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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. * | |
d85296cf | 4 | * Copyright (C) 2007-2012 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> | |
acf3368f | 23 | #include <linux/module.h> |
858c9f6c JS |
24 | #include <linux/dma-mapping.h> |
25 | #include <linux/idr.h> | |
26 | #include <linux/interrupt.h> | |
27 | #include <linux/kthread.h> | |
5a0e3ad6 | 28 | #include <linux/slab.h> |
858c9f6c JS |
29 | #include <linux/pci.h> |
30 | #include <linux/spinlock.h> | |
31 | #include <linux/ctype.h> | |
858c9f6c JS |
32 | |
33 | #include <scsi/scsi.h> | |
34 | #include <scsi/scsi_device.h> | |
35 | #include <scsi/scsi_host.h> | |
36 | #include <scsi/scsi_transport_fc.h> | |
37 | ||
da0436e9 | 38 | #include "lpfc_hw4.h" |
858c9f6c JS |
39 | #include "lpfc_hw.h" |
40 | #include "lpfc_sli.h" | |
da0436e9 | 41 | #include "lpfc_sli4.h" |
ea2151b4 | 42 | #include "lpfc_nl.h" |
858c9f6c JS |
43 | #include "lpfc_disc.h" |
44 | #include "lpfc_scsi.h" | |
45 | #include "lpfc.h" | |
46 | #include "lpfc_logmsg.h" | |
47 | #include "lpfc_crtn.h" | |
48 | #include "lpfc_vport.h" | |
49 | #include "lpfc_version.h" | |
c95d6c6c | 50 | #include "lpfc_compat.h" |
858c9f6c | 51 | #include "lpfc_debugfs.h" |
b76f2dc9 | 52 | #include "lpfc_bsg.h" |
858c9f6c | 53 | |
923e4b6a | 54 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
3621a710 | 55 | /* |
e59058c4 | 56 | * debugfs interface |
858c9f6c JS |
57 | * |
58 | * To access this interface the user should: | |
156f5a78 | 59 | * # mount -t debugfs none /sys/kernel/debug |
858c9f6c | 60 | * |
e59058c4 | 61 | * The lpfc debugfs directory hierarchy is: |
2a622bfb JS |
62 | * /sys/kernel/debug/lpfc/fnX/vportY |
63 | * where X is the lpfc hba function unique_id | |
858c9f6c JS |
64 | * where Y is the vport VPI on that hba |
65 | * | |
66 | * Debugging services available per vport: | |
67 | * discovery_trace | |
68 | * This is an ACSII readable file that contains a trace of the last | |
69 | * lpfc_debugfs_max_disc_trc events that happened on a specific vport. | |
e59058c4 JS |
70 | * See lpfc_debugfs.h for different categories of discovery events. |
71 | * To enable the discovery trace, the following module parameters must be set: | |
858c9f6c JS |
72 | * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support |
73 | * lpfc_debugfs_max_disc_trc=X Where X is the event trace depth for | |
74 | * EACH vport. X MUST also be a power of 2. | |
75 | * lpfc_debugfs_mask_disc_trc=Y Where Y is an event mask as defined in | |
76 | * lpfc_debugfs.h . | |
e59058c4 JS |
77 | * |
78 | * slow_ring_trace | |
79 | * This is an ACSII readable file that contains a trace of the last | |
80 | * lpfc_debugfs_max_slow_ring_trc events that happened on a specific HBA. | |
81 | * To enable the slow ring trace, the following module parameters must be set: | |
82 | * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support | |
83 | * lpfc_debugfs_max_slow_ring_trc=X Where X is the event trace depth for | |
84 | * the HBA. X MUST also be a power of 2. | |
858c9f6c | 85 | */ |
51ef4c26 | 86 | static int lpfc_debugfs_enable = 1; |
ab56dc2e | 87 | module_param(lpfc_debugfs_enable, int, S_IRUGO); |
858c9f6c JS |
88 | MODULE_PARM_DESC(lpfc_debugfs_enable, "Enable debugfs services"); |
89 | ||
a58cbd52 | 90 | /* This MUST be a power of 2 */ |
c95d6c6c | 91 | static int lpfc_debugfs_max_disc_trc; |
ab56dc2e | 92 | module_param(lpfc_debugfs_max_disc_trc, int, S_IRUGO); |
858c9f6c JS |
93 | MODULE_PARM_DESC(lpfc_debugfs_max_disc_trc, |
94 | "Set debugfs discovery trace depth"); | |
95 | ||
a58cbd52 | 96 | /* This MUST be a power of 2 */ |
c95d6c6c | 97 | static int lpfc_debugfs_max_slow_ring_trc; |
ab56dc2e | 98 | module_param(lpfc_debugfs_max_slow_ring_trc, int, S_IRUGO); |
a58cbd52 JS |
99 | MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc, |
100 | "Set debugfs slow ring trace depth"); | |
101 | ||
a257bf90 | 102 | static int lpfc_debugfs_mask_disc_trc; |
ab56dc2e | 103 | module_param(lpfc_debugfs_mask_disc_trc, int, S_IRUGO); |
858c9f6c JS |
104 | MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc, |
105 | "Set debugfs discovery trace mask"); | |
106 | ||
107 | #include <linux/debugfs.h> | |
108 | ||
311464ec JS |
109 | static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); |
110 | static unsigned long lpfc_debugfs_start_time = 0L; | |
858c9f6c | 111 | |
2a622bfb JS |
112 | /* iDiag */ |
113 | static struct lpfc_idiag idiag; | |
114 | ||
e59058c4 | 115 | /** |
3621a710 | 116 | * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer |
e59058c4 JS |
117 | * @vport: The vport to gather the log info from. |
118 | * @buf: The buffer to dump log into. | |
119 | * @size: The maximum amount of data to process. | |
120 | * | |
121 | * Description: | |
122 | * This routine gathers the lpfc discovery debugfs data from the @vport and | |
123 | * dumps it to @buf up to @size number of bytes. It will start at the next entry | |
124 | * in the log and process the log until the end of the buffer. Then it will | |
125 | * gather from the beginning of the log and process until the current entry. | |
126 | * | |
127 | * Notes: | |
128 | * Discovery logging will be disabled while while this routine dumps the log. | |
129 | * | |
130 | * Return Value: | |
131 | * This routine returns the amount of bytes that were dumped into @buf and will | |
132 | * not exceed @size. | |
133 | **/ | |
858c9f6c JS |
134 | static int |
135 | lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size) | |
136 | { | |
137 | int i, index, len, enable; | |
138 | uint32_t ms; | |
a58cbd52 | 139 | struct lpfc_debugfs_trc *dtp; |
b76f2dc9 JS |
140 | char *buffer; |
141 | ||
142 | buffer = kmalloc(LPFC_DEBUG_TRC_ENTRY_SIZE, GFP_KERNEL); | |
143 | if (!buffer) | |
144 | return 0; | |
858c9f6c | 145 | |
858c9f6c JS |
146 | enable = lpfc_debugfs_enable; |
147 | lpfc_debugfs_enable = 0; | |
148 | ||
149 | len = 0; | |
150 | index = (atomic_read(&vport->disc_trc_cnt) + 1) & | |
151 | (lpfc_debugfs_max_disc_trc - 1); | |
152 | for (i = index; i < lpfc_debugfs_max_disc_trc; i++) { | |
153 | dtp = vport->disc_trc + i; | |
154 | if (!dtp->fmt) | |
155 | continue; | |
156 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); | |
a58cbd52 JS |
157 | snprintf(buffer, |
158 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", | |
858c9f6c JS |
159 | dtp->seq_cnt, ms, dtp->fmt); |
160 | len += snprintf(buf+len, size-len, buffer, | |
161 | dtp->data1, dtp->data2, dtp->data3); | |
162 | } | |
163 | for (i = 0; i < index; 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", | |
170 | dtp->seq_cnt, ms, dtp->fmt); | |
171 | len += snprintf(buf+len, size-len, buffer, | |
172 | dtp->data1, dtp->data2, dtp->data3); | |
173 | } | |
174 | ||
175 | lpfc_debugfs_enable = enable; | |
b76f2dc9 JS |
176 | kfree(buffer); |
177 | ||
a58cbd52 JS |
178 | return len; |
179 | } | |
180 | ||
e59058c4 | 181 | /** |
3621a710 | 182 | * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer |
e59058c4 JS |
183 | * @phba: The HBA to gather the log info from. |
184 | * @buf: The buffer to dump log into. | |
185 | * @size: The maximum amount of data to process. | |
186 | * | |
187 | * Description: | |
188 | * This routine gathers the lpfc slow ring debugfs data from the @phba and | |
189 | * dumps it to @buf up to @size number of bytes. It will start at the next entry | |
190 | * in the log and process the log until the end of the buffer. Then it will | |
191 | * gather from the beginning of the log and process until the current entry. | |
192 | * | |
193 | * Notes: | |
194 | * Slow ring logging will be disabled while while this routine dumps the log. | |
195 | * | |
196 | * Return Value: | |
197 | * This routine returns the amount of bytes that were dumped into @buf and will | |
198 | * not exceed @size. | |
199 | **/ | |
a58cbd52 JS |
200 | static int |
201 | lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size) | |
202 | { | |
203 | int i, index, len, enable; | |
204 | uint32_t ms; | |
205 | struct lpfc_debugfs_trc *dtp; | |
b76f2dc9 | 206 | char *buffer; |
a58cbd52 | 207 | |
b76f2dc9 JS |
208 | buffer = kmalloc(LPFC_DEBUG_TRC_ENTRY_SIZE, GFP_KERNEL); |
209 | if (!buffer) | |
210 | return 0; | |
a58cbd52 JS |
211 | |
212 | enable = lpfc_debugfs_enable; | |
213 | lpfc_debugfs_enable = 0; | |
214 | ||
215 | len = 0; | |
216 | index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) & | |
217 | (lpfc_debugfs_max_slow_ring_trc - 1); | |
218 | for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) { | |
219 | dtp = phba->slow_ring_trc + i; | |
220 | if (!dtp->fmt) | |
221 | continue; | |
222 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); | |
223 | snprintf(buffer, | |
224 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", | |
225 | dtp->seq_cnt, ms, dtp->fmt); | |
226 | len += snprintf(buf+len, size-len, buffer, | |
227 | dtp->data1, dtp->data2, dtp->data3); | |
228 | } | |
229 | for (i = 0; i < index; i++) { | |
230 | dtp = phba->slow_ring_trc + i; | |
231 | if (!dtp->fmt) | |
232 | continue; | |
233 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); | |
234 | snprintf(buffer, | |
235 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", | |
858c9f6c JS |
236 | dtp->seq_cnt, ms, dtp->fmt); |
237 | len += snprintf(buf+len, size-len, buffer, | |
238 | dtp->data1, dtp->data2, dtp->data3); | |
239 | } | |
240 | ||
241 | lpfc_debugfs_enable = enable; | |
b76f2dc9 JS |
242 | kfree(buffer); |
243 | ||
858c9f6c JS |
244 | return len; |
245 | } | |
246 | ||
311464ec | 247 | static int lpfc_debugfs_last_hbq = -1; |
78b2d852 | 248 | |
e59058c4 | 249 | /** |
3621a710 | 250 | * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer |
e59058c4 JS |
251 | * @phba: The HBA to gather host buffer info from. |
252 | * @buf: The buffer to dump log into. | |
253 | * @size: The maximum amount of data to process. | |
254 | * | |
255 | * Description: | |
256 | * This routine dumps the host buffer queue info from the @phba to @buf up to | |
257 | * @size number of bytes. A header that describes the current hbq state will be | |
258 | * dumped to @buf first and then info on each hbq entry will be dumped to @buf | |
259 | * until @size bytes have been dumped or all the hbq info has been dumped. | |
260 | * | |
261 | * Notes: | |
262 | * This routine will rotate through each configured HBQ each time called. | |
263 | * | |
264 | * Return Value: | |
265 | * This routine returns the amount of bytes that were dumped into @buf and will | |
266 | * not exceed @size. | |
267 | **/ | |
78b2d852 JS |
268 | static int |
269 | lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size) | |
270 | { | |
271 | int len = 0; | |
272 | int cnt, i, j, found, posted, low; | |
273 | uint32_t phys, raw_index, getidx; | |
274 | struct lpfc_hbq_init *hip; | |
275 | struct hbq_s *hbqs; | |
276 | struct lpfc_hbq_entry *hbqe; | |
277 | struct lpfc_dmabuf *d_buf; | |
278 | struct hbq_dmabuf *hbq_buf; | |
279 | ||
3772a991 JS |
280 | if (phba->sli_rev != 3) |
281 | return 0; | |
78b2d852 JS |
282 | cnt = LPFC_HBQINFO_SIZE; |
283 | spin_lock_irq(&phba->hbalock); | |
284 | ||
285 | /* toggle between multiple hbqs, if any */ | |
286 | i = lpfc_sli_hbq_count(); | |
287 | if (i > 1) { | |
288 | lpfc_debugfs_last_hbq++; | |
289 | if (lpfc_debugfs_last_hbq >= i) | |
290 | lpfc_debugfs_last_hbq = 0; | |
291 | } | |
292 | else | |
293 | lpfc_debugfs_last_hbq = 0; | |
294 | ||
295 | i = lpfc_debugfs_last_hbq; | |
296 | ||
297 | len += snprintf(buf+len, size-len, "HBQ %d Info\n", i); | |
298 | ||
51ef4c26 | 299 | hbqs = &phba->hbqs[i]; |
78b2d852 | 300 | posted = 0; |
51ef4c26 | 301 | list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) |
78b2d852 JS |
302 | posted++; |
303 | ||
304 | hip = lpfc_hbq_defs[i]; | |
305 | len += snprintf(buf+len, size-len, | |
306 | "idx:%d prof:%d rn:%d bufcnt:%d icnt:%d acnt:%d posted %d\n", | |
307 | hip->hbq_index, hip->profile, hip->rn, | |
308 | hip->buffer_count, hip->init_count, hip->add_count, posted); | |
309 | ||
78b2d852 JS |
310 | raw_index = phba->hbq_get[i]; |
311 | getidx = le32_to_cpu(raw_index); | |
312 | len += snprintf(buf+len, size-len, | |
a8adb832 JS |
313 | "entrys:%d bufcnt:%d Put:%d nPut:%d localGet:%d hbaGet:%d\n", |
314 | hbqs->entry_count, hbqs->buffer_count, hbqs->hbqPutIdx, | |
315 | hbqs->next_hbqPutIdx, hbqs->local_hbqGetIdx, getidx); | |
78b2d852 | 316 | |
51ef4c26 | 317 | hbqe = (struct lpfc_hbq_entry *) phba->hbqs[i].hbq_virt; |
78b2d852 JS |
318 | for (j=0; j<hbqs->entry_count; j++) { |
319 | len += snprintf(buf+len, size-len, | |
320 | "%03d: %08x %04x %05x ", j, | |
a8adb832 JS |
321 | le32_to_cpu(hbqe->bde.addrLow), |
322 | le32_to_cpu(hbqe->bde.tus.w), | |
323 | le32_to_cpu(hbqe->buffer_tag)); | |
78b2d852 JS |
324 | i = 0; |
325 | found = 0; | |
326 | ||
327 | /* First calculate if slot has an associated posted buffer */ | |
328 | low = hbqs->hbqPutIdx - posted; | |
329 | if (low >= 0) { | |
330 | if ((j >= hbqs->hbqPutIdx) || (j < low)) { | |
331 | len += snprintf(buf+len, size-len, "Unused\n"); | |
332 | goto skipit; | |
333 | } | |
334 | } | |
335 | else { | |
336 | if ((j >= hbqs->hbqPutIdx) && | |
337 | (j < (hbqs->entry_count+low))) { | |
338 | len += snprintf(buf+len, size-len, "Unused\n"); | |
339 | goto skipit; | |
340 | } | |
341 | } | |
342 | ||
343 | /* Get the Buffer info for the posted buffer */ | |
51ef4c26 | 344 | list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) { |
78b2d852 JS |
345 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
346 | phys = ((uint64_t)hbq_buf->dbuf.phys & 0xffffffff); | |
a8adb832 | 347 | if (phys == le32_to_cpu(hbqe->bde.addrLow)) { |
78b2d852 JS |
348 | len += snprintf(buf+len, size-len, |
349 | "Buf%d: %p %06x\n", i, | |
350 | hbq_buf->dbuf.virt, hbq_buf->tag); | |
351 | found = 1; | |
352 | break; | |
353 | } | |
354 | i++; | |
355 | } | |
356 | if (!found) { | |
357 | len += snprintf(buf+len, size-len, "No DMAinfo?\n"); | |
358 | } | |
359 | skipit: | |
360 | hbqe++; | |
361 | if (len > LPFC_HBQINFO_SIZE - 54) | |
362 | break; | |
363 | } | |
364 | spin_unlock_irq(&phba->hbalock); | |
365 | return len; | |
366 | } | |
367 | ||
c95d6c6c JS |
368 | static int lpfc_debugfs_last_hba_slim_off; |
369 | ||
e59058c4 | 370 | /** |
3621a710 | 371 | * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer |
e59058c4 JS |
372 | * @phba: The HBA to gather SLIM info from. |
373 | * @buf: The buffer to dump log into. | |
374 | * @size: The maximum amount of data to process. | |
375 | * | |
376 | * Description: | |
377 | * This routine dumps the current contents of HBA SLIM for the HBA associated | |
378 | * with @phba to @buf up to @size bytes of data. This is the raw HBA SLIM data. | |
379 | * | |
380 | * Notes: | |
381 | * This routine will only dump up to 1024 bytes of data each time called and | |
382 | * should be called multiple times to dump the entire HBA SLIM. | |
383 | * | |
384 | * Return Value: | |
385 | * This routine returns the amount of bytes that were dumped into @buf and will | |
386 | * not exceed @size. | |
387 | **/ | |
c95d6c6c JS |
388 | static int |
389 | lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size) | |
390 | { | |
391 | int len = 0; | |
392 | int i, off; | |
393 | uint32_t *ptr; | |
b76f2dc9 JS |
394 | char *buffer; |
395 | ||
396 | buffer = kmalloc(1024, GFP_KERNEL); | |
397 | if (!buffer) | |
398 | return 0; | |
c95d6c6c JS |
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); | |
b76f2dc9 JS |
427 | kfree(buffer); |
428 | ||
c95d6c6c JS |
429 | return len; |
430 | } | |
431 | ||
e59058c4 | 432 | /** |
3621a710 | 433 | * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer |
e59058c4 JS |
434 | * @phba: The HBA to gather Host SLIM info from. |
435 | * @buf: The buffer to dump log into. | |
436 | * @size: The maximum amount of data to process. | |
437 | * | |
438 | * Description: | |
439 | * This routine dumps the current contents of host SLIM for the host associated | |
440 | * with @phba to @buf up to @size bytes of data. The dump will contain the | |
441 | * Mailbox, PCB, Rings, and Registers that are located in host memory. | |
442 | * | |
443 | * Return Value: | |
444 | * This routine returns the amount of bytes that were dumped into @buf and will | |
445 | * not exceed @size. | |
446 | **/ | |
a58cbd52 | 447 | static int |
c95d6c6c | 448 | lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size) |
a58cbd52 JS |
449 | { |
450 | int len = 0; | |
c95d6c6c | 451 | int i, off; |
a58cbd52 JS |
452 | uint32_t word0, word1, word2, word3; |
453 | uint32_t *ptr; | |
454 | struct lpfc_pgp *pgpp; | |
455 | struct lpfc_sli *psli = &phba->sli; | |
456 | struct lpfc_sli_ring *pring; | |
457 | ||
a58cbd52 JS |
458 | off = 0; |
459 | spin_lock_irq(&phba->hbalock); | |
460 | ||
461 | len += snprintf(buf+len, size-len, "SLIM Mailbox\n"); | |
34b02dcd | 462 | ptr = (uint32_t *)phba->slim2p.virt; |
a58cbd52 JS |
463 | i = sizeof(MAILBOX_t); |
464 | while (i > 0) { | |
465 | len += snprintf(buf+len, size-len, | |
466 | "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", | |
467 | off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), | |
468 | *(ptr+5), *(ptr+6), *(ptr+7)); | |
469 | ptr += 8; | |
470 | i -= (8 * sizeof(uint32_t)); | |
471 | off += (8 * sizeof(uint32_t)); | |
472 | } | |
473 | ||
474 | len += snprintf(buf+len, size-len, "SLIM PCB\n"); | |
34b02dcd | 475 | ptr = (uint32_t *)phba->pcb; |
a58cbd52 JS |
476 | i = sizeof(PCB_t); |
477 | while (i > 0) { | |
478 | len += snprintf(buf+len, size-len, | |
479 | "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", | |
480 | off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), | |
481 | *(ptr+5), *(ptr+6), *(ptr+7)); | |
482 | ptr += 8; | |
483 | i -= (8 * sizeof(uint32_t)); | |
484 | off += (8 * sizeof(uint32_t)); | |
485 | } | |
486 | ||
34b02dcd JS |
487 | for (i = 0; i < 4; i++) { |
488 | pgpp = &phba->port_gp[i]; | |
489 | pring = &psli->ring[i]; | |
490 | len += snprintf(buf+len, size-len, | |
491 | "Ring %d: CMD GetInx:%d (Max:%d Next:%d " | |
492 | "Local:%d flg:x%x) RSP PutInx:%d Max:%d\n", | |
7e56aa25 JS |
493 | i, pgpp->cmdGetInx, pring->sli.sli3.numCiocb, |
494 | pring->sli.sli3.next_cmdidx, | |
495 | pring->sli.sli3.local_getidx, | |
496 | pring->flag, pgpp->rspPutInx, | |
497 | pring->sli.sli3.numRiocb); | |
34b02dcd | 498 | } |
3772a991 JS |
499 | |
500 | if (phba->sli_rev <= LPFC_SLI_REV3) { | |
501 | word0 = readl(phba->HAregaddr); | |
502 | word1 = readl(phba->CAregaddr); | |
503 | word2 = readl(phba->HSregaddr); | |
504 | word3 = readl(phba->HCregaddr); | |
505 | len += snprintf(buf+len, size-len, "HA:%08x CA:%08x HS:%08x " | |
506 | "HC:%08x\n", word0, word1, word2, word3); | |
507 | } | |
a58cbd52 JS |
508 | spin_unlock_irq(&phba->hbalock); |
509 | return len; | |
510 | } | |
511 | ||
e59058c4 | 512 | /** |
3621a710 | 513 | * lpfc_debugfs_nodelist_data - Dump target node list to a buffer |
e59058c4 JS |
514 | * @vport: The vport to gather target node info from. |
515 | * @buf: The buffer to dump log into. | |
516 | * @size: The maximum amount of data to process. | |
517 | * | |
518 | * Description: | |
519 | * This routine dumps the current target node list associated with @vport to | |
520 | * @buf up to @size bytes of data. Each node entry in the dump will contain a | |
521 | * node state, DID, WWPN, WWNN, RPI, flags, type, and other useful fields. | |
522 | * | |
523 | * Return Value: | |
524 | * This routine returns the amount of bytes that were dumped into @buf and will | |
525 | * not exceed @size. | |
526 | **/ | |
858c9f6c JS |
527 | static int |
528 | lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size) | |
529 | { | |
530 | int len = 0; | |
531 | int cnt; | |
532 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
533 | struct lpfc_nodelist *ndlp; | |
534 | unsigned char *statep, *name; | |
535 | ||
536 | cnt = (LPFC_NODELIST_SIZE / LPFC_NODELIST_ENTRY_SIZE); | |
537 | ||
538 | spin_lock_irq(shost->host_lock); | |
539 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
540 | if (!cnt) { | |
541 | len += snprintf(buf+len, size-len, | |
542 | "Missing Nodelist Entries\n"); | |
543 | break; | |
544 | } | |
545 | cnt--; | |
546 | switch (ndlp->nlp_state) { | |
547 | case NLP_STE_UNUSED_NODE: | |
548 | statep = "UNUSED"; | |
549 | break; | |
550 | case NLP_STE_PLOGI_ISSUE: | |
551 | statep = "PLOGI "; | |
552 | break; | |
553 | case NLP_STE_ADISC_ISSUE: | |
554 | statep = "ADISC "; | |
555 | break; | |
556 | case NLP_STE_REG_LOGIN_ISSUE: | |
557 | statep = "REGLOG"; | |
558 | break; | |
559 | case NLP_STE_PRLI_ISSUE: | |
560 | statep = "PRLI "; | |
561 | break; | |
086a345f JS |
562 | case NLP_STE_LOGO_ISSUE: |
563 | statep = "LOGO "; | |
564 | break; | |
858c9f6c JS |
565 | case NLP_STE_UNMAPPED_NODE: |
566 | statep = "UNMAP "; | |
567 | break; | |
568 | case NLP_STE_MAPPED_NODE: | |
569 | statep = "MAPPED"; | |
570 | break; | |
571 | case NLP_STE_NPR_NODE: | |
572 | statep = "NPR "; | |
573 | break; | |
574 | default: | |
575 | statep = "UNKNOWN"; | |
576 | } | |
577 | len += snprintf(buf+len, size-len, "%s DID:x%06x ", | |
578 | statep, ndlp->nlp_DID); | |
579 | name = (unsigned char *)&ndlp->nlp_portname; | |
580 | len += snprintf(buf+len, size-len, | |
581 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x ", | |
582 | *name, *(name+1), *(name+2), *(name+3), | |
583 | *(name+4), *(name+5), *(name+6), *(name+7)); | |
584 | name = (unsigned char *)&ndlp->nlp_nodename; | |
585 | len += snprintf(buf+len, size-len, | |
586 | "WWNN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x ", | |
587 | *name, *(name+1), *(name+2), *(name+3), | |
588 | *(name+4), *(name+5), *(name+6), *(name+7)); | |
086a345f JS |
589 | if (ndlp->nlp_flag & NLP_RPI_REGISTERED) |
590 | len += snprintf(buf+len, size-len, "RPI:%03d ", | |
591 | ndlp->nlp_rpi); | |
592 | else | |
593 | len += snprintf(buf+len, size-len, "RPI:none "); | |
594 | len += snprintf(buf+len, size-len, "flag:x%08x ", | |
595 | ndlp->nlp_flag); | |
858c9f6c | 596 | if (!ndlp->nlp_type) |
a58cbd52 | 597 | len += snprintf(buf+len, size-len, "UNKNOWN_TYPE "); |
858c9f6c JS |
598 | if (ndlp->nlp_type & NLP_FC_NODE) |
599 | len += snprintf(buf+len, size-len, "FC_NODE "); | |
600 | if (ndlp->nlp_type & NLP_FABRIC) | |
601 | len += snprintf(buf+len, size-len, "FABRIC "); | |
602 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
603 | len += snprintf(buf+len, size-len, "FCP_TGT sid:%d ", | |
604 | ndlp->nlp_sid); | |
605 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
a58cbd52 | 606 | len += snprintf(buf+len, size-len, "FCP_INITIATOR "); |
58da1ffb JS |
607 | len += snprintf(buf+len, size-len, "usgmap:%x ", |
608 | ndlp->nlp_usg_map); | |
a58cbd52 JS |
609 | len += snprintf(buf+len, size-len, "refcnt:%x", |
610 | atomic_read(&ndlp->kref.refcount)); | |
858c9f6c JS |
611 | len += snprintf(buf+len, size-len, "\n"); |
612 | } | |
613 | spin_unlock_irq(shost->host_lock); | |
614 | return len; | |
615 | } | |
616 | #endif | |
617 | ||
e59058c4 | 618 | /** |
3621a710 | 619 | * lpfc_debugfs_disc_trc - Store discovery trace log |
e59058c4 JS |
620 | * @vport: The vport to associate this trace string with for retrieval. |
621 | * @mask: Log entry classification. | |
622 | * @fmt: Format string to be displayed when dumping the log. | |
623 | * @data1: 1st data parameter to be applied to @fmt. | |
624 | * @data2: 2nd data parameter to be applied to @fmt. | |
625 | * @data3: 3rd data parameter to be applied to @fmt. | |
626 | * | |
627 | * Description: | |
628 | * This routine is used by the driver code to add a debugfs log entry to the | |
629 | * discovery trace buffer associated with @vport. Only entries with a @mask that | |
630 | * match the current debugfs discovery mask will be saved. Entries that do not | |
631 | * match will be thrown away. @fmt, @data1, @data2, and @data3 are used like | |
632 | * printf when displaying the log. | |
633 | **/ | |
858c9f6c JS |
634 | inline void |
635 | lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt, | |
636 | uint32_t data1, uint32_t data2, uint32_t data3) | |
637 | { | |
923e4b6a | 638 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
a58cbd52 | 639 | struct lpfc_debugfs_trc *dtp; |
858c9f6c JS |
640 | int index; |
641 | ||
642 | if (!(lpfc_debugfs_mask_disc_trc & mask)) | |
643 | return; | |
644 | ||
645 | if (!lpfc_debugfs_enable || !lpfc_debugfs_max_disc_trc || | |
646 | !vport || !vport->disc_trc) | |
647 | return; | |
648 | ||
649 | index = atomic_inc_return(&vport->disc_trc_cnt) & | |
650 | (lpfc_debugfs_max_disc_trc - 1); | |
651 | dtp = vport->disc_trc + index; | |
652 | dtp->fmt = fmt; | |
653 | dtp->data1 = data1; | |
654 | dtp->data2 = data2; | |
655 | dtp->data3 = data3; | |
a58cbd52 JS |
656 | dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); |
657 | dtp->jif = jiffies; | |
658 | #endif | |
659 | return; | |
660 | } | |
661 | ||
e59058c4 | 662 | /** |
3621a710 | 663 | * lpfc_debugfs_slow_ring_trc - Store slow ring trace log |
e59058c4 JS |
664 | * @phba: The phba to associate this trace string with for retrieval. |
665 | * @fmt: Format string to be displayed when dumping the log. | |
666 | * @data1: 1st data parameter to be applied to @fmt. | |
667 | * @data2: 2nd data parameter to be applied to @fmt. | |
668 | * @data3: 3rd data parameter to be applied to @fmt. | |
669 | * | |
670 | * Description: | |
671 | * This routine is used by the driver code to add a debugfs log entry to the | |
672 | * discovery trace buffer associated with @vport. @fmt, @data1, @data2, and | |
673 | * @data3 are used like printf when displaying the log. | |
674 | **/ | |
a58cbd52 JS |
675 | inline void |
676 | lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt, | |
677 | uint32_t data1, uint32_t data2, uint32_t data3) | |
678 | { | |
923e4b6a | 679 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
a58cbd52 JS |
680 | struct lpfc_debugfs_trc *dtp; |
681 | int index; | |
682 | ||
683 | if (!lpfc_debugfs_enable || !lpfc_debugfs_max_slow_ring_trc || | |
684 | !phba || !phba->slow_ring_trc) | |
685 | return; | |
686 | ||
687 | index = atomic_inc_return(&phba->slow_ring_trc_cnt) & | |
688 | (lpfc_debugfs_max_slow_ring_trc - 1); | |
689 | dtp = phba->slow_ring_trc + index; | |
690 | dtp->fmt = fmt; | |
691 | dtp->data1 = data1; | |
692 | dtp->data2 = data2; | |
693 | dtp->data3 = data3; | |
694 | dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); | |
858c9f6c JS |
695 | dtp->jif = jiffies; |
696 | #endif | |
697 | return; | |
698 | } | |
699 | ||
923e4b6a | 700 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
e59058c4 | 701 | /** |
3621a710 | 702 | * lpfc_debugfs_disc_trc_open - Open the discovery trace log |
e59058c4 JS |
703 | * @inode: The inode pointer that contains a vport pointer. |
704 | * @file: The file pointer to attach the log output. | |
705 | * | |
706 | * Description: | |
707 | * This routine is the entry point for the debugfs open file operation. It gets | |
708 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
709 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
710 | * returns a pointer to that log in the private_data field in @file. | |
711 | * | |
712 | * Returns: | |
713 | * This function returns zero if successful. On error it will return an negative | |
714 | * error value. | |
715 | **/ | |
858c9f6c JS |
716 | static int |
717 | lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file) | |
718 | { | |
719 | struct lpfc_vport *vport = inode->i_private; | |
720 | struct lpfc_debug *debug; | |
721 | int size; | |
722 | int rc = -ENOMEM; | |
723 | ||
724 | if (!lpfc_debugfs_max_disc_trc) { | |
725 | rc = -ENOSPC; | |
726 | goto out; | |
727 | } | |
728 | ||
729 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
730 | if (!debug) | |
731 | goto out; | |
732 | ||
e59058c4 | 733 | /* Round to page boundary */ |
a58cbd52 | 734 | size = (lpfc_debugfs_max_disc_trc * LPFC_DEBUG_TRC_ENTRY_SIZE); |
858c9f6c JS |
735 | size = PAGE_ALIGN(size); |
736 | ||
737 | debug->buffer = kmalloc(size, GFP_KERNEL); | |
738 | if (!debug->buffer) { | |
739 | kfree(debug); | |
740 | goto out; | |
741 | } | |
742 | ||
743 | debug->len = lpfc_debugfs_disc_trc_data(vport, debug->buffer, size); | |
744 | file->private_data = debug; | |
745 | ||
746 | rc = 0; | |
747 | out: | |
748 | return rc; | |
749 | } | |
750 | ||
e59058c4 | 751 | /** |
3621a710 | 752 | * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log |
e59058c4 JS |
753 | * @inode: The inode pointer that contains a vport pointer. |
754 | * @file: The file pointer to attach the log output. | |
755 | * | |
756 | * Description: | |
757 | * This routine is the entry point for the debugfs open file operation. It gets | |
758 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
759 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
760 | * returns a pointer to that log in the private_data field in @file. | |
761 | * | |
762 | * Returns: | |
763 | * This function returns zero if successful. On error it will return an negative | |
764 | * error value. | |
765 | **/ | |
a58cbd52 JS |
766 | static int |
767 | lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file) | |
768 | { | |
769 | struct lpfc_hba *phba = inode->i_private; | |
770 | struct lpfc_debug *debug; | |
771 | int size; | |
772 | int rc = -ENOMEM; | |
773 | ||
774 | if (!lpfc_debugfs_max_slow_ring_trc) { | |
775 | rc = -ENOSPC; | |
776 | goto out; | |
777 | } | |
778 | ||
779 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
780 | if (!debug) | |
781 | goto out; | |
782 | ||
e59058c4 | 783 | /* Round to page boundary */ |
a58cbd52 JS |
784 | size = (lpfc_debugfs_max_slow_ring_trc * LPFC_DEBUG_TRC_ENTRY_SIZE); |
785 | size = PAGE_ALIGN(size); | |
786 | ||
787 | debug->buffer = kmalloc(size, GFP_KERNEL); | |
788 | if (!debug->buffer) { | |
789 | kfree(debug); | |
790 | goto out; | |
791 | } | |
792 | ||
793 | debug->len = lpfc_debugfs_slow_ring_trc_data(phba, debug->buffer, size); | |
794 | file->private_data = debug; | |
795 | ||
796 | rc = 0; | |
797 | out: | |
798 | return rc; | |
799 | } | |
800 | ||
e59058c4 | 801 | /** |
3621a710 | 802 | * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer |
e59058c4 JS |
803 | * @inode: The inode pointer that contains a vport pointer. |
804 | * @file: The file pointer to attach the log output. | |
805 | * | |
806 | * Description: | |
807 | * This routine is the entry point for the debugfs open file operation. It gets | |
808 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
809 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
810 | * returns a pointer to that log in the private_data field in @file. | |
811 | * | |
812 | * Returns: | |
813 | * This function returns zero if successful. On error it will return an negative | |
814 | * error value. | |
815 | **/ | |
78b2d852 JS |
816 | static int |
817 | lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file) | |
818 | { | |
819 | struct lpfc_hba *phba = inode->i_private; | |
820 | struct lpfc_debug *debug; | |
821 | int rc = -ENOMEM; | |
822 | ||
823 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
824 | if (!debug) | |
825 | goto out; | |
826 | ||
e59058c4 | 827 | /* Round to page boundary */ |
78b2d852 JS |
828 | debug->buffer = kmalloc(LPFC_HBQINFO_SIZE, GFP_KERNEL); |
829 | if (!debug->buffer) { | |
830 | kfree(debug); | |
831 | goto out; | |
832 | } | |
833 | ||
834 | debug->len = lpfc_debugfs_hbqinfo_data(phba, debug->buffer, | |
835 | LPFC_HBQINFO_SIZE); | |
836 | file->private_data = debug; | |
837 | ||
838 | rc = 0; | |
839 | out: | |
840 | return rc; | |
841 | } | |
842 | ||
e59058c4 | 843 | /** |
3621a710 | 844 | * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer |
e59058c4 JS |
845 | * @inode: The inode pointer that contains a vport pointer. |
846 | * @file: The file pointer to attach the log output. | |
847 | * | |
848 | * Description: | |
849 | * This routine is the entry point for the debugfs open file operation. It gets | |
850 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
851 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
852 | * returns a pointer to that log in the private_data field in @file. | |
853 | * | |
854 | * Returns: | |
855 | * This function returns zero if successful. On error it will return an negative | |
856 | * error value. | |
857 | **/ | |
a58cbd52 | 858 | static int |
c95d6c6c | 859 | lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file) |
a58cbd52 JS |
860 | { |
861 | struct lpfc_hba *phba = inode->i_private; | |
862 | struct lpfc_debug *debug; | |
863 | int rc = -ENOMEM; | |
864 | ||
865 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
866 | if (!debug) | |
867 | goto out; | |
868 | ||
e59058c4 | 869 | /* Round to page boundary */ |
c95d6c6c | 870 | debug->buffer = kmalloc(LPFC_DUMPHBASLIM_SIZE, GFP_KERNEL); |
a58cbd52 JS |
871 | if (!debug->buffer) { |
872 | kfree(debug); | |
873 | goto out; | |
874 | } | |
875 | ||
c95d6c6c JS |
876 | debug->len = lpfc_debugfs_dumpHBASlim_data(phba, debug->buffer, |
877 | LPFC_DUMPHBASLIM_SIZE); | |
878 | file->private_data = debug; | |
879 | ||
880 | rc = 0; | |
881 | out: | |
882 | return rc; | |
883 | } | |
884 | ||
e59058c4 | 885 | /** |
3621a710 | 886 | * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer |
e59058c4 JS |
887 | * @inode: The inode pointer that contains a vport pointer. |
888 | * @file: The file pointer to attach the log output. | |
889 | * | |
890 | * Description: | |
891 | * This routine is the entry point for the debugfs open file operation. It gets | |
892 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
893 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
894 | * returns a pointer to that log in the private_data field in @file. | |
895 | * | |
896 | * Returns: | |
897 | * This function returns zero if successful. On error it will return an negative | |
898 | * error value. | |
899 | **/ | |
c95d6c6c JS |
900 | static int |
901 | lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file) | |
902 | { | |
903 | struct lpfc_hba *phba = inode->i_private; | |
904 | struct lpfc_debug *debug; | |
905 | int rc = -ENOMEM; | |
906 | ||
907 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
908 | if (!debug) | |
909 | goto out; | |
910 | ||
e59058c4 | 911 | /* Round to page boundary */ |
c95d6c6c JS |
912 | debug->buffer = kmalloc(LPFC_DUMPHOSTSLIM_SIZE, GFP_KERNEL); |
913 | if (!debug->buffer) { | |
914 | kfree(debug); | |
915 | goto out; | |
916 | } | |
917 | ||
918 | debug->len = lpfc_debugfs_dumpHostSlim_data(phba, debug->buffer, | |
919 | LPFC_DUMPHOSTSLIM_SIZE); | |
a58cbd52 JS |
920 | file->private_data = debug; |
921 | ||
922 | rc = 0; | |
923 | out: | |
924 | return rc; | |
925 | } | |
926 | ||
e2a0a9d6 JS |
927 | static int |
928 | lpfc_debugfs_dumpData_open(struct inode *inode, struct file *file) | |
929 | { | |
930 | struct lpfc_debug *debug; | |
931 | int rc = -ENOMEM; | |
932 | ||
933 | if (!_dump_buf_data) | |
934 | return -EBUSY; | |
935 | ||
936 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
937 | if (!debug) | |
938 | goto out; | |
939 | ||
25985edc | 940 | /* Round to page boundary */ |
6a9c52cf | 941 | printk(KERN_ERR "9059 BLKGRD: %s: _dump_buf_data=0x%p\n", |
e2a0a9d6 JS |
942 | __func__, _dump_buf_data); |
943 | debug->buffer = _dump_buf_data; | |
944 | if (!debug->buffer) { | |
945 | kfree(debug); | |
946 | goto out; | |
947 | } | |
948 | ||
949 | debug->len = (1 << _dump_buf_data_order) << PAGE_SHIFT; | |
950 | file->private_data = debug; | |
951 | ||
952 | rc = 0; | |
953 | out: | |
954 | return rc; | |
955 | } | |
956 | ||
957 | static int | |
958 | lpfc_debugfs_dumpDif_open(struct inode *inode, struct file *file) | |
959 | { | |
960 | struct lpfc_debug *debug; | |
961 | int rc = -ENOMEM; | |
962 | ||
963 | if (!_dump_buf_dif) | |
964 | return -EBUSY; | |
965 | ||
966 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
967 | if (!debug) | |
968 | goto out; | |
969 | ||
25985edc | 970 | /* Round to page boundary */ |
6a9c52cf JS |
971 | printk(KERN_ERR "9060 BLKGRD: %s: _dump_buf_dif=0x%p file=%s\n", |
972 | __func__, _dump_buf_dif, file->f_dentry->d_name.name); | |
e2a0a9d6 JS |
973 | debug->buffer = _dump_buf_dif; |
974 | if (!debug->buffer) { | |
975 | kfree(debug); | |
976 | goto out; | |
977 | } | |
978 | ||
979 | debug->len = (1 << _dump_buf_dif_order) << PAGE_SHIFT; | |
980 | file->private_data = debug; | |
981 | ||
982 | rc = 0; | |
983 | out: | |
984 | return rc; | |
985 | } | |
986 | ||
987 | static ssize_t | |
988 | lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf, | |
989 | size_t nbytes, loff_t *ppos) | |
990 | { | |
991 | /* | |
992 | * The Data/DIF buffers only save one failing IO | |
993 | * The write op is used as a reset mechanism after an IO has | |
994 | * already been saved to the next one can be saved | |
995 | */ | |
996 | spin_lock(&_dump_buf_lock); | |
997 | ||
998 | memset((void *)_dump_buf_data, 0, | |
999 | ((1 << PAGE_SHIFT) << _dump_buf_data_order)); | |
1000 | memset((void *)_dump_buf_dif, 0, | |
1001 | ((1 << PAGE_SHIFT) << _dump_buf_dif_order)); | |
1002 | ||
1003 | _dump_buf_done = 0; | |
1004 | ||
1005 | spin_unlock(&_dump_buf_lock); | |
1006 | ||
1007 | return nbytes; | |
1008 | } | |
1009 | ||
f9bb2da1 JS |
1010 | static ssize_t |
1011 | lpfc_debugfs_dif_err_read(struct file *file, char __user *buf, | |
1012 | size_t nbytes, loff_t *ppos) | |
1013 | { | |
1014 | struct dentry *dent = file->f_dentry; | |
1015 | struct lpfc_hba *phba = file->private_data; | |
9a6b09c0 | 1016 | char cbuf[32]; |
4ac9b226 | 1017 | uint64_t tmp = 0; |
f9bb2da1 JS |
1018 | int cnt = 0; |
1019 | ||
1020 | if (dent == phba->debug_writeGuard) | |
9a6b09c0 | 1021 | cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wgrd_cnt); |
f9bb2da1 | 1022 | else if (dent == phba->debug_writeApp) |
9a6b09c0 | 1023 | cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wapp_cnt); |
f9bb2da1 | 1024 | else if (dent == phba->debug_writeRef) |
9a6b09c0 | 1025 | cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wref_cnt); |
acd6859b | 1026 | else if (dent == phba->debug_readGuard) |
9a6b09c0 | 1027 | cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rgrd_cnt); |
f9bb2da1 | 1028 | else if (dent == phba->debug_readApp) |
9a6b09c0 | 1029 | cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rapp_cnt); |
f9bb2da1 | 1030 | else if (dent == phba->debug_readRef) |
9a6b09c0 | 1031 | cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rref_cnt); |
4ac9b226 JS |
1032 | else if (dent == phba->debug_InjErrNPortID) |
1033 | cnt = snprintf(cbuf, 32, "0x%06x\n", phba->lpfc_injerr_nportid); | |
1034 | else if (dent == phba->debug_InjErrWWPN) { | |
1035 | memcpy(&tmp, &phba->lpfc_injerr_wwpn, sizeof(struct lpfc_name)); | |
1036 | tmp = cpu_to_be64(tmp); | |
1037 | cnt = snprintf(cbuf, 32, "0x%016llx\n", tmp); | |
1038 | } else if (dent == phba->debug_InjErrLBA) { | |
1039 | if (phba->lpfc_injerr_lba == (sector_t)(-1)) | |
9a6b09c0 JS |
1040 | cnt = snprintf(cbuf, 32, "off\n"); |
1041 | else | |
4ac9b226 JS |
1042 | cnt = snprintf(cbuf, 32, "0x%llx\n", |
1043 | (uint64_t) phba->lpfc_injerr_lba); | |
9a6b09c0 | 1044 | } else |
f9bb2da1 JS |
1045 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
1046 | "0547 Unknown debugfs error injection entry\n"); | |
1047 | ||
1048 | return simple_read_from_buffer(buf, nbytes, ppos, &cbuf, cnt); | |
1049 | } | |
1050 | ||
1051 | static ssize_t | |
1052 | lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf, | |
1053 | size_t nbytes, loff_t *ppos) | |
1054 | { | |
1055 | struct dentry *dent = file->f_dentry; | |
1056 | struct lpfc_hba *phba = file->private_data; | |
1057 | char dstbuf[32]; | |
4ac9b226 | 1058 | uint64_t tmp = 0; |
f9bb2da1 JS |
1059 | int size; |
1060 | ||
1061 | memset(dstbuf, 0, 32); | |
1062 | size = (nbytes < 32) ? nbytes : 32; | |
1063 | if (copy_from_user(dstbuf, buf, size)) | |
1064 | return 0; | |
1065 | ||
9a6b09c0 JS |
1066 | if (dent == phba->debug_InjErrLBA) { |
1067 | if ((buf[0] == 'o') && (buf[1] == 'f') && (buf[2] == 'f')) | |
4ac9b226 | 1068 | tmp = (uint64_t)(-1); |
9a6b09c0 JS |
1069 | } |
1070 | ||
4ac9b226 | 1071 | if ((tmp == 0) && (kstrtoull(dstbuf, 0, &tmp))) |
f9bb2da1 JS |
1072 | return 0; |
1073 | ||
1074 | if (dent == phba->debug_writeGuard) | |
1075 | phba->lpfc_injerr_wgrd_cnt = (uint32_t)tmp; | |
1076 | else if (dent == phba->debug_writeApp) | |
1077 | phba->lpfc_injerr_wapp_cnt = (uint32_t)tmp; | |
1078 | else if (dent == phba->debug_writeRef) | |
1079 | phba->lpfc_injerr_wref_cnt = (uint32_t)tmp; | |
acd6859b JS |
1080 | else if (dent == phba->debug_readGuard) |
1081 | phba->lpfc_injerr_rgrd_cnt = (uint32_t)tmp; | |
f9bb2da1 JS |
1082 | else if (dent == phba->debug_readApp) |
1083 | phba->lpfc_injerr_rapp_cnt = (uint32_t)tmp; | |
1084 | else if (dent == phba->debug_readRef) | |
1085 | phba->lpfc_injerr_rref_cnt = (uint32_t)tmp; | |
1086 | else if (dent == phba->debug_InjErrLBA) | |
1087 | phba->lpfc_injerr_lba = (sector_t)tmp; | |
4ac9b226 JS |
1088 | else if (dent == phba->debug_InjErrNPortID) |
1089 | phba->lpfc_injerr_nportid = (uint32_t)(tmp & Mask_DID); | |
1090 | else if (dent == phba->debug_InjErrWWPN) { | |
1091 | tmp = cpu_to_be64(tmp); | |
1092 | memcpy(&phba->lpfc_injerr_wwpn, &tmp, sizeof(struct lpfc_name)); | |
1093 | } else | |
f9bb2da1 JS |
1094 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
1095 | "0548 Unknown debugfs error injection entry\n"); | |
1096 | ||
1097 | return nbytes; | |
1098 | } | |
1099 | ||
1100 | static int | |
1101 | lpfc_debugfs_dif_err_release(struct inode *inode, struct file *file) | |
1102 | { | |
1103 | return 0; | |
1104 | } | |
1105 | ||
e59058c4 | 1106 | /** |
3621a710 | 1107 | * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file |
e59058c4 JS |
1108 | * @inode: The inode pointer that contains a vport pointer. |
1109 | * @file: The file pointer to attach the log output. | |
1110 | * | |
1111 | * Description: | |
1112 | * This routine is the entry point for the debugfs open file operation. It gets | |
1113 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
1114 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
1115 | * returns a pointer to that log in the private_data field in @file. | |
1116 | * | |
1117 | * Returns: | |
1118 | * This function returns zero if successful. On error it will return an negative | |
1119 | * error value. | |
1120 | **/ | |
858c9f6c JS |
1121 | static int |
1122 | lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file) | |
1123 | { | |
1124 | struct lpfc_vport *vport = inode->i_private; | |
1125 | struct lpfc_debug *debug; | |
1126 | int rc = -ENOMEM; | |
1127 | ||
1128 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1129 | if (!debug) | |
1130 | goto out; | |
1131 | ||
e59058c4 | 1132 | /* Round to page boundary */ |
858c9f6c JS |
1133 | debug->buffer = kmalloc(LPFC_NODELIST_SIZE, GFP_KERNEL); |
1134 | if (!debug->buffer) { | |
1135 | kfree(debug); | |
1136 | goto out; | |
1137 | } | |
1138 | ||
1139 | debug->len = lpfc_debugfs_nodelist_data(vport, debug->buffer, | |
1140 | LPFC_NODELIST_SIZE); | |
1141 | file->private_data = debug; | |
1142 | ||
1143 | rc = 0; | |
1144 | out: | |
1145 | return rc; | |
1146 | } | |
1147 | ||
e59058c4 | 1148 | /** |
3621a710 | 1149 | * lpfc_debugfs_lseek - Seek through a debugfs file |
e59058c4 JS |
1150 | * @file: The file pointer to seek through. |
1151 | * @off: The offset to seek to or the amount to seek by. | |
1152 | * @whence: Indicates how to seek. | |
1153 | * | |
1154 | * Description: | |
1155 | * This routine is the entry point for the debugfs lseek file operation. The | |
1156 | * @whence parameter indicates whether @off is the offset to directly seek to, | |
1157 | * or if it is a value to seek forward or reverse by. This function figures out | |
1158 | * what the new offset of the debugfs file will be and assigns that value to the | |
1159 | * f_pos field of @file. | |
1160 | * | |
1161 | * Returns: | |
1162 | * This function returns the new offset if successful and returns a negative | |
1163 | * error if unable to process the seek. | |
1164 | **/ | |
858c9f6c JS |
1165 | static loff_t |
1166 | lpfc_debugfs_lseek(struct file *file, loff_t off, int whence) | |
1167 | { | |
7233c774 AV |
1168 | struct lpfc_debug *debug = file->private_data; |
1169 | return fixed_size_llseek(file, off, whence, debug->len); | |
858c9f6c JS |
1170 | } |
1171 | ||
e59058c4 | 1172 | /** |
3621a710 | 1173 | * lpfc_debugfs_read - Read a debugfs file |
e59058c4 JS |
1174 | * @file: The file pointer to read from. |
1175 | * @buf: The buffer to copy the data to. | |
1176 | * @nbytes: The number of bytes to read. | |
1177 | * @ppos: The position in the file to start reading from. | |
1178 | * | |
1179 | * Description: | |
1180 | * This routine reads data from from the buffer indicated in the private_data | |
1181 | * field of @file. It will start reading at @ppos and copy up to @nbytes of | |
1182 | * data to @buf. | |
1183 | * | |
1184 | * Returns: | |
1185 | * This function returns the amount of data that was read (this could be less | |
1186 | * than @nbytes if the end of the file was reached) or a negative error value. | |
1187 | **/ | |
858c9f6c JS |
1188 | static ssize_t |
1189 | lpfc_debugfs_read(struct file *file, char __user *buf, | |
1190 | size_t nbytes, loff_t *ppos) | |
1191 | { | |
1192 | struct lpfc_debug *debug = file->private_data; | |
2a622bfb | 1193 | |
858c9f6c JS |
1194 | return simple_read_from_buffer(buf, nbytes, ppos, debug->buffer, |
1195 | debug->len); | |
1196 | } | |
1197 | ||
e59058c4 | 1198 | /** |
3621a710 | 1199 | * lpfc_debugfs_release - Release the buffer used to store debugfs file data |
e59058c4 JS |
1200 | * @inode: The inode pointer that contains a vport pointer. (unused) |
1201 | * @file: The file pointer that contains the buffer to release. | |
1202 | * | |
1203 | * Description: | |
1204 | * This routine frees the buffer that was allocated when the debugfs file was | |
1205 | * opened. | |
1206 | * | |
1207 | * Returns: | |
1208 | * This function returns zero. | |
1209 | **/ | |
858c9f6c JS |
1210 | static int |
1211 | lpfc_debugfs_release(struct inode *inode, struct file *file) | |
1212 | { | |
1213 | struct lpfc_debug *debug = file->private_data; | |
1214 | ||
1215 | kfree(debug->buffer); | |
1216 | kfree(debug); | |
1217 | ||
1218 | return 0; | |
1219 | } | |
1220 | ||
e2a0a9d6 JS |
1221 | static int |
1222 | lpfc_debugfs_dumpDataDif_release(struct inode *inode, struct file *file) | |
1223 | { | |
1224 | struct lpfc_debug *debug = file->private_data; | |
1225 | ||
1226 | debug->buffer = NULL; | |
1227 | kfree(debug); | |
1228 | ||
1229 | return 0; | |
1230 | } | |
1231 | ||
2a622bfb | 1232 | /* |
86a80846 | 1233 | * --------------------------------- |
2a622bfb | 1234 | * iDiag debugfs file access methods |
86a80846 | 1235 | * --------------------------------- |
2a622bfb | 1236 | * |
86a80846 JS |
1237 | * All access methods are through the proper SLI4 PCI function's debugfs |
1238 | * iDiag directory: | |
2a622bfb | 1239 | * |
86a80846 | 1240 | * /sys/kernel/debug/lpfc/fn<#>/iDiag |
2a622bfb JS |
1241 | */ |
1242 | ||
1243 | /** | |
1244 | * lpfc_idiag_cmd_get - Get and parse idiag debugfs comands from user space | |
1245 | * @buf: The pointer to the user space buffer. | |
1246 | * @nbytes: The number of bytes in the user space buffer. | |
1247 | * @idiag_cmd: pointer to the idiag command struct. | |
1248 | * | |
1249 | * This routine reads data from debugfs user space buffer and parses the | |
1250 | * buffer for getting the idiag command and arguments. The while space in | |
1251 | * between the set of data is used as the parsing separator. | |
1252 | * | |
1253 | * This routine returns 0 when successful, it returns proper error code | |
1254 | * back to the user space in error conditions. | |
1255 | */ | |
1256 | static int lpfc_idiag_cmd_get(const char __user *buf, size_t nbytes, | |
1257 | struct lpfc_idiag_cmd *idiag_cmd) | |
1258 | { | |
1259 | char mybuf[64]; | |
1260 | char *pbuf, *step_str; | |
b11d48e8 SB |
1261 | int i; |
1262 | size_t bsize; | |
2a622bfb JS |
1263 | |
1264 | /* Protect copy from user */ | |
1265 | if (!access_ok(VERIFY_READ, buf, nbytes)) | |
1266 | return -EFAULT; | |
1267 | ||
1268 | memset(mybuf, 0, sizeof(mybuf)); | |
1269 | memset(idiag_cmd, 0, sizeof(*idiag_cmd)); | |
1270 | bsize = min(nbytes, (sizeof(mybuf)-1)); | |
1271 | ||
1272 | if (copy_from_user(mybuf, buf, bsize)) | |
1273 | return -EFAULT; | |
1274 | pbuf = &mybuf[0]; | |
1275 | step_str = strsep(&pbuf, "\t "); | |
1276 | ||
1277 | /* The opcode must present */ | |
1278 | if (!step_str) | |
1279 | return -EINVAL; | |
1280 | ||
1281 | idiag_cmd->opcode = simple_strtol(step_str, NULL, 0); | |
1282 | if (idiag_cmd->opcode == 0) | |
1283 | return -EINVAL; | |
1284 | ||
1285 | for (i = 0; i < LPFC_IDIAG_CMD_DATA_SIZE; i++) { | |
1286 | step_str = strsep(&pbuf, "\t "); | |
1287 | if (!step_str) | |
86a80846 | 1288 | return i; |
2a622bfb JS |
1289 | idiag_cmd->data[i] = simple_strtol(step_str, NULL, 0); |
1290 | } | |
86a80846 | 1291 | return i; |
2a622bfb JS |
1292 | } |
1293 | ||
1294 | /** | |
1295 | * lpfc_idiag_open - idiag open debugfs | |
1296 | * @inode: The inode pointer that contains a pointer to phba. | |
1297 | * @file: The file pointer to attach the file operation. | |
1298 | * | |
1299 | * Description: | |
1300 | * This routine is the entry point for the debugfs open file operation. It | |
1301 | * gets the reference to phba from the i_private field in @inode, it then | |
1302 | * allocates buffer for the file operation, performs the necessary PCI config | |
1303 | * space read into the allocated buffer according to the idiag user command | |
1304 | * setup, and then returns a pointer to buffer in the private_data field in | |
1305 | * @file. | |
1306 | * | |
1307 | * Returns: | |
1308 | * This function returns zero if successful. On error it will return an | |
1309 | * negative error value. | |
1310 | **/ | |
1311 | static int | |
1312 | lpfc_idiag_open(struct inode *inode, struct file *file) | |
1313 | { | |
1314 | struct lpfc_debug *debug; | |
1315 | ||
1316 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1317 | if (!debug) | |
1318 | return -ENOMEM; | |
1319 | ||
1320 | debug->i_private = inode->i_private; | |
1321 | debug->buffer = NULL; | |
1322 | file->private_data = debug; | |
1323 | ||
1324 | return 0; | |
1325 | } | |
1326 | ||
1327 | /** | |
1328 | * lpfc_idiag_release - Release idiag access file operation | |
1329 | * @inode: The inode pointer that contains a vport pointer. (unused) | |
1330 | * @file: The file pointer that contains the buffer to release. | |
1331 | * | |
1332 | * Description: | |
1333 | * This routine is the generic release routine for the idiag access file | |
1334 | * operation, it frees the buffer that was allocated when the debugfs file | |
1335 | * was opened. | |
1336 | * | |
1337 | * Returns: | |
1338 | * This function returns zero. | |
1339 | **/ | |
1340 | static int | |
1341 | lpfc_idiag_release(struct inode *inode, struct file *file) | |
1342 | { | |
1343 | struct lpfc_debug *debug = file->private_data; | |
1344 | ||
1345 | /* Free the buffers to the file operation */ | |
1346 | kfree(debug->buffer); | |
1347 | kfree(debug); | |
1348 | ||
1349 | return 0; | |
1350 | } | |
1351 | ||
1352 | /** | |
1353 | * lpfc_idiag_cmd_release - Release idiag cmd access file operation | |
1354 | * @inode: The inode pointer that contains a vport pointer. (unused) | |
1355 | * @file: The file pointer that contains the buffer to release. | |
1356 | * | |
1357 | * Description: | |
1358 | * This routine frees the buffer that was allocated when the debugfs file | |
1359 | * was opened. It also reset the fields in the idiag command struct in the | |
86a80846 | 1360 | * case of command for write operation. |
2a622bfb JS |
1361 | * |
1362 | * Returns: | |
1363 | * This function returns zero. | |
1364 | **/ | |
1365 | static int | |
1366 | lpfc_idiag_cmd_release(struct inode *inode, struct file *file) | |
1367 | { | |
1368 | struct lpfc_debug *debug = file->private_data; | |
1369 | ||
86a80846 JS |
1370 | if (debug->op == LPFC_IDIAG_OP_WR) { |
1371 | switch (idiag.cmd.opcode) { | |
1372 | case LPFC_IDIAG_CMD_PCICFG_WR: | |
1373 | case LPFC_IDIAG_CMD_PCICFG_ST: | |
1374 | case LPFC_IDIAG_CMD_PCICFG_CL: | |
1375 | case LPFC_IDIAG_CMD_QUEACC_WR: | |
1376 | case LPFC_IDIAG_CMD_QUEACC_ST: | |
1377 | case LPFC_IDIAG_CMD_QUEACC_CL: | |
2a622bfb | 1378 | memset(&idiag, 0, sizeof(idiag)); |
86a80846 JS |
1379 | break; |
1380 | default: | |
1381 | break; | |
1382 | } | |
1383 | } | |
2a622bfb JS |
1384 | |
1385 | /* Free the buffers to the file operation */ | |
1386 | kfree(debug->buffer); | |
1387 | kfree(debug); | |
1388 | ||
1389 | return 0; | |
1390 | } | |
1391 | ||
1392 | /** | |
1393 | * lpfc_idiag_pcicfg_read - idiag debugfs read pcicfg | |
1394 | * @file: The file pointer to read from. | |
1395 | * @buf: The buffer to copy the data to. | |
1396 | * @nbytes: The number of bytes to read. | |
1397 | * @ppos: The position in the file to start reading from. | |
1398 | * | |
1399 | * Description: | |
1400 | * This routine reads data from the @phba pci config space according to the | |
1401 | * idiag command, and copies to user @buf. Depending on the PCI config space | |
1402 | * read command setup, it does either a single register read of a byte | |
1403 | * (8 bits), a word (16 bits), or a dword (32 bits) or browsing through all | |
1404 | * registers from the 4K extended PCI config space. | |
1405 | * | |
1406 | * Returns: | |
1407 | * This function returns the amount of data that was read (this could be less | |
1408 | * than @nbytes if the end of the file was reached) or a negative error value. | |
1409 | **/ | |
1410 | static ssize_t | |
1411 | lpfc_idiag_pcicfg_read(struct file *file, char __user *buf, size_t nbytes, | |
1412 | loff_t *ppos) | |
1413 | { | |
1414 | struct lpfc_debug *debug = file->private_data; | |
1415 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
1416 | int offset_label, offset, len = 0, index = LPFC_PCI_CFG_RD_SIZE; | |
1417 | int where, count; | |
1418 | char *pbuffer; | |
1419 | struct pci_dev *pdev; | |
1420 | uint32_t u32val; | |
1421 | uint16_t u16val; | |
1422 | uint8_t u8val; | |
1423 | ||
1424 | pdev = phba->pcidev; | |
1425 | if (!pdev) | |
1426 | return 0; | |
1427 | ||
1428 | /* This is a user read operation */ | |
1429 | debug->op = LPFC_IDIAG_OP_RD; | |
1430 | ||
1431 | if (!debug->buffer) | |
1432 | debug->buffer = kmalloc(LPFC_PCI_CFG_SIZE, GFP_KERNEL); | |
1433 | if (!debug->buffer) | |
1434 | return 0; | |
1435 | pbuffer = debug->buffer; | |
1436 | ||
1437 | if (*ppos) | |
1438 | return 0; | |
1439 | ||
1440 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) { | |
b76f2dc9 JS |
1441 | where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX]; |
1442 | count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX]; | |
2a622bfb JS |
1443 | } else |
1444 | return 0; | |
1445 | ||
1446 | /* Read single PCI config space register */ | |
1447 | switch (count) { | |
1448 | case SIZE_U8: /* byte (8 bits) */ | |
1449 | pci_read_config_byte(pdev, where, &u8val); | |
1450 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
1451 | "%03x: %02x\n", where, u8val); | |
1452 | break; | |
1453 | case SIZE_U16: /* word (16 bits) */ | |
1454 | pci_read_config_word(pdev, where, &u16val); | |
1455 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
1456 | "%03x: %04x\n", where, u16val); | |
1457 | break; | |
1458 | case SIZE_U32: /* double word (32 bits) */ | |
1459 | pci_read_config_dword(pdev, where, &u32val); | |
1460 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
1461 | "%03x: %08x\n", where, u32val); | |
1462 | break; | |
86a80846 | 1463 | case LPFC_PCI_CFG_BROWSE: /* browse all */ |
2a622bfb JS |
1464 | goto pcicfg_browse; |
1465 | break; | |
1466 | default: | |
1467 | /* illegal count */ | |
1468 | len = 0; | |
1469 | break; | |
1470 | } | |
1471 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
1472 | ||
1473 | pcicfg_browse: | |
1474 | ||
1475 | /* Browse all PCI config space registers */ | |
1476 | offset_label = idiag.offset.last_rd; | |
1477 | offset = offset_label; | |
1478 | ||
1479 | /* Read PCI config space */ | |
1480 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
1481 | "%03x: ", offset_label); | |
1482 | while (index > 0) { | |
1483 | pci_read_config_dword(pdev, offset, &u32val); | |
1484 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
1485 | "%08x ", u32val); | |
1486 | offset += sizeof(uint32_t); | |
b76f2dc9 JS |
1487 | if (offset >= LPFC_PCI_CFG_SIZE) { |
1488 | len += snprintf(pbuffer+len, | |
1489 | LPFC_PCI_CFG_SIZE-len, "\n"); | |
1490 | break; | |
1491 | } | |
2a622bfb JS |
1492 | index -= sizeof(uint32_t); |
1493 | if (!index) | |
1494 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
1495 | "\n"); | |
1496 | else if (!(index % (8 * sizeof(uint32_t)))) { | |
1497 | offset_label += (8 * sizeof(uint32_t)); | |
1498 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
1499 | "\n%03x: ", offset_label); | |
1500 | } | |
1501 | } | |
1502 | ||
1503 | /* Set up the offset for next portion of pci cfg read */ | |
b76f2dc9 JS |
1504 | if (index == 0) { |
1505 | idiag.offset.last_rd += LPFC_PCI_CFG_RD_SIZE; | |
1506 | if (idiag.offset.last_rd >= LPFC_PCI_CFG_SIZE) | |
1507 | idiag.offset.last_rd = 0; | |
1508 | } else | |
2a622bfb JS |
1509 | idiag.offset.last_rd = 0; |
1510 | ||
1511 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
1512 | } | |
1513 | ||
1514 | /** | |
1515 | * lpfc_idiag_pcicfg_write - Syntax check and set up idiag pcicfg commands | |
1516 | * @file: The file pointer to read from. | |
1517 | * @buf: The buffer to copy the user data from. | |
1518 | * @nbytes: The number of bytes to get. | |
1519 | * @ppos: The position in the file to start reading from. | |
1520 | * | |
1521 | * This routine get the debugfs idiag command struct from user space and | |
1522 | * then perform the syntax check for PCI config space read or write command | |
1523 | * accordingly. In the case of PCI config space read command, it sets up | |
1524 | * the command in the idiag command struct for the debugfs read operation. | |
1525 | * In the case of PCI config space write operation, it executes the write | |
1526 | * operation into the PCI config space accordingly. | |
1527 | * | |
1528 | * It returns the @nbytges passing in from debugfs user space when successful. | |
1529 | * In case of error conditions, it returns proper error code back to the user | |
1530 | * space. | |
1531 | */ | |
1532 | static ssize_t | |
1533 | lpfc_idiag_pcicfg_write(struct file *file, const char __user *buf, | |
1534 | size_t nbytes, loff_t *ppos) | |
1535 | { | |
1536 | struct lpfc_debug *debug = file->private_data; | |
1537 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
1538 | uint32_t where, value, count; | |
1539 | uint32_t u32val; | |
1540 | uint16_t u16val; | |
1541 | uint8_t u8val; | |
1542 | struct pci_dev *pdev; | |
1543 | int rc; | |
1544 | ||
1545 | pdev = phba->pcidev; | |
1546 | if (!pdev) | |
1547 | return -EFAULT; | |
1548 | ||
1549 | /* This is a user write operation */ | |
1550 | debug->op = LPFC_IDIAG_OP_WR; | |
1551 | ||
1552 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
86a80846 | 1553 | if (rc < 0) |
2a622bfb JS |
1554 | return rc; |
1555 | ||
1556 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) { | |
86a80846 JS |
1557 | /* Sanity check on PCI config read command line arguments */ |
1558 | if (rc != LPFC_PCI_CFG_RD_CMD_ARG) | |
1559 | goto error_out; | |
2a622bfb | 1560 | /* Read command from PCI config space, set up command fields */ |
b76f2dc9 JS |
1561 | where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX]; |
1562 | count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX]; | |
86a80846 JS |
1563 | if (count == LPFC_PCI_CFG_BROWSE) { |
1564 | if (where % sizeof(uint32_t)) | |
2a622bfb | 1565 | goto error_out; |
86a80846 JS |
1566 | /* Starting offset to browse */ |
1567 | idiag.offset.last_rd = where; | |
2a622bfb JS |
1568 | } else if ((count != sizeof(uint8_t)) && |
1569 | (count != sizeof(uint16_t)) && | |
1570 | (count != sizeof(uint32_t))) | |
1571 | goto error_out; | |
1572 | if (count == sizeof(uint8_t)) { | |
1573 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t)) | |
1574 | goto error_out; | |
1575 | if (where % sizeof(uint8_t)) | |
1576 | goto error_out; | |
1577 | } | |
1578 | if (count == sizeof(uint16_t)) { | |
1579 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t)) | |
1580 | goto error_out; | |
1581 | if (where % sizeof(uint16_t)) | |
1582 | goto error_out; | |
1583 | } | |
1584 | if (count == sizeof(uint32_t)) { | |
1585 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t)) | |
1586 | goto error_out; | |
1587 | if (where % sizeof(uint32_t)) | |
1588 | goto error_out; | |
1589 | } | |
1590 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR || | |
1591 | idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST || | |
1592 | idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) { | |
86a80846 JS |
1593 | /* Sanity check on PCI config write command line arguments */ |
1594 | if (rc != LPFC_PCI_CFG_WR_CMD_ARG) | |
1595 | goto error_out; | |
2a622bfb | 1596 | /* Write command to PCI config space, read-modify-write */ |
b76f2dc9 JS |
1597 | where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX]; |
1598 | count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX]; | |
1599 | value = idiag.cmd.data[IDIAG_PCICFG_VALUE_INDX]; | |
2a622bfb JS |
1600 | /* Sanity checks */ |
1601 | if ((count != sizeof(uint8_t)) && | |
1602 | (count != sizeof(uint16_t)) && | |
1603 | (count != sizeof(uint32_t))) | |
1604 | goto error_out; | |
1605 | if (count == sizeof(uint8_t)) { | |
1606 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t)) | |
1607 | goto error_out; | |
1608 | if (where % sizeof(uint8_t)) | |
1609 | goto error_out; | |
1610 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR) | |
1611 | pci_write_config_byte(pdev, where, | |
1612 | (uint8_t)value); | |
1613 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) { | |
1614 | rc = pci_read_config_byte(pdev, where, &u8val); | |
1615 | if (!rc) { | |
1616 | u8val |= (uint8_t)value; | |
1617 | pci_write_config_byte(pdev, where, | |
1618 | u8val); | |
1619 | } | |
1620 | } | |
1621 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) { | |
1622 | rc = pci_read_config_byte(pdev, where, &u8val); | |
1623 | if (!rc) { | |
1624 | u8val &= (uint8_t)(~value); | |
1625 | pci_write_config_byte(pdev, where, | |
1626 | u8val); | |
1627 | } | |
1628 | } | |
1629 | } | |
1630 | if (count == sizeof(uint16_t)) { | |
1631 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t)) | |
1632 | goto error_out; | |
1633 | if (where % sizeof(uint16_t)) | |
1634 | goto error_out; | |
1635 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR) | |
1636 | pci_write_config_word(pdev, where, | |
1637 | (uint16_t)value); | |
1638 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) { | |
1639 | rc = pci_read_config_word(pdev, where, &u16val); | |
1640 | if (!rc) { | |
1641 | u16val |= (uint16_t)value; | |
1642 | pci_write_config_word(pdev, where, | |
1643 | u16val); | |
1644 | } | |
1645 | } | |
1646 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) { | |
1647 | rc = pci_read_config_word(pdev, where, &u16val); | |
1648 | if (!rc) { | |
1649 | u16val &= (uint16_t)(~value); | |
1650 | pci_write_config_word(pdev, where, | |
1651 | u16val); | |
1652 | } | |
1653 | } | |
1654 | } | |
1655 | if (count == sizeof(uint32_t)) { | |
1656 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t)) | |
1657 | goto error_out; | |
1658 | if (where % sizeof(uint32_t)) | |
1659 | goto error_out; | |
1660 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR) | |
1661 | pci_write_config_dword(pdev, where, value); | |
1662 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) { | |
1663 | rc = pci_read_config_dword(pdev, where, | |
1664 | &u32val); | |
1665 | if (!rc) { | |
1666 | u32val |= value; | |
1667 | pci_write_config_dword(pdev, where, | |
1668 | u32val); | |
1669 | } | |
1670 | } | |
1671 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) { | |
1672 | rc = pci_read_config_dword(pdev, where, | |
1673 | &u32val); | |
1674 | if (!rc) { | |
1675 | u32val &= ~value; | |
1676 | pci_write_config_dword(pdev, where, | |
1677 | u32val); | |
1678 | } | |
1679 | } | |
1680 | } | |
1681 | } else | |
1682 | /* All other opecodes are illegal for now */ | |
1683 | goto error_out; | |
1684 | ||
1685 | return nbytes; | |
1686 | error_out: | |
1687 | memset(&idiag, 0, sizeof(idiag)); | |
1688 | return -EINVAL; | |
1689 | } | |
1690 | ||
b76f2dc9 JS |
1691 | /** |
1692 | * lpfc_idiag_baracc_read - idiag debugfs pci bar access read | |
1693 | * @file: The file pointer to read from. | |
1694 | * @buf: The buffer to copy the data to. | |
1695 | * @nbytes: The number of bytes to read. | |
1696 | * @ppos: The position in the file to start reading from. | |
1697 | * | |
1698 | * Description: | |
1699 | * This routine reads data from the @phba pci bar memory mapped space | |
1700 | * according to the idiag command, and copies to user @buf. | |
1701 | * | |
1702 | * Returns: | |
1703 | * This function returns the amount of data that was read (this could be less | |
1704 | * than @nbytes if the end of the file was reached) or a negative error value. | |
1705 | **/ | |
1706 | static ssize_t | |
1707 | lpfc_idiag_baracc_read(struct file *file, char __user *buf, size_t nbytes, | |
1708 | loff_t *ppos) | |
1709 | { | |
1710 | struct lpfc_debug *debug = file->private_data; | |
1711 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
1712 | int offset_label, offset, offset_run, len = 0, index; | |
1713 | int bar_num, acc_range, bar_size; | |
1714 | char *pbuffer; | |
1715 | void __iomem *mem_mapped_bar; | |
1716 | uint32_t if_type; | |
1717 | struct pci_dev *pdev; | |
1718 | uint32_t u32val; | |
1719 | ||
1720 | pdev = phba->pcidev; | |
1721 | if (!pdev) | |
1722 | return 0; | |
1723 | ||
1724 | /* This is a user read operation */ | |
1725 | debug->op = LPFC_IDIAG_OP_RD; | |
1726 | ||
1727 | if (!debug->buffer) | |
1728 | debug->buffer = kmalloc(LPFC_PCI_BAR_RD_BUF_SIZE, GFP_KERNEL); | |
1729 | if (!debug->buffer) | |
1730 | return 0; | |
1731 | pbuffer = debug->buffer; | |
1732 | ||
1733 | if (*ppos) | |
1734 | return 0; | |
1735 | ||
1736 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) { | |
1737 | bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX]; | |
1738 | offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX]; | |
1739 | acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX]; | |
1740 | bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX]; | |
1741 | } else | |
1742 | return 0; | |
1743 | ||
1744 | if (acc_range == 0) | |
1745 | return 0; | |
1746 | ||
1747 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
1748 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) { | |
1749 | if (bar_num == IDIAG_BARACC_BAR_0) | |
1750 | mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p; | |
1751 | else if (bar_num == IDIAG_BARACC_BAR_1) | |
1752 | mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p; | |
1753 | else if (bar_num == IDIAG_BARACC_BAR_2) | |
1754 | mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p; | |
1755 | else | |
1756 | return 0; | |
1757 | } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
1758 | if (bar_num == IDIAG_BARACC_BAR_0) | |
1759 | mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p; | |
1760 | else | |
1761 | return 0; | |
1762 | } else | |
1763 | return 0; | |
1764 | ||
1765 | /* Read single PCI bar space register */ | |
1766 | if (acc_range == SINGLE_WORD) { | |
1767 | offset_run = offset; | |
1768 | u32val = readl(mem_mapped_bar + offset_run); | |
1769 | len += snprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len, | |
1770 | "%05x: %08x\n", offset_run, u32val); | |
1771 | } else | |
1772 | goto baracc_browse; | |
1773 | ||
1774 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
1775 | ||
1776 | baracc_browse: | |
1777 | ||
1778 | /* Browse all PCI bar space registers */ | |
1779 | offset_label = idiag.offset.last_rd; | |
1780 | offset_run = offset_label; | |
1781 | ||
1782 | /* Read PCI bar memory mapped space */ | |
1783 | len += snprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len, | |
1784 | "%05x: ", offset_label); | |
1785 | index = LPFC_PCI_BAR_RD_SIZE; | |
1786 | while (index > 0) { | |
1787 | u32val = readl(mem_mapped_bar + offset_run); | |
1788 | len += snprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len, | |
1789 | "%08x ", u32val); | |
1790 | offset_run += sizeof(uint32_t); | |
1791 | if (acc_range == LPFC_PCI_BAR_BROWSE) { | |
1792 | if (offset_run >= bar_size) { | |
1793 | len += snprintf(pbuffer+len, | |
1794 | LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n"); | |
1795 | break; | |
1796 | } | |
1797 | } else { | |
1798 | if (offset_run >= offset + | |
1799 | (acc_range * sizeof(uint32_t))) { | |
1800 | len += snprintf(pbuffer+len, | |
1801 | LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n"); | |
1802 | break; | |
1803 | } | |
1804 | } | |
1805 | index -= sizeof(uint32_t); | |
1806 | if (!index) | |
1807 | len += snprintf(pbuffer+len, | |
1808 | LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n"); | |
1809 | else if (!(index % (8 * sizeof(uint32_t)))) { | |
1810 | offset_label += (8 * sizeof(uint32_t)); | |
1811 | len += snprintf(pbuffer+len, | |
1812 | LPFC_PCI_BAR_RD_BUF_SIZE-len, | |
1813 | "\n%05x: ", offset_label); | |
1814 | } | |
1815 | } | |
1816 | ||
1817 | /* Set up the offset for next portion of pci bar read */ | |
1818 | if (index == 0) { | |
1819 | idiag.offset.last_rd += LPFC_PCI_BAR_RD_SIZE; | |
1820 | if (acc_range == LPFC_PCI_BAR_BROWSE) { | |
1821 | if (idiag.offset.last_rd >= bar_size) | |
1822 | idiag.offset.last_rd = 0; | |
1823 | } else { | |
1824 | if (offset_run >= offset + | |
1825 | (acc_range * sizeof(uint32_t))) | |
1826 | idiag.offset.last_rd = offset; | |
1827 | } | |
1828 | } else { | |
1829 | if (acc_range == LPFC_PCI_BAR_BROWSE) | |
1830 | idiag.offset.last_rd = 0; | |
1831 | else | |
1832 | idiag.offset.last_rd = offset; | |
1833 | } | |
1834 | ||
1835 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
1836 | } | |
1837 | ||
1838 | /** | |
1839 | * lpfc_idiag_baracc_write - Syntax check and set up idiag bar access commands | |
1840 | * @file: The file pointer to read from. | |
1841 | * @buf: The buffer to copy the user data from. | |
1842 | * @nbytes: The number of bytes to get. | |
1843 | * @ppos: The position in the file to start reading from. | |
1844 | * | |
1845 | * This routine get the debugfs idiag command struct from user space and | |
1846 | * then perform the syntax check for PCI bar memory mapped space read or | |
1847 | * write command accordingly. In the case of PCI bar memory mapped space | |
1848 | * read command, it sets up the command in the idiag command struct for | |
1849 | * the debugfs read operation. In the case of PCI bar memorpy mapped space | |
1850 | * write operation, it executes the write operation into the PCI bar memory | |
1851 | * mapped space accordingly. | |
1852 | * | |
1853 | * It returns the @nbytges passing in from debugfs user space when successful. | |
1854 | * In case of error conditions, it returns proper error code back to the user | |
1855 | * space. | |
1856 | */ | |
1857 | static ssize_t | |
1858 | lpfc_idiag_baracc_write(struct file *file, const char __user *buf, | |
1859 | size_t nbytes, loff_t *ppos) | |
1860 | { | |
1861 | struct lpfc_debug *debug = file->private_data; | |
1862 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
1863 | uint32_t bar_num, bar_size, offset, value, acc_range; | |
1864 | struct pci_dev *pdev; | |
1865 | void __iomem *mem_mapped_bar; | |
1866 | uint32_t if_type; | |
1867 | uint32_t u32val; | |
1868 | int rc; | |
1869 | ||
1870 | pdev = phba->pcidev; | |
1871 | if (!pdev) | |
1872 | return -EFAULT; | |
1873 | ||
1874 | /* This is a user write operation */ | |
1875 | debug->op = LPFC_IDIAG_OP_WR; | |
1876 | ||
1877 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
1878 | if (rc < 0) | |
1879 | return rc; | |
1880 | ||
1881 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
1882 | bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX]; | |
1883 | ||
1884 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) { | |
1885 | if ((bar_num != IDIAG_BARACC_BAR_0) && | |
1886 | (bar_num != IDIAG_BARACC_BAR_1) && | |
1887 | (bar_num != IDIAG_BARACC_BAR_2)) | |
1888 | goto error_out; | |
1889 | } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
1890 | if (bar_num != IDIAG_BARACC_BAR_0) | |
1891 | goto error_out; | |
1892 | } else | |
1893 | goto error_out; | |
1894 | ||
1895 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) { | |
1896 | if (bar_num == IDIAG_BARACC_BAR_0) { | |
1897 | idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] = | |
1898 | LPFC_PCI_IF0_BAR0_SIZE; | |
1899 | mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p; | |
1900 | } else if (bar_num == IDIAG_BARACC_BAR_1) { | |
1901 | idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] = | |
1902 | LPFC_PCI_IF0_BAR1_SIZE; | |
1903 | mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p; | |
1904 | } else if (bar_num == IDIAG_BARACC_BAR_2) { | |
1905 | idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] = | |
1906 | LPFC_PCI_IF0_BAR2_SIZE; | |
1907 | mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p; | |
1908 | } else | |
1909 | goto error_out; | |
1910 | } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
1911 | if (bar_num == IDIAG_BARACC_BAR_0) { | |
1912 | idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] = | |
1913 | LPFC_PCI_IF2_BAR0_SIZE; | |
1914 | mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p; | |
1915 | } else | |
1916 | goto error_out; | |
1917 | } else | |
1918 | goto error_out; | |
1919 | ||
1920 | offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX]; | |
1921 | if (offset % sizeof(uint32_t)) | |
1922 | goto error_out; | |
1923 | ||
1924 | bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX]; | |
1925 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) { | |
1926 | /* Sanity check on PCI config read command line arguments */ | |
1927 | if (rc != LPFC_PCI_BAR_RD_CMD_ARG) | |
1928 | goto error_out; | |
1929 | acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX]; | |
1930 | if (acc_range == LPFC_PCI_BAR_BROWSE) { | |
1931 | if (offset > bar_size - sizeof(uint32_t)) | |
1932 | goto error_out; | |
1933 | /* Starting offset to browse */ | |
1934 | idiag.offset.last_rd = offset; | |
1935 | } else if (acc_range > SINGLE_WORD) { | |
1936 | if (offset + acc_range * sizeof(uint32_t) > bar_size) | |
1937 | goto error_out; | |
1938 | /* Starting offset to browse */ | |
1939 | idiag.offset.last_rd = offset; | |
1940 | } else if (acc_range != SINGLE_WORD) | |
1941 | goto error_out; | |
1942 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR || | |
1943 | idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST || | |
1944 | idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) { | |
1945 | /* Sanity check on PCI bar write command line arguments */ | |
1946 | if (rc != LPFC_PCI_BAR_WR_CMD_ARG) | |
1947 | goto error_out; | |
1948 | /* Write command to PCI bar space, read-modify-write */ | |
1949 | acc_range = SINGLE_WORD; | |
1950 | value = idiag.cmd.data[IDIAG_BARACC_REG_VAL_INDX]; | |
1951 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR) { | |
1952 | writel(value, mem_mapped_bar + offset); | |
1953 | readl(mem_mapped_bar + offset); | |
1954 | } | |
1955 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST) { | |
1956 | u32val = readl(mem_mapped_bar + offset); | |
1957 | u32val |= value; | |
1958 | writel(u32val, mem_mapped_bar + offset); | |
1959 | readl(mem_mapped_bar + offset); | |
1960 | } | |
1961 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) { | |
1962 | u32val = readl(mem_mapped_bar + offset); | |
1963 | u32val &= ~value; | |
1964 | writel(u32val, mem_mapped_bar + offset); | |
1965 | readl(mem_mapped_bar + offset); | |
1966 | } | |
1967 | } else | |
1968 | /* All other opecodes are illegal for now */ | |
1969 | goto error_out; | |
1970 | ||
1971 | return nbytes; | |
1972 | error_out: | |
1973 | memset(&idiag, 0, sizeof(idiag)); | |
1974 | return -EINVAL; | |
1975 | } | |
1976 | ||
2a622bfb JS |
1977 | /** |
1978 | * lpfc_idiag_queinfo_read - idiag debugfs read queue information | |
1979 | * @file: The file pointer to read from. | |
1980 | * @buf: The buffer to copy the data to. | |
1981 | * @nbytes: The number of bytes to read. | |
1982 | * @ppos: The position in the file to start reading from. | |
1983 | * | |
1984 | * Description: | |
1985 | * This routine reads data from the @phba SLI4 PCI function queue information, | |
1986 | * and copies to user @buf. | |
1987 | * | |
1988 | * Returns: | |
1989 | * This function returns the amount of data that was read (this could be less | |
1990 | * than @nbytes if the end of the file was reached) or a negative error value. | |
1991 | **/ | |
1992 | static ssize_t | |
1993 | lpfc_idiag_queinfo_read(struct file *file, char __user *buf, size_t nbytes, | |
1994 | loff_t *ppos) | |
1995 | { | |
1996 | struct lpfc_debug *debug = file->private_data; | |
1997 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
c85a65ac | 1998 | int len = 0; |
2a622bfb | 1999 | char *pbuffer; |
c85a65ac JS |
2000 | int x, cnt; |
2001 | int max_cnt; | |
2002 | struct lpfc_queue *qp = NULL; | |
2003 | ||
2a622bfb JS |
2004 | |
2005 | if (!debug->buffer) | |
2006 | debug->buffer = kmalloc(LPFC_QUE_INFO_GET_BUF_SIZE, GFP_KERNEL); | |
2007 | if (!debug->buffer) | |
2008 | return 0; | |
2009 | pbuffer = debug->buffer; | |
c85a65ac | 2010 | max_cnt = LPFC_QUE_INFO_GET_BUF_SIZE - 128; |
2a622bfb JS |
2011 | |
2012 | if (*ppos) | |
2013 | return 0; | |
2014 | ||
c85a65ac JS |
2015 | spin_lock_irq(&phba->hbalock); |
2016 | ||
2017 | /* Fast-path event queue */ | |
2018 | if (phba->sli4_hba.hba_eq && phba->cfg_fcp_io_channel) { | |
2019 | cnt = phba->cfg_fcp_io_channel; | |
2020 | ||
2021 | for (x = 0; x < cnt; x++) { | |
2022 | ||
2023 | /* Fast-path EQ */ | |
2024 | qp = phba->sli4_hba.hba_eq[x]; | |
2025 | if (!qp) | |
2026 | goto proc_cq; | |
2027 | ||
2028 | len += snprintf(pbuffer+len, | |
2029 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2030 | "\nHBA EQ info: " | |
2031 | "EQ-STAT[max:x%x noE:x%x " | |
2032 | "bs:x%x proc:x%llx]\n", | |
2033 | qp->q_cnt_1, qp->q_cnt_2, | |
a51a1783 | 2034 | qp->q_cnt_3, (unsigned long long)qp->q_cnt_4); |
c85a65ac JS |
2035 | |
2036 | len += snprintf(pbuffer+len, | |
2037 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2038 | "EQID[%02d], " | |
2039 | "QE-CNT[%04d], QE-SIZE[%04d], " | |
2040 | "HOST-IDX[%04d], PORT-IDX[%04d]", | |
2041 | qp->queue_id, | |
2042 | qp->entry_count, | |
2043 | qp->entry_size, | |
2044 | qp->host_index, | |
2045 | qp->hba_index); | |
2046 | ||
2047 | ||
2048 | /* Reset max counter */ | |
2049 | qp->EQ_max_eqe = 0; | |
2050 | ||
2051 | len += snprintf(pbuffer+len, | |
2052 | LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); | |
2053 | if (len >= max_cnt) | |
2054 | goto too_big; | |
2055 | proc_cq: | |
2056 | /* Fast-path FCP CQ */ | |
2057 | qp = phba->sli4_hba.fcp_cq[x]; | |
2058 | len += snprintf(pbuffer+len, | |
2059 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2060 | "\tFCP CQ info: "); | |
2061 | len += snprintf(pbuffer+len, | |
2062 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2063 | "AssocEQID[%02d]: " | |
2064 | "CQ STAT[max:x%x relw:x%x " | |
2065 | "xabt:x%x wq:x%llx]\n", | |
2066 | qp->assoc_qid, | |
2067 | qp->q_cnt_1, qp->q_cnt_2, | |
a51a1783 | 2068 | qp->q_cnt_3, (unsigned long long)qp->q_cnt_4); |
c85a65ac JS |
2069 | len += snprintf(pbuffer+len, |
2070 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2071 | "\tCQID[%02d], " | |
2072 | "QE-CNT[%04d], QE-SIZE[%04d], " | |
2073 | "HOST-IDX[%04d], PORT-IDX[%04d]", | |
2074 | qp->queue_id, qp->entry_count, | |
2075 | qp->entry_size, qp->host_index, | |
2076 | qp->hba_index); | |
2077 | ||
2078 | ||
2079 | /* Reset max counter */ | |
2080 | qp->CQ_max_cqe = 0; | |
2081 | ||
2082 | len += snprintf(pbuffer+len, | |
2083 | LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); | |
2084 | if (len >= max_cnt) | |
2085 | goto too_big; | |
2086 | ||
2087 | /* Fast-path FCP WQ */ | |
2088 | qp = phba->sli4_hba.fcp_wq[x]; | |
2089 | ||
2090 | len += snprintf(pbuffer+len, | |
2091 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2092 | "\t\tFCP WQ info: "); | |
2093 | len += snprintf(pbuffer+len, | |
2094 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2095 | "AssocCQID[%02d]: " | |
2096 | "WQ-STAT[oflow:x%x posted:x%llx]\n", | |
2097 | qp->assoc_qid, | |
a51a1783 | 2098 | qp->q_cnt_1, (unsigned long long)qp->q_cnt_4); |
c85a65ac JS |
2099 | len += snprintf(pbuffer+len, |
2100 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2101 | "\t\tWQID[%02d], " | |
2102 | "QE-CNT[%04d], QE-SIZE[%04d], " | |
2103 | "HOST-IDX[%04d], PORT-IDX[%04d]", | |
2104 | qp->queue_id, | |
2105 | qp->entry_count, | |
2106 | qp->entry_size, | |
2107 | qp->host_index, | |
2108 | qp->hba_index); | |
2109 | ||
2110 | len += snprintf(pbuffer+len, | |
2111 | LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); | |
2112 | if (len >= max_cnt) | |
2113 | goto too_big; | |
2114 | ||
2115 | if (x) | |
2116 | continue; | |
2117 | ||
2118 | /* Only EQ 0 has slow path CQs configured */ | |
2119 | ||
2120 | /* Slow-path mailbox CQ */ | |
2121 | qp = phba->sli4_hba.mbx_cq; | |
2122 | if (qp) { | |
2123 | len += snprintf(pbuffer+len, | |
2124 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2125 | "\tMBX CQ info: "); | |
2e90f4b5 JS |
2126 | len += snprintf(pbuffer+len, |
2127 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
c85a65ac JS |
2128 | "AssocEQID[%02d]: " |
2129 | "CQ-STAT[mbox:x%x relw:x%x " | |
2130 | "xabt:x%x wq:x%llx]\n", | |
2131 | qp->assoc_qid, | |
2132 | qp->q_cnt_1, qp->q_cnt_2, | |
a51a1783 JS |
2133 | qp->q_cnt_3, |
2134 | (unsigned long long)qp->q_cnt_4); | |
c85a65ac JS |
2135 | len += snprintf(pbuffer+len, |
2136 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2137 | "\tCQID[%02d], " | |
2138 | "QE-CNT[%04d], QE-SIZE[%04d], " | |
2139 | "HOST-IDX[%04d], PORT-IDX[%04d]", | |
2140 | qp->queue_id, qp->entry_count, | |
2141 | qp->entry_size, qp->host_index, | |
2142 | qp->hba_index); | |
2143 | ||
2144 | len += snprintf(pbuffer+len, | |
2145 | LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); | |
2146 | if (len >= max_cnt) | |
2147 | goto too_big; | |
2e90f4b5 | 2148 | } |
2a622bfb | 2149 | |
c85a65ac JS |
2150 | /* Slow-path MBOX MQ */ |
2151 | qp = phba->sli4_hba.mbx_wq; | |
2152 | if (qp) { | |
2153 | len += snprintf(pbuffer+len, | |
2154 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2155 | "\t\tMBX MQ info: "); | |
2156 | len += snprintf(pbuffer+len, | |
2157 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2158 | "AssocCQID[%02d]:\n", | |
2159 | phba->sli4_hba.mbx_wq->assoc_qid); | |
2160 | len += snprintf(pbuffer+len, | |
2161 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2162 | "\t\tWQID[%02d], " | |
2163 | "QE-CNT[%04d], QE-SIZE[%04d], " | |
2164 | "HOST-IDX[%04d], PORT-IDX[%04d]", | |
2165 | qp->queue_id, qp->entry_count, | |
2166 | qp->entry_size, qp->host_index, | |
2167 | qp->hba_index); | |
2168 | ||
2169 | len += snprintf(pbuffer+len, | |
2170 | LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); | |
2171 | if (len >= max_cnt) | |
2172 | goto too_big; | |
2173 | } | |
2a622bfb | 2174 | |
c85a65ac JS |
2175 | /* Slow-path ELS response CQ */ |
2176 | qp = phba->sli4_hba.els_cq; | |
2177 | if (qp) { | |
2e90f4b5 JS |
2178 | len += snprintf(pbuffer+len, |
2179 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
c85a65ac | 2180 | "\tELS CQ info: "); |
2e90f4b5 JS |
2181 | len += snprintf(pbuffer+len, |
2182 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
c85a65ac JS |
2183 | "AssocEQID[%02d]: " |
2184 | "CQ-STAT[max:x%x relw:x%x " | |
2185 | "xabt:x%x wq:x%llx]\n", | |
2186 | qp->assoc_qid, | |
2187 | qp->q_cnt_1, qp->q_cnt_2, | |
a51a1783 JS |
2188 | qp->q_cnt_3, |
2189 | (unsigned long long)qp->q_cnt_4); | |
c85a65ac JS |
2190 | len += snprintf(pbuffer+len, |
2191 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2192 | "\tCQID [%02d], " | |
2193 | "QE-CNT[%04d], QE-SIZE[%04d], " | |
2194 | "HOST-IDX[%04d], PORT-IDX[%04d]", | |
2195 | qp->queue_id, qp->entry_count, | |
2196 | qp->entry_size, qp->host_index, | |
2197 | qp->hba_index); | |
2198 | ||
2199 | /* Reset max counter */ | |
2200 | qp->CQ_max_cqe = 0; | |
2201 | ||
2202 | len += snprintf(pbuffer+len, | |
2203 | LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); | |
2204 | if (len >= max_cnt) | |
2205 | goto too_big; | |
2e90f4b5 | 2206 | } |
2a622bfb | 2207 | |
c85a65ac JS |
2208 | /* Slow-path ELS WQ */ |
2209 | qp = phba->sli4_hba.els_wq; | |
2210 | if (qp) { | |
2211 | len += snprintf(pbuffer+len, | |
2212 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2213 | "\t\tELS WQ info: "); | |
2214 | len += snprintf(pbuffer+len, | |
2215 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2216 | "AssocCQID[%02d]: " | |
2217 | " WQ-STAT[oflow:x%x " | |
2218 | "posted:x%llx]\n", | |
2219 | qp->assoc_qid, | |
a51a1783 JS |
2220 | qp->q_cnt_1, |
2221 | (unsigned long long)qp->q_cnt_4); | |
c85a65ac JS |
2222 | len += snprintf(pbuffer+len, |
2223 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2224 | "\t\tWQID[%02d], " | |
2225 | "QE-CNT[%04d], QE-SIZE[%04d], " | |
2226 | "HOST-IDX[%04d], PORT-IDX[%04d]", | |
2227 | qp->queue_id, qp->entry_count, | |
2228 | qp->entry_size, qp->host_index, | |
2229 | qp->hba_index); | |
2230 | ||
2231 | len += snprintf(pbuffer+len, | |
2232 | LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); | |
2233 | if (len >= max_cnt) | |
2234 | goto too_big; | |
2235 | } | |
2a622bfb | 2236 | |
c85a65ac JS |
2237 | if (phba->sli4_hba.hdr_rq && phba->sli4_hba.dat_rq) { |
2238 | /* Slow-path RQ header */ | |
2239 | qp = phba->sli4_hba.hdr_rq; | |
2a622bfb | 2240 | |
c85a65ac JS |
2241 | len += snprintf(pbuffer+len, |
2242 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2243 | "\t\tRQ info: "); | |
2244 | len += snprintf(pbuffer+len, | |
2e90f4b5 | 2245 | LPFC_QUE_INFO_GET_BUF_SIZE-len, |
c85a65ac JS |
2246 | "AssocCQID[%02d]: " |
2247 | "RQ-STAT[nopost:x%x nobuf:x%x " | |
2248 | "trunc:x%x rcv:x%llx]\n", | |
2249 | qp->assoc_qid, | |
2250 | qp->q_cnt_1, qp->q_cnt_2, | |
a51a1783 JS |
2251 | qp->q_cnt_3, |
2252 | (unsigned long long)qp->q_cnt_4); | |
c85a65ac | 2253 | len += snprintf(pbuffer+len, |
2e90f4b5 | 2254 | LPFC_QUE_INFO_GET_BUF_SIZE-len, |
c85a65ac JS |
2255 | "\t\tHQID[%02d], " |
2256 | "QE-CNT[%04d], QE-SIZE[%04d], " | |
2257 | "HOST-IDX[%04d], PORT-IDX[%04d]\n", | |
2258 | qp->queue_id, | |
2259 | qp->entry_count, | |
2260 | qp->entry_size, | |
2261 | qp->host_index, | |
2262 | qp->hba_index); | |
2263 | ||
2264 | /* Slow-path RQ data */ | |
2265 | qp = phba->sli4_hba.dat_rq; | |
2266 | len += snprintf(pbuffer+len, | |
2267 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2268 | "\t\tDQID[%02d], " | |
2269 | "QE-CNT[%04d], QE-SIZE[%04d], " | |
2270 | "HOST-IDX[%04d], PORT-IDX[%04d]\n", | |
2271 | qp->queue_id, | |
2272 | qp->entry_count, | |
2273 | qp->entry_size, | |
2274 | qp->host_index, | |
2275 | qp->hba_index); | |
2276 | ||
2277 | len += snprintf(pbuffer+len, | |
2278 | LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); | |
2279 | } | |
2e90f4b5 | 2280 | } |
2a622bfb | 2281 | } |
2a622bfb | 2282 | |
1ba981fd JS |
2283 | if (phba->cfg_fof) { |
2284 | /* FOF EQ */ | |
2285 | qp = phba->sli4_hba.fof_eq; | |
2286 | if (!qp) | |
2287 | goto out; | |
2288 | ||
2289 | len += snprintf(pbuffer+len, | |
2290 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2291 | "\nFOF EQ info: " | |
2292 | "EQ-STAT[max:x%x noE:x%x " | |
2293 | "bs:x%x proc:x%llx]\n", | |
2294 | qp->q_cnt_1, qp->q_cnt_2, | |
2295 | qp->q_cnt_3, (unsigned long long)qp->q_cnt_4); | |
2296 | ||
2297 | len += snprintf(pbuffer+len, | |
2298 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2299 | "EQID[%02d], " | |
2300 | "QE-CNT[%04d], QE-SIZE[%04d], " | |
2301 | "HOST-IDX[%04d], PORT-IDX[%04d]", | |
2302 | qp->queue_id, | |
2303 | qp->entry_count, | |
2304 | qp->entry_size, | |
2305 | qp->host_index, | |
2306 | qp->hba_index); | |
2307 | ||
2308 | /* Reset max counter */ | |
2309 | qp->EQ_max_eqe = 0; | |
2310 | ||
2311 | len += snprintf(pbuffer+len, | |
2312 | LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); | |
2313 | if (len >= max_cnt) | |
2314 | goto too_big; | |
2315 | } | |
2316 | ||
f38fa0bb | 2317 | if (phba->cfg_fof) { |
1ba981fd JS |
2318 | |
2319 | /* OAS CQ */ | |
2320 | qp = phba->sli4_hba.oas_cq; | |
2321 | if (qp) { | |
2322 | len += snprintf(pbuffer+len, | |
2323 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2324 | "\tOAS CQ info: "); | |
2325 | len += snprintf(pbuffer+len, | |
2326 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2327 | "AssocEQID[%02d]: " | |
2328 | "CQ STAT[max:x%x relw:x%x " | |
2329 | "xabt:x%x wq:x%llx]\n", | |
2330 | qp->assoc_qid, | |
2331 | qp->q_cnt_1, qp->q_cnt_2, | |
2332 | qp->q_cnt_3, (unsigned long long)qp->q_cnt_4); | |
2333 | len += snprintf(pbuffer+len, | |
2334 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2335 | "\tCQID[%02d], " | |
2336 | "QE-CNT[%04d], QE-SIZE[%04d], " | |
2337 | "HOST-IDX[%04d], PORT-IDX[%04d]", | |
2338 | qp->queue_id, qp->entry_count, | |
2339 | qp->entry_size, qp->host_index, | |
2340 | qp->hba_index); | |
2341 | ||
2342 | /* Reset max counter */ | |
2343 | qp->CQ_max_cqe = 0; | |
2344 | ||
2345 | len += snprintf(pbuffer+len, | |
2346 | LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); | |
2347 | if (len >= max_cnt) | |
2348 | goto too_big; | |
2349 | } | |
2350 | ||
2351 | /* OAS WQ */ | |
2352 | qp = phba->sli4_hba.oas_wq; | |
2353 | if (qp) { | |
2354 | len += snprintf(pbuffer+len, | |
2355 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2356 | "\t\tOAS WQ info: "); | |
2357 | len += snprintf(pbuffer+len, | |
2358 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2359 | "AssocCQID[%02d]: " | |
2360 | "WQ-STAT[oflow:x%x posted:x%llx]\n", | |
2361 | qp->assoc_qid, | |
2362 | qp->q_cnt_1, (unsigned long long)qp->q_cnt_4); | |
2363 | len += snprintf(pbuffer+len, | |
2364 | LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2365 | "\t\tWQID[%02d], " | |
2366 | "QE-CNT[%04d], QE-SIZE[%04d], " | |
2367 | "HOST-IDX[%04d], PORT-IDX[%04d]", | |
2368 | qp->queue_id, | |
2369 | qp->entry_count, | |
2370 | qp->entry_size, | |
2371 | qp->host_index, | |
2372 | qp->hba_index); | |
2373 | ||
2374 | len += snprintf(pbuffer+len, | |
2375 | LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); | |
2376 | if (len >= max_cnt) | |
2377 | goto too_big; | |
2378 | } | |
2379 | } | |
2380 | out: | |
c85a65ac JS |
2381 | spin_unlock_irq(&phba->hbalock); |
2382 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
2383 | ||
2384 | too_big: | |
2385 | len += snprintf(pbuffer+len, | |
2386 | LPFC_QUE_INFO_GET_BUF_SIZE-len, "Truncated ...\n"); | |
2387 | spin_unlock_irq(&phba->hbalock); | |
2a622bfb JS |
2388 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); |
2389 | } | |
2390 | ||
86a80846 JS |
2391 | /** |
2392 | * lpfc_idiag_que_param_check - queue access command parameter sanity check | |
2393 | * @q: The pointer to queue structure. | |
2394 | * @index: The index into a queue entry. | |
2395 | * @count: The number of queue entries to access. | |
2396 | * | |
2397 | * Description: | |
2398 | * The routine performs sanity check on device queue access method commands. | |
2399 | * | |
2400 | * Returns: | |
2401 | * This function returns -EINVAL when fails the sanity check, otherwise, it | |
2402 | * returns 0. | |
2403 | **/ | |
2404 | static int | |
2405 | lpfc_idiag_que_param_check(struct lpfc_queue *q, int index, int count) | |
2406 | { | |
2407 | /* Only support single entry read or browsing */ | |
2408 | if ((count != 1) && (count != LPFC_QUE_ACC_BROWSE)) | |
2409 | return -EINVAL; | |
2410 | if (index > q->entry_count - 1) | |
2411 | return -EINVAL; | |
2412 | return 0; | |
2413 | } | |
2414 | ||
2415 | /** | |
2416 | * lpfc_idiag_queacc_read_qe - read a single entry from the given queue index | |
2417 | * @pbuffer: The pointer to buffer to copy the read data into. | |
2418 | * @pque: The pointer to the queue to be read. | |
2419 | * @index: The index into the queue entry. | |
2420 | * | |
2421 | * Description: | |
2422 | * This routine reads out a single entry from the given queue's index location | |
2423 | * and copies it into the buffer provided. | |
2424 | * | |
2425 | * Returns: | |
2426 | * This function returns 0 when it fails, otherwise, it returns the length of | |
2427 | * the data read into the buffer provided. | |
2428 | **/ | |
2429 | static int | |
2430 | lpfc_idiag_queacc_read_qe(char *pbuffer, int len, struct lpfc_queue *pque, | |
2431 | uint32_t index) | |
2432 | { | |
2433 | int offset, esize; | |
2434 | uint32_t *pentry; | |
2435 | ||
2436 | if (!pbuffer || !pque) | |
2437 | return 0; | |
2438 | ||
2439 | esize = pque->entry_size; | |
2440 | len += snprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, | |
2441 | "QE-INDEX[%04d]:\n", index); | |
2442 | ||
2443 | offset = 0; | |
2444 | pentry = pque->qe[index].address; | |
2445 | while (esize > 0) { | |
2446 | len += snprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, | |
2447 | "%08x ", *pentry); | |
2448 | pentry++; | |
2449 | offset += sizeof(uint32_t); | |
2450 | esize -= sizeof(uint32_t); | |
2451 | if (esize > 0 && !(offset % (4 * sizeof(uint32_t)))) | |
2452 | len += snprintf(pbuffer+len, | |
2453 | LPFC_QUE_ACC_BUF_SIZE-len, "\n"); | |
2454 | } | |
2455 | len += snprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, "\n"); | |
2456 | ||
2457 | return len; | |
2458 | } | |
2459 | ||
2460 | /** | |
2461 | * lpfc_idiag_queacc_read - idiag debugfs read port queue | |
2462 | * @file: The file pointer to read from. | |
2463 | * @buf: The buffer to copy the data to. | |
2464 | * @nbytes: The number of bytes to read. | |
2465 | * @ppos: The position in the file to start reading from. | |
2466 | * | |
2467 | * Description: | |
2468 | * This routine reads data from the @phba device queue memory according to the | |
2469 | * idiag command, and copies to user @buf. Depending on the queue dump read | |
2470 | * command setup, it does either a single queue entry read or browing through | |
2471 | * all entries of the queue. | |
2472 | * | |
2473 | * Returns: | |
2474 | * This function returns the amount of data that was read (this could be less | |
2475 | * than @nbytes if the end of the file was reached) or a negative error value. | |
2476 | **/ | |
2477 | static ssize_t | |
2478 | lpfc_idiag_queacc_read(struct file *file, char __user *buf, size_t nbytes, | |
2479 | loff_t *ppos) | |
2480 | { | |
2481 | struct lpfc_debug *debug = file->private_data; | |
2482 | uint32_t last_index, index, count; | |
2483 | struct lpfc_queue *pque = NULL; | |
2484 | char *pbuffer; | |
2485 | int len = 0; | |
2486 | ||
2487 | /* This is a user read operation */ | |
2488 | debug->op = LPFC_IDIAG_OP_RD; | |
2489 | ||
2490 | if (!debug->buffer) | |
2491 | debug->buffer = kmalloc(LPFC_QUE_ACC_BUF_SIZE, GFP_KERNEL); | |
2492 | if (!debug->buffer) | |
2493 | return 0; | |
2494 | pbuffer = debug->buffer; | |
2495 | ||
2496 | if (*ppos) | |
2497 | return 0; | |
2498 | ||
2499 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) { | |
b76f2dc9 JS |
2500 | index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX]; |
2501 | count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX]; | |
86a80846 JS |
2502 | pque = (struct lpfc_queue *)idiag.ptr_private; |
2503 | } else | |
2504 | return 0; | |
2505 | ||
2506 | /* Browse the queue starting from index */ | |
2507 | if (count == LPFC_QUE_ACC_BROWSE) | |
2508 | goto que_browse; | |
2509 | ||
2510 | /* Read a single entry from the queue */ | |
2511 | len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index); | |
2512 | ||
2513 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
2514 | ||
2515 | que_browse: | |
2516 | ||
2517 | /* Browse all entries from the queue */ | |
2518 | last_index = idiag.offset.last_rd; | |
2519 | index = last_index; | |
2520 | ||
2521 | while (len < LPFC_QUE_ACC_SIZE - pque->entry_size) { | |
2522 | len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index); | |
2523 | index++; | |
2524 | if (index > pque->entry_count - 1) | |
2525 | break; | |
2526 | } | |
2527 | ||
2528 | /* Set up the offset for next portion of pci cfg read */ | |
2529 | if (index > pque->entry_count - 1) | |
2530 | index = 0; | |
2531 | idiag.offset.last_rd = index; | |
2532 | ||
2533 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
2534 | } | |
2535 | ||
2536 | /** | |
2537 | * lpfc_idiag_queacc_write - Syntax check and set up idiag queacc commands | |
2538 | * @file: The file pointer to read from. | |
2539 | * @buf: The buffer to copy the user data from. | |
2540 | * @nbytes: The number of bytes to get. | |
2541 | * @ppos: The position in the file to start reading from. | |
2542 | * | |
2543 | * This routine get the debugfs idiag command struct from user space and then | |
2544 | * perform the syntax check for port queue read (dump) or write (set) command | |
2545 | * accordingly. In the case of port queue read command, it sets up the command | |
2546 | * in the idiag command struct for the following debugfs read operation. In | |
2547 | * the case of port queue write operation, it executes the write operation | |
2548 | * into the port queue entry accordingly. | |
2549 | * | |
2550 | * It returns the @nbytges passing in from debugfs user space when successful. | |
2551 | * In case of error conditions, it returns proper error code back to the user | |
2552 | * space. | |
2553 | **/ | |
2554 | static ssize_t | |
2555 | lpfc_idiag_queacc_write(struct file *file, const char __user *buf, | |
2556 | size_t nbytes, loff_t *ppos) | |
2557 | { | |
2558 | struct lpfc_debug *debug = file->private_data; | |
2559 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
2560 | uint32_t qidx, quetp, queid, index, count, offset, value; | |
2561 | uint32_t *pentry; | |
2562 | struct lpfc_queue *pque; | |
2563 | int rc; | |
2564 | ||
2565 | /* This is a user write operation */ | |
2566 | debug->op = LPFC_IDIAG_OP_WR; | |
2567 | ||
2568 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
2569 | if (rc < 0) | |
2570 | return rc; | |
2571 | ||
2572 | /* Get and sanity check on command feilds */ | |
b76f2dc9 JS |
2573 | quetp = idiag.cmd.data[IDIAG_QUEACC_QUETP_INDX]; |
2574 | queid = idiag.cmd.data[IDIAG_QUEACC_QUEID_INDX]; | |
2575 | index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX]; | |
2576 | count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX]; | |
2577 | offset = idiag.cmd.data[IDIAG_QUEACC_OFFST_INDX]; | |
2578 | value = idiag.cmd.data[IDIAG_QUEACC_VALUE_INDX]; | |
86a80846 JS |
2579 | |
2580 | /* Sanity check on command line arguments */ | |
2581 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR || | |
2582 | idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST || | |
2583 | idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) { | |
2584 | if (rc != LPFC_QUE_ACC_WR_CMD_ARG) | |
2585 | goto error_out; | |
2586 | if (count != 1) | |
2587 | goto error_out; | |
2588 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) { | |
2589 | if (rc != LPFC_QUE_ACC_RD_CMD_ARG) | |
2590 | goto error_out; | |
2591 | } else | |
2592 | goto error_out; | |
2593 | ||
2594 | switch (quetp) { | |
2595 | case LPFC_IDIAG_EQ: | |
67d12733 JS |
2596 | /* HBA event queue */ |
2597 | if (phba->sli4_hba.hba_eq) { | |
2598 | for (qidx = 0; qidx < phba->cfg_fcp_io_channel; | |
2599 | qidx++) { | |
2600 | if (phba->sli4_hba.hba_eq[qidx] && | |
2601 | phba->sli4_hba.hba_eq[qidx]->queue_id == | |
2e90f4b5 JS |
2602 | queid) { |
2603 | /* Sanity check */ | |
2604 | rc = lpfc_idiag_que_param_check( | |
67d12733 | 2605 | phba->sli4_hba.hba_eq[qidx], |
86a80846 | 2606 | index, count); |
2e90f4b5 JS |
2607 | if (rc) |
2608 | goto error_out; | |
2609 | idiag.ptr_private = | |
67d12733 | 2610 | phba->sli4_hba.hba_eq[qidx]; |
2e90f4b5 JS |
2611 | goto pass_check; |
2612 | } | |
86a80846 JS |
2613 | } |
2614 | } | |
2615 | goto error_out; | |
2616 | break; | |
2617 | case LPFC_IDIAG_CQ: | |
2618 | /* MBX complete queue */ | |
2e90f4b5 JS |
2619 | if (phba->sli4_hba.mbx_cq && |
2620 | phba->sli4_hba.mbx_cq->queue_id == queid) { | |
86a80846 JS |
2621 | /* Sanity check */ |
2622 | rc = lpfc_idiag_que_param_check( | |
2623 | phba->sli4_hba.mbx_cq, index, count); | |
2624 | if (rc) | |
2625 | goto error_out; | |
2626 | idiag.ptr_private = phba->sli4_hba.mbx_cq; | |
2627 | goto pass_check; | |
2628 | } | |
2629 | /* ELS complete queue */ | |
2e90f4b5 JS |
2630 | if (phba->sli4_hba.els_cq && |
2631 | phba->sli4_hba.els_cq->queue_id == queid) { | |
86a80846 JS |
2632 | /* Sanity check */ |
2633 | rc = lpfc_idiag_que_param_check( | |
2634 | phba->sli4_hba.els_cq, index, count); | |
2635 | if (rc) | |
2636 | goto error_out; | |
2637 | idiag.ptr_private = phba->sli4_hba.els_cq; | |
2638 | goto pass_check; | |
2639 | } | |
2640 | /* FCP complete queue */ | |
2e90f4b5 JS |
2641 | if (phba->sli4_hba.fcp_cq) { |
2642 | qidx = 0; | |
2643 | do { | |
2644 | if (phba->sli4_hba.fcp_cq[qidx] && | |
2645 | phba->sli4_hba.fcp_cq[qidx]->queue_id == | |
2646 | queid) { | |
2647 | /* Sanity check */ | |
2648 | rc = lpfc_idiag_que_param_check( | |
86a80846 JS |
2649 | phba->sli4_hba.fcp_cq[qidx], |
2650 | index, count); | |
2e90f4b5 JS |
2651 | if (rc) |
2652 | goto error_out; | |
2653 | idiag.ptr_private = | |
86a80846 | 2654 | phba->sli4_hba.fcp_cq[qidx]; |
2e90f4b5 JS |
2655 | goto pass_check; |
2656 | } | |
67d12733 | 2657 | } while (++qidx < phba->cfg_fcp_io_channel); |
2e90f4b5 | 2658 | } |
86a80846 JS |
2659 | goto error_out; |
2660 | break; | |
2661 | case LPFC_IDIAG_MQ: | |
2662 | /* MBX work queue */ | |
2e90f4b5 JS |
2663 | if (phba->sli4_hba.mbx_wq && |
2664 | phba->sli4_hba.mbx_wq->queue_id == queid) { | |
86a80846 JS |
2665 | /* Sanity check */ |
2666 | rc = lpfc_idiag_que_param_check( | |
2667 | phba->sli4_hba.mbx_wq, index, count); | |
2668 | if (rc) | |
2669 | goto error_out; | |
2670 | idiag.ptr_private = phba->sli4_hba.mbx_wq; | |
2671 | goto pass_check; | |
2672 | } | |
2e90f4b5 | 2673 | goto error_out; |
86a80846 JS |
2674 | break; |
2675 | case LPFC_IDIAG_WQ: | |
2676 | /* ELS work queue */ | |
2e90f4b5 JS |
2677 | if (phba->sli4_hba.els_wq && |
2678 | phba->sli4_hba.els_wq->queue_id == queid) { | |
86a80846 JS |
2679 | /* Sanity check */ |
2680 | rc = lpfc_idiag_que_param_check( | |
2681 | phba->sli4_hba.els_wq, index, count); | |
2682 | if (rc) | |
2683 | goto error_out; | |
2684 | idiag.ptr_private = phba->sli4_hba.els_wq; | |
2685 | goto pass_check; | |
2686 | } | |
2687 | /* FCP work queue */ | |
2e90f4b5 | 2688 | if (phba->sli4_hba.fcp_wq) { |
67d12733 JS |
2689 | for (qidx = 0; qidx < phba->cfg_fcp_io_channel; |
2690 | qidx++) { | |
2e90f4b5 JS |
2691 | if (!phba->sli4_hba.fcp_wq[qidx]) |
2692 | continue; | |
2693 | if (phba->sli4_hba.fcp_wq[qidx]->queue_id == | |
2694 | queid) { | |
2695 | /* Sanity check */ | |
2696 | rc = lpfc_idiag_que_param_check( | |
86a80846 JS |
2697 | phba->sli4_hba.fcp_wq[qidx], |
2698 | index, count); | |
2e90f4b5 JS |
2699 | if (rc) |
2700 | goto error_out; | |
2701 | idiag.ptr_private = | |
2702 | phba->sli4_hba.fcp_wq[qidx]; | |
2703 | goto pass_check; | |
2704 | } | |
86a80846 JS |
2705 | } |
2706 | } | |
2707 | goto error_out; | |
2708 | break; | |
2709 | case LPFC_IDIAG_RQ: | |
2710 | /* HDR queue */ | |
2e90f4b5 JS |
2711 | if (phba->sli4_hba.hdr_rq && |
2712 | phba->sli4_hba.hdr_rq->queue_id == queid) { | |
86a80846 JS |
2713 | /* Sanity check */ |
2714 | rc = lpfc_idiag_que_param_check( | |
2715 | phba->sli4_hba.hdr_rq, index, count); | |
2716 | if (rc) | |
2717 | goto error_out; | |
2718 | idiag.ptr_private = phba->sli4_hba.hdr_rq; | |
2719 | goto pass_check; | |
2720 | } | |
2721 | /* DAT queue */ | |
2e90f4b5 JS |
2722 | if (phba->sli4_hba.dat_rq && |
2723 | phba->sli4_hba.dat_rq->queue_id == queid) { | |
86a80846 JS |
2724 | /* Sanity check */ |
2725 | rc = lpfc_idiag_que_param_check( | |
2726 | phba->sli4_hba.dat_rq, index, count); | |
2727 | if (rc) | |
2728 | goto error_out; | |
2729 | idiag.ptr_private = phba->sli4_hba.dat_rq; | |
2730 | goto pass_check; | |
2731 | } | |
2732 | goto error_out; | |
2733 | break; | |
2734 | default: | |
2735 | goto error_out; | |
2736 | break; | |
2737 | } | |
2738 | ||
2739 | pass_check: | |
2740 | ||
2741 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) { | |
2742 | if (count == LPFC_QUE_ACC_BROWSE) | |
2743 | idiag.offset.last_rd = index; | |
2744 | } | |
2745 | ||
2746 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR || | |
2747 | idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST || | |
2748 | idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) { | |
2749 | /* Additional sanity checks on write operation */ | |
2750 | pque = (struct lpfc_queue *)idiag.ptr_private; | |
2751 | if (offset > pque->entry_size/sizeof(uint32_t) - 1) | |
2752 | goto error_out; | |
2753 | pentry = pque->qe[index].address; | |
2754 | pentry += offset; | |
2755 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR) | |
2756 | *pentry = value; | |
2757 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST) | |
2758 | *pentry |= value; | |
2759 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) | |
2760 | *pentry &= ~value; | |
2761 | } | |
2762 | return nbytes; | |
2763 | ||
2764 | error_out: | |
2765 | /* Clean out command structure on command error out */ | |
2766 | memset(&idiag, 0, sizeof(idiag)); | |
2767 | return -EINVAL; | |
2768 | } | |
2769 | ||
2770 | /** | |
2771 | * lpfc_idiag_drbacc_read_reg - idiag debugfs read a doorbell register | |
2772 | * @phba: The pointer to hba structure. | |
2773 | * @pbuffer: The pointer to the buffer to copy the data to. | |
2774 | * @len: The lenght of bytes to copied. | |
2775 | * @drbregid: The id to doorbell registers. | |
2776 | * | |
2777 | * Description: | |
2778 | * This routine reads a doorbell register and copies its content to the | |
2779 | * user buffer pointed to by @pbuffer. | |
2780 | * | |
2781 | * Returns: | |
2782 | * This function returns the amount of data that was copied into @pbuffer. | |
2783 | **/ | |
2784 | static int | |
2785 | lpfc_idiag_drbacc_read_reg(struct lpfc_hba *phba, char *pbuffer, | |
2786 | int len, uint32_t drbregid) | |
2787 | { | |
2788 | ||
2789 | if (!pbuffer) | |
2790 | return 0; | |
2791 | ||
2792 | switch (drbregid) { | |
2793 | case LPFC_DRB_EQCQ: | |
2794 | len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len, | |
2795 | "EQCQ-DRB-REG: 0x%08x\n", | |
2796 | readl(phba->sli4_hba.EQCQDBregaddr)); | |
2797 | break; | |
2798 | case LPFC_DRB_MQ: | |
2799 | len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len, | |
2800 | "MQ-DRB-REG: 0x%08x\n", | |
2801 | readl(phba->sli4_hba.MQDBregaddr)); | |
2802 | break; | |
2803 | case LPFC_DRB_WQ: | |
2804 | len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len, | |
2805 | "WQ-DRB-REG: 0x%08x\n", | |
2806 | readl(phba->sli4_hba.WQDBregaddr)); | |
2807 | break; | |
2808 | case LPFC_DRB_RQ: | |
2809 | len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len, | |
2810 | "RQ-DRB-REG: 0x%08x\n", | |
2811 | readl(phba->sli4_hba.RQDBregaddr)); | |
2812 | break; | |
2813 | default: | |
2814 | break; | |
2815 | } | |
2816 | ||
2817 | return len; | |
2818 | } | |
2819 | ||
2820 | /** | |
2821 | * lpfc_idiag_drbacc_read - idiag debugfs read port doorbell | |
2822 | * @file: The file pointer to read from. | |
2823 | * @buf: The buffer to copy the data to. | |
2824 | * @nbytes: The number of bytes to read. | |
2825 | * @ppos: The position in the file to start reading from. | |
2826 | * | |
2827 | * Description: | |
2828 | * This routine reads data from the @phba device doorbell register according | |
2829 | * to the idiag command, and copies to user @buf. Depending on the doorbell | |
2830 | * register read command setup, it does either a single doorbell register | |
2831 | * read or dump all doorbell registers. | |
2832 | * | |
2833 | * Returns: | |
2834 | * This function returns the amount of data that was read (this could be less | |
2835 | * than @nbytes if the end of the file was reached) or a negative error value. | |
2836 | **/ | |
2837 | static ssize_t | |
2838 | lpfc_idiag_drbacc_read(struct file *file, char __user *buf, size_t nbytes, | |
2839 | loff_t *ppos) | |
2840 | { | |
2841 | struct lpfc_debug *debug = file->private_data; | |
2842 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
2843 | uint32_t drb_reg_id, i; | |
2844 | char *pbuffer; | |
2845 | int len = 0; | |
2846 | ||
2847 | /* This is a user read operation */ | |
2848 | debug->op = LPFC_IDIAG_OP_RD; | |
2849 | ||
2850 | if (!debug->buffer) | |
2851 | debug->buffer = kmalloc(LPFC_DRB_ACC_BUF_SIZE, GFP_KERNEL); | |
2852 | if (!debug->buffer) | |
2853 | return 0; | |
2854 | pbuffer = debug->buffer; | |
2855 | ||
2856 | if (*ppos) | |
2857 | return 0; | |
2858 | ||
2859 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD) | |
b76f2dc9 | 2860 | drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX]; |
86a80846 JS |
2861 | else |
2862 | return 0; | |
2863 | ||
2864 | if (drb_reg_id == LPFC_DRB_ACC_ALL) | |
2865 | for (i = 1; i <= LPFC_DRB_MAX; i++) | |
2866 | len = lpfc_idiag_drbacc_read_reg(phba, | |
2867 | pbuffer, len, i); | |
2868 | else | |
2869 | len = lpfc_idiag_drbacc_read_reg(phba, | |
2870 | pbuffer, len, drb_reg_id); | |
2871 | ||
2872 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
2873 | } | |
2874 | ||
2875 | /** | |
2876 | * lpfc_idiag_drbacc_write - Syntax check and set up idiag drbacc commands | |
2877 | * @file: The file pointer to read from. | |
2878 | * @buf: The buffer to copy the user data from. | |
2879 | * @nbytes: The number of bytes to get. | |
2880 | * @ppos: The position in the file to start reading from. | |
2881 | * | |
2882 | * This routine get the debugfs idiag command struct from user space and then | |
2883 | * perform the syntax check for port doorbell register read (dump) or write | |
2884 | * (set) command accordingly. In the case of port queue read command, it sets | |
2885 | * up the command in the idiag command struct for the following debugfs read | |
2886 | * operation. In the case of port doorbell register write operation, it | |
2887 | * executes the write operation into the port doorbell register accordingly. | |
2888 | * | |
2889 | * It returns the @nbytges passing in from debugfs user space when successful. | |
2890 | * In case of error conditions, it returns proper error code back to the user | |
2891 | * space. | |
2892 | **/ | |
2893 | static ssize_t | |
2894 | lpfc_idiag_drbacc_write(struct file *file, const char __user *buf, | |
2895 | size_t nbytes, loff_t *ppos) | |
2896 | { | |
2897 | struct lpfc_debug *debug = file->private_data; | |
2898 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
b76f2dc9 | 2899 | uint32_t drb_reg_id, value, reg_val = 0; |
86a80846 JS |
2900 | void __iomem *drb_reg; |
2901 | int rc; | |
2902 | ||
2903 | /* This is a user write operation */ | |
2904 | debug->op = LPFC_IDIAG_OP_WR; | |
2905 | ||
2906 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
2907 | if (rc < 0) | |
2908 | return rc; | |
2909 | ||
2910 | /* Sanity check on command line arguments */ | |
b76f2dc9 JS |
2911 | drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX]; |
2912 | value = idiag.cmd.data[IDIAG_DRBACC_VALUE_INDX]; | |
86a80846 JS |
2913 | |
2914 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR || | |
2915 | idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST || | |
2916 | idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) { | |
2917 | if (rc != LPFC_DRB_ACC_WR_CMD_ARG) | |
2918 | goto error_out; | |
2919 | if (drb_reg_id > LPFC_DRB_MAX) | |
2920 | goto error_out; | |
2921 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD) { | |
2922 | if (rc != LPFC_DRB_ACC_RD_CMD_ARG) | |
2923 | goto error_out; | |
2924 | if ((drb_reg_id > LPFC_DRB_MAX) && | |
2925 | (drb_reg_id != LPFC_DRB_ACC_ALL)) | |
2926 | goto error_out; | |
2927 | } else | |
2928 | goto error_out; | |
2929 | ||
2930 | /* Perform the write access operation */ | |
2931 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR || | |
2932 | idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST || | |
2933 | idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) { | |
2934 | switch (drb_reg_id) { | |
2935 | case LPFC_DRB_EQCQ: | |
2936 | drb_reg = phba->sli4_hba.EQCQDBregaddr; | |
2937 | break; | |
2938 | case LPFC_DRB_MQ: | |
2939 | drb_reg = phba->sli4_hba.MQDBregaddr; | |
2940 | break; | |
2941 | case LPFC_DRB_WQ: | |
2942 | drb_reg = phba->sli4_hba.WQDBregaddr; | |
2943 | break; | |
2944 | case LPFC_DRB_RQ: | |
2945 | drb_reg = phba->sli4_hba.RQDBregaddr; | |
2946 | break; | |
2947 | default: | |
2948 | goto error_out; | |
2949 | } | |
2950 | ||
2951 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR) | |
2952 | reg_val = value; | |
2953 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST) { | |
2954 | reg_val = readl(drb_reg); | |
2955 | reg_val |= value; | |
2956 | } | |
2957 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) { | |
2958 | reg_val = readl(drb_reg); | |
2959 | reg_val &= ~value; | |
2960 | } | |
2961 | writel(reg_val, drb_reg); | |
2962 | readl(drb_reg); /* flush */ | |
2963 | } | |
2964 | return nbytes; | |
2965 | ||
2966 | error_out: | |
2967 | /* Clean out command structure on command error out */ | |
2968 | memset(&idiag, 0, sizeof(idiag)); | |
2969 | return -EINVAL; | |
2970 | } | |
2971 | ||
b76f2dc9 JS |
2972 | /** |
2973 | * lpfc_idiag_ctlacc_read_reg - idiag debugfs read a control registers | |
2974 | * @phba: The pointer to hba structure. | |
2975 | * @pbuffer: The pointer to the buffer to copy the data to. | |
2976 | * @len: The lenght of bytes to copied. | |
2977 | * @drbregid: The id to doorbell registers. | |
2978 | * | |
2979 | * Description: | |
2980 | * This routine reads a control register and copies its content to the | |
2981 | * user buffer pointed to by @pbuffer. | |
2982 | * | |
2983 | * Returns: | |
2984 | * This function returns the amount of data that was copied into @pbuffer. | |
2985 | **/ | |
2986 | static int | |
2987 | lpfc_idiag_ctlacc_read_reg(struct lpfc_hba *phba, char *pbuffer, | |
2988 | int len, uint32_t ctlregid) | |
2989 | { | |
858c9f6c | 2990 | |
b76f2dc9 JS |
2991 | if (!pbuffer) |
2992 | return 0; | |
858c9f6c | 2993 | |
b76f2dc9 JS |
2994 | switch (ctlregid) { |
2995 | case LPFC_CTL_PORT_SEM: | |
2996 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
2997 | "Port SemReg: 0x%08x\n", | |
2998 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
2999 | LPFC_CTL_PORT_SEM_OFFSET)); | |
3000 | break; | |
3001 | case LPFC_CTL_PORT_STA: | |
3002 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
3003 | "Port StaReg: 0x%08x\n", | |
3004 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
3005 | LPFC_CTL_PORT_STA_OFFSET)); | |
3006 | break; | |
3007 | case LPFC_CTL_PORT_CTL: | |
3008 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
3009 | "Port CtlReg: 0x%08x\n", | |
3010 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
3011 | LPFC_CTL_PORT_CTL_OFFSET)); | |
3012 | break; | |
3013 | case LPFC_CTL_PORT_ER1: | |
3014 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
3015 | "Port Er1Reg: 0x%08x\n", | |
3016 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
3017 | LPFC_CTL_PORT_ER1_OFFSET)); | |
3018 | break; | |
3019 | case LPFC_CTL_PORT_ER2: | |
3020 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
3021 | "Port Er2Reg: 0x%08x\n", | |
3022 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
3023 | LPFC_CTL_PORT_ER2_OFFSET)); | |
3024 | break; | |
3025 | case LPFC_CTL_PDEV_CTL: | |
3026 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
3027 | "PDev CtlReg: 0x%08x\n", | |
3028 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
3029 | LPFC_CTL_PDEV_CTL_OFFSET)); | |
3030 | break; | |
3031 | default: | |
3032 | break; | |
3033 | } | |
3034 | return len; | |
3035 | } | |
78b2d852 | 3036 | |
b76f2dc9 JS |
3037 | /** |
3038 | * lpfc_idiag_ctlacc_read - idiag debugfs read port and device control register | |
3039 | * @file: The file pointer to read from. | |
3040 | * @buf: The buffer to copy the data to. | |
3041 | * @nbytes: The number of bytes to read. | |
3042 | * @ppos: The position in the file to start reading from. | |
3043 | * | |
3044 | * Description: | |
3045 | * This routine reads data from the @phba port and device registers according | |
3046 | * to the idiag command, and copies to user @buf. | |
3047 | * | |
3048 | * Returns: | |
3049 | * This function returns the amount of data that was read (this could be less | |
3050 | * than @nbytes if the end of the file was reached) or a negative error value. | |
3051 | **/ | |
3052 | static ssize_t | |
3053 | lpfc_idiag_ctlacc_read(struct file *file, char __user *buf, size_t nbytes, | |
3054 | loff_t *ppos) | |
3055 | { | |
3056 | struct lpfc_debug *debug = file->private_data; | |
3057 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
3058 | uint32_t ctl_reg_id, i; | |
3059 | char *pbuffer; | |
3060 | int len = 0; | |
c95d6c6c | 3061 | |
b76f2dc9 JS |
3062 | /* This is a user read operation */ |
3063 | debug->op = LPFC_IDIAG_OP_RD; | |
a58cbd52 | 3064 | |
b76f2dc9 JS |
3065 | if (!debug->buffer) |
3066 | debug->buffer = kmalloc(LPFC_CTL_ACC_BUF_SIZE, GFP_KERNEL); | |
3067 | if (!debug->buffer) | |
3068 | return 0; | |
3069 | pbuffer = debug->buffer; | |
e2a0a9d6 | 3070 | |
b76f2dc9 JS |
3071 | if (*ppos) |
3072 | return 0; | |
3073 | ||
3074 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD) | |
3075 | ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX]; | |
3076 | else | |
3077 | return 0; | |
3078 | ||
3079 | if (ctl_reg_id == LPFC_CTL_ACC_ALL) | |
3080 | for (i = 1; i <= LPFC_CTL_MAX; i++) | |
3081 | len = lpfc_idiag_ctlacc_read_reg(phba, | |
3082 | pbuffer, len, i); | |
3083 | else | |
3084 | len = lpfc_idiag_ctlacc_read_reg(phba, | |
3085 | pbuffer, len, ctl_reg_id); | |
3086 | ||
3087 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
3088 | } | |
3089 | ||
3090 | /** | |
3091 | * lpfc_idiag_ctlacc_write - Syntax check and set up idiag ctlacc commands | |
3092 | * @file: The file pointer to read from. | |
3093 | * @buf: The buffer to copy the user data from. | |
3094 | * @nbytes: The number of bytes to get. | |
3095 | * @ppos: The position in the file to start reading from. | |
3096 | * | |
3097 | * This routine get the debugfs idiag command struct from user space and then | |
3098 | * perform the syntax check for port and device control register read (dump) | |
3099 | * or write (set) command accordingly. | |
3100 | * | |
3101 | * It returns the @nbytges passing in from debugfs user space when successful. | |
3102 | * In case of error conditions, it returns proper error code back to the user | |
3103 | * space. | |
3104 | **/ | |
3105 | static ssize_t | |
3106 | lpfc_idiag_ctlacc_write(struct file *file, const char __user *buf, | |
3107 | size_t nbytes, loff_t *ppos) | |
3108 | { | |
3109 | struct lpfc_debug *debug = file->private_data; | |
3110 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
3111 | uint32_t ctl_reg_id, value, reg_val = 0; | |
3112 | void __iomem *ctl_reg; | |
3113 | int rc; | |
3114 | ||
3115 | /* This is a user write operation */ | |
3116 | debug->op = LPFC_IDIAG_OP_WR; | |
3117 | ||
3118 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
3119 | if (rc < 0) | |
3120 | return rc; | |
3121 | ||
3122 | /* Sanity check on command line arguments */ | |
3123 | ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX]; | |
3124 | value = idiag.cmd.data[IDIAG_CTLACC_VALUE_INDX]; | |
3125 | ||
3126 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR || | |
3127 | idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST || | |
3128 | idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) { | |
3129 | if (rc != LPFC_CTL_ACC_WR_CMD_ARG) | |
3130 | goto error_out; | |
3131 | if (ctl_reg_id > LPFC_CTL_MAX) | |
3132 | goto error_out; | |
3133 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD) { | |
3134 | if (rc != LPFC_CTL_ACC_RD_CMD_ARG) | |
3135 | goto error_out; | |
3136 | if ((ctl_reg_id > LPFC_CTL_MAX) && | |
3137 | (ctl_reg_id != LPFC_CTL_ACC_ALL)) | |
3138 | goto error_out; | |
3139 | } else | |
3140 | goto error_out; | |
3141 | ||
3142 | /* Perform the write access operation */ | |
3143 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR || | |
3144 | idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST || | |
3145 | idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) { | |
3146 | switch (ctl_reg_id) { | |
3147 | case LPFC_CTL_PORT_SEM: | |
3148 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
3149 | LPFC_CTL_PORT_SEM_OFFSET; | |
3150 | break; | |
3151 | case LPFC_CTL_PORT_STA: | |
3152 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
3153 | LPFC_CTL_PORT_STA_OFFSET; | |
3154 | break; | |
3155 | case LPFC_CTL_PORT_CTL: | |
3156 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
3157 | LPFC_CTL_PORT_CTL_OFFSET; | |
3158 | break; | |
3159 | case LPFC_CTL_PORT_ER1: | |
3160 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
3161 | LPFC_CTL_PORT_ER1_OFFSET; | |
3162 | break; | |
3163 | case LPFC_CTL_PORT_ER2: | |
3164 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
3165 | LPFC_CTL_PORT_ER2_OFFSET; | |
3166 | break; | |
3167 | case LPFC_CTL_PDEV_CTL: | |
3168 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
3169 | LPFC_CTL_PDEV_CTL_OFFSET; | |
3170 | break; | |
3171 | default: | |
3172 | goto error_out; | |
3173 | } | |
3174 | ||
3175 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR) | |
3176 | reg_val = value; | |
3177 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST) { | |
3178 | reg_val = readl(ctl_reg); | |
3179 | reg_val |= value; | |
3180 | } | |
3181 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) { | |
3182 | reg_val = readl(ctl_reg); | |
3183 | reg_val &= ~value; | |
3184 | } | |
3185 | writel(reg_val, ctl_reg); | |
3186 | readl(ctl_reg); /* flush */ | |
3187 | } | |
3188 | return nbytes; | |
3189 | ||
3190 | error_out: | |
3191 | /* Clean out command structure on command error out */ | |
3192 | memset(&idiag, 0, sizeof(idiag)); | |
3193 | return -EINVAL; | |
3194 | } | |
3195 | ||
3196 | /** | |
3197 | * lpfc_idiag_mbxacc_get_setup - idiag debugfs get mailbox access setup | |
3198 | * @phba: Pointer to HBA context object. | |
3199 | * @pbuffer: Pointer to data buffer. | |
3200 | * | |
3201 | * Description: | |
3202 | * This routine gets the driver mailbox access debugfs setup information. | |
3203 | * | |
3204 | * Returns: | |
3205 | * This function returns the amount of data that was read (this could be less | |
3206 | * than @nbytes if the end of the file was reached) or a negative error value. | |
3207 | **/ | |
3208 | static int | |
3209 | lpfc_idiag_mbxacc_get_setup(struct lpfc_hba *phba, char *pbuffer) | |
3210 | { | |
3211 | uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd; | |
3212 | int len = 0; | |
3213 | ||
3214 | mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX]; | |
3215 | mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX]; | |
3216 | mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX]; | |
3217 | mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX]; | |
3218 | ||
3219 | len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len, | |
3220 | "mbx_dump_map: 0x%08x\n", mbx_dump_map); | |
3221 | len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len, | |
3222 | "mbx_dump_cnt: %04d\n", mbx_dump_cnt); | |
3223 | len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len, | |
3224 | "mbx_word_cnt: %04d\n", mbx_word_cnt); | |
3225 | len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len, | |
3226 | "mbx_mbox_cmd: 0x%02x\n", mbx_mbox_cmd); | |
3227 | ||
3228 | return len; | |
3229 | } | |
3230 | ||
3231 | /** | |
3232 | * lpfc_idiag_mbxacc_read - idiag debugfs read on mailbox access | |
3233 | * @file: The file pointer to read from. | |
3234 | * @buf: The buffer to copy the data to. | |
3235 | * @nbytes: The number of bytes to read. | |
3236 | * @ppos: The position in the file to start reading from. | |
3237 | * | |
3238 | * Description: | |
3239 | * This routine reads data from the @phba driver mailbox access debugfs setup | |
3240 | * information. | |
3241 | * | |
3242 | * Returns: | |
3243 | * This function returns the amount of data that was read (this could be less | |
3244 | * than @nbytes if the end of the file was reached) or a negative error value. | |
3245 | **/ | |
3246 | static ssize_t | |
3247 | lpfc_idiag_mbxacc_read(struct file *file, char __user *buf, size_t nbytes, | |
3248 | loff_t *ppos) | |
3249 | { | |
3250 | struct lpfc_debug *debug = file->private_data; | |
3251 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
3252 | char *pbuffer; | |
3253 | int len = 0; | |
3254 | ||
3255 | /* This is a user read operation */ | |
3256 | debug->op = LPFC_IDIAG_OP_RD; | |
3257 | ||
3258 | if (!debug->buffer) | |
3259 | debug->buffer = kmalloc(LPFC_MBX_ACC_BUF_SIZE, GFP_KERNEL); | |
3260 | if (!debug->buffer) | |
3261 | return 0; | |
3262 | pbuffer = debug->buffer; | |
3263 | ||
3264 | if (*ppos) | |
3265 | return 0; | |
3266 | ||
3267 | if ((idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP) && | |
3268 | (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP)) | |
3269 | return 0; | |
3270 | ||
3271 | len = lpfc_idiag_mbxacc_get_setup(phba, pbuffer); | |
3272 | ||
3273 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
3274 | } | |
3275 | ||
3276 | /** | |
3277 | * lpfc_idiag_mbxacc_write - Syntax check and set up idiag mbxacc commands | |
3278 | * @file: The file pointer to read from. | |
3279 | * @buf: The buffer to copy the user data from. | |
3280 | * @nbytes: The number of bytes to get. | |
3281 | * @ppos: The position in the file to start reading from. | |
3282 | * | |
3283 | * This routine get the debugfs idiag command struct from user space and then | |
3284 | * perform the syntax check for driver mailbox command (dump) and sets up the | |
3285 | * necessary states in the idiag command struct accordingly. | |
3286 | * | |
3287 | * It returns the @nbytges passing in from debugfs user space when successful. | |
3288 | * In case of error conditions, it returns proper error code back to the user | |
3289 | * space. | |
3290 | **/ | |
3291 | static ssize_t | |
3292 | lpfc_idiag_mbxacc_write(struct file *file, const char __user *buf, | |
3293 | size_t nbytes, loff_t *ppos) | |
3294 | { | |
3295 | struct lpfc_debug *debug = file->private_data; | |
3296 | uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd; | |
3297 | int rc; | |
3298 | ||
3299 | /* This is a user write operation */ | |
3300 | debug->op = LPFC_IDIAG_OP_WR; | |
3301 | ||
3302 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
3303 | if (rc < 0) | |
3304 | return rc; | |
3305 | ||
3306 | /* Sanity check on command line arguments */ | |
3307 | mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX]; | |
3308 | mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX]; | |
3309 | mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX]; | |
3310 | mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX]; | |
3311 | ||
3312 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_MBXACC_DP) { | |
3313 | if (!(mbx_dump_map & LPFC_MBX_DMP_MBX_ALL)) | |
3314 | goto error_out; | |
3315 | if ((mbx_dump_map & ~LPFC_MBX_DMP_MBX_ALL) && | |
3316 | (mbx_dump_map != LPFC_MBX_DMP_ALL)) | |
3317 | goto error_out; | |
3318 | if (mbx_word_cnt > sizeof(MAILBOX_t)) | |
3319 | goto error_out; | |
3320 | } else if (idiag.cmd.opcode == LPFC_IDIAG_BSG_MBXACC_DP) { | |
3321 | if (!(mbx_dump_map & LPFC_BSG_DMP_MBX_ALL)) | |
3322 | goto error_out; | |
3323 | if ((mbx_dump_map & ~LPFC_BSG_DMP_MBX_ALL) && | |
3324 | (mbx_dump_map != LPFC_MBX_DMP_ALL)) | |
3325 | goto error_out; | |
3326 | if (mbx_word_cnt > (BSG_MBOX_SIZE)/4) | |
3327 | goto error_out; | |
3328 | if (mbx_mbox_cmd != 0x9b) | |
3329 | goto error_out; | |
3330 | } else | |
3331 | goto error_out; | |
3332 | ||
3333 | if (mbx_word_cnt == 0) | |
3334 | goto error_out; | |
3335 | if (rc != LPFC_MBX_DMP_ARG) | |
3336 | goto error_out; | |
3337 | if (mbx_mbox_cmd & ~0xff) | |
3338 | goto error_out; | |
3339 | ||
3340 | /* condition for stop mailbox dump */ | |
3341 | if (mbx_dump_cnt == 0) | |
3342 | goto reset_out; | |
3343 | ||
3344 | return nbytes; | |
3345 | ||
3346 | reset_out: | |
3347 | /* Clean out command structure on command error out */ | |
3348 | memset(&idiag, 0, sizeof(idiag)); | |
3349 | return nbytes; | |
3350 | ||
3351 | error_out: | |
3352 | /* Clean out command structure on command error out */ | |
3353 | memset(&idiag, 0, sizeof(idiag)); | |
3354 | return -EINVAL; | |
3355 | } | |
3356 | ||
3357 | /** | |
3358 | * lpfc_idiag_extacc_avail_get - get the available extents information | |
3359 | * @phba: pointer to lpfc hba data structure. | |
3360 | * @pbuffer: pointer to internal buffer. | |
3361 | * @len: length into the internal buffer data has been copied. | |
3362 | * | |
3363 | * Description: | |
3364 | * This routine is to get the available extent information. | |
3365 | * | |
3366 | * Returns: | |
3367 | * overall lenth of the data read into the internal buffer. | |
3368 | **/ | |
3369 | static int | |
3370 | lpfc_idiag_extacc_avail_get(struct lpfc_hba *phba, char *pbuffer, int len) | |
3371 | { | |
3372 | uint16_t ext_cnt, ext_size; | |
3373 | ||
3374 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3375 | "\nAvailable Extents Information:\n"); | |
3376 | ||
3377 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3378 | "\tPort Available VPI extents: "); | |
3379 | lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VPI, | |
3380 | &ext_cnt, &ext_size); | |
3381 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3382 | "Count %3d, Size %3d\n", ext_cnt, ext_size); | |
3383 | ||
3384 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3385 | "\tPort Available VFI extents: "); | |
3386 | lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VFI, | |
3387 | &ext_cnt, &ext_size); | |
3388 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3389 | "Count %3d, Size %3d\n", ext_cnt, ext_size); | |
3390 | ||
3391 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3392 | "\tPort Available RPI extents: "); | |
3393 | lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_RPI, | |
3394 | &ext_cnt, &ext_size); | |
3395 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3396 | "Count %3d, Size %3d\n", ext_cnt, ext_size); | |
3397 | ||
3398 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3399 | "\tPort Available XRI extents: "); | |
3400 | lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_XRI, | |
3401 | &ext_cnt, &ext_size); | |
3402 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3403 | "Count %3d, Size %3d\n", ext_cnt, ext_size); | |
3404 | ||
3405 | return len; | |
3406 | } | |
3407 | ||
3408 | /** | |
3409 | * lpfc_idiag_extacc_alloc_get - get the allocated extents information | |
3410 | * @phba: pointer to lpfc hba data structure. | |
3411 | * @pbuffer: pointer to internal buffer. | |
3412 | * @len: length into the internal buffer data has been copied. | |
3413 | * | |
3414 | * Description: | |
3415 | * This routine is to get the allocated extent information. | |
3416 | * | |
3417 | * Returns: | |
3418 | * overall lenth of the data read into the internal buffer. | |
3419 | **/ | |
3420 | static int | |
3421 | lpfc_idiag_extacc_alloc_get(struct lpfc_hba *phba, char *pbuffer, int len) | |
3422 | { | |
3423 | uint16_t ext_cnt, ext_size; | |
3424 | int rc; | |
3425 | ||
3426 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3427 | "\nAllocated Extents Information:\n"); | |
3428 | ||
3429 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3430 | "\tHost Allocated VPI extents: "); | |
3431 | rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VPI, | |
3432 | &ext_cnt, &ext_size); | |
3433 | if (!rc) | |
3434 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3435 | "Port %d Extent %3d, Size %3d\n", | |
3436 | phba->brd_no, ext_cnt, ext_size); | |
3437 | else | |
3438 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3439 | "N/A\n"); | |
3440 | ||
3441 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3442 | "\tHost Allocated VFI extents: "); | |
3443 | rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VFI, | |
3444 | &ext_cnt, &ext_size); | |
3445 | if (!rc) | |
3446 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3447 | "Port %d Extent %3d, Size %3d\n", | |
3448 | phba->brd_no, ext_cnt, ext_size); | |
3449 | else | |
3450 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3451 | "N/A\n"); | |
3452 | ||
3453 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3454 | "\tHost Allocated RPI extents: "); | |
3455 | rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_RPI, | |
3456 | &ext_cnt, &ext_size); | |
3457 | if (!rc) | |
3458 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3459 | "Port %d Extent %3d, Size %3d\n", | |
3460 | phba->brd_no, ext_cnt, ext_size); | |
3461 | else | |
3462 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3463 | "N/A\n"); | |
3464 | ||
3465 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3466 | "\tHost Allocated XRI extents: "); | |
3467 | rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_XRI, | |
3468 | &ext_cnt, &ext_size); | |
3469 | if (!rc) | |
3470 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3471 | "Port %d Extent %3d, Size %3d\n", | |
3472 | phba->brd_no, ext_cnt, ext_size); | |
3473 | else | |
3474 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3475 | "N/A\n"); | |
3476 | ||
3477 | return len; | |
3478 | } | |
3479 | ||
3480 | /** | |
3481 | * lpfc_idiag_extacc_drivr_get - get driver extent information | |
3482 | * @phba: pointer to lpfc hba data structure. | |
3483 | * @pbuffer: pointer to internal buffer. | |
3484 | * @len: length into the internal buffer data has been copied. | |
3485 | * | |
3486 | * Description: | |
3487 | * This routine is to get the driver extent information. | |
3488 | * | |
3489 | * Returns: | |
3490 | * overall lenth of the data read into the internal buffer. | |
3491 | **/ | |
3492 | static int | |
3493 | lpfc_idiag_extacc_drivr_get(struct lpfc_hba *phba, char *pbuffer, int len) | |
3494 | { | |
3495 | struct lpfc_rsrc_blks *rsrc_blks; | |
3496 | int index; | |
3497 | ||
3498 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3499 | "\nDriver Extents Information:\n"); | |
3500 | ||
3501 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3502 | "\tVPI extents:\n"); | |
3503 | index = 0; | |
3504 | list_for_each_entry(rsrc_blks, &phba->lpfc_vpi_blk_list, list) { | |
3505 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3506 | "\t\tBlock %3d: Start %4d, Count %4d\n", | |
3507 | index, rsrc_blks->rsrc_start, | |
3508 | rsrc_blks->rsrc_size); | |
3509 | index++; | |
3510 | } | |
3511 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3512 | "\tVFI extents:\n"); | |
3513 | index = 0; | |
3514 | list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_vfi_blk_list, | |
3515 | list) { | |
3516 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3517 | "\t\tBlock %3d: Start %4d, Count %4d\n", | |
3518 | index, rsrc_blks->rsrc_start, | |
3519 | rsrc_blks->rsrc_size); | |
3520 | index++; | |
3521 | } | |
3522 | ||
3523 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3524 | "\tRPI extents:\n"); | |
3525 | index = 0; | |
3526 | list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_rpi_blk_list, | |
3527 | list) { | |
3528 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3529 | "\t\tBlock %3d: Start %4d, Count %4d\n", | |
3530 | index, rsrc_blks->rsrc_start, | |
3531 | rsrc_blks->rsrc_size); | |
3532 | index++; | |
3533 | } | |
3534 | ||
3535 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3536 | "\tXRI extents:\n"); | |
3537 | index = 0; | |
3538 | list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_xri_blk_list, | |
3539 | list) { | |
3540 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3541 | "\t\tBlock %3d: Start %4d, Count %4d\n", | |
3542 | index, rsrc_blks->rsrc_start, | |
3543 | rsrc_blks->rsrc_size); | |
3544 | index++; | |
3545 | } | |
3546 | ||
3547 | return len; | |
3548 | } | |
3549 | ||
3550 | /** | |
3551 | * lpfc_idiag_extacc_write - Syntax check and set up idiag extacc commands | |
3552 | * @file: The file pointer to read from. | |
3553 | * @buf: The buffer to copy the user data from. | |
3554 | * @nbytes: The number of bytes to get. | |
3555 | * @ppos: The position in the file to start reading from. | |
3556 | * | |
3557 | * This routine get the debugfs idiag command struct from user space and then | |
3558 | * perform the syntax check for extent information access commands and sets | |
3559 | * up the necessary states in the idiag command struct accordingly. | |
3560 | * | |
3561 | * It returns the @nbytges passing in from debugfs user space when successful. | |
3562 | * In case of error conditions, it returns proper error code back to the user | |
3563 | * space. | |
3564 | **/ | |
3565 | static ssize_t | |
3566 | lpfc_idiag_extacc_write(struct file *file, const char __user *buf, | |
3567 | size_t nbytes, loff_t *ppos) | |
3568 | { | |
3569 | struct lpfc_debug *debug = file->private_data; | |
3570 | uint32_t ext_map; | |
3571 | int rc; | |
3572 | ||
3573 | /* This is a user write operation */ | |
3574 | debug->op = LPFC_IDIAG_OP_WR; | |
3575 | ||
3576 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
3577 | if (rc < 0) | |
3578 | return rc; | |
3579 | ||
3580 | ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX]; | |
3581 | ||
3582 | if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD) | |
3583 | goto error_out; | |
3584 | if (rc != LPFC_EXT_ACC_CMD_ARG) | |
3585 | goto error_out; | |
3586 | if (!(ext_map & LPFC_EXT_ACC_ALL)) | |
3587 | goto error_out; | |
3588 | ||
3589 | return nbytes; | |
3590 | error_out: | |
3591 | /* Clean out command structure on command error out */ | |
3592 | memset(&idiag, 0, sizeof(idiag)); | |
3593 | return -EINVAL; | |
3594 | } | |
3595 | ||
3596 | /** | |
3597 | * lpfc_idiag_extacc_read - idiag debugfs read access to extent information | |
3598 | * @file: The file pointer to read from. | |
3599 | * @buf: The buffer to copy the data to. | |
3600 | * @nbytes: The number of bytes to read. | |
3601 | * @ppos: The position in the file to start reading from. | |
3602 | * | |
3603 | * Description: | |
3604 | * This routine reads data from the proper extent information according to | |
3605 | * the idiag command, and copies to user @buf. | |
3606 | * | |
3607 | * Returns: | |
3608 | * This function returns the amount of data that was read (this could be less | |
3609 | * than @nbytes if the end of the file was reached) or a negative error value. | |
3610 | **/ | |
3611 | static ssize_t | |
3612 | lpfc_idiag_extacc_read(struct file *file, char __user *buf, size_t nbytes, | |
3613 | loff_t *ppos) | |
3614 | { | |
3615 | struct lpfc_debug *debug = file->private_data; | |
3616 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
3617 | char *pbuffer; | |
3618 | uint32_t ext_map; | |
3619 | int len = 0; | |
3620 | ||
3621 | /* This is a user read operation */ | |
3622 | debug->op = LPFC_IDIAG_OP_RD; | |
3623 | ||
3624 | if (!debug->buffer) | |
3625 | debug->buffer = kmalloc(LPFC_EXT_ACC_BUF_SIZE, GFP_KERNEL); | |
3626 | if (!debug->buffer) | |
3627 | return 0; | |
3628 | pbuffer = debug->buffer; | |
3629 | if (*ppos) | |
3630 | return 0; | |
3631 | if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD) | |
3632 | return 0; | |
3633 | ||
3634 | ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX]; | |
3635 | if (ext_map & LPFC_EXT_ACC_AVAIL) | |
3636 | len = lpfc_idiag_extacc_avail_get(phba, pbuffer, len); | |
3637 | if (ext_map & LPFC_EXT_ACC_ALLOC) | |
3638 | len = lpfc_idiag_extacc_alloc_get(phba, pbuffer, len); | |
3639 | if (ext_map & LPFC_EXT_ACC_DRIVR) | |
3640 | len = lpfc_idiag_extacc_drivr_get(phba, pbuffer, len); | |
3641 | ||
3642 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
3643 | } | |
3644 | ||
3645 | #undef lpfc_debugfs_op_disc_trc | |
3646 | static const struct file_operations lpfc_debugfs_op_disc_trc = { | |
3647 | .owner = THIS_MODULE, | |
3648 | .open = lpfc_debugfs_disc_trc_open, | |
3649 | .llseek = lpfc_debugfs_lseek, | |
3650 | .read = lpfc_debugfs_read, | |
3651 | .release = lpfc_debugfs_release, | |
3652 | }; | |
3653 | ||
3654 | #undef lpfc_debugfs_op_nodelist | |
3655 | static const struct file_operations lpfc_debugfs_op_nodelist = { | |
3656 | .owner = THIS_MODULE, | |
3657 | .open = lpfc_debugfs_nodelist_open, | |
3658 | .llseek = lpfc_debugfs_lseek, | |
3659 | .read = lpfc_debugfs_read, | |
3660 | .release = lpfc_debugfs_release, | |
3661 | }; | |
3662 | ||
3663 | #undef lpfc_debugfs_op_hbqinfo | |
3664 | static const struct file_operations lpfc_debugfs_op_hbqinfo = { | |
3665 | .owner = THIS_MODULE, | |
3666 | .open = lpfc_debugfs_hbqinfo_open, | |
3667 | .llseek = lpfc_debugfs_lseek, | |
3668 | .read = lpfc_debugfs_read, | |
3669 | .release = lpfc_debugfs_release, | |
3670 | }; | |
3671 | ||
3672 | #undef lpfc_debugfs_op_dumpHBASlim | |
3673 | static const struct file_operations lpfc_debugfs_op_dumpHBASlim = { | |
3674 | .owner = THIS_MODULE, | |
3675 | .open = lpfc_debugfs_dumpHBASlim_open, | |
3676 | .llseek = lpfc_debugfs_lseek, | |
3677 | .read = lpfc_debugfs_read, | |
3678 | .release = lpfc_debugfs_release, | |
3679 | }; | |
3680 | ||
3681 | #undef lpfc_debugfs_op_dumpHostSlim | |
3682 | static const struct file_operations lpfc_debugfs_op_dumpHostSlim = { | |
3683 | .owner = THIS_MODULE, | |
3684 | .open = lpfc_debugfs_dumpHostSlim_open, | |
3685 | .llseek = lpfc_debugfs_lseek, | |
3686 | .read = lpfc_debugfs_read, | |
3687 | .release = lpfc_debugfs_release, | |
3688 | }; | |
3689 | ||
3690 | #undef lpfc_debugfs_op_dumpData | |
3691 | static const struct file_operations lpfc_debugfs_op_dumpData = { | |
3692 | .owner = THIS_MODULE, | |
3693 | .open = lpfc_debugfs_dumpData_open, | |
3694 | .llseek = lpfc_debugfs_lseek, | |
3695 | .read = lpfc_debugfs_read, | |
3696 | .write = lpfc_debugfs_dumpDataDif_write, | |
3697 | .release = lpfc_debugfs_dumpDataDif_release, | |
3698 | }; | |
3699 | ||
3700 | #undef lpfc_debugfs_op_dumpDif | |
3701 | static const struct file_operations lpfc_debugfs_op_dumpDif = { | |
e2a0a9d6 JS |
3702 | .owner = THIS_MODULE, |
3703 | .open = lpfc_debugfs_dumpDif_open, | |
3704 | .llseek = lpfc_debugfs_lseek, | |
3705 | .read = lpfc_debugfs_read, | |
3706 | .write = lpfc_debugfs_dumpDataDif_write, | |
3707 | .release = lpfc_debugfs_dumpDataDif_release, | |
3708 | }; | |
3709 | ||
f9bb2da1 JS |
3710 | #undef lpfc_debugfs_op_dif_err |
3711 | static const struct file_operations lpfc_debugfs_op_dif_err = { | |
3712 | .owner = THIS_MODULE, | |
234e3405 | 3713 | .open = simple_open, |
f9bb2da1 JS |
3714 | .llseek = lpfc_debugfs_lseek, |
3715 | .read = lpfc_debugfs_dif_err_read, | |
3716 | .write = lpfc_debugfs_dif_err_write, | |
3717 | .release = lpfc_debugfs_dif_err_release, | |
3718 | }; | |
3719 | ||
a58cbd52 | 3720 | #undef lpfc_debugfs_op_slow_ring_trc |
71fa7421 | 3721 | static const struct file_operations lpfc_debugfs_op_slow_ring_trc = { |
a58cbd52 JS |
3722 | .owner = THIS_MODULE, |
3723 | .open = lpfc_debugfs_slow_ring_trc_open, | |
3724 | .llseek = lpfc_debugfs_lseek, | |
3725 | .read = lpfc_debugfs_read, | |
3726 | .release = lpfc_debugfs_release, | |
3727 | }; | |
3728 | ||
858c9f6c JS |
3729 | static struct dentry *lpfc_debugfs_root = NULL; |
3730 | static atomic_t lpfc_debugfs_hba_count; | |
2a622bfb JS |
3731 | |
3732 | /* | |
3733 | * File operations for the iDiag debugfs | |
3734 | */ | |
3735 | #undef lpfc_idiag_op_pciCfg | |
3736 | static const struct file_operations lpfc_idiag_op_pciCfg = { | |
3737 | .owner = THIS_MODULE, | |
3738 | .open = lpfc_idiag_open, | |
3739 | .llseek = lpfc_debugfs_lseek, | |
3740 | .read = lpfc_idiag_pcicfg_read, | |
3741 | .write = lpfc_idiag_pcicfg_write, | |
3742 | .release = lpfc_idiag_cmd_release, | |
3743 | }; | |
3744 | ||
b76f2dc9 JS |
3745 | #undef lpfc_idiag_op_barAcc |
3746 | static const struct file_operations lpfc_idiag_op_barAcc = { | |
3747 | .owner = THIS_MODULE, | |
3748 | .open = lpfc_idiag_open, | |
3749 | .llseek = lpfc_debugfs_lseek, | |
3750 | .read = lpfc_idiag_baracc_read, | |
3751 | .write = lpfc_idiag_baracc_write, | |
3752 | .release = lpfc_idiag_cmd_release, | |
3753 | }; | |
3754 | ||
2a622bfb JS |
3755 | #undef lpfc_idiag_op_queInfo |
3756 | static const struct file_operations lpfc_idiag_op_queInfo = { | |
3757 | .owner = THIS_MODULE, | |
3758 | .open = lpfc_idiag_open, | |
3759 | .read = lpfc_idiag_queinfo_read, | |
3760 | .release = lpfc_idiag_release, | |
3761 | }; | |
3762 | ||
b76f2dc9 | 3763 | #undef lpfc_idiag_op_queAcc |
86a80846 JS |
3764 | static const struct file_operations lpfc_idiag_op_queAcc = { |
3765 | .owner = THIS_MODULE, | |
3766 | .open = lpfc_idiag_open, | |
3767 | .llseek = lpfc_debugfs_lseek, | |
3768 | .read = lpfc_idiag_queacc_read, | |
3769 | .write = lpfc_idiag_queacc_write, | |
3770 | .release = lpfc_idiag_cmd_release, | |
3771 | }; | |
3772 | ||
b76f2dc9 | 3773 | #undef lpfc_idiag_op_drbAcc |
86a80846 JS |
3774 | static const struct file_operations lpfc_idiag_op_drbAcc = { |
3775 | .owner = THIS_MODULE, | |
3776 | .open = lpfc_idiag_open, | |
3777 | .llseek = lpfc_debugfs_lseek, | |
3778 | .read = lpfc_idiag_drbacc_read, | |
3779 | .write = lpfc_idiag_drbacc_write, | |
3780 | .release = lpfc_idiag_cmd_release, | |
3781 | }; | |
3782 | ||
b76f2dc9 JS |
3783 | #undef lpfc_idiag_op_ctlAcc |
3784 | static const struct file_operations lpfc_idiag_op_ctlAcc = { | |
3785 | .owner = THIS_MODULE, | |
3786 | .open = lpfc_idiag_open, | |
3787 | .llseek = lpfc_debugfs_lseek, | |
3788 | .read = lpfc_idiag_ctlacc_read, | |
3789 | .write = lpfc_idiag_ctlacc_write, | |
3790 | .release = lpfc_idiag_cmd_release, | |
3791 | }; | |
3792 | ||
3793 | #undef lpfc_idiag_op_mbxAcc | |
3794 | static const struct file_operations lpfc_idiag_op_mbxAcc = { | |
3795 | .owner = THIS_MODULE, | |
3796 | .open = lpfc_idiag_open, | |
3797 | .llseek = lpfc_debugfs_lseek, | |
3798 | .read = lpfc_idiag_mbxacc_read, | |
3799 | .write = lpfc_idiag_mbxacc_write, | |
3800 | .release = lpfc_idiag_cmd_release, | |
3801 | }; | |
3802 | ||
3803 | #undef lpfc_idiag_op_extAcc | |
3804 | static const struct file_operations lpfc_idiag_op_extAcc = { | |
3805 | .owner = THIS_MODULE, | |
3806 | .open = lpfc_idiag_open, | |
3807 | .llseek = lpfc_debugfs_lseek, | |
3808 | .read = lpfc_idiag_extacc_read, | |
3809 | .write = lpfc_idiag_extacc_write, | |
3810 | .release = lpfc_idiag_cmd_release, | |
3811 | }; | |
3812 | ||
858c9f6c JS |
3813 | #endif |
3814 | ||
b76f2dc9 JS |
3815 | /* lpfc_idiag_mbxacc_dump_bsg_mbox - idiag debugfs dump bsg mailbox command |
3816 | * @phba: Pointer to HBA context object. | |
3817 | * @dmabuf: Pointer to a DMA buffer descriptor. | |
3818 | * | |
3819 | * Description: | |
3820 | * This routine dump a bsg pass-through non-embedded mailbox command with | |
3821 | * external buffer. | |
3822 | **/ | |
3823 | void | |
3824 | lpfc_idiag_mbxacc_dump_bsg_mbox(struct lpfc_hba *phba, enum nemb_type nemb_tp, | |
3825 | enum mbox_type mbox_tp, enum dma_type dma_tp, | |
3826 | enum sta_type sta_tp, | |
3827 | struct lpfc_dmabuf *dmabuf, uint32_t ext_buf) | |
3828 | { | |
3829 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS | |
3830 | uint32_t *mbx_mbox_cmd, *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt; | |
3831 | char line_buf[LPFC_MBX_ACC_LBUF_SZ]; | |
3832 | int len = 0; | |
3833 | uint32_t do_dump = 0; | |
3834 | uint32_t *pword; | |
3835 | uint32_t i; | |
3836 | ||
3837 | if (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP) | |
3838 | return; | |
3839 | ||
3840 | mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX]; | |
3841 | mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX]; | |
3842 | mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX]; | |
3843 | mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX]; | |
3844 | ||
3845 | if (!(*mbx_dump_map & LPFC_MBX_DMP_ALL) || | |
3846 | (*mbx_dump_cnt == 0) || | |
3847 | (*mbx_word_cnt == 0)) | |
3848 | return; | |
3849 | ||
3850 | if (*mbx_mbox_cmd != 0x9B) | |
3851 | return; | |
3852 | ||
3853 | if ((mbox_tp == mbox_rd) && (dma_tp == dma_mbox)) { | |
3854 | if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_MBX) { | |
3855 | do_dump |= LPFC_BSG_DMP_MBX_RD_MBX; | |
3856 | printk(KERN_ERR "\nRead mbox command (x%x), " | |
3857 | "nemb:0x%x, extbuf_cnt:%d:\n", | |
3858 | sta_tp, nemb_tp, ext_buf); | |
3859 | } | |
3860 | } | |
3861 | if ((mbox_tp == mbox_rd) && (dma_tp == dma_ebuf)) { | |
3862 | if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_BUF) { | |
3863 | do_dump |= LPFC_BSG_DMP_MBX_RD_BUF; | |
3864 | printk(KERN_ERR "\nRead mbox buffer (x%x), " | |
3865 | "nemb:0x%x, extbuf_seq:%d:\n", | |
3866 | sta_tp, nemb_tp, ext_buf); | |
3867 | } | |
3868 | } | |
3869 | if ((mbox_tp == mbox_wr) && (dma_tp == dma_mbox)) { | |
3870 | if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_MBX) { | |
3871 | do_dump |= LPFC_BSG_DMP_MBX_WR_MBX; | |
3872 | printk(KERN_ERR "\nWrite mbox command (x%x), " | |
3873 | "nemb:0x%x, extbuf_cnt:%d:\n", | |
3874 | sta_tp, nemb_tp, ext_buf); | |
3875 | } | |
3876 | } | |
3877 | if ((mbox_tp == mbox_wr) && (dma_tp == dma_ebuf)) { | |
3878 | if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_BUF) { | |
3879 | do_dump |= LPFC_BSG_DMP_MBX_WR_BUF; | |
3880 | printk(KERN_ERR "\nWrite mbox buffer (x%x), " | |
3881 | "nemb:0x%x, extbuf_seq:%d:\n", | |
3882 | sta_tp, nemb_tp, ext_buf); | |
3883 | } | |
3884 | } | |
3885 | ||
3886 | /* dump buffer content */ | |
3887 | if (do_dump) { | |
3888 | pword = (uint32_t *)dmabuf->virt; | |
3889 | for (i = 0; i < *mbx_word_cnt; i++) { | |
3890 | if (!(i % 8)) { | |
3891 | if (i != 0) | |
3892 | printk(KERN_ERR "%s\n", line_buf); | |
3893 | len = 0; | |
3894 | len += snprintf(line_buf+len, | |
3895 | LPFC_MBX_ACC_LBUF_SZ-len, | |
3896 | "%03d: ", i); | |
3897 | } | |
3898 | len += snprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len, | |
3899 | "%08x ", (uint32_t)*pword); | |
3900 | pword++; | |
3901 | } | |
3902 | if ((i - 1) % 8) | |
3903 | printk(KERN_ERR "%s\n", line_buf); | |
3904 | (*mbx_dump_cnt)--; | |
3905 | } | |
3906 | ||
3907 | /* Clean out command structure on reaching dump count */ | |
3908 | if (*mbx_dump_cnt == 0) | |
3909 | memset(&idiag, 0, sizeof(idiag)); | |
3910 | return; | |
3911 | #endif | |
3912 | } | |
3913 | ||
3914 | /* lpfc_idiag_mbxacc_dump_issue_mbox - idiag debugfs dump issue mailbox command | |
3915 | * @phba: Pointer to HBA context object. | |
3916 | * @dmabuf: Pointer to a DMA buffer descriptor. | |
3917 | * | |
3918 | * Description: | |
3919 | * This routine dump a pass-through non-embedded mailbox command from issue | |
3920 | * mailbox command. | |
3921 | **/ | |
3922 | void | |
3923 | lpfc_idiag_mbxacc_dump_issue_mbox(struct lpfc_hba *phba, MAILBOX_t *pmbox) | |
3924 | { | |
3925 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS | |
3926 | uint32_t *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt, *mbx_mbox_cmd; | |
3927 | char line_buf[LPFC_MBX_ACC_LBUF_SZ]; | |
3928 | int len = 0; | |
3929 | uint32_t *pword; | |
3930 | uint8_t *pbyte; | |
3931 | uint32_t i, j; | |
3932 | ||
3933 | if (idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP) | |
3934 | return; | |
3935 | ||
3936 | mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX]; | |
3937 | mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX]; | |
3938 | mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX]; | |
3939 | mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX]; | |
3940 | ||
3941 | if (!(*mbx_dump_map & LPFC_MBX_DMP_MBX_ALL) || | |
3942 | (*mbx_dump_cnt == 0) || | |
3943 | (*mbx_word_cnt == 0)) | |
3944 | return; | |
3945 | ||
3946 | if ((*mbx_mbox_cmd != LPFC_MBX_ALL_CMD) && | |
3947 | (*mbx_mbox_cmd != pmbox->mbxCommand)) | |
3948 | return; | |
3949 | ||
3950 | /* dump buffer content */ | |
3951 | if (*mbx_dump_map & LPFC_MBX_DMP_MBX_WORD) { | |
3952 | printk(KERN_ERR "Mailbox command:0x%x dump by word:\n", | |
3953 | pmbox->mbxCommand); | |
3954 | pword = (uint32_t *)pmbox; | |
3955 | for (i = 0; i < *mbx_word_cnt; i++) { | |
3956 | if (!(i % 8)) { | |
3957 | if (i != 0) | |
3958 | printk(KERN_ERR "%s\n", line_buf); | |
3959 | len = 0; | |
3960 | memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ); | |
3961 | len += snprintf(line_buf+len, | |
3962 | LPFC_MBX_ACC_LBUF_SZ-len, | |
3963 | "%03d: ", i); | |
3964 | } | |
3965 | len += snprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len, | |
3966 | "%08x ", | |
3967 | ((uint32_t)*pword) & 0xffffffff); | |
3968 | pword++; | |
3969 | } | |
3970 | if ((i - 1) % 8) | |
3971 | printk(KERN_ERR "%s\n", line_buf); | |
3972 | printk(KERN_ERR "\n"); | |
3973 | } | |
3974 | if (*mbx_dump_map & LPFC_MBX_DMP_MBX_BYTE) { | |
3975 | printk(KERN_ERR "Mailbox command:0x%x dump by byte:\n", | |
3976 | pmbox->mbxCommand); | |
3977 | pbyte = (uint8_t *)pmbox; | |
3978 | for (i = 0; i < *mbx_word_cnt; i++) { | |
3979 | if (!(i % 8)) { | |
3980 | if (i != 0) | |
3981 | printk(KERN_ERR "%s\n", line_buf); | |
3982 | len = 0; | |
3983 | memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ); | |
3984 | len += snprintf(line_buf+len, | |
3985 | LPFC_MBX_ACC_LBUF_SZ-len, | |
3986 | "%03d: ", i); | |
3987 | } | |
3988 | for (j = 0; j < 4; j++) { | |
3989 | len += snprintf(line_buf+len, | |
3990 | LPFC_MBX_ACC_LBUF_SZ-len, | |
3991 | "%02x", | |
3992 | ((uint8_t)*pbyte) & 0xff); | |
3993 | pbyte++; | |
3994 | } | |
3995 | len += snprintf(line_buf+len, | |
3996 | LPFC_MBX_ACC_LBUF_SZ-len, " "); | |
3997 | } | |
3998 | if ((i - 1) % 8) | |
3999 | printk(KERN_ERR "%s\n", line_buf); | |
4000 | printk(KERN_ERR "\n"); | |
4001 | } | |
4002 | (*mbx_dump_cnt)--; | |
4003 | ||
4004 | /* Clean out command structure on reaching dump count */ | |
4005 | if (*mbx_dump_cnt == 0) | |
4006 | memset(&idiag, 0, sizeof(idiag)); | |
4007 | return; | |
4008 | #endif | |
4009 | } | |
4010 | ||
e59058c4 | 4011 | /** |
3621a710 | 4012 | * lpfc_debugfs_initialize - Initialize debugfs for a vport |
e59058c4 JS |
4013 | * @vport: The vport pointer to initialize. |
4014 | * | |
4015 | * Description: | |
4016 | * When Debugfs is configured this routine sets up the lpfc debugfs file system. | |
4017 | * If not already created, this routine will create the lpfc directory, and | |
4018 | * lpfcX directory (for this HBA), and vportX directory for this vport. It will | |
4019 | * also create each file used to access lpfc specific debugfs information. | |
4020 | **/ | |
858c9f6c JS |
4021 | inline void |
4022 | lpfc_debugfs_initialize(struct lpfc_vport *vport) | |
4023 | { | |
923e4b6a | 4024 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
858c9f6c JS |
4025 | struct lpfc_hba *phba = vport->phba; |
4026 | char name[64]; | |
4027 | uint32_t num, i; | |
f6c3bdfb | 4028 | bool pport_setup = false; |
858c9f6c JS |
4029 | |
4030 | if (!lpfc_debugfs_enable) | |
4031 | return; | |
4032 | ||
a58cbd52 | 4033 | /* Setup lpfc root directory */ |
858c9f6c JS |
4034 | if (!lpfc_debugfs_root) { |
4035 | lpfc_debugfs_root = debugfs_create_dir("lpfc", NULL); | |
4036 | atomic_set(&lpfc_debugfs_hba_count, 0); | |
a58cbd52 | 4037 | if (!lpfc_debugfs_root) { |
e8b62011 | 4038 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 4039 | "0408 Cannot create debugfs root\n"); |
858c9f6c | 4040 | goto debug_failed; |
a58cbd52 | 4041 | } |
858c9f6c | 4042 | } |
a58cbd52 JS |
4043 | if (!lpfc_debugfs_start_time) |
4044 | lpfc_debugfs_start_time = jiffies; | |
4045 | ||
2a622bfb JS |
4046 | /* Setup funcX directory for specific HBA PCI function */ |
4047 | snprintf(name, sizeof(name), "fn%d", phba->brd_no); | |
858c9f6c | 4048 | if (!phba->hba_debugfs_root) { |
f6c3bdfb | 4049 | pport_setup = true; |
858c9f6c JS |
4050 | phba->hba_debugfs_root = |
4051 | debugfs_create_dir(name, lpfc_debugfs_root); | |
a58cbd52 | 4052 | if (!phba->hba_debugfs_root) { |
e8b62011 | 4053 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 4054 | "0412 Cannot create debugfs hba\n"); |
858c9f6c | 4055 | goto debug_failed; |
a58cbd52 | 4056 | } |
858c9f6c JS |
4057 | atomic_inc(&lpfc_debugfs_hba_count); |
4058 | atomic_set(&phba->debugfs_vport_count, 0); | |
a58cbd52 | 4059 | |
78b2d852 JS |
4060 | /* Setup hbqinfo */ |
4061 | snprintf(name, sizeof(name), "hbqinfo"); | |
4062 | phba->debug_hbqinfo = | |
4063 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4064 | phba->hba_debugfs_root, | |
4065 | phba, &lpfc_debugfs_op_hbqinfo); | |
4066 | if (!phba->debug_hbqinfo) { | |
4067 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
d7c255b2 | 4068 | "0411 Cannot create debugfs hbqinfo\n"); |
78b2d852 JS |
4069 | goto debug_failed; |
4070 | } | |
4071 | ||
c95d6c6c | 4072 | /* Setup dumpHBASlim */ |
2a622bfb JS |
4073 | if (phba->sli_rev < LPFC_SLI_REV4) { |
4074 | snprintf(name, sizeof(name), "dumpHBASlim"); | |
4075 | phba->debug_dumpHBASlim = | |
4076 | debugfs_create_file(name, | |
4077 | S_IFREG|S_IRUGO|S_IWUSR, | |
4078 | phba->hba_debugfs_root, | |
4079 | phba, &lpfc_debugfs_op_dumpHBASlim); | |
4080 | if (!phba->debug_dumpHBASlim) { | |
4081 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4082 | "0413 Cannot create debugfs " | |
4083 | "dumpHBASlim\n"); | |
4084 | goto debug_failed; | |
4085 | } | |
4086 | } else | |
4087 | phba->debug_dumpHBASlim = NULL; | |
c95d6c6c JS |
4088 | |
4089 | /* Setup dumpHostSlim */ | |
2a622bfb JS |
4090 | if (phba->sli_rev < LPFC_SLI_REV4) { |
4091 | snprintf(name, sizeof(name), "dumpHostSlim"); | |
4092 | phba->debug_dumpHostSlim = | |
4093 | debugfs_create_file(name, | |
4094 | S_IFREG|S_IRUGO|S_IWUSR, | |
4095 | phba->hba_debugfs_root, | |
4096 | phba, &lpfc_debugfs_op_dumpHostSlim); | |
4097 | if (!phba->debug_dumpHostSlim) { | |
4098 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4099 | "0414 Cannot create debugfs " | |
4100 | "dumpHostSlim\n"); | |
4101 | goto debug_failed; | |
4102 | } | |
4103 | } else | |
b28d108b | 4104 | phba->debug_dumpHostSlim = NULL; |
a58cbd52 | 4105 | |
e2a0a9d6 JS |
4106 | /* Setup dumpData */ |
4107 | snprintf(name, sizeof(name), "dumpData"); | |
4108 | phba->debug_dumpData = | |
4109 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4110 | phba->hba_debugfs_root, | |
4111 | phba, &lpfc_debugfs_op_dumpData); | |
4112 | if (!phba->debug_dumpData) { | |
4113 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4114 | "0800 Cannot create debugfs dumpData\n"); | |
4115 | goto debug_failed; | |
4116 | } | |
4117 | ||
4118 | /* Setup dumpDif */ | |
4119 | snprintf(name, sizeof(name), "dumpDif"); | |
4120 | phba->debug_dumpDif = | |
4121 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4122 | phba->hba_debugfs_root, | |
4123 | phba, &lpfc_debugfs_op_dumpDif); | |
4124 | if (!phba->debug_dumpDif) { | |
4125 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4126 | "0801 Cannot create debugfs dumpDif\n"); | |
4127 | goto debug_failed; | |
4128 | } | |
4129 | ||
f9bb2da1 JS |
4130 | /* Setup DIF Error Injections */ |
4131 | snprintf(name, sizeof(name), "InjErrLBA"); | |
4132 | phba->debug_InjErrLBA = | |
4133 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4134 | phba->hba_debugfs_root, | |
4135 | phba, &lpfc_debugfs_op_dif_err); | |
4136 | if (!phba->debug_InjErrLBA) { | |
4137 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4138 | "0807 Cannot create debugfs InjErrLBA\n"); | |
4139 | goto debug_failed; | |
4140 | } | |
4141 | phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; | |
4142 | ||
4ac9b226 JS |
4143 | snprintf(name, sizeof(name), "InjErrNPortID"); |
4144 | phba->debug_InjErrNPortID = | |
4145 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4146 | phba->hba_debugfs_root, | |
4147 | phba, &lpfc_debugfs_op_dif_err); | |
4148 | if (!phba->debug_InjErrNPortID) { | |
4149 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4150 | "0809 Cannot create debugfs InjErrNPortID\n"); | |
4151 | goto debug_failed; | |
4152 | } | |
4153 | ||
4154 | snprintf(name, sizeof(name), "InjErrWWPN"); | |
4155 | phba->debug_InjErrWWPN = | |
4156 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4157 | phba->hba_debugfs_root, | |
4158 | phba, &lpfc_debugfs_op_dif_err); | |
4159 | if (!phba->debug_InjErrWWPN) { | |
4160 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4161 | "0810 Cannot create debugfs InjErrWWPN\n"); | |
4162 | goto debug_failed; | |
4163 | } | |
4164 | ||
f9bb2da1 JS |
4165 | snprintf(name, sizeof(name), "writeGuardInjErr"); |
4166 | phba->debug_writeGuard = | |
4167 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4168 | phba->hba_debugfs_root, | |
4169 | phba, &lpfc_debugfs_op_dif_err); | |
4170 | if (!phba->debug_writeGuard) { | |
4171 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4172 | "0802 Cannot create debugfs writeGuard\n"); | |
4173 | goto debug_failed; | |
4174 | } | |
4175 | ||
4176 | snprintf(name, sizeof(name), "writeAppInjErr"); | |
4177 | phba->debug_writeApp = | |
4178 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4179 | phba->hba_debugfs_root, | |
4180 | phba, &lpfc_debugfs_op_dif_err); | |
4181 | if (!phba->debug_writeApp) { | |
4182 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4183 | "0803 Cannot create debugfs writeApp\n"); | |
4184 | goto debug_failed; | |
4185 | } | |
4186 | ||
4187 | snprintf(name, sizeof(name), "writeRefInjErr"); | |
4188 | phba->debug_writeRef = | |
4189 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4190 | phba->hba_debugfs_root, | |
4191 | phba, &lpfc_debugfs_op_dif_err); | |
4192 | if (!phba->debug_writeRef) { | |
4193 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4194 | "0804 Cannot create debugfs writeRef\n"); | |
4195 | goto debug_failed; | |
4196 | } | |
4197 | ||
acd6859b JS |
4198 | snprintf(name, sizeof(name), "readGuardInjErr"); |
4199 | phba->debug_readGuard = | |
4200 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4201 | phba->hba_debugfs_root, | |
4202 | phba, &lpfc_debugfs_op_dif_err); | |
4203 | if (!phba->debug_readGuard) { | |
4204 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4205 | "0808 Cannot create debugfs readGuard\n"); | |
4206 | goto debug_failed; | |
4207 | } | |
4208 | ||
f9bb2da1 JS |
4209 | snprintf(name, sizeof(name), "readAppInjErr"); |
4210 | phba->debug_readApp = | |
4211 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4212 | phba->hba_debugfs_root, | |
4213 | phba, &lpfc_debugfs_op_dif_err); | |
4214 | if (!phba->debug_readApp) { | |
4215 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4216 | "0805 Cannot create debugfs readApp\n"); | |
4217 | goto debug_failed; | |
4218 | } | |
4219 | ||
4220 | snprintf(name, sizeof(name), "readRefInjErr"); | |
4221 | phba->debug_readRef = | |
4222 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4223 | phba->hba_debugfs_root, | |
4224 | phba, &lpfc_debugfs_op_dif_err); | |
4225 | if (!phba->debug_readRef) { | |
4226 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4227 | "0806 Cannot create debugfs readApp\n"); | |
4228 | goto debug_failed; | |
4229 | } | |
4230 | ||
a58cbd52 JS |
4231 | /* Setup slow ring trace */ |
4232 | if (lpfc_debugfs_max_slow_ring_trc) { | |
4233 | num = lpfc_debugfs_max_slow_ring_trc - 1; | |
4234 | if (num & lpfc_debugfs_max_slow_ring_trc) { | |
4235 | /* Change to be a power of 2 */ | |
4236 | num = lpfc_debugfs_max_slow_ring_trc; | |
4237 | i = 0; | |
4238 | while (num > 1) { | |
4239 | num = num >> 1; | |
4240 | i++; | |
4241 | } | |
4242 | lpfc_debugfs_max_slow_ring_trc = (1 << i); | |
4243 | printk(KERN_ERR | |
e8b62011 JS |
4244 | "lpfc_debugfs_max_disc_trc changed to " |
4245 | "%d\n", lpfc_debugfs_max_disc_trc); | |
a58cbd52 JS |
4246 | } |
4247 | } | |
4248 | ||
a58cbd52 JS |
4249 | snprintf(name, sizeof(name), "slow_ring_trace"); |
4250 | phba->debug_slow_ring_trc = | |
4251 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4252 | phba->hba_debugfs_root, | |
4253 | phba, &lpfc_debugfs_op_slow_ring_trc); | |
4254 | if (!phba->debug_slow_ring_trc) { | |
e8b62011 | 4255 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 4256 | "0415 Cannot create debugfs " |
e8b62011 | 4257 | "slow_ring_trace\n"); |
a58cbd52 JS |
4258 | goto debug_failed; |
4259 | } | |
4260 | if (!phba->slow_ring_trc) { | |
4261 | phba->slow_ring_trc = kmalloc( | |
4262 | (sizeof(struct lpfc_debugfs_trc) * | |
4263 | lpfc_debugfs_max_slow_ring_trc), | |
4264 | GFP_KERNEL); | |
4265 | if (!phba->slow_ring_trc) { | |
e8b62011 | 4266 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 4267 | "0416 Cannot create debugfs " |
e8b62011 | 4268 | "slow_ring buffer\n"); |
a58cbd52 JS |
4269 | goto debug_failed; |
4270 | } | |
4271 | atomic_set(&phba->slow_ring_trc_cnt, 0); | |
4272 | memset(phba->slow_ring_trc, 0, | |
4273 | (sizeof(struct lpfc_debugfs_trc) * | |
4274 | lpfc_debugfs_max_slow_ring_trc)); | |
4275 | } | |
858c9f6c JS |
4276 | } |
4277 | ||
4278 | snprintf(name, sizeof(name), "vport%d", vport->vpi); | |
4279 | if (!vport->vport_debugfs_root) { | |
4280 | vport->vport_debugfs_root = | |
4281 | debugfs_create_dir(name, phba->hba_debugfs_root); | |
a58cbd52 | 4282 | if (!vport->vport_debugfs_root) { |
e8b62011 | 4283 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
25985edc | 4284 | "0417 Can't create debugfs\n"); |
858c9f6c | 4285 | goto debug_failed; |
a58cbd52 | 4286 | } |
858c9f6c JS |
4287 | atomic_inc(&phba->debugfs_vport_count); |
4288 | } | |
4289 | ||
a58cbd52 JS |
4290 | if (lpfc_debugfs_max_disc_trc) { |
4291 | num = lpfc_debugfs_max_disc_trc - 1; | |
4292 | if (num & lpfc_debugfs_max_disc_trc) { | |
4293 | /* Change to be a power of 2 */ | |
4294 | num = lpfc_debugfs_max_disc_trc; | |
4295 | i = 0; | |
4296 | while (num > 1) { | |
4297 | num = num >> 1; | |
4298 | i++; | |
4299 | } | |
4300 | lpfc_debugfs_max_disc_trc = (1 << i); | |
4301 | printk(KERN_ERR | |
e8b62011 JS |
4302 | "lpfc_debugfs_max_disc_trc changed to %d\n", |
4303 | lpfc_debugfs_max_disc_trc); | |
a58cbd52 JS |
4304 | } |
4305 | } | |
858c9f6c | 4306 | |
ff86ba59 | 4307 | vport->disc_trc = kzalloc( |
a58cbd52 | 4308 | (sizeof(struct lpfc_debugfs_trc) * lpfc_debugfs_max_disc_trc), |
858c9f6c JS |
4309 | GFP_KERNEL); |
4310 | ||
a58cbd52 | 4311 | if (!vport->disc_trc) { |
e8b62011 | 4312 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 4313 | "0418 Cannot create debugfs disc trace " |
e8b62011 | 4314 | "buffer\n"); |
858c9f6c | 4315 | goto debug_failed; |
a58cbd52 JS |
4316 | } |
4317 | atomic_set(&vport->disc_trc_cnt, 0); | |
858c9f6c JS |
4318 | |
4319 | snprintf(name, sizeof(name), "discovery_trace"); | |
4320 | vport->debug_disc_trc = | |
4321 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4322 | vport->vport_debugfs_root, | |
4323 | vport, &lpfc_debugfs_op_disc_trc); | |
4324 | if (!vport->debug_disc_trc) { | |
e8b62011 | 4325 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 4326 | "0419 Cannot create debugfs " |
e8b62011 | 4327 | "discovery_trace\n"); |
858c9f6c JS |
4328 | goto debug_failed; |
4329 | } | |
4330 | snprintf(name, sizeof(name), "nodelist"); | |
4331 | vport->debug_nodelist = | |
4332 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4333 | vport->vport_debugfs_root, | |
4334 | vport, &lpfc_debugfs_op_nodelist); | |
4335 | if (!vport->debug_nodelist) { | |
e8b62011 | 4336 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
b76f2dc9 | 4337 | "2985 Can't create debugfs nodelist\n"); |
858c9f6c JS |
4338 | goto debug_failed; |
4339 | } | |
2a622bfb | 4340 | |
f6c3bdfb JS |
4341 | /* |
4342 | * The following section is for additional directories/files for the | |
4343 | * physical port. | |
4344 | */ | |
4345 | ||
4346 | if (!pport_setup) | |
4347 | goto debug_failed; | |
4348 | ||
2a622bfb JS |
4349 | /* |
4350 | * iDiag debugfs root entry points for SLI4 device only | |
4351 | */ | |
4352 | if (phba->sli_rev < LPFC_SLI_REV4) | |
4353 | goto debug_failed; | |
4354 | ||
4355 | snprintf(name, sizeof(name), "iDiag"); | |
4356 | if (!phba->idiag_root) { | |
4357 | phba->idiag_root = | |
4358 | debugfs_create_dir(name, phba->hba_debugfs_root); | |
4359 | if (!phba->idiag_root) { | |
4360 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4361 | "2922 Can't create idiag debugfs\n"); | |
4362 | goto debug_failed; | |
4363 | } | |
4364 | /* Initialize iDiag data structure */ | |
4365 | memset(&idiag, 0, sizeof(idiag)); | |
4366 | } | |
4367 | ||
4368 | /* iDiag read PCI config space */ | |
4369 | snprintf(name, sizeof(name), "pciCfg"); | |
4370 | if (!phba->idiag_pci_cfg) { | |
4371 | phba->idiag_pci_cfg = | |
4372 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4373 | phba->idiag_root, phba, &lpfc_idiag_op_pciCfg); | |
4374 | if (!phba->idiag_pci_cfg) { | |
4375 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4376 | "2923 Can't create idiag debugfs\n"); | |
4377 | goto debug_failed; | |
4378 | } | |
4379 | idiag.offset.last_rd = 0; | |
4380 | } | |
4381 | ||
b76f2dc9 JS |
4382 | /* iDiag PCI BAR access */ |
4383 | snprintf(name, sizeof(name), "barAcc"); | |
4384 | if (!phba->idiag_bar_acc) { | |
4385 | phba->idiag_bar_acc = | |
4386 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4387 | phba->idiag_root, phba, &lpfc_idiag_op_barAcc); | |
4388 | if (!phba->idiag_bar_acc) { | |
4389 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4390 | "3056 Can't create idiag debugfs\n"); | |
4391 | goto debug_failed; | |
4392 | } | |
4393 | idiag.offset.last_rd = 0; | |
4394 | } | |
4395 | ||
2a622bfb JS |
4396 | /* iDiag get PCI function queue information */ |
4397 | snprintf(name, sizeof(name), "queInfo"); | |
4398 | if (!phba->idiag_que_info) { | |
4399 | phba->idiag_que_info = | |
4400 | debugfs_create_file(name, S_IFREG|S_IRUGO, | |
4401 | phba->idiag_root, phba, &lpfc_idiag_op_queInfo); | |
4402 | if (!phba->idiag_que_info) { | |
4403 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4404 | "2924 Can't create idiag debugfs\n"); | |
4405 | goto debug_failed; | |
4406 | } | |
4407 | } | |
4408 | ||
86a80846 JS |
4409 | /* iDiag access PCI function queue */ |
4410 | snprintf(name, sizeof(name), "queAcc"); | |
4411 | if (!phba->idiag_que_acc) { | |
4412 | phba->idiag_que_acc = | |
4413 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4414 | phba->idiag_root, phba, &lpfc_idiag_op_queAcc); | |
4415 | if (!phba->idiag_que_acc) { | |
4416 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4417 | "2926 Can't create idiag debugfs\n"); | |
4418 | goto debug_failed; | |
4419 | } | |
4420 | } | |
4421 | ||
4422 | /* iDiag access PCI function doorbell registers */ | |
4423 | snprintf(name, sizeof(name), "drbAcc"); | |
4424 | if (!phba->idiag_drb_acc) { | |
4425 | phba->idiag_drb_acc = | |
4426 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4427 | phba->idiag_root, phba, &lpfc_idiag_op_drbAcc); | |
4428 | if (!phba->idiag_drb_acc) { | |
4429 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4430 | "2927 Can't create idiag debugfs\n"); | |
4431 | goto debug_failed; | |
4432 | } | |
4433 | } | |
4434 | ||
b76f2dc9 JS |
4435 | /* iDiag access PCI function control registers */ |
4436 | snprintf(name, sizeof(name), "ctlAcc"); | |
4437 | if (!phba->idiag_ctl_acc) { | |
4438 | phba->idiag_ctl_acc = | |
4439 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4440 | phba->idiag_root, phba, &lpfc_idiag_op_ctlAcc); | |
4441 | if (!phba->idiag_ctl_acc) { | |
4442 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4443 | "2981 Can't create idiag debugfs\n"); | |
4444 | goto debug_failed; | |
4445 | } | |
4446 | } | |
4447 | ||
4448 | /* iDiag access mbox commands */ | |
4449 | snprintf(name, sizeof(name), "mbxAcc"); | |
4450 | if (!phba->idiag_mbx_acc) { | |
4451 | phba->idiag_mbx_acc = | |
4452 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4453 | phba->idiag_root, phba, &lpfc_idiag_op_mbxAcc); | |
4454 | if (!phba->idiag_mbx_acc) { | |
4455 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4456 | "2980 Can't create idiag debugfs\n"); | |
4457 | goto debug_failed; | |
4458 | } | |
4459 | } | |
4460 | ||
4461 | /* iDiag extents access commands */ | |
4462 | if (phba->sli4_hba.extents_in_use) { | |
4463 | snprintf(name, sizeof(name), "extAcc"); | |
4464 | if (!phba->idiag_ext_acc) { | |
4465 | phba->idiag_ext_acc = | |
4466 | debugfs_create_file(name, | |
4467 | S_IFREG|S_IRUGO|S_IWUSR, | |
4468 | phba->idiag_root, phba, | |
4469 | &lpfc_idiag_op_extAcc); | |
4470 | if (!phba->idiag_ext_acc) { | |
4471 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4472 | "2986 Cant create " | |
4473 | "idiag debugfs\n"); | |
4474 | goto debug_failed; | |
4475 | } | |
4476 | } | |
4477 | } | |
4478 | ||
858c9f6c JS |
4479 | debug_failed: |
4480 | return; | |
4481 | #endif | |
4482 | } | |
4483 | ||
e59058c4 | 4484 | /** |
3621a710 | 4485 | * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport |
e59058c4 JS |
4486 | * @vport: The vport pointer to remove from debugfs. |
4487 | * | |
4488 | * Description: | |
4489 | * When Debugfs is configured this routine removes debugfs file system elements | |
4490 | * that are specific to this vport. It also checks to see if there are any | |
4491 | * users left for the debugfs directories associated with the HBA and driver. If | |
4492 | * this is the last user of the HBA directory or driver directory then it will | |
4493 | * remove those from the debugfs infrastructure as well. | |
4494 | **/ | |
858c9f6c JS |
4495 | inline void |
4496 | lpfc_debugfs_terminate(struct lpfc_vport *vport) | |
4497 | { | |
923e4b6a | 4498 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
858c9f6c JS |
4499 | struct lpfc_hba *phba = vport->phba; |
4500 | ||
4501 | if (vport->disc_trc) { | |
4502 | kfree(vport->disc_trc); | |
4503 | vport->disc_trc = NULL; | |
4504 | } | |
4505 | if (vport->debug_disc_trc) { | |
4506 | debugfs_remove(vport->debug_disc_trc); /* discovery_trace */ | |
4507 | vport->debug_disc_trc = NULL; | |
4508 | } | |
4509 | if (vport->debug_nodelist) { | |
4510 | debugfs_remove(vport->debug_nodelist); /* nodelist */ | |
4511 | vport->debug_nodelist = NULL; | |
4512 | } | |
4513 | if (vport->vport_debugfs_root) { | |
4514 | debugfs_remove(vport->vport_debugfs_root); /* vportX */ | |
4515 | vport->vport_debugfs_root = NULL; | |
4516 | atomic_dec(&phba->debugfs_vport_count); | |
4517 | } | |
4518 | if (atomic_read(&phba->debugfs_vport_count) == 0) { | |
a58cbd52 | 4519 | |
78b2d852 JS |
4520 | if (phba->debug_hbqinfo) { |
4521 | debugfs_remove(phba->debug_hbqinfo); /* hbqinfo */ | |
4522 | phba->debug_hbqinfo = NULL; | |
4523 | } | |
c95d6c6c JS |
4524 | if (phba->debug_dumpHBASlim) { |
4525 | debugfs_remove(phba->debug_dumpHBASlim); /* HBASlim */ | |
4526 | phba->debug_dumpHBASlim = NULL; | |
4527 | } | |
4528 | if (phba->debug_dumpHostSlim) { | |
4529 | debugfs_remove(phba->debug_dumpHostSlim); /* HostSlim */ | |
4530 | phba->debug_dumpHostSlim = NULL; | |
a58cbd52 | 4531 | } |
e2a0a9d6 JS |
4532 | if (phba->debug_dumpData) { |
4533 | debugfs_remove(phba->debug_dumpData); /* dumpData */ | |
4534 | phba->debug_dumpData = NULL; | |
4535 | } | |
4536 | ||
4537 | if (phba->debug_dumpDif) { | |
4538 | debugfs_remove(phba->debug_dumpDif); /* dumpDif */ | |
4539 | phba->debug_dumpDif = NULL; | |
4540 | } | |
f9bb2da1 JS |
4541 | if (phba->debug_InjErrLBA) { |
4542 | debugfs_remove(phba->debug_InjErrLBA); /* InjErrLBA */ | |
4543 | phba->debug_InjErrLBA = NULL; | |
4544 | } | |
4ac9b226 JS |
4545 | if (phba->debug_InjErrNPortID) { /* InjErrNPortID */ |
4546 | debugfs_remove(phba->debug_InjErrNPortID); | |
4547 | phba->debug_InjErrNPortID = NULL; | |
4548 | } | |
4549 | if (phba->debug_InjErrWWPN) { | |
4550 | debugfs_remove(phba->debug_InjErrWWPN); /* InjErrWWPN */ | |
4551 | phba->debug_InjErrWWPN = NULL; | |
4552 | } | |
f9bb2da1 JS |
4553 | if (phba->debug_writeGuard) { |
4554 | debugfs_remove(phba->debug_writeGuard); /* writeGuard */ | |
4555 | phba->debug_writeGuard = NULL; | |
4556 | } | |
4557 | if (phba->debug_writeApp) { | |
4558 | debugfs_remove(phba->debug_writeApp); /* writeApp */ | |
4559 | phba->debug_writeApp = NULL; | |
4560 | } | |
4561 | if (phba->debug_writeRef) { | |
4562 | debugfs_remove(phba->debug_writeRef); /* writeRef */ | |
4563 | phba->debug_writeRef = NULL; | |
4564 | } | |
acd6859b JS |
4565 | if (phba->debug_readGuard) { |
4566 | debugfs_remove(phba->debug_readGuard); /* readGuard */ | |
4567 | phba->debug_readGuard = NULL; | |
4568 | } | |
f9bb2da1 JS |
4569 | if (phba->debug_readApp) { |
4570 | debugfs_remove(phba->debug_readApp); /* readApp */ | |
4571 | phba->debug_readApp = NULL; | |
4572 | } | |
4573 | if (phba->debug_readRef) { | |
4574 | debugfs_remove(phba->debug_readRef); /* readRef */ | |
4575 | phba->debug_readRef = NULL; | |
4576 | } | |
e2a0a9d6 | 4577 | |
a58cbd52 JS |
4578 | if (phba->slow_ring_trc) { |
4579 | kfree(phba->slow_ring_trc); | |
4580 | phba->slow_ring_trc = NULL; | |
4581 | } | |
4582 | if (phba->debug_slow_ring_trc) { | |
4583 | /* slow_ring_trace */ | |
4584 | debugfs_remove(phba->debug_slow_ring_trc); | |
4585 | phba->debug_slow_ring_trc = NULL; | |
4586 | } | |
4587 | ||
2a622bfb JS |
4588 | /* |
4589 | * iDiag release | |
4590 | */ | |
4591 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
b76f2dc9 JS |
4592 | if (phba->idiag_ext_acc) { |
4593 | /* iDiag extAcc */ | |
4594 | debugfs_remove(phba->idiag_ext_acc); | |
4595 | phba->idiag_ext_acc = NULL; | |
4596 | } | |
4597 | if (phba->idiag_mbx_acc) { | |
4598 | /* iDiag mbxAcc */ | |
4599 | debugfs_remove(phba->idiag_mbx_acc); | |
4600 | phba->idiag_mbx_acc = NULL; | |
4601 | } | |
4602 | if (phba->idiag_ctl_acc) { | |
4603 | /* iDiag ctlAcc */ | |
4604 | debugfs_remove(phba->idiag_ctl_acc); | |
4605 | phba->idiag_ctl_acc = NULL; | |
4606 | } | |
86a80846 JS |
4607 | if (phba->idiag_drb_acc) { |
4608 | /* iDiag drbAcc */ | |
4609 | debugfs_remove(phba->idiag_drb_acc); | |
4610 | phba->idiag_drb_acc = NULL; | |
4611 | } | |
4612 | if (phba->idiag_que_acc) { | |
4613 | /* iDiag queAcc */ | |
4614 | debugfs_remove(phba->idiag_que_acc); | |
4615 | phba->idiag_que_acc = NULL; | |
4616 | } | |
2a622bfb JS |
4617 | if (phba->idiag_que_info) { |
4618 | /* iDiag queInfo */ | |
4619 | debugfs_remove(phba->idiag_que_info); | |
4620 | phba->idiag_que_info = NULL; | |
4621 | } | |
b76f2dc9 JS |
4622 | if (phba->idiag_bar_acc) { |
4623 | /* iDiag barAcc */ | |
4624 | debugfs_remove(phba->idiag_bar_acc); | |
4625 | phba->idiag_bar_acc = NULL; | |
4626 | } | |
2a622bfb JS |
4627 | if (phba->idiag_pci_cfg) { |
4628 | /* iDiag pciCfg */ | |
4629 | debugfs_remove(phba->idiag_pci_cfg); | |
4630 | phba->idiag_pci_cfg = NULL; | |
4631 | } | |
4632 | ||
4633 | /* Finally remove the iDiag debugfs root */ | |
4634 | if (phba->idiag_root) { | |
4635 | /* iDiag root */ | |
4636 | debugfs_remove(phba->idiag_root); | |
4637 | phba->idiag_root = NULL; | |
4638 | } | |
4639 | } | |
4640 | ||
a58cbd52 | 4641 | if (phba->hba_debugfs_root) { |
2a622bfb | 4642 | debugfs_remove(phba->hba_debugfs_root); /* fnX */ |
a58cbd52 JS |
4643 | phba->hba_debugfs_root = NULL; |
4644 | atomic_dec(&lpfc_debugfs_hba_count); | |
4645 | } | |
4646 | ||
858c9f6c JS |
4647 | if (atomic_read(&lpfc_debugfs_hba_count) == 0) { |
4648 | debugfs_remove(lpfc_debugfs_root); /* lpfc */ | |
4649 | lpfc_debugfs_root = NULL; | |
4650 | } | |
4651 | } | |
4652 | #endif | |
a58cbd52 | 4653 | return; |
858c9f6c | 4654 | } |
809c7536 JS |
4655 | |
4656 | /* | |
4657 | * Driver debug utility routines outside of debugfs. The debug utility | |
4658 | * routines implemented here is intended to be used in the instrumented | |
4659 | * debug driver for debugging host or port issues. | |
4660 | */ | |
4661 | ||
4662 | /** | |
4663 | * lpfc_debug_dump_all_queues - dump all the queues with a hba | |
4664 | * @phba: Pointer to HBA context object. | |
4665 | * | |
4666 | * This function dumps entries of all the queues asociated with the @phba. | |
4667 | **/ | |
4668 | void | |
4669 | lpfc_debug_dump_all_queues(struct lpfc_hba *phba) | |
4670 | { | |
4671 | int fcp_wqidx; | |
4672 | ||
4673 | /* | |
4674 | * Dump Work Queues (WQs) | |
4675 | */ | |
4676 | lpfc_debug_dump_mbx_wq(phba); | |
4677 | lpfc_debug_dump_els_wq(phba); | |
4678 | ||
67d12733 | 4679 | for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) |
809c7536 JS |
4680 | lpfc_debug_dump_fcp_wq(phba, fcp_wqidx); |
4681 | ||
4682 | lpfc_debug_dump_hdr_rq(phba); | |
4683 | lpfc_debug_dump_dat_rq(phba); | |
4684 | /* | |
4685 | * Dump Complete Queues (CQs) | |
4686 | */ | |
4687 | lpfc_debug_dump_mbx_cq(phba); | |
4688 | lpfc_debug_dump_els_cq(phba); | |
4689 | ||
67d12733 | 4690 | for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) |
809c7536 JS |
4691 | lpfc_debug_dump_fcp_cq(phba, fcp_wqidx); |
4692 | ||
4693 | /* | |
4694 | * Dump Event Queues (EQs) | |
4695 | */ | |
67d12733 JS |
4696 | for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) |
4697 | lpfc_debug_dump_hba_eq(phba, fcp_wqidx); | |
809c7536 | 4698 | } |