Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. | |
2a1d9b7f RD |
3 | * Copyright (c) 2005 Mellanox Technologies Ltd. All rights reserved. |
4 | * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. | |
1da177e4 LT |
5 | * |
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: | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or | |
13 | * without modification, are permitted provided that the following | |
14 | * conditions are met: | |
15 | * | |
16 | * - Redistributions of source code must retain the above | |
17 | * copyright notice, this list of conditions and the following | |
18 | * disclaimer. | |
19 | * | |
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. | |
24 | * | |
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 | |
32 | * SOFTWARE. | |
1da177e4 LT |
33 | */ |
34 | ||
35 | #include "core_priv.h" | |
36 | ||
8c65b4a6 | 37 | #include <linux/slab.h> |
fc87af74 | 38 | #include <linux/stat.h> |
8c65b4a6 TS |
39 | #include <linux/string.h> |
40 | ||
a4d61e84 | 41 | #include <rdma/ib_mad.h> |
1da177e4 LT |
42 | |
43 | struct ib_port { | |
44 | struct kobject kobj; | |
45 | struct ib_device *ibdev; | |
46 | struct attribute_group gid_group; | |
1da177e4 | 47 | struct attribute_group pkey_group; |
1da177e4 LT |
48 | u8 port_num; |
49 | }; | |
50 | ||
51 | struct port_attribute { | |
52 | struct attribute attr; | |
53 | ssize_t (*show)(struct ib_port *, struct port_attribute *, char *buf); | |
54 | ssize_t (*store)(struct ib_port *, struct port_attribute *, | |
55 | const char *buf, size_t count); | |
56 | }; | |
57 | ||
58 | #define PORT_ATTR(_name, _mode, _show, _store) \ | |
59 | struct port_attribute port_attr_##_name = __ATTR(_name, _mode, _show, _store) | |
60 | ||
61 | #define PORT_ATTR_RO(_name) \ | |
62 | struct port_attribute port_attr_##_name = __ATTR_RO(_name) | |
63 | ||
64 | struct port_table_attribute { | |
d48593bf DT |
65 | struct port_attribute attr; |
66 | char name[8]; | |
67 | int index; | |
1da177e4 LT |
68 | }; |
69 | ||
70 | static ssize_t port_attr_show(struct kobject *kobj, | |
71 | struct attribute *attr, char *buf) | |
72 | { | |
73 | struct port_attribute *port_attr = | |
74 | container_of(attr, struct port_attribute, attr); | |
75 | struct ib_port *p = container_of(kobj, struct ib_port, kobj); | |
76 | ||
77 | if (!port_attr->show) | |
70f2817a | 78 | return -EIO; |
1da177e4 LT |
79 | |
80 | return port_attr->show(p, port_attr, buf); | |
81 | } | |
82 | ||
52cf25d0 | 83 | static const struct sysfs_ops port_sysfs_ops = { |
1da177e4 LT |
84 | .show = port_attr_show |
85 | }; | |
86 | ||
87 | static ssize_t state_show(struct ib_port *p, struct port_attribute *unused, | |
88 | char *buf) | |
89 | { | |
90 | struct ib_port_attr attr; | |
91 | ssize_t ret; | |
92 | ||
93 | static const char *state_name[] = { | |
94 | [IB_PORT_NOP] = "NOP", | |
95 | [IB_PORT_DOWN] = "DOWN", | |
96 | [IB_PORT_INIT] = "INIT", | |
97 | [IB_PORT_ARMED] = "ARMED", | |
98 | [IB_PORT_ACTIVE] = "ACTIVE", | |
99 | [IB_PORT_ACTIVE_DEFER] = "ACTIVE_DEFER" | |
100 | }; | |
101 | ||
102 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
103 | if (ret) | |
104 | return ret; | |
105 | ||
106 | return sprintf(buf, "%d: %s\n", attr.state, | |
048975ac | 107 | attr.state >= 0 && attr.state < ARRAY_SIZE(state_name) ? |
1da177e4 LT |
108 | state_name[attr.state] : "UNKNOWN"); |
109 | } | |
110 | ||
111 | static ssize_t lid_show(struct ib_port *p, struct port_attribute *unused, | |
112 | char *buf) | |
113 | { | |
114 | struct ib_port_attr attr; | |
115 | ssize_t ret; | |
116 | ||
117 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
118 | if (ret) | |
119 | return ret; | |
120 | ||
121 | return sprintf(buf, "0x%x\n", attr.lid); | |
122 | } | |
123 | ||
124 | static ssize_t lid_mask_count_show(struct ib_port *p, | |
125 | struct port_attribute *unused, | |
126 | char *buf) | |
127 | { | |
128 | struct ib_port_attr attr; | |
129 | ssize_t ret; | |
130 | ||
131 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
132 | if (ret) | |
133 | return ret; | |
134 | ||
135 | return sprintf(buf, "%d\n", attr.lmc); | |
136 | } | |
137 | ||
138 | static ssize_t sm_lid_show(struct ib_port *p, struct port_attribute *unused, | |
139 | char *buf) | |
140 | { | |
141 | struct ib_port_attr attr; | |
142 | ssize_t ret; | |
143 | ||
144 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
145 | if (ret) | |
146 | return ret; | |
147 | ||
148 | return sprintf(buf, "0x%x\n", attr.sm_lid); | |
149 | } | |
150 | ||
151 | static ssize_t sm_sl_show(struct ib_port *p, struct port_attribute *unused, | |
152 | char *buf) | |
153 | { | |
154 | struct ib_port_attr attr; | |
155 | ssize_t ret; | |
156 | ||
157 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
158 | if (ret) | |
159 | return ret; | |
160 | ||
161 | return sprintf(buf, "%d\n", attr.sm_sl); | |
162 | } | |
163 | ||
164 | static ssize_t cap_mask_show(struct ib_port *p, struct port_attribute *unused, | |
165 | char *buf) | |
166 | { | |
167 | struct ib_port_attr attr; | |
168 | ssize_t ret; | |
169 | ||
170 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
171 | if (ret) | |
172 | return ret; | |
173 | ||
174 | return sprintf(buf, "0x%08x\n", attr.port_cap_flags); | |
175 | } | |
176 | ||
177 | static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused, | |
178 | char *buf) | |
179 | { | |
180 | struct ib_port_attr attr; | |
181 | char *speed = ""; | |
0559d8dc | 182 | int rate; /* in deci-Gb/sec */ |
1da177e4 LT |
183 | ssize_t ret; |
184 | ||
185 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
186 | if (ret) | |
187 | return ret; | |
188 | ||
189 | switch (attr.active_speed) { | |
2e96691c | 190 | case IB_SPEED_DDR: |
71eeba16 | 191 | speed = " DDR"; |
e9319b0c | 192 | rate = 50; |
71eeba16 | 193 | break; |
2e96691c | 194 | case IB_SPEED_QDR: |
71eeba16 | 195 | speed = " QDR"; |
e9319b0c | 196 | rate = 100; |
71eeba16 | 197 | break; |
2e96691c | 198 | case IB_SPEED_FDR10: |
71eeba16 | 199 | speed = " FDR10"; |
e9319b0c | 200 | rate = 100; |
71eeba16 | 201 | break; |
2e96691c | 202 | case IB_SPEED_FDR: |
71eeba16 | 203 | speed = " FDR"; |
e9319b0c | 204 | rate = 140; |
71eeba16 | 205 | break; |
2e96691c | 206 | case IB_SPEED_EDR: |
71eeba16 | 207 | speed = " EDR"; |
e9319b0c | 208 | rate = 250; |
71eeba16 | 209 | break; |
0559d8dc RD |
210 | case IB_SPEED_SDR: |
211 | default: /* default to SDR for invalid rates */ | |
212 | rate = 25; | |
213 | break; | |
1da177e4 LT |
214 | } |
215 | ||
71eeba16 | 216 | rate *= ib_width_enum_to_int(attr.active_width); |
1da177e4 LT |
217 | if (rate < 0) |
218 | return -EINVAL; | |
219 | ||
220 | return sprintf(buf, "%d%s Gb/sec (%dX%s)\n", | |
e9319b0c | 221 | rate / 10, rate % 10 ? ".5" : "", |
1da177e4 LT |
222 | ib_width_enum_to_int(attr.active_width), speed); |
223 | } | |
224 | ||
225 | static ssize_t phys_state_show(struct ib_port *p, struct port_attribute *unused, | |
226 | char *buf) | |
227 | { | |
228 | struct ib_port_attr attr; | |
229 | ||
230 | ssize_t ret; | |
231 | ||
232 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
233 | if (ret) | |
234 | return ret; | |
235 | ||
236 | switch (attr.phys_state) { | |
237 | case 1: return sprintf(buf, "1: Sleep\n"); | |
238 | case 2: return sprintf(buf, "2: Polling\n"); | |
239 | case 3: return sprintf(buf, "3: Disabled\n"); | |
240 | case 4: return sprintf(buf, "4: PortConfigurationTraining\n"); | |
241 | case 5: return sprintf(buf, "5: LinkUp\n"); | |
242 | case 6: return sprintf(buf, "6: LinkErrorRecovery\n"); | |
243 | case 7: return sprintf(buf, "7: Phy Test\n"); | |
244 | default: return sprintf(buf, "%d: <unknown>\n", attr.phys_state); | |
245 | } | |
246 | } | |
247 | ||
8ad330a0 EC |
248 | static ssize_t link_layer_show(struct ib_port *p, struct port_attribute *unused, |
249 | char *buf) | |
250 | { | |
251 | switch (rdma_port_get_link_layer(p->ibdev, p->port_num)) { | |
252 | case IB_LINK_LAYER_INFINIBAND: | |
253 | return sprintf(buf, "%s\n", "InfiniBand"); | |
254 | case IB_LINK_LAYER_ETHERNET: | |
255 | return sprintf(buf, "%s\n", "Ethernet"); | |
256 | default: | |
257 | return sprintf(buf, "%s\n", "Unknown"); | |
258 | } | |
259 | } | |
260 | ||
1da177e4 LT |
261 | static PORT_ATTR_RO(state); |
262 | static PORT_ATTR_RO(lid); | |
263 | static PORT_ATTR_RO(lid_mask_count); | |
264 | static PORT_ATTR_RO(sm_lid); | |
265 | static PORT_ATTR_RO(sm_sl); | |
266 | static PORT_ATTR_RO(cap_mask); | |
267 | static PORT_ATTR_RO(rate); | |
268 | static PORT_ATTR_RO(phys_state); | |
8ad330a0 | 269 | static PORT_ATTR_RO(link_layer); |
1da177e4 LT |
270 | |
271 | static struct attribute *port_default_attrs[] = { | |
272 | &port_attr_state.attr, | |
273 | &port_attr_lid.attr, | |
274 | &port_attr_lid_mask_count.attr, | |
275 | &port_attr_sm_lid.attr, | |
276 | &port_attr_sm_sl.attr, | |
277 | &port_attr_cap_mask.attr, | |
278 | &port_attr_rate.attr, | |
279 | &port_attr_phys_state.attr, | |
8ad330a0 | 280 | &port_attr_link_layer.attr, |
1da177e4 LT |
281 | NULL |
282 | }; | |
283 | ||
284 | static ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr, | |
285 | char *buf) | |
286 | { | |
287 | struct port_table_attribute *tab_attr = | |
288 | container_of(attr, struct port_table_attribute, attr); | |
289 | union ib_gid gid; | |
290 | ssize_t ret; | |
291 | ||
292 | ret = ib_query_gid(p->ibdev, p->port_num, tab_attr->index, &gid); | |
293 | if (ret) | |
294 | return ret; | |
295 | ||
5b095d98 | 296 | return sprintf(buf, "%pI6\n", gid.raw); |
1da177e4 LT |
297 | } |
298 | ||
299 | static ssize_t show_port_pkey(struct ib_port *p, struct port_attribute *attr, | |
300 | char *buf) | |
301 | { | |
302 | struct port_table_attribute *tab_attr = | |
303 | container_of(attr, struct port_table_attribute, attr); | |
304 | u16 pkey; | |
305 | ssize_t ret; | |
306 | ||
307 | ret = ib_query_pkey(p->ibdev, p->port_num, tab_attr->index, &pkey); | |
308 | if (ret) | |
309 | return ret; | |
310 | ||
311 | return sprintf(buf, "0x%04x\n", pkey); | |
312 | } | |
313 | ||
314 | #define PORT_PMA_ATTR(_name, _counter, _width, _offset) \ | |
315 | struct port_table_attribute port_pma_attr_##_name = { \ | |
316 | .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \ | |
317 | .index = (_offset) | ((_width) << 16) | ((_counter) << 24) \ | |
318 | } | |
319 | ||
320 | static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr, | |
321 | char *buf) | |
322 | { | |
323 | struct port_table_attribute *tab_attr = | |
324 | container_of(attr, struct port_table_attribute, attr); | |
325 | int offset = tab_attr->index & 0xffff; | |
326 | int width = (tab_attr->index >> 16) & 0xff; | |
327 | struct ib_mad *in_mad = NULL; | |
328 | struct ib_mad *out_mad = NULL; | |
329 | ssize_t ret; | |
330 | ||
331 | if (!p->ibdev->process_mad) | |
332 | return sprintf(buf, "N/A (no PMA)\n"); | |
333 | ||
de6eb66b | 334 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); |
856c52a7 | 335 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); |
1da177e4 LT |
336 | if (!in_mad || !out_mad) { |
337 | ret = -ENOMEM; | |
338 | goto out; | |
339 | } | |
340 | ||
1da177e4 LT |
341 | in_mad->mad_hdr.base_version = 1; |
342 | in_mad->mad_hdr.mgmt_class = IB_MGMT_CLASS_PERF_MGMT; | |
343 | in_mad->mad_hdr.class_version = 1; | |
344 | in_mad->mad_hdr.method = IB_MGMT_METHOD_GET; | |
345 | in_mad->mad_hdr.attr_id = cpu_to_be16(0x12); /* PortCounters */ | |
346 | ||
347 | in_mad->data[41] = p->port_num; /* PortSelect field */ | |
348 | ||
349 | if ((p->ibdev->process_mad(p->ibdev, IB_MAD_IGNORE_MKEY, | |
350 | p->port_num, NULL, NULL, in_mad, out_mad) & | |
351 | (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) != | |
352 | (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) { | |
353 | ret = -EINVAL; | |
354 | goto out; | |
355 | } | |
356 | ||
357 | switch (width) { | |
358 | case 4: | |
359 | ret = sprintf(buf, "%u\n", (out_mad->data[40 + offset / 8] >> | |
d8b9f23b | 360 | (4 - (offset % 8))) & 0xf); |
1da177e4 LT |
361 | break; |
362 | case 8: | |
363 | ret = sprintf(buf, "%u\n", out_mad->data[40 + offset / 8]); | |
364 | break; | |
365 | case 16: | |
366 | ret = sprintf(buf, "%u\n", | |
97f52eb4 | 367 | be16_to_cpup((__be16 *)(out_mad->data + 40 + offset / 8))); |
1da177e4 LT |
368 | break; |
369 | case 32: | |
370 | ret = sprintf(buf, "%u\n", | |
97f52eb4 | 371 | be32_to_cpup((__be32 *)(out_mad->data + 40 + offset / 8))); |
1da177e4 LT |
372 | break; |
373 | default: | |
374 | ret = 0; | |
375 | } | |
376 | ||
377 | out: | |
378 | kfree(in_mad); | |
379 | kfree(out_mad); | |
380 | ||
381 | return ret; | |
382 | } | |
383 | ||
384 | static PORT_PMA_ATTR(symbol_error , 0, 16, 32); | |
385 | static PORT_PMA_ATTR(link_error_recovery , 1, 8, 48); | |
386 | static PORT_PMA_ATTR(link_downed , 2, 8, 56); | |
387 | static PORT_PMA_ATTR(port_rcv_errors , 3, 16, 64); | |
388 | static PORT_PMA_ATTR(port_rcv_remote_physical_errors, 4, 16, 80); | |
389 | static PORT_PMA_ATTR(port_rcv_switch_relay_errors , 5, 16, 96); | |
390 | static PORT_PMA_ATTR(port_xmit_discards , 6, 16, 112); | |
391 | static PORT_PMA_ATTR(port_xmit_constraint_errors , 7, 8, 128); | |
392 | static PORT_PMA_ATTR(port_rcv_constraint_errors , 8, 8, 136); | |
393 | static PORT_PMA_ATTR(local_link_integrity_errors , 9, 4, 152); | |
394 | static PORT_PMA_ATTR(excessive_buffer_overrun_errors, 10, 4, 156); | |
395 | static PORT_PMA_ATTR(VL15_dropped , 11, 16, 176); | |
396 | static PORT_PMA_ATTR(port_xmit_data , 12, 32, 192); | |
397 | static PORT_PMA_ATTR(port_rcv_data , 13, 32, 224); | |
398 | static PORT_PMA_ATTR(port_xmit_packets , 14, 32, 256); | |
399 | static PORT_PMA_ATTR(port_rcv_packets , 15, 32, 288); | |
400 | ||
401 | static struct attribute *pma_attrs[] = { | |
402 | &port_pma_attr_symbol_error.attr.attr, | |
403 | &port_pma_attr_link_error_recovery.attr.attr, | |
404 | &port_pma_attr_link_downed.attr.attr, | |
405 | &port_pma_attr_port_rcv_errors.attr.attr, | |
406 | &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, | |
407 | &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, | |
408 | &port_pma_attr_port_xmit_discards.attr.attr, | |
409 | &port_pma_attr_port_xmit_constraint_errors.attr.attr, | |
410 | &port_pma_attr_port_rcv_constraint_errors.attr.attr, | |
411 | &port_pma_attr_local_link_integrity_errors.attr.attr, | |
412 | &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, | |
413 | &port_pma_attr_VL15_dropped.attr.attr, | |
414 | &port_pma_attr_port_xmit_data.attr.attr, | |
415 | &port_pma_attr_port_rcv_data.attr.attr, | |
416 | &port_pma_attr_port_xmit_packets.attr.attr, | |
417 | &port_pma_attr_port_rcv_packets.attr.attr, | |
418 | NULL | |
419 | }; | |
420 | ||
421 | static struct attribute_group pma_group = { | |
422 | .name = "counters", | |
423 | .attrs = pma_attrs | |
424 | }; | |
425 | ||
426 | static void ib_port_release(struct kobject *kobj) | |
427 | { | |
428 | struct ib_port *p = container_of(kobj, struct ib_port, kobj); | |
429 | struct attribute *a; | |
430 | int i; | |
431 | ||
d48593bf | 432 | for (i = 0; (a = p->gid_group.attrs[i]); ++i) |
1da177e4 | 433 | kfree(a); |
1da177e4 | 434 | |
d48593bf DT |
435 | kfree(p->gid_group.attrs); |
436 | ||
437 | for (i = 0; (a = p->pkey_group.attrs[i]); ++i) | |
1da177e4 | 438 | kfree(a); |
1da177e4 | 439 | |
d48593bf DT |
440 | kfree(p->pkey_group.attrs); |
441 | ||
1da177e4 LT |
442 | kfree(p); |
443 | } | |
444 | ||
445 | static struct kobj_type port_type = { | |
446 | .release = ib_port_release, | |
447 | .sysfs_ops = &port_sysfs_ops, | |
448 | .default_attrs = port_default_attrs | |
449 | }; | |
450 | ||
f4e91eb4 | 451 | static void ib_device_release(struct device *device) |
1da177e4 | 452 | { |
f4e91eb4 | 453 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
1da177e4 LT |
454 | |
455 | kfree(dev); | |
456 | } | |
457 | ||
f4e91eb4 | 458 | static int ib_device_uevent(struct device *device, |
7eff2e7a | 459 | struct kobj_uevent_env *env) |
1da177e4 | 460 | { |
f4e91eb4 | 461 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
1da177e4 | 462 | |
7eff2e7a | 463 | if (add_uevent_var(env, "NAME=%s", dev->name)) |
1da177e4 LT |
464 | return -ENOMEM; |
465 | ||
466 | /* | |
cf311cd4 | 467 | * It would be nice to pass the node GUID with the event... |
1da177e4 LT |
468 | */ |
469 | ||
1da177e4 LT |
470 | return 0; |
471 | } | |
472 | ||
d48593bf DT |
473 | static struct attribute ** |
474 | alloc_group_attrs(ssize_t (*show)(struct ib_port *, | |
475 | struct port_attribute *, char *buf), | |
476 | int len) | |
1da177e4 | 477 | { |
d48593bf DT |
478 | struct attribute **tab_attr; |
479 | struct port_table_attribute *element; | |
1da177e4 | 480 | int i; |
1da177e4 | 481 | |
d48593bf DT |
482 | tab_attr = kcalloc(1 + len, sizeof(struct attribute *), GFP_KERNEL); |
483 | if (!tab_attr) | |
484 | return NULL; | |
1da177e4 | 485 | |
d48593bf | 486 | for (i = 0; i < len; i++) { |
82ca76b6 | 487 | element = kzalloc(sizeof(struct port_table_attribute), |
d48593bf DT |
488 | GFP_KERNEL); |
489 | if (!element) | |
1da177e4 | 490 | goto err; |
1da177e4 | 491 | |
d48593bf | 492 | if (snprintf(element->name, sizeof(element->name), |
048975ac RD |
493 | "%d", i) >= sizeof(element->name)) { |
494 | kfree(element); | |
1da177e4 | 495 | goto err; |
048975ac | 496 | } |
1da177e4 | 497 | |
d48593bf DT |
498 | element->attr.attr.name = element->name; |
499 | element->attr.attr.mode = S_IRUGO; | |
d48593bf DT |
500 | element->attr.show = show; |
501 | element->index = i; | |
21e3bde9 | 502 | sysfs_attr_init(&element->attr.attr); |
1da177e4 | 503 | |
d48593bf | 504 | tab_attr[i] = &element->attr.attr; |
1da177e4 LT |
505 | } |
506 | ||
d48593bf | 507 | return tab_attr; |
1da177e4 | 508 | |
d48593bf DT |
509 | err: |
510 | while (--i >= 0) | |
511 | kfree(tab_attr[i]); | |
512 | kfree(tab_attr); | |
513 | return NULL; | |
1da177e4 LT |
514 | } |
515 | ||
9a6edb60 RC |
516 | static int add_port(struct ib_device *device, int port_num, |
517 | int (*port_callback)(struct ib_device *, | |
518 | u8, struct kobject *)) | |
1da177e4 LT |
519 | { |
520 | struct ib_port *p; | |
521 | struct ib_port_attr attr; | |
522 | int i; | |
523 | int ret; | |
524 | ||
525 | ret = ib_query_port(device, port_num, &attr); | |
526 | if (ret) | |
527 | return ret; | |
528 | ||
de6eb66b | 529 | p = kzalloc(sizeof *p, GFP_KERNEL); |
1da177e4 LT |
530 | if (!p) |
531 | return -ENOMEM; | |
1da177e4 LT |
532 | |
533 | p->ibdev = device; | |
534 | p->port_num = port_num; | |
1da177e4 | 535 | |
35be0681 GKH |
536 | ret = kobject_init_and_add(&p->kobj, &port_type, |
537 | kobject_get(device->ports_parent), | |
538 | "%d", port_num); | |
1da177e4 LT |
539 | if (ret) |
540 | goto err_put; | |
541 | ||
542 | ret = sysfs_create_group(&p->kobj, &pma_group); | |
543 | if (ret) | |
544 | goto err_put; | |
545 | ||
1da177e4 | 546 | p->gid_group.name = "gids"; |
d48593bf DT |
547 | p->gid_group.attrs = alloc_group_attrs(show_port_gid, attr.gid_tbl_len); |
548 | if (!p->gid_group.attrs) | |
549 | goto err_remove_pma; | |
1da177e4 LT |
550 | |
551 | ret = sysfs_create_group(&p->kobj, &p->gid_group); | |
552 | if (ret) | |
553 | goto err_free_gid; | |
554 | ||
1da177e4 | 555 | p->pkey_group.name = "pkeys"; |
d48593bf DT |
556 | p->pkey_group.attrs = alloc_group_attrs(show_port_pkey, |
557 | attr.pkey_tbl_len); | |
558 | if (!p->pkey_group.attrs) | |
559 | goto err_remove_gid; | |
1da177e4 LT |
560 | |
561 | ret = sysfs_create_group(&p->kobj, &p->pkey_group); | |
562 | if (ret) | |
563 | goto err_free_pkey; | |
564 | ||
9a6edb60 RC |
565 | if (port_callback) { |
566 | ret = port_callback(device, port_num, &p->kobj); | |
567 | if (ret) | |
568 | goto err_remove_pkey; | |
569 | } | |
570 | ||
1da177e4 LT |
571 | list_add_tail(&p->kobj.entry, &device->port_list); |
572 | ||
35be0681 | 573 | kobject_uevent(&p->kobj, KOBJ_ADD); |
1da177e4 LT |
574 | return 0; |
575 | ||
9a6edb60 RC |
576 | err_remove_pkey: |
577 | sysfs_remove_group(&p->kobj, &p->pkey_group); | |
578 | ||
1da177e4 | 579 | err_free_pkey: |
d48593bf DT |
580 | for (i = 0; i < attr.pkey_tbl_len; ++i) |
581 | kfree(p->pkey_group.attrs[i]); | |
1da177e4 | 582 | |
d48593bf | 583 | kfree(p->pkey_group.attrs); |
1da177e4 LT |
584 | |
585 | err_remove_gid: | |
586 | sysfs_remove_group(&p->kobj, &p->gid_group); | |
587 | ||
588 | err_free_gid: | |
d48593bf DT |
589 | for (i = 0; i < attr.gid_tbl_len; ++i) |
590 | kfree(p->gid_group.attrs[i]); | |
1da177e4 | 591 | |
d48593bf | 592 | kfree(p->gid_group.attrs); |
1da177e4 LT |
593 | |
594 | err_remove_pma: | |
595 | sysfs_remove_group(&p->kobj, &pma_group); | |
596 | ||
597 | err_put: | |
35be0681 | 598 | kobject_put(device->ports_parent); |
1da177e4 LT |
599 | kfree(p); |
600 | return ret; | |
601 | } | |
602 | ||
f4e91eb4 TJ |
603 | static ssize_t show_node_type(struct device *device, |
604 | struct device_attribute *attr, char *buf) | |
1da177e4 | 605 | { |
f4e91eb4 | 606 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
1da177e4 LT |
607 | |
608 | switch (dev->node_type) { | |
07ebafba TT |
609 | case RDMA_NODE_IB_CA: return sprintf(buf, "%d: CA\n", dev->node_type); |
610 | case RDMA_NODE_RNIC: return sprintf(buf, "%d: RNIC\n", dev->node_type); | |
611 | case RDMA_NODE_IB_SWITCH: return sprintf(buf, "%d: switch\n", dev->node_type); | |
612 | case RDMA_NODE_IB_ROUTER: return sprintf(buf, "%d: router\n", dev->node_type); | |
613 | default: return sprintf(buf, "%d: <unknown>\n", dev->node_type); | |
1da177e4 LT |
614 | } |
615 | } | |
616 | ||
f4e91eb4 TJ |
617 | static ssize_t show_sys_image_guid(struct device *device, |
618 | struct device_attribute *dev_attr, char *buf) | |
1da177e4 | 619 | { |
f4e91eb4 | 620 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
1da177e4 LT |
621 | struct ib_device_attr attr; |
622 | ssize_t ret; | |
623 | ||
624 | ret = ib_query_device(dev, &attr); | |
625 | if (ret) | |
626 | return ret; | |
627 | ||
628 | return sprintf(buf, "%04x:%04x:%04x:%04x\n", | |
97f52eb4 SH |
629 | be16_to_cpu(((__be16 *) &attr.sys_image_guid)[0]), |
630 | be16_to_cpu(((__be16 *) &attr.sys_image_guid)[1]), | |
631 | be16_to_cpu(((__be16 *) &attr.sys_image_guid)[2]), | |
632 | be16_to_cpu(((__be16 *) &attr.sys_image_guid)[3])); | |
1da177e4 LT |
633 | } |
634 | ||
f4e91eb4 TJ |
635 | static ssize_t show_node_guid(struct device *device, |
636 | struct device_attribute *attr, char *buf) | |
1da177e4 | 637 | { |
f4e91eb4 | 638 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
1da177e4 | 639 | |
1da177e4 | 640 | return sprintf(buf, "%04x:%04x:%04x:%04x\n", |
cf311cd4 SH |
641 | be16_to_cpu(((__be16 *) &dev->node_guid)[0]), |
642 | be16_to_cpu(((__be16 *) &dev->node_guid)[1]), | |
643 | be16_to_cpu(((__be16 *) &dev->node_guid)[2]), | |
644 | be16_to_cpu(((__be16 *) &dev->node_guid)[3])); | |
1da177e4 LT |
645 | } |
646 | ||
f4e91eb4 TJ |
647 | static ssize_t show_node_desc(struct device *device, |
648 | struct device_attribute *attr, char *buf) | |
c5bcbbb9 | 649 | { |
f4e91eb4 | 650 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
c5bcbbb9 RD |
651 | |
652 | return sprintf(buf, "%.64s\n", dev->node_desc); | |
653 | } | |
654 | ||
f4e91eb4 TJ |
655 | static ssize_t set_node_desc(struct device *device, |
656 | struct device_attribute *attr, | |
657 | const char *buf, size_t count) | |
c5bcbbb9 | 658 | { |
f4e91eb4 | 659 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
c5bcbbb9 RD |
660 | struct ib_device_modify desc = {}; |
661 | int ret; | |
662 | ||
663 | if (!dev->modify_device) | |
664 | return -EIO; | |
665 | ||
666 | memcpy(desc.node_desc, buf, min_t(int, count, 64)); | |
667 | ret = ib_modify_device(dev, IB_DEVICE_MODIFY_NODE_DESC, &desc); | |
668 | if (ret) | |
669 | return ret; | |
670 | ||
671 | return count; | |
672 | } | |
673 | ||
f4e91eb4 TJ |
674 | static DEVICE_ATTR(node_type, S_IRUGO, show_node_type, NULL); |
675 | static DEVICE_ATTR(sys_image_guid, S_IRUGO, show_sys_image_guid, NULL); | |
676 | static DEVICE_ATTR(node_guid, S_IRUGO, show_node_guid, NULL); | |
677 | static DEVICE_ATTR(node_desc, S_IRUGO | S_IWUSR, show_node_desc, set_node_desc); | |
678 | ||
679 | static struct device_attribute *ib_class_attributes[] = { | |
680 | &dev_attr_node_type, | |
681 | &dev_attr_sys_image_guid, | |
682 | &dev_attr_node_guid, | |
683 | &dev_attr_node_desc | |
1da177e4 LT |
684 | }; |
685 | ||
686 | static struct class ib_class = { | |
687 | .name = "infiniband", | |
f4e91eb4 TJ |
688 | .dev_release = ib_device_release, |
689 | .dev_uevent = ib_device_uevent, | |
1da177e4 LT |
690 | }; |
691 | ||
7f624d02 SW |
692 | /* Show a given an attribute in the statistics group */ |
693 | static ssize_t show_protocol_stat(const struct device *device, | |
694 | struct device_attribute *attr, char *buf, | |
695 | unsigned offset) | |
696 | { | |
697 | struct ib_device *dev = container_of(device, struct ib_device, dev); | |
698 | union rdma_protocol_stats stats; | |
699 | ssize_t ret; | |
700 | ||
701 | ret = dev->get_protocol_stats(dev, &stats); | |
702 | if (ret) | |
703 | return ret; | |
704 | ||
705 | return sprintf(buf, "%llu\n", | |
706 | (unsigned long long) ((u64 *) &stats)[offset]); | |
707 | } | |
708 | ||
709 | /* generate a read-only iwarp statistics attribute */ | |
710 | #define IW_STATS_ENTRY(name) \ | |
711 | static ssize_t show_##name(struct device *device, \ | |
712 | struct device_attribute *attr, char *buf) \ | |
713 | { \ | |
714 | return show_protocol_stat(device, attr, buf, \ | |
715 | offsetof(struct iw_protocol_stats, name) / \ | |
716 | sizeof (u64)); \ | |
717 | } \ | |
718 | static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) | |
719 | ||
720 | IW_STATS_ENTRY(ipInReceives); | |
721 | IW_STATS_ENTRY(ipInHdrErrors); | |
722 | IW_STATS_ENTRY(ipInTooBigErrors); | |
723 | IW_STATS_ENTRY(ipInNoRoutes); | |
724 | IW_STATS_ENTRY(ipInAddrErrors); | |
725 | IW_STATS_ENTRY(ipInUnknownProtos); | |
726 | IW_STATS_ENTRY(ipInTruncatedPkts); | |
727 | IW_STATS_ENTRY(ipInDiscards); | |
728 | IW_STATS_ENTRY(ipInDelivers); | |
729 | IW_STATS_ENTRY(ipOutForwDatagrams); | |
730 | IW_STATS_ENTRY(ipOutRequests); | |
731 | IW_STATS_ENTRY(ipOutDiscards); | |
732 | IW_STATS_ENTRY(ipOutNoRoutes); | |
733 | IW_STATS_ENTRY(ipReasmTimeout); | |
734 | IW_STATS_ENTRY(ipReasmReqds); | |
735 | IW_STATS_ENTRY(ipReasmOKs); | |
736 | IW_STATS_ENTRY(ipReasmFails); | |
737 | IW_STATS_ENTRY(ipFragOKs); | |
738 | IW_STATS_ENTRY(ipFragFails); | |
739 | IW_STATS_ENTRY(ipFragCreates); | |
740 | IW_STATS_ENTRY(ipInMcastPkts); | |
741 | IW_STATS_ENTRY(ipOutMcastPkts); | |
742 | IW_STATS_ENTRY(ipInBcastPkts); | |
743 | IW_STATS_ENTRY(ipOutBcastPkts); | |
744 | IW_STATS_ENTRY(tcpRtoAlgorithm); | |
745 | IW_STATS_ENTRY(tcpRtoMin); | |
746 | IW_STATS_ENTRY(tcpRtoMax); | |
747 | IW_STATS_ENTRY(tcpMaxConn); | |
748 | IW_STATS_ENTRY(tcpActiveOpens); | |
749 | IW_STATS_ENTRY(tcpPassiveOpens); | |
750 | IW_STATS_ENTRY(tcpAttemptFails); | |
751 | IW_STATS_ENTRY(tcpEstabResets); | |
752 | IW_STATS_ENTRY(tcpCurrEstab); | |
753 | IW_STATS_ENTRY(tcpInSegs); | |
754 | IW_STATS_ENTRY(tcpOutSegs); | |
755 | IW_STATS_ENTRY(tcpRetransSegs); | |
756 | IW_STATS_ENTRY(tcpInErrs); | |
757 | IW_STATS_ENTRY(tcpOutRsts); | |
758 | ||
759 | static struct attribute *iw_proto_stats_attrs[] = { | |
760 | &dev_attr_ipInReceives.attr, | |
761 | &dev_attr_ipInHdrErrors.attr, | |
762 | &dev_attr_ipInTooBigErrors.attr, | |
763 | &dev_attr_ipInNoRoutes.attr, | |
764 | &dev_attr_ipInAddrErrors.attr, | |
765 | &dev_attr_ipInUnknownProtos.attr, | |
766 | &dev_attr_ipInTruncatedPkts.attr, | |
767 | &dev_attr_ipInDiscards.attr, | |
768 | &dev_attr_ipInDelivers.attr, | |
769 | &dev_attr_ipOutForwDatagrams.attr, | |
770 | &dev_attr_ipOutRequests.attr, | |
771 | &dev_attr_ipOutDiscards.attr, | |
772 | &dev_attr_ipOutNoRoutes.attr, | |
773 | &dev_attr_ipReasmTimeout.attr, | |
774 | &dev_attr_ipReasmReqds.attr, | |
775 | &dev_attr_ipReasmOKs.attr, | |
776 | &dev_attr_ipReasmFails.attr, | |
777 | &dev_attr_ipFragOKs.attr, | |
778 | &dev_attr_ipFragFails.attr, | |
779 | &dev_attr_ipFragCreates.attr, | |
780 | &dev_attr_ipInMcastPkts.attr, | |
781 | &dev_attr_ipOutMcastPkts.attr, | |
782 | &dev_attr_ipInBcastPkts.attr, | |
783 | &dev_attr_ipOutBcastPkts.attr, | |
784 | &dev_attr_tcpRtoAlgorithm.attr, | |
785 | &dev_attr_tcpRtoMin.attr, | |
786 | &dev_attr_tcpRtoMax.attr, | |
787 | &dev_attr_tcpMaxConn.attr, | |
788 | &dev_attr_tcpActiveOpens.attr, | |
789 | &dev_attr_tcpPassiveOpens.attr, | |
790 | &dev_attr_tcpAttemptFails.attr, | |
791 | &dev_attr_tcpEstabResets.attr, | |
792 | &dev_attr_tcpCurrEstab.attr, | |
793 | &dev_attr_tcpInSegs.attr, | |
794 | &dev_attr_tcpOutSegs.attr, | |
795 | &dev_attr_tcpRetransSegs.attr, | |
796 | &dev_attr_tcpInErrs.attr, | |
797 | &dev_attr_tcpOutRsts.attr, | |
798 | NULL | |
799 | }; | |
800 | ||
801 | static struct attribute_group iw_stats_group = { | |
802 | .name = "proto_stats", | |
803 | .attrs = iw_proto_stats_attrs, | |
804 | }; | |
805 | ||
9a6edb60 RC |
806 | int ib_device_register_sysfs(struct ib_device *device, |
807 | int (*port_callback)(struct ib_device *, | |
808 | u8, struct kobject *)) | |
1da177e4 | 809 | { |
f4e91eb4 | 810 | struct device *class_dev = &device->dev; |
1da177e4 LT |
811 | int ret; |
812 | int i; | |
813 | ||
814 | class_dev->class = &ib_class; | |
f4e91eb4 | 815 | class_dev->parent = device->dma_device; |
d927e38c | 816 | dev_set_name(class_dev, device->name); |
3f7c58a0 | 817 | dev_set_drvdata(class_dev, device); |
1da177e4 LT |
818 | |
819 | INIT_LIST_HEAD(&device->port_list); | |
820 | ||
f4e91eb4 | 821 | ret = device_register(class_dev); |
1da177e4 LT |
822 | if (ret) |
823 | goto err; | |
824 | ||
825 | for (i = 0; i < ARRAY_SIZE(ib_class_attributes); ++i) { | |
f4e91eb4 | 826 | ret = device_create_file(class_dev, ib_class_attributes[i]); |
1da177e4 LT |
827 | if (ret) |
828 | goto err_unregister; | |
829 | } | |
830 | ||
35be0681 GKH |
831 | device->ports_parent = kobject_create_and_add("ports", |
832 | kobject_get(&class_dev->kobj)); | |
c7482b81 LZ |
833 | if (!device->ports_parent) { |
834 | ret = -ENOMEM; | |
1da177e4 | 835 | goto err_put; |
c7482b81 | 836 | } |
1da177e4 | 837 | |
07ebafba | 838 | if (device->node_type == RDMA_NODE_IB_SWITCH) { |
9a6edb60 | 839 | ret = add_port(device, 0, port_callback); |
1da177e4 LT |
840 | if (ret) |
841 | goto err_put; | |
842 | } else { | |
1da177e4 | 843 | for (i = 1; i <= device->phys_port_cnt; ++i) { |
9a6edb60 | 844 | ret = add_port(device, i, port_callback); |
1da177e4 LT |
845 | if (ret) |
846 | goto err_put; | |
847 | } | |
848 | } | |
849 | ||
7f624d02 SW |
850 | if (device->node_type == RDMA_NODE_RNIC && device->get_protocol_stats) { |
851 | ret = sysfs_create_group(&class_dev->kobj, &iw_stats_group); | |
852 | if (ret) | |
853 | goto err_put; | |
854 | } | |
855 | ||
1da177e4 LT |
856 | return 0; |
857 | ||
858 | err_put: | |
859 | { | |
860 | struct kobject *p, *t; | |
861 | struct ib_port *port; | |
862 | ||
863 | list_for_each_entry_safe(p, t, &device->port_list, entry) { | |
864 | list_del(&p->entry); | |
865 | port = container_of(p, struct ib_port, kobj); | |
866 | sysfs_remove_group(p, &pma_group); | |
867 | sysfs_remove_group(p, &port->pkey_group); | |
868 | sysfs_remove_group(p, &port->gid_group); | |
c10997f6 | 869 | kobject_put(p); |
1da177e4 LT |
870 | } |
871 | } | |
872 | ||
873 | kobject_put(&class_dev->kobj); | |
874 | ||
875 | err_unregister: | |
f4e91eb4 | 876 | device_unregister(class_dev); |
1da177e4 LT |
877 | |
878 | err: | |
879 | return ret; | |
880 | } | |
881 | ||
882 | void ib_device_unregister_sysfs(struct ib_device *device) | |
883 | { | |
884 | struct kobject *p, *t; | |
885 | struct ib_port *port; | |
886 | ||
9206dff1 RD |
887 | /* Hold kobject until ib_dealloc_device() */ |
888 | kobject_get(&device->dev.kobj); | |
889 | ||
1da177e4 LT |
890 | list_for_each_entry_safe(p, t, &device->port_list, entry) { |
891 | list_del(&p->entry); | |
892 | port = container_of(p, struct ib_port, kobj); | |
893 | sysfs_remove_group(p, &pma_group); | |
894 | sysfs_remove_group(p, &port->pkey_group); | |
895 | sysfs_remove_group(p, &port->gid_group); | |
c10997f6 | 896 | kobject_put(p); |
1da177e4 LT |
897 | } |
898 | ||
c10997f6 | 899 | kobject_put(device->ports_parent); |
f4e91eb4 | 900 | device_unregister(&device->dev); |
1da177e4 LT |
901 | } |
902 | ||
903 | int ib_sysfs_setup(void) | |
904 | { | |
905 | return class_register(&ib_class); | |
906 | } | |
907 | ||
908 | void ib_sysfs_cleanup(void) | |
909 | { | |
910 | class_unregister(&ib_class); | |
911 | } |