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 = ""; 183338615Shselasky int rate; /* in deci-Gb/sec */ 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) { 191338615Shselasky case IB_SPEED_DDR: 192338615Shselasky speed = " DDR"; 193338615Shselasky rate = 50; 194338615Shselasky break; 195338615Shselasky case IB_SPEED_QDR: 196338615Shselasky speed = " QDR"; 197338615Shselasky rate = 100; 198338615Shselasky break; 199338615Shselasky case IB_SPEED_FDR10: 200338615Shselasky speed = " FDR10"; 201338615Shselasky rate = 100; 202338615Shselasky break; 203338615Shselasky case IB_SPEED_FDR: 204338615Shselasky speed = " FDR"; 205338615Shselasky rate = 140; 206338615Shselasky break; 207338615Shselasky case IB_SPEED_EDR: 208338615Shselasky speed = " EDR"; 209338615Shselasky rate = 250; 210338615Shselasky break; 211338615Shselasky case IB_SPEED_SDR: 212338615Shselasky default: /* default to SDR for invalid rates */ 213338615Shselasky rate = 25; 214338615Shselasky break; 215219820Sjeff } 216219820Sjeff 217338615Shselasky rate *= ib_width_enum_to_int(attr.active_width); 218219820Sjeff if (rate < 0) 219219820Sjeff return -EINVAL; 220219820Sjeff 221219820Sjeff return sprintf(buf, "%d%s Gb/sec (%dX%s)\n", 222219820Sjeff rate / 10, rate % 10 ? ".5" : "", 223219820Sjeff ib_width_enum_to_int(attr.active_width), speed); 224219820Sjeff} 225219820Sjeff 226219820Sjeffstatic ssize_t phys_state_show(struct ib_port *p, struct port_attribute *unused, 227219820Sjeff char *buf) 228219820Sjeff{ 229219820Sjeff struct ib_port_attr attr; 230219820Sjeff 231219820Sjeff ssize_t ret; 232219820Sjeff 233219820Sjeff ret = ib_query_port(p->ibdev, p->port_num, &attr); 234219820Sjeff if (ret) 235219820Sjeff return ret; 236219820Sjeff 237219820Sjeff switch (attr.phys_state) { 238219820Sjeff case 1: return sprintf(buf, "1: Sleep\n"); 239219820Sjeff case 2: return sprintf(buf, "2: Polling\n"); 240219820Sjeff case 3: return sprintf(buf, "3: Disabled\n"); 241219820Sjeff case 4: return sprintf(buf, "4: PortConfigurationTraining\n"); 242219820Sjeff case 5: return sprintf(buf, "5: LinkUp\n"); 243219820Sjeff case 6: return sprintf(buf, "6: LinkErrorRecovery\n"); 244219820Sjeff case 7: return sprintf(buf, "7: Phy Test\n"); 245219820Sjeff default: return sprintf(buf, "%d: <unknown>\n", attr.phys_state); 246219820Sjeff } 247219820Sjeff} 248219820Sjeff 249219820Sjeffstatic ssize_t link_layer_show(struct ib_port *p, struct port_attribute *unused, 250219820Sjeff char *buf) 251219820Sjeff{ 252219820Sjeff switch (rdma_port_get_link_layer(p->ibdev, p->port_num)) { 253219820Sjeff case IB_LINK_LAYER_INFINIBAND: 254219820Sjeff return sprintf(buf, "%s\n", "IB"); 255219820Sjeff case IB_LINK_LAYER_ETHERNET: 256219820Sjeff return sprintf(buf, "%s\n", "Ethernet"); 257219820Sjeff default: 258219820Sjeff return sprintf(buf, "%s\n", "Unknown"); 259219820Sjeff } 260219820Sjeff} 261219820Sjeff 262219820Sjeffstatic PORT_ATTR_RO(state); 263219820Sjeffstatic PORT_ATTR_RO(lid); 264219820Sjeffstatic PORT_ATTR_RO(lid_mask_count); 265219820Sjeffstatic PORT_ATTR_RO(sm_lid); 266219820Sjeffstatic PORT_ATTR_RO(sm_sl); 267219820Sjeffstatic PORT_ATTR_RO(cap_mask); 268219820Sjeffstatic PORT_ATTR_RO(rate); 269219820Sjeffstatic PORT_ATTR_RO(phys_state); 270219820Sjeffstatic PORT_ATTR_RO(link_layer); 271219820Sjeff 272219820Sjeffstatic struct attribute *port_default_attrs[] = { 273219820Sjeff &port_attr_state.attr, 274219820Sjeff &port_attr_lid.attr, 275219820Sjeff &port_attr_lid_mask_count.attr, 276219820Sjeff &port_attr_sm_lid.attr, 277219820Sjeff &port_attr_sm_sl.attr, 278219820Sjeff &port_attr_cap_mask.attr, 279219820Sjeff &port_attr_rate.attr, 280219820Sjeff &port_attr_phys_state.attr, 281219820Sjeff &port_attr_link_layer.attr, 282219820Sjeff NULL 283219820Sjeff}; 284219820Sjeff 285219820Sjeffstatic ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr, 286219820Sjeff char *buf) 287219820Sjeff{ 288219820Sjeff struct port_table_attribute *tab_attr = 289219820Sjeff container_of(attr, struct port_table_attribute, attr); 290219820Sjeff union ib_gid gid; 291219820Sjeff ssize_t ret; 292219820Sjeff u16 *raw; 293219820Sjeff 294219820Sjeff ret = ib_query_gid(p->ibdev, p->port_num, tab_attr->index, &gid); 295219820Sjeff if (ret) 296219820Sjeff return ret; 297219820Sjeff 298219820Sjeff raw = (u16 *)gid.raw; 299219820Sjeff return sprintf(buf, "%.4x:%.4x:%.4x:%.4x:%.4x:%.4x:%.4x:%.4x\n", 300219820Sjeff htons(raw[0]), htons(raw[1]), htons(raw[2]), htons(raw[3]), 301219820Sjeff htons(raw[4]), htons(raw[5]), htons(raw[6]), htons(raw[7])); 302219820Sjeff} 303219820Sjeff 304219820Sjeffstatic ssize_t show_port_pkey(struct ib_port *p, struct port_attribute *attr, 305219820Sjeff char *buf) 306219820Sjeff{ 307219820Sjeff struct port_table_attribute *tab_attr = 308219820Sjeff container_of(attr, struct port_table_attribute, attr); 309219820Sjeff u16 pkey; 310219820Sjeff ssize_t ret; 311219820Sjeff 312219820Sjeff ret = ib_query_pkey(p->ibdev, p->port_num, tab_attr->index, &pkey); 313219820Sjeff if (ret) 314219820Sjeff return ret; 315219820Sjeff 316219820Sjeff return sprintf(buf, "0x%04x\n", pkey); 317219820Sjeff} 318219820Sjeff 319255932Salfredstatic ssize_t get_pma_counters(struct ib_port *p, struct port_attribute *attr, 320255932Salfred char *buf, int c_ext) 321219820Sjeff{ 322255932Salfred struct port_table_attribute *tab_attr = 323255932Salfred container_of(attr, struct port_table_attribute, attr); 324255932Salfred int offset = tab_attr->index & 0xffff; 325255932Salfred int width = (tab_attr->index >> 16) & 0xff; 326255932Salfred struct ib_mad *in_mad = NULL; 327255932Salfred struct ib_mad *out_mad = NULL; 328255932Salfred ssize_t ret; 329219820Sjeff 330255932Salfred if (!p->ibdev->process_mad) 331255932Salfred return -ENXIO; 332219820Sjeff 333255932Salfred in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); 334255932Salfred out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); 335255932Salfred if (!in_mad || !out_mad) { 336255932Salfred ret = -ENOMEM; 337255932Salfred goto out; 338255932Salfred } 339219820Sjeff 340255932Salfred in_mad->mad_hdr.base_version = 1; 341255932Salfred in_mad->mad_hdr.mgmt_class = IB_MGMT_CLASS_PERF_MGMT; 342255932Salfred in_mad->mad_hdr.class_version = 1; 343255932Salfred in_mad->mad_hdr.method = IB_MGMT_METHOD_GET; 344255932Salfred if (c_ext) 345255932Salfred in_mad->mad_hdr.attr_id = IB_PMA_PORT_COUNTERS_EXT; 346255932Salfred else 347255932Salfred in_mad->mad_hdr.attr_id = IB_PMA_PORT_COUNTERS; 348219820Sjeff 349255932Salfred in_mad->data[41] = p->port_num; /* PortSelect field */ 350219820Sjeff 351255932Salfred if ((p->ibdev->process_mad(p->ibdev, IB_MAD_IGNORE_MKEY, 352255932Salfred p->port_num, NULL, NULL, in_mad, out_mad) & 353255932Salfred (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) != 354255932Salfred (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) { 355255932Salfred ret = -EINVAL; 356255932Salfred goto out; 357255932Salfred } 358219820Sjeff 359255932Salfred switch (width) { 360255932Salfred case 4: 361255932Salfred ret = sprintf(buf, "%u\n", (out_mad->data[40 + offset / 8] >> 362255932Salfred (4 - (offset % 8))) & 0xf); 363255932Salfred break; 364255932Salfred case 8: 365255932Salfred ret = sprintf(buf, "%u\n", out_mad->data[40 + offset / 8]); 366255932Salfred break; 367255932Salfred case 16: 368255932Salfred ret = sprintf(buf, "%u\n", 369255932Salfred be16_to_cpup((__be16 *)(out_mad->data + 40 + offset / 8))); 370255932Salfred break; 371255932Salfred case 32: 372255932Salfred ret = sprintf(buf, "%u\n", 373255932Salfred be32_to_cpup((__be32 *)(out_mad->data + 40 + offset / 8))); 374255932Salfred break; 375255932Salfred case 64: 376255932Salfred ret = sprintf(buf, "%llu\n", (unsigned long long) 377255932Salfred be64_to_cpup((__be64 *)(out_mad->data + 40 + offset / 8))); 378255932Salfred break; 379255932Salfred default: 380255932Salfred ret = 0; 381255932Salfred } 382219820Sjeff 383219820Sjeffout: 384255932Salfred kfree(in_mad); 385255932Salfred kfree(out_mad); 386219820Sjeff 387255932Salfred return ret; 388219820Sjeff} 389219820Sjeff 390255932Salfred#define PORT_PMA_ATTR(_name, _counter, _width, _offset) \ 391255932Salfredstruct port_table_attribute port_pma_attr_##_name = { \ 392255932Salfred .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \ 393255932Salfred .index = (_offset) | ((_width) << 16) | ((_counter) << 24) \ 394255932Salfred} 395255932Salfred 396255932Salfredstatic ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr, 397255932Salfred char *buf) 398255932Salfred{ 399255932Salfred return get_pma_counters(p, attr, buf, 0); 400255932Salfred} 401255932Salfred 402255932Salfredstatic PORT_PMA_ATTR(symbol_error , 0, 16, 32); 403255932Salfredstatic PORT_PMA_ATTR(link_error_recovery , 1, 8, 48); 404255932Salfredstatic PORT_PMA_ATTR(link_downed , 2, 8, 56); 405255932Salfredstatic PORT_PMA_ATTR(port_rcv_errors , 3, 16, 64); 406219820Sjeffstatic PORT_PMA_ATTR(port_rcv_remote_physical_errors, 4, 16, 80); 407219820Sjeffstatic PORT_PMA_ATTR(port_rcv_switch_relay_errors , 5, 16, 96); 408255932Salfredstatic PORT_PMA_ATTR(port_xmit_discards , 6, 16, 112); 409219820Sjeffstatic PORT_PMA_ATTR(port_xmit_constraint_errors , 7, 8, 128); 410255932Salfredstatic PORT_PMA_ATTR(port_rcv_constraint_errors , 8, 8, 136); 411219820Sjeffstatic PORT_PMA_ATTR(local_link_integrity_errors , 9, 4, 152); 412219820Sjeffstatic PORT_PMA_ATTR(excessive_buffer_overrun_errors, 10, 4, 156); 413255932Salfredstatic PORT_PMA_ATTR(VL15_dropped , 11, 16, 176); 414255932Salfredstatic PORT_PMA_ATTR(port_xmit_data , 12, 32, 192); 415255932Salfredstatic PORT_PMA_ATTR(port_rcv_data , 13, 32, 224); 416255932Salfredstatic PORT_PMA_ATTR(port_xmit_packets , 14, 32, 256); 417255932Salfredstatic PORT_PMA_ATTR(port_rcv_packets , 15, 32, 288); 418219820Sjeff 419219820Sjeffstatic struct attribute *pma_attrs[] = { 420255932Salfred &port_pma_attr_symbol_error.attr.attr, 421255932Salfred &port_pma_attr_link_error_recovery.attr.attr, 422255932Salfred &port_pma_attr_link_downed.attr.attr, 423255932Salfred &port_pma_attr_port_rcv_errors.attr.attr, 424255932Salfred &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, 425255932Salfred &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, 426255932Salfred &port_pma_attr_port_xmit_discards.attr.attr, 427255932Salfred &port_pma_attr_port_xmit_constraint_errors.attr.attr, 428255932Salfred &port_pma_attr_port_rcv_constraint_errors.attr.attr, 429255932Salfred &port_pma_attr_local_link_integrity_errors.attr.attr, 430255932Salfred &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, 431255932Salfred &port_pma_attr_VL15_dropped.attr.attr, 432255932Salfred &port_pma_attr_port_xmit_data.attr.attr, 433255932Salfred &port_pma_attr_port_rcv_data.attr.attr, 434255932Salfred &port_pma_attr_port_xmit_packets.attr.attr, 435255932Salfred &port_pma_attr_port_rcv_packets.attr.attr, 436255932Salfred NULL 437219820Sjeff}; 438219820Sjeff 439219820Sjeffstatic struct attribute_group pma_group = { 440219820Sjeff .name = "counters", 441219820Sjeff .attrs = pma_attrs 442219820Sjeff}; 443219820Sjeff 444255932Salfred#define PORT_PMA_ATTR_EXT(_name, _counter, _width, _offset) \ 445255932Salfredstruct port_table_attribute port_pma_attr_ext_##_name = { \ 446255932Salfred .attr = __ATTR(_name, S_IRUGO, show_pma_counter_ext, NULL), \ 447255932Salfred .index = (_offset) | ((_width) << 16) | ((_counter) << 24) \ 448255932Salfred} 449255932Salfred 450255932Salfredstatic ssize_t show_pma_counter_ext(struct ib_port *p, 451255932Salfred struct port_attribute *attr, char *buf) 452255932Salfred{ 453255932Salfred return get_pma_counters(p, attr, buf, 1); 454255932Salfred} 455255932Salfred 456255932Salfredstatic PORT_PMA_ATTR_EXT(port_xmit_data_64 , 0, 64, 64); 457255932Salfredstatic PORT_PMA_ATTR_EXT(port_rcv_data_64 , 0, 64, 128); 458255932Salfredstatic PORT_PMA_ATTR_EXT(port_xmit_packets_64 , 0, 64, 192); 459255932Salfredstatic PORT_PMA_ATTR_EXT(port_rcv_packets_64 , 0, 64, 256); 460255932Salfredstatic PORT_PMA_ATTR_EXT(port_unicast_xmit_packets , 0, 64, 320); 461255932Salfredstatic PORT_PMA_ATTR_EXT(port_unicast_rcv_packets , 0, 64, 384); 462255932Salfredstatic PORT_PMA_ATTR_EXT(port_multicast_xmit_packets , 0, 64, 448); 463255932Salfredstatic PORT_PMA_ATTR_EXT(port_multicast_rcv_packets , 0, 64, 512); 464255932Salfred 465255932Salfredstatic struct attribute *pma_attrs_ext[] = { 466255932Salfred &port_pma_attr_ext_port_xmit_data_64.attr.attr, 467255932Salfred &port_pma_attr_ext_port_rcv_data_64.attr.attr, 468255932Salfred &port_pma_attr_ext_port_xmit_packets_64.attr.attr, 469255932Salfred &port_pma_attr_ext_port_rcv_packets_64.attr.attr, 470255932Salfred &port_pma_attr_ext_port_unicast_xmit_packets.attr.attr, 471255932Salfred &port_pma_attr_ext_port_unicast_rcv_packets.attr.attr, 472255932Salfred &port_pma_attr_ext_port_multicast_xmit_packets.attr.attr, 473255932Salfred &port_pma_attr_ext_port_multicast_rcv_packets.attr.attr, 474255932Salfred NULL 475255932Salfred}; 476255932Salfred 477255932Salfredstatic struct attribute_group pma_ext_group = { 478255932Salfred .name = "counters_ext", 479255932Salfred .attrs = pma_attrs_ext 480255932Salfred}; 481255932Salfred 482219820Sjeffstatic void ib_port_release(struct kobject *kobj) 483219820Sjeff{ 484219820Sjeff struct ib_port *p = container_of(kobj, struct ib_port, kobj); 485219820Sjeff struct attribute *a; 486219820Sjeff int i; 487219820Sjeff 488219820Sjeff for (i = 0; (a = p->gid_group.attrs[i]); ++i) 489219820Sjeff kfree(a); 490219820Sjeff 491219820Sjeff kfree(p->gid_group.attrs); 492219820Sjeff 493219820Sjeff for (i = 0; (a = p->pkey_group.attrs[i]); ++i) 494219820Sjeff kfree(a); 495219820Sjeff 496219820Sjeff kfree(p->pkey_group.attrs); 497219820Sjeff 498219820Sjeff kfree(p); 499219820Sjeff} 500219820Sjeff 501219820Sjeffstatic struct kobj_type port_type = { 502219820Sjeff .release = ib_port_release, 503219820Sjeff .sysfs_ops = &port_sysfs_ops, 504219820Sjeff .default_attrs = port_default_attrs 505219820Sjeff}; 506219820Sjeff 507219820Sjeffstatic void ib_device_release(struct device *device) 508219820Sjeff{ 509219820Sjeff struct ib_device *dev = container_of(device, struct ib_device, dev); 510219820Sjeff 511219820Sjeff kfree(dev); 512219820Sjeff} 513219820Sjeff 514219820Sjeff#ifdef __linux__ 515219820Sjeff/* BSD supports this through devfs(5) and devd(8). */ 516219820Sjeffstatic int ib_device_uevent(struct device *device, 517219820Sjeff struct kobj_uevent_env *env) 518219820Sjeff{ 519219820Sjeff struct ib_device *dev = container_of(device, struct ib_device, dev); 520219820Sjeff 521219820Sjeff if (add_uevent_var(env, "NAME=%s", dev->name)) 522219820Sjeff return -ENOMEM; 523219820Sjeff 524219820Sjeff /* 525219820Sjeff * It would be nice to pass the node GUID with the event... 526219820Sjeff */ 527219820Sjeff 528219820Sjeff return 0; 529219820Sjeff} 530219820Sjeff#endif 531219820Sjeff 532219820Sjeffstatic struct attribute ** 533219820Sjeffalloc_group_attrs(ssize_t (*show)(struct ib_port *, 534219820Sjeff struct port_attribute *, char *buf), 535219820Sjeff int len) 536219820Sjeff{ 537219820Sjeff struct attribute **tab_attr; 538219820Sjeff struct port_table_attribute *element; 539219820Sjeff int i; 540219820Sjeff 541219820Sjeff tab_attr = kcalloc(1 + len, sizeof(struct attribute *), GFP_KERNEL); 542219820Sjeff if (!tab_attr) 543219820Sjeff return NULL; 544219820Sjeff 545219820Sjeff for (i = 0; i < len; i++) { 546219820Sjeff element = kzalloc(sizeof(struct port_table_attribute), 547219820Sjeff GFP_KERNEL); 548219820Sjeff if (!element) 549219820Sjeff goto err; 550219820Sjeff 551219820Sjeff if (snprintf(element->name, sizeof(element->name), 552219820Sjeff "%d", i) >= sizeof(element->name)) { 553219820Sjeff kfree(element); 554219820Sjeff goto err; 555219820Sjeff } 556219820Sjeff 557219820Sjeff element->attr.attr.name = element->name; 558219820Sjeff element->attr.attr.mode = S_IRUGO; 559219820Sjeff element->attr.show = show; 560219820Sjeff element->index = i; 561219820Sjeff 562219820Sjeff tab_attr[i] = &element->attr.attr; 563219820Sjeff } 564219820Sjeff 565219820Sjeff return tab_attr; 566219820Sjeff 567219820Sjefferr: 568219820Sjeff while (--i >= 0) 569219820Sjeff kfree(tab_attr[i]); 570219820Sjeff kfree(tab_attr); 571219820Sjeff return NULL; 572219820Sjeff} 573219820Sjeff 574255932Salfredstatic int add_port(struct ib_device *device, int port_num, 575255932Salfred int (*port_callback)(struct ib_device *, 576255932Salfred u8, struct kobject *)) 577219820Sjeff{ 578219820Sjeff struct ib_port *p; 579219820Sjeff struct ib_port_attr attr; 580219820Sjeff int i; 581219820Sjeff int ret; 582219820Sjeff 583219820Sjeff ret = ib_query_port(device, port_num, &attr); 584219820Sjeff if (ret) 585219820Sjeff return ret; 586219820Sjeff 587219820Sjeff p = kzalloc(sizeof *p, GFP_KERNEL); 588219820Sjeff if (!p) 589219820Sjeff return -ENOMEM; 590219820Sjeff 591219820Sjeff p->ibdev = device; 592219820Sjeff p->port_num = port_num; 593219820Sjeff 594219820Sjeff ret = kobject_init_and_add(&p->kobj, &port_type, 595255932Salfred kobject_get(device->ports_parent), 596219820Sjeff "%d", port_num); 597219820Sjeff if (ret) 598219820Sjeff goto err_put; 599219820Sjeff 600219820Sjeff ret = sysfs_create_group(&p->kobj, &pma_group); 601219820Sjeff if (ret) 602219820Sjeff goto err_put; 603219820Sjeff 604255932Salfred ret = sysfs_create_group(&p->kobj, &pma_ext_group); 605255932Salfred if (ret) 606255932Salfred goto err_remove_pma; 607255932Salfred 608219820Sjeff p->gid_group.name = "gids"; 609219820Sjeff p->gid_group.attrs = alloc_group_attrs(show_port_gid, attr.gid_tbl_len); 610219820Sjeff if (!p->gid_group.attrs) 611255932Salfred goto err_remove_pma_ext; 612219820Sjeff 613219820Sjeff ret = sysfs_create_group(&p->kobj, &p->gid_group); 614219820Sjeff if (ret) 615219820Sjeff goto err_free_gid; 616219820Sjeff 617219820Sjeff p->pkey_group.name = "pkeys"; 618219820Sjeff p->pkey_group.attrs = alloc_group_attrs(show_port_pkey, 619219820Sjeff attr.pkey_tbl_len); 620219820Sjeff if (!p->pkey_group.attrs) 621219820Sjeff goto err_remove_gid; 622219820Sjeff 623219820Sjeff ret = sysfs_create_group(&p->kobj, &p->pkey_group); 624219820Sjeff if (ret) 625219820Sjeff goto err_free_pkey; 626219820Sjeff 627255932Salfred if (port_callback) { 628255932Salfred ret = port_callback(device, port_num, &p->kobj); 629255932Salfred if (ret) 630255932Salfred goto err_remove_pkey; 631255932Salfred } 632255932Salfred 633219820Sjeff list_add_tail(&p->kobj.entry, &device->port_list); 634219820Sjeff 635219820Sjeff#ifdef __linux__ 636219820Sjeff kobject_uevent(&p->kobj, KOBJ_ADD); 637219820Sjeff#endif 638219820Sjeff return 0; 639219820Sjeff 640255932Salfrederr_remove_pkey: 641255932Salfred sysfs_remove_group(&p->kobj, &p->pkey_group); 642255932Salfred 643219820Sjefferr_free_pkey: 644219820Sjeff for (i = 0; i < attr.pkey_tbl_len; ++i) 645219820Sjeff kfree(p->pkey_group.attrs[i]); 646219820Sjeff 647219820Sjeff kfree(p->pkey_group.attrs); 648219820Sjeff 649219820Sjefferr_remove_gid: 650219820Sjeff sysfs_remove_group(&p->kobj, &p->gid_group); 651219820Sjeff 652219820Sjefferr_free_gid: 653219820Sjeff for (i = 0; i < attr.gid_tbl_len; ++i) 654219820Sjeff kfree(p->gid_group.attrs[i]); 655219820Sjeff 656219820Sjeff kfree(p->gid_group.attrs); 657219820Sjeff 658255932Salfrederr_remove_pma_ext: 659255932Salfred sysfs_remove_group(&p->kobj, &pma_ext_group); 660255932Salfred 661219820Sjefferr_remove_pma: 662219820Sjeff sysfs_remove_group(&p->kobj, &pma_group); 663219820Sjeff 664219820Sjefferr_put: 665219820Sjeff kobject_put(device->ports_parent); 666219820Sjeff kfree(p); 667219820Sjeff return ret; 668219820Sjeff} 669219820Sjeff 670219820Sjeffstatic ssize_t show_node_type(struct device *device, 671219820Sjeff struct device_attribute *attr, char *buf) 672219820Sjeff{ 673219820Sjeff struct ib_device *dev = container_of(device, struct ib_device, dev); 674219820Sjeff 675219820Sjeff switch (dev->node_type) { 676219820Sjeff case RDMA_NODE_IB_CA: return sprintf(buf, "%d: CA\n", dev->node_type); 677219820Sjeff case RDMA_NODE_RNIC: return sprintf(buf, "%d: RNIC\n", dev->node_type); 678219820Sjeff case RDMA_NODE_IB_SWITCH: return sprintf(buf, "%d: switch\n", dev->node_type); 679219820Sjeff case RDMA_NODE_IB_ROUTER: return sprintf(buf, "%d: router\n", dev->node_type); 680219820Sjeff default: return sprintf(buf, "%d: <unknown>\n", dev->node_type); 681219820Sjeff } 682219820Sjeff} 683219820Sjeff 684219820Sjeffstatic ssize_t show_sys_image_guid(struct device *device, 685219820Sjeff struct device_attribute *dev_attr, char *buf) 686219820Sjeff{ 687219820Sjeff struct ib_device *dev = container_of(device, struct ib_device, dev); 688219820Sjeff struct ib_device_attr attr; 689219820Sjeff ssize_t ret; 690219820Sjeff 691219820Sjeff ret = ib_query_device(dev, &attr); 692219820Sjeff if (ret) 693219820Sjeff return ret; 694219820Sjeff 695219820Sjeff return sprintf(buf, "%04x:%04x:%04x:%04x\n", 696219820Sjeff be16_to_cpu(((__be16 *) &attr.sys_image_guid)[0]), 697219820Sjeff be16_to_cpu(((__be16 *) &attr.sys_image_guid)[1]), 698219820Sjeff be16_to_cpu(((__be16 *) &attr.sys_image_guid)[2]), 699219820Sjeff be16_to_cpu(((__be16 *) &attr.sys_image_guid)[3])); 700219820Sjeff} 701219820Sjeff 702219820Sjeffstatic ssize_t show_node_guid(struct device *device, 703219820Sjeff struct device_attribute *attr, char *buf) 704219820Sjeff{ 705219820Sjeff struct ib_device *dev = container_of(device, struct ib_device, dev); 706219820Sjeff 707219820Sjeff return sprintf(buf, "%04x:%04x:%04x:%04x\n", 708219820Sjeff be16_to_cpu(((__be16 *) &dev->node_guid)[0]), 709219820Sjeff be16_to_cpu(((__be16 *) &dev->node_guid)[1]), 710219820Sjeff be16_to_cpu(((__be16 *) &dev->node_guid)[2]), 711219820Sjeff be16_to_cpu(((__be16 *) &dev->node_guid)[3])); 712219820Sjeff} 713219820Sjeff 714219820Sjeffstatic ssize_t show_node_desc(struct device *device, 715219820Sjeff struct device_attribute *attr, char *buf) 716219820Sjeff{ 717219820Sjeff struct ib_device *dev = container_of(device, struct ib_device, dev); 718219820Sjeff 719219820Sjeff return sprintf(buf, "%.64s\n", dev->node_desc); 720219820Sjeff} 721219820Sjeff 722219820Sjeffstatic ssize_t set_node_desc(struct device *device, 723219820Sjeff struct device_attribute *attr, 724219820Sjeff const char *buf, size_t count) 725219820Sjeff{ 726219820Sjeff struct ib_device *dev = container_of(device, struct ib_device, dev); 727219820Sjeff struct ib_device_modify desc = {}; 728219820Sjeff int ret; 729219820Sjeff 730219820Sjeff if (!dev->modify_device) 731219820Sjeff return -EIO; 732219820Sjeff 733219820Sjeff memcpy(desc.node_desc, buf, min_t(int, count, 64)); 734219820Sjeff ret = ib_modify_device(dev, IB_DEVICE_MODIFY_NODE_DESC, &desc); 735219820Sjeff if (ret) 736219820Sjeff return ret; 737219820Sjeff 738219820Sjeff return count; 739219820Sjeff} 740219820Sjeff 741219820Sjeffstatic DEVICE_ATTR(node_type, S_IRUGO, show_node_type, NULL); 742219820Sjeffstatic DEVICE_ATTR(sys_image_guid, S_IRUGO, show_sys_image_guid, NULL); 743219820Sjeffstatic DEVICE_ATTR(node_guid, S_IRUGO, show_node_guid, NULL); 744219820Sjeffstatic DEVICE_ATTR(node_desc, S_IRUGO | S_IWUSR, show_node_desc, set_node_desc); 745219820Sjeff 746219820Sjeffstatic struct device_attribute *ib_class_attributes[] = { 747219820Sjeff &dev_attr_node_type, 748219820Sjeff &dev_attr_sys_image_guid, 749219820Sjeff &dev_attr_node_guid, 750219820Sjeff &dev_attr_node_desc 751219820Sjeff}; 752219820Sjeff 753219820Sjeffstatic struct class ib_class = { 754219820Sjeff .name = "infiniband", 755219820Sjeff .dev_release = ib_device_release, 756219820Sjeff#ifdef __linux__ 757219820Sjeff .dev_uevent = ib_device_uevent, 758219820Sjeff#endif 759219820Sjeff}; 760219820Sjeff 761219820Sjeff/* Show a given an attribute in the statistics group */ 762219820Sjeffstatic ssize_t show_protocol_stat(const struct device *device, 763219820Sjeff struct device_attribute *attr, char *buf, 764219820Sjeff unsigned offset) 765219820Sjeff{ 766219820Sjeff struct ib_device *dev = container_of(__DECONST(struct device *, device), struct ib_device, dev); 767219820Sjeff union rdma_protocol_stats stats; 768219820Sjeff ssize_t ret; 769219820Sjeff 770219820Sjeff ret = dev->get_protocol_stats(dev, &stats); 771219820Sjeff if (ret) 772219820Sjeff return ret; 773219820Sjeff 774219820Sjeff return sprintf(buf, "%llu\n", 775219820Sjeff (unsigned long long) ((u64 *) &stats)[offset]); 776219820Sjeff} 777219820Sjeff 778219820Sjeff/* generate a read-only iwarp statistics attribute */ 779219820Sjeff#define IW_STATS_ENTRY(name) \ 780219820Sjeffstatic ssize_t show_##name(struct device *device, \ 781219820Sjeff struct device_attribute *attr, char *buf) \ 782219820Sjeff{ \ 783219820Sjeff return show_protocol_stat(device, attr, buf, \ 784219820Sjeff offsetof(struct iw_protocol_stats, name) / \ 785219820Sjeff sizeof (u64)); \ 786219820Sjeff} \ 787219820Sjeffstatic DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) 788219820Sjeff 789219820SjeffIW_STATS_ENTRY(ipInReceives); 790219820SjeffIW_STATS_ENTRY(ipInHdrErrors); 791219820SjeffIW_STATS_ENTRY(ipInTooBigErrors); 792219820SjeffIW_STATS_ENTRY(ipInNoRoutes); 793219820SjeffIW_STATS_ENTRY(ipInAddrErrors); 794219820SjeffIW_STATS_ENTRY(ipInUnknownProtos); 795219820SjeffIW_STATS_ENTRY(ipInTruncatedPkts); 796219820SjeffIW_STATS_ENTRY(ipInDiscards); 797219820SjeffIW_STATS_ENTRY(ipInDelivers); 798219820SjeffIW_STATS_ENTRY(ipOutForwDatagrams); 799219820SjeffIW_STATS_ENTRY(ipOutRequests); 800219820SjeffIW_STATS_ENTRY(ipOutDiscards); 801219820SjeffIW_STATS_ENTRY(ipOutNoRoutes); 802219820SjeffIW_STATS_ENTRY(ipReasmTimeout); 803219820SjeffIW_STATS_ENTRY(ipReasmReqds); 804219820SjeffIW_STATS_ENTRY(ipReasmOKs); 805219820SjeffIW_STATS_ENTRY(ipReasmFails); 806219820SjeffIW_STATS_ENTRY(ipFragOKs); 807219820SjeffIW_STATS_ENTRY(ipFragFails); 808219820SjeffIW_STATS_ENTRY(ipFragCreates); 809219820SjeffIW_STATS_ENTRY(ipInMcastPkts); 810219820SjeffIW_STATS_ENTRY(ipOutMcastPkts); 811219820SjeffIW_STATS_ENTRY(ipInBcastPkts); 812219820SjeffIW_STATS_ENTRY(ipOutBcastPkts); 813219820SjeffIW_STATS_ENTRY(tcpRtoAlgorithm); 814219820SjeffIW_STATS_ENTRY(tcpRtoMin); 815219820SjeffIW_STATS_ENTRY(tcpRtoMax); 816219820SjeffIW_STATS_ENTRY(tcpMaxConn); 817219820SjeffIW_STATS_ENTRY(tcpActiveOpens); 818219820SjeffIW_STATS_ENTRY(tcpPassiveOpens); 819219820SjeffIW_STATS_ENTRY(tcpAttemptFails); 820219820SjeffIW_STATS_ENTRY(tcpEstabResets); 821219820SjeffIW_STATS_ENTRY(tcpCurrEstab); 822219820SjeffIW_STATS_ENTRY(tcpInSegs); 823219820SjeffIW_STATS_ENTRY(tcpOutSegs); 824219820SjeffIW_STATS_ENTRY(tcpRetransSegs); 825219820SjeffIW_STATS_ENTRY(tcpInErrs); 826219820SjeffIW_STATS_ENTRY(tcpOutRsts); 827219820Sjeff 828219820Sjeffstatic struct attribute *iw_proto_stats_attrs[] = { 829219820Sjeff &dev_attr_ipInReceives.attr, 830219820Sjeff &dev_attr_ipInHdrErrors.attr, 831219820Sjeff &dev_attr_ipInTooBigErrors.attr, 832219820Sjeff &dev_attr_ipInNoRoutes.attr, 833219820Sjeff &dev_attr_ipInAddrErrors.attr, 834219820Sjeff &dev_attr_ipInUnknownProtos.attr, 835219820Sjeff &dev_attr_ipInTruncatedPkts.attr, 836219820Sjeff &dev_attr_ipInDiscards.attr, 837219820Sjeff &dev_attr_ipInDelivers.attr, 838219820Sjeff &dev_attr_ipOutForwDatagrams.attr, 839219820Sjeff &dev_attr_ipOutRequests.attr, 840219820Sjeff &dev_attr_ipOutDiscards.attr, 841219820Sjeff &dev_attr_ipOutNoRoutes.attr, 842219820Sjeff &dev_attr_ipReasmTimeout.attr, 843219820Sjeff &dev_attr_ipReasmReqds.attr, 844219820Sjeff &dev_attr_ipReasmOKs.attr, 845219820Sjeff &dev_attr_ipReasmFails.attr, 846219820Sjeff &dev_attr_ipFragOKs.attr, 847219820Sjeff &dev_attr_ipFragFails.attr, 848219820Sjeff &dev_attr_ipFragCreates.attr, 849219820Sjeff &dev_attr_ipInMcastPkts.attr, 850219820Sjeff &dev_attr_ipOutMcastPkts.attr, 851219820Sjeff &dev_attr_ipInBcastPkts.attr, 852219820Sjeff &dev_attr_ipOutBcastPkts.attr, 853219820Sjeff &dev_attr_tcpRtoAlgorithm.attr, 854219820Sjeff &dev_attr_tcpRtoMin.attr, 855219820Sjeff &dev_attr_tcpRtoMax.attr, 856219820Sjeff &dev_attr_tcpMaxConn.attr, 857219820Sjeff &dev_attr_tcpActiveOpens.attr, 858219820Sjeff &dev_attr_tcpPassiveOpens.attr, 859219820Sjeff &dev_attr_tcpAttemptFails.attr, 860219820Sjeff &dev_attr_tcpEstabResets.attr, 861219820Sjeff &dev_attr_tcpCurrEstab.attr, 862219820Sjeff &dev_attr_tcpInSegs.attr, 863219820Sjeff &dev_attr_tcpOutSegs.attr, 864219820Sjeff &dev_attr_tcpRetransSegs.attr, 865219820Sjeff &dev_attr_tcpInErrs.attr, 866219820Sjeff &dev_attr_tcpOutRsts.attr, 867219820Sjeff NULL 868219820Sjeff}; 869219820Sjeff 870219820Sjeffstatic struct attribute_group iw_stats_group = { 871219820Sjeff .name = "proto_stats", 872219820Sjeff .attrs = iw_proto_stats_attrs, 873219820Sjeff}; 874219820Sjeff 875255932Salfredint ib_device_register_sysfs(struct ib_device *device, 876255932Salfred int (*port_callback)(struct ib_device *, u8, struct kobject *)) 877219820Sjeff{ 878219820Sjeff struct device *class_dev = &device->dev; 879219820Sjeff int ret; 880219820Sjeff int i; 881219820Sjeff 882219820Sjeff class_dev->class = &ib_class; 883219820Sjeff class_dev->parent = device->dma_device; 884255932Salfred dev_set_name(class_dev, device->name); 885255932Salfred dev_set_drvdata(class_dev, device); 886219820Sjeff 887219820Sjeff INIT_LIST_HEAD(&device->port_list); 888219820Sjeff 889219820Sjeff ret = device_register(class_dev); 890219820Sjeff if (ret) 891219820Sjeff goto err; 892219820Sjeff 893219820Sjeff for (i = 0; i < ARRAY_SIZE(ib_class_attributes); ++i) { 894219820Sjeff ret = device_create_file(class_dev, ib_class_attributes[i]); 895219820Sjeff if (ret) 896219820Sjeff goto err_unregister; 897219820Sjeff } 898219820Sjeff 899219820Sjeff device->ports_parent = kobject_create_and_add("ports", 900255932Salfred kobject_get(&class_dev->kobj)); 901255932Salfred if (!device->ports_parent) { 902219820Sjeff ret = -ENOMEM; 903219820Sjeff goto err_put; 904219820Sjeff } 905219820Sjeff 906219820Sjeff if (device->node_type == RDMA_NODE_IB_SWITCH) { 907255932Salfred ret = add_port(device, 0, port_callback); 908219820Sjeff if (ret) 909219820Sjeff goto err_put; 910219820Sjeff } else { 911219820Sjeff for (i = 1; i <= device->phys_port_cnt; ++i) { 912255932Salfred ret = add_port(device, i, port_callback); 913219820Sjeff if (ret) 914219820Sjeff goto err_put; 915219820Sjeff } 916219820Sjeff } 917219820Sjeff 918219820Sjeff if (device->node_type == RDMA_NODE_RNIC && device->get_protocol_stats) { 919219820Sjeff ret = sysfs_create_group(&class_dev->kobj, &iw_stats_group); 920219820Sjeff if (ret) 921219820Sjeff goto err_put; 922219820Sjeff } 923219820Sjeff 924219820Sjeff return 0; 925219820Sjeff 926219820Sjefferr_put: 927219820Sjeff { 928219820Sjeff struct kobject *p, *t; 929219820Sjeff struct ib_port *port; 930219820Sjeff 931219820Sjeff list_for_each_entry_safe(p, t, &device->port_list, entry) { 932219820Sjeff list_del(&p->entry); 933219820Sjeff port = container_of(p, struct ib_port, kobj); 934219820Sjeff sysfs_remove_group(p, &pma_group); 935219820Sjeff sysfs_remove_group(p, &port->pkey_group); 936219820Sjeff sysfs_remove_group(p, &port->gid_group); 937219820Sjeff kobject_put(p); 938219820Sjeff } 939219820Sjeff } 940219820Sjeff 941219820Sjeff kobject_put(&class_dev->kobj); 942219820Sjeff 943219820Sjefferr_unregister: 944219820Sjeff device_unregister(class_dev); 945219820Sjeff 946219820Sjefferr: 947219820Sjeff return ret; 948219820Sjeff} 949219820Sjeff 950219820Sjeffvoid ib_device_unregister_sysfs(struct ib_device *device) 951219820Sjeff{ 952219820Sjeff struct kobject *p, *t; 953219820Sjeff struct ib_port *port; 954255932Salfred int i; 955219820Sjeff 956219820Sjeff /* Hold kobject until ib_dealloc_device() */ 957219820Sjeff kobject_get(&device->dev.kobj); 958219820Sjeff 959255932Salfred for (i = 0; i < ARRAY_SIZE(ib_class_attributes); ++i) { 960255932Salfred device_remove_file(&device->dev, ib_class_attributes[i]); 961255932Salfred } 962255932Salfred 963219820Sjeff list_for_each_entry_safe(p, t, &device->port_list, entry) { 964219820Sjeff list_del(&p->entry); 965219820Sjeff port = container_of(p, struct ib_port, kobj); 966219820Sjeff sysfs_remove_group(p, &pma_group); 967219820Sjeff sysfs_remove_group(p, &port->pkey_group); 968219820Sjeff sysfs_remove_group(p, &port->gid_group); 969219820Sjeff kobject_put(p); 970219820Sjeff } 971219820Sjeff 972219820Sjeff kobject_put(device->ports_parent); 973219820Sjeff device_unregister(&device->dev); 974219820Sjeff} 975219820Sjeff 976219820Sjeffint ib_sysfs_setup(void) 977219820Sjeff{ 978219820Sjeff return class_register(&ib_class); 979219820Sjeff} 980219820Sjeff 981219820Sjeffvoid ib_sysfs_cleanup(void) 982219820Sjeff{ 983219820Sjeff class_unregister(&ib_class); 984219820Sjeff} 985219820Sjeff 986255932Salfred/*int ib_sysfs_create_port_files(struct ib_device *device, 987219820Sjeff int (*create)(struct ib_device *dev, u8 port_num, 988219820Sjeff struct kobject *kobj)) 989219820Sjeff{ 990219820Sjeff struct kobject *p; 991219820Sjeff struct ib_port *port; 992219820Sjeff int ret = 0; 993219820Sjeff 994219820Sjeff list_for_each_entry(p, &device->port_list, entry) { 995219820Sjeff port = container_of(p, struct ib_port, kobj); 996219820Sjeff ret = create(device, port->port_num, &port->kobj); 997219820Sjeff if (ret) 998219820Sjeff break; 999219820Sjeff } 1000219820Sjeff 1001219820Sjeff return ret; 1002219820Sjeff} 1003255932SalfredEXPORT_SYMBOL(ib_sysfs_create_port_files);*/ 1004