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f931551b RC |
1 | /* |
2 | * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved. | |
3 | * Copyright (c) 2006 PathScale, Inc. All rights reserved. | |
4 | * | |
5 | * This software is available to you under a choice of one of two | |
6 | * licenses. You may choose to be licensed under the terms of the GNU | |
7 | * General Public License (GPL) Version 2, available from the file | |
8 | * COPYING in the main directory of this source tree, or the | |
9 | * OpenIB.org BSD license below: | |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or | |
12 | * without modification, are permitted provided that the following | |
13 | * conditions are met: | |
14 | * | |
15 | * - Redistributions of source code must retain the above | |
16 | * copyright notice, this list of conditions and the following | |
17 | * disclaimer. | |
18 | * | |
19 | * - Redistributions in binary form must reproduce the above | |
20 | * copyright notice, this list of conditions and the following | |
21 | * disclaimer in the documentation and/or other materials | |
22 | * provided with the distribution. | |
23 | * | |
24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
25 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
26 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
27 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
28 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
29 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
30 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
31 | * SOFTWARE. | |
32 | */ | |
33 | #include <linux/ctype.h> | |
34 | ||
35 | #include "qib.h" | |
36 | ||
37 | /** | |
38 | * qib_parse_ushort - parse an unsigned short value in an arbitrary base | |
39 | * @str: the string containing the number | |
40 | * @valp: where to put the result | |
41 | * | |
42 | * Returns the number of bytes consumed, or negative value on error. | |
43 | */ | |
44 | static int qib_parse_ushort(const char *str, unsigned short *valp) | |
45 | { | |
46 | unsigned long val; | |
47 | char *end; | |
48 | int ret; | |
49 | ||
50 | if (!isdigit(str[0])) { | |
51 | ret = -EINVAL; | |
52 | goto bail; | |
53 | } | |
54 | ||
55 | val = simple_strtoul(str, &end, 0); | |
56 | ||
57 | if (val > 0xffff) { | |
58 | ret = -EINVAL; | |
59 | goto bail; | |
60 | } | |
61 | ||
62 | *valp = val; | |
63 | ||
64 | ret = end + 1 - str; | |
65 | if (ret == 0) | |
66 | ret = -EINVAL; | |
67 | ||
68 | bail: | |
69 | return ret; | |
70 | } | |
71 | ||
72 | /* start of per-port functions */ | |
73 | /* | |
74 | * Get/Set heartbeat enable. OR of 1=enabled, 2=auto | |
75 | */ | |
76 | static ssize_t show_hrtbt_enb(struct qib_pportdata *ppd, char *buf) | |
77 | { | |
78 | struct qib_devdata *dd = ppd->dd; | |
79 | int ret; | |
80 | ||
81 | ret = dd->f_get_ib_cfg(ppd, QIB_IB_CFG_HRTBT); | |
82 | ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret); | |
83 | return ret; | |
84 | } | |
85 | ||
86 | static ssize_t store_hrtbt_enb(struct qib_pportdata *ppd, const char *buf, | |
87 | size_t count) | |
88 | { | |
89 | struct qib_devdata *dd = ppd->dd; | |
90 | int ret; | |
91 | u16 val; | |
92 | ||
93 | ret = qib_parse_ushort(buf, &val); | |
94 | ||
95 | /* | |
96 | * Set the "intentional" heartbeat enable per either of | |
97 | * "Enable" and "Auto", as these are normally set together. | |
98 | * This bit is consulted when leaving loopback mode, | |
99 | * because entering loopback mode overrides it and automatically | |
100 | * disables heartbeat. | |
101 | */ | |
102 | if (ret >= 0) | |
103 | ret = dd->f_set_ib_cfg(ppd, QIB_IB_CFG_HRTBT, val); | |
104 | if (ret < 0) | |
105 | qib_dev_err(dd, "attempt to set invalid Heartbeat enable\n"); | |
106 | return ret < 0 ? ret : count; | |
107 | } | |
108 | ||
109 | static ssize_t store_loopback(struct qib_pportdata *ppd, const char *buf, | |
110 | size_t count) | |
111 | { | |
112 | struct qib_devdata *dd = ppd->dd; | |
113 | int ret = count, r; | |
114 | ||
115 | r = dd->f_set_ib_loopback(ppd, buf); | |
116 | if (r < 0) | |
117 | ret = r; | |
118 | ||
119 | return ret; | |
120 | } | |
121 | ||
122 | static ssize_t store_led_override(struct qib_pportdata *ppd, const char *buf, | |
123 | size_t count) | |
124 | { | |
125 | struct qib_devdata *dd = ppd->dd; | |
126 | int ret; | |
127 | u16 val; | |
128 | ||
129 | ret = qib_parse_ushort(buf, &val); | |
130 | if (ret > 0) | |
131 | qib_set_led_override(ppd, val); | |
132 | else | |
133 | qib_dev_err(dd, "attempt to set invalid LED override\n"); | |
134 | return ret < 0 ? ret : count; | |
135 | } | |
136 | ||
137 | static ssize_t show_status(struct qib_pportdata *ppd, char *buf) | |
138 | { | |
139 | ssize_t ret; | |
140 | ||
141 | if (!ppd->statusp) | |
142 | ret = -EINVAL; | |
143 | else | |
144 | ret = scnprintf(buf, PAGE_SIZE, "0x%llx\n", | |
145 | (unsigned long long) *(ppd->statusp)); | |
146 | return ret; | |
147 | } | |
148 | ||
149 | /* | |
150 | * For userland compatibility, these offsets must remain fixed. | |
151 | * They are strings for QIB_STATUS_* | |
152 | */ | |
153 | static const char *qib_status_str[] = { | |
154 | "Initted", | |
155 | "", | |
156 | "", | |
157 | "", | |
158 | "", | |
159 | "Present", | |
160 | "IB_link_up", | |
161 | "IB_configured", | |
162 | "", | |
163 | "Fatal_Hardware_Error", | |
164 | NULL, | |
165 | }; | |
166 | ||
167 | static ssize_t show_status_str(struct qib_pportdata *ppd, char *buf) | |
168 | { | |
169 | int i, any; | |
170 | u64 s; | |
171 | ssize_t ret; | |
172 | ||
173 | if (!ppd->statusp) { | |
174 | ret = -EINVAL; | |
175 | goto bail; | |
176 | } | |
177 | ||
178 | s = *(ppd->statusp); | |
179 | *buf = '\0'; | |
180 | for (any = i = 0; s && qib_status_str[i]; i++) { | |
181 | if (s & 1) { | |
182 | /* if overflow */ | |
183 | if (any && strlcat(buf, " ", PAGE_SIZE) >= PAGE_SIZE) | |
184 | break; | |
185 | if (strlcat(buf, qib_status_str[i], PAGE_SIZE) >= | |
186 | PAGE_SIZE) | |
187 | break; | |
188 | any = 1; | |
189 | } | |
190 | s >>= 1; | |
191 | } | |
192 | if (any) | |
193 | strlcat(buf, "\n", PAGE_SIZE); | |
194 | ||
195 | ret = strlen(buf); | |
196 | ||
197 | bail: | |
198 | return ret; | |
199 | } | |
200 | ||
201 | /* end of per-port functions */ | |
202 | ||
203 | /* | |
204 | * Start of per-port file structures and support code | |
205 | * Because we are fitting into other infrastructure, we have to supply the | |
206 | * full set of kobject/sysfs_ops structures and routines. | |
207 | */ | |
208 | #define QIB_PORT_ATTR(name, mode, show, store) \ | |
209 | static struct qib_port_attr qib_port_attr_##name = \ | |
210 | __ATTR(name, mode, show, store) | |
211 | ||
212 | struct qib_port_attr { | |
213 | struct attribute attr; | |
214 | ssize_t (*show)(struct qib_pportdata *, char *); | |
215 | ssize_t (*store)(struct qib_pportdata *, const char *, size_t); | |
216 | }; | |
217 | ||
218 | QIB_PORT_ATTR(loopback, S_IWUSR, NULL, store_loopback); | |
219 | QIB_PORT_ATTR(led_override, S_IWUSR, NULL, store_led_override); | |
220 | QIB_PORT_ATTR(hrtbt_enable, S_IWUSR | S_IRUGO, show_hrtbt_enb, | |
221 | store_hrtbt_enb); | |
222 | QIB_PORT_ATTR(status, S_IRUGO, show_status, NULL); | |
223 | QIB_PORT_ATTR(status_str, S_IRUGO, show_status_str, NULL); | |
224 | ||
225 | static struct attribute *port_default_attributes[] = { | |
226 | &qib_port_attr_loopback.attr, | |
227 | &qib_port_attr_led_override.attr, | |
228 | &qib_port_attr_hrtbt_enable.attr, | |
229 | &qib_port_attr_status.attr, | |
230 | &qib_port_attr_status_str.attr, | |
231 | NULL | |
232 | }; | |
233 | ||
234 | static ssize_t qib_portattr_show(struct kobject *kobj, | |
235 | struct attribute *attr, char *buf) | |
236 | { | |
237 | struct qib_port_attr *pattr = | |
238 | container_of(attr, struct qib_port_attr, attr); | |
239 | struct qib_pportdata *ppd = | |
240 | container_of(kobj, struct qib_pportdata, pport_kobj); | |
241 | ||
242 | return pattr->show(ppd, buf); | |
243 | } | |
244 | ||
245 | static ssize_t qib_portattr_store(struct kobject *kobj, | |
246 | struct attribute *attr, const char *buf, size_t len) | |
247 | { | |
248 | struct qib_port_attr *pattr = | |
249 | container_of(attr, struct qib_port_attr, attr); | |
250 | struct qib_pportdata *ppd = | |
251 | container_of(kobj, struct qib_pportdata, pport_kobj); | |
252 | ||
253 | return pattr->store(ppd, buf, len); | |
254 | } | |
255 | ||
256 | static void qib_port_release(struct kobject *kobj) | |
257 | { | |
258 | /* nothing to do since memory is freed by qib_free_devdata() */ | |
259 | } | |
260 | ||
261 | static const struct sysfs_ops qib_port_ops = { | |
262 | .show = qib_portattr_show, | |
263 | .store = qib_portattr_store, | |
264 | }; | |
265 | ||
266 | static struct kobj_type qib_port_ktype = { | |
267 | .release = qib_port_release, | |
268 | .sysfs_ops = &qib_port_ops, | |
269 | .default_attrs = port_default_attributes | |
270 | }; | |
271 | ||
272 | /* Start sl2vl */ | |
273 | ||
274 | #define QIB_SL2VL_ATTR(N) \ | |
275 | static struct qib_sl2vl_attr qib_sl2vl_attr_##N = { \ | |
276 | .attr = { .name = __stringify(N), .mode = 0444 }, \ | |
277 | .sl = N \ | |
278 | } | |
279 | ||
280 | struct qib_sl2vl_attr { | |
281 | struct attribute attr; | |
282 | int sl; | |
283 | }; | |
284 | ||
285 | QIB_SL2VL_ATTR(0); | |
286 | QIB_SL2VL_ATTR(1); | |
287 | QIB_SL2VL_ATTR(2); | |
288 | QIB_SL2VL_ATTR(3); | |
289 | QIB_SL2VL_ATTR(4); | |
290 | QIB_SL2VL_ATTR(5); | |
291 | QIB_SL2VL_ATTR(6); | |
292 | QIB_SL2VL_ATTR(7); | |
293 | QIB_SL2VL_ATTR(8); | |
294 | QIB_SL2VL_ATTR(9); | |
295 | QIB_SL2VL_ATTR(10); | |
296 | QIB_SL2VL_ATTR(11); | |
297 | QIB_SL2VL_ATTR(12); | |
298 | QIB_SL2VL_ATTR(13); | |
299 | QIB_SL2VL_ATTR(14); | |
300 | QIB_SL2VL_ATTR(15); | |
301 | ||
302 | static struct attribute *sl2vl_default_attributes[] = { | |
303 | &qib_sl2vl_attr_0.attr, | |
304 | &qib_sl2vl_attr_1.attr, | |
305 | &qib_sl2vl_attr_2.attr, | |
306 | &qib_sl2vl_attr_3.attr, | |
307 | &qib_sl2vl_attr_4.attr, | |
308 | &qib_sl2vl_attr_5.attr, | |
309 | &qib_sl2vl_attr_6.attr, | |
310 | &qib_sl2vl_attr_7.attr, | |
311 | &qib_sl2vl_attr_8.attr, | |
312 | &qib_sl2vl_attr_9.attr, | |
313 | &qib_sl2vl_attr_10.attr, | |
314 | &qib_sl2vl_attr_11.attr, | |
315 | &qib_sl2vl_attr_12.attr, | |
316 | &qib_sl2vl_attr_13.attr, | |
317 | &qib_sl2vl_attr_14.attr, | |
318 | &qib_sl2vl_attr_15.attr, | |
319 | NULL | |
320 | }; | |
321 | ||
322 | static ssize_t sl2vl_attr_show(struct kobject *kobj, struct attribute *attr, | |
323 | char *buf) | |
324 | { | |
325 | struct qib_sl2vl_attr *sattr = | |
326 | container_of(attr, struct qib_sl2vl_attr, attr); | |
327 | struct qib_pportdata *ppd = | |
328 | container_of(kobj, struct qib_pportdata, sl2vl_kobj); | |
329 | struct qib_ibport *qibp = &ppd->ibport_data; | |
330 | ||
331 | return sprintf(buf, "%u\n", qibp->sl_to_vl[sattr->sl]); | |
332 | } | |
333 | ||
334 | static const struct sysfs_ops qib_sl2vl_ops = { | |
335 | .show = sl2vl_attr_show, | |
336 | }; | |
337 | ||
338 | static struct kobj_type qib_sl2vl_ktype = { | |
339 | .release = qib_port_release, | |
340 | .sysfs_ops = &qib_sl2vl_ops, | |
341 | .default_attrs = sl2vl_default_attributes | |
342 | }; | |
343 | ||
344 | /* End sl2vl */ | |
345 | ||
346 | /* Start diag_counters */ | |
347 | ||
348 | #define QIB_DIAGC_ATTR(N) \ | |
349 | static struct qib_diagc_attr qib_diagc_attr_##N = { \ | |
4c6931f5 | 350 | .attr = { .name = __stringify(N), .mode = 0664 }, \ |
f931551b RC |
351 | .counter = offsetof(struct qib_ibport, n_##N) \ |
352 | } | |
353 | ||
354 | struct qib_diagc_attr { | |
355 | struct attribute attr; | |
356 | size_t counter; | |
357 | }; | |
358 | ||
359 | QIB_DIAGC_ATTR(rc_resends); | |
360 | QIB_DIAGC_ATTR(rc_acks); | |
361 | QIB_DIAGC_ATTR(rc_qacks); | |
362 | QIB_DIAGC_ATTR(rc_delayed_comp); | |
363 | QIB_DIAGC_ATTR(seq_naks); | |
364 | QIB_DIAGC_ATTR(rdma_seq); | |
365 | QIB_DIAGC_ATTR(rnr_naks); | |
366 | QIB_DIAGC_ATTR(other_naks); | |
367 | QIB_DIAGC_ATTR(rc_timeouts); | |
368 | QIB_DIAGC_ATTR(loop_pkts); | |
369 | QIB_DIAGC_ATTR(pkt_drops); | |
370 | QIB_DIAGC_ATTR(dmawait); | |
371 | QIB_DIAGC_ATTR(unaligned); | |
372 | QIB_DIAGC_ATTR(rc_dupreq); | |
373 | QIB_DIAGC_ATTR(rc_seqnak); | |
374 | ||
375 | static struct attribute *diagc_default_attributes[] = { | |
376 | &qib_diagc_attr_rc_resends.attr, | |
377 | &qib_diagc_attr_rc_acks.attr, | |
378 | &qib_diagc_attr_rc_qacks.attr, | |
379 | &qib_diagc_attr_rc_delayed_comp.attr, | |
380 | &qib_diagc_attr_seq_naks.attr, | |
381 | &qib_diagc_attr_rdma_seq.attr, | |
382 | &qib_diagc_attr_rnr_naks.attr, | |
383 | &qib_diagc_attr_other_naks.attr, | |
384 | &qib_diagc_attr_rc_timeouts.attr, | |
385 | &qib_diagc_attr_loop_pkts.attr, | |
386 | &qib_diagc_attr_pkt_drops.attr, | |
387 | &qib_diagc_attr_dmawait.attr, | |
388 | &qib_diagc_attr_unaligned.attr, | |
389 | &qib_diagc_attr_rc_dupreq.attr, | |
390 | &qib_diagc_attr_rc_seqnak.attr, | |
391 | NULL | |
392 | }; | |
393 | ||
394 | static ssize_t diagc_attr_show(struct kobject *kobj, struct attribute *attr, | |
395 | char *buf) | |
396 | { | |
397 | struct qib_diagc_attr *dattr = | |
398 | container_of(attr, struct qib_diagc_attr, attr); | |
399 | struct qib_pportdata *ppd = | |
400 | container_of(kobj, struct qib_pportdata, diagc_kobj); | |
401 | struct qib_ibport *qibp = &ppd->ibport_data; | |
402 | ||
403 | return sprintf(buf, "%u\n", *(u32 *)((char *)qibp + dattr->counter)); | |
404 | } | |
405 | ||
4c6931f5 IW |
406 | static ssize_t diagc_attr_store(struct kobject *kobj, struct attribute *attr, |
407 | const char *buf, size_t size) | |
408 | { | |
409 | struct qib_diagc_attr *dattr = | |
410 | container_of(attr, struct qib_diagc_attr, attr); | |
411 | struct qib_pportdata *ppd = | |
412 | container_of(kobj, struct qib_pportdata, diagc_kobj); | |
413 | struct qib_ibport *qibp = &ppd->ibport_data; | |
414 | char *endp; | |
415 | long val = simple_strtol(buf, &endp, 0); | |
416 | ||
417 | if (val < 0 || endp == buf) | |
418 | return -EINVAL; | |
419 | ||
420 | *(u32 *)((char *) qibp + dattr->counter) = val; | |
421 | return size; | |
422 | } | |
423 | ||
f931551b RC |
424 | static const struct sysfs_ops qib_diagc_ops = { |
425 | .show = diagc_attr_show, | |
4c6931f5 | 426 | .store = diagc_attr_store, |
f931551b RC |
427 | }; |
428 | ||
429 | static struct kobj_type qib_diagc_ktype = { | |
430 | .release = qib_port_release, | |
431 | .sysfs_ops = &qib_diagc_ops, | |
432 | .default_attrs = diagc_default_attributes | |
433 | }; | |
434 | ||
435 | /* End diag_counters */ | |
436 | ||
437 | /* end of per-port file structures and support code */ | |
438 | ||
439 | /* | |
440 | * Start of per-unit (or driver, in some cases, but replicated | |
441 | * per unit) functions (these get a device *) | |
442 | */ | |
443 | static ssize_t show_rev(struct device *device, struct device_attribute *attr, | |
444 | char *buf) | |
445 | { | |
446 | struct qib_ibdev *dev = | |
447 | container_of(device, struct qib_ibdev, ibdev.dev); | |
448 | ||
449 | return sprintf(buf, "%x\n", dd_from_dev(dev)->minrev); | |
450 | } | |
451 | ||
452 | static ssize_t show_hca(struct device *device, struct device_attribute *attr, | |
453 | char *buf) | |
454 | { | |
455 | struct qib_ibdev *dev = | |
456 | container_of(device, struct qib_ibdev, ibdev.dev); | |
457 | struct qib_devdata *dd = dd_from_dev(dev); | |
458 | int ret; | |
459 | ||
460 | if (!dd->boardname) | |
461 | ret = -EINVAL; | |
462 | else | |
463 | ret = scnprintf(buf, PAGE_SIZE, "%s\n", dd->boardname); | |
464 | return ret; | |
465 | } | |
466 | ||
467 | static ssize_t show_version(struct device *device, | |
468 | struct device_attribute *attr, char *buf) | |
469 | { | |
470 | /* The string printed here is already newline-terminated. */ | |
471 | return scnprintf(buf, PAGE_SIZE, "%s", (char *)ib_qib_version); | |
472 | } | |
473 | ||
474 | static ssize_t show_boardversion(struct device *device, | |
475 | struct device_attribute *attr, char *buf) | |
476 | { | |
477 | struct qib_ibdev *dev = | |
478 | container_of(device, struct qib_ibdev, ibdev.dev); | |
479 | struct qib_devdata *dd = dd_from_dev(dev); | |
480 | ||
481 | /* The string printed here is already newline-terminated. */ | |
482 | return scnprintf(buf, PAGE_SIZE, "%s", dd->boardversion); | |
483 | } | |
484 | ||
485 | ||
486 | static ssize_t show_localbus_info(struct device *device, | |
487 | struct device_attribute *attr, char *buf) | |
488 | { | |
489 | struct qib_ibdev *dev = | |
490 | container_of(device, struct qib_ibdev, ibdev.dev); | |
491 | struct qib_devdata *dd = dd_from_dev(dev); | |
492 | ||
493 | /* The string printed here is already newline-terminated. */ | |
494 | return scnprintf(buf, PAGE_SIZE, "%s", dd->lbus_info); | |
495 | } | |
496 | ||
497 | ||
498 | static ssize_t show_nctxts(struct device *device, | |
499 | struct device_attribute *attr, char *buf) | |
500 | { | |
501 | struct qib_ibdev *dev = | |
502 | container_of(device, struct qib_ibdev, ibdev.dev); | |
503 | struct qib_devdata *dd = dd_from_dev(dev); | |
504 | ||
505 | /* Return the number of user ports (contexts) available. */ | |
506 | return scnprintf(buf, PAGE_SIZE, "%u\n", dd->cfgctxts - | |
507 | dd->first_user_ctxt); | |
508 | } | |
509 | ||
510 | static ssize_t show_serial(struct device *device, | |
511 | struct device_attribute *attr, char *buf) | |
512 | { | |
513 | struct qib_ibdev *dev = | |
514 | container_of(device, struct qib_ibdev, ibdev.dev); | |
515 | struct qib_devdata *dd = dd_from_dev(dev); | |
516 | ||
517 | buf[sizeof dd->serial] = '\0'; | |
518 | memcpy(buf, dd->serial, sizeof dd->serial); | |
519 | strcat(buf, "\n"); | |
520 | return strlen(buf); | |
521 | } | |
522 | ||
523 | static ssize_t store_chip_reset(struct device *device, | |
524 | struct device_attribute *attr, const char *buf, | |
525 | size_t count) | |
526 | { | |
527 | struct qib_ibdev *dev = | |
528 | container_of(device, struct qib_ibdev, ibdev.dev); | |
529 | struct qib_devdata *dd = dd_from_dev(dev); | |
530 | int ret; | |
531 | ||
532 | if (count < 5 || memcmp(buf, "reset", 5) || !dd->diag_client) { | |
533 | ret = -EINVAL; | |
534 | goto bail; | |
535 | } | |
536 | ||
537 | ret = qib_reset_device(dd->unit); | |
538 | bail: | |
539 | return ret < 0 ? ret : count; | |
540 | } | |
541 | ||
542 | static ssize_t show_logged_errs(struct device *device, | |
543 | struct device_attribute *attr, char *buf) | |
544 | { | |
545 | struct qib_ibdev *dev = | |
546 | container_of(device, struct qib_ibdev, ibdev.dev); | |
547 | struct qib_devdata *dd = dd_from_dev(dev); | |
548 | int idx, count; | |
549 | ||
550 | /* force consistency with actual EEPROM */ | |
551 | if (qib_update_eeprom_log(dd) != 0) | |
552 | return -ENXIO; | |
553 | ||
554 | count = 0; | |
555 | for (idx = 0; idx < QIB_EEP_LOG_CNT; ++idx) { | |
556 | count += scnprintf(buf + count, PAGE_SIZE - count, "%d%c", | |
557 | dd->eep_st_errs[idx], | |
558 | idx == (QIB_EEP_LOG_CNT - 1) ? '\n' : ' '); | |
559 | } | |
560 | ||
561 | return count; | |
562 | } | |
563 | ||
564 | /* | |
565 | * Dump tempsense regs. in decimal, to ease shell-scripts. | |
566 | */ | |
567 | static ssize_t show_tempsense(struct device *device, | |
568 | struct device_attribute *attr, char *buf) | |
569 | { | |
570 | struct qib_ibdev *dev = | |
571 | container_of(device, struct qib_ibdev, ibdev.dev); | |
572 | struct qib_devdata *dd = dd_from_dev(dev); | |
573 | int ret; | |
574 | int idx; | |
575 | u8 regvals[8]; | |
576 | ||
577 | ret = -ENXIO; | |
578 | for (idx = 0; idx < 8; ++idx) { | |
579 | if (idx == 6) | |
580 | continue; | |
581 | ret = dd->f_tempsense_rd(dd, idx); | |
582 | if (ret < 0) | |
583 | break; | |
584 | regvals[idx] = ret; | |
585 | } | |
586 | if (idx == 8) | |
587 | ret = scnprintf(buf, PAGE_SIZE, "%d %d %02X %02X %d %d\n", | |
588 | *(signed char *)(regvals), | |
589 | *(signed char *)(regvals + 1), | |
590 | regvals[2], regvals[3], | |
591 | *(signed char *)(regvals + 5), | |
592 | *(signed char *)(regvals + 7)); | |
593 | return ret; | |
594 | } | |
595 | ||
596 | /* | |
597 | * end of per-unit (or driver, in some cases, but replicated | |
598 | * per unit) functions | |
599 | */ | |
600 | ||
601 | /* start of per-unit file structures and support code */ | |
602 | static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); | |
603 | static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); | |
604 | static DEVICE_ATTR(board_id, S_IRUGO, show_hca, NULL); | |
605 | static DEVICE_ATTR(version, S_IRUGO, show_version, NULL); | |
606 | static DEVICE_ATTR(nctxts, S_IRUGO, show_nctxts, NULL); | |
607 | static DEVICE_ATTR(serial, S_IRUGO, show_serial, NULL); | |
608 | static DEVICE_ATTR(boardversion, S_IRUGO, show_boardversion, NULL); | |
609 | static DEVICE_ATTR(logged_errors, S_IRUGO, show_logged_errs, NULL); | |
610 | static DEVICE_ATTR(tempsense, S_IRUGO, show_tempsense, NULL); | |
611 | static DEVICE_ATTR(localbus_info, S_IRUGO, show_localbus_info, NULL); | |
612 | static DEVICE_ATTR(chip_reset, S_IWUSR, NULL, store_chip_reset); | |
613 | ||
614 | static struct device_attribute *qib_attributes[] = { | |
615 | &dev_attr_hw_rev, | |
616 | &dev_attr_hca_type, | |
617 | &dev_attr_board_id, | |
618 | &dev_attr_version, | |
619 | &dev_attr_nctxts, | |
620 | &dev_attr_serial, | |
621 | &dev_attr_boardversion, | |
622 | &dev_attr_logged_errors, | |
623 | &dev_attr_tempsense, | |
624 | &dev_attr_localbus_info, | |
625 | &dev_attr_chip_reset, | |
626 | }; | |
627 | ||
628 | int qib_create_port_files(struct ib_device *ibdev, u8 port_num, | |
629 | struct kobject *kobj) | |
630 | { | |
631 | struct qib_pportdata *ppd; | |
632 | struct qib_devdata *dd = dd_from_ibdev(ibdev); | |
633 | int ret; | |
634 | ||
635 | if (!port_num || port_num > dd->num_pports) { | |
636 | qib_dev_err(dd, "Skipping infiniband class with " | |
637 | "invalid port %u\n", port_num); | |
638 | ret = -ENODEV; | |
639 | goto bail; | |
640 | } | |
641 | ppd = &dd->pport[port_num - 1]; | |
642 | ||
643 | ret = kobject_init_and_add(&ppd->pport_kobj, &qib_port_ktype, kobj, | |
644 | "linkcontrol"); | |
645 | if (ret) { | |
646 | qib_dev_err(dd, "Skipping linkcontrol sysfs info, " | |
647 | "(err %d) port %u\n", ret, port_num); | |
648 | goto bail; | |
649 | } | |
650 | kobject_uevent(&ppd->pport_kobj, KOBJ_ADD); | |
651 | ||
652 | ret = kobject_init_and_add(&ppd->sl2vl_kobj, &qib_sl2vl_ktype, kobj, | |
653 | "sl2vl"); | |
654 | if (ret) { | |
655 | qib_dev_err(dd, "Skipping sl2vl sysfs info, " | |
656 | "(err %d) port %u\n", ret, port_num); | |
657 | goto bail_sl; | |
658 | } | |
659 | kobject_uevent(&ppd->sl2vl_kobj, KOBJ_ADD); | |
660 | ||
661 | ret = kobject_init_and_add(&ppd->diagc_kobj, &qib_diagc_ktype, kobj, | |
662 | "diag_counters"); | |
663 | if (ret) { | |
664 | qib_dev_err(dd, "Skipping diag_counters sysfs info, " | |
665 | "(err %d) port %u\n", ret, port_num); | |
666 | goto bail_diagc; | |
667 | } | |
668 | kobject_uevent(&ppd->diagc_kobj, KOBJ_ADD); | |
669 | ||
670 | return 0; | |
671 | ||
672 | bail_diagc: | |
673 | kobject_put(&ppd->sl2vl_kobj); | |
674 | bail_sl: | |
675 | kobject_put(&ppd->pport_kobj); | |
676 | bail: | |
677 | return ret; | |
678 | } | |
679 | ||
680 | /* | |
681 | * Register and create our files in /sys/class/infiniband. | |
682 | */ | |
683 | int qib_verbs_register_sysfs(struct qib_devdata *dd) | |
684 | { | |
685 | struct ib_device *dev = &dd->verbs_dev.ibdev; | |
686 | int i, ret; | |
687 | ||
688 | for (i = 0; i < ARRAY_SIZE(qib_attributes); ++i) { | |
689 | ret = device_create_file(&dev->dev, qib_attributes[i]); | |
690 | if (ret) | |
691 | return ret; | |
692 | } | |
693 | ||
694 | return 0; | |
695 | } | |
696 | ||
697 | /* | |
698 | * Unregister and remove our files in /sys/class/infiniband. | |
699 | */ | |
700 | void qib_verbs_unregister_sysfs(struct qib_devdata *dd) | |
701 | { | |
702 | struct qib_pportdata *ppd; | |
703 | int i; | |
704 | ||
705 | for (i = 0; i < dd->num_pports; i++) { | |
706 | ppd = &dd->pport[i]; | |
707 | kobject_put(&ppd->pport_kobj); | |
708 | kobject_put(&ppd->sl2vl_kobj); | |
709 | } | |
710 | } |