2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Mellanox Technologies Ltd. All rights reserved.
4 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
35 #include "core_priv.h"
37 #include <linux/slab.h>
38 #include <linux/string.h>
40 #include <rdma/ib_mad.h>
44 struct ib_device *ibdev;
45 struct attribute_group gid_group;
46 struct attribute_group pkey_group;
50 struct port_attribute {
51 struct attribute attr;
52 ssize_t (*show)(struct ib_port *, struct port_attribute *, char *buf);
53 ssize_t (*store)(struct ib_port *, struct port_attribute *,
54 const char *buf, size_t count);
57 #define PORT_ATTR(_name, _mode, _show, _store) \
58 struct port_attribute port_attr_##_name = __ATTR(_name, _mode, _show, _store)
60 #define PORT_ATTR_RO(_name) \
61 struct port_attribute port_attr_##_name = __ATTR_RO(_name)
63 struct port_table_attribute {
64 struct port_attribute attr;
69 static ssize_t port_attr_show(struct kobject *kobj,
70 struct attribute *attr, char *buf)
72 struct port_attribute *port_attr =
73 container_of(attr, struct port_attribute, attr);
74 struct ib_port *p = container_of(kobj, struct ib_port, kobj);
79 return port_attr->show(p, port_attr, buf);
82 static struct sysfs_ops port_sysfs_ops = {
83 .show = port_attr_show
86 static ssize_t state_show(struct ib_port *p, struct port_attribute *unused,
89 struct ib_port_attr attr;
92 static const char *state_name[] = {
93 [IB_PORT_NOP] = "NOP",
94 [IB_PORT_DOWN] = "DOWN",
95 [IB_PORT_INIT] = "INIT",
96 [IB_PORT_ARMED] = "ARMED",
97 [IB_PORT_ACTIVE] = "ACTIVE",
98 [IB_PORT_ACTIVE_DEFER] = "ACTIVE_DEFER"
101 ret = ib_query_port(p->ibdev, p->port_num, &attr);
105 return sprintf(buf, "%d: %s\n", attr.state,
106 attr.state >= 0 && attr.state < ARRAY_SIZE(state_name) ?
107 state_name[attr.state] : "UNKNOWN");
110 static ssize_t lid_show(struct ib_port *p, struct port_attribute *unused,
113 struct ib_port_attr attr;
116 ret = ib_query_port(p->ibdev, p->port_num, &attr);
120 return sprintf(buf, "0x%x\n", attr.lid);
123 static ssize_t lid_mask_count_show(struct ib_port *p,
124 struct port_attribute *unused,
127 struct ib_port_attr attr;
130 ret = ib_query_port(p->ibdev, p->port_num, &attr);
134 return sprintf(buf, "%d\n", attr.lmc);
137 static ssize_t sm_lid_show(struct ib_port *p, struct port_attribute *unused,
140 struct ib_port_attr attr;
143 ret = ib_query_port(p->ibdev, p->port_num, &attr);
147 return sprintf(buf, "0x%x\n", attr.sm_lid);
150 static ssize_t sm_sl_show(struct ib_port *p, struct port_attribute *unused,
153 struct ib_port_attr attr;
156 ret = ib_query_port(p->ibdev, p->port_num, &attr);
160 return sprintf(buf, "%d\n", attr.sm_sl);
163 static ssize_t cap_mask_show(struct ib_port *p, struct port_attribute *unused,
166 struct ib_port_attr attr;
169 ret = ib_query_port(p->ibdev, p->port_num, &attr);
173 return sprintf(buf, "0x%08x\n", attr.port_cap_flags);
176 static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
179 struct ib_port_attr attr;
184 ret = ib_query_port(p->ibdev, p->port_num, &attr);
188 switch (attr.active_speed) {
189 case 2: speed = " DDR"; break;
190 case 4: speed = " QDR"; break;
193 rate = 25 * ib_width_enum_to_int(attr.active_width) * attr.active_speed;
197 return sprintf(buf, "%d%s Gb/sec (%dX%s)\n",
198 rate / 10, rate % 10 ? ".5" : "",
199 ib_width_enum_to_int(attr.active_width), speed);
202 static ssize_t phys_state_show(struct ib_port *p, struct port_attribute *unused,
205 struct ib_port_attr attr;
209 ret = ib_query_port(p->ibdev, p->port_num, &attr);
213 switch (attr.phys_state) {
214 case 1: return sprintf(buf, "1: Sleep\n");
215 case 2: return sprintf(buf, "2: Polling\n");
216 case 3: return sprintf(buf, "3: Disabled\n");
217 case 4: return sprintf(buf, "4: PortConfigurationTraining\n");
218 case 5: return sprintf(buf, "5: LinkUp\n");
219 case 6: return sprintf(buf, "6: LinkErrorRecovery\n");
220 case 7: return sprintf(buf, "7: Phy Test\n");
221 default: return sprintf(buf, "%d: <unknown>\n", attr.phys_state);
225 static PORT_ATTR_RO(state);
226 static PORT_ATTR_RO(lid);
227 static PORT_ATTR_RO(lid_mask_count);
228 static PORT_ATTR_RO(sm_lid);
229 static PORT_ATTR_RO(sm_sl);
230 static PORT_ATTR_RO(cap_mask);
231 static PORT_ATTR_RO(rate);
232 static PORT_ATTR_RO(phys_state);
234 static struct attribute *port_default_attrs[] = {
235 &port_attr_state.attr,
237 &port_attr_lid_mask_count.attr,
238 &port_attr_sm_lid.attr,
239 &port_attr_sm_sl.attr,
240 &port_attr_cap_mask.attr,
241 &port_attr_rate.attr,
242 &port_attr_phys_state.attr,
246 static ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr,
249 struct port_table_attribute *tab_attr =
250 container_of(attr, struct port_table_attribute, attr);
254 ret = ib_query_gid(p->ibdev, p->port_num, tab_attr->index, &gid);
258 return sprintf(buf, "%pI6\n", gid.raw);
261 static ssize_t show_port_pkey(struct ib_port *p, struct port_attribute *attr,
264 struct port_table_attribute *tab_attr =
265 container_of(attr, struct port_table_attribute, attr);
269 ret = ib_query_pkey(p->ibdev, p->port_num, tab_attr->index, &pkey);
273 return sprintf(buf, "0x%04x\n", pkey);
276 #define PORT_PMA_ATTR(_name, _counter, _width, _offset) \
277 struct port_table_attribute port_pma_attr_##_name = { \
278 .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \
279 .index = (_offset) | ((_width) << 16) | ((_counter) << 24) \
282 static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr,
285 struct port_table_attribute *tab_attr =
286 container_of(attr, struct port_table_attribute, attr);
287 int offset = tab_attr->index & 0xffff;
288 int width = (tab_attr->index >> 16) & 0xff;
289 struct ib_mad *in_mad = NULL;
290 struct ib_mad *out_mad = NULL;
293 if (!p->ibdev->process_mad)
294 return sprintf(buf, "N/A (no PMA)\n");
296 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
297 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
298 if (!in_mad || !out_mad) {
303 in_mad->mad_hdr.base_version = 1;
304 in_mad->mad_hdr.mgmt_class = IB_MGMT_CLASS_PERF_MGMT;
305 in_mad->mad_hdr.class_version = 1;
306 in_mad->mad_hdr.method = IB_MGMT_METHOD_GET;
307 in_mad->mad_hdr.attr_id = cpu_to_be16(0x12); /* PortCounters */
309 in_mad->data[41] = p->port_num; /* PortSelect field */
311 if ((p->ibdev->process_mad(p->ibdev, IB_MAD_IGNORE_MKEY,
312 p->port_num, NULL, NULL, in_mad, out_mad) &
313 (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) !=
314 (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) {
321 ret = sprintf(buf, "%u\n", (out_mad->data[40 + offset / 8] >>
322 (4 - (offset % 8))) & 0xf);
325 ret = sprintf(buf, "%u\n", out_mad->data[40 + offset / 8]);
328 ret = sprintf(buf, "%u\n",
329 be16_to_cpup((__be16 *)(out_mad->data + 40 + offset / 8)));
332 ret = sprintf(buf, "%u\n",
333 be32_to_cpup((__be32 *)(out_mad->data + 40 + offset / 8)));
346 static PORT_PMA_ATTR(symbol_error , 0, 16, 32);
347 static PORT_PMA_ATTR(link_error_recovery , 1, 8, 48);
348 static PORT_PMA_ATTR(link_downed , 2, 8, 56);
349 static PORT_PMA_ATTR(port_rcv_errors , 3, 16, 64);
350 static PORT_PMA_ATTR(port_rcv_remote_physical_errors, 4, 16, 80);
351 static PORT_PMA_ATTR(port_rcv_switch_relay_errors , 5, 16, 96);
352 static PORT_PMA_ATTR(port_xmit_discards , 6, 16, 112);
353 static PORT_PMA_ATTR(port_xmit_constraint_errors , 7, 8, 128);
354 static PORT_PMA_ATTR(port_rcv_constraint_errors , 8, 8, 136);
355 static PORT_PMA_ATTR(local_link_integrity_errors , 9, 4, 152);
356 static PORT_PMA_ATTR(excessive_buffer_overrun_errors, 10, 4, 156);
357 static PORT_PMA_ATTR(VL15_dropped , 11, 16, 176);
358 static PORT_PMA_ATTR(port_xmit_data , 12, 32, 192);
359 static PORT_PMA_ATTR(port_rcv_data , 13, 32, 224);
360 static PORT_PMA_ATTR(port_xmit_packets , 14, 32, 256);
361 static PORT_PMA_ATTR(port_rcv_packets , 15, 32, 288);
363 static struct attribute *pma_attrs[] = {
364 &port_pma_attr_symbol_error.attr.attr,
365 &port_pma_attr_link_error_recovery.attr.attr,
366 &port_pma_attr_link_downed.attr.attr,
367 &port_pma_attr_port_rcv_errors.attr.attr,
368 &port_pma_attr_port_rcv_remote_physical_errors.attr.attr,
369 &port_pma_attr_port_rcv_switch_relay_errors.attr.attr,
370 &port_pma_attr_port_xmit_discards.attr.attr,
371 &port_pma_attr_port_xmit_constraint_errors.attr.attr,
372 &port_pma_attr_port_rcv_constraint_errors.attr.attr,
373 &port_pma_attr_local_link_integrity_errors.attr.attr,
374 &port_pma_attr_excessive_buffer_overrun_errors.attr.attr,
375 &port_pma_attr_VL15_dropped.attr.attr,
376 &port_pma_attr_port_xmit_data.attr.attr,
377 &port_pma_attr_port_rcv_data.attr.attr,
378 &port_pma_attr_port_xmit_packets.attr.attr,
379 &port_pma_attr_port_rcv_packets.attr.attr,
383 static struct attribute_group pma_group = {
388 static void ib_port_release(struct kobject *kobj)
390 struct ib_port *p = container_of(kobj, struct ib_port, kobj);
394 for (i = 0; (a = p->gid_group.attrs[i]); ++i)
397 kfree(p->gid_group.attrs);
399 for (i = 0; (a = p->pkey_group.attrs[i]); ++i)
402 kfree(p->pkey_group.attrs);
407 static struct kobj_type port_type = {
408 .release = ib_port_release,
409 .sysfs_ops = &port_sysfs_ops,
410 .default_attrs = port_default_attrs
413 static void ib_device_release(struct device *device)
415 struct ib_device *dev = container_of(device, struct ib_device, dev);
420 static int ib_device_uevent(struct device *device,
421 struct kobj_uevent_env *env)
423 struct ib_device *dev = container_of(device, struct ib_device, dev);
425 if (add_uevent_var(env, "NAME=%s", dev->name))
429 * It would be nice to pass the node GUID with the event...
435 static struct attribute **
436 alloc_group_attrs(ssize_t (*show)(struct ib_port *,
437 struct port_attribute *, char *buf),
440 struct attribute **tab_attr;
441 struct port_table_attribute *element;
444 tab_attr = kcalloc(1 + len, sizeof(struct attribute *), GFP_KERNEL);
448 for (i = 0; i < len; i++) {
449 element = kzalloc(sizeof(struct port_table_attribute),
454 if (snprintf(element->name, sizeof(element->name),
455 "%d", i) >= sizeof(element->name)) {
460 element->attr.attr.name = element->name;
461 element->attr.attr.mode = S_IRUGO;
462 element->attr.show = show;
465 tab_attr[i] = &element->attr.attr;
477 static int add_port(struct ib_device *device, int port_num)
480 struct ib_port_attr attr;
484 ret = ib_query_port(device, port_num, &attr);
488 p = kzalloc(sizeof *p, GFP_KERNEL);
493 p->port_num = port_num;
495 ret = kobject_init_and_add(&p->kobj, &port_type,
496 kobject_get(device->ports_parent),
501 ret = sysfs_create_group(&p->kobj, &pma_group);
505 p->gid_group.name = "gids";
506 p->gid_group.attrs = alloc_group_attrs(show_port_gid, attr.gid_tbl_len);
507 if (!p->gid_group.attrs)
510 ret = sysfs_create_group(&p->kobj, &p->gid_group);
514 p->pkey_group.name = "pkeys";
515 p->pkey_group.attrs = alloc_group_attrs(show_port_pkey,
517 if (!p->pkey_group.attrs)
520 ret = sysfs_create_group(&p->kobj, &p->pkey_group);
524 list_add_tail(&p->kobj.entry, &device->port_list);
526 kobject_uevent(&p->kobj, KOBJ_ADD);
530 for (i = 0; i < attr.pkey_tbl_len; ++i)
531 kfree(p->pkey_group.attrs[i]);
533 kfree(p->pkey_group.attrs);
536 sysfs_remove_group(&p->kobj, &p->gid_group);
539 for (i = 0; i < attr.gid_tbl_len; ++i)
540 kfree(p->gid_group.attrs[i]);
542 kfree(p->gid_group.attrs);
545 sysfs_remove_group(&p->kobj, &pma_group);
548 kobject_put(device->ports_parent);
553 static ssize_t show_node_type(struct device *device,
554 struct device_attribute *attr, char *buf)
556 struct ib_device *dev = container_of(device, struct ib_device, dev);
558 switch (dev->node_type) {
559 case RDMA_NODE_IB_CA: return sprintf(buf, "%d: CA\n", dev->node_type);
560 case RDMA_NODE_RNIC: return sprintf(buf, "%d: RNIC\n", dev->node_type);
561 case RDMA_NODE_IB_SWITCH: return sprintf(buf, "%d: switch\n", dev->node_type);
562 case RDMA_NODE_IB_ROUTER: return sprintf(buf, "%d: router\n", dev->node_type);
563 default: return sprintf(buf, "%d: <unknown>\n", dev->node_type);
567 static ssize_t show_sys_image_guid(struct device *device,
568 struct device_attribute *dev_attr, char *buf)
570 struct ib_device *dev = container_of(device, struct ib_device, dev);
571 struct ib_device_attr attr;
574 ret = ib_query_device(dev, &attr);
578 return sprintf(buf, "%04x:%04x:%04x:%04x\n",
579 be16_to_cpu(((__be16 *) &attr.sys_image_guid)[0]),
580 be16_to_cpu(((__be16 *) &attr.sys_image_guid)[1]),
581 be16_to_cpu(((__be16 *) &attr.sys_image_guid)[2]),
582 be16_to_cpu(((__be16 *) &attr.sys_image_guid)[3]));
585 static ssize_t show_node_guid(struct device *device,
586 struct device_attribute *attr, char *buf)
588 struct ib_device *dev = container_of(device, struct ib_device, dev);
590 return sprintf(buf, "%04x:%04x:%04x:%04x\n",
591 be16_to_cpu(((__be16 *) &dev->node_guid)[0]),
592 be16_to_cpu(((__be16 *) &dev->node_guid)[1]),
593 be16_to_cpu(((__be16 *) &dev->node_guid)[2]),
594 be16_to_cpu(((__be16 *) &dev->node_guid)[3]));
597 static ssize_t show_node_desc(struct device *device,
598 struct device_attribute *attr, char *buf)
600 struct ib_device *dev = container_of(device, struct ib_device, dev);
602 return sprintf(buf, "%.64s\n", dev->node_desc);
605 static ssize_t set_node_desc(struct device *device,
606 struct device_attribute *attr,
607 const char *buf, size_t count)
609 struct ib_device *dev = container_of(device, struct ib_device, dev);
610 struct ib_device_modify desc = {};
613 if (!dev->modify_device)
616 memcpy(desc.node_desc, buf, min_t(int, count, 64));
617 ret = ib_modify_device(dev, IB_DEVICE_MODIFY_NODE_DESC, &desc);
624 static DEVICE_ATTR(node_type, S_IRUGO, show_node_type, NULL);
625 static DEVICE_ATTR(sys_image_guid, S_IRUGO, show_sys_image_guid, NULL);
626 static DEVICE_ATTR(node_guid, S_IRUGO, show_node_guid, NULL);
627 static DEVICE_ATTR(node_desc, S_IRUGO | S_IWUSR, show_node_desc, set_node_desc);
629 static struct device_attribute *ib_class_attributes[] = {
631 &dev_attr_sys_image_guid,
636 static struct class ib_class = {
637 .name = "infiniband",
638 .dev_release = ib_device_release,
639 .dev_uevent = ib_device_uevent,
642 /* Show a given an attribute in the statistics group */
643 static ssize_t show_protocol_stat(const struct device *device,
644 struct device_attribute *attr, char *buf,
647 struct ib_device *dev = container_of(device, struct ib_device, dev);
648 union rdma_protocol_stats stats;
651 ret = dev->get_protocol_stats(dev, &stats);
655 return sprintf(buf, "%llu\n",
656 (unsigned long long) ((u64 *) &stats)[offset]);
659 /* generate a read-only iwarp statistics attribute */
660 #define IW_STATS_ENTRY(name) \
661 static ssize_t show_##name(struct device *device, \
662 struct device_attribute *attr, char *buf) \
664 return show_protocol_stat(device, attr, buf, \
665 offsetof(struct iw_protocol_stats, name) / \
668 static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL)
670 IW_STATS_ENTRY(ipInReceives);
671 IW_STATS_ENTRY(ipInHdrErrors);
672 IW_STATS_ENTRY(ipInTooBigErrors);
673 IW_STATS_ENTRY(ipInNoRoutes);
674 IW_STATS_ENTRY(ipInAddrErrors);
675 IW_STATS_ENTRY(ipInUnknownProtos);
676 IW_STATS_ENTRY(ipInTruncatedPkts);
677 IW_STATS_ENTRY(ipInDiscards);
678 IW_STATS_ENTRY(ipInDelivers);
679 IW_STATS_ENTRY(ipOutForwDatagrams);
680 IW_STATS_ENTRY(ipOutRequests);
681 IW_STATS_ENTRY(ipOutDiscards);
682 IW_STATS_ENTRY(ipOutNoRoutes);
683 IW_STATS_ENTRY(ipReasmTimeout);
684 IW_STATS_ENTRY(ipReasmReqds);
685 IW_STATS_ENTRY(ipReasmOKs);
686 IW_STATS_ENTRY(ipReasmFails);
687 IW_STATS_ENTRY(ipFragOKs);
688 IW_STATS_ENTRY(ipFragFails);
689 IW_STATS_ENTRY(ipFragCreates);
690 IW_STATS_ENTRY(ipInMcastPkts);
691 IW_STATS_ENTRY(ipOutMcastPkts);
692 IW_STATS_ENTRY(ipInBcastPkts);
693 IW_STATS_ENTRY(ipOutBcastPkts);
694 IW_STATS_ENTRY(tcpRtoAlgorithm);
695 IW_STATS_ENTRY(tcpRtoMin);
696 IW_STATS_ENTRY(tcpRtoMax);
697 IW_STATS_ENTRY(tcpMaxConn);
698 IW_STATS_ENTRY(tcpActiveOpens);
699 IW_STATS_ENTRY(tcpPassiveOpens);
700 IW_STATS_ENTRY(tcpAttemptFails);
701 IW_STATS_ENTRY(tcpEstabResets);
702 IW_STATS_ENTRY(tcpCurrEstab);
703 IW_STATS_ENTRY(tcpInSegs);
704 IW_STATS_ENTRY(tcpOutSegs);
705 IW_STATS_ENTRY(tcpRetransSegs);
706 IW_STATS_ENTRY(tcpInErrs);
707 IW_STATS_ENTRY(tcpOutRsts);
709 static struct attribute *iw_proto_stats_attrs[] = {
710 &dev_attr_ipInReceives.attr,
711 &dev_attr_ipInHdrErrors.attr,
712 &dev_attr_ipInTooBigErrors.attr,
713 &dev_attr_ipInNoRoutes.attr,
714 &dev_attr_ipInAddrErrors.attr,
715 &dev_attr_ipInUnknownProtos.attr,
716 &dev_attr_ipInTruncatedPkts.attr,
717 &dev_attr_ipInDiscards.attr,
718 &dev_attr_ipInDelivers.attr,
719 &dev_attr_ipOutForwDatagrams.attr,
720 &dev_attr_ipOutRequests.attr,
721 &dev_attr_ipOutDiscards.attr,
722 &dev_attr_ipOutNoRoutes.attr,
723 &dev_attr_ipReasmTimeout.attr,
724 &dev_attr_ipReasmReqds.attr,
725 &dev_attr_ipReasmOKs.attr,
726 &dev_attr_ipReasmFails.attr,
727 &dev_attr_ipFragOKs.attr,
728 &dev_attr_ipFragFails.attr,
729 &dev_attr_ipFragCreates.attr,
730 &dev_attr_ipInMcastPkts.attr,
731 &dev_attr_ipOutMcastPkts.attr,
732 &dev_attr_ipInBcastPkts.attr,
733 &dev_attr_ipOutBcastPkts.attr,
734 &dev_attr_tcpRtoAlgorithm.attr,
735 &dev_attr_tcpRtoMin.attr,
736 &dev_attr_tcpRtoMax.attr,
737 &dev_attr_tcpMaxConn.attr,
738 &dev_attr_tcpActiveOpens.attr,
739 &dev_attr_tcpPassiveOpens.attr,
740 &dev_attr_tcpAttemptFails.attr,
741 &dev_attr_tcpEstabResets.attr,
742 &dev_attr_tcpCurrEstab.attr,
743 &dev_attr_tcpInSegs.attr,
744 &dev_attr_tcpOutSegs.attr,
745 &dev_attr_tcpRetransSegs.attr,
746 &dev_attr_tcpInErrs.attr,
747 &dev_attr_tcpOutRsts.attr,
751 static struct attribute_group iw_stats_group = {
752 .name = "proto_stats",
753 .attrs = iw_proto_stats_attrs,
756 int ib_device_register_sysfs(struct ib_device *device)
758 struct device *class_dev = &device->dev;
762 class_dev->class = &ib_class;
763 class_dev->driver_data = device;
764 class_dev->parent = device->dma_device;
765 dev_set_name(class_dev, device->name);
767 INIT_LIST_HEAD(&device->port_list);
769 ret = device_register(class_dev);
773 for (i = 0; i < ARRAY_SIZE(ib_class_attributes); ++i) {
774 ret = device_create_file(class_dev, ib_class_attributes[i]);
779 device->ports_parent = kobject_create_and_add("ports",
780 kobject_get(&class_dev->kobj));
781 if (!device->ports_parent) {
786 if (device->node_type == RDMA_NODE_IB_SWITCH) {
787 ret = add_port(device, 0);
791 for (i = 1; i <= device->phys_port_cnt; ++i) {
792 ret = add_port(device, i);
798 if (device->node_type == RDMA_NODE_RNIC && device->get_protocol_stats) {
799 ret = sysfs_create_group(&class_dev->kobj, &iw_stats_group);
808 struct kobject *p, *t;
809 struct ib_port *port;
811 list_for_each_entry_safe(p, t, &device->port_list, entry) {
813 port = container_of(p, struct ib_port, kobj);
814 sysfs_remove_group(p, &pma_group);
815 sysfs_remove_group(p, &port->pkey_group);
816 sysfs_remove_group(p, &port->gid_group);
821 kobject_put(&class_dev->kobj);
824 device_unregister(class_dev);
830 void ib_device_unregister_sysfs(struct ib_device *device)
832 struct kobject *p, *t;
833 struct ib_port *port;
835 /* Hold kobject until ib_dealloc_device() */
836 kobject_get(&device->dev.kobj);
838 list_for_each_entry_safe(p, t, &device->port_list, entry) {
840 port = container_of(p, struct ib_port, kobj);
841 sysfs_remove_group(p, &pma_group);
842 sysfs_remove_group(p, &port->pkey_group);
843 sysfs_remove_group(p, &port->gid_group);
847 kobject_put(device->ports_parent);
848 device_unregister(&device->dev);
851 int ib_sysfs_setup(void)
853 return class_register(&ib_class);
856 void ib_sysfs_cleanup(void)
858 class_unregister(&ib_class);