1219820Sjeff/* 2219820Sjeff * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. 3219820Sjeff * Copyright (c) 2005 Mellanox Technologies Ltd. All rights reserved. 4219820Sjeff * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. 5219820Sjeff * 6219820Sjeff * This software is available to you under a choice of one of two 7219820Sjeff * licenses. You may choose to be licensed under the terms of the GNU 8219820Sjeff * General Public License (GPL) Version 2, available from the file 9219820Sjeff * COPYING in the main directory of this source tree, or the 10219820Sjeff * OpenIB.org BSD license below: 11219820Sjeff * 12219820Sjeff * Redistribution and use in source and binary forms, with or 13219820Sjeff * without modification, are permitted provided that the following 14219820Sjeff * conditions are met: 15219820Sjeff * 16219820Sjeff * - Redistributions of source code must retain the above 17219820Sjeff * copyright notice, this list of conditions and the following 18219820Sjeff * disclaimer. 19219820Sjeff * 20219820Sjeff * - Redistributions in binary form must reproduce the above 21219820Sjeff * copyright notice, this list of conditions and the following 22219820Sjeff * disclaimer in the documentation and/or other materials 23219820Sjeff * provided with the distribution. 24219820Sjeff * 25219820Sjeff * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26219820Sjeff * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27219820Sjeff * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28219820Sjeff * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29219820Sjeff * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30219820Sjeff * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31219820Sjeff * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32219820Sjeff * SOFTWARE. 33219820Sjeff */ 34219820Sjeff 35219820Sjeff#include "core_priv.h" 36219820Sjeff 37219820Sjeff#include <linux/slab.h> 38219820Sjeff#include <linux/string.h> 39271127Shselasky#include <linux/fs.h> 40219820Sjeff 41219820Sjeff#include <rdma/ib_mad.h> 42255932Salfred#include <rdma/ib_pma.h> 43219820Sjeff 44219820Sjeffstruct ib_port { 45219820Sjeff struct kobject kobj; 46219820Sjeff struct ib_device *ibdev; 47219820Sjeff struct attribute_group gid_group; 48219820Sjeff struct attribute_group pkey_group; 49219820Sjeff u8 port_num; 50219820Sjeff}; 51219820Sjeff 52219820Sjeffstruct port_attribute { 53219820Sjeff struct attribute attr; 54219820Sjeff ssize_t (*show)(struct ib_port *, struct port_attribute *, char *buf); 55219820Sjeff ssize_t (*store)(struct ib_port *, struct port_attribute *, 56219820Sjeff const char *buf, size_t count); 57219820Sjeff}; 58219820Sjeff 59219820Sjeff#define PORT_ATTR(_name, _mode, _show, _store) \ 60219820Sjeffstruct port_attribute port_attr_##_name = __ATTR(_name, _mode, _show, _store) 61219820Sjeff 62219820Sjeff#define PORT_ATTR_RO(_name) \ 63219820Sjeffstruct port_attribute port_attr_##_name = __ATTR_RO(_name) 64219820Sjeff 65219820Sjeffstruct port_table_attribute { 66219820Sjeff struct port_attribute attr; 67219820Sjeff char name[8]; 68219820Sjeff int index; 69219820Sjeff}; 70219820Sjeff 71219820Sjeffstatic ssize_t port_attr_show(struct kobject *kobj, 72219820Sjeff struct attribute *attr, char *buf) 73219820Sjeff{ 74219820Sjeff struct port_attribute *port_attr = 75219820Sjeff container_of(attr, struct port_attribute, attr); 76219820Sjeff struct ib_port *p = container_of(kobj, struct ib_port, kobj); 77219820Sjeff 78219820Sjeff if (!port_attr->show) 79219820Sjeff return -EIO; 80219820Sjeff 81219820Sjeff return port_attr->show(p, port_attr, buf); 82219820Sjeff} 83219820Sjeff 84219820Sjeffstatic const struct sysfs_ops port_sysfs_ops = { 85219820Sjeff .show = port_attr_show 86219820Sjeff}; 87219820Sjeff 88219820Sjeffstatic ssize_t state_show(struct ib_port *p, struct port_attribute *unused, 89219820Sjeff char *buf) 90219820Sjeff{ 91219820Sjeff struct ib_port_attr attr; 92219820Sjeff ssize_t ret; 93219820Sjeff 94219820Sjeff static const char *state_name[] = { 95219820Sjeff [IB_PORT_NOP] = "NOP", 96219820Sjeff [IB_PORT_DOWN] = "DOWN", 97219820Sjeff [IB_PORT_INIT] = "INIT", 98219820Sjeff [IB_PORT_ARMED] = "ARMED", 99219820Sjeff [IB_PORT_ACTIVE] = "ACTIVE", 100219820Sjeff [IB_PORT_ACTIVE_DEFER] = "ACTIVE_DEFER" 101219820Sjeff }; 102219820Sjeff 103219820Sjeff ret = ib_query_port(p->ibdev, p->port_num, &attr); 104219820Sjeff if (ret) 105219820Sjeff return ret; 106219820Sjeff 107219820Sjeff return sprintf(buf, "%d: %s\n", attr.state, 108255932Salfred attr.state < ARRAY_SIZE(state_name) ? 109219820Sjeff state_name[attr.state] : "UNKNOWN"); 110219820Sjeff} 111219820Sjeff 112219820Sjeffstatic ssize_t lid_show(struct ib_port *p, struct port_attribute *unused, 113219820Sjeff char *buf) 114219820Sjeff{ 115219820Sjeff struct ib_port_attr attr; 116219820Sjeff ssize_t ret; 117219820Sjeff 118219820Sjeff ret = ib_query_port(p->ibdev, p->port_num, &attr); 119219820Sjeff if (ret) 120219820Sjeff return ret; 121219820Sjeff 122219820Sjeff return sprintf(buf, "0x%x\n", attr.lid); 123219820Sjeff} 124219820Sjeff 125219820Sjeffstatic ssize_t lid_mask_count_show(struct ib_port *p, 126219820Sjeff struct port_attribute *unused, 127219820Sjeff char *buf) 128219820Sjeff{ 129219820Sjeff struct ib_port_attr attr; 130219820Sjeff ssize_t ret; 131219820Sjeff 132219820Sjeff ret = ib_query_port(p->ibdev, p->port_num, &attr); 133219820Sjeff if (ret) 134219820Sjeff return ret; 135219820Sjeff 136219820Sjeff return sprintf(buf, "%d\n", attr.lmc); 137219820Sjeff} 138219820Sjeff 139219820Sjeffstatic ssize_t sm_lid_show(struct ib_port *p, struct port_attribute *unused, 140219820Sjeff char *buf) 141219820Sjeff{ 142219820Sjeff struct ib_port_attr attr; 143219820Sjeff ssize_t ret; 144219820Sjeff 145219820Sjeff ret = ib_query_port(p->ibdev, p->port_num, &attr); 146219820Sjeff if (ret) 147219820Sjeff return ret; 148219820Sjeff 149219820Sjeff return sprintf(buf, "0x%x\n", attr.sm_lid); 150219820Sjeff} 151219820Sjeff 152219820Sjeffstatic ssize_t sm_sl_show(struct ib_port *p, struct port_attribute *unused, 153219820Sjeff char *buf) 154219820Sjeff{ 155219820Sjeff struct ib_port_attr attr; 156219820Sjeff ssize_t ret; 157219820Sjeff 158219820Sjeff ret = ib_query_port(p->ibdev, p->port_num, &attr); 159219820Sjeff if (ret) 160219820Sjeff return ret; 161219820Sjeff 162219820Sjeff return sprintf(buf, "%d\n", attr.sm_sl); 163219820Sjeff} 164219820Sjeff 165219820Sjeffstatic ssize_t cap_mask_show(struct ib_port *p, struct port_attribute *unused, 166219820Sjeff char *buf) 167219820Sjeff{ 168219820Sjeff struct ib_port_attr attr; 169219820Sjeff ssize_t ret; 170219820Sjeff 171219820Sjeff ret = ib_query_port(p->ibdev, p->port_num, &attr); 172219820Sjeff if (ret) 173219820Sjeff return ret; 174219820Sjeff 175219820Sjeff return sprintf(buf, "0x%08x\n", attr.port_cap_flags); 176219820Sjeff} 177219820Sjeff 178219820Sjeffstatic ssize_t rate_show(struct ib_port *p, struct port_attribute *unused, 179219820Sjeff char *buf) 180219820Sjeff{ 181219820Sjeff struct ib_port_attr attr; 182219820Sjeff char *speed = ""; 183219820Sjeff int rate; 184219820Sjeff ssize_t ret; 185219820Sjeff 186219820Sjeff ret = ib_query_port(p->ibdev, p->port_num, &attr); 187219820Sjeff if (ret) 188219820Sjeff return ret; 189219820Sjeff 190219820Sjeff switch (attr.active_speed) { 191219820Sjeff case 2: speed = " DDR"; break; 192219820Sjeff case 4: speed = " QDR"; break; 193219820Sjeff } 194219820Sjeff 195219820Sjeff rate = 25 * ib_width_enum_to_int(attr.active_width) * attr.active_speed; 196219820Sjeff if (rate < 0) 197219820Sjeff return -EINVAL; 198219820Sjeff 199219820Sjeff return sprintf(buf, "%d%s Gb/sec (%dX%s)\n", 200219820Sjeff rate / 10, rate % 10 ? ".5" : "", 201219820Sjeff ib_width_enum_to_int(attr.active_width), speed); 202219820Sjeff} 203219820Sjeff 204219820Sjeffstatic ssize_t phys_state_show(struct ib_port *p, struct port_attribute *unused, 205219820Sjeff char *buf) 206219820Sjeff{ 207219820Sjeff struct ib_port_attr attr; 208219820Sjeff 209219820Sjeff ssize_t ret; 210219820Sjeff 211219820Sjeff ret = ib_query_port(p->ibdev, p->port_num, &attr); 212219820Sjeff if (ret) 213219820Sjeff return ret; 214219820Sjeff 215219820Sjeff switch (attr.phys_state) { 216219820Sjeff case 1: return sprintf(buf, "1: Sleep\n"); 217219820Sjeff case 2: return sprintf(buf, "2: Polling\n"); 218219820Sjeff case 3: return sprintf(buf, "3: Disabled\n"); 219219820Sjeff case 4: return sprintf(buf, "4: PortConfigurationTraining\n"); 220219820Sjeff case 5: return sprintf(buf, "5: LinkUp\n"); 221219820Sjeff case 6: return sprintf(buf, "6: LinkErrorRecovery\n"); 222219820Sjeff case 7: return sprintf(buf, "7: Phy Test\n"); 223219820Sjeff default: return sprintf(buf, "%d: <unknown>\n", attr.phys_state); 224219820Sjeff } 225219820Sjeff} 226219820Sjeff 227219820Sjeffstatic ssize_t link_layer_show(struct ib_port *p, struct port_attribute *unused, 228219820Sjeff char *buf) 229219820Sjeff{ 230219820Sjeff switch (rdma_port_get_link_layer(p->ibdev, p->port_num)) { 231219820Sjeff case IB_LINK_LAYER_INFINIBAND: 232219820Sjeff return sprintf(buf, "%s\n", "IB"); 233219820Sjeff case IB_LINK_LAYER_ETHERNET: 234219820Sjeff return sprintf(buf, "%s\n", "Ethernet"); 235219820Sjeff default: 236219820Sjeff return sprintf(buf, "%s\n", "Unknown"); 237219820Sjeff } 238219820Sjeff} 239219820Sjeff 240219820Sjeffstatic PORT_ATTR_RO(state); 241219820Sjeffstatic PORT_ATTR_RO(lid); 242219820Sjeffstatic PORT_ATTR_RO(lid_mask_count); 243219820Sjeffstatic PORT_ATTR_RO(sm_lid); 244219820Sjeffstatic PORT_ATTR_RO(sm_sl); 245219820Sjeffstatic PORT_ATTR_RO(cap_mask); 246219820Sjeffstatic PORT_ATTR_RO(rate); 247219820Sjeffstatic PORT_ATTR_RO(phys_state); 248219820Sjeffstatic PORT_ATTR_RO(link_layer); 249219820Sjeff 250219820Sjeffstatic struct attribute *port_default_attrs[] = { 251219820Sjeff &port_attr_state.attr, 252219820Sjeff &port_attr_lid.attr, 253219820Sjeff &port_attr_lid_mask_count.attr, 254219820Sjeff &port_attr_sm_lid.attr, 255219820Sjeff &port_attr_sm_sl.attr, 256219820Sjeff &port_attr_cap_mask.attr, 257219820Sjeff &port_attr_rate.attr, 258219820Sjeff &port_attr_phys_state.attr, 259219820Sjeff &port_attr_link_layer.attr, 260219820Sjeff NULL 261219820Sjeff}; 262219820Sjeff 263219820Sjeffstatic ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr, 264219820Sjeff char *buf) 265219820Sjeff{ 266219820Sjeff struct port_table_attribute *tab_attr = 267219820Sjeff container_of(attr, struct port_table_attribute, attr); 268219820Sjeff union ib_gid gid; 269219820Sjeff ssize_t ret; 270219820Sjeff u16 *raw; 271219820Sjeff 272219820Sjeff ret = ib_query_gid(p->ibdev, p->port_num, tab_attr->index, &gid); 273219820Sjeff if (ret) 274219820Sjeff return ret; 275219820Sjeff 276219820Sjeff raw = (u16 *)gid.raw; 277219820Sjeff return sprintf(buf, "%.4x:%.4x:%.4x:%.4x:%.4x:%.4x:%.4x:%.4x\n", 278219820Sjeff htons(raw[0]), htons(raw[1]), htons(raw[2]), htons(raw[3]), 279219820Sjeff htons(raw[4]), htons(raw[5]), htons(raw[6]), htons(raw[7])); 280219820Sjeff} 281219820Sjeff 282219820Sjeffstatic ssize_t show_port_pkey(struct ib_port *p, struct port_attribute *attr, 283219820Sjeff char *buf) 284219820Sjeff{ 285219820Sjeff struct port_table_attribute *tab_attr = 286219820Sjeff container_of(attr, struct port_table_attribute, attr); 287219820Sjeff u16 pkey; 288219820Sjeff ssize_t ret; 289219820Sjeff 290219820Sjeff ret = ib_query_pkey(p->ibdev, p->port_num, tab_attr->index, &pkey); 291219820Sjeff if (ret) 292219820Sjeff return ret; 293219820Sjeff 294219820Sjeff return sprintf(buf, "0x%04x\n", pkey); 295219820Sjeff} 296219820Sjeff 297255932Salfredstatic ssize_t get_pma_counters(struct ib_port *p, struct port_attribute *attr, 298255932Salfred char *buf, int c_ext) 299219820Sjeff{ 300255932Salfred struct port_table_attribute *tab_attr = 301255932Salfred container_of(attr, struct port_table_attribute, attr); 302255932Salfred int offset = tab_attr->index & 0xffff; 303255932Salfred int width = (tab_attr->index >> 16) & 0xff; 304255932Salfred struct ib_mad *in_mad = NULL; 305255932Salfred struct ib_mad *out_mad = NULL; 306255932Salfred ssize_t ret; 307219820Sjeff 308255932Salfred if (!p->ibdev->process_mad) 309255932Salfred return -ENXIO; 310219820Sjeff 311255932Salfred in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); 312255932Salfred out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); 313255932Salfred if (!in_mad || !out_mad) { 314255932Salfred ret = -ENOMEM; 315255932Salfred goto out; 316255932Salfred } 317219820Sjeff 318255932Salfred in_mad->mad_hdr.base_version = 1; 319255932Salfred in_mad->mad_hdr.mgmt_class = IB_MGMT_CLASS_PERF_MGMT; 320255932Salfred in_mad->mad_hdr.class_version = 1; 321255932Salfred in_mad->mad_hdr.method = IB_MGMT_METHOD_GET; 322255932Salfred if (c_ext) 323255932Salfred in_mad->mad_hdr.attr_id = IB_PMA_PORT_COUNTERS_EXT; 324255932Salfred else 325255932Salfred in_mad->mad_hdr.attr_id = IB_PMA_PORT_COUNTERS; 326219820Sjeff 327255932Salfred in_mad->data[41] = p->port_num; /* PortSelect field */ 328219820Sjeff 329255932Salfred if ((p->ibdev->process_mad(p->ibdev, IB_MAD_IGNORE_MKEY, 330255932Salfred p->port_num, NULL, NULL, in_mad, out_mad) & 331255932Salfred (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) != 332255932Salfred (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) { 333255932Salfred ret = -EINVAL; 334255932Salfred goto out; 335255932Salfred } 336219820Sjeff 337255932Salfred switch (width) { 338255932Salfred case 4: 339255932Salfred ret = sprintf(buf, "%u\n", (out_mad->data[40 + offset / 8] >> 340255932Salfred (4 - (offset % 8))) & 0xf); 341255932Salfred break; 342255932Salfred case 8: 343255932Salfred ret = sprintf(buf, "%u\n", out_mad->data[40 + offset / 8]); 344255932Salfred break; 345255932Salfred case 16: 346255932Salfred ret = sprintf(buf, "%u\n", 347255932Salfred be16_to_cpup((__be16 *)(out_mad->data + 40 + offset / 8))); 348255932Salfred break; 349255932Salfred case 32: 350255932Salfred ret = sprintf(buf, "%u\n", 351255932Salfred be32_to_cpup((__be32 *)(out_mad->data + 40 + offset / 8))); 352255932Salfred break; 353255932Salfred case 64: 354255932Salfred ret = sprintf(buf, "%llu\n", (unsigned long long) 355255932Salfred be64_to_cpup((__be64 *)(out_mad->data + 40 + offset / 8))); 356255932Salfred break; 357255932Salfred default: 358255932Salfred ret = 0; 359255932Salfred } 360219820Sjeff 361219820Sjeffout: 362255932Salfred kfree(in_mad); 363255932Salfred kfree(out_mad); 364219820Sjeff 365255932Salfred return ret; 366219820Sjeff} 367219820Sjeff 368255932Salfred#define PORT_PMA_ATTR(_name, _counter, _width, _offset) \ 369255932Salfredstruct port_table_attribute port_pma_attr_##_name = { \ 370255932Salfred .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \ 371255932Salfred .index = (_offset) | ((_width) << 16) | ((_counter) << 24) \ 372255932Salfred} 373255932Salfred 374255932Salfredstatic ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr, 375255932Salfred char *buf) 376255932Salfred{ 377255932Salfred return get_pma_counters(p, attr, buf, 0); 378255932Salfred} 379255932Salfred 380255932Salfredstatic PORT_PMA_ATTR(symbol_error , 0, 16, 32); 381255932Salfredstatic PORT_PMA_ATTR(link_error_recovery , 1, 8, 48); 382255932Salfredstatic PORT_PMA_ATTR(link_downed , 2, 8, 56); 383255932Salfredstatic PORT_PMA_ATTR(port_rcv_errors , 3, 16, 64); 384219820Sjeffstatic PORT_PMA_ATTR(port_rcv_remote_physical_errors, 4, 16, 80); 385219820Sjeffstatic PORT_PMA_ATTR(port_rcv_switch_relay_errors , 5, 16, 96); 386255932Salfredstatic PORT_PMA_ATTR(port_xmit_discards , 6, 16, 112); 387219820Sjeffstatic PORT_PMA_ATTR(port_xmit_constraint_errors , 7, 8, 128); 388255932Salfredstatic PORT_PMA_ATTR(port_rcv_constraint_errors , 8, 8, 136); 389219820Sjeffstatic PORT_PMA_ATTR(local_link_integrity_errors , 9, 4, 152); 390219820Sjeffstatic PORT_PMA_ATTR(excessive_buffer_overrun_errors, 10, 4, 156); 391255932Salfredstatic PORT_PMA_ATTR(VL15_dropped , 11, 16, 176); 392255932Salfredstatic PORT_PMA_ATTR(port_xmit_data , 12, 32, 192); 393255932Salfredstatic PORT_PMA_ATTR(port_rcv_data , 13, 32, 224); 394255932Salfredstatic PORT_PMA_ATTR(port_xmit_packets , 14, 32, 256); 395255932Salfredstatic PORT_PMA_ATTR(port_rcv_packets , 15, 32, 288); 396219820Sjeff 397219820Sjeffstatic struct attribute *pma_attrs[] = { 398255932Salfred &port_pma_attr_symbol_error.attr.attr, 399255932Salfred &port_pma_attr_link_error_recovery.attr.attr, 400255932Salfred &port_pma_attr_link_downed.attr.attr, 401255932Salfred &port_pma_attr_port_rcv_errors.attr.attr, 402255932Salfred &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, 403255932Salfred &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, 404255932Salfred &port_pma_attr_port_xmit_discards.attr.attr, 405255932Salfred &port_pma_attr_port_xmit_constraint_errors.attr.attr, 406255932Salfred &port_pma_attr_port_rcv_constraint_errors.attr.attr, 407255932Salfred &port_pma_attr_local_link_integrity_errors.attr.attr, 408255932Salfred &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, 409255932Salfred &port_pma_attr_VL15_dropped.attr.attr, 410255932Salfred &port_pma_attr_port_xmit_data.attr.attr, 411255932Salfred &port_pma_attr_port_rcv_data.attr.attr, 412255932Salfred &port_pma_attr_port_xmit_packets.attr.attr, 413255932Salfred &port_pma_attr_port_rcv_packets.attr.attr, 414255932Salfred NULL 415219820Sjeff}; 416219820Sjeff 417219820Sjeffstatic struct attribute_group pma_group = { 418219820Sjeff .name = "counters", 419219820Sjeff .attrs = pma_attrs 420219820Sjeff}; 421219820Sjeff 422255932Salfred#define PORT_PMA_ATTR_EXT(_name, _counter, _width, _offset) \ 423255932Salfredstruct port_table_attribute port_pma_attr_ext_##_name = { \ 424255932Salfred .attr = __ATTR(_name, S_IRUGO, show_pma_counter_ext, NULL), \ 425255932Salfred .index = (_offset) | ((_width) << 16) | ((_counter) << 24) \ 426255932Salfred} 427255932Salfred 428255932Salfredstatic ssize_t show_pma_counter_ext(struct ib_port *p, 429255932Salfred struct port_attribute *attr, char *buf) 430255932Salfred{ 431255932Salfred return get_pma_counters(p, attr, buf, 1); 432255932Salfred} 433255932Salfred 434255932Salfredstatic PORT_PMA_ATTR_EXT(port_xmit_data_64 , 0, 64, 64); 435255932Salfredstatic PORT_PMA_ATTR_EXT(port_rcv_data_64 , 0, 64, 128); 436255932Salfredstatic PORT_PMA_ATTR_EXT(port_xmit_packets_64 , 0, 64, 192); 437255932Salfredstatic PORT_PMA_ATTR_EXT(port_rcv_packets_64 , 0, 64, 256); 438255932Salfredstatic PORT_PMA_ATTR_EXT(port_unicast_xmit_packets , 0, 64, 320); 439255932Salfredstatic PORT_PMA_ATTR_EXT(port_unicast_rcv_packets , 0, 64, 384); 440255932Salfredstatic PORT_PMA_ATTR_EXT(port_multicast_xmit_packets , 0, 64, 448); 441255932Salfredstatic PORT_PMA_ATTR_EXT(port_multicast_rcv_packets , 0, 64, 512); 442255932Salfred 443255932Salfredstatic struct attribute *pma_attrs_ext[] = { 444255932Salfred &port_pma_attr_ext_port_xmit_data_64.attr.attr, 445255932Salfred &port_pma_attr_ext_port_rcv_data_64.attr.attr, 446255932Salfred &port_pma_attr_ext_port_xmit_packets_64.attr.attr, 447255932Salfred &port_pma_attr_ext_port_rcv_packets_64.attr.attr, 448255932Salfred &port_pma_attr_ext_port_unicast_xmit_packets.attr.attr, 449255932Salfred &port_pma_attr_ext_port_unicast_rcv_packets.attr.attr, 450255932Salfred &port_pma_attr_ext_port_multicast_xmit_packets.attr.attr, 451255932Salfred &port_pma_attr_ext_port_multicast_rcv_packets.attr.attr, 452255932Salfred NULL 453255932Salfred}; 454255932Salfred 455255932Salfredstatic struct attribute_group pma_ext_group = { 456255932Salfred .name = "counters_ext", 457255932Salfred .attrs = pma_attrs_ext 458255932Salfred}; 459255932Salfred 460219820Sjeffstatic void ib_port_release(struct kobject *kobj) 461219820Sjeff{ 462219820Sjeff struct ib_port *p = container_of(kobj, struct ib_port, kobj); 463219820Sjeff struct attribute *a; 464219820Sjeff int i; 465219820Sjeff 466219820Sjeff for (i = 0; (a = p->gid_group.attrs[i]); ++i) 467219820Sjeff kfree(a); 468219820Sjeff 469219820Sjeff kfree(p->gid_group.attrs); 470219820Sjeff 471219820Sjeff for (i = 0; (a = p->pkey_group.attrs[i]); ++i) 472219820Sjeff kfree(a); 473219820Sjeff 474219820Sjeff kfree(p->pkey_group.attrs); 475219820Sjeff 476219820Sjeff kfree(p); 477219820Sjeff} 478219820Sjeff 479219820Sjeffstatic struct kobj_type port_type = { 480219820Sjeff .release = ib_port_release, 481219820Sjeff .sysfs_ops = &port_sysfs_ops, 482219820Sjeff .default_attrs = port_default_attrs 483219820Sjeff}; 484219820Sjeff 485219820Sjeffstatic void ib_device_release(struct device *device) 486219820Sjeff{ 487219820Sjeff struct ib_device *dev = container_of(device, struct ib_device, dev); 488219820Sjeff 489219820Sjeff kfree(dev); 490219820Sjeff} 491219820Sjeff 492219820Sjeff#ifdef __linux__ 493219820Sjeff/* BSD supports this through devfs(5) and devd(8). */ 494219820Sjeffstatic int ib_device_uevent(struct device *device, 495219820Sjeff struct kobj_uevent_env *env) 496219820Sjeff{ 497219820Sjeff struct ib_device *dev = container_of(device, struct ib_device, dev); 498219820Sjeff 499219820Sjeff if (add_uevent_var(env, "NAME=%s", dev->name)) 500219820Sjeff return -ENOMEM; 501219820Sjeff 502219820Sjeff /* 503219820Sjeff * It would be nice to pass the node GUID with the event... 504219820Sjeff */ 505219820Sjeff 506219820Sjeff return 0; 507219820Sjeff} 508219820Sjeff#endif 509219820Sjeff 510219820Sjeffstatic struct attribute ** 511219820Sjeffalloc_group_attrs(ssize_t (*show)(struct ib_port *, 512219820Sjeff struct port_attribute *, char *buf), 513219820Sjeff int len) 514219820Sjeff{ 515219820Sjeff struct attribute **tab_attr; 516219820Sjeff struct port_table_attribute *element; 517219820Sjeff int i; 518219820Sjeff 519219820Sjeff tab_attr = kcalloc(1 + len, sizeof(struct attribute *), GFP_KERNEL); 520219820Sjeff if (!tab_attr) 521219820Sjeff return NULL; 522219820Sjeff 523219820Sjeff for (i = 0; i < len; i++) { 524219820Sjeff element = kzalloc(sizeof(struct port_table_attribute), 525219820Sjeff GFP_KERNEL); 526219820Sjeff if (!element) 527219820Sjeff goto err; 528219820Sjeff 529219820Sjeff if (snprintf(element->name, sizeof(element->name), 530219820Sjeff "%d", i) >= sizeof(element->name)) { 531219820Sjeff kfree(element); 532219820Sjeff goto err; 533219820Sjeff } 534219820Sjeff 535219820Sjeff element->attr.attr.name = element->name; 536219820Sjeff element->attr.attr.mode = S_IRUGO; 537219820Sjeff element->attr.show = show; 538219820Sjeff element->index = i; 539219820Sjeff 540219820Sjeff tab_attr[i] = &element->attr.attr; 541219820Sjeff } 542219820Sjeff 543219820Sjeff return tab_attr; 544219820Sjeff 545219820Sjefferr: 546219820Sjeff while (--i >= 0) 547219820Sjeff kfree(tab_attr[i]); 548219820Sjeff kfree(tab_attr); 549219820Sjeff return NULL; 550219820Sjeff} 551219820Sjeff 552255932Salfredstatic int add_port(struct ib_device *device, int port_num, 553255932Salfred int (*port_callback)(struct ib_device *, 554255932Salfred u8, struct kobject *)) 555219820Sjeff{ 556219820Sjeff struct ib_port *p; 557219820Sjeff struct ib_port_attr attr; 558219820Sjeff int i; 559219820Sjeff int ret; 560219820Sjeff 561219820Sjeff ret = ib_query_port(device, port_num, &attr); 562219820Sjeff if (ret) 563219820Sjeff return ret; 564219820Sjeff 565219820Sjeff p = kzalloc(sizeof *p, GFP_KERNEL); 566219820Sjeff if (!p) 567219820Sjeff return -ENOMEM; 568219820Sjeff 569219820Sjeff p->ibdev = device; 570219820Sjeff p->port_num = port_num; 571219820Sjeff 572219820Sjeff ret = kobject_init_and_add(&p->kobj, &port_type, 573255932Salfred kobject_get(device->ports_parent), 574219820Sjeff "%d", port_num); 575219820Sjeff if (ret) 576219820Sjeff goto err_put; 577219820Sjeff 578219820Sjeff ret = sysfs_create_group(&p->kobj, &pma_group); 579219820Sjeff if (ret) 580219820Sjeff goto err_put; 581219820Sjeff 582255932Salfred ret = sysfs_create_group(&p->kobj, &pma_ext_group); 583255932Salfred if (ret) 584255932Salfred goto err_remove_pma; 585255932Salfred 586219820Sjeff p->gid_group.name = "gids"; 587219820Sjeff p->gid_group.attrs = alloc_group_attrs(show_port_gid, attr.gid_tbl_len); 588219820Sjeff if (!p->gid_group.attrs) 589255932Salfred goto err_remove_pma_ext; 590219820Sjeff 591219820Sjeff ret = sysfs_create_group(&p->kobj, &p->gid_group); 592219820Sjeff if (ret) 593219820Sjeff goto err_free_gid; 594219820Sjeff 595219820Sjeff p->pkey_group.name = "pkeys"; 596219820Sjeff p->pkey_group.attrs = alloc_group_attrs(show_port_pkey, 597219820Sjeff attr.pkey_tbl_len); 598219820Sjeff if (!p->pkey_group.attrs) 599219820Sjeff goto err_remove_gid; 600219820Sjeff 601219820Sjeff ret = sysfs_create_group(&p->kobj, &p->pkey_group); 602219820Sjeff if (ret) 603219820Sjeff goto err_free_pkey; 604219820Sjeff 605255932Salfred if (port_callback) { 606255932Salfred ret = port_callback(device, port_num, &p->kobj); 607255932Salfred if (ret) 608255932Salfred goto err_remove_pkey; 609255932Salfred } 610255932Salfred 611219820Sjeff list_add_tail(&p->kobj.entry, &device->port_list); 612219820Sjeff 613219820Sjeff#ifdef __linux__ 614219820Sjeff kobject_uevent(&p->kobj, KOBJ_ADD); 615219820Sjeff#endif 616219820Sjeff return 0; 617219820Sjeff 618255932Salfrederr_remove_pkey: 619255932Salfred sysfs_remove_group(&p->kobj, &p->pkey_group); 620255932Salfred 621219820Sjefferr_free_pkey: 622219820Sjeff for (i = 0; i < attr.pkey_tbl_len; ++i) 623219820Sjeff kfree(p->pkey_group.attrs[i]); 624219820Sjeff 625219820Sjeff kfree(p->pkey_group.attrs); 626219820Sjeff 627219820Sjefferr_remove_gid: 628219820Sjeff sysfs_remove_group(&p->kobj, &p->gid_group); 629219820Sjeff 630219820Sjefferr_free_gid: 631219820Sjeff for (i = 0; i < attr.gid_tbl_len; ++i) 632219820Sjeff kfree(p->gid_group.attrs[i]); 633219820Sjeff 634219820Sjeff kfree(p->gid_group.attrs); 635219820Sjeff 636255932Salfrederr_remove_pma_ext: 637255932Salfred sysfs_remove_group(&p->kobj, &pma_ext_group); 638255932Salfred 639219820Sjefferr_remove_pma: 640219820Sjeff sysfs_remove_group(&p->kobj, &pma_group); 641219820Sjeff 642219820Sjefferr_put: 643219820Sjeff kobject_put(device->ports_parent); 644219820Sjeff kfree(p); 645219820Sjeff return ret; 646219820Sjeff} 647219820Sjeff 648219820Sjeffstatic ssize_t show_node_type(struct device *device, 649219820Sjeff struct device_attribute *attr, char *buf) 650219820Sjeff{ 651219820Sjeff struct ib_device *dev = container_of(device, struct ib_device, dev); 652219820Sjeff 653219820Sjeff switch (dev->node_type) { 654219820Sjeff case RDMA_NODE_IB_CA: return sprintf(buf, "%d: CA\n", dev->node_type); 655219820Sjeff case RDMA_NODE_RNIC: return sprintf(buf, "%d: RNIC\n", dev->node_type); 656219820Sjeff case RDMA_NODE_IB_SWITCH: return sprintf(buf, "%d: switch\n", dev->node_type); 657219820Sjeff case RDMA_NODE_IB_ROUTER: return sprintf(buf, "%d: router\n", dev->node_type); 658219820Sjeff default: return sprintf(buf, "%d: <unknown>\n", dev->node_type); 659219820Sjeff } 660219820Sjeff} 661219820Sjeff 662219820Sjeffstatic ssize_t show_sys_image_guid(struct device *device, 663219820Sjeff struct device_attribute *dev_attr, char *buf) 664219820Sjeff{ 665219820Sjeff struct ib_device *dev = container_of(device, struct ib_device, dev); 666219820Sjeff struct ib_device_attr attr; 667219820Sjeff ssize_t ret; 668219820Sjeff 669219820Sjeff ret = ib_query_device(dev, &attr); 670219820Sjeff if (ret) 671219820Sjeff return ret; 672219820Sjeff 673219820Sjeff return sprintf(buf, "%04x:%04x:%04x:%04x\n", 674219820Sjeff be16_to_cpu(((__be16 *) &attr.sys_image_guid)[0]), 675219820Sjeff be16_to_cpu(((__be16 *) &attr.sys_image_guid)[1]), 676219820Sjeff be16_to_cpu(((__be16 *) &attr.sys_image_guid)[2]), 677219820Sjeff be16_to_cpu(((__be16 *) &attr.sys_image_guid)[3])); 678219820Sjeff} 679219820Sjeff 680219820Sjeffstatic ssize_t show_node_guid(struct device *device, 681219820Sjeff struct device_attribute *attr, char *buf) 682219820Sjeff{ 683219820Sjeff struct ib_device *dev = container_of(device, struct ib_device, dev); 684219820Sjeff 685219820Sjeff return sprintf(buf, "%04x:%04x:%04x:%04x\n", 686219820Sjeff be16_to_cpu(((__be16 *) &dev->node_guid)[0]), 687219820Sjeff be16_to_cpu(((__be16 *) &dev->node_guid)[1]), 688219820Sjeff be16_to_cpu(((__be16 *) &dev->node_guid)[2]), 689219820Sjeff be16_to_cpu(((__be16 *) &dev->node_guid)[3])); 690219820Sjeff} 691219820Sjeff 692219820Sjeffstatic ssize_t show_node_desc(struct device *device, 693219820Sjeff struct device_attribute *attr, char *buf) 694219820Sjeff{ 695219820Sjeff struct ib_device *dev = container_of(device, struct ib_device, dev); 696219820Sjeff 697219820Sjeff return sprintf(buf, "%.64s\n", dev->node_desc); 698219820Sjeff} 699219820Sjeff 700219820Sjeffstatic ssize_t set_node_desc(struct device *device, 701219820Sjeff struct device_attribute *attr, 702219820Sjeff const char *buf, size_t count) 703219820Sjeff{ 704219820Sjeff struct ib_device *dev = container_of(device, struct ib_device, dev); 705219820Sjeff struct ib_device_modify desc = {}; 706219820Sjeff int ret; 707219820Sjeff 708219820Sjeff if (!dev->modify_device) 709219820Sjeff return -EIO; 710219820Sjeff 711219820Sjeff memcpy(desc.node_desc, buf, min_t(int, count, 64)); 712219820Sjeff ret = ib_modify_device(dev, IB_DEVICE_MODIFY_NODE_DESC, &desc); 713219820Sjeff if (ret) 714219820Sjeff return ret; 715219820Sjeff 716219820Sjeff return count; 717219820Sjeff} 718219820Sjeff 719219820Sjeffstatic DEVICE_ATTR(node_type, S_IRUGO, show_node_type, NULL); 720219820Sjeffstatic DEVICE_ATTR(sys_image_guid, S_IRUGO, show_sys_image_guid, NULL); 721219820Sjeffstatic DEVICE_ATTR(node_guid, S_IRUGO, show_node_guid, NULL); 722219820Sjeffstatic DEVICE_ATTR(node_desc, S_IRUGO | S_IWUSR, show_node_desc, set_node_desc); 723219820Sjeff 724219820Sjeffstatic struct device_attribute *ib_class_attributes[] = { 725219820Sjeff &dev_attr_node_type, 726219820Sjeff &dev_attr_sys_image_guid, 727219820Sjeff &dev_attr_node_guid, 728219820Sjeff &dev_attr_node_desc 729219820Sjeff}; 730219820Sjeff 731219820Sjeffstatic struct class ib_class = { 732219820Sjeff .name = "infiniband", 733219820Sjeff .dev_release = ib_device_release, 734219820Sjeff#ifdef __linux__ 735219820Sjeff .dev_uevent = ib_device_uevent, 736219820Sjeff#endif 737219820Sjeff}; 738219820Sjeff 739219820Sjeff/* Show a given an attribute in the statistics group */ 740219820Sjeffstatic ssize_t show_protocol_stat(const struct device *device, 741219820Sjeff struct device_attribute *attr, char *buf, 742219820Sjeff unsigned offset) 743219820Sjeff{ 744219820Sjeff struct ib_device *dev = container_of(__DECONST(struct device *, device), struct ib_device, dev); 745219820Sjeff union rdma_protocol_stats stats; 746219820Sjeff ssize_t ret; 747219820Sjeff 748219820Sjeff ret = dev->get_protocol_stats(dev, &stats); 749219820Sjeff if (ret) 750219820Sjeff return ret; 751219820Sjeff 752219820Sjeff return sprintf(buf, "%llu\n", 753219820Sjeff (unsigned long long) ((u64 *) &stats)[offset]); 754219820Sjeff} 755219820Sjeff 756219820Sjeff/* generate a read-only iwarp statistics attribute */ 757219820Sjeff#define IW_STATS_ENTRY(name) \ 758219820Sjeffstatic ssize_t show_##name(struct device *device, \ 759219820Sjeff struct device_attribute *attr, char *buf) \ 760219820Sjeff{ \ 761219820Sjeff return show_protocol_stat(device, attr, buf, \ 762219820Sjeff offsetof(struct iw_protocol_stats, name) / \ 763219820Sjeff sizeof (u64)); \ 764219820Sjeff} \ 765219820Sjeffstatic DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) 766219820Sjeff 767219820SjeffIW_STATS_ENTRY(ipInReceives); 768219820SjeffIW_STATS_ENTRY(ipInHdrErrors); 769219820SjeffIW_STATS_ENTRY(ipInTooBigErrors); 770219820SjeffIW_STATS_ENTRY(ipInNoRoutes); 771219820SjeffIW_STATS_ENTRY(ipInAddrErrors); 772219820SjeffIW_STATS_ENTRY(ipInUnknownProtos); 773219820SjeffIW_STATS_ENTRY(ipInTruncatedPkts); 774219820SjeffIW_STATS_ENTRY(ipInDiscards); 775219820SjeffIW_STATS_ENTRY(ipInDelivers); 776219820SjeffIW_STATS_ENTRY(ipOutForwDatagrams); 777219820SjeffIW_STATS_ENTRY(ipOutRequests); 778219820SjeffIW_STATS_ENTRY(ipOutDiscards); 779219820SjeffIW_STATS_ENTRY(ipOutNoRoutes); 780219820SjeffIW_STATS_ENTRY(ipReasmTimeout); 781219820SjeffIW_STATS_ENTRY(ipReasmReqds); 782219820SjeffIW_STATS_ENTRY(ipReasmOKs); 783219820SjeffIW_STATS_ENTRY(ipReasmFails); 784219820SjeffIW_STATS_ENTRY(ipFragOKs); 785219820SjeffIW_STATS_ENTRY(ipFragFails); 786219820SjeffIW_STATS_ENTRY(ipFragCreates); 787219820SjeffIW_STATS_ENTRY(ipInMcastPkts); 788219820SjeffIW_STATS_ENTRY(ipOutMcastPkts); 789219820SjeffIW_STATS_ENTRY(ipInBcastPkts); 790219820SjeffIW_STATS_ENTRY(ipOutBcastPkts); 791219820SjeffIW_STATS_ENTRY(tcpRtoAlgorithm); 792219820SjeffIW_STATS_ENTRY(tcpRtoMin); 793219820SjeffIW_STATS_ENTRY(tcpRtoMax); 794219820SjeffIW_STATS_ENTRY(tcpMaxConn); 795219820SjeffIW_STATS_ENTRY(tcpActiveOpens); 796219820SjeffIW_STATS_ENTRY(tcpPassiveOpens); 797219820SjeffIW_STATS_ENTRY(tcpAttemptFails); 798219820SjeffIW_STATS_ENTRY(tcpEstabResets); 799219820SjeffIW_STATS_ENTRY(tcpCurrEstab); 800219820SjeffIW_STATS_ENTRY(tcpInSegs); 801219820SjeffIW_STATS_ENTRY(tcpOutSegs); 802219820SjeffIW_STATS_ENTRY(tcpRetransSegs); 803219820SjeffIW_STATS_ENTRY(tcpInErrs); 804219820SjeffIW_STATS_ENTRY(tcpOutRsts); 805219820Sjeff 806219820Sjeffstatic struct attribute *iw_proto_stats_attrs[] = { 807219820Sjeff &dev_attr_ipInReceives.attr, 808219820Sjeff &dev_attr_ipInHdrErrors.attr, 809219820Sjeff &dev_attr_ipInTooBigErrors.attr, 810219820Sjeff &dev_attr_ipInNoRoutes.attr, 811219820Sjeff &dev_attr_ipInAddrErrors.attr, 812219820Sjeff &dev_attr_ipInUnknownProtos.attr, 813219820Sjeff &dev_attr_ipInTruncatedPkts.attr, 814219820Sjeff &dev_attr_ipInDiscards.attr, 815219820Sjeff &dev_attr_ipInDelivers.attr, 816219820Sjeff &dev_attr_ipOutForwDatagrams.attr, 817219820Sjeff &dev_attr_ipOutRequests.attr, 818219820Sjeff &dev_attr_ipOutDiscards.attr, 819219820Sjeff &dev_attr_ipOutNoRoutes.attr, 820219820Sjeff &dev_attr_ipReasmTimeout.attr, 821219820Sjeff &dev_attr_ipReasmReqds.attr, 822219820Sjeff &dev_attr_ipReasmOKs.attr, 823219820Sjeff &dev_attr_ipReasmFails.attr, 824219820Sjeff &dev_attr_ipFragOKs.attr, 825219820Sjeff &dev_attr_ipFragFails.attr, 826219820Sjeff &dev_attr_ipFragCreates.attr, 827219820Sjeff &dev_attr_ipInMcastPkts.attr, 828219820Sjeff &dev_attr_ipOutMcastPkts.attr, 829219820Sjeff &dev_attr_ipInBcastPkts.attr, 830219820Sjeff &dev_attr_ipOutBcastPkts.attr, 831219820Sjeff &dev_attr_tcpRtoAlgorithm.attr, 832219820Sjeff &dev_attr_tcpRtoMin.attr, 833219820Sjeff &dev_attr_tcpRtoMax.attr, 834219820Sjeff &dev_attr_tcpMaxConn.attr, 835219820Sjeff &dev_attr_tcpActiveOpens.attr, 836219820Sjeff &dev_attr_tcpPassiveOpens.attr, 837219820Sjeff &dev_attr_tcpAttemptFails.attr, 838219820Sjeff &dev_attr_tcpEstabResets.attr, 839219820Sjeff &dev_attr_tcpCurrEstab.attr, 840219820Sjeff &dev_attr_tcpInSegs.attr, 841219820Sjeff &dev_attr_tcpOutSegs.attr, 842219820Sjeff &dev_attr_tcpRetransSegs.attr, 843219820Sjeff &dev_attr_tcpInErrs.attr, 844219820Sjeff &dev_attr_tcpOutRsts.attr, 845219820Sjeff NULL 846219820Sjeff}; 847219820Sjeff 848219820Sjeffstatic struct attribute_group iw_stats_group = { 849219820Sjeff .name = "proto_stats", 850219820Sjeff .attrs = iw_proto_stats_attrs, 851219820Sjeff}; 852219820Sjeff 853255932Salfredint ib_device_register_sysfs(struct ib_device *device, 854255932Salfred int (*port_callback)(struct ib_device *, u8, struct kobject *)) 855219820Sjeff{ 856219820Sjeff struct device *class_dev = &device->dev; 857219820Sjeff int ret; 858219820Sjeff int i; 859219820Sjeff 860219820Sjeff class_dev->class = &ib_class; 861219820Sjeff class_dev->parent = device->dma_device; 862255932Salfred dev_set_name(class_dev, device->name); 863255932Salfred dev_set_drvdata(class_dev, device); 864219820Sjeff 865219820Sjeff INIT_LIST_HEAD(&device->port_list); 866219820Sjeff 867219820Sjeff ret = device_register(class_dev); 868219820Sjeff if (ret) 869219820Sjeff goto err; 870219820Sjeff 871219820Sjeff for (i = 0; i < ARRAY_SIZE(ib_class_attributes); ++i) { 872219820Sjeff ret = device_create_file(class_dev, ib_class_attributes[i]); 873219820Sjeff if (ret) 874219820Sjeff goto err_unregister; 875219820Sjeff } 876219820Sjeff 877219820Sjeff device->ports_parent = kobject_create_and_add("ports", 878255932Salfred kobject_get(&class_dev->kobj)); 879255932Salfred if (!device->ports_parent) { 880219820Sjeff ret = -ENOMEM; 881219820Sjeff goto err_put; 882219820Sjeff } 883219820Sjeff 884219820Sjeff if (device->node_type == RDMA_NODE_IB_SWITCH) { 885255932Salfred ret = add_port(device, 0, port_callback); 886219820Sjeff if (ret) 887219820Sjeff goto err_put; 888219820Sjeff } else { 889219820Sjeff for (i = 1; i <= device->phys_port_cnt; ++i) { 890255932Salfred ret = add_port(device, i, port_callback); 891219820Sjeff if (ret) 892219820Sjeff goto err_put; 893219820Sjeff } 894219820Sjeff } 895219820Sjeff 896219820Sjeff if (device->node_type == RDMA_NODE_RNIC && device->get_protocol_stats) { 897219820Sjeff ret = sysfs_create_group(&class_dev->kobj, &iw_stats_group); 898219820Sjeff if (ret) 899219820Sjeff goto err_put; 900219820Sjeff } 901219820Sjeff 902219820Sjeff return 0; 903219820Sjeff 904219820Sjefferr_put: 905219820Sjeff { 906219820Sjeff struct kobject *p, *t; 907219820Sjeff struct ib_port *port; 908219820Sjeff 909219820Sjeff list_for_each_entry_safe(p, t, &device->port_list, entry) { 910219820Sjeff list_del(&p->entry); 911219820Sjeff port = container_of(p, struct ib_port, kobj); 912219820Sjeff sysfs_remove_group(p, &pma_group); 913219820Sjeff sysfs_remove_group(p, &port->pkey_group); 914219820Sjeff sysfs_remove_group(p, &port->gid_group); 915219820Sjeff kobject_put(p); 916219820Sjeff } 917219820Sjeff } 918219820Sjeff 919219820Sjeff kobject_put(&class_dev->kobj); 920219820Sjeff 921219820Sjefferr_unregister: 922219820Sjeff device_unregister(class_dev); 923219820Sjeff 924219820Sjefferr: 925219820Sjeff return ret; 926219820Sjeff} 927219820Sjeff 928219820Sjeffvoid ib_device_unregister_sysfs(struct ib_device *device) 929219820Sjeff{ 930219820Sjeff struct kobject *p, *t; 931219820Sjeff struct ib_port *port; 932255932Salfred int i; 933219820Sjeff 934219820Sjeff /* Hold kobject until ib_dealloc_device() */ 935219820Sjeff kobject_get(&device->dev.kobj); 936219820Sjeff 937255932Salfred for (i = 0; i < ARRAY_SIZE(ib_class_attributes); ++i) { 938255932Salfred device_remove_file(&device->dev, ib_class_attributes[i]); 939255932Salfred } 940255932Salfred 941219820Sjeff list_for_each_entry_safe(p, t, &device->port_list, entry) { 942219820Sjeff list_del(&p->entry); 943219820Sjeff port = container_of(p, struct ib_port, kobj); 944219820Sjeff sysfs_remove_group(p, &pma_group); 945219820Sjeff sysfs_remove_group(p, &port->pkey_group); 946219820Sjeff sysfs_remove_group(p, &port->gid_group); 947219820Sjeff kobject_put(p); 948219820Sjeff } 949219820Sjeff 950219820Sjeff kobject_put(device->ports_parent); 951219820Sjeff device_unregister(&device->dev); 952219820Sjeff} 953219820Sjeff 954219820Sjeffint ib_sysfs_setup(void) 955219820Sjeff{ 956219820Sjeff return class_register(&ib_class); 957219820Sjeff} 958219820Sjeff 959219820Sjeffvoid ib_sysfs_cleanup(void) 960219820Sjeff{ 961219820Sjeff class_unregister(&ib_class); 962219820Sjeff} 963219820Sjeff 964255932Salfred/*int ib_sysfs_create_port_files(struct ib_device *device, 965219820Sjeff int (*create)(struct ib_device *dev, u8 port_num, 966219820Sjeff struct kobject *kobj)) 967219820Sjeff{ 968219820Sjeff struct kobject *p; 969219820Sjeff struct ib_port *port; 970219820Sjeff int ret = 0; 971219820Sjeff 972219820Sjeff list_for_each_entry(p, &device->port_list, entry) { 973219820Sjeff port = container_of(p, struct ib_port, kobj); 974219820Sjeff ret = create(device, port->port_num, &port->kobj); 975219820Sjeff if (ret) 976219820Sjeff break; 977219820Sjeff } 978219820Sjeff 979219820Sjeff return ret; 980219820Sjeff} 981255932SalfredEXPORT_SYMBOL(ib_sysfs_create_port_files);*/ 982