| /* |
| * Copyright (c) 2006, 2007 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 "ipath_kernel.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_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, 0); |
| |
| 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; |
| |
| 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); |
| } |
| |
| #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; |
| } |
| 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; |
| } |
| |
| 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 DEVICE_ATTR(guid, S_IWUSR | S_IRUGO, show_guid, store_guid); |
| 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 struct attribute *dev_attributes[] = { |
| &dev_attr_guid.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, |
| NULL |
| }; |
| |
| static struct attribute_group dev_attr_group = { |
| .attrs = dev_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_driver_create_group(struct device_driver *drv) |
| { |
| int ret; |
| |
| ret = sysfs_create_group(&drv->kobj, &driver_attr_group); |
| |
| return ret; |
| } |
| |
| void ipath_driver_remove_group(struct device_driver *drv) |
| { |
| sysfs_remove_group(&drv->kobj, &driver_attr_group); |
| } |
| |
| int ipath_device_create_group(struct device *dev, struct ipath_devdata *dd) |
| { |
| int ret; |
| char unit[5]; |
| |
| 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; |
| |
| snprintf(unit, sizeof(unit), "%02d", dd->ipath_unit); |
| ret = sysfs_create_link(&dev->driver->kobj, &dev->kobj, unit); |
| if (ret == 0) |
| goto bail; |
| |
| 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) |
| { |
| char unit[5]; |
| |
| snprintf(unit, sizeof(unit), "%02d", dd->ipath_unit); |
| sysfs_remove_link(&dev->driver->kobj, unit); |
| |
| sysfs_remove_group(&dev->kobj, &dev_counter_attr_group); |
| sysfs_remove_group(&dev->kobj, &dev_attr_group); |
| |
| device_remove_file(dev, &dev_attr_reset); |
| } |