aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c')
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c259
1 files changed, 255 insertions, 4 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
index 987fb6f8adc3..4e22e794a186 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
@@ -21,8 +21,6 @@
#include <linux/aer.h>
#include <linux/log2.h>
-#include <linux/sysfs.h>
-
#define QLC_STATUS_UNSUPPORTED_CMD -2
int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable)
@@ -200,10 +198,10 @@ beacon_err:
}
err = qlcnic_config_led(adapter, b_state, b_rate);
- if (!err)
+ if (!err) {
err = len;
- else
ahw->beacon_state = b_state;
+ }
if (test_and_clear_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state))
qlcnic_diag_free_res(adapter->netdev, max_sds_rings);
@@ -886,6 +884,244 @@ static ssize_t qlcnic_sysfs_read_pci_config(struct file *file,
return size;
}
+static ssize_t qlcnic_83xx_sysfs_flash_read_handler(struct file *filp,
+ struct kobject *kobj,
+ struct bin_attribute *attr,
+ char *buf, loff_t offset,
+ size_t size)
+{
+ unsigned char *p_read_buf;
+ int ret, count;
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
+
+ if (!size)
+ return QL_STATUS_INVALID_PARAM;
+ if (!buf)
+ return QL_STATUS_INVALID_PARAM;
+
+ count = size / sizeof(u32);
+
+ if (size % sizeof(u32))
+ count++;
+
+ p_read_buf = kcalloc(size, sizeof(unsigned char), GFP_KERNEL);
+ if (!p_read_buf)
+ return -ENOMEM;
+ if (qlcnic_83xx_lock_flash(adapter) != 0) {
+ kfree(p_read_buf);
+ return -EIO;
+ }
+
+ ret = qlcnic_83xx_lockless_flash_read32(adapter, offset, p_read_buf,
+ count);
+
+ if (ret) {
+ qlcnic_83xx_unlock_flash(adapter);
+ kfree(p_read_buf);
+ return ret;
+ }
+
+ qlcnic_83xx_unlock_flash(adapter);
+ memcpy(buf, p_read_buf, size);
+ kfree(p_read_buf);
+
+ return size;
+}
+
+static int qlcnic_83xx_sysfs_flash_bulk_write(struct qlcnic_adapter *adapter,
+ char *buf, loff_t offset,
+ size_t size)
+{
+ int i, ret, count;
+ unsigned char *p_cache, *p_src;
+
+ p_cache = kcalloc(size, sizeof(unsigned char), GFP_KERNEL);
+ if (!p_cache)
+ return -ENOMEM;
+
+ memcpy(p_cache, buf, size);
+ p_src = p_cache;
+ count = size / sizeof(u32);
+
+ if (qlcnic_83xx_lock_flash(adapter) != 0) {
+ kfree(p_cache);
+ return -EIO;
+ }
+
+ if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) {
+ ret = qlcnic_83xx_enable_flash_write(adapter);
+ if (ret) {
+ kfree(p_cache);
+ qlcnic_83xx_unlock_flash(adapter);
+ return -EIO;
+ }
+ }
+
+ for (i = 0; i < count / QLC_83XX_FLASH_WRITE_MAX; i++) {
+ ret = qlcnic_83xx_flash_bulk_write(adapter, offset,
+ (u32 *)p_src,
+ QLC_83XX_FLASH_WRITE_MAX);
+
+ if (ret) {
+ if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) {
+ ret = qlcnic_83xx_disable_flash_write(adapter);
+ if (ret) {
+ kfree(p_cache);
+ qlcnic_83xx_unlock_flash(adapter);
+ return -EIO;
+ }
+ }
+
+ kfree(p_cache);
+ qlcnic_83xx_unlock_flash(adapter);
+ return -EIO;
+ }
+
+ p_src = p_src + sizeof(u32)*QLC_83XX_FLASH_WRITE_MAX;
+ offset = offset + sizeof(u32)*QLC_83XX_FLASH_WRITE_MAX;
+ }
+
+ if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) {
+ ret = qlcnic_83xx_disable_flash_write(adapter);
+ if (ret) {
+ kfree(p_cache);
+ qlcnic_83xx_unlock_flash(adapter);
+ return -EIO;
+ }
+ }
+
+ kfree(p_cache);
+ qlcnic_83xx_unlock_flash(adapter);
+
+ return 0;
+}
+
+static int qlcnic_83xx_sysfs_flash_write(struct qlcnic_adapter *adapter,
+ char *buf, loff_t offset, size_t size)
+{
+ int i, ret, count;
+ unsigned char *p_cache, *p_src;
+
+ p_cache = kcalloc(size, sizeof(unsigned char), GFP_KERNEL);
+ if (!p_cache)
+ return -ENOMEM;
+
+ memcpy(p_cache, buf, size);
+ p_src = p_cache;
+ count = size / sizeof(u32);
+
+ if (qlcnic_83xx_lock_flash(adapter) != 0) {
+ kfree(p_cache);
+ return -EIO;
+ }
+
+ if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) {
+ ret = qlcnic_83xx_enable_flash_write(adapter);
+ if (ret) {
+ kfree(p_cache);
+ qlcnic_83xx_unlock_flash(adapter);
+ return -EIO;
+ }
+ }
+
+ for (i = 0; i < count; i++) {
+ ret = qlcnic_83xx_flash_write32(adapter, offset, (u32 *)p_src);
+ if (ret) {
+ if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) {
+ ret = qlcnic_83xx_disable_flash_write(adapter);
+ if (ret) {
+ kfree(p_cache);
+ qlcnic_83xx_unlock_flash(adapter);
+ return -EIO;
+ }
+ }
+ kfree(p_cache);
+ qlcnic_83xx_unlock_flash(adapter);
+ return -EIO;
+ }
+
+ p_src = p_src + sizeof(u32);
+ offset = offset + sizeof(u32);
+ }
+
+ if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) {
+ ret = qlcnic_83xx_disable_flash_write(adapter);
+ if (ret) {
+ kfree(p_cache);
+ qlcnic_83xx_unlock_flash(adapter);
+ return -EIO;
+ }
+ }
+
+ kfree(p_cache);
+ qlcnic_83xx_unlock_flash(adapter);
+
+ return 0;
+}
+
+static ssize_t qlcnic_83xx_sysfs_flash_write_handler(struct file *filp,
+ struct kobject *kobj,
+ struct bin_attribute *attr,
+ char *buf, loff_t offset,
+ size_t size)
+{
+ int ret;
+ static int flash_mode;
+ unsigned long data;
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
+
+ if (!buf)
+ return QL_STATUS_INVALID_PARAM;
+
+ ret = kstrtoul(buf, 16, &data);
+
+ switch (data) {
+ case QLC_83XX_FLASH_SECTOR_ERASE_CMD:
+ flash_mode = QLC_83XX_ERASE_MODE;
+ ret = qlcnic_83xx_erase_flash_sector(adapter, offset);
+ if (ret) {
+ dev_err(&adapter->pdev->dev,
+ "%s failed at %d\n", __func__, __LINE__);
+ return -EIO;
+ }
+ break;
+
+ case QLC_83XX_FLASH_BULK_WRITE_CMD:
+ flash_mode = QLC_83XX_BULK_WRITE_MODE;
+ break;
+
+ case QLC_83XX_FLASH_WRITE_CMD:
+ flash_mode = QLC_83XX_WRITE_MODE;
+ break;
+ default:
+ if (flash_mode == QLC_83XX_BULK_WRITE_MODE) {
+ ret = qlcnic_83xx_sysfs_flash_bulk_write(adapter, buf,
+ offset, size);
+ if (ret) {
+ dev_err(&adapter->pdev->dev,
+ "%s failed at %d\n",
+ __func__, __LINE__);
+ return -EIO;
+ }
+ }
+
+ if (flash_mode == QLC_83XX_WRITE_MODE) {
+ ret = qlcnic_83xx_sysfs_flash_write(adapter, buf,
+ offset, size);
+ if (ret) {
+ dev_err(&adapter->pdev->dev,
+ "%s failed at %d\n", __func__,
+ __LINE__);
+ return -EIO;
+ }
+ }
+ }
+
+ return size;
+}
+
static struct device_attribute dev_attr_bridged_mode = {
.attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
.show = qlcnic_show_bridged_mode,
@@ -960,6 +1196,13 @@ static struct bin_attribute bin_attr_pm_config = {
.write = qlcnic_sysfs_write_pm_config,
};
+static struct bin_attribute bin_attr_flash = {
+ .attr = {.name = "flash", .mode = (S_IRUGO | S_IWUSR)},
+ .size = 0,
+ .read = qlcnic_83xx_sysfs_flash_read_handler,
+ .write = qlcnic_83xx_sysfs_flash_write_handler,
+};
+
void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter)
{
struct device *dev = &adapter->pdev->dev;
@@ -1048,10 +1291,18 @@ void qlcnic_82xx_remove_sysfs(struct qlcnic_adapter *adapter)
void qlcnic_83xx_add_sysfs(struct qlcnic_adapter *adapter)
{
+ struct device *dev = &adapter->pdev->dev;
+
qlcnic_create_diag_entries(adapter);
+
+ if (sysfs_create_bin_file(&dev->kobj, &bin_attr_flash))
+ dev_info(dev, "failed to create flash sysfs entry\n");
}
void qlcnic_83xx_remove_sysfs(struct qlcnic_adapter *adapter)
{
+ struct device *dev = &adapter->pdev->dev;
+
qlcnic_remove_diag_entries(adapter);
+ sysfs_remove_bin_file(&dev->kobj, &bin_attr_flash);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.