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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. * | |
4 | * Copyright (C) 2007 Emulex. All rights reserved. * | |
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> | |
30 | #include <linux/version.h> | |
31 | ||
32 | #include <scsi/scsi.h> | |
33 | #include <scsi/scsi_device.h> | |
34 | #include <scsi/scsi_host.h> | |
35 | #include <scsi/scsi_transport_fc.h> | |
36 | ||
37 | #include "lpfc_hw.h" | |
38 | #include "lpfc_sli.h" | |
39 | #include "lpfc_disc.h" | |
40 | #include "lpfc_scsi.h" | |
41 | #include "lpfc.h" | |
42 | #include "lpfc_logmsg.h" | |
43 | #include "lpfc_crtn.h" | |
44 | #include "lpfc_vport.h" | |
45 | #include "lpfc_version.h" | |
c95d6c6c | 46 | #include "lpfc_compat.h" |
858c9f6c JS |
47 | #include "lpfc_debugfs.h" |
48 | ||
49 | #ifdef CONFIG_LPFC_DEBUG_FS | |
50 | /* debugfs interface | |
51 | * | |
52 | * To access this interface the user should: | |
53 | * # mkdir /debug | |
54 | * # mount -t debugfs none /debug | |
55 | * | |
56 | * The lpfc debugfs directory hierachy is: | |
57 | * lpfc/lpfcX/vportY | |
58 | * where X is the lpfc hba unique_id | |
59 | * where Y is the vport VPI on that hba | |
60 | * | |
61 | * Debugging services available per vport: | |
62 | * discovery_trace | |
63 | * This is an ACSII readable file that contains a trace of the last | |
64 | * lpfc_debugfs_max_disc_trc events that happened on a specific vport. | |
65 | * See lpfc_debugfs.h for different categories of | |
66 | * discovery events. To enable the discovery trace, the following | |
67 | * module parameters must be set: | |
68 | * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support | |
69 | * lpfc_debugfs_max_disc_trc=X Where X is the event trace depth for | |
70 | * EACH vport. X MUST also be a power of 2. | |
71 | * lpfc_debugfs_mask_disc_trc=Y Where Y is an event mask as defined in | |
72 | * lpfc_debugfs.h . | |
73 | */ | |
51ef4c26 | 74 | static int lpfc_debugfs_enable = 1; |
858c9f6c JS |
75 | module_param(lpfc_debugfs_enable, int, 0); |
76 | MODULE_PARM_DESC(lpfc_debugfs_enable, "Enable debugfs services"); | |
77 | ||
a58cbd52 | 78 | /* This MUST be a power of 2 */ |
c95d6c6c | 79 | static int lpfc_debugfs_max_disc_trc; |
858c9f6c JS |
80 | module_param(lpfc_debugfs_max_disc_trc, int, 0); |
81 | MODULE_PARM_DESC(lpfc_debugfs_max_disc_trc, | |
82 | "Set debugfs discovery trace depth"); | |
83 | ||
a58cbd52 | 84 | /* This MUST be a power of 2 */ |
c95d6c6c | 85 | static int lpfc_debugfs_max_slow_ring_trc; |
a58cbd52 JS |
86 | module_param(lpfc_debugfs_max_slow_ring_trc, int, 0); |
87 | MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc, | |
88 | "Set debugfs slow ring trace depth"); | |
89 | ||
c95d6c6c | 90 | int lpfc_debugfs_mask_disc_trc; |
858c9f6c JS |
91 | module_param(lpfc_debugfs_mask_disc_trc, int, 0); |
92 | MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc, | |
93 | "Set debugfs discovery trace mask"); | |
94 | ||
95 | #include <linux/debugfs.h> | |
96 | ||
a58cbd52 JS |
97 | /* size of output line, for discovery_trace and slow_ring_trace */ |
98 | #define LPFC_DEBUG_TRC_ENTRY_SIZE 100 | |
858c9f6c JS |
99 | |
100 | /* nodelist output buffer size */ | |
101 | #define LPFC_NODELIST_SIZE 8192 | |
102 | #define LPFC_NODELIST_ENTRY_SIZE 120 | |
103 | ||
c95d6c6c JS |
104 | /* dumpHBASlim output buffer size */ |
105 | #define LPFC_DUMPHBASLIM_SIZE 4096 | |
106 | ||
107 | /* dumpHostSlim output buffer size */ | |
108 | #define LPFC_DUMPHOSTSLIM_SIZE 4096 | |
a58cbd52 | 109 | |
78b2d852 JS |
110 | /* hbqinfo output buffer size */ |
111 | #define LPFC_HBQINFO_SIZE 8192 | |
112 | ||
858c9f6c JS |
113 | struct lpfc_debug { |
114 | char *buffer; | |
115 | int len; | |
116 | }; | |
117 | ||
311464ec JS |
118 | static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); |
119 | static unsigned long lpfc_debugfs_start_time = 0L; | |
858c9f6c JS |
120 | |
121 | static int | |
122 | lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size) | |
123 | { | |
124 | int i, index, len, enable; | |
125 | uint32_t ms; | |
a58cbd52 JS |
126 | struct lpfc_debugfs_trc *dtp; |
127 | char buffer[LPFC_DEBUG_TRC_ENTRY_SIZE]; | |
858c9f6c JS |
128 | |
129 | ||
130 | enable = lpfc_debugfs_enable; | |
131 | lpfc_debugfs_enable = 0; | |
132 | ||
133 | len = 0; | |
134 | index = (atomic_read(&vport->disc_trc_cnt) + 1) & | |
135 | (lpfc_debugfs_max_disc_trc - 1); | |
136 | for (i = index; i < lpfc_debugfs_max_disc_trc; i++) { | |
137 | dtp = vport->disc_trc + i; | |
138 | if (!dtp->fmt) | |
139 | continue; | |
140 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); | |
a58cbd52 JS |
141 | snprintf(buffer, |
142 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", | |
858c9f6c JS |
143 | dtp->seq_cnt, ms, dtp->fmt); |
144 | len += snprintf(buf+len, size-len, buffer, | |
145 | dtp->data1, dtp->data2, dtp->data3); | |
146 | } | |
147 | for (i = 0; i < index; i++) { | |
148 | dtp = vport->disc_trc + i; | |
149 | if (!dtp->fmt) | |
150 | continue; | |
151 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); | |
a58cbd52 JS |
152 | snprintf(buffer, |
153 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", | |
154 | dtp->seq_cnt, ms, dtp->fmt); | |
155 | len += snprintf(buf+len, size-len, buffer, | |
156 | dtp->data1, dtp->data2, dtp->data3); | |
157 | } | |
158 | ||
159 | lpfc_debugfs_enable = enable; | |
160 | return len; | |
161 | } | |
162 | ||
163 | static int | |
164 | lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size) | |
165 | { | |
166 | int i, index, len, enable; | |
167 | uint32_t ms; | |
168 | struct lpfc_debugfs_trc *dtp; | |
169 | char buffer[LPFC_DEBUG_TRC_ENTRY_SIZE]; | |
170 | ||
171 | ||
172 | enable = lpfc_debugfs_enable; | |
173 | lpfc_debugfs_enable = 0; | |
174 | ||
175 | len = 0; | |
176 | index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) & | |
177 | (lpfc_debugfs_max_slow_ring_trc - 1); | |
178 | for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) { | |
179 | dtp = phba->slow_ring_trc + i; | |
180 | if (!dtp->fmt) | |
181 | continue; | |
182 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); | |
183 | snprintf(buffer, | |
184 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", | |
185 | dtp->seq_cnt, ms, dtp->fmt); | |
186 | len += snprintf(buf+len, size-len, buffer, | |
187 | dtp->data1, dtp->data2, dtp->data3); | |
188 | } | |
189 | for (i = 0; i < index; i++) { | |
190 | dtp = phba->slow_ring_trc + i; | |
191 | if (!dtp->fmt) | |
192 | continue; | |
193 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); | |
194 | snprintf(buffer, | |
195 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", | |
858c9f6c JS |
196 | dtp->seq_cnt, ms, dtp->fmt); |
197 | len += snprintf(buf+len, size-len, buffer, | |
198 | dtp->data1, dtp->data2, dtp->data3); | |
199 | } | |
200 | ||
201 | lpfc_debugfs_enable = enable; | |
202 | return len; | |
203 | } | |
204 | ||
311464ec | 205 | static int lpfc_debugfs_last_hbq = -1; |
78b2d852 JS |
206 | |
207 | static int | |
208 | lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size) | |
209 | { | |
210 | int len = 0; | |
211 | int cnt, i, j, found, posted, low; | |
212 | uint32_t phys, raw_index, getidx; | |
213 | struct lpfc_hbq_init *hip; | |
214 | struct hbq_s *hbqs; | |
215 | struct lpfc_hbq_entry *hbqe; | |
216 | struct lpfc_dmabuf *d_buf; | |
217 | struct hbq_dmabuf *hbq_buf; | |
218 | ||
219 | cnt = LPFC_HBQINFO_SIZE; | |
220 | spin_lock_irq(&phba->hbalock); | |
221 | ||
222 | /* toggle between multiple hbqs, if any */ | |
223 | i = lpfc_sli_hbq_count(); | |
224 | if (i > 1) { | |
225 | lpfc_debugfs_last_hbq++; | |
226 | if (lpfc_debugfs_last_hbq >= i) | |
227 | lpfc_debugfs_last_hbq = 0; | |
228 | } | |
229 | else | |
230 | lpfc_debugfs_last_hbq = 0; | |
231 | ||
232 | i = lpfc_debugfs_last_hbq; | |
233 | ||
234 | len += snprintf(buf+len, size-len, "HBQ %d Info\n", i); | |
235 | ||
51ef4c26 | 236 | hbqs = &phba->hbqs[i]; |
78b2d852 | 237 | posted = 0; |
51ef4c26 | 238 | list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) |
78b2d852 JS |
239 | posted++; |
240 | ||
241 | hip = lpfc_hbq_defs[i]; | |
242 | len += snprintf(buf+len, size-len, | |
243 | "idx:%d prof:%d rn:%d bufcnt:%d icnt:%d acnt:%d posted %d\n", | |
244 | hip->hbq_index, hip->profile, hip->rn, | |
245 | hip->buffer_count, hip->init_count, hip->add_count, posted); | |
246 | ||
78b2d852 JS |
247 | raw_index = phba->hbq_get[i]; |
248 | getidx = le32_to_cpu(raw_index); | |
249 | len += snprintf(buf+len, size-len, | |
a8adb832 JS |
250 | "entrys:%d bufcnt:%d Put:%d nPut:%d localGet:%d hbaGet:%d\n", |
251 | hbqs->entry_count, hbqs->buffer_count, hbqs->hbqPutIdx, | |
252 | hbqs->next_hbqPutIdx, hbqs->local_hbqGetIdx, getidx); | |
78b2d852 | 253 | |
51ef4c26 | 254 | hbqe = (struct lpfc_hbq_entry *) phba->hbqs[i].hbq_virt; |
78b2d852 JS |
255 | for (j=0; j<hbqs->entry_count; j++) { |
256 | len += snprintf(buf+len, size-len, | |
257 | "%03d: %08x %04x %05x ", j, | |
a8adb832 JS |
258 | le32_to_cpu(hbqe->bde.addrLow), |
259 | le32_to_cpu(hbqe->bde.tus.w), | |
260 | le32_to_cpu(hbqe->buffer_tag)); | |
78b2d852 JS |
261 | i = 0; |
262 | found = 0; | |
263 | ||
264 | /* First calculate if slot has an associated posted buffer */ | |
265 | low = hbqs->hbqPutIdx - posted; | |
266 | if (low >= 0) { | |
267 | if ((j >= hbqs->hbqPutIdx) || (j < low)) { | |
268 | len += snprintf(buf+len, size-len, "Unused\n"); | |
269 | goto skipit; | |
270 | } | |
271 | } | |
272 | else { | |
273 | if ((j >= hbqs->hbqPutIdx) && | |
274 | (j < (hbqs->entry_count+low))) { | |
275 | len += snprintf(buf+len, size-len, "Unused\n"); | |
276 | goto skipit; | |
277 | } | |
278 | } | |
279 | ||
280 | /* Get the Buffer info for the posted buffer */ | |
51ef4c26 | 281 | list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) { |
78b2d852 JS |
282 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
283 | phys = ((uint64_t)hbq_buf->dbuf.phys & 0xffffffff); | |
a8adb832 | 284 | if (phys == le32_to_cpu(hbqe->bde.addrLow)) { |
78b2d852 JS |
285 | len += snprintf(buf+len, size-len, |
286 | "Buf%d: %p %06x\n", i, | |
287 | hbq_buf->dbuf.virt, hbq_buf->tag); | |
288 | found = 1; | |
289 | break; | |
290 | } | |
291 | i++; | |
292 | } | |
293 | if (!found) { | |
294 | len += snprintf(buf+len, size-len, "No DMAinfo?\n"); | |
295 | } | |
296 | skipit: | |
297 | hbqe++; | |
298 | if (len > LPFC_HBQINFO_SIZE - 54) | |
299 | break; | |
300 | } | |
301 | spin_unlock_irq(&phba->hbalock); | |
302 | return len; | |
303 | } | |
304 | ||
c95d6c6c JS |
305 | static int lpfc_debugfs_last_hba_slim_off; |
306 | ||
307 | static int | |
308 | lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size) | |
309 | { | |
310 | int len = 0; | |
311 | int i, off; | |
312 | uint32_t *ptr; | |
313 | char buffer[1024]; | |
314 | ||
315 | off = 0; | |
316 | spin_lock_irq(&phba->hbalock); | |
317 | ||
318 | len += snprintf(buf+len, size-len, "HBA SLIM\n"); | |
319 | lpfc_memcpy_from_slim(buffer, | |
320 | ((uint8_t *)phba->MBslimaddr) + lpfc_debugfs_last_hba_slim_off, | |
321 | 1024); | |
322 | ||
323 | ptr = (uint32_t *)&buffer[0]; | |
324 | off = lpfc_debugfs_last_hba_slim_off; | |
325 | ||
326 | /* Set it up for the next time */ | |
327 | lpfc_debugfs_last_hba_slim_off += 1024; | |
328 | if (lpfc_debugfs_last_hba_slim_off >= 4096) | |
329 | lpfc_debugfs_last_hba_slim_off = 0; | |
330 | ||
331 | i = 1024; | |
332 | while (i > 0) { | |
333 | len += snprintf(buf+len, size-len, | |
334 | "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", | |
335 | off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), | |
336 | *(ptr+5), *(ptr+6), *(ptr+7)); | |
337 | ptr += 8; | |
338 | i -= (8 * sizeof(uint32_t)); | |
339 | off += (8 * sizeof(uint32_t)); | |
340 | } | |
341 | ||
342 | spin_unlock_irq(&phba->hbalock); | |
343 | return len; | |
344 | } | |
345 | ||
a58cbd52 | 346 | static int |
c95d6c6c | 347 | lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size) |
a58cbd52 JS |
348 | { |
349 | int len = 0; | |
c95d6c6c | 350 | int i, off; |
a58cbd52 JS |
351 | uint32_t word0, word1, word2, word3; |
352 | uint32_t *ptr; | |
353 | struct lpfc_pgp *pgpp; | |
354 | struct lpfc_sli *psli = &phba->sli; | |
355 | struct lpfc_sli_ring *pring; | |
356 | ||
a58cbd52 JS |
357 | off = 0; |
358 | spin_lock_irq(&phba->hbalock); | |
359 | ||
360 | len += snprintf(buf+len, size-len, "SLIM Mailbox\n"); | |
361 | ptr = (uint32_t *)phba->slim2p; | |
362 | i = sizeof(MAILBOX_t); | |
363 | while (i > 0) { | |
364 | len += snprintf(buf+len, size-len, | |
365 | "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", | |
366 | off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), | |
367 | *(ptr+5), *(ptr+6), *(ptr+7)); | |
368 | ptr += 8; | |
369 | i -= (8 * sizeof(uint32_t)); | |
370 | off += (8 * sizeof(uint32_t)); | |
371 | } | |
372 | ||
373 | len += snprintf(buf+len, size-len, "SLIM PCB\n"); | |
374 | ptr = (uint32_t *)&phba->slim2p->pcb; | |
375 | i = sizeof(PCB_t); | |
376 | while (i > 0) { | |
377 | len += snprintf(buf+len, size-len, | |
378 | "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", | |
379 | off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), | |
380 | *(ptr+5), *(ptr+6), *(ptr+7)); | |
381 | ptr += 8; | |
382 | i -= (8 * sizeof(uint32_t)); | |
383 | off += (8 * sizeof(uint32_t)); | |
384 | } | |
385 | ||
386 | pgpp = (struct lpfc_pgp *)&phba->slim2p->mbx.us.s3_pgp.port; | |
387 | pring = &psli->ring[0]; | |
388 | len += snprintf(buf+len, size-len, | |
389 | "Ring 0: CMD GetInx:%d (Max:%d Next:%d Local:%d flg:x%x) " | |
390 | "RSP PutInx:%d Max:%d\n", | |
391 | pgpp->cmdGetInx, pring->numCiocb, | |
392 | pring->next_cmdidx, pring->local_getidx, pring->flag, | |
393 | pgpp->rspPutInx, pring->numRiocb); | |
394 | pgpp++; | |
395 | ||
396 | pring = &psli->ring[1]; | |
397 | len += snprintf(buf+len, size-len, | |
398 | "Ring 1: CMD GetInx:%d (Max:%d Next:%d Local:%d flg:x%x) " | |
399 | "RSP PutInx:%d Max:%d\n", | |
400 | pgpp->cmdGetInx, pring->numCiocb, | |
401 | pring->next_cmdidx, pring->local_getidx, pring->flag, | |
402 | pgpp->rspPutInx, pring->numRiocb); | |
403 | pgpp++; | |
404 | ||
405 | pring = &psli->ring[2]; | |
406 | len += snprintf(buf+len, size-len, | |
407 | "Ring 2: CMD GetInx:%d (Max:%d Next:%d Local:%d flg:x%x) " | |
408 | "RSP PutInx:%d Max:%d\n", | |
409 | pgpp->cmdGetInx, pring->numCiocb, | |
410 | pring->next_cmdidx, pring->local_getidx, pring->flag, | |
411 | pgpp->rspPutInx, pring->numRiocb); | |
412 | pgpp++; | |
413 | ||
414 | pring = &psli->ring[3]; | |
415 | len += snprintf(buf+len, size-len, | |
416 | "Ring 3: CMD GetInx:%d (Max:%d Next:%d Local:%d flg:x%x) " | |
417 | "RSP PutInx:%d Max:%d\n", | |
418 | pgpp->cmdGetInx, pring->numCiocb, | |
419 | pring->next_cmdidx, pring->local_getidx, pring->flag, | |
420 | pgpp->rspPutInx, pring->numRiocb); | |
421 | ||
422 | ||
423 | ptr = (uint32_t *)&phba->slim2p->mbx.us.s3_pgp.hbq_get; | |
424 | word0 = readl(phba->HAregaddr); | |
425 | word1 = readl(phba->CAregaddr); | |
426 | word2 = readl(phba->HSregaddr); | |
427 | word3 = readl(phba->HCregaddr); | |
428 | len += snprintf(buf+len, size-len, "HA:%08x CA:%08x HS:%08x HC:%08x\n", | |
429 | word0, word1, word2, word3); | |
430 | spin_unlock_irq(&phba->hbalock); | |
431 | return len; | |
432 | } | |
433 | ||
858c9f6c JS |
434 | static int |
435 | lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size) | |
436 | { | |
437 | int len = 0; | |
438 | int cnt; | |
439 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
440 | struct lpfc_nodelist *ndlp; | |
441 | unsigned char *statep, *name; | |
442 | ||
443 | cnt = (LPFC_NODELIST_SIZE / LPFC_NODELIST_ENTRY_SIZE); | |
444 | ||
445 | spin_lock_irq(shost->host_lock); | |
446 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
447 | if (!cnt) { | |
448 | len += snprintf(buf+len, size-len, | |
449 | "Missing Nodelist Entries\n"); | |
450 | break; | |
451 | } | |
452 | cnt--; | |
453 | switch (ndlp->nlp_state) { | |
454 | case NLP_STE_UNUSED_NODE: | |
455 | statep = "UNUSED"; | |
456 | break; | |
457 | case NLP_STE_PLOGI_ISSUE: | |
458 | statep = "PLOGI "; | |
459 | break; | |
460 | case NLP_STE_ADISC_ISSUE: | |
461 | statep = "ADISC "; | |
462 | break; | |
463 | case NLP_STE_REG_LOGIN_ISSUE: | |
464 | statep = "REGLOG"; | |
465 | break; | |
466 | case NLP_STE_PRLI_ISSUE: | |
467 | statep = "PRLI "; | |
468 | break; | |
469 | case NLP_STE_UNMAPPED_NODE: | |
470 | statep = "UNMAP "; | |
471 | break; | |
472 | case NLP_STE_MAPPED_NODE: | |
473 | statep = "MAPPED"; | |
474 | break; | |
475 | case NLP_STE_NPR_NODE: | |
476 | statep = "NPR "; | |
477 | break; | |
478 | default: | |
479 | statep = "UNKNOWN"; | |
480 | } | |
481 | len += snprintf(buf+len, size-len, "%s DID:x%06x ", | |
482 | statep, ndlp->nlp_DID); | |
483 | name = (unsigned char *)&ndlp->nlp_portname; | |
484 | len += snprintf(buf+len, size-len, | |
485 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x ", | |
486 | *name, *(name+1), *(name+2), *(name+3), | |
487 | *(name+4), *(name+5), *(name+6), *(name+7)); | |
488 | name = (unsigned char *)&ndlp->nlp_nodename; | |
489 | len += snprintf(buf+len, size-len, | |
490 | "WWNN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x ", | |
491 | *name, *(name+1), *(name+2), *(name+3), | |
492 | *(name+4), *(name+5), *(name+6), *(name+7)); | |
493 | len += snprintf(buf+len, size-len, "RPI:%03d flag:x%08x ", | |
494 | ndlp->nlp_rpi, ndlp->nlp_flag); | |
495 | if (!ndlp->nlp_type) | |
a58cbd52 | 496 | len += snprintf(buf+len, size-len, "UNKNOWN_TYPE "); |
858c9f6c JS |
497 | if (ndlp->nlp_type & NLP_FC_NODE) |
498 | len += snprintf(buf+len, size-len, "FC_NODE "); | |
499 | if (ndlp->nlp_type & NLP_FABRIC) | |
500 | len += snprintf(buf+len, size-len, "FABRIC "); | |
501 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
502 | len += snprintf(buf+len, size-len, "FCP_TGT sid:%d ", | |
503 | ndlp->nlp_sid); | |
504 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
a58cbd52 | 505 | len += snprintf(buf+len, size-len, "FCP_INITIATOR "); |
58da1ffb JS |
506 | len += snprintf(buf+len, size-len, "usgmap:%x ", |
507 | ndlp->nlp_usg_map); | |
a58cbd52 JS |
508 | len += snprintf(buf+len, size-len, "refcnt:%x", |
509 | atomic_read(&ndlp->kref.refcount)); | |
858c9f6c JS |
510 | len += snprintf(buf+len, size-len, "\n"); |
511 | } | |
512 | spin_unlock_irq(shost->host_lock); | |
513 | return len; | |
514 | } | |
515 | #endif | |
516 | ||
517 | ||
518 | inline void | |
519 | lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt, | |
520 | uint32_t data1, uint32_t data2, uint32_t data3) | |
521 | { | |
522 | #ifdef CONFIG_LPFC_DEBUG_FS | |
a58cbd52 | 523 | struct lpfc_debugfs_trc *dtp; |
858c9f6c JS |
524 | int index; |
525 | ||
526 | if (!(lpfc_debugfs_mask_disc_trc & mask)) | |
527 | return; | |
528 | ||
529 | if (!lpfc_debugfs_enable || !lpfc_debugfs_max_disc_trc || | |
530 | !vport || !vport->disc_trc) | |
531 | return; | |
532 | ||
533 | index = atomic_inc_return(&vport->disc_trc_cnt) & | |
534 | (lpfc_debugfs_max_disc_trc - 1); | |
535 | dtp = vport->disc_trc + index; | |
536 | dtp->fmt = fmt; | |
537 | dtp->data1 = data1; | |
538 | dtp->data2 = data2; | |
539 | dtp->data3 = data3; | |
a58cbd52 JS |
540 | dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); |
541 | dtp->jif = jiffies; | |
542 | #endif | |
543 | return; | |
544 | } | |
545 | ||
546 | inline void | |
547 | lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt, | |
548 | uint32_t data1, uint32_t data2, uint32_t data3) | |
549 | { | |
550 | #ifdef CONFIG_LPFC_DEBUG_FS | |
551 | struct lpfc_debugfs_trc *dtp; | |
552 | int index; | |
553 | ||
554 | if (!lpfc_debugfs_enable || !lpfc_debugfs_max_slow_ring_trc || | |
555 | !phba || !phba->slow_ring_trc) | |
556 | return; | |
557 | ||
558 | index = atomic_inc_return(&phba->slow_ring_trc_cnt) & | |
559 | (lpfc_debugfs_max_slow_ring_trc - 1); | |
560 | dtp = phba->slow_ring_trc + index; | |
561 | dtp->fmt = fmt; | |
562 | dtp->data1 = data1; | |
563 | dtp->data2 = data2; | |
564 | dtp->data3 = data3; | |
565 | dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); | |
858c9f6c JS |
566 | dtp->jif = jiffies; |
567 | #endif | |
568 | return; | |
569 | } | |
570 | ||
571 | #ifdef CONFIG_LPFC_DEBUG_FS | |
572 | static int | |
573 | lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file) | |
574 | { | |
575 | struct lpfc_vport *vport = inode->i_private; | |
576 | struct lpfc_debug *debug; | |
577 | int size; | |
578 | int rc = -ENOMEM; | |
579 | ||
580 | if (!lpfc_debugfs_max_disc_trc) { | |
581 | rc = -ENOSPC; | |
582 | goto out; | |
583 | } | |
584 | ||
585 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
586 | if (!debug) | |
587 | goto out; | |
588 | ||
589 | /* Round to page boundry */ | |
a58cbd52 | 590 | size = (lpfc_debugfs_max_disc_trc * LPFC_DEBUG_TRC_ENTRY_SIZE); |
858c9f6c JS |
591 | size = PAGE_ALIGN(size); |
592 | ||
593 | debug->buffer = kmalloc(size, GFP_KERNEL); | |
594 | if (!debug->buffer) { | |
595 | kfree(debug); | |
596 | goto out; | |
597 | } | |
598 | ||
599 | debug->len = lpfc_debugfs_disc_trc_data(vport, debug->buffer, size); | |
600 | file->private_data = debug; | |
601 | ||
602 | rc = 0; | |
603 | out: | |
604 | return rc; | |
605 | } | |
606 | ||
a58cbd52 JS |
607 | static int |
608 | lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file) | |
609 | { | |
610 | struct lpfc_hba *phba = inode->i_private; | |
611 | struct lpfc_debug *debug; | |
612 | int size; | |
613 | int rc = -ENOMEM; | |
614 | ||
615 | if (!lpfc_debugfs_max_slow_ring_trc) { | |
616 | rc = -ENOSPC; | |
617 | goto out; | |
618 | } | |
619 | ||
620 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
621 | if (!debug) | |
622 | goto out; | |
623 | ||
624 | /* Round to page boundry */ | |
625 | size = (lpfc_debugfs_max_slow_ring_trc * LPFC_DEBUG_TRC_ENTRY_SIZE); | |
626 | size = PAGE_ALIGN(size); | |
627 | ||
628 | debug->buffer = kmalloc(size, GFP_KERNEL); | |
629 | if (!debug->buffer) { | |
630 | kfree(debug); | |
631 | goto out; | |
632 | } | |
633 | ||
634 | debug->len = lpfc_debugfs_slow_ring_trc_data(phba, debug->buffer, size); | |
635 | file->private_data = debug; | |
636 | ||
637 | rc = 0; | |
638 | out: | |
639 | return rc; | |
640 | } | |
641 | ||
78b2d852 JS |
642 | static int |
643 | lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file) | |
644 | { | |
645 | struct lpfc_hba *phba = inode->i_private; | |
646 | struct lpfc_debug *debug; | |
647 | int rc = -ENOMEM; | |
648 | ||
649 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
650 | if (!debug) | |
651 | goto out; | |
652 | ||
653 | /* Round to page boundry */ | |
654 | debug->buffer = kmalloc(LPFC_HBQINFO_SIZE, GFP_KERNEL); | |
655 | if (!debug->buffer) { | |
656 | kfree(debug); | |
657 | goto out; | |
658 | } | |
659 | ||
660 | debug->len = lpfc_debugfs_hbqinfo_data(phba, debug->buffer, | |
661 | LPFC_HBQINFO_SIZE); | |
662 | file->private_data = debug; | |
663 | ||
664 | rc = 0; | |
665 | out: | |
666 | return rc; | |
667 | } | |
668 | ||
a58cbd52 | 669 | static int |
c95d6c6c | 670 | lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file) |
a58cbd52 JS |
671 | { |
672 | struct lpfc_hba *phba = inode->i_private; | |
673 | struct lpfc_debug *debug; | |
674 | int rc = -ENOMEM; | |
675 | ||
676 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
677 | if (!debug) | |
678 | goto out; | |
679 | ||
680 | /* Round to page boundry */ | |
c95d6c6c | 681 | debug->buffer = kmalloc(LPFC_DUMPHBASLIM_SIZE, GFP_KERNEL); |
a58cbd52 JS |
682 | if (!debug->buffer) { |
683 | kfree(debug); | |
684 | goto out; | |
685 | } | |
686 | ||
c95d6c6c JS |
687 | debug->len = lpfc_debugfs_dumpHBASlim_data(phba, debug->buffer, |
688 | LPFC_DUMPHBASLIM_SIZE); | |
689 | file->private_data = debug; | |
690 | ||
691 | rc = 0; | |
692 | out: | |
693 | return rc; | |
694 | } | |
695 | ||
696 | static int | |
697 | lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file) | |
698 | { | |
699 | struct lpfc_hba *phba = inode->i_private; | |
700 | struct lpfc_debug *debug; | |
701 | int rc = -ENOMEM; | |
702 | ||
703 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
704 | if (!debug) | |
705 | goto out; | |
706 | ||
707 | /* Round to page boundry */ | |
708 | debug->buffer = kmalloc(LPFC_DUMPHOSTSLIM_SIZE, GFP_KERNEL); | |
709 | if (!debug->buffer) { | |
710 | kfree(debug); | |
711 | goto out; | |
712 | } | |
713 | ||
714 | debug->len = lpfc_debugfs_dumpHostSlim_data(phba, debug->buffer, | |
715 | LPFC_DUMPHOSTSLIM_SIZE); | |
a58cbd52 JS |
716 | file->private_data = debug; |
717 | ||
718 | rc = 0; | |
719 | out: | |
720 | return rc; | |
721 | } | |
722 | ||
858c9f6c JS |
723 | static int |
724 | lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file) | |
725 | { | |
726 | struct lpfc_vport *vport = inode->i_private; | |
727 | struct lpfc_debug *debug; | |
728 | int rc = -ENOMEM; | |
729 | ||
730 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
731 | if (!debug) | |
732 | goto out; | |
733 | ||
734 | /* Round to page boundry */ | |
735 | debug->buffer = kmalloc(LPFC_NODELIST_SIZE, GFP_KERNEL); | |
736 | if (!debug->buffer) { | |
737 | kfree(debug); | |
738 | goto out; | |
739 | } | |
740 | ||
741 | debug->len = lpfc_debugfs_nodelist_data(vport, debug->buffer, | |
742 | LPFC_NODELIST_SIZE); | |
743 | file->private_data = debug; | |
744 | ||
745 | rc = 0; | |
746 | out: | |
747 | return rc; | |
748 | } | |
749 | ||
750 | static loff_t | |
751 | lpfc_debugfs_lseek(struct file *file, loff_t off, int whence) | |
752 | { | |
753 | struct lpfc_debug *debug; | |
754 | loff_t pos = -1; | |
755 | ||
756 | debug = file->private_data; | |
757 | ||
758 | switch (whence) { | |
759 | case 0: | |
760 | pos = off; | |
761 | break; | |
762 | case 1: | |
763 | pos = file->f_pos + off; | |
764 | break; | |
765 | case 2: | |
766 | pos = debug->len - off; | |
767 | } | |
768 | return (pos < 0 || pos > debug->len) ? -EINVAL : (file->f_pos = pos); | |
769 | } | |
770 | ||
771 | static ssize_t | |
772 | lpfc_debugfs_read(struct file *file, char __user *buf, | |
773 | size_t nbytes, loff_t *ppos) | |
774 | { | |
775 | struct lpfc_debug *debug = file->private_data; | |
776 | return simple_read_from_buffer(buf, nbytes, ppos, debug->buffer, | |
777 | debug->len); | |
778 | } | |
779 | ||
780 | static int | |
781 | lpfc_debugfs_release(struct inode *inode, struct file *file) | |
782 | { | |
783 | struct lpfc_debug *debug = file->private_data; | |
784 | ||
785 | kfree(debug->buffer); | |
786 | kfree(debug); | |
787 | ||
788 | return 0; | |
789 | } | |
790 | ||
791 | #undef lpfc_debugfs_op_disc_trc | |
792 | static struct file_operations lpfc_debugfs_op_disc_trc = { | |
793 | .owner = THIS_MODULE, | |
794 | .open = lpfc_debugfs_disc_trc_open, | |
795 | .llseek = lpfc_debugfs_lseek, | |
796 | .read = lpfc_debugfs_read, | |
797 | .release = lpfc_debugfs_release, | |
798 | }; | |
799 | ||
800 | #undef lpfc_debugfs_op_nodelist | |
801 | static struct file_operations lpfc_debugfs_op_nodelist = { | |
802 | .owner = THIS_MODULE, | |
803 | .open = lpfc_debugfs_nodelist_open, | |
804 | .llseek = lpfc_debugfs_lseek, | |
805 | .read = lpfc_debugfs_read, | |
806 | .release = lpfc_debugfs_release, | |
807 | }; | |
808 | ||
78b2d852 JS |
809 | #undef lpfc_debugfs_op_hbqinfo |
810 | static struct file_operations lpfc_debugfs_op_hbqinfo = { | |
811 | .owner = THIS_MODULE, | |
812 | .open = lpfc_debugfs_hbqinfo_open, | |
813 | .llseek = lpfc_debugfs_lseek, | |
814 | .read = lpfc_debugfs_read, | |
815 | .release = lpfc_debugfs_release, | |
816 | }; | |
817 | ||
c95d6c6c JS |
818 | #undef lpfc_debugfs_op_dumpHBASlim |
819 | static struct file_operations lpfc_debugfs_op_dumpHBASlim = { | |
820 | .owner = THIS_MODULE, | |
821 | .open = lpfc_debugfs_dumpHBASlim_open, | |
822 | .llseek = lpfc_debugfs_lseek, | |
823 | .read = lpfc_debugfs_read, | |
824 | .release = lpfc_debugfs_release, | |
825 | }; | |
826 | ||
827 | #undef lpfc_debugfs_op_dumpHostSlim | |
828 | static struct file_operations lpfc_debugfs_op_dumpHostSlim = { | |
a58cbd52 | 829 | .owner = THIS_MODULE, |
c95d6c6c | 830 | .open = lpfc_debugfs_dumpHostSlim_open, |
a58cbd52 JS |
831 | .llseek = lpfc_debugfs_lseek, |
832 | .read = lpfc_debugfs_read, | |
833 | .release = lpfc_debugfs_release, | |
834 | }; | |
835 | ||
836 | #undef lpfc_debugfs_op_slow_ring_trc | |
837 | static struct file_operations lpfc_debugfs_op_slow_ring_trc = { | |
838 | .owner = THIS_MODULE, | |
839 | .open = lpfc_debugfs_slow_ring_trc_open, | |
840 | .llseek = lpfc_debugfs_lseek, | |
841 | .read = lpfc_debugfs_read, | |
842 | .release = lpfc_debugfs_release, | |
843 | }; | |
844 | ||
858c9f6c JS |
845 | static struct dentry *lpfc_debugfs_root = NULL; |
846 | static atomic_t lpfc_debugfs_hba_count; | |
847 | #endif | |
848 | ||
849 | inline void | |
850 | lpfc_debugfs_initialize(struct lpfc_vport *vport) | |
851 | { | |
852 | #ifdef CONFIG_LPFC_DEBUG_FS | |
853 | struct lpfc_hba *phba = vport->phba; | |
854 | char name[64]; | |
855 | uint32_t num, i; | |
856 | ||
857 | if (!lpfc_debugfs_enable) | |
858 | return; | |
859 | ||
a58cbd52 | 860 | /* Setup lpfc root directory */ |
858c9f6c JS |
861 | if (!lpfc_debugfs_root) { |
862 | lpfc_debugfs_root = debugfs_create_dir("lpfc", NULL); | |
863 | atomic_set(&lpfc_debugfs_hba_count, 0); | |
a58cbd52 | 864 | if (!lpfc_debugfs_root) { |
e8b62011 JS |
865 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
866 | "0409 Cannot create debugfs root\n"); | |
858c9f6c | 867 | goto debug_failed; |
a58cbd52 | 868 | } |
858c9f6c | 869 | } |
a58cbd52 JS |
870 | if (!lpfc_debugfs_start_time) |
871 | lpfc_debugfs_start_time = jiffies; | |
872 | ||
873 | /* Setup lpfcX directory for specific HBA */ | |
858c9f6c JS |
874 | snprintf(name, sizeof(name), "lpfc%d", phba->brd_no); |
875 | if (!phba->hba_debugfs_root) { | |
876 | phba->hba_debugfs_root = | |
877 | debugfs_create_dir(name, lpfc_debugfs_root); | |
a58cbd52 | 878 | if (!phba->hba_debugfs_root) { |
e8b62011 JS |
879 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
880 | "0409 Cannot create debugfs hba\n"); | |
858c9f6c | 881 | goto debug_failed; |
a58cbd52 | 882 | } |
858c9f6c JS |
883 | atomic_inc(&lpfc_debugfs_hba_count); |
884 | atomic_set(&phba->debugfs_vport_count, 0); | |
a58cbd52 | 885 | |
78b2d852 JS |
886 | /* Setup hbqinfo */ |
887 | snprintf(name, sizeof(name), "hbqinfo"); | |
888 | phba->debug_hbqinfo = | |
889 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
890 | phba->hba_debugfs_root, | |
891 | phba, &lpfc_debugfs_op_hbqinfo); | |
892 | if (!phba->debug_hbqinfo) { | |
893 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
894 | "0409 Cannot create debugfs hbqinfo\n"); | |
895 | goto debug_failed; | |
896 | } | |
897 | ||
c95d6c6c JS |
898 | /* Setup dumpHBASlim */ |
899 | snprintf(name, sizeof(name), "dumpHBASlim"); | |
900 | phba->debug_dumpHBASlim = | |
a58cbd52 JS |
901 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, |
902 | phba->hba_debugfs_root, | |
c95d6c6c JS |
903 | phba, &lpfc_debugfs_op_dumpHBASlim); |
904 | if (!phba->debug_dumpHBASlim) { | |
e8b62011 | 905 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
c95d6c6c JS |
906 | "0409 Cannot create debugfs dumpHBASlim\n"); |
907 | goto debug_failed; | |
908 | } | |
909 | ||
910 | /* Setup dumpHostSlim */ | |
911 | snprintf(name, sizeof(name), "dumpHostSlim"); | |
912 | phba->debug_dumpHostSlim = | |
913 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
914 | phba->hba_debugfs_root, | |
915 | phba, &lpfc_debugfs_op_dumpHostSlim); | |
916 | if (!phba->debug_dumpHostSlim) { | |
917 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
918 | "0409 Cannot create debugfs dumpHostSlim\n"); | |
a58cbd52 JS |
919 | goto debug_failed; |
920 | } | |
921 | ||
922 | /* Setup slow ring trace */ | |
923 | if (lpfc_debugfs_max_slow_ring_trc) { | |
924 | num = lpfc_debugfs_max_slow_ring_trc - 1; | |
925 | if (num & lpfc_debugfs_max_slow_ring_trc) { | |
926 | /* Change to be a power of 2 */ | |
927 | num = lpfc_debugfs_max_slow_ring_trc; | |
928 | i = 0; | |
929 | while (num > 1) { | |
930 | num = num >> 1; | |
931 | i++; | |
932 | } | |
933 | lpfc_debugfs_max_slow_ring_trc = (1 << i); | |
934 | printk(KERN_ERR | |
e8b62011 JS |
935 | "lpfc_debugfs_max_disc_trc changed to " |
936 | "%d\n", lpfc_debugfs_max_disc_trc); | |
a58cbd52 JS |
937 | } |
938 | } | |
939 | ||
940 | ||
941 | snprintf(name, sizeof(name), "slow_ring_trace"); | |
942 | phba->debug_slow_ring_trc = | |
943 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
944 | phba->hba_debugfs_root, | |
945 | phba, &lpfc_debugfs_op_slow_ring_trc); | |
946 | if (!phba->debug_slow_ring_trc) { | |
e8b62011 JS |
947 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
948 | "0409 Cannot create debugfs " | |
949 | "slow_ring_trace\n"); | |
a58cbd52 JS |
950 | goto debug_failed; |
951 | } | |
952 | if (!phba->slow_ring_trc) { | |
953 | phba->slow_ring_trc = kmalloc( | |
954 | (sizeof(struct lpfc_debugfs_trc) * | |
955 | lpfc_debugfs_max_slow_ring_trc), | |
956 | GFP_KERNEL); | |
957 | if (!phba->slow_ring_trc) { | |
e8b62011 JS |
958 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
959 | "0409 Cannot create debugfs " | |
960 | "slow_ring buffer\n"); | |
a58cbd52 JS |
961 | goto debug_failed; |
962 | } | |
963 | atomic_set(&phba->slow_ring_trc_cnt, 0); | |
964 | memset(phba->slow_ring_trc, 0, | |
965 | (sizeof(struct lpfc_debugfs_trc) * | |
966 | lpfc_debugfs_max_slow_ring_trc)); | |
967 | } | |
858c9f6c JS |
968 | } |
969 | ||
970 | snprintf(name, sizeof(name), "vport%d", vport->vpi); | |
971 | if (!vport->vport_debugfs_root) { | |
972 | vport->vport_debugfs_root = | |
973 | debugfs_create_dir(name, phba->hba_debugfs_root); | |
a58cbd52 | 974 | if (!vport->vport_debugfs_root) { |
e8b62011 JS |
975 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
976 | "0409 Cant create debugfs"); | |
858c9f6c | 977 | goto debug_failed; |
a58cbd52 | 978 | } |
858c9f6c JS |
979 | atomic_inc(&phba->debugfs_vport_count); |
980 | } | |
981 | ||
a58cbd52 JS |
982 | if (lpfc_debugfs_max_disc_trc) { |
983 | num = lpfc_debugfs_max_disc_trc - 1; | |
984 | if (num & lpfc_debugfs_max_disc_trc) { | |
985 | /* Change to be a power of 2 */ | |
986 | num = lpfc_debugfs_max_disc_trc; | |
987 | i = 0; | |
988 | while (num > 1) { | |
989 | num = num >> 1; | |
990 | i++; | |
991 | } | |
992 | lpfc_debugfs_max_disc_trc = (1 << i); | |
993 | printk(KERN_ERR | |
e8b62011 JS |
994 | "lpfc_debugfs_max_disc_trc changed to %d\n", |
995 | lpfc_debugfs_max_disc_trc); | |
a58cbd52 JS |
996 | } |
997 | } | |
858c9f6c | 998 | |
ff86ba59 | 999 | vport->disc_trc = kzalloc( |
a58cbd52 | 1000 | (sizeof(struct lpfc_debugfs_trc) * lpfc_debugfs_max_disc_trc), |
858c9f6c JS |
1001 | GFP_KERNEL); |
1002 | ||
a58cbd52 | 1003 | if (!vport->disc_trc) { |
e8b62011 JS |
1004 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
1005 | "0409 Cannot create debugfs disc trace " | |
1006 | "buffer\n"); | |
858c9f6c | 1007 | goto debug_failed; |
a58cbd52 JS |
1008 | } |
1009 | atomic_set(&vport->disc_trc_cnt, 0); | |
858c9f6c JS |
1010 | |
1011 | snprintf(name, sizeof(name), "discovery_trace"); | |
1012 | vport->debug_disc_trc = | |
1013 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
1014 | vport->vport_debugfs_root, | |
1015 | vport, &lpfc_debugfs_op_disc_trc); | |
1016 | if (!vport->debug_disc_trc) { | |
e8b62011 JS |
1017 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
1018 | "0409 Cannot create debugfs " | |
1019 | "discovery_trace\n"); | |
858c9f6c JS |
1020 | goto debug_failed; |
1021 | } | |
1022 | snprintf(name, sizeof(name), "nodelist"); | |
1023 | vport->debug_nodelist = | |
1024 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
1025 | vport->vport_debugfs_root, | |
1026 | vport, &lpfc_debugfs_op_nodelist); | |
1027 | if (!vport->debug_nodelist) { | |
e8b62011 JS |
1028 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
1029 | "0409 Cant create debugfs nodelist"); | |
858c9f6c JS |
1030 | goto debug_failed; |
1031 | } | |
1032 | debug_failed: | |
1033 | return; | |
1034 | #endif | |
1035 | } | |
1036 | ||
1037 | ||
1038 | inline void | |
1039 | lpfc_debugfs_terminate(struct lpfc_vport *vport) | |
1040 | { | |
1041 | #ifdef CONFIG_LPFC_DEBUG_FS | |
1042 | struct lpfc_hba *phba = vport->phba; | |
1043 | ||
1044 | if (vport->disc_trc) { | |
1045 | kfree(vport->disc_trc); | |
1046 | vport->disc_trc = NULL; | |
1047 | } | |
1048 | if (vport->debug_disc_trc) { | |
1049 | debugfs_remove(vport->debug_disc_trc); /* discovery_trace */ | |
1050 | vport->debug_disc_trc = NULL; | |
1051 | } | |
1052 | if (vport->debug_nodelist) { | |
1053 | debugfs_remove(vport->debug_nodelist); /* nodelist */ | |
1054 | vport->debug_nodelist = NULL; | |
1055 | } | |
a58cbd52 | 1056 | |
858c9f6c JS |
1057 | if (vport->vport_debugfs_root) { |
1058 | debugfs_remove(vport->vport_debugfs_root); /* vportX */ | |
1059 | vport->vport_debugfs_root = NULL; | |
1060 | atomic_dec(&phba->debugfs_vport_count); | |
1061 | } | |
1062 | if (atomic_read(&phba->debugfs_vport_count) == 0) { | |
a58cbd52 | 1063 | |
78b2d852 JS |
1064 | if (phba->debug_hbqinfo) { |
1065 | debugfs_remove(phba->debug_hbqinfo); /* hbqinfo */ | |
1066 | phba->debug_hbqinfo = NULL; | |
1067 | } | |
c95d6c6c JS |
1068 | if (phba->debug_dumpHBASlim) { |
1069 | debugfs_remove(phba->debug_dumpHBASlim); /* HBASlim */ | |
1070 | phba->debug_dumpHBASlim = NULL; | |
1071 | } | |
1072 | if (phba->debug_dumpHostSlim) { | |
1073 | debugfs_remove(phba->debug_dumpHostSlim); /* HostSlim */ | |
1074 | phba->debug_dumpHostSlim = NULL; | |
a58cbd52 JS |
1075 | } |
1076 | if (phba->slow_ring_trc) { | |
1077 | kfree(phba->slow_ring_trc); | |
1078 | phba->slow_ring_trc = NULL; | |
1079 | } | |
1080 | if (phba->debug_slow_ring_trc) { | |
1081 | /* slow_ring_trace */ | |
1082 | debugfs_remove(phba->debug_slow_ring_trc); | |
1083 | phba->debug_slow_ring_trc = NULL; | |
1084 | } | |
1085 | ||
1086 | if (phba->hba_debugfs_root) { | |
1087 | debugfs_remove(phba->hba_debugfs_root); /* lpfcX */ | |
1088 | phba->hba_debugfs_root = NULL; | |
1089 | atomic_dec(&lpfc_debugfs_hba_count); | |
1090 | } | |
1091 | ||
858c9f6c JS |
1092 | if (atomic_read(&lpfc_debugfs_hba_count) == 0) { |
1093 | debugfs_remove(lpfc_debugfs_root); /* lpfc */ | |
1094 | lpfc_debugfs_root = NULL; | |
1095 | } | |
1096 | } | |
1097 | #endif | |
a58cbd52 | 1098 | return; |
858c9f6c JS |
1099 | } |
1100 | ||
1101 |