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858c9f6c JS |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
3 | * Fibre Channel Host Bus Adapters. * | |
d8e93df1 | 4 | * Copyright (C) 2007-2009 Emulex. All rights reserved. * |
858c9f6c JS |
5 | * EMULEX and SLI are trademarks of Emulex. * |
6 | * www.emulex.com * | |
7 | * * | |
8 | * This program is free software; you can redistribute it and/or * | |
9 | * modify it under the terms of version 2 of the GNU General * | |
10 | * Public License as published by the Free Software Foundation. * | |
11 | * This program is distributed in the hope that it will be useful. * | |
12 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
13 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
14 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
15 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
16 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
17 | * more details, a copy of which can be found in the file COPYING * | |
18 | * included with this package. * | |
19 | *******************************************************************/ | |
20 | ||
21 | #include <linux/blkdev.h> | |
22 | #include <linux/delay.h> | |
23 | #include <linux/dma-mapping.h> | |
24 | #include <linux/idr.h> | |
25 | #include <linux/interrupt.h> | |
26 | #include <linux/kthread.h> | |
27 | #include <linux/pci.h> | |
28 | #include <linux/spinlock.h> | |
29 | #include <linux/ctype.h> | |
858c9f6c JS |
30 | |
31 | #include <scsi/scsi.h> | |
32 | #include <scsi/scsi_device.h> | |
33 | #include <scsi/scsi_host.h> | |
34 | #include <scsi/scsi_transport_fc.h> | |
35 | ||
da0436e9 | 36 | #include "lpfc_hw4.h" |
858c9f6c JS |
37 | #include "lpfc_hw.h" |
38 | #include "lpfc_sli.h" | |
da0436e9 | 39 | #include "lpfc_sli4.h" |
ea2151b4 | 40 | #include "lpfc_nl.h" |
858c9f6c JS |
41 | #include "lpfc_disc.h" |
42 | #include "lpfc_scsi.h" | |
43 | #include "lpfc.h" | |
44 | #include "lpfc_logmsg.h" | |
45 | #include "lpfc_crtn.h" | |
46 | #include "lpfc_vport.h" | |
47 | #include "lpfc_version.h" | |
c95d6c6c | 48 | #include "lpfc_compat.h" |
858c9f6c JS |
49 | #include "lpfc_debugfs.h" |
50 | ||
923e4b6a | 51 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
3621a710 | 52 | /* |
e59058c4 | 53 | * debugfs interface |
858c9f6c JS |
54 | * |
55 | * To access this interface the user should: | |
156f5a78 | 56 | * # mount -t debugfs none /sys/kernel/debug |
858c9f6c | 57 | * |
e59058c4 | 58 | * The lpfc debugfs directory hierarchy is: |
858c9f6c JS |
59 | * lpfc/lpfcX/vportY |
60 | * where X is the lpfc hba unique_id | |
61 | * where Y is the vport VPI on that hba | |
62 | * | |
63 | * Debugging services available per vport: | |
64 | * discovery_trace | |
65 | * This is an ACSII readable file that contains a trace of the last | |
66 | * lpfc_debugfs_max_disc_trc events that happened on a specific vport. | |
e59058c4 JS |
67 | * See lpfc_debugfs.h for different categories of discovery events. |
68 | * To enable the discovery trace, the following module parameters must be set: | |
858c9f6c JS |
69 | * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support |
70 | * lpfc_debugfs_max_disc_trc=X Where X is the event trace depth for | |
71 | * EACH vport. X MUST also be a power of 2. | |
72 | * lpfc_debugfs_mask_disc_trc=Y Where Y is an event mask as defined in | |
73 | * lpfc_debugfs.h . | |
e59058c4 JS |
74 | * |
75 | * slow_ring_trace | |
76 | * This is an ACSII readable file that contains a trace of the last | |
77 | * lpfc_debugfs_max_slow_ring_trc events that happened on a specific HBA. | |
78 | * To enable the slow ring trace, the following module parameters must be set: | |
79 | * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support | |
80 | * lpfc_debugfs_max_slow_ring_trc=X Where X is the event trace depth for | |
81 | * the HBA. X MUST also be a power of 2. | |
858c9f6c | 82 | */ |
51ef4c26 | 83 | static int lpfc_debugfs_enable = 1; |
858c9f6c JS |
84 | module_param(lpfc_debugfs_enable, int, 0); |
85 | MODULE_PARM_DESC(lpfc_debugfs_enable, "Enable debugfs services"); | |
86 | ||
a58cbd52 | 87 | /* This MUST be a power of 2 */ |
c95d6c6c | 88 | static int lpfc_debugfs_max_disc_trc; |
858c9f6c JS |
89 | module_param(lpfc_debugfs_max_disc_trc, int, 0); |
90 | MODULE_PARM_DESC(lpfc_debugfs_max_disc_trc, | |
91 | "Set debugfs discovery trace depth"); | |
92 | ||
a58cbd52 | 93 | /* This MUST be a power of 2 */ |
c95d6c6c | 94 | static int lpfc_debugfs_max_slow_ring_trc; |
a58cbd52 JS |
95 | module_param(lpfc_debugfs_max_slow_ring_trc, int, 0); |
96 | MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc, | |
97 | "Set debugfs slow ring trace depth"); | |
98 | ||
a257bf90 | 99 | static int lpfc_debugfs_mask_disc_trc; |
858c9f6c JS |
100 | module_param(lpfc_debugfs_mask_disc_trc, int, 0); |
101 | MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc, | |
102 | "Set debugfs discovery trace mask"); | |
103 | ||
104 | #include <linux/debugfs.h> | |
105 | ||
a58cbd52 JS |
106 | /* size of output line, for discovery_trace and slow_ring_trace */ |
107 | #define LPFC_DEBUG_TRC_ENTRY_SIZE 100 | |
858c9f6c JS |
108 | |
109 | /* nodelist output buffer size */ | |
110 | #define LPFC_NODELIST_SIZE 8192 | |
111 | #define LPFC_NODELIST_ENTRY_SIZE 120 | |
112 | ||
c95d6c6c JS |
113 | /* dumpHBASlim output buffer size */ |
114 | #define LPFC_DUMPHBASLIM_SIZE 4096 | |
115 | ||
116 | /* dumpHostSlim output buffer size */ | |
117 | #define LPFC_DUMPHOSTSLIM_SIZE 4096 | |
a58cbd52 | 118 | |
78b2d852 JS |
119 | /* hbqinfo output buffer size */ |
120 | #define LPFC_HBQINFO_SIZE 8192 | |
121 | ||
858c9f6c JS |
122 | struct lpfc_debug { |
123 | char *buffer; | |
124 | int len; | |
125 | }; | |
126 | ||
311464ec JS |
127 | static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); |
128 | static unsigned long lpfc_debugfs_start_time = 0L; | |
858c9f6c | 129 | |
e59058c4 | 130 | /** |
3621a710 | 131 | * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer |
e59058c4 JS |
132 | * @vport: The vport to gather the log info from. |
133 | * @buf: The buffer to dump log into. | |
134 | * @size: The maximum amount of data to process. | |
135 | * | |
136 | * Description: | |
137 | * This routine gathers the lpfc discovery debugfs data from the @vport and | |
138 | * dumps it to @buf up to @size number of bytes. It will start at the next entry | |
139 | * in the log and process the log until the end of the buffer. Then it will | |
140 | * gather from the beginning of the log and process until the current entry. | |
141 | * | |
142 | * Notes: | |
143 | * Discovery logging will be disabled while while this routine dumps the log. | |
144 | * | |
145 | * Return Value: | |
146 | * This routine returns the amount of bytes that were dumped into @buf and will | |
147 | * not exceed @size. | |
148 | **/ | |
858c9f6c JS |
149 | static int |
150 | lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size) | |
151 | { | |
152 | int i, index, len, enable; | |
153 | uint32_t ms; | |
a58cbd52 JS |
154 | struct lpfc_debugfs_trc *dtp; |
155 | char buffer[LPFC_DEBUG_TRC_ENTRY_SIZE]; | |
858c9f6c | 156 | |
858c9f6c JS |
157 | enable = lpfc_debugfs_enable; |
158 | lpfc_debugfs_enable = 0; | |
159 | ||
160 | len = 0; | |
161 | index = (atomic_read(&vport->disc_trc_cnt) + 1) & | |
162 | (lpfc_debugfs_max_disc_trc - 1); | |
163 | for (i = index; i < lpfc_debugfs_max_disc_trc; i++) { | |
164 | dtp = vport->disc_trc + i; | |
165 | if (!dtp->fmt) | |
166 | continue; | |
167 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); | |
a58cbd52 JS |
168 | snprintf(buffer, |
169 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", | |
858c9f6c JS |
170 | dtp->seq_cnt, ms, dtp->fmt); |
171 | len += snprintf(buf+len, size-len, buffer, | |
172 | dtp->data1, dtp->data2, dtp->data3); | |
173 | } | |
174 | for (i = 0; i < index; i++) { | |
175 | dtp = vport->disc_trc + i; | |
176 | if (!dtp->fmt) | |
177 | continue; | |
178 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); | |
a58cbd52 JS |
179 | snprintf(buffer, |
180 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", | |
181 | dtp->seq_cnt, ms, dtp->fmt); | |
182 | len += snprintf(buf+len, size-len, buffer, | |
183 | dtp->data1, dtp->data2, dtp->data3); | |
184 | } | |
185 | ||
186 | lpfc_debugfs_enable = enable; | |
187 | return len; | |
188 | } | |
189 | ||
e59058c4 | 190 | /** |
3621a710 | 191 | * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer |
e59058c4 JS |
192 | * @phba: The HBA to gather the log info from. |
193 | * @buf: The buffer to dump log into. | |
194 | * @size: The maximum amount of data to process. | |
195 | * | |
196 | * Description: | |
197 | * This routine gathers the lpfc slow ring debugfs data from the @phba and | |
198 | * dumps it to @buf up to @size number of bytes. It will start at the next entry | |
199 | * in the log and process the log until the end of the buffer. Then it will | |
200 | * gather from the beginning of the log and process until the current entry. | |
201 | * | |
202 | * Notes: | |
203 | * Slow ring logging will be disabled while while this routine dumps the log. | |
204 | * | |
205 | * Return Value: | |
206 | * This routine returns the amount of bytes that were dumped into @buf and will | |
207 | * not exceed @size. | |
208 | **/ | |
a58cbd52 JS |
209 | static int |
210 | lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size) | |
211 | { | |
212 | int i, index, len, enable; | |
213 | uint32_t ms; | |
214 | struct lpfc_debugfs_trc *dtp; | |
215 | char buffer[LPFC_DEBUG_TRC_ENTRY_SIZE]; | |
216 | ||
217 | ||
218 | enable = lpfc_debugfs_enable; | |
219 | lpfc_debugfs_enable = 0; | |
220 | ||
221 | len = 0; | |
222 | index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) & | |
223 | (lpfc_debugfs_max_slow_ring_trc - 1); | |
224 | for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) { | |
225 | dtp = phba->slow_ring_trc + i; | |
226 | if (!dtp->fmt) | |
227 | continue; | |
228 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); | |
229 | snprintf(buffer, | |
230 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", | |
231 | dtp->seq_cnt, ms, dtp->fmt); | |
232 | len += snprintf(buf+len, size-len, buffer, | |
233 | dtp->data1, dtp->data2, dtp->data3); | |
234 | } | |
235 | for (i = 0; i < index; i++) { | |
236 | dtp = phba->slow_ring_trc + i; | |
237 | if (!dtp->fmt) | |
238 | continue; | |
239 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); | |
240 | snprintf(buffer, | |
241 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", | |
858c9f6c JS |
242 | dtp->seq_cnt, ms, dtp->fmt); |
243 | len += snprintf(buf+len, size-len, buffer, | |
244 | dtp->data1, dtp->data2, dtp->data3); | |
245 | } | |
246 | ||
247 | lpfc_debugfs_enable = enable; | |
248 | return len; | |
249 | } | |
250 | ||
311464ec | 251 | static int lpfc_debugfs_last_hbq = -1; |
78b2d852 | 252 | |
e59058c4 | 253 | /** |
3621a710 | 254 | * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer |
e59058c4 JS |
255 | * @phba: The HBA to gather host buffer info from. |
256 | * @buf: The buffer to dump log into. | |
257 | * @size: The maximum amount of data to process. | |
258 | * | |
259 | * Description: | |
260 | * This routine dumps the host buffer queue info from the @phba to @buf up to | |
261 | * @size number of bytes. A header that describes the current hbq state will be | |
262 | * dumped to @buf first and then info on each hbq entry will be dumped to @buf | |
263 | * until @size bytes have been dumped or all the hbq info has been dumped. | |
264 | * | |
265 | * Notes: | |
266 | * This routine will rotate through each configured HBQ each time called. | |
267 | * | |
268 | * Return Value: | |
269 | * This routine returns the amount of bytes that were dumped into @buf and will | |
270 | * not exceed @size. | |
271 | **/ | |
78b2d852 JS |
272 | static int |
273 | lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size) | |
274 | { | |
275 | int len = 0; | |
276 | int cnt, i, j, found, posted, low; | |
277 | uint32_t phys, raw_index, getidx; | |
278 | struct lpfc_hbq_init *hip; | |
279 | struct hbq_s *hbqs; | |
280 | struct lpfc_hbq_entry *hbqe; | |
281 | struct lpfc_dmabuf *d_buf; | |
282 | struct hbq_dmabuf *hbq_buf; | |
283 | ||
3772a991 JS |
284 | if (phba->sli_rev != 3) |
285 | return 0; | |
78b2d852 JS |
286 | cnt = LPFC_HBQINFO_SIZE; |
287 | spin_lock_irq(&phba->hbalock); | |
288 | ||
289 | /* toggle between multiple hbqs, if any */ | |
290 | i = lpfc_sli_hbq_count(); | |
291 | if (i > 1) { | |
292 | lpfc_debugfs_last_hbq++; | |
293 | if (lpfc_debugfs_last_hbq >= i) | |
294 | lpfc_debugfs_last_hbq = 0; | |
295 | } | |
296 | else | |
297 | lpfc_debugfs_last_hbq = 0; | |
298 | ||
299 | i = lpfc_debugfs_last_hbq; | |
300 | ||
301 | len += snprintf(buf+len, size-len, "HBQ %d Info\n", i); | |
302 | ||
51ef4c26 | 303 | hbqs = &phba->hbqs[i]; |
78b2d852 | 304 | posted = 0; |
51ef4c26 | 305 | list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) |
78b2d852 JS |
306 | posted++; |
307 | ||
308 | hip = lpfc_hbq_defs[i]; | |
309 | len += snprintf(buf+len, size-len, | |
310 | "idx:%d prof:%d rn:%d bufcnt:%d icnt:%d acnt:%d posted %d\n", | |
311 | hip->hbq_index, hip->profile, hip->rn, | |
312 | hip->buffer_count, hip->init_count, hip->add_count, posted); | |
313 | ||
78b2d852 JS |
314 | raw_index = phba->hbq_get[i]; |
315 | getidx = le32_to_cpu(raw_index); | |
316 | len += snprintf(buf+len, size-len, | |
a8adb832 JS |
317 | "entrys:%d bufcnt:%d Put:%d nPut:%d localGet:%d hbaGet:%d\n", |
318 | hbqs->entry_count, hbqs->buffer_count, hbqs->hbqPutIdx, | |
319 | hbqs->next_hbqPutIdx, hbqs->local_hbqGetIdx, getidx); | |
78b2d852 | 320 | |
51ef4c26 | 321 | hbqe = (struct lpfc_hbq_entry *) phba->hbqs[i].hbq_virt; |
78b2d852 JS |
322 | for (j=0; j<hbqs->entry_count; j++) { |
323 | len += snprintf(buf+len, size-len, | |
324 | "%03d: %08x %04x %05x ", j, | |
a8adb832 JS |
325 | le32_to_cpu(hbqe->bde.addrLow), |
326 | le32_to_cpu(hbqe->bde.tus.w), | |
327 | le32_to_cpu(hbqe->buffer_tag)); | |
78b2d852 JS |
328 | i = 0; |
329 | found = 0; | |
330 | ||
331 | /* First calculate if slot has an associated posted buffer */ | |
332 | low = hbqs->hbqPutIdx - posted; | |
333 | if (low >= 0) { | |
334 | if ((j >= hbqs->hbqPutIdx) || (j < low)) { | |
335 | len += snprintf(buf+len, size-len, "Unused\n"); | |
336 | goto skipit; | |
337 | } | |
338 | } | |
339 | else { | |
340 | if ((j >= hbqs->hbqPutIdx) && | |
341 | (j < (hbqs->entry_count+low))) { | |
342 | len += snprintf(buf+len, size-len, "Unused\n"); | |
343 | goto skipit; | |
344 | } | |
345 | } | |
346 | ||
347 | /* Get the Buffer info for the posted buffer */ | |
51ef4c26 | 348 | list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) { |
78b2d852 JS |
349 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
350 | phys = ((uint64_t)hbq_buf->dbuf.phys & 0xffffffff); | |
a8adb832 | 351 | if (phys == le32_to_cpu(hbqe->bde.addrLow)) { |
78b2d852 JS |
352 | len += snprintf(buf+len, size-len, |
353 | "Buf%d: %p %06x\n", i, | |
354 | hbq_buf->dbuf.virt, hbq_buf->tag); | |
355 | found = 1; | |
356 | break; | |
357 | } | |
358 | i++; | |
359 | } | |
360 | if (!found) { | |
361 | len += snprintf(buf+len, size-len, "No DMAinfo?\n"); | |
362 | } | |
363 | skipit: | |
364 | hbqe++; | |
365 | if (len > LPFC_HBQINFO_SIZE - 54) | |
366 | break; | |
367 | } | |
368 | spin_unlock_irq(&phba->hbalock); | |
369 | return len; | |
370 | } | |
371 | ||
c95d6c6c JS |
372 | static int lpfc_debugfs_last_hba_slim_off; |
373 | ||
e59058c4 | 374 | /** |
3621a710 | 375 | * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer |
e59058c4 JS |
376 | * @phba: The HBA to gather SLIM info from. |
377 | * @buf: The buffer to dump log into. | |
378 | * @size: The maximum amount of data to process. | |
379 | * | |
380 | * Description: | |
381 | * This routine dumps the current contents of HBA SLIM for the HBA associated | |
382 | * with @phba to @buf up to @size bytes of data. This is the raw HBA SLIM data. | |
383 | * | |
384 | * Notes: | |
385 | * This routine will only dump up to 1024 bytes of data each time called and | |
386 | * should be called multiple times to dump the entire HBA SLIM. | |
387 | * | |
388 | * Return Value: | |
389 | * This routine returns the amount of bytes that were dumped into @buf and will | |
390 | * not exceed @size. | |
391 | **/ | |
c95d6c6c JS |
392 | static int |
393 | lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size) | |
394 | { | |
395 | int len = 0; | |
396 | int i, off; | |
397 | uint32_t *ptr; | |
398 | char buffer[1024]; | |
399 | ||
400 | off = 0; | |
401 | spin_lock_irq(&phba->hbalock); | |
402 | ||
403 | len += snprintf(buf+len, size-len, "HBA SLIM\n"); | |
404 | lpfc_memcpy_from_slim(buffer, | |
a257bf90 | 405 | phba->MBslimaddr + lpfc_debugfs_last_hba_slim_off, 1024); |
c95d6c6c JS |
406 | |
407 | ptr = (uint32_t *)&buffer[0]; | |
408 | off = lpfc_debugfs_last_hba_slim_off; | |
409 | ||
410 | /* Set it up for the next time */ | |
411 | lpfc_debugfs_last_hba_slim_off += 1024; | |
412 | if (lpfc_debugfs_last_hba_slim_off >= 4096) | |
413 | lpfc_debugfs_last_hba_slim_off = 0; | |
414 | ||
415 | i = 1024; | |
416 | while (i > 0) { | |
417 | len += snprintf(buf+len, size-len, | |
418 | "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", | |
419 | off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), | |
420 | *(ptr+5), *(ptr+6), *(ptr+7)); | |
421 | ptr += 8; | |
422 | i -= (8 * sizeof(uint32_t)); | |
423 | off += (8 * sizeof(uint32_t)); | |
424 | } | |
425 | ||
426 | spin_unlock_irq(&phba->hbalock); | |
427 | return len; | |
428 | } | |
429 | ||
e59058c4 | 430 | /** |
3621a710 | 431 | * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer |
e59058c4 JS |
432 | * @phba: The HBA to gather Host SLIM info from. |
433 | * @buf: The buffer to dump log into. | |
434 | * @size: The maximum amount of data to process. | |
435 | * | |
436 | * Description: | |
437 | * This routine dumps the current contents of host SLIM for the host associated | |
438 | * with @phba to @buf up to @size bytes of data. The dump will contain the | |
439 | * Mailbox, PCB, Rings, and Registers that are located in host memory. | |
440 | * | |
441 | * Return Value: | |
442 | * This routine returns the amount of bytes that were dumped into @buf and will | |
443 | * not exceed @size. | |
444 | **/ | |
a58cbd52 | 445 | static int |
c95d6c6c | 446 | lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size) |
a58cbd52 JS |
447 | { |
448 | int len = 0; | |
c95d6c6c | 449 | int i, off; |
a58cbd52 JS |
450 | uint32_t word0, word1, word2, word3; |
451 | uint32_t *ptr; | |
452 | struct lpfc_pgp *pgpp; | |
453 | struct lpfc_sli *psli = &phba->sli; | |
454 | struct lpfc_sli_ring *pring; | |
455 | ||
a58cbd52 JS |
456 | off = 0; |
457 | spin_lock_irq(&phba->hbalock); | |
458 | ||
459 | len += snprintf(buf+len, size-len, "SLIM Mailbox\n"); | |
34b02dcd | 460 | ptr = (uint32_t *)phba->slim2p.virt; |
a58cbd52 JS |
461 | i = sizeof(MAILBOX_t); |
462 | while (i > 0) { | |
463 | len += snprintf(buf+len, size-len, | |
464 | "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", | |
465 | off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), | |
466 | *(ptr+5), *(ptr+6), *(ptr+7)); | |
467 | ptr += 8; | |
468 | i -= (8 * sizeof(uint32_t)); | |
469 | off += (8 * sizeof(uint32_t)); | |
470 | } | |
471 | ||
472 | len += snprintf(buf+len, size-len, "SLIM PCB\n"); | |
34b02dcd | 473 | ptr = (uint32_t *)phba->pcb; |
a58cbd52 JS |
474 | i = sizeof(PCB_t); |
475 | while (i > 0) { | |
476 | len += snprintf(buf+len, size-len, | |
477 | "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", | |
478 | off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), | |
479 | *(ptr+5), *(ptr+6), *(ptr+7)); | |
480 | ptr += 8; | |
481 | i -= (8 * sizeof(uint32_t)); | |
482 | off += (8 * sizeof(uint32_t)); | |
483 | } | |
484 | ||
34b02dcd JS |
485 | for (i = 0; i < 4; i++) { |
486 | pgpp = &phba->port_gp[i]; | |
487 | pring = &psli->ring[i]; | |
488 | len += snprintf(buf+len, size-len, | |
489 | "Ring %d: CMD GetInx:%d (Max:%d Next:%d " | |
490 | "Local:%d flg:x%x) RSP PutInx:%d Max:%d\n", | |
491 | i, pgpp->cmdGetInx, pring->numCiocb, | |
492 | pring->next_cmdidx, pring->local_getidx, | |
493 | pring->flag, pgpp->rspPutInx, pring->numRiocb); | |
494 | } | |
3772a991 JS |
495 | |
496 | if (phba->sli_rev <= LPFC_SLI_REV3) { | |
497 | word0 = readl(phba->HAregaddr); | |
498 | word1 = readl(phba->CAregaddr); | |
499 | word2 = readl(phba->HSregaddr); | |
500 | word3 = readl(phba->HCregaddr); | |
501 | len += snprintf(buf+len, size-len, "HA:%08x CA:%08x HS:%08x " | |
502 | "HC:%08x\n", word0, word1, word2, word3); | |
503 | } | |
a58cbd52 JS |
504 | spin_unlock_irq(&phba->hbalock); |
505 | return len; | |
506 | } | |
507 | ||
e59058c4 | 508 | /** |
3621a710 | 509 | * lpfc_debugfs_nodelist_data - Dump target node list to a buffer |
e59058c4 JS |
510 | * @vport: The vport to gather target node info from. |
511 | * @buf: The buffer to dump log into. | |
512 | * @size: The maximum amount of data to process. | |
513 | * | |
514 | * Description: | |
515 | * This routine dumps the current target node list associated with @vport to | |
516 | * @buf up to @size bytes of data. Each node entry in the dump will contain a | |
517 | * node state, DID, WWPN, WWNN, RPI, flags, type, and other useful fields. | |
518 | * | |
519 | * Return Value: | |
520 | * This routine returns the amount of bytes that were dumped into @buf and will | |
521 | * not exceed @size. | |
522 | **/ | |
858c9f6c JS |
523 | static int |
524 | lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size) | |
525 | { | |
526 | int len = 0; | |
527 | int cnt; | |
528 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
529 | struct lpfc_nodelist *ndlp; | |
530 | unsigned char *statep, *name; | |
531 | ||
532 | cnt = (LPFC_NODELIST_SIZE / LPFC_NODELIST_ENTRY_SIZE); | |
533 | ||
534 | spin_lock_irq(shost->host_lock); | |
535 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
536 | if (!cnt) { | |
537 | len += snprintf(buf+len, size-len, | |
538 | "Missing Nodelist Entries\n"); | |
539 | break; | |
540 | } | |
541 | cnt--; | |
542 | switch (ndlp->nlp_state) { | |
543 | case NLP_STE_UNUSED_NODE: | |
544 | statep = "UNUSED"; | |
545 | break; | |
546 | case NLP_STE_PLOGI_ISSUE: | |
547 | statep = "PLOGI "; | |
548 | break; | |
549 | case NLP_STE_ADISC_ISSUE: | |
550 | statep = "ADISC "; | |
551 | break; | |
552 | case NLP_STE_REG_LOGIN_ISSUE: | |
553 | statep = "REGLOG"; | |
554 | break; | |
555 | case NLP_STE_PRLI_ISSUE: | |
556 | statep = "PRLI "; | |
557 | break; | |
558 | case NLP_STE_UNMAPPED_NODE: | |
559 | statep = "UNMAP "; | |
560 | break; | |
561 | case NLP_STE_MAPPED_NODE: | |
562 | statep = "MAPPED"; | |
563 | break; | |
564 | case NLP_STE_NPR_NODE: | |
565 | statep = "NPR "; | |
566 | break; | |
567 | default: | |
568 | statep = "UNKNOWN"; | |
569 | } | |
570 | len += snprintf(buf+len, size-len, "%s DID:x%06x ", | |
571 | statep, ndlp->nlp_DID); | |
572 | name = (unsigned char *)&ndlp->nlp_portname; | |
573 | len += snprintf(buf+len, size-len, | |
574 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x ", | |
575 | *name, *(name+1), *(name+2), *(name+3), | |
576 | *(name+4), *(name+5), *(name+6), *(name+7)); | |
577 | name = (unsigned char *)&ndlp->nlp_nodename; | |
578 | len += snprintf(buf+len, size-len, | |
579 | "WWNN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x ", | |
580 | *name, *(name+1), *(name+2), *(name+3), | |
581 | *(name+4), *(name+5), *(name+6), *(name+7)); | |
582 | len += snprintf(buf+len, size-len, "RPI:%03d flag:x%08x ", | |
583 | ndlp->nlp_rpi, ndlp->nlp_flag); | |
584 | if (!ndlp->nlp_type) | |
a58cbd52 | 585 | len += snprintf(buf+len, size-len, "UNKNOWN_TYPE "); |
858c9f6c JS |
586 | if (ndlp->nlp_type & NLP_FC_NODE) |
587 | len += snprintf(buf+len, size-len, "FC_NODE "); | |
588 | if (ndlp->nlp_type & NLP_FABRIC) | |
589 | len += snprintf(buf+len, size-len, "FABRIC "); | |
590 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
591 | len += snprintf(buf+len, size-len, "FCP_TGT sid:%d ", | |
592 | ndlp->nlp_sid); | |
593 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
a58cbd52 | 594 | len += snprintf(buf+len, size-len, "FCP_INITIATOR "); |
58da1ffb JS |
595 | len += snprintf(buf+len, size-len, "usgmap:%x ", |
596 | ndlp->nlp_usg_map); | |
a58cbd52 JS |
597 | len += snprintf(buf+len, size-len, "refcnt:%x", |
598 | atomic_read(&ndlp->kref.refcount)); | |
858c9f6c JS |
599 | len += snprintf(buf+len, size-len, "\n"); |
600 | } | |
601 | spin_unlock_irq(shost->host_lock); | |
602 | return len; | |
603 | } | |
604 | #endif | |
605 | ||
e59058c4 | 606 | /** |
3621a710 | 607 | * lpfc_debugfs_disc_trc - Store discovery trace log |
e59058c4 JS |
608 | * @vport: The vport to associate this trace string with for retrieval. |
609 | * @mask: Log entry classification. | |
610 | * @fmt: Format string to be displayed when dumping the log. | |
611 | * @data1: 1st data parameter to be applied to @fmt. | |
612 | * @data2: 2nd data parameter to be applied to @fmt. | |
613 | * @data3: 3rd data parameter to be applied to @fmt. | |
614 | * | |
615 | * Description: | |
616 | * This routine is used by the driver code to add a debugfs log entry to the | |
617 | * discovery trace buffer associated with @vport. Only entries with a @mask that | |
618 | * match the current debugfs discovery mask will be saved. Entries that do not | |
619 | * match will be thrown away. @fmt, @data1, @data2, and @data3 are used like | |
620 | * printf when displaying the log. | |
621 | **/ | |
858c9f6c JS |
622 | inline void |
623 | lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt, | |
624 | uint32_t data1, uint32_t data2, uint32_t data3) | |
625 | { | |
923e4b6a | 626 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
a58cbd52 | 627 | struct lpfc_debugfs_trc *dtp; |
858c9f6c JS |
628 | int index; |
629 | ||
630 | if (!(lpfc_debugfs_mask_disc_trc & mask)) | |
631 | return; | |
632 | ||
633 | if (!lpfc_debugfs_enable || !lpfc_debugfs_max_disc_trc || | |
634 | !vport || !vport->disc_trc) | |
635 | return; | |
636 | ||
637 | index = atomic_inc_return(&vport->disc_trc_cnt) & | |
638 | (lpfc_debugfs_max_disc_trc - 1); | |
639 | dtp = vport->disc_trc + index; | |
640 | dtp->fmt = fmt; | |
641 | dtp->data1 = data1; | |
642 | dtp->data2 = data2; | |
643 | dtp->data3 = data3; | |
a58cbd52 JS |
644 | dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); |
645 | dtp->jif = jiffies; | |
646 | #endif | |
647 | return; | |
648 | } | |
649 | ||
e59058c4 | 650 | /** |
3621a710 | 651 | * lpfc_debugfs_slow_ring_trc - Store slow ring trace log |
e59058c4 JS |
652 | * @phba: The phba to associate this trace string with for retrieval. |
653 | * @fmt: Format string to be displayed when dumping the log. | |
654 | * @data1: 1st data parameter to be applied to @fmt. | |
655 | * @data2: 2nd data parameter to be applied to @fmt. | |
656 | * @data3: 3rd data parameter to be applied to @fmt. | |
657 | * | |
658 | * Description: | |
659 | * This routine is used by the driver code to add a debugfs log entry to the | |
660 | * discovery trace buffer associated with @vport. @fmt, @data1, @data2, and | |
661 | * @data3 are used like printf when displaying the log. | |
662 | **/ | |
a58cbd52 JS |
663 | inline void |
664 | lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt, | |
665 | uint32_t data1, uint32_t data2, uint32_t data3) | |
666 | { | |
923e4b6a | 667 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
a58cbd52 JS |
668 | struct lpfc_debugfs_trc *dtp; |
669 | int index; | |
670 | ||
671 | if (!lpfc_debugfs_enable || !lpfc_debugfs_max_slow_ring_trc || | |
672 | !phba || !phba->slow_ring_trc) | |
673 | return; | |
674 | ||
675 | index = atomic_inc_return(&phba->slow_ring_trc_cnt) & | |
676 | (lpfc_debugfs_max_slow_ring_trc - 1); | |
677 | dtp = phba->slow_ring_trc + index; | |
678 | dtp->fmt = fmt; | |
679 | dtp->data1 = data1; | |
680 | dtp->data2 = data2; | |
681 | dtp->data3 = data3; | |
682 | dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); | |
858c9f6c JS |
683 | dtp->jif = jiffies; |
684 | #endif | |
685 | return; | |
686 | } | |
687 | ||
923e4b6a | 688 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
e59058c4 | 689 | /** |
3621a710 | 690 | * lpfc_debugfs_disc_trc_open - Open the discovery trace log |
e59058c4 JS |
691 | * @inode: The inode pointer that contains a vport pointer. |
692 | * @file: The file pointer to attach the log output. | |
693 | * | |
694 | * Description: | |
695 | * This routine is the entry point for the debugfs open file operation. It gets | |
696 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
697 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
698 | * returns a pointer to that log in the private_data field in @file. | |
699 | * | |
700 | * Returns: | |
701 | * This function returns zero if successful. On error it will return an negative | |
702 | * error value. | |
703 | **/ | |
858c9f6c JS |
704 | static int |
705 | lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file) | |
706 | { | |
707 | struct lpfc_vport *vport = inode->i_private; | |
708 | struct lpfc_debug *debug; | |
709 | int size; | |
710 | int rc = -ENOMEM; | |
711 | ||
712 | if (!lpfc_debugfs_max_disc_trc) { | |
713 | rc = -ENOSPC; | |
714 | goto out; | |
715 | } | |
716 | ||
717 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
718 | if (!debug) | |
719 | goto out; | |
720 | ||
e59058c4 | 721 | /* Round to page boundary */ |
a58cbd52 | 722 | size = (lpfc_debugfs_max_disc_trc * LPFC_DEBUG_TRC_ENTRY_SIZE); |
858c9f6c JS |
723 | size = PAGE_ALIGN(size); |
724 | ||
725 | debug->buffer = kmalloc(size, GFP_KERNEL); | |
726 | if (!debug->buffer) { | |
727 | kfree(debug); | |
728 | goto out; | |
729 | } | |
730 | ||
731 | debug->len = lpfc_debugfs_disc_trc_data(vport, debug->buffer, size); | |
732 | file->private_data = debug; | |
733 | ||
734 | rc = 0; | |
735 | out: | |
736 | return rc; | |
737 | } | |
738 | ||
e59058c4 | 739 | /** |
3621a710 | 740 | * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log |
e59058c4 JS |
741 | * @inode: The inode pointer that contains a vport pointer. |
742 | * @file: The file pointer to attach the log output. | |
743 | * | |
744 | * Description: | |
745 | * This routine is the entry point for the debugfs open file operation. It gets | |
746 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
747 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
748 | * returns a pointer to that log in the private_data field in @file. | |
749 | * | |
750 | * Returns: | |
751 | * This function returns zero if successful. On error it will return an negative | |
752 | * error value. | |
753 | **/ | |
a58cbd52 JS |
754 | static int |
755 | lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file) | |
756 | { | |
757 | struct lpfc_hba *phba = inode->i_private; | |
758 | struct lpfc_debug *debug; | |
759 | int size; | |
760 | int rc = -ENOMEM; | |
761 | ||
762 | if (!lpfc_debugfs_max_slow_ring_trc) { | |
763 | rc = -ENOSPC; | |
764 | goto out; | |
765 | } | |
766 | ||
767 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
768 | if (!debug) | |
769 | goto out; | |
770 | ||
e59058c4 | 771 | /* Round to page boundary */ |
a58cbd52 JS |
772 | size = (lpfc_debugfs_max_slow_ring_trc * LPFC_DEBUG_TRC_ENTRY_SIZE); |
773 | size = PAGE_ALIGN(size); | |
774 | ||
775 | debug->buffer = kmalloc(size, GFP_KERNEL); | |
776 | if (!debug->buffer) { | |
777 | kfree(debug); | |
778 | goto out; | |
779 | } | |
780 | ||
781 | debug->len = lpfc_debugfs_slow_ring_trc_data(phba, debug->buffer, size); | |
782 | file->private_data = debug; | |
783 | ||
784 | rc = 0; | |
785 | out: | |
786 | return rc; | |
787 | } | |
788 | ||
e59058c4 | 789 | /** |
3621a710 | 790 | * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer |
e59058c4 JS |
791 | * @inode: The inode pointer that contains a vport pointer. |
792 | * @file: The file pointer to attach the log output. | |
793 | * | |
794 | * Description: | |
795 | * This routine is the entry point for the debugfs open file operation. It gets | |
796 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
797 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
798 | * returns a pointer to that log in the private_data field in @file. | |
799 | * | |
800 | * Returns: | |
801 | * This function returns zero if successful. On error it will return an negative | |
802 | * error value. | |
803 | **/ | |
78b2d852 JS |
804 | static int |
805 | lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file) | |
806 | { | |
807 | struct lpfc_hba *phba = inode->i_private; | |
808 | struct lpfc_debug *debug; | |
809 | int rc = -ENOMEM; | |
810 | ||
811 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
812 | if (!debug) | |
813 | goto out; | |
814 | ||
e59058c4 | 815 | /* Round to page boundary */ |
78b2d852 JS |
816 | debug->buffer = kmalloc(LPFC_HBQINFO_SIZE, GFP_KERNEL); |
817 | if (!debug->buffer) { | |
818 | kfree(debug); | |
819 | goto out; | |
820 | } | |
821 | ||
822 | debug->len = lpfc_debugfs_hbqinfo_data(phba, debug->buffer, | |
823 | LPFC_HBQINFO_SIZE); | |
824 | file->private_data = debug; | |
825 | ||
826 | rc = 0; | |
827 | out: | |
828 | return rc; | |
829 | } | |
830 | ||
e59058c4 | 831 | /** |
3621a710 | 832 | * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer |
e59058c4 JS |
833 | * @inode: The inode pointer that contains a vport pointer. |
834 | * @file: The file pointer to attach the log output. | |
835 | * | |
836 | * Description: | |
837 | * This routine is the entry point for the debugfs open file operation. It gets | |
838 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
839 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
840 | * returns a pointer to that log in the private_data field in @file. | |
841 | * | |
842 | * Returns: | |
843 | * This function returns zero if successful. On error it will return an negative | |
844 | * error value. | |
845 | **/ | |
a58cbd52 | 846 | static int |
c95d6c6c | 847 | lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file) |
a58cbd52 JS |
848 | { |
849 | struct lpfc_hba *phba = inode->i_private; | |
850 | struct lpfc_debug *debug; | |
851 | int rc = -ENOMEM; | |
852 | ||
853 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
854 | if (!debug) | |
855 | goto out; | |
856 | ||
e59058c4 | 857 | /* Round to page boundary */ |
c95d6c6c | 858 | debug->buffer = kmalloc(LPFC_DUMPHBASLIM_SIZE, GFP_KERNEL); |
a58cbd52 JS |
859 | if (!debug->buffer) { |
860 | kfree(debug); | |
861 | goto out; | |
862 | } | |
863 | ||
c95d6c6c JS |
864 | debug->len = lpfc_debugfs_dumpHBASlim_data(phba, debug->buffer, |
865 | LPFC_DUMPHBASLIM_SIZE); | |
866 | file->private_data = debug; | |
867 | ||
868 | rc = 0; | |
869 | out: | |
870 | return rc; | |
871 | } | |
872 | ||
e59058c4 | 873 | /** |
3621a710 | 874 | * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer |
e59058c4 JS |
875 | * @inode: The inode pointer that contains a vport pointer. |
876 | * @file: The file pointer to attach the log output. | |
877 | * | |
878 | * Description: | |
879 | * This routine is the entry point for the debugfs open file operation. It gets | |
880 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
881 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
882 | * returns a pointer to that log in the private_data field in @file. | |
883 | * | |
884 | * Returns: | |
885 | * This function returns zero if successful. On error it will return an negative | |
886 | * error value. | |
887 | **/ | |
c95d6c6c JS |
888 | static int |
889 | lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file) | |
890 | { | |
891 | struct lpfc_hba *phba = inode->i_private; | |
892 | struct lpfc_debug *debug; | |
893 | int rc = -ENOMEM; | |
894 | ||
895 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
896 | if (!debug) | |
897 | goto out; | |
898 | ||
e59058c4 | 899 | /* Round to page boundary */ |
c95d6c6c JS |
900 | debug->buffer = kmalloc(LPFC_DUMPHOSTSLIM_SIZE, GFP_KERNEL); |
901 | if (!debug->buffer) { | |
902 | kfree(debug); | |
903 | goto out; | |
904 | } | |
905 | ||
906 | debug->len = lpfc_debugfs_dumpHostSlim_data(phba, debug->buffer, | |
907 | LPFC_DUMPHOSTSLIM_SIZE); | |
a58cbd52 JS |
908 | file->private_data = debug; |
909 | ||
910 | rc = 0; | |
911 | out: | |
912 | return rc; | |
913 | } | |
914 | ||
e2a0a9d6 JS |
915 | static int |
916 | lpfc_debugfs_dumpData_open(struct inode *inode, struct file *file) | |
917 | { | |
918 | struct lpfc_debug *debug; | |
919 | int rc = -ENOMEM; | |
920 | ||
921 | if (!_dump_buf_data) | |
922 | return -EBUSY; | |
923 | ||
924 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
925 | if (!debug) | |
926 | goto out; | |
927 | ||
928 | /* Round to page boundry */ | |
929 | printk(KERN_ERR "BLKGRD %s: _dump_buf_data=0x%p\n", | |
930 | __func__, _dump_buf_data); | |
931 | debug->buffer = _dump_buf_data; | |
932 | if (!debug->buffer) { | |
933 | kfree(debug); | |
934 | goto out; | |
935 | } | |
936 | ||
937 | debug->len = (1 << _dump_buf_data_order) << PAGE_SHIFT; | |
938 | file->private_data = debug; | |
939 | ||
940 | rc = 0; | |
941 | out: | |
942 | return rc; | |
943 | } | |
944 | ||
945 | static int | |
946 | lpfc_debugfs_dumpDif_open(struct inode *inode, struct file *file) | |
947 | { | |
948 | struct lpfc_debug *debug; | |
949 | int rc = -ENOMEM; | |
950 | ||
951 | if (!_dump_buf_dif) | |
952 | return -EBUSY; | |
953 | ||
954 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
955 | if (!debug) | |
956 | goto out; | |
957 | ||
958 | /* Round to page boundry */ | |
959 | printk(KERN_ERR "BLKGRD %s: _dump_buf_dif=0x%p file=%s\n", __func__, | |
960 | _dump_buf_dif, file->f_dentry->d_name.name); | |
961 | debug->buffer = _dump_buf_dif; | |
962 | if (!debug->buffer) { | |
963 | kfree(debug); | |
964 | goto out; | |
965 | } | |
966 | ||
967 | debug->len = (1 << _dump_buf_dif_order) << PAGE_SHIFT; | |
968 | file->private_data = debug; | |
969 | ||
970 | rc = 0; | |
971 | out: | |
972 | return rc; | |
973 | } | |
974 | ||
975 | static ssize_t | |
976 | lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf, | |
977 | size_t nbytes, loff_t *ppos) | |
978 | { | |
979 | /* | |
980 | * The Data/DIF buffers only save one failing IO | |
981 | * The write op is used as a reset mechanism after an IO has | |
982 | * already been saved to the next one can be saved | |
983 | */ | |
984 | spin_lock(&_dump_buf_lock); | |
985 | ||
986 | memset((void *)_dump_buf_data, 0, | |
987 | ((1 << PAGE_SHIFT) << _dump_buf_data_order)); | |
988 | memset((void *)_dump_buf_dif, 0, | |
989 | ((1 << PAGE_SHIFT) << _dump_buf_dif_order)); | |
990 | ||
991 | _dump_buf_done = 0; | |
992 | ||
993 | spin_unlock(&_dump_buf_lock); | |
994 | ||
995 | return nbytes; | |
996 | } | |
997 | ||
998 | ||
999 | ||
e59058c4 | 1000 | /** |
3621a710 | 1001 | * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file |
e59058c4 JS |
1002 | * @inode: The inode pointer that contains a vport pointer. |
1003 | * @file: The file pointer to attach the log output. | |
1004 | * | |
1005 | * Description: | |
1006 | * This routine is the entry point for the debugfs open file operation. It gets | |
1007 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
1008 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
1009 | * returns a pointer to that log in the private_data field in @file. | |
1010 | * | |
1011 | * Returns: | |
1012 | * This function returns zero if successful. On error it will return an negative | |
1013 | * error value. | |
1014 | **/ | |
858c9f6c JS |
1015 | static int |
1016 | lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file) | |
1017 | { | |
1018 | struct lpfc_vport *vport = inode->i_private; | |
1019 | struct lpfc_debug *debug; | |
1020 | int rc = -ENOMEM; | |
1021 | ||
1022 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1023 | if (!debug) | |
1024 | goto out; | |
1025 | ||
e59058c4 | 1026 | /* Round to page boundary */ |
858c9f6c JS |
1027 | debug->buffer = kmalloc(LPFC_NODELIST_SIZE, GFP_KERNEL); |
1028 | if (!debug->buffer) { | |
1029 | kfree(debug); | |
1030 | goto out; | |
1031 | } | |
1032 | ||
1033 | debug->len = lpfc_debugfs_nodelist_data(vport, debug->buffer, | |
1034 | LPFC_NODELIST_SIZE); | |
1035 | file->private_data = debug; | |
1036 | ||
1037 | rc = 0; | |
1038 | out: | |
1039 | return rc; | |
1040 | } | |
1041 | ||
e59058c4 | 1042 | /** |
3621a710 | 1043 | * lpfc_debugfs_lseek - Seek through a debugfs file |
e59058c4 JS |
1044 | * @file: The file pointer to seek through. |
1045 | * @off: The offset to seek to or the amount to seek by. | |
1046 | * @whence: Indicates how to seek. | |
1047 | * | |
1048 | * Description: | |
1049 | * This routine is the entry point for the debugfs lseek file operation. The | |
1050 | * @whence parameter indicates whether @off is the offset to directly seek to, | |
1051 | * or if it is a value to seek forward or reverse by. This function figures out | |
1052 | * what the new offset of the debugfs file will be and assigns that value to the | |
1053 | * f_pos field of @file. | |
1054 | * | |
1055 | * Returns: | |
1056 | * This function returns the new offset if successful and returns a negative | |
1057 | * error if unable to process the seek. | |
1058 | **/ | |
858c9f6c JS |
1059 | static loff_t |
1060 | lpfc_debugfs_lseek(struct file *file, loff_t off, int whence) | |
1061 | { | |
1062 | struct lpfc_debug *debug; | |
1063 | loff_t pos = -1; | |
1064 | ||
1065 | debug = file->private_data; | |
1066 | ||
1067 | switch (whence) { | |
1068 | case 0: | |
1069 | pos = off; | |
1070 | break; | |
1071 | case 1: | |
1072 | pos = file->f_pos + off; | |
1073 | break; | |
1074 | case 2: | |
1075 | pos = debug->len - off; | |
1076 | } | |
1077 | return (pos < 0 || pos > debug->len) ? -EINVAL : (file->f_pos = pos); | |
1078 | } | |
1079 | ||
e59058c4 | 1080 | /** |
3621a710 | 1081 | * lpfc_debugfs_read - Read a debugfs file |
e59058c4 JS |
1082 | * @file: The file pointer to read from. |
1083 | * @buf: The buffer to copy the data to. | |
1084 | * @nbytes: The number of bytes to read. | |
1085 | * @ppos: The position in the file to start reading from. | |
1086 | * | |
1087 | * Description: | |
1088 | * This routine reads data from from the buffer indicated in the private_data | |
1089 | * field of @file. It will start reading at @ppos and copy up to @nbytes of | |
1090 | * data to @buf. | |
1091 | * | |
1092 | * Returns: | |
1093 | * This function returns the amount of data that was read (this could be less | |
1094 | * than @nbytes if the end of the file was reached) or a negative error value. | |
1095 | **/ | |
858c9f6c JS |
1096 | static ssize_t |
1097 | lpfc_debugfs_read(struct file *file, char __user *buf, | |
1098 | size_t nbytes, loff_t *ppos) | |
1099 | { | |
1100 | struct lpfc_debug *debug = file->private_data; | |
1101 | return simple_read_from_buffer(buf, nbytes, ppos, debug->buffer, | |
1102 | debug->len); | |
1103 | } | |
1104 | ||
e59058c4 | 1105 | /** |
3621a710 | 1106 | * lpfc_debugfs_release - Release the buffer used to store debugfs file data |
e59058c4 JS |
1107 | * @inode: The inode pointer that contains a vport pointer. (unused) |
1108 | * @file: The file pointer that contains the buffer to release. | |
1109 | * | |
1110 | * Description: | |
1111 | * This routine frees the buffer that was allocated when the debugfs file was | |
1112 | * opened. | |
1113 | * | |
1114 | * Returns: | |
1115 | * This function returns zero. | |
1116 | **/ | |
858c9f6c JS |
1117 | static int |
1118 | lpfc_debugfs_release(struct inode *inode, struct file *file) | |
1119 | { | |
1120 | struct lpfc_debug *debug = file->private_data; | |
1121 | ||
1122 | kfree(debug->buffer); | |
1123 | kfree(debug); | |
1124 | ||
1125 | return 0; | |
1126 | } | |
1127 | ||
e2a0a9d6 JS |
1128 | static int |
1129 | lpfc_debugfs_dumpDataDif_release(struct inode *inode, struct file *file) | |
1130 | { | |
1131 | struct lpfc_debug *debug = file->private_data; | |
1132 | ||
1133 | debug->buffer = NULL; | |
1134 | kfree(debug); | |
1135 | ||
1136 | return 0; | |
1137 | } | |
1138 | ||
858c9f6c | 1139 | #undef lpfc_debugfs_op_disc_trc |
71fa7421 | 1140 | static const struct file_operations lpfc_debugfs_op_disc_trc = { |
858c9f6c JS |
1141 | .owner = THIS_MODULE, |
1142 | .open = lpfc_debugfs_disc_trc_open, | |
1143 | .llseek = lpfc_debugfs_lseek, | |
1144 | .read = lpfc_debugfs_read, | |
1145 | .release = lpfc_debugfs_release, | |
1146 | }; | |
1147 | ||
1148 | #undef lpfc_debugfs_op_nodelist | |
71fa7421 | 1149 | static const struct file_operations lpfc_debugfs_op_nodelist = { |
858c9f6c JS |
1150 | .owner = THIS_MODULE, |
1151 | .open = lpfc_debugfs_nodelist_open, | |
1152 | .llseek = lpfc_debugfs_lseek, | |
1153 | .read = lpfc_debugfs_read, | |
1154 | .release = lpfc_debugfs_release, | |
1155 | }; | |
1156 | ||
78b2d852 | 1157 | #undef lpfc_debugfs_op_hbqinfo |
71fa7421 | 1158 | static const struct file_operations lpfc_debugfs_op_hbqinfo = { |
78b2d852 JS |
1159 | .owner = THIS_MODULE, |
1160 | .open = lpfc_debugfs_hbqinfo_open, | |
1161 | .llseek = lpfc_debugfs_lseek, | |
1162 | .read = lpfc_debugfs_read, | |
1163 | .release = lpfc_debugfs_release, | |
1164 | }; | |
1165 | ||
c95d6c6c | 1166 | #undef lpfc_debugfs_op_dumpHBASlim |
71fa7421 | 1167 | static const struct file_operations lpfc_debugfs_op_dumpHBASlim = { |
c95d6c6c JS |
1168 | .owner = THIS_MODULE, |
1169 | .open = lpfc_debugfs_dumpHBASlim_open, | |
1170 | .llseek = lpfc_debugfs_lseek, | |
1171 | .read = lpfc_debugfs_read, | |
1172 | .release = lpfc_debugfs_release, | |
1173 | }; | |
1174 | ||
1175 | #undef lpfc_debugfs_op_dumpHostSlim | |
71fa7421 | 1176 | static const struct file_operations lpfc_debugfs_op_dumpHostSlim = { |
a58cbd52 | 1177 | .owner = THIS_MODULE, |
c95d6c6c | 1178 | .open = lpfc_debugfs_dumpHostSlim_open, |
a58cbd52 JS |
1179 | .llseek = lpfc_debugfs_lseek, |
1180 | .read = lpfc_debugfs_read, | |
1181 | .release = lpfc_debugfs_release, | |
1182 | }; | |
1183 | ||
e2a0a9d6 | 1184 | #undef lpfc_debugfs_op_dumpData |
71fa7421 | 1185 | static const struct file_operations lpfc_debugfs_op_dumpData = { |
e2a0a9d6 JS |
1186 | .owner = THIS_MODULE, |
1187 | .open = lpfc_debugfs_dumpData_open, | |
1188 | .llseek = lpfc_debugfs_lseek, | |
1189 | .read = lpfc_debugfs_read, | |
1190 | .write = lpfc_debugfs_dumpDataDif_write, | |
1191 | .release = lpfc_debugfs_dumpDataDif_release, | |
1192 | }; | |
1193 | ||
1194 | #undef lpfc_debugfs_op_dumpDif | |
71fa7421 | 1195 | static const struct file_operations lpfc_debugfs_op_dumpDif = { |
e2a0a9d6 JS |
1196 | .owner = THIS_MODULE, |
1197 | .open = lpfc_debugfs_dumpDif_open, | |
1198 | .llseek = lpfc_debugfs_lseek, | |
1199 | .read = lpfc_debugfs_read, | |
1200 | .write = lpfc_debugfs_dumpDataDif_write, | |
1201 | .release = lpfc_debugfs_dumpDataDif_release, | |
1202 | }; | |
1203 | ||
a58cbd52 | 1204 | #undef lpfc_debugfs_op_slow_ring_trc |
71fa7421 | 1205 | static const struct file_operations lpfc_debugfs_op_slow_ring_trc = { |
a58cbd52 JS |
1206 | .owner = THIS_MODULE, |
1207 | .open = lpfc_debugfs_slow_ring_trc_open, | |
1208 | .llseek = lpfc_debugfs_lseek, | |
1209 | .read = lpfc_debugfs_read, | |
1210 | .release = lpfc_debugfs_release, | |
1211 | }; | |
1212 | ||
858c9f6c JS |
1213 | static struct dentry *lpfc_debugfs_root = NULL; |
1214 | static atomic_t lpfc_debugfs_hba_count; | |
1215 | #endif | |
1216 | ||
e59058c4 | 1217 | /** |
3621a710 | 1218 | * lpfc_debugfs_initialize - Initialize debugfs for a vport |
e59058c4 JS |
1219 | * @vport: The vport pointer to initialize. |
1220 | * | |
1221 | * Description: | |
1222 | * When Debugfs is configured this routine sets up the lpfc debugfs file system. | |
1223 | * If not already created, this routine will create the lpfc directory, and | |
1224 | * lpfcX directory (for this HBA), and vportX directory for this vport. It will | |
1225 | * also create each file used to access lpfc specific debugfs information. | |
1226 | **/ | |
858c9f6c JS |
1227 | inline void |
1228 | lpfc_debugfs_initialize(struct lpfc_vport *vport) | |
1229 | { | |
923e4b6a | 1230 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
858c9f6c JS |
1231 | struct lpfc_hba *phba = vport->phba; |
1232 | char name[64]; | |
1233 | uint32_t num, i; | |
1234 | ||
1235 | if (!lpfc_debugfs_enable) | |
1236 | return; | |
1237 | ||
a58cbd52 | 1238 | /* Setup lpfc root directory */ |
858c9f6c JS |
1239 | if (!lpfc_debugfs_root) { |
1240 | lpfc_debugfs_root = debugfs_create_dir("lpfc", NULL); | |
1241 | atomic_set(&lpfc_debugfs_hba_count, 0); | |
a58cbd52 | 1242 | if (!lpfc_debugfs_root) { |
e8b62011 | 1243 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 1244 | "0408 Cannot create debugfs root\n"); |
858c9f6c | 1245 | goto debug_failed; |
a58cbd52 | 1246 | } |
858c9f6c | 1247 | } |
a58cbd52 JS |
1248 | if (!lpfc_debugfs_start_time) |
1249 | lpfc_debugfs_start_time = jiffies; | |
1250 | ||
1251 | /* Setup lpfcX directory for specific HBA */ | |
858c9f6c JS |
1252 | snprintf(name, sizeof(name), "lpfc%d", phba->brd_no); |
1253 | if (!phba->hba_debugfs_root) { | |
1254 | phba->hba_debugfs_root = | |
1255 | debugfs_create_dir(name, lpfc_debugfs_root); | |
a58cbd52 | 1256 | if (!phba->hba_debugfs_root) { |
e8b62011 | 1257 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 1258 | "0412 Cannot create debugfs hba\n"); |
858c9f6c | 1259 | goto debug_failed; |
a58cbd52 | 1260 | } |
858c9f6c JS |
1261 | atomic_inc(&lpfc_debugfs_hba_count); |
1262 | atomic_set(&phba->debugfs_vport_count, 0); | |
a58cbd52 | 1263 | |
78b2d852 JS |
1264 | /* Setup hbqinfo */ |
1265 | snprintf(name, sizeof(name), "hbqinfo"); | |
1266 | phba->debug_hbqinfo = | |
1267 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
1268 | phba->hba_debugfs_root, | |
1269 | phba, &lpfc_debugfs_op_hbqinfo); | |
1270 | if (!phba->debug_hbqinfo) { | |
1271 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
d7c255b2 | 1272 | "0411 Cannot create debugfs hbqinfo\n"); |
78b2d852 JS |
1273 | goto debug_failed; |
1274 | } | |
1275 | ||
c95d6c6c JS |
1276 | /* Setup dumpHBASlim */ |
1277 | snprintf(name, sizeof(name), "dumpHBASlim"); | |
1278 | phba->debug_dumpHBASlim = | |
a58cbd52 JS |
1279 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, |
1280 | phba->hba_debugfs_root, | |
c95d6c6c JS |
1281 | phba, &lpfc_debugfs_op_dumpHBASlim); |
1282 | if (!phba->debug_dumpHBASlim) { | |
e8b62011 | 1283 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 1284 | "0413 Cannot create debugfs dumpHBASlim\n"); |
c95d6c6c JS |
1285 | goto debug_failed; |
1286 | } | |
1287 | ||
1288 | /* Setup dumpHostSlim */ | |
1289 | snprintf(name, sizeof(name), "dumpHostSlim"); | |
1290 | phba->debug_dumpHostSlim = | |
1291 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
1292 | phba->hba_debugfs_root, | |
1293 | phba, &lpfc_debugfs_op_dumpHostSlim); | |
1294 | if (!phba->debug_dumpHostSlim) { | |
1295 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
d7c255b2 | 1296 | "0414 Cannot create debugfs dumpHostSlim\n"); |
a58cbd52 JS |
1297 | goto debug_failed; |
1298 | } | |
1299 | ||
e2a0a9d6 JS |
1300 | /* Setup dumpData */ |
1301 | snprintf(name, sizeof(name), "dumpData"); | |
1302 | phba->debug_dumpData = | |
1303 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
1304 | phba->hba_debugfs_root, | |
1305 | phba, &lpfc_debugfs_op_dumpData); | |
1306 | if (!phba->debug_dumpData) { | |
1307 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
1308 | "0800 Cannot create debugfs dumpData\n"); | |
1309 | goto debug_failed; | |
1310 | } | |
1311 | ||
1312 | /* Setup dumpDif */ | |
1313 | snprintf(name, sizeof(name), "dumpDif"); | |
1314 | phba->debug_dumpDif = | |
1315 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
1316 | phba->hba_debugfs_root, | |
1317 | phba, &lpfc_debugfs_op_dumpDif); | |
1318 | if (!phba->debug_dumpDif) { | |
1319 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
1320 | "0801 Cannot create debugfs dumpDif\n"); | |
1321 | goto debug_failed; | |
1322 | } | |
1323 | ||
1324 | ||
1325 | ||
a58cbd52 JS |
1326 | /* Setup slow ring trace */ |
1327 | if (lpfc_debugfs_max_slow_ring_trc) { | |
1328 | num = lpfc_debugfs_max_slow_ring_trc - 1; | |
1329 | if (num & lpfc_debugfs_max_slow_ring_trc) { | |
1330 | /* Change to be a power of 2 */ | |
1331 | num = lpfc_debugfs_max_slow_ring_trc; | |
1332 | i = 0; | |
1333 | while (num > 1) { | |
1334 | num = num >> 1; | |
1335 | i++; | |
1336 | } | |
1337 | lpfc_debugfs_max_slow_ring_trc = (1 << i); | |
1338 | printk(KERN_ERR | |
e8b62011 JS |
1339 | "lpfc_debugfs_max_disc_trc changed to " |
1340 | "%d\n", lpfc_debugfs_max_disc_trc); | |
a58cbd52 JS |
1341 | } |
1342 | } | |
1343 | ||
1344 | ||
1345 | snprintf(name, sizeof(name), "slow_ring_trace"); | |
1346 | phba->debug_slow_ring_trc = | |
1347 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
1348 | phba->hba_debugfs_root, | |
1349 | phba, &lpfc_debugfs_op_slow_ring_trc); | |
1350 | if (!phba->debug_slow_ring_trc) { | |
e8b62011 | 1351 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 1352 | "0415 Cannot create debugfs " |
e8b62011 | 1353 | "slow_ring_trace\n"); |
a58cbd52 JS |
1354 | goto debug_failed; |
1355 | } | |
1356 | if (!phba->slow_ring_trc) { | |
1357 | phba->slow_ring_trc = kmalloc( | |
1358 | (sizeof(struct lpfc_debugfs_trc) * | |
1359 | lpfc_debugfs_max_slow_ring_trc), | |
1360 | GFP_KERNEL); | |
1361 | if (!phba->slow_ring_trc) { | |
e8b62011 | 1362 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 1363 | "0416 Cannot create debugfs " |
e8b62011 | 1364 | "slow_ring buffer\n"); |
a58cbd52 JS |
1365 | goto debug_failed; |
1366 | } | |
1367 | atomic_set(&phba->slow_ring_trc_cnt, 0); | |
1368 | memset(phba->slow_ring_trc, 0, | |
1369 | (sizeof(struct lpfc_debugfs_trc) * | |
1370 | lpfc_debugfs_max_slow_ring_trc)); | |
1371 | } | |
858c9f6c JS |
1372 | } |
1373 | ||
1374 | snprintf(name, sizeof(name), "vport%d", vport->vpi); | |
1375 | if (!vport->vport_debugfs_root) { | |
1376 | vport->vport_debugfs_root = | |
1377 | debugfs_create_dir(name, phba->hba_debugfs_root); | |
a58cbd52 | 1378 | if (!vport->vport_debugfs_root) { |
e8b62011 | 1379 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 1380 | "0417 Cant create debugfs"); |
858c9f6c | 1381 | goto debug_failed; |
a58cbd52 | 1382 | } |
858c9f6c JS |
1383 | atomic_inc(&phba->debugfs_vport_count); |
1384 | } | |
1385 | ||
a58cbd52 JS |
1386 | if (lpfc_debugfs_max_disc_trc) { |
1387 | num = lpfc_debugfs_max_disc_trc - 1; | |
1388 | if (num & lpfc_debugfs_max_disc_trc) { | |
1389 | /* Change to be a power of 2 */ | |
1390 | num = lpfc_debugfs_max_disc_trc; | |
1391 | i = 0; | |
1392 | while (num > 1) { | |
1393 | num = num >> 1; | |
1394 | i++; | |
1395 | } | |
1396 | lpfc_debugfs_max_disc_trc = (1 << i); | |
1397 | printk(KERN_ERR | |
e8b62011 JS |
1398 | "lpfc_debugfs_max_disc_trc changed to %d\n", |
1399 | lpfc_debugfs_max_disc_trc); | |
a58cbd52 JS |
1400 | } |
1401 | } | |
858c9f6c | 1402 | |
ff86ba59 | 1403 | vport->disc_trc = kzalloc( |
a58cbd52 | 1404 | (sizeof(struct lpfc_debugfs_trc) * lpfc_debugfs_max_disc_trc), |
858c9f6c JS |
1405 | GFP_KERNEL); |
1406 | ||
a58cbd52 | 1407 | if (!vport->disc_trc) { |
e8b62011 | 1408 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 1409 | "0418 Cannot create debugfs disc trace " |
e8b62011 | 1410 | "buffer\n"); |
858c9f6c | 1411 | goto debug_failed; |
a58cbd52 JS |
1412 | } |
1413 | atomic_set(&vport->disc_trc_cnt, 0); | |
858c9f6c JS |
1414 | |
1415 | snprintf(name, sizeof(name), "discovery_trace"); | |
1416 | vport->debug_disc_trc = | |
1417 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
1418 | vport->vport_debugfs_root, | |
1419 | vport, &lpfc_debugfs_op_disc_trc); | |
1420 | if (!vport->debug_disc_trc) { | |
e8b62011 | 1421 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 1422 | "0419 Cannot create debugfs " |
e8b62011 | 1423 | "discovery_trace\n"); |
858c9f6c JS |
1424 | goto debug_failed; |
1425 | } | |
1426 | snprintf(name, sizeof(name), "nodelist"); | |
1427 | vport->debug_nodelist = | |
1428 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
1429 | vport->vport_debugfs_root, | |
1430 | vport, &lpfc_debugfs_op_nodelist); | |
1431 | if (!vport->debug_nodelist) { | |
e8b62011 JS |
1432 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
1433 | "0409 Cant create debugfs nodelist"); | |
858c9f6c JS |
1434 | goto debug_failed; |
1435 | } | |
1436 | debug_failed: | |
1437 | return; | |
1438 | #endif | |
1439 | } | |
1440 | ||
e59058c4 | 1441 | /** |
3621a710 | 1442 | * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport |
e59058c4 JS |
1443 | * @vport: The vport pointer to remove from debugfs. |
1444 | * | |
1445 | * Description: | |
1446 | * When Debugfs is configured this routine removes debugfs file system elements | |
1447 | * that are specific to this vport. It also checks to see if there are any | |
1448 | * users left for the debugfs directories associated with the HBA and driver. If | |
1449 | * this is the last user of the HBA directory or driver directory then it will | |
1450 | * remove those from the debugfs infrastructure as well. | |
1451 | **/ | |
858c9f6c JS |
1452 | inline void |
1453 | lpfc_debugfs_terminate(struct lpfc_vport *vport) | |
1454 | { | |
923e4b6a | 1455 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
858c9f6c JS |
1456 | struct lpfc_hba *phba = vport->phba; |
1457 | ||
1458 | if (vport->disc_trc) { | |
1459 | kfree(vport->disc_trc); | |
1460 | vport->disc_trc = NULL; | |
1461 | } | |
1462 | if (vport->debug_disc_trc) { | |
1463 | debugfs_remove(vport->debug_disc_trc); /* discovery_trace */ | |
1464 | vport->debug_disc_trc = NULL; | |
1465 | } | |
1466 | if (vport->debug_nodelist) { | |
1467 | debugfs_remove(vport->debug_nodelist); /* nodelist */ | |
1468 | vport->debug_nodelist = NULL; | |
1469 | } | |
a58cbd52 | 1470 | |
858c9f6c JS |
1471 | if (vport->vport_debugfs_root) { |
1472 | debugfs_remove(vport->vport_debugfs_root); /* vportX */ | |
1473 | vport->vport_debugfs_root = NULL; | |
1474 | atomic_dec(&phba->debugfs_vport_count); | |
1475 | } | |
1476 | if (atomic_read(&phba->debugfs_vport_count) == 0) { | |
a58cbd52 | 1477 | |
78b2d852 JS |
1478 | if (phba->debug_hbqinfo) { |
1479 | debugfs_remove(phba->debug_hbqinfo); /* hbqinfo */ | |
1480 | phba->debug_hbqinfo = NULL; | |
1481 | } | |
c95d6c6c JS |
1482 | if (phba->debug_dumpHBASlim) { |
1483 | debugfs_remove(phba->debug_dumpHBASlim); /* HBASlim */ | |
1484 | phba->debug_dumpHBASlim = NULL; | |
1485 | } | |
1486 | if (phba->debug_dumpHostSlim) { | |
1487 | debugfs_remove(phba->debug_dumpHostSlim); /* HostSlim */ | |
1488 | phba->debug_dumpHostSlim = NULL; | |
a58cbd52 | 1489 | } |
e2a0a9d6 JS |
1490 | if (phba->debug_dumpData) { |
1491 | debugfs_remove(phba->debug_dumpData); /* dumpData */ | |
1492 | phba->debug_dumpData = NULL; | |
1493 | } | |
1494 | ||
1495 | if (phba->debug_dumpDif) { | |
1496 | debugfs_remove(phba->debug_dumpDif); /* dumpDif */ | |
1497 | phba->debug_dumpDif = NULL; | |
1498 | } | |
1499 | ||
a58cbd52 JS |
1500 | if (phba->slow_ring_trc) { |
1501 | kfree(phba->slow_ring_trc); | |
1502 | phba->slow_ring_trc = NULL; | |
1503 | } | |
1504 | if (phba->debug_slow_ring_trc) { | |
1505 | /* slow_ring_trace */ | |
1506 | debugfs_remove(phba->debug_slow_ring_trc); | |
1507 | phba->debug_slow_ring_trc = NULL; | |
1508 | } | |
1509 | ||
1510 | if (phba->hba_debugfs_root) { | |
1511 | debugfs_remove(phba->hba_debugfs_root); /* lpfcX */ | |
1512 | phba->hba_debugfs_root = NULL; | |
1513 | atomic_dec(&lpfc_debugfs_hba_count); | |
1514 | } | |
1515 | ||
858c9f6c JS |
1516 | if (atomic_read(&lpfc_debugfs_hba_count) == 0) { |
1517 | debugfs_remove(lpfc_debugfs_root); /* lpfc */ | |
1518 | lpfc_debugfs_root = NULL; | |
1519 | } | |
1520 | } | |
1521 | #endif | |
a58cbd52 | 1522 | return; |
858c9f6c | 1523 | } |