| /* |
| * |
| * This file is provided under a dual BSD/GPLv2 license. When using or |
| * redistributing this file, you may do so under either license. |
| * |
| * GPL LICENSE SUMMARY |
| * |
| * Copyright(c) 2015 Intel Corporation. |
| * |
| * 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. |
| * |
| * BSD LICENSE |
| * |
| * Copyright(c) 2015 Intel Corporation. |
| * |
| * 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 Intel Corporation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * 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 |
| * OWNER 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/ctype.h> |
| |
| #include "hfi.h" |
| #include "mad.h" |
| #include "trace.h" |
| |
| |
| /* |
| * Start of per-port congestion control structures and support code |
| */ |
| |
| /* |
| * Congestion control table size followed by table entries |
| */ |
| static ssize_t read_cc_table_bin(struct file *filp, struct kobject *kobj, |
| struct bin_attribute *bin_attr, |
| char *buf, loff_t pos, size_t count) |
| { |
| int ret; |
| struct hfi1_pportdata *ppd = |
| container_of(kobj, struct hfi1_pportdata, pport_cc_kobj); |
| struct cc_state *cc_state; |
| |
| ret = ppd->total_cct_entry * sizeof(struct ib_cc_table_entry_shadow) |
| + sizeof(__be16); |
| |
| if (pos > ret) |
| return -EINVAL; |
| |
| if (count > ret - pos) |
| count = ret - pos; |
| |
| if (!count) |
| return count; |
| |
| rcu_read_lock(); |
| cc_state = get_cc_state(ppd); |
| if (cc_state == NULL) { |
| rcu_read_unlock(); |
| return -EINVAL; |
| } |
| memcpy(buf, &cc_state->cct, count); |
| rcu_read_unlock(); |
| |
| return count; |
| } |
| |
| static void port_release(struct kobject *kobj) |
| { |
| /* nothing to do since memory is freed by hfi1_free_devdata() */ |
| } |
| |
| static struct kobj_type port_cc_ktype = { |
| .release = port_release, |
| }; |
| |
| static struct bin_attribute cc_table_bin_attr = { |
| .attr = {.name = "cc_table_bin", .mode = 0444}, |
| .read = read_cc_table_bin, |
| .size = PAGE_SIZE, |
| }; |
| |
| /* |
| * Congestion settings: port control, control map and an array of 16 |
| * entries for the congestion entries - increase, timer, event log |
| * trigger threshold and the minimum injection rate delay. |
| */ |
| static ssize_t read_cc_setting_bin(struct file *filp, struct kobject *kobj, |
| struct bin_attribute *bin_attr, |
| char *buf, loff_t pos, size_t count) |
| { |
| int ret; |
| struct hfi1_pportdata *ppd = |
| container_of(kobj, struct hfi1_pportdata, pport_cc_kobj); |
| struct cc_state *cc_state; |
| |
| ret = sizeof(struct opa_congestion_setting_attr_shadow); |
| |
| if (pos > ret) |
| return -EINVAL; |
| if (count > ret - pos) |
| count = ret - pos; |
| |
| if (!count) |
| return count; |
| |
| rcu_read_lock(); |
| cc_state = get_cc_state(ppd); |
| if (cc_state == NULL) { |
| rcu_read_unlock(); |
| return -EINVAL; |
| } |
| memcpy(buf, &cc_state->cong_setting, count); |
| rcu_read_unlock(); |
| |
| return count; |
| } |
| |
| static struct bin_attribute cc_setting_bin_attr = { |
| .attr = {.name = "cc_settings_bin", .mode = 0444}, |
| .read = read_cc_setting_bin, |
| .size = PAGE_SIZE, |
| }; |
| |
| /* Start sc2vl */ |
| #define HFI1_SC2VL_ATTR(N) \ |
| static struct hfi1_sc2vl_attr hfi1_sc2vl_attr_##N = { \ |
| .attr = { .name = __stringify(N), .mode = 0444 }, \ |
| .sc = N \ |
| } |
| |
| struct hfi1_sc2vl_attr { |
| struct attribute attr; |
| int sc; |
| }; |
| |
| HFI1_SC2VL_ATTR(0); |
| HFI1_SC2VL_ATTR(1); |
| HFI1_SC2VL_ATTR(2); |
| HFI1_SC2VL_ATTR(3); |
| HFI1_SC2VL_ATTR(4); |
| HFI1_SC2VL_ATTR(5); |
| HFI1_SC2VL_ATTR(6); |
| HFI1_SC2VL_ATTR(7); |
| HFI1_SC2VL_ATTR(8); |
| HFI1_SC2VL_ATTR(9); |
| HFI1_SC2VL_ATTR(10); |
| HFI1_SC2VL_ATTR(11); |
| HFI1_SC2VL_ATTR(12); |
| HFI1_SC2VL_ATTR(13); |
| HFI1_SC2VL_ATTR(14); |
| HFI1_SC2VL_ATTR(15); |
| HFI1_SC2VL_ATTR(16); |
| HFI1_SC2VL_ATTR(17); |
| HFI1_SC2VL_ATTR(18); |
| HFI1_SC2VL_ATTR(19); |
| HFI1_SC2VL_ATTR(20); |
| HFI1_SC2VL_ATTR(21); |
| HFI1_SC2VL_ATTR(22); |
| HFI1_SC2VL_ATTR(23); |
| HFI1_SC2VL_ATTR(24); |
| HFI1_SC2VL_ATTR(25); |
| HFI1_SC2VL_ATTR(26); |
| HFI1_SC2VL_ATTR(27); |
| HFI1_SC2VL_ATTR(28); |
| HFI1_SC2VL_ATTR(29); |
| HFI1_SC2VL_ATTR(30); |
| HFI1_SC2VL_ATTR(31); |
| |
| |
| static struct attribute *sc2vl_default_attributes[] = { |
| &hfi1_sc2vl_attr_0.attr, |
| &hfi1_sc2vl_attr_1.attr, |
| &hfi1_sc2vl_attr_2.attr, |
| &hfi1_sc2vl_attr_3.attr, |
| &hfi1_sc2vl_attr_4.attr, |
| &hfi1_sc2vl_attr_5.attr, |
| &hfi1_sc2vl_attr_6.attr, |
| &hfi1_sc2vl_attr_7.attr, |
| &hfi1_sc2vl_attr_8.attr, |
| &hfi1_sc2vl_attr_9.attr, |
| &hfi1_sc2vl_attr_10.attr, |
| &hfi1_sc2vl_attr_11.attr, |
| &hfi1_sc2vl_attr_12.attr, |
| &hfi1_sc2vl_attr_13.attr, |
| &hfi1_sc2vl_attr_14.attr, |
| &hfi1_sc2vl_attr_15.attr, |
| &hfi1_sc2vl_attr_16.attr, |
| &hfi1_sc2vl_attr_17.attr, |
| &hfi1_sc2vl_attr_18.attr, |
| &hfi1_sc2vl_attr_19.attr, |
| &hfi1_sc2vl_attr_20.attr, |
| &hfi1_sc2vl_attr_21.attr, |
| &hfi1_sc2vl_attr_22.attr, |
| &hfi1_sc2vl_attr_23.attr, |
| &hfi1_sc2vl_attr_24.attr, |
| &hfi1_sc2vl_attr_25.attr, |
| &hfi1_sc2vl_attr_26.attr, |
| &hfi1_sc2vl_attr_27.attr, |
| &hfi1_sc2vl_attr_28.attr, |
| &hfi1_sc2vl_attr_29.attr, |
| &hfi1_sc2vl_attr_30.attr, |
| &hfi1_sc2vl_attr_31.attr, |
| NULL |
| }; |
| |
| static ssize_t sc2vl_attr_show(struct kobject *kobj, struct attribute *attr, |
| char *buf) |
| { |
| struct hfi1_sc2vl_attr *sattr = |
| container_of(attr, struct hfi1_sc2vl_attr, attr); |
| struct hfi1_pportdata *ppd = |
| container_of(kobj, struct hfi1_pportdata, sc2vl_kobj); |
| struct hfi1_devdata *dd = ppd->dd; |
| |
| return sprintf(buf, "%u\n", *((u8 *)dd->sc2vl + sattr->sc)); |
| } |
| |
| static const struct sysfs_ops hfi1_sc2vl_ops = { |
| .show = sc2vl_attr_show, |
| }; |
| |
| static struct kobj_type hfi1_sc2vl_ktype = { |
| .release = port_release, |
| .sysfs_ops = &hfi1_sc2vl_ops, |
| .default_attrs = sc2vl_default_attributes |
| }; |
| |
| /* End sc2vl */ |
| |
| /* Start sl2sc */ |
| #define HFI1_SL2SC_ATTR(N) \ |
| static struct hfi1_sl2sc_attr hfi1_sl2sc_attr_##N = { \ |
| .attr = { .name = __stringify(N), .mode = 0444 }, \ |
| .sl = N \ |
| } |
| |
| struct hfi1_sl2sc_attr { |
| struct attribute attr; |
| int sl; |
| }; |
| |
| HFI1_SL2SC_ATTR(0); |
| HFI1_SL2SC_ATTR(1); |
| HFI1_SL2SC_ATTR(2); |
| HFI1_SL2SC_ATTR(3); |
| HFI1_SL2SC_ATTR(4); |
| HFI1_SL2SC_ATTR(5); |
| HFI1_SL2SC_ATTR(6); |
| HFI1_SL2SC_ATTR(7); |
| HFI1_SL2SC_ATTR(8); |
| HFI1_SL2SC_ATTR(9); |
| HFI1_SL2SC_ATTR(10); |
| HFI1_SL2SC_ATTR(11); |
| HFI1_SL2SC_ATTR(12); |
| HFI1_SL2SC_ATTR(13); |
| HFI1_SL2SC_ATTR(14); |
| HFI1_SL2SC_ATTR(15); |
| HFI1_SL2SC_ATTR(16); |
| HFI1_SL2SC_ATTR(17); |
| HFI1_SL2SC_ATTR(18); |
| HFI1_SL2SC_ATTR(19); |
| HFI1_SL2SC_ATTR(20); |
| HFI1_SL2SC_ATTR(21); |
| HFI1_SL2SC_ATTR(22); |
| HFI1_SL2SC_ATTR(23); |
| HFI1_SL2SC_ATTR(24); |
| HFI1_SL2SC_ATTR(25); |
| HFI1_SL2SC_ATTR(26); |
| HFI1_SL2SC_ATTR(27); |
| HFI1_SL2SC_ATTR(28); |
| HFI1_SL2SC_ATTR(29); |
| HFI1_SL2SC_ATTR(30); |
| HFI1_SL2SC_ATTR(31); |
| |
| |
| static struct attribute *sl2sc_default_attributes[] = { |
| &hfi1_sl2sc_attr_0.attr, |
| &hfi1_sl2sc_attr_1.attr, |
| &hfi1_sl2sc_attr_2.attr, |
| &hfi1_sl2sc_attr_3.attr, |
| &hfi1_sl2sc_attr_4.attr, |
| &hfi1_sl2sc_attr_5.attr, |
| &hfi1_sl2sc_attr_6.attr, |
| &hfi1_sl2sc_attr_7.attr, |
| &hfi1_sl2sc_attr_8.attr, |
| &hfi1_sl2sc_attr_9.attr, |
| &hfi1_sl2sc_attr_10.attr, |
| &hfi1_sl2sc_attr_11.attr, |
| &hfi1_sl2sc_attr_12.attr, |
| &hfi1_sl2sc_attr_13.attr, |
| &hfi1_sl2sc_attr_14.attr, |
| &hfi1_sl2sc_attr_15.attr, |
| &hfi1_sl2sc_attr_16.attr, |
| &hfi1_sl2sc_attr_17.attr, |
| &hfi1_sl2sc_attr_18.attr, |
| &hfi1_sl2sc_attr_19.attr, |
| &hfi1_sl2sc_attr_20.attr, |
| &hfi1_sl2sc_attr_21.attr, |
| &hfi1_sl2sc_attr_22.attr, |
| &hfi1_sl2sc_attr_23.attr, |
| &hfi1_sl2sc_attr_24.attr, |
| &hfi1_sl2sc_attr_25.attr, |
| &hfi1_sl2sc_attr_26.attr, |
| &hfi1_sl2sc_attr_27.attr, |
| &hfi1_sl2sc_attr_28.attr, |
| &hfi1_sl2sc_attr_29.attr, |
| &hfi1_sl2sc_attr_30.attr, |
| &hfi1_sl2sc_attr_31.attr, |
| NULL |
| }; |
| |
| static ssize_t sl2sc_attr_show(struct kobject *kobj, struct attribute *attr, |
| char *buf) |
| { |
| struct hfi1_sl2sc_attr *sattr = |
| container_of(attr, struct hfi1_sl2sc_attr, attr); |
| struct hfi1_pportdata *ppd = |
| container_of(kobj, struct hfi1_pportdata, sl2sc_kobj); |
| struct hfi1_ibport *ibp = &ppd->ibport_data; |
| |
| return sprintf(buf, "%u\n", ibp->sl_to_sc[sattr->sl]); |
| } |
| |
| static const struct sysfs_ops hfi1_sl2sc_ops = { |
| .show = sl2sc_attr_show, |
| }; |
| |
| static struct kobj_type hfi1_sl2sc_ktype = { |
| .release = port_release, |
| .sysfs_ops = &hfi1_sl2sc_ops, |
| .default_attrs = sl2sc_default_attributes |
| }; |
| |
| /* End sl2sc */ |
| |
| /* Start vl2mtu */ |
| |
| #define HFI1_VL2MTU_ATTR(N) \ |
| static struct hfi1_vl2mtu_attr hfi1_vl2mtu_attr_##N = { \ |
| .attr = { .name = __stringify(N), .mode = 0444 }, \ |
| .vl = N \ |
| } |
| |
| struct hfi1_vl2mtu_attr { |
| struct attribute attr; |
| int vl; |
| }; |
| |
| HFI1_VL2MTU_ATTR(0); |
| HFI1_VL2MTU_ATTR(1); |
| HFI1_VL2MTU_ATTR(2); |
| HFI1_VL2MTU_ATTR(3); |
| HFI1_VL2MTU_ATTR(4); |
| HFI1_VL2MTU_ATTR(5); |
| HFI1_VL2MTU_ATTR(6); |
| HFI1_VL2MTU_ATTR(7); |
| HFI1_VL2MTU_ATTR(8); |
| HFI1_VL2MTU_ATTR(9); |
| HFI1_VL2MTU_ATTR(10); |
| HFI1_VL2MTU_ATTR(11); |
| HFI1_VL2MTU_ATTR(12); |
| HFI1_VL2MTU_ATTR(13); |
| HFI1_VL2MTU_ATTR(14); |
| HFI1_VL2MTU_ATTR(15); |
| |
| static struct attribute *vl2mtu_default_attributes[] = { |
| &hfi1_vl2mtu_attr_0.attr, |
| &hfi1_vl2mtu_attr_1.attr, |
| &hfi1_vl2mtu_attr_2.attr, |
| &hfi1_vl2mtu_attr_3.attr, |
| &hfi1_vl2mtu_attr_4.attr, |
| &hfi1_vl2mtu_attr_5.attr, |
| &hfi1_vl2mtu_attr_6.attr, |
| &hfi1_vl2mtu_attr_7.attr, |
| &hfi1_vl2mtu_attr_8.attr, |
| &hfi1_vl2mtu_attr_9.attr, |
| &hfi1_vl2mtu_attr_10.attr, |
| &hfi1_vl2mtu_attr_11.attr, |
| &hfi1_vl2mtu_attr_12.attr, |
| &hfi1_vl2mtu_attr_13.attr, |
| &hfi1_vl2mtu_attr_14.attr, |
| &hfi1_vl2mtu_attr_15.attr, |
| NULL |
| }; |
| |
| static ssize_t vl2mtu_attr_show(struct kobject *kobj, struct attribute *attr, |
| char *buf) |
| { |
| struct hfi1_vl2mtu_attr *vlattr = |
| container_of(attr, struct hfi1_vl2mtu_attr, attr); |
| struct hfi1_pportdata *ppd = |
| container_of(kobj, struct hfi1_pportdata, vl2mtu_kobj); |
| struct hfi1_devdata *dd = ppd->dd; |
| |
| return sprintf(buf, "%u\n", dd->vld[vlattr->vl].mtu); |
| } |
| |
| static const struct sysfs_ops hfi1_vl2mtu_ops = { |
| .show = vl2mtu_attr_show, |
| }; |
| |
| static struct kobj_type hfi1_vl2mtu_ktype = { |
| .release = port_release, |
| .sysfs_ops = &hfi1_vl2mtu_ops, |
| .default_attrs = vl2mtu_default_attributes |
| }; |
| |
| |
| /* end of per-port file structures and support code */ |
| |
| /* |
| * Start of per-unit (or driver, in some cases, but replicated |
| * per unit) functions (these get a device *) |
| */ |
| static ssize_t show_rev(struct device *device, struct device_attribute *attr, |
| char *buf) |
| { |
| struct hfi1_ibdev *dev = |
| container_of(device, struct hfi1_ibdev, ibdev.dev); |
| |
| return sprintf(buf, "%x\n", dd_from_dev(dev)->minrev); |
| } |
| |
| static ssize_t show_hfi(struct device *device, struct device_attribute *attr, |
| char *buf) |
| { |
| struct hfi1_ibdev *dev = |
| container_of(device, struct hfi1_ibdev, ibdev.dev); |
| struct hfi1_devdata *dd = dd_from_dev(dev); |
| int ret; |
| |
| if (!dd->boardname) |
| ret = -EINVAL; |
| else |
| ret = scnprintf(buf, PAGE_SIZE, "%s\n", dd->boardname); |
| return ret; |
| } |
| |
| static ssize_t show_boardversion(struct device *device, |
| struct device_attribute *attr, char *buf) |
| { |
| struct hfi1_ibdev *dev = |
| container_of(device, struct hfi1_ibdev, ibdev.dev); |
| struct hfi1_devdata *dd = dd_from_dev(dev); |
| |
| /* The string printed here is already newline-terminated. */ |
| return scnprintf(buf, PAGE_SIZE, "%s", dd->boardversion); |
| } |
| |
| |
| static ssize_t show_nctxts(struct device *device, |
| struct device_attribute *attr, char *buf) |
| { |
| struct hfi1_ibdev *dev = |
| container_of(device, struct hfi1_ibdev, ibdev.dev); |
| struct hfi1_devdata *dd = dd_from_dev(dev); |
| |
| /* |
| * Return the smaller of send and receive contexts. |
| * Normally, user level applications would require both a send |
| * and a receive context, so returning the smaller of the two counts |
| * give a more accurate picture of total contexts available. |
| */ |
| return scnprintf(buf, PAGE_SIZE, "%u\n", |
| min(dd->num_rcv_contexts - dd->first_user_ctxt, |
| (u32)dd->sc_sizes[SC_USER].count)); |
| } |
| |
| static ssize_t show_nfreectxts(struct device *device, |
| struct device_attribute *attr, char *buf) |
| { |
| struct hfi1_ibdev *dev = |
| container_of(device, struct hfi1_ibdev, ibdev.dev); |
| struct hfi1_devdata *dd = dd_from_dev(dev); |
| |
| /* Return the number of free user ports (contexts) available. */ |
| return scnprintf(buf, PAGE_SIZE, "%u\n", dd->freectxts); |
| } |
| |
| static ssize_t show_serial(struct device *device, |
| struct device_attribute *attr, char *buf) |
| { |
| struct hfi1_ibdev *dev = |
| container_of(device, struct hfi1_ibdev, ibdev.dev); |
| struct hfi1_devdata *dd = dd_from_dev(dev); |
| |
| return scnprintf(buf, PAGE_SIZE, "%s", dd->serial); |
| |
| } |
| |
| static ssize_t store_chip_reset(struct device *device, |
| struct device_attribute *attr, const char *buf, |
| size_t count) |
| { |
| struct hfi1_ibdev *dev = |
| container_of(device, struct hfi1_ibdev, ibdev.dev); |
| struct hfi1_devdata *dd = dd_from_dev(dev); |
| int ret; |
| |
| if (count < 5 || memcmp(buf, "reset", 5) || !dd->diag_client) { |
| ret = -EINVAL; |
| goto bail; |
| } |
| |
| ret = hfi1_reset_device(dd->unit); |
| bail: |
| return ret < 0 ? ret : count; |
| } |
| |
| /* |
| * Convert the reported temperature from an integer (reported in |
| * units of 0.25C) to a floating point number. |
| */ |
| #define temp2str(temp, buf, size, idx) \ |
| scnprintf((buf) + (idx), (size) - (idx), "%u.%02u ", \ |
| ((temp) >> 2), ((temp) & 0x3) * 25) |
| |
| /* |
| * Dump tempsense values, in decimal, to ease shell-scripts. |
| */ |
| static ssize_t show_tempsense(struct device *device, |
| struct device_attribute *attr, char *buf) |
| { |
| struct hfi1_ibdev *dev = |
| container_of(device, struct hfi1_ibdev, ibdev.dev); |
| struct hfi1_devdata *dd = dd_from_dev(dev); |
| struct hfi1_temp temp; |
| int ret; |
| |
| ret = hfi1_tempsense_rd(dd, &temp); |
| if (!ret) { |
| int idx = 0; |
| |
| idx += temp2str(temp.curr, buf, PAGE_SIZE, idx); |
| idx += temp2str(temp.lo_lim, buf, PAGE_SIZE, idx); |
| idx += temp2str(temp.hi_lim, buf, PAGE_SIZE, idx); |
| idx += temp2str(temp.crit_lim, buf, PAGE_SIZE, idx); |
| idx += scnprintf(buf + idx, PAGE_SIZE - idx, |
| "%u %u %u\n", temp.triggers & 0x1, |
| temp.triggers & 0x2, temp.triggers & 0x4); |
| ret = idx; |
| } |
| return ret; |
| } |
| |
| /* |
| * end of per-unit (or driver, in some cases, but replicated |
| * per unit) functions |
| */ |
| |
| /* start of per-unit file structures and support code */ |
| static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); |
| static DEVICE_ATTR(board_id, S_IRUGO, show_hfi, NULL); |
| static DEVICE_ATTR(nctxts, S_IRUGO, show_nctxts, NULL); |
| static DEVICE_ATTR(nfreectxts, S_IRUGO, show_nfreectxts, NULL); |
| static DEVICE_ATTR(serial, S_IRUGO, show_serial, NULL); |
| static DEVICE_ATTR(boardversion, S_IRUGO, show_boardversion, NULL); |
| static DEVICE_ATTR(tempsense, S_IRUGO, show_tempsense, NULL); |
| static DEVICE_ATTR(chip_reset, S_IWUSR, NULL, store_chip_reset); |
| |
| static struct device_attribute *hfi1_attributes[] = { |
| &dev_attr_hw_rev, |
| &dev_attr_board_id, |
| &dev_attr_nctxts, |
| &dev_attr_nfreectxts, |
| &dev_attr_serial, |
| &dev_attr_boardversion, |
| &dev_attr_tempsense, |
| &dev_attr_chip_reset, |
| }; |
| |
| int hfi1_create_port_files(struct ib_device *ibdev, u8 port_num, |
| struct kobject *kobj) |
| { |
| struct hfi1_pportdata *ppd; |
| struct hfi1_devdata *dd = dd_from_ibdev(ibdev); |
| int ret; |
| |
| if (!port_num || port_num > dd->num_pports) { |
| dd_dev_err(dd, |
| "Skipping infiniband class with invalid port %u\n", |
| port_num); |
| return -ENODEV; |
| } |
| ppd = &dd->pport[port_num - 1]; |
| |
| ret = kobject_init_and_add(&ppd->sc2vl_kobj, &hfi1_sc2vl_ktype, kobj, |
| "sc2vl"); |
| if (ret) { |
| dd_dev_err(dd, |
| "Skipping sc2vl sysfs info, (err %d) port %u\n", |
| ret, port_num); |
| goto bail; |
| } |
| kobject_uevent(&ppd->sc2vl_kobj, KOBJ_ADD); |
| |
| ret = kobject_init_and_add(&ppd->sl2sc_kobj, &hfi1_sl2sc_ktype, kobj, |
| "sl2sc"); |
| if (ret) { |
| dd_dev_err(dd, |
| "Skipping sl2sc sysfs info, (err %d) port %u\n", |
| ret, port_num); |
| goto bail_sc2vl; |
| } |
| kobject_uevent(&ppd->sl2sc_kobj, KOBJ_ADD); |
| |
| ret = kobject_init_and_add(&ppd->vl2mtu_kobj, &hfi1_vl2mtu_ktype, kobj, |
| "vl2mtu"); |
| if (ret) { |
| dd_dev_err(dd, |
| "Skipping vl2mtu sysfs info, (err %d) port %u\n", |
| ret, port_num); |
| goto bail_sl2sc; |
| } |
| kobject_uevent(&ppd->vl2mtu_kobj, KOBJ_ADD); |
| |
| |
| ret = kobject_init_and_add(&ppd->pport_cc_kobj, &port_cc_ktype, |
| kobj, "CCMgtA"); |
| if (ret) { |
| dd_dev_err(dd, |
| "Skipping Congestion Control sysfs info, (err %d) port %u\n", |
| ret, port_num); |
| goto bail_vl2mtu; |
| } |
| |
| kobject_uevent(&ppd->pport_cc_kobj, KOBJ_ADD); |
| |
| ret = sysfs_create_bin_file(&ppd->pport_cc_kobj, |
| &cc_setting_bin_attr); |
| if (ret) { |
| dd_dev_err(dd, |
| "Skipping Congestion Control setting sysfs info, (err %d) port %u\n", |
| ret, port_num); |
| goto bail_cc; |
| } |
| |
| ret = sysfs_create_bin_file(&ppd->pport_cc_kobj, |
| &cc_table_bin_attr); |
| if (ret) { |
| dd_dev_err(dd, |
| "Skipping Congestion Control table sysfs info, (err %d) port %u\n", |
| ret, port_num); |
| goto bail_cc_entry_bin; |
| } |
| |
| dd_dev_info(dd, |
| "IB%u: Congestion Control Agent enabled for port %d\n", |
| dd->unit, port_num); |
| |
| return 0; |
| |
| bail_cc_entry_bin: |
| sysfs_remove_bin_file(&ppd->pport_cc_kobj, |
| &cc_setting_bin_attr); |
| bail_cc: |
| kobject_put(&ppd->pport_cc_kobj); |
| bail_vl2mtu: |
| kobject_put(&ppd->vl2mtu_kobj); |
| bail_sl2sc: |
| kobject_put(&ppd->sl2sc_kobj); |
| bail_sc2vl: |
| kobject_put(&ppd->sc2vl_kobj); |
| bail: |
| return ret; |
| } |
| |
| /* |
| * Register and create our files in /sys/class/infiniband. |
| */ |
| int hfi1_verbs_register_sysfs(struct hfi1_devdata *dd) |
| { |
| struct ib_device *dev = &dd->verbs_dev.ibdev; |
| int i, ret; |
| |
| for (i = 0; i < ARRAY_SIZE(hfi1_attributes); ++i) { |
| ret = device_create_file(&dev->dev, hfi1_attributes[i]); |
| if (ret) |
| goto bail; |
| } |
| |
| return 0; |
| bail: |
| for (i = 0; i < ARRAY_SIZE(hfi1_attributes); ++i) |
| device_remove_file(&dev->dev, hfi1_attributes[i]); |
| return ret; |
| } |
| |
| /* |
| * Unregister and remove our files in /sys/class/infiniband. |
| */ |
| void hfi1_verbs_unregister_sysfs(struct hfi1_devdata *dd) |
| { |
| struct hfi1_pportdata *ppd; |
| int i; |
| |
| for (i = 0; i < dd->num_pports; i++) { |
| ppd = &dd->pport[i]; |
| |
| sysfs_remove_bin_file(&ppd->pport_cc_kobj, |
| &cc_setting_bin_attr); |
| sysfs_remove_bin_file(&ppd->pport_cc_kobj, |
| &cc_table_bin_attr); |
| kobject_put(&ppd->pport_cc_kobj); |
| kobject_put(&ppd->vl2mtu_kobj); |
| kobject_put(&ppd->sl2sc_kobj); |
| kobject_put(&ppd->sc2vl_kobj); |
| } |
| } |