/* * Copyright (c) 2012 Intel Corporation. All rights reserved. * Copyright (c) 2006 - 2012 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 #include "qib.h" #include "qib_mad.h" /* start of per-port functions */ /* * Get/Set heartbeat enable. OR of 1=enabled, 2=auto */ static ssize_t show_hrtbt_enb(struct qib_pportdata *ppd, char *buf) { struct qib_devdata *dd = ppd->dd; return sysfs_emit(buf, "%d\n", dd->f_get_ib_cfg(ppd, QIB_IB_CFG_HRTBT)); } static ssize_t store_hrtbt_enb(struct qib_pportdata *ppd, const char *buf, size_t count) { struct qib_devdata *dd = ppd->dd; int ret; u16 val; ret = kstrtou16(buf, 0, &val); if (ret) { qib_dev_err(dd, "attempt to set invalid Heartbeat enable\n"); return ret; } /* * 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. */ ret = dd->f_set_ib_cfg(ppd, QIB_IB_CFG_HRTBT, val); return ret < 0 ? ret : count; } static ssize_t store_loopback(struct qib_pportdata *ppd, const char *buf, size_t count) { struct qib_devdata *dd = ppd->dd; int ret = count, r; r = dd->f_set_ib_loopback(ppd, buf); if (r < 0) ret = r; return ret; } static ssize_t store_led_override(struct qib_pportdata *ppd, const char *buf, size_t count) { struct qib_devdata *dd = ppd->dd; int ret; u16 val; ret = kstrtou16(buf, 0, &val); if (ret) { qib_dev_err(dd, "attempt to set invalid LED override\n"); return ret; } qib_set_led_override(ppd, val); return count; } static ssize_t show_status(struct qib_pportdata *ppd, char *buf) { if (!ppd->statusp) return -EINVAL; return sysfs_emit(buf, "0x%llx\n", (unsigned long long)*(ppd->statusp)); } /* * For userland compatibility, these offsets must remain fixed. * They are strings for QIB_STATUS_* */ static const char * const qib_status_str[] = { "Initted", "", "", "", "", "Present", "IB_link_up", "IB_configured", "", "Fatal_Hardware_Error", NULL, }; static ssize_t show_status_str(struct qib_pportdata *ppd, char *buf) { int i, any; u64 s; ssize_t ret; if (!ppd->statusp) { ret = -EINVAL; goto bail; } s = *(ppd->statusp); *buf = '\0'; for (any = i = 0; s && qib_status_str[i]; i++) { if (s & 1) { /* if overflow */ if (any && strlcat(buf, " ", PAGE_SIZE) >= PAGE_SIZE) break; if (strlcat(buf, qib_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; } /* end of per-port functions */ /* * Start of per-port file structures and support code * Because we are fitting into other infrastructure, we have to supply the * full set of kobject/sysfs_ops structures and routines. */ #define QIB_PORT_ATTR(name, mode, show, store) \ static struct qib_port_attr qib_port_attr_##name = \ __ATTR(name, mode, show, store) struct qib_port_attr { struct attribute attr; ssize_t (*show)(struct qib_pportdata *, char *); ssize_t (*store)(struct qib_pportdata *, const char *, size_t); }; QIB_PORT_ATTR(loopback, S_IWUSR, NULL, store_loopback); QIB_PORT_ATTR(led_override, S_IWUSR, NULL, store_led_override); QIB_PORT_ATTR(hrtbt_enable, S_IWUSR | S_IRUGO, show_hrtbt_enb, store_hrtbt_enb); QIB_PORT_ATTR(status, S_IRUGO, show_status, NULL); QIB_PORT_ATTR(status_str, S_IRUGO, show_status_str, NULL); static struct attribute *port_default_attributes[] = { &qib_port_attr_loopback.attr, &qib_port_attr_led_override.attr, &qib_port_attr_hrtbt_enable.attr, &qib_port_attr_status.attr, &qib_port_attr_status_str.attr, NULL }; /* * 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 qib_pportdata *ppd = container_of(kobj, struct qib_pportdata, pport_cc_kobj); if (!qib_cc_table_size || !ppd->ccti_entries_shadow) return -EINVAL; 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; spin_lock(&ppd->cc_shadow_lock); memcpy(buf, ppd->ccti_entries_shadow, count); spin_unlock(&ppd->cc_shadow_lock); return count; } static void qib_port_release(struct kobject *kobj) { /* nothing to do since memory is freed by qib_free_devdata() */ } static struct kobj_type qib_port_cc_ktype = { .release = qib_port_release, }; 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 qib_pportdata *ppd = container_of(kobj, struct qib_pportdata, pport_cc_kobj); if (!qib_cc_table_size || !ppd->congestion_entries_shadow) return -EINVAL; ret = sizeof(struct ib_cc_congestion_setting_attr_shadow); if (pos > ret) return -EINVAL; if (count > ret - pos) count = ret - pos; if (!count) return count; spin_lock(&ppd->cc_shadow_lock); memcpy(buf, ppd->congestion_entries_shadow, count); spin_unlock(&ppd->cc_shadow_lock); 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, }; static ssize_t qib_portattr_show(struct kobject *kobj, struct attribute *attr, char *buf) { struct qib_port_attr *pattr = container_of(attr, struct qib_port_attr, attr); struct qib_pportdata *ppd = container_of(kobj, struct qib_pportdata, pport_kobj); if (!pattr->show) return -EIO; return pattr->show(ppd, buf); } static ssize_t qib_portattr_store(struct kobject *kobj, struct attribute *attr, const char *buf, size_t len) { struct qib_port_attr *pattr = container_of(attr, struct qib_port_attr, attr); struct qib_pportdata *ppd = container_of(kobj, struct qib_pportdata, pport_kobj); if (!pattr->store) return -EIO; return pattr->store(ppd, buf, len); } static const struct sysfs_ops qib_port_ops = { .show = qib_portattr_show, .store = qib_portattr_store, }; static struct kobj_type qib_port_ktype = { .release = qib_port_release, .sysfs_ops = &qib_port_ops, .default_attrs = port_default_attributes }; /* Start sl2vl */ #define QIB_SL2VL_ATTR(N) \ static struct qib_sl2vl_attr qib_sl2vl_attr_##N = { \ .attr = { .name = __stringify(N), .mode = 0444 }, \ .sl = N \ } struct qib_sl2vl_attr { struct attribute attr; int sl; }; QIB_SL2VL_ATTR(0); QIB_SL2VL_ATTR(1); QIB_SL2VL_ATTR(2); QIB_SL2VL_ATTR(3); QIB_SL2VL_ATTR(4); QIB_SL2VL_ATTR(5); QIB_SL2VL_ATTR(6); QIB_SL2VL_ATTR(7); QIB_SL2VL_ATTR(8); QIB_SL2VL_ATTR(9); QIB_SL2VL_ATTR(10); QIB_SL2VL_ATTR(11); QIB_SL2VL_ATTR(12); QIB_SL2VL_ATTR(13); QIB_SL2VL_ATTR(14); QIB_SL2VL_ATTR(15); static struct attribute *sl2vl_default_attributes[] = { &qib_sl2vl_attr_0.attr, &qib_sl2vl_attr_1.attr, &qib_sl2vl_attr_2.attr, &qib_sl2vl_attr_3.attr, &qib_sl2vl_attr_4.attr, &qib_sl2vl_attr_5.attr, &qib_sl2vl_attr_6.attr, &qib_sl2vl_attr_7.attr, &qib_sl2vl_attr_8.attr, &qib_sl2vl_attr_9.attr, &qib_sl2vl_attr_10.attr, &qib_sl2vl_attr_11.attr, &qib_sl2vl_attr_12.attr, &qib_sl2vl_attr_13.attr, &qib_sl2vl_attr_14.attr, &qib_sl2vl_attr_15.attr, NULL }; static ssize_t sl2vl_attr_show(struct kobject *kobj, struct attribute *attr, char *buf) { struct qib_sl2vl_attr *sattr = container_of(attr, struct qib_sl2vl_attr, attr); struct qib_pportdata *ppd = container_of(kobj, struct qib_pportdata, sl2vl_kobj); struct qib_ibport *qibp = &ppd->ibport_data; return sysfs_emit(buf, "%u\n", qibp->sl_to_vl[sattr->sl]); } static const struct sysfs_ops qib_sl2vl_ops = { .show = sl2vl_attr_show, }; static struct kobj_type qib_sl2vl_ktype = { .release = qib_port_release, .sysfs_ops = &qib_sl2vl_ops, .default_attrs = sl2vl_default_attributes }; /* End sl2vl */ /* Start diag_counters */ #define QIB_DIAGC_ATTR(N) \ static struct qib_diagc_attr qib_diagc_attr_##N = { \ .attr = { .name = __stringify(N), .mode = 0664 }, \ .counter = offsetof(struct qib_ibport, rvp.n_##N) \ } #define QIB_DIAGC_ATTR_PER_CPU(N) \ static struct qib_diagc_attr qib_diagc_attr_##N = { \ .attr = { .name = __stringify(N), .mode = 0664 }, \ .counter = offsetof(struct qib_ibport, rvp.z_##N) \ } struct qib_diagc_attr { struct attribute attr; size_t counter; }; QIB_DIAGC_ATTR_PER_CPU(rc_acks); QIB_DIAGC_ATTR_PER_CPU(rc_qacks); QIB_DIAGC_ATTR_PER_CPU(rc_delayed_comp); QIB_DIAGC_ATTR(rc_resends); QIB_DIAGC_ATTR(seq_naks); QIB_DIAGC_ATTR(rdma_seq); QIB_DIAGC_ATTR(rnr_naks); QIB_DIAGC_ATTR(other_naks); QIB_DIAGC_ATTR(rc_timeouts); QIB_DIAGC_ATTR(loop_pkts); QIB_DIAGC_ATTR(pkt_drops); QIB_DIAGC_ATTR(dmawait); QIB_DIAGC_ATTR(unaligned); QIB_DIAGC_ATTR(rc_dupreq); QIB_DIAGC_ATTR(rc_seqnak); QIB_DIAGC_ATTR(rc_crwaits); static struct attribute *diagc_default_attributes[] = { &qib_diagc_attr_rc_resends.attr, &qib_diagc_attr_rc_acks.attr, &qib_diagc_attr_rc_qacks.attr, &qib_diagc_attr_rc_delayed_comp.attr, &qib_diagc_attr_seq_naks.attr, &qib_diagc_attr_rdma_seq.attr, &qib_diagc_attr_rnr_naks.attr, &qib_diagc_attr_other_naks.attr, &qib_diagc_attr_rc_timeouts.attr, &qib_diagc_attr_loop_pkts.attr, &qib_diagc_attr_pkt_drops.attr, &qib_diagc_attr_dmawait.attr, &qib_diagc_attr_unaligned.attr, &qib_diagc_attr_rc_dupreq.attr, &qib_diagc_attr_rc_seqnak.attr, &qib_diagc_attr_rc_crwaits.attr, NULL }; static u64 get_all_cpu_total(u64 __percpu *cntr) { int cpu; u64 counter = 0; for_each_possible_cpu(cpu) counter += *per_cpu_ptr(cntr, cpu); return counter; } #define def_write_per_cpu(cntr) \ static void write_per_cpu_##cntr(struct qib_pportdata *ppd, u32 data) \ { \ struct qib_devdata *dd = ppd->dd; \ struct qib_ibport *qibp = &ppd->ibport_data; \ /* A write can only zero the counter */ \ if (data == 0) \ qibp->rvp.z_##cntr = get_all_cpu_total(qibp->rvp.cntr); \ else \ qib_dev_err(dd, "Per CPU cntrs can only be zeroed"); \ } def_write_per_cpu(rc_acks) def_write_per_cpu(rc_qacks) def_write_per_cpu(rc_delayed_comp) #define READ_PER_CPU_CNTR(cntr) (get_all_cpu_total(qibp->rvp.cntr) - \ qibp->rvp.z_##cntr) static ssize_t diagc_attr_show(struct kobject *kobj, struct attribute *attr, char *buf) { struct qib_diagc_attr *dattr = container_of(attr, struct qib_diagc_attr, attr); struct qib_pportdata *ppd = container_of(kobj, struct qib_pportdata, diagc_kobj); struct qib_ibport *qibp = &ppd->ibport_data; u64 val; if (!strncmp(dattr->attr.name, "rc_acks", 7)) val = READ_PER_CPU_CNTR(rc_acks); else if (!strncmp(dattr->attr.name, "rc_qacks", 8)) val = READ_PER_CPU_CNTR(rc_qacks); else if (!strncmp(dattr->attr.name, "rc_delayed_comp", 15)) val = READ_PER_CPU_CNTR(rc_delayed_comp); else val = *(u32 *)((char *)qibp + dattr->counter); return sysfs_emit(buf, "%llu\n", val); } static ssize_t diagc_attr_store(struct kobject *kobj, struct attribute *attr, const char *buf, size_t size) { struct qib_diagc_attr *dattr = container_of(attr, struct qib_diagc_attr, attr); struct qib_pportdata *ppd = container_of(kobj, struct qib_pportdata, diagc_kobj); struct qib_ibport *qibp = &ppd->ibport_data; u32 val; int ret; ret = kstrtou32(buf, 0, &val); if (ret) return ret; if (!strncmp(dattr->attr.name, "rc_acks", 7)) write_per_cpu_rc_acks(ppd, val); else if (!strncmp(dattr->attr.name, "rc_qacks", 8)) write_per_cpu_rc_qacks(ppd, val); else if (!strncmp(dattr->attr.name, "rc_delayed_comp", 15)) write_per_cpu_rc_delayed_comp(ppd, val); else *(u32 *)((char *)qibp + dattr->counter) = val; return size; } static const struct sysfs_ops qib_diagc_ops = { .show = diagc_attr_show, .store = diagc_attr_store, }; static struct kobj_type qib_diagc_ktype = { .release = qib_port_release, .sysfs_ops = &qib_diagc_ops, .default_attrs = diagc_default_attributes }; /* End diag_counters */ /* 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 qib_ibdev *dev = rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); return sysfs_emit(buf, "%x\n", dd_from_dev(dev)->minrev); } static DEVICE_ATTR_RO(hw_rev); static ssize_t hca_type_show(struct device *device, struct device_attribute *attr, char *buf) { struct qib_ibdev *dev = rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); struct qib_devdata *dd = dd_from_dev(dev); if (!dd->boardname) return -EINVAL; return sysfs_emit(buf, "%s\n", dd->boardname); } static DEVICE_ATTR_RO(hca_type); static DEVICE_ATTR(board_id, 0444, hca_type_show, NULL); static ssize_t version_show(struct device *device, struct device_attribute *attr, char *buf) { /* The string printed here is already newline-terminated. */ return sysfs_emit(buf, "%s", (char *)ib_qib_version); } static DEVICE_ATTR_RO(version); static ssize_t boardversion_show(struct device *device, struct device_attribute *attr, char *buf) { struct qib_ibdev *dev = rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); struct qib_devdata *dd = dd_from_dev(dev); /* The string printed here is already newline-terminated. */ return sysfs_emit(buf, "%s", dd->boardversion); } static DEVICE_ATTR_RO(boardversion); static ssize_t localbus_info_show(struct device *device, struct device_attribute *attr, char *buf) { struct qib_ibdev *dev = rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); struct qib_devdata *dd = dd_from_dev(dev); /* The string printed here is already newline-terminated. */ return sysfs_emit(buf, "%s", dd->lbus_info); } static DEVICE_ATTR_RO(localbus_info); static ssize_t nctxts_show(struct device *device, struct device_attribute *attr, char *buf) { struct qib_ibdev *dev = rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); struct qib_devdata *dd = dd_from_dev(dev); /* Return the number of user ports (contexts) available. */ /* The calculation below deals with a special case where * cfgctxts is set to 1 on a single-port board. */ return sysfs_emit(buf, "%u\n", (dd->first_user_ctxt > dd->cfgctxts) ? 0 : (dd->cfgctxts - dd->first_user_ctxt)); } static DEVICE_ATTR_RO(nctxts); static ssize_t nfreectxts_show(struct device *device, struct device_attribute *attr, char *buf) { struct qib_ibdev *dev = rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); struct qib_devdata *dd = dd_from_dev(dev); /* Return the number of free user ports (contexts) available. */ return sysfs_emit(buf, "%u\n", dd->freectxts); } static DEVICE_ATTR_RO(nfreectxts); static ssize_t serial_show(struct device *device, struct device_attribute *attr, char *buf) { struct qib_ibdev *dev = rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); struct qib_devdata *dd = dd_from_dev(dev); const u8 *end = memchr(dd->serial, 0, ARRAY_SIZE(dd->serial)); int size = end ? end - dd->serial : ARRAY_SIZE(dd->serial); return sysfs_emit(buf, ".%*s\n", size, 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 qib_ibdev *dev = rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); struct qib_devdata *dd = dd_from_dev(dev); int ret; if (count < 5 || memcmp(buf, "reset", 5) || !dd->diag_client) { ret = -EINVAL; goto bail; } ret = qib_reset_device(dd->unit); bail: return ret < 0 ? ret : count; } static DEVICE_ATTR_WO(chip_reset); /* * Dump tempsense regs. in decimal, to ease shell-scripts. */ static ssize_t tempsense_show(struct device *device, struct device_attribute *attr, char *buf) { struct qib_ibdev *dev = rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); struct qib_devdata *dd = dd_from_dev(dev); int i; u8 regvals[8]; for (i = 0; i < 8; i++) { int ret; if (i == 6) continue; ret = dd->f_tempsense_rd(dd, i); if (ret < 0) return ret; /* return error on bad read */ regvals[i] = ret; } return sysfs_emit(buf, "%d %d %02X %02X %d %d\n", (signed char)regvals[0], (signed char)regvals[1], regvals[2], regvals[3], (signed char)regvals[5], (signed char)regvals[7]); } 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 *qib_attributes[] = { &dev_attr_hw_rev.attr, &dev_attr_hca_type.attr, &dev_attr_board_id.attr, &dev_attr_version.attr, &dev_attr_nctxts.attr, &dev_attr_nfreectxts.attr, &dev_attr_serial.attr, &dev_attr_boardversion.attr, &dev_attr_tempsense.attr, &dev_attr_localbus_info.attr, &dev_attr_chip_reset.attr, NULL, }; const struct attribute_group qib_attr_group = { .attrs = qib_attributes, }; int qib_create_port_files(struct ib_device *ibdev, u32 port_num, struct kobject *kobj) { struct qib_pportdata *ppd; struct qib_devdata *dd = dd_from_ibdev(ibdev); int ret; if (!port_num || port_num > dd->num_pports) { qib_dev_err(dd, "Skipping infiniband class with invalid port %u\n", port_num); ret = -ENODEV; goto bail; } ppd = &dd->pport[port_num - 1]; ret = kobject_init_and_add(&ppd->pport_kobj, &qib_port_ktype, kobj, "linkcontrol"); if (ret) { qib_dev_err(dd, "Skipping linkcontrol sysfs info, (err %d) port %u\n", ret, port_num); goto bail_link; } kobject_uevent(&ppd->pport_kobj, KOBJ_ADD); ret = kobject_init_and_add(&ppd->sl2vl_kobj, &qib_sl2vl_ktype, kobj, "sl2vl"); if (ret) { qib_dev_err(dd, "Skipping sl2vl sysfs info, (err %d) port %u\n", ret, port_num); goto bail_sl; } kobject_uevent(&ppd->sl2vl_kobj, KOBJ_ADD); ret = kobject_init_and_add(&ppd->diagc_kobj, &qib_diagc_ktype, kobj, "diag_counters"); if (ret) { qib_dev_err(dd, "Skipping diag_counters sysfs info, (err %d) port %u\n", ret, port_num); goto bail_diagc; } kobject_uevent(&ppd->diagc_kobj, KOBJ_ADD); if (!qib_cc_table_size || !ppd->congestion_entries_shadow) return 0; ret = kobject_init_and_add(&ppd->pport_cc_kobj, &qib_port_cc_ktype, kobj, "CCMgtA"); if (ret) { qib_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) { qib_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) { qib_dev_err(dd, "Skipping Congestion Control table sysfs info, (err %d) port %u\n", ret, port_num); goto bail_cc_entry_bin; } qib_devinfo(dd->pcidev, "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_diagc: kobject_put(&ppd->diagc_kobj); bail_sl: kobject_put(&ppd->sl2vl_kobj); bail_link: kobject_put(&ppd->pport_kobj); bail: return ret; } /* * Unregister and remove our files in /sys/class/infiniband. */ void qib_verbs_unregister_sysfs(struct qib_devdata *dd) { struct qib_pportdata *ppd; int i; for (i = 0; i < dd->num_pports; i++) { ppd = &dd->pport[i]; if (qib_cc_table_size && ppd->congestion_entries_shadow) { 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->diagc_kobj); kobject_put(&ppd->sl2vl_kobj); kobject_put(&ppd->pport_kobj); } }