diff options
Diffstat (limited to 'drivers/staging/rdma/ipath/ipath_sysfs.c')
| -rw-r--r-- | drivers/staging/rdma/ipath/ipath_sysfs.c | 1237 |
1 files changed, 0 insertions, 1237 deletions
diff --git a/drivers/staging/rdma/ipath/ipath_sysfs.c b/drivers/staging/rdma/ipath/ipath_sysfs.c deleted file mode 100644 index b12b1f6caf59..000000000000 --- a/drivers/staging/rdma/ipath/ipath_sysfs.c +++ /dev/null @@ -1,1237 +0,0 @@ -/* - * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved. - * Copyright (c) 2006 PathScale, Inc. All rights reserved. - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * 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. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#include <linux/ctype.h> -#include <linux/stat.h> - -#include "ipath_kernel.h" -#include "ipath_verbs.h" -#include "ipath_common.h" - -/** - * ipath_parse_ushort - parse an unsigned short value in an arbitrary base - * @str: the string containing the number - * @valp: where to put the result - * - * returns the number of bytes consumed, or negative value on error - */ -int ipath_parse_ushort(const char *str, unsigned short *valp) -{ - unsigned long val; - char *end; - int ret; - - if (!isdigit(str[0])) { - ret = -EINVAL; - goto bail; - } - - val = simple_strtoul(str, &end, 0); - - if (val > 0xffff) { - ret = -EINVAL; - goto bail; - } - - *valp = val; - - ret = end + 1 - str; - if (ret == 0) - ret = -EINVAL; - -bail: - return ret; -} - -static ssize_t show_version(struct device_driver *dev, char *buf) -{ - /* The string printed here is already newline-terminated. */ - return scnprintf(buf, PAGE_SIZE, "%s", ib_ipath_version); -} - -static ssize_t show_num_units(struct device_driver *dev, char *buf) -{ - return scnprintf(buf, PAGE_SIZE, "%d\n", - ipath_count_units(NULL, NULL, NULL)); -} - -static ssize_t show_status(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - ssize_t ret; - - if (!dd->ipath_statusp) { - ret = -EINVAL; - goto bail; - } - - ret = scnprintf(buf, PAGE_SIZE, "0x%llx\n", - (unsigned long long) *(dd->ipath_statusp)); - -bail: - return ret; -} - -static const char *ipath_status_str[] = { - "Initted", - "Disabled", - "Admin_Disabled", - "", /* This used to be the old "OIB_SMA" status. */ - "", /* This used to be the old "SMA" status. */ - "Present", - "IB_link_up", - "IB_configured", - "NoIBcable", - "Fatal_Hardware_Error", - NULL, -}; - -static ssize_t show_status_str(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int i, any; - u64 s; - ssize_t ret; - - if (!dd->ipath_statusp) { - ret = -EINVAL; - goto bail; - } - - s = *(dd->ipath_statusp); - *buf = '\0'; - for (any = i = 0; s && ipath_status_str[i]; i++) { - if (s & 1) { - if (any && strlcat(buf, " ", PAGE_SIZE) >= - PAGE_SIZE) - /* overflow */ - break; - if (strlcat(buf, ipath_status_str[i], - PAGE_SIZE) >= PAGE_SIZE) - break; - any = 1; - } - s >>= 1; - } - if (any) - strlcat(buf, "\n", PAGE_SIZE); - - ret = strlen(buf); - -bail: - return ret; -} - -static ssize_t show_boardversion(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - /* The string printed here is already newline-terminated. */ - return scnprintf(buf, PAGE_SIZE, "%s", dd->ipath_boardversion); -} - -static ssize_t show_localbus_info(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - /* The string printed here is already newline-terminated. */ - return scnprintf(buf, PAGE_SIZE, "%s", dd->ipath_lbus_info); -} - -static ssize_t show_lmc(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - - return scnprintf(buf, PAGE_SIZE, "%u\n", dd->ipath_lmc); -} - -static ssize_t store_lmc(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - u16 lmc = 0; - int ret; - - ret = ipath_parse_ushort(buf, &lmc); - if (ret < 0) - goto invalid; - - if (lmc > 7) { - ret = -EINVAL; - goto invalid; - } - - ipath_set_lid(dd, dd->ipath_lid, lmc); - - goto bail; -invalid: - ipath_dev_err(dd, "attempt to set invalid LMC %u\n", lmc); -bail: - return ret; -} - -static ssize_t show_lid(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - - return scnprintf(buf, PAGE_SIZE, "0x%x\n", dd->ipath_lid); -} - -static ssize_t store_lid(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - u16 lid = 0; - int ret; - - ret = ipath_parse_ushort(buf, &lid); - if (ret < 0) - goto invalid; - - if (lid == 0 || lid >= IPATH_MULTICAST_LID_BASE) { - ret = -EINVAL; - goto invalid; - } - - ipath_set_lid(dd, lid, dd->ipath_lmc); - - goto bail; -invalid: - ipath_dev_err(dd, "attempt to set invalid LID 0x%x\n", lid); -bail: - return ret; -} - -static ssize_t show_mlid(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - - return scnprintf(buf, PAGE_SIZE, "0x%x\n", dd->ipath_mlid); -} - -static ssize_t store_mlid(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - u16 mlid; - int ret; - - ret = ipath_parse_ushort(buf, &mlid); - if (ret < 0 || mlid < IPATH_MULTICAST_LID_BASE) - goto invalid; - - dd->ipath_mlid = mlid; - - goto bail; -invalid: - ipath_dev_err(dd, "attempt to set invalid MLID\n"); -bail: - return ret; -} - -static ssize_t show_guid(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - u8 *guid; - - guid = (u8 *) & (dd->ipath_guid); - - return scnprintf(buf, PAGE_SIZE, - "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n", - guid[0], guid[1], guid[2], guid[3], - guid[4], guid[5], guid[6], guid[7]); -} - -static ssize_t store_guid(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - ssize_t ret; - unsigned short guid[8]; - __be64 new_guid; - u8 *ng; - int i; - - if (sscanf(buf, "%hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx", - &guid[0], &guid[1], &guid[2], &guid[3], - &guid[4], &guid[5], &guid[6], &guid[7]) != 8) - goto invalid; - - ng = (u8 *) &new_guid; - - for (i = 0; i < 8; i++) { - if (guid[i] > 0xff) - goto invalid; - ng[i] = guid[i]; - } - - if (new_guid == 0) - goto invalid; - - dd->ipath_guid = new_guid; - dd->ipath_nguid = 1; - if (dd->verbs_dev) - dd->verbs_dev->ibdev.node_guid = new_guid; - - ret = strlen(buf); - goto bail; - -invalid: - ipath_dev_err(dd, "attempt to set invalid GUID\n"); - ret = -EINVAL; - -bail: - return ret; -} - -static ssize_t show_nguid(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - - return scnprintf(buf, PAGE_SIZE, "%u\n", dd->ipath_nguid); -} - -static ssize_t show_nports(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - - /* Return the number of user ports available. */ - return scnprintf(buf, PAGE_SIZE, "%u\n", dd->ipath_cfgports - 1); -} - -static ssize_t show_serial(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - - buf[sizeof dd->ipath_serial] = '\0'; - memcpy(buf, dd->ipath_serial, sizeof dd->ipath_serial); - strcat(buf, "\n"); - return strlen(buf); -} - -static ssize_t show_unit(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - - return scnprintf(buf, PAGE_SIZE, "%u\n", dd->ipath_unit); -} - -static ssize_t show_jint_max_packets(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - - return scnprintf(buf, PAGE_SIZE, "%hu\n", dd->ipath_jint_max_packets); -} - -static ssize_t store_jint_max_packets(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - u16 v = 0; - int ret; - - ret = ipath_parse_ushort(buf, &v); - if (ret < 0) - ipath_dev_err(dd, "invalid jint_max_packets.\n"); - else - dd->ipath_f_config_jint(dd, dd->ipath_jint_idle_ticks, v); - - return ret; -} - -static ssize_t show_jint_idle_ticks(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - - return scnprintf(buf, PAGE_SIZE, "%hu\n", dd->ipath_jint_idle_ticks); -} - -static ssize_t store_jint_idle_ticks(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - u16 v = 0; - int ret; - - ret = ipath_parse_ushort(buf, &v); - if (ret < 0) - ipath_dev_err(dd, "invalid jint_idle_ticks.\n"); - else - dd->ipath_f_config_jint(dd, v, dd->ipath_jint_max_packets); - - return ret; -} - -#define DEVICE_COUNTER(name, attr) \ - static ssize_t show_counter_##name(struct device *dev, \ - struct device_attribute *attr, \ - char *buf) \ - { \ - struct ipath_devdata *dd = dev_get_drvdata(dev); \ - return scnprintf(\ - buf, PAGE_SIZE, "%llu\n", (unsigned long long) \ - ipath_snap_cntr( \ - dd, offsetof(struct infinipath_counters, \ - attr) / sizeof(u64))); \ - } \ - static DEVICE_ATTR(name, S_IRUGO, show_counter_##name, NULL); - -DEVICE_COUNTER(ib_link_downeds, IBLinkDownedCnt); -DEVICE_COUNTER(ib_link_err_recoveries, IBLinkErrRecoveryCnt); -DEVICE_COUNTER(ib_status_changes, IBStatusChangeCnt); -DEVICE_COUNTER(ib_symbol_errs, IBSymbolErrCnt); -DEVICE_COUNTER(lb_flow_stalls, LBFlowStallCnt); -DEVICE_COUNTER(lb_ints, LBIntCnt); -DEVICE_COUNTER(rx_bad_formats, RxBadFormatCnt); -DEVICE_COUNTER(rx_buf_ovfls, RxBufOvflCnt); -DEVICE_COUNTER(rx_data_pkts, RxDataPktCnt); -DEVICE_COUNTER(rx_dropped_pkts, RxDroppedPktCnt); -DEVICE_COUNTER(rx_dwords, RxDwordCnt); -DEVICE_COUNTER(rx_ebps, RxEBPCnt); -DEVICE_COUNTER(rx_flow_ctrl_errs, RxFlowCtrlErrCnt); -DEVICE_COUNTER(rx_flow_pkts, RxFlowPktCnt); -DEVICE_COUNTER(rx_icrc_errs, RxICRCErrCnt); -DEVICE_COUNTER(rx_len_errs, RxLenErrCnt); -DEVICE_COUNTER(rx_link_problems, RxLinkProblemCnt); -DEVICE_COUNTER(rx_lpcrc_errs, RxLPCRCErrCnt); -DEVICE_COUNTER(rx_max_min_len_errs, RxMaxMinLenErrCnt); -DEVICE_COUNTER(rx_p0_hdr_egr_ovfls, RxP0HdrEgrOvflCnt); -DEVICE_COUNTER(rx_p1_hdr_egr_ovfls, RxP1HdrEgrOvflCnt); -DEVICE_COUNTER(rx_p2_hdr_egr_ovfls, RxP2HdrEgrOvflCnt); -DEVICE_COUNTER(rx_p3_hdr_egr_ovfls, RxP3HdrEgrOvflCnt); -DEVICE_COUNTER(rx_p4_hdr_egr_ovfls, RxP4HdrEgrOvflCnt); -DEVICE_COUNTER(rx_p5_hdr_egr_ovfls, RxP5HdrEgrOvflCnt); -DEVICE_COUNTER(rx_p6_hdr_egr_ovfls, RxP6HdrEgrOvflCnt); -DEVICE_COUNTER(rx_p7_hdr_egr_ovfls, RxP7HdrEgrOvflCnt); -DEVICE_COUNTER(rx_p8_hdr_egr_ovfls, RxP8HdrEgrOvflCnt); -DEVICE_COUNTER(rx_pkey_mismatches, RxPKeyMismatchCnt); -DEVICE_COUNTER(rx_tid_full_errs, RxTIDFullErrCnt); -DEVICE_COUNTER(rx_tid_valid_errs, RxTIDValidErrCnt); -DEVICE_COUNTER(rx_vcrc_errs, RxVCRCErrCnt); -DEVICE_COUNTER(tx_data_pkts, TxDataPktCnt); -DEVICE_COUNTER(tx_dropped_pkts, TxDroppedPktCnt); -DEVICE_COUNTER(tx_dwords, TxDwordCnt); -DEVICE_COUNTER(tx_flow_pkts, TxFlowPktCnt); -DEVICE_COUNTER(tx_flow_stalls, TxFlowStallCnt); -DEVICE_COUNTER(tx_len_errs, TxLenErrCnt); -DEVICE_COUNTER(tx_max_min_len_errs, TxMaxMinLenErrCnt); -DEVICE_COUNTER(tx_underruns, TxUnderrunCnt); -DEVICE_COUNTER(tx_unsup_vl_errs, TxUnsupVLErrCnt); - -static struct attribute *dev_counter_attributes[] = { - &dev_attr_ib_link_downeds.attr, - &dev_attr_ib_link_err_recoveries.attr, - &dev_attr_ib_status_changes.attr, - &dev_attr_ib_symbol_errs.attr, - &dev_attr_lb_flow_stalls.attr, - &dev_attr_lb_ints.attr, - &dev_attr_rx_bad_formats.attr, - &dev_attr_rx_buf_ovfls.attr, - &dev_attr_rx_data_pkts.attr, - &dev_attr_rx_dropped_pkts.attr, - &dev_attr_rx_dwords.attr, - &dev_attr_rx_ebps.attr, - &dev_attr_rx_flow_ctrl_errs.attr, - &dev_attr_rx_flow_pkts.attr, - &dev_attr_rx_icrc_errs.attr, - &dev_attr_rx_len_errs.attr, - &dev_attr_rx_link_problems.attr, - &dev_attr_rx_lpcrc_errs.attr, - &dev_attr_rx_max_min_len_errs.attr, - &dev_attr_rx_p0_hdr_egr_ovfls.attr, - &dev_attr_rx_p1_hdr_egr_ovfls.attr, - &dev_attr_rx_p2_hdr_egr_ovfls.attr, - &dev_attr_rx_p3_hdr_egr_ovfls.attr, - &dev_attr_rx_p4_hdr_egr_ovfls.attr, - &dev_attr_rx_p5_hdr_egr_ovfls.attr, - &dev_attr_rx_p6_hdr_egr_ovfls.attr, - &dev_attr_rx_p7_hdr_egr_ovfls.attr, - &dev_attr_rx_p8_hdr_egr_ovfls.attr, - &dev_attr_rx_pkey_mismatches.attr, - &dev_attr_rx_tid_full_errs.attr, - &dev_attr_rx_tid_valid_errs.attr, - &dev_attr_rx_vcrc_errs.attr, - &dev_attr_tx_data_pkts.attr, - &dev_attr_tx_dropped_pkts.attr, - &dev_attr_tx_dwords.attr, - &dev_attr_tx_flow_pkts.attr, - &dev_attr_tx_flow_stalls.attr, - &dev_attr_tx_len_errs.attr, - &dev_attr_tx_max_min_len_errs.attr, - &dev_attr_tx_underruns.attr, - &dev_attr_tx_unsup_vl_errs.attr, - NULL -}; - -static struct attribute_group dev_counter_attr_group = { - .name = "counters", - .attrs = dev_counter_attributes -}; - -static ssize_t store_reset(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret; - - if (count < 5 || memcmp(buf, "reset", 5)) { - ret = -EINVAL; - goto bail; - } - - if (dd->ipath_flags & IPATH_DISABLED) { - /* - * post-reset init would re-enable interrupts, etc. - * so don't allow reset on disabled devices. Not - * perfect error, but about the best choice. - */ - dev_info(dev,"Unit %d is disabled, can't reset\n", - dd->ipath_unit); - ret = -EINVAL; - goto bail; - } - ret = ipath_reset_device(dd->ipath_unit); -bail: - return ret<0 ? ret : count; -} - -static ssize_t store_link_state(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret, r; - u16 state; - - ret = ipath_parse_ushort(buf, &state); - if (ret < 0) - goto invalid; - - r = ipath_set_linkstate(dd, state); - if (r < 0) { - ret = r; - goto bail; - } - - goto bail; -invalid: - ipath_dev_err(dd, "attempt to set invalid link state\n"); -bail: - return ret; -} - -static ssize_t show_mtu(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - return scnprintf(buf, PAGE_SIZE, "%u\n", dd->ipath_ibmtu); -} - -static ssize_t store_mtu(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - ssize_t ret; - u16 mtu = 0; - int r; - - ret = ipath_parse_ushort(buf, &mtu); - if (ret < 0) - goto invalid; - - r = ipath_set_mtu(dd, mtu); - if (r < 0) - ret = r; - - goto bail; -invalid: - ipath_dev_err(dd, "attempt to set invalid MTU\n"); -bail: - return ret; -} - -static ssize_t show_enabled(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - return scnprintf(buf, PAGE_SIZE, "%u\n", - (dd->ipath_flags & IPATH_DISABLED) ? 0 : 1); -} - -static ssize_t store_enabled(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - ssize_t ret; - u16 enable = 0; - - ret = ipath_parse_ushort(buf, &enable); - if (ret < 0) { - ipath_dev_err(dd, "attempt to use non-numeric on enable\n"); - goto bail; - } - - if (enable) { - if (!(dd->ipath_flags & IPATH_DISABLED)) - goto bail; - - dev_info(dev, "Enabling unit %d\n", dd->ipath_unit); - /* same as post-reset */ - ret = ipath_init_chip(dd, 1); - if (ret) - ipath_dev_err(dd, "Failed to enable unit %d\n", - dd->ipath_unit); - else { - dd->ipath_flags &= ~IPATH_DISABLED; - *dd->ipath_statusp &= ~IPATH_STATUS_ADMIN_DISABLED; - } - } else if (!(dd->ipath_flags & IPATH_DISABLED)) { - dev_info(dev, "Disabling unit %d\n", dd->ipath_unit); - ipath_shutdown_device(dd); - dd->ipath_flags |= IPATH_DISABLED; - *dd->ipath_statusp |= IPATH_STATUS_ADMIN_DISABLED; - } - -bail: - return ret; -} - -static ssize_t store_rx_pol_inv(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret, r; - u16 val; - - ret = ipath_parse_ushort(buf, &val); - if (ret < 0) - goto invalid; - - r = ipath_set_rx_pol_inv(dd, val); - if (r < 0) { - ret = r; - goto bail; - } - - goto bail; -invalid: - ipath_dev_err(dd, "attempt to set invalid Rx Polarity invert\n"); -bail: - return ret; -} - -static ssize_t store_led_override(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret; - u16 val; - - ret = ipath_parse_ushort(buf, &val); - if (ret > 0) - ipath_set_led_override(dd, val); - else - ipath_dev_err(dd, "attempt to set invalid LED override\n"); - return ret; -} - -static ssize_t show_logged_errs(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int idx, count; - - /* force consistency with actual EEPROM */ - if (ipath_update_eeprom_log(dd) != 0) - return -ENXIO; - - count = 0; - for (idx = 0; idx < IPATH_EEP_LOG_CNT; ++idx) { - count += scnprintf(buf + count, PAGE_SIZE - count, "%d%c", - dd->ipath_eep_st_errs[idx], - idx == (IPATH_EEP_LOG_CNT - 1) ? '\n' : ' '); - } - - return count; -} - -/* - * New sysfs entries to control various IB config. These all turn into - * accesses via ipath_f_get/set_ib_cfg. - * - * Get/Set heartbeat enable. Or of 1=enabled, 2=auto - */ -static ssize_t show_hrtbt_enb(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret; - - ret = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_HRTBT); - if (ret >= 0) - ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret); - return ret; -} - -static ssize_t store_hrtbt_enb(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret, r; - u16 val; - - ret = ipath_parse_ushort(buf, &val); - if (ret >= 0 && val > 3) - ret = -EINVAL; - if (ret < 0) { - ipath_dev_err(dd, "attempt to set invalid Heartbeat enable\n"); - goto bail; - } - - /* - * Set the "intentional" heartbeat enable per either of - * "Enable" and "Auto", as these are normally set together. - * This bit is consulted when leaving loopback mode, - * because entering loopback mode overrides it and automatically - * disables heartbeat. - */ - r = dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_HRTBT, val); - if (r < 0) - ret = r; - else if (val == IPATH_IB_HRTBT_OFF) - dd->ipath_flags |= IPATH_NO_HRTBT; - else - dd->ipath_flags &= ~IPATH_NO_HRTBT; - -bail: - return ret; -} - -/* - * Get/Set Link-widths enabled. Or of 1=1x, 2=4x (this is human/IB centric, - * _not_ the particular encoding of any given chip) - */ -static ssize_t show_lwid_enb(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret; - - ret = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_LWID_ENB); - if (ret >= 0) - ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret); - return ret; -} - -static ssize_t store_lwid_enb(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret, r; - u16 val; - - ret = ipath_parse_ushort(buf, &val); - if (ret >= 0 && (val == 0 || val > 3)) - ret = -EINVAL; - if (ret < 0) { - ipath_dev_err(dd, - "attempt to set invalid Link Width (enable)\n"); - goto bail; - } - - r = dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_LWID_ENB, val); - if (r < 0) - ret = r; - -bail: - return ret; -} - -/* Get current link width */ -static ssize_t show_lwid(struct device *dev, - struct device_attribute *attr, - char *buf) - -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret; - - ret = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_LWID); - if (ret >= 0) - ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret); - return ret; -} - -/* - * Get/Set Link-speeds enabled. Or of 1=SDR 2=DDR. - */ -static ssize_t show_spd_enb(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret; - - ret = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_SPD_ENB); - if (ret >= 0) - ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret); - return ret; -} - -static ssize_t store_spd_enb(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret, r; - u16 val; - - ret = ipath_parse_ushort(buf, &val); - if (ret >= 0 && (val == 0 || val > (IPATH_IB_SDR | IPATH_IB_DDR))) - ret = -EINVAL; - if (ret < 0) { - ipath_dev_err(dd, - "attempt to set invalid Link Speed (enable)\n"); - goto bail; - } - - r = dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_SPD_ENB, val); - if (r < 0) - ret = r; - -bail: - return ret; -} - -/* Get current link speed */ -static ssize_t show_spd(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret; - - ret = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_SPD); - if (ret >= 0) - ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret); - return ret; -} - -/* - * Get/Set RX polarity-invert enable. 0=no, 1=yes. - */ -static ssize_t show_rx_polinv_enb(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret; - - ret = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_RXPOL_ENB); - if (ret >= 0) - ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret); - return ret; -} - -static ssize_t store_rx_polinv_enb(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret, r; - u16 val; - - ret = ipath_parse_ushort(buf, &val); - if (ret >= 0 && val > 1) { - ipath_dev_err(dd, - "attempt to set invalid Rx Polarity (enable)\n"); - ret = -EINVAL; - goto bail; - } - - r = dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_RXPOL_ENB, val); - if (r < 0) - ret = r; - -bail: - return ret; -} - -/* - * Get/Set RX lane-reversal enable. 0=no, 1=yes. - */ -static ssize_t show_lanerev_enb(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret; - - ret = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_LREV_ENB); - if (ret >= 0) - ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret); - return ret; -} - -static ssize_t store_lanerev_enb(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret, r; - u16 val; - - ret = ipath_parse_ushort(buf, &val); - if (ret >= 0 && val > 1) { - ret = -EINVAL; - ipath_dev_err(dd, - "attempt to set invalid Lane reversal (enable)\n"); - goto bail; - } - - r = dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_LREV_ENB, val); - if (r < 0) - ret = r; - -bail: - return ret; -} - -static DRIVER_ATTR(num_units, S_IRUGO, show_num_units, NULL); -static DRIVER_ATTR(version, S_IRUGO, show_version, NULL); - -static struct attribute *driver_attributes[] = { - &driver_attr_num_units.attr, - &driver_attr_version.attr, - NULL -}; - -static struct attribute_group driver_attr_group = { - .attrs = driver_attributes -}; - -static ssize_t store_tempsense(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret, stat; - u16 val; - - ret = ipath_parse_ushort(buf, &val); - if (ret <= 0) { - ipath_dev_err(dd, "attempt to set invalid tempsense config\n"); - goto bail; - } - /* If anything but the highest limit, enable T_CRIT_A "interrupt" */ - stat = ipath_tempsense_write(dd, 9, (val == 0x7f7f) ? 0x80 : 0); - if (stat) { - ipath_dev_err(dd, "Unable to set tempsense config\n"); - ret = -1; - goto bail; - } - stat = ipath_tempsense_write(dd, 0xB, (u8) (val & 0xFF)); - if (stat) { - ipath_dev_err(dd, "Unable to set local Tcrit\n"); - ret = -1; - goto bail; - } - stat = ipath_tempsense_write(dd, 0xD, (u8) (val >> 8)); - if (stat) { - ipath_dev_err(dd, "Unable to set remote Tcrit\n"); - ret = -1; - goto bail; - } - -bail: - return ret; -} - -/* - * dump tempsense regs. in decimal, to ease shell-scripts. - */ -static ssize_t show_tempsense(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ipath_devdata *dd = dev_get_drvdata(dev); - int ret; - int idx; - u8 regvals[8]; - - ret = -ENXIO; - for (idx = 0; idx < 8; ++idx) { - if (idx == 6) - continue; - ret = ipath_tempsense_read(dd, idx); - if (ret < 0) - break; - regvals[idx] = ret; - } - if (idx == 8) - ret = scnprintf(buf, PAGE_SIZE, "%d %d %02X %02X %d %d\n", - *(signed char *)(regvals), - *(signed char *)(regvals + 1), - regvals[2], regvals[3], - *(signed char *)(regvals + 5), - *(signed char *)(regvals + 7)); - return ret; -} - -const struct attribute_group *ipath_driver_attr_groups[] = { - &driver_attr_group, - NULL, -}; - -static DEVICE_ATTR(guid, S_IWUSR | S_IRUGO, show_guid, store_guid); -static DEVICE_ATTR(lmc, S_IWUSR | S_IRUGO, show_lmc, store_lmc); -static DEVICE_ATTR(lid, S_IWUSR | S_IRUGO, show_lid, store_lid); -static DEVICE_ATTR(link_state, S_IWUSR, NULL, store_link_state); -static DEVICE_ATTR(mlid, S_IWUSR | S_IRUGO, show_mlid, store_mlid); -static DEVICE_ATTR(mtu, S_IWUSR | S_IRUGO, show_mtu, store_mtu); -static DEVICE_ATTR(enabled, S_IWUSR | S_IRUGO, show_enabled, store_enabled); -static DEVICE_ATTR(nguid, S_IRUGO, show_nguid, NULL); -static DEVICE_ATTR(nports, S_IRUGO, show_nports, NULL); -static DEVICE_ATTR(reset, S_IWUSR, NULL, store_reset); -static DEVICE_ATTR(serial, S_IRUGO, show_serial, NULL); -static DEVICE_ATTR(status, S_IRUGO, show_status, NULL); -static DEVICE_ATTR(status_str, S_IRUGO, show_status_str, NULL); -static DEVICE_ATTR(boardversion, S_IRUGO, show_boardversion, NULL); -static DEVICE_ATTR(unit, S_IRUGO, show_unit, NULL); -static DEVICE_ATTR(rx_pol_inv, S_IWUSR, NULL, store_rx_pol_inv); -static DEVICE_ATTR(led_override, S_IWUSR, NULL, store_led_override); -static DEVICE_ATTR(logged_errors, S_IRUGO, show_logged_errs, NULL); -static DEVICE_ATTR(localbus_info, S_IRUGO, show_localbus_info, NULL); -static DEVICE_ATTR(jint_max_packets, S_IWUSR | S_IRUGO, - show_jint_max_packets, store_jint_max_packets); -static DEVICE_ATTR(jint_idle_ticks, S_IWUSR | S_IRUGO, - show_jint_idle_ticks, store_jint_idle_ticks); -static DEVICE_ATTR(tempsense, S_IWUSR | S_IRUGO, - show_tempsense, store_tempsense); - -static struct attribute *dev_attributes[] = { - &dev_attr_guid.attr, - &dev_attr_lmc.attr, - &dev_attr_lid.attr, - &dev_attr_link_state.attr, - &dev_attr_mlid.attr, - &dev_attr_mtu.attr, - &dev_attr_nguid.attr, - &dev_attr_nports.attr, - &dev_attr_serial.attr, - &dev_attr_status.attr, - &dev_attr_status_str.attr, - &dev_attr_boardversion.attr, - &dev_attr_unit.attr, - &dev_attr_enabled.attr, - &dev_attr_rx_pol_inv.attr, - &dev_attr_led_override.attr, - &dev_attr_logged_errors.attr, - &dev_attr_tempsense.attr, - &dev_attr_localbus_info.attr, - NULL -}; - -static struct attribute_group dev_attr_group = { - .attrs = dev_attributes -}; - -static DEVICE_ATTR(hrtbt_enable, S_IWUSR | S_IRUGO, show_hrtbt_enb, - store_hrtbt_enb); -static DEVICE_ATTR(link_width_enable, S_IWUSR | S_IRUGO, show_lwid_enb, - store_lwid_enb); -static DEVICE_ATTR(link_width, S_IRUGO, show_lwid, NULL); -static DEVICE_ATTR(link_speed_enable, S_IWUSR | S_IRUGO, show_spd_enb, - store_spd_enb); -static DEVICE_ATTR(link_speed, S_IRUGO, show_spd, NULL); -static DEVICE_ATTR(rx_pol_inv_enable, S_IWUSR | S_IRUGO, show_rx_polinv_enb, - store_rx_polinv_enb); -static DEVICE_ATTR(rx_lane_rev_enable, S_IWUSR | S_IRUGO, show_lanerev_enb, - store_lanerev_enb); - -static struct attribute *dev_ibcfg_attributes[] = { - &dev_attr_hrtbt_enable.attr, - &dev_attr_link_width_enable.attr, - &dev_attr_link_width.attr, - &dev_attr_link_speed_enable.attr, - &dev_attr_link_speed.attr, - &dev_attr_rx_pol_inv_enable.attr, - &dev_attr_rx_lane_rev_enable.attr, - NULL -}; - -static struct attribute_group dev_ibcfg_attr_group = { - .attrs = dev_ibcfg_attributes -}; - -/** - * ipath_expose_reset - create a device reset file - * @dev: the device structure - * - * Only expose a file that lets us reset the device after someone - * enters diag mode. A device reset is quite likely to crash the - * machine entirely, so we don't want to normally make it - * available. - * - * Called with ipath_mutex held. - */ -int ipath_expose_reset(struct device *dev) -{ - static int exposed; - int ret; - - if (!exposed) { - ret = device_create_file(dev, &dev_attr_reset); - exposed = 1; - } else { - ret = 0; - } - - return ret; -} - -int ipath_device_create_group(struct device *dev, struct ipath_devdata *dd) -{ - int ret; - - ret = sysfs_create_group(&dev->kobj, &dev_attr_group); - if (ret) - goto bail; - - ret = sysfs_create_group(&dev->kobj, &dev_counter_attr_group); - if (ret) - goto bail_attrs; - - if (dd->ipath_flags & IPATH_HAS_MULT_IB_SPEED) { - ret = device_create_file(dev, &dev_attr_jint_idle_ticks); - if (ret) - goto bail_counter; - ret = device_create_file(dev, &dev_attr_jint_max_packets); - if (ret) - goto bail_idle; - - ret = sysfs_create_group(&dev->kobj, &dev_ibcfg_attr_group); - if (ret) - goto bail_max; - } - - return 0; - -bail_max: - device_remove_file(dev, &dev_attr_jint_max_packets); -bail_idle: - device_remove_file(dev, &dev_attr_jint_idle_ticks); -bail_counter: - sysfs_remove_group(&dev->kobj, &dev_counter_attr_group); -bail_attrs: - sysfs_remove_group(&dev->kobj, &dev_attr_group); -bail: - return ret; -} - -void ipath_device_remove_group(struct device *dev, struct ipath_devdata *dd) -{ - sysfs_remove_group(&dev->kobj, &dev_counter_attr_group); - - if (dd->ipath_flags & IPATH_HAS_MULT_IB_SPEED) { - sysfs_remove_group(&dev->kobj, &dev_ibcfg_attr_group); - device_remove_file(dev, &dev_attr_jint_idle_ticks); - device_remove_file(dev, &dev_attr_jint_max_packets); - } - - sysfs_remove_group(&dev->kobj, &dev_attr_group); - - device_remove_file(dev, &dev_attr_reset); -} |