| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Mike Marciniszyn | 2849 | 73.94% | 1 | 6.25% |
| Tadeusz Struk | 507 | 13.16% | 2 | 12.50% |
| Vennila Megavannan | 327 | 8.49% | 1 | 6.25% |
| Parav Pandit | 92 | 2.39% | 2 | 12.50% |
| Kaike Wan | 39 | 1.01% | 2 | 12.50% |
| Dennis Dalessandro | 18 | 0.47% | 1 | 6.25% |
| Dean Luick | 12 | 0.31% | 1 | 6.25% |
| Jubin John | 2 | 0.05% | 1 | 6.25% |
| Bhumika Goyal | 2 | 0.05% | 1 | 6.25% |
| Steven L. Roberts | 2 | 0.05% | 1 | 6.25% |
| Niranjana Vishwanathapura | 1 | 0.03% | 1 | 6.25% |
| Michael J. Ruhl | 1 | 0.03% | 1 | 6.25% |
| Jakub Pawlak | 1 | 0.03% | 1 | 6.25% |
| Total | 3853 | 16 |
/* * Copyright(c) 2015-2017 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 const 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 const 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, NULL }; 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 hw_rev_show(struct device *device, struct device_attribute *attr, char *buf) { struct hfi1_ibdev *dev = rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev); return sprintf(buf, "%x\n", dd_from_dev(dev)->minrev); } static DEVICE_ATTR_RO(hw_rev); static ssize_t board_id_show(struct device *device, struct device_attribute *attr, char *buf) { struct hfi1_ibdev *dev = rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev); 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 DEVICE_ATTR_RO(board_id); static ssize_t boardversion_show(struct device *device, struct device_attribute *attr, char *buf) { struct hfi1_ibdev *dev = rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev); 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 DEVICE_ATTR_RO(boardversion); static ssize_t nctxts_show(struct device *device, struct device_attribute *attr, char *buf) { struct hfi1_ibdev *dev = rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev); 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_user_contexts, (u32)dd->sc_sizes[SC_USER].count)); } static DEVICE_ATTR_RO(nctxts); static ssize_t nfreectxts_show(struct device *device, struct device_attribute *attr, char *buf) { struct hfi1_ibdev *dev = rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev); 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 DEVICE_ATTR_RO(nfreectxts); static ssize_t serial_show(struct device *device, struct device_attribute *attr, char *buf) { struct hfi1_ibdev *dev = rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev); struct hfi1_devdata *dd = dd_from_dev(dev); return scnprintf(buf, PAGE_SIZE, "%s", dd->serial); } static DEVICE_ATTR_RO(serial); static ssize_t chip_reset_store(struct device *device, struct device_attribute *attr, const char *buf, size_t count) { struct hfi1_ibdev *dev = rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev); 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; } static DEVICE_ATTR_WO(chip_reset); /* * 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 tempsense_show(struct device *device, struct device_attribute *attr, char *buf) { struct hfi1_ibdev *dev = rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev); 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; } static DEVICE_ATTR_RO(tempsense); /* * end of per-unit (or driver, in some cases, but replicated * per unit) functions */ /* start of per-unit file structures and support code */ static struct attribute *hfi1_attributes[] = { &dev_attr_hw_rev.attr, &dev_attr_board_id.attr, &dev_attr_nctxts.attr, &dev_attr_nfreectxts.attr, &dev_attr_serial.attr, &dev_attr_boardversion.attr, &dev_attr_tempsense.attr, &dev_attr_chip_reset.attr, NULL, }; const struct attribute_group ib_hfi1_attr_group = { .attrs = hfi1_attributes, }; 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); /* * Based on the documentation for kobject_init_and_add(), the * caller should call kobject_put even if this call fails. */ goto bail_sc2vl; } 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_sl2sc; } 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_vl2mtu; } 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_cc; } 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); return ret; } struct sde_attribute { struct attribute attr; ssize_t (*show)(struct sdma_engine *sde, char *buf); ssize_t (*store)(struct sdma_engine *sde, const char *buf, size_t cnt); }; static ssize_t sde_show(struct kobject *kobj, struct attribute *attr, char *buf) { struct sde_attribute *sde_attr = container_of(attr, struct sde_attribute, attr); struct sdma_engine *sde = container_of(kobj, struct sdma_engine, kobj); if (!sde_attr->show) return -EINVAL; return sde_attr->show(sde, buf); } static ssize_t sde_store(struct kobject *kobj, struct attribute *attr, const char *buf, size_t count) { struct sde_attribute *sde_attr = container_of(attr, struct sde_attribute, attr); struct sdma_engine *sde = container_of(kobj, struct sdma_engine, kobj); if (!capable(CAP_SYS_ADMIN)) return -EPERM; if (!sde_attr->store) return -EINVAL; return sde_attr->store(sde, buf, count); } static const struct sysfs_ops sde_sysfs_ops = { .show = sde_show, .store = sde_store, }; static struct kobj_type sde_ktype = { .sysfs_ops = &sde_sysfs_ops, }; #define SDE_ATTR(_name, _mode, _show, _store) \ struct sde_attribute sde_attr_##_name = \ __ATTR(_name, _mode, _show, _store) static ssize_t sde_show_cpu_to_sde_map(struct sdma_engine *sde, char *buf) { return sdma_get_cpu_to_sde_map(sde, buf); } static ssize_t sde_store_cpu_to_sde_map(struct sdma_engine *sde, const char *buf, size_t count) { return sdma_set_cpu_to_sde_map(sde, buf, count); } static ssize_t sde_show_vl(struct sdma_engine *sde, char *buf) { int vl; vl = sdma_engine_get_vl(sde); if (vl < 0) return vl; return snprintf(buf, PAGE_SIZE, "%d\n", vl); } static SDE_ATTR(cpu_list, S_IWUSR | S_IRUGO, sde_show_cpu_to_sde_map, sde_store_cpu_to_sde_map); static SDE_ATTR(vl, S_IRUGO, sde_show_vl, NULL); static struct sde_attribute *sde_attribs[] = { &sde_attr_cpu_list, &sde_attr_vl }; /* * 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; struct device *class_dev = &dev->dev; int i, j, ret; for (i = 0; i < dd->num_sdma; i++) { ret = kobject_init_and_add(&dd->per_sdma[i].kobj, &sde_ktype, &class_dev->kobj, "sdma%d", i); if (ret) goto bail; for (j = 0; j < ARRAY_SIZE(sde_attribs); j++) { ret = sysfs_create_file(&dd->per_sdma[i].kobj, &sde_attribs[j]->attr); if (ret) goto bail; } } return 0; bail: /* * The function kobject_put() will call kobject_del() if the kobject * has been added successfully. The sysfs files created under the * kobject directory will also be removed during the process. */ for (; i >= 0; i--) kobject_put(&dd->per_sdma[i].kobj); 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; /* Unwind operations in hfi1_verbs_register_sysfs() */ for (i = 0; i < dd->num_sdma; i++) kobject_put(&dd->per_sdma[i].kobj); 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); } }
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