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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. * | |
2a622bfb | 4 | * Copyright (C) 2007-2011 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", | |
493 | i, pgpp->cmdGetInx, pring->numCiocb, | |
494 | pring->next_cmdidx, pring->local_getidx, | |
495 | pring->flag, pgpp->rspPutInx, pring->numRiocb); | |
496 | } | |
3772a991 JS |
497 | |
498 | if (phba->sli_rev <= LPFC_SLI_REV3) { | |
499 | word0 = readl(phba->HAregaddr); | |
500 | word1 = readl(phba->CAregaddr); | |
501 | word2 = readl(phba->HSregaddr); | |
502 | word3 = readl(phba->HCregaddr); | |
503 | len += snprintf(buf+len, size-len, "HA:%08x CA:%08x HS:%08x " | |
504 | "HC:%08x\n", word0, word1, word2, word3); | |
505 | } | |
a58cbd52 JS |
506 | spin_unlock_irq(&phba->hbalock); |
507 | return len; | |
508 | } | |
509 | ||
e59058c4 | 510 | /** |
3621a710 | 511 | * lpfc_debugfs_nodelist_data - Dump target node list to a buffer |
e59058c4 JS |
512 | * @vport: The vport to gather target node info from. |
513 | * @buf: The buffer to dump log into. | |
514 | * @size: The maximum amount of data to process. | |
515 | * | |
516 | * Description: | |
517 | * This routine dumps the current target node list associated with @vport to | |
518 | * @buf up to @size bytes of data. Each node entry in the dump will contain a | |
519 | * node state, DID, WWPN, WWNN, RPI, flags, type, and other useful fields. | |
520 | * | |
521 | * Return Value: | |
522 | * This routine returns the amount of bytes that were dumped into @buf and will | |
523 | * not exceed @size. | |
524 | **/ | |
858c9f6c JS |
525 | static int |
526 | lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size) | |
527 | { | |
528 | int len = 0; | |
529 | int cnt; | |
530 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
531 | struct lpfc_nodelist *ndlp; | |
532 | unsigned char *statep, *name; | |
533 | ||
534 | cnt = (LPFC_NODELIST_SIZE / LPFC_NODELIST_ENTRY_SIZE); | |
535 | ||
536 | spin_lock_irq(shost->host_lock); | |
537 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
538 | if (!cnt) { | |
539 | len += snprintf(buf+len, size-len, | |
540 | "Missing Nodelist Entries\n"); | |
541 | break; | |
542 | } | |
543 | cnt--; | |
544 | switch (ndlp->nlp_state) { | |
545 | case NLP_STE_UNUSED_NODE: | |
546 | statep = "UNUSED"; | |
547 | break; | |
548 | case NLP_STE_PLOGI_ISSUE: | |
549 | statep = "PLOGI "; | |
550 | break; | |
551 | case NLP_STE_ADISC_ISSUE: | |
552 | statep = "ADISC "; | |
553 | break; | |
554 | case NLP_STE_REG_LOGIN_ISSUE: | |
555 | statep = "REGLOG"; | |
556 | break; | |
557 | case NLP_STE_PRLI_ISSUE: | |
558 | statep = "PRLI "; | |
559 | break; | |
560 | case NLP_STE_UNMAPPED_NODE: | |
561 | statep = "UNMAP "; | |
562 | break; | |
563 | case NLP_STE_MAPPED_NODE: | |
564 | statep = "MAPPED"; | |
565 | break; | |
566 | case NLP_STE_NPR_NODE: | |
567 | statep = "NPR "; | |
568 | break; | |
569 | default: | |
570 | statep = "UNKNOWN"; | |
571 | } | |
572 | len += snprintf(buf+len, size-len, "%s DID:x%06x ", | |
573 | statep, ndlp->nlp_DID); | |
574 | name = (unsigned char *)&ndlp->nlp_portname; | |
575 | len += snprintf(buf+len, size-len, | |
576 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x ", | |
577 | *name, *(name+1), *(name+2), *(name+3), | |
578 | *(name+4), *(name+5), *(name+6), *(name+7)); | |
579 | name = (unsigned char *)&ndlp->nlp_nodename; | |
580 | len += snprintf(buf+len, size-len, | |
581 | "WWNN %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 | len += snprintf(buf+len, size-len, "RPI:%03d flag:x%08x ", | |
585 | ndlp->nlp_rpi, ndlp->nlp_flag); | |
586 | if (!ndlp->nlp_type) | |
a58cbd52 | 587 | len += snprintf(buf+len, size-len, "UNKNOWN_TYPE "); |
858c9f6c JS |
588 | if (ndlp->nlp_type & NLP_FC_NODE) |
589 | len += snprintf(buf+len, size-len, "FC_NODE "); | |
590 | if (ndlp->nlp_type & NLP_FABRIC) | |
591 | len += snprintf(buf+len, size-len, "FABRIC "); | |
592 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
593 | len += snprintf(buf+len, size-len, "FCP_TGT sid:%d ", | |
594 | ndlp->nlp_sid); | |
595 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
a58cbd52 | 596 | len += snprintf(buf+len, size-len, "FCP_INITIATOR "); |
58da1ffb JS |
597 | len += snprintf(buf+len, size-len, "usgmap:%x ", |
598 | ndlp->nlp_usg_map); | |
a58cbd52 JS |
599 | len += snprintf(buf+len, size-len, "refcnt:%x", |
600 | atomic_read(&ndlp->kref.refcount)); | |
858c9f6c JS |
601 | len += snprintf(buf+len, size-len, "\n"); |
602 | } | |
603 | spin_unlock_irq(shost->host_lock); | |
604 | return len; | |
605 | } | |
606 | #endif | |
607 | ||
e59058c4 | 608 | /** |
3621a710 | 609 | * lpfc_debugfs_disc_trc - Store discovery trace log |
e59058c4 JS |
610 | * @vport: The vport to associate this trace string with for retrieval. |
611 | * @mask: Log entry classification. | |
612 | * @fmt: Format string to be displayed when dumping the log. | |
613 | * @data1: 1st data parameter to be applied to @fmt. | |
614 | * @data2: 2nd data parameter to be applied to @fmt. | |
615 | * @data3: 3rd data parameter to be applied to @fmt. | |
616 | * | |
617 | * Description: | |
618 | * This routine is used by the driver code to add a debugfs log entry to the | |
619 | * discovery trace buffer associated with @vport. Only entries with a @mask that | |
620 | * match the current debugfs discovery mask will be saved. Entries that do not | |
621 | * match will be thrown away. @fmt, @data1, @data2, and @data3 are used like | |
622 | * printf when displaying the log. | |
623 | **/ | |
858c9f6c JS |
624 | inline void |
625 | lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt, | |
626 | uint32_t data1, uint32_t data2, uint32_t data3) | |
627 | { | |
923e4b6a | 628 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
a58cbd52 | 629 | struct lpfc_debugfs_trc *dtp; |
858c9f6c JS |
630 | int index; |
631 | ||
632 | if (!(lpfc_debugfs_mask_disc_trc & mask)) | |
633 | return; | |
634 | ||
635 | if (!lpfc_debugfs_enable || !lpfc_debugfs_max_disc_trc || | |
636 | !vport || !vport->disc_trc) | |
637 | return; | |
638 | ||
639 | index = atomic_inc_return(&vport->disc_trc_cnt) & | |
640 | (lpfc_debugfs_max_disc_trc - 1); | |
641 | dtp = vport->disc_trc + index; | |
642 | dtp->fmt = fmt; | |
643 | dtp->data1 = data1; | |
644 | dtp->data2 = data2; | |
645 | dtp->data3 = data3; | |
a58cbd52 JS |
646 | dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); |
647 | dtp->jif = jiffies; | |
648 | #endif | |
649 | return; | |
650 | } | |
651 | ||
e59058c4 | 652 | /** |
3621a710 | 653 | * lpfc_debugfs_slow_ring_trc - Store slow ring trace log |
e59058c4 JS |
654 | * @phba: The phba to associate this trace string with for retrieval. |
655 | * @fmt: Format string to be displayed when dumping the log. | |
656 | * @data1: 1st data parameter to be applied to @fmt. | |
657 | * @data2: 2nd data parameter to be applied to @fmt. | |
658 | * @data3: 3rd data parameter to be applied to @fmt. | |
659 | * | |
660 | * Description: | |
661 | * This routine is used by the driver code to add a debugfs log entry to the | |
662 | * discovery trace buffer associated with @vport. @fmt, @data1, @data2, and | |
663 | * @data3 are used like printf when displaying the log. | |
664 | **/ | |
a58cbd52 JS |
665 | inline void |
666 | lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt, | |
667 | uint32_t data1, uint32_t data2, uint32_t data3) | |
668 | { | |
923e4b6a | 669 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
a58cbd52 JS |
670 | struct lpfc_debugfs_trc *dtp; |
671 | int index; | |
672 | ||
673 | if (!lpfc_debugfs_enable || !lpfc_debugfs_max_slow_ring_trc || | |
674 | !phba || !phba->slow_ring_trc) | |
675 | return; | |
676 | ||
677 | index = atomic_inc_return(&phba->slow_ring_trc_cnt) & | |
678 | (lpfc_debugfs_max_slow_ring_trc - 1); | |
679 | dtp = phba->slow_ring_trc + index; | |
680 | dtp->fmt = fmt; | |
681 | dtp->data1 = data1; | |
682 | dtp->data2 = data2; | |
683 | dtp->data3 = data3; | |
684 | dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); | |
858c9f6c JS |
685 | dtp->jif = jiffies; |
686 | #endif | |
687 | return; | |
688 | } | |
689 | ||
923e4b6a | 690 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
e59058c4 | 691 | /** |
3621a710 | 692 | * lpfc_debugfs_disc_trc_open - Open the discovery trace log |
e59058c4 JS |
693 | * @inode: The inode pointer that contains a vport pointer. |
694 | * @file: The file pointer to attach the log output. | |
695 | * | |
696 | * Description: | |
697 | * This routine is the entry point for the debugfs open file operation. It gets | |
698 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
699 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
700 | * returns a pointer to that log in the private_data field in @file. | |
701 | * | |
702 | * Returns: | |
703 | * This function returns zero if successful. On error it will return an negative | |
704 | * error value. | |
705 | **/ | |
858c9f6c JS |
706 | static int |
707 | lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file) | |
708 | { | |
709 | struct lpfc_vport *vport = inode->i_private; | |
710 | struct lpfc_debug *debug; | |
711 | int size; | |
712 | int rc = -ENOMEM; | |
713 | ||
714 | if (!lpfc_debugfs_max_disc_trc) { | |
715 | rc = -ENOSPC; | |
716 | goto out; | |
717 | } | |
718 | ||
719 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
720 | if (!debug) | |
721 | goto out; | |
722 | ||
e59058c4 | 723 | /* Round to page boundary */ |
a58cbd52 | 724 | size = (lpfc_debugfs_max_disc_trc * LPFC_DEBUG_TRC_ENTRY_SIZE); |
858c9f6c JS |
725 | size = PAGE_ALIGN(size); |
726 | ||
727 | debug->buffer = kmalloc(size, GFP_KERNEL); | |
728 | if (!debug->buffer) { | |
729 | kfree(debug); | |
730 | goto out; | |
731 | } | |
732 | ||
733 | debug->len = lpfc_debugfs_disc_trc_data(vport, debug->buffer, size); | |
734 | file->private_data = debug; | |
735 | ||
736 | rc = 0; | |
737 | out: | |
738 | return rc; | |
739 | } | |
740 | ||
e59058c4 | 741 | /** |
3621a710 | 742 | * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log |
e59058c4 JS |
743 | * @inode: The inode pointer that contains a vport pointer. |
744 | * @file: The file pointer to attach the log output. | |
745 | * | |
746 | * Description: | |
747 | * This routine is the entry point for the debugfs open file operation. It gets | |
748 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
749 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
750 | * returns a pointer to that log in the private_data field in @file. | |
751 | * | |
752 | * Returns: | |
753 | * This function returns zero if successful. On error it will return an negative | |
754 | * error value. | |
755 | **/ | |
a58cbd52 JS |
756 | static int |
757 | lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file) | |
758 | { | |
759 | struct lpfc_hba *phba = inode->i_private; | |
760 | struct lpfc_debug *debug; | |
761 | int size; | |
762 | int rc = -ENOMEM; | |
763 | ||
764 | if (!lpfc_debugfs_max_slow_ring_trc) { | |
765 | rc = -ENOSPC; | |
766 | goto out; | |
767 | } | |
768 | ||
769 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
770 | if (!debug) | |
771 | goto out; | |
772 | ||
e59058c4 | 773 | /* Round to page boundary */ |
a58cbd52 JS |
774 | size = (lpfc_debugfs_max_slow_ring_trc * LPFC_DEBUG_TRC_ENTRY_SIZE); |
775 | size = PAGE_ALIGN(size); | |
776 | ||
777 | debug->buffer = kmalloc(size, GFP_KERNEL); | |
778 | if (!debug->buffer) { | |
779 | kfree(debug); | |
780 | goto out; | |
781 | } | |
782 | ||
783 | debug->len = lpfc_debugfs_slow_ring_trc_data(phba, debug->buffer, size); | |
784 | file->private_data = debug; | |
785 | ||
786 | rc = 0; | |
787 | out: | |
788 | return rc; | |
789 | } | |
790 | ||
e59058c4 | 791 | /** |
3621a710 | 792 | * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer |
e59058c4 JS |
793 | * @inode: The inode pointer that contains a vport pointer. |
794 | * @file: The file pointer to attach the log output. | |
795 | * | |
796 | * Description: | |
797 | * This routine is the entry point for the debugfs open file operation. It gets | |
798 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
799 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
800 | * returns a pointer to that log in the private_data field in @file. | |
801 | * | |
802 | * Returns: | |
803 | * This function returns zero if successful. On error it will return an negative | |
804 | * error value. | |
805 | **/ | |
78b2d852 JS |
806 | static int |
807 | lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file) | |
808 | { | |
809 | struct lpfc_hba *phba = inode->i_private; | |
810 | struct lpfc_debug *debug; | |
811 | int rc = -ENOMEM; | |
812 | ||
813 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
814 | if (!debug) | |
815 | goto out; | |
816 | ||
e59058c4 | 817 | /* Round to page boundary */ |
78b2d852 JS |
818 | debug->buffer = kmalloc(LPFC_HBQINFO_SIZE, GFP_KERNEL); |
819 | if (!debug->buffer) { | |
820 | kfree(debug); | |
821 | goto out; | |
822 | } | |
823 | ||
824 | debug->len = lpfc_debugfs_hbqinfo_data(phba, debug->buffer, | |
825 | LPFC_HBQINFO_SIZE); | |
826 | file->private_data = debug; | |
827 | ||
828 | rc = 0; | |
829 | out: | |
830 | return rc; | |
831 | } | |
832 | ||
e59058c4 | 833 | /** |
3621a710 | 834 | * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer |
e59058c4 JS |
835 | * @inode: The inode pointer that contains a vport pointer. |
836 | * @file: The file pointer to attach the log output. | |
837 | * | |
838 | * Description: | |
839 | * This routine is the entry point for the debugfs open file operation. It gets | |
840 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
841 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
842 | * returns a pointer to that log in the private_data field in @file. | |
843 | * | |
844 | * Returns: | |
845 | * This function returns zero if successful. On error it will return an negative | |
846 | * error value. | |
847 | **/ | |
a58cbd52 | 848 | static int |
c95d6c6c | 849 | lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file) |
a58cbd52 JS |
850 | { |
851 | struct lpfc_hba *phba = inode->i_private; | |
852 | struct lpfc_debug *debug; | |
853 | int rc = -ENOMEM; | |
854 | ||
855 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
856 | if (!debug) | |
857 | goto out; | |
858 | ||
e59058c4 | 859 | /* Round to page boundary */ |
c95d6c6c | 860 | debug->buffer = kmalloc(LPFC_DUMPHBASLIM_SIZE, GFP_KERNEL); |
a58cbd52 JS |
861 | if (!debug->buffer) { |
862 | kfree(debug); | |
863 | goto out; | |
864 | } | |
865 | ||
c95d6c6c JS |
866 | debug->len = lpfc_debugfs_dumpHBASlim_data(phba, debug->buffer, |
867 | LPFC_DUMPHBASLIM_SIZE); | |
868 | file->private_data = debug; | |
869 | ||
870 | rc = 0; | |
871 | out: | |
872 | return rc; | |
873 | } | |
874 | ||
e59058c4 | 875 | /** |
3621a710 | 876 | * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer |
e59058c4 JS |
877 | * @inode: The inode pointer that contains a vport pointer. |
878 | * @file: The file pointer to attach the log output. | |
879 | * | |
880 | * Description: | |
881 | * This routine is the entry point for the debugfs open file operation. It gets | |
882 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
883 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
884 | * returns a pointer to that log in the private_data field in @file. | |
885 | * | |
886 | * Returns: | |
887 | * This function returns zero if successful. On error it will return an negative | |
888 | * error value. | |
889 | **/ | |
c95d6c6c JS |
890 | static int |
891 | lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file) | |
892 | { | |
893 | struct lpfc_hba *phba = inode->i_private; | |
894 | struct lpfc_debug *debug; | |
895 | int rc = -ENOMEM; | |
896 | ||
897 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
898 | if (!debug) | |
899 | goto out; | |
900 | ||
e59058c4 | 901 | /* Round to page boundary */ |
c95d6c6c JS |
902 | debug->buffer = kmalloc(LPFC_DUMPHOSTSLIM_SIZE, GFP_KERNEL); |
903 | if (!debug->buffer) { | |
904 | kfree(debug); | |
905 | goto out; | |
906 | } | |
907 | ||
908 | debug->len = lpfc_debugfs_dumpHostSlim_data(phba, debug->buffer, | |
909 | LPFC_DUMPHOSTSLIM_SIZE); | |
a58cbd52 JS |
910 | file->private_data = debug; |
911 | ||
912 | rc = 0; | |
913 | out: | |
914 | return rc; | |
915 | } | |
916 | ||
e2a0a9d6 JS |
917 | static int |
918 | lpfc_debugfs_dumpData_open(struct inode *inode, struct file *file) | |
919 | { | |
920 | struct lpfc_debug *debug; | |
921 | int rc = -ENOMEM; | |
922 | ||
923 | if (!_dump_buf_data) | |
924 | return -EBUSY; | |
925 | ||
926 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
927 | if (!debug) | |
928 | goto out; | |
929 | ||
25985edc | 930 | /* Round to page boundary */ |
6a9c52cf | 931 | printk(KERN_ERR "9059 BLKGRD: %s: _dump_buf_data=0x%p\n", |
e2a0a9d6 JS |
932 | __func__, _dump_buf_data); |
933 | debug->buffer = _dump_buf_data; | |
934 | if (!debug->buffer) { | |
935 | kfree(debug); | |
936 | goto out; | |
937 | } | |
938 | ||
939 | debug->len = (1 << _dump_buf_data_order) << PAGE_SHIFT; | |
940 | file->private_data = debug; | |
941 | ||
942 | rc = 0; | |
943 | out: | |
944 | return rc; | |
945 | } | |
946 | ||
947 | static int | |
948 | lpfc_debugfs_dumpDif_open(struct inode *inode, struct file *file) | |
949 | { | |
950 | struct lpfc_debug *debug; | |
951 | int rc = -ENOMEM; | |
952 | ||
953 | if (!_dump_buf_dif) | |
954 | return -EBUSY; | |
955 | ||
956 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
957 | if (!debug) | |
958 | goto out; | |
959 | ||
25985edc | 960 | /* Round to page boundary */ |
6a9c52cf JS |
961 | printk(KERN_ERR "9060 BLKGRD: %s: _dump_buf_dif=0x%p file=%s\n", |
962 | __func__, _dump_buf_dif, file->f_dentry->d_name.name); | |
e2a0a9d6 JS |
963 | debug->buffer = _dump_buf_dif; |
964 | if (!debug->buffer) { | |
965 | kfree(debug); | |
966 | goto out; | |
967 | } | |
968 | ||
969 | debug->len = (1 << _dump_buf_dif_order) << PAGE_SHIFT; | |
970 | file->private_data = debug; | |
971 | ||
972 | rc = 0; | |
973 | out: | |
974 | return rc; | |
975 | } | |
976 | ||
977 | static ssize_t | |
978 | lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf, | |
979 | size_t nbytes, loff_t *ppos) | |
980 | { | |
981 | /* | |
982 | * The Data/DIF buffers only save one failing IO | |
983 | * The write op is used as a reset mechanism after an IO has | |
984 | * already been saved to the next one can be saved | |
985 | */ | |
986 | spin_lock(&_dump_buf_lock); | |
987 | ||
988 | memset((void *)_dump_buf_data, 0, | |
989 | ((1 << PAGE_SHIFT) << _dump_buf_data_order)); | |
990 | memset((void *)_dump_buf_dif, 0, | |
991 | ((1 << PAGE_SHIFT) << _dump_buf_dif_order)); | |
992 | ||
993 | _dump_buf_done = 0; | |
994 | ||
995 | spin_unlock(&_dump_buf_lock); | |
996 | ||
997 | return nbytes; | |
998 | } | |
999 | ||
f9bb2da1 JS |
1000 | static int |
1001 | lpfc_debugfs_dif_err_open(struct inode *inode, struct file *file) | |
1002 | { | |
1003 | file->private_data = inode->i_private; | |
1004 | return 0; | |
1005 | } | |
1006 | ||
1007 | static ssize_t | |
1008 | lpfc_debugfs_dif_err_read(struct file *file, char __user *buf, | |
1009 | size_t nbytes, loff_t *ppos) | |
1010 | { | |
1011 | struct dentry *dent = file->f_dentry; | |
1012 | struct lpfc_hba *phba = file->private_data; | |
1013 | char cbuf[16]; | |
1014 | int cnt = 0; | |
1015 | ||
1016 | if (dent == phba->debug_writeGuard) | |
1017 | cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wgrd_cnt); | |
1018 | else if (dent == phba->debug_writeApp) | |
1019 | cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wapp_cnt); | |
1020 | else if (dent == phba->debug_writeRef) | |
1021 | cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wref_cnt); | |
1022 | else if (dent == phba->debug_readApp) | |
1023 | cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_rapp_cnt); | |
1024 | else if (dent == phba->debug_readRef) | |
1025 | cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_rref_cnt); | |
1026 | else if (dent == phba->debug_InjErrLBA) | |
1027 | cnt = snprintf(cbuf, 16, "0x%lx\n", | |
1028 | (unsigned long) phba->lpfc_injerr_lba); | |
1029 | else | |
1030 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1031 | "0547 Unknown debugfs error injection entry\n"); | |
1032 | ||
1033 | return simple_read_from_buffer(buf, nbytes, ppos, &cbuf, cnt); | |
1034 | } | |
1035 | ||
1036 | static ssize_t | |
1037 | lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf, | |
1038 | size_t nbytes, loff_t *ppos) | |
1039 | { | |
1040 | struct dentry *dent = file->f_dentry; | |
1041 | struct lpfc_hba *phba = file->private_data; | |
1042 | char dstbuf[32]; | |
1043 | unsigned long tmp; | |
1044 | int size; | |
1045 | ||
1046 | memset(dstbuf, 0, 32); | |
1047 | size = (nbytes < 32) ? nbytes : 32; | |
1048 | if (copy_from_user(dstbuf, buf, size)) | |
1049 | return 0; | |
1050 | ||
1051 | if (strict_strtoul(dstbuf, 0, &tmp)) | |
1052 | return 0; | |
1053 | ||
1054 | if (dent == phba->debug_writeGuard) | |
1055 | phba->lpfc_injerr_wgrd_cnt = (uint32_t)tmp; | |
1056 | else if (dent == phba->debug_writeApp) | |
1057 | phba->lpfc_injerr_wapp_cnt = (uint32_t)tmp; | |
1058 | else if (dent == phba->debug_writeRef) | |
1059 | phba->lpfc_injerr_wref_cnt = (uint32_t)tmp; | |
1060 | else if (dent == phba->debug_readApp) | |
1061 | phba->lpfc_injerr_rapp_cnt = (uint32_t)tmp; | |
1062 | else if (dent == phba->debug_readRef) | |
1063 | phba->lpfc_injerr_rref_cnt = (uint32_t)tmp; | |
1064 | else if (dent == phba->debug_InjErrLBA) | |
1065 | phba->lpfc_injerr_lba = (sector_t)tmp; | |
1066 | else | |
1067 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1068 | "0548 Unknown debugfs error injection entry\n"); | |
1069 | ||
1070 | return nbytes; | |
1071 | } | |
1072 | ||
1073 | static int | |
1074 | lpfc_debugfs_dif_err_release(struct inode *inode, struct file *file) | |
1075 | { | |
1076 | return 0; | |
1077 | } | |
1078 | ||
e59058c4 | 1079 | /** |
3621a710 | 1080 | * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file |
e59058c4 JS |
1081 | * @inode: The inode pointer that contains a vport pointer. |
1082 | * @file: The file pointer to attach the log output. | |
1083 | * | |
1084 | * Description: | |
1085 | * This routine is the entry point for the debugfs open file operation. It gets | |
1086 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
1087 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
1088 | * returns a pointer to that log in the private_data field in @file. | |
1089 | * | |
1090 | * Returns: | |
1091 | * This function returns zero if successful. On error it will return an negative | |
1092 | * error value. | |
1093 | **/ | |
858c9f6c JS |
1094 | static int |
1095 | lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file) | |
1096 | { | |
1097 | struct lpfc_vport *vport = inode->i_private; | |
1098 | struct lpfc_debug *debug; | |
1099 | int rc = -ENOMEM; | |
1100 | ||
1101 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1102 | if (!debug) | |
1103 | goto out; | |
1104 | ||
e59058c4 | 1105 | /* Round to page boundary */ |
858c9f6c JS |
1106 | debug->buffer = kmalloc(LPFC_NODELIST_SIZE, GFP_KERNEL); |
1107 | if (!debug->buffer) { | |
1108 | kfree(debug); | |
1109 | goto out; | |
1110 | } | |
1111 | ||
1112 | debug->len = lpfc_debugfs_nodelist_data(vport, debug->buffer, | |
1113 | LPFC_NODELIST_SIZE); | |
1114 | file->private_data = debug; | |
1115 | ||
1116 | rc = 0; | |
1117 | out: | |
1118 | return rc; | |
1119 | } | |
1120 | ||
e59058c4 | 1121 | /** |
3621a710 | 1122 | * lpfc_debugfs_lseek - Seek through a debugfs file |
e59058c4 JS |
1123 | * @file: The file pointer to seek through. |
1124 | * @off: The offset to seek to or the amount to seek by. | |
1125 | * @whence: Indicates how to seek. | |
1126 | * | |
1127 | * Description: | |
1128 | * This routine is the entry point for the debugfs lseek file operation. The | |
1129 | * @whence parameter indicates whether @off is the offset to directly seek to, | |
1130 | * or if it is a value to seek forward or reverse by. This function figures out | |
1131 | * what the new offset of the debugfs file will be and assigns that value to the | |
1132 | * f_pos field of @file. | |
1133 | * | |
1134 | * Returns: | |
1135 | * This function returns the new offset if successful and returns a negative | |
1136 | * error if unable to process the seek. | |
1137 | **/ | |
858c9f6c JS |
1138 | static loff_t |
1139 | lpfc_debugfs_lseek(struct file *file, loff_t off, int whence) | |
1140 | { | |
1141 | struct lpfc_debug *debug; | |
1142 | loff_t pos = -1; | |
1143 | ||
1144 | debug = file->private_data; | |
1145 | ||
1146 | switch (whence) { | |
1147 | case 0: | |
1148 | pos = off; | |
1149 | break; | |
1150 | case 1: | |
1151 | pos = file->f_pos + off; | |
1152 | break; | |
1153 | case 2: | |
1154 | pos = debug->len - off; | |
1155 | } | |
1156 | return (pos < 0 || pos > debug->len) ? -EINVAL : (file->f_pos = pos); | |
1157 | } | |
1158 | ||
e59058c4 | 1159 | /** |
3621a710 | 1160 | * lpfc_debugfs_read - Read a debugfs file |
e59058c4 JS |
1161 | * @file: The file pointer to read from. |
1162 | * @buf: The buffer to copy the data to. | |
1163 | * @nbytes: The number of bytes to read. | |
1164 | * @ppos: The position in the file to start reading from. | |
1165 | * | |
1166 | * Description: | |
1167 | * This routine reads data from from the buffer indicated in the private_data | |
1168 | * field of @file. It will start reading at @ppos and copy up to @nbytes of | |
1169 | * data to @buf. | |
1170 | * | |
1171 | * Returns: | |
1172 | * This function returns the amount of data that was read (this could be less | |
1173 | * than @nbytes if the end of the file was reached) or a negative error value. | |
1174 | **/ | |
858c9f6c JS |
1175 | static ssize_t |
1176 | lpfc_debugfs_read(struct file *file, char __user *buf, | |
1177 | size_t nbytes, loff_t *ppos) | |
1178 | { | |
1179 | struct lpfc_debug *debug = file->private_data; | |
2a622bfb | 1180 | |
858c9f6c JS |
1181 | return simple_read_from_buffer(buf, nbytes, ppos, debug->buffer, |
1182 | debug->len); | |
1183 | } | |
1184 | ||
e59058c4 | 1185 | /** |
3621a710 | 1186 | * lpfc_debugfs_release - Release the buffer used to store debugfs file data |
e59058c4 JS |
1187 | * @inode: The inode pointer that contains a vport pointer. (unused) |
1188 | * @file: The file pointer that contains the buffer to release. | |
1189 | * | |
1190 | * Description: | |
1191 | * This routine frees the buffer that was allocated when the debugfs file was | |
1192 | * opened. | |
1193 | * | |
1194 | * Returns: | |
1195 | * This function returns zero. | |
1196 | **/ | |
858c9f6c JS |
1197 | static int |
1198 | lpfc_debugfs_release(struct inode *inode, struct file *file) | |
1199 | { | |
1200 | struct lpfc_debug *debug = file->private_data; | |
1201 | ||
1202 | kfree(debug->buffer); | |
1203 | kfree(debug); | |
1204 | ||
1205 | return 0; | |
1206 | } | |
1207 | ||
e2a0a9d6 JS |
1208 | static int |
1209 | lpfc_debugfs_dumpDataDif_release(struct inode *inode, struct file *file) | |
1210 | { | |
1211 | struct lpfc_debug *debug = file->private_data; | |
1212 | ||
1213 | debug->buffer = NULL; | |
1214 | kfree(debug); | |
1215 | ||
1216 | return 0; | |
1217 | } | |
1218 | ||
2a622bfb | 1219 | /* |
86a80846 | 1220 | * --------------------------------- |
2a622bfb | 1221 | * iDiag debugfs file access methods |
86a80846 | 1222 | * --------------------------------- |
2a622bfb | 1223 | * |
86a80846 JS |
1224 | * All access methods are through the proper SLI4 PCI function's debugfs |
1225 | * iDiag directory: | |
2a622bfb | 1226 | * |
86a80846 | 1227 | * /sys/kernel/debug/lpfc/fn<#>/iDiag |
2a622bfb JS |
1228 | */ |
1229 | ||
1230 | /** | |
1231 | * lpfc_idiag_cmd_get - Get and parse idiag debugfs comands from user space | |
1232 | * @buf: The pointer to the user space buffer. | |
1233 | * @nbytes: The number of bytes in the user space buffer. | |
1234 | * @idiag_cmd: pointer to the idiag command struct. | |
1235 | * | |
1236 | * This routine reads data from debugfs user space buffer and parses the | |
1237 | * buffer for getting the idiag command and arguments. The while space in | |
1238 | * between the set of data is used as the parsing separator. | |
1239 | * | |
1240 | * This routine returns 0 when successful, it returns proper error code | |
1241 | * back to the user space in error conditions. | |
1242 | */ | |
1243 | static int lpfc_idiag_cmd_get(const char __user *buf, size_t nbytes, | |
1244 | struct lpfc_idiag_cmd *idiag_cmd) | |
1245 | { | |
1246 | char mybuf[64]; | |
1247 | char *pbuf, *step_str; | |
b11d48e8 SB |
1248 | int i; |
1249 | size_t bsize; | |
2a622bfb JS |
1250 | |
1251 | /* Protect copy from user */ | |
1252 | if (!access_ok(VERIFY_READ, buf, nbytes)) | |
1253 | return -EFAULT; | |
1254 | ||
1255 | memset(mybuf, 0, sizeof(mybuf)); | |
1256 | memset(idiag_cmd, 0, sizeof(*idiag_cmd)); | |
1257 | bsize = min(nbytes, (sizeof(mybuf)-1)); | |
1258 | ||
1259 | if (copy_from_user(mybuf, buf, bsize)) | |
1260 | return -EFAULT; | |
1261 | pbuf = &mybuf[0]; | |
1262 | step_str = strsep(&pbuf, "\t "); | |
1263 | ||
1264 | /* The opcode must present */ | |
1265 | if (!step_str) | |
1266 | return -EINVAL; | |
1267 | ||
1268 | idiag_cmd->opcode = simple_strtol(step_str, NULL, 0); | |
1269 | if (idiag_cmd->opcode == 0) | |
1270 | return -EINVAL; | |
1271 | ||
1272 | for (i = 0; i < LPFC_IDIAG_CMD_DATA_SIZE; i++) { | |
1273 | step_str = strsep(&pbuf, "\t "); | |
1274 | if (!step_str) | |
86a80846 | 1275 | return i; |
2a622bfb JS |
1276 | idiag_cmd->data[i] = simple_strtol(step_str, NULL, 0); |
1277 | } | |
86a80846 | 1278 | return i; |
2a622bfb JS |
1279 | } |
1280 | ||
1281 | /** | |
1282 | * lpfc_idiag_open - idiag open debugfs | |
1283 | * @inode: The inode pointer that contains a pointer to phba. | |
1284 | * @file: The file pointer to attach the file operation. | |
1285 | * | |
1286 | * Description: | |
1287 | * This routine is the entry point for the debugfs open file operation. It | |
1288 | * gets the reference to phba from the i_private field in @inode, it then | |
1289 | * allocates buffer for the file operation, performs the necessary PCI config | |
1290 | * space read into the allocated buffer according to the idiag user command | |
1291 | * setup, and then returns a pointer to buffer in the private_data field in | |
1292 | * @file. | |
1293 | * | |
1294 | * Returns: | |
1295 | * This function returns zero if successful. On error it will return an | |
1296 | * negative error value. | |
1297 | **/ | |
1298 | static int | |
1299 | lpfc_idiag_open(struct inode *inode, struct file *file) | |
1300 | { | |
1301 | struct lpfc_debug *debug; | |
1302 | ||
1303 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1304 | if (!debug) | |
1305 | return -ENOMEM; | |
1306 | ||
1307 | debug->i_private = inode->i_private; | |
1308 | debug->buffer = NULL; | |
1309 | file->private_data = debug; | |
1310 | ||
1311 | return 0; | |
1312 | } | |
1313 | ||
1314 | /** | |
1315 | * lpfc_idiag_release - Release idiag access file operation | |
1316 | * @inode: The inode pointer that contains a vport pointer. (unused) | |
1317 | * @file: The file pointer that contains the buffer to release. | |
1318 | * | |
1319 | * Description: | |
1320 | * This routine is the generic release routine for the idiag access file | |
1321 | * operation, it frees the buffer that was allocated when the debugfs file | |
1322 | * was opened. | |
1323 | * | |
1324 | * Returns: | |
1325 | * This function returns zero. | |
1326 | **/ | |
1327 | static int | |
1328 | lpfc_idiag_release(struct inode *inode, struct file *file) | |
1329 | { | |
1330 | struct lpfc_debug *debug = file->private_data; | |
1331 | ||
1332 | /* Free the buffers to the file operation */ | |
1333 | kfree(debug->buffer); | |
1334 | kfree(debug); | |
1335 | ||
1336 | return 0; | |
1337 | } | |
1338 | ||
1339 | /** | |
1340 | * lpfc_idiag_cmd_release - Release idiag cmd access file operation | |
1341 | * @inode: The inode pointer that contains a vport pointer. (unused) | |
1342 | * @file: The file pointer that contains the buffer to release. | |
1343 | * | |
1344 | * Description: | |
1345 | * This routine frees the buffer that was allocated when the debugfs file | |
1346 | * was opened. It also reset the fields in the idiag command struct in the | |
86a80846 | 1347 | * case of command for write operation. |
2a622bfb JS |
1348 | * |
1349 | * Returns: | |
1350 | * This function returns zero. | |
1351 | **/ | |
1352 | static int | |
1353 | lpfc_idiag_cmd_release(struct inode *inode, struct file *file) | |
1354 | { | |
1355 | struct lpfc_debug *debug = file->private_data; | |
1356 | ||
86a80846 JS |
1357 | if (debug->op == LPFC_IDIAG_OP_WR) { |
1358 | switch (idiag.cmd.opcode) { | |
1359 | case LPFC_IDIAG_CMD_PCICFG_WR: | |
1360 | case LPFC_IDIAG_CMD_PCICFG_ST: | |
1361 | case LPFC_IDIAG_CMD_PCICFG_CL: | |
1362 | case LPFC_IDIAG_CMD_QUEACC_WR: | |
1363 | case LPFC_IDIAG_CMD_QUEACC_ST: | |
1364 | case LPFC_IDIAG_CMD_QUEACC_CL: | |
2a622bfb | 1365 | memset(&idiag, 0, sizeof(idiag)); |
86a80846 JS |
1366 | break; |
1367 | default: | |
1368 | break; | |
1369 | } | |
1370 | } | |
2a622bfb JS |
1371 | |
1372 | /* Free the buffers to the file operation */ | |
1373 | kfree(debug->buffer); | |
1374 | kfree(debug); | |
1375 | ||
1376 | return 0; | |
1377 | } | |
1378 | ||
1379 | /** | |
1380 | * lpfc_idiag_pcicfg_read - idiag debugfs read pcicfg | |
1381 | * @file: The file pointer to read from. | |
1382 | * @buf: The buffer to copy the data to. | |
1383 | * @nbytes: The number of bytes to read. | |
1384 | * @ppos: The position in the file to start reading from. | |
1385 | * | |
1386 | * Description: | |
1387 | * This routine reads data from the @phba pci config space according to the | |
1388 | * idiag command, and copies to user @buf. Depending on the PCI config space | |
1389 | * read command setup, it does either a single register read of a byte | |
1390 | * (8 bits), a word (16 bits), or a dword (32 bits) or browsing through all | |
1391 | * registers from the 4K extended PCI config space. | |
1392 | * | |
1393 | * Returns: | |
1394 | * This function returns the amount of data that was read (this could be less | |
1395 | * than @nbytes if the end of the file was reached) or a negative error value. | |
1396 | **/ | |
1397 | static ssize_t | |
1398 | lpfc_idiag_pcicfg_read(struct file *file, char __user *buf, size_t nbytes, | |
1399 | loff_t *ppos) | |
1400 | { | |
1401 | struct lpfc_debug *debug = file->private_data; | |
1402 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
1403 | int offset_label, offset, len = 0, index = LPFC_PCI_CFG_RD_SIZE; | |
1404 | int where, count; | |
1405 | char *pbuffer; | |
1406 | struct pci_dev *pdev; | |
1407 | uint32_t u32val; | |
1408 | uint16_t u16val; | |
1409 | uint8_t u8val; | |
1410 | ||
1411 | pdev = phba->pcidev; | |
1412 | if (!pdev) | |
1413 | return 0; | |
1414 | ||
1415 | /* This is a user read operation */ | |
1416 | debug->op = LPFC_IDIAG_OP_RD; | |
1417 | ||
1418 | if (!debug->buffer) | |
1419 | debug->buffer = kmalloc(LPFC_PCI_CFG_SIZE, GFP_KERNEL); | |
1420 | if (!debug->buffer) | |
1421 | return 0; | |
1422 | pbuffer = debug->buffer; | |
1423 | ||
1424 | if (*ppos) | |
1425 | return 0; | |
1426 | ||
1427 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) { | |
b76f2dc9 JS |
1428 | where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX]; |
1429 | count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX]; | |
2a622bfb JS |
1430 | } else |
1431 | return 0; | |
1432 | ||
1433 | /* Read single PCI config space register */ | |
1434 | switch (count) { | |
1435 | case SIZE_U8: /* byte (8 bits) */ | |
1436 | pci_read_config_byte(pdev, where, &u8val); | |
1437 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
1438 | "%03x: %02x\n", where, u8val); | |
1439 | break; | |
1440 | case SIZE_U16: /* word (16 bits) */ | |
1441 | pci_read_config_word(pdev, where, &u16val); | |
1442 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
1443 | "%03x: %04x\n", where, u16val); | |
1444 | break; | |
1445 | case SIZE_U32: /* double word (32 bits) */ | |
1446 | pci_read_config_dword(pdev, where, &u32val); | |
1447 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
1448 | "%03x: %08x\n", where, u32val); | |
1449 | break; | |
86a80846 | 1450 | case LPFC_PCI_CFG_BROWSE: /* browse all */ |
2a622bfb JS |
1451 | goto pcicfg_browse; |
1452 | break; | |
1453 | default: | |
1454 | /* illegal count */ | |
1455 | len = 0; | |
1456 | break; | |
1457 | } | |
1458 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
1459 | ||
1460 | pcicfg_browse: | |
1461 | ||
1462 | /* Browse all PCI config space registers */ | |
1463 | offset_label = idiag.offset.last_rd; | |
1464 | offset = offset_label; | |
1465 | ||
1466 | /* Read PCI config space */ | |
1467 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
1468 | "%03x: ", offset_label); | |
1469 | while (index > 0) { | |
1470 | pci_read_config_dword(pdev, offset, &u32val); | |
1471 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
1472 | "%08x ", u32val); | |
1473 | offset += sizeof(uint32_t); | |
b76f2dc9 JS |
1474 | if (offset >= LPFC_PCI_CFG_SIZE) { |
1475 | len += snprintf(pbuffer+len, | |
1476 | LPFC_PCI_CFG_SIZE-len, "\n"); | |
1477 | break; | |
1478 | } | |
2a622bfb JS |
1479 | index -= sizeof(uint32_t); |
1480 | if (!index) | |
1481 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
1482 | "\n"); | |
1483 | else if (!(index % (8 * sizeof(uint32_t)))) { | |
1484 | offset_label += (8 * sizeof(uint32_t)); | |
1485 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
1486 | "\n%03x: ", offset_label); | |
1487 | } | |
1488 | } | |
1489 | ||
1490 | /* Set up the offset for next portion of pci cfg read */ | |
b76f2dc9 JS |
1491 | if (index == 0) { |
1492 | idiag.offset.last_rd += LPFC_PCI_CFG_RD_SIZE; | |
1493 | if (idiag.offset.last_rd >= LPFC_PCI_CFG_SIZE) | |
1494 | idiag.offset.last_rd = 0; | |
1495 | } else | |
2a622bfb JS |
1496 | idiag.offset.last_rd = 0; |
1497 | ||
1498 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
1499 | } | |
1500 | ||
1501 | /** | |
1502 | * lpfc_idiag_pcicfg_write - Syntax check and set up idiag pcicfg commands | |
1503 | * @file: The file pointer to read from. | |
1504 | * @buf: The buffer to copy the user data from. | |
1505 | * @nbytes: The number of bytes to get. | |
1506 | * @ppos: The position in the file to start reading from. | |
1507 | * | |
1508 | * This routine get the debugfs idiag command struct from user space and | |
1509 | * then perform the syntax check for PCI config space read or write command | |
1510 | * accordingly. In the case of PCI config space read command, it sets up | |
1511 | * the command in the idiag command struct for the debugfs read operation. | |
1512 | * In the case of PCI config space write operation, it executes the write | |
1513 | * operation into the PCI config space accordingly. | |
1514 | * | |
1515 | * It returns the @nbytges passing in from debugfs user space when successful. | |
1516 | * In case of error conditions, it returns proper error code back to the user | |
1517 | * space. | |
1518 | */ | |
1519 | static ssize_t | |
1520 | lpfc_idiag_pcicfg_write(struct file *file, const char __user *buf, | |
1521 | size_t nbytes, loff_t *ppos) | |
1522 | { | |
1523 | struct lpfc_debug *debug = file->private_data; | |
1524 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
1525 | uint32_t where, value, count; | |
1526 | uint32_t u32val; | |
1527 | uint16_t u16val; | |
1528 | uint8_t u8val; | |
1529 | struct pci_dev *pdev; | |
1530 | int rc; | |
1531 | ||
1532 | pdev = phba->pcidev; | |
1533 | if (!pdev) | |
1534 | return -EFAULT; | |
1535 | ||
1536 | /* This is a user write operation */ | |
1537 | debug->op = LPFC_IDIAG_OP_WR; | |
1538 | ||
1539 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
86a80846 | 1540 | if (rc < 0) |
2a622bfb JS |
1541 | return rc; |
1542 | ||
1543 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) { | |
86a80846 JS |
1544 | /* Sanity check on PCI config read command line arguments */ |
1545 | if (rc != LPFC_PCI_CFG_RD_CMD_ARG) | |
1546 | goto error_out; | |
2a622bfb | 1547 | /* Read command from PCI config space, set up command fields */ |
b76f2dc9 JS |
1548 | where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX]; |
1549 | count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX]; | |
86a80846 JS |
1550 | if (count == LPFC_PCI_CFG_BROWSE) { |
1551 | if (where % sizeof(uint32_t)) | |
2a622bfb | 1552 | goto error_out; |
86a80846 JS |
1553 | /* Starting offset to browse */ |
1554 | idiag.offset.last_rd = where; | |
2a622bfb JS |
1555 | } else if ((count != sizeof(uint8_t)) && |
1556 | (count != sizeof(uint16_t)) && | |
1557 | (count != sizeof(uint32_t))) | |
1558 | goto error_out; | |
1559 | if (count == sizeof(uint8_t)) { | |
1560 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t)) | |
1561 | goto error_out; | |
1562 | if (where % sizeof(uint8_t)) | |
1563 | goto error_out; | |
1564 | } | |
1565 | if (count == sizeof(uint16_t)) { | |
1566 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t)) | |
1567 | goto error_out; | |
1568 | if (where % sizeof(uint16_t)) | |
1569 | goto error_out; | |
1570 | } | |
1571 | if (count == sizeof(uint32_t)) { | |
1572 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t)) | |
1573 | goto error_out; | |
1574 | if (where % sizeof(uint32_t)) | |
1575 | goto error_out; | |
1576 | } | |
1577 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR || | |
1578 | idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST || | |
1579 | idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) { | |
86a80846 JS |
1580 | /* Sanity check on PCI config write command line arguments */ |
1581 | if (rc != LPFC_PCI_CFG_WR_CMD_ARG) | |
1582 | goto error_out; | |
2a622bfb | 1583 | /* Write command to PCI config space, read-modify-write */ |
b76f2dc9 JS |
1584 | where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX]; |
1585 | count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX]; | |
1586 | value = idiag.cmd.data[IDIAG_PCICFG_VALUE_INDX]; | |
2a622bfb JS |
1587 | /* Sanity checks */ |
1588 | if ((count != sizeof(uint8_t)) && | |
1589 | (count != sizeof(uint16_t)) && | |
1590 | (count != sizeof(uint32_t))) | |
1591 | goto error_out; | |
1592 | if (count == sizeof(uint8_t)) { | |
1593 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t)) | |
1594 | goto error_out; | |
1595 | if (where % sizeof(uint8_t)) | |
1596 | goto error_out; | |
1597 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR) | |
1598 | pci_write_config_byte(pdev, where, | |
1599 | (uint8_t)value); | |
1600 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) { | |
1601 | rc = pci_read_config_byte(pdev, where, &u8val); | |
1602 | if (!rc) { | |
1603 | u8val |= (uint8_t)value; | |
1604 | pci_write_config_byte(pdev, where, | |
1605 | u8val); | |
1606 | } | |
1607 | } | |
1608 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) { | |
1609 | rc = pci_read_config_byte(pdev, where, &u8val); | |
1610 | if (!rc) { | |
1611 | u8val &= (uint8_t)(~value); | |
1612 | pci_write_config_byte(pdev, where, | |
1613 | u8val); | |
1614 | } | |
1615 | } | |
1616 | } | |
1617 | if (count == sizeof(uint16_t)) { | |
1618 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t)) | |
1619 | goto error_out; | |
1620 | if (where % sizeof(uint16_t)) | |
1621 | goto error_out; | |
1622 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR) | |
1623 | pci_write_config_word(pdev, where, | |
1624 | (uint16_t)value); | |
1625 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) { | |
1626 | rc = pci_read_config_word(pdev, where, &u16val); | |
1627 | if (!rc) { | |
1628 | u16val |= (uint16_t)value; | |
1629 | pci_write_config_word(pdev, where, | |
1630 | u16val); | |
1631 | } | |
1632 | } | |
1633 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) { | |
1634 | rc = pci_read_config_word(pdev, where, &u16val); | |
1635 | if (!rc) { | |
1636 | u16val &= (uint16_t)(~value); | |
1637 | pci_write_config_word(pdev, where, | |
1638 | u16val); | |
1639 | } | |
1640 | } | |
1641 | } | |
1642 | if (count == sizeof(uint32_t)) { | |
1643 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t)) | |
1644 | goto error_out; | |
1645 | if (where % sizeof(uint32_t)) | |
1646 | goto error_out; | |
1647 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR) | |
1648 | pci_write_config_dword(pdev, where, value); | |
1649 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) { | |
1650 | rc = pci_read_config_dword(pdev, where, | |
1651 | &u32val); | |
1652 | if (!rc) { | |
1653 | u32val |= value; | |
1654 | pci_write_config_dword(pdev, where, | |
1655 | u32val); | |
1656 | } | |
1657 | } | |
1658 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) { | |
1659 | rc = pci_read_config_dword(pdev, where, | |
1660 | &u32val); | |
1661 | if (!rc) { | |
1662 | u32val &= ~value; | |
1663 | pci_write_config_dword(pdev, where, | |
1664 | u32val); | |
1665 | } | |
1666 | } | |
1667 | } | |
1668 | } else | |
1669 | /* All other opecodes are illegal for now */ | |
1670 | goto error_out; | |
1671 | ||
1672 | return nbytes; | |
1673 | error_out: | |
1674 | memset(&idiag, 0, sizeof(idiag)); | |
1675 | return -EINVAL; | |
1676 | } | |
1677 | ||
b76f2dc9 JS |
1678 | /** |
1679 | * lpfc_idiag_baracc_read - idiag debugfs pci bar access read | |
1680 | * @file: The file pointer to read from. | |
1681 | * @buf: The buffer to copy the data to. | |
1682 | * @nbytes: The number of bytes to read. | |
1683 | * @ppos: The position in the file to start reading from. | |
1684 | * | |
1685 | * Description: | |
1686 | * This routine reads data from the @phba pci bar memory mapped space | |
1687 | * according to the idiag command, and copies to user @buf. | |
1688 | * | |
1689 | * Returns: | |
1690 | * This function returns the amount of data that was read (this could be less | |
1691 | * than @nbytes if the end of the file was reached) or a negative error value. | |
1692 | **/ | |
1693 | static ssize_t | |
1694 | lpfc_idiag_baracc_read(struct file *file, char __user *buf, size_t nbytes, | |
1695 | loff_t *ppos) | |
1696 | { | |
1697 | struct lpfc_debug *debug = file->private_data; | |
1698 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
1699 | int offset_label, offset, offset_run, len = 0, index; | |
1700 | int bar_num, acc_range, bar_size; | |
1701 | char *pbuffer; | |
1702 | void __iomem *mem_mapped_bar; | |
1703 | uint32_t if_type; | |
1704 | struct pci_dev *pdev; | |
1705 | uint32_t u32val; | |
1706 | ||
1707 | pdev = phba->pcidev; | |
1708 | if (!pdev) | |
1709 | return 0; | |
1710 | ||
1711 | /* This is a user read operation */ | |
1712 | debug->op = LPFC_IDIAG_OP_RD; | |
1713 | ||
1714 | if (!debug->buffer) | |
1715 | debug->buffer = kmalloc(LPFC_PCI_BAR_RD_BUF_SIZE, GFP_KERNEL); | |
1716 | if (!debug->buffer) | |
1717 | return 0; | |
1718 | pbuffer = debug->buffer; | |
1719 | ||
1720 | if (*ppos) | |
1721 | return 0; | |
1722 | ||
1723 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) { | |
1724 | bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX]; | |
1725 | offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX]; | |
1726 | acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX]; | |
1727 | bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX]; | |
1728 | } else | |
1729 | return 0; | |
1730 | ||
1731 | if (acc_range == 0) | |
1732 | return 0; | |
1733 | ||
1734 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
1735 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) { | |
1736 | if (bar_num == IDIAG_BARACC_BAR_0) | |
1737 | mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p; | |
1738 | else if (bar_num == IDIAG_BARACC_BAR_1) | |
1739 | mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p; | |
1740 | else if (bar_num == IDIAG_BARACC_BAR_2) | |
1741 | mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p; | |
1742 | else | |
1743 | return 0; | |
1744 | } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
1745 | if (bar_num == IDIAG_BARACC_BAR_0) | |
1746 | mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p; | |
1747 | else | |
1748 | return 0; | |
1749 | } else | |
1750 | return 0; | |
1751 | ||
1752 | /* Read single PCI bar space register */ | |
1753 | if (acc_range == SINGLE_WORD) { | |
1754 | offset_run = offset; | |
1755 | u32val = readl(mem_mapped_bar + offset_run); | |
1756 | len += snprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len, | |
1757 | "%05x: %08x\n", offset_run, u32val); | |
1758 | } else | |
1759 | goto baracc_browse; | |
1760 | ||
1761 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
1762 | ||
1763 | baracc_browse: | |
1764 | ||
1765 | /* Browse all PCI bar space registers */ | |
1766 | offset_label = idiag.offset.last_rd; | |
1767 | offset_run = offset_label; | |
1768 | ||
1769 | /* Read PCI bar memory mapped space */ | |
1770 | len += snprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len, | |
1771 | "%05x: ", offset_label); | |
1772 | index = LPFC_PCI_BAR_RD_SIZE; | |
1773 | while (index > 0) { | |
1774 | u32val = readl(mem_mapped_bar + offset_run); | |
1775 | len += snprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len, | |
1776 | "%08x ", u32val); | |
1777 | offset_run += sizeof(uint32_t); | |
1778 | if (acc_range == LPFC_PCI_BAR_BROWSE) { | |
1779 | if (offset_run >= bar_size) { | |
1780 | len += snprintf(pbuffer+len, | |
1781 | LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n"); | |
1782 | break; | |
1783 | } | |
1784 | } else { | |
1785 | if (offset_run >= offset + | |
1786 | (acc_range * sizeof(uint32_t))) { | |
1787 | len += snprintf(pbuffer+len, | |
1788 | LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n"); | |
1789 | break; | |
1790 | } | |
1791 | } | |
1792 | index -= sizeof(uint32_t); | |
1793 | if (!index) | |
1794 | len += snprintf(pbuffer+len, | |
1795 | LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n"); | |
1796 | else if (!(index % (8 * sizeof(uint32_t)))) { | |
1797 | offset_label += (8 * sizeof(uint32_t)); | |
1798 | len += snprintf(pbuffer+len, | |
1799 | LPFC_PCI_BAR_RD_BUF_SIZE-len, | |
1800 | "\n%05x: ", offset_label); | |
1801 | } | |
1802 | } | |
1803 | ||
1804 | /* Set up the offset for next portion of pci bar read */ | |
1805 | if (index == 0) { | |
1806 | idiag.offset.last_rd += LPFC_PCI_BAR_RD_SIZE; | |
1807 | if (acc_range == LPFC_PCI_BAR_BROWSE) { | |
1808 | if (idiag.offset.last_rd >= bar_size) | |
1809 | idiag.offset.last_rd = 0; | |
1810 | } else { | |
1811 | if (offset_run >= offset + | |
1812 | (acc_range * sizeof(uint32_t))) | |
1813 | idiag.offset.last_rd = offset; | |
1814 | } | |
1815 | } else { | |
1816 | if (acc_range == LPFC_PCI_BAR_BROWSE) | |
1817 | idiag.offset.last_rd = 0; | |
1818 | else | |
1819 | idiag.offset.last_rd = offset; | |
1820 | } | |
1821 | ||
1822 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
1823 | } | |
1824 | ||
1825 | /** | |
1826 | * lpfc_idiag_baracc_write - Syntax check and set up idiag bar access commands | |
1827 | * @file: The file pointer to read from. | |
1828 | * @buf: The buffer to copy the user data from. | |
1829 | * @nbytes: The number of bytes to get. | |
1830 | * @ppos: The position in the file to start reading from. | |
1831 | * | |
1832 | * This routine get the debugfs idiag command struct from user space and | |
1833 | * then perform the syntax check for PCI bar memory mapped space read or | |
1834 | * write command accordingly. In the case of PCI bar memory mapped space | |
1835 | * read command, it sets up the command in the idiag command struct for | |
1836 | * the debugfs read operation. In the case of PCI bar memorpy mapped space | |
1837 | * write operation, it executes the write operation into the PCI bar memory | |
1838 | * mapped space accordingly. | |
1839 | * | |
1840 | * It returns the @nbytges passing in from debugfs user space when successful. | |
1841 | * In case of error conditions, it returns proper error code back to the user | |
1842 | * space. | |
1843 | */ | |
1844 | static ssize_t | |
1845 | lpfc_idiag_baracc_write(struct file *file, const char __user *buf, | |
1846 | size_t nbytes, loff_t *ppos) | |
1847 | { | |
1848 | struct lpfc_debug *debug = file->private_data; | |
1849 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
1850 | uint32_t bar_num, bar_size, offset, value, acc_range; | |
1851 | struct pci_dev *pdev; | |
1852 | void __iomem *mem_mapped_bar; | |
1853 | uint32_t if_type; | |
1854 | uint32_t u32val; | |
1855 | int rc; | |
1856 | ||
1857 | pdev = phba->pcidev; | |
1858 | if (!pdev) | |
1859 | return -EFAULT; | |
1860 | ||
1861 | /* This is a user write operation */ | |
1862 | debug->op = LPFC_IDIAG_OP_WR; | |
1863 | ||
1864 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
1865 | if (rc < 0) | |
1866 | return rc; | |
1867 | ||
1868 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
1869 | bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX]; | |
1870 | ||
1871 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) { | |
1872 | if ((bar_num != IDIAG_BARACC_BAR_0) && | |
1873 | (bar_num != IDIAG_BARACC_BAR_1) && | |
1874 | (bar_num != IDIAG_BARACC_BAR_2)) | |
1875 | goto error_out; | |
1876 | } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
1877 | if (bar_num != IDIAG_BARACC_BAR_0) | |
1878 | goto error_out; | |
1879 | } else | |
1880 | goto error_out; | |
1881 | ||
1882 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) { | |
1883 | if (bar_num == IDIAG_BARACC_BAR_0) { | |
1884 | idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] = | |
1885 | LPFC_PCI_IF0_BAR0_SIZE; | |
1886 | mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p; | |
1887 | } else if (bar_num == IDIAG_BARACC_BAR_1) { | |
1888 | idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] = | |
1889 | LPFC_PCI_IF0_BAR1_SIZE; | |
1890 | mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p; | |
1891 | } else if (bar_num == IDIAG_BARACC_BAR_2) { | |
1892 | idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] = | |
1893 | LPFC_PCI_IF0_BAR2_SIZE; | |
1894 | mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p; | |
1895 | } else | |
1896 | goto error_out; | |
1897 | } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
1898 | if (bar_num == IDIAG_BARACC_BAR_0) { | |
1899 | idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] = | |
1900 | LPFC_PCI_IF2_BAR0_SIZE; | |
1901 | mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p; | |
1902 | } else | |
1903 | goto error_out; | |
1904 | } else | |
1905 | goto error_out; | |
1906 | ||
1907 | offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX]; | |
1908 | if (offset % sizeof(uint32_t)) | |
1909 | goto error_out; | |
1910 | ||
1911 | bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX]; | |
1912 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) { | |
1913 | /* Sanity check on PCI config read command line arguments */ | |
1914 | if (rc != LPFC_PCI_BAR_RD_CMD_ARG) | |
1915 | goto error_out; | |
1916 | acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX]; | |
1917 | if (acc_range == LPFC_PCI_BAR_BROWSE) { | |
1918 | if (offset > bar_size - sizeof(uint32_t)) | |
1919 | goto error_out; | |
1920 | /* Starting offset to browse */ | |
1921 | idiag.offset.last_rd = offset; | |
1922 | } else if (acc_range > SINGLE_WORD) { | |
1923 | if (offset + acc_range * sizeof(uint32_t) > bar_size) | |
1924 | goto error_out; | |
1925 | /* Starting offset to browse */ | |
1926 | idiag.offset.last_rd = offset; | |
1927 | } else if (acc_range != SINGLE_WORD) | |
1928 | goto error_out; | |
1929 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR || | |
1930 | idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST || | |
1931 | idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) { | |
1932 | /* Sanity check on PCI bar write command line arguments */ | |
1933 | if (rc != LPFC_PCI_BAR_WR_CMD_ARG) | |
1934 | goto error_out; | |
1935 | /* Write command to PCI bar space, read-modify-write */ | |
1936 | acc_range = SINGLE_WORD; | |
1937 | value = idiag.cmd.data[IDIAG_BARACC_REG_VAL_INDX]; | |
1938 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR) { | |
1939 | writel(value, mem_mapped_bar + offset); | |
1940 | readl(mem_mapped_bar + offset); | |
1941 | } | |
1942 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST) { | |
1943 | u32val = readl(mem_mapped_bar + offset); | |
1944 | u32val |= value; | |
1945 | writel(u32val, mem_mapped_bar + offset); | |
1946 | readl(mem_mapped_bar + offset); | |
1947 | } | |
1948 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) { | |
1949 | u32val = readl(mem_mapped_bar + offset); | |
1950 | u32val &= ~value; | |
1951 | writel(u32val, mem_mapped_bar + offset); | |
1952 | readl(mem_mapped_bar + offset); | |
1953 | } | |
1954 | } else | |
1955 | /* All other opecodes are illegal for now */ | |
1956 | goto error_out; | |
1957 | ||
1958 | return nbytes; | |
1959 | error_out: | |
1960 | memset(&idiag, 0, sizeof(idiag)); | |
1961 | return -EINVAL; | |
1962 | } | |
1963 | ||
2a622bfb JS |
1964 | /** |
1965 | * lpfc_idiag_queinfo_read - idiag debugfs read queue information | |
1966 | * @file: The file pointer to read from. | |
1967 | * @buf: The buffer to copy the data to. | |
1968 | * @nbytes: The number of bytes to read. | |
1969 | * @ppos: The position in the file to start reading from. | |
1970 | * | |
1971 | * Description: | |
1972 | * This routine reads data from the @phba SLI4 PCI function queue information, | |
1973 | * and copies to user @buf. | |
1974 | * | |
1975 | * Returns: | |
1976 | * This function returns the amount of data that was read (this could be less | |
1977 | * than @nbytes if the end of the file was reached) or a negative error value. | |
1978 | **/ | |
1979 | static ssize_t | |
1980 | lpfc_idiag_queinfo_read(struct file *file, char __user *buf, size_t nbytes, | |
1981 | loff_t *ppos) | |
1982 | { | |
1983 | struct lpfc_debug *debug = file->private_data; | |
1984 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
1985 | int len = 0, fcp_qidx; | |
1986 | char *pbuffer; | |
1987 | ||
1988 | if (!debug->buffer) | |
1989 | debug->buffer = kmalloc(LPFC_QUE_INFO_GET_BUF_SIZE, GFP_KERNEL); | |
1990 | if (!debug->buffer) | |
1991 | return 0; | |
1992 | pbuffer = debug->buffer; | |
1993 | ||
1994 | if (*ppos) | |
1995 | return 0; | |
1996 | ||
1997 | /* Get slow-path event queue information */ | |
1998 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
1999 | "Slow-path EQ information:\n"); | |
2000 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 JS |
2001 | "\tEQID[%02d], " |
2002 | "QE-COUNT[%04d], QE-SIZE[%04d], " | |
2003 | "HOST-INDEX[%04d], PORT-INDEX[%04d]\n\n", | |
2a622bfb JS |
2004 | phba->sli4_hba.sp_eq->queue_id, |
2005 | phba->sli4_hba.sp_eq->entry_count, | |
86a80846 | 2006 | phba->sli4_hba.sp_eq->entry_size, |
2a622bfb JS |
2007 | phba->sli4_hba.sp_eq->host_index, |
2008 | phba->sli4_hba.sp_eq->hba_index); | |
2009 | ||
2010 | /* Get fast-path event queue information */ | |
2011 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2012 | "Fast-path EQ information:\n"); | |
2013 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++) { | |
2014 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 JS |
2015 | "\tEQID[%02d], " |
2016 | "QE-COUNT[%04d], QE-SIZE[%04d], " | |
2017 | "HOST-INDEX[%04d], PORT-INDEX[%04d]\n", | |
2a622bfb JS |
2018 | phba->sli4_hba.fp_eq[fcp_qidx]->queue_id, |
2019 | phba->sli4_hba.fp_eq[fcp_qidx]->entry_count, | |
86a80846 | 2020 | phba->sli4_hba.fp_eq[fcp_qidx]->entry_size, |
2a622bfb JS |
2021 | phba->sli4_hba.fp_eq[fcp_qidx]->host_index, |
2022 | phba->sli4_hba.fp_eq[fcp_qidx]->hba_index); | |
2023 | } | |
2024 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); | |
2025 | ||
2026 | /* Get mailbox complete queue information */ | |
2027 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 | 2028 | "Slow-path MBX CQ information:\n"); |
2a622bfb | 2029 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, |
86a80846 | 2030 | "Associated EQID[%02d]:\n", |
2a622bfb JS |
2031 | phba->sli4_hba.mbx_cq->assoc_qid); |
2032 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 JS |
2033 | "\tCQID[%02d], " |
2034 | "QE-COUNT[%04d], QE-SIZE[%04d], " | |
2035 | "HOST-INDEX[%04d], PORT-INDEX[%04d]\n\n", | |
2a622bfb JS |
2036 | phba->sli4_hba.mbx_cq->queue_id, |
2037 | phba->sli4_hba.mbx_cq->entry_count, | |
86a80846 | 2038 | phba->sli4_hba.mbx_cq->entry_size, |
2a622bfb JS |
2039 | phba->sli4_hba.mbx_cq->host_index, |
2040 | phba->sli4_hba.mbx_cq->hba_index); | |
2041 | ||
2042 | /* Get slow-path complete queue information */ | |
2043 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 | 2044 | "Slow-path ELS CQ information:\n"); |
2a622bfb | 2045 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, |
86a80846 | 2046 | "Associated EQID[%02d]:\n", |
2a622bfb JS |
2047 | phba->sli4_hba.els_cq->assoc_qid); |
2048 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 JS |
2049 | "\tCQID [%02d], " |
2050 | "QE-COUNT[%04d], QE-SIZE[%04d], " | |
2051 | "HOST-INDEX[%04d], PORT-INDEX[%04d]\n\n", | |
2a622bfb JS |
2052 | phba->sli4_hba.els_cq->queue_id, |
2053 | phba->sli4_hba.els_cq->entry_count, | |
86a80846 | 2054 | phba->sli4_hba.els_cq->entry_size, |
2a622bfb JS |
2055 | phba->sli4_hba.els_cq->host_index, |
2056 | phba->sli4_hba.els_cq->hba_index); | |
2057 | ||
2058 | /* Get fast-path complete queue information */ | |
2059 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 | 2060 | "Fast-path FCP CQ information:\n"); |
0558056c JS |
2061 | fcp_qidx = 0; |
2062 | do { | |
2a622bfb | 2063 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, |
86a80846 | 2064 | "Associated EQID[%02d]:\n", |
2a622bfb JS |
2065 | phba->sli4_hba.fcp_cq[fcp_qidx]->assoc_qid); |
2066 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 JS |
2067 | "\tCQID[%02d], " |
2068 | "QE-COUNT[%04d], QE-SIZE[%04d], " | |
2069 | "HOST-INDEX[%04d], PORT-INDEX[%04d]\n", | |
2070 | phba->sli4_hba.fcp_cq[fcp_qidx]->queue_id, | |
2071 | phba->sli4_hba.fcp_cq[fcp_qidx]->entry_count, | |
2072 | phba->sli4_hba.fcp_cq[fcp_qidx]->entry_size, | |
2073 | phba->sli4_hba.fcp_cq[fcp_qidx]->host_index, | |
2074 | phba->sli4_hba.fcp_cq[fcp_qidx]->hba_index); | |
0558056c | 2075 | } while (++fcp_qidx < phba->cfg_fcp_eq_count); |
2a622bfb JS |
2076 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); |
2077 | ||
2078 | /* Get mailbox queue information */ | |
2079 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 | 2080 | "Slow-path MBX MQ information:\n"); |
2a622bfb | 2081 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, |
86a80846 | 2082 | "Associated CQID[%02d]:\n", |
2a622bfb JS |
2083 | phba->sli4_hba.mbx_wq->assoc_qid); |
2084 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 JS |
2085 | "\tWQID[%02d], " |
2086 | "QE-COUNT[%04d], QE-SIZE[%04d], " | |
2087 | "HOST-INDEX[%04d], PORT-INDEX[%04d]\n\n", | |
2a622bfb JS |
2088 | phba->sli4_hba.mbx_wq->queue_id, |
2089 | phba->sli4_hba.mbx_wq->entry_count, | |
86a80846 | 2090 | phba->sli4_hba.mbx_wq->entry_size, |
2a622bfb JS |
2091 | phba->sli4_hba.mbx_wq->host_index, |
2092 | phba->sli4_hba.mbx_wq->hba_index); | |
2093 | ||
2094 | /* Get slow-path work queue information */ | |
2095 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 | 2096 | "Slow-path ELS WQ information:\n"); |
2a622bfb | 2097 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, |
86a80846 | 2098 | "Associated CQID[%02d]:\n", |
2a622bfb JS |
2099 | phba->sli4_hba.els_wq->assoc_qid); |
2100 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 JS |
2101 | "\tWQID[%02d], " |
2102 | "QE-COUNT[%04d], QE-SIZE[%04d], " | |
2103 | "HOST-INDEX[%04d], PORT-INDEX[%04d]\n\n", | |
2a622bfb JS |
2104 | phba->sli4_hba.els_wq->queue_id, |
2105 | phba->sli4_hba.els_wq->entry_count, | |
86a80846 | 2106 | phba->sli4_hba.els_wq->entry_size, |
2a622bfb JS |
2107 | phba->sli4_hba.els_wq->host_index, |
2108 | phba->sli4_hba.els_wq->hba_index); | |
2109 | ||
2110 | /* Get fast-path work queue information */ | |
2111 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 | 2112 | "Fast-path FCP WQ information:\n"); |
2a622bfb JS |
2113 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count; fcp_qidx++) { |
2114 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 | 2115 | "Associated CQID[%02d]:\n", |
2a622bfb JS |
2116 | phba->sli4_hba.fcp_wq[fcp_qidx]->assoc_qid); |
2117 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 JS |
2118 | "\tWQID[%02d], " |
2119 | "QE-COUNT[%04d], WQE-SIZE[%04d], " | |
2120 | "HOST-INDEX[%04d], PORT-INDEX[%04d]\n", | |
2a622bfb JS |
2121 | phba->sli4_hba.fcp_wq[fcp_qidx]->queue_id, |
2122 | phba->sli4_hba.fcp_wq[fcp_qidx]->entry_count, | |
86a80846 | 2123 | phba->sli4_hba.fcp_wq[fcp_qidx]->entry_size, |
2a622bfb JS |
2124 | phba->sli4_hba.fcp_wq[fcp_qidx]->host_index, |
2125 | phba->sli4_hba.fcp_wq[fcp_qidx]->hba_index); | |
2126 | } | |
2127 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n"); | |
2128 | ||
2129 | /* Get receive queue information */ | |
2130 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
2131 | "Slow-path RQ information:\n"); | |
2132 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 | 2133 | "Associated CQID[%02d]:\n", |
2a622bfb JS |
2134 | phba->sli4_hba.hdr_rq->assoc_qid); |
2135 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 JS |
2136 | "\tHQID[%02d], " |
2137 | "QE-COUNT[%04d], QE-SIZE[%04d], " | |
2138 | "HOST-INDEX[%04d], PORT-INDEX[%04d]\n", | |
2a622bfb JS |
2139 | phba->sli4_hba.hdr_rq->queue_id, |
2140 | phba->sli4_hba.hdr_rq->entry_count, | |
86a80846 | 2141 | phba->sli4_hba.hdr_rq->entry_size, |
2a622bfb JS |
2142 | phba->sli4_hba.hdr_rq->host_index, |
2143 | phba->sli4_hba.hdr_rq->hba_index); | |
2144 | len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, | |
86a80846 JS |
2145 | "\tDQID[%02d], " |
2146 | "QE-COUNT[%04d], QE-SIZE[%04d], " | |
2147 | "HOST-INDEX[%04d], PORT-INDEX[%04d]\n", | |
2a622bfb JS |
2148 | phba->sli4_hba.dat_rq->queue_id, |
2149 | phba->sli4_hba.dat_rq->entry_count, | |
86a80846 | 2150 | phba->sli4_hba.dat_rq->entry_size, |
2a622bfb JS |
2151 | phba->sli4_hba.dat_rq->host_index, |
2152 | phba->sli4_hba.dat_rq->hba_index); | |
2153 | ||
2154 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
2155 | } | |
2156 | ||
86a80846 JS |
2157 | /** |
2158 | * lpfc_idiag_que_param_check - queue access command parameter sanity check | |
2159 | * @q: The pointer to queue structure. | |
2160 | * @index: The index into a queue entry. | |
2161 | * @count: The number of queue entries to access. | |
2162 | * | |
2163 | * Description: | |
2164 | * The routine performs sanity check on device queue access method commands. | |
2165 | * | |
2166 | * Returns: | |
2167 | * This function returns -EINVAL when fails the sanity check, otherwise, it | |
2168 | * returns 0. | |
2169 | **/ | |
2170 | static int | |
2171 | lpfc_idiag_que_param_check(struct lpfc_queue *q, int index, int count) | |
2172 | { | |
2173 | /* Only support single entry read or browsing */ | |
2174 | if ((count != 1) && (count != LPFC_QUE_ACC_BROWSE)) | |
2175 | return -EINVAL; | |
2176 | if (index > q->entry_count - 1) | |
2177 | return -EINVAL; | |
2178 | return 0; | |
2179 | } | |
2180 | ||
2181 | /** | |
2182 | * lpfc_idiag_queacc_read_qe - read a single entry from the given queue index | |
2183 | * @pbuffer: The pointer to buffer to copy the read data into. | |
2184 | * @pque: The pointer to the queue to be read. | |
2185 | * @index: The index into the queue entry. | |
2186 | * | |
2187 | * Description: | |
2188 | * This routine reads out a single entry from the given queue's index location | |
2189 | * and copies it into the buffer provided. | |
2190 | * | |
2191 | * Returns: | |
2192 | * This function returns 0 when it fails, otherwise, it returns the length of | |
2193 | * the data read into the buffer provided. | |
2194 | **/ | |
2195 | static int | |
2196 | lpfc_idiag_queacc_read_qe(char *pbuffer, int len, struct lpfc_queue *pque, | |
2197 | uint32_t index) | |
2198 | { | |
2199 | int offset, esize; | |
2200 | uint32_t *pentry; | |
2201 | ||
2202 | if (!pbuffer || !pque) | |
2203 | return 0; | |
2204 | ||
2205 | esize = pque->entry_size; | |
2206 | len += snprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, | |
2207 | "QE-INDEX[%04d]:\n", index); | |
2208 | ||
2209 | offset = 0; | |
2210 | pentry = pque->qe[index].address; | |
2211 | while (esize > 0) { | |
2212 | len += snprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, | |
2213 | "%08x ", *pentry); | |
2214 | pentry++; | |
2215 | offset += sizeof(uint32_t); | |
2216 | esize -= sizeof(uint32_t); | |
2217 | if (esize > 0 && !(offset % (4 * sizeof(uint32_t)))) | |
2218 | len += snprintf(pbuffer+len, | |
2219 | LPFC_QUE_ACC_BUF_SIZE-len, "\n"); | |
2220 | } | |
2221 | len += snprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, "\n"); | |
2222 | ||
2223 | return len; | |
2224 | } | |
2225 | ||
2226 | /** | |
2227 | * lpfc_idiag_queacc_read - idiag debugfs read port queue | |
2228 | * @file: The file pointer to read from. | |
2229 | * @buf: The buffer to copy the data to. | |
2230 | * @nbytes: The number of bytes to read. | |
2231 | * @ppos: The position in the file to start reading from. | |
2232 | * | |
2233 | * Description: | |
2234 | * This routine reads data from the @phba device queue memory according to the | |
2235 | * idiag command, and copies to user @buf. Depending on the queue dump read | |
2236 | * command setup, it does either a single queue entry read or browing through | |
2237 | * all entries of the queue. | |
2238 | * | |
2239 | * Returns: | |
2240 | * This function returns the amount of data that was read (this could be less | |
2241 | * than @nbytes if the end of the file was reached) or a negative error value. | |
2242 | **/ | |
2243 | static ssize_t | |
2244 | lpfc_idiag_queacc_read(struct file *file, char __user *buf, size_t nbytes, | |
2245 | loff_t *ppos) | |
2246 | { | |
2247 | struct lpfc_debug *debug = file->private_data; | |
2248 | uint32_t last_index, index, count; | |
2249 | struct lpfc_queue *pque = NULL; | |
2250 | char *pbuffer; | |
2251 | int len = 0; | |
2252 | ||
2253 | /* This is a user read operation */ | |
2254 | debug->op = LPFC_IDIAG_OP_RD; | |
2255 | ||
2256 | if (!debug->buffer) | |
2257 | debug->buffer = kmalloc(LPFC_QUE_ACC_BUF_SIZE, GFP_KERNEL); | |
2258 | if (!debug->buffer) | |
2259 | return 0; | |
2260 | pbuffer = debug->buffer; | |
2261 | ||
2262 | if (*ppos) | |
2263 | return 0; | |
2264 | ||
2265 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) { | |
b76f2dc9 JS |
2266 | index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX]; |
2267 | count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX]; | |
86a80846 JS |
2268 | pque = (struct lpfc_queue *)idiag.ptr_private; |
2269 | } else | |
2270 | return 0; | |
2271 | ||
2272 | /* Browse the queue starting from index */ | |
2273 | if (count == LPFC_QUE_ACC_BROWSE) | |
2274 | goto que_browse; | |
2275 | ||
2276 | /* Read a single entry from the queue */ | |
2277 | len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index); | |
2278 | ||
2279 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
2280 | ||
2281 | que_browse: | |
2282 | ||
2283 | /* Browse all entries from the queue */ | |
2284 | last_index = idiag.offset.last_rd; | |
2285 | index = last_index; | |
2286 | ||
2287 | while (len < LPFC_QUE_ACC_SIZE - pque->entry_size) { | |
2288 | len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index); | |
2289 | index++; | |
2290 | if (index > pque->entry_count - 1) | |
2291 | break; | |
2292 | } | |
2293 | ||
2294 | /* Set up the offset for next portion of pci cfg read */ | |
2295 | if (index > pque->entry_count - 1) | |
2296 | index = 0; | |
2297 | idiag.offset.last_rd = index; | |
2298 | ||
2299 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
2300 | } | |
2301 | ||
2302 | /** | |
2303 | * lpfc_idiag_queacc_write - Syntax check and set up idiag queacc commands | |
2304 | * @file: The file pointer to read from. | |
2305 | * @buf: The buffer to copy the user data from. | |
2306 | * @nbytes: The number of bytes to get. | |
2307 | * @ppos: The position in the file to start reading from. | |
2308 | * | |
2309 | * This routine get the debugfs idiag command struct from user space and then | |
2310 | * perform the syntax check for port queue read (dump) or write (set) command | |
2311 | * accordingly. In the case of port queue read command, it sets up the command | |
2312 | * in the idiag command struct for the following debugfs read operation. In | |
2313 | * the case of port queue write operation, it executes the write operation | |
2314 | * into the port queue entry accordingly. | |
2315 | * | |
2316 | * It returns the @nbytges passing in from debugfs user space when successful. | |
2317 | * In case of error conditions, it returns proper error code back to the user | |
2318 | * space. | |
2319 | **/ | |
2320 | static ssize_t | |
2321 | lpfc_idiag_queacc_write(struct file *file, const char __user *buf, | |
2322 | size_t nbytes, loff_t *ppos) | |
2323 | { | |
2324 | struct lpfc_debug *debug = file->private_data; | |
2325 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
2326 | uint32_t qidx, quetp, queid, index, count, offset, value; | |
2327 | uint32_t *pentry; | |
2328 | struct lpfc_queue *pque; | |
2329 | int rc; | |
2330 | ||
2331 | /* This is a user write operation */ | |
2332 | debug->op = LPFC_IDIAG_OP_WR; | |
2333 | ||
2334 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
2335 | if (rc < 0) | |
2336 | return rc; | |
2337 | ||
2338 | /* Get and sanity check on command feilds */ | |
b76f2dc9 JS |
2339 | quetp = idiag.cmd.data[IDIAG_QUEACC_QUETP_INDX]; |
2340 | queid = idiag.cmd.data[IDIAG_QUEACC_QUEID_INDX]; | |
2341 | index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX]; | |
2342 | count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX]; | |
2343 | offset = idiag.cmd.data[IDIAG_QUEACC_OFFST_INDX]; | |
2344 | value = idiag.cmd.data[IDIAG_QUEACC_VALUE_INDX]; | |
86a80846 JS |
2345 | |
2346 | /* Sanity check on command line arguments */ | |
2347 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR || | |
2348 | idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST || | |
2349 | idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) { | |
2350 | if (rc != LPFC_QUE_ACC_WR_CMD_ARG) | |
2351 | goto error_out; | |
2352 | if (count != 1) | |
2353 | goto error_out; | |
2354 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) { | |
2355 | if (rc != LPFC_QUE_ACC_RD_CMD_ARG) | |
2356 | goto error_out; | |
2357 | } else | |
2358 | goto error_out; | |
2359 | ||
2360 | switch (quetp) { | |
2361 | case LPFC_IDIAG_EQ: | |
2362 | /* Slow-path event queue */ | |
2363 | if (phba->sli4_hba.sp_eq->queue_id == queid) { | |
2364 | /* Sanity check */ | |
2365 | rc = lpfc_idiag_que_param_check( | |
2366 | phba->sli4_hba.sp_eq, index, count); | |
2367 | if (rc) | |
2368 | goto error_out; | |
2369 | idiag.ptr_private = phba->sli4_hba.sp_eq; | |
2370 | goto pass_check; | |
2371 | } | |
2372 | /* Fast-path event queue */ | |
2373 | for (qidx = 0; qidx < phba->cfg_fcp_eq_count; qidx++) { | |
2374 | if (phba->sli4_hba.fp_eq[qidx]->queue_id == queid) { | |
2375 | /* Sanity check */ | |
2376 | rc = lpfc_idiag_que_param_check( | |
2377 | phba->sli4_hba.fp_eq[qidx], | |
2378 | index, count); | |
2379 | if (rc) | |
2380 | goto error_out; | |
2381 | idiag.ptr_private = phba->sli4_hba.fp_eq[qidx]; | |
2382 | goto pass_check; | |
2383 | } | |
2384 | } | |
2385 | goto error_out; | |
2386 | break; | |
2387 | case LPFC_IDIAG_CQ: | |
2388 | /* MBX complete queue */ | |
2389 | if (phba->sli4_hba.mbx_cq->queue_id == queid) { | |
2390 | /* Sanity check */ | |
2391 | rc = lpfc_idiag_que_param_check( | |
2392 | phba->sli4_hba.mbx_cq, index, count); | |
2393 | if (rc) | |
2394 | goto error_out; | |
2395 | idiag.ptr_private = phba->sli4_hba.mbx_cq; | |
2396 | goto pass_check; | |
2397 | } | |
2398 | /* ELS complete queue */ | |
2399 | if (phba->sli4_hba.els_cq->queue_id == queid) { | |
2400 | /* Sanity check */ | |
2401 | rc = lpfc_idiag_que_param_check( | |
2402 | phba->sli4_hba.els_cq, index, count); | |
2403 | if (rc) | |
2404 | goto error_out; | |
2405 | idiag.ptr_private = phba->sli4_hba.els_cq; | |
2406 | goto pass_check; | |
2407 | } | |
2408 | /* FCP complete queue */ | |
0558056c JS |
2409 | qidx = 0; |
2410 | do { | |
86a80846 JS |
2411 | if (phba->sli4_hba.fcp_cq[qidx]->queue_id == queid) { |
2412 | /* Sanity check */ | |
2413 | rc = lpfc_idiag_que_param_check( | |
2414 | phba->sli4_hba.fcp_cq[qidx], | |
2415 | index, count); | |
2416 | if (rc) | |
2417 | goto error_out; | |
2418 | idiag.ptr_private = | |
2419 | phba->sli4_hba.fcp_cq[qidx]; | |
2420 | goto pass_check; | |
2421 | } | |
0558056c | 2422 | } while (++qidx < phba->cfg_fcp_eq_count); |
86a80846 JS |
2423 | goto error_out; |
2424 | break; | |
2425 | case LPFC_IDIAG_MQ: | |
2426 | /* MBX work queue */ | |
2427 | if (phba->sli4_hba.mbx_wq->queue_id == queid) { | |
2428 | /* Sanity check */ | |
2429 | rc = lpfc_idiag_que_param_check( | |
2430 | phba->sli4_hba.mbx_wq, index, count); | |
2431 | if (rc) | |
2432 | goto error_out; | |
2433 | idiag.ptr_private = phba->sli4_hba.mbx_wq; | |
2434 | goto pass_check; | |
2435 | } | |
2436 | break; | |
2437 | case LPFC_IDIAG_WQ: | |
2438 | /* ELS work queue */ | |
2439 | if (phba->sli4_hba.els_wq->queue_id == queid) { | |
2440 | /* Sanity check */ | |
2441 | rc = lpfc_idiag_que_param_check( | |
2442 | phba->sli4_hba.els_wq, index, count); | |
2443 | if (rc) | |
2444 | goto error_out; | |
2445 | idiag.ptr_private = phba->sli4_hba.els_wq; | |
2446 | goto pass_check; | |
2447 | } | |
2448 | /* FCP work queue */ | |
2449 | for (qidx = 0; qidx < phba->cfg_fcp_wq_count; qidx++) { | |
2450 | if (phba->sli4_hba.fcp_wq[qidx]->queue_id == queid) { | |
2451 | /* Sanity check */ | |
2452 | rc = lpfc_idiag_que_param_check( | |
2453 | phba->sli4_hba.fcp_wq[qidx], | |
2454 | index, count); | |
2455 | if (rc) | |
2456 | goto error_out; | |
2457 | idiag.ptr_private = | |
2458 | phba->sli4_hba.fcp_wq[qidx]; | |
2459 | goto pass_check; | |
2460 | } | |
2461 | } | |
2462 | goto error_out; | |
2463 | break; | |
2464 | case LPFC_IDIAG_RQ: | |
2465 | /* HDR queue */ | |
2466 | if (phba->sli4_hba.hdr_rq->queue_id == queid) { | |
2467 | /* Sanity check */ | |
2468 | rc = lpfc_idiag_que_param_check( | |
2469 | phba->sli4_hba.hdr_rq, index, count); | |
2470 | if (rc) | |
2471 | goto error_out; | |
2472 | idiag.ptr_private = phba->sli4_hba.hdr_rq; | |
2473 | goto pass_check; | |
2474 | } | |
2475 | /* DAT queue */ | |
2476 | if (phba->sli4_hba.dat_rq->queue_id == queid) { | |
2477 | /* Sanity check */ | |
2478 | rc = lpfc_idiag_que_param_check( | |
2479 | phba->sli4_hba.dat_rq, index, count); | |
2480 | if (rc) | |
2481 | goto error_out; | |
2482 | idiag.ptr_private = phba->sli4_hba.dat_rq; | |
2483 | goto pass_check; | |
2484 | } | |
2485 | goto error_out; | |
2486 | break; | |
2487 | default: | |
2488 | goto error_out; | |
2489 | break; | |
2490 | } | |
2491 | ||
2492 | pass_check: | |
2493 | ||
2494 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) { | |
2495 | if (count == LPFC_QUE_ACC_BROWSE) | |
2496 | idiag.offset.last_rd = index; | |
2497 | } | |
2498 | ||
2499 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR || | |
2500 | idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST || | |
2501 | idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) { | |
2502 | /* Additional sanity checks on write operation */ | |
2503 | pque = (struct lpfc_queue *)idiag.ptr_private; | |
2504 | if (offset > pque->entry_size/sizeof(uint32_t) - 1) | |
2505 | goto error_out; | |
2506 | pentry = pque->qe[index].address; | |
2507 | pentry += offset; | |
2508 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR) | |
2509 | *pentry = value; | |
2510 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST) | |
2511 | *pentry |= value; | |
2512 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) | |
2513 | *pentry &= ~value; | |
2514 | } | |
2515 | return nbytes; | |
2516 | ||
2517 | error_out: | |
2518 | /* Clean out command structure on command error out */ | |
2519 | memset(&idiag, 0, sizeof(idiag)); | |
2520 | return -EINVAL; | |
2521 | } | |
2522 | ||
2523 | /** | |
2524 | * lpfc_idiag_drbacc_read_reg - idiag debugfs read a doorbell register | |
2525 | * @phba: The pointer to hba structure. | |
2526 | * @pbuffer: The pointer to the buffer to copy the data to. | |
2527 | * @len: The lenght of bytes to copied. | |
2528 | * @drbregid: The id to doorbell registers. | |
2529 | * | |
2530 | * Description: | |
2531 | * This routine reads a doorbell register and copies its content to the | |
2532 | * user buffer pointed to by @pbuffer. | |
2533 | * | |
2534 | * Returns: | |
2535 | * This function returns the amount of data that was copied into @pbuffer. | |
2536 | **/ | |
2537 | static int | |
2538 | lpfc_idiag_drbacc_read_reg(struct lpfc_hba *phba, char *pbuffer, | |
2539 | int len, uint32_t drbregid) | |
2540 | { | |
2541 | ||
2542 | if (!pbuffer) | |
2543 | return 0; | |
2544 | ||
2545 | switch (drbregid) { | |
2546 | case LPFC_DRB_EQCQ: | |
2547 | len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len, | |
2548 | "EQCQ-DRB-REG: 0x%08x\n", | |
2549 | readl(phba->sli4_hba.EQCQDBregaddr)); | |
2550 | break; | |
2551 | case LPFC_DRB_MQ: | |
2552 | len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len, | |
2553 | "MQ-DRB-REG: 0x%08x\n", | |
2554 | readl(phba->sli4_hba.MQDBregaddr)); | |
2555 | break; | |
2556 | case LPFC_DRB_WQ: | |
2557 | len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len, | |
2558 | "WQ-DRB-REG: 0x%08x\n", | |
2559 | readl(phba->sli4_hba.WQDBregaddr)); | |
2560 | break; | |
2561 | case LPFC_DRB_RQ: | |
2562 | len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len, | |
2563 | "RQ-DRB-REG: 0x%08x\n", | |
2564 | readl(phba->sli4_hba.RQDBregaddr)); | |
2565 | break; | |
2566 | default: | |
2567 | break; | |
2568 | } | |
2569 | ||
2570 | return len; | |
2571 | } | |
2572 | ||
2573 | /** | |
2574 | * lpfc_idiag_drbacc_read - idiag debugfs read port doorbell | |
2575 | * @file: The file pointer to read from. | |
2576 | * @buf: The buffer to copy the data to. | |
2577 | * @nbytes: The number of bytes to read. | |
2578 | * @ppos: The position in the file to start reading from. | |
2579 | * | |
2580 | * Description: | |
2581 | * This routine reads data from the @phba device doorbell register according | |
2582 | * to the idiag command, and copies to user @buf. Depending on the doorbell | |
2583 | * register read command setup, it does either a single doorbell register | |
2584 | * read or dump all doorbell registers. | |
2585 | * | |
2586 | * Returns: | |
2587 | * This function returns the amount of data that was read (this could be less | |
2588 | * than @nbytes if the end of the file was reached) or a negative error value. | |
2589 | **/ | |
2590 | static ssize_t | |
2591 | lpfc_idiag_drbacc_read(struct file *file, char __user *buf, size_t nbytes, | |
2592 | loff_t *ppos) | |
2593 | { | |
2594 | struct lpfc_debug *debug = file->private_data; | |
2595 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
2596 | uint32_t drb_reg_id, i; | |
2597 | char *pbuffer; | |
2598 | int len = 0; | |
2599 | ||
2600 | /* This is a user read operation */ | |
2601 | debug->op = LPFC_IDIAG_OP_RD; | |
2602 | ||
2603 | if (!debug->buffer) | |
2604 | debug->buffer = kmalloc(LPFC_DRB_ACC_BUF_SIZE, GFP_KERNEL); | |
2605 | if (!debug->buffer) | |
2606 | return 0; | |
2607 | pbuffer = debug->buffer; | |
2608 | ||
2609 | if (*ppos) | |
2610 | return 0; | |
2611 | ||
2612 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD) | |
b76f2dc9 | 2613 | drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX]; |
86a80846 JS |
2614 | else |
2615 | return 0; | |
2616 | ||
2617 | if (drb_reg_id == LPFC_DRB_ACC_ALL) | |
2618 | for (i = 1; i <= LPFC_DRB_MAX; i++) | |
2619 | len = lpfc_idiag_drbacc_read_reg(phba, | |
2620 | pbuffer, len, i); | |
2621 | else | |
2622 | len = lpfc_idiag_drbacc_read_reg(phba, | |
2623 | pbuffer, len, drb_reg_id); | |
2624 | ||
2625 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
2626 | } | |
2627 | ||
2628 | /** | |
2629 | * lpfc_idiag_drbacc_write - Syntax check and set up idiag drbacc commands | |
2630 | * @file: The file pointer to read from. | |
2631 | * @buf: The buffer to copy the user data from. | |
2632 | * @nbytes: The number of bytes to get. | |
2633 | * @ppos: The position in the file to start reading from. | |
2634 | * | |
2635 | * This routine get the debugfs idiag command struct from user space and then | |
2636 | * perform the syntax check for port doorbell register read (dump) or write | |
2637 | * (set) command accordingly. In the case of port queue read command, it sets | |
2638 | * up the command in the idiag command struct for the following debugfs read | |
2639 | * operation. In the case of port doorbell register write operation, it | |
2640 | * executes the write operation into the port doorbell register accordingly. | |
2641 | * | |
2642 | * It returns the @nbytges passing in from debugfs user space when successful. | |
2643 | * In case of error conditions, it returns proper error code back to the user | |
2644 | * space. | |
2645 | **/ | |
2646 | static ssize_t | |
2647 | lpfc_idiag_drbacc_write(struct file *file, const char __user *buf, | |
2648 | size_t nbytes, loff_t *ppos) | |
2649 | { | |
2650 | struct lpfc_debug *debug = file->private_data; | |
2651 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
b76f2dc9 | 2652 | uint32_t drb_reg_id, value, reg_val = 0; |
86a80846 JS |
2653 | void __iomem *drb_reg; |
2654 | int rc; | |
2655 | ||
2656 | /* This is a user write operation */ | |
2657 | debug->op = LPFC_IDIAG_OP_WR; | |
2658 | ||
2659 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
2660 | if (rc < 0) | |
2661 | return rc; | |
2662 | ||
2663 | /* Sanity check on command line arguments */ | |
b76f2dc9 JS |
2664 | drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX]; |
2665 | value = idiag.cmd.data[IDIAG_DRBACC_VALUE_INDX]; | |
86a80846 JS |
2666 | |
2667 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR || | |
2668 | idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST || | |
2669 | idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) { | |
2670 | if (rc != LPFC_DRB_ACC_WR_CMD_ARG) | |
2671 | goto error_out; | |
2672 | if (drb_reg_id > LPFC_DRB_MAX) | |
2673 | goto error_out; | |
2674 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD) { | |
2675 | if (rc != LPFC_DRB_ACC_RD_CMD_ARG) | |
2676 | goto error_out; | |
2677 | if ((drb_reg_id > LPFC_DRB_MAX) && | |
2678 | (drb_reg_id != LPFC_DRB_ACC_ALL)) | |
2679 | goto error_out; | |
2680 | } else | |
2681 | goto error_out; | |
2682 | ||
2683 | /* Perform the write access operation */ | |
2684 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR || | |
2685 | idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST || | |
2686 | idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) { | |
2687 | switch (drb_reg_id) { | |
2688 | case LPFC_DRB_EQCQ: | |
2689 | drb_reg = phba->sli4_hba.EQCQDBregaddr; | |
2690 | break; | |
2691 | case LPFC_DRB_MQ: | |
2692 | drb_reg = phba->sli4_hba.MQDBregaddr; | |
2693 | break; | |
2694 | case LPFC_DRB_WQ: | |
2695 | drb_reg = phba->sli4_hba.WQDBregaddr; | |
2696 | break; | |
2697 | case LPFC_DRB_RQ: | |
2698 | drb_reg = phba->sli4_hba.RQDBregaddr; | |
2699 | break; | |
2700 | default: | |
2701 | goto error_out; | |
2702 | } | |
2703 | ||
2704 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR) | |
2705 | reg_val = value; | |
2706 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST) { | |
2707 | reg_val = readl(drb_reg); | |
2708 | reg_val |= value; | |
2709 | } | |
2710 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) { | |
2711 | reg_val = readl(drb_reg); | |
2712 | reg_val &= ~value; | |
2713 | } | |
2714 | writel(reg_val, drb_reg); | |
2715 | readl(drb_reg); /* flush */ | |
2716 | } | |
2717 | return nbytes; | |
2718 | ||
2719 | error_out: | |
2720 | /* Clean out command structure on command error out */ | |
2721 | memset(&idiag, 0, sizeof(idiag)); | |
2722 | return -EINVAL; | |
2723 | } | |
2724 | ||
b76f2dc9 JS |
2725 | /** |
2726 | * lpfc_idiag_ctlacc_read_reg - idiag debugfs read a control registers | |
2727 | * @phba: The pointer to hba structure. | |
2728 | * @pbuffer: The pointer to the buffer to copy the data to. | |
2729 | * @len: The lenght of bytes to copied. | |
2730 | * @drbregid: The id to doorbell registers. | |
2731 | * | |
2732 | * Description: | |
2733 | * This routine reads a control register and copies its content to the | |
2734 | * user buffer pointed to by @pbuffer. | |
2735 | * | |
2736 | * Returns: | |
2737 | * This function returns the amount of data that was copied into @pbuffer. | |
2738 | **/ | |
2739 | static int | |
2740 | lpfc_idiag_ctlacc_read_reg(struct lpfc_hba *phba, char *pbuffer, | |
2741 | int len, uint32_t ctlregid) | |
2742 | { | |
858c9f6c | 2743 | |
b76f2dc9 JS |
2744 | if (!pbuffer) |
2745 | return 0; | |
858c9f6c | 2746 | |
b76f2dc9 JS |
2747 | switch (ctlregid) { |
2748 | case LPFC_CTL_PORT_SEM: | |
2749 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
2750 | "Port SemReg: 0x%08x\n", | |
2751 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
2752 | LPFC_CTL_PORT_SEM_OFFSET)); | |
2753 | break; | |
2754 | case LPFC_CTL_PORT_STA: | |
2755 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
2756 | "Port StaReg: 0x%08x\n", | |
2757 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
2758 | LPFC_CTL_PORT_STA_OFFSET)); | |
2759 | break; | |
2760 | case LPFC_CTL_PORT_CTL: | |
2761 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
2762 | "Port CtlReg: 0x%08x\n", | |
2763 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
2764 | LPFC_CTL_PORT_CTL_OFFSET)); | |
2765 | break; | |
2766 | case LPFC_CTL_PORT_ER1: | |
2767 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
2768 | "Port Er1Reg: 0x%08x\n", | |
2769 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
2770 | LPFC_CTL_PORT_ER1_OFFSET)); | |
2771 | break; | |
2772 | case LPFC_CTL_PORT_ER2: | |
2773 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
2774 | "Port Er2Reg: 0x%08x\n", | |
2775 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
2776 | LPFC_CTL_PORT_ER2_OFFSET)); | |
2777 | break; | |
2778 | case LPFC_CTL_PDEV_CTL: | |
2779 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
2780 | "PDev CtlReg: 0x%08x\n", | |
2781 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
2782 | LPFC_CTL_PDEV_CTL_OFFSET)); | |
2783 | break; | |
2784 | default: | |
2785 | break; | |
2786 | } | |
2787 | return len; | |
2788 | } | |
78b2d852 | 2789 | |
b76f2dc9 JS |
2790 | /** |
2791 | * lpfc_idiag_ctlacc_read - idiag debugfs read port and device control register | |
2792 | * @file: The file pointer to read from. | |
2793 | * @buf: The buffer to copy the data to. | |
2794 | * @nbytes: The number of bytes to read. | |
2795 | * @ppos: The position in the file to start reading from. | |
2796 | * | |
2797 | * Description: | |
2798 | * This routine reads data from the @phba port and device registers according | |
2799 | * to the idiag command, and copies to user @buf. | |
2800 | * | |
2801 | * Returns: | |
2802 | * This function returns the amount of data that was read (this could be less | |
2803 | * than @nbytes if the end of the file was reached) or a negative error value. | |
2804 | **/ | |
2805 | static ssize_t | |
2806 | lpfc_idiag_ctlacc_read(struct file *file, char __user *buf, size_t nbytes, | |
2807 | loff_t *ppos) | |
2808 | { | |
2809 | struct lpfc_debug *debug = file->private_data; | |
2810 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
2811 | uint32_t ctl_reg_id, i; | |
2812 | char *pbuffer; | |
2813 | int len = 0; | |
c95d6c6c | 2814 | |
b76f2dc9 JS |
2815 | /* This is a user read operation */ |
2816 | debug->op = LPFC_IDIAG_OP_RD; | |
a58cbd52 | 2817 | |
b76f2dc9 JS |
2818 | if (!debug->buffer) |
2819 | debug->buffer = kmalloc(LPFC_CTL_ACC_BUF_SIZE, GFP_KERNEL); | |
2820 | if (!debug->buffer) | |
2821 | return 0; | |
2822 | pbuffer = debug->buffer; | |
e2a0a9d6 | 2823 | |
b76f2dc9 JS |
2824 | if (*ppos) |
2825 | return 0; | |
2826 | ||
2827 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD) | |
2828 | ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX]; | |
2829 | else | |
2830 | return 0; | |
2831 | ||
2832 | if (ctl_reg_id == LPFC_CTL_ACC_ALL) | |
2833 | for (i = 1; i <= LPFC_CTL_MAX; i++) | |
2834 | len = lpfc_idiag_ctlacc_read_reg(phba, | |
2835 | pbuffer, len, i); | |
2836 | else | |
2837 | len = lpfc_idiag_ctlacc_read_reg(phba, | |
2838 | pbuffer, len, ctl_reg_id); | |
2839 | ||
2840 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
2841 | } | |
2842 | ||
2843 | /** | |
2844 | * lpfc_idiag_ctlacc_write - Syntax check and set up idiag ctlacc commands | |
2845 | * @file: The file pointer to read from. | |
2846 | * @buf: The buffer to copy the user data from. | |
2847 | * @nbytes: The number of bytes to get. | |
2848 | * @ppos: The position in the file to start reading from. | |
2849 | * | |
2850 | * This routine get the debugfs idiag command struct from user space and then | |
2851 | * perform the syntax check for port and device control register read (dump) | |
2852 | * or write (set) command accordingly. | |
2853 | * | |
2854 | * It returns the @nbytges passing in from debugfs user space when successful. | |
2855 | * In case of error conditions, it returns proper error code back to the user | |
2856 | * space. | |
2857 | **/ | |
2858 | static ssize_t | |
2859 | lpfc_idiag_ctlacc_write(struct file *file, const char __user *buf, | |
2860 | size_t nbytes, loff_t *ppos) | |
2861 | { | |
2862 | struct lpfc_debug *debug = file->private_data; | |
2863 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
2864 | uint32_t ctl_reg_id, value, reg_val = 0; | |
2865 | void __iomem *ctl_reg; | |
2866 | int rc; | |
2867 | ||
2868 | /* This is a user write operation */ | |
2869 | debug->op = LPFC_IDIAG_OP_WR; | |
2870 | ||
2871 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
2872 | if (rc < 0) | |
2873 | return rc; | |
2874 | ||
2875 | /* Sanity check on command line arguments */ | |
2876 | ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX]; | |
2877 | value = idiag.cmd.data[IDIAG_CTLACC_VALUE_INDX]; | |
2878 | ||
2879 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR || | |
2880 | idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST || | |
2881 | idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) { | |
2882 | if (rc != LPFC_CTL_ACC_WR_CMD_ARG) | |
2883 | goto error_out; | |
2884 | if (ctl_reg_id > LPFC_CTL_MAX) | |
2885 | goto error_out; | |
2886 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD) { | |
2887 | if (rc != LPFC_CTL_ACC_RD_CMD_ARG) | |
2888 | goto error_out; | |
2889 | if ((ctl_reg_id > LPFC_CTL_MAX) && | |
2890 | (ctl_reg_id != LPFC_CTL_ACC_ALL)) | |
2891 | goto error_out; | |
2892 | } else | |
2893 | goto error_out; | |
2894 | ||
2895 | /* Perform the write access operation */ | |
2896 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR || | |
2897 | idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST || | |
2898 | idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) { | |
2899 | switch (ctl_reg_id) { | |
2900 | case LPFC_CTL_PORT_SEM: | |
2901 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
2902 | LPFC_CTL_PORT_SEM_OFFSET; | |
2903 | break; | |
2904 | case LPFC_CTL_PORT_STA: | |
2905 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
2906 | LPFC_CTL_PORT_STA_OFFSET; | |
2907 | break; | |
2908 | case LPFC_CTL_PORT_CTL: | |
2909 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
2910 | LPFC_CTL_PORT_CTL_OFFSET; | |
2911 | break; | |
2912 | case LPFC_CTL_PORT_ER1: | |
2913 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
2914 | LPFC_CTL_PORT_ER1_OFFSET; | |
2915 | break; | |
2916 | case LPFC_CTL_PORT_ER2: | |
2917 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
2918 | LPFC_CTL_PORT_ER2_OFFSET; | |
2919 | break; | |
2920 | case LPFC_CTL_PDEV_CTL: | |
2921 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
2922 | LPFC_CTL_PDEV_CTL_OFFSET; | |
2923 | break; | |
2924 | default: | |
2925 | goto error_out; | |
2926 | } | |
2927 | ||
2928 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR) | |
2929 | reg_val = value; | |
2930 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST) { | |
2931 | reg_val = readl(ctl_reg); | |
2932 | reg_val |= value; | |
2933 | } | |
2934 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) { | |
2935 | reg_val = readl(ctl_reg); | |
2936 | reg_val &= ~value; | |
2937 | } | |
2938 | writel(reg_val, ctl_reg); | |
2939 | readl(ctl_reg); /* flush */ | |
2940 | } | |
2941 | return nbytes; | |
2942 | ||
2943 | error_out: | |
2944 | /* Clean out command structure on command error out */ | |
2945 | memset(&idiag, 0, sizeof(idiag)); | |
2946 | return -EINVAL; | |
2947 | } | |
2948 | ||
2949 | /** | |
2950 | * lpfc_idiag_mbxacc_get_setup - idiag debugfs get mailbox access setup | |
2951 | * @phba: Pointer to HBA context object. | |
2952 | * @pbuffer: Pointer to data buffer. | |
2953 | * | |
2954 | * Description: | |
2955 | * This routine gets the driver mailbox access debugfs setup information. | |
2956 | * | |
2957 | * Returns: | |
2958 | * This function returns the amount of data that was read (this could be less | |
2959 | * than @nbytes if the end of the file was reached) or a negative error value. | |
2960 | **/ | |
2961 | static int | |
2962 | lpfc_idiag_mbxacc_get_setup(struct lpfc_hba *phba, char *pbuffer) | |
2963 | { | |
2964 | uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd; | |
2965 | int len = 0; | |
2966 | ||
2967 | mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX]; | |
2968 | mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX]; | |
2969 | mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX]; | |
2970 | mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX]; | |
2971 | ||
2972 | len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len, | |
2973 | "mbx_dump_map: 0x%08x\n", mbx_dump_map); | |
2974 | len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len, | |
2975 | "mbx_dump_cnt: %04d\n", mbx_dump_cnt); | |
2976 | len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len, | |
2977 | "mbx_word_cnt: %04d\n", mbx_word_cnt); | |
2978 | len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len, | |
2979 | "mbx_mbox_cmd: 0x%02x\n", mbx_mbox_cmd); | |
2980 | ||
2981 | return len; | |
2982 | } | |
2983 | ||
2984 | /** | |
2985 | * lpfc_idiag_mbxacc_read - idiag debugfs read on mailbox access | |
2986 | * @file: The file pointer to read from. | |
2987 | * @buf: The buffer to copy the data to. | |
2988 | * @nbytes: The number of bytes to read. | |
2989 | * @ppos: The position in the file to start reading from. | |
2990 | * | |
2991 | * Description: | |
2992 | * This routine reads data from the @phba driver mailbox access debugfs setup | |
2993 | * information. | |
2994 | * | |
2995 | * Returns: | |
2996 | * This function returns the amount of data that was read (this could be less | |
2997 | * than @nbytes if the end of the file was reached) or a negative error value. | |
2998 | **/ | |
2999 | static ssize_t | |
3000 | lpfc_idiag_mbxacc_read(struct file *file, char __user *buf, size_t nbytes, | |
3001 | loff_t *ppos) | |
3002 | { | |
3003 | struct lpfc_debug *debug = file->private_data; | |
3004 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
3005 | char *pbuffer; | |
3006 | int len = 0; | |
3007 | ||
3008 | /* This is a user read operation */ | |
3009 | debug->op = LPFC_IDIAG_OP_RD; | |
3010 | ||
3011 | if (!debug->buffer) | |
3012 | debug->buffer = kmalloc(LPFC_MBX_ACC_BUF_SIZE, GFP_KERNEL); | |
3013 | if (!debug->buffer) | |
3014 | return 0; | |
3015 | pbuffer = debug->buffer; | |
3016 | ||
3017 | if (*ppos) | |
3018 | return 0; | |
3019 | ||
3020 | if ((idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP) && | |
3021 | (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP)) | |
3022 | return 0; | |
3023 | ||
3024 | len = lpfc_idiag_mbxacc_get_setup(phba, pbuffer); | |
3025 | ||
3026 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
3027 | } | |
3028 | ||
3029 | /** | |
3030 | * lpfc_idiag_mbxacc_write - Syntax check and set up idiag mbxacc commands | |
3031 | * @file: The file pointer to read from. | |
3032 | * @buf: The buffer to copy the user data from. | |
3033 | * @nbytes: The number of bytes to get. | |
3034 | * @ppos: The position in the file to start reading from. | |
3035 | * | |
3036 | * This routine get the debugfs idiag command struct from user space and then | |
3037 | * perform the syntax check for driver mailbox command (dump) and sets up the | |
3038 | * necessary states in the idiag command struct accordingly. | |
3039 | * | |
3040 | * It returns the @nbytges passing in from debugfs user space when successful. | |
3041 | * In case of error conditions, it returns proper error code back to the user | |
3042 | * space. | |
3043 | **/ | |
3044 | static ssize_t | |
3045 | lpfc_idiag_mbxacc_write(struct file *file, const char __user *buf, | |
3046 | size_t nbytes, loff_t *ppos) | |
3047 | { | |
3048 | struct lpfc_debug *debug = file->private_data; | |
3049 | uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd; | |
3050 | int rc; | |
3051 | ||
3052 | /* This is a user write operation */ | |
3053 | debug->op = LPFC_IDIAG_OP_WR; | |
3054 | ||
3055 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
3056 | if (rc < 0) | |
3057 | return rc; | |
3058 | ||
3059 | /* Sanity check on command line arguments */ | |
3060 | mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX]; | |
3061 | mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX]; | |
3062 | mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX]; | |
3063 | mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX]; | |
3064 | ||
3065 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_MBXACC_DP) { | |
3066 | if (!(mbx_dump_map & LPFC_MBX_DMP_MBX_ALL)) | |
3067 | goto error_out; | |
3068 | if ((mbx_dump_map & ~LPFC_MBX_DMP_MBX_ALL) && | |
3069 | (mbx_dump_map != LPFC_MBX_DMP_ALL)) | |
3070 | goto error_out; | |
3071 | if (mbx_word_cnt > sizeof(MAILBOX_t)) | |
3072 | goto error_out; | |
3073 | } else if (idiag.cmd.opcode == LPFC_IDIAG_BSG_MBXACC_DP) { | |
3074 | if (!(mbx_dump_map & LPFC_BSG_DMP_MBX_ALL)) | |
3075 | goto error_out; | |
3076 | if ((mbx_dump_map & ~LPFC_BSG_DMP_MBX_ALL) && | |
3077 | (mbx_dump_map != LPFC_MBX_DMP_ALL)) | |
3078 | goto error_out; | |
3079 | if (mbx_word_cnt > (BSG_MBOX_SIZE)/4) | |
3080 | goto error_out; | |
3081 | if (mbx_mbox_cmd != 0x9b) | |
3082 | goto error_out; | |
3083 | } else | |
3084 | goto error_out; | |
3085 | ||
3086 | if (mbx_word_cnt == 0) | |
3087 | goto error_out; | |
3088 | if (rc != LPFC_MBX_DMP_ARG) | |
3089 | goto error_out; | |
3090 | if (mbx_mbox_cmd & ~0xff) | |
3091 | goto error_out; | |
3092 | ||
3093 | /* condition for stop mailbox dump */ | |
3094 | if (mbx_dump_cnt == 0) | |
3095 | goto reset_out; | |
3096 | ||
3097 | return nbytes; | |
3098 | ||
3099 | reset_out: | |
3100 | /* Clean out command structure on command error out */ | |
3101 | memset(&idiag, 0, sizeof(idiag)); | |
3102 | return nbytes; | |
3103 | ||
3104 | error_out: | |
3105 | /* Clean out command structure on command error out */ | |
3106 | memset(&idiag, 0, sizeof(idiag)); | |
3107 | return -EINVAL; | |
3108 | } | |
3109 | ||
3110 | /** | |
3111 | * lpfc_idiag_extacc_avail_get - get the available extents information | |
3112 | * @phba: pointer to lpfc hba data structure. | |
3113 | * @pbuffer: pointer to internal buffer. | |
3114 | * @len: length into the internal buffer data has been copied. | |
3115 | * | |
3116 | * Description: | |
3117 | * This routine is to get the available extent information. | |
3118 | * | |
3119 | * Returns: | |
3120 | * overall lenth of the data read into the internal buffer. | |
3121 | **/ | |
3122 | static int | |
3123 | lpfc_idiag_extacc_avail_get(struct lpfc_hba *phba, char *pbuffer, int len) | |
3124 | { | |
3125 | uint16_t ext_cnt, ext_size; | |
3126 | ||
3127 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3128 | "\nAvailable Extents Information:\n"); | |
3129 | ||
3130 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3131 | "\tPort Available VPI extents: "); | |
3132 | lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VPI, | |
3133 | &ext_cnt, &ext_size); | |
3134 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3135 | "Count %3d, Size %3d\n", ext_cnt, ext_size); | |
3136 | ||
3137 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3138 | "\tPort Available VFI extents: "); | |
3139 | lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VFI, | |
3140 | &ext_cnt, &ext_size); | |
3141 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3142 | "Count %3d, Size %3d\n", ext_cnt, ext_size); | |
3143 | ||
3144 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3145 | "\tPort Available RPI extents: "); | |
3146 | lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_RPI, | |
3147 | &ext_cnt, &ext_size); | |
3148 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3149 | "Count %3d, Size %3d\n", ext_cnt, ext_size); | |
3150 | ||
3151 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3152 | "\tPort Available XRI extents: "); | |
3153 | lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_XRI, | |
3154 | &ext_cnt, &ext_size); | |
3155 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3156 | "Count %3d, Size %3d\n", ext_cnt, ext_size); | |
3157 | ||
3158 | return len; | |
3159 | } | |
3160 | ||
3161 | /** | |
3162 | * lpfc_idiag_extacc_alloc_get - get the allocated extents information | |
3163 | * @phba: pointer to lpfc hba data structure. | |
3164 | * @pbuffer: pointer to internal buffer. | |
3165 | * @len: length into the internal buffer data has been copied. | |
3166 | * | |
3167 | * Description: | |
3168 | * This routine is to get the allocated extent information. | |
3169 | * | |
3170 | * Returns: | |
3171 | * overall lenth of the data read into the internal buffer. | |
3172 | **/ | |
3173 | static int | |
3174 | lpfc_idiag_extacc_alloc_get(struct lpfc_hba *phba, char *pbuffer, int len) | |
3175 | { | |
3176 | uint16_t ext_cnt, ext_size; | |
3177 | int rc; | |
3178 | ||
3179 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3180 | "\nAllocated Extents Information:\n"); | |
3181 | ||
3182 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3183 | "\tHost Allocated VPI extents: "); | |
3184 | rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VPI, | |
3185 | &ext_cnt, &ext_size); | |
3186 | if (!rc) | |
3187 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3188 | "Port %d Extent %3d, Size %3d\n", | |
3189 | phba->brd_no, ext_cnt, ext_size); | |
3190 | else | |
3191 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3192 | "N/A\n"); | |
3193 | ||
3194 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3195 | "\tHost Allocated VFI extents: "); | |
3196 | rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VFI, | |
3197 | &ext_cnt, &ext_size); | |
3198 | if (!rc) | |
3199 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3200 | "Port %d Extent %3d, Size %3d\n", | |
3201 | phba->brd_no, ext_cnt, ext_size); | |
3202 | else | |
3203 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3204 | "N/A\n"); | |
3205 | ||
3206 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3207 | "\tHost Allocated RPI extents: "); | |
3208 | rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_RPI, | |
3209 | &ext_cnt, &ext_size); | |
3210 | if (!rc) | |
3211 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3212 | "Port %d Extent %3d, Size %3d\n", | |
3213 | phba->brd_no, ext_cnt, ext_size); | |
3214 | else | |
3215 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3216 | "N/A\n"); | |
3217 | ||
3218 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3219 | "\tHost Allocated XRI extents: "); | |
3220 | rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_XRI, | |
3221 | &ext_cnt, &ext_size); | |
3222 | if (!rc) | |
3223 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3224 | "Port %d Extent %3d, Size %3d\n", | |
3225 | phba->brd_no, ext_cnt, ext_size); | |
3226 | else | |
3227 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3228 | "N/A\n"); | |
3229 | ||
3230 | return len; | |
3231 | } | |
3232 | ||
3233 | /** | |
3234 | * lpfc_idiag_extacc_drivr_get - get driver extent information | |
3235 | * @phba: pointer to lpfc hba data structure. | |
3236 | * @pbuffer: pointer to internal buffer. | |
3237 | * @len: length into the internal buffer data has been copied. | |
3238 | * | |
3239 | * Description: | |
3240 | * This routine is to get the driver extent information. | |
3241 | * | |
3242 | * Returns: | |
3243 | * overall lenth of the data read into the internal buffer. | |
3244 | **/ | |
3245 | static int | |
3246 | lpfc_idiag_extacc_drivr_get(struct lpfc_hba *phba, char *pbuffer, int len) | |
3247 | { | |
3248 | struct lpfc_rsrc_blks *rsrc_blks; | |
3249 | int index; | |
3250 | ||
3251 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3252 | "\nDriver Extents Information:\n"); | |
3253 | ||
3254 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3255 | "\tVPI extents:\n"); | |
3256 | index = 0; | |
3257 | list_for_each_entry(rsrc_blks, &phba->lpfc_vpi_blk_list, list) { | |
3258 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3259 | "\t\tBlock %3d: Start %4d, Count %4d\n", | |
3260 | index, rsrc_blks->rsrc_start, | |
3261 | rsrc_blks->rsrc_size); | |
3262 | index++; | |
3263 | } | |
3264 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3265 | "\tVFI extents:\n"); | |
3266 | index = 0; | |
3267 | list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_vfi_blk_list, | |
3268 | list) { | |
3269 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3270 | "\t\tBlock %3d: Start %4d, Count %4d\n", | |
3271 | index, rsrc_blks->rsrc_start, | |
3272 | rsrc_blks->rsrc_size); | |
3273 | index++; | |
3274 | } | |
3275 | ||
3276 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3277 | "\tRPI extents:\n"); | |
3278 | index = 0; | |
3279 | list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_rpi_blk_list, | |
3280 | list) { | |
3281 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3282 | "\t\tBlock %3d: Start %4d, Count %4d\n", | |
3283 | index, rsrc_blks->rsrc_start, | |
3284 | rsrc_blks->rsrc_size); | |
3285 | index++; | |
3286 | } | |
3287 | ||
3288 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3289 | "\tXRI extents:\n"); | |
3290 | index = 0; | |
3291 | list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_xri_blk_list, | |
3292 | list) { | |
3293 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
3294 | "\t\tBlock %3d: Start %4d, Count %4d\n", | |
3295 | index, rsrc_blks->rsrc_start, | |
3296 | rsrc_blks->rsrc_size); | |
3297 | index++; | |
3298 | } | |
3299 | ||
3300 | return len; | |
3301 | } | |
3302 | ||
3303 | /** | |
3304 | * lpfc_idiag_extacc_write - Syntax check and set up idiag extacc commands | |
3305 | * @file: The file pointer to read from. | |
3306 | * @buf: The buffer to copy the user data from. | |
3307 | * @nbytes: The number of bytes to get. | |
3308 | * @ppos: The position in the file to start reading from. | |
3309 | * | |
3310 | * This routine get the debugfs idiag command struct from user space and then | |
3311 | * perform the syntax check for extent information access commands and sets | |
3312 | * up the necessary states in the idiag command struct accordingly. | |
3313 | * | |
3314 | * It returns the @nbytges passing in from debugfs user space when successful. | |
3315 | * In case of error conditions, it returns proper error code back to the user | |
3316 | * space. | |
3317 | **/ | |
3318 | static ssize_t | |
3319 | lpfc_idiag_extacc_write(struct file *file, const char __user *buf, | |
3320 | size_t nbytes, loff_t *ppos) | |
3321 | { | |
3322 | struct lpfc_debug *debug = file->private_data; | |
3323 | uint32_t ext_map; | |
3324 | int rc; | |
3325 | ||
3326 | /* This is a user write operation */ | |
3327 | debug->op = LPFC_IDIAG_OP_WR; | |
3328 | ||
3329 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
3330 | if (rc < 0) | |
3331 | return rc; | |
3332 | ||
3333 | ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX]; | |
3334 | ||
3335 | if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD) | |
3336 | goto error_out; | |
3337 | if (rc != LPFC_EXT_ACC_CMD_ARG) | |
3338 | goto error_out; | |
3339 | if (!(ext_map & LPFC_EXT_ACC_ALL)) | |
3340 | goto error_out; | |
3341 | ||
3342 | return nbytes; | |
3343 | error_out: | |
3344 | /* Clean out command structure on command error out */ | |
3345 | memset(&idiag, 0, sizeof(idiag)); | |
3346 | return -EINVAL; | |
3347 | } | |
3348 | ||
3349 | /** | |
3350 | * lpfc_idiag_extacc_read - idiag debugfs read access to extent information | |
3351 | * @file: The file pointer to read from. | |
3352 | * @buf: The buffer to copy the data to. | |
3353 | * @nbytes: The number of bytes to read. | |
3354 | * @ppos: The position in the file to start reading from. | |
3355 | * | |
3356 | * Description: | |
3357 | * This routine reads data from the proper extent information according to | |
3358 | * the idiag command, and copies to user @buf. | |
3359 | * | |
3360 | * Returns: | |
3361 | * This function returns the amount of data that was read (this could be less | |
3362 | * than @nbytes if the end of the file was reached) or a negative error value. | |
3363 | **/ | |
3364 | static ssize_t | |
3365 | lpfc_idiag_extacc_read(struct file *file, char __user *buf, size_t nbytes, | |
3366 | loff_t *ppos) | |
3367 | { | |
3368 | struct lpfc_debug *debug = file->private_data; | |
3369 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
3370 | char *pbuffer; | |
3371 | uint32_t ext_map; | |
3372 | int len = 0; | |
3373 | ||
3374 | /* This is a user read operation */ | |
3375 | debug->op = LPFC_IDIAG_OP_RD; | |
3376 | ||
3377 | if (!debug->buffer) | |
3378 | debug->buffer = kmalloc(LPFC_EXT_ACC_BUF_SIZE, GFP_KERNEL); | |
3379 | if (!debug->buffer) | |
3380 | return 0; | |
3381 | pbuffer = debug->buffer; | |
3382 | if (*ppos) | |
3383 | return 0; | |
3384 | if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD) | |
3385 | return 0; | |
3386 | ||
3387 | ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX]; | |
3388 | if (ext_map & LPFC_EXT_ACC_AVAIL) | |
3389 | len = lpfc_idiag_extacc_avail_get(phba, pbuffer, len); | |
3390 | if (ext_map & LPFC_EXT_ACC_ALLOC) | |
3391 | len = lpfc_idiag_extacc_alloc_get(phba, pbuffer, len); | |
3392 | if (ext_map & LPFC_EXT_ACC_DRIVR) | |
3393 | len = lpfc_idiag_extacc_drivr_get(phba, pbuffer, len); | |
3394 | ||
3395 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
3396 | } | |
3397 | ||
3398 | #undef lpfc_debugfs_op_disc_trc | |
3399 | static const struct file_operations lpfc_debugfs_op_disc_trc = { | |
3400 | .owner = THIS_MODULE, | |
3401 | .open = lpfc_debugfs_disc_trc_open, | |
3402 | .llseek = lpfc_debugfs_lseek, | |
3403 | .read = lpfc_debugfs_read, | |
3404 | .release = lpfc_debugfs_release, | |
3405 | }; | |
3406 | ||
3407 | #undef lpfc_debugfs_op_nodelist | |
3408 | static const struct file_operations lpfc_debugfs_op_nodelist = { | |
3409 | .owner = THIS_MODULE, | |
3410 | .open = lpfc_debugfs_nodelist_open, | |
3411 | .llseek = lpfc_debugfs_lseek, | |
3412 | .read = lpfc_debugfs_read, | |
3413 | .release = lpfc_debugfs_release, | |
3414 | }; | |
3415 | ||
3416 | #undef lpfc_debugfs_op_hbqinfo | |
3417 | static const struct file_operations lpfc_debugfs_op_hbqinfo = { | |
3418 | .owner = THIS_MODULE, | |
3419 | .open = lpfc_debugfs_hbqinfo_open, | |
3420 | .llseek = lpfc_debugfs_lseek, | |
3421 | .read = lpfc_debugfs_read, | |
3422 | .release = lpfc_debugfs_release, | |
3423 | }; | |
3424 | ||
3425 | #undef lpfc_debugfs_op_dumpHBASlim | |
3426 | static const struct file_operations lpfc_debugfs_op_dumpHBASlim = { | |
3427 | .owner = THIS_MODULE, | |
3428 | .open = lpfc_debugfs_dumpHBASlim_open, | |
3429 | .llseek = lpfc_debugfs_lseek, | |
3430 | .read = lpfc_debugfs_read, | |
3431 | .release = lpfc_debugfs_release, | |
3432 | }; | |
3433 | ||
3434 | #undef lpfc_debugfs_op_dumpHostSlim | |
3435 | static const struct file_operations lpfc_debugfs_op_dumpHostSlim = { | |
3436 | .owner = THIS_MODULE, | |
3437 | .open = lpfc_debugfs_dumpHostSlim_open, | |
3438 | .llseek = lpfc_debugfs_lseek, | |
3439 | .read = lpfc_debugfs_read, | |
3440 | .release = lpfc_debugfs_release, | |
3441 | }; | |
3442 | ||
3443 | #undef lpfc_debugfs_op_dumpData | |
3444 | static const struct file_operations lpfc_debugfs_op_dumpData = { | |
3445 | .owner = THIS_MODULE, | |
3446 | .open = lpfc_debugfs_dumpData_open, | |
3447 | .llseek = lpfc_debugfs_lseek, | |
3448 | .read = lpfc_debugfs_read, | |
3449 | .write = lpfc_debugfs_dumpDataDif_write, | |
3450 | .release = lpfc_debugfs_dumpDataDif_release, | |
3451 | }; | |
3452 | ||
3453 | #undef lpfc_debugfs_op_dumpDif | |
3454 | static const struct file_operations lpfc_debugfs_op_dumpDif = { | |
e2a0a9d6 JS |
3455 | .owner = THIS_MODULE, |
3456 | .open = lpfc_debugfs_dumpDif_open, | |
3457 | .llseek = lpfc_debugfs_lseek, | |
3458 | .read = lpfc_debugfs_read, | |
3459 | .write = lpfc_debugfs_dumpDataDif_write, | |
3460 | .release = lpfc_debugfs_dumpDataDif_release, | |
3461 | }; | |
3462 | ||
f9bb2da1 JS |
3463 | #undef lpfc_debugfs_op_dif_err |
3464 | static const struct file_operations lpfc_debugfs_op_dif_err = { | |
3465 | .owner = THIS_MODULE, | |
3466 | .open = lpfc_debugfs_dif_err_open, | |
3467 | .llseek = lpfc_debugfs_lseek, | |
3468 | .read = lpfc_debugfs_dif_err_read, | |
3469 | .write = lpfc_debugfs_dif_err_write, | |
3470 | .release = lpfc_debugfs_dif_err_release, | |
3471 | }; | |
3472 | ||
a58cbd52 | 3473 | #undef lpfc_debugfs_op_slow_ring_trc |
71fa7421 | 3474 | static const struct file_operations lpfc_debugfs_op_slow_ring_trc = { |
a58cbd52 JS |
3475 | .owner = THIS_MODULE, |
3476 | .open = lpfc_debugfs_slow_ring_trc_open, | |
3477 | .llseek = lpfc_debugfs_lseek, | |
3478 | .read = lpfc_debugfs_read, | |
3479 | .release = lpfc_debugfs_release, | |
3480 | }; | |
3481 | ||
858c9f6c JS |
3482 | static struct dentry *lpfc_debugfs_root = NULL; |
3483 | static atomic_t lpfc_debugfs_hba_count; | |
2a622bfb JS |
3484 | |
3485 | /* | |
3486 | * File operations for the iDiag debugfs | |
3487 | */ | |
3488 | #undef lpfc_idiag_op_pciCfg | |
3489 | static const struct file_operations lpfc_idiag_op_pciCfg = { | |
3490 | .owner = THIS_MODULE, | |
3491 | .open = lpfc_idiag_open, | |
3492 | .llseek = lpfc_debugfs_lseek, | |
3493 | .read = lpfc_idiag_pcicfg_read, | |
3494 | .write = lpfc_idiag_pcicfg_write, | |
3495 | .release = lpfc_idiag_cmd_release, | |
3496 | }; | |
3497 | ||
b76f2dc9 JS |
3498 | #undef lpfc_idiag_op_barAcc |
3499 | static const struct file_operations lpfc_idiag_op_barAcc = { | |
3500 | .owner = THIS_MODULE, | |
3501 | .open = lpfc_idiag_open, | |
3502 | .llseek = lpfc_debugfs_lseek, | |
3503 | .read = lpfc_idiag_baracc_read, | |
3504 | .write = lpfc_idiag_baracc_write, | |
3505 | .release = lpfc_idiag_cmd_release, | |
3506 | }; | |
3507 | ||
2a622bfb JS |
3508 | #undef lpfc_idiag_op_queInfo |
3509 | static const struct file_operations lpfc_idiag_op_queInfo = { | |
3510 | .owner = THIS_MODULE, | |
3511 | .open = lpfc_idiag_open, | |
3512 | .read = lpfc_idiag_queinfo_read, | |
3513 | .release = lpfc_idiag_release, | |
3514 | }; | |
3515 | ||
b76f2dc9 | 3516 | #undef lpfc_idiag_op_queAcc |
86a80846 JS |
3517 | static const struct file_operations lpfc_idiag_op_queAcc = { |
3518 | .owner = THIS_MODULE, | |
3519 | .open = lpfc_idiag_open, | |
3520 | .llseek = lpfc_debugfs_lseek, | |
3521 | .read = lpfc_idiag_queacc_read, | |
3522 | .write = lpfc_idiag_queacc_write, | |
3523 | .release = lpfc_idiag_cmd_release, | |
3524 | }; | |
3525 | ||
b76f2dc9 | 3526 | #undef lpfc_idiag_op_drbAcc |
86a80846 JS |
3527 | static const struct file_operations lpfc_idiag_op_drbAcc = { |
3528 | .owner = THIS_MODULE, | |
3529 | .open = lpfc_idiag_open, | |
3530 | .llseek = lpfc_debugfs_lseek, | |
3531 | .read = lpfc_idiag_drbacc_read, | |
3532 | .write = lpfc_idiag_drbacc_write, | |
3533 | .release = lpfc_idiag_cmd_release, | |
3534 | }; | |
3535 | ||
b76f2dc9 JS |
3536 | #undef lpfc_idiag_op_ctlAcc |
3537 | static const struct file_operations lpfc_idiag_op_ctlAcc = { | |
3538 | .owner = THIS_MODULE, | |
3539 | .open = lpfc_idiag_open, | |
3540 | .llseek = lpfc_debugfs_lseek, | |
3541 | .read = lpfc_idiag_ctlacc_read, | |
3542 | .write = lpfc_idiag_ctlacc_write, | |
3543 | .release = lpfc_idiag_cmd_release, | |
3544 | }; | |
3545 | ||
3546 | #undef lpfc_idiag_op_mbxAcc | |
3547 | static const struct file_operations lpfc_idiag_op_mbxAcc = { | |
3548 | .owner = THIS_MODULE, | |
3549 | .open = lpfc_idiag_open, | |
3550 | .llseek = lpfc_debugfs_lseek, | |
3551 | .read = lpfc_idiag_mbxacc_read, | |
3552 | .write = lpfc_idiag_mbxacc_write, | |
3553 | .release = lpfc_idiag_cmd_release, | |
3554 | }; | |
3555 | ||
3556 | #undef lpfc_idiag_op_extAcc | |
3557 | static const struct file_operations lpfc_idiag_op_extAcc = { | |
3558 | .owner = THIS_MODULE, | |
3559 | .open = lpfc_idiag_open, | |
3560 | .llseek = lpfc_debugfs_lseek, | |
3561 | .read = lpfc_idiag_extacc_read, | |
3562 | .write = lpfc_idiag_extacc_write, | |
3563 | .release = lpfc_idiag_cmd_release, | |
3564 | }; | |
3565 | ||
858c9f6c JS |
3566 | #endif |
3567 | ||
b76f2dc9 JS |
3568 | /* lpfc_idiag_mbxacc_dump_bsg_mbox - idiag debugfs dump bsg mailbox command |
3569 | * @phba: Pointer to HBA context object. | |
3570 | * @dmabuf: Pointer to a DMA buffer descriptor. | |
3571 | * | |
3572 | * Description: | |
3573 | * This routine dump a bsg pass-through non-embedded mailbox command with | |
3574 | * external buffer. | |
3575 | **/ | |
3576 | void | |
3577 | lpfc_idiag_mbxacc_dump_bsg_mbox(struct lpfc_hba *phba, enum nemb_type nemb_tp, | |
3578 | enum mbox_type mbox_tp, enum dma_type dma_tp, | |
3579 | enum sta_type sta_tp, | |
3580 | struct lpfc_dmabuf *dmabuf, uint32_t ext_buf) | |
3581 | { | |
3582 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS | |
3583 | uint32_t *mbx_mbox_cmd, *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt; | |
3584 | char line_buf[LPFC_MBX_ACC_LBUF_SZ]; | |
3585 | int len = 0; | |
3586 | uint32_t do_dump = 0; | |
3587 | uint32_t *pword; | |
3588 | uint32_t i; | |
3589 | ||
3590 | if (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP) | |
3591 | return; | |
3592 | ||
3593 | mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX]; | |
3594 | mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX]; | |
3595 | mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX]; | |
3596 | mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX]; | |
3597 | ||
3598 | if (!(*mbx_dump_map & LPFC_MBX_DMP_ALL) || | |
3599 | (*mbx_dump_cnt == 0) || | |
3600 | (*mbx_word_cnt == 0)) | |
3601 | return; | |
3602 | ||
3603 | if (*mbx_mbox_cmd != 0x9B) | |
3604 | return; | |
3605 | ||
3606 | if ((mbox_tp == mbox_rd) && (dma_tp == dma_mbox)) { | |
3607 | if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_MBX) { | |
3608 | do_dump |= LPFC_BSG_DMP_MBX_RD_MBX; | |
3609 | printk(KERN_ERR "\nRead mbox command (x%x), " | |
3610 | "nemb:0x%x, extbuf_cnt:%d:\n", | |
3611 | sta_tp, nemb_tp, ext_buf); | |
3612 | } | |
3613 | } | |
3614 | if ((mbox_tp == mbox_rd) && (dma_tp == dma_ebuf)) { | |
3615 | if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_BUF) { | |
3616 | do_dump |= LPFC_BSG_DMP_MBX_RD_BUF; | |
3617 | printk(KERN_ERR "\nRead mbox buffer (x%x), " | |
3618 | "nemb:0x%x, extbuf_seq:%d:\n", | |
3619 | sta_tp, nemb_tp, ext_buf); | |
3620 | } | |
3621 | } | |
3622 | if ((mbox_tp == mbox_wr) && (dma_tp == dma_mbox)) { | |
3623 | if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_MBX) { | |
3624 | do_dump |= LPFC_BSG_DMP_MBX_WR_MBX; | |
3625 | printk(KERN_ERR "\nWrite mbox command (x%x), " | |
3626 | "nemb:0x%x, extbuf_cnt:%d:\n", | |
3627 | sta_tp, nemb_tp, ext_buf); | |
3628 | } | |
3629 | } | |
3630 | if ((mbox_tp == mbox_wr) && (dma_tp == dma_ebuf)) { | |
3631 | if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_BUF) { | |
3632 | do_dump |= LPFC_BSG_DMP_MBX_WR_BUF; | |
3633 | printk(KERN_ERR "\nWrite mbox buffer (x%x), " | |
3634 | "nemb:0x%x, extbuf_seq:%d:\n", | |
3635 | sta_tp, nemb_tp, ext_buf); | |
3636 | } | |
3637 | } | |
3638 | ||
3639 | /* dump buffer content */ | |
3640 | if (do_dump) { | |
3641 | pword = (uint32_t *)dmabuf->virt; | |
3642 | for (i = 0; i < *mbx_word_cnt; i++) { | |
3643 | if (!(i % 8)) { | |
3644 | if (i != 0) | |
3645 | printk(KERN_ERR "%s\n", line_buf); | |
3646 | len = 0; | |
3647 | len += snprintf(line_buf+len, | |
3648 | LPFC_MBX_ACC_LBUF_SZ-len, | |
3649 | "%03d: ", i); | |
3650 | } | |
3651 | len += snprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len, | |
3652 | "%08x ", (uint32_t)*pword); | |
3653 | pword++; | |
3654 | } | |
3655 | if ((i - 1) % 8) | |
3656 | printk(KERN_ERR "%s\n", line_buf); | |
3657 | (*mbx_dump_cnt)--; | |
3658 | } | |
3659 | ||
3660 | /* Clean out command structure on reaching dump count */ | |
3661 | if (*mbx_dump_cnt == 0) | |
3662 | memset(&idiag, 0, sizeof(idiag)); | |
3663 | return; | |
3664 | #endif | |
3665 | } | |
3666 | ||
3667 | /* lpfc_idiag_mbxacc_dump_issue_mbox - idiag debugfs dump issue mailbox command | |
3668 | * @phba: Pointer to HBA context object. | |
3669 | * @dmabuf: Pointer to a DMA buffer descriptor. | |
3670 | * | |
3671 | * Description: | |
3672 | * This routine dump a pass-through non-embedded mailbox command from issue | |
3673 | * mailbox command. | |
3674 | **/ | |
3675 | void | |
3676 | lpfc_idiag_mbxacc_dump_issue_mbox(struct lpfc_hba *phba, MAILBOX_t *pmbox) | |
3677 | { | |
3678 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS | |
3679 | uint32_t *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt, *mbx_mbox_cmd; | |
3680 | char line_buf[LPFC_MBX_ACC_LBUF_SZ]; | |
3681 | int len = 0; | |
3682 | uint32_t *pword; | |
3683 | uint8_t *pbyte; | |
3684 | uint32_t i, j; | |
3685 | ||
3686 | if (idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP) | |
3687 | return; | |
3688 | ||
3689 | mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX]; | |
3690 | mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX]; | |
3691 | mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX]; | |
3692 | mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX]; | |
3693 | ||
3694 | if (!(*mbx_dump_map & LPFC_MBX_DMP_MBX_ALL) || | |
3695 | (*mbx_dump_cnt == 0) || | |
3696 | (*mbx_word_cnt == 0)) | |
3697 | return; | |
3698 | ||
3699 | if ((*mbx_mbox_cmd != LPFC_MBX_ALL_CMD) && | |
3700 | (*mbx_mbox_cmd != pmbox->mbxCommand)) | |
3701 | return; | |
3702 | ||
3703 | /* dump buffer content */ | |
3704 | if (*mbx_dump_map & LPFC_MBX_DMP_MBX_WORD) { | |
3705 | printk(KERN_ERR "Mailbox command:0x%x dump by word:\n", | |
3706 | pmbox->mbxCommand); | |
3707 | pword = (uint32_t *)pmbox; | |
3708 | for (i = 0; i < *mbx_word_cnt; i++) { | |
3709 | if (!(i % 8)) { | |
3710 | if (i != 0) | |
3711 | printk(KERN_ERR "%s\n", line_buf); | |
3712 | len = 0; | |
3713 | memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ); | |
3714 | len += snprintf(line_buf+len, | |
3715 | LPFC_MBX_ACC_LBUF_SZ-len, | |
3716 | "%03d: ", i); | |
3717 | } | |
3718 | len += snprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len, | |
3719 | "%08x ", | |
3720 | ((uint32_t)*pword) & 0xffffffff); | |
3721 | pword++; | |
3722 | } | |
3723 | if ((i - 1) % 8) | |
3724 | printk(KERN_ERR "%s\n", line_buf); | |
3725 | printk(KERN_ERR "\n"); | |
3726 | } | |
3727 | if (*mbx_dump_map & LPFC_MBX_DMP_MBX_BYTE) { | |
3728 | printk(KERN_ERR "Mailbox command:0x%x dump by byte:\n", | |
3729 | pmbox->mbxCommand); | |
3730 | pbyte = (uint8_t *)pmbox; | |
3731 | for (i = 0; i < *mbx_word_cnt; i++) { | |
3732 | if (!(i % 8)) { | |
3733 | if (i != 0) | |
3734 | printk(KERN_ERR "%s\n", line_buf); | |
3735 | len = 0; | |
3736 | memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ); | |
3737 | len += snprintf(line_buf+len, | |
3738 | LPFC_MBX_ACC_LBUF_SZ-len, | |
3739 | "%03d: ", i); | |
3740 | } | |
3741 | for (j = 0; j < 4; j++) { | |
3742 | len += snprintf(line_buf+len, | |
3743 | LPFC_MBX_ACC_LBUF_SZ-len, | |
3744 | "%02x", | |
3745 | ((uint8_t)*pbyte) & 0xff); | |
3746 | pbyte++; | |
3747 | } | |
3748 | len += snprintf(line_buf+len, | |
3749 | LPFC_MBX_ACC_LBUF_SZ-len, " "); | |
3750 | } | |
3751 | if ((i - 1) % 8) | |
3752 | printk(KERN_ERR "%s\n", line_buf); | |
3753 | printk(KERN_ERR "\n"); | |
3754 | } | |
3755 | (*mbx_dump_cnt)--; | |
3756 | ||
3757 | /* Clean out command structure on reaching dump count */ | |
3758 | if (*mbx_dump_cnt == 0) | |
3759 | memset(&idiag, 0, sizeof(idiag)); | |
3760 | return; | |
3761 | #endif | |
3762 | } | |
3763 | ||
e59058c4 | 3764 | /** |
3621a710 | 3765 | * lpfc_debugfs_initialize - Initialize debugfs for a vport |
e59058c4 JS |
3766 | * @vport: The vport pointer to initialize. |
3767 | * | |
3768 | * Description: | |
3769 | * When Debugfs is configured this routine sets up the lpfc debugfs file system. | |
3770 | * If not already created, this routine will create the lpfc directory, and | |
3771 | * lpfcX directory (for this HBA), and vportX directory for this vport. It will | |
3772 | * also create each file used to access lpfc specific debugfs information. | |
3773 | **/ | |
858c9f6c JS |
3774 | inline void |
3775 | lpfc_debugfs_initialize(struct lpfc_vport *vport) | |
3776 | { | |
923e4b6a | 3777 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
858c9f6c JS |
3778 | struct lpfc_hba *phba = vport->phba; |
3779 | char name[64]; | |
3780 | uint32_t num, i; | |
3781 | ||
3782 | if (!lpfc_debugfs_enable) | |
3783 | return; | |
3784 | ||
a58cbd52 | 3785 | /* Setup lpfc root directory */ |
858c9f6c JS |
3786 | if (!lpfc_debugfs_root) { |
3787 | lpfc_debugfs_root = debugfs_create_dir("lpfc", NULL); | |
3788 | atomic_set(&lpfc_debugfs_hba_count, 0); | |
a58cbd52 | 3789 | if (!lpfc_debugfs_root) { |
e8b62011 | 3790 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 3791 | "0408 Cannot create debugfs root\n"); |
858c9f6c | 3792 | goto debug_failed; |
a58cbd52 | 3793 | } |
858c9f6c | 3794 | } |
a58cbd52 JS |
3795 | if (!lpfc_debugfs_start_time) |
3796 | lpfc_debugfs_start_time = jiffies; | |
3797 | ||
2a622bfb JS |
3798 | /* Setup funcX directory for specific HBA PCI function */ |
3799 | snprintf(name, sizeof(name), "fn%d", phba->brd_no); | |
858c9f6c JS |
3800 | if (!phba->hba_debugfs_root) { |
3801 | phba->hba_debugfs_root = | |
3802 | debugfs_create_dir(name, lpfc_debugfs_root); | |
a58cbd52 | 3803 | if (!phba->hba_debugfs_root) { |
e8b62011 | 3804 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 3805 | "0412 Cannot create debugfs hba\n"); |
858c9f6c | 3806 | goto debug_failed; |
a58cbd52 | 3807 | } |
858c9f6c JS |
3808 | atomic_inc(&lpfc_debugfs_hba_count); |
3809 | atomic_set(&phba->debugfs_vport_count, 0); | |
a58cbd52 | 3810 | |
78b2d852 JS |
3811 | /* Setup hbqinfo */ |
3812 | snprintf(name, sizeof(name), "hbqinfo"); | |
3813 | phba->debug_hbqinfo = | |
3814 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
3815 | phba->hba_debugfs_root, | |
3816 | phba, &lpfc_debugfs_op_hbqinfo); | |
3817 | if (!phba->debug_hbqinfo) { | |
3818 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
d7c255b2 | 3819 | "0411 Cannot create debugfs hbqinfo\n"); |
78b2d852 JS |
3820 | goto debug_failed; |
3821 | } | |
3822 | ||
c95d6c6c | 3823 | /* Setup dumpHBASlim */ |
2a622bfb JS |
3824 | if (phba->sli_rev < LPFC_SLI_REV4) { |
3825 | snprintf(name, sizeof(name), "dumpHBASlim"); | |
3826 | phba->debug_dumpHBASlim = | |
3827 | debugfs_create_file(name, | |
3828 | S_IFREG|S_IRUGO|S_IWUSR, | |
3829 | phba->hba_debugfs_root, | |
3830 | phba, &lpfc_debugfs_op_dumpHBASlim); | |
3831 | if (!phba->debug_dumpHBASlim) { | |
3832 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
3833 | "0413 Cannot create debugfs " | |
3834 | "dumpHBASlim\n"); | |
3835 | goto debug_failed; | |
3836 | } | |
3837 | } else | |
3838 | phba->debug_dumpHBASlim = NULL; | |
c95d6c6c JS |
3839 | |
3840 | /* Setup dumpHostSlim */ | |
2a622bfb JS |
3841 | if (phba->sli_rev < LPFC_SLI_REV4) { |
3842 | snprintf(name, sizeof(name), "dumpHostSlim"); | |
3843 | phba->debug_dumpHostSlim = | |
3844 | debugfs_create_file(name, | |
3845 | S_IFREG|S_IRUGO|S_IWUSR, | |
3846 | phba->hba_debugfs_root, | |
3847 | phba, &lpfc_debugfs_op_dumpHostSlim); | |
3848 | if (!phba->debug_dumpHostSlim) { | |
3849 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
3850 | "0414 Cannot create debugfs " | |
3851 | "dumpHostSlim\n"); | |
3852 | goto debug_failed; | |
3853 | } | |
3854 | } else | |
3855 | phba->debug_dumpHBASlim = NULL; | |
a58cbd52 | 3856 | |
e2a0a9d6 JS |
3857 | /* Setup dumpData */ |
3858 | snprintf(name, sizeof(name), "dumpData"); | |
3859 | phba->debug_dumpData = | |
3860 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
3861 | phba->hba_debugfs_root, | |
3862 | phba, &lpfc_debugfs_op_dumpData); | |
3863 | if (!phba->debug_dumpData) { | |
3864 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
3865 | "0800 Cannot create debugfs dumpData\n"); | |
3866 | goto debug_failed; | |
3867 | } | |
3868 | ||
3869 | /* Setup dumpDif */ | |
3870 | snprintf(name, sizeof(name), "dumpDif"); | |
3871 | phba->debug_dumpDif = | |
3872 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
3873 | phba->hba_debugfs_root, | |
3874 | phba, &lpfc_debugfs_op_dumpDif); | |
3875 | if (!phba->debug_dumpDif) { | |
3876 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
3877 | "0801 Cannot create debugfs dumpDif\n"); | |
3878 | goto debug_failed; | |
3879 | } | |
3880 | ||
f9bb2da1 JS |
3881 | /* Setup DIF Error Injections */ |
3882 | snprintf(name, sizeof(name), "InjErrLBA"); | |
3883 | phba->debug_InjErrLBA = | |
3884 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
3885 | phba->hba_debugfs_root, | |
3886 | phba, &lpfc_debugfs_op_dif_err); | |
3887 | if (!phba->debug_InjErrLBA) { | |
3888 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
3889 | "0807 Cannot create debugfs InjErrLBA\n"); | |
3890 | goto debug_failed; | |
3891 | } | |
3892 | phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; | |
3893 | ||
3894 | snprintf(name, sizeof(name), "writeGuardInjErr"); | |
3895 | phba->debug_writeGuard = | |
3896 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
3897 | phba->hba_debugfs_root, | |
3898 | phba, &lpfc_debugfs_op_dif_err); | |
3899 | if (!phba->debug_writeGuard) { | |
3900 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
3901 | "0802 Cannot create debugfs writeGuard\n"); | |
3902 | goto debug_failed; | |
3903 | } | |
3904 | ||
3905 | snprintf(name, sizeof(name), "writeAppInjErr"); | |
3906 | phba->debug_writeApp = | |
3907 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
3908 | phba->hba_debugfs_root, | |
3909 | phba, &lpfc_debugfs_op_dif_err); | |
3910 | if (!phba->debug_writeApp) { | |
3911 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
3912 | "0803 Cannot create debugfs writeApp\n"); | |
3913 | goto debug_failed; | |
3914 | } | |
3915 | ||
3916 | snprintf(name, sizeof(name), "writeRefInjErr"); | |
3917 | phba->debug_writeRef = | |
3918 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
3919 | phba->hba_debugfs_root, | |
3920 | phba, &lpfc_debugfs_op_dif_err); | |
3921 | if (!phba->debug_writeRef) { | |
3922 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
3923 | "0804 Cannot create debugfs writeRef\n"); | |
3924 | goto debug_failed; | |
3925 | } | |
3926 | ||
3927 | snprintf(name, sizeof(name), "readAppInjErr"); | |
3928 | phba->debug_readApp = | |
3929 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
3930 | phba->hba_debugfs_root, | |
3931 | phba, &lpfc_debugfs_op_dif_err); | |
3932 | if (!phba->debug_readApp) { | |
3933 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
3934 | "0805 Cannot create debugfs readApp\n"); | |
3935 | goto debug_failed; | |
3936 | } | |
3937 | ||
3938 | snprintf(name, sizeof(name), "readRefInjErr"); | |
3939 | phba->debug_readRef = | |
3940 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
3941 | phba->hba_debugfs_root, | |
3942 | phba, &lpfc_debugfs_op_dif_err); | |
3943 | if (!phba->debug_readRef) { | |
3944 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
3945 | "0806 Cannot create debugfs readApp\n"); | |
3946 | goto debug_failed; | |
3947 | } | |
3948 | ||
a58cbd52 JS |
3949 | /* Setup slow ring trace */ |
3950 | if (lpfc_debugfs_max_slow_ring_trc) { | |
3951 | num = lpfc_debugfs_max_slow_ring_trc - 1; | |
3952 | if (num & lpfc_debugfs_max_slow_ring_trc) { | |
3953 | /* Change to be a power of 2 */ | |
3954 | num = lpfc_debugfs_max_slow_ring_trc; | |
3955 | i = 0; | |
3956 | while (num > 1) { | |
3957 | num = num >> 1; | |
3958 | i++; | |
3959 | } | |
3960 | lpfc_debugfs_max_slow_ring_trc = (1 << i); | |
3961 | printk(KERN_ERR | |
e8b62011 JS |
3962 | "lpfc_debugfs_max_disc_trc changed to " |
3963 | "%d\n", lpfc_debugfs_max_disc_trc); | |
a58cbd52 JS |
3964 | } |
3965 | } | |
3966 | ||
a58cbd52 JS |
3967 | snprintf(name, sizeof(name), "slow_ring_trace"); |
3968 | phba->debug_slow_ring_trc = | |
3969 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
3970 | phba->hba_debugfs_root, | |
3971 | phba, &lpfc_debugfs_op_slow_ring_trc); | |
3972 | if (!phba->debug_slow_ring_trc) { | |
e8b62011 | 3973 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 3974 | "0415 Cannot create debugfs " |
e8b62011 | 3975 | "slow_ring_trace\n"); |
a58cbd52 JS |
3976 | goto debug_failed; |
3977 | } | |
3978 | if (!phba->slow_ring_trc) { | |
3979 | phba->slow_ring_trc = kmalloc( | |
3980 | (sizeof(struct lpfc_debugfs_trc) * | |
3981 | lpfc_debugfs_max_slow_ring_trc), | |
3982 | GFP_KERNEL); | |
3983 | if (!phba->slow_ring_trc) { | |
e8b62011 | 3984 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 3985 | "0416 Cannot create debugfs " |
e8b62011 | 3986 | "slow_ring buffer\n"); |
a58cbd52 JS |
3987 | goto debug_failed; |
3988 | } | |
3989 | atomic_set(&phba->slow_ring_trc_cnt, 0); | |
3990 | memset(phba->slow_ring_trc, 0, | |
3991 | (sizeof(struct lpfc_debugfs_trc) * | |
3992 | lpfc_debugfs_max_slow_ring_trc)); | |
3993 | } | |
858c9f6c JS |
3994 | } |
3995 | ||
3996 | snprintf(name, sizeof(name), "vport%d", vport->vpi); | |
3997 | if (!vport->vport_debugfs_root) { | |
3998 | vport->vport_debugfs_root = | |
3999 | debugfs_create_dir(name, phba->hba_debugfs_root); | |
a58cbd52 | 4000 | if (!vport->vport_debugfs_root) { |
e8b62011 | 4001 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
25985edc | 4002 | "0417 Can't create debugfs\n"); |
858c9f6c | 4003 | goto debug_failed; |
a58cbd52 | 4004 | } |
858c9f6c JS |
4005 | atomic_inc(&phba->debugfs_vport_count); |
4006 | } | |
4007 | ||
a58cbd52 JS |
4008 | if (lpfc_debugfs_max_disc_trc) { |
4009 | num = lpfc_debugfs_max_disc_trc - 1; | |
4010 | if (num & lpfc_debugfs_max_disc_trc) { | |
4011 | /* Change to be a power of 2 */ | |
4012 | num = lpfc_debugfs_max_disc_trc; | |
4013 | i = 0; | |
4014 | while (num > 1) { | |
4015 | num = num >> 1; | |
4016 | i++; | |
4017 | } | |
4018 | lpfc_debugfs_max_disc_trc = (1 << i); | |
4019 | printk(KERN_ERR | |
e8b62011 JS |
4020 | "lpfc_debugfs_max_disc_trc changed to %d\n", |
4021 | lpfc_debugfs_max_disc_trc); | |
a58cbd52 JS |
4022 | } |
4023 | } | |
858c9f6c | 4024 | |
ff86ba59 | 4025 | vport->disc_trc = kzalloc( |
a58cbd52 | 4026 | (sizeof(struct lpfc_debugfs_trc) * lpfc_debugfs_max_disc_trc), |
858c9f6c JS |
4027 | GFP_KERNEL); |
4028 | ||
a58cbd52 | 4029 | if (!vport->disc_trc) { |
e8b62011 | 4030 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 4031 | "0418 Cannot create debugfs disc trace " |
e8b62011 | 4032 | "buffer\n"); |
858c9f6c | 4033 | goto debug_failed; |
a58cbd52 JS |
4034 | } |
4035 | atomic_set(&vport->disc_trc_cnt, 0); | |
858c9f6c JS |
4036 | |
4037 | snprintf(name, sizeof(name), "discovery_trace"); | |
4038 | vport->debug_disc_trc = | |
4039 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4040 | vport->vport_debugfs_root, | |
4041 | vport, &lpfc_debugfs_op_disc_trc); | |
4042 | if (!vport->debug_disc_trc) { | |
e8b62011 | 4043 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 4044 | "0419 Cannot create debugfs " |
e8b62011 | 4045 | "discovery_trace\n"); |
858c9f6c JS |
4046 | goto debug_failed; |
4047 | } | |
4048 | snprintf(name, sizeof(name), "nodelist"); | |
4049 | vport->debug_nodelist = | |
4050 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4051 | vport->vport_debugfs_root, | |
4052 | vport, &lpfc_debugfs_op_nodelist); | |
4053 | if (!vport->debug_nodelist) { | |
e8b62011 | 4054 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
b76f2dc9 | 4055 | "2985 Can't create debugfs nodelist\n"); |
858c9f6c JS |
4056 | goto debug_failed; |
4057 | } | |
2a622bfb JS |
4058 | |
4059 | /* | |
4060 | * iDiag debugfs root entry points for SLI4 device only | |
4061 | */ | |
4062 | if (phba->sli_rev < LPFC_SLI_REV4) | |
4063 | goto debug_failed; | |
4064 | ||
4065 | snprintf(name, sizeof(name), "iDiag"); | |
4066 | if (!phba->idiag_root) { | |
4067 | phba->idiag_root = | |
4068 | debugfs_create_dir(name, phba->hba_debugfs_root); | |
4069 | if (!phba->idiag_root) { | |
4070 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4071 | "2922 Can't create idiag debugfs\n"); | |
4072 | goto debug_failed; | |
4073 | } | |
4074 | /* Initialize iDiag data structure */ | |
4075 | memset(&idiag, 0, sizeof(idiag)); | |
4076 | } | |
4077 | ||
4078 | /* iDiag read PCI config space */ | |
4079 | snprintf(name, sizeof(name), "pciCfg"); | |
4080 | if (!phba->idiag_pci_cfg) { | |
4081 | phba->idiag_pci_cfg = | |
4082 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4083 | phba->idiag_root, phba, &lpfc_idiag_op_pciCfg); | |
4084 | if (!phba->idiag_pci_cfg) { | |
4085 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4086 | "2923 Can't create idiag debugfs\n"); | |
4087 | goto debug_failed; | |
4088 | } | |
4089 | idiag.offset.last_rd = 0; | |
4090 | } | |
4091 | ||
b76f2dc9 JS |
4092 | /* iDiag PCI BAR access */ |
4093 | snprintf(name, sizeof(name), "barAcc"); | |
4094 | if (!phba->idiag_bar_acc) { | |
4095 | phba->idiag_bar_acc = | |
4096 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4097 | phba->idiag_root, phba, &lpfc_idiag_op_barAcc); | |
4098 | if (!phba->idiag_bar_acc) { | |
4099 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4100 | "3056 Can't create idiag debugfs\n"); | |
4101 | goto debug_failed; | |
4102 | } | |
4103 | idiag.offset.last_rd = 0; | |
4104 | } | |
4105 | ||
2a622bfb JS |
4106 | /* iDiag get PCI function queue information */ |
4107 | snprintf(name, sizeof(name), "queInfo"); | |
4108 | if (!phba->idiag_que_info) { | |
4109 | phba->idiag_que_info = | |
4110 | debugfs_create_file(name, S_IFREG|S_IRUGO, | |
4111 | phba->idiag_root, phba, &lpfc_idiag_op_queInfo); | |
4112 | if (!phba->idiag_que_info) { | |
4113 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4114 | "2924 Can't create idiag debugfs\n"); | |
4115 | goto debug_failed; | |
4116 | } | |
4117 | } | |
4118 | ||
86a80846 JS |
4119 | /* iDiag access PCI function queue */ |
4120 | snprintf(name, sizeof(name), "queAcc"); | |
4121 | if (!phba->idiag_que_acc) { | |
4122 | phba->idiag_que_acc = | |
4123 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4124 | phba->idiag_root, phba, &lpfc_idiag_op_queAcc); | |
4125 | if (!phba->idiag_que_acc) { | |
4126 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4127 | "2926 Can't create idiag debugfs\n"); | |
4128 | goto debug_failed; | |
4129 | } | |
4130 | } | |
4131 | ||
4132 | /* iDiag access PCI function doorbell registers */ | |
4133 | snprintf(name, sizeof(name), "drbAcc"); | |
4134 | if (!phba->idiag_drb_acc) { | |
4135 | phba->idiag_drb_acc = | |
4136 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4137 | phba->idiag_root, phba, &lpfc_idiag_op_drbAcc); | |
4138 | if (!phba->idiag_drb_acc) { | |
4139 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4140 | "2927 Can't create idiag debugfs\n"); | |
4141 | goto debug_failed; | |
4142 | } | |
4143 | } | |
4144 | ||
b76f2dc9 JS |
4145 | /* iDiag access PCI function control registers */ |
4146 | snprintf(name, sizeof(name), "ctlAcc"); | |
4147 | if (!phba->idiag_ctl_acc) { | |
4148 | phba->idiag_ctl_acc = | |
4149 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4150 | phba->idiag_root, phba, &lpfc_idiag_op_ctlAcc); | |
4151 | if (!phba->idiag_ctl_acc) { | |
4152 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4153 | "2981 Can't create idiag debugfs\n"); | |
4154 | goto debug_failed; | |
4155 | } | |
4156 | } | |
4157 | ||
4158 | /* iDiag access mbox commands */ | |
4159 | snprintf(name, sizeof(name), "mbxAcc"); | |
4160 | if (!phba->idiag_mbx_acc) { | |
4161 | phba->idiag_mbx_acc = | |
4162 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
4163 | phba->idiag_root, phba, &lpfc_idiag_op_mbxAcc); | |
4164 | if (!phba->idiag_mbx_acc) { | |
4165 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4166 | "2980 Can't create idiag debugfs\n"); | |
4167 | goto debug_failed; | |
4168 | } | |
4169 | } | |
4170 | ||
4171 | /* iDiag extents access commands */ | |
4172 | if (phba->sli4_hba.extents_in_use) { | |
4173 | snprintf(name, sizeof(name), "extAcc"); | |
4174 | if (!phba->idiag_ext_acc) { | |
4175 | phba->idiag_ext_acc = | |
4176 | debugfs_create_file(name, | |
4177 | S_IFREG|S_IRUGO|S_IWUSR, | |
4178 | phba->idiag_root, phba, | |
4179 | &lpfc_idiag_op_extAcc); | |
4180 | if (!phba->idiag_ext_acc) { | |
4181 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4182 | "2986 Cant create " | |
4183 | "idiag debugfs\n"); | |
4184 | goto debug_failed; | |
4185 | } | |
4186 | } | |
4187 | } | |
4188 | ||
858c9f6c JS |
4189 | debug_failed: |
4190 | return; | |
4191 | #endif | |
4192 | } | |
4193 | ||
e59058c4 | 4194 | /** |
3621a710 | 4195 | * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport |
e59058c4 JS |
4196 | * @vport: The vport pointer to remove from debugfs. |
4197 | * | |
4198 | * Description: | |
4199 | * When Debugfs is configured this routine removes debugfs file system elements | |
4200 | * that are specific to this vport. It also checks to see if there are any | |
4201 | * users left for the debugfs directories associated with the HBA and driver. If | |
4202 | * this is the last user of the HBA directory or driver directory then it will | |
4203 | * remove those from the debugfs infrastructure as well. | |
4204 | **/ | |
858c9f6c JS |
4205 | inline void |
4206 | lpfc_debugfs_terminate(struct lpfc_vport *vport) | |
4207 | { | |
923e4b6a | 4208 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
858c9f6c JS |
4209 | struct lpfc_hba *phba = vport->phba; |
4210 | ||
4211 | if (vport->disc_trc) { | |
4212 | kfree(vport->disc_trc); | |
4213 | vport->disc_trc = NULL; | |
4214 | } | |
4215 | if (vport->debug_disc_trc) { | |
4216 | debugfs_remove(vport->debug_disc_trc); /* discovery_trace */ | |
4217 | vport->debug_disc_trc = NULL; | |
4218 | } | |
4219 | if (vport->debug_nodelist) { | |
4220 | debugfs_remove(vport->debug_nodelist); /* nodelist */ | |
4221 | vport->debug_nodelist = NULL; | |
4222 | } | |
4223 | if (vport->vport_debugfs_root) { | |
4224 | debugfs_remove(vport->vport_debugfs_root); /* vportX */ | |
4225 | vport->vport_debugfs_root = NULL; | |
4226 | atomic_dec(&phba->debugfs_vport_count); | |
4227 | } | |
4228 | if (atomic_read(&phba->debugfs_vport_count) == 0) { | |
a58cbd52 | 4229 | |
78b2d852 JS |
4230 | if (phba->debug_hbqinfo) { |
4231 | debugfs_remove(phba->debug_hbqinfo); /* hbqinfo */ | |
4232 | phba->debug_hbqinfo = NULL; | |
4233 | } | |
c95d6c6c JS |
4234 | if (phba->debug_dumpHBASlim) { |
4235 | debugfs_remove(phba->debug_dumpHBASlim); /* HBASlim */ | |
4236 | phba->debug_dumpHBASlim = NULL; | |
4237 | } | |
4238 | if (phba->debug_dumpHostSlim) { | |
4239 | debugfs_remove(phba->debug_dumpHostSlim); /* HostSlim */ | |
4240 | phba->debug_dumpHostSlim = NULL; | |
a58cbd52 | 4241 | } |
e2a0a9d6 JS |
4242 | if (phba->debug_dumpData) { |
4243 | debugfs_remove(phba->debug_dumpData); /* dumpData */ | |
4244 | phba->debug_dumpData = NULL; | |
4245 | } | |
4246 | ||
4247 | if (phba->debug_dumpDif) { | |
4248 | debugfs_remove(phba->debug_dumpDif); /* dumpDif */ | |
4249 | phba->debug_dumpDif = NULL; | |
4250 | } | |
f9bb2da1 JS |
4251 | if (phba->debug_InjErrLBA) { |
4252 | debugfs_remove(phba->debug_InjErrLBA); /* InjErrLBA */ | |
4253 | phba->debug_InjErrLBA = NULL; | |
4254 | } | |
4255 | if (phba->debug_writeGuard) { | |
4256 | debugfs_remove(phba->debug_writeGuard); /* writeGuard */ | |
4257 | phba->debug_writeGuard = NULL; | |
4258 | } | |
4259 | if (phba->debug_writeApp) { | |
4260 | debugfs_remove(phba->debug_writeApp); /* writeApp */ | |
4261 | phba->debug_writeApp = NULL; | |
4262 | } | |
4263 | if (phba->debug_writeRef) { | |
4264 | debugfs_remove(phba->debug_writeRef); /* writeRef */ | |
4265 | phba->debug_writeRef = NULL; | |
4266 | } | |
4267 | if (phba->debug_readApp) { | |
4268 | debugfs_remove(phba->debug_readApp); /* readApp */ | |
4269 | phba->debug_readApp = NULL; | |
4270 | } | |
4271 | if (phba->debug_readRef) { | |
4272 | debugfs_remove(phba->debug_readRef); /* readRef */ | |
4273 | phba->debug_readRef = NULL; | |
4274 | } | |
e2a0a9d6 | 4275 | |
a58cbd52 JS |
4276 | if (phba->slow_ring_trc) { |
4277 | kfree(phba->slow_ring_trc); | |
4278 | phba->slow_ring_trc = NULL; | |
4279 | } | |
4280 | if (phba->debug_slow_ring_trc) { | |
4281 | /* slow_ring_trace */ | |
4282 | debugfs_remove(phba->debug_slow_ring_trc); | |
4283 | phba->debug_slow_ring_trc = NULL; | |
4284 | } | |
4285 | ||
2a622bfb JS |
4286 | /* |
4287 | * iDiag release | |
4288 | */ | |
4289 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
b76f2dc9 JS |
4290 | if (phba->idiag_ext_acc) { |
4291 | /* iDiag extAcc */ | |
4292 | debugfs_remove(phba->idiag_ext_acc); | |
4293 | phba->idiag_ext_acc = NULL; | |
4294 | } | |
4295 | if (phba->idiag_mbx_acc) { | |
4296 | /* iDiag mbxAcc */ | |
4297 | debugfs_remove(phba->idiag_mbx_acc); | |
4298 | phba->idiag_mbx_acc = NULL; | |
4299 | } | |
4300 | if (phba->idiag_ctl_acc) { | |
4301 | /* iDiag ctlAcc */ | |
4302 | debugfs_remove(phba->idiag_ctl_acc); | |
4303 | phba->idiag_ctl_acc = NULL; | |
4304 | } | |
86a80846 JS |
4305 | if (phba->idiag_drb_acc) { |
4306 | /* iDiag drbAcc */ | |
4307 | debugfs_remove(phba->idiag_drb_acc); | |
4308 | phba->idiag_drb_acc = NULL; | |
4309 | } | |
4310 | if (phba->idiag_que_acc) { | |
4311 | /* iDiag queAcc */ | |
4312 | debugfs_remove(phba->idiag_que_acc); | |
4313 | phba->idiag_que_acc = NULL; | |
4314 | } | |
2a622bfb JS |
4315 | if (phba->idiag_que_info) { |
4316 | /* iDiag queInfo */ | |
4317 | debugfs_remove(phba->idiag_que_info); | |
4318 | phba->idiag_que_info = NULL; | |
4319 | } | |
b76f2dc9 JS |
4320 | if (phba->idiag_bar_acc) { |
4321 | /* iDiag barAcc */ | |
4322 | debugfs_remove(phba->idiag_bar_acc); | |
4323 | phba->idiag_bar_acc = NULL; | |
4324 | } | |
2a622bfb JS |
4325 | if (phba->idiag_pci_cfg) { |
4326 | /* iDiag pciCfg */ | |
4327 | debugfs_remove(phba->idiag_pci_cfg); | |
4328 | phba->idiag_pci_cfg = NULL; | |
4329 | } | |
4330 | ||
4331 | /* Finally remove the iDiag debugfs root */ | |
4332 | if (phba->idiag_root) { | |
4333 | /* iDiag root */ | |
4334 | debugfs_remove(phba->idiag_root); | |
4335 | phba->idiag_root = NULL; | |
4336 | } | |
4337 | } | |
4338 | ||
a58cbd52 | 4339 | if (phba->hba_debugfs_root) { |
2a622bfb | 4340 | debugfs_remove(phba->hba_debugfs_root); /* fnX */ |
a58cbd52 JS |
4341 | phba->hba_debugfs_root = NULL; |
4342 | atomic_dec(&lpfc_debugfs_hba_count); | |
4343 | } | |
4344 | ||
858c9f6c JS |
4345 | if (atomic_read(&lpfc_debugfs_hba_count) == 0) { |
4346 | debugfs_remove(lpfc_debugfs_root); /* lpfc */ | |
4347 | lpfc_debugfs_root = NULL; | |
4348 | } | |
4349 | } | |
4350 | #endif | |
a58cbd52 | 4351 | return; |
858c9f6c | 4352 | } |