| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jason Gunthorpe | 2461 | 32.69% | 11 | 9.65% |
| Roland Dreier | 2283 | 30.32% | 10 | 8.77% |
| Christoph Lameter | 1164 | 15.46% | 5 | 4.39% |
| Matan Barak | 398 | 5.29% | 2 | 1.75% |
| Parav Pandit | 261 | 3.47% | 13 | 11.40% |
| Joe Perches | 120 | 1.59% | 3 | 2.63% |
| Aharon Landau | 94 | 1.25% | 2 | 1.75% |
| Kamal Heib | 88 | 1.17% | 4 | 3.51% |
| Steve Wise | 68 | 0.90% | 1 | 0.88% |
| Mark Bloch | 64 | 0.85% | 3 | 2.63% |
| Eli Cohen | 62 | 0.82% | 2 | 1.75% |
| Mark Zhang | 51 | 0.68% | 5 | 4.39% |
| Leon Romanovsky | 50 | 0.66% | 2 | 1.75% |
| Ira Weiny | 48 | 0.64% | 3 | 2.63% |
| Tony Jones | 45 | 0.60% | 1 | 0.88% |
| Haggai Eran | 34 | 0.45% | 2 | 1.75% |
| Marcel Apfelbaum | 31 | 0.41% | 1 | 0.88% |
| Dmitry Torokhov | 19 | 0.25% | 2 | 1.75% |
| Ralph Campbell | 17 | 0.23% | 2 | 1.75% |
| Greg Kroah-Hartman | 17 | 0.23% | 3 | 2.63% |
| Gustavo A. R. Silva | 16 | 0.21% | 1 | 0.88% |
| Noa Osherovich | 12 | 0.16% | 1 | 0.88% |
| Or Har-Toov | 12 | 0.16% | 1 | 0.88% |
| Meir Lichtinger | 12 | 0.16% | 1 | 0.88% |
| Sean Hefty | 9 | 0.12% | 2 | 1.75% |
| Erez Shitrit | 8 | 0.11% | 1 | 0.88% |
| Hal Rosenstock | 7 | 0.09% | 1 | 0.88% |
| Wenpeng Liang | 7 | 0.09% | 2 | 1.75% |
| Or Gerlitz | 7 | 0.09% | 2 | 1.75% |
| Gal Pressman | 6 | 0.08% | 1 | 0.88% |
| Dasaratharaman Chandramouli | 6 | 0.08% | 1 | 0.88% |
| Upinder Malhi | 6 | 0.08% | 2 | 1.75% |
| Rikard Falkeborn | 5 | 0.07% | 1 | 0.88% |
| Honggang Li | 4 | 0.05% | 1 | 0.88% |
| Tom Tucker | 3 | 0.04% | 1 | 0.88% |
| Matt Domsch | 3 | 0.04% | 1 | 0.88% |
| Avihai Horon | 3 | 0.04% | 1 | 0.88% |
| Paul Gortmaker | 3 | 0.04% | 1 | 0.88% |
| Colin Ian King | 2 | 0.03% | 1 | 0.88% |
| Wei Yongjun | 2 | 0.03% | 1 | 0.88% |
| Doug Ledford | 2 | 0.03% | 1 | 0.88% |
| Li Zefan | 2 | 0.03% | 1 | 0.88% |
| wangyugui | 2 | 0.03% | 1 | 0.88% |
| Eran Ben Elisha | 2 | 0.03% | 1 | 0.88% |
| Emese Revfy | 2 | 0.03% | 1 | 0.88% |
| Sagi Grimberg | 2 | 0.03% | 1 | 0.88% |
| Linus Torvalds (pre-git) | 2 | 0.03% | 1 | 0.88% |
| Christoph Hellwig | 2 | 0.03% | 1 | 0.88% |
| Yuval Shaia | 1 | 0.01% | 1 | 0.88% |
| Daniel Jurgens | 1 | 0.01% | 1 | 0.88% |
| Qiushi Wu | 1 | 0.01% | 1 | 0.88% |
| Rusty Russell | 1 | 0.01% | 1 | 0.88% |
| Dotan Barak | 1 | 0.01% | 1 | 0.88% |
| Total | 7529 | 114 |
/* * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. * Copyright (c) 2005 Mellanox Technologies Ltd. All rights reserved. * Copyright (c) 2005 Sun Microsystems, 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 "core_priv.h" #include <linux/slab.h> #include <linux/stat.h> #include <linux/string.h> #include <linux/netdevice.h> #include <linux/ethtool.h> #include <rdma/ib_mad.h> #include <rdma/ib_pma.h> #include <rdma/ib_cache.h> #include <rdma/rdma_counter.h> #include <rdma/ib_sysfs.h> struct port_table_attribute { struct ib_port_attribute attr; char name[8]; int index; __be16 attr_id; }; struct gid_attr_group { struct ib_port *port; struct kobject kobj; struct attribute_group groups[2]; const struct attribute_group *groups_list[3]; struct port_table_attribute attrs_list[]; }; struct ib_port { struct kobject kobj; struct ib_device *ibdev; struct gid_attr_group *gid_attr_group; struct hw_stats_port_data *hw_stats_data; struct attribute_group groups[3]; const struct attribute_group *groups_list[5]; u32 port_num; struct port_table_attribute attrs_list[]; }; struct hw_stats_device_attribute { struct device_attribute attr; ssize_t (*show)(struct ib_device *ibdev, struct rdma_hw_stats *stats, unsigned int index, unsigned int port_num, char *buf); ssize_t (*store)(struct ib_device *ibdev, struct rdma_hw_stats *stats, unsigned int index, unsigned int port_num, const char *buf, size_t count); }; struct hw_stats_port_attribute { struct ib_port_attribute attr; ssize_t (*show)(struct ib_device *ibdev, struct rdma_hw_stats *stats, unsigned int index, unsigned int port_num, char *buf); ssize_t (*store)(struct ib_device *ibdev, struct rdma_hw_stats *stats, unsigned int index, unsigned int port_num, const char *buf, size_t count); }; struct hw_stats_device_data { struct attribute_group group; struct rdma_hw_stats *stats; struct hw_stats_device_attribute attrs[]; }; struct hw_stats_port_data { struct rdma_hw_stats *stats; struct hw_stats_port_attribute attrs[]; }; static ssize_t port_attr_show(struct kobject *kobj, struct attribute *attr, char *buf) { struct ib_port_attribute *port_attr = container_of(attr, struct ib_port_attribute, attr); struct ib_port *p = container_of(kobj, struct ib_port, kobj); if (!port_attr->show) return -EIO; return port_attr->show(p->ibdev, p->port_num, port_attr, buf); } static ssize_t port_attr_store(struct kobject *kobj, struct attribute *attr, const char *buf, size_t count) { struct ib_port_attribute *port_attr = container_of(attr, struct ib_port_attribute, attr); struct ib_port *p = container_of(kobj, struct ib_port, kobj); if (!port_attr->store) return -EIO; return port_attr->store(p->ibdev, p->port_num, port_attr, buf, count); } struct ib_device *ib_port_sysfs_get_ibdev_kobj(struct kobject *kobj, u32 *port_num) { struct ib_port *port = container_of(kobj, struct ib_port, kobj); *port_num = port->port_num; return port->ibdev; } EXPORT_SYMBOL(ib_port_sysfs_get_ibdev_kobj); static const struct sysfs_ops port_sysfs_ops = { .show = port_attr_show, .store = port_attr_store }; static ssize_t hw_stat_device_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hw_stats_device_attribute *stat_attr = container_of(attr, struct hw_stats_device_attribute, attr); struct ib_device *ibdev = container_of(dev, struct ib_device, dev); return stat_attr->show(ibdev, ibdev->hw_stats_data->stats, stat_attr - ibdev->hw_stats_data->attrs, 0, buf); } static ssize_t hw_stat_device_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct hw_stats_device_attribute *stat_attr = container_of(attr, struct hw_stats_device_attribute, attr); struct ib_device *ibdev = container_of(dev, struct ib_device, dev); return stat_attr->store(ibdev, ibdev->hw_stats_data->stats, stat_attr - ibdev->hw_stats_data->attrs, 0, buf, count); } static ssize_t hw_stat_port_show(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *attr, char *buf) { struct hw_stats_port_attribute *stat_attr = container_of(attr, struct hw_stats_port_attribute, attr); struct ib_port *port = ibdev->port_data[port_num].sysfs; return stat_attr->show(ibdev, port->hw_stats_data->stats, stat_attr - port->hw_stats_data->attrs, port->port_num, buf); } static ssize_t hw_stat_port_store(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *attr, const char *buf, size_t count) { struct hw_stats_port_attribute *stat_attr = container_of(attr, struct hw_stats_port_attribute, attr); struct ib_port *port = ibdev->port_data[port_num].sysfs; return stat_attr->store(ibdev, port->hw_stats_data->stats, stat_attr - port->hw_stats_data->attrs, port->port_num, buf, count); } static ssize_t gid_attr_show(struct kobject *kobj, struct attribute *attr, char *buf) { struct ib_port_attribute *port_attr = container_of(attr, struct ib_port_attribute, attr); struct ib_port *p = container_of(kobj, struct gid_attr_group, kobj)->port; if (!port_attr->show) return -EIO; return port_attr->show(p->ibdev, p->port_num, port_attr, buf); } static const struct sysfs_ops gid_attr_sysfs_ops = { .show = gid_attr_show }; static ssize_t state_show(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *unused, char *buf) { struct ib_port_attr attr; ssize_t ret; static const char *state_name[] = { [IB_PORT_NOP] = "NOP", [IB_PORT_DOWN] = "DOWN", [IB_PORT_INIT] = "INIT", [IB_PORT_ARMED] = "ARMED", [IB_PORT_ACTIVE] = "ACTIVE", [IB_PORT_ACTIVE_DEFER] = "ACTIVE_DEFER" }; ret = ib_query_port(ibdev, port_num, &attr); if (ret) return ret; return sysfs_emit(buf, "%d: %s\n", attr.state, attr.state >= 0 && attr.state < ARRAY_SIZE(state_name) ? state_name[attr.state] : "UNKNOWN"); } static ssize_t lid_show(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *unused, char *buf) { struct ib_port_attr attr; ssize_t ret; ret = ib_query_port(ibdev, port_num, &attr); if (ret) return ret; return sysfs_emit(buf, "0x%x\n", attr.lid); } static ssize_t lid_mask_count_show(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *unused, char *buf) { struct ib_port_attr attr; ssize_t ret; ret = ib_query_port(ibdev, port_num, &attr); if (ret) return ret; return sysfs_emit(buf, "%u\n", attr.lmc); } static ssize_t sm_lid_show(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *unused, char *buf) { struct ib_port_attr attr; ssize_t ret; ret = ib_query_port(ibdev, port_num, &attr); if (ret) return ret; return sysfs_emit(buf, "0x%x\n", attr.sm_lid); } static ssize_t sm_sl_show(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *unused, char *buf) { struct ib_port_attr attr; ssize_t ret; ret = ib_query_port(ibdev, port_num, &attr); if (ret) return ret; return sysfs_emit(buf, "%u\n", attr.sm_sl); } static ssize_t cap_mask_show(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *unused, char *buf) { struct ib_port_attr attr; ssize_t ret; ret = ib_query_port(ibdev, port_num, &attr); if (ret) return ret; return sysfs_emit(buf, "0x%08x\n", attr.port_cap_flags); } static ssize_t rate_show(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *unused, char *buf) { struct ib_port_attr attr; char *speed = ""; int rate; /* in deci-Gb/sec */ ssize_t ret; ret = ib_query_port(ibdev, port_num, &attr); if (ret) return ret; switch (attr.active_speed) { case IB_SPEED_DDR: speed = " DDR"; rate = 50; break; case IB_SPEED_QDR: speed = " QDR"; rate = 100; break; case IB_SPEED_FDR10: speed = " FDR10"; rate = 100; break; case IB_SPEED_FDR: speed = " FDR"; rate = 140; break; case IB_SPEED_EDR: speed = " EDR"; rate = 250; break; case IB_SPEED_HDR: speed = " HDR"; rate = 500; break; case IB_SPEED_NDR: speed = " NDR"; rate = 1000; break; case IB_SPEED_XDR: speed = " XDR"; rate = 2000; break; case IB_SPEED_SDR: default: /* default to SDR for invalid rates */ speed = " SDR"; rate = 25; break; } rate *= ib_width_enum_to_int(attr.active_width); if (rate < 0) return -EINVAL; return sysfs_emit(buf, "%d%s Gb/sec (%dX%s)\n", rate / 10, rate % 10 ? ".5" : "", ib_width_enum_to_int(attr.active_width), speed); } static const char *phys_state_to_str(enum ib_port_phys_state phys_state) { static const char *phys_state_str[] = { "<unknown>", "Sleep", "Polling", "Disabled", "PortConfigurationTraining", "LinkUp", "LinkErrorRecovery", "Phy Test", }; if (phys_state < ARRAY_SIZE(phys_state_str)) return phys_state_str[phys_state]; return "<unknown>"; } static ssize_t phys_state_show(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *unused, char *buf) { struct ib_port_attr attr; ssize_t ret; ret = ib_query_port(ibdev, port_num, &attr); if (ret) return ret; return sysfs_emit(buf, "%u: %s\n", attr.phys_state, phys_state_to_str(attr.phys_state)); } static ssize_t link_layer_show(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *unused, char *buf) { const char *output; switch (rdma_port_get_link_layer(ibdev, port_num)) { case IB_LINK_LAYER_INFINIBAND: output = "InfiniBand"; break; case IB_LINK_LAYER_ETHERNET: output = "Ethernet"; break; default: output = "Unknown"; break; } return sysfs_emit(buf, "%s\n", output); } static IB_PORT_ATTR_RO(state); static IB_PORT_ATTR_RO(lid); static IB_PORT_ATTR_RO(lid_mask_count); static IB_PORT_ATTR_RO(sm_lid); static IB_PORT_ATTR_RO(sm_sl); static IB_PORT_ATTR_RO(cap_mask); static IB_PORT_ATTR_RO(rate); static IB_PORT_ATTR_RO(phys_state); static IB_PORT_ATTR_RO(link_layer); static struct attribute *port_default_attrs[] = { &ib_port_attr_state.attr, &ib_port_attr_lid.attr, &ib_port_attr_lid_mask_count.attr, &ib_port_attr_sm_lid.attr, &ib_port_attr_sm_sl.attr, &ib_port_attr_cap_mask.attr, &ib_port_attr_rate.attr, &ib_port_attr_phys_state.attr, &ib_port_attr_link_layer.attr, NULL }; ATTRIBUTE_GROUPS(port_default); static ssize_t print_ndev(const struct ib_gid_attr *gid_attr, char *buf) { struct net_device *ndev; int ret = -EINVAL; rcu_read_lock(); ndev = rcu_dereference(gid_attr->ndev); if (ndev) ret = sysfs_emit(buf, "%s\n", ndev->name); rcu_read_unlock(); return ret; } static ssize_t print_gid_type(const struct ib_gid_attr *gid_attr, char *buf) { return sysfs_emit(buf, "%s\n", ib_cache_gid_type_str(gid_attr->gid_type)); } static ssize_t _show_port_gid_attr( struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *attr, char *buf, ssize_t (*print)(const struct ib_gid_attr *gid_attr, char *buf)) { struct port_table_attribute *tab_attr = container_of(attr, struct port_table_attribute, attr); const struct ib_gid_attr *gid_attr; ssize_t ret; gid_attr = rdma_get_gid_attr(ibdev, port_num, tab_attr->index); if (IS_ERR(gid_attr)) /* -EINVAL is returned for user space compatibility reasons. */ return -EINVAL; ret = print(gid_attr, buf); rdma_put_gid_attr(gid_attr); return ret; } static ssize_t show_port_gid(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *attr, char *buf) { struct port_table_attribute *tab_attr = container_of(attr, struct port_table_attribute, attr); const struct ib_gid_attr *gid_attr; int len; gid_attr = rdma_get_gid_attr(ibdev, port_num, tab_attr->index); if (IS_ERR(gid_attr)) { const union ib_gid zgid = {}; /* If reading GID fails, it is likely due to GID entry being * empty (invalid) or reserved GID in the table. User space * expects to read GID table entries as long as it given index * is within GID table size. Administrative/debugging tool * fails to query rest of the GID entries if it hits error * while querying a GID of the given index. To avoid user * space throwing such error on fail to read gid, return zero * GID as before. This maintains backward compatibility. */ return sysfs_emit(buf, "%pI6\n", zgid.raw); } len = sysfs_emit(buf, "%pI6\n", gid_attr->gid.raw); rdma_put_gid_attr(gid_attr); return len; } static ssize_t show_port_gid_attr_ndev(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *attr, char *buf) { return _show_port_gid_attr(ibdev, port_num, attr, buf, print_ndev); } static ssize_t show_port_gid_attr_gid_type(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *attr, char *buf) { return _show_port_gid_attr(ibdev, port_num, attr, buf, print_gid_type); } static ssize_t show_port_pkey(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *attr, char *buf) { struct port_table_attribute *tab_attr = container_of(attr, struct port_table_attribute, attr); u16 pkey; int ret; ret = ib_query_pkey(ibdev, port_num, tab_attr->index, &pkey); if (ret) return ret; return sysfs_emit(buf, "0x%04x\n", pkey); } #define PORT_PMA_ATTR(_name, _counter, _width, _offset) \ struct port_table_attribute port_pma_attr_##_name = { \ .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \ .index = (_offset) | ((_width) << 16) | ((_counter) << 24), \ .attr_id = IB_PMA_PORT_COUNTERS, \ } #define PORT_PMA_ATTR_EXT(_name, _width, _offset) \ struct port_table_attribute port_pma_attr_ext_##_name = { \ .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \ .index = (_offset) | ((_width) << 16), \ .attr_id = IB_PMA_PORT_COUNTERS_EXT, \ } /* * Get a Perfmgmt MAD block of data. * Returns error code or the number of bytes retrieved. */ static int get_perf_mad(struct ib_device *dev, int port_num, __be16 attr, void *data, int offset, size_t size) { struct ib_mad *in_mad; struct ib_mad *out_mad; size_t mad_size = sizeof(*out_mad); u16 out_mad_pkey_index = 0; ssize_t ret; if (!dev->ops.process_mad) return -ENOSYS; in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); out_mad = kzalloc(sizeof(*out_mad), GFP_KERNEL); if (!in_mad || !out_mad) { ret = -ENOMEM; goto out; } in_mad->mad_hdr.base_version = 1; in_mad->mad_hdr.mgmt_class = IB_MGMT_CLASS_PERF_MGMT; in_mad->mad_hdr.class_version = 1; in_mad->mad_hdr.method = IB_MGMT_METHOD_GET; in_mad->mad_hdr.attr_id = attr; if (attr != IB_PMA_CLASS_PORT_INFO) in_mad->data[41] = port_num; /* PortSelect field */ if ((dev->ops.process_mad(dev, IB_MAD_IGNORE_MKEY, port_num, NULL, NULL, in_mad, out_mad, &mad_size, &out_mad_pkey_index) & (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) != (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) { ret = -EINVAL; goto out; } memcpy(data, out_mad->data + offset, size); ret = size; out: kfree(in_mad); kfree(out_mad); return ret; } static ssize_t show_pma_counter(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *attr, char *buf) { struct port_table_attribute *tab_attr = container_of(attr, struct port_table_attribute, attr); int offset = tab_attr->index & 0xffff; int width = (tab_attr->index >> 16) & 0xff; int ret; u8 data[8]; int len; ret = get_perf_mad(ibdev, port_num, tab_attr->attr_id, &data, 40 + offset / 8, sizeof(data)); if (ret < 0) return ret; switch (width) { case 4: len = sysfs_emit(buf, "%d\n", (*data >> (4 - (offset % 8))) & 0xf); break; case 8: len = sysfs_emit(buf, "%u\n", *data); break; case 16: len = sysfs_emit(buf, "%u\n", be16_to_cpup((__be16 *)data)); break; case 32: len = sysfs_emit(buf, "%u\n", be32_to_cpup((__be32 *)data)); break; case 64: len = sysfs_emit(buf, "%llu\n", be64_to_cpup((__be64 *)data)); break; default: len = 0; break; } return len; } static PORT_PMA_ATTR(symbol_error , 0, 16, 32); static PORT_PMA_ATTR(link_error_recovery , 1, 8, 48); static PORT_PMA_ATTR(link_downed , 2, 8, 56); static PORT_PMA_ATTR(port_rcv_errors , 3, 16, 64); static PORT_PMA_ATTR(port_rcv_remote_physical_errors, 4, 16, 80); static PORT_PMA_ATTR(port_rcv_switch_relay_errors , 5, 16, 96); static PORT_PMA_ATTR(port_xmit_discards , 6, 16, 112); static PORT_PMA_ATTR(port_xmit_constraint_errors , 7, 8, 128); static PORT_PMA_ATTR(port_rcv_constraint_errors , 8, 8, 136); static PORT_PMA_ATTR(local_link_integrity_errors , 9, 4, 152); static PORT_PMA_ATTR(excessive_buffer_overrun_errors, 10, 4, 156); static PORT_PMA_ATTR(VL15_dropped , 11, 16, 176); static PORT_PMA_ATTR(port_xmit_data , 12, 32, 192); static PORT_PMA_ATTR(port_rcv_data , 13, 32, 224); static PORT_PMA_ATTR(port_xmit_packets , 14, 32, 256); static PORT_PMA_ATTR(port_rcv_packets , 15, 32, 288); static PORT_PMA_ATTR(port_xmit_wait , 0, 32, 320); /* * Counters added by extended set */ static PORT_PMA_ATTR_EXT(port_xmit_data , 64, 64); static PORT_PMA_ATTR_EXT(port_rcv_data , 64, 128); static PORT_PMA_ATTR_EXT(port_xmit_packets , 64, 192); static PORT_PMA_ATTR_EXT(port_rcv_packets , 64, 256); static PORT_PMA_ATTR_EXT(unicast_xmit_packets , 64, 320); static PORT_PMA_ATTR_EXT(unicast_rcv_packets , 64, 384); static PORT_PMA_ATTR_EXT(multicast_xmit_packets , 64, 448); static PORT_PMA_ATTR_EXT(multicast_rcv_packets , 64, 512); static struct attribute *pma_attrs[] = { &port_pma_attr_symbol_error.attr.attr, &port_pma_attr_link_error_recovery.attr.attr, &port_pma_attr_link_downed.attr.attr, &port_pma_attr_port_rcv_errors.attr.attr, &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, &port_pma_attr_port_xmit_discards.attr.attr, &port_pma_attr_port_xmit_constraint_errors.attr.attr, &port_pma_attr_port_rcv_constraint_errors.attr.attr, &port_pma_attr_local_link_integrity_errors.attr.attr, &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, &port_pma_attr_VL15_dropped.attr.attr, &port_pma_attr_port_xmit_data.attr.attr, &port_pma_attr_port_rcv_data.attr.attr, &port_pma_attr_port_xmit_packets.attr.attr, &port_pma_attr_port_rcv_packets.attr.attr, &port_pma_attr_port_xmit_wait.attr.attr, NULL }; static struct attribute *pma_attrs_ext[] = { &port_pma_attr_symbol_error.attr.attr, &port_pma_attr_link_error_recovery.attr.attr, &port_pma_attr_link_downed.attr.attr, &port_pma_attr_port_rcv_errors.attr.attr, &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, &port_pma_attr_port_xmit_discards.attr.attr, &port_pma_attr_port_xmit_constraint_errors.attr.attr, &port_pma_attr_port_rcv_constraint_errors.attr.attr, &port_pma_attr_local_link_integrity_errors.attr.attr, &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, &port_pma_attr_VL15_dropped.attr.attr, &port_pma_attr_ext_port_xmit_data.attr.attr, &port_pma_attr_ext_port_rcv_data.attr.attr, &port_pma_attr_ext_port_xmit_packets.attr.attr, &port_pma_attr_port_xmit_wait.attr.attr, &port_pma_attr_ext_port_rcv_packets.attr.attr, &port_pma_attr_ext_unicast_rcv_packets.attr.attr, &port_pma_attr_ext_unicast_xmit_packets.attr.attr, &port_pma_attr_ext_multicast_rcv_packets.attr.attr, &port_pma_attr_ext_multicast_xmit_packets.attr.attr, NULL }; static struct attribute *pma_attrs_noietf[] = { &port_pma_attr_symbol_error.attr.attr, &port_pma_attr_link_error_recovery.attr.attr, &port_pma_attr_link_downed.attr.attr, &port_pma_attr_port_rcv_errors.attr.attr, &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, &port_pma_attr_port_xmit_discards.attr.attr, &port_pma_attr_port_xmit_constraint_errors.attr.attr, &port_pma_attr_port_rcv_constraint_errors.attr.attr, &port_pma_attr_local_link_integrity_errors.attr.attr, &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, &port_pma_attr_VL15_dropped.attr.attr, &port_pma_attr_ext_port_xmit_data.attr.attr, &port_pma_attr_ext_port_rcv_data.attr.attr, &port_pma_attr_ext_port_xmit_packets.attr.attr, &port_pma_attr_ext_port_rcv_packets.attr.attr, &port_pma_attr_port_xmit_wait.attr.attr, NULL }; static const struct attribute_group pma_group = { .name = "counters", .attrs = pma_attrs }; static const struct attribute_group pma_group_ext = { .name = "counters", .attrs = pma_attrs_ext }; static const struct attribute_group pma_group_noietf = { .name = "counters", .attrs = pma_attrs_noietf }; static void ib_port_release(struct kobject *kobj) { struct ib_port *port = container_of(kobj, struct ib_port, kobj); int i; for (i = 0; i != ARRAY_SIZE(port->groups); i++) kfree(port->groups[i].attrs); if (port->hw_stats_data) rdma_free_hw_stats_struct(port->hw_stats_data->stats); kfree(port->hw_stats_data); kvfree(port); } static void ib_port_gid_attr_release(struct kobject *kobj) { struct gid_attr_group *gid_attr_group = container_of(kobj, struct gid_attr_group, kobj); int i; for (i = 0; i != ARRAY_SIZE(gid_attr_group->groups); i++) kfree(gid_attr_group->groups[i].attrs); kfree(gid_attr_group); } static struct kobj_type port_type = { .release = ib_port_release, .sysfs_ops = &port_sysfs_ops, .default_groups = port_default_groups, }; static struct kobj_type gid_attr_type = { .sysfs_ops = &gid_attr_sysfs_ops, .release = ib_port_gid_attr_release }; /* * Figure out which counter table to use depending on * the device capabilities. */ static const struct attribute_group *get_counter_table(struct ib_device *dev, int port_num) { struct ib_class_port_info cpi; if (get_perf_mad(dev, port_num, IB_PMA_CLASS_PORT_INFO, &cpi, 40, sizeof(cpi)) >= 0) { if (cpi.capability_mask & IB_PMA_CLASS_CAP_EXT_WIDTH) /* We have extended counters */ return &pma_group_ext; if (cpi.capability_mask & IB_PMA_CLASS_CAP_EXT_WIDTH_NOIETF) /* But not the IETF ones */ return &pma_group_noietf; } /* Fall back to normal counters */ return &pma_group; } static int update_hw_stats(struct ib_device *dev, struct rdma_hw_stats *stats, u32 port_num, int index) { int ret; if (time_is_after_eq_jiffies(stats->timestamp + stats->lifespan)) return 0; ret = dev->ops.get_hw_stats(dev, stats, port_num, index); if (ret < 0) return ret; if (ret == stats->num_counters) stats->timestamp = jiffies; return 0; } static int print_hw_stat(struct ib_device *dev, int port_num, struct rdma_hw_stats *stats, int index, char *buf) { u64 v = rdma_counter_get_hwstat_value(dev, port_num, index); return sysfs_emit(buf, "%llu\n", stats->value[index] + v); } static ssize_t show_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats, unsigned int index, unsigned int port_num, char *buf) { int ret; mutex_lock(&stats->lock); ret = update_hw_stats(ibdev, stats, port_num, index); if (ret) goto unlock; ret = print_hw_stat(ibdev, port_num, stats, index, buf); unlock: mutex_unlock(&stats->lock); return ret; } static ssize_t show_stats_lifespan(struct ib_device *ibdev, struct rdma_hw_stats *stats, unsigned int index, unsigned int port_num, char *buf) { int msecs; mutex_lock(&stats->lock); msecs = jiffies_to_msecs(stats->lifespan); mutex_unlock(&stats->lock); return sysfs_emit(buf, "%d\n", msecs); } static ssize_t set_stats_lifespan(struct ib_device *ibdev, struct rdma_hw_stats *stats, unsigned int index, unsigned int port_num, const char *buf, size_t count) { int msecs; int jiffies; int ret; ret = kstrtoint(buf, 10, &msecs); if (ret) return ret; if (msecs < 0 || msecs > 10000) return -EINVAL; jiffies = msecs_to_jiffies(msecs); mutex_lock(&stats->lock); stats->lifespan = jiffies; mutex_unlock(&stats->lock); return count; } static struct hw_stats_device_data * alloc_hw_stats_device(struct ib_device *ibdev) { struct hw_stats_device_data *data; struct rdma_hw_stats *stats; if (!ibdev->ops.alloc_hw_device_stats) return ERR_PTR(-EOPNOTSUPP); stats = ibdev->ops.alloc_hw_device_stats(ibdev); if (!stats) return ERR_PTR(-ENOMEM); if (!stats->descs || stats->num_counters <= 0) goto err_free_stats; /* * Two extra attribue elements here, one for the lifespan entry and * one to NULL terminate the list for the sysfs core code */ data = kzalloc(struct_size(data, attrs, size_add(stats->num_counters, 1)), GFP_KERNEL); if (!data) goto err_free_stats; data->group.attrs = kcalloc(stats->num_counters + 2, sizeof(*data->group.attrs), GFP_KERNEL); if (!data->group.attrs) goto err_free_data; data->group.name = "hw_counters"; data->stats = stats; return data; err_free_data: kfree(data); err_free_stats: rdma_free_hw_stats_struct(stats); return ERR_PTR(-ENOMEM); } void ib_device_release_hw_stats(struct hw_stats_device_data *data) { kfree(data->group.attrs); rdma_free_hw_stats_struct(data->stats); kfree(data); } int ib_setup_device_attrs(struct ib_device *ibdev) { struct hw_stats_device_attribute *attr; struct hw_stats_device_data *data; bool opstat_skipped = false; int i, ret, pos = 0; data = alloc_hw_stats_device(ibdev); if (IS_ERR(data)) { if (PTR_ERR(data) == -EOPNOTSUPP) return 0; return PTR_ERR(data); } ibdev->hw_stats_data = data; ret = ibdev->ops.get_hw_stats(ibdev, data->stats, 0, data->stats->num_counters); if (ret != data->stats->num_counters) { if (WARN_ON(ret >= 0)) return -EINVAL; return ret; } data->stats->timestamp = jiffies; for (i = 0; i < data->stats->num_counters; i++) { if (data->stats->descs[i].flags & IB_STAT_FLAG_OPTIONAL) { opstat_skipped = true; continue; } WARN_ON(opstat_skipped); attr = &data->attrs[pos]; sysfs_attr_init(&attr->attr.attr); attr->attr.attr.name = data->stats->descs[i].name; attr->attr.attr.mode = 0444; attr->attr.show = hw_stat_device_show; attr->show = show_hw_stats; data->group.attrs[pos] = &attr->attr.attr; pos++; } attr = &data->attrs[pos]; sysfs_attr_init(&attr->attr.attr); attr->attr.attr.name = "lifespan"; attr->attr.attr.mode = 0644; attr->attr.show = hw_stat_device_show; attr->show = show_stats_lifespan; attr->attr.store = hw_stat_device_store; attr->store = set_stats_lifespan; data->group.attrs[pos] = &attr->attr.attr; for (i = 0; i != ARRAY_SIZE(ibdev->groups); i++) if (!ibdev->groups[i]) { ibdev->groups[i] = &data->group; return 0; } WARN(true, "struct ib_device->groups is too small"); return -EINVAL; } static struct hw_stats_port_data * alloc_hw_stats_port(struct ib_port *port, struct attribute_group *group) { struct ib_device *ibdev = port->ibdev; struct hw_stats_port_data *data; struct rdma_hw_stats *stats; if (!ibdev->ops.alloc_hw_port_stats) return ERR_PTR(-EOPNOTSUPP); stats = ibdev->ops.alloc_hw_port_stats(port->ibdev, port->port_num); if (!stats) return ERR_PTR(-ENOMEM); if (!stats->descs || stats->num_counters <= 0) goto err_free_stats; /* * Two extra attribue elements here, one for the lifespan entry and * one to NULL terminate the list for the sysfs core code */ data = kzalloc(struct_size(data, attrs, size_add(stats->num_counters, 1)), GFP_KERNEL); if (!data) goto err_free_stats; group->attrs = kcalloc(stats->num_counters + 2, sizeof(*group->attrs), GFP_KERNEL); if (!group->attrs) goto err_free_data; group->name = "hw_counters"; data->stats = stats; return data; err_free_data: kfree(data); err_free_stats: rdma_free_hw_stats_struct(stats); return ERR_PTR(-ENOMEM); } static int setup_hw_port_stats(struct ib_port *port, struct attribute_group *group) { struct hw_stats_port_attribute *attr; struct hw_stats_port_data *data; bool opstat_skipped = false; int i, ret, pos = 0; data = alloc_hw_stats_port(port, group); if (IS_ERR(data)) return PTR_ERR(data); ret = port->ibdev->ops.get_hw_stats(port->ibdev, data->stats, port->port_num, data->stats->num_counters); if (ret != data->stats->num_counters) { if (WARN_ON(ret >= 0)) return -EINVAL; return ret; } data->stats->timestamp = jiffies; for (i = 0; i < data->stats->num_counters; i++) { if (data->stats->descs[i].flags & IB_STAT_FLAG_OPTIONAL) { opstat_skipped = true; continue; } WARN_ON(opstat_skipped); attr = &data->attrs[pos]; sysfs_attr_init(&attr->attr.attr); attr->attr.attr.name = data->stats->descs[i].name; attr->attr.attr.mode = 0444; attr->attr.show = hw_stat_port_show; attr->show = show_hw_stats; group->attrs[pos] = &attr->attr.attr; pos++; } attr = &data->attrs[pos]; sysfs_attr_init(&attr->attr.attr); attr->attr.attr.name = "lifespan"; attr->attr.attr.mode = 0644; attr->attr.show = hw_stat_port_show; attr->show = show_stats_lifespan; attr->attr.store = hw_stat_port_store; attr->store = set_stats_lifespan; group->attrs[pos] = &attr->attr.attr; port->hw_stats_data = data; return 0; } struct rdma_hw_stats *ib_get_hw_stats_port(struct ib_device *ibdev, u32 port_num) { if (!ibdev->port_data || !rdma_is_port_valid(ibdev, port_num) || !ibdev->port_data[port_num].sysfs->hw_stats_data) return NULL; return ibdev->port_data[port_num].sysfs->hw_stats_data->stats; } static int alloc_port_table_group(const char *name, struct attribute_group *group, struct port_table_attribute *attrs, size_t num, ssize_t (*show)(struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *, char *buf)) { struct attribute **attr_list; int i; attr_list = kcalloc(num + 1, sizeof(*attr_list), GFP_KERNEL); if (!attr_list) return -ENOMEM; for (i = 0; i < num; i++) { struct port_table_attribute *element = &attrs[i]; if (snprintf(element->name, sizeof(element->name), "%d", i) >= sizeof(element->name)) goto err; sysfs_attr_init(&element->attr.attr); element->attr.attr.name = element->name; element->attr.attr.mode = 0444; element->attr.show = show; element->index = i; attr_list[i] = &element->attr.attr; } group->name = name; group->attrs = attr_list; return 0; err: kfree(attr_list); return -EINVAL; } /* * Create the sysfs: * ibp0s9/ports/XX/gid_attrs/{ndevs,types}/YYY * YYY is the gid table index in decimal */ static int setup_gid_attrs(struct ib_port *port, const struct ib_port_attr *attr) { struct gid_attr_group *gid_attr_group; int ret; gid_attr_group = kzalloc(struct_size(gid_attr_group, attrs_list, size_mul(attr->gid_tbl_len, 2)), GFP_KERNEL); if (!gid_attr_group) return -ENOMEM; gid_attr_group->port = port; kobject_init(&gid_attr_group->kobj, &gid_attr_type); ret = alloc_port_table_group("ndevs", &gid_attr_group->groups[0], gid_attr_group->attrs_list, attr->gid_tbl_len, show_port_gid_attr_ndev); if (ret) goto err_put; gid_attr_group->groups_list[0] = &gid_attr_group->groups[0]; ret = alloc_port_table_group( "types", &gid_attr_group->groups[1], gid_attr_group->attrs_list + attr->gid_tbl_len, attr->gid_tbl_len, show_port_gid_attr_gid_type); if (ret) goto err_put; gid_attr_group->groups_list[1] = &gid_attr_group->groups[1]; ret = kobject_add(&gid_attr_group->kobj, &port->kobj, "gid_attrs"); if (ret) goto err_put; ret = sysfs_create_groups(&gid_attr_group->kobj, gid_attr_group->groups_list); if (ret) goto err_del; port->gid_attr_group = gid_attr_group; return 0; err_del: kobject_del(&gid_attr_group->kobj); err_put: kobject_put(&gid_attr_group->kobj); return ret; } static void destroy_gid_attrs(struct ib_port *port) { struct gid_attr_group *gid_attr_group = port->gid_attr_group; if (!gid_attr_group) return; sysfs_remove_groups(&gid_attr_group->kobj, gid_attr_group->groups_list); kobject_del(&gid_attr_group->kobj); kobject_put(&gid_attr_group->kobj); } /* * Create the sysfs: * ibp0s9/ports/XX/{gids,pkeys,counters}/YYY */ static struct ib_port *setup_port(struct ib_core_device *coredev, int port_num, const struct ib_port_attr *attr) { struct ib_device *device = rdma_device_to_ibdev(&coredev->dev); bool is_full_dev = &device->coredev == coredev; const struct attribute_group **cur_group; struct ib_port *p; int ret; p = kvzalloc(struct_size(p, attrs_list, size_add(attr->gid_tbl_len, attr->pkey_tbl_len)), GFP_KERNEL); if (!p) return ERR_PTR(-ENOMEM); p->ibdev = device; p->port_num = port_num; kobject_init(&p->kobj, &port_type); if (device->port_data && is_full_dev) device->port_data[port_num].sysfs = p; cur_group = p->groups_list; ret = alloc_port_table_group("gids", &p->groups[0], p->attrs_list, attr->gid_tbl_len, show_port_gid); if (ret) goto err_put; *cur_group++ = &p->groups[0]; if (attr->pkey_tbl_len) { ret = alloc_port_table_group("pkeys", &p->groups[1], p->attrs_list + attr->gid_tbl_len, attr->pkey_tbl_len, show_port_pkey); if (ret) goto err_put; *cur_group++ = &p->groups[1]; } /* * If port == 0, it means hw_counters are per device and not per * port, so holder should be device. Therefore skip per port * counter initialization. */ if (port_num && is_full_dev) { ret = setup_hw_port_stats(p, &p->groups[2]); if (ret && ret != -EOPNOTSUPP) goto err_put; if (!ret) *cur_group++ = &p->groups[2]; } if (device->ops.process_mad && is_full_dev) *cur_group++ = get_counter_table(device, port_num); ret = kobject_add(&p->kobj, coredev->ports_kobj, "%d", port_num); if (ret) goto err_put; ret = sysfs_create_groups(&p->kobj, p->groups_list); if (ret) goto err_del; if (is_full_dev) { ret = sysfs_create_groups(&p->kobj, device->ops.port_groups); if (ret) goto err_groups; } list_add_tail(&p->kobj.entry, &coredev->port_list); return p; err_groups: sysfs_remove_groups(&p->kobj, p->groups_list); err_del: kobject_del(&p->kobj); err_put: if (device->port_data && is_full_dev) device->port_data[port_num].sysfs = NULL; kobject_put(&p->kobj); return ERR_PTR(ret); } static void destroy_port(struct ib_core_device *coredev, struct ib_port *port) { bool is_full_dev = &port->ibdev->coredev == coredev; list_del(&port->kobj.entry); if (is_full_dev) sysfs_remove_groups(&port->kobj, port->ibdev->ops.port_groups); sysfs_remove_groups(&port->kobj, port->groups_list); kobject_del(&port->kobj); if (port->ibdev->port_data && port->ibdev->port_data[port->port_num].sysfs == port) port->ibdev->port_data[port->port_num].sysfs = NULL; kobject_put(&port->kobj); } static const char *node_type_string(int node_type) { switch (node_type) { case RDMA_NODE_IB_CA: return "CA"; case RDMA_NODE_IB_SWITCH: return "switch"; case RDMA_NODE_IB_ROUTER: return "router"; case RDMA_NODE_RNIC: return "RNIC"; case RDMA_NODE_USNIC: return "usNIC"; case RDMA_NODE_USNIC_UDP: return "usNIC UDP"; case RDMA_NODE_UNSPECIFIED: return "unspecified"; } return "<unknown>"; } static ssize_t node_type_show(struct device *device, struct device_attribute *attr, char *buf) { struct ib_device *dev = rdma_device_to_ibdev(device); return sysfs_emit(buf, "%u: %s\n", dev->node_type, node_type_string(dev->node_type)); } static DEVICE_ATTR_RO(node_type); static ssize_t sys_image_guid_show(struct device *device, struct device_attribute *dev_attr, char *buf) { struct ib_device *dev = rdma_device_to_ibdev(device); __be16 *guid = (__be16 *)&dev->attrs.sys_image_guid; return sysfs_emit(buf, "%04x:%04x:%04x:%04x\n", be16_to_cpu(guid[0]), be16_to_cpu(guid[1]), be16_to_cpu(guid[2]), be16_to_cpu(guid[3])); } static DEVICE_ATTR_RO(sys_image_guid); static ssize_t node_guid_show(struct device *device, struct device_attribute *attr, char *buf) { struct ib_device *dev = rdma_device_to_ibdev(device); __be16 *node_guid = (__be16 *)&dev->node_guid; return sysfs_emit(buf, "%04x:%04x:%04x:%04x\n", be16_to_cpu(node_guid[0]), be16_to_cpu(node_guid[1]), be16_to_cpu(node_guid[2]), be16_to_cpu(node_guid[3])); } static DEVICE_ATTR_RO(node_guid); static ssize_t node_desc_show(struct device *device, struct device_attribute *attr, char *buf) { struct ib_device *dev = rdma_device_to_ibdev(device); return sysfs_emit(buf, "%.64s\n", dev->node_desc); } static ssize_t node_desc_store(struct device *device, struct device_attribute *attr, const char *buf, size_t count) { struct ib_device *dev = rdma_device_to_ibdev(device); struct ib_device_modify desc = {}; int ret; if (!dev->ops.modify_device) return -EOPNOTSUPP; memcpy(desc.node_desc, buf, min_t(int, count, IB_DEVICE_NODE_DESC_MAX)); ret = ib_modify_device(dev, IB_DEVICE_MODIFY_NODE_DESC, &desc); if (ret) return ret; return count; } static DEVICE_ATTR_RW(node_desc); static ssize_t fw_ver_show(struct device *device, struct device_attribute *attr, char *buf) { struct ib_device *dev = rdma_device_to_ibdev(device); char version[IB_FW_VERSION_NAME_MAX] = {}; ib_get_device_fw_str(dev, version); return sysfs_emit(buf, "%s\n", version); } static DEVICE_ATTR_RO(fw_ver); static struct attribute *ib_dev_attrs[] = { &dev_attr_node_type.attr, &dev_attr_node_guid.attr, &dev_attr_sys_image_guid.attr, &dev_attr_fw_ver.attr, &dev_attr_node_desc.attr, NULL, }; const struct attribute_group ib_dev_attr_group = { .attrs = ib_dev_attrs, }; void ib_free_port_attrs(struct ib_core_device *coredev) { struct kobject *p, *t; list_for_each_entry_safe(p, t, &coredev->port_list, entry) { struct ib_port *port = container_of(p, struct ib_port, kobj); destroy_gid_attrs(port); destroy_port(coredev, port); } kobject_put(coredev->ports_kobj); } int ib_setup_port_attrs(struct ib_core_device *coredev) { struct ib_device *device = rdma_device_to_ibdev(&coredev->dev); u32 port_num; int ret; coredev->ports_kobj = kobject_create_and_add("ports", &coredev->dev.kobj); if (!coredev->ports_kobj) return -ENOMEM; rdma_for_each_port (device, port_num) { struct ib_port_attr attr; struct ib_port *port; ret = ib_query_port(device, port_num, &attr); if (ret) goto err_put; port = setup_port(coredev, port_num, &attr); if (IS_ERR(port)) { ret = PTR_ERR(port); goto err_put; } ret = setup_gid_attrs(port, &attr); if (ret) goto err_put; } return 0; err_put: ib_free_port_attrs(coredev); return ret; } /** * ib_port_register_client_groups - Add an ib_client's attributes to the port * * @ibdev: IB device to add counters * @port_num: valid port number * @groups: Group list of attributes * * Do not use. Only for legacy sysfs compatibility. */ int ib_port_register_client_groups(struct ib_device *ibdev, u32 port_num, const struct attribute_group **groups) { return sysfs_create_groups(&ibdev->port_data[port_num].sysfs->kobj, groups); } EXPORT_SYMBOL(ib_port_register_client_groups); void ib_port_unregister_client_groups(struct ib_device *ibdev, u32 port_num, const struct attribute_group **groups) { return sysfs_remove_groups(&ibdev->port_data[port_num].sysfs->kobj, groups); } EXPORT_SYMBOL(ib_port_unregister_client_groups);
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1