Commit | Line | Data |
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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 | 39 | #include <linux/string.h> |
470be516 | 40 | #include <linux/netdevice.h> |
8c65b4a6 | 41 | |
a4d61e84 | 42 | #include <rdma/ib_mad.h> |
b2788ce5 | 43 | #include <rdma/ib_pma.h> |
1da177e4 | 44 | |
470be516 MB |
45 | struct ib_port; |
46 | ||
47 | struct gid_attr_group { | |
48 | struct ib_port *port; | |
49 | struct kobject kobj; | |
50 | struct attribute_group ndev; | |
51 | struct attribute_group type; | |
52 | }; | |
1da177e4 LT |
53 | struct ib_port { |
54 | struct kobject kobj; | |
55 | struct ib_device *ibdev; | |
470be516 | 56 | struct gid_attr_group *gid_attr_group; |
1da177e4 | 57 | struct attribute_group gid_group; |
1da177e4 | 58 | struct attribute_group pkey_group; |
145d9c54 | 59 | struct attribute_group *pma_table; |
b40f4757 CL |
60 | struct attribute_group *hw_stats_ag; |
61 | struct rdma_hw_stats *hw_stats; | |
62 | u8 port_num; | |
1da177e4 LT |
63 | }; |
64 | ||
65 | struct port_attribute { | |
66 | struct attribute attr; | |
67 | ssize_t (*show)(struct ib_port *, struct port_attribute *, char *buf); | |
68 | ssize_t (*store)(struct ib_port *, struct port_attribute *, | |
69 | const char *buf, size_t count); | |
70 | }; | |
71 | ||
72 | #define PORT_ATTR(_name, _mode, _show, _store) \ | |
73 | struct port_attribute port_attr_##_name = __ATTR(_name, _mode, _show, _store) | |
74 | ||
75 | #define PORT_ATTR_RO(_name) \ | |
76 | struct port_attribute port_attr_##_name = __ATTR_RO(_name) | |
77 | ||
78 | struct port_table_attribute { | |
d48593bf DT |
79 | struct port_attribute attr; |
80 | char name[8]; | |
81 | int index; | |
65487fdc | 82 | __be16 attr_id; |
1da177e4 LT |
83 | }; |
84 | ||
b40f4757 CL |
85 | struct hw_stats_attribute { |
86 | struct attribute attr; | |
87 | ssize_t (*show)(struct kobject *kobj, | |
88 | struct attribute *attr, char *buf); | |
89 | ssize_t (*store)(struct kobject *kobj, | |
90 | struct attribute *attr, | |
91 | const char *buf, | |
92 | size_t count); | |
93 | int index; | |
94 | u8 port_num; | |
95 | }; | |
96 | ||
1da177e4 LT |
97 | static ssize_t port_attr_show(struct kobject *kobj, |
98 | struct attribute *attr, char *buf) | |
99 | { | |
100 | struct port_attribute *port_attr = | |
101 | container_of(attr, struct port_attribute, attr); | |
102 | struct ib_port *p = container_of(kobj, struct ib_port, kobj); | |
103 | ||
104 | if (!port_attr->show) | |
70f2817a | 105 | return -EIO; |
1da177e4 LT |
106 | |
107 | return port_attr->show(p, port_attr, buf); | |
108 | } | |
109 | ||
52cf25d0 | 110 | static const struct sysfs_ops port_sysfs_ops = { |
1da177e4 LT |
111 | .show = port_attr_show |
112 | }; | |
113 | ||
470be516 MB |
114 | static ssize_t gid_attr_show(struct kobject *kobj, |
115 | struct attribute *attr, char *buf) | |
116 | { | |
117 | struct port_attribute *port_attr = | |
118 | container_of(attr, struct port_attribute, attr); | |
119 | struct ib_port *p = container_of(kobj, struct gid_attr_group, | |
120 | kobj)->port; | |
121 | ||
122 | if (!port_attr->show) | |
123 | return -EIO; | |
124 | ||
125 | return port_attr->show(p, port_attr, buf); | |
126 | } | |
127 | ||
128 | static const struct sysfs_ops gid_attr_sysfs_ops = { | |
129 | .show = gid_attr_show | |
130 | }; | |
131 | ||
1da177e4 LT |
132 | static ssize_t state_show(struct ib_port *p, struct port_attribute *unused, |
133 | char *buf) | |
134 | { | |
135 | struct ib_port_attr attr; | |
136 | ssize_t ret; | |
137 | ||
138 | static const char *state_name[] = { | |
139 | [IB_PORT_NOP] = "NOP", | |
140 | [IB_PORT_DOWN] = "DOWN", | |
141 | [IB_PORT_INIT] = "INIT", | |
142 | [IB_PORT_ARMED] = "ARMED", | |
143 | [IB_PORT_ACTIVE] = "ACTIVE", | |
144 | [IB_PORT_ACTIVE_DEFER] = "ACTIVE_DEFER" | |
145 | }; | |
146 | ||
147 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
148 | if (ret) | |
149 | return ret; | |
150 | ||
151 | return sprintf(buf, "%d: %s\n", attr.state, | |
048975ac | 152 | attr.state >= 0 && attr.state < ARRAY_SIZE(state_name) ? |
1da177e4 LT |
153 | state_name[attr.state] : "UNKNOWN"); |
154 | } | |
155 | ||
156 | static ssize_t lid_show(struct ib_port *p, struct port_attribute *unused, | |
157 | char *buf) | |
158 | { | |
159 | struct ib_port_attr attr; | |
160 | ssize_t ret; | |
161 | ||
162 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
163 | if (ret) | |
164 | return ret; | |
165 | ||
166 | return sprintf(buf, "0x%x\n", attr.lid); | |
167 | } | |
168 | ||
169 | static ssize_t lid_mask_count_show(struct ib_port *p, | |
170 | struct port_attribute *unused, | |
171 | char *buf) | |
172 | { | |
173 | struct ib_port_attr attr; | |
174 | ssize_t ret; | |
175 | ||
176 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
177 | if (ret) | |
178 | return ret; | |
179 | ||
180 | return sprintf(buf, "%d\n", attr.lmc); | |
181 | } | |
182 | ||
183 | static ssize_t sm_lid_show(struct ib_port *p, struct port_attribute *unused, | |
184 | char *buf) | |
185 | { | |
186 | struct ib_port_attr attr; | |
187 | ssize_t ret; | |
188 | ||
189 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
190 | if (ret) | |
191 | return ret; | |
192 | ||
193 | return sprintf(buf, "0x%x\n", attr.sm_lid); | |
194 | } | |
195 | ||
196 | static ssize_t sm_sl_show(struct ib_port *p, struct port_attribute *unused, | |
197 | char *buf) | |
198 | { | |
199 | struct ib_port_attr attr; | |
200 | ssize_t ret; | |
201 | ||
202 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
203 | if (ret) | |
204 | return ret; | |
205 | ||
206 | return sprintf(buf, "%d\n", attr.sm_sl); | |
207 | } | |
208 | ||
209 | static ssize_t cap_mask_show(struct ib_port *p, struct port_attribute *unused, | |
210 | char *buf) | |
211 | { | |
212 | struct ib_port_attr attr; | |
213 | ssize_t ret; | |
214 | ||
215 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
216 | if (ret) | |
217 | return ret; | |
218 | ||
219 | return sprintf(buf, "0x%08x\n", attr.port_cap_flags); | |
220 | } | |
221 | ||
222 | static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused, | |
223 | char *buf) | |
224 | { | |
225 | struct ib_port_attr attr; | |
226 | char *speed = ""; | |
0559d8dc | 227 | int rate; /* in deci-Gb/sec */ |
1da177e4 LT |
228 | ssize_t ret; |
229 | ||
230 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
231 | if (ret) | |
232 | return ret; | |
233 | ||
234 | switch (attr.active_speed) { | |
2e96691c | 235 | case IB_SPEED_DDR: |
71eeba16 | 236 | speed = " DDR"; |
e9319b0c | 237 | rate = 50; |
71eeba16 | 238 | break; |
2e96691c | 239 | case IB_SPEED_QDR: |
71eeba16 | 240 | speed = " QDR"; |
e9319b0c | 241 | rate = 100; |
71eeba16 | 242 | break; |
2e96691c | 243 | case IB_SPEED_FDR10: |
71eeba16 | 244 | speed = " FDR10"; |
e9319b0c | 245 | rate = 100; |
71eeba16 | 246 | break; |
2e96691c | 247 | case IB_SPEED_FDR: |
71eeba16 | 248 | speed = " FDR"; |
e9319b0c | 249 | rate = 140; |
71eeba16 | 250 | break; |
2e96691c | 251 | case IB_SPEED_EDR: |
71eeba16 | 252 | speed = " EDR"; |
e9319b0c | 253 | rate = 250; |
71eeba16 | 254 | break; |
0559d8dc RD |
255 | case IB_SPEED_SDR: |
256 | default: /* default to SDR for invalid rates */ | |
257 | rate = 25; | |
258 | break; | |
1da177e4 LT |
259 | } |
260 | ||
71eeba16 | 261 | rate *= ib_width_enum_to_int(attr.active_width); |
1da177e4 LT |
262 | if (rate < 0) |
263 | return -EINVAL; | |
264 | ||
265 | return sprintf(buf, "%d%s Gb/sec (%dX%s)\n", | |
e9319b0c | 266 | rate / 10, rate % 10 ? ".5" : "", |
1da177e4 LT |
267 | ib_width_enum_to_int(attr.active_width), speed); |
268 | } | |
269 | ||
270 | static ssize_t phys_state_show(struct ib_port *p, struct port_attribute *unused, | |
271 | char *buf) | |
272 | { | |
273 | struct ib_port_attr attr; | |
274 | ||
275 | ssize_t ret; | |
276 | ||
277 | ret = ib_query_port(p->ibdev, p->port_num, &attr); | |
278 | if (ret) | |
279 | return ret; | |
280 | ||
281 | switch (attr.phys_state) { | |
282 | case 1: return sprintf(buf, "1: Sleep\n"); | |
283 | case 2: return sprintf(buf, "2: Polling\n"); | |
284 | case 3: return sprintf(buf, "3: Disabled\n"); | |
285 | case 4: return sprintf(buf, "4: PortConfigurationTraining\n"); | |
286 | case 5: return sprintf(buf, "5: LinkUp\n"); | |
287 | case 6: return sprintf(buf, "6: LinkErrorRecovery\n"); | |
288 | case 7: return sprintf(buf, "7: Phy Test\n"); | |
289 | default: return sprintf(buf, "%d: <unknown>\n", attr.phys_state); | |
290 | } | |
291 | } | |
292 | ||
8ad330a0 EC |
293 | static ssize_t link_layer_show(struct ib_port *p, struct port_attribute *unused, |
294 | char *buf) | |
295 | { | |
296 | switch (rdma_port_get_link_layer(p->ibdev, p->port_num)) { | |
297 | case IB_LINK_LAYER_INFINIBAND: | |
298 | return sprintf(buf, "%s\n", "InfiniBand"); | |
299 | case IB_LINK_LAYER_ETHERNET: | |
300 | return sprintf(buf, "%s\n", "Ethernet"); | |
301 | default: | |
302 | return sprintf(buf, "%s\n", "Unknown"); | |
303 | } | |
304 | } | |
305 | ||
1da177e4 LT |
306 | static PORT_ATTR_RO(state); |
307 | static PORT_ATTR_RO(lid); | |
308 | static PORT_ATTR_RO(lid_mask_count); | |
309 | static PORT_ATTR_RO(sm_lid); | |
310 | static PORT_ATTR_RO(sm_sl); | |
311 | static PORT_ATTR_RO(cap_mask); | |
312 | static PORT_ATTR_RO(rate); | |
313 | static PORT_ATTR_RO(phys_state); | |
8ad330a0 | 314 | static PORT_ATTR_RO(link_layer); |
1da177e4 LT |
315 | |
316 | static struct attribute *port_default_attrs[] = { | |
317 | &port_attr_state.attr, | |
318 | &port_attr_lid.attr, | |
319 | &port_attr_lid_mask_count.attr, | |
320 | &port_attr_sm_lid.attr, | |
321 | &port_attr_sm_sl.attr, | |
322 | &port_attr_cap_mask.attr, | |
323 | &port_attr_rate.attr, | |
324 | &port_attr_phys_state.attr, | |
8ad330a0 | 325 | &port_attr_link_layer.attr, |
1da177e4 LT |
326 | NULL |
327 | }; | |
328 | ||
470be516 MB |
329 | static size_t print_ndev(struct ib_gid_attr *gid_attr, char *buf) |
330 | { | |
331 | if (!gid_attr->ndev) | |
332 | return -EINVAL; | |
333 | ||
334 | return sprintf(buf, "%s\n", gid_attr->ndev->name); | |
335 | } | |
336 | ||
337 | static size_t print_gid_type(struct ib_gid_attr *gid_attr, char *buf) | |
338 | { | |
339 | return sprintf(buf, "%s\n", ib_cache_gid_type_str(gid_attr->gid_type)); | |
340 | } | |
341 | ||
342 | static ssize_t _show_port_gid_attr(struct ib_port *p, | |
343 | struct port_attribute *attr, | |
344 | char *buf, | |
345 | size_t (*print)(struct ib_gid_attr *gid_attr, | |
346 | char *buf)) | |
347 | { | |
348 | struct port_table_attribute *tab_attr = | |
349 | container_of(attr, struct port_table_attribute, attr); | |
350 | union ib_gid gid; | |
351 | struct ib_gid_attr gid_attr = {}; | |
352 | ssize_t ret; | |
470be516 MB |
353 | |
354 | ret = ib_query_gid(p->ibdev, p->port_num, tab_attr->index, &gid, | |
355 | &gid_attr); | |
356 | if (ret) | |
357 | goto err; | |
358 | ||
359 | ret = print(&gid_attr, buf); | |
360 | ||
361 | err: | |
362 | if (gid_attr.ndev) | |
363 | dev_put(gid_attr.ndev); | |
470be516 MB |
364 | return ret; |
365 | } | |
366 | ||
1da177e4 LT |
367 | static ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr, |
368 | char *buf) | |
369 | { | |
370 | struct port_table_attribute *tab_attr = | |
371 | container_of(attr, struct port_table_attribute, attr); | |
372 | union ib_gid gid; | |
373 | ssize_t ret; | |
374 | ||
55ee3ab2 | 375 | ret = ib_query_gid(p->ibdev, p->port_num, tab_attr->index, &gid, NULL); |
1da177e4 LT |
376 | if (ret) |
377 | return ret; | |
378 | ||
5b095d98 | 379 | return sprintf(buf, "%pI6\n", gid.raw); |
1da177e4 LT |
380 | } |
381 | ||
470be516 MB |
382 | static ssize_t show_port_gid_attr_ndev(struct ib_port *p, |
383 | struct port_attribute *attr, char *buf) | |
384 | { | |
385 | return _show_port_gid_attr(p, attr, buf, print_ndev); | |
386 | } | |
387 | ||
388 | static ssize_t show_port_gid_attr_gid_type(struct ib_port *p, | |
389 | struct port_attribute *attr, | |
390 | char *buf) | |
391 | { | |
392 | return _show_port_gid_attr(p, attr, buf, print_gid_type); | |
393 | } | |
394 | ||
1da177e4 LT |
395 | static ssize_t show_port_pkey(struct ib_port *p, struct port_attribute *attr, |
396 | char *buf) | |
397 | { | |
398 | struct port_table_attribute *tab_attr = | |
399 | container_of(attr, struct port_table_attribute, attr); | |
400 | u16 pkey; | |
401 | ssize_t ret; | |
402 | ||
403 | ret = ib_query_pkey(p->ibdev, p->port_num, tab_attr->index, &pkey); | |
404 | if (ret) | |
405 | return ret; | |
406 | ||
407 | return sprintf(buf, "0x%04x\n", pkey); | |
408 | } | |
409 | ||
410 | #define PORT_PMA_ATTR(_name, _counter, _width, _offset) \ | |
411 | struct port_table_attribute port_pma_attr_##_name = { \ | |
412 | .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \ | |
b2788ce5 CL |
413 | .index = (_offset) | ((_width) << 16) | ((_counter) << 24), \ |
414 | .attr_id = IB_PMA_PORT_COUNTERS , \ | |
1da177e4 LT |
415 | } |
416 | ||
145d9c54 CL |
417 | #define PORT_PMA_ATTR_EXT(_name, _width, _offset) \ |
418 | struct port_table_attribute port_pma_attr_ext_##_name = { \ | |
419 | .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \ | |
420 | .index = (_offset) | ((_width) << 16), \ | |
421 | .attr_id = IB_PMA_PORT_COUNTERS_EXT , \ | |
422 | } | |
423 | ||
35c4cbb1 CL |
424 | /* |
425 | * Get a Perfmgmt MAD block of data. | |
426 | * Returns error code or the number of bytes retrieved. | |
427 | */ | |
65487fdc | 428 | static int get_perf_mad(struct ib_device *dev, int port_num, __be16 attr, |
35c4cbb1 | 429 | void *data, int offset, size_t size) |
1da177e4 | 430 | { |
35c4cbb1 CL |
431 | struct ib_mad *in_mad; |
432 | struct ib_mad *out_mad; | |
4cd7c947 IW |
433 | size_t mad_size = sizeof(*out_mad); |
434 | u16 out_mad_pkey_index = 0; | |
1da177e4 LT |
435 | ssize_t ret; |
436 | ||
35c4cbb1 CL |
437 | if (!dev->process_mad) |
438 | return -ENOSYS; | |
1da177e4 | 439 | |
de6eb66b | 440 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); |
856c52a7 | 441 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); |
1da177e4 LT |
442 | if (!in_mad || !out_mad) { |
443 | ret = -ENOMEM; | |
444 | goto out; | |
445 | } | |
446 | ||
1da177e4 LT |
447 | in_mad->mad_hdr.base_version = 1; |
448 | in_mad->mad_hdr.mgmt_class = IB_MGMT_CLASS_PERF_MGMT; | |
449 | in_mad->mad_hdr.class_version = 1; | |
450 | in_mad->mad_hdr.method = IB_MGMT_METHOD_GET; | |
35c4cbb1 | 451 | in_mad->mad_hdr.attr_id = attr; |
1da177e4 | 452 | |
6e2a51a0 HR |
453 | if (attr != IB_PMA_CLASS_PORT_INFO) |
454 | in_mad->data[41] = port_num; /* PortSelect field */ | |
1da177e4 | 455 | |
35c4cbb1 CL |
456 | if ((dev->process_mad(dev, IB_MAD_IGNORE_MKEY, |
457 | port_num, NULL, NULL, | |
4cd7c947 IW |
458 | (const struct ib_mad_hdr *)in_mad, mad_size, |
459 | (struct ib_mad_hdr *)out_mad, &mad_size, | |
460 | &out_mad_pkey_index) & | |
1da177e4 LT |
461 | (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) != |
462 | (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) { | |
463 | ret = -EINVAL; | |
464 | goto out; | |
465 | } | |
35c4cbb1 CL |
466 | memcpy(data, out_mad->data + offset, size); |
467 | ret = size; | |
468 | out: | |
469 | kfree(in_mad); | |
470 | kfree(out_mad); | |
471 | return ret; | |
472 | } | |
473 | ||
474 | static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr, | |
475 | char *buf) | |
476 | { | |
477 | struct port_table_attribute *tab_attr = | |
478 | container_of(attr, struct port_table_attribute, attr); | |
479 | int offset = tab_attr->index & 0xffff; | |
480 | int width = (tab_attr->index >> 16) & 0xff; | |
481 | ssize_t ret; | |
482 | u8 data[8]; | |
483 | ||
b2788ce5 | 484 | ret = get_perf_mad(p->ibdev, p->port_num, tab_attr->attr_id, &data, |
35c4cbb1 CL |
485 | 40 + offset / 8, sizeof(data)); |
486 | if (ret < 0) | |
487 | return sprintf(buf, "N/A (no PMA)\n"); | |
1da177e4 LT |
488 | |
489 | switch (width) { | |
490 | case 4: | |
35c4cbb1 | 491 | ret = sprintf(buf, "%u\n", (*data >> |
d8b9f23b | 492 | (4 - (offset % 8))) & 0xf); |
1da177e4 LT |
493 | break; |
494 | case 8: | |
35c4cbb1 | 495 | ret = sprintf(buf, "%u\n", *data); |
1da177e4 LT |
496 | break; |
497 | case 16: | |
498 | ret = sprintf(buf, "%u\n", | |
35c4cbb1 | 499 | be16_to_cpup((__be16 *)data)); |
1da177e4 LT |
500 | break; |
501 | case 32: | |
502 | ret = sprintf(buf, "%u\n", | |
35c4cbb1 | 503 | be32_to_cpup((__be32 *)data)); |
1da177e4 | 504 | break; |
145d9c54 CL |
505 | case 64: |
506 | ret = sprintf(buf, "%llu\n", | |
507 | be64_to_cpup((__be64 *)data)); | |
508 | break; | |
509 | ||
1da177e4 LT |
510 | default: |
511 | ret = 0; | |
512 | } | |
513 | ||
1da177e4 LT |
514 | return ret; |
515 | } | |
516 | ||
517 | static PORT_PMA_ATTR(symbol_error , 0, 16, 32); | |
518 | static PORT_PMA_ATTR(link_error_recovery , 1, 8, 48); | |
519 | static PORT_PMA_ATTR(link_downed , 2, 8, 56); | |
520 | static PORT_PMA_ATTR(port_rcv_errors , 3, 16, 64); | |
521 | static PORT_PMA_ATTR(port_rcv_remote_physical_errors, 4, 16, 80); | |
522 | static PORT_PMA_ATTR(port_rcv_switch_relay_errors , 5, 16, 96); | |
523 | static PORT_PMA_ATTR(port_xmit_discards , 6, 16, 112); | |
524 | static PORT_PMA_ATTR(port_xmit_constraint_errors , 7, 8, 128); | |
525 | static PORT_PMA_ATTR(port_rcv_constraint_errors , 8, 8, 136); | |
526 | static PORT_PMA_ATTR(local_link_integrity_errors , 9, 4, 152); | |
527 | static PORT_PMA_ATTR(excessive_buffer_overrun_errors, 10, 4, 156); | |
528 | static PORT_PMA_ATTR(VL15_dropped , 11, 16, 176); | |
529 | static PORT_PMA_ATTR(port_xmit_data , 12, 32, 192); | |
530 | static PORT_PMA_ATTR(port_rcv_data , 13, 32, 224); | |
531 | static PORT_PMA_ATTR(port_xmit_packets , 14, 32, 256); | |
532 | static PORT_PMA_ATTR(port_rcv_packets , 15, 32, 288); | |
c5a81d11 | 533 | static PORT_PMA_ATTR(port_xmit_wait , 0, 32, 320); |
1da177e4 | 534 | |
145d9c54 CL |
535 | /* |
536 | * Counters added by extended set | |
537 | */ | |
538 | static PORT_PMA_ATTR_EXT(port_xmit_data , 64, 64); | |
539 | static PORT_PMA_ATTR_EXT(port_rcv_data , 64, 128); | |
540 | static PORT_PMA_ATTR_EXT(port_xmit_packets , 64, 192); | |
541 | static PORT_PMA_ATTR_EXT(port_rcv_packets , 64, 256); | |
542 | static PORT_PMA_ATTR_EXT(unicast_xmit_packets , 64, 320); | |
543 | static PORT_PMA_ATTR_EXT(unicast_rcv_packets , 64, 384); | |
544 | static PORT_PMA_ATTR_EXT(multicast_xmit_packets , 64, 448); | |
545 | static PORT_PMA_ATTR_EXT(multicast_rcv_packets , 64, 512); | |
546 | ||
1da177e4 LT |
547 | static struct attribute *pma_attrs[] = { |
548 | &port_pma_attr_symbol_error.attr.attr, | |
549 | &port_pma_attr_link_error_recovery.attr.attr, | |
550 | &port_pma_attr_link_downed.attr.attr, | |
551 | &port_pma_attr_port_rcv_errors.attr.attr, | |
552 | &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, | |
553 | &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, | |
554 | &port_pma_attr_port_xmit_discards.attr.attr, | |
555 | &port_pma_attr_port_xmit_constraint_errors.attr.attr, | |
556 | &port_pma_attr_port_rcv_constraint_errors.attr.attr, | |
557 | &port_pma_attr_local_link_integrity_errors.attr.attr, | |
558 | &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, | |
559 | &port_pma_attr_VL15_dropped.attr.attr, | |
560 | &port_pma_attr_port_xmit_data.attr.attr, | |
561 | &port_pma_attr_port_rcv_data.attr.attr, | |
562 | &port_pma_attr_port_xmit_packets.attr.attr, | |
563 | &port_pma_attr_port_rcv_packets.attr.attr, | |
c5a81d11 | 564 | &port_pma_attr_port_xmit_wait.attr.attr, |
1da177e4 LT |
565 | NULL |
566 | }; | |
567 | ||
145d9c54 CL |
568 | static struct attribute *pma_attrs_ext[] = { |
569 | &port_pma_attr_symbol_error.attr.attr, | |
570 | &port_pma_attr_link_error_recovery.attr.attr, | |
571 | &port_pma_attr_link_downed.attr.attr, | |
572 | &port_pma_attr_port_rcv_errors.attr.attr, | |
573 | &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, | |
574 | &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, | |
575 | &port_pma_attr_port_xmit_discards.attr.attr, | |
576 | &port_pma_attr_port_xmit_constraint_errors.attr.attr, | |
577 | &port_pma_attr_port_rcv_constraint_errors.attr.attr, | |
578 | &port_pma_attr_local_link_integrity_errors.attr.attr, | |
579 | &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, | |
580 | &port_pma_attr_VL15_dropped.attr.attr, | |
581 | &port_pma_attr_ext_port_xmit_data.attr.attr, | |
582 | &port_pma_attr_ext_port_rcv_data.attr.attr, | |
583 | &port_pma_attr_ext_port_xmit_packets.attr.attr, | |
c5a81d11 | 584 | &port_pma_attr_port_xmit_wait.attr.attr, |
145d9c54 CL |
585 | &port_pma_attr_ext_port_rcv_packets.attr.attr, |
586 | &port_pma_attr_ext_unicast_rcv_packets.attr.attr, | |
587 | &port_pma_attr_ext_unicast_xmit_packets.attr.attr, | |
588 | &port_pma_attr_ext_multicast_rcv_packets.attr.attr, | |
589 | &port_pma_attr_ext_multicast_xmit_packets.attr.attr, | |
590 | NULL | |
591 | }; | |
592 | ||
593 | static struct attribute *pma_attrs_noietf[] = { | |
594 | &port_pma_attr_symbol_error.attr.attr, | |
595 | &port_pma_attr_link_error_recovery.attr.attr, | |
596 | &port_pma_attr_link_downed.attr.attr, | |
597 | &port_pma_attr_port_rcv_errors.attr.attr, | |
598 | &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, | |
599 | &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, | |
600 | &port_pma_attr_port_xmit_discards.attr.attr, | |
601 | &port_pma_attr_port_xmit_constraint_errors.attr.attr, | |
602 | &port_pma_attr_port_rcv_constraint_errors.attr.attr, | |
603 | &port_pma_attr_local_link_integrity_errors.attr.attr, | |
604 | &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, | |
605 | &port_pma_attr_VL15_dropped.attr.attr, | |
606 | &port_pma_attr_ext_port_xmit_data.attr.attr, | |
607 | &port_pma_attr_ext_port_rcv_data.attr.attr, | |
608 | &port_pma_attr_ext_port_xmit_packets.attr.attr, | |
609 | &port_pma_attr_ext_port_rcv_packets.attr.attr, | |
c5a81d11 | 610 | &port_pma_attr_port_xmit_wait.attr.attr, |
145d9c54 CL |
611 | NULL |
612 | }; | |
613 | ||
1da177e4 LT |
614 | static struct attribute_group pma_group = { |
615 | .name = "counters", | |
616 | .attrs = pma_attrs | |
617 | }; | |
618 | ||
145d9c54 CL |
619 | static struct attribute_group pma_group_ext = { |
620 | .name = "counters", | |
621 | .attrs = pma_attrs_ext | |
622 | }; | |
623 | ||
624 | static struct attribute_group pma_group_noietf = { | |
625 | .name = "counters", | |
626 | .attrs = pma_attrs_noietf | |
627 | }; | |
628 | ||
1da177e4 LT |
629 | static void ib_port_release(struct kobject *kobj) |
630 | { | |
631 | struct ib_port *p = container_of(kobj, struct ib_port, kobj); | |
632 | struct attribute *a; | |
633 | int i; | |
634 | ||
cad6d02a HE |
635 | if (p->gid_group.attrs) { |
636 | for (i = 0; (a = p->gid_group.attrs[i]); ++i) | |
637 | kfree(a); | |
1da177e4 | 638 | |
cad6d02a HE |
639 | kfree(p->gid_group.attrs); |
640 | } | |
d48593bf | 641 | |
cad6d02a HE |
642 | if (p->pkey_group.attrs) { |
643 | for (i = 0; (a = p->pkey_group.attrs[i]); ++i) | |
644 | kfree(a); | |
1da177e4 | 645 | |
cad6d02a HE |
646 | kfree(p->pkey_group.attrs); |
647 | } | |
d48593bf | 648 | |
1da177e4 LT |
649 | kfree(p); |
650 | } | |
651 | ||
470be516 MB |
652 | static void ib_port_gid_attr_release(struct kobject *kobj) |
653 | { | |
654 | struct gid_attr_group *g = container_of(kobj, struct gid_attr_group, | |
655 | kobj); | |
656 | struct attribute *a; | |
657 | int i; | |
658 | ||
659 | if (g->ndev.attrs) { | |
660 | for (i = 0; (a = g->ndev.attrs[i]); ++i) | |
661 | kfree(a); | |
662 | ||
663 | kfree(g->ndev.attrs); | |
664 | } | |
665 | ||
666 | if (g->type.attrs) { | |
667 | for (i = 0; (a = g->type.attrs[i]); ++i) | |
668 | kfree(a); | |
669 | ||
670 | kfree(g->type.attrs); | |
671 | } | |
672 | ||
673 | kfree(g); | |
674 | } | |
675 | ||
1da177e4 LT |
676 | static struct kobj_type port_type = { |
677 | .release = ib_port_release, | |
678 | .sysfs_ops = &port_sysfs_ops, | |
679 | .default_attrs = port_default_attrs | |
680 | }; | |
681 | ||
470be516 MB |
682 | static struct kobj_type gid_attr_type = { |
683 | .sysfs_ops = &gid_attr_sysfs_ops, | |
684 | .release = ib_port_gid_attr_release | |
685 | }; | |
686 | ||
d48593bf DT |
687 | static struct attribute ** |
688 | alloc_group_attrs(ssize_t (*show)(struct ib_port *, | |
689 | struct port_attribute *, char *buf), | |
690 | int len) | |
1da177e4 | 691 | { |
d48593bf DT |
692 | struct attribute **tab_attr; |
693 | struct port_table_attribute *element; | |
1da177e4 | 694 | int i; |
1da177e4 | 695 | |
d48593bf DT |
696 | tab_attr = kcalloc(1 + len, sizeof(struct attribute *), GFP_KERNEL); |
697 | if (!tab_attr) | |
698 | return NULL; | |
1da177e4 | 699 | |
d48593bf | 700 | for (i = 0; i < len; i++) { |
82ca76b6 | 701 | element = kzalloc(sizeof(struct port_table_attribute), |
d48593bf DT |
702 | GFP_KERNEL); |
703 | if (!element) | |
1da177e4 | 704 | goto err; |
1da177e4 | 705 | |
d48593bf | 706 | if (snprintf(element->name, sizeof(element->name), |
048975ac RD |
707 | "%d", i) >= sizeof(element->name)) { |
708 | kfree(element); | |
1da177e4 | 709 | goto err; |
048975ac | 710 | } |
1da177e4 | 711 | |
d48593bf DT |
712 | element->attr.attr.name = element->name; |
713 | element->attr.attr.mode = S_IRUGO; | |
d48593bf DT |
714 | element->attr.show = show; |
715 | element->index = i; | |
21e3bde9 | 716 | sysfs_attr_init(&element->attr.attr); |
1da177e4 | 717 | |
d48593bf | 718 | tab_attr[i] = &element->attr.attr; |
1da177e4 LT |
719 | } |
720 | ||
d48593bf | 721 | return tab_attr; |
1da177e4 | 722 | |
d48593bf DT |
723 | err: |
724 | while (--i >= 0) | |
725 | kfree(tab_attr[i]); | |
726 | kfree(tab_attr); | |
727 | return NULL; | |
1da177e4 LT |
728 | } |
729 | ||
145d9c54 CL |
730 | /* |
731 | * Figure out which counter table to use depending on | |
732 | * the device capabilities. | |
733 | */ | |
6e2a51a0 HR |
734 | static struct attribute_group *get_counter_table(struct ib_device *dev, |
735 | int port_num) | |
145d9c54 CL |
736 | { |
737 | struct ib_class_port_info cpi; | |
738 | ||
6e2a51a0 | 739 | if (get_perf_mad(dev, port_num, IB_PMA_CLASS_PORT_INFO, |
145d9c54 | 740 | &cpi, 40, sizeof(cpi)) >= 0) { |
ee50aeac | 741 | if (cpi.capability_mask & IB_PMA_CLASS_CAP_EXT_WIDTH) |
145d9c54 CL |
742 | /* We have extended counters */ |
743 | return &pma_group_ext; | |
744 | ||
ee50aeac | 745 | if (cpi.capability_mask & IB_PMA_CLASS_CAP_EXT_WIDTH_NOIETF) |
145d9c54 CL |
746 | /* But not the IETF ones */ |
747 | return &pma_group_noietf; | |
748 | } | |
749 | ||
750 | /* Fall back to normal counters */ | |
751 | return &pma_group; | |
752 | } | |
753 | ||
b40f4757 CL |
754 | static int update_hw_stats(struct ib_device *dev, struct rdma_hw_stats *stats, |
755 | u8 port_num, int index) | |
756 | { | |
757 | int ret; | |
758 | ||
759 | if (time_is_after_eq_jiffies(stats->timestamp + stats->lifespan)) | |
760 | return 0; | |
761 | ret = dev->get_hw_stats(dev, stats, port_num, index); | |
762 | if (ret < 0) | |
763 | return ret; | |
764 | if (ret == stats->num_counters) | |
765 | stats->timestamp = jiffies; | |
766 | ||
767 | return 0; | |
768 | } | |
769 | ||
770 | static ssize_t print_hw_stat(struct rdma_hw_stats *stats, int index, char *buf) | |
771 | { | |
772 | return sprintf(buf, "%llu\n", stats->value[index]); | |
773 | } | |
774 | ||
775 | static ssize_t show_hw_stats(struct kobject *kobj, struct attribute *attr, | |
776 | char *buf) | |
777 | { | |
778 | struct ib_device *dev; | |
779 | struct ib_port *port; | |
780 | struct hw_stats_attribute *hsa; | |
781 | struct rdma_hw_stats *stats; | |
782 | int ret; | |
783 | ||
784 | hsa = container_of(attr, struct hw_stats_attribute, attr); | |
785 | if (!hsa->port_num) { | |
786 | dev = container_of((struct device *)kobj, | |
787 | struct ib_device, dev); | |
788 | stats = dev->hw_stats; | |
789 | } else { | |
790 | port = container_of(kobj, struct ib_port, kobj); | |
791 | dev = port->ibdev; | |
792 | stats = port->hw_stats; | |
793 | } | |
794 | ret = update_hw_stats(dev, stats, hsa->port_num, hsa->index); | |
795 | if (ret) | |
796 | return ret; | |
797 | return print_hw_stat(stats, hsa->index, buf); | |
798 | } | |
799 | ||
800 | static ssize_t show_stats_lifespan(struct kobject *kobj, | |
801 | struct attribute *attr, | |
802 | char *buf) | |
803 | { | |
804 | struct hw_stats_attribute *hsa; | |
805 | int msecs; | |
806 | ||
807 | hsa = container_of(attr, struct hw_stats_attribute, attr); | |
808 | if (!hsa->port_num) { | |
809 | struct ib_device *dev = container_of((struct device *)kobj, | |
810 | struct ib_device, dev); | |
811 | msecs = jiffies_to_msecs(dev->hw_stats->lifespan); | |
812 | } else { | |
813 | struct ib_port *p = container_of(kobj, struct ib_port, kobj); | |
814 | msecs = jiffies_to_msecs(p->hw_stats->lifespan); | |
815 | } | |
816 | return sprintf(buf, "%d\n", msecs); | |
817 | } | |
818 | ||
819 | static ssize_t set_stats_lifespan(struct kobject *kobj, | |
820 | struct attribute *attr, | |
821 | const char *buf, size_t count) | |
822 | { | |
823 | struct hw_stats_attribute *hsa; | |
824 | int msecs; | |
825 | int jiffies; | |
826 | int ret; | |
827 | ||
828 | ret = kstrtoint(buf, 10, &msecs); | |
829 | if (ret) | |
830 | return ret; | |
831 | if (msecs < 0 || msecs > 10000) | |
832 | return -EINVAL; | |
833 | jiffies = msecs_to_jiffies(msecs); | |
834 | hsa = container_of(attr, struct hw_stats_attribute, attr); | |
835 | if (!hsa->port_num) { | |
836 | struct ib_device *dev = container_of((struct device *)kobj, | |
837 | struct ib_device, dev); | |
838 | dev->hw_stats->lifespan = jiffies; | |
839 | } else { | |
840 | struct ib_port *p = container_of(kobj, struct ib_port, kobj); | |
841 | p->hw_stats->lifespan = jiffies; | |
842 | } | |
843 | return count; | |
844 | } | |
845 | ||
846 | static void free_hsag(struct kobject *kobj, struct attribute_group *attr_group) | |
847 | { | |
848 | struct attribute **attr; | |
849 | ||
850 | sysfs_remove_group(kobj, attr_group); | |
851 | ||
852 | for (attr = attr_group->attrs; *attr; attr++) | |
853 | kfree(*attr); | |
854 | kfree(attr_group); | |
855 | } | |
856 | ||
857 | static struct attribute *alloc_hsa(int index, u8 port_num, const char *name) | |
858 | { | |
859 | struct hw_stats_attribute *hsa; | |
860 | ||
861 | hsa = kmalloc(sizeof(*hsa), GFP_KERNEL); | |
862 | if (!hsa) | |
863 | return NULL; | |
864 | ||
865 | hsa->attr.name = (char *)name; | |
866 | hsa->attr.mode = S_IRUGO; | |
867 | hsa->show = show_hw_stats; | |
868 | hsa->store = NULL; | |
869 | hsa->index = index; | |
870 | hsa->port_num = port_num; | |
871 | ||
872 | return &hsa->attr; | |
873 | } | |
874 | ||
875 | static struct attribute *alloc_hsa_lifespan(char *name, u8 port_num) | |
876 | { | |
877 | struct hw_stats_attribute *hsa; | |
878 | ||
879 | hsa = kmalloc(sizeof(*hsa), GFP_KERNEL); | |
880 | if (!hsa) | |
881 | return NULL; | |
882 | ||
883 | hsa->attr.name = name; | |
884 | hsa->attr.mode = S_IWUSR | S_IRUGO; | |
885 | hsa->show = show_stats_lifespan; | |
886 | hsa->store = set_stats_lifespan; | |
887 | hsa->index = 0; | |
888 | hsa->port_num = port_num; | |
889 | ||
890 | return &hsa->attr; | |
891 | } | |
892 | ||
893 | static void setup_hw_stats(struct ib_device *device, struct ib_port *port, | |
894 | u8 port_num) | |
895 | { | |
495fbae6 | 896 | struct attribute_group *hsag; |
b40f4757 | 897 | struct rdma_hw_stats *stats; |
495fbae6 | 898 | int i, ret; |
b40f4757 CL |
899 | |
900 | stats = device->alloc_hw_stats(device, port_num); | |
901 | ||
902 | if (!stats) | |
903 | return; | |
904 | ||
905 | if (!stats->names || stats->num_counters <= 0) | |
0147ebcf | 906 | goto err_free_stats; |
b40f4757 | 907 | |
41aaa99f DL |
908 | /* |
909 | * Two extra attribue elements here, one for the lifespan entry and | |
910 | * one to NULL terminate the list for the sysfs core code | |
911 | */ | |
b40f4757 | 912 | hsag = kzalloc(sizeof(*hsag) + |
41aaa99f | 913 | sizeof(void *) * (stats->num_counters + 2), |
b40f4757 CL |
914 | GFP_KERNEL); |
915 | if (!hsag) | |
0147ebcf | 916 | goto err_free_stats; |
b40f4757 CL |
917 | |
918 | ret = device->get_hw_stats(device, stats, port_num, | |
919 | stats->num_counters); | |
920 | if (ret != stats->num_counters) | |
495fbae6 | 921 | goto err_free_hsag; |
b40f4757 CL |
922 | |
923 | stats->timestamp = jiffies; | |
924 | ||
925 | hsag->name = "hw_counters"; | |
926 | hsag->attrs = (void *)hsag + sizeof(*hsag); | |
927 | ||
928 | for (i = 0; i < stats->num_counters; i++) { | |
929 | hsag->attrs[i] = alloc_hsa(i, port_num, stats->names[i]); | |
930 | if (!hsag->attrs[i]) | |
931 | goto err; | |
8aec013a | 932 | sysfs_attr_init(hsag->attrs[i]); |
b40f4757 CL |
933 | } |
934 | ||
935 | /* treat an error here as non-fatal */ | |
936 | hsag->attrs[i] = alloc_hsa_lifespan("lifespan", port_num); | |
8aec013a MB |
937 | if (hsag->attrs[i]) |
938 | sysfs_attr_init(hsag->attrs[i]); | |
b40f4757 CL |
939 | |
940 | if (port) { | |
941 | struct kobject *kobj = &port->kobj; | |
942 | ret = sysfs_create_group(kobj, hsag); | |
943 | if (ret) | |
944 | goto err; | |
945 | port->hw_stats_ag = hsag; | |
946 | port->hw_stats = stats; | |
947 | } else { | |
948 | struct kobject *kobj = &device->dev.kobj; | |
949 | ret = sysfs_create_group(kobj, hsag); | |
950 | if (ret) | |
951 | goto err; | |
952 | device->hw_stats_ag = hsag; | |
953 | device->hw_stats = stats; | |
954 | } | |
955 | ||
956 | return; | |
957 | ||
958 | err: | |
b40f4757 CL |
959 | for (; i >= 0; i--) |
960 | kfree(hsag->attrs[i]); | |
495fbae6 | 961 | err_free_hsag: |
b40f4757 | 962 | kfree(hsag); |
0147ebcf CIK |
963 | err_free_stats: |
964 | kfree(stats); | |
b40f4757 CL |
965 | return; |
966 | } | |
967 | ||
9a6edb60 RC |
968 | static int add_port(struct ib_device *device, int port_num, |
969 | int (*port_callback)(struct ib_device *, | |
970 | u8, struct kobject *)) | |
1da177e4 LT |
971 | { |
972 | struct ib_port *p; | |
973 | struct ib_port_attr attr; | |
974 | int i; | |
975 | int ret; | |
976 | ||
977 | ret = ib_query_port(device, port_num, &attr); | |
978 | if (ret) | |
979 | return ret; | |
980 | ||
de6eb66b | 981 | p = kzalloc(sizeof *p, GFP_KERNEL); |
1da177e4 LT |
982 | if (!p) |
983 | return -ENOMEM; | |
1da177e4 LT |
984 | |
985 | p->ibdev = device; | |
986 | p->port_num = port_num; | |
1da177e4 | 987 | |
35be0681 | 988 | ret = kobject_init_and_add(&p->kobj, &port_type, |
373c0ea1 | 989 | device->ports_parent, |
35be0681 | 990 | "%d", port_num); |
cad6d02a HE |
991 | if (ret) { |
992 | kfree(p); | |
993 | return ret; | |
994 | } | |
1da177e4 | 995 | |
470be516 MB |
996 | p->gid_attr_group = kzalloc(sizeof(*p->gid_attr_group), GFP_KERNEL); |
997 | if (!p->gid_attr_group) { | |
998 | ret = -ENOMEM; | |
999 | goto err_put; | |
1000 | } | |
1001 | ||
1002 | p->gid_attr_group->port = p; | |
1003 | ret = kobject_init_and_add(&p->gid_attr_group->kobj, &gid_attr_type, | |
1004 | &p->kobj, "gid_attrs"); | |
1005 | if (ret) { | |
1006 | kfree(p->gid_attr_group); | |
1007 | goto err_put; | |
1008 | } | |
1009 | ||
6e2a51a0 | 1010 | p->pma_table = get_counter_table(device, port_num); |
145d9c54 | 1011 | ret = sysfs_create_group(&p->kobj, p->pma_table); |
1da177e4 | 1012 | if (ret) |
470be516 | 1013 | goto err_put_gid_attrs; |
1da177e4 | 1014 | |
1da177e4 | 1015 | p->gid_group.name = "gids"; |
d48593bf | 1016 | p->gid_group.attrs = alloc_group_attrs(show_port_gid, attr.gid_tbl_len); |
80b15043 WY |
1017 | if (!p->gid_group.attrs) { |
1018 | ret = -ENOMEM; | |
d48593bf | 1019 | goto err_remove_pma; |
80b15043 | 1020 | } |
1da177e4 LT |
1021 | |
1022 | ret = sysfs_create_group(&p->kobj, &p->gid_group); | |
1023 | if (ret) | |
1024 | goto err_free_gid; | |
1025 | ||
470be516 MB |
1026 | p->gid_attr_group->ndev.name = "ndevs"; |
1027 | p->gid_attr_group->ndev.attrs = alloc_group_attrs(show_port_gid_attr_ndev, | |
1028 | attr.gid_tbl_len); | |
1029 | if (!p->gid_attr_group->ndev.attrs) { | |
1030 | ret = -ENOMEM; | |
1031 | goto err_remove_gid; | |
1032 | } | |
1033 | ||
1034 | ret = sysfs_create_group(&p->gid_attr_group->kobj, | |
1035 | &p->gid_attr_group->ndev); | |
1036 | if (ret) | |
1037 | goto err_free_gid_ndev; | |
1038 | ||
1039 | p->gid_attr_group->type.name = "types"; | |
1040 | p->gid_attr_group->type.attrs = alloc_group_attrs(show_port_gid_attr_gid_type, | |
1041 | attr.gid_tbl_len); | |
1042 | if (!p->gid_attr_group->type.attrs) { | |
1043 | ret = -ENOMEM; | |
1044 | goto err_remove_gid_ndev; | |
1045 | } | |
1046 | ||
1047 | ret = sysfs_create_group(&p->gid_attr_group->kobj, | |
1048 | &p->gid_attr_group->type); | |
1049 | if (ret) | |
1050 | goto err_free_gid_type; | |
1051 | ||
1da177e4 | 1052 | p->pkey_group.name = "pkeys"; |
d48593bf DT |
1053 | p->pkey_group.attrs = alloc_group_attrs(show_port_pkey, |
1054 | attr.pkey_tbl_len); | |
80b15043 WY |
1055 | if (!p->pkey_group.attrs) { |
1056 | ret = -ENOMEM; | |
470be516 | 1057 | goto err_remove_gid_type; |
80b15043 | 1058 | } |
1da177e4 LT |
1059 | |
1060 | ret = sysfs_create_group(&p->kobj, &p->pkey_group); | |
1061 | if (ret) | |
1062 | goto err_free_pkey; | |
1063 | ||
9a6edb60 RC |
1064 | if (port_callback) { |
1065 | ret = port_callback(device, port_num, &p->kobj); | |
1066 | if (ret) | |
1067 | goto err_remove_pkey; | |
1068 | } | |
1069 | ||
b40f4757 CL |
1070 | /* |
1071 | * If port == 0, it means we have only one port and the parent | |
1072 | * device, not this port device, should be the holder of the | |
1073 | * hw_counters | |
1074 | */ | |
1075 | if (device->alloc_hw_stats && port_num) | |
1076 | setup_hw_stats(device, p, port_num); | |
1077 | ||
1da177e4 LT |
1078 | list_add_tail(&p->kobj.entry, &device->port_list); |
1079 | ||
35be0681 | 1080 | kobject_uevent(&p->kobj, KOBJ_ADD); |
1da177e4 LT |
1081 | return 0; |
1082 | ||
9a6edb60 RC |
1083 | err_remove_pkey: |
1084 | sysfs_remove_group(&p->kobj, &p->pkey_group); | |
1085 | ||
1da177e4 | 1086 | err_free_pkey: |
d48593bf DT |
1087 | for (i = 0; i < attr.pkey_tbl_len; ++i) |
1088 | kfree(p->pkey_group.attrs[i]); | |
1da177e4 | 1089 | |
d48593bf | 1090 | kfree(p->pkey_group.attrs); |
cad6d02a | 1091 | p->pkey_group.attrs = NULL; |
1da177e4 | 1092 | |
470be516 MB |
1093 | err_remove_gid_type: |
1094 | sysfs_remove_group(&p->gid_attr_group->kobj, | |
1095 | &p->gid_attr_group->type); | |
1096 | ||
1097 | err_free_gid_type: | |
1098 | for (i = 0; i < attr.gid_tbl_len; ++i) | |
1099 | kfree(p->gid_attr_group->type.attrs[i]); | |
1100 | ||
1101 | kfree(p->gid_attr_group->type.attrs); | |
1102 | p->gid_attr_group->type.attrs = NULL; | |
1103 | ||
1104 | err_remove_gid_ndev: | |
1105 | sysfs_remove_group(&p->gid_attr_group->kobj, | |
1106 | &p->gid_attr_group->ndev); | |
1107 | ||
1108 | err_free_gid_ndev: | |
1109 | for (i = 0; i < attr.gid_tbl_len; ++i) | |
1110 | kfree(p->gid_attr_group->ndev.attrs[i]); | |
1111 | ||
1112 | kfree(p->gid_attr_group->ndev.attrs); | |
1113 | p->gid_attr_group->ndev.attrs = NULL; | |
1114 | ||
1da177e4 LT |
1115 | err_remove_gid: |
1116 | sysfs_remove_group(&p->kobj, &p->gid_group); | |
1117 | ||
1118 | err_free_gid: | |
d48593bf DT |
1119 | for (i = 0; i < attr.gid_tbl_len; ++i) |
1120 | kfree(p->gid_group.attrs[i]); | |
1da177e4 | 1121 | |
d48593bf | 1122 | kfree(p->gid_group.attrs); |
cad6d02a | 1123 | p->gid_group.attrs = NULL; |
1da177e4 LT |
1124 | |
1125 | err_remove_pma: | |
145d9c54 | 1126 | sysfs_remove_group(&p->kobj, p->pma_table); |
1da177e4 | 1127 | |
470be516 MB |
1128 | err_put_gid_attrs: |
1129 | kobject_put(&p->gid_attr_group->kobj); | |
1130 | ||
1da177e4 | 1131 | err_put: |
cad6d02a | 1132 | kobject_put(&p->kobj); |
1da177e4 LT |
1133 | return ret; |
1134 | } | |
1135 | ||
f4e91eb4 TJ |
1136 | static ssize_t show_node_type(struct device *device, |
1137 | struct device_attribute *attr, char *buf) | |
1da177e4 | 1138 | { |
f4e91eb4 | 1139 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
1da177e4 LT |
1140 | |
1141 | switch (dev->node_type) { | |
07ebafba TT |
1142 | case RDMA_NODE_IB_CA: return sprintf(buf, "%d: CA\n", dev->node_type); |
1143 | case RDMA_NODE_RNIC: return sprintf(buf, "%d: RNIC\n", dev->node_type); | |
180771a3 | 1144 | case RDMA_NODE_USNIC: return sprintf(buf, "%d: usNIC\n", dev->node_type); |
5db5765e | 1145 | case RDMA_NODE_USNIC_UDP: return sprintf(buf, "%d: usNIC UDP\n", dev->node_type); |
07ebafba TT |
1146 | case RDMA_NODE_IB_SWITCH: return sprintf(buf, "%d: switch\n", dev->node_type); |
1147 | case RDMA_NODE_IB_ROUTER: return sprintf(buf, "%d: router\n", dev->node_type); | |
1148 | default: return sprintf(buf, "%d: <unknown>\n", dev->node_type); | |
1da177e4 LT |
1149 | } |
1150 | } | |
1151 | ||
f4e91eb4 TJ |
1152 | static ssize_t show_sys_image_guid(struct device *device, |
1153 | struct device_attribute *dev_attr, char *buf) | |
1da177e4 | 1154 | { |
f4e91eb4 | 1155 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
1da177e4 LT |
1156 | |
1157 | return sprintf(buf, "%04x:%04x:%04x:%04x\n", | |
86bee4c9 OG |
1158 | be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[0]), |
1159 | be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[1]), | |
1160 | be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[2]), | |
1161 | be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[3])); | |
1da177e4 LT |
1162 | } |
1163 | ||
f4e91eb4 TJ |
1164 | static ssize_t show_node_guid(struct device *device, |
1165 | struct device_attribute *attr, char *buf) | |
1da177e4 | 1166 | { |
f4e91eb4 | 1167 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
1da177e4 | 1168 | |
1da177e4 | 1169 | return sprintf(buf, "%04x:%04x:%04x:%04x\n", |
cf311cd4 SH |
1170 | be16_to_cpu(((__be16 *) &dev->node_guid)[0]), |
1171 | be16_to_cpu(((__be16 *) &dev->node_guid)[1]), | |
1172 | be16_to_cpu(((__be16 *) &dev->node_guid)[2]), | |
1173 | be16_to_cpu(((__be16 *) &dev->node_guid)[3])); | |
1da177e4 LT |
1174 | } |
1175 | ||
f4e91eb4 TJ |
1176 | static ssize_t show_node_desc(struct device *device, |
1177 | struct device_attribute *attr, char *buf) | |
c5bcbbb9 | 1178 | { |
f4e91eb4 | 1179 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
c5bcbbb9 RD |
1180 | |
1181 | return sprintf(buf, "%.64s\n", dev->node_desc); | |
1182 | } | |
1183 | ||
f4e91eb4 TJ |
1184 | static ssize_t set_node_desc(struct device *device, |
1185 | struct device_attribute *attr, | |
1186 | const char *buf, size_t count) | |
c5bcbbb9 | 1187 | { |
f4e91eb4 | 1188 | struct ib_device *dev = container_of(device, struct ib_device, dev); |
c5bcbbb9 RD |
1189 | struct ib_device_modify desc = {}; |
1190 | int ret; | |
1191 | ||
1192 | if (!dev->modify_device) | |
1193 | return -EIO; | |
1194 | ||
1195 | memcpy(desc.node_desc, buf, min_t(int, count, 64)); | |
1196 | ret = ib_modify_device(dev, IB_DEVICE_MODIFY_NODE_DESC, &desc); | |
1197 | if (ret) | |
1198 | return ret; | |
1199 | ||
1200 | return count; | |
1201 | } | |
1202 | ||
f4e91eb4 TJ |
1203 | static DEVICE_ATTR(node_type, S_IRUGO, show_node_type, NULL); |
1204 | static DEVICE_ATTR(sys_image_guid, S_IRUGO, show_sys_image_guid, NULL); | |
1205 | static DEVICE_ATTR(node_guid, S_IRUGO, show_node_guid, NULL); | |
1206 | static DEVICE_ATTR(node_desc, S_IRUGO | S_IWUSR, show_node_desc, set_node_desc); | |
1207 | ||
1208 | static struct device_attribute *ib_class_attributes[] = { | |
1209 | &dev_attr_node_type, | |
1210 | &dev_attr_sys_image_guid, | |
1211 | &dev_attr_node_guid, | |
1212 | &dev_attr_node_desc | |
1da177e4 LT |
1213 | }; |
1214 | ||
584482ac HE |
1215 | static void free_port_list_attributes(struct ib_device *device) |
1216 | { | |
1217 | struct kobject *p, *t; | |
1218 | ||
1219 | list_for_each_entry_safe(p, t, &device->port_list, entry) { | |
1220 | struct ib_port *port = container_of(p, struct ib_port, kobj); | |
1221 | list_del(&p->entry); | |
b40f4757 CL |
1222 | if (port->hw_stats) { |
1223 | kfree(port->hw_stats); | |
1224 | free_hsag(&port->kobj, port->hw_stats_ag); | |
1225 | } | |
145d9c54 | 1226 | sysfs_remove_group(p, port->pma_table); |
584482ac HE |
1227 | sysfs_remove_group(p, &port->pkey_group); |
1228 | sysfs_remove_group(p, &port->gid_group); | |
470be516 MB |
1229 | sysfs_remove_group(&port->gid_attr_group->kobj, |
1230 | &port->gid_attr_group->ndev); | |
1231 | sysfs_remove_group(&port->gid_attr_group->kobj, | |
1232 | &port->gid_attr_group->type); | |
1233 | kobject_put(&port->gid_attr_group->kobj); | |
584482ac HE |
1234 | kobject_put(p); |
1235 | } | |
1236 | ||
1237 | kobject_put(device->ports_parent); | |
1238 | } | |
1239 | ||
9a6edb60 RC |
1240 | int ib_device_register_sysfs(struct ib_device *device, |
1241 | int (*port_callback)(struct ib_device *, | |
1242 | u8, struct kobject *)) | |
1da177e4 | 1243 | { |
f4e91eb4 | 1244 | struct device *class_dev = &device->dev; |
1da177e4 LT |
1245 | int ret; |
1246 | int i; | |
1247 | ||
55aeed06 JG |
1248 | device->dev.parent = device->dma_device; |
1249 | ret = dev_set_name(class_dev, "%s", device->name); | |
1250 | if (ret) | |
1251 | return ret; | |
1da177e4 | 1252 | |
55aeed06 | 1253 | ret = device_add(class_dev); |
1da177e4 LT |
1254 | if (ret) |
1255 | goto err; | |
1256 | ||
1257 | for (i = 0; i < ARRAY_SIZE(ib_class_attributes); ++i) { | |
f4e91eb4 | 1258 | ret = device_create_file(class_dev, ib_class_attributes[i]); |
1da177e4 LT |
1259 | if (ret) |
1260 | goto err_unregister; | |
1261 | } | |
1262 | ||
35be0681 | 1263 | device->ports_parent = kobject_create_and_add("ports", |
373c0ea1 | 1264 | &class_dev->kobj); |
c7482b81 LZ |
1265 | if (!device->ports_parent) { |
1266 | ret = -ENOMEM; | |
1da177e4 | 1267 | goto err_put; |
c7482b81 | 1268 | } |
1da177e4 | 1269 | |
4139032b | 1270 | if (rdma_cap_ib_switch(device)) { |
9a6edb60 | 1271 | ret = add_port(device, 0, port_callback); |
1da177e4 LT |
1272 | if (ret) |
1273 | goto err_put; | |
1274 | } else { | |
1da177e4 | 1275 | for (i = 1; i <= device->phys_port_cnt; ++i) { |
9a6edb60 | 1276 | ret = add_port(device, i, port_callback); |
1da177e4 LT |
1277 | if (ret) |
1278 | goto err_put; | |
1279 | } | |
1280 | } | |
1281 | ||
b40f4757 CL |
1282 | if (device->alloc_hw_stats) |
1283 | setup_hw_stats(device, NULL, 0); | |
7f624d02 | 1284 | |
1da177e4 LT |
1285 | return 0; |
1286 | ||
1287 | err_put: | |
584482ac | 1288 | free_port_list_attributes(device); |
1da177e4 | 1289 | |
1da177e4 | 1290 | err_unregister: |
f4e91eb4 | 1291 | device_unregister(class_dev); |
1da177e4 LT |
1292 | |
1293 | err: | |
1294 | return ret; | |
1295 | } | |
1296 | ||
1297 | void ib_device_unregister_sysfs(struct ib_device *device) | |
1298 | { | |
584482ac | 1299 | int i; |
9206dff1 | 1300 | |
b40f4757 CL |
1301 | /* Hold kobject until ib_dealloc_device() */ |
1302 | kobject_get(&device->dev.kobj); | |
584482ac HE |
1303 | |
1304 | free_port_list_attributes(device); | |
1305 | ||
b40f4757 CL |
1306 | if (device->hw_stats) { |
1307 | kfree(device->hw_stats); | |
1308 | free_hsag(&device->dev.kobj, device->hw_stats_ag); | |
1309 | } | |
1310 | ||
584482ac HE |
1311 | for (i = 0; i < ARRAY_SIZE(ib_class_attributes); ++i) |
1312 | device_remove_file(&device->dev, ib_class_attributes[i]); | |
1da177e4 | 1313 | |
f4e91eb4 | 1314 | device_unregister(&device->dev); |
1da177e4 | 1315 | } |