diff options
Diffstat (limited to 'drivers/staging/rdma/hfi1/sysfs.c')
| -rw-r--r-- | drivers/staging/rdma/hfi1/sysfs.c | 785 |
1 files changed, 0 insertions, 785 deletions
diff --git a/drivers/staging/rdma/hfi1/sysfs.c b/drivers/staging/rdma/hfi1/sysfs.c deleted file mode 100644 index 91fc2aed6aed..000000000000 --- a/drivers/staging/rdma/hfi1/sysfs.c +++ /dev/null @@ -1,785 +0,0 @@ -/* - * Copyright(c) 2015, 2016 Intel Corporation. - * - * 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 - * - * 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 - * - * 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) { - rcu_read_unlock(); - return -EINVAL; - } - memcpy(buf, (void *)&cc_state->cct + pos, 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 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) { - rcu_read_unlock(); - return -EINVAL; - } - memcpy(buf, (void *)&cc_state->cong_setting + pos, 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, -}; - -struct hfi1_port_attr { - struct attribute attr; - ssize_t (*show)(struct hfi1_pportdata *, char *); - ssize_t (*store)(struct hfi1_pportdata *, const char *, size_t); -}; - -static ssize_t cc_prescan_show(struct hfi1_pportdata *ppd, char *buf) -{ - return sprintf(buf, "%s\n", ppd->cc_prescan ? "on" : "off"); -} - -static ssize_t cc_prescan_store(struct hfi1_pportdata *ppd, const char *buf, - size_t count) -{ - if (!memcmp(buf, "on", 2)) - ppd->cc_prescan = true; - else if (!memcmp(buf, "off", 3)) - ppd->cc_prescan = false; - - return count; -} - -static struct hfi1_port_attr cc_prescan_attr = - __ATTR(cc_prescan, 0600, cc_prescan_show, cc_prescan_store); - -static ssize_t cc_attr_show(struct kobject *kobj, struct attribute *attr, - char *buf) -{ - struct hfi1_port_attr *port_attr = - container_of(attr, struct hfi1_port_attr, attr); - struct hfi1_pportdata *ppd = - container_of(kobj, struct hfi1_pportdata, pport_cc_kobj); - - return port_attr->show(ppd, buf); -} - -static ssize_t cc_attr_store(struct kobject *kobj, struct attribute *attr, - const char *buf, size_t count) -{ - struct hfi1_port_attr *port_attr = - container_of(attr, struct hfi1_port_attr, attr); - struct hfi1_pportdata *ppd = - container_of(kobj, struct hfi1_pportdata, pport_cc_kobj); - - return port_attr->store(ppd, buf, count); -} - -static const struct sysfs_ops port_cc_sysfs_ops = { - .show = cc_attr_show, - .store = cc_attr_store -}; - -static struct attribute *port_cc_default_attributes[] = { - &cc_prescan_attr.attr -}; - -static struct kobj_type port_cc_ktype = { - .release = port_release, - .sysfs_ops = &port_cc_sysfs_ops, - .default_attrs = port_cc_default_attributes -}; - -/* 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, rdi.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, rdi.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, rdi.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, rdi.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, rdi.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, rdi.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, rdi.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, rdi.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, - "Congestion Control Agent enabled for port %d\n", - 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.rdi.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); - } -} |