == TRIG_NONE) { leftover = comedi_bytes_to_samples(s, desc->size); @@ -204,7 +193,8 @@ static irqreturn_t a2150_interrupt(int irq, void *d) if (leftover > max_points) leftover = max_points; } - /* there should only be a residue if collection was stopped by having + /* + * There should only be a residue if collection was stopped by having * the stop_src set to an external trigger, in which case there * will be no more data */ @@ -214,7 +204,7 @@ static irqreturn_t a2150_interrupt(int irq, void *d) for (i = 0; i < num_points; i++) { /* write data point to comedi buffer */ dpnt = buf[i]; - /* convert from 2's complement to unsigned coding */ + /* convert from 2's complement to unsigned coding */ dpnt ^= 0x8000; comedi_buf_write_samples(s, &dpnt, 1); if (cmd->stop_src == TRIG_COUNT) { @@ -244,14 +234,14 @@ static int a2150_cancel(struct comedi_device *dev, struct comedi_subdevice *s) struct comedi_isadma *dma = devpriv->dma; struct comedi_isadma_desc *desc = &dma->desc[0]; - /* disable dma on card */ + /* disable dma on card */ devpriv->irq_dma_bits &= ~DMA_INTR_EN_BIT & ~DMA_EN_BIT; outw(devpriv->irq_dma_bits, dev->iobase + IRQ_DMA_CNTRL_REG); - /* disable computer's dma */ + /* disable computer's dma */ comedi_isadma_disable(desc->chan); - /* clear fifo and reset triggering circuitry */ + /* clear fifo and reset triggering circuitry */ outw(0, dev->iobase + FIFO_RESET_REG); return 0; @@ -270,7 +260,7 @@ static int a2150_get_timing(struct comedi_device *dev, unsigned int *period, int lub_divisor_shift, lub_index, glb_divisor_shift, glb_index; int i, j; - /* initialize greatest lower and least upper bounds */ + /* initialize greatest lower and least upper bounds */ lub_divisor_shift = 3; lub_index = 0; lub = board->clock[lub_index] * (1 << lub_divisor_shift); @@ -278,19 +268,19 @@ static int a2150_get_timing(struct comedi_device *dev, unsigned int *period, glb_index = board->num_clocks - 1; glb = board->clock[glb_index] * (1 << glb_divisor_shift); - /* make sure period is in available range */ + /* make sure period is in available range */ if (*period < glb) *period = glb; if (*period > lub) *period = lub; - /* we can multiply period by 1, 2, 4, or 8, using (1 << i) */ + /* we can multiply period by 1, 2, 4, or 8, using (1 << i) */ for (i = 0; i < 4; i++) { - /* there are a maximum of 4 master clocks */ + /* there are a maximum of 4 master clocks */ for (j = 0; j < board->num_clocks; j++) { - /* temp is the period in nanosec we are evaluating */ + /* temp is the period in nanosec we are evaluating */ temp = board->clock[j] * (1 << i); - /* if it is the best match yet */ + /* if it is the best match yet */ if (temp < lub && temp >= *period) { lub_divisor_shift = i; lub_index = j; @@ -306,7 +296,7 @@ static int a2150_get_timing(struct comedi_device *dev, unsigned int *period, switch (flags & CMDF_ROUND_MASK) { case CMDF_ROUND_NEAREST: default: - /* if least upper bound is better approximation */ + /* if least upper bound is better approximation */ if (lub - *period < *period - glb) *period = lub; else @@ -320,7 +310,7 @@ static int a2150_get_timing(struct comedi_device *dev, unsigned int *period, break; } - /* set clock bits for config register appropriately */ + /* set clock bits for config register appropriately */ devpriv->config_bits &= ~CLOCK_MASK; if (*period == lub) { devpriv->config_bits |= @@ -495,7 +485,7 @@ static int a2150_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) "dma incompatible with hard real-time interrupt (CMDF_PRIORITY), aborting\n"); return -1; } - /* clear fifo and reset triggering circuitry */ + /* clear fifo and reset triggering circuitry */ outw(0, dev->iobase + FIFO_RESET_REG); /* setup chanlist */ @@ -503,7 +493,7 @@ static int a2150_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) cmd->chanlist_len) < 0) return -1; - /* setup ac/dc coupling */ + /* setup ac/dc coupling */ if (CR_AREF(cmd->chanlist[0]) == AREF_OTHER) devpriv->config_bits |= AC0_BIT; else @@ -513,18 +503,18 @@ static int a2150_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) else devpriv->config_bits &= ~AC1_BIT; - /* setup timing */ + /* setup timing */ a2150_get_timing(dev, &cmd->scan_begin_arg, cmd->flags); - /* send timing, channel, config bits */ + /* send timing, channel, config bits */ outw(devpriv->config_bits, dev->iobase + CONFIG_REG); - /* initialize number of samples remaining */ + /* initialize number of samples remaining */ devpriv->count = cmd->stop_arg * cmd->chanlist_len; comedi_isadma_disable(desc->chan); - /* set size of transfer to fill in 1/3 second */ + /* set size of transfer to fill in 1/3 second */ #define ONE_THIRD_SECOND 333333333 desc->size = comedi_bytes_per_sample(s) * cmd->chanlist_len * ONE_THIRD_SECOND / cmd->scan_begin_arg; @@ -536,40 +526,45 @@ static int a2150_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) comedi_isadma_program(desc); - /* clear dma interrupt before enabling it, to try and get rid of that - * one spurious interrupt that has been happening */ + /* + * Clear dma interrupt before enabling it, to try and get rid of + * that one spurious interrupt that has been happening. + */ outw(0x00, dev->iobase + DMA_TC_CLEAR_REG); - /* enable dma on card */ + /* enable dma on card */ devpriv->irq_dma_bits |= DMA_INTR_EN_BIT | DMA_EN_BIT; outw(devpriv->irq_dma_bits, dev->iobase + IRQ_DMA_CNTRL_REG); - /* may need to wait 72 sampling periods if timing was changed */ + /* may need to wait 72 sampling periods if timing was changed */ comedi_8254_load(dev->pacer, 2, 72, I8254_MODE0 | I8254_BINARY); - /* setup start triggering */ + /* setup start triggering */ trigger_bits = 0; - /* decide if we need to wait 72 periods for valid data */ + /* decide if we need to wait 72 periods for valid data */ if (cmd->start_src == TRIG_NOW && (old_config_bits & CLOCK_MASK) != (devpriv->config_bits & CLOCK_MASK)) { - /* set trigger source to delay trigger */ + /* set trigger source to delay trigger */ trigger_bits |= DELAY_TRIGGER_BITS; } else { - /* otherwise no delay */ + /* otherwise no delay */ trigger_bits |= POST_TRIGGER_BITS; } - /* enable external hardware trigger */ + /* enable external hardware trigger */ if (cmd->start_src == TRIG_EXT) { trigger_bits |= HW_TRIG_EN; } else if (cmd->start_src == TRIG_OTHER) { - /* XXX add support for level/slope start trigger using TRIG_OTHER */ + /* + * XXX add support for level/slope start trigger + * using TRIG_OTHER + */ dev_err(dev->class_dev, "you shouldn't see this?\n"); } - /* send trigger config bits */ + /* send trigger config bits */ outw(trigger_bits, dev->iobase + TRIGGER_REG); - /* start acquisition for soft trigger */ + /* start acquisition for soft trigger */ if (cmd->start_src == TRIG_NOW) outw(0, dev->iobase + FIFO_START_REG); @@ -596,28 +591,28 @@ static int a2150_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int n; int ret; - /* clear fifo and reset triggering circuitry */ + /* clear fifo and reset triggering circuitry */ outw(0, dev->iobase + FIFO_RESET_REG); /* setup chanlist */ if (a2150_set_chanlist(dev, CR_CHAN(insn->chanspec), 1) < 0) return -1; - /* set dc coupling */ + /* set dc coupling */ devpriv->config_bits &= ~AC0_BIT; devpriv->config_bits &= ~AC1_BIT; - /* send timing, channel, config bits */ + /* send timing, channel, config bits */ outw(devpriv->config_bits, dev->iobase + CONFIG_REG); - /* disable dma on card */ + /* disable dma on card */ devpriv->irq_dma_bits &= ~DMA_INTR_EN_BIT & ~DMA_EN_BIT; outw(devpriv->irq_dma_bits, dev->iobase + IRQ_DMA_CNTRL_REG); - /* setup start triggering */ + /* setup start triggering */ outw(0, dev->iobase + TRIGGER_REG); - /* start acquisition for soft trigger */ + /* start acquisition for soft trigger */ outw(0, dev->iobase + FIFO_START_REG); /* @@ -632,7 +627,7 @@ static int a2150_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, inw(dev->iobase + FIFO_DATA_REG); } - /* read data */ + /* read data */ for (n = 0; n < insn->n; n++) { ret = comedi_timeout(dev, s, insn, a2150_ai_eoc, 0); if (ret) @@ -642,7 +637,7 @@ static int a2150_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, data[n] ^= 0x8000; } - /* clear fifo and reset triggering circuitry */ + /* clear fifo and reset triggering circuitry */ outw(0, dev->iobase + FIFO_RESET_REG); return n; @@ -749,16 +744,16 @@ static int a2150_attach(struct comedi_device *dev, struct comedi_devconfig *it) s->cancel = a2150_cancel; } - /* set card's irq and dma levels */ + /* set card's irq and dma levels */ outw(devpriv->irq_dma_bits, dev->iobase + IRQ_DMA_CNTRL_REG); - /* reset and sync adc clock circuitry */ + /* reset and sync adc clock circuitry */ outw_p(DPD_BIT | APD_BIT, dev->iobase + CONFIG_REG); outw_p(DPD_BIT, dev->iobase + CONFIG_REG); - /* initialize configuration register */ + /* initialize configuration register */ devpriv->config_bits = 0; outw(devpriv->config_bits, dev->iobase + CONFIG_REG); - /* wait until offset calibration is done, then enable analog inputs */ + /* wait until offset calibration is done, then enable analog inputs */ for (i = 0; i < timeout; i++) { if ((DCAL_BIT & inw(dev->iobase + STATUS_REG)) == 0) break; diff --git a/drivers/staging/comedi/drivers/ni_atmio.c b/drivers/staging/comedi/drivers/ni_atmio.c index 95435b81aa55..ffcf7afce684 100644 --- a/drivers/staging/comedi/drivers/ni_atmio.c +++ b/drivers/staging/comedi/drivers/ni_atmio.c @@ -1,93 +1,84 @@ /* - comedi/drivers/ni_atmio.c - Hardware driver for NI AT-MIO E series cards - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 1997-2001 David A. Schleef <ds@schleef.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. -*/ -/* -Driver: ni_atmio -Description: National Instruments AT-MIO-E series -Author: ds -Devices: [National Instruments] AT-MIO-16E-1 (ni_atmio), - AT-MIO-16E-2, AT-MIO-16E-10, AT-MIO-16DE-10, AT-MIO-64E-3, - AT-MIO-16XE-50, AT-MIO-16XE-10, AT-AI-16XE-10 -Status: works -Updated: Thu May 1 20:03:02 CDT 2003 - -The driver has 2.6 kernel isapnp support, and -will automatically probe for a supported board if the -I/O base is left unspecified with comedi_config. -However, many of -the isapnp id numbers are unknown. If your board is not -recognized, please send the output of 'cat /proc/isapnp' -(you may need to modprobe the isa-pnp module for -/proc/isapnp to exist) so the -id numbers for your board can be added to the driver. - -Otherwise, you can use the isapnptools package to configure -your board. Use isapnp to -configure the I/O base and IRQ for the board, and then pass -the same values as -parameters in comedi_config. A sample isapnp.conf file is included -in the etc/ directory of Comedilib. - -Comedilib includes a utility to autocalibrate these boards. The -boards seem to boot into a state where the all calibration DACs -are at one extreme of their range, thus the default calibration -is terrible. Calibration at boot is strongly encouraged. - -To use the extended digital I/O on some of the boards, enable the -8255 driver when configuring the Comedi source tree. - -External triggering is supported for some events. The channel index -(scan_begin_arg, etc.) maps to PFI0 - PFI9. - -Some of the more esoteric triggering possibilities of these boards -are not supported. -*/ -/* - The real guts of the driver is in ni_mio_common.c, which is included - both here and in ni_pcimio.c - - Interrupt support added by Truxton Fulton <trux@truxton.com> - - References for specifications: - - 340747b.pdf Register Level Programmer Manual (obsolete) - 340747c.pdf Register Level Programmer Manual (new) - DAQ-STC reference manual - - Other possibly relevant info: - - 320517c.pdf User manual (obsolete) - 320517f.pdf User manual (new) - 320889a.pdf delete - 320906c.pdf maximum signal ratings - 321066a.pdf about 16x - 321791a.pdf discontinuation of at-mio-16e-10 rev. c - 321808a.pdf about at-mio-16e-10 rev P - 321837a.pdf discontinuation of at-mio-16de-10 rev d - 321838a.pdf about at-mio-16de-10 rev N - - ISSUES: - - need to deal with external reference for DAC, and other DAC - properties in board properties + * Comedi driver for NI AT-MIO E series cards + * + * COMEDI - Linux Control and Measurement Device Interface + * Copyright (C) 1997-2001 David A. Schleef <ds@schleef.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ - deal with at-mio-16de-10 revision D to N changes, etc. +/* + * Driver: ni_atmio + * Description: National Instruments AT-MIO-E series + * Author: ds + * Devices: [National Instruments] AT-MIO-16E-1 (ni_atmio), + * AT-MIO-16E-2, AT-MIO-16E-10, AT-MIO-16DE-10, AT-MIO-64E-3, + * AT-MIO-16XE-50, AT-MIO-16XE-10, AT-AI-16XE-10 + * Status: works + * Updated: Thu May 1 20:03:02 CDT 2003 + * + * The driver has 2.6 kernel isapnp support, and will automatically probe for + * a supported board if the I/O base is left unspecified with comedi_config. + * However, many of the isapnp id numbers are unknown. If your board is not + * recognized, please send the output of 'cat /proc/isapnp' (you may need to + * modprobe the isa-pnp module for /proc/isapnp to exist) so the id numbers + * for your board can be added to the driver. + * + * Otherwise, you can use the isapnptools package to configure your board. + * Use isapnp to configure the I/O base and IRQ for the board, and then pass + * the same values as parameters in comedi_config. A sample isapnp.conf file + * is included in the etc/ directory of Comedilib. + * + * Comedilib includes a utility to autocalibrate these boards. The boards + * seem to boot into a state where the all calibration DACs are at one + * extreme of their range, thus the default calibration is terrible. + * Calibration at boot is strongly encouraged. + * + * To use the extended digital I/O on some of the boards, enable the + * 8255 driver when configuring the Comedi source tree. + * + * External triggering is supported for some events. The channel index + * (scan_begin_arg, etc.) maps to PFI0 - PFI9. + * + * Some of the more esoteric triggering possibilities of these boards are + * not supported. + */ -*/ +/* + * The real guts of the driver is in ni_mio_common.c, which is included + * both here and in ni_pcimio.c + * + * Interrupt support added by Truxton Fulton <trux@truxton.com> + * + * References for specifications: + * 340747b.pdf Register Level Programmer Manual (obsolete) + * 340747c.pdf Register Level Programmer Manual (new) + * DAQ-STC reference manual + * + * Other possibly relevant info: + * 320517c.pdf User manual (obsolete) + * 320517f.pdf User manual (new) + * 320889a.pdf delete + * 320906c.pdf maximum signal ratings + * 321066a.pdf about 16x + * 321791a.pdf discontinuation of at-mio-16e-10 rev. c + * 321808a.pdf about at-mio-16e-10 rev P + * 321837a.pdf discontinuation of at-mio-16de-10 rev d + * 321838a.pdf about at-mio-16de-10 rev N + * + * ISSUES: + * - need to deal with external reference for DAC, and other DAC + * properties in board properties + * - deal with at-mio-16de-10 revision D to N changes, etc. + */ #include <linux/module.h> #include <linux/interrupt.h> @@ -98,10 +89,7 @@ are not supported. #include "ni_stc.h" #include "8255.h" -/* - * AT specific setup - */ - +/* AT specific setup */ static const struct ni_board_struct ni_boards[] = { { .name = "at-mio-16e-1", @@ -215,7 +203,7 @@ static const struct ni_board_struct ni_boards[] = { .n_adchan = 16, .ai_maxdata = 0xffff, .ai_fifo_depth = 512, - .alwaysdither = 1, /* unknown */ + .alwaysdither = 1, /* unknown */ .gainlkup = ai_gain_14, .ai_speed = 10000, .caldac = { dac8800, dac8043, ad8522 }, @@ -287,10 +275,10 @@ static const struct ni_board_struct *ni_atmio_probe(struct comedi_device *dev) } if (device_id == 255) dev_err(dev->class_dev, "can't find board\n"); - else if (device_id == 0) + else if (device_id == 0) dev_err(dev->class_dev, "EEPROM read error (?) or device not found\n"); - else + else dev_err(dev->class_dev, "unknown device ID %d -- contact author\n", device_id); diff --git a/drivers/staging/comedi/drivers/ni_atmio16d.c b/drivers/staging/comedi/drivers/ni_atmio16d.c index c3eb54622bc3..fb59b0ffbba6 100644 --- a/drivers/staging/comedi/drivers/ni_atmio16d.c +++ b/drivers/staging/comedi/drivers/ni_atmio16d.c @@ -1,25 +1,41 @@ /* - comedi/drivers/ni_atmio16d.c - Hardware driver for National Instruments AT-MIO16D board - Copyright (C) 2000 Chris R. Baugher <baugher@enteract.com> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. + * Comedi driver for National Instruments AT-MIO16D board + * Copyright (C) 2000 Chris R. Baugher <baugher@enteract.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. */ + /* -Driver: ni_atmio16d -Description: National Instruments AT-MIO-16D -Author: Chris R. Baugher <baugher@enteract.com> -Status: unknown -Devices: [National Instruments] AT-MIO-16 (atmio16), AT-MIO-16D (atmio16d) -*/ + * Driver: ni_atmio16d + * Description: National Instruments AT-MIO-16D + * Author: Chris R. Baugher <baugher@enteract.com> + * Status: unknown + * Devices: [National Instruments] AT-MIO-16 (atmio16), AT-MIO-16D (atmio16d) + * + * Configuration options: + * [0] - I/O port + * [1] - MIO irq (0 == no irq; or 3,4,5,6,7,9,10,11,12,14,15) + * [2] - DIO irq (0 == no irq; or 3,4,5,6,7,9) + * [3] - DMA1 channel (0 == no DMA; or 5,6,7) + * [4] - DMA2 channel (0 == no DMA; or 5,6,7) + * [5] - a/d mux (0=differential; 1=single) + * [6] - a/d range (0=bipolar10; 1=bipolar5; 2=unipolar10) + * [7] - dac0 range (0=bipolar; 1=unipolar) + * [8] - dac0 reference (0=internal; 1=external) + * [9] - dac0 coding (0=2's comp; 1=straight binary) + * [10] - dac1 range (same as dac0 options) + * [11] - dac1 reference (same as dac0 options) + * [12] - dac1 coding (same as dac0 options) + */ + /* * I must give credit here to Michal Dobes <dobes@tesnet.cz> who * wrote the driver for Advantec's pcl812 boards. I used the interrupt @@ -295,8 +311,10 @@ static int atmio16d_ai_cmd(struct comedi_device *dev, unsigned int sample_count, tmp, chan, gain; int i; - /* This is slowly becoming a working command interface. * - * It is still uber-experimental */ + /* + * This is slowly becoming a working command interface. + * It is still uber-experimental + */ reset_counters(dev); @@ -322,9 +340,10 @@ static int atmio16d_ai_cmd(struct comedi_device *dev, outw(tmp, dev->iobase + MUX_GAIN_REG); } - /* Now program the sample interval timer */ - /* Figure out which clock to use then get an - * appropriate timer value */ + /* + * Now program the sample interval timer. + * Figure out which clock to use then get an appropriate timer value. + */ if (cmd->convert_arg < 65536000) { base_clock = CLOCK_1_MHZ; timer = cmd->convert_arg / 1000; @@ -386,9 +405,10 @@ static int atmio16d_ai_cmd(struct comedi_device *dev, outw(devpriv->com_reg_1_state, dev->iobase + COM_REG_1); } - /* Program the scan interval timer ONLY IF SCANNING IS ENABLED */ - /* Figure out which clock to use then get an - * appropriate timer value */ + /* + * Program the scan interval timer ONLY IF SCANNING IS ENABLED. + * Figure out which clock to use then get an appropriate timer value. + */ if (cmd->chanlist_len > 1) { if (cmd->scan_begin_arg < 65536000) { base_clock = CLOCK_1_MHZ; @@ -566,38 +586,6 @@ static int atmio16d_dio_insn_config(struct comedi_device *dev, return insn->n; } -/* - options[0] - I/O port - options[1] - MIO irq - 0 == no irq - N == irq N {3,4,5,6,7,9,10,11,12,14,15} - options[2] - DIO irq - 0 == no irq - N == irq N {3,4,5,6,7,9} - options[3] - DMA1 channel - 0 == no DMA - N == DMA N {5,6,7} - options[4] - DMA2 channel - 0 == no DMA - N == DMA N {5,6,7} - - options[5] - a/d mux - 0=differential, 1=single - options[6] - a/d range - 0=bipolar10, 1=bipolar5, 2=unipolar10 - - options[7] - dac0 range - 0=bipolar, 1=unipolar - options[8] - dac0 reference - 0=internal, 1=external - options[9] - dac0 coding - 0=2's comp, 1=straight binary - - options[10] - dac1 range - options[11] - dac1 reference - options[12] - dac1 coding - */ - static int atmio16d_attach(struct comedi_device *dev, struct comedi_devconfig *it) { diff --git a/drivers/staging/comedi/drivers/ni_daq_dio24.c b/drivers/staging/comedi/drivers/ni_daq_dio24.c index d9de83ab0267..733d3fbafa4d 100644 --- a/drivers/staging/comedi/drivers/ni_daq_dio24.c +++ b/drivers/staging/comedi/drivers/ni_daq_dio24.c @@ -1,35 +1,35 @@ /* - comedi/drivers/ni_daq_dio24.c - Driver for National Instruments PCMCIA DAQ-Card DIO-24 - Copyright (C) 2002 Daniel Vecino Castel <dvecino@able.es> + * Comedi driver for National Instruments PCMCIA DAQ-Card DIO-24 + * Copyright (C) 2002 Daniel Vecino Castel <dvecino@able.es> + * + * PCMCIA crap at end of file is adapted from dummy_cs.c 1.31 + * 2001/08/24 12:13:13 from the pcmcia package. + * The initial developer of the pcmcia dummy_cs.c code is David A. Hinds + * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds + * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ - PCMCIA crap at end of file is adapted from dummy_cs.c 1.31 - 2001/08/24 12:13:13 from the pcmcia package. - The initial developer of the pcmcia dummy_cs.c code is David A. Hinds - <dahinds@users.sourceforge.net>. Portions created by David A. Hinds - are Copyright (C) 1999 David A. Hinds. All Rights Reserved. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. -*/ /* -Driver: ni_daq_dio24 -Description: National Instruments PCMCIA DAQ-Card DIO-24 -Author: Daniel Vecino Castel <dvecino@able.es> -Devices: [National Instruments] PCMCIA DAQ-Card DIO-24 (ni_daq_dio24) -Status: ? -Updated: Thu, 07 Nov 2002 21:53:06 -0800 - -This is just a wrapper around the 8255.o driver to properly handle -the PCMCIA interface. -*/ + * Driver: ni_daq_dio24 + * Description: National Instruments PCMCIA DAQ-Card DIO-24 + * Author: Daniel Vecino Castel <dvecino@able.es> + * Devices: [National Instruments] PCMCIA DAQ-Card DIO-24 (ni_daq_dio24) + * Status: ? + * Updated: Thu, 07 Nov 2002 21:53:06 -0800 + * + * This is just a wrapper around the 8255.o driver to properly handle + * the PCMCIA interface. + */ #include <linux/module.h> #include "../comedi_pcmcia.h" diff --git a/drivers/staging/comedi/drivers/ni_mio_cs.c b/drivers/staging/comedi/drivers/ni_mio_cs.c index e3d821bf2d6a..21f823179356 100644 --- a/drivers/staging/comedi/drivers/ni_mio_cs.c +++ b/drivers/staging/comedi/drivers/ni_mio_cs.c @@ -1,40 +1,39 @@ /* - comedi/drivers/ni_mio_cs.c - Hardware driver for NI PCMCIA MIO E series cards - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. -*/ -/* -Driver: ni_mio_cs -Description: National Instruments DAQCard E series -Author: ds -Status: works -Devices: [National Instruments] DAQCard-AI-16XE-50 (ni_mio_cs), - DAQCard-AI-16E-4, DAQCard-6062E, DAQCard-6024E, DAQCard-6036E -Updated: Thu Oct 23 19:43:17 CDT 2003 - -See the notes in the ni_atmio.o driver. -*/ -/* - The real guts of the driver is in ni_mio_common.c, which is - included by all the E series drivers. - - References for specifications: + * Comedi driver for NI PCMCIA MIO E series cards + * + * COMEDI - Linux Control and Measurement Device Interface + * Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ - 341080a.pdf DAQCard E Series Register Level Programmer Manual +/* + * Driver: ni_mio_cs + * Description: National Instruments DAQCard E series + * Author: ds + * Status: works + * Devices: [National Instruments] DAQCard-AI-16XE-50 (ni_mio_cs), + * DAQCard-AI-16E-4, DAQCard-6062E, DAQCard-6024E, DAQCard-6036E + * Updated: Thu Oct 23 19:43:17 CDT 2003 + * + * See the notes in the ni_atmio.o driver. + */ -*/ +/* + * The real guts of the driver is in ni_mio_common.c, which is + * included by all the E series drivers. + * + * References for specifications: + * 341080a.pdf DAQCard E Series Register Level Programmer Manual + */ #include <linux/module.h> #include <linux/delay.h> diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c index 35ef1925703f..deaa7f2d0b7c 100644 --- a/drivers/staging/comedi/drivers/ni_pcidio.c +++ b/drivers/staging/comedi/drivers/ni_pcidio.c @@ -1,50 +1,49 @@ /* - comedi/drivers/ni_pcidio.c - driver for National Instruments PCI-DIO-32HS - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 1999,2002 David A. Schleef <ds@schleef.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. -*/ + * Comedi driver for National Instruments PCI-DIO-32HS + * + * COMEDI - Linux Control and Measurement Device Interface + * Copyright (C) 1999,2002 David A. Schleef <ds@schleef.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + /* -Driver: ni_pcidio -Description: National Instruments PCI-DIO32HS, PCI-6533 -Author: ds -Status: works -Devices: [National Instruments] PCI-DIO-32HS (ni_pcidio) - [National Instruments] PXI-6533, PCI-6533 (pxi-6533) - [National Instruments] PCI-6534 (pci-6534) -Updated: Mon, 09 Jan 2012 14:27:23 +0000 - -The DIO32HS board appears as one subdevice, with 32 channels. -Each channel is individually I/O configurable. The channel order -is 0=A0, 1=A1, 2=A2, ... 8=B0, 16=C0, 24=D0. The driver only -supports simple digital I/O; no handshaking is supported. - -DMA mostly works for the PCI-DIO32HS, but only in timed input mode. - -The PCI-DIO-32HS/PCI-6533 has a configurable external trigger. Setting -scan_begin_arg to 0 or CR_EDGE triggers on the leading edge. Setting -scan_begin_arg to CR_INVERT or (CR_EDGE | CR_INVERT) triggers on the -trailing edge. - -This driver could be easily modified to support AT-MIO32HS and -AT-MIO96. - -The PCI-6534 requires a firmware upload after power-up to work, the -firmware data and instructions for loading it with comedi_config -it are contained in the -comedi_nonfree_firmware tarball available from http://www.comedi.org -*/ + * Driver: ni_pcidio + * Description: National Instruments PCI-DIO32HS, PCI-6533 + * Author: ds + * Status: works + * Devices: [National Instruments] PCI-DIO-32HS (ni_pcidio) + * [National Instruments] PXI-6533, PCI-6533 (pxi-6533) + * [National Instruments] PCI-6534 (pci-6534) + * Updated: Mon, 09 Jan 2012 14:27:23 +0000 + * + * The DIO32HS board appears as one subdevice, with 32 channels. Each + * channel is individually I/O configurable. The channel order is 0=A0, + * 1=A1, 2=A2, ... 8=B0, 16=C0, 24=D0. The driver only supports simple + * digital I/O; no handshaking is supported. + * + * DMA mostly works for the PCI-DIO32HS, but only in timed input mode. + * + * The PCI-DIO-32HS/PCI-6533 has a configurable external trigger. Setting + * scan_begin_arg to 0 or CR_EDGE triggers on the leading edge. Setting + * scan_begin_arg to CR_INVERT or (CR_EDGE | CR_INVERT) triggers on the + * trailing edge. + * + * This driver could be easily modified to support AT-MIO32HS and AT-MIO96. + * + * The PCI-6534 requires a firmware upload after power-up to work, the + * firmware data and instructions for loading it with comedi_config + * it are contained in the comedi_nonfree_firmware tarball available from + * http://www.comedi.org + */ #define USE_DMA @@ -649,8 +648,10 @@ static int ni_pcidio_cmd(struct comedi_device *dev, struct comedi_subdevice *s) writeb(1, dev->mmio + AckDelay); writeb(0x0b, dev->mmio + AckNotDelay); writeb(0x01, dev->mmio + Data1Delay); - /* manual, page 4-5: ClockSpeed comment is incorrectly listed - * on DAQOptions */ + /* + * manual, page 4-5: + * ClockSpeed comment is incorrectly listed on DAQOptions + */ writew(0, dev->mmio + ClockSpeed); writeb(0, dev->mmio + DAQOptions); } else { diff --git a/drivers/staging/comedi/drivers/ni_pcimio.c b/drivers/staging/comedi/drivers/ni_pcimio.c index d8917392b9f9..f13a2f7360b3 100644 --- a/drivers/staging/comedi/drivers/ni_pcimio.c +++ b/drivers/staging/comedi/drivers/ni_pcimio.c @@ -1,111 +1,106 @@ /* - comedi/drivers/ni_pcimio.c - Hardware driver for NI PCI-MIO E series cards + * Comedi driver for NI PCI-MIO E series cards + * + * COMEDI - Linux Control and Measurement Device Interface + * Copyright (C) 1997-8 David A. Schleef <ds@schleef.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 1997-8 David A. Schleef <ds@schleef.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. -*/ /* -Driver: ni_pcimio -Description: National Instruments PCI-MIO-E series and M series (all boards) -Author: ds, John Hallen, Frank Mori Hess, Rolf Mueller, Herbert Peremans, - Herman Bruyninckx, Terry Barnaby -Status: works -Devices: [National Instruments] PCI-MIO-16XE-50 (ni_pcimio), - PCI-MIO-16XE-10, PXI-6030E, PCI-MIO-16E-1, PCI-MIO-16E-4, PCI-6014, PCI-6040E, - PXI-6040E, PCI-6030E, PCI-6031E, PCI-6032E, PCI-6033E, PCI-6071E, PCI-6023E, - PCI-6024E, PCI-6025E, PXI-6025E, PCI-6034E, PCI-6035E, PCI-6052E, - PCI-6110, PCI-6111, PCI-6220, PCI-6221, PCI-6224, PXI-6224, - PCI-6225, PXI-6225, PCI-6229, PCI-6250, - PCI-6251, PXI-6251, PCIe-6251, PXIe-6251, - PCI-6254, PCI-6259, PCIe-6259, - PCI-6280, PCI-6281, PXI-6281, PCI-6284, PCI-6289, - PCI-6711, PXI-6711, PCI-6713, PXI-6713, - PXI-6071E, PCI-6070E, PXI-6070E, - PXI-6052E, PCI-6036E, PCI-6731, PCI-6733, PXI-6733, - PCI-6143, PXI-6143 -Updated: Mon, 09 Jan 2012 14:52:48 +0000 - -These boards are almost identical to the AT-MIO E series, except that -they use the PCI bus instead of ISA (i.e., AT). See the notes for -the ni_atmio.o driver for additional information about these boards. - -Autocalibration is supported on many of the devices, using the -comedi_calibrate (or comedi_soft_calibrate for m-series) utility. -M-Series boards do analog input and analog output calibration entirely -in software. The software calibration corrects -the analog input for offset, gain and -nonlinearity. The analog outputs are corrected for offset and gain. -See the comedilib documentation on comedi_get_softcal_converter() for -more information. - -By default, the driver uses DMA to transfer analog input data to -memory. When DMA is enabled, not all triggering features are -supported. - -Digital I/O may not work on 673x. - -Note that the PCI-6143 is a simultaineous sampling device with 8 convertors. -With this board all of the convertors perform one simultaineous sample during -a scan interval. The period for a scan is used for the convert time in a -Comedi cmd. The convert trigger source is normally set to TRIG_NOW by default. - -The RTSI trigger bus is supported on these cards on -subdevice 10. See the comedilib documentation for details. - -Information (number of channels, bits, etc.) for some devices may be -incorrect. Please check this and submit a bug if there are problems -for your device. - -SCXI is probably broken for m-series boards. - -Bugs: - - When DMA is enabled, COMEDI_EV_CONVERT does - not work correctly. + * Driver: ni_pcimio + * Description: National Instruments PCI-MIO-E series and M series (all boards) + * Author: ds, John Hallen, Frank Mori Hess, Rolf Mueller, Herbert Peremans, + * Herman Bruyninckx, Terry Barnaby + * Status: works + * Devices: [National Instruments] PCI-MIO-16XE-50 (ni_pcimio), + * PCI-MIO-16XE-10, PXI-6030E, PCI-MIO-16E-1, PCI-MIO-16E-4, PCI-6014, + * PCI-6040E, PXI-6040E, PCI-6030E, PCI-6031E, PCI-6032E, PCI-6033E, + * PCI-6071E, PCI-6023E, PCI-6024E, PCI-6025E, PXI-6025E, PCI-6034E, + * PCI-6035E, PCI-6052E, + * PCI-6110, PCI-6111, PCI-6220, PCI-6221, PCI-6224, PXI-6224, + * PCI-6225, PXI-6225, PCI-6229, PCI-6250, + * PCI-6251, PXI-6251, PCIe-6251, PXIe-6251, + * PCI-6254, PCI-6259, PCIe-6259, + * PCI-6280, PCI-6281, PXI-6281, PCI-6284, PCI-6289, + * PCI-6711, PXI-6711, PCI-6713, PXI-6713, + * PXI-6071E, PCI-6070E, PXI-6070E, + * PXI-6052E, PCI-6036E, PCI-6731, PCI-6733, PXI-6733, + * PCI-6143, PXI-6143 + * Updated: Mon, 09 Jan 2012 14:52:48 +0000 + * + * These boards are almost identical to the AT-MIO E series, except that + * they use the PCI bus instead of ISA (i.e., AT). See the notes for the + * ni_atmio.o driver for additional information about these boards. + * + * Autocalibration is supported on many of the devices, using the + * comedi_calibrate (or comedi_soft_calibrate for m-series) utility. + * M-Series boards do analog input and analog output calibration entirely + * in software. The software calibration corrects the analog input for + * offset, gain and nonlinearity. The analog outputs are corrected for + * offset and gain. See the comedilib documentation on + * comedi_get_softcal_converter() for more information. + * + * By default, the driver uses DMA to transfer analog input data to + * memory. When DMA is enabled, not all triggering features are + * supported. + * + * Digital I/O may not work on 673x. + * + * Note that the PCI-6143 is a simultaineous sampling device with 8 + * convertors. With this board all of the convertors perform one + * simultaineous sample during a scan interval. The period for a scan + * is used for the convert time in a Comedi cmd. The convert trigger + * source is normally set to TRIG_NOW by default. + * + * The RTSI trigger bus is supported on these cards on subdevice 10. + * See the comedilib documentation for details. + * + * Information (number of channels, bits, etc.) for some devices may be + * incorrect. Please check this and submit a bug if there are problems + * for your device. + * + * SCXI is probably broken for m-series boards. + * + * Bugs: + * - When DMA is enabled, COMEDI_EV_CONVERT does not work correctly. + */ -*/ /* - The PCI-MIO E series driver was originally written by - Tomasz Motylewski <...>, and ported to comedi by ds. - - References: - - 341079b.pdf PCI E Series Register-Level Programmer Manual - 340934b.pdf DAQ-STC reference manual - - 322080b.pdf 6711/6713/6715 User Manual - - 320945c.pdf PCI E Series User Manual - 322138a.pdf PCI-6052E and DAQPad-6052E User Manual - - ISSUES: - - need to deal with external reference for DAC, and other DAC - properties in board properties - - deal with at-mio-16de-10 revision D to N changes, etc. - - need to add other CALDAC type - - need to slow down DAC loading. I don't trust NI's claim that - two writes to the PCI bus slows IO enough. I would prefer to - use udelay(). Timing specs: (clock) - AD8522 30ns - DAC8043 120ns - DAC8800 60ns - MB88341 ? - -*/ + * The PCI-MIO E series driver was originally written by + * Tomasz Motylewski <...>, and ported to comedi by ds. + * + * References: + * 341079b.pdf PCI E Series Register-Level Programmer Manual + * 340934b.pdf DAQ-STC reference manual + * + * 322080b.pdf 6711/6713/6715 User Manual + * + * 320945c.pdf PCI E Series User Manual + * 322138a.pdf PCI-6052E and DAQPad-6052E User Manual + * + * ISSUES: + * - need to deal with external reference for DAC, and other DAC + * properties in board properties + * - deal with at-mio-16de-10 revision D to N changes, etc. + * - need to add other CALDAC type + * - need to slow down DAC loading. I don't trust NI's claim that + * two writes to the PCI bus slows IO enough. I would prefer to + * use udelay(). + * Timing specs: (clock) + * AD8522 30ns + * DAC8043 120ns + * DAC8800 60ns + * MB88341 ? + */ #include <linux/module.h> #include <linux/delay.h> @@ -119,13 +114,14 @@ Bugs: #define PCIDMA -/* These are not all the possible ao ranges for 628x boards. - They can do OFFSET +- REFERENCE where OFFSET can be - 0V, 5V, APFI<0,1>, or AO<0...3> and RANGE can - be 10V, 5V, 2V, 1V, APFI<0,1>, AO<0...3>. That's - 63 different possibilities. An AO channel - can not act as it's own OFFSET or REFERENCE. -*/ +/* + * These are not all the possible ao ranges for 628x boards. + * They can do OFFSET +- REFERENCE where OFFSET can be + * 0V, 5V, APFI<0,1>, or AO<0...3> and RANGE can + * be 10V, 5V, 2V, 1V, APFI<0,1>, AO<0...3>. That's + * 63 different possibilities. An AO channel + * can not act as it's own OFFSET or REFERENCE. + */ static const struct comedi_lrange range_ni_M_628x_ao = { 8, { BIP_RANGE(10), diff --git a/drivers/staging/comedi/drivers/ni_usb6501.c b/drivers/staging/comedi/drivers/ni_usb6501.c index 95b537a8ecdb..5036eebb9162 100644 --- a/drivers/staging/comedi/drivers/ni_usb6501.c +++ b/drivers/staging/comedi/drivers/ni_usb6501.c @@ -465,12 +465,12 @@ static int ni6501_alloc_usb_buffers(struct comedi_device *dev) struct ni6501_private *devpriv = dev->private; size_t size; - size = le16_to_cpu(devpriv->ep_rx->wMaxPacketSize); + size = usb_endpoint_maxp(devpriv->ep_rx); devpriv->usb_rx_buf = kzalloc(size, GFP_KERNEL); if (!devpriv->usb_rx_buf) return -ENOMEM; - size = le16_to_cpu(devpriv->ep_tx->wMaxPacketSize); + size = usb_endpoint_maxp(devpriv->ep_tx); devpriv->usb_tx_buf = kzalloc(size, GFP_KERNEL); if (!devpriv->usb_tx_buf) { kfree(devpriv->usb_rx_buf); diff --git a/drivers/staging/comedi/drivers/plx9080.h b/drivers/staging/comedi/drivers/plx9080.h index 0e20cc5c9a69..e23e63a097b5 100644 --- a/drivers/staging/comedi/drivers/plx9080.h +++ b/drivers/staging/comedi/drivers/plx9080.h @@ -60,9 +60,9 @@ struct plx_dma_desc { #define PLX_REG_LAS1RR 0x00f0 #define PLX_LASRR_IO BIT(0) /* Map to: 1=I/O, 0=Mem */ -#define PLX_LASRR_ANY32 (BIT(1) * 0) /* Locate anywhere in 32 bit */ -#define PLX_LASRR_LT1MB (BIT(1) * 1) /* Locate in 1st meg */ -#define PLX_LASRR_ANY64 (BIT(1) * 2) /* Locate anywhere in 64 bit */ +#define PLX_LASRR_MLOC_ANY32 (BIT(1) * 0) /* Locate anywhere in 32 bit */ +#define PLX_LASRR_MLOC_LT1MB (BIT(1) * 1) /* Locate in 1st meg */ +#define PLX_LASRR_MLOC_ANY64 (BIT(1) * 2) /* Locate anywhere in 64 bit */ #define PLX_LASRR_MLOC_MASK GENMASK(2, 1) /* Memory location bits */ #define PLX_LASRR_PREFETCH BIT(3) /* Memory is prefetchable */ /* bits that specify range for memory space decode bits */ @@ -89,11 +89,11 @@ struct plx_dma_desc { /* Local Bus Latency Timer */ #define PLX_MARBR_LT(x) (BIT(0) * ((x) & 0xff)) #define PLX_MARBR_LT_MASK GENMASK(7, 0) -#define PLX_MARBR_LT_SHIFT 0 +#define PLX_MARBR_TO_LT(r) ((r) & PLX_MARBR_LT_MASK) /* Local Bus Pause Timer */ #define PLX_MARBR_PT(x) (BIT(8) * ((x) & 0xff)) #define PLX_MARBR_PT_MASK GENMASK(15, 8) -#define PLX_MARBR_PT_SHIFT 8 +#define PLX_MARBR_TO_PT(r) (((r) & PLX_MARBR_PT_MASK) >> 8) /* Local Bus Latency Timer Enable */ #define PLX_MARBR_LTEN BIT(16) /* Local Bus Pause Timer Enable */ @@ -166,16 +166,15 @@ struct plx_dma_desc { #define PLX_REG_LBRD1 0x00f8 /* Memory Space Local Bus Width */ -#define PLX_LBRD_MSWIDTH8 (BIT(0) * 0) /* 8 bits wide */ -#define PLX_LBRD_MSWIDTH16 (BIT(0) * 1) /* 16 bits wide */ -#define PLX_LBRD_MSWIDTH32 (BIT(0) * 2) /* 32 bits wide */ -#define PLX_LBRD_MSWIDTH32A (BIT(0) * 3) /* 32 bits wide */ +#define PLX_LBRD_MSWIDTH_8 (BIT(0) * 0) /* 8 bits wide */ +#define PLX_LBRD_MSWIDTH_16 (BIT(0) * 1) /* 16 bits wide */ +#define PLX_LBRD_MSWIDTH_32 (BIT(0) * 2) /* 32 bits wide */ +#define PLX_LBRD_MSWIDTH_32A (BIT(0) * 3) /* 32 bits wide */ #define PLX_LBRD_MSWIDTH_MASK GENMASK(1, 0) -#define PLX_LBRD_MSWIDTH_SHIFT 0 /* Memory Space Internal Wait States */ #define PLX_LBRD_MSIWS(x) (BIT(2) * ((x) & 0xf)) #define PLX_LBRD_MSIWS_MASK GENMASK(5, 2) -#define PLX_LBRD_MSIWS_SHIFT 2 +#define PLX_LBRD_TO_MSIWS(r) (((r) & PLS_LBRD_MSIWS_MASK) >> 2) /* Memory Space Ready Input Enable */ #define PLX_LBRD_MSREADYIEN BIT(6) /* Memory Space BTERM# Input Enable */ @@ -193,18 +192,17 @@ struct plx_dma_desc { /* Prefetch Counter */ #define PLX_LBRD_PFCOUNT(x) (BIT(11) * ((x) & 0xf)) #define PLX_LBRD_PFCOUNT_MASK GENMASK(14, 11) -#define PLX_LBRD_PFCOUNT_SHIFT 11 +#define PLX_LBRD_TO_PFCOUNT(r) (((r) & PLX_LBRD_PFCOUNT_MASK) >> 11) /* Expansion ROM Space Local Bus Width (LBRD0 only) */ -#define PLX_LBRD0_EROMWIDTH8 (BIT(16) * 0) /* 8 bits wide */ -#define PLX_LBRD0_EROMWIDTH16 (BIT(16) * 1) /* 16 bits wide */ -#define PLX_LBRD0_EROMWIDTH32 (BIT(16) * 2) /* 32 bits wide */ -#define PLX_LBRD0_EROMWIDTH32A (BIT(16) * 3) /* 32 bits wide */ +#define PLX_LBRD0_EROMWIDTH_8 (BIT(16) * 0) /* 8 bits wide */ +#define PLX_LBRD0_EROMWIDTH_16 (BIT(16) * 1) /* 16 bits wide */ +#define PLX_LBRD0_EROMWIDTH_32 (BIT(16) * 2) /* 32 bits wide */ +#define PLX_LBRD0_EROMWIDTH_32A (BIT(16) * 3) /* 32 bits wide */ #define PLX_LBRD0_EROMWIDTH_MASK GENMASK(17, 16) -#define PLX_LBRD0_EROMWIDTH_SHIFT 16 /* Expansion ROM Space Internal Wait States (LBRD0 only) */ #define PLX_LBRD0_EROMIWS(x) (BIT(18) * ((x) & 0xf)) #define PLX_LBRD0_EROMIWS_MASK GENMASK(21, 18) -#define PLX_LBRD0_EROMIWS_SHIFT 18 +#define PLX_LBRD0_TO_EROMIWS(r) (((r) & PLX_LBRD0_EROMIWS_MASK) >> 18) /* Expansion ROM Space Ready Input Enable (LBDR0 only) */ #define PLX_LBRD0_EROMREADYIEN BIT(22) /* Expansion ROM Space BTERM# Input Enable (LBRD0 only) */ @@ -220,7 +218,7 @@ struct plx_dma_desc { /* PCI Target Retry Delay Clocks / 8 (LBRD0 only) */ #define PLX_LBRD0_TRDELAY(x) (BIT(28) * ((x) & 0xF)) #define PLX_LBRD0_TRDELAY_MASK GENMASK(31, 28) -#define PLX_LBRD0_TRDELAY_SHIFT 28 +#define PLX_LBRD0_TO_TRDELAY(r) (((r) & PLX_LBRD0_TRDELAY_MASK) >> 28) /* Local Range Register for Direct Master to PCI */ #define PLX_REG_DMRR 0x001c @@ -241,10 +239,10 @@ struct plx_dma_desc { /* LLOCK# Input Enable */ #define PLX_DMPBAM_LLOCKIEN BIT(2) /* Direct Master Read Prefetch Size Control (bits 12, 3) */ -#define PLX_DMPBAM_RPSIZECONT ((BIT(12) * 0) | (BIT(3) * 0)) -#define PLX_DMPBAM_RPSIZE4 ((BIT(12) * 0) | (BIT(3) * 1)) -#define PLX_DMPBAM_RPSIZE8 ((BIT(12) * 1) | (BIT(3) * 0)) -#define PLX_DMPBAM_RPSIZE16 ((BIT(12) * 1) | (BIT(3) * 1)) +#define PLX_DMPBAM_RPSIZE_CONT ((BIT(12) * 0) | (BIT(3) * 0)) +#define PLX_DMPBAM_RPSIZE_4 ((BIT(12) * 0) | (BIT(3) * 1)) +#define PLX_DMPBAM_RPSIZE_8 ((BIT(12) * 1) | (BIT(3) * 0)) +#define PLX_DMPBAM_RPSIZE_16 ((BIT(12) * 1) | (BIT(3) * 1)) #define PLX_DMPBAM_RPSIZE_MASK (BIT(12) | BIT(3)) /* Direct Master PCI Read Mode - deassert IRDY when FIFO full */ #define PLX_DMPBAM_RMIRDY BIT(4) @@ -261,10 +259,10 @@ struct plx_dma_desc { /* I/O Remap Select */ #define PLX_DMPBAM_IOREMAPSEL BIT(13) /* Direct Master Write Delay */ -#define PLX_DMPBAM_WDELAYNONE (BIT(14) * 0) -#define PLX_DMPBAM_WDELAY4 (BIT(14) * 1) -#define PLX_DMPBAM_WDELAY8 (BIT(14) * 2) -#define PLX_DMPBAM_WDELAY16 (BIT(14) * 3) +#define PLX_DMPBAM_WDELAY_NONE (BIT(14) * 0) +#define PLX_DMPBAM_WDELAY_4 (BIT(14) * 1) +#define PLX_DMPBAM_WDELAY_8 (BIT(14) * 2) +#define PLX_DMPBAM_WDELAY_16 (BIT(14) * 3) #define PLX_DMPBAM_WDELAY_MASK GENMASK(15, 14) /* Remap of Local-to-PCI Space Into PCI Address Space */ #define PLX_DMPBAM_REMAP_MASK GENMASK(31, 16) @@ -279,19 +277,19 @@ struct plx_dma_desc { /* Register Number */ #define PLX_DMCFGA_REGNUM(x) (BIT(2) * ((x) & 0x3f)) #define PLX_DMCFGA_REGNUM_MASK GENMASK(7, 2) -#define PLX_DMCFGA_REGNUM_SHIFT 2 +#define PLX_DMCFGA_TO_REGNUM(r) (((r) & PLX_DMCFGA_REGNUM_MASK) >> 2) /* Function Number */ #define PLX_DMCFGA_FUNCNUM(x) (BIT(8) * ((x) & 0x7)) #define PLX_DMCFGA_FUNCNUM_MASK GENMASK(10, 8) -#define PLX_DMCFGA_FUNCNUM_SHIFT 8 +#define PLX_DMCFGA_TO_FUNCNUM(r) (((r) & PLX_DMCFGA_FUNCNUM_MASK) >> 8) /* Device Number */ #define PLX_DMCFGA_DEVNUM(x) (BIT(11) * ((x) & 0x1f)) #define PLX_DMCFGA_DEVNUM_MASK GENMASK(15, 11) -#define PLX_DMCFGA_DEVNUM_SHIFT 11 +#define PLX_DMCFGA_TO_DEVNUM(r) (((r) & PLX_DMCFGA_DEVNUM_MASK) >> 11) /* Bus Number */ #define PLX_DMCFGA_BUSNUM(x) (BIT(16) * ((x) & 0xff)) #define PLX_DMCFGA_BUSNUM_MASK GENMASK(23, 16) -#define PLX_DMCFGA_BUSNUM_SHIFT 16 +#define PLX_DMCFGA_TO_BUSNUM(r) (((r) & PLX_DMCFGA_BUSNUM_MASK) >> 16) /* Configuration Enable */ #define PLX_DMCFGA_CONFIGEN BIT(31) @@ -402,22 +400,22 @@ struct plx_dma_desc { /* PCI Read Command Code For DMA */ #define PLX_CNTRL_CCRDMA(x) (BIT(0) * ((x) & 0xf)) #define PLX_CNTRL_CCRDMA_MASK GENMASK(3, 0) -#define PLX_CNTRL_CCRDMA_SHIFT 0 +#define PLX_CNTRL_TO_CCRDMA(r) ((r) & PLX_CNTRL_CCRDMA_MASK) #define PLX_CNTRL_CCRDMA_NORMAL PLX_CNTRL_CCRDMA(14) /* value after reset */ /* PCI Write Command Code For DMA 0 */ #define PLX_CNTRL_CCWDMA(x) (BIT(4) * ((x) & 0xf)) #define PLX_CNTRL_CCWDMA_MASK GENMASK(7, 4) -#define PLX_CNTRL_CCWDMA_SHIFT 4 +#define PLX_CNTRL_TO_CCWDMA(r) (((r) & PLX_CNTRL_CCWDMA_MASK) >> 4) #define PLX_CNTRL_CCWDMA_NORMAL PLX_CNTRL_CCWDMA(7) /* value after reset */ /* PCI Memory Read Command Code For Direct Master */ #define PLX_CNTRL_CCRDM(x) (BIT(8) * ((x) & 0xf)) #define PLX_CNTRL_CCRDM_MASK GENMASK(11, 8) -#define PLX_CNTRL_CCRDM_SHIFT 8 +#define PLX_CNTRL_TO_CCRDM(r) (((r) & PLX_CNTRL_CCRDM_MASK) >> 8) #define PLX_CNTRL_CCRDM_NORMAL PLX_CNTRL_CCRDM(6) /* value after reset */ /* PCI Memory Write Command Code For Direct Master */ #define PLX_CNTRL_CCWDM(x) (BIT(12) * ((x) & 0xf)) #define PLX_CNTRL_CCWDM_MASK GENMASK(15, 12) -#define PLX_CNTRL_CCWDM_SHIFT 12 +#define PLX_CNTRL_TO_CCWDM(r) (((r) & PLX_CNTRL_CCWDM_MASK) >> 12) #define PLX_CNTRL_CCWDM_NORMAL PLX_CNTRL_CCWDM(7) /* value after reset */ /* General Purpose Output (USERO) */ #define PLX_CNTRL_USERO BIT(16) @@ -464,16 +462,15 @@ struct plx_dma_desc { #define PLX_REG_DMAMODE1 0x0094 /* Local Bus Width */ -#define PLX_DMAMODE_WIDTH8 (BIT(0) * 0) /* 8 bits wide */ -#define PLX_DMAMODE_WIDTH16 (BIT(0) * 1) /* 16 bits wide */ -#define PLX_DMAMODE_WIDTH32 (BIT(0) * 2) /* 32 bits wide */ -#define PLX_DMAMODE_WIDTH32A (BIT(0) * 3) /* 32 bits wide */ +#define PLX_DMAMODE_WIDTH_8 (BIT(0) * 0) /* 8 bits wide */ +#define PLX_DMAMODE_WIDTH_16 (BIT(0) * 1) /* 16 bits wide */ +#define PLX_DMAMODE_WIDTH_32 (BIT(0) * 2) /* 32 bits wide */ +#define PLX_DMAMODE_WIDTH_32A (BIT(0) * 3) /* 32 bits wide */ #define PLX_DMAMODE_WIDTH_MASK GENMASK(1, 0) -#define PLX_DMAMODE_WIDTH_SHIFT 0 /* Internal Wait States */ #define PLX_DMAMODE_IWS(x) (BIT(2) * ((x) & 0xf)) #define PLX_DMAMODE_IWS_MASK GENMASK(5, 2) -#define PLX_DMAMODE_SHIFT 2 +#define PLX_DMAMODE_TO_IWS(r) (((r) & PLX_DMAMODE_IWS_MASK) >> 2) /* Ready Input Enable */ #define PLX_DMAMODE_READYIEN BIT(6) /* BTERM# Input Enable */ @@ -560,35 +557,35 @@ struct plx_dma_desc { /* DMA Channel 0 PCI-to-Local Almost Full (divided by 2, minus 1) */ #define PLX_DMATHR_C0PLAF(x) (BIT(0) * ((x) & 0xf)) #define PLX_DMATHR_C0PLAF_MASK GENMASK(3, 0) -#define PLX_DMATHR_C0PLAF_SHIFT 0 +#define PLX_DMATHR_TO_C0PLAF(r) ((r) & PLX_DMATHR_C0PLAF_MASK) /* DMA Channel 0 Local-to-PCI Almost Empty (divided by 2, minus 1) */ #define PLX_DMATHR_C0LPAE(x) (BIT(4) * ((x) & 0xf)) #define PLX_DMATHR_C0LPAE_MASK GENMASK(7, 4) -#define PLX_DMATHR_C0LPAE_SHIFT 4 +#define PLX_DMATHR_TO_C0LPAE(r) (((r) & PLX_DMATHR_C0LPAE_MASK) >> 4) /* DMA Channel 0 Local-to-PCI Almost Full (divided by 2, minus 1) */ #define PLX_DMATHR_C0LPAF(x) (BIT(8) * ((x) & 0xf)) #define PLX_DMATHR_C0LPAF_MASK GENMASK(11, 8) -#define PLX_DMATHR_C0LPAF_SHIFT 8 +#define PLX_DMATHR_TO_C0LPAF(r) (((r) & PLX_DMATHR_C0LPAF_MASK) >> 8) /* DMA Channel 0 PCI-to-Local Almost Empty (divided by 2, minus 1) */ #define PLX_DMATHR_C0PLAE(x) (BIT(12) * ((x) & 0xf)) #define PLX_DMATHR_C0PLAE_MASK GENMASK(15, 12) -#define PLX_DMATHR_C0PLAE_SHIFT 12 +#define PLX_DMATHR_TO_C0PLAE(r) (((r) & PLX_DMATHR_C0PLAE_MASK) >> 12) /* DMA Channel 1 PCI-to-Local Almost Full (divided by 2, minus 1) */ #define PLX_DMATHR_C1PLAF(x) (BIT(16) * ((x) & 0xf)) #define PLX_DMATHR_C1PLAF_MASK GENMASK(19, 16) -#define PLX_DMATHR_C1PLAF_SHIFT 16 +#define PLX_DMATHR_TO_C1PLAF(r) (((r) & PLX_DMATHR_C1PLAF_MASK) >> 16) /* DMA Channel 1 Local-to-PCI Almost Empty (divided by 2, minus 1) */ #define PLX_DMATHR_C1LPAE(x) (BIT(20) * ((x) & 0xf)) #define PLX_DMATHR_C1LPAE_MASK GENMASK(23, 20) -#define PLX_DMATHR_C1LPAE_SHIFT 20 +#define PLX_DMATHR_TO_C1LPAE(r) (((r) & PLX_DMATHR_C1LPAE_MASK) >> 20) /* DMA Channel 1 Local-to-PCI Almost Full (divided by 2, minus 1) */ #define PLX_DMATHR_C1LPAF(x) (BIT(24) * ((x) & 0xf)) #define PLX_DMATHR_C1LPAF_MASK GENMASK(27, 24) -#define PLX_DMATHR_C1LPAF_SHIFT 24 +#define PLX_DMATHR_TO_C1LPAF(r) (((r) & PLX_DMATHR_C1LPAF_MASK) >> 24) /* DMA Channel 1 PCI-to-Local Almost Empty (divided by 2, minus 1) */ #define PLX_DMATHR_C1PLAE(x) (BIT(28) * ((x) & 0xf)) #define PLX_DMATHR_C1PLAE_MASK GENMASK(31, 28) -#define PLX_DMATHR_C1PLAE_SHIFT 28 +#define PLX_DMATHR_TO_C1PLAE(r) (((r) & PLX_DMATHR_C1PLAE_MASK) >> 28) /* * Messaging Queue Registers OPLFIS, OPLFIM, IQP, OQP, MQCR, QBAR, IFHPR, diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c index 4a87b4b52400..6d89ca0b9cfc 100644 --- a/drivers/staging/comedi/drivers/s626.c +++ b/drivers/staging/comedi/drivers/s626.c @@ -2500,7 +2500,8 @@ static int s626_initialize(struct comedi_device *dev) for (i = 0; i < 2; i++) { writel(S626_I2C_CLKSEL, dev->mmio + S626_P_I2CSTAT); s626_mc_enable(dev, S626_MC2_UPLD_IIC, S626_P_MC2); - ret = comedi_timeout(dev, NULL, NULL, s626_i2c_handshake_eoc, 0); + ret = comedi_timeout(dev, NULL, + NULL, s626_i2c_handshake_eoc, 0); if (ret) return ret; } diff --git a/drivers/staging/comedi/drivers/s626.h b/drivers/staging/comedi/drivers/s626.h index 6a00a64c6f3a..4cef45263267 100644 --- a/drivers/staging/comedi/drivers/s626.h +++ b/drivers/staging/comedi/drivers/s626.h @@ -79,7 +79,7 @@ /* Address offsets, in DWORDS, from base of DMA buffer. */ #define S626_DAC_WDMABUF_OS S626_ADC_DMABUF_DWORDS -/* Interrupt enable bit in ISR and IER. */ +/* Interrupt enable bit in ISR and IER. */ #define S626_IRQ_GPIO3 0x00000040 /* IRQ enable for GPIO3. */ #define S626_IRQ_RPS1 0x10000000 #define S626_ISR_AFOU 0x00000800 @@ -329,7 +329,7 @@ * WS1-WS4 = CS* outputs. */ -#if S626_PLATFORM == S626_INTEL /* +#if (S626_PLATFORM == S626_INTEL) /* * Base ACON1 config: always run * A1 based on TSL1. */ diff --git a/drivers/staging/comedi/drivers/usbduxfast.c b/drivers/staging/comedi/drivers/usbduxfast.c index 10f94ec34536..608403c7586b 100644 --- a/drivers/staging/comedi/drivers/usbduxfast.c +++ b/drivers/staging/comedi/drivers/usbduxfast.c @@ -946,10 +946,8 @@ static int usbduxfast_auto_attach(struct comedi_device *dev, } devpriv->urb = usb_alloc_urb(0, GFP_KERNEL); - if (!devpriv->urb) { - dev_err(dev->class_dev, "Could not alloc. urb\n"); + if (!devpriv->urb) return -ENOMEM; - } devpriv->inbuf = kmalloc(SIZEINBUF, GFP_KERNEL); if (!devpriv->inbuf) diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c index 8c7393ef762d..a004aed0147a 100644 --- a/drivers/staging/comedi/drivers/vmk80xx.c +++ b/drivers/staging/comedi/drivers/vmk80xx.c @@ -177,7 +177,7 @@ static void vmk80xx_do_bulk_msg(struct comedi_device *dev) * The max packet size attributes of the K8061 * input/output endpoints are identical */ - size = le16_to_cpu(devpriv->ep_tx->wMaxPacketSize); + size = usb_endpoint_maxp(devpriv->ep_tx); usb_bulk_msg(usb, tx_pipe, devpriv->usb_tx_buf, size, NULL, devpriv->ep_tx->bInterval); @@ -199,7 +199,7 @@ static int vmk80xx_read_packet(struct comedi_device *dev) ep = devpriv->ep_rx; pipe = usb_rcvintpipe(usb, ep->bEndpointAddress); return usb_interrupt_msg(usb, pipe, devpriv->usb_rx_buf, - le16_to_cpu(ep->wMaxPacketSize), NULL, + usb_endpoint_maxp(ep), NULL, HZ * 10); } @@ -220,7 +220,7 @@ static int vmk80xx_write_packet(struct comedi_device *dev, int cmd) ep = devpriv->ep_tx; pipe = usb_sndintpipe(usb, ep->bEndpointAddress); return usb_interrupt_msg(usb, pipe, devpriv->usb_tx_buf, - le16_to_cpu(ep->wMaxPacketSize), NULL, + usb_endpoint_maxp(ep), NULL, HZ * 10); } @@ -230,7 +230,7 @@ static int vmk80xx_reset_device(struct comedi_device *dev) size_t size; int retval; - size = le16_to_cpu(devpriv->ep_tx->wMaxPacketSize); + size = usb_endpoint_maxp(devpriv->ep_tx); memset(devpriv->usb_tx_buf, 0, size); retval = vmk80xx_write_packet(dev, VMK8055_CMD_RST); if (retval) @@ -684,12 +684,12 @@ static int vmk80xx_alloc_usb_buffers(struct comedi_device *dev) struct vmk80xx_private *devpriv = dev->private; size_t size; - size = le16_to_cpu(devpriv->ep_rx->wMaxPacketSize); + size = usb_endpoint_maxp(devpriv->ep_rx); devpriv->usb_rx_buf = kzalloc(size, GFP_KERNEL); if (!devpriv->usb_rx_buf) return -ENOMEM; - size = le16_to_cpu(devpriv->ep_tx->wMaxPacketSize); + size = usb_endpoint_maxp(devpriv->ep_tx); devpriv->usb_tx_buf = kzalloc(size, GFP_KERNEL); if (!devpriv->usb_tx_buf) { kfree(devpriv->usb_rx_buf); diff --git a/drivers/staging/dgnc/dgnc_cls.c b/drivers/staging/dgnc/dgnc_cls.c index 46c050cc7dbe..4e1e0dc67f41 100644 --- a/drivers/staging/dgnc/dgnc_cls.c +++ b/drivers/staging/dgnc/dgnc_cls.c @@ -26,56 +26,6 @@ #include "dgnc_cls.h" #include "dgnc_tty.h" -static inline void cls_parse_isr(struct dgnc_board *brd, uint port); -static inline void cls_clear_break(struct channel_t *ch, int force); -static inline void cls_set_cts_flow_control(struct channel_t *ch); -static inline void cls_set_rts_flow_control(struct channel_t *ch); -static inline void cls_set_ixon_flow_control(struct channel_t *ch); -static inline void cls_set_ixoff_flow_control(struct channel_t *ch); -static inline void cls_set_no_output_flow_control(struct channel_t *ch); -static inline void cls_set_no_input_flow_control(struct channel_t *ch); -static void cls_parse_modem(struct channel_t *ch, unsigned char signals); -static void cls_tasklet(unsigned long data); -static void cls_vpd(struct dgnc_board *brd); -static void cls_uart_init(struct channel_t *ch); -static void cls_uart_off(struct channel_t *ch); -static int cls_drain(struct tty_struct *tty, uint seconds); -static void cls_param(struct tty_struct *tty); -static void cls_assert_modem_signals(struct channel_t *ch); -static void cls_flush_uart_write(struct channel_t *ch); -static void cls_flush_uart_read(struct channel_t *ch); -static void cls_disable_receiver(struct channel_t *ch); -static void cls_enable_receiver(struct channel_t *ch); -static void cls_send_break(struct channel_t *ch, int msecs); -static void cls_send_start_character(struct channel_t *ch); -static void cls_send_stop_character(struct channel_t *ch); -static void cls_copy_data_from_uart_to_queue(struct channel_t *ch); -static void cls_copy_data_from_queue_to_uart(struct channel_t *ch); -static uint cls_get_uart_bytes_left(struct channel_t *ch); -static void cls_send_immediate_char(struct channel_t *ch, unsigned char); -static irqreturn_t cls_intr(int irq, void *voidbrd); - -struct board_ops dgnc_cls_ops = { - .tasklet = cls_tasklet, - .intr = cls_intr, - .uart_init = cls_uart_init, - .uart_off = cls_uart_off, - .drain = cls_drain, - .param = cls_param, - .vpd = cls_vpd, - .assert_modem_signals = cls_assert_modem_signals, - .flush_uart_write = cls_flush_uart_write, - .flush_uart_read = cls_flush_uart_read, - .disable_receiver = cls_disable_receiver, - .enable_receiver = cls_enable_receiver, - .send_break = cls_send_break, - .send_start_character = cls_send_start_character, - .send_stop_character = cls_send_stop_character, - .copy_data_from_queue_to_uart = cls_copy_data_from_queue_to_uart, - .get_uart_bytes_left = cls_get_uart_bytes_left, - .send_immediate_char = cls_send_immediate_char -}; - static inline void cls_set_cts_flow_control(struct channel_t *ch) { unsigned char lcrb = readb(&ch->ch_cls_uart->lcr); @@ -357,6 +307,253 @@ static inline void cls_clear_break(struct channel_t *ch, int force) spin_unlock_irqrestore(&ch->ch_lock, flags); } +static void cls_copy_data_from_uart_to_queue(struct channel_t *ch) +{ + int qleft = 0; + unsigned char linestatus = 0; + unsigned char error_mask = 0; + ushort head; + ushort tail; + unsigned long flags; + + if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) + return; + + spin_lock_irqsave(&ch->ch_lock, flags); + + /* cache head and tail of queue */ + head = ch->ch_r_head; + tail = ch->ch_r_tail; + + /* Store how much space we have left in the queue */ + qleft = tail - head - 1; + if (qleft < 0) + qleft += RQUEUEMASK + 1; + + /* + * Create a mask to determine whether we should + * insert the character (if any) into our queue. + */ + if (ch->ch_c_iflag & IGNBRK) + error_mask |= UART_LSR_BI; + + while (1) { + linestatus = readb(&ch->ch_cls_uart->lsr); + + if (!(linestatus & (UART_LSR_DR))) + break; + + /* + * Discard character if we are ignoring the error mask. + */ + if (linestatus & error_mask) { + linestatus = 0; + readb(&ch->ch_cls_uart->txrx); + continue; + } + + /* + * If our queue is full, we have no choice but to drop some + * data. The assumption is that HWFLOW or SWFLOW should have + * stopped things way way before we got to this point. + * + * I decided that I wanted to ditch the oldest data first, + * I hope thats okay with everyone? Yes? Good. + */ + while (qleft < 1) { + tail = (tail + 1) & RQUEUEMASK; + ch->ch_r_tail = tail; + ch->ch_err_overrun++; + qleft++; + } + + ch->ch_equeue[head] = linestatus & (UART_LSR_BI | UART_LSR_PE + | UART_LSR_FE); + ch->ch_rqueue[head] = readb(&ch->ch_cls_uart->txrx); + + qleft--; + + if (ch->ch_equeue[head] & UART_LSR_PE) + ch->ch_err_parity++; + if (ch->ch_equeue[head] & UART_LSR_BI) + ch->ch_err_break++; + if (ch->ch_equeue[head] & UART_LSR_FE) + ch->ch_err_frame++; + + /* Add to, and flip head if needed */ + head = (head + 1) & RQUEUEMASK; + ch->ch_rxcount++; + } + + /* + * Write new final heads to channel structure. + */ + ch->ch_r_head = head & RQUEUEMASK; + ch->ch_e_head = head & EQUEUEMASK; + + spin_unlock_irqrestore(&ch->ch_lock, flags); +} + +/* Make the UART raise any of the output signals we want up */ +static void cls_assert_modem_signals(struct channel_t *ch) +{ + unsigned char out; + + if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) + return; + + out = ch->ch_mostat; + + if (ch->ch_flags & CH_LOOPBACK) + out |= UART_MCR_LOOP; + + writeb(out, &ch->ch_cls_uart->mcr); + + /* Give time for the UART to actually drop the signals */ + udelay(10); +} + +static void cls_copy_data_from_queue_to_uart(struct channel_t *ch) +{ + ushort head; + ushort tail; + int n; + int qlen; + uint len_written = 0; + unsigned long flags; + + if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) + return; + + spin_lock_irqsave(&ch->ch_lock, flags); + + /* No data to write to the UART */ + if (ch->ch_w_tail == ch->ch_w_head) + goto exit_unlock; + + /* If port is "stopped", don't send any data to the UART */ + if ((ch->ch_flags & CH_FORCED_STOP) || + (ch->ch_flags & CH_BREAK_SENDING)) + goto exit_unlock; + + if (!(ch->ch_flags & (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM))) + goto exit_unlock; + + n = 32; + + /* cache head and tail of queue */ + head = ch->ch_w_head & WQUEUEMASK; + tail = ch->ch_w_tail & WQUEUEMASK; + qlen = (head - tail) & WQUEUEMASK; + + /* Find minimum of the FIFO space, versus queue length */ + n = min(n, qlen); + + while (n > 0) { + /* + * If RTS Toggle mode is on, turn on RTS now if not already set, + * and make sure we get an event when the data transfer has + * completed. + */ + if (ch->ch_digi.digi_flags & DIGI_RTS_TOGGLE) { + if (!(ch->ch_mostat & UART_MCR_RTS)) { + ch->ch_mostat |= (UART_MCR_RTS); + cls_assert_modem_signals(ch); + } + ch->ch_tun.un_flags |= (UN_EMPTY); + } + + /* + * If DTR Toggle mode is on, turn on DTR now if not already set, + * and make sure we get an event when the data transfer has + * completed. + */ + if (ch->ch_digi.digi_flags & DIGI_DTR_TOGGLE) { + if (!(ch->ch_mostat & UART_MCR_DTR)) { + ch->ch_mostat |= (UART_MCR_DTR); + cls_assert_modem_signals(ch); + } + ch->ch_tun.un_flags |= (UN_EMPTY); + } + writeb(ch->ch_wqueue[ch->ch_w_tail], &ch->ch_cls_uart->txrx); + ch->ch_w_tail++; + ch->ch_w_tail &= WQUEUEMASK; + ch->ch_txcount++; + len_written++; + n--; + } + + if (len_written > 0) + ch->ch_flags &= ~(CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); + +exit_unlock: + spin_unlock_irqrestore(&ch->ch_lock, flags); +} + +static void cls_parse_modem(struct channel_t *ch, unsigned char signals) +{ + unsigned char msignals = signals; + unsigned long flags; + + if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) + return; + + /* + * Do altpin switching. Altpin switches DCD and DSR. + * This prolly breaks DSRPACE, so we should be more clever here. + */ + spin_lock_irqsave(&ch->ch_lock, flags); + if (ch->ch_digi.digi_flags & DIGI_ALTPIN) { + unsigned char mswap = signals; + + if (mswap & UART_MSR_DDCD) { + msignals &= ~UART_MSR_DDCD; + msignals |= UART_MSR_DDSR; + } + if (mswap & UART_MSR_DDSR) { + msignals &= ~UART_MSR_DDSR; + msignals |= UART_MSR_DDCD; + } + if (mswap & UART_MSR_DCD) { + msignals &= ~UART_MSR_DCD; + msignals |= UART_MSR_DSR; + } + if (mswap & UART_MSR_DSR) { + msignals &= ~UART_MSR_DSR; + msignals |= UART_MSR_DCD; + } + } + spin_unlock_irqrestore(&ch->ch_lock, flags); + + /* + * Scrub off lower bits. They signify delta's, which I don't + * care about + */ + signals &= 0xf0; + + spin_lock_irqsave(&ch->ch_lock, flags); + if (msignals & UART_MSR_DCD) + ch->ch_mistat |= UART_MSR_DCD; + else + ch->ch_mistat &= ~UART_MSR_DCD; + + if (msignals & UART_MSR_DSR) + ch->ch_mistat |= UART_MSR_DSR; + else + ch->ch_mistat &= ~UART_MSR_DSR; + + if (msignals & UART_MSR_RI) + ch->ch_mistat |= UART_MSR_RI; + else + ch->ch_mistat &= ~UART_MSR_RI; + + if (msignals & UART_MSR_CTS) + ch->ch_mistat |= UART_MSR_CTS; + else + ch->ch_mistat &= ~UART_MSR_CTS; + spin_unlock_irqrestore(&ch->ch_lock, flags); +} + /* Parse the ISR register for the specific port */ static inline void cls_parse_isr(struct dgnc_board *brd, uint port) { @@ -387,8 +584,6 @@ static inline void cls_parse_isr(struct dgnc_board *brd, uint port) /* Receive Interrupt pending */ if (isr & (UART_IIR_RDI | UART_IIR_RDI_TIMEOUT)) { /* Read data from uart -> queue */ - brd->intr_rx++; - ch->ch_intr_rx++; cls_copy_data_from_uart_to_queue(ch); dgnc_check_queue_flow_control(ch); } @@ -398,27 +593,48 @@ static inline void cls_parse_isr(struct dgnc_board *brd, uint port) /* Transfer data (if any) from Write Queue -> UART. */ spin_lock_irqsave(&ch->ch_lock, flags); ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); - brd->intr_tx++; - ch->ch_intr_tx++; spin_unlock_irqrestore(&ch->ch_lock, flags); cls_copy_data_from_queue_to_uart(ch); } - /* CTS/RTS change of state */ - if (isr & UART_IIR_CTSRTS) { - brd->intr_modem++; - ch->ch_intr_modem++; - /* - * Don't need to do anything, the cls_parse_modem - * below will grab the updated modem signals. - */ - } - /* Parse any modem signal changes */ cls_parse_modem(ch, readb(&ch->ch_cls_uart->msr)); } } +/* Channel lock MUST be held before calling this function! */ +static void cls_flush_uart_write(struct channel_t *ch) +{ + if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) + return; + + writeb((UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_XMIT), + &ch->ch_cls_uart->isr_fcr); + usleep_range(10, 20); + + ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); +} + +/* Channel lock MUST be held before calling this function! */ +static void cls_flush_uart_read(struct channel_t *ch) +{ + if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) + return; + + /* + * For complete POSIX compatibility, we should be purging the + * read FIFO in the UART here. + * + * However, clearing the read FIFO (UART_FCR_CLEAR_RCVR) also + * incorrectly flushes write data as well as just basically trashing the + * FIFO. + * + * Presumably, this is a bug in this UART. + */ + + udelay(10); +} + /* * cls_param() * Send any/all changes to the line to the UART. @@ -760,8 +976,6 @@ static irqreturn_t cls_intr(int irq, void *voidbrd) spin_lock_irqsave(&brd->bd_intr_lock, flags); - brd->intr_count++; - /* * Check the board's global interrupt offset to see if we * we actually do have an interrupt pending for us. @@ -804,93 +1018,6 @@ static void cls_enable_receiver(struct channel_t *ch) writeb(tmp, &ch->ch_cls_uart->ier); } -static void cls_copy_data_from_uart_to_queue(struct channel_t *ch) -{ - int qleft = 0; - unsigned char linestatus = 0; - unsigned char error_mask = 0; - ushort head; - ushort tail; - unsigned long flags; - - if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) - return; - - spin_lock_irqsave(&ch->ch_lock, flags); - - /* cache head and tail of queue */ - head = ch->ch_r_head; - tail = ch->ch_r_tail; - - /* Store how much space we have left in the queue */ - qleft = tail - head - 1; - if (qleft < 0) - qleft += RQUEUEMASK + 1; - - /* - * Create a mask to determine whether we should - * insert the character (if any) into our queue. - */ - if (ch->ch_c_iflag & IGNBRK) - error_mask |= UART_LSR_BI; - - while (1) { - linestatus = readb(&ch->ch_cls_uart->lsr); - - if (!(linestatus & (UART_LSR_DR))) - break; - - /* - * Discard character if we are ignoring the error mask. - */ - if (linestatus & error_mask) { - linestatus = 0; - readb(&ch->ch_cls_uart->txrx); - continue; - } - - /* - * If our queue is full, we have no choice but to drop some - * data. The assumption is that HWFLOW or SWFLOW should have - * stopped things way way before we got to this point. - * - * I decided that I wanted to ditch the oldest data first, - * I hope thats okay with everyone? Yes? Good. - */ - while (qleft < 1) { - tail = (tail + 1) & RQUEUEMASK; - ch->ch_r_tail = tail; - ch->ch_err_overrun++; - qleft++; - } - - ch->ch_equeue[head] = linestatus & (UART_LSR_BI | UART_LSR_PE - | UART_LSR_FE); - ch->ch_rqueue[head] = readb(&ch->ch_cls_uart->txrx); - - qleft--; - - if (ch->ch_equeue[head] & UART_LSR_PE) - ch->ch_err_parity++; - if (ch->ch_equeue[head] & UART_LSR_BI) - ch->ch_err_break++; - if (ch->ch_equeue[head] & UART_LSR_FE) - ch->ch_err_frame++; - - /* Add to, and flip head if needed */ - head = (head + 1) & RQUEUEMASK; - ch->ch_rxcount++; - } - - /* - * Write new final heads to channel structure. - */ - ch->ch_r_head = head & RQUEUEMASK; - ch->ch_e_head = head & EQUEUEMASK; - - spin_unlock_irqrestore(&ch->ch_lock, flags); -} - /* * This function basically goes to sleep for secs, or until * it gets signalled that the port has fully drained. @@ -926,199 +1053,6 @@ static int cls_drain(struct tty_struct *tty, uint seconds) ((un->un_flags & UN_EMPTY) == 0)); } -/* Channel lock MUST be held before calling this function! */ -static void cls_flush_uart_write(struct channel_t *ch) -{ - if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) - return; - - writeb((UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_XMIT), - &ch->ch_cls_uart->isr_fcr); - usleep_range(10, 20); - - ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); -} - -/* Channel lock MUST be held before calling this function! */ -static void cls_flush_uart_read(struct channel_t *ch) -{ - if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) - return; - - /* - * For complete POSIX compatibility, we should be purging the - * read FIFO in the UART here. - * - * However, clearing the read FIFO (UART_FCR_CLEAR_RCVR) also - * incorrectly flushes write data as well as just basically trashing the - * FIFO. - * - * Presumably, this is a bug in this UART. - */ - - udelay(10); -} - -static void cls_copy_data_from_queue_to_uart(struct channel_t *ch) -{ - ushort head; - ushort tail; - int n; - int qlen; - uint len_written = 0; - unsigned long flags; - - if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) - return; - - spin_lock_irqsave(&ch->ch_lock, flags); - - /* No data to write to the UART */ - if (ch->ch_w_tail == ch->ch_w_head) - goto exit_unlock; - - /* If port is "stopped", don't send any data to the UART */ - if ((ch->ch_flags & CH_FORCED_STOP) || - (ch->ch_flags & CH_BREAK_SENDING)) - goto exit_unlock; - - if (!(ch->ch_flags & (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM))) - goto exit_unlock; - - n = 32; - - /* cache head and tail of queue */ - head = ch->ch_w_head & WQUEUEMASK; - tail = ch->ch_w_tail & WQUEUEMASK; - qlen = (head - tail) & WQUEUEMASK; - - /* Find minimum of the FIFO space, versus queue length */ - n = min(n, qlen); - - while (n > 0) { - /* - * If RTS Toggle mode is on, turn on RTS now if not already set, - * and make sure we get an event when the data transfer has - * completed. - */ - if (ch->ch_digi.digi_flags & DIGI_RTS_TOGGLE) { - if (!(ch->ch_mostat & UART_MCR_RTS)) { - ch->ch_mostat |= (UART_MCR_RTS); - cls_assert_modem_signals(ch); - } - ch->ch_tun.un_flags |= (UN_EMPTY); - } - - /* - * If DTR Toggle mode is on, turn on DTR now if not already set, - * and make sure we get an event when the data transfer has - * completed. - */ - if (ch->ch_digi.digi_flags & DIGI_DTR_TOGGLE) { - if (!(ch->ch_mostat & UART_MCR_DTR)) { - ch->ch_mostat |= (UART_MCR_DTR); - cls_assert_modem_signals(ch); - } - ch->ch_tun.un_flags |= (UN_EMPTY); - } - writeb(ch->ch_wqueue[ch->ch_w_tail], &ch->ch_cls_uart->txrx); - ch->ch_w_tail++; - ch->ch_w_tail &= WQUEUEMASK; - ch->ch_txcount++; - len_written++; - n--; - } - - if (len_written > 0) - ch->ch_flags &= ~(CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); - -exit_unlock: - spin_unlock_irqrestore(&ch->ch_lock, flags); -} - -static void cls_parse_modem(struct channel_t *ch, unsigned char signals) -{ - unsigned char msignals = signals; - unsigned long flags; - - if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) - return; - - /* - * Do altpin switching. Altpin switches DCD and DSR. - * This prolly breaks DSRPACE, so we should be more clever here. - */ - spin_lock_irqsave(&ch->ch_lock, flags); - if (ch->ch_digi.digi_flags & DIGI_ALTPIN) { - unsigned char mswap = signals; - - if (mswap & UART_MSR_DDCD) { - msignals &= ~UART_MSR_DDCD; - msignals |= UART_MSR_DDSR; - } - if (mswap & UART_MSR_DDSR) { - msignals &= ~UART_MSR_DDSR; - msignals |= UART_MSR_DDCD; - } - if (mswap & UART_MSR_DCD) { - msignals &= ~UART_MSR_DCD; - msignals |= UART_MSR_DSR; - } - if (mswap & UART_MSR_DSR) { - msignals &= ~UART_MSR_DSR; - msignals |= UART_MSR_DCD; - } - } - spin_unlock_irqrestore(&ch->ch_lock, flags); - - /* - * Scrub off lower bits. They signify delta's, which I don't - * care about - */ - signals &= 0xf0; - - spin_lock_irqsave(&ch->ch_lock, flags); - if (msignals & UART_MSR_DCD) - ch->ch_mistat |= UART_MSR_DCD; - else - ch->ch_mistat &= ~UART_MSR_DCD; - - if (msignals & UART_MSR_DSR) - ch->ch_mistat |= UART_MSR_DSR; - else - ch->ch_mistat &= ~UART_MSR_DSR; - - if (msignals & UART_MSR_RI) - ch->ch_mistat |= UART_MSR_RI; - else - ch->ch_mistat &= ~UART_MSR_RI; - - if (msignals & UART_MSR_CTS) - ch->ch_mistat |= UART_MSR_CTS; - else - ch->ch_mistat &= ~UART_MSR_CTS; - spin_unlock_irqrestore(&ch->ch_lock, flags); -} - -/* Make the UART raise any of the output signals we want up */ -static void cls_assert_modem_signals(struct channel_t *ch) -{ - unsigned char out; - - if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) - return; - - out = ch->ch_mostat; - - if (ch->ch_flags & CH_LOOPBACK) - out |= UART_MCR_LOOP; - - writeb(out, &ch->ch_cls_uart->mcr); - - /* Give time for the UART to actually drop the signals */ - udelay(10); -} - static void cls_send_start_character(struct channel_t *ch) { if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) @@ -1298,3 +1232,24 @@ static void cls_vpd(struct dgnc_board *brd) iounmap(re_map_vpdbase); } + +struct board_ops dgnc_cls_ops = { + .tasklet = cls_tasklet, + .intr = cls_intr, + .uart_init = cls_uart_init, + .uart_off = cls_uart_off, + .drain = cls_drain, + .param = cls_param, + .vpd = cls_vpd, + .assert_modem_signals = cls_assert_modem_signals, + .flush_uart_write = cls_flush_uart_write, + .flush_uart_read = cls_flush_uart_read, + .disable_receiver = cls_disable_receiver, + .enable_receiver = cls_enable_receiver, + .send_break = cls_send_break, + .send_start_character = cls_send_start_character, + .send_stop_character = cls_send_stop_character, + .copy_data_from_queue_to_uart = cls_copy_data_from_queue_to_uart, + .get_uart_bytes_left = cls_get_uart_bytes_left, + .send_immediate_char = cls_send_immediate_char +}; diff --git a/drivers/staging/dgnc/dgnc_driver.c b/drivers/staging/dgnc/dgnc_driver.c index af2e835efa1b..cc6105a209fe 100644 --- a/drivers/staging/dgnc/dgnc_driver.c +++ b/drivers/staging/dgnc/dgnc_driver.c @@ -158,7 +158,7 @@ static void cleanup(bool sysfiles) * * Module unload. This is where it all ends. */ -static void dgnc_cleanup_module(void) +static void __exit dgnc_cleanup_module(void) { cleanup(true); pci_unregister_driver(&dgnc_driver); @@ -579,9 +579,6 @@ static int dgnc_finalize_board_init(struct dgnc_board *brd) { int rc = 0; - if (!brd || brd->magic != DGNC_BOARD_MAGIC) - return -ENODEV; - if (brd->irq) { rc = request_irq(brd->irq, brd->bd_ops->intr, IRQF_SHARED, "DGNC", brd); @@ -602,9 +599,6 @@ static int dgnc_finalize_board_init(struct dgnc_board *brd) */ static void dgnc_do_remap(struct dgnc_board *brd) { - if (!brd || brd->magic != DGNC_BOARD_MAGIC) - return; - brd->re_map_membase = ioremap(brd->membase, 0x1000); } diff --git a/drivers/staging/dgnc/dgnc_driver.h b/drivers/staging/dgnc/dgnc_driver.h index 95ec729fae38..88d2696b8616 100644 --- a/drivers/staging/dgnc/dgnc_driver.h +++ b/drivers/staging/dgnc/dgnc_driver.h @@ -183,10 +183,6 @@ struct dgnc_board { uint nasync; /* Number of ports on card */ uint irq; /* Interrupt request number */ - ulong intr_count; /* Count of interrupts */ - ulong intr_modem; /* Count of interrupts */ - ulong intr_tx; /* Count of interrupts */ - ulong intr_rx; /* Count of interrupts */ ulong membase; /* Start of base memory of the card */ ulong membase_end; /* End of base memory of the card */ @@ -381,10 +377,6 @@ struct channel_t { ulong ch_xon_sends; /* Count of xons transmitted */ ulong ch_xoff_sends; /* Count of xoffs transmitted */ - ulong ch_intr_modem; /* Count of interrupts */ - ulong ch_intr_tx; /* Count of interrupts */ - ulong ch_intr_rx; /* Count of interrupts */ - /* /proc/<board>/<channel> entries */ struct proc_dir_entry *proc_entry_pointer; struct dgnc_proc_entry *dgnc_channel_table; @@ -398,7 +390,7 @@ extern uint dgnc_major; /* Our driver/mgmt major */ extern int dgnc_poll_tick; /* Poll interval - 20 ms */ extern spinlock_t dgnc_global_lock; /* Driver global spinlock */ extern spinlock_t dgnc_poll_lock; /* Poll scheduling lock */ -extern uint dgnc_num_boards; /* Total number of boards */ +extern uint dgnc_num_boards; /* Total number of boards */ extern struct dgnc_board *dgnc_board[MAXBOARDS]; /* Array of board * structs */ diff --git a/drivers/staging/dgnc/dgnc_neo.c b/drivers/staging/dgnc/dgnc_neo.c index ba57e9546f72..5ef5b3e45387 100644 --- a/drivers/staging/dgnc/dgnc_neo.c +++ b/drivers/staging/dgnc/dgnc_neo.c @@ -399,8 +399,6 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port) if (isr & (UART_17158_IIR_RDI_TIMEOUT | UART_IIR_RDI)) { /* Read data from uart -> queue */ - brd->intr_rx++; - ch->ch_intr_rx++; neo_copy_data_from_uart_to_queue(ch); /* Call our tty layer to enforce queue flow control if needed. */ @@ -410,8 +408,6 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port) } if (isr & UART_IIR_THRI) { - brd->intr_tx++; - ch->ch_intr_tx++; /* Transfer data (if any) from Write Queue -> UART. */ spin_lock_irqsave(&ch->ch_lock, flags); ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); @@ -452,8 +448,6 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port) * If we get here, this means the hardware is doing auto flow control. * Check to see whether RTS/DTR or CTS/DSR caused this interrupt. */ - brd->intr_modem++; - ch->ch_intr_modem++; cause = readb(&ch->ch_neo_uart->mcr); /* Which pin is doing auto flow? RTS or DTR? */ if ((cause & 0x4) == 0) { @@ -517,8 +511,6 @@ static inline void neo_parse_lsr(struct dgnc_board *brd, uint port) ch->ch_cached_lsr |= linestatus; if (ch->ch_cached_lsr & UART_LSR_DR) { - brd->intr_rx++; - ch->ch_intr_rx++; /* Read data from uart -> queue */ neo_copy_data_from_uart_to_queue(ch); spin_lock_irqsave(&ch->ch_lock, flags); @@ -551,8 +543,6 @@ static inline void neo_parse_lsr(struct dgnc_board *brd, uint port) } if (linestatus & UART_LSR_THRE) { - brd->intr_tx++; - ch->ch_intr_tx++; spin_lock_irqsave(&ch->ch_lock, flags); ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); spin_unlock_irqrestore(&ch->ch_lock, flags); @@ -560,8 +550,6 @@ static inline void neo_parse_lsr(struct dgnc_board *brd, uint port) /* Transfer data (if any) from Write Queue -> UART. */ neo_copy_data_from_queue_to_uart(ch); } else if (linestatus & UART_17158_TX_AND_FIFO_CLR) { - brd->intr_tx++; - ch->ch_intr_tx++; spin_lock_irqsave(&ch->ch_lock, flags); ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); spin_unlock_irqrestore(&ch->ch_lock, flags); @@ -926,8 +914,6 @@ static irqreturn_t neo_intr(int irq, void *voidbrd) if (!brd || brd->magic != DGNC_BOARD_MAGIC) return IRQ_NONE; - brd->intr_count++; - /* Lock out the slow poller from running on this board. */ spin_lock_irqsave(&brd->bd_intr_lock, flags); diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c index 4eeecc992a02..31b18e6a328e 100644 --- a/drivers/staging/dgnc/dgnc_tty.c +++ b/drivers/staging/dgnc/dgnc_tty.c @@ -100,7 +100,7 @@ static void dgnc_tty_unthrottle(struct tty_struct *tty); static void dgnc_tty_flush_chars(struct tty_struct *tty); static void dgnc_tty_flush_buffer(struct tty_struct *tty); static void dgnc_tty_hangup(struct tty_struct *tty); -static int dgnc_set_modem_info(struct tty_struct *tty, unsigned int command, +static int dgnc_set_modem_info(struct channel_t *ch, unsigned int command, unsigned int __user *value); static int dgnc_get_modem_info(struct channel_t *ch, unsigned int __user *value); @@ -640,19 +640,12 @@ exit_unlock: ************************************************************************/ void dgnc_carrier(struct channel_t *ch) { - struct dgnc_board *bd; - int virt_carrier = 0; int phys_carrier = 0; if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) return; - bd = ch->ch_bd; - - if (!bd || bd->magic != DGNC_BOARD_MAGIC) - return; - if (ch->ch_mistat & UART_MSR_DCD) phys_carrier = 1; @@ -1172,17 +1165,12 @@ static int dgnc_block_til_ready(struct tty_struct *tty, struct channel_t *ch) { int retval = 0; - struct un_t *un = NULL; + struct un_t *un = tty->driver_data; unsigned long flags; uint old_flags = 0; int sleep_on_un_flags = 0; - if (!tty || tty->magic != TTY_MAGIC || !file || !ch || - ch->magic != DGNC_CHANNEL_MAGIC) - return -ENXIO; - - un = tty->driver_data; - if (!un || un->magic != DGNC_UNIT_MAGIC) + if (!file) return -ENXIO; spin_lock_irqsave(&ch->ch_lock, flags); @@ -1301,15 +1289,9 @@ static int dgnc_block_til_ready(struct tty_struct *tty, */ static void dgnc_tty_hangup(struct tty_struct *tty) { - struct un_t *un; - if (!tty || tty->magic != TTY_MAGIC) return; - un = tty->driver_data; - if (!un || un->magic != DGNC_UNIT_MAGIC) - return; - /* flush the transmit queues */ dgnc_tty_flush_buffer(tty); } @@ -1510,18 +1492,8 @@ static int dgnc_tty_chars_in_buffer(struct tty_struct *tty) * returns the new bytes_available. This only affects printer * output. */ -static int dgnc_maxcps_room(struct tty_struct *tty, int bytes_available) +static int dgnc_maxcps_room(struct channel_t *ch, int bytes_available) { - struct un_t *un = tty->driver_data; - struct channel_t *ch = un->un_ch; - - /* - * If its not the Transparent print device, return - * the full data amount. - */ - if (un->un_type != DGNC_PRINT) - return bytes_available; - if (ch->ch_digi.digi_maxcps > 0 && ch->ch_digi.digi_bufsize > 0) { int cps_limit = 0; unsigned long current_time = jiffies; @@ -1585,7 +1557,8 @@ static int dgnc_tty_write_room(struct tty_struct *tty) ret += WQUEUESIZE; /* Limit printer to maxcps */ - ret = dgnc_maxcps_room(tty, ret); + if (un->un_type != DGNC_PRINT) + ret = dgnc_maxcps_room(ch, ret); /* * If we are printer device, leave space for @@ -1677,7 +1650,8 @@ static int dgnc_tty_write(struct tty_struct *tty, * Limit printer output to maxcps overall, with bursts allowed * up to bufsize characters. */ - bufcount = dgnc_maxcps_room(tty, bufcount); + if (un->un_type != DGNC_PRINT) + bufcount = dgnc_maxcps_room(ch, bufcount); /* * Take minimum of what the user wants to send, and the @@ -1984,7 +1958,7 @@ static void dgnc_tty_send_xchar(struct tty_struct *tty, char c) static inline int dgnc_get_mstat(struct channel_t *ch) { unsigned char mstat; - int result = -EIO; + int result = 0; unsigned long flags; if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) @@ -1996,8 +1970,6 @@ static inline int dgnc_get_mstat(struct channel_t *ch) spin_unlock_irqrestore(&ch->ch_lock, flags); - result = 0; - if (mstat & UART_MCR_DTR) result |= TIOCM_DTR; if (mstat & UART_MCR_RTS) @@ -2028,32 +2000,14 @@ static int dgnc_get_modem_info(struct channel_t *ch, * * Set modem signals, called by ld. */ -static int dgnc_set_modem_info(struct tty_struct *tty, +static int dgnc_set_modem_info(struct channel_t *ch, unsigned int command, unsigned int __user *value) { - struct dgnc_board *bd; - struct channel_t *ch; - struct un_t *un; int ret = -ENXIO; unsigned int arg = 0; unsigned long flags; - if (!tty || tty->magic != TTY_MAGIC) - return ret; - - un = tty->driver_data; - if (!un || un->magic != DGNC_UNIT_MAGIC) - return ret; - - ch = un->un_ch; - if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) - return ret; - - bd = ch->ch_bd; - if (!bd || bd->magic != DGNC_BOARD_MAGIC) - return ret; - ret = get_user(arg, value); if (ret) return ret; @@ -2620,7 +2574,7 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd, case TIOCMBIC: case TIOCMSET: spin_unlock_irqrestore(&ch->ch_lock, flags); - return dgnc_set_modem_info(tty, cmd, uarg); + return dgnc_set_modem_info(ch, cmd, uarg); /* * Here are any additional ioctl's that we want to implement diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c index 3b56b2826263..f4d9000e7456 100644 --- a/drivers/staging/emxx_udc/emxx_udc.c +++ b/drivers/staging/emxx_udc/emxx_udc.c @@ -2264,9 +2264,7 @@ static int _nbu2ss_enable_controller(struct nbu2ss_udc *udc) if (udc->udc_enabled) return 0; - /* - Reset - */ + /* Reset */ _nbu2ss_bitset(&udc->p_regs->EPCTR, (DIRPD | EPC_RST)); udelay(EPC_RST_DISABLE_TIME); /* 1us wait */ diff --git a/drivers/staging/fbtft/fb_agm1264k-fl.c b/drivers/staging/fbtft/fb_agm1264k-fl.c index 82b46cd27ca7..7561385761e9 100644 --- a/drivers/staging/fbtft/fb_agm1264k-fl.c +++ b/drivers/staging/fbtft/fb_agm1264k-fl.c @@ -350,8 +350,8 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len) } } - /* 1 string = 2 pages */ - for (y = addr_win.ys_page; y <= addr_win.ye_page; ++y) { + /* 1 string = 2 pages */ + for (y = addr_win.ys_page; y <= addr_win.ye_page; ++y) { /* left half of display */ if (addr_win.xs < par->info->var.xres / 2) { construct_line_bitmap(par, buf, convert_buf, diff --git a/drivers/staging/fbtft/fb_ili9320.c b/drivers/staging/fbtft/fb_ili9320.c index 6ff222d6d6d6..278e4c7e95e5 100644 --- a/drivers/staging/fbtft/fb_ili9320.c +++ b/drivers/staging/fbtft/fb_ili9320.c @@ -29,7 +29,7 @@ #define DEFAULT_GAMMA "07 07 6 0 0 0 5 5 4 0\n" \ "07 08 4 7 5 1 2 0 7 7" -static unsigned read_devicecode(struct fbtft_par *par) +static unsigned int read_devicecode(struct fbtft_par *par) { int ret; u8 rxbuf[8] = {0, }; @@ -41,7 +41,7 @@ static unsigned read_devicecode(struct fbtft_par *par) static int init_display(struct fbtft_par *par) { - unsigned devcode; + unsigned int devcode; par->fbtftops.reset(par); diff --git a/drivers/staging/fbtft/fb_ili9325.c b/drivers/staging/fbtft/fb_ili9325.c index fdf98d37550e..c31e2e051d4a 100644 --- a/drivers/staging/fbtft/fb_ili9325.c +++ b/drivers/staging/fbtft/fb_ili9325.c @@ -32,26 +32,26 @@ #define DEFAULT_GAMMA "0F 00 7 2 0 0 6 5 4 1\n" \ "04 16 2 7 6 3 2 1 7 7" -static unsigned bt = 6; /* VGL=Vci*4 , VGH=Vci*4 */ +static unsigned int bt = 6; /* VGL=Vci*4 , VGH=Vci*4 */ module_param(bt, uint, 0); MODULE_PARM_DESC(bt, "Sets the factor used in the step-up circuits"); -static unsigned vc = 0x03; /* Vci1=Vci*0.80 */ +static unsigned int vc = 0x03; /* Vci1=Vci*0.80 */ module_param(vc, uint, 0); MODULE_PARM_DESC(vc, "Sets the ratio factor of Vci to generate the reference voltages Vci1"); -static unsigned vrh = 0x0d; /* VREG1OUT=Vci*1.85 */ +static unsigned int vrh = 0x0d; /* VREG1OUT=Vci*1.85 */ module_param(vrh, uint, 0); MODULE_PARM_DESC(vrh, "Set the amplifying rate (1.6 ~ 1.9) of Vci applied to output the VREG1OUT"); -static unsigned vdv = 0x12; /* VCOMH amplitude=VREG1OUT*0.98 */ +static unsigned int vdv = 0x12; /* VCOMH amplitude=VREG1OUT*0.98 */ module_param(vdv, uint, 0); MODULE_PARM_DESC(vdv, "Select the factor of VREG1OUT to set the amplitude of Vcom"); -static unsigned vcm = 0x0a; /* VCOMH=VREG1OUT*0.735 */ +static unsigned int vcm = 0x0a; /* VCOMH=VREG1OUT*0.735 */ module_param(vcm, uint, 0); MODULE_PARM_DESC(vcm, "Set the internal VcomH voltage"); diff --git a/drivers/staging/fbtft/fb_pcd8544.c b/drivers/staging/fbtft/fb_pcd8544.c index a6b43323f29a..a4710dc067ef 100644 --- a/drivers/staging/fbtft/fb_pcd8544.c +++ b/drivers/staging/fbtft/fb_pcd8544.c @@ -32,11 +32,11 @@ #define TXBUFLEN (84 * 6) #define DEFAULT_GAMMA "40" /* gamma controls the contrast in this driver */ -static unsigned tc; +static unsigned int tc; module_param(tc, uint, 0); MODULE_PARM_DESC(tc, "TC[1:0] Temperature coefficient: 0-3 (default: 0)"); -static unsigned bs = 4; +static unsigned int bs = 4; module_param(bs, uint, 0); MODULE_PARM_DESC(bs, "BS[2:0] Bias voltage level: 0-7 (default: 4)"); diff --git a/drivers/staging/fbtft/fb_s6d02a1.c b/drivers/staging/fbtft/fb_s6d02a1.c index 3113355062fc..774b0ff69e6d 100644 --- a/drivers/staging/fbtft/fb_s6d02a1.c +++ b/drivers/staging/fbtft/fb_s6d02a1.c @@ -113,12 +113,14 @@ static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye) #define MV BIT(5) static int set_var(struct fbtft_par *par) { - /* Memory data access control (0x36h) - RGB/BGR: - 1. Mode selection pin SRGB - RGB H/W pin for color filter setting: 0=RGB, 1=BGR - 2. MADCTL RGB bit - RGB-BGR ORDER color filter panel: 0=RGB, 1=BGR */ + /* + * Memory data access control (0x36h) + * RGB/BGR: + * 1. Mode selection pin SRGB + * RGB H/W pin for color filter setting: 0=RGB, 1=BGR + * 2. MADCTL RGB bit + * RGB-BGR ORDER color filter panel: 0=RGB, 1=BGR + */ switch (par->info->var.rotate) { case 0: write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, diff --git a/drivers/staging/fbtft/fb_s6d1121.c b/drivers/staging/fbtft/fb_s6d1121.c index d6ae76b318ad..9b1d70b218df 100644 --- a/drivers/staging/fbtft/fb_s6d1121.c +++ b/drivers/staging/fbtft/fb_s6d1121.c @@ -125,10 +125,10 @@ static int set_var(struct fbtft_par *par) } /* - Gamma string format: - PKP0 PKP1 PKP2 PKP3 PKP4 PKP5 PKP6 PKP7 PKP8 PKP9 PKP10 PKP11 VRP0 VRP1 - PKN0 PKN1 PKN2 PKN3 PKN4 PKN5 PKN6 PKN7 PRN8 PRN9 PRN10 PRN11 VRN0 VRN1 -*/ + * Gamma string format: + * PKP0 PKP1 PKP2 PKP3 PKP4 PKP5 PKP6 PKP7 PKP8 PKP9 PKP10 PKP11 VRP0 VRP1 + * PKN0 PKN1 PKN2 PKN3 PKN4 PKN5 PKN6 PKN7 PRN8 PRN9 PRN10 PRN11 VRN0 VRN1 + */ #define CURVE(num, idx) curves[num * par->gamma.num_values + idx] static int set_gamma(struct fbtft_par *par, unsigned long *curves) { diff --git a/drivers/staging/fbtft/fb_ssd1289.c b/drivers/staging/fbtft/fb_ssd1289.c index 1162c08613fa..25f9fbe1e76f 100644 --- a/drivers/staging/fbtft/fb_ssd1289.c +++ b/drivers/staging/fbtft/fb_ssd1289.c @@ -29,7 +29,7 @@ #define DEFAULT_GAMMA "02 03 2 5 7 7 4 2 4 2\n" \ "02 03 2 5 7 5 4 2 4 2" -static unsigned reg11 = 0x6040; +static unsigned int reg11 = 0x6040; module_param(reg11, uint, 0); MODULE_PARM_DESC(reg11, "Register 11h value"); @@ -131,10 +131,10 @@ static int set_var(struct fbtft_par *par) } /* - Gamma string format: - VRP0 VRP1 PRP0 PRP1 PKP0 PKP1 PKP2 PKP3 PKP4 PKP5 - VRN0 VRN1 PRN0 PRN1 PKN0 PKN1 PKN2 PKN3 PKN4 PKN5 -*/ + * Gamma string format: + * VRP0 VRP1 PRP0 PRP1 PKP0 PKP1 PKP2 PKP3 PKP4 PKP5 + * VRN0 VRN1 PRN0 PRN1 PKN0 PKN1 PKN2 PKN3 PKN4 PKN5 + */ #define CURVE(num, idx) curves[num * par->gamma.num_values + idx] static int set_gamma(struct fbtft_par *par, unsigned long *curves) { diff --git a/drivers/staging/fbtft/fb_ssd1306.c b/drivers/staging/fbtft/fb_ssd1306.c index e0b34a42c9c6..80fc57029fee 100644 --- a/drivers/staging/fbtft/fb_ssd1306.c +++ b/drivers/staging/fbtft/fb_ssd1306.c @@ -27,15 +27,15 @@ #define HEIGHT 64 /* - write_reg() caveat: - - This doesn't work because D/C has to be LOW for both values: - write_reg(par, val1, val2); - - Do it like this: - write_reg(par, val1); - write_reg(par, val2); -*/ + * write_reg() caveat: + * + * This doesn't work because D/C has to be LOW for both values: + * write_reg(par, val1, val2); + * + * Do it like this: + * write_reg(par, val1); + * write_reg(par, val2); + */ /* Init sequence taken from the Adafruit SSD1306 Arduino library */ static int init_display(struct fbtft_par *par) @@ -113,8 +113,9 @@ static int init_display(struct fbtft_par *par) write_reg(par, 0xA4); /* Set Normal Display - 0 in RAM: OFF in display panel - 1 in RAM: ON in display panel */ + * 0 in RAM: OFF in display panel + * 1 in RAM: ON in display panel + */ write_reg(par, 0xA6); /* Set Display ON */ diff --git a/drivers/staging/fbtft/fb_ssd1331.c b/drivers/staging/fbtft/fb_ssd1331.c index bd294f886c5f..1d74ac1343a8 100644 --- a/drivers/staging/fbtft/fb_ssd1331.c +++ b/drivers/staging/fbtft/fb_ssd1331.c @@ -102,26 +102,26 @@ static void write_reg8_bus8(struct fbtft_par *par, int len, ...) } /* - Grayscale Lookup Table - GS1 - GS63 - The driver Gamma curve contains the relative values between the entries - in the Lookup table. - - From datasheet: - 8.8 Gray Scale Decoder - - there are total 180 Gamma Settings (Setting 0 to Setting 180) - available for the Gray Scale table. - - The gray scale is defined in incremental way, with reference - to the length of previous table entry: - Setting of GS1 has to be >= 0 - Setting of GS2 has to be > Setting of GS1 +1 - Setting of GS3 has to be > Setting of GS2 +1 - : - Setting of GS63 has to be > Setting of GS62 +1 - -*/ + * Grayscale Lookup Table + * GS1 - GS63 + * The driver Gamma curve contains the relative values between the entries + * in the Lookup table. + * + * From datasheet: + * 8.8 Gray Scale Decoder + * + * there are total 180 Gamma Settings (Setting 0 to Setting 180) + * available for the Gray Scale table. + * + * The gray scale is defined in incremental way, with reference + * to the length of previous table entry: + * Setting of GS1 has to be >= 0 + * Setting of GS2 has to be > Setting of GS1 +1 + * Setting of GS3 has to be > Setting of GS2 +1 + * : + * Setting of GS63 has to be > Setting of GS62 +1 + * + */ static int set_gamma(struct fbtft_par *par, unsigned long *curves) { unsigned long tmp[GAMMA_NUM * GAMMA_LEN]; diff --git a/drivers/staging/fbtft/fb_ssd1351.c b/drivers/staging/fbtft/fb_ssd1351.c index cef33e439f46..8267bbbc8fcd 100644 --- a/drivers/staging/fbtft/fb_ssd1351.c +++ b/drivers/staging/fbtft/fb_ssd1351.c @@ -66,7 +66,7 @@ static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye) static int set_var(struct fbtft_par *par) { - unsigned remap; + unsigned int remap; if (par->fbtftops.init_display != init_display) { /* don't risk messing up register A0h */ diff --git a/drivers/staging/fbtft/fb_st7735r.c b/drivers/staging/fbtft/fb_st7735r.c index c5e51fe1aad5..6670f2bb62ec 100644 --- a/drivers/staging/fbtft/fb_st7735r.c +++ b/drivers/staging/fbtft/fb_st7735r.c @@ -33,35 +33,43 @@ static int default_init_sequence[] = { -2, 500, /* delay */ /* FRMCTR1 - frame rate control: normal mode - frame rate = fosc / (1 x 2 + 40) * (LINE + 2C + 2D) */ + * frame rate = fosc / (1 x 2 + 40) * (LINE + 2C + 2D) + */ -1, 0xB1, 0x01, 0x2C, 0x2D, /* FRMCTR2 - frame rate control: idle mode - frame rate = fosc / (1 x 2 + 40) * (LINE + 2C + 2D) */ + * frame rate = fosc / (1 x 2 + 40) * (LINE + 2C + 2D) + */ -1, 0xB2, 0x01, 0x2C, 0x2D, /* FRMCTR3 - frame rate control - partial mode - dot inversion mode, line inversion mode */ + * dot inversion mode, line inversion mode + */ -1, 0xB3, 0x01, 0x2C, 0x2D, 0x01, 0x2C, 0x2D, /* INVCTR - display inversion control - no inversion */ + * no inversion + */ -1, 0xB4, 0x07, /* PWCTR1 - Power Control - -4.6V, AUTO mode */ + * -4.6V, AUTO mode + */ -1, 0xC0, 0xA2, 0x02, 0x84, /* PWCTR2 - Power Control - VGH25 = 2.4C VGSEL = -10 VGH = 3 * AVDD */ + * VGH25 = 2.4C VGSEL = -10 VGH = 3 * AVDD + */ -1, 0xC1, 0xC5, /* PWCTR3 - Power Control - Opamp current small, Boost frequency */ + * Opamp current small, Boost frequency + */ -1, 0xC2, 0x0A, 0x00, /* PWCTR4 - Power Control - BCLK/2, Opamp current small & Medium low */ + * BCLK/2, Opamp current small & Medium low + */ -1, 0xC3, 0x8A, 0x2A, /* PWCTR5 - Power Control */ @@ -101,11 +109,12 @@ static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye) static int set_var(struct fbtft_par *par) { /* MADCTL - Memory data access control - RGB/BGR: - 1. Mode selection pin SRGB - RGB H/W pin for color filter setting: 0=RGB, 1=BGR - 2. MADCTL RGB bit - RGB-BGR ORDER color filter panel: 0=RGB, 1=BGR */ + * RGB/BGR: + * 1. Mode selection pin SRGB + * RGB H/W pin for color filter setting: 0=RGB, 1=BGR + * 2. MADCTL RGB bit + * RGB-BGR ORDER color filter panel: 0=RGB, 1=BGR + */ switch (par->info->var.rotate) { case 0: write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, @@ -129,10 +138,10 @@ static int set_var(struct fbtft_par *par) } /* - Gamma string format: - VRF0P VOS0P PK0P PK1P PK2P PK3P PK4P PK5P PK6P PK7P PK8P PK9P SELV0P SELV1P SELV62P SELV63P - VRF0N VOS0N PK0N PK1N PK2N PK3N PK4N PK5N PK6N PK7N PK8N PK9N SELV0N SELV1N SELV62N SELV63N -*/ + * Gamma string format: + * VRF0P VOS0P PK0P PK1P PK2P PK3P PK4P PK5P PK6P PK7P PK8P PK9P SELV0P SELV1P SELV62P SELV63P + * VRF0N VOS0N PK0N PK1N PK2N PK3N PK4N PK5N PK6N PK7N PK8N PK9N SELV0N SELV1N SELV62N SELV63N + */ #define CURVE(num, idx) curves[num * par->gamma.num_values + idx] static int set_gamma(struct fbtft_par *par, unsigned long *curves) { diff --git a/drivers/staging/fbtft/fb_tls8204.c b/drivers/staging/fbtft/fb_tls8204.c index 2183f98c8315..ea2ddacb9468 100644 --- a/drivers/staging/fbtft/fb_tls8204.c +++ b/drivers/staging/fbtft/fb_tls8204.c @@ -35,7 +35,7 @@ /* gamma is used to control contrast in this driver */ #define DEFAULT_GAMMA "40" -static unsigned bs = 4; +static unsigned int bs = 4; module_param(bs, uint, 0); MODULE_PARM_DESC(bs, "BS[2:0] Bias voltage level: 0-7 (default: 4)"); @@ -44,21 +44,21 @@ static int init_display(struct fbtft_par *par) par->fbtftops.reset(par); /* Enter extended command mode */ - write_reg(par, 0x21); /* 5:1 1 - 2:0 PD - Powerdown control: chip is active - 1:0 V - Entry mode: horizontal addressing - 0:1 H - Extended instruction set control: - extended - */ + write_reg(par, 0x21); /* 5:1 1 + * 2:0 PD - Powerdown control: chip is active + * 1:0 V - Entry mode: horizontal addressing + * 0:1 H - Extended instruction set control: + * extended + */ /* H=1 Bias system */ - write_reg(par, 0x10 | (bs & 0x7)); /* - 4:1 1 - 3:0 0 - 2:x BS2 - Bias System - 1:x BS1 - 0:x BS0 - */ + write_reg(par, 0x10 | (bs & 0x7)); + /* 4:1 1 + * 3:0 0 + * 2:x BS2 - Bias System + * 1:x BS1 + * 0:x BS0 + */ /* Set the address of the first display line. */ write_reg(par, 0x04 | (64 >> 6)); @@ -68,12 +68,12 @@ static int init_display(struct fbtft_par *par) write_reg(par, 0x20); /* H=0 Display control */ - write_reg(par, 0x08 | 4); /* - 3:1 1 - 2:1 D - DE: 10=normal mode - 1:0 0 - 0:0 E - */ + write_reg(par, 0x08 | 4); + /* 3:1 1 + * 2:1 D - DE: 10=normal mode + * 1:0 0 + * 0:0 E + */ return 0; } @@ -81,15 +81,15 @@ static int init_display(struct fbtft_par *par) static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye) { /* H=0 Set X address of RAM */ - write_reg(par, 0x80); /* 7:1 1 - 6-0: X[6:0] - 0x00 - */ + write_reg(par, 0x80); /* 7:1 1 + * 6-0: X[6:0] - 0x00 + */ /* H=0 Set Y address of RAM */ - write_reg(par, 0x40); /* 7:0 0 - 6:1 1 - 2-0: Y[2:0] - 0x0 - */ + write_reg(par, 0x40); /* 7:0 0 + * 6:1 1 + * 2-0: Y[2:0] - 0x0 + */ } static int write_vmem(struct fbtft_par *par, size_t offset, size_t len) @@ -100,8 +100,9 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len) for (y = 0; y < HEIGHT / 8; y++) { u8 *buf = par->txbuf.buf; - /* The display is 102x68 but the LCD is 84x48. Set - the write pointer at the start of each row. */ + /* The display is 102x68 but the LCD is 84x48. + * Set the write pointer at the start of each row. + */ gpio_set_value(par->gpio.dc, 0); write_reg(par, 0x80 | 0); write_reg(par, 0x40 | y); diff --git a/drivers/staging/fbtft/fb_uc1611.c b/drivers/staging/fbtft/fb_uc1611.c index e87401aacfb3..b33b73f17da4 100644 --- a/drivers/staging/fbtft/fb_uc1611.c +++ b/drivers/staging/fbtft/fb_uc1611.c @@ -41,30 +41,30 @@ */ /* BR -> actual ratio: 0-3 -> 5, 10, 11, 13 */ -static unsigned ratio = 2; +static unsigned int ratio = 2; module_param(ratio, uint, 0); MODULE_PARM_DESC(ratio, "BR[1:0] Bias voltage ratio: 0-3 (default: 2)"); -static unsigned gain = 3; +static unsigned int gain = 3; module_param(gain, uint, 0); MODULE_PARM_DESC(gain, "GN[1:0] Bias voltage gain: 0-3 (default: 3)"); -static unsigned pot = 16; +static unsigned int pot = 16; module_param(pot, uint, 0); MODULE_PARM_DESC(pot, "PM[6:0] Bias voltage pot.: 0-63 (default: 16)"); /* TC -> % compensation per deg C: 0-3 -> -.05, -.10, -.015, -.20 */ -static unsigned temp; +static unsigned int temp; module_param(temp, uint, 0); MODULE_PARM_DESC(temp, "TC[1:0] Temperature compensation: 0-3 (default: 0)"); /* PC[1:0] -> LCD capacitance: 0-3 -> <20nF, 20-28 nF, 29-40 nF, 40-56 nF */ -static unsigned load = 1; +static unsigned int load = 1; module_param(load, uint, 0); MODULE_PARM_DESC(load, "PC[1:0] Panel Loading: 0-3 (default: 1)"); /* PC[3:2] -> V_LCD: 0, 1, 3 -> ext., int. with ratio = 5, int. standard */ -static unsigned pump = 3; +static unsigned int pump = 3; module_param(pump, uint, 0); MODULE_PARM_DESC(pump, "PC[3:2] Pump control: 0,1,3 (default: 3)"); diff --git a/drivers/staging/fbtft/fb_watterott.c b/drivers/staging/fbtft/fb_watterott.c index f8cb610a7b69..a52e28a48825 100644 --- a/drivers/staging/fbtft/fb_watterott.c +++ b/drivers/staging/fbtft/fb_watterott.c @@ -67,7 +67,7 @@ static void write_reg8_bus8(struct fbtft_par *par, int len, ...) static int write_vmem(struct fbtft_par *par, size_t offset, size_t len) { - unsigned start_line, end_line; + unsigned int start_line, end_line; u16 *vmem16 = (u16 *)(par->info->screen_buffer + offset); u16 *pos = par->txbuf.buf + 1; u16 *buf16 = par->txbuf.buf + 10; @@ -104,7 +104,7 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len) static int write_vmem_8bit(struct fbtft_par *par, size_t offset, size_t len) { - unsigned start_line, end_line; + unsigned int start_line, end_line; u16 *vmem16 = (u16 *)(par->info->screen_buffer + offset); u16 *pos = par->txbuf.buf + 1; u8 *buf8 = par->txbuf.buf + 10; @@ -137,7 +137,7 @@ static int write_vmem_8bit(struct fbtft_par *par, size_t offset, size_t len) return 0; } -static unsigned firmware_version(struct fbtft_par *par) +static unsigned int firmware_version(struct fbtft_par *par) { u8 rxbuf[4] = {0, }; @@ -152,7 +152,7 @@ static unsigned firmware_version(struct fbtft_par *par) static int init_display(struct fbtft_par *par) { int ret; - unsigned version; + unsigned int version; u8 save_mode; /* enable SPI interface by having CS and MOSI low during reset */ diff --git a/drivers/staging/fbtft/fbtft-bus.c b/drivers/staging/fbtft/fbtft-bus.c index 83505bce628a..ec45043c0830 100644 --- a/drivers/staging/fbtft/fbtft-bus.c +++ b/drivers/staging/fbtft/fbtft-bus.c @@ -92,7 +92,8 @@ void fbtft_write_reg8_bus9(struct fbtft_par *par, int len, ...) if (par->spi && (par->spi->bits_per_word == 8)) { /* we're emulating 9-bit, pad start of buffer with no-ops - (assuming here that zero is a no-op) */ + * (assuming here that zero is a no-op) + */ pad = (len % 4) ? 4 - (len % 4) : 0; for (i = 0; i < pad; i++) *buf++ = 0x000; diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c index 0c1a77cafe14..d90461627552 100644 --- a/drivers/staging/fbtft/fbtft-core.c +++ b/drivers/staging/fbtft/fbtft-core.c @@ -341,8 +341,8 @@ static void fbtft_reset(struct fbtft_par *par) mdelay(120); } -static void fbtft_update_display(struct fbtft_par *par, unsigned start_line, - unsigned end_line) +static void fbtft_update_display(struct fbtft_par *par, unsigned int start_line, + unsigned int end_line) { size_t offset, len; ktime_t ts_start, ts_end; @@ -435,10 +435,10 @@ static void fbtft_mkdirty(struct fb_info *info, int y, int height) static void fbtft_deferred_io(struct fb_info *info, struct list_head *pagelist) { struct fbtft_par *par = info->par; - unsigned dirty_lines_start, dirty_lines_end; + unsigned int dirty_lines_start, dirty_lines_end; struct page *page; unsigned long index; - unsigned y_low = 0, y_high = 0; + unsigned int y_low = 0, y_high = 0; int count = 0; spin_lock(&par->dirty_lock); @@ -526,18 +526,18 @@ static ssize_t fbtft_fb_write(struct fb_info *info, const char __user *buf, } /* from pxafb.c */ -static unsigned int chan_to_field(unsigned chan, struct fb_bitfield *bf) +static unsigned int chan_to_field(unsigned int chan, struct fb_bitfield *bf) { chan &= 0xffff; chan >>= 16 - bf->length; return chan << bf->offset; } -static int fbtft_fb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, +static int fbtft_fb_setcolreg(unsigned int regno, unsigned int red, unsigned int green, + unsigned int blue, unsigned int transp, struct fb_info *info) { - unsigned val; + unsigned int val; int ret = 1; dev_dbg(info->dev, @@ -654,11 +654,11 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display, u8 *vmem = NULL; void *txbuf = NULL; void *buf = NULL; - unsigned width; - unsigned height; + unsigned int width; + unsigned int height; int txbuflen = display->txbuflen; - unsigned bpp = display->bpp; - unsigned fps = display->fps; + unsigned int bpp = display->bpp; + unsigned int fps = display->fps; int vmem_size, i; int *init_sequence = display->init_sequence; char *gamma = display->gamma; @@ -820,6 +820,8 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display, /* Transmit buffer */ if (txbuflen == -1) txbuflen = vmem_size + 2; /* add in case startbyte is used */ + if (txbuflen >= vmem_size + 2) + txbuflen = 0; #ifdef __LITTLE_ENDIAN if ((!txbuflen) && (bpp > 8)) diff --git a/drivers/staging/fbtft/fbtft.h b/drivers/staging/fbtft/fbtft.h index d3bc3943a983..89c4b5b76ce6 100644 --- a/drivers/staging/fbtft/fbtft.h +++ b/drivers/staging/fbtft/fbtft.h @@ -38,7 +38,7 @@ */ struct fbtft_gpio { char name[FBTFT_GPIO_NAME_SIZE]; - unsigned gpio; + unsigned int gpio; }; struct fbtft_par; @@ -79,7 +79,7 @@ struct fbtft_ops { void (*reset)(struct fbtft_par *par); void (*mkdirty)(struct fb_info *info, int from, int to); void (*update_display)(struct fbtft_par *par, - unsigned start_line, unsigned end_line); + unsigned int start_line, unsigned int end_line); int (*init_display)(struct fbtft_par *par); int (*blank)(struct fbtft_par *par, bool on); @@ -115,14 +115,14 @@ struct fbtft_ops { * This structure is not stored by FBTFT except for init_sequence. */ struct fbtft_display { - unsigned width; - unsigned height; - unsigned regwidth; - unsigned buswidth; - unsigned backlight; + unsigned int width; + unsigned int height; + unsigned int regwidth; + unsigned int buswidth; + unsigned int backlight; struct fbtft_ops fbtftops; - unsigned bpp; - unsigned fps; + unsigned int bpp; + unsigned int fps; int txbuflen; int *init_sequence; char *gamma; @@ -146,9 +146,9 @@ struct fbtft_display { struct fbtft_platform_data { struct fbtft_display display; const struct fbtft_gpio *gpios; - unsigned rotate; + unsigned int rotate; bool bgr; - unsigned fps; + unsigned int fps; int txbuflen; u8 startbyte; char *gamma; @@ -216,8 +216,8 @@ struct fbtft_par { u8 startbyte; struct fbtft_ops fbtftops; spinlock_t dirty_lock; - unsigned dirty_lines_start; - unsigned dirty_lines_end; + unsigned int dirty_lines_start; + unsigned int dirty_lines_end; struct { int reset; int dc; diff --git a/drivers/staging/fbtft/fbtft_device.c b/drivers/staging/fbtft/fbtft_device.c index e4a355aefb25..924abd3ac0d6 100644 --- a/drivers/staging/fbtft/fbtft_device.c +++ b/drivers/staging/fbtft/fbtft_device.c @@ -32,20 +32,20 @@ static char *name; module_param(name, charp, 0); MODULE_PARM_DESC(name, "Devicename (required). name=list => list all supported devices."); -static unsigned rotate; +static unsigned int rotate; module_param(rotate, uint, 0); MODULE_PARM_DESC(rotate, "Angle to rotate display counter clockwise: 0, 90, 180, 270"); -static unsigned busnum; +static unsigned int busnum; module_param(busnum, uint, 0); MODULE_PARM_DESC(busnum, "SPI bus number (default=0)"); -static unsigned cs; +static unsigned int cs; module_param(cs, uint, 0); MODULE_PARM_DESC(cs, "SPI chip select (default=0)"); -static unsigned speed; +static unsigned int speed; module_param(speed, uint, 0); MODULE_PARM_DESC(speed, "SPI speed (override device default)"); @@ -58,7 +58,7 @@ module_param(gpios, charp, 0); MODULE_PARM_DESC(gpios, "List of gpios. Comma separated with the form: reset:23,dc:24 (when overriding the default, all gpios must be specified)"); -static unsigned fps; +static unsigned int fps; module_param(fps, uint, 0); MODULE_PARM_DESC(fps, "Frames per second (override driver default)"); @@ -76,7 +76,7 @@ module_param(bgr, int, 0); MODULE_PARM_DESC(bgr, "BGR bit (supported by some drivers)."); -static unsigned startbyte; +static unsigned int startbyte; module_param(startbyte, uint, 0); MODULE_PARM_DESC(startbyte, "Sets the Start byte used by some SPI displays."); @@ -84,15 +84,15 @@ static bool custom; module_param(custom, bool, 0); MODULE_PARM_DESC(custom, "Add a custom display device. Use speed= argument to make it a SPI device, else platform_device"); -static unsigned width; +static unsigned int width; module_param(width, uint, 0); MODULE_PARM_DESC(width, "Display width, used with the custom argument"); -static unsigned height; +static unsigned int height; module_param(height, uint, 0); MODULE_PARM_DESC(height, "Display height, used with the custom argument"); -static unsigned buswidth = 8; +static unsigned int buswidth = 8; module_param(buswidth, uint, 0); MODULE_PARM_DESC(buswidth, "Display bus width, used with the custom argument"); @@ -106,7 +106,7 @@ module_param(debug, ulong, 0); MODULE_PARM_DESC(debug, "level: 0-7 (the remaining 29 bits is for advanced usage)"); -static unsigned verbose = 3; +static unsigned int verbose = 3; module_param(verbose, uint, 0); MODULE_PARM_DESC(verbose, "0 silent, >0 show gpios, >1 show devices, >2 show devices before (default=3)"); @@ -1215,7 +1215,8 @@ static struct fbtft_device_display displays[] = { } }, { /* This should be the last item. - Used with the custom argument */ + * Used with the custom argument + */ .name = "", .spi = &(struct spi_board_info) { .modalias = "", @@ -1306,8 +1307,9 @@ static struct fbtft_gpio fbtft_device_param_gpios[MAX_GPIOS + 1] = { }; static void fbtft_device_pdev_release(struct device *dev) { /* Needed to silence this message: -Device 'xxx' does not have a release() function, it is broken and must be fixed -*/ + * Device 'xxx' does not have a release() function, + * it is broken and must be fixed + */ } static int spi_device_found(struct device *dev, void *data) @@ -1346,7 +1348,7 @@ static void pr_p_devices(void) } #ifdef MODULE -static void fbtft_device_spi_delete(struct spi_master *master, unsigned cs) +static void fbtft_device_spi_delete(struct spi_master *master, unsigned int cs) { struct device *dev; char str[32]; diff --git a/drivers/staging/fsl-mc/bus/Makefile b/drivers/staging/fsl-mc/bus/Makefile index e7315170b7a3..38716fd5cb58 100644 --- a/drivers/staging/fsl-mc/bus/Makefile +++ b/drivers/staging/fsl-mc/bus/Makefile @@ -7,13 +7,14 @@ # obj-$(CONFIG_FSL_MC_BUS) += mc-bus-driver.o -mc-bus-driver-objs := mc-bus.o \ +mc-bus-driver-objs := fsl-mc-bus.o \ mc-sys.o \ + mc-io.o \ dprc.o \ dpmng.o \ dprc-driver.o \ - mc-allocator.o \ - mc-msi.o \ + fsl-mc-allocator.o \ + fsl-mc-msi.o \ irq-gic-v3-its-fsl-mc-msi.o \ dpmcp.o \ dpbp.o diff --git a/drivers/staging/fsl-mc/bus/dpmcp.c b/drivers/staging/fsl-mc/bus/dpmcp.c index 06440176243a..bd63baa00693 100644 --- a/drivers/staging/fsl-mc/bus/dpmcp.c +++ b/drivers/staging/fsl-mc/bus/dpmcp.c @@ -31,6 +31,7 @@ */ #include "../include/mc-sys.h" #include "../include/mc-cmd.h" + #include "dpmcp.h" #include "dpmcp-cmd.h" diff --git a/drivers/staging/fsl-mc/bus/dpmng-cmd.h b/drivers/staging/fsl-mc/bus/dpmng-cmd.h index 779bf9c25bc0..a7b77d58c8cd 100644 --- a/drivers/staging/fsl-mc/bus/dpmng-cmd.h +++ b/drivers/staging/fsl-mc/bus/dpmng-cmd.h @@ -1,4 +1,5 @@ -/* Copyright 2013-2016 Freescale Semiconductor Inc. +/* + * Copyright 2013-2016 Freescale Semiconductor Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -30,12 +31,12 @@ * POSSIBILITY OF SUCH DAMAGE. */ -/*************************************************************************//* - dpmng-cmd.h - - defines portal commands - - *//**************************************************************************/ +/* + * dpmng-cmd.h + * + * defines portal commands + * + */ #ifndef __FSL_DPMNG_CMD_H #define __FSL_DPMNG_CMD_H diff --git a/drivers/staging/fsl-mc/bus/dpmng.c b/drivers/staging/fsl-mc/bus/dpmng.c index 660bbe7ea899..669f604ada7c 100644 --- a/drivers/staging/fsl-mc/bus/dpmng.c +++ b/drivers/staging/fsl-mc/bus/dpmng.c @@ -32,6 +32,7 @@ #include "../include/mc-sys.h" #include "../include/mc-cmd.h" #include "../include/dpmng.h" + #include "dpmng-cmd.h" /** diff --git a/drivers/staging/fsl-mc/bus/dprc-cmd.h b/drivers/staging/fsl-mc/bus/dprc-cmd.h index bb127f4a3ae7..009d65673155 100644 --- a/drivers/staging/fsl-mc/bus/dprc-cmd.h +++ b/drivers/staging/fsl-mc/bus/dprc-cmd.h @@ -1,4 +1,5 @@ -/* Copyright 2013-2016 Freescale Semiconductor Inc. +/* + * Copyright 2013-2016 Freescale Semiconductor Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -30,12 +31,12 @@ * POSSIBILITY OF SUCH DAMAGE. */ -/*************************************************************************//* - dprc-cmd.h - - defines dprc portal commands - - *//**************************************************************************/ +/* + * dprc-cmd.h + * + * defines dprc portal commands + * + */ #ifndef _FSL_DPRC_CMD_H #define _FSL_DPRC_CMD_H diff --git a/drivers/staging/fsl-mc/bus/dprc-driver.c b/drivers/staging/fsl-mc/bus/dprc-driver.c index d2a71f14bf72..c5ee4639682b 100644 --- a/drivers/staging/fsl-mc/bus/dprc-driver.c +++ b/drivers/staging/fsl-mc/bus/dprc-driver.c @@ -9,13 +9,21 @@ * warranty of any kind, whether express or implied. */ -#include "../include/mc-private.h" -#include "../include/mc-sys.h" #include <linux/module.h> #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/msi.h> +#include "../include/mc-bus.h" +#include "../include/mc-sys.h" + #include "dprc-cmd.h" +#include "fsl-mc-private.h" + +#define FSL_MC_DPRC_DRIVER_NAME "fsl_mc_dprc" + +#define FSL_MC_DEVICE_MATCH(_mc_dev, _obj_desc) \ + (strcmp((_mc_dev)->obj_desc.type, (_obj_desc)->type) == 0 && \ + (_mc_dev)->obj_desc.id == (_obj_desc)->id) struct dprc_child_objs { int child_count; @@ -190,55 +198,6 @@ static void dprc_add_new_devices(struct fsl_mc_device *mc_bus_dev, } } -static void dprc_init_all_resource_pools(struct fsl_mc_device *mc_bus_dev) -{ - int pool_type; - struct fsl_mc_bus *mc_bus = to_fsl_mc_bus(mc_bus_dev); - - for (pool_type = 0; pool_type < FSL_MC_NUM_POOL_TYPES; pool_type++) { - struct fsl_mc_resource_pool *res_pool = - &mc_bus->resource_pools[pool_type]; - - res_pool->type = pool_type; - res_pool->max_count = 0; - res_pool->free_count = 0; - res_pool->mc_bus = mc_bus; - INIT_LIST_HEAD(&res_pool->free_list); - mutex_init(&res_pool->mutex); - } -} - -static void dprc_cleanup_resource_pool(struct fsl_mc_device *mc_bus_dev, - enum fsl_mc_pool_type pool_type) -{ - struct fsl_mc_resource *resource; - struct fsl_mc_resource *next; - struct fsl_mc_bus *mc_bus = to_fsl_mc_bus(mc_bus_dev); - struct fsl_mc_resource_pool *res_pool = - &mc_bus->resource_pools[pool_type]; - int free_count = 0; - - WARN_ON(res_pool->type != pool_type); - WARN_ON(res_pool->free_count != res_pool->max_count); - - list_for_each_entry_safe(resource, next, &res_pool->free_list, node) { - free_count++; - WARN_ON(resource->type != res_pool->type); - WARN_ON(resource->parent_pool != res_pool); - devm_kfree(&mc_bus_dev->dev, resource); - } - - WARN_ON(free_count != res_pool->free_count); -} - -static void dprc_cleanup_all_resource_pools(struct fsl_mc_device *mc_bus_dev) -{ - int pool_type; - - for (pool_type = 0; pool_type < FSL_MC_NUM_POOL_TYPES; pool_type++) - dprc_cleanup_resource_pool(mc_bus_dev, pool_type); -} - /** * dprc_scan_objects - Discover objects in a DPRC * @@ -363,7 +322,7 @@ int dprc_scan_container(struct fsl_mc_device *mc_bus_dev) unsigned int irq_count; struct fsl_mc_bus *mc_bus = to_fsl_mc_bus(mc_bus_dev); - dprc_init_all_resource_pools(mc_bus_dev); + fsl_mc_init_all_resource_pools(mc_bus_dev); /* * Discover objects in the DPRC: @@ -390,7 +349,7 @@ int dprc_scan_container(struct fsl_mc_device *mc_bus_dev) return 0; error: - dprc_cleanup_all_resource_pools(mc_bus_dev); + fsl_mc_cleanup_all_resource_pools(mc_bus_dev); return error; } EXPORT_SYMBOL_GPL(dprc_scan_container); @@ -649,7 +608,7 @@ static int dprc_probe(struct fsl_mc_device *mc_dev) /* * This is a child DPRC: */ - if (WARN_ON(parent_dev->bus != &fsl_mc_bus_type)) + if (WARN_ON(!dev_is_fsl_mc(parent_dev))) return -EINVAL; if (WARN_ON(mc_dev->obj_desc.region_count == 0)) @@ -681,7 +640,7 @@ static int dprc_probe(struct fsl_mc_device *mc_dev) */ struct irq_domain *mc_msi_domain; - if (WARN_ON(parent_dev->bus == &fsl_mc_bus_type)) + if (WARN_ON(dev_is_fsl_mc(parent_dev))) return -EINVAL; error = fsl_mc_find_msi_domain(parent_dev, @@ -802,7 +761,7 @@ static int dprc_remove(struct fsl_mc_device *mc_dev) dev_set_msi_domain(&mc_dev->dev, NULL); } - dprc_cleanup_all_resource_pools(mc_dev); + fsl_mc_cleanup_all_resource_pools(mc_dev); error = dprc_close(mc_dev->mc_io, 0, mc_dev->mc_handle); if (error < 0) diff --git a/drivers/staging/fsl-mc/bus/dprc.c b/drivers/staging/fsl-mc/bus/dprc.c index c26054981333..ac4ed3517084 100644 --- a/drivers/staging/fsl-mc/bus/dprc.c +++ b/drivers/staging/fsl-mc/bus/dprc.c @@ -32,6 +32,7 @@ #include "../include/mc-sys.h" #include "../include/mc-cmd.h" #include "../include/dprc.h" + #include "dprc-cmd.h" /** diff --git a/drivers/staging/fsl-mc/bus/mc-allocator.c b/drivers/staging/fsl-mc/bus/fsl-mc-allocator.c index e59d85060c7b..2004fa7f5091 100644 --- a/drivers/staging/fsl-mc/bus/mc-allocator.c +++ b/drivers/staging/fsl-mc/bus/fsl-mc-allocator.c @@ -8,14 +8,19 @@ * warranty of any kind, whether express or implied. */ -#include "../include/mc-private.h" -#include "../include/mc-sys.h" #include <linux/module.h> +#include <linux/msi.h> +#include "../include/mc-bus.h" +#include "../include/mc-sys.h" #include "../include/dpbp-cmd.h" #include "../include/dpcon-cmd.h" -#include "dpmcp-cmd.h" -#include "dpmcp.h" -#include <linux/msi.h> + +#include "fsl-mc-private.h" + +#define FSL_MC_IS_ALLOCATABLE(_obj_type) \ + (strcmp(_obj_type, "dpbp") == 0 || \ + strcmp(_obj_type, "dpmcp") == 0 || \ + strcmp(_obj_type, "dpcon") == 0) /** * fsl_mc_resource_pool_add_device - add allocatable device to a resource @@ -252,144 +257,6 @@ out_unlock: EXPORT_SYMBOL_GPL(fsl_mc_resource_free); /** - * fsl_mc_portal_allocate - Allocates an MC portal - * - * @mc_dev: MC device for which the MC portal is to be allocated - * @mc_io_flags: Flags for the fsl_mc_io object that wraps the allocated - * MC portal. - * @new_mc_io: Pointer to area where the pointer to the fsl_mc_io object - * that wraps the allocated MC portal is to be returned - * - * This function allocates an MC portal from the device's parent DPRC, - * from the corresponding MC bus' pool of MC portals and wraps - * it in a new fsl_mc_io object. If 'mc_dev' is a DPRC itself, the - * portal is allocated from its own MC bus. - */ -int __must_check fsl_mc_portal_allocate(struct fsl_mc_device *mc_dev, - u16 mc_io_flags, - struct fsl_mc_io **new_mc_io) -{ - struct fsl_mc_device *mc_bus_dev; - struct fsl_mc_bus *mc_bus; - phys_addr_t mc_portal_phys_addr; - size_t mc_portal_size; - struct fsl_mc_device *dpmcp_dev; - int error = -EINVAL; - struct fsl_mc_resource *resource = NULL; - struct fsl_mc_io *mc_io = NULL; - - if (mc_dev->flags & FSL_MC_IS_DPRC) { - mc_bus_dev = mc_dev; - } else { - if (WARN_ON(mc_dev->dev.parent->bus != &fsl_mc_bus_type)) - return error; - - mc_bus_dev = to_fsl_mc_device(mc_dev->dev.parent); - } - - mc_bus = to_fsl_mc_bus(mc_bus_dev); - *new_mc_io = NULL; - error = fsl_mc_resource_allocate(mc_bus, FSL_MC_POOL_DPMCP, &resource); - if (error < 0) - return error; - - error = -EINVAL; - dpmcp_dev = resource->data; - if (WARN_ON(!dpmcp_dev)) - goto error_cleanup_resource; - - if (dpmcp_dev->obj_desc.ver_major < DPMCP_MIN_VER_MAJOR || - (dpmcp_dev->obj_desc.ver_major == DPMCP_MIN_VER_MAJOR && - dpmcp_dev->obj_desc.ver_minor < DPMCP_MIN_VER_MINOR)) { - dev_err(&dpmcp_dev->dev, - "ERROR: Version %d.%d of DPMCP not supported.\n", - dpmcp_dev->obj_desc.ver_major, - dpmcp_dev->obj_desc.ver_minor); - error = -ENOTSUPP; - goto error_cleanup_resource; - } - - if (WARN_ON(dpmcp_dev->obj_desc.region_count == 0)) - goto error_cleanup_resource; - - mc_portal_phys_addr = dpmcp_dev->regions[0].start; - mc_portal_size = dpmcp_dev->regions[0].end - - dpmcp_dev->regions[0].start + 1; - - if (WARN_ON(mc_portal_size != mc_bus_dev->mc_io->portal_size)) - goto error_cleanup_resource; - - error = fsl_create_mc_io(&mc_bus_dev->dev, - mc_portal_phys_addr, - mc_portal_size, dpmcp_dev, - mc_io_flags, &mc_io); - if (error < 0) - goto error_cleanup_resource; - - *new_mc_io = mc_io; - return 0; - -error_cleanup_resource: - fsl_mc_resource_free(resource); - return error; -} -EXPORT_SYMBOL_GPL(fsl_mc_portal_allocate); - -/** - * fsl_mc_portal_free - Returns an MC portal to the pool of free MC portals - * of a given MC bus - * - * @mc_io: Pointer to the fsl_mc_io object that wraps the MC portal to free - */ -void fsl_mc_portal_free(struct fsl_mc_io *mc_io) -{ - struct fsl_mc_device *dpmcp_dev; - struct fsl_mc_resource *resource; - - /* - * Every mc_io obtained by calling fsl_mc_portal_allocate() is supposed - * to have a DPMCP object associated with. - */ - dpmcp_dev = mc_io->dpmcp_dev; - if (WARN_ON(!dpmcp_dev)) - return; - - resource = dpmcp_dev->resource; - if (WARN_ON(!resource || resource->type != FSL_MC_POOL_DPMCP)) - return; - - if (WARN_ON(resource->data != dpmcp_dev)) - return; - - fsl_destroy_mc_io(mc_io); - fsl_mc_resource_free(resource); -} -EXPORT_SYMBOL_GPL(fsl_mc_portal_free); - -/** - * fsl_mc_portal_reset - Resets the dpmcp object for a given fsl_mc_io object - * - * @mc_io: Pointer to the fsl_mc_io object that wraps the MC portal to free - */ -int fsl_mc_portal_reset(struct fsl_mc_io *mc_io) -{ - int error; - struct fsl_mc_device *dpmcp_dev = mc_io->dpmcp_dev; - - if (WARN_ON(!dpmcp_dev)) - return -EINVAL; - - error = dpmcp_reset(mc_io, 0, dpmcp_dev->mc_handle); - if (error < 0) { - dev_err(&dpmcp_dev->dev, "dpmcp_reset() failed: %d\n", error); - return error; - } - - return 0; -} -EXPORT_SYMBOL_GPL(fsl_mc_portal_reset); - -/** * fsl_mc_object_allocate - Allocates a MC object device of the given * pool type from a given MC bus * @@ -420,7 +287,7 @@ int __must_check fsl_mc_object_allocate(struct fsl_mc_device *mc_dev, if (WARN_ON(mc_dev->flags & FSL_MC_IS_DPRC)) goto error; - if (WARN_ON(mc_dev->dev.parent->bus != &fsl_mc_bus_type)) + if (WARN_ON(!dev_is_fsl_mc(mc_dev->dev.parent))) goto error; if (WARN_ON(pool_type == FSL_MC_POOL_DPMCP)) @@ -663,6 +530,55 @@ void fsl_mc_free_irqs(struct fsl_mc_device *mc_dev) } EXPORT_SYMBOL_GPL(fsl_mc_free_irqs); +void fsl_mc_init_all_resource_pools(struct fsl_mc_device *mc_bus_dev) +{ + int pool_type; + struct fsl_mc_bus *mc_bus = to_fsl_mc_bus(mc_bus_dev); + + for (pool_type = 0; pool_type < FSL_MC_NUM_POOL_TYPES; pool_type++) { + struct fsl_mc_resource_pool *res_pool = + &mc_bus->resource_pools[pool_type]; + + res_pool->type = pool_type; + res_pool->max_count = 0; + res_pool->free_count = 0; + res_pool->mc_bus = mc_bus; + INIT_LIST_HEAD(&res_pool->free_list); + mutex_init(&res_pool->mutex); + } +} + +static void fsl_mc_cleanup_resource_pool(struct fsl_mc_device *mc_bus_dev, + enum fsl_mc_pool_type pool_type) +{ + struct fsl_mc_resource *resource; + struct fsl_mc_resource *next; + struct fsl_mc_bus *mc_bus = to_fsl_mc_bus(mc_bus_dev); + struct fsl_mc_resource_pool *res_pool = + &mc_bus->resource_pools[pool_type]; + int free_count = 0; + + WARN_ON(res_pool->type != pool_type); + WARN_ON(res_pool->free_count != res_pool->max_count); + + list_for_each_entry_safe(resource, next, &res_pool->free_list, node) { + free_count++; + WARN_ON(resource->type != res_pool->type); + WARN_ON(resource->parent_pool != res_pool); + devm_kfree(&mc_bus_dev->dev, resource); + } + + WARN_ON(free_count != res_pool->free_count); +} + +void fsl_mc_cleanup_all_resource_pools(struct fsl_mc_device *mc_bus_dev) +{ + int pool_type; + + for (pool_type = 0; pool_type < FSL_MC_NUM_POOL_TYPES; pool_type++) + fsl_mc_cleanup_resource_pool(mc_bus_dev, pool_type); +} + /** * fsl_mc_allocator_probe - callback invoked when an allocatable device is * being added to the system @@ -678,7 +594,7 @@ static int fsl_mc_allocator_probe(struct fsl_mc_device *mc_dev) return -EINVAL; mc_bus_dev = to_fsl_mc_device(mc_dev->dev.parent); - if (WARN_ON(mc_bus_dev->dev.bus != &fsl_mc_bus_type)) + if (WARN_ON(!dev_is_fsl_mc(&mc_bus_dev->dev))) return -EINVAL; mc_bus = to_fsl_mc_bus(mc_bus_dev); diff --git a/drivers/staging/fsl-mc/bus/mc-bus.c b/drivers/staging/fsl-mc/bus/fsl-mc-bus.c index db3afdbdf4ae..3d687b51c9ff 100644 --- a/drivers/staging/fsl-mc/bus/mc-bus.c +++ b/drivers/staging/fsl-mc/bus/fsl-mc-bus.c @@ -9,7 +9,6 @@ * warranty of any kind, whether express or implied. */ -#include "../include/mc-private.h" #include <linux/module.h> #include <linux/of_device.h> #include <linux/of_address.h> @@ -18,13 +17,50 @@ #include <linux/limits.h> #include <linux/bitops.h> #include <linux/msi.h> +#include <linux/dma-mapping.h> +#include "../include/mc-bus.h" #include "../include/dpmng.h" #include "../include/mc-sys.h" + +#include "fsl-mc-private.h" #include "dprc-cmd.h" static struct kmem_cache *mc_dev_cache; /** + * Default DMA mask for devices on a fsl-mc bus + */ +#define FSL_MC_DEFAULT_DMA_MASK (~0ULL) + +/** + * struct fsl_mc - Private data of a "fsl,qoriq-mc" platform device + * @root_mc_bus_dev: MC object device representing the root DPRC + * @num_translation_ranges: number of entries in addr_translation_ranges + * @translation_ranges: array of bus to system address translation ranges + */ +struct fsl_mc { + struct fsl_mc_device *root_mc_bus_dev; + u8 num_translation_ranges; + struct fsl_mc_addr_translation_range *translation_ranges; +}; + +/** + * struct fsl_mc_addr_translation_range - bus to system address translation + * range + * @mc_region_type: Type of MC region for the range being translated + * @start_mc_offset: Start MC offset of the range being translated + * @end_mc_offset: MC offset of the first byte after the range (last MC + * offset of the range is end_mc_offset - 1) + * @start_phys_addr: system physical address corresponding to start_mc_addr + */ +struct fsl_mc_addr_translation_range { + enum dprc_region_type mc_region_type; + u64 start_mc_offset; + u64 end_mc_offset; + phys_addr_t start_phys_addr; +}; + +/** * fsl_mc_bus_match - device to driver matching callback * @dev: the MC object device structure to match against * @drv: the device driver to search for matching MC object device id @@ -101,14 +137,8 @@ static struct attribute *fsl_mc_dev_attrs[] = { NULL, }; -static const struct attribute_group fsl_mc_dev_group = { - .attrs = fsl_mc_dev_attrs, -}; +ATTRIBUTE_GROUPS(fsl_mc_dev); -static const struct attribute_group *fsl_mc_dev_groups[] = { - &fsl_mc_dev_group, - NULL, -}; struct bus_type fsl_mc_bus_type = { .name = "fsl-mc", @@ -231,19 +261,20 @@ EXPORT_SYMBOL_GPL(fsl_mc_bus_exists); /** * fsl_mc_get_root_dprc - function to traverse to the root dprc */ -static void fsl_mc_get_root_dprc(struct device *dev, - struct device **root_dprc_dev) +void fsl_mc_get_root_dprc(struct device *dev, + struct device **root_dprc_dev) { if (WARN_ON(!dev)) { *root_dprc_dev = NULL; - } else if (WARN_ON(dev->bus != &fsl_mc_bus_type)) { + } else if (WARN_ON(!dev_is_fsl_mc(dev))) { *root_dprc_dev = NULL; } else { *root_dprc_dev = dev; - while ((*root_dprc_dev)->parent->bus == &fsl_mc_bus_type) + while (dev_is_fsl_mc((*root_dprc_dev)->parent)) *root_dprc_dev = (*root_dprc_dev)->parent; } } +EXPORT_SYMBOL_GPL(fsl_mc_get_root_dprc); static int get_dprc_attr(struct fsl_mc_io *mc_io, int container_id, struct dprc_attributes *attr) @@ -434,7 +465,7 @@ int fsl_mc_device_add(struct dprc_obj_desc *obj_desc, struct fsl_mc_bus *mc_bus = NULL; struct fsl_mc_device *parent_mc_dev; - if (parent_dev->bus == &fsl_mc_bus_type) + if (dev_is_fsl_mc(parent_dev)) parent_mc_dev = to_fsl_mc_device(parent_dev); else parent_mc_dev = NULL; @@ -887,25 +918,4 @@ error_cleanup_cache: kmem_cache_destroy(mc_dev_cache); return error; } - postcore_initcall(fsl_mc_bus_driver_init); - -static void __exit fsl_mc_bus_driver_exit(void) -{ - if (WARN_ON(!mc_dev_cache)) - return; - - its_fsl_mc_msi_cleanup(); - fsl_mc_allocator_driver_exit(); - dprc_driver_exit(); - platform_driver_unregister(&fsl_mc_bus_driver); - bus_unregister(&fsl_mc_bus_type); - kmem_cache_destroy(mc_dev_cache); - pr_info("MC bus unregistered\n"); -} - -module_exit(fsl_mc_bus_driver_exit); - -MODULE_AUTHOR("Freescale Semiconductor Inc."); -MODULE_DESCRIPTION("Freescale Management Complex (MC) bus driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/staging/fsl-mc/bus/mc-msi.c b/drivers/staging/fsl-mc/bus/fsl-mc-msi.c index c7be156ae5e0..cc190924deed 100644 --- a/drivers/staging/fsl-mc/bus/mc-msi.c +++ b/drivers/staging/fsl-mc/bus/fsl-mc-msi.c @@ -9,7 +9,6 @@ * warranty of any kind, whether express or implied. */ -#include "../include/mc-private.h" #include <linux/of_device.h> #include <linux/of_address.h> #include <linux/irqchip/arm-gic-v3.h> @@ -17,8 +16,7 @@ #include <linux/irq.h> #include <linux/irqdomain.h> #include <linux/msi.h> -#include "../include/mc-sys.h" -#include "dprc-cmd.h" +#include "../include/mc-bus.h" /* * Generate a unique ID identifying the interrupt (only used within the MSI diff --git a/drivers/staging/fsl-mc/bus/fsl-mc-private.h b/drivers/staging/fsl-mc/bus/fsl-mc-private.h new file mode 100644 index 000000000000..d459c2673f39 --- /dev/null +++ b/drivers/staging/fsl-mc/bus/fsl-mc-private.h @@ -0,0 +1,52 @@ +/* + * Freescale Management Complex (MC) bus private declarations + * + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ +#ifndef _FSL_MC_PRIVATE_H_ +#define _FSL_MC_PRIVATE_H_ + +int __must_check fsl_mc_device_add(struct dprc_obj_desc *obj_desc, + struct fsl_mc_io *mc_io, + struct device *parent_dev, + struct fsl_mc_device **new_mc_dev); + +void fsl_mc_device_remove(struct fsl_mc_device *mc_dev); + +int __init dprc_driver_init(void); + +void dprc_driver_exit(void); + +int __init fsl_mc_allocator_driver_init(void); + +void fsl_mc_allocator_driver_exit(void); + +int __must_check fsl_mc_resource_allocate(struct fsl_mc_bus *mc_bus, + enum fsl_mc_pool_type pool_type, + struct fsl_mc_resource + **new_resource); + +void fsl_mc_resource_free(struct fsl_mc_resource *resource); + +int fsl_mc_msi_domain_alloc_irqs(struct device *dev, + unsigned int irq_count); + +void fsl_mc_msi_domain_free_irqs(struct device *dev); + +int __init its_fsl_mc_msi_init(void); + +void its_fsl_mc_msi_cleanup(void); + +int __must_check fsl_create_mc_io(struct device *dev, + phys_addr_t mc_portal_phys_addr, + u32 mc_portal_size, + struct fsl_mc_device *dpmcp_dev, + u32 flags, struct fsl_mc_io **new_mc_io); + +void fsl_destroy_mc_io(struct fsl_mc_io *mc_io); + +#endif /* _FSL_MC_PRIVATE_H_ */ diff --git a/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c b/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c index 720e2b018d00..7a6ac640752f 100644 --- a/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c +++ b/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c @@ -9,7 +9,6 @@ * warranty of any kind, whether express or implied. */ -#include "../include/mc-private.h" #include <linux/of_device.h> #include <linux/of_address.h> #include <linux/irqchip/arm-gic-v3.h> @@ -17,8 +16,7 @@ #include <linux/msi.h> #include <linux/of.h> #include <linux/of_irq.h> -#include "../include/mc-sys.h" -#include "dprc-cmd.h" +#include "../include/mc-bus.h" static struct irq_chip its_msi_irq_chip = { .name = "fsl-mc-bus-msi", @@ -35,7 +33,7 @@ static int its_fsl_mc_msi_prepare(struct irq_domain *msi_domain, struct fsl_mc_device *mc_bus_dev; struct msi_domain_info *msi_info; - if (WARN_ON(dev->bus != &fsl_mc_bus_type)) + if (WARN_ON(!dev_is_fsl_mc(dev))) return -EINVAL; mc_bus_dev = to_fsl_mc_device(dev); diff --git a/drivers/staging/fsl-mc/bus/mc-io.c b/drivers/staging/fsl-mc/bus/mc-io.c new file mode 100644 index 000000000000..798c965fe203 --- /dev/null +++ b/drivers/staging/fsl-mc/bus/mc-io.c @@ -0,0 +1,320 @@ +/* Copyright 2013-2016 Freescale Semiconductor Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the above-listed copyright holders nor the + * names of any contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/io.h> +#include "../include/mc-bus.h" +#include "../include/mc-sys.h" + +#include "fsl-mc-private.h" +#include "dpmcp.h" +#include "dpmcp-cmd.h" + +static int fsl_mc_io_set_dpmcp(struct fsl_mc_io *mc_io, + struct fsl_mc_device *dpmcp_dev) +{ + int error; + + if (WARN_ON(!dpmcp_dev)) + return -EINVAL; + + if (WARN_ON(mc_io->dpmcp_dev)) + return -EINVAL; + + if (WARN_ON(dpmcp_dev->mc_io)) + return -EINVAL; + + error = dpmcp_open(mc_io, + 0, + dpmcp_dev->obj_desc.id, + &dpmcp_dev->mc_handle); + if (error < 0) + return error; + + mc_io->dpmcp_dev = dpmcp_dev; + dpmcp_dev->mc_io = mc_io; + return 0; +} + +static void fsl_mc_io_unset_dpmcp(struct fsl_mc_io *mc_io) +{ + int error; + struct fsl_mc_device *dpmcp_dev = mc_io->dpmcp_dev; + + if (WARN_ON(!dpmcp_dev)) + return; + + if (WARN_ON(dpmcp_dev->mc_io != mc_io)) + return; + + error = dpmcp_close(mc_io, + 0, + dpmcp_dev->mc_handle); + if (error < 0) { + dev_err(&dpmcp_dev->dev, "dpmcp_close() failed: %d\n", + error); + } + + mc_io->dpmcp_dev = NULL; + dpmcp_dev->mc_io = NULL; +} + +/** + * Creates an MC I/O object + * + * @dev: device to be associated with the MC I/O object + * @mc_portal_phys_addr: physical address of the MC portal to use + * @mc_portal_size: size in bytes of the MC portal + * @dpmcp-dev: Pointer to the DPMCP object associated with this MC I/O + * object or NULL if none. + * @flags: flags for the new MC I/O object + * @new_mc_io: Area to return pointer to newly created MC I/O object + * + * Returns '0' on Success; Error code otherwise. + */ +int __must_check fsl_create_mc_io(struct device *dev, + phys_addr_t mc_portal_phys_addr, + u32 mc_portal_size, + struct fsl_mc_device *dpmcp_dev, + u32 flags, struct fsl_mc_io **new_mc_io) +{ + int error; + struct fsl_mc_io *mc_io; + void __iomem *mc_portal_virt_addr; + struct resource *res; + + mc_io = devm_kzalloc(dev, sizeof(*mc_io), GFP_KERNEL); + if (!mc_io) + return -ENOMEM; + + mc_io->dev = dev; + mc_io->flags = flags; + mc_io->portal_phys_addr = mc_portal_phys_addr; + mc_io->portal_size = mc_portal_size; + if (flags & FSL_MC_IO_ATOMIC_CONTEXT_PORTAL) + spin_lock_init(&mc_io->spinlock); + else + mutex_init(&mc_io->mutex); + + res = devm_request_mem_region(dev, + mc_portal_phys_addr, + mc_portal_size, + "mc_portal"); + if (!res) { + dev_err(dev, + "devm_request_mem_region failed for MC portal %#llx\n", + mc_portal_phys_addr); + return -EBUSY; + } + + mc_portal_virt_addr = devm_ioremap_nocache(dev, + mc_portal_phys_addr, + mc_portal_size); + if (!mc_portal_virt_addr) { + dev_err(dev, + "devm_ioremap_nocache failed for MC portal %#llx\n", + mc_portal_phys_addr); + return -ENXIO; + } + + mc_io->portal_virt_addr = mc_portal_virt_addr; + if (dpmcp_dev) { + error = fsl_mc_io_set_dpmcp(mc_io, dpmcp_dev); + if (error < 0) + goto error_destroy_mc_io; + } + + *new_mc_io = mc_io; + return 0; + +error_destroy_mc_io: + fsl_destroy_mc_io(mc_io); + return error; +} + +/** + * Destroys an MC I/O object + * + * @mc_io: MC I/O object to destroy + */ +void fsl_destroy_mc_io(struct fsl_mc_io *mc_io) +{ + struct fsl_mc_device *dpmcp_dev = mc_io->dpmcp_dev; + + if (dpmcp_dev) + fsl_mc_io_unset_dpmcp(mc_io); + + devm_iounmap(mc_io->dev, mc_io->portal_virt_addr); + devm_release_mem_region(mc_io->dev, + mc_io->portal_phys_addr, + mc_io->portal_size); + + mc_io->portal_virt_addr = NULL; + devm_kfree(mc_io->dev, mc_io); +} + +/** + * fsl_mc_portal_allocate - Allocates an MC portal + * + * @mc_dev: MC device for which the MC portal is to be allocated + * @mc_io_flags: Flags for the fsl_mc_io object that wraps the allocated + * MC portal. + * @new_mc_io: Pointer to area where the pointer to the fsl_mc_io object + * that wraps the allocated MC portal is to be returned + * + * This function allocates an MC portal from the device's parent DPRC, + * from the corresponding MC bus' pool of MC portals and wraps + * it in a new fsl_mc_io object. If 'mc_dev' is a DPRC itself, the + * portal is allocated from its own MC bus. + */ +int __must_check fsl_mc_portal_allocate(struct fsl_mc_device *mc_dev, + u16 mc_io_flags, + struct fsl_mc_io **new_mc_io) +{ + struct fsl_mc_device *mc_bus_dev; + struct fsl_mc_bus *mc_bus; + phys_addr_t mc_portal_phys_addr; + size_t mc_portal_size; + struct fsl_mc_device *dpmcp_dev; + int error = -EINVAL; + struct fsl_mc_resource *resource = NULL; + struct fsl_mc_io *mc_io = NULL; + + if (mc_dev->flags & FSL_MC_IS_DPRC) { + mc_bus_dev = mc_dev; + } else { + if (WARN_ON(!dev_is_fsl_mc(mc_dev->dev.parent))) + return error; + + mc_bus_dev = to_fsl_mc_device(mc_dev->dev.parent); + } + + mc_bus = to_fsl_mc_bus(mc_bus_dev); + *new_mc_io = NULL; + error = fsl_mc_resource_allocate(mc_bus, FSL_MC_POOL_DPMCP, &resource); + if (error < 0) + return error; + + error = -EINVAL; + dpmcp_dev = resource->data; + if (WARN_ON(!dpmcp_dev)) + goto error_cleanup_resource; + + if (dpmcp_dev->obj_desc.ver_major < DPMCP_MIN_VER_MAJOR || + (dpmcp_dev->obj_desc.ver_major == DPMCP_MIN_VER_MAJOR && + dpmcp_dev->obj_desc.ver_minor < DPMCP_MIN_VER_MINOR)) { + dev_err(&dpmcp_dev->dev, + "ERROR: Version %d.%d of DPMCP not supported.\n", + dpmcp_dev->obj_desc.ver_major, + dpmcp_dev->obj_desc.ver_minor); + error = -ENOTSUPP; + goto error_cleanup_resource; + } + + if (WARN_ON(dpmcp_dev->obj_desc.region_count == 0)) + goto error_cleanup_resource; + + mc_portal_phys_addr = dpmcp_dev->regions[0].start; + mc_portal_size = dpmcp_dev->regions[0].end - + dpmcp_dev->regions[0].start + 1; + + if (WARN_ON(mc_portal_size != mc_bus_dev->mc_io->portal_size)) + goto error_cleanup_resource; + + error = fsl_create_mc_io(&mc_bus_dev->dev, + mc_portal_phys_addr, + mc_portal_size, dpmcp_dev, + mc_io_flags, &mc_io); + if (error < 0) + goto error_cleanup_resource; + + *new_mc_io = mc_io; + return 0; + +error_cleanup_resource: + fsl_mc_resource_free(resource); + return error; +} +EXPORT_SYMBOL_GPL(fsl_mc_portal_allocate); + +/** + * fsl_mc_portal_free - Returns an MC portal to the pool of free MC portals + * of a given MC bus + * + * @mc_io: Pointer to the fsl_mc_io object that wraps the MC portal to free + */ +void fsl_mc_portal_free(struct fsl_mc_io *mc_io) +{ + struct fsl_mc_device *dpmcp_dev; + struct fsl_mc_resource *resource; + + /* + * Every mc_io obtained by calling fsl_mc_portal_allocate() is supposed + * to have a DPMCP object associated with. + */ + dpmcp_dev = mc_io->dpmcp_dev; + if (WARN_ON(!dpmcp_dev)) + return; + + resource = dpmcp_dev->resource; + if (WARN_ON(!resource || resource->type != FSL_MC_POOL_DPMCP)) + return; + + if (WARN_ON(resource->data != dpmcp_dev)) + return; + + fsl_destroy_mc_io(mc_io); + fsl_mc_resource_free(resource); +} +EXPORT_SYMBOL_GPL(fsl_mc_portal_free); + +/** + * fsl_mc_portal_reset - Resets the dpmcp object for a given fsl_mc_io object + * + * @mc_io: Pointer to the fsl_mc_io object that wraps the MC portal to free + */ +int fsl_mc_portal_reset(struct fsl_mc_io *mc_io) +{ + int error; + struct fsl_mc_device *dpmcp_dev = mc_io->dpmcp_dev; + + if (WARN_ON(!dpmcp_dev)) + return -EINVAL; + + error = dpmcp_reset(mc_io, 0, dpmcp_dev->mc_handle); + if (error < 0) { + dev_err(&dpmcp_dev->dev, "dpmcp_reset() failed: %d\n", error); + return error; + } + + return 0; +} +EXPORT_SYMBOL_GPL(fsl_mc_portal_reset); diff --git a/drivers/staging/fsl-mc/bus/mc-sys.c b/drivers/staging/fsl-mc/bus/mc-sys.c index 0c185abe665e..285917c7c8e4 100644 --- a/drivers/staging/fsl-mc/bus/mc-sys.c +++ b/drivers/staging/fsl-mc/bus/mc-sys.c @@ -32,13 +32,15 @@ * POSSIBILITY OF SUCH DAMAGE. */ -#include "../include/mc-sys.h" -#include "../include/mc-cmd.h" -#include "../include/mc.h" #include <linux/delay.h> #include <linux/slab.h> #include <linux/ioport.h> #include <linux/device.h> +#include <linux/io.h> +#include "../include/mc-sys.h" +#include "../include/mc-cmd.h" +#include "../include/mc.h" + #include "dpmcp.h" /** @@ -68,153 +70,6 @@ static u16 mc_cmd_hdr_read_cmdid(struct mc_command *cmd) return (cmd_id & MC_CMD_HDR_CMDID_MASK) >> MC_CMD_HDR_CMDID_SHIFT; } -/** - * Creates an MC I/O object - * - * @dev: device to be associated with the MC I/O object - * @mc_portal_phys_addr: physical address of the MC portal to use - * @mc_portal_size: size in bytes of the MC portal - * @dpmcp-dev: Pointer to the DPMCP object associated with this MC I/O - * object or NULL if none. - * @flags: flags for the new MC I/O object - * @new_mc_io: Area to return pointer to newly created MC I/O object - * - * Returns '0' on Success; Error code otherwise. - */ -int __must_check fsl_create_mc_io(struct device *dev, - phys_addr_t mc_portal_phys_addr, - u32 mc_portal_size, - struct fsl_mc_device *dpmcp_dev, - u32 flags, struct fsl_mc_io **new_mc_io) -{ - int error; - struct fsl_mc_io *mc_io; - void __iomem *mc_portal_virt_addr; - struct resource *res; - - mc_io = devm_kzalloc(dev, sizeof(*mc_io), GFP_KERNEL); - if (!mc_io) - return -ENOMEM; - - mc_io->dev = dev; - mc_io->flags = flags; - mc_io->portal_phys_addr = mc_portal_phys_addr; - mc_io->portal_size = mc_portal_size; - if (flags & FSL_MC_IO_ATOMIC_CONTEXT_PORTAL) - spin_lock_init(&mc_io->spinlock); - else - mutex_init(&mc_io->mutex); - - res = devm_request_mem_region(dev, - mc_portal_phys_addr, - mc_portal_size, - "mc_portal"); - if (!res) { - dev_err(dev, - "devm_request_mem_region failed for MC portal %#llx\n", - mc_portal_phys_addr); - return -EBUSY; - } - - mc_portal_virt_addr = devm_ioremap_nocache(dev, - mc_portal_phys_addr, - mc_portal_size); - if (!mc_portal_virt_addr) { - dev_err(dev, - "devm_ioremap_nocache failed for MC portal %#llx\n", - mc_portal_phys_addr); - return -ENXIO; - } - - mc_io->portal_virt_addr = mc_portal_virt_addr; - if (dpmcp_dev) { - error = fsl_mc_io_set_dpmcp(mc_io, dpmcp_dev); - if (error < 0) - goto error_destroy_mc_io; - } - - *new_mc_io = mc_io; - return 0; - -error_destroy_mc_io: - fsl_destroy_mc_io(mc_io); - return error; -} -EXPORT_SYMBOL_GPL(fsl_create_mc_io); - -/** - * Destroys an MC I/O object - * - * @mc_io: MC I/O object to destroy - */ -void fsl_destroy_mc_io(struct fsl_mc_io *mc_io) -{ - struct fsl_mc_device *dpmcp_dev = mc_io->dpmcp_dev; - - if (dpmcp_dev) - fsl_mc_io_unset_dpmcp(mc_io); - - devm_iounmap(mc_io->dev, mc_io->portal_virt_addr); - devm_release_mem_region(mc_io->dev, - mc_io->portal_phys_addr, - mc_io->portal_size); - - mc_io->portal_virt_addr = NULL; - devm_kfree(mc_io->dev, mc_io); -} -EXPORT_SYMBOL_GPL(fsl_destroy_mc_io); - -int fsl_mc_io_set_dpmcp(struct fsl_mc_io *mc_io, - struct fsl_mc_device *dpmcp_dev) -{ - int error; - - if (WARN_ON(!dpmcp_dev)) - return -EINVAL; - - if (WARN_ON(mc_io->dpmcp_dev)) - return -EINVAL; - - if (WARN_ON(dpmcp_dev->mc_io)) - return -EINVAL; - - error = dpmcp_open(mc_io, - 0, - dpmcp_dev->obj_desc.id, - &dpmcp_dev->mc_handle); - if (error < 0) - return error; - - mc_io->dpmcp_dev = dpmcp_dev; - dpmcp_dev->mc_io = mc_io; - return 0; -} -EXPORT_SYMBOL_GPL(fsl_mc_io_set_dpmcp); - -void fsl_mc_io_unset_dpmcp(struct fsl_mc_io *mc_io) -{ - int error; - struct fsl_mc_device *dpmcp_dev = mc_io->dpmcp_dev; - - if (WARN_ON(!dpmcp_dev)) - return; - - if (WARN_ON(dpmcp_dev->mc_io != mc_io)) - return; - - error = dpmcp_close(mc_io, - 0, - dpmcp_dev->mc_handle); - if (error < 0) { - dev_err(&dpmcp_dev->dev, "dpmcp_close() failed: %d\n", - error); - } - - mc_io->dpmcp_dev = NULL; - dpmcp_dev->mc_io = NULL; -} -EXPORT_SYMBOL_GPL(fsl_mc_io_unset_dpmcp); - static int mc_status_to_error(enum mc_cmd_status status) { static const int mc_status_to_error_map[] = { diff --git a/drivers/staging/fsl-mc/include/mc-private.h b/drivers/staging/fsl-mc/include/mc-bus.h index cab1ae90f09e..170684a57ca2 100644 --- a/drivers/staging/fsl-mc/include/mc-private.h +++ b/drivers/staging/fsl-mc/include/mc-bus.h @@ -1,5 +1,5 @@ /* - * Freescale Management Complex (MC) bus private declarations + * Freescale Management Complex (MC) bus declarations * * Copyright (C) 2014 Freescale Semiconductor, Inc. * Author: German Rivera <German.Rivera@freescale.com> @@ -8,23 +8,11 @@ * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. */ -#ifndef _FSL_MC_PRIVATE_H_ -#define _FSL_MC_PRIVATE_H_ +#ifndef _FSL_MC_MCBUS_H_ +#define _FSL_MC_MCBUS_H_ #include "../include/mc.h" #include <linux/mutex.h> -#include <linux/stringify.h> - -#define FSL_MC_DPRC_DRIVER_NAME "fsl_mc_dprc" - -#define FSL_MC_DEVICE_MATCH(_mc_dev, _obj_desc) \ - (strcmp((_mc_dev)->obj_desc.type, (_obj_desc)->type) == 0 && \ - (_mc_dev)->obj_desc.id == (_obj_desc)->id) - -#define FSL_MC_IS_ALLOCATABLE(_obj_type) \ - (strcmp(_obj_type, "dpbp") == 0 || \ - strcmp(_obj_type, "dpmcp") == 0 || \ - strcmp(_obj_type, "dpcon") == 0) struct irq_domain; struct msi_domain_info; @@ -35,37 +23,12 @@ struct msi_domain_info; */ #define FSL_MC_IRQ_POOL_MAX_TOTAL_IRQS 256 -struct device_node; -struct irq_domain; -struct msi_domain_info; - -/** - * struct fsl_mc - Private data of a "fsl,qoriq-mc" platform device - * @root_mc_bus_dev: MC object device representing the root DPRC - * @num_translation_ranges: number of entries in addr_translation_ranges - * @translation_ranges: array of bus to system address translation ranges - */ -struct fsl_mc { - struct fsl_mc_device *root_mc_bus_dev; - u8 num_translation_ranges; - struct fsl_mc_addr_translation_range *translation_ranges; -}; - -/** - * struct fsl_mc_addr_translation_range - bus to system address translation - * range - * @mc_region_type: Type of MC region for the range being translated - * @start_mc_offset: Start MC offset of the range being translated - * @end_mc_offset: MC offset of the first byte after the range (last MC - * offset of the range is end_mc_offset - 1) - * @start_phys_addr: system physical address corresponding to start_mc_addr - */ -struct fsl_mc_addr_translation_range { - enum dprc_region_type mc_region_type; - u64 start_mc_offset; - u64 end_mc_offset; - phys_addr_t start_phys_addr; -}; +#ifdef CONFIG_FSL_MC_BUS +#define dev_is_fsl_mc(_dev) ((_dev)->bus == &fsl_mc_bus_type) +#else +/* If fsl-mc bus is not present device cannot belong to fsl-mc bus */ +#define dev_is_fsl_mc(_dev) (0) +#endif /** * struct fsl_mc_resource_pool - Pool of MC resources of a given @@ -107,13 +70,6 @@ struct fsl_mc_bus { #define to_fsl_mc_bus(_mc_dev) \ container_of(_mc_dev, struct fsl_mc_bus, mc_dev) -int __must_check fsl_mc_device_add(struct dprc_obj_desc *obj_desc, - struct fsl_mc_io *mc_io, - struct device *parent_dev, - struct fsl_mc_device **new_mc_dev); - -void fsl_mc_device_remove(struct fsl_mc_device *mc_dev); - int dprc_scan_container(struct fsl_mc_device *mc_bus_dev); int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev, @@ -127,13 +83,6 @@ int __init fsl_mc_allocator_driver_init(void); void fsl_mc_allocator_driver_exit(void); -int __must_check fsl_mc_resource_allocate(struct fsl_mc_bus *mc_bus, - enum fsl_mc_pool_type pool_type, - struct fsl_mc_resource - **new_resource); - -void fsl_mc_resource_free(struct fsl_mc_resource *resource); - struct irq_domain *fsl_mc_msi_create_irq_domain(struct fwnode_handle *fwnode, struct msi_domain_info *info, struct irq_domain *parent); @@ -141,18 +90,22 @@ struct irq_domain *fsl_mc_msi_create_irq_domain(struct fwnode_handle *fwnode, int fsl_mc_find_msi_domain(struct device *mc_platform_dev, struct irq_domain **mc_msi_domain); -int fsl_mc_msi_domain_alloc_irqs(struct device *dev, - unsigned int irq_count); +int fsl_mc_populate_irq_pool(struct fsl_mc_bus *mc_bus, + unsigned int irq_count); + +void fsl_mc_cleanup_irq_pool(struct fsl_mc_bus *mc_bus); -void fsl_mc_msi_domain_free_irqs(struct device *dev); +void fsl_mc_init_all_resource_pools(struct fsl_mc_device *mc_bus_dev); -int __init its_fsl_mc_msi_init(void); +void fsl_mc_cleanup_all_resource_pools(struct fsl_mc_device *mc_bus_dev); -void its_fsl_mc_msi_cleanup(void); +bool fsl_mc_bus_exists(void); -int fsl_mc_populate_irq_pool(struct fsl_mc_bus *mc_bus, - unsigned int irq_count); +void fsl_mc_get_root_dprc(struct device *dev, + struct device **root_dprc_dev); -void fsl_mc_cleanup_irq_pool(struct fsl_mc_bus *mc_bus); +bool fsl_mc_is_root_dprc(struct device *dev); + +extern struct bus_type fsl_mc_bus_type; -#endif /* _FSL_MC_PRIVATE_H_ */ +#endif /* _FSL_MC_MCBUS_H_ */ diff --git a/drivers/staging/fsl-mc/include/mc-sys.h b/drivers/staging/fsl-mc/include/mc-sys.h index c5038cc77240..89ad0cf54702 100644 --- a/drivers/staging/fsl-mc/include/mc-sys.h +++ b/drivers/staging/fsl-mc/include/mc-sys.h @@ -37,8 +37,6 @@ #include <linux/types.h> #include <linux/errno.h> -#include <linux/io.h> -#include <linux/dma-mapping.h> #include <linux/mutex.h> #include <linux/spinlock.h> @@ -95,19 +93,6 @@ struct fsl_mc_io { }; }; -int __must_check fsl_create_mc_io(struct device *dev, - phys_addr_t mc_portal_phys_addr, - u32 mc_portal_size, - struct fsl_mc_device *dpmcp_dev, - u32 flags, struct fsl_mc_io **new_mc_io); - -void fsl_destroy_mc_io(struct fsl_mc_io *mc_io); - -int fsl_mc_io_set_dpmcp(struct fsl_mc_io *mc_io, - struct fsl_mc_device *dpmcp_dev); - -void fsl_mc_io_unset_dpmcp(struct fsl_mc_io *mc_io); - int mc_send_command(struct fsl_mc_io *mc_io, struct mc_command *cmd); #endif /* _FSL_MC_SYS_H */ diff --git a/drivers/staging/fsl-mc/include/mc.h b/drivers/staging/fsl-mc/include/mc.h index 853cbf38a400..f6e720e84460 100644 --- a/drivers/staging/fsl-mc/include/mc.h +++ b/drivers/staging/fsl-mc/include/mc.h @@ -13,7 +13,6 @@ #include <linux/device.h> #include <linux/mod_devicetable.h> -#include <linux/list.h> #include <linux/interrupt.h> #include "../include/dprc.h" @@ -21,7 +20,6 @@ struct fsl_mc_device; struct fsl_mc_io; -struct fsl_mc_bus; /** * struct fsl_mc_driver - MC object device driver object @@ -112,11 +110,6 @@ struct fsl_mc_device_irq { #define FSL_MC_IS_DPRC 0x0001 /** - * Default DMA mask for devices on a fsl-mc bus - */ -#define FSL_MC_DEFAULT_DMA_MASK (~0ULL) - -/** * struct fsl_mc_device - MC object device object * @dev: Linux driver model device object * @dma_mask: Default DMA mask @@ -187,8 +180,6 @@ int __must_check __fsl_mc_driver_register(struct fsl_mc_driver *fsl_mc_driver, void fsl_mc_driver_unregister(struct fsl_mc_driver *driver); -bool fsl_mc_bus_exists(void); - int __must_check fsl_mc_portal_allocate(struct fsl_mc_device *mc_dev, u16 mc_io_flags, struct fsl_mc_io **new_mc_io); @@ -207,8 +198,4 @@ int __must_check fsl_mc_allocate_irqs(struct fsl_mc_device *mc_dev); void fsl_mc_free_irqs(struct fsl_mc_device *mc_dev); -bool fsl_mc_is_root_dprc(struct device *dev); - -extern struct bus_type fsl_mc_bus_type; - #endif /* _FSL_MC_H_ */ diff --git a/drivers/staging/gdm724x/gdm_tty.c b/drivers/staging/gdm724x/gdm_tty.c index eb7e2523c354..ae396638f897 100644 --- a/drivers/staging/gdm724x/gdm_tty.c +++ b/drivers/staging/gdm724x/gdm_tty.c @@ -225,7 +225,6 @@ int register_lte_tty_device(struct tty_dev *tty_dev, struct device *device) int j; for (i = 0; i < TTY_MAX_COUNT; i++) { - gdm = kmalloc(sizeof(*gdm), GFP_KERNEL); if (!gdm) return -ENOMEM; diff --git a/drivers/staging/gdm724x/gdm_usb.c b/drivers/staging/gdm724x/gdm_usb.c index d650d772095b..15a7e81ec2d2 100644 --- a/drivers/staging/gdm724x/gdm_usb.c +++ b/drivers/staging/gdm724x/gdm_usb.c @@ -415,10 +415,10 @@ static void do_rx(struct work_struct *work) switch (cmd_evt) { case LTE_GET_INFORMATION_RESULT: if (set_mac_address(hci->data, r->cb_data) == 0) { - ret = r->callback(r->cb_data, - r->buf, - r->urb->actual_length, - KERNEL_THREAD); + r->callback(r->cb_data, + r->buf, + r->urb->actual_length, + KERNEL_THREAD); } break; diff --git a/drivers/staging/gdm724x/netlink_k.c b/drivers/staging/gdm724x/netlink_k.c index a0232e8aec10..abe242505882 100644 --- a/drivers/staging/gdm724x/netlink_k.c +++ b/drivers/staging/gdm724x/netlink_k.c @@ -14,6 +14,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/export.h> +#include <linux/mutex.h> #include <linux/etherdevice.h> #include <linux/netlink.h> #include <asm/byteorder.h> @@ -21,13 +22,7 @@ #include "netlink_k.h" -#if defined(DEFINE_MUTEX) static DEFINE_MUTEX(netlink_mutex); -#else -static struct semaphore netlink_mutex; -#define mutex_lock(x) down(x) -#define mutex_unlock(x) up(x) -#endif #define ND_MAX_GROUP 30 #define ND_IFINDEX_LEN sizeof(int) @@ -96,10 +91,6 @@ struct sock *netlink_init(int unit, .input = netlink_rcv, }; -#if !defined(DEFINE_MUTEX) - init_MUTEX(&netlink_mutex); -#endif - sock = netlink_kernel_create(&init_net, unit, &cfg); if (sock) diff --git a/drivers/staging/i4l/act2000/act2000_isa.c b/drivers/staging/i4l/act2000/act2000_isa.c index f0eb8441deed..1d931519833c 100644 --- a/drivers/staging/i4l/act2000/act2000_isa.c +++ b/drivers/staging/i4l/act2000/act2000_isa.c @@ -134,9 +134,9 @@ act2000_isa_config_irq(act2000_card *card, short irq) { int old_irq; - if (card->flags & ACT2000_FLAGS_IVALID) { + if (card->flags & ACT2000_FLAGS_IVALID) free_irq(card->irq, card); - } + card->flags &= ~ACT2000_FLAGS_IVALID; outb(ISA_COR_IRQOFF, ISA_PORT_COR); if (!irq) diff --git a/drivers/staging/i4l/act2000/capi.c b/drivers/staging/i4l/act2000/capi.c index 3f66ca20b5e5..bf04e6ffebad 100644 --- a/drivers/staging/i4l/act2000/capi.c +++ b/drivers/staging/i4l/act2000/capi.c @@ -113,7 +113,9 @@ actcapi_chkhdr(act2000_card *card, actcapi_msghdr *hdr) m->hdr.cmd.cmd = c; \ m->hdr.cmd.subcmd = s; \ m->hdr.msgnum = actcapi_nextsmsg(card); \ - } else m = NULL; \ + } else { \ + m = NULL; \ + } \ } #define ACTCAPI_CHKSKB if (!skb) { \ @@ -547,12 +549,11 @@ static int actcapi_data_b3_ind(act2000_card *card, struct sk_buff *skb) { __u16 plci; __u16 ncci; - __u16 controller; __u8 blocknr; int chan; actcapi_msg *msg = (actcapi_msg *)skb->data; - EVAL_NCCI(msg->msg.data_b3_ind.fakencci, plci, controller, ncci); + EVAL_NCCI(msg->msg.data_b3_ind.fakencci, plci, ncci); chan = find_ncci(card, ncci); if (chan < 0) return 0; @@ -990,7 +991,8 @@ actcapi_debug_dlpd(actcapi_dlpd *dlpd) } #ifdef DEBUG_DUMP_SKB -static void dump_skb(struct sk_buff *skb) { +static void dump_skb(struct sk_buff *skb) +{ char tmp[80]; char *p = skb->data; char *t = tmp; diff --git a/drivers/staging/i4l/act2000/capi.h b/drivers/staging/i4l/act2000/capi.h index 01ccdecd43f7..34884a5efee5 100644 --- a/drivers/staging/i4l/act2000/capi.h +++ b/drivers/staging/i4l/act2000/capi.h @@ -114,9 +114,8 @@ typedef struct actcapi_ncpd { #define MAKE_NCCI(plci, contr, ncci) \ ((plci & 0x1f) | ((contr & 0x7) << 5) | ((ncci & 0xff) << 8)) -#define EVAL_NCCI(fakencci, plci, contr, ncci) { \ +#define EVAL_NCCI(fakencci, plci, ncci) { \ plci = fakencci & 0x1f; \ - contr = (fakencci >> 5) & 0x7; \ ncci = (fakencci >> 8) & 0xff; \ } @@ -128,13 +127,6 @@ typedef struct actcapi_ncpd { * Bit 5-7 = Controller * Bit 8-15 = reserved (must be 0) */ -#define MAKE_PLCI(plci, contr) \ - ((plci & 0x1f) | ((contr & 0x7) << 5)) - -#define EVAL_PLCI(fakeplci, plci, contr) { \ - plci = fakeplci & 0x1f; \ - contr = (fakeplci >> 5) & 0x7; \ - } typedef struct actcapi_msg { actcapi_msghdr hdr; diff --git a/drivers/staging/i4l/icn/icn.c b/drivers/staging/i4l/icn/icn.c index 46d957c34be1..514bfc2c5b53 100644 --- a/drivers/staging/i4l/icn/icn.c +++ b/drivers/staging/i4l/icn/icn.c @@ -62,7 +62,8 @@ icn_free_queue(icn_card *card, int channel) skb_queue_purge(queue); card->xlen[channel] = 0; card->sndcount[channel] = 0; - if ((skb = card->xskb[channel])) { + skb = card->xskb[channel]; + if (skb) { card->xskb[channel] = NULL; dev_kfree_skb(skb); } @@ -81,12 +82,11 @@ icn_shiftout(unsigned short port, int firstbit, int bitcount) { - register u_char s; register u_char c; for (s = firstbit, c = bitcount; c > 0; s--, c--) - OUTB_P((u_char) ((val >> s) & 1) ? 0xff : 0, port); + OUTB_P((u_char)((val >> s) & 1) ? 0xff : 0, port); } /* @@ -272,8 +272,10 @@ icn_pollbchan_receive(int channel, icn_card *card) rbnext; icn_maprelease_channel(card, mch & 2); if (!eflag) { - if ((cnt = card->rcvidx[channel])) { - if (!(skb = dev_alloc_skb(cnt))) { + cnt = card->rcvidx[channel]; + if (cnt) { + skb = dev_alloc_skb(cnt); + if (!skb) { printk(KERN_WARNING "icn: receive out of memory\n"); break; } @@ -382,7 +384,7 @@ icn_pollbchan_send(int channel, icn_card *card) static void icn_pollbchan(unsigned long data) { - icn_card *card = (icn_card *) data; + icn_card *card = (icn_card *)data; unsigned long flags; if (card->flags & ICN_FLAGS_B1ACTIVE) { @@ -472,7 +474,6 @@ icn_parse_status(u_char *status, int channel, icn_card *card) if (card->flags & ((channel) ? ICN_FLAGS_B2ACTIVE : ICN_FLAGS_B1ACTIVE)) { - isdn_ctrl ncmd; card->flags &= ~((channel) ? @@ -544,7 +545,7 @@ icn_parse_status(u_char *status, int channel, icn_card *card) break; case 6: snprintf(cmd.parm.num, sizeof(cmd.parm.num), "%d", - (int) simple_strtoul(status + 7, NULL, 16)); + (int)simple_strtoul(status + 7, NULL, 16)); break; case 7: status += 3; @@ -604,7 +605,7 @@ icn_putmsg(icn_card *card, unsigned char c) static void icn_polldchan(unsigned long data) { - icn_card *card = (icn_card *) data; + icn_card *card = (icn_card *)data; int mch = card->secondhalf ? 2 : 0; int avail = 0; int left; @@ -656,9 +657,8 @@ icn_polldchan(unsigned long data) *q = '\0'; strcat(vstr, "000"); vstr[3] = '\0'; - card->fw_rev = (int) simple_strtoul(vstr, NULL, 10); + card->fw_rev = (int)simple_strtoul(vstr, NULL, 10); continue; - } } } else { @@ -683,7 +683,7 @@ icn_polldchan(unsigned long data) card->flags |= ICN_FLAGS_RBTIMER; del_timer(&card->rb_timer); card->rb_timer.function = icn_pollbchan; - card->rb_timer.data = (unsigned long) card; + card->rb_timer.data = (unsigned long)card; card->rb_timer.expires = jiffies + ICN_TIMER_BCREAD; add_timer(&card->rb_timer); } @@ -805,17 +805,12 @@ icn_loadboot(u_char __user *buffer, icn_card *card) unsigned long flags; #ifdef BOOT_DEBUG - printk(KERN_DEBUG "icn_loadboot called, buffaddr=%08lx\n", (ulong) buffer); + printk(KERN_DEBUG "icn_loadboot called, buffaddr=%08lx\n", (ulong)buffer); #endif - if (!(codebuf = kmalloc(ICN_CODE_STAGE1, GFP_KERNEL))) { - printk(KERN_WARNING "icn: Could not allocate code buffer\n"); - ret = -ENOMEM; - goto out; - } - if (copy_from_user(codebuf, buffer, ICN_CODE_STAGE1)) { - ret = -EFAULT; - goto out_kfree; - } + codebuf = memdup_user(buffer, ICN_CODE_STAGE1); + if (IS_ERR(codebuf)) + return PTR_ERR(codebuf); + if (!card->rvalid) { if (!request_region(card->port, ICN_PORTLEN, card->regname)) { printk(KERN_WARNING @@ -878,9 +873,9 @@ icn_loadboot(u_char __user *buffer, icn_card *card) } SLEEP(1); OUTB_P(0xff, ICN_RUN); /* Start Boot-Code */ - if ((ret = icn_check_loader(card->doubleS0 ? 2 : 1))) { + ret = icn_check_loader(card->doubleS0 ? 2 : 1); + if (ret) goto out_kfree; - } if (!card->doubleS0) { ret = 0; goto out_kfree; @@ -898,7 +893,6 @@ icn_loadboot(u_char __user *buffer, icn_card *card) out_kfree: kfree(codebuf); -out: return ret; } @@ -980,18 +974,17 @@ icn_loadproto(u_char __user *buffer, icn_card *card) card->secondhalf); #endif spin_lock_irqsave(&card->lock, flags); - init_timer(&card->st_timer); - card->st_timer.expires = jiffies + ICN_TIMER_DCREAD; - card->st_timer.function = icn_polldchan; - card->st_timer.data = (unsigned long) card; - add_timer(&card->st_timer); + setup_timer(&card->st_timer, icn_polldchan, + (unsigned long)card); + mod_timer(&card->st_timer, + jiffies + ICN_TIMER_DCREAD); card->flags |= ICN_FLAGS_RUNNING; if (card->doubleS0) { - init_timer(&card->other->st_timer); - card->other->st_timer.expires = jiffies + ICN_TIMER_DCREAD; - card->other->st_timer.function = icn_polldchan; - card->other->st_timer.data = (unsigned long) card->other; - add_timer(&card->other->st_timer); + setup_timer(&card->other->st_timer, + icn_polldchan, + (unsigned long)card->other); + mod_timer(&card->other->st_timer, + jiffies + ICN_TIMER_DCREAD); card->other->flags |= ICN_FLAGS_RUNNING; } spin_unlock_irqrestore(&card->lock, flags); @@ -1022,7 +1015,8 @@ icn_readstatus(u_char __user *buf, int len, icn_card *card) /* Put command-strings into the command-queue of the Interface */ static int -icn_writecmd(const u_char *buf, int len, int user, icn_card *card) +icn_writecmd(const u_char __user *ubuf, const u_char *kbuf, int len, + int user, icn_card *card) { int mch = card->secondhalf ? 2 : 0; int pp; @@ -1045,10 +1039,10 @@ icn_writecmd(const u_char *buf, int len, int user, icn_card *card) if (count > len) count = len; if (user) { - if (copy_from_user(msg, buf, count)) + if (copy_from_user(msg, ubuf, count)) return -EFAULT; } else - memcpy(msg, buf, count); + memcpy(msg, kbuf, count); spin_lock_irqsave(&dev.devlock, flags); lastmap_card = dev.mcard; @@ -1190,28 +1184,28 @@ icn_command(isdn_ctrl *c, icn_card *card) } break; case ICN_IOCTL_GETMMIO: - return (long) dev.memaddr; + return (long)dev.memaddr; case ICN_IOCTL_SETPORT: if (a == 0x300 || a == 0x310 || a == 0x320 || a == 0x330 || a == 0x340 || a == 0x350 || a == 0x360 || a == 0x308 || a == 0x318 || a == 0x328 || a == 0x338 || a == 0x348 || a == 0x358 || a == 0x368) { - if (card->port != (unsigned short) a) { - if (!request_region((unsigned short) a, ICN_PORTLEN, "icn-isdn")) { + if (card->port != (unsigned short)a) { + if (!request_region((unsigned short)a, ICN_PORTLEN, "icn-isdn")) { printk(KERN_WARNING "icn: (%s) ports 0x%03x-0x%03x in use.\n", - CID, (int) a, (int) a + ICN_PORTLEN); + CID, (int)a, (int)a + ICN_PORTLEN); return -EINVAL; } - release_region((unsigned short) a, ICN_PORTLEN); + release_region((unsigned short)a, ICN_PORTLEN); icn_stopcard(card); spin_lock_irqsave(&card->lock, flags); if (card->rvalid) release_region(card->port, ICN_PORTLEN); - card->port = (unsigned short) a; + card->port = (unsigned short)a; card->rvalid = 0; if (card->doubleS0) { - card->other->port = (unsigned short) a; + card->other->port = (unsigned short)a; card->other->rvalid = 0; } spin_unlock_irqrestore(&card->lock, flags); @@ -1223,9 +1217,9 @@ icn_command(isdn_ctrl *c, icn_card *card) return -EINVAL; break; case ICN_IOCTL_GETPORT: - return (int) card->port; + return (int)card->port; case ICN_IOCTL_GETDOUBLE: - return (int) card->doubleS0; + return (int)card->doubleS0; case ICN_IOCTL_DEBUGVAR: if (copy_to_user(arg, &card, @@ -1246,10 +1240,11 @@ icn_command(isdn_ctrl *c, icn_card *card) dev.firstload = 0; } icn_stopcard(card); - return (icn_loadboot(arg, card)); + return icn_loadboot(arg, card); case ICN_IOCTL_LOADPROTO: icn_stopcard(card); - if ((i = (icn_loadproto(arg, card)))) + i = (icn_loadproto(arg, card)); + if (i) return i; if (card->doubleS0) i = icn_loadproto(arg + ICN_CODE_STAGE2, card->other); @@ -1262,19 +1257,20 @@ icn_command(isdn_ctrl *c, icn_card *card) arg, sizeof(cdef))) return -EFAULT; - return (icn_addcard(cdef.port, cdef.id1, cdef.id2)); + return icn_addcard(cdef.port, cdef.id1, cdef.id2); break; case ICN_IOCTL_LEASEDCFG: if (a) { if (!card->leased) { card->leased = 1; - while (card->ptype == ISDN_PTYPE_UNKNOWN) { + while (card->ptype == ISDN_PTYPE_UNKNOWN) msleep_interruptible(ICN_BOOT_TIMEOUT1); - } msleep_interruptible(ICN_BOOT_TIMEOUT1); sprintf(cbuf, "00;FV2ON\n01;EAZ%c\n02;EAZ%c\n", (a & 1) ? '1' : 'C', (a & 2) ? '2' : 'C'); - i = icn_writecmd(cbuf, strlen(cbuf), 0, card); + i = icn_writecmd(NULL, cbuf, + strlen(cbuf), + 0, card); printk(KERN_INFO "icn: (%s) Leased-line mode enabled\n", CID); @@ -1287,7 +1283,9 @@ icn_command(isdn_ctrl *c, icn_card *card) if (card->leased) { card->leased = 0; sprintf(cbuf, "00;FV2OFF\n"); - i = icn_writecmd(cbuf, strlen(cbuf), 0, card); + i = icn_writecmd(NULL, cbuf, + strlen(cbuf), + 0, card); printk(KERN_INFO "icn: (%s) Leased-line mode disabled\n", CID); @@ -1321,10 +1319,10 @@ icn_command(isdn_ctrl *c, icn_card *card) /* Normal Dial */ strcpy(dcode, "CAL"); snprintf(cbuf, sizeof(cbuf), - "%02d;D%s_R%s,%02d,%02d,%s\n", (int) (a + 1), + "%02d;D%s_R%s,%02d,%02d,%s\n", (int)(a + 1), dcode, p, c->parm.setup.si1, c->parm.setup.si2, c->parm.setup.eazmsn); - i = icn_writecmd(cbuf, strlen(cbuf), 0, card); + i = icn_writecmd(NULL, cbuf, strlen(cbuf), 0, card); } break; case ISDN_CMD_ACCEPTD: @@ -1335,16 +1333,18 @@ icn_command(isdn_ctrl *c, icn_card *card) if (card->fw_rev >= 300) { switch (card->l2_proto[a - 1]) { case ISDN_PROTO_L2_X75I: - sprintf(cbuf, "%02d;BX75\n", (int) a); + sprintf(cbuf, "%02d;BX75\n", (int)a); break; case ISDN_PROTO_L2_HDLC: - sprintf(cbuf, "%02d;BTRA\n", (int) a); + sprintf(cbuf, "%02d;BTRA\n", (int)a); break; } - i = icn_writecmd(cbuf, strlen(cbuf), 0, card); + i = icn_writecmd(NULL, cbuf, + strlen(cbuf), 0, + card); } - sprintf(cbuf, "%02d;DCON_R\n", (int) a); - i = icn_writecmd(cbuf, strlen(cbuf), 0, card); + sprintf(cbuf, "%02d;DCON_R\n", (int)a); + i = icn_writecmd(NULL, cbuf, strlen(cbuf), 0, card); } break; case ISDN_CMD_ACCEPTB: @@ -1355,14 +1355,14 @@ icn_command(isdn_ctrl *c, icn_card *card) if (card->fw_rev >= 300) switch (card->l2_proto[a - 1]) { case ISDN_PROTO_L2_X75I: - sprintf(cbuf, "%02d;BCON_R,BX75\n", (int) a); + sprintf(cbuf, "%02d;BCON_R,BX75\n", (int)a); break; case ISDN_PROTO_L2_HDLC: - sprintf(cbuf, "%02d;BCON_R,BTRA\n", (int) a); + sprintf(cbuf, "%02d;BCON_R,BTRA\n", (int)a); break; } else - sprintf(cbuf, "%02d;BCON_R\n", (int) a); - i = icn_writecmd(cbuf, strlen(cbuf), 0, card); + sprintf(cbuf, "%02d;BCON_R\n", (int)a); + i = icn_writecmd(NULL, cbuf, strlen(cbuf), 0, card); } break; case ISDN_CMD_HANGUP: @@ -1370,8 +1370,8 @@ icn_command(isdn_ctrl *c, icn_card *card) return -ENODEV; if (c->arg < ICN_BCH) { a = c->arg + 1; - sprintf(cbuf, "%02d;BDIS_R\n%02d;DDIS_R\n", (int) a, (int) a); - i = icn_writecmd(cbuf, strlen(cbuf), 0, card); + sprintf(cbuf, "%02d;BDIS_R\n%02d;DDIS_R\n", (int)a, (int)a); + i = icn_writecmd(NULL, cbuf, strlen(cbuf), 0, card); } break; case ISDN_CMD_SETEAZ: @@ -1382,12 +1382,12 @@ icn_command(isdn_ctrl *c, icn_card *card) if (c->arg < ICN_BCH) { a = c->arg + 1; if (card->ptype == ISDN_PTYPE_EURO) { - sprintf(cbuf, "%02d;MS%s%s\n", (int) a, + sprintf(cbuf, "%02d;MS%s%s\n", (int)a, c->parm.num[0] ? "N" : "ALL", c->parm.num); } else - sprintf(cbuf, "%02d;EAZ%s\n", (int) a, + sprintf(cbuf, "%02d;EAZ%s\n", (int)a, c->parm.num[0] ? (char *)(c->parm.num) : "0123456789"); - i = icn_writecmd(cbuf, strlen(cbuf), 0, card); + i = icn_writecmd(NULL, cbuf, strlen(cbuf), 0, card); } break; case ISDN_CMD_CLREAZ: @@ -1398,10 +1398,10 @@ icn_command(isdn_ctrl *c, icn_card *card) if (c->arg < ICN_BCH) { a = c->arg + 1; if (card->ptype == ISDN_PTYPE_EURO) - sprintf(cbuf, "%02d;MSNC\n", (int) a); + sprintf(cbuf, "%02d;MSNC\n", (int)a); else - sprintf(cbuf, "%02d;EAZC\n", (int) a); - i = icn_writecmd(cbuf, strlen(cbuf), 0, card); + sprintf(cbuf, "%02d;EAZC\n", (int)a); + i = icn_writecmd(NULL, cbuf, strlen(cbuf), 0, card); } break; case ISDN_CMD_SETL2: @@ -1411,15 +1411,15 @@ icn_command(isdn_ctrl *c, icn_card *card) a = c->arg; switch (a >> 8) { case ISDN_PROTO_L2_X75I: - sprintf(cbuf, "%02d;BX75\n", (int) (a & 255) + 1); + sprintf(cbuf, "%02d;BX75\n", (int)(a & 255) + 1); break; case ISDN_PROTO_L2_HDLC: - sprintf(cbuf, "%02d;BTRA\n", (int) (a & 255) + 1); + sprintf(cbuf, "%02d;BTRA\n", (int)(a & 255) + 1); break; default: return -EINVAL; } - i = icn_writecmd(cbuf, strlen(cbuf), 0, card); + i = icn_writecmd(NULL, cbuf, strlen(cbuf), 0, card); card->l2_proto[a & 255] = (a >> 8); } break; @@ -1446,7 +1446,7 @@ icn_findcard(int driverid) return p; p = p->next; } - return (icn_card *) 0; + return (icn_card *)0; } /* @@ -1458,7 +1458,7 @@ if_command(isdn_ctrl *c) icn_card *card = icn_findcard(c->driver); if (card) - return (icn_command(c, card)); + return icn_command(c, card); printk(KERN_ERR "icn: if_command %d called with invalid driverId %d!\n", c->command, c->driver); @@ -1473,7 +1473,7 @@ if_writecmd(const u_char __user *buf, int len, int id, int channel) if (card) { if (!(card->flags & ICN_FLAGS_RUNNING)) return -ENODEV; - return (icn_writecmd(buf, len, 1, card)); + return icn_writecmd(buf, NULL, len, 1, card); } printk(KERN_ERR "icn: if_writecmd called with invalid driverId!\n"); @@ -1488,7 +1488,7 @@ if_readstatus(u_char __user *buf, int len, int id, int channel) if (card) { if (!(card->flags & ICN_FLAGS_RUNNING)) return -ENODEV; - return (icn_readstatus(buf, len, card)); + return icn_readstatus(buf, len, card); } printk(KERN_ERR "icn: if_readstatus called with invalid driverId!\n"); @@ -1503,7 +1503,7 @@ if_sendbuf(int id, int channel, int ack, struct sk_buff *skb) if (card) { if (!(card->flags & ICN_FLAGS_RUNNING)) return -ENODEV; - return (icn_sendbuf(channel, ack, skb, card)); + return icn_sendbuf(channel, ack, skb, card); } printk(KERN_ERR "icn: if_sendbuf called with invalid driverId!\n"); @@ -1520,10 +1520,11 @@ icn_initcard(int port, char *id) icn_card *card; int i; - if (!(card = kzalloc(sizeof(icn_card), GFP_KERNEL))) { + card = kzalloc(sizeof(icn_card), GFP_KERNEL); + if (!card) { printk(KERN_WARNING "icn: (%s) Could not allocate card-struct.\n", id); - return (icn_card *) 0; + return (icn_card *)0; } spin_lock_init(&card->lock); card->port = port; @@ -1555,7 +1556,7 @@ icn_initcard(int port, char *id) printk(KERN_WARNING "icn: Unable to register %s\n", id); kfree(card); - return (icn_card *) 0; + return (icn_card *)0; } card->myid = card->interface.channels; sprintf(card->regname, "icn-isdn (%s)", card->interface.id); @@ -1568,16 +1569,17 @@ icn_addcard(int port, char *id1, char *id2) icn_card *card; icn_card *card2; - if (!(card = icn_initcard(port, id1))) { + card = icn_initcard(port, id1); + if (!card) return -EIO; - } if (!strlen(id2)) { printk(KERN_INFO "icn: (%s) ICN-2B, port 0x%x added\n", card->interface.id, port); return 0; } - if (!(card2 = icn_initcard(port, id2))) { + card2 = icn_initcard(port, id2); + if (!card2) { printk(KERN_INFO "icn: (%s) half ICN-4B, port 0x%x added\n", id2, port); return 0; @@ -1611,13 +1613,14 @@ icn_setup(char *line) if (str && *str) { strlcpy(sid, str, sizeof(sid)); icn_id = sid; - if ((p = strchr(sid, ','))) { + p = strchr(sid, ','); + if (p) { *p++ = 0; strcpy(sid2, p); icn_id2 = sid2; } } - return (1); + return 1; } __setup("icn=", icn_setup); #endif /* MODULE */ @@ -1634,7 +1637,8 @@ static int __init icn_init(void) dev.firstload = 1; spin_lock_init(&dev.devlock); - if ((p = strchr(revision, ':'))) { + p = strchr(revision, ':'); + if (p) { strncpy(rev, p + 1, 20); rev[20] = '\0'; p = strchr(rev, '$'); @@ -1644,7 +1648,7 @@ static int __init icn_init(void) strcpy(rev, " ??? "); printk(KERN_NOTICE "ICN-ISDN-driver Rev%smem=0x%08lx\n", rev, dev.memaddr); - return (icn_addcard(portbase, icn_id, icn_id2)); + return icn_addcard(portbase, icn_id, icn_id2); } static void __exit icn_exit(void) diff --git a/drivers/staging/i4l/pcbit/capi.c b/drivers/staging/i4l/pcbit/capi.c index 4e3cbf857d60..373f90feda5a 100644 --- a/drivers/staging/i4l/pcbit/capi.c +++ b/drivers/staging/i4l/pcbit/capi.c @@ -92,9 +92,7 @@ int capi_conn_req(const char *calledPN, struct sk_buff **skb, int proto) *(skb_put(*skb, 1)) = 0x80; /* Speech */ *(skb_put(*skb, 1)) = 0x10; /* Circuit Mode */ *(skb_put(*skb, 1)) = 0x23; /* A-law */ - } - else - { + } else { /* Bearer Capability - Mandatory*/ *(skb_put(*skb, 1)) = 2; /* BC0.Length */ *(skb_put(*skb, 1)) = 0x88; /* Digital Information */ diff --git a/drivers/staging/i4l/pcbit/drv.c b/drivers/staging/i4l/pcbit/drv.c index c5270e229efb..d417df5efb5f 100644 --- a/drivers/staging/i4l/pcbit/drv.c +++ b/drivers/staging/i4l/pcbit/drv.c @@ -359,11 +359,9 @@ static int pcbit_xmit(int driver, int chnum, int ack, struct sk_buff *skb) */ #ifdef BLOCK_TIMER if (chan->block_timer.function == NULL) { - init_timer(&chan->block_timer); - chan->block_timer.function = &pcbit_block_timer; - chan->block_timer.data = (long) chan; - chan->block_timer.expires = jiffies + 1 * HZ; - add_timer(&chan->block_timer); + setup_timer(&chan->block_timer, &pcbit_block_timer, + (long)chan); + mod_timer(&chan->block_timer, jiffies + 1 * HZ); } #endif return 0; @@ -804,11 +802,7 @@ static int set_protocol_running(struct pcbit_dev *dev) { isdn_ctrl ctl; - init_timer(&dev->set_running_timer); - - dev->set_running_timer.function = &set_running_timeout; - dev->set_running_timer.data = (ulong) dev; - dev->set_running_timer.expires = jiffies + SET_RUN_TIMEOUT; + setup_timer(&dev->set_running_timer, &set_running_timeout, (ulong)dev); /* kick it */ @@ -817,7 +811,7 @@ static int set_protocol_running(struct pcbit_dev *dev) writeb((0x80U | ((dev->rcv_seq & 0x07) << 3) | (dev->send_seq & 0x07)), dev->sh_mem + BANK4); - add_timer(&dev->set_running_timer); + mod_timer(&dev->set_running_timer, jiffies + SET_RUN_TIMEOUT); wait_event(dev->set_running_wq, dev->l2_state == L2_RUNNING || dev->l2_state == L2_DOWN); diff --git a/drivers/staging/i4l/pcbit/edss1.c b/drivers/staging/i4l/pcbit/edss1.c index e72c16420712..6d291d548423 100644 --- a/drivers/staging/i4l/pcbit/edss1.c +++ b/drivers/staging/i4l/pcbit/edss1.c @@ -298,11 +298,8 @@ void pcbit_fsm_event(struct pcbit_dev *dev, struct pcbit_chan *chan, break; if (tentry->init != 0xff) { - init_timer(&chan->fsm_timer); - chan->fsm_timer.function = &pcbit_fsm_timer; - chan->fsm_timer.data = (ulong) chan; - chan->fsm_timer.expires = jiffies + tentry->timeout * HZ; - add_timer(&chan->fsm_timer); + setup_timer(&chan->fsm_timer, &pcbit_fsm_timer, (ulong)chan); + mod_timer(&chan->fsm_timer, jiffies + tentry->timeout * HZ); } spin_unlock_irqrestore(&dev->lock, flags); diff --git a/drivers/staging/i4l/pcbit/layer2.c b/drivers/staging/i4l/pcbit/layer2.c index 46e1240ae074..a136c72547e5 100644 --- a/drivers/staging/i4l/pcbit/layer2.c +++ b/drivers/staging/i4l/pcbit/layer2.c @@ -645,11 +645,9 @@ pcbit_l2_error(struct pcbit_dev *dev) dev->l2_state = L2_DOWN; - init_timer(&dev->error_recover_timer); - dev->error_recover_timer.function = &pcbit_l2_err_recover; - dev->error_recover_timer.data = (ulong) dev; - dev->error_recover_timer.expires = jiffies + ERRTIME; - add_timer(&dev->error_recover_timer); + setup_timer(&dev->error_recover_timer, &pcbit_l2_err_recover, + (ulong)dev); + mod_timer(&dev->error_recover_timer, jiffies + ERRTIME); } } diff --git a/drivers/staging/iio/light/isl29018.c b/drivers/staging/iio/light/isl29018.c index 76d9f74e7dcb..f47a17d7f6b3 100644 --- a/drivers/staging/iio/light/isl29018.c +++ b/drivers/staging/iio/light/isl29018.c @@ -32,25 +32,25 @@ #include <linux/iio/sysfs.h> #include <linux/acpi.h> -#define CONVERSION_TIME_MS 100 +#define ISL29018_CONV_TIME_MS 100 #define ISL29018_REG_ADD_COMMAND1 0x00 -#define COMMMAND1_OPMODE_SHIFT 5 -#define COMMMAND1_OPMODE_MASK (7 << COMMMAND1_OPMODE_SHIFT) -#define COMMMAND1_OPMODE_POWER_DOWN 0 -#define COMMMAND1_OPMODE_ALS_ONCE 1 -#define COMMMAND1_OPMODE_IR_ONCE 2 -#define COMMMAND1_OPMODE_PROX_ONCE 3 +#define ISL29018_CMD1_OPMODE_SHIFT 5 +#define ISL29018_CMD1_OPMODE_MASK (7 << ISL29018_CMD1_OPMODE_SHIFT) +#define ISL29018_CMD1_OPMODE_POWER_DOWN 0 +#define ISL29018_CMD1_OPMODE_ALS_ONCE 1 +#define ISL29018_CMD1_OPMODE_IR_ONCE 2 +#define ISL29018_CMD1_OPMODE_PROX_ONCE 3 -#define ISL29018_REG_ADD_COMMANDII 0x01 -#define COMMANDII_RESOLUTION_SHIFT 2 -#define COMMANDII_RESOLUTION_MASK (0x3 << COMMANDII_RESOLUTION_SHIFT) +#define ISL29018_REG_ADD_COMMAND2 0x01 +#define ISL29018_CMD2_RESOLUTION_SHIFT 2 +#define ISL29018_CMD2_RESOLUTION_MASK (0x3 << ISL29018_CMD2_RESOLUTION_SHIFT) -#define COMMANDII_RANGE_SHIFT 0 -#define COMMANDII_RANGE_MASK (0x3 << COMMANDII_RANGE_SHIFT) +#define ISL29018_CMD2_RANGE_SHIFT 0 +#define ISL29018_CMD2_RANGE_MASK (0x3 << ISL29018_CMD2_RANGE_SHIFT) -#define COMMANDII_SCHEME_SHIFT 7 -#define COMMANDII_SCHEME_MASK (0x1 << COMMANDII_SCHEME_SHIFT) +#define ISL29018_CMD2_SCHEME_SHIFT 7 +#define ISL29018_CMD2_SCHEME_MASK (0x1 << ISL29018_CMD2_SCHEME_SHIFT) #define ISL29018_REG_ADD_DATA_LSB 0x02 #define ISL29018_REG_ADD_DATA_MSB 0x03 @@ -127,13 +127,13 @@ static int isl29018_set_integration_time(struct isl29018_chip *chip, if (i >= ARRAY_SIZE(isl29018_int_utimes[chip->type])) return -EINVAL; - ret = regmap_update_bits(chip->regmap, ISL29018_REG_ADD_COMMANDII, - COMMANDII_RESOLUTION_MASK, - i << COMMANDII_RESOLUTION_SHIFT); + ret = regmap_update_bits(chip->regmap, ISL29018_REG_ADD_COMMAND2, + ISL29018_CMD2_RESOLUTION_MASK, + i << ISL29018_CMD2_RESOLUTION_SHIFT); if (ret < 0) return ret; - /* keep the same range when integration time changes */ + /* Keep the same range when integration time changes */ int_time = chip->int_time; for (i = 0; i < ARRAY_SIZE(isl29018_scales[int_time]); ++i) { if (chip->scale.scale == isl29018_scales[int_time][i].scale && @@ -163,9 +163,9 @@ static int isl29018_set_scale(struct isl29018_chip *chip, int scale, int uscale) if (i >= ARRAY_SIZE(isl29018_scales[chip->int_time])) return -EINVAL; - ret = regmap_update_bits(chip->regmap, ISL29018_REG_ADD_COMMANDII, - COMMANDII_RANGE_MASK, - i << COMMANDII_RANGE_SHIFT); + ret = regmap_update_bits(chip->regmap, ISL29018_REG_ADD_COMMAND2, + ISL29018_CMD2_RANGE_MASK, + i << ISL29018_CMD2_RANGE_SHIFT); if (ret < 0) return ret; @@ -183,13 +183,13 @@ static int isl29018_read_sensor_input(struct isl29018_chip *chip, int mode) /* Set mode */ status = regmap_write(chip->regmap, ISL29018_REG_ADD_COMMAND1, - mode << COMMMAND1_OPMODE_SHIFT); + mode << ISL29018_CMD1_OPMODE_SHIFT); if (status) { dev_err(dev, "Error in setting operating mode err %d\n", status); return status; } - msleep(CONVERSION_TIME_MS); + msleep(ISL29018_CONV_TIME_MS); status = regmap_read(chip->regmap, ISL29018_REG_ADD_DATA_LSB, &lsb); if (status < 0) { dev_err(dev, @@ -213,8 +213,8 @@ static int isl29018_read_lux(struct isl29018_chip *chip, int *lux) int lux_data; unsigned int data_x_range; - lux_data = isl29018_read_sensor_input(chip, COMMMAND1_OPMODE_ALS_ONCE); - + lux_data = isl29018_read_sensor_input(chip, + ISL29018_CMD1_OPMODE_ALS_ONCE); if (lux_data < 0) return lux_data; @@ -230,8 +230,8 @@ static int isl29018_read_ir(struct isl29018_chip *chip, int *ir) { int ir_data; - ir_data = isl29018_read_sensor_input(chip, COMMMAND1_OPMODE_IR_ONCE); - + ir_data = isl29018_read_sensor_input(chip, + ISL29018_CMD1_OPMODE_IR_ONCE); if (ir_data < 0) return ir_data; @@ -249,16 +249,16 @@ static int isl29018_read_proximity_ir(struct isl29018_chip *chip, int scheme, struct device *dev = regmap_get_device(chip->regmap); /* Do proximity sensing with required scheme */ - status = regmap_update_bits(chip->regmap, ISL29018_REG_ADD_COMMANDII, - COMMANDII_SCHEME_MASK, - scheme << COMMANDII_SCHEME_SHIFT); + status = regmap_update_bits(chip->regmap, ISL29018_REG_ADD_COMMAND2, + ISL29018_CMD2_SCHEME_MASK, + scheme << ISL29018_CMD2_SCHEME_SHIFT); if (status) { dev_err(dev, "Error in setting operating mode\n"); return status; } prox_data = isl29018_read_sensor_input(chip, - COMMMAND1_OPMODE_PROX_ONCE); + ISL29018_CMD1_OPMODE_PROX_ONCE); if (prox_data < 0) return prox_data; @@ -267,8 +267,8 @@ static int isl29018_read_proximity_ir(struct isl29018_chip *chip, int scheme, return 0; } - ir_data = isl29018_read_sensor_input(chip, COMMMAND1_OPMODE_IR_ONCE); - + ir_data = isl29018_read_sensor_input(chip, + ISL29018_CMD1_OPMODE_IR_ONCE); if (ir_data < 0) return ir_data; @@ -280,7 +280,7 @@ static int isl29018_read_proximity_ir(struct isl29018_chip *chip, int scheme, return 0; } -static ssize_t show_scale_available(struct device *dev, +static ssize_t isl29018_show_scale_available(struct device *dev, struct device_attribute *attr, char *buf) { struct iio_dev *indio_dev = dev_to_iio_dev(dev); @@ -297,7 +297,7 @@ static ssize_t show_scale_available(struct device *dev, return len; } -static ssize_t show_int_time_available(struct device *dev, +static ssize_t isl29018_show_int_time_available(struct device *dev, struct device_attribute *attr, char *buf) { struct iio_dev *indio_dev = dev_to_iio_dev(dev); @@ -313,8 +313,7 @@ static ssize_t show_int_time_available(struct device *dev, return len; } -/* proximity scheme */ -static ssize_t show_prox_infrared_suppression(struct device *dev, +static ssize_t isl29018_show_prox_infrared_suppression(struct device *dev, struct device_attribute *attr, char *buf) { @@ -322,13 +321,13 @@ static ssize_t show_prox_infrared_suppression(struct device *dev, struct isl29018_chip *chip = iio_priv(indio_dev); /* - * return the "proximity scheme" i.e. if the chip does on chip + * Return the "proximity scheme" i.e. if the chip does on chip * infrared suppression (1 means perform on chip suppression) */ return sprintf(buf, "%d\n", chip->prox_scheme); } -static ssize_t store_prox_infrared_suppression(struct device *dev, +static ssize_t isl29018_store_prox_infrared_suppression(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { @@ -338,13 +337,11 @@ static ssize_t store_prox_infrared_suppression(struct device *dev, if (kstrtoint(buf, 10, &val)) return -EINVAL; - if (!(val == 0 || val == 1)) { - dev_err(dev, "The mode is not supported\n"); + if (!(val == 0 || val == 1)) return -EINVAL; - } /* - * get the "proximity scheme" i.e. if the chip does on chip + * Get the "proximity scheme" i.e. if the chip does on chip * infrared suppression (1 means perform on chip suppression) */ mutex_lock(&chip->lock); @@ -354,7 +351,6 @@ static ssize_t store_prox_infrared_suppression(struct device *dev, return count; } -/* Channel IO */ static int isl29018_write_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int val, @@ -491,13 +487,13 @@ static const struct iio_chan_spec isl29023_channels[] = { }; static IIO_DEVICE_ATTR(in_illuminance_integration_time_available, S_IRUGO, - show_int_time_available, NULL, 0); + isl29018_show_int_time_available, NULL, 0); static IIO_DEVICE_ATTR(in_illuminance_scale_available, S_IRUGO, - show_scale_available, NULL, 0); + isl29018_show_scale_available, NULL, 0); static IIO_DEVICE_ATTR(proximity_on_chip_ambient_infrared_suppression, S_IRUGO | S_IWUSR, - show_prox_infrared_suppression, - store_prox_infrared_suppression, 0); + isl29018_show_prox_infrared_suppression, + isl29018_store_prox_infrared_suppression, 0); #define ISL29018_DEV_ATTR(name) (&iio_dev_attr_##name.dev_attr.attr) @@ -541,7 +537,7 @@ static int isl29035_detect(struct isl29018_chip *chip) if (id != ISL29035_DEVICE_ID) return -ENODEV; - /* clear out brownout bit */ + /* Clear brownout bit */ return regmap_update_bits(chip->regmap, ISL29035_REG_DEVICE_ID, ISL29035_BOUT_MASK, 0); } @@ -574,7 +570,7 @@ static int isl29018_chip_init(struct isl29018_chip *chip) * conversions, clear the test registers, and then rewrite all * registers to the desired values. * ... - * FOR ISL29011, ISL29018, ISL29021, ISL29023 + * For ISL29011, ISL29018, ISL29021, ISL29023 * 1. Write 0x00 to register 0x08 (TEST) * 2. Write 0x00 to register 0x00 (CMD1) * 3. Rewrite all registers to the desired values @@ -603,7 +599,7 @@ static int isl29018_chip_init(struct isl29018_chip *chip) usleep_range(1000, 2000); /* per data sheet, page 10 */ - /* set defaults */ + /* Set defaults */ status = isl29018_set_scale(chip, chip->scale.scale, chip->scale.uscale); if (status < 0) { @@ -635,7 +631,7 @@ static const struct iio_info isl29023_info = { .write_raw = isl29018_write_raw, }; -static bool is_volatile_reg(struct device *dev, unsigned int reg) +static bool isl29018_is_volatile_reg(struct device *dev, unsigned int reg) { switch (reg) { case ISL29018_REG_ADD_DATA_LSB: @@ -649,37 +645,32 @@ static bool is_volatile_reg(struct device *dev, unsigned int reg) } } -/* - * isl29018_regmap_config: regmap configuration. - * Use RBTREE mechanism for caching. - */ static const struct regmap_config isl29018_regmap_config = { .reg_bits = 8, .val_bits = 8, - .volatile_reg = is_volatile_reg, + .volatile_reg = isl29018_is_volatile_reg, .max_register = ISL29018_REG_TEST, .num_reg_defaults_raw = ISL29018_REG_TEST + 1, .cache_type = REGCACHE_RBTREE, }; -/* isl29035_regmap_config: regmap configuration for ISL29035 */ static const struct regmap_config isl29035_regmap_config = { .reg_bits = 8, .val_bits = 8, - .volatile_reg = is_volatile_reg, + .volatile_reg = isl29018_is_volatile_reg, .max_register = ISL29035_REG_DEVICE_ID, .num_reg_defaults_raw = ISL29035_REG_DEVICE_ID + 1, .cache_type = REGCACHE_RBTREE, }; -struct chip_info { +struct isl29018_chip_info { const struct iio_chan_spec *channels; int num_channels; const struct iio_info *indio_info; const struct regmap_config *regmap_cfg; }; -static const struct chip_info chip_info_tbl[] = { +static const struct isl29018_chip_info isl29018_chip_info_tbl[] = { [isl29018] = { .channels = isl29018_channels, .num_channels = ARRAY_SIZE(isl29018_channels), @@ -724,10 +715,8 @@ static int isl29018_probe(struct i2c_client *client, int dev_id = 0; indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip)); - if (!indio_dev) { - dev_err(&client->dev, "iio allocation fails\n"); + if (!indio_dev) return -ENOMEM; - } chip = iio_priv(indio_dev); i2c_set_clientdata(client, indio_dev); @@ -750,7 +739,7 @@ static int isl29018_probe(struct i2c_client *client, chip->suspended = false; chip->regmap = devm_regmap_init_i2c(client, - chip_info_tbl[dev_id].regmap_cfg); + isl29018_chip_info_tbl[dev_id].regmap_cfg); if (IS_ERR(chip->regmap)) { err = PTR_ERR(chip->regmap); dev_err(&client->dev, "regmap initialization fails: %d\n", err); @@ -761,19 +750,13 @@ static int isl29018_probe(struct i2c_client *client, if (err) return err; - indio_dev->info = chip_info_tbl[dev_id].indio_info; - indio_dev->channels = chip_info_tbl[dev_id].channels; - indio_dev->num_channels = chip_info_tbl[dev_id].num_channels; + indio_dev->info = isl29018_chip_info_tbl[dev_id].indio_info; + indio_dev->channels = isl29018_chip_info_tbl[dev_id].channels; + indio_dev->num_channels = isl29018_chip_info_tbl[dev_id].num_channels; indio_dev->name = name; indio_dev->dev.parent = &client->dev; indio_dev->modes = INDIO_DIRECT_MODE; - err = devm_iio_device_register(&client->dev, indio_dev); - if (err) { - dev_err(&client->dev, "iio registration fails\n"); - return err; - } - - return 0; + return devm_iio_device_register(&client->dev, indio_dev); } #ifdef CONFIG_PM_SLEEP @@ -840,7 +823,6 @@ static const struct of_device_id isl29018_of_match[] = { MODULE_DEVICE_TABLE(of, isl29018_of_match); static struct i2c_driver isl29018_driver = { - .class = I2C_CLASS_HWMON, .driver = { .name = "isl29018", .acpi_match_table = ACPI_PTR(isl29018_acpi_match), diff --git a/drivers/staging/iio/light/isl29028.c b/drivers/staging/iio/light/isl29028.c index 2e3b1d64e32a..aa413e5878b9 100644 --- a/drivers/staging/iio/light/isl29028.c +++ b/drivers/staging/iio/light/isl29028.c @@ -27,29 +27,27 @@ #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> -#define CONVERSION_TIME_MS 100 +#define ISL29028_CONV_TIME_MS 100 #define ISL29028_REG_CONFIGURE 0x01 -#define CONFIGURE_ALS_IR_MODE_ALS 0 -#define CONFIGURE_ALS_IR_MODE_IR BIT(0) -#define CONFIGURE_ALS_IR_MODE_MASK BIT(0) +#define ISL29028_CONF_ALS_IR_MODE_ALS 0 +#define ISL29028_CONF_ALS_IR_MODE_IR BIT(0) +#define ISL29028_CONF_ALS_IR_MODE_MASK BIT(0) -#define CONFIGURE_ALS_RANGE_LOW_LUX 0 -#define CONFIGURE_ALS_RANGE_HIGH_LUX BIT(1) -#define CONFIGURE_ALS_RANGE_MASK BIT(1) +#define ISL29028_CONF_ALS_RANGE_LOW_LUX 0 +#define ISL29028_CONF_ALS_RANGE_HIGH_LUX BIT(1) +#define ISL29028_CONF_ALS_RANGE_MASK BIT(1) -#define CONFIGURE_ALS_DIS 0 -#define CONFIGURE_ALS_EN BIT(2) -#define CONFIGURE_ALS_EN_MASK BIT(2) +#define ISL29028_CONF_ALS_DIS 0 +#define ISL29028_CONF_ALS_EN BIT(2) +#define ISL29028_CONF_ALS_EN_MASK BIT(2) -#define CONFIGURE_PROX_DRIVE BIT(3) +#define ISL29028_CONF_PROX_SLP_SH 4 +#define ISL29028_CONF_PROX_SLP_MASK (7 << ISL29028_CONF_PROX_SLP_SH) -#define CONFIGURE_PROX_SLP_SH 4 -#define CONFIGURE_PROX_SLP_MASK (7 << CONFIGURE_PROX_SLP_SH) - -#define CONFIGURE_PROX_EN BIT(7) -#define CONFIGURE_PROX_EN_MASK BIT(7) +#define ISL29028_CONF_PROX_EN BIT(7) +#define ISL29028_CONF_PROX_EN_MASK BIT(7) #define ISL29028_REG_INTERRUPT 0x02 @@ -62,10 +60,10 @@ #define ISL29028_NUM_REGS (ISL29028_REG_TEST2_MODE + 1) -enum als_ir_mode { - MODE_NONE = 0, - MODE_ALS, - MODE_IR +enum isl29028_als_ir_mode { + ISL29028_MODE_NONE = 0, + ISL29028_MODE_ALS, + ISL29028_MODE_IR, }; struct isl29028_chip { @@ -76,7 +74,7 @@ struct isl29028_chip { bool enable_prox; int lux_scale; - int als_ir_mode; + enum isl29028_als_ir_mode als_ir_mode; }; static int isl29028_set_proxim_sampling(struct isl29028_chip *chip, @@ -91,7 +89,8 @@ static int isl29028_set_proxim_sampling(struct isl29028_chip *chip, break; } return regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, - CONFIGURE_PROX_SLP_MASK, sel << CONFIGURE_PROX_SLP_SH); + ISL29028_CONF_PROX_SLP_MASK, + sel << ISL29028_CONF_PROX_SLP_SH); } static int isl29028_enable_proximity(struct isl29028_chip *chip, bool enable) @@ -100,9 +99,9 @@ static int isl29028_enable_proximity(struct isl29028_chip *chip, bool enable) int val = 0; if (enable) - val = CONFIGURE_PROX_EN; + val = ISL29028_CONF_PROX_EN; ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, - CONFIGURE_PROX_EN_MASK, val); + ISL29028_CONF_PROX_EN_MASK, val); if (ret < 0) return ret; @@ -113,40 +112,40 @@ static int isl29028_enable_proximity(struct isl29028_chip *chip, bool enable) static int isl29028_set_als_scale(struct isl29028_chip *chip, int lux_scale) { - int val = (lux_scale == 2000) ? CONFIGURE_ALS_RANGE_HIGH_LUX : - CONFIGURE_ALS_RANGE_LOW_LUX; + int val = (lux_scale == 2000) ? ISL29028_CONF_ALS_RANGE_HIGH_LUX : + ISL29028_CONF_ALS_RANGE_LOW_LUX; return regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, - CONFIGURE_ALS_RANGE_MASK, val); + ISL29028_CONF_ALS_RANGE_MASK, val); } static int isl29028_set_als_ir_mode(struct isl29028_chip *chip, - enum als_ir_mode mode) + enum isl29028_als_ir_mode mode) { int ret = 0; switch (mode) { - case MODE_ALS: + case ISL29028_MODE_ALS: ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, - CONFIGURE_ALS_IR_MODE_MASK, - CONFIGURE_ALS_IR_MODE_ALS); + ISL29028_CONF_ALS_IR_MODE_MASK, + ISL29028_CONF_ALS_IR_MODE_ALS); if (ret < 0) return ret; ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, - CONFIGURE_ALS_RANGE_MASK, - CONFIGURE_ALS_RANGE_HIGH_LUX); + ISL29028_CONF_ALS_RANGE_MASK, + ISL29028_CONF_ALS_RANGE_HIGH_LUX); break; - case MODE_IR: + case ISL29028_MODE_IR: ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, - CONFIGURE_ALS_IR_MODE_MASK, - CONFIGURE_ALS_IR_MODE_IR); + ISL29028_CONF_ALS_IR_MODE_MASK, + ISL29028_CONF_ALS_IR_MODE_IR); break; - case MODE_NONE: + case ISL29028_MODE_NONE: return regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, - CONFIGURE_ALS_EN_MASK, CONFIGURE_ALS_DIS); + ISL29028_CONF_ALS_EN_MASK, ISL29028_CONF_ALS_DIS); } if (ret < 0) @@ -154,12 +153,13 @@ static int isl29028_set_als_ir_mode(struct isl29028_chip *chip, /* Enable the ALS/IR */ ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, - CONFIGURE_ALS_EN_MASK, CONFIGURE_ALS_EN); + ISL29028_CONF_ALS_EN_MASK, + ISL29028_CONF_ALS_EN); if (ret < 0) return ret; /* Need to wait for conversion time if ALS/IR mode enabled */ - mdelay(CONVERSION_TIME_MS); + mdelay(ISL29028_CONV_TIME_MS); return 0; } @@ -223,14 +223,14 @@ static int isl29028_als_get(struct isl29028_chip *chip, int *als_data) int ret; int als_ir_data; - if (chip->als_ir_mode != MODE_ALS) { - ret = isl29028_set_als_ir_mode(chip, MODE_ALS); + if (chip->als_ir_mode != ISL29028_MODE_ALS) { + ret = isl29028_set_als_ir_mode(chip, ISL29028_MODE_ALS); if (ret < 0) { dev_err(dev, "Error in enabling ALS mode err %d\n", ret); return ret; } - chip->als_ir_mode = MODE_ALS; + chip->als_ir_mode = ISL29028_MODE_ALS; } ret = isl29028_read_als_ir(chip, &als_ir_data); @@ -256,14 +256,14 @@ static int isl29028_ir_get(struct isl29028_chip *chip, int *ir_data) struct device *dev = regmap_get_device(chip->regmap); int ret; - if (chip->als_ir_mode != MODE_IR) { - ret = isl29028_set_als_ir_mode(chip, MODE_IR); + if (chip->als_ir_mode != ISL29028_MODE_IR) { + ret = isl29028_set_als_ir_mode(chip, ISL29028_MODE_IR); if (ret < 0) { dev_err(dev, "Error in enabling IR mode err %d\n", ret); return ret; } - chip->als_ir_mode = MODE_IR; + chip->als_ir_mode = ISL29028_MODE_IR; } return isl29028_read_als_ir(chip, ir_data); } @@ -383,8 +383,8 @@ static int isl29028_read_raw(struct iio_dev *indio_dev, } static IIO_CONST_ATTR(in_proximity_sampling_frequency_available, - "1, 3, 5, 10, 13, 20, 83, 100"); -static IIO_CONST_ATTR(in_illuminance_scale_available, "125, 2000"); + "1 3 5 10 13 20 83 100"); +static IIO_CONST_ATTR(in_illuminance_scale_available, "125 2000"); #define ISL29028_DEV_ATTR(name) (&iio_dev_attr_##name.dev_attr.attr) #define ISL29028_CONST_ATTR(name) (&iio_const_attr_##name.dev_attr.attr) @@ -428,7 +428,7 @@ static int isl29028_chip_init(struct isl29028_chip *chip) chip->enable_prox = false; chip->prox_sampling = 20; chip->lux_scale = 2000; - chip->als_ir_mode = MODE_NONE; + chip->als_ir_mode = ISL29028_MODE_NONE; ret = regmap_write(chip->regmap, ISL29028_REG_TEST1_MODE, 0x0); if (ret < 0) { @@ -462,7 +462,7 @@ static int isl29028_chip_init(struct isl29028_chip *chip) return ret; } -static bool is_volatile_reg(struct device *dev, unsigned int reg) +static bool isl29028_is_volatile_reg(struct device *dev, unsigned int reg) { switch (reg) { case ISL29028_REG_INTERRUPT: @@ -478,7 +478,7 @@ static bool is_volatile_reg(struct device *dev, unsigned int reg) static const struct regmap_config isl29028_regmap_config = { .reg_bits = 8, .val_bits = 8, - .volatile_reg = is_volatile_reg, + .volatile_reg = isl29028_is_volatile_reg, .max_register = ISL29028_NUM_REGS - 1, .num_reg_defaults_raw = ISL29028_NUM_REGS, .cache_type = REGCACHE_RBTREE, @@ -546,7 +546,6 @@ static const struct of_device_id isl29028_of_match[] = { MODULE_DEVICE_TABLE(of, isl29028_of_match); static struct i2c_driver isl29028_driver = { - .class = I2C_CLASS_HWMON, .driver = { .name = "isl29028", .of_match_table = isl29028_of_match, diff --git a/drivers/staging/iio/meter/ade7854.c b/drivers/staging/iio/meter/ade7854.c index 75e8685e6df2..24edbc39ab4e 100644 --- a/drivers/staging/iio/meter/ade7854.c +++ b/drivers/staging/iio/meter/ade7854.c @@ -23,8 +23,8 @@ #include "ade7854.h" static ssize_t ade7854_read_8bit(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, + char *buf) { int ret; u8 val = 0; @@ -40,8 +40,8 @@ static ssize_t ade7854_read_8bit(struct device *dev, } static ssize_t ade7854_read_16bit(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, + char *buf) { int ret; u16 val = 0; @@ -57,8 +57,8 @@ static ssize_t ade7854_read_16bit(struct device *dev, } static ssize_t ade7854_read_24bit(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, + char *buf) { int ret; u32 val; @@ -74,8 +74,8 @@ static ssize_t ade7854_read_24bit(struct device *dev, } static ssize_t ade7854_read_32bit(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, + char *buf) { int ret; u32 val = 0; @@ -91,9 +91,9 @@ static ssize_t ade7854_read_32bit(struct device *dev, } static ssize_t ade7854_write_8bit(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) + struct device_attribute *attr, + const char *buf, + size_t len) { struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); struct iio_dev *indio_dev = dev_to_iio_dev(dev); @@ -112,9 +112,9 @@ error_ret: } static ssize_t ade7854_write_16bit(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) + struct device_attribute *attr, + const char *buf, + size_t len) { struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); struct iio_dev *indio_dev = dev_to_iio_dev(dev); @@ -133,9 +133,9 @@ error_ret: } static ssize_t ade7854_write_24bit(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) + struct device_attribute *attr, + const char *buf, + size_t len) { struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); struct iio_dev *indio_dev = dev_to_iio_dev(dev); @@ -154,9 +154,9 @@ error_ret: } static ssize_t ade7854_write_32bit(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) + struct device_attribute *attr, + const char *buf, + size_t len) { struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); struct iio_dev *indio_dev = dev_to_iio_dev(dev); diff --git a/drivers/staging/ks7010/ks7010_sdio.c b/drivers/staging/ks7010/ks7010_sdio.c index b7337fd813d5..47b69cbdb45b 100644 --- a/drivers/staging/ks7010/ks7010_sdio.c +++ b/drivers/staging/ks7010/ks7010_sdio.c @@ -297,11 +297,10 @@ static int enqueue_txdev(struct ks_wlan_private *priv, unsigned char *p, static int write_to_device(struct ks_wlan_private *priv, unsigned char *buffer, unsigned long size) { - int rc, retval; + int retval; unsigned char rw_data; struct hostif_hdr *hdr; hdr = (struct hostif_hdr *)buffer; - rc = 0; DPRINTK(4, "size=%d\n", hdr->size); if (hdr->event < HIF_DATA_REQ || HIF_REQ_MAX < hdr->event) { @@ -711,7 +710,6 @@ static int ks7010_sdio_update_index(struct ks_wlan_private *priv, u32 index) int rc = 0; int retval; unsigned char *data_buf; - data_buf = NULL; data_buf = kmalloc(sizeof(u32), GFP_KERNEL); if (!data_buf) { @@ -732,8 +730,7 @@ static int ks7010_sdio_update_index(struct ks_wlan_private *priv, u32 index) goto error_out; } error_out: - if (data_buf) - kfree(data_buf); + kfree(data_buf); return rc; } @@ -744,7 +741,7 @@ static int ks7010_sdio_data_compare(struct ks_wlan_private *priv, u32 address, int rc = 0; int retval; unsigned char *read_buf; - read_buf = NULL; + read_buf = kmalloc(ROM_BUFF_SIZE, GFP_KERNEL); if (!read_buf) { rc = 1; @@ -763,8 +760,7 @@ static int ks7010_sdio_data_compare(struct ks_wlan_private *priv, u32 address, goto error_out; } error_out: - if (read_buf) - kfree(read_buf); + kfree(read_buf); return rc; } @@ -778,8 +774,6 @@ static int ks7010_upload_firmware(struct ks_wlan_private *priv, int length; const struct firmware *fw_entry = NULL; - rom_buf = NULL; - /* buffer allocate */ rom_buf = kmalloc(ROM_BUFF_SIZE, GFP_KERNEL); if (!rom_buf) { @@ -879,8 +873,7 @@ static int ks7010_upload_firmware(struct ks_wlan_private *priv, release_firmware(fw_entry); error_out0: sdio_release_host(card->func); - if (rom_buf) - kfree(rom_buf); + kfree(rom_buf); return rc; } @@ -1141,7 +1134,6 @@ static void ks7010_sdio_remove(struct sdio_func *func) int ret; struct ks_sdio_card *card; struct ks_wlan_private *priv; - struct net_device *netdev; DPRINTK(1, "ks7010_sdio_remove()\n"); card = sdio_get_drvdata(func); @@ -1151,8 +1143,9 @@ static void ks7010_sdio_remove(struct sdio_func *func) DPRINTK(1, "priv = card->priv\n"); priv = card->priv; - netdev = priv->net_dev; if (priv) { + struct net_device *netdev = priv->net_dev; + ks_wlan_net_stop(netdev); DPRINTK(1, "ks_wlan_net_stop\n"); @@ -1199,9 +1192,7 @@ static void ks7010_sdio_remove(struct sdio_func *func) unregister_netdev(netdev); trx_device_exit(priv); - if (priv->ks_wlan_hw.read_buf) { - kfree(priv->ks_wlan_hw.read_buf); - } + kfree(priv->ks_wlan_hw.read_buf); free_netdev(priv->net_dev); card->priv = NULL; } diff --git a/drivers/staging/ks7010/ks_hostif.c b/drivers/staging/ks7010/ks_hostif.c index a8822fe2bd60..c5fc31c0038d 100644 --- a/drivers/staging/ks7010/ks_hostif.c +++ b/drivers/staging/ks7010/ks_hostif.c @@ -69,16 +69,20 @@ inline u32 get_DWORD(struct ks_wlan_private *priv) return data; } -void ks_wlan_hw_wakeup_task(struct work_struct *work) +static void ks_wlan_hw_wakeup_task(struct work_struct *work) { struct ks_wlan_private *priv = container_of(work, struct ks_wlan_private, ks_wlan_wakeup_task); int ps_status = atomic_read(&priv->psstatus.status); + long time_left; if (ps_status == PS_SNOOZE) { ks_wlan_hw_wakeup_request(priv); - if (!wait_for_completion_interruptible_timeout(&priv->psstatus.wakeup_wait, HZ / 50)) { /* 20ms timeout */ - DPRINTK(1, "wake up timeout !!!\n"); + time_left = wait_for_completion_interruptible_timeout( + &priv->psstatus.wakeup_wait, + msecs_to_jiffies(20)); + if (time_left <= 0) { + DPRINTK(1, "wake up timeout or interrupted !!!\n"); schedule_work(&priv->ks_wlan_wakeup_task); return; } @@ -481,8 +485,7 @@ void hostif_data_indication(struct ks_wlan_private *priv) netif_rx(skb); } else { printk(KERN_WARNING - "%s: Memory squeeze, dropping packet.\n", - skb->dev->name); + "ks_wlan: Memory squeeze, dropping packet.\n"); priv->nstats.rx_dropped++; } break; @@ -517,8 +520,7 @@ void hostif_data_indication(struct ks_wlan_private *priv) netif_rx(skb); } else { printk(KERN_WARNING - "%s: Memory squeeze, dropping packet.\n", - skb->dev->name); + "ks_wlan: Memory squeeze, dropping packet.\n"); priv->nstats.rx_dropped++; } break; @@ -1505,7 +1507,7 @@ void hostif_infrastructure_set_request(struct ks_wlan_private *priv) ks_wlan_hw_tx(priv, pp, hif_align_size(sizeof(*pp)), NULL, NULL, NULL); } -void hostif_infrastructure_set2_request(struct ks_wlan_private *priv) +static void hostif_infrastructure_set2_request(struct ks_wlan_private *priv) { struct hostif_infrastructure_set2_request_t *pp; uint16_t capability; diff --git a/drivers/staging/ks7010/michael_mic.c b/drivers/staging/ks7010/michael_mic.c index e14c109b3cab..d332678781d2 100644 --- a/drivers/staging/ks7010/michael_mic.c +++ b/drivers/staging/ks7010/michael_mic.c @@ -20,15 +20,21 @@ #define getUInt32( A, B ) (uint32_t)(A[B+0] << 0) + (A[B+1] << 8) + (A[B+2] << 16) + (A[B+3] << 24) // Convert from UInt32 to Byte[] in a portable way -#define putUInt32( A, B, C ) A[B+0] = (uint8_t) (C & 0xff); \ - A[B+1] = (uint8_t) ((C>>8) & 0xff); \ - A[B+2] = (uint8_t) ((C>>16) & 0xff); \ - A[B+3] = (uint8_t) ((C>>24) & 0xff) +#define putUInt32(A, B, C) \ +do { \ + A[B + 0] = (uint8_t)(C & 0xff); \ + A[B + 1] = (uint8_t)((C >> 8) & 0xff); \ + A[B + 2] = (uint8_t)((C >> 16) & 0xff); \ + A[B + 3] = (uint8_t)((C >> 24) & 0xff); \ +} while (0) // Reset the state to the empty message. -#define MichaelClear( A ) A->L = A->K0; \ - A->R = A->K1; \ - A->nBytesInM = 0; +#define MichaelClear(A) \ +do { \ + A->L = A->K0; \ + A->R = A->K1; \ + A->nBytesInM = 0; \ +} while (0) static void MichaelInitializeFunction(struct michel_mic_t *Mic, uint8_t * key) diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs.h b/drivers/staging/lustre/include/linux/libcfs/libcfs.h index 3f6447c65042..3b92d38d37e2 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs.h @@ -138,8 +138,8 @@ struct lnet_debugfs_symlink_def { void lustre_insert_debugfs(struct ctl_table *table, const struct lnet_debugfs_symlink_def *symlinks); int lprocfs_call_handler(void *data, int write, loff_t *ppos, - void __user *buffer, size_t *lenp, - int (*handler)(void *data, int write, - loff_t pos, void __user *buffer, int len)); + void __user *buffer, size_t *lenp, + int (*handler)(void *data, int write, loff_t pos, + void __user *buffer, int len)); #endif /* _LIBCFS_H */ diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h index 25adab19fd86..b7bd6e8ab33f 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h @@ -247,19 +247,19 @@ do { \ #define LCONSOLE_EMERG(format, ...) CDEBUG(D_CONSOLE | D_EMERG, format, ## __VA_ARGS__) int libcfs_debug_msg(struct libcfs_debug_msg_data *msgdata, - const char *format1, ...) + const char *format1, ...) __printf(2, 3); int libcfs_debug_vmsg2(struct libcfs_debug_msg_data *msgdata, - const char *format1, - va_list args, const char *format2, ...) + const char *format1, + va_list args, const char *format2, ...) __printf(4, 5); /* other external symbols that tracefile provides: */ int cfs_trace_copyin_string(char *knl_buffer, int knl_buffer_nob, - const char __user *usr_buffer, int usr_buffer_nob); + const char __user *usr_buffer, int usr_buffer_nob); int cfs_trace_copyout_string(char __user *usr_buffer, int usr_buffer_nob, - const char *knl_buffer, char *append); + const char *knl_buffer, char *append); #define LIBCFS_DEBUG_FILE_PATH_DEFAULT "/tmp/lustre-log" diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h index d3f9a6020ee3..bdbbe934584c 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h @@ -143,6 +143,9 @@ static inline int cfs_fail_timeout_set(__u32 id, __u32 value, int ms, int set) #define CFS_FAIL_TIMEOUT_ORSET(id, value, secs) \ cfs_fail_timeout_set(id, value, secs * 1000, CFS_FAIL_LOC_ORSET) +#define CFS_FAIL_TIMEOUT_RESET(id, value, secs) \ + cfs_fail_timeout_set(id, value, secs * 1000, CFS_FAIL_LOC_RESET) + #define CFS_FAIL_TIMEOUT_MS_ORSET(id, value, ms) \ cfs_fail_timeout_set(id, value, ms, CFS_FAIL_LOC_ORSET) diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h index 4daa3823f60a..d401ae17dbaf 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h @@ -360,13 +360,4 @@ do { \ ptr += cfs_size_round(len); \ } while (0) -#define LOGL0(var, len, ptr) \ -do { \ - if (!len) \ - break; \ - memcpy((char *)ptr, (const char *)var, len); \ - *((char *)(ptr) + len) = 0; \ - ptr += cfs_size_round(len + 1); \ -} while (0) - #endif diff --git a/drivers/staging/lustre/include/linux/lnet/lib-lnet.h b/drivers/staging/lustre/include/linux/lnet/lib-lnet.h index 513a8225f888..a59c5e99cbd3 100644 --- a/drivers/staging/lustre/include/linux/lnet/lib-lnet.h +++ b/drivers/staging/lustre/include/linux/lnet/lib-lnet.h @@ -605,73 +605,20 @@ void lnet_counters_reset(void); unsigned int lnet_iov_nob(unsigned int niov, struct kvec *iov); int lnet_extract_iov(int dst_niov, struct kvec *dst, - int src_niov, struct kvec *src, + int src_niov, const struct kvec *src, unsigned int offset, unsigned int len); unsigned int lnet_kiov_nob(unsigned int niov, lnet_kiov_t *iov); int lnet_extract_kiov(int dst_niov, lnet_kiov_t *dst, - int src_niov, lnet_kiov_t *src, + int src_niov, const lnet_kiov_t *src, unsigned int offset, unsigned int len); -void lnet_copy_iov2iov(unsigned int ndiov, struct kvec *diov, - unsigned int doffset, - unsigned int nsiov, struct kvec *siov, +void lnet_copy_iov2iter(struct iov_iter *to, + unsigned int nsiov, const struct kvec *siov, unsigned int soffset, unsigned int nob); -void lnet_copy_kiov2iov(unsigned int niov, struct kvec *iov, - unsigned int iovoffset, - unsigned int nkiov, lnet_kiov_t *kiov, +void lnet_copy_kiov2iter(struct iov_iter *to, + unsigned int nkiov, const lnet_kiov_t *kiov, unsigned int kiovoffset, unsigned int nob); -void lnet_copy_iov2kiov(unsigned int nkiov, lnet_kiov_t *kiov, - unsigned int kiovoffset, - unsigned int niov, struct kvec *iov, - unsigned int iovoffset, unsigned int nob); -void lnet_copy_kiov2kiov(unsigned int ndkiov, lnet_kiov_t *dkiov, - unsigned int doffset, - unsigned int nskiov, lnet_kiov_t *skiov, - unsigned int soffset, unsigned int nob); - -static inline void -lnet_copy_iov2flat(int dlen, void *dest, unsigned int doffset, - unsigned int nsiov, struct kvec *siov, unsigned int soffset, - unsigned int nob) -{ - struct kvec diov = {/*.iov_base = */ dest, /*.iov_len = */ dlen}; - - lnet_copy_iov2iov(1, &diov, doffset, - nsiov, siov, soffset, nob); -} - -static inline void -lnet_copy_kiov2flat(int dlen, void *dest, unsigned int doffset, - unsigned int nsiov, lnet_kiov_t *skiov, - unsigned int soffset, unsigned int nob) -{ - struct kvec diov = {/* .iov_base = */ dest, /* .iov_len = */ dlen}; - - lnet_copy_kiov2iov(1, &diov, doffset, - nsiov, skiov, soffset, nob); -} - -static inline void -lnet_copy_flat2iov(unsigned int ndiov, struct kvec *diov, unsigned int doffset, - int slen, void *src, unsigned int soffset, unsigned int nob) -{ - struct kvec siov = {/*.iov_base = */ src, /*.iov_len = */slen}; - - lnet_copy_iov2iov(ndiov, diov, doffset, - 1, &siov, soffset, nob); -} - -static inline void -lnet_copy_flat2kiov(unsigned int ndiov, lnet_kiov_t *dkiov, - unsigned int doffset, int slen, void *src, - unsigned int soffset, unsigned int nob) -{ - struct kvec siov = {/* .iov_base = */ src, /* .iov_len = */ slen}; - - lnet_copy_iov2kiov(ndiov, dkiov, doffset, - 1, &siov, soffset, nob); -} void lnet_me_unlink(lnet_me_t *me); diff --git a/drivers/staging/lustre/include/linux/lnet/lib-types.h b/drivers/staging/lustre/include/linux/lnet/lib-types.h index 7967b013cbae..640ff7275311 100644 --- a/drivers/staging/lustre/include/linux/lnet/lib-types.h +++ b/drivers/staging/lustre/include/linux/lnet/lib-types.h @@ -220,10 +220,7 @@ typedef struct lnet_lnd { * credit if the LND does flow control. */ int (*lnd_recv)(struct lnet_ni *ni, void *private, lnet_msg_t *msg, - int delayed, unsigned int niov, - struct kvec *iov, lnet_kiov_t *kiov, - unsigned int offset, unsigned int mlen, - unsigned int rlen); + int delayed, struct iov_iter *to, unsigned int rlen); /* * lnet_parse() has had to delay processing of this message diff --git a/drivers/staging/lustre/include/linux/lnet/types.h b/drivers/staging/lustre/include/linux/lnet/types.h index e098b6c086e1..f8be0e2f7bf7 100644 --- a/drivers/staging/lustre/include/linux/lnet/types.h +++ b/drivers/staging/lustre/include/linux/lnet/types.h @@ -503,21 +503,7 @@ typedef struct { /* NB lustre portals uses struct iovec internally! */ typedef struct iovec lnet_md_iovec_t; -/** - * A page-based fragment of a MD. - */ -typedef struct { - /** Pointer to the page where the fragment resides */ - struct page *kiov_page; - /** Length in bytes of the fragment */ - unsigned int kiov_len; - /** - * Starting offset of the fragment within the page. Note that the - * end of the fragment must not pass the end of the page; i.e., - * kiov_len + kiov_offset <= PAGE_SIZE. - */ - unsigned int kiov_offset; -} lnet_kiov_t; +typedef struct bio_vec lnet_kiov_t; /** @} lnet_md */ /** \addtogroup lnet_eq diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c index 4f5978b3767b..c7a5d49e487f 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c @@ -128,6 +128,7 @@ static int kiblnd_msgtype2size(int type) static int kiblnd_unpack_rd(struct kib_msg *msg, int flip) { struct kib_rdma_desc *rd; + int msg_size; int nob; int n; int i; @@ -146,12 +147,6 @@ static int kiblnd_unpack_rd(struct kib_msg *msg, int flip) n = rd->rd_nfrags; - if (n <= 0 || n > IBLND_MAX_RDMA_FRAGS) { - CERROR("Bad nfrags: %d, should be 0 < n <= %d\n", - n, IBLND_MAX_RDMA_FRAGS); - return 1; - } - nob = offsetof(struct kib_msg, ibm_u) + kiblnd_rd_msg_size(rd, msg->ibm_type, n); @@ -161,6 +156,13 @@ static int kiblnd_unpack_rd(struct kib_msg *msg, int flip) return 1; } + msg_size = kiblnd_rd_size(rd); + if (msg_size <= 0 || msg_size > LNET_MAX_PAYLOAD) { + CERROR("Bad msg_size: %d, should be 0 < n <= %d\n", + msg_size, LNET_MAX_PAYLOAD); + return 1; + } + if (!flip) return 0; @@ -618,7 +620,7 @@ static int kiblnd_get_completion_vector(struct kib_conn *conn, int cpt) } struct kib_conn *kiblnd_create_conn(struct kib_peer *peer, struct rdma_cm_id *cmid, - int state, int version) + int state, int version) { /* * CAVEAT EMPTOR: diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h index 078a0c3e8845..14576977200f 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h @@ -113,8 +113,9 @@ extern struct kib_tunables kiblnd_tunables; #define IBLND_OOB_CAPABLE(v) ((v) != IBLND_MSG_VERSION_1) #define IBLND_OOB_MSGS(v) (IBLND_OOB_CAPABLE(v) ? 2 : 0) -#define IBLND_MSG_SIZE (4 << 10) /* max size of queued messages (inc hdr) */ -#define IBLND_MAX_RDMA_FRAGS LNET_MAX_IOV /* max # of fragments supported */ +#define IBLND_FRAG_SHIFT (PAGE_SHIFT - 12) /* frag size on wire is in 4K units */ +#define IBLND_MSG_SIZE (4 << 10) /* max size of queued messages (inc hdr) */ +#define IBLND_MAX_RDMA_FRAGS (LNET_MAX_PAYLOAD >> 12)/* max # of fragments supported in 4K size */ /************************/ /* derived constants... */ @@ -133,8 +134,8 @@ extern struct kib_tunables kiblnd_tunables; /* WRs and CQEs (per connection) */ #define IBLND_RECV_WRS(c) IBLND_RX_MSGS(c) #define IBLND_SEND_WRS(c) \ - ((c->ibc_max_frags + 1) * kiblnd_concurrent_sends(c->ibc_version, \ - c->ibc_peer->ibp_ni)) + (((c->ibc_max_frags + 1) << IBLND_FRAG_SHIFT) * \ + kiblnd_concurrent_sends(c->ibc_version, c->ibc_peer->ibp_ni)) #define IBLND_CQ_ENTRIES(c) (IBLND_RECV_WRS(c) + IBLND_SEND_WRS(c)) struct kib_hca_dev; @@ -582,6 +583,8 @@ struct kib_peer { unsigned short ibp_connecting; /* reconnect this peer later */ unsigned short ibp_reconnecting:1; + /* counter of how many times we triggered a conn race */ + unsigned char ibp_races; /* # consecutive reconnection attempts to this peer */ unsigned int ibp_reconnected; /* errno on closing this peer */ @@ -607,14 +610,14 @@ kiblnd_cfg_rdma_frags(struct lnet_ni *ni) tunables = &ni->ni_lnd_tunables->lt_tun_u.lt_o2ib; mod = tunables->lnd_map_on_demand; - return mod ? mod : IBLND_MAX_RDMA_FRAGS; + return mod ? mod : IBLND_MAX_RDMA_FRAGS >> IBLND_FRAG_SHIFT; } static inline int kiblnd_rdma_frags(int version, struct lnet_ni *ni) { return version == IBLND_MSG_VERSION_1 ? - IBLND_MAX_RDMA_FRAGS : + (IBLND_MAX_RDMA_FRAGS >> IBLND_FRAG_SHIFT) : kiblnd_cfg_rdma_frags(ni); } @@ -1034,5 +1037,4 @@ int kiblnd_post_rx(struct kib_rx *rx, int credit); int kiblnd_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg); int kiblnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed, - unsigned int niov, struct kvec *iov, lnet_kiov_t *kiov, - unsigned int offset, unsigned int mlen, unsigned int rlen); + struct iov_iter *to, unsigned int rlen); diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c index 596a697b9d39..3a86879f1b8d 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c @@ -36,16 +36,19 @@ #include "o2iblnd.h" +#define MAX_CONN_RACES_BEFORE_ABORT 20 + static void kiblnd_peer_alive(struct kib_peer *peer); static void kiblnd_peer_connect_failed(struct kib_peer *peer, int active, int error); -static void kiblnd_check_sends(struct kib_conn *conn); static void kiblnd_init_tx_msg(lnet_ni_t *ni, struct kib_tx *tx, - int type, int body_nob); + int type, int body_nob); static int kiblnd_init_rdma(struct kib_conn *conn, struct kib_tx *tx, int type, - int resid, struct kib_rdma_desc *dstrd, __u64 dstcookie); + int resid, struct kib_rdma_desc *dstrd, + __u64 dstcookie); static void kiblnd_queue_tx_locked(struct kib_tx *tx, struct kib_conn *conn); static void kiblnd_queue_tx(struct kib_tx *tx, struct kib_conn *conn); static void kiblnd_unmap_tx(lnet_ni_t *ni, struct kib_tx *tx); +static void kiblnd_check_sends_locked(struct kib_conn *conn); static void kiblnd_tx_done(lnet_ni_t *ni, struct kib_tx *tx) @@ -211,9 +214,9 @@ kiblnd_post_rx(struct kib_rx *rx, int credit) conn->ibc_outstanding_credits++; else conn->ibc_reserved_credits++; + kiblnd_check_sends_locked(conn); spin_unlock(&conn->ibc_lock); - kiblnd_check_sends(conn); out: kiblnd_conn_decref(conn); return rc; @@ -344,8 +347,8 @@ kiblnd_handle_rx(struct kib_rx *rx) !IBLND_OOB_CAPABLE(conn->ibc_version)) /* v1 only */ conn->ibc_outstanding_credits++; + kiblnd_check_sends_locked(conn); spin_unlock(&conn->ibc_lock); - kiblnd_check_sends(conn); } switch (msg->ibm_type) { @@ -648,7 +651,7 @@ static int kiblnd_map_tx(lnet_ni_t *ni, struct kib_tx *tx, struct kib_rdma_desc static int kiblnd_setup_rd_iov(lnet_ni_t *ni, struct kib_tx *tx, struct kib_rdma_desc *rd, - unsigned int niov, struct kvec *iov, int offset, int nob) + unsigned int niov, const struct kvec *iov, int offset, int nob) { struct kib_net *net = ni->ni_data; struct page *page; @@ -705,7 +708,7 @@ kiblnd_setup_rd_iov(lnet_ni_t *ni, struct kib_tx *tx, struct kib_rdma_desc *rd, static int kiblnd_setup_rd_kiov(lnet_ni_t *ni, struct kib_tx *tx, struct kib_rdma_desc *rd, - int nkiov, lnet_kiov_t *kiov, int offset, int nob) + int nkiov, const lnet_kiov_t *kiov, int offset, int nob) { struct kib_net *net = ni->ni_data; struct scatterlist *sg; @@ -717,8 +720,8 @@ kiblnd_setup_rd_kiov(lnet_ni_t *ni, struct kib_tx *tx, struct kib_rdma_desc *rd, LASSERT(nkiov > 0); LASSERT(net); - while (offset >= kiov->kiov_len) { - offset -= kiov->kiov_len; + while (offset >= kiov->bv_len) { + offset -= kiov->bv_len; nkiov--; kiov++; LASSERT(nkiov > 0); @@ -728,10 +731,10 @@ kiblnd_setup_rd_kiov(lnet_ni_t *ni, struct kib_tx *tx, struct kib_rdma_desc *rd, do { LASSERT(nkiov > 0); - fragnob = min((int)(kiov->kiov_len - offset), nob); + fragnob = min((int)(kiov->bv_len - offset), nob); - sg_set_page(sg, kiov->kiov_page, fragnob, - kiov->kiov_offset + offset); + sg_set_page(sg, kiov->bv_page, fragnob, + kiov->bv_offset + offset); sg = sg_next(sg); if (!sg) { CERROR("lacking enough sg entries to map tx\n"); @@ -761,7 +764,6 @@ kiblnd_post_tx_locked(struct kib_conn *conn, struct kib_tx *tx, int credit) LASSERT(tx->tx_queued); /* We rely on this for QP sizing */ LASSERT(tx->tx_nwrq > 0); - LASSERT(tx->tx_nwrq <= 1 + conn->ibc_max_frags); LASSERT(!credit || credit == 1); LASSERT(conn->ibc_outstanding_credits >= 0); @@ -800,7 +802,7 @@ kiblnd_post_tx_locked(struct kib_conn *conn, struct kib_tx *tx, int credit) conn->ibc_noops_posted == IBLND_OOB_MSGS(ver)))) { /* * OK to drop when posted enough NOOPs, since - * kiblnd_check_sends will queue NOOP again when + * kiblnd_check_sends_locked will queue NOOP again when * posted NOOPs complete */ spin_unlock(&conn->ibc_lock); @@ -905,7 +907,7 @@ kiblnd_post_tx_locked(struct kib_conn *conn, struct kib_tx *tx, int credit) } static void -kiblnd_check_sends(struct kib_conn *conn) +kiblnd_check_sends_locked(struct kib_conn *conn) { int ver = conn->ibc_version; lnet_ni_t *ni = conn->ibc_peer->ibp_ni; @@ -918,8 +920,6 @@ kiblnd_check_sends(struct kib_conn *conn) return; } - spin_lock(&conn->ibc_lock); - LASSERT(conn->ibc_nsends_posted <= kiblnd_concurrent_sends(ver, ni)); LASSERT(!IBLND_OOB_CAPABLE(ver) || conn->ibc_noops_posted <= IBLND_OOB_MSGS(ver)); @@ -969,8 +969,6 @@ kiblnd_check_sends(struct kib_conn *conn) if (kiblnd_post_tx_locked(conn, tx, credit)) break; } - - spin_unlock(&conn->ibc_lock); } static void @@ -1016,16 +1014,11 @@ kiblnd_tx_complete(struct kib_tx *tx, int status) if (idle) list_del(&tx->tx_list); - kiblnd_conn_addref(conn); /* 1 ref for me.... */ - + kiblnd_check_sends_locked(conn); spin_unlock(&conn->ibc_lock); if (idle) kiblnd_tx_done(conn->ibc_peer->ibp_ni, tx); - - kiblnd_check_sends(conn); - - kiblnd_conn_decref(conn); /* ...until here */ } static void @@ -1078,6 +1071,15 @@ kiblnd_init_rdma(struct kib_conn *conn, struct kib_tx *tx, int type, LASSERT(type == IBLND_MSG_GET_DONE || type == IBLND_MSG_PUT_DONE); + if (kiblnd_rd_size(srcrd) > conn->ibc_max_frags << PAGE_SHIFT) { + CERROR("RDMA is too large for peer %s (%d), src size: %d dst size: %d\n", + libcfs_nid2str(conn->ibc_peer->ibp_nid), + conn->ibc_max_frags << PAGE_SHIFT, + kiblnd_rd_size(srcrd), kiblnd_rd_size(dstrd)); + rc = -EMSGSIZE; + goto too_big; + } + while (resid > 0) { if (srcidx >= srcrd->rd_nfrags) { CERROR("Src buffer exhausted: %d frags\n", srcidx); @@ -1091,16 +1093,6 @@ kiblnd_init_rdma(struct kib_conn *conn, struct kib_tx *tx, int type, break; } - if (tx->tx_nwrq >= conn->ibc_max_frags) { - CERROR("RDMA has too many fragments for peer %s (%d), src idx/frags: %d/%d dst idx/frags: %d/%d\n", - libcfs_nid2str(conn->ibc_peer->ibp_nid), - conn->ibc_max_frags, - srcidx, srcrd->rd_nfrags, - dstidx, dstrd->rd_nfrags); - rc = -EMSGSIZE; - break; - } - wrknob = min(min(kiblnd_rd_frag_size(srcrd, srcidx), kiblnd_rd_frag_size(dstrd, dstidx)), (__u32)resid); @@ -1132,7 +1124,7 @@ kiblnd_init_rdma(struct kib_conn *conn, struct kib_tx *tx, int type, wrq++; sge++; } - +too_big: if (rc < 0) /* no RDMA if completing with failure */ tx->tx_nwrq = 0; @@ -1204,9 +1196,8 @@ kiblnd_queue_tx(struct kib_tx *tx, struct kib_conn *conn) { spin_lock(&conn->ibc_lock); kiblnd_queue_tx_locked(tx, conn); + kiblnd_check_sends_locked(conn); spin_unlock(&conn->ibc_lock); - - kiblnd_check_sends(conn); } static int kiblnd_resolve_addr(struct rdma_cm_id *cmid, @@ -1499,6 +1490,7 @@ kiblnd_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg) lnet_kiov_t *payload_kiov = lntmsg->msg_kiov; unsigned int payload_offset = lntmsg->msg_offset; unsigned int payload_nob = lntmsg->msg_len; + struct iov_iter from; struct kib_msg *ibmsg; struct kib_rdma_desc *rd; struct kib_tx *tx; @@ -1518,6 +1510,17 @@ kiblnd_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg) /* payload is either all vaddrs or all pages */ LASSERT(!(payload_kiov && payload_iov)); + if (payload_kiov) + iov_iter_bvec(&from, ITER_BVEC | WRITE, + payload_kiov, payload_niov, + payload_nob + payload_offset); + else + iov_iter_kvec(&from, ITER_KVEC | WRITE, + payload_iov, payload_niov, + payload_nob + payload_offset); + + iov_iter_advance(&from, payload_offset); + switch (type) { default: LBUG(); @@ -1637,17 +1640,8 @@ kiblnd_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg) ibmsg = tx->tx_msg; ibmsg->ibm_u.immediate.ibim_hdr = *hdr; - if (payload_kiov) - lnet_copy_kiov2flat(IBLND_MSG_SIZE, ibmsg, - offsetof(struct kib_msg, ibm_u.immediate.ibim_payload), - payload_niov, payload_kiov, - payload_offset, payload_nob); - else - lnet_copy_iov2flat(IBLND_MSG_SIZE, ibmsg, - offsetof(struct kib_msg, ibm_u.immediate.ibim_payload), - payload_niov, payload_iov, - payload_offset, payload_nob); - + copy_from_iter(&ibmsg->ibm_u.immediate.ibim_payload, IBLND_MSG_SIZE, + &from); nob = offsetof(struct kib_immediate_msg, ibim_payload[payload_nob]); kiblnd_init_tx_msg(ni, tx, IBLND_MSG_IMMEDIATE, nob); @@ -1719,8 +1713,7 @@ kiblnd_reply(lnet_ni_t *ni, struct kib_rx *rx, lnet_msg_t *lntmsg) int kiblnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed, - unsigned int niov, struct kvec *iov, lnet_kiov_t *kiov, - unsigned int offset, unsigned int mlen, unsigned int rlen) + struct iov_iter *to, unsigned int rlen) { struct kib_rx *rx = private; struct kib_msg *rxmsg = rx->rx_msg; @@ -1730,10 +1723,9 @@ kiblnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed, int post_credit = IBLND_POSTRX_PEER_CREDIT; int rc = 0; - LASSERT(mlen <= rlen); + LASSERT(iov_iter_count(to) <= rlen); LASSERT(!in_interrupt()); /* Either all pages or all vaddrs */ - LASSERT(!(kiov && iov)); switch (rxmsg->ibm_type) { default: @@ -1749,16 +1741,8 @@ kiblnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed, break; } - if (kiov) - lnet_copy_flat2kiov(niov, kiov, offset, - IBLND_MSG_SIZE, rxmsg, - offsetof(struct kib_msg, ibm_u.immediate.ibim_payload), - mlen); - else - lnet_copy_flat2iov(niov, iov, offset, - IBLND_MSG_SIZE, rxmsg, - offsetof(struct kib_msg, ibm_u.immediate.ibim_payload), - mlen); + copy_to_iter(&rxmsg->ibm_u.immediate.ibim_payload, + IBLND_MSG_SIZE, to); lnet_finalize(ni, lntmsg, 0); break; @@ -1766,7 +1750,7 @@ kiblnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed, struct kib_msg *txmsg; struct kib_rdma_desc *rd; - if (!mlen) { + if (!iov_iter_count(to)) { lnet_finalize(ni, lntmsg, 0); kiblnd_send_completion(rx->rx_conn, IBLND_MSG_PUT_NAK, 0, rxmsg->ibm_u.putreq.ibprm_cookie); @@ -1784,12 +1768,16 @@ kiblnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed, txmsg = tx->tx_msg; rd = &txmsg->ibm_u.putack.ibpam_rd; - if (!kiov) + if (!(to->type & ITER_BVEC)) rc = kiblnd_setup_rd_iov(ni, tx, rd, - niov, iov, offset, mlen); + to->nr_segs, to->kvec, + to->iov_offset, + iov_iter_count(to)); else rc = kiblnd_setup_rd_kiov(ni, tx, rd, - niov, kiov, offset, mlen); + to->nr_segs, to->bvec, + to->iov_offset, + iov_iter_count(to)); if (rc) { CERROR("Can't setup PUT sink for %s: %d\n", libcfs_nid2str(conn->ibc_peer->ibp_nid), rc); @@ -2183,14 +2171,11 @@ kiblnd_connreq_done(struct kib_conn *conn, int status) return; } - /** - * refcount taken by cmid is not reliable after I released the glock - * because this connection is visible to other threads now, another - * thread can find and close this connection right after I released - * the glock, if kiblnd_cm_callback for RDMA_CM_EVENT_DISCONNECTED is - * called, it can release the connection refcount taken by cmid. - * It means the connection could be destroyed before I finish my - * operations on it. + /* + * +1 ref for myself, this connection is visible to other threads + * now, refcount of peer:ibp_conns can be released by connection + * close from either a different thread, or the calling of + * kiblnd_check_sends_locked() below. See bz21911 for details. */ kiblnd_conn_addref(conn); write_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags); @@ -2202,10 +2187,9 @@ kiblnd_connreq_done(struct kib_conn *conn, int status) kiblnd_queue_tx_locked(tx, conn); } + kiblnd_check_sends_locked(conn); spin_unlock(&conn->ibc_lock); - kiblnd_check_sends(conn); - /* schedule blocked rxs */ kiblnd_handle_early_rxs(conn); @@ -2240,6 +2224,7 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob) struct kib_rej rej; int version = IBLND_MSG_VERSION; unsigned long flags; + int max_frags; int rc; struct sockaddr_in *peer_addr; @@ -2346,22 +2331,20 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob) goto failed; } - if (reqmsg->ibm_u.connparams.ibcp_max_frags > - kiblnd_rdma_frags(version, ni)) { - CWARN("Can't accept conn from %s (version %x): max_frags %d too large (%d wanted)\n", - libcfs_nid2str(nid), version, - reqmsg->ibm_u.connparams.ibcp_max_frags, + max_frags = reqmsg->ibm_u.connparams.ibcp_max_frags >> IBLND_FRAG_SHIFT; + if (max_frags > kiblnd_rdma_frags(version, ni)) { + CWARN("Can't accept conn from %s (version %x): max message size %d is too large (%d wanted)\n", + libcfs_nid2str(nid), version, max_frags, kiblnd_rdma_frags(version, ni)); if (version >= IBLND_MSG_VERSION) rej.ibr_why = IBLND_REJECT_RDMA_FRAGS; goto failed; - } else if (reqmsg->ibm_u.connparams.ibcp_max_frags < - kiblnd_rdma_frags(version, ni) && !net->ibn_fmr_ps) { - CWARN("Can't accept conn from %s (version %x): max_frags %d incompatible without FMR pool (%d wanted)\n", - libcfs_nid2str(nid), version, - reqmsg->ibm_u.connparams.ibcp_max_frags, + } else if (max_frags < kiblnd_rdma_frags(version, ni) && + !net->ibn_fmr_ps) { + CWARN("Can't accept conn from %s (version %x): max message size %d incompatible without FMR pool (%d wanted)\n", + libcfs_nid2str(nid), version, max_frags, kiblnd_rdma_frags(version, ni)); if (version == IBLND_MSG_VERSION) @@ -2387,7 +2370,7 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob) } /* We have validated the peer's parameters so use those */ - peer->ibp_max_frags = reqmsg->ibm_u.connparams.ibcp_max_frags; + peer->ibp_max_frags = max_frags; peer->ibp_queue_depth = reqmsg->ibm_u.connparams.ibcp_queue_depth; write_lock_irqsave(g_lock, flags); @@ -2419,23 +2402,37 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob) goto failed; } - /* tie-break connection race in favour of the higher NID */ + /* + * Tie-break connection race in favour of the higher NID. + * If we keep running into a race condition multiple times, + * we have to assume that the connection attempt with the + * higher NID is stuck in a connecting state and will never + * recover. As such, we pass through this if-block and let + * the lower NID connection win so we can move forward. + */ if (peer2->ibp_connecting && - nid < ni->ni_nid) { + nid < ni->ni_nid && peer2->ibp_races < + MAX_CONN_RACES_BEFORE_ABORT) { + peer2->ibp_races++; write_unlock_irqrestore(g_lock, flags); - CWARN("Conn race %s\n", libcfs_nid2str(peer2->ibp_nid)); + CDEBUG(D_NET, "Conn race %s\n", + libcfs_nid2str(peer2->ibp_nid)); kiblnd_peer_decref(peer); rej.ibr_why = IBLND_REJECT_CONN_RACE; goto failed; } - + if (peer2->ibp_races >= MAX_CONN_RACES_BEFORE_ABORT) + CNETERR("Conn race %s: unresolved after %d attempts, letting lower NID win\n", + libcfs_nid2str(peer2->ibp_nid), + MAX_CONN_RACES_BEFORE_ABORT); /** * passive connection is allowed even this peer is waiting for * reconnection. */ peer2->ibp_reconnecting = 0; + peer2->ibp_races = 0; peer2->ibp_accepting++; kiblnd_peer_addref(peer2); @@ -2494,7 +2491,7 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob) kiblnd_init_msg(ackmsg, IBLND_MSG_CONNACK, sizeof(ackmsg->ibm_u.connparams)); ackmsg->ibm_u.connparams.ibcp_queue_depth = conn->ibc_queue_depth; - ackmsg->ibm_u.connparams.ibcp_max_frags = conn->ibc_max_frags; + ackmsg->ibm_u.connparams.ibcp_max_frags = conn->ibc_max_frags << IBLND_FRAG_SHIFT; ackmsg->ibm_u.connparams.ibcp_max_msg_size = IBLND_MSG_SIZE; kiblnd_pack_msg(ni, ackmsg, version, 0, nid, reqmsg->ibm_srcstamp); @@ -2526,9 +2523,9 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob) failed: if (ni) { - lnet_ni_decref(ni); rej.ibr_cp.ibcp_queue_depth = kiblnd_msg_queue_size(version, ni); rej.ibr_cp.ibcp_max_frags = kiblnd_rdma_frags(version, ni); + lnet_ni_decref(ni); } rej.ibr_version = version; @@ -2556,7 +2553,7 @@ kiblnd_check_reconnect(struct kib_conn *conn, int version, if (cp) { msg_size = cp->ibcp_max_msg_size; - frag_num = cp->ibcp_max_frags; + frag_num = cp->ibcp_max_frags << IBLND_FRAG_SHIFT; queue_dep = cp->ibcp_queue_depth; } @@ -2821,11 +2818,11 @@ kiblnd_check_connreply(struct kib_conn *conn, void *priv, int priv_nob) goto failed; } - if (msg->ibm_u.connparams.ibcp_max_frags > + if ((msg->ibm_u.connparams.ibcp_max_frags >> IBLND_FRAG_SHIFT) > conn->ibc_max_frags) { CERROR("%s has incompatible max_frags %d (<=%d wanted)\n", libcfs_nid2str(peer->ibp_nid), - msg->ibm_u.connparams.ibcp_max_frags, + msg->ibm_u.connparams.ibcp_max_frags >> IBLND_FRAG_SHIFT, conn->ibc_max_frags); rc = -EPROTO; goto failed; @@ -2859,7 +2856,7 @@ kiblnd_check_connreply(struct kib_conn *conn, void *priv, int priv_nob) conn->ibc_credits = msg->ibm_u.connparams.ibcp_queue_depth; conn->ibc_reserved_credits = msg->ibm_u.connparams.ibcp_queue_depth; conn->ibc_queue_depth = msg->ibm_u.connparams.ibcp_queue_depth; - conn->ibc_max_frags = msg->ibm_u.connparams.ibcp_max_frags; + conn->ibc_max_frags = msg->ibm_u.connparams.ibcp_max_frags >> IBLND_FRAG_SHIFT; LASSERT(conn->ibc_credits + conn->ibc_reserved_credits + IBLND_OOB_MSGS(ver) <= IBLND_RX_MSGS(conn)); @@ -2916,7 +2913,7 @@ kiblnd_active_connect(struct rdma_cm_id *cmid) memset(msg, 0, sizeof(*msg)); kiblnd_init_msg(msg, IBLND_MSG_CONNREQ, sizeof(msg->ibm_u.connparams)); msg->ibm_u.connparams.ibcp_queue_depth = conn->ibc_queue_depth; - msg->ibm_u.connparams.ibcp_max_frags = conn->ibc_max_frags; + msg->ibm_u.connparams.ibcp_max_frags = conn->ibc_max_frags << IBLND_FRAG_SHIFT; msg->ibm_u.connparams.ibcp_max_msg_size = IBLND_MSG_SIZE; kiblnd_pack_msg(peer->ibp_ni, msg, version, @@ -3233,7 +3230,11 @@ kiblnd_check_conns(int idx) */ list_for_each_entry_safe(conn, temp, &checksends, ibc_connd_list) { list_del(&conn->ibc_connd_list); - kiblnd_check_sends(conn); + + spin_lock(&conn->ibc_lock); + kiblnd_check_sends_locked(conn); + spin_unlock(&conn->ibc_lock); + kiblnd_conn_decref(conn); } } @@ -3419,6 +3420,12 @@ kiblnd_qp_event(struct ib_event *event, void *arg) case IB_EVENT_COMM_EST: CDEBUG(D_NET, "%s established\n", libcfs_nid2str(conn->ibc_peer->ibp_nid)); + /* + * We received a packet but connection isn't established + * probably handshake packet was lost, so free to + * force make connection established + */ + rdma_notify(conn->ibc_cmid, IB_EVENT_COMM_EST); return; default: diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c index 07ec540946cd..cbc9a9c5385f 100644 --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c @@ -1468,11 +1468,6 @@ ksocknal_close_conn_locked(struct ksock_conn *conn, int error) conn->ksnc_route = NULL; -#if 0 /* irrelevant with only eager routes */ - /* make route least favourite */ - list_del(&route->ksnr_list); - list_add_tail(&route->ksnr_list, &peer->ksnp_routes); -#endif ksocknal_route_decref(route); /* drop conn's ref on route */ } diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h index a56632b4ee37..e6ca0cf52691 100644 --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h @@ -86,8 +86,6 @@ struct ksock_sched { /* per scheduler state */ int kss_nconns; /* # connections assigned to * this scheduler */ struct ksock_sched_info *kss_info; /* owner of it */ - struct page *kss_rx_scratch_pgs[LNET_MAX_IOV]; - struct kvec kss_scratch_iov[LNET_MAX_IOV]; }; struct ksock_sched_info { @@ -616,9 +614,7 @@ void ksocknal_shutdown(lnet_ni_t *ni); int ksocknal_ctl(lnet_ni_t *ni, unsigned int cmd, void *arg); int ksocknal_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg); int ksocknal_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, - int delayed, unsigned int niov, - struct kvec *iov, lnet_kiov_t *kiov, - unsigned int offset, unsigned int mlen, unsigned int rlen); + int delayed, struct iov_iter *to, unsigned int rlen); int ksocknal_accept(lnet_ni_t *ni, struct socket *sock); int ksocknal_add_peer(lnet_ni_t *ni, lnet_process_id_t id, __u32 ip, int port); @@ -635,7 +631,7 @@ int ksocknal_close_peer_conns_locked(struct ksock_peer *peer, int ksocknal_close_conn_and_siblings(struct ksock_conn *conn, int why); int ksocknal_close_matching_conns(lnet_process_id_t id, __u32 ipaddr); struct ksock_conn *ksocknal_find_conn_locked(struct ksock_peer *peer, - struct ksock_tx *tx, int nonblk); + struct ksock_tx *tx, int nonblk); int ksocknal_launch_packet(lnet_ni_t *ni, struct ksock_tx *tx, lnet_process_id_t id); diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c index 303576d815c6..1bdf96206970 100644 --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c @@ -164,13 +164,13 @@ ksocknal_send_kiov(struct ksock_conn *conn, struct ksock_tx *tx) do { LASSERT(tx->tx_nkiov > 0); - if (nob < (int)kiov->kiov_len) { - kiov->kiov_offset += nob; - kiov->kiov_len -= nob; + if (nob < (int)kiov->bv_len) { + kiov->bv_offset += nob; + kiov->bv_len -= nob; return rc; } - nob -= (int)kiov->kiov_len; + nob -= (int)kiov->bv_len; tx->tx_kiov = ++kiov; tx->tx_nkiov--; } while (nob); @@ -326,13 +326,13 @@ ksocknal_recv_kiov(struct ksock_conn *conn) do { LASSERT(conn->ksnc_rx_nkiov > 0); - if (nob < (int)kiov->kiov_len) { - kiov->kiov_offset += nob; - kiov->kiov_len -= nob; + if (nob < (int)kiov->bv_len) { + kiov->bv_offset += nob; + kiov->bv_len -= nob; return -EAGAIN; } - nob -= kiov->kiov_len; + nob -= kiov->bv_len; conn->ksnc_rx_kiov = ++kiov; conn->ksnc_rx_nkiov--; } while (nob); @@ -1325,39 +1325,36 @@ ksocknal_process_receive(struct ksock_conn *conn) int ksocknal_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed, - unsigned int niov, struct kvec *iov, lnet_kiov_t *kiov, - unsigned int offset, unsigned int mlen, unsigned int rlen) + struct iov_iter *to, unsigned int rlen) { struct ksock_conn *conn = private; struct ksock_sched *sched = conn->ksnc_scheduler; - LASSERT(mlen <= rlen); - LASSERT(niov <= LNET_MAX_IOV); + LASSERT(iov_iter_count(to) <= rlen); + LASSERT(to->nr_segs <= LNET_MAX_IOV); conn->ksnc_cookie = msg; - conn->ksnc_rx_nob_wanted = mlen; + conn->ksnc_rx_nob_wanted = iov_iter_count(to); conn->ksnc_rx_nob_left = rlen; - if (!mlen || iov) { + if (to->type & ITER_KVEC) { conn->ksnc_rx_nkiov = 0; conn->ksnc_rx_kiov = NULL; conn->ksnc_rx_iov = conn->ksnc_rx_iov_space.iov; conn->ksnc_rx_niov = lnet_extract_iov(LNET_MAX_IOV, conn->ksnc_rx_iov, - niov, iov, offset, mlen); + to->nr_segs, to->kvec, + to->iov_offset, iov_iter_count(to)); } else { conn->ksnc_rx_niov = 0; conn->ksnc_rx_iov = NULL; conn->ksnc_rx_kiov = conn->ksnc_rx_iov_space.kiov; conn->ksnc_rx_nkiov = lnet_extract_kiov(LNET_MAX_IOV, conn->ksnc_rx_kiov, - niov, kiov, offset, mlen); + to->nr_segs, to->bvec, + to->iov_offset, iov_iter_count(to)); } - LASSERT(mlen == - lnet_iov_nob(conn->ksnc_rx_niov, conn->ksnc_rx_iov) + - lnet_kiov_nob(conn->ksnc_rx_nkiov, conn->ksnc_rx_kiov)); - LASSERT(conn->ksnc_rx_scheduled); spin_lock_bh(&sched->kss_lock); @@ -2008,13 +2005,6 @@ ksocknal_connect(struct ksock_route *route) list_splice_init(&peer->ksnp_tx_queue, &zombies); } -#if 0 /* irrelevant with only eager routes */ - if (!route->ksnr_deleted) { - /* make this route least-favourite for re-selection */ - list_del(&route->ksnr_list); - list_add_tail(&route->ksnr_list, &peer->ksnp_routes); - } -#endif write_unlock_bh(&ksocknal_data.ksnd_global_lock); ksocknal_peer_failed(peer); diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c index 6a17757fce1e..6c95e989ca12 100644 --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c @@ -73,9 +73,9 @@ ksocknal_lib_zc_capable(struct ksock_conn *conn) int ksocknal_lib_send_iov(struct ksock_conn *conn, struct ksock_tx *tx) { + struct msghdr msg = {.msg_flags = MSG_DONTWAIT}; struct socket *sock = conn->ksnc_sock; - int nob; - int rc; + int nob, i; if (*ksocknal_tunables.ksnd_enable_csum && /* checksum enabled */ conn->ksnc_proto == &ksocknal_protocol_v2x && /* V2.x connection */ @@ -83,34 +83,16 @@ ksocknal_lib_send_iov(struct ksock_conn *conn, struct ksock_tx *tx) !tx->tx_msg.ksm_csum) /* not checksummed */ ksocknal_lib_csum_tx(tx); - /* - * NB we can't trust socket ops to either consume our iovs - * or leave them alone. - */ - { -#if SOCKNAL_SINGLE_FRAG_TX - struct kvec scratch; - struct kvec *scratchiov = &scratch; - unsigned int niov = 1; -#else - struct kvec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov; - unsigned int niov = tx->tx_niov; -#endif - struct msghdr msg = {.msg_flags = MSG_DONTWAIT}; - int i; + for (nob = i = 0; i < tx->tx_niov; i++) + nob += tx->tx_iov[i].iov_len; - for (nob = i = 0; i < niov; i++) { - scratchiov[i] = tx->tx_iov[i]; - nob += scratchiov[i].iov_len; - } + if (!list_empty(&conn->ksnc_tx_queue) || + nob < tx->tx_resid) + msg.msg_flags |= MSG_MORE; - if (!list_empty(&conn->ksnc_tx_queue) || - nob < tx->tx_resid) - msg.msg_flags |= MSG_MORE; - - rc = kernel_sendmsg(sock, &msg, scratchiov, niov, nob); - } - return rc; + iov_iter_kvec(&msg.msg_iter, WRITE | ITER_KVEC, + tx->tx_iov, tx->tx_niov, nob); + return sock_sendmsg(sock, &msg); } int @@ -124,20 +106,16 @@ ksocknal_lib_send_kiov(struct ksock_conn *conn, struct ksock_tx *tx) /* Not NOOP message */ LASSERT(tx->tx_lnetmsg); - /* - * NB we can't trust socket ops to either consume our iovs - * or leave them alone. - */ if (tx->tx_msg.ksm_zc_cookies[0]) { /* Zero copy is enabled */ struct sock *sk = sock->sk; - struct page *page = kiov->kiov_page; - int offset = kiov->kiov_offset; - int fragsize = kiov->kiov_len; + struct page *page = kiov->bv_page; + int offset = kiov->bv_offset; + int fragsize = kiov->bv_len; int msgflg = MSG_DONTWAIT; CDEBUG(D_NET, "page %p + offset %x for %d\n", - page, offset, kiov->kiov_len); + page, offset, kiov->bv_len); if (!list_empty(&conn->ksnc_tx_queue) || fragsize < tx->tx_resid) @@ -150,34 +128,19 @@ ksocknal_lib_send_kiov(struct ksock_conn *conn, struct ksock_tx *tx) rc = tcp_sendpage(sk, page, offset, fragsize, msgflg); } } else { -#if SOCKNAL_SINGLE_FRAG_TX || !SOCKNAL_RISK_KMAP_DEADLOCK - struct kvec scratch; - struct kvec *scratchiov = &scratch; - unsigned int niov = 1; -#else -#ifdef CONFIG_HIGHMEM -#warning "XXX risk of kmap deadlock on multiple frags..." -#endif - struct kvec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov; - unsigned int niov = tx->tx_nkiov; -#endif struct msghdr msg = {.msg_flags = MSG_DONTWAIT}; int i; - for (nob = i = 0; i < niov; i++) { - scratchiov[i].iov_base = kmap(kiov[i].kiov_page) + - kiov[i].kiov_offset; - nob += scratchiov[i].iov_len = kiov[i].kiov_len; - } + for (nob = i = 0; i < tx->tx_nkiov; i++) + nob += kiov[i].bv_len; if (!list_empty(&conn->ksnc_tx_queue) || nob < tx->tx_resid) msg.msg_flags |= MSG_MORE; - rc = kernel_sendmsg(sock, &msg, (struct kvec *)scratchiov, niov, nob); - - for (i = 0; i < niov; i++) - kunmap(kiov[i].kiov_page); + iov_iter_bvec(&msg.msg_iter, WRITE | ITER_BVEC, + kiov, tx->tx_nkiov, nob); + rc = sock_sendmsg(sock, &msg); } return rc; } @@ -201,14 +164,7 @@ ksocknal_lib_eager_ack(struct ksock_conn *conn) int ksocknal_lib_recv_iov(struct ksock_conn *conn) { -#if SOCKNAL_SINGLE_FRAG_RX - struct kvec scratch; - struct kvec *scratchiov = &scratch; - unsigned int niov = 1; -#else - struct kvec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov; unsigned int niov = conn->ksnc_rx_niov; -#endif struct kvec *iov = conn->ksnc_rx_iov; struct msghdr msg = { .msg_flags = 0 @@ -220,20 +176,15 @@ ksocknal_lib_recv_iov(struct ksock_conn *conn) int sum; __u32 saved_csum; - /* - * NB we can't trust socket ops to either consume our iovs - * or leave them alone. - */ LASSERT(niov > 0); - for (nob = i = 0; i < niov; i++) { - scratchiov[i] = iov[i]; - nob += scratchiov[i].iov_len; - } + for (nob = i = 0; i < niov; i++) + nob += iov[i].iov_len; + LASSERT(nob <= conn->ksnc_rx_nob_wanted); - rc = kernel_recvmsg(conn->ksnc_sock, &msg, scratchiov, niov, nob, - MSG_DONTWAIT); + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, iov, niov, nob); + rc = sock_recvmsg(conn->ksnc_sock, &msg, MSG_DONTWAIT); saved_csum = 0; if (conn->ksnc_proto == &ksocknal_protocol_v2x) { @@ -259,67 +210,10 @@ ksocknal_lib_recv_iov(struct ksock_conn *conn) return rc; } -static void -ksocknal_lib_kiov_vunmap(void *addr) -{ - if (!addr) - return; - - vunmap(addr); -} - -static void * -ksocknal_lib_kiov_vmap(lnet_kiov_t *kiov, int niov, - struct kvec *iov, struct page **pages) -{ - void *addr; - int nob; - int i; - - if (!*ksocknal_tunables.ksnd_zc_recv || !pages) - return NULL; - - LASSERT(niov <= LNET_MAX_IOV); - - if (niov < 2 || - niov < *ksocknal_tunables.ksnd_zc_recv_min_nfrags) - return NULL; - - for (nob = i = 0; i < niov; i++) { - if ((kiov[i].kiov_offset && i > 0) || - (kiov[i].kiov_offset + kiov[i].kiov_len != PAGE_SIZE && i < niov - 1)) - return NULL; - - pages[i] = kiov[i].kiov_page; - nob += kiov[i].kiov_len; - } - - addr = vmap(pages, niov, VM_MAP, PAGE_KERNEL); - if (!addr) - return NULL; - - iov->iov_base = addr + kiov[0].kiov_offset; - iov->iov_len = nob; - - return addr; -} - int ksocknal_lib_recv_kiov(struct ksock_conn *conn) { -#if SOCKNAL_SINGLE_FRAG_RX || !SOCKNAL_RISK_KMAP_DEADLOCK - struct kvec scratch; - struct kvec *scratchiov = &scratch; - struct page **pages = NULL; - unsigned int niov = 1; -#else -#ifdef CONFIG_HIGHMEM -#warning "XXX risk of kmap deadlock on multiple frags..." -#endif - struct kvec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov; - struct page **pages = conn->ksnc_scheduler->kss_rx_scratch_pgs; unsigned int niov = conn->ksnc_rx_nkiov; -#endif lnet_kiov_t *kiov = conn->ksnc_rx_kiov; struct msghdr msg = { .msg_flags = 0 @@ -328,63 +222,32 @@ ksocknal_lib_recv_kiov(struct ksock_conn *conn) int i; int rc; void *base; - void *addr; int sum; int fragnob; - int n; - - /* - * NB we can't trust socket ops to either consume our iovs - * or leave them alone. - */ - addr = ksocknal_lib_kiov_vmap(kiov, niov, scratchiov, pages); - if (addr) { - nob = scratchiov[0].iov_len; - n = 1; - } else { - for (nob = i = 0; i < niov; i++) { - nob += scratchiov[i].iov_len = kiov[i].kiov_len; - scratchiov[i].iov_base = kmap(kiov[i].kiov_page) + - kiov[i].kiov_offset; - } - n = niov; - } + for (nob = i = 0; i < niov; i++) + nob += kiov[i].bv_len; LASSERT(nob <= conn->ksnc_rx_nob_wanted); - rc = kernel_recvmsg(conn->ksnc_sock, &msg, (struct kvec *)scratchiov, - n, nob, MSG_DONTWAIT); + iov_iter_bvec(&msg.msg_iter, READ | ITER_BVEC, kiov, niov, nob); + rc = sock_recvmsg(conn->ksnc_sock, &msg, MSG_DONTWAIT); if (conn->ksnc_msg.ksm_csum) { for (i = 0, sum = rc; sum > 0; i++, sum -= fragnob) { LASSERT(i < niov); - /* - * Dang! have to kmap again because I have nowhere to - * stash the mapped address. But by doing it while the - * page is still mapped, the kernel just bumps the map - * count and returns me the address it stashed. - */ - base = kmap(kiov[i].kiov_page) + kiov[i].kiov_offset; - fragnob = kiov[i].kiov_len; + base = kmap(kiov[i].bv_page) + kiov[i].bv_offset; + fragnob = kiov[i].bv_len; if (fragnob > sum) fragnob = sum; conn->ksnc_rx_csum = ksocknal_csum(conn->ksnc_rx_csum, base, fragnob); - kunmap(kiov[i].kiov_page); + kunmap(kiov[i].bv_page); } } - - if (addr) { - ksocknal_lib_kiov_vunmap(addr); - } else { - for (i = 0; i < niov; i++) - kunmap(kiov[i].kiov_page); - } - return rc; } @@ -406,12 +269,12 @@ ksocknal_lib_csum_tx(struct ksock_tx *tx) if (tx->tx_kiov) { for (i = 0; i < tx->tx_nkiov; i++) { - base = kmap(tx->tx_kiov[i].kiov_page) + - tx->tx_kiov[i].kiov_offset; + base = kmap(tx->tx_kiov[i].bv_page) + + tx->tx_kiov[i].bv_offset; - csum = ksocknal_csum(csum, base, tx->tx_kiov[i].kiov_len); + csum = ksocknal_csum(csum, base, tx->tx_kiov[i].bv_len); - kunmap(tx->tx_kiov[i].kiov_page); + kunmap(tx->tx_kiov[i].bv_page); } } else { for (i = 1; i < tx->tx_niov; i++) diff --git a/drivers/staging/lustre/lnet/libcfs/debug.c b/drivers/staging/lustre/lnet/libcfs/debug.c index 42b15a769183..23b36b890964 100644 --- a/drivers/staging/lustre/lnet/libcfs/debug.c +++ b/drivers/staging/lustre/lnet/libcfs/debug.c @@ -328,15 +328,20 @@ libcfs_debug_str2mask(int *mask, const char *str, int is_subsys) */ void libcfs_debug_dumplog_internal(void *arg) { + static time64_t last_dump_time; + time64_t current_time; void *journal_info; journal_info = current->journal_info; current->journal_info = NULL; + current_time = ktime_get_real_seconds(); - if (strncmp(libcfs_debug_file_path_arr, "NONE", 4) != 0) { + if (strncmp(libcfs_debug_file_path_arr, "NONE", 4) && + current_time > last_dump_time) { + last_dump_time = current_time; snprintf(debug_file_name, sizeof(debug_file_name) - 1, "%s.%lld.%ld", libcfs_debug_file_path_arr, - (s64)ktime_get_real_seconds(), (long_ptr_t)arg); + (s64)current_time, (long_ptr_t)arg); pr_alert("LustreError: dumping log to %s\n", debug_file_name); cfs_tracefile_dump_all_pages(debug_file_name); libcfs_run_debug_log_upcall(debug_file_name); diff --git a/drivers/staging/lustre/lnet/libcfs/fail.c b/drivers/staging/lustre/lnet/libcfs/fail.c index 9288ee08d1f7..e4b1a0a86eae 100644 --- a/drivers/staging/lustre/lnet/libcfs/fail.c +++ b/drivers/staging/lustre/lnet/libcfs/fail.c @@ -90,8 +90,10 @@ int __cfs_fail_check_set(__u32 id, __u32 value, int set) } } - if ((set == CFS_FAIL_LOC_ORSET || set == CFS_FAIL_LOC_RESET) && - (value & CFS_FAIL_ONCE)) + /* Take into account the current call for FAIL_ONCE for ORSET only, + * as RESET is a new fail_loc, it does not change the current call + */ + if ((set == CFS_FAIL_LOC_ORSET) && (value & CFS_FAIL_ONCE)) set_bit(CFS_FAIL_ONCE_BIT, &cfs_fail_loc); /* Lost race to set CFS_FAILED_BIT. */ if (test_and_set_bit(CFS_FAILED_BIT, &cfs_fail_loc)) { diff --git a/drivers/staging/lustre/lnet/libcfs/libcfs_string.c b/drivers/staging/lustre/lnet/libcfs/libcfs_string.c index fc697cdfcdaf..56a614d7713b 100644 --- a/drivers/staging/lustre/lnet/libcfs/libcfs_string.c +++ b/drivers/staging/lustre/lnet/libcfs/libcfs_string.c @@ -229,8 +229,6 @@ cfs_str2num_check(char *str, int nob, unsigned *num, char *endp, cache; int rc; - str = cfs_trimwhite(str); - /** * kstrouint can only handle strings composed * of only numbers. We need to scan the string diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c index 5c0116ade909..7f56d2c9dd00 100644 --- a/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c +++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c @@ -95,8 +95,8 @@ static int cfs_crypto_hash_alloc(enum cfs_crypto_hash_alg hash_alg, err = crypto_ahash_setkey(tfm, key, key_len); else if ((*type)->cht_key != 0) err = crypto_ahash_setkey(tfm, - (unsigned char *)&((*type)->cht_key), - (*type)->cht_size); + (unsigned char *)&((*type)->cht_key), + (*type)->cht_size); if (err != 0) { ahash_request_free(*req); diff --git a/drivers/staging/lustre/lnet/lnet/lib-md.c b/drivers/staging/lustre/lnet/lnet/lib-md.c index 1834bf7a27ef..e0b2f16aab12 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-md.c +++ b/drivers/staging/lustre/lnet/lnet/lib-md.c @@ -134,11 +134,11 @@ lnet_md_build(lnet_libmd_t *lmd, lnet_md_t *umd, int unlink) for (i = 0; i < (int)niov; i++) { /* We take the page pointer on trust */ - if (lmd->md_iov.kiov[i].kiov_offset + - lmd->md_iov.kiov[i].kiov_len > PAGE_SIZE) + if (lmd->md_iov.kiov[i].bv_offset + + lmd->md_iov.kiov[i].bv_len > PAGE_SIZE) return -EINVAL; /* invalid length */ - total_length += lmd->md_iov.kiov[i].kiov_len; + total_length += lmd->md_iov.kiov[i].bv_len; } lmd->md_length = total_length; diff --git a/drivers/staging/lustre/lnet/lnet/lib-move.c b/drivers/staging/lustre/lnet/lnet/lib-move.c index e6d3b801d87d..f89c9fe57c62 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-move.c +++ b/drivers/staging/lustre/lnet/lnet/lib-move.c @@ -166,25 +166,17 @@ lnet_iov_nob(unsigned int niov, struct kvec *iov) EXPORT_SYMBOL(lnet_iov_nob); void -lnet_copy_iov2iov(unsigned int ndiov, struct kvec *diov, unsigned int doffset, - unsigned int nsiov, struct kvec *siov, unsigned int soffset, - unsigned int nob) +lnet_copy_iov2iter(struct iov_iter *to, + unsigned int nsiov, const struct kvec *siov, + unsigned int soffset, unsigned int nob) { /* NB diov, siov are READ-ONLY */ - unsigned int this_nob; + const char *s; + size_t left; if (!nob) return; - /* skip complete frags before 'doffset' */ - LASSERT(ndiov > 0); - while (doffset >= diov->iov_len) { - doffset -= diov->iov_len; - diov++; - ndiov--; - LASSERT(ndiov > 0); - } - /* skip complete frags before 'soffset' */ LASSERT(nsiov > 0); while (soffset >= siov->iov_len) { @@ -194,39 +186,68 @@ lnet_copy_iov2iov(unsigned int ndiov, struct kvec *diov, unsigned int doffset, LASSERT(nsiov > 0); } + s = (char *)siov->iov_base + soffset; + left = siov->iov_len - soffset; do { - LASSERT(ndiov > 0); + size_t n, copy = left; LASSERT(nsiov > 0); - this_nob = min(diov->iov_len - doffset, - siov->iov_len - soffset); - this_nob = min(this_nob, nob); - memcpy((char *)diov->iov_base + doffset, - (char *)siov->iov_base + soffset, this_nob); - nob -= this_nob; + if (copy > nob) + copy = nob; + n = copy_to_iter(s, copy, to); + if (n != copy) + return; + nob -= n; - if (diov->iov_len > doffset + this_nob) { - doffset += this_nob; - } else { - diov++; - ndiov--; - doffset = 0; - } + siov++; + s = (char *)siov->iov_base; + left = siov->iov_len; + nsiov--; + } while (nob > 0); +} +EXPORT_SYMBOL(lnet_copy_iov2iter); - if (siov->iov_len > soffset + this_nob) { - soffset += this_nob; - } else { - siov++; - nsiov--; - soffset = 0; - } +void +lnet_copy_kiov2iter(struct iov_iter *to, + unsigned int nsiov, const lnet_kiov_t *siov, + unsigned int soffset, unsigned int nob) +{ + if (!nob) + return; + + LASSERT(!in_interrupt()); + + LASSERT(nsiov > 0); + while (soffset >= siov->bv_len) { + soffset -= siov->bv_len; + siov++; + nsiov--; + LASSERT(nsiov > 0); + } + + do { + size_t copy = siov->bv_len - soffset, n; + + LASSERT(nsiov > 0); + + if (copy > nob) + copy = nob; + n = copy_page_to_iter(siov->bv_page, + siov->bv_offset + soffset, + copy, to); + if (n != copy) + return; + nob -= n; + siov++; + nsiov--; + soffset = 0; } while (nob > 0); } -EXPORT_SYMBOL(lnet_copy_iov2iov); +EXPORT_SYMBOL(lnet_copy_kiov2iter); int lnet_extract_iov(int dst_niov, struct kvec *dst, - int src_niov, struct kvec *src, + int src_niov, const struct kvec *src, unsigned int offset, unsigned int len) { /* @@ -280,238 +301,15 @@ lnet_kiov_nob(unsigned int niov, lnet_kiov_t *kiov) LASSERT(!niov || kiov); while (niov-- > 0) - nob += (kiov++)->kiov_len; + nob += (kiov++)->bv_len; return nob; } EXPORT_SYMBOL(lnet_kiov_nob); -void -lnet_copy_kiov2kiov(unsigned int ndiov, lnet_kiov_t *diov, unsigned int doffset, - unsigned int nsiov, lnet_kiov_t *siov, unsigned int soffset, - unsigned int nob) -{ - /* NB diov, siov are READ-ONLY */ - unsigned int this_nob; - char *daddr = NULL; - char *saddr = NULL; - - if (!nob) - return; - - LASSERT(!in_interrupt()); - - LASSERT(ndiov > 0); - while (doffset >= diov->kiov_len) { - doffset -= diov->kiov_len; - diov++; - ndiov--; - LASSERT(ndiov > 0); - } - - LASSERT(nsiov > 0); - while (soffset >= siov->kiov_len) { - soffset -= siov->kiov_len; - siov++; - nsiov--; - LASSERT(nsiov > 0); - } - - do { - LASSERT(ndiov > 0); - LASSERT(nsiov > 0); - this_nob = min(diov->kiov_len - doffset, - siov->kiov_len - soffset); - this_nob = min(this_nob, nob); - - if (!daddr) - daddr = ((char *)kmap(diov->kiov_page)) + - diov->kiov_offset + doffset; - if (!saddr) - saddr = ((char *)kmap(siov->kiov_page)) + - siov->kiov_offset + soffset; - - /* - * Vanishing risk of kmap deadlock when mapping 2 pages. - * However in practice at least one of the kiovs will be mapped - * kernel pages and the map/unmap will be NOOPs - */ - memcpy(daddr, saddr, this_nob); - nob -= this_nob; - - if (diov->kiov_len > doffset + this_nob) { - daddr += this_nob; - doffset += this_nob; - } else { - kunmap(diov->kiov_page); - daddr = NULL; - diov++; - ndiov--; - doffset = 0; - } - - if (siov->kiov_len > soffset + this_nob) { - saddr += this_nob; - soffset += this_nob; - } else { - kunmap(siov->kiov_page); - saddr = NULL; - siov++; - nsiov--; - soffset = 0; - } - } while (nob > 0); - - if (daddr) - kunmap(diov->kiov_page); - if (saddr) - kunmap(siov->kiov_page); -} -EXPORT_SYMBOL(lnet_copy_kiov2kiov); - -void -lnet_copy_kiov2iov(unsigned int niov, struct kvec *iov, unsigned int iovoffset, - unsigned int nkiov, lnet_kiov_t *kiov, - unsigned int kiovoffset, unsigned int nob) -{ - /* NB iov, kiov are READ-ONLY */ - unsigned int this_nob; - char *addr = NULL; - - if (!nob) - return; - - LASSERT(!in_interrupt()); - - LASSERT(niov > 0); - while (iovoffset >= iov->iov_len) { - iovoffset -= iov->iov_len; - iov++; - niov--; - LASSERT(niov > 0); - } - - LASSERT(nkiov > 0); - while (kiovoffset >= kiov->kiov_len) { - kiovoffset -= kiov->kiov_len; - kiov++; - nkiov--; - LASSERT(nkiov > 0); - } - - do { - LASSERT(niov > 0); - LASSERT(nkiov > 0); - this_nob = min(iov->iov_len - iovoffset, - (__kernel_size_t)kiov->kiov_len - kiovoffset); - this_nob = min(this_nob, nob); - - if (!addr) - addr = ((char *)kmap(kiov->kiov_page)) + - kiov->kiov_offset + kiovoffset; - - memcpy((char *)iov->iov_base + iovoffset, addr, this_nob); - nob -= this_nob; - - if (iov->iov_len > iovoffset + this_nob) { - iovoffset += this_nob; - } else { - iov++; - niov--; - iovoffset = 0; - } - - if (kiov->kiov_len > kiovoffset + this_nob) { - addr += this_nob; - kiovoffset += this_nob; - } else { - kunmap(kiov->kiov_page); - addr = NULL; - kiov++; - nkiov--; - kiovoffset = 0; - } - - } while (nob > 0); - - if (addr) - kunmap(kiov->kiov_page); -} -EXPORT_SYMBOL(lnet_copy_kiov2iov); - -void -lnet_copy_iov2kiov(unsigned int nkiov, lnet_kiov_t *kiov, - unsigned int kiovoffset, unsigned int niov, - struct kvec *iov, unsigned int iovoffset, - unsigned int nob) -{ - /* NB kiov, iov are READ-ONLY */ - unsigned int this_nob; - char *addr = NULL; - - if (!nob) - return; - - LASSERT(!in_interrupt()); - - LASSERT(nkiov > 0); - while (kiovoffset >= kiov->kiov_len) { - kiovoffset -= kiov->kiov_len; - kiov++; - nkiov--; - LASSERT(nkiov > 0); - } - - LASSERT(niov > 0); - while (iovoffset >= iov->iov_len) { - iovoffset -= iov->iov_len; - iov++; - niov--; - LASSERT(niov > 0); - } - - do { - LASSERT(nkiov > 0); - LASSERT(niov > 0); - this_nob = min((__kernel_size_t)kiov->kiov_len - kiovoffset, - iov->iov_len - iovoffset); - this_nob = min(this_nob, nob); - - if (!addr) - addr = ((char *)kmap(kiov->kiov_page)) + - kiov->kiov_offset + kiovoffset; - - memcpy(addr, (char *)iov->iov_base + iovoffset, this_nob); - nob -= this_nob; - - if (kiov->kiov_len > kiovoffset + this_nob) { - addr += this_nob; - kiovoffset += this_nob; - } else { - kunmap(kiov->kiov_page); - addr = NULL; - kiov++; - nkiov--; - kiovoffset = 0; - } - - if (iov->iov_len > iovoffset + this_nob) { - iovoffset += this_nob; - } else { - iov++; - niov--; - iovoffset = 0; - } - } while (nob > 0); - - if (addr) - kunmap(kiov->kiov_page); -} -EXPORT_SYMBOL(lnet_copy_iov2kiov); - int lnet_extract_kiov(int dst_niov, lnet_kiov_t *dst, - int src_niov, lnet_kiov_t *src, + int src_niov, const lnet_kiov_t *src, unsigned int offset, unsigned int len) { /* @@ -526,8 +324,8 @@ lnet_extract_kiov(int dst_niov, lnet_kiov_t *dst, return 0; /* no frags */ LASSERT(src_niov > 0); - while (offset >= src->kiov_len) { /* skip initial frags */ - offset -= src->kiov_len; + while (offset >= src->bv_len) { /* skip initial frags */ + offset -= src->bv_len; src_niov--; src++; LASSERT(src_niov > 0); @@ -538,19 +336,19 @@ lnet_extract_kiov(int dst_niov, lnet_kiov_t *dst, LASSERT(src_niov > 0); LASSERT((int)niov <= dst_niov); - frag_len = src->kiov_len - offset; - dst->kiov_page = src->kiov_page; - dst->kiov_offset = src->kiov_offset + offset; + frag_len = src->bv_len - offset; + dst->bv_page = src->bv_page; + dst->bv_offset = src->bv_offset + offset; if (len <= frag_len) { - dst->kiov_len = len; - LASSERT(dst->kiov_offset + dst->kiov_len + dst->bv_len = len; + LASSERT(dst->bv_offset + dst->bv_len <= PAGE_SIZE); return niov; } - dst->kiov_len = frag_len; - LASSERT(dst->kiov_offset + dst->kiov_len <= PAGE_SIZE); + dst->bv_len = frag_len; + LASSERT(dst->bv_offset + dst->bv_len <= PAGE_SIZE); len -= frag_len; dst++; @@ -569,6 +367,7 @@ lnet_ni_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed, unsigned int niov = 0; struct kvec *iov = NULL; lnet_kiov_t *kiov = NULL; + struct iov_iter to; int rc; LASSERT(!in_interrupt()); @@ -594,8 +393,14 @@ lnet_ni_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed, } } - rc = ni->ni_lnd->lnd_recv(ni, private, msg, delayed, - niov, iov, kiov, offset, mlen, rlen); + if (iov) { + iov_iter_kvec(&to, ITER_KVEC | READ, iov, niov, mlen + offset); + iov_iter_advance(&to, offset); + } else { + iov_iter_bvec(&to, ITER_BVEC | READ, kiov, niov, mlen + offset); + iov_iter_advance(&to, offset); + } + rc = ni->ni_lnd->lnd_recv(ni, private, msg, delayed, &to, rlen); if (rc < 0) lnet_finalize(ni, msg, rc); } @@ -2002,6 +1807,9 @@ lnet_parse(lnet_ni_t *ni, lnet_hdr_t *hdr, lnet_nid_t from_nid, libcfs_nid2str(from_nid), libcfs_nid2str(src_nid), lnet_msgtyp2str(type), rc); lnet_msg_free(msg); + if (rc == -ESHUTDOWN) + /* We are shutting down. Don't do anything more */ + return 0; goto drop; } diff --git a/drivers/staging/lustre/lnet/lnet/lib-msg.c b/drivers/staging/lustre/lnet/lnet/lib-msg.c index 910e106e221d..0897e588bd54 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-msg.c +++ b/drivers/staging/lustre/lnet/lnet/lib-msg.c @@ -449,23 +449,7 @@ lnet_finalize(lnet_ni_t *ni, lnet_msg_t *msg, int status) if (!msg) return; -#if 0 - CDEBUG(D_WARNING, "%s msg->%s Flags:%s%s%s%s%s%s%s%s%s%s%s txp %s rxp %s\n", - lnet_msgtyp2str(msg->msg_type), libcfs_id2str(msg->msg_target), - msg->msg_target_is_router ? "t" : "", - msg->msg_routing ? "X" : "", - msg->msg_ack ? "A" : "", - msg->msg_sending ? "S" : "", - msg->msg_receiving ? "R" : "", - msg->msg_delayed ? "d" : "", - msg->msg_txcredit ? "C" : "", - msg->msg_peertxcredit ? "c" : "", - msg->msg_rtrcredit ? "F" : "", - msg->msg_peerrtrcredit ? "f" : "", - msg->msg_onactivelist ? "!" : "", - !msg->msg_txpeer ? "<none>" : libcfs_nid2str(msg->msg_txpeer->lp_nid), - !msg->msg_rxpeer ? "<none>" : libcfs_nid2str(msg->msg_rxpeer->lp_nid)); -#endif + msg->msg_ev.status = status; if (msg->msg_md) { diff --git a/drivers/staging/lustre/lnet/lnet/lib-socket.c b/drivers/staging/lustre/lnet/lnet/lib-socket.c index 891fd59401d7..4e6dd5149b4f 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-socket.c +++ b/drivers/staging/lustre/lnet/lnet/lib-socket.c @@ -265,21 +265,17 @@ lnet_sock_write(struct socket *sock, void *buffer, int nob, int timeout) long jiffies_left = timeout * msecs_to_jiffies(MSEC_PER_SEC); unsigned long then; struct timeval tv; + struct kvec iov = { .iov_base = buffer, .iov_len = nob }; + struct msghdr msg = {NULL,}; LASSERT(nob > 0); /* * Caller may pass a zero timeout if she thinks the socket buffer is * empty enough to take the whole message immediately */ + iov_iter_kvec(&msg.msg_iter, WRITE | ITER_KVEC, &iov, 1, nob); for (;;) { - struct kvec iov = { - .iov_base = buffer, - .iov_len = nob - }; - struct msghdr msg = { - .msg_flags = !timeout ? MSG_DONTWAIT : 0 - }; - + msg.msg_flags = !timeout ? MSG_DONTWAIT : 0; if (timeout) { /* Set send timeout to remaining time */ jiffies_to_timeval(jiffies_left, &tv); @@ -296,9 +292,6 @@ lnet_sock_write(struct socket *sock, void *buffer, int nob, int timeout) rc = kernel_sendmsg(sock, &msg, &iov, 1, nob); jiffies_left -= jiffies - then; - if (rc == nob) - return 0; - if (rc < 0) return rc; @@ -307,11 +300,11 @@ lnet_sock_write(struct socket *sock, void *buffer, int nob, int timeout) return -ECONNABORTED; } + if (!msg_data_left(&msg)) + break; + if (jiffies_left <= 0) return -EAGAIN; - - buffer = ((char *)buffer) + rc; - nob -= rc; } return 0; } diff --git a/drivers/staging/lustre/lnet/lnet/lo.c b/drivers/staging/lustre/lnet/lnet/lo.c index 08402712a452..cb213b8f51cf 100644 --- a/drivers/staging/lustre/lnet/lnet/lo.c +++ b/drivers/staging/lustre/lnet/lnet/lo.c @@ -42,36 +42,23 @@ lolnd_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg) static int lolnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, - int delayed, unsigned int niov, - struct kvec *iov, lnet_kiov_t *kiov, - unsigned int offset, unsigned int mlen, unsigned int rlen) + int delayed, struct iov_iter *to, unsigned int rlen) { lnet_msg_t *sendmsg = private; if (lntmsg) { /* not discarding */ - if (sendmsg->msg_iov) { - if (iov) - lnet_copy_iov2iov(niov, iov, offset, - sendmsg->msg_niov, - sendmsg->msg_iov, - sendmsg->msg_offset, mlen); - else - lnet_copy_iov2kiov(niov, kiov, offset, - sendmsg->msg_niov, - sendmsg->msg_iov, - sendmsg->msg_offset, mlen); - } else { - if (iov) - lnet_copy_kiov2iov(niov, iov, offset, - sendmsg->msg_niov, - sendmsg->msg_kiov, - sendmsg->msg_offset, mlen); - else - lnet_copy_kiov2kiov(niov, kiov, offset, - sendmsg->msg_niov, - sendmsg->msg_kiov, - sendmsg->msg_offset, mlen); - } + if (sendmsg->msg_iov) + lnet_copy_iov2iter(to, + sendmsg->msg_niov, + sendmsg->msg_iov, + sendmsg->msg_offset, + iov_iter_count(to)); + else + lnet_copy_kiov2iter(to, + sendmsg->msg_niov, + sendmsg->msg_kiov, + sendmsg->msg_offset, + iov_iter_count(to)); lnet_finalize(ni, lntmsg, 0); } diff --git a/drivers/staging/lustre/lnet/lnet/router.c b/drivers/staging/lustre/lnet/lnet/router.c index 063543233035..69819c93fc0b 100644 --- a/drivers/staging/lustre/lnet/lnet/router.c +++ b/drivers/staging/lustre/lnet/lnet/router.c @@ -1307,7 +1307,7 @@ lnet_destroy_rtrbuf(lnet_rtrbuf_t *rb, int npages) int sz = offsetof(lnet_rtrbuf_t, rb_kiov[npages]); while (--npages >= 0) - __free_page(rb->rb_kiov[npages].kiov_page); + __free_page(rb->rb_kiov[npages].bv_page); LIBCFS_FREE(rb, sz); } @@ -1333,15 +1333,15 @@ lnet_new_rtrbuf(lnet_rtrbufpool_t *rbp, int cpt) GFP_KERNEL | __GFP_ZERO, 0); if (!page) { while (--i >= 0) - __free_page(rb->rb_kiov[i].kiov_page); + __free_page(rb->rb_kiov[i].bv_page); LIBCFS_FREE(rb, sz); return NULL; } - rb->rb_kiov[i].kiov_len = PAGE_SIZE; - rb->rb_kiov[i].kiov_offset = 0; - rb->rb_kiov[i].kiov_page = page; + rb->rb_kiov[i].bv_len = PAGE_SIZE; + rb->rb_kiov[i].bv_offset = 0; + rb->rb_kiov[i].bv_page = page; } return rb; diff --git a/drivers/staging/lustre/lnet/selftest/brw_test.c b/drivers/staging/lustre/lnet/selftest/brw_test.c index 13d0454e7fcb..b20c5d394e3b 100644 --- a/drivers/staging/lustre/lnet/selftest/brw_test.c +++ b/drivers/staging/lustre/lnet/selftest/brw_test.c @@ -226,7 +226,7 @@ brw_fill_bulk(struct srpc_bulk *bk, int pattern, __u64 magic) struct page *pg; for (i = 0; i < bk->bk_niov; i++) { - pg = bk->bk_iovs[i].kiov_page; + pg = bk->bk_iovs[i].bv_page; brw_fill_page(pg, pattern, magic); } } @@ -238,7 +238,7 @@ brw_check_bulk(struct srpc_bulk *bk, int pattern, __u64 magic) struct page *pg; for (i = 0; i < bk->bk_niov; i++) { - pg = bk->bk_iovs[i].kiov_page; + pg = bk->bk_iovs[i].bv_page; if (brw_check_page(pg, pattern, magic)) { CERROR("Bulk page %p (%d/%d) is corrupted!\n", pg, i, bk->bk_niov); diff --git a/drivers/staging/lustre/lnet/selftest/conrpc.c b/drivers/staging/lustre/lnet/selftest/conrpc.c index 1be3cad727ae..55afb53b0743 100644 --- a/drivers/staging/lustre/lnet/selftest/conrpc.c +++ b/drivers/staging/lustre/lnet/selftest/conrpc.c @@ -152,10 +152,10 @@ lstcon_rpc_put(struct lstcon_rpc *crpc) LASSERT(list_empty(&crpc->crp_link)); for (i = 0; i < bulk->bk_niov; i++) { - if (!bulk->bk_iovs[i].kiov_page) + if (!bulk->bk_iovs[i].bv_page) continue; - __free_page(bulk->bk_iovs[i].kiov_page); + __free_page(bulk->bk_iovs[i].bv_page); } srpc_client_rpc_decref(crpc->crp_rpc); @@ -705,7 +705,7 @@ lstcon_next_id(int idx, int nkiov, lnet_kiov_t *kiov) LASSERT(i < nkiov); - pid = (lnet_process_id_packed_t *)page_address(kiov[i].kiov_page); + pid = (lnet_process_id_packed_t *)page_address(kiov[i].bv_page); return &pid[idx % SFW_ID_PER_PAGE]; } @@ -849,12 +849,11 @@ lstcon_testrpc_prep(struct lstcon_node *nd, int transop, unsigned feats, min_t(int, nob, PAGE_SIZE); nob -= len; - bulk->bk_iovs[i].kiov_offset = 0; - bulk->bk_iovs[i].kiov_len = len; - bulk->bk_iovs[i].kiov_page = - alloc_page(GFP_KERNEL); + bulk->bk_iovs[i].bv_offset = 0; + bulk->bk_iovs[i].bv_len = len; + bulk->bk_iovs[i].bv_page = alloc_page(GFP_KERNEL); - if (!bulk->bk_iovs[i].kiov_page) { + if (!bulk->bk_iovs[i].bv_page) { lstcon_rpc_put(*crpc); return -ENOMEM; } diff --git a/drivers/staging/lustre/lnet/selftest/framework.c b/drivers/staging/lustre/lnet/selftest/framework.c index c2f121f44d33..abbd6287b4bd 100644 --- a/drivers/staging/lustre/lnet/selftest/framework.c +++ b/drivers/staging/lustre/lnet/selftest/framework.c @@ -784,8 +784,8 @@ sfw_add_test_instance(struct sfw_batch *tsb, struct srpc_server_rpc *rpc) lnet_process_id_packed_t id; int j; - dests = page_address(bk->bk_iovs[i / SFW_ID_PER_PAGE].kiov_page); - LASSERT(dests); /* my pages are within KVM always */ + dests = page_address(bk->bk_iovs[i / SFW_ID_PER_PAGE].bv_page); + LASSERT(dests); /* my pages are within KVM always */ id = dests[i % SFW_ID_PER_PAGE]; if (msg->msg_magic != SRPC_MSG_MAGIC) sfw_unpack_id(id); diff --git a/drivers/staging/lustre/lnet/selftest/rpc.c b/drivers/staging/lustre/lnet/selftest/rpc.c index 3b26d6eb4240..f5619d8744ef 100644 --- a/drivers/staging/lustre/lnet/selftest/rpc.c +++ b/drivers/staging/lustre/lnet/selftest/rpc.c @@ -91,9 +91,9 @@ srpc_add_bulk_page(struct srpc_bulk *bk, struct page *pg, int i, int nob) LASSERT(nob > 0); LASSERT(i >= 0 && i < bk->bk_niov); - bk->bk_iovs[i].kiov_offset = 0; - bk->bk_iovs[i].kiov_page = pg; - bk->bk_iovs[i].kiov_len = nob; + bk->bk_iovs[i].bv_offset = 0; + bk->bk_iovs[i].bv_page = pg; + bk->bk_iovs[i].bv_len = nob; return nob; } @@ -106,7 +106,7 @@ srpc_free_bulk(struct srpc_bulk *bk) LASSERT(bk); for (i = 0; i < bk->bk_niov; i++) { - pg = bk->bk_iovs[i].kiov_page; + pg = bk->bk_iovs[i].bv_page; if (!pg) break; diff --git a/drivers/staging/lustre/lustre/fld/fld_internal.h b/drivers/staging/lustre/lustre/fld/fld_internal.h index f0efe5b9fbec..08eaec735d6f 100644 --- a/drivers/staging/lustre/lustre/fld/fld_internal.h +++ b/drivers/staging/lustre/lustre/fld/fld_internal.h @@ -31,6 +31,25 @@ * * lustre/fld/fld_internal.h * + * Subsystem Description: + * FLD is FID Location Database, which stores where (IE, on which MDT) + * FIDs are located. + * The database is basically a record file, each record consists of a FID + * sequence range, MDT/OST index, and flags. The FLD for the whole FS + * is only stored on the sequence controller(MDT0) right now, but each target + * also has its local FLD, which only stores the local sequence. + * + * The FLD subsystem usually has two tasks: + * 1. maintain the database, i.e. when the sequence controller allocates + * new sequence ranges to some nodes, it will call the FLD API to insert the + * location information <sequence_range, node_index> in FLDB. + * + * 2. Handle requests from other nodes, i.e. if client needs to know where + * the FID is located, if it can not find the information in the local cache, + * it will send a FLD lookup RPC to the FLD service, and the FLD service will + * look up the FLDB entry and return the location information to client. + * + * * Author: Yury Umanets <umka@clusterfs.com> * Author: Tom WangDi <wangdi@clusterfs.com> */ diff --git a/drivers/staging/lustre/lustre/fld/fld_request.c b/drivers/staging/lustre/lustre/fld/fld_request.c index e59d626a1548..ed7962e4f079 100644 --- a/drivers/staging/lustre/lustre/fld/fld_request.c +++ b/drivers/staging/lustre/lustre/fld/fld_request.c @@ -53,57 +53,6 @@ #include "../include/lustre_mdc.h" #include "fld_internal.h" -/* TODO: these 3 functions are copies of flow-control code from mdc_lib.c - * It should be common thing. The same about mdc RPC lock - */ -static int fld_req_avail(struct client_obd *cli, struct mdc_cache_waiter *mcw) -{ - int rc; - - spin_lock(&cli->cl_loi_list_lock); - rc = list_empty(&mcw->mcw_entry); - spin_unlock(&cli->cl_loi_list_lock); - return rc; -}; - -static void fld_enter_request(struct client_obd *cli) -{ - struct mdc_cache_waiter mcw; - struct l_wait_info lwi = { 0 }; - - spin_lock(&cli->cl_loi_list_lock); - if (cli->cl_r_in_flight >= cli->cl_max_rpcs_in_flight) { - list_add_tail(&mcw.mcw_entry, &cli->cl_cache_waiters); - init_waitqueue_head(&mcw.mcw_waitq); - spin_unlock(&cli->cl_loi_list_lock); - l_wait_event(mcw.mcw_waitq, fld_req_avail(cli, &mcw), &lwi); - } else { - cli->cl_r_in_flight++; - spin_unlock(&cli->cl_loi_list_lock); - } -} - -static void fld_exit_request(struct client_obd *cli) -{ - struct list_head *l, *tmp; - struct mdc_cache_waiter *mcw; - - spin_lock(&cli->cl_loi_list_lock); - cli->cl_r_in_flight--; - list_for_each_safe(l, tmp, &cli->cl_cache_waiters) { - if (cli->cl_r_in_flight >= cli->cl_max_rpcs_in_flight) { - /* No free request slots anymore */ - break; - } - - mcw = list_entry(l, struct mdc_cache_waiter, mcw_entry); - list_del_init(&mcw->mcw_entry); - cli->cl_r_in_flight++; - wake_up(&mcw->mcw_waitq); - } - spin_unlock(&cli->cl_loi_list_lock); -} - static int fld_rrb_hash(struct lu_client_fld *fld, u64 seq) { LASSERT(fld->lcf_count > 0); @@ -439,9 +388,9 @@ int fld_client_rpc(struct obd_export *exp, req->rq_reply_portal = MDC_REPLY_PORTAL; ptlrpc_at_set_req_timeout(req); - fld_enter_request(&exp->exp_obd->u.cli); + obd_get_request_slot(&exp->exp_obd->u.cli); rc = ptlrpc_queue_wait(req); - fld_exit_request(&exp->exp_obd->u.cli); + obd_put_request_slot(&exp->exp_obd->u.cli); if (rc) goto out_req; diff --git a/drivers/staging/lustre/lustre/include/cl_object.h b/drivers/staging/lustre/lustre/include/cl_object.h index 3cd4a2577d90..5e63a275317b 100644 --- a/drivers/staging/lustre/lustre/include/cl_object.h +++ b/drivers/staging/lustre/lustre/include/cl_object.h @@ -191,6 +191,9 @@ struct cl_attr { * Group identifier for quota purposes. */ gid_t cat_gid; + + /* nlink of the directory */ + __u64 cat_nlink; }; /** @@ -320,7 +323,7 @@ struct cl_object_operations { * to be used instead of newly created. */ int (*coo_page_init)(const struct lu_env *env, struct cl_object *obj, - struct cl_page *page, pgoff_t index); + struct cl_page *page, pgoff_t index); /** * Initialize lock slice for this layer. Called top-to-bottom through * every object layer when a new cl_lock is instantiated. Layer @@ -687,17 +690,6 @@ enum cl_page_type { }; /** - * Flags maintained for every cl_page. - */ -enum cl_page_flags { - /** - * Set when pagein completes. Used for debugging (read completes at - * most once for a page). - */ - CPF_READ_COMPLETED = 1 << 0 -}; - -/** * Fields are protected by the lock on struct page, except for atomics and * immutables. * @@ -711,24 +703,19 @@ struct cl_page { atomic_t cp_ref; /** An object this page is a part of. Immutable after creation. */ struct cl_object *cp_obj; - /** List of slices. Immutable after creation. */ - struct list_head cp_layers; /** vmpage */ struct page *cp_vmpage; + /** Linkage of pages within group. Pages must be owned */ + struct list_head cp_batch; + /** List of slices. Immutable after creation. */ + struct list_head cp_layers; + /** Linkage of pages within cl_req. */ + struct list_head cp_flight; /** * Page state. This field is const to avoid accidental update, it is * modified only internally within cl_page.c. Protected by a VM lock. */ const enum cl_page_state cp_state; - /** Linkage of pages within group. Protected by cl_page::cp_mutex. */ - struct list_head cp_batch; - /** Mutex serializing membership of a page in a batch. */ - struct mutex cp_mutex; - /** Linkage of pages within cl_req. */ - struct list_head cp_flight; - /** Transfer error. */ - int cp_error; - /** * Page type. Only CPT_TRANSIENT is used so far. Immutable after * creation. @@ -741,10 +728,6 @@ struct cl_page { */ struct cl_io *cp_owner; /** - * Debug information, the task is owning the page. - */ - struct task_struct *cp_task; - /** * Owning IO request in cl_page_state::CPS_PAGEOUT and * cl_page_state::CPS_PAGEIN states. This field is maintained only in * the top-level pages. Protected by a VM lock. @@ -756,8 +739,6 @@ struct cl_page { struct lu_ref_link cp_obj_ref; /** Link to a queue, for debugging. */ struct lu_ref_link cp_queue_ref; - /** Per-page flags from enum cl_page_flags. Protected by a VM lock. */ - unsigned cp_flags; /** Assigned if doing a sync_io */ struct cl_sync_io *cp_sync_io; }; @@ -1056,23 +1037,32 @@ do { \ } \ } while (0) -static inline int __page_in_use(const struct cl_page *page, int refc) -{ - if (page->cp_type == CPT_CACHEABLE) - ++refc; - LASSERT(atomic_read(&page->cp_ref) > 0); - return (atomic_read(&page->cp_ref) > refc); -} - -#define cl_page_in_use(pg) __page_in_use(pg, 1) -#define cl_page_in_use_noref(pg) __page_in_use(pg, 0) - static inline struct page *cl_page_vmpage(struct cl_page *page) { LASSERT(page->cp_vmpage); return page->cp_vmpage; } +/** + * Check if a cl_page is in use. + * + * Client cache holds a refcount, this refcount will be dropped when + * the page is taken out of cache, see vvp_page_delete(). + */ +static inline bool __page_in_use(const struct cl_page *page, int refc) +{ + return (atomic_read(&page->cp_ref) > refc + 1); +} + +/** + * Caller itself holds a refcount of cl_page. + */ +#define cl_page_in_use(pg) __page_in_use(pg, 1) +/** + * Caller doesn't hold a refcount. + */ +#define cl_page_in_use_noref(pg) __page_in_use(pg, 0) + /** @} cl_page */ /** \addtogroup cl_lock cl_lock @@ -2197,6 +2187,7 @@ static inline void cl_object_page_init(struct cl_object *clob, int size) { clob->co_slice_off = cl_object_header(clob)->coh_page_bufsize; cl_object_header(clob)->coh_page_bufsize += cfs_size_round(size); + WARN_ON(cl_object_header(clob)->coh_page_bufsize > 512); } static inline void *cl_object_page_slice(struct cl_object *clob, @@ -2347,6 +2338,10 @@ struct cl_client_cache { */ spinlock_t ccc_lru_lock; /** + * Set if unstable check is enabled + */ + unsigned int ccc_unstable_check:1; + /** * # of unstable pages for this mount point */ atomic_t ccc_unstable_nr; @@ -2354,7 +2349,7 @@ struct cl_client_cache { * Waitq for awaiting unstable pages to reach zero. * Used at umounting time and signaled on BRW commit */ - wait_queue_head_t ccc_unstable_waitq; + wait_queue_head_t ccc_unstable_waitq; }; diff --git a/drivers/staging/lustre/lustre/include/lprocfs_status.h b/drivers/staging/lustre/lustre/include/lprocfs_status.h index d68e60e7fef7..ff35e6302d05 100644 --- a/drivers/staging/lustre/lustre/include/lprocfs_status.h +++ b/drivers/staging/lustre/lustre/include/lprocfs_status.h @@ -681,6 +681,12 @@ static struct lustre_attr lustre_attr_##name = __ATTR(name, mode, show, store) extern const struct sysfs_ops lustre_sysfs_ops; +struct root_squash_info; +int lprocfs_wr_root_squash(const char *buffer, unsigned long count, + struct root_squash_info *squash, char *name); +int lprocfs_wr_nosquash_nids(const char *buffer, unsigned long count, + struct root_squash_info *squash, char *name); + /* all quota proc functions */ int lprocfs_quota_rd_bunit(char *page, char **start, loff_t off, int count, diff --git a/drivers/staging/lustre/lustre/include/lu_object.h b/drivers/staging/lustre/lustre/include/lu_object.h index 6e25c1bb6aa3..502bc41658c6 100644 --- a/drivers/staging/lustre/lustre/include/lu_object.h +++ b/drivers/staging/lustre/lustre/include/lu_object.h @@ -327,7 +327,7 @@ struct lu_device_type { /** * Number of existing device type instances. */ - unsigned ldt_device_nr; + atomic_t ldt_device_nr; /** * Linkage into a global list of all device types. * @@ -673,7 +673,6 @@ void lu_object_add(struct lu_object *before, struct lu_object *o); int lu_device_type_init(struct lu_device_type *ldt); void lu_device_type_fini(struct lu_device_type *ldt); -void lu_types_stop(void); /** @} ctors */ @@ -1025,7 +1024,8 @@ enum lu_context_tag { /** * Contexts usable in cache shrinker thread. */ - LCT_SHRINKER = LCT_MD_THREAD|LCT_DT_THREAD|LCT_CL_THREAD|LCT_NOREF + LCT_SHRINKER = LCT_MD_THREAD | LCT_DT_THREAD | LCT_CL_THREAD | + LCT_NOREF }; /** @@ -1264,6 +1264,22 @@ struct lu_name { }; /** + * Validate names (path components) + * + * To be valid \a name must be non-empty, '\0' terminated of length \a + * name_len, and not contain '/'. The maximum length of a name (before + * say -ENAMETOOLONG will be returned) is really controlled by llite + * and the server. We only check for something insane coming from bad + * integer handling here. + */ +static inline bool lu_name_is_valid_2(const char *name, size_t name_len) +{ + return name && name_len > 0 && name_len < INT_MAX && + name[name_len] == '\0' && strlen(name) == name_len && + !memchr(name, '/', name_len); +} + +/** * Common buffer structure to be passed around for various xattr_{s,g}et() * methods. */ diff --git a/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h b/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h index 051864c23b5b..3a0feac5b602 100644 --- a/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h +++ b/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h @@ -93,6 +93,7 @@ /* Defn's shared with user-space. */ #include "lustre_user.h" #include "lustre_errno.h" +#include "../lustre_ver.h" /* * GENERAL STUFF @@ -196,12 +197,12 @@ static inline unsigned fld_range_type(const struct lu_seq_range *range) return range->lsr_flags & LU_SEQ_RANGE_MASK; } -static inline int fld_range_is_ost(const struct lu_seq_range *range) +static inline bool fld_range_is_ost(const struct lu_seq_range *range) { return fld_range_type(range) == LU_SEQ_RANGE_OST; } -static inline int fld_range_is_mdt(const struct lu_seq_range *range) +static inline bool fld_range_is_mdt(const struct lu_seq_range *range) { return fld_range_type(range) == LU_SEQ_RANGE_MDT; } @@ -260,23 +261,23 @@ static inline void range_init(struct lu_seq_range *range) * check if given seq id \a s is within given range \a r */ -static inline int range_within(const struct lu_seq_range *range, - __u64 s) +static inline bool range_within(const struct lu_seq_range *range, + __u64 s) { return s >= range->lsr_start && s < range->lsr_end; } -static inline int range_is_sane(const struct lu_seq_range *range) +static inline bool range_is_sane(const struct lu_seq_range *range) { return (range->lsr_end >= range->lsr_start); } -static inline int range_is_zero(const struct lu_seq_range *range) +static inline bool range_is_zero(const struct lu_seq_range *range) { return (range->lsr_start == 0 && range->lsr_end == 0); } -static inline int range_is_exhausted(const struct lu_seq_range *range) +static inline bool range_is_exhausted(const struct lu_seq_range *range) { return range_space(range) == 0; @@ -437,69 +438,69 @@ enum dot_lustre_oid { FID_OID_DOT_LUSTRE_OBF = 2UL, }; -static inline int fid_seq_is_mdt0(__u64 seq) +static inline bool fid_seq_is_mdt0(__u64 seq) { return (seq == FID_SEQ_OST_MDT0); } -static inline int fid_seq_is_mdt(const __u64 seq) +static inline bool fid_seq_is_mdt(__u64 seq) { return seq == FID_SEQ_OST_MDT0 || seq >= FID_SEQ_NORMAL; }; -static inline int fid_seq_is_echo(__u64 seq) +static inline bool fid_seq_is_echo(__u64 seq) { return (seq == FID_SEQ_ECHO); } -static inline int fid_is_echo(const struct lu_fid *fid) +static inline bool fid_is_echo(const struct lu_fid *fid) { return fid_seq_is_echo(fid_seq(fid)); } -static inline int fid_seq_is_llog(__u64 seq) +static inline bool fid_seq_is_llog(__u64 seq) { return (seq == FID_SEQ_LLOG); } -static inline int fid_is_llog(const struct lu_fid *fid) +static inline bool fid_is_llog(const struct lu_fid *fid) { /* file with OID == 0 is not llog but contains last oid */ return fid_seq_is_llog(fid_seq(fid)) && fid_oid(fid) > 0; } -static inline int fid_seq_is_rsvd(const __u64 seq) +static inline bool fid_seq_is_rsvd(__u64 seq) { return (seq > FID_SEQ_OST_MDT0 && seq <= FID_SEQ_RSVD); }; -static inline int fid_seq_is_special(const __u64 seq) +static inline bool fid_seq_is_special(__u64 seq) { return seq == FID_SEQ_SPECIAL; }; -static inline int fid_seq_is_local_file(const __u64 seq) +static inline bool fid_seq_is_local_file(__u64 seq) { return seq == FID_SEQ_LOCAL_FILE || seq == FID_SEQ_LOCAL_NAME; }; -static inline int fid_seq_is_root(const __u64 seq) +static inline bool fid_seq_is_root(__u64 seq) { return seq == FID_SEQ_ROOT; } -static inline int fid_seq_is_dot(const __u64 seq) +static inline bool fid_seq_is_dot(__u64 seq) { return seq == FID_SEQ_DOT_LUSTRE; } -static inline int fid_seq_is_default(const __u64 seq) +static inline bool fid_seq_is_default(__u64 seq) { return seq == FID_SEQ_LOV_DEFAULT; } -static inline int fid_is_mdt0(const struct lu_fid *fid) +static inline bool fid_is_mdt0(const struct lu_fid *fid) { return fid_seq_is_mdt0(fid_seq(fid)); } @@ -516,12 +517,12 @@ static inline void lu_root_fid(struct lu_fid *fid) * \param fid the fid to be tested. * \return true if the fid is a igif; otherwise false. */ -static inline int fid_seq_is_igif(const __u64 seq) +static inline bool fid_seq_is_igif(__u64 seq) { return seq >= FID_SEQ_IGIF && seq <= FID_SEQ_IGIF_MAX; } -static inline int fid_is_igif(const struct lu_fid *fid) +static inline bool fid_is_igif(const struct lu_fid *fid) { return fid_seq_is_igif(fid_seq(fid)); } @@ -531,27 +532,27 @@ static inline int fid_is_igif(const struct lu_fid *fid) * \param fid the fid to be tested. * \return true if the fid is a idif; otherwise false. */ -static inline int fid_seq_is_idif(const __u64 seq) +static inline bool fid_seq_is_idif(__u64 seq) { return seq >= FID_SEQ_IDIF && seq <= FID_SEQ_IDIF_MAX; } -static inline int fid_is_idif(const struct lu_fid *fid) +static inline bool fid_is_idif(const struct lu_fid *fid) { return fid_seq_is_idif(fid_seq(fid)); } -static inline int fid_is_local_file(const struct lu_fid *fid) +static inline bool fid_is_local_file(const struct lu_fid *fid) { return fid_seq_is_local_file(fid_seq(fid)); } -static inline int fid_seq_is_norm(const __u64 seq) +static inline bool fid_seq_is_norm(__u64 seq) { return (seq >= FID_SEQ_NORMAL); } -static inline int fid_is_norm(const struct lu_fid *fid) +static inline bool fid_is_norm(const struct lu_fid *fid) { return fid_seq_is_norm(fid_seq(fid)); } @@ -658,7 +659,7 @@ static inline void ostid_set_id(struct ost_id *oi, __u64 oid) oi->oi_fid.f_oid = oid; oi->oi_fid.f_ver = oid >> 48; } else { - if (oid > OBIF_MAX_OID) { + if (oid >= OBIF_MAX_OID) { CERROR("Bad %llu to set " DOSTID "\n", oid, POSTID(oi)); return; } @@ -683,7 +684,7 @@ static inline int fid_set_id(struct lu_fid *fid, __u64 oid) fid->f_oid = oid; fid->f_ver = oid >> 48; } else { - if (oid > OBIF_MAX_OID) { + if (oid >= OBIF_MAX_OID) { CERROR("Too large OID %#llx to set REG "DFID"\n", (unsigned long long)oid, PFID(fid)); return -EBADF; @@ -769,7 +770,7 @@ static inline int fid_to_ostid(const struct lu_fid *fid, struct ost_id *ostid) } /* Check whether the fid is for LAST_ID */ -static inline int fid_is_last_id(const struct lu_fid *fid) +static inline bool fid_is_last_id(const struct lu_fid *fid) { return (fid_oid(fid) == 0); } @@ -838,7 +839,7 @@ static inline void fid_be_to_cpu(struct lu_fid *dst, const struct lu_fid *src) dst->f_ver = be32_to_cpu(fid_ver(src)); } -static inline int fid_is_sane(const struct lu_fid *fid) +static inline bool fid_is_sane(const struct lu_fid *fid) { return fid && ((fid_seq(fid) >= FID_SEQ_START && fid_ver(fid) == 0) || @@ -846,15 +847,10 @@ static inline int fid_is_sane(const struct lu_fid *fid) fid_seq_is_rsvd(fid_seq(fid))); } -static inline int fid_is_zero(const struct lu_fid *fid) -{ - return fid_seq(fid) == 0 && fid_oid(fid) == 0; -} - void lustre_swab_lu_fid(struct lu_fid *fid); void lustre_swab_lu_seq_range(struct lu_seq_range *range); -static inline int lu_fid_eq(const struct lu_fid *f0, const struct lu_fid *f1) +static inline bool lu_fid_eq(const struct lu_fid *f0, const struct lu_fid *f1) { return memcmp(f0, f1, sizeof(*f0)) == 0; } @@ -1033,7 +1029,7 @@ static inline int lu_dirent_calc_size(int namelen, __u16 attr) return (size + 7) & ~7; } -static inline int lu_dirent_size(struct lu_dirent *ent) +static inline int lu_dirent_size(const struct lu_dirent *ent) { if (le16_to_cpu(ent->lde_reclen) == 0) { return lu_dirent_calc_size(le16_to_cpu(ent->lde_namelen), @@ -1067,19 +1063,19 @@ struct lustre_handle { #define DEAD_HANDLE_MAGIC 0xdeadbeefcafebabeULL -static inline int lustre_handle_is_used(struct lustre_handle *lh) +static inline bool lustre_handle_is_used(const struct lustre_handle *lh) { return lh->cookie != 0ull; } -static inline int lustre_handle_equal(const struct lustre_handle *lh1, - const struct lustre_handle *lh2) +static inline bool lustre_handle_equal(const struct lustre_handle *lh1, + const struct lustre_handle *lh2) { return lh1->cookie == lh2->cookie; } static inline void lustre_handle_copy(struct lustre_handle *tgt, - struct lustre_handle *src) + const struct lustre_handle *src) { tgt->cookie = src->cookie; } @@ -1293,6 +1289,9 @@ void lustre_swab_ptlrpc_body(struct ptlrpc_body *pb); #define OBD_CONNECT_OPEN_BY_FID 0x20000000000000ULL /* open by fid won't pack * name in request */ +#define OBD_CONNECT_LFSCK 0x40000000000000ULL/* support online LFSCK */ +#define OBD_CONNECT_UNLINK_CLOSE 0x100000000000000ULL/* close file in unlink */ +#define OBD_CONNECT_DIR_STRIPE 0x400000000000000ULL/* striped DNE dir */ /* XXX README XXX: * Please DO NOT add flag values here before first ensuring that this same @@ -1318,14 +1317,6 @@ void lustre_swab_ptlrpc_body(struct ptlrpc_body *pb); #define CLIENT_CONNECT_MDT_REQD (OBD_CONNECT_IBITS | OBD_CONNECT_FID | \ OBD_CONNECT_FULL20) -#define OBD_OCD_VERSION(major, minor, patch, fix) (((major)<<24) + \ - ((minor)<<16) + \ - ((patch)<<8) + (fix)) -#define OBD_OCD_VERSION_MAJOR(version) ((int)((version)>>24)&255) -#define OBD_OCD_VERSION_MINOR(version) ((int)((version)>>16)&255) -#define OBD_OCD_VERSION_PATCH(version) ((int)((version)>>8)&255) -#define OBD_OCD_VERSION_FIX(version) ((int)(version)&255) - /* This structure is used for both request and reply. * * If we eventually have separate connect data for different types, which we @@ -1478,10 +1469,21 @@ enum obdo_flags { OBD_FL_LOCAL_MASK = 0xF0000000, }; -#define LOV_MAGIC_V1 0x0BD10BD0 -#define LOV_MAGIC LOV_MAGIC_V1 -#define LOV_MAGIC_JOIN_V1 0x0BD20BD0 -#define LOV_MAGIC_V3 0x0BD30BD0 +/* + * All LOV EA magics should have the same postfix, if some new version + * Lustre instroduces new LOV EA magic, then when down-grade to an old + * Lustre, even though the old version system does not recognizes such + * new magic, it still can distinguish the corrupted cases by checking + * the magic's postfix. + */ +#define LOV_MAGIC_MAGIC 0x0BD0 +#define LOV_MAGIC_MASK 0xFFFF + +#define LOV_MAGIC_V1 (0x0BD10000 | LOV_MAGIC_MAGIC) +#define LOV_MAGIC_JOIN_V1 (0x0BD20000 | LOV_MAGIC_MAGIC) +#define LOV_MAGIC_V3 (0x0BD30000 | LOV_MAGIC_MAGIC) +#define LOV_MAGIC_MIGRATE (0x0BD40000 | LOV_MAGIC_MAGIC) +#define LOV_MAGIC LOV_MAGIC_V1 /* * magic for fully defined striping @@ -1498,14 +1500,6 @@ enum obdo_flags { #define LOV_MAGIC_V1_DEF 0x0CD10BD0 #define LOV_MAGIC_V3_DEF 0x0CD30BD0 -#define LOV_PATTERN_RAID0 0x001 /* stripes are used round-robin */ -#define LOV_PATTERN_RAID1 0x002 /* stripes are mirrors of each other */ -#define LOV_PATTERN_FIRST 0x100 /* first stripe is not in round-robin */ -#define LOV_PATTERN_CMOBD 0x200 - -#define LOV_PATTERN_F_MASK 0xffff0000 -#define LOV_PATTERN_F_RELEASED 0x80000000 /* HSM released file */ - #define lov_pattern(pattern) (pattern & ~LOV_PATTERN_F_MASK) #define lov_pattern_flags(pattern) (pattern & LOV_PATTERN_F_MASK) @@ -1569,25 +1563,25 @@ static inline void lmm_oi_set_id(struct ost_id *oi, __u64 oid) oi->oi.oi_id = oid; } -static inline __u64 lmm_oi_id(struct ost_id *oi) +static inline __u64 lmm_oi_id(const struct ost_id *oi) { return oi->oi.oi_id; } -static inline __u64 lmm_oi_seq(struct ost_id *oi) +static inline __u64 lmm_oi_seq(const struct ost_id *oi) { return oi->oi.oi_seq; } static inline void lmm_oi_le_to_cpu(struct ost_id *dst_oi, - struct ost_id *src_oi) + const struct ost_id *src_oi) { dst_oi->oi.oi_id = le64_to_cpu(src_oi->oi.oi_id); dst_oi->oi.oi_seq = le64_to_cpu(src_oi->oi.oi_seq); } static inline void lmm_oi_cpu_to_le(struct ost_id *dst_oi, - struct ost_id *src_oi) + const struct ost_id *src_oi) { dst_oi->oi.oi_id = cpu_to_le64(src_oi->oi.oi_id); dst_oi->oi.oi_seq = cpu_to_le64(src_oi->oi.oi_seq); @@ -1610,6 +1604,7 @@ static inline void lmm_oi_cpu_to_le(struct ost_id *dst_oi, #define XATTR_NAME_LOV "trusted.lov" #define XATTR_NAME_LMA "trusted.lma" #define XATTR_NAME_LMV "trusted.lmv" +#define XATTR_NAME_DEFAULT_LMV "trusted.dmv" #define XATTR_NAME_LINK "trusted.link" #define XATTR_NAME_FID "trusted.fid" #define XATTR_NAME_VERSION "trusted.version" @@ -1727,6 +1722,8 @@ lov_mds_md_max_stripe_count(size_t buf_size, __u32 lmm_magic) #define OBD_MD_FLDATAVERSION (0x0010000000000000ULL) /* iversion sum */ #define OBD_MD_FLRELEASED (0x0020000000000000ULL) /* file released */ +#define OBD_MD_DEFAULT_MEA (0x0040000000000000ULL) /* default MEA */ + #define OBD_MD_FLGETATTR (OBD_MD_FLID | OBD_MD_FLATIME | OBD_MD_FLMTIME | \ OBD_MD_FLCTIME | OBD_MD_FLSIZE | OBD_MD_FLBLKSZ | \ OBD_MD_FLMODE | OBD_MD_FLTYPE | OBD_MD_FLUID | \ @@ -1782,7 +1779,7 @@ void lustre_swab_obd_statfs(struct obd_statfs *os); * it to sync quickly */ -#define OBD_OBJECT_EOF 0xffffffffffffffffULL +#define OBD_OBJECT_EOF LUSTRE_EOF #define OST_MIN_PRECREATE 32 #define OST_MAX_PRECREATE 20000 @@ -1878,12 +1875,6 @@ struct obd_quotactl { void lustre_swab_obd_quotactl(struct obd_quotactl *q); -#define Q_QUOTACHECK 0x800100 /* deprecated as of 2.4 */ -#define Q_INITQUOTA 0x800101 /* deprecated as of 2.4 */ -#define Q_GETOINFO 0x800102 /* get obd quota info */ -#define Q_GETOQUOTA 0x800103 /* get obd quotas */ -#define Q_FINVALIDATE 0x800104 /* deprecated as of 2.4 */ - #define Q_COPY(out, in, member) (out)->member = (in)->member #define QCTL_COPY(out, in) \ @@ -1946,8 +1937,8 @@ enum mds_cmd { MDS_DISCONNECT = 39, MDS_GETSTATUS = 40, MDS_STATFS = 41, - MDS_PIN = 42, - MDS_UNPIN = 43, + MDS_PIN = 42, /* obsolete, never used in a release */ + MDS_UNPIN = 43, /* obsolete, never used in a release */ MDS_SYNC = 44, MDS_DONE_WRITING = 45, MDS_SET_INFO = 46, @@ -1956,7 +1947,7 @@ enum mds_cmd { MDS_GETXATTR = 49, MDS_SETXATTR = 50, /* obsolete, now it's MDS_REINT op */ MDS_WRITEPAGE = 51, - MDS_IS_SUBDIR = 52, + MDS_IS_SUBDIR = 52, /* obsolete, never used in a release */ MDS_GET_INFO = 53, MDS_HSM_STATE_GET = 54, MDS_HSM_STATE_SET = 55, @@ -1984,7 +1975,7 @@ enum mdt_reint_cmd { REINT_OPEN = 6, REINT_SETXATTR = 7, REINT_RMENTRY = 8, -/* REINT_WRITE = 9, */ + REINT_MIGRATE = 9, REINT_MAX }; @@ -2028,7 +2019,7 @@ void lustre_swab_generic_32s(__u32 *val); #define MDS_INODELOCK_MAXSHIFT 5 /* This FULL lock is useful to take on unlink sort of operations */ -#define MDS_INODELOCK_FULL ((1<<(MDS_INODELOCK_MAXSHIFT+1))-1) +#define MDS_INODELOCK_FULL ((1 << (MDS_INODELOCK_MAXSHIFT + 1)) - 1) /* NOTE: until Lustre 1.8.7/2.1.1 the fid_ver() was packed into name[2], * but was moved into name[1] along with the OID to avoid consuming the @@ -2108,43 +2099,43 @@ enum md_transient_state { }; struct mdt_body { - struct lu_fid fid1; - struct lu_fid fid2; - struct lustre_handle handle; - __u64 valid; - __u64 size; /* Offset, in the case of MDS_READPAGE */ - __s64 mtime; - __s64 atime; - __s64 ctime; - __u64 blocks; /* XID, in the case of MDS_READPAGE */ - __u64 ioepoch; - __u64 t_state; /* transient file state defined in - * enum md_transient_state - * was "ino" until 2.4.0 - */ - __u32 fsuid; - __u32 fsgid; - __u32 capability; - __u32 mode; - __u32 uid; - __u32 gid; - __u32 flags; /* from vfs for pin/unpin, LUSTRE_BFLAG close */ - __u32 rdev; - __u32 nlink; /* #bytes to read in the case of MDS_READPAGE */ - __u32 unused2; /* was "generation" until 2.4.0 */ - __u32 suppgid; - __u32 eadatasize; - __u32 aclsize; - __u32 max_mdsize; - __u32 max_cookiesize; - __u32 uid_h; /* high 32-bits of uid, for FUID */ - __u32 gid_h; /* high 32-bits of gid, for FUID */ - __u32 padding_5; /* also fix lustre_swab_mdt_body */ - __u64 padding_6; - __u64 padding_7; - __u64 padding_8; - __u64 padding_9; - __u64 padding_10; + struct lu_fid mbo_fid1; + struct lu_fid mbo_fid2; + struct lustre_handle mbo_handle; + __u64 mbo_valid; + __u64 mbo_size; /* Offset, in the case of MDS_READPAGE */ + __s64 mbo_mtime; + __s64 mbo_atime; + __s64 mbo_ctime; + __u64 mbo_blocks; /* XID, in the case of MDS_READPAGE */ + __u64 mbo_ioepoch; + __u64 mbo_t_state; /* transient file state defined in + * enum md_transient_state + * was "ino" until 2.4.0 + */ + __u32 mbo_fsuid; + __u32 mbo_fsgid; + __u32 mbo_capability; + __u32 mbo_mode; + __u32 mbo_uid; + __u32 mbo_gid; + __u32 mbo_flags; + __u32 mbo_rdev; + __u32 mbo_nlink; /* #bytes to read in the case of MDS_READPAGE */ + __u32 mbo_unused2; /* was "generation" until 2.4.0 */ + __u32 mbo_suppgid; + __u32 mbo_eadatasize; + __u32 mbo_aclsize; + __u32 mbo_max_mdsize; + __u32 mbo_max_cookiesize; + __u32 mbo_uid_h; /* high 32-bits of uid, for FUID */ + __u32 mbo_gid_h; /* high 32-bits of gid, for FUID */ + __u32 mbo_padding_5; /* also fix lustre_swab_mdt_body */ + __u64 mbo_padding_6; + __u64 mbo_padding_7; + __u64 mbo_padding_8; + __u64 mbo_padding_9; + __u64 mbo_padding_10; }; /* 216 */ void lustre_swab_mdt_body(struct mdt_body *b); @@ -2263,6 +2254,11 @@ void lustre_swab_mdt_rec_setattr(struct mdt_rec_setattr *sa); */ #define MDS_OPEN_RELEASE 02000000000000ULL /* Open the file for HSM release */ +#define MDS_OPEN_FL_INTERNAL (MDS_OPEN_HAS_EA | MDS_OPEN_HAS_OBJS | \ + MDS_OPEN_OWNEROVERRIDE | MDS_OPEN_LOCK | \ + MDS_OPEN_BY_FID | MDS_OPEN_LEASE | \ + MDS_OPEN_RELEASE) + enum mds_op_bias { MDS_CHECK_SPLIT = 1 << 0, MDS_CROSS_REF = 1 << 1, @@ -2277,6 +2273,7 @@ enum mds_op_bias { MDS_CREATE_VOLATILE = 1 << 10, MDS_OWNEROVERRIDE = 1 << 11, MDS_HSM_RELEASE = 1 << 12, + MDS_RENAME_MIGRATE = BIT(13), }; /* instance of mdt_reint_rec */ @@ -2472,7 +2469,7 @@ struct lmv_desc { __u32 ld_tgt_count; /* how many MDS's */ __u32 ld_active_tgt_count; /* how many active */ __u32 ld_default_stripe_count; /* how many objects are used */ - __u32 ld_pattern; /* default MEA_MAGIC_* */ + __u32 ld_pattern; /* default hash pattern */ __u64 ld_default_hash_size; __u64 ld_padding_1; /* also fix lustre_swab_lmv_desc */ __u32 ld_padding_2; /* also fix lustre_swab_lmv_desc */ @@ -2482,23 +2479,129 @@ struct lmv_desc { struct obd_uuid ld_uuid; }; -/* TODO: lmv_stripe_md should contain mds capabilities for all slave fids */ -struct lmv_stripe_md { - __u32 mea_magic; - __u32 mea_count; - __u32 mea_master; - __u32 mea_padding; - char mea_pool_name[LOV_MAXPOOLNAME]; - struct lu_fid mea_ids[0]; +/* LMV layout EA, and it will be stored both in master and slave object */ +struct lmv_mds_md_v1 { + __u32 lmv_magic; + __u32 lmv_stripe_count; + __u32 lmv_master_mdt_index; /* On master object, it is master + * MDT index, on slave object, it + * is stripe index of the slave obj + */ + __u32 lmv_hash_type; /* dir stripe policy, i.e. indicate + * which hash function to be used, + * Note: only lower 16 bits is being + * used for now. Higher 16 bits will + * be used to mark the object status, + * for example migrating or dead. + */ + __u32 lmv_layout_version; /* Used for directory restriping */ + __u32 lmv_padding1; + __u64 lmv_padding2; + __u64 lmv_padding3; + char lmv_pool_name[LOV_MAXPOOLNAME]; /* pool name */ + struct lu_fid lmv_stripe_fids[0]; /* FIDs for each stripe */ +}; + +#define LMV_MAGIC_V1 0x0CD20CD0 /* normal stripe lmv magic */ +#define LMV_MAGIC LMV_MAGIC_V1 + +/* #define LMV_USER_MAGIC 0x0CD30CD0 */ +#define LMV_MAGIC_STRIPE 0x0CD40CD0 /* magic for dir sub_stripe */ + +/* + *Right now only the lower part(0-16bits) of lmv_hash_type is being used, + * and the higher part will be the flag to indicate the status of object, + * for example the object is being migrated. And the hash function + * might be interpreted differently with different flags. + */ +#define LMV_HASH_TYPE_MASK 0x0000ffff + +#define LMV_HASH_FLAG_MIGRATION 0x80000000 +#define LMV_HASH_FLAG_DEAD 0x40000000 + +/** + * The FNV-1a hash algorithm is as follows: + * hash = FNV_offset_basis + * for each octet_of_data to be hashed + * hash = hash XOR octet_of_data + * hash = hash × FNV_prime + * return hash + * http://en.wikipedia.org/wiki/Fowler–Noll–Vo_hash_function#FNV-1a_hash + * + * http://www.isthe.com/chongo/tech/comp/fnv/index.html#FNV-reference-source + * FNV_prime is 2^40 + 2^8 + 0xb3 = 0x100000001b3ULL + **/ +#define LUSTRE_FNV_1A_64_PRIME 0x100000001b3ULL +#define LUSTRE_FNV_1A_64_OFFSET_BIAS 0xcbf29ce484222325ULL +static inline __u64 lustre_hash_fnv_1a_64(const void *buf, size_t size) +{ + __u64 hash = LUSTRE_FNV_1A_64_OFFSET_BIAS; + const unsigned char *p = buf; + size_t i; + + for (i = 0; i < size; i++) { + hash ^= p[i]; + hash *= LUSTRE_FNV_1A_64_PRIME; + } + + return hash; +} + +union lmv_mds_md { + __u32 lmv_magic; + struct lmv_mds_md_v1 lmv_md_v1; + struct lmv_user_md lmv_user_md; }; -#define MEA_MAGIC_LAST_CHAR 0xb2221ca1 -#define MEA_MAGIC_ALL_CHARS 0xb222a11c -#define MEA_MAGIC_HASH_SEGMENT 0xb222a11b +void lustre_swab_lmv_mds_md(union lmv_mds_md *lmm); -#define MAX_HASH_SIZE_32 0x7fffffffUL -#define MAX_HASH_SIZE 0x7fffffffffffffffULL -#define MAX_HASH_HIGHEST_BIT 0x1000000000000000ULL +static inline ssize_t lmv_mds_md_size(int stripe_count, unsigned int lmm_magic) +{ + ssize_t len = -EINVAL; + + switch (lmm_magic) { + case LMV_MAGIC_V1: { + struct lmv_mds_md_v1 *lmm1; + + len = sizeof(*lmm1); + len += stripe_count * sizeof(lmm1->lmv_stripe_fids[0]); + break; } + default: + break; + } + return len; +} + +static inline int lmv_mds_md_stripe_count_get(const union lmv_mds_md *lmm) +{ + switch (le32_to_cpu(lmm->lmv_magic)) { + case LMV_MAGIC_V1: + return le32_to_cpu(lmm->lmv_md_v1.lmv_stripe_count); + case LMV_USER_MAGIC: + return le32_to_cpu(lmm->lmv_user_md.lum_stripe_count); + default: + return -EINVAL; + } +} + +static inline int lmv_mds_md_stripe_count_set(union lmv_mds_md *lmm, + unsigned int stripe_count) +{ + int rc = 0; + + switch (le32_to_cpu(lmm->lmv_magic)) { + case LMV_MAGIC_V1: + lmm->lmv_md_v1.lmv_stripe_count = cpu_to_le32(stripe_count); + break; + case LMV_USER_MAGIC: + lmm->lmv_user_md.lum_stripe_count = cpu_to_le32(stripe_count); + break; + default: + rc = -EINVAL; + break; + } + return rc; +} enum fld_rpc_opc { FLD_QUERY = 900, @@ -2582,8 +2685,8 @@ struct ldlm_res_id { #define PLDLMRES(res) (res)->lr_name.name[0], (res)->lr_name.name[1], \ (res)->lr_name.name[2], (res)->lr_name.name[3] -static inline int ldlm_res_eq(const struct ldlm_res_id *res0, - const struct ldlm_res_id *res1) +static inline bool ldlm_res_eq(const struct ldlm_res_id *res0, + const struct ldlm_res_id *res1) { return !memcmp(res0, res1, sizeof(*res0)); } @@ -2622,15 +2725,15 @@ struct ldlm_extent { #define LDLM_GID_ANY ((__u64)-1) -static inline int ldlm_extent_overlap(struct ldlm_extent *ex1, - struct ldlm_extent *ex2) +static inline int ldlm_extent_overlap(const struct ldlm_extent *ex1, + const struct ldlm_extent *ex2) { return (ex1->start <= ex2->end) && (ex2->start <= ex1->end); } /* check if @ex1 contains @ex2 */ -static inline int ldlm_extent_contain(struct ldlm_extent *ex1, - struct ldlm_extent *ex2) +static inline int ldlm_extent_contain(const struct ldlm_extent *ex1, + const struct ldlm_extent *ex2) { return (ex1->start <= ex2->start) && (ex1->end >= ex2->end); } @@ -2833,7 +2936,29 @@ enum obd_cmd { }; #define OBD_FIRST_OPC OBD_PING -/* catalog of log objects */ +/** + * llog contexts indices. + * + * There is compatibility problem with indexes below, they are not + * continuous and must keep their numbers for compatibility needs. + * See LU-5218 for details. + */ +enum llog_ctxt_id { + LLOG_CONFIG_ORIG_CTXT = 0, + LLOG_CONFIG_REPL_CTXT = 1, + LLOG_MDS_OST_ORIG_CTXT = 2, + LLOG_MDS_OST_REPL_CTXT = 3, /* kept just to avoid re-assignment */ + LLOG_SIZE_ORIG_CTXT = 4, + LLOG_SIZE_REPL_CTXT = 5, + LLOG_TEST_ORIG_CTXT = 8, + LLOG_TEST_REPL_CTXT = 9, /* kept just to avoid re-assignment */ + LLOG_CHANGELOG_ORIG_CTXT = 12, /**< changelog generation on mdd */ + LLOG_CHANGELOG_REPL_CTXT = 13, /**< changelog access on clients */ + /* for multiple changelog consumers */ + LLOG_CHANGELOG_USER_ORIG_CTXT = 14, + LLOG_AGENT_ORIG_CTXT = 15, /**< agent requests generation on cdt */ + LLOG_MAX_CTXTS +}; /** Identifier for a single log object */ struct llog_logid { @@ -2939,7 +3064,7 @@ struct llog_setattr64_rec { __u32 lsr_uid_h; __u32 lsr_gid; __u32 lsr_gid_h; - __u64 lsr_padding; + __u64 lsr_valid; struct llog_rec_tail lsr_tail; } __packed; @@ -2990,7 +3115,7 @@ enum agent_req_status { ARS_SUCCEED, }; -static inline char *agent_req_status2name(enum agent_req_status ars) +static inline const char *agent_req_status2name(const enum agent_req_status ars) { switch (ars) { case ARS_WAITING: @@ -3068,8 +3193,8 @@ struct llog_log_hdr { __u32 llh_cat_idx; /* for a catalog the first plain slot is next to it */ struct obd_uuid llh_tgtuuid; - __u32 llh_reserved[LLOG_HEADER_SIZE/sizeof(__u32) - 23]; - __u32 llh_bitmap[LLOG_BITMAP_BYTES/sizeof(__u32)]; + __u32 llh_reserved[LLOG_HEADER_SIZE / sizeof(__u32) - 23]; + __u32 llh_bitmap[LLOG_BITMAP_BYTES / sizeof(__u32)]; struct llog_rec_tail llh_tail; } __packed; @@ -3166,7 +3291,7 @@ struct obdo { #define o_cksum o_nlink #define o_grant_used o_data_version -static inline void lustre_set_wire_obdo(struct obd_connect_data *ocd, +static inline void lustre_set_wire_obdo(const struct obd_connect_data *ocd, struct obdo *wobdo, const struct obdo *lobdo) { @@ -3185,7 +3310,7 @@ static inline void lustre_set_wire_obdo(struct obd_connect_data *ocd, } } -static inline void lustre_get_wire_obdo(struct obd_connect_data *ocd, +static inline void lustre_get_wire_obdo(const struct obd_connect_data *ocd, struct obdo *lobdo, const struct obdo *wobdo) { @@ -3284,17 +3409,17 @@ void lustre_swab_lustre_capa(struct lustre_capa *c); /** lustre_capa::lc_opc */ enum { - CAPA_OPC_BODY_WRITE = 1<<0, /**< write object data */ - CAPA_OPC_BODY_READ = 1<<1, /**< read object data */ - CAPA_OPC_INDEX_LOOKUP = 1<<2, /**< lookup object fid */ - CAPA_OPC_INDEX_INSERT = 1<<3, /**< insert object fid */ - CAPA_OPC_INDEX_DELETE = 1<<4, /**< delete object fid */ - CAPA_OPC_OSS_WRITE = 1<<5, /**< write oss object data */ - CAPA_OPC_OSS_READ = 1<<6, /**< read oss object data */ - CAPA_OPC_OSS_TRUNC = 1<<7, /**< truncate oss object */ - CAPA_OPC_OSS_DESTROY = 1<<8, /**< destroy oss object */ - CAPA_OPC_META_WRITE = 1<<9, /**< write object meta data */ - CAPA_OPC_META_READ = 1<<10, /**< read object meta data */ + CAPA_OPC_BODY_WRITE = 1 << 0, /**< write object data */ + CAPA_OPC_BODY_READ = 1 << 1, /**< read object data */ + CAPA_OPC_INDEX_LOOKUP = 1 << 2, /**< lookup object fid */ + CAPA_OPC_INDEX_INSERT = 1 << 3, /**< insert object fid */ + CAPA_OPC_INDEX_DELETE = 1 << 4, /**< delete object fid */ + CAPA_OPC_OSS_WRITE = 1 << 5, /**< write oss object data */ + CAPA_OPC_OSS_READ = 1 << 6, /**< read oss object data */ + CAPA_OPC_OSS_TRUNC = 1 << 7, /**< truncate oss object */ + CAPA_OPC_OSS_DESTROY = 1 << 8, /**< destroy oss object */ + CAPA_OPC_META_WRITE = 1 << 9, /**< write object meta data */ + CAPA_OPC_META_READ = 1 << 10, /**< read object meta data */ }; #define CAPA_OPC_OSS_RW (CAPA_OPC_OSS_READ | CAPA_OPC_OSS_WRITE) diff --git a/drivers/staging/lustre/lustre/include/lustre/lustre_ioctl.h b/drivers/staging/lustre/lustre/include/lustre/lustre_ioctl.h new file mode 100644 index 000000000000..f3d7c94c3b50 --- /dev/null +++ b/drivers/staging/lustre/lustre/include/lustre/lustre_ioctl.h @@ -0,0 +1,412 @@ +/* + * GPL HEADER START + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 only, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License version 2 for more details (a copy is included + * in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU General Public License + * version 2 along with this program; If not, see + * http://www.gnu.org/licenses/gpl-2.0.html + * + * GPL HEADER END + */ +/* + * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. + * Use is subject to license terms. + * + * Copyright (c) 2011, 2015, Intel Corporation. + */ +#ifndef LUSTRE_IOCTL_H_ +#define LUSTRE_IOCTL_H_ + +#include <linux/types.h> +#include "../../../include/linux/libcfs/libcfs.h" +#include "lustre_idl.h" + +#ifdef __KERNEL__ +# include <linux/ioctl.h> +# include <linux/string.h> +# include "../obd_support.h" +#else /* __KERNEL__ */ +# include <malloc.h> +# include <string.h> +#include <libcfs/util/ioctl.h> +#endif /* !__KERNEL__ */ + +#if !defined(__KERNEL__) && !defined(LUSTRE_UTILS) +# error This file is for Lustre internal use only. +#endif + +enum md_echo_cmd { + ECHO_MD_CREATE = 1, /* Open/Create file on MDT */ + ECHO_MD_MKDIR = 2, /* Mkdir on MDT */ + ECHO_MD_DESTROY = 3, /* Unlink file on MDT */ + ECHO_MD_RMDIR = 4, /* Rmdir on MDT */ + ECHO_MD_LOOKUP = 5, /* Lookup on MDT */ + ECHO_MD_GETATTR = 6, /* Getattr on MDT */ + ECHO_MD_SETATTR = 7, /* Setattr on MDT */ + ECHO_MD_ALLOC_FID = 8, /* Get FIDs from MDT */ +}; + +#define OBD_DEV_ID 1 +#define OBD_DEV_NAME "obd" +#define OBD_DEV_PATH "/dev/" OBD_DEV_NAME +#define OBD_DEV_MAJOR 10 +#define OBD_DEV_MINOR 241 + +#define OBD_IOCTL_VERSION 0x00010004 +#define OBD_DEV_BY_DEVNAME 0xffffd0de +#define OBD_MAX_IOCTL_BUFFER CONFIG_LUSTRE_OBD_MAX_IOCTL_BUFFER + +struct obd_ioctl_data { + __u32 ioc_len; + __u32 ioc_version; + + union { + __u64 ioc_cookie; + __u64 ioc_u64_1; + }; + union { + __u32 ioc_conn1; + __u32 ioc_u32_1; + }; + union { + __u32 ioc_conn2; + __u32 ioc_u32_2; + }; + + struct obdo ioc_obdo1; + struct obdo ioc_obdo2; + + __u64 ioc_count; + __u64 ioc_offset; + __u32 ioc_dev; + __u32 ioc_command; + + __u64 ioc_nid; + __u32 ioc_nal; + __u32 ioc_type; + + /* buffers the kernel will treat as user pointers */ + __u32 ioc_plen1; + char __user *ioc_pbuf1; + __u32 ioc_plen2; + char __user *ioc_pbuf2; + + /* inline buffers for various arguments */ + __u32 ioc_inllen1; + char *ioc_inlbuf1; + __u32 ioc_inllen2; + char *ioc_inlbuf2; + __u32 ioc_inllen3; + char *ioc_inlbuf3; + __u32 ioc_inllen4; + char *ioc_inlbuf4; + + char ioc_bulk[0]; +}; + +struct obd_ioctl_hdr { + __u32 ioc_len; + __u32 ioc_version; +}; + +static inline __u32 obd_ioctl_packlen(struct obd_ioctl_data *data) +{ + __u32 len = cfs_size_round(sizeof(*data)); + + len += cfs_size_round(data->ioc_inllen1); + len += cfs_size_round(data->ioc_inllen2); + len += cfs_size_round(data->ioc_inllen3); + len += cfs_size_round(data->ioc_inllen4); + + return len; +} + +static inline int obd_ioctl_is_invalid(struct obd_ioctl_data *data) +{ + if (data->ioc_len > (1 << 30)) { + CERROR("OBD ioctl: ioc_len larger than 1<<30\n"); + return 1; + } + + if (data->ioc_inllen1 > (1 << 30)) { + CERROR("OBD ioctl: ioc_inllen1 larger than 1<<30\n"); + return 1; + } + + if (data->ioc_inllen2 > (1 << 30)) { + CERROR("OBD ioctl: ioc_inllen2 larger than 1<<30\n"); + return 1; + } + + if (data->ioc_inllen3 > (1 << 30)) { + CERROR("OBD ioctl: ioc_inllen3 larger than 1<<30\n"); + return 1; + } + + if (data->ioc_inllen4 > (1 << 30)) { + CERROR("OBD ioctl: ioc_inllen4 larger than 1<<30\n"); + return 1; + } + + if (data->ioc_inlbuf1 && !data->ioc_inllen1) { + CERROR("OBD ioctl: inlbuf1 pointer but 0 length\n"); + return 1; + } + + if (data->ioc_inlbuf2 && !data->ioc_inllen2) { + CERROR("OBD ioctl: inlbuf2 pointer but 0 length\n"); + return 1; + } + + if (data->ioc_inlbuf3 && !data->ioc_inllen3) { + CERROR("OBD ioctl: inlbuf3 pointer but 0 length\n"); + return 1; + } + + if (data->ioc_inlbuf4 && !data->ioc_inllen4) { + CERROR("OBD ioctl: inlbuf4 pointer but 0 length\n"); + return 1; + } + + if (data->ioc_pbuf1 && !data->ioc_plen1) { + CERROR("OBD ioctl: pbuf1 pointer but 0 length\n"); + return 1; + } + + if (data->ioc_pbuf2 && !data->ioc_plen2) { + CERROR("OBD ioctl: pbuf2 pointer but 0 length\n"); + return 1; + } + + if (!data->ioc_pbuf1 && data->ioc_plen1) { + CERROR("OBD ioctl: plen1 set but NULL pointer\n"); + return 1; + } + + if (!data->ioc_pbuf2 && data->ioc_plen2) { + CERROR("OBD ioctl: plen2 set but NULL pointer\n"); + return 1; + } + + if (obd_ioctl_packlen(data) > data->ioc_len) { + CERROR("OBD ioctl: packlen exceeds ioc_len (%d > %d)\n", + obd_ioctl_packlen(data), data->ioc_len); + return 1; + } + + return 0; +} + +#ifdef __KERNEL__ + +int obd_ioctl_getdata(char **buf, int *len, void __user *arg); +int obd_ioctl_popdata(void __user *arg, void *data, int len); + +static inline void obd_ioctl_freedata(char *buf, size_t len) +{ + kvfree(buf); +} + +#else /* __KERNEL__ */ + +static inline int obd_ioctl_pack(struct obd_ioctl_data *data, char **pbuf, + int max_len) +{ + char *ptr; + struct obd_ioctl_data *overlay; + + data->ioc_len = obd_ioctl_packlen(data); + data->ioc_version = OBD_IOCTL_VERSION; + + if (*pbuf && data->ioc_len > max_len) { + fprintf(stderr, "pbuf = %p, ioc_len = %u, max_len = %d\n", + *pbuf, data->ioc_len, max_len); + return -EINVAL; + } + + if (!*pbuf) + *pbuf = malloc(data->ioc_len); + + if (!*pbuf) + return -ENOMEM; + + overlay = (struct obd_ioctl_data *)*pbuf; + memcpy(*pbuf, data, sizeof(*data)); + + ptr = overlay->ioc_bulk; + if (data->ioc_inlbuf1) + LOGL(data->ioc_inlbuf1, data->ioc_inllen1, ptr); + + if (data->ioc_inlbuf2) + LOGL(data->ioc_inlbuf2, data->ioc_inllen2, ptr); + + if (data->ioc_inlbuf3) + LOGL(data->ioc_inlbuf3, data->ioc_inllen3, ptr); + + if (data->ioc_inlbuf4) + LOGL(data->ioc_inlbuf4, data->ioc_inllen4, ptr); + + if (obd_ioctl_is_invalid(overlay)) { + fprintf(stderr, "invalid ioctl data: ioc_len = %u, max_len = %d\n", + data->ioc_len, max_len); + return -EINVAL; + } + + return 0; +} + +static inline int +obd_ioctl_unpack(struct obd_ioctl_data *data, char *pbuf, int max_len) +{ + char *ptr; + struct obd_ioctl_data *overlay; + + if (!pbuf) + return 1; + + overlay = (struct obd_ioctl_data *)pbuf; + + /* Preserve the caller's buffer pointers */ + overlay->ioc_inlbuf1 = data->ioc_inlbuf1; + overlay->ioc_inlbuf2 = data->ioc_inlbuf2; + overlay->ioc_inlbuf3 = data->ioc_inlbuf3; + overlay->ioc_inlbuf4 = data->ioc_inlbuf4; + + memcpy(data, pbuf, sizeof(*data)); + + ptr = overlay->ioc_bulk; + if (data->ioc_inlbuf1) + LOGU(data->ioc_inlbuf1, data->ioc_inllen1, ptr); + + if (data->ioc_inlbuf2) + LOGU(data->ioc_inlbuf2, data->ioc_inllen2, ptr); + + if (data->ioc_inlbuf3) + LOGU(data->ioc_inlbuf3, data->ioc_inllen3, ptr); + + if (data->ioc_inlbuf4) + LOGU(data->ioc_inlbuf4, data->ioc_inllen4, ptr); + + return 0; +} + +#endif /* !__KERNEL__ */ + +/* + * OBD_IOC_DATA_TYPE is only for compatibility reasons with older + * Linux Lustre user tools. New ioctls should NOT use this macro as + * the ioctl "size". Instead the ioctl should get a "size" argument + * which is the actual data type used by the ioctl, to ensure the + * ioctl interface is versioned correctly. + */ +#define OBD_IOC_DATA_TYPE long + +/* IOC_LDLM_TEST _IOWR('f', 40, long) */ +/* IOC_LDLM_DUMP _IOWR('f', 41, long) */ +/* IOC_LDLM_REGRESS_START _IOWR('f', 42, long) */ +/* IOC_LDLM_REGRESS_STOP _IOWR('f', 43, long) */ + +#define OBD_IOC_CREATE _IOWR('f', 101, OBD_IOC_DATA_TYPE) +#define OBD_IOC_DESTROY _IOW('f', 104, OBD_IOC_DATA_TYPE) +/* OBD_IOC_PREALLOCATE _IOWR('f', 105, OBD_IOC_DATA_TYPE) */ + +#define OBD_IOC_SETATTR _IOW('f', 107, OBD_IOC_DATA_TYPE) +#define OBD_IOC_GETATTR _IOWR('f', 108, OBD_IOC_DATA_TYPE) +#define OBD_IOC_READ _IOWR('f', 109, OBD_IOC_DATA_TYPE) +#define OBD_IOC_WRITE _IOWR('f', 110, OBD_IOC_DATA_TYPE) + +#define OBD_IOC_STATFS _IOWR('f', 113, OBD_IOC_DATA_TYPE) +#define OBD_IOC_SYNC _IOW('f', 114, OBD_IOC_DATA_TYPE) +/* OBD_IOC_READ2 _IOWR('f', 115, OBD_IOC_DATA_TYPE) */ +/* OBD_IOC_FORMAT _IOWR('f', 116, OBD_IOC_DATA_TYPE) */ +/* OBD_IOC_PARTITION _IOWR('f', 117, OBD_IOC_DATA_TYPE) */ +/* OBD_IOC_COPY _IOWR('f', 120, OBD_IOC_DATA_TYPE) */ +/* OBD_IOC_MIGR _IOWR('f', 121, OBD_IOC_DATA_TYPE) */ +/* OBD_IOC_PUNCH _IOWR('f', 122, OBD_IOC_DATA_TYPE) */ + +/* OBD_IOC_MODULE_DEBUG _IOWR('f', 124, OBD_IOC_DATA_TYPE) */ +#define OBD_IOC_BRW_READ _IOWR('f', 125, OBD_IOC_DATA_TYPE) +#define OBD_IOC_BRW_WRITE _IOWR('f', 126, OBD_IOC_DATA_TYPE) +#define OBD_IOC_NAME2DEV _IOWR('f', 127, OBD_IOC_DATA_TYPE) +#define OBD_IOC_UUID2DEV _IOWR('f', 130, OBD_IOC_DATA_TYPE) +#define OBD_IOC_GETNAME _IOWR('f', 131, OBD_IOC_DATA_TYPE) +#define OBD_IOC_GETMDNAME _IOR('f', 131, char[MAX_OBD_NAME]) +#define OBD_IOC_GETDTNAME OBD_IOC_GETNAME +#define OBD_IOC_LOV_GET_CONFIG _IOWR('f', 132, OBD_IOC_DATA_TYPE) +#define OBD_IOC_CLIENT_RECOVER _IOW('f', 133, OBD_IOC_DATA_TYPE) +#define OBD_IOC_PING_TARGET _IOW('f', 136, OBD_IOC_DATA_TYPE) + +/* OBD_IOC_DEC_FS_USE_COUNT _IO('f', 139) */ +#define OBD_IOC_NO_TRANSNO _IOW('f', 140, OBD_IOC_DATA_TYPE) +#define OBD_IOC_SET_READONLY _IOW('f', 141, OBD_IOC_DATA_TYPE) +#define OBD_IOC_ABORT_RECOVERY _IOR('f', 142, OBD_IOC_DATA_TYPE) +/* OBD_IOC_ROOT_SQUASH _IOWR('f', 143, OBD_IOC_DATA_TYPE) */ +#define OBD_GET_VERSION _IOWR('f', 144, OBD_IOC_DATA_TYPE) +/* OBD_IOC_GSS_SUPPORT _IOWR('f', 145, OBD_IOC_DATA_TYPE) */ +/* OBD_IOC_CLOSE_UUID _IOWR('f', 147, OBD_IOC_DATA_TYPE) */ +#define OBD_IOC_CHANGELOG_SEND _IOW('f', 148, OBD_IOC_DATA_TYPE) +#define OBD_IOC_GETDEVICE _IOWR('f', 149, OBD_IOC_DATA_TYPE) +#define OBD_IOC_FID2PATH _IOWR('f', 150, OBD_IOC_DATA_TYPE) +/* lustre/lustre_user.h 151-153 */ +/* OBD_IOC_LOV_SETSTRIPE 154 LL_IOC_LOV_SETSTRIPE */ +/* OBD_IOC_LOV_GETSTRIPE 155 LL_IOC_LOV_GETSTRIPE */ +/* OBD_IOC_LOV_SETEA 156 LL_IOC_LOV_SETEA */ +/* lustre/lustre_user.h 157-159 */ +#define OBD_IOC_QUOTACHECK _IOW('f', 160, int) +#define OBD_IOC_POLL_QUOTACHECK _IOR('f', 161, struct if_quotacheck *) +#define OBD_IOC_QUOTACTL _IOWR('f', 162, struct if_quotactl) +/* lustre/lustre_user.h 163-176 */ +#define OBD_IOC_CHANGELOG_REG _IOW('f', 177, struct obd_ioctl_data) +#define OBD_IOC_CHANGELOG_DEREG _IOW('f', 178, struct obd_ioctl_data) +#define OBD_IOC_CHANGELOG_CLEAR _IOW('f', 179, struct obd_ioctl_data) +/* OBD_IOC_RECORD _IOWR('f', 180, OBD_IOC_DATA_TYPE) */ +/* OBD_IOC_ENDRECORD _IOWR('f', 181, OBD_IOC_DATA_TYPE) */ +/* OBD_IOC_PARSE _IOWR('f', 182, OBD_IOC_DATA_TYPE) */ +/* OBD_IOC_DORECORD _IOWR('f', 183, OBD_IOC_DATA_TYPE) */ +#define OBD_IOC_PROCESS_CFG _IOWR('f', 184, OBD_IOC_DATA_TYPE) +/* OBD_IOC_DUMP_LOG _IOWR('f', 185, OBD_IOC_DATA_TYPE) */ +/* OBD_IOC_CLEAR_LOG _IOWR('f', 186, OBD_IOC_DATA_TYPE) */ +#define OBD_IOC_PARAM _IOW('f', 187, OBD_IOC_DATA_TYPE) +#define OBD_IOC_POOL _IOWR('f', 188, OBD_IOC_DATA_TYPE) +#define OBD_IOC_REPLACE_NIDS _IOWR('f', 189, OBD_IOC_DATA_TYPE) + +#define OBD_IOC_CATLOGLIST _IOWR('f', 190, OBD_IOC_DATA_TYPE) +#define OBD_IOC_LLOG_INFO _IOWR('f', 191, OBD_IOC_DATA_TYPE) +#define OBD_IOC_LLOG_PRINT _IOWR('f', 192, OBD_IOC_DATA_TYPE) +#define OBD_IOC_LLOG_CANCEL _IOWR('f', 193, OBD_IOC_DATA_TYPE) +#define OBD_IOC_LLOG_REMOVE _IOWR('f', 194, OBD_IOC_DATA_TYPE) +#define OBD_IOC_LLOG_CHECK _IOWR('f', 195, OBD_IOC_DATA_TYPE) +/* OBD_IOC_LLOG_CATINFO _IOWR('f', 196, OBD_IOC_DATA_TYPE) */ +#define OBD_IOC_NODEMAP _IOWR('f', 197, OBD_IOC_DATA_TYPE) + +/* ECHO_IOC_GET_STRIPE _IOWR('f', 200, OBD_IOC_DATA_TYPE) */ +/* ECHO_IOC_SET_STRIPE _IOWR('f', 201, OBD_IOC_DATA_TYPE) */ +/* ECHO_IOC_ENQUEUE _IOWR('f', 202, OBD_IOC_DATA_TYPE) */ +/* ECHO_IOC_CANCEL _IOWR('f', 203, OBD_IOC_DATA_TYPE) */ + +#define OBD_IOC_GET_OBJ_VERSION _IOR('f', 210, OBD_IOC_DATA_TYPE) + +/* lustre/lustre_user.h 212-217 */ +#define OBD_IOC_GET_MNTOPT _IOW('f', 220, mntopt_t) +#define OBD_IOC_ECHO_MD _IOR('f', 221, struct obd_ioctl_data) +#define OBD_IOC_ECHO_ALLOC_SEQ _IOWR('f', 222, struct obd_ioctl_data) +#define OBD_IOC_START_LFSCK _IOWR('f', 230, OBD_IOC_DATA_TYPE) +#define OBD_IOC_STOP_LFSCK _IOW('f', 231, OBD_IOC_DATA_TYPE) +#define OBD_IOC_QUERY_LFSCK _IOR('f', 232, struct obd_ioctl_data) +/* lustre/lustre_user.h 240-249 */ +/* LIBCFS_IOC_DEBUG_MASK 250 */ + +#define IOC_OSC_SET_ACTIVE _IOWR('h', 21, void *) + +#endif /* LUSTRE_IOCTL_H_ */ diff --git a/drivers/staging/lustre/lustre/include/lustre/lustre_user.h b/drivers/staging/lustre/lustre/include/lustre/lustre_user.h index ef6f38ff359e..351fb4c1521d 100644 --- a/drivers/staging/lustre/lustre/include/lustre/lustre_user.h +++ b/drivers/staging/lustre/lustre/include/lustre/lustre_user.h @@ -45,6 +45,8 @@ #include "ll_fiemap.h" #include "../linux/lustre_user.h" +#define LUSTRE_EOF 0xffffffffffffffffULL + /* for statfs() */ #define LL_SUPER_MAGIC 0x0BD00BD0 @@ -117,6 +119,11 @@ struct lu_fid { __u32 f_ver; }; +static inline bool fid_is_zero(const struct lu_fid *fid) +{ + return !fid->f_seq && !fid->f_oid; +} + struct filter_fid { struct lu_fid ff_parent; /* ff_parent.f_ver == file stripe number */ }; @@ -167,7 +174,7 @@ struct lustre_mdt_attrs { */ struct ost_id { union { - struct ostid { + struct { __u64 oi_id; __u64 oi_seq; } oi; @@ -188,26 +195,20 @@ struct ost_id { * *STRIPE* - set/get lov_user_md * *INFO - set/get lov_user_mds_data */ -/* see <lustre_lib.h> for ioctl numberss 101-150 */ +/* lustre_ioctl.h 101-150 */ #define LL_IOC_GETFLAGS _IOR('f', 151, long) #define LL_IOC_SETFLAGS _IOW('f', 152, long) #define LL_IOC_CLRFLAGS _IOW('f', 153, long) -/* LL_IOC_LOV_SETSTRIPE: See also OBD_IOC_LOV_SETSTRIPE */ #define LL_IOC_LOV_SETSTRIPE _IOW('f', 154, long) -/* LL_IOC_LOV_GETSTRIPE: See also OBD_IOC_LOV_GETSTRIPE */ #define LL_IOC_LOV_GETSTRIPE _IOW('f', 155, long) -/* LL_IOC_LOV_SETEA: See also OBD_IOC_LOV_SETEA */ #define LL_IOC_LOV_SETEA _IOW('f', 156, long) #define LL_IOC_RECREATE_OBJ _IOW('f', 157, long) #define LL_IOC_RECREATE_FID _IOW('f', 157, struct lu_fid) #define LL_IOC_GROUP_LOCK _IOW('f', 158, long) #define LL_IOC_GROUP_UNLOCK _IOW('f', 159, long) -/* LL_IOC_QUOTACHECK: See also OBD_IOC_QUOTACHECK */ -#define LL_IOC_QUOTACHECK _IOW('f', 160, int) -/* LL_IOC_POLL_QUOTACHECK: See also OBD_IOC_POLL_QUOTACHECK */ -#define LL_IOC_POLL_QUOTACHECK _IOR('f', 161, struct if_quotacheck *) -/* LL_IOC_QUOTACTL: See also OBD_IOC_QUOTACTL */ -#define LL_IOC_QUOTACTL _IOWR('f', 162, struct if_quotactl) +/* #define LL_IOC_QUOTACHECK 160 OBD_IOC_QUOTACHECK */ +/* #define LL_IOC_POLL_QUOTACHECK 161 OBD_IOC_POLL_QUOTACHECK */ +/* #define LL_IOC_QUOTACTL 162 OBD_IOC_QUOTACTL */ #define IOC_OBD_STATFS _IOWR('f', 164, struct obd_statfs *) #define IOC_LOV_GETINFO _IOWR('f', 165, struct lov_user_mds_data *) #define LL_IOC_FLUSHCTX _IOW('f', 166, long) @@ -221,8 +222,7 @@ struct ost_id { #define LL_IOC_GET_CONNECT_FLAGS _IOWR('f', 174, __u64 *) #define LL_IOC_GET_MDTIDX _IOR('f', 175, int) -/* see <lustre_lib.h> for ioctl numbers 177-210 */ - +/* lustre_ioctl.h 177-210 */ #define LL_IOC_HSM_STATE_GET _IOR('f', 211, struct hsm_user_state) #define LL_IOC_HSM_STATE_SET _IOW('f', 212, struct hsm_state_set) #define LL_IOC_HSM_CT_START _IOW('f', 213, struct lustre_kernelcomm) @@ -242,6 +242,8 @@ struct ost_id { #define LL_IOC_SET_LEASE _IOWR('f', 243, long) #define LL_IOC_GET_LEASE _IO('f', 244) #define LL_IOC_HSM_IMPORT _IOWR('f', 245, struct hsm_user_import) +#define LL_IOC_LMV_SET_DEFAULT_STRIPE _IOWR('f', 246, struct lmv_user_md) +#define LL_IOC_MIGRATE _IOR('f', 247, int) #define LL_STATFS_LMV 1 #define LL_STATFS_LOV 2 @@ -253,10 +255,6 @@ struct ost_id { #define IOC_MDC_GETFILEINFO _IOWR(IOC_MDC_TYPE, 22, struct lov_user_mds_data *) #define LL_IOC_MDC_GETINFO _IOWR(IOC_MDC_TYPE, 23, struct lov_user_mds_data *) -/* Keep these for backward compartability. */ -#define LL_IOC_OBD_STATFS IOC_OBD_STATFS -#define IOC_MDC_GETSTRIPE IOC_MDC_GETFILESTRIPE - #define MAX_OBD_NAME 128 /* If this changes, a NEW ioctl must be added */ /* Define O_LOV_DELAY_CREATE to be a mask that is not useful for regular @@ -278,12 +276,16 @@ struct ost_id { #define LOV_USER_MAGIC_JOIN_V1 0x0BD20BD0 #define LOV_USER_MAGIC_V3 0x0BD30BD0 -#define LMV_MAGIC_V1 0x0CD10CD0 /*normal stripe lmv magic */ -#define LMV_USER_MAGIC 0x0CD20CD0 /*default lmv magic*/ +#define LMV_USER_MAGIC 0x0CD30CD0 /*default lmv magic*/ -#define LOV_PATTERN_RAID0 0x001 -#define LOV_PATTERN_RAID1 0x002 -#define LOV_PATTERN_FIRST 0x100 +#define LOV_PATTERN_RAID0 0x001 +#define LOV_PATTERN_RAID1 0x002 +#define LOV_PATTERN_FIRST 0x100 +#define LOV_PATTERN_CMOBD 0x200 + +#define LOV_PATTERN_F_MASK 0xffff0000 +#define LOV_PATTERN_F_HOLE 0x40000000 /* there is hole in LOV EA */ +#define LOV_PATTERN_F_RELEASED 0x80000000 /* HSM released file */ #define LOV_MAXPOOLNAME 16 #define LOV_POOLNAMEF "%.16s" @@ -374,19 +376,26 @@ struct lov_user_mds_data_v3 { } __packed; #endif -/* keep this to be the same size as lov_user_ost_data_v1 */ struct lmv_user_mds_data { struct lu_fid lum_fid; __u32 lum_padding; __u32 lum_mds; }; -/* lum_type */ -enum { - LMV_STRIPE_TYPE = 0, - LMV_DEFAULT_TYPE = 1, +enum lmv_hash_type { + LMV_HASH_TYPE_UNKNOWN = 0, /* 0 is reserved for testing purpose */ + LMV_HASH_TYPE_ALL_CHARS = 1, + LMV_HASH_TYPE_FNV_1A_64 = 2, }; +#define LMV_HASH_NAME_ALL_CHARS "all_char" +#define LMV_HASH_NAME_FNV_1A_64 "fnv_1a_64" + +/* + * Got this according to how get LOV_MAX_STRIPE_COUNT, see above, + * (max buffer size - lmv+rpc header) / sizeof(struct lmv_user_mds_data) + */ +#define LMV_MAX_STRIPE_COUNT 2000 /* ((12 * 4096 - 256) / 24) */ #define lmv_user_md lmv_user_md_v1 struct lmv_user_md_v1 { __u32 lum_magic; /* must be the first field */ @@ -399,7 +408,7 @@ struct lmv_user_md_v1 { __u32 lum_padding3; char lum_pool_name[LOV_MAXPOOLNAME]; struct lmv_user_mds_data lum_objects[0]; -}; +} __packed; static inline int lmv_user_md_size(int stripes, int lmm_magic) { @@ -407,6 +416,8 @@ static inline int lmv_user_md_size(int stripes, int lmm_magic) stripes * sizeof(struct lmv_user_mds_data); } +void lustre_swab_lmv_user_md(struct lmv_user_md *lum); + struct ll_recreate_obj { __u64 lrc_id; __u32 lrc_ost_idx; @@ -498,6 +509,12 @@ static inline void obd_uuid2fsname(char *buf, char *uuid, int buflen) /********* Quotas **********/ +#define Q_QUOTACHECK 0x800100 /* deprecated as of 2.4 */ +#define Q_INITQUOTA 0x800101 /* deprecated as of 2.4 */ +#define Q_GETOINFO 0x800102 /* get obd quota info */ +#define Q_GETOQUOTA 0x800103 /* get obd quotas */ +#define Q_FINVALIDATE 0x800104 /* deprecated as of 2.4 */ + /* these must be explicitly translated into linux Q_* in ll_dir_ioctl */ #define LUSTRE_Q_QUOTAON 0x800002 /* turn quotas on */ #define LUSTRE_Q_QUOTAOFF 0x800003 /* turn quotas off */ @@ -736,7 +753,7 @@ static inline void hsm_set_cl_error(int *flags, int error) *flags |= (error << CLF_HSM_ERR_L); } -#define CR_MAXSIZE cfs_size_round(2*NAME_MAX + 1 + \ +#define CR_MAXSIZE cfs_size_round(2 * NAME_MAX + 1 + \ sizeof(struct changelog_ext_rec)) struct changelog_rec { @@ -978,7 +995,7 @@ struct hsm_user_request { /** Return pointer to data field in a hsm user request */ static inline void *hur_data(struct hsm_user_request *hur) { - return &(hur->hur_user_item[hur->hur_request.hr_itemcount]); + return &hur->hur_user_item[hur->hur_request.hr_itemcount]; } /** diff --git a/drivers/staging/lustre/lustre/include/lustre_dlm.h b/drivers/staging/lustre/lustre/include/lustre_dlm.h index 60051a5cfe20..1ec4231cb988 100644 --- a/drivers/staging/lustre/lustre/include/lustre_dlm.h +++ b/drivers/staging/lustre/lustre/include/lustre_dlm.h @@ -968,6 +968,7 @@ struct ldlm_enqueue_info { void *ei_cb_cp; /** lock completion callback */ void *ei_cb_gl; /** lock glimpse callback */ void *ei_cbdata; /** Data to be passed into callbacks. */ + unsigned int ei_enq_slave:1; /* whether enqueue slave stripes */ }; extern struct obd_ops ldlm_obd_ops; @@ -1281,16 +1282,6 @@ int ldlm_cli_cancel_list(struct list_head *head, int count, int intent_disposition(struct ldlm_reply *rep, int flag); void intent_set_disposition(struct ldlm_reply *rep, int flag); -/* ioctls for trying requests */ -#define IOC_LDLM_TYPE 'f' -#define IOC_LDLM_MIN_NR 40 - -#define IOC_LDLM_TEST _IOWR('f', 40, long) -#define IOC_LDLM_DUMP _IOWR('f', 41, long) -#define IOC_LDLM_REGRESS_START _IOWR('f', 42, long) -#define IOC_LDLM_REGRESS_STOP _IOWR('f', 43, long) -#define IOC_LDLM_MAX_NR 43 - /** * "Modes" of acquiring lock_res, necessary to tell lockdep that taking more * than one lock_res is dead-lock safe. diff --git a/drivers/staging/lustre/lustre/include/lustre_dlm_flags.h b/drivers/staging/lustre/lustre/include/lustre_dlm_flags.h index e7e0c21a9b40..a0f064d237c9 100644 --- a/drivers/staging/lustre/lustre/include/lustre_dlm_flags.h +++ b/drivers/staging/lustre/lustre/include/lustre_dlm_flags.h @@ -28,21 +28,6 @@ /** l_flags bits marked as "all_flags" bits */ #define LDLM_FL_ALL_FLAGS_MASK 0x00FFFFFFC08F932FULL -/** l_flags bits marked as "ast" bits */ -#define LDLM_FL_AST_MASK 0x0000000080008000ULL - -/** l_flags bits marked as "blocked" bits */ -#define LDLM_FL_BLOCKED_MASK 0x000000000000000EULL - -/** l_flags bits marked as "gone" bits */ -#define LDLM_FL_GONE_MASK 0x0006004000000000ULL - -/** l_flags bits marked as "inherit" bits */ -#define LDLM_FL_INHERIT_MASK 0x0000000000800000ULL - -/** l_flags bits marked as "off_wire" bits */ -#define LDLM_FL_OFF_WIRE_MASK 0x00FFFFFF00000000ULL - /** extent, mode, or resource changed */ #define LDLM_FL_LOCK_CHANGED 0x0000000000000001ULL /* bit 0 */ #define ldlm_is_lock_changed(_l) LDLM_TEST_FLAG((_l), 1ULL << 0) @@ -372,6 +357,27 @@ #define ldlm_set_excl(_l) LDLM_SET_FLAG((_l), 1ULL << 55) #define ldlm_clear_excl(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 55) +/** l_flags bits marked as "ast" bits */ +#define LDLM_FL_AST_MASK (LDLM_FL_FLOCK_DEADLOCK |\ + LDLM_FL_AST_DISCARD_DATA) + +/** l_flags bits marked as "blocked" bits */ +#define LDLM_FL_BLOCKED_MASK (LDLM_FL_BLOCK_GRANTED |\ + LDLM_FL_BLOCK_CONV |\ + LDLM_FL_BLOCK_WAIT) + +/** l_flags bits marked as "gone" bits */ +#define LDLM_FL_GONE_MASK (LDLM_FL_DESTROYED |\ + LDLM_FL_FAILED) + +/** l_flags bits marked as "inherit" bits */ +/* Flags inherited from wire on enqueue/reply between client/server. */ +/* NO_TIMEOUT flag to force ldlm_lock_match() to wait with no timeout. */ +/* TEST_LOCK flag to not let TEST lock to be granted. */ +#define LDLM_FL_INHERIT_MASK (LDLM_FL_CANCEL_ON_BLOCK |\ + LDLM_FL_NO_TIMEOUT |\ + LDLM_FL_TEST_LOCK) + /** test for ldlm_lock flag bit set */ #define LDLM_TEST_FLAG(_l, _b) (((_l)->l_flags & (_b)) != 0) diff --git a/drivers/staging/lustre/lustre/include/lustre_fid.h b/drivers/staging/lustre/lustre/include/lustre_fid.h index 743671a547ef..316780693193 100644 --- a/drivers/staging/lustre/lustre/include/lustre_fid.h +++ b/drivers/staging/lustre/lustre/include/lustre_fid.h @@ -229,6 +229,7 @@ enum local_oid { MDD_LOV_OBJ_OSEQ = 4121UL, LFSCK_NAMESPACE_OID = 4122UL, REMOTE_PARENT_DIR_OID = 4123UL, + SLAVE_LLOG_CATALOGS_OID = 4124UL, }; static inline void lu_local_obj_fid(struct lu_fid *fid, __u32 oid) @@ -392,21 +393,19 @@ struct ldlm_namespace; * but was moved into name[1] along with the OID to avoid consuming the * renaming name[2,3] fields that need to be used for the quota identifier. */ -static inline struct ldlm_res_id * +static inline void fid_build_reg_res_name(const struct lu_fid *fid, struct ldlm_res_id *res) { memset(res, 0, sizeof(*res)); res->name[LUSTRE_RES_ID_SEQ_OFF] = fid_seq(fid); res->name[LUSTRE_RES_ID_VER_OID_OFF] = fid_ver_oid(fid); - - return res; } /* * Return true if resource is for object identified by FID. */ -static inline int fid_res_name_eq(const struct lu_fid *fid, - const struct ldlm_res_id *res) +static inline bool fid_res_name_eq(const struct lu_fid *fid, + const struct ldlm_res_id *res) { return res->name[LUSTRE_RES_ID_SEQ_OFF] == fid_seq(fid) && res->name[LUSTRE_RES_ID_VER_OID_OFF] == fid_ver_oid(fid); @@ -415,29 +414,25 @@ static inline int fid_res_name_eq(const struct lu_fid *fid, /* * Extract FID from LDLM resource. Reverse of fid_build_reg_res_name(). */ -static inline struct lu_fid * +static inline void fid_extract_from_res_name(struct lu_fid *fid, const struct ldlm_res_id *res) { fid->f_seq = res->name[LUSTRE_RES_ID_SEQ_OFF]; fid->f_oid = (__u32)(res->name[LUSTRE_RES_ID_VER_OID_OFF]); fid->f_ver = (__u32)(res->name[LUSTRE_RES_ID_VER_OID_OFF] >> 32); LASSERT(fid_res_name_eq(fid, res)); - - return fid; } /* * Build (DLM) resource identifier from global quota FID and quota ID. */ -static inline struct ldlm_res_id * +static inline void fid_build_quota_res_name(const struct lu_fid *glb_fid, union lquota_id *qid, struct ldlm_res_id *res) { fid_build_reg_res_name(glb_fid, res); res->name[LUSTRE_RES_ID_QUOTA_SEQ_OFF] = fid_seq(&qid->qid_fid); res->name[LUSTRE_RES_ID_QUOTA_VER_OID_OFF] = fid_ver_oid(&qid->qid_fid); - - return res; } /* @@ -454,14 +449,12 @@ static inline void fid_extract_from_quota_res(struct lu_fid *glb_fid, (__u32)(res->name[LUSTRE_RES_ID_QUOTA_VER_OID_OFF] >> 32); } -static inline struct ldlm_res_id * +static inline void fid_build_pdo_res_name(const struct lu_fid *fid, unsigned int hash, struct ldlm_res_id *res) { fid_build_reg_res_name(fid, res); res->name[LUSTRE_RES_ID_HSH_OFF] = hash; - - return res; } /** @@ -482,7 +475,7 @@ fid_build_pdo_res_name(const struct lu_fid *fid, unsigned int hash, * res will be built from normal FID directly, i.e. res[0] = f_seq, * res[1] = f_oid + f_ver. */ -static inline void ostid_build_res_name(struct ost_id *oi, +static inline void ostid_build_res_name(const struct ost_id *oi, struct ldlm_res_id *name) { memset(name, 0, sizeof(*name)); @@ -497,8 +490,8 @@ static inline void ostid_build_res_name(struct ost_id *oi, /** * Return true if the resource is for the object identified by this id & group. */ -static inline int ostid_res_name_eq(struct ost_id *oi, - struct ldlm_res_id *name) +static inline int ostid_res_name_eq(const struct ost_id *oi, + const struct ldlm_res_id *name) { /* Note: it is just a trick here to save some effort, probably the * correct way would be turn them into the FID and compare @@ -603,13 +596,14 @@ static inline __u32 fid_flatten32(const struct lu_fid *fid) * (from OID), or up to 128M inodes without collisions for new files. */ ino = ((seq & 0x000fffffULL) << 12) + ((seq >> 8) & 0xfffff000) + - (seq >> (64 - (40-8)) & 0xffffff00) + + (seq >> (64 - (40 - 8)) & 0xffffff00) + (fid_oid(fid) & 0xff000fff) + ((fid_oid(fid) & 0x00fff000) << 8); return ino ? ino : fid_oid(fid); } -static inline int lu_fid_diff(struct lu_fid *fid1, struct lu_fid *fid2) +static inline int lu_fid_diff(const struct lu_fid *fid1, + const struct lu_fid *fid2) { LASSERTF(fid_seq(fid1) == fid_seq(fid2), "fid1:"DFID", fid2:"DFID"\n", PFID(fid1), PFID(fid2)); diff --git a/drivers/staging/lustre/lustre/include/lustre_handles.h b/drivers/staging/lustre/lustre/include/lustre_handles.h index 1a63a6b9e116..bc1dd4660151 100644 --- a/drivers/staging/lustre/lustre/include/lustre_handles.h +++ b/drivers/staging/lustre/lustre/include/lustre_handles.h @@ -66,6 +66,7 @@ struct portals_handle_ops { struct portals_handle { struct list_head h_link; __u64 h_cookie; + const void *h_owner; struct portals_handle_ops *h_ops; /* newly added fields to handle the RCU issue. -jxiong */ @@ -83,7 +84,7 @@ struct portals_handle { void class_handle_hash(struct portals_handle *, struct portals_handle_ops *ops); void class_handle_unhash(struct portals_handle *); -void *class_handle2object(__u64 cookie); +void *class_handle2object(__u64 cookie, const void *owner); void class_handle_free_cb(struct rcu_head *rcu); int class_handle_init(void); void class_handle_cleanup(void); diff --git a/drivers/staging/lustre/lustre/include/lustre_import.h b/drivers/staging/lustre/lustre/include/lustre_import.h index 4445be7a59dd..b7a7a74ff199 100644 --- a/drivers/staging/lustre/lustre/include/lustre_import.h +++ b/drivers/staging/lustre/lustre/include/lustre_import.h @@ -305,28 +305,6 @@ struct obd_import { time64_t imp_last_reply_time; /* for health check */ }; -typedef void (*obd_import_callback)(struct obd_import *imp, void *closure, - int event, void *event_arg, void *cb_data); - -/** - * Structure for import observer. - * It is possible to register "observer" on an import and every time - * something happens to an import (like connect/evict/disconnect) - * obderver will get its callback called with event type - */ -struct obd_import_observer { - struct list_head oio_chain; - obd_import_callback oio_cb; - void *oio_cb_data; -}; - -void class_observe_import(struct obd_import *imp, obd_import_callback cb, - void *cb_data); -void class_unobserve_import(struct obd_import *imp, obd_import_callback cb, - void *cb_data); -void class_notify_import_observers(struct obd_import *imp, int event, - void *event_arg); - /* import.c */ static inline unsigned int at_est2timeout(unsigned int val) { diff --git a/drivers/staging/lustre/lustre/include/lustre_lib.h b/drivers/staging/lustre/lustre/include/lustre_lib.h index 06958f217fc8..adb8c47083c8 100644 --- a/drivers/staging/lustre/lustre/include/lustre_lib.h +++ b/drivers/staging/lustre/lustre/include/lustre_lib.h @@ -75,7 +75,6 @@ int do_set_info_async(struct obd_import *imp, struct ptlrpc_request_set *set); #define OBD_RECOVERY_MAX_TIME (obd_timeout * 18) /* b13079 */ -#define OBD_MAX_IOCTL_BUFFER CONFIG_LUSTRE_OBD_MAX_IOCTL_BUFFER void target_send_reply(struct ptlrpc_request *req, int rc, int fail_id); @@ -99,289 +98,6 @@ struct obd_client_handle { /* statfs_pack.c */ void statfs_unpack(struct kstatfs *sfs, struct obd_statfs *osfs); -/* - * For md echo client - */ -enum md_echo_cmd { - ECHO_MD_CREATE = 1, /* Open/Create file on MDT */ - ECHO_MD_MKDIR = 2, /* Mkdir on MDT */ - ECHO_MD_DESTROY = 3, /* Unlink file on MDT */ - ECHO_MD_RMDIR = 4, /* Rmdir on MDT */ - ECHO_MD_LOOKUP = 5, /* Lookup on MDT */ - ECHO_MD_GETATTR = 6, /* Getattr on MDT */ - ECHO_MD_SETATTR = 7, /* Setattr on MDT */ - ECHO_MD_ALLOC_FID = 8, /* Get FIDs from MDT */ -}; - -/* - * OBD IOCTLS - */ -#define OBD_IOCTL_VERSION 0x00010004 - -struct obd_ioctl_data { - __u32 ioc_len; - __u32 ioc_version; - - union { - __u64 ioc_cookie; - __u64 ioc_u64_1; - }; - union { - __u32 ioc_conn1; - __u32 ioc_u32_1; - }; - union { - __u32 ioc_conn2; - __u32 ioc_u32_2; - }; - - struct obdo ioc_obdo1; - struct obdo ioc_obdo2; - - u64 ioc_count; - u64 ioc_offset; - __u32 ioc_dev; - __u32 ioc_command; - - __u64 ioc_nid; - __u32 ioc_nal; - __u32 ioc_type; - - /* buffers the kernel will treat as user pointers */ - __u32 ioc_plen1; - void __user *ioc_pbuf1; - __u32 ioc_plen2; - void __user *ioc_pbuf2; - - /* inline buffers for various arguments */ - __u32 ioc_inllen1; - char *ioc_inlbuf1; - __u32 ioc_inllen2; - char *ioc_inlbuf2; - __u32 ioc_inllen3; - char *ioc_inlbuf3; - __u32 ioc_inllen4; - char *ioc_inlbuf4; - - char ioc_bulk[0]; -}; - -struct obd_ioctl_hdr { - __u32 ioc_len; - __u32 ioc_version; -}; - -static inline int obd_ioctl_packlen(struct obd_ioctl_data *data) -{ - int len = cfs_size_round(sizeof(struct obd_ioctl_data)); - - len += cfs_size_round(data->ioc_inllen1); - len += cfs_size_round(data->ioc_inllen2); - len += cfs_size_round(data->ioc_inllen3); - len += cfs_size_round(data->ioc_inllen4); - return len; -} - -static inline int obd_ioctl_is_invalid(struct obd_ioctl_data *data) -{ - if (data->ioc_len > OBD_MAX_IOCTL_BUFFER) { - CERROR("OBD ioctl: ioc_len larger than %d\n", - OBD_MAX_IOCTL_BUFFER); - return 1; - } - if (data->ioc_inllen1 > OBD_MAX_IOCTL_BUFFER) { - CERROR("OBD ioctl: ioc_inllen1 larger than ioc_len\n"); - return 1; - } - if (data->ioc_inllen2 > OBD_MAX_IOCTL_BUFFER) { - CERROR("OBD ioctl: ioc_inllen2 larger than ioc_len\n"); - return 1; - } - if (data->ioc_inllen3 > OBD_MAX_IOCTL_BUFFER) { - CERROR("OBD ioctl: ioc_inllen3 larger than ioc_len\n"); - return 1; - } - if (data->ioc_inllen4 > OBD_MAX_IOCTL_BUFFER) { - CERROR("OBD ioctl: ioc_inllen4 larger than ioc_len\n"); - return 1; - } - if (data->ioc_inlbuf1 && !data->ioc_inllen1) { - CERROR("OBD ioctl: inlbuf1 pointer but 0 length\n"); - return 1; - } - if (data->ioc_inlbuf2 && !data->ioc_inllen2) { - CERROR("OBD ioctl: inlbuf2 pointer but 0 length\n"); - return 1; - } - if (data->ioc_inlbuf3 && !data->ioc_inllen3) { - CERROR("OBD ioctl: inlbuf3 pointer but 0 length\n"); - return 1; - } - if (data->ioc_inlbuf4 && !data->ioc_inllen4) { - CERROR("OBD ioctl: inlbuf4 pointer but 0 length\n"); - return 1; - } - if (data->ioc_pbuf1 && !data->ioc_plen1) { - CERROR("OBD ioctl: pbuf1 pointer but 0 length\n"); - return 1; - } - if (data->ioc_pbuf2 && !data->ioc_plen2) { - CERROR("OBD ioctl: pbuf2 pointer but 0 length\n"); - return 1; - } - if (data->ioc_plen1 && !data->ioc_pbuf1) { - CERROR("OBD ioctl: plen1 set but NULL pointer\n"); - return 1; - } - if (data->ioc_plen2 && !data->ioc_pbuf2) { - CERROR("OBD ioctl: plen2 set but NULL pointer\n"); - return 1; - } - if (obd_ioctl_packlen(data) > data->ioc_len) { - CERROR("OBD ioctl: packlen exceeds ioc_len (%d > %d)\n", - obd_ioctl_packlen(data), data->ioc_len); - return 1; - } - return 0; -} - -#include "obd_support.h" - -/* function defined in lustre/obdclass/<platform>/<platform>-module.c */ -int obd_ioctl_getdata(char **buf, int *len, void __user *arg); -int obd_ioctl_popdata(void __user *arg, void *data, int len); - -static inline void obd_ioctl_freedata(char *buf, int len) -{ - kvfree(buf); - return; -} - -/* - * BSD ioctl description: - * #define IOC_V1 _IOR(g, n1, long) - * #define IOC_V2 _IOW(g, n2, long) - * - * ioctl(f, IOC_V1, arg); - * arg will be treated as a long value, - * - * ioctl(f, IOC_V2, arg) - * arg will be treated as a pointer, bsd will call - * copyin(buf, arg, sizeof(long)) - * - * To make BSD ioctl handles argument correctly and simplely, - * we change _IOR to _IOWR so BSD will copyin obd_ioctl_data - * for us. Does this change affect Linux? (XXX Liang) - */ -#define OBD_IOC_DATA_TYPE long - -#define OBD_IOC_CREATE _IOWR('f', 101, OBD_IOC_DATA_TYPE) -#define OBD_IOC_DESTROY _IOW('f', 104, OBD_IOC_DATA_TYPE) -#define OBD_IOC_PREALLOCATE _IOWR('f', 105, OBD_IOC_DATA_TYPE) - -#define OBD_IOC_SETATTR _IOW('f', 107, OBD_IOC_DATA_TYPE) -#define OBD_IOC_GETATTR _IOWR ('f', 108, OBD_IOC_DATA_TYPE) -#define OBD_IOC_READ _IOWR('f', 109, OBD_IOC_DATA_TYPE) -#define OBD_IOC_WRITE _IOWR('f', 110, OBD_IOC_DATA_TYPE) - -#define OBD_IOC_STATFS _IOWR('f', 113, OBD_IOC_DATA_TYPE) -#define OBD_IOC_SYNC _IOW('f', 114, OBD_IOC_DATA_TYPE) -#define OBD_IOC_READ2 _IOWR('f', 115, OBD_IOC_DATA_TYPE) -#define OBD_IOC_FORMAT _IOWR('f', 116, OBD_IOC_DATA_TYPE) -#define OBD_IOC_PARTITION _IOWR('f', 117, OBD_IOC_DATA_TYPE) -#define OBD_IOC_COPY _IOWR('f', 120, OBD_IOC_DATA_TYPE) -#define OBD_IOC_MIGR _IOWR('f', 121, OBD_IOC_DATA_TYPE) -#define OBD_IOC_PUNCH _IOWR('f', 122, OBD_IOC_DATA_TYPE) - -#define OBD_IOC_MODULE_DEBUG _IOWR('f', 124, OBD_IOC_DATA_TYPE) -#define OBD_IOC_BRW_READ _IOWR('f', 125, OBD_IOC_DATA_TYPE) -#define OBD_IOC_BRW_WRITE _IOWR('f', 126, OBD_IOC_DATA_TYPE) -#define OBD_IOC_NAME2DEV _IOWR('f', 127, OBD_IOC_DATA_TYPE) -#define OBD_IOC_UUID2DEV _IOWR('f', 130, OBD_IOC_DATA_TYPE) - -#define OBD_IOC_GETNAME _IOWR('f', 131, OBD_IOC_DATA_TYPE) -#define OBD_IOC_GETMDNAME _IOR('f', 131, char[MAX_OBD_NAME]) -#define OBD_IOC_GETDTNAME OBD_IOC_GETNAME - -#define OBD_IOC_LOV_GET_CONFIG _IOWR('f', 132, OBD_IOC_DATA_TYPE) -#define OBD_IOC_CLIENT_RECOVER _IOW('f', 133, OBD_IOC_DATA_TYPE) -#define OBD_IOC_PING_TARGET _IOW('f', 136, OBD_IOC_DATA_TYPE) - -#define OBD_IOC_DEC_FS_USE_COUNT _IO ('f', 139) -#define OBD_IOC_NO_TRANSNO _IOW('f', 140, OBD_IOC_DATA_TYPE) -#define OBD_IOC_SET_READONLY _IOW('f', 141, OBD_IOC_DATA_TYPE) -#define OBD_IOC_ABORT_RECOVERY _IOR('f', 142, OBD_IOC_DATA_TYPE) - -#define OBD_IOC_ROOT_SQUASH _IOWR('f', 143, OBD_IOC_DATA_TYPE) - -#define OBD_GET_VERSION _IOWR ('f', 144, OBD_IOC_DATA_TYPE) - -#define OBD_IOC_GSS_SUPPORT _IOWR('f', 145, OBD_IOC_DATA_TYPE) - -#define OBD_IOC_CLOSE_UUID _IOWR ('f', 147, OBD_IOC_DATA_TYPE) - -#define OBD_IOC_CHANGELOG_SEND _IOW('f', 148, OBD_IOC_DATA_TYPE) -#define OBD_IOC_GETDEVICE _IOWR ('f', 149, OBD_IOC_DATA_TYPE) -#define OBD_IOC_FID2PATH _IOWR ('f', 150, OBD_IOC_DATA_TYPE) -/* see also <lustre/lustre_user.h> for ioctls 151-153 */ -/* OBD_IOC_LOV_SETSTRIPE: See also LL_IOC_LOV_SETSTRIPE */ -#define OBD_IOC_LOV_SETSTRIPE _IOW('f', 154, OBD_IOC_DATA_TYPE) -/* OBD_IOC_LOV_GETSTRIPE: See also LL_IOC_LOV_GETSTRIPE */ -#define OBD_IOC_LOV_GETSTRIPE _IOW('f', 155, OBD_IOC_DATA_TYPE) -/* OBD_IOC_LOV_SETEA: See also LL_IOC_LOV_SETEA */ -#define OBD_IOC_LOV_SETEA _IOW('f', 156, OBD_IOC_DATA_TYPE) -/* see <lustre/lustre_user.h> for ioctls 157-159 */ -/* OBD_IOC_QUOTACHECK: See also LL_IOC_QUOTACHECK */ -#define OBD_IOC_QUOTACHECK _IOW('f', 160, int) -/* OBD_IOC_POLL_QUOTACHECK: See also LL_IOC_POLL_QUOTACHECK */ -#define OBD_IOC_POLL_QUOTACHECK _IOR('f', 161, struct if_quotacheck *) -/* OBD_IOC_QUOTACTL: See also LL_IOC_QUOTACTL */ -#define OBD_IOC_QUOTACTL _IOWR('f', 162, struct if_quotactl) -/* see also <lustre/lustre_user.h> for ioctls 163-176 */ -#define OBD_IOC_CHANGELOG_REG _IOW('f', 177, struct obd_ioctl_data) -#define OBD_IOC_CHANGELOG_DEREG _IOW('f', 178, struct obd_ioctl_data) -#define OBD_IOC_CHANGELOG_CLEAR _IOW('f', 179, struct obd_ioctl_data) -#define OBD_IOC_RECORD _IOWR('f', 180, OBD_IOC_DATA_TYPE) -#define OBD_IOC_ENDRECORD _IOWR('f', 181, OBD_IOC_DATA_TYPE) -#define OBD_IOC_PARSE _IOWR('f', 182, OBD_IOC_DATA_TYPE) -#define OBD_IOC_DORECORD _IOWR('f', 183, OBD_IOC_DATA_TYPE) -#define OBD_IOC_PROCESS_CFG _IOWR('f', 184, OBD_IOC_DATA_TYPE) -#define OBD_IOC_DUMP_LOG _IOWR('f', 185, OBD_IOC_DATA_TYPE) -#define OBD_IOC_CLEAR_LOG _IOWR('f', 186, OBD_IOC_DATA_TYPE) -#define OBD_IOC_PARAM _IOW('f', 187, OBD_IOC_DATA_TYPE) -#define OBD_IOC_POOL _IOWR('f', 188, OBD_IOC_DATA_TYPE) -#define OBD_IOC_REPLACE_NIDS _IOWR('f', 189, OBD_IOC_DATA_TYPE) - -#define OBD_IOC_CATLOGLIST _IOWR('f', 190, OBD_IOC_DATA_TYPE) -#define OBD_IOC_LLOG_INFO _IOWR('f', 191, OBD_IOC_DATA_TYPE) -#define OBD_IOC_LLOG_PRINT _IOWR('f', 192, OBD_IOC_DATA_TYPE) -#define OBD_IOC_LLOG_CANCEL _IOWR('f', 193, OBD_IOC_DATA_TYPE) -#define OBD_IOC_LLOG_REMOVE _IOWR('f', 194, OBD_IOC_DATA_TYPE) -#define OBD_IOC_LLOG_CHECK _IOWR('f', 195, OBD_IOC_DATA_TYPE) -/* OBD_IOC_LLOG_CATINFO is deprecated */ -#define OBD_IOC_LLOG_CATINFO _IOWR('f', 196, OBD_IOC_DATA_TYPE) - -/* #define ECHO_IOC_GET_STRIPE _IOWR('f', 200, OBD_IOC_DATA_TYPE) */ -/* #define ECHO_IOC_SET_STRIPE _IOWR('f', 201, OBD_IOC_DATA_TYPE) */ -/* #define ECHO_IOC_ENQUEUE _IOWR('f', 202, OBD_IOC_DATA_TYPE) */ -/* #define ECHO_IOC_CANCEL _IOWR('f', 203, OBD_IOC_DATA_TYPE) */ - -#define OBD_IOC_GET_OBJ_VERSION _IOR('f', 210, OBD_IOC_DATA_TYPE) - -/* <lustre/lustre_user.h> defines ioctl number 218-219 */ -#define OBD_IOC_GET_MNTOPT _IOW('f', 220, mntopt_t) - -#define OBD_IOC_ECHO_MD _IOR('f', 221, struct obd_ioctl_data) -#define OBD_IOC_ECHO_ALLOC_SEQ _IOWR('f', 222, struct obd_ioctl_data) - -#define OBD_IOC_START_LFSCK _IOWR('f', 230, OBD_IOC_DATA_TYPE) -#define OBD_IOC_STOP_LFSCK _IOW('f', 231, OBD_IOC_DATA_TYPE) -#define OBD_IOC_PAUSE_LFSCK _IOW('f', 232, OBD_IOC_DATA_TYPE) - -/* XXX _IOWR('f', 250, long) has been defined in - * libcfs/include/libcfs/libcfs_private.h for debug, don't use it - */ - /* Until such time as we get_info the per-stripe maximum from the OST, * we define this to be 2T - 4k, which is the ext3 maxbytes. */ @@ -391,6 +107,8 @@ static inline void obd_ioctl_freedata(char *buf, int len) #define LOVEA_DELETE_VALUES(size, count, offset) (size == 0 && count == 0 && \ offset == (typeof(offset))(-1)) +#define LMVEA_DELETE_VALUES(count, offset) ((count) == 0 && \ + (offset) == (typeof(offset))(-1)) /* #define POISON_BULK 0 */ /* diff --git a/drivers/staging/lustre/lustre/include/lustre_lite.h b/drivers/staging/lustre/lustre/include/lustre_lite.h index b16897702559..8333d76e0450 100644 --- a/drivers/staging/lustre/lustre/include/lustre_lite.h +++ b/drivers/staging/lustre/lustre/include/lustre_lite.h @@ -42,12 +42,11 @@ #include "obd_class.h" #include "lustre_net.h" -#include "lustre_mds.h" #include "lustre_ha.h" /* 4UL * 1024 * 1024 */ #define LL_MAX_BLKSIZE_BITS (22) -#define LL_MAX_BLKSIZE (1UL<<LL_MAX_BLKSIZE_BITS) +#define LL_MAX_BLKSIZE (1UL << LL_MAX_BLKSIZE_BITS) /* * This is embedded into llite super-blocks to keep track of @@ -81,17 +80,6 @@ static inline void ll_dir_chain_fini(struct ll_dir_chain *chain) { } -static inline unsigned long hash_x_index(__u64 hash, int hash64) -{ - if (BITS_PER_LONG == 32 && hash64) - hash >>= 32; - /* save hash 0 as index 0 because otherwise we'll save it at - * page index end (~0UL) and it causes truncate_inode_pages_range() - * to loop forever. - */ - return ~0UL - (hash + !hash); -} - /** @} lite */ #endif diff --git a/drivers/staging/lustre/lustre/include/lustre_lmv.h b/drivers/staging/lustre/lustre/include/lustre_lmv.h new file mode 100644 index 000000000000..085e59683294 --- /dev/null +++ b/drivers/staging/lustre/lustre/include/lustre_lmv.h @@ -0,0 +1,121 @@ +/* + * GPL HEADER START + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 only, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License version 2 for more details. A copy is + * included in the COPYING file that accompanied this code. + * + * You should have received a copy of the GNU General Public License + * version 2 along with this program; If not, see + * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf + * + * GPL HEADER END + */ +/* + * Copyright (c) 2013, Intel Corporation. + */ +/* + * lustre/include/lustre_lmv.h + * + * Lustre LMV structures and functions. + * + * Author: Di Wang <di.wang@intel.com> + */ + +#ifndef _LUSTRE_LMV_H +#define _LUSTRE_LMV_H +#include "lustre/lustre_idl.h" + +struct lmv_oinfo { + struct lu_fid lmo_fid; + u32 lmo_mds; + struct inode *lmo_root; +}; + +struct lmv_stripe_md { + __u32 lsm_md_magic; + __u32 lsm_md_stripe_count; + __u32 lsm_md_master_mdt_index; + __u32 lsm_md_hash_type; + __u32 lsm_md_layout_version; + __u32 lsm_md_default_count; + __u32 lsm_md_default_index; + char lsm_md_pool_name[LOV_MAXPOOLNAME]; + struct lmv_oinfo lsm_md_oinfo[0]; +}; + +static inline bool +lsm_md_eq(const struct lmv_stripe_md *lsm1, const struct lmv_stripe_md *lsm2) +{ + int idx; + + if (lsm1->lsm_md_magic != lsm2->lsm_md_magic || + lsm1->lsm_md_stripe_count != lsm2->lsm_md_stripe_count || + lsm1->lsm_md_master_mdt_index != lsm2->lsm_md_master_mdt_index || + lsm1->lsm_md_hash_type != lsm2->lsm_md_hash_type || + lsm1->lsm_md_layout_version != lsm2->lsm_md_layout_version || + !strcmp(lsm1->lsm_md_pool_name, lsm2->lsm_md_pool_name)) + return false; + + for (idx = 0; idx < lsm1->lsm_md_stripe_count; idx++) { + if (!lu_fid_eq(&lsm1->lsm_md_oinfo[idx].lmo_fid, + &lsm2->lsm_md_oinfo[idx].lmo_fid)) + return false; + } + + return true; +} + +union lmv_mds_md; + +int lmv_unpack_md(struct obd_export *exp, struct lmv_stripe_md **lsmp, + const union lmv_mds_md *lmm, int stripe_count); + +static inline int lmv_alloc_memmd(struct lmv_stripe_md **lsmp, int stripe_count) +{ + return lmv_unpack_md(NULL, lsmp, NULL, stripe_count); +} + +static inline void lmv_free_memmd(struct lmv_stripe_md *lsm) +{ + lmv_unpack_md(NULL, &lsm, NULL, 0); +} + +static inline void lmv1_le_to_cpu(struct lmv_mds_md_v1 *lmv_dst, + const struct lmv_mds_md_v1 *lmv_src) +{ + int i; + + lmv_dst->lmv_magic = le32_to_cpu(lmv_src->lmv_magic); + lmv_dst->lmv_stripe_count = le32_to_cpu(lmv_src->lmv_stripe_count); + lmv_dst->lmv_master_mdt_index = + le32_to_cpu(lmv_src->lmv_master_mdt_index); + lmv_dst->lmv_hash_type = le32_to_cpu(lmv_src->lmv_hash_type); + lmv_dst->lmv_layout_version = le32_to_cpu(lmv_src->lmv_layout_version); + + for (i = 0; i < lmv_src->lmv_stripe_count; i++) + fid_le_to_cpu(&lmv_dst->lmv_stripe_fids[i], + &lmv_src->lmv_stripe_fids[i]); +} + +static inline void lmv_le_to_cpu(union lmv_mds_md *lmv_dst, + const union lmv_mds_md *lmv_src) +{ + switch (le32_to_cpu(lmv_src->lmv_magic)) { + case LMV_MAGIC_V1: + lmv1_le_to_cpu(&lmv_dst->lmv_md_v1, &lmv_src->lmv_md_v1); + break; + default: + break; + } +} + +#endif diff --git a/drivers/staging/lustre/lustre/include/lustre_log.h b/drivers/staging/lustre/lustre/include/lustre_log.h index b96e02317bfc..995b266932e3 100644 --- a/drivers/staging/lustre/lustre/include/lustre_log.h +++ b/drivers/staging/lustre/lustre/include/lustre_log.h @@ -277,12 +277,11 @@ static inline void llog_ctxt_put(struct llog_ctxt *ctxt) __llog_ctxt_put(NULL, ctxt); } -static inline void llog_group_init(struct obd_llog_group *olg, int group) +static inline void llog_group_init(struct obd_llog_group *olg) { init_waitqueue_head(&olg->olg_waitq); spin_lock_init(&olg->olg_lock); mutex_init(&olg->olg_cat_processing); - olg->olg_seq = group; } static inline int llog_group_set_ctxt(struct obd_llog_group *olg, diff --git a/drivers/staging/lustre/lustre/include/lustre_mdc.h b/drivers/staging/lustre/lustre/include/lustre_mdc.h index fa62b95d351f..9549fb498747 100644 --- a/drivers/staging/lustre/lustre/include/lustre_mdc.h +++ b/drivers/staging/lustre/lustre/include/lustre_mdc.h @@ -96,7 +96,7 @@ static inline void mdc_get_rpc_lock(struct mdc_rpc_lock *lck, struct lookup_intent *it) { if (it && (it->it_op == IT_GETATTR || it->it_op == IT_LOOKUP || - it->it_op == IT_LAYOUT)) + it->it_op == IT_LAYOUT || it->it_op == IT_READDIR)) return; /* This would normally block until the existing request finishes. @@ -136,7 +136,7 @@ static inline void mdc_put_rpc_lock(struct mdc_rpc_lock *lck, struct lookup_intent *it) { if (it && (it->it_op == IT_GETATTR || it->it_op == IT_LOOKUP || - it->it_op == IT_LAYOUT)) + it->it_op == IT_LAYOUT || it->it_op == IT_READDIR)) return; if (lck->rpcl_it == MDC_FAKE_RPCL_IT) { /* OBD_FAIL_MDC_RPCS_SEM */ @@ -163,27 +163,22 @@ static inline void mdc_put_rpc_lock(struct mdc_rpc_lock *lck, static inline void mdc_update_max_ea_from_body(struct obd_export *exp, struct mdt_body *body) { - if (body->valid & OBD_MD_FLMODEASIZE) { + if (body->mbo_valid & OBD_MD_FLMODEASIZE) { struct client_obd *cli = &exp->exp_obd->u.cli; - if (cli->cl_max_mds_easize < body->max_mdsize) { - cli->cl_max_mds_easize = body->max_mdsize; + if (cli->cl_max_mds_easize < body->mbo_max_mdsize) { + cli->cl_max_mds_easize = body->mbo_max_mdsize; cli->cl_default_mds_easize = - min_t(__u32, body->max_mdsize, PAGE_SIZE); + min_t(__u32, body->mbo_max_mdsize, PAGE_SIZE); } - if (cli->cl_max_mds_cookiesize < body->max_cookiesize) { - cli->cl_max_mds_cookiesize = body->max_cookiesize; + if (cli->cl_max_mds_cookiesize < body->mbo_max_cookiesize) { + cli->cl_max_mds_cookiesize = body->mbo_max_cookiesize; cli->cl_default_mds_cookiesize = - min_t(__u32, body->max_cookiesize, PAGE_SIZE); + min_t(__u32, body->mbo_max_cookiesize, PAGE_SIZE); } } } -struct mdc_cache_waiter { - struct list_head mcw_entry; - wait_queue_head_t mcw_waitq; -}; - /* mdc/mdc_locks.c */ int it_open_error(int phase, struct lookup_intent *it); diff --git a/drivers/staging/lustre/lustre/include/lustre_mds.h b/drivers/staging/lustre/lustre/include/lustre_mds.h index 4104bd9bd5c4..23a7e4f78e9a 100644 --- a/drivers/staging/lustre/lustre/include/lustre_mds.h +++ b/drivers/staging/lustre/lustre/include/lustre_mds.h @@ -58,9 +58,6 @@ struct mds_group_info { #define MDD_OBD_NAME "mdd_obd" #define MDD_OBD_UUID "mdd_obd_uuid" -/* these are local flags, used only on the client, private */ -#define M_CHECK_STALE 0200000000 - /** @} mds */ #endif diff --git a/drivers/staging/lustre/lustre/include/lustre_req_layout.h b/drivers/staging/lustre/lustre/include/lustre_req_layout.h index 544a43c862b9..ca0e68366f06 100644 --- a/drivers/staging/lustre/lustre/include/lustre_req_layout.h +++ b/drivers/staging/lustre/lustre/include/lustre_req_layout.h @@ -149,14 +149,11 @@ extern struct req_format RQF_MDS_GETATTR; extern struct req_format RQF_MDS_GETATTR_NAME; extern struct req_format RQF_MDS_CLOSE; extern struct req_format RQF_MDS_RELEASE_CLOSE; -extern struct req_format RQF_MDS_PIN; -extern struct req_format RQF_MDS_UNPIN; extern struct req_format RQF_MDS_CONNECT; extern struct req_format RQF_MDS_DISCONNECT; extern struct req_format RQF_MDS_GET_INFO; extern struct req_format RQF_MDS_READPAGE; extern struct req_format RQF_MDS_WRITEPAGE; -extern struct req_format RQF_MDS_IS_SUBDIR; extern struct req_format RQF_MDS_DONE_WRITING; extern struct req_format RQF_MDS_REINT; extern struct req_format RQF_MDS_REINT_CREATE; diff --git a/drivers/staging/lustre/lustre/include/lustre_ver.h b/drivers/staging/lustre/lustre/include/lustre_ver.h index 64559a16f4de..414075f82390 100644 --- a/drivers/staging/lustre/lustre/include/lustre_ver.h +++ b/drivers/staging/lustre/lustre/include/lustre_ver.h @@ -2,14 +2,21 @@ #define _LUSTRE_VER_H_ #define LUSTRE_MAJOR 2 -#define LUSTRE_MINOR 4 +#define LUSTRE_MINOR 5 #define LUSTRE_PATCH 60 #define LUSTRE_FIX 0 -#define LUSTRE_VERSION_STRING "2.4.60" +#define LUSTRE_VERSION_STRING "2.5.99" -#define LUSTRE_VERSION_CODE OBD_OCD_VERSION(LUSTRE_MAJOR, \ - LUSTRE_MINOR, LUSTRE_PATCH, \ - LUSTRE_FIX) +#define OBD_OCD_VERSION(major, minor, patch, fix) \ + (((major) << 24) + ((minor) << 16) + ((patch) << 8) + (fix)) + +#define OBD_OCD_VERSION_MAJOR(version) ((int)((version) >> 24) & 255) +#define OBD_OCD_VERSION_MINOR(version) ((int)((version) >> 16) & 255) +#define OBD_OCD_VERSION_PATCH(version) ((int)((version) >> 8) & 255) +#define OBD_OCD_VERSION_FIX(version) ((int)((version) >> 0) & 255) + +#define LUSTRE_VERSION_CODE \ + OBD_OCD_VERSION(LUSTRE_MAJOR, LUSTRE_MINOR, LUSTRE_PATCH, LUSTRE_FIX) /* * If lustre version of client and servers it connects to differs by more diff --git a/drivers/staging/lustre/lustre/include/obd.h b/drivers/staging/lustre/lustre/include/obd.h index a1bc2c478ff9..f3d141b03556 100644 --- a/drivers/staging/lustre/lustre/include/obd.h +++ b/drivers/staging/lustre/lustre/include/obd.h @@ -35,15 +35,6 @@ #include <linux/spinlock.h> -#define IOC_OSC_TYPE 'h' -#define IOC_OSC_MIN_NR 20 -#define IOC_OSC_SET_ACTIVE _IOWR(IOC_OSC_TYPE, 21, struct obd_device *) -#define IOC_OSC_MAX_NR 50 - -#define IOC_MDC_TYPE 'i' -#define IOC_MDC_MIN_NR 20 -#define IOC_MDC_MAX_NR 50 - #include "lustre/lustre_idl.h" #include "lustre_lib.h" #include "lu_ref.h" @@ -181,27 +172,6 @@ struct brw_page { u32 flag; }; -/* llog contexts */ -enum llog_ctxt_id { - LLOG_CONFIG_ORIG_CTXT = 0, - LLOG_CONFIG_REPL_CTXT, - LLOG_MDS_OST_ORIG_CTXT, - LLOG_MDS_OST_REPL_CTXT, - LLOG_SIZE_ORIG_CTXT, - LLOG_SIZE_REPL_CTXT, - LLOG_RD1_ORIG_CTXT, - LLOG_RD1_REPL_CTXT, - LLOG_TEST_ORIG_CTXT, - LLOG_TEST_REPL_CTXT, - LLOG_LOVEA_ORIG_CTXT, - LLOG_LOVEA_REPL_CTXT, - LLOG_CHANGELOG_ORIG_CTXT, /**< changelog generation on mdd */ - LLOG_CHANGELOG_REPL_CTXT, /**< changelog access on clients */ - LLOG_CHANGELOG_USER_ORIG_CTXT, /**< for multiple changelog consumers */ - LLOG_AGENT_ORIG_CTXT, /**< agent requests generation on cdt */ - LLOG_MAX_CTXTS -}; - struct timeout_item { enum timeout_event ti_event; unsigned long ti_timeout; @@ -211,11 +181,12 @@ struct timeout_item { struct list_head ti_chain; }; -#define OSC_MAX_RIF_DEFAULT 8 -#define OSC_MAX_RIF_MAX 256 -#define OSC_MAX_DIRTY_DEFAULT (OSC_MAX_RIF_DEFAULT * 4) -#define OSC_MAX_DIRTY_MB_MAX 2048 /* arbitrary, but < MAX_LONG bytes */ -#define OSC_DEFAULT_RESENDS 10 +#define OBD_MAX_RIF_DEFAULT 8 +#define OBD_MAX_RIF_MAX 512 +#define OSC_MAX_RIF_MAX 256 +#define OSC_MAX_DIRTY_DEFAULT (OBD_MAX_RIF_DEFAULT * 4) +#define OSC_MAX_DIRTY_MB_MAX 2048 /* arbitrary, but < MAX_LONG bytes */ +#define OSC_DEFAULT_RESENDS 10 /* possible values for fo_sync_lock_cancel */ enum { @@ -225,9 +196,6 @@ enum { NUM_SYNC_ON_CANCEL_STATES }; -#define MDC_MAX_RIF_DEFAULT 8 -#define MDC_MAX_RIF_MAX 512 - enum obd_cl_sem_lock_class { OBD_CLI_SEM_NORMAL, OBD_CLI_SEM_MGC, @@ -254,8 +222,8 @@ struct client_obd { struct sptlrpc_flavor cl_flvr_mgc; /* fixed flavor of mgc->mgs */ /* the grant values are protected by loi_list_lock below */ - long cl_dirty; /* all _dirty_ in bytes */ - long cl_dirty_max; /* allowed w/o rpc */ + long cl_dirty_pages; /* all _dirty_ in pahges */ + long cl_dirty_max_pages;/* allowed w/o rpc */ long cl_dirty_transit; /* dirty synchronous */ long cl_avail_grant; /* bytes of credit for ost */ long cl_lost_grant; /* lost credits (trunc) */ @@ -275,7 +243,6 @@ struct client_obd { * the extent size. A chunk is max(PAGE_SIZE, OST block size) */ int cl_chunkbits; - int cl_chunk; int cl_extent_tax; /* extent overhead, by bytes */ /* keep track of objects that have lois that contain pages which @@ -474,7 +441,6 @@ struct niobuf_local { __u32 flags; struct page *page; struct dentry *dentry; - int lnb_grant_used; int rc; }; @@ -517,7 +483,6 @@ struct niobuf_local { #define N_LOCAL_TEMP_PAGE 0x10000000 struct obd_trans_info { - __u64 oti_transno; __u64 oti_xid; /* Only used on the server side for tracking acks. */ struct oti_req_ack_lock { @@ -527,50 +492,11 @@ struct obd_trans_info { void *oti_handle; struct llog_cookie oti_onecookie; struct llog_cookie *oti_logcookies; - int oti_numcookies; - /** synchronous write is needed */ - unsigned long oti_sync_write:1; - /* initial thread handling transaction */ - struct ptlrpc_thread *oti_thread; - __u32 oti_conn_cnt; /** VBR: versions */ __u64 oti_pre_version; - /** JobID */ - char *oti_jobid; - - struct obd_uuid *oti_ost_uuid; }; -static inline void oti_alloc_cookies(struct obd_trans_info *oti, - int num_cookies) -{ - if (!oti) - return; - - if (num_cookies == 1) - oti->oti_logcookies = &oti->oti_onecookie; - else - oti->oti_logcookies = libcfs_kvzalloc(num_cookies * sizeof(oti->oti_onecookie), - GFP_NOFS); - - oti->oti_numcookies = num_cookies; -} - -static inline void oti_free_cookies(struct obd_trans_info *oti) -{ - if (!oti || !oti->oti_logcookies) - return; - - if (oti->oti_logcookies == &oti->oti_onecookie) - LASSERT(oti->oti_numcookies == 1); - else - kvfree(oti->oti_logcookies); - - oti->oti_logcookies = NULL; - oti->oti_numcookies = 0; -} - /* * Events signalled through obd_notify() upcall-chain. */ @@ -616,7 +542,6 @@ struct target_recovery_data { }; struct obd_llog_group { - int olg_seq; struct llog_ctxt *olg_ctxts[LLOG_MAX_CTXTS]; wait_queue_head_t olg_waitq; spinlock_t olg_lock; @@ -625,7 +550,6 @@ struct obd_llog_group { /* corresponds to one of the obd's */ #define OBD_DEVICE_MAGIC 0XAB5CD6EF -#define OBD_DEV_BY_DEVNAME 0xffffd0de struct lvfs_run_ctxt { struct dt_device *dt; @@ -653,7 +577,6 @@ struct obd_device { obd_starting:1, /* started setup */ obd_force:1, /* cleanup with > 0 obd refcount */ obd_fail:1, /* cleanup with failover */ - obd_async_recov:1, /* allow asynchronous orphan cleanup */ obd_no_conn:1, /* deny new connections */ obd_inactive:1, /* device active/inactive * (for sysfs status only!!) @@ -728,9 +651,6 @@ struct obd_device { struct completion obd_kobj_unregister; }; -#define OBD_LLOG_FL_SENDNOW 0x0001 -#define OBD_LLOG_FL_EXIT 0x0002 - enum obd_cleanup_stage { /* Special case hack for MDS LOVs */ OBD_CLEANUP_EARLY, @@ -740,8 +660,6 @@ enum obd_cleanup_stage { /* get/set_info keys */ #define KEY_ASYNC "async" -#define KEY_BLOCKSIZE_BITS "blocksize_bits" -#define KEY_BLOCKSIZE "blocksize" #define KEY_CHANGELOG_CLEAR "changelog_clear" #define KEY_FID2PATH "fid2path" #define KEY_CHECKSUM "checksum" @@ -753,13 +671,11 @@ enum obd_cleanup_stage { #define KEY_GRANT_SHRINK "grant_shrink" #define KEY_HSM_COPYTOOL_SEND "hsm_send" #define KEY_INIT_RECOV_BACKUP "init_recov_bk" -#define KEY_INIT_RECOV "initial_recov" #define KEY_INTERMDS "inter_mds" #define KEY_LAST_ID "last_id" #define KEY_LAST_FID "last_fid" #define KEY_LOCK_TO_STRIPE "lock_to_stripe" #define KEY_LOVDESC "lovdesc" -#define KEY_LOV_IDX "lov_idx" #define KEY_MAX_EASIZE "max_easize" #define KEY_DEFAULT_EASIZE "default_easize" #define KEY_MDS_CONN "mds_conn" @@ -772,11 +688,9 @@ enum obd_cleanup_stage { /* KEY_SET_INFO in lustre_idl.h */ #define KEY_SPTLRPC_CONF "sptlrpc_conf" #define KEY_CONNECT_FLAG "connect_flags" -#define KEY_SYNC_LOCK_CANCEL "sync_lock_cancel" #define KEY_CACHE_SET "cache_set" #define KEY_CACHE_LRU_SHRINK "cache_lru_shrink" -#define KEY_CHANGELOG_INDEX "changelog_index" struct lu_context; @@ -801,9 +715,11 @@ static inline int it_to_lock_mode(struct lookup_intent *it) /* CREAT needs to be tested before open (both could be set) */ if (it->it_op & IT_CREAT) return LCK_CW; - else if (it->it_op & (IT_READDIR | IT_GETATTR | IT_OPEN | IT_LOOKUP | + else if (it->it_op & (IT_GETATTR | IT_OPEN | IT_LOOKUP | IT_LAYOUT)) return LCK_CR; + else if (it->it_op & IT_READDIR) + return LCK_PR; else if (it->it_op & IT_GETXATTR) return LCK_PR; else if (it->it_op & IT_SETXATTR) @@ -831,6 +747,7 @@ struct md_op_data { __u32 op_fsgid; cfs_cap_t op_cap; void *op_data; + size_t op_data_size; /* iattr fields and blocks. */ struct iattr op_attr; @@ -845,9 +762,6 @@ struct md_op_data { /* Various operation flags. */ enum mds_op_bias op_bias; - /* Operation type */ - __u32 op_opc; - /* Used by readdir */ __u64 op_offset; @@ -864,9 +778,21 @@ struct md_op_data { struct lustre_handle op_lease_handle; }; +#define op_stripe_offset op_ioepoch +#define op_max_pages op_valid + +struct md_callback { + int (*md_blocking_ast)(struct ldlm_lock *lock, + struct ldlm_lock_desc *desc, + void *data, int flag); +}; + enum op_cli_flags { CLI_SET_MEA = 1 << 0, CLI_RM_ENTRY = 1 << 1, + CLI_HASH64 = BIT(2), + CLI_API32 = BIT(3), + CLI_MIGRATE = BIT(4), }; struct md_enqueue_info; @@ -894,8 +820,6 @@ struct obd_ops { __u32 keylen, void *key, __u32 vallen, void *val, struct ptlrpc_request_set *set); - int (*attach)(struct obd_device *dev, u32 len, void *data); - int (*detach)(struct obd_device *dev); int (*setup)(struct obd_device *dev, struct lustre_cfg *cfg); int (*precleanup)(struct obd_device *dev, enum obd_cleanup_stage cleanup_stage); @@ -927,8 +851,8 @@ struct obd_ops { int (*fid_fini)(struct obd_device *obd); /* Allocate new fid according to passed @hint. */ - int (*fid_alloc)(struct obd_export *exp, struct lu_fid *fid, - struct md_op_data *op_data); + int (*fid_alloc)(const struct lu_env *env, struct obd_export *exp, + struct lu_fid *fid, struct md_op_data *op_data); /* * Object with @fid is getting deleted, we may want to do something @@ -972,8 +896,6 @@ struct obd_ops { struct niobuf_remote *remote, int pages, struct niobuf_local *local, struct obd_trans_info *oti, int rc); - int (*find_cbdata)(struct obd_export *, struct lov_stripe_md *, - ldlm_iterator_t it, void *data); int (*init_export)(struct obd_export *exp); int (*destroy_export)(struct obd_export *exp); @@ -1009,27 +931,11 @@ struct obd_ops { */ }; -enum { - LUSTRE_OPC_MKDIR = (1 << 0), - LUSTRE_OPC_SYMLINK = (1 << 1), - LUSTRE_OPC_MKNOD = (1 << 2), - LUSTRE_OPC_CREATE = (1 << 3), - LUSTRE_OPC_ANY = (1 << 4) -}; - /* lmv structures */ -#define MEA_MAGIC_LAST_CHAR 0xb2221ca1 -#define MEA_MAGIC_ALL_CHARS 0xb222a11c -#define MEA_MAGIC_HASH_SEGMENT 0xb222a11b - -#define MAX_HASH_SIZE_32 0x7fffffffUL -#define MAX_HASH_SIZE 0x7fffffffffffffffULL -#define MAX_HASH_HIGHEST_BIT 0x1000000000000000ULL - struct lustre_md { struct mdt_body *body; struct lov_stripe_md *lsm; - struct lmv_stripe_md *mea; + struct lmv_stripe_md *lmv; #ifdef CONFIG_FS_POSIX_ACL struct posix_acl *posix_acl; #endif @@ -1045,12 +951,11 @@ struct md_open_data { }; struct lookup_intent; +struct cl_attr; struct md_ops { int (*getstatus)(struct obd_export *, struct lu_fid *); int (*null_inode)(struct obd_export *, const struct lu_fid *); - int (*find_cbdata)(struct obd_export *, const struct lu_fid *, - ldlm_iterator_t, void *); int (*close)(struct obd_export *, struct md_op_data *, struct md_open_data *, struct ptlrpc_request **); int (*create)(struct obd_export *, struct md_op_data *, @@ -1059,15 +964,15 @@ struct md_ops { int (*done_writing)(struct obd_export *, struct md_op_data *, struct md_open_data *); int (*enqueue)(struct obd_export *, struct ldlm_enqueue_info *, + const ldlm_policy_data_t *, struct lookup_intent *, struct md_op_data *, - struct lustre_handle *, void *, int, - struct ptlrpc_request **, __u64); + struct lustre_handle *, __u64); int (*getattr)(struct obd_export *, struct md_op_data *, struct ptlrpc_request **); int (*getattr_name)(struct obd_export *, struct md_op_data *, struct ptlrpc_request **); int (*intent_lock)(struct obd_export *, struct md_op_data *, - void *, int, struct lookup_intent *, int, + struct lookup_intent *, struct ptlrpc_request **, ldlm_blocking_callback, __u64); int (*link)(struct obd_export *, struct md_op_data *, @@ -1075,17 +980,14 @@ struct md_ops { int (*rename)(struct obd_export *, struct md_op_data *, const char *, int, const char *, int, struct ptlrpc_request **); - int (*is_subdir)(struct obd_export *, const struct lu_fid *, - const struct lu_fid *, - struct ptlrpc_request **); int (*setattr)(struct obd_export *, struct md_op_data *, void *, int, void *, int, struct ptlrpc_request **, struct md_open_data **mod); int (*sync)(struct obd_export *, const struct lu_fid *, struct ptlrpc_request **); - int (*readpage)(struct obd_export *, struct md_op_data *, - struct page **, struct ptlrpc_request **); - + int (*read_page)(struct obd_export *, struct md_op_data *, + struct md_callback *cb_op, __u64 hash_offset, + struct page **ppage); int (*unlink)(struct obd_export *, struct md_op_data *, struct ptlrpc_request **); @@ -1105,12 +1007,20 @@ struct md_ops { int (*free_lustre_md)(struct obd_export *, struct lustre_md *); + int (*merge_attr)(struct obd_export *, + const struct lmv_stripe_md *lsm, + struct cl_attr *attr); + + int (*update_lsm_md)(struct obd_export *, struct lmv_stripe_md *lsm, + struct mdt_body *, ldlm_blocking_callback); + int (*set_open_replay_data)(struct obd_export *, struct obd_client_handle *, struct lookup_intent *); int (*clear_open_replay_data)(struct obd_export *, struct obd_client_handle *); - int (*set_lock_data)(struct obd_export *, __u64 *, void *, __u64 *); + int (*set_lock_data)(struct obd_export *, const struct lustre_handle *, + void *, __u64 *); enum ldlm_mode (*lock_match)(struct obd_export *, __u64, const struct lu_fid *, enum ldlm_type, @@ -1121,6 +1031,11 @@ struct md_ops { ldlm_policy_data_t *, enum ldlm_mode, enum ldlm_cancel_flags flags, void *opaque); + int (*get_fid_from_lsm)(struct obd_export *, + const struct lmv_stripe_md *, + const char *name, int namelen, + struct lu_fid *fid); + int (*intent_getattr_async)(struct obd_export *, struct md_enqueue_info *, struct ldlm_enqueue_info *); @@ -1164,10 +1079,6 @@ static inline const struct lsm_operations *lsm_op_find(int magic) } } -/* Requests for obd_extent_calc() */ -#define OBD_CALC_STRIPE_START 1 -#define OBD_CALC_STRIPE_END 2 - static inline struct md_open_data *obd_mod_alloc(void) { struct md_open_data *mod; @@ -1259,4 +1170,28 @@ static inline int cli_brw_size(struct obd_device *obd) return obd->u.cli.cl_max_pages_per_rpc << PAGE_SHIFT; } +/* + * when RPC size or the max RPCs in flight is increased, the max dirty pages + * of the client should be increased accordingly to avoid sending fragmented + * RPCs over the network when the client runs out of the maximum dirty space + * when so many RPCs are being generated. + */ +static inline void client_adjust_max_dirty(struct client_obd *cli) +{ + /* initializing */ + if (cli->cl_dirty_max_pages <= 0) + cli->cl_dirty_max_pages = + (OSC_MAX_DIRTY_DEFAULT * 1024 * 1024) >> PAGE_SHIFT; + else { + long dirty_max = cli->cl_max_rpcs_in_flight * + cli->cl_max_pages_per_rpc; + + if (dirty_max > cli->cl_dirty_max_pages) + cli->cl_dirty_max_pages = dirty_max; + } + + if (cli->cl_dirty_max_pages > totalram_pages / 8) + cli->cl_dirty_max_pages = totalram_pages / 8; +} + #endif /* __OBD_H */ diff --git a/drivers/staging/lustre/lustre/include/obd_class.h b/drivers/staging/lustre/lustre/include/obd_class.h index 6482a937000b..9702ad49dd48 100644 --- a/drivers/staging/lustre/lustre/include/obd_class.h +++ b/drivers/staging/lustre/lustre/include/obd_class.h @@ -56,7 +56,6 @@ #define OBD_STATFS_FOR_MDT0 0x0008 /* The statfs is only for retrieving * information from MDT0. */ -#define OBD_FL_PUNCH 0x00000001 /* To indicate it is punch operation */ /* OBD Device Declarations */ extern struct obd_device *obd_devs[MAX_OBD_DEVICES]; @@ -97,6 +96,11 @@ int obd_zombie_impexp_init(void); void obd_zombie_impexp_stop(void); void obd_zombie_barrier(void); +int obd_get_request_slot(struct client_obd *cli); +void obd_put_request_slot(struct client_obd *cli); +__u32 obd_get_max_rpcs_in_flight(struct client_obd *cli); +int obd_set_max_rpcs_in_flight(struct client_obd *cli, __u32 max); + struct llog_handle; struct llog_rec_hdr; typedef int (*llog_cb_t)(const struct lu_env *, struct llog_handle *, @@ -265,10 +269,10 @@ static inline int lprocfs_climp_check(struct obd_device *obd) struct inode; struct lu_attr; struct obdo; -void obdo_refresh_inode(struct inode *dst, struct obdo *src, u32 valid); +void obdo_refresh_inode(struct inode *dst, const struct obdo *src, u32 valid); -void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj); -void md_from_obdo(struct md_op_data *op_data, struct obdo *oa, u32 valid); +void obdo_to_ioobj(const struct obdo *oa, struct obd_ioobj *ioobj); +void md_from_obdo(struct md_op_data *op_data, const struct obdo *oa, u32 valid); #define OBT(dev) (dev)->obd_type #define OBP(dev, op) (dev)->obd_type->typ_dt_ops->op @@ -925,7 +929,8 @@ static inline int obd_fid_fini(struct obd_device *obd) return rc; } -static inline int obd_fid_alloc(struct obd_export *exp, +static inline int obd_fid_alloc(const struct lu_env *env, + struct obd_export *exp, struct lu_fid *fid, struct md_op_data *op_data) { @@ -934,7 +939,7 @@ static inline int obd_fid_alloc(struct obd_export *exp, EXP_CHECK_DT_OP(exp, fid_alloc); EXP_COUNTER_INCREMENT(exp, fid_alloc); - rc = OBP(exp->exp_obd, fid_alloc)(exp, fid, op_data); + rc = OBP(exp->exp_obd, fid_alloc)(env, exp, fid, op_data); return rc; } @@ -1172,19 +1177,6 @@ static inline int obd_iocontrol(unsigned int cmd, struct obd_export *exp, return rc; } -static inline int obd_find_cbdata(struct obd_export *exp, - struct lov_stripe_md *lsm, - ldlm_iterator_t it, void *data) -{ - int rc; - - EXP_CHECK_DT_OP(exp, find_cbdata); - EXP_COUNTER_INCREMENT(exp, find_cbdata); - - rc = OBP(exp->exp_obd, find_cbdata)(exp, lsm, it, data); - return rc; -} - static inline void obd_import_event(struct obd_device *obd, struct obd_import *imp, enum obd_import_event event) @@ -1210,12 +1202,7 @@ static inline int obd_notify(struct obd_device *obd, if (rc) return rc; - /* the check for async_recov is a complete hack - I'm hereby - * overloading the meaning to also mean "this was called from - * mds_postsetup". I know that my mds is able to handle notifies - * by this point, and it needs to get them to execute mds_postrecov. - */ - if (!obd->obd_set_up && !obd->obd_async_recov) { + if (!obd->obd_set_up) { CDEBUG(D_HA, "obd %s not set up\n", obd->obd_name); return -EINVAL; } @@ -1358,18 +1345,6 @@ static inline int md_null_inode(struct obd_export *exp, return rc; } -static inline int md_find_cbdata(struct obd_export *exp, - const struct lu_fid *fid, - ldlm_iterator_t it, void *data) -{ - int rc; - - EXP_CHECK_MD_OP(exp, find_cbdata); - EXP_MD_COUNTER_INCREMENT(exp, find_cbdata); - rc = MDP(exp->exp_obd, find_cbdata)(exp, fid, it, data); - return rc; -} - static inline int md_close(struct obd_export *exp, struct md_op_data *op_data, struct md_open_data *mod, struct ptlrpc_request **request) @@ -1410,19 +1385,18 @@ static inline int md_done_writing(struct obd_export *exp, static inline int md_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo, + const ldlm_policy_data_t *policy, struct lookup_intent *it, struct md_op_data *op_data, struct lustre_handle *lockh, - void *lmm, int lmmsize, - struct ptlrpc_request **req, __u64 extra_lock_flags) { int rc; EXP_CHECK_MD_OP(exp, enqueue); EXP_MD_COUNTER_INCREMENT(exp, enqueue); - rc = MDP(exp->exp_obd, enqueue)(exp, einfo, it, op_data, lockh, - lmm, lmmsize, req, extra_lock_flags); + rc = MDP(exp->exp_obd, enqueue)(exp, einfo, policy, it, op_data, lockh, + extra_lock_flags); return rc; } @@ -1439,9 +1413,9 @@ static inline int md_getattr_name(struct obd_export *exp, } static inline int md_intent_lock(struct obd_export *exp, - struct md_op_data *op_data, void *lmm, - int lmmsize, struct lookup_intent *it, - int lookup_flags, struct ptlrpc_request **reqp, + struct md_op_data *op_data, + struct lookup_intent *it, + struct ptlrpc_request **reqp, ldlm_blocking_callback cb_blocking, __u64 extra_lock_flags) { @@ -1449,9 +1423,8 @@ static inline int md_intent_lock(struct obd_export *exp, EXP_CHECK_MD_OP(exp, intent_lock); EXP_MD_COUNTER_INCREMENT(exp, intent_lock); - rc = MDP(exp->exp_obd, intent_lock)(exp, op_data, lmm, lmmsize, - it, lookup_flags, reqp, cb_blocking, - extra_lock_flags); + rc = MDP(exp->exp_obd, intent_lock)(exp, op_data, it, reqp, + cb_blocking, extra_lock_flags); return rc; } @@ -1479,19 +1452,6 @@ static inline int md_rename(struct obd_export *exp, struct md_op_data *op_data, return rc; } -static inline int md_is_subdir(struct obd_export *exp, - const struct lu_fid *pfid, - const struct lu_fid *cfid, - struct ptlrpc_request **request) -{ - int rc; - - EXP_CHECK_MD_OP(exp, is_subdir); - EXP_MD_COUNTER_INCREMENT(exp, is_subdir); - rc = MDP(exp->exp_obd, is_subdir)(exp, pfid, cfid, request); - return rc; -} - static inline int md_setattr(struct obd_export *exp, struct md_op_data *op_data, void *ea, int ealen, void *ea2, int ea2len, struct ptlrpc_request **request, @@ -1517,15 +1477,18 @@ static inline int md_sync(struct obd_export *exp, const struct lu_fid *fid, return rc; } -static inline int md_readpage(struct obd_export *exp, struct md_op_data *opdata, - struct page **pages, - struct ptlrpc_request **request) +static inline int md_read_page(struct obd_export *exp, + struct md_op_data *op_data, + struct md_callback *cb_op, + __u64 hash_offset, + struct page **ppage) { int rc; - EXP_CHECK_MD_OP(exp, readpage); - EXP_MD_COUNTER_INCREMENT(exp, readpage); - rc = MDP(exp->exp_obd, readpage)(exp, opdata, pages, request); + EXP_CHECK_MD_OP(exp, read_page); + EXP_MD_COUNTER_INCREMENT(exp, read_page); + rc = MDP(exp->exp_obd, read_page)(exp, op_data, cb_op, hash_offset, + ppage); return rc; } @@ -1559,6 +1522,25 @@ static inline int md_free_lustre_md(struct obd_export *exp, return MDP(exp->exp_obd, free_lustre_md)(exp, md); } +static inline int md_update_lsm_md(struct obd_export *exp, + struct lmv_stripe_md *lsm, + struct mdt_body *body, + ldlm_blocking_callback cb) +{ + EXP_CHECK_MD_OP(exp, update_lsm_md); + EXP_MD_COUNTER_INCREMENT(exp, update_lsm_md); + return MDP(exp->exp_obd, update_lsm_md)(exp, lsm, body, cb); +} + +static inline int md_merge_attr(struct obd_export *exp, + const struct lmv_stripe_md *lsm, + struct cl_attr *attr) +{ + EXP_CHECK_MD_OP(exp, merge_attr); + EXP_MD_COUNTER_INCREMENT(exp, merge_attr); + return MDP(exp->exp_obd, merge_attr)(exp, lsm, attr); +} + static inline int md_setxattr(struct obd_export *exp, const struct lu_fid *fid, u64 valid, const char *name, const char *input, int input_size, @@ -1603,7 +1585,8 @@ static inline int md_clear_open_replay_data(struct obd_export *exp, } static inline int md_set_lock_data(struct obd_export *exp, - __u64 *lockh, void *data, __u64 *bits) + const struct lustre_handle *lockh, + void *data, __u64 *bits) { EXP_CHECK_MD_OP(exp, set_lock_data); EXP_MD_COUNTER_INCREMENT(exp, set_lock_data); @@ -1674,6 +1657,19 @@ static inline int md_revalidate_lock(struct obd_export *exp, return rc; } +static inline int md_get_fid_from_lsm(struct obd_export *exp, + const struct lmv_stripe_md *lsm, + const char *name, int namelen, + struct lu_fid *fid) +{ + int rc; + + EXP_CHECK_MD_OP(exp, get_fid_from_lsm); + EXP_MD_COUNTER_INCREMENT(exp, get_fid_from_lsm); + rc = MDP(exp->exp_obd, get_fid_from_lsm)(exp, lsm, name, namelen, fid); + return rc; +} + /* OBD Metadata Support */ int obd_init_caches(void); @@ -1682,16 +1678,6 @@ void obd_cleanup_caches(void); /* support routines */ extern struct kmem_cache *obdo_cachep; -static inline void obdo2fid(struct obdo *oa, struct lu_fid *fid) -{ - /* something here */ -} - -static inline void fid2obdo(struct lu_fid *fid, struct obdo *oa) -{ - /* something here */ -} - typedef int (*register_lwp_cb)(void *data); struct lwp_register_item { @@ -1734,4 +1720,13 @@ extern spinlock_t obd_types_lock; /* prng.c */ #define ll_generate_random_uuid(uuid_out) cfs_get_random_bytes(uuid_out, sizeof(class_uuid_t)) +/* root squash info */ +struct rw_semaphore; +struct root_squash_info { + uid_t rsi_uid; + gid_t rsi_gid; + struct list_head rsi_nosquash_nids; + struct rw_semaphore rsi_sem; +}; + #endif /* __LINUX_OBD_CLASS_H */ diff --git a/drivers/staging/lustre/lustre/include/obd_support.h b/drivers/staging/lustre/lustre/include/obd_support.h index 845e64a56c21..4d7a5c8dfe9a 100644 --- a/drivers/staging/lustre/lustre/include/obd_support.h +++ b/drivers/staging/lustre/lustre/include/obd_support.h @@ -52,9 +52,7 @@ extern unsigned int at_max; extern unsigned int at_history; extern int at_early_margin; extern int at_extra; -extern unsigned int obd_sync_filter; extern unsigned int obd_max_dirty_pages; -extern atomic_t obd_unstable_pages; extern atomic_t obd_dirty_pages; extern atomic_t obd_dirty_transit_pages; extern char obd_jobid_var[]; @@ -117,17 +115,17 @@ extern char obd_jobid_var[]; * running on a backup server. (If it's too low, import_select_connection * will increase the timeout anyhow.) */ -#define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN, obd_timeout/20) +#define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN, obd_timeout / 20) /* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */ #define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \ INITIAL_CONNECT_TIMEOUT) /* The min time a target should wait for clients to reconnect in recovery */ -#define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX) +#define OBD_RECOVERY_TIME_MIN (2 * RECONNECT_DELAY_MAX) #define OBD_IR_FACTOR_MIN 1 #define OBD_IR_FACTOR_MAX 10 -#define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2) +#define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX / 2) /* default timeout for the MGS to become IR_FULL */ -#define OBD_IR_MGS_TIMEOUT (4*obd_timeout) +#define OBD_IR_MGS_TIMEOUT (4 * obd_timeout) #define LONG_UNLINK 300 /* Unlink should happen before now */ /** @@ -318,6 +316,10 @@ extern char obd_jobid_var[]; #define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b #define OBD_FAIL_LDLM_OST_LVB 0x31c #define OBD_FAIL_LDLM_ENQUEUE_HANG 0x31d +#define OBD_FAIL_LDLM_CP_CB_WAIT2 0x320 +#define OBD_FAIL_LDLM_CP_CB_WAIT3 0x321 +#define OBD_FAIL_LDLM_CP_CB_WAIT4 0x322 +#define OBD_FAIL_LDLM_CP_CB_WAIT5 0x323 /* LOCKLESS IO */ #define OBD_FAIL_LDLM_SET_CONTENTION 0x385 @@ -400,6 +402,7 @@ extern char obd_jobid_var[]; #define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803 #define OBD_FAIL_MDC_RPCS_SEM 0x804 #define OBD_FAIL_MDC_LIGHTWEIGHT 0x805 +#define OBD_FAIL_MDC_CLOSE 0x806 #define OBD_FAIL_MGS 0x900 #define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901 @@ -455,6 +458,7 @@ extern char obd_jobid_var[]; #define OBD_FAIL_LOV_INIT 0x1403 #define OBD_FAIL_GLIMPSE_DELAY 0x1404 #define OBD_FAIL_LLITE_XATTR_ENOMEM 0x1405 +#define OBD_FAIL_GETATTR_DELAY 0x1409 #define OBD_FAIL_FID_INDIR 0x1501 #define OBD_FAIL_FID_INLMA 0x1502 @@ -474,11 +478,15 @@ extern char obd_jobid_var[]; #define OBD_FAIL_LFSCK_CRASH 0x160a #define OBD_FAIL_LFSCK_NO_AUTO 0x160b #define OBD_FAIL_LFSCK_NO_DOUBLESCAN 0x160c +#define OBD_FAIL_LFSCK_INVALID_PFID 0x1619 /* UPDATE */ #define OBD_FAIL_UPDATE_OBJ_NET 0x1700 #define OBD_FAIL_UPDATE_OBJ_NET_REP 0x1701 +/* LMV */ +#define OBD_FAIL_UNKNOWN_LMV_STRIPE 0x1901 + /* Assign references to moved code to reduce code changes */ #define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id) #define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id) @@ -520,7 +528,8 @@ do { \ POISON_PTR(ptr); \ } while (0) -#define KEY_IS(str) \ - (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0) +#define KEY_IS(str) \ + (keylen >= (sizeof(str) - 1) && \ + memcmp(key, str, (sizeof(str) - 1)) == 0) #endif diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c b/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c index f5023d9b78f5..ecf472e4813d 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c @@ -221,7 +221,7 @@ void ldlm_extent_unlink_lock(struct ldlm_lock *lock) } void ldlm_extent_policy_wire_to_local(const ldlm_wire_policy_data_t *wpolicy, - ldlm_policy_data_t *lpolicy) + ldlm_policy_data_t *lpolicy) { memset(lpolicy, 0, sizeof(*lpolicy)); lpolicy->l_extent.start = wpolicy->l_extent.start; @@ -230,7 +230,7 @@ void ldlm_extent_policy_wire_to_local(const ldlm_wire_policy_data_t *wpolicy, } void ldlm_extent_policy_local_to_wire(const ldlm_policy_data_t *lpolicy, - ldlm_wire_policy_data_t *wpolicy) + ldlm_wire_policy_data_t *wpolicy) { memset(wpolicy, 0, sizeof(*wpolicy)); wpolicy->l_extent.start = lpolicy->l_extent.start; diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c index d6b61bc39135..78a84509fe76 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c @@ -97,7 +97,7 @@ ldlm_flock_destroy(struct ldlm_lock *lock, enum ldlm_mode mode, __u64 flags) LASSERT(hlist_unhashed(&lock->l_exp_flock_hash)); list_del_init(&lock->l_res_link); - if (flags == LDLM_FL_WAIT_NOREPROC && !ldlm_is_failed(lock)) { + if (flags == LDLM_FL_WAIT_NOREPROC) { /* client side - set a flag to prevent sending a CANCEL */ lock->l_flags |= LDLM_FL_LOCAL_ONLY | LDLM_FL_CBPENDING; @@ -166,7 +166,7 @@ reprocess: */ list_for_each(tmp, &res->lr_granted) { lock = list_entry(tmp, struct ldlm_lock, - l_res_link); + l_res_link); if (ldlm_same_flock_owner(lock, req)) { ownlocks = tmp; break; @@ -182,7 +182,7 @@ reprocess: */ list_for_each(tmp, &res->lr_granted) { lock = list_entry(tmp, struct ldlm_lock, - l_res_link); + l_res_link); if (ldlm_same_flock_owner(lock, req)) { if (!ownlocks) @@ -339,10 +339,10 @@ reprocess: lock->l_granted_mode, &null_cbs, NULL, 0, LVB_T_NONE); lock_res_and_lock(req); - if (!new2) { + if (IS_ERR(new2)) { ldlm_flock_destroy(req, lock->l_granted_mode, *flags); - *err = -ENOLCK; + *err = PTR_ERR(new2); return LDLM_ITER_STOP; } goto reprocess; @@ -455,27 +455,21 @@ ldlm_flock_completion_ast(struct ldlm_lock *lock, __u64 flags, void *data) enum ldlm_error err; int rc = 0; + OBD_FAIL_TIMEOUT(OBD_FAIL_LDLM_CP_CB_WAIT2, 4); + if (OBD_FAIL_PRECHECK(OBD_FAIL_LDLM_CP_CB_WAIT3)) { + lock_res_and_lock(lock); + lock->l_flags |= LDLM_FL_FAIL_LOC; + unlock_res_and_lock(lock); + OBD_FAIL_TIMEOUT(OBD_FAIL_LDLM_CP_CB_WAIT3, 4); + } CDEBUG(D_DLMTRACE, "flags: 0x%llx data: %p getlk: %p\n", flags, data, getlk); - /* Import invalidation. We need to actually release the lock - * references being held, so that it can go away. No point in - * holding the lock even if app still believes it has it, since - * server already dropped it anyway. Only for granted locks too. - */ - if ((lock->l_flags & (LDLM_FL_FAILED|LDLM_FL_LOCAL_ONLY)) == - (LDLM_FL_FAILED|LDLM_FL_LOCAL_ONLY)) { - if (lock->l_req_mode == lock->l_granted_mode && - lock->l_granted_mode != LCK_NL && !data) - ldlm_lock_decref_internal(lock, lock->l_req_mode); - - /* Need to wake up the waiter if we were evicted */ - wake_up(&lock->l_waitq); - return 0; - } - LASSERT(flags != LDLM_FL_WAIT_NOREPROC); + if (flags & LDLM_FL_FAILED) + goto granted; + if (!(flags & (LDLM_FL_BLOCK_WAIT | LDLM_FL_BLOCK_GRANTED | LDLM_FL_BLOCK_CONV))) { if (!data) @@ -514,12 +508,21 @@ ldlm_flock_completion_ast(struct ldlm_lock *lock, __u64 flags, void *data) granted: OBD_FAIL_TIMEOUT(OBD_FAIL_LDLM_CP_CB_WAIT, 10); - if (ldlm_is_failed(lock)) { - LDLM_DEBUG(lock, "client-side enqueue waking up: failed"); - return -EIO; + if (OBD_FAIL_PRECHECK(OBD_FAIL_LDLM_CP_CB_WAIT4)) { + lock_res_and_lock(lock); + /* DEADLOCK is always set with CBPENDING */ + lock->l_flags |= LDLM_FL_FLOCK_DEADLOCK | LDLM_FL_CBPENDING; + unlock_res_and_lock(lock); + OBD_FAIL_TIMEOUT(OBD_FAIL_LDLM_CP_CB_WAIT4, 4); + } + if (OBD_FAIL_PRECHECK(OBD_FAIL_LDLM_CP_CB_WAIT5)) { + lock_res_and_lock(lock); + /* DEADLOCK is always set with CBPENDING */ + lock->l_flags |= LDLM_FL_FAIL_LOC | + LDLM_FL_FLOCK_DEADLOCK | LDLM_FL_CBPENDING; + unlock_res_and_lock(lock); + OBD_FAIL_TIMEOUT(OBD_FAIL_LDLM_CP_CB_WAIT5, 4); } - - LDLM_DEBUG(lock, "client-side enqueue granted"); lock_res_and_lock(lock); @@ -530,20 +533,59 @@ granted: if (ldlm_is_destroyed(lock)) { unlock_res_and_lock(lock); LDLM_DEBUG(lock, "client-side enqueue waking up: destroyed"); - return 0; + /* + * An error is still to be returned, to propagate it up to + * ldlm_cli_enqueue_fini() caller. + */ + return -EIO; } /* ldlm_lock_enqueue() has already placed lock on the granted list. */ - list_del_init(&lock->l_res_link); + ldlm_resource_unlink_lock(lock); + + /* + * Import invalidation. We need to actually release the lock + * references being held, so that it can go away. No point in + * holding the lock even if app still believes it has it, since + * server already dropped it anyway. Only for granted locks too. + */ + /* Do the same for DEADLOCK'ed locks. */ + if (ldlm_is_failed(lock) || ldlm_is_flock_deadlock(lock)) { + int mode; + + if (flags & LDLM_FL_TEST_LOCK) + LASSERT(ldlm_is_test_lock(lock)); + + if (ldlm_is_test_lock(lock) || ldlm_is_flock_deadlock(lock)) + mode = getlk->fl_type; + else + mode = lock->l_granted_mode; + + if (ldlm_is_flock_deadlock(lock)) { + LDLM_DEBUG(lock, "client-side enqueue deadlock received"); + rc = -EDEADLK; + } + ldlm_flock_destroy(lock, mode, LDLM_FL_WAIT_NOREPROC); + unlock_res_and_lock(lock); + + /* Need to wake up the waiter if we were evicted */ + wake_up(&lock->l_waitq); + + /* + * An error is still to be returned, to propagate it up to + * ldlm_cli_enqueue_fini() caller. + */ + return rc ? : -EIO; + } + + LDLM_DEBUG(lock, "client-side enqueue granted"); - if (ldlm_is_flock_deadlock(lock)) { - LDLM_DEBUG(lock, "client-side enqueue deadlock received"); - rc = -EDEADLK; - } else if (flags & LDLM_FL_TEST_LOCK) { + if (flags & LDLM_FL_TEST_LOCK) { /* fcntl(F_GETLK) request */ /* The old mode was saved in getlk->fl_type so that if the mode * in the lock changes we can decref the appropriate refcount. */ + LASSERT(ldlm_is_test_lock(lock)); ldlm_flock_destroy(lock, getlk->fl_type, LDLM_FL_WAIT_NOREPROC); switch (lock->l_granted_mode) { case LCK_PR: diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h b/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h index e4cf65d2d3b1..dc0e4af59931 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h @@ -100,8 +100,8 @@ enum { int ldlm_cancel_lru(struct ldlm_namespace *ns, int nr, enum ldlm_cancel_flags sync, int flags); int ldlm_cancel_lru_local(struct ldlm_namespace *ns, - struct list_head *cancels, int count, int max, - enum ldlm_cancel_flags cancel_flags, int flags); + struct list_head *cancels, int count, int max, + enum ldlm_cancel_flags cancel_flags, int flags); extern int ldlm_enqueue_min; /* ldlm_resource.c */ @@ -200,8 +200,7 @@ ldlm_interval_extent(struct ldlm_interval *node) LASSERT(!list_empty(&node->li_group)); - lock = list_entry(node->li_group.next, struct ldlm_lock, - l_sl_policy); + lock = list_entry(node->li_group.next, struct ldlm_lock, l_sl_policy); return &lock->l_policy_data.l_extent; } @@ -302,7 +301,7 @@ static inline int is_granted_or_cancelled(struct ldlm_lock *lock) lock_res_and_lock(lock); if ((lock->l_req_mode == lock->l_granted_mode) && - !ldlm_is_cp_reqd(lock)) + !ldlm_is_cp_reqd(lock)) ret = 1; else if (ldlm_is_failed(lock) || ldlm_is_cancel(lock)) ret = 1; @@ -326,13 +325,13 @@ void ldlm_ibits_policy_wire_to_local(const ldlm_wire_policy_data_t *wpolicy, void ldlm_ibits_policy_local_to_wire(const ldlm_policy_data_t *lpolicy, ldlm_wire_policy_data_t *wpolicy); void ldlm_extent_policy_wire_to_local(const ldlm_wire_policy_data_t *wpolicy, - ldlm_policy_data_t *lpolicy); + ldlm_policy_data_t *lpolicy); void ldlm_extent_policy_local_to_wire(const ldlm_policy_data_t *lpolicy, - ldlm_wire_policy_data_t *wpolicy); + ldlm_wire_policy_data_t *wpolicy); void ldlm_flock_policy_wire18_to_local(const ldlm_wire_policy_data_t *wpolicy, - ldlm_policy_data_t *lpolicy); + ldlm_policy_data_t *lpolicy); void ldlm_flock_policy_wire21_to_local(const ldlm_wire_policy_data_t *wpolicy, - ldlm_policy_data_t *lpolicy); + ldlm_policy_data_t *lpolicy); void ldlm_flock_policy_local_to_wire(const ldlm_policy_data_t *lpolicy, ldlm_wire_policy_data_t *wpolicy); diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c index 7c832aae7d5e..0d466e22bf57 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c @@ -82,7 +82,7 @@ static int import_set_conn(struct obd_import *imp, struct obd_uuid *uuid, if (priority) { list_del(&item->oic_item); list_add(&item->oic_item, - &imp->imp_conn_list); + &imp->imp_conn_list); item->oic_last_attempt = 0; } CDEBUG(D_HA, "imp %p@%s: found existing conn %s%s\n", @@ -102,7 +102,7 @@ static int import_set_conn(struct obd_import *imp, struct obd_uuid *uuid, list_add(&imp_conn->oic_item, &imp->imp_conn_list); else list_add_tail(&imp_conn->oic_item, - &imp->imp_conn_list); + &imp->imp_conn_list); CDEBUG(D_HA, "imp %p@%s: add connection %s at %s\n", imp, imp->imp_obd->obd_name, uuid->uuid, (priority ? "head" : "tail")); @@ -299,12 +299,14 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg) min_t(unsigned int, LUSTRE_CFG_BUFLEN(lcfg, 2), sizeof(server_uuid))); - cli->cl_dirty = 0; + cli->cl_dirty_pages = 0; cli->cl_avail_grant = 0; - /* FIXME: Should limit this for the sum of all cl_dirty_max. */ - cli->cl_dirty_max = OSC_MAX_DIRTY_DEFAULT * 1024 * 1024; - if (cli->cl_dirty_max >> PAGE_SHIFT > totalram_pages / 8) - cli->cl_dirty_max = totalram_pages << (PAGE_SHIFT - 3); + /* FIXME: Should limit this for the sum of all cl_dirty_max_pages. */ + /* + * cl_dirty_max_pages may be changed at connect time in + * ptlrpc_connect_interpret(). + */ + client_adjust_max_dirty(cli); INIT_LIST_HEAD(&cli->cl_cache_waiters); INIT_LIST_HEAD(&cli->cl_loi_ready_list); INIT_LIST_HEAD(&cli->cl_loi_hp_ready_list); @@ -360,7 +362,7 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg) cli->cl_chunkbits = PAGE_SHIFT; if (!strcmp(name, LUSTRE_MDC_NAME)) { - cli->cl_max_rpcs_in_flight = MDC_MAX_RIF_DEFAULT; + cli->cl_max_rpcs_in_flight = OBD_MAX_RIF_DEFAULT; } else if (totalram_pages >> (20 - PAGE_SHIFT) <= 128 /* MB */) { cli->cl_max_rpcs_in_flight = 2; } else if (totalram_pages >> (20 - PAGE_SHIFT) <= 256 /* MB */) { @@ -368,7 +370,7 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg) } else if (totalram_pages >> (20 - PAGE_SHIFT) <= 512 /* MB */) { cli->cl_max_rpcs_in_flight = 4; } else { - cli->cl_max_rpcs_in_flight = OSC_MAX_RIF_DEFAULT; + cli->cl_max_rpcs_in_flight = OBD_MAX_RIF_DEFAULT; } rc = ldlm_get_ref(); if (rc) { @@ -690,7 +692,7 @@ void target_send_reply(struct ptlrpc_request *req, int rc, int fail_id) if (rs->rs_transno > exp->exp_last_committed) { /* not committed already */ list_add_tail(&rs->rs_obd_list, - &exp->exp_uncommitted_replies); + &exp->exp_uncommitted_replies); } spin_unlock(&exp->exp_uncommitted_replies_lock); @@ -795,7 +797,7 @@ void ldlm_dump_export_locks(struct obd_export *exp) CERROR("dumping locks for export %p,ignore if the unmount doesn't hang\n", exp); list_for_each_entry(lock, &exp->exp_locks_list, - l_exp_refs_link) + l_exp_refs_link) LDLM_ERROR(lock, "lock:"); } spin_unlock(&exp->exp_locks_list_guard); diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c index a5993f745ebe..55b746044b92 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c @@ -481,8 +481,8 @@ int ldlm_lock_change_resource(struct ldlm_namespace *ns, struct ldlm_lock *lock, unlock_res_and_lock(lock); newres = ldlm_resource_get(ns, NULL, new_resid, type, 1); - if (!newres) - return -ENOMEM; + if (IS_ERR(newres)) + return PTR_ERR(newres); lu_ref_add(&newres->lr_reference, "lock", lock); /* @@ -542,7 +542,7 @@ struct ldlm_lock *__ldlm_handle2lock(const struct lustre_handle *handle, LASSERT(handle); - lock = class_handle2object(handle->cookie); + lock = class_handle2object(handle->cookie, NULL); if (!lock) return NULL; @@ -937,7 +937,7 @@ static void search_granted_lock(struct list_head *queue, /* go to next policy group within mode group */ tmp = policy_end->l_res_link.next; lock = list_entry(tmp, struct ldlm_lock, - l_res_link); + l_res_link); } /* loop over policy groups within the mode group */ /* insert point is last lock of the mode group, @@ -1028,15 +1028,28 @@ void ldlm_grant_lock(struct ldlm_lock *lock, struct list_head *work_list) check_res_locked(res); lock->l_granted_mode = lock->l_req_mode; + + if (work_list && lock->l_completion_ast) + ldlm_add_ast_work_item(lock, NULL, work_list); + if (res->lr_type == LDLM_PLAIN || res->lr_type == LDLM_IBITS) ldlm_grant_lock_with_skiplist(lock); else if (res->lr_type == LDLM_EXTENT) ldlm_extent_add_lock(res, lock); - else + else if (res->lr_type == LDLM_FLOCK) { + /* + * We should not add locks to granted list in the following cases: + * - this is an UNLOCK but not a real lock; + * - this is a TEST lock; + * - this is a F_CANCELLK lock (async flock has req_mode == 0) + * - this is a deadlock (flock cannot be granted) + */ + if (!lock->l_req_mode || lock->l_req_mode == LCK_NL || + ldlm_is_test_lock(lock) || ldlm_is_flock_deadlock(lock)) + return; ldlm_resource_add_lock(res, &res->lr_granted, lock); - - if (work_list && lock->l_completion_ast) - ldlm_add_ast_work_item(lock, NULL, work_list); + } else + LBUG(); ldlm_pool_add(&ldlm_res_to_ns(res)->ns_pool, lock); } @@ -1103,7 +1116,7 @@ static struct ldlm_lock *search_queue(struct list_head *queue, * of bits. */ if (lock->l_resource->lr_type == LDLM_IBITS && - ((lock->l_policy_data.l_inodebits.bits & + ((lock->l_policy_data.l_inodebits.bits & policy->l_inodebits.bits) != policy->l_inodebits.bits)) continue; @@ -1214,7 +1227,7 @@ enum ldlm_mode ldlm_lock_match(struct ldlm_namespace *ns, __u64 flags, } res = ldlm_resource_get(ns, NULL, res_id, type, 0); - if (!res) { + if (IS_ERR(res)) { LASSERT(!old_lock); return 0; } @@ -1363,12 +1376,12 @@ int ldlm_fill_lvb(struct ldlm_lock *lock, struct req_capsule *pill, if (size == sizeof(struct ost_lvb)) { if (loc == RCL_CLIENT) lvb = req_capsule_client_swab_get(pill, - &RMF_DLM_LVB, - lustre_swab_ost_lvb); + &RMF_DLM_LVB, + lustre_swab_ost_lvb); else lvb = req_capsule_server_swab_get(pill, - &RMF_DLM_LVB, - lustre_swab_ost_lvb); + &RMF_DLM_LVB, + lustre_swab_ost_lvb); if (unlikely(!lvb)) { LDLM_ERROR(lock, "no LVB"); return -EPROTO; @@ -1380,8 +1393,8 @@ int ldlm_fill_lvb(struct ldlm_lock *lock, struct req_capsule *pill, if (loc == RCL_CLIENT) lvb = req_capsule_client_swab_get(pill, - &RMF_DLM_LVB, - lustre_swab_ost_lvb_v1); + &RMF_DLM_LVB, + lustre_swab_ost_lvb_v1); else lvb = req_capsule_server_sized_swab_get(pill, &RMF_DLM_LVB, size, @@ -1405,12 +1418,12 @@ int ldlm_fill_lvb(struct ldlm_lock *lock, struct req_capsule *pill, if (size == sizeof(struct lquota_lvb)) { if (loc == RCL_CLIENT) lvb = req_capsule_client_swab_get(pill, - &RMF_DLM_LVB, - lustre_swab_lquota_lvb); + &RMF_DLM_LVB, + lustre_swab_lquota_lvb); else lvb = req_capsule_server_swab_get(pill, - &RMF_DLM_LVB, - lustre_swab_lquota_lvb); + &RMF_DLM_LVB, + lustre_swab_lquota_lvb); if (unlikely(!lvb)) { LDLM_ERROR(lock, "no LVB"); return -EPROTO; @@ -1462,15 +1475,15 @@ struct ldlm_lock *ldlm_lock_create(struct ldlm_namespace *ns, { struct ldlm_lock *lock; struct ldlm_resource *res; + int rc; res = ldlm_resource_get(ns, NULL, res_id, type, 1); - if (!res) - return NULL; + if (IS_ERR(res)) + return ERR_CAST(res); lock = ldlm_lock_new(res); - if (!lock) - return NULL; + return ERR_PTR(-ENOMEM); lock->l_req_mode = mode; lock->l_ast_data = data; @@ -1484,27 +1497,33 @@ struct ldlm_lock *ldlm_lock_create(struct ldlm_namespace *ns, lock->l_tree_node = NULL; /* if this is the extent lock, allocate the interval tree node */ if (type == LDLM_EXTENT) { - if (!ldlm_interval_alloc(lock)) + if (!ldlm_interval_alloc(lock)) { + rc = -ENOMEM; goto out; + } } if (lvb_len) { lock->l_lvb_len = lvb_len; lock->l_lvb_data = kzalloc(lvb_len, GFP_NOFS); - if (!lock->l_lvb_data) + if (!lock->l_lvb_data) { + rc = -ENOMEM; goto out; + } } lock->l_lvb_type = lvb_type; - if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_NEW_LOCK)) + if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_NEW_LOCK)) { + rc = -ENOENT; goto out; + } return lock; out: ldlm_lock_destroy(lock); LDLM_LOCK_RELEASE(lock); - return NULL; + return ERR_PTR(rc); } /** @@ -1546,6 +1565,8 @@ enum ldlm_error ldlm_lock_enqueue(struct ldlm_namespace *ns, */ if (*flags & LDLM_FL_AST_DISCARD_DATA) ldlm_set_ast_discard_data(lock); + if (*flags & LDLM_FL_TEST_LOCK) + ldlm_set_test_lock(lock); /* * This distinction between local lock trees is very important; a client @@ -1688,7 +1709,7 @@ static int ldlm_work_gl_ast_lock(struct ptlrpc_request_set *rqset, void *opaq) return -ENOENT; gl_work = list_entry(arg->list->next, struct ldlm_glimpse_work, - gl_list); + gl_list); list_del_init(&gl_work->gl_list); lock = gl_work->gl_lock; diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c index 821939ff2e6b..b91b26d9dd53 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c @@ -706,12 +706,12 @@ static struct ldlm_bl_work_item *ldlm_bl_get_work(struct ldlm_bl_pool *blp) if (!list_empty(&blp->blp_list) && (list_empty(&blp->blp_prio_list) || num_bl == 0)) blwi = list_entry(blp->blp_list.next, - struct ldlm_bl_work_item, blwi_entry); + struct ldlm_bl_work_item, blwi_entry); else if (!list_empty(&blp->blp_prio_list)) blwi = list_entry(blp->blp_prio_list.next, - struct ldlm_bl_work_item, - blwi_entry); + struct ldlm_bl_work_item, + blwi_entry); if (blwi) { if (++num_bl >= atomic_read(&blp->blp_num_threads)) @@ -741,7 +741,7 @@ static int ldlm_bl_thread_start(struct ldlm_bl_pool *blp) init_completion(&bltd.bltd_comp); bltd.bltd_num = atomic_read(&blp->blp_num_threads); snprintf(bltd.bltd_name, sizeof(bltd.bltd_name), - "ldlm_bl_%02d", bltd.bltd_num); + "ldlm_bl_%02d", bltd.bltd_num); task = kthread_run(ldlm_bl_thread_main, &bltd, "%s", bltd.bltd_name); if (IS_ERR(task)) { CERROR("cannot start LDLM thread ldlm_bl_%02d: rc %ld\n", @@ -786,8 +786,8 @@ static int ldlm_bl_thread_main(void *arg) if (!blwi) { atomic_dec(&blp->blp_busy_threads); l_wait_event_exclusive(blp->blp_waitq, - (blwi = ldlm_bl_get_work(blp)), - &lwi); + (blwi = ldlm_bl_get_work(blp)), + &lwi); busy = atomic_inc_return(&blp->blp_busy_threads); } else { busy = atomic_read(&blp->blp_busy_threads); @@ -1094,16 +1094,17 @@ int ldlm_init(void) return -ENOMEM; ldlm_lock_slab = kmem_cache_create("ldlm_locks", - sizeof(struct ldlm_lock), 0, - SLAB_HWCACHE_ALIGN | SLAB_DESTROY_BY_RCU, NULL); + sizeof(struct ldlm_lock), 0, + SLAB_HWCACHE_ALIGN | + SLAB_DESTROY_BY_RCU, NULL); if (!ldlm_lock_slab) { kmem_cache_destroy(ldlm_resource_slab); return -ENOMEM; } ldlm_interval_slab = kmem_cache_create("interval_node", - sizeof(struct ldlm_interval), - 0, SLAB_HWCACHE_ALIGN, NULL); + sizeof(struct ldlm_interval), + 0, SLAB_HWCACHE_ALIGN, NULL); if (!ldlm_interval_slab) { kmem_cache_destroy(ldlm_resource_slab); kmem_cache_destroy(ldlm_lock_slab); diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c b/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c index 657ed4012776..2fc319ef061c 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c @@ -995,7 +995,7 @@ static int ldlm_pools_thread_main(void *arg) wake_up(&thread->t_ctl_waitq); CDEBUG(D_DLMTRACE, "%s: pool thread starting, process %d\n", - "ldlm_poold", current_pid()); + "ldlm_poold", current_pid()); while (1) { struct l_wait_info lwi; @@ -1025,7 +1025,7 @@ static int ldlm_pools_thread_main(void *arg) wake_up(&thread->t_ctl_waitq); CDEBUG(D_DLMTRACE, "%s: pool thread exiting, process %d\n", - "ldlm_poold", current_pid()); + "ldlm_poold", current_pid()); complete_and_exit(&ldlm_pools_comp, 0); } diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c index af487f9937f4..1dc8d21d1e20 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c @@ -309,8 +309,6 @@ static void failed_lock_cleanup(struct ldlm_namespace *ns, else LDLM_DEBUG(lock, "lock was granted or failed in race"); - ldlm_lock_decref_internal(lock, mode); - /* XXX - HACK because we shouldn't call ldlm_lock_destroy() * from llite/file.c/ll_file_flock(). */ @@ -321,9 +319,14 @@ static void failed_lock_cleanup(struct ldlm_namespace *ns, */ if (lock->l_resource->lr_type == LDLM_FLOCK) { lock_res_and_lock(lock); - ldlm_resource_unlink_lock(lock); - ldlm_lock_destroy_nolock(lock); + if (!ldlm_is_destroyed(lock)) { + ldlm_resource_unlink_lock(lock); + ldlm_lock_decref_internal_nolock(lock, mode); + ldlm_lock_destroy_nolock(lock); + } unlock_res_and_lock(lock); + } else { + ldlm_lock_decref_internal(lock, mode); } } @@ -418,11 +421,6 @@ int ldlm_cli_enqueue_fini(struct obd_export *exp, struct ptlrpc_request *req, *flags = ldlm_flags_from_wire(reply->lock_flags); lock->l_flags |= ldlm_flags_from_wire(reply->lock_flags & LDLM_FL_INHERIT_MASK); - /* move NO_TIMEOUT flag to the lock to force ldlm_lock_match() - * to wait with no timeout as well - */ - lock->l_flags |= ldlm_flags_from_wire(reply->lock_flags & - LDLM_FL_NO_TIMEOUT); unlock_res_and_lock(lock); CDEBUG(D_INFO, "local: %p, remote cookie: %#llx, flags: 0x%llx\n", @@ -696,8 +694,8 @@ int ldlm_cli_enqueue(struct obd_export *exp, struct ptlrpc_request **reqp, lock = ldlm_lock_create(ns, res_id, einfo->ei_type, einfo->ei_mode, &cbs, einfo->ei_cbdata, lvb_len, lvb_type); - if (!lock) - return -ENOMEM; + if (IS_ERR(lock)) + return PTR_ERR(lock); /* for the local lock, add the reference */ ldlm_lock_addref_internal(lock, einfo->ei_mode); ldlm_lock2handle(lock, lockh); @@ -819,7 +817,7 @@ static __u64 ldlm_cli_cancel_local(struct ldlm_lock *lock) lock_res_and_lock(lock); ldlm_set_cbpending(lock); local_only = !!(lock->l_flags & - (LDLM_FL_LOCAL_ONLY|LDLM_FL_CANCEL_ON_BLOCK)); + (LDLM_FL_LOCAL_ONLY | LDLM_FL_CANCEL_ON_BLOCK)); ldlm_cancel_callback(lock); rc = ldlm_is_bl_ast(lock) ? LDLM_FL_BL_AST : LDLM_FL_CANCELING; unlock_res_and_lock(lock); @@ -1180,8 +1178,7 @@ static enum ldlm_policy_res ldlm_cancel_lrur_policy(struct ldlm_namespace *ns, slv = ldlm_pool_get_slv(pl); lvf = ldlm_pool_get_lvf(pl); - la = cfs_duration_sec(cfs_time_sub(cur, - lock->l_last_used)); + la = cfs_duration_sec(cfs_time_sub(cur, lock->l_last_used)); lv = lvf * la * unused; /* Inform pool about current CLV to see it via debugfs. */ @@ -1374,7 +1371,7 @@ static int ldlm_prepare_lru_list(struct ldlm_namespace *ns, break; list_for_each_entry_safe(lock, next, &ns->ns_unused_list, - l_lru) { + l_lru) { /* No locks which got blocking requests. */ LASSERT(!ldlm_is_bl_ast(lock)); @@ -1610,8 +1607,7 @@ int ldlm_cli_cancel_list(struct list_head *cancels, int count, */ while (count > 0) { LASSERT(!list_empty(cancels)); - lock = list_entry(cancels->next, struct ldlm_lock, - l_bl_ast); + lock = list_entry(cancels->next, struct ldlm_lock, l_bl_ast); LASSERT(lock->l_conn_export); if (exp_connect_cancelset(lock->l_conn_export)) { @@ -1660,7 +1656,7 @@ int ldlm_cli_cancel_unused_resource(struct ldlm_namespace *ns, int rc; res = ldlm_resource_get(ns, NULL, res_id, 0, 0); - if (!res) { + if (IS_ERR(res)) { /* This is not a problem. */ CDEBUG(D_INFO, "No resource %llu\n", res_id->name[0]); return 0; @@ -1811,13 +1807,10 @@ int ldlm_resource_iterate(struct ldlm_namespace *ns, struct ldlm_resource *res; int rc; - if (!ns) { - CERROR("must pass in namespace\n"); - LBUG(); - } + LASSERTF(ns, "must pass in namespace\n"); res = ldlm_resource_get(ns, NULL, res_id, 0, 0); - if (!res) + if (IS_ERR(res)) return 0; LDLM_RESOURCE_ADDREF(res); @@ -1843,7 +1836,7 @@ static int ldlm_chain_lock_for_replay(struct ldlm_lock *lock, void *closure) * bug 17614: locks being actively cancelled. Get a reference * on a lock so that it does not disappear under us (e.g. due to cancel) */ - if (!(lock->l_flags & (LDLM_FL_FAILED|LDLM_FL_CANCELING))) { + if (!(lock->l_flags & (LDLM_FL_FAILED | LDLM_FL_CANCELING))) { list_add(&lock->l_pending_chain, list); LDLM_LOCK_GET(lock); } @@ -2013,7 +2006,7 @@ static void ldlm_cancel_unused_locks_for_replay(struct ldlm_namespace *ns) LCF_LOCAL, LDLM_CANCEL_NO_WAIT); CDEBUG(D_DLMTRACE, "Canceled %d unused locks from namespace %s\n", - canceled, ldlm_ns_name(ns)); + canceled, ldlm_ns_name(ns)); } int ldlm_replay_locks(struct obd_import *imp) diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c b/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c index 51a28d96af39..e2c25876c7ce 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c @@ -758,8 +758,7 @@ static void cleanup_resource(struct ldlm_resource *res, struct list_head *q, */ lock_res(res); list_for_each(tmp, q) { - lock = list_entry(tmp, struct ldlm_lock, - l_res_link); + lock = list_entry(tmp, struct ldlm_lock, l_res_link); if (ldlm_is_cleaned(lock)) { lock = NULL; continue; @@ -793,8 +792,14 @@ static void cleanup_resource(struct ldlm_resource *res, struct list_head *q, */ unlock_res(res); LDLM_DEBUG(lock, "setting FL_LOCAL_ONLY"); + if (lock->l_flags & LDLM_FL_FAIL_LOC) { + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(cfs_time_seconds(4)); + set_current_state(TASK_RUNNING); + } if (lock->l_completion_ast) - lock->l_completion_ast(lock, 0, NULL); + lock->l_completion_ast(lock, LDLM_FL_FAILED, + NULL); LDLM_LOCK_RELEASE(lock); continue; } @@ -1082,7 +1087,7 @@ ldlm_resource_get(struct ldlm_namespace *ns, struct ldlm_resource *parent, int create) { struct hlist_node *hnode; - struct ldlm_resource *res; + struct ldlm_resource *res = NULL; struct cfs_hash_bd bd; __u64 version; int ns_refcount = 0; @@ -1095,31 +1100,20 @@ ldlm_resource_get(struct ldlm_namespace *ns, struct ldlm_resource *parent, hnode = cfs_hash_bd_lookup_locked(ns->ns_rs_hash, &bd, (void *)name); if (hnode) { cfs_hash_bd_unlock(ns->ns_rs_hash, &bd, 0); - res = hlist_entry(hnode, struct ldlm_resource, lr_hash); - /* Synchronize with regard to resource creation. */ - if (ns->ns_lvbo && ns->ns_lvbo->lvbo_init) { - mutex_lock(&res->lr_lvb_mutex); - mutex_unlock(&res->lr_lvb_mutex); - } - - if (unlikely(res->lr_lvb_len < 0)) { - ldlm_resource_putref(res); - res = NULL; - } - return res; + goto lvbo_init; } version = cfs_hash_bd_version_get(&bd); cfs_hash_bd_unlock(ns->ns_rs_hash, &bd, 0); if (create == 0) - return NULL; + return ERR_PTR(-ENOENT); LASSERTF(type >= LDLM_MIN_TYPE && type < LDLM_MAX_TYPE, "type: %d\n", type); res = ldlm_resource_new(); if (!res) - return NULL; + return ERR_PTR(-ENOMEM); res->lr_ns_bucket = cfs_hash_bd_extra_get(ns->ns_rs_hash, &bd); res->lr_name = *name; @@ -1137,7 +1131,7 @@ ldlm_resource_get(struct ldlm_namespace *ns, struct ldlm_resource *parent, /* We have taken lr_lvb_mutex. Drop it. */ mutex_unlock(&res->lr_lvb_mutex); kmem_cache_free(ldlm_resource_slab, res); - +lvbo_init: res = hlist_entry(hnode, struct ldlm_resource, lr_hash); /* Synchronize with regard to resource creation. */ if (ns->ns_lvbo && ns->ns_lvbo->lvbo_init) { @@ -1147,7 +1141,7 @@ ldlm_resource_get(struct ldlm_namespace *ns, struct ldlm_resource *parent, if (unlikely(res->lr_lvb_len < 0)) { ldlm_resource_putref(res); - res = NULL; + res = ERR_PTR(res->lr_lvb_len); } return res; } @@ -1169,7 +1163,7 @@ ldlm_resource_get(struct ldlm_namespace *ns, struct ldlm_resource *parent, res->lr_lvb_len = rc; mutex_unlock(&res->lr_lvb_mutex); ldlm_resource_putref(res); - return NULL; + return ERR_PTR(rc); } } @@ -1386,7 +1380,7 @@ void ldlm_resource_dump(int level, struct ldlm_resource *res) if (!list_empty(&res->lr_granted)) { CDEBUG(level, "Granted locks (in reverse order):\n"); list_for_each_entry_reverse(lock, &res->lr_granted, - l_res_link) { + l_res_link) { LDLM_DEBUG_LIMIT(level, lock, "###"); if (!(level & D_CANTMASK) && ++granted > ldlm_dump_granted_max) { diff --git a/drivers/staging/lustre/lustre/llite/dcache.c b/drivers/staging/lustre/lustre/llite/dcache.c index 463b1a360733..f4b6f3824608 100644 --- a/drivers/staging/lustre/lustre/llite/dcache.c +++ b/drivers/staging/lustre/lustre/llite/dcache.c @@ -102,39 +102,6 @@ static int ll_dcompare(const struct dentry *dentry, return 0; } -static inline int return_if_equal(struct ldlm_lock *lock, void *data) -{ - return (ldlm_is_canceling(lock) && ldlm_is_discard_data(lock)) ? - LDLM_ITER_CONTINUE : LDLM_ITER_STOP; -} - -/* find any ldlm lock of the inode in mdc and lov - * return 0 not find - * 1 find one - * < 0 error - */ -static int find_cbdata(struct inode *inode) -{ - struct ll_sb_info *sbi = ll_i2sbi(inode); - struct lov_stripe_md *lsm; - int rc = 0; - - LASSERT(inode); - rc = md_find_cbdata(sbi->ll_md_exp, ll_inode2fid(inode), - return_if_equal, NULL); - if (rc != 0) - return rc; - - lsm = ccc_inode_lsm_get(inode); - if (!lsm) - return rc; - - rc = obd_find_cbdata(sbi->ll_dt_exp, lsm, return_if_equal, NULL); - ccc_inode_lsm_put(inode, lsm); - - return rc; -} - /** * Called when last reference to a dentry is dropped and dcache wants to know * whether or not it should cache it: @@ -155,19 +122,6 @@ static int ll_ddelete(const struct dentry *de) /* kernel >= 2.6.38 last refcount is decreased after this function. */ LASSERT(d_count(de) == 1); - /* Disable this piece of code temporarily because this is called - * inside dcache_lock so it's not appropriate to do lots of work - * here. ATTENTION: Before this piece of code enabling, LU-2487 must be - * resolved. - */ -#if 0 - /* if not ldlm lock for this inode, set i_nlink to 0 so that - * this inode can be recycled later b=20433 - */ - if (d_really_is_positive(de) && !find_cbdata(d_inode(de))) - clear_nlink(d_inode(de)); -#endif - if (d_lustre_invalid((struct dentry *)de)) return 1; return 0; @@ -347,18 +301,9 @@ static int ll_revalidate_nd(struct dentry *dentry, unsigned int flags) return ll_revalidate_dentry(dentry, flags); } -static void ll_d_iput(struct dentry *de, struct inode *inode) -{ - LASSERT(inode); - if (!find_cbdata(inode)) - clear_nlink(inode); - iput(inode); -} - const struct dentry_operations ll_d_ops = { .d_revalidate = ll_revalidate_nd, .d_release = ll_release, .d_delete = ll_ddelete, - .d_iput = ll_d_iput, .d_compare = ll_dcompare, }; diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c index 5b381779c827..532047b478d1 100644 --- a/drivers/staging/lustre/lustre/llite/dir.c +++ b/drivers/staging/lustre/lustre/llite/dir.c @@ -46,8 +46,8 @@ #include "../include/obd_support.h" #include "../include/obd_class.h" +#include "../include/lustre/lustre_ioctl.h" #include "../include/lustre_lib.h" -#include "../include/lustre/lustre_idl.h" #include "../include/lustre_lite.h" #include "../include/lustre_dlm.h" #include "../include/lustre_fid.h" @@ -134,111 +134,35 @@ * for this integrated page will be adjusted. See lmv_adjust_dirpages(). * */ - -/* returns the page unlocked, but with a reference */ -static int ll_dir_filler(void *_hash, struct page *page0) +struct page *ll_get_dir_page(struct inode *dir, struct md_op_data *op_data, + __u64 offset, struct ll_dir_chain *chain) { - struct inode *inode = page0->mapping->host; - int hash64 = ll_i2sbi(inode)->ll_flags & LL_SBI_64BIT_HASH; - struct obd_export *exp = ll_i2sbi(inode)->ll_md_exp; - struct ptlrpc_request *request; - struct mdt_body *body; - struct md_op_data *op_data; - __u64 hash = *((__u64 *)_hash); - struct page **page_pool; + struct md_callback cb_op; struct page *page; - struct lu_dirpage *dp; - int max_pages = ll_i2sbi(inode)->ll_md_brw_size >> PAGE_SHIFT; - int nrdpgs = 0; /* number of pages read actually */ - int npages; - int i; int rc; - CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p) hash %llu\n", - PFID(ll_inode2fid(inode)), inode, hash); - - LASSERT(max_pages > 0 && max_pages <= MD_MAX_BRW_PAGES); - - op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0, - LUSTRE_OPC_ANY, NULL); - if (IS_ERR(op_data)) - return PTR_ERR(op_data); - - page_pool = kcalloc(max_pages, sizeof(page), GFP_NOFS); - if (page_pool) { - page_pool[0] = page0; - } else { - page_pool = &page0; - max_pages = 1; - } - for (npages = 1; npages < max_pages; npages++) { - page = page_cache_alloc_cold(inode->i_mapping); - if (!page) - break; - page_pool[npages] = page; - } - - op_data->op_npages = npages; - op_data->op_offset = hash; - rc = md_readpage(exp, op_data, page_pool, &request); - ll_finish_md_op_data(op_data); - if (rc < 0) { - /* page0 is special, which was added into page cache early */ - delete_from_page_cache(page0); - } else if (rc == 0) { - body = req_capsule_server_get(&request->rq_pill, &RMF_MDT_BODY); - /* Checked by mdc_readpage() */ - if (body->valid & OBD_MD_FLSIZE) - i_size_write(inode, body->size); - - nrdpgs = (request->rq_bulk->bd_nob_transferred+PAGE_SIZE-1) - >> PAGE_SHIFT; - SetPageUptodate(page0); - } - unlock_page(page0); - ptlrpc_req_finished(request); - - CDEBUG(D_VFSTRACE, "read %d/%d pages\n", nrdpgs, npages); - - for (i = 1; i < npages; i++) { - unsigned long offset; - int ret; - - page = page_pool[i]; - - if (rc < 0 || i >= nrdpgs) { - put_page(page); - continue; - } - - SetPageUptodate(page); - - dp = kmap(page); - hash = le64_to_cpu(dp->ldp_hash_start); - kunmap(page); - - offset = hash_x_index(hash, hash64); - - prefetchw(&page->flags); - ret = add_to_page_cache_lru(page, inode->i_mapping, offset, - GFP_NOFS); - if (ret == 0) { - unlock_page(page); - } else { - CDEBUG(D_VFSTRACE, "page %lu add to page cache failed: %d\n", - offset, ret); - } - put_page(page); - } + cb_op.md_blocking_ast = ll_md_blocking_ast; + rc = md_read_page(ll_i2mdexp(dir), op_data, &cb_op, offset, &page); + if (rc) + return ERR_PTR(rc); - if (page_pool != &page0) - kfree(page_pool); - return rc; + return page; } -void ll_release_page(struct page *page, int remove) +void ll_release_page(struct inode *inode, struct page *page, bool remove) { kunmap(page); + + /* + * Always remove the page for striped dir, because the page is + * built from temporarily in LMV layer + */ + if (inode && S_ISDIR(inode->i_mode) && + ll_i2info(inode)->lli_lsm_md) { + __free_page(page); + return; + } + if (remove) { lock_page(page); if (likely(page->mapping)) @@ -248,225 +172,6 @@ void ll_release_page(struct page *page, int remove) put_page(page); } -/* - * Find, kmap and return page that contains given hash. - */ -static struct page *ll_dir_page_locate(struct inode *dir, __u64 *hash, - __u64 *start, __u64 *end) -{ - int hash64 = ll_i2sbi(dir)->ll_flags & LL_SBI_64BIT_HASH; - struct address_space *mapping = dir->i_mapping; - /* - * Complement of hash is used as an index so that - * radix_tree_gang_lookup() can be used to find a page with starting - * hash _smaller_ than one we are looking for. - */ - unsigned long offset = hash_x_index(*hash, hash64); - struct page *page; - int found; - - spin_lock_irq(&mapping->tree_lock); - found = radix_tree_gang_lookup(&mapping->page_tree, - (void **)&page, offset, 1); - if (found > 0 && !radix_tree_exceptional_entry(page)) { - struct lu_dirpage *dp; - - get_page(page); - spin_unlock_irq(&mapping->tree_lock); - /* - * In contrast to find_lock_page() we are sure that directory - * page cannot be truncated (while DLM lock is held) and, - * hence, can avoid restart. - * - * In fact, page cannot be locked here at all, because - * ll_dir_filler() does synchronous io. - */ - wait_on_page_locked(page); - if (PageUptodate(page)) { - dp = kmap(page); - if (BITS_PER_LONG == 32 && hash64) { - *start = le64_to_cpu(dp->ldp_hash_start) >> 32; - *end = le64_to_cpu(dp->ldp_hash_end) >> 32; - *hash = *hash >> 32; - } else { - *start = le64_to_cpu(dp->ldp_hash_start); - *end = le64_to_cpu(dp->ldp_hash_end); - } - LASSERTF(*start <= *hash, "start = %#llx,end = %#llx,hash = %#llx\n", - *start, *end, *hash); - CDEBUG(D_VFSTRACE, "page %lu [%llu %llu], hash %llu\n", - offset, *start, *end, *hash); - if (*hash > *end) { - ll_release_page(page, 0); - page = NULL; - } else if (*end != *start && *hash == *end) { - /* - * upon hash collision, remove this page, - * otherwise put page reference, and - * ll_get_dir_page() will issue RPC to fetch - * the page we want. - */ - ll_release_page(page, - le32_to_cpu(dp->ldp_flags) & LDF_COLLIDE); - page = NULL; - } - } else { - put_page(page); - page = ERR_PTR(-EIO); - } - - } else { - spin_unlock_irq(&mapping->tree_lock); - page = NULL; - } - return page; -} - -struct page *ll_get_dir_page(struct inode *dir, __u64 hash, - struct ll_dir_chain *chain) -{ - ldlm_policy_data_t policy = {.l_inodebits = {MDS_INODELOCK_UPDATE} }; - struct address_space *mapping = dir->i_mapping; - struct lustre_handle lockh; - struct lu_dirpage *dp; - struct page *page; - enum ldlm_mode mode; - int rc; - __u64 start = 0; - __u64 end = 0; - __u64 lhash = hash; - struct ll_inode_info *lli = ll_i2info(dir); - int hash64 = ll_i2sbi(dir)->ll_flags & LL_SBI_64BIT_HASH; - - mode = LCK_PR; - rc = md_lock_match(ll_i2sbi(dir)->ll_md_exp, LDLM_FL_BLOCK_GRANTED, - ll_inode2fid(dir), LDLM_IBITS, &policy, mode, &lockh); - if (!rc) { - struct ldlm_enqueue_info einfo = { - .ei_type = LDLM_IBITS, - .ei_mode = mode, - .ei_cb_bl = ll_md_blocking_ast, - .ei_cb_cp = ldlm_completion_ast, - }; - struct lookup_intent it = { .it_op = IT_READDIR }; - struct ptlrpc_request *request; - struct md_op_data *op_data; - - op_data = ll_prep_md_op_data(NULL, dir, dir, NULL, 0, 0, - LUSTRE_OPC_ANY, NULL); - if (IS_ERR(op_data)) - return (void *)op_data; - - rc = md_enqueue(ll_i2sbi(dir)->ll_md_exp, &einfo, &it, - op_data, &lockh, NULL, 0, NULL, 0); - - ll_finish_md_op_data(op_data); - - request = (struct ptlrpc_request *)it.it_request; - if (request) - ptlrpc_req_finished(request); - if (rc < 0) { - CERROR("lock enqueue: " DFID " at %llu: rc %d\n", - PFID(ll_inode2fid(dir)), hash, rc); - return ERR_PTR(rc); - } - - CDEBUG(D_INODE, "setting lr_lvb_inode to inode "DFID"(%p)\n", - PFID(ll_inode2fid(dir)), dir); - md_set_lock_data(ll_i2sbi(dir)->ll_md_exp, - &it.it_lock_handle, dir, NULL); - } else { - /* for cross-ref object, l_ast_data of the lock may not be set, - * we reset it here - */ - md_set_lock_data(ll_i2sbi(dir)->ll_md_exp, &lockh.cookie, - dir, NULL); - } - ldlm_lock_dump_handle(D_OTHER, &lockh); - - mutex_lock(&lli->lli_readdir_mutex); - page = ll_dir_page_locate(dir, &lhash, &start, &end); - if (IS_ERR(page)) { - CERROR("dir page locate: "DFID" at %llu: rc %ld\n", - PFID(ll_inode2fid(dir)), lhash, PTR_ERR(page)); - goto out_unlock; - } else if (page) { - /* - * XXX nikita: not entirely correct handling of a corner case: - * suppose hash chain of entries with hash value HASH crosses - * border between pages P0 and P1. First both P0 and P1 are - * cached, seekdir() is called for some entry from the P0 part - * of the chain. Later P0 goes out of cache. telldir(HASH) - * happens and finds P1, as it starts with matching hash - * value. Remaining entries from P0 part of the chain are - * skipped. (Is that really a bug?) - * - * Possible solutions: 0. don't cache P1 is such case, handle - * it as an "overflow" page. 1. invalidate all pages at - * once. 2. use HASH|1 as an index for P1. - */ - goto hash_collision; - } - - page = read_cache_page(mapping, hash_x_index(hash, hash64), - ll_dir_filler, &lhash); - if (IS_ERR(page)) { - CERROR("read cache page: "DFID" at %llu: rc %ld\n", - PFID(ll_inode2fid(dir)), hash, PTR_ERR(page)); - goto out_unlock; - } - - wait_on_page_locked(page); - (void)kmap(page); - if (!PageUptodate(page)) { - CERROR("page not updated: "DFID" at %llu: rc %d\n", - PFID(ll_inode2fid(dir)), hash, -5); - goto fail; - } - if (!PageChecked(page)) - /* XXX: check page format later */ - SetPageChecked(page); - if (PageError(page)) { - CERROR("page error: "DFID" at %llu: rc %d\n", - PFID(ll_inode2fid(dir)), hash, -5); - goto fail; - } -hash_collision: - dp = page_address(page); - if (BITS_PER_LONG == 32 && hash64) { - start = le64_to_cpu(dp->ldp_hash_start) >> 32; - end = le64_to_cpu(dp->ldp_hash_end) >> 32; - lhash = hash >> 32; - } else { - start = le64_to_cpu(dp->ldp_hash_start); - end = le64_to_cpu(dp->ldp_hash_end); - lhash = hash; - } - if (end == start) { - LASSERT(start == lhash); - CWARN("Page-wide hash collision: %llu\n", end); - if (BITS_PER_LONG == 32 && hash64) - CWARN("Real page-wide hash collision at [%llu %llu] with hash %llu\n", - le64_to_cpu(dp->ldp_hash_start), - le64_to_cpu(dp->ldp_hash_end), hash); - /* - * Fetch whole overflow chain... - * - * XXX not yet. - */ - goto fail; - } -out_unlock: - mutex_unlock(&lli->lli_readdir_mutex); - ldlm_lock_decref(&lockh, mode); - return page; - -fail: - ll_release_page(page, 1); - page = ERR_PTR(-EIO); - goto out_unlock; -} - /** * return IF_* type for given lu_dirent entry. * IF_* flag shld be converted to particular OS file type in @@ -489,114 +194,100 @@ static __u16 ll_dirent_type_get(struct lu_dirent *ent) return type; } -int ll_dir_read(struct inode *inode, struct dir_context *ctx) +int ll_dir_read(struct inode *inode, __u64 *ppos, struct md_op_data *op_data, + struct dir_context *ctx) { - struct ll_inode_info *info = ll_i2info(inode); struct ll_sb_info *sbi = ll_i2sbi(inode); - __u64 pos = ctx->pos; - int api32 = ll_need_32bit_api(sbi); - int hash64 = sbi->ll_flags & LL_SBI_64BIT_HASH; + __u64 pos = *ppos; + int is_api32 = ll_need_32bit_api(sbi); + int is_hash64 = sbi->ll_flags & LL_SBI_64BIT_HASH; struct page *page; struct ll_dir_chain chain; - int done = 0; + bool done = false; int rc = 0; ll_dir_chain_init(&chain); - page = ll_get_dir_page(inode, pos, &chain); + page = ll_get_dir_page(inode, op_data, pos, &chain); while (rc == 0 && !done) { struct lu_dirpage *dp; struct lu_dirent *ent; + __u64 hash; + __u64 next; - if (!IS_ERR(page)) { - /* - * If page is empty (end of directory is reached), - * use this value. - */ - __u64 hash = MDS_DIR_END_OFF; - __u64 next; - - dp = page_address(page); - for (ent = lu_dirent_start(dp); ent && !done; - ent = lu_dirent_next(ent)) { - __u16 type; - int namelen; - struct lu_fid fid; - __u64 lhash; - __u64 ino; + if (IS_ERR(page)) { + rc = PTR_ERR(page); + break; + } + hash = MDS_DIR_END_OFF; + dp = page_address(page); + for (ent = lu_dirent_start(dp); ent && !done; + ent = lu_dirent_next(ent)) { + __u16 type; + int namelen; + struct lu_fid fid; + __u64 lhash; + __u64 ino; + + hash = le64_to_cpu(ent->lde_hash); + if (hash < pos) /* - * XXX: implement correct swabbing here. + * Skip until we find target hash + * value. */ + continue; - hash = le64_to_cpu(ent->lde_hash); - if (hash < pos) - /* - * Skip until we find target hash - * value. - */ - continue; - - namelen = le16_to_cpu(ent->lde_namelen); - if (namelen == 0) - /* - * Skip dummy record. - */ - continue; - - if (api32 && hash64) - lhash = hash >> 32; - else - lhash = hash; - fid_le_to_cpu(&fid, &ent->lde_fid); - ino = cl_fid_build_ino(&fid, api32); - type = ll_dirent_type_get(ent); - ctx->pos = lhash; - /* For 'll_nfs_get_name_filldir()', it will try - * to access the 'ent' through its 'lde_name', - * so the parameter 'name' for 'ctx->actor()' - * must be part of the 'ent'. + namelen = le16_to_cpu(ent->lde_namelen); + if (namelen == 0) + /* + * Skip dummy record. */ - done = !dir_emit(ctx, ent->lde_name, - namelen, ino, type); - } - next = le64_to_cpu(dp->ldp_hash_end); - if (!done) { - pos = next; - if (pos == MDS_DIR_END_OFF) { - /* - * End of directory reached. - */ - done = 1; - ll_release_page(page, 0); - } else if (1 /* chain is exhausted*/) { - /* - * Normal case: continue to the next - * page. - */ - ll_release_page(page, - le32_to_cpu(dp->ldp_flags) & - LDF_COLLIDE); - next = pos; - page = ll_get_dir_page(inode, pos, - &chain); - } else { - /* - * go into overflow page. - */ - LASSERT(le32_to_cpu(dp->ldp_flags) & - LDF_COLLIDE); - ll_release_page(page, 1); - } - } else { - pos = hash; - ll_release_page(page, 0); - } + continue; + + if (is_api32 && is_hash64) + lhash = hash >> 32; + else + lhash = hash; + fid_le_to_cpu(&fid, &ent->lde_fid); + ino = cl_fid_build_ino(&fid, is_api32); + type = ll_dirent_type_get(ent); + ctx->pos = lhash; + /* For 'll_nfs_get_name_filldir()', it will try + * to access the 'ent' through its 'lde_name', + * so the parameter 'name' for 'ctx->actor()' + * must be part of the 'ent'. + */ + done = !dir_emit(ctx, ent->lde_name, + namelen, ino, type); + } + + if (done) { + pos = hash; + ll_release_page(inode, page, false); + break; + } + + next = le64_to_cpu(dp->ldp_hash_end); + pos = next; + if (pos == MDS_DIR_END_OFF) { + /* + * End of directory reached. + */ + done = 1; + ll_release_page(inode, page, false); } else { - rc = PTR_ERR(page); - CERROR("error reading dir "DFID" at %lu: rc %d\n", - PFID(&info->lli_fid), (unsigned long)pos, rc); + /* + * Normal case: continue to the next + * page. + */ + ll_release_page(inode, page, + le32_to_cpu(dp->ldp_flags) & + LDF_COLLIDE); + next = pos; + page = ll_get_dir_page(inode, op_data, pos, + &chain); } } @@ -613,9 +304,10 @@ static int ll_readdir(struct file *filp, struct dir_context *ctx) __u64 pos = lfd ? lfd->lfd_pos : 0; int hash64 = sbi->ll_flags & LL_SBI_64BIT_HASH; int api32 = ll_need_32bit_api(sbi); + struct md_op_data *op_data; int rc; - CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p) pos %lu/%llu 32bit_api %d\n", + CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p) pos/size %lu/%llu 32bit_api %d\n", PFID(ll_inode2fid(inode)), inode, (unsigned long)pos, i_size_read(inode), api32); @@ -627,19 +319,58 @@ static int ll_readdir(struct file *filp, struct dir_context *ctx) goto out; } + op_data = ll_prep_md_op_data(NULL, inode, inode, NULL, 0, 0, + LUSTRE_OPC_ANY, inode); + if (IS_ERR(op_data)) { + rc = PTR_ERR(op_data); + goto out; + } + + if (unlikely(op_data->op_mea1)) { + /* + * This is only needed for striped dir to fill .., + * see lmv_read_page + */ + if (file_dentry(filp)->d_parent && + file_dentry(filp)->d_parent->d_inode) { + __u64 ibits = MDS_INODELOCK_UPDATE; + struct inode *parent; + + parent = file_dentry(filp)->d_parent->d_inode; + if (ll_have_md_lock(parent, &ibits, LCK_MINMODE)) + op_data->op_fid3 = *ll_inode2fid(parent); + } + + /* + * If it can not find in cache, do lookup .. on the master + * object + */ + if (fid_is_zero(&op_data->op_fid3)) { + rc = ll_dir_get_parent_fid(inode, &op_data->op_fid3); + if (rc) { + ll_finish_md_op_data(op_data); + return rc; + } + } + } + op_data->op_max_pages = sbi->ll_md_brw_pages; ctx->pos = pos; - rc = ll_dir_read(inode, ctx); + rc = ll_dir_read(inode, &pos, op_data, ctx); + pos = ctx->pos; if (lfd) - lfd->lfd_pos = ctx->pos; - if (ctx->pos == MDS_DIR_END_OFF) { + lfd->lfd_pos = pos; + + if (pos == MDS_DIR_END_OFF) { if (api32) - ctx->pos = LL_DIR_END_OFF_32BIT; + pos = LL_DIR_END_OFF_32BIT; else - ctx->pos = LL_DIR_END_OFF; + pos = LL_DIR_END_OFF; } else { if (api32 && hash64) - ctx->pos >>= 32; + pos >>= 32; } + ctx->pos = pos; + ll_finish_md_op_data(op_data); filp->f_version = inode->i_version; out: @@ -668,18 +399,40 @@ static int ll_send_mgc_param(struct obd_export *mgc, char *string) return rc; } -static int ll_dir_setdirstripe(struct inode *dir, struct lmv_user_md *lump, - char *filename) +/** + * Create striped directory with specified stripe(@lump) + * + * param[in] parent the parent of the directory. + * param[in] lump the specified stripes. + * param[in] dirname the name of the directory. + * param[in] mode the specified mode of the directory. + * + * retval =0 if striped directory is being created successfully. + * <0 if the creation is failed. + */ +static int ll_dir_setdirstripe(struct inode *parent, struct lmv_user_md *lump, + const char *dirname, umode_t mode) { struct ptlrpc_request *request = NULL; struct md_op_data *op_data; - struct ll_sb_info *sbi = ll_i2sbi(dir); - int mode; + struct ll_sb_info *sbi = ll_i2sbi(parent); int err; - mode = (~current_umask() & 0755) | S_IFDIR; - op_data = ll_prep_md_op_data(NULL, dir, NULL, filename, - strlen(filename), mode, LUSTRE_OPC_MKDIR, + if (unlikely(lump->lum_magic != LMV_USER_MAGIC)) + return -EINVAL; + + CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p) name %s stripe_offset %d, stripe_count: %u\n", + PFID(ll_inode2fid(parent)), parent, dirname, + (int)lump->lum_stripe_offset, lump->lum_stripe_count); + + if (lump->lum_magic != cpu_to_le32(LMV_USER_MAGIC)) + lustre_swab_lmv_user_md(lump); + + if (!IS_POSIXACL(parent) || !exp_connect_umask(ll_i2mdexp(parent))) + mode &= ~current_umask(); + mode = (mode & (S_IRWXUGO | S_ISVTX)) | S_IFDIR; + op_data = ll_prep_md_op_data(NULL, parent, NULL, dirname, + strlen(dirname), mode, LUSTRE_OPC_MKDIR, lump); if (IS_ERR(op_data)) { err = PTR_ERR(op_data); @@ -730,6 +483,13 @@ int ll_dir_setstripe(struct inode *inode, struct lov_user_md *lump, lum_size = sizeof(struct lov_user_md_v3); break; } + case LMV_USER_MAGIC: { + if (lump->lmm_magic != cpu_to_le32(LMV_USER_MAGIC)) + lustre_swab_lmv_user_md( + (struct lmv_user_md *)lump); + lum_size = sizeof(struct lmv_user_md); + break; + } default: { CDEBUG(D_IOCTL, "bad userland LOV MAGIC: %#08x != %#08x nor %#08x\n", lump->lmm_magic, LOV_USER_MAGIC_V1, @@ -746,9 +506,6 @@ int ll_dir_setstripe(struct inode *inode, struct lov_user_md *lump, if (IS_ERR(op_data)) return PTR_ERR(op_data); - if (lump && lump->lmm_magic == cpu_to_le32(LMV_USER_MAGIC)) - op_data->op_cli_flags |= CLI_SET_MEA; - /* swabbing is done in lov_setstripe() on server side */ rc = md_setattr(sbi->ll_md_exp, op_data, lump, lum_size, NULL, 0, &req, NULL); @@ -803,8 +560,16 @@ end: return rc; } -int ll_dir_getstripe(struct inode *inode, struct lov_mds_md **lmmp, - int *lmm_size, struct ptlrpc_request **request) +/** + * This function will be used to get default LOV/LMV/Default LMV + * @valid will be used to indicate which stripe it will retrieve + * OBD_MD_MEA LMV stripe EA + * OBD_MD_DEFAULT_MEA Default LMV stripe EA + * otherwise Default LOV EA. + * Each time, it can only retrieve 1 stripe EA + **/ +int ll_dir_getstripe(struct inode *inode, void **plmm, int *plmm_size, + struct ptlrpc_request **request, u64 valid) { struct ll_sb_info *sbi = ll_i2sbi(inode); struct mdt_body *body; @@ -813,7 +578,7 @@ int ll_dir_getstripe(struct inode *inode, struct lov_mds_md **lmmp, int rc, lmmsize; struct md_op_data *op_data; - rc = ll_get_default_mdsize(sbi, &lmmsize); + rc = ll_get_max_mdsize(sbi, &lmmsize); if (rc) return rc; @@ -834,9 +599,9 @@ int ll_dir_getstripe(struct inode *inode, struct lov_mds_md **lmmp, body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY); - lmmsize = body->eadatasize; + lmmsize = body->mbo_eadatasize; - if (!(body->valid & (OBD_MD_FLEASIZE | OBD_MD_FLDIREA)) || + if (!(body->mbo_valid & (OBD_MD_FLEASIZE | OBD_MD_FLDIREA)) || lmmsize == 0) { rc = -ENODATA; goto out; @@ -844,6 +609,7 @@ int ll_dir_getstripe(struct inode *inode, struct lov_mds_md **lmmp, lmm = req_capsule_server_sized_get(&req->rq_pill, &RMF_MDT_MD, lmmsize); + LASSERT(lmm); /* * This is coming from the MDS, so is probably in @@ -860,40 +626,47 @@ int ll_dir_getstripe(struct inode *inode, struct lov_mds_md **lmmp, if (cpu_to_le32(LOV_MAGIC) != LOV_MAGIC) lustre_swab_lov_user_md_v3((struct lov_user_md_v3 *)lmm); break; + case LMV_USER_MAGIC: + if (cpu_to_le32(LMV_USER_MAGIC) != LMV_USER_MAGIC) + lustre_swab_lmv_user_md((struct lmv_user_md *)lmm); + break; default: CERROR("unknown magic: %lX\n", (unsigned long)lmm->lmm_magic); rc = -EPROTO; } out: - *lmmp = lmm; - *lmm_size = lmmsize; + *plmm = lmm; + *plmm_size = lmmsize; *request = req; return rc; } -/* - * Get MDT index for the inode. - */ -int ll_get_mdt_idx(struct inode *inode) +int ll_get_mdt_idx_by_fid(struct ll_sb_info *sbi, const struct lu_fid *fid) { - struct ll_sb_info *sbi = ll_i2sbi(inode); struct md_op_data *op_data; - int rc, mdtidx; + int mdt_index, rc; - op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, - 0, LUSTRE_OPC_ANY, NULL); - if (IS_ERR(op_data)) - return PTR_ERR(op_data); + op_data = kzalloc(sizeof(*op_data), GFP_NOFS); + if (!op_data) + return -ENOMEM; op_data->op_flags |= MF_GET_MDT_IDX; + op_data->op_fid1 = *fid; rc = md_getattr(sbi->ll_md_exp, op_data, NULL); - mdtidx = op_data->op_mds; - ll_finish_md_op_data(op_data); - if (rc < 0) { - CDEBUG(D_INFO, "md_getattr_name: %d\n", rc); + mdt_index = op_data->op_mds; + kvfree(op_data); + if (rc < 0) return rc; - } - return mdtidx; + + return mdt_index; +} + +/* + * Get MDT index for the inode. + */ +int ll_get_mdt_idx(struct inode *inode) +{ + return ll_get_mdt_idx_by_fid(ll_i2sbi(inode), ll_inode2fid(inode)); } /** @@ -1288,11 +1061,9 @@ static long ll_dir_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return 0; } case IOC_MDC_LOOKUP: { - struct ptlrpc_request *request = NULL; int namelen, len = 0; char *buf = NULL; char *filename; - struct md_op_data *op_data; rc = obd_ioctl_getdata(&buf, &len, (void __user *)arg); if (rc) @@ -1308,21 +1079,13 @@ static long ll_dir_ioctl(struct file *file, unsigned int cmd, unsigned long arg) goto out_free; } - op_data = ll_prep_md_op_data(NULL, inode, NULL, filename, namelen, - 0, LUSTRE_OPC_ANY, NULL); - if (IS_ERR(op_data)) { - rc = PTR_ERR(op_data); - goto out_free; - } - - op_data->op_valid = OBD_MD_FLID; - rc = md_getattr_name(sbi->ll_md_exp, op_data, &request); - ll_finish_md_op_data(op_data); + rc = ll_get_fid_by_name(inode, filename, namelen, NULL); if (rc < 0) { - CDEBUG(D_INFO, "md_getattr_name: %d\n", rc); + CERROR("%s: lookup %.*s failed: rc = %d\n", + ll_get_fsname(inode->i_sb, NULL, 0), namelen, + filename, rc); goto out_free; } - ptlrpc_req_finished(request); out_free: obd_ioctl_freedata(buf, len); return rc; @@ -1333,6 +1096,7 @@ out_free: char *filename; int namelen = 0; int lumlen = 0; + umode_t mode; int len; int rc; @@ -1366,15 +1130,32 @@ out_free: goto lmv_out_free; } - /** - * ll_dir_setdirstripe will be used to set dir stripe - * mdc_create--->mdt_reint_create (with dirstripe) - */ - rc = ll_dir_setdirstripe(inode, lum, filename); +#if OBD_OCD_VERSION(2, 9, 50, 0) > LUSTRE_VERSION_CODE + mode = data->ioc_type != 0 ? data->ioc_type : S_IRWXUGO; +#else + mode = data->ioc_type; +#endif + rc = ll_dir_setdirstripe(inode, lum, filename, mode); lmv_out_free: obd_ioctl_freedata(buf, len); return rc; } + case LL_IOC_LMV_SET_DEFAULT_STRIPE: { + struct lmv_user_md __user *ulump; + struct lmv_user_md lum; + int rc; + + ulump = (struct lmv_user_md __user *)arg; + if (copy_from_user(&lum, ulump, sizeof(lum))) + return -EFAULT; + + if (lum.lum_magic != LMV_USER_MAGIC) + return -EINVAL; + + rc = ll_dir_setstripe(inode, (struct lov_user_md *)&lum, 0); + + return rc; + } case LL_IOC_LOV_SETSTRIPE: { struct lov_user_md_v3 lumv3; struct lov_user_md_v1 *lumv1 = (struct lov_user_md_v1 *)&lumv3; @@ -1404,50 +1185,100 @@ lmv_out_free: return rc; } case LL_IOC_LMV_GETSTRIPE: { - struct lmv_user_md __user *lump = (void __user *)arg; + struct lmv_user_md __user *ulmv; struct lmv_user_md lum; - struct lmv_user_md *tmp; + struct ptlrpc_request *request = NULL; + struct lmv_user_md *tmp = NULL; + union lmv_mds_md *lmm = NULL; + u64 valid = 0; + int stripe_count; + int mdt_index; int lum_size; - int rc = 0; - int mdtindex; + int lmmsize; + int rc; + int i; - if (copy_from_user(&lum, lump, sizeof(struct lmv_user_md))) + ulmv = (struct lmv_user_md __user *)arg; + if (copy_from_user(&lum, ulmv, sizeof(*ulmv))) return -EFAULT; - if (lum.lum_magic != LMV_MAGIC_V1) + /* + * lum_magic will indicate which stripe the ioctl will like + * to get, LMV_MAGIC_V1 is for normal LMV stripe, LMV_USER_MAGIC + * is for default LMV stripe + */ + if (lum.lum_magic == LMV_MAGIC_V1) + valid |= OBD_MD_MEA; + else if (lum.lum_magic == LMV_USER_MAGIC) + valid |= OBD_MD_DEFAULT_MEA; + else return -EINVAL; - lum_size = lmv_user_md_size(1, LMV_MAGIC_V1); + rc = ll_dir_getstripe(inode, (void **)&lmm, &lmmsize, &request, + valid); + if (rc) + goto finish_req; + + /* Get default LMV EA */ + if (lum.lum_magic == LMV_USER_MAGIC) { + if (rc) + goto finish_req; + + if (lmmsize > sizeof(*ulmv)) { + rc = -EINVAL; + goto finish_req; + } + + if (copy_to_user(ulmv, lmm, lmmsize)) + rc = -EFAULT; + + goto finish_req; + } + + stripe_count = lmv_mds_md_stripe_count_get(lmm); + lum_size = lmv_user_md_size(stripe_count, LMV_MAGIC_V1); tmp = kzalloc(lum_size, GFP_NOFS); if (!tmp) { rc = -ENOMEM; - goto free_lmv; + goto finish_req; } - *tmp = lum; - tmp->lum_type = LMV_STRIPE_TYPE; - tmp->lum_stripe_count = 1; - mdtindex = ll_get_mdt_idx(inode); - if (mdtindex < 0) { + mdt_index = ll_get_mdt_idx(inode); + if (mdt_index < 0) { rc = -ENOMEM; - goto free_lmv; + goto out_tmp; + } + tmp->lum_magic = LMV_MAGIC_V1; + tmp->lum_stripe_count = 0; + tmp->lum_stripe_offset = mdt_index; + for (i = 0; i < stripe_count; i++) { + struct lu_fid *fid; + + fid = &lmm->lmv_md_v1.lmv_stripe_fids[i]; + mdt_index = ll_get_mdt_idx_by_fid(sbi, fid); + if (mdt_index < 0) { + rc = mdt_index; + goto out_tmp; + } + tmp->lum_objects[i].lum_mds = mdt_index; + tmp->lum_objects[i].lum_fid = *fid; + tmp->lum_stripe_count++; } - tmp->lum_stripe_offset = mdtindex; - tmp->lum_objects[0].lum_mds = mdtindex; - memcpy(&tmp->lum_objects[0].lum_fid, ll_inode2fid(inode), - sizeof(struct lu_fid)); - if (copy_to_user((void __user *)arg, tmp, lum_size)) { + if (copy_to_user(ulmv, tmp, lum_size)) { rc = -EFAULT; - goto free_lmv; + goto out_tmp; } -free_lmv: +out_tmp: kfree(tmp); +finish_req: + ptlrpc_req_finished(request); return rc; } + case LL_IOC_LOV_SWAP_LAYOUTS: return -EPERM; - case LL_IOC_OBD_STATFS: + case IOC_OBD_STATFS: return ll_obd_statfs(inode, (void __user *)arg); case LL_IOC_LOV_GETSTRIPE: case LL_IOC_MDC_GETINFO: @@ -1469,7 +1300,8 @@ free_lmv: rc = ll_lov_getstripe_ea_info(inode, filename, &lmm, &lmmsize, &request); } else { - rc = ll_dir_getstripe(inode, &lmm, &lmmsize, &request); + rc = ll_dir_getstripe(inode, (void **)&lmm, &lmmsize, + &request, 0); } if (request) { @@ -1512,18 +1344,18 @@ skip_lmm: lstat_t st = { 0 }; st.st_dev = inode->i_sb->s_dev; - st.st_mode = body->mode; - st.st_nlink = body->nlink; - st.st_uid = body->uid; - st.st_gid = body->gid; - st.st_rdev = body->rdev; - st.st_size = body->size; + st.st_mode = body->mbo_mode; + st.st_nlink = body->mbo_nlink; + st.st_uid = body->mbo_uid; + st.st_gid = body->mbo_gid; + st.st_rdev = body->mbo_rdev; + st.st_size = body->mbo_size; st.st_blksize = PAGE_SIZE; - st.st_blocks = body->blocks; - st.st_atime = body->atime; - st.st_mtime = body->mtime; - st.st_ctime = body->ctime; - st.st_ino = cl_fid_build_ino(&body->fid1, + st.st_blocks = body->mbo_blocks; + st.st_atime = body->mbo_atime; + st.st_mtime = body->mbo_mtime; + st.st_ctime = body->mbo_ctime; + st.st_ino = cl_fid_build_ino(&body->mbo_fid1, sbi->ll_flags & LL_SBI_32BIT_API); @@ -1611,9 +1443,6 @@ free_lmm: kvfree(lmm); return rc; } - case OBD_IOC_LLOG_CATINFO: { - return -EOPNOTSUPP; - } case OBD_IOC_QUOTACHECK: { struct obd_quotactl *oqctl; int error = 0; @@ -1671,7 +1500,7 @@ out_poll: kfree(check); return rc; } - case LL_IOC_QUOTACTL: { + case OBD_IOC_QUOTACTL: { struct if_quotactl *qctl; qctl = kzalloc(sizeof(*qctl), GFP_NOFS); @@ -1853,6 +1682,45 @@ out_quotactl: kfree(copy); return rc; } + case LL_IOC_MIGRATE: { + char *buf = NULL; + const char *filename; + int namelen = 0; + int len; + int rc; + int mdtidx; + + rc = obd_ioctl_getdata(&buf, &len, (void __user *)arg); + if (rc < 0) + return rc; + + data = (struct obd_ioctl_data *)buf; + if (!data->ioc_inlbuf1 || !data->ioc_inlbuf2 || + !data->ioc_inllen1 || !data->ioc_inllen2) { + rc = -EINVAL; + goto migrate_free; + } + + filename = data->ioc_inlbuf1; + namelen = data->ioc_inllen1; + if (namelen < 1 || namelen != strlen(filename) + 1) { + rc = -EINVAL; + goto migrate_free; + } + + if (data->ioc_inllen2 != sizeof(mdtidx)) { + rc = -EINVAL; + goto migrate_free; + } + mdtidx = *(int *)data->ioc_inlbuf2; + + rc = ll_migrate(inode, file, mdtidx, filename, namelen - 1); +migrate_free: + obd_ioctl_freedata(buf, len); + + return rc; + } + default: return obd_iocontrol(cmd, sbi->ll_dt_exp, 0, NULL, (void __user *)arg); diff --git a/drivers/staging/lustre/lustre/llite/file.c b/drivers/staging/lustre/lustre/llite/file.c index 57281b9e31ff..e2e81bf33e0d 100644 --- a/drivers/staging/lustre/lustre/llite/file.c +++ b/drivers/staging/lustre/lustre/llite/file.c @@ -41,9 +41,11 @@ #include "../include/lustre_lite.h" #include <linux/pagemap.h> #include <linux/file.h> +#include <linux/sched.h> #include <linux/mount.h> #include "llite_internal.h" #include "../include/lustre/ll_fiemap.h" +#include "../include/lustre/lustre_ioctl.h" #include "../include/cl_object.h" @@ -198,7 +200,7 @@ static int ll_close_inode_openhandle(struct obd_export *md_exp, struct mdt_body *body; body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY); - if (!(body->valid & OBD_MD_FLRELEASED)) + if (!(body->mbo_valid & OBD_MD_FLRELEASED)) rc = -EBUSY; } @@ -364,7 +366,8 @@ int ll_file_release(struct inode *inode, struct file *file) } if (!S_ISDIR(inode->i_mode)) { - lov_read_and_clear_async_rc(lli->lli_clob); + if (lli->lli_clob) + lov_read_and_clear_async_rc(lli->lli_clob); lli->lli_async_rc = 0; } @@ -376,55 +379,39 @@ int ll_file_release(struct inode *inode, struct file *file) return rc; } -static int ll_intent_file_open(struct dentry *dentry, void *lmm, - int lmmsize, struct lookup_intent *itp) +static int ll_intent_file_open(struct dentry *de, void *lmm, int lmmsize, + struct lookup_intent *itp) { - struct inode *inode = d_inode(dentry); + struct inode *inode = d_inode(de); struct ll_sb_info *sbi = ll_i2sbi(inode); - struct dentry *parent = dentry->d_parent; - const char *name = dentry->d_name.name; - const int len = dentry->d_name.len; + struct dentry *parent = de->d_parent; + const char *name = NULL; struct md_op_data *op_data; - struct ptlrpc_request *req; - __u32 opc = LUSTRE_OPC_ANY; - int rc; + struct ptlrpc_request *req = NULL; + int len = 0, rc; - /* Usually we come here only for NFSD, and we want open lock. */ - /* We can also get here if there was cached open handle in revalidate_it - * but it disappeared while we were getting from there to ll_file_open. - * But this means this file was closed and immediately opened which - * makes a good candidate for using OPEN lock - */ - /* If lmmsize & lmm are not 0, we are just setting stripe info - * parameters. No need for the open lock + LASSERT(parent); + LASSERT(itp->it_flags & MDS_OPEN_BY_FID); + + /* + * if server supports open-by-fid, or file name is invalid, don't pack + * name in open request */ - if (!lmm && lmmsize == 0) { - struct ll_dentry_data *ldd = ll_d2d(dentry); - /* - * If we came via ll_iget_for_nfs, then we need to request - * struct ll_dentry_data *ldd = ll_d2d(file->f_dentry); - * - * NB: when ldd is NULL, it must have come via normal - * lookup path only, since ll_iget_for_nfs always calls - * ll_d_init(). - */ - if (ldd && ldd->lld_nfs_dentry) { - ldd->lld_nfs_dentry = 0; - itp->it_flags |= MDS_OPEN_LOCK; - } - if (itp->it_flags & FMODE_WRITE) - opc = LUSTRE_OPC_CREATE; + if (!(exp_connect_flags(sbi->ll_md_exp) & OBD_CONNECT_OPEN_BY_FID) && + lu_name_is_valid_2(de->d_name.name, de->d_name.len)) { + name = de->d_name.name; + len = de->d_name.len; } - op_data = ll_prep_md_op_data(NULL, d_inode(parent), - inode, name, len, - O_RDWR, opc, NULL); + op_data = ll_prep_md_op_data(NULL, d_inode(parent), inode, name, len, + O_RDWR, LUSTRE_OPC_ANY, NULL); if (IS_ERR(op_data)) return PTR_ERR(op_data); + op_data->op_data = lmm; + op_data->op_data_size = lmmsize; - itp->it_flags |= MDS_OPEN_BY_FID; - rc = md_intent_lock(sbi->ll_md_exp, op_data, lmm, lmmsize, itp, - 0 /*unused */, &req, ll_md_blocking_ast, 0); + rc = md_intent_lock(sbi->ll_md_exp, op_data, itp, &req, + &ll_md_blocking_ast, 0); ll_finish_md_op_data(op_data); if (rc == -ESTALE) { /* reason for keep own exit path - don`t flood log @@ -479,8 +466,8 @@ static int ll_och_fill(struct obd_export *md_exp, struct lookup_intent *it, struct mdt_body *body; body = req_capsule_server_get(&it->it_request->rq_pill, &RMF_MDT_BODY); - och->och_fh = body->handle; - och->och_fid = body->fid1; + och->och_fh = body->mbo_handle; + och->och_fid = body->mbo_fid1; och->och_lease_handle.cookie = it->it_lock_handle; och->och_magic = OBD_CLIENT_HANDLE_MAGIC; och->och_flags = it->it_flags; @@ -508,7 +495,7 @@ static int ll_local_open(struct file *file, struct lookup_intent *it, body = req_capsule_server_get(&it->it_request->rq_pill, &RMF_MDT_BODY); - ll_ioepoch_open(lli, body->ioepoch); + ll_ioepoch_open(lli, body->mbo_ioepoch); } LUSTRE_FPRIVATE(file) = fd; @@ -652,9 +639,19 @@ restart: * result in a deadlock */ mutex_unlock(&lli->lli_och_mutex); - it->it_create_mode |= M_CHECK_STALE; + /* + * Normally called under two situations: + * 1. NFS export. + * 2. revalidate with IT_OPEN (revalidate doesn't + * execute this intent any more). + * + * Always fetch MDS_OPEN_LOCK if this is not setstripe. + * + * Always specify MDS_OPEN_BY_FID because we don't want + * to get file with different fid. + */ + it->it_flags |= MDS_OPEN_LOCK | MDS_OPEN_BY_FID; rc = ll_intent_file_open(file->f_path.dentry, NULL, 0, it); - it->it_create_mode &= ~M_CHECK_STALE; if (rc) goto out_openerr; @@ -764,7 +761,7 @@ ll_lease_open(struct inode *inode, struct file *file, fmode_t fmode, struct lookup_intent it = { .it_op = IT_OPEN }; struct ll_sb_info *sbi = ll_i2sbi(inode); struct md_op_data *op_data; - struct ptlrpc_request *req; + struct ptlrpc_request *req = NULL; struct lustre_handle old_handle = { 0 }; struct obd_client_handle *och = NULL; int rc; @@ -831,8 +828,8 @@ ll_lease_open(struct inode *inode, struct file *file, fmode_t fmode, it.it_flags = fmode | open_flags; it.it_flags |= MDS_OPEN_LOCK | MDS_OPEN_BY_FID | MDS_OPEN_LEASE; - rc = md_intent_lock(sbi->ll_md_exp, op_data, NULL, 0, &it, 0, &req, - ll_md_blocking_lease_ast, + rc = md_intent_lock(sbi->ll_md_exp, op_data, &it, &req, + &ll_md_blocking_lease_ast, /* LDLM_FL_NO_LRU: To not put the lease lock into LRU list, otherwise * it can be cancelled which may mislead applications that the lease is * broken; @@ -840,7 +837,7 @@ ll_lease_open(struct inode *inode, struct file *file, fmode_t fmode, * open in ll_md_blocking_ast(). Otherwise as ll_md_blocking_lease_ast * doesn't deal with openhandle, so normal openhandle will be leaked. */ - LDLM_FL_NO_LRU | LDLM_FL_EXCL); + LDLM_FL_NO_LRU | LDLM_FL_EXCL); ll_finish_md_op_data(op_data); ptlrpc_req_finished(req); if (rc < 0) @@ -1396,6 +1393,7 @@ int ll_lov_setstripe_ea_info(struct inode *inode, struct dentry *dentry, } ll_inode_size_lock(inode); + oit.it_flags |= MDS_OPEN_BY_FID; rc = ll_intent_file_open(dentry, lum, lum_size, &oit); if (rc) goto out_unlock; @@ -1448,9 +1446,9 @@ int ll_lov_getstripe_ea_info(struct inode *inode, const char *filename, body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY); - lmmsize = body->eadatasize; + lmmsize = body->mbo_eadatasize; - if (!(body->valid & (OBD_MD_FLEASIZE | OBD_MD_FLDIREA)) || + if (!(body->mbo_valid & (OBD_MD_FLEASIZE | OBD_MD_FLDIREA)) || lmmsize == 0) { rc = -ENODATA; goto out; @@ -1481,13 +1479,13 @@ int ll_lov_getstripe_ea_info(struct inode *inode, const char *filename, */ if (lmm->lmm_magic == cpu_to_le32(LOV_MAGIC_V1)) { lustre_swab_lov_user_md_v1((struct lov_user_md_v1 *)lmm); - if (S_ISREG(body->mode)) + if (S_ISREG(body->mbo_mode)) lustre_swab_lov_user_md_objects( ((struct lov_user_md_v1 *)lmm)->lmm_objects, stripe_count); } else if (lmm->lmm_magic == cpu_to_le32(LOV_MAGIC_V3)) { lustre_swab_lov_user_md_v3((struct lov_user_md_v3 *)lmm); - if (S_ISREG(body->mode)) + if (S_ISREG(body->mbo_mode)) lustre_swab_lov_user_md_objects( ((struct lov_user_md_v3 *)lmm)->lmm_objects, stripe_count); @@ -2474,7 +2472,7 @@ ll_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if (och) { mode = och->och_flags & - (FMODE_READ|FMODE_WRITE); + (FMODE_READ | FMODE_WRITE); rc = ll_lease_close(och, inode, &lease_broken); if (rc == 0 && lease_broken) mode = 0; @@ -2593,9 +2591,11 @@ static int ll_flush(struct file *file, fl_owner_t id) */ rc = lli->lli_async_rc; lli->lli_async_rc = 0; - err = lov_read_and_clear_async_rc(lli->lli_clob); - if (rc == 0) - rc = err; + if (lli->lli_clob) { + err = lov_read_and_clear_async_rc(lli->lli_clob); + if (!rc) + rc = err; + } /* The application has been told about write failure already. * Do not report failure again. @@ -2714,6 +2714,7 @@ ll_file_flock(struct file *file, int cmd, struct file_lock *file_lock) struct md_op_data *op_data; struct lustre_handle lockh = {0}; ldlm_policy_data_t flock = { {0} }; + int fl_type = file_lock->fl_type; __u64 flags = 0; int rc; int rc2 = 0; @@ -2744,7 +2745,7 @@ ll_file_flock(struct file *file, int cmd, struct file_lock *file_lock) if (file_lock->fl_lmops && file_lock->fl_lmops->lm_compare_owner) flock.l_flock.owner = (unsigned long)file_lock->fl_pid; - switch (file_lock->fl_type) { + switch (fl_type) { case F_RDLCK: einfo.ei_mode = LCK_PR; break; @@ -2764,8 +2765,7 @@ ll_file_flock(struct file *file, int cmd, struct file_lock *file_lock) einfo.ei_mode = LCK_PW; break; default: - CDEBUG(D_INFO, "Unknown fcntl lock type: %d\n", - file_lock->fl_type); + CDEBUG(D_INFO, "Unknown fcntl lock type: %d\n", fl_type); return -ENOTSUPP; } @@ -2787,16 +2787,18 @@ ll_file_flock(struct file *file, int cmd, struct file_lock *file_lock) case F_GETLK64: #endif flags = LDLM_FL_TEST_LOCK; - /* Save the old mode so that if the mode in the lock changes we - * can decrement the appropriate reader or writer refcount. - */ - file_lock->fl_type = einfo.ei_mode; break; default: CERROR("unknown fcntl lock command: %d\n", cmd); return -EINVAL; } + /* + * Save the old mode so that if the mode in the lock changes we + * can decrement the appropriate reader or writer refcount. + */ + file_lock->fl_type = einfo.ei_mode; + op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0, LUSTRE_OPC_ANY, NULL); if (IS_ERR(op_data)) @@ -2806,8 +2808,12 @@ ll_file_flock(struct file *file, int cmd, struct file_lock *file_lock) PFID(ll_inode2fid(inode)), flock.l_flock.pid, flags, einfo.ei_mode, flock.l_flock.start, flock.l_flock.end); - rc = md_enqueue(sbi->ll_md_exp, &einfo, NULL, - op_data, &lockh, &flock, 0, NULL /* req */, flags); + rc = md_enqueue(sbi->ll_md_exp, &einfo, &flock, NULL, op_data, &lockh, + flags); + + /* Restore the file lock type if not TEST lock. */ + if (!(flags & LDLM_FL_TEST_LOCK)) + file_lock->fl_type = fl_type; if ((rc == 0 || file_lock->fl_type == F_UNLCK) && !(flags & LDLM_FL_TEST_LOCK)) @@ -2815,8 +2821,8 @@ ll_file_flock(struct file *file, int cmd, struct file_lock *file_lock) if (rc2 && file_lock->fl_type != F_UNLCK) { einfo.ei_mode = LCK_NL; - md_enqueue(sbi->ll_md_exp, &einfo, NULL, - op_data, &lockh, &flock, 0, NULL /* req */, flags); + md_enqueue(sbi->ll_md_exp, &einfo, &flock, NULL, op_data, + &lockh, flags); rc = rc2; } @@ -2825,6 +2831,112 @@ ll_file_flock(struct file *file, int cmd, struct file_lock *file_lock) return rc; } +int ll_get_fid_by_name(struct inode *parent, const char *name, + int namelen, struct lu_fid *fid) +{ + struct md_op_data *op_data = NULL; + struct ptlrpc_request *req; + struct mdt_body *body; + int rc; + + op_data = ll_prep_md_op_data(NULL, parent, NULL, name, namelen, 0, + LUSTRE_OPC_ANY, NULL); + if (IS_ERR(op_data)) + return PTR_ERR(op_data); + + op_data->op_valid = OBD_MD_FLID; + rc = md_getattr_name(ll_i2sbi(parent)->ll_md_exp, op_data, &req); + ll_finish_md_op_data(op_data); + if (rc < 0) + return rc; + + body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY); + if (!body) { + rc = -EFAULT; + goto out_req; + } + if (fid) + *fid = body->mbo_fid1; +out_req: + ptlrpc_req_finished(req); + return rc; +} + +int ll_migrate(struct inode *parent, struct file *file, int mdtidx, + const char *name, int namelen) +{ + struct ptlrpc_request *request = NULL; + struct inode *child_inode = NULL; + struct dentry *dchild = NULL; + struct md_op_data *op_data; + struct qstr qstr; + int rc; + + CDEBUG(D_VFSTRACE, "migrate %s under "DFID" to MDT%d\n", + name, PFID(ll_inode2fid(parent)), mdtidx); + + op_data = ll_prep_md_op_data(NULL, parent, NULL, name, namelen, + 0, LUSTRE_OPC_ANY, NULL); + if (IS_ERR(op_data)) + return PTR_ERR(op_data); + + /* Get child FID first */ + qstr.hash = full_name_hash(parent, name, namelen); + qstr.name = name; + qstr.len = namelen; + dchild = d_lookup(file_dentry(file), &qstr); + if (dchild && dchild->d_inode) { + op_data->op_fid3 = *ll_inode2fid(dchild->d_inode); + if (dchild->d_inode) { + child_inode = igrab(dchild->d_inode); + ll_invalidate_aliases(child_inode); + } + dput(dchild); + } else { + rc = ll_get_fid_by_name(parent, name, namelen, + &op_data->op_fid3); + if (rc) + goto out_free; + } + + if (!fid_is_sane(&op_data->op_fid3)) { + CERROR("%s: migrate %s, but fid "DFID" is insane\n", + ll_get_fsname(parent->i_sb, NULL, 0), name, + PFID(&op_data->op_fid3)); + rc = -EINVAL; + goto out_free; + } + + rc = ll_get_mdt_idx_by_fid(ll_i2sbi(parent), &op_data->op_fid3); + if (rc < 0) + goto out_free; + + if (rc == mdtidx) { + CDEBUG(D_INFO, "%s:"DFID" is already on MDT%d.\n", name, + PFID(&op_data->op_fid3), mdtidx); + rc = 0; + goto out_free; + } + + op_data->op_mds = mdtidx; + op_data->op_cli_flags = CLI_MIGRATE; + rc = md_rename(ll_i2sbi(parent)->ll_md_exp, op_data, name, + namelen, name, namelen, &request); + if (!rc) + ll_update_times(request, parent); + + ptlrpc_req_finished(request); + +out_free: + if (child_inode) { + clear_nlink(child_inode); + iput(child_inode); + } + + ll_finish_md_op_data(op_data); + return rc; +} + static int ll_file_noflock(struct file *file, int cmd, struct file_lock *file_lock) { @@ -2847,7 +2959,7 @@ int ll_have_md_lock(struct inode *inode, __u64 *bits, struct lustre_handle lockh; ldlm_policy_data_t policy; enum ldlm_mode mode = (l_req_mode == LCK_MINMODE) ? - (LCK_CR|LCK_CW|LCK_PR|LCK_PW) : l_req_mode; + (LCK_CR | LCK_CW | LCK_PR | LCK_PW) : l_req_mode; struct lu_fid *fid; __u64 flags; int i; @@ -2949,15 +3061,9 @@ static int __ll_inode_revalidate(struct dentry *dentry, __u64 ibits) if (IS_ERR(op_data)) return PTR_ERR(op_data); - oit.it_create_mode |= M_CHECK_STALE; - rc = md_intent_lock(exp, op_data, NULL, 0, - /* we are not interested in name - * based lookup - */ - &oit, 0, &req, - ll_md_blocking_ast, 0); + rc = md_intent_lock(exp, op_data, &oit, &req, + &ll_md_blocking_ast, 0); ll_finish_md_op_data(op_data); - oit.it_create_mode &= ~M_CHECK_STALE; if (rc < 0) { rc = ll_inode_revalidate_fini(inode, rc); goto out; @@ -3015,6 +3121,27 @@ out: return rc; } +static int ll_merge_md_attr(struct inode *inode) +{ + struct cl_attr attr = { 0 }; + int rc; + + LASSERT(ll_i2info(inode)->lli_lsm_md); + rc = md_merge_attr(ll_i2mdexp(inode), ll_i2info(inode)->lli_lsm_md, + &attr); + if (rc) + return rc; + + ll_i2info(inode)->lli_stripe_dir_size = attr.cat_size; + ll_i2info(inode)->lli_stripe_dir_nlink = attr.cat_nlink; + + ll_i2info(inode)->lli_atime = attr.cat_atime; + ll_i2info(inode)->lli_mtime = attr.cat_mtime; + ll_i2info(inode)->lli_ctime = attr.cat_ctime; + + return 0; +} + static int ll_inode_revalidate(struct dentry *dentry, __u64 ibits) { struct inode *inode = d_inode(dentry); @@ -3026,6 +3153,13 @@ static int ll_inode_revalidate(struct dentry *dentry, __u64 ibits) /* if object isn't regular file, don't validate size */ if (!S_ISREG(inode->i_mode)) { + if (S_ISDIR(inode->i_mode) && + ll_i2info(inode)->lli_lsm_md) { + rc = ll_merge_md_attr(inode); + if (rc) + return rc; + } + LTIME_S(inode->i_atime) = ll_i2info(inode)->lli_atime; LTIME_S(inode->i_mtime) = ll_i2info(inode)->lli_mtime; LTIME_S(inode->i_ctime) = ll_i2info(inode)->lli_ctime; @@ -3057,13 +3191,14 @@ int ll_getattr(struct vfsmount *mnt, struct dentry *de, struct kstat *stat) if (res) return res; + OBD_FAIL_TIMEOUT(OBD_FAIL_GETATTR_DELAY, 30); + stat->dev = inode->i_sb->s_dev; if (ll_need_32bit_api(sbi)) stat->ino = cl_fid_build_ino(&lli->lli_fid, 1); else stat->ino = inode->i_ino; stat->mode = inode->i_mode; - stat->nlink = inode->i_nlink; stat->uid = inode->i_uid; stat->gid = inode->i_gid; stat->rdev = inode->i_rdev; @@ -3071,10 +3206,17 @@ int ll_getattr(struct vfsmount *mnt, struct dentry *de, struct kstat *stat) stat->mtime = inode->i_mtime; stat->ctime = inode->i_ctime; stat->blksize = 1 << inode->i_blkbits; - - stat->size = i_size_read(inode); stat->blocks = inode->i_blocks; + if (S_ISDIR(inode->i_mode) && + ll_i2info(inode)->lli_lsm_md) { + stat->nlink = lli->lli_stripe_dir_nlink; + stat->size = lli->lli_stripe_dir_size; + } else { + stat->nlink = inode->i_nlink; + stat->size = i_size_read(inode); + } + return 0; } @@ -3139,6 +3281,12 @@ struct posix_acl *ll_get_acl(struct inode *inode, int type) int ll_inode_permission(struct inode *inode, int mask) { + struct ll_sb_info *sbi; + struct root_squash_info *squash; + const struct cred *old_cred = NULL; + struct cred *cred = NULL; + bool squash_id = false; + cfs_cap_t cap; int rc = 0; if (mask & MAY_NOT_BLOCK) @@ -3158,9 +3306,46 @@ int ll_inode_permission(struct inode *inode, int mask) CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p), inode mode %x mask %o\n", PFID(ll_inode2fid(inode)), inode, inode->i_mode, mask); + /* squash fsuid/fsgid if needed */ + sbi = ll_i2sbi(inode); + squash = &sbi->ll_squash; + if (unlikely(squash->rsi_uid && + uid_eq(current_fsuid(), GLOBAL_ROOT_UID) && + !(sbi->ll_flags & LL_SBI_NOROOTSQUASH))) { + squash_id = true; + } + + if (squash_id) { + CDEBUG(D_OTHER, "squash creds (%d:%d)=>(%d:%d)\n", + __kuid_val(current_fsuid()), __kgid_val(current_fsgid()), + squash->rsi_uid, squash->rsi_gid); + + /* + * update current process's credentials + * and FS capability + */ + cred = prepare_creds(); + if (!cred) + return -ENOMEM; + + cred->fsuid = make_kuid(&init_user_ns, squash->rsi_uid); + cred->fsgid = make_kgid(&init_user_ns, squash->rsi_gid); + for (cap = 0; cap < sizeof(cfs_cap_t) * 8; cap++) { + if ((1 << cap) & CFS_CAP_FS_MASK) + cap_lower(cred->cap_effective, cap); + } + old_cred = override_creds(cred); + } + ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_INODE_PERM, 1); rc = generic_permission(inode, mask); + /* restore current process's credentials and FS capability */ + if (squash_id) { + revert_creds(old_cred); + put_cred(cred); + } + return rc; } @@ -3213,10 +3398,10 @@ const struct inode_operations ll_file_inode_operations = { .setattr = ll_setattr, .getattr = ll_getattr, .permission = ll_inode_permission, - .setxattr = ll_setxattr, - .getxattr = ll_getxattr, + .setxattr = generic_setxattr, + .getxattr = generic_getxattr, .listxattr = ll_listxattr, - .removexattr = ll_removexattr, + .removexattr = generic_removexattr, .fiemap = ll_fiemap, .get_acl = ll_get_acl, }; @@ -3251,7 +3436,6 @@ void *ll_iocontrol_register(llioc_callback_t cb, int count, unsigned int *cmd) if (!in_data) return NULL; - memset(in_data, 0, sizeof(*in_data)); in_data->iocd_size = size; in_data->iocd_cb = cb; in_data->iocd_count = count; @@ -3389,7 +3573,7 @@ static int ll_layout_fetch(struct inode *inode, struct ldlm_lock *lock) goto out; } - lmmsize = body->eadatasize; + lmmsize = body->mbo_eadatasize; if (lmmsize == 0) /* empty layout */ { rc = 0; goto out; @@ -3447,7 +3631,7 @@ static int ll_layout_lock_set(struct lustre_handle *lockh, enum ldlm_mode mode, PFID(&lli->lli_fid), inode, reconf); /* in case this is a caching lock and reinstate with new inode */ - md_set_lock_data(sbi->ll_md_exp, &lockh->cookie, inode, NULL); + md_set_lock_data(sbi->ll_md_exp, lockh, inode, NULL); lock_res_and_lock(lock); lvb_ready = ldlm_is_lvb_ready(lock); @@ -3557,8 +3741,8 @@ int ll_layout_refresh(struct inode *inode, __u32 *gen) struct ldlm_enqueue_info einfo = { .ei_type = LDLM_IBITS, .ei_mode = LCK_CR, - .ei_cb_bl = ll_md_blocking_ast, - .ei_cb_cp = ldlm_completion_ast, + .ei_cb_bl = &ll_md_blocking_ast, + .ei_cb_cp = &ldlm_completion_ast, }; int rc; @@ -3604,8 +3788,7 @@ again: ll_get_fsname(inode->i_sb, NULL, 0), PFID(&lli->lli_fid), inode); - rc = md_enqueue(sbi->ll_md_exp, &einfo, &it, op_data, &lockh, - NULL, 0, NULL, 0); + rc = md_enqueue(sbi->ll_md_exp, &einfo, NULL, &it, op_data, &lockh, 0); ptlrpc_req_finished(it.it_request); it.it_request = NULL; diff --git a/drivers/staging/lustre/lustre/llite/lcommon_cl.c b/drivers/staging/lustre/lustre/llite/lcommon_cl.c index 396e4e4f0715..eed464b25385 100644 --- a/drivers/staging/lustre/lustre/llite/lcommon_cl.c +++ b/drivers/staging/lustre/lustre/llite/lcommon_cl.c @@ -154,7 +154,7 @@ int cl_file_inode_init(struct inode *inode, struct lustre_md *md) int result = 0; int refcheck; - LASSERT(md->body->valid & OBD_MD_FLID); + LASSERT(md->body->mbo_valid & OBD_MD_FLID); LASSERT(S_ISREG(inode->i_mode)); env = cl_env_get(&refcheck); diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h index 4d6d589a1677..cbd5bc511b45 100644 --- a/drivers/staging/lustre/lustre/llite/llite_internal.h +++ b/drivers/staging/lustre/lustre/llite/llite_internal.h @@ -39,9 +39,11 @@ /* for struct cl_lock_descr and struct cl_io */ #include "../include/cl_object.h" +#include "../include/lustre_lmv.h" #include "../include/lustre_mdc.h" #include "../include/lustre_intent.h" #include <linux/compat.h> +#include <linux/xattr.h> #include <linux/posix_acl_xattr.h> #include "vvp_internal.h" @@ -116,9 +118,7 @@ struct ll_inode_info { /* identifying fields for both metadata and data stacks. */ struct lu_fid lli_fid; - /* Parent fid for accessing default stripe data on parent directory - * for allocating OST objects after a mknod() and later open-by-FID. - */ + /* master inode fid for stripe directory */ struct lu_fid lli_pfid; struct list_head lli_close_list; @@ -172,6 +172,12 @@ struct ll_inode_info { * -- I am the owner of dir statahead. */ pid_t d_opendir_pid; + /* directory stripe information */ + struct lmv_stripe_md *d_lsm_md; + /* striped directory size */ + loff_t d_stripe_size; + /* striped directory nlink */ + __u64 d_stripe_nlink; } d; #define lli_readdir_mutex u.d.d_readdir_mutex @@ -179,6 +185,9 @@ struct ll_inode_info { #define lli_sai u.d.d_sai #define lli_sa_lock u.d.d_sa_lock #define lli_opendir_pid u.d.d_opendir_pid +#define lli_lsm_md u.d.d_lsm_md +#define lli_stripe_dir_size u.d.d_stripe_size +#define lli_stripe_dir_nlink u.d.d_stripe_nlink /* for non-directory */ struct { @@ -401,6 +410,7 @@ enum stats_track_type { #define LL_SBI_LAYOUT_LOCK 0x20000 /* layout lock support */ #define LL_SBI_USER_FID2PATH 0x40000 /* allow fid2path by unprivileged users */ #define LL_SBI_XATTR_CACHE 0x80000 /* support for xattr cache */ +#define LL_SBI_NOROOTSQUASH 0x100000 /* do not apply root squash */ #define LL_SBI_FLAGS { \ "nolck", \ @@ -423,6 +433,7 @@ enum stats_track_type { "layout", \ "user_fid2path",\ "xattr", \ + "norootsquash", \ } struct ll_sb_info { @@ -461,7 +472,7 @@ struct ll_sb_info { unsigned int ll_namelen; struct file_operations *ll_fop; - unsigned int ll_md_brw_size; /* used by readdir */ + unsigned int ll_md_brw_pages; /* readdir pages per RPC */ struct lu_site *ll_site; struct cl_device *ll_cl; @@ -489,6 +500,9 @@ struct ll_sb_info { dev_t ll_sdev_orig; /* save s_dev before assign for * clustered nfs */ + /* root squash */ + struct root_squash_info ll_squash; + __kernel_fsid_t ll_fsid; struct kobject ll_kobj; /* sysfs object */ struct super_block *ll_sb; /* struct super_block (for sysfs code)*/ @@ -644,14 +658,16 @@ void ll_rw_stats_tally(struct ll_sb_info *sbi, pid_t pid, size_t count, int rw); /* llite/dir.c */ -void ll_release_page(struct page *page, int remove); extern const struct file_operations ll_dir_operations; extern const struct inode_operations ll_dir_inode_operations; -struct page *ll_get_dir_page(struct inode *dir, __u64 hash, - struct ll_dir_chain *chain); -int ll_dir_read(struct inode *inode, struct dir_context *ctx); - +int ll_dir_read(struct inode *inode, __u64 *ppos, struct md_op_data *op_data, + struct dir_context *ctx); int ll_get_mdt_idx(struct inode *inode); +int ll_get_mdt_idx_by_fid(struct ll_sb_info *sbi, const struct lu_fid *fid); +struct page *ll_get_dir_page(struct inode *dir, struct md_op_data *op_data, + __u64 offset, struct ll_dir_chain *chain); +void ll_release_page(struct inode *inode, struct page *page, bool remove); + /* llite/namei.c */ extern const struct inode_operations ll_special_inode_operations; @@ -659,9 +675,11 @@ int ll_objects_destroy(struct ptlrpc_request *request, struct inode *dir); struct inode *ll_iget(struct super_block *sb, ino_t hash, struct lustre_md *lic); +int ll_test_inode_by_fid(struct inode *inode, void *opaque); int ll_md_blocking_ast(struct ldlm_lock *, struct ldlm_lock_desc *, void *data, int flag); struct dentry *ll_splice_alias(struct inode *inode, struct dentry *de); +void ll_update_times(struct ptlrpc_request *request, struct inode *inode); /* llite/rw.c */ int ll_writepage(struct page *page, struct writeback_control *wbc); @@ -704,7 +722,10 @@ void ll_pack_inode2opdata(struct inode *inode, struct md_op_data *op_data, struct lustre_handle *fh); int ll_getattr(struct vfsmount *mnt, struct dentry *de, struct kstat *stat); struct posix_acl *ll_get_acl(struct inode *inode, int type); - +int ll_migrate(struct inode *parent, struct file *file, int mdtidx, + const char *name, int namelen); +int ll_get_fid_by_name(struct inode *parent, const char *name, + int namelen, struct lu_fid *fid); int ll_inode_permission(struct inode *inode, int mask); int ll_lov_setstripe_ea_info(struct inode *inode, struct dentry *dentry, @@ -715,8 +736,8 @@ int ll_lov_getstripe_ea_info(struct inode *inode, const char *filename, struct ptlrpc_request **request); int ll_dir_setstripe(struct inode *inode, struct lov_user_md *lump, int set_default); -int ll_dir_getstripe(struct inode *inode, struct lov_mds_md **lmmp, - int *lmm_size, struct ptlrpc_request **request); +int ll_dir_getstripe(struct inode *inode, void **lmmp, int *lmm_size, + struct ptlrpc_request **request, u64 valid); int ll_fsync(struct file *file, loff_t start, loff_t end, int data); int ll_merge_attr(const struct lu_env *env, struct inode *inode); int ll_fid2path(struct inode *inode, void __user *arg); @@ -748,8 +769,8 @@ int ll_setattr(struct dentry *de, struct iattr *attr); int ll_statfs(struct dentry *de, struct kstatfs *sfs); int ll_statfs_internal(struct super_block *sb, struct obd_statfs *osfs, __u64 max_age, __u32 flags); -void ll_update_inode(struct inode *inode, struct lustre_md *md); -void ll_read_inode2(struct inode *inode, void *opaque); +int ll_update_inode(struct inode *inode, struct lustre_md *md); +int ll_read_inode2(struct inode *inode, void *opaque); void ll_delete_inode(struct inode *inode); int ll_iocontrol(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg); @@ -764,6 +785,15 @@ int ll_obd_statfs(struct inode *inode, void __user *arg); int ll_get_max_mdsize(struct ll_sb_info *sbi, int *max_mdsize); int ll_get_default_mdsize(struct ll_sb_info *sbi, int *default_mdsize); int ll_process_config(struct lustre_cfg *lcfg); + +enum { + LUSTRE_OPC_MKDIR = 0, + LUSTRE_OPC_SYMLINK = 1, + LUSTRE_OPC_MKNOD = 2, + LUSTRE_OPC_CREATE = 3, + LUSTRE_OPC_ANY = 5, +}; + struct md_op_data *ll_prep_md_op_data(struct md_op_data *op_data, struct inode *i1, struct inode *i2, const char *name, int namelen, @@ -771,6 +801,7 @@ struct md_op_data *ll_prep_md_op_data(struct md_op_data *op_data, void ll_finish_md_op_data(struct md_op_data *op_data); int ll_get_obd_name(struct inode *inode, unsigned int cmd, unsigned long arg); char *ll_get_fsname(struct super_block *sb, char *buf, int buflen); +void ll_compute_rootsquash_state(struct ll_sb_info *sbi); void ll_open_cleanup(struct super_block *sb, struct ptlrpc_request *open_req); /* llite/llite_nfs.c */ @@ -779,6 +810,7 @@ __u32 get_uuid2int(const char *name, int len); void get_uuid2fsid(const char *name, int len, __kernel_fsid_t *fsid); struct inode *search_inode_for_lustre(struct super_block *sb, const struct lu_fid *fid); +int ll_dir_get_parent_fid(struct inode *dir, struct lu_fid *parent_fid); /* llite/symlink.c */ extern const struct inode_operations ll_fast_symlink_inode_operations; @@ -933,12 +965,9 @@ static inline __u64 ll_file_maxbytes(struct inode *inode) } /* llite/xattr.c */ -int ll_setxattr(struct dentry *dentry, struct inode *inode, - const char *name, const void *value, size_t size, int flags); -ssize_t ll_getxattr(struct dentry *dentry, struct inode *inode, - const char *name, void *buffer, size_t size); +extern const struct xattr_handler *ll_xattr_handlers[]; + ssize_t ll_listxattr(struct dentry *dentry, char *buffer, size_t size); -int ll_removexattr(struct dentry *dentry, const char *name); /** * Common IO arguments for various VFS I/O interfaces. @@ -995,7 +1024,8 @@ struct ll_statahead_info { unsigned int sai_ls_all:1, /* "ls -al", do stat-ahead for * hidden entries */ - sai_agl_valid:1;/* AGL is valid for the dir */ + sai_agl_valid:1,/* AGL is valid for the dir */ + sai_in_readpage:1;/* statahead is in readdir() */ wait_queue_head_t sai_waitq; /* stat-ahead wait queue */ struct ptlrpc_thread sai_thread; /* stat-ahead thread */ struct ptlrpc_thread sai_agl_thread; /* AGL thread */ @@ -1213,7 +1243,7 @@ static inline void ll_set_lock_data(struct obd_export *exp, struct inode *inode, CDEBUG(D_DLMTRACE, "setting l_data to inode "DFID"%p for remote lock %#llx\n", PFID(ll_inode2fid(inode)), inode, handle.cookie); - md_set_lock_data(exp, &handle.cookie, inode, NULL); + md_set_lock_data(exp, &handle, inode, NULL); } handle.cookie = it->it_lock_handle; @@ -1221,8 +1251,7 @@ static inline void ll_set_lock_data(struct obd_export *exp, struct inode *inode, CDEBUG(D_DLMTRACE, "setting l_data to inode "DFID"%p for lock %#llx\n", PFID(ll_inode2fid(inode)), inode, handle.cookie); - md_set_lock_data(exp, &handle.cookie, inode, - &it->it_lock_bits); + md_set_lock_data(exp, &handle, inode, &it->it_lock_bits); it->it_lock_set = 1; } diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c index 546063e728db..1ff788ed5b52 100644 --- a/drivers/staging/lustre/lustre/llite/llite_lib.c +++ b/drivers/staging/lustre/lustre/llite/llite_lib.c @@ -41,6 +41,7 @@ #include <linux/types.h> #include <linux/mm.h> +#include "../include/lustre/lustre_ioctl.h" #include "../include/lustre_lite.h" #include "../include/lustre_ha.h" #include "../include/lustre_dlm.h" @@ -118,6 +119,12 @@ static struct ll_sb_info *ll_init_sbi(struct super_block *sb) atomic_set(&sbi->ll_agl_total, 0); sbi->ll_flags |= LL_SBI_AGL_ENABLED; + /* root squash */ + sbi->ll_squash.rsi_uid = 0; + sbi->ll_squash.rsi_gid = 0; + INIT_LIST_HEAD(&sbi->ll_squash.rsi_nosquash_nids); + init_rwsem(&sbi->ll_squash.rsi_sem); + sbi->ll_sb = sb; return sbi; @@ -128,6 +135,8 @@ static void ll_free_sbi(struct super_block *sb) struct ll_sb_info *sbi = ll_s2sbi(sb); if (sbi->ll_cache) { + if (!list_empty(&sbi->ll_squash.rsi_nosquash_nids)) + cfs_free_nidlist(&sbi->ll_squash.rsi_nosquash_nids); cl_cache_decref(sbi->ll_cache); sbi->ll_cache = NULL; } @@ -180,7 +189,9 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, OBD_CONNECT_PINGLESS | OBD_CONNECT_MAX_EASIZE | OBD_CONNECT_FLOCK_DEAD | - OBD_CONNECT_DISP_STRIPE; + OBD_CONNECT_DISP_STRIPE | OBD_CONNECT_LFSCK | + OBD_CONNECT_OPEN_BY_FID | + OBD_CONNECT_DIR_STRIPE; if (sbi->ll_flags & LL_SBI_SOM_PREVIEW) data->ocd_connect_flags |= OBD_CONNECT_SOM; @@ -310,9 +321,9 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, sbi->ll_flags |= LL_SBI_64BIT_HASH; if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE) - sbi->ll_md_brw_size = data->ocd_brw_size; + sbi->ll_md_brw_pages = data->ocd_brw_size >> PAGE_SHIFT; else - sbi->ll_md_brw_size = PAGE_SIZE; + sbi->ll_md_brw_pages = 1; if (data->ocd_connect_flags & OBD_CONNECT_LAYOUTLOCK) sbi->ll_flags |= LL_SBI_LAYOUT_LOCK; @@ -418,6 +429,7 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, CDEBUG(D_SUPER, "rootfid "DFID"\n", PFID(&sbi->ll_root_fid)); sb->s_op = &lustre_super_operations; + sb->s_xattr = ll_xattr_handlers; #if THREAD_SIZE >= 8192 /*b=17630*/ sb->s_export_op = &lustre_export_operations; #endif @@ -462,7 +474,7 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, md_free_lustre_md(sbi->ll_md_exp, &lmd); ptlrpc_req_finished(request); - if (!(root)) { + if (IS_ERR(root)) { if (lmd.lsm) obd_free_memmd(sbi->ll_dt_exp, &lmd.lsm); #ifdef CONFIG_FS_POSIX_ACL @@ -486,11 +498,21 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, err = obd_set_info_async(NULL, sbi->ll_dt_exp, sizeof(KEY_CHECKSUM), KEY_CHECKSUM, sizeof(checksum), &checksum, NULL); + if (err) { + CERROR("%s: Set checksum failed: rc = %d\n", + sbi->ll_dt_exp->exp_obd->obd_name, err); + goto out_root; + } cl_sb_init(sb); err = obd_set_info_async(NULL, sbi->ll_dt_exp, sizeof(KEY_CACHE_SET), KEY_CACHE_SET, sizeof(*sbi->ll_cache), sbi->ll_cache, NULL); + if (err) { + CERROR("%s: Set cache_set failed: rc = %d\n", + sbi->ll_dt_exp->exp_obd->obd_name, err); + goto out_root; + } sb->s_root = d_make_root(root); if (!sb->s_root) { @@ -647,7 +669,8 @@ static int ll_options(char *options, int *flags) *flags |= tmp; goto next; } - tmp = ll_set_opt("noflock", s1, LL_SBI_FLOCK|LL_SBI_LOCALFLOCK); + tmp = ll_set_opt("noflock", s1, + LL_SBI_FLOCK | LL_SBI_LOCALFLOCK); if (tmp) { *flags &= ~tmp; goto next; @@ -991,6 +1014,211 @@ struct inode *ll_inode_from_resource_lock(struct ldlm_lock *lock) return inode; } +static void ll_dir_clear_lsm_md(struct inode *inode) +{ + struct ll_inode_info *lli = ll_i2info(inode); + + LASSERT(S_ISDIR(inode->i_mode)); + + if (lli->lli_lsm_md) { + lmv_free_memmd(lli->lli_lsm_md); + lli->lli_lsm_md = NULL; + } +} + +static struct inode *ll_iget_anon_dir(struct super_block *sb, + const struct lu_fid *fid, + struct lustre_md *md) +{ + struct ll_sb_info *sbi = ll_s2sbi(sb); + struct mdt_body *body = md->body; + struct inode *inode; + ino_t ino; + + ino = cl_fid_build_ino(fid, sbi->ll_flags & LL_SBI_32BIT_API); + inode = iget_locked(sb, ino); + if (!inode) { + CERROR("%s: failed get simple inode "DFID": rc = -ENOENT\n", + ll_get_fsname(sb, NULL, 0), PFID(fid)); + return ERR_PTR(-ENOENT); + } + + if (inode->i_state & I_NEW) { + struct ll_inode_info *lli = ll_i2info(inode); + struct lmv_stripe_md *lsm = md->lmv; + + inode->i_mode = (inode->i_mode & ~S_IFMT) | + (body->mbo_mode & S_IFMT); + LASSERTF(S_ISDIR(inode->i_mode), "Not slave inode "DFID"\n", + PFID(fid)); + + LTIME_S(inode->i_mtime) = 0; + LTIME_S(inode->i_atime) = 0; + LTIME_S(inode->i_ctime) = 0; + inode->i_rdev = 0; + + inode->i_op = &ll_dir_inode_operations; + inode->i_fop = &ll_dir_operations; + lli->lli_fid = *fid; + ll_lli_init(lli); + + LASSERT(lsm); + /* master object FID */ + lli->lli_pfid = body->mbo_fid1; + CDEBUG(D_INODE, "lli %p slave "DFID" master "DFID"\n", + lli, PFID(fid), PFID(&lli->lli_pfid)); + unlock_new_inode(inode); + } + + return inode; +} + +static int ll_init_lsm_md(struct inode *inode, struct lustre_md *md) +{ + struct lmv_stripe_md *lsm = md->lmv; + struct lu_fid *fid; + int i; + + LASSERT(lsm); + /* + * XXX sigh, this lsm_root initialization should be in + * LMV layer, but it needs ll_iget right now, so we + * put this here right now. + */ + for (i = 0; i < lsm->lsm_md_stripe_count; i++) { + fid = &lsm->lsm_md_oinfo[i].lmo_fid; + LASSERT(!lsm->lsm_md_oinfo[i].lmo_root); + /* Unfortunately ll_iget will call ll_update_inode, + * where the initialization of slave inode is slightly + * different, so it reset lsm_md to NULL to avoid + * initializing lsm for slave inode. + */ + /* For migrating inode, master stripe and master object will + * be same, so we only need assign this inode + */ + if (lsm->lsm_md_hash_type & LMV_HASH_FLAG_MIGRATION && !i) + lsm->lsm_md_oinfo[i].lmo_root = inode; + else + lsm->lsm_md_oinfo[i].lmo_root = + ll_iget_anon_dir(inode->i_sb, fid, md); + if (IS_ERR(lsm->lsm_md_oinfo[i].lmo_root)) { + int rc = PTR_ERR(lsm->lsm_md_oinfo[i].lmo_root); + + lsm->lsm_md_oinfo[i].lmo_root = NULL; + return rc; + } + } + + /* + * Here is where the lsm is being initialized(fill lmo_info) after + * client retrieve MD stripe information from MDT. + */ + return md_update_lsm_md(ll_i2mdexp(inode), lsm, md->body, + ll_md_blocking_ast); +} + +static inline int lli_lsm_md_eq(const struct lmv_stripe_md *lsm_md1, + const struct lmv_stripe_md *lsm_md2) +{ + return lsm_md1->lsm_md_magic == lsm_md2->lsm_md_magic && + lsm_md1->lsm_md_stripe_count == lsm_md2->lsm_md_stripe_count && + lsm_md1->lsm_md_master_mdt_index == + lsm_md2->lsm_md_master_mdt_index && + lsm_md1->lsm_md_hash_type == lsm_md2->lsm_md_hash_type && + lsm_md1->lsm_md_layout_version == + lsm_md2->lsm_md_layout_version && + !strcmp(lsm_md1->lsm_md_pool_name, + lsm_md2->lsm_md_pool_name); +} + +static int ll_update_lsm_md(struct inode *inode, struct lustre_md *md) +{ + struct ll_inode_info *lli = ll_i2info(inode); + struct lmv_stripe_md *lsm = md->lmv; + int rc; + + LASSERT(S_ISDIR(inode->i_mode)); + CDEBUG(D_INODE, "update lsm %p of "DFID"\n", lli->lli_lsm_md, + PFID(ll_inode2fid(inode))); + + /* no striped information from request. */ + if (!lsm) { + if (!lli->lli_lsm_md) { + return 0; + } else if (lli->lli_lsm_md->lsm_md_hash_type & + LMV_HASH_FLAG_MIGRATION) { + /* + * migration is done, the temporay MIGRATE layout has + * been removed + */ + CDEBUG(D_INODE, DFID" finish migration.\n", + PFID(ll_inode2fid(inode))); + lmv_free_memmd(lli->lli_lsm_md); + lli->lli_lsm_md = NULL; + return 0; + } else { + /* + * The lustre_md from req does not include stripeEA, + * see ll_md_setattr + */ + return 0; + } + } + + /* set the directory layout */ + if (!lli->lli_lsm_md) { + rc = ll_init_lsm_md(inode, md); + if (rc) + return rc; + + lli->lli_lsm_md = lsm; + /* + * set lsm_md to NULL, so the following free lustre_md + * will not free this lsm + */ + md->lmv = NULL; + CDEBUG(D_INODE, "Set lsm %p magic %x to "DFID"\n", lsm, + lsm->lsm_md_magic, PFID(ll_inode2fid(inode))); + return 0; + } + + /* Compare the old and new stripe information */ + if (!lsm_md_eq(lli->lli_lsm_md, lsm)) { + struct lmv_stripe_md *old_lsm = lli->lli_lsm_md; + int idx; + + CERROR("%s: inode "DFID"(%p)'s lmv layout mismatch (%p)/(%p) magic:0x%x/0x%x stripe count: %d/%d master_mdt: %d/%d hash_type:0x%x/0x%x layout: 0x%x/0x%x pool:%s/%s\n", + ll_get_fsname(inode->i_sb, NULL, 0), PFID(&lli->lli_fid), + inode, lsm, old_lsm, + lsm->lsm_md_magic, old_lsm->lsm_md_magic, + lsm->lsm_md_stripe_count, + old_lsm->lsm_md_stripe_count, + lsm->lsm_md_master_mdt_index, + old_lsm->lsm_md_master_mdt_index, + lsm->lsm_md_hash_type, old_lsm->lsm_md_hash_type, + lsm->lsm_md_layout_version, + old_lsm->lsm_md_layout_version, + lsm->lsm_md_pool_name, + old_lsm->lsm_md_pool_name); + + for (idx = 0; idx < old_lsm->lsm_md_stripe_count; idx++) { + CERROR("%s: sub FIDs in old lsm idx %d, old: "DFID"\n", + ll_get_fsname(inode->i_sb, NULL, 0), idx, + PFID(&old_lsm->lsm_md_oinfo[idx].lmo_fid)); + } + + for (idx = 0; idx < lsm->lsm_md_stripe_count; idx++) { + CERROR("%s: sub FIDs in new lsm idx %d, new: "DFID"\n", + ll_get_fsname(inode->i_sb, NULL, 0), idx, + PFID(&lsm->lsm_md_oinfo[idx].lmo_fid)); + } + + return -EIO; + } + + return 0; +} + void ll_clear_inode(struct inode *inode) { struct ll_inode_info *lli = ll_i2info(inode); @@ -1031,14 +1259,15 @@ void ll_clear_inode(struct inode *inode) #ifdef CONFIG_FS_POSIX_ACL if (lli->lli_posix_acl) { - LASSERT(atomic_read(&lli->lli_posix_acl->a_refcount) == 1); posix_acl_release(lli->lli_posix_acl); lli->lli_posix_acl = NULL; } #endif lli->lli_inode_magic = LLI_INODE_DEAD; - if (!S_ISDIR(inode->i_mode)) + if (S_ISDIR(inode->i_mode)) + ll_dir_clear_lsm_md(inode); + if (S_ISREG(inode->i_mode) && !is_bad_inode(inode)) LASSERT(list_empty(&lli->lli_agl_list)); /* @@ -1103,10 +1332,10 @@ static int ll_md_setattr(struct dentry *dentry, struct md_op_data *op_data, op_data->op_attr.ia_valid = ia_valid; /* Extract epoch data if obtained. */ - op_data->op_handle = md.body->handle; - op_data->op_ioepoch = md.body->ioepoch; + op_data->op_handle = md.body->mbo_handle; + op_data->op_ioepoch = md.body->mbo_ioepoch; - ll_update_inode(inode, &md); + rc = ll_update_inode(inode, &md); ptlrpc_req_finished(request); return rc; @@ -1138,8 +1367,8 @@ static int ll_setattr_done_writing(struct inode *inode, rc = ll_som_update(inode, op_data); else if (rc) { CERROR("%s: inode "DFID" mdc truncate failed: rc = %d\n", - ll_i2sbi(inode)->ll_md_exp->exp_obd->obd_name, - PFID(ll_inode2fid(inode)), rc); + ll_i2sbi(inode)->ll_md_exp->exp_obd->obd_name, + PFID(ll_inode2fid(inode)), rc); } return rc; } @@ -1331,14 +1560,14 @@ int ll_setattr(struct dentry *de, struct iattr *attr) { int mode = d_inode(de)->i_mode; - if ((attr->ia_valid & (ATTR_CTIME|ATTR_SIZE|ATTR_MODE)) == - (ATTR_CTIME|ATTR_SIZE|ATTR_MODE)) + if ((attr->ia_valid & (ATTR_CTIME | ATTR_SIZE | ATTR_MODE)) == + (ATTR_CTIME | ATTR_SIZE | ATTR_MODE)) attr->ia_valid |= MDS_OPEN_OWNEROVERRIDE; - if (((attr->ia_valid & (ATTR_MODE|ATTR_FORCE|ATTR_SIZE)) == - (ATTR_SIZE|ATTR_MODE)) && + if (((attr->ia_valid & (ATTR_MODE | ATTR_FORCE | ATTR_SIZE)) == + (ATTR_SIZE | ATTR_MODE)) && (((mode & S_ISUID) && !(attr->ia_mode & S_ISUID)) || - (((mode & (S_ISGID|S_IXGRP)) == (S_ISGID|S_IXGRP)) && + (((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) && !(attr->ia_mode & S_ISGID)))) attr->ia_valid |= ATTR_FORCE; @@ -1349,7 +1578,7 @@ int ll_setattr(struct dentry *de, struct iattr *attr) attr->ia_valid |= ATTR_KILL_SUID; if ((attr->ia_valid & ATTR_MODE) && - ((mode & (S_ISGID|S_IXGRP)) == (S_ISGID|S_IXGRP)) && + ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) && !(attr->ia_mode & S_ISGID) && !(attr->ia_valid & ATTR_KILL_SGID)) attr->ia_valid |= ATTR_KILL_SGID; @@ -1465,14 +1694,14 @@ void ll_inode_size_unlock(struct inode *inode) mutex_unlock(&lli->lli_size_mutex); } -void ll_update_inode(struct inode *inode, struct lustre_md *md) +int ll_update_inode(struct inode *inode, struct lustre_md *md) { struct ll_inode_info *lli = ll_i2info(inode); struct mdt_body *body = md->body; struct lov_stripe_md *lsm = md->lsm; struct ll_sb_info *sbi = ll_i2sbi(inode); - LASSERT((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0)); + LASSERT((lsm != NULL) == ((body->mbo_valid & OBD_MD_FLEASIZE) != 0)); if (lsm) { if (!lli->lli_has_smd && !(sbi->ll_flags & LL_SBI_LAYOUT_LOCK)) @@ -1483,8 +1712,16 @@ void ll_update_inode(struct inode *inode, struct lustre_md *md) lli->lli_maxbytes = MAX_LFS_FILESIZE; } + if (S_ISDIR(inode->i_mode)) { + int rc; + + rc = ll_update_lsm_md(inode, md); + if (rc) + return rc; + } + #ifdef CONFIG_FS_POSIX_ACL - if (body->valid & OBD_MD_FLACL) { + if (body->mbo_valid & OBD_MD_FLACL) { spin_lock(&lli->lli_lock); if (lli->lli_posix_acl) posix_acl_release(lli->lli_posix_acl); @@ -1492,65 +1729,67 @@ void ll_update_inode(struct inode *inode, struct lustre_md *md) spin_unlock(&lli->lli_lock); } #endif - inode->i_ino = cl_fid_build_ino(&body->fid1, + inode->i_ino = cl_fid_build_ino(&body->mbo_fid1, sbi->ll_flags & LL_SBI_32BIT_API); - inode->i_generation = cl_fid_build_gen(&body->fid1); + inode->i_generation = cl_fid_build_gen(&body->mbo_fid1); - if (body->valid & OBD_MD_FLATIME) { - if (body->atime > LTIME_S(inode->i_atime)) - LTIME_S(inode->i_atime) = body->atime; - lli->lli_atime = body->atime; + if (body->mbo_valid & OBD_MD_FLATIME) { + if (body->mbo_atime > LTIME_S(inode->i_atime)) + LTIME_S(inode->i_atime) = body->mbo_atime; + lli->lli_atime = body->mbo_atime; } - if (body->valid & OBD_MD_FLMTIME) { - if (body->mtime > LTIME_S(inode->i_mtime)) { + if (body->mbo_valid & OBD_MD_FLMTIME) { + if (body->mbo_mtime > LTIME_S(inode->i_mtime)) { CDEBUG(D_INODE, "setting ino %lu mtime from %lu to %llu\n", inode->i_ino, LTIME_S(inode->i_mtime), - body->mtime); - LTIME_S(inode->i_mtime) = body->mtime; + body->mbo_mtime); + LTIME_S(inode->i_mtime) = body->mbo_mtime; } - lli->lli_mtime = body->mtime; - } - if (body->valid & OBD_MD_FLCTIME) { - if (body->ctime > LTIME_S(inode->i_ctime)) - LTIME_S(inode->i_ctime) = body->ctime; - lli->lli_ctime = body->ctime; - } - if (body->valid & OBD_MD_FLMODE) - inode->i_mode = (inode->i_mode & S_IFMT)|(body->mode & ~S_IFMT); - if (body->valid & OBD_MD_FLTYPE) - inode->i_mode = (inode->i_mode & ~S_IFMT)|(body->mode & S_IFMT); + lli->lli_mtime = body->mbo_mtime; + } + if (body->mbo_valid & OBD_MD_FLCTIME) { + if (body->mbo_ctime > LTIME_S(inode->i_ctime)) + LTIME_S(inode->i_ctime) = body->mbo_ctime; + lli->lli_ctime = body->mbo_ctime; + } + if (body->mbo_valid & OBD_MD_FLMODE) + inode->i_mode = (inode->i_mode & S_IFMT) | + (body->mbo_mode & ~S_IFMT); + if (body->mbo_valid & OBD_MD_FLTYPE) + inode->i_mode = (inode->i_mode & ~S_IFMT) | + (body->mbo_mode & S_IFMT); LASSERT(inode->i_mode != 0); if (S_ISREG(inode->i_mode)) inode->i_blkbits = min(PTLRPC_MAX_BRW_BITS + 1, LL_MAX_BLKSIZE_BITS); else inode->i_blkbits = inode->i_sb->s_blocksize_bits; - if (body->valid & OBD_MD_FLUID) - inode->i_uid = make_kuid(&init_user_ns, body->uid); - if (body->valid & OBD_MD_FLGID) - inode->i_gid = make_kgid(&init_user_ns, body->gid); - if (body->valid & OBD_MD_FLFLAGS) - inode->i_flags = ll_ext_to_inode_flags(body->flags); - if (body->valid & OBD_MD_FLNLINK) - set_nlink(inode, body->nlink); - if (body->valid & OBD_MD_FLRDEV) - inode->i_rdev = old_decode_dev(body->rdev); - - if (body->valid & OBD_MD_FLID) { + if (body->mbo_valid & OBD_MD_FLUID) + inode->i_uid = make_kuid(&init_user_ns, body->mbo_uid); + if (body->mbo_valid & OBD_MD_FLGID) + inode->i_gid = make_kgid(&init_user_ns, body->mbo_gid); + if (body->mbo_valid & OBD_MD_FLFLAGS) + inode->i_flags = ll_ext_to_inode_flags(body->mbo_flags); + if (body->mbo_valid & OBD_MD_FLNLINK) + set_nlink(inode, body->mbo_nlink); + if (body->mbo_valid & OBD_MD_FLRDEV) + inode->i_rdev = old_decode_dev(body->mbo_rdev); + + if (body->mbo_valid & OBD_MD_FLID) { /* FID shouldn't be changed! */ if (fid_is_sane(&lli->lli_fid)) { - LASSERTF(lu_fid_eq(&lli->lli_fid, &body->fid1), + LASSERTF(lu_fid_eq(&lli->lli_fid, &body->mbo_fid1), "Trying to change FID "DFID" to the "DFID", inode "DFID"(%p)\n", - PFID(&lli->lli_fid), PFID(&body->fid1), + PFID(&lli->lli_fid), PFID(&body->mbo_fid1), PFID(ll_inode2fid(inode)), inode); } else { - lli->lli_fid = body->fid1; + lli->lli_fid = body->mbo_fid1; } } LASSERT(fid_seq(&lli->lli_fid) != 0); - if (body->valid & OBD_MD_FLSIZE) { + if (body->mbo_valid & OBD_MD_FLSIZE) { if (exp_connect_som(ll_i2mdexp(inode)) && S_ISREG(inode->i_mode)) { struct lustre_handle lockh; @@ -1577,7 +1816,7 @@ void ll_update_inode(struct inode *inode, struct lustre_md *md) /* Use old size assignment to avoid * deadlock bz14138 & bz14326 */ - i_size_write(inode, body->size); + i_size_write(inode, body->mbo_size); spin_lock(&lli->lli_lock); lli->lli_flags |= LLIF_MDS_SIZE_LOCK; spin_unlock(&lli->lli_lock); @@ -1588,26 +1827,29 @@ void ll_update_inode(struct inode *inode, struct lustre_md *md) /* Use old size assignment to avoid * deadlock bz14138 & bz14326 */ - i_size_write(inode, body->size); + i_size_write(inode, body->mbo_size); CDEBUG(D_VFSTRACE, "inode=%lu, updating i_size %llu\n", - inode->i_ino, (unsigned long long)body->size); + inode->i_ino, (unsigned long long)body->mbo_size); } - if (body->valid & OBD_MD_FLBLOCKS) - inode->i_blocks = body->blocks; + if (body->mbo_valid & OBD_MD_FLBLOCKS) + inode->i_blocks = body->mbo_blocks; } - if (body->valid & OBD_MD_TSTATE) { - if (body->t_state & MS_RESTORE) + if (body->mbo_valid & OBD_MD_TSTATE) { + if (body->mbo_t_state & MS_RESTORE) lli->lli_flags |= LLIF_FILE_RESTORING; } + + return 0; } -void ll_read_inode2(struct inode *inode, void *opaque) +int ll_read_inode2(struct inode *inode, void *opaque) { struct lustre_md *md = opaque; struct ll_inode_info *lli = ll_i2info(inode); + int rc; CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p)\n", PFID(&lli->lli_fid), inode); @@ -1623,7 +1865,9 @@ void ll_read_inode2(struct inode *inode, void *opaque) LTIME_S(inode->i_atime) = 0; LTIME_S(inode->i_ctime) = 0; inode->i_rdev = 0; - ll_update_inode(inode, md); + rc = ll_update_inode(inode, md); + if (rc) + return rc; /* OIDEBUG(inode); */ @@ -1644,6 +1888,8 @@ void ll_read_inode2(struct inode *inode, void *opaque) init_special_inode(inode, inode->i_mode, inode->i_rdev); } + + return 0; } void ll_delete_inode(struct inode *inode) @@ -1704,7 +1950,7 @@ int ll_iocontrol(struct inode *inode, struct file *file, body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY); - flags = body->flags; + flags = body->mbo_flags; ptlrpc_req_finished(req); @@ -1886,9 +2132,9 @@ void ll_open_cleanup(struct super_block *sb, struct ptlrpc_request *open_req) if (!op_data) return; - op_data->op_fid1 = body->fid1; - op_data->op_ioepoch = body->ioepoch; - op_data->op_handle = body->handle; + op_data->op_fid1 = body->mbo_fid1; + op_data->op_ioepoch = body->mbo_ioepoch; + op_data->op_handle = body->mbo_handle; op_data->op_mod_time = get_seconds(); md_close(exp, op_data, NULL, &close_req); ptlrpc_req_finished(close_req); @@ -1910,7 +2156,9 @@ int ll_prep_inode(struct inode **inode, struct ptlrpc_request *req, goto cleanup; if (*inode) { - ll_update_inode(*inode, &md); + rc = ll_update_inode(*inode, &md); + if (rc) + goto out; } else { LASSERT(sb); @@ -1918,18 +2166,18 @@ int ll_prep_inode(struct inode **inode, struct ptlrpc_request *req, * At this point server returns to client's same fid as client * generated for creating. So using ->fid1 is okay here. */ - if (!fid_is_sane(&md.body->fid1)) { + if (!fid_is_sane(&md.body->mbo_fid1)) { CERROR("%s: Fid is insane " DFID "\n", ll_get_fsname(sb, NULL, 0), - PFID(&md.body->fid1)); + PFID(&md.body->mbo_fid1)); rc = -EINVAL; goto out; } - *inode = ll_iget(sb, cl_fid_build_ino(&md.body->fid1, + *inode = ll_iget(sb, cl_fid_build_ino(&md.body->mbo_fid1, sbi->ll_flags & LL_SBI_32BIT_API), &md); - if (!*inode) { + if (IS_ERR(*inode)) { #ifdef CONFIG_FS_POSIX_ACL if (md.posix_acl) { posix_acl_release(md.posix_acl); @@ -2078,8 +2326,17 @@ struct md_op_data *ll_prep_md_op_data(struct md_op_data *op_data, const char *name, int namelen, int mode, __u32 opc, void *data) { - if (namelen > ll_i2sbi(i1)->ll_namelen) - return ERR_PTR(-ENAMETOOLONG); + if (!name) { + /* Do not reuse namelen for something else. */ + if (namelen) + return ERR_PTR(-EINVAL); + } else { + if (namelen > ll_i2sbi(i1)->ll_namelen) + return ERR_PTR(-ENAMETOOLONG); + + if (!lu_name_is_valid_2(name, namelen)) + return ERR_PTR(-EINVAL); + } if (!op_data) op_data = kzalloc(sizeof(*op_data), GFP_NOFS); @@ -2089,11 +2346,22 @@ struct md_op_data *ll_prep_md_op_data(struct md_op_data *op_data, ll_i2gids(op_data->op_suppgids, i1, i2); op_data->op_fid1 = *ll_inode2fid(i1); + if (S_ISDIR(i1->i_mode)) + op_data->op_mea1 = ll_i2info(i1)->lli_lsm_md; - if (i2) + if (i2) { op_data->op_fid2 = *ll_inode2fid(i2); - else + if (S_ISDIR(i2->i_mode)) + op_data->op_mea2 = ll_i2info(i2)->lli_lsm_md; + } else { fid_zero(&op_data->op_fid2); + } + + if (ll_i2sbi(i1)->ll_flags & LL_SBI_64BIT_HASH) + op_data->op_cli_flags |= CLI_HASH64; + + if (ll_need_32bit_api(ll_i2sbi(i1))) + op_data->op_cli_flags |= CLI_API32; op_data->op_name = name; op_data->op_namelen = namelen; @@ -2107,24 +2375,9 @@ struct md_op_data *ll_prep_md_op_data(struct md_op_data *op_data, if ((opc == LUSTRE_OPC_CREATE) && name && filename_is_volatile(name, namelen, NULL)) op_data->op_bias |= MDS_CREATE_VOLATILE; - op_data->op_opc = opc; op_data->op_mds = 0; op_data->op_data = data; - /* If the file is being opened after mknod() (normally due to NFS) - * try to use the default stripe data from parent directory for - * allocating OST objects. Try to pass the parent FID to MDS. - */ - if (opc == LUSTRE_OPC_CREATE && i1 == i2 && S_ISREG(i2->i_mode) && - !ll_i2info(i2)->lli_has_smd) { - struct ll_inode_info *lli = ll_i2info(i2); - - spin_lock(&lli->lli_lock); - if (likely(!lli->lli_has_smd && !fid_is_zero(&lli->lli_pfid))) - op_data->op_fid1 = lli->lli_pfid; - spin_unlock(&lli->lli_lock); - } - /* When called by ll_setattr_raw, file is i1. */ if (ll_i2info(i1)->lli_flags & LLIF_DATA_MODIFIED) op_data->op_bias |= MDS_DATA_MODIFIED; @@ -2251,3 +2504,42 @@ void ll_dirty_page_discard_warn(struct page *page, int ioret) if (buf) free_page((unsigned long)buf); } + +/* + * Compute llite root squash state after a change of root squash + * configuration setting or add/remove of a lnet nid + */ +void ll_compute_rootsquash_state(struct ll_sb_info *sbi) +{ + struct root_squash_info *squash = &sbi->ll_squash; + lnet_process_id_t id; + bool matched; + int i; + + /* Update norootsquash flag */ + down_write(&squash->rsi_sem); + if (list_empty(&squash->rsi_nosquash_nids)) { + sbi->ll_flags &= ~LL_SBI_NOROOTSQUASH; + } else { + /* + * Do not apply root squash as soon as one of our NIDs is + * in the nosquash_nids list + */ + matched = false; + i = 0; + + while (LNetGetId(i++, &id) != -ENOENT) { + if (LNET_NETTYP(LNET_NIDNET(id.nid)) == LOLND) + continue; + if (cfs_match_nid(id.nid, &squash->rsi_nosquash_nids)) { + matched = true; + break; + } + } + if (matched) + sbi->ll_flags |= LL_SBI_NOROOTSQUASH; + else + sbi->ll_flags &= ~LL_SBI_NOROOTSQUASH; + } + up_write(&squash->rsi_sem); +} diff --git a/drivers/staging/lustre/lustre/llite/llite_mmap.c b/drivers/staging/lustre/lustre/llite/llite_mmap.c index 66ee5db5fce8..37f82ed22864 100644 --- a/drivers/staging/lustre/lustre/llite/llite_mmap.c +++ b/drivers/staging/lustre/lustre/llite/llite_mmap.c @@ -126,7 +126,7 @@ restart: fio = &io->u.ci_fault; fio->ft_index = index; - fio->ft_executable = vma->vm_flags&VM_EXEC; + fio->ft_executable = vma->vm_flags & VM_EXEC; /* * disable VM_SEQ_READ and use VM_RAND_READ to make sure that @@ -134,7 +134,7 @@ restart: * filemap_nopage. we do our readahead in ll_readpage. */ if (ra_flags) - *ra_flags = vma->vm_flags & (VM_RAND_READ|VM_SEQ_READ); + *ra_flags = vma->vm_flags & (VM_RAND_READ | VM_SEQ_READ); vma->vm_flags &= ~VM_SEQ_READ; vma->vm_flags |= VM_RAND_READ; @@ -429,7 +429,6 @@ static void ll_vm_open(struct vm_area_struct *vma) struct inode *inode = file_inode(vma->vm_file); struct vvp_object *vob = cl_inode2vvp(inode); - LASSERT(vma->vm_file); LASSERT(atomic_read(&vob->vob_mmap_cnt) >= 0); atomic_inc(&vob->vob_mmap_cnt); } @@ -442,7 +441,6 @@ static void ll_vm_close(struct vm_area_struct *vma) struct inode *inode = file_inode(vma->vm_file); struct vvp_object *vob = cl_inode2vvp(inode); - LASSERT(vma->vm_file); atomic_dec(&vob->vob_mmap_cnt); LASSERT(atomic_read(&vob->vob_mmap_cnt) >= 0); } diff --git a/drivers/staging/lustre/lustre/llite/llite_nfs.c b/drivers/staging/lustre/lustre/llite/llite_nfs.c index 65972c892731..1e156dcf77c2 100644 --- a/drivers/staging/lustre/lustre/llite/llite_nfs.c +++ b/drivers/staging/lustre/lustre/llite/llite_nfs.c @@ -73,11 +73,6 @@ void get_uuid2fsid(const char *name, int len, __kernel_fsid_t *fsid) fsid->val[1] = key >> 32; } -static int ll_nfs_test_inode(struct inode *inode, void *opaque) -{ - return lu_fid_eq(&ll_i2info(inode)->lli_fid, opaque); -} - struct inode *search_inode_for_lustre(struct super_block *sb, const struct lu_fid *fid) { @@ -92,7 +87,7 @@ struct inode *search_inode_for_lustre(struct super_block *sb, CDEBUG(D_INFO, "searching inode for:(%lu,"DFID")\n", hash, PFID(fid)); - inode = ilookup5(sb, hash, ll_nfs_test_inode, (void *)fid); + inode = ilookup5(sb, hash, ll_test_inode_by_fid, (void *)fid); if (inode) return inode; @@ -153,12 +148,18 @@ ll_iget_for_nfs(struct super_block *sb, struct lu_fid *fid, struct lu_fid *paren return ERR_PTR(-ESTALE); } + result = d_obtain_alias(inode); + if (IS_ERR(result)) { + iput(inode); + return result; + } + /** - * It is an anonymous dentry without OST objects created yet. - * We have to find the parent to tell MDS how to init lov objects. + * In case d_obtain_alias() found a disconnected dentry, always update + * lli_pfid to allow later operation (normally open) have parent fid, + * which may be used by MDS to create data. */ - if (S_ISREG(inode->i_mode) && !ll_i2info(inode)->lli_has_smd && - parent && !fid_is_zero(parent)) { + if (parent) { struct ll_inode_info *lli = ll_i2info(inode); spin_lock(&lli->lli_lock); @@ -255,6 +256,8 @@ static int ll_get_name(struct dentry *dentry, char *name, .lgd_fid = ll_i2info(d_inode(child))->lli_fid, .ctx.actor = ll_nfs_get_name_filldir, }; + struct md_op_data *op_data; + __u64 pos = 0; if (!dir || !S_ISDIR(dir->i_mode)) { rc = -ENOTDIR; @@ -266,9 +269,18 @@ static int ll_get_name(struct dentry *dentry, char *name, goto out; } + op_data = ll_prep_md_op_data(NULL, dir, dir, NULL, 0, 0, + LUSTRE_OPC_ANY, dir); + if (IS_ERR(op_data)) { + rc = PTR_ERR(op_data); + goto out; + } + + op_data->op_max_pages = ll_i2sbi(dir)->ll_md_brw_pages; inode_lock(dir); - rc = ll_dir_read(dir, &lgd.ctx); + rc = ll_dir_read(dir, &pos, op_data, &lgd.ctx); inode_unlock(dir); + ll_finish_md_op_data(op_data); if (!rc && !lgd.lgd_found) rc = -ENOENT; out: @@ -297,14 +309,12 @@ static struct dentry *ll_fh_to_parent(struct super_block *sb, struct fid *fid, return ll_iget_for_nfs(sb, &nfs_fid->lnf_parent, NULL); } -static struct dentry *ll_get_parent(struct dentry *dchild) +int ll_dir_get_parent_fid(struct inode *dir, struct lu_fid *parent_fid) { struct ptlrpc_request *req = NULL; - struct inode *dir = d_inode(dchild); struct ll_sb_info *sbi; - struct dentry *result = NULL; struct mdt_body *body; - static char dotdot[] = ".."; + static const char dotdot[] = ".."; struct md_op_data *op_data; int rc; int lmmsize; @@ -319,13 +329,13 @@ static struct dentry *ll_get_parent(struct dentry *dchild) rc = ll_get_default_mdsize(sbi, &lmmsize); if (rc != 0) - return ERR_PTR(rc); + return rc; op_data = ll_prep_md_op_data(NULL, dir, NULL, dotdot, strlen(dotdot), lmmsize, LUSTRE_OPC_ANY, NULL); if (IS_ERR(op_data)) - return (void *)op_data; + return PTR_ERR(op_data); rc = md_getattr_name(sbi->ll_md_exp, op_data, &req); ll_finish_md_op_data(op_data); @@ -333,21 +343,36 @@ static struct dentry *ll_get_parent(struct dentry *dchild) CERROR("%s: failure inode "DFID" get parent: rc = %d\n", ll_get_fsname(dir->i_sb, NULL, 0), PFID(ll_inode2fid(dir)), rc); - return ERR_PTR(rc); + return rc; } body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY); /* * LU-3952: MDT may lost the FID of its parent, we should not crash * the NFS server, ll_iget_for_nfs() will handle the error. */ - if (body->valid & OBD_MD_FLID) { + if (body->mbo_valid & OBD_MD_FLID) { CDEBUG(D_INFO, "parent for " DFID " is " DFID "\n", - PFID(ll_inode2fid(dir)), PFID(&body->fid1)); + PFID(ll_inode2fid(dir)), PFID(&body->mbo_fid1)); + *parent_fid = body->mbo_fid1; } - result = ll_iget_for_nfs(dir->i_sb, &body->fid1, NULL); ptlrpc_req_finished(req); - return result; + return 0; +} + +static struct dentry *ll_get_parent(struct dentry *dchild) +{ + struct lu_fid parent_fid = { 0 }; + struct dentry *dentry; + int rc; + + rc = ll_dir_get_parent_fid(dchild->d_inode, &parent_fid); + if (rc) + return ERR_PTR(rc); + + dentry = ll_iget_for_nfs(dchild->d_inode->i_sb, &parent_fid, NULL); + + return dentry; } const struct export_operations lustre_export_operations = { diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c b/drivers/staging/lustre/lustre/llite/lproc_llite.c index e86bf3c53be3..4e82db873d86 100644 --- a/drivers/staging/lustre/lustre/llite/lproc_llite.c +++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c @@ -828,10 +828,110 @@ static ssize_t unstable_stats_show(struct kobject *kobj, pages = atomic_read(&cache->ccc_unstable_nr); mb = (pages * PAGE_SIZE) >> 20; - return sprintf(buf, "unstable_pages: %8d\n" - "unstable_mb: %8d\n", pages, mb); + return sprintf(buf, "unstable_check: %8d\n" + "unstable_pages: %8d\n" + "unstable_mb: %8d\n", + cache->ccc_unstable_check, pages, mb); } -LUSTRE_RO_ATTR(unstable_stats); + +static ssize_t unstable_stats_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, + size_t count) +{ + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); + char kernbuf[128]; + int val, rc; + + if (!count) + return 0; + if (count < 0 || count >= sizeof(kernbuf)) + return -EINVAL; + + if (copy_from_user(kernbuf, buffer, count)) + return -EFAULT; + kernbuf[count] = 0; + + buffer += lprocfs_find_named_value(kernbuf, "unstable_check:", &count) - + kernbuf; + rc = lprocfs_write_helper(buffer, count, &val); + if (rc < 0) + return rc; + + /* borrow lru lock to set the value */ + spin_lock(&sbi->ll_cache->ccc_lru_lock); + sbi->ll_cache->ccc_unstable_check = !!val; + spin_unlock(&sbi->ll_cache->ccc_lru_lock); + + return count; +} +LUSTRE_RW_ATTR(unstable_stats); + +static ssize_t root_squash_show(struct kobject *kobj, struct attribute *attr, + char *buf) +{ + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); + struct root_squash_info *squash = &sbi->ll_squash; + + return sprintf(buf, "%u:%u\n", squash->rsi_uid, squash->rsi_gid); +} + +static ssize_t root_squash_store(struct kobject *kobj, struct attribute *attr, + const char *buffer, size_t count) +{ + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); + struct root_squash_info *squash = &sbi->ll_squash; + + return lprocfs_wr_root_squash(buffer, count, squash, + ll_get_fsname(sbi->ll_sb, NULL, 0)); +} +LUSTRE_RW_ATTR(root_squash); + +static int ll_nosquash_nids_seq_show(struct seq_file *m, void *v) +{ + struct super_block *sb = m->private; + struct ll_sb_info *sbi = ll_s2sbi(sb); + struct root_squash_info *squash = &sbi->ll_squash; + int len; + + down_read(&squash->rsi_sem); + if (!list_empty(&squash->rsi_nosquash_nids)) { + len = cfs_print_nidlist(m->buf + m->count, m->size - m->count, + &squash->rsi_nosquash_nids); + m->count += len; + seq_puts(m, "\n"); + } else { + seq_puts(m, "NONE\n"); + } + up_read(&squash->rsi_sem); + + return 0; +} + +static ssize_t ll_nosquash_nids_seq_write(struct file *file, + const char __user *buffer, + size_t count, loff_t *off) +{ + struct seq_file *m = file->private_data; + struct super_block *sb = m->private; + struct ll_sb_info *sbi = ll_s2sbi(sb); + struct root_squash_info *squash = &sbi->ll_squash; + int rc; + + rc = lprocfs_wr_nosquash_nids(buffer, count, squash, + ll_get_fsname(sb, NULL, 0)); + if (rc < 0) + return rc; + + ll_compute_rootsquash_state(sbi); + + return rc; +} + +LPROC_SEQ_FOPS(ll_nosquash_nids); static struct lprocfs_vars lprocfs_llite_obd_vars[] = { /* { "mntpt_path", ll_rd_path, 0, 0 }, */ @@ -840,6 +940,8 @@ static struct lprocfs_vars lprocfs_llite_obd_vars[] = { { "max_cached_mb", &ll_max_cached_mb_fops, NULL }, { "statahead_stats", &ll_statahead_stats_fops, NULL, 0 }, { "sbi_flags", &ll_sbi_flags_fops, NULL, 0 }, + { .name = "nosquash_nids", + .fops = &ll_nosquash_nids_fops }, { NULL } }; @@ -869,6 +971,7 @@ static struct attribute *llite_attrs[] = { &lustre_attr_default_easize.attr, &lustre_attr_xattr_cache.attr, &lustre_attr_unstable_stats.attr, + &lustre_attr_root_squash.attr, NULL, }; @@ -893,17 +996,17 @@ static const struct llite_file_opcode { /* file operation */ { LPROC_LL_DIRTY_HITS, LPROCFS_TYPE_REGS, "dirty_pages_hits" }, { LPROC_LL_DIRTY_MISSES, LPROCFS_TYPE_REGS, "dirty_pages_misses" }, - { LPROC_LL_READ_BYTES, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_BYTES, + { LPROC_LL_READ_BYTES, LPROCFS_CNTR_AVGMINMAX | LPROCFS_TYPE_BYTES, "read_bytes" }, - { LPROC_LL_WRITE_BYTES, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_BYTES, + { LPROC_LL_WRITE_BYTES, LPROCFS_CNTR_AVGMINMAX | LPROCFS_TYPE_BYTES, "write_bytes" }, - { LPROC_LL_BRW_READ, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_PAGES, + { LPROC_LL_BRW_READ, LPROCFS_CNTR_AVGMINMAX | LPROCFS_TYPE_PAGES, "brw_read" }, - { LPROC_LL_BRW_WRITE, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_PAGES, + { LPROC_LL_BRW_WRITE, LPROCFS_CNTR_AVGMINMAX | LPROCFS_TYPE_PAGES, "brw_write" }, - { LPROC_LL_OSC_READ, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_BYTES, + { LPROC_LL_OSC_READ, LPROCFS_CNTR_AVGMINMAX | LPROCFS_TYPE_BYTES, "osc_read" }, - { LPROC_LL_OSC_WRITE, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_BYTES, + { LPROC_LL_OSC_WRITE, LPROCFS_CNTR_AVGMINMAX | LPROCFS_TYPE_BYTES, "osc_write" }, { LPROC_LL_IOCTL, LPROCFS_TYPE_REGS, "ioctl" }, { LPROC_LL_OPEN, LPROCFS_TYPE_REGS, "open" }, @@ -1150,7 +1253,7 @@ static void ll_display_extents_info(struct ll_rw_extents_info *io_extents, r, pct(r, read_tot), pct(read_cum, read_tot), w, pct(w, write_tot), pct(write_cum, write_tot)); start = end; - if (start == 1<<10) { + if (start == 1 << 10) { start = 1; units += 10; unitp++; diff --git a/drivers/staging/lustre/lustre/llite/namei.c b/drivers/staging/lustre/lustre/llite/namei.c index 2c4dc69731e8..b7d448ffc8eb 100644 --- a/drivers/staging/lustre/lustre/llite/namei.c +++ b/drivers/staging/lustre/lustre/llite/namei.c @@ -56,12 +56,12 @@ static int ll_test_inode(struct inode *inode, void *opaque) struct ll_inode_info *lli = ll_i2info(inode); struct lustre_md *md = opaque; - if (unlikely(!(md->body->valid & OBD_MD_FLID))) { + if (unlikely(!(md->body->mbo_valid & OBD_MD_FLID))) { CERROR("MDS body missing FID\n"); return 0; } - if (!lu_fid_eq(&lli->lli_fid, &md->body->fid1)) + if (!lu_fid_eq(&lli->lli_fid, &md->body->mbo_fid1)) return 0; return 1; @@ -72,20 +72,20 @@ static int ll_set_inode(struct inode *inode, void *opaque) struct ll_inode_info *lli = ll_i2info(inode); struct mdt_body *body = ((struct lustre_md *)opaque)->body; - if (unlikely(!(body->valid & OBD_MD_FLID))) { + if (unlikely(!(body->mbo_valid & OBD_MD_FLID))) { CERROR("MDS body missing FID\n"); return -EINVAL; } - lli->lli_fid = body->fid1; - if (unlikely(!(body->valid & OBD_MD_FLTYPE))) { + lli->lli_fid = body->mbo_fid1; + if (unlikely(!(body->mbo_valid & OBD_MD_FLTYPE))) { CERROR("Can not initialize inode " DFID " without object type: valid = %#llx\n", - PFID(&lli->lli_fid), body->valid); + PFID(&lli->lli_fid), body->mbo_valid); return -EINVAL; } - inode->i_mode = (inode->i_mode & ~S_IFMT) | (body->mode & S_IFMT); + inode->i_mode = (inode->i_mode & ~S_IFMT) | (body->mbo_mode & S_IFMT); if (unlikely(inode->i_mode == 0)) { CERROR("Invalid inode "DFID" type\n", PFID(&lli->lli_fid)); return -EINVAL; @@ -96,41 +96,46 @@ static int ll_set_inode(struct inode *inode, void *opaque) return 0; } -/* - * Get an inode by inode number (already instantiated by the intent lookup). - * Returns inode or NULL +/** + * Get an inode by inode number(@hash), which is already instantiated by + * the intent lookup). */ struct inode *ll_iget(struct super_block *sb, ino_t hash, struct lustre_md *md) { struct inode *inode; + int rc = 0; LASSERT(hash != 0); inode = iget5_locked(sb, hash, ll_test_inode, ll_set_inode, md); - - if (inode) { - if (inode->i_state & I_NEW) { - int rc = 0; - - ll_read_inode2(inode, md); - if (S_ISREG(inode->i_mode) && - !ll_i2info(inode)->lli_clob) { - CDEBUG(D_INODE, - "%s: apply lsm %p to inode " DFID ".\n", - ll_get_fsname(sb, NULL, 0), md->lsm, - PFID(ll_inode2fid(inode))); - rc = cl_file_inode_init(inode, md); - } - if (rc != 0) { - iget_failed(inode); - inode = NULL; - } else { - unlock_new_inode(inode); - } - } else if (!(inode->i_state & (I_FREEING | I_CLEAR))) { - ll_update_inode(inode, md); - CDEBUG(D_VFSTRACE, "got inode: "DFID"(%p)\n", - PFID(&md->body->fid1), inode); + if (!inode) + return ERR_PTR(-ENOMEM); + + if (inode->i_state & I_NEW) { + rc = ll_read_inode2(inode, md); + if (!rc && S_ISREG(inode->i_mode) && + !ll_i2info(inode)->lli_clob) { + CDEBUG(D_INODE, "%s: apply lsm %p to inode "DFID"\n", + ll_get_fsname(sb, NULL, 0), md->lsm, + PFID(ll_inode2fid(inode))); + rc = cl_file_inode_init(inode, md); + } + if (rc) { + make_bad_inode(inode); + unlock_new_inode(inode); + iput(inode); + inode = ERR_PTR(rc); + } else { + unlock_new_inode(inode); + } + } else if (!(inode->i_state & (I_FREEING | I_CLEAR))) { + rc = ll_update_inode(inode, md); + CDEBUG(D_VFSTRACE, "got inode: "DFID"(%p): rc = %d\n", + PFID(&md->body->mbo_fid1), inode, rc); + if (rc) { + make_bad_inode(inode); + iput(inode); + inode = ERR_PTR(rc); } } return inode; @@ -158,6 +163,11 @@ static void ll_invalidate_negative_children(struct inode *dir) spin_unlock(&dir->i_lock); } +int ll_test_inode_by_fid(struct inode *inode, void *opaque) +{ + return lu_fid_eq(&ll_i2info(inode)->lli_fid, opaque); +} + int ll_md_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc, void *data, int flag) { @@ -253,10 +263,41 @@ int ll_md_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc, } if ((bits & MDS_INODELOCK_UPDATE) && S_ISDIR(inode->i_mode)) { - CDEBUG(D_INODE, "invalidating inode "DFID"\n", - PFID(ll_inode2fid(inode))); + struct ll_inode_info *lli = ll_i2info(inode); + + CDEBUG(D_INODE, "invalidating inode "DFID" lli = %p, pfid = "DFID"\n", + PFID(ll_inode2fid(inode)), lli, + PFID(&lli->lli_pfid)); + truncate_inode_pages(inode->i_mapping, 0); - ll_invalidate_negative_children(inode); + + if (unlikely(!fid_is_zero(&lli->lli_pfid))) { + struct inode *master_inode = NULL; + unsigned long hash; + + /* + * This is slave inode, since all of the child + * dentry is connected on the master inode, so + * we have to invalidate the negative children + * on master inode + */ + CDEBUG(D_INODE, "Invalidate s"DFID" m"DFID"\n", + PFID(ll_inode2fid(inode)), + PFID(&lli->lli_pfid)); + + hash = cl_fid_build_ino(&lli->lli_pfid, + ll_need_32bit_api(ll_i2sbi(inode))); + + master_inode = ilookup5(inode->i_sb, hash, + ll_test_inode_by_fid, + (void *)&lli->lli_pfid); + if (master_inode && !IS_ERR(master_inode)) { + ll_invalidate_negative_children(master_inode); + iput(master_inode); + } + } else { + ll_invalidate_negative_children(inode); + } } if ((bits & (MDS_INODELOCK_LOOKUP | MDS_INODELOCK_PERM)) && @@ -322,7 +363,8 @@ static struct dentry *ll_find_alias(struct inode *inode, struct dentry *dentry) LASSERT(alias != dentry); spin_lock(&alias->d_lock); - if (alias->d_flags & DCACHE_DISCONNECTED) + if ((alias->d_flags & DCACHE_DISCONNECTED) && + S_ISDIR(inode->i_mode)) /* LASSERT(last_discon == NULL); LU-405, bz 20055 */ discon_alias = alias; else if (alias->d_parent == dentry->d_parent && @@ -433,9 +475,20 @@ static int ll_lookup_it_finish(struct ptlrpc_request *request, struct lookup_intent parent_it = { .it_op = IT_GETATTR, .it_lock_handle = 0 }; + struct lu_fid fid = ll_i2info(parent)->lli_fid; + + /* If it is striped directory, get the real stripe parent */ + if (unlikely(ll_i2info(parent)->lli_lsm_md)) { + rc = md_get_fid_from_lsm(ll_i2mdexp(parent), + ll_i2info(parent)->lli_lsm_md, + (*de)->d_name.name, + (*de)->d_name.len, &fid); + if (rc) + return rc; + } - if (md_revalidate_lock(ll_i2mdexp(parent), &parent_it, - &ll_i2info(parent)->lli_fid, NULL)) { + if (md_revalidate_lock(ll_i2mdexp(parent), &parent_it, &fid, + NULL)) { d_lustre_revalidate(*de); ll_intent_release(&parent_it); } @@ -497,8 +550,8 @@ static struct dentry *ll_lookup_it(struct inode *parent, struct dentry *dentry, if (!IS_POSIXACL(parent) || !exp_connect_umask(ll_i2mdexp(parent))) it->it_create_mode &= ~current_umask(); - rc = md_intent_lock(ll_i2mdexp(parent), op_data, NULL, 0, it, - lookup_flags, &req, ll_md_blocking_ast, 0); + rc = md_intent_lock(ll_i2mdexp(parent), op_data, it, &req, + &ll_md_blocking_ast, 0); ll_finish_md_op_data(op_data); if (rc < 0) { retval = ERR_PTR(rc); @@ -541,11 +594,15 @@ static struct dentry *ll_lookup_nd(struct inode *parent, struct dentry *dentry, CDEBUG(D_VFSTRACE, "VFS Op:name=%pd, dir="DFID"(%p),flags=%u\n", dentry, PFID(ll_inode2fid(parent)), parent, flags); - /* Optimize away (CREATE && !OPEN). Let .create handle the race. */ - if ((flags & LOOKUP_CREATE) && !(flags & LOOKUP_OPEN)) + /* Optimize away (CREATE && !OPEN). Let .create handle the race. + * but only if we have write permissions there, otherwise we need + * to proceed with lookup. LU-4185 + */ + if ((flags & LOOKUP_CREATE) && !(flags & LOOKUP_OPEN) && + (inode_permission(parent, MAY_WRITE | MAY_EXEC) == 0)) return NULL; - if (flags & (LOOKUP_PARENT|LOOKUP_OPEN|LOOKUP_CREATE)) + if (flags & (LOOKUP_PARENT | LOOKUP_OPEN | LOOKUP_CREATE)) itp = NULL; else itp = ⁢ @@ -603,6 +660,7 @@ static int ll_atomic_open(struct inode *dir, struct dentry *dentry, } it->it_create_mode = (mode & S_IALLUGO) | S_IFREG; it->it_flags = (open_flags & ~O_ACCMODE) | OPEN_FMODE(open_flags); + it->it_flags &= ~MDS_OPEN_FL_INTERNAL; /* Dentry added to dcache tree in ll_lookup_it */ de = ll_lookup_it(dir, dentry, it, lookup_flags); @@ -721,23 +779,22 @@ static int ll_create_it(struct inode *dir, struct dentry *dentry, int mode, return 0; } -static void ll_update_times(struct ptlrpc_request *request, - struct inode *inode) +void ll_update_times(struct ptlrpc_request *request, struct inode *inode) { struct mdt_body *body = req_capsule_server_get(&request->rq_pill, &RMF_MDT_BODY); LASSERT(body); - if (body->valid & OBD_MD_FLMTIME && - body->mtime > LTIME_S(inode->i_mtime)) { + if (body->mbo_valid & OBD_MD_FLMTIME && + body->mbo_mtime > LTIME_S(inode->i_mtime)) { CDEBUG(D_INODE, "setting fid "DFID" mtime from %lu to %llu\n", PFID(ll_inode2fid(inode)), LTIME_S(inode->i_mtime), - body->mtime); - LTIME_S(inode->i_mtime) = body->mtime; + body->mbo_mtime); + LTIME_S(inode->i_mtime) = body->mbo_mtime; } - if (body->valid & OBD_MD_FLCTIME && - body->ctime > LTIME_S(inode->i_ctime)) - LTIME_S(inode->i_ctime) = body->ctime; + if (body->mbo_valid & OBD_MD_FLCTIME && + body->mbo_ctime > LTIME_S(inode->i_ctime)) + LTIME_S(inode->i_ctime) = body->mbo_ctime; } static int ll_new_node(struct inode *dir, struct dentry *dentry, @@ -853,10 +910,10 @@ int ll_objects_destroy(struct ptlrpc_request *request, struct inode *dir) /* req is swabbed so this is safe */ body = req_capsule_server_get(&request->rq_pill, &RMF_MDT_BODY); - if (!(body->valid & OBD_MD_FLEASIZE)) + if (!(body->mbo_valid & OBD_MD_FLEASIZE)) return 0; - if (body->eadatasize == 0) { + if (body->mbo_eadatasize == 0) { CERROR("OBD_MD_FLEASIZE set but eadatasize zero\n"); rc = -EPROTO; goto out; @@ -868,10 +925,10 @@ int ll_objects_destroy(struct ptlrpc_request *request, struct inode *dir) * check it is complete and sensible. */ eadata = req_capsule_server_sized_get(&request->rq_pill, &RMF_MDT_MD, - body->eadatasize); + body->mbo_eadatasize); LASSERT(eadata); - rc = obd_unpackmd(ll_i2dtexp(dir), &lsm, eadata, body->eadatasize); + rc = obd_unpackmd(ll_i2dtexp(dir), &lsm, eadata, body->mbo_eadatasize); if (rc < 0) { CERROR("obd_unpackmd: %d\n", rc); goto out; @@ -885,10 +942,10 @@ int ll_objects_destroy(struct ptlrpc_request *request, struct inode *dir) } oa->o_oi = lsm->lsm_oi; - oa->o_mode = body->mode & S_IFMT; + oa->o_mode = body->mbo_mode & S_IFMT; oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLGROUP; - if (body->valid & OBD_MD_FLCOOKIE) { + if (body->mbo_valid & OBD_MD_FLCOOKIE) { oa->o_valid |= OBD_MD_FLCOOKIE; oti.oti_logcookies = req_capsule_server_sized_get(&request->rq_pill, @@ -897,7 +954,7 @@ int ll_objects_destroy(struct ptlrpc_request *request, struct inode *dir) lsm->lsm_stripe_count); if (!oti.oti_logcookies) { oa->o_valid &= ~OBD_MD_FLCOOKIE; - body->valid &= ~OBD_MD_FLCOOKIE; + body->mbo_valid &= ~OBD_MD_FLCOOKIE; } } @@ -961,7 +1018,7 @@ static int ll_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) if (!IS_POSIXACL(dir) || !exp_connect_umask(ll_i2mdexp(dir))) mode &= ~current_umask(); - mode = (mode & (S_IRWXUGO|S_ISVTX)) | S_IFDIR; + mode = (mode & (S_IRWXUGO | S_ISVTX)) | S_IFDIR; err = ll_new_node(dir, dentry, NULL, mode, 0, LUSTRE_OPC_MKDIR); if (!err) @@ -1106,10 +1163,10 @@ const struct inode_operations ll_dir_inode_operations = { .setattr = ll_setattr, .getattr = ll_getattr, .permission = ll_inode_permission, - .setxattr = ll_setxattr, - .getxattr = ll_getxattr, + .setxattr = generic_setxattr, + .getxattr = generic_getxattr, .listxattr = ll_listxattr, - .removexattr = ll_removexattr, + .removexattr = generic_removexattr, .get_acl = ll_get_acl, }; @@ -1117,9 +1174,9 @@ const struct inode_operations ll_special_inode_operations = { .setattr = ll_setattr, .getattr = ll_getattr, .permission = ll_inode_permission, - .setxattr = ll_setxattr, - .getxattr = ll_getxattr, + .setxattr = generic_setxattr, + .getxattr = generic_getxattr, .listxattr = ll_listxattr, - .removexattr = ll_removexattr, + .removexattr = generic_removexattr, .get_acl = ll_get_acl, }; diff --git a/drivers/staging/lustre/lustre/llite/rw.c b/drivers/staging/lustre/lustre/llite/rw.c index 87393c4bd51e..bb85d161d1aa 100644 --- a/drivers/staging/lustre/lustre/llite/rw.c +++ b/drivers/staging/lustre/lustre/llite/rw.c @@ -648,10 +648,11 @@ static void ras_update_stride_detector(struct ll_readahead_state *ras, { unsigned long stride_gap = index - ras->ras_last_readpage - 1; - if (!stride_io_mode(ras) && (stride_gap != 0 || - ras->ras_consecutive_stride_requests == 0)) { + if ((stride_gap != 0 || ras->ras_consecutive_stride_requests == 0) && + !stride_io_mode(ras)) { ras->ras_stride_pages = ras->ras_consecutive_pages; - ras->ras_stride_length = stride_gap+ras->ras_consecutive_pages; + ras->ras_stride_length = ras->ras_consecutive_pages + + stride_gap; } LASSERT(ras->ras_request_index == 0); LASSERT(ras->ras_consecutive_stride_requests == 0); @@ -663,7 +664,7 @@ static void ras_update_stride_detector(struct ll_readahead_state *ras, } ras->ras_stride_pages = ras->ras_consecutive_pages; - ras->ras_stride_length = stride_gap+ras->ras_consecutive_pages; + ras->ras_stride_length = stride_gap + ras->ras_consecutive_pages; RAS_CDEBUG(ras); return; @@ -1015,6 +1016,10 @@ int ll_writepages(struct address_space *mapping, struct writeback_control *wbc) * is called later on. */ ignore_layout = 1; + + if (!ll_i2info(inode)->lli_clob) + return 0; + result = cl_sync_file_range(inode, start, end, mode, ignore_layout); if (result > 0) { wbc->nr_to_write -= result; diff --git a/drivers/staging/lustre/lustre/llite/rw26.c b/drivers/staging/lustre/lustre/llite/rw26.c index d98c7acc0832..2f8ef545a39d 100644 --- a/drivers/staging/lustre/lustre/llite/rw26.c +++ b/drivers/staging/lustre/lustre/llite/rw26.c @@ -161,7 +161,7 @@ static int ll_releasepage(struct page *vmpage, gfp_t gfp_mask) return result; } -#define MAX_DIRECTIO_SIZE (2*1024*1024*1024UL) +#define MAX_DIRECTIO_SIZE (2 * 1024 * 1024 * 1024UL) static inline int ll_get_user_pages(int rw, unsigned long user_addr, size_t size, struct page ***pages, @@ -616,6 +616,13 @@ static int ll_write_end(struct file *file, struct address_space *mapping, LASSERT(from == 0); vio->u.write.vui_to = from + copied; + /* + * To address the deadlock in balance_dirty_pages() where + * this dirty page may be written back in the same thread. + */ + if (PageDirty(vmpage)) + unplug = true; + /* We may have one full RPC, commit it soon */ if (plist->pl_nr >= PTLRPC_MAX_BRW_PAGES) unplug = true; diff --git a/drivers/staging/lustre/lustre/llite/statahead.c b/drivers/staging/lustre/lustre/llite/statahead.c index c1cb6b19e724..4ac0d6a4ea21 100644 --- a/drivers/staging/lustre/lustre/llite/statahead.c +++ b/drivers/staging/lustre/lustre/llite/statahead.c @@ -632,7 +632,7 @@ static void ll_post_statahead(struct ll_statahead_info *sai) /* XXX: No fid in reply, this is probably cross-ref case. * SA can't handle it yet. */ - if (body->valid & OBD_MD_MDS) { + if (body->mbo_valid & OBD_MD_MDS) { rc = -EAGAIN; goto out; } @@ -641,7 +641,7 @@ static void ll_post_statahead(struct ll_statahead_info *sai) * revalidate. */ /* unlinked and re-created with the same name */ - if (unlikely(!lu_fid_eq(&minfo->mi_data.op_fid2, &body->fid1))) { + if (unlikely(!lu_fid_eq(&minfo->mi_data.op_fid2, &body->mbo_fid1))) { entry->se_inode = NULL; iput(child); child = NULL; @@ -918,7 +918,8 @@ static void ll_statahead_one(struct dentry *parent, const char *entry_name, if (rc) { rc1 = ll_sa_entry_to_stated(sai, entry, - rc < 0 ? SA_ENTRY_INVA : SA_ENTRY_SUCC); + rc < 0 ? SA_ENTRY_INVA : + SA_ENTRY_SUCC); if (rc1 == 0 && entry->se_index == sai->sai_index_wait) wake_up(&sai->sai_waitq); } else { @@ -1035,10 +1036,11 @@ static int ll_statahead_thread(void *arg) struct ll_statahead_info *sai = ll_sai_get(plli->lli_sai); struct ptlrpc_thread *thread = &sai->sai_thread; struct ptlrpc_thread *agl_thread = &sai->sai_agl_thread; - struct page *page; + struct page *page = NULL; __u64 pos = 0; int first = 0; int rc = 0; + struct md_op_data *op_data; struct ll_dir_chain chain; struct l_wait_info lwi = { 0 }; @@ -1046,6 +1048,13 @@ static int ll_statahead_thread(void *arg) CDEBUG(D_READA, "statahead thread starting: sai %p, parent %pd\n", sai, parent); + op_data = ll_prep_md_op_data(NULL, dir, dir, NULL, 0, 0, + LUSTRE_OPC_ANY, dir); + if (IS_ERR(op_data)) + return PTR_ERR(op_data); + + op_data->op_max_pages = ll_i2sbi(dir)->ll_md_brw_pages; + if (sbi->ll_flags & LL_SBI_AGL_ENABLED) ll_start_agl(parent, sai); @@ -1061,7 +1070,7 @@ static int ll_statahead_thread(void *arg) wake_up(&thread->t_ctl_waitq); ll_dir_chain_init(&chain); - page = ll_get_dir_page(dir, pos, &chain); + page = ll_get_dir_page(dir, op_data, pos, &chain); while (1) { struct lu_dirpage *dp; @@ -1069,9 +1078,9 @@ static int ll_statahead_thread(void *arg) if (IS_ERR(page)) { rc = PTR_ERR(page); - CDEBUG(D_READA, "error reading dir "DFID" at %llu/%llu: [rc %d] [parent %u]\n", + CDEBUG(D_READA, "error reading dir "DFID" at %llu/%llu: opendir_pid = %u: rc = %d\n", PFID(ll_inode2fid(dir)), pos, sai->sai_index, - rc, plli->lli_opendir_pid); + plli->lli_opendir_pid, rc); goto out; } @@ -1136,7 +1145,7 @@ interpret_it: ll_post_statahead(sai); if (unlikely(!thread_is_running(thread))) { - ll_release_page(page, 0); + ll_release_page(dir, page, false); rc = 0; goto out; } @@ -1158,9 +1167,8 @@ interpret_it: if (!list_empty(&sai->sai_entries_received)) goto interpret_it; - if (unlikely( - !thread_is_running(thread))) { - ll_release_page(page, 0); + if (unlikely(!thread_is_running(thread))) { + ll_release_page(dir, page, false); rc = 0; goto out; } @@ -1174,16 +1182,16 @@ interpret_it: goto keep_it; } - do_it: ll_statahead_one(parent, name, namelen); } + pos = le64_to_cpu(dp->ldp_hash_end); if (pos == MDS_DIR_END_OFF) { /* * End of directory reached. */ - ll_release_page(page, 0); + ll_release_page(dir, page, false); while (1) { l_wait_event(thread->t_ctl_waitq, !list_empty(&sai->sai_entries_received) || @@ -1218,24 +1226,20 @@ do_it: rc = 0; goto out; - } else if (1) { + } else { /* * chain is exhausted. * Normal case: continue to the next page. */ - ll_release_page(page, le32_to_cpu(dp->ldp_flags) & - LDF_COLLIDE); - page = ll_get_dir_page(dir, pos, &chain); - } else { - LASSERT(le32_to_cpu(dp->ldp_flags) & LDF_COLLIDE); - ll_release_page(page, 1); - /* - * go into overflow page. - */ + ll_release_page(dir, page, + le32_to_cpu(dp->ldp_flags) & LDF_COLLIDE); + sai->sai_in_readpage = 1; + page = ll_get_dir_page(dir, op_data, pos, &chain); + sai->sai_in_readpage = 0; } } - out: + ll_finish_md_op_data(op_data); if (sai->sai_agl_valid) { spin_lock(&plli->lli_agl_lock); thread_set_flags(agl_thread, SVC_STOPPING); @@ -1341,13 +1345,23 @@ static int is_first_dirent(struct inode *dir, struct dentry *dentry) { struct ll_dir_chain chain; const struct qstr *target = &dentry->d_name; + struct md_op_data *op_data; struct page *page; __u64 pos = 0; int dot_de; int rc = LS_NONE_FIRST_DE; + op_data = ll_prep_md_op_data(NULL, dir, dir, NULL, 0, 0, + LUSTRE_OPC_ANY, dir); + if (IS_ERR(op_data)) + return PTR_ERR(op_data); + /** + * FIXME choose the start offset of the readdir + */ + op_data->op_max_pages = ll_i2sbi(dir)->ll_md_brw_pages; + ll_dir_chain_init(&chain); - page = ll_get_dir_page(dir, pos, &chain); + page = ll_get_dir_page(dir, op_data, pos, &chain); while (1) { struct lu_dirpage *dp; @@ -1357,9 +1371,10 @@ static int is_first_dirent(struct inode *dir, struct dentry *dentry) struct ll_inode_info *lli = ll_i2info(dir); rc = PTR_ERR(page); - CERROR("error reading dir "DFID" at %llu: [rc %d] [parent %u]\n", + CERROR("%s: error reading dir "DFID" at %llu: opendir_pid = %u : rc = %d\n", + ll_get_fsname(dir->i_sb, NULL, 0), PFID(ll_inode2fid(dir)), pos, - rc, lli->lli_opendir_pid); + lli->lli_opendir_pid, rc); break; } @@ -1417,7 +1432,7 @@ static int is_first_dirent(struct inode *dir, struct dentry *dentry) else rc = LS_FIRST_DOT_DE; - ll_release_page(page, 0); + ll_release_page(dir, page, false); goto out; } pos = le64_to_cpu(dp->ldp_hash_end); @@ -1425,27 +1440,22 @@ static int is_first_dirent(struct inode *dir, struct dentry *dentry) /* * End of directory reached. */ - ll_release_page(page, 0); - break; - } else if (1) { + ll_release_page(dir, page, false); + goto out; + } else { /* * chain is exhausted * Normal case: continue to the next page. */ - ll_release_page(page, le32_to_cpu(dp->ldp_flags) & - LDF_COLLIDE); - page = ll_get_dir_page(dir, pos, &chain); - } else { - /* - * go into overflow page. - */ - LASSERT(le32_to_cpu(dp->ldp_flags) & LDF_COLLIDE); - ll_release_page(page, 1); + ll_release_page(dir, page, + le32_to_cpu(dp->ldp_flags) & + LDF_COLLIDE); + page = ll_get_dir_page(dir, op_data, pos, &chain); } } - out: ll_dir_chain_fini(&chain); + ll_finish_md_op_data(op_data); return rc; } @@ -1554,6 +1564,11 @@ int do_statahead_enter(struct inode *dir, struct dentry **dentryp, return entry ? 1 : -EAGAIN; } + /* if statahead is busy in readdir, help it do post-work */ + while (!ll_sa_entry_stated(entry) && sai->sai_in_readpage && + !sa_received_empty(sai)) + ll_post_statahead(sai); + if (!ll_sa_entry_stated(entry)) { sai->sai_index_wait = entry->se_index; lwi = LWI_TIMEOUT_INTR(cfs_time_seconds(30), NULL, @@ -1595,6 +1610,7 @@ int do_statahead_enter(struct inode *dir, struct dentry **dentryp, *dentryp, PFID(ll_inode2fid(d_inode(*dentryp))), PFID(ll_inode2fid(inode))); + ll_intent_release(&it); ll_sai_unplug(sai, entry); return -ESTALE; } else { diff --git a/drivers/staging/lustre/lustre/llite/super25.c b/drivers/staging/lustre/lustre/llite/super25.c index 3dd7e0eb0b54..883084e9a315 100644 --- a/drivers/staging/lustre/lustre/llite/super25.c +++ b/drivers/staging/lustre/lustre/llite/super25.c @@ -102,8 +102,8 @@ static int __init lustre_init(void) rc = -ENOMEM; ll_inode_cachep = kmem_cache_create("lustre_inode_cache", - sizeof(struct ll_inode_info), - 0, SLAB_HWCACHE_ALIGN|SLAB_ACCOUNT, + sizeof(struct ll_inode_info), 0, + SLAB_HWCACHE_ALIGN | SLAB_ACCOUNT, NULL); if (!ll_inode_cachep) goto out_cache; diff --git a/drivers/staging/lustre/lustre/llite/symlink.c b/drivers/staging/lustre/lustre/llite/symlink.c index 8c8bdfe1ad71..47fb79917019 100644 --- a/drivers/staging/lustre/lustre/llite/symlink.c +++ b/drivers/staging/lustre/lustre/llite/symlink.c @@ -80,17 +80,17 @@ static int ll_readlink_internal(struct inode *inode, } body = req_capsule_server_get(&(*request)->rq_pill, &RMF_MDT_BODY); - if ((body->valid & OBD_MD_LINKNAME) == 0) { + if ((body->mbo_valid & OBD_MD_LINKNAME) == 0) { CERROR("OBD_MD_LINKNAME not set on reply\n"); rc = -EPROTO; goto failed; } LASSERT(symlen != 0); - if (body->eadatasize != symlen) { + if (body->mbo_eadatasize != symlen) { CERROR("%s: inode "DFID": symlink length %d not expected %d\n", ll_get_fsname(inode->i_sb, NULL, 0), - PFID(ll_inode2fid(inode)), body->eadatasize - 1, + PFID(ll_inode2fid(inode)), body->mbo_eadatasize - 1, symlen - 1); rc = -EPROTO; goto failed; @@ -155,8 +155,8 @@ const struct inode_operations ll_fast_symlink_inode_operations = { .get_link = ll_get_link, .getattr = ll_getattr, .permission = ll_inode_permission, - .setxattr = ll_setxattr, - .getxattr = ll_getxattr, + .setxattr = generic_setxattr, + .getxattr = generic_getxattr, .listxattr = ll_listxattr, - .removexattr = ll_removexattr, + .removexattr = generic_removexattr, }; diff --git a/drivers/staging/lustre/lustre/llite/vvp_dev.c b/drivers/staging/lustre/lustre/llite/vvp_dev.c index e623216e962d..771c0bd190a5 100644 --- a/drivers/staging/lustre/lustre/llite/vvp_dev.c +++ b/drivers/staging/lustre/lustre/llite/vvp_dev.c @@ -368,12 +368,6 @@ int cl_sb_fini(struct super_block *sb) CERROR("Cannot cleanup cl-stack due to memory shortage.\n"); result = PTR_ERR(env); } - /* - * If mount failed (sbi->ll_cl == NULL), and this there are no other - * mounts, stop device types manually (this usually happens - * automatically when last device is destroyed). - */ - lu_types_stop(); return result; } diff --git a/drivers/staging/lustre/lustre/llite/vvp_internal.h b/drivers/staging/lustre/lustre/llite/vvp_internal.h index 79fc428461ed..99437b826fe9 100644 --- a/drivers/staging/lustre/lustre/llite/vvp_internal.h +++ b/drivers/staging/lustre/lustre/llite/vvp_internal.h @@ -247,9 +247,9 @@ struct vvp_object { */ struct vvp_page { struct cl_page_slice vpg_cl; - int vpg_defer_uptodate; - int vpg_ra_used; - int vpg_write_queued; + unsigned int vpg_defer_uptodate:1, + vpg_ra_used:1, + vpg_write_queued:1; /** * Non-empty iff this page is already counted in * vvp_object::vob_pending_list. This list is only used as a flag, diff --git a/drivers/staging/lustre/lustre/llite/vvp_object.c b/drivers/staging/lustre/lustre/llite/vvp_object.c index 2c520b0bf6ca..e4080ba73bf3 100644 --- a/drivers/staging/lustre/lustre/llite/vvp_object.c +++ b/drivers/staging/lustre/lustre/llite/vvp_object.c @@ -120,7 +120,7 @@ static int vvp_attr_set(const struct lu_env *env, struct cl_object *obj, if (0 && valid & CAT_SIZE) i_size_write(inode, attr->cat_size); /* not currently necessary */ - if (0 && valid & (CAT_UID|CAT_GID|CAT_SIZE)) + if (0 && valid & (CAT_UID | CAT_GID | CAT_SIZE)) mark_inode_dirty(inode); return 0; } diff --git a/drivers/staging/lustre/lustre/llite/vvp_page.c b/drivers/staging/lustre/lustre/llite/vvp_page.c index 2e566d90bb94..2818a68012bd 100644 --- a/drivers/staging/lustre/lustre/llite/vvp_page.c +++ b/drivers/staging/lustre/lustre/llite/vvp_page.c @@ -249,7 +249,7 @@ static void vvp_vmpage_error(struct inode *inode, struct page *vmpage, int ioret set_bit(AS_EIO, &inode->i_mapping->flags); if ((ioret == -ESHUTDOWN || ioret == -EINTR) && - obj->vob_discard_page_warned == 0) { + obj->vob_discard_page_warned == 0) { obj->vob_discard_page_warned = 1; ll_dirty_page_discard_warn(vmpage, ioret); } @@ -549,7 +549,7 @@ static const struct cl_page_operations vvp_transient_page_ops = { }; int vvp_page_init(const struct lu_env *env, struct cl_object *obj, - struct cl_page *page, pgoff_t index) + struct cl_page *page, pgoff_t index) { struct vvp_page *vpg = cl_object_page_slice(obj, page); struct page *vmpage = page->cp_vmpage; diff --git a/drivers/staging/lustre/lustre/llite/vvp_req.c b/drivers/staging/lustre/lustre/llite/vvp_req.c index 9fe9d6c0a7d1..0567a152ab62 100644 --- a/drivers/staging/lustre/lustre/llite/vvp_req.c +++ b/drivers/staging/lustre/lustre/llite/vvp_req.c @@ -83,6 +83,8 @@ static void vvp_req_attr_set(const struct lu_env *env, } obdo_from_inode(oa, inode, valid_flags & flags); obdo_set_parent_fid(oa, &ll_i2info(inode)->lli_fid); + if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_INVALID_PFID)) + oa->o_parent_oid++; memcpy(attr->cra_jobid, ll_i2info(inode)->lli_jobid, JOBSTATS_JOBID_SIZE); } diff --git a/drivers/staging/lustre/lustre/llite/xattr.c b/drivers/staging/lustre/lustre/llite/xattr.c index 98303cf85815..7b8d4699a71a 100644 --- a/drivers/staging/lustre/lustre/llite/xattr.c +++ b/drivers/staging/lustre/lustre/llite/xattr.c @@ -99,46 +99,57 @@ int xattr_type_filter(struct ll_sb_info *sbi, int xattr_type) return 0; } -static -int ll_setxattr_common(struct inode *inode, const char *name, - const void *value, size_t size, - int flags, __u64 valid) +static int +ll_xattr_set_common(const struct xattr_handler *handler, + struct dentry *dentry, struct inode *inode, + const char *name, const void *value, size_t size, + int flags) { + char fullname[strlen(handler->prefix) + strlen(name) + 1]; struct ll_sb_info *sbi = ll_i2sbi(inode); struct ptlrpc_request *req = NULL; - int xattr_type, rc; const char *pv = value; + __u64 valid; + int rc; + + if (flags == XATTR_REPLACE) { + ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_REMOVEXATTR, 1); + valid = OBD_MD_FLXATTRRM; + } else { + ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_SETXATTR, 1); + valid = OBD_MD_FLXATTR; + } - xattr_type = get_xattr_type(name); - rc = xattr_type_filter(sbi, xattr_type); + rc = xattr_type_filter(sbi, handler->flags); if (rc) return rc; - if ((xattr_type == XATTR_ACL_ACCESS_T || - xattr_type == XATTR_ACL_DEFAULT_T) && + if ((handler->flags == XATTR_ACL_ACCESS_T || + handler->flags == XATTR_ACL_DEFAULT_T) && !inode_owner_or_capable(inode)) return -EPERM; /* b10667: ignore lustre special xattr for now */ - if ((xattr_type == XATTR_TRUSTED_T && strcmp(name, "trusted.lov") == 0) || - (xattr_type == XATTR_LUSTRE_T && strcmp(name, "lustre.lov") == 0)) + if ((handler->flags == XATTR_TRUSTED_T && !strcmp(name, "lov")) || + (handler->flags == XATTR_LUSTRE_T && !strcmp(name, "lov"))) return 0; /* b15587: ignore security.capability xattr for now */ - if ((xattr_type == XATTR_SECURITY_T && - strcmp(name, "security.capability") == 0)) + if ((handler->flags == XATTR_SECURITY_T && + !strcmp(name, "capability"))) return 0; /* LU-549: Disable security.selinux when selinux is disabled */ - if (xattr_type == XATTR_SECURITY_T && !selinux_is_enabled() && - strcmp(name, "security.selinux") == 0) + if (handler->flags == XATTR_SECURITY_T && !selinux_is_enabled() && + strcmp(name, "selinux") == 0) return -EOPNOTSUPP; + sprintf(fullname, "%s%s\n", handler->prefix, name); rc = md_setxattr(sbi->ll_md_exp, ll_inode2fid(inode), - valid, name, pv, size, 0, flags, + valid, fullname, pv, size, 0, flags, ll_i2suppgid(inode), &req); if (rc) { - if (rc == -EOPNOTSUPP && xattr_type == XATTR_USER_T) { + if (rc == -EOPNOTSUPP && handler->flags == XATTR_USER_T) { LCONSOLE_INFO("Disabling user_xattr feature because it is not supported on the server\n"); sbi->ll_flags &= ~LL_SBI_USER_XATTR; } @@ -149,8 +160,10 @@ int ll_setxattr_common(struct inode *inode, const char *name, return 0; } -int ll_setxattr(struct dentry *dentry, struct inode *inode, - const char *name, const void *value, size_t size, int flags) +static int ll_xattr_set(const struct xattr_handler *handler, + struct dentry *dentry, struct inode *inode, + const char *name, const void *value, size_t size, + int flags) { LASSERT(inode); LASSERT(name); @@ -158,20 +171,24 @@ int ll_setxattr(struct dentry *dentry, struct inode *inode, CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p), xattr %s\n", PFID(ll_inode2fid(inode)), inode, name); - ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_SETXATTR, 1); - - if ((strncmp(name, XATTR_TRUSTED_PREFIX, - sizeof(XATTR_TRUSTED_PREFIX) - 1) == 0 && - strcmp(name + sizeof(XATTR_TRUSTED_PREFIX) - 1, "lov") == 0) || - (strncmp(name, XATTR_LUSTRE_PREFIX, - sizeof(XATTR_LUSTRE_PREFIX) - 1) == 0 && - strcmp(name + sizeof(XATTR_LUSTRE_PREFIX) - 1, "lov") == 0)) { + if (!strcmp(name, "lov")) { struct lov_user_md *lump = (struct lov_user_md *)value; + int op_type = flags == XATTR_REPLACE ? LPROC_LL_REMOVEXATTR : + LPROC_LL_SETXATTR; int rc = 0; + ll_stats_ops_tally(ll_i2sbi(inode), op_type, 1); + if (size != 0 && size < sizeof(struct lov_user_md)) return -EINVAL; + /* + * It is possible to set an xattr to a "" value of zero size. + * For this case we are going to treat it as a removal. + */ + if (!size && lump) + lump = NULL; + /* Attributes that are saved via getxattr will always have * the stripe_offset as 0. Instead, the MDS should be * allowed to pick the starting OST index. b=17846 @@ -194,92 +211,27 @@ int ll_setxattr(struct dentry *dentry, struct inode *inode, return rc; - } else if (strcmp(name, XATTR_NAME_LMA) == 0 || - strcmp(name, XATTR_NAME_LINK) == 0) + } else if (!strcmp(name, "lma") || !strcmp(name, "link")) { + ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_SETXATTR, 1); return 0; + } - return ll_setxattr_common(inode, name, value, size, flags, - OBD_MD_FLXATTR); -} - -int ll_removexattr(struct dentry *dentry, const char *name) -{ - struct inode *inode = d_inode(dentry); - - LASSERT(inode); - LASSERT(name); - - CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p), xattr %s\n", - PFID(ll_inode2fid(inode)), inode, name); - - ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_REMOVEXATTR, 1); - return ll_setxattr_common(inode, name, NULL, 0, 0, - OBD_MD_FLXATTRRM); + return ll_xattr_set_common(handler, dentry, inode, name, value, size, + flags); } -static -int ll_getxattr_common(struct inode *inode, const char *name, - void *buffer, size_t size, __u64 valid) +static int +ll_xattr_list(struct inode *inode, const char *name, int type, void *buffer, + size_t size, __u64 valid) { + struct ll_inode_info *lli = ll_i2info(inode); struct ll_sb_info *sbi = ll_i2sbi(inode); struct ptlrpc_request *req = NULL; struct mdt_body *body; - int xattr_type, rc; void *xdata; - struct ll_inode_info *lli = ll_i2info(inode); + int rc; - CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p)\n", - PFID(ll_inode2fid(inode)), inode); - - /* listxattr have slightly different behavior from of ext3: - * without 'user_xattr' ext3 will list all xattr names but - * filtered out "^user..*"; we list them all for simplicity. - */ - if (!name) { - xattr_type = XATTR_OTHER_T; - goto do_getxattr; - } - - xattr_type = get_xattr_type(name); - rc = xattr_type_filter(sbi, xattr_type); - if (rc) - return rc; - - /* b15587: ignore security.capability xattr for now */ - if ((xattr_type == XATTR_SECURITY_T && - strcmp(name, "security.capability") == 0)) - return -ENODATA; - - /* LU-549: Disable security.selinux when selinux is disabled */ - if (xattr_type == XATTR_SECURITY_T && !selinux_is_enabled() && - strcmp(name, "security.selinux") == 0) - return -EOPNOTSUPP; - -#ifdef CONFIG_FS_POSIX_ACL - /* posix acl is under protection of LOOKUP lock. when calling to this, - * we just have path resolution to the target inode, so we have great - * chance that cached ACL is uptodate. - */ - if (xattr_type == XATTR_ACL_ACCESS_T) { - struct posix_acl *acl; - - spin_lock(&lli->lli_lock); - acl = posix_acl_dup(lli->lli_posix_acl); - spin_unlock(&lli->lli_lock); - - if (!acl) - return -ENODATA; - - rc = posix_acl_to_xattr(&init_user_ns, acl, buffer, size); - posix_acl_release(acl); - return rc; - } - if (xattr_type == XATTR_ACL_DEFAULT_T && !S_ISDIR(inode->i_mode)) - return -ENODATA; -#endif - -do_getxattr: - if (sbi->ll_xattr_cache_enabled && xattr_type != XATTR_ACL_ACCESS_T) { + if (sbi->ll_xattr_cache_enabled && type != XATTR_ACL_ACCESS_T) { rc = ll_xattr_cache_get(inode, name, buffer, size, valid); if (rc == -EAGAIN) goto getxattr_nocache; @@ -311,36 +263,36 @@ getxattr_nocache: /* only detect the xattr size */ if (size == 0) { - rc = body->eadatasize; + rc = body->mbo_eadatasize; goto out; } - if (size < body->eadatasize) { + if (size < body->mbo_eadatasize) { CERROR("server bug: replied size %u > %u\n", - body->eadatasize, (int)size); + body->mbo_eadatasize, (int)size); rc = -ERANGE; goto out; } - if (body->eadatasize == 0) { + if (body->mbo_eadatasize == 0) { rc = -ENODATA; goto out; } /* do not need swab xattr data */ xdata = req_capsule_server_sized_get(&req->rq_pill, &RMF_EADATA, - body->eadatasize); + body->mbo_eadatasize); if (!xdata) { rc = -EFAULT; goto out; } - memcpy(buffer, xdata, body->eadatasize); - rc = body->eadatasize; + memcpy(buffer, xdata, body->mbo_eadatasize); + rc = body->mbo_eadatasize; } out_xattr: - if (rc == -EOPNOTSUPP && xattr_type == XATTR_USER_T) { + if (rc == -EOPNOTSUPP && type == XATTR_USER_T) { LCONSOLE_INFO( "%s: disabling user_xattr feature because it is not supported on the server: rc = %d\n", ll_get_fsname(inode->i_sb, NULL, 0), rc); @@ -351,8 +303,65 @@ out: return rc; } -ssize_t ll_getxattr(struct dentry *dentry, struct inode *inode, - const char *name, void *buffer, size_t size) +static int ll_xattr_get_common(const struct xattr_handler *handler, + struct dentry *dentry, struct inode *inode, + const char *name, void *buffer, size_t size) +{ + char fullname[strlen(handler->prefix) + strlen(name) + 1]; + struct ll_sb_info *sbi = ll_i2sbi(inode); +#ifdef CONFIG_FS_POSIX_ACL + struct ll_inode_info *lli = ll_i2info(inode); +#endif + int rc; + + CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p)\n", + PFID(ll_inode2fid(inode)), inode); + + ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_GETXATTR, 1); + + rc = xattr_type_filter(sbi, handler->flags); + if (rc) + return rc; + + /* b15587: ignore security.capability xattr for now */ + if ((handler->flags == XATTR_SECURITY_T && !strcmp(name, "capability"))) + return -ENODATA; + + /* LU-549: Disable security.selinux when selinux is disabled */ + if (handler->flags == XATTR_SECURITY_T && !selinux_is_enabled() && + !strcmp(name, "selinux")) + return -EOPNOTSUPP; + +#ifdef CONFIG_FS_POSIX_ACL + /* posix acl is under protection of LOOKUP lock. when calling to this, + * we just have path resolution to the target inode, so we have great + * chance that cached ACL is uptodate. + */ + if (handler->flags == XATTR_ACL_ACCESS_T) { + struct posix_acl *acl; + + spin_lock(&lli->lli_lock); + acl = posix_acl_dup(lli->lli_posix_acl); + spin_unlock(&lli->lli_lock); + + if (!acl) + return -ENODATA; + + rc = posix_acl_to_xattr(&init_user_ns, acl, buffer, size); + posix_acl_release(acl); + return rc; + } + if (handler->flags == XATTR_ACL_DEFAULT_T && !S_ISDIR(inode->i_mode)) + return -ENODATA; +#endif + sprintf(fullname, "%s%s\n", handler->prefix, name); + return ll_xattr_list(inode, fullname, handler->flags, buffer, size, + OBD_MD_FLXATTR); +} + +static int ll_xattr_get(const struct xattr_handler *handler, + struct dentry *dentry, struct inode *inode, + const char *name, void *buffer, size_t size) { LASSERT(inode); LASSERT(name); @@ -360,36 +369,23 @@ ssize_t ll_getxattr(struct dentry *dentry, struct inode *inode, CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p), xattr %s\n", PFID(ll_inode2fid(inode)), inode, name); - ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_GETXATTR, 1); - - if ((strncmp(name, XATTR_TRUSTED_PREFIX, - sizeof(XATTR_TRUSTED_PREFIX) - 1) == 0 && - strcmp(name + sizeof(XATTR_TRUSTED_PREFIX) - 1, "lov") == 0) || - (strncmp(name, XATTR_LUSTRE_PREFIX, - sizeof(XATTR_LUSTRE_PREFIX) - 1) == 0 && - strcmp(name + sizeof(XATTR_LUSTRE_PREFIX) - 1, "lov") == 0)) { + if (!strcmp(name, "lov")) { struct lov_stripe_md *lsm; struct lov_user_md *lump; struct lov_mds_md *lmm = NULL; struct ptlrpc_request *request = NULL; int rc = 0, lmmsize = 0; + ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_GETXATTR, 1); + if (!S_ISREG(inode->i_mode) && !S_ISDIR(inode->i_mode)) return -ENODATA; - if (size == 0 && S_ISDIR(inode->i_mode)) { - /* XXX directory EA is fix for now, optimize to save - * RPC transfer - */ - rc = sizeof(struct lov_user_md); - goto out; - } - lsm = ccc_inode_lsm_get(inode); if (!lsm) { if (S_ISDIR(inode->i_mode)) { - rc = ll_dir_getstripe(inode, &lmm, - &lmmsize, &request); + rc = ll_dir_getstripe(inode, (void **)&lmm, + &lmmsize, &request, 0); } else { rc = -ENODATA; } @@ -439,7 +435,7 @@ out: return rc; } - return ll_getxattr_common(inode, name, buffer, size, OBD_MD_FLXATTR); + return ll_xattr_get_common(handler, dentry, inode, name, buffer, size); } ssize_t ll_listxattr(struct dentry *dentry, char *buffer, size_t size) @@ -457,7 +453,8 @@ ssize_t ll_listxattr(struct dentry *dentry, char *buffer, size_t size) ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_LISTXATTR, 1); - rc = ll_getxattr_common(inode, NULL, buffer, size, OBD_MD_FLXATTRLS); + rc = ll_xattr_list(inode, NULL, XATTR_OTHER_T, buffer, size, + OBD_MD_FLXATTRLS); if (rc < 0) goto out; @@ -488,7 +485,8 @@ ssize_t ll_listxattr(struct dentry *dentry, char *buffer, size_t size) if (!ll_i2info(inode)->lli_has_smd) rc2 = -1; } else if (S_ISDIR(inode->i_mode)) { - rc2 = ll_dir_getstripe(inode, &lmm, &lmmsize, &request); + rc2 = ll_dir_getstripe(inode, (void **)&lmm, &lmmsize, + &request, 0); } if (rc2 < 0) { @@ -518,3 +516,57 @@ out: return rc; } + +static const struct xattr_handler ll_user_xattr_handler = { + .prefix = XATTR_USER_PREFIX, + .flags = XATTR_USER_T, + .get = ll_xattr_get_common, + .set = ll_xattr_set_common, +}; + +static const struct xattr_handler ll_trusted_xattr_handler = { + .prefix = XATTR_TRUSTED_PREFIX, + .flags = XATTR_TRUSTED_T, + .get = ll_xattr_get, + .set = ll_xattr_set, +}; + +static const struct xattr_handler ll_security_xattr_handler = { + .prefix = XATTR_SECURITY_PREFIX, + .flags = XATTR_SECURITY_T, + .get = ll_xattr_get_common, + .set = ll_xattr_set_common, +}; + +static const struct xattr_handler ll_acl_access_xattr_handler = { + .prefix = XATTR_NAME_POSIX_ACL_ACCESS, + .flags = XATTR_ACL_ACCESS_T, + .get = ll_xattr_get_common, + .set = ll_xattr_set_common, +}; + +static const struct xattr_handler ll_acl_default_xattr_handler = { + .prefix = XATTR_NAME_POSIX_ACL_DEFAULT, + .flags = XATTR_ACL_DEFAULT_T, + .get = ll_xattr_get_common, + .set = ll_xattr_set_common, +}; + +static const struct xattr_handler ll_lustre_xattr_handler = { + .prefix = XATTR_LUSTRE_PREFIX, + .flags = XATTR_LUSTRE_T, + .get = ll_xattr_get, + .set = ll_xattr_set, +}; + +const struct xattr_handler *ll_xattr_handlers[] = { + &ll_user_xattr_handler, + &ll_trusted_xattr_handler, + &ll_security_xattr_handler, +#ifdef CONFIG_FS_POSIX_ACL + &ll_acl_access_xattr_handler, + &ll_acl_default_xattr_handler, +#endif + &ll_lustre_xattr_handler, + NULL, +}; diff --git a/drivers/staging/lustre/lustre/llite/xattr_cache.c b/drivers/staging/lustre/lustre/llite/xattr_cache.c index 8089da8143d9..0330d1a47351 100644 --- a/drivers/staging/lustre/lustre/llite/xattr_cache.c +++ b/drivers/staging/lustre/lustre/llite/xattr_cache.c @@ -270,10 +270,12 @@ static int ll_xattr_find_get_lock(struct inode *inode, struct lustre_handle lockh = { 0 }; struct md_op_data *op_data; struct ll_inode_info *lli = ll_i2info(inode); - struct ldlm_enqueue_info einfo = { .ei_type = LDLM_IBITS, - .ei_mode = it_to_lock_mode(oit), - .ei_cb_bl = ll_md_blocking_ast, - .ei_cb_cp = ldlm_completion_ast }; + struct ldlm_enqueue_info einfo = { + .ei_type = LDLM_IBITS, + .ei_mode = it_to_lock_mode(oit), + .ei_cb_bl = &ll_md_blocking_ast, + .ei_cb_cp = &ldlm_completion_ast, + }; struct ll_sb_info *sbi = ll_i2sbi(inode); struct obd_export *exp = sbi->ll_md_exp; int rc; @@ -304,7 +306,7 @@ static int ll_xattr_find_get_lock(struct inode *inode, op_data->op_valid = OBD_MD_FLXATTR | OBD_MD_FLXATTRLS; - rc = md_enqueue(exp, &einfo, oit, op_data, &lockh, NULL, 0, NULL, 0); + rc = md_enqueue(exp, &einfo, NULL, oit, op_data, &lockh, 0); ll_finish_md_op_data(op_data); if (rc < 0) { @@ -380,25 +382,25 @@ static int ll_xattr_cache_refill(struct inode *inode, struct lookup_intent *oit) } /* do not need swab xattr data */ xdata = req_capsule_server_sized_get(&req->rq_pill, &RMF_EADATA, - body->eadatasize); + body->mbo_eadatasize); xval = req_capsule_server_sized_get(&req->rq_pill, &RMF_EAVALS, - body->aclsize); + body->mbo_aclsize); xsizes = req_capsule_server_sized_get(&req->rq_pill, &RMF_EAVALS_LENS, - body->max_mdsize * sizeof(__u32)); + body->mbo_max_mdsize * sizeof(__u32)); if (!xdata || !xval || !xsizes) { CERROR("wrong setxattr reply\n"); rc = -EPROTO; goto out_destroy; } - xtail = xdata + body->eadatasize; - xvtail = xval + body->aclsize; + xtail = xdata + body->mbo_eadatasize; + xvtail = xval + body->mbo_aclsize; CDEBUG(D_CACHE, "caching: xdata=%p xtail=%p\n", xdata, xtail); ll_xattr_cache_init(lli); - for (i = 0; i < body->max_mdsize; i++) { + for (i = 0; i < body->mbo_max_mdsize; i++) { CDEBUG(D_CACHE, "caching [%s]=%.*s\n", xdata, *xsizes, xval); /* Perform consistency checks: attr names and vals in pill */ if (!memchr(xdata, 0, xtail - xdata)) { diff --git a/drivers/staging/lustre/lustre/lmv/lmv_intent.c b/drivers/staging/lustre/lustre/lmv/lmv_intent.c index 2f58fdab8d1e..85cc5cb89daf 100644 --- a/drivers/staging/lustre/lustre/lmv/lmv_intent.c +++ b/drivers/staging/lustre/lustre/lmv/lmv_intent.c @@ -43,13 +43,13 @@ #include "../include/lustre_lib.h" #include "../include/lustre_net.h" #include "../include/lustre_dlm.h" +#include "../include/lustre_mdc.h" #include "../include/obd_class.h" #include "../include/lprocfs_status.h" #include "lmv_internal.h" -static int lmv_intent_remote(struct obd_export *exp, void *lmm, - int lmmsize, struct lookup_intent *it, - const struct lu_fid *parent_fid, int flags, +static int lmv_intent_remote(struct obd_export *exp, struct lookup_intent *it, + const struct lu_fid *parent_fid, struct ptlrpc_request **reqp, ldlm_blocking_callback cb_blocking, __u64 extra_lock_flags) @@ -68,7 +68,7 @@ static int lmv_intent_remote(struct obd_export *exp, void *lmm, if (!body) return -EPROTO; - LASSERT((body->valid & OBD_MD_MDS)); + LASSERT((body->mbo_valid & OBD_MD_MDS)); /* * Unfortunately, we have to lie to MDC/MDS to retrieve @@ -87,9 +87,9 @@ static int lmv_intent_remote(struct obd_export *exp, void *lmm, it->it_request = NULL; } - LASSERT(fid_is_sane(&body->fid1)); + LASSERT(fid_is_sane(&body->mbo_fid1)); - tgt = lmv_find_target(lmv, &body->fid1); + tgt = lmv_find_target(lmv, &body->mbo_fid1); if (IS_ERR(tgt)) { rc = PTR_ERR(tgt); goto out; @@ -101,7 +101,7 @@ static int lmv_intent_remote(struct obd_export *exp, void *lmm, goto out; } - op_data->op_fid1 = body->fid1; + op_data->op_fid1 = body->mbo_fid1; /* Sent the parent FID to the remote MDT */ if (parent_fid) { /* The parent fid is only for remote open to @@ -110,18 +110,14 @@ static int lmv_intent_remote(struct obd_export *exp, void *lmm, */ LASSERT(it->it_op & IT_OPEN); op_data->op_fid2 = *parent_fid; - /* Add object FID to op_fid3, in case it needs to check stale - * (M_CHECK_STALE), see mdc_finish_intent_lock - */ - op_data->op_fid3 = body->fid1; } op_data->op_bias = MDS_CROSS_REF; CDEBUG(D_INODE, "REMOTE_INTENT with fid="DFID" -> mds #%d\n", - PFID(&body->fid1), tgt->ltd_idx); + PFID(&body->mbo_fid1), tgt->ltd_idx); - rc = md_intent_lock(tgt->ltd_exp, op_data, lmm, lmmsize, it, - flags, &req, cb_blocking, extra_lock_flags); + rc = md_intent_lock(tgt->ltd_exp, op_data, it, &req, cb_blocking, + extra_lock_flags); if (rc) goto out_free_op_data; @@ -136,8 +132,10 @@ static int lmv_intent_remote(struct obd_export *exp, void *lmm, it->it_remote_lock_mode = it->it_lock_mode; } - it->it_lock_handle = plock.cookie; - it->it_lock_mode = pmode; + if (pmode) { + it->it_lock_handle = plock.cookie; + it->it_lock_mode = pmode; + } out_free_op_data: kfree(op_data); @@ -150,13 +148,157 @@ out: return rc; } +int lmv_revalidate_slaves(struct obd_export *exp, struct mdt_body *mbody, + struct lmv_stripe_md *lsm, + ldlm_blocking_callback cb_blocking, + int extra_lock_flags) +{ + struct obd_device *obd = exp->exp_obd; + struct lmv_obd *lmv = &obd->u.lmv; + struct mdt_body *body; + struct md_op_data *op_data; + unsigned long size = 0; + unsigned long nlink = 0; + __s64 atime = 0; + __s64 ctime = 0; + __s64 mtime = 0; + int rc = 0, i; + + /** + * revalidate slaves has some problems, temporarily return, + * we may not need that + */ + op_data = kzalloc(sizeof(*op_data), GFP_NOFS); + if (!op_data) + return -ENOMEM; + + /** + * Loop over the stripe information, check validity and update them + * from MDS if needed. + */ + for (i = 0; i < lsm->lsm_md_stripe_count; i++) { + struct lookup_intent it = { .it_op = IT_GETATTR }; + struct ptlrpc_request *req = NULL; + struct lustre_handle *lockh = NULL; + struct lmv_tgt_desc *tgt = NULL; + struct inode *inode; + struct lu_fid fid; + + fid = lsm->lsm_md_oinfo[i].lmo_fid; + inode = lsm->lsm_md_oinfo[i].lmo_root; + + /* + * Prepare op_data for revalidating. Note that @fid2 shluld be + * defined otherwise it will go to server and take new lock + * which is not needed here. + */ + memset(op_data, 0, sizeof(*op_data)); + op_data->op_fid1 = fid; + op_data->op_fid2 = fid; + + tgt = lmv_locate_mds(lmv, op_data, &fid); + if (IS_ERR(tgt)) { + rc = PTR_ERR(tgt); + goto cleanup; + } + + CDEBUG(D_INODE, "Revalidate slave "DFID" -> mds #%d\n", + PFID(&fid), tgt->ltd_idx); + + rc = md_intent_lock(tgt->ltd_exp, op_data, &it, &req, + cb_blocking, extra_lock_flags); + if (rc < 0) + goto cleanup; + + lockh = (struct lustre_handle *)&it.it_lock_handle; + if (rc > 0 && !req) { + /* slave inode is still valid */ + CDEBUG(D_INODE, "slave "DFID" is still valid.\n", + PFID(&fid)); + rc = 0; + } else { + /* refresh slave from server */ + body = req_capsule_server_get(&req->rq_pill, + &RMF_MDT_BODY); + LASSERT(body); + + if (unlikely(body->mbo_nlink < 2)) { + CERROR("%s: nlink %d < 2 corrupt stripe %d "DFID":" DFID"\n", + obd->obd_name, body->mbo_nlink, i, + PFID(&lsm->lsm_md_oinfo[i].lmo_fid), + PFID(&lsm->lsm_md_oinfo[0].lmo_fid)); + + if (req) + ptlrpc_req_finished(req); + + if (it.it_lock_mode && lockh) { + ldlm_lock_decref(lockh, it.it_lock_mode); + it.it_lock_mode = 0; + } + + rc = -EIO; + goto cleanup; + } + + i_size_write(inode, body->mbo_size); + set_nlink(inode, body->mbo_nlink); + LTIME_S(inode->i_atime) = body->mbo_atime; + LTIME_S(inode->i_ctime) = body->mbo_ctime; + LTIME_S(inode->i_mtime) = body->mbo_mtime; + + if (req) + ptlrpc_req_finished(req); + } + + md_set_lock_data(tgt->ltd_exp, lockh, inode, NULL); + + if (i != 0) + nlink += inode->i_nlink - 2; + else + nlink += inode->i_nlink; + + atime = LTIME_S(inode->i_atime) > atime ? + LTIME_S(inode->i_atime) : atime; + ctime = LTIME_S(inode->i_ctime) > ctime ? + LTIME_S(inode->i_ctime) : ctime; + mtime = LTIME_S(inode->i_mtime) > mtime ? + LTIME_S(inode->i_mtime) : mtime; + + if (it.it_lock_mode && lockh) { + ldlm_lock_decref(lockh, it.it_lock_mode); + it.it_lock_mode = 0; + } + + CDEBUG(D_INODE, "i %d "DFID" size %llu, nlink %u, atime %lu, mtime %lu, ctime %lu.\n", + i, PFID(&fid), i_size_read(inode), inode->i_nlink, + LTIME_S(inode->i_atime), LTIME_S(inode->i_mtime), + LTIME_S(inode->i_ctime)); + } + + /* + * update attr of master request. + */ + CDEBUG(D_INODE, "Return refreshed attrs: size = %lu nlink %lu atime %llu ctime %llu mtime %llu for " DFID"\n", + size, nlink, atime, ctime, mtime, + PFID(&lsm->lsm_md_oinfo[0].lmo_fid)); + + if (mbody) { + mbody->mbo_atime = atime; + mbody->mbo_ctime = ctime; + mbody->mbo_mtime = mtime; + } +cleanup: + kfree(op_data); + return rc; +} + /* * IT_OPEN is intended to open (and create, possible) an object. Parent (pid) * may be split dir. */ static int lmv_intent_open(struct obd_export *exp, struct md_op_data *op_data, - void *lmm, int lmmsize, struct lookup_intent *it, - int flags, struct ptlrpc_request **reqp, + struct lookup_intent *it, + struct ptlrpc_request **reqp, ldlm_blocking_callback cb_blocking, __u64 extra_lock_flags) { @@ -166,21 +308,41 @@ static int lmv_intent_open(struct obd_export *exp, struct md_op_data *op_data, struct mdt_body *body; int rc; - tgt = lmv_locate_mds(lmv, op_data, &op_data->op_fid1); - if (IS_ERR(tgt)) - return PTR_ERR(tgt); + if (it->it_flags & MDS_OPEN_BY_FID) { + LASSERT(fid_is_sane(&op_data->op_fid2)); + + /* + * for striped directory, we can't know parent stripe fid + * without name, but we can set it to child fid, and MDT + * will obtain it from linkea in open in such case. + */ + if (op_data->op_mea1) + op_data->op_fid1 = op_data->op_fid2; + + tgt = lmv_find_target(lmv, &op_data->op_fid2); + if (IS_ERR(tgt)) + return PTR_ERR(tgt); + + op_data->op_mds = tgt->ltd_idx; + } else { + LASSERT(fid_is_sane(&op_data->op_fid1)); + LASSERT(fid_is_zero(&op_data->op_fid2)); + LASSERT(op_data->op_name); + + tgt = lmv_locate_mds(lmv, op_data, &op_data->op_fid1); + if (IS_ERR(tgt)) + return PTR_ERR(tgt); + } /* If it is ready to open the file by FID, do not need * allocate FID at all, otherwise it will confuse MDT */ - if ((it->it_op & IT_CREAT) && - !(it->it_flags & MDS_OPEN_BY_FID)) { + if ((it->it_op & IT_CREAT) && !(it->it_flags & MDS_OPEN_BY_FID)) { /* - * For open with IT_CREATE and for IT_CREATE cases allocate new - * fid and setup FLD for it. + * For lookup(IT_CREATE) cases allocate new fid and setup FLD + * for it. */ - op_data->op_fid3 = op_data->op_fid2; - rc = lmv_fid_alloc(exp, &op_data->op_fid2, op_data); + rc = lmv_fid_alloc(NULL, exp, &op_data->op_fid2, op_data); if (rc != 0) return rc; } @@ -189,12 +351,12 @@ static int lmv_intent_open(struct obd_export *exp, struct md_op_data *op_data, PFID(&op_data->op_fid1), PFID(&op_data->op_fid2), op_data->op_name, tgt->ltd_idx); - rc = md_intent_lock(tgt->ltd_exp, op_data, lmm, lmmsize, it, flags, - reqp, cb_blocking, extra_lock_flags); + rc = md_intent_lock(tgt->ltd_exp, op_data, it, reqp, cb_blocking, + extra_lock_flags); if (rc != 0) return rc; /* - * Nothing is found, do not access body->fid1 as it is zero and thus + * Nothing is found, do not access body->mbo_fid1 as it is zero and thus * pointless. */ if ((it->it_disposition & DISP_LOOKUP_NEG) && @@ -205,31 +367,17 @@ static int lmv_intent_open(struct obd_export *exp, struct md_op_data *op_data, body = req_capsule_server_get(&(*reqp)->rq_pill, &RMF_MDT_BODY); if (!body) return -EPROTO; - /* - * Not cross-ref case, just get out of here. - */ - if (likely(!(body->valid & OBD_MD_MDS))) - return 0; - /* - * Okay, MDS has returned success. Probably name has been resolved in - * remote inode. - */ - rc = lmv_intent_remote(exp, lmm, lmmsize, it, &op_data->op_fid1, flags, - reqp, cb_blocking, extra_lock_flags); - if (rc != 0) { - LASSERT(rc < 0); - /* - * This is possible, that some userspace application will try to - * open file as directory and we will have -ENOTDIR here. As - * this is normal situation, we should not print error here, - * only debug info. - */ - CDEBUG(D_INODE, "Can't handle remote %s: dir " DFID "(" DFID "):%*s: %d\n", - LL_IT2STR(it), PFID(&op_data->op_fid2), - PFID(&op_data->op_fid1), op_data->op_namelen, - op_data->op_name, rc); - return rc; + /* Not cross-ref case, just get out of here. */ + if (unlikely((body->mbo_valid & OBD_MD_MDS))) { + rc = lmv_intent_remote(exp, it, &op_data->op_fid1, reqp, + cb_blocking, extra_lock_flags); + if (rc != 0) + return rc; + + body = req_capsule_server_get(&(*reqp)->rq_pill, &RMF_MDT_BODY); + if (!body) + return -EPROTO; } return rc; @@ -240,37 +388,102 @@ static int lmv_intent_open(struct obd_export *exp, struct md_op_data *op_data, */ static int lmv_intent_lookup(struct obd_export *exp, struct md_op_data *op_data, - void *lmm, int lmmsize, struct lookup_intent *it, - int flags, struct ptlrpc_request **reqp, + struct lookup_intent *it, + struct ptlrpc_request **reqp, ldlm_blocking_callback cb_blocking, __u64 extra_lock_flags) { + struct lmv_stripe_md *lsm = op_data->op_mea1; struct obd_device *obd = exp->exp_obd; struct lmv_obd *lmv = &obd->u.lmv; struct lmv_tgt_desc *tgt = NULL; struct mdt_body *body; int rc = 0; + /* + * If it returns ERR_PTR(-EBADFD) then it is an unknown hash type + * it will try all stripes to locate the object + */ tgt = lmv_locate_mds(lmv, op_data, &op_data->op_fid1); - if (IS_ERR(tgt)) + if (IS_ERR(tgt) && (PTR_ERR(tgt) != -EBADFD)) return PTR_ERR(tgt); + /* + * Both migrating dir and unknown hash dir need to try + * all of sub-stripes + */ + if (lsm && !lmv_is_known_hash_type(lsm)) { + struct lmv_oinfo *oinfo = &lsm->lsm_md_oinfo[0]; + + op_data->op_fid1 = oinfo->lmo_fid; + op_data->op_mds = oinfo->lmo_mds; + tgt = lmv_get_target(lmv, oinfo->lmo_mds, NULL); + if (IS_ERR(tgt)) + return PTR_ERR(tgt); + } + if (!fid_is_sane(&op_data->op_fid2)) fid_zero(&op_data->op_fid2); - CDEBUG(D_INODE, "LOOKUP_INTENT with fid1="DFID", fid2="DFID - ", name='%s' -> mds #%d\n", PFID(&op_data->op_fid1), - PFID(&op_data->op_fid2), + CDEBUG(D_INODE, "LOOKUP_INTENT with fid1="DFID", fid2="DFID", name='%s' -> mds #%d lsm=%p lsm_magic=%x\n", + PFID(&op_data->op_fid1), PFID(&op_data->op_fid2), op_data->op_name ? op_data->op_name : "<NULL>", - tgt->ltd_idx); + tgt->ltd_idx, lsm, !lsm ? -1 : lsm->lsm_md_magic); op_data->op_bias &= ~MDS_CROSS_REF; - rc = md_intent_lock(tgt->ltd_exp, op_data, lmm, lmmsize, it, - flags, reqp, cb_blocking, extra_lock_flags); + rc = md_intent_lock(tgt->ltd_exp, op_data, it, reqp, cb_blocking, + extra_lock_flags); + if (rc < 0) + return rc; - if (rc < 0 || !*reqp) + if (!*reqp) { + /* + * If RPC happens, lsm information will be revalidated + * during update_inode process (see ll_update_lsm_md) + */ + if (op_data->op_mea2) { + rc = lmv_revalidate_slaves(exp, NULL, op_data->op_mea2, + cb_blocking, + extra_lock_flags); + if (rc != 0) + return rc; + } return rc; + } else if (it_disposition(it, DISP_LOOKUP_NEG) && lsm && + lmv_need_try_all_stripes(lsm)) { + /* + * For migrating and unknown hash type directory, it will + * try to target the entry on other stripes + */ + int stripe_index; + + for (stripe_index = 1; + stripe_index < lsm->lsm_md_stripe_count && + it_disposition(it, DISP_LOOKUP_NEG); stripe_index++) { + struct lmv_oinfo *oinfo; + + /* release the previous request */ + ptlrpc_req_finished(*reqp); + it->it_request = NULL; + *reqp = NULL; + + oinfo = &lsm->lsm_md_oinfo[stripe_index]; + tgt = lmv_find_target(lmv, &oinfo->lmo_fid); + if (IS_ERR(tgt)) + return PTR_ERR(tgt); + + CDEBUG(D_INODE, "Try other stripes " DFID"\n", + PFID(&oinfo->lmo_fid)); + + op_data->op_fid1 = oinfo->lmo_fid; + it->it_disposition &= ~DISP_ENQ_COMPLETE; + rc = md_intent_lock(tgt->ltd_exp, op_data, it, reqp, + cb_blocking, extra_lock_flags); + if (rc) + return rc; + } + } /* * MDS has returned success. Probably name has been resolved in @@ -279,19 +492,23 @@ static int lmv_intent_lookup(struct obd_export *exp, body = req_capsule_server_get(&(*reqp)->rq_pill, &RMF_MDT_BODY); if (!body) return -EPROTO; - /* Not cross-ref case, just get out of here. */ - if (likely(!(body->valid & OBD_MD_MDS))) - return 0; - rc = lmv_intent_remote(exp, lmm, lmmsize, it, NULL, flags, reqp, - cb_blocking, extra_lock_flags); + /* Not cross-ref case, just get out of here. */ + if (unlikely((body->mbo_valid & OBD_MD_MDS))) { + rc = lmv_intent_remote(exp, it, NULL, reqp, cb_blocking, + extra_lock_flags); + if (rc != 0) + return rc; + body = req_capsule_server_get(&(*reqp)->rq_pill, &RMF_MDT_BODY); + if (!body) + return -EPROTO; + } return rc; } int lmv_intent_lock(struct obd_export *exp, struct md_op_data *op_data, - void *lmm, int lmmsize, struct lookup_intent *it, - int flags, struct ptlrpc_request **reqp, + struct lookup_intent *it, struct ptlrpc_request **reqp, ldlm_blocking_callback cb_blocking, __u64 extra_lock_flags) { @@ -300,21 +517,19 @@ int lmv_intent_lock(struct obd_export *exp, struct md_op_data *op_data, LASSERT(fid_is_sane(&op_data->op_fid1)); - CDEBUG(D_INODE, "INTENT LOCK '%s' for '%*s' on "DFID"\n", - LL_IT2STR(it), op_data->op_namelen, op_data->op_name, - PFID(&op_data->op_fid1)); + CDEBUG(D_INODE, "INTENT LOCK '%s' for "DFID" '%*s' on "DFID"\n", + LL_IT2STR(it), PFID(&op_data->op_fid2), op_data->op_namelen, + op_data->op_name, PFID(&op_data->op_fid1)); rc = lmv_check_connect(obd); if (rc) return rc; if (it->it_op & (IT_LOOKUP | IT_GETATTR | IT_LAYOUT)) - rc = lmv_intent_lookup(exp, op_data, lmm, lmmsize, it, - flags, reqp, cb_blocking, + rc = lmv_intent_lookup(exp, op_data, it, reqp, cb_blocking, extra_lock_flags); else if (it->it_op & IT_OPEN) - rc = lmv_intent_open(exp, op_data, lmm, lmmsize, it, - flags, reqp, cb_blocking, + rc = lmv_intent_open(exp, op_data, it, reqp, cb_blocking, extra_lock_flags); else LBUG(); diff --git a/drivers/staging/lustre/lustre/lmv/lmv_internal.h b/drivers/staging/lustre/lustre/lmv/lmv_internal.h index 0beafc49b8d2..c4961d9950f5 100644 --- a/drivers/staging/lustre/lustre/lmv/lmv_internal.h +++ b/drivers/staging/lustre/lustre/lmv/lmv_internal.h @@ -35,6 +35,7 @@ #include "../include/lustre/lustre_idl.h" #include "../include/obd.h" +#include "../include/lustre_lmv.h" #define LMV_MAX_TGT_COUNT 128 @@ -44,77 +45,117 @@ int lmv_check_connect(struct obd_device *obd); int lmv_intent_lock(struct obd_export *exp, struct md_op_data *op_data, - void *lmm, int lmmsize, struct lookup_intent *it, - int flags, struct ptlrpc_request **reqp, + struct lookup_intent *it, struct ptlrpc_request **reqp, ldlm_blocking_callback cb_blocking, __u64 extra_lock_flags); int lmv_fld_lookup(struct lmv_obd *lmv, const struct lu_fid *fid, u32 *mds); int __lmv_fid_alloc(struct lmv_obd *lmv, struct lu_fid *fid, u32 mds); -int lmv_fid_alloc(struct obd_export *exp, struct lu_fid *fid, - struct md_op_data *op_data); +int lmv_fid_alloc(const struct lu_env *env, struct obd_export *exp, + struct lu_fid *fid, struct md_op_data *op_data); -static inline struct lmv_stripe_md *lmv_get_mea(struct ptlrpc_request *req) -{ - struct mdt_body *body; - struct lmv_stripe_md *mea; - - LASSERT(req); - - body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY); - - if (!body || !S_ISDIR(body->mode) || !body->eadatasize) - return NULL; - - mea = req_capsule_server_sized_get(&req->rq_pill, &RMF_MDT_MD, - body->eadatasize); - if (mea->mea_count == 0) - return NULL; - if (mea->mea_magic != MEA_MAGIC_LAST_CHAR && - mea->mea_magic != MEA_MAGIC_ALL_CHARS && - mea->mea_magic != MEA_MAGIC_HASH_SEGMENT) - return NULL; +int lmv_unpack_md(struct obd_export *exp, struct lmv_stripe_md **lsmp, + const union lmv_mds_md *lmm, int stripe_count); - return mea; -} - -static inline int lmv_get_easize(struct lmv_obd *lmv) -{ - return sizeof(struct lmv_stripe_md) + - lmv->desc.ld_tgt_count * - sizeof(struct lu_fid); -} +int lmv_revalidate_slaves(struct obd_export *exp, struct mdt_body *mbody, + struct lmv_stripe_md *lsm, + ldlm_blocking_callback cb_blocking, + int extra_lock_flags); static inline struct lmv_tgt_desc * -lmv_get_target(struct lmv_obd *lmv, u32 mds) +lmv_get_target(struct lmv_obd *lmv, u32 mdt_idx, int *index) { - int count = lmv->desc.ld_tgt_count; int i; - for (i = 0; i < count; i++) { + for (i = 0; i < lmv->desc.ld_tgt_count; i++) { if (!lmv->tgts[i]) continue; - if (lmv->tgts[i]->ltd_idx == mds) + if (lmv->tgts[i]->ltd_idx == mdt_idx) { + if (index) + *index = i; return lmv->tgts[i]; + } } return ERR_PTR(-ENODEV); } -static inline struct lmv_tgt_desc * -lmv_find_target(struct lmv_obd *lmv, const struct lu_fid *fid) +static inline int +lmv_find_target_index(struct lmv_obd *lmv, const struct lu_fid *fid) { - u32 mds = 0; - int rc; + struct lmv_tgt_desc *ltd; + u32 mdt_idx = 0; + int index = 0; if (lmv->desc.ld_tgt_count > 1) { - rc = lmv_fld_lookup(lmv, fid, &mds); - if (rc) - return ERR_PTR(rc); + int rc; + + rc = lmv_fld_lookup(lmv, fid, &mdt_idx); + if (rc < 0) + return rc; } - return lmv_get_target(lmv, mds); + ltd = lmv_get_target(lmv, mdt_idx, &index); + if (IS_ERR(ltd)) + return PTR_ERR(ltd); + + return index; +} + +static inline struct lmv_tgt_desc * +lmv_find_target(struct lmv_obd *lmv, const struct lu_fid *fid) +{ + int index; + + index = lmv_find_target_index(lmv, fid); + if (index < 0) + return ERR_PTR(index); + + return lmv->tgts[index]; +} + +static inline int lmv_stripe_md_size(int stripe_count) +{ + struct lmv_stripe_md *lsm; + + return sizeof(*lsm) + stripe_count * sizeof(lsm->lsm_md_oinfo[0]); +} + +int lmv_name_to_stripe_index(enum lmv_hash_type hashtype, + unsigned int max_mdt_index, + const char *name, int namelen); + +static inline const struct lmv_oinfo * +lsm_name_to_stripe_info(const struct lmv_stripe_md *lsm, const char *name, + int namelen) +{ + int stripe_index; + + stripe_index = lmv_name_to_stripe_index(lsm->lsm_md_hash_type, + lsm->lsm_md_stripe_count, + name, namelen); + if (stripe_index < 0) + return ERR_PTR(stripe_index); + + LASSERTF(stripe_index < lsm->lsm_md_stripe_count, + "stripe_index = %d, stripe_count = %d hash_type = %x name = %.*s\n", + stripe_index, lsm->lsm_md_stripe_count, + lsm->lsm_md_hash_type, namelen, name); + + return &lsm->lsm_md_oinfo[stripe_index]; +} + +static inline bool lmv_is_known_hash_type(const struct lmv_stripe_md *lsm) +{ + return lsm->lsm_md_hash_type == LMV_HASH_TYPE_FNV_1A_64 || + lsm->lsm_md_hash_type == LMV_HASH_TYPE_ALL_CHARS; +} + +static inline bool lmv_need_try_all_stripes(const struct lmv_stripe_md *lsm) +{ + return !lmv_is_known_hash_type(lsm) || + lsm->lsm_md_hash_type & LMV_HASH_FLAG_MIGRATION; } struct lmv_tgt_desc @@ -123,6 +164,6 @@ struct lmv_tgt_desc /* lproc_lmv.c */ void lprocfs_lmv_init_vars(struct lprocfs_static_vars *lvars); -extern struct file_operations lmv_proc_target_fops; +extern const struct file_operations lmv_proc_target_fops; #endif diff --git a/drivers/staging/lustre/lustre/lmv/lmv_obd.c b/drivers/staging/lustre/lustre/lmv/lmv_obd.c index 0e1588a43187..dc752d528dac 100644 --- a/drivers/staging/lustre/lustre/lmv/lmv_obd.c +++ b/drivers/staging/lustre/lustre/lmv/lmv_obd.c @@ -46,12 +46,72 @@ #include "../include/lustre_lib.h" #include "../include/lustre_net.h" #include "../include/obd_class.h" +#include "../include/lustre_lmv.h" #include "../include/lprocfs_status.h" +#include "../include/cl_object.h" #include "../include/lustre_lite.h" #include "../include/lustre_fid.h" +#include "../include/lustre/lustre_ioctl.h" #include "../include/lustre_kernelcomm.h" #include "lmv_internal.h" +/* This hash is only for testing purpose */ +static inline unsigned int +lmv_hash_all_chars(unsigned int count, const char *name, int namelen) +{ + const unsigned char *p = (const unsigned char *)name; + unsigned int c = 0; + + while (--namelen >= 0) + c += p[namelen]; + + c = c % count; + + return c; +} + +static inline unsigned int +lmv_hash_fnv1a(unsigned int count, const char *name, int namelen) +{ + __u64 hash; + + hash = lustre_hash_fnv_1a_64(name, namelen); + + return do_div(hash, count); +} + +int lmv_name_to_stripe_index(__u32 lmv_hash_type, unsigned int stripe_count, + const char *name, int namelen) +{ + __u32 hash_type = lmv_hash_type & LMV_HASH_TYPE_MASK; + int idx; + + LASSERT(namelen > 0); + if (stripe_count <= 1) + return 0; + + /* for migrating object, always start from 0 stripe */ + if (lmv_hash_type & LMV_HASH_FLAG_MIGRATION) + return 0; + + switch (hash_type) { + case LMV_HASH_TYPE_ALL_CHARS: + idx = lmv_hash_all_chars(stripe_count, name, namelen); + break; + case LMV_HASH_TYPE_FNV_1A_64: + idx = lmv_hash_fnv1a(stripe_count, name, namelen); + break; + default: + idx = -EBADFD; + break; + } + + CDEBUG(D_INFO, "name %.*s hash_type %d idx %d\n", namelen, name, + hash_type, idx); + + return idx; +} + static void lmv_activate_target(struct lmv_obd *lmv, struct lmv_tgt_desc *tgt, int activate) @@ -70,12 +130,12 @@ static void lmv_activate_target(struct lmv_obd *lmv, * -ENOTCONN: The UUID is found, but the target connection is bad (!) * -EBADF : The UUID is found, but the OBD of the wrong type (!) */ -static int lmv_set_mdc_active(struct lmv_obd *lmv, struct obd_uuid *uuid, +static int lmv_set_mdc_active(struct lmv_obd *lmv, const struct obd_uuid *uuid, int activate) { struct lmv_tgt_desc *uninitialized_var(tgt); struct obd_device *obd; - int i; + u32 i; int rc = 0; CDEBUG(D_INFO, "Searching in lmv %p for uuid %s (activate=%d)\n", @@ -247,7 +307,7 @@ static int lmv_connect(const struct lu_env *env, static void lmv_set_timeouts(struct obd_device *obd) { struct lmv_obd *lmv; - int i; + u32 i; lmv = &obd->u.lmv; if (lmv->server_timeout == 0) @@ -273,7 +333,7 @@ static int lmv_init_ea_size(struct obd_export *exp, int easize, { struct obd_device *obd = exp->exp_obd; struct lmv_obd *lmv = &obd->u.lmv; - int i; + u32 i; int rc = 0; int change = 0; @@ -420,6 +480,7 @@ static int lmv_add_target(struct obd_device *obd, struct obd_uuid *uuidp, { struct lmv_obd *lmv = &obd->u.lmv; struct lmv_tgt_desc *tgt; + int orig_tgt_count = 0; int rc = 0; CDEBUG(D_CONFIG, "Target uuid: %s. index %d\n", uuidp->uuid, index); @@ -489,14 +550,17 @@ static int lmv_add_target(struct obd_device *obd, struct obd_uuid *uuidp, tgt->ltd_uuid = *uuidp; tgt->ltd_active = 0; lmv->tgts[index] = tgt; - if (index >= lmv->desc.ld_tgt_count) + if (index >= lmv->desc.ld_tgt_count) { + orig_tgt_count = lmv->desc.ld_tgt_count; lmv->desc.ld_tgt_count = index + 1; + } if (lmv->connected) { rc = lmv_connect_mdc(obd, tgt); if (rc) { spin_lock(&lmv->lmv_lock); - lmv->desc.ld_tgt_count--; + if (lmv->desc.ld_tgt_count == index + 1) + lmv->desc.ld_tgt_count = orig_tgt_count; memset(tgt, 0, sizeof(*tgt)); spin_unlock(&lmv->lmv_lock); } else { @@ -514,7 +578,7 @@ int lmv_check_connect(struct obd_device *obd) { struct lmv_obd *lmv = &obd->u.lmv; struct lmv_tgt_desc *tgt; - int i; + u32 i; int rc; int easize; @@ -557,7 +621,7 @@ int lmv_check_connect(struct obd_device *obd) lmv_set_timeouts(obd); class_export_put(lmv->exp); lmv->connected = 1; - easize = lmv_get_easize(lmv); + easize = lmv_mds_md_size(lmv->desc.ld_tgt_count, LMV_MAGIC); lmv_init_ea_size(obd->obd_self_export, easize, 0, 0, 0); mutex_unlock(&lmv->lmv_init_mutex); return 0; @@ -629,7 +693,7 @@ static int lmv_disconnect(struct obd_export *exp) struct obd_device *obd = class_exp2obd(exp); struct lmv_obd *lmv = &obd->u.lmv; int rc; - int i; + u32 i; if (!lmv->tgts) goto out_local; @@ -758,7 +822,7 @@ static int lmv_hsm_req_count(struct lmv_obd *lmv, const struct hsm_user_request *hur, const struct lmv_tgt_desc *tgt_mds) { - int i, nr = 0; + u32 i, nr = 0; struct lmv_tgt_desc *curr_tgt; /* count how many requests must be sent to the given target */ @@ -899,10 +963,10 @@ static int lmv_iocontrol(unsigned int cmd, struct obd_export *exp, struct obd_device *obddev = class_exp2obd(exp); struct lmv_obd *lmv = &obddev->u.lmv; struct lmv_tgt_desc *tgt = NULL; - int i = 0; + u32 i = 0; int rc = 0; int set = 0; - int count = lmv->desc.ld_tgt_count; + u32 count = lmv->desc.ld_tgt_count; if (count == 0) return -ENOTTY; @@ -1173,28 +1237,28 @@ static int lmv_placement_policy(struct obd_device *obd, * If stripe_offset is provided during setdirstripe * (setdirstripe -i xx), xx MDS will be chosen. */ - if (op_data->op_cli_flags & CLI_SET_MEA) { + if (op_data->op_cli_flags & CLI_SET_MEA && op_data->op_data) { struct lmv_user_md *lum; - lum = (struct lmv_user_md *)op_data->op_data; - if (lum->lum_type == LMV_STRIPE_TYPE && - lum->lum_stripe_offset != -1) { - if (lum->lum_stripe_offset >= lmv->desc.ld_tgt_count) { - CERROR("%s: Stripe_offset %d > MDT count %d: rc = %d\n", - obd->obd_name, - lum->lum_stripe_offset, - lmv->desc.ld_tgt_count, -ERANGE); - return -ERANGE; - } - *mds = lum->lum_stripe_offset; - return 0; + lum = op_data->op_data; + if (le32_to_cpu(lum->lum_stripe_offset) != (__u32)-1) { + *mds = le32_to_cpu(lum->lum_stripe_offset); + } else { + /* + * -1 means default, which will be in the same MDT with + * the stripe + */ + *mds = op_data->op_mds; + lum->lum_stripe_offset = cpu_to_le32(op_data->op_mds); } + } else { + /* + * Allocate new fid on target according to operation type and + * parent home mds. + */ + *mds = op_data->op_mds; } - /* Allocate new fid on target according to operation type and parent - * home mds. - */ - *mds = op_data->op_mds; return 0; } @@ -1203,7 +1267,7 @@ int __lmv_fid_alloc(struct lmv_obd *lmv, struct lu_fid *fid, u32 mds) struct lmv_tgt_desc *tgt; int rc; - tgt = lmv_get_target(lmv, mds); + tgt = lmv_get_target(lmv, mds, NULL); if (IS_ERR(tgt)) return PTR_ERR(tgt); @@ -1221,7 +1285,7 @@ int __lmv_fid_alloc(struct lmv_obd *lmv, struct lu_fid *fid, u32 mds) /* * Asking underlaying tgt layer to allocate new fid. */ - rc = obd_fid_alloc(tgt->ltd_exp, fid, NULL); + rc = obd_fid_alloc(NULL, tgt->ltd_exp, fid, NULL); if (rc > 0) { LASSERT(fid_is_sane(fid)); rc = 0; @@ -1232,8 +1296,8 @@ out: return rc; } -int lmv_fid_alloc(struct obd_export *exp, struct lu_fid *fid, - struct md_op_data *op_data) +int lmv_fid_alloc(const struct lu_env *env, struct obd_export *exp, + struct lu_fid *fid, struct md_op_data *op_data) { struct obd_device *obd = class_exp2obd(exp); struct lmv_obd *lmv = &obd->u.lmv; @@ -1354,7 +1418,7 @@ static int lmv_process_config(struct obd_device *obd, u32 len, void *buf) obd_str2uuid(&obd_uuid, lustre_cfg_buf(lcfg, 1)); - if (sscanf(lustre_cfg_buf(lcfg, 2), "%d", &index) != 1) { + if (sscanf(lustre_cfg_buf(lcfg, 2), "%u", &index) != 1) { rc = -EINVAL; goto out; } @@ -1380,7 +1444,7 @@ static int lmv_statfs(const struct lu_env *env, struct obd_export *exp, struct lmv_obd *lmv = &obd->u.lmv; struct obd_statfs *temp; int rc = 0; - int i; + u32 i; rc = lmv_check_connect(obd); if (rc) @@ -1522,7 +1586,7 @@ static int lmv_null_inode(struct obd_export *exp, const struct lu_fid *fid) { struct obd_device *obd = exp->exp_obd; struct lmv_obd *lmv = &obd->u.lmv; - int i; + u32 i; int rc; rc = lmv_check_connect(obd); @@ -1545,36 +1609,6 @@ static int lmv_null_inode(struct obd_export *exp, const struct lu_fid *fid) return 0; } -static int lmv_find_cbdata(struct obd_export *exp, const struct lu_fid *fid, - ldlm_iterator_t it, void *data) -{ - struct obd_device *obd = exp->exp_obd; - struct lmv_obd *lmv = &obd->u.lmv; - int i; - int rc; - - rc = lmv_check_connect(obd); - if (rc) - return rc; - - CDEBUG(D_INODE, "CBDATA for "DFID"\n", PFID(fid)); - - /* - * With DNE every object can have two locks in different namespaces: - * lookup lock in space of MDT storing direntry and update/open lock in - * space of MDT storing inode. - */ - for (i = 0; i < lmv->desc.ld_tgt_count; i++) { - if (!lmv->tgts[i] || !lmv->tgts[i]->ltd_exp) - continue; - rc = md_find_cbdata(lmv->tgts[i]->ltd_exp, fid, it, data); - if (rc) - return rc; - } - - return rc; -} - static int lmv_close(struct obd_export *exp, struct md_op_data *op_data, struct md_open_data *mod, struct ptlrpc_request **request) { @@ -1596,19 +1630,69 @@ static int lmv_close(struct obd_export *exp, struct md_op_data *op_data, return rc; } +/** + * Choosing the MDT by name or FID in @op_data. + * For non-striped directory, it will locate MDT by fid. + * For striped-directory, it will locate MDT by name. And also + * it will reset op_fid1 with the FID of the chosen stripe. + **/ +struct lmv_tgt_desc * +lmv_locate_target_for_name(struct lmv_obd *lmv, struct lmv_stripe_md *lsm, + const char *name, int namelen, struct lu_fid *fid, + u32 *mds) +{ + const struct lmv_oinfo *oinfo; + struct lmv_tgt_desc *tgt; + + oinfo = lsm_name_to_stripe_info(lsm, name, namelen); + if (IS_ERR(oinfo)) + return ERR_CAST(oinfo); + + *fid = oinfo->lmo_fid; + *mds = oinfo->lmo_mds; + tgt = lmv_get_target(lmv, *mds, NULL); + + CDEBUG(D_INFO, "locate on mds %u "DFID"\n", *mds, PFID(fid)); + return tgt; +} + +/** + * Locate mds by fid or name + * + * For striped directory (lsm != NULL), it will locate the stripe + * by name hash (see lsm_name_to_stripe_info()). Note: if the hash_type + * is unknown, it will return -EBADFD, and lmv_intent_lookup might need + * walk through all of stripes to locate the entry. + * + * For normal direcotry, it will locate MDS by FID directly. + * \param[in] lmv LMV device + * \param[in] op_data client MD stack parameters, name, namelen + * mds_num etc. + * \param[in] fid object FID used to locate MDS. + * + * retval pointer to the lmv_tgt_desc if succeed. + * ERR_PTR(errno) if failed. + */ struct lmv_tgt_desc *lmv_locate_mds(struct lmv_obd *lmv, struct md_op_data *op_data, struct lu_fid *fid) { + struct lmv_stripe_md *lsm = op_data->op_mea1; struct lmv_tgt_desc *tgt; - tgt = lmv_find_target(lmv, fid); - if (IS_ERR(tgt)) - return tgt; + if (!lsm || !op_data->op_namelen) { + tgt = lmv_find_target(lmv, fid); + if (IS_ERR(tgt)) + return tgt; - op_data->op_mds = tgt->ltd_idx; + op_data->op_mds = tgt->ltd_idx; - return tgt; + return tgt; + } + + return lmv_locate_target_for_name(lmv, lsm, op_data->op_name, + op_data->op_namelen, fid, + &op_data->op_mds); } static int lmv_create(struct obd_export *exp, struct md_op_data *op_data, @@ -1632,13 +1716,26 @@ static int lmv_create(struct obd_export *exp, struct md_op_data *op_data, if (IS_ERR(tgt)) return PTR_ERR(tgt); - rc = lmv_fid_alloc(exp, &op_data->op_fid2, op_data); + CDEBUG(D_INODE, "CREATE name '%.*s' on "DFID" -> mds #%x\n", + op_data->op_namelen, op_data->op_name, PFID(&op_data->op_fid1), + op_data->op_mds); + + rc = lmv_fid_alloc(NULL, exp, &op_data->op_fid2, op_data); if (rc) return rc; - CDEBUG(D_INODE, "CREATE '%*s' on "DFID" -> mds #%x\n", - op_data->op_namelen, op_data->op_name, PFID(&op_data->op_fid1), - op_data->op_mds); + /* + * Send the create request to the MDT where the object + * will be located + */ + tgt = lmv_find_target(lmv, &op_data->op_fid2); + if (IS_ERR(tgt)) + return PTR_ERR(tgt); + + op_data->op_mds = tgt->ltd_idx; + + CDEBUG(D_INODE, "CREATE obj "DFID" -> mds #%x\n", + PFID(&op_data->op_fid1), op_data->op_mds); op_data->op_flags |= MF_MDC_CANCEL_FID1; rc = md_create(tgt->ltd_exp, op_data, data, datalen, mode, uid, gid, @@ -1674,70 +1771,10 @@ static int lmv_done_writing(struct obd_export *exp, } static int -lmv_enqueue_remote(struct obd_export *exp, struct ldlm_enqueue_info *einfo, - struct lookup_intent *it, struct md_op_data *op_data, - struct lustre_handle *lockh, void *lmm, int lmmsize, - __u64 extra_lock_flags) -{ - struct ptlrpc_request *req = it->it_request; - struct obd_device *obd = exp->exp_obd; - struct lmv_obd *lmv = &obd->u.lmv; - struct lustre_handle plock; - struct lmv_tgt_desc *tgt; - struct md_op_data *rdata; - struct lu_fid fid1; - struct mdt_body *body; - int rc = 0; - int pmode; - - body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY); - - if (!(body->valid & OBD_MD_MDS)) - return 0; - - CDEBUG(D_INODE, "REMOTE_ENQUEUE '%s' on "DFID" -> "DFID"\n", - LL_IT2STR(it), PFID(&op_data->op_fid1), PFID(&body->fid1)); - - /* - * We got LOOKUP lock, but we really need attrs. - */ - pmode = it->it_lock_mode; - LASSERT(pmode != 0); - memcpy(&plock, lockh, sizeof(plock)); - it->it_lock_mode = 0; - it->it_request = NULL; - fid1 = body->fid1; - - ptlrpc_req_finished(req); - - tgt = lmv_find_target(lmv, &fid1); - if (IS_ERR(tgt)) { - rc = PTR_ERR(tgt); - goto out; - } - - rdata = kzalloc(sizeof(*rdata), GFP_NOFS); - if (!rdata) { - rc = -ENOMEM; - goto out; - } - - rdata->op_fid1 = fid1; - rdata->op_bias = MDS_CROSS_REF; - - rc = md_enqueue(tgt->ltd_exp, einfo, it, rdata, lockh, - lmm, lmmsize, NULL, extra_lock_flags); - kfree(rdata); -out: - ldlm_lock_decref(&plock, pmode); - return rc; -} - -static int lmv_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo, + const ldlm_policy_data_t *policy, struct lookup_intent *it, struct md_op_data *op_data, - struct lustre_handle *lockh, void *lmm, int lmmsize, - struct ptlrpc_request **req, __u64 extra_lock_flags) + struct lustre_handle *lockh, __u64 extra_lock_flags) { struct obd_device *obd = exp->exp_obd; struct lmv_obd *lmv = &obd->u.lmv; @@ -1758,19 +1795,15 @@ lmv_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo, CDEBUG(D_INODE, "ENQUEUE '%s' on "DFID" -> mds #%d\n", LL_IT2STR(it), PFID(&op_data->op_fid1), tgt->ltd_idx); - rc = md_enqueue(tgt->ltd_exp, einfo, it, op_data, lockh, - lmm, lmmsize, req, extra_lock_flags); + rc = md_enqueue(tgt->ltd_exp, einfo, policy, it, op_data, lockh, + extra_lock_flags); - if (rc == 0 && it && it->it_op == IT_OPEN) { - rc = lmv_enqueue_remote(exp, einfo, it, op_data, lockh, - lmm, lmmsize, extra_lock_flags); - } return rc; } static int lmv_getattr_name(struct obd_export *exp, struct md_op_data *op_data, - struct ptlrpc_request **request) + struct ptlrpc_request **preq) { struct ptlrpc_request *req = NULL; struct obd_device *obd = exp->exp_obd; @@ -1791,22 +1824,21 @@ lmv_getattr_name(struct obd_export *exp, struct md_op_data *op_data, op_data->op_namelen, op_data->op_name, PFID(&op_data->op_fid1), tgt->ltd_idx); - rc = md_getattr_name(tgt->ltd_exp, op_data, request); + rc = md_getattr_name(tgt->ltd_exp, op_data, preq); if (rc != 0) return rc; - body = req_capsule_server_get(&(*request)->rq_pill, - &RMF_MDT_BODY); - - if (body->valid & OBD_MD_MDS) { - struct lu_fid rid = body->fid1; + body = req_capsule_server_get(&(*preq)->rq_pill, &RMF_MDT_BODY); + if (body->mbo_valid & OBD_MD_MDS) { + struct lu_fid rid = body->mbo_fid1; CDEBUG(D_INODE, "Request attrs for "DFID"\n", PFID(&rid)); tgt = lmv_find_target(lmv, &rid); if (IS_ERR(tgt)) { - ptlrpc_req_finished(*request); + ptlrpc_req_finished(*preq); + *preq = NULL; return PTR_ERR(tgt); } @@ -1815,8 +1847,8 @@ lmv_getattr_name(struct obd_export *exp, struct md_op_data *op_data, op_data->op_namelen = 0; op_data->op_name = NULL; rc = md_getattr_name(tgt->ltd_exp, op_data, &req); - ptlrpc_req_finished(*request); - *request = req; + ptlrpc_req_finished(*preq); + *preq = req; } return rc; @@ -1829,23 +1861,24 @@ lmv_getattr_name(struct obd_export *exp, struct md_op_data *op_data, fl == MF_MDC_CANCEL_FID4 ? &op_data->op_fid4 : \ NULL) -static int lmv_early_cancel(struct obd_export *exp, struct md_op_data *op_data, - int op_tgt, enum ldlm_mode mode, int bits, - int flag) +static int lmv_early_cancel(struct obd_export *exp, struct lmv_tgt_desc *tgt, + struct md_op_data *op_data, int op_tgt, + enum ldlm_mode mode, int bits, int flag) { struct lu_fid *fid = md_op_data_fid(op_data, flag); struct obd_device *obd = exp->exp_obd; struct lmv_obd *lmv = &obd->u.lmv; - struct lmv_tgt_desc *tgt; ldlm_policy_data_t policy = { {0} }; int rc = 0; if (!fid_is_sane(fid)) return 0; - tgt = lmv_find_target(lmv, fid); - if (IS_ERR(tgt)) - return PTR_ERR(tgt); + if (!tgt) { + tgt = lmv_find_target(lmv, fid); + if (IS_ERR(tgt)) + return PTR_ERR(tgt); + } if (tgt->ltd_idx != op_tgt) { CDEBUG(D_INODE, "EARLY_CANCEL on "DFID"\n", PFID(fid)); @@ -1888,6 +1921,18 @@ static int lmv_link(struct obd_export *exp, struct md_op_data *op_data, op_data->op_fsuid = from_kuid(&init_user_ns, current_fsuid()); op_data->op_fsgid = from_kgid(&init_user_ns, current_fsgid()); op_data->op_cap = cfs_curproc_cap_pack(); + if (op_data->op_mea2) { + struct lmv_stripe_md *lsm = op_data->op_mea2; + const struct lmv_oinfo *oinfo; + + oinfo = lsm_name_to_stripe_info(lsm, op_data->op_name, + op_data->op_namelen); + if (IS_ERR(oinfo)) + return PTR_ERR(oinfo); + + op_data->op_fid2 = oinfo->lmo_fid; + } + tgt = lmv_locate_mds(lmv, op_data, &op_data->op_fid2); if (IS_ERR(tgt)) return PTR_ERR(tgt); @@ -1896,7 +1941,7 @@ static int lmv_link(struct obd_export *exp, struct md_op_data *op_data, * Cancel UPDATE lock on child (fid1). */ op_data->op_flags |= MF_MDC_CANCEL_FID2; - rc = lmv_early_cancel(exp, op_data, tgt->ltd_idx, LCK_EX, + rc = lmv_early_cancel(exp, NULL, op_data, tgt->ltd_idx, LCK_EX, MDS_INODELOCK_UPDATE, MF_MDC_CANCEL_FID1); if (rc != 0) return rc; @@ -1913,14 +1958,15 @@ static int lmv_rename(struct obd_export *exp, struct md_op_data *op_data, struct obd_device *obd = exp->exp_obd; struct lmv_obd *lmv = &obd->u.lmv; struct lmv_tgt_desc *src_tgt; - struct lmv_tgt_desc *tgt_tgt; int rc; LASSERT(oldlen != 0); - CDEBUG(D_INODE, "RENAME %*s in "DFID" to %*s in "DFID"\n", + CDEBUG(D_INODE, "RENAME %.*s in "DFID":%d to %.*s in "DFID":%d\n", oldlen, old, PFID(&op_data->op_fid1), - newlen, new, PFID(&op_data->op_fid2)); + op_data->op_mea1 ? op_data->op_mea1->lsm_md_stripe_count : 0, + newlen, new, PFID(&op_data->op_fid2), + op_data->op_mea2 ? op_data->op_mea2->lsm_md_stripe_count : 0); rc = lmv_check_connect(obd); if (rc) @@ -1929,13 +1975,46 @@ static int lmv_rename(struct obd_export *exp, struct md_op_data *op_data, op_data->op_fsuid = from_kuid(&init_user_ns, current_fsuid()); op_data->op_fsgid = from_kgid(&init_user_ns, current_fsgid()); op_data->op_cap = cfs_curproc_cap_pack(); - src_tgt = lmv_locate_mds(lmv, op_data, &op_data->op_fid1); + + if (op_data->op_cli_flags & CLI_MIGRATE) { + LASSERTF(fid_is_sane(&op_data->op_fid3), "invalid FID "DFID"\n", + PFID(&op_data->op_fid3)); + rc = lmv_fid_alloc(NULL, exp, &op_data->op_fid2, op_data); + if (rc) + return rc; + src_tgt = lmv_locate_mds(lmv, op_data, &op_data->op_fid3); + } else { + if (op_data->op_mea1) { + struct lmv_stripe_md *lsm = op_data->op_mea1; + + src_tgt = lmv_locate_target_for_name(lmv, lsm, old, + oldlen, + &op_data->op_fid1, + &op_data->op_mds); + if (IS_ERR(src_tgt)) + return PTR_ERR(src_tgt); + } else { + src_tgt = lmv_find_target(lmv, &op_data->op_fid1); + if (IS_ERR(src_tgt)) + return PTR_ERR(src_tgt); + + op_data->op_mds = src_tgt->ltd_idx; + } + + if (op_data->op_mea2) { + struct lmv_stripe_md *lsm = op_data->op_mea2; + const struct lmv_oinfo *oinfo; + + oinfo = lsm_name_to_stripe_info(lsm, new, newlen); + if (IS_ERR(oinfo)) + return PTR_ERR(oinfo); + + op_data->op_fid2 = oinfo->lmo_fid; + } + } if (IS_ERR(src_tgt)) return PTR_ERR(src_tgt); - tgt_tgt = lmv_locate_mds(lmv, op_data, &op_data->op_fid2); - if (IS_ERR(tgt_tgt)) - return PTR_ERR(tgt_tgt); /* * LOOKUP lock on src child (fid3) should also be cancelled for * src_tgt in mdc_rename. @@ -1946,30 +2025,48 @@ static int lmv_rename(struct obd_export *exp, struct md_op_data *op_data, * Cancel UPDATE locks on tgt parent (fid2), tgt_tgt is its * own target. */ - rc = lmv_early_cancel(exp, op_data, src_tgt->ltd_idx, + rc = lmv_early_cancel(exp, NULL, op_data, src_tgt->ltd_idx, LCK_EX, MDS_INODELOCK_UPDATE, MF_MDC_CANCEL_FID2); - + if (rc) + return rc; /* - * Cancel LOOKUP locks on tgt child (fid4) for parent tgt_tgt. + * Cancel LOOKUP locks on source child (fid3) for parent tgt_tgt. */ - if (rc == 0) { - rc = lmv_early_cancel(exp, op_data, src_tgt->ltd_idx, + if (fid_is_sane(&op_data->op_fid3)) { + struct lmv_tgt_desc *tgt; + + tgt = lmv_find_target(lmv, &op_data->op_fid1); + if (IS_ERR(tgt)) + return PTR_ERR(tgt); + + /* Cancel LOOKUP lock on its parent */ + rc = lmv_early_cancel(exp, tgt, op_data, src_tgt->ltd_idx, LCK_EX, MDS_INODELOCK_LOOKUP, - MF_MDC_CANCEL_FID4); + MF_MDC_CANCEL_FID3); + if (rc) + return rc; + + rc = lmv_early_cancel(exp, NULL, op_data, src_tgt->ltd_idx, + LCK_EX, MDS_INODELOCK_FULL, + MF_MDC_CANCEL_FID3); + if (rc) + return rc; } /* * Cancel all the locks on tgt child (fid4). */ - if (rc == 0) - rc = lmv_early_cancel(exp, op_data, src_tgt->ltd_idx, + if (fid_is_sane(&op_data->op_fid4)) + rc = lmv_early_cancel(exp, NULL, op_data, src_tgt->ltd_idx, LCK_EX, MDS_INODELOCK_FULL, MF_MDC_CANCEL_FID4); - if (rc == 0) - rc = md_rename(src_tgt->ltd_exp, op_data, old, oldlen, - new, newlen, request); + CDEBUG(D_INODE, DFID":m%d to "DFID"\n", PFID(&op_data->op_fid1), + op_data->op_mds, PFID(&op_data->op_fid2)); + + rc = md_rename(src_tgt->ltd_exp, op_data, old, oldlen, + new, newlen, request); return rc; } @@ -2021,169 +2118,419 @@ static int lmv_sync(struct obd_export *exp, const struct lu_fid *fid, return rc; } -/* - * Adjust a set of pages, each page containing an array of lu_dirpages, - * so that each page can be used as a single logical lu_dirpage. +/** + * Get current minimum entry from striped directory * - * A lu_dirpage is laid out as follows, where s = ldp_hash_start, - * e = ldp_hash_end, f = ldp_flags, p = padding, and each "ent" is a - * struct lu_dirent. It has size up to LU_PAGE_SIZE. The ldp_hash_end - * value is used as a cookie to request the next lu_dirpage in a - * directory listing that spans multiple pages (two in this example): - * ________ - * | | - * .|--------v------- -----. - * |s|e|f|p|ent|ent| ... |ent| - * '--|-------------- -----' Each CFS_PAGE contains a single - * '------. lu_dirpage. - * .---------v------- -----. - * |s|e|f|p|ent| 0 | ... | 0 | - * '----------------- -----' + * This function will search the dir entry, whose hash value is the + * closest(>=) to @hash_offset, from all of sub-stripes, and it is + * only being called for striped directory. * - * However, on hosts where the native VM page size (PAGE_SIZE) is - * larger than LU_PAGE_SIZE, a single host page may contain multiple - * lu_dirpages. After reading the lu_dirpages from the MDS, the - * ldp_hash_end of the first lu_dirpage refers to the one immediately - * after it in the same CFS_PAGE (arrows simplified for brevity, but - * in general e0==s1, e1==s2, etc.): + * \param[in] exp export of LMV + * \param[in] op_data parameters transferred beween client MD stack + * stripe_information will be included in this + * parameter + * \param[in] cb_op ldlm callback being used in enqueue in + * mdc_read_page + * \param[in] hash_offset the hash value, which is used to locate + * minum(closet) dir entry + * \param[in|out] stripe_offset the caller use this to indicate the stripe + * index of last entry, so to avoid hash conflict + * between stripes. It will also be used to + * return the stripe index of current dir entry. + * \param[in|out] entp the minum entry and it also is being used + * to input the last dir entry to resolve the + * hash conflict * - * .-------------------- -----. - * |s0|e0|f0|p|ent|ent| ... |ent| - * |---v---------------- -----| - * |s1|e1|f1|p|ent|ent| ... |ent| - * |---v---------------- -----| Here, each CFS_PAGE contains - * ... multiple lu_dirpages. - * |---v---------------- -----| - * |s'|e'|f'|p|ent|ent| ... |ent| - * '---|---------------- -----' - * v - * .----------------------------. - * | next CFS_PAGE | + * \param[out] ppage the page which holds the minum entry * - * This structure is transformed into a single logical lu_dirpage as follows: + * \retval = 0 get the entry successfully + * negative errno (< 0) does not get the entry + */ +static int lmv_get_min_striped_entry(struct obd_export *exp, + struct md_op_data *op_data, + struct md_callback *cb_op, + __u64 hash_offset, int *stripe_offset, + struct lu_dirent **entp, + struct page **ppage) +{ + struct lmv_stripe_md *lsm = op_data->op_mea1; + struct obd_device *obd = exp->exp_obd; + struct lmv_obd *lmv = &obd->u.lmv; + struct lu_dirent *min_ent = NULL; + struct page *min_page = NULL; + struct lmv_tgt_desc *tgt; + int stripe_count; + int min_idx = 0; + int rc = 0; + int i; + + stripe_count = lsm->lsm_md_stripe_count; + for (i = 0; i < stripe_count; i++) { + __u64 stripe_hash = hash_offset; + struct lu_dirent *ent = NULL; + struct page *page = NULL; + struct lu_dirpage *dp; + + tgt = lmv_get_target(lmv, lsm->lsm_md_oinfo[i].lmo_mds, NULL); + if (IS_ERR(tgt)) { + rc = PTR_ERR(tgt); + goto out; + } + + /* + * op_data will be shared by each stripe, so we need + * reset these value for each stripe + */ + op_data->op_fid1 = lsm->lsm_md_oinfo[i].lmo_fid; + op_data->op_fid2 = lsm->lsm_md_oinfo[i].lmo_fid; + op_data->op_data = lsm->lsm_md_oinfo[i].lmo_root; +next: + rc = md_read_page(tgt->ltd_exp, op_data, cb_op, stripe_hash, + &page); + if (rc) + goto out; + + dp = page_address(page); + for (ent = lu_dirent_start(dp); ent; + ent = lu_dirent_next(ent)) { + /* Skip dummy entry */ + if (!le16_to_cpu(ent->lde_namelen)) + continue; + + if (le64_to_cpu(ent->lde_hash) < hash_offset) + continue; + + if (le64_to_cpu(ent->lde_hash) == hash_offset && + (*entp == ent || i < *stripe_offset)) + continue; + + /* skip . and .. for other stripes */ + if (i && (!strncmp(ent->lde_name, ".", + le16_to_cpu(ent->lde_namelen)) || + !strncmp(ent->lde_name, "..", + le16_to_cpu(ent->lde_namelen)))) + continue; + break; + } + + if (!ent) { + stripe_hash = le64_to_cpu(dp->ldp_hash_end); + + kunmap(page); + put_page(page); + page = NULL; + + /* + * reach the end of current stripe, go to next stripe + */ + if (stripe_hash == MDS_DIR_END_OFF) + continue; + else + goto next; + } + + if (min_ent) { + if (le64_to_cpu(min_ent->lde_hash) > + le64_to_cpu(ent->lde_hash)) { + min_ent = ent; + kunmap(min_page); + put_page(min_page); + min_idx = i; + min_page = page; + } else { + kunmap(page); + put_page(page); + page = NULL; + } + } else { + min_ent = ent; + min_page = page; + min_idx = i; + } + } + +out: + if (*ppage) { + kunmap(*ppage); + put_page(*ppage); + } + *stripe_offset = min_idx; + *entp = min_ent; + *ppage = min_page; + return rc; +} + +/** + * Build dir entry page from a striped directory * - * - Replace e0 with e' so the request for the next lu_dirpage gets the page - * labeled 'next CFS_PAGE'. + * This function gets one entry by @offset from a striped directory. It will + * read entries from all of stripes, and choose one closest to the required + * offset(&offset). A few notes + * 1. skip . and .. for non-zero stripes, because there can only have one . + * and .. in a directory. + * 2. op_data will be shared by all of stripes, instead of allocating new + * one, so need to restore before reusing. + * 3. release the entry page if that is not being chosen. * - * - Copy the LDF_COLLIDE flag from f' to f0 to correctly reflect whether - * a hash collision with the next page exists. + * \param[in] exp obd export refer to LMV + * \param[in] op_data hold those MD parameters of read_entry + * \param[in] cb_op ldlm callback being used in enqueue in mdc_read_entry + * \param[out] ldp the entry being read + * \param[out] ppage the page holding the entry. Note: because the entry + * will be accessed in upper layer, so we need hold the + * page until the usages of entry is finished, see + * ll_dir_entry_next. * - * - Adjust the lde_reclen of the ending entry of each lu_dirpage to span - * to the first entry of the next lu_dirpage. + * retval =0 if get entry successfully + * <0 cannot get entry */ -#if PAGE_SIZE > LU_PAGE_SIZE -static void lmv_adjust_dirpages(struct page **pages, int ncfspgs, int nlupgs) -{ - int i; +static int lmv_read_striped_page(struct obd_export *exp, + struct md_op_data *op_data, + struct md_callback *cb_op, + __u64 offset, struct page **ppage) +{ + struct inode *master_inode = op_data->op_data; + struct lu_fid master_fid = op_data->op_fid1; + struct obd_device *obd = exp->exp_obd; + __u64 hash_offset = offset; + struct page *min_ent_page = NULL; + struct page *ent_page = NULL; + struct lu_dirent *min_ent = NULL; + struct lu_dirent *last_ent; + struct lu_dirent *ent; + struct lu_dirpage *dp; + size_t left_bytes; + int ent_idx = 0; + void *area; + int rc; - for (i = 0; i < ncfspgs; i++) { - struct lu_dirpage *dp = kmap(pages[i]); - struct lu_dirpage *first = dp; - struct lu_dirent *end_dirent = NULL; - struct lu_dirent *ent; - __u64 hash_end = dp->ldp_hash_end; - __u32 flags = dp->ldp_flags; - - while (--nlupgs > 0) { - ent = lu_dirent_start(dp); - for (end_dirent = ent; ent; - end_dirent = ent, ent = lu_dirent_next(ent)) - ; - - /* Advance dp to next lu_dirpage. */ - dp = (struct lu_dirpage *)((char *)dp + LU_PAGE_SIZE); - - /* Check if we've reached the end of the CFS_PAGE. */ - if (!((unsigned long)dp & ~PAGE_MASK)) - break; + rc = lmv_check_connect(obd); + if (rc) + return rc; - /* Save the hash and flags of this lu_dirpage. */ - hash_end = dp->ldp_hash_end; - flags = dp->ldp_flags; + /* + * Allocate a page and read entries from all of stripes and fill + * the page by hash order + */ + ent_page = alloc_page(GFP_KERNEL); + if (!ent_page) + return -ENOMEM; - /* Check if lu_dirpage contains no entries. */ - if (!end_dirent) - break; + /* Initialize the entry page */ + dp = kmap(ent_page); + memset(dp, 0, sizeof(*dp)); + dp->ldp_hash_start = cpu_to_le64(offset); + dp->ldp_flags |= LDF_COLLIDE; + + area = dp + 1; + left_bytes = PAGE_SIZE - sizeof(*dp); + ent = area; + last_ent = ent; + do { + __u16 ent_size; + + /* Find the minum entry from all sub-stripes */ + rc = lmv_get_min_striped_entry(exp, op_data, cb_op, hash_offset, + &ent_idx, &min_ent, + &min_ent_page); + if (rc) + goto out; - /* Enlarge the end entry lde_reclen from 0 to - * first entry of next lu_dirpage. - */ - LASSERT(le16_to_cpu(end_dirent->lde_reclen) == 0); - end_dirent->lde_reclen = - cpu_to_le16((char *)(dp->ldp_entries) - - (char *)end_dirent); + /* + * If it can not get minum entry, it means it already reaches + * the end of this directory + */ + if (!min_ent) { + last_ent->lde_reclen = 0; + hash_offset = MDS_DIR_END_OFF; + goto out; } - first->ldp_hash_end = hash_end; - first->ldp_flags &= ~cpu_to_le32(LDF_COLLIDE); - first->ldp_flags |= flags & cpu_to_le32(LDF_COLLIDE); + ent_size = le16_to_cpu(min_ent->lde_reclen); - kunmap(pages[i]); + /* + * the last entry lde_reclen is 0, but it might not + * the end of this entry of this temporay entry + */ + if (!ent_size) + ent_size = lu_dirent_calc_size( + le16_to_cpu(min_ent->lde_namelen), + le32_to_cpu(min_ent->lde_attrs)); + if (ent_size > left_bytes) { + last_ent->lde_reclen = cpu_to_le16(0); + hash_offset = le64_to_cpu(min_ent->lde_hash); + goto out; + } + + memcpy(ent, min_ent, ent_size); + + /* + * Replace . with master FID and Replace .. with the parent FID + * of master object + */ + if (!strncmp(ent->lde_name, ".", + le16_to_cpu(ent->lde_namelen)) && + le16_to_cpu(ent->lde_namelen) == 1) + fid_cpu_to_le(&ent->lde_fid, &master_fid); + else if (!strncmp(ent->lde_name, "..", + le16_to_cpu(ent->lde_namelen)) && + le16_to_cpu(ent->lde_namelen) == 2) + fid_cpu_to_le(&ent->lde_fid, &op_data->op_fid3); + + left_bytes -= ent_size; + ent->lde_reclen = cpu_to_le16(ent_size); + last_ent = ent; + ent = (void *)ent + ent_size; + hash_offset = le64_to_cpu(min_ent->lde_hash); + if (hash_offset == MDS_DIR_END_OFF) { + last_ent->lde_reclen = 0; + break; + } + } while (1); +out: + if (min_ent_page) { + kunmap(min_ent_page); + put_page(min_ent_page); + } + + if (unlikely(rc)) { + __free_page(ent_page); + ent_page = NULL; + } else { + if (ent == area) + dp->ldp_flags |= LDF_EMPTY; + dp->ldp_flags = cpu_to_le32(dp->ldp_flags); + dp->ldp_hash_end = cpu_to_le64(hash_offset); } - LASSERTF(nlupgs == 0, "left = %d", nlupgs); + + /* + * We do not want to allocate md_op_data during each + * dir entry reading, so op_data will be shared by every stripe, + * then we need to restore it back to original value before + * return to the upper layer + */ + op_data->op_fid1 = master_fid; + op_data->op_fid2 = master_fid; + op_data->op_data = master_inode; + + *ppage = ent_page; + + return rc; } -#else -#define lmv_adjust_dirpages(pages, ncfspgs, nlupgs) do {} while (0) -#endif /* PAGE_SIZE > LU_PAGE_SIZE */ -static int lmv_readpage(struct obd_export *exp, struct md_op_data *op_data, - struct page **pages, struct ptlrpc_request **request) +int lmv_read_page(struct obd_export *exp, struct md_op_data *op_data, + struct md_callback *cb_op, __u64 offset, + struct page **ppage) { - struct obd_device *obd = exp->exp_obd; - struct lmv_obd *lmv = &obd->u.lmv; - __u64 offset = op_data->op_offset; - int rc; - int ncfspgs; /* pages read in PAGE_SIZE */ - int nlupgs; /* pages read in LU_PAGE_SIZE */ - struct lmv_tgt_desc *tgt; + struct lmv_stripe_md *lsm = op_data->op_mea1; + struct obd_device *obd = exp->exp_obd; + struct lmv_obd *lmv = &obd->u.lmv; + struct lmv_tgt_desc *tgt; + int rc; rc = lmv_check_connect(obd); if (rc) return rc; - CDEBUG(D_INODE, "READPAGE at %#llx from "DFID"\n", - offset, PFID(&op_data->op_fid1)); + if (unlikely(lsm)) { + rc = lmv_read_striped_page(exp, op_data, cb_op, offset, ppage); + return rc; + } tgt = lmv_find_target(lmv, &op_data->op_fid1); if (IS_ERR(tgt)) return PTR_ERR(tgt); - rc = md_readpage(tgt->ltd_exp, op_data, pages, request); - if (rc != 0) - return rc; - - ncfspgs = ((*request)->rq_bulk->bd_nob_transferred + PAGE_SIZE - 1) - >> PAGE_SHIFT; - nlupgs = (*request)->rq_bulk->bd_nob_transferred >> LU_PAGE_SHIFT; - LASSERT(!((*request)->rq_bulk->bd_nob_transferred & ~LU_PAGE_MASK)); - LASSERT(ncfspgs > 0 && ncfspgs <= op_data->op_npages); - - CDEBUG(D_INODE, "read %d(%d)/%d pages\n", ncfspgs, nlupgs, - op_data->op_npages); - - lmv_adjust_dirpages(pages, ncfspgs, nlupgs); + rc = md_read_page(tgt->ltd_exp, op_data, cb_op, offset, ppage); return rc; } +/** + * Unlink a file/directory + * + * Unlink a file or directory under the parent dir. The unlink request + * usually will be sent to the MDT where the child is located, but if + * the client does not have the child FID then request will be sent to the + * MDT where the parent is located. + * + * If the parent is a striped directory then it also needs to locate which + * stripe the name of the child is located, and replace the parent FID + * (@op->op_fid1) with the stripe FID. Note: if the stripe is unknown, + * it will walk through all of sub-stripes until the child is being + * unlinked finally. + * + * \param[in] exp export refer to LMV + * \param[in] op_data different parameters transferred beween client + * MD stacks, name, namelen, FIDs etc. + * op_fid1 is the parent FID, op_fid2 is the child + * FID. + * \param[out] request point to the request of unlink. + * + * retval 0 if succeed + * negative errno if failed. + */ static int lmv_unlink(struct obd_export *exp, struct md_op_data *op_data, struct ptlrpc_request **request) { - struct obd_device *obd = exp->exp_obd; + struct lmv_stripe_md *lsm = op_data->op_mea1; + struct obd_device *obd = exp->exp_obd; struct lmv_obd *lmv = &obd->u.lmv; + struct lmv_tgt_desc *parent_tgt = NULL; struct lmv_tgt_desc *tgt = NULL; struct mdt_body *body; + int stripe_index = 0; int rc; rc = lmv_check_connect(obd); if (rc) return rc; -retry: +retry_unlink: + /* For striped dir, we need to locate the parent as well */ + if (lsm) { + struct lmv_tgt_desc *tmp; + + LASSERT(op_data->op_name && op_data->op_namelen); + + tmp = lmv_locate_target_for_name(lmv, lsm, + op_data->op_name, + op_data->op_namelen, + &op_data->op_fid1, + &op_data->op_mds); + + /* + * return -EBADFD means unknown hash type, might + * need try all sub-stripe here + */ + if (IS_ERR(tmp) && PTR_ERR(tmp) != -EBADFD) + return PTR_ERR(tmp); + + /* + * Note: both migrating dir and unknown hash dir need to + * try all of sub-stripes, so we need start search the + * name from stripe 0, but migrating dir is already handled + * inside lmv_locate_target_for_name(), so we only check + * unknown hash type directory here + */ + if (!lmv_is_known_hash_type(lsm)) { + struct lmv_oinfo *oinfo; + + oinfo = &lsm->lsm_md_oinfo[stripe_index]; + + op_data->op_fid1 = oinfo->lmo_fid; + op_data->op_mds = oinfo->lmo_mds; + } + } + +try_next_stripe: /* Send unlink requests to the MDT where the child is located */ if (likely(!fid_is_zero(&op_data->op_fid2))) - tgt = lmv_locate_mds(lmv, op_data, &op_data->op_fid2); + tgt = lmv_find_target(lmv, &op_data->op_fid2); + else if (lsm) + tgt = lmv_get_target(lmv, op_data->op_mds, NULL); else tgt = lmv_locate_mds(lmv, op_data, &op_data->op_fid1); + if (IS_ERR(tgt)) return PTR_ERR(tgt); @@ -2203,9 +2550,18 @@ retry: /* * Cancel FULL locks on child (fid3). */ - rc = lmv_early_cancel(exp, op_data, tgt->ltd_idx, LCK_EX, - MDS_INODELOCK_FULL, MF_MDC_CANCEL_FID3); + parent_tgt = lmv_find_target(lmv, &op_data->op_fid1); + if (IS_ERR(parent_tgt)) + return PTR_ERR(parent_tgt); + + if (parent_tgt != tgt) { + rc = lmv_early_cancel(exp, parent_tgt, op_data, tgt->ltd_idx, + LCK_EX, MDS_INODELOCK_LOOKUP, + MF_MDC_CANCEL_FID3); + } + rc = lmv_early_cancel(exp, NULL, op_data, tgt->ltd_idx, LCK_EX, + MDS_INODELOCK_FULL, MF_MDC_CANCEL_FID3); if (rc != 0) return rc; @@ -2213,19 +2569,38 @@ retry: PFID(&op_data->op_fid1), PFID(&op_data->op_fid2), tgt->ltd_idx); rc = md_unlink(tgt->ltd_exp, op_data, request); - if (rc != 0 && rc != -EREMOTE) + if (rc != 0 && rc != -EREMOTE && rc != -ENOENT) return rc; + /* Try next stripe if it is needed. */ + if (rc == -ENOENT && lsm && lmv_need_try_all_stripes(lsm)) { + struct lmv_oinfo *oinfo; + + stripe_index++; + if (stripe_index >= lsm->lsm_md_stripe_count) + return rc; + + oinfo = &lsm->lsm_md_oinfo[stripe_index]; + + op_data->op_fid1 = oinfo->lmo_fid; + op_data->op_mds = oinfo->lmo_mds; + + ptlrpc_req_finished(*request); + *request = NULL; + + goto try_next_stripe; + } + body = req_capsule_server_get(&(*request)->rq_pill, &RMF_MDT_BODY); if (!body) return -EPROTO; /* Not cross-ref case, just get out of here. */ - if (likely(!(body->valid & OBD_MD_MDS))) + if (likely(!(body->mbo_valid & OBD_MD_MDS))) return 0; CDEBUG(D_INODE, "%s: try unlink to another MDT for "DFID"\n", - exp->exp_obd->obd_name, PFID(&body->fid1)); + exp->exp_obd->obd_name, PFID(&body->mbo_fid1)); /* This is a remote object, try remote MDT, Note: it may * try more than 1 time here, Considering following case @@ -2247,11 +2622,11 @@ retry: * In theory, it might try unlimited time here, but it should * be very rare case. */ - op_data->op_fid2 = body->fid1; + op_data->op_fid2 = body->mbo_fid1; ptlrpc_req_finished(*request); *request = NULL; - goto retry; + goto retry_unlink; } static int lmv_precleanup(struct obd_device *obd, enum obd_cleanup_stage stage) @@ -2375,105 +2750,247 @@ static int lmv_set_info_async(const struct lu_env *env, struct obd_export *exp, return -EINVAL; } -static int lmv_packmd(struct obd_export *exp, struct lov_mds_md **lmmp, - struct lov_stripe_md *lsm) +static int lmv_pack_md_v1(const struct lmv_stripe_md *lsm, + struct lmv_mds_md_v1 *lmm1) { - struct obd_device *obd = class_exp2obd(exp); - struct lmv_obd *lmv = &obd->u.lmv; - struct lmv_stripe_md *meap; - struct lmv_stripe_md *lsmp; - int mea_size; - int i; + int cplen; + int i; - mea_size = lmv_get_easize(lmv); - if (!lmmp) - return mea_size; + lmm1->lmv_magic = cpu_to_le32(lsm->lsm_md_magic); + lmm1->lmv_stripe_count = cpu_to_le32(lsm->lsm_md_stripe_count); + lmm1->lmv_master_mdt_index = cpu_to_le32(lsm->lsm_md_master_mdt_index); + lmm1->lmv_hash_type = cpu_to_le32(lsm->lsm_md_hash_type); + cplen = strlcpy(lmm1->lmv_pool_name, lsm->lsm_md_pool_name, + sizeof(lmm1->lmv_pool_name)); + if (cplen >= sizeof(lmm1->lmv_pool_name)) + return -E2BIG; + + for (i = 0; i < lsm->lsm_md_stripe_count; i++) + fid_cpu_to_le(&lmm1->lmv_stripe_fids[i], + &lsm->lsm_md_oinfo[i].lmo_fid); + return 0; +} + +int lmv_pack_md(union lmv_mds_md **lmmp, const struct lmv_stripe_md *lsm, + int stripe_count) +{ + int lmm_size = 0, rc = 0; + bool allocated = false; + LASSERT(lmmp); + + /* Free lmm */ if (*lmmp && !lsm) { + int stripe_cnt; + + stripe_cnt = lmv_mds_md_stripe_count_get(*lmmp); + lmm_size = lmv_mds_md_size(stripe_cnt, + le32_to_cpu((*lmmp)->lmv_magic)); + if (!lmm_size) + return -EINVAL; kvfree(*lmmp); *lmmp = NULL; return 0; } + /* Alloc lmm */ + if (!*lmmp && !lsm) { + lmm_size = lmv_mds_md_size(stripe_count, LMV_MAGIC); + LASSERT(lmm_size > 0); + *lmmp = libcfs_kvzalloc(lmm_size, GFP_NOFS); + if (!*lmmp) + return -ENOMEM; + lmv_mds_md_stripe_count_set(*lmmp, stripe_count); + (*lmmp)->lmv_magic = cpu_to_le32(LMV_MAGIC); + return lmm_size; + } + + /* pack lmm */ + LASSERT(lsm); + lmm_size = lmv_mds_md_size(lsm->lsm_md_stripe_count, + lsm->lsm_md_magic); if (!*lmmp) { - *lmmp = libcfs_kvzalloc(mea_size, GFP_NOFS); + *lmmp = libcfs_kvzalloc(lmm_size, GFP_NOFS); if (!*lmmp) return -ENOMEM; + allocated = true; } - if (!lsm) - return mea_size; + switch (lsm->lsm_md_magic) { + case LMV_MAGIC_V1: + rc = lmv_pack_md_v1(lsm, &(*lmmp)->lmv_md_v1); + break; + default: + rc = -EINVAL; + break; + } - lsmp = (struct lmv_stripe_md *)lsm; - meap = (struct lmv_stripe_md *)*lmmp; + if (rc && allocated) { + kvfree(*lmmp); + *lmmp = NULL; + } - if (lsmp->mea_magic != MEA_MAGIC_LAST_CHAR && - lsmp->mea_magic != MEA_MAGIC_ALL_CHARS) - return -EINVAL; + return lmm_size; +} +EXPORT_SYMBOL(lmv_pack_md); - meap->mea_magic = cpu_to_le32(lsmp->mea_magic); - meap->mea_count = cpu_to_le32(lsmp->mea_count); - meap->mea_master = cpu_to_le32(lsmp->mea_master); +static int lmv_unpack_md_v1(struct obd_export *exp, struct lmv_stripe_md *lsm, + const struct lmv_mds_md_v1 *lmm1) +{ + struct lmv_obd *lmv = &exp->exp_obd->u.lmv; + int stripe_count; + int rc = 0; + int cplen; + int i; - for (i = 0; i < lmv->desc.ld_tgt_count; i++) { - meap->mea_ids[i] = lsmp->mea_ids[i]; - fid_cpu_to_le(&meap->mea_ids[i], &lsmp->mea_ids[i]); + lsm->lsm_md_magic = le32_to_cpu(lmm1->lmv_magic); + lsm->lsm_md_stripe_count = le32_to_cpu(lmm1->lmv_stripe_count); + lsm->lsm_md_master_mdt_index = le32_to_cpu(lmm1->lmv_master_mdt_index); + if (OBD_FAIL_CHECK(OBD_FAIL_UNKNOWN_LMV_STRIPE)) + lsm->lsm_md_hash_type = LMV_HASH_TYPE_UNKNOWN; + else + lsm->lsm_md_hash_type = le32_to_cpu(lmm1->lmv_hash_type); + lsm->lsm_md_layout_version = le32_to_cpu(lmm1->lmv_layout_version); + cplen = strlcpy(lsm->lsm_md_pool_name, lmm1->lmv_pool_name, + sizeof(lsm->lsm_md_pool_name)); + + if (cplen >= sizeof(lsm->lsm_md_pool_name)) + return -E2BIG; + + CDEBUG(D_INFO, "unpack lsm count %d, master %d hash_type %d layout_version %d\n", + lsm->lsm_md_stripe_count, lsm->lsm_md_master_mdt_index, + lsm->lsm_md_hash_type, lsm->lsm_md_layout_version); + + stripe_count = le32_to_cpu(lmm1->lmv_stripe_count); + for (i = 0; i < le32_to_cpu(stripe_count); i++) { + fid_le_to_cpu(&lsm->lsm_md_oinfo[i].lmo_fid, + &lmm1->lmv_stripe_fids[i]); + rc = lmv_fld_lookup(lmv, &lsm->lsm_md_oinfo[i].lmo_fid, + &lsm->lsm_md_oinfo[i].lmo_mds); + if (rc) + return rc; + CDEBUG(D_INFO, "unpack fid #%d "DFID"\n", i, + PFID(&lsm->lsm_md_oinfo[i].lmo_fid)); } - return mea_size; + return rc; } -static int lmv_unpackmd(struct obd_export *exp, struct lov_stripe_md **lsmp, - struct lov_mds_md *lmm, int lmm_size) +int lmv_unpack_md(struct obd_export *exp, struct lmv_stripe_md **lsmp, + const union lmv_mds_md *lmm, int stripe_count) { - struct obd_device *obd = class_exp2obd(exp); - struct lmv_stripe_md **tmea = (struct lmv_stripe_md **)lsmp; - struct lmv_stripe_md *mea = (struct lmv_stripe_md *)lmm; - struct lmv_obd *lmv = &obd->u.lmv; - int mea_size; - int i; - __u32 magic; + struct lmv_stripe_md *lsm; + bool allocated = false; + int lsm_size, rc; - mea_size = lmv_get_easize(lmv); - if (!lsmp) - return mea_size; + LASSERT(lsmp); - if (*lsmp && !lmm) { - kvfree(*tmea); + lsm = *lsmp; + /* Free memmd */ + if (lsm && !lmm) { + int i; + + for (i = 1; i < lsm->lsm_md_stripe_count; i++) { + /* + * For migrating inode, the master stripe and master + * object will be the same, so do not need iput, see + * ll_update_lsm_md + */ + if (!(lsm->lsm_md_hash_type & LMV_HASH_FLAG_MIGRATION && + !i) && lsm->lsm_md_oinfo[i].lmo_root) + iput(lsm->lsm_md_oinfo[i].lmo_root); + } + + kvfree(lsm); *lsmp = NULL; return 0; } - LASSERT(mea_size == lmm_size); + /* Alloc memmd */ + if (!lsm && !lmm) { + lsm_size = lmv_stripe_md_size(stripe_count); + lsm = libcfs_kvzalloc(lsm_size, GFP_NOFS); + if (!lsm) + return -ENOMEM; + lsm->lsm_md_stripe_count = stripe_count; + *lsmp = lsm; + return 0; + } - *tmea = libcfs_kvzalloc(mea_size, GFP_NOFS); - if (!*tmea) - return -ENOMEM; + if (le32_to_cpu(lmm->lmv_magic) == LMV_MAGIC_STRIPE) + return -EPERM; - if (!lmm) - return mea_size; + /* Unpack memmd */ + if (le32_to_cpu(lmm->lmv_magic) != LMV_MAGIC_V1 && + le32_to_cpu(lmm->lmv_magic) != LMV_USER_MAGIC) { + CERROR("%s: invalid lmv magic %x: rc = %d\n", + exp->exp_obd->obd_name, le32_to_cpu(lmm->lmv_magic), + -EIO); + return -EIO; + } - if (mea->mea_magic == MEA_MAGIC_LAST_CHAR || - mea->mea_magic == MEA_MAGIC_ALL_CHARS || - mea->mea_magic == MEA_MAGIC_HASH_SEGMENT) { - magic = le32_to_cpu(mea->mea_magic); - } else { - /* - * Old mea is not handled here. + if (le32_to_cpu(lmm->lmv_magic) == LMV_MAGIC_V1) + lsm_size = lmv_stripe_md_size(lmv_mds_md_stripe_count_get(lmm)); + else + /** + * Unpack default dirstripe(lmv_user_md) to lmv_stripe_md, + * stripecount should be 0 then. */ - CERROR("Old not supportable EA is found\n"); - LBUG(); + lsm_size = lmv_stripe_md_size(0); + + if (!lsm) { + lsm = libcfs_kvzalloc(lsm_size, GFP_NOFS); + if (!lsm) + return -ENOMEM; + allocated = true; + *lsmp = lsm; + } + + switch (le32_to_cpu(lmm->lmv_magic)) { + case LMV_MAGIC_V1: + rc = lmv_unpack_md_v1(exp, lsm, &lmm->lmv_md_v1); + break; + default: + CERROR("%s: unrecognized magic %x\n", exp->exp_obd->obd_name, + le32_to_cpu(lmm->lmv_magic)); + rc = -EINVAL; + break; } - (*tmea)->mea_magic = magic; - (*tmea)->mea_count = le32_to_cpu(mea->mea_count); - (*tmea)->mea_master = le32_to_cpu(mea->mea_master); + if (rc && allocated) { + kvfree(lsm); + *lsmp = NULL; + lsm_size = rc; + } + return lsm_size; +} +EXPORT_SYMBOL(lmv_unpack_md); - for (i = 0; i < (*tmea)->mea_count; i++) { - (*tmea)->mea_ids[i] = mea->mea_ids[i]; - fid_le_to_cpu(&(*tmea)->mea_ids[i], &(*tmea)->mea_ids[i]); +int lmv_unpackmd(struct obd_export *exp, struct lov_stripe_md **lsmp, + struct lov_mds_md *lmm, int disk_len) +{ + return lmv_unpack_md(exp, (struct lmv_stripe_md **)lsmp, + (union lmv_mds_md *)lmm, disk_len); +} + +int lmv_packmd(struct obd_export *exp, struct lov_mds_md **lmmp, + struct lov_stripe_md *lsm) +{ + const struct lmv_stripe_md *lmv = (struct lmv_stripe_md *)lsm; + struct obd_device *obd = exp->exp_obd; + struct lmv_obd *lmv_obd = &obd->u.lmv; + int stripe_count; + + if (!lmmp) { + if (lsm) + stripe_count = lmv->lsm_md_stripe_count; + else + stripe_count = lmv_obd->desc.ld_tgt_count; + + return lmv_mds_md_size(stripe_count, LMV_MAGIC_V1); } - return mea_size; + + return lmv_pack_md((union lmv_mds_md **)lmmp, lmv, 0); } static int lmv_cancel_unused(struct obd_export *exp, const struct lu_fid *fid, @@ -2484,7 +3001,7 @@ static int lmv_cancel_unused(struct obd_export *exp, const struct lu_fid *fid, struct lmv_obd *lmv = &obd->u.lmv; int rc = 0; int err; - int i; + u32 i; LASSERT(fid); @@ -2502,8 +3019,9 @@ static int lmv_cancel_unused(struct obd_export *exp, const struct lu_fid *fid, return rc; } -static int lmv_set_lock_data(struct obd_export *exp, __u64 *lockh, void *data, - __u64 *bits) +static int lmv_set_lock_data(struct obd_export *exp, + const struct lustre_handle *lockh, + void *data, __u64 *bits) { struct lmv_obd *lmv = &exp->exp_obd->u.lmv; struct lmv_tgt_desc *tgt = lmv->tgts[0]; @@ -2526,24 +3044,32 @@ static enum ldlm_mode lmv_lock_match(struct obd_export *exp, __u64 flags, struct obd_device *obd = exp->exp_obd; struct lmv_obd *lmv = &obd->u.lmv; enum ldlm_mode rc; - int i; + int tgt; + u32 i; CDEBUG(D_INODE, "Lock match for "DFID"\n", PFID(fid)); /* - * With CMD every object can have two locks in different namespaces: - * lookup lock in space of mds storing direntry and update/open lock in - * space of mds storing inode. Thus we check all targets, not only that - * one fid was created in. + * With DNE every object can have two locks in different namespaces: + * lookup lock in space of MDT storing direntry and update/open lock in + * space of MDT storing inode. Try the MDT that the FID maps to first, + * since this can be easily found, and only try others if that fails. */ - for (i = 0; i < lmv->desc.ld_tgt_count; i++) { - struct lmv_tgt_desc *tgt = lmv->tgts[i]; + for (i = 0, tgt = lmv_find_target_index(lmv, fid); + i < lmv->desc.ld_tgt_count; + i++, tgt = (tgt + 1) % lmv->desc.ld_tgt_count) { + if (tgt < 0) { + CDEBUG(D_HA, "%s: "DFID" is inaccessible: rc = %d\n", + obd->obd_name, PFID(fid), tgt); + tgt = 0; + } - if (!tgt || !tgt->ltd_exp || !tgt->ltd_active) + if (!lmv->tgts[tgt] || !lmv->tgts[tgt]->ltd_exp || + !lmv->tgts[tgt]->ltd_active) continue; - rc = md_lock_match(tgt->ltd_exp, flags, fid, type, policy, mode, - lockh); + rc = md_lock_match(lmv->tgts[tgt]->ltd_exp, flags, fid, + type, policy, mode, lockh); if (rc) return rc; } @@ -2571,8 +3097,10 @@ static int lmv_free_lustre_md(struct obd_export *exp, struct lustre_md *md) struct lmv_obd *lmv = &obd->u.lmv; struct lmv_tgt_desc *tgt = lmv->tgts[0]; - if (md->mea) - obd_free_memmd(exp, (void *)&md->mea); + if (md->lmv) { + lmv_free_memmd(md->lmv); + md->lmv = NULL; + } if (!tgt || !tgt->ltd_exp) return -EINVAL; return md_free_lustre_md(tgt->ltd_exp, md); @@ -2621,7 +3149,7 @@ static int lmv_intent_getattr_async(struct obd_export *exp, if (rc) return rc; - tgt = lmv_find_target(lmv, &op_data->op_fid1); + tgt = lmv_locate_mds(lmv, op_data, &op_data->op_fid1); if (IS_ERR(tgt)) return PTR_ERR(tgt); @@ -2649,6 +3177,22 @@ static int lmv_revalidate_lock(struct obd_export *exp, struct lookup_intent *it, return rc; } +int lmv_get_fid_from_lsm(struct obd_export *exp, + const struct lmv_stripe_md *lsm, + const char *name, int namelen, struct lu_fid *fid) +{ + const struct lmv_oinfo *oinfo; + + LASSERT(lsm); + oinfo = lsm_name_to_stripe_info(lsm, name, namelen); + if (IS_ERR(oinfo)) + return PTR_ERR(oinfo); + + *fid = oinfo->lmo_fid; + + return 0; +} + /** * For lmv, only need to send request to master MDT, and the master MDT will * process with other slave MDTs. The only exception is Q_GETOQUOTA for which @@ -2660,8 +3204,9 @@ static int lmv_quotactl(struct obd_device *unused, struct obd_export *exp, struct obd_device *obd = class_exp2obd(exp); struct lmv_obd *lmv = &obd->u.lmv; struct lmv_tgt_desc *tgt = lmv->tgts[0]; - int rc = 0, i; + int rc = 0; __u64 curspace = 0, curinodes = 0; + u32 i; if (!tgt || !tgt->ltd_exp || !tgt->ltd_active || !lmv->desc.ld_tgt_count) { @@ -2704,7 +3249,8 @@ static int lmv_quotacheck(struct obd_device *unused, struct obd_export *exp, struct obd_device *obd = class_exp2obd(exp); struct lmv_obd *lmv = &obd->u.lmv; struct lmv_tgt_desc *tgt; - int i, rc = 0; + int rc = 0; + u32 i; for (i = 0; i < lmv->desc.ld_tgt_count; i++) { int err; @@ -2723,6 +3269,46 @@ static int lmv_quotacheck(struct obd_device *unused, struct obd_export *exp, return rc; } +int lmv_update_lsm_md(struct obd_export *exp, struct lmv_stripe_md *lsm, + struct mdt_body *body, ldlm_blocking_callback cb_blocking) +{ + return lmv_revalidate_slaves(exp, body, lsm, cb_blocking, 0); +} + +int lmv_merge_attr(struct obd_export *exp, const struct lmv_stripe_md *lsm, + struct cl_attr *attr) +{ + int i; + + for (i = 0; i < lsm->lsm_md_stripe_count; i++) { + struct inode *inode = lsm->lsm_md_oinfo[i].lmo_root; + + CDEBUG(D_INFO, ""DFID" size %llu, nlink %u, atime %lu ctime %lu, mtime %lu.\n", + PFID(&lsm->lsm_md_oinfo[i].lmo_fid), + i_size_read(inode), inode->i_nlink, + LTIME_S(inode->i_atime), LTIME_S(inode->i_ctime), + LTIME_S(inode->i_mtime)); + + /* for slave stripe, it needs to subtract nlink for . and .. */ + if (i) + attr->cat_nlink += inode->i_nlink - 2; + else + attr->cat_nlink = inode->i_nlink; + + attr->cat_size += i_size_read(inode); + + if (attr->cat_atime < LTIME_S(inode->i_atime)) + attr->cat_atime = LTIME_S(inode->i_atime); + + if (attr->cat_ctime < LTIME_S(inode->i_ctime)) + attr->cat_ctime = LTIME_S(inode->i_ctime); + + if (attr->cat_mtime < LTIME_S(inode->i_mtime)) + attr->cat_mtime = LTIME_S(inode->i_mtime); + } + return 0; +} + static struct obd_ops lmv_obd_ops = { .owner = THIS_MODULE, .setup = lmv_setup, @@ -2746,7 +3332,6 @@ static struct obd_ops lmv_obd_ops = { static struct md_ops lmv_md_ops = { .getstatus = lmv_getstatus, .null_inode = lmv_null_inode, - .find_cbdata = lmv_find_cbdata, .close = lmv_close, .create = lmv_create, .done_writing = lmv_done_writing, @@ -2760,7 +3345,7 @@ static struct md_ops lmv_md_ops = { .setattr = lmv_setattr, .setxattr = lmv_setxattr, .sync = lmv_sync, - .readpage = lmv_readpage, + .read_page = lmv_read_page, .unlink = lmv_unlink, .init_ea_size = lmv_init_ea_size, .cancel_unused = lmv_cancel_unused, @@ -2768,10 +3353,13 @@ static struct md_ops lmv_md_ops = { .lock_match = lmv_lock_match, .get_lustre_md = lmv_get_lustre_md, .free_lustre_md = lmv_free_lustre_md, + .update_lsm_md = lmv_update_lsm_md, + .merge_attr = lmv_merge_attr, .set_open_replay_data = lmv_set_open_replay_data, .clear_open_replay_data = lmv_clear_open_replay_data, .intent_getattr_async = lmv_intent_getattr_async, - .revalidate_lock = lmv_revalidate_lock + .revalidate_lock = lmv_revalidate_lock, + .get_fid_from_lsm = lmv_get_fid_from_lsm, }; static int __init lmv_init(void) diff --git a/drivers/staging/lustre/lustre/lmv/lproc_lmv.c b/drivers/staging/lustre/lustre/lmv/lproc_lmv.c index c29c361eb0cc..d2316c0a9651 100644 --- a/drivers/staging/lustre/lustre/lmv/lproc_lmv.c +++ b/drivers/staging/lustre/lustre/lmv/lproc_lmv.c @@ -202,7 +202,7 @@ static struct lprocfs_vars lprocfs_lmv_obd_vars[] = { { NULL } }; -struct file_operations lmv_proc_target_fops = { +const struct file_operations lmv_proc_target_fops = { .owner = THIS_MODULE, .open = lmv_target_seq_open, .read = seq_read, diff --git a/drivers/staging/lustre/lustre/lov/lov_cl_internal.h b/drivers/staging/lustre/lustre/lov/lov_cl_internal.h index 9740568d9521..43d1a3ff878e 100644 --- a/drivers/staging/lustre/lustre/lov/lov_cl_internal.h +++ b/drivers/staging/lustre/lustre/lov/lov_cl_internal.h @@ -289,8 +289,8 @@ struct lov_lock { }; struct lov_page { - struct cl_page_slice lps_cl; - int lps_invalid; + struct cl_page_slice lps_cl; + unsigned int lps_stripe; /* stripe index */ }; /* diff --git a/drivers/staging/lustre/lustre/lov/lov_ea.c b/drivers/staging/lustre/lustre/lov/lov_ea.c index 5053dead17bb..d88b81daf692 100644 --- a/drivers/staging/lustre/lustre/lov/lov_ea.c +++ b/drivers/staging/lustre/lustre/lov/lov_ea.c @@ -66,7 +66,8 @@ static int lsm_lmm_verify_common(struct lov_mds_md *lmm, int lmm_bytes, } if (lmm->lmm_stripe_size == 0 || - (le32_to_cpu(lmm->lmm_stripe_size)&(LOV_MIN_STRIPE_SIZE-1)) != 0) { + (le32_to_cpu(lmm->lmm_stripe_size) & + (LOV_MIN_STRIPE_SIZE - 1)) != 0) { CERROR("bad stripe size %u\n", le32_to_cpu(lmm->lmm_stripe_size)); lov_dump_lmm_common(D_WARNING, lmm); diff --git a/drivers/staging/lustre/lustre/lov/lov_io.c b/drivers/staging/lustre/lustre/lov/lov_io.c index 84032a510254..5d47a5ab97f7 100644 --- a/drivers/staging/lustre/lustre/lov/lov_io.c +++ b/drivers/staging/lustre/lustre/lov/lov_io.c @@ -244,14 +244,12 @@ void lov_sub_put(struct lov_io_sub *sub) int lov_page_stripe(const struct cl_page *page) { - struct lovsub_object *subobj; const struct cl_page_slice *slice; - slice = cl_page_at(page, &lovsub_device_type); + slice = cl_page_at(page, &lov_device_type); LASSERT(slice->cpl_obj); - subobj = cl2lovsub(slice->cpl_obj); - return subobj->lso_index; + return cl2lov_page(slice)->lps_stripe; } struct lov_io_sub *lov_page_subio(const struct lu_env *env, struct lov_io *lio, @@ -298,8 +296,8 @@ static int lov_io_subio_init(const struct lu_env *env, struct lov_io *lio, return result; } -static void lov_io_slice_init(struct lov_io *lio, - struct lov_object *obj, struct cl_io *io) +static int lov_io_slice_init(struct lov_io *lio, struct lov_object *obj, + struct cl_io *io) { io->ci_result = 0; lio->lis_object = obj; @@ -314,6 +312,15 @@ static void lov_io_slice_init(struct lov_io *lio, lio->lis_io_endpos = lio->lis_endpos; if (cl_io_is_append(io)) { LASSERT(io->ci_type == CIT_WRITE); + + /* + * If there is LOV EA hole, then we may cannot locate + * the current file-tail exactly. + */ + if (unlikely(obj->lo_lsm->lsm_pattern & + LOV_PATTERN_F_HOLE)) + return -EIO; + lio->lis_pos = 0; lio->lis_endpos = OBD_OBJECT_EOF; } @@ -349,6 +356,7 @@ static void lov_io_slice_init(struct lov_io *lio, default: LBUG(); } + return 0; } static void lov_io_fini(const struct lu_env *env, const struct cl_io_slice *ios) @@ -870,7 +878,7 @@ int lov_io_init_raid0(const struct lu_env *env, struct cl_object *obj, struct lov_object *lov = cl2lov(obj); INIT_LIST_HEAD(&lio->lis_active); - lov_io_slice_init(lio, lov, io); + io->ci_result = lov_io_slice_init(lio, lov, io); if (io->ci_result == 0) { io->ci_result = lov_io_subio_init(env, lio, io); if (io->ci_result == 0) { diff --git a/drivers/staging/lustre/lustre/lov/lov_obd.c b/drivers/staging/lustre/lustre/lov/lov_obd.c index 9b92d5522edb..265be0893b9b 100644 --- a/drivers/staging/lustre/lustre/lov/lov_obd.c +++ b/drivers/staging/lustre/lustre/lov/lov_obd.c @@ -41,6 +41,7 @@ #include "../../include/linux/libcfs/libcfs.h" #include "../include/obd_support.h" +#include "../include/lustre/lustre_ioctl.h" #include "../include/lustre_lib.h" #include "../include/lustre_net.h" #include "../include/lustre/lustre_idl.h" @@ -940,7 +941,7 @@ int lov_process_config_base(struct obd_device *obd, struct lustre_cfg *lcfg, } case LCFG_PARAM: { struct lprocfs_static_vars lvars = { NULL }; - struct lov_desc *desc = &(obd->u.lov.desc); + struct lov_desc *desc = &obd->u.lov.desc; if (!desc) { rc = -EINVAL; @@ -1267,46 +1268,6 @@ static int lov_setattr_async(struct obd_export *exp, struct obd_info *oinfo, return 0; } -/* find any ldlm lock of the inode in lov - * return 0 not find - * 1 find one - * < 0 error - */ -static int lov_find_cbdata(struct obd_export *exp, - struct lov_stripe_md *lsm, ldlm_iterator_t it, - void *data) -{ - struct lov_obd *lov; - int rc = 0, i; - - ASSERT_LSM_MAGIC(lsm); - - if (!exp || !exp->exp_obd) - return -ENODEV; - - lov = &exp->exp_obd->u.lov; - for (i = 0; i < lsm->lsm_stripe_count; i++) { - struct lov_stripe_md submd; - struct lov_oinfo *loi = lsm->lsm_oinfo[i]; - - if (lov_oinfo_is_dummy(loi)) - continue; - - if (!lov->lov_tgts[loi->loi_ost_idx]) { - CDEBUG(D_HA, "lov idx %d NULL\n", loi->loi_ost_idx); - continue; - } - - submd.lsm_oi = loi->loi_oi; - submd.lsm_stripe_count = 0; - rc = obd_find_cbdata(lov->lov_tgts[loi->loi_ost_idx]->ltd_exp, - &submd, it, data); - if (rc != 0) - return rc; - } - return rc; -} - int lov_statfs_interpret(struct ptlrpc_request_set *rqset, void *data, int rc) { struct lov_request_set *lovset = (struct lov_request_set *)data; @@ -1460,7 +1421,7 @@ static int lov_iocontrol(unsigned int cmd, struct obd_export *exp, int len, } desc = (struct lov_desc *)data->ioc_inlbuf1; - memcpy(desc, &(lov->desc), sizeof(*desc)); + memcpy(desc, &lov->desc, sizeof(*desc)); uuidp = (struct obd_uuid *)data->ioc_inlbuf2; genp = (__u32 *)data->ioc_inlbuf3; @@ -1916,8 +1877,9 @@ inactive_tgt: break; } - len_mapped_single_call = lcl_fm_ext[ext_count-1].fe_logical - - lun_start + lcl_fm_ext[ext_count - 1].fe_length; + len_mapped_single_call = + lcl_fm_ext[ext_count - 1].fe_logical - + lun_start + lcl_fm_ext[ext_count - 1].fe_length; /* Have we finished mapping on this device? */ if (req_fm_len <= len_mapped_single_call) @@ -1926,14 +1888,15 @@ inactive_tgt: /* Clear the EXTENT_LAST flag which can be present on * last extent */ - if (lcl_fm_ext[ext_count-1].fe_flags & FIEMAP_EXTENT_LAST) + if (lcl_fm_ext[ext_count - 1].fe_flags & + FIEMAP_EXTENT_LAST) lcl_fm_ext[ext_count - 1].fe_flags &= ~FIEMAP_EXTENT_LAST; curr_loc = lov_stripe_size(lsm, - lcl_fm_ext[ext_count - 1].fe_logical+ - lcl_fm_ext[ext_count - 1].fe_length, - cur_stripe); + lcl_fm_ext[ext_count - 1].fe_logical + + lcl_fm_ext[ext_count - 1].fe_length, + cur_stripe); if (curr_loc >= fm_key->oa.o_size) ost_eof = 1; @@ -2159,8 +2122,8 @@ static int lov_set_info_async(const struct lu_env *env, struct obd_export *exp, &mgi->group, set); } else if (next_id) { err = obd_set_info_async(env, tgt->ltd_exp, - keylen, key, vallen, - ((struct obd_id_info *)val)->data, set); + keylen, key, vallen, + ((struct obd_id_info *)val)->data, set); } else { /* Only want a specific OSC */ if (check_uuid && @@ -2323,7 +2286,6 @@ static struct obd_ops lov_obd_ops = { .getattr_async = lov_getattr_async, .setattr_async = lov_setattr_async, .adjust_kms = lov_adjust_kms, - .find_cbdata = lov_find_cbdata, .iocontrol = lov_iocontrol, .get_info = lov_get_info, .set_info_async = lov_set_info_async, diff --git a/drivers/staging/lustre/lustre/lov/lov_object.c b/drivers/staging/lustre/lustre/lov/lov_object.c index f9621b0fd469..2a52d0c52799 100644 --- a/drivers/staging/lustre/lustre/lov/lov_object.c +++ b/drivers/staging/lustre/lustre/lov/lov_object.c @@ -224,6 +224,7 @@ static int lov_init_raid0(const struct lu_env *env, LASSERT(!lov->lo_lsm); lov->lo_lsm = lsm_addref(lsm); + lov->lo_layout_invalid = true; r0->lo_nr = lsm->lsm_stripe_count; LASSERT(r0->lo_nr <= lov_targets_nr(dev)); diff --git a/drivers/staging/lustre/lustre/lov/lov_page.c b/drivers/staging/lustre/lustre/lov/lov_page.c index c17026f14896..00bfabad78eb 100644 --- a/drivers/staging/lustre/lustre/lov/lov_page.c +++ b/drivers/staging/lustre/lustre/lov/lov_page.c @@ -65,7 +65,9 @@ static int lov_raid0_page_is_under_lock(const struct lu_env *env, pgoff_t index = *max_index; unsigned int pps; /* pages per stripe */ - CDEBUG(D_READA, "*max_index = %lu, nr = %d\n", index, r0->lo_nr); + CDEBUG(D_READA, DFID "*max_index = %lu, nr = %d\n", + PFID(lu_object_fid(lov2lu(loo))), index, r0->lo_nr); + if (index == 0) /* the page is not covered by any lock */ return 0; @@ -80,7 +82,12 @@ static int lov_raid0_page_is_under_lock(const struct lu_env *env, /* calculate the end of current stripe */ pps = loo->lo_lsm->lsm_stripe_size >> PAGE_SHIFT; - index = ((slice->cpl_index + pps) & ~(pps - 1)) - 1; + index = slice->cpl_index + pps - slice->cpl_index % pps - 1; + + CDEBUG(D_READA, DFID "*max_index = %lu, index = %lu, pps = %u, stripe_size = %u, stripe no = %u, page index = %lu\n", + PFID(lu_object_fid(lov2lu(loo))), *max_index, index, pps, + loo->lo_lsm->lsm_stripe_size, lov_page_stripe(slice->cpl_page), + slice->cpl_index); /* never exceed the end of the stripe */ *max_index = min_t(pgoff_t, *max_index, index); @@ -122,6 +129,7 @@ int lov_page_init_raid0(const struct lu_env *env, struct cl_object *obj, rc = lov_stripe_offset(loo->lo_lsm, offset, stripe, &suboff); LASSERT(rc == 0); + lpg->lps_stripe = stripe; cl_page_slice_add(page, &lpg->lps_cl, obj, index, &lov_raid0_page_ops); sub = lov_sub_get(env, lio, stripe); diff --git a/drivers/staging/lustre/lustre/lov/lov_pool.c b/drivers/staging/lustre/lustre/lov/lov_pool.c index 4c2d21729589..f8c8a361ef79 100644 --- a/drivers/staging/lustre/lustre/lov/lov_pool.c +++ b/drivers/staging/lustre/lustre/lov/lov_pool.c @@ -61,7 +61,7 @@ void lov_pool_putref(struct pool_desc *pool) LASSERT(hlist_unhashed(&pool->pool_hash)); LASSERT(list_empty(&pool->pool_list)); LASSERT(!pool->pool_debugfs_entry); - lov_ost_pool_free(&(pool->pool_obds)); + lov_ost_pool_free(&pool->pool_obds); kfree(pool); } } @@ -92,7 +92,7 @@ static __u32 pool_hashfn(struct cfs_hash *hash_body, const void *key, unsigned m for (i = 0; i < LOV_MAXPOOLNAME; i++) { if (poolname[i] == '\0') break; - result = (result << 4)^(result >> 28) ^ poolname[i]; + result = (result << 4) ^ (result >> 28) ^ poolname[i]; } return (result % mask); } @@ -260,7 +260,7 @@ static int pool_proc_show(struct seq_file *s, void *v) tgt = pool_tgt(iter->pool, iter->idx); up_read(&pool_tgt_rw_sem(iter->pool)); if (tgt) - seq_printf(s, "%s\n", obd_uuid2str(&(tgt->ltd_uuid))); + seq_printf(s, "%s\n", obd_uuid2str(&tgt->ltd_uuid)); return 0; } @@ -400,7 +400,7 @@ int lov_pool_new(struct obd_device *obd, char *poolname) struct pool_desc *new_pool; int rc; - lov = &(obd->u.lov); + lov = &obd->u.lov; if (strlen(poolname) > LOV_MAXPOOLNAME) return -ENAMETOOLONG; @@ -471,7 +471,7 @@ int lov_pool_del(struct obd_device *obd, char *poolname) struct lov_obd *lov; struct pool_desc *pool; - lov = &(obd->u.lov); + lov = &obd->u.lov; /* lookup and kill hash reference */ pool = cfs_hash_del_key(lov->lov_pools_hash_body, poolname); @@ -503,7 +503,7 @@ int lov_pool_add(struct obd_device *obd, char *poolname, char *ostname) unsigned int lov_idx; int rc; - lov = &(obd->u.lov); + lov = &obd->u.lov; pool = cfs_hash_lookup(lov->lov_pools_hash_body, poolname); if (!pool) @@ -517,7 +517,7 @@ int lov_pool_add(struct obd_device *obd, char *poolname, char *ostname) if (!lov->lov_tgts[lov_idx]) continue; if (obd_uuid_equals(&ost_uuid, - &(lov->lov_tgts[lov_idx]->ltd_uuid))) + &lov->lov_tgts[lov_idx]->ltd_uuid)) break; } /* test if ost found in lov */ @@ -547,7 +547,7 @@ int lov_pool_remove(struct obd_device *obd, char *poolname, char *ostname) unsigned int lov_idx; int rc = 0; - lov = &(obd->u.lov); + lov = &obd->u.lov; pool = cfs_hash_lookup(lov->lov_pools_hash_body, poolname); if (!pool) @@ -562,7 +562,7 @@ int lov_pool_remove(struct obd_device *obd, char *poolname, char *ostname) continue; if (obd_uuid_equals(&ost_uuid, - &(lov->lov_tgts[lov_idx]->ltd_uuid))) + &lov->lov_tgts[lov_idx]->ltd_uuid)) break; } diff --git a/drivers/staging/lustre/lustre/mdc/lproc_mdc.c b/drivers/staging/lustre/lustre/mdc/lproc_mdc.c index 98d15fb247bc..fca9450de57c 100644 --- a/drivers/staging/lustre/lustre/mdc/lproc_mdc.c +++ b/drivers/staging/lustre/lustre/mdc/lproc_mdc.c @@ -43,11 +43,10 @@ static ssize_t max_rpcs_in_flight_show(struct kobject *kobj, int len; struct obd_device *dev = container_of(kobj, struct obd_device, obd_kobj); - struct client_obd *cli = &dev->u.cli; + __u32 max; - spin_lock(&cli->cl_loi_list_lock); - len = sprintf(buf, "%u\n", cli->cl_max_rpcs_in_flight); - spin_unlock(&cli->cl_loi_list_lock); + max = obd_get_max_rpcs_in_flight(&dev->u.cli); + len = sprintf(buf, "%u\n", max); return len; } @@ -59,7 +58,6 @@ static ssize_t max_rpcs_in_flight_store(struct kobject *kobj, { struct obd_device *dev = container_of(kobj, struct obd_device, obd_kobj); - struct client_obd *cli = &dev->u.cli; int rc; unsigned long val; @@ -67,12 +65,9 @@ static ssize_t max_rpcs_in_flight_store(struct kobject *kobj, if (rc) return rc; - if (val < 1 || val > MDC_MAX_RIF_MAX) - return -ERANGE; - - spin_lock(&cli->cl_loi_list_lock); - cli->cl_max_rpcs_in_flight = val; - spin_unlock(&cli->cl_loi_list_lock); + rc = obd_set_max_rpcs_in_flight(&dev->u.cli, val); + if (rc) + count = rc; return count; } diff --git a/drivers/staging/lustre/lustre/mdc/mdc_internal.h b/drivers/staging/lustre/lustre/mdc/mdc_internal.h index 58f2841cabe4..c10441d1eae8 100644 --- a/drivers/staging/lustre/lustre/mdc/mdc_internal.h +++ b/drivers/staging/lustre/lustre/mdc/mdc_internal.h @@ -34,14 +34,11 @@ #define _MDC_INTERNAL_H #include "../include/lustre_mdc.h" -#include "../include/lustre_mds.h" void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars); void mdc_pack_body(struct ptlrpc_request *req, const struct lu_fid *fid, __u64 valid, int ea_size, __u32 suppgid, int flags); -void mdc_is_subdir_pack(struct ptlrpc_request *req, const struct lu_fid *pfid, - const struct lu_fid *cfid, int flags); void mdc_swap_layouts_pack(struct ptlrpc_request *req, struct md_op_data *op_data); void mdc_readdir_pack(struct ptlrpc_request *req, __u64 pgoff, __u32 size, @@ -61,36 +58,32 @@ void mdc_link_pack(struct ptlrpc_request *req, struct md_op_data *op_data); void mdc_rename_pack(struct ptlrpc_request *req, struct md_op_data *op_data, const char *old, int oldlen, const char *new, int newlen); void mdc_close_pack(struct ptlrpc_request *req, struct md_op_data *op_data); -int mdc_enter_request(struct client_obd *cli); -void mdc_exit_request(struct client_obd *cli); /* mdc/mdc_locks.c */ int mdc_set_lock_data(struct obd_export *exp, - __u64 *lockh, void *data, __u64 *bits); + const struct lustre_handle *lockh, + void *data, __u64 *bits); int mdc_null_inode(struct obd_export *exp, const struct lu_fid *fid); -int mdc_find_cbdata(struct obd_export *exp, const struct lu_fid *fid, - ldlm_iterator_t it, void *data); - int mdc_intent_lock(struct obd_export *exp, - struct md_op_data *, - void *lmm, int lmmsize, - struct lookup_intent *, int, + struct md_op_data *op_data, + struct lookup_intent *it, struct ptlrpc_request **reqp, ldlm_blocking_callback cb_blocking, __u64 extra_lock_flags); + int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo, + const ldlm_policy_data_t *policy, struct lookup_intent *it, struct md_op_data *op_data, - struct lustre_handle *lockh, void *lmm, int lmmsize, - struct ptlrpc_request **req, __u64 extra_lock_flags); + struct lustre_handle *lockh, __u64 extra_lock_flags); int mdc_resource_get_unused(struct obd_export *exp, const struct lu_fid *fid, struct list_head *cancels, enum ldlm_mode mode, __u64 bits); /* mdc/mdc_request.c */ -int mdc_fid_alloc(struct obd_export *exp, struct lu_fid *fid, - struct md_op_data *op_data); +int mdc_fid_alloc(const struct lu_env *env, struct obd_export *exp, + struct lu_fid *fid, struct md_op_data *op_data); struct obd_client_handle; int mdc_set_open_replay_data(struct obd_export *exp, @@ -138,4 +131,12 @@ static inline int mdc_prep_elc_req(struct obd_export *exp, count); } +static inline unsigned long hash_x_index(__u64 hash, int hash64) +{ + if (BITS_PER_LONG == 32 && hash64) + hash >>= 32; + /* save hash 0 with hash 1 */ + return ~0UL - (hash + !hash); +} + #endif diff --git a/drivers/staging/lustre/lustre/mdc/mdc_lib.c b/drivers/staging/lustre/lustre/mdc/mdc_lib.c index 143bd7628572..ecfe13eec533 100644 --- a/drivers/staging/lustre/lustre/mdc/mdc_lib.c +++ b/drivers/staging/lustre/lustre/mdc/mdc_lib.c @@ -37,27 +37,12 @@ static void __mdc_pack_body(struct mdt_body *b, __u32 suppgid) { - b->suppgid = suppgid; - b->uid = from_kuid(&init_user_ns, current_uid()); - b->gid = from_kgid(&init_user_ns, current_gid()); - b->fsuid = from_kuid(&init_user_ns, current_fsuid()); - b->fsgid = from_kgid(&init_user_ns, current_fsgid()); - b->capability = cfs_curproc_cap_pack(); -} - -void mdc_is_subdir_pack(struct ptlrpc_request *req, const struct lu_fid *pfid, - const struct lu_fid *cfid, int flags) -{ - struct mdt_body *b = req_capsule_client_get(&req->rq_pill, - &RMF_MDT_BODY); - - if (pfid) { - b->fid1 = *pfid; - b->valid = OBD_MD_FLID; - } - if (cfid) - b->fid2 = *cfid; - b->flags = flags; + b->mbo_suppgid = suppgid; + b->mbo_uid = from_kuid(&init_user_ns, current_uid()); + b->mbo_gid = from_kgid(&init_user_ns, current_gid()); + b->mbo_fsuid = from_kuid(&init_user_ns, current_fsuid()); + b->mbo_fsgid = from_kgid(&init_user_ns, current_fsgid()); + b->mbo_capability = cfs_curproc_cap_pack(); } void mdc_swap_layouts_pack(struct ptlrpc_request *req, @@ -67,9 +52,9 @@ void mdc_swap_layouts_pack(struct ptlrpc_request *req, &RMF_MDT_BODY); __mdc_pack_body(b, op_data->op_suppgids[0]); - b->fid1 = op_data->op_fid1; - b->fid2 = op_data->op_fid2; - b->valid |= OBD_MD_FLID; + b->mbo_fid1 = op_data->op_fid1; + b->mbo_fid2 = op_data->op_fid2; + b->mbo_valid |= OBD_MD_FLID; } void mdc_pack_body(struct ptlrpc_request *req, const struct lu_fid *fid, @@ -77,27 +62,58 @@ void mdc_pack_body(struct ptlrpc_request *req, const struct lu_fid *fid, { struct mdt_body *b = req_capsule_client_get(&req->rq_pill, &RMF_MDT_BODY); - b->valid = valid; - b->eadatasize = ea_size; - b->flags = flags; + b->mbo_valid = valid; + b->mbo_eadatasize = ea_size; + b->mbo_flags = flags; __mdc_pack_body(b, suppgid); if (fid) { - b->fid1 = *fid; - b->valid |= OBD_MD_FLID; + b->mbo_fid1 = *fid; + b->mbo_valid |= OBD_MD_FLID; } } +/** + * Pack a name (path component) into a request + * + * \param[in] req request + * \param[in] field request field (usually RMF_NAME) + * \param[in] name path component + * \param[in] name_len length of path component + * + * \a field must be present in \a req and of size \a name_len + 1. + * + * \a name must be '\0' terminated of length \a name_len and represent + * a single path component (not contain '/'). + */ +static void mdc_pack_name(struct ptlrpc_request *req, + const struct req_msg_field *field, + const char *name, size_t name_len) +{ + size_t buf_size; + size_t cpy_len; + char *buf; + + buf = req_capsule_client_get(&req->rq_pill, field); + buf_size = req_capsule_get_size(&req->rq_pill, field, RCL_CLIENT); + + LASSERT(name && name_len && buf && buf_size == name_len + 1); + + cpy_len = strlcpy(buf, name, buf_size); + + LASSERT(cpy_len == name_len && lu_name_is_valid_2(buf, cpy_len)); +} + void mdc_readdir_pack(struct ptlrpc_request *req, __u64 pgoff, __u32 size, const struct lu_fid *fid) { struct mdt_body *b = req_capsule_client_get(&req->rq_pill, &RMF_MDT_BODY); - b->fid1 = *fid; - b->valid |= OBD_MD_FLID; - b->size = pgoff; /* !! */ - b->nlink = size; /* !! */ + b->mbo_fid1 = *fid; + b->mbo_valid |= OBD_MD_FLID; + b->mbo_size = pgoff; /* !! */ + b->mbo_nlink = size; /* !! */ __mdc_pack_body(b, -1); - b->mode = LUDA_FID | LUDA_TYPE; + b->mbo_mode = LUDA_FID | LUDA_TYPE; } /* packing of MDS records */ @@ -130,9 +146,7 @@ void mdc_create_pack(struct ptlrpc_request *req, struct md_op_data *op_data, rec->cr_bias = op_data->op_bias; rec->cr_umask = current_umask(); - tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME); - LOGL0(op_data->op_name, op_data->op_namelen, tmp); - + mdc_pack_name(req, &RMF_NAME, op_data->op_name, op_data->op_namelen); if (data) { tmp = req_capsule_client_get(&req->rq_pill, &RMF_EADATA); memcpy(tmp, data, datalen); @@ -142,10 +156,7 @@ void mdc_create_pack(struct ptlrpc_request *req, struct md_op_data *op_data, static __u64 mds_pack_open_flags(__u64 flags, __u32 mode) { __u64 cr_flags = (flags & (FMODE_READ | FMODE_WRITE | - MDS_OPEN_HAS_EA | MDS_OPEN_HAS_OBJS | - MDS_OPEN_OWNEROVERRIDE | MDS_OPEN_LOCK | - MDS_OPEN_BY_FID | MDS_OPEN_LEASE | - MDS_OPEN_RELEASE)); + MDS_OPEN_FL_INTERNAL)); if (flags & O_CREAT) cr_flags |= MDS_OPEN_CREAT; if (flags & O_EXCL) @@ -200,8 +211,9 @@ void mdc_open_pack(struct ptlrpc_request *req, struct md_op_data *op_data, rec->cr_old_handle = op_data->op_handle; if (op_data->op_name) { - tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME); - LOGL0(op_data->op_name, op_data->op_namelen, tmp); + mdc_pack_name(req, &RMF_NAME, op_data->op_name, + op_data->op_namelen); + if (op_data->op_bias & MDS_CREATE_VOLATILE) cr_flags |= MDS_OPEN_VOLATILE; } @@ -334,7 +346,6 @@ void mdc_setattr_pack(struct ptlrpc_request *req, struct md_op_data *op_data, void mdc_unlink_pack(struct ptlrpc_request *req, struct md_op_data *op_data) { struct mdt_rec_unlink *rec; - char *tmp; CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_unlink)); rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT); @@ -352,15 +363,12 @@ void mdc_unlink_pack(struct ptlrpc_request *req, struct md_op_data *op_data) rec->ul_time = op_data->op_mod_time; rec->ul_bias = op_data->op_bias; - tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME); - LASSERT(tmp); - LOGL0(op_data->op_name, op_data->op_namelen, tmp); + mdc_pack_name(req, &RMF_NAME, op_data->op_name, op_data->op_namelen); } void mdc_link_pack(struct ptlrpc_request *req, struct md_op_data *op_data) { struct mdt_rec_link *rec; - char *tmp; CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_link)); rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT); @@ -376,20 +384,20 @@ void mdc_link_pack(struct ptlrpc_request *req, struct md_op_data *op_data) rec->lk_time = op_data->op_mod_time; rec->lk_bias = op_data->op_bias; - tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME); - LOGL0(op_data->op_name, op_data->op_namelen, tmp); + mdc_pack_name(req, &RMF_NAME, op_data->op_name, op_data->op_namelen); } void mdc_rename_pack(struct ptlrpc_request *req, struct md_op_data *op_data, const char *old, int oldlen, const char *new, int newlen) { struct mdt_rec_rename *rec; - char *tmp; CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_rename)); rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT); /* XXX do something about time, uid, gid */ + rec->rn_opcode = op_data->op_cli_flags & CLI_MIGRATE ? + REINT_MIGRATE : REINT_RENAME; rec->rn_opcode = REINT_RENAME; rec->rn_fsuid = op_data->op_fsuid; rec->rn_fsgid = op_data->op_fsgid; @@ -402,13 +410,10 @@ void mdc_rename_pack(struct ptlrpc_request *req, struct md_op_data *op_data, rec->rn_mode = op_data->op_mode; rec->rn_bias = op_data->op_bias; - tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME); - LOGL0(old, oldlen, tmp); + mdc_pack_name(req, &RMF_NAME, old, oldlen); - if (new) { - tmp = req_capsule_client_get(&req->rq_pill, &RMF_SYMTGT); - LOGL0(new, newlen, tmp); - } + if (new) + mdc_pack_name(req, &RMF_SYMTGT, new, newlen); } void mdc_getattr_pack(struct ptlrpc_request *req, __u64 valid, int flags, @@ -417,24 +422,22 @@ void mdc_getattr_pack(struct ptlrpc_request *req, __u64 valid, int flags, struct mdt_body *b = req_capsule_client_get(&req->rq_pill, &RMF_MDT_BODY); - b->valid = valid; + b->mbo_valid = valid; if (op_data->op_bias & MDS_CHECK_SPLIT) - b->valid |= OBD_MD_FLCKSPLIT; + b->mbo_valid |= OBD_MD_FLCKSPLIT; if (op_data->op_bias & MDS_CROSS_REF) - b->valid |= OBD_MD_FLCROSSREF; - b->eadatasize = ea_size; - b->flags = flags; + b->mbo_valid |= OBD_MD_FLCROSSREF; + b->mbo_eadatasize = ea_size; + b->mbo_flags = flags; __mdc_pack_body(b, op_data->op_suppgids[0]); - b->fid1 = op_data->op_fid1; - b->fid2 = op_data->op_fid2; - b->valid |= OBD_MD_FLID; - - if (op_data->op_name) { - char *tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME); + b->mbo_fid1 = op_data->op_fid1; + b->mbo_fid2 = op_data->op_fid2; + b->mbo_valid |= OBD_MD_FLID; - LOGL0(op_data->op_name, op_data->op_namelen, tmp); - } + if (op_data->op_name) + mdc_pack_name(req, &RMF_NAME, op_data->op_name, + op_data->op_namelen); } static void mdc_hsm_release_pack(struct ptlrpc_request *req, @@ -482,67 +485,3 @@ void mdc_close_pack(struct ptlrpc_request *req, struct md_op_data *op_data) mdc_ioepoch_pack(epoch, op_data); mdc_hsm_release_pack(req, op_data); } - -static int mdc_req_avail(struct client_obd *cli, struct mdc_cache_waiter *mcw) -{ - int rc; - - spin_lock(&cli->cl_loi_list_lock); - rc = list_empty(&mcw->mcw_entry); - spin_unlock(&cli->cl_loi_list_lock); - return rc; -}; - -/* We record requests in flight in cli->cl_r_in_flight here. - * There is only one write rpc possible in mdc anyway. If this to change - * in the future - the code may need to be revisited. - */ -int mdc_enter_request(struct client_obd *cli) -{ - int rc = 0; - struct mdc_cache_waiter mcw; - struct l_wait_info lwi = LWI_INTR(LWI_ON_SIGNAL_NOOP, NULL); - - spin_lock(&cli->cl_loi_list_lock); - if (cli->cl_r_in_flight >= cli->cl_max_rpcs_in_flight) { - list_add_tail(&mcw.mcw_entry, &cli->cl_cache_waiters); - init_waitqueue_head(&mcw.mcw_waitq); - spin_unlock(&cli->cl_loi_list_lock); - rc = l_wait_event(mcw.mcw_waitq, mdc_req_avail(cli, &mcw), - &lwi); - if (rc) { - spin_lock(&cli->cl_loi_list_lock); - if (list_empty(&mcw.mcw_entry)) - cli->cl_r_in_flight--; - list_del_init(&mcw.mcw_entry); - spin_unlock(&cli->cl_loi_list_lock); - } - } else { - cli->cl_r_in_flight++; - spin_unlock(&cli->cl_loi_list_lock); - } - return rc; -} - -void mdc_exit_request(struct client_obd *cli) -{ - struct list_head *l, *tmp; - struct mdc_cache_waiter *mcw; - - spin_lock(&cli->cl_loi_list_lock); - cli->cl_r_in_flight--; - list_for_each_safe(l, tmp, &cli->cl_cache_waiters) { - if (cli->cl_r_in_flight >= cli->cl_max_rpcs_in_flight) { - /* No free request slots anymore */ - break; - } - - mcw = list_entry(l, struct mdc_cache_waiter, mcw_entry); - list_del_init(&mcw->mcw_entry); - cli->cl_r_in_flight++; - wake_up(&mcw->mcw_waitq); - } - /* Empty waiting list? Decrease reqs in-flight number */ - - spin_unlock(&cli->cl_loi_list_lock); -} diff --git a/drivers/staging/lustre/lustre/mdc/mdc_locks.c b/drivers/staging/lustre/lustre/mdc/mdc_locks.c index f48b58423307..54de46bee885 100644 --- a/drivers/staging/lustre/lustre/mdc/mdc_locks.c +++ b/drivers/staging/lustre/lustre/mdc/mdc_locks.c @@ -93,8 +93,8 @@ int it_open_error(int phase, struct lookup_intent *it) EXPORT_SYMBOL(it_open_error); /* this must be called on a lockh that is known to have a referenced lock */ -int mdc_set_lock_data(struct obd_export *exp, __u64 *lockh, void *data, - __u64 *bits) +int mdc_set_lock_data(struct obd_export *exp, const struct lustre_handle *lockh, + void *data, __u64 *bits) { struct ldlm_lock *lock; struct inode *new_inode = data; @@ -102,10 +102,10 @@ int mdc_set_lock_data(struct obd_export *exp, __u64 *lockh, void *data, if (bits) *bits = 0; - if (!*lockh) + if (!lustre_handle_is_used(lockh)) return 0; - lock = ldlm_handle2lock((struct lustre_handle *)lockh); + lock = ldlm_handle2lock(lockh); LASSERT(lock); lock_res_and_lock(lock); @@ -174,7 +174,7 @@ int mdc_null_inode(struct obd_export *exp, fid_build_reg_res_name(fid, &res_id); res = ldlm_resource_get(ns, NULL, &res_id, 0, 0); - if (!res) + if (IS_ERR(res)) return 0; lock_res(res); @@ -185,28 +185,6 @@ int mdc_null_inode(struct obd_export *exp, return 0; } -/* find any ldlm lock of the inode in mdc - * return 0 not find - * 1 find one - * < 0 error - */ -int mdc_find_cbdata(struct obd_export *exp, - const struct lu_fid *fid, - ldlm_iterator_t it, void *data) -{ - struct ldlm_res_id res_id; - int rc = 0; - - fid_build_reg_res_name((struct lu_fid *)fid, &res_id); - rc = ldlm_resource_iterate(class_exp2obd(exp)->obd_namespace, &res_id, - it, data); - if (rc == LDLM_ITER_STOP) - return 1; - else if (rc == LDLM_ITER_CONTINUE) - return 0; - return rc; -} - static inline void mdc_clear_replay_flag(struct ptlrpc_request *req, int rc) { /* Don't hold error requests for replay. */ @@ -240,24 +218,24 @@ static void mdc_realloc_openmsg(struct ptlrpc_request *req, /* FIXME: remove this explicit offset. */ rc = sptlrpc_cli_enlarge_reqbuf(req, DLM_INTENT_REC_OFF + 4, - body->eadatasize); + body->mbo_eadatasize); if (rc) { CERROR("Can't enlarge segment %d size to %d\n", - DLM_INTENT_REC_OFF + 4, body->eadatasize); - body->valid &= ~OBD_MD_FLEASIZE; - body->eadatasize = 0; + DLM_INTENT_REC_OFF + 4, body->mbo_eadatasize); + body->mbo_valid &= ~OBD_MD_FLEASIZE; + body->mbo_eadatasize = 0; } } -static struct ptlrpc_request *mdc_intent_open_pack(struct obd_export *exp, - struct lookup_intent *it, - struct md_op_data *op_data, - void *lmm, int lmmsize, - void *cb_data) +static struct ptlrpc_request * +mdc_intent_open_pack(struct obd_export *exp, struct lookup_intent *it, + struct md_op_data *op_data) { struct ptlrpc_request *req; struct obd_device *obddev = class_exp2obd(exp); struct ldlm_intent *lit; + const void *lmm = op_data->op_data; + int lmmsize = op_data->op_data_size; LIST_HEAD(cancels); int count = 0; int mode; @@ -274,7 +252,7 @@ static struct ptlrpc_request *mdc_intent_open_pack(struct obd_export *exp, else mode = LCK_PR; } else { - if (it->it_flags & (FMODE_WRITE|MDS_OPEN_TRUNC)) + if (it->it_flags & (FMODE_WRITE | MDS_OPEN_TRUNC)) mode = LCK_CW; else if (it->it_flags & __FMODE_EXEC) mode = LCK_PR; @@ -325,6 +303,9 @@ static struct ptlrpc_request *mdc_intent_open_pack(struct obd_export *exp, mdc_open_pack(req, op_data, it->it_create_mode, 0, it->it_flags, lmm, lmmsize); + req_capsule_set_size(&req->rq_pill, &RMF_MDT_MD, RCL_SERVER, + obddev->u.cli.cl_max_mds_easize); + ptlrpc_request_set_replen(req); return req; } @@ -605,7 +586,7 @@ static int mdc_finish_enqueue(struct obd_export *exp, mdc_set_open_replay_data(NULL, NULL, it); } - if ((body->valid & (OBD_MD_FLDIREA | OBD_MD_FLEASIZE)) != 0) { + if ((body->mbo_valid & (OBD_MD_FLDIREA | OBD_MD_FLEASIZE)) != 0) { void *eadata; mdc_update_max_ea_from_body(exp, body); @@ -615,7 +596,7 @@ static int mdc_finish_enqueue(struct obd_export *exp, * Eventually, obd_unpackmd() will check the contents. */ eadata = req_capsule_server_sized_get(pill, &RMF_MDT_MD, - body->eadatasize); + body->mbo_eadatasize); if (!eadata) return -EPROTO; @@ -623,7 +604,7 @@ static int mdc_finish_enqueue(struct obd_export *exp, * lock */ lvb_data = eadata; - lvb_len = body->eadatasize; + lvb_len = body->mbo_eadatasize; /* * We save the reply LOV EA in case we have to replay a @@ -639,20 +620,20 @@ static int mdc_finish_enqueue(struct obd_export *exp, if (req_capsule_get_size(pill, &RMF_EADATA, RCL_CLIENT) < - body->eadatasize) + body->mbo_eadatasize) mdc_realloc_openmsg(req, body); else req_capsule_shrink(pill, &RMF_EADATA, - body->eadatasize, + body->mbo_eadatasize, RCL_CLIENT); req_capsule_set_size(pill, &RMF_EADATA, RCL_CLIENT, - body->eadatasize); + body->mbo_eadatasize); lmm = req_capsule_client_get(pill, &RMF_EADATA); if (lmm) - memcpy(lmm, eadata, body->eadatasize); + memcpy(lmm, eadata, body->mbo_eadatasize); } } } else if (it->it_op & IT_LAYOUT) { @@ -662,7 +643,8 @@ static int mdc_finish_enqueue(struct obd_export *exp, lvb_len = req_capsule_get_size(pill, &RMF_DLM_LVB, RCL_SERVER); if (lvb_len > 0) { lvb_data = req_capsule_server_sized_get(pill, - &RMF_DLM_LVB, lvb_len); + &RMF_DLM_LVB, + lvb_len); if (!lvb_data) return -EPROTO; } @@ -705,9 +687,9 @@ static int mdc_finish_enqueue(struct obd_export *exp, * we don't know in advance the file type. */ int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo, + const ldlm_policy_data_t *policy, struct lookup_intent *it, struct md_op_data *op_data, - struct lustre_handle *lockh, void *lmm, int lmmsize, - struct ptlrpc_request **reqp, u64 extra_lock_flags) + struct lustre_handle *lockh, u64 extra_lock_flags) { static const ldlm_policy_data_t lookup_policy = { .l_inodebits = { MDS_INODELOCK_LOOKUP } @@ -721,9 +703,8 @@ int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo, static const ldlm_policy_data_t getxattr_policy = { .l_inodebits = { MDS_INODELOCK_XATTR } }; - ldlm_policy_data_t const *policy = &lookup_policy; struct obd_device *obddev = class_exp2obd(exp); - struct ptlrpc_request *req; + struct ptlrpc_request *req = NULL; u64 flags, saved_flags = extra_lock_flags; struct ldlm_res_id res_id; int generation, resends = 0; @@ -733,40 +714,32 @@ int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo, LASSERTF(!it || einfo->ei_type == LDLM_IBITS, "lock type %d\n", einfo->ei_type); - fid_build_reg_res_name(&op_data->op_fid1, &res_id); if (it) { + LASSERT(!policy); + saved_flags |= LDLM_FL_HAS_INTENT; - if (it->it_op & (IT_UNLINK | IT_GETATTR | IT_READDIR)) + if (it->it_op & (IT_OPEN | IT_UNLINK | IT_GETATTR | IT_READDIR)) policy = &update_policy; else if (it->it_op & IT_LAYOUT) policy = &layout_policy; else if (it->it_op & (IT_GETXATTR | IT_SETXATTR)) policy = &getxattr_policy; + else + policy = &lookup_policy; } - LASSERT(!reqp); - generation = obddev->u.cli.cl_import->imp_generation; resend: flags = saved_flags; if (!it) { - /* The only way right now is FLOCK, in this case we hide flock - * policy as lmm, but lmmsize is 0 - */ - LASSERT(lmm && lmmsize == 0); + /* The only way right now is FLOCK. */ LASSERTF(einfo->ei_type == LDLM_FLOCK, "lock type %d\n", einfo->ei_type); - policy = lmm; res_id.name[3] = LDLM_FLOCK; - req = NULL; } else if (it->it_op & IT_OPEN) { - req = mdc_intent_open_pack(exp, it, op_data, lmm, lmmsize, - einfo->ei_cbdata); - policy = &update_policy; - einfo->ei_cbdata = NULL; - lmm = NULL; + req = mdc_intent_open_pack(exp, it, op_data); } else if (it->it_op & IT_UNLINK) { req = mdc_intent_unlink_pack(exp, it, op_data); } else if (it->it_op & (IT_GETATTR | IT_LOOKUP)) { @@ -806,7 +779,7 @@ resend: */ if (it) { mdc_get_rpc_lock(obddev->u.cli.cl_rpc_lock, it); - rc = mdc_enter_request(&obddev->u.cli); + rc = obd_get_request_slot(&obddev->u.cli); if (rc != 0) { mdc_put_rpc_lock(obddev->u.cli.cl_rpc_lock, it); mdc_clear_replay_flag(req, 0); @@ -834,13 +807,12 @@ resend: return rc; } - mdc_exit_request(&obddev->u.cli); + obd_put_request_slot(&obddev->u.cli); mdc_put_rpc_lock(obddev->u.cli.cl_rpc_lock, it); if (rc < 0) { - CDEBUG_LIMIT((rc == -EACCES || rc == -EIDRM) ? D_INFO : D_ERROR, - "%s: ldlm_cli_enqueue failed: rc = %d\n", - obddev->obd_name, rc); + CDEBUG(D_INFO, "%s: ldlm_cli_enqueue failed: rc = %d\n", + obddev->obd_name, rc); mdc_clear_replay_flag(req, rc); ptlrpc_req_finished(req); @@ -903,6 +875,9 @@ static int mdc_finish_intent_lock(struct obd_export *exp, LASSERT(request != LP_POISON); LASSERT(request->rq_repmsg != LP_POISON); + if (it->it_op & IT_READDIR) + return 0; + if (!it_disposition(it, DISP_IT_EXECD)) { /* The server failed before it even started executing the * intent, i.e. because it couldn't unpack the request. @@ -917,27 +892,6 @@ static int mdc_finish_intent_lock(struct obd_export *exp, mdt_body = req_capsule_server_get(&request->rq_pill, &RMF_MDT_BODY); LASSERT(mdt_body); /* mdc_enqueue checked */ - /* If we were revalidating a fid/name pair, mark the intent in - * case we fail and get called again from lookup - */ - if (fid_is_sane(&op_data->op_fid2) && - it->it_create_mode & M_CHECK_STALE && - it->it_op != IT_GETATTR) { - /* Also: did we find the same inode? */ - /* sever can return one of two fids: - * op_fid2 - new allocated fid - if file is created. - * op_fid3 - existent fid - if file only open. - * op_fid3 is saved in lmv_intent_open - */ - if ((!lu_fid_eq(&op_data->op_fid2, &mdt_body->fid1)) && - (!lu_fid_eq(&op_data->op_fid3, &mdt_body->fid1))) { - CDEBUG(D_DENTRY, "Found stale data "DFID"("DFID")/"DFID - "\n", PFID(&op_data->op_fid2), - PFID(&op_data->op_fid2), PFID(&mdt_body->fid1)); - return -ESTALE; - } - } - rc = it_open_error(DISP_LOOKUP_EXECD, it); if (rc) return rc; @@ -980,10 +934,10 @@ static int mdc_finish_intent_lock(struct obd_export *exp, LDLM_DEBUG(lock, "matching against this"); - LASSERTF(fid_res_name_eq(&mdt_body->fid1, + LASSERTF(fid_res_name_eq(&mdt_body->mbo_fid1, &lock->l_resource->lr_name), "Lock res_id: "DLDLMRES", fid: "DFID"\n", - PLDLMRES(lock->l_resource), PFID(&mdt_body->fid1)); + PLDLMRES(lock->l_resource), PFID(&mdt_body->mbo_fid1)); LDLM_LOCK_PUT(lock); memcpy(&old_lock, lockh, sizeof(*lockh)); @@ -1042,6 +996,9 @@ int mdc_revalidate_lock(struct obd_export *exp, struct lookup_intent *it, MDS_INODELOCK_LOOKUP | MDS_INODELOCK_PERM; break; + case IT_READDIR: + policy.l_inodebits.bits = MDS_INODELOCK_UPDATE; + break; case IT_LAYOUT: policy.l_inodebits.bits = MDS_INODELOCK_LAYOUT; break; @@ -1095,10 +1052,8 @@ int mdc_revalidate_lock(struct obd_export *exp, struct lookup_intent *it, * child lookup. */ int mdc_intent_lock(struct obd_export *exp, struct md_op_data *op_data, - void *lmm, int lmmsize, struct lookup_intent *it, - int lookup_flags, struct ptlrpc_request **reqp, - ldlm_blocking_callback cb_blocking, - __u64 extra_lock_flags) + struct lookup_intent *it, struct ptlrpc_request **reqp, + ldlm_blocking_callback cb_blocking, __u64 extra_lock_flags) { struct ldlm_enqueue_info einfo = { .ei_type = LDLM_IBITS, @@ -1119,7 +1074,7 @@ int mdc_intent_lock(struct obd_export *exp, struct md_op_data *op_data, lockh.cookie = 0; if (fid_is_sane(&op_data->op_fid2) && - (it->it_op & (IT_LOOKUP | IT_GETATTR))) { + (it->it_op & (IT_LOOKUP | IT_GETATTR | IT_READDIR))) { /* We could just return 1 immediately, but since we should only * be called in revalidate_it if we already have a lock, let's * verify that. @@ -1135,13 +1090,13 @@ int mdc_intent_lock(struct obd_export *exp, struct md_op_data *op_data, /* For case if upper layer did not alloc fid, do it now. */ if (!fid_is_sane(&op_data->op_fid2) && it->it_op & IT_CREAT) { - rc = mdc_fid_alloc(exp, &op_data->op_fid2, op_data); + rc = mdc_fid_alloc(NULL, exp, &op_data->op_fid2, op_data); if (rc < 0) { CERROR("Can't alloc new fid, rc %d\n", rc); return rc; } } - rc = mdc_enqueue(exp, &einfo, it, op_data, &lockh, lmm, lmmsize, NULL, + rc = mdc_enqueue(exp, &einfo, NULL, it, op_data, &lockh, extra_lock_flags); if (rc < 0) return rc; @@ -1170,7 +1125,7 @@ static int mdc_intent_getattr_async_interpret(const struct lu_env *env, obddev = class_exp2obd(exp); - mdc_exit_request(&obddev->u.cli); + obd_put_request_slot(&obddev->u.cli); if (OBD_FAIL_CHECK(OBD_FAIL_MDC_GETATTR_ENQUEUE)) rc = -ETIMEDOUT; @@ -1230,7 +1185,7 @@ int mdc_intent_getattr_async(struct obd_export *exp, if (IS_ERR(req)) return PTR_ERR(req); - rc = mdc_enter_request(&obddev->u.cli); + rc = obd_get_request_slot(&obddev->u.cli); if (rc != 0) { ptlrpc_req_finished(req); return rc; @@ -1239,7 +1194,7 @@ int mdc_intent_getattr_async(struct obd_export *exp, rc = ldlm_cli_enqueue(exp, &req, einfo, &res_id, &policy, &flags, NULL, 0, LVB_T_NONE, &minfo->mi_lockh, 1); if (rc < 0) { - mdc_exit_request(&obddev->u.cli); + obd_put_request_slot(&obddev->u.cli); ptlrpc_req_finished(req); return rc; } diff --git a/drivers/staging/lustre/lustre/mdc/mdc_reint.c b/drivers/staging/lustre/lustre/mdc/mdc_reint.c index 5dba2c813857..c018e3baf30f 100644 --- a/drivers/staging/lustre/lustre/mdc/mdc_reint.c +++ b/drivers/staging/lustre/lustre/mdc/mdc_reint.c @@ -86,7 +86,7 @@ int mdc_resource_get_unused(struct obd_export *exp, const struct lu_fid *fid, fid_build_reg_res_name(fid, &res_id); res = ldlm_resource_get(exp->exp_obd->obd_namespace, NULL, &res_id, 0, 0); - if (!res) + if (IS_ERR(res)) return 0; LDLM_RESOURCE_ADDREF(res); /* Initialize ibits lock policy. */ @@ -110,7 +110,7 @@ int mdc_setattr(struct obd_export *exp, struct md_op_data *op_data, __u64 bits; bits = MDS_INODELOCK_UPDATE; - if (op_data->op_attr.ia_valid & (ATTR_MODE|ATTR_UID|ATTR_GID)) + if (op_data->op_attr.ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID)) bits |= MDS_INODELOCK_LOOKUP; if ((op_data->op_flags & MF_MDC_CANCEL_FID1) && (fid_is_sane(&op_data->op_fid1)) && @@ -177,8 +177,8 @@ int mdc_setattr(struct obd_export *exp, struct md_op_data *op_data, epoch = req_capsule_client_get(&req->rq_pill, &RMF_MDT_EPOCH); body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY); - epoch->handle = body->handle; - epoch->ioepoch = body->ioepoch; + epoch->handle = body->mbo_handle; + epoch->ioepoch = body->mbo_ioepoch; req->rq_replay_cb = mdc_replay_open; /** bug 3633, open may be committed and estale answer is not error */ } else if (rc == -ESTALE && (op_data->op_flags & MF_SOM_CHANGE)) { @@ -214,11 +214,9 @@ int mdc_create(struct obd_export *exp, struct md_op_data *op_data, * mdc_fid_alloc() may return errno 1 in case of switch to new * sequence, handle this. */ - rc = mdc_fid_alloc(exp, &op_data->op_fid2, op_data); - if (rc < 0) { - CERROR("Can't alloc new fid, rc %d\n", rc); + rc = mdc_fid_alloc(NULL, exp, &op_data->op_fid2, op_data); + if (rc < 0) return rc; - } } rebuild: @@ -431,7 +429,8 @@ int mdc_rename(struct obd_export *exp, struct md_op_data *op_data, } req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT, oldlen + 1); - req_capsule_set_size(&req->rq_pill, &RMF_SYMTGT, RCL_CLIENT, newlen+1); + req_capsule_set_size(&req->rq_pill, &RMF_SYMTGT, RCL_CLIENT, + newlen + 1); rc = mdc_prep_elc_req(exp, req, MDS_REINT, &cancels, count); if (rc) { diff --git a/drivers/staging/lustre/lustre/mdc/mdc_request.c b/drivers/staging/lustre/lustre/mdc/mdc_request.c index 542801f04b0d..5bf95f964438 100644 --- a/drivers/staging/lustre/lustre/mdc/mdc_request.c +++ b/drivers/staging/lustre/lustre/mdc/mdc_request.c @@ -39,7 +39,9 @@ # include <linux/utsname.h> #include "../include/lustre_acl.h" +#include "../include/lustre/lustre_ioctl.h" #include "../include/obd_class.h" +#include "../include/lustre_lmv.h" #include "../include/lustre_fid.h" #include "../include/lprocfs_status.h" #include "../include/lustre_param.h" @@ -57,16 +59,16 @@ static inline int mdc_queue_wait(struct ptlrpc_request *req) struct client_obd *cli = &req->rq_import->imp_obd->u.cli; int rc; - /* mdc_enter_request() ensures that this client has no more + /* obd_get_request_slot() ensures that this client has no more * than cl_max_rpcs_in_flight RPCs simultaneously inf light * against an MDT. */ - rc = mdc_enter_request(cli); + rc = obd_get_request_slot(cli); if (rc != 0) return rc; rc = ptlrpc_queue_wait(req); - mdc_exit_request(cli); + obd_put_request_slot(cli); return rc; } @@ -98,7 +100,7 @@ static int mdc_getstatus(struct obd_export *exp, struct lu_fid *rootfid) goto out; } - *rootfid = body->fid1; + *rootfid = body->mbo_fid1; CDEBUG(D_NET, "root fid="DFID", last_committed=%llu\n", PFID(rootfid), @@ -136,12 +138,12 @@ static int mdc_getattr_common(struct obd_export *exp, if (!body) return -EPROTO; - CDEBUG(D_NET, "mode: %o\n", body->mode); + CDEBUG(D_NET, "mode: %o\n", body->mbo_mode); mdc_update_max_ea_from_body(exp, body); - if (body->eadatasize != 0) { + if (body->mbo_eadatasize != 0) { eadata = req_capsule_server_sized_get(pill, &RMF_MDT_MD, - body->eadatasize); + body->mbo_eadatasize); if (!eadata) return -EPROTO; } @@ -230,32 +232,6 @@ static int mdc_getattr_name(struct obd_export *exp, struct md_op_data *op_data, return rc; } -static int mdc_is_subdir(struct obd_export *exp, - const struct lu_fid *pfid, - const struct lu_fid *cfid, - struct ptlrpc_request **request) -{ - struct ptlrpc_request *req; - int rc; - - *request = NULL; - req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp), - &RQF_MDS_IS_SUBDIR, LUSTRE_MDS_VERSION, - MDS_IS_SUBDIR); - if (!req) - return -ENOMEM; - - mdc_is_subdir_pack(req, pfid, cfid, 0); - ptlrpc_request_set_replen(req); - - rc = ptlrpc_queue_wait(req); - if (rc && rc != -EREMOTE) - ptlrpc_req_finished(req); - else - *request = req; - return rc; -} - static int mdc_xattr_common(struct obd_export *exp, const struct req_format *fmt, const struct lu_fid *fid, @@ -397,15 +373,15 @@ static int mdc_unpack_acl(struct ptlrpc_request *req, struct lustre_md *md) void *buf; int rc; - if (!body->aclsize) + if (!body->mbo_aclsize) return 0; - buf = req_capsule_server_sized_get(pill, &RMF_ACL, body->aclsize); + buf = req_capsule_server_sized_get(pill, &RMF_ACL, body->mbo_aclsize); if (!buf) return -EPROTO; - acl = posix_acl_from_xattr(&init_user_ns, buf, body->aclsize); + acl = posix_acl_from_xattr(&init_user_ns, buf, body->mbo_aclsize); if (!acl) return 0; @@ -443,24 +419,24 @@ static int mdc_get_lustre_md(struct obd_export *exp, md->body = req_capsule_server_get(pill, &RMF_MDT_BODY); - if (md->body->valid & OBD_MD_FLEASIZE) { + if (md->body->mbo_valid & OBD_MD_FLEASIZE) { int lmmsize; struct lov_mds_md *lmm; - if (!S_ISREG(md->body->mode)) { + if (!S_ISREG(md->body->mbo_mode)) { CDEBUG(D_INFO, "OBD_MD_FLEASIZE set, should be a regular file, but is not\n"); rc = -EPROTO; goto out; } - if (md->body->eadatasize == 0) { + if (md->body->mbo_eadatasize == 0) { CDEBUG(D_INFO, "OBD_MD_FLEASIZE set, but eadatasize 0\n"); rc = -EPROTO; goto out; } - lmmsize = md->body->eadatasize; + lmmsize = md->body->mbo_eadatasize; lmm = req_capsule_server_sized_get(pill, &RMF_MDT_MD, lmmsize); if (!lmm) { rc = -EPROTO; @@ -479,24 +455,24 @@ static int mdc_get_lustre_md(struct obd_export *exp, goto out; } - } else if (md->body->valid & OBD_MD_FLDIREA) { + } else if (md->body->mbo_valid & OBD_MD_FLDIREA) { int lmvsize; struct lov_mds_md *lmv; - if (!S_ISDIR(md->body->mode)) { + if (!S_ISDIR(md->body->mbo_mode)) { CDEBUG(D_INFO, "OBD_MD_FLDIREA set, should be a directory, but is not\n"); rc = -EPROTO; goto out; } - if (md->body->eadatasize == 0) { + if (md->body->mbo_eadatasize == 0) { CDEBUG(D_INFO, "OBD_MD_FLDIREA is set, but eadatasize 0\n"); return -EPROTO; } - if (md->body->valid & OBD_MD_MEA) { - lmvsize = md->body->eadatasize; + if (md->body->mbo_valid & OBD_MD_MEA) { + lmvsize = md->body->mbo_eadatasize; lmv = req_capsule_server_sized_get(pill, &RMF_MDT_MD, lmvsize); if (!lmv) { @@ -504,15 +480,15 @@ static int mdc_get_lustre_md(struct obd_export *exp, goto out; } - rc = obd_unpackmd(md_exp, (void *)&md->mea, lmv, + rc = obd_unpackmd(md_exp, (void *)&md->lmv, lmv, lmvsize); if (rc < 0) goto out; - if (rc < sizeof(*md->mea)) { + if (rc < sizeof(*md->lmv)) { CDEBUG(D_INFO, - "size too small: rc < sizeof(*md->mea) (%d < %d)\n", - rc, (int)sizeof(*md->mea)); + "size too small: rc < sizeof(*md->lmv) (%d < %d)\n", + rc, (int)sizeof(*md->lmv)); rc = -EPROTO; goto out; } @@ -520,12 +496,12 @@ static int mdc_get_lustre_md(struct obd_export *exp, } rc = 0; - if (md->body->valid & OBD_MD_FLACL) { + if (md->body->mbo_valid & OBD_MD_FLACL) { /* for ACL, it's possible that FLACL is set but aclsize is zero. * only when aclsize != 0 there's an actual segment for ACL * in reply buffer. */ - if (md->body->aclsize) { + if (md->body->mbo_aclsize) { rc = mdc_unpack_acl(req, md); if (rc) goto out; @@ -580,9 +556,9 @@ void mdc_replay_open(struct ptlrpc_request *req) file_fh = &och->och_fh; CDEBUG(D_HA, "updating handle from %#llx to %#llx\n", - file_fh->cookie, body->handle.cookie); + file_fh->cookie, body->mbo_handle.cookie); old = *file_fh; - *file_fh = body->handle; + *file_fh = body->mbo_handle; } close_req = mod->mod_close_req; if (close_req) { @@ -597,7 +573,7 @@ void mdc_replay_open(struct ptlrpc_request *req) if (och) LASSERT(!memcmp(&old, &epoch->handle, sizeof(old))); DEBUG_REQ(D_HA, close_req, "updating close body with new fh"); - epoch->handle = body->handle; + epoch->handle = body->mbo_handle; } } @@ -679,11 +655,11 @@ int mdc_set_open_replay_data(struct obd_export *exp, spin_unlock(&open_req->rq_lock); } - rec->cr_fid2 = body->fid1; - rec->cr_ioepoch = body->ioepoch; - rec->cr_old_handle.cookie = body->handle.cookie; + rec->cr_fid2 = body->mbo_fid1; + rec->cr_ioepoch = body->mbo_ioepoch; + rec->cr_old_handle.cookie = body->mbo_handle.cookie; open_req->rq_replay_cb = mdc_replay_open; - if (!fid_is_sane(&body->fid1)) { + if (!fid_is_sane(&body->mbo_fid1)) { DEBUG_REQ(D_ERROR, open_req, "Saving replay request with insane fid"); LBUG(); @@ -701,9 +677,15 @@ static void mdc_free_open(struct md_open_data *mod) imp_connect_disp_stripe(mod->mod_open_req->rq_import)) committed = 1; - LASSERT(mod->mod_open_req->rq_replay == 0); - - DEBUG_REQ(D_RPCTRACE, mod->mod_open_req, "free open request\n"); + /* + * No reason to asssert here if the open request has + * rq_replay == 1. It means that mdc_close failed, and + * close request wasn`t sent. It is not fatal to client. + * The worst thing is eviction if the client gets open lock + */ + DEBUG_REQ(D_RPCTRACE, mod->mod_open_req, + "free open request rq_replay = %d\n", + mod->mod_open_req->rq_replay); ptlrpc_request_committed(mod->mod_open_req, committed); if (mod->mod_close_req) @@ -744,7 +726,7 @@ static void mdc_close_handle_reply(struct ptlrpc_request *req, epoch = req_capsule_client_get(&req->rq_pill, &RMF_MDT_EPOCH); epoch->flags |= MF_SOM_AU; - if (repbody->valid & OBD_MD_FLGETATTRLOCK) + if (repbody->mbo_valid & OBD_MD_FLGETATTRLOCK) op_data->op_flags |= MF_GETATTR_LOCK; } } @@ -763,7 +745,7 @@ static int mdc_close(struct obd_export *exp, struct md_op_data *op_data, req_fmt = &RQF_MDS_RELEASE_CLOSE; /* allocate a FID for volatile file */ - rc = mdc_fid_alloc(exp, &op_data->op_fid2, op_data); + rc = mdc_fid_alloc(NULL, exp, &op_data->op_fid2, op_data); if (rc < 0) { CERROR("%s: "DFID" failed to allocate FID: %d\n", obd->obd_name, PFID(&op_data->op_fid1), rc); @@ -773,22 +755,10 @@ static int mdc_close(struct obd_export *exp, struct md_op_data *op_data, } *request = NULL; - req = ptlrpc_request_alloc(class_exp2cliimp(exp), req_fmt); - if (!req) - return -ENOMEM; - - rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_CLOSE); - if (rc) { - ptlrpc_request_free(req); - return rc; - } - - /* To avoid a livelock (bug 7034), we need to send CLOSE RPCs to a - * portal whose threads are not taking any DLM locks and are therefore - * always progressing - */ - req->rq_request_portal = MDS_READPAGE_PORTAL; - ptlrpc_at_set_req_timeout(req); + if (OBD_FAIL_CHECK(OBD_FAIL_MDC_CLOSE)) + req = NULL; + else + req = ptlrpc_request_alloc(class_exp2cliimp(exp), req_fmt); /* Ensure that this close's handle is fixed up during replay. */ if (likely(mod)) { @@ -809,6 +779,29 @@ static int mdc_close(struct obd_export *exp, struct md_op_data *op_data, CDEBUG(D_HA, "couldn't find open req; expecting close error\n"); } + if (!req) { + /* + * TODO: repeat close after errors + */ + CWARN("%s: close of FID "DFID" failed, file reference will be dropped when this client unmounts or is evicted\n", + obd->obd_name, PFID(&op_data->op_fid1)); + rc = -ENOMEM; + goto out; + } + + rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_CLOSE); + if (rc) { + ptlrpc_request_free(req); + goto out; + } + + /* + * To avoid a livelock (bug 7034), we need to send CLOSE RPCs to a + * portal whose threads are not taking any DLM locks and are therefore + * always progressing + */ + req->rq_request_portal = MDS_READPAGE_PORTAL; + ptlrpc_at_set_req_timeout(req); mdc_close_pack(req, op_data); @@ -854,6 +847,7 @@ static int mdc_close(struct obd_export *exp, struct md_op_data *op_data, } } +out: if (mod) { if (rc != 0) mod->mod_close_req = NULL; @@ -936,16 +930,17 @@ static int mdc_done_writing(struct obd_export *exp, struct md_op_data *op_data, return rc; } -static int mdc_readpage(struct obd_export *exp, struct md_op_data *op_data, - struct page **pages, struct ptlrpc_request **request) +static int mdc_getpage(struct obd_export *exp, const struct lu_fid *fid, + u64 offset, struct page **pages, int npages, + struct ptlrpc_request **request) { - struct ptlrpc_request *req; struct ptlrpc_bulk_desc *desc; - int i; - wait_queue_head_t waitq; - int resends = 0; - struct l_wait_info lwi; - int rc; + struct ptlrpc_request *req; + wait_queue_head_t waitq; + struct l_wait_info lwi; + int resends = 0; + int rc; + int i; *request = NULL; init_waitqueue_head(&waitq); @@ -964,7 +959,7 @@ restart_bulk: req->rq_request_portal = MDS_READPAGE_PORTAL; ptlrpc_at_set_req_timeout(req); - desc = ptlrpc_prep_bulk_imp(req, op_data->op_npages, 1, BULK_PUT_SINK, + desc = ptlrpc_prep_bulk_imp(req, npages, 1, BULK_PUT_SINK, MDS_BULK_PORTAL); if (!desc) { ptlrpc_request_free(req); @@ -972,12 +967,10 @@ restart_bulk: } /* NB req now owns desc and will free it when it gets freed */ - for (i = 0; i < op_data->op_npages; i++) + for (i = 0; i < npages; i++) ptlrpc_prep_bulk_page_pin(desc, pages[i], 0, PAGE_SIZE); - mdc_readdir_pack(req, op_data->op_offset, - PAGE_SIZE * op_data->op_npages, - &op_data->op_fid1); + mdc_readdir_pack(req, offset, PAGE_SIZE * npages, fid); ptlrpc_request_set_replen(req); rc = ptlrpc_queue_wait(req); @@ -988,11 +981,12 @@ restart_bulk: resends++; if (!client_should_resend(resends, &exp->exp_obd->u.cli)) { - CERROR("too many resend retries, returning error\n"); + CERROR("%s: too many resend retries: rc = %d\n", + exp->exp_obd->obd_name, -EIO); return -EIO; } - lwi = LWI_TIMEOUT_INTR(cfs_time_seconds(resends), - NULL, NULL, NULL); + lwi = LWI_TIMEOUT_INTR(cfs_time_seconds(resends), NULL, NULL, + NULL); l_wait_event(waitq, 0, &lwi); goto restart_bulk; @@ -1006,9 +1000,9 @@ restart_bulk: } if (req->rq_bulk->bd_nob_transferred & ~LU_PAGE_MASK) { - CERROR("Unexpected # bytes transferred: %d (%ld expected)\n", - req->rq_bulk->bd_nob_transferred, - PAGE_SIZE * op_data->op_npages); + CERROR("%s: unexpected bytes transferred: %d (%ld expected)\n", + exp->exp_obd->obd_name, req->rq_bulk->bd_nob_transferred, + PAGE_SIZE * npages); ptlrpc_req_finished(req); return -EPROTO; } @@ -1017,6 +1011,454 @@ restart_bulk: return 0; } +static void mdc_release_page(struct page *page, int remove) +{ + if (remove) { + lock_page(page); + if (likely(page->mapping)) + truncate_complete_page(page->mapping, page); + unlock_page(page); + } + put_page(page); +} + +static struct page *mdc_page_locate(struct address_space *mapping, __u64 *hash, + __u64 *start, __u64 *end, int hash64) +{ + /* + * Complement of hash is used as an index so that + * radix_tree_gang_lookup() can be used to find a page with starting + * hash _smaller_ than one we are looking for. + */ + unsigned long offset = hash_x_index(*hash, hash64); + struct page *page; + int found; + + spin_lock_irq(&mapping->tree_lock); + found = radix_tree_gang_lookup(&mapping->page_tree, + (void **)&page, offset, 1); + if (found > 0 && !radix_tree_exceptional_entry(page)) { + struct lu_dirpage *dp; + + get_page(page); + spin_unlock_irq(&mapping->tree_lock); + /* + * In contrast to find_lock_page() we are sure that directory + * page cannot be truncated (while DLM lock is held) and, + * hence, can avoid restart. + * + * In fact, page cannot be locked here at all, because + * mdc_read_page_remote does synchronous io. + */ + wait_on_page_locked(page); + if (PageUptodate(page)) { + dp = kmap(page); + if (BITS_PER_LONG == 32 && hash64) { + *start = le64_to_cpu(dp->ldp_hash_start) >> 32; + *end = le64_to_cpu(dp->ldp_hash_end) >> 32; + *hash = *hash >> 32; + } else { + *start = le64_to_cpu(dp->ldp_hash_start); + *end = le64_to_cpu(dp->ldp_hash_end); + } + if (unlikely(*start == 1 && *hash == 0)) + *hash = *start; + else + LASSERTF(*start <= *hash, "start = %#llx,end = %#llx,hash = %#llx\n", + *start, *end, *hash); + CDEBUG(D_VFSTRACE, "offset %lx [%#llx %#llx], hash %#llx\n", + offset, *start, *end, *hash); + if (*hash > *end) { + kunmap(page); + mdc_release_page(page, 0); + page = NULL; + } else if (*end != *start && *hash == *end) { + /* + * upon hash collision, remove this page, + * otherwise put page reference, and + * mdc_read_page_remote() will issue RPC to + * fetch the page we want. + */ + kunmap(page); + mdc_release_page(page, + le32_to_cpu(dp->ldp_flags) & LDF_COLLIDE); + page = NULL; + } + } else { + put_page(page); + page = ERR_PTR(-EIO); + } + } else { + spin_unlock_irq(&mapping->tree_lock); + page = NULL; + } + return page; +} + +/* + * Adjust a set of pages, each page containing an array of lu_dirpages, + * so that each page can be used as a single logical lu_dirpage. + * + * A lu_dirpage is laid out as follows, where s = ldp_hash_start, + * e = ldp_hash_end, f = ldp_flags, p = padding, and each "ent" is a + * struct lu_dirent. It has size up to LU_PAGE_SIZE. The ldp_hash_end + * value is used as a cookie to request the next lu_dirpage in a + * directory listing that spans multiple pages (two in this example): + * ________ + * | | + * .|--------v------- -----. + * |s|e|f|p|ent|ent| ... |ent| + * '--|-------------- -----' Each PAGE contains a single + * '------. lu_dirpage. + * .---------v------- -----. + * |s|e|f|p|ent| 0 | ... | 0 | + * '----------------- -----' + * + * However, on hosts where the native VM page size (PAGE_SIZE) is + * larger than LU_PAGE_SIZE, a single host page may contain multiple + * lu_dirpages. After reading the lu_dirpages from the MDS, the + * ldp_hash_end of the first lu_dirpage refers to the one immediately + * after it in the same PAGE (arrows simplified for brevity, but + * in general e0==s1, e1==s2, etc.): + * + * .-------------------- -----. + * |s0|e0|f0|p|ent|ent| ... |ent| + * |---v---------------- -----| + * |s1|e1|f1|p|ent|ent| ... |ent| + * |---v---------------- -----| Here, each PAGE contains + * ... multiple lu_dirpages. + * |---v---------------- -----| + * |s'|e'|f'|p|ent|ent| ... |ent| + * '---|---------------- -----' + * v + * .----------------------------. + * | next PAGE | + * + * This structure is transformed into a single logical lu_dirpage as follows: + * + * - Replace e0 with e' so the request for the next lu_dirpage gets the page + * labeled 'next PAGE'. + * + * - Copy the LDF_COLLIDE flag from f' to f0 to correctly reflect whether + * a hash collision with the next page exists. + * + * - Adjust the lde_reclen of the ending entry of each lu_dirpage to span + * to the first entry of the next lu_dirpage. + */ +#if PAGE_SIZE > LU_PAGE_SIZE +static void mdc_adjust_dirpages(struct page **pages, int cfs_pgs, int lu_pgs) +{ + int i; + + for (i = 0; i < cfs_pgs; i++) { + struct lu_dirpage *dp = kmap(pages[i]); + __u64 hash_end = le64_to_cpu(dp->ldp_hash_end); + __u32 flags = le32_to_cpu(dp->ldp_flags); + struct lu_dirpage *first = dp; + struct lu_dirent *end_dirent = NULL; + struct lu_dirent *ent; + + while (--lu_pgs > 0) { + ent = lu_dirent_start(dp); + for (end_dirent = ent; ent; + end_dirent = ent, ent = lu_dirent_next(ent)); + + /* Advance dp to next lu_dirpage. */ + dp = (struct lu_dirpage *)((char *)dp + LU_PAGE_SIZE); + + /* Check if we've reached the end of the CFS_PAGE. */ + if (!((unsigned long)dp & ~PAGE_MASK)) + break; + + /* Save the hash and flags of this lu_dirpage. */ + hash_end = le64_to_cpu(dp->ldp_hash_end); + flags = le32_to_cpu(dp->ldp_flags); + + /* Check if lu_dirpage contains no entries. */ + if (!end_dirent) + break; + + /* + * Enlarge the end entry lde_reclen from 0 to + * first entry of next lu_dirpage. + */ + LASSERT(!le16_to_cpu(end_dirent->lde_reclen)); + end_dirent->lde_reclen = + cpu_to_le16((char *)(dp->ldp_entries) - + (char *)end_dirent); + } + + first->ldp_hash_end = hash_end; + first->ldp_flags &= ~cpu_to_le32(LDF_COLLIDE); + first->ldp_flags |= flags & cpu_to_le32(LDF_COLLIDE); + + kunmap(pages[i]); + } + LASSERTF(lu_pgs == 0, "left = %d", lu_pgs); +} +#else +#define mdc_adjust_dirpages(pages, cfs_pgs, lu_pgs) do {} while (0) +#endif /* PAGE_SIZE > LU_PAGE_SIZE */ + +/* parameters for readdir page */ +struct readpage_param { + struct md_op_data *rp_mod; + __u64 rp_off; + int rp_hash64; + struct obd_export *rp_exp; + struct md_callback *rp_cb; +}; + +/** + * Read pages from server. + * + * Page in MDS_READPAGE RPC is packed in LU_PAGE_SIZE, and each page contains + * a header lu_dirpage which describes the start/end hash, and whether this + * page is empty (contains no dir entry) or hash collide with next page. + * After client receives reply, several pages will be integrated into dir page + * in PAGE_SIZE (if PAGE_SIZE greater than LU_PAGE_SIZE), and the + * lu_dirpage for this integrated page will be adjusted. + **/ +static int mdc_read_page_remote(void *data, struct page *page0) +{ + struct readpage_param *rp = data; + struct page **page_pool; + struct page *page; + struct lu_dirpage *dp; + int rd_pgs = 0; /* number of pages read actually */ + int npages; + struct md_op_data *op_data = rp->rp_mod; + struct ptlrpc_request *req; + int max_pages = op_data->op_max_pages; + struct inode *inode; + struct lu_fid *fid; + int i; + int rc; + + LASSERT(max_pages > 0 && max_pages <= PTLRPC_MAX_BRW_PAGES); + inode = op_data->op_data; + fid = &op_data->op_fid1; + LASSERT(inode); + + page_pool = kcalloc(max_pages, sizeof(page), GFP_NOFS); + if (page_pool) { + page_pool[0] = page0; + } else { + page_pool = &page0; + max_pages = 1; + } + + for (npages = 1; npages < max_pages; npages++) { + page = page_cache_alloc_cold(inode->i_mapping); + if (!page) + break; + page_pool[npages] = page; + } + + rc = mdc_getpage(rp->rp_exp, fid, rp->rp_off, page_pool, npages, &req); + if (!rc) { + int lu_pgs = req->rq_bulk->bd_nob_transferred; + + rd_pgs = (req->rq_bulk->bd_nob_transferred + + PAGE_SIZE - 1) >> PAGE_SHIFT; + lu_pgs >>= LU_PAGE_SHIFT; + LASSERT(!(req->rq_bulk->bd_nob_transferred & ~LU_PAGE_MASK)); + + CDEBUG(D_INODE, "read %d(%d)/%d pages\n", rd_pgs, lu_pgs, + op_data->op_npages); + + mdc_adjust_dirpages(page_pool, rd_pgs, lu_pgs); + + SetPageUptodate(page0); + } + + unlock_page(page0); + ptlrpc_req_finished(req); + CDEBUG(D_CACHE, "read %d/%d pages\n", rd_pgs, npages); + for (i = 1; i < npages; i++) { + unsigned long offset; + __u64 hash; + int ret; + + page = page_pool[i]; + + if (rc < 0 || i >= rd_pgs) { + put_page(page); + continue; + } + + SetPageUptodate(page); + + dp = kmap(page); + hash = le64_to_cpu(dp->ldp_hash_start); + kunmap(page); + + offset = hash_x_index(hash, rp->rp_hash64); + + prefetchw(&page->flags); + ret = add_to_page_cache_lru(page, inode->i_mapping, offset, + GFP_KERNEL); + if (!ret) + unlock_page(page); + else + CDEBUG(D_VFSTRACE, "page %lu add to page cache failed: rc = %d\n", + offset, ret); + put_page(page); + } + + if (page_pool != &page0) + kfree(page_pool); + + return rc; +} + +/** + * Read dir page from cache first, if it can not find it, read it from + * server and add into the cache. + * + * \param[in] exp MDC export + * \param[in] op_data client MD stack parameters, transferring parameters + * between different layers on client MD stack. + * \param[in] cb_op callback required for ldlm lock enqueue during + * read page + * \param[in] hash_offset the hash offset of the page to be read + * \param[in] ppage the page to be read + * + * retval = 0 get the page successfully + * errno(<0) get the page failed + */ +static int mdc_read_page(struct obd_export *exp, struct md_op_data *op_data, + struct md_callback *cb_op, __u64 hash_offset, + struct page **ppage) +{ + struct lookup_intent it = { .it_op = IT_READDIR }; + struct page *page; + struct inode *dir = op_data->op_data; + struct address_space *mapping; + struct lu_dirpage *dp; + __u64 start = 0; + __u64 end = 0; + struct lustre_handle lockh; + struct ptlrpc_request *enq_req = NULL; + struct readpage_param rp_param; + int rc; + + *ppage = NULL; + + LASSERT(dir); + mapping = dir->i_mapping; + + rc = mdc_intent_lock(exp, op_data, &it, &enq_req, + cb_op->md_blocking_ast, 0); + if (enq_req) + ptlrpc_req_finished(enq_req); + + if (rc < 0) { + CERROR("%s: "DFID" lock enqueue fails: rc = %d\n", + exp->exp_obd->obd_name, PFID(&op_data->op_fid1), rc); + return rc; + } + + rc = 0; + lockh.cookie = it.it_lock_handle; + mdc_set_lock_data(exp, &lockh, dir, NULL); + + rp_param.rp_off = hash_offset; + rp_param.rp_hash64 = op_data->op_cli_flags & CLI_HASH64; + page = mdc_page_locate(mapping, &rp_param.rp_off, &start, &end, + rp_param.rp_hash64); + if (IS_ERR(page)) { + CERROR("%s: dir page locate: "DFID" at %llu: rc %ld\n", + exp->exp_obd->obd_name, PFID(&op_data->op_fid1), + rp_param.rp_off, PTR_ERR(page)); + rc = PTR_ERR(page); + goto out_unlock; + } else if (page) { + /* + * XXX nikita: not entirely correct handling of a corner case: + * suppose hash chain of entries with hash value HASH crosses + * border between pages P0 and P1. First both P0 and P1 are + * cached, seekdir() is called for some entry from the P0 part + * of the chain. Later P0 goes out of cache. telldir(HASH) + * happens and finds P1, as it starts with matching hash + * value. Remaining entries from P0 part of the chain are + * skipped. (Is that really a bug?) + * + * Possible solutions: 0. don't cache P1 is such case, handle + * it as an "overflow" page. 1. invalidate all pages at + * once. 2. use HASH|1 as an index for P1. + */ + goto hash_collision; + } + + rp_param.rp_exp = exp; + rp_param.rp_mod = op_data; + page = read_cache_page(mapping, + hash_x_index(rp_param.rp_off, + rp_param.rp_hash64), + mdc_read_page_remote, &rp_param); + if (IS_ERR(page)) { + CERROR("%s: read cache page: "DFID" at %llu: rc %ld\n", + exp->exp_obd->obd_name, PFID(&op_data->op_fid1), + rp_param.rp_off, PTR_ERR(page)); + rc = PTR_ERR(page); + goto out_unlock; + } + + wait_on_page_locked(page); + (void)kmap(page); + if (!PageUptodate(page)) { + CERROR("%s: page not updated: "DFID" at %llu: rc %d\n", + exp->exp_obd->obd_name, PFID(&op_data->op_fid1), + rp_param.rp_off, -5); + goto fail; + } + if (!PageChecked(page)) + SetPageChecked(page); + if (PageError(page)) { + CERROR("%s: page error: "DFID" at %llu: rc %d\n", + exp->exp_obd->obd_name, PFID(&op_data->op_fid1), + rp_param.rp_off, -5); + goto fail; + } + +hash_collision: + dp = page_address(page); + if (BITS_PER_LONG == 32 && rp_param.rp_hash64) { + start = le64_to_cpu(dp->ldp_hash_start) >> 32; + end = le64_to_cpu(dp->ldp_hash_end) >> 32; + rp_param.rp_off = hash_offset >> 32; + } else { + start = le64_to_cpu(dp->ldp_hash_start); + end = le64_to_cpu(dp->ldp_hash_end); + rp_param.rp_off = hash_offset; + } + if (end == start) { + LASSERT(start == rp_param.rp_off); + CWARN("Page-wide hash collision: %#lx\n", (unsigned long)end); +#if BITS_PER_LONG == 32 + CWARN("Real page-wide hash collision at [%llu %llu] with hash %llu\n", + le64_to_cpu(dp->ldp_hash_start), + le64_to_cpu(dp->ldp_hash_end), hash_offset); +#endif + /* + * Fetch whole overflow chain... + * + * XXX not yet. + */ + goto fail; + } + *ppage = page; +out_unlock: + ldlm_lock_decref(&lockh, it.it_lock_mode); + return rc; +fail: + kunmap(page); + mdc_release_page(page, 1); + rc = -EIO; + goto out_unlock; +} + static int mdc_statfs(const struct lu_env *env, struct obd_export *exp, struct obd_statfs *osfs, __u64 max_age, __u32 flags) @@ -1669,9 +2111,11 @@ static int mdc_ioc_swap_layouts(struct obd_export *exp, * with the request RPC to avoid extra RPC round trips */ count = mdc_resource_get_unused(exp, &op_data->op_fid1, &cancels, - LCK_CR, MDS_INODELOCK_LAYOUT); + LCK_CR, MDS_INODELOCK_LAYOUT | + MDS_INODELOCK_XATTR); count += mdc_resource_get_unused(exp, &op_data->op_fid2, &cancels, - LCK_CR, MDS_INODELOCK_LAYOUT); + LCK_CR, MDS_INODELOCK_LAYOUT | + MDS_INODELOCK_XATTR); req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_SWAP_LAYOUTS); @@ -2199,13 +2643,13 @@ static int mdc_import_event(struct obd_device *obd, struct obd_import *imp, return rc; } -int mdc_fid_alloc(struct obd_export *exp, struct lu_fid *fid, - struct md_op_data *op_data) +int mdc_fid_alloc(const struct lu_env *env, struct obd_export *exp, + struct lu_fid *fid, struct md_op_data *op_data) { struct client_obd *cli = &exp->exp_obd->u.cli; struct lu_client_seq *seq = cli->cl_seq; - return seq_client_alloc_fid(NULL, seq, fid); + return seq_client_alloc_fid(env, seq, fid); } static struct obd_uuid *mdc_get_uuid(struct obd_export *exp) @@ -2430,7 +2874,6 @@ static struct obd_ops mdc_obd_ops = { static struct md_ops mdc_md_ops = { .getstatus = mdc_getstatus, .null_inode = mdc_null_inode, - .find_cbdata = mdc_find_cbdata, .close = mdc_close, .create = mdc_create, .done_writing = mdc_done_writing, @@ -2439,13 +2882,12 @@ static struct md_ops mdc_md_ops = { .getattr_name = mdc_getattr_name, .intent_lock = mdc_intent_lock, .link = mdc_link, - .is_subdir = mdc_is_subdir, .rename = mdc_rename, .setattr = mdc_setattr, .setxattr = mdc_setxattr, .getxattr = mdc_getxattr, .sync = mdc_sync, - .readpage = mdc_readpage, + .read_page = mdc_read_page, .unlink = mdc_unlink, .cancel_unused = mdc_cancel_unused, .init_ea_size = mdc_init_ea_size, diff --git a/drivers/staging/lustre/lustre/obdclass/cl_io.c b/drivers/staging/lustre/lustre/obdclass/cl_io.c index e72f1fc00a13..4516fff2ee55 100644 --- a/drivers/staging/lustre/lustre/obdclass/cl_io.c +++ b/drivers/staging/lustre/lustre/obdclass/cl_io.c @@ -859,9 +859,6 @@ void cl_page_list_add(struct cl_page_list *plist, struct cl_page *page) LASSERT(page->cp_owner); LINVRNT(plist->pl_owner == current); - lockdep_off(); - mutex_lock(&page->cp_mutex); - lockdep_on(); LASSERT(list_empty(&page->cp_batch)); list_add_tail(&page->cp_batch, &plist->pl_pages); ++plist->pl_nr; @@ -877,12 +874,10 @@ void cl_page_list_del(const struct lu_env *env, struct cl_page_list *plist, struct cl_page *page) { LASSERT(plist->pl_nr > 0); + LASSERT(cl_page_is_vmlocked(env, page)); LINVRNT(plist->pl_owner == current); list_del_init(&page->cp_batch); - lockdep_off(); - mutex_unlock(&page->cp_mutex); - lockdep_on(); --plist->pl_nr; lu_ref_del_at(&page->cp_reference, &page->cp_queue_ref, "queue", plist); cl_page_put(env, page); @@ -959,9 +954,6 @@ void cl_page_list_disown(const struct lu_env *env, LASSERT(plist->pl_nr > 0); list_del_init(&page->cp_batch); - lockdep_off(); - mutex_unlock(&page->cp_mutex); - lockdep_on(); --plist->pl_nr; /* * cl_page_disown0 rather than usual cl_page_disown() is used, diff --git a/drivers/staging/lustre/lustre/obdclass/cl_page.c b/drivers/staging/lustre/lustre/obdclass/cl_page.c index db2dc6b39073..80c6e0e95c5f 100644 --- a/drivers/staging/lustre/lustre/obdclass/cl_page.c +++ b/drivers/staging/lustre/lustre/obdclass/cl_page.c @@ -151,7 +151,6 @@ struct cl_page *cl_page_alloc(const struct lu_env *env, INIT_LIST_HEAD(&page->cp_layers); INIT_LIST_HEAD(&page->cp_batch); INIT_LIST_HEAD(&page->cp_flight); - mutex_init(&page->cp_mutex); lu_ref_init(&page->cp_reference); head = o->co_lu.lo_header; list_for_each_entry(o, &head->loh_layers, co_lu.lo_linkage) { @@ -478,7 +477,6 @@ static void cl_page_owner_clear(struct cl_page *page) LASSERT(page->cp_owner->ci_owned_nr > 0); page->cp_owner->ci_owned_nr--; page->cp_owner = NULL; - page->cp_task = NULL; } } @@ -562,7 +560,6 @@ static int cl_page_own0(const struct lu_env *env, struct cl_io *io, PASSERT(env, pg, !pg->cp_owner); PASSERT(env, pg, !pg->cp_req); pg->cp_owner = cl_io_top(io); - pg->cp_task = current; cl_page_owner_set(pg); if (pg->cp_state != CPS_FREEING) { cl_page_state_set(env, pg, CPS_OWNED); @@ -619,7 +616,6 @@ void cl_page_assume(const struct lu_env *env, cl_page_invoid(env, io, pg, CL_PAGE_OP(cpo_assume)); PASSERT(env, pg, !pg->cp_owner); pg->cp_owner = cl_io_top(io); - pg->cp_task = current; cl_page_owner_set(pg); cl_page_state_set(env, pg, CPS_OWNED); } @@ -860,10 +856,6 @@ void cl_page_completion(const struct lu_env *env, PASSERT(env, pg, pg->cp_state == cl_req_type_state(crt)); CL_PAGE_HEADER(D_TRACE, env, pg, "%d %d\n", crt, ioret); - if (crt == CRT_READ && ioret == 0) { - PASSERT(env, pg, !(pg->cp_flags & CPF_READ_COMPLETED)); - pg->cp_flags |= CPF_READ_COMPLETED; - } cl_page_state_set(env, pg, CPS_CACHED); if (crt >= CRT_NR) @@ -989,10 +981,10 @@ void cl_page_header_print(const struct lu_env *env, void *cookie, lu_printer_t printer, const struct cl_page *pg) { (*printer)(env, cookie, - "page@%p[%d %p %d %d %d %p %p %#x]\n", + "page@%p[%d %p %d %d %p %p]\n", pg, atomic_read(&pg->cp_ref), pg->cp_obj, - pg->cp_state, pg->cp_error, pg->cp_type, - pg->cp_owner, pg->cp_req, pg->cp_flags); + pg->cp_state, pg->cp_type, + pg->cp_owner, pg->cp_req); } EXPORT_SYMBOL(cl_page_header_print); diff --git a/drivers/staging/lustre/lustre/obdclass/class_obd.c b/drivers/staging/lustre/lustre/obdclass/class_obd.c index d9d2a1952b8b..67001674ab5d 100644 --- a/drivers/staging/lustre/lustre/obdclass/class_obd.c +++ b/drivers/staging/lustre/lustre/obdclass/class_obd.c @@ -40,6 +40,7 @@ #include "../include/lprocfs_status.h" #include <linux/list.h> #include "../include/cl_object.h" +#include "../include/lustre/lustre_ioctl.h" #include "llog_internal.h" struct obd_device *obd_devs[MAX_OBD_DEVICES]; @@ -56,8 +57,6 @@ unsigned int obd_dump_on_eviction; EXPORT_SYMBOL(obd_dump_on_eviction); unsigned int obd_max_dirty_pages = 256; EXPORT_SYMBOL(obd_max_dirty_pages); -atomic_t obd_unstable_pages; -EXPORT_SYMBOL(obd_unstable_pages); atomic_t obd_dirty_pages; EXPORT_SYMBOL(obd_dirty_pages); unsigned int obd_timeout = OBD_TIMEOUT_DEFAULT; /* seconds */ @@ -116,19 +115,6 @@ int lustre_get_jobid(char *jobid) } EXPORT_SYMBOL(lustre_get_jobid); -static inline void obd_data2conn(struct lustre_handle *conn, - struct obd_ioctl_data *data) -{ - memset(conn, 0, sizeof(*conn)); - conn->cookie = data->ioc_cookie; -} - -static inline void obd_conn2data(struct obd_ioctl_data *data, - struct lustre_handle *conn) -{ - data->ioc_cookie = conn->cookie; -} - static int class_resolve_dev_name(__u32 len, const char *name) { int rc; @@ -287,13 +273,6 @@ int class_handle_ioctl(unsigned int cmd, unsigned long arg) goto out; } - case OBD_IOC_CLOSE_UUID: { - CDEBUG(D_IOCTL, "closing all connections to uuid %s (NOOP)\n", - data->ioc_inlbuf1); - err = 0; - goto out; - } - case OBD_IOC_GETDEVICE: { int index = data->ioc_count; char *status, *str; @@ -542,23 +521,11 @@ static int __init obdclass_init(void) static void obdclass_exit(void) { - int i; - int lustre_unregister_fs(void); lustre_unregister_fs(); misc_deregister(&obd_psdev); - for (i = 0; i < class_devno_max(); i++) { - struct obd_device *obd = class_num2obd(i); - - if (obd && obd->obd_set_up && - OBT(obd) && OBP(obd, detach)) { - /* XXX should this call generic detach otherwise? */ - LASSERT(obd->obd_magic == OBD_DEVICE_MAGIC); - OBP(obd, detach)(obd); - } - } llog_info_fini(); cl_global_fini(); lu_global_fini(); diff --git a/drivers/staging/lustre/lustre/obdclass/debug.c b/drivers/staging/lustre/lustre/obdclass/debug.c index 8acf67239fa8..0bd4ad20aba7 100644 --- a/drivers/staging/lustre/lustre/obdclass/debug.c +++ b/drivers/staging/lustre/lustre/obdclass/debug.c @@ -48,10 +48,10 @@ int block_debug_setup(void *addr, int len, __u64 off, __u64 id) LASSERT(addr); put_unaligned_le64(off, addr); - put_unaligned_le64(id, addr+LPDS); + put_unaligned_le64(id, addr + LPDS); addr += len - LPDS - LPDS; put_unaligned_le64(off, addr); - put_unaligned_le64(id, addr+LPDS); + put_unaligned_le64(id, addr + LPDS); return 0; } diff --git a/drivers/staging/lustre/lustre/obdclass/genops.c b/drivers/staging/lustre/lustre/obdclass/genops.c index 99c2da632b51..0bc623e5b35a 100644 --- a/drivers/staging/lustre/lustre/obdclass/genops.c +++ b/drivers/staging/lustre/lustre/obdclass/genops.c @@ -166,10 +166,10 @@ int class_register_type(struct obd_ops *dt_ops, struct md_ops *md_ops, !type->typ_name) goto failed; - *(type->typ_dt_ops) = *dt_ops; + *type->typ_dt_ops = *dt_ops; /* md_ops is optional */ if (md_ops) - *(type->typ_md_ops) = *md_ops; + *type->typ_md_ops = *md_ops; strcpy(type->typ_name, name); spin_lock_init(&type->obd_type_lock); @@ -509,7 +509,7 @@ struct obd_device *class_devices_in_group(struct obd_uuid *grp_uuid, int *next) continue; if (obd_uuid_equals(grp_uuid, &obd->obd_uuid)) { if (next) - *next = i+1; + *next = i + 1; read_unlock(&obd_dev_lock); return obd; } @@ -618,7 +618,7 @@ struct obd_export *class_conn2export(struct lustre_handle *conn) } CDEBUG(D_INFO, "looking for export cookie %#llx\n", conn->cookie); - export = class_handle2object(conn->cookie); + export = class_handle2object(conn->cookie, NULL); return export; } EXPORT_SYMBOL(class_conn2export); @@ -1312,3 +1312,135 @@ void obd_zombie_impexp_stop(void) obd_zombie_impexp_notify(); wait_for_completion(&obd_zombie_stop); } + +struct obd_request_slot_waiter { + struct list_head orsw_entry; + wait_queue_head_t orsw_waitq; + bool orsw_signaled; +}; + +static bool obd_request_slot_avail(struct client_obd *cli, + struct obd_request_slot_waiter *orsw) +{ + bool avail; + + spin_lock(&cli->cl_loi_list_lock); + avail = !!list_empty(&orsw->orsw_entry); + spin_unlock(&cli->cl_loi_list_lock); + + return avail; +}; + +/* + * For network flow control, the RPC sponsor needs to acquire a credit + * before sending the RPC. The credits count for a connection is defined + * by the "cl_max_rpcs_in_flight". If all the credits are occpuied, then + * the subsequent RPC sponsors need to wait until others released their + * credits, or the administrator increased the "cl_max_rpcs_in_flight". + */ +int obd_get_request_slot(struct client_obd *cli) +{ + struct obd_request_slot_waiter orsw; + struct l_wait_info lwi; + int rc; + + spin_lock(&cli->cl_loi_list_lock); + if (cli->cl_r_in_flight < cli->cl_max_rpcs_in_flight) { + cli->cl_r_in_flight++; + spin_unlock(&cli->cl_loi_list_lock); + return 0; + } + + init_waitqueue_head(&orsw.orsw_waitq); + list_add_tail(&orsw.orsw_entry, &cli->cl_loi_read_list); + orsw.orsw_signaled = false; + spin_unlock(&cli->cl_loi_list_lock); + + lwi = LWI_INTR(LWI_ON_SIGNAL_NOOP, NULL); + rc = l_wait_event(orsw.orsw_waitq, + obd_request_slot_avail(cli, &orsw) || + orsw.orsw_signaled, + &lwi); + + /* + * Here, we must take the lock to avoid the on-stack 'orsw' to be + * freed but other (such as obd_put_request_slot) is using it. + */ + spin_lock(&cli->cl_loi_list_lock); + if (rc) { + if (!orsw.orsw_signaled) { + if (list_empty(&orsw.orsw_entry)) + cli->cl_r_in_flight--; + else + list_del(&orsw.orsw_entry); + } + } + + if (orsw.orsw_signaled) { + LASSERT(list_empty(&orsw.orsw_entry)); + + rc = -EINTR; + } + spin_unlock(&cli->cl_loi_list_lock); + + return rc; +} +EXPORT_SYMBOL(obd_get_request_slot); + +void obd_put_request_slot(struct client_obd *cli) +{ + struct obd_request_slot_waiter *orsw; + + spin_lock(&cli->cl_loi_list_lock); + cli->cl_r_in_flight--; + + /* If there is free slot, wakeup the first waiter. */ + if (!list_empty(&cli->cl_loi_read_list) && + likely(cli->cl_r_in_flight < cli->cl_max_rpcs_in_flight)) { + orsw = list_entry(cli->cl_loi_read_list.next, + struct obd_request_slot_waiter, orsw_entry); + list_del_init(&orsw->orsw_entry); + cli->cl_r_in_flight++; + wake_up(&orsw->orsw_waitq); + } + spin_unlock(&cli->cl_loi_list_lock); +} +EXPORT_SYMBOL(obd_put_request_slot); + +__u32 obd_get_max_rpcs_in_flight(struct client_obd *cli) +{ + return cli->cl_max_rpcs_in_flight; +} +EXPORT_SYMBOL(obd_get_max_rpcs_in_flight); + +int obd_set_max_rpcs_in_flight(struct client_obd *cli, __u32 max) +{ + struct obd_request_slot_waiter *orsw; + __u32 old; + int diff; + int i; + + if (max > OBD_MAX_RIF_MAX || max < 1) + return -ERANGE; + + spin_lock(&cli->cl_loi_list_lock); + old = cli->cl_max_rpcs_in_flight; + cli->cl_max_rpcs_in_flight = max; + diff = max - old; + + /* We increase the max_rpcs_in_flight, then wakeup some waiters. */ + for (i = 0; i < diff; i++) { + if (list_empty(&cli->cl_loi_read_list)) + break; + + orsw = list_entry(cli->cl_loi_read_list.next, + struct obd_request_slot_waiter, orsw_entry); + list_del_init(&orsw->orsw_entry); + cli->cl_r_in_flight++; + wake_up(&orsw->orsw_waitq); + } + spin_unlock(&cli->cl_loi_list_lock); + + return 0; +} +EXPORT_SYMBOL(obd_set_max_rpcs_in_flight); diff --git a/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c b/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c index 33342bfcc90e..2b691d8cdf96 100644 --- a/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c +++ b/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c @@ -65,6 +65,7 @@ #include "../../include/obd_support.h" #include "../../include/obd_class.h" #include "../../include/lprocfs_status.h" +#include "../../include/lustre/lustre_ioctl.h" #include "../../include/lustre_ver.h" /* buffer MUST be at least the size of obd_ioctl_hdr */ @@ -191,7 +192,7 @@ static long obd_class_ioctl(struct file *filp, unsigned int cmd, } /* declare character device */ -static struct file_operations obd_psdev_fops = { +static const struct file_operations obd_psdev_fops = { .owner = THIS_MODULE, .unlocked_ioctl = obd_class_ioctl, /* unlocked_ioctl */ .open = obd_class_open, /* open */ diff --git a/drivers/staging/lustre/lustre/obdclass/linux/linux-obdo.c b/drivers/staging/lustre/lustre/obdclass/linux/linux-obdo.c index c6cc6a7666e3..41b77a30feb3 100644 --- a/drivers/staging/lustre/lustre/obdclass/linux/linux-obdo.c +++ b/drivers/staging/lustre/lustre/obdclass/linux/linux-obdo.c @@ -44,7 +44,7 @@ #include <linux/fs.h> -void obdo_refresh_inode(struct inode *dst, struct obdo *src, u32 valid) +void obdo_refresh_inode(struct inode *dst, const struct obdo *src, u32 valid) { valid &= src->o_valid; diff --git a/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c b/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c index 8f70dd2686f9..bcf005dee36e 100644 --- a/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c +++ b/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c @@ -95,8 +95,9 @@ LUSTRE_STATIC_UINT_ATTR(timeout, &obd_timeout); static ssize_t max_dirty_mb_show(struct kobject *kobj, struct attribute *attr, char *buf) { - return sprintf(buf, "%ul\n", - obd_max_dirty_pages / (1 << (20 - PAGE_SHIFT))); + return sprintf(buf, "%lu\n", + (unsigned long)obd_max_dirty_pages / + (1 << (20 - PAGE_SHIFT))); } static ssize_t max_dirty_mb_store(struct kobject *kobj, struct attribute *attr, diff --git a/drivers/staging/lustre/lustre/obdclass/llog.c b/drivers/staging/lustre/lustre/obdclass/llog.c index 1784ca063428..8f06141f9354 100644 --- a/drivers/staging/lustre/lustre/obdclass/llog.c +++ b/drivers/staging/lustre/lustre/obdclass/llog.c @@ -80,7 +80,7 @@ static void llog_free_handle(struct llog_handle *loghandle) LASSERT(list_empty(&loghandle->u.phd.phd_entry)); else if (loghandle->lgh_hdr->llh_flags & LLOG_F_IS_CAT) LASSERT(list_empty(&loghandle->u.chd.chd_head)); - LASSERT(sizeof(*(loghandle->lgh_hdr)) == LLOG_CHUNK_SIZE); + LASSERT(sizeof(*loghandle->lgh_hdr) == LLOG_CHUNK_SIZE); kfree(loghandle->lgh_hdr); out: kfree(loghandle); diff --git a/drivers/staging/lustre/lustre/obdclass/llog_swab.c b/drivers/staging/lustre/lustre/obdclass/llog_swab.c index f7b9b190350c..0ec636106ea3 100644 --- a/drivers/staging/lustre/lustre/obdclass/llog_swab.c +++ b/drivers/staging/lustre/lustre/obdclass/llog_swab.c @@ -224,6 +224,7 @@ void lustre_swab_llog_rec(struct llog_rec_hdr *rec) __swab32s(&lsr->lsr_uid_h); __swab32s(&lsr->lsr_gid); __swab32s(&lsr->lsr_gid_h); + __swab64s(&lsr->lsr_valid); tail = &lsr->lsr_tail; break; } diff --git a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c index 279b625f1afe..be6b6af0c548 100644 --- a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c +++ b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c @@ -96,6 +96,12 @@ static const char * const obd_connect_names[] = { "pingless", "flock_deadlock", "disp_stripe", + "open_by_fid", + "lfsck", + "unknown", + "unlink_close", + "unknown", + "dir_stripe", "unknown", NULL }; @@ -309,7 +315,7 @@ struct dentry *ldebugfs_add_simple(struct dentry *root, } EXPORT_SYMBOL_GPL(ldebugfs_add_simple); -static struct file_operations lprocfs_generic_fops = { }; +static const struct file_operations lprocfs_generic_fops = { }; int ldebugfs_add_vars(struct dentry *parent, struct lprocfs_vars *list, @@ -1547,6 +1553,146 @@ void lprocfs_oh_clear(struct obd_histogram *oh) } EXPORT_SYMBOL(lprocfs_oh_clear); +int lprocfs_wr_root_squash(const char __user *buffer, unsigned long count, + struct root_squash_info *squash, char *name) +{ + char kernbuf[64], *tmp, *errmsg; + unsigned long uid, gid; + int rc; + + if (count >= sizeof(kernbuf)) { + errmsg = "string too long"; + rc = -EINVAL; + goto failed_noprint; + } + if (copy_from_user(kernbuf, buffer, count)) { + errmsg = "bad address"; + rc = -EFAULT; + goto failed_noprint; + } + kernbuf[count] = '\0'; + + /* look for uid gid separator */ + tmp = strchr(kernbuf, ':'); + if (!tmp) { + errmsg = "needs uid:gid format"; + rc = -EINVAL; + goto failed; + } + *tmp = '\0'; + tmp++; + + /* parse uid */ + if (kstrtoul(kernbuf, 0, &uid) != 0) { + errmsg = "bad uid"; + rc = -EINVAL; + goto failed; + } + /* parse gid */ + if (kstrtoul(tmp, 0, &gid) != 0) { + errmsg = "bad gid"; + rc = -EINVAL; + goto failed; + } + + squash->rsi_uid = uid; + squash->rsi_gid = gid; + + LCONSOLE_INFO("%s: root_squash is set to %u:%u\n", + name, squash->rsi_uid, squash->rsi_gid); + return count; + +failed: + if (tmp) { + tmp--; + *tmp = ':'; + } + CWARN("%s: failed to set root_squash to \"%s\", %s, rc = %d\n", + name, kernbuf, errmsg, rc); + return rc; +failed_noprint: + CWARN("%s: failed to set root_squash due to %s, rc = %d\n", + name, errmsg, rc); + return rc; +} +EXPORT_SYMBOL(lprocfs_wr_root_squash); + +int lprocfs_wr_nosquash_nids(const char __user *buffer, unsigned long count, + struct root_squash_info *squash, char *name) +{ + char *kernbuf = NULL, *errmsg; + struct list_head tmp; + int len = count; + int rc; + + if (count > 4096) { + errmsg = "string too long"; + rc = -EINVAL; + goto failed; + } + + kernbuf = kzalloc(count + 1, GFP_NOFS); + if (!kernbuf) { + errmsg = "no memory"; + rc = -ENOMEM; + goto failed; + } + + if (copy_from_user(kernbuf, buffer, count)) { + errmsg = "bad address"; + rc = -EFAULT; + goto failed; + } + kernbuf[count] = '\0'; + + if (count > 0 && kernbuf[count - 1] == '\n') + len = count - 1; + + if ((len == 4 && !strncmp(kernbuf, "NONE", len)) || + (len == 5 && !strncmp(kernbuf, "clear", len))) { + /* empty string is special case */ + down_write(&squash->rsi_sem); + if (!list_empty(&squash->rsi_nosquash_nids)) + cfs_free_nidlist(&squash->rsi_nosquash_nids); + up_write(&squash->rsi_sem); + LCONSOLE_INFO("%s: nosquash_nids is cleared\n", name); + kfree(kernbuf); + return count; + } + + INIT_LIST_HEAD(&tmp); + if (cfs_parse_nidlist(kernbuf, count, &tmp) <= 0) { + errmsg = "can't parse"; + rc = -EINVAL; + goto failed; + } + LCONSOLE_INFO("%s: nosquash_nids set to %s\n", + name, kernbuf); + kfree(kernbuf); + kernbuf = NULL; + + down_write(&squash->rsi_sem); + if (!list_empty(&squash->rsi_nosquash_nids)) + cfs_free_nidlist(&squash->rsi_nosquash_nids); + list_splice(&tmp, &squash->rsi_nosquash_nids); + up_write(&squash->rsi_sem); + + return count; + +failed: + if (kernbuf) { + CWARN("%s: failed to set nosquash_nids to \"%s\", %s rc = %d\n", + name, kernbuf, errmsg, rc); + kfree(kernbuf); + kernbuf = NULL; + } else { + CWARN("%s: failed to set nosquash_nids due to %s rc = %d\n", + name, errmsg, rc); + } + return rc; +} +EXPORT_SYMBOL(lprocfs_wr_nosquash_nids); + static ssize_t lustre_attr_show(struct kobject *kobj, struct attribute *attr, char *buf) { diff --git a/drivers/staging/lustre/lustre/obdclass/lu_object.c b/drivers/staging/lustre/lustre/obdclass/lu_object.c index 9b03059f34d6..9d1c96b8ab73 100644 --- a/drivers/staging/lustre/lustre/obdclass/lu_object.c +++ b/drivers/staging/lustre/lustre/obdclass/lu_object.c @@ -55,6 +55,34 @@ #include "../include/lu_ref.h" #include <linux/list.h> +enum { + LU_CACHE_PERCENT_MAX = 50, + LU_CACHE_PERCENT_DEFAULT = 20 +}; + +#define LU_CACHE_NR_MAX_ADJUST 128 +#define LU_CACHE_NR_UNLIMITED -1 +#define LU_CACHE_NR_DEFAULT LU_CACHE_NR_UNLIMITED +#define LU_CACHE_NR_LDISKFS_LIMIT LU_CACHE_NR_UNLIMITED +#define LU_CACHE_NR_ZFS_LIMIT 256 + +#define LU_SITE_BITS_MIN 12 +#define LU_SITE_BITS_MAX 24 +/** + * total 256 buckets, we don't want too many buckets because: + * - consume too much memory + * - avoid unbalanced LRU list + */ +#define LU_SITE_BKT_BITS 8 + +static unsigned int lu_cache_percent = LU_CACHE_PERCENT_DEFAULT; +module_param(lu_cache_percent, int, 0644); +MODULE_PARM_DESC(lu_cache_percent, "Percentage of memory to be used as lu_object cache"); + +static long lu_cache_nr = LU_CACHE_NR_DEFAULT; +module_param(lu_cache_nr, long, 0644); +MODULE_PARM_DESC(lu_cache_nr, "Maximum number of objects in lu_object cache"); + static void lu_object_free(const struct lu_env *env, struct lu_object *o); static __u32 ls_stats_read(struct lprocfs_stats *stats, int idx); @@ -573,6 +601,27 @@ static struct lu_object *lu_object_find(const struct lu_env *env, return lu_object_find_at(env, dev->ld_site->ls_top_dev, f, conf); } +/* + * Limit the lu_object cache to a maximum of lu_cache_nr objects. Because + * the calculation for the number of objects to reclaim is not covered by + * a lock the maximum number of objects is capped by LU_CACHE_MAX_ADJUST. + * This ensures that many concurrent threads will not accidentally purge + * the entire cache. + */ +static void lu_object_limit(const struct lu_env *env, struct lu_device *dev) +{ + __u64 size, nr; + + if (lu_cache_nr == LU_CACHE_NR_UNLIMITED) + return; + + size = cfs_hash_size_get(dev->ld_site->ls_obj_hash); + nr = (__u64)lu_cache_nr; + if (size > nr) + lu_site_purge(env, dev->ld_site, + min_t(__u64, size - nr, LU_CACHE_NR_MAX_ADJUST)); +} + static struct lu_object *lu_object_new(const struct lu_env *env, struct lu_device *dev, const struct lu_fid *f, @@ -590,6 +639,9 @@ static struct lu_object *lu_object_new(const struct lu_env *env, cfs_hash_bd_get_and_lock(hs, (void *)f, &bd, 1); cfs_hash_bd_add_locked(hs, &bd, &o->lo_header->loh_hash); cfs_hash_bd_unlock(hs, &bd, 1); + + lu_object_limit(env, dev); + return o; } @@ -656,6 +708,9 @@ static struct lu_object *lu_object_find_try(const struct lu_env *env, if (likely(PTR_ERR(shadow) == -ENOENT)) { cfs_hash_bd_add_locked(hs, &bd, &o->lo_header->loh_hash); cfs_hash_bd_unlock(hs, &bd, 1); + + lu_object_limit(env, dev); + return o; } @@ -726,34 +781,31 @@ int lu_device_type_init(struct lu_device_type *ldt) { int result = 0; + atomic_set(&ldt->ldt_device_nr, 0); INIT_LIST_HEAD(&ldt->ldt_linkage); if (ldt->ldt_ops->ldto_init) result = ldt->ldt_ops->ldto_init(ldt); - if (result == 0) + + if (!result) { + spin_lock(&obd_types_lock); list_add(&ldt->ldt_linkage, &lu_device_types); + spin_unlock(&obd_types_lock); + } + return result; } EXPORT_SYMBOL(lu_device_type_init); void lu_device_type_fini(struct lu_device_type *ldt) { + spin_lock(&obd_types_lock); list_del_init(&ldt->ldt_linkage); + spin_unlock(&obd_types_lock); if (ldt->ldt_ops->ldto_fini) ldt->ldt_ops->ldto_fini(ldt); } EXPORT_SYMBOL(lu_device_type_fini); -void lu_types_stop(void) -{ - struct lu_device_type *ldt; - - list_for_each_entry(ldt, &lu_device_types, ldt_linkage) { - if (ldt->ldt_device_nr == 0 && ldt->ldt_ops->ldto_stop) - ldt->ldt_ops->ldto_stop(ldt); - } -} -EXPORT_SYMBOL(lu_types_stop); - /** * Global list of all sites on this node */ @@ -808,20 +860,12 @@ void lu_site_print(const struct lu_env *env, struct lu_site *s, void *cookie, } EXPORT_SYMBOL(lu_site_print); -enum { - LU_CACHE_PERCENT_MAX = 50, - LU_CACHE_PERCENT_DEFAULT = 20 -}; - -static unsigned int lu_cache_percent = LU_CACHE_PERCENT_DEFAULT; -module_param(lu_cache_percent, int, 0644); -MODULE_PARM_DESC(lu_cache_percent, "Percentage of memory to be used as lu_object cache"); - /** * Return desired hash table order. */ -static int lu_htable_order(void) +static int lu_htable_order(struct lu_device *top) { + unsigned long bits_max = LU_SITE_BITS_MAX; unsigned long cache_size; int bits; @@ -854,7 +898,7 @@ static int lu_htable_order(void) for (bits = 1; (1 << bits) < cache_size; ++bits) { ; } - return bits; + return clamp_t(typeof(bits), bits, LU_SITE_BITS_MIN, bits_max); } static unsigned lu_obj_hop_hash(struct cfs_hash *hs, @@ -930,28 +974,17 @@ static void lu_dev_add_linkage(struct lu_site *s, struct lu_device *d) /** * Initialize site \a s, with \a d as the top level device. */ -#define LU_SITE_BITS_MIN 12 -#define LU_SITE_BITS_MAX 19 -/** - * total 256 buckets, we don't want too many buckets because: - * - consume too much memory - * - avoid unbalanced LRU list - */ -#define LU_SITE_BKT_BITS 8 - int lu_site_init(struct lu_site *s, struct lu_device *top) { struct lu_site_bkt_data *bkt; struct cfs_hash_bd bd; + unsigned long bits; + unsigned long i; char name[16]; - int bits; - int i; memset(s, 0, sizeof(*s)); - bits = lu_htable_order(); snprintf(name, 16, "lu_site_%s", top->ld_type->ldt_name); - for (bits = min(max(LU_SITE_BITS_MIN, bits), LU_SITE_BITS_MAX); - bits >= LU_SITE_BITS_MIN; bits--) { + for (bits = lu_htable_order(top); bits >= LU_SITE_BITS_MIN; bits--) { s->ls_obj_hash = cfs_hash_create(name, bits, bits, bits - LU_SITE_BKT_BITS, sizeof(*bkt), 0, 0, @@ -959,13 +992,14 @@ int lu_site_init(struct lu_site *s, struct lu_device *top) CFS_HASH_SPIN_BKTLOCK | CFS_HASH_NO_ITEMREF | CFS_HASH_DEPTH | - CFS_HASH_ASSERT_EMPTY); + CFS_HASH_ASSERT_EMPTY | + CFS_HASH_COUNTER); if (s->ls_obj_hash) break; } if (!s->ls_obj_hash) { - CERROR("failed to create lu_site hash with bits: %d\n", bits); + CERROR("failed to create lu_site hash with bits: %lu\n", bits); return -ENOMEM; } @@ -1082,8 +1116,10 @@ EXPORT_SYMBOL(lu_device_put); */ int lu_device_init(struct lu_device *d, struct lu_device_type *t) { - if (t->ldt_device_nr++ == 0 && t->ldt_ops->ldto_start) + if (atomic_inc_return(&t->ldt_device_nr) == 1 && + t->ldt_ops->ldto_start) t->ldt_ops->ldto_start(t); + memset(d, 0, sizeof(*d)); atomic_set(&d->ld_ref, 0); d->ld_type = t; @@ -1098,9 +1134,8 @@ EXPORT_SYMBOL(lu_device_init); */ void lu_device_fini(struct lu_device *d) { - struct lu_device_type *t; + struct lu_device_type *t = d->ld_type; - t = d->ld_type; if (d->ld_obd) { d->ld_obd->obd_lu_dev = NULL; d->ld_obd = NULL; @@ -1109,8 +1144,10 @@ void lu_device_fini(struct lu_device *d) lu_ref_fini(&d->ld_reference); LASSERTF(atomic_read(&d->ld_ref) == 0, "Refcount is %u\n", atomic_read(&d->ld_ref)); - LASSERT(t->ldt_device_nr > 0); - if (--t->ldt_device_nr == 0 && t->ldt_ops->ldto_stop) + LASSERT(atomic_read(&t->ldt_device_nr) > 0); + + if (atomic_dec_and_test(&t->ldt_device_nr) && + t->ldt_ops->ldto_stop) t->ldt_ops->ldto_stop(t); } EXPORT_SYMBOL(lu_device_fini); diff --git a/drivers/staging/lustre/lustre/obdclass/lustre_handles.c b/drivers/staging/lustre/lustre/obdclass/lustre_handles.c index 082f530c527c..8faa318bf6b4 100644 --- a/drivers/staging/lustre/lustre/obdclass/lustre_handles.c +++ b/drivers/staging/lustre/lustre/obdclass/lustre_handles.c @@ -130,7 +130,7 @@ void class_handle_unhash(struct portals_handle *h) } EXPORT_SYMBOL(class_handle_unhash); -void *class_handle2object(__u64 cookie) +void *class_handle2object(__u64 cookie, const void *owner) { struct handle_bucket *bucket; struct portals_handle *h; @@ -145,7 +145,7 @@ void *class_handle2object(__u64 cookie) rcu_read_lock(); list_for_each_entry_rcu(h, &bucket->head, h_link) { - if (h->h_cookie != cookie) + if (h->h_cookie != cookie || h->h_owner != owner) continue; spin_lock(&h->h_lock); @@ -214,7 +214,7 @@ static int cleanup_all_handles(void) struct portals_handle *h; spin_lock(&handle_hash[i].lock); - list_for_each_entry_rcu(h, &(handle_hash[i].head), h_link) { + list_for_each_entry_rcu(h, &handle_hash[i].head, h_link) { CERROR("force clean handle %#llx addr %p ops %p\n", h->h_cookie, h, h->h_ops); diff --git a/drivers/staging/lustre/lustre/obdclass/obd_config.c b/drivers/staging/lustre/lustre/obdclass/obd_config.c index 0eab1236501b..b7dcadbbc0e3 100644 --- a/drivers/staging/lustre/lustre/obdclass/obd_config.c +++ b/drivers/staging/lustre/lustre/obdclass/obd_config.c @@ -37,6 +37,7 @@ #define DEBUG_SUBSYSTEM S_CLASS #include "../include/obd_class.h" #include <linux/string.h> +#include "../include/lustre/lustre_ioctl.h" #include "../include/lustre_log.h" #include "../include/lprocfs_status.h" #include "../include/lustre_param.h" @@ -237,7 +238,7 @@ static int class_attach(struct lustre_cfg *lcfg) /* recovery data */ init_waitqueue_head(&obd->obd_evict_inprogress_waitq); - llog_group_init(&obd->obd_olg, FID_SEQ_LLOG); + llog_group_init(&obd->obd_olg); obd->obd_conn_inprogress = 0; @@ -250,15 +251,6 @@ static int class_attach(struct lustre_cfg *lcfg) } memcpy(obd->obd_uuid.uuid, uuid, len); - /* do the attach */ - if (OBP(obd, attach)) { - rc = OBP(obd, attach)(obd, sizeof(*lcfg), lcfg); - if (rc) { - rc = -EINVAL; - goto out; - } - } - /* Detach drops this */ spin_lock(&obd->obd_dev_lock); atomic_set(&obd->obd_refcount, 1); @@ -526,11 +518,6 @@ void class_decref(struct obd_device *obd, const char *scope, const void *source) CERROR("Cleanup %s returned %d\n", obd->obd_name, err); } - if (OBP(obd, detach)) { - err = OBP(obd, detach)(obd); - if (err) - CERROR("Detach returned %d\n", err); - } class_release_dev(obd); } } @@ -1026,7 +1013,7 @@ int class_process_proc_param(char *prefix, struct lprocfs_vars *lvars, oldfs = get_fs(); set_fs(KERNEL_DS); - rc = (var->fops->write)(&fakefile, sval, + rc = var->fops->write(&fakefile, sval, vallen, NULL); set_fs(oldfs); } @@ -1317,33 +1304,33 @@ static int class_config_parse_rec(struct llog_rec_hdr *rec, char *buf, if (rc < 0) return rc; - ptr += snprintf(ptr, end-ptr, "cmd=%05x ", lcfg->lcfg_command); + ptr += snprintf(ptr, end - ptr, "cmd=%05x ", lcfg->lcfg_command); if (lcfg->lcfg_flags) - ptr += snprintf(ptr, end-ptr, "flags=%#08x ", + ptr += snprintf(ptr, end - ptr, "flags=%#08x ", lcfg->lcfg_flags); if (lcfg->lcfg_num) - ptr += snprintf(ptr, end-ptr, "num=%#08x ", lcfg->lcfg_num); + ptr += snprintf(ptr, end - ptr, "num=%#08x ", lcfg->lcfg_num); if (lcfg->lcfg_nid) { char nidstr[LNET_NIDSTR_SIZE]; libcfs_nid2str_r(lcfg->lcfg_nid, nidstr, sizeof(nidstr)); - ptr += snprintf(ptr, end-ptr, "nid=%s(%#llx)\n ", + ptr += snprintf(ptr, end - ptr, "nid=%s(%#llx)\n ", nidstr, lcfg->lcfg_nid); } if (lcfg->lcfg_command == LCFG_MARKER) { struct cfg_marker *marker = lustre_cfg_buf(lcfg, 1); - ptr += snprintf(ptr, end-ptr, "marker=%d(%#x)%s '%s'", + ptr += snprintf(ptr, end - ptr, "marker=%d(%#x)%s '%s'", marker->cm_step, marker->cm_flags, marker->cm_tgtname, marker->cm_comment); } else { int i; for (i = 0; i < lcfg->lcfg_bufcount; i++) { - ptr += snprintf(ptr, end-ptr, "%d:%s ", i, + ptr += snprintf(ptr, end - ptr, "%d:%s ", i, lustre_cfg_string(lcfg, i)); } } diff --git a/drivers/staging/lustre/lustre/obdclass/obd_mount.c b/drivers/staging/lustre/lustre/obdclass/obd_mount.c index aa84a50e9904..0273768fdda8 100644 --- a/drivers/staging/lustre/lustre/obdclass/obd_mount.c +++ b/drivers/staging/lustre/lustre/obdclass/obd_mount.c @@ -37,7 +37,7 @@ */ #define DEBUG_SUBSYSTEM S_CLASS -#define D_MOUNT (D_SUPER|D_CONFIG/*|D_WARNING */) +#define D_MOUNT (D_SUPER | D_CONFIG/*|D_WARNING */) #define PRINT_CMD CDEBUG #include "../include/obd.h" @@ -68,7 +68,7 @@ static void (*kill_super_cb)(struct super_block *sb); * this log, and is added to the mgc's list of logs to follow. */ int lustre_process_log(struct super_block *sb, char *logname, - struct config_llog_instance *cfg) + struct config_llog_instance *cfg) { struct lustre_cfg *lcfg; struct lustre_cfg_bufs *bufs; @@ -394,7 +394,7 @@ int lustre_start_mgc(struct super_block *sb) lsi->lsi_lmd->lmd_flags & LMD_FLG_NOIR) data->ocd_connect_flags &= ~OBD_CONNECT_IMP_RECOV; data->ocd_version = LUSTRE_VERSION_CODE; - rc = obd_connect(NULL, &exp, obd, &(obd->obd_uuid), data, NULL); + rc = obd_connect(NULL, &exp, obd, &obd->obd_uuid, data, NULL); if (rc) { CERROR("connect failed %d\n", rc); goto out; @@ -670,7 +670,6 @@ int lustre_common_put_super(struct super_block *sb) } /* Drop a ref to the mounted disk */ lustre_put_lsi(sb); - lu_types_stop(); return rc; } EXPORT_SYMBOL(lustre_common_put_super); @@ -731,7 +730,7 @@ int lustre_check_exclusion(struct super_block *sb, char *svname) static int lmd_make_exclusion(struct lustre_mount_data *lmd, const char *ptr) { const char *s1 = ptr, *s2; - __u32 index, *exclude_list; + __u32 index = 0, *exclude_list; int rc = 0, devmax; /* The shortest an ost name can be is 8 chars: -OST0000. @@ -758,7 +757,7 @@ static int lmd_make_exclusion(struct lustre_mount_data *lmd, const char *ptr) exclude_list[lmd->lmd_exclude_count++] = index; else CDEBUG(D_MOUNT, "ignoring exclude %.*s: type = %#x\n", - (uint)(s2-s1), s1, rc); + (uint)(s2 - s1), s1, rc); s1 = s2; /* now we are pointing at ':' (next exclude) * or ',' (end of excludes) @@ -880,7 +879,7 @@ static int lmd_parse_mgs(struct lustre_mount_data *lmd, char **ptr) */ static int lmd_parse(char *options, struct lustre_mount_data *lmd) { - char *s1, *s2, *devname = NULL; + char *s1, *s2, *s3, *devname = NULL; struct lustre_mount_data *raw = (struct lustre_mount_data *)options; int rc = 0; @@ -913,6 +912,7 @@ static int lmd_parse(char *options, struct lustre_mount_data *lmd) /* Skip whitespace and extra commas */ while (*s1 == ' ' || *s1 == ',') s1++; + s3 = s1; /* Client options are parsed in ll_options: eg. flock, * user_xattr, acl @@ -970,6 +970,7 @@ static int lmd_parse(char *options, struct lustre_mount_data *lmd) rc = lmd_parse_mgssec(lmd, s1 + 7); if (rc) goto invalid; + s3 = s2; clear++; /* ost exclusion list */ } else if (strncmp(s1, "exclude=", 8) == 0) { @@ -990,10 +991,19 @@ static int lmd_parse(char *options, struct lustre_mount_data *lmd) size_t length, params_length; char *tail = strchr(s1 + 6, ','); - if (!tail) + if (!tail) { length = strlen(s1); - else - length = tail - s1; + } else { + lnet_nid_t nid; + char *param_str = tail + 1; + int supplementary = 1; + + while (!class_parse_nid_quiet(param_str, &nid, + ¶m_str)) { + supplementary = 0; + } + length = param_str - s1 - supplementary; + } length -= 6; params_length = strlen(lmd->lmd_params); if (params_length + length + 1 >= LMD_PARAMS_MAXLEN) @@ -1001,6 +1011,7 @@ static int lmd_parse(char *options, struct lustre_mount_data *lmd) strncat(lmd->lmd_params, s1 + 6, length); lmd->lmd_params[params_length + length] = '\0'; strlcat(lmd->lmd_params, " ", LMD_PARAMS_MAXLEN); + s3 = s1 + 6 + length; clear++; } else if (strncmp(s1, "osd=", 4) == 0) { rc = lmd_parse_string(&lmd->lmd_osd_type, s1 + 4); @@ -1097,7 +1108,7 @@ static int lustre_fill_super(struct super_block *sb, void *data, int silent) struct lustre_sb_info *lsi; int rc; - CDEBUG(D_MOUNT|D_VFSTRACE, "VFS Op: sb %p\n", sb); + CDEBUG(D_MOUNT | D_VFSTRACE, "VFS Op: sb %p\n", sb); lsi = lustre_init_lsi(sb); if (!lsi) @@ -1133,7 +1144,7 @@ static int lustre_fill_super(struct super_block *sb, void *data, int silent) } else { rc = lustre_start_mgc(sb); if (rc) { - lustre_put_lsi(sb); + lustre_common_put_super(sb); goto out; } /* Connect and start */ diff --git a/drivers/staging/lustre/lustre/obdclass/obdo.c b/drivers/staging/lustre/lustre/obdclass/obdo.c index 8583a4a8c206..79104a66da96 100644 --- a/drivers/staging/lustre/lustre/obdclass/obdo.c +++ b/drivers/staging/lustre/lustre/obdclass/obdo.c @@ -112,7 +112,7 @@ void obdo_from_inode(struct obdo *dst, struct inode *src, u32 valid) } EXPORT_SYMBOL(obdo_from_inode); -void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj) +void obdo_to_ioobj(const struct obdo *oa, struct obd_ioobj *ioobj) { ioobj->ioo_oid = oa->o_oi; if (unlikely(!(oa->o_valid & OBD_MD_FLGROUP))) @@ -125,7 +125,8 @@ void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj) } EXPORT_SYMBOL(obdo_to_ioobj); -static void iattr_from_obdo(struct iattr *attr, struct obdo *oa, u32 valid) +static void iattr_from_obdo(struct iattr *attr, const struct obdo *oa, + u32 valid) { valid &= oa->o_valid; @@ -152,12 +153,14 @@ static void iattr_from_obdo(struct iattr *attr, struct obdo *oa, u32 valid) } #if 0 /* you shouldn't be able to change a file's type with setattr */ if (valid & OBD_MD_FLTYPE) { - attr->ia_mode = (attr->ia_mode & ~S_IFMT)|(oa->o_mode & S_IFMT); + attr->ia_mode = (attr->ia_mode & ~S_IFMT) | + (oa->o_mode & S_IFMT); attr->ia_valid |= ATTR_MODE; } #endif if (valid & OBD_MD_FLMODE) { - attr->ia_mode = (attr->ia_mode & S_IFMT)|(oa->o_mode & ~S_IFMT); + attr->ia_mode = (attr->ia_mode & S_IFMT) | + (oa->o_mode & ~S_IFMT); attr->ia_valid |= ATTR_MODE; if (!in_group_p(make_kgid(&init_user_ns, oa->o_gid)) && !capable(CFS_CAP_FSETID)) @@ -173,7 +176,7 @@ static void iattr_from_obdo(struct iattr *attr, struct obdo *oa, u32 valid) } } -void md_from_obdo(struct md_op_data *op_data, struct obdo *oa, u32 valid) +void md_from_obdo(struct md_op_data *op_data, const struct obdo *oa, u32 valid) { iattr_from_obdo(&op_data->op_attr, oa, valid); if (valid & OBD_MD_FLBLOCKS) { diff --git a/drivers/staging/lustre/lustre/obdecho/echo_client.c b/drivers/staging/lustre/lustre/obdecho/echo_client.c index 5b29c4a44fe5..75271127ec39 100644 --- a/drivers/staging/lustre/lustre/obdecho/echo_client.c +++ b/drivers/staging/lustre/lustre/obdecho/echo_client.c @@ -41,6 +41,7 @@ #include "../include/cl_object.h" #include "../include/lustre_fid.h" #include "../include/lustre_acl.h" +#include "../include/lustre/lustre_ioctl.h" #include "../include/lustre_net.h" #include "echo_internal.h" @@ -1442,7 +1443,6 @@ static int echo_client_prep_commit(const struct lu_env *env, } ioo.ioo_bufcnt = npages; - oti->oti_transno = 0; lpages = npages; ret = obd_preprw(env, rw, exp, oa, 1, &ioo, rnb, &lpages, diff --git a/drivers/staging/lustre/lustre/obdecho/echo_internal.h b/drivers/staging/lustre/lustre/obdecho/echo_internal.h index f5034a253f6d..966414fd5424 100644 --- a/drivers/staging/lustre/lustre/obdecho/echo_internal.h +++ b/drivers/staging/lustre/lustre/obdecho/echo_internal.h @@ -33,9 +33,9 @@ /* The persistent object (i.e. actually stores stuff!) */ #define ECHO_PERSISTENT_OBJID 1ULL -#define ECHO_PERSISTENT_SIZE ((__u64)(1<<20)) +#define ECHO_PERSISTENT_SIZE ((__u64)(1 << 20)) /* block size to use for data verification */ -#define OBD_ECHO_BLOCK_SIZE (4<<10) +#define OBD_ECHO_BLOCK_SIZE (4 << 10) #endif diff --git a/drivers/staging/lustre/lustre/osc/lproc_osc.c b/drivers/staging/lustre/lustre/osc/lproc_osc.c index 7e83d395b998..9172b78ac00b 100644 --- a/drivers/staging/lustre/lustre/osc/lproc_osc.c +++ b/drivers/staging/lustre/lustre/osc/lproc_osc.c @@ -119,6 +119,7 @@ static ssize_t max_rpcs_in_flight_store(struct kobject *kobj, spin_lock(&cli->cl_loi_list_lock); cli->cl_max_rpcs_in_flight = val; + client_adjust_max_dirty(cli); spin_unlock(&cli->cl_loi_list_lock); return count; @@ -136,10 +137,10 @@ static ssize_t max_dirty_mb_show(struct kobject *kobj, int mult; spin_lock(&cli->cl_loi_list_lock); - val = cli->cl_dirty_max; + val = cli->cl_dirty_max_pages; spin_unlock(&cli->cl_loi_list_lock); - mult = 1 << 20; + mult = 1 << (20 - PAGE_SHIFT); return lprocfs_read_frac_helper(buf, PAGE_SIZE, val, mult); } @@ -166,7 +167,7 @@ static ssize_t max_dirty_mb_store(struct kobject *kobj, return -ERANGE; spin_lock(&cli->cl_loi_list_lock); - cli->cl_dirty_max = (u32)(pages_number << PAGE_SHIFT); + cli->cl_dirty_max_pages = pages_number; osc_wake_cache_waiters(cli); spin_unlock(&cli->cl_loi_list_lock); @@ -244,7 +245,7 @@ static ssize_t cur_dirty_bytes_show(struct kobject *kobj, int len; spin_lock(&cli->cl_loi_list_lock); - len = sprintf(buf, "%lu\n", cli->cl_dirty); + len = sprintf(buf, "%lu\n", cli->cl_dirty_pages << PAGE_SHIFT); spin_unlock(&cli->cl_loi_list_lock); return len; @@ -583,6 +584,7 @@ static ssize_t max_pages_per_rpc_store(struct kobject *kobj, } spin_lock(&cli->cl_loi_list_lock); cli->cl_max_pages_per_rpc = val; + client_adjust_max_dirty(cli); spin_unlock(&cli->cl_loi_list_lock); return count; diff --git a/drivers/staging/lustre/lustre/osc/osc_cache.c b/drivers/staging/lustre/lustre/osc/osc_cache.c index d011135802d5..97f936eada5d 100644 --- a/drivers/staging/lustre/lustre/osc/osc_cache.c +++ b/drivers/staging/lustre/lustre/osc/osc_cache.c @@ -958,8 +958,8 @@ static int osc_extent_wait(const struct lu_env *env, struct osc_extent *ext, rc = l_wait_event(ext->oe_waitq, extent_wait_cb(ext, state), &lwi); if (rc == -ETIMEDOUT) { OSC_EXTENT_DUMP(D_ERROR, ext, - "%s: wait ext to %d timedout, recovery in progress?\n", - osc_export(obj)->exp_obd->obd_name, state); + "%s: wait ext to %d timedout, recovery in progress?\n", + osc_export(obj)->exp_obd->obd_name, state); lwi = LWI_INTR(NULL, NULL); rc = l_wait_event(ext->oe_waitq, extent_wait_cb(ext, state), @@ -1384,13 +1384,11 @@ static int osc_completion(const struct lu_env *env, struct osc_async_page *oap, #define OSC_DUMP_GRANT(lvl, cli, fmt, args...) do { \ struct client_obd *__tmp = (cli); \ CDEBUG(lvl, "%s: grant { dirty: %ld/%ld dirty_pages: %d/%d " \ - "unstable_pages: %d/%d dropped: %ld avail: %ld, " \ - "reserved: %ld, flight: %d } lru {in list: %d, " \ - "left: %d, waiters: %d }" fmt, \ + "dropped: %ld avail: %ld, reserved: %ld, flight: %d }" \ + "lru {in list: %d, left: %d, waiters: %d }" fmt, \ __tmp->cl_import->imp_obd->obd_name, \ - __tmp->cl_dirty, __tmp->cl_dirty_max, \ + __tmp->cl_dirty_pages, __tmp->cl_dirty_max_pages, \ atomic_read(&obd_dirty_pages), obd_max_dirty_pages, \ - atomic_read(&obd_unstable_pages), obd_max_dirty_pages, \ __tmp->cl_lost_grant, __tmp->cl_avail_grant, \ __tmp->cl_reserved_grant, __tmp->cl_w_in_flight, \ atomic_read(&__tmp->cl_lru_in_list), \ @@ -1405,7 +1403,7 @@ static void osc_consume_write_grant(struct client_obd *cli, assert_spin_locked(&cli->cl_loi_list_lock); LASSERT(!(pga->flag & OBD_BRW_FROM_GRANT)); atomic_inc(&obd_dirty_pages); - cli->cl_dirty += PAGE_SIZE; + cli->cl_dirty_pages++; pga->flag |= OBD_BRW_FROM_GRANT; CDEBUG(D_CACHE, "using %lu grant credits for brw %p page %p\n", PAGE_SIZE, pga, pga->pg); @@ -1425,11 +1423,11 @@ static void osc_release_write_grant(struct client_obd *cli, pga->flag &= ~OBD_BRW_FROM_GRANT; atomic_dec(&obd_dirty_pages); - cli->cl_dirty -= PAGE_SIZE; + cli->cl_dirty_pages--; if (pga->flag & OBD_BRW_NOCACHE) { pga->flag &= ~OBD_BRW_NOCACHE; atomic_dec(&obd_dirty_transit_pages); - cli->cl_dirty_transit -= PAGE_SIZE; + cli->cl_dirty_transit--; } } @@ -1498,7 +1496,7 @@ static void osc_free_grant(struct client_obd *cli, unsigned int nr_pages, spin_lock(&cli->cl_loi_list_lock); atomic_sub(nr_pages, &obd_dirty_pages); - cli->cl_dirty -= nr_pages << PAGE_SHIFT; + cli->cl_dirty_pages -= nr_pages; cli->cl_lost_grant += lost_grant; if (cli->cl_avail_grant < grant && cli->cl_lost_grant >= grant) { /* borrow some grant from truncate to avoid the case that @@ -1511,7 +1509,7 @@ static void osc_free_grant(struct client_obd *cli, unsigned int nr_pages, spin_unlock(&cli->cl_loi_list_lock); CDEBUG(D_CACHE, "lost %u grant: %lu avail: %lu dirty: %lu\n", lost_grant, cli->cl_lost_grant, - cli->cl_avail_grant, cli->cl_dirty); + cli->cl_avail_grant, cli->cl_dirty_pages << PAGE_SHIFT); } /** @@ -1541,12 +1539,11 @@ static int osc_enter_cache_try(struct client_obd *cli, if (rc < 0) return 0; - if (cli->cl_dirty + PAGE_SIZE <= cli->cl_dirty_max && - atomic_read(&obd_unstable_pages) + 1 + - atomic_read(&obd_dirty_pages) <= obd_max_dirty_pages) { + if (cli->cl_dirty_pages <= cli->cl_dirty_max_pages && + atomic_read(&obd_dirty_pages) + 1 <= obd_max_dirty_pages) { osc_consume_write_grant(cli, &oap->oap_brw_page); if (transient) { - cli->cl_dirty_transit += PAGE_SIZE; + cli->cl_dirty_transit++; atomic_inc(&obd_dirty_transit_pages); oap->oap_brw_flags |= OBD_BRW_NOCACHE; } @@ -1593,8 +1590,8 @@ static int osc_enter_cache(const struct lu_env *env, struct client_obd *cli, * of queued writes and create a discontiguous rpc stream */ if (OBD_FAIL_CHECK(OBD_FAIL_OSC_NO_GRANT) || - cli->cl_dirty_max < PAGE_SIZE || - cli->cl_ar.ar_force_sync || loi->loi_ar.ar_force_sync) { + !cli->cl_dirty_max_pages || cli->cl_ar.ar_force_sync || + loi->loi_ar.ar_force_sync) { rc = -EDQUOT; goto out; } @@ -1615,7 +1612,7 @@ static int osc_enter_cache(const struct lu_env *env, struct client_obd *cli, init_waitqueue_head(&ocw.ocw_waitq); ocw.ocw_oap = oap; ocw.ocw_grant = bytes; - while (cli->cl_dirty > 0 || cli->cl_w_in_flight > 0) { + while (cli->cl_dirty_pages > 0 || cli->cl_w_in_flight > 0) { list_add_tail(&ocw.ocw_entry, &cli->cl_cache_waiters); ocw.ocw_rc = 0; spin_unlock(&cli->cl_loi_list_lock); @@ -1670,12 +1667,11 @@ void osc_wake_cache_waiters(struct client_obd *cli) ocw->ocw_rc = -EDQUOT; /* we can't dirty more */ - if ((cli->cl_dirty + PAGE_SIZE > cli->cl_dirty_max) || - (atomic_read(&obd_unstable_pages) + 1 + - atomic_read(&obd_dirty_pages) > obd_max_dirty_pages)) { + if ((cli->cl_dirty_pages > cli->cl_dirty_max_pages) || + (atomic_read(&obd_dirty_pages) + 1 > obd_max_dirty_pages)) { CDEBUG(D_CACHE, "no dirty room: dirty: %ld osc max %ld, sys max %d\n", - cli->cl_dirty, - cli->cl_dirty_max, obd_max_dirty_pages); + cli->cl_dirty_pages, cli->cl_dirty_max_pages, + obd_max_dirty_pages); goto wakeup; } @@ -1843,97 +1839,6 @@ static void osc_process_ar(struct osc_async_rc *ar, __u64 xid, ar->ar_force_sync = 0; } -/** - * Performs "unstable" page accounting. This function balances the - * increment operations performed in osc_inc_unstable_pages. It is - * registered as the RPC request callback, and is executed when the - * bulk RPC is committed on the server. Thus at this point, the pages - * involved in the bulk transfer are no longer considered unstable. - */ -void osc_dec_unstable_pages(struct ptlrpc_request *req) -{ - struct client_obd *cli = &req->rq_import->imp_obd->u.cli; - struct ptlrpc_bulk_desc *desc = req->rq_bulk; - int page_count = desc->bd_iov_count; - int i; - - /* No unstable page tracking */ - if (!cli->cl_cache) - return; - - LASSERT(page_count >= 0); - - for (i = 0; i < page_count; i++) - dec_node_page_state(desc->bd_iov[i].kiov_page, - NR_UNSTABLE_NFS); - - atomic_sub(page_count, &cli->cl_cache->ccc_unstable_nr); - LASSERT(atomic_read(&cli->cl_cache->ccc_unstable_nr) >= 0); - - atomic_sub(page_count, &cli->cl_unstable_count); - LASSERT(atomic_read(&cli->cl_unstable_count) >= 0); - - atomic_sub(page_count, &obd_unstable_pages); - LASSERT(atomic_read(&obd_unstable_pages) >= 0); - - spin_lock(&req->rq_lock); - req->rq_committed = 1; - req->rq_unstable = 0; - spin_unlock(&req->rq_lock); - - wake_up_all(&cli->cl_cache->ccc_unstable_waitq); -} - -/* "unstable" page accounting. See: osc_dec_unstable_pages. */ -void osc_inc_unstable_pages(struct ptlrpc_request *req) -{ - struct client_obd *cli = &req->rq_import->imp_obd->u.cli; - struct ptlrpc_bulk_desc *desc = req->rq_bulk; - long page_count = desc->bd_iov_count; - int i; - - /* No unstable page tracking */ - if (!cli->cl_cache) - return; - - LASSERT(page_count >= 0); - - for (i = 0; i < page_count; i++) - inc_node_page_state(desc->bd_iov[i].kiov_page, - NR_UNSTABLE_NFS); - - LASSERT(atomic_read(&cli->cl_cache->ccc_unstable_nr) >= 0); - atomic_add(page_count, &cli->cl_cache->ccc_unstable_nr); - - LASSERT(atomic_read(&cli->cl_unstable_count) >= 0); - atomic_add(page_count, &cli->cl_unstable_count); - - LASSERT(atomic_read(&obd_unstable_pages) >= 0); - atomic_add(page_count, &obd_unstable_pages); - - spin_lock(&req->rq_lock); - - /* - * If the request has already been committed (i.e. brw_commit - * called via rq_commit_cb), we need to undo the unstable page - * increments we just performed because rq_commit_cb wont be - * called again. Otherwise, just set the commit callback so the - * unstable page accounting is properly updated when the request - * is committed - */ - if (req->rq_committed) { - /* Drop lock before calling osc_dec_unstable_pages */ - spin_unlock(&req->rq_lock); - osc_dec_unstable_pages(req); - spin_lock(&req->rq_lock); - } else { - req->rq_unstable = 1; - req->rq_commit_cb = osc_dec_unstable_pages; - } - - spin_unlock(&req->rq_lock); -} - /* this must be called holding the loi list lock to give coverage to exit_cache, * async_flag maintenance, and oap_request */ @@ -1945,9 +1850,6 @@ static void osc_ap_completion(const struct lu_env *env, struct client_obd *cli, __u64 xid = 0; if (oap->oap_request) { - if (!rc) - osc_inc_unstable_pages(oap->oap_request); - xid = ptlrpc_req_xid(oap->oap_request); ptlrpc_req_finished(oap->oap_request); oap->oap_request = NULL; @@ -2434,9 +2336,6 @@ int osc_queue_async_io(const struct lu_env *env, struct cl_io *io, return rc; } - if (osc_over_unstable_soft_limit(cli)) - brw_flags |= OBD_BRW_SOFT_SYNC; - oap->oap_cmd = cmd; oap->oap_page_off = ops->ops_from; oap->oap_count = ops->ops_to - ops->ops_from; @@ -2645,7 +2544,7 @@ int osc_flush_async_page(const struct lu_env *env, struct cl_io *io, goto out; spin_lock(&oap->oap_lock); - oap->oap_async_flags |= ASYNC_READY|ASYNC_URGENT; + oap->oap_async_flags |= ASYNC_READY | ASYNC_URGENT; spin_unlock(&oap->oap_lock); if (memory_pressure_get()) diff --git a/drivers/staging/lustre/lustre/osc/osc_cl_internal.h b/drivers/staging/lustre/lustre/osc/osc_cl_internal.h index c8c3f1ca77be..d41680b52095 100644 --- a/drivers/staging/lustre/lustre/osc/osc_cl_internal.h +++ b/drivers/staging/lustre/lustre/osc/osc_cl_internal.h @@ -389,7 +389,7 @@ extern struct lu_device_type osc_device_type; extern struct lu_context_key osc_key; extern struct lu_context_key osc_session_key; -#define OSC_FLAGS (ASYNC_URGENT|ASYNC_READY) +#define OSC_FLAGS (ASYNC_URGENT | ASYNC_READY) int osc_lock_init(const struct lu_env *env, struct cl_object *obj, struct cl_lock *lock, diff --git a/drivers/staging/lustre/lustre/osc/osc_internal.h b/drivers/staging/lustre/lustre/osc/osc_internal.h index 7a27f0961955..eca5feffbec5 100644 --- a/drivers/staging/lustre/lustre/osc/osc_internal.h +++ b/drivers/staging/lustre/lustre/osc/osc_internal.h @@ -71,7 +71,6 @@ struct osc_async_page { struct client_obd *oap_cli; struct osc_object *oap_obj; - struct ldlm_lock *oap_ldlm_lock; spinlock_t oap_lock; }; @@ -198,7 +197,7 @@ int osc_quotacheck(struct obd_device *unused, struct obd_export *exp, int osc_quota_poll_check(struct obd_export *exp, struct if_quotacheck *qchk); void osc_inc_unstable_pages(struct ptlrpc_request *req); void osc_dec_unstable_pages(struct ptlrpc_request *req); -int osc_over_unstable_soft_limit(struct client_obd *cli); +bool osc_over_unstable_soft_limit(struct client_obd *cli); struct ldlm_lock *osc_dlmlock_at_pgoff(const struct lu_env *env, struct osc_object *obj, pgoff_t index, diff --git a/drivers/staging/lustre/lustre/osc/osc_io.c b/drivers/staging/lustre/lustre/osc/osc_io.c index 6e3dcd38913f..f6db60c54ab1 100644 --- a/drivers/staging/lustre/lustre/osc/osc_io.c +++ b/drivers/staging/lustre/lustre/osc/osc_io.c @@ -163,14 +163,19 @@ static int osc_io_submit(const struct lu_env *env, continue; } - cl_page_list_move(qout, qin, page); spin_lock(&oap->oap_lock); - oap->oap_async_flags = ASYNC_URGENT|ASYNC_READY; + oap->oap_async_flags = ASYNC_URGENT | ASYNC_READY; oap->oap_async_flags |= ASYNC_COUNT_STABLE; spin_unlock(&oap->oap_lock); osc_page_submit(env, opg, crt, brw_flags); list_add_tail(&oap->oap_pending_item, &list); + + if (page->cp_sync_io) + cl_page_list_move(qout, qin, page); + else /* async IO */ + cl_page_list_del(env, qin, page); + if (++queued == max_pages) { queued = 0; result = osc_queue_sync_pages(env, osc, &list, cmd, diff --git a/drivers/staging/lustre/lustre/osc/osc_page.c b/drivers/staging/lustre/lustre/osc/osc_page.c index 355f496a2093..c8889eabc402 100644 --- a/drivers/staging/lustre/lustre/osc/osc_page.c +++ b/drivers/staging/lustre/lustre/osc/osc_page.c @@ -323,32 +323,6 @@ int osc_page_init(const struct lu_env *env, struct cl_object *obj, return result; } -int osc_over_unstable_soft_limit(struct client_obd *cli) -{ - long obd_upages, obd_dpages, osc_upages; - - /* Can't check cli->cl_unstable_count, therefore, no soft limit */ - if (!cli) - return 0; - - obd_upages = atomic_read(&obd_unstable_pages); - obd_dpages = atomic_read(&obd_dirty_pages); - - osc_upages = atomic_read(&cli->cl_unstable_count); - - /* - * obd_max_dirty_pages is the max number of (dirty + unstable) - * pages allowed at any given time. To simulate an unstable page - * only limit, we subtract the current number of dirty pages - * from this max. This difference is roughly the amount of pages - * currently available for unstable pages. Thus, the soft limit - * is half of that difference. Check osc_upages to ensure we don't - * set SOFT_SYNC for OSCs without any outstanding unstable pages. - */ - return osc_upages && - obd_upages >= (obd_max_dirty_pages - obd_dpages) / 2; -} - /** * Helper function called by osc_io_submit() for every page in an immediate * transfer (i.e., transferred synchronously). @@ -368,9 +342,6 @@ void osc_page_submit(const struct lu_env *env, struct osc_page *opg, oap->oap_count = opg->ops_to - opg->ops_from; oap->oap_brw_flags = brw_flags | OBD_BRW_SYNC; - if (osc_over_unstable_soft_limit(oap->oap_cli)) - oap->oap_brw_flags |= OBD_BRW_SOFT_SYNC; - if (capable(CFS_CAP_SYS_RESOURCE)) { oap->oap_brw_flags |= OBD_BRW_NOQUOTA; oap->oap_cmd |= OBD_BRW_NOQUOTA; @@ -540,6 +511,28 @@ static void discard_pagevec(const struct lu_env *env, struct cl_io *io, } /** + * Check if a cl_page can be released, i.e, it's not being used. + * + * If unstable account is turned on, bulk transfer may hold one refcount + * for recovery so we need to check vmpage refcount as well; otherwise, + * even we can destroy cl_page but the corresponding vmpage can't be reused. + */ +static inline bool lru_page_busy(struct client_obd *cli, struct cl_page *page) +{ + if (cl_page_in_use_noref(page)) + return true; + + if (cli->cl_cache->ccc_unstable_check) { + struct page *vmpage = cl_page_vmpage(page); + + /* vmpage have two known users: cl_page and VM page cache */ + if (page_count(vmpage) - page_mapcount(vmpage) > 2) + return true; + } + return false; +} + +/** * Drop @target of pages from LRU at most. */ int osc_lru_shrink(const struct lu_env *env, struct client_obd *cli, @@ -584,7 +577,7 @@ int osc_lru_shrink(const struct lu_env *env, struct client_obd *cli, break; page = opg->ops_cl.cpl_page; - if (cl_page_in_use_noref(page)) { + if (lru_page_busy(cli, page)) { list_move_tail(&opg->ops_lru, &cli->cl_lru_list); continue; } @@ -620,7 +613,7 @@ int osc_lru_shrink(const struct lu_env *env, struct client_obd *cli, } if (cl_page_own_try(env, io, page) == 0) { - if (!cl_page_in_use_noref(page)) { + if (!lru_page_busy(cli, page)) { /* remove it from lru list earlier to avoid * lock contention */ @@ -742,6 +735,13 @@ out: return rc; } +/** + * osc_lru_reserve() is called to reserve an LRU slot for a cl_page. + * + * Usually the LRU slots are reserved in osc_io_iter_rw_init(). + * Only in the case that the LRU slots are in extreme shortage, it should + * have reserved enough slots for an IO. + */ static int osc_lru_reserve(const struct lu_env *env, struct osc_object *obj, struct osc_page *opg) { @@ -787,4 +787,150 @@ out: return rc; } +/** + * Atomic operations are expensive. We accumulate the accounting for the + * same page pgdat to get better performance. + * In practice this can work pretty good because the pages in the same RPC + * are likely from the same page zone. + */ +static inline void unstable_page_accounting(struct ptlrpc_bulk_desc *desc, + int factor) +{ + int page_count = desc->bd_iov_count; + pg_data_t *last = NULL; + int count = 0; + int i; + + for (i = 0; i < page_count; i++) { + pg_data_t *pgdat = page_pgdat(desc->bd_iov[i].bv_page); + + if (likely(pgdat == last)) { + ++count; + continue; + } + + if (count > 0) { + mod_node_page_state(pgdat, NR_UNSTABLE_NFS, + factor * count); + count = 0; + } + last = pgdat; + ++count; + } + if (count > 0) + mod_node_page_state(last, NR_UNSTABLE_NFS, factor * count); +} + +static inline void add_unstable_page_accounting(struct ptlrpc_bulk_desc *desc) +{ + unstable_page_accounting(desc, 1); +} + +static inline void dec_unstable_page_accounting(struct ptlrpc_bulk_desc *desc) +{ + unstable_page_accounting(desc, -1); +} + +/** + * Performs "unstable" page accounting. This function balances the + * increment operations performed in osc_inc_unstable_pages. It is + * registered as the RPC request callback, and is executed when the + * bulk RPC is committed on the server. Thus at this point, the pages + * involved in the bulk transfer are no longer considered unstable. + * + * If this function is called, the request should have been committed + * or req:rq_unstable must have been set; it implies that the unstable + * statistic have been added. + */ +void osc_dec_unstable_pages(struct ptlrpc_request *req) +{ + struct client_obd *cli = &req->rq_import->imp_obd->u.cli; + struct ptlrpc_bulk_desc *desc = req->rq_bulk; + int page_count = desc->bd_iov_count; + int unstable_count; + + LASSERT(page_count >= 0); + dec_unstable_page_accounting(desc); + + unstable_count = atomic_sub_return(page_count, &cli->cl_unstable_count); + LASSERT(unstable_count >= 0); + + unstable_count = atomic_sub_return(page_count, + &cli->cl_cache->ccc_unstable_nr); + LASSERT(unstable_count >= 0); + if (!unstable_count) + wake_up_all(&cli->cl_cache->ccc_unstable_waitq); + + if (osc_cache_too_much(cli)) + (void)ptlrpcd_queue_work(cli->cl_lru_work); +} + +/** + * "unstable" page accounting. See: osc_dec_unstable_pages. + */ +void osc_inc_unstable_pages(struct ptlrpc_request *req) +{ + struct client_obd *cli = &req->rq_import->imp_obd->u.cli; + struct ptlrpc_bulk_desc *desc = req->rq_bulk; + int page_count = desc->bd_iov_count; + + /* No unstable page tracking */ + if (!cli->cl_cache || !cli->cl_cache->ccc_unstable_check) + return; + + add_unstable_page_accounting(desc); + atomic_add(page_count, &cli->cl_unstable_count); + atomic_add(page_count, &cli->cl_cache->ccc_unstable_nr); + + /* + * If the request has already been committed (i.e. brw_commit + * called via rq_commit_cb), we need to undo the unstable page + * increments we just performed because rq_commit_cb wont be + * called again. + */ + spin_lock(&req->rq_lock); + if (unlikely(req->rq_committed)) { + spin_unlock(&req->rq_lock); + + osc_dec_unstable_pages(req); + } else { + req->rq_unstable = 1; + spin_unlock(&req->rq_lock); + } +} + +/** + * Check if it piggybacks SOFT_SYNC flag to OST from this OSC. + * This function will be called by every BRW RPC so it's critical + * to make this function fast. + */ +bool osc_over_unstable_soft_limit(struct client_obd *cli) +{ + long unstable_nr, osc_unstable_count; + + /* Can't check cli->cl_unstable_count, therefore, no soft limit */ + if (!cli->cl_cache || !cli->cl_cache->ccc_unstable_check) + return false; + + osc_unstable_count = atomic_read(&cli->cl_unstable_count); + unstable_nr = atomic_read(&cli->cl_cache->ccc_unstable_nr); + + CDEBUG(D_CACHE, + "%s: cli: %p unstable pages: %lu, osc unstable pages: %lu\n", + cli->cl_import->imp_obd->obd_name, cli, + unstable_nr, osc_unstable_count); + + /* + * If the LRU slots are in shortage - 25% remaining AND this OSC + * has one full RPC window of unstable pages, it's a good chance + * to piggyback a SOFT_SYNC flag. + * Please notice that the OST won't take immediate response for the + * SOFT_SYNC request so active OSCs will have more chance to carry + * the flag, this is reasonable. + */ + return unstable_nr > cli->cl_cache->ccc_lru_max >> 2 && + osc_unstable_count > cli->cl_max_pages_per_rpc * + cli->cl_max_rpcs_in_flight; +} + /** @} osc */ diff --git a/drivers/staging/lustre/lustre/osc/osc_request.c b/drivers/staging/lustre/lustre/osc/osc_request.c index 536b868ff776..bdb329d72ab8 100644 --- a/drivers/staging/lustre/lustre/osc/osc_request.c +++ b/drivers/staging/lustre/lustre/osc/osc_request.c @@ -41,6 +41,7 @@ #include "../include/lustre_ha.h" #include "../include/lprocfs_status.h" +#include "../include/lustre/lustre_ioctl.h" #include "../include/lustre_debug.h" #include "../include/lustre_param.h" #include "../include/lustre_fid.h" @@ -497,14 +498,10 @@ static int osc_real_create(struct obd_export *exp, struct obdo *oa, lsm->lsm_oi = oa->o_oi; *ea = lsm; - if (oti) { - oti->oti_transno = lustre_msg_get_transno(req->rq_repmsg); - - if (oa->o_valid & OBD_MD_FLCOOKIE) { - if (!oti->oti_logcookies) - oti_alloc_cookies(oti, 1); - *oti->oti_logcookies = oa->o_lcookie; - } + if (oti && oa->o_valid & OBD_MD_FLCOOKIE) { + if (!oti->oti_logcookies) + oti->oti_logcookies = &oti->oti_onecookie; + *oti->oti_logcookies = oa->o_lcookie; } CDEBUG(D_HA, "transno: %lld\n", @@ -649,7 +646,7 @@ static int osc_resource_get_unused(struct obd_export *exp, struct obdo *oa, ostid_build_res_name(&oa->o_oi, &res_id); res = ldlm_resource_get(ns, NULL, &res_id, 0, 0); - if (!res) + if (IS_ERR(res)) return 0; LDLM_RESOURCE_ADDREF(res); @@ -794,42 +791,43 @@ static int osc_destroy(const struct lu_env *env, struct obd_export *exp, static void osc_announce_cached(struct client_obd *cli, struct obdo *oa, long writing_bytes) { - u32 bits = OBD_MD_FLBLOCKS|OBD_MD_FLGRANT; + u32 bits = OBD_MD_FLBLOCKS | OBD_MD_FLGRANT; LASSERT(!(oa->o_valid & bits)); oa->o_valid |= bits; spin_lock(&cli->cl_loi_list_lock); - oa->o_dirty = cli->cl_dirty; - if (unlikely(cli->cl_dirty - cli->cl_dirty_transit > - cli->cl_dirty_max)) { + oa->o_dirty = cli->cl_dirty_pages << PAGE_SHIFT; + if (unlikely(cli->cl_dirty_pages - cli->cl_dirty_transit > + cli->cl_dirty_max_pages)) { CERROR("dirty %lu - %lu > dirty_max %lu\n", - cli->cl_dirty, cli->cl_dirty_transit, cli->cl_dirty_max); + cli->cl_dirty_pages, cli->cl_dirty_transit, + cli->cl_dirty_max_pages); oa->o_undirty = 0; - } else if (unlikely(atomic_read(&obd_unstable_pages) + - atomic_read(&obd_dirty_pages) - + } else if (unlikely(atomic_read(&obd_dirty_pages) - atomic_read(&obd_dirty_transit_pages) > (long)(obd_max_dirty_pages + 1))) { /* The atomic_read() allowing the atomic_inc() are * not covered by a lock thus they may safely race and trip * this CERROR() unless we add in a small fudge factor (+1). */ - CERROR("%s: dirty %d + %d - %d > system dirty_max %d\n", + CERROR("%s: dirty %d + %d > system dirty_max %d\n", cli->cl_import->imp_obd->obd_name, - atomic_read(&obd_unstable_pages), atomic_read(&obd_dirty_pages), atomic_read(&obd_dirty_transit_pages), obd_max_dirty_pages); oa->o_undirty = 0; - } else if (unlikely(cli->cl_dirty_max - cli->cl_dirty > 0x7fffffff)) { + } else if (unlikely(cli->cl_dirty_max_pages - cli->cl_dirty_pages > + 0x7fffffff)) { CERROR("dirty %lu - dirty_max %lu too big???\n", - cli->cl_dirty, cli->cl_dirty_max); + cli->cl_dirty_pages, cli->cl_dirty_max_pages); oa->o_undirty = 0; } else { long max_in_flight = (cli->cl_max_pages_per_rpc << - PAGE_SHIFT)* + PAGE_SHIFT) * (cli->cl_max_rpcs_in_flight + 1); - oa->o_undirty = max(cli->cl_dirty_max, max_in_flight); + oa->o_undirty = max(cli->cl_dirty_max_pages << PAGE_SHIFT, + max_in_flight); } oa->o_grant = cli->cl_avail_grant + cli->cl_reserved_grant; oa->o_dropped = cli->cl_lost_grant; @@ -1029,22 +1027,24 @@ static void osc_init_grant(struct client_obd *cli, struct obd_connect_data *ocd) { /* * ocd_grant is the total grant amount we're expect to hold: if we've - * been evicted, it's the new avail_grant amount, cl_dirty will drop - * to 0 as inflight RPCs fail out; otherwise, it's avail_grant + dirty. + * been evicted, it's the new avail_grant amount, cl_dirty_pages will + * drop to 0 as inflight RPCs fail out; otherwise, it's avail_grant + + * dirty. * * race is tolerable here: if we're evicted, but imp_state already - * left EVICTED state, then cl_dirty must be 0 already. + * left EVICTED state, then cl_dirty_pages must be 0 already. */ spin_lock(&cli->cl_loi_list_lock); if (cli->cl_import->imp_state == LUSTRE_IMP_EVICTED) cli->cl_avail_grant = ocd->ocd_grant; else - cli->cl_avail_grant = ocd->ocd_grant - cli->cl_dirty; + cli->cl_avail_grant = ocd->ocd_grant - + (cli->cl_dirty_pages << PAGE_SHIFT); if (cli->cl_avail_grant < 0) { CWARN("%s: available grant < 0: avail/ocd/dirty %ld/%u/%ld\n", cli->cl_import->imp_obd->obd_name, cli->cl_avail_grant, - ocd->ocd_grant, cli->cl_dirty); + ocd->ocd_grant, cli->cl_dirty_pages << PAGE_SHIFT); /* workaround for servers which do not have the patch from * LU-2679 */ @@ -1463,7 +1463,8 @@ static int check_write_checksum(struct obdo *oa, const lnet_process_id_t *peer, oa->o_valid & OBD_MD_FLFID ? oa->o_parent_oid : 0, oa->o_valid & OBD_MD_FLFID ? oa->o_parent_ver : 0, POSTID(&oa->o_oi), pga[0]->off, - pga[page_count-1]->off + pga[page_count-1]->count - 1); + pga[page_count - 1]->off + + pga[page_count - 1]->count - 1); CERROR("original client csum %x (type %x), server csum %x (type %x), client csum now %x\n", client_cksum, client_cksum_type, server_cksum, cksum_type, new_cksum); @@ -1565,7 +1566,8 @@ static int osc_brw_fini_request(struct ptlrpc_request *req, int rc) char *router = ""; enum cksum_type cksum_type; - cksum_type = cksum_type_unpack(body->oa.o_valid&OBD_MD_FLFLAGS ? + cksum_type = cksum_type_unpack(body->oa.o_valid & + OBD_MD_FLFLAGS ? body->oa.o_flags : 0); client_cksum = osc_checksum_bulk(rc, aa->aa_page_count, aa->aa_ppga, OST_READ, @@ -1817,6 +1819,9 @@ static int brw_interpret(const struct lu_env *env, } kmem_cache_free(obdo_cachep, aa->aa_oa); + if (lustre_msg_get_opc(req->rq_reqmsg) == OST_WRITE && rc == 0) + osc_inc_unstable_pages(req); + list_for_each_entry_safe(ext, tmp, &aa->aa_exts, oe_link) { list_del_init(&ext->oe_link); osc_extent_finish(env, ext, 1, rc); @@ -1847,21 +1852,21 @@ static int brw_interpret(const struct lu_env *env, static void brw_commit(struct ptlrpc_request *req) { - spin_lock(&req->rq_lock); /* * If osc_inc_unstable_pages (via osc_extent_finish) races with * this called via the rq_commit_cb, I need to ensure * osc_dec_unstable_pages is still called. Otherwise unstable * pages may be leaked. */ - if (req->rq_unstable) { + spin_lock(&req->rq_lock); + if (unlikely(req->rq_unstable)) { + req->rq_unstable = 0; spin_unlock(&req->rq_lock); osc_dec_unstable_pages(req); - spin_lock(&req->rq_lock); } else { req->rq_committed = 1; + spin_unlock(&req->rq_lock); } - spin_unlock(&req->rq_lock); } /** @@ -1881,13 +1886,13 @@ int osc_build_rpc(const struct lu_env *env, struct client_obd *cli, struct osc_async_page *tmp; struct cl_req *clerq = NULL; enum cl_req_type crt = (cmd & OBD_BRW_WRITE) ? CRT_WRITE : CRT_READ; - struct ldlm_lock *lock = NULL; struct cl_req_attr *crattr = NULL; u64 starting_offset = OBD_OBJECT_EOF; u64 ending_offset = 0; int mpflag = 0; int mem_tight = 0; int page_count = 0; + bool soft_sync = false; int i; int rc; struct ost_body *body; @@ -1915,6 +1920,7 @@ int osc_build_rpc(const struct lu_env *env, struct client_obd *cli, } } + soft_sync = osc_over_unstable_soft_limit(cli); if (mem_tight) mpflag = cfs_memory_pressure_get_and_set(); @@ -1947,10 +1953,11 @@ int osc_build_rpc(const struct lu_env *env, struct client_obd *cli, rc = PTR_ERR(clerq); goto out; } - lock = oap->oap_ldlm_lock; } if (mem_tight) oap->oap_brw_flags |= OBD_BRW_MEMALLOC; + if (soft_sync) + oap->oap_brw_flags |= OBD_BRW_SOFT_SYNC; pga[i] = &oap->oap_brw_page; pga[i]->off = oap->oap_obj_off + oap->oap_page_off; CDEBUG(0, "put page %p index %lu oap %p flg %x to pga\n", @@ -1964,10 +1971,6 @@ int osc_build_rpc(const struct lu_env *env, struct client_obd *cli, LASSERT(clerq); crattr->cra_oa = oa; cl_req_attr_set(env, clerq, crattr, ~0ULL); - if (lock) { - oa->o_handle = lock->l_remote_handle; - oa->o_valid |= OBD_MD_FLHANDLE; - } rc = cl_req_prep(env, clerq); if (rc != 0) { @@ -1998,7 +2001,7 @@ int osc_build_rpc(const struct lu_env *env, struct client_obd *cli, body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY); crattr->cra_oa = &body->oa; cl_req_attr_set(env, clerq, crattr, - OBD_MD_FLMTIME|OBD_MD_FLCTIME|OBD_MD_FLATIME); + OBD_MD_FLMTIME | OBD_MD_FLCTIME | OBD_MD_FLATIME); lustre_msg_set_jobid(req->rq_reqmsg, crattr->cra_jobid); @@ -2116,27 +2119,6 @@ static int osc_set_data_with_check(struct lustre_handle *lockh, return set; } -/* find any ldlm lock of the inode in osc - * return 0 not find - * 1 find one - * < 0 error - */ -static int osc_find_cbdata(struct obd_export *exp, struct lov_stripe_md *lsm, - ldlm_iterator_t replace, void *data) -{ - struct ldlm_res_id res_id; - struct obd_device *obd = class_exp2obd(exp); - int rc = 0; - - ostid_build_res_name(&lsm->lsm_oi, &res_id); - rc = ldlm_resource_iterate(obd->obd_namespace, &res_id, replace, data); - if (rc == LDLM_ITER_STOP) - return 1; - if (rc == LDLM_ITER_CONTINUE) - return 0; - return rc; -} - static int osc_enqueue_fini(struct ptlrpc_request *req, osc_enqueue_upcall_f upcall, void *cookie, struct lustre_handle *lockh, enum ldlm_mode mode, @@ -2632,7 +2614,7 @@ static int osc_getstripe(struct lov_stripe_md *lsm, lmm_objects = &(((struct lov_user_md_v1 *)lumk)->lmm_objects[0]); else - lmm_objects = &(lumk->lmm_objects[0]); + lmm_objects = &lumk->lmm_objects[0]; lmm_objects->l_ost_oi = lsm->lsm_oi; } else { lum_size = lov_mds_md_size(0, lum.lmm_magic); @@ -3014,8 +2996,9 @@ static int osc_reconnect(const struct lu_env *env, long lost_grant; spin_lock(&cli->cl_loi_list_lock); - data->ocd_grant = (cli->cl_avail_grant + cli->cl_dirty) ?: - 2 * cli_brw_size(obd); + data->ocd_grant = (cli->cl_avail_grant + + (cli->cl_dirty_pages << PAGE_SHIFT)) ?: + 2 * cli_brw_size(obd); lost_grant = cli->cl_lost_grant; cli->cl_lost_grant = 0; spin_unlock(&cli->cl_loi_list_lock); @@ -3354,7 +3337,6 @@ static struct obd_ops osc_obd_ops = { .getattr_async = osc_getattr_async, .setattr = osc_setattr, .setattr_async = osc_setattr_async, - .find_cbdata = osc_find_cbdata, .iocontrol = osc_iocontrol, .get_info = osc_get_info, .set_info_async = osc_set_info_async, diff --git a/drivers/staging/lustre/lustre/ptlrpc/client.c b/drivers/staging/lustre/lustre/ptlrpc/client.c index d4463d7c81d2..bae91bdb5302 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/client.c +++ b/drivers/staging/lustre/lustre/ptlrpc/client.c @@ -202,7 +202,7 @@ void __ptlrpc_free_bulk(struct ptlrpc_bulk_desc *desc, int unpin) if (unpin) { for (i = 0; i < desc->bd_iov_count; i++) - put_page(desc->bd_iov[i].kiov_page); + put_page(desc->bd_iov[i].bv_page); } kfree(desc); @@ -385,10 +385,12 @@ static int ptlrpc_at_recv_early_reply(struct ptlrpc_request *req) spin_lock(&req->rq_lock); olddl = req->rq_deadline; /* - * server assumes it now has rq_timeout from when it sent the - * early reply, so client should give it at least that long. + * server assumes it now has rq_timeout from when the request + * arrived, so the client should give it at least that long. + * since we don't know the arrival time we'll use the original + * sent time */ - req->rq_deadline = ktime_get_real_seconds() + req->rq_timeout + + req->rq_deadline = req->rq_sent + req->rq_timeout + ptlrpc_at_get_net_latency(req); DEBUG_REQ(D_ADAPTTO, req, @@ -1628,8 +1630,10 @@ int ptlrpc_check_set(const struct lu_env *env, struct ptlrpc_request_set *set) req->rq_waiting || req->rq_wait_ctx) { int status; - if (!ptlrpc_unregister_reply(req, 1)) + if (!ptlrpc_unregister_reply(req, 1)) { + ptlrpc_unregister_bulk(req, 1); continue; + } spin_lock(&imp->imp_lock); if (ptlrpc_import_delay_req(imp, req, diff --git a/drivers/staging/lustre/lustre/ptlrpc/import.c b/drivers/staging/lustre/lustre/ptlrpc/import.c index 3292e6ea0102..93b1e78abed4 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/import.c +++ b/drivers/staging/lustre/lustre/ptlrpc/import.c @@ -307,7 +307,8 @@ void ptlrpc_invalidate_import(struct obd_import *imp) */ lwi = LWI_TIMEOUT_INTERVAL( cfs_timeout_cap(cfs_time_seconds(timeout)), - (timeout > 1)?cfs_time_seconds(1):cfs_time_seconds(1)/2, + (timeout > 1) ? cfs_time_seconds(1) : + cfs_time_seconds(1) / 2, NULL, NULL); rc = l_wait_event(imp->imp_recovery_waitq, (atomic_read(&imp->imp_inflight) == 0), @@ -698,7 +699,8 @@ int ptlrpc_connect_import(struct obd_import *imp) request->rq_send_state = LUSTRE_IMP_CONNECTING; /* Allow a slightly larger reply for future growth compatibility */ req_capsule_set_size(&request->rq_pill, &RMF_CONNECT_DATA, RCL_SERVER, - sizeof(struct obd_connect_data)+16*sizeof(__u64)); + sizeof(struct obd_connect_data) + + 16 * sizeof(__u64)); ptlrpc_request_set_replen(request); request->rq_interpret_reply = ptlrpc_connect_interpret; @@ -1132,6 +1134,7 @@ finish: LASSERT((cli->cl_max_pages_per_rpc <= PTLRPC_MAX_BRW_PAGES) && (cli->cl_max_pages_per_rpc > 0)); + client_adjust_max_dirty(cli); } out: @@ -1497,10 +1500,13 @@ EXPORT_SYMBOL(ptlrpc_disconnect_import); /* Adaptive Timeout utils */ extern unsigned int at_min, at_max, at_history; -/* Bin into timeslices using AT_BINS bins. - * This gives us a max of the last binlimit*AT_BINS secs without the storage, - * but still smoothing out a return to normalcy from a slow response. - * (E.g. remember the maximum latency in each minute of the last 4 minutes.) +/* + *Update at_current with the specified value (bounded by at_min and at_max), + * as well as the AT history "bins". + * - Bin into timeslices using AT_BINS bins. + * - This gives us a max of the last at_history seconds without the storage, + * but still smoothing out a return to normalcy from a slow response. + * - (E.g. remember the maximum latency in each minute of the last 4 minutes.) */ int at_measured(struct adaptive_timeout *at, unsigned int val) { diff --git a/drivers/staging/lustre/lustre/ptlrpc/layout.c b/drivers/staging/lustre/lustre/ptlrpc/layout.c index ab5d85174245..101ac877a0fc 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/layout.c +++ b/drivers/staging/lustre/lustre/ptlrpc/layout.c @@ -667,11 +667,8 @@ static struct req_format *req_formats[] = { &RQF_MDS_SYNC, &RQF_MDS_CLOSE, &RQF_MDS_RELEASE_CLOSE, - &RQF_MDS_PIN, - &RQF_MDS_UNPIN, &RQF_MDS_READPAGE, &RQF_MDS_WRITEPAGE, - &RQF_MDS_IS_SUBDIR, &RQF_MDS_DONE_WRITING, &RQF_MDS_REINT, &RQF_MDS_REINT_CREATE, @@ -1389,15 +1386,6 @@ struct req_format RQF_MDS_RELEASE_CLOSE = mdt_release_close_client, mds_last_unlink_server); EXPORT_SYMBOL(RQF_MDS_RELEASE_CLOSE); -struct req_format RQF_MDS_PIN = - DEFINE_REQ_FMT0("MDS_PIN", - mdt_body_capa, mdt_body_only); -EXPORT_SYMBOL(RQF_MDS_PIN); - -struct req_format RQF_MDS_UNPIN = - DEFINE_REQ_FMT0("MDS_UNPIN", mdt_body_only, empty); -EXPORT_SYMBOL(RQF_MDS_UNPIN); - struct req_format RQF_MDS_DONE_WRITING = DEFINE_REQ_FMT0("MDS_DONE_WRITING", mdt_close_client, mdt_body_only); @@ -1448,11 +1436,6 @@ struct req_format RQF_MDS_WRITEPAGE = mdt_body_capa, mdt_body_only); EXPORT_SYMBOL(RQF_MDS_WRITEPAGE); -struct req_format RQF_MDS_IS_SUBDIR = - DEFINE_REQ_FMT0("MDS_IS_SUBDIR", - mdt_body_only, mdt_body_only); -EXPORT_SYMBOL(RQF_MDS_IS_SUBDIR); - struct req_format RQF_LLOG_ORIGIN_HANDLE_CREATE = DEFINE_REQ_FMT0("LLOG_ORIGIN_HANDLE_CREATE", llog_origin_handle_create_client, llogd_body_only); diff --git a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c index bc93b75744e1..9bad57d65db4 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c +++ b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c @@ -191,7 +191,7 @@ ptlrpc_ldebugfs_register(struct dentry *root, char *dir, LASSERT(!*debugfs_root_ret); LASSERT(!*stats_ret); - svc_stats = lprocfs_alloc_stats(EXTRA_MAX_OPCODES+LUSTRE_MAX_OPCODES, + svc_stats = lprocfs_alloc_stats(EXTRA_MAX_OPCODES + LUSTRE_MAX_OPCODES, 0); if (!svc_stats) return; @@ -937,7 +937,7 @@ static int ptlrpc_lprocfs_svc_req_history_show(struct seq_file *s, void *iter) static int ptlrpc_lprocfs_svc_req_history_open(struct inode *inode, struct file *file) { - static struct seq_operations sops = { + static const struct seq_operations sops = { .start = ptlrpc_lprocfs_svc_req_history_start, .stop = ptlrpc_lprocfs_svc_req_history_stop, .next = ptlrpc_lprocfs_svc_req_history_next, diff --git a/drivers/staging/lustre/lustre/ptlrpc/niobuf.c b/drivers/staging/lustre/lustre/ptlrpc/niobuf.c index 11ec82545347..44f4eae2a2e7 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/niobuf.c +++ b/drivers/staging/lustre/lustre/ptlrpc/niobuf.c @@ -398,7 +398,8 @@ int ptlrpc_send_reply(struct ptlrpc_request *req, int flags) lustre_msg_set_status(req->rq_repmsg, ptlrpc_status_hton(req->rq_status)); lustre_msg_set_opc(req->rq_repmsg, - req->rq_reqmsg ? lustre_msg_get_opc(req->rq_reqmsg) : 0); + req->rq_reqmsg ? + lustre_msg_get_opc(req->rq_reqmsg) : 0); target_pack_pool_reply(req); diff --git a/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c b/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c index b514f18fae50..2cf3a5129935 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c +++ b/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c @@ -1203,8 +1203,9 @@ __u32 lustre_msg_calc_cksum(struct lustre_msg *msg) unsigned int hsize = 4; cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb, - lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF), - NULL, 0, (unsigned char *)&crc, &hsize); + lustre_msg_buflen(msg, + MSG_PTLRPC_BODY_OFF), + NULL, 0, (unsigned char *)&crc, &hsize); return crc; } default: @@ -1674,35 +1675,35 @@ EXPORT_SYMBOL(lustre_swab_lquota_lvb); void lustre_swab_mdt_body(struct mdt_body *b) { - lustre_swab_lu_fid(&b->fid1); - lustre_swab_lu_fid(&b->fid2); + lustre_swab_lu_fid(&b->mbo_fid1); + lustre_swab_lu_fid(&b->mbo_fid2); /* handle is opaque */ - __swab64s(&b->valid); - __swab64s(&b->size); - __swab64s(&b->mtime); - __swab64s(&b->atime); - __swab64s(&b->ctime); - __swab64s(&b->blocks); - __swab64s(&b->ioepoch); - __swab64s(&b->t_state); - __swab32s(&b->fsuid); - __swab32s(&b->fsgid); - __swab32s(&b->capability); - __swab32s(&b->mode); - __swab32s(&b->uid); - __swab32s(&b->gid); - __swab32s(&b->flags); - __swab32s(&b->rdev); - __swab32s(&b->nlink); - CLASSERT(offsetof(typeof(*b), unused2) != 0); - __swab32s(&b->suppgid); - __swab32s(&b->eadatasize); - __swab32s(&b->aclsize); - __swab32s(&b->max_mdsize); - __swab32s(&b->max_cookiesize); - __swab32s(&b->uid_h); - __swab32s(&b->gid_h); - CLASSERT(offsetof(typeof(*b), padding_5) != 0); + __swab64s(&b->mbo_valid); + __swab64s(&b->mbo_size); + __swab64s(&b->mbo_mtime); + __swab64s(&b->mbo_atime); + __swab64s(&b->mbo_ctime); + __swab64s(&b->mbo_blocks); + __swab64s(&b->mbo_ioepoch); + __swab64s(&b->mbo_t_state); + __swab32s(&b->mbo_fsuid); + __swab32s(&b->mbo_fsgid); + __swab32s(&b->mbo_capability); + __swab32s(&b->mbo_mode); + __swab32s(&b->mbo_uid); + __swab32s(&b->mbo_gid); + __swab32s(&b->mbo_flags); + __swab32s(&b->mbo_rdev); + __swab32s(&b->mbo_nlink); + CLASSERT(offsetof(typeof(*b), mbo_unused2) != 0); + __swab32s(&b->mbo_suppgid); + __swab32s(&b->mbo_eadatasize); + __swab32s(&b->mbo_aclsize); + __swab32s(&b->mbo_max_mdsize); + __swab32s(&b->mbo_max_cookiesize); + __swab32s(&b->mbo_uid_h); + __swab32s(&b->mbo_gid_h); + CLASSERT(offsetof(typeof(*b), mbo_padding_5) != 0); } EXPORT_SYMBOL(lustre_swab_mdt_body); @@ -1878,6 +1879,43 @@ void lustre_swab_lov_desc(struct lov_desc *ld) } EXPORT_SYMBOL(lustre_swab_lov_desc); +/* This structure is always in little-endian */ +static void lustre_swab_lmv_mds_md_v1(struct lmv_mds_md_v1 *lmm1) +{ + int i; + + __swab32s(&lmm1->lmv_magic); + __swab32s(&lmm1->lmv_stripe_count); + __swab32s(&lmm1->lmv_master_mdt_index); + __swab32s(&lmm1->lmv_hash_type); + __swab32s(&lmm1->lmv_layout_version); + for (i = 0; i < lmm1->lmv_stripe_count; i++) + lustre_swab_lu_fid(&lmm1->lmv_stripe_fids[i]); +} + +void lustre_swab_lmv_mds_md(union lmv_mds_md *lmm) +{ + switch (lmm->lmv_magic) { + case LMV_MAGIC_V1: + lustre_swab_lmv_mds_md_v1(&lmm->lmv_md_v1); + break; + default: + break; + } +} +EXPORT_SYMBOL(lustre_swab_lmv_mds_md); + +void lustre_swab_lmv_user_md(struct lmv_user_md *lum) +{ + __swab32s(&lum->lum_magic); + __swab32s(&lum->lum_stripe_count); + __swab32s(&lum->lum_stripe_offset); + __swab32s(&lum->lum_hash_type); + __swab32s(&lum->lum_type); + CLASSERT(offsetof(typeof(*lum), lum_padding1)); +} +EXPORT_SYMBOL(lustre_swab_lmv_user_md); + static void print_lum(struct lov_user_md *lum) { CDEBUG(D_OTHER, "lov_user_md %p:\n", lum); @@ -1941,9 +1979,9 @@ void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod, int i; for (i = 0; i < stripe_count; i++) { - lustre_swab_ost_id(&(lod[i].l_ost_oi)); - __swab32s(&(lod[i].l_ost_gen)); - __swab32s(&(lod[i].l_ost_idx)); + lustre_swab_ost_id(&lod[i].l_ost_oi); + __swab32s(&lod[i].l_ost_gen); + __swab32s(&lod[i].l_ost_idx); } } EXPORT_SYMBOL(lustre_swab_lov_user_md_objects); diff --git a/drivers/staging/lustre/lustre/ptlrpc/pers.c b/drivers/staging/lustre/lustre/ptlrpc/pers.c index 6c820e944171..5b9fb11c0b6b 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/pers.c +++ b/drivers/staging/lustre/lustre/ptlrpc/pers.c @@ -64,9 +64,9 @@ void ptlrpc_add_bulk_page(struct ptlrpc_bulk_desc *desc, struct page *page, { lnet_kiov_t *kiov = &desc->bd_iov[desc->bd_iov_count]; - kiov->kiov_page = page; - kiov->kiov_offset = pageoffset; - kiov->kiov_len = len; + kiov->bv_page = page; + kiov->bv_offset = pageoffset; + kiov->bv_len = len; desc->bd_iov_count++; } diff --git a/drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c b/drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c index 0a374b6c2f71..1f55d642aa75 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c +++ b/drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c @@ -412,7 +412,7 @@ static int ptlrpcd(void *arg) * an argument, describing its "scope". */ rc = lu_context_init(&env.le_ctx, - LCT_CL_THREAD|LCT_REMEMBER|LCT_NOREF); + LCT_CL_THREAD | LCT_REMEMBER | LCT_NOREF); if (rc == 0) { rc = lu_context_init(env.le_ses, LCT_SESSION | LCT_REMEMBER | LCT_NOREF); @@ -567,7 +567,7 @@ int ptlrpcd_start(struct ptlrpcd_ctl *pc) * ptlrpcd thread (or a thread-set) has to be given an argument, * describing its "scope". */ - rc = lu_context_init(&pc->pc_env.le_ctx, LCT_CL_THREAD|LCT_REMEMBER); + rc = lu_context_init(&pc->pc_env.le_ctx, LCT_CL_THREAD | LCT_REMEMBER); if (rc != 0) goto out; diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c b/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c index 5f4d79718589..fdb32d5c07de 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c +++ b/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c @@ -326,12 +326,12 @@ void sptlrpc_enc_pool_put_pages(struct ptlrpc_bulk_desc *desc) LASSERT(page_pools.epp_pools[p_idx]); for (i = 0; i < desc->bd_iov_count; i++) { - LASSERT(desc->bd_enc_iov[i].kiov_page); + LASSERT(desc->bd_enc_iov[i].bv_page); LASSERT(g_idx != 0 || page_pools.epp_pools[p_idx]); LASSERT(!page_pools.epp_pools[p_idx][g_idx]); page_pools.epp_pools[p_idx][g_idx] = - desc->bd_enc_iov[i].kiov_page; + desc->bd_enc_iov[i].bv_page; if (++g_idx == PAGES_PER_POOL) { p_idx++; @@ -522,9 +522,10 @@ int sptlrpc_get_bulk_checksum(struct ptlrpc_bulk_desc *desc, __u8 alg, hashsize = cfs_crypto_hash_digestsize(cfs_hash_alg_id[alg]); for (i = 0; i < desc->bd_iov_count; i++) { - cfs_crypto_hash_update_page(hdesc, desc->bd_iov[i].kiov_page, - desc->bd_iov[i].kiov_offset & ~PAGE_MASK, - desc->bd_iov[i].kiov_len); + cfs_crypto_hash_update_page(hdesc, desc->bd_iov[i].bv_page, + desc->bd_iov[i].bv_offset & + ~PAGE_MASK, + desc->bd_iov[i].bv_len); } if (hashsize > buflen) { diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_plain.c b/drivers/staging/lustre/lustre/ptlrpc/sec_plain.c index 5c4590b0c521..cd305bcb334a 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/sec_plain.c +++ b/drivers/staging/lustre/lustre/ptlrpc/sec_plain.c @@ -154,13 +154,13 @@ static void corrupt_bulk_data(struct ptlrpc_bulk_desc *desc) unsigned int off, i; for (i = 0; i < desc->bd_iov_count; i++) { - if (desc->bd_iov[i].kiov_len == 0) + if (desc->bd_iov[i].bv_len == 0) continue; - ptr = kmap(desc->bd_iov[i].kiov_page); - off = desc->bd_iov[i].kiov_offset & ~PAGE_MASK; + ptr = kmap(desc->bd_iov[i].bv_page); + off = desc->bd_iov[i].bv_offset & ~PAGE_MASK; ptr[off] ^= 0x1; - kunmap(desc->bd_iov[i].kiov_page); + kunmap(desc->bd_iov[i].bv_page); return; } } @@ -249,9 +249,12 @@ int plain_ctx_verify(struct ptlrpc_cli_ctx *ctx, struct ptlrpc_request *req) unsigned int hsize = 4; cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, - lustre_msg_buf(msg, PLAIN_PACK_MSG_OFF, 0), - lustre_msg_buflen(msg, PLAIN_PACK_MSG_OFF), - NULL, 0, (unsigned char *)&cksum, &hsize); + lustre_msg_buf(msg, PLAIN_PACK_MSG_OFF, + 0), + lustre_msg_buflen(msg, + PLAIN_PACK_MSG_OFF), + NULL, 0, (unsigned char *)&cksum, + &hsize); if (cksum != msg->lm_cksum) { CDEBUG(D_SEC, "early reply checksum mismatch: %08x != %08x\n", @@ -349,11 +352,11 @@ int plain_cli_unwrap_bulk(struct ptlrpc_cli_ctx *ctx, /* fix the actual data size */ for (i = 0, nob = 0; i < desc->bd_iov_count; i++) { - if (desc->bd_iov[i].kiov_len + nob > desc->bd_nob_transferred) { - desc->bd_iov[i].kiov_len = + if (desc->bd_iov[i].bv_len + nob > desc->bd_nob_transferred) { + desc->bd_iov[i].bv_len = desc->bd_nob_transferred - nob; } - nob += desc->bd_iov[i].kiov_len; + nob += desc->bd_iov[i].bv_len; } rc = plain_verify_bulk_csum(desc, req->rq_flvr.u_bulk.hash.hash_alg, @@ -869,9 +872,12 @@ int plain_authorize(struct ptlrpc_request *req) unsigned int hsize = 4; cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, - lustre_msg_buf(msg, PLAIN_PACK_MSG_OFF, 0), - lustre_msg_buflen(msg, PLAIN_PACK_MSG_OFF), - NULL, 0, (unsigned char *)&msg->lm_cksum, &hsize); + lustre_msg_buf(msg, PLAIN_PACK_MSG_OFF, + 0), + lustre_msg_buflen(msg, + PLAIN_PACK_MSG_OFF), + NULL, 0, (unsigned char *)&msg->lm_cksum, + &hsize); req->rq_reply_off = 0; } diff --git a/drivers/staging/lustre/lustre/ptlrpc/service.c b/drivers/staging/lustre/lustre/ptlrpc/service.c index 4788c4940c2a..a2fce664b4ec 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/service.c +++ b/drivers/staging/lustre/lustre/ptlrpc/service.c @@ -1005,13 +1005,16 @@ ptlrpc_at_remove_timed(struct ptlrpc_request *req) array->paa_count--; } +/* + * Attempt to extend the request deadline by sending an early reply to the + * client. + */ static int ptlrpc_at_send_early_reply(struct ptlrpc_request *req) { struct ptlrpc_service_part *svcpt = req->rq_rqbd->rqbd_svcpt; struct ptlrpc_request *reqcopy; struct lustre_msg *reqmsg; long olddl = req->rq_deadline - ktime_get_real_seconds(); - time64_t newdl; int rc; /* deadline is when the client expects us to reply, margin is the @@ -1039,8 +1042,13 @@ static int ptlrpc_at_send_early_reply(struct ptlrpc_request *req) return -ENOSYS; } - /* Fake our processing time into the future to ask the clients - * for some extra amount of time + /* + * We want to extend the request deadline by at_extra seconds, + * so we set our service estimate to reflect how much time has + * passed since this request arrived plus an additional + * at_extra seconds. The client will calculate the new deadline + * based on this service estimate (plus some additional time to + * account for network latency). See ptlrpc_at_recv_early_reply */ at_measured(&svcpt->scp_at_estimate, at_extra + ktime_get_real_seconds() - req->rq_arrival_time.tv_sec); @@ -1056,7 +1064,6 @@ static int ptlrpc_at_send_early_reply(struct ptlrpc_request *req) ktime_get_real_seconds()); return -ETIMEDOUT; } - newdl = ktime_get_real_seconds() + at_get(&svcpt->scp_at_estimate); reqcopy = ptlrpc_request_cache_alloc(GFP_NOFS); if (!reqcopy) @@ -1110,7 +1117,8 @@ static int ptlrpc_at_send_early_reply(struct ptlrpc_request *req) if (!rc) { /* Adjust our own deadline to what we told the client */ - req->rq_deadline = newdl; + req->rq_deadline = req->rq_arrival_time.tv_sec + + at_get(&svcpt->scp_at_estimate); req->rq_early_count++; /* number sent, server side */ } else { DEBUG_REQ(D_ERROR, req, "Early reply send failed %d", rc); @@ -1982,11 +1990,12 @@ ptlrpc_wait_event(struct ptlrpc_service_part *svcpt, cond_resched(); l_wait_event_exclusive_head(svcpt->scp_waitq, - ptlrpc_thread_stopping(thread) || - ptlrpc_server_request_incoming(svcpt) || - ptlrpc_server_request_pending(svcpt, false) || - ptlrpc_rqbd_pending(svcpt) || - ptlrpc_at_check(svcpt), &lwi); + ptlrpc_thread_stopping(thread) || + ptlrpc_server_request_incoming(svcpt) || + ptlrpc_server_request_pending(svcpt, + false) || + ptlrpc_rqbd_pending(svcpt) || + ptlrpc_at_check(svcpt), &lwi); if (ptlrpc_thread_stopping(thread)) return -EINTR; @@ -2049,7 +2058,7 @@ static int ptlrpc_main(void *arg) } rc = lu_context_init(&env->le_ctx, - svc->srv_ctx_tags|LCT_REMEMBER|LCT_NOREF); + svc->srv_ctx_tags | LCT_REMEMBER | LCT_NOREF); if (rc) goto out_srv_fini; @@ -2349,7 +2358,7 @@ static void ptlrpc_svcpt_stop_threads(struct ptlrpc_service_part *svcpt) while (!list_empty(&zombie)) { thread = list_entry(zombie.next, - struct ptlrpc_thread, t_link); + struct ptlrpc_thread, t_link); list_del(&thread->t_link); kfree(thread); } @@ -2539,8 +2548,8 @@ int ptlrpc_hr_init(void) LASSERT(hrp->hrp_nthrs > 0); hrp->hrp_thrs = kzalloc_node(hrp->hrp_nthrs * sizeof(*hrt), GFP_NOFS, - cfs_cpt_spread_node(ptlrpc_hr.hr_cpt_table, - i)); + cfs_cpt_spread_node(ptlrpc_hr.hr_cpt_table, + i)); if (!hrp->hrp_thrs) { rc = -ENOMEM; goto out; @@ -2593,7 +2602,8 @@ static void ptlrpc_wait_replies(struct ptlrpc_service_part *svcpt) NULL, NULL); rc = l_wait_event(svcpt->scp_waitq, - atomic_read(&svcpt->scp_nreps_difficult) == 0, &lwi); + atomic_read(&svcpt->scp_nreps_difficult) == 0, + &lwi); if (rc == 0) break; CWARN("Unexpectedly long timeout %s %p\n", @@ -2639,7 +2649,7 @@ ptlrpc_service_unlink_rqbd(struct ptlrpc_service *svc) * event with its 'unlink' flag set for each posted rqbd */ list_for_each_entry(rqbd, &svcpt->scp_rqbd_posted, - rqbd_list) { + rqbd_list) { rc = LNetMDUnlink(rqbd->rqbd_md_h); LASSERT(rc == 0 || rc == -ENOENT); } diff --git a/drivers/staging/lustre/lustre/ptlrpc/wiretest.c b/drivers/staging/lustre/lustre/ptlrpc/wiretest.c index 6cc2b2edf3fc..eb6d88e85b9f 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/wiretest.c +++ b/drivers/staging/lustre/lustre/ptlrpc/wiretest.c @@ -190,28 +190,30 @@ void lustre_assert_wire_constants(void) (long long)REINT_SETXATTR); LASSERTF(REINT_RMENTRY == 8, "found %lld\n", (long long)REINT_RMENTRY); - LASSERTF(REINT_MAX == 9, "found %lld\n", + LASSERTF(REINT_MIGRATE == 9, "found %lld\n", + (long long)REINT_MIGRATE); + LASSERTF(REINT_MAX == 10, "found %lld\n", (long long)REINT_MAX); LASSERTF(DISP_IT_EXECD == 0x00000001UL, "found 0x%.8xUL\n", - (unsigned)DISP_IT_EXECD); + (unsigned)DISP_IT_EXECD); LASSERTF(DISP_LOOKUP_EXECD == 0x00000002UL, "found 0x%.8xUL\n", - (unsigned)DISP_LOOKUP_EXECD); + (unsigned)DISP_LOOKUP_EXECD); LASSERTF(DISP_LOOKUP_NEG == 0x00000004UL, "found 0x%.8xUL\n", - (unsigned)DISP_LOOKUP_NEG); + (unsigned)DISP_LOOKUP_NEG); LASSERTF(DISP_LOOKUP_POS == 0x00000008UL, "found 0x%.8xUL\n", - (unsigned)DISP_LOOKUP_POS); + (unsigned)DISP_LOOKUP_POS); LASSERTF(DISP_OPEN_CREATE == 0x00000010UL, "found 0x%.8xUL\n", - (unsigned)DISP_OPEN_CREATE); + (unsigned)DISP_OPEN_CREATE); LASSERTF(DISP_OPEN_OPEN == 0x00000020UL, "found 0x%.8xUL\n", - (unsigned)DISP_OPEN_OPEN); + (unsigned)DISP_OPEN_OPEN); LASSERTF(DISP_ENQ_COMPLETE == 0x00400000UL, "found 0x%.8xUL\n", - (unsigned)DISP_ENQ_COMPLETE); + (unsigned)DISP_ENQ_COMPLETE); LASSERTF(DISP_ENQ_OPEN_REF == 0x00800000UL, "found 0x%.8xUL\n", - (unsigned)DISP_ENQ_OPEN_REF); + (unsigned)DISP_ENQ_OPEN_REF); LASSERTF(DISP_ENQ_CREATE_REF == 0x01000000UL, "found 0x%.8xUL\n", - (unsigned)DISP_ENQ_CREATE_REF); + (unsigned)DISP_ENQ_CREATE_REF); LASSERTF(DISP_OPEN_LOCK == 0x02000000UL, "found 0x%.8xUL\n", - (unsigned)DISP_OPEN_LOCK); + (unsigned)DISP_OPEN_LOCK); LASSERTF(MDS_STATUS_CONN == 1, "found %lld\n", (long long)MDS_STATUS_CONN); LASSERTF(MDS_STATUS_LOV == 2, "found %lld\n", @@ -219,55 +221,55 @@ void lustre_assert_wire_constants(void) LASSERTF(LUSTRE_BFLAG_UNCOMMITTED_WRITES == 1, "found %lld\n", (long long)LUSTRE_BFLAG_UNCOMMITTED_WRITES); LASSERTF(MF_SOM_CHANGE == 0x00000001UL, "found 0x%.8xUL\n", - (unsigned)MF_SOM_CHANGE); + (unsigned)MF_SOM_CHANGE); LASSERTF(MF_EPOCH_OPEN == 0x00000002UL, "found 0x%.8xUL\n", - (unsigned)MF_EPOCH_OPEN); + (unsigned)MF_EPOCH_OPEN); LASSERTF(MF_EPOCH_CLOSE == 0x00000004UL, "found 0x%.8xUL\n", - (unsigned)MF_EPOCH_CLOSE); + (unsigned)MF_EPOCH_CLOSE); LASSERTF(MF_MDC_CANCEL_FID1 == 0x00000008UL, "found 0x%.8xUL\n", - (unsigned)MF_MDC_CANCEL_FID1); + (unsigned)MF_MDC_CANCEL_FID1); LASSERTF(MF_MDC_CANCEL_FID2 == 0x00000010UL, "found 0x%.8xUL\n", - (unsigned)MF_MDC_CANCEL_FID2); + (unsigned)MF_MDC_CANCEL_FID2); LASSERTF(MF_MDC_CANCEL_FID3 == 0x00000020UL, "found 0x%.8xUL\n", - (unsigned)MF_MDC_CANCEL_FID3); + (unsigned)MF_MDC_CANCEL_FID3); LASSERTF(MF_MDC_CANCEL_FID4 == 0x00000040UL, "found 0x%.8xUL\n", - (unsigned)MF_MDC_CANCEL_FID4); + (unsigned)MF_MDC_CANCEL_FID4); LASSERTF(MF_SOM_AU == 0x00000080UL, "found 0x%.8xUL\n", - (unsigned)MF_SOM_AU); + (unsigned)MF_SOM_AU); LASSERTF(MF_GETATTR_LOCK == 0x00000100UL, "found 0x%.8xUL\n", - (unsigned)MF_GETATTR_LOCK); + (unsigned)MF_GETATTR_LOCK); LASSERTF(MDS_ATTR_MODE == 0x0000000000000001ULL, "found 0x%.16llxULL\n", - (long long)MDS_ATTR_MODE); + (long long)MDS_ATTR_MODE); LASSERTF(MDS_ATTR_UID == 0x0000000000000002ULL, "found 0x%.16llxULL\n", - (long long)MDS_ATTR_UID); + (long long)MDS_ATTR_UID); LASSERTF(MDS_ATTR_GID == 0x0000000000000004ULL, "found 0x%.16llxULL\n", - (long long)MDS_ATTR_GID); + (long long)MDS_ATTR_GID); LASSERTF(MDS_ATTR_SIZE == 0x0000000000000008ULL, "found 0x%.16llxULL\n", - (long long)MDS_ATTR_SIZE); + (long long)MDS_ATTR_SIZE); LASSERTF(MDS_ATTR_ATIME == 0x0000000000000010ULL, "found 0x%.16llxULL\n", - (long long)MDS_ATTR_ATIME); + (long long)MDS_ATTR_ATIME); LASSERTF(MDS_ATTR_MTIME == 0x0000000000000020ULL, "found 0x%.16llxULL\n", - (long long)MDS_ATTR_MTIME); + (long long)MDS_ATTR_MTIME); LASSERTF(MDS_ATTR_CTIME == 0x0000000000000040ULL, "found 0x%.16llxULL\n", - (long long)MDS_ATTR_CTIME); + (long long)MDS_ATTR_CTIME); LASSERTF(MDS_ATTR_ATIME_SET == 0x0000000000000080ULL, "found 0x%.16llxULL\n", - (long long)MDS_ATTR_ATIME_SET); + (long long)MDS_ATTR_ATIME_SET); LASSERTF(MDS_ATTR_MTIME_SET == 0x0000000000000100ULL, "found 0x%.16llxULL\n", - (long long)MDS_ATTR_MTIME_SET); + (long long)MDS_ATTR_MTIME_SET); LASSERTF(MDS_ATTR_FORCE == 0x0000000000000200ULL, "found 0x%.16llxULL\n", - (long long)MDS_ATTR_FORCE); + (long long)MDS_ATTR_FORCE); LASSERTF(MDS_ATTR_ATTR_FLAG == 0x0000000000000400ULL, "found 0x%.16llxULL\n", - (long long)MDS_ATTR_ATTR_FLAG); + (long long)MDS_ATTR_ATTR_FLAG); LASSERTF(MDS_ATTR_KILL_SUID == 0x0000000000000800ULL, "found 0x%.16llxULL\n", - (long long)MDS_ATTR_KILL_SUID); + (long long)MDS_ATTR_KILL_SUID); LASSERTF(MDS_ATTR_KILL_SGID == 0x0000000000001000ULL, "found 0x%.16llxULL\n", - (long long)MDS_ATTR_KILL_SGID); + (long long)MDS_ATTR_KILL_SGID); LASSERTF(MDS_ATTR_CTIME_SET == 0x0000000000002000ULL, "found 0x%.16llxULL\n", - (long long)MDS_ATTR_CTIME_SET); + (long long)MDS_ATTR_CTIME_SET); LASSERTF(MDS_ATTR_FROM_OPEN == 0x0000000000004000ULL, "found 0x%.16llxULL\n", - (long long)MDS_ATTR_FROM_OPEN); + (long long)MDS_ATTR_FROM_OPEN); LASSERTF(MDS_ATTR_BLOCKS == 0x0000000000008000ULL, "found 0x%.16llxULL\n", - (long long)MDS_ATTR_BLOCKS); + (long long)MDS_ATTR_BLOCKS); LASSERTF(FLD_QUERY == 900, "found %lld\n", (long long)FLD_QUERY); LASSERTF(FLD_FIRST_OPC == 900, "found %lld\n", @@ -418,15 +420,15 @@ void lustre_assert_wire_constants(void) LASSERTF((int)sizeof(((struct lustre_mdt_attrs *)0)->lma_self_fid) == 16, "found %lld\n", (long long)(int)sizeof(((struct lustre_mdt_attrs *)0)->lma_self_fid)); LASSERTF(LMAI_RELEASED == 0x00000001UL, "found 0x%.8xUL\n", - (unsigned)LMAI_RELEASED); + (unsigned)LMAI_RELEASED); LASSERTF(LMAC_HSM == 0x00000001UL, "found 0x%.8xUL\n", - (unsigned)LMAC_HSM); + (unsigned)LMAC_HSM); LASSERTF(LMAC_SOM == 0x00000002UL, "found 0x%.8xUL\n", - (unsigned)LMAC_SOM); + (unsigned)LMAC_SOM); LASSERTF(LMAC_NOT_IN_OI == 0x00000004UL, "found 0x%.8xUL\n", - (unsigned)LMAC_NOT_IN_OI); + (unsigned)LMAC_NOT_IN_OI); LASSERTF(LMAC_FID_ON_OST == 0x00000008UL, "found 0x%.8xUL\n", - (unsigned)LMAC_FID_ON_OST); + (unsigned)LMAC_FID_ON_OST); /* Checks for struct ost_id */ LASSERTF((int)sizeof(struct ost_id) == 16, "found %lld\n", @@ -452,35 +454,35 @@ void lustre_assert_wire_constants(void) LASSERTF(FID_SEQ_IGIF == 12, "found %lld\n", (long long)FID_SEQ_IGIF); LASSERTF(FID_SEQ_IGIF_MAX == 0x00000000ffffffffULL, "found 0x%.16llxULL\n", - (long long)FID_SEQ_IGIF_MAX); + (long long)FID_SEQ_IGIF_MAX); LASSERTF(FID_SEQ_IDIF == 0x0000000100000000ULL, "found 0x%.16llxULL\n", - (long long)FID_SEQ_IDIF); + (long long)FID_SEQ_IDIF); LASSERTF(FID_SEQ_IDIF_MAX == 0x00000001ffffffffULL, "found 0x%.16llxULL\n", - (long long)FID_SEQ_IDIF_MAX); + (long long)FID_SEQ_IDIF_MAX); LASSERTF(FID_SEQ_START == 0x0000000200000000ULL, "found 0x%.16llxULL\n", - (long long)FID_SEQ_START); + (long long)FID_SEQ_START); LASSERTF(FID_SEQ_LOCAL_FILE == 0x0000000200000001ULL, "found 0x%.16llxULL\n", - (long long)FID_SEQ_LOCAL_FILE); + (long long)FID_SEQ_LOCAL_FILE); LASSERTF(FID_SEQ_DOT_LUSTRE == 0x0000000200000002ULL, "found 0x%.16llxULL\n", - (long long)FID_SEQ_DOT_LUSTRE); + (long long)FID_SEQ_DOT_LUSTRE); LASSERTF(FID_SEQ_SPECIAL == 0x0000000200000004ULL, "found 0x%.16llxULL\n", - (long long)FID_SEQ_SPECIAL); + (long long)FID_SEQ_SPECIAL); LASSERTF(FID_SEQ_QUOTA == 0x0000000200000005ULL, "found 0x%.16llxULL\n", - (long long)FID_SEQ_QUOTA); + (long long)FID_SEQ_QUOTA); LASSERTF(FID_SEQ_QUOTA_GLB == 0x0000000200000006ULL, "found 0x%.16llxULL\n", - (long long)FID_SEQ_QUOTA_GLB); + (long long)FID_SEQ_QUOTA_GLB); LASSERTF(FID_SEQ_ROOT == 0x0000000200000007ULL, "found 0x%.16llxULL\n", - (long long)FID_SEQ_ROOT); + (long long)FID_SEQ_ROOT); LASSERTF(FID_SEQ_NORMAL == 0x0000000200000400ULL, "found 0x%.16llxULL\n", - (long long)FID_SEQ_NORMAL); + (long long)FID_SEQ_NORMAL); LASSERTF(FID_SEQ_LOV_DEFAULT == 0xffffffffffffffffULL, "found 0x%.16llxULL\n", - (long long)FID_SEQ_LOV_DEFAULT); + (long long)FID_SEQ_LOV_DEFAULT); LASSERTF(FID_OID_SPECIAL_BFL == 0x00000001UL, "found 0x%.8xUL\n", - (unsigned)FID_OID_SPECIAL_BFL); + (unsigned)FID_OID_SPECIAL_BFL); LASSERTF(FID_OID_DOT_LUSTRE == 0x00000001UL, "found 0x%.8xUL\n", - (unsigned)FID_OID_DOT_LUSTRE); + (unsigned)FID_OID_DOT_LUSTRE); LASSERTF(FID_OID_DOT_LUSTRE_OBF == 0x00000002UL, "found 0x%.8xUL\n", - (unsigned)FID_OID_DOT_LUSTRE_OBF); + (unsigned)FID_OID_DOT_LUSTRE_OBF); /* Checks for struct lu_dirent */ LASSERTF((int)sizeof(struct lu_dirent) == 32, "found %lld\n", @@ -510,11 +512,11 @@ void lustre_assert_wire_constants(void) LASSERTF((int)sizeof(((struct lu_dirent *)0)->lde_name[0]) == 1, "found %lld\n", (long long)(int)sizeof(((struct lu_dirent *)0)->lde_name[0])); LASSERTF(LUDA_FID == 0x00000001UL, "found 0x%.8xUL\n", - (unsigned)LUDA_FID); + (unsigned)LUDA_FID); LASSERTF(LUDA_TYPE == 0x00000002UL, "found 0x%.8xUL\n", - (unsigned)LUDA_TYPE); + (unsigned)LUDA_TYPE); LASSERTF(LUDA_64BITHASH == 0x00000004UL, "found 0x%.8xUL\n", - (unsigned)LUDA_64BITHASH); + (unsigned)LUDA_64BITHASH); /* Checks for struct luda_type */ LASSERTF((int)sizeof(struct luda_type) == 2, "found %lld\n", @@ -602,9 +604,9 @@ void lustre_assert_wire_constants(void) LASSERTF((int)sizeof(((struct lustre_msg_v2 *)0)->lm_buflens[0]) == 4, "found %lld\n", (long long)(int)sizeof(((struct lustre_msg_v2 *)0)->lm_buflens[0])); LASSERTF(LUSTRE_MSG_MAGIC_V2 == 0x0BD00BD3, "found 0x%.8x\n", - LUSTRE_MSG_MAGIC_V2); + LUSTRE_MSG_MAGIC_V2); LASSERTF(LUSTRE_MSG_MAGIC_V2_SWABBED == 0xD30BD00B, "found 0x%.8x\n", - LUSTRE_MSG_MAGIC_V2_SWABBED); + LUSTRE_MSG_MAGIC_V2_SWABBED); /* Checks for struct ptlrpc_body */ LASSERTF((int)sizeof(struct ptlrpc_body_v3) == 184, "found %lld\n", @@ -780,61 +782,61 @@ void lustre_assert_wire_constants(void) LASSERTF(MSG_PTLRPC_HEADER_OFF == 31, "found %lld\n", (long long)MSG_PTLRPC_HEADER_OFF); LASSERTF(PTLRPC_MSG_VERSION == 0x00000003, "found 0x%.8x\n", - PTLRPC_MSG_VERSION); + PTLRPC_MSG_VERSION); LASSERTF(LUSTRE_VERSION_MASK == 0xffff0000, "found 0x%.8x\n", - LUSTRE_VERSION_MASK); + LUSTRE_VERSION_MASK); LASSERTF(LUSTRE_OBD_VERSION == 0x00010000, "found 0x%.8x\n", - LUSTRE_OBD_VERSION); + LUSTRE_OBD_VERSION); LASSERTF(LUSTRE_MDS_VERSION == 0x00020000, "found 0x%.8x\n", - LUSTRE_MDS_VERSION); + LUSTRE_MDS_VERSION); LASSERTF(LUSTRE_OST_VERSION == 0x00030000, "found 0x%.8x\n", - LUSTRE_OST_VERSION); + LUSTRE_OST_VERSION); LASSERTF(LUSTRE_DLM_VERSION == 0x00040000, "found 0x%.8x\n", - LUSTRE_DLM_VERSION); + LUSTRE_DLM_VERSION); LASSERTF(LUSTRE_LOG_VERSION == 0x00050000, "found 0x%.8x\n", - LUSTRE_LOG_VERSION); + LUSTRE_LOG_VERSION); LASSERTF(LUSTRE_MGS_VERSION == 0x00060000, "found 0x%.8x\n", - LUSTRE_MGS_VERSION); + LUSTRE_MGS_VERSION); LASSERTF(MSGHDR_AT_SUPPORT == 1, "found %lld\n", (long long)MSGHDR_AT_SUPPORT); LASSERTF(MSGHDR_CKSUM_INCOMPAT18 == 2, "found %lld\n", (long long)MSGHDR_CKSUM_INCOMPAT18); LASSERTF(MSG_OP_FLAG_MASK == 0xffff0000UL, "found 0x%.8xUL\n", - (unsigned)MSG_OP_FLAG_MASK); + (unsigned)MSG_OP_FLAG_MASK); LASSERTF(MSG_OP_FLAG_SHIFT == 16, "found %lld\n", (long long)MSG_OP_FLAG_SHIFT); LASSERTF(MSG_GEN_FLAG_MASK == 0x0000ffffUL, "found 0x%.8xUL\n", - (unsigned)MSG_GEN_FLAG_MASK); + (unsigned)MSG_GEN_FLAG_MASK); LASSERTF(MSG_LAST_REPLAY == 0x00000001UL, "found 0x%.8xUL\n", - (unsigned)MSG_LAST_REPLAY); + (unsigned)MSG_LAST_REPLAY); LASSERTF(MSG_RESENT == 0x00000002UL, "found 0x%.8xUL\n", - (unsigned)MSG_RESENT); + (unsigned)MSG_RESENT); LASSERTF(MSG_REPLAY == 0x00000004UL, "found 0x%.8xUL\n", - (unsigned)MSG_REPLAY); + (unsigned)MSG_REPLAY); LASSERTF(MSG_DELAY_REPLAY == 0x00000010UL, "found 0x%.8xUL\n", - (unsigned)MSG_DELAY_REPLAY); + (unsigned)MSG_DELAY_REPLAY); LASSERTF(MSG_VERSION_REPLAY == 0x00000020UL, "found 0x%.8xUL\n", - (unsigned)MSG_VERSION_REPLAY); + (unsigned)MSG_VERSION_REPLAY); LASSERTF(MSG_REQ_REPLAY_DONE == 0x00000040UL, "found 0x%.8xUL\n", - (unsigned)MSG_REQ_REPLAY_DONE); + (unsigned)MSG_REQ_REPLAY_DONE); LASSERTF(MSG_LOCK_REPLAY_DONE == 0x00000080UL, "found 0x%.8xUL\n", - (unsigned)MSG_LOCK_REPLAY_DONE); + (unsigned)MSG_LOCK_REPLAY_DONE); LASSERTF(MSG_CONNECT_RECOVERING == 0x00000001UL, "found 0x%.8xUL\n", - (unsigned)MSG_CONNECT_RECOVERING); + (unsigned)MSG_CONNECT_RECOVERING); LASSERTF(MSG_CONNECT_RECONNECT == 0x00000002UL, "found 0x%.8xUL\n", - (unsigned)MSG_CONNECT_RECONNECT); + (unsigned)MSG_CONNECT_RECONNECT); LASSERTF(MSG_CONNECT_REPLAYABLE == 0x00000004UL, "found 0x%.8xUL\n", - (unsigned)MSG_CONNECT_REPLAYABLE); + (unsigned)MSG_CONNECT_REPLAYABLE); LASSERTF(MSG_CONNECT_LIBCLIENT == 0x00000010UL, "found 0x%.8xUL\n", - (unsigned)MSG_CONNECT_LIBCLIENT); + (unsigned)MSG_CONNECT_LIBCLIENT); LASSERTF(MSG_CONNECT_INITIAL == 0x00000020UL, "found 0x%.8xUL\n", - (unsigned)MSG_CONNECT_INITIAL); + (unsigned)MSG_CONNECT_INITIAL); LASSERTF(MSG_CONNECT_ASYNC == 0x00000040UL, "found 0x%.8xUL\n", - (unsigned)MSG_CONNECT_ASYNC); + (unsigned)MSG_CONNECT_ASYNC); LASSERTF(MSG_CONNECT_NEXT_VER == 0x00000080UL, "found 0x%.8xUL\n", - (unsigned)MSG_CONNECT_NEXT_VER); + (unsigned)MSG_CONNECT_NEXT_VER); LASSERTF(MSG_CONNECT_TRANSNO == 0x00000100UL, "found 0x%.8xUL\n", - (unsigned)MSG_CONNECT_TRANSNO); + (unsigned)MSG_CONNECT_TRANSNO); /* Checks for struct obd_connect_data */ LASSERTF((int)sizeof(struct obd_connect_data) == 192, "found %lld\n", @@ -1069,12 +1071,18 @@ void lustre_assert_wire_constants(void) "found 0x%.16llxULL\n", OBD_CONNECT_FLOCK_DEAD); LASSERTF(OBD_CONNECT_OPEN_BY_FID == 0x20000000000000ULL, "found 0x%.16llxULL\n", OBD_CONNECT_OPEN_BY_FID); + LASSERTF(OBD_CONNECT_LFSCK == 0x40000000000000ULL, "found 0x%.16llxULL\n", + OBD_CONNECT_LFSCK); + LASSERTF(OBD_CONNECT_UNLINK_CLOSE == 0x100000000000000ULL, "found 0x%.16llxULL\n", + OBD_CONNECT_UNLINK_CLOSE); + LASSERTF(OBD_CONNECT_DIR_STRIPE == 0x400000000000000ULL, "found 0x%.16llxULL\n", + OBD_CONNECT_DIR_STRIPE); LASSERTF(OBD_CKSUM_CRC32 == 0x00000001UL, "found 0x%.8xUL\n", - (unsigned)OBD_CKSUM_CRC32); + (unsigned)OBD_CKSUM_CRC32); LASSERTF(OBD_CKSUM_ADLER == 0x00000002UL, "found 0x%.8xUL\n", - (unsigned)OBD_CKSUM_ADLER); + (unsigned)OBD_CKSUM_ADLER); LASSERTF(OBD_CKSUM_CRC32C == 0x00000004UL, "found 0x%.8xUL\n", - (unsigned)OBD_CKSUM_CRC32C); + (unsigned)OBD_CKSUM_CRC32C); /* Checks for struct obdo */ LASSERTF((int)sizeof(struct obdo) == 208, "found %lld\n", @@ -1346,7 +1354,7 @@ void lustre_assert_wire_constants(void) (long long)(int)offsetof(struct lov_mds_md_v1, lmm_objects[0])); LASSERTF((int)sizeof(((struct lov_mds_md_v1 *)0)->lmm_objects[0]) == 24, "found %lld\n", (long long)(int)sizeof(((struct lov_mds_md_v1 *)0)->lmm_objects[0])); - CLASSERT(LOV_MAGIC_V1 == 0x0BD10BD0); + CLASSERT(LOV_MAGIC_V1 == (0x0BD10000 | 0x0BD0)); /* Checks for struct lov_mds_md_v3 */ LASSERTF((int)sizeof(struct lov_mds_md_v3) == 48, "found %lld\n", @@ -1384,15 +1392,64 @@ void lustre_assert_wire_constants(void) (long long)(int)offsetof(struct lov_mds_md_v3, lmm_objects[0])); LASSERTF((int)sizeof(((struct lov_mds_md_v3 *)0)->lmm_objects[0]) == 24, "found %lld\n", (long long)(int)sizeof(((struct lov_mds_md_v3 *)0)->lmm_objects[0])); - CLASSERT(LOV_MAGIC_V3 == 0x0BD30BD0); + CLASSERT(LOV_MAGIC_V3 == (0x0BD30000 | 0x0BD0)); LASSERTF(LOV_PATTERN_RAID0 == 0x00000001UL, "found 0x%.8xUL\n", - (unsigned)LOV_PATTERN_RAID0); + (unsigned)LOV_PATTERN_RAID0); LASSERTF(LOV_PATTERN_RAID1 == 0x00000002UL, "found 0x%.8xUL\n", - (unsigned)LOV_PATTERN_RAID1); + (unsigned)LOV_PATTERN_RAID1); LASSERTF(LOV_PATTERN_FIRST == 0x00000100UL, "found 0x%.8xUL\n", - (unsigned)LOV_PATTERN_FIRST); + (unsigned)LOV_PATTERN_FIRST); LASSERTF(LOV_PATTERN_CMOBD == 0x00000200UL, "found 0x%.8xUL\n", - (unsigned)LOV_PATTERN_CMOBD); + (unsigned)LOV_PATTERN_CMOBD); + + /* Checks for struct lmv_mds_md_v1 */ + LASSERTF((int)sizeof(struct lmv_mds_md_v1) == 56, "found %lld\n", + (long long)(int)sizeof(struct lmv_mds_md_v1)); + LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_magic) == 0, "found %lld\n", + (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_magic)); + LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_magic) == 4, "found %lld\n", + (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_magic)); + LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_stripe_count) == 4, "found %lld\n", + (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_stripe_count)); + LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_stripe_count) == 4, "found %lld\n", + (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_stripe_count)); + LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_master_mdt_index) == 8, "found %lld\n", + (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_master_mdt_index)); + LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_master_mdt_index) == 4, "found %lld\n", + (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_master_mdt_index)); + LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_hash_type) == 12, "found %lld\n", + (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_hash_type)); + LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_hash_type) == 4, "found %lld\n", + (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_hash_type)); + LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_layout_version) == 16, "found %lld\n", + (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_layout_version)); + LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_layout_version) == 4, "found %lld\n", + (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_layout_version)); + LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_padding1) == 20, "found %lld\n", + (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_padding1)); + LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding1) == 4, "found %lld\n", + (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding1)); + LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_padding2) == 24, "found %lld\n", + (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_padding2)); + LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding2) == 8, "found %lld\n", + (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding2)); + LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_padding3) == 32, "found %lld\n", + (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_padding3)); + LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding3) == 8, "found %lld\n", + (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding3)); + LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_pool_name[16]) == 56, "found %lld\n", + (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_pool_name[16])); + LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_pool_name[16]) == 1, "found %lld\n", + (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_pool_name[16])); + LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_stripe_fids[0]) == 56, "found %lld\n", + (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_stripe_fids[0])); + LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_stripe_fids[0]) == 16, "found %lld\n", + (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_stripe_fids[0])); + CLASSERT(LMV_MAGIC_V1 == 0x0CD20CD0); + CLASSERT(LMV_MAGIC_STRIPE == 0x0CD40CD0); + CLASSERT(LMV_HASH_TYPE_MASK == 0x0000ffff); + CLASSERT(LMV_HASH_FLAG_MIGRATION == 0x80000000); + CLASSERT(LMV_HASH_FLAG_DEAD == 0x40000000); /* Checks for struct obd_statfs */ LASSERTF((int)sizeof(struct obd_statfs) == 144, "found %lld\n", @@ -1582,15 +1639,15 @@ void lustre_assert_wire_constants(void) LASSERTF((int)sizeof(((struct obd_dqblk *)0)->dqb_padding) == 4, "found %lld\n", (long long)(int)sizeof(((struct obd_dqblk *)0)->dqb_padding)); LASSERTF(Q_QUOTACHECK == 0x800100, "found 0x%.8x\n", - Q_QUOTACHECK); + Q_QUOTACHECK); LASSERTF(Q_INITQUOTA == 0x800101, "found 0x%.8x\n", - Q_INITQUOTA); + Q_INITQUOTA); LASSERTF(Q_GETOINFO == 0x800102, "found 0x%.8x\n", - Q_GETOINFO); + Q_GETOINFO); LASSERTF(Q_GETOQUOTA == 0x800103, "found 0x%.8x\n", - Q_GETOQUOTA); + Q_GETOQUOTA); LASSERTF(Q_FINVALIDATE == 0x800104, "found 0x%.8x\n", - Q_FINVALIDATE); + Q_FINVALIDATE); /* Checks for struct niobuf_remote */ LASSERTF((int)sizeof(struct niobuf_remote) == 16, "found %lld\n", @@ -1608,27 +1665,27 @@ void lustre_assert_wire_constants(void) LASSERTF((int)sizeof(((struct niobuf_remote *)0)->flags) == 4, "found %lld\n", (long long)(int)sizeof(((struct niobuf_remote *)0)->flags)); LASSERTF(OBD_BRW_READ == 0x01, "found 0x%.8x\n", - OBD_BRW_READ); + OBD_BRW_READ); LASSERTF(OBD_BRW_WRITE == 0x02, "found 0x%.8x\n", - OBD_BRW_WRITE); + OBD_BRW_WRITE); LASSERTF(OBD_BRW_SYNC == 0x08, "found 0x%.8x\n", - OBD_BRW_SYNC); + OBD_BRW_SYNC); LASSERTF(OBD_BRW_CHECK == 0x10, "found 0x%.8x\n", - OBD_BRW_CHECK); + OBD_BRW_CHECK); LASSERTF(OBD_BRW_FROM_GRANT == 0x20, "found 0x%.8x\n", - OBD_BRW_FROM_GRANT); + OBD_BRW_FROM_GRANT); LASSERTF(OBD_BRW_GRANTED == 0x40, "found 0x%.8x\n", - OBD_BRW_GRANTED); + OBD_BRW_GRANTED); LASSERTF(OBD_BRW_NOCACHE == 0x80, "found 0x%.8x\n", - OBD_BRW_NOCACHE); + OBD_BRW_NOCACHE); LASSERTF(OBD_BRW_NOQUOTA == 0x100, "found 0x%.8x\n", - OBD_BRW_NOQUOTA); + OBD_BRW_NOQUOTA); LASSERTF(OBD_BRW_SRVLOCK == 0x200, "found 0x%.8x\n", - OBD_BRW_SRVLOCK); + OBD_BRW_SRVLOCK); LASSERTF(OBD_BRW_ASYNC == 0x400, "found 0x%.8x\n", - OBD_BRW_ASYNC); + OBD_BRW_ASYNC); LASSERTF(OBD_BRW_MEMALLOC == 0x800, "found 0x%.8x\n", - OBD_BRW_MEMALLOC); + OBD_BRW_MEMALLOC); LASSERTF(OBD_BRW_OVER_USRQUOTA == 0x1000, "found 0x%.8x\n", OBD_BRW_OVER_USRQUOTA); LASSERTF(OBD_BRW_OVER_GRPQUOTA == 0x2000, "found 0x%.8x\n", @@ -1663,203 +1720,203 @@ void lustre_assert_wire_constants(void) /* Checks for struct mdt_body */ LASSERTF((int)sizeof(struct mdt_body) == 216, "found %lld\n", (long long)(int)sizeof(struct mdt_body)); - LASSERTF((int)offsetof(struct mdt_body, fid1) == 0, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, fid1)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->fid1) == 16, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->fid1)); - LASSERTF((int)offsetof(struct mdt_body, fid2) == 16, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, fid2)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->fid2) == 16, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->fid2)); - LASSERTF((int)offsetof(struct mdt_body, handle) == 32, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, handle)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->handle) == 8, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->handle)); - LASSERTF((int)offsetof(struct mdt_body, valid) == 40, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, valid)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->valid) == 8, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->valid)); - LASSERTF((int)offsetof(struct mdt_body, size) == 48, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, size)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->size) == 8, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->size)); - LASSERTF((int)offsetof(struct mdt_body, mtime) == 56, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, mtime)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->mtime) == 8, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->mtime)); - LASSERTF((int)offsetof(struct mdt_body, atime) == 64, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, atime)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->atime) == 8, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->atime)); - LASSERTF((int)offsetof(struct mdt_body, ctime) == 72, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, ctime)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->ctime) == 8, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->ctime)); - LASSERTF((int)offsetof(struct mdt_body, blocks) == 80, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, blocks)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->blocks) == 8, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->blocks)); - LASSERTF((int)offsetof(struct mdt_body, t_state) == 96, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, t_state)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->t_state) == 8, + LASSERTF((int)offsetof(struct mdt_body, mbo_fid1) == 0, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_fid1)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_fid1) == 16, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_fid1)); + LASSERTF((int)offsetof(struct mdt_body, mbo_fid2) == 16, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_fid2)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_fid2) == 16, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_fid2)); + LASSERTF((int)offsetof(struct mdt_body, mbo_handle) == 32, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_handle)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_handle) == 8, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_handle)); + LASSERTF((int)offsetof(struct mdt_body, mbo_valid) == 40, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_valid)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_valid) == 8, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_valid)); + LASSERTF((int)offsetof(struct mdt_body, mbo_size) == 48, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_size)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_size) == 8, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_size)); + LASSERTF((int)offsetof(struct mdt_body, mbo_mtime) == 56, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_mtime)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_mtime) == 8, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_mtime)); + LASSERTF((int)offsetof(struct mdt_body, mbo_atime) == 64, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_atime)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_atime) == 8, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_atime)); + LASSERTF((int)offsetof(struct mdt_body, mbo_ctime) == 72, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_ctime)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_ctime) == 8, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_ctime)); + LASSERTF((int)offsetof(struct mdt_body, mbo_blocks) == 80, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_blocks)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_blocks) == 8, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_blocks)); + LASSERTF((int)offsetof(struct mdt_body, mbo_t_state) == 96, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_t_state)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_t_state) == 8, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->t_state)); - LASSERTF((int)offsetof(struct mdt_body, fsuid) == 104, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, fsuid)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->fsuid) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->fsuid)); - LASSERTF((int)offsetof(struct mdt_body, fsgid) == 108, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, fsgid)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->fsgid) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->fsgid)); - LASSERTF((int)offsetof(struct mdt_body, capability) == 112, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, capability)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->capability) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->capability)); - LASSERTF((int)offsetof(struct mdt_body, mode) == 116, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, mode)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->mode) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->mode)); - LASSERTF((int)offsetof(struct mdt_body, uid) == 120, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, uid)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->uid) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->uid)); - LASSERTF((int)offsetof(struct mdt_body, gid) == 124, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, gid)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->gid) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->gid)); - LASSERTF((int)offsetof(struct mdt_body, flags) == 128, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, flags)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->flags) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->flags)); - LASSERTF((int)offsetof(struct mdt_body, rdev) == 132, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, rdev)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->rdev) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->rdev)); - LASSERTF((int)offsetof(struct mdt_body, nlink) == 136, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, nlink)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->nlink) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->nlink)); - LASSERTF((int)offsetof(struct mdt_body, unused2) == 140, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, unused2)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->unused2) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->unused2)); - LASSERTF((int)offsetof(struct mdt_body, suppgid) == 144, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, suppgid)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->suppgid) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->suppgid)); - LASSERTF((int)offsetof(struct mdt_body, eadatasize) == 148, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, eadatasize)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->eadatasize) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->eadatasize)); - LASSERTF((int)offsetof(struct mdt_body, aclsize) == 152, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, aclsize)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->aclsize) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->aclsize)); - LASSERTF((int)offsetof(struct mdt_body, max_mdsize) == 156, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, max_mdsize)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->max_mdsize) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->max_mdsize)); - LASSERTF((int)offsetof(struct mdt_body, max_cookiesize) == 160, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, max_cookiesize)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->max_cookiesize) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->max_cookiesize)); - LASSERTF((int)offsetof(struct mdt_body, uid_h) == 164, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, uid_h)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->uid_h) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->uid_h)); - LASSERTF((int)offsetof(struct mdt_body, gid_h) == 168, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, gid_h)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->gid_h) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->gid_h)); - LASSERTF((int)offsetof(struct mdt_body, padding_5) == 172, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, padding_5)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->padding_5) == 4, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->padding_5)); - LASSERTF((int)offsetof(struct mdt_body, padding_6) == 176, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, padding_6)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->padding_6) == 8, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->padding_6)); - LASSERTF((int)offsetof(struct mdt_body, padding_7) == 184, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, padding_7)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->padding_7) == 8, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->padding_7)); - LASSERTF((int)offsetof(struct mdt_body, padding_8) == 192, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, padding_8)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->padding_8) == 8, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->padding_8)); - LASSERTF((int)offsetof(struct mdt_body, padding_9) == 200, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, padding_9)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->padding_9) == 8, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->padding_9)); - LASSERTF((int)offsetof(struct mdt_body, padding_10) == 208, "found %lld\n", - (long long)(int)offsetof(struct mdt_body, padding_10)); - LASSERTF((int)sizeof(((struct mdt_body *)0)->padding_10) == 8, "found %lld\n", - (long long)(int)sizeof(((struct mdt_body *)0)->padding_10)); + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_t_state)); + LASSERTF((int)offsetof(struct mdt_body, mbo_fsuid) == 104, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_fsuid)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_fsuid) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_fsuid)); + LASSERTF((int)offsetof(struct mdt_body, mbo_fsgid) == 108, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_fsgid)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_fsgid) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_fsgid)); + LASSERTF((int)offsetof(struct mdt_body, mbo_capability) == 112, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_capability)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_capability) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_capability)); + LASSERTF((int)offsetof(struct mdt_body, mbo_mode) == 116, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_mode)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_mode) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_mode)); + LASSERTF((int)offsetof(struct mdt_body, mbo_uid) == 120, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_uid)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_uid) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_uid)); + LASSERTF((int)offsetof(struct mdt_body, mbo_gid) == 124, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_gid)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_gid) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_gid)); + LASSERTF((int)offsetof(struct mdt_body, mbo_flags) == 128, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_flags)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_flags) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_flags)); + LASSERTF((int)offsetof(struct mdt_body, mbo_rdev) == 132, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_rdev)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_rdev) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_rdev)); + LASSERTF((int)offsetof(struct mdt_body, mbo_nlink) == 136, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_nlink)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_nlink) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_nlink)); + LASSERTF((int)offsetof(struct mdt_body, mbo_unused2) == 140, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_unused2)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_unused2) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_unused2)); + LASSERTF((int)offsetof(struct mdt_body, mbo_suppgid) == 144, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_suppgid)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_suppgid) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_suppgid)); + LASSERTF((int)offsetof(struct mdt_body, mbo_eadatasize) == 148, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_eadatasize)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_eadatasize) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_eadatasize)); + LASSERTF((int)offsetof(struct mdt_body, mbo_aclsize) == 152, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_aclsize)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_aclsize) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_aclsize)); + LASSERTF((int)offsetof(struct mdt_body, mbo_max_mdsize) == 156, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_max_mdsize)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_max_mdsize) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_max_mdsize)); + LASSERTF((int)offsetof(struct mdt_body, mbo_max_cookiesize) == 160, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_max_cookiesize)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_max_cookiesize) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_max_cookiesize)); + LASSERTF((int)offsetof(struct mdt_body, mbo_uid_h) == 164, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_uid_h)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_uid_h) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_uid_h)); + LASSERTF((int)offsetof(struct mdt_body, mbo_gid_h) == 168, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_gid_h)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_gid_h) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_gid_h)); + LASSERTF((int)offsetof(struct mdt_body, mbo_padding_5) == 172, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_padding_5)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_padding_5) == 4, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_padding_5)); + LASSERTF((int)offsetof(struct mdt_body, mbo_padding_6) == 176, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_padding_6)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_padding_6) == 8, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_padding_6)); + LASSERTF((int)offsetof(struct mdt_body, mbo_padding_7) == 184, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_padding_7)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_padding_7) == 8, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_padding_7)); + LASSERTF((int)offsetof(struct mdt_body, mbo_padding_8) == 192, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_padding_8)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_padding_8) == 8, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_padding_8)); + LASSERTF((int)offsetof(struct mdt_body, mbo_padding_9) == 200, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_padding_9)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_padding_9) == 8, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_padding_9)); + LASSERTF((int)offsetof(struct mdt_body, mbo_padding_10) == 208, "found %lld\n", + (long long)(int)offsetof(struct mdt_body, mbo_padding_10)); + LASSERTF((int)sizeof(((struct mdt_body *)0)->mbo_padding_10) == 8, "found %lld\n", + (long long)(int)sizeof(((struct mdt_body *)0)->mbo_padding_10)); LASSERTF(MDS_FMODE_CLOSED == 000000000000UL, "found 0%.11oUL\n", - MDS_FMODE_CLOSED); + MDS_FMODE_CLOSED); LASSERTF(MDS_FMODE_EXEC == 000000000004UL, "found 0%.11oUL\n", - MDS_FMODE_EXEC); + MDS_FMODE_EXEC); LASSERTF(MDS_FMODE_EPOCH == 000001000000UL, "found 0%.11oUL\n", - MDS_FMODE_EPOCH); + MDS_FMODE_EPOCH); LASSERTF(MDS_FMODE_TRUNC == 000002000000UL, "found 0%.11oUL\n", - MDS_FMODE_TRUNC); + MDS_FMODE_TRUNC); LASSERTF(MDS_FMODE_SOM == 000004000000UL, "found 0%.11oUL\n", - MDS_FMODE_SOM); + MDS_FMODE_SOM); LASSERTF(MDS_OPEN_CREATED == 000000000010UL, "found 0%.11oUL\n", - MDS_OPEN_CREATED); + MDS_OPEN_CREATED); LASSERTF(MDS_OPEN_CROSS == 000000000020UL, "found 0%.11oUL\n", - MDS_OPEN_CROSS); + MDS_OPEN_CROSS); LASSERTF(MDS_OPEN_CREAT == 000000000100UL, "found 0%.11oUL\n", - MDS_OPEN_CREAT); + MDS_OPEN_CREAT); LASSERTF(MDS_OPEN_EXCL == 000000000200UL, "found 0%.11oUL\n", - MDS_OPEN_EXCL); + MDS_OPEN_EXCL); LASSERTF(MDS_OPEN_TRUNC == 000000001000UL, "found 0%.11oUL\n", - MDS_OPEN_TRUNC); + MDS_OPEN_TRUNC); LASSERTF(MDS_OPEN_APPEND == 000000002000UL, "found 0%.11oUL\n", - MDS_OPEN_APPEND); + MDS_OPEN_APPEND); LASSERTF(MDS_OPEN_SYNC == 000000010000UL, "found 0%.11oUL\n", - MDS_OPEN_SYNC); + MDS_OPEN_SYNC); LASSERTF(MDS_OPEN_DIRECTORY == 000000200000UL, "found 0%.11oUL\n", - MDS_OPEN_DIRECTORY); + MDS_OPEN_DIRECTORY); LASSERTF(MDS_OPEN_BY_FID == 000040000000UL, "found 0%.11oUL\n", - MDS_OPEN_BY_FID); + MDS_OPEN_BY_FID); LASSERTF(MDS_OPEN_DELAY_CREATE == 000100000000UL, "found 0%.11oUL\n", - MDS_OPEN_DELAY_CREATE); + MDS_OPEN_DELAY_CREATE); LASSERTF(MDS_OPEN_OWNEROVERRIDE == 000200000000UL, "found 0%.11oUL\n", - MDS_OPEN_OWNEROVERRIDE); + MDS_OPEN_OWNEROVERRIDE); LASSERTF(MDS_OPEN_JOIN_FILE == 000400000000UL, "found 0%.11oUL\n", - MDS_OPEN_JOIN_FILE); + MDS_OPEN_JOIN_FILE); LASSERTF(MDS_OPEN_LOCK == 004000000000UL, "found 0%.11oUL\n", - MDS_OPEN_LOCK); + MDS_OPEN_LOCK); LASSERTF(MDS_OPEN_HAS_EA == 010000000000UL, "found 0%.11oUL\n", - MDS_OPEN_HAS_EA); + MDS_OPEN_HAS_EA); LASSERTF(MDS_OPEN_HAS_OBJS == 020000000000UL, "found 0%.11oUL\n", - MDS_OPEN_HAS_OBJS); + MDS_OPEN_HAS_OBJS); LASSERTF(MDS_OPEN_NORESTORE == 00000000000100000000000ULL, "found 0%.22lloULL\n", - (long long)MDS_OPEN_NORESTORE); + (long long)MDS_OPEN_NORESTORE); LASSERTF(MDS_OPEN_NEWSTRIPE == 00000000000200000000000ULL, "found 0%.22lloULL\n", - (long long)MDS_OPEN_NEWSTRIPE); + (long long)MDS_OPEN_NEWSTRIPE); LASSERTF(MDS_OPEN_VOLATILE == 00000000000400000000000ULL, "found 0%.22lloULL\n", - (long long)MDS_OPEN_VOLATILE); + (long long)MDS_OPEN_VOLATILE); LASSERTF(LUSTRE_SYNC_FL == 0x00000008, "found 0x%.8x\n", - LUSTRE_SYNC_FL); + LUSTRE_SYNC_FL); LASSERTF(LUSTRE_IMMUTABLE_FL == 0x00000010, "found 0x%.8x\n", - LUSTRE_IMMUTABLE_FL); + LUSTRE_IMMUTABLE_FL); LASSERTF(LUSTRE_APPEND_FL == 0x00000020, "found 0x%.8x\n", - LUSTRE_APPEND_FL); + LUSTRE_APPEND_FL); LASSERTF(LUSTRE_NOATIME_FL == 0x00000080, "found 0x%.8x\n", - LUSTRE_NOATIME_FL); + LUSTRE_NOATIME_FL); LASSERTF(LUSTRE_DIRSYNC_FL == 0x00010000, "found 0x%.8x\n", - LUSTRE_DIRSYNC_FL); + LUSTRE_DIRSYNC_FL); LASSERTF(MDS_INODELOCK_LOOKUP == 0x000001, "found 0x%.8x\n", - MDS_INODELOCK_LOOKUP); + MDS_INODELOCK_LOOKUP); LASSERTF(MDS_INODELOCK_UPDATE == 0x000002, "found 0x%.8x\n", - MDS_INODELOCK_UPDATE); + MDS_INODELOCK_UPDATE); LASSERTF(MDS_INODELOCK_OPEN == 0x000004, "found 0x%.8x\n", - MDS_INODELOCK_OPEN); + MDS_INODELOCK_OPEN); LASSERTF(MDS_INODELOCK_LAYOUT == 0x000008, "found 0x%.8x\n", - MDS_INODELOCK_LAYOUT); + MDS_INODELOCK_LAYOUT); /* Checks for struct mdt_ioepoch */ LASSERTF((int)sizeof(struct mdt_ioepoch) == 24, "found %lld\n", @@ -2617,35 +2674,6 @@ void lustre_assert_wire_constants(void) LASSERTF((int)sizeof(((struct lmv_desc *)0)->ld_uuid) == 40, "found %lld\n", (long long)(int)sizeof(((struct lmv_desc *)0)->ld_uuid)); - /* Checks for struct lmv_stripe_md */ - LASSERTF((int)sizeof(struct lmv_stripe_md) == 32, "found %lld\n", - (long long)(int)sizeof(struct lmv_stripe_md)); - LASSERTF((int)offsetof(struct lmv_stripe_md, mea_magic) == 0, "found %lld\n", - (long long)(int)offsetof(struct lmv_stripe_md, mea_magic)); - LASSERTF((int)sizeof(((struct lmv_stripe_md *)0)->mea_magic) == 4, "found %lld\n", - (long long)(int)sizeof(((struct lmv_stripe_md *)0)->mea_magic)); - LASSERTF((int)offsetof(struct lmv_stripe_md, mea_count) == 4, "found %lld\n", - (long long)(int)offsetof(struct lmv_stripe_md, mea_count)); - LASSERTF((int)sizeof(((struct lmv_stripe_md *)0)->mea_count) == 4, "found %lld\n", - (long long)(int)sizeof(((struct lmv_stripe_md *)0)->mea_count)); - LASSERTF((int)offsetof(struct lmv_stripe_md, mea_master) == 8, "found %lld\n", - (long long)(int)offsetof(struct lmv_stripe_md, mea_master)); - LASSERTF((int)sizeof(((struct lmv_stripe_md *)0)->mea_master) == 4, "found %lld\n", - (long long)(int)sizeof(((struct lmv_stripe_md *)0)->mea_master)); - LASSERTF((int)offsetof(struct lmv_stripe_md, mea_padding) == 12, "found %lld\n", - (long long)(int)offsetof(struct lmv_stripe_md, mea_padding)); - LASSERTF((int)sizeof(((struct lmv_stripe_md *)0)->mea_padding) == 4, "found %lld\n", - (long long)(int)sizeof(((struct lmv_stripe_md *)0)->mea_padding)); - CLASSERT(LOV_MAXPOOLNAME == 16); - LASSERTF((int)offsetof(struct lmv_stripe_md, mea_pool_name[16]) == 32, "found %lld\n", - (long long)(int)offsetof(struct lmv_stripe_md, mea_pool_name[16])); - LASSERTF((int)sizeof(((struct lmv_stripe_md *)0)->mea_pool_name[16]) == 1, "found %lld\n", - (long long)(int)sizeof(((struct lmv_stripe_md *)0)->mea_pool_name[16])); - LASSERTF((int)offsetof(struct lmv_stripe_md, mea_ids[0]) == 32, "found %lld\n", - (long long)(int)offsetof(struct lmv_stripe_md, mea_ids[0])); - LASSERTF((int)sizeof(((struct lmv_stripe_md *)0)->mea_ids[0]) == 16, "found %lld\n", - (long long)(int)sizeof(((struct lmv_stripe_md *)0)->mea_ids[0])); - /* Checks for struct lov_desc */ LASSERTF((int)sizeof(struct lov_desc) == 88, "found %lld\n", (long long)(int)sizeof(struct lov_desc)); @@ -3195,10 +3223,10 @@ void lustre_assert_wire_constants(void) (long long)(int)offsetof(struct llog_setattr64_rec, lsr_gid_h)); LASSERTF((int)sizeof(((struct llog_setattr64_rec *)0)->lsr_gid_h) == 4, "found %lld\n", (long long)(int)sizeof(((struct llog_setattr64_rec *)0)->lsr_gid_h)); - LASSERTF((int)offsetof(struct llog_setattr64_rec, lsr_padding) == 48, "found %lld\n", - (long long)(int)offsetof(struct llog_setattr64_rec, lsr_padding)); - LASSERTF((int)sizeof(((struct llog_setattr64_rec *)0)->lsr_padding) == 8, "found %lld\n", - (long long)(int)sizeof(((struct llog_setattr64_rec *)0)->lsr_padding)); + LASSERTF((int)offsetof(struct llog_setattr64_rec, lsr_valid) == 48, "found %lld\n", + (long long)(int)offsetof(struct llog_setattr64_rec, lsr_valid)); + LASSERTF((int)sizeof(((struct llog_setattr64_rec *)0)->lsr_valid) == 8, "found %lld\n", + (long long)(int)sizeof(((struct llog_setattr64_rec *)0)->lsr_valid)); LASSERTF((int)offsetof(struct llog_setattr64_rec, lsr_tail) == 56, "found %lld\n", (long long)(int)offsetof(struct llog_setattr64_rec, lsr_tail)); LASSERTF((int)sizeof(((struct llog_setattr64_rec *)0)->lsr_tail) == 8, "found %lld\n", @@ -3506,6 +3534,19 @@ void lustre_assert_wire_constants(void) CLASSERT(LLOG_ORIGIN_HANDLE_DESTROY == 509); CLASSERT(LLOG_FIRST_OPC == 501); CLASSERT(LLOG_LAST_OPC == 510); + CLASSERT(LLOG_CONFIG_ORIG_CTXT == 0); + CLASSERT(LLOG_CONFIG_REPL_CTXT == 1); + CLASSERT(LLOG_MDS_OST_ORIG_CTXT == 2); + CLASSERT(LLOG_MDS_OST_REPL_CTXT == 3); + CLASSERT(LLOG_SIZE_ORIG_CTXT == 4); + CLASSERT(LLOG_SIZE_REPL_CTXT == 5); + CLASSERT(LLOG_TEST_ORIG_CTXT == 8); + CLASSERT(LLOG_TEST_REPL_CTXT == 9); + CLASSERT(LLOG_CHANGELOG_ORIG_CTXT == 12); + CLASSERT(LLOG_CHANGELOG_REPL_CTXT == 13); + CLASSERT(LLOG_CHANGELOG_USER_ORIG_CTXT == 14); + CLASSERT(LLOG_AGENT_ORIG_CTXT == 15); + CLASSERT(LLOG_MAX_CTXTS == 16); /* Checks for struct llogd_conn_body */ LASSERTF((int)sizeof(struct llogd_conn_body) == 40, "found %lld\n", @@ -3943,9 +3984,9 @@ void lustre_assert_wire_constants(void) LASSERTF((int)sizeof(((struct hsm_progress *)0)->padding) == 4, "found %lld\n", (long long)(int)sizeof(((struct hsm_progress *)0)->padding)); LASSERTF(HP_FLAG_COMPLETED == 0x01, "found 0x%.8x\n", - HP_FLAG_COMPLETED); + HP_FLAG_COMPLETED); LASSERTF(HP_FLAG_RETRY == 0x02, "found 0x%.8x\n", - HP_FLAG_RETRY); + HP_FLAG_RETRY); LASSERTF((int)offsetof(struct hsm_copy, hc_data_version) == 0, "found %lld\n", (long long)(int)offsetof(struct hsm_copy, hc_data_version)); @@ -4100,9 +4141,9 @@ void lustre_assert_wire_constants(void) LASSERTF((int)sizeof(((struct hsm_request *)0)->hr_data_len) == 4, "found %lld\n", (long long)(int)sizeof(((struct hsm_request *)0)->hr_data_len)); LASSERTF(HSM_FORCE_ACTION == 0x00000001UL, "found 0x%.8xUL\n", - (unsigned)HSM_FORCE_ACTION); + (unsigned)HSM_FORCE_ACTION); LASSERTF(HSM_GHOST_COPY == 0x00000002UL, "found 0x%.8xUL\n", - (unsigned)HSM_GHOST_COPY); + (unsigned)HSM_GHOST_COPY); /* Checks for struct hsm_user_request */ LASSERTF((int)sizeof(struct hsm_user_request) == 24, "found %lld\n", diff --git a/drivers/staging/media/lirc/lirc_imon.c b/drivers/staging/media/lirc/lirc_imon.c index ff1926ca1f96..a183e68ec320 100644 --- a/drivers/staging/media/lirc/lirc_imon.c +++ b/drivers/staging/media/lirc/lirc_imon.c @@ -797,16 +797,11 @@ static int imon_probe(struct usb_interface *interface, goto free_rbuf; } rx_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!rx_urb) { - dev_err(dev, "%s: usb_alloc_urb failed for IR urb\n", __func__); + if (!rx_urb) goto free_lirc_buf; - } tx_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!tx_urb) { - dev_err(dev, "%s: usb_alloc_urb failed for display urb\n", - __func__); + if (!tx_urb) goto free_rx_urb; - } mutex_init(&context->ctx_lock); context->vfd_proto_6p = vfd_proto_6p; diff --git a/drivers/staging/media/lirc/lirc_sasem.c b/drivers/staging/media/lirc/lirc_sasem.c index 2218d0042030..b080fde6d740 100644 --- a/drivers/staging/media/lirc/lirc_sasem.c +++ b/drivers/staging/media/lirc/lirc_sasem.c @@ -758,17 +758,12 @@ static int sasem_probe(struct usb_interface *interface, } rx_urb = usb_alloc_urb(0, GFP_KERNEL); if (!rx_urb) { - dev_err(&interface->dev, - "%s: usb_alloc_urb failed for IR urb\n", __func__); alloc_status = 5; goto alloc_status_switch; } if (vfd_ep_found) { tx_urb = usb_alloc_urb(0, GFP_KERNEL); if (!tx_urb) { - dev_err(&interface->dev, - "%s: usb_alloc_urb failed for VFD urb", - __func__); alloc_status = 6; goto alloc_status_switch; } diff --git a/drivers/staging/most/aim-cdev/cdev.c b/drivers/staging/most/aim-cdev/cdev.c index de4f76abfb47..1c20ae69c561 100644 --- a/drivers/staging/most/aim-cdev/cdev.c +++ b/drivers/staging/most/aim-cdev/cdev.c @@ -130,7 +130,7 @@ static int aim_open(struct inode *inode, struct file *filp) if (!c->dev) { pr_info("WARN: Device is destroyed\n"); mutex_unlock(&c->io_mutex); - return -EBUSY; + return -ENODEV; } if (c->access_ref) { @@ -201,7 +201,7 @@ static ssize_t aim_write(struct file *filp, const char __user *buf, } if (unlikely(!c->dev)) { - ret = -EPIPE; + ret = -ENODEV; goto unlock; } @@ -256,7 +256,7 @@ aim_read(struct file *filp, char __user *buf, size_t count, loff_t *offset) /* make sure we don't submit to gone devices */ if (unlikely(!c->dev)) { mutex_unlock(&c->io_mutex); - return -EIO; + return -ENODEV; } to_copy = min_t(size_t, @@ -366,7 +366,7 @@ static int aim_rx_completion(struct mbo *mbo) spin_lock(&c->unlink); if (!c->access_ref || !c->dev) { spin_unlock(&c->unlink); - return -EFAULT; + return -ENODEV; } kfifo_in(&c->fifo, &mbo, 1); spin_unlock(&c->unlink); @@ -499,23 +499,27 @@ static struct most_aim cdev_aim = { static int __init mod_init(void) { + int err; + pr_info("init()\n"); INIT_LIST_HEAD(&channel_list); spin_lock_init(&ch_list_lock); ida_init(&minor_id); - if (alloc_chrdev_region(&aim_devno, 0, 50, "cdev") < 0) - return -EIO; + err = alloc_chrdev_region(&aim_devno, 0, 50, "cdev"); + if (err < 0) + goto dest_ida; major = MAJOR(aim_devno); aim_class = class_create(THIS_MODULE, "most_cdev_aim"); if (IS_ERR(aim_class)) { pr_err("no udev support\n"); + err = PTR_ERR(aim_class); goto free_cdev; } - - if (most_register_aim(&cdev_aim)) + err = most_register_aim(&cdev_aim); + if (err) goto dest_class; return 0; @@ -523,7 +527,9 @@ dest_class: class_destroy(aim_class); free_cdev: unregister_chrdev_region(aim_devno, 1); - return -EIO; +dest_ida: + ida_destroy(&minor_id); + return err; } static void __exit mod_exit(void) diff --git a/drivers/staging/most/aim-network/networking.c b/drivers/staging/most/aim-network/networking.c index 2f42de44d051..4659a6450c04 100644 --- a/drivers/staging/most/aim-network/networking.c +++ b/drivers/staging/most/aim-network/networking.c @@ -298,15 +298,16 @@ static struct net_dev_context *get_net_dev_context( struct most_interface *iface) { struct net_dev_context *nd, *tmp; + unsigned long flags; - spin_lock(&list_lock); + spin_lock_irqsave(&list_lock, flags); list_for_each_entry_safe(nd, tmp, &net_devices, list) { if (nd->iface == iface) { - spin_unlock(&list_lock); + spin_unlock_irqrestore(&list_lock, flags); return nd; } } - spin_unlock(&list_lock); + spin_unlock_irqrestore(&list_lock, flags); return NULL; } @@ -316,6 +317,7 @@ static int aim_probe_channel(struct most_interface *iface, int channel_idx, { struct net_dev_context *nd; struct net_dev_channel *ch; + unsigned long flags; if (!iface) return -EINVAL; @@ -332,9 +334,9 @@ static int aim_probe_channel(struct most_interface *iface, int channel_idx, nd->iface = iface; - spin_lock(&list_lock); + spin_lock_irqsave(&list_lock, flags); list_add(&nd->list, &net_devices); - spin_unlock(&list_lock); + spin_unlock_irqrestore(&list_lock, flags); } ch = ccfg->direction == MOST_CH_TX ? &nd->tx : &nd->rx; @@ -377,6 +379,7 @@ static int aim_disconnect_channel(struct most_interface *iface, { struct net_dev_context *nd; struct net_dev_channel *ch; + unsigned long flags; nd = get_net_dev_context(iface); if (!nd) @@ -398,9 +401,9 @@ static int aim_disconnect_channel(struct most_interface *iface, most_net_rm_netdev_safe(nd); if (!nd->rx.linked && !nd->tx.linked) { - spin_lock(&list_lock); + spin_lock_irqsave(&list_lock, flags); list_del(&nd->list); - spin_unlock(&list_lock); + spin_unlock_irqrestore(&list_lock, flags); kfree(nd); } @@ -514,20 +517,21 @@ static int __init most_net_init(void) static void __exit most_net_exit(void) { struct net_dev_context *nd, *tmp; + unsigned long flags; - spin_lock(&list_lock); + spin_lock_irqsave(&list_lock, flags); list_for_each_entry_safe(nd, tmp, &net_devices, list) { list_del(&nd->list); - spin_unlock(&list_lock); + spin_unlock_irqrestore(&list_lock, flags); /* * do not call most_stop_channel() here, because channels are * going to be closed in ndo_stop() after unregister_netdev() */ most_net_rm_netdev_safe(nd); kfree(nd); - spin_lock(&list_lock); + spin_lock_irqsave(&list_lock, flags); } - spin_unlock(&list_lock); + spin_unlock_irqrestore(&list_lock, flags); most_deregister_aim(&aim); pr_info("most_net_exit()\n"); diff --git a/drivers/staging/most/aim-v4l2/video.c b/drivers/staging/most/aim-v4l2/video.c index 13abf7c275a4..150dc895a34b 100644 --- a/drivers/staging/most/aim-v4l2/video.c +++ b/drivers/staging/most/aim-v4l2/video.c @@ -79,7 +79,7 @@ static int aim_vdev_open(struct file *filp) struct most_video_dev *mdev = video_drvdata(filp); struct aim_fh *fh; - pr_info("aim_vdev_open()\n"); + v4l2_info(&mdev->v4l2_dev, "aim_vdev_open()\n"); switch (vdev->vfl_type) { case VFL_TYPE_GRABBER: @@ -93,7 +93,7 @@ static int aim_vdev_open(struct file *filp) return -ENOMEM; if (!atomic_inc_and_test(&mdev->access_ref)) { - pr_err("too many clients\n"); + v4l2_err(&mdev->v4l2_dev, "too many clients\n"); ret = -EBUSY; goto err_dec; } @@ -106,7 +106,7 @@ static int aim_vdev_open(struct file *filp) ret = most_start_channel(mdev->iface, mdev->ch_idx, &aim_info); if (ret) { - pr_err("most_start_channel() failed\n"); + v4l2_err(&mdev->v4l2_dev, "most_start_channel() failed\n"); goto err_rm; } @@ -128,7 +128,7 @@ static int aim_vdev_close(struct file *filp) struct most_video_dev *mdev = fh->mdev; struct mbo *mbo, *tmp; - pr_info("aim_vdev_close()\n"); + v4l2_info(&mdev->v4l2_dev, "aim_vdev_close()\n"); /* * We need to put MBOs back before we call most_stop_channel() @@ -139,15 +139,15 @@ static int aim_vdev_close(struct file *filp) * This must be implemented in core. */ - spin_lock(&mdev->list_lock); + spin_lock_irq(&mdev->list_lock); mdev->mute = true; list_for_each_entry_safe(mbo, tmp, &mdev->pending_mbos, list) { list_del(&mbo->list); - spin_unlock(&mdev->list_lock); + spin_unlock_irq(&mdev->list_lock); most_put_mbo(mbo); - spin_lock(&mdev->list_lock); + spin_lock_irq(&mdev->list_lock); } - spin_unlock(&mdev->list_lock); + spin_unlock_irq(&mdev->list_lock); most_stop_channel(mdev->iface, mdev->ch_idx, &aim_info); mdev->mute = false; @@ -187,7 +187,7 @@ static ssize_t aim_vdev_read(struct file *filp, char __user *buf, int const cnt = rem < count ? rem : count; if (copy_to_user(buf, mbo->virt_address + fh->offs, cnt)) { - pr_err("read: copy_to_user failed\n"); + v4l2_err(&mdev->v4l2_dev, "read: copy_to_user failed\n"); if (!ret) ret = -EFAULT; return ret; @@ -200,9 +200,9 @@ static ssize_t aim_vdev_read(struct file *filp, char __user *buf, if (cnt >= rem) { fh->offs = 0; - spin_lock(&mdev->list_lock); + spin_lock_irq(&mdev->list_lock); list_del(&mbo->list); - spin_unlock(&mdev->list_lock); + spin_unlock_irq(&mdev->list_lock); most_put_mbo(mbo); } } @@ -250,16 +250,16 @@ static int aim_set_format(struct most_video_dev *mdev, unsigned int cmd, return 0; } -static int vidioc_querycap(struct file *file, void *priv, +static int vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { struct aim_fh *fh = priv; struct most_video_dev *mdev = fh->mdev; - pr_info("vidioc_querycap()\n"); + v4l2_info(&mdev->v4l2_dev, "vidioc_querycap()\n"); strlcpy(cap->driver, "v4l2_most_aim", sizeof(cap->driver)); - strlcpy(cap->card, "my_card", sizeof(cap->card)); + strlcpy(cap->card, "MOST", sizeof(cap->card)); snprintf(cap->bus_info, sizeof(cap->bus_info), "%s", mdev->iface->description); @@ -270,10 +270,13 @@ static int vidioc_querycap(struct file *file, void *priv, return 0; } -static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, +static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { - pr_info("vidioc_enum_fmt_vid_cap() %d\n", f->index); + struct aim_fh *fh = priv; + struct most_video_dev *mdev = fh->mdev; + + v4l2_info(&mdev->v4l2_dev, "vidioc_enum_fmt_vid_cap() %d\n", f->index); if (f->index) return -EINVAL; @@ -289,7 +292,10 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { - pr_info("vidioc_g_fmt_vid_cap()\n"); + struct aim_fh *fh = priv; + struct most_video_dev *mdev = fh->mdev; + + v4l2_info(&mdev->v4l2_dev, "vidioc_g_fmt_vid_cap()\n"); aim_set_format_struct(f); return 0; @@ -298,7 +304,7 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { - struct aim_fh *fh = priv; + struct aim_fh *fh = priv; struct most_video_dev *mdev = fh->mdev; return aim_set_format(mdev, VIDIOC_TRY_FMT, f); @@ -307,7 +313,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { - struct aim_fh *fh = priv; + struct aim_fh *fh = priv; struct most_video_dev *mdev = fh->mdev; return aim_set_format(mdev, VIDIOC_S_FMT, f); @@ -315,7 +321,10 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) { - pr_info("vidioc_g_std()\n"); + struct aim_fh *fh = priv; + struct most_video_dev *mdev = fh->mdev; + + v4l2_info(&mdev->v4l2_dev, "vidioc_g_std()\n"); *norm = V4L2_STD_UNKNOWN; return 0; @@ -352,7 +361,7 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int index) struct aim_fh *fh = priv; struct most_video_dev *mdev = fh->mdev; - pr_info("vidioc_s_input(%d)\n", index); + v4l2_info(&mdev->v4l2_dev, "vidioc_s_input(%d)\n", index); if (index >= V4L2_AIM_MAX_INPUT) return -EINVAL; @@ -393,45 +402,46 @@ static const struct video_device aim_videodev_template = { static struct most_video_dev *get_aim_dev( struct most_interface *iface, int channel_idx) { - struct most_video_dev *mdev, *tmp; + struct most_video_dev *mdev; + unsigned long flags; - spin_lock(&list_lock); - list_for_each_entry_safe(mdev, tmp, &video_devices, list) { + spin_lock_irqsave(&list_lock, flags); + list_for_each_entry(mdev, &video_devices, list) { if (mdev->iface == iface && mdev->ch_idx == channel_idx) { - spin_unlock(&list_lock); + spin_unlock_irqrestore(&list_lock, flags); return mdev; } } - spin_unlock(&list_lock); + spin_unlock_irqrestore(&list_lock, flags); return NULL; } static int aim_rx_data(struct mbo *mbo) { + unsigned long flags; struct most_video_dev *mdev = get_aim_dev(mbo->ifp, mbo->hdm_channel_id); if (!mdev) return -EIO; - spin_lock(&mdev->list_lock); + spin_lock_irqsave(&mdev->list_lock, flags); if (unlikely(mdev->mute)) { - spin_unlock(&mdev->list_lock); + spin_unlock_irqrestore(&mdev->list_lock, flags); return -EIO; } list_add_tail(&mbo->list, &mdev->pending_mbos); - spin_unlock(&mdev->list_lock); + spin_unlock_irqrestore(&mdev->list_lock, flags); wake_up_interruptible(&mdev->wait_data); return 0; } static int aim_register_videodev(struct most_video_dev *mdev) { - int retval = -ENOMEM; int ret; - pr_info("aim_register_videodev()\n"); + v4l2_info(&mdev->v4l2_dev, "aim_register_videodev()\n"); init_waitqueue_head(&mdev->wait_data); @@ -444,27 +454,24 @@ static int aim_register_videodev(struct most_video_dev *mdev) *mdev->vdev = aim_videodev_template; mdev->vdev->v4l2_dev = &mdev->v4l2_dev; mdev->vdev->lock = &mdev->lock; - strcpy(mdev->vdev->name, "most v4l2 aim video"); + snprintf(mdev->vdev->name, sizeof(mdev->vdev->name), "MOST: %s", + mdev->v4l2_dev.name); /* Register the v4l2 device */ video_set_drvdata(mdev->vdev, mdev); - retval = video_register_device(mdev->vdev, VFL_TYPE_GRABBER, -1); - if (retval != 0) { - pr_err("video_register_device failed (%d)\n", retval); - ret = -ENODEV; - goto err_vbi_dev; + ret = video_register_device(mdev->vdev, VFL_TYPE_GRABBER, -1); + if (ret) { + v4l2_err(&mdev->v4l2_dev, "video_register_device failed (%d)\n", + ret); + video_device_release(mdev->vdev); } - return 0; - -err_vbi_dev: - video_device_release(mdev->vdev); return ret; } static void aim_unregister_videodev(struct most_video_dev *mdev) { - pr_info("aim_unregister_videodev()\n"); + v4l2_info(&mdev->v4l2_dev, "aim_unregister_videodev()\n"); video_unregister_device(mdev->vdev); } @@ -485,7 +492,7 @@ static int aim_probe_channel(struct most_interface *iface, int channel_idx, int ret; struct most_video_dev *mdev = get_aim_dev(iface, channel_idx); - pr_info("aim_probe_channel()\n"); + pr_info("aim_probe_channel(%s)\n", name); if (mdev) { pr_err("channel already linked\n"); @@ -516,8 +523,7 @@ static int aim_probe_channel(struct most_interface *iface, int channel_idx, mdev->v4l2_dev.release = aim_v4l2_dev_release; /* Create the v4l2_device */ - strlcpy(mdev->v4l2_dev.name, "most_video_device", - sizeof(mdev->v4l2_dev.name)); + strlcpy(mdev->v4l2_dev.name, name, sizeof(mdev->v4l2_dev.name)); ret = v4l2_device_register(NULL, &mdev->v4l2_dev); if (ret) { pr_err("v4l2_device_register() failed\n"); @@ -529,9 +535,10 @@ static int aim_probe_channel(struct most_interface *iface, int channel_idx, if (ret) goto err_unreg; - spin_lock(&list_lock); + spin_lock_irq(&list_lock); list_add(&mdev->list, &video_devices); - spin_unlock(&list_lock); + spin_unlock_irq(&list_lock); + v4l2_info(&mdev->v4l2_dev, "aim_probe_channel() done\n"); return 0; err_unreg: @@ -545,16 +552,16 @@ static int aim_disconnect_channel(struct most_interface *iface, { struct most_video_dev *mdev = get_aim_dev(iface, channel_idx); - pr_info("aim_disconnect_channel()\n"); - if (!mdev) { pr_err("no such channel is linked\n"); return -ENOENT; } - spin_lock(&list_lock); + v4l2_info(&mdev->v4l2_dev, "aim_disconnect_channel()\n"); + + spin_lock_irq(&list_lock); list_del(&mdev->list); - spin_unlock(&list_lock); + spin_unlock_irq(&list_lock); aim_unregister_videodev(mdev); v4l2_device_disconnect(&mdev->v4l2_dev); @@ -585,17 +592,17 @@ static void __exit aim_exit(void) * we simulate this call here. * This must be fixed in core. */ - spin_lock(&list_lock); + spin_lock_irq(&list_lock); list_for_each_entry_safe(mdev, tmp, &video_devices, list) { list_del(&mdev->list); - spin_unlock(&list_lock); + spin_unlock_irq(&list_lock); aim_unregister_videodev(mdev); v4l2_device_disconnect(&mdev->v4l2_dev); v4l2_device_put(&mdev->v4l2_dev); - spin_lock(&list_lock); + spin_lock_irq(&list_lock); } - spin_unlock(&list_lock); + spin_unlock_irq(&list_lock); most_deregister_aim(&aim_info); BUG_ON(!list_empty(&video_devices)); diff --git a/drivers/staging/most/hdm-dim2/dim2_hal.c b/drivers/staging/most/hdm-dim2/dim2_hal.c index 3c524506ee22..20b69705cfdb 100644 --- a/drivers/staging/most/hdm-dim2/dim2_hal.c +++ b/drivers/staging/most/hdm-dim2/dim2_hal.c @@ -20,18 +20,6 @@ #include <linux/stddef.h> /* - * The number of frames per sub-buffer for synchronous channels. - * Allowed values: 1, 2, 4, 8, 16, 32, 64. - */ -#define FRAMES_PER_SUBBUFF 16 - -/* - * Size factor for synchronous DBR buffer. - * Minimal value is 4*FRAMES_PER_SUBBUFF. - */ -#define SYNC_DBR_FACTOR (4u * (u16)FRAMES_PER_SUBBUFF) - -/* * Size factor for isochronous DBR buffer. * Minimal value is 3. */ @@ -64,9 +52,6 @@ /* -------------------------------------------------------------------------- */ /* generic helper functions and macros */ -#define MLBC0_FCNT_VAL_MACRO(n) MLBC0_FCNT_VAL_ ## n ## FPSB -#define MLBC0_FCNT_VAL(fpsb) MLBC0_FCNT_VAL_MACRO(fpsb) - static inline u32 bit_mask(u8 position) { return (u32)1 << position; @@ -85,6 +70,7 @@ struct lld_global_vars_t { bool dim_is_initialized; bool mcm_is_initialized; struct dim2_regs __iomem *dim2; /* DIM2 core base address */ + u32 fcnt; u32 dbr_map[DBR_MAP_SIZE]; }; @@ -149,15 +135,34 @@ static void free_dbr(int offs, int size) /* -------------------------------------------------------------------------- */ -static u32 dim2_read_ctr(u32 ctr_addr, u16 mdat_idx) +static void dim2_transfer_madr(u32 val) { - dimcb_io_write(&g.dim2->MADR, ctr_addr); + dimcb_io_write(&g.dim2->MADR, val); - /* wait till transfer is completed */ + /* wait for transfer completion */ while ((dimcb_io_read(&g.dim2->MCTL) & 1) != 1) continue; dimcb_io_write(&g.dim2->MCTL, 0); /* clear transfer complete */ +} + +static void dim2_clear_dbr(u16 addr, u16 size) +{ + enum { MADR_TB_BIT = 30, MADR_WNR_BIT = 31 }; + + u16 const end_addr = addr + size; + u32 const cmd = bit_mask(MADR_WNR_BIT) | bit_mask(MADR_TB_BIT); + + dimcb_io_write(&g.dim2->MCTL, 0); /* clear transfer complete */ + dimcb_io_write(&g.dim2->MDAT0, 0); + + for (; addr < end_addr; addr++) + dim2_transfer_madr(cmd | addr); +} + +static u32 dim2_read_ctr(u32 ctr_addr, u16 mdat_idx) +{ + dim2_transfer_madr(ctr_addr); return dimcb_io_read((&g.dim2->MDAT0) + mdat_idx); } @@ -182,13 +187,7 @@ static void dim2_write_ctr_mask(u32 ctr_addr, const u32 *mask, const u32 *value) dimcb_io_write(&g.dim2->MDWE2, mask[2]); dimcb_io_write(&g.dim2->MDWE3, mask[3]); - dimcb_io_write(&g.dim2->MADR, bit_mask(MADR_WNR_BIT) | ctr_addr); - - /* wait till transfer is completed */ - while ((dimcb_io_read(&g.dim2->MCTL) & 1) != 1) - continue; - - dimcb_io_write(&g.dim2->MCTL, 0); /* clear transfer complete */ + dim2_transfer_madr(bit_mask(MADR_WNR_BIT) | ctr_addr); } static inline void dim2_write_ctr(u32 ctr_addr, const u32 *value) @@ -356,6 +355,9 @@ static void dim2_clear_channel(u8 ch_addr) dim2_clear_cat(MLB_CAT, ch_addr); dim2_clear_cdt(ch_addr); + + /* clear channel status bit */ + dimcb_io_write(&g.dim2->ACSR0, bit_mask(ch_addr)); } /* -------------------------------------------------------------------------- */ @@ -398,7 +400,8 @@ static inline bool check_packet_length(u32 packet_length) static inline bool check_bytes_per_frame(u32 bytes_per_frame) { - u16 const max_size = ((u16)CDT3_BD_MASK + 1u) / SYNC_DBR_FACTOR; + u16 const bd_factor = g.fcnt + 2; + u16 const max_size = ((u16)CDT3_BD_MASK + 1u) >> bd_factor; if (bytes_per_frame <= 0) return false; /* too small */ @@ -439,7 +442,7 @@ static inline u16 norm_sync_buffer_size(u16 buf_size, u16 bytes_per_frame) { u16 n; u16 const max_size = (u16)ADT1_ISOC_SYNC_BD_MASK + 1u; - u32 const unit = bytes_per_frame * (u16)FRAMES_PER_SUBBUFF; + u32 const unit = bytes_per_frame << g.fcnt; if (buf_size > max_size) buf_size = max_size; @@ -479,7 +482,7 @@ static void dim2_initialize(bool enable_6pin, u8 mlb_clock) dimcb_io_write(&g.dim2->MLBC0, enable_6pin << MLBC0_MLBPEN_BIT | mlb_clock << MLBC0_MLBCLK_SHIFT | - MLBC0_FCNT_VAL(FRAMES_PER_SUBBUFF) << MLBC0_FCNT_SHIFT | + g.fcnt << MLBC0_FCNT_SHIFT | true << MLBC0_MLBEN_BIT); /* activate all HBI channels */ @@ -650,7 +653,8 @@ static bool channel_detach_buffers(struct dim_channel *ch, u16 buffers_number) /* -------------------------------------------------------------------------- */ /* API */ -u8 dim_startup(struct dim2_regs __iomem *dim_base_address, u32 mlb_clock) +u8 dim_startup(struct dim2_regs __iomem *dim_base_address, u32 mlb_clock, + u32 fcnt) { g.dim_is_initialized = false; @@ -662,7 +666,11 @@ u8 dim_startup(struct dim2_regs __iomem *dim_base_address, u32 mlb_clock) if (mlb_clock >= 8) return DIM_INIT_ERR_MLB_CLOCK; + if (fcnt > MLBC0_FCNT_MAX_VAL) + return DIM_INIT_ERR_MLB_CLOCK; + g.dim2 = dim_base_address; + g.fcnt = fcnt; g.dbr_map[0] = 0; g.dbr_map[1] = 0; @@ -781,6 +789,8 @@ u8 dim_init_isoc(struct dim_channel *ch, u8 is_tx, u16 ch_address, u8 dim_init_sync(struct dim_channel *ch, u8 is_tx, u16 ch_address, u16 bytes_per_frame) { + u16 bd_factor = g.fcnt + 2; + if (!g.dim_is_initialized || !ch) return DIM_ERR_DRIVER_NOT_INITIALIZED; @@ -790,13 +800,14 @@ u8 dim_init_sync(struct dim_channel *ch, u8 is_tx, u16 ch_address, if (!check_bytes_per_frame(bytes_per_frame)) return DIM_ERR_BAD_CONFIG; - ch->dbr_size = bytes_per_frame * SYNC_DBR_FACTOR; + ch->dbr_size = bytes_per_frame << bd_factor; ch->dbr_addr = alloc_dbr(ch->dbr_size); if (ch->dbr_addr >= DBR_SIZE) return DIM_INIT_ERR_OUT_OF_MEMORY; sync_init(ch, ch_address / 2, bytes_per_frame); + dim2_clear_dbr(ch->dbr_addr, ch->dbr_size); dim2_configure_channel(ch->addr, CAT_CT_VAL_SYNC, is_tx, ch->dbr_addr, ch->dbr_size, 0, true); diff --git a/drivers/staging/most/hdm-dim2/dim2_hal.h b/drivers/staging/most/hdm-dim2/dim2_hal.h index 1c924e869de7..62eb5e7f81df 100644 --- a/drivers/staging/most/hdm-dim2/dim2_hal.h +++ b/drivers/staging/most/hdm-dim2/dim2_hal.h @@ -60,7 +60,8 @@ struct dim_channel { u16 done_sw_buffers_number; /*< Done software buffers number. */ }; -u8 dim_startup(struct dim2_regs __iomem *dim_base_address, u32 mlb_clock); +u8 dim_startup(struct dim2_regs __iomem *dim_base_address, u32 mlb_clock, + u32 fcnt); void dim_shutdown(void); diff --git a/drivers/staging/most/hdm-dim2/dim2_hdm.c b/drivers/staging/most/hdm-dim2/dim2_hdm.c index a36449551513..87039d9aa87f 100644 --- a/drivers/staging/most/hdm-dim2/dim2_hdm.c +++ b/drivers/staging/most/hdm-dim2/dim2_hdm.c @@ -45,6 +45,17 @@ module_param(clock_speed, charp, 0); MODULE_PARM_DESC(clock_speed, "MediaLB Clock Speed"); /* + * The parameter representing the number of frames per sub-buffer for + * synchronous channels. Valid values: [0 .. 6]. + * + * The values 0, 1, 2, 3, 4, 5, 6 represent corresponding number of frames per + * sub-buffer 1, 2, 4, 8, 16, 32, 64. + */ +static u8 fcnt = 4; /* (1 << fcnt) frames per subbuffer */ +module_param(fcnt, byte, 0); +MODULE_PARM_DESC(fcnt, "Num of frames per sub-buffer for sync channels as a power of 2"); + +/* * ############################################################################# * * The define below activates an utility function used by HAL-simu @@ -212,7 +223,8 @@ static int startup_dim(struct platform_device *pdev) return ret; } - hal_ret = dim_startup(dev->io_base, dev->clk_speed); + pr_info("sync: num of frames per sub-buffer: %u\n", fcnt); + hal_ret = dim_startup(dev->io_base, dev->clk_speed, fcnt); if (hal_ret != DIM_NO_ERROR) { pr_err("dim_startup failed: %d\n", hal_ret); if (pdata && pdata->destroy) @@ -705,12 +717,14 @@ static int poison_channel(struct most_interface *most_iface, int ch_idx) if (!hdm_ch->is_initialized) return -EPERM; + tasklet_disable(&dim2_tasklet); spin_lock_irqsave(&dim_lock, flags); hal_ret = dim_destroy_channel(&hdm_ch->ch); hdm_ch->is_initialized = false; if (ch_idx == dev->atx_idx) dev->atx_idx = -1; spin_unlock_irqrestore(&dim_lock, flags); + tasklet_enable(&dim2_tasklet); if (hal_ret != DIM_NO_ERROR) { pr_err("HAL Failed to close channel %s\n", hdm_ch->name); ret = -EFAULT; diff --git a/drivers/staging/most/hdm-dim2/dim2_reg.h b/drivers/staging/most/hdm-dim2/dim2_reg.h index e0837b6b9ae1..3b1c2004e520 100644 --- a/drivers/staging/most/hdm-dim2/dim2_reg.h +++ b/drivers/staging/most/hdm-dim2/dim2_reg.h @@ -77,13 +77,7 @@ enum { MLBC0_FCNT_SHIFT = 15, MLBC0_FCNT_MASK = 7, - MLBC0_FCNT_VAL_1FPSB = 0, - MLBC0_FCNT_VAL_2FPSB = 1, - MLBC0_FCNT_VAL_4FPSB = 2, - MLBC0_FCNT_VAL_8FPSB = 3, - MLBC0_FCNT_VAL_16FPSB = 4, - MLBC0_FCNT_VAL_32FPSB = 5, - MLBC0_FCNT_VAL_64FPSB = 6, + MLBC0_FCNT_MAX_VAL = 6, MLBC0_MLBEN_BIT = 0, diff --git a/drivers/staging/most/hdm-usb/hdm_usb.c b/drivers/staging/most/hdm-usb/hdm_usb.c index aeae071f2823..08c4a3b55b81 100644 --- a/drivers/staging/most/hdm-usb/hdm_usb.c +++ b/drivers/staging/most/hdm-usb/hdm_usb.c @@ -43,8 +43,9 @@ #define USB_VENDOR_ID_SMSC 0x0424 /* VID: SMSC */ #define USB_DEV_ID_BRDG 0xC001 /* PID: USB Bridge */ -#define USB_DEV_ID_INIC 0xCF18 /* PID: USB INIC */ -#define HW_RESYNC 0x0000 +#define USB_DEV_ID_OS81118 0xCF18 /* PID: USB OS81118 */ +#define USB_DEV_ID_OS81119 0xCF19 /* PID: USB OS81119 */ +#define USB_DEV_ID_OS81210 0xCF30 /* PID: USB OS81210 */ /* DRCI Addresses */ #define DRCI_REG_NI_STATE 0x0100 #define DRCI_REG_PACKET_BW 0x0101 @@ -66,19 +67,14 @@ /** * struct buf_anchor - used to create a list of pending URBs * @urb: pointer to USB request block - * @clear_work_obj: * @list: linked list * @urb_completion: */ struct buf_anchor { struct urb *urb; - struct work_struct clear_work_obj; struct list_head list; - struct completion urb_compl; }; -#define to_buf_anchor(w) container_of(w, struct buf_anchor, clear_work_obj) - /** * struct most_dci_obj - Direct Communication Interface * @kobj:position in sysfs @@ -91,6 +87,17 @@ struct most_dci_obj { #define to_dci_obj(p) container_of(p, struct most_dci_obj, kobj) +struct most_dev; + +struct clear_hold_work { + struct work_struct ws; + struct most_dev *mdev; + unsigned int channel; + int pipe; +}; + +#define to_clear_hold_work(w) container_of(w, struct clear_hold_work, ws) + /** * struct most_dev - holds all usb interface specific stuff * @parent: parent object in sysfs @@ -127,6 +134,7 @@ struct most_dev { spinlock_t anchor_list_lock[MAX_NUM_ENDPOINTS]; bool padding_active[MAX_NUM_ENDPOINTS]; bool is_channel_healthy[MAX_NUM_ENDPOINTS]; + struct clear_hold_work clear_work[MAX_NUM_ENDPOINTS]; struct list_head *anchor_list; struct mutex io_mutex; struct timer_list link_stat_timer; @@ -191,40 +199,37 @@ static inline int drci_wr_reg(struct usb_device *dev, u16 reg, u16 data) * free_anchored_buffers - free device's anchored items * @mdev: the device * @channel: channel ID + * @status: status of MBO termination */ -static void free_anchored_buffers(struct most_dev *mdev, unsigned int channel) +static void free_anchored_buffers(struct most_dev *mdev, unsigned int channel, + enum mbo_status_flags status) { struct mbo *mbo; struct buf_anchor *anchor, *tmp; + spinlock_t *lock = mdev->anchor_list_lock + channel; /* temp. lock */ unsigned long flags; - spin_lock_irqsave(&mdev->anchor_list_lock[channel], flags); + spin_lock_irqsave(lock, flags); list_for_each_entry_safe(anchor, tmp, &mdev->anchor_list[channel], list) { struct urb *urb = anchor->urb; - spin_unlock_irqrestore(&mdev->anchor_list_lock[channel], flags); + spin_unlock_irqrestore(lock, flags); if (likely(urb)) { mbo = urb->context; - if (!irqs_disabled()) { - usb_kill_urb(urb); - } else { - usb_unlink_urb(urb); - wait_for_completion(&anchor->urb_compl); - } - if ((mbo) && (mbo->complete)) { - mbo->status = MBO_E_CLOSE; + usb_kill_urb(urb); + if (mbo && mbo->complete) { + mbo->status = status; mbo->processed_length = 0; mbo->complete(mbo); } usb_free_urb(urb); } - spin_lock_irqsave(&mdev->anchor_list_lock[channel], flags); + spin_lock_irqsave(lock, flags); list_del(&anchor->list); - cancel_work_sync(&anchor->clear_work_obj); kfree(anchor); } - spin_unlock_irqrestore(&mdev->anchor_list_lock[channel], flags); + spin_unlock_irqrestore(lock, flags); } /** @@ -274,22 +279,28 @@ static unsigned int get_stream_frame_size(struct most_channel_config *cfg) */ static int hdm_poison_channel(struct most_interface *iface, int channel) { - struct most_dev *mdev; + struct most_dev *mdev = to_mdev(iface); + unsigned long flags; + spinlock_t *lock; /* temp. lock */ - mdev = to_mdev(iface); if (unlikely(!iface)) { dev_warn(&mdev->usb_device->dev, "Poison: Bad interface.\n"); return -EIO; } - if (unlikely((channel < 0) || (channel >= iface->num_channels))) { + if (unlikely(channel < 0 || channel >= iface->num_channels)) { dev_warn(&mdev->usb_device->dev, "Channel ID out of range.\n"); return -ECHRNG; } + lock = mdev->anchor_list_lock + channel; + spin_lock_irqsave(lock, flags); mdev->is_channel_healthy[channel] = false; + spin_unlock_irqrestore(lock, flags); + + cancel_work_sync(&mdev->clear_work[channel].ws); mutex_lock(&mdev->io_mutex); - free_anchored_buffers(mdev, channel); + free_anchored_buffers(mdev, channel, MBO_E_CLOSE); if (mdev->padding_active[channel]) mdev->padding_active[channel] = false; @@ -380,37 +391,30 @@ static int hdm_remove_padding(struct most_dev *mdev, int channel, */ static void hdm_write_completion(struct urb *urb) { - struct mbo *mbo; - struct buf_anchor *anchor; - struct most_dev *mdev; - struct device *dev; - unsigned int channel; + struct mbo *mbo = urb->context; + struct buf_anchor *anchor = mbo->priv; + struct most_dev *mdev = to_mdev(mbo->ifp); + unsigned int channel = mbo->hdm_channel_id; + struct device *dev = &mdev->usb_device->dev; + spinlock_t *lock = mdev->anchor_list_lock + channel; /* temp. lock */ unsigned long flags; - mbo = urb->context; - anchor = mbo->priv; - mdev = to_mdev(mbo->ifp); - channel = mbo->hdm_channel_id; - dev = &mdev->usb_device->dev; - - if ((urb->status == -ENOENT) || (urb->status == -ECONNRESET) || - (!mdev->is_channel_healthy[channel])) { - complete(&anchor->urb_compl); + spin_lock_irqsave(lock, flags); + if (urb->status == -ENOENT || urb->status == -ECONNRESET || + !mdev->is_channel_healthy[channel]) { + spin_unlock_irqrestore(lock, flags); return; } - if (unlikely(urb->status && !(urb->status == -ENOENT || - urb->status == -ECONNRESET || - urb->status == -ESHUTDOWN))) { + if (unlikely(urb->status && urb->status != -ESHUTDOWN)) { mbo->processed_length = 0; switch (urb->status) { case -EPIPE: dev_warn(dev, "Broken OUT pipe detected\n"); - most_stop_enqueue(&mdev->iface, channel); - mbo->status = MBO_E_INVAL; - usb_unlink_urb(urb); - INIT_WORK(&anchor->clear_work_obj, wq_clear_halt); - schedule_work(&anchor->clear_work_obj); + mdev->is_channel_healthy[channel] = false; + spin_unlock_irqrestore(lock, flags); + mdev->clear_work[channel].pipe = urb->pipe; + schedule_work(&mdev->clear_work[channel].ws); return; case -ENODEV: case -EPROTO: @@ -425,9 +429,8 @@ static void hdm_write_completion(struct urb *urb) mbo->processed_length = urb->actual_length; } - spin_lock_irqsave(&mdev->anchor_list_lock[channel], flags); list_del(&anchor->list); - spin_unlock_irqrestore(&mdev->anchor_list_lock[channel], flags); + spin_unlock_irqrestore(lock, flags); kfree(anchor); if (likely(mbo->complete)) @@ -545,36 +548,30 @@ static void hdm_write_completion(struct urb *urb) */ static void hdm_read_completion(struct urb *urb) { - struct mbo *mbo; - struct buf_anchor *anchor; - struct most_dev *mdev; - struct device *dev; + struct mbo *mbo = urb->context; + struct buf_anchor *anchor = mbo->priv; + struct most_dev *mdev = to_mdev(mbo->ifp); + unsigned int channel = mbo->hdm_channel_id; + struct device *dev = &mdev->usb_device->dev; + spinlock_t *lock = mdev->anchor_list_lock + channel; /* temp. lock */ unsigned long flags; - unsigned int channel; - mbo = urb->context; - anchor = mbo->priv; - mdev = to_mdev(mbo->ifp); - channel = mbo->hdm_channel_id; - dev = &mdev->usb_device->dev; - - if ((urb->status == -ENOENT) || (urb->status == -ECONNRESET) || - (!mdev->is_channel_healthy[channel])) { - complete(&anchor->urb_compl); + spin_lock_irqsave(lock, flags); + if (urb->status == -ENOENT || urb->status == -ECONNRESET || + !mdev->is_channel_healthy[channel]) { + spin_unlock_irqrestore(lock, flags); return; } - if (unlikely(urb->status && !(urb->status == -ENOENT || - urb->status == -ECONNRESET || - urb->status == -ESHUTDOWN))) { + if (unlikely(urb->status && urb->status != -ESHUTDOWN)) { mbo->processed_length = 0; switch (urb->status) { case -EPIPE: dev_warn(dev, "Broken IN pipe detected\n"); - mbo->status = MBO_E_INVAL; - usb_unlink_urb(urb); - INIT_WORK(&anchor->clear_work_obj, wq_clear_halt); - schedule_work(&anchor->clear_work_obj); + mdev->is_channel_healthy[channel] = false; + spin_unlock_irqrestore(lock, flags); + mdev->clear_work[channel].pipe = urb->pipe; + schedule_work(&mdev->clear_work[channel].ws); return; case -ENODEV: case -EPROTO: @@ -588,20 +585,16 @@ static void hdm_read_completion(struct urb *urb) } } else { mbo->processed_length = urb->actual_length; - if (!mdev->padding_active[channel]) { - mbo->status = MBO_SUCCESS; - } else { - if (hdm_remove_padding(mdev, channel, mbo)) { - mbo->processed_length = 0; - mbo->status = MBO_E_INVAL; - } else { - mbo->status = MBO_SUCCESS; - } + mbo->status = MBO_SUCCESS; + if (mdev->padding_active[channel] && + hdm_remove_padding(mdev, channel, mbo)) { + mbo->processed_length = 0; + mbo->status = MBO_E_INVAL; } } - spin_lock_irqsave(&mdev->anchor_list_lock[channel], flags); + list_del(&anchor->list); - spin_unlock_irqrestore(&mdev->anchor_list_lock[channel], flags); + spin_unlock_irqrestore(lock, flags); kfree(anchor); if (likely(mbo->complete)) @@ -636,10 +629,11 @@ static int hdm_enqueue(struct most_interface *iface, int channel, unsigned long flags; unsigned long length; void *virt_address; + spinlock_t *lock; /* temp. lock */ if (unlikely(!iface || !mbo)) return -EIO; - if (unlikely(iface->num_channels <= channel) || (channel < 0)) + if (unlikely(iface->num_channels <= channel || channel < 0)) return -ECHRNG; mdev = to_mdev(iface); @@ -650,10 +644,8 @@ static int hdm_enqueue(struct most_interface *iface, int channel, return -ENODEV; urb = usb_alloc_urb(NO_ISOCHRONOUS_URB, GFP_ATOMIC); - if (!urb) { - dev_err(dev, "Failed to allocate URB\n"); + if (!urb) return -ENOMEM; - } anchor = kzalloc(sizeof(*anchor), GFP_ATOMIC); if (!anchor) { @@ -662,19 +654,13 @@ static int hdm_enqueue(struct most_interface *iface, int channel, } anchor->urb = urb; - init_completion(&anchor->urb_compl); mbo->priv = anchor; - spin_lock_irqsave(&mdev->anchor_list_lock[channel], flags); - list_add_tail(&anchor->list, &mdev->anchor_list[channel]); - spin_unlock_irqrestore(&mdev->anchor_list_lock[channel], flags); - - if ((mdev->padding_active[channel]) && - (conf->direction & MOST_CH_TX)) - if (hdm_add_padding(mdev, channel, mbo)) { - retval = -EIO; - goto _error_1; - } + if ((conf->direction & MOST_CH_TX) && mdev->padding_active[channel] && + hdm_add_padding(mdev, channel, mbo)) { + retval = -EIO; + goto _error; + } urb->transfer_dma = mbo->bus_address; virt_address = mbo->virt_address; @@ -701,6 +687,11 @@ static int hdm_enqueue(struct most_interface *iface, int channel, } urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + lock = mdev->anchor_list_lock + channel; + spin_lock_irqsave(lock, flags); + list_add_tail(&anchor->list, &mdev->anchor_list[channel]); + spin_unlock_irqrestore(lock, flags); + retval = usb_submit_urb(urb, GFP_KERNEL); if (retval) { dev_err(dev, "URB submit failed with error %d.\n", retval); @@ -709,9 +700,9 @@ static int hdm_enqueue(struct most_interface *iface, int channel, return 0; _error_1: - spin_lock_irqsave(&mdev->anchor_list_lock[channel], flags); + spin_lock_irqsave(lock, flags); list_del(&anchor->list); - spin_unlock_irqrestore(&mdev->anchor_list_lock[channel], flags); + spin_unlock_irqrestore(lock, flags); kfree(anchor); _error: usb_free_urb(urb); @@ -731,29 +722,30 @@ static int hdm_configure_channel(struct most_interface *iface, int channel, unsigned int frame_size; unsigned int temp_size; unsigned int tail_space; - struct most_dev *mdev; - struct device *dev; + struct most_dev *mdev = to_mdev(iface); + struct device *dev = &mdev->usb_device->dev; - mdev = to_mdev(iface); mdev->is_channel_healthy[channel] = true; - dev = &mdev->usb_device->dev; + mdev->clear_work[channel].channel = channel; + mdev->clear_work[channel].mdev = mdev; + INIT_WORK(&mdev->clear_work[channel].ws, wq_clear_halt); if (unlikely(!iface || !conf)) { dev_err(dev, "Bad interface or config pointer.\n"); return -EINVAL; } - if (unlikely((channel < 0) || (channel >= iface->num_channels))) { + if (unlikely(channel < 0 || channel >= iface->num_channels)) { dev_err(dev, "Channel ID out of range.\n"); return -EINVAL; } - if ((!conf->num_buffers) || (!conf->buffer_size)) { + if (!conf->num_buffers || !conf->buffer_size) { dev_err(dev, "Misconfig: buffer size or #buffers zero.\n"); return -EINVAL; } - if (!(conf->data_type == MOST_CH_SYNC) && - !((conf->data_type == MOST_CH_ISOC_AVP) && - (conf->packets_per_xact != 0xFF))) { + if (conf->data_type != MOST_CH_SYNC && + !(conf->data_type == MOST_CH_ISOC_AVP && + conf->packets_per_xact != 0xFF)) { mdev->padding_active[channel] = false; goto exit; } @@ -762,7 +754,7 @@ static int hdm_configure_channel(struct most_interface *iface, int channel, temp_size = conf->buffer_size; frame_size = get_stream_frame_size(conf); - if ((frame_size == 0) || (frame_size > USB_MTU)) { + if (frame_size == 0 || frame_size > USB_MTU) { dev_warn(dev, "Misconfig: frame size wrong\n"); return -EINVAL; } @@ -886,25 +878,22 @@ static void link_stat_timer_handler(unsigned long data) */ static void wq_netinfo(struct work_struct *wq_obj) { - struct most_dev *mdev; - int i, prev_link_stat; + struct most_dev *mdev = to_mdev_from_work(wq_obj); + int i, prev_link_stat = mdev->link_stat; u8 prev_hw_addr[6]; - mdev = to_mdev_from_work(wq_obj); - prev_link_stat = mdev->link_stat; - for (i = 0; i < 6; i++) prev_hw_addr[i] = mdev->hw_addr[i]; if (hdm_update_netinfo(mdev) < 0) return; - if ((prev_link_stat != mdev->link_stat) || - (prev_hw_addr[0] != mdev->hw_addr[0]) || - (prev_hw_addr[1] != mdev->hw_addr[1]) || - (prev_hw_addr[2] != mdev->hw_addr[2]) || - (prev_hw_addr[3] != mdev->hw_addr[3]) || - (prev_hw_addr[4] != mdev->hw_addr[4]) || - (prev_hw_addr[5] != mdev->hw_addr[5])) + if (prev_link_stat != mdev->link_stat || + prev_hw_addr[0] != mdev->hw_addr[0] || + prev_hw_addr[1] != mdev->hw_addr[1] || + prev_hw_addr[2] != mdev->hw_addr[2] || + prev_hw_addr[3] != mdev->hw_addr[3] || + prev_hw_addr[4] != mdev->hw_addr[4] || + prev_hw_addr[5] != mdev->hw_addr[5]) most_deliver_netinfo(&mdev->iface, mdev->link_stat, &mdev->hw_addr[0]); } @@ -917,33 +906,20 @@ static void wq_netinfo(struct work_struct *wq_obj) */ static void wq_clear_halt(struct work_struct *wq_obj) { - struct buf_anchor *anchor; - struct most_dev *mdev; - struct mbo *mbo; - struct urb *urb; - unsigned int channel; - unsigned long flags; + struct clear_hold_work *clear_work = to_clear_hold_work(wq_obj); + struct most_dev *mdev = clear_work->mdev; + unsigned int channel = clear_work->channel; + int pipe = clear_work->pipe; - anchor = to_buf_anchor(wq_obj); - urb = anchor->urb; - mbo = urb->context; - mdev = to_mdev(mbo->ifp); - channel = mbo->hdm_channel_id; - - if (usb_clear_halt(urb->dev, urb->pipe)) + mutex_lock(&mdev->io_mutex); + most_stop_enqueue(&mdev->iface, channel); + free_anchored_buffers(mdev, channel, MBO_E_INVAL); + if (usb_clear_halt(mdev->usb_device, pipe)) dev_warn(&mdev->usb_device->dev, "Failed to reset endpoint.\n"); - usb_free_urb(urb); - spin_lock_irqsave(&mdev->anchor_list_lock[channel], flags); - list_del(&anchor->list); - spin_unlock_irqrestore(&mdev->anchor_list_lock[channel], flags); - - if (likely(mbo->complete)) - mbo->complete(mbo); - if (mdev->conf[channel].direction & MOST_CH_TX) - most_resume_enqueue(&mdev->iface, channel); - - kfree(anchor); + mdev->is_channel_healthy[channel] = true; + most_resume_enqueue(&mdev->iface, channel); + mutex_unlock(&mdev->io_mutex); } /** @@ -958,7 +934,9 @@ static const struct file_operations hdm_usb_fops = { */ static struct usb_device_id usbid[] = { { USB_DEVICE(USB_VENDOR_ID_SMSC, USB_DEV_ID_BRDG), }, - { USB_DEVICE(USB_VENDOR_ID_SMSC, USB_DEV_ID_INIC), }, + { USB_DEVICE(USB_VENDOR_ID_SMSC, USB_DEV_ID_OS81118), }, + { USB_DEVICE(USB_VENDOR_ID_SMSC, USB_DEV_ID_OS81119), }, + { USB_DEVICE(USB_VENDOR_ID_SMSC, USB_DEV_ID_OS81210), }, { } /* Terminating entry */ }; @@ -1176,10 +1154,9 @@ static struct kobj_type most_dci_ktype = { static struct most_dci_obj *create_most_dci_obj(struct kobject *parent) { - struct most_dci_obj *most_dci; + struct most_dci_obj *most_dci = kzalloc(sizeof(*most_dci), GFP_KERNEL); int retval; - most_dci = kzalloc(sizeof(*most_dci), GFP_KERNEL); if (!most_dci) return NULL; @@ -1216,21 +1193,17 @@ static void destroy_most_dci_obj(struct most_dci_obj *p) static int hdm_probe(struct usb_interface *interface, const struct usb_device_id *id) { + struct usb_host_interface *usb_iface_desc = interface->cur_altsetting; + struct usb_device *usb_dev = interface_to_usbdev(interface); + struct device *dev = &usb_dev->dev; + struct most_dev *mdev = kzalloc(sizeof(*mdev), GFP_KERNEL); unsigned int i; unsigned int num_endpoints; struct most_channel_capability *tmp_cap; - struct most_dev *mdev; - struct usb_device *usb_dev; - struct device *dev; - struct usb_host_interface *usb_iface_desc; struct usb_endpoint_descriptor *ep_desc; int ret = 0; int err; - usb_iface_desc = interface->cur_altsetting; - usb_dev = interface_to_usbdev(interface); - dev = &usb_dev->dev; - mdev = kzalloc(sizeof(*mdev), GFP_KERNEL); if (!mdev) goto exit_ENOMEM; @@ -1332,7 +1305,9 @@ hdm_probe(struct usb_interface *interface, const struct usb_device_id *id) } mutex_lock(&mdev->io_mutex); - if (le16_to_cpu(usb_dev->descriptor.idProduct) == USB_DEV_ID_INIC) { + if (le16_to_cpu(usb_dev->descriptor.idProduct) == USB_DEV_ID_OS81118 || + le16_to_cpu(usb_dev->descriptor.idProduct) == USB_DEV_ID_OS81119 || + le16_to_cpu(usb_dev->descriptor.idProduct) == USB_DEV_ID_OS81210) { /* this increments the reference count of the instance * object of the core */ @@ -1379,9 +1354,8 @@ exit_ENOMEM: */ static void hdm_disconnect(struct usb_interface *interface) { - struct most_dev *mdev; + struct most_dev *mdev = usb_get_intfdata(interface); - mdev = usb_get_intfdata(interface); mutex_lock(&mdev->io_mutex); usb_set_intfdata(interface, NULL); mdev->usb_device = NULL; diff --git a/drivers/staging/most/mostcore/core.c b/drivers/staging/most/mostcore/core.c index 7c619feb12d3..db0606ca9f79 100644 --- a/drivers/staging/most/mostcore/core.c +++ b/drivers/staging/most/mostcore/core.c @@ -33,7 +33,7 @@ #define STRING_SIZE 80 static struct class *most_class; -static struct device *class_glue_dir; +static struct device *core_dev; static struct ida mdev_id; static int dummy_num_buffers; @@ -51,6 +51,7 @@ struct most_c_obj { u16 channel_id; bool is_poisoned; struct mutex start_mutex; + struct mutex nq_mutex; /* nq thread synchronization */ int is_starving; struct most_interface *iface; struct most_inst_obj *inst; @@ -1131,18 +1132,18 @@ static inline void trash_mbo(struct mbo *mbo) spin_unlock_irqrestore(&c->fifo_lock, flags); } -static struct mbo *get_hdm_mbo(struct most_c_obj *c) +static bool hdm_mbo_ready(struct most_c_obj *c) { - unsigned long flags; - struct mbo *mbo; + bool empty; - spin_lock_irqsave(&c->fifo_lock, flags); - if (c->enqueue_halt || list_empty(&c->halt_fifo)) - mbo = NULL; - else - mbo = list_pop_mbo(&c->halt_fifo); - spin_unlock_irqrestore(&c->fifo_lock, flags); - return mbo; + if (c->enqueue_halt) + return false; + + spin_lock_irq(&c->fifo_lock); + empty = list_empty(&c->halt_fifo); + spin_unlock_irq(&c->fifo_lock); + + return !empty; } static void nq_hdm_mbo(struct mbo *mbo) @@ -1160,20 +1161,32 @@ static int hdm_enqueue_thread(void *data) { struct most_c_obj *c = data; struct mbo *mbo; + int ret; typeof(c->iface->enqueue) enqueue = c->iface->enqueue; while (likely(!kthread_should_stop())) { wait_event_interruptible(c->hdm_fifo_wq, - (mbo = get_hdm_mbo(c)) || + hdm_mbo_ready(c) || kthread_should_stop()); - if (unlikely(!mbo)) + mutex_lock(&c->nq_mutex); + spin_lock_irq(&c->fifo_lock); + if (unlikely(c->enqueue_halt || list_empty(&c->halt_fifo))) { + spin_unlock_irq(&c->fifo_lock); + mutex_unlock(&c->nq_mutex); continue; + } + + mbo = list_pop_mbo(&c->halt_fifo); + spin_unlock_irq(&c->fifo_lock); if (c->cfg.direction == MOST_CH_RX) mbo->buffer_length = c->cfg.buffer_size; - if (unlikely(enqueue(mbo->ifp, mbo->hdm_channel_id, mbo))) { + ret = enqueue(mbo->ifp, mbo->hdm_channel_id, mbo); + mutex_unlock(&c->nq_mutex); + + if (unlikely(ret)) { pr_err("hdm enqueue failed\n"); nq_hdm_mbo(mbo); c->hdm_enqueue_task = NULL; @@ -1468,10 +1481,8 @@ static void most_read_completion(struct mbo *mbo) return; } - if (atomic_sub_and_test(1, &c->mbo_nq_level)) { - pr_info("WARN: rx device out of buffers\n"); + if (atomic_sub_and_test(1, &c->mbo_nq_level)) c->is_starving = 1; - } if (c->aim0.refs && c->aim0.ptr->rx_completion && c->aim0.ptr->rx_completion(mbo) == 0) @@ -1761,6 +1772,7 @@ struct kobject *most_register_interface(struct most_interface *iface) init_completion(&c->cleanup); atomic_set(&c->mbo_ref, 0); mutex_init(&c->start_mutex); + mutex_init(&c->nq_mutex); list_add_tail(&c->list, &inst->channel_list); } pr_info("registered new MOST device mdev%d (%s)\n", @@ -1826,8 +1838,12 @@ void most_stop_enqueue(struct most_interface *iface, int id) { struct most_c_obj *c = get_channel_by_iface(iface, id); - if (likely(c)) - c->enqueue_halt = true; + if (!c) + return; + + mutex_lock(&c->nq_mutex); + c->enqueue_halt = true; + mutex_unlock(&c->nq_mutex); } EXPORT_SYMBOL_GPL(most_stop_enqueue); @@ -1843,9 +1859,12 @@ void most_resume_enqueue(struct most_interface *iface, int id) { struct most_c_obj *c = get_channel_by_iface(iface, id); - if (unlikely(!c)) + if (!c) return; + + mutex_lock(&c->nq_mutex); c->enqueue_halt = false; + mutex_unlock(&c->nq_mutex); wake_up_interruptible(&c->hdm_fifo_wq); } @@ -1879,22 +1898,19 @@ static int __init most_init(void) goto exit_class; } - class_glue_dir = - device_create(most_class, NULL, 0, NULL, "mostcore"); - if (IS_ERR(class_glue_dir)) { - err = PTR_ERR(class_glue_dir); + core_dev = device_create(most_class, NULL, 0, NULL, "mostcore"); + if (IS_ERR(core_dev)) { + err = PTR_ERR(core_dev); goto exit_driver; } - most_aim_kset = - kset_create_and_add("aims", NULL, &class_glue_dir->kobj); + most_aim_kset = kset_create_and_add("aims", NULL, &core_dev->kobj); if (!most_aim_kset) { err = -ENOMEM; goto exit_class_container; } - most_inst_kset = - kset_create_and_add("devices", NULL, &class_glue_dir->kobj); + most_inst_kset = kset_create_and_add("devices", NULL, &core_dev->kobj); if (!most_inst_kset) { err = -ENOMEM; goto exit_driver_kset; diff --git a/drivers/staging/netlogic/xlr_net.c b/drivers/staging/netlogic/xlr_net.c index 99445d0fcf9c..595ac1b9be05 100644 --- a/drivers/staging/netlogic/xlr_net.c +++ b/drivers/staging/netlogic/xlr_net.c @@ -192,7 +192,7 @@ static int xlr_set_settings(struct net_device *ndev, struct ethtool_cmd *ecmd) return phy_ethtool_sset(phydev, ecmd); } -static struct ethtool_ops xlr_ethtool_ops = { +static const struct ethtool_ops xlr_ethtool_ops = { .get_settings = xlr_get_settings, .set_settings = xlr_set_settings, }; diff --git a/drivers/staging/octeon-usb/Kconfig b/drivers/staging/octeon-usb/Kconfig index 16ea17ff3fd2..0b8f1d9c7056 100644 --- a/drivers/staging/octeon-usb/Kconfig +++ b/drivers/staging/octeon-usb/Kconfig @@ -6,5 +6,5 @@ config OCTEON_USB Networks' products in the Octeon family. To compile this driver as a module, choose M here. The module - will be called octeon-usb. + will be called octeon-hcd. diff --git a/drivers/staging/octeon/ethernet-mdio.c b/drivers/staging/octeon/ethernet-mdio.c index e13a4ab46977..1fde9c824948 100644 --- a/drivers/staging/octeon/ethernet-mdio.c +++ b/drivers/staging/octeon/ethernet-mdio.c @@ -34,48 +34,23 @@ static void cvm_oct_get_drvinfo(struct net_device *dev, strlcpy(info->bus_info, "Builtin", sizeof(info->bus_info)); } -static int cvm_oct_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct octeon_ethernet *priv = netdev_priv(dev); - - if (priv->phydev) - return phy_ethtool_gset(priv->phydev, cmd); - - return -EINVAL; -} - -static int cvm_oct_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct octeon_ethernet *priv = netdev_priv(dev); - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - if (priv->phydev) - return phy_ethtool_sset(priv->phydev, cmd); - - return -EINVAL; -} - static int cvm_oct_nway_reset(struct net_device *dev) { - struct octeon_ethernet *priv = netdev_priv(dev); - if (!capable(CAP_NET_ADMIN)) return -EPERM; - if (priv->phydev) - return phy_start_aneg(priv->phydev); + if (dev->phydev) + return phy_start_aneg(dev->phydev); return -EINVAL; } const struct ethtool_ops cvm_oct_ethtool_ops = { .get_drvinfo = cvm_oct_get_drvinfo, - .get_settings = cvm_oct_get_settings, - .set_settings = cvm_oct_set_settings, .nway_reset = cvm_oct_nway_reset, .get_link = ethtool_op_get_link, + .get_link_ksettings = phy_ethtool_get_link_ksettings, + .set_link_ksettings = phy_ethtool_set_link_ksettings, }; /** @@ -88,15 +63,13 @@ const struct ethtool_ops cvm_oct_ethtool_ops = { */ int cvm_oct_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { - struct octeon_ethernet *priv = netdev_priv(dev); - if (!netif_running(dev)) return -EINVAL; - if (!priv->phydev) + if (!dev->phydev) return -EINVAL; - return phy_mii_ioctl(priv->phydev, rq, cmd); + return phy_mii_ioctl(dev->phydev, rq, cmd); } void cvm_oct_note_carrier(struct octeon_ethernet *priv, @@ -119,9 +92,9 @@ void cvm_oct_adjust_link(struct net_device *dev) cvmx_helper_link_info_t link_info; link_info.u64 = 0; - link_info.s.link_up = priv->phydev->link ? 1 : 0; - link_info.s.full_duplex = priv->phydev->duplex ? 1 : 0; - link_info.s.speed = priv->phydev->speed; + link_info.s.link_up = dev->phydev->link ? 1 : 0; + link_info.s.full_duplex = dev->phydev->duplex ? 1 : 0; + link_info.s.speed = dev->phydev->speed; priv->link_info = link_info.u64; /* @@ -130,8 +103,8 @@ void cvm_oct_adjust_link(struct net_device *dev) if (priv->poll) priv->poll(dev); - if (priv->last_link != priv->phydev->link) { - priv->last_link = priv->phydev->link; + if (priv->last_link != dev->phydev->link) { + priv->last_link = dev->phydev->link; cvmx_helper_link_set(priv->port, link_info); cvm_oct_note_carrier(priv, link_info); } @@ -151,9 +124,8 @@ int cvm_oct_common_stop(struct net_device *dev) priv->poll = NULL; - if (priv->phydev) - phy_disconnect(priv->phydev); - priv->phydev = NULL; + if (dev->phydev) + phy_disconnect(dev->phydev); if (priv->last_link) { link_info.u64 = 0; @@ -176,6 +148,7 @@ int cvm_oct_phy_setup_device(struct net_device *dev) { struct octeon_ethernet *priv = netdev_priv(dev); struct device_node *phy_node; + struct phy_device *phydev = NULL; if (!priv->of_node) goto no_phy; @@ -193,14 +166,14 @@ int cvm_oct_phy_setup_device(struct net_device *dev) if (!phy_node) goto no_phy; - priv->phydev = of_phy_connect(dev, phy_node, cvm_oct_adjust_link, 0, - PHY_INTERFACE_MODE_GMII); + phydev = of_phy_connect(dev, phy_node, cvm_oct_adjust_link, 0, + PHY_INTERFACE_MODE_GMII); - if (!priv->phydev) + if (!phydev) return -ENODEV; priv->last_link = 0; - phy_start_aneg(priv->phydev); + phy_start_aneg(phydev); return 0; no_phy: diff --git a/drivers/staging/octeon/ethernet-rgmii.c b/drivers/staging/octeon/ethernet-rgmii.c index 91b148cfcbdb..48846dffc8e1 100644 --- a/drivers/staging/octeon/ethernet-rgmii.c +++ b/drivers/staging/octeon/ethernet-rgmii.c @@ -145,7 +145,7 @@ int cvm_oct_rgmii_open(struct net_device *dev) if (ret) return ret; - if (priv->phydev) { + if (dev->phydev) { /* * In phydev mode, we need still periodic polling for the * preamble error checking, and we also need to call this diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c index a10fe3af9a9c..ce1e2a321abb 100644 --- a/drivers/staging/octeon/ethernet-rx.c +++ b/drivers/staging/octeon/ethernet-rx.c @@ -43,21 +43,27 @@ #include <asm/octeon/cvmx-gmxx-defs.h> -static struct napi_struct cvm_oct_napi; +static atomic_t oct_rx_ready = ATOMIC_INIT(0); + +static struct oct_rx_group { + int irq; + int group; + struct napi_struct napi; +} oct_rx_group[16]; /** * cvm_oct_do_interrupt - interrupt handler. - * @cpl: Interrupt number. Unused - * @dev_id: Cookie to identify the device. Unused + * @irq: Interrupt number. + * @napi_id: Cookie to identify the NAPI instance. * * The interrupt occurs whenever the POW has packets in our group. * */ -static irqreturn_t cvm_oct_do_interrupt(int cpl, void *dev_id) +static irqreturn_t cvm_oct_do_interrupt(int irq, void *napi_id) { /* Disable the IRQ and start napi_poll. */ - disable_irq_nosync(OCTEON_IRQ_WORKQ0 + pow_receive_group); - napi_schedule(&cvm_oct_napi); + disable_irq_nosync(irq); + napi_schedule(napi_id); return IRQ_HANDLED; } @@ -143,14 +149,7 @@ static inline int cvm_oct_check_rcv_error(cvmx_wqe_t *work) return 0; } -/** - * cvm_oct_napi_poll - the NAPI poll function. - * @napi: The NAPI instance, or null if called from cvm_oct_poll_controller - * @budget: Maximum number of packets to receive. - * - * Returns the number of packets processed. - */ -static int cvm_oct_napi_poll(struct napi_struct *napi, int budget) +static int cvm_oct_poll(struct oct_rx_group *rx_group, int budget) { const int coreid = cvmx_get_core_num(); u64 old_group_mask; @@ -172,13 +171,13 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget) if (OCTEON_IS_MODEL(OCTEON_CN68XX)) { old_group_mask = cvmx_read_csr(CVMX_SSO_PPX_GRP_MSK(coreid)); cvmx_write_csr(CVMX_SSO_PPX_GRP_MSK(coreid), - 1ull << pow_receive_group); + BIT(rx_group->group)); cvmx_read_csr(CVMX_SSO_PPX_GRP_MSK(coreid)); /* Flush */ } else { old_group_mask = cvmx_read_csr(CVMX_POW_PP_GRP_MSKX(coreid)); cvmx_write_csr(CVMX_POW_PP_GRP_MSKX(coreid), (old_group_mask & ~0xFFFFull) | - 1 << pow_receive_group); + BIT(rx_group->group)); } if (USE_ASYNC_IOBDMA) { @@ -203,15 +202,15 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget) if (!work) { if (OCTEON_IS_MODEL(OCTEON_CN68XX)) { cvmx_write_csr(CVMX_SSO_WQ_IQ_DIS, - 1ull << pow_receive_group); + BIT(rx_group->group)); cvmx_write_csr(CVMX_SSO_WQ_INT, - 1ull << pow_receive_group); + BIT(rx_group->group)); } else { union cvmx_pow_wq_int wq_int; wq_int.u64 = 0; - wq_int.s.iq_dis = 1 << pow_receive_group; - wq_int.s.wq_int = 1 << pow_receive_group; + wq_int.s.iq_dis = BIT(rx_group->group); + wq_int.s.wq_int = BIT(rx_group->group); cvmx_write_csr(CVMX_POW_WQ_INT, wq_int.u64); } break; @@ -410,10 +409,28 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget) } cvm_oct_rx_refill_pool(0); - if (rx_count < budget && napi) { + return rx_count; +} + +/** + * cvm_oct_napi_poll - the NAPI poll function. + * @napi: The NAPI instance. + * @budget: Maximum number of packets to receive. + * + * Returns the number of packets processed. + */ +static int cvm_oct_napi_poll(struct napi_struct *napi, int budget) +{ + struct oct_rx_group *rx_group = container_of(napi, struct oct_rx_group, + napi); + int rx_count; + + rx_count = cvm_oct_poll(rx_group, budget); + + if (rx_count < budget) { /* No more work */ napi_complete(napi); - enable_irq(OCTEON_IRQ_WORKQ0 + pow_receive_group); + enable_irq(rx_group->irq); } return rx_count; } @@ -427,7 +444,19 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget) */ void cvm_oct_poll_controller(struct net_device *dev) { - cvm_oct_napi_poll(NULL, 16); + int i; + + if (!atomic_read(&oct_rx_ready)) + return; + + for (i = 0; i < ARRAY_SIZE(oct_rx_group); i++) { + + if (!(pow_receive_groups & BIT(i))) + continue; + + cvm_oct_poll(&oct_rx_group[i], 16); + + } } #endif @@ -446,54 +475,81 @@ void cvm_oct_rx_initialize(void) if (!dev_for_napi) panic("No net_devices were allocated."); - netif_napi_add(dev_for_napi, &cvm_oct_napi, cvm_oct_napi_poll, - rx_napi_weight); - napi_enable(&cvm_oct_napi); + for (i = 0; i < ARRAY_SIZE(oct_rx_group); i++) { + int ret; - /* Register an IRQ handler to receive POW interrupts */ - i = request_irq(OCTEON_IRQ_WORKQ0 + pow_receive_group, - cvm_oct_do_interrupt, 0, "Ethernet", cvm_oct_device); + if (!(pow_receive_groups & BIT(i))) + continue; - if (i) - panic("Could not acquire Ethernet IRQ %d\n", - OCTEON_IRQ_WORKQ0 + pow_receive_group); + netif_napi_add(dev_for_napi, &oct_rx_group[i].napi, + cvm_oct_napi_poll, rx_napi_weight); + napi_enable(&oct_rx_group[i].napi); - disable_irq_nosync(OCTEON_IRQ_WORKQ0 + pow_receive_group); + oct_rx_group[i].irq = OCTEON_IRQ_WORKQ0 + i; + oct_rx_group[i].group = i; - /* Enable POW interrupt when our port has at least one packet */ - if (OCTEON_IS_MODEL(OCTEON_CN68XX)) { - union cvmx_sso_wq_int_thrx int_thr; - union cvmx_pow_wq_int_pc int_pc; - - int_thr.u64 = 0; - int_thr.s.tc_en = 1; - int_thr.s.tc_thr = 1; - cvmx_write_csr(CVMX_SSO_WQ_INT_THRX(pow_receive_group), - int_thr.u64); - - int_pc.u64 = 0; - int_pc.s.pc_thr = 5; - cvmx_write_csr(CVMX_SSO_WQ_INT_PC, int_pc.u64); - } else { - union cvmx_pow_wq_int_thrx int_thr; - union cvmx_pow_wq_int_pc int_pc; - - int_thr.u64 = 0; - int_thr.s.tc_en = 1; - int_thr.s.tc_thr = 1; - cvmx_write_csr(CVMX_POW_WQ_INT_THRX(pow_receive_group), - int_thr.u64); - - int_pc.u64 = 0; - int_pc.s.pc_thr = 5; - cvmx_write_csr(CVMX_POW_WQ_INT_PC, int_pc.u64); - } + /* Register an IRQ handler to receive POW interrupts */ + ret = request_irq(oct_rx_group[i].irq, cvm_oct_do_interrupt, 0, + "Ethernet", &oct_rx_group[i].napi); + if (ret) + panic("Could not acquire Ethernet IRQ %d\n", + oct_rx_group[i].irq); + + disable_irq_nosync(oct_rx_group[i].irq); + + /* Enable POW interrupt when our port has at least one packet */ + if (OCTEON_IS_MODEL(OCTEON_CN68XX)) { + union cvmx_sso_wq_int_thrx int_thr; + union cvmx_pow_wq_int_pc int_pc; + + int_thr.u64 = 0; + int_thr.s.tc_en = 1; + int_thr.s.tc_thr = 1; + cvmx_write_csr(CVMX_SSO_WQ_INT_THRX(i), int_thr.u64); + + int_pc.u64 = 0; + int_pc.s.pc_thr = 5; + cvmx_write_csr(CVMX_SSO_WQ_INT_PC, int_pc.u64); + } else { + union cvmx_pow_wq_int_thrx int_thr; + union cvmx_pow_wq_int_pc int_pc; + + int_thr.u64 = 0; + int_thr.s.tc_en = 1; + int_thr.s.tc_thr = 1; + cvmx_write_csr(CVMX_POW_WQ_INT_THRX(i), int_thr.u64); - /* Schedule NAPI now. This will indirectly enable the interrupt. */ - napi_schedule(&cvm_oct_napi); + int_pc.u64 = 0; + int_pc.s.pc_thr = 5; + cvmx_write_csr(CVMX_POW_WQ_INT_PC, int_pc.u64); + } + + /* Schedule NAPI now. This will indirectly enable the + * interrupt. + */ + napi_schedule(&oct_rx_group[i].napi); + } + atomic_inc(&oct_rx_ready); } void cvm_oct_rx_shutdown(void) { - netif_napi_del(&cvm_oct_napi); + int i; + + for (i = 0; i < ARRAY_SIZE(oct_rx_group); i++) { + + if (!(pow_receive_groups & BIT(i))) + continue; + + /* Disable POW interrupt */ + if (OCTEON_IS_MODEL(OCTEON_CN68XX)) + cvmx_write_csr(CVMX_SSO_WQ_INT_THRX(i), 0); + else + cvmx_write_csr(CVMX_POW_WQ_INT_THRX(i), 0); + + /* Free the interrupt handler */ + free_irq(oct_rx_group[i].irq, cvm_oct_device); + + netif_napi_del(&oct_rx_group[i].napi); + } } diff --git a/drivers/staging/octeon/ethernet-util.h b/drivers/staging/octeon/ethernet-util.h index 45f024bc5e33..617da8037a4d 100644 --- a/drivers/staging/octeon/ethernet-util.h +++ b/drivers/staging/octeon/ethernet-util.h @@ -32,12 +32,13 @@ static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr) */ static inline int INTERFACE(int ipd_port) { - int interface = cvmx_helper_get_interface_num(ipd_port); + int interface; + if (ipd_port == CVMX_PIP_NUM_INPUT_PORTS) + return 10; + interface = cvmx_helper_get_interface_num(ipd_port); if (interface >= 0) return interface; - else if (ipd_port == CVMX_PIP_NUM_INPUT_PORTS) - return 10; panic("Illegal ipd_port %d passed to INTERFACE\n", ipd_port); } diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c index e9cd5f242921..0bd5c1816e0f 100644 --- a/drivers/staging/octeon/ethernet.c +++ b/drivers/staging/octeon/ethernet.c @@ -35,7 +35,7 @@ #include <asm/octeon/cvmx-fau.h> #include <asm/octeon/cvmx-ipd.h> #include <asm/octeon/cvmx-helper.h> - +#include <asm/octeon/cvmx-asxx-defs.h> #include <asm/octeon/cvmx-gmxx-defs.h> #include <asm/octeon/cvmx-smix-defs.h> @@ -45,7 +45,7 @@ MODULE_PARM_DESC(num_packet_buffers, "\n" "\tNumber of packet buffers to allocate and store in the\n" "\tFPA. By default, 1024 packet buffers are used.\n"); -int pow_receive_group = 15; +static int pow_receive_group = 15; module_param(pow_receive_group, int, 0444); MODULE_PARM_DESC(pow_receive_group, "\n" "\tPOW group to receive packets from. All ethernet hardware\n" @@ -53,6 +53,15 @@ MODULE_PARM_DESC(pow_receive_group, "\n" "\tgroup. Also any other software can submit packets to this\n" "\tgroup for the kernel to process."); +static int receive_group_order; +module_param(receive_group_order, int, 0444); +MODULE_PARM_DESC(receive_group_order, "\n" + "\tOrder (0..4) of receive groups to take into use. Ethernet hardware\n" + "\twill be configured to send incoming packets to multiple POW\n" + "\tgroups. pow_receive_group parameter is ignored when multiple\n" + "\tgroups are taken into use and groups are allocated starting\n" + "\tfrom 0. By default, a single group is used.\n"); + int pow_send_group = -1; module_param(pow_send_group, int, 0644); MODULE_PARM_DESC(pow_send_group, "\n" @@ -86,6 +95,8 @@ int rx_napi_weight = 32; module_param(rx_napi_weight, int, 0444); MODULE_PARM_DESC(rx_napi_weight, "The NAPI WEIGHT parameter."); +/* Mask indicating which receive groups are in use. */ +int pow_receive_groups; /* * cvm_oct_poll_queue_stopping - flag to indicate polling should stop. @@ -237,8 +248,7 @@ static int cvm_oct_common_change_mtu(struct net_device *dev, int new_mtu) { struct octeon_ethernet *priv = netdev_priv(dev); int interface = INTERFACE(priv->port); - int index = INDEX(priv->port); -#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) +#if IS_ENABLED(CONFIG_VLAN_8021Q) int vlan_bytes = 4; #else int vlan_bytes = 0; @@ -259,6 +269,7 @@ static int cvm_oct_common_change_mtu(struct net_device *dev, int new_mtu) if ((interface < 2) && (cvmx_helper_interface_get_mode(interface) != CVMX_HELPER_INTERFACE_MODE_SPI)) { + int index = INDEX(priv->port); /* Add ethernet header and FCS, and VLAN if configured. */ int max_packet = new_mtu + 14 + 4 + vlan_bytes; @@ -300,12 +311,12 @@ static void cvm_oct_common_set_multicast_list(struct net_device *dev) union cvmx_gmxx_prtx_cfg gmx_cfg; struct octeon_ethernet *priv = netdev_priv(dev); int interface = INTERFACE(priv->port); - int index = INDEX(priv->port); if ((interface < 2) && (cvmx_helper_interface_get_mode(interface) != CVMX_HELPER_INTERFACE_MODE_SPI)) { union cvmx_gmxx_rxx_adr_ctl control; + int index = INDEX(priv->port); control.u64 = 0; control.s.bcst = 1; /* Allow broadcast MAC addresses */ @@ -352,7 +363,6 @@ static int cvm_oct_set_mac_filter(struct net_device *dev) struct octeon_ethernet *priv = netdev_priv(dev); union cvmx_gmxx_prtx_cfg gmx_cfg; int interface = INTERFACE(priv->port); - int index = INDEX(priv->port); if ((interface < 2) && (cvmx_helper_interface_get_mode(interface) != @@ -360,6 +370,7 @@ static int cvm_oct_set_mac_filter(struct net_device *dev) int i; u8 *ptr = dev->dev_addr; u64 mac = 0; + int index = INDEX(priv->port); for (i = 0; i < 6; i++) mac = (mac << 8) | (u64)ptr[i]; @@ -457,10 +468,8 @@ int cvm_oct_common_init(struct net_device *dev) void cvm_oct_common_uninit(struct net_device *dev) { - struct octeon_ethernet *priv = netdev_priv(dev); - - if (priv->phydev) - phy_disconnect(priv->phydev); + if (dev->phydev) + phy_disconnect(dev->phydev); } int cvm_oct_common_open(struct net_device *dev, @@ -479,15 +488,17 @@ int cvm_oct_common_open(struct net_device *dev, gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface)); gmx_cfg.s.en = 1; + if (octeon_has_feature(OCTEON_FEATURE_PKND)) + gmx_cfg.s.pknd = priv->port; cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64); if (octeon_is_simulation()) return 0; - if (priv->phydev) { - int r = phy_read_status(priv->phydev); + if (dev->phydev) { + int r = phy_read_status(dev->phydev); - if (r == 0 && priv->phydev->link == 0) + if (r == 0 && dev->phydev->link == 0) netif_carrier_off(dev); cvm_oct_adjust_link(dev); } else { @@ -649,6 +660,16 @@ static struct device_node *cvm_oct_node_for_port(struct device_node *pip, return np; } +static void cvm_set_rgmii_delay(struct device_node *np, int iface, int port) +{ + u32 delay_value; + + if (!of_property_read_u32(np, "rx-delay", &delay_value)) + cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(port, iface), delay_value); + if (!of_property_read_u32(np, "tx-delay", &delay_value)) + cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(port, iface), delay_value); +} + static int cvm_oct_probe(struct platform_device *pdev) { int num_interfaces; @@ -670,6 +691,14 @@ static int cvm_oct_probe(struct platform_device *pdev) cvmx_helper_initialize_packet_io_global(); + if (receive_group_order) { + if (receive_group_order > 4) + receive_group_order = 4; + pow_receive_groups = (1 << (1 << receive_group_order)) - 1; + } else { + pow_receive_groups = BIT(pow_receive_group); + } + /* Change the input group for all ports before input is enabled */ num_interfaces = cvmx_helper_get_number_of_interfaces(); for (interface = 0; interface < num_interfaces; interface++) { @@ -683,7 +712,37 @@ static int cvm_oct_probe(struct platform_device *pdev) pip_prt_tagx.u64 = cvmx_read_csr(CVMX_PIP_PRT_TAGX(port)); - pip_prt_tagx.s.grp = pow_receive_group; + + if (receive_group_order) { + int tag_mask; + + /* We support only 16 groups at the moment, so + * always disable the two additional "hidden" + * tag_mask bits on CN68XX. + */ + if (OCTEON_IS_MODEL(OCTEON_CN68XX)) + pip_prt_tagx.u64 |= 0x3ull << 44; + + tag_mask = ~((1 << receive_group_order) - 1); + pip_prt_tagx.s.grptagbase = 0; + pip_prt_tagx.s.grptagmask = tag_mask; + pip_prt_tagx.s.grptag = 1; + pip_prt_tagx.s.tag_mode = 0; + pip_prt_tagx.s.inc_prt_flag = 1; + pip_prt_tagx.s.ip6_dprt_flag = 1; + pip_prt_tagx.s.ip4_dprt_flag = 1; + pip_prt_tagx.s.ip6_sprt_flag = 1; + pip_prt_tagx.s.ip4_sprt_flag = 1; + pip_prt_tagx.s.ip6_dst_flag = 1; + pip_prt_tagx.s.ip4_dst_flag = 1; + pip_prt_tagx.s.ip6_src_flag = 1; + pip_prt_tagx.s.ip4_src_flag = 1; + pip_prt_tagx.s.grp = 0; + } else { + pip_prt_tagx.s.grptag = 0; + pip_prt_tagx.s.grp = pow_receive_group; + } + cvmx_write_csr(CVMX_PIP_PRT_TAGX(port), pip_prt_tagx.u64); } @@ -705,7 +764,6 @@ static int cvm_oct_probe(struct platform_device *pdev) if ((pow_send_group != -1)) { struct net_device *dev; - pr_info("\tConfiguring device for POW only access\n"); dev = alloc_etherdev(sizeof(struct octeon_ethernet)); if (dev) { /* Initialize the device private structure. */ @@ -808,6 +866,8 @@ static int cvm_oct_probe(struct platform_device *pdev) case CVMX_HELPER_INTERFACE_MODE_GMII: dev->netdev_ops = &cvm_oct_rgmii_netdev_ops; strcpy(dev->name, "eth%d"); + cvm_set_rgmii_delay(priv->of_node, interface, + port_index); break; } @@ -844,17 +904,8 @@ static int cvm_oct_remove(struct platform_device *pdev) { int port; - /* Disable POW interrupt */ - if (OCTEON_IS_MODEL(OCTEON_CN68XX)) - cvmx_write_csr(CVMX_SSO_WQ_INT_THRX(pow_receive_group), 0); - else - cvmx_write_csr(CVMX_POW_WQ_INT_THRX(pow_receive_group), 0); - cvmx_ipd_disable(); - /* Free the interrupt handler */ - free_irq(OCTEON_IRQ_WORKQ0 + pow_receive_group, cvm_oct_device); - atomic_inc_return(&cvm_oct_poll_queue_stopping); cancel_delayed_work_sync(&cvm_oct_rx_refill_work); diff --git a/drivers/staging/octeon/octeon-ethernet.h b/drivers/staging/octeon/octeon-ethernet.h index 6275c15e0035..9c6852d61c0d 100644 --- a/drivers/staging/octeon/octeon-ethernet.h +++ b/drivers/staging/octeon/octeon-ethernet.h @@ -40,7 +40,6 @@ struct octeon_ethernet { struct sk_buff_head tx_free_list[16]; /* Device statistics */ struct net_device_stats stats; - struct phy_device *phydev; unsigned int last_speed; unsigned int last_link; /* Last negotiated link state */ @@ -73,7 +72,7 @@ void cvm_oct_link_poll(struct net_device *dev); extern int always_use_pow; extern int pow_send_group; -extern int pow_receive_group; +extern int pow_receive_groups; extern char pow_send_list[]; extern struct net_device *cvm_oct_device[]; extern atomic_t cvm_oct_poll_queue_stopping; diff --git a/drivers/staging/rtl8188eu/core/rtw_ap.c b/drivers/staging/rtl8188eu/core/rtw_ap.c index a5755358cc5d..3562f118347d 100644 --- a/drivers/staging/rtl8188eu/core/rtw_ap.c +++ b/drivers/staging/rtl8188eu/core/rtw_ap.c @@ -481,7 +481,7 @@ void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level) limit = 8;/* 1R */ for (i = 0; i < limit; i++) { - if (psta_ht->ht_cap.supp_mcs_set[i/8] & BIT(i%8)) + if (psta_ht->ht_cap.mcs.rx_mask[i / 8] & BIT(i % 8)) tx_ra_bitmap |= BIT(i+12); } @@ -658,11 +658,15 @@ void update_sta_info_apmode(struct adapter *padapter, struct sta_info *psta) phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable; /* check if sta support s Short GI */ - if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40)) + if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info & + phtpriv_ap->ht_cap.cap_info) & + (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40)) phtpriv_sta->sgi = true; /* bwmode */ - if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & IEEE80211_HT_CAP_SUP_WIDTH) { + if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info & + phtpriv_ap->ht_cap.cap_info) & + IEEE80211_HT_CAP_SUP_WIDTH) { phtpriv_sta->bwmode = pmlmeext->cur_bwmode; phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset; } @@ -702,12 +706,12 @@ static void update_hw_ht_param(struct adapter *padapter) /* handle A-MPDU parameter field */ /* - AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k - AMPDU_para [4:2]:Min MPDU Start Spacing + ampdu_params_info [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k + ampdu_params_info [4:2]:Min MPDU Start Spacing */ - max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03; + max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x03; - min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2; + min_MPDU_spacing = (pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) >> 2; rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing)); @@ -716,7 +720,7 @@ static void update_hw_ht_param(struct adapter *padapter) /* */ /* Config SM Power Save setting */ /* */ - pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & 0x0C) >> 2; + pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & 0x0C) >> 2; if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC) DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__); } @@ -1032,7 +1036,7 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len) (pbss_network->IELength - _BEACON_IE_OFFSET_)); if (p && ie_len > 0) { u8 rf_type; - struct rtw_ieee80211_ht_cap *pht_cap = (struct rtw_ieee80211_ht_cap *)(p+2); + struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p + 2); pHT_caps_ie = p; ht_cap = true; @@ -1050,8 +1054,8 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len) pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_FACTOR & 0x03); if (rf_type == RF_1T1R) { - pht_cap->supp_mcs_set[0] = 0xff; - pht_cap->supp_mcs_set[1] = 0x0; + pht_cap->mcs.rx_mask[0] = 0xff; + pht_cap->mcs.rx_mask[1] = 0x0; } memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len); } @@ -1422,7 +1426,8 @@ static int rtw_ht_operation_update(struct adapter *padapter) if (pmlmepriv->num_sta_no_ht || (pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT)) new_op_mode = OP_MODE_MIXED; - else if ((phtpriv_ap->ht_cap.cap_info & IEEE80211_HT_CAP_SUP_WIDTH) && + else if ((le16_to_cpu(phtpriv_ap->ht_cap.cap_info) & + IEEE80211_HT_CAP_SUP_WIDTH) && pmlmepriv->num_sta_ht_20mhz) new_op_mode = OP_MODE_20MHZ_HT_STA_ASSOCED; else if (pmlmepriv->olbc_ht) @@ -1552,7 +1557,7 @@ void bss_cap_update_on_sta_join(struct adapter *padapter, struct sta_info *psta) } if (psta->flags & WLAN_STA_HT) { - u16 ht_capab = psta->htpriv.ht_cap.cap_info; + u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info); DBG_88E("HT: STA %pM HT Capabilities Info: 0x%04x\n", (psta->hwaddr), ht_capab); @@ -1710,40 +1715,6 @@ u8 ap_free_sta(struct adapter *padapter, struct sta_info *psta, return beacon_updated; } -int rtw_ap_inform_ch_switch(struct adapter *padapter, u8 new_ch, u8 ch_offset) -{ - struct list_head *phead, *plist; - struct sta_info *psta = NULL; - struct sta_priv *pstapriv = &padapter->stapriv; - struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; - struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); - u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - - if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE) - return 0; - - DBG_88E(FUNC_NDEV_FMT" with ch:%u, offset:%u\n", - FUNC_NDEV_ARG(padapter->pnetdev), new_ch, ch_offset); - - spin_lock_bh(&pstapriv->asoc_list_lock); - phead = &pstapriv->asoc_list; - plist = phead->next; - - /* for each sta in asoc_queue */ - while (phead != plist) { - psta = container_of(plist, struct sta_info, asoc_list); - plist = plist->next; - - issue_action_spct_ch_switch(padapter, psta->hwaddr, new_ch, ch_offset); - psta->expire_to = min_t(unsigned int, pstapriv->expire_to * 2, 5); - } - spin_unlock_bh(&pstapriv->asoc_list_lock); - - issue_action_spct_ch_switch(padapter, bc_addr, new_ch, ch_offset); - - return 0; -} - int rtw_sta_flush(struct adapter *padapter) { struct list_head *phead, *plist; diff --git a/drivers/staging/rtl8188eu/core/rtw_cmd.c b/drivers/staging/rtl8188eu/core/rtw_cmd.c index 77485235c615..c0af5abb8602 100644 --- a/drivers/staging/rtl8188eu/core/rtw_cmd.c +++ b/drivers/staging/rtl8188eu/core/rtw_cmd.c @@ -27,8 +27,8 @@ No irqsave is necessary. int rtw_init_cmd_priv(struct cmd_priv *pcmdpriv) { - sema_init(&(pcmdpriv->cmd_queue_sema), 0); - sema_init(&(pcmdpriv->terminate_cmdthread_sema), 0); + init_completion(&pcmdpriv->cmd_queue_comp); + init_completion(&pcmdpriv->terminate_cmdthread_comp); _rtw_init_queue(&(pcmdpriv->cmd_queue)); return _SUCCESS; @@ -122,7 +122,7 @@ u32 rtw_enqueue_cmd(struct cmd_priv *pcmdpriv, struct cmd_obj *cmd_obj) res = _rtw_enqueue_cmd(&pcmdpriv->cmd_queue, cmd_obj); if (res == _SUCCESS) - up(&pcmdpriv->cmd_queue_sema); + complete(&pcmdpriv->cmd_queue_comp); exit: @@ -162,12 +162,12 @@ int rtw_cmd_thread(void *context) allow_signal(SIGTERM); pcmdpriv->cmdthd_running = true; - up(&pcmdpriv->terminate_cmdthread_sema); + complete(&pcmdpriv->terminate_cmdthread_comp); RT_TRACE(_module_rtl871x_cmd_c_, _drv_info_, ("start r871x rtw_cmd_thread !!!!\n")); while (1) { - if (_rtw_down_sema(&pcmdpriv->cmd_queue_sema) == _FAIL) + if (wait_for_completion_interruptible(&pcmdpriv->cmd_queue_comp)) break; if (padapter->bDriverStopped || @@ -234,7 +234,7 @@ _next: rtw_free_cmd_obj(pcmd); } - up(&pcmdpriv->terminate_cmdthread_sema); + complete(&pcmdpriv->terminate_cmdthread_comp); complete_and_exit(NULL, 0); @@ -670,13 +670,13 @@ u8 rtw_addbareq_cmd(struct adapter *padapter, u8 tid, u8 *addr) u8 res = _SUCCESS; - ph2c = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL); + ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); if (!ph2c) { res = _FAIL; goto exit; } - paddbareq_parm = kzalloc(sizeof(struct addBaReq_parm), GFP_KERNEL); + paddbareq_parm = kzalloc(sizeof(struct addBaReq_parm), GFP_ATOMIC); if (!paddbareq_parm) { kfree(ph2c); res = _FAIL; diff --git a/drivers/staging/rtl8188eu/core/rtw_efuse.c b/drivers/staging/rtl8188eu/core/rtw_efuse.c index fbce1f7e68ca..16cc7706a1e6 100644 --- a/drivers/staging/rtl8188eu/core/rtw_efuse.c +++ b/drivers/staging/rtl8188eu/core/rtw_efuse.c @@ -317,69 +317,6 @@ void efuse_ReadEFuse(struct adapter *Adapter, u8 efuseType, u16 _offset, u16 _si } } -/* Do not support BT */ -void EFUSE_GetEfuseDefinition(struct adapter *pAdapter, u8 efuseType, u8 type, void *pOut) -{ - switch (type) { - case TYPE_EFUSE_MAX_SECTION: - { - u8 *pMax_section; - pMax_section = pOut; - *pMax_section = EFUSE_MAX_SECTION_88E; - } - break; - case TYPE_EFUSE_REAL_CONTENT_LEN: - { - u16 *pu2Tmp; - pu2Tmp = pOut; - *pu2Tmp = EFUSE_REAL_CONTENT_LEN_88E; - } - break; - case TYPE_EFUSE_CONTENT_LEN_BANK: - { - u16 *pu2Tmp; - pu2Tmp = pOut; - *pu2Tmp = EFUSE_REAL_CONTENT_LEN_88E; - } - break; - case TYPE_AVAILABLE_EFUSE_BYTES_BANK: - { - u16 *pu2Tmp; - pu2Tmp = pOut; - *pu2Tmp = (u16)(EFUSE_REAL_CONTENT_LEN_88E-EFUSE_OOB_PROTECT_BYTES_88E); - } - break; - case TYPE_AVAILABLE_EFUSE_BYTES_TOTAL: - { - u16 *pu2Tmp; - pu2Tmp = pOut; - *pu2Tmp = (u16)(EFUSE_REAL_CONTENT_LEN_88E-EFUSE_OOB_PROTECT_BYTES_88E); - } - break; - case TYPE_EFUSE_MAP_LEN: - { - u16 *pu2Tmp; - pu2Tmp = pOut; - *pu2Tmp = (u16)EFUSE_MAP_LEN_88E; - } - break; - case TYPE_EFUSE_PROTECT_BYTES_BANK: - { - u8 *pu1Tmp; - pu1Tmp = pOut; - *pu1Tmp = (u8)(EFUSE_OOB_PROTECT_BYTES_88E); - } - break; - default: - { - u8 *pu1Tmp; - pu1Tmp = pOut; - *pu1Tmp = 0; - } - break; - } -} - u8 Efuse_WordEnableDataWrite(struct adapter *pAdapter, u16 efuse_addr, u8 word_en, u8 *data) { u16 tmpaddr = 0; @@ -483,14 +420,11 @@ int Efuse_PgPacketRead(struct adapter *pAdapter, u8 offset, u8 *data) u8 hoffset = 0, hworden = 0; u8 tmpidx = 0; u8 tmpdata[8]; - u8 max_section = 0; u8 tmp_header = 0; - EFUSE_GetEfuseDefinition(pAdapter, EFUSE_WIFI, TYPE_EFUSE_MAX_SECTION, (void *)&max_section); - if (!data) return false; - if (offset > max_section) + if (offset > EFUSE_MAX_SECTION_88E) return false; memset(data, 0xff, sizeof(u8) * PGPKT_DATA_SIZE); @@ -591,12 +525,12 @@ static bool hal_EfuseFixHeaderProcess(struct adapter *pAdapter, u8 efuseType, st static bool hal_EfusePgPacketWrite2ByteHeader(struct adapter *pAdapter, u8 efuseType, u16 *pAddr, struct pgpkt *pTargetPkt) { bool bRet = false; - u16 efuse_addr = *pAddr, efuse_max_available_len = 0; + u16 efuse_addr = *pAddr; + u16 efuse_max_available_len = + EFUSE_REAL_CONTENT_LEN_88E - EFUSE_OOB_PROTECT_BYTES_88E; u8 pg_header = 0, tmp_header = 0, pg_header_temp = 0; u8 repeatcnt = 0; - EFUSE_GetEfuseDefinition(pAdapter, efuseType, TYPE_AVAILABLE_EFUSE_BYTES_BANK, (void *)&efuse_max_available_len); - while (efuse_addr < efuse_max_available_len) { pg_header = ((pTargetPkt->offset & 0x07) << 5) | 0x0F; efuse_OneByteWrite(pAdapter, efuse_addr, pg_header); @@ -769,12 +703,11 @@ static bool hal_EfusePartialWriteCheck(struct adapter *pAdapter, u8 efuseType, u bool bRet = false; u8 i, efuse_data = 0, cur_header = 0; u8 matched_wden = 0, badworden = 0; - u16 startAddr = 0, efuse_max_available_len = 0, efuse_max = 0; + u16 startAddr = 0; + u16 efuse_max_available_len = + EFUSE_REAL_CONTENT_LEN_88E - EFUSE_OOB_PROTECT_BYTES_88E; struct pgpkt curPkt; - EFUSE_GetEfuseDefinition(pAdapter, efuseType, TYPE_AVAILABLE_EFUSE_BYTES_BANK, (void *)&efuse_max_available_len); - EFUSE_GetEfuseDefinition(pAdapter, efuseType, TYPE_EFUSE_REAL_CONTENT_LEN, (void *)&efuse_max); - rtw_hal_get_hwreg(pAdapter, HW_VAR_EFUSE_BYTES, (u8 *)&startAddr); startAddr %= EFUSE_REAL_CONTENT_LEN; @@ -846,12 +779,7 @@ hal_EfusePgCheckAvailableAddr( u8 efuseType ) { - u16 efuse_max_available_len = 0; - - /* Change to check TYPE_EFUSE_MAP_LEN , because 8188E raw 256, logic map over 256. */ - EFUSE_GetEfuseDefinition(pAdapter, EFUSE_WIFI, TYPE_EFUSE_MAP_LEN, (void *)&efuse_max_available_len); - - if (Efuse_GetCurrentSize(pAdapter) >= efuse_max_available_len) + if (Efuse_GetCurrentSize(pAdapter) >= EFUSE_MAP_LEN_88E) return false; return true; } @@ -977,13 +905,9 @@ void efuse_WordEnableDataRead(u8 word_en, u8 *sourdata, u8 *targetdata) */ static void Efuse_ReadAllMap(struct adapter *pAdapter, u8 efuseType, u8 *Efuse) { - u16 mapLen = 0; - Efuse_PowerSwitch(pAdapter, false, true); - EFUSE_GetEfuseDefinition(pAdapter, efuseType, TYPE_EFUSE_MAP_LEN, (void *)&mapLen); - - efuse_ReadEFuse(pAdapter, efuseType, 0, mapLen, Efuse); + efuse_ReadEFuse(pAdapter, efuseType, 0, EFUSE_MAP_LEN_88E, Efuse); Efuse_PowerSwitch(pAdapter, false, false); } @@ -996,12 +920,9 @@ void EFUSE_ShadowMapUpdate( u8 efuseType) { struct eeprom_priv *pEEPROM = GET_EEPROM_EFUSE_PRIV(pAdapter); - u16 mapLen = 0; - - EFUSE_GetEfuseDefinition(pAdapter, efuseType, TYPE_EFUSE_MAP_LEN, (void *)&mapLen); if (pEEPROM->bautoload_fail_flag) - memset(pEEPROM->efuse_eeprom_data, 0xFF, mapLen); + memset(pEEPROM->efuse_eeprom_data, 0xFF, EFUSE_MAP_LEN_88E); else Efuse_ReadAllMap(pAdapter, efuseType, pEEPROM->efuse_eeprom_data); } diff --git a/drivers/staging/rtl8188eu/core/rtw_ieee80211.c b/drivers/staging/rtl8188eu/core/rtw_ieee80211.c index 0b0d78fe83ed..914c4923421b 100644 --- a/drivers/staging/rtl8188eu/core/rtw_ieee80211.c +++ b/drivers/staging/rtl8188eu/core/rtw_ieee80211.c @@ -155,59 +155,6 @@ u8 *rtw_set_ie return pbuf + len + 2; } -inline u8 *rtw_set_ie_ch_switch(u8 *buf, u32 *buf_len, u8 ch_switch_mode, - u8 new_ch, u8 ch_switch_cnt) -{ - u8 ie_data[3]; - - ie_data[0] = ch_switch_mode; - ie_data[1] = new_ch; - ie_data[2] = ch_switch_cnt; - return rtw_set_ie(buf, WLAN_EID_CHANNEL_SWITCH, 3, ie_data, buf_len); -} - -inline u8 secondary_ch_offset_to_hal_ch_offset(u8 ch_offset) -{ - if (ch_offset == SCN) - return HAL_PRIME_CHNL_OFFSET_DONT_CARE; - else if (ch_offset == SCA) - return HAL_PRIME_CHNL_OFFSET_UPPER; - else if (ch_offset == SCB) - return HAL_PRIME_CHNL_OFFSET_LOWER; - - return HAL_PRIME_CHNL_OFFSET_DONT_CARE; -} - -inline u8 hal_ch_offset_to_secondary_ch_offset(u8 ch_offset) -{ - if (ch_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE) - return SCN; - else if (ch_offset == HAL_PRIME_CHNL_OFFSET_LOWER) - return SCB; - else if (ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER) - return SCA; - - return SCN; -} - -inline u8 *rtw_set_ie_secondary_ch_offset(u8 *buf, u32 *buf_len, u8 secondary_ch_offset) -{ - return rtw_set_ie(buf, WLAN_EID_SECONDARY_CHANNEL_OFFSET, 1, &secondary_ch_offset, buf_len); -} - -inline u8 *rtw_set_ie_mesh_ch_switch_parm(u8 *buf, u32 *buf_len, u8 ttl, - u8 flags, u16 reason, u16 precedence) -{ - u8 ie_data[6]; - - ie_data[0] = ttl; - ie_data[1] = flags; - *(u16 *)(ie_data + 2) = cpu_to_le16(reason); - *(u16 *)(ie_data + 4) = cpu_to_le16(precedence); - - return rtw_set_ie(buf, 0x118, 6, ie_data, buf_len); -} - /*---------------------------------------------------------------------------- index: the information element id index, limit is the limit for search -----------------------------------------------------------------------------*/ @@ -236,97 +183,6 @@ u8 *rtw_get_ie(u8 *pbuf, int index, int *len, int limit) return NULL; } -/** - * rtw_get_ie_ex - Search specific IE from a series of IEs - * @in_ie: Address of IEs to search - * @in_len: Length limit from in_ie - * @eid: Element ID to match - * @oui: OUI to match - * @oui_len: OUI length - * @ie: If not NULL and the specific IE is found, the IE will be copied to the buf starting from the specific IE - * @ielen: If not NULL and the specific IE is found, will set to the length of the entire IE - * - * Returns: The address of the specific IE found, or NULL - */ -u8 *rtw_get_ie_ex(u8 *in_ie, uint in_len, u8 eid, u8 *oui, u8 oui_len, u8 *ie, uint *ielen) -{ - uint cnt; - u8 *target_ie = NULL; - - - if (ielen) - *ielen = 0; - - if (!in_ie || in_len <= 0) - return target_ie; - - cnt = 0; - - while (cnt < in_len) { - if (eid == in_ie[cnt] && (!oui || !memcmp(&in_ie[cnt + 2], oui, oui_len))) { - target_ie = &in_ie[cnt]; - - if (ie) - memcpy(ie, &in_ie[cnt], in_ie[cnt + 1] + 2); - - if (ielen) - *ielen = in_ie[cnt + 1] + 2; - - break; - } else { - cnt += in_ie[cnt + 1] + 2; /* goto next */ - } - } - return target_ie; -} - -/** - * rtw_ies_remove_ie - Find matching IEs and remove - * @ies: Address of IEs to search - * @ies_len: Pointer of length of ies, will update to new length - * @offset: The offset to start scarch - * @eid: Element ID to match - * @oui: OUI to match - * @oui_len: OUI length - * - * Returns: _SUCCESS: ies is updated, _FAIL: not updated - */ -int rtw_ies_remove_ie(u8 *ies, uint *ies_len, uint offset, u8 eid, u8 *oui, u8 oui_len) -{ - int ret = _FAIL; - u8 *target_ie; - u32 target_ielen; - u8 *start; - uint search_len; - - if (!ies || !ies_len || *ies_len <= offset) - goto exit; - - start = ies + offset; - search_len = *ies_len - offset; - - while (1) { - target_ie = rtw_get_ie_ex(start, search_len, eid, oui, oui_len, NULL, &target_ielen); - if (target_ie && target_ielen) { - u8 buf[MAX_IE_SZ] = {0}; - u8 *remain_ies = target_ie + target_ielen; - uint remain_len = search_len - (remain_ies - start); - - memcpy(buf, remain_ies, remain_len); - memcpy(target_ie, buf, remain_len); - *ies_len = *ies_len - target_ielen; - ret = _SUCCESS; - - start = target_ie; - search_len = remain_len; - } else { - break; - } - } -exit: - return ret; -} - void rtw_set_supported_rate(u8 *SupportedRates, uint mode) { @@ -1096,43 +952,6 @@ void rtw_macaddr_cfg(u8 *mac_addr) DBG_88E("rtw_macaddr_cfg MAC Address = %pM\n", (mac_addr)); } -void dump_ies(u8 *buf, u32 buf_len) -{ - u8 *pos = buf; - u8 id, len; - - while (pos - buf <= buf_len) { - id = *pos; - len = *(pos + 1); - - DBG_88E("%s ID:%u, LEN:%u\n", __func__, id, len); - dump_wps_ie(pos, len); - - pos += (2 + len); - } -} - -void dump_wps_ie(u8 *ie, u32 ie_len) -{ - u8 *pos = ie; - u16 id; - u16 len; - u8 *wps_ie; - uint wps_ielen; - - wps_ie = rtw_get_wps_ie(ie, ie_len, NULL, &wps_ielen); - if (wps_ie != ie || wps_ielen == 0) - return; - - pos += 6; - while (pos - ie < ie_len) { - id = get_unaligned_be16(pos); - len = get_unaligned_be16(pos + 2); - DBG_88E("%s ID:0x%04x, LEN:%u\n", __func__, id, len); - pos += (4 + len); - } -} - /* Baron adds to avoid FreeBSD warning */ int ieee80211_is_empty_essid(const char *essid, int essid_len) { @@ -1223,7 +1042,6 @@ void rtw_get_bcn_info(struct wlan_network *pnetwork) __le16 le_tmp; u16 wpa_len = 0, rsn_len = 0; struct HT_info_element *pht_info = NULL; - struct rtw_ieee80211_ht_cap *pht_cap = NULL; unsigned int len; unsigned char *p; @@ -1259,10 +1077,12 @@ void rtw_get_bcn_info(struct wlan_network *pnetwork) /* parsing HT_CAP_IE */ p = rtw_get_ie(pnetwork->network.IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, pnetwork->network.IELength - _FIXED_IE_LENGTH_); if (p && len > 0) { - pht_cap = (struct rtw_ieee80211_ht_cap *)(p + 2); - pnetwork->BcnInfo.ht_cap_info = pht_cap->cap_info; + struct ieee80211_ht_cap *ht_cap = + (struct ieee80211_ht_cap *)(p + 2); + + pnetwork->BcnInfo.ht_cap_info = le16_to_cpu(ht_cap->cap_info); } else { - pnetwork->BcnInfo.ht_cap_info = 0; + pnetwork->BcnInfo.ht_cap_info = 0; } /* parsing HT_INFO_IE */ p = rtw_get_ie(pnetwork->network.IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, pnetwork->network.IELength - _FIXED_IE_LENGTH_); @@ -1335,58 +1155,3 @@ u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40, unsign } return max_rate; } - -int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category, u8 *action) -{ - const u8 *frame_body = frame + sizeof(struct rtw_ieee80211_hdr_3addr); - u16 fc; - u8 c, a = 0; - - fc = le16_to_cpu(((struct rtw_ieee80211_hdr_3addr *)frame)->frame_ctl); - - if ((fc & (RTW_IEEE80211_FCTL_FTYPE | RTW_IEEE80211_FCTL_STYPE)) != - (RTW_IEEE80211_FTYPE_MGMT | RTW_IEEE80211_STYPE_ACTION)) - return false; - - c = frame_body[0]; - - switch (c) { - case RTW_WLAN_CATEGORY_P2P: /* vendor-specific */ - break; - default: - a = frame_body[1]; - } - - if (category) - *category = c; - if (action) - *action = a; - - return true; -} - -static const char *_action_public_str[] = { - "ACT_PUB_BSSCOEXIST", - "ACT_PUB_DSE_ENABLE", - "ACT_PUB_DSE_DEENABLE", - "ACT_PUB_DSE_REG_LOCATION", - "ACT_PUB_EXT_CHL_SWITCH", - "ACT_PUB_DSE_MSR_REQ", - "ACT_PUB_DSE_MSR_RPRT", - "ACT_PUB_MP", - "ACT_PUB_DSE_PWR_CONSTRAINT", - "ACT_PUB_VENDOR", - "ACT_PUB_GAS_INITIAL_REQ", - "ACT_PUB_GAS_INITIAL_RSP", - "ACT_PUB_GAS_COMEBACK_REQ", - "ACT_PUB_GAS_COMEBACK_RSP", - "ACT_PUB_TDLS_DISCOVERY_RSP", - "ACT_PUB_LOCATION_TRACK", - "ACT_PUB_RSVD", -}; - -const char *action_public_str(u8 action) -{ - action = min_t(u8, action, ACT_PUBLIC_MAX); - return _action_public_str[action]; -} diff --git a/drivers/staging/rtl8188eu/core/rtw_ioctl_set.c b/drivers/staging/rtl8188eu/core/rtw_ioctl_set.c index f85a6abec3a3..6ed23f4db38c 100644 --- a/drivers/staging/rtl8188eu/core/rtw_ioctl_set.c +++ b/drivers/staging/rtl8188eu/core/rtw_ioctl_set.c @@ -14,7 +14,6 @@ ******************************************************************************/ #define _RTW_IOCTL_SET_C_ - #include <osdep_service.h> #include <drv_types.h> #include <rtw_ioctl_set.h> @@ -570,10 +569,8 @@ u16 rtw_get_cur_max_rate(struct adapter *adapter) struct registry_priv *pregistrypriv = &adapter->registrypriv; struct mlme_priv *pmlmepriv = &adapter->mlmepriv; struct wlan_bssid_ex *pcur_bss = &pmlmepriv->cur_network.network; - struct rtw_ieee80211_ht_cap *pht_capie; u8 rf_type = 0; u8 bw_40MHz = 0, short_GI_20 = 0, short_GI_40 = 0; - u16 mcs_rate = 0; u32 ht_ielen = 0; if (adapter->registrypriv.mp_mode == 1) { @@ -588,15 +585,11 @@ u16 rtw_get_cur_max_rate(struct adapter *adapter) if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N|WIRELESS_11_5N)) { p = rtw_get_ie(&pcur_bss->IEs[12], _HT_CAPABILITY_IE_, &ht_ielen, pcur_bss->IELength-12); if (p && ht_ielen > 0) { - pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2); - - memcpy(&mcs_rate, pht_capie->supp_mcs_set, 2); - /* cur_bwmod is updated by beacon, pmlmeinfo is updated by association response */ bw_40MHz = (pmlmeext->cur_bwmode && (HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH & pmlmeinfo->HT_info.infos[0])) ? 1 : 0; - short_GI_20 = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & IEEE80211_HT_CAP_SGI_20) ? 1 : 0; - short_GI_40 = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & IEEE80211_HT_CAP_SGI_40) ? 1 : 0; + short_GI_20 = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & IEEE80211_HT_CAP_SGI_20) ? 1 : 0; + short_GI_40 = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & IEEE80211_HT_CAP_SGI_40) ? 1 : 0; rtw_hal_get_hwreg(adapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type)); max_rate = rtw_mcs_rate( @@ -604,7 +597,7 @@ u16 rtw_get_cur_max_rate(struct adapter *adapter) bw_40MHz & (pregistrypriv->cbw40_enable), short_GI_20, short_GI_40, - pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate + pmlmeinfo->HT_caps.mcs.rx_mask ); } } else { diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme.c b/drivers/staging/rtl8188eu/core/rtw_mlme.c index 1456499b84bf..4b63979ae441 100644 --- a/drivers/staging/rtl8188eu/core/rtw_mlme.c +++ b/drivers/staging/rtl8188eu/core/rtw_mlme.c @@ -1935,7 +1935,6 @@ unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ u32 ielen, out_len; enum ht_cap_ampdu_factor max_rx_ampdu_factor; unsigned char *p; - struct rtw_ieee80211_ht_cap ht_capie; unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00}; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct qos_priv *pqospriv = &pmlmepriv->qospriv; @@ -1948,6 +1947,8 @@ unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ p = rtw_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12); if (p && ielen > 0) { + struct ieee80211_ht_cap ht_cap; + if (pqospriv->qos_option == 0) { out_len = *pout_len; rtw_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_, @@ -1958,33 +1959,33 @@ unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ out_len = *pout_len; - memset(&ht_capie, 0, sizeof(struct rtw_ieee80211_ht_cap)); + memset(&ht_cap, 0, sizeof(struct ieee80211_ht_cap)); - ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH | - IEEE80211_HT_CAP_SGI_20 | - IEEE80211_HT_CAP_SGI_40 | - IEEE80211_HT_CAP_TX_STBC | - IEEE80211_HT_CAP_DSSSCCK40; + ht_cap.cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH | + IEEE80211_HT_CAP_SGI_20 | + IEEE80211_HT_CAP_SGI_40 | + IEEE80211_HT_CAP_TX_STBC | + IEEE80211_HT_CAP_DSSSCCK40); rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset); rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz); /* - AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k - AMPDU_para [4:2]:Min MPDU Start Spacing + ampdu_params_info [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k + ampdu_params_info [4:2]:Min MPDU Start Spacing */ rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor); - ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03); + ht_cap.ampdu_params_info = max_rx_ampdu_factor & 0x03; if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_) - ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2)); + ht_cap.ampdu_params_info |= IEEE80211_HT_CAP_AMPDU_DENSITY & (0x07 << 2); else - ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00); - + ht_cap.ampdu_params_info |= IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00; rtw_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_, - sizeof(struct rtw_ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len); + sizeof(struct ieee80211_ht_cap), + (unsigned char *)&ht_cap, pout_len); phtpriv->ht_option = true; @@ -2000,9 +2001,6 @@ unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ /* the function is > passive_level (in critical_section) */ void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len) { - u8 *p, max_ampdu_sz; - int len; - struct rtw_ieee80211_ht_cap *pht_capie; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct ht_priv *phtpriv = &pmlmepriv->htpriv; struct registry_priv *pregistrypriv = &padapter->registrypriv; @@ -2027,22 +2025,9 @@ void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len) phtpriv->ampdu_enable = true; } - - /* check Max Rx A-MPDU Size */ - len = 0; - p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fixed_ie), _HT_CAPABILITY_IE_, &len, ie_len-sizeof(struct ndis_802_11_fixed_ie)); - if (p && len > 0) { - pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2); - max_ampdu_sz = pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR; - max_ampdu_sz = 1 << (max_ampdu_sz+3); /* max_ampdu_sz (kbytes); */ - phtpriv->rx_ampdu_maxlen = max_ampdu_sz; - } - len = 0; - p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fixed_ie), _HT_ADD_INFO_IE_, &len, ie_len-sizeof(struct ndis_802_11_fixed_ie)); - /* update cur_bwmode & cur_ch_offset */ if ((pregistrypriv->cbw40_enable) && - (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & BIT(1)) && + (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & BIT(1)) && (pmlmeinfo->HT_info.infos[0] & BIT(2))) { int i; u8 rf_type; @@ -2052,9 +2037,9 @@ void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len) /* update the MCS rates */ for (i = 0; i < 16; i++) { if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R)) - pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i]; + ((u8 *)&pmlmeinfo->HT_caps.mcs)[i] &= MCS_rate_1R[i]; else - pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i]; + ((u8 *)&pmlmeinfo->HT_caps.mcs)[i] &= MCS_rate_2R[i]; } /* switch to the 40M Hz mode according to the AP */ pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_40; @@ -2072,7 +2057,7 @@ void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len) } /* Config SM Power Save setting */ - pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & 0x0C) >> 2; + pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & 0x0C) >> 2; if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC) DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__); diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c index 7f32b39e5869..ed026f72b733 100644 --- a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c +++ b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c @@ -1132,23 +1132,23 @@ static void issue_assocreq(struct adapter *padapter) if (padapter->mlmepriv.htpriv.ht_option) { p = rtw_get_ie((pmlmeinfo->network.IEs + sizeof(struct ndis_802_11_fixed_ie)), _HT_CAPABILITY_IE_, &ie_len, (pmlmeinfo->network.IELength - sizeof(struct ndis_802_11_fixed_ie))); if ((p != NULL) && (!(is_ap_in_tkip(padapter)))) { - memcpy(&(pmlmeinfo->HT_caps), (p + 2), sizeof(struct HT_caps_element)); + memcpy(&pmlmeinfo->HT_caps, p + 2, sizeof(struct ieee80211_ht_cap)); /* to disable 40M Hz support while gd_bw_40MHz_en = 0 */ if (pregpriv->cbw40_enable == 0) - pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info &= cpu_to_le16(~(BIT(6) | BIT(1))); + pmlmeinfo->HT_caps.cap_info &= cpu_to_le16(~(BIT(6) | BIT(1))); else - pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info |= cpu_to_le16(BIT(1)); + pmlmeinfo->HT_caps.cap_info |= cpu_to_le16(BIT(1)); /* todo: disable SM power save mode */ - pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info |= cpu_to_le16(0x000c); + pmlmeinfo->HT_caps.cap_info |= cpu_to_le16(0x000c); rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type)); switch (rf_type) { case RF_1T1R: if (pregpriv->rx_stbc) - pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info |= cpu_to_le16(0x0100);/* RX STBC One spatial stream */ - memcpy(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_rate_1R, 16); + pmlmeinfo->HT_caps.cap_info |= cpu_to_le16(0x0100);/* RX STBC One spatial stream */ + memcpy((u8 *)&pmlmeinfo->HT_caps.mcs, MCS_rate_1R, 16); break; case RF_2T2R: case RF_1T2R: @@ -1157,9 +1157,9 @@ static void issue_assocreq(struct adapter *padapter) ((pmlmeext->cur_wireless_mode & WIRELESS_11_24N) && (pregpriv->rx_stbc == 0x1)) || /* enable for 2.4GHz */ (pregpriv->wifi_spec == 1)) { DBG_88E("declare supporting RX STBC\n"); - pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info |= cpu_to_le16(0x0200);/* RX STBC two spatial stream */ + pmlmeinfo->HT_caps.cap_info |= cpu_to_le16(0x0200);/* RX STBC two spatial stream */ } - memcpy(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_rate_2R, 16); + memcpy(&pmlmeinfo->HT_caps.mcs, MCS_rate_2R, 16); break; } pframe = rtw_set_ie(pframe, _HT_CAPABILITY_IE_, ie_len , (u8 *)(&(pmlmeinfo->HT_caps)), &(pattrib->pktlen)); @@ -1559,66 +1559,6 @@ exit: return ret; } -void issue_action_spct_ch_switch(struct adapter *padapter, u8 *ra, u8 new_ch, u8 ch_offset) -{ - struct xmit_frame *pmgntframe; - struct pkt_attrib *pattrib; - unsigned char *pframe; - struct rtw_ieee80211_hdr *pwlanhdr; - __le16 *fctrl; - struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); - struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); - - - DBG_88E(FUNC_NDEV_FMT" ra =%pM, ch:%u, offset:%u\n", - FUNC_NDEV_ARG(padapter->pnetdev), ra, new_ch, ch_offset); - - pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) - return; - - /* update attribute */ - pattrib = &pmgntframe->attrib; - update_mgntframe_attrib(padapter, pattrib); - - memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); - - pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; - pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; - - fctrl = &(pwlanhdr->frame_ctl); - *(fctrl) = 0; - - memcpy(pwlanhdr->addr1, ra, ETH_ALEN); /* RA */ - memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN); /* TA */ - memcpy(pwlanhdr->addr3, ra, ETH_ALEN); /* DA = RA */ - - SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); - pmlmeext->mgnt_seq++; - SetFrameSubType(pframe, WIFI_ACTION); - - pframe += sizeof(struct rtw_ieee80211_hdr_3addr); - pattrib->pktlen = sizeof(struct rtw_ieee80211_hdr_3addr); - - /* category, action */ - { - u8 category, action; - category = RTW_WLAN_CATEGORY_SPECTRUM_MGMT; - action = RTW_WLAN_ACTION_SPCT_CHL_SWITCH; - - pframe = rtw_set_fixed_ie(pframe, 1, &(category), &(pattrib->pktlen)); - pframe = rtw_set_fixed_ie(pframe, 1, &(action), &(pattrib->pktlen)); - } - - pframe = rtw_set_ie_ch_switch(pframe, &(pattrib->pktlen), 0, new_ch, 0); - pframe = rtw_set_ie_secondary_ch_offset(pframe, &(pattrib->pktlen), - hal_ch_offset_to_secondary_ch_offset(ch_offset)); - - pattrib->last_txcmdsz = pattrib->pktlen; - - dump_mgntframe(padapter, pmgntframe); -} - static void issue_action_BA(struct adapter *padapter, unsigned char *raddr, unsigned char action, unsigned short status) { @@ -2249,10 +2189,10 @@ static u8 collect_bss_info(struct adapter *padapter, struct mlme_priv *pmlmepriv = &padapter->mlmepriv; p = rtw_get_ie(bssid->IEs + ie_offset, _HT_CAPABILITY_IE_, &len, bssid->IELength - ie_offset); if (p && len > 0) { - struct HT_caps_element *pHT_caps; - pHT_caps = (struct HT_caps_element *)(p + 2); + struct ieee80211_ht_cap *pHT_caps = + (struct ieee80211_ht_cap *)(p + 2); - if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info)&BIT(14)) + if (le16_to_cpu(pHT_caps->cap_info) & BIT(14)) pmlmepriv->num_FortyMHzIntolerant++; } else { pmlmepriv->num_sta_no_ht++; @@ -3296,13 +3236,15 @@ static unsigned int OnAssocReq(struct adapter *padapter, } /* save HT capabilities in the sta object */ - memset(&pstat->htpriv.ht_cap, 0, sizeof(struct rtw_ieee80211_ht_cap)); - if (elems.ht_capabilities && elems.ht_capabilities_len >= sizeof(struct rtw_ieee80211_ht_cap)) { + memset(&pstat->htpriv.ht_cap, 0, sizeof(struct ieee80211_ht_cap)); + if (elems.ht_capabilities && + elems.ht_capabilities_len >= sizeof(struct ieee80211_ht_cap)) { pstat->flags |= WLAN_STA_HT; pstat->flags |= WLAN_STA_WME; - memcpy(&pstat->htpriv.ht_cap, elems.ht_capabilities, sizeof(struct rtw_ieee80211_ht_cap)); + memcpy(&pstat->htpriv.ht_cap, + elems.ht_capabilities, sizeof(struct ieee80211_ht_cap)); } else { pstat->flags &= ~WLAN_STA_HT; } @@ -4537,7 +4479,7 @@ void update_sta_info(struct adapter *padapter, struct sta_info *psta) psta->htpriv.ampdu_enable = pmlmepriv->htpriv.ampdu_enable; - if (support_short_GI(padapter, &(pmlmeinfo->HT_caps))) + if (support_short_GI(padapter, &pmlmeinfo->HT_caps)) psta->htpriv.sgi = true; psta->qos_option = true; diff --git a/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c b/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c index 59c6d8ab60f6..0b70fe7d3b72 100644 --- a/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c +++ b/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c @@ -38,7 +38,7 @@ static int rtw_hw_suspend(struct adapter *padapter) LeaveAllPowerSaveMode(padapter); DBG_88E("==> rtw_hw_suspend\n"); - _enter_pwrlock(&pwrpriv->lock); + mutex_lock(&pwrpriv->mutex_lock); pwrpriv->bips_processing = true; /* s1. */ if (pnetdev) { @@ -73,7 +73,7 @@ static int rtw_hw_suspend(struct adapter *padapter) pwrpriv->rf_pwrstate = rf_off; pwrpriv->bips_processing = false; - _exit_pwrlock(&pwrpriv->lock); + mutex_unlock(&pwrpriv->mutex_lock); return 0; @@ -90,12 +90,12 @@ static int rtw_hw_resume(struct adapter *padapter) /* system resume */ DBG_88E("==> rtw_hw_resume\n"); - _enter_pwrlock(&pwrpriv->lock); + mutex_lock(&pwrpriv->mutex_lock); pwrpriv->bips_processing = true; rtw_reset_drv_sw(padapter); if (pm_netdev_open(pnetdev, false) != 0) { - _exit_pwrlock(&pwrpriv->lock); + mutex_unlock(&pwrpriv->mutex_lock); goto error_exit; } @@ -113,7 +113,7 @@ static int rtw_hw_resume(struct adapter *padapter) pwrpriv->rf_pwrstate = rf_on; pwrpriv->bips_processing = false; - _exit_pwrlock(&pwrpriv->lock); + mutex_unlock(&pwrpriv->mutex_lock); return 0; @@ -138,7 +138,7 @@ void ips_enter(struct adapter *padapter) return; } - _enter_pwrlock(&pwrpriv->lock); + mutex_lock(&pwrpriv->mutex_lock); pwrpriv->bips_processing = true; @@ -159,7 +159,7 @@ void ips_enter(struct adapter *padapter) } pwrpriv->bips_processing = false; - _exit_pwrlock(&pwrpriv->lock); + mutex_unlock(&pwrpriv->mutex_lock); } int ips_leave(struct adapter *padapter) @@ -171,7 +171,7 @@ int ips_leave(struct adapter *padapter) int keyid; - _enter_pwrlock(&pwrpriv->lock); + mutex_lock(&pwrpriv->mutex_lock); if ((pwrpriv->rf_pwrstate == rf_off) && (!pwrpriv->bips_processing)) { pwrpriv->bips_processing = true; @@ -205,7 +205,7 @@ int ips_leave(struct adapter *padapter) pwrpriv->bpower_saving = false; } - _exit_pwrlock(&pwrpriv->lock); + mutex_unlock(&pwrpriv->mutex_lock); return result; } @@ -504,7 +504,7 @@ void rtw_init_pwrctrl_priv(struct adapter *padapter) { struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv; - _init_pwrlock(&pwrctrlpriv->lock); + mutex_init(&pwrctrlpriv->mutex_lock); pwrctrlpriv->rf_pwrstate = rf_on; pwrctrlpriv->ips_enter_cnts = 0; pwrctrlpriv->ips_leave_cnts = 0; diff --git a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c index 4410fe8d7c68..2d115d718be2 100644 --- a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c +++ b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c @@ -716,6 +716,7 @@ void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE) struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct ht_priv *phtpriv = &pmlmepriv->htpriv; + u8 *HT_cap = (u8 *)(&pmlmeinfo->HT_caps); if (pIE == NULL) return; @@ -728,20 +729,20 @@ void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE) for (i = 0; i < (pIE->Length); i++) { if (i != 2) { /* Got the endian issue here. */ - pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]); + HT_cap[i] &= (pIE->data[i]); } else { /* modify from fw by Thomas 2010/11/17 */ - if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3)) + if ((pmlmeinfo->HT_caps.ampdu_params_info & 0x3) > (pIE->data[i] & 0x3)) max_AMPDU_len = pIE->data[i] & 0x3; else - max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3; + max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x3; - if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c)) - min_MPDU_spacing = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c; + if ((pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) > (pIE->data[i] & 0x1c)) + min_MPDU_spacing = pmlmeinfo->HT_caps.ampdu_params_info & 0x1c; else min_MPDU_spacing = pIE->data[i] & 0x1c; - pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing; + pmlmeinfo->HT_caps.ampdu_params_info = max_AMPDU_len | min_MPDU_spacing; } } @@ -750,9 +751,9 @@ void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE) /* update the MCS rates */ for (i = 0; i < 16; i++) { if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R)) - pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i]; + ((u8 *)&pmlmeinfo->HT_caps.mcs)[i] &= MCS_rate_1R[i]; else - pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i]; + ((u8 *)&pmlmeinfo->HT_caps.mcs)[i] &= MCS_rate_2R[i]; } } @@ -798,9 +799,9 @@ void HTOnAssocRsp(struct adapter *padapter) AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k AMPDU_para [4:2]:Min MPDU Start Spacing */ - max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03; + max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x03; - min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2; + min_MPDU_spacing = (pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) >> 2; rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing)); @@ -872,7 +873,6 @@ int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len) u32 wpa_ielen = 0; u8 *pbssid = GetAddr3Ptr(pframe); struct HT_info_element *pht_info = NULL; - struct rtw_ieee80211_ht_cap *pht_cap = NULL; u32 bcn_channel; unsigned short ht_cap_info; unsigned char ht_info_infos_0; @@ -913,8 +913,10 @@ int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len) /* parsing HT_CAP_IE */ p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_); if (p && len > 0) { - pht_cap = (struct rtw_ieee80211_ht_cap *)(p + 2); - ht_cap_info = pht_cap->cap_info; + struct ieee80211_ht_cap *ht_cap = + (struct ieee80211_ht_cap *)(p + 2); + + ht_cap_info = le16_to_cpu(ht_cap->cap_info); } else { ht_cap_info = 0; } @@ -1243,16 +1245,17 @@ unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz) return mask; } -unsigned int update_MSC_rate(struct HT_caps_element *pHT_caps) +unsigned int update_MSC_rate(struct ieee80211_ht_cap *pHT_caps) { unsigned int mask = 0; - mask = (pHT_caps->u.HT_cap_element.MCS_rate[0] << 12) | (pHT_caps->u.HT_cap_element.MCS_rate[1] << 20); + mask = (pHT_caps->mcs.rx_mask[0] << 12) | + (pHT_caps->mcs.rx_mask[1] << 20); return mask; } -int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps) +int support_short_GI(struct adapter *padapter, struct ieee80211_ht_cap *pHT_caps) { unsigned char bit_offset; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; @@ -1266,7 +1269,7 @@ int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps) bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5; - if (__le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset)) + if (__le16_to_cpu(pHT_caps->cap_info) & (0x1 << bit_offset)) return _SUCCESS; else return _FAIL; diff --git a/drivers/staging/rtl8188eu/core/rtw_xmit.c b/drivers/staging/rtl8188eu/core/rtw_xmit.c index e0a5567f5942..1e1b6d8bbf82 100644 --- a/drivers/staging/rtl8188eu/core/rtw_xmit.c +++ b/drivers/staging/rtl8188eu/core/rtw_xmit.c @@ -57,8 +57,6 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */ spin_lock_init(&pxmitpriv->lock); - sema_init(&pxmitpriv->xmit_sema, 0); - sema_init(&pxmitpriv->terminate_xmitthread_sema, 0); /* Please insert all the queue initializaiton using _rtw_init_queue below @@ -199,8 +197,6 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) pxmitpriv->txirp_cnt = 1; - sema_init(&(pxmitpriv->tx_retevt), 0); - /* per AC pending irp */ pxmitpriv->beq_cnt = 0; pxmitpriv->bkq_cnt = 0; diff --git a/drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c b/drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c index 255d6f215091..093a998f2701 100644 --- a/drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c +++ b/drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c @@ -13,6 +13,7 @@ * ******************************************************************************/ #define _RTL8188EU_RECV_C_ +#include <linux/kmemleak.h> #include <osdep_service.h> #include <drv_types.h> #include <recv_osdep.h> @@ -72,6 +73,7 @@ int rtl8188eu_init_recv_priv(struct adapter *padapter) MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ, GFP_KERNEL); if (pskb) { + kmemleak_not_leak(pskb); pskb->dev = padapter->pnetdev; tmpaddr = (size_t)pskb->data; alignm = tmpaddr & (RECVBUFF_ALIGN_SZ-1); diff --git a/drivers/staging/rtl8188eu/include/Hal8188EPhyCfg.h b/drivers/staging/rtl8188eu/include/Hal8188EPhyCfg.h index 8990748a1919..0976a761b280 100644 --- a/drivers/staging/rtl8188eu/include/Hal8188EPhyCfg.h +++ b/drivers/staging/rtl8188eu/include/Hal8188EPhyCfg.h @@ -158,24 +158,6 @@ struct bb_reg_def { * Path A and B */ }; -struct ant_sel_ofdm { - u32 r_tx_antenna:4; - u32 r_ant_l:4; - u32 r_ant_non_ht:4; - u32 r_ant_ht1:4; - u32 r_ant_ht2:4; - u32 r_ant_ht_s1:4; - u32 r_ant_non_ht_s1:4; - u32 OFDM_TXSC:2; - u32 reserved:2; -}; - -struct ant_sel_cck { - u8 r_cckrx_enable_2:2; - u8 r_cckrx_enable:2; - u8 r_ccktx_enable:4; -}; - /*------------------------------Define structure----------------------------*/ diff --git a/drivers/staging/rtl8188eu/include/HalHWImg8188E_FW.h b/drivers/staging/rtl8188eu/include/HalHWImg8188E_FW.h deleted file mode 100644 index dbb55247b0c6..000000000000 --- a/drivers/staging/rtl8188eu/include/HalHWImg8188E_FW.h +++ /dev/null @@ -1,29 +0,0 @@ -/****************************************************************************** -* -* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. -* -* This program is free software; you can redistribute it and/or modify it -* under the terms of version 2 of the GNU General Public License as -* published by the Free Software Foundation. -* -* This program is distributed in the hope that it will be useful, but WITHOUT -* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for -* more details. -* -******************************************************************************/ - -#ifndef __INC_FW_8188E_HW_IMG_H -#define __INC_FW_8188E_HW_IMG_H - - -/****************************************************************************** -* FW_AP.TXT -******************************************************************************/ -/****************************************************************************** -* FW_WoWLAN.TXT -******************************************************************************/ -#define ArrayLength_8188E_FW_WoWLAN 15764 -extern const u8 Array_8188E_FW_WoWLAN[ArrayLength_8188E_FW_WoWLAN]; - -#endif diff --git a/drivers/staging/rtl8188eu/include/ieee80211.h b/drivers/staging/rtl8188eu/include/ieee80211.h index d8284c84f09c..37a6f9d1f529 100644 --- a/drivers/staging/rtl8188eu/include/ieee80211.h +++ b/drivers/staging/rtl8188eu/include/ieee80211.h @@ -239,7 +239,7 @@ struct ieee_param { u16 capability; int flags; u8 tx_supp_rates[16]; - struct rtw_ieee80211_ht_cap ht_cap; + struct ieee80211_ht_cap ht_cap; } add_sta; struct { u8 reserved[2];/* for set max_num_sta */ @@ -264,7 +264,7 @@ struct sta_data { u32 sta_set; u8 tx_supp_rates[16]; u32 tx_supp_rates_len; - struct rtw_ieee80211_ht_cap ht_cap; + struct ieee80211_ht_cap ht_cap; u64 rx_pkts; u64 rx_bytes; u64 rx_drops; @@ -291,14 +291,6 @@ struct sta_data { /* this is stolen from ipw2200 driver */ #define IEEE_IBSS_MAC_HASH_SIZE 31 -struct ieee_ibss_seq { - u8 mac[ETH_ALEN]; - u16 seq_num; - u16 frag_num; - unsigned long packet_time; - struct list_head list; -}; - struct rtw_ieee80211_hdr { __le16 frame_ctl; __le16 duration_id; @@ -318,17 +310,6 @@ struct rtw_ieee80211_hdr_3addr { u16 seq_ctl; } __packed; -struct rtw_ieee80211_hdr_qos { - __le16 frame_ctl; - __le16 duration_id; - u8 addr1[ETH_ALEN]; - u8 addr2[ETH_ALEN]; - u8 addr3[ETH_ALEN]; - u16 seq_ctl; - u8 addr4[ETH_ALEN]; - u16 qc; -} __packed; - struct rtw_ieee80211_hdr_3addr_qos { __le16 frame_ctl; __le16 duration_id; @@ -339,14 +320,6 @@ struct rtw_ieee80211_hdr_3addr_qos { u16 qc; } __packed; -struct eapol { - u8 snap[6]; - u16 ethertype; - u8 version; - u8 type; - u16 length; -} __packed; - enum eap_type { EAP_PACKET = 0, EAPOL_START, @@ -552,83 +525,12 @@ struct ieee80211_snap_hdr { #define IEEE80211_NUM_CCK_RATES 4 #define IEEE80211_OFDM_SHIFT_MASK_A 4 -/* NOTE: This data is for statistical purposes; not all hardware provides this - * information for frames received. Not setting these will not cause - * any adverse affects. */ -struct ieee80211_rx_stats { - /* u32 mac_time[2]; */ - s8 rssi; - u8 signal; - u8 noise; - u8 received_channel; - u16 rate; /* in 100 kbps */ - /* u8 control; */ - u8 mask; - u8 freq; - u16 len; -}; - /* IEEE 802.11 requires that STA supports concurrent reception of at least * three fragmented frames. This define can be increased to support more * concurrent frames, but it should be noted that each entry can consume about * 2 kB of RAM and increasing cache size will slow down frame reassembly. */ #define IEEE80211_FRAG_CACHE_LEN 4 -struct ieee80211_frag_entry { - u32 first_frag_time; - uint seq; - uint last_frag; - uint qos; /* jackson */ - uint tid; /* jackson */ - struct sk_buff *skb; - u8 src_addr[ETH_ALEN]; - u8 dst_addr[ETH_ALEN]; -}; - -struct ieee80211_stats { - uint tx_unicast_frames; - uint tx_multicast_frames; - uint tx_fragments; - uint tx_unicast_octets; - uint tx_multicast_octets; - uint tx_deferred_transmissions; - uint tx_single_retry_frames; - uint tx_multiple_retry_frames; - uint tx_retry_limit_exceeded; - uint tx_discards; - uint rx_unicast_frames; - uint rx_multicast_frames; - uint rx_fragments; - uint rx_unicast_octets; - uint rx_multicast_octets; - uint rx_fcs_errors; - uint rx_discards_no_buffer; - uint tx_discards_wrong_sa; - uint rx_discards_undecryptable; - uint rx_message_in_msg_fragments; - uint rx_message_in_bad_msg_fragments; -}; - -struct ieee80211_softmac_stats { - uint rx_ass_ok; - uint rx_ass_err; - uint rx_probe_rq; - uint tx_probe_rs; - uint tx_beacons; - uint rx_auth_rq; - uint rx_auth_rs_ok; - uint rx_auth_rs_err; - uint tx_auth_rq; - uint no_auth_rs; - uint no_ass_rs; - uint tx_ass_rq; - uint rx_ass_rq; - uint tx_probe_rq; - uint reassoc; - uint swtxstop; - uint swtxawake; -}; - #define SEC_KEY_1 (1<<0) #define SEC_KEY_2 (1<<1) #define SEC_KEY_3 (1<<2) @@ -648,42 +550,6 @@ struct ieee80211_softmac_stats { #define WEP_KEYS 4 #define WEP_KEY_LEN 13 -struct ieee80211_security { - u16 active_key:2, - enabled:1, - auth_mode:2, - auth_algo:4, - unicast_uses_group:1; - u8 key_sizes[WEP_KEYS]; - u8 keys[WEP_KEYS][WEP_KEY_LEN]; - u8 level; - u16 flags; -} __packed; - -/* - - 802.11 data frame from AP - - ,-------------------------------------------------------------------. -Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 | - |------|------|---------|---------|---------|------|---------|------| -Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs | - | | tion | (BSSID) | | | ence | data | | - `-------------------------------------------------------------------' - -Total: 28-2340 bytes - -*/ - -struct ieee80211_header_data { - u16 frame_ctl; - u16 duration_id; - u8 addr1[6]; - u8 addr2[6]; - u8 addr3[6]; - u16 seq_ctrl; -}; - #define BEACON_PROBE_SSID_ID_POSITION 12 /* Management Frame Information Element Types */ @@ -700,71 +566,9 @@ struct ieee80211_header_data { #define MFIE_TYPE_RATES_EX 50 #define MFIE_TYPE_GENERIC 221 -struct ieee80211_info_element_hdr { - u8 id; - u8 len; -} __packed; - -struct ieee80211_info_element { - u8 id; - u8 len; - u8 data[0]; -} __packed; - -/* - * These are the data types that can make up management packets - * - u16 auth_algorithm; - u16 auth_sequence; - u16 beacon_interval; - u16 capability; - u8 current_ap[ETH_ALEN]; - u16 listen_interval; - struct { - u16 association_id:14, reserved:2; - } __packed; - u32 time_stamp[2]; - u16 reason; - u16 status; -*/ - #define IEEE80211_DEFAULT_TX_ESSID "Penguin" #define IEEE80211_DEFAULT_BASIC_RATE 10 -struct ieee80211_authentication { - struct ieee80211_header_data header; - u16 algorithm; - u16 transaction; - u16 status; - /* struct ieee80211_info_element_hdr info_element; */ -} __packed; - -struct ieee80211_probe_response { - struct ieee80211_header_data header; - u32 time_stamp[2]; - u16 beacon_interval; - u16 capability; - struct ieee80211_info_element info_element; -} __packed; - -struct ieee80211_probe_request { - struct ieee80211_header_data header; -} __packed; - -struct ieee80211_assoc_request_frame { - struct rtw_ieee80211_hdr_3addr header; - u16 capability; - u16 listen_interval; - struct ieee80211_info_element_hdr info_element; -} __packed; - -struct ieee80211_assoc_response_frame { - struct rtw_ieee80211_hdr_3addr header; - u16 capability; - u16 status; - u16 aid; -} __packed; - struct ieee80211_txb { u8 nr_frags; u8 encrypted; @@ -1096,20 +900,8 @@ enum secondary_ch_offset { SCA = 1, /* secondary channel above */ SCB = 3, /* secondary channel below */ }; -u8 secondary_ch_offset_to_hal_ch_offset(u8 ch_offset); -u8 hal_ch_offset_to_secondary_ch_offset(u8 ch_offset); -u8 *rtw_set_ie_ch_switch(u8 *buf, u32 *buf_len, u8 ch_switch_mode, - u8 new_ch, u8 ch_switch_cnt); -u8 *rtw_set_ie_secondary_ch_offset(u8 *buf, u32 *buf_len, - u8 secondary_ch_offset); -u8 *rtw_set_ie_mesh_ch_switch_parm(u8 *buf, u32 *buf_len, u8 ttl, - u8 flags, u16 reason, u16 precedence); u8 *rtw_get_ie(u8 *pbuf, int index, int *len, int limit); -u8 *rtw_get_ie_ex(u8 *in_ie, uint in_len, u8 eid, u8 *oui, - u8 oui_len, u8 *ie, uint *ielen); -int rtw_ies_remove_ie(u8 *ies, uint *ies_len, uint offset, - u8 eid, u8 *oui, u8 oui_len); void rtw_set_supported_rate(u8 *SupportedRates, uint mode); @@ -1133,19 +925,6 @@ u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_content, uint *len_content); -/** - * for_each_ie - iterate over continuous IEs - * @ie: - * @buf: - * @buf_len: - */ -#define for_each_ie(ie, buf, buf_len) \ - for (ie = (void *)buf; (((u8 *)ie) - ((u8 *)buf) + 1) < buf_len; \ - ie = (void *)(((u8 *)ie) + *(((u8 *)ie)+1) + 2)) - -void dump_ies(u8 *buf, u32 buf_len); -void dump_wps_ie(u8 *ie, u32 ie_len); - uint rtw_get_rateset_len(u8 *rateset); struct registry_priv; @@ -1167,8 +946,4 @@ void rtw_macaddr_cfg(u8 *mac_addr); u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40, unsigned char *MCS_rate); -int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category, - u8 *action); -const char *action_public_str(u8 action); - #endif /* IEEE80211_H */ diff --git a/drivers/staging/rtl8188eu/include/odm.h b/drivers/staging/rtl8188eu/include/odm.h index dbebf17f36d3..21fb4225e42d 100644 --- a/drivers/staging/rtl8188eu/include/odm.h +++ b/drivers/staging/rtl8188eu/include/odm.h @@ -315,22 +315,6 @@ enum odm_ability { ODM_PSD2AFH = 0x00000800 }; -/* 2011/20/20 MH For MP driver RT_WLAN_STA = struct sta_info */ -/* Please declare below ODM relative info in your STA info structure. */ - -struct odm_sta_info { - /* Driver Write */ - bool bUsed; /* record the sta status link or not? */ - u8 IOTPeer; /* Enum value. HT_IOT_PEER_E */ - - /* ODM Write */ - /* 1 PHY_STATUS_INFO */ - u8 RSSI_Path[4]; /* */ - u8 RSSI_Ave; - u8 RXEVM[4]; - u8 RXSNR[4]; -}; - /* 2011/10/20 MH Define Common info enum for all team. */ enum odm_common_info_def { diff --git a/drivers/staging/rtl8188eu/include/osdep_service.h b/drivers/staging/rtl8188eu/include/osdep_service.h index 5475956c5ee5..6f6a8f8c3b23 100644 --- a/drivers/staging/rtl8188eu/include/osdep_service.h +++ b/drivers/staging/rtl8188eu/include/osdep_service.h @@ -35,7 +35,7 @@ #include <asm/byteorder.h> #include <linux/atomic.h> #include <linux/io.h> -#include <linux/semaphore.h> +#include <linux/mutex.h> #include <linux/sem.h> #include <linux/sched.h> #include <linux/etherdevice.h> @@ -78,8 +78,6 @@ u8 *_rtw_malloc(u32 sz); void *rtw_malloc2d(int h, int w, int size); -u32 _rtw_down_sema(struct semaphore *sema); - void _rtw_init_queue(struct __queue *pqueue); struct rtw_netdev_priv_indicator { diff --git a/drivers/staging/rtl8188eu/include/rtl8188e_cmd.h b/drivers/staging/rtl8188eu/include/rtl8188e_cmd.h index 4d7d804658c2..820c04529e52 100644 --- a/drivers/staging/rtl8188eu/include/rtl8188e_cmd.h +++ b/drivers/staging/rtl8188eu/include/rtl8188e_cmd.h @@ -49,12 +49,6 @@ enum RTL8188E_H2C_CMD_ID { H2C_RESET_TSF = 0xc0, }; -struct cmd_msg_parm { - u8 eid; /* element id */ - u8 sz; /* sz */ - u8 buf[6]; -}; - enum { PWRS }; @@ -67,15 +61,6 @@ struct setpwrmode_parm { u8 PwrState;/* AllON(0x0c),RFON(0x04),RFOFF(0x00) */ }; -struct H2C_SS_RFOFF_PARAM { - u8 ROFOn; /* 1: on, 0:off */ - u16 gpio_period; /* unit: 1024 us */ -} __packed; - -struct joinbssrpt_parm { - u8 OpMode; /* RT_MEDIA_STATUS */ -}; - struct rsvdpage_loc { u8 LocProbeRsp; u8 LocPsPoll; @@ -84,21 +69,6 @@ struct rsvdpage_loc { u8 LocBTQosNull; }; -struct P2P_PS_Offload_t { - u8 Offload_En:1; - u8 role:1; /* 1: Owner, 0: Client */ - u8 CTWindow_En:1; - u8 NoA0_En:1; - u8 NoA1_En:1; - u8 AllStaSleep:1; /* Only valid in Owner */ - u8 discovery:1; - u8 rsvd:1; -}; - -struct P2P_PS_CTWPeriod_t { - u8 CTWPeriod; /* TU */ -}; - /* host message to firmware cmd */ void rtl8188e_set_FwPwrMode_cmd(struct adapter *padapter, u8 Mode); void rtl8188e_set_FwJoinBssReport_cmd(struct adapter *padapter, u8 mstatus); diff --git a/drivers/staging/rtl8188eu/include/rtw_ap.h b/drivers/staging/rtl8188eu/include/rtw_ap.h index b820684bc3fe..e8dd6d4407aa 100644 --- a/drivers/staging/rtl8188eu/include/rtw_ap.h +++ b/drivers/staging/rtl8188eu/include/rtw_ap.h @@ -50,7 +50,6 @@ void ap_sta_info_defer_update(struct adapter *padapter, struct sta_info *psta); u8 ap_free_sta(struct adapter *padapter, struct sta_info *psta, bool active, u16 reason); int rtw_sta_flush(struct adapter *padapter); -int rtw_ap_inform_ch_switch(struct adapter *padapter, u8 new_ch, u8 ch_offset); void start_ap_mode(struct adapter *padapter); void stop_ap_mode(struct adapter *padapter); #endif /* end of CONFIG_88EU_AP_MODE */ diff --git a/drivers/staging/rtl8188eu/include/rtw_cmd.h b/drivers/staging/rtl8188eu/include/rtw_cmd.h index 08ca59217cb7..e8e75f34d9b8 100644 --- a/drivers/staging/rtl8188eu/include/rtw_cmd.h +++ b/drivers/staging/rtl8188eu/include/rtw_cmd.h @@ -39,8 +39,8 @@ struct cmd_obj { }; struct cmd_priv { - struct semaphore cmd_queue_sema; - struct semaphore terminate_cmdthread_sema; + struct completion cmd_queue_comp; + struct completion terminate_cmdthread_comp; struct __queue cmd_queue; u8 cmdthd_running; struct adapter *padapter; @@ -210,34 +210,6 @@ struct set_assocsta_rsp { }; /* - Caller Ad-Hoc/AP - - Command mode - - This is to force fw to del an sta_data entry per driver's request - - FW will invalidate the cam entry associated with it. - -*/ -struct del_assocsta_parm { - u8 addr[ETH_ALEN]; -}; - -/* -Caller Mode: AP/Ad-HoC(M) - -Notes: To notify fw that given staid has changed its power state - -Command Mode - -*/ -struct setstapwrstate_parm { - u8 staid; - u8 status; - u8 hwaddr[6]; -}; - -/* Notes: This command is used for H2C/C2H loopback testing mac[0] == 0 diff --git a/drivers/staging/rtl8188eu/include/rtw_efuse.h b/drivers/staging/rtl8188eu/include/rtw_efuse.h index 9bfb10c302b5..168c12d3c0b4 100644 --- a/drivers/staging/rtl8188eu/include/rtw_efuse.h +++ b/drivers/staging/rtl8188eu/include/rtw_efuse.h @@ -34,16 +34,6 @@ #define EFUSE_WIFI 0 #define EFUSE_BT 1 -enum _EFUSE_DEF_TYPE { - TYPE_EFUSE_MAX_SECTION = 0, - TYPE_EFUSE_REAL_CONTENT_LEN = 1, - TYPE_AVAILABLE_EFUSE_BYTES_BANK = 2, - TYPE_AVAILABLE_EFUSE_BYTES_TOTAL = 3, - TYPE_EFUSE_MAP_LEN = 4, - TYPE_EFUSE_PROTECT_BYTES_BANK = 5, - TYPE_EFUSE_CONTENT_LEN_BANK = 6, -}; - /* E-Fuse */ #define EFUSE_MAP_SIZE 512 #define EFUSE_MAX_SIZE 256 @@ -95,8 +85,6 @@ struct efuse_hal { }; u8 Efuse_CalculateWordCnts(u8 word_en); -void EFUSE_GetEfuseDefinition(struct adapter *adapt, u8 type, u8 type1, - void *out); u8 efuse_OneByteRead(struct adapter *adapter, u16 addr, u8 *data); u8 efuse_OneByteWrite(struct adapter *adapter, u16 addr, u8 data); diff --git a/drivers/staging/rtl8188eu/include/rtw_event.h b/drivers/staging/rtl8188eu/include/rtw_event.h index 5c34e567d341..df689483644b 100644 --- a/drivers/staging/rtl8188eu/include/rtw_event.h +++ b/drivers/staging/rtl8188eu/include/rtw_event.h @@ -18,7 +18,7 @@ #include <osdep_service.h> #include <wlan_bssdef.h> -#include <linux/semaphore.h> +#include <linux/mutex.h> #include <linux/sem.h> /* @@ -71,10 +71,6 @@ struct stadel_event { int mac_id; }; -struct addba_event { - unsigned int tid; -}; - #define GEN_EVT_CODE(event) event ## _EVT_ struct fwevent { @@ -84,21 +80,6 @@ struct fwevent { #define C2HEVENT_SZ 32 -struct event_node { - unsigned char *node; - unsigned char evt_code; - unsigned short evt_sz; - int *caller_ff_tail; - int caller_ff_sz; -}; - -struct c2hevent_queue { - int head; - int tail; - struct event_node nodes[C2HEVENT_SZ]; - unsigned char seq; -}; - #define NETWORK_QUEUE_SZ 4 struct network_queue { diff --git a/drivers/staging/rtl8188eu/include/rtw_ht.h b/drivers/staging/rtl8188eu/include/rtw_ht.h index b45483fd069f..d842eade7f57 100644 --- a/drivers/staging/rtl8188eu/include/rtw_ht.h +++ b/drivers/staging/rtl8188eu/include/rtw_ht.h @@ -15,16 +15,11 @@ #ifndef _RTW_HT_H_ #define _RTW_HT_H_ -#include <osdep_service.h> -#include "wifi.h" +#include <linux/ieee80211.h> struct ht_priv { u32 ht_option; u32 ampdu_enable;/* for enable Tx A-MPDU */ - u32 tx_amsdu_enable;/* for enable Tx A-MSDU */ - u32 tx_amdsu_maxlen; /* 1: 8k, 0:4k ; default:8k, for tx */ - u32 rx_ampdu_maxlen; /* for rx reordering ctrl win_sz, - * updated when join_callback. */ u8 bwmode;/* */ u8 ch_offset;/* PRIME_CHNL_OFFSET */ u8 sgi;/* short GI */ @@ -33,7 +28,7 @@ struct ht_priv { u8 agg_enable_bitmap; u8 candidate_tid_bitmap; - struct rtw_ieee80211_ht_cap ht_cap; + struct ieee80211_ht_cap ht_cap; }; #endif /* _RTL871X_HT_H_ */ diff --git a/drivers/staging/rtl8188eu/include/rtw_ioctl.h b/drivers/staging/rtl8188eu/include/rtw_ioctl.h index 3a652df4b26c..a6b1c854a061 100644 --- a/drivers/staging/rtl8188eu/include/rtw_ioctl.h +++ b/drivers/staging/rtl8188eu/include/rtw_ioctl.h @@ -69,15 +69,6 @@ enum oid_type { SET_OID }; -struct oid_funs_node { - unsigned int oid_start; /* the starting number for OID */ - unsigned int oid_end; /* the ending number for OID */ - struct oid_obj_priv *node_array; - unsigned int array_sz; /* the size of node_array */ - int query_counter; /* count the number of query hits for this segment */ - int set_counter; /* count the number of set hits for this segment */ -}; - struct oid_par_priv { void *adapter_context; NDIS_OID oid; @@ -89,12 +80,6 @@ struct oid_par_priv { u32 dbg; }; -struct oid_obj_priv { - unsigned char dbg; /* 0: without OID debug message - * 1: with OID debug message */ - int (*oidfuns)(struct oid_par_priv *poid_par_priv); -}; - #if defined(_RTW_MP_IOCTL_C_) static int oid_null_function(struct oid_par_priv *poid_par_priv) { return NDIS_STATUS_SUCCESS; diff --git a/drivers/staging/rtl8188eu/include/rtw_mlme_ext.h b/drivers/staging/rtl8188eu/include/rtw_mlme_ext.h index 27382ff24a84..5ee63661b26f 100644 --- a/drivers/staging/rtl8188eu/include/rtw_mlme_ext.h +++ b/drivers/staging/rtl8188eu/include/rtw_mlme_ext.h @@ -349,7 +349,7 @@ struct mlme_ext_info { struct ADDBA_request ADDBA_req; struct WMM_para_element WMM_param; - struct HT_caps_element HT_caps; + struct ieee80211_ht_cap HT_caps; struct HT_info_element HT_info; struct wlan_bssid_ex network;/* join network or bss_network, * if in ap mode, it is the same @@ -529,12 +529,12 @@ int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, void update_sta_info(struct adapter *padapter, struct sta_info *psta); unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz); unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz); -unsigned int update_MSC_rate(struct HT_caps_element *pHT_caps); +unsigned int update_MSC_rate(struct ieee80211_ht_cap *pHT_caps); void Update_RA_Entry(struct adapter *padapter, u32 mac_id); void set_sta_rate(struct adapter *padapter, struct sta_info *psta); unsigned char get_highest_rate_idx(u32 mask); -int support_short_GI(struct adapter *padapter, struct HT_caps_element *caps); +int support_short_GI(struct adapter *padapter, struct ieee80211_ht_cap *caps); unsigned int is_ap_in_tkip(struct adapter *padapter); unsigned int is_ap_in_wep(struct adapter *padapter); unsigned int should_forbid_n_rate(struct adapter *padapter); @@ -562,8 +562,6 @@ int issue_qos_nulldata(struct adapter *padapter, unsigned char *da, u16 tid, int try_cnt, int wait_ms); int issue_deauth(struct adapter *padapter, unsigned char *da, unsigned short reason); -void issue_action_spct_ch_switch(struct adapter *padapter, u8 *ra, u8 new_ch, - u8 ch_offset); unsigned int send_delba(struct adapter *padapter, u8 initiator, u8 *addr); unsigned int send_beacon(struct adapter *padapter); diff --git a/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h b/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h index 9680e2eab62f..18a9e744fcbe 100644 --- a/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h +++ b/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h @@ -92,21 +92,6 @@ struct reportpwrstate_parm { unsigned short rsvd; }; -static inline void _init_pwrlock(struct semaphore *plock) -{ - sema_init(plock, 1); -} - -static inline void _enter_pwrlock(struct semaphore *plock) -{ - _rtw_down_sema(plock); -} - -static inline void _exit_pwrlock(struct semaphore *plock) -{ - up(plock); -} - #define LPS_DELAY_TIME 1*HZ /* 1 sec */ #define EXE_PWR_NONE 0x01 @@ -157,7 +142,7 @@ enum { /* for ips_mode */ }; struct pwrctrl_priv { - struct semaphore lock; + struct mutex mutex_lock; volatile u8 rpwm; /* requested power state for fw */ volatile u8 cpwm; /* fw current power state. updated when * 1. read from HCPWM 2. driver lowers power level */ diff --git a/drivers/staging/rtl8188eu/include/rtw_recv.h b/drivers/staging/rtl8188eu/include/rtw_recv.h index b0373b6216d6..758cd1627495 100644 --- a/drivers/staging/rtl8188eu/include/rtw_recv.h +++ b/drivers/staging/rtl8188eu/include/rtw_recv.h @@ -65,13 +65,6 @@ struct stainfo_rxcache { */ }; -struct smooth_rssi_data { - u32 elements[100]; /* array to store values */ - u32 index; /* index to current array to store */ - u32 total_num; /* num of valid elements */ - u32 total_val; /* sum of valid elements */ -}; - struct signal_stat { u8 update_req; /* used to indicate */ u8 avg_val; /* avg of valid elements */ diff --git a/drivers/staging/rtl8188eu/include/rtw_security.h b/drivers/staging/rtl8188eu/include/rtw_security.h index ca1247bce6e3..2663e60bb6c6 100644 --- a/drivers/staging/rtl8188eu/include/rtw_security.h +++ b/drivers/staging/rtl8188eu/include/rtw_security.h @@ -164,12 +164,6 @@ struct security_priv { u8 bWepDefaultKeyIdxSet; }; -struct sha256_state { - u64 length; - u32 state[8], curlen; - u8 buf[64]; -}; - #define GET_ENCRY_ALGO(psecuritypriv, psta, encry_algo, bmcst) \ do { \ switch (psecuritypriv->dot11AuthAlgrthm) { \ diff --git a/drivers/staging/rtl8188eu/include/rtw_xmit.h b/drivers/staging/rtl8188eu/include/rtw_xmit.h index a0853bab3edb..cb49aca0adce 100644 --- a/drivers/staging/rtl8188eu/include/rtw_xmit.h +++ b/drivers/staging/rtl8188eu/include/rtw_xmit.h @@ -256,15 +256,8 @@ struct hw_txqueue { int ac_tag; }; -struct agg_pkt_info { - u16 offset; - u16 pkt_len; -}; - struct xmit_priv { spinlock_t lock; - struct semaphore xmit_sema; - struct semaphore terminate_xmitthread_sema; struct __queue be_pending; struct __queue bk_pending; struct __queue vi_pending; @@ -289,7 +282,6 @@ struct xmit_priv { u8 wmm_para_seq[4];/* sequence for wmm ac parameter strength * from large to small. it's value is 0->vo, * 1->vi, 2->be, 3->bk. */ - struct semaphore tx_retevt;/* all tx return event; */ u8 txirp_cnt;/* */ struct tasklet_struct xmit_tasklet; /* per AC pending irp */ diff --git a/drivers/staging/rtl8188eu/include/wifi.h b/drivers/staging/rtl8188eu/include/wifi.h index e7c512183619..9e08e6842eca 100644 --- a/drivers/staging/rtl8188eu/include/wifi.h +++ b/drivers/staging/rtl8188eu/include/wifi.h @@ -508,22 +508,6 @@ struct rtw_ieee80211_bar { #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 - /** - * struct rtw_ieee80211_ht_cap - HT capabilities - * - * This structure refers to "HT capabilities element" as - * described in 802.11n draft section 7.3.2.52 - */ - -struct rtw_ieee80211_ht_cap { - unsigned short cap_info; - unsigned char ampdu_params_info; - unsigned char supp_mcs_set[16]; - unsigned short extended_ht_cap_info; - unsigned int tx_BF_cap_info; - unsigned char antenna_selection_info; -} __packed; - /** * struct rtw_ieee80211_ht_cap - HT additional information * @@ -538,20 +522,6 @@ struct ieee80211_ht_addt_info { unsigned char basic_set[16]; } __packed; -struct HT_caps_element { - union { - struct { - __le16 HT_caps_info; - unsigned char AMPDU_para; - unsigned char MCS_rate[16]; - unsigned short HT_ext_caps; - unsigned int Beamforming_caps; - unsigned char ASEL_caps; - } HT_cap_element; - unsigned char HT_cap[26]; - } u; -} __packed; - struct HT_info_element { unsigned char primary_channel; unsigned char infos[5]; diff --git a/drivers/staging/rtl8188eu/include/wlan_bssdef.h b/drivers/staging/rtl8188eu/include/wlan_bssdef.h index 560966cd7dfe..e1931dd04da0 100644 --- a/drivers/staging/rtl8188eu/include/wlan_bssdef.h +++ b/drivers/staging/rtl8188eu/include/wlan_bssdef.h @@ -123,40 +123,10 @@ enum ndis_802_11_wep_status { #define NDIS_802_11_AI_RESFI_STATUSCODE 2 #define NDIS_802_11_AI_RESFI_ASSOCIATIONID 4 -struct ndis_802_11_ai_reqfi { - u16 Capabilities; - u16 ListenInterval; - unsigned char CurrentAPAddress[ETH_ALEN]; -}; - -struct ndis_802_11_ai_resfi { - u16 Capabilities; - u16 StatusCode; - u16 AssociationId; -}; - -struct ndis_802_11_assoc_info { - u32 Length; - u16 AvailableRequestFixedIEs; - struct ndis_802_11_ai_reqfi RequestFixedIEs; - u32 RequestIELength; - u32 OffsetRequestIEs; - u16 AvailableResponseFixedIEs; - struct ndis_802_11_ai_resfi ResponseFixedIEs; - u32 ResponseIELength; - u32 OffsetResponseIEs; -}; - enum ndis_802_11_reload_def { Ndis802_11ReloadWEPKeys }; -struct ndis_802_11_remove_key { - u32 Length; /* Length */ - u32 KeyIndex; - unsigned char BSSID[ETH_ALEN]; -}; - struct ndis_802_11_wep { u32 Length; /* Length of this structure */ u32 KeyIndex; /* 0 is the per-client key, @@ -165,12 +135,6 @@ struct ndis_802_11_wep { u8 KeyMaterial[16];/* variable len depending on above field */ }; -struct ndis_802_11_auth_req { - u32 Length; /* Length of structure */ - unsigned char Bssid[ETH_ALEN]; - u32 Flags; -}; - enum ndis_802_11_status_type { Ndis802_11StatusType_Authentication, Ndis802_11StatusType_MediaStreamMode, @@ -179,10 +143,6 @@ enum ndis_802_11_status_type { * an upper bound */ }; -struct ndis_802_11_status_ind { - enum ndis_802_11_status_type StatusType; -}; - /* mask for authentication/integrity fields */ #define NDIS_802_11_AUTH_REQUEST_AUTH_FIELDS 0x0f #define NDIS_802_11_AUTH_REQUEST_REAUTH 0x01 @@ -193,21 +153,6 @@ struct ndis_802_11_status_ind { /* MIC check time, 60 seconds. */ #define MIC_CHECK_TIME 60000000 -struct ndis_802_11_auth_evt { - struct ndis_802_11_status_ind Status; - struct ndis_802_11_auth_req Request[1]; -}; - -struct ndis_802_11_test { - u32 Length; - u32 Type; - union { - struct ndis_802_11_auth_evt AuthenticationEvent; - NDIS_802_11_RSSI RssiTrigger; - } tt; -}; - - #ifndef Ndis802_11APMode #define Ndis802_11APMode (Ndis802_11InfrastructureMax+1) #endif @@ -297,32 +242,4 @@ enum UAPSD_MAX_SP { #define NUM_PRE_AUTH_KEY 16 #define NUM_PMKID_CACHE NUM_PRE_AUTH_KEY -/* -* WPA2 -*/ - -struct pmkid_candidate { - unsigned char BSSID[ETH_ALEN]; - u32 Flags; -}; - -struct ndis_802_11_pmkid_list { - u32 Version; /* Version of the structure */ - u32 NumCandidates; /* No. of pmkid candidates */ - struct pmkid_candidate CandidateList[1]; -}; - -struct ndis_802_11_auth_encrypt { - enum ndis_802_11_auth_mode AuthModeSupported; - enum ndis_802_11_wep_status EncryptStatusSupported; -}; - -struct ndis_802_11_cap { - u32 Length; - u32 Version; - u32 NoOfPMKIDs; - u32 NoOfAuthEncryptPairsSupported; - struct ndis_802_11_auth_encrypt AuthenticationEncryptionSupported[1]; -}; - #endif /* ifndef WLAN_BSSDEF_H_ */ diff --git a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c index 5672f014cc46..44d3ed6f162d 100644 --- a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c +++ b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c @@ -132,12 +132,15 @@ static char *translate_scan(struct adapter *padapter, p = rtw_get_ie(&pnetwork->network.IEs[12], _HT_CAPABILITY_IE_, &ht_ielen, pnetwork->network.IELength-12); if (p && ht_ielen > 0) { - struct rtw_ieee80211_ht_cap *pht_capie; + struct ieee80211_ht_cap *pht_capie; ht_cap = true; - pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2); - memcpy(&mcs_rate, pht_capie->supp_mcs_set, 2); - bw_40MHz = (pht_capie->cap_info&IEEE80211_HT_CAP_SUP_WIDTH) ? 1 : 0; - short_GI = (pht_capie->cap_info&(IEEE80211_HT_CAP_SGI_20|IEEE80211_HT_CAP_SGI_40)) ? 1 : 0; + pht_capie = (struct ieee80211_ht_cap *)(p + 2); + memcpy(&mcs_rate, pht_capie->mcs.rx_mask, 2); + bw_40MHz = !!(le16_to_cpu(pht_capie->cap_info) & + IEEE80211_HT_CAP_SUP_WIDTH); + short_GI = !!(le16_to_cpu(pht_capie->cap_info) & + (IEEE80211_HT_CAP_SGI_20 | + IEEE80211_HT_CAP_SGI_40)); } /* Add the protocol name */ @@ -2528,7 +2531,8 @@ static int rtw_add_sta(struct net_device *dev, struct ieee_param *param) if (WLAN_STA_HT&flags) { psta->htpriv.ht_option = true; psta->qos_option = 1; - memcpy((void *)&psta->htpriv.ht_cap, (void *)¶m->u.add_sta.ht_cap, sizeof(struct rtw_ieee80211_ht_cap)); + memcpy(&psta->htpriv.ht_cap, ¶m->u.add_sta.ht_cap, + sizeof(struct ieee80211_ht_cap)); } else { psta->htpriv.ht_option = false; } @@ -2624,7 +2628,8 @@ static int rtw_ioctl_get_sta_data(struct net_device *dev, struct ieee_param *par (psta->ht_20mhz_set << 5)); psta_data->tx_supp_rates_len = psta->bssratelen; memcpy(psta_data->tx_supp_rates, psta->bssrateset, psta->bssratelen); - memcpy(&psta_data->ht_cap, &psta->htpriv.ht_cap, sizeof(struct rtw_ieee80211_ht_cap)); + memcpy(&psta_data->ht_cap, + &psta->htpriv.ht_cap, sizeof(struct ieee80211_ht_cap)); psta_data->rx_pkts = psta->sta_stats.rx_data_pkts; psta_data->rx_bytes = psta->sta_stats.rx_bytes; psta_data->rx_drops = psta->sta_stats.rx_drops; diff --git a/drivers/staging/rtl8188eu/os_dep/os_intfs.c b/drivers/staging/rtl8188eu/os_dep/os_intfs.c index ae2caff030f1..c494845814cd 100644 --- a/drivers/staging/rtl8188eu/os_dep/os_intfs.c +++ b/drivers/staging/rtl8188eu/os_dep/os_intfs.c @@ -762,7 +762,7 @@ static int rtw_start_drv_threads(struct adapter *padapter) err = PTR_ERR(padapter->cmdThread); else /* wait for cmd_thread to run */ - _rtw_down_sema(&padapter->cmdpriv.terminate_cmdthread_sema); + wait_for_completion_interruptible(&padapter->cmdpriv.terminate_cmdthread_comp); return err; } @@ -772,9 +772,9 @@ void rtw_stop_drv_threads(struct adapter *padapter) RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_stop_drv_threads\n")); /* Below is to terminate rtw_cmd_thread & event_thread... */ - up(&padapter->cmdpriv.cmd_queue_sema); + complete(&padapter->cmdpriv.cmd_queue_comp); if (padapter->cmdThread) - _rtw_down_sema(&padapter->cmdpriv.terminate_cmdthread_sema); + wait_for_completion_interruptible(&padapter->cmdpriv.terminate_cmdthread_comp); } diff --git a/drivers/staging/rtl8188eu/os_dep/osdep_service.c b/drivers/staging/rtl8188eu/os_dep/osdep_service.c index 764250b4ba86..24d177489c8f 100644 --- a/drivers/staging/rtl8188eu/os_dep/osdep_service.c +++ b/drivers/staging/rtl8188eu/os_dep/osdep_service.c @@ -55,13 +55,6 @@ void *rtw_malloc2d(int h, int w, int size) return a; } -u32 _rtw_down_sema(struct semaphore *sema) -{ - if (down_interruptible(sema)) - return _FAIL; - return _SUCCESS; -} - void _rtw_init_queue(struct __queue *pqueue) { INIT_LIST_HEAD(&(pqueue->queue)); diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c index 11d51a30170f..7da3534f15f7 100644 --- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c +++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c @@ -238,7 +238,7 @@ static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message) rtw_cancel_all_timer(padapter); LeaveAllPowerSaveMode(padapter); - _enter_pwrlock(&pwrpriv->lock); + mutex_lock(&pwrpriv->mutex_lock); /* s1. */ if (pnetdev) { netif_carrier_off(pnetdev); @@ -267,7 +267,7 @@ static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message) rtw_free_network_queue(padapter, true); rtw_dev_unload(padapter); - _exit_pwrlock(&pwrpriv->lock); + mutex_unlock(&pwrpriv->mutex_lock); if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) rtw_indicate_scan_done(padapter, 1); @@ -298,7 +298,7 @@ static int rtw_resume_process(struct adapter *padapter) goto exit; } - _enter_pwrlock(&pwrpriv->lock); + mutex_lock(&pwrpriv->mutex_lock); rtw_reset_drv_sw(padapter); pwrpriv->bkeepfwalive = false; @@ -309,14 +309,16 @@ static int rtw_resume_process(struct adapter *padapter) netif_device_attach(pnetdev); netif_carrier_on(pnetdev); - _exit_pwrlock(&pwrpriv->lock); + mutex_unlock(&pwrpriv->mutex_lock); rtw_roaming(padapter, NULL); ret = 0; exit: - if (pwrpriv) + if (pwrpriv) { pwrpriv->bInSuspend = false; + mutex_unlock(&pwrpriv->mutex_lock); + } pr_debug("<=== %s return %d.............. in %dms\n", __func__, ret, jiffies_to_msecs(jiffies - start_time)); diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c index ba64a4f1b3a8..8d6bca61e7aa 100644 --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c @@ -1487,8 +1487,8 @@ static void _rtl92e_query_rxphystatus( struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc; u8 *prxpkt; u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg; - char rx_pwr[4], rx_pwr_all = 0; - char rx_snrX, rx_evmX; + s8 rx_pwr[4], rx_pwr_all = 0; + s8 rx_snrX, rx_evmX; u8 evm, pwdb_all; u32 RSSI, total_rssi = 0; u8 is_cck_rate = 0; @@ -1613,7 +1613,7 @@ static void _rtl92e_query_rxphystatus( 2) - 110; tmp_rxsnr = pofdm_buf->rxsnr_X[i]; - rx_snrX = (char)(tmp_rxsnr); + rx_snrX = (s8)(tmp_rxsnr); rx_snrX /= 2; priv->stats.rxSNRdB[i] = (long)rx_snrX; @@ -1643,7 +1643,7 @@ static void _rtl92e_query_rxphystatus( for (i = 0; i < max_spatial_stream; i++) { tmp_rxevm = pofdm_buf->rxevm_X[i]; - rx_evmX = (char)(tmp_rxevm); + rx_evmX = (s8)(tmp_rxevm); rx_evmX /= 2; diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c index 5e3bbe5c3ca4..dde492261451 100644 --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c @@ -256,7 +256,7 @@ u32 rtl92e_get_rf_reg(struct net_device *dev, enum rf90_radio_path eRFPath, return 0; if (priv->rtllib->eRFPowerState != eRfOn && !priv->being_init_adapter) return 0; - down(&priv->rf_sem); + mutex_lock(&priv->rf_mutex); if (priv->Rf_Mode == RF_OP_By_FW) { Original_Value = _rtl92e_phy_rf_fw_read(dev, eRFPath, RegAddr); udelay(200); @@ -265,7 +265,7 @@ u32 rtl92e_get_rf_reg(struct net_device *dev, enum rf90_radio_path eRFPath, } BitShift = _rtl92e_calculate_bit_shift(BitMask); Readback_Value = (Original_Value & BitMask) >> BitShift; - up(&priv->rf_sem); + mutex_unlock(&priv->rf_mutex); return Readback_Value; } @@ -630,7 +630,7 @@ void rtl92e_set_tx_power(struct net_device *dev, u8 channel) { struct r8192_priv *priv = rtllib_priv(dev); u8 powerlevel = 0, powerlevelOFDM24G = 0; - char ant_pwr_diff; + s8 ant_pwr_diff; u32 u4RegValue; if (priv->epromtype == EEPROM_93C46) { diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c b/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c index 803c8b02a0c8..30f65af4d614 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c @@ -107,9 +107,9 @@ void rtl92e_set_key(struct net_device *dev, u8 EntryNo, u8 KeyIndex, __func__); return; } - down(&priv->rtllib->ips_sem); + mutex_lock(&priv->rtllib->ips_mutex); rtl92e_ips_leave(dev); - up(&priv->rtllib->ips_sem); + mutex_unlock(&priv->rtllib->ips_mutex); } } priv->rtllib->is_set_key = true; diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c index 13a5ddc2bea5..e01fff0b0f3c 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c @@ -993,8 +993,8 @@ static void _rtl92e_init_priv_lock(struct r8192_priv *priv) spin_lock_init(&priv->irq_th_lock); spin_lock_init(&priv->rf_ps_lock); spin_lock_init(&priv->ps_lock); - sema_init(&priv->wx_sem, 1); - sema_init(&priv->rf_sem, 1); + mutex_init(&priv->wx_mutex); + mutex_init(&priv->rf_mutex); mutex_init(&priv->mutex); } @@ -1247,7 +1247,7 @@ static void _rtl92e_if_silent_reset(struct net_device *dev) RESET_START: - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); if (priv->rtllib->state == RTLLIB_LINKED) rtl92e_leisure_ps_leave(dev); @@ -1255,7 +1255,7 @@ RESET_START: if (priv->up) { netdev_info(dev, "%s():the driver is not up.\n", __func__); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return; } priv->up = 0; @@ -1277,14 +1277,14 @@ RESET_START: rtllib_stop_scan_syncro(ieee); if (ieee->state == RTLLIB_LINKED) { - SEM_DOWN_IEEE_WX(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); netdev_info(dev, "ieee->state is RTLLIB_LINKED\n"); rtllib_stop_send_beacons(priv->rtllib); del_timer_sync(&ieee->associate_timer); cancel_delayed_work(&ieee->associate_retry_wq); rtllib_stop_scan(ieee); netif_carrier_off(dev); - SEM_UP_IEEE_WX(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); } else { netdev_info(dev, "ieee->state is NOT LINKED\n"); rtllib_softmac_stop_protocol(priv->rtllib, 0, true); @@ -1292,7 +1292,7 @@ RESET_START: rtl92e_dm_backup_state(dev); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); RT_TRACE(COMP_RESET, "%s():<==========down process is finished\n", __func__); @@ -1982,7 +1982,7 @@ void rtl92e_update_rx_statistics(struct r8192_priv *priv, weighting) / 6; } -u8 rtl92e_rx_db_to_percent(char antpower) +u8 rtl92e_rx_db_to_percent(s8 antpower) { if ((antpower <= -100) || (antpower >= 20)) return 0; @@ -1993,9 +1993,9 @@ u8 rtl92e_rx_db_to_percent(char antpower) } /* QueryRxPwrPercentage */ -u8 rtl92e_evm_db_to_percent(char value) +u8 rtl92e_evm_db_to_percent(s8 value) { - char ret_val; + s8 ret_val; ret_val = value; @@ -2179,9 +2179,9 @@ static int _rtl92e_open(struct net_device *dev) struct r8192_priv *priv = rtllib_priv(dev); int ret; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); ret = _rtl92e_try_up(dev); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; } @@ -2206,11 +2206,11 @@ static int _rtl92e_close(struct net_device *dev) rtllib_stop_scan(priv->rtllib); } - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); ret = _rtl92e_down(dev, true); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; @@ -2242,11 +2242,11 @@ static void _rtl92e_restart(void *data) reset_wq); struct net_device *dev = priv->rtllib->dev; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); rtl92e_commit(dev); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); } static void _rtl92e_set_multicast(struct net_device *dev) @@ -2265,12 +2265,12 @@ static int _rtl92e_set_mac_adr(struct net_device *dev, void *mac) struct r8192_priv *priv = rtllib_priv(dev); struct sockaddr *addr = mac; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); ether_addr_copy(dev->dev_addr, addr->sa_data); schedule_work(&priv->reset_wq); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return 0; } @@ -2287,7 +2287,7 @@ static int _rtl92e_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) struct iw_point *p = &wrq->u.data; struct ieee_param *ipw = NULL; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); switch (cmd) { case RTL_IOCTL_WPA_SUPPLICANT: @@ -2393,7 +2393,7 @@ static int _rtl92e_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) } out: - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; } diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h index f627fdc15a58..babc0b3bce95 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h @@ -375,8 +375,8 @@ struct r8192_priv { struct tasklet_struct irq_tx_tasklet; struct tasklet_struct irq_prepare_beacon_tasklet; - struct semaphore wx_sem; - struct semaphore rf_sem; + struct mutex wx_mutex; + struct mutex rf_mutex; struct mutex mutex; struct rt_stats stats; @@ -503,8 +503,8 @@ struct r8192_priv { u32 Pwr_Track; u8 CCKPresentAttentuation_20Mdefault; u8 CCKPresentAttentuation_40Mdefault; - char CCKPresentAttentuation_difference; - char CCKPresentAttentuation; + s8 CCKPresentAttentuation_difference; + s8 CCKPresentAttentuation; long undecorated_smoothed_pwdb; u32 MCSTxPowerLevelOriginalOffset[6]; @@ -604,8 +604,8 @@ void rtl92e_update_rx_pkt_timestamp(struct net_device *dev, long rtl92e_translate_to_dbm(struct r8192_priv *priv, u8 signal_strength_index); void rtl92e_update_rx_statistics(struct r8192_priv *priv, struct rtllib_rx_stats *pprevious_stats); -u8 rtl92e_evm_db_to_percent(char value); -u8 rtl92e_rx_db_to_percent(char antpower); +u8 rtl92e_evm_db_to_percent(s8 value); +u8 rtl92e_rx_db_to_percent(s8 antpower); void rtl92e_copy_mpdu_stats(struct rtllib_rx_stats *psrc_stats, struct rtllib_rx_stats *ptarget_stats); bool rtl92e_enable_nic(struct net_device *dev); diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c index 98e4d88d0e73..aa4b015c3cc7 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c @@ -179,9 +179,9 @@ void rtl92e_ips_leave_wq(void *data) struct net_device *dev = ieee->dev; struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); - down(&priv->rtllib->ips_sem); + mutex_lock(&priv->rtllib->ips_mutex); rtl92e_ips_leave(dev); - up(&priv->rtllib->ips_sem); + mutex_unlock(&priv->rtllib->ips_mutex); } void rtl92e_rtllib_ips_leave_wq(struct net_device *dev) @@ -209,9 +209,9 @@ void rtl92e_rtllib_ips_leave(struct net_device *dev) { struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); - down(&priv->rtllib->ips_sem); + mutex_lock(&priv->rtllib->ips_mutex); rtl92e_ips_leave(dev); - up(&priv->rtllib->ips_sem); + mutex_unlock(&priv->rtllib->ips_mutex); } static bool _rtl92e_ps_set_mode(struct net_device *dev, u8 rtPsMode) diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c index 70df6a1485d6..7413a100ca19 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c @@ -65,11 +65,11 @@ static int _rtl92e_wx_set_rate(struct net_device *dev, if (priv->bHwRadioOff) return 0; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); ret = rtllib_wx_set_rate(priv->rtllib, info, wrqu, extra); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; } @@ -84,11 +84,11 @@ static int _rtl92e_wx_set_rts(struct net_device *dev, if (priv->bHwRadioOff) return 0; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); ret = rtllib_wx_set_rts(priv->rtllib, info, wrqu, extra); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; } @@ -114,11 +114,11 @@ static int _rtl92e_wx_set_power(struct net_device *dev, __func__); return 0; } - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); ret = rtllib_wx_set_power(priv->rtllib, info, wrqu, extra); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; } @@ -142,11 +142,11 @@ static int _rtl92e_wx_set_rawtx(struct net_device *dev, if (priv->bHwRadioOff) return 0; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); ret = rtllib_wx_set_rawtx(priv->rtllib, info, wrqu, extra); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; @@ -158,12 +158,12 @@ static int _rtl92e_wx_force_reset(struct net_device *dev, { struct r8192_priv *priv = rtllib_priv(dev); - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); RT_TRACE(COMP_DBG, "%s(): force reset ! extra is %d\n", __func__, *extra); priv->force_reset = *extra; - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return 0; } @@ -177,7 +177,7 @@ static int _rtl92e_wx_adapter_power_status(struct net_device *dev, (&(priv->rtllib->PowerSaveControl)); struct rtllib_device *ieee = priv->rtllib; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); RT_TRACE(COMP_POWER, "%s(): %s\n", __func__, (*extra == 6) ? "DC power" : "AC power"); @@ -193,7 +193,7 @@ static int _rtl92e_wx_adapter_power_status(struct net_device *dev, ieee->ps = *extra; } - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return 0; } @@ -207,13 +207,13 @@ static int _rtl92e_wx_set_lps_awake_interval(struct net_device *dev, struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *) (&(priv->rtllib->PowerSaveControl)); - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); netdev_info(dev, "%s(): set lps awake interval ! extra is %d\n", __func__, *extra); pPSC->RegMaxLPSAwakeIntvl = *extra; - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return 0; } @@ -223,13 +223,13 @@ static int _rtl92e_wx_set_force_lps(struct net_device *dev, { struct r8192_priv *priv = rtllib_priv(dev); - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); netdev_info(dev, "%s(): force LPS ! extra is %d (1 is open 0 is close)\n", __func__, *extra); priv->force_lps = *extra; - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return 0; } @@ -266,7 +266,7 @@ static int _rtl92e_wx_set_mode(struct net_device *dev, if (priv->bHwRadioOff) return 0; rtState = priv->rtllib->eRFPowerState; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); if (wrqu->mode == IW_MODE_ADHOC || wrqu->mode == IW_MODE_MONITOR || ieee->bNetPromiscuousMode) { if (priv->rtllib->PowerSaveControl.bInactivePs) { @@ -275,21 +275,21 @@ static int _rtl92e_wx_set_mode(struct net_device *dev, RF_CHANGE_BY_IPS) { netdev_warn(dev, "%s(): RF is OFF.\n", __func__); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return -1; } netdev_info(dev, "=========>%s(): rtl92e_ips_leave\n", __func__); - down(&priv->rtllib->ips_sem); + mutex_lock(&priv->rtllib->ips_mutex); rtl92e_ips_leave(dev); - up(&priv->rtllib->ips_sem); + mutex_unlock(&priv->rtllib->ips_mutex); } } } ret = rtllib_wx_set_mode(priv->rtllib, a, wrqu, b); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; } @@ -425,7 +425,7 @@ static int _rtl92e_wx_set_scan(struct net_device *dev, } } - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); priv->rtllib->FirstIe_InScan = true; @@ -436,15 +436,15 @@ static int _rtl92e_wx_set_scan(struct net_device *dev, RF_CHANGE_BY_IPS) { netdev_warn(dev, "%s(): RF is OFF.\n", __func__); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return -1; } RT_TRACE(COMP_PS, "=========>%s(): rtl92e_ips_leave\n", __func__); - down(&priv->rtllib->ips_sem); + mutex_lock(&priv->rtllib->ips_mutex); rtl92e_ips_leave(dev); - up(&priv->rtllib->ips_sem); + mutex_unlock(&priv->rtllib->ips_mutex); } } rtllib_stop_scan(priv->rtllib); @@ -471,7 +471,7 @@ static int _rtl92e_wx_set_scan(struct net_device *dev, ret = rtllib_wx_set_scan(priv->rtllib, a, wrqu, b); } - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; } @@ -491,11 +491,11 @@ static int _rtl92e_wx_get_scan(struct net_device *dev, return 0; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); ret = rtllib_wx_get_scan(priv->rtllib, a, wrqu, b); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; } @@ -513,10 +513,10 @@ static int _rtl92e_wx_set_essid(struct net_device *dev, __func__); return 0; } - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); ret = rtllib_wx_set_essid(priv->rtllib, a, wrqu, b); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; } @@ -528,11 +528,11 @@ static int _rtl92e_wx_get_essid(struct net_device *dev, int ret; struct r8192_priv *priv = rtllib_priv(dev); - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); ret = rtllib_wx_get_essid(priv->rtllib, a, wrqu, b); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; } @@ -545,12 +545,12 @@ static int _rtl92e_wx_set_nick(struct net_device *dev, if (wrqu->data.length > IW_ESSID_MAX_SIZE) return -E2BIG; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); wrqu->data.length = min_t(size_t, wrqu->data.length, sizeof(priv->nick)); memset(priv->nick, 0, sizeof(priv->nick)); memcpy(priv->nick, extra, wrqu->data.length); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return 0; } @@ -561,11 +561,11 @@ static int _rtl92e_wx_get_nick(struct net_device *dev, { struct r8192_priv *priv = rtllib_priv(dev); - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); wrqu->data.length = strlen(priv->nick); memcpy(extra, priv->nick, wrqu->data.length); wrqu->data.flags = 1; /* active */ - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return 0; } @@ -579,11 +579,11 @@ static int _rtl92e_wx_set_freq(struct net_device *dev, if (priv->bHwRadioOff) return 0; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); ret = rtllib_wx_set_freq(priv->rtllib, a, wrqu, b); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; } @@ -644,11 +644,11 @@ static int _rtl92e_wx_set_wap(struct net_device *dev, if (priv->bHwRadioOff) return 0; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); ret = rtllib_wx_set_wap(priv->rtllib, info, awrq, extra); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; @@ -698,14 +698,14 @@ static int _rtl92e_wx_set_enc(struct net_device *dev, return -ENETDOWN; priv->rtllib->wx_set_enc = 1; - down(&priv->rtllib->ips_sem); + mutex_lock(&priv->rtllib->ips_mutex); rtl92e_ips_leave(dev); - up(&priv->rtllib->ips_sem); - down(&priv->wx_sem); + mutex_unlock(&priv->rtllib->ips_mutex); + mutex_lock(&priv->wx_mutex); RT_TRACE(COMP_SEC, "Setting SW wep key"); ret = rtllib_wx_set_encode(priv->rtllib, info, wrqu, key); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); if (wrqu->encoding.flags & IW_ENCODE_DISABLED) { @@ -799,7 +799,7 @@ static int _rtl92e_wx_set_retry(struct net_device *dev, if (priv->bHwRadioOff) return 0; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); if (wrqu->retry.flags & IW_RETRY_LIFETIME || wrqu->retry.disabled) { @@ -822,7 +822,7 @@ static int _rtl92e_wx_set_retry(struct net_device *dev, rtl92e_commit(dev); exit: - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return err; } @@ -875,7 +875,7 @@ static int _rtl92e_wx_set_sens(struct net_device *dev, if (priv->bHwRadioOff) return 0; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); if (priv->rf_set_sens == NULL) { err = -1; /* we have not this support for this radio */ goto exit; @@ -886,7 +886,7 @@ static int _rtl92e_wx_set_sens(struct net_device *dev, err = -EINVAL; exit: - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return err; } @@ -902,12 +902,12 @@ static int _rtl92e_wx_set_encode_ext(struct net_device *dev, if (priv->bHwRadioOff) return 0; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); priv->rtllib->wx_set_enc = 1; - down(&priv->rtllib->ips_sem); + mutex_lock(&priv->rtllib->ips_mutex); rtl92e_ips_leave(dev); - up(&priv->rtllib->ips_sem); + mutex_unlock(&priv->rtllib->ips_mutex); ret = rtllib_wx_set_encode_ext(ieee, info, wrqu, extra); { @@ -969,7 +969,7 @@ static int _rtl92e_wx_set_encode_ext(struct net_device *dev, end_hw_sec: priv->rtllib->wx_set_enc = 0; - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; } @@ -985,9 +985,9 @@ static int _rtl92e_wx_set_auth(struct net_device *dev, if (priv->bHwRadioOff) return 0; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); ret = rtllib_wx_set_auth(priv->rtllib, info, &(data->param), extra); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; } @@ -1003,9 +1003,9 @@ static int _rtl92e_wx_set_mlme(struct net_device *dev, if (priv->bHwRadioOff) return 0; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); ret = rtllib_wx_set_mlme(priv->rtllib, info, wrqu, extra); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; } @@ -1020,9 +1020,9 @@ static int _rtl92e_wx_set_gen_ie(struct net_device *dev, if (priv->bHwRadioOff) return 0; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); ret = rtllib_wx_set_gen_ie(priv->rtllib, extra, data->data.length); - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return ret; } @@ -1097,14 +1097,14 @@ static int _rtl92e_wx_get_promisc_mode(struct net_device *dev, struct r8192_priv *priv = rtllib_priv(dev); struct rtllib_device *ieee = priv->rtllib; - down(&priv->wx_sem); + mutex_lock(&priv->wx_mutex); snprintf(extra, 45, "PromiscuousMode:%d, FilterSrcSTAFrame:%d", ieee->IntelPromiscuousModeInfo.bPromiscuousOn, ieee->IntelPromiscuousModeInfo.bFilterSourceStationFrame); wrqu->data.length = strlen(extra) + 1; - up(&priv->wx_sem); + mutex_unlock(&priv->wx_mutex); return 0; } diff --git a/drivers/staging/rtl8192e/rtl819x_Qos.h b/drivers/staging/rtl8192e/rtl819x_Qos.h index 463122db6d29..61da8f7475bb 100644 --- a/drivers/staging/rtl8192e/rtl819x_Qos.h +++ b/drivers/staging/rtl8192e/rtl819x_Qos.h @@ -169,9 +169,6 @@ union qos_tclas { } TYPE2_8021Q; }; -#define IsACValid(ac) ((ac >= 0 && ac <= 7) ? true : false) - - union aci_aifsn { u8 charData; diff --git a/drivers/staging/rtl8192e/rtl819x_TSProc.c b/drivers/staging/rtl8192e/rtl819x_TSProc.c index 2c8a526773ed..a966a8e490ab 100644 --- a/drivers/staging/rtl8192e/rtl819x_TSProc.c +++ b/drivers/staging/rtl8192e/rtl819x_TSProc.c @@ -306,6 +306,11 @@ static void MakeTSEntry(struct ts_common_info *pTsCommonInfo, u8 *Addr, pTsCommonInfo->TClasNum = TCLAS_Num; } +static bool IsACValid(unsigned int tid) +{ + return tid < 7; +} + bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS, u8 *Addr, u8 TID, enum tr_select TxRxSelect, bool bAddNewTs) { diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h index 776e179d5bfd..38247fad76f8 100644 --- a/drivers/staging/rtl8192e/rtllib.h +++ b/drivers/staging/rtl8192e/rtllib.h @@ -30,7 +30,7 @@ #include <linux/jiffies.h> #include <linux/timer.h> #include <linux/sched.h> -#include <linux/semaphore.h> +#include <linux/mutex.h> #include <linux/delay.h> #include <linux/wireless.h> @@ -1651,9 +1651,9 @@ struct rtllib_device { short proto_started; short proto_stoppping; - struct semaphore wx_sem; - struct semaphore scan_sem; - struct semaphore ips_sem; + struct mutex wx_mutex; + struct mutex scan_mutex; + struct mutex ips_mutex; spinlock_t mgmt_tx_lock; spinlock_t beacon_lock; @@ -2212,7 +2212,5 @@ void rtllib_indicate_packets(struct rtllib_device *ieee, void HTUseDefaultSetting(struct rtllib_device *ieee); #define RT_ASOC_RETRY_LIMIT 5 u8 MgntQuery_TxRateExcludeCCKRates(struct rtllib_device *ieee); -#define SEM_DOWN_IEEE_WX(psem) down(psem) -#define SEM_UP_IEEE_WX(psem) up(psem) #endif /* RTLLIB_H */ diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c index 62154e3f4463..e84ffc825752 100644 --- a/drivers/staging/rtl8192e/rtllib_softmac.c +++ b/drivers/staging/rtl8192e/rtllib_softmac.c @@ -513,7 +513,7 @@ static void rtllib_softmac_scan_syncro(struct rtllib_device *ieee, u8 is_mesh) ieee->be_scan_inprogress = true; - down(&ieee->scan_sem); + mutex_lock(&ieee->scan_mutex); while (1) { do { @@ -566,7 +566,7 @@ out: if (IS_DOT11D_ENABLE(ieee)) DOT11D_ScanComplete(ieee); } - up(&ieee->scan_sem); + mutex_unlock(&ieee->scan_mutex); ieee->be_scan_inprogress = false; @@ -587,7 +587,7 @@ static void rtllib_softmac_scan_wq(void *data) if (rtllib_act_scanning(ieee, true)) return; - down(&ieee->scan_sem); + mutex_lock(&ieee->scan_mutex); if (ieee->eRFPowerState == eRfOff) { netdev_info(ieee->dev, @@ -618,7 +618,7 @@ static void rtllib_softmac_scan_wq(void *data) schedule_delayed_work(&ieee->softmac_scan_wq, msecs_to_jiffies(RTLLIB_SOFTMAC_SCAN_TIME)); - up(&ieee->scan_sem); + mutex_unlock(&ieee->scan_mutex); return; out: @@ -630,7 +630,7 @@ out1: ieee->actscanning = false; ieee->scan_watch_dog = 0; ieee->scanning_continue = 0; - up(&ieee->scan_sem); + mutex_unlock(&ieee->scan_mutex); } @@ -683,7 +683,7 @@ EXPORT_SYMBOL(rtllib_start_send_beacons); static void rtllib_softmac_stop_scan(struct rtllib_device *ieee) { - down(&ieee->scan_sem); + mutex_lock(&ieee->scan_mutex); ieee->scan_watch_dog = 0; if (ieee->scanning_continue == 1) { ieee->scanning_continue = 0; @@ -692,7 +692,7 @@ static void rtllib_softmac_stop_scan(struct rtllib_device *ieee) cancel_delayed_work_sync(&ieee->softmac_scan_wq); } - up(&ieee->scan_sem); + mutex_unlock(&ieee->scan_mutex); } void rtllib_stop_scan(struct rtllib_device *ieee) @@ -753,7 +753,7 @@ static void rtllib_start_scan(struct rtllib_device *ieee) } } -/* called with wx_sem held */ +/* called with wx_mutex held */ void rtllib_start_scan_syncro(struct rtllib_device *ieee, u8 is_mesh) { if (IS_DOT11D_ENABLE(ieee)) { @@ -1590,7 +1590,7 @@ static void rtllib_associate_procedure_wq(void *data) rtllib_stop_scan_syncro(ieee); if (ieee->rtllib_ips_leave != NULL) ieee->rtllib_ips_leave(ieee->dev); - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); if (ieee->data_hard_stop) ieee->data_hard_stop(ieee->dev); @@ -1605,14 +1605,14 @@ static void rtllib_associate_procedure_wq(void *data) __func__); if (ieee->rtllib_ips_leave_wq != NULL) ieee->rtllib_ips_leave_wq(ieee->dev); - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); return; } ieee->associate_seq = 1; rtllib_associate_step1(ieee, ieee->current_network.bssid); - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); } inline void rtllib_softmac_new_net(struct rtllib_device *ieee, @@ -2582,16 +2582,16 @@ static void rtllib_start_ibss_wq(void *data) struct rtllib_device, start_ibss_wq); /* iwconfig mode ad-hoc will schedule this and return * on the other hand this will block further iwconfig SET - * operations because of the wx_sem hold. + * operations because of the wx_mutex hold. * Anyway some most set operations set a flag to speed-up * (abort) this wq (when syncro scanning) before sleeping - * on the semaphore + * on the mutex */ if (!ieee->proto_started) { netdev_info(ieee->dev, "==========oh driver down return\n"); return; } - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); if (ieee->current_network.ssid_len == 0) { strcpy(ieee->current_network.ssid, RTLLIB_DEFAULT_TX_ESSID); @@ -2703,7 +2703,7 @@ static void rtllib_start_ibss_wq(void *data) netif_carrier_on(ieee->dev); - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); } inline void rtllib_start_ibss(struct rtllib_device *ieee) @@ -2711,7 +2711,7 @@ inline void rtllib_start_ibss(struct rtllib_device *ieee) schedule_delayed_work(&ieee->start_ibss_wq, msecs_to_jiffies(150)); } -/* this is called only in user context, with wx_sem held */ +/* this is called only in user context, with wx_mutex held */ static void rtllib_start_bss(struct rtllib_device *ieee) { unsigned long flags; @@ -2773,7 +2773,7 @@ static void rtllib_associate_retry_wq(void *data) struct rtllib_device, associate_retry_wq); unsigned long flags; - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); if (!ieee->proto_started) goto exit; @@ -2806,7 +2806,7 @@ static void rtllib_associate_retry_wq(void *data) ieee->beinretry = false; exit: - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); } static struct sk_buff *rtllib_get_beacon_(struct rtllib_device *ieee) @@ -2853,9 +2853,9 @@ void rtllib_softmac_stop_protocol(struct rtllib_device *ieee, u8 mesh_flag, u8 shutdown) { rtllib_stop_scan_syncro(ieee); - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); rtllib_stop_protocol(ieee, shutdown); - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); } EXPORT_SYMBOL(rtllib_softmac_stop_protocol); @@ -2902,9 +2902,9 @@ void rtllib_stop_protocol(struct rtllib_device *ieee, u8 shutdown) void rtllib_softmac_start_protocol(struct rtllib_device *ieee, u8 mesh_flag) { - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); rtllib_start_protocol(ieee); - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); } EXPORT_SYMBOL(rtllib_softmac_start_protocol); @@ -3034,9 +3034,9 @@ void rtllib_softmac_init(struct rtllib_device *ieee) INIT_WORK_RSL(&ieee->wx_sync_scan_wq, (void *)rtllib_wx_sync_scan_wq, ieee); - sema_init(&ieee->wx_sem, 1); - sema_init(&ieee->scan_sem, 1); - sema_init(&ieee->ips_sem, 1); + mutex_init(&ieee->wx_mutex); + mutex_init(&ieee->scan_mutex); + mutex_init(&ieee->ips_mutex); spin_lock_init(&ieee->mgmt_tx_lock); spin_lock_init(&ieee->beacon_lock); @@ -3049,7 +3049,7 @@ void rtllib_softmac_init(struct rtllib_device *ieee) void rtllib_softmac_free(struct rtllib_device *ieee) { - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); kfree(ieee->pDot11dInfo); ieee->pDot11dInfo = NULL; del_timer_sync(&ieee->associate_timer); @@ -3064,7 +3064,7 @@ void rtllib_softmac_free(struct rtllib_device *ieee) cancel_work_sync(&ieee->associate_complete_wq); cancel_work_sync(&ieee->ips_leave_wq); cancel_work_sync(&ieee->wx_sync_scan_wq); - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); tasklet_kill(&ieee->ps_task); } @@ -3499,7 +3499,7 @@ int rtllib_wpa_supplicant_ioctl(struct rtllib_device *ieee, struct iw_point *p, struct ieee_param *param; int ret = 0; - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); if (p->length < sizeof(struct ieee_param) || !p->pointer) { ret = -EINVAL; @@ -3543,7 +3543,7 @@ int rtllib_wpa_supplicant_ioctl(struct rtllib_device *ieee, struct iw_point *p, kfree(param); out: - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); return ret; } diff --git a/drivers/staging/rtl8192e/rtllib_softmac_wx.c b/drivers/staging/rtl8192e/rtllib_softmac_wx.c index 61ed8b0413e4..5f1412fc410d 100644 --- a/drivers/staging/rtl8192e/rtllib_softmac_wx.c +++ b/drivers/staging/rtl8192e/rtllib_softmac_wx.c @@ -35,7 +35,7 @@ int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a, int ret; struct iw_freq *fwrq = &wrqu->freq; - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); if (ieee->iw_mode == IW_MODE_INFRA) { ret = 0; @@ -81,7 +81,7 @@ int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a, ret = 0; out: - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); return ret; } EXPORT_SYMBOL(rtllib_wx_set_freq); @@ -146,7 +146,7 @@ int rtllib_wx_set_wap(struct rtllib_device *ieee, rtllib_stop_scan_syncro(ieee); - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); /* use ifconfig hw ether */ if (ieee->iw_mode == IW_MODE_MASTER) { ret = -1; @@ -185,7 +185,7 @@ int rtllib_wx_set_wap(struct rtllib_device *ieee, if (ifup) rtllib_start_protocol(ieee); out: - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); return ret; } EXPORT_SYMBOL(rtllib_wx_set_wap); @@ -287,7 +287,7 @@ int rtllib_wx_set_mode(struct rtllib_device *ieee, struct iw_request_info *a, int set_mode_status = 0; rtllib_stop_scan_syncro(ieee); - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); switch (wrqu->mode) { case IW_MODE_MONITOR: case IW_MODE_ADHOC: @@ -322,7 +322,7 @@ int rtllib_wx_set_mode(struct rtllib_device *ieee, struct iw_request_info *a, } out: - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); return set_mode_status; } EXPORT_SYMBOL(rtllib_wx_set_mode); @@ -412,7 +412,7 @@ void rtllib_wx_sync_scan_wq(void *data) rtllib_wake_all_queues(ieee); out: - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); } @@ -421,7 +421,7 @@ int rtllib_wx_set_scan(struct rtllib_device *ieee, struct iw_request_info *a, { int ret = 0; - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); if (ieee->iw_mode == IW_MODE_MONITOR || !(ieee->proto_started)) { ret = -1; @@ -435,7 +435,7 @@ int rtllib_wx_set_scan(struct rtllib_device *ieee, struct iw_request_info *a, } out: - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); return ret; } EXPORT_SYMBOL(rtllib_wx_set_scan); @@ -450,7 +450,7 @@ int rtllib_wx_set_essid(struct rtllib_device *ieee, unsigned long flags; rtllib_stop_scan_syncro(ieee); - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); proto_started = ieee->proto_started; @@ -492,7 +492,7 @@ int rtllib_wx_set_essid(struct rtllib_device *ieee, if (proto_started) rtllib_start_protocol(ieee); out: - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); return ret; } EXPORT_SYMBOL(rtllib_wx_set_essid); @@ -514,7 +514,7 @@ int rtllib_wx_set_rawtx(struct rtllib_device *ieee, int enable = (parms[0] > 0); short prev = ieee->raw_tx; - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); if (enable) ieee->raw_tx = 1; @@ -536,7 +536,7 @@ int rtllib_wx_set_rawtx(struct rtllib_device *ieee, netif_carrier_off(ieee->dev); } - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); return 0; } @@ -575,7 +575,7 @@ int rtllib_wx_set_power(struct rtllib_device *ieee, return -1; } - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); if (wrqu->power.disabled) { RT_TRACE(COMP_DBG, "===>%s(): power disable\n", __func__); @@ -611,7 +611,7 @@ int rtllib_wx_set_power(struct rtllib_device *ieee, } exit: - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); return ret; } @@ -622,7 +622,7 @@ int rtllib_wx_get_power(struct rtllib_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra) { - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); if (ieee->ps == RTLLIB_PS_DISABLED) { wrqu->power.disabled = 1; @@ -648,7 +648,7 @@ int rtllib_wx_get_power(struct rtllib_device *ieee, wrqu->power.flags |= IW_POWER_UNICAST_R; exit: - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); return 0; } diff --git a/drivers/staging/rtl8192e/rtllib_wx.c b/drivers/staging/rtl8192e/rtllib_wx.c index 84e6272f28cd..b1500ee9a5cf 100644 --- a/drivers/staging/rtl8192e/rtllib_wx.c +++ b/drivers/staging/rtl8192e/rtllib_wx.c @@ -263,7 +263,7 @@ int rtllib_wx_get_scan(struct rtllib_device *ieee, int err = 0; netdev_dbg(ieee->dev, "Getting scan\n"); - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); spin_lock_irqsave(&ieee->lock, flags); list_for_each_entry(network, &ieee->network_list, list) { @@ -287,7 +287,7 @@ int rtllib_wx_get_scan(struct rtllib_device *ieee, } spin_unlock_irqrestore(&ieee->lock, flags); - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); wrqu->data.length = ev - extra; wrqu->data.flags = 0; @@ -689,7 +689,7 @@ int rtllib_wx_set_mlme(struct rtllib_device *ieee, if (ieee->state != RTLLIB_LINKED) return -ENOLINK; - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); switch (mlme->cmd) { case IW_MLME_DEAUTH: @@ -716,11 +716,11 @@ int rtllib_wx_set_mlme(struct rtllib_device *ieee, ieee->current_network.ssid_len = 0; break; default: - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); return -EOPNOTSUPP; } - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); return 0; } diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211.h b/drivers/staging/rtl8192u/ieee80211/ieee80211.h index 09e9499b7f9d..077ea13eb1e7 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211.h +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211.h @@ -746,7 +746,7 @@ struct ieee80211_rx_stats { bool bisrxaggrsubframe; bool bPacketBeacon; //cosa add for rssi bool bToSelfBA; //cosa add for rssi - char cck_adc_pwdb[4]; //cosa add for rx path selection + s8 cck_adc_pwdb[4]; //cosa add for rx path selection u16 Seq_Num; }; @@ -1814,7 +1814,7 @@ struct ieee80211_device { u32 wpax_type_notify; //{added by David, 2006.9.26} /* QoS related flag */ - char init_wmmparam_flag; + s8 init_wmmparam_flag; /* set on initialization */ u8 qos_support; diff --git a/drivers/staging/rtl8192u/r8192U.h b/drivers/staging/rtl8192u/r8192U.h index 821afc0ddac5..0b7b04ea0910 100644 --- a/drivers/staging/rtl8192u/r8192U.h +++ b/drivers/staging/rtl8192u/r8192U.h @@ -533,7 +533,7 @@ typedef struct _rt_9x_tx_rate_history { u32 ht_mcs[4][16]; } rt_tx_rahis_t, *prt_tx_rahis_t; typedef struct _RT_SMOOTH_DATA_4RF { - char elements[4][100]; /* array to store values */ + s8 elements[4][100]; /* array to store values */ u32 index; /* index to current array to store */ u32 TotalNum; /* num of valid elements */ u32 TotalVal[4]; /* sum of valid elements */ @@ -1031,7 +1031,7 @@ typedef struct r8192_priv { s8 cck_present_attentuation; u8 cck_present_attentuation_20Mdefault; u8 cck_present_attentuation_40Mdefault; - char cck_present_attentuation_difference; + s8 cck_present_attentuation_difference; bool btxpower_tracking; bool bcck_in_ch14; bool btxpowerdata_readfromEEPORM; diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c index dd0970facdf5..b86b28ae7d7b 100644 --- a/drivers/staging/rtl8192u/r8192U_core.c +++ b/drivers/staging/rtl8192u/r8192U_core.c @@ -1702,11 +1702,8 @@ short rtl8192_tx(struct net_device *dev, struct sk_buff *skb) } if (bSend0Byte) { tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC); - if (!tx_urb_zero) { - RT_TRACE(COMP_ERR, - "can't alloc urb for zero byte\n"); + if (!tx_urb_zero) return -ENOMEM; - } usb_fill_bulk_urb(tx_urb_zero, udev, usb_sndbulkpipe(udev, idx_pipe), &zero, 0, tx_zero_isr, dev); @@ -4209,7 +4206,7 @@ static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer, * * Return: 0-100 percentage *---------------------------------------------------------------------------*/ -static u8 rtl819x_query_rxpwrpercentage(char antpower) +static u8 rtl819x_query_rxpwrpercentage(s8 antpower) { if ((antpower <= -100) || (antpower >= 20)) return 0; @@ -4220,9 +4217,9 @@ static u8 rtl819x_query_rxpwrpercentage(char antpower) } /* QueryRxPwrPercentage */ -static u8 rtl819x_evm_dbtopercentage(char value) +static u8 rtl819x_evm_dbtopercentage(s8 value) { - char ret_val; + s8 ret_val; ret_val = value; @@ -4297,8 +4294,8 @@ static void rtl8192_query_rxphystatus(struct r8192_priv *priv, phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc; u8 *prxpkt; u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg; - char rx_pwr[4], rx_pwr_all = 0; - char rx_snrX, rx_evmX; + s8 rx_pwr[4], rx_pwr_all = 0; + s8 rx_snrX, rx_evmX; u8 evm, pwdb_all; u32 RSSI, total_rssi = 0; u8 is_cck_rate = 0; @@ -4423,7 +4420,7 @@ static void rtl8192_query_rxphystatus(struct r8192_priv *priv, /* Get Rx snr value in DB */ tmp_rxsnr = pofdm_buf->rxsnr_X[i]; - rx_snrX = (char)(tmp_rxsnr); + rx_snrX = (s8)(tmp_rxsnr); rx_snrX /= 2; priv->stats.rxSNRdB[i] = (long)rx_snrX; @@ -4457,7 +4454,7 @@ static void rtl8192_query_rxphystatus(struct r8192_priv *priv, for (i = 0; i < max_spatial_stream; i++) { tmp_rxevm = pofdm_buf->rxevm_X[i]; - rx_evmX = (char)(tmp_rxevm); + rx_evmX = (s8)(tmp_rxevm); /* Do not use shift operation like "rx_evmX >>= 1" * because the compiler of free build environment will diff --git a/drivers/staging/rtl8712/ieee80211.c b/drivers/staging/rtl8712/ieee80211.c index 8918654b44ed..5dc3b5b9bfff 100644 --- a/drivers/staging/rtl8712/ieee80211.c +++ b/drivers/staging/rtl8712/ieee80211.c @@ -145,7 +145,7 @@ static void set_supported_rate(u8 *rates, uint mode) case WIRELESS_11BG: memcpy(rates, WIFI_CCKRATES, IEEE80211_CCK_RATE_LEN); memcpy(rates + IEEE80211_CCK_RATE_LEN, WIFI_OFDMRATES, - IEEE80211_NUM_OFDM_RATESLEN); + IEEE80211_NUM_OFDM_RATESLEN); break; } } @@ -188,24 +188,24 @@ int r8712_generate_ie(struct registry_priv *pregistrypriv) ie += 2; /*SSID*/ ie = r8712_set_ie(ie, _SSID_IE_, pdev_network->Ssid.SsidLength, - pdev_network->Ssid.Ssid, &sz); + pdev_network->Ssid.Ssid, &sz); /*supported rates*/ set_supported_rate(pdev_network->rates, pregistrypriv->wireless_mode); rateLen = r8712_get_rateset_len(pdev_network->rates); if (rateLen > 8) { ie = r8712_set_ie(ie, _SUPPORTEDRATES_IE_, 8, - pdev_network->rates, &sz); + pdev_network->rates, &sz); ie = r8712_set_ie(ie, _EXT_SUPPORTEDRATES_IE_, (rateLen - 8), - (pdev_network->rates + 8), &sz); + (pdev_network->rates + 8), &sz); } else ie = r8712_set_ie(ie, _SUPPORTEDRATES_IE_, - rateLen, pdev_network->rates, &sz); + rateLen, pdev_network->rates, &sz); /*DS parameter set*/ ie = r8712_set_ie(ie, _DSSET_IE_, 1, - (u8 *)&(pdev_network->Configuration.DSConfig), &sz); + (u8 *)&(pdev_network->Configuration.DSConfig), &sz); /*IBSS Parameter Set*/ ie = r8712_set_ie(ie, _IBSS_PARA_IE_, 2, - (u8 *)&(pdev_network->Configuration.ATIMWindow), &sz); + (u8 *)&(pdev_network->Configuration.ATIMWindow), &sz); return sz; } @@ -220,8 +220,7 @@ unsigned char *r8712_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit) pbuf = r8712_get_ie(pbuf, _WPA_IE_ID_, &len, limit); if (pbuf) { /*check if oui matches...*/ - if (memcmp((pbuf + 2), wpa_oui_type, - sizeof(wpa_oui_type))) + if (memcmp((pbuf + 2), wpa_oui_type, sizeof(wpa_oui_type))) goto check_next_ie; /*check version...*/ memcpy((u8 *)&val16, (pbuf + 6), sizeof(val16)); @@ -279,7 +278,7 @@ static int r8712_get_wpa2_cipher_suite(u8 *s) } int r8712_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, - int *pairwise_cipher) + int *pairwise_cipher) { int i; int left, count; @@ -322,7 +321,7 @@ int r8712_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, } int r8712_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher, - int *pairwise_cipher) + int *pairwise_cipher) { int i; int left, count; @@ -365,7 +364,7 @@ int r8712_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher, } int r8712_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, - u8 *wpa_ie, u16 *wpa_len) + u8 *wpa_ie, u16 *wpa_len) { u8 authmode; u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01}; @@ -383,7 +382,7 @@ int r8712_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, } else { if (authmode == _WPA2_IE_ID_) { memcpy(rsn_ie, &in_ie[cnt], - in_ie[cnt + 1] + 2); + in_ie[cnt + 1] + 2); *rsn_len = in_ie[cnt + 1] + 2; cnt += in_ie[cnt + 1] + 2; /*get next*/ } else { diff --git a/drivers/staging/rtl8712/os_intfs.c b/drivers/staging/rtl8712/os_intfs.c index 57211f7e68a5..cbe4de05d26b 100644 --- a/drivers/staging/rtl8712/os_intfs.c +++ b/drivers/staging/rtl8712/os_intfs.c @@ -243,9 +243,9 @@ static u32 start_drv_threads(struct _adapter *padapter) void r8712_stop_drv_threads(struct _adapter *padapter) { /*Below is to terminate r8712_cmd_thread & event_thread...*/ - up(&padapter->cmdpriv.cmd_queue_sema); + complete(&padapter->cmdpriv.cmd_queue_comp); if (padapter->cmdThread) - _down_sema(&padapter->cmdpriv.terminate_cmdthread_sema); + wait_for_completion_interruptible(&padapter->cmdpriv.terminate_cmdthread_comp); padapter->cmdpriv.cmd_seq = 1; } @@ -425,7 +425,7 @@ static int netdev_open(struct net_device *pnetdev) else netif_wake_queue(pnetdev); - if (video_mode) + if (video_mode) enable_video_mode(padapter, cbw40_enable); /* start driver mlme relation timer */ start_drv_timers(padapter); diff --git a/drivers/staging/rtl8712/osdep_intf.h b/drivers/staging/rtl8712/osdep_intf.h index aa0ec74af511..5d37e1f951cf 100644 --- a/drivers/staging/rtl8712/osdep_intf.h +++ b/drivers/staging/rtl8712/osdep_intf.h @@ -36,7 +36,7 @@ struct intf_priv { /* when in USB, IO is through interrupt in/out endpoints */ struct usb_device *udev; struct urb *piorw_urb; - struct semaphore io_retevt; + struct completion io_retevt_comp; }; int r871x_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); diff --git a/drivers/staging/rtl8712/osdep_service.h b/drivers/staging/rtl8712/osdep_service.h index ad041c96fdb8..c9ea50daffff 100644 --- a/drivers/staging/rtl8712/osdep_service.h +++ b/drivers/staging/rtl8712/osdep_service.h @@ -57,13 +57,6 @@ struct __queue { spin_lock_init(&((pqueue)->lock)); \ } while (0) -static inline u32 _down_sema(struct semaphore *sema) -{ - if (down_interruptible(sema)) - return _FAIL; - return _SUCCESS; -} - static inline u32 end_of_queue_search(struct list_head *head, struct list_head *plist) { diff --git a/drivers/staging/rtl8712/recv_linux.c b/drivers/staging/rtl8712/recv_linux.c index 735a0eadd98c..576c15d25a0f 100644 --- a/drivers/staging/rtl8712/recv_linux.c +++ b/drivers/staging/rtl8712/recv_linux.c @@ -60,7 +60,6 @@ int r8712_os_recvbuf_resource_alloc(struct _adapter *padapter, if (!precvbuf->purb) res = _FAIL; precvbuf->pskb = NULL; - precvbuf->reuse = false; precvbuf->pallocated_buf = NULL; precvbuf->pbuf = NULL; precvbuf->pdata = NULL; diff --git a/drivers/staging/rtl8712/rtl8712_cmd.c b/drivers/staging/rtl8712/rtl8712_cmd.c index 13c018340ff2..9f61583af150 100644 --- a/drivers/staging/rtl8712/rtl8712_cmd.c +++ b/drivers/staging/rtl8712/rtl8712_cmd.c @@ -264,9 +264,9 @@ static struct cmd_obj *cmd_hdl_filter(struct _adapter *padapter, */ if (padapter->pwrctrlpriv.pwr_mode > PS_MODE_ACTIVE) { padapter->pwrctrlpriv.pwr_mode = PS_MODE_ACTIVE; - _enter_pwrlock(&(padapter->pwrctrlpriv.lock)); + mutex_lock(&padapter->pwrctrlpriv.mutex_lock); r8712_set_rpwm(padapter, PS_STATE_S4); - up(&(padapter->pwrctrlpriv.lock)); + mutex_unlock(&padapter->pwrctrlpriv.mutex_lock); } pcmd_r = pcmd; break; @@ -322,7 +322,7 @@ int r8712_cmd_thread(void *context) allow_signal(SIGTERM); while (1) { - if ((_down_sema(&(pcmdpriv->cmd_queue_sema))) == _FAIL) + if (wait_for_completion_interruptible(&pcmdpriv->cmd_queue_comp)) break; if (padapter->bDriverStopped || padapter->bSurpriseRemoved) break; @@ -395,10 +395,10 @@ _next: } if (pcmd->cmdcode == GEN_CMD_CODE(_SetPwrMode)) { if (padapter->pwrctrlpriv.bSleep) { - _enter_pwrlock(&(padapter-> - pwrctrlpriv.lock)); + mutex_lock(&padapter-> + pwrctrlpriv.mutex_lock); r8712_set_rpwm(padapter, PS_STATE_S2); - up(&padapter->pwrctrlpriv.lock); + mutex_unlock(&padapter->pwrctrlpriv.mutex_lock); } } r8712_free_cmd_obj(pcmd); @@ -420,7 +420,7 @@ _next: break; r8712_free_cmd_obj(pcmd); } while (1); - up(&pcmdpriv->terminate_cmdthread_sema); + complete(&pcmdpriv->terminate_cmdthread_comp); thread_exit(); } diff --git a/drivers/staging/rtl8712/rtl8712_recv.h b/drivers/staging/rtl8712/rtl8712_recv.h index fd9e3fc4c226..925ec746ea15 100644 --- a/drivers/staging/rtl8712/rtl8712_recv.h +++ b/drivers/staging/rtl8712/rtl8712_recv.h @@ -103,7 +103,6 @@ struct recv_buf { struct _adapter *adapter; struct urb *purb; _pkt *pskb; - u8 reuse; u8 irp_pending; u32 transfer_len; uint len; diff --git a/drivers/staging/rtl8712/rtl871x_cmd.c b/drivers/staging/rtl8712/rtl871x_cmd.c index aed03cfbb1ba..51b6959fc9d8 100644 --- a/drivers/staging/rtl8712/rtl871x_cmd.c +++ b/drivers/staging/rtl8712/rtl871x_cmd.c @@ -51,14 +51,14 @@ #include "mlme_osdep.h" /* -Caller and the r8712_cmd_thread can protect cmd_q by spin_lock. -No irqsave is necessary. -*/ + * Caller and the r8712_cmd_thread can protect cmd_q by spin_lock. + * No irqsave is necessary. + */ static sint _init_cmd_priv(struct cmd_priv *pcmdpriv) { - sema_init(&(pcmdpriv->cmd_queue_sema), 0); - sema_init(&(pcmdpriv->terminate_cmdthread_sema), 0); + init_completion(&pcmdpriv->cmd_queue_comp); + init_completion(&pcmdpriv->terminate_cmdthread_comp); _init_queue(&(pcmdpriv->cmd_queue)); @@ -110,14 +110,14 @@ static void _free_cmd_priv(struct cmd_priv *pcmdpriv) } /* -Calling Context: - -_enqueue_cmd can only be called between kernel thread, -since only spin_lock is used. - -ISR/Call-Back functions can't call this sub-function. - -*/ + * Calling Context: + * + * _enqueue_cmd can only be called between kernel thread, + * since only spin_lock is used. + * + * ISR/Call-Back functions can't call this sub-function. + * + */ static sint _enqueue_cmd(struct __queue *queue, struct cmd_obj *obj) { @@ -172,7 +172,7 @@ u32 r8712_enqueue_cmd(struct cmd_priv *pcmdpriv, struct cmd_obj *obj) if (pcmdpriv->padapter->eeprompriv.bautoload_fail_flag) return _FAIL; res = _enqueue_cmd(&pcmdpriv->cmd_queue, obj); - up(&pcmdpriv->cmd_queue_sema); + complete(&pcmdpriv->cmd_queue_comp); return res; } @@ -189,7 +189,7 @@ u32 r8712_enqueue_cmd_ex(struct cmd_priv *pcmdpriv, struct cmd_obj *obj) spin_lock_irqsave(&queue->lock, irqL); list_add_tail(&obj->list, &queue->queue); spin_unlock_irqrestore(&queue->lock, irqL); - up(&pcmdpriv->cmd_queue_sema); + complete(&pcmdpriv->cmd_queue_comp); return _SUCCESS; } @@ -211,11 +211,11 @@ void r8712_free_cmd_obj(struct cmd_obj *pcmd) } /* -r8712_sitesurvey_cmd(~) - ### NOTE:#### (!!!!) - MUST TAKE CARE THAT BEFORE CALLING THIS FUNC, - YOU SHOULD HAVE LOCKED pmlmepriv->lock -*/ + * r8712_sitesurvey_cmd(~) + * ### NOTE:#### (!!!!) + * MUST TAKE CARE THAT BEFORE CALLING THIS FUNC, + * YOU SHOULD HAVE LOCKED pmlmepriv->lock + */ u8 r8712_sitesurvey_cmd(struct _adapter *padapter, struct ndis_802_11_ssid *pssid) { @@ -491,8 +491,9 @@ u8 r8712_joinbss_cmd(struct _adapter *padapter, struct wlan_network *pnetwork) memcpy(&psecuritypriv->authenticator_ie[1], &psecnetwork->IEs[12], (256 - 1)); psecnetwork->IELength = 0; - /* If the driver wants to use the bssid to create the connection. - * If not, we copy the connecting AP's MAC address to it so that + /* + * If the driver wants to use the bssid to create the connection. + * If not, we copy the connecting AP's MAC address to it so that * the driver just has the bssid information for PMKIDList searching. */ if (!pmlmepriv->assoc_by_bssid) @@ -519,7 +520,8 @@ u8 r8712_joinbss_cmd(struct _adapter *padapter, struct wlan_network *pnetwork) } } if (pregistrypriv->ht_enable) { - /* For WEP mode, we will use the bg mode to do the connection + /* + * For WEP mode, we will use the bg mode to do the connection * to avoid some IOT issues, especially for Realtek 8192u * SoftAP. */ @@ -904,8 +906,10 @@ void r8712_createbss_cmd_callback(struct _adapter *padapter, (r8712_get_wlan_bssid_ex_sz(pnetwork))); if (pmlmepriv->fw_state & _FW_UNDER_LINKING) pmlmepriv->fw_state ^= _FW_UNDER_LINKING; - /* we will set _FW_LINKED when there is one more sat to - * join us (stassoc_event_callback) */ + /* + * we will set _FW_LINKED when there is one more sat to + * join us (stassoc_event_callback) + */ } createbss_cmd_fail: spin_unlock_irqrestore(&pmlmepriv->lock, irqL); diff --git a/drivers/staging/rtl8712/rtl871x_cmd.h b/drivers/staging/rtl8712/rtl871x_cmd.h index e4a2a50c85de..ebd2e1d3e762 100644 --- a/drivers/staging/rtl8712/rtl871x_cmd.h +++ b/drivers/staging/rtl8712/rtl871x_cmd.h @@ -50,8 +50,8 @@ struct cmd_obj { }; struct cmd_priv { - struct semaphore cmd_queue_sema; - struct semaphore terminate_cmdthread_sema; + struct completion cmd_queue_comp; + struct completion terminate_cmdthread_comp; struct __queue cmd_queue; u8 cmd_seq; u8 *cmd_buf; /*shall be non-paged, and 4 bytes aligned*/ diff --git a/drivers/staging/rtl8712/rtl871x_pwrctrl.c b/drivers/staging/rtl8712/rtl871x_pwrctrl.c index bf10d6db50e8..8d7ead636c7a 100644 --- a/drivers/staging/rtl8712/rtl871x_pwrctrl.c +++ b/drivers/staging/rtl8712/rtl871x_pwrctrl.c @@ -103,14 +103,14 @@ void r8712_cpwm_int_hdl(struct _adapter *padapter, if (pwrpriv->cpwm_tog == ((preportpwrstate->state) & 0x80)) return; del_timer(&padapter->pwrctrlpriv.rpwm_check_timer); - _enter_pwrlock(&pwrpriv->lock); + mutex_lock(&pwrpriv->mutex_lock); pwrpriv->cpwm = (preportpwrstate->state) & 0xf; if (pwrpriv->cpwm >= PS_STATE_S2) { if (pwrpriv->alives & CMD_ALIVE) - up(&(pcmdpriv->cmd_queue_sema)); + complete(&(pcmdpriv->cmd_queue_comp)); } pwrpriv->cpwm_tog = (preportpwrstate->state) & 0x80; - up(&pwrpriv->lock); + mutex_unlock(&pwrpriv->mutex_lock); } static inline void register_task_alive(struct pwrctrl_priv *pwrctrl, uint tag) @@ -141,10 +141,10 @@ static void SetPSModeWorkItemCallback(struct work_struct *work) struct _adapter *padapter = container_of(pwrpriv, struct _adapter, pwrctrlpriv); if (!pwrpriv->bSleep) { - _enter_pwrlock(&pwrpriv->lock); + mutex_lock(&pwrpriv->mutex_lock); if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) r8712_set_rpwm(padapter, PS_STATE_S4); - up(&pwrpriv->lock); + mutex_lock(&pwrpriv->mutex_lock); } } @@ -155,11 +155,11 @@ static void rpwm_workitem_callback(struct work_struct *work) struct _adapter *padapter = container_of(pwrpriv, struct _adapter, pwrctrlpriv); if (pwrpriv->cpwm != pwrpriv->rpwm) { - _enter_pwrlock(&pwrpriv->lock); + mutex_lock(&pwrpriv->mutex_lock); r8712_read8(padapter, SDIO_HCPWM); pwrpriv->rpwm_retry = 1; r8712_set_rpwm(padapter, pwrpriv->rpwm); - up(&pwrpriv->lock); + mutex_unlock(&pwrpriv->mutex_lock); } } @@ -175,7 +175,7 @@ void r8712_init_pwrctrl_priv(struct _adapter *padapter) struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv; memset((unsigned char *)pwrctrlpriv, 0, sizeof(struct pwrctrl_priv)); - sema_init(&pwrctrlpriv->lock, 1); + mutex_init(&pwrctrlpriv->mutex_lock); pwrctrlpriv->cpwm = PS_STATE_S4; pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE; pwrctrlpriv->smart_ps = 0; @@ -207,13 +207,13 @@ sint r8712_register_cmd_alive(struct _adapter *padapter) uint res = _SUCCESS; struct pwrctrl_priv *pwrctrl = &padapter->pwrctrlpriv; - _enter_pwrlock(&pwrctrl->lock); + mutex_lock(&pwrctrl->mutex_lock); register_task_alive(pwrctrl, CMD_ALIVE); if (pwrctrl->cpwm < PS_STATE_S2) { r8712_set_rpwm(padapter, PS_STATE_S3); res = _FAIL; } - up(&pwrctrl->lock); + mutex_unlock(&pwrctrl->mutex_lock); return res; } @@ -229,7 +229,7 @@ void r8712_unregister_cmd_alive(struct _adapter *padapter) { struct pwrctrl_priv *pwrctrl = &padapter->pwrctrlpriv; - _enter_pwrlock(&pwrctrl->lock); + mutex_lock(&pwrctrl->mutex_lock); unregister_task_alive(pwrctrl, CMD_ALIVE); if ((pwrctrl->cpwm > PS_STATE_S2) && (pwrctrl->pwr_mode > PS_MODE_ACTIVE)) { @@ -239,5 +239,5 @@ void r8712_unregister_cmd_alive(struct _adapter *padapter) r8712_set_rpwm(padapter, PS_STATE_S0); } } - up(&pwrctrl->lock); + mutex_unlock(&pwrctrl->mutex_lock); } diff --git a/drivers/staging/rtl8712/rtl871x_pwrctrl.h b/drivers/staging/rtl8712/rtl871x_pwrctrl.h index dbfb55523545..231445e75f93 100644 --- a/drivers/staging/rtl8712/rtl871x_pwrctrl.h +++ b/drivers/staging/rtl8712/rtl871x_pwrctrl.h @@ -87,13 +87,8 @@ struct reportpwrstate_parm { unsigned short rsvd; }; -static inline void _enter_pwrlock(struct semaphore *plock) -{ - _down_sema(plock); -} - struct pwrctrl_priv { - struct semaphore lock; + struct mutex mutex_lock; /*volatile*/ u8 rpwm; /* requested power state for fw */ /* fw current power state. updated when 1. read from HCPWM or * 2. driver lowers power level */ diff --git a/drivers/staging/rtl8712/usb_ops_linux.c b/drivers/staging/rtl8712/usb_ops_linux.c index 6f12345709c2..fc6bb0be2a28 100644 --- a/drivers/staging/rtl8712/usb_ops_linux.c +++ b/drivers/staging/rtl8712/usb_ops_linux.c @@ -50,7 +50,7 @@ uint r8712_usb_init_intf_priv(struct intf_priv *pintfpriv) pintfpriv->piorw_urb = usb_alloc_urb(0, GFP_ATOMIC); if (!pintfpriv->piorw_urb) return _FAIL; - sema_init(&(pintfpriv->io_retevt), 0); + init_completion(&pintfpriv->io_retevt_comp); return _SUCCESS; } @@ -163,7 +163,7 @@ static void usb_write_mem_complete(struct urb *purb) else padapter->bSurpriseRemoved = true; } - up(&pintfpriv->io_retevt); + complete(&pintfpriv->io_retevt_comp); } void r8712_usb_write_mem(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem) @@ -187,7 +187,7 @@ void r8712_usb_write_mem(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem) wmem, cnt, usb_write_mem_complete, pio_queue); usb_submit_urb(piorw_urb, GFP_ATOMIC); - _down_sema(&pintfpriv->io_retevt); + wait_for_completion_interruptible(&pintfpriv->io_retevt_comp); } static void r8712_usb_read_port_complete(struct urb *purb) @@ -202,26 +202,23 @@ static void r8712_usb_read_port_complete(struct urb *purb) if (purb->status == 0) { /* SUCCESS */ if ((purb->actual_length > (MAX_RECVBUF_SZ)) || (purb->actual_length < RXDESC_SIZE)) { - precvbuf->reuse = true; r8712_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf); } else { + _pkt *pskb = precvbuf->pskb; + precvbuf->transfer_len = purb->actual_length; pbuf = (uint *)precvbuf->pbuf; isevt = le32_to_cpu(*(pbuf + 1)) & 0x1ff; if ((isevt & 0x1ff) == 0x1ff) { r8712_rxcmd_event_hdl(padapter, pbuf); - precvbuf->reuse = true; + skb_queue_tail(&precvpriv->rx_skb_queue, pskb); r8712_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf); } else { - _pkt *pskb = precvbuf->pskb; - skb_put(pskb, purb->actual_length); skb_queue_tail(&precvpriv->rx_skb_queue, pskb); tasklet_hi_schedule(&precvpriv->recv_tasklet); - precvbuf->pskb = NULL; - precvbuf->reuse = false; r8712_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf); } @@ -241,7 +238,6 @@ static void r8712_usb_read_port_complete(struct urb *purb) } /* Fall through. */ case -EPROTO: - precvbuf->reuse = true; r8712_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf); break; @@ -270,51 +266,43 @@ u32 r8712_usb_read_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem) struct usb_device *pusbd = pdvobj->pusbdev; if (adapter->bDriverStopped || adapter->bSurpriseRemoved || - adapter->pwrctrlpriv.pnp_bstop_trx) + adapter->pwrctrlpriv.pnp_bstop_trx || !precvbuf) return _FAIL; - if (precvbuf->reuse || !precvbuf->pskb) { - precvbuf->pskb = skb_dequeue(&precvpriv->free_recv_skb_queue); - if (precvbuf->pskb != NULL) - precvbuf->reuse = true; + r8712_init_recvbuf(adapter, precvbuf); + /* Try to use skb from the free queue */ + precvbuf->pskb = skb_dequeue(&precvpriv->free_recv_skb_queue); + + if (!precvbuf->pskb) { + precvbuf->pskb = netdev_alloc_skb(adapter->pnetdev, + MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ); + if (!precvbuf->pskb) + return _FAIL; + tmpaddr = (addr_t)precvbuf->pskb->data; + alignment = tmpaddr & (RECVBUFF_ALIGN_SZ - 1); + skb_reserve(precvbuf->pskb, + (RECVBUFF_ALIGN_SZ - alignment)); + precvbuf->phead = precvbuf->pskb->head; + precvbuf->pdata = precvbuf->pskb->data; + precvbuf->ptail = skb_tail_pointer(precvbuf->pskb); + precvbuf->pend = skb_end_pointer(precvbuf->pskb); + precvbuf->pbuf = precvbuf->pskb->data; + } else { /* skb is reused */ + precvbuf->phead = precvbuf->pskb->head; + precvbuf->pdata = precvbuf->pskb->data; + precvbuf->ptail = skb_tail_pointer(precvbuf->pskb); + precvbuf->pend = skb_end_pointer(precvbuf->pskb); + precvbuf->pbuf = precvbuf->pskb->data; } - if (precvbuf != NULL) { - r8712_init_recvbuf(adapter, precvbuf); - /* re-assign for linux based on skb */ - if (!precvbuf->reuse || !precvbuf->pskb) { - precvbuf->pskb = netdev_alloc_skb(adapter->pnetdev, - MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ); - if (!precvbuf->pskb) - return _FAIL; - tmpaddr = (addr_t)precvbuf->pskb->data; - alignment = tmpaddr & (RECVBUFF_ALIGN_SZ - 1); - skb_reserve(precvbuf->pskb, - (RECVBUFF_ALIGN_SZ - alignment)); - precvbuf->phead = precvbuf->pskb->head; - precvbuf->pdata = precvbuf->pskb->data; - precvbuf->ptail = skb_tail_pointer(precvbuf->pskb); - precvbuf->pend = skb_end_pointer(precvbuf->pskb); - precvbuf->pbuf = precvbuf->pskb->data; - } else { /* reuse skb */ - precvbuf->phead = precvbuf->pskb->head; - precvbuf->pdata = precvbuf->pskb->data; - precvbuf->ptail = skb_tail_pointer(precvbuf->pskb); - precvbuf->pend = skb_end_pointer(precvbuf->pskb); - precvbuf->pbuf = precvbuf->pskb->data; - precvbuf->reuse = false; - } - purb = precvbuf->purb; - /* translate DMA FIFO addr to pipehandle */ - pipe = ffaddr2pipehdl(pdvobj, addr); - usb_fill_bulk_urb(purb, pusbd, pipe, - precvbuf->pbuf, MAX_RECVBUF_SZ, - r8712_usb_read_port_complete, - precvbuf); - err = usb_submit_urb(purb, GFP_ATOMIC); - if ((err) && (err != (-EPERM))) - ret = _FAIL; - } else { + purb = precvbuf->purb; + /* translate DMA FIFO addr to pipehandle */ + pipe = ffaddr2pipehdl(pdvobj, addr); + usb_fill_bulk_urb(purb, pusbd, pipe, + precvbuf->pbuf, MAX_RECVBUF_SZ, + r8712_usb_read_port_complete, + precvbuf); + err = usb_submit_urb(purb, GFP_ATOMIC); + if ((err) && (err != (-EPERM))) ret = _FAIL; - } return ret; } diff --git a/drivers/staging/rtl8712/xmit_linux.c b/drivers/staging/rtl8712/xmit_linux.c index 695f9b9fc749..4ee4136b5c28 100644 --- a/drivers/staging/rtl8712/xmit_linux.c +++ b/drivers/staging/rtl8712/xmit_linux.c @@ -31,6 +31,7 @@ #include <linux/usb.h> #include <linux/ip.h> #include <linux/if_ether.h> +#include <linux/kmemleak.h> #include "osdep_service.h" #include "drv_types.h" @@ -91,7 +92,8 @@ void r8712_set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib) } else { /* "When priority processing of data frames is supported, * a STA's SME should send EAPOL-Key frames at the highest - * priority." */ + * priority." + */ if (pattrib->ether_type == 0x888e) UserPriority = 7; @@ -132,6 +134,7 @@ int r8712_xmit_resource_alloc(struct _adapter *padapter, netdev_err(padapter->pnetdev, "pxmitbuf->pxmit_urb[i] == NULL\n"); return _FAIL; } + kmemleak_not_leak(pxmitbuf->pxmit_urb[i]); } return _SUCCESS; } @@ -162,16 +165,16 @@ int r8712_xmit_entry(_pkt *pkt, struct net_device *pnetdev) struct _adapter *padapter = netdev_priv(pnetdev); struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); - if (!r8712_if_up(padapter)) { + if (!r8712_if_up(padapter)) goto _xmit_entry_drop; - } + pxmitframe = r8712_alloc_xmitframe(pxmitpriv); - if (!pxmitframe) { + if (!pxmitframe) goto _xmit_entry_drop; - } - if ((!r8712_update_attrib(padapter, pkt, &pxmitframe->attrib))) { + + if ((!r8712_update_attrib(padapter, pkt, &pxmitframe->attrib))) goto _xmit_entry_drop; - } + padapter->ledpriv.LedControlHandler(padapter, LED_CTL_TX); pxmitframe->pkt = pkt; if (r8712_pre_xmit(padapter, pxmitframe)) { diff --git a/drivers/staging/rtl8723au/core/rtw_ieee80211.c b/drivers/staging/rtl8723au/core/rtw_ieee80211.c index 07a6490a83d6..9fa0ef15ddfa 100644 --- a/drivers/staging/rtl8723au/core/rtw_ieee80211.c +++ b/drivers/staging/rtl8723au/core/rtw_ieee80211.c @@ -65,7 +65,7 @@ static u8 WIFI_OFDMRATES[] = { int rtw_get_bit_value_from_ieee_value23a(u8 val) { - unsigned char dot11_rate_table[]= + unsigned char dot11_rate_table[] = {2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108, 0}; int i = 0; @@ -140,7 +140,7 @@ u8 *rtw_set_ie23a(u8 *pbuf, int index, uint len, const u8 *source, uint *frlen) return pbuf + len + 2; } -inline u8 *rtw_set_ie23a_ch_switch (u8 *buf, u32 *buf_len, u8 ch_switch_mode, +inline u8 *rtw_set_ie23a_ch_switch(u8 *buf, u32 *buf_len, u8 ch_switch_mode, u8 new_ch, u8 ch_switch_cnt) { u8 ie_data[3]; @@ -230,14 +230,14 @@ u8 *rtw_get_ie23a_ex(u8 *in_ie, uint in_len, u8 eid, u8 *oui, u8 oui_len, while (cnt < in_len) { if (eid == in_ie[cnt] && - (!oui || !memcmp(&in_ie[cnt+2], oui, oui_len))) { + (!oui || !memcmp(&in_ie[cnt + 2], oui, oui_len))) { target_ie = &in_ie[cnt]; if (ie) - memcpy(ie, &in_ie[cnt], in_ie[cnt+1]+2); + memcpy(ie, &in_ie[cnt], in_ie[cnt + 1] + 2); if (ielen) - *ielen = in_ie[cnt+1]+2; + *ielen = in_ie[cnt + 1] + 2; break; } else { cnt += in_ie[cnt + 1] + 2; /* goto next */ @@ -331,7 +331,7 @@ uint rtw_get_rateset_len23a(u8 *rateset) { uint i = 0; - while(1) { + while (1) { if (rateset[i] == 0) break; @@ -378,7 +378,7 @@ int rtw_generate_ie23a(struct registry_priv *pregistrypriv) wireless_mode = pregistrypriv->wireless_mode; } - rtw_set_supported_rate23a(pdev_network->SupportedRates, wireless_mode) ; + rtw_set_supported_rate23a(pdev_network->SupportedRates, wireless_mode); rateLen = rtw_get_rateset_len23a(pdev_network->SupportedRates); @@ -533,7 +533,7 @@ int rtw_parse_wpa2_ie23a(const u8 *rsn_ie, int rsn_ie_len, int *group_cipher, return _FAIL; } - if (*rsn_ie != WLAN_EID_RSN || *(rsn_ie+1) != (u8)(rsn_ie_len - 2)) { + if (*rsn_ie != WLAN_EID_RSN || *(rsn_ie + 1) != (u8)(rsn_ie_len - 2)) { return _FAIL; } @@ -791,64 +791,64 @@ u16 rtw_mcs_rate23a(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40, if (rf_type == RF_1T1R) { if (mcs->rx_mask[0] & BIT(7)) - max_rate = (bw_40MHz) ? ((short_GI_40)?1500:1350): - ((short_GI_20)?722:650); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 1500 : 1350) : + ((short_GI_20) ? 722 : 650); else if (mcs->rx_mask[0] & BIT(6)) - max_rate = (bw_40MHz) ? ((short_GI_40)?1350:1215): - ((short_GI_20)?650:585); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 1350 : 1215) : + ((short_GI_20) ? 650 : 585); else if (mcs->rx_mask[0] & BIT(5)) - max_rate = (bw_40MHz) ? ((short_GI_40)?1200:1080): - ((short_GI_20)?578:520); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 1200 : 1080) : + ((short_GI_20) ? 578 : 520); else if (mcs->rx_mask[0] & BIT(4)) - max_rate = (bw_40MHz) ? ((short_GI_40)?900:810): - ((short_GI_20)?433:390); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 900 : 810) : + ((short_GI_20) ? 433 : 390); else if (mcs->rx_mask[0] & BIT(3)) - max_rate = (bw_40MHz) ? ((short_GI_40)?600:540): - ((short_GI_20)?289:260); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 600 : 540) : + ((short_GI_20) ? 289 : 260); else if (mcs->rx_mask[0] & BIT(2)) - max_rate = (bw_40MHz) ? ((short_GI_40)?450:405): - ((short_GI_20)?217:195); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 450 : 405) : + ((short_GI_20) ? 217 : 195); else if (mcs->rx_mask[0] & BIT(1)) - max_rate = (bw_40MHz) ? ((short_GI_40)?300:270): - ((short_GI_20)?144:130); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 300 : 270) : + ((short_GI_20) ? 144 : 130); else if (mcs->rx_mask[0] & BIT(0)) - max_rate = (bw_40MHz) ? ((short_GI_40)?150:135): - ((short_GI_20)?72:65); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 150 : 135) : + ((short_GI_20) ? 72 : 65); } else { if (mcs->rx_mask[1]) { if (mcs->rx_mask[1] & BIT(7)) - max_rate = (bw_40MHz) ? ((short_GI_40)?3000:2700):((short_GI_20)?1444:1300); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 3000 : 2700) : ((short_GI_20) ? 1444 : 1300); else if (mcs->rx_mask[1] & BIT(6)) - max_rate = (bw_40MHz) ? ((short_GI_40)?2700:2430):((short_GI_20)?1300:1170); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 2700 : 2430) : ((short_GI_20) ? 1300 : 1170); else if (mcs->rx_mask[1] & BIT(5)) - max_rate = (bw_40MHz) ? ((short_GI_40)?2400:2160):((short_GI_20)?1156:1040); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 2400 : 2160) : ((short_GI_20) ? 1156 : 1040); else if (mcs->rx_mask[1] & BIT(4)) - max_rate = (bw_40MHz) ? ((short_GI_40)?1800:1620):((short_GI_20)?867:780); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 1800 : 1620) : ((short_GI_20) ? 867 : 780); else if (mcs->rx_mask[1] & BIT(3)) - max_rate = (bw_40MHz) ? ((short_GI_40)?1200:1080):((short_GI_20)?578:520); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 1200 : 1080) : ((short_GI_20) ? 578 : 520); else if (mcs->rx_mask[1] & BIT(2)) - max_rate = (bw_40MHz) ? ((short_GI_40)?900:810):((short_GI_20)?433:390); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 900 : 810) : ((short_GI_20) ? 433 : 390); else if (mcs->rx_mask[1] & BIT(1)) - max_rate = (bw_40MHz) ? ((short_GI_40)?600:540):((short_GI_20)?289:260); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 600 : 540) : ((short_GI_20) ? 289 : 260); else if (mcs->rx_mask[1] & BIT(0)) - max_rate = (bw_40MHz) ? ((short_GI_40)?300:270):((short_GI_20)?144:130); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 300 : 270) : ((short_GI_20) ? 144 : 130); } else { if (mcs->rx_mask[0] & BIT(7)) - max_rate = (bw_40MHz) ? ((short_GI_40)?1500:1350):((short_GI_20)?722:650); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 1500 : 1350) : ((short_GI_20) ? 722 : 650); else if (mcs->rx_mask[0] & BIT(6)) - max_rate = (bw_40MHz) ? ((short_GI_40)?1350:1215):((short_GI_20)?650:585); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 1350 : 1215) : ((short_GI_20) ? 650 : 585); else if (mcs->rx_mask[0] & BIT(5)) - max_rate = (bw_40MHz) ? ((short_GI_40)?1200:1080):((short_GI_20)?578:520); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 1200 : 1080) : ((short_GI_20) ? 578 : 520); else if (mcs->rx_mask[0] & BIT(4)) - max_rate = (bw_40MHz) ? ((short_GI_40)?900:810):((short_GI_20)?433:390); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 900 : 810) : ((short_GI_20) ? 433 : 390); else if (mcs->rx_mask[0] & BIT(3)) - max_rate = (bw_40MHz) ? ((short_GI_40)?600:540):((short_GI_20)?289:260); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 600 : 540) : ((short_GI_20) ? 289 : 260); else if (mcs->rx_mask[0] & BIT(2)) - max_rate = (bw_40MHz) ? ((short_GI_40)?450:405):((short_GI_20)?217:195); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 450 : 405) : ((short_GI_20) ? 217 : 195); else if (mcs->rx_mask[0] & BIT(1)) - max_rate = (bw_40MHz) ? ((short_GI_40)?300:270):((short_GI_20)?144:130); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 300 : 270) : ((short_GI_20) ? 144 : 130); else if (mcs->rx_mask[0] & BIT(0)) - max_rate = (bw_40MHz) ? ((short_GI_40)?150:135):((short_GI_20)?72:65); + max_rate = (bw_40MHz) ? ((short_GI_40) ? 150 : 135) : ((short_GI_20) ? 72 : 65); } } return max_rate; diff --git a/drivers/staging/rtl8723au/core/rtw_pwrctrl.c b/drivers/staging/rtl8723au/core/rtw_pwrctrl.c index 7488a104935b..2d43958f6b3b 100644 --- a/drivers/staging/rtl8723au/core/rtw_pwrctrl.c +++ b/drivers/staging/rtl8723au/core/rtw_pwrctrl.c @@ -14,6 +14,7 @@ ******************************************************************************/ #define _RTW_PWRCTRL_C_ +#include <linux/mutex.h> #include <osdep_service.h> #include <drv_types.h> #include <osdep_intf.h> @@ -27,7 +28,7 @@ void ips_enter23a(struct rtw_adapter *padapter) { struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - down(&pwrpriv->lock); + mutex_lock(&pwrpriv->mutex_lock); pwrpriv->bips_processing = true; @@ -50,7 +51,7 @@ void ips_enter23a(struct rtw_adapter *padapter) } pwrpriv->bips_processing = false; - up(&pwrpriv->lock); + mutex_unlock(&pwrpriv->mutex_lock); } int ips_leave23a(struct rtw_adapter *padapter) @@ -61,7 +62,7 @@ int ips_leave23a(struct rtw_adapter *padapter) int result = _SUCCESS; int keyid; - down(&pwrpriv->lock); + mutex_lock(&pwrpriv->mutex_lock); if (pwrpriv->rf_pwrstate == rf_off && !pwrpriv->bips_processing) { pwrpriv->bips_processing = true; @@ -106,7 +107,7 @@ int ips_leave23a(struct rtw_adapter *padapter) pwrpriv->bpower_saving = false; } - up(&pwrpriv->lock); + mutex_unlock(&pwrpriv->mutex_lock); return result; } @@ -423,7 +424,7 @@ void rtw_init_pwrctrl_priv23a(struct rtw_adapter *padapter) { struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv; - sema_init(&pwrctrlpriv->lock, 1); + mutex_init(&pwrctrlpriv->mutex_lock); pwrctrlpriv->rf_pwrstate = rf_on; pwrctrlpriv->ips_enter23a_cnts = 0; pwrctrlpriv->ips_leave23a_cnts = 0; diff --git a/drivers/staging/rtl8723au/core/rtw_xmit.c b/drivers/staging/rtl8723au/core/rtw_xmit.c index 3de40cfa5f3b..003576d80447 100644 --- a/drivers/staging/rtl8723au/core/rtw_xmit.c +++ b/drivers/staging/rtl8723au/core/rtw_xmit.c @@ -60,8 +60,6 @@ int _rtw_init_xmit_priv23a(struct xmit_priv *pxmitpriv, spin_lock_init(&pxmitpriv->lock); spin_lock_init(&pxmitpriv->lock_sctx); - sema_init(&pxmitpriv->xmit_sema, 0); - sema_init(&pxmitpriv->terminate_xmitthread_sema, 0); pxmitpriv->adapter = padapter; @@ -177,8 +175,6 @@ int _rtw_init_xmit_priv23a(struct xmit_priv *pxmitpriv, for (i = 0; i < 4; i ++) pxmitpriv->wmm_para_seq[i] = i; - sema_init(&pxmitpriv->tx_retevt, 0); - pxmitpriv->ack_tx = false; mutex_init(&pxmitpriv->ack_tx_mutex); rtw_sctx_init23a(&pxmitpriv->ack_tx_ops, 0); diff --git a/drivers/staging/rtl8723au/hal/rtl8723a_bt-coexist.c b/drivers/staging/rtl8723au/hal/rtl8723a_bt-coexist.c index bfcbd7a349cf..47e8d69baebd 100644 --- a/drivers/staging/rtl8723au/hal/rtl8723a_bt-coexist.c +++ b/drivers/staging/rtl8723au/hal/rtl8723a_bt-coexist.c @@ -3530,7 +3530,7 @@ bthci_CmdLinkStatusNotify( pBtMgnt->ExtConfig.linkInfo[i].BTProfile, pBtMgnt->ExtConfig.linkInfo[i].BTCoreSpec)); pTriple += 4; - } else if (pBtMgnt->ExtConfig.HCIExtensionVer >= 1) { + } else { pBtMgnt->ExtConfig.linkInfo[i].ConnectHandle = *((u16 *)&pTriple[0]); pBtMgnt->ExtConfig.linkInfo[i].BTProfile = pTriple[2]; pBtMgnt->ExtConfig.linkInfo[i].BTCoreSpec = pTriple[3]; @@ -9824,7 +9824,7 @@ void BTDM_CheckBTIdleChange1Ant(struct rtw_adapter *padapter) BT_Polling = rtl8723au_read32(padapter, regBTPolling); RTPRINT(FBT, BT_TRACE, ("[DM][BT], BT_Polling(0x%x) =%x\n", regBTPolling, BT_Polling)); - if (BT_Active == 0xffffffff && BT_State == 0xffffffff && BT_Polling == 0xffffffff) + if (BT_Active == 0x00ffffff && BT_State == 0x00ffffff && BT_Polling == 0xffffffff) return; if (BT_Polling == 0) return; diff --git a/drivers/staging/rtl8723au/include/osdep_service.h b/drivers/staging/rtl8723au/include/osdep_service.h index 98250b12e9f2..33ecb9cf4761 100644 --- a/drivers/staging/rtl8723au/include/osdep_service.h +++ b/drivers/staging/rtl8723au/include/osdep_service.h @@ -33,7 +33,6 @@ #include <asm/byteorder.h> #include <linux/atomic.h> #include <linux/io.h> -#include <linux/semaphore.h> #include <linux/sem.h> #include <linux/sched.h> #include <linux/etherdevice.h> diff --git a/drivers/staging/rtl8723au/include/rtw_io.h b/drivers/staging/rtl8723au/include/rtw_io.h index c8119e2c6545..d875e9eddecc 100644 --- a/drivers/staging/rtl8723au/include/rtw_io.h +++ b/drivers/staging/rtl8723au/include/rtw_io.h @@ -20,7 +20,6 @@ #include <osdep_intf.h> #include <asm/byteorder.h> -#include <linux/semaphore.h> #include <linux/list.h> /* include <linux/smp_lock.h> */ #include <linux/spinlock.h> @@ -105,7 +104,6 @@ struct io_req { u32 command; u32 status; u8 *pbuf; - struct semaphore sema; void (*_async_io_callback)(struct rtw_adapter *padater, struct io_req *pio_req, u8 *cnxt); u8 *cnxt; diff --git a/drivers/staging/rtl8723au/include/rtw_pwrctrl.h b/drivers/staging/rtl8723au/include/rtw_pwrctrl.h index 599fed9b365d..699b9f3cc365 100644 --- a/drivers/staging/rtl8723au/include/rtw_pwrctrl.h +++ b/drivers/staging/rtl8723au/include/rtw_pwrctrl.h @@ -15,6 +15,7 @@ #ifndef __RTW_PWRCTRL_H_ #define __RTW_PWRCTRL_H_ +#include <linux/mutex.h> #include <osdep_service.h> #include <drv_types.h> @@ -149,7 +150,7 @@ enum { /* for ips_mode */ }; struct pwrctrl_priv { - struct semaphore lock; + struct mutex mutex_lock; volatile u8 rpwm; /* requested power state for fw */ volatile u8 cpwm; /* fw current power state. updated when 1. * read from HCPWM 2. driver lowers power level diff --git a/drivers/staging/rtl8723au/include/rtw_xmit.h b/drivers/staging/rtl8723au/include/rtw_xmit.h index 2b7d6d08238b..24f326b6bf8c 100644 --- a/drivers/staging/rtl8723au/include/rtw_xmit.h +++ b/drivers/staging/rtl8723au/include/rtw_xmit.h @@ -275,9 +275,6 @@ struct agg_pkt_info { struct xmit_priv { spinlock_t lock; - struct semaphore xmit_sema; - struct semaphore terminate_xmitthread_sema; - struct rtw_queue be_pending; struct rtw_queue bk_pending; struct rtw_queue vi_pending; @@ -310,8 +307,6 @@ struct xmit_priv { * 2->be, 3->bk. */ - struct semaphore tx_retevt;/* all tx return event; */ - struct tasklet_struct xmit_tasklet; struct rtw_queue free_xmitbuf_queue; diff --git a/drivers/staging/rtl8723au/os_dep/usb_intf.c b/drivers/staging/rtl8723au/os_dep/usb_intf.c index cf83efffbffd..fa7dda55201c 100644 --- a/drivers/staging/rtl8723au/os_dep/usb_intf.c +++ b/drivers/staging/rtl8723au/os_dep/usb_intf.c @@ -14,6 +14,7 @@ ******************************************************************************/ #define _HCI_INTF_C_ +#include <linux/mutex.h> #include <osdep_service.h> #include <drv_types.h> #include <recv_osdep.h> @@ -291,7 +292,7 @@ static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message) rtw_cancel_all_timer23a(padapter); LeaveAllPowerSaveMode23a(padapter); - down(&pwrpriv->lock); + mutex_lock(&pwrpriv->mutex_lock); /* padapter->net_closed = true; */ /* s1. */ if (pnetdev) { @@ -321,7 +322,7 @@ static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message) rtw_free_network_queue23a(padapter); rtw_dev_unload(padapter); - up(&pwrpriv->lock); + mutex_unlock(&pwrpriv->mutex_lock); if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) rtw_cfg80211_indicate_scan_done( @@ -353,20 +354,20 @@ static int rtw_resume(struct usb_interface *pusb_intf) pnetdev = padapter->pnetdev; pwrpriv = &padapter->pwrctrlpriv; - down(&pwrpriv->lock); + mutex_lock(&pwrpriv->mutex_lock); rtw_reset_drv_sw23a(padapter); pwrpriv->bkeepfwalive = false; DBG_8723A("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive); if (pm_netdev_open23a(pnetdev, true) != 0) { - up(&pwrpriv->lock); + mutex_unlock(&pwrpriv->mutex_lock); goto exit; } netif_device_attach(pnetdev); netif_carrier_on(pnetdev); - up(&pwrpriv->lock); + mutex_unlock(&pwrpriv->mutex_lock); if (padapter->pid[1] != 0) { DBG_8723A("pid[1]:%d\n", padapter->pid[1]); diff --git a/drivers/staging/rts5208/ms.c b/drivers/staging/rts5208/ms.c index 0f0cd4a03cd4..f927ba66f7ed 100644 --- a/drivers/staging/rts5208/ms.c +++ b/drivers/staging/rts5208/ms.c @@ -1417,7 +1417,6 @@ static int ms_read_status_reg(struct rtsx_chip *chip) return STATUS_SUCCESS; } - static int ms_read_extra_data(struct rtsx_chip *chip, u16 block_addr, u8 page_num, u8 *buf, int buf_len) { @@ -1582,7 +1581,6 @@ static int ms_write_extra_data(struct rtsx_chip *chip, return STATUS_SUCCESS; } - static int ms_read_page(struct rtsx_chip *chip, u16 block_addr, u8 page_num) { struct ms_info *ms_card = &chip->ms_card; @@ -1667,7 +1665,6 @@ static int ms_read_page(struct rtsx_chip *chip, u16 block_addr, u8 page_num) return STATUS_SUCCESS; } - static int ms_set_bad_block(struct rtsx_chip *chip, u16 phy_blk) { struct ms_info *ms_card = &chip->ms_card; @@ -1738,7 +1735,6 @@ static int ms_set_bad_block(struct rtsx_chip *chip, u16 phy_blk) return STATUS_SUCCESS; } - static int ms_erase_block(struct rtsx_chip *chip, u16 phy_blk) { struct ms_info *ms_card = &chip->ms_card; @@ -1808,7 +1804,6 @@ ERASE_RTY: return STATUS_SUCCESS; } - static void ms_set_page_status(u16 log_blk, u8 type, u8 *extra, int extra_len) { if (!extra || (extra_len < MS_EXTRA_SIZE)) @@ -2152,7 +2147,6 @@ static int ms_copy_page(struct rtsx_chip *chip, u16 old_blk, u16 new_blk, return STATUS_SUCCESS; } - static int reset_ms(struct rtsx_chip *chip) { struct ms_info *ms_card = &chip->ms_card; @@ -2809,7 +2803,6 @@ BUILD_FAIL: return STATUS_FAIL; } - int reset_ms_card(struct rtsx_chip *chip) { struct ms_info *ms_card = &chip->ms_card; @@ -2896,7 +2889,6 @@ static int mspro_set_rw_cmd(struct rtsx_chip *chip, return STATUS_SUCCESS; } - void mspro_stop_seq_mode(struct rtsx_chip *chip) { struct ms_info *ms_card = &chip->ms_card; @@ -3312,7 +3304,6 @@ int mspro_format(struct scsi_cmnd *srb, struct rtsx_chip *chip, return STATUS_FAIL; } - static int ms_read_multiple_pages(struct rtsx_chip *chip, u16 phy_blk, u16 log_blk, u8 start_page, u8 end_page, u8 *buf, unsigned int *index, @@ -3719,7 +3710,6 @@ static int ms_write_multiple_pages(struct rtsx_chip *chip, u16 old_blk, return STATUS_SUCCESS; } - static int ms_finish_write(struct rtsx_chip *chip, u16 old_blk, u16 new_blk, u16 log_blk, u8 page_off) { @@ -4082,7 +4072,6 @@ int ms_rw(struct scsi_cmnd *srb, struct rtsx_chip *chip, return retval; } - void ms_free_l2p_tbl(struct rtsx_chip *chip) { struct ms_info *ms_card = &chip->ms_card; @@ -4313,7 +4302,7 @@ int mg_get_local_EKB(struct scsi_cmnd *srb, struct rtsx_chip *chip) if (retval != STATUS_SUCCESS) { set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN); rtsx_trace(chip); - goto GetEKBFinish; + goto free_buffer; } retval = ms_transfer_data(chip, MS_TM_AUTO_READ, PRO_READ_LONG_DATA, @@ -4322,19 +4311,20 @@ int mg_get_local_EKB(struct scsi_cmnd *srb, struct rtsx_chip *chip) set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN); rtsx_clear_ms_error(chip); rtsx_trace(chip); - goto GetEKBFinish; + goto free_buffer; } if (check_ms_err(chip)) { set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN); rtsx_clear_ms_error(chip); rtsx_trace(chip); - return STATUS_FAIL; + retval = STATUS_FAIL; + goto free_buffer; } bufflen = min_t(int, 1052, scsi_bufflen(srb)); rtsx_stor_set_xfer_buf(buf, bufflen, srb); -GetEKBFinish: +free_buffer: kfree(buf); return retval; } @@ -4566,7 +4556,7 @@ int mg_get_ICV(struct scsi_cmnd *srb, struct rtsx_chip *chip) if (retval != STATUS_SUCCESS) { set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); rtsx_trace(chip); - goto GetICVFinish; + goto free_buffer; } retval = ms_transfer_data(chip, MS_TM_AUTO_READ, PRO_READ_LONG_DATA, @@ -4575,19 +4565,20 @@ int mg_get_ICV(struct scsi_cmnd *srb, struct rtsx_chip *chip) set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); rtsx_clear_ms_error(chip); rtsx_trace(chip); - goto GetICVFinish; + goto free_buffer; } if (check_ms_err(chip)) { set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); rtsx_clear_ms_error(chip); rtsx_trace(chip); - return STATUS_FAIL; + retval = STATUS_FAIL; + goto free_buffer; } bufflen = min_t(int, 1028, scsi_bufflen(srb)); rtsx_stor_set_xfer_buf(buf, bufflen, srb); -GetICVFinish: +free_buffer: kfree(buf); return retval; } diff --git a/drivers/staging/rts5208/ms.h b/drivers/staging/rts5208/ms.h index d919170f2720..d7686399df97 100644 --- a/drivers/staging/rts5208/ms.h +++ b/drivers/staging/rts5208/ms.h @@ -125,7 +125,6 @@ #define Pro_CatagoryReg 0x06 #define Pro_ClassReg 0x07 - #define Pro_SystemParm 0x10 #define Pro_DataCount1 0x11 #define Pro_DataCount0 0x12 diff --git a/drivers/staging/rts5208/rtsx.c b/drivers/staging/rts5208/rtsx.c index 25d095a5ade7..d75fa8d0c321 100644 --- a/drivers/staging/rts5208/rtsx.c +++ b/drivers/staging/rts5208/rtsx.c @@ -81,14 +81,16 @@ static int slave_alloc(struct scsi_device *sdev) static int slave_configure(struct scsi_device *sdev) { - /* Scatter-gather buffers (all but the last) must have a length + /* + * Scatter-gather buffers (all but the last) must have a length * divisible by the bulk maxpacket size. Otherwise a data packet * would end up being short, causing a premature end to the data * transfer. Since high-speed bulk pipes have a maxpacket size * of 512, we'll use that as the scsi device queue's DMA alignment * mask. Guaranteeing proper alignment of the first buffer will * have the desired effect because, except at the beginning and - * the end, scatter-gather buffers follow page boundaries. */ + * the end, scatter-gather buffers follow page boundaries. + */ blk_queue_dma_alignment(sdev->request_queue, (512 - 1)); /* Set the SCSI level to at least 2. We'll leave it at 3 if that's @@ -111,7 +113,6 @@ static int slave_configure(struct scsi_device *sdev) return 0; } - /*********************************************************************** * /proc/scsi/ functions ***********************************************************************/ @@ -186,8 +187,10 @@ static int command_abort(struct scsi_cmnd *srb) return SUCCESS; } -/* This invokes the transport reset mechanism to reset the state of the - * device */ +/* + * This invokes the transport reset mechanism to reset the state of the + * device + */ static int device_reset(struct scsi_cmnd *srb) { int result = 0; @@ -209,7 +212,6 @@ static int bus_reset(struct scsi_cmnd *srb) return result < 0 ? FAILED : SUCCESS; } - /* * this defines our host template, with which we'll allocate hosts */ @@ -259,7 +261,6 @@ static struct scsi_host_template rtsx_host_template = { .module = THIS_MODULE }; - static int rtsx_acquire_irq(struct rtsx_dev *dev) { struct rtsx_chip *chip = dev->chip; @@ -282,7 +283,6 @@ static int rtsx_acquire_irq(struct rtsx_dev *dev) return 0; } - int rtsx_read_pci_cfg_byte(u8 bus, u8 dev, u8 func, u8 offset, u8 *val) { struct pci_dev *pdev; @@ -515,7 +515,6 @@ SkipForAbort: complete_and_exit(&dev->control_exit, 0); } - static int rtsx_polling_thread(void *__dev) { struct rtsx_dev *dev = __dev; @@ -625,7 +624,6 @@ Exit: return IRQ_HANDLED; } - /* Release all our dynamic resources */ static void rtsx_release_resources(struct rtsx_dev *dev) { @@ -660,15 +658,19 @@ static void rtsx_release_resources(struct rtsx_dev *dev) kfree(dev->chip); } -/* First stage of disconnect processing: stop all commands and remove - * the host */ +/* + * First stage of disconnect processing: stop all commands and remove + * the host + */ static void quiesce_and_remove_host(struct rtsx_dev *dev) { struct Scsi_Host *host = rtsx_to_host(dev); struct rtsx_chip *chip = dev->chip; - /* Prevent new transfers, stop the current command, and - * interrupt a SCSI-scan or device-reset delay */ + /* + * Prevent new transfers, stop the current command, and + * interrupt a SCSI-scan or device-reset delay + */ mutex_lock(&dev->dev_mutex); scsi_lock(host); rtsx_set_stat(chip, RTSX_STAT_DISCONNECT); @@ -680,9 +682,11 @@ static void quiesce_and_remove_host(struct rtsx_dev *dev) /* Wait some time to let other threads exist */ wait_timeout(100); - /* queuecommand won't accept any new commands and the control + /* + * queuecommand won't accept any new commands and the control * thread won't execute a previously-queued command. If there - * is such a command pending, complete it with an error. */ + * is such a command pending, complete it with an error. + */ mutex_lock(&dev->dev_mutex); if (chip->srb) { chip->srb->result = DID_NO_CONNECT << 16; @@ -702,8 +706,10 @@ static void release_everything(struct rtsx_dev *dev) { rtsx_release_resources(dev); - /* Drop our reference to the host; the SCSI core will free it - * when the refcount becomes 0. */ + /* + * Drop our reference to the host; the SCSI core will free it + * when the refcount becomes 0. + */ scsi_host_put(rtsx_to_host(dev)); } @@ -942,8 +948,10 @@ static int rtsx_probe(struct pci_dev *pci, rtsx_init_chip(dev->chip); - /* set the supported max_lun and max_id for the scsi host - * NOTE: the minimal value of max_id is 1 */ + /* + * set the supported max_lun and max_id for the scsi host + * NOTE: the minimal value of max_id is 1 + */ host->max_id = 1; host->max_lun = dev->chip->max_lun; @@ -994,7 +1002,6 @@ errout: return err; } - static void rtsx_remove(struct pci_dev *pci) { struct rtsx_dev *dev = pci_get_drvdata(pci); diff --git a/drivers/staging/rts5208/rtsx.h b/drivers/staging/rts5208/rtsx.h index 1396263e13e6..2f902d5e1a1d 100644 --- a/drivers/staging/rts5208/rtsx.h +++ b/drivers/staging/rts5208/rtsx.h @@ -77,7 +77,6 @@ do { \ } while (0) #define wait_timeout(msecs) wait_timeout_x(TASK_INTERRUPTIBLE, (msecs)) - #define STATE_TRANS_NONE 0 #define STATE_TRANS_CMD 1 #define STATE_TRANS_BUF 2 @@ -138,6 +137,7 @@ static inline struct Scsi_Host *rtsx_to_host(struct rtsx_dev *dev) { return container_of((void *) dev, struct Scsi_Host, hostdata); } + static inline struct rtsx_dev *host_to_rtsx(struct Scsi_Host *host) { return (struct rtsx_dev *) host->hostdata; diff --git a/drivers/staging/rts5208/rtsx_card.c b/drivers/staging/rts5208/rtsx_card.c index 231833a3045e..9a5cd630d41e 100644 --- a/drivers/staging/rts5208/rtsx_card.c +++ b/drivers/staging/rts5208/rtsx_card.c @@ -1065,7 +1065,6 @@ int card_share_mode(struct rtsx_chip *chip, int card) return STATUS_SUCCESS; } - int select_card(struct rtsx_chip *chip, int card) { int retval; diff --git a/drivers/staging/rts5208/rtsx_chip.h b/drivers/staging/rts5208/rtsx_chip.h index c08164f3247e..79d1df6ff873 100644 --- a/drivers/staging/rts5208/rtsx_chip.h +++ b/drivers/staging/rts5208/rtsx_chip.h @@ -101,7 +101,6 @@ #define TRANSPORT_NO_SENSE 2 /* Command failed, no auto-sense */ #define TRANSPORT_ERROR 3 /* Transport bad (i.e. device dead) */ - /*----------------------------------- Start-Stop-Unit -----------------------------------*/ @@ -228,7 +227,6 @@ #define ASCQ_LOAD_EJCT_ERR 0x00 #define ASCQ_WRITE_PROTECT 0x00 - struct sense_data_t { unsigned char err_code; /* error code */ /* bit7 : valid */ @@ -305,7 +303,6 @@ struct sense_data_t { #define MS_OC_INT_EN (1 << 23) #define SD_OC_INT_EN (1 << 22) - #define READ_REG_CMD 0 #define WRITE_REG_CMD 1 #define CHECK_REG_CMD 2 @@ -313,7 +310,6 @@ struct sense_data_t { #define HOST_TO_DEVICE 0 #define DEVICE_TO_HOST 1 - #define RTSX_RESV_BUF_LEN 4096 #define HOST_CMDS_BUF_LEN 1024 #define HOST_SG_TBL_BUF_LEN (RTSX_RESV_BUF_LEN - HOST_CMDS_BUF_LEN) @@ -332,7 +328,6 @@ struct sense_data_t { #define XD_FREE_TABLE_CNT 1200 #define MS_FREE_TABLE_CNT 512 - /* Bit Operation */ #define SET_BIT(data, idx) ((data) |= 1 << (idx)) #define CLR_BIT(data, idx) ((data) &= ~(1 << (idx))) @@ -618,7 +613,6 @@ struct spi_info { int spi_clock; }; - #ifdef _MSG_TRACE struct trace_msg_t { u16 line; diff --git a/drivers/staging/rts5208/rtsx_scsi.c b/drivers/staging/rts5208/rtsx_scsi.c index d2031044ea34..def53d9ef1a7 100644 --- a/drivers/staging/rts5208/rtsx_scsi.c +++ b/drivers/staging/rts5208/rtsx_scsi.c @@ -558,7 +558,6 @@ static int inquiry(struct scsi_cmnd *srb, struct rtsx_chip *chip) return TRANSPORT_GOOD; } - static int start_stop_unit(struct scsi_cmnd *srb, struct rtsx_chip *chip) { unsigned int lun = SCSI_LUN(srb); @@ -594,7 +593,6 @@ static int start_stop_unit(struct scsi_cmnd *srb, struct rtsx_chip *chip) return TRANSPORT_ERROR; } - static int allow_medium_removal(struct scsi_cmnd *srb, struct rtsx_chip *chip) { int prevent; @@ -613,7 +611,6 @@ static int allow_medium_removal(struct scsi_cmnd *srb, struct rtsx_chip *chip) return TRANSPORT_GOOD; } - static int request_sense(struct scsi_cmnd *srb, struct rtsx_chip *chip) { struct sense_data_t *sense; @@ -1521,7 +1518,7 @@ static int write_host_reg(struct scsi_cmnd *srb, struct rtsx_chip *chip) static int set_variable(struct scsi_cmnd *srb, struct rtsx_chip *chip) { - unsigned lun = SCSI_LUN(srb); + unsigned int lun = SCSI_LUN(srb); if (srb->cmnd[3] == 1) { /* Variable Clock */ @@ -2604,7 +2601,6 @@ static int app_cmd(struct scsi_cmnd *srb, struct rtsx_chip *chip) return result; } - static int read_status(struct scsi_cmnd *srb, struct rtsx_chip *chip) { u8 rtsx_status[16]; diff --git a/drivers/staging/rts5208/rtsx_transport.h b/drivers/staging/rts5208/rtsx_transport.h index 899bc2079dbe..479137398c3d 100644 --- a/drivers/staging/rts5208/rtsx_transport.h +++ b/drivers/staging/rts5208/rtsx_transport.h @@ -38,7 +38,6 @@ void rtsx_stor_get_xfer_buf(unsigned char *buffer, unsigned int buflen, struct scsi_cmnd *srb); void rtsx_invoke_transport(struct scsi_cmnd *srb, struct rtsx_chip *chip); - #define rtsx_init_cmd(chip) ((chip)->ci = 0) void rtsx_add_cmd(struct rtsx_chip *chip, diff --git a/drivers/staging/rts5208/sd.c b/drivers/staging/rts5208/sd.c index 6219e047557e..345313a11af8 100644 --- a/drivers/staging/rts5208/sd.c +++ b/drivers/staging/rts5208/sd.c @@ -1428,7 +1428,6 @@ static int sd_switch_function(struct rtsx_chip *chip, u8 bus_width) continue; } - if (func_to_switch) break; @@ -2975,7 +2974,6 @@ SD_UNLOCK_ENTRY: return STATUS_SUCCESS; } - static int mmc_test_switch_bus(struct rtsx_chip *chip, u8 width) { struct sd_info *sd_card = &(chip->sd_card); @@ -3105,7 +3103,6 @@ static int mmc_test_switch_bus(struct rtsx_chip *chip, u8 width) return SWITCH_FAIL; } - static int mmc_switch_timing_bus(struct rtsx_chip *chip, bool switch_ddr) { struct sd_info *sd_card = &(chip->sd_card); @@ -3230,7 +3227,6 @@ static int mmc_switch_timing_bus(struct rtsx_chip *chip, bool switch_ddr) return STATUS_SUCCESS; } - static int reset_mmc(struct rtsx_chip *chip) { struct sd_info *sd_card = &(chip->sd_card); diff --git a/drivers/staging/rts5208/spi.h b/drivers/staging/rts5208/spi.h index fc824b5d8d59..c8d2beacd9e5 100644 --- a/drivers/staging/rts5208/spi.h +++ b/drivers/staging/rts5208/spi.h @@ -61,5 +61,4 @@ int spi_write_flash(struct scsi_cmnd *srb, struct rtsx_chip *chip); int spi_erase_flash(struct scsi_cmnd *srb, struct rtsx_chip *chip); int spi_write_flash_status(struct scsi_cmnd *srb, struct rtsx_chip *chip); - #endif /* __REALTEK_RTSX_SPI_H */ diff --git a/drivers/staging/rts5208/xd.c b/drivers/staging/rts5208/xd.c index fc1dfe0991d4..126a2dc85b4e 100644 --- a/drivers/staging/rts5208/xd.c +++ b/drivers/staging/rts5208/xd.c @@ -834,7 +834,6 @@ static int xd_check_data_blank(u8 *redunt) != (XD_ECC1_ALL1 | XD_ECC2_ALL1)) return 0; - for (i = 0; i < 4; i++) { if (redunt[RESERVED0 + i] != 0xFF) return 0; @@ -1402,7 +1401,6 @@ static int xd_erase_block(struct rtsx_chip *chip, u32 phy_blk) return STATUS_FAIL; } - static int xd_build_l2p_tbl(struct rtsx_chip *chip, int zone_no) { struct xd_info *xd_card = &(chip->xd_card); @@ -1830,7 +1828,6 @@ static int xd_prepare_write(struct rtsx_chip *chip, return STATUS_SUCCESS; } - static int xd_write_multiple_pages(struct rtsx_chip *chip, u32 old_blk, u32 new_blk, u32 log_blk, u8 start_page, u8 end_page, u8 *buf, unsigned int *index, @@ -2000,7 +1997,6 @@ int xd_rw(struct scsi_cmnd *srb, struct rtsx_chip *chip, return STATUS_FAIL; } - if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) { chip->card_fail |= XD_CARD; set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); diff --git a/drivers/staging/slicoss/slic.h b/drivers/staging/slicoss/slic.h index cc0afeeb68c1..fe1d2cee65b7 100644 --- a/drivers/staging/slicoss/slic.h +++ b/drivers/staging/slicoss/slic.h @@ -351,10 +351,35 @@ struct base_driver { uint cardnuminuse[SLIC_MAX_CARDS]; }; -struct slic_shmem { - volatile u32 isr; - volatile u32 linkstatus; - volatile struct slic_stats inicstats; +struct slic_stats { + /* xmit stats */ + u64 xmit_tcp_bytes; + u64 xmit_tcp_segs; + u64 xmit_bytes; + u64 xmit_collisions; + u64 xmit_unicasts; + u64 xmit_other_error; + u64 xmit_excess_collisions; + /* rcv stats */ + u64 rcv_tcp_bytes; + u64 rcv_tcp_segs; + u64 rcv_bytes; + u64 rcv_unicasts; + u64 rcv_other_error; + u64 rcv_drops; +}; + +struct slic_shmem_data { + u32 isr; + u32 lnkstatus; + struct slic_stats stats; +}; + +struct slic_shmemory { + dma_addr_t isr_phaddr; + dma_addr_t lnkstatus_phaddr; + dma_addr_t stats_phaddr; + struct slic_shmem_data __iomem *shmem_data; }; struct slic_upr { @@ -414,10 +439,9 @@ struct adapter { u32 intrregistered; uint isp_initialized; uint gennumber; - struct slic_shmem *pshmem; + struct slic_shmemory shmem; dma_addr_t phys_shmem; - u32 isrcopy; - __iomem struct slic_regs *slic_regs; + void __iomem *regs; unsigned char state; unsigned char linkstate; unsigned char linkspeed; @@ -487,6 +511,34 @@ struct adapter { struct slicnet_stats slic_stats; }; +static inline u32 slic_read32(struct adapter *adapter, unsigned int reg) +{ + return ioread32(adapter->regs + reg); +} + +static inline void slic_write32(struct adapter *adapter, unsigned int reg, + u32 val) +{ + iowrite32(val, adapter->regs + reg); +} + +static inline void slic_write64(struct adapter *adapter, unsigned int reg, + u32 val, u32 hiaddr) +{ + unsigned long flags; + + spin_lock_irqsave(&adapter->bit64reglock, flags); + slic_write32(adapter, SLIC_REG_ADDR_UPPER, hiaddr); + slic_write32(adapter, reg, val); + mmiowb(); + spin_unlock_irqrestore(&adapter->bit64reglock, flags); +} + +static inline void slic_flush_write(struct adapter *adapter) +{ + ioread32(adapter->regs + SLIC_REG_HOSTID); +} + #define UPDATE_STATS(largestat, newstat, oldstat) \ { \ if ((newstat) < (oldstat)) \ diff --git a/drivers/staging/slicoss/slichw.h b/drivers/staging/slicoss/slichw.h index 9723b4a104f7..49cb91aa02bb 100644 --- a/drivers/staging/slicoss/slichw.h +++ b/drivers/staging/slicoss/slichw.h @@ -289,224 +289,118 @@ struct slic_rspbuf { u32 pad2[4]; }; -struct slic_regs { - u32 slic_reset; /* Reset Register */ - u32 pad0; - - u32 slic_icr; /* Interrupt Control Register */ - u32 pad2; -#define SLIC_ICR 0x0008 - - u32 slic_isp; /* Interrupt status pointer */ - u32 pad1; -#define SLIC_ISP 0x0010 - - u32 slic_isr; /* Interrupt status */ - u32 pad3; -#define SLIC_ISR 0x0018 - - u32 slic_hbar; /* Header buffer address reg */ - u32 pad4; - /* - * 31-8 - phy addr of set of contiguous hdr buffers - * 7-0 - number of buffers passed - * Buffers are 256 bytes long on 256-byte boundaries. - */ -#define SLIC_HBAR 0x0020 -#define SLIC_HBAR_CNT_MSK 0x000000FF - - u32 slic_dbar; /* Data buffer handle & address reg */ - u32 pad5; - - /* 4 sets of registers; Buffers are 2K bytes long 2 per 4K page. */ -#define SLIC_DBAR 0x0028 -#define SLIC_DBAR_SIZE 2048 - - u32 slic_cbar; /* Xmt Cmd buf addr regs.*/ - /* - * 1 per XMT interface - * 31-5 - phy addr of host command buffer - * 4-0 - length of cmd in multiples of 32 bytes - * Buffers are 32 bytes up to 512 bytes long - */ -#define SLIC_CBAR 0x0030 -#define SLIC_CBAR_LEN_MSK 0x0000001F -#define SLIC_CBAR_ALIGN 0x00000020 - - u32 slic_wcs; /* write control store*/ -#define SLIC_WCS 0x0034 -#define SLIC_WCS_START 0x80000000 /*Start the SLIC (Jump to WCS)*/ -#define SLIC_WCS_COMPARE 0x40000000 /* Compare with value in WCS*/ - - u32 slic_rbar; /* Response buffer address reg.*/ - u32 pad7; - /* - * 31-8 - phy addr of set of contiguous response buffers - * 7-0 - number of buffers passed - * Buffers are 32 bytes long on 32-byte boundaries. - */ -#define SLIC_RBAR 0x0038 -#define SLIC_RBAR_CNT_MSK 0x000000FF -#define SLIC_RBAR_SIZE 32 - - u32 slic_stats; /* read statistics (UPR) */ - u32 pad8; -#define SLIC_RSTAT 0x0040 - - u32 slic_rlsr; /* read link status */ - u32 pad9; -#define SLIC_LSTAT 0x0048 - - u32 slic_wmcfg; /* Write Mac Config */ - u32 pad10; -#define SLIC_WMCFG 0x0050 - - u32 slic_wphy; /* Write phy register */ - u32 pad11; -#define SLIC_WPHY 0x0058 - - u32 slic_rcbar; /* Rcv Cmd buf addr reg */ - u32 pad12; -#define SLIC_RCBAR 0x0060 - - u32 slic_rconfig; /* Read SLIC Config*/ - u32 pad13; -#define SLIC_RCONFIG 0x0068 - - u32 slic_intagg; /* Interrupt aggregation time */ - u32 pad14; -#define SLIC_INTAGG 0x0070 - - u32 slic_wxcfg; /* Write XMIT config reg*/ - u32 pad16; -#define SLIC_WXCFG 0x0078 - - u32 slic_wrcfg; /* Write RCV config reg*/ - u32 pad17; -#define SLIC_WRCFG 0x0080 - - u32 slic_wraddral; /* Write rcv addr a low*/ - u32 pad18; -#define SLIC_WRADDRAL 0x0088 - - u32 slic_wraddrah; /* Write rcv addr a high*/ - u32 pad19; -#define SLIC_WRADDRAH 0x0090 - - u32 slic_wraddrbl; /* Write rcv addr b low*/ - u32 pad20; -#define SLIC_WRADDRBL 0x0098 - - u32 slic_wraddrbh; /* Write rcv addr b high*/ - u32 pad21; -#define SLIC_WRADDRBH 0x00a0 - - u32 slic_mcastlow; /* Low bits of mcast mask*/ - u32 pad22; -#define SLIC_MCASTLOW 0x00a8 - - u32 slic_mcasthigh; /* High bits of mcast mask*/ - u32 pad23; -#define SLIC_MCASTHIGH 0x00b0 - - u32 slic_ping; /* Ping the card*/ - u32 pad24; -#define SLIC_PING 0x00b8 - - u32 slic_dump_cmd; /* Dump command */ - u32 pad25; -#define SLIC_DUMP_CMD 0x00c0 - - u32 slic_dump_data; /* Dump data pointer */ - u32 pad26; -#define SLIC_DUMP_DATA 0x00c8 - - u32 slic_pcistatus; /* Read card's pci_status register */ - u32 pad27; -#define SLIC_PCISTATUS 0x00d0 - - u32 slic_wrhostid; /* Write hostid field */ - u32 pad28; -#define SLIC_WRHOSTID 0x00d8 -#define SLIC_RDHOSTID_1GB 0x1554 -#define SLIC_RDHOSTID_2GB 0x1554 - - u32 slic_low_power; /* Put card in a low power state */ - u32 pad29; -#define SLIC_LOW_POWER 0x00e0 - - u32 slic_quiesce; /* force slic into quiescent state - * before soft reset - */ - u32 pad30; -#define SLIC_QUIESCE 0x00e8 - - u32 slic_reset_iface;/* reset interface queues */ - u32 pad31; -#define SLIC_RESET_IFACE 0x00f0 - - u32 slic_addr_upper;/* Bits 63-32 for host i/f addrs */ - u32 pad32; -#define SLIC_ADDR_UPPER 0x00f8 /*Register is only written when it has changed*/ - - u32 slic_hbar64; /* 64 bit Header buffer address reg */ - u32 pad33; -#define SLIC_HBAR64 0x0100 - - u32 slic_dbar64; /* 64 bit Data buffer handle & address reg */ - u32 pad34; -#define SLIC_DBAR64 0x0108 - - u32 slic_cbar64; /* 64 bit Xmt Cmd buf addr regs. */ - u32 pad35; -#define SLIC_CBAR64 0x0110 - - u32 slic_rbar64; /* 64 bit Response buffer address reg.*/ - u32 pad36; -#define SLIC_RBAR64 0x0118 - - u32 slic_rcbar64; /* 64 bit Rcv Cmd buf addr reg*/ - u32 pad37; -#define SLIC_RCBAR64 0x0120 - - u32 slic_stats64; /* read statistics (64 bit UPR) */ - u32 pad38; -#define SLIC_RSTAT64 0x0128 - - u32 slic_rcv_wcs; /*Download Gigabit RCV sequencer ucode*/ - u32 pad39; -#define SLIC_RCV_WCS 0x0130 -#define SLIC_RCVWCS_BEGIN 0x40000000 -#define SLIC_RCVWCS_FINISH 0x80000000 - - u32 slic_wrvlanid; /* Write VlanId field */ - u32 pad40; -#define SLIC_WRVLANID 0x0138 - - u32 slic_read_xf_info; /* Read Transformer info */ - u32 pad41; -#define SLIC_READ_XF_INFO 0x0140 - - u32 slic_write_xf_info; /* Write Transformer info */ - u32 pad42; -#define SLIC_WRITE_XF_INFO 0x0148 - - u32 RSVD1; /* TOE Only */ - u32 pad43; - - u32 RSVD2; /* TOE Only */ - u32 pad44; - - u32 RSVD3; /* TOE Only */ - u32 pad45; - - u32 RSVD4; /* TOE Only */ - u32 pad46; - - u32 slic_ticks_per_sec; /* Write card ticks per second */ - u32 pad47; -#define SLIC_TICKS_PER_SEC 0x0170 -}; +/* Reset Register */ +#define SLIC_REG_RESET 0x0000 +/* Interrupt Control Register */ +#define SLIC_REG_ICR 0x0008 +/* Interrupt status pointer */ +#define SLIC_REG_ISP 0x0010 +/* Interrupt status */ +#define SLIC_REG_ISR 0x0018 +/* + * Header buffer address reg + * 31-8 - phy addr of set of contiguous hdr buffers + * 7-0 - number of buffers passed + * Buffers are 256 bytes long on 256-byte boundaries. + */ +#define SLIC_REG_HBAR 0x0020 +/* + * Data buffer handle & address reg + * 4 sets of registers; Buffers are 2K bytes long 2 per 4K page. + */ +#define SLIC_REG_DBAR 0x0028 +/* + * Xmt Cmd buf addr regs. + * 1 per XMT interface + * 31-5 - phy addr of host command buffer + * 4-0 - length of cmd in multiples of 32 bytes + * Buffers are 32 bytes up to 512 bytes long + */ +#define SLIC_REG_CBAR 0x0030 +/* Write control store */ +#define SLIC_REG_WCS 0x0034 +/* + * Response buffer address reg. + * 31-8 - phy addr of set of contiguous response buffers + * 7-0 - number of buffers passed + * Buffers are 32 bytes long on 32-byte boundaries. + */ +#define SLIC_REG_RBAR 0x0038 +/* Read statistics (UPR) */ +#define SLIC_REG_RSTAT 0x0040 +/* Read link status */ +#define SLIC_REG_LSTAT 0x0048 +/* Write Mac Config */ +#define SLIC_REG_WMCFG 0x0050 +/* Write phy register */ +#define SLIC_REG_WPHY 0x0058 +/* Rcv Cmd buf addr reg */ +#define SLIC_REG_RCBAR 0x0060 +/* Read SLIC Config*/ +#define SLIC_REG_RCONFIG 0x0068 +/* Interrupt aggregation time */ +#define SLIC_REG_INTAGG 0x0070 +/* Write XMIT config reg */ +#define SLIC_REG_WXCFG 0x0078 +/* Write RCV config reg */ +#define SLIC_REG_WRCFG 0x0080 +/* Write rcv addr a low */ +#define SLIC_REG_WRADDRAL 0x0088 +/* Write rcv addr a high */ +#define SLIC_REG_WRADDRAH 0x0090 +/* Write rcv addr b low */ +#define SLIC_REG_WRADDRBL 0x0098 +/* Write rcv addr b high */ +#define SLIC_REG_WRADDRBH 0x00a0 +/* Low bits of mcast mask */ +#define SLIC_REG_MCASTLOW 0x00a8 +/* High bits of mcast mask */ +#define SLIC_REG_MCASTHIGH 0x00b0 +/* Ping the card */ +#define SLIC_REG_PING 0x00b8 +/* Dump command */ +#define SLIC_REG_DUMP_CMD 0x00c0 +/* Dump data pointer */ +#define SLIC_REG_DUMP_DATA 0x00c8 +/* Read card's pci_status register */ +#define SLIC_REG_PCISTATUS 0x00d0 +/* Write hostid field */ +#define SLIC_REG_WRHOSTID 0x00d8 +/* Put card in a low power state */ +#define SLIC_REG_LOW_POWER 0x00e0 +/* Force slic into quiescent state before soft reset */ +#define SLIC_REG_QUIESCE 0x00e8 +/* Reset interface queues */ +#define SLIC_REG_RESET_IFACE 0x00f0 +/* + * Register is only written when it has changed. + * Bits 63-32 for host i/f addrs. + */ +#define SLIC_REG_ADDR_UPPER 0x00f8 +/* 64 bit Header buffer address reg */ +#define SLIC_REG_HBAR64 0x0100 +/* 64 bit Data buffer handle & address reg */ +#define SLIC_REG_DBAR64 0x0108 +/* 64 bit Xmt Cmd buf addr regs. */ +#define SLIC_REG_CBAR64 0x0110 +/* 64 bit Response buffer address reg.*/ +#define SLIC_REG_RBAR64 0x0118 +/* 64 bit Rcv Cmd buf addr reg*/ +#define SLIC_REG_RCBAR64 0x0120 +/* Read statistics (64 bit UPR) */ +#define SLIC_REG_RSTAT64 0x0128 +/* Download Gigabit RCV sequencer ucode */ +#define SLIC_REG_RCV_WCS 0x0130 +/* Write VlanId field */ +#define SLIC_REG_WRVLANID 0x0138 +/* Read Transformer info */ +#define SLIC_REG_READ_XF_INFO 0x0140 +/* Write Transformer info */ +#define SLIC_REG_WRITE_XF_INFO 0x0148 +/* Write card ticks per second */ +#define SLIC_REG_TICKS_PER_SEC 0x0170 + +#define SLIC_REG_HOSTID 0x1554 enum UPR_REQUEST { SLIC_UPR_STATS, @@ -565,85 +459,6 @@ struct slic_pnp_capabilities { struct slicpm_wakeup_capabilities wakeup_capabilities; }; -struct xmt_stats { - u32 xmit_tcp_bytes; - u32 xmit_tcp_segs; - u32 xmit_bytes; - u32 xmit_collisions; - u32 xmit_unicasts; - u32 xmit_other_error; - u32 xmit_excess_collisions; -}; - -struct rcv_stats { - u32 rcv_tcp_bytes; - u32 rcv_tcp_segs; - u32 rcv_bytes; - u32 rcv_unicasts; - u32 rcv_other_error; - u32 rcv_drops; -}; - -struct xmt_statsgb { - u64 xmit_tcp_bytes; - u64 xmit_tcp_segs; - u64 xmit_bytes; - u64 xmit_collisions; - u64 xmit_unicasts; - u64 xmit_other_error; - u64 xmit_excess_collisions; -}; - -struct rcv_statsgb { - u64 rcv_tcp_bytes; - u64 rcv_tcp_segs; - u64 rcv_bytes; - u64 rcv_unicasts; - u64 rcv_other_error; - u64 rcv_drops; -}; - -struct slic_stats { - union { - struct { - struct xmt_stats xmt100; - struct rcv_stats rcv100; - } stats_100; - struct { - struct xmt_statsgb xmtGB; - struct rcv_statsgb rcvGB; - } stats_GB; - } u; -}; - -#define xmit_tcp_segs100 u.stats_100.xmt100.xmit_tcp_segs -#define xmit_tcp_bytes100 u.stats_100.xmt100.xmit_tcp_bytes -#define xmit_bytes100 u.stats_100.xmt100.xmit_bytes -#define xmit_collisions100 u.stats_100.xmt100.xmit_collisions -#define xmit_unicasts100 u.stats_100.xmt100.xmit_unicasts -#define xmit_other_error100 u.stats_100.xmt100.xmit_other_error -#define xmit_excess_collisions100 u.stats_100.xmt100.xmit_excess_collisions -#define rcv_tcp_segs100 u.stats_100.rcv100.rcv_tcp_segs -#define rcv_tcp_bytes100 u.stats_100.rcv100.rcv_tcp_bytes -#define rcv_bytes100 u.stats_100.rcv100.rcv_bytes -#define rcv_unicasts100 u.stats_100.rcv100.rcv_unicasts -#define rcv_other_error100 u.stats_100.rcv100.rcv_other_error -#define rcv_drops100 u.stats_100.rcv100.rcv_drops -#define xmit_tcp_segs_gb u.stats_GB.xmtGB.xmit_tcp_segs -#define xmit_tcp_bytes_gb u.stats_GB.xmtGB.xmit_tcp_bytes -#define xmit_bytes_gb u.stats_GB.xmtGB.xmit_bytes -#define xmit_collisions_gb u.stats_GB.xmtGB.xmit_collisions -#define xmit_unicasts_gb u.stats_GB.xmtGB.xmit_unicasts -#define xmit_other_error_gb u.stats_GB.xmtGB.xmit_other_error -#define xmit_excess_collisions_gb u.stats_GB.xmtGB.xmit_excess_collisions - -#define rcv_tcp_segs_gb u.stats_GB.rcvGB.rcv_tcp_segs -#define rcv_tcp_bytes_gb u.stats_GB.rcvGB.rcv_tcp_bytes -#define rcv_bytes_gb u.stats_GB.rcvGB.rcv_bytes -#define rcv_unicasts_gb u.stats_GB.rcvGB.rcv_unicasts -#define rcv_other_error_gb u.stats_GB.rcvGB.rcv_other_error -#define rcv_drops_gb u.stats_GB.rcvGB.rcv_drops - struct slic_config_mac { u8 macaddrA[6]; }; diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c index ac126d4f3117..21280a3a31bb 100644 --- a/drivers/staging/slicoss/slicoss.c +++ b/drivers/staging/slicoss/slicoss.c @@ -124,31 +124,10 @@ static const struct pci_device_id slic_pci_tbl[] = { { 0 } }; -static struct ethtool_ops slic_ethtool_ops; +static const struct ethtool_ops slic_ethtool_ops; MODULE_DEVICE_TABLE(pci, slic_pci_tbl); -static inline void slic_reg32_write(void __iomem *reg, u32 value, bool flush) -{ - writel(value, reg); - if (flush) - mb(); -} - -static inline void slic_reg64_write(struct adapter *adapter, void __iomem *reg, - u32 value, void __iomem *regh, u32 paddrh, - bool flush) -{ - unsigned long flags; - - spin_lock_irqsave(&adapter->bit64reglock, flags); - writel(paddrh, regh); - writel(value, reg); - if (flush) - mb(); - spin_unlock_irqrestore(&adapter->bit64reglock, flags); -} - static void slic_mcast_set_bit(struct adapter *adapter, char *address) { unsigned char crcpoly; @@ -172,8 +151,6 @@ static void slic_mcast_set_bit(struct adapter *adapter, char *address) static void slic_mcast_set_mask(struct adapter *adapter) { - __iomem struct slic_regs *slic_regs = adapter->slic_regs; - if (adapter->macopts & (MAC_ALLMCAST | MAC_PROMISC)) { /* * Turn on all multicast addresses. We have to do this for @@ -181,18 +158,17 @@ static void slic_mcast_set_mask(struct adapter *adapter) * Microcode from having to keep state about the MAC * configuration. */ - slic_reg32_write(&slic_regs->slic_mcastlow, 0xFFFFFFFF, FLUSH); - slic_reg32_write(&slic_regs->slic_mcasthigh, 0xFFFFFFFF, - FLUSH); + slic_write32(adapter, SLIC_REG_MCASTLOW, 0xFFFFFFFF); + slic_write32(adapter, SLIC_REG_MCASTHIGH, 0xFFFFFFFF); } else { /* * Commit our multicast mast to the SLIC by writing to the * multicast address mask registers */ - slic_reg32_write(&slic_regs->slic_mcastlow, - (u32)(adapter->mcastmask & 0xFFFFFFFF), FLUSH); - slic_reg32_write(&slic_regs->slic_mcasthigh, - (u32)((adapter->mcastmask >> 32) & 0xFFFFFFFF), FLUSH); + slic_write32(adapter, SLIC_REG_MCASTLOW, + (u32)(adapter->mcastmask & 0xFFFFFFFF)); + slic_write32(adapter, SLIC_REG_MCASTHIGH, + (u32)((adapter->mcastmask >> 32) & 0xFFFFFFFF)); } } @@ -208,13 +184,6 @@ static void slic_timer_ping(ulong dev) add_timer(&adapter->pingtimer); } -static void slic_unmap_mmio_space(struct adapter *adapter) -{ - if (adapter->slic_regs) - iounmap(adapter->slic_regs); - adapter->slic_regs = NULL; -} - /* * slic_link_config * @@ -224,7 +193,6 @@ static void slic_unmap_mmio_space(struct adapter *adapter) static void slic_link_config(struct adapter *adapter, u32 linkspeed, u32 linkduplex) { - u32 __iomem *wphy; u32 speed; u32 duplex; u32 phy_config; @@ -239,8 +207,6 @@ static void slic_link_config(struct adapter *adapter, if (linkduplex > LINK_AUTOD) linkduplex = LINK_AUTOD; - wphy = &adapter->slic_regs->slic_wphy; - if ((linkspeed == LINK_AUTOSPEED) || (linkspeed == LINK_1000MB)) { if (adapter->flags & ADAPT_FLAGS_FIBERMEDIA) { /* @@ -252,7 +218,7 @@ static void slic_link_config(struct adapter *adapter, phy_advreg = (MIICR_REG_4 | (PAR_ADV1000XFD)); /* enable PAUSE frames */ phy_advreg |= PAR_ASYMPAUSE_FIBER; - slic_reg32_write(wphy, phy_advreg, FLUSH); + slic_write32(adapter, SLIC_REG_WPHY, phy_advreg); if (linkspeed == LINK_AUTOSPEED) { /* reset phy, enable auto-neg */ @@ -260,14 +226,17 @@ static void slic_link_config(struct adapter *adapter, (MIICR_REG_PCR | (PCR_RESET | PCR_AUTONEG | PCR_AUTONEG_RST)); - slic_reg32_write(wphy, phy_config, FLUSH); + slic_write32(adapter, SLIC_REG_WPHY, + phy_config); } else { /* forced 1000 Mb FD*/ /* * power down phy to break link * this may not work) */ phy_config = (MIICR_REG_PCR | PCR_POWERDOWN); - slic_reg32_write(wphy, phy_config, FLUSH); + slic_write32(adapter, SLIC_REG_WPHY, + phy_config); + slic_flush_write(adapter); /* * wait, Marvell says 1 sec, * try to get away with 10 ms @@ -282,7 +251,8 @@ static void slic_link_config(struct adapter *adapter, (MIICR_REG_PCR | (PCR_RESET | PCR_SPEED_1000 | PCR_DUPLEX_FULL)); - slic_reg32_write(wphy, phy_config, FLUSH); + slic_write32(adapter, SLIC_REG_WPHY, + phy_config); } } else { /* copper gigabit */ @@ -309,10 +279,10 @@ static void slic_link_config(struct adapter *adapter, phy_advreg |= PAR_ASYMPAUSE; /* required by the Cicada PHY */ phy_advreg |= PAR_802_3; - slic_reg32_write(wphy, phy_advreg, FLUSH); + slic_write32(adapter, SLIC_REG_WPHY, phy_advreg); /* advertise FD only @1000 Mb */ phy_gctlreg = (MIICR_REG_9 | (PGC_ADV1000FD)); - slic_reg32_write(wphy, phy_gctlreg, FLUSH); + slic_write32(adapter, SLIC_REG_WPHY, phy_gctlreg); if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) { /* @@ -321,20 +291,23 @@ static void slic_link_config(struct adapter *adapter, */ phy_config = (MIICR_REG_16 | (MRV_REG16_XOVERON)); - slic_reg32_write(wphy, phy_config, FLUSH); + slic_write32(adapter, SLIC_REG_WPHY, + phy_config); /* reset phy, enable auto-neg */ phy_config = (MIICR_REG_PCR | (PCR_RESET | PCR_AUTONEG | PCR_AUTONEG_RST)); - slic_reg32_write(wphy, phy_config, FLUSH); + slic_write32(adapter, SLIC_REG_WPHY, + phy_config); } else { /* it's a Cicada PHY */ /* enable and restart auto-neg (don't reset) */ phy_config = (MIICR_REG_PCR | (PCR_AUTONEG | PCR_AUTONEG_RST)); - slic_reg32_write(wphy, phy_config, FLUSH); + slic_write32(adapter, SLIC_REG_WPHY, + phy_config); } } } else { @@ -354,13 +327,13 @@ static void slic_link_config(struct adapter *adapter, * disable auto crossover */ phy_config = (MIICR_REG_16 | (MRV_REG16_XOVEROFF)); - slic_reg32_write(wphy, phy_config, FLUSH); + slic_write32(adapter, SLIC_REG_WPHY, phy_config); } /* power down phy to break link (this may not work) */ phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN | speed | duplex)); - slic_reg32_write(wphy, phy_config, FLUSH); - + slic_write32(adapter, SLIC_REG_WPHY, phy_config); + slic_flush_write(adapter); /* wait, Marvell says 1 sec, try to get away with 10 ms */ mdelay(10); @@ -372,11 +345,11 @@ static void slic_link_config(struct adapter *adapter, */ phy_config = (MIICR_REG_PCR | (PCR_RESET | speed | duplex)); - slic_reg32_write(wphy, phy_config, FLUSH); + slic_write32(adapter, SLIC_REG_WPHY, phy_config); } else { /* it's a Cicada PHY */ /* disable auto-neg, set speed, powerup */ phy_config = (MIICR_REG_PCR | (speed | duplex)); - slic_reg32_write(wphy, phy_config, FLUSH); + slic_write32(adapter, SLIC_REG_WPHY, phy_config); } } } @@ -386,7 +359,6 @@ static int slic_card_download_gbrcv(struct adapter *adapter) const struct firmware *fw; const char *file = ""; int ret; - __iomem struct slic_regs *slic_regs = adapter->slic_regs; u32 codeaddr; u32 instruction; int index = 0; @@ -427,27 +399,28 @@ static int slic_card_download_gbrcv(struct adapter *adapter) break; } /* start download */ - slic_reg32_write(&slic_regs->slic_rcv_wcs, SLIC_RCVWCS_BEGIN, FLUSH); + slic_write32(adapter, SLIC_REG_RCV_WCS, SLIC_RCVWCS_BEGIN); /* download the rcv sequencer ucode */ for (codeaddr = 0; codeaddr < rcvucodelen; codeaddr++) { /* write out instruction address */ - slic_reg32_write(&slic_regs->slic_rcv_wcs, codeaddr, FLUSH); + slic_write32(adapter, SLIC_REG_RCV_WCS, codeaddr); instruction = *(u32 *)(fw->data + index); index += 4; /* write out the instruction data low addr */ - slic_reg32_write(&slic_regs->slic_rcv_wcs, instruction, FLUSH); + slic_write32(adapter, SLIC_REG_RCV_WCS, instruction); instruction = *(u8 *)(fw->data + index); index++; /* write out the instruction data high addr */ - slic_reg32_write(&slic_regs->slic_rcv_wcs, (u8)instruction, - FLUSH); + slic_write32(adapter, SLIC_REG_RCV_WCS, instruction); } /* download finished */ release_firmware(fw); - slic_reg32_write(&slic_regs->slic_rcv_wcs, SLIC_RCVWCS_FINISH, FLUSH); + slic_write32(adapter, SLIC_REG_RCV_WCS, SLIC_RCVWCS_FINISH); + slic_flush_write(adapter); + return 0; } @@ -462,7 +435,6 @@ static int slic_card_download(struct adapter *adapter) u32 section; int thissectionsize; int codeaddr; - __iomem struct slic_regs *slic_regs = adapter->slic_regs; u32 instruction; u32 baseaddress; u32 i; @@ -506,17 +478,17 @@ static int slic_card_download(struct adapter *adapter) for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) { /* Write out instruction address */ - slic_reg32_write(&slic_regs->slic_wcs, - baseaddress + codeaddr, FLUSH); + slic_write32(adapter, SLIC_REG_WCS, + baseaddress + codeaddr); /* Write out instruction to low addr */ - slic_reg32_write(&slic_regs->slic_wcs, - instruction, FLUSH); + slic_write32(adapter, SLIC_REG_WCS, + instruction); instruction = *(u32 *)(fw->data + index); index += 4; /* Write out instruction to high addr */ - slic_reg32_write(&slic_regs->slic_wcs, - instruction, FLUSH); + slic_write32(adapter, SLIC_REG_WCS, + instruction); instruction = *(u32 *)(fw->data + index); index += 4; } @@ -531,17 +503,15 @@ static int slic_card_download(struct adapter *adapter) for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) { /* Write out instruction address */ - slic_reg32_write(&slic_regs->slic_wcs, - SLIC_WCS_COMPARE | (baseaddress + codeaddr), - FLUSH); + slic_write32(adapter, SLIC_REG_WCS, + SLIC_WCS_COMPARE | (baseaddress + + codeaddr)); /* Write out instruction to low addr */ - slic_reg32_write(&slic_regs->slic_wcs, instruction, - FLUSH); + slic_write32(adapter, SLIC_REG_WCS, instruction); instruction = *(u32 *)(fw->data + index); index += 4; /* Write out instruction to high addr */ - slic_reg32_write(&slic_regs->slic_wcs, instruction, - FLUSH); + slic_write32(adapter, SLIC_REG_WCS, instruction); instruction = *(u32 *)(fw->data + index); index += 4; @@ -550,8 +520,9 @@ static int slic_card_download(struct adapter *adapter) release_firmware(fw); /* Everything OK, kick off the card */ mdelay(10); - slic_reg32_write(&slic_regs->slic_wcs, SLIC_WCS_START, FLUSH); + slic_write32(adapter, SLIC_REG_WCS, SLIC_WCS_START); + slic_flush_write(adapter); /* * stall for 20 ms, long enough for ucode to init card * and reach mainloop @@ -583,19 +554,21 @@ static void slic_adapter_set_hwaddr(struct adapter *adapter) static void slic_intagg_set(struct adapter *adapter, u32 value) { - slic_reg32_write(&adapter->slic_regs->slic_intagg, value, FLUSH); + slic_write32(adapter, SLIC_REG_INTAGG, value); adapter->card->loadlevel_current = value; } static void slic_soft_reset(struct adapter *adapter) { if (adapter->card->state == CARD_UP) { - slic_reg32_write(&adapter->slic_regs->slic_quiesce, 0, FLUSH); + slic_write32(adapter, SLIC_REG_QUIESCE, 0); + slic_flush_write(adapter); mdelay(1); } - slic_reg32_write(&adapter->slic_regs->slic_reset, SLIC_RESET_MAGIC, - FLUSH); + slic_write32(adapter, SLIC_REG_RESET, SLIC_RESET_MAGIC); + slic_flush_write(adapter); + mdelay(1); } @@ -603,17 +576,16 @@ static void slic_mac_address_config(struct adapter *adapter) { u32 value; u32 value2; - __iomem struct slic_regs *slic_regs = adapter->slic_regs; value = ntohl(*(__be32 *)&adapter->currmacaddr[2]); - slic_reg32_write(&slic_regs->slic_wraddral, value, FLUSH); - slic_reg32_write(&slic_regs->slic_wraddrbl, value, FLUSH); + slic_write32(adapter, SLIC_REG_WRADDRAL, value); + slic_write32(adapter, SLIC_REG_WRADDRBL, value); value2 = (u32)((adapter->currmacaddr[0] << 8 | adapter->currmacaddr[1]) & 0xFFFF); - slic_reg32_write(&slic_regs->slic_wraddrah, value2, FLUSH); - slic_reg32_write(&slic_regs->slic_wraddrbh, value2, FLUSH); + slic_write32(adapter, SLIC_REG_WRADDRAH, value2); + slic_write32(adapter, SLIC_REG_WRADDRBH, value2); /* * Write our multicast mask out to the card. This is done @@ -626,7 +598,6 @@ static void slic_mac_address_config(struct adapter *adapter) static void slic_mac_config(struct adapter *adapter) { u32 value; - __iomem struct slic_regs *slic_regs = adapter->slic_regs; /* Setup GMAC gaps */ if (adapter->linkspeed == LINK_1000MB) { @@ -650,7 +621,7 @@ static void slic_mac_config(struct adapter *adapter) } /* write mac config */ - slic_reg32_write(&slic_regs->slic_wmcfg, value, FLUSH); + slic_write32(adapter, SLIC_REG_WMCFG, value); /* setup mac addresses */ slic_mac_address_config(adapter); @@ -660,7 +631,6 @@ static void slic_config_set(struct adapter *adapter, bool linkchange) { u32 value; u32 RcrReset; - __iomem struct slic_regs *slic_regs = adapter->slic_regs; if (linkchange) { /* Setup MAC */ @@ -677,7 +647,7 @@ static void slic_config_set(struct adapter *adapter, bool linkchange) GXCR_XMTEN | /* Enable transmit */ GXCR_PAUSEEN); /* Enable pause */ - slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH); + slic_write32(adapter, SLIC_REG_WXCFG, value); /* Setup rcvcfg last */ value = (RcrReset | /* Reset, if linkchange */ @@ -690,7 +660,7 @@ static void slic_config_set(struct adapter *adapter, bool linkchange) value = (GXCR_RESET | /* Always reset */ GXCR_XMTEN); /* Enable transmit */ - slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH); + slic_write32(adapter, SLIC_REG_WXCFG, value); /* Setup rcvcfg last */ value = (RcrReset | /* Reset, if linkchange */ @@ -707,7 +677,7 @@ static void slic_config_set(struct adapter *adapter, bool linkchange) if (adapter->macopts & MAC_PROMISC) value |= GRCR_RCVALL; - slic_reg32_write(&slic_regs->slic_wrcfg, value, FLUSH); + slic_write32(adapter, SLIC_REG_WRCFG, value); } /* @@ -717,24 +687,23 @@ static void slic_config_clear(struct adapter *adapter) { u32 value; u32 phy_config; - __iomem struct slic_regs *slic_regs = adapter->slic_regs; /* Setup xmtcfg */ value = (GXCR_RESET | /* Always reset */ GXCR_PAUSEEN); /* Enable pause */ - slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH); + slic_write32(adapter, SLIC_REG_WXCFG, value); value = (GRCR_RESET | /* Always reset */ GRCR_CTLEN | /* Enable CTL frames */ GRCR_ADDRAEN | /* Address A enable */ (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT)); - slic_reg32_write(&slic_regs->slic_wrcfg, value, FLUSH); + slic_write32(adapter, SLIC_REG_WRCFG, value); /* power down phy */ phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN)); - slic_reg32_write(&slic_regs->slic_wphy, phy_config, FLUSH); + slic_write32(adapter, SLIC_REG_WPHY, phy_config); } static bool slic_mac_filter(struct adapter *adapter, @@ -810,13 +779,11 @@ static void slic_timer_load_check(ulong cardaddr) { struct sliccard *card = (struct sliccard *)cardaddr; struct adapter *adapter = card->master; - u32 __iomem *intagg; u32 load = card->events; u32 level = 0; if ((adapter) && (adapter->state == ADAPT_UP) && (card->state == CARD_UP) && (slic_global.dynamic_intagg)) { - intagg = &adapter->slic_regs->slic_intagg; if (adapter->devid == SLIC_1GB_DEVICE_ID) { if (adapter->linkspeed == LINK_1000MB) level = 100; @@ -836,7 +803,7 @@ static void slic_timer_load_check(ulong cardaddr) } if (card->loadlevel_current != level) { card->loadlevel_current = level; - slic_reg32_write(intagg, level, FLUSH); + slic_write32(adapter, SLIC_REG_INTAGG, level); } } else { if (load > SLIC_LOAD_5) @@ -853,7 +820,7 @@ static void slic_timer_load_check(ulong cardaddr) level = SLIC_INTAGG_0; if (card->loadlevel_current != level) { card->loadlevel_current = level; - slic_reg32_write(intagg, level, FLUSH); + slic_write32(adapter, SLIC_REG_INTAGG, level); } } } @@ -897,7 +864,6 @@ static int slic_upr_queue_request(struct adapter *adapter, static void slic_upr_start(struct adapter *adapter) { struct slic_upr *upr; - __iomem struct slic_regs *slic_regs = adapter->slic_regs; upr = adapter->upr_list; if (!upr) @@ -909,31 +875,27 @@ static void slic_upr_start(struct adapter *adapter) switch (upr->upr_request) { case SLIC_UPR_STATS: if (upr->upr_data_h == 0) { - slic_reg32_write(&slic_regs->slic_stats, upr->upr_data, - FLUSH); + slic_write32(adapter, SLIC_REG_RSTAT, upr->upr_data); } else { - slic_reg64_write(adapter, &slic_regs->slic_stats64, - upr->upr_data, - &slic_regs->slic_addr_upper, - upr->upr_data_h, FLUSH); + slic_write64(adapter, SLIC_REG_RSTAT64, upr->upr_data, + upr->upr_data_h); } break; case SLIC_UPR_RLSR: - slic_reg64_write(adapter, &slic_regs->slic_rlsr, upr->upr_data, - &slic_regs->slic_addr_upper, upr->upr_data_h, - FLUSH); + slic_write64(adapter, SLIC_REG_LSTAT, upr->upr_data, + upr->upr_data_h); break; case SLIC_UPR_RCONFIG: - slic_reg64_write(adapter, &slic_regs->slic_rconfig, - upr->upr_data, &slic_regs->slic_addr_upper, - upr->upr_data_h, FLUSH); + slic_write64(adapter, SLIC_REG_RCONFIG, upr->upr_data, + upr->upr_data_h); break; case SLIC_UPR_PING: - slic_reg32_write(&slic_regs->slic_ping, 1, FLUSH); + slic_write32(adapter, SLIC_REG_PING, 1); break; } + slic_flush_write(adapter); } static int slic_upr_request(struct adapter *adapter, @@ -961,42 +923,34 @@ err_unlock_irq: static void slic_link_upr_complete(struct adapter *adapter, u32 isr) { - u32 linkstatus = adapter->pshmem->linkstatus; + struct slic_shmemory *sm = &adapter->shmem; + struct slic_shmem_data *sm_data = sm->shmem_data; + u32 lst = sm_data->lnkstatus; uint linkup; unsigned char linkspeed; unsigned char linkduplex; if ((isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) { - struct slic_shmem *pshmem; + dma_addr_t phaddr = sm->lnkstatus_phaddr; - pshmem = (struct slic_shmem *)(unsigned long) - adapter->phys_shmem; -#if BITS_PER_LONG == 64 - slic_upr_queue_request(adapter, - SLIC_UPR_RLSR, - SLIC_GET_ADDR_LOW(&pshmem->linkstatus), - SLIC_GET_ADDR_HIGH(&pshmem->linkstatus), + slic_upr_queue_request(adapter, SLIC_UPR_RLSR, + cpu_to_le32(lower_32_bits(phaddr)), + cpu_to_le32(upper_32_bits(phaddr)), 0, 0); -#else - slic_upr_queue_request(adapter, - SLIC_UPR_RLSR, - (u32)&pshmem->linkstatus, - SLIC_GET_ADDR_HIGH(pshmem), 0, 0); -#endif return; } if (adapter->state != ADAPT_UP) return; - linkup = linkstatus & GIG_LINKUP ? LINK_UP : LINK_DOWN; - if (linkstatus & GIG_SPEED_1000) + linkup = lst & GIG_LINKUP ? LINK_UP : LINK_DOWN; + if (lst & GIG_SPEED_1000) linkspeed = LINK_1000MB; - else if (linkstatus & GIG_SPEED_100) + else if (lst & GIG_SPEED_100) linkspeed = LINK_100MB; else linkspeed = LINK_10MB; - if (linkstatus & GIG_FULLDUPLEX) + if (lst & GIG_FULLDUPLEX) linkduplex = LINK_FULLD; else linkduplex = LINK_HALFD; @@ -1016,6 +970,7 @@ static void slic_link_upr_complete(struct adapter *adapter, u32 isr) /* link has gone from up to down */ if (linkup == LINK_DOWN) { adapter->linkstate = LINK_DOWN; + netif_carrier_off(adapter->netdev); return; } @@ -1027,7 +982,7 @@ static void slic_link_upr_complete(struct adapter *adapter, u32 isr) /* setup the mac */ slic_config_set(adapter, true); adapter->linkstate = LINK_UP; - netif_start_queue(adapter->netdev); + netif_carrier_on(adapter->netdev); } } @@ -1047,81 +1002,65 @@ static void slic_upr_request_complete(struct adapter *adapter, u32 isr) upr->next = NULL; adapter->upr_busy = 0; switch (upr->upr_request) { - case SLIC_UPR_STATS: - { - struct slic_stats *slicstats = - (struct slic_stats *)&adapter->pshmem->inicstats; - struct slic_stats *newstats = slicstats; - struct slic_stats *old = &adapter->inicstats_prev; - struct slicnet_stats *stst = &adapter->slic_stats; - - if (isr & ISR_UPCERR) { - dev_err(&adapter->netdev->dev, - "SLIC_UPR_STATS command failed isr[%x]\n", - isr); - - break; - } - UPDATE_STATS_GB(stst->tcp.xmit_tcp_segs, - newstats->xmit_tcp_segs_gb, - old->xmit_tcp_segs_gb); - - UPDATE_STATS_GB(stst->tcp.xmit_tcp_bytes, - newstats->xmit_tcp_bytes_gb, - old->xmit_tcp_bytes_gb); - - UPDATE_STATS_GB(stst->tcp.rcv_tcp_segs, - newstats->rcv_tcp_segs_gb, - old->rcv_tcp_segs_gb); - - UPDATE_STATS_GB(stst->tcp.rcv_tcp_bytes, - newstats->rcv_tcp_bytes_gb, - old->rcv_tcp_bytes_gb); - - UPDATE_STATS_GB(stst->iface.xmt_bytes, - newstats->xmit_bytes_gb, - old->xmit_bytes_gb); - - UPDATE_STATS_GB(stst->iface.xmt_ucast, - newstats->xmit_unicasts_gb, - old->xmit_unicasts_gb); - - UPDATE_STATS_GB(stst->iface.rcv_bytes, - newstats->rcv_bytes_gb, - old->rcv_bytes_gb); - - UPDATE_STATS_GB(stst->iface.rcv_ucast, - newstats->rcv_unicasts_gb, - old->rcv_unicasts_gb); - - UPDATE_STATS_GB(stst->iface.xmt_errors, - newstats->xmit_collisions_gb, - old->xmit_collisions_gb); - - UPDATE_STATS_GB(stst->iface.xmt_errors, - newstats->xmit_excess_collisions_gb, - old->xmit_excess_collisions_gb); - - UPDATE_STATS_GB(stst->iface.xmt_errors, - newstats->xmit_other_error_gb, - old->xmit_other_error_gb); - - UPDATE_STATS_GB(stst->iface.rcv_errors, - newstats->rcv_other_error_gb, - old->rcv_other_error_gb); - - UPDATE_STATS_GB(stst->iface.rcv_discards, - newstats->rcv_drops_gb, - old->rcv_drops_gb); - - if (newstats->rcv_drops_gb > old->rcv_drops_gb) { - adapter->rcv_drops += - (newstats->rcv_drops_gb - - old->rcv_drops_gb); - } - memcpy(old, newstats, sizeof(struct slic_stats)); + case SLIC_UPR_STATS: { + struct slic_shmemory *sm = &adapter->shmem; + struct slic_shmem_data *sm_data = sm->shmem_data; + struct slic_stats *stats = &sm_data->stats; + struct slic_stats *old = &adapter->inicstats_prev; + struct slicnet_stats *stst = &adapter->slic_stats; + + if (isr & ISR_UPCERR) { + dev_err(&adapter->netdev->dev, + "SLIC_UPR_STATS command failed isr[%x]\n", isr); break; } + + UPDATE_STATS_GB(stst->tcp.xmit_tcp_segs, stats->xmit_tcp_segs, + old->xmit_tcp_segs); + + UPDATE_STATS_GB(stst->tcp.xmit_tcp_bytes, stats->xmit_tcp_bytes, + old->xmit_tcp_bytes); + + UPDATE_STATS_GB(stst->tcp.rcv_tcp_segs, stats->rcv_tcp_segs, + old->rcv_tcp_segs); + + UPDATE_STATS_GB(stst->tcp.rcv_tcp_bytes, stats->rcv_tcp_bytes, + old->rcv_tcp_bytes); + + UPDATE_STATS_GB(stst->iface.xmt_bytes, stats->xmit_bytes, + old->xmit_bytes); + + UPDATE_STATS_GB(stst->iface.xmt_ucast, stats->xmit_unicasts, + old->xmit_unicasts); + + UPDATE_STATS_GB(stst->iface.rcv_bytes, stats->rcv_bytes, + old->rcv_bytes); + + UPDATE_STATS_GB(stst->iface.rcv_ucast, stats->rcv_unicasts, + old->rcv_unicasts); + + UPDATE_STATS_GB(stst->iface.xmt_errors, stats->xmit_collisions, + old->xmit_collisions); + + UPDATE_STATS_GB(stst->iface.xmt_errors, + stats->xmit_excess_collisions, + old->xmit_excess_collisions); + + UPDATE_STATS_GB(stst->iface.xmt_errors, stats->xmit_other_error, + old->xmit_other_error); + + UPDATE_STATS_GB(stst->iface.rcv_errors, stats->rcv_other_error, + old->rcv_other_error); + + UPDATE_STATS_GB(stst->iface.rcv_discards, stats->rcv_drops, + old->rcv_drops); + + if (stats->rcv_drops > old->rcv_drops) + adapter->rcv_drops += (stats->rcv_drops - + old->rcv_drops); + memcpy_fromio(old, stats, sizeof(*stats)); + break; + } case SLIC_UPR_RLSR: slic_link_upr_complete(adapter, isr); break; @@ -1186,7 +1125,6 @@ static int slic_rspqueue_init(struct adapter *adapter) { int i; struct slic_rspqueue *rspq = &adapter->rspqueue; - __iomem struct slic_regs *slic_regs = adapter->slic_regs; u32 paddrh = 0; memset(rspq, 0, sizeof(struct slic_rspqueue)); @@ -1205,14 +1143,12 @@ static int slic_rspqueue_init(struct adapter *adapter) } if (paddrh == 0) { - slic_reg32_write(&slic_regs->slic_rbar, - (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE), - DONT_FLUSH); + slic_write32(adapter, SLIC_REG_RBAR, + rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE); } else { - slic_reg64_write(adapter, &slic_regs->slic_rbar64, - (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE), - &slic_regs->slic_addr_upper, - paddrh, DONT_FLUSH); + slic_write64(adapter, SLIC_REG_RBAR64, + rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE, + paddrh); } } rspq->offset = 0; @@ -1233,9 +1169,9 @@ static struct slic_rspbuf *slic_rspqueue_getnext(struct adapter *adapter) if (++rspq->offset < SLIC_RSPQ_BUFSINPAGE) { rspq->rspbuf++; } else { - slic_reg64_write(adapter, &adapter->slic_regs->slic_rbar64, - (rspq->paddr[rspq->pageindex] | SLIC_RSPQ_BUFSINPAGE), - &adapter->slic_regs->slic_addr_upper, 0, DONT_FLUSH); + slic_write64(adapter, SLIC_REG_RBAR64, + rspq->paddr[rspq->pageindex] | + SLIC_RSPQ_BUFSINPAGE, 0); rspq->pageindex = (rspq->pageindex + 1) % rspq->num_pages; rspq->offset = 0; rspq->rspbuf = (struct slic_rspbuf *) @@ -1569,14 +1505,11 @@ retry_rcvqfill: } #endif if (paddrh == 0) { - slic_reg32_write(&adapter->slic_regs->slic_hbar, - (u32)paddrl, DONT_FLUSH); + slic_write32(adapter, SLIC_REG_HBAR, + (u32)paddrl); } else { - slic_reg64_write(adapter, - &adapter->slic_regs->slic_hbar64, - paddrl, - &adapter->slic_regs->slic_addr_upper, - paddrh, DONT_FLUSH); + slic_write64(adapter, SLIC_REG_HBAR64, paddrl, + paddrh); } if (rcvq->head) rcvq->tail->next = skb; @@ -1699,12 +1632,9 @@ static u32 slic_rcvqueue_reinsert(struct adapter *adapter, struct sk_buff *skb) dev_err(dev, " rcvq->count[%x]\n", rcvq->count); } if (paddrh == 0) { - slic_reg32_write(&adapter->slic_regs->slic_hbar, (u32)paddrl, - DONT_FLUSH); + slic_write32(adapter, SLIC_REG_HBAR, (u32)paddrl); } else { - slic_reg64_write(adapter, &adapter->slic_regs->slic_hbar64, - paddrl, &adapter->slic_regs->slic_addr_upper, - paddrh, DONT_FLUSH); + slic_write64(adapter, SLIC_REG_HBAR64, paddrl, paddrh); } if (rcvq->head) rcvq->tail->next = skb; @@ -1728,26 +1658,18 @@ static u32 slic_rcvqueue_reinsert(struct adapter *adapter, struct sk_buff *skb) static int slic_link_event_handler(struct adapter *adapter) { int status; - struct slic_shmem *pshmem; + struct slic_shmemory *sm = &adapter->shmem; + dma_addr_t phaddr = sm->lnkstatus_phaddr; + if (adapter->state != ADAPT_UP) { /* Adapter is not operational. Ignore. */ return -ENODEV; } - - pshmem = (struct slic_shmem *)(unsigned long)adapter->phys_shmem; - -#if BITS_PER_LONG == 64 - status = slic_upr_request(adapter, - SLIC_UPR_RLSR, - SLIC_GET_ADDR_LOW(&pshmem->linkstatus), - SLIC_GET_ADDR_HIGH(&pshmem->linkstatus), - 0, 0); -#else + /* no 4GB wrap guaranteed */ status = slic_upr_request(adapter, SLIC_UPR_RLSR, - (u32)&pshmem->linkstatus, /* no 4GB wrap guaranteed */ - 0, 0, 0); -#endif + cpu_to_le32(lower_32_bits(phaddr)), + cpu_to_le32(upper_32_bits(phaddr)), 0, 0); return status; } @@ -1757,12 +1679,13 @@ static void slic_init_cleanup(struct adapter *adapter) adapter->intrregistered = 0; free_irq(adapter->netdev->irq, adapter->netdev); } - if (adapter->pshmem) { - pci_free_consistent(adapter->pcidev, - sizeof(struct slic_shmem), - adapter->pshmem, adapter->phys_shmem); - adapter->pshmem = NULL; - adapter->phys_shmem = (dma_addr_t)(unsigned long)NULL; + + if (adapter->shmem.shmem_data) { + struct slic_shmemory *sm = &adapter->shmem; + struct slic_shmem_data *sm_data = sm->shmem_data; + + pci_free_consistent(adapter->pcidev, sizeof(*sm_data), sm_data, + sm->isr_phaddr); } if (adapter->pingtimerset) { @@ -2147,13 +2070,16 @@ static irqreturn_t slic_interrupt(int irq, void *dev_id) { struct net_device *dev = dev_id; struct adapter *adapter = netdev_priv(dev); + struct slic_shmemory *sm = &adapter->shmem; + struct slic_shmem_data *sm_data = sm->shmem_data; u32 isr; - if ((adapter->pshmem) && (adapter->pshmem->isr)) { - slic_reg32_write(&adapter->slic_regs->slic_icr, - ICR_INT_MASK, FLUSH); - isr = adapter->isrcopy = adapter->pshmem->isr; - adapter->pshmem->isr = 0; + if (sm_data->isr) { + slic_write32(adapter, SLIC_REG_ICR, ICR_INT_MASK); + slic_flush_write(adapter); + + isr = sm_data->isr; + sm_data->isr = 0; adapter->num_isrs++; switch (adapter->card->state) { case CARD_UP: @@ -2169,10 +2095,9 @@ static irqreturn_t slic_interrupt(int irq, void *dev_id) break; } - adapter->isrcopy = 0; adapter->all_reg_writes += 2; adapter->isr_reg_writes++; - slic_reg32_write(&adapter->slic_regs->slic_isr, 0, FLUSH); + slic_write32(adapter, SLIC_REG_ISR, 0); } else { adapter->false_interrupts++; } @@ -2224,13 +2149,11 @@ static netdev_tx_t slic_xmit_start(struct sk_buff *skb, struct net_device *dev) } #endif if (hcmd->paddrh == 0) { - slic_reg32_write(&adapter->slic_regs->slic_cbar, - (hcmd->paddrl | hcmd->cmdsize), DONT_FLUSH); + slic_write32(adapter, SLIC_REG_CBAR, (hcmd->paddrl | + hcmd->cmdsize)); } else { - slic_reg64_write(adapter, &adapter->slic_regs->slic_cbar64, - (hcmd->paddrl | hcmd->cmdsize), - &adapter->slic_regs->slic_addr_upper, - hcmd->paddrh, DONT_FLUSH); + slic_write64(adapter, SLIC_REG_CBAR64, + hcmd->paddrl | hcmd->cmdsize, hcmd->paddrh); } xmit_done: return NETDEV_TX_OK; @@ -2290,8 +2213,8 @@ static int slic_if_init(struct adapter *adapter, unsigned long *flags) { struct sliccard *card = adapter->card; struct net_device *dev = adapter->netdev; - __iomem struct slic_regs *slic_regs = adapter->slic_regs; - struct slic_shmem *pshmem; + struct slic_shmemory *sm = &adapter->shmem; + struct slic_shmem_data *sm_data = sm->shmem_data; int rc; /* adapter should be down at this point */ @@ -2335,28 +2258,20 @@ static int slic_if_init(struct adapter *adapter, unsigned long *flags) adapter->queues_initialized = 1; } - slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH); + slic_write32(adapter, SLIC_REG_ICR, ICR_INT_OFF); + slic_flush_write(adapter); mdelay(1); if (!adapter->isp_initialized) { unsigned long flags; - pshmem = (struct slic_shmem *)(unsigned long) - adapter->phys_shmem; - spin_lock_irqsave(&adapter->bit64reglock, flags); - -#if BITS_PER_LONG == 64 - slic_reg32_write(&slic_regs->slic_addr_upper, - SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH); - slic_reg32_write(&slic_regs->slic_isp, - SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH); -#else - slic_reg32_write(&slic_regs->slic_addr_upper, 0, DONT_FLUSH); - slic_reg32_write(&slic_regs->slic_isp, (u32)&pshmem->isr, - FLUSH); -#endif + slic_write32(adapter, SLIC_REG_ADDR_UPPER, + cpu_to_le32(upper_32_bits(sm->isr_phaddr))); + slic_write32(adapter, SLIC_REG_ISP, + cpu_to_le32(lower_32_bits(sm->isr_phaddr))); spin_unlock_irqrestore(&adapter->bit64reglock, flags); + adapter->isp_initialized = 1; } @@ -2383,17 +2298,20 @@ static int slic_if_init(struct adapter *adapter, unsigned long *flags) /* * clear any pending events, then enable interrupts */ - adapter->isrcopy = 0; - adapter->pshmem->isr = 0; - slic_reg32_write(&slic_regs->slic_isr, 0, FLUSH); - slic_reg32_write(&slic_regs->slic_icr, ICR_INT_ON, FLUSH); + sm_data->isr = 0; + slic_write32(adapter, SLIC_REG_ISR, 0); + slic_write32(adapter, SLIC_REG_ICR, ICR_INT_ON); slic_link_config(adapter, LINK_AUTOSPEED, LINK_AUTOD); + slic_flush_write(adapter); + rc = slic_link_event_handler(adapter); if (rc) { /* disable interrupts then clear pending events */ - slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH); - slic_reg32_write(&slic_regs->slic_isr, 0, FLUSH); + slic_write32(adapter, SLIC_REG_ICR, ICR_INT_OFF); + slic_write32(adapter, SLIC_REG_ISR, 0); + slic_flush_write(adapter); + if (adapter->pingtimerset) { del_timer(&adapter->pingtimer); adapter->pingtimerset = 0; @@ -2417,7 +2335,7 @@ static int slic_entry_open(struct net_device *dev) unsigned long flags; int status; - netif_stop_queue(adapter->netdev); + netif_carrier_off(dev); spin_lock_irqsave(&slic_global.driver_lock, flags); if (!adapter->activated) { @@ -2440,6 +2358,9 @@ static int slic_entry_open(struct net_device *dev) spin_unlock: spin_unlock_irqrestore(&slic_global.driver_lock, flags); + + netif_start_queue(adapter->netdev); + return status; } @@ -2463,7 +2384,7 @@ static void slic_entry_remove(struct pci_dev *pcidev) unregister_netdev(dev); slic_adapter_freeresources(adapter); - slic_unmap_mmio_space(adapter); + iounmap(adapter->regs); /* free multicast addresses */ mlist = adapter->mcastaddrs; @@ -2497,7 +2418,6 @@ static int slic_entry_halt(struct net_device *dev) { struct adapter *adapter = netdev_priv(dev); struct sliccard *card = adapter->card; - __iomem struct slic_regs *slic_regs = adapter->slic_regs; unsigned long flags; spin_lock_irqsave(&slic_global.driver_lock, flags); @@ -2507,7 +2427,7 @@ static int slic_entry_halt(struct net_device *dev) adapter->upr_list = NULL; adapter->upr_busy = 0; adapter->devflags_prev = 0; - slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH); + slic_write32(adapter, SLIC_REG_ICR, ICR_INT_OFF); adapter->all_reg_writes++; adapter->icr_reg_writes++; slic_config_clear(adapter); @@ -2517,8 +2437,10 @@ static int slic_entry_halt(struct net_device *dev) adapter->activated = 0; } #ifdef AUTOMATIC_RESET - slic_reg32_write(&slic_regs->slic_reset_iface, 0, FLUSH); + slic_write32(adapter, SLIC_REG_RESET_IFACE, 0); #endif + slic_flush_write(adapter); + /* * Reset the adapter's cmd queues */ @@ -2530,6 +2452,9 @@ static int slic_entry_halt(struct net_device *dev) #endif spin_unlock_irqrestore(&slic_global.driver_lock, flags); + + netif_carrier_off(dev); + return 0; } @@ -2661,14 +2586,14 @@ static void slic_config_pci(struct pci_dev *pcidev) static int slic_card_init(struct sliccard *card, struct adapter *adapter) { - __iomem struct slic_regs *slic_regs = adapter->slic_regs; + struct slic_shmemory *sm = &adapter->shmem; + struct slic_shmem_data *sm_data = sm->shmem_data; struct slic_eeprom *peeprom; struct oslic_eeprom *pOeeprom; dma_addr_t phys_config; u32 phys_configh; u32 phys_configl; u32 i = 0; - struct slic_shmem *pshmem; int status; uint macaddrs = card->card_size; ushort eecodesize; @@ -2706,16 +2631,15 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter) memset(peeprom, 0, sizeof(struct slic_eeprom)); - slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH); + slic_write32(adapter, SLIC_REG_ICR, ICR_INT_OFF); + slic_flush_write(adapter); mdelay(1); - pshmem = (struct slic_shmem *)(unsigned long) - adapter->phys_shmem; spin_lock_irqsave(&adapter->bit64reglock, flags); - slic_reg32_write(&slic_regs->slic_addr_upper, - SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH); - slic_reg32_write(&slic_regs->slic_isp, - SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH); + slic_write32(adapter, SLIC_REG_ADDR_UPPER, + cpu_to_le32(upper_32_bits(sm->isr_phaddr))); + slic_write32(adapter, SLIC_REG_ISP, + cpu_to_le32(lower_32_bits(sm->isr_phaddr))); spin_unlock_irqrestore(&adapter->bit64reglock, flags); status = slic_config_get(adapter, phys_configl, phys_configh); @@ -2726,33 +2650,31 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter) } for (;;) { - if (adapter->pshmem->isr) { - if (adapter->pshmem->isr & ISR_UPC) { - adapter->pshmem->isr = 0; - slic_reg64_write(adapter, - &slic_regs->slic_isp, 0, - &slic_regs->slic_addr_upper, - 0, FLUSH); - slic_reg32_write(&slic_regs->slic_isr, - 0, FLUSH); + if (sm_data->isr) { + if (sm_data->isr & ISR_UPC) { + sm_data->isr = 0; + slic_write64(adapter, SLIC_REG_ISP, 0, + 0); + slic_write32(adapter, SLIC_REG_ISR, 0); + slic_flush_write(adapter); slic_upr_request_complete(adapter, 0); break; } - adapter->pshmem->isr = 0; - slic_reg32_write(&slic_regs->slic_isr, - 0, FLUSH); + sm_data->isr = 0; + slic_write32(adapter, SLIC_REG_ISR, 0); + slic_flush_write(adapter); } else { mdelay(1); i++; if (i > 5000) { dev_err(&adapter->pcidev->dev, "Fetch of config data timed out.\n"); - slic_reg64_write(adapter, - &slic_regs->slic_isp, 0, - &slic_regs->slic_addr_upper, - 0, FLUSH); + slic_write64(adapter, SLIC_REG_ISP, + 0, 0); + slic_flush_write(adapter); + status = -EINVAL; goto card_init_err; } @@ -2830,9 +2752,8 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter) peeprom, phys_config); if (!card->config.EepromValid) { - slic_reg64_write(adapter, &slic_regs->slic_isp, 0, - &slic_regs->slic_addr_upper, - 0, FLUSH); + slic_write64(adapter, SLIC_REG_ISP, 0, 0); + slic_flush_write(adapter); dev_err(&adapter->pcidev->dev, "EEPROM invalid.\n"); return -EINVAL; } @@ -2896,14 +2817,17 @@ static void slic_init_driver(void) } } -static void slic_init_adapter(struct net_device *netdev, - struct pci_dev *pcidev, - const struct pci_device_id *pci_tbl_entry, - void __iomem *memaddr, int chip_idx) +static int slic_init_adapter(struct net_device *netdev, + struct pci_dev *pcidev, + const struct pci_device_id *pci_tbl_entry, + void __iomem *memaddr, int chip_idx) { ushort index; struct slic_handle *pslic_handle; struct adapter *adapter = netdev_priv(netdev); + struct slic_shmemory *sm = &adapter->shmem; + struct slic_shmem_data *sm_data; + dma_addr_t phaddr; /* adapter->pcidev = pcidev;*/ adapter->vendid = pci_tbl_entry->vendor; @@ -2912,7 +2836,7 @@ static void slic_init_adapter(struct net_device *netdev, adapter->busnumber = pcidev->bus->number; adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F); adapter->functionnumber = (pcidev->devfn & 0x7); - adapter->slic_regs = memaddr; + adapter->regs = memaddr; adapter->irq = pcidev->irq; adapter->chipid = chip_idx; adapter->port = 0; @@ -2938,13 +2862,18 @@ static void slic_init_adapter(struct net_device *netdev, pslic_handle->next = adapter->pfree_slic_handles; adapter->pfree_slic_handles = pslic_handle; } - adapter->pshmem = (struct slic_shmem *) - pci_alloc_consistent(adapter->pcidev, - sizeof(struct slic_shmem), - &adapter-> - phys_shmem); - if (adapter->pshmem) - memset(adapter->pshmem, 0, sizeof(struct slic_shmem)); + sm_data = pci_zalloc_consistent(adapter->pcidev, sizeof(*sm_data), + &phaddr); + if (!sm_data) + return -ENOMEM; + + sm->shmem_data = sm_data; + sm->isr_phaddr = phaddr; + sm->lnkstatus_phaddr = phaddr + offsetof(struct slic_shmem_data, + lnkstatus); + sm->stats_phaddr = phaddr + offsetof(struct slic_shmem_data, stats); + + return 0; } static const struct net_device_ops slic_netdev_ops = { @@ -2964,27 +2893,9 @@ static u32 slic_card_locate(struct adapter *adapter) struct sliccard *card = slic_global.slic_card; struct physcard *physcard = slic_global.phys_card; ushort card_hostid; - u16 __iomem *hostid_reg; uint i; - uint rdhostid_offset = 0; - - switch (adapter->devid) { - case SLIC_2GB_DEVICE_ID: - rdhostid_offset = SLIC_RDHOSTID_2GB; - break; - case SLIC_1GB_DEVICE_ID: - rdhostid_offset = SLIC_RDHOSTID_1GB; - break; - default: - return -ENODEV; - } - - hostid_reg = - (u16 __iomem *)(((u8 __iomem *)(adapter->slic_regs)) + - rdhostid_offset); - /* read the 16 bit hostid from SRAM */ - card_hostid = (ushort)readw(hostid_reg); + card_hostid = slic_read32(adapter, SLIC_REG_HOSTID); /* Initialize a new card structure if need be */ if (card_hostid == SLIC_HOSTID_DEFAULT) { @@ -3130,7 +3041,7 @@ static int slic_entry_probe(struct pci_dev *pcidev, mmio_start = pci_resource_start(pcidev, 0); mmio_len = pci_resource_len(pcidev, 0); - memmapped_ioaddr = ioremap(mmio_start, mmio_len); + memmapped_ioaddr = ioremap_nocache(mmio_start, mmio_len); if (!memmapped_ioaddr) { dev_err(&pcidev->dev, "cannot remap MMIO region %lx @ %lx\n", mmio_len, mmio_start); @@ -3142,13 +3053,17 @@ static int slic_entry_probe(struct pci_dev *pcidev, slic_init_driver(); - slic_init_adapter(netdev, - pcidev, pci_tbl_entry, memmapped_ioaddr, cards_found); + err = slic_init_adapter(netdev, pcidev, pci_tbl_entry, memmapped_ioaddr, + cards_found); + if (err) { + dev_err(&pcidev->dev, "failed to init adapter: %i\n", err); + goto err_out_unmap; + } err = slic_card_locate(adapter); if (err) { dev_err(&pcidev->dev, "cannot locate card\n"); - goto err_out_unmap; + goto err_clean_init; } card = adapter->card; @@ -3160,7 +3075,7 @@ static int slic_entry_probe(struct pci_dev *pcidev, err = slic_card_init(card, adapter); if (err) - goto err_out_unmap; + goto err_clean_init; slic_adapter_set_hwaddr(adapter); @@ -3168,17 +3083,21 @@ static int slic_entry_probe(struct pci_dev *pcidev, netdev->irq = adapter->irq; netdev->netdev_ops = &slic_netdev_ops; + netif_carrier_off(netdev); + strcpy(netdev->name, "eth%d"); err = register_netdev(netdev); if (err) { dev_err(&pcidev->dev, "Cannot register net device, aborting.\n"); - goto err_out_unmap; + goto err_clean_init; } cards_found++; return 0; +err_clean_init: + slic_init_cleanup(adapter); err_out_unmap: iounmap(memmapped_ioaddr); err_out_free_netdev: @@ -3209,7 +3128,7 @@ static void __exit slic_module_cleanup(void) pci_unregister_driver(&slic_driver); } -static struct ethtool_ops slic_ethtool_ops = { +static const struct ethtool_ops slic_ethtool_ops = { .get_coalesce = slic_get_coalesce, .set_coalesce = slic_set_coalesce }; diff --git a/drivers/staging/sm750fb/ddk750_chip.c b/drivers/staging/sm750fb/ddk750_chip.c index f80ee776677f..c1356bb501a6 100644 --- a/drivers/staging/sm750fb/ddk750_chip.c +++ b/drivers/staging/sm750fb/ddk750_chip.c @@ -86,13 +86,17 @@ static void setMemoryClock(unsigned int frequency) { unsigned int reg, divisor; - /* Cheok_0509: For SM750LE, the memory clock is fixed. Nothing to set. */ + /* Cheok_0509: For SM750LE, the memory clock is fixed. + * Nothing to set. + */ if (getChipType() == SM750LE) return; if (frequency) { - /* Set the frequency to the maximum frequency that the DDR Memory can take - which is 336MHz. */ + /* + * Set the frequency to the maximum frequency that the DDR Memory can take + * which is 336MHz. + */ if (frequency > MHz(336)) frequency = MHz(336); @@ -133,7 +137,9 @@ static void setMasterClock(unsigned int frequency) { unsigned int reg, divisor; - /* Cheok_0509: For SM750LE, the memory clock is fixed. Nothing to set. */ + /* Cheok_0509: For SM750LE, the memory clock is fixed. + * Nothing to set. + */ if (getChipType() == SM750LE) return; diff --git a/drivers/staging/sm750fb/ddk750_display.c b/drivers/staging/sm750fb/ddk750_display.c index ca4973ee49e4..a040042aabff 100644 --- a/drivers/staging/sm750fb/ddk750_display.c +++ b/drivers/staging/sm750fb/ddk750_display.c @@ -68,8 +68,10 @@ static void waitNextVerticalSync(int ctrl, int delay) if (!ctrl) { /* primary controller */ - /* Do not wait when the Primary PLL is off or display control is already off. - This will prevent the software to wait forever. */ + /* + * Do not wait when the Primary PLL is off or display control is + * already off. This will prevent the software to wait forever. + */ if (!(PEEK32(PANEL_PLL_CTRL) & PLL_CTRL_POWER) || !(PEEK32(PANEL_DISPLAY_CTRL) & DISPLAY_CTRL_TIMING)) { return; @@ -88,9 +90,10 @@ static void waitNextVerticalSync(int ctrl, int delay) } } else { - - /* Do not wait when the Primary PLL is off or display control is already off. - This will prevent the software to wait forever. */ + /* + * Do not wait when the Primary PLL is off or display control is + * already off. This will prevent the software to wait forever. + */ if (!(PEEK32(CRT_PLL_CTRL) & PLL_CTRL_POWER) || !(PEEK32(CRT_DISPLAY_CTRL) & DISPLAY_CTRL_TIMING)) { return; diff --git a/drivers/staging/sm750fb/ddk750_dvi.c b/drivers/staging/sm750fb/ddk750_dvi.c index a4a255007c8d..8252f771ef9e 100644 --- a/drivers/staging/sm750fb/ddk750_dvi.c +++ b/drivers/staging/sm750fb/ddk750_dvi.c @@ -6,9 +6,11 @@ #include "ddk750_sii164.h" -/* This global variable contains all the supported driver and its corresponding - function API. Please set the function pointer to NULL whenever the function - is not supported. */ +/* + * This global variable contains all the supported driver and its corresponding + * function API. Please set the function pointer to NULL whenever the function + * is not supported. + */ static dvi_ctrl_device_t g_dcftSupportedDviController[] = { #ifdef DVI_CTRL_SII164 { diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c index 2daeedd88c30..1de9f81df029 100644 --- a/drivers/staging/sm750fb/sm750_hw.c +++ b/drivers/staging/sm750fb/sm750_hw.c @@ -35,17 +35,17 @@ int hw_sm750_map(struct sm750_dev *sm750_dev, struct pci_dev *pdev) pr_info("mmio phyAddr = %lx\n", sm750_dev->vidreg_start); /* reserve the vidreg space of smi adaptor - * if you do this, u need to add release region code + * if you do this, you need to add release region code * in lynxfb_remove, or memory will not be mapped again * successfully - * */ + */ ret = pci_request_region(pdev, 1, "sm750fb"); if (ret) { pr_err("Can not request PCI regions.\n"); goto exit; } - /* now map mmio and vidmem*/ + /* now map mmio and vidmem */ sm750_dev->pvReg = ioremap_nocache(sm750_dev->vidreg_start, sm750_dev->vidreg_size); if (!sm750_dev->pvReg) { @@ -56,7 +56,6 @@ int hw_sm750_map(struct sm750_dev *sm750_dev, struct pci_dev *pdev) pr_info("mmio virtual addr = %p\n", sm750_dev->pvReg); } - sm750_dev->accel.dprBase = sm750_dev->pvReg + DE_BASE_ADDR_TYPE1; sm750_dev->accel.dpPortBase = sm750_dev->pvReg + DE_PORT_ADDR_TYPE1; @@ -64,10 +63,10 @@ int hw_sm750_map(struct sm750_dev *sm750_dev, struct pci_dev *pdev) sm750_dev->vidmem_start = pci_resource_start(pdev, 0); /* don't use pdev_resource[x].end - resource[x].start to - * calculate the resource size,its only the maximum available - * size but not the actual size,use + * calculate the resource size, it's only the maximum available + * size but not the actual size, using * @ddk750_getVMSize function can be safe. - * */ + */ sm750_dev->vidmem_size = ddk750_getVMSize(); pr_info("video memory phyAddr = %lx, size = %u bytes\n", sm750_dev->vidmem_start, sm750_dev->vidmem_size); @@ -86,8 +85,6 @@ exit: return ret; } - - int hw_sm750_inithw(struct sm750_dev *sm750_dev, struct pci_dev *pdev) { struct init_status *parm; @@ -101,10 +98,10 @@ int hw_sm750_inithw(struct sm750_dev *sm750_dev, struct pci_dev *pdev) if (parm->mem_clk == 0) parm->mem_clk = parm->chip_clk; if (parm->master_clk == 0) - parm->master_clk = parm->chip_clk/3; + parm->master_clk = parm->chip_clk / 3; ddk750_initHw((initchip_param_t *)&sm750_dev->initParm); - /* for sm718,open pci burst */ + /* for sm718, open pci burst */ if (sm750_dev->devid == 0x718) { POKE32(SYSTEM_CTRL, PEEK32(SYSTEM_CTRL) | SYSTEM_CTRL_PCI_BURST); @@ -112,7 +109,7 @@ int hw_sm750_inithw(struct sm750_dev *sm750_dev, struct pci_dev *pdev) if (getChipType() != SM750LE) { unsigned int val; - /* does user need CRT ?*/ + /* does user need CRT? */ if (sm750_dev->nocrt) { POKE32(MISC_CTRL, PEEK32(MISC_CTRL) | MISC_CTRL_DAC_POWER_OFF); @@ -144,19 +141,21 @@ int hw_sm750_inithw(struct sm750_dev *sm750_dev, struct pci_dev *pdev) } POKE32(PANEL_DISPLAY_CTRL, val); } else { - /* for 750LE ,no DVI chip initialization makes Monitor no signal */ - /* Set up GPIO for software I2C to program DVI chip in the - Xilinx SP605 board, in order to have video signal. + /* for 750LE, no DVI chip initialization + * makes Monitor no signal + * + * Set up GPIO for software I2C to program DVI chip in the + * Xilinx SP605 board, in order to have video signal. */ sm750_sw_i2c_init(0, 1); /* Customer may NOT use CH7301 DVI chip, which has to be - initialized differently. - */ + * initialized differently. + */ if (sm750_sw_i2c_read_reg(0xec, 0x4a) == 0x95) { /* The following register values for CH7301 are from - Chrontel app note and our experiment. - */ + * Chrontel app note and our experiment. + */ pr_info("yes,CH7301 DVI chip found\n"); sm750_sw_i2c_write_reg(0xec, 0x1d, 0x16); sm750_sw_i2c_write_reg(0xec, 0x21, 0x9); @@ -173,7 +172,8 @@ int hw_sm750_inithw(struct sm750_dev *sm750_dev, struct pci_dev *pdev) } int hw_sm750_output_setMode(struct lynxfb_output *output, - struct fb_var_screeninfo *var, struct fb_fix_screeninfo *fix) + struct fb_var_screeninfo *var, + struct fb_fix_screeninfo *fix) { int ret; disp_output_t dispSet; @@ -183,7 +183,6 @@ int hw_sm750_output_setMode(struct lynxfb_output *output, dispSet = 0; channel = *output->channel; - if (getChipType() != SM750LE) { if (channel == sm750_primary) { pr_info("primary channel\n"); @@ -198,11 +197,10 @@ int hw_sm750_output_setMode(struct lynxfb_output *output, dispSet |= do_LCD1_SEC; if (output->paths & sm750_crt) dispSet |= do_CRT_SEC; - } ddk750_setLogicalDispOut(dispSet); } else { - /* just open DISPLAY_CONTROL_750LE register bit 3:0*/ + /* just open DISPLAY_CONTROL_750LE register bit 3:0 */ u32 reg; reg = PEEK32(DISPLAY_CONTROL_750LE); @@ -214,7 +212,8 @@ int hw_sm750_output_setMode(struct lynxfb_output *output, return ret; } -int hw_sm750_crtc_checkMode(struct lynxfb_crtc *crtc, struct fb_var_screeninfo *var) +int hw_sm750_crtc_checkMode(struct lynxfb_crtc *crtc, + struct fb_var_screeninfo *var) { struct sm750_dev *sm750_dev; struct lynxfb_par *par = container_of(crtc, struct lynxfb_par, crtc); @@ -233,19 +232,15 @@ int hw_sm750_crtc_checkMode(struct lynxfb_crtc *crtc, struct fb_var_screeninfo * break; default: return -EINVAL; - } return 0; } - -/* - set the controller's mode for @crtc charged with @var and @fix parameters -*/ +/* set the controller's mode for @crtc charged with @var and @fix parameters */ int hw_sm750_crtc_setMode(struct lynxfb_crtc *crtc, - struct fb_var_screeninfo *var, - struct fb_fix_screeninfo *fix) + struct fb_var_screeninfo *var, + struct fb_fix_screeninfo *fix) { int ret, fmt; u32 reg; @@ -254,7 +249,6 @@ int hw_sm750_crtc_setMode(struct lynxfb_crtc *crtc, struct sm750_dev *sm750_dev; struct lynxfb_par *par; - ret = 0; par = container_of(crtc, struct lynxfb_par, crtc); sm750_dev = par->dev; @@ -278,17 +272,22 @@ int hw_sm750_crtc_setMode(struct lynxfb_crtc *crtc, /* set timing */ modparm.pixel_clock = ps_to_hz(var->pixclock); - modparm.vertical_sync_polarity = (var->sync & FB_SYNC_HOR_HIGH_ACT) ? POS:NEG; - modparm.horizontal_sync_polarity = (var->sync & FB_SYNC_VERT_HIGH_ACT) ? POS:NEG; - modparm.clock_phase_polarity = (var->sync & FB_SYNC_COMP_HIGH_ACT) ? POS:NEG; + modparm.vertical_sync_polarity = (var->sync & FB_SYNC_HOR_HIGH_ACT) + ? POS : NEG; + modparm.horizontal_sync_polarity = (var->sync & FB_SYNC_VERT_HIGH_ACT) + ? POS : NEG; + modparm.clock_phase_polarity = (var->sync & FB_SYNC_COMP_HIGH_ACT) + ? POS : NEG; modparm.horizontal_display_end = var->xres; modparm.horizontal_sync_width = var->hsync_len; modparm.horizontal_sync_start = var->xres + var->right_margin; - modparm.horizontal_total = var->xres + var->left_margin + var->right_margin + var->hsync_len; + modparm.horizontal_total = var->xres + var->left_margin + + var->right_margin + var->hsync_len; modparm.vertical_display_end = var->yres; modparm.vertical_sync_height = var->vsync_len; modparm.vertical_sync_start = var->yres + var->lower_margin; - modparm.vertical_total = var->yres + var->upper_margin + var->lower_margin + var->vsync_len; + modparm.vertical_total = var->yres + var->upper_margin + + var->lower_margin + var->vsync_len; /* choose pll */ if (crtc->channel != sm750_secondary) @@ -304,12 +303,14 @@ int hw_sm750_crtc_setMode(struct lynxfb_crtc *crtc, } if (crtc->channel != sm750_secondary) { - /* set pitch, offset ,width,start address ,etc... */ + /* set pitch, offset, width, start address, etc... */ POKE32(PANEL_FB_ADDRESS, crtc->oScreen & PANEL_FB_ADDRESS_ADDRESS_MASK); reg = var->xres * (var->bits_per_pixel >> 3); - /* crtc->channel is not equal to par->index on numeric,be aware of that */ + /* crtc->channel is not equal to par->index on numeric, + * be aware of that + */ reg = ALIGN(reg, crtc->line_pad); reg = (reg << PANEL_FB_WIDTH_WIDTH_SHIFT) & PANEL_FB_WIDTH_WIDTH_MASK; @@ -341,7 +342,9 @@ int hw_sm750_crtc_setMode(struct lynxfb_crtc *crtc, /* not implemented now */ POKE32(CRT_FB_ADDRESS, crtc->oScreen); reg = var->xres * (var->bits_per_pixel >> 3); - /* crtc->channel is not equal to par->index on numeric,be aware of that */ + /* crtc->channel is not equal to par->index on numeric, + * be aware of that + */ reg = ALIGN(reg, crtc->line_pad) << CRT_FB_WIDTH_WIDTH_SHIFT; reg &= CRT_FB_WIDTH_WIDTH_MASK; reg |= (fix->line_length & CRT_FB_WIDTH_OFFSET_MASK); @@ -352,20 +355,19 @@ int hw_sm750_crtc_setMode(struct lynxfb_crtc *crtc, reg |= ((var->bits_per_pixel >> 4) & CRT_DISPLAY_CTRL_FORMAT_MASK); POKE32(CRT_DISPLAY_CTRL, reg); - } - exit: return ret; } int hw_sm750_setColReg(struct lynxfb_crtc *crtc, ushort index, - ushort red, ushort green, ushort blue) + ushort red, ushort green, ushort blue) { static unsigned int add[] = {PANEL_PALETTE_RAM, CRT_PALETTE_RAM}; - POKE32(add[crtc->channel] + index*4, (red<<16)|(green<<8)|blue); + POKE32(add[crtc->channel] + index * 4, + (red << 16) | (green << 8) | blue); return 0; } @@ -414,7 +416,9 @@ int hw_sm750_setBLANK(struct lynxfb_output *output, int blank) { unsigned int dpms, pps, crtdb; - dpms = pps = crtdb = 0; + dpms = 0; + pps = 0; + crtdb = 0; switch (blank) { case FB_BLANK_UNBLANK: @@ -461,7 +465,6 @@ int hw_sm750_setBLANK(struct lynxfb_output *output, int blank) return 0; } - void hw_sm750_initAccel(struct sm750_dev *sm750_dev) { u32 reg; @@ -509,7 +512,6 @@ int hw_sm750le_deWait(void) return -1; } - int hw_sm750_deWait(void) { int i = 0x10000000; @@ -529,8 +531,8 @@ int hw_sm750_deWait(void) } int hw_sm750_pan_display(struct lynxfb_crtc *crtc, - const struct fb_var_screeninfo *var, - const struct fb_info *info) + const struct fb_var_screeninfo *var, + const struct fb_info *info) { uint32_t total; /* check params */ diff --git a/drivers/staging/speakup/devsynth.c b/drivers/staging/speakup/devsynth.c index 84989711ae67..58abd1d85105 100644 --- a/drivers/staging/speakup/devsynth.c +++ b/drivers/staging/speakup/devsynth.c @@ -34,7 +34,7 @@ static ssize_t speakup_file_write(struct file *fp, const char __user *buffer, synth_write(buf, bytes); spin_unlock_irqrestore(&speakup_info.spinlock, flags); } - return (ssize_t) nbytes; + return (ssize_t)nbytes; } static ssize_t speakup_file_read(struct file *fp, char __user *buf, diff --git a/drivers/staging/speakup/synth.c b/drivers/staging/speakup/synth.c index 4f462c35fdd9..810a21408715 100644 --- a/drivers/staging/speakup/synth.c +++ b/drivers/staging/speakup/synth.c @@ -18,7 +18,7 @@ #include "serialio.h" #define MAXSYNTHS 16 /* Max number of synths in array. */ -static struct spk_synth *synths[MAXSYNTHS]; +static struct spk_synth *synths[MAXSYNTHS + 1]; struct spk_synth *synth; char spk_pitch_buff[32] = ""; static int module_status; diff --git a/drivers/staging/unisys/include/guestlinuxdebug.h b/drivers/staging/unisys/include/guestlinuxdebug.h index b81287f5e2c3..5af3f77af7b0 100644 --- a/drivers/staging/unisys/include/guestlinuxdebug.h +++ b/drivers/staging/unisys/include/guestlinuxdebug.h @@ -56,7 +56,7 @@ enum driver_pc { /* POSTCODE driver identifier tuples */ UISLIB_PC = 0xD0, UISLIB_PC_uislib_c = 0xD1, UISLIB_PC_uisqueue_c = 0xD2, - UISLIB_PC_uisthread_c = 0xD3, + /* 0xD3 RESERVED */ UISLIB_PC_uisutils_c = 0xD4, }; @@ -91,7 +91,7 @@ enum event_pc { /* POSTCODE event identifier tuples */ DRIVER_EXIT_PC = 0x0AC, MALLOC_FAILURE_PC = 0x0AD, QUEUE_DELAYED_WORK_PC = 0x0AE, - UISLIB_THREAD_FAILURE_PC = 0x0B7, + /* 0x0B7 RESERVED */ VBUS_CHANNEL_ENTRY_PC = 0x0B8, VBUS_CHANNEL_FAILURE_PC = 0x0B9, VBUS_CHANNEL_EXIT_PC = 0x0BA, diff --git a/drivers/staging/unisys/include/periodic_work.h b/drivers/staging/unisys/include/periodic_work.h deleted file mode 100644 index 0b3335a4b206..000000000000 --- a/drivers/staging/unisys/include/periodic_work.h +++ /dev/null @@ -1,40 +0,0 @@ -/* periodic_work.h - * - * Copyright (C) 2010 - 2013 UNISYS CORPORATION - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for more - * details. - */ - -#ifndef __PERIODIC_WORK_H__ -#define __PERIODIC_WORK_H__ - -#include <linux/seq_file.h> -#include <linux/slab.h> - -/* PERIODIC_WORK an opaque structure to users. - * Fields are declared only in the implementation .c files. - */ -struct periodic_work; - -struct periodic_work * -visor_periodic_work_create(ulong jiffy_interval, - struct workqueue_struct *workqueue, - void (*workfunc)(void *), - void *workfuncarg, - const char *devnam); -void visor_periodic_work_destroy(struct periodic_work *pw); -bool visor_periodic_work_nextperiod(struct periodic_work *pw); -bool visor_periodic_work_start(struct periodic_work *pw); -bool visor_periodic_work_stop(struct periodic_work *pw); - -#endif diff --git a/drivers/staging/unisys/include/visorbus.h b/drivers/staging/unisys/include/visorbus.h index 9baf1ec70d01..c836c8dc3c62 100644 --- a/drivers/staging/unisys/include/visorbus.h +++ b/drivers/staging/unisys/include/visorbus.h @@ -34,8 +34,9 @@ #include <linux/poll.h> #include <linux/kernel.h> #include <linux/uuid.h> +#include <linux/seq_file.h> +#include <linux/slab.h> -#include "periodic_work.h" #include "channel.h" struct visor_driver; @@ -120,33 +121,33 @@ struct visor_driver { /** * struct visor_device - A device type for things "plugged" into the visorbus * bus - * visorchannel: Points to the channel that the device is + * @visorchannel: Points to the channel that the device is * associated with. - * channel_type_guid: Identifies the channel type to the bus driver. - * device: Device struct meant for use by the bus driver + * @channel_type_guid: Identifies the channel type to the bus driver. + * @device: Device struct meant for use by the bus driver * only. - * list_all: Used by the bus driver to enumerate devices. - * periodic_work: Device work queue. Private use by bus driver - * only. - * being_removed: Indicates that the device is being removed from + * @list_all: Used by the bus driver to enumerate devices. + * @timer: Timer fired periodically to do interrupt-type + * activity. + * @being_removed: Indicates that the device is being removed from * the bus. Private bus driver use only. - * visordriver_callback_lock: Used by the bus driver to lock when handling + * @visordriver_callback_lock: Used by the bus driver to lock when handling * channel events. - * pausing: Indicates that a change towards a paused state. + * @pausing: Indicates that a change towards a paused state. * is in progress. Only modified by the bus driver. - * resuming: Indicates that a change towards a running state + * @resuming: Indicates that a change towards a running state * is in progress. Only modified by the bus driver. - * chipset_bus_no: Private field used by the bus driver. - * chipset_dev_no: Private field used the bus driver. - * state: Used to indicate the current state of the + * @chipset_bus_no: Private field used by the bus driver. + * @chipset_dev_no: Private field used the bus driver. + * @state: Used to indicate the current state of the * device. - * inst: Unique GUID for this instance of the device. - * name: Name of the device. - * pending_msg_hdr: For private use by bus driver to respond to + * @inst: Unique GUID for this instance of the device. + * @name: Name of the device. + * @pending_msg_hdr: For private use by bus driver to respond to * hypervisor requests. - * vbus_hdr_info: A pointer to header info. Private use by bus + * @vbus_hdr_info: A pointer to header info. Private use by bus * driver. - * partition_uuid: Indicates client partion id. This should be the + * @partition_uuid: Indicates client partion id. This should be the * same across all visor_devices in the current * guest. Private use by bus driver only. */ @@ -157,9 +158,10 @@ struct visor_device { /* These fields are for private use by the bus driver only. */ struct device device; struct list_head list_all; - struct periodic_work *periodic_work; + struct timer_list timer; + bool timer_active; bool being_removed; - struct semaphore visordriver_callback_lock; + struct mutex visordriver_callback_lock; bool pausing; bool resuming; u32 chipset_bus_no; @@ -174,7 +176,6 @@ struct visor_device { #define to_visor_device(x) container_of(x, struct visor_device, device) -#ifndef STANDALONE_CLIENT int visorbus_register_visor_driver(struct visor_driver *); void visorbus_unregister_visor_driver(struct visor_driver *); int visorbus_read_channel(struct visor_device *dev, @@ -183,50 +184,15 @@ int visorbus_read_channel(struct visor_device *dev, int visorbus_write_channel(struct visor_device *dev, unsigned long offset, void *src, unsigned long nbytes); -int visorbus_clear_channel(struct visor_device *dev, - unsigned long offset, u8 ch, unsigned long nbytes); void visorbus_enable_channel_interrupts(struct visor_device *dev); void visorbus_disable_channel_interrupts(struct visor_device *dev); -#endif -/* Note that for visorchannel_create() - * <channel_bytes> and <guid> arguments may be 0 if we are a channel CLIENT. - * In this case, the values can simply be read from the channel header. - */ -struct visorchannel *visorchannel_create(u64 physaddr, - unsigned long channel_bytes, - gfp_t gfp, uuid_le guid); -struct visorchannel *visorchannel_create_with_lock(u64 physaddr, - unsigned long channel_bytes, - gfp_t gfp, uuid_le guid); -void visorchannel_destroy(struct visorchannel *channel); -int visorchannel_read(struct visorchannel *channel, ulong offset, - void *local, ulong nbytes); -int visorchannel_write(struct visorchannel *channel, ulong offset, - void *local, ulong nbytes); -int visorchannel_clear(struct visorchannel *channel, ulong offset, - u8 ch, ulong nbytes); bool visorchannel_signalremove(struct visorchannel *channel, u32 queue, void *msg); bool visorchannel_signalinsert(struct visorchannel *channel, u32 queue, void *msg); bool visorchannel_signalempty(struct visorchannel *channel, u32 queue); - -int visorchannel_signalqueue_slots_avail(struct visorchannel *channel, - u32 queue); -int visorchannel_signalqueue_max_slots(struct visorchannel *channel, u32 queue); -u64 visorchannel_get_physaddr(struct visorchannel *channel); -ulong visorchannel_get_nbytes(struct visorchannel *channel); -char *visorchannel_id(struct visorchannel *channel, char *s); -char *visorchannel_zoneid(struct visorchannel *channel, char *s); -u64 visorchannel_get_clientpartition(struct visorchannel *channel); -int visorchannel_set_clientpartition(struct visorchannel *channel, - u64 partition_handle); uuid_le visorchannel_get_uuid(struct visorchannel *channel); -char *visorchannel_uuid_id(uuid_le *guid, char *s); -void visorchannel_debug(struct visorchannel *channel, int num_queues, - struct seq_file *seq, u32 off); -void __iomem *visorchannel_get_header(struct visorchannel *channel); #define BUS_ROOT_DEVICE UINT_MAX struct visor_device *visorbus_get_device_by_id(u32 bus_no, u32 dev_no, diff --git a/drivers/staging/unisys/visorbus/Makefile b/drivers/staging/unisys/visorbus/Makefile index fc790e7592fc..f3730d8c953e 100644 --- a/drivers/staging/unisys/visorbus/Makefile +++ b/drivers/staging/unisys/visorbus/Makefile @@ -7,6 +7,5 @@ obj-$(CONFIG_UNISYS_VISORBUS) += visorbus.o visorbus-y := visorbus_main.o visorbus-y += visorchannel.o visorbus-y += visorchipset.o -visorbus-y += periodic_work.o ccflags-y += -Idrivers/staging/unisys/include diff --git a/drivers/staging/unisys/visorbus/periodic_work.c b/drivers/staging/unisys/visorbus/periodic_work.c deleted file mode 100644 index 00b152764f84..000000000000 --- a/drivers/staging/unisys/visorbus/periodic_work.c +++ /dev/null @@ -1,204 +0,0 @@ -/* periodic_work.c - * - * Copyright (C) 2010 - 2015 UNISYS CORPORATION - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for more - * details. - */ - -/* - * Helper functions to schedule periodic work in Linux kernel mode. - */ -#include <linux/sched.h> - -#include "periodic_work.h" - -#define MYDRVNAME "periodic_work" - -struct periodic_work { - rwlock_t lock; - struct delayed_work work; - void (*workfunc)(void *); - void *workfuncarg; - bool is_scheduled; - bool want_to_stop; - ulong jiffy_interval; - struct workqueue_struct *workqueue; - const char *devnam; -}; - -static void periodic_work_func(struct work_struct *work) -{ - struct periodic_work *pw; - - pw = container_of(work, struct periodic_work, work.work); - (*pw->workfunc)(pw->workfuncarg); -} - -struct periodic_work -*visor_periodic_work_create(ulong jiffy_interval, - struct workqueue_struct *workqueue, - void (*workfunc)(void *), - void *workfuncarg, - const char *devnam) -{ - struct periodic_work *pw; - - pw = kzalloc(sizeof(*pw), GFP_KERNEL | __GFP_NORETRY); - if (!pw) - return NULL; - - rwlock_init(&pw->lock); - pw->jiffy_interval = jiffy_interval; - pw->workqueue = workqueue; - pw->workfunc = workfunc; - pw->workfuncarg = workfuncarg; - pw->devnam = devnam; - return pw; -} -EXPORT_SYMBOL_GPL(visor_periodic_work_create); - -void visor_periodic_work_destroy(struct periodic_work *pw) -{ - kfree(pw); -} -EXPORT_SYMBOL_GPL(visor_periodic_work_destroy); - -/** Call this from your periodic work worker function to schedule the next - * call. - * If this function returns false, there was a failure and the - * periodic work is no longer scheduled - */ -bool visor_periodic_work_nextperiod(struct periodic_work *pw) -{ - bool rc = false; - - write_lock(&pw->lock); - if (pw->want_to_stop) { - pw->is_scheduled = false; - pw->want_to_stop = false; - rc = true; /* yes, true; see visor_periodic_work_stop() */ - goto unlock; - } else if (!queue_delayed_work(pw->workqueue, &pw->work, - pw->jiffy_interval)) { - pw->is_scheduled = false; - rc = false; - goto unlock; - } - rc = true; -unlock: - write_unlock(&pw->lock); - return rc; -} -EXPORT_SYMBOL_GPL(visor_periodic_work_nextperiod); - -/** This function returns true iff new periodic work was actually started. - * If this function returns false, then no work was started - * (either because it was already started, or because of a failure). - */ -bool visor_periodic_work_start(struct periodic_work *pw) -{ - bool rc = false; - - write_lock(&pw->lock); - if (pw->is_scheduled) { - rc = false; - goto unlock; - } - if (pw->want_to_stop) { - rc = false; - goto unlock; - } - INIT_DELAYED_WORK(&pw->work, &periodic_work_func); - if (!queue_delayed_work(pw->workqueue, &pw->work, - pw->jiffy_interval)) { - rc = false; - goto unlock; - } - pw->is_scheduled = true; - rc = true; -unlock: - write_unlock(&pw->lock); - return rc; -} -EXPORT_SYMBOL_GPL(visor_periodic_work_start); - -/** This function returns true iff your call actually stopped the periodic - * work. - * - * -- PAY ATTENTION... this is important -- - * - * NO NO #1 - * - * Do NOT call this function from some function that is running on the - * same workqueue as the work you are trying to stop might be running - * on! If you violate this rule, visor_periodic_work_stop() MIGHT work, - * but it also MIGHT get hung up in an infinite loop saying - * "waiting for delayed work...". This will happen if the delayed work - * you are trying to cancel has been put in the workqueue list, but can't - * run yet because we are running that same workqueue thread right now. - * - * Bottom line: If you need to call visor_periodic_work_stop() from a - * workitem, be sure the workitem is on a DIFFERENT workqueue than the - * workitem that you are trying to cancel. - * - * If I could figure out some way to check for this "no no" condition in - * the code, I would. It would have saved me the trouble of writing this - * long comment. And also, don't think this is some "theoretical" race - * condition. It is REAL, as I have spent the day chasing it. - * - * NO NO #2 - * - * Take close note of the locks that you own when you call this function. - * You must NOT own any locks that are needed by the periodic work - * function that is currently installed. If you DO, a deadlock may result, - * because stopping the periodic work often involves waiting for the last - * iteration of the periodic work function to complete. Again, if you hit - * this deadlock, you will get hung up in an infinite loop saying - * "waiting for delayed work...". - */ -bool visor_periodic_work_stop(struct periodic_work *pw) -{ - bool stopped_something = false; - - write_lock(&pw->lock); - stopped_something = pw->is_scheduled && (!pw->want_to_stop); - while (pw->is_scheduled) { - pw->want_to_stop = true; - if (cancel_delayed_work(&pw->work)) { - /* We get here if the delayed work was pending as - * delayed work, but was NOT run. - */ - WARN_ON(!pw->is_scheduled); - pw->is_scheduled = false; - } else { - /* If we get here, either the delayed work: - * - was run, OR, - * - is running RIGHT NOW on another processor, OR, - * - wasn't even scheduled (there is a miniscule - * timing window where this could be the case) - * flush_workqueue() would make sure it is finished - * executing, but that still isn't very useful, which - * explains the loop... - */ - } - if (pw->is_scheduled) { - write_unlock(&pw->lock); - schedule_timeout_interruptible(msecs_to_jiffies(10)); - write_lock(&pw->lock); - } else { - pw->want_to_stop = false; - } - } - write_unlock(&pw->lock); - return stopped_something; -} -EXPORT_SYMBOL_GPL(visor_periodic_work_stop); diff --git a/drivers/staging/unisys/visorbus/vbusdeviceinfo.h b/drivers/staging/unisys/visorbus/vbusdeviceinfo.h index abdab4ad0b36..e6bfed1b300e 100644 --- a/drivers/staging/unisys/visorbus/vbusdeviceinfo.h +++ b/drivers/staging/unisys/visorbus/vbusdeviceinfo.h @@ -19,7 +19,8 @@ #pragma pack(push, 1) /* both GCC and VC now allow this pragma */ -/* An array of this struct is present in the channel area for each vbus. +/* + * An array of this struct is present in the channel area for each vbus. * (See vbuschannel.h.) * It is filled in by the client side to provide info about the device * and driver from the client's perspective. @@ -34,19 +35,28 @@ struct ultra_vbus_deviceinfo { #pragma pack(pop) -/* Reads chars from the buffer at <src> for <srcmax> bytes, and writes to - * the buffer at <p>, which is <remain> bytes long, ensuring never to - * overflow the buffer at <p>, using the following rules: - * - printable characters are simply copied from the buffer at <src> to the - * buffer at <p> - * - intervening streaks of non-printable characters in the buffer at <src> - * are replaced with a single space in the buffer at <p> +/** + * vbuschannel_sanitize_buffer() - remove non-printable chars from buffer + * @p: destination buffer where chars are written to + * @remain: number of bytes that can be written starting at #p + * @src: pointer to source buffer + * @srcmax: number of valid characters at #src + * + * Reads chars from the buffer at @src for @srcmax bytes, and writes to + * the buffer at @p, which is @remain bytes long, ensuring never to + * overflow the buffer at @p, using the following rules: + * - printable characters are simply copied from the buffer at @src to the + * buffer at @p + * - intervening streaks of non-printable characters in the buffer at @src + * are replaced with a single space in the buffer at @p * Note that we pay no attention to '\0'-termination. - * Returns the number of bytes written to <p>. * - * Pass <p> == NULL and <remain> == 0 for this special behavior. In this + * Pass @p == NULL and @remain == 0 for this special behavior -- In this * case, we simply return the number of bytes that WOULD HAVE been written - * to a buffer at <p>, had it been infinitely big. + * to a buffer at @p, had it been infinitely big. + * + * Return: the number of bytes written to @p (or WOULD HAVE been written to + * @p, as described in the previous paragraph) */ static inline int vbuschannel_sanitize_buffer(char *p, int remain, char *src, int srcmax) @@ -92,14 +102,18 @@ vbuschannel_sanitize_buffer(char *p, int remain, char *src, int srcmax) p++; chars++; remain--; \ } while (0) -/* Converts the non-negative value at <num> to an ascii decimal string - * at <p>, writing at most <remain> bytes. Note there is NO '\0' termination - * written to <p>. +/** + * vbuschannel_itoa() - convert non-negative int to string + * @p: destination string + * @remain: max number of bytes that can be written to @p + * @num: input int to convert + * + * Converts the non-negative value at @num to an ascii decimal string + * at @p, writing at most @remain bytes. Note there is NO '\0' termination + * written to @p. * - * Returns the number of bytes written to <p>. + * Return: number of bytes written to @p * - * Note that we create this function because we need to do this operation in - * an environment-independent way (since we are in a common header file). */ static inline int vbuschannel_itoa(char *p, int remain, int num) @@ -141,13 +155,20 @@ vbuschannel_itoa(char *p, int remain, int num) return digits; } -/* Reads <devInfo>, and converts its contents to a printable string at <p>, - * writing at most <remain> bytes. Note there is NO '\0' termination - * written to <p>. +/** + * vbuschannel_devinfo_to_string() - format a struct ultra_vbus_deviceinfo + * to a printable string + * @devinfo: the struct ultra_vbus_deviceinfo to format + * @p: destination string area + * @remain: size of destination string area in bytes + * @devix: the device index to be included in the output data, or -1 if no + * device index is to be included * - * Pass <devix> >= 0 if you want a device index presented. + * Reads @devInfo, and converts its contents to a printable string at @p, + * writing at most @remain bytes. Note there is NO '\0' termination + * written to @p. * - * Returns the number of bytes written to <p>. + * Return: number of bytes written to @p */ static inline int vbuschannel_devinfo_to_string(struct ultra_vbus_deviceinfo *devinfo, diff --git a/drivers/staging/unisys/include/vbushelper.h b/drivers/staging/unisys/visorbus/vbushelper.h index f1b6aacb79d7..f1b6aacb79d7 100644 --- a/drivers/staging/unisys/include/vbushelper.h +++ b/drivers/staging/unisys/visorbus/vbushelper.h diff --git a/drivers/staging/unisys/visorbus/visorbus_main.c b/drivers/staging/unisys/visorbus/visorbus_main.c index d32b8980a1cf..293532f0650b 100644 --- a/drivers/staging/unisys/visorbus/visorbus_main.c +++ b/drivers/staging/unisys/visorbus/visorbus_main.c @@ -19,7 +19,6 @@ #include "visorbus.h" #include "visorbus_private.h" #include "version.h" -#include "periodic_work.h" #include "vbuschannel.h" #include "guestlinuxdebug.h" #include "vmcallinterface.h" @@ -27,10 +26,9 @@ #define MYDRVNAME "visorbus" /* module parameters */ -static int visorbus_debug; static int visorbus_forcematch; static int visorbus_forcenomatch; -static int visorbus_debugref; + #define SERIALLOOPBACKCHANADDR (100 * 1024 * 1024) /* Display string that is guaranteed to be no longer the 99 characters*/ @@ -46,11 +44,11 @@ static int visorbus_uevent(struct device *xdev, struct kobj_uevent_env *env); static int visorbus_match(struct device *xdev, struct device_driver *xdrv); static void fix_vbus_dev_info(struct visor_device *visordev); -/* BUS type attributes - * - * define & implement display of bus attributes under - * /sys/bus/visorbus. +/* + * BUS type attributes * + * define & implement display of bus attributes under + * /sys/bus/visorbus. */ static ssize_t version_show(struct bus_type *bus, char *buf) @@ -106,7 +104,8 @@ static const struct attribute_group *visorbus_dev_groups[] = { NULL, }; -/** This describes the TYPE of bus. +/* + * This describes the TYPE of bus. * (Don't confuse this with an INSTANCE of the bus.) */ struct bus_type visorbus_type = { @@ -117,50 +116,17 @@ struct bus_type visorbus_type = { .bus_groups = visorbus_bus_groups, }; -static struct delayed_work periodic_work; - -/* YES, we need 2 workqueues. - * The reason is, workitems on the test queue may need to cancel - * workitems on the other queue. You will be in for trouble if you try to - * do this with workitems queued on the same workqueue. - */ -static struct workqueue_struct *periodic_test_workqueue; -static struct workqueue_struct *periodic_dev_workqueue; -static long long bus_count; /** number of bus instances */ - /** ever-increasing */ - -static void chipset_bus_create(struct visor_device *bus_info); -static void chipset_bus_destroy(struct visor_device *bus_info); -static void chipset_device_create(struct visor_device *dev_info); -static void chipset_device_destroy(struct visor_device *dev_info); -static void chipset_device_pause(struct visor_device *dev_info); -static void chipset_device_resume(struct visor_device *dev_info); - -/** These functions are implemented herein, and are called by the chipset - * driver to notify us about specific events. - */ -static struct visorchipset_busdev_notifiers chipset_notifiers = { - .bus_create = chipset_bus_create, - .bus_destroy = chipset_bus_destroy, - .device_create = chipset_device_create, - .device_destroy = chipset_device_destroy, - .device_pause = chipset_device_pause, - .device_resume = chipset_device_resume, -}; - -/** These functions are implemented in the chipset driver, and we call them - * herein when we want to acknowledge a specific event. - */ -static struct visorchipset_busdev_responders chipset_responders; +static long long bus_count; /* number of bus instances */ + /* ever-increasing */ /* filled in with info about parent chipset driver when we register with it */ static struct ultra_vbus_deviceinfo chipset_driverinfo; /* filled in with info about this driver, wrt it servicing client busses */ static struct ultra_vbus_deviceinfo clientbus_driverinfo; -/** list of visor_device structs, linked via .list_all */ +/* list of visor_device structs, linked via .list_all */ static LIST_HEAD(list_all_bus_instances); -/** list of visor_device structs, linked via .list_all */ +/* list of visor_device structs, linked via .list_all */ static LIST_HEAD(list_all_device_instances); static int @@ -177,9 +143,14 @@ visorbus_uevent(struct device *xdev, struct kobj_uevent_env *env) return 0; } -/* This is called automatically upon adding a visor_device (device_add), or - * adding a visor_driver (visorbus_register_visor_driver), and returns 1 iff the - * provided driver can control the specified device. +/** + * visorbus_match() - called automatically upon adding a visor_device + * (device_add), or adding a visor_driver + * (visorbus_register_visor_driver) + * @xdev: struct device for the device being matched + * @xdrv: struct device_driver for driver to match device against + * + * Return: 1 iff the provided driver can control the specified device */ static int visorbus_match(struct device *xdev, struct device_driver *xdrv) @@ -211,9 +182,11 @@ visorbus_match(struct device *xdev, struct device_driver *xdrv) return 0; } -/** This is called when device_unregister() is called for the bus device - * instance, after all other tasks involved with destroying the device - * are complete. +/** + * visorbus_releae_busdevice() - called when device_unregister() is called for + * the bus device instance, after all other tasks + * involved with destroying the dev are complete + * @xdev: struct device for the bus being released */ static void visorbus_release_busdevice(struct device *xdev) @@ -223,18 +196,16 @@ visorbus_release_busdevice(struct device *xdev) kfree(dev); } -/** This is called when device_unregister() is called for each child - * device instance. +/** + * visorbus_release_device() - called when device_unregister() is called for + * each child device instance + * @xdev: struct device for the visor device being released */ static void visorbus_release_device(struct device *xdev) { struct visor_device *dev = to_visor_device(xdev); - if (dev->periodic_work) { - visor_periodic_work_destroy(dev->periodic_work); - dev->periodic_work = NULL; - } if (dev->visorchannel) { visorchannel_destroy(dev->visorchannel); dev->visorchannel = NULL; @@ -242,9 +213,11 @@ visorbus_release_device(struct device *xdev) kfree(dev); } -/* begin implementation of specific channel attributes to appear under -* /sys/bus/visorbus<x>/dev<y>/channel -*/ +/* + * begin implementation of specific channel attributes to appear under + * /sys/bus/visorbus<x>/dev<y>/channel + */ + static ssize_t physaddr_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -349,15 +322,11 @@ static const struct attribute_group *visorbus_channel_groups[] = { /* end implementation of specific channel attributes */ -/* BUS instance attributes +/* + * BUS instance attributes * * define & implement display of bus attributes under - * /sys/bus/visorbus/busses/visorbus<n>. - * - * This is a bit hoaky because the kernel does not yet have the infrastructure - * to separate bus INSTANCE attributes from bus TYPE attributes... - * so we roll our own. See businst.c / businst.h. - * + * /sys/bus/visorbus/devices/visorbus<n>. */ static ssize_t partition_handle_show(struct device *dev, @@ -434,7 +403,7 @@ static ssize_t client_bus_info_show(struct device *dev, if (vdev->name) partition_name = vdev->name; shift = snprintf(pos, remain, - "Client device / client driver info for %s eartition (vbus #%d):\n", + "Client device / client driver info for %s eartition (vbus #%u):\n", partition_name, vdev->chipset_dev_no); pos += shift; remain -= shift; @@ -508,11 +477,11 @@ static const struct attribute_group *visorbus_groups[] = { NULL }; -/* DRIVER attributes +/* + * DRIVER attributes * * define & implement display of driver attributes under * /sys/bus/visorbus/drivers/<drivername>. - * */ static ssize_t @@ -539,41 +508,52 @@ unregister_driver_attributes(struct visor_driver *drv) } static void -dev_periodic_work(void *xdev) +dev_periodic_work(unsigned long __opaque) { - struct visor_device *dev = xdev; + struct visor_device *dev = (struct visor_device *)__opaque; struct visor_driver *drv = to_visor_driver(dev->device.driver); - down(&dev->visordriver_callback_lock); if (drv->channel_interrupt) drv->channel_interrupt(dev); - up(&dev->visordriver_callback_lock); - if (!visor_periodic_work_nextperiod(dev->periodic_work)) - put_device(&dev->device); + mod_timer(&dev->timer, jiffies + POLLJIFFIES_NORMALCHANNEL); } static void dev_start_periodic_work(struct visor_device *dev) { - if (dev->being_removed) + if (dev->being_removed || dev->timer_active) return; /* now up by at least 2 */ get_device(&dev->device); - if (!visor_periodic_work_start(dev->periodic_work)) - put_device(&dev->device); + dev->timer.expires = jiffies + POLLJIFFIES_NORMALCHANNEL; + add_timer(&dev->timer); + dev->timer_active = true; } static void dev_stop_periodic_work(struct visor_device *dev) { - if (visor_periodic_work_stop(dev->periodic_work)) - put_device(&dev->device); + if (!dev->timer_active) + return; + del_timer_sync(&dev->timer); + dev->timer_active = false; + put_device(&dev->device); } -/** This is called automatically upon adding a visor_device (device_add), or - * adding a visor_driver (visorbus_register_visor_driver), but only after - * visorbus_match has returned 1 to indicate a successful match between - * driver and device. +/** + * visordriver_probe_device() - handle new visor device coming online + * @xdev: struct device for the visor device being probed + * + * This is called automatically upon adding a visor_device (device_add), or + * adding a visor_driver (visorbus_register_visor_driver), but only after + * visorbus_match() has returned 1 to indicate a successful match between + * driver and device. + * + * If successful, a reference to the device will be held onto via get_device(). + * + * Return: 0 if successful, meaning the function driver's probe() function + * was successful with this device, otherwise a negative errno + * value indicating failure reason */ static int visordriver_probe_device(struct device *xdev) @@ -588,7 +568,7 @@ visordriver_probe_device(struct device *xdev) if (!drv->probe) return -ENODEV; - down(&dev->visordriver_callback_lock); + mutex_lock(&dev->visordriver_callback_lock); dev->being_removed = false; res = drv->probe(dev); @@ -598,13 +578,19 @@ visordriver_probe_device(struct device *xdev) fix_vbus_dev_info(dev); } - up(&dev->visordriver_callback_lock); + mutex_unlock(&dev->visordriver_callback_lock); return res; } -/** This is called when device_unregister() is called for each child device - * instance, to notify the appropriate visorbus_driver that the device is - * going away, and to decrease the reference count of the device. +/** + * visordriver_remove_device() - handle visor device going away + * @xdev: struct device for the visor device being removed + * + * This is called when device_unregister() is called for each child device + * instance, to notify the appropriate visorbus function driver that the device + * is going away, and to decrease the reference count of the device. + * + * Return: 0 iff successful */ static int visordriver_remove_device(struct device *xdev) @@ -614,58 +600,65 @@ visordriver_remove_device(struct device *xdev) dev = to_visor_device(xdev); drv = to_visor_driver(xdev->driver); - down(&dev->visordriver_callback_lock); + mutex_lock(&dev->visordriver_callback_lock); dev->being_removed = true; if (drv->remove) drv->remove(dev); - up(&dev->visordriver_callback_lock); + mutex_unlock(&dev->visordriver_callback_lock); dev_stop_periodic_work(dev); put_device(&dev->device); return 0; } -/** A particular type of visor driver calls this function to register - * the driver. The caller MUST fill in the following fields within the - * #drv structure: - * name, version, owner, channel_types, probe, remove +/** + * visorbus_register_visor_driver() - registers the provided visor driver + * for handling one or more visor device + * types (channel_types) + * @drv: the driver to register * - * Here's how the whole Linux bus / driver / device model works. + * A visor function driver calls this function to register + * the driver. The caller MUST fill in the following fields within the + * #drv structure: + * name, version, owner, channel_types, probe, remove * - * At system start-up, the visorbus kernel module is loaded, which registers - * visorbus_type as a bus type, using bus_register(). + * Here's how the whole Linux bus / driver / device model works. * - * All kernel modules that support particular device types on a - * visorbus bus are loaded. Each of these kernel modules calls - * visorbus_register_visor_driver() in their init functions, passing a - * visor_driver struct. visorbus_register_visor_driver() in turn calls - * register_driver(&visor_driver.driver). This .driver member is - * initialized with generic methods (like probe), whose sole responsibility - * is to act as a broker for the real methods, which are within the - * visor_driver struct. (This is the way the subclass behavior is - * implemented, since visor_driver is essentially a subclass of the - * generic driver.) Whenever a driver_register() happens, core bus code in - * the kernel does (see device_attach() in drivers/base/dd.c): + * At system start-up, the visorbus kernel module is loaded, which registers + * visorbus_type as a bus type, using bus_register(). * - * for each dev associated with the bus (the bus that driver is on) that - * does not yet have a driver - * if bus.match(dev,newdriver) == yes_matched ** .match specified - * ** during bus_register(). - * newdriver.probe(dev) ** for visor drivers, this will call - * ** the generic driver.probe implemented in visorbus.c, - * ** which in turn calls the probe specified within the - * ** struct visor_driver (which was specified by the - * ** actual device driver as part of - * ** visorbus_register_visor_driver()). + * All kernel modules that support particular device types on a + * visorbus bus are loaded. Each of these kernel modules calls + * visorbus_register_visor_driver() in their init functions, passing a + * visor_driver struct. visorbus_register_visor_driver() in turn calls + * register_driver(&visor_driver.driver). This .driver member is + * initialized with generic methods (like probe), whose sole responsibility + * is to act as a broker for the real methods, which are within the + * visor_driver struct. (This is the way the subclass behavior is + * implemented, since visor_driver is essentially a subclass of the + * generic driver.) Whenever a driver_register() happens, core bus code in + * the kernel does (see device_attach() in drivers/base/dd.c): * - * The above dance also happens when a new device appears. - * So the question is, how are devices created within the system? - * Basically, just call device_add(dev). See pci_bus_add_devices(). - * pci_scan_device() shows an example of how to build a device struct. It - * returns the newly-created struct to pci_scan_single_device(), who adds it - * to the list of devices at PCIBUS.devices. That list of devices is what - * is traversed by pci_bus_add_devices(). + * for each dev associated with the bus (the bus that driver is on) that + * does not yet have a driver + * if bus.match(dev,newdriver) == yes_matched ** .match specified + * ** during bus_register(). + * newdriver.probe(dev) ** for visor drivers, this will call + * ** the generic driver.probe implemented in visorbus.c, + * ** which in turn calls the probe specified within the + * ** struct visor_driver (which was specified by the + * ** actual device driver as part of + * ** visorbus_register_visor_driver()). * + * The above dance also happens when a new device appears. + * So the question is, how are devices created within the system? + * Basically, just call device_add(dev). See pci_bus_add_devices(). + * pci_scan_device() shows an example of how to build a device struct. It + * returns the newly-created struct to pci_scan_single_device(), who adds it + * to the list of devices at PCIBUS.devices. That list of devices is what + * is traversed by pci_bus_add_devices(). + * + * Return: integer indicating success (zero) or failure (non-zero) */ int visorbus_register_visor_driver(struct visor_driver *drv) { @@ -680,7 +673,8 @@ int visorbus_register_visor_driver(struct visor_driver *drv) drv->driver.remove = visordriver_remove_device; drv->driver.owner = drv->owner; - /* driver_register does this: + /* + * driver_register does this: * bus_add_driver(drv) * ->if (drv.bus) ** (bus_type) ** * driver_attach(drv) @@ -702,8 +696,12 @@ int visorbus_register_visor_driver(struct visor_driver *drv) } EXPORT_SYMBOL_GPL(visorbus_register_visor_driver); -/** A particular type of visor driver calls this function to unregister - * the driver, i.e., within its module_exit function. +/** + * visorbus_unregister_visor_driver() - unregisters the provided driver + * @drv: the driver to unregister + * + * A visor function driver calls this function to unregister the driver, + * i.e., within its module_exit function. */ void visorbus_unregister_visor_driver(struct visor_driver *drv) @@ -713,6 +711,19 @@ visorbus_unregister_visor_driver(struct visor_driver *drv) } EXPORT_SYMBOL_GPL(visorbus_unregister_visor_driver); +/** + * visorbus_read_channel() - reads from the designated channel into + * the provided buffer + * @dev: the device whose channel is read from + * @offset: the offset into the channel at which reading starts + * @dest: the destination buffer that is written into from the channel + * @nbytes: the number of bytes to read from the channel + * + * If receiving a message, use the visorchannel_signalremove() + * function instead. + * + * Return: integer indicating success (zero) or failure (non-zero) + */ int visorbus_read_channel(struct visor_device *dev, unsigned long offset, void *dest, unsigned long nbytes) @@ -721,6 +732,19 @@ visorbus_read_channel(struct visor_device *dev, unsigned long offset, } EXPORT_SYMBOL_GPL(visorbus_read_channel); +/** + * visorbus_write_channel() - writes the provided buffer into the designated + * channel + * @dev: the device whose channel is written to + * @offset: the offset into the channel at which writing starts + * @src: the source buffer that is written into the channel + * @nbytes: the number of bytes to write into the channel + * + * If sending a message, use the visorchannel_signalinsert() + * function instead. + * + * Return: integer indicating success (zero) or failure (non-zero) + */ int visorbus_write_channel(struct visor_device *dev, unsigned long offset, void *src, unsigned long nbytes) @@ -729,16 +753,13 @@ visorbus_write_channel(struct visor_device *dev, unsigned long offset, } EXPORT_SYMBOL_GPL(visorbus_write_channel); -int -visorbus_clear_channel(struct visor_device *dev, unsigned long offset, u8 ch, - unsigned long nbytes) -{ - return visorchannel_clear(dev->visorchannel, offset, ch, nbytes); -} -EXPORT_SYMBOL_GPL(visorbus_clear_channel); - -/** We don't really have a real interrupt, so for now we just call the - * interrupt function periodically... +/** + * visorbus_enable_channel_interrupts() - enables interrupts on the + * designated device + * @dev: the device on which to enable interrupts + * + * Currently we don't yet have a real interrupt, so for now we just call the + * interrupt function periodically via a timer. */ void visorbus_enable_channel_interrupts(struct visor_device *dev) @@ -747,6 +768,11 @@ visorbus_enable_channel_interrupts(struct visor_device *dev) } EXPORT_SYMBOL_GPL(visorbus_enable_channel_interrupts); +/** + * visorbus_disable_channel_interrupts() - disables interrupts on the + * designated device + * @dev: the device on which to disable interrupts + */ void visorbus_disable_channel_interrupts(struct visor_device *dev) { @@ -754,19 +780,28 @@ visorbus_disable_channel_interrupts(struct visor_device *dev) } EXPORT_SYMBOL_GPL(visorbus_disable_channel_interrupts); -/** This is how everything starts from the device end. - * This function is called when a channel first appears via a ControlVM - * message. In response, this function allocates a visor_device to - * correspond to the new channel, and attempts to connect it the appropriate - * driver. If the appropriate driver is found, the visor_driver.probe() - * function for that driver will be called, and will be passed the new - * visor_device that we just created. +/** + * create_visor_device() - create visor device as a result of receiving the + * controlvm device_create message for a new device + * @dev: a freshly-zeroed struct visor_device, containing only filled-in values + * for chipset_bus_no and chipset_dev_no, that will be initialized * - * It's ok if the appropriate driver is not yet loaded, because in that case - * the new device struct will just stick around in the bus' list of devices. - * When the appropriate driver calls visorbus_register_visor_driver(), the - * visor_driver.probe() for the new driver will be called with the new - * device. + * This is how everything starts from the device end. + * This function is called when a channel first appears via a ControlVM + * message. In response, this function allocates a visor_device to + * correspond to the new channel, and attempts to connect it the appropriate + * driver. If the appropriate driver is found, the visor_driver.probe() + * function for that driver will be called, and will be passed the new + * visor_device that we just created. + * + * It's ok if the appropriate driver is not yet loaded, because in that case + * the new device struct will just stick around in the bus' list of devices. + * When the appropriate driver calls visorbus_register_visor_driver(), the + * visor_driver.probe() for the new driver will be called with the new + * device. + * + * Return: 0 if successful, otherwise the negative value returned by + * device_add() indicating the reason for failure */ static int create_visor_device(struct visor_device *dev) @@ -778,33 +813,27 @@ create_visor_device(struct visor_device *dev) POSTCODE_LINUX_4(DEVICE_CREATE_ENTRY_PC, chipset_dev_no, chipset_bus_no, POSTCODE_SEVERITY_INFO); - sema_init(&dev->visordriver_callback_lock, 1); /* unlocked */ + mutex_init(&dev->visordriver_callback_lock); dev->device.bus = &visorbus_type; dev->device.groups = visorbus_channel_groups; device_initialize(&dev->device); dev->device.release = visorbus_release_device; /* keep a reference just for us (now 2) */ get_device(&dev->device); - dev->periodic_work = - visor_periodic_work_create(POLLJIFFIES_NORMALCHANNEL, - periodic_dev_workqueue, - dev_periodic_work, - dev, dev_name(&dev->device)); - if (!dev->periodic_work) { - POSTCODE_LINUX_3(DEVICE_CREATE_FAILURE_PC, chipset_dev_no, - DIAG_SEVERITY_ERR); - err = -EINVAL; - goto err_put; - } + init_timer(&dev->timer); + dev->timer.data = (unsigned long)(dev); + dev->timer.function = dev_periodic_work; - /* bus_id must be a unique name with respect to this bus TYPE + /* + * bus_id must be a unique name with respect to this bus TYPE * (NOT bus instance). That's why we need to include the bus * number within the name. */ dev_set_name(&dev->device, "vbus%u:dev%u", chipset_bus_no, chipset_dev_no); - /* device_add does this: + /* + * device_add does this: * bus_add_device(dev) * ->device_attach(dev) * ->for each driver drv registered on the bus that dev is on @@ -864,11 +893,20 @@ get_vbus_header_info(struct visorchannel *chan, return 0; } -/* Write the contents of <info> to the struct - * spar_vbus_channel_protocol.chp_info. +/** + * write_vbus_chp_info() - write the contents of <info> to the struct + * spar_vbus_channel_protocol.chp_info + * @chan: indentifies the s-Par channel that will be updated + * @hdr_info: used to find appropriate channel offset to write data + * @info: contains the information to write + * + * Writes chipset info into the channel memory to be used for diagnostic + * purposes. + * + * Returns no value since this is debug information and not needed for + * device functionality. */ - -static int +static void write_vbus_chp_info(struct visorchannel *chan, struct spar_vbus_headerinfo *hdr_info, struct ultra_vbus_deviceinfo *info) @@ -876,18 +914,25 @@ write_vbus_chp_info(struct visorchannel *chan, int off = sizeof(struct channel_header) + hdr_info->chp_info_offset; if (hdr_info->chp_info_offset == 0) - return -EFAULT; + return; - if (visorchannel_write(chan, off, info, sizeof(*info)) < 0) - return -EFAULT; - return 0; + visorchannel_write(chan, off, info, sizeof(*info)); } -/* Write the contents of <info> to the struct - * spar_vbus_channel_protocol.bus_info. +/** + * write_vbus_bus_info() - write the contents of <info> to the struct + * spar_vbus_channel_protocol.bus_info + * @chan: indentifies the s-Par channel that will be updated + * @hdr_info: used to find appropriate channel offset to write data + * @info: contains the information to write + * + * Writes bus info into the channel memory to be used for diagnostic + * purposes. + * + * Returns no value since this is debug information and not needed for + * device functionality. */ - -static int +static void write_vbus_bus_info(struct visorchannel *chan, struct spar_vbus_headerinfo *hdr_info, struct ultra_vbus_deviceinfo *info) @@ -895,17 +940,26 @@ write_vbus_bus_info(struct visorchannel *chan, int off = sizeof(struct channel_header) + hdr_info->bus_info_offset; if (hdr_info->bus_info_offset == 0) - return -EFAULT; + return; - if (visorchannel_write(chan, off, info, sizeof(*info)) < 0) - return -EFAULT; - return 0; + visorchannel_write(chan, off, info, sizeof(*info)); } -/* Write the contents of <info> to the - * struct spar_vbus_channel_protocol.dev_info[<devix>]. +/** + * write_vbus_dev_info() - write the contents of <info> to the struct + * spar_vbus_channel_protocol.dev_info[<devix>] + * @chan: indentifies the s-Par channel that will be updated + * @hdr_info: used to find appropriate channel offset to write data + * @info: contains the information to write + * @devix: the relative device number (0..n-1) of the device on the bus + * + * Writes device info into the channel memory to be used for diagnostic + * purposes. + * + * Returns no value since this is debug information and not needed for + * device functionality. */ -static int +static void write_vbus_dev_info(struct visorchannel *chan, struct spar_vbus_headerinfo *hdr_info, struct ultra_vbus_deviceinfo *info, int devix) @@ -915,17 +969,17 @@ write_vbus_dev_info(struct visorchannel *chan, (hdr_info->device_info_struct_bytes * devix); if (hdr_info->dev_info_offset == 0) - return -EFAULT; + return; - if (visorchannel_write(chan, off, info, sizeof(*info)) < 0) - return -EFAULT; - return 0; + visorchannel_write(chan, off, info, sizeof(*info)); } -/* For a child device just created on a client bus, fill in - * information about the driver that is controlling this device into - * the the appropriate slot within the vbus channel of the bus - * instance. +/** + * fix_vbus_dev_info() - for a child device just created on a client bus, fill + * in information about the driver that is controlling + * this device into the the appropriate slot within the + * vbus channel of the bus instance + * @visordev: struct visor_device for the desired device */ static void fix_vbus_dev_info(struct visor_device *visordev) @@ -952,7 +1006,8 @@ fix_vbus_dev_info(struct visor_device *visordev) visordrv = to_visor_driver(visordev->device.driver); - /* Within the list of device types (by GUID) that the driver + /* + * Within the list of device types (by GUID) that the driver * says it supports, find out which one of those types matches * the type of this device, so that we can include the device * type name @@ -971,15 +1026,21 @@ fix_vbus_dev_info(struct visor_device *visordev) visordrv->vertag); write_vbus_dev_info(bdev->visorchannel, hdr_info, &dev_info, dev_no); - /* Re-write bus+chipset info, because it is possible that this - * was previously written by our evil counterpart, virtpci. - */ + /* + * Re-write bus+chipset info, because it is possible that this + * was previously written by our evil counterpart, virtpci. + */ write_vbus_chp_info(bdev->visorchannel, hdr_info, &chipset_driverinfo); write_vbus_bus_info(bdev->visorchannel, hdr_info, &clientbus_driverinfo); } -/** Create a device instance for the visor bus itself. +/** + * create_bus_instance() - create a device instance for the visor bus itself + * @dev: struct visor_device indicating the bus instance + * + * Return: 0 for success, otherwise negative errno value indicating reason for + * failure */ static int create_bus_instance(struct visor_device *dev) @@ -1020,12 +1081,15 @@ create_bus_instance(struct visor_device *dev) return 0; } -/** Remove a device instance for the visor bus itself. +/** + * remove_bus_instance() - remove a device instance for the visor bus itself + * @dev: struct visor_device indentifying the bus to remove */ static void remove_bus_instance(struct visor_device *dev) { - /* Note that this will result in the release method for + /* + * Note that this will result in the release method for * dev->dev being called, which will call * visorbus_release_busdevice(). This has something to do with * the put_device() done in device_unregister(), but I have never @@ -1042,8 +1106,11 @@ remove_bus_instance(struct visor_device *dev) device_unregister(&dev->device); } -/** Create and register the one-and-only one instance of - * the visor bus type (visorbus_type). +/** + * create_bus_type() - create and register the one-and-only one instance of + * the visor bus type (visorbus_type) + * Return: 0 for success, otherwise negative errno value returned by + * bus_register() indicating the reason for failure */ static int create_bus_type(void) @@ -1052,7 +1119,9 @@ create_bus_type(void) return busreg_rc; } -/** Remove the one-and-only one instance of the visor bus type (visorbus_type). +/** + * remove_bus_type() - remove the one-and-only one instance of the visor bus + * type (visorbus_type) */ static void remove_bus_type(void) @@ -1060,7 +1129,8 @@ remove_bus_type(void) bus_unregister(&visorbus_type); } -/** Remove all child visor bus device instances. +/** + * remove_all_visor_devices() - remove all child visor bus device instances */ static void remove_all_visor_devices(void) @@ -1075,7 +1145,7 @@ remove_all_visor_devices(void) } } -static void +void chipset_bus_create(struct visor_device *dev) { int rc; @@ -1092,19 +1162,17 @@ chipset_bus_create(struct visor_device *dev) POSTCODE_LINUX_3(CHIPSET_INIT_SUCCESS_PC, bus_no, POSTCODE_SEVERITY_INFO); - if (chipset_responders.bus_create) - (*chipset_responders.bus_create) (dev, rc); + bus_create_response(dev, rc); } -static void +void chipset_bus_destroy(struct visor_device *dev) { remove_bus_instance(dev); - if (chipset_responders.bus_destroy) - (*chipset_responders.bus_destroy)(dev, 0); + bus_destroy_response(dev, 0); } -static void +void chipset_device_create(struct visor_device *dev_info) { int rc; @@ -1115,8 +1183,7 @@ chipset_device_create(struct visor_device *dev_info) POSTCODE_SEVERITY_INFO); rc = create_visor_device(dev_info); - if (chipset_responders.device_create) - chipset_responders.device_create(dev_info, rc); + device_create_response(dev_info, rc); if (rc < 0) POSTCODE_LINUX_4(DEVICE_CREATE_FAILURE_PC, dev_no, bus_no, @@ -1126,18 +1193,22 @@ chipset_device_create(struct visor_device *dev_info) POSTCODE_SEVERITY_INFO); } -static void +void chipset_device_destroy(struct visor_device *dev_info) { remove_visor_device(dev_info); - if (chipset_responders.device_destroy) - (*chipset_responders.device_destroy) (dev_info, 0); + device_destroy_response(dev_info, 0); } -/* This is the callback function specified for a function driver, to - * be called when a pending "pause device" operation has been - * completed. +/** + * pause_state_change_complete() - the callback function to be called by a + * visorbus function driver when a + * pending "pause device" operation has + * completed + * @dev: struct visor_device identifying the paused device + * @status: 0 iff the pause state change completed successfully, otherwise + * a negative errno value indicating the reason for failure */ static void pause_state_change_complete(struct visor_device *dev, int status) @@ -1146,19 +1217,18 @@ pause_state_change_complete(struct visor_device *dev, int status) return; dev->pausing = false; - if (!chipset_responders.device_pause) /* this can never happen! */ - return; - /* Notify the chipset driver that the pause is complete, which - * will presumably want to send some sort of response to the - * initiator. - */ - (*chipset_responders.device_pause) (dev, status); + device_pause_response(dev, status); } -/* This is the callback function specified for a function driver, to - * be called when a pending "resume device" operation has been - * completed. +/** + * resume_state_change_complete() - the callback function to be called by a + * visorbus function driver when a + * pending "resume device" operation has + * completed + * @dev: struct visor_device identifying the resumed device + * @status: 0 iff the resume state change completed successfully, otherwise + * a negative errno value indicating the reason for failure */ static void resume_state_change_complete(struct visor_device *dev, int status) @@ -1167,19 +1237,25 @@ resume_state_change_complete(struct visor_device *dev, int status) return; dev->resuming = false; - if (!chipset_responders.device_resume) /* this can never happen! */ - return; - /* Notify the chipset driver that the resume is complete, + /* + * Notify the chipset driver that the resume is complete, * which will presumably want to send some sort of response to * the initiator. */ - (*chipset_responders.device_resume) (dev, status); + device_resume_response(dev, status); } -/* Tell the subordinate function driver for a specific device to pause - * or resume that device. Result is returned asynchronously via a - * callback function. +/** + * initiate_chipset_device_pause_resume() - start a pause or resume operation + * for a visor device + * @dev: struct visor_device identifying the device being paused or resumed + * @is_pause: true to indicate pause operation, false to indicate resume + * + * Tell the subordinate function driver for a specific device to pause + * or resume that device. Success/failure result is returned asynchronously + * via a callback function; see pause_state_change_complete() and + * resume_state_change_complete(). */ static void initiate_chipset_device_pause_resume(struct visor_device *dev, bool is_pause) @@ -1189,9 +1265,9 @@ initiate_chipset_device_pause_resume(struct visor_device *dev, bool is_pause) void (*notify_func)(struct visor_device *dev, int response) = NULL; if (is_pause) - notify_func = chipset_responders.device_pause; + notify_func = device_pause_response; else - notify_func = chipset_responders.device_resume; + notify_func = device_resume_response; if (!notify_func) return; @@ -1206,7 +1282,8 @@ initiate_chipset_device_pause_resume(struct visor_device *dev, bool is_pause) return; } - /* Note that even though both drv->pause() and drv->resume + /* + * Note that even though both drv->pause() and drv->resume * specify a callback function, it is NOT necessary for us to * increment our local module usage count. Reason is, there * is already a linkage dependency between child function @@ -1246,24 +1323,34 @@ initiate_chipset_device_pause_resume(struct visor_device *dev, bool is_pause) } } -static void +/** + * chipset_device_pause() - start a pause operation for a visor device + * @dev_info: struct visor_device identifying the device being paused + * + * Tell the subordinate function driver for a specific device to pause + * that device. Success/failure result is returned asynchronously + * via a callback function; see pause_state_change_complete(). + */ +void chipset_device_pause(struct visor_device *dev_info) { initiate_chipset_device_pause_resume(dev_info, true); } -static void +/** + * chipset_device_resume() - start a resume operation for a visor device + * @dev_info: struct visor_device identifying the device being resumed + * + * Tell the subordinate function driver for a specific device to resume + * that device. Success/failure result is returned asynchronously + * via a callback function; see resume_state_change_complete(). + */ +void chipset_device_resume(struct visor_device *dev_info) { initiate_chipset_device_pause_resume(dev_info, false); } -struct channel_size_info { - uuid_le guid; - unsigned long min_size; - unsigned long max_size; -}; - int visorbus_init(void) { @@ -1280,19 +1367,9 @@ visorbus_init(void) goto error; } - periodic_dev_workqueue = create_singlethread_workqueue("visorbus_dev"); - if (!periodic_dev_workqueue) { - POSTCODE_LINUX_2(CREATE_WORKQUEUE_PC, DIAG_SEVERITY_ERR); - err = -ENOMEM; - goto error; - } - - /* This enables us to receive notifications when devices appear for - * which this service partition is to be a server for. - */ - visorchipset_register_busdev(&chipset_notifiers, - &chipset_responders, - &chipset_driverinfo); + bus_device_info_init(&chipset_driverinfo, + "chipset", "visorchipset", + VERSION, NULL); return 0; @@ -1306,20 +1383,8 @@ visorbus_exit(void) { struct list_head *listentry, *listtmp; - visorchipset_register_busdev(NULL, NULL, NULL); remove_all_visor_devices(); - flush_workqueue(periodic_dev_workqueue); /* better not be any work! */ - destroy_workqueue(periodic_dev_workqueue); - periodic_dev_workqueue = NULL; - - if (periodic_test_workqueue) { - cancel_delayed_work(&periodic_work); - flush_workqueue(periodic_test_workqueue); - destroy_workqueue(periodic_test_workqueue); - periodic_test_workqueue = NULL; - } - list_for_each_safe(listentry, listtmp, &list_all_bus_instances) { struct visor_device *dev = list_entry(listentry, struct visor_device, @@ -1329,9 +1394,6 @@ visorbus_exit(void) remove_bus_type(); } -module_param_named(debug, visorbus_debug, int, S_IRUGO); -MODULE_PARM_DESC(visorbus_debug, "1 to debug"); - module_param_named(forcematch, visorbus_forcematch, int, S_IRUGO); MODULE_PARM_DESC(visorbus_forcematch, "1 to force a successful dev <--> drv match"); @@ -1339,6 +1401,3 @@ MODULE_PARM_DESC(visorbus_forcematch, module_param_named(forcenomatch, visorbus_forcenomatch, int, S_IRUGO); MODULE_PARM_DESC(visorbus_forcenomatch, "1 to force an UNsuccessful dev <--> drv match"); - -module_param_named(debugref, visorbus_debugref, int, S_IRUGO); -MODULE_PARM_DESC(visorbus_debugref, "1 to debug reference counting"); diff --git a/drivers/staging/unisys/visorbus/visorbus_private.h b/drivers/staging/unisys/visorbus/visorbus_private.h index 39edd2018453..3f6ad5279f74 100644 --- a/drivers/staging/unisys/visorbus/visorbus_private.h +++ b/drivers/staging/unisys/visorbus/visorbus_private.h @@ -23,46 +23,43 @@ #include "vbusdeviceinfo.h" #include "vbushelper.h" -/* These functions will be called from within visorchipset when certain - * events happen. (The implementation of these functions is outside of - * visorchipset.) - */ -struct visorchipset_busdev_notifiers { - void (*bus_create)(struct visor_device *bus_info); - void (*bus_destroy)(struct visor_device *bus_info); - void (*device_create)(struct visor_device *bus_info); - void (*device_destroy)(struct visor_device *bus_info); - void (*device_pause)(struct visor_device *bus_info); - void (*device_resume)(struct visor_device *bus_info); -}; - -/* These functions live inside visorchipset, and will be called to indicate - * responses to specific events (by code outside of visorchipset). - * For now, the value for each response is simply either: - * 0 = it worked - * -1 = it failed - */ -struct visorchipset_busdev_responders { - void (*bus_create)(struct visor_device *p, int response); - void (*bus_destroy)(struct visor_device *p, int response); - void (*device_create)(struct visor_device *p, int response); - void (*device_destroy)(struct visor_device *p, int response); - void (*device_pause)(struct visor_device *p, int response); - void (*device_resume)(struct visor_device *p, int response); -}; +void chipset_bus_create(struct visor_device *bus_info); +void chipset_bus_destroy(struct visor_device *bus_info); +void chipset_device_create(struct visor_device *dev_info); +void chipset_device_destroy(struct visor_device *dev_info); +void chipset_device_pause(struct visor_device *dev_info); +void chipset_device_resume(struct visor_device *dev_info); -/** Register functions (in the bus driver) to get called by visorchipset - * whenever a bus or device appears for which this guest is to be the - * client for. visorchipset will fill in <responders>, to indicate - * functions the bus driver should call to indicate message responses. - */ -void -visorchipset_register_busdev( - struct visorchipset_busdev_notifiers *notifiers, - struct visorchipset_busdev_responders *responders, - struct ultra_vbus_deviceinfo *driver_info); +void bus_create_response(struct visor_device *p, int response); +void bus_destroy_response(struct visor_device *p, int response); +void device_create_response(struct visor_device *p, int response); +void device_destroy_response(struct visor_device *p, int response); +void device_resume_response(struct visor_device *p, int response); +void device_pause_response(struct visor_device *p, int response); -/* visorbus init and exit functions */ int visorbus_init(void); void visorbus_exit(void); + +/* visorchannel access functions */ + +struct visorchannel *visorchannel_create(u64 physaddr, + unsigned long channel_bytes, + gfp_t gfp, uuid_le guid); +struct visorchannel *visorchannel_create_with_lock(u64 physaddr, + unsigned long channel_bytes, + gfp_t gfp, uuid_le guid); +void visorchannel_destroy(struct visorchannel *channel); +int visorchannel_read(struct visorchannel *channel, ulong offset, + void *local, ulong nbytes); +int visorchannel_write(struct visorchannel *channel, ulong offset, + void *local, ulong nbytes); +u64 visorchannel_get_physaddr(struct visorchannel *channel); +ulong visorchannel_get_nbytes(struct visorchannel *channel); +char *visorchannel_id(struct visorchannel *channel, char *s); +char *visorchannel_zoneid(struct visorchannel *channel, char *s); +u64 visorchannel_get_clientpartition(struct visorchannel *channel); +int visorchannel_set_clientpartition(struct visorchannel *channel, + u64 partition_handle); +char *visorchannel_uuid_id(uuid_le *guid, char *s); +void __iomem *visorchannel_get_header(struct visorchannel *channel); #endif diff --git a/drivers/staging/unisys/visorbus/visorchannel.c b/drivers/staging/unisys/visorbus/visorchannel.c index 43373582cf1d..fbae66e024db 100644 --- a/drivers/staging/unisys/visorbus/visorchannel.c +++ b/drivers/staging/unisys/visorbus/visorchannel.c @@ -15,7 +15,7 @@ */ /* - * This provides Supervisor channel communication primitives, which are + * This provides s-Par channel communication primitives, which are * independent of the mechanism used to access the channel data. */ @@ -25,6 +25,7 @@ #include "version.h" #include "visorbus.h" #include "controlvmchannel.h" +#include "visorbus_private.h" #define MYDRVNAME "visorchannel" @@ -55,13 +56,32 @@ struct visorchannel { uuid_le inst; }; -/* Creates the struct visorchannel abstraction for a data area in memory, - * but does NOT modify this data area. +/** + * visorchannel_create_guts() - creates the struct visorchannel abstraction + * for a data area in memory, but does NOT modify + * this data area + * @physaddr: physical address of start of channel + * @channel_bytes: size of the channel in bytes; this may 0 if the channel has + * already been initialized in memory (which is true for all + * channels provided to guest environments by the s-Par + * back-end), in which case the actual channel size will be + * read from the channel header in memory + * @gfp: gfp_t to use when allocating memory for the data struct + * @guid: uuid that identifies channel type; this may 0 if the channel + * has already been initialized in memory (which is true for all + * channels provided to guest environments by the s-Par + * back-end), in which case the actual channel guid will be + * read from the channel header in memory + * @needs_lock: must specify true if you have multiple threads of execution + * that will be calling visorchannel methods of this + * visorchannel at the same time + * + * Return: pointer to visorchannel that was created if successful, + * otherwise NULL */ static struct visorchannel * visorchannel_create_guts(u64 physaddr, unsigned long channel_bytes, - gfp_t gfp, unsigned long off, - uuid_le guid, bool needs_lock) + gfp_t gfp, uuid_le guid, bool needs_lock) { struct visorchannel *channel; int err; @@ -78,7 +98,8 @@ visorchannel_create_guts(u64 physaddr, unsigned long channel_bytes, spin_lock_init(&channel->insert_lock); spin_lock_init(&channel->remove_lock); - /* Video driver constains the efi framebuffer so it will get a + /* + * Video driver constains the efi framebuffer so it will get a * conflict resource when requesting its full mem region. Since * we are only using the efi framebuffer for video we can ignore * this. Remember that we haven't requested it so we don't try to @@ -145,19 +166,17 @@ struct visorchannel * visorchannel_create(u64 physaddr, unsigned long channel_bytes, gfp_t gfp, uuid_le guid) { - return visorchannel_create_guts(physaddr, channel_bytes, gfp, 0, guid, + return visorchannel_create_guts(physaddr, channel_bytes, gfp, guid, false); } -EXPORT_SYMBOL_GPL(visorchannel_create); struct visorchannel * visorchannel_create_with_lock(u64 physaddr, unsigned long channel_bytes, gfp_t gfp, uuid_le guid) { - return visorchannel_create_guts(physaddr, channel_bytes, gfp, 0, guid, + return visorchannel_create_guts(physaddr, channel_bytes, gfp, guid, true); } -EXPORT_SYMBOL_GPL(visorchannel_create_with_lock); void visorchannel_destroy(struct visorchannel *channel) @@ -171,21 +190,18 @@ visorchannel_destroy(struct visorchannel *channel) } kfree(channel); } -EXPORT_SYMBOL_GPL(visorchannel_destroy); u64 visorchannel_get_physaddr(struct visorchannel *channel) { return channel->physaddr; } -EXPORT_SYMBOL_GPL(visorchannel_get_physaddr); ulong visorchannel_get_nbytes(struct visorchannel *channel) { return channel->nbytes; } -EXPORT_SYMBOL_GPL(visorchannel_get_nbytes); char * visorchannel_uuid_id(uuid_le *guid, char *s) @@ -193,28 +209,24 @@ visorchannel_uuid_id(uuid_le *guid, char *s) sprintf(s, "%pUL", guid); return s; } -EXPORT_SYMBOL_GPL(visorchannel_uuid_id); char * visorchannel_id(struct visorchannel *channel, char *s) { return visorchannel_uuid_id(&channel->guid, s); } -EXPORT_SYMBOL_GPL(visorchannel_id); char * visorchannel_zoneid(struct visorchannel *channel, char *s) { return visorchannel_uuid_id(&channel->chan_hdr.zone_uuid, s); } -EXPORT_SYMBOL_GPL(visorchannel_zoneid); u64 visorchannel_get_clientpartition(struct visorchannel *channel) { return channel->chan_hdr.partition_handle; } -EXPORT_SYMBOL_GPL(visorchannel_get_clientpartition); int visorchannel_set_clientpartition(struct visorchannel *channel, @@ -223,8 +235,13 @@ visorchannel_set_clientpartition(struct visorchannel *channel, channel->chan_hdr.partition_handle = partition_handle; return 0; } -EXPORT_SYMBOL_GPL(visorchannel_set_clientpartition); +/** + * visorchannel_get_uuid() - queries the UUID of the designated channel + * @channel: the channel to query + * + * Return: the UUID of the provided channel + */ uuid_le visorchannel_get_uuid(struct visorchannel *channel) { @@ -243,7 +260,6 @@ visorchannel_read(struct visorchannel *channel, ulong offset, return 0; } -EXPORT_SYMBOL_GPL(visorchannel_read); int visorchannel_write(struct visorchannel *channel, ulong offset, @@ -265,67 +281,32 @@ visorchannel_write(struct visorchannel *channel, ulong offset, return 0; } -EXPORT_SYMBOL_GPL(visorchannel_write); - -int -visorchannel_clear(struct visorchannel *channel, ulong offset, u8 ch, - ulong nbytes) -{ - int err; - int bufsize = PAGE_SIZE; - int written = 0; - u8 *buf; - - buf = (u8 *)__get_free_page(GFP_KERNEL); - if (!buf) - return -ENOMEM; - - memset(buf, ch, bufsize); - - while (nbytes > 0) { - int thisbytes = bufsize; - - if (nbytes < thisbytes) - thisbytes = nbytes; - err = visorchannel_write(channel, offset + written, - buf, thisbytes); - if (err) - goto out_free_page; - - written += thisbytes; - nbytes -= thisbytes; - } - err = 0; - -out_free_page: - free_page((unsigned long)buf); - return err; -} -EXPORT_SYMBOL_GPL(visorchannel_clear); void __iomem * visorchannel_get_header(struct visorchannel *channel) { return (void __iomem *)&channel->chan_hdr; } -EXPORT_SYMBOL_GPL(visorchannel_get_header); -/** Return offset of a specific SIGNAL_QUEUE_HEADER from the beginning of a - * channel header +/* + * Return offset of a specific SIGNAL_QUEUE_HEADER from the beginning of a + * channel header */ #define SIG_QUEUE_OFFSET(chan_hdr, q) \ ((chan_hdr)->ch_space_offset + \ ((q) * sizeof(struct signal_queue_header))) -/** Return offset of a specific queue entry (data) from the beginning of a - * channel header +/* + * Return offset of a specific queue entry (data) from the beginning of a + * channel header */ #define SIG_DATA_OFFSET(chan_hdr, q, sig_hdr, slot) \ (SIG_QUEUE_OFFSET(chan_hdr, q) + (sig_hdr)->sig_base_offset + \ ((slot) * (sig_hdr)->signal_size)) -/** Write the contents of a specific field within a SIGNAL_QUEUE_HEADER back - * into host memory +/* + * Write the contents of a specific field within a SIGNAL_QUEUE_HEADER back + * into host memory */ #define SIG_WRITE_FIELD(channel, queue, sig_hdr, FIELD) \ (visorchannel_write(channel, \ @@ -400,7 +381,8 @@ signalremove_inner(struct visorchannel *channel, u32 queue, void *msg) return false; sig_hdr.num_received++; - /* For each data field in SIGNAL_QUEUE_HEADER that was modified, + /* + * For each data field in SIGNAL_QUEUE_HEADER that was modified, * update host memory. */ mb(); /* required for channel synch */ @@ -411,6 +393,15 @@ signalremove_inner(struct visorchannel *channel, u32 queue, void *msg) return true; } +/** + * visorchannel_signalremove() - removes a message from the designated + * channel/queue + * @channel: the channel the message will be removed from + * @queue: the queue the message will be removed from + * @msg: the message to remove + * + * Return: boolean indicating whether the removal succeeded or failed + */ bool visorchannel_signalremove(struct visorchannel *channel, u32 queue, void *msg) { @@ -429,6 +420,15 @@ visorchannel_signalremove(struct visorchannel *channel, u32 queue, void *msg) } EXPORT_SYMBOL_GPL(visorchannel_signalremove); +/** + * visorchannel_signalempty() - checks if the designated channel/queue + * contains any messages + * @channel: the channel to query + * @queue: the queue in the channel to query + * + * Return: boolean indicating whether any messages in the designated + * channel/queue are present + */ bool visorchannel_signalempty(struct visorchannel *channel, u32 queue) { @@ -475,7 +475,8 @@ signalinsert_inner(struct visorchannel *channel, u32 queue, void *msg) sig_hdr.num_sent++; - /* For each data field in SIGNAL_QUEUE_HEADER that was modified, + /* + * For each data field in SIGNAL_QUEUE_HEADER that was modified, * update host memory. */ mb(); /* required for channel synch */ @@ -487,6 +488,15 @@ signalinsert_inner(struct visorchannel *channel, u32 queue, void *msg) return true; } +/** + * visorchannel_signalinsert() - inserts a message into the designated + * channel/queue + * @channel: the channel the message will be added to + * @queue: the queue the message will be added to + * @msg: the message to insert + * + * Return: boolean indicating whether the insertion succeeded or failed + */ bool visorchannel_signalinsert(struct visorchannel *channel, u32 queue, void *msg) { @@ -504,132 +514,3 @@ visorchannel_signalinsert(struct visorchannel *channel, u32 queue, void *msg) return rc; } EXPORT_SYMBOL_GPL(visorchannel_signalinsert); - -int -visorchannel_signalqueue_slots_avail(struct visorchannel *channel, u32 queue) -{ - struct signal_queue_header sig_hdr; - u32 slots_avail, slots_used; - u32 head, tail; - - if (!sig_read_header(channel, queue, &sig_hdr)) - return 0; - head = sig_hdr.head; - tail = sig_hdr.tail; - if (head < tail) - head = head + sig_hdr.max_slots; - slots_used = head - tail; - slots_avail = sig_hdr.max_signals - slots_used; - return (int)slots_avail; -} -EXPORT_SYMBOL_GPL(visorchannel_signalqueue_slots_avail); - -int -visorchannel_signalqueue_max_slots(struct visorchannel *channel, u32 queue) -{ - struct signal_queue_header sig_hdr; - - if (!sig_read_header(channel, queue, &sig_hdr)) - return 0; - return (int)sig_hdr.max_signals; -} -EXPORT_SYMBOL_GPL(visorchannel_signalqueue_max_slots); - -static void -sigqueue_debug(struct signal_queue_header *q, int which, struct seq_file *seq) -{ - seq_printf(seq, "Signal Queue #%d\n", which); - seq_printf(seq, " VersionId = %lu\n", (ulong)q->version); - seq_printf(seq, " Type = %lu\n", (ulong)q->chtype); - seq_printf(seq, " oSignalBase = %llu\n", - (long long)q->sig_base_offset); - seq_printf(seq, " SignalSize = %lu\n", (ulong)q->signal_size); - seq_printf(seq, " MaxSignalSlots = %lu\n", - (ulong)q->max_slots); - seq_printf(seq, " MaxSignals = %lu\n", (ulong)q->max_signals); - seq_printf(seq, " FeatureFlags = %-16.16Lx\n", - (long long)q->features); - seq_printf(seq, " NumSignalsSent = %llu\n", - (long long)q->num_sent); - seq_printf(seq, " NumSignalsReceived = %llu\n", - (long long)q->num_received); - seq_printf(seq, " NumOverflows = %llu\n", - (long long)q->num_overflows); - seq_printf(seq, " Head = %lu\n", (ulong)q->head); - seq_printf(seq, " Tail = %lu\n", (ulong)q->tail); -} - -void -visorchannel_debug(struct visorchannel *channel, int num_queues, - struct seq_file *seq, u32 off) -{ - u64 addr = 0; - ulong nbytes = 0, nbytes_region = 0; - struct channel_header hdr; - struct channel_header *phdr = &hdr; - int i = 0; - int errcode = 0; - - if (!channel) - return; - - addr = visorchannel_get_physaddr(channel); - nbytes_region = visorchannel_get_nbytes(channel); - errcode = visorchannel_read(channel, off, - phdr, sizeof(struct channel_header)); - if (errcode < 0) { - seq_printf(seq, - "Read of channel header failed with errcode=%d)\n", - errcode); - if (off == 0) { - phdr = &channel->chan_hdr; - seq_puts(seq, "(following data may be stale)\n"); - } else { - return; - } - } - nbytes = (ulong)(phdr->size); - seq_printf(seq, "--- Begin channel @0x%-16.16Lx for 0x%lx bytes (region=0x%lx bytes) ---\n", - addr + off, nbytes, nbytes_region); - seq_printf(seq, "Type = %pUL\n", &phdr->chtype); - seq_printf(seq, "ZoneGuid = %pUL\n", &phdr->zone_uuid); - seq_printf(seq, "Signature = 0x%-16.16Lx\n", - (long long)phdr->signature); - seq_printf(seq, "LegacyState = %lu\n", (ulong)phdr->legacy_state); - seq_printf(seq, "SrvState = %lu\n", (ulong)phdr->srv_state); - seq_printf(seq, "CliStateBoot = %lu\n", (ulong)phdr->cli_state_boot); - seq_printf(seq, "CliStateOS = %lu\n", (ulong)phdr->cli_state_os); - seq_printf(seq, "HeaderSize = %lu\n", (ulong)phdr->header_size); - seq_printf(seq, "Size = %llu\n", (long long)phdr->size); - seq_printf(seq, "Features = 0x%-16.16llx\n", - (long long)phdr->features); - seq_printf(seq, "PartitionHandle = 0x%-16.16llx\n", - (long long)phdr->partition_handle); - seq_printf(seq, "Handle = 0x%-16.16llx\n", - (long long)phdr->handle); - seq_printf(seq, "VersionId = %lu\n", (ulong)phdr->version_id); - seq_printf(seq, "oChannelSpace = %llu\n", - (long long)phdr->ch_space_offset); - if ((phdr->ch_space_offset == 0) || (errcode < 0)) - ; - else - for (i = 0; i < num_queues; i++) { - struct signal_queue_header q; - - errcode = visorchannel_read(channel, - off + - phdr->ch_space_offset + - (i * sizeof(q)), - &q, sizeof(q)); - if (errcode < 0) { - seq_printf(seq, - "failed to read signal queue #%d from channel @0x%-16.16Lx errcode=%d\n", - i, addr, errcode); - continue; - } - sigqueue_debug(&q, i, seq); - } - seq_printf(seq, "--- End channel @0x%-16.16Lx for 0x%lx bytes ---\n", - addr + off, nbytes); -} -EXPORT_SYMBOL_GPL(visorchannel_debug); diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c index d248c946a13b..0b4a138d9c45 100644 --- a/drivers/staging/unisys/visorbus/visorchipset.c +++ b/drivers/staging/unisys/visorbus/visorchipset.c @@ -29,7 +29,6 @@ #include "controlvmchannel.h" #include "controlvmcompletionstatus.h" #include "guestlinuxdebug.h" -#include "periodic_work.h" #include "version.h" #include "visorbus.h" #include "visorbus_private.h" @@ -79,15 +78,15 @@ visorchipset_release(struct inode *inode, struct file *file) return 0; } -/* When the controlvm channel is idle for at least MIN_IDLE_SECONDS, -* we switch to slow polling mode. As soon as we get a controlvm -* message, we switch back to fast polling mode. -*/ +/* + * When the controlvm channel is idle for at least MIN_IDLE_SECONDS, + * we switch to slow polling mode. As soon as we get a controlvm + * message, we switch back to fast polling mode. + */ #define MIN_IDLE_SECONDS 10 static unsigned long poll_jiffies = POLLJIFFIES_CONTROLVMCHANNEL_FAST; /* when we got our last controlvm message */ static unsigned long most_recent_message_jiffies; -static int visorbusregistered; struct parser_context { unsigned long allocbytes; @@ -99,7 +98,6 @@ struct parser_context { }; static struct delayed_work periodic_controlvm_work; -static DEFINE_SEMAPHORE(notifier_lock); static struct cdev file_cdev; static struct visorchannel **file_controlvm_channel; @@ -113,7 +111,8 @@ static struct visorchannel *controlvm_channel; /* Manages the request payload in the controlvm channel */ struct visor_controlvm_payload_info { u8 *ptr; /* pointer to base address of payload pool */ - u64 offset; /* offset from beginning of controlvm + u64 offset; /* + * offset from beginning of controlvm * channel to beginning of payload * pool */ u32 bytes; /* number of bytes in payload pool */ @@ -121,15 +120,17 @@ struct visor_controlvm_payload_info { static struct visor_controlvm_payload_info controlvm_payload_info; -/* The following globals are used to handle the scenario where we are unable to - * offload the payload from a controlvm message due to memory requirements. In +/* + * The following globals are used to handle the scenario where we are unable to + * offload the payload from a controlvm message due to memory requirements. In * this scenario, we simply stash the controlvm message, then attempt to * process it again the next time controlvm_periodic_work() runs. */ static struct controlvm_message controlvm_pending_msg; static bool controlvm_pending_msg_valid; -/* This identifies a data buffer that has been received via a controlvm messages +/* + * This identifies a data buffer that has been received via a controlvm messages * in a remote --> local CONTROLVM_TRANSMIT_FILE conversation. */ struct putfile_buffer_entry { @@ -137,13 +138,15 @@ struct putfile_buffer_entry { struct parser_context *parser_ctx; /* points to input data buffer */ }; -/* List of struct putfile_request *, via next_putfile_request member. +/* + * List of struct putfile_request *, via next_putfile_request member. * Each entry in this list identifies an outstanding TRANSMIT_FILE * conversation. */ static LIST_HEAD(putfile_request_list); -/* This describes a buffer and its current state of transfer (e.g., how many +/* + * This describes a buffer and its current state of transfer (e.g., how many * bytes have already been supplied as putfile data, and how many bytes are * remaining) for a putfile_request. */ @@ -155,8 +158,9 @@ struct putfile_active_buffer { }; #define PUTFILE_REQUEST_SIG 0x0906101302281211 -/* This identifies a single remote --> local CONTROLVM_TRANSMIT_FILE - * conversation. Structs of this type are dynamically linked into +/* + * This identifies a single remote --> local CONTROLVM_TRANSMIT_FILE + * conversation. Structs of this type are dynamically linked into * <Putfile_request_list>. */ struct putfile_request { @@ -168,7 +172,8 @@ struct putfile_request { /* link to next struct putfile_request */ struct list_head next_putfile_request; - /* head of putfile_buffer_entry list, which describes the data to be + /* + * head of putfile_buffer_entry list, which describes the data to be * supplied as putfile data; * - this list is added to when controlvm messages come in that supply * file data @@ -184,11 +189,13 @@ struct putfile_request { /* data not yet read within current putfile_buffer_entry */ struct putfile_active_buffer active_buf; - /* <0 = failed, 0 = in-progress, >0 = successful; */ - /* note that this must be set with req_list_lock, and if you set <0, */ - /* it is your responsibility to also free up all of the other objects */ - /* in this struct (like input_buffer_list, active_buf.parser_ctx) */ - /* before releasing the lock */ + /* + * <0 = failed, 0 = in-progress, >0 = successful; + * note that this must be set with req_list_lock, and if you set <0, + * it is your responsibility to also free up all of the other objects + * in this struct (like input_buffer_list, active_buf.parser_ctx) + * before releasing the lock + */ int completion_status; }; @@ -203,31 +210,8 @@ static LIST_HEAD(parahotplug_request_list); static DEFINE_SPINLOCK(parahotplug_request_list_lock); /* lock for above */ static void parahotplug_process_list(void); -/* Manages the info for a CONTROLVM_DUMP_CAPTURESTATE / - * CONTROLVM_REPORTEVENT. - */ -static struct visorchipset_busdev_notifiers busdev_notifiers; - -static void bus_create_response(struct visor_device *p, int response); -static void bus_destroy_response(struct visor_device *p, int response); -static void device_create_response(struct visor_device *p, int response); -static void device_destroy_response(struct visor_device *p, int response); -static void device_resume_response(struct visor_device *p, int response); - -static void visorchipset_device_pause_response(struct visor_device *p, - int response); - -static struct visorchipset_busdev_responders busdev_responders = { - .bus_create = bus_create_response, - .bus_destroy = bus_destroy_response, - .device_create = device_create_response, - .device_destroy = device_destroy_response, - .device_pause = visorchipset_device_pause_response, - .device_resume = device_resume_response, -}; - /* info for /dev/visorchipset */ -static dev_t major_dev = -1; /**< indicates major num for device */ +static dev_t major_dev = -1; /*< indicates major num for device */ /* prototypes for attributes */ static ssize_t toolaction_show(struct device *dev, @@ -397,8 +381,9 @@ parser_id_get(struct parser_context *ctx) return phdr->id; } -/** Describes the state from the perspective of which controlvm messages have - * been received for a bus or device. +/* + * Describes the state from the perspective of which controlvm messages have + * been received for a bus or device. */ enum PARSER_WHICH_STRING { @@ -683,32 +668,6 @@ struct visor_device *visorbus_get_device_by_id(u32 bus_no, u32 dev_no, vdev = to_visor_device(dev); return vdev; } -EXPORT_SYMBOL(visorbus_get_device_by_id); - -void -visorchipset_register_busdev( - struct visorchipset_busdev_notifiers *notifiers, - struct visorchipset_busdev_responders *responders, - struct ultra_vbus_deviceinfo *driver_info) -{ - down(¬ifier_lock); - if (!notifiers) { - memset(&busdev_notifiers, 0, - sizeof(busdev_notifiers)); - visorbusregistered = 0; /* clear flag */ - } else { - busdev_notifiers = *notifiers; - visorbusregistered = 1; /* set flag */ - } - if (responders) - *responders = busdev_responders; - if (driver_info) - bus_device_info_init(driver_info, "chipset", "visorchipset", - VERSION, NULL); - - up(¬ifier_lock); -} -EXPORT_SYMBOL_GPL(visorchipset_register_busdev); static void chipset_init(struct controlvm_message *inmsg) @@ -725,14 +684,16 @@ chipset_init(struct controlvm_message *inmsg) chipset_inited = 1; POSTCODE_LINUX_2(CHIPSET_INIT_EXIT_PC, POSTCODE_SEVERITY_INFO); - /* Set features to indicate we support parahotplug (if Command + /* + * Set features to indicate we support parahotplug (if Command * also supports it). */ features = inmsg->cmd.init_chipset. features & ULTRA_CHIPSET_FEATURE_PARA_HOTPLUG; - /* Set the "reply" bit so Command knows this is a + /* + * Set the "reply" bit so Command knows this is a * features-aware driver. */ features |= ULTRA_CHIPSET_FEATURE_REPLY; @@ -920,20 +881,20 @@ bus_epilog(struct visor_device *bus_info, { struct controlvm_message_header *pmsg_hdr = NULL; - down(¬ifier_lock); - if (!bus_info) { - /* relying on a valid passed in response code */ - /* be lazy and re-use msg_hdr for this failure, is this ok?? */ + /* + * relying on a valid passed in response code + * be lazy and re-use msg_hdr for this failure, is this ok?? + */ pmsg_hdr = msg_hdr; - goto out_respond_and_unlock; + goto out_respond; } if (bus_info->pending_msg_hdr) { /* only non-NULL if dev is still waiting on a response */ response = -CONTROLVM_RESP_ERROR_MESSAGE_ID_INVALID_FOR_CLIENT; pmsg_hdr = bus_info->pending_msg_hdr; - goto out_respond_and_unlock; + goto out_respond; } if (need_response) { @@ -942,7 +903,7 @@ bus_epilog(struct visor_device *bus_info, POSTCODE_LINUX_4(MALLOC_FAILURE_PC, cmd, bus_info->chipset_bus_no, POSTCODE_SEVERITY_ERR); - goto out_unlock; + return; } memcpy(pmsg_hdr, msg_hdr, @@ -953,25 +914,16 @@ bus_epilog(struct visor_device *bus_info, if (response == CONTROLVM_RESP_SUCCESS) { switch (cmd) { case CONTROLVM_BUS_CREATE: - if (busdev_notifiers.bus_create) { - (*busdev_notifiers.bus_create) (bus_info); - goto out_unlock; - } + chipset_bus_create(bus_info); break; case CONTROLVM_BUS_DESTROY: - if (busdev_notifiers.bus_destroy) { - (*busdev_notifiers.bus_destroy) (bus_info); - goto out_unlock; - } + chipset_bus_destroy(bus_info); break; } } -out_respond_and_unlock: +out_respond: bus_responder(cmd, pmsg_hdr, response); - -out_unlock: - up(¬ifier_lock); } static void @@ -980,31 +932,29 @@ device_epilog(struct visor_device *dev_info, struct controlvm_message_header *msg_hdr, int response, bool need_response, bool for_visorbus) { - struct visorchipset_busdev_notifiers *notifiers; struct controlvm_message_header *pmsg_hdr = NULL; - notifiers = &busdev_notifiers; - - down(¬ifier_lock); if (!dev_info) { - /* relying on a valid passed in response code */ - /* be lazy and re-use msg_hdr for this failure, is this ok?? */ + /* + * relying on a valid passed in response code + * be lazy and re-use msg_hdr for this failure, is this ok?? + */ pmsg_hdr = msg_hdr; - goto out_respond_and_unlock; + goto out_respond; } if (dev_info->pending_msg_hdr) { /* only non-NULL if dev is still waiting on a response */ response = -CONTROLVM_RESP_ERROR_MESSAGE_ID_INVALID_FOR_CLIENT; pmsg_hdr = dev_info->pending_msg_hdr; - goto out_respond_and_unlock; + goto out_respond; } if (need_response) { pmsg_hdr = kzalloc(sizeof(*pmsg_hdr), GFP_KERNEL); if (!pmsg_hdr) { response = -CONTROLVM_RESP_ERROR_KMALLOC_FAILED; - goto out_respond_and_unlock; + goto out_respond; } memcpy(pmsg_hdr, msg_hdr, @@ -1015,48 +965,34 @@ device_epilog(struct visor_device *dev_info, if (response >= 0) { switch (cmd) { case CONTROLVM_DEVICE_CREATE: - if (notifiers->device_create) { - (*notifiers->device_create) (dev_info); - goto out_unlock; - } + chipset_device_create(dev_info); break; case CONTROLVM_DEVICE_CHANGESTATE: /* ServerReady / ServerRunning / SegmentStateRunning */ if (state.alive == segment_state_running.alive && state.operating == segment_state_running.operating) { - if (notifiers->device_resume) { - (*notifiers->device_resume) (dev_info); - goto out_unlock; - } + chipset_device_resume(dev_info); } /* ServerNotReady / ServerLost / SegmentStateStandby */ else if (state.alive == segment_state_standby.alive && state.operating == segment_state_standby.operating) { - /* technically this is standby case + /* + * technically this is standby case * where server is lost */ - if (notifiers->device_pause) { - (*notifiers->device_pause) (dev_info); - goto out_unlock; - } + chipset_device_pause(dev_info); } break; case CONTROLVM_DEVICE_DESTROY: - if (notifiers->device_destroy) { - (*notifiers->device_destroy) (dev_info); - goto out_unlock; - } + chipset_device_destroy(dev_info); break; } } -out_respond_and_unlock: +out_respond: device_responder(cmd, pmsg_hdr, response); - -out_unlock: - up(¬ifier_lock); } static void @@ -1303,11 +1239,19 @@ my_device_destroy(struct controlvm_message *inmsg) inmsg->hdr.flags.response_expected == 1, 1); } -/* When provided with the physical address of the controlvm channel +/** + * initialize_controlvm_payload_info() - init controlvm_payload_info struct + * @phys_addr: the physical address of controlvm channel + * @offset: the offset to payload + * @bytes: the size of the payload in bytes + * @info: the returning valid struct + * + * When provided with the physical address of the controlvm channel * (phys_addr), the offset to the payload area we need to manage * (offset), and the size of this payload area (bytes), fills in the - * controlvm_payload_info struct. Returns true for success or false - * for failure. + * controlvm_payload_info struct. + * + * Return: CONTROLVM_RESP_SUCCESS for success or a negative for failure */ static int initialize_controlvm_payload_info(u64 phys_addr, u64 offset, u32 bytes, @@ -1371,8 +1315,12 @@ initialize_controlvm_payload(void) &controlvm_payload_info); } -/* Send ACTION=online for DEVPATH=/sys/devices/platform/visorchipset. - * Returns CONTROLVM_RESP_xxx code. +/** + * visorchipset_chipset_ready() - sends chipset_ready action + * + * Send ACTION=online for DEVPATH=/sys/devices/platform/visorchipset. + * + * Return: CONTROLVM_RESP_SUCCESS */ static int visorchipset_chipset_ready(void) @@ -1393,8 +1341,12 @@ visorchipset_chipset_selftest(void) return CONTROLVM_RESP_SUCCESS; } -/* Send ACTION=offline for DEVPATH=/sys/devices/platform/visorchipset. - * Returns CONTROLVM_RESP_xxx code. +/** + * visorchipset_chipset_notready() - sends chipset_notready action + * + * Send ACTION=offline for DEVPATH=/sys/devices/platform/visorchipset. + * + * Return: CONTROLVM_RESP_SUCCESS */ static int visorchipset_chipset_notready(void) @@ -1436,8 +1388,13 @@ chipset_notready(struct controlvm_message_header *msg_hdr) controlvm_respond(msg_hdr, rc); } -/* This is your "one-stop" shop for grabbing the next message from the - * CONTROLVM_QUEUE_EVENT queue in the controlvm channel. +/** + * read_controlvm_event() - retreives the next message from the + * CONTROLVM_QUEUE_EVENT queue in the controlvm + * channel + * @msg: pointer to the retrieved message + * + * Return: true if a valid message was retrieved or false otherwise */ static bool read_controlvm_event(struct controlvm_message *msg) @@ -1453,13 +1410,13 @@ read_controlvm_event(struct controlvm_message *msg) } /* - * The general parahotplug flow works as follows. The visorchipset + * The general parahotplug flow works as follows. The visorchipset * driver receives a DEVICE_CHANGESTATE message from Command - * specifying a physical device to enable or disable. The CONTROLVM + * specifying a physical device to enable or disable. The CONTROLVM * message handler calls parahotplug_process_message, which then adds * the message to a global list and kicks off a udev event which * causes a user level script to enable or disable the specified - * device. The udev script then writes to + * device. The udev script then writes to * /proc/visorchipset/parahotplug, which causes parahotplug_proc_write * to get called, at which point the appropriate CONTROLVM message is * retrieved from the list and responded to. @@ -1467,9 +1424,11 @@ read_controlvm_event(struct controlvm_message *msg) #define PARAHOTPLUG_TIMEOUT_MS 2000 -/* - * Generate unique int to match an outstanding CONTROLVM message with a - * udev script /proc response +/** + * parahotplug_next_id() - generate unique int to match an outstanding CONTROLVM + * message with a udev script /proc response + * + * Return: a unique integer value */ static int parahotplug_next_id(void) @@ -1479,9 +1438,12 @@ parahotplug_next_id(void) return atomic_inc_return(&id); } -/* - * Returns the time (in jiffies) when a CONTROLVM message on the list - * should expire -- PARAHOTPLUG_TIMEOUT_MS in the future +/** + * parahotplug_next_expiration() - returns the time (in jiffies) when a + * CONTROLVM message on the list should expire + * -- PARAHOTPLUG_TIMEOUT_MS in the future + * + * Return: expected expiration time (in jiffies) */ static unsigned long parahotplug_next_expiration(void) @@ -1489,9 +1451,13 @@ parahotplug_next_expiration(void) return jiffies + msecs_to_jiffies(PARAHOTPLUG_TIMEOUT_MS); } -/* - * Create a parahotplug_request, which is basically a wrapper for a - * CONTROLVM_MESSAGE that we can stick on a list +/** + * parahotplug_request_create() - create a parahotplug_request, which is + * basically a wrapper for a CONTROLVM_MESSAGE + * that we can stick on a list + * @msg: the message to insert in the request + * + * Return: the request containing the provided message */ static struct parahotplug_request * parahotplug_request_create(struct controlvm_message *msg) @@ -1509,8 +1475,9 @@ parahotplug_request_create(struct controlvm_message *msg) return req; } -/* - * Free a parahotplug_request. +/** + * parahotplug_request_destroy() - free a parahotplug_request + * @req: the request to deallocate */ static void parahotplug_request_destroy(struct parahotplug_request *req) @@ -1518,10 +1485,12 @@ parahotplug_request_destroy(struct parahotplug_request *req) kfree(req); } -/* - * Cause uevent to run the user level script to do the disable/enable - * specified in (the CONTROLVM message in) the specified - * parahotplug_request +/** + * parahotplug_request_kickoff() - initiate parahotplug request + * @req: the request to initiate + * + * Cause uevent to run the user level script to do the disable/enable specified + * in the parahotplug_request. */ static void parahotplug_request_kickoff(struct parahotplug_request *req) @@ -1548,9 +1517,9 @@ parahotplug_request_kickoff(struct parahotplug_request *req) envp); } -/* - * Remove any request from the list that's been on there too long and - * respond with an error. +/** + * parahotplug_process_list() - remove any request from the list that's been on + * there too long and respond with an error */ static void parahotplug_process_list(void) @@ -1579,10 +1548,16 @@ parahotplug_process_list(void) spin_unlock(¶hotplug_request_list_lock); } -/* +/** + * parahotplug_request_complete() - mark request as complete + * @id: the id of the request + * @active: indicates whether the request is assigned to active partition + * * Called from the /proc handler, which means the user script has - * finished the enable/disable. Find the matching identifier, and + * finished the enable/disable. Find the matching identifier, and * respond to the CONTROLVM message with success. + * + * Return: 0 on success or -EINVAL on failure */ static int parahotplug_request_complete(int id, u16 active) @@ -1597,7 +1572,8 @@ parahotplug_request_complete(int id, u16 active) struct parahotplug_request *req = list_entry(pos, struct parahotplug_request, list); if (req->id == id) { - /* Found a match. Remove it from the list and + /* + * Found a match. Remove it from the list and * respond. */ list_del(pos); @@ -1616,8 +1592,10 @@ parahotplug_request_complete(int id, u16 active) return -EINVAL; } -/* - * Enables or disables a PCI device by kicking off a udev script +/** + * parahotplug_process_message() - enables or disables a PCI device by kicking + * off a udev script + * @inmsg: the message indicating whether to enable or disable */ static void parahotplug_process_message(struct controlvm_message *inmsg) @@ -1630,14 +1608,16 @@ parahotplug_process_message(struct controlvm_message *inmsg) return; if (inmsg->cmd.device_change_state.state.active) { - /* For enable messages, just respond with success - * right away. This is a bit of a hack, but there are - * issues with the early enable messages we get (with - * either the udev script not detecting that the device - * is up, or not getting called at all). Fortunately - * the messages that get lost don't matter anyway, as - * devices are automatically enabled at - * initialization. + /* + * For enable messages, just respond with success + * right away. This is a bit of a hack, but there are + * issues with the early enable messages we get (with + * either the udev script not detecting that the device + * is up, or not getting called at all). Fortunately + * the messages that get lost don't matter anyway, as + * + * devices are automatically enabled at + * initialization. */ parahotplug_request_kickoff(req); controlvm_respond_physdev_changestate @@ -1646,11 +1626,12 @@ parahotplug_process_message(struct controlvm_message *inmsg) inmsg->cmd.device_change_state.state); parahotplug_request_destroy(req); } else { - /* For disable messages, add the request to the - * request list before kicking off the udev script. It - * won't get responded to until the script has - * indicated it's done. - */ + /* + * For disable messages, add the request to the + * request list before kicking off the udev script. It + * won't get responded to until the script has + * indicated it's done. + */ spin_lock(¶hotplug_request_list_lock); list_add_tail(&req->list, ¶hotplug_request_list); spin_unlock(¶hotplug_request_list_lock); @@ -1659,8 +1640,12 @@ parahotplug_process_message(struct controlvm_message *inmsg) } } -/* Process a controlvm message. - * Return result: +/** + * handle_command() - process a controlvm message + * @inmsg: the message to process + * @channel_addr: address of the controlvm channel + * + * Return: * false - this function will return false only in the case where the * controlvm message was NOT processed, but processing must be * retried before reading the next controlvm message; a @@ -1668,7 +1653,7 @@ parahotplug_process_message(struct controlvm_message *inmsg) * the allocation of memory in which to copy out controlvm * payload data * true - processing of the controlvm message completed, - * either successfully or with an error. + * either successfully or with an error */ static bool handle_command(struct controlvm_message inmsg, u64 channel_addr) @@ -1687,8 +1672,9 @@ handle_command(struct controlvm_message inmsg, u64 channel_addr) parm_addr = channel_addr + inmsg.hdr.payload_vm_offset; parm_bytes = inmsg.hdr.payload_bytes; - /* Parameter and channel addresses within test messages actually lie - * within our OS-controlled memory. We need to know that, because it + /* + * Parameter and channel addresses within test messages actually lie + * within our OS-controlled memory. We need to know that, because it * makes a difference in how we compute the virtual address. */ if (parm_addr && parm_bytes) { @@ -1729,8 +1715,10 @@ handle_command(struct controlvm_message inmsg, u64 channel_addr) if (cmd->device_change_state.flags.phys_device) { parahotplug_process_message(&inmsg); } else { - /* save the hdr and cmd structures for later use */ - /* when sending back the response to Command */ + /* + * save the hdr and cmd structures for later use + * when sending back the response to Command + */ my_device_changestate(&inmsg); g_devicechangestate_packet = inmsg.cmd; break; @@ -1802,20 +1790,17 @@ controlvm_periodic_work(struct work_struct *work) bool got_command = false; bool handle_command_failed = false; - /* make sure visorbus server is registered for controlvm callbacks */ - if (visorchipset_visorbusregwait && !visorbusregistered) - goto cleanup; - while (visorchannel_signalremove(controlvm_channel, CONTROLVM_QUEUE_RESPONSE, &inmsg)) ; if (!got_command) { if (controlvm_pending_msg_valid) { - /* we throttled processing of a prior - * msg, so try to process it again - * rather than reading a new one - */ + /* + * we throttled processing of a prior + * msg, so try to process it again + * rather than reading a new one + */ inmsg = controlvm_pending_msg; controlvm_pending_msg_valid = false; got_command = true; @@ -1832,12 +1817,13 @@ controlvm_periodic_work(struct work_struct *work) (controlvm_channel))) got_command = read_controlvm_event(&inmsg); else { - /* this is a scenario where throttling - * is required, but probably NOT an - * error...; we stash the current - * controlvm msg so we will attempt to - * reprocess it on our next loop - */ + /* + * this is a scenario where throttling + * is required, but probably NOT an + * error...; we stash the current + * controlvm msg so we will attempt to + * reprocess it on our next loop + */ handle_command_failed = true; controlvm_pending_msg = inmsg; controlvm_pending_msg_valid = true; @@ -1847,14 +1833,13 @@ controlvm_periodic_work(struct work_struct *work) /* parahotplug_worker */ parahotplug_process_list(); -cleanup: - if (time_after(jiffies, most_recent_message_jiffies + (HZ * MIN_IDLE_SECONDS))) { - /* it's been longer than MIN_IDLE_SECONDS since we - * processed our last controlvm message; slow down the - * polling - */ + /* + * it's been longer than MIN_IDLE_SECONDS since we + * processed our last controlvm message; slow down the + * polling + */ if (poll_jiffies != POLLJIFFIES_CONTROLVMCHANNEL_SLOW) poll_jiffies = POLLJIFFIES_CONTROLVMCHANNEL_SLOW; } else { @@ -1874,13 +1859,6 @@ setup_crash_devices_work_queue(struct work_struct *work) u32 local_crash_msg_offset; u16 local_crash_msg_count; - /* make sure visorbus is registered for controlvm callbacks */ - if (visorchipset_visorbusregwait && !visorbusregistered) { - poll_jiffies = POLLJIFFIES_CONTROLVMCHANNEL_SLOW; - schedule_delayed_work(&periodic_controlvm_work, poll_jiffies); - return; - } - POSTCODE_LINUX_2(CRASH_DEV_ENTRY_PC, POSTCODE_SEVERITY_INFO); /* send init chipset msg */ @@ -1958,7 +1936,7 @@ setup_crash_devices_work_queue(struct work_struct *work) POSTCODE_LINUX_2(CRASH_DEV_EXIT_PC, POSTCODE_SEVERITY_INFO); } -static void +void bus_create_response(struct visor_device *bus_info, int response) { if (response >= 0) @@ -1971,7 +1949,7 @@ bus_create_response(struct visor_device *bus_info, int response) bus_info->pending_msg_hdr = NULL; } -static void +void bus_destroy_response(struct visor_device *bus_info, int response) { bus_responder(CONTROLVM_BUS_DESTROY, bus_info->pending_msg_hdr, @@ -1981,7 +1959,7 @@ bus_destroy_response(struct visor_device *bus_info, int response) bus_info->pending_msg_hdr = NULL; } -static void +void device_create_response(struct visor_device *dev_info, int response) { if (response >= 0) @@ -1994,7 +1972,7 @@ device_create_response(struct visor_device *dev_info, int response) dev_info->pending_msg_hdr = NULL; } -static void +void device_destroy_response(struct visor_device *dev_info, int response) { device_responder(CONTROLVM_DEVICE_DESTROY, dev_info->pending_msg_hdr, @@ -2004,9 +1982,9 @@ device_destroy_response(struct visor_device *dev_info, int response) dev_info->pending_msg_hdr = NULL; } -static void -visorchipset_device_pause_response(struct visor_device *dev_info, - int response) +void +device_pause_response(struct visor_device *dev_info, + int response) { device_changestate_responder(CONTROLVM_DEVICE_CHANGESTATE, dev_info, response, @@ -2016,7 +1994,7 @@ visorchipset_device_pause_response(struct visor_device *dev_info, dev_info->pending_msg_hdr = NULL; } -static void +void device_resume_response(struct visor_device *dev_info, int response) { device_changestate_responder(CONTROLVM_DEVICE_CHANGESTATE, @@ -2027,26 +2005,47 @@ device_resume_response(struct visor_device *dev_info, int response) dev_info->pending_msg_hdr = NULL; } -/* The parahotplug/devicedisabled interface gets called by our support script +/** + * devicedisabled_store() - disables the hotplug device + * @dev: sysfs interface variable not utilized in this function + * @attr: sysfs interface variable not utilized in this function + * @buf: buffer containing the device id + * @count: the size of the buffer + * + * The parahotplug/devicedisabled interface gets called by our support script * when an SR-IOV device has been shut down. The ID is passed to the script * and then passed back when the device has been removed. + * + * Return: the size of the buffer for success or negative for error */ static ssize_t devicedisabled_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { unsigned int id; + int err; if (kstrtouint(buf, 10, &id)) return -EINVAL; - parahotplug_request_complete(id, 0); + err = parahotplug_request_complete(id, 0); + if (err < 0) + return err; return count; } -/* The parahotplug/deviceenabled interface gets called by our support script +/** + * deviceenabled_store() - enables the hotplug device + * @dev: sysfs interface variable not utilized in this function + * @attr: sysfs interface variable not utilized in this function + * @buf: buffer containing the device id + * @count: the size of the buffer + * + * The parahotplug/deviceenabled interface gets called by our support script * when an SR-IOV device has been recovered. The ID is passed to the script * and then passed back when the device has been brought back up. + * + * Return: the size of the buffer for success or negative for error */ static ssize_t deviceenabled_store(struct device *dev, struct device_attribute *attr, @@ -2202,7 +2201,6 @@ visorchipset_init(struct acpi_device *acpi_device) if (!addr) goto error; - memset(&busdev_notifiers, 0, sizeof(busdev_notifiers)); memset(&controlvm_payload_info, 0, sizeof(controlvm_payload_info)); controlvm_channel = visorchannel_create_with_lock(addr, 0, diff --git a/drivers/staging/unisys/visorinput/visorinput.c b/drivers/staging/unisys/visorinput/visorinput.c index d67cd76327c0..2aff9457b7e6 100644 --- a/drivers/staging/unisys/visorinput/visorinput.c +++ b/drivers/staging/unisys/visorinput/visorinput.c @@ -63,9 +63,10 @@ enum visorinput_device_type { */ struct visorinput_devdata { struct visor_device *dev; - struct rw_semaphore lock_visor_dev; /* lock for dev */ + struct mutex lock_visor_dev; /* lock for dev */ struct input_dev *visorinput_dev; bool paused; + bool interrupts_enabled; unsigned int keycode_table_bytes; /* size of following array */ /* for keyboard devices: visorkbd_keycode[] + visorkbd_ext_keycode[] */ unsigned char keycode_table[0]; @@ -228,7 +229,21 @@ static int visorinput_open(struct input_dev *visorinput_dev) return -EINVAL; } dev_dbg(&visorinput_dev->dev, "%s opened\n", __func__); + + /* + * If we're not paused, really enable interrupts. + * Regardless of whether we are paused, set a flag indicating + * interrupts should be enabled so when we resume, interrupts + * will really be enabled. + */ + mutex_lock(&devdata->lock_visor_dev); + devdata->interrupts_enabled = true; + if (devdata->paused) + goto out_unlock; visorbus_enable_channel_interrupts(devdata->dev); + +out_unlock: + mutex_unlock(&devdata->lock_visor_dev); return 0; } @@ -243,20 +258,35 @@ static void visorinput_close(struct input_dev *visorinput_dev) return; } dev_dbg(&visorinput_dev->dev, "%s closed\n", __func__); + + /* + * If we're not paused, really disable interrupts. + * Regardless of whether we are paused, set a flag indicating + * interrupts should be disabled so when we resume we will + * not re-enable them. + */ + + mutex_lock(&devdata->lock_visor_dev); + devdata->interrupts_enabled = false; + if (devdata->paused) + goto out_unlock; visorbus_disable_channel_interrupts(devdata->dev); + +out_unlock: + mutex_unlock(&devdata->lock_visor_dev); } /* - * register_client_keyboard() initializes and returns a Linux input node that + * setup_client_keyboard() initializes and returns a Linux input node that * we can use to deliver keyboard inputs to Linux. We of course do this when * we see keyboard inputs coming in on a keyboard channel. */ static struct input_dev * -register_client_keyboard(void *devdata, /* opaque on purpose */ - unsigned char *keycode_table) +setup_client_keyboard(void *devdata, /* opaque on purpose */ + unsigned char *keycode_table) { - int i, error; + int i; struct input_dev *visorinput_dev; visorinput_dev = input_allocate_device(); @@ -290,18 +320,12 @@ register_client_keyboard(void *devdata, /* opaque on purpose */ visorinput_dev->close = visorinput_close; input_set_drvdata(visorinput_dev, devdata); /* pre input_register! */ - error = input_register_device(visorinput_dev); - if (error) { - input_free_device(visorinput_dev); - return NULL; - } return visorinput_dev; } static struct input_dev * -register_client_mouse(void *devdata /* opaque on purpose */) +setup_client_mouse(void *devdata /* opaque on purpose */) { - int error; struct input_dev *visorinput_dev = NULL; int xres, yres; struct fb_info *fb0; @@ -336,13 +360,6 @@ register_client_mouse(void *devdata /* opaque on purpose */) visorinput_dev->open = visorinput_open; visorinput_dev->close = visorinput_close; input_set_drvdata(visorinput_dev, devdata); /* pre input_register! */ - - error = input_register_device(visorinput_dev); - if (error) { - input_free_device(visorinput_dev); - return NULL; - } - input_set_capability(visorinput_dev, EV_REL, REL_WHEEL); return visorinput_dev; @@ -360,9 +377,19 @@ devdata_create(struct visor_device *dev, enum visorinput_device_type devtype) devdata = kzalloc(sizeof(*devdata) + extra_bytes, GFP_KERNEL); if (!devdata) return NULL; + mutex_init(&devdata->lock_visor_dev); + mutex_lock(&devdata->lock_visor_dev); devdata->dev = dev; /* + * visorinput_open() can be called as soon as input_register_device() + * happens, and that will enable channel interrupts. Setting paused + * prevents us from getting into visorinput_channel_interrupt() prior + * to the device structure being totally initialized. + */ + devdata->paused = true; + + /* * This is an input device in a client guest partition, * so we need to create whatever input nodes are necessary to * deliver our inputs to the guest OS. @@ -374,23 +401,49 @@ devdata_create(struct visor_device *dev, enum visorinput_device_type devtype) KEYCODE_TABLE_BYTES); memcpy(devdata->keycode_table + KEYCODE_TABLE_BYTES, visorkbd_ext_keycode, KEYCODE_TABLE_BYTES); - devdata->visorinput_dev = register_client_keyboard + devdata->visorinput_dev = setup_client_keyboard (devdata, devdata->keycode_table); if (!devdata->visorinput_dev) goto cleanups_register; break; case visorinput_mouse: - devdata->visorinput_dev = register_client_mouse(devdata); + devdata->visorinput_dev = setup_client_mouse(devdata); if (!devdata->visorinput_dev) goto cleanups_register; break; } - init_rwsem(&devdata->lock_visor_dev); + dev_set_drvdata(&dev->device, devdata); + mutex_unlock(&devdata->lock_visor_dev); + + /* + * Device struct is completely set up now, with the exception of + * visorinput_dev being registered. + * We need to unlock before we register the device, because this + * can cause an on-stack call of visorinput_open(), which would + * deadlock if we had the lock. + */ + if (input_register_device(devdata->visorinput_dev)) { + input_free_device(devdata->visorinput_dev); + goto err_kfree_devdata; + } + + mutex_lock(&devdata->lock_visor_dev); + /* + * Establish calls to visorinput_channel_interrupt() if that is + * the desired state that we've kept track of in interrupts_enabled + * while the device was being created. + */ + devdata->paused = false; + if (devdata->interrupts_enabled) + visorbus_enable_channel_interrupts(dev); + mutex_unlock(&devdata->lock_visor_dev); return devdata; cleanups_register: + mutex_unlock(&devdata->lock_visor_dev); +err_kfree_devdata: kfree(devdata); return NULL; } @@ -398,7 +451,6 @@ cleanups_register: static int visorinput_probe(struct visor_device *dev) { - struct visorinput_devdata *devdata = NULL; uuid_le guid; enum visorinput_device_type devtype; @@ -409,10 +461,9 @@ visorinput_probe(struct visor_device *dev) devtype = visorinput_keyboard; else return -ENODEV; - devdata = devdata_create(dev, devtype); - if (!devdata) + visorbus_disable_channel_interrupts(dev); + if (!devdata_create(dev, devtype)) return -ENOMEM; - dev_set_drvdata(&dev->device, devdata); return 0; } @@ -431,6 +482,7 @@ visorinput_remove(struct visor_device *dev) if (!devdata) return; + mutex_lock(&devdata->lock_visor_dev); visorbus_disable_channel_interrupts(dev); /* @@ -438,10 +490,10 @@ visorinput_remove(struct visor_device *dev) * in visorinput_channel_interrupt() */ - down_write(&devdata->lock_visor_dev); dev_set_drvdata(&dev->device, NULL); + mutex_unlock(&devdata->lock_visor_dev); + unregister_client_input(devdata->visorinput_dev); - up_write(&devdata->lock_visor_dev); kfree(devdata); } @@ -529,13 +581,7 @@ visorinput_channel_interrupt(struct visor_device *dev) if (!devdata) return; - down_write(&devdata->lock_visor_dev); - if (devdata->paused) /* don't touch device/channel when paused */ - goto out_locked; - visorinput_dev = devdata->visorinput_dev; - if (!visorinput_dev) - goto out_locked; while (visorchannel_signalremove(dev->visorchannel, 0, &r)) { scancode = r.activity.arg1; @@ -611,8 +657,6 @@ visorinput_channel_interrupt(struct visor_device *dev) break; } } -out_locked: - up_write(&devdata->lock_visor_dev); } static int @@ -627,16 +671,24 @@ visorinput_pause(struct visor_device *dev, goto out; } - down_write(&devdata->lock_visor_dev); + mutex_lock(&devdata->lock_visor_dev); if (devdata->paused) { rc = -EBUSY; goto out_locked; } + if (devdata->interrupts_enabled) + visorbus_disable_channel_interrupts(dev); + + /* + * due to above, at this time no thread of execution will be + * in visorinput_channel_interrupt() + */ + devdata->paused = true; complete_func(dev, 0); rc = 0; out_locked: - up_write(&devdata->lock_visor_dev); + mutex_unlock(&devdata->lock_visor_dev); out: return rc; } @@ -652,16 +704,25 @@ visorinput_resume(struct visor_device *dev, rc = -ENODEV; goto out; } - down_write(&devdata->lock_visor_dev); + mutex_lock(&devdata->lock_visor_dev); if (!devdata->paused) { rc = -EBUSY; goto out_locked; } devdata->paused = false; complete_func(dev, 0); + + /* + * Re-establish calls to visorinput_channel_interrupt() if that is + * the desired state that we've kept track of in interrupts_enabled + * while the device was paused. + */ + if (devdata->interrupts_enabled) + visorbus_enable_channel_interrupts(dev); + rc = 0; out_locked: - up_write(&devdata->lock_visor_dev); + mutex_unlock(&devdata->lock_visor_dev); out: return rc; } diff --git a/drivers/staging/unisys/visornic/visornic_main.c b/drivers/staging/unisys/visornic/visornic_main.c index a28388d3ddc2..4fbe70375e27 100644 --- a/drivers/staging/unisys/visornic/visornic_main.c +++ b/drivers/staging/unisys/visornic/visornic_main.c @@ -1586,7 +1586,7 @@ drain_resp_queue(struct uiscmdrsp *cmdrsp, struct visornic_devdata *devdata) * * Drain the respones queue of any responses from the IO partition. * Process the responses as we get them. - * Returns when response queue is empty or when the threadd stops. + * Returns when response queue is empty or when the thread stops. */ static void service_resp_queue(struct uiscmdrsp *cmdrsp, struct visornic_devdata *devdata, diff --git a/drivers/staging/vt6655/channel.c b/drivers/staging/vt6655/channel.c index b7d43a5622ba..029a8df4ca1c 100644 --- a/drivers/staging/vt6655/channel.c +++ b/drivers/staging/vt6655/channel.c @@ -193,7 +193,8 @@ bool set_channel(struct vnt_private *priv, struct ieee80211_channel *ch) MACvRegBitsOn(priv->PortOffset, MAC_REG_MACCR, MACCR_CLRNAV); /* TX_PE will reserve 3 us for MAX2829 A mode only, - it is for better TX throughput */ + * it is for better TX throughput + */ if (priv->byRFType == RF_AIROHA7230) RFbAL7230SelectChannelPostProcess(priv, priv->byCurrentCh, diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index 494164045a0f..ed12b5c7fe43 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -113,10 +113,10 @@ DEVICE_PARAM(ShortRetryLimit, "Short frame retry limits"); DEVICE_PARAM(LongRetryLimit, "long frame retry limits"); /* BasebandType[] baseband type selected - 0: indicate 802.11a type - 1: indicate 802.11b type - 2: indicate 802.11g type -*/ + * 0: indicate 802.11a type + * 1: indicate 802.11b type + * 2: indicate 802.11g type + */ #define BBP_TYPE_MIN 0 #define BBP_TYPE_MAX 2 #define BBP_TYPE_DEF 2 diff --git a/drivers/staging/vt6655/power.c b/drivers/staging/vt6655/power.c index bc8ca981a629..7d6e7464ae51 100644 --- a/drivers/staging/vt6655/power.c +++ b/drivers/staging/vt6655/power.c @@ -52,7 +52,7 @@ /*--------------------- Export Functions --------------------------*/ -/*+ +/* * * Routine Description: * Enable hw power saving functions @@ -60,7 +60,7 @@ * Return Value: * None. * - -*/ + */ void PSvEnablePowerSaving( @@ -104,7 +104,7 @@ PSvEnablePowerSaving( pr_debug("PS:Power Saving Mode Enable...\n"); } -/*+ +/* * * Routine Description: * Disable hw power saving functions @@ -112,7 +112,7 @@ PSvEnablePowerSaving( * Return Value: * None. * - -*/ + */ void PSvDisablePowerSaving( @@ -134,7 +134,7 @@ PSvDisablePowerSaving( } -/*+ +/* * * Routine Description: * Check if Next TBTT must wake up @@ -142,7 +142,7 @@ PSvDisablePowerSaving( * Return Value: * None. * - -*/ + */ bool PSbIsNextTBTTWakeUp( diff --git a/drivers/staging/vt6655/rf.c b/drivers/staging/vt6655/rf.c index ae10da21ddd0..447882c7a6be 100644 --- a/drivers/staging/vt6655/rf.c +++ b/drivers/staging/vt6655/rf.c @@ -169,7 +169,8 @@ static unsigned long dwAL2230PowerTable[AL2230_PWR_IDX_LEN] = { }; /* 40MHz reference frequency - * Need to Pull PLLON(PE3) low when writing channel registers through 3-wire.*/ + * Need to Pull PLLON(PE3) low when writing channel registers through 3-wire. + */ static const unsigned long dwAL7230InitTable[CB_AL7230_INIT_SEQ] = { 0x00379000+(BY_AL7230_REG_LEN<<3)+IFREGCTL_REGW, /* Channel1 // Need modify for 11a */ 0x13333100+(BY_AL7230_REG_LEN<<3)+IFREGCTL_REGW, /* Channel1 // Need modify for 11a */ @@ -463,7 +464,8 @@ static bool s_bAL7230Init(struct vnt_private *priv) } /* Need to Pull PLLON low when writing channel registers through - * 3-wire interface */ + * 3-wire interface + */ static bool s_bAL7230SelectChannel(struct vnt_private *priv, unsigned char byChannel) { void __iomem *dwIoBase = priv->PortOffset; @@ -873,7 +875,8 @@ bool RFbRawSetPower( case RF_AIROHA7230: /* 0x080F1B00 for 3 wire control TxGain(D10) - * and 0x31 as TX Gain value */ + * and 0x31 as TX Gain value + */ dwMax7230Pwr = 0x080C0B00 | ((byPwr) << 12) | (BY_AL7230_REG_LEN << 3) | IFREGCTL_REGW; @@ -886,7 +889,7 @@ bool RFbRawSetPower( return ret; } -/*+ +/* * * Routine Description: * Translate RSSI to dBm @@ -900,7 +903,7 @@ bool RFbRawSetPower( * * Return Value: none * - -*/ + */ void RFvRSSITodBm( struct vnt_private *priv, @@ -927,7 +930,8 @@ RFvRSSITodBm( } /* Post processing for the 11b/g and 11a. - * for save time on changing Reg2,3,5,7,10,12,15 */ + * for save time on changing Reg2,3,5,7,10,12,15 + */ bool RFbAL7230SelectChannelPostProcess(struct vnt_private *priv, u16 byOldChannel, u16 byNewChannel) @@ -938,7 +942,8 @@ bool RFbAL7230SelectChannelPostProcess(struct vnt_private *priv, /* if change between 11 b/g and 11a need to update the following * register - * Channel Index 1~14 */ + * Channel Index 1~14 + */ if ((byOldChannel <= CB_MAX_CHANNEL_24G) && (byNewChannel > CB_MAX_CHANNEL_24G)) { /* Change from 2.4G to 5G [Reg] */ ret &= IFRFbWriteEmbedded(priv, dwAL7230InitTableAMode[2]); diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c index e4c3165ae027..890d108463a2 100644 --- a/drivers/staging/vt6655/rxtx.c +++ b/drivers/staging/vt6655/rxtx.c @@ -64,8 +64,10 @@ /*--------------------- Static Functions --------------------------*/ /*--------------------- Static Definitions -------------------------*/ -#define CRITICAL_PACKET_LEN 256 /* if packet size < 256 -> in-direct send - packet size >= 256 -> direct send */ +/* if packet size < 256 -> in-direct send + * vpacket size >= 256 -> direct send + */ +#define CRITICAL_PACKET_LEN 256 static const unsigned short wTimeStampOff[2][MAX_RATE] = { {384, 288, 226, 209, 54, 43, 37, 31, 28, 25, 24, 23}, /* Long Preamble */ @@ -158,11 +160,11 @@ static __le16 vnt_time_stamp_off(struct vnt_private *priv, u16 rate) [rate % MAX_RATE]); } -/*byPktType : PK_TYPE_11A 0 - PK_TYPE_11B 1 - PK_TYPE_11GB 2 - PK_TYPE_11GA 3 -*/ +/* byPktType : PK_TYPE_11A 0 + * PK_TYPE_11B 1 + * PK_TYPE_11GB 2 + * PK_TYPE_11GA 3 + */ static unsigned int s_uGetTxRsvTime( @@ -650,13 +652,16 @@ s_vFillRTSHead( return; if (bDisCRC) { - /* When CRCDIS bit is on, H/W forgot to generate FCS for RTS frame, - in this case we need to decrease its length by 4. */ + /* When CRCDIS bit is on, H/W forgot to generate FCS for + * RTS frame, in this case we need to decrease its length by 4. + */ uRTSFrameLen -= 4; } - /* Note: So far RTSHead doesn't appear in ATIM & Beacom DMA, so we don't need to take them into account. - Otherwise, we need to modify codes for them. */ + /* Note: So far RTSHead doesn't appear in ATIM & Beacom DMA, + * so we don't need to take them into account. + * Otherwise, we need to modify codes for them. + */ if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { if (byFBOption == AUTO_FB_NONE) { struct vnt_rts_g *buf = pvRTS; @@ -842,8 +847,9 @@ s_vFillCTSHead( return; if (bDisCRC) { - /* When CRCDIS bit is on, H/W forgot to generate FCS for CTS frame, - in this case we need to decrease its length by 4. */ + /* When CRCDIS bit is on, H/W forgot to generate FCS for + * CTS frame, in this case we need to decrease its length by 4. + */ uCTSFrameLen -= 4; } @@ -915,7 +921,7 @@ s_vFillCTSHead( } } -/*+ +/* * * Description: * Generate FIFO control for MAC & Baseband controller @@ -937,7 +943,8 @@ s_vFillCTSHead( * Return Value: none * - - * unsigned int cbFrameSize, Hdr+Payload+FCS */ + * unsigned int cbFrameSize, Hdr+Payload+FCS + */ static void s_vGenerateTxParameter( @@ -972,8 +979,8 @@ s_vGenerateTxParameter( return; if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { - if (pvRTS != NULL) { /* RTS_need - Fill RsvTime */ + if (pvRTS != NULL) { /* RTS_need */ + /* Fill RsvTime */ struct vnt_rrv_time_rts *buf = pvRrvTime; buf->rts_rrv_time_aa = s_uGetRTSCTSRsvTime(pDevice, 2, byPktType, cbFrameSize, wCurrentRate); diff --git a/drivers/staging/vt6656/baseband.h b/drivers/staging/vt6656/baseband.h index 807a5809b5d9..7cc13874f8f1 100644 --- a/drivers/staging/vt6656/baseband.h +++ b/drivers/staging/vt6656/baseband.h @@ -84,10 +84,10 @@ struct vnt_phy_field { } __packed; unsigned int vnt_get_frame_time(u8 preamble_type, u8 pkt_type, - unsigned int frame_length, u16 tx_rate); + unsigned int frame_length, u16 tx_rate); void vnt_get_phy_field(struct vnt_private *, u32 frame_length, - u16 tx_rate, u8 pkt_type, struct vnt_phy_field *); + u16 tx_rate, u8 pkt_type, struct vnt_phy_field *); void vnt_set_short_slot_time(struct vnt_private *); void vnt_set_vga_gain_offset(struct vnt_private *, u8); diff --git a/drivers/staging/vt6656/card.c b/drivers/staging/vt6656/card.c index a382fc6aa9d3..53b469c71dc2 100644 --- a/drivers/staging/vt6656/card.c +++ b/drivers/staging/vt6656/card.c @@ -46,10 +46,11 @@ #include "key.h" #include "usbpipe.h" -/* const u16 cwRXBCNTSFOff[MAX_RATE] = - {17, 34, 96, 192, 34, 23, 17, 11, 8, 5, 4, 3}; */ +/* const u16 cw_rxbcntsf_off[MAX_RATE] = + * {17, 34, 96, 192, 34, 23, 17, 11, 8, 5, 4, 3}; + */ -static const u16 cwRXBCNTSFOff[MAX_RATE] = { +static const u16 cw_rxbcntsf_off[MAX_RATE] = { 192, 96, 34, 17, 34, 23, 17, 11, 8, 5, 4, 3 }; @@ -65,7 +66,6 @@ static const u16 cwRXBCNTSFOff[MAX_RATE] = { */ void vnt_set_channel(struct vnt_private *priv, u32 connection_channel) { - if (connection_channel > CB_MAX_CHANNEL || !connection_channel) return; @@ -76,10 +76,10 @@ void vnt_set_channel(struct vnt_private *priv, u32 connection_channel) vnt_mac_reg_bits_off(priv, MAC_REG_CHANNEL, 0xb0); vnt_control_out(priv, MESSAGE_TYPE_SELECT_CHANNEL, - connection_channel, 0, 0, NULL); + connection_channel, 0, 0, NULL); vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG, MAC_REG_CHANNEL, - (u8)(connection_channel | 0x80)); + (u8)(connection_channel | 0x80)); } /* @@ -126,11 +126,11 @@ static u16 vnt_get_ofdm_rate(struct vnt_private *priv, u16 rate_idx) u16 ui = rate_idx; dev_dbg(&priv->usb->dev, "%s basic rate: %d\n", - __func__, priv->basic_rates); + __func__, priv->basic_rates); if (!vnt_ofdm_min_rate(priv)) { dev_dbg(&priv->usb->dev, "%s (NO OFDM) %d\n", - __func__, rate_idx); + __func__, rate_idx); if (rate_idx > RATE_24M) rate_idx = RATE_24M; return rate_idx; @@ -139,7 +139,7 @@ static u16 vnt_get_ofdm_rate(struct vnt_private *priv, u16 rate_idx) while (ui > RATE_11M) { if (priv->basic_rates & (1 << ui)) { dev_dbg(&priv->usb->dev, "%s rate: %d\n", - __func__, ui); + __func__, ui); return ui; } ui--; @@ -165,9 +165,8 @@ static u16 vnt_get_ofdm_rate(struct vnt_private *priv, u16 rate_idx) * */ static void vnt_calculate_ofdm_rate(u16 rate, u8 bb_type, - u8 *tx_rate, u8 *rsv_time) + u8 *tx_rate, u8 *rsv_time) { - switch (rate) { case RATE_6M: if (bb_type == BB_TYPE_11A) { @@ -267,20 +266,20 @@ void vnt_set_rspinf(struct vnt_private *priv, u8 bb_type) int i; /*RSPINF_b_1*/ - vnt_get_phy_field(priv, 14, - vnt_get_cck_rate(priv, RATE_1M), PK_TYPE_11B, &phy[0]); + vnt_get_phy_field(priv, 14, vnt_get_cck_rate(priv, RATE_1M), + PK_TYPE_11B, &phy[0]); /*RSPINF_b_2*/ - vnt_get_phy_field(priv, 14, - vnt_get_cck_rate(priv, RATE_2M), PK_TYPE_11B, &phy[1]); + vnt_get_phy_field(priv, 14, vnt_get_cck_rate(priv, RATE_2M), + PK_TYPE_11B, &phy[1]); /*RSPINF_b_5*/ - vnt_get_phy_field(priv, 14, - vnt_get_cck_rate(priv, RATE_5M), PK_TYPE_11B, &phy[2]); + vnt_get_phy_field(priv, 14, vnt_get_cck_rate(priv, RATE_5M), + PK_TYPE_11B, &phy[2]); /*RSPINF_b_11*/ - vnt_get_phy_field(priv, 14, - vnt_get_cck_rate(priv, RATE_11M), PK_TYPE_11B, &phy[3]); + vnt_get_phy_field(priv, 14, vnt_get_cck_rate(priv, RATE_11M), + PK_TYPE_11B, &phy[3]); /*RSPINF_a_6*/ vnt_calculate_ofdm_rate(RATE_6M, bb_type, &tx_rate[0], &rsv_time[0]); @@ -299,19 +298,19 @@ void vnt_set_rspinf(struct vnt_private *priv, u8 bb_type) /*RSPINF_a_36*/ vnt_calculate_ofdm_rate(vnt_get_ofdm_rate(priv, RATE_36M), - bb_type, &tx_rate[5], &rsv_time[5]); + bb_type, &tx_rate[5], &rsv_time[5]); /*RSPINF_a_48*/ vnt_calculate_ofdm_rate(vnt_get_ofdm_rate(priv, RATE_48M), - bb_type, &tx_rate[6], &rsv_time[6]); + bb_type, &tx_rate[6], &rsv_time[6]); /*RSPINF_a_54*/ vnt_calculate_ofdm_rate(vnt_get_ofdm_rate(priv, RATE_54M), - bb_type, &tx_rate[7], &rsv_time[7]); + bb_type, &tx_rate[7], &rsv_time[7]); /*RSPINF_a_72*/ vnt_calculate_ofdm_rate(vnt_get_ofdm_rate(priv, RATE_54M), - bb_type, &tx_rate[8], &rsv_time[8]); + bb_type, &tx_rate[8], &rsv_time[8]); put_unaligned(phy[0].len, (u16 *)&data[0]); data[2] = phy[0].signal; @@ -334,8 +333,8 @@ void vnt_set_rspinf(struct vnt_private *priv, u8 bb_type) data[16 + i * 2 + 1] = rsv_time[i]; } - vnt_control_out(priv, MESSAGE_TYPE_WRITE, - MAC_REG_RSPINF_B_1, MESSAGE_REQUEST_MACREG, 34, &data[0]); + vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_RSPINF_B_1, + MESSAGE_REQUEST_MACREG, 34, &data[0]); } /* @@ -429,12 +428,12 @@ void vnt_update_ifs(struct vnt_private *priv) data[3] = (u8)priv->slot; vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_SIFS, - MESSAGE_REQUEST_MACREG, 4, &data[0]); + MESSAGE_REQUEST_MACREG, 4, &data[0]); max_min |= 0xa0; vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_CWMAXMIN0, - MESSAGE_REQUEST_MACREG, 1, &max_min); + MESSAGE_REQUEST_MACREG, 1, &max_min); } void vnt_update_top_rates(struct vnt_private *priv) @@ -478,7 +477,6 @@ int vnt_ofdm_min_rate(struct vnt_private *priv) u8 vnt_get_pkt_type(struct vnt_private *priv) { - if (priv->bb_type == BB_TYPE_11A || priv->bb_type == BB_TYPE_11B) return (u8)priv->bb_type; else if (vnt_ofdm_min_rate(priv)) @@ -506,7 +504,7 @@ u64 vnt_get_tsf_offset(u8 rx_rate, u64 tsf1, u64 tsf2) u64 tsf_offset = 0; u16 rx_bcn_offset; - rx_bcn_offset = cwRXBCNTSFOff[rx_rate % MAX_RATE]; + rx_bcn_offset = cw_rxbcntsf_off[rx_rate % MAX_RATE]; tsf2 += (u64)rx_bcn_offset; @@ -531,7 +529,7 @@ u64 vnt_get_tsf_offset(u8 rx_rate, u64 tsf1, u64 tsf2) * */ void vnt_adjust_tsf(struct vnt_private *priv, u8 rx_rate, - u64 time_stamp, u64 local_tsf) + u64 time_stamp, u64 local_tsf) { u64 tsf_offset = 0; u8 data[8]; @@ -548,8 +546,9 @@ void vnt_adjust_tsf(struct vnt_private *priv, u8 rx_rate, data[7] = (u8)(tsf_offset >> 56); vnt_control_out(priv, MESSAGE_TYPE_SET_TSFTBTT, - MESSAGE_REQUEST_TSF, 0, 8, data); + MESSAGE_REQUEST_TSF, 0, 8, data); } + /* * Description: Read NIC TSF counter * Get local TSF counter @@ -565,7 +564,6 @@ void vnt_adjust_tsf(struct vnt_private *priv, u8 rx_rate, */ bool vnt_get_current_tsf(struct vnt_private *priv, u64 *current_tsf) { - *current_tsf = priv->current_tsf; return true; @@ -584,7 +582,6 @@ bool vnt_get_current_tsf(struct vnt_private *priv, u64 *current_tsf) */ bool vnt_clear_current_tsf(struct vnt_private *priv) { - vnt_mac_reg_bits_on(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTRST); priv->current_tsf = 0; @@ -657,7 +654,7 @@ void vnt_reset_next_tbtt(struct vnt_private *priv, u16 beacon_interval) data[7] = (u8)(next_tbtt >> 56); vnt_control_out(priv, MESSAGE_TYPE_SET_TSFTBTT, - MESSAGE_REQUEST_TBTT, 0, 8, data); + MESSAGE_REQUEST_TBTT, 0, 8, data); } /* @@ -676,7 +673,7 @@ void vnt_reset_next_tbtt(struct vnt_private *priv, u16 beacon_interval) * */ void vnt_update_next_tbtt(struct vnt_private *priv, u64 tsf, - u16 beacon_interval) + u16 beacon_interval) { u8 data[8]; @@ -721,7 +718,7 @@ int vnt_radio_power_off(struct vnt_private *priv) case RF_VT3226D0: case RF_VT3342A0: vnt_mac_reg_bits_off(priv, MAC_REG_SOFTPWRCTL, - (SOFTPWRCTL_SWPE2 | SOFTPWRCTL_SWPE3)); + (SOFTPWRCTL_SWPE2 | SOFTPWRCTL_SWPE3)); break; } @@ -762,7 +759,7 @@ int vnt_radio_power_on(struct vnt_private *priv) case RF_VT3226D0: case RF_VT3342A0: vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL, - (SOFTPWRCTL_SWPE2 | SOFTPWRCTL_SWPE3)); + (SOFTPWRCTL_SWPE2 | SOFTPWRCTL_SWPE3)); break; } @@ -795,7 +792,7 @@ void vnt_set_bss_mode(struct vnt_private *priv) priv->bb_vga[0] = 0x20; vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, - 0xe7, priv->bb_vga[0]); + 0xe7, priv->bb_vga[0]); } priv->bb_vga[2] = 0x10; @@ -805,7 +802,7 @@ void vnt_set_bss_mode(struct vnt_private *priv) priv->bb_vga[0] = 0x1c; vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, - 0xe7, priv->bb_vga[0]); + 0xe7, priv->bb_vga[0]); } priv->bb_vga[2] = 0x0; diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c index 6019aac8bdd5..c352c70b2cdb 100644 --- a/drivers/staging/vt6656/dpc.c +++ b/drivers/staging/vt6656/dpc.c @@ -34,7 +34,7 @@ #include "rf.h" int vnt_rx_data(struct vnt_private *priv, struct vnt_rcb *ptr_rcb, - unsigned long bytes_received) + unsigned long bytes_received) { struct ieee80211_hw *hw = priv->hw; struct ieee80211_supported_band *sband; @@ -75,22 +75,22 @@ int vnt_rx_data(struct vnt_private *priv, struct vnt_rcb *ptr_rcb, skb_data = (u8 *)skb->data; - rx_sts = skb_data+4; - rx_rate = skb_data+5; + rx_sts = skb_data + 4; + rx_rate = skb_data + 5; /* real Frame Size = USBframe_size -4WbkStatus - 4RxStatus */ /* -8TSF - 4RSR - 4SQ3 - ?Padding */ /* if SQ3 the range is 24~27, if no SQ3 the range is 20~23 */ - pay_load_len = (u16 *) (skb_data + 6); + pay_load_len = (u16 *)(skb_data + 6); /*Fix hardware bug => PLCP_Length error */ if (((bytes_received - (*pay_load_len)) > 27) || - ((bytes_received - (*pay_load_len)) < 24) || - (bytes_received < (*pay_load_len))) { + ((bytes_received - (*pay_load_len)) < 24) || + (bytes_received < (*pay_load_len))) { dev_dbg(&priv->usb->dev, "Wrong PLCP Length %x\n", - *pay_load_len); + *pay_load_len); return false; } diff --git a/drivers/staging/vt6656/dpc.h b/drivers/staging/vt6656/dpc.h index 5a92bd86cee2..ff1850c4a927 100644 --- a/drivers/staging/vt6656/dpc.h +++ b/drivers/staging/vt6656/dpc.h @@ -29,6 +29,6 @@ #include "device.h" int vnt_rx_data(struct vnt_private *, struct vnt_rcb *, - unsigned long bytes_received); + unsigned long bytes_received); #endif /* __RXTX_H__ */ diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index ac4fecb30d0e..0594828bdabf 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -440,10 +440,8 @@ static bool vnt_alloc_bufs(struct vnt_private *priv) /* allocate URBs */ tx_context->urb = usb_alloc_urb(0, GFP_KERNEL); - if (!tx_context->urb) { - dev_err(&priv->usb->dev, "alloc tx urb failed\n"); + if (!tx_context->urb) goto free_tx; - } tx_context->in_use = false; } @@ -462,10 +460,8 @@ static bool vnt_alloc_bufs(struct vnt_private *priv) /* allocate URBs */ rcb->urb = usb_alloc_urb(0, GFP_KERNEL); - if (!rcb->urb) { - dev_err(&priv->usb->dev, "Failed to alloc rx urb\n"); + if (!rcb->urb) goto free_rx_tx; - } rcb->skb = dev_alloc_skb(priv->rx_buf_sz); if (!rcb->skb) @@ -479,10 +475,8 @@ static bool vnt_alloc_bufs(struct vnt_private *priv) } priv->interrupt_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!priv->interrupt_urb) { - dev_err(&priv->usb->dev, "Failed to alloc int urb\n"); + if (!priv->interrupt_urb) goto free_rx_tx; - } priv->int_buf.data_buf = kmalloc(MAX_INTERRUPT_SIZE, GFP_KERNEL); if (!priv->int_buf.data_buf) { diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c index f546553de66f..e9b6b21f7422 100644 --- a/drivers/staging/vt6656/usbpipe.c +++ b/drivers/staging/vt6656/usbpipe.c @@ -28,8 +28,9 @@ * vnt_control_in_u8 - Read one byte from MEM/BB/MAC/EEPROM * * Revision History: - * 04-05-2004 Jerry Chen: Initial release - * 11-24-2004 Warren Hsu: Add ControlvWriteByte,ControlvReadByte,ControlvMaskByte + * 04-05-2004 Jerry Chen: Initial release + * 11-24-2004 Warren Hsu: Add ControlvWriteByte,ControlvReadByte, + * ControlvMaskByte * */ diff --git a/drivers/staging/wilc1000/TODO b/drivers/staging/wilc1000/TODO index ec93b2ee0b08..ae61b55f14fd 100644 --- a/drivers/staging/wilc1000/TODO +++ b/drivers/staging/wilc1000/TODO @@ -3,7 +3,6 @@ TODO: - remove OS wrapper functions - remove custom debug and tracing functions - rework comments and function headers(also coding style) -- replace all semaphores with mutexes or completions - Move handling for each individual members of 'union message_body' out into a separate 'struct work_struct' and completely remove the multiplexer that is currently part of host_if_work(), allowing movement of the diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c index 32215110d597..6370a5efe343 100644 --- a/drivers/staging/wilc1000/linux_wlan.c +++ b/drivers/staging/wilc1000/linux_wlan.c @@ -21,7 +21,6 @@ #include <linux/kernel.h> #include <linux/skbuff.h> #include <linux/mutex.h> -#include <linux/semaphore.h> #include <linux/completion.h> static int dev_state_ev_handler(struct notifier_block *this, diff --git a/drivers/staging/wilc1000/wilc_debugfs.c b/drivers/staging/wilc1000/wilc_debugfs.c index fcbc95d19d8e..b052628770af 100644 --- a/drivers/staging/wilc1000/wilc_debugfs.c +++ b/drivers/staging/wilc1000/wilc_debugfs.c @@ -102,35 +102,16 @@ static struct wilc_debugfs_info_t debugfs_info[] = { static int __init wilc_debugfs_init(void) { int i; - - struct dentry *debugfs_files; struct wilc_debugfs_info_t *info; wilc_dir = debugfs_create_dir("wilc_wifi", NULL); - if (wilc_dir == ERR_PTR(-ENODEV)) { - /* it's not error. the debugfs is just not being enabled. */ - printk("ERR, kernel has built without debugfs support\n"); - return 0; - } - - if (!wilc_dir) { - printk("ERR, debugfs create dir\n"); - return -1; - } - for (i = 0; i < ARRAY_SIZE(debugfs_info); i++) { info = &debugfs_info[i]; - debugfs_files = debugfs_create_file(info->name, - info->perm, - wilc_dir, - &info->data, - &info->fops); - - if (!debugfs_files) { - printk("ERR fail to create the debugfs file, %s\n", info->name); - debugfs_remove_recursive(wilc_dir); - return -1; - } + debugfs_create_file(info->name, + info->perm, + wilc_dir, + &info->data, + &info->fops); } return 0; } diff --git a/drivers/staging/wilc1000/wilc_spi.c b/drivers/staging/wilc1000/wilc_spi.c index 22cf4b7857e5..0f8d62594bee 100644 --- a/drivers/staging/wilc1000/wilc_spi.c +++ b/drivers/staging/wilc1000/wilc_spi.c @@ -871,7 +871,7 @@ static int wilc_spi_init(struct wilc *wilc, bool resume) /* Read failed. Try with CRC off. This might happen when module * is removed but chip isn't reset*/ g_spi.crc_off = 1; - dev_err(&spi->dev, "Failed internal read protocol with CRC on, retyring with CRC off...\n"); + dev_err(&spi->dev, "Failed internal read protocol with CRC on, retrying with CRC off...\n"); if (!spi_internal_read(wilc, WILC_SPI_PROTOCOL_OFFSET, ®)) { /* Reaad failed with both CRC on and off, something went bad */ dev_err(&spi->dev, diff --git a/drivers/staging/wilc1000/wilc_wfi_netdevice.h b/drivers/staging/wilc1000/wilc_wfi_netdevice.h index 5cc6a82d8081..ec6b1674cf38 100644 --- a/drivers/staging/wilc1000/wilc_wfi_netdevice.h +++ b/drivers/staging/wilc1000/wilc_wfi_netdevice.h @@ -131,7 +131,7 @@ struct wilc_priv { struct wilc_wfi_key *wilc_gtk[MAX_NUM_STA]; struct wilc_wfi_key *wilc_ptk[MAX_NUM_STA]; u8 wilc_groupkey; - /* semaphores */ + /* mutexes */ struct mutex scan_req_lock; /* */ bool gbAutoRateAdjusted; diff --git a/drivers/staging/wilc1000/wilc_wlan.h b/drivers/staging/wilc1000/wilc_wlan.h index 30e5312ee87e..de6c4ddbf45a 100644 --- a/drivers/staging/wilc1000/wilc_wlan.h +++ b/drivers/staging/wilc1000/wilc_wlan.h @@ -192,7 +192,7 @@ #define ENABLE_RX_VMM (SEL_VMM_TBL1 | EN_VMM) #define ENABLE_TX_VMM (SEL_VMM_TBL0 | EN_VMM) -/*time for expiring the semaphores of cfg packets*/ +/*time for expiring the completion of cfg packets*/ #define CFG_PKTS_TIMEOUT 2000 /******************************************** * diff --git a/drivers/staging/wilc1000/wilc_wlan_if.h b/drivers/staging/wilc1000/wilc_wlan_if.h index 410bfc034319..439ac6f8d533 100644 --- a/drivers/staging/wilc1000/wilc_wlan_if.h +++ b/drivers/staging/wilc1000/wilc_wlan_if.h @@ -10,7 +10,6 @@ #ifndef WILC_WLAN_IF_H #define WILC_WLAN_IF_H -#include <linux/semaphore.h> #include <linux/netdevice.h> /******************************************** diff --git a/drivers/staging/wlan-ng/cfg80211.c b/drivers/staging/wlan-ng/cfg80211.c index f46dfe6b24e8..a36e40d5b970 100644 --- a/drivers/staging/wlan-ng/cfg80211.c +++ b/drivers/staging/wlan-ng/cfg80211.c @@ -150,6 +150,9 @@ static int prism2_add_key(struct wiphy *wiphy, struct net_device *dev, int err = 0; int result = 0; + if (key_index >= NUM_WEPKEYS) + return -EINVAL; + switch (params->cipher) { case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: @@ -160,27 +163,7 @@ static int prism2_add_key(struct wiphy *wiphy, struct net_device *dev, goto exit; /* send key to driver */ - switch (key_index) { - case 0: - did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0; - break; - - case 1: - did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1; - break; - - case 2: - did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2; - break; - - case 3: - did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3; - break; - - default: - err = -EINVAL; - goto exit; - } + did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_key(key_index + 1); result = prism2_domibset_pstr32(wlandev, did, params->key_len, params->key); @@ -242,36 +225,13 @@ static int prism2_del_key(struct wiphy *wiphy, struct net_device *dev, * a key, so we will cheat by setting the key to a bogus value */ - /* send key to driver */ - switch (key_index) { - case 0: - did = - DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0; - break; - - case 1: - did = - DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1; - break; - - case 2: - did = - DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2; - break; - - case 3: - did = - DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3; - break; - - default: - err = -EINVAL; - goto exit; - } + if (key_index >= NUM_WEPKEYS) + return -EINVAL; + /* send key to driver */ + did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_key(key_index + 1); result = prism2_domibset_pstr32(wlandev, did, 13, "0000000000000"); -exit: if (result) err = -EFAULT; @@ -529,6 +489,11 @@ static int prism2_connect(struct wiphy *wiphy, struct net_device *dev, /* Set the encryption - we only support wep */ if (is_wep) { if (sme->key) { + if (sme->key_idx >= NUM_WEPKEYS) { + err = -EINVAL; + goto exit; + } + result = prism2_domibset_uint32(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID, sme->key_idx); @@ -536,28 +501,8 @@ static int prism2_connect(struct wiphy *wiphy, struct net_device *dev, goto exit; /* send key to driver */ - switch (sme->key_idx) { - case 0: - did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0; - break; - - case 1: - did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1; - break; - - case 2: - did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2; - break; - - case 3: - did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3; - break; - - default: - err = -EINVAL; - goto exit; - } - + did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_key( + sme->key_idx + 1); result = prism2_domibset_pstr32(wlandev, did, sme->key_len, (u8 *)sme->key); diff --git a/drivers/staging/wlan-ng/p80211metadef.h b/drivers/staging/wlan-ng/p80211metadef.h index 0ccfba1294de..98fda3dcd663 100644 --- a/drivers/staging/wlan-ng/p80211metadef.h +++ b/drivers/staging/wlan-ng/p80211metadef.h @@ -171,6 +171,10 @@ (P80211DID_MKSECTION(1) | \ P80211DID_MKGROUP(4) | \ P80211DID_MKITEM(4) | 0x0c000000) +#define DIDmib_dot11smt_dot11WEPDefaultKeysTable_key(_i) \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(_i) | 0x0c000000) #define DIDmib_dot11smt_dot11PrivacyTable \ (P80211DID_MKSECTION(1) | \ P80211DID_MKGROUP(6)) diff --git a/drivers/staging/wlan-ng/p80211req.c b/drivers/staging/wlan-ng/p80211req.c index 4b84b568f6ca..5c2b80164d99 100644 --- a/drivers/staging/wlan-ng/p80211req.c +++ b/drivers/staging/wlan-ng/p80211req.c @@ -77,6 +77,21 @@ static void p80211req_mibset_mibget(wlandevice_t *wlandev, struct p80211msg_dot11req_mibget *mib_msg, int isget); +static void p80211req_handle_action(struct wlandevice *wlandev, u32 *data, + int isget, u32 flag) +{ + if (isget) { + if (wlandev->hostwep & flag) + *data = P80211ENUM_truth_true; + else + *data = P80211ENUM_truth_false; + } else { + wlandev->hostwep &= ~flag; + if (*data == P80211ENUM_truth_true) + wlandev->hostwep |= flag; + } +} + /*---------------------------------------------------------------- * p80211req_dorequest * @@ -185,26 +200,16 @@ static void p80211req_mibset_mibget(wlandevice_t *wlandev, u8 *key = mibitem->data + sizeof(p80211pstrd_t); switch (mibitem->did) { - case DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0:{ - if (!isget) - wep_change_key(wlandev, 0, key, pstr->len); - break; - } - case DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1:{ - if (!isget) - wep_change_key(wlandev, 1, key, pstr->len); - break; - } - case DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2:{ - if (!isget) - wep_change_key(wlandev, 2, key, pstr->len); - break; - } - case DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3:{ + case DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0: + case DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1: + case DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2: + case DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3: if (!isget) - wep_change_key(wlandev, 3, key, pstr->len); - break; - } + wep_change_key(wlandev, + P80211DID_ITEM(mibitem->did) - 1, + key, pstr->len); + break; + case DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID:{ u32 *data = (u32 *) mibitem->data; @@ -219,31 +224,15 @@ static void p80211req_mibset_mibget(wlandevice_t *wlandev, case DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked:{ u32 *data = (u32 *) mibitem->data; - if (isget) { - if (wlandev->hostwep & HOSTWEP_PRIVACYINVOKED) - *data = P80211ENUM_truth_true; - else - *data = P80211ENUM_truth_false; - } else { - wlandev->hostwep &= ~(HOSTWEP_PRIVACYINVOKED); - if (*data == P80211ENUM_truth_true) - wlandev->hostwep |= HOSTWEP_PRIVACYINVOKED; - } + p80211req_handle_action(wlandev, data, isget, + HOSTWEP_PRIVACYINVOKED); break; } case DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted:{ u32 *data = (u32 *) mibitem->data; - if (isget) { - if (wlandev->hostwep & HOSTWEP_EXCLUDEUNENCRYPTED) - *data = P80211ENUM_truth_true; - else - *data = P80211ENUM_truth_false; - } else { - wlandev->hostwep &= ~(HOSTWEP_EXCLUDEUNENCRYPTED); - if (*data == P80211ENUM_truth_true) - wlandev->hostwep |= HOSTWEP_EXCLUDEUNENCRYPTED; - } + p80211req_handle_action(wlandev, data, isget, + HOSTWEP_EXCLUDEUNENCRYPTED); break; } } diff --git a/drivers/staging/wlan-ng/prism2mib.c b/drivers/staging/wlan-ng/prism2mib.c index fe914b1f904b..4dd4cdf3e8d2 100644 --- a/drivers/staging/wlan-ng/prism2mib.c +++ b/drivers/staging/wlan-ng/prism2mib.c @@ -237,25 +237,25 @@ static struct mibrec mibtab[] = { {0, 0, 0, 0, 0, NULL} }; -/*---------------------------------------------------------------- -* prism2mgmt_mibset_mibget -* -* Set the value of a mib item. -* -* Arguments: -* wlandev wlan device structure -* msgp ptr to msg buffer -* -* Returns: -* 0 success and done -* <0 success, but we're waiting for something to finish. -* >0 an error occurred while handling the message. -* Side effects: -* -* Call context: -* process thread (usually) -* interrupt -----------------------------------------------------------------*/ +/* + * prism2mgmt_mibset_mibget + * + * Set the value of a mib item. + * + * Arguments: + * wlandev wlan device structure + * msgp ptr to msg buffer + * + * Returns: + * 0 success and done + * <0 success, but we're waiting for something to finish. + * >0 an error occurred while handling the message. + * Side effects: + * + * Call context: + * process thread (usually) + * interrupt + */ int prism2mgmt_mibset_mibget(wlandevice_t *wlandev, void *msgp) { @@ -346,30 +346,30 @@ done: return 0; } -/*---------------------------------------------------------------- -* prism2mib_bytearea2pstr -* -* Get/set pstr data to/from a byte area. -* -* MIB record parameters: -* parm1 Prism2 RID value. -* parm2 Number of bytes of RID data. -* parm3 Not used. -* -* Arguments: -* mib MIB record. -* isget MIBGET/MIBSET flag. -* wlandev wlan device structure. -* priv "priv" structure. -* hw "hw" structure. -* msg Message structure. -* data Data buffer. -* -* Returns: -* 0 - Success. -* ~0 - Error. -* -----------------------------------------------------------------*/ +/* + * prism2mib_bytearea2pstr + * + * Get/set pstr data to/from a byte area. + * + * MIB record parameters: + * parm1 Prism2 RID value. + * parm2 Number of bytes of RID data. + * parm3 Not used. + * + * Arguments: + * mib MIB record. + * isget MIBGET/MIBSET flag. + * wlandev wlan device structure. + * priv "priv" structure. + * hw "hw" structure. + * msg Message structure. + * data Data buffer. + * + * Returns: + * 0 - Success. + * ~0 - Error. + * + */ static int prism2mib_bytearea2pstr(struct mibrec *mib, int isget, @@ -396,30 +396,30 @@ static int prism2mib_bytearea2pstr(struct mibrec *mib, return result; } -/*---------------------------------------------------------------- -* prism2mib_uint32 -* -* Get/set uint32 data. -* -* MIB record parameters: -* parm1 Prism2 RID value. -* parm2 Not used. -* parm3 Not used. -* -* Arguments: -* mib MIB record. -* isget MIBGET/MIBSET flag. -* wlandev wlan device structure. -* priv "priv" structure. -* hw "hw" structure. -* msg Message structure. -* data Data buffer. -* -* Returns: -* 0 - Success. -* ~0 - Error. -* -----------------------------------------------------------------*/ +/* + * prism2mib_uint32 + * + * Get/set uint32 data. + * + * MIB record parameters: + * parm1 Prism2 RID value. + * parm2 Not used. + * parm3 Not used. + * + * Arguments: + * mib MIB record. + * isget MIBGET/MIBSET flag. + * wlandev wlan device structure. + * priv "priv" structure. + * hw "hw" structure. + * msg Message structure. + * data Data buffer. + * + * Returns: + * 0 - Success. + * ~0 - Error. + * + */ static int prism2mib_uint32(struct mibrec *mib, int isget, @@ -443,30 +443,30 @@ static int prism2mib_uint32(struct mibrec *mib, return result; } -/*---------------------------------------------------------------- -* prism2mib_flag -* -* Get/set a flag. -* -* MIB record parameters: -* parm1 Prism2 RID value. -* parm2 Bit to get/set. -* parm3 Not used. -* -* Arguments: -* mib MIB record. -* isget MIBGET/MIBSET flag. -* wlandev wlan device structure. -* priv "priv" structure. -* hw "hw" structure. -* msg Message structure. -* data Data buffer. -* -* Returns: -* 0 - Success. -* ~0 - Error. -* -----------------------------------------------------------------*/ +/* + * prism2mib_flag + * + * Get/set a flag. + * + * MIB record parameters: + * parm1 Prism2 RID value. + * parm2 Bit to get/set. + * parm3 Not used. + * + * Arguments: + * mib MIB record. + * isget MIBGET/MIBSET flag. + * wlandev wlan device structure. + * priv "priv" structure. + * hw "hw" structure. + * msg Message structure. + * data Data buffer. + * + * Returns: + * 0 - Success. + * ~0 - Error. + * + */ static int prism2mib_flag(struct mibrec *mib, int isget, @@ -500,30 +500,30 @@ static int prism2mib_flag(struct mibrec *mib, return result; } -/*---------------------------------------------------------------- -* prism2mib_wepdefaultkey -* -* Get/set WEP default keys. -* -* MIB record parameters: -* parm1 Prism2 RID value. -* parm2 Number of bytes of RID data. -* parm3 Not used. -* -* Arguments: -* mib MIB record. -* isget MIBGET/MIBSET flag. -* wlandev wlan device structure. -* priv "priv" structure. -* hw "hw" structure. -* msg Message structure. -* data Data buffer. -* -* Returns: -* 0 - Success. -* ~0 - Error. -* -----------------------------------------------------------------*/ +/* + * prism2mib_wepdefaultkey + * + * Get/set WEP default keys. + * + * MIB record parameters: + * parm1 Prism2 RID value. + * parm2 Number of bytes of RID data. + * parm3 Not used. + * + * Arguments: + * mib MIB record. + * isget MIBGET/MIBSET flag. + * wlandev wlan device structure. + * priv "priv" structure. + * hw "hw" structure. + * msg Message structure. + * data Data buffer. + * + * Returns: + * 0 - Success. + * ~0 - Error. + * + */ static int prism2mib_wepdefaultkey(struct mibrec *mib, int isget, @@ -550,30 +550,30 @@ static int prism2mib_wepdefaultkey(struct mibrec *mib, return result; } -/*---------------------------------------------------------------- -* prism2mib_privacyinvoked -* -* Get/set the dot11PrivacyInvoked value. -* -* MIB record parameters: -* parm1 Prism2 RID value. -* parm2 Bit value for PrivacyInvoked flag. -* parm3 Not used. -* -* Arguments: -* mib MIB record. -* isget MIBGET/MIBSET flag. -* wlandev wlan device structure. -* priv "priv" structure. -* hw "hw" structure. -* msg Message structure. -* data Data buffer. -* -* Returns: -* 0 - Success. -* ~0 - Error. -* -----------------------------------------------------------------*/ +/* + * prism2mib_privacyinvoked + * + * Get/set the dot11PrivacyInvoked value. + * + * MIB record parameters: + * parm1 Prism2 RID value. + * parm2 Bit value for PrivacyInvoked flag. + * parm3 Not used. + * + * Arguments: + * mib MIB record. + * isget MIBGET/MIBSET flag. + * wlandev wlan device structure. + * priv "priv" structure. + * hw "hw" structure. + * msg Message structure. + * data Data buffer. + * + * Returns: + * 0 - Success. + * ~0 - Error. + * + */ static int prism2mib_privacyinvoked(struct mibrec *mib, int isget, @@ -592,30 +592,30 @@ static int prism2mib_privacyinvoked(struct mibrec *mib, return prism2mib_flag(mib, isget, wlandev, hw, msg, data); } -/*---------------------------------------------------------------- -* prism2mib_excludeunencrypted -* -* Get/set the dot11ExcludeUnencrypted value. -* -* MIB record parameters: -* parm1 Prism2 RID value. -* parm2 Bit value for ExcludeUnencrypted flag. -* parm3 Not used. -* -* Arguments: -* mib MIB record. -* isget MIBGET/MIBSET flag. -* wlandev wlan device structure. -* priv "priv" structure. -* hw "hw" structure. -* msg Message structure. -* data Data buffer. -* -* Returns: -* 0 - Success. -* ~0 - Error. -* -----------------------------------------------------------------*/ +/* + * prism2mib_excludeunencrypted + * + * Get/set the dot11ExcludeUnencrypted value. + * + * MIB record parameters: + * parm1 Prism2 RID value. + * parm2 Bit value for ExcludeUnencrypted flag. + * parm3 Not used. + * + * Arguments: + * mib MIB record. + * isget MIBGET/MIBSET flag. + * wlandev wlan device structure. + * priv "priv" structure. + * hw "hw" structure. + * msg Message structure. + * data Data buffer. + * + * Returns: + * 0 - Success. + * ~0 - Error. + * + */ static int prism2mib_excludeunencrypted(struct mibrec *mib, int isget, @@ -628,30 +628,30 @@ static int prism2mib_excludeunencrypted(struct mibrec *mib, return prism2mib_flag(mib, isget, wlandev, hw, msg, data); } -/*---------------------------------------------------------------- -* prism2mib_fragmentationthreshold -* -* Get/set the fragmentation threshold. -* -* MIB record parameters: -* parm1 Prism2 RID value. -* parm2 Not used. -* parm3 Not used. -* -* Arguments: -* mib MIB record. -* isget MIBGET/MIBSET flag. -* wlandev wlan device structure. -* priv "priv" structure. -* hw "hw" structure. -* msg Message structure. -* data Data buffer. -* -* Returns: -* 0 - Success. -* ~0 - Error. -* -----------------------------------------------------------------*/ +/* + * prism2mib_fragmentationthreshold + * + * Get/set the fragmentation threshold. + * + * MIB record parameters: + * parm1 Prism2 RID value. + * parm2 Not used. + * parm3 Not used. + * + * Arguments: + * mib MIB record. + * isget MIBGET/MIBSET flag. + * wlandev wlan device structure. + * priv "priv" structure. + * hw "hw" structure. + * msg Message structure. + * data Data buffer. + * + * Returns: + * 0 - Success. + * ~0 - Error. + * + */ static int prism2mib_fragmentationthreshold(struct mibrec *mib, int isget, @@ -674,30 +674,30 @@ static int prism2mib_fragmentationthreshold(struct mibrec *mib, return prism2mib_uint32(mib, isget, wlandev, hw, msg, data); } -/*---------------------------------------------------------------- -* prism2mib_priv -* -* Get/set values in the "priv" data structure. -* -* MIB record parameters: -* parm1 Not used. -* parm2 Not used. -* parm3 Not used. -* -* Arguments: -* mib MIB record. -* isget MIBGET/MIBSET flag. -* wlandev wlan device structure. -* priv "priv" structure. -* hw "hw" structure. -* msg Message structure. -* data Data buffer. -* -* Returns: -* 0 - Success. -* ~0 - Error. -* -----------------------------------------------------------------*/ +/* + * prism2mib_priv + * + * Get/set values in the "priv" data structure. + * + * MIB record parameters: + * parm1 Not used. + * parm2 Not used. + * parm3 Not used. + * + * Arguments: + * mib MIB record. + * isget MIBGET/MIBSET flag. + * wlandev wlan device structure. + * priv "priv" structure. + * hw "hw" structure. + * msg Message structure. + * data Data buffer. + * + * Returns: + * 0 - Success. + * ~0 - Error. + * + */ static int prism2mib_priv(struct mibrec *mib, int isget, @@ -736,20 +736,20 @@ static int prism2mib_priv(struct mibrec *mib, return 0; } -/*---------------------------------------------------------------- -* prism2mgmt_pstr2bytestr -* -* Convert the pstr data in the WLAN message structure into an hfa384x -* byte string format. -* -* Arguments: -* bytestr hfa384x byte string data type -* pstr wlan message data -* -* Returns: -* Nothing -* -----------------------------------------------------------------*/ +/* + * prism2mgmt_pstr2bytestr + * + * Convert the pstr data in the WLAN message structure into an hfa384x + * byte string format. + * + * Arguments: + * bytestr hfa384x byte string data type + * pstr wlan message data + * + * Returns: + * Nothing + * + */ void prism2mgmt_pstr2bytestr(struct hfa384x_bytestr *bytestr, p80211pstrd_t *pstr) @@ -758,20 +758,20 @@ void prism2mgmt_pstr2bytestr(struct hfa384x_bytestr *bytestr, memcpy(bytestr->data, pstr->data, pstr->len); } -/*---------------------------------------------------------------- -* prism2mgmt_bytestr2pstr -* -* Convert the data in an hfa384x byte string format into a -* pstr in the WLAN message. -* -* Arguments: -* bytestr hfa384x byte string data type -* msg wlan message -* -* Returns: -* Nothing -* -----------------------------------------------------------------*/ +/* + * prism2mgmt_bytestr2pstr + * + * Convert the data in an hfa384x byte string format into a + * pstr in the WLAN message. + * + * Arguments: + * bytestr hfa384x byte string data type + * msg wlan message + * + * Returns: + * Nothing + * + */ void prism2mgmt_bytestr2pstr(struct hfa384x_bytestr *bytestr, p80211pstrd_t *pstr) @@ -780,20 +780,20 @@ void prism2mgmt_bytestr2pstr(struct hfa384x_bytestr *bytestr, memcpy(pstr->data, bytestr->data, pstr->len); } -/*---------------------------------------------------------------- -* prism2mgmt_bytearea2pstr -* -* Convert the data in an hfa384x byte area format into a pstr -* in the WLAN message. -* -* Arguments: -* bytearea hfa384x byte area data type -* msg wlan message -* -* Returns: -* Nothing -* -----------------------------------------------------------------*/ +/* + * prism2mgmt_bytearea2pstr + * + * Convert the data in an hfa384x byte area format into a pstr + * in the WLAN message. + * + * Arguments: + * bytearea hfa384x byte area data type + * msg wlan message + * + * Returns: + * Nothing + * + */ void prism2mgmt_bytearea2pstr(u8 *bytearea, p80211pstrd_t *pstr, int len) { diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c index b26d09ff840c..0463ec16802c 100644 --- a/drivers/staging/wlan-ng/prism2usb.c +++ b/drivers/staging/wlan-ng/prism2usb.c @@ -47,11 +47,11 @@ static const struct usb_device_id usb_prism_tbl[] = { PRISM_DEV(0x0bb2, 0x0302, "Ambit Microsystems Corp."), PRISM_DEV(0x9016, 0x182d, "Sitecom WL-022 802.11b USB Adapter"), PRISM_DEV(0x0543, 0x0f01, - "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)"), + "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)"), PRISM_DEV(0x067c, 0x1022, - "Siemens SpeedStream 1022 11Mbps WLAN USB Adapter"), + "Siemens SpeedStream 1022 11Mbps WLAN USB Adapter"), PRISM_DEV(0x049f, 0x0033, - "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter"), + "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter"), { } /* terminator */ }; MODULE_DEVICE_TABLE(usb, usb_prism_tbl); @@ -74,7 +74,7 @@ static int prism2sta_probe_usb(struct usb_interface *interface, } hw = wlandev->priv; - if (wlan_setup(wlandev, &(interface->dev)) != 0) { + if (wlan_setup(wlandev, &interface->dev) != 0) { dev_err(&interface->dev, "wlan_setup() failed.\n"); result = -EIO; goto failed; @@ -87,7 +87,7 @@ static int prism2sta_probe_usb(struct usb_interface *interface, /* Register the wlandev, this gets us a name and registers the * linux netdevice. */ - SET_NETDEV_DEV(wlandev->netdev, &(interface->dev)); + SET_NETDEV_DEV(wlandev->netdev, &interface->dev); /* Do a chip-level reset on the MAC */ if (prism2_doreset) { @@ -137,7 +137,7 @@ static void prism2sta_disconnect_usb(struct usb_interface *interface) wlandevice_t *wlandev; wlandev = (wlandevice_t *)usb_get_intfdata(interface); - if (wlandev != NULL) { + if (wlandev) { LIST_HEAD(cleanlist); hfa384x_usbctlx_t *ctlx, *temp; unsigned long flags; @@ -216,7 +216,7 @@ exit: #ifdef CONFIG_PM static int prism2sta_suspend(struct usb_interface *interface, - pm_message_t message) + pm_message_t message) { hfa384x_t *hw = NULL; wlandevice_t *wlandev; |