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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. * | |
d080abe0 JS |
4 | * Copyright (C) 2017 Broadcom. All Rights Reserved. The term * |
5 | * “Broadcom” refers to Broadcom Limited and/or its subsidiaries. * | |
f25e8e79 | 6 | * Copyright (C) 2007-2015 Emulex. All rights reserved. * |
858c9f6c | 7 | * EMULEX and SLI are trademarks of Emulex. * |
d080abe0 | 8 | * www.broadcom.com * |
858c9f6c JS |
9 | * * |
10 | * This program is free software; you can redistribute it and/or * | |
11 | * modify it under the terms of version 2 of the GNU General * | |
12 | * Public License as published by the Free Software Foundation. * | |
13 | * This program is distributed in the hope that it will be useful. * | |
14 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
15 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
16 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
17 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
18 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
19 | * more details, a copy of which can be found in the file COPYING * | |
20 | * included with this package. * | |
21 | *******************************************************************/ | |
22 | ||
23 | #include <linux/blkdev.h> | |
24 | #include <linux/delay.h> | |
acf3368f | 25 | #include <linux/module.h> |
858c9f6c JS |
26 | #include <linux/dma-mapping.h> |
27 | #include <linux/idr.h> | |
28 | #include <linux/interrupt.h> | |
29 | #include <linux/kthread.h> | |
5a0e3ad6 | 30 | #include <linux/slab.h> |
858c9f6c JS |
31 | #include <linux/pci.h> |
32 | #include <linux/spinlock.h> | |
33 | #include <linux/ctype.h> | |
858c9f6c JS |
34 | |
35 | #include <scsi/scsi.h> | |
36 | #include <scsi/scsi_device.h> | |
37 | #include <scsi/scsi_host.h> | |
38 | #include <scsi/scsi_transport_fc.h> | |
bd2cdd5e JS |
39 | #include <scsi/fc/fc_fs.h> |
40 | ||
41 | #include <linux/nvme-fc-driver.h> | |
858c9f6c | 42 | |
da0436e9 | 43 | #include "lpfc_hw4.h" |
858c9f6c JS |
44 | #include "lpfc_hw.h" |
45 | #include "lpfc_sli.h" | |
da0436e9 | 46 | #include "lpfc_sli4.h" |
ea2151b4 | 47 | #include "lpfc_nl.h" |
858c9f6c | 48 | #include "lpfc_disc.h" |
858c9f6c | 49 | #include "lpfc.h" |
bd2cdd5e JS |
50 | #include "lpfc_scsi.h" |
51 | #include "lpfc_nvme.h" | |
2b65e182 | 52 | #include "lpfc_nvmet.h" |
858c9f6c JS |
53 | #include "lpfc_logmsg.h" |
54 | #include "lpfc_crtn.h" | |
55 | #include "lpfc_vport.h" | |
56 | #include "lpfc_version.h" | |
c95d6c6c | 57 | #include "lpfc_compat.h" |
858c9f6c | 58 | #include "lpfc_debugfs.h" |
b76f2dc9 | 59 | #include "lpfc_bsg.h" |
858c9f6c | 60 | |
923e4b6a | 61 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
3621a710 | 62 | /* |
e59058c4 | 63 | * debugfs interface |
858c9f6c JS |
64 | * |
65 | * To access this interface the user should: | |
156f5a78 | 66 | * # mount -t debugfs none /sys/kernel/debug |
858c9f6c | 67 | * |
e59058c4 | 68 | * The lpfc debugfs directory hierarchy is: |
2a622bfb JS |
69 | * /sys/kernel/debug/lpfc/fnX/vportY |
70 | * where X is the lpfc hba function unique_id | |
858c9f6c JS |
71 | * where Y is the vport VPI on that hba |
72 | * | |
73 | * Debugging services available per vport: | |
74 | * discovery_trace | |
75 | * This is an ACSII readable file that contains a trace of the last | |
76 | * lpfc_debugfs_max_disc_trc events that happened on a specific vport. | |
e59058c4 JS |
77 | * See lpfc_debugfs.h for different categories of discovery events. |
78 | * To enable the discovery trace, the following module parameters must be set: | |
858c9f6c JS |
79 | * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support |
80 | * lpfc_debugfs_max_disc_trc=X Where X is the event trace depth for | |
81 | * EACH vport. X MUST also be a power of 2. | |
82 | * lpfc_debugfs_mask_disc_trc=Y Where Y is an event mask as defined in | |
83 | * lpfc_debugfs.h . | |
e59058c4 JS |
84 | * |
85 | * slow_ring_trace | |
86 | * This is an ACSII readable file that contains a trace of the last | |
87 | * lpfc_debugfs_max_slow_ring_trc events that happened on a specific HBA. | |
88 | * To enable the slow ring trace, the following module parameters must be set: | |
89 | * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support | |
90 | * lpfc_debugfs_max_slow_ring_trc=X Where X is the event trace depth for | |
91 | * the HBA. X MUST also be a power of 2. | |
858c9f6c | 92 | */ |
51ef4c26 | 93 | static int lpfc_debugfs_enable = 1; |
ab56dc2e | 94 | module_param(lpfc_debugfs_enable, int, S_IRUGO); |
858c9f6c JS |
95 | MODULE_PARM_DESC(lpfc_debugfs_enable, "Enable debugfs services"); |
96 | ||
a58cbd52 | 97 | /* This MUST be a power of 2 */ |
c95d6c6c | 98 | static int lpfc_debugfs_max_disc_trc; |
ab56dc2e | 99 | module_param(lpfc_debugfs_max_disc_trc, int, S_IRUGO); |
858c9f6c JS |
100 | MODULE_PARM_DESC(lpfc_debugfs_max_disc_trc, |
101 | "Set debugfs discovery trace depth"); | |
102 | ||
a58cbd52 | 103 | /* This MUST be a power of 2 */ |
c95d6c6c | 104 | static int lpfc_debugfs_max_slow_ring_trc; |
ab56dc2e | 105 | module_param(lpfc_debugfs_max_slow_ring_trc, int, S_IRUGO); |
a58cbd52 JS |
106 | MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc, |
107 | "Set debugfs slow ring trace depth"); | |
108 | ||
bd2cdd5e JS |
109 | /* This MUST be a power of 2 */ |
110 | static int lpfc_debugfs_max_nvmeio_trc; | |
111 | module_param(lpfc_debugfs_max_nvmeio_trc, int, 0444); | |
112 | MODULE_PARM_DESC(lpfc_debugfs_max_nvmeio_trc, | |
113 | "Set debugfs NVME IO trace depth"); | |
114 | ||
a257bf90 | 115 | static int lpfc_debugfs_mask_disc_trc; |
ab56dc2e | 116 | module_param(lpfc_debugfs_mask_disc_trc, int, S_IRUGO); |
858c9f6c JS |
117 | MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc, |
118 | "Set debugfs discovery trace mask"); | |
119 | ||
120 | #include <linux/debugfs.h> | |
121 | ||
311464ec JS |
122 | static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); |
123 | static unsigned long lpfc_debugfs_start_time = 0L; | |
858c9f6c | 124 | |
2a622bfb JS |
125 | /* iDiag */ |
126 | static struct lpfc_idiag idiag; | |
127 | ||
e59058c4 | 128 | /** |
3621a710 | 129 | * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer |
e59058c4 JS |
130 | * @vport: The vport to gather the log info from. |
131 | * @buf: The buffer to dump log into. | |
132 | * @size: The maximum amount of data to process. | |
133 | * | |
134 | * Description: | |
135 | * This routine gathers the lpfc discovery debugfs data from the @vport and | |
136 | * dumps it to @buf up to @size number of bytes. It will start at the next entry | |
137 | * in the log and process the log until the end of the buffer. Then it will | |
138 | * gather from the beginning of the log and process until the current entry. | |
139 | * | |
140 | * Notes: | |
141 | * Discovery logging will be disabled while while this routine dumps the log. | |
142 | * | |
143 | * Return Value: | |
144 | * This routine returns the amount of bytes that were dumped into @buf and will | |
145 | * not exceed @size. | |
146 | **/ | |
858c9f6c JS |
147 | static int |
148 | lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size) | |
149 | { | |
150 | int i, index, len, enable; | |
151 | uint32_t ms; | |
a58cbd52 | 152 | struct lpfc_debugfs_trc *dtp; |
b76f2dc9 JS |
153 | char *buffer; |
154 | ||
155 | buffer = kmalloc(LPFC_DEBUG_TRC_ENTRY_SIZE, GFP_KERNEL); | |
156 | if (!buffer) | |
157 | return 0; | |
858c9f6c | 158 | |
858c9f6c JS |
159 | enable = lpfc_debugfs_enable; |
160 | lpfc_debugfs_enable = 0; | |
161 | ||
162 | len = 0; | |
163 | index = (atomic_read(&vport->disc_trc_cnt) + 1) & | |
164 | (lpfc_debugfs_max_disc_trc - 1); | |
165 | for (i = index; i < lpfc_debugfs_max_disc_trc; i++) { | |
166 | dtp = vport->disc_trc + i; | |
167 | if (!dtp->fmt) | |
168 | continue; | |
169 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); | |
a58cbd52 JS |
170 | snprintf(buffer, |
171 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", | |
858c9f6c JS |
172 | dtp->seq_cnt, ms, dtp->fmt); |
173 | len += snprintf(buf+len, size-len, buffer, | |
174 | dtp->data1, dtp->data2, dtp->data3); | |
175 | } | |
176 | for (i = 0; i < index; i++) { | |
177 | dtp = vport->disc_trc + i; | |
178 | if (!dtp->fmt) | |
179 | continue; | |
180 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); | |
a58cbd52 JS |
181 | snprintf(buffer, |
182 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", | |
183 | dtp->seq_cnt, ms, dtp->fmt); | |
184 | len += snprintf(buf+len, size-len, buffer, | |
185 | dtp->data1, dtp->data2, dtp->data3); | |
186 | } | |
187 | ||
188 | lpfc_debugfs_enable = enable; | |
b76f2dc9 JS |
189 | kfree(buffer); |
190 | ||
a58cbd52 JS |
191 | return len; |
192 | } | |
193 | ||
e59058c4 | 194 | /** |
3621a710 | 195 | * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer |
e59058c4 JS |
196 | * @phba: The HBA to gather the log info from. |
197 | * @buf: The buffer to dump log into. | |
198 | * @size: The maximum amount of data to process. | |
199 | * | |
200 | * Description: | |
201 | * This routine gathers the lpfc slow ring debugfs data from the @phba and | |
202 | * dumps it to @buf up to @size number of bytes. It will start at the next entry | |
203 | * in the log and process the log until the end of the buffer. Then it will | |
204 | * gather from the beginning of the log and process until the current entry. | |
205 | * | |
206 | * Notes: | |
207 | * Slow ring logging will be disabled while while this routine dumps the log. | |
208 | * | |
209 | * Return Value: | |
210 | * This routine returns the amount of bytes that were dumped into @buf and will | |
211 | * not exceed @size. | |
212 | **/ | |
a58cbd52 JS |
213 | static int |
214 | lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size) | |
215 | { | |
216 | int i, index, len, enable; | |
217 | uint32_t ms; | |
218 | struct lpfc_debugfs_trc *dtp; | |
b76f2dc9 | 219 | char *buffer; |
a58cbd52 | 220 | |
b76f2dc9 JS |
221 | buffer = kmalloc(LPFC_DEBUG_TRC_ENTRY_SIZE, GFP_KERNEL); |
222 | if (!buffer) | |
223 | return 0; | |
a58cbd52 JS |
224 | |
225 | enable = lpfc_debugfs_enable; | |
226 | lpfc_debugfs_enable = 0; | |
227 | ||
228 | len = 0; | |
229 | index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) & | |
230 | (lpfc_debugfs_max_slow_ring_trc - 1); | |
231 | for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) { | |
232 | dtp = phba->slow_ring_trc + i; | |
233 | if (!dtp->fmt) | |
234 | continue; | |
235 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); | |
236 | snprintf(buffer, | |
237 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", | |
238 | dtp->seq_cnt, ms, dtp->fmt); | |
239 | len += snprintf(buf+len, size-len, buffer, | |
240 | dtp->data1, dtp->data2, dtp->data3); | |
241 | } | |
242 | for (i = 0; i < index; i++) { | |
243 | dtp = phba->slow_ring_trc + i; | |
244 | if (!dtp->fmt) | |
245 | continue; | |
246 | ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time); | |
247 | snprintf(buffer, | |
248 | LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n", | |
858c9f6c JS |
249 | dtp->seq_cnt, ms, dtp->fmt); |
250 | len += snprintf(buf+len, size-len, buffer, | |
251 | dtp->data1, dtp->data2, dtp->data3); | |
252 | } | |
253 | ||
254 | lpfc_debugfs_enable = enable; | |
b76f2dc9 JS |
255 | kfree(buffer); |
256 | ||
858c9f6c JS |
257 | return len; |
258 | } | |
259 | ||
311464ec | 260 | static int lpfc_debugfs_last_hbq = -1; |
78b2d852 | 261 | |
e59058c4 | 262 | /** |
3621a710 | 263 | * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer |
e59058c4 JS |
264 | * @phba: The HBA to gather host buffer info from. |
265 | * @buf: The buffer to dump log into. | |
266 | * @size: The maximum amount of data to process. | |
267 | * | |
268 | * Description: | |
269 | * This routine dumps the host buffer queue info from the @phba to @buf up to | |
270 | * @size number of bytes. A header that describes the current hbq state will be | |
271 | * dumped to @buf first and then info on each hbq entry will be dumped to @buf | |
272 | * until @size bytes have been dumped or all the hbq info has been dumped. | |
273 | * | |
274 | * Notes: | |
275 | * This routine will rotate through each configured HBQ each time called. | |
276 | * | |
277 | * Return Value: | |
278 | * This routine returns the amount of bytes that were dumped into @buf and will | |
279 | * not exceed @size. | |
280 | **/ | |
78b2d852 JS |
281 | static int |
282 | lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size) | |
283 | { | |
284 | int len = 0; | |
eb016566 | 285 | int i, j, found, posted, low; |
78b2d852 JS |
286 | uint32_t phys, raw_index, getidx; |
287 | struct lpfc_hbq_init *hip; | |
288 | struct hbq_s *hbqs; | |
289 | struct lpfc_hbq_entry *hbqe; | |
290 | struct lpfc_dmabuf *d_buf; | |
291 | struct hbq_dmabuf *hbq_buf; | |
292 | ||
3772a991 JS |
293 | if (phba->sli_rev != 3) |
294 | return 0; | |
eb016566 | 295 | |
78b2d852 JS |
296 | spin_lock_irq(&phba->hbalock); |
297 | ||
298 | /* toggle between multiple hbqs, if any */ | |
299 | i = lpfc_sli_hbq_count(); | |
300 | if (i > 1) { | |
301 | lpfc_debugfs_last_hbq++; | |
302 | if (lpfc_debugfs_last_hbq >= i) | |
303 | lpfc_debugfs_last_hbq = 0; | |
304 | } | |
305 | else | |
306 | lpfc_debugfs_last_hbq = 0; | |
307 | ||
308 | i = lpfc_debugfs_last_hbq; | |
309 | ||
310 | len += snprintf(buf+len, size-len, "HBQ %d Info\n", i); | |
311 | ||
51ef4c26 | 312 | hbqs = &phba->hbqs[i]; |
78b2d852 | 313 | posted = 0; |
51ef4c26 | 314 | list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) |
78b2d852 JS |
315 | posted++; |
316 | ||
317 | hip = lpfc_hbq_defs[i]; | |
318 | len += snprintf(buf+len, size-len, | |
319 | "idx:%d prof:%d rn:%d bufcnt:%d icnt:%d acnt:%d posted %d\n", | |
320 | hip->hbq_index, hip->profile, hip->rn, | |
321 | hip->buffer_count, hip->init_count, hip->add_count, posted); | |
322 | ||
78b2d852 JS |
323 | raw_index = phba->hbq_get[i]; |
324 | getidx = le32_to_cpu(raw_index); | |
325 | len += snprintf(buf+len, size-len, | |
a8adb832 JS |
326 | "entrys:%d bufcnt:%d Put:%d nPut:%d localGet:%d hbaGet:%d\n", |
327 | hbqs->entry_count, hbqs->buffer_count, hbqs->hbqPutIdx, | |
328 | hbqs->next_hbqPutIdx, hbqs->local_hbqGetIdx, getidx); | |
78b2d852 | 329 | |
51ef4c26 | 330 | hbqe = (struct lpfc_hbq_entry *) phba->hbqs[i].hbq_virt; |
78b2d852 JS |
331 | for (j=0; j<hbqs->entry_count; j++) { |
332 | len += snprintf(buf+len, size-len, | |
333 | "%03d: %08x %04x %05x ", j, | |
a8adb832 JS |
334 | le32_to_cpu(hbqe->bde.addrLow), |
335 | le32_to_cpu(hbqe->bde.tus.w), | |
336 | le32_to_cpu(hbqe->buffer_tag)); | |
78b2d852 JS |
337 | i = 0; |
338 | found = 0; | |
339 | ||
340 | /* First calculate if slot has an associated posted buffer */ | |
341 | low = hbqs->hbqPutIdx - posted; | |
342 | if (low >= 0) { | |
343 | if ((j >= hbqs->hbqPutIdx) || (j < low)) { | |
344 | len += snprintf(buf+len, size-len, "Unused\n"); | |
345 | goto skipit; | |
346 | } | |
347 | } | |
348 | else { | |
349 | if ((j >= hbqs->hbqPutIdx) && | |
350 | (j < (hbqs->entry_count+low))) { | |
351 | len += snprintf(buf+len, size-len, "Unused\n"); | |
352 | goto skipit; | |
353 | } | |
354 | } | |
355 | ||
356 | /* Get the Buffer info for the posted buffer */ | |
51ef4c26 | 357 | list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) { |
78b2d852 JS |
358 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
359 | phys = ((uint64_t)hbq_buf->dbuf.phys & 0xffffffff); | |
a8adb832 | 360 | if (phys == le32_to_cpu(hbqe->bde.addrLow)) { |
78b2d852 JS |
361 | len += snprintf(buf+len, size-len, |
362 | "Buf%d: %p %06x\n", i, | |
363 | hbq_buf->dbuf.virt, hbq_buf->tag); | |
364 | found = 1; | |
365 | break; | |
366 | } | |
367 | i++; | |
368 | } | |
369 | if (!found) { | |
370 | len += snprintf(buf+len, size-len, "No DMAinfo?\n"); | |
371 | } | |
372 | skipit: | |
373 | hbqe++; | |
374 | if (len > LPFC_HBQINFO_SIZE - 54) | |
375 | break; | |
376 | } | |
377 | spin_unlock_irq(&phba->hbalock); | |
378 | return len; | |
379 | } | |
380 | ||
c95d6c6c JS |
381 | static int lpfc_debugfs_last_hba_slim_off; |
382 | ||
e59058c4 | 383 | /** |
3621a710 | 384 | * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer |
e59058c4 JS |
385 | * @phba: The HBA to gather SLIM info from. |
386 | * @buf: The buffer to dump log into. | |
387 | * @size: The maximum amount of data to process. | |
388 | * | |
389 | * Description: | |
390 | * This routine dumps the current contents of HBA SLIM for the HBA associated | |
391 | * with @phba to @buf up to @size bytes of data. This is the raw HBA SLIM data. | |
392 | * | |
393 | * Notes: | |
394 | * This routine will only dump up to 1024 bytes of data each time called and | |
395 | * should be called multiple times to dump the entire HBA SLIM. | |
396 | * | |
397 | * Return Value: | |
398 | * This routine returns the amount of bytes that were dumped into @buf and will | |
399 | * not exceed @size. | |
400 | **/ | |
c95d6c6c JS |
401 | static int |
402 | lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size) | |
403 | { | |
404 | int len = 0; | |
405 | int i, off; | |
406 | uint32_t *ptr; | |
b76f2dc9 JS |
407 | char *buffer; |
408 | ||
409 | buffer = kmalloc(1024, GFP_KERNEL); | |
410 | if (!buffer) | |
411 | return 0; | |
c95d6c6c JS |
412 | |
413 | off = 0; | |
414 | spin_lock_irq(&phba->hbalock); | |
415 | ||
416 | len += snprintf(buf+len, size-len, "HBA SLIM\n"); | |
417 | lpfc_memcpy_from_slim(buffer, | |
a257bf90 | 418 | phba->MBslimaddr + lpfc_debugfs_last_hba_slim_off, 1024); |
c95d6c6c JS |
419 | |
420 | ptr = (uint32_t *)&buffer[0]; | |
421 | off = lpfc_debugfs_last_hba_slim_off; | |
422 | ||
423 | /* Set it up for the next time */ | |
424 | lpfc_debugfs_last_hba_slim_off += 1024; | |
425 | if (lpfc_debugfs_last_hba_slim_off >= 4096) | |
426 | lpfc_debugfs_last_hba_slim_off = 0; | |
427 | ||
428 | i = 1024; | |
429 | while (i > 0) { | |
430 | len += snprintf(buf+len, size-len, | |
431 | "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", | |
432 | off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), | |
433 | *(ptr+5), *(ptr+6), *(ptr+7)); | |
434 | ptr += 8; | |
435 | i -= (8 * sizeof(uint32_t)); | |
436 | off += (8 * sizeof(uint32_t)); | |
437 | } | |
438 | ||
439 | spin_unlock_irq(&phba->hbalock); | |
b76f2dc9 JS |
440 | kfree(buffer); |
441 | ||
c95d6c6c JS |
442 | return len; |
443 | } | |
444 | ||
e59058c4 | 445 | /** |
3621a710 | 446 | * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer |
e59058c4 JS |
447 | * @phba: The HBA to gather Host SLIM info from. |
448 | * @buf: The buffer to dump log into. | |
449 | * @size: The maximum amount of data to process. | |
450 | * | |
451 | * Description: | |
452 | * This routine dumps the current contents of host SLIM for the host associated | |
453 | * with @phba to @buf up to @size bytes of data. The dump will contain the | |
454 | * Mailbox, PCB, Rings, and Registers that are located in host memory. | |
455 | * | |
456 | * Return Value: | |
457 | * This routine returns the amount of bytes that were dumped into @buf and will | |
458 | * not exceed @size. | |
459 | **/ | |
a58cbd52 | 460 | static int |
c95d6c6c | 461 | lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size) |
a58cbd52 JS |
462 | { |
463 | int len = 0; | |
c95d6c6c | 464 | int i, off; |
a58cbd52 JS |
465 | uint32_t word0, word1, word2, word3; |
466 | uint32_t *ptr; | |
467 | struct lpfc_pgp *pgpp; | |
468 | struct lpfc_sli *psli = &phba->sli; | |
469 | struct lpfc_sli_ring *pring; | |
470 | ||
a58cbd52 JS |
471 | off = 0; |
472 | spin_lock_irq(&phba->hbalock); | |
473 | ||
474 | len += snprintf(buf+len, size-len, "SLIM Mailbox\n"); | |
34b02dcd | 475 | ptr = (uint32_t *)phba->slim2p.virt; |
a58cbd52 JS |
476 | i = sizeof(MAILBOX_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 | ||
487 | len += snprintf(buf+len, size-len, "SLIM PCB\n"); | |
34b02dcd | 488 | ptr = (uint32_t *)phba->pcb; |
a58cbd52 JS |
489 | i = sizeof(PCB_t); |
490 | while (i > 0) { | |
491 | len += snprintf(buf+len, size-len, | |
492 | "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", | |
493 | off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), | |
494 | *(ptr+5), *(ptr+6), *(ptr+7)); | |
495 | ptr += 8; | |
496 | i -= (8 * sizeof(uint32_t)); | |
497 | off += (8 * sizeof(uint32_t)); | |
498 | } | |
499 | ||
3772a991 | 500 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
895427bd JS |
501 | for (i = 0; i < 4; i++) { |
502 | pgpp = &phba->port_gp[i]; | |
503 | pring = &psli->sli3_ring[i]; | |
504 | len += snprintf(buf+len, size-len, | |
505 | "Ring %d: CMD GetInx:%d " | |
506 | "(Max:%d Next:%d " | |
507 | "Local:%d flg:x%x) " | |
508 | "RSP PutInx:%d Max:%d\n", | |
509 | i, pgpp->cmdGetInx, | |
510 | pring->sli.sli3.numCiocb, | |
511 | pring->sli.sli3.next_cmdidx, | |
512 | pring->sli.sli3.local_getidx, | |
513 | pring->flag, pgpp->rspPutInx, | |
514 | pring->sli.sli3.numRiocb); | |
515 | } | |
516 | ||
3772a991 JS |
517 | word0 = readl(phba->HAregaddr); |
518 | word1 = readl(phba->CAregaddr); | |
519 | word2 = readl(phba->HSregaddr); | |
520 | word3 = readl(phba->HCregaddr); | |
521 | len += snprintf(buf+len, size-len, "HA:%08x CA:%08x HS:%08x " | |
522 | "HC:%08x\n", word0, word1, word2, word3); | |
523 | } | |
a58cbd52 JS |
524 | spin_unlock_irq(&phba->hbalock); |
525 | return len; | |
526 | } | |
527 | ||
e59058c4 | 528 | /** |
3621a710 | 529 | * lpfc_debugfs_nodelist_data - Dump target node list to a buffer |
e59058c4 JS |
530 | * @vport: The vport to gather target node info from. |
531 | * @buf: The buffer to dump log into. | |
532 | * @size: The maximum amount of data to process. | |
533 | * | |
534 | * Description: | |
535 | * This routine dumps the current target node list associated with @vport to | |
536 | * @buf up to @size bytes of data. Each node entry in the dump will contain a | |
537 | * node state, DID, WWPN, WWNN, RPI, flags, type, and other useful fields. | |
538 | * | |
539 | * Return Value: | |
540 | * This routine returns the amount of bytes that were dumped into @buf and will | |
541 | * not exceed @size. | |
542 | **/ | |
858c9f6c JS |
543 | static int |
544 | lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size) | |
545 | { | |
546 | int len = 0; | |
547 | int cnt; | |
548 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2b65e182 | 549 | struct lpfc_hba *phba = vport->phba; |
858c9f6c | 550 | struct lpfc_nodelist *ndlp; |
2ea259ee | 551 | unsigned char *statep; |
bd2cdd5e JS |
552 | struct nvme_fc_local_port *localport; |
553 | struct lpfc_nvme_lport *lport; | |
554 | struct lpfc_nvme_rport *rport; | |
2b65e182 | 555 | struct lpfc_nvmet_tgtport *tgtp; |
bd2cdd5e | 556 | struct nvme_fc_remote_port *nrport; |
858c9f6c JS |
557 | |
558 | cnt = (LPFC_NODELIST_SIZE / LPFC_NODELIST_ENTRY_SIZE); | |
559 | ||
895427bd | 560 | len += snprintf(buf+len, size-len, "\nFCP Nodelist Entries ...\n"); |
858c9f6c JS |
561 | spin_lock_irq(shost->host_lock); |
562 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
563 | if (!cnt) { | |
564 | len += snprintf(buf+len, size-len, | |
565 | "Missing Nodelist Entries\n"); | |
566 | break; | |
567 | } | |
568 | cnt--; | |
569 | switch (ndlp->nlp_state) { | |
570 | case NLP_STE_UNUSED_NODE: | |
571 | statep = "UNUSED"; | |
572 | break; | |
573 | case NLP_STE_PLOGI_ISSUE: | |
574 | statep = "PLOGI "; | |
575 | break; | |
576 | case NLP_STE_ADISC_ISSUE: | |
577 | statep = "ADISC "; | |
578 | break; | |
579 | case NLP_STE_REG_LOGIN_ISSUE: | |
580 | statep = "REGLOG"; | |
581 | break; | |
582 | case NLP_STE_PRLI_ISSUE: | |
583 | statep = "PRLI "; | |
584 | break; | |
086a345f JS |
585 | case NLP_STE_LOGO_ISSUE: |
586 | statep = "LOGO "; | |
587 | break; | |
858c9f6c JS |
588 | case NLP_STE_UNMAPPED_NODE: |
589 | statep = "UNMAP "; | |
590 | break; | |
591 | case NLP_STE_MAPPED_NODE: | |
592 | statep = "MAPPED"; | |
593 | break; | |
594 | case NLP_STE_NPR_NODE: | |
595 | statep = "NPR "; | |
596 | break; | |
597 | default: | |
598 | statep = "UNKNOWN"; | |
599 | } | |
2ea259ee JS |
600 | len += snprintf(buf+len, size-len, "%s DID:x%06x ", |
601 | statep, ndlp->nlp_DID); | |
602 | len += snprintf(buf+len, size-len, | |
603 | "WWPN x%llx ", | |
604 | wwn_to_u64(ndlp->nlp_portname.u.wwn)); | |
605 | len += snprintf(buf+len, size-len, | |
606 | "WWNN x%llx ", | |
607 | wwn_to_u64(ndlp->nlp_nodename.u.wwn)); | |
086a345f | 608 | if (ndlp->nlp_flag & NLP_RPI_REGISTERED) |
2ea259ee JS |
609 | len += snprintf(buf+len, size-len, "RPI:%03d ", |
610 | ndlp->nlp_rpi); | |
086a345f | 611 | else |
2ea259ee | 612 | len += snprintf(buf+len, size-len, "RPI:none "); |
086a345f JS |
613 | len += snprintf(buf+len, size-len, "flag:x%08x ", |
614 | ndlp->nlp_flag); | |
858c9f6c | 615 | if (!ndlp->nlp_type) |
2ea259ee | 616 | len += snprintf(buf+len, size-len, "UNKNOWN_TYPE "); |
858c9f6c | 617 | if (ndlp->nlp_type & NLP_FC_NODE) |
2ea259ee | 618 | len += snprintf(buf+len, size-len, "FC_NODE "); |
858c9f6c | 619 | if (ndlp->nlp_type & NLP_FABRIC) |
2ea259ee | 620 | len += snprintf(buf+len, size-len, "FABRIC "); |
858c9f6c | 621 | if (ndlp->nlp_type & NLP_FCP_TARGET) |
2ea259ee | 622 | len += snprintf(buf+len, size-len, "FCP_TGT sid:%d ", |
858c9f6c JS |
623 | ndlp->nlp_sid); |
624 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
2ea259ee | 625 | len += snprintf(buf+len, size-len, "FCP_INITIATOR "); |
58da1ffb JS |
626 | len += snprintf(buf+len, size-len, "usgmap:%x ", |
627 | ndlp->nlp_usg_map); | |
a58cbd52 | 628 | len += snprintf(buf+len, size-len, "refcnt:%x", |
2c935bc5 | 629 | kref_read(&ndlp->kref)); |
858c9f6c JS |
630 | len += snprintf(buf+len, size-len, "\n"); |
631 | } | |
632 | spin_unlock_irq(shost->host_lock); | |
2ea259ee | 633 | |
2b65e182 JS |
634 | if (phba->nvmet_support && phba->targetport && (vport == phba->pport)) { |
635 | tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; | |
636 | len += snprintf(buf + len, size - len, | |
637 | "\nNVME Targetport Entry ...\n"); | |
638 | ||
639 | /* Port state is only one of two values for now. */ | |
640 | if (phba->targetport->port_id) | |
641 | statep = "REGISTERED"; | |
642 | else | |
643 | statep = "INIT"; | |
644 | len += snprintf(buf + len, size - len, | |
645 | "TGT WWNN x%llx WWPN x%llx State %s\n", | |
646 | wwn_to_u64(vport->fc_nodename.u.wwn), | |
647 | wwn_to_u64(vport->fc_portname.u.wwn), | |
648 | statep); | |
649 | len += snprintf(buf + len, size - len, | |
650 | " Targetport DID x%06x\n", | |
651 | phba->targetport->port_id); | |
652 | goto out_exit; | |
653 | } | |
654 | ||
bd2cdd5e JS |
655 | len += snprintf(buf + len, size - len, |
656 | "\nNVME Lport/Rport Entries ...\n"); | |
657 | ||
658 | localport = vport->localport; | |
659 | if (!localport) | |
660 | goto out_exit; | |
661 | ||
662 | spin_lock_irq(shost->host_lock); | |
663 | lport = (struct lpfc_nvme_lport *)localport->private; | |
664 | ||
665 | /* Port state is only one of two values for now. */ | |
666 | if (localport->port_id) | |
667 | statep = "ONLINE"; | |
668 | else | |
669 | statep = "UNKNOWN "; | |
670 | ||
671 | len += snprintf(buf + len, size - len, | |
672 | "Lport DID x%06x PortState %s\n", | |
673 | localport->port_id, statep); | |
674 | ||
675 | len += snprintf(buf + len, size - len, "\tRport List:\n"); | |
676 | list_for_each_entry(rport, &lport->rport_list, list) { | |
677 | /* local short-hand pointer. */ | |
678 | nrport = rport->remoteport; | |
679 | ||
680 | /* Port state is only one of two values for now. */ | |
681 | switch (nrport->port_state) { | |
682 | case FC_OBJSTATE_ONLINE: | |
683 | statep = "ONLINE"; | |
684 | break; | |
685 | case FC_OBJSTATE_UNKNOWN: | |
686 | statep = "UNKNOWN "; | |
687 | break; | |
688 | default: | |
689 | statep = "UNSUPPORTED"; | |
690 | break; | |
691 | } | |
692 | ||
693 | /* Tab in to show lport ownership. */ | |
694 | len += snprintf(buf + len, size - len, | |
695 | "\t%s Port ID:x%06x ", | |
696 | statep, nrport->port_id); | |
697 | len += snprintf(buf + len, size - len, "WWPN x%llx ", | |
698 | nrport->port_name); | |
699 | len += snprintf(buf + len, size - len, "WWNN x%llx ", | |
700 | nrport->node_name); | |
701 | switch (nrport->port_role) { | |
702 | case FC_PORT_ROLE_NVME_INITIATOR: | |
703 | len += snprintf(buf + len, size - len, | |
704 | "NVME INITIATOR "); | |
705 | break; | |
706 | case FC_PORT_ROLE_NVME_TARGET: | |
707 | len += snprintf(buf + len, size - len, | |
708 | "NVME TARGET "); | |
709 | break; | |
710 | case FC_PORT_ROLE_NVME_DISCOVERY: | |
711 | len += snprintf(buf + len, size - len, | |
712 | "NVME DISCOVERY "); | |
713 | break; | |
714 | default: | |
715 | len += snprintf(buf + len, size - len, | |
716 | "UNKNOWN ROLE x%x", | |
717 | nrport->port_role); | |
718 | break; | |
719 | } | |
720 | ||
721 | /* Terminate the string. */ | |
722 | len += snprintf(buf + len, size - len, "\n"); | |
723 | } | |
724 | ||
725 | spin_unlock_irq(shost->host_lock); | |
726 | out_exit: | |
727 | return len; | |
728 | } | |
729 | ||
730 | /** | |
731 | * lpfc_debugfs_nvmestat_data - Dump target node list to a buffer | |
732 | * @vport: The vport to gather target node info from. | |
733 | * @buf: The buffer to dump log into. | |
734 | * @size: The maximum amount of data to process. | |
735 | * | |
736 | * Description: | |
737 | * This routine dumps the NVME statistics associated with @vport | |
738 | * | |
739 | * Return Value: | |
740 | * This routine returns the amount of bytes that were dumped into @buf and will | |
741 | * not exceed @size. | |
742 | **/ | |
743 | static int | |
744 | lpfc_debugfs_nvmestat_data(struct lpfc_vport *vport, char *buf, int size) | |
745 | { | |
746 | struct lpfc_hba *phba = vport->phba; | |
2b65e182 | 747 | struct lpfc_nvmet_tgtport *tgtp; |
86c67379 | 748 | struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp; |
bd2cdd5e | 749 | int len = 0; |
86c67379 | 750 | int cnt; |
bd2cdd5e | 751 | |
2b65e182 JS |
752 | if (phba->nvmet_support) { |
753 | if (!phba->targetport) | |
754 | return len; | |
755 | tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; | |
86c67379 | 756 | len += snprintf(buf + len, size - len, |
2b65e182 JS |
757 | "\nNVME Targetport Statistics\n"); |
758 | ||
86c67379 | 759 | len += snprintf(buf + len, size - len, |
2b65e182 JS |
760 | "LS: Rcv %08x Drop %08x Abort %08x\n", |
761 | atomic_read(&tgtp->rcv_ls_req_in), | |
762 | atomic_read(&tgtp->rcv_ls_req_drop), | |
763 | atomic_read(&tgtp->xmt_ls_abort)); | |
764 | if (atomic_read(&tgtp->rcv_ls_req_in) != | |
765 | atomic_read(&tgtp->rcv_ls_req_out)) { | |
86c67379 | 766 | len += snprintf(buf + len, size - len, |
2b65e182 JS |
767 | "Rcv LS: in %08x != out %08x\n", |
768 | atomic_read(&tgtp->rcv_ls_req_in), | |
769 | atomic_read(&tgtp->rcv_ls_req_out)); | |
770 | } | |
771 | ||
86c67379 | 772 | len += snprintf(buf + len, size - len, |
2b65e182 JS |
773 | "LS: Xmt %08x Drop %08x Cmpl %08x Err %08x\n", |
774 | atomic_read(&tgtp->xmt_ls_rsp), | |
775 | atomic_read(&tgtp->xmt_ls_drop), | |
776 | atomic_read(&tgtp->xmt_ls_rsp_cmpl), | |
777 | atomic_read(&tgtp->xmt_ls_rsp_error)); | |
778 | ||
86c67379 | 779 | len += snprintf(buf + len, size - len, |
2b65e182 JS |
780 | "FCP: Rcv %08x Drop %08x\n", |
781 | atomic_read(&tgtp->rcv_fcp_cmd_in), | |
782 | atomic_read(&tgtp->rcv_fcp_cmd_drop)); | |
783 | ||
784 | if (atomic_read(&tgtp->rcv_fcp_cmd_in) != | |
785 | atomic_read(&tgtp->rcv_fcp_cmd_out)) { | |
86c67379 | 786 | len += snprintf(buf + len, size - len, |
2b65e182 JS |
787 | "Rcv FCP: in %08x != out %08x\n", |
788 | atomic_read(&tgtp->rcv_fcp_cmd_in), | |
789 | atomic_read(&tgtp->rcv_fcp_cmd_out)); | |
790 | } | |
791 | ||
86c67379 JS |
792 | len += snprintf(buf + len, size - len, |
793 | "FCP Rsp: read %08x readrsp %08x " | |
794 | "write %08x rsp %08x\n", | |
2b65e182 JS |
795 | atomic_read(&tgtp->xmt_fcp_read), |
796 | atomic_read(&tgtp->xmt_fcp_read_rsp), | |
797 | atomic_read(&tgtp->xmt_fcp_write), | |
798 | atomic_read(&tgtp->xmt_fcp_rsp)); | |
799 | ||
86c67379 | 800 | len += snprintf(buf + len, size - len, |
2b65e182 JS |
801 | "FCP Rsp Cmpl: %08x err %08x drop %08x\n", |
802 | atomic_read(&tgtp->xmt_fcp_rsp_cmpl), | |
803 | atomic_read(&tgtp->xmt_fcp_rsp_error), | |
804 | atomic_read(&tgtp->xmt_fcp_rsp_drop)); | |
805 | ||
86c67379 | 806 | len += snprintf(buf + len, size - len, |
547077a4 JS |
807 | "ABORT: Xmt %08x Cmpl %08x\n", |
808 | atomic_read(&tgtp->xmt_fcp_abort), | |
809 | atomic_read(&tgtp->xmt_fcp_abort_cmpl)); | |
810 | ||
811 | len += snprintf(buf + len, size - len, | |
812 | "ABORT: Sol %08x Usol %08x Err %08x Cmpl %08x", | |
813 | atomic_read(&tgtp->xmt_abort_sol), | |
814 | atomic_read(&tgtp->xmt_abort_unsol), | |
2b65e182 | 815 | atomic_read(&tgtp->xmt_abort_rsp), |
547077a4 | 816 | atomic_read(&tgtp->xmt_abort_rsp_error)); |
2b65e182 | 817 | |
86c67379 JS |
818 | len += snprintf(buf + len, size - len, "\n"); |
819 | ||
820 | cnt = 0; | |
821 | spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); | |
822 | list_for_each_entry_safe(ctxp, next_ctxp, | |
823 | &phba->sli4_hba.lpfc_abts_nvmet_ctx_list, | |
824 | list) { | |
825 | cnt++; | |
826 | } | |
827 | spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); | |
828 | if (cnt) { | |
829 | len += snprintf(buf + len, size - len, | |
830 | "ABORT: %d ctx entries\n", cnt); | |
831 | spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); | |
832 | list_for_each_entry_safe(ctxp, next_ctxp, | |
833 | &phba->sli4_hba.lpfc_abts_nvmet_ctx_list, | |
834 | list) { | |
835 | if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ)) | |
836 | break; | |
837 | len += snprintf(buf + len, size - len, | |
838 | "Entry: oxid %x state %x " | |
839 | "flag %x\n", | |
840 | ctxp->oxid, ctxp->state, | |
841 | ctxp->flag); | |
842 | } | |
843 | spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); | |
844 | } | |
a8cf5dfe JS |
845 | |
846 | len += snprintf(buf + len, size - len, | |
847 | "IO_CTX: %08x outstanding %08x total %08x\n", | |
848 | phba->sli4_hba.nvmet_ctx_cnt, | |
849 | phba->sli4_hba.nvmet_io_wait_cnt, | |
850 | phba->sli4_hba.nvmet_io_wait_total); | |
2b65e182 | 851 | } else { |
bd2cdd5e JS |
852 | if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) |
853 | return len; | |
854 | ||
855 | len += snprintf(buf + len, size - len, | |
856 | "\nNVME Lport Statistics\n"); | |
857 | ||
858 | len += snprintf(buf + len, size - len, | |
859 | "LS: Xmt %016llx Cmpl %016llx\n", | |
860 | phba->fc4NvmeLsRequests, | |
861 | phba->fc4NvmeLsCmpls); | |
862 | ||
863 | len += snprintf(buf + len, size - len, | |
864 | "FCP: Rd %016llx Wr %016llx IO %016llx\n", | |
865 | phba->fc4NvmeInputRequests, | |
866 | phba->fc4NvmeOutputRequests, | |
867 | phba->fc4NvmeControlRequests); | |
868 | ||
869 | len += snprintf(buf + len, size - len, | |
870 | " Cmpl %016llx\n", phba->fc4NvmeIoCmpls); | |
871 | } | |
872 | ||
873 | return len; | |
874 | } | |
875 | ||
876 | ||
877 | /** | |
878 | * lpfc_debugfs_nvmektime_data - Dump target node list to a buffer | |
879 | * @vport: The vport to gather target node info from. | |
880 | * @buf: The buffer to dump log into. | |
881 | * @size: The maximum amount of data to process. | |
882 | * | |
883 | * Description: | |
884 | * This routine dumps the NVME statistics associated with @vport | |
885 | * | |
886 | * Return Value: | |
887 | * This routine returns the amount of bytes that were dumped into @buf and will | |
888 | * not exceed @size. | |
889 | **/ | |
890 | static int | |
891 | lpfc_debugfs_nvmektime_data(struct lpfc_vport *vport, char *buf, int size) | |
892 | { | |
893 | struct lpfc_hba *phba = vport->phba; | |
894 | int len = 0; | |
895 | ||
896 | if (phba->nvmet_support == 0) { | |
897 | /* NVME Initiator */ | |
898 | len += snprintf(buf + len, PAGE_SIZE - len, | |
899 | "ktime %s: Total Samples: %lld\n", | |
900 | (phba->ktime_on ? "Enabled" : "Disabled"), | |
901 | phba->ktime_data_samples); | |
902 | if (phba->ktime_data_samples == 0) | |
903 | return len; | |
904 | ||
905 | len += snprintf( | |
906 | buf + len, PAGE_SIZE - len, | |
907 | "Segment 1: Last NVME Cmd cmpl " | |
908 | "done -to- Start of next NVME cnd (in driver)\n"); | |
909 | len += snprintf( | |
910 | buf + len, PAGE_SIZE - len, | |
911 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
912 | div_u64(phba->ktime_seg1_total, |
913 | phba->ktime_data_samples), | |
bd2cdd5e JS |
914 | phba->ktime_seg1_min, |
915 | phba->ktime_seg1_max); | |
916 | len += snprintf( | |
917 | buf + len, PAGE_SIZE - len, | |
918 | "Segment 2: Driver start of NVME cmd " | |
919 | "-to- Firmware WQ doorbell\n"); | |
920 | len += snprintf( | |
921 | buf + len, PAGE_SIZE - len, | |
922 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
923 | div_u64(phba->ktime_seg2_total, |
924 | phba->ktime_data_samples), | |
bd2cdd5e JS |
925 | phba->ktime_seg2_min, |
926 | phba->ktime_seg2_max); | |
927 | len += snprintf( | |
928 | buf + len, PAGE_SIZE - len, | |
929 | "Segment 3: Firmware WQ doorbell -to- " | |
930 | "MSI-X ISR cmpl\n"); | |
931 | len += snprintf( | |
932 | buf + len, PAGE_SIZE - len, | |
933 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
934 | div_u64(phba->ktime_seg3_total, |
935 | phba->ktime_data_samples), | |
bd2cdd5e JS |
936 | phba->ktime_seg3_min, |
937 | phba->ktime_seg3_max); | |
938 | len += snprintf( | |
939 | buf + len, PAGE_SIZE - len, | |
940 | "Segment 4: MSI-X ISR cmpl -to- " | |
941 | "NVME cmpl done\n"); | |
942 | len += snprintf( | |
943 | buf + len, PAGE_SIZE - len, | |
944 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
945 | div_u64(phba->ktime_seg4_total, |
946 | phba->ktime_data_samples), | |
bd2cdd5e JS |
947 | phba->ktime_seg4_min, |
948 | phba->ktime_seg4_max); | |
949 | len += snprintf( | |
950 | buf + len, PAGE_SIZE - len, | |
951 | "Total IO avg time: %08lld\n", | |
90ec7c9d | 952 | div_u64(phba->ktime_seg1_total + |
bd2cdd5e JS |
953 | phba->ktime_seg2_total + |
954 | phba->ktime_seg3_total + | |
90ec7c9d | 955 | phba->ktime_seg4_total, |
bd2cdd5e JS |
956 | phba->ktime_data_samples)); |
957 | return len; | |
958 | } | |
2b65e182 JS |
959 | |
960 | /* NVME Target */ | |
961 | len += snprintf(buf + len, PAGE_SIZE-len, | |
962 | "ktime %s: Total Samples: %lld %lld\n", | |
963 | (phba->ktime_on ? "Enabled" : "Disabled"), | |
964 | phba->ktime_data_samples, | |
965 | phba->ktime_status_samples); | |
966 | if (phba->ktime_data_samples == 0) | |
967 | return len; | |
968 | ||
969 | len += snprintf(buf + len, PAGE_SIZE-len, | |
970 | "Segment 1: MSI-X ISR Rcv cmd -to- " | |
971 | "cmd pass to NVME Layer\n"); | |
972 | len += snprintf(buf + len, PAGE_SIZE-len, | |
973 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
974 | div_u64(phba->ktime_seg1_total, |
975 | phba->ktime_data_samples), | |
2b65e182 JS |
976 | phba->ktime_seg1_min, |
977 | phba->ktime_seg1_max); | |
978 | len += snprintf(buf + len, PAGE_SIZE-len, | |
979 | "Segment 2: cmd pass to NVME Layer- " | |
980 | "-to- Driver rcv cmd OP (action)\n"); | |
981 | len += snprintf(buf + len, PAGE_SIZE-len, | |
982 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
983 | div_u64(phba->ktime_seg2_total, |
984 | phba->ktime_data_samples), | |
2b65e182 JS |
985 | phba->ktime_seg2_min, |
986 | phba->ktime_seg2_max); | |
987 | len += snprintf(buf + len, PAGE_SIZE-len, | |
988 | "Segment 3: Driver rcv cmd OP -to- " | |
989 | "Firmware WQ doorbell: cmd\n"); | |
990 | len += snprintf(buf + len, PAGE_SIZE-len, | |
991 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
992 | div_u64(phba->ktime_seg3_total, |
993 | phba->ktime_data_samples), | |
2b65e182 JS |
994 | phba->ktime_seg3_min, |
995 | phba->ktime_seg3_max); | |
996 | len += snprintf(buf + len, PAGE_SIZE-len, | |
997 | "Segment 4: Firmware WQ doorbell: cmd " | |
998 | "-to- MSI-X ISR for cmd cmpl\n"); | |
999 | len += snprintf(buf + len, PAGE_SIZE-len, | |
1000 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
1001 | div_u64(phba->ktime_seg4_total, |
1002 | phba->ktime_data_samples), | |
2b65e182 JS |
1003 | phba->ktime_seg4_min, |
1004 | phba->ktime_seg4_max); | |
1005 | len += snprintf(buf + len, PAGE_SIZE-len, | |
1006 | "Segment 5: MSI-X ISR for cmd cmpl " | |
1007 | "-to- NVME layer passed cmd done\n"); | |
1008 | len += snprintf(buf + len, PAGE_SIZE-len, | |
1009 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
1010 | div_u64(phba->ktime_seg5_total, |
1011 | phba->ktime_data_samples), | |
2b65e182 JS |
1012 | phba->ktime_seg5_min, |
1013 | phba->ktime_seg5_max); | |
1014 | ||
1015 | if (phba->ktime_status_samples == 0) { | |
1016 | len += snprintf(buf + len, PAGE_SIZE-len, | |
1017 | "Total: cmd received by MSI-X ISR " | |
1018 | "-to- cmd completed on wire\n"); | |
1019 | len += snprintf(buf + len, PAGE_SIZE-len, | |
1020 | "avg:%08lld min:%08lld " | |
1021 | "max %08lld\n", | |
90ec7c9d AB |
1022 | div_u64(phba->ktime_seg10_total, |
1023 | phba->ktime_data_samples), | |
2b65e182 JS |
1024 | phba->ktime_seg10_min, |
1025 | phba->ktime_seg10_max); | |
1026 | return len; | |
1027 | } | |
1028 | ||
1029 | len += snprintf(buf + len, PAGE_SIZE-len, | |
1030 | "Segment 6: NVME layer passed cmd done " | |
1031 | "-to- Driver rcv rsp status OP\n"); | |
1032 | len += snprintf(buf + len, PAGE_SIZE-len, | |
1033 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
1034 | div_u64(phba->ktime_seg6_total, |
1035 | phba->ktime_status_samples), | |
2b65e182 JS |
1036 | phba->ktime_seg6_min, |
1037 | phba->ktime_seg6_max); | |
1038 | len += snprintf(buf + len, PAGE_SIZE-len, | |
1039 | "Segment 7: Driver rcv rsp status OP " | |
1040 | "-to- Firmware WQ doorbell: status\n"); | |
1041 | len += snprintf(buf + len, PAGE_SIZE-len, | |
1042 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
1043 | div_u64(phba->ktime_seg7_total, |
1044 | phba->ktime_status_samples), | |
2b65e182 JS |
1045 | phba->ktime_seg7_min, |
1046 | phba->ktime_seg7_max); | |
1047 | len += snprintf(buf + len, PAGE_SIZE-len, | |
1048 | "Segment 8: Firmware WQ doorbell: status" | |
1049 | " -to- MSI-X ISR for status cmpl\n"); | |
1050 | len += snprintf(buf + len, PAGE_SIZE-len, | |
1051 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
1052 | div_u64(phba->ktime_seg8_total, |
1053 | phba->ktime_status_samples), | |
2b65e182 JS |
1054 | phba->ktime_seg8_min, |
1055 | phba->ktime_seg8_max); | |
1056 | len += snprintf(buf + len, PAGE_SIZE-len, | |
1057 | "Segment 9: MSI-X ISR for status cmpl " | |
1058 | "-to- NVME layer passed status done\n"); | |
1059 | len += snprintf(buf + len, PAGE_SIZE-len, | |
1060 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
1061 | div_u64(phba->ktime_seg9_total, |
1062 | phba->ktime_status_samples), | |
2b65e182 JS |
1063 | phba->ktime_seg9_min, |
1064 | phba->ktime_seg9_max); | |
1065 | len += snprintf(buf + len, PAGE_SIZE-len, | |
1066 | "Total: cmd received by MSI-X ISR -to- " | |
1067 | "cmd completed on wire\n"); | |
1068 | len += snprintf(buf + len, PAGE_SIZE-len, | |
1069 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
1070 | div_u64(phba->ktime_seg10_total, |
1071 | phba->ktime_status_samples), | |
2b65e182 JS |
1072 | phba->ktime_seg10_min, |
1073 | phba->ktime_seg10_max); | |
bd2cdd5e JS |
1074 | return len; |
1075 | } | |
1076 | ||
1077 | /** | |
1078 | * lpfc_debugfs_nvmeio_trc_data - Dump NVME IO trace list to a buffer | |
1079 | * @phba: The phba to gather target node info from. | |
1080 | * @buf: The buffer to dump log into. | |
1081 | * @size: The maximum amount of data to process. | |
1082 | * | |
1083 | * Description: | |
1084 | * This routine dumps the NVME IO trace associated with @phba | |
1085 | * | |
1086 | * Return Value: | |
1087 | * This routine returns the amount of bytes that were dumped into @buf and will | |
1088 | * not exceed @size. | |
1089 | **/ | |
1090 | static int | |
1091 | lpfc_debugfs_nvmeio_trc_data(struct lpfc_hba *phba, char *buf, int size) | |
1092 | { | |
1093 | struct lpfc_debugfs_nvmeio_trc *dtp; | |
1094 | int i, state, index, skip; | |
1095 | int len = 0; | |
1096 | ||
1097 | state = phba->nvmeio_trc_on; | |
1098 | ||
1099 | index = (atomic_read(&phba->nvmeio_trc_cnt) + 1) & | |
1100 | (phba->nvmeio_trc_size - 1); | |
1101 | skip = phba->nvmeio_trc_output_idx; | |
1102 | ||
1103 | len += snprintf(buf + len, size - len, | |
1104 | "%s IO Trace %s: next_idx %d skip %d size %d\n", | |
1105 | (phba->nvmet_support ? "NVME" : "NVMET"), | |
1106 | (state ? "Enabled" : "Disabled"), | |
1107 | index, skip, phba->nvmeio_trc_size); | |
1108 | ||
1109 | if (!phba->nvmeio_trc || state) | |
1110 | return len; | |
1111 | ||
1112 | /* trace MUST bhe off to continue */ | |
1113 | ||
1114 | for (i = index; i < phba->nvmeio_trc_size; i++) { | |
1115 | if (skip) { | |
1116 | skip--; | |
1117 | continue; | |
1118 | } | |
1119 | dtp = phba->nvmeio_trc + i; | |
1120 | phba->nvmeio_trc_output_idx++; | |
1121 | ||
1122 | if (!dtp->fmt) | |
1123 | continue; | |
1124 | ||
1125 | len += snprintf(buf + len, size - len, dtp->fmt, | |
1126 | dtp->data1, dtp->data2, dtp->data3); | |
1127 | ||
1128 | if (phba->nvmeio_trc_output_idx >= phba->nvmeio_trc_size) { | |
1129 | phba->nvmeio_trc_output_idx = 0; | |
1130 | len += snprintf(buf + len, size - len, | |
1131 | "Trace Complete\n"); | |
1132 | goto out; | |
1133 | } | |
1134 | ||
1135 | if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ)) { | |
1136 | len += snprintf(buf + len, size - len, | |
1137 | "Trace Continue (%d of %d)\n", | |
1138 | phba->nvmeio_trc_output_idx, | |
1139 | phba->nvmeio_trc_size); | |
1140 | goto out; | |
1141 | } | |
1142 | } | |
1143 | for (i = 0; i < index; i++) { | |
1144 | if (skip) { | |
1145 | skip--; | |
1146 | continue; | |
1147 | } | |
1148 | dtp = phba->nvmeio_trc + i; | |
1149 | phba->nvmeio_trc_output_idx++; | |
1150 | ||
1151 | if (!dtp->fmt) | |
1152 | continue; | |
1153 | ||
1154 | len += snprintf(buf + len, size - len, dtp->fmt, | |
1155 | dtp->data1, dtp->data2, dtp->data3); | |
1156 | ||
1157 | if (phba->nvmeio_trc_output_idx >= phba->nvmeio_trc_size) { | |
1158 | phba->nvmeio_trc_output_idx = 0; | |
1159 | len += snprintf(buf + len, size - len, | |
1160 | "Trace Complete\n"); | |
1161 | goto out; | |
1162 | } | |
1163 | ||
1164 | if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ)) { | |
1165 | len += snprintf(buf + len, size - len, | |
1166 | "Trace Continue (%d of %d)\n", | |
1167 | phba->nvmeio_trc_output_idx, | |
1168 | phba->nvmeio_trc_size); | |
1169 | goto out; | |
1170 | } | |
1171 | } | |
1172 | ||
1173 | len += snprintf(buf + len, size - len, | |
1174 | "Trace Done\n"); | |
1175 | out: | |
1176 | return len; | |
1177 | } | |
1178 | ||
1179 | /** | |
1180 | * lpfc_debugfs_cpucheck_data - Dump target node list to a buffer | |
1181 | * @vport: The vport to gather target node info from. | |
1182 | * @buf: The buffer to dump log into. | |
1183 | * @size: The maximum amount of data to process. | |
1184 | * | |
1185 | * Description: | |
1186 | * This routine dumps the NVME statistics associated with @vport | |
1187 | * | |
1188 | * Return Value: | |
1189 | * This routine returns the amount of bytes that were dumped into @buf and will | |
1190 | * not exceed @size. | |
1191 | **/ | |
1192 | static int | |
1193 | lpfc_debugfs_cpucheck_data(struct lpfc_vport *vport, char *buf, int size) | |
1194 | { | |
1195 | struct lpfc_hba *phba = vport->phba; | |
1196 | int i; | |
1197 | int len = 0; | |
1198 | uint32_t tot_xmt = 0; | |
2b65e182 | 1199 | uint32_t tot_rcv = 0; |
bd2cdd5e | 1200 | uint32_t tot_cmpl = 0; |
2b65e182 | 1201 | uint32_t tot_ccmpl = 0; |
bd2cdd5e JS |
1202 | |
1203 | if (phba->nvmet_support == 0) { | |
1204 | /* NVME Initiator */ | |
1205 | len += snprintf(buf + len, PAGE_SIZE - len, | |
1206 | "CPUcheck %s\n", | |
1207 | (phba->cpucheck_on & LPFC_CHECK_NVME_IO ? | |
1208 | "Enabled" : "Disabled")); | |
1209 | for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { | |
1210 | if (i >= LPFC_CHECK_CPU_CNT) | |
1211 | break; | |
1212 | len += snprintf(buf + len, PAGE_SIZE - len, | |
1213 | "%02d: xmit x%08x cmpl x%08x\n", | |
1214 | i, phba->cpucheck_xmt_io[i], | |
1215 | phba->cpucheck_cmpl_io[i]); | |
1216 | tot_xmt += phba->cpucheck_xmt_io[i]; | |
1217 | tot_cmpl += phba->cpucheck_cmpl_io[i]; | |
1218 | } | |
1219 | len += snprintf(buf + len, PAGE_SIZE - len, | |
1220 | "tot:xmit x%08x cmpl x%08x\n", | |
1221 | tot_xmt, tot_cmpl); | |
1222 | return len; | |
1223 | } | |
1224 | ||
2b65e182 JS |
1225 | /* NVME Target */ |
1226 | len += snprintf(buf + len, PAGE_SIZE - len, | |
1227 | "CPUcheck %s ", | |
1228 | (phba->cpucheck_on & LPFC_CHECK_NVMET_IO ? | |
1229 | "IO Enabled - " : "IO Disabled - ")); | |
1230 | len += snprintf(buf + len, PAGE_SIZE - len, | |
1231 | "%s\n", | |
1232 | (phba->cpucheck_on & LPFC_CHECK_NVMET_RCV ? | |
1233 | "Rcv Enabled\n" : "Rcv Disabled\n")); | |
1234 | for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { | |
1235 | if (i >= LPFC_CHECK_CPU_CNT) | |
1236 | break; | |
1237 | len += snprintf(buf + len, PAGE_SIZE - len, | |
1238 | "%02d: xmit x%08x ccmpl x%08x " | |
1239 | "cmpl x%08x rcv x%08x\n", | |
1240 | i, phba->cpucheck_xmt_io[i], | |
1241 | phba->cpucheck_ccmpl_io[i], | |
1242 | phba->cpucheck_cmpl_io[i], | |
1243 | phba->cpucheck_rcv_io[i]); | |
1244 | tot_xmt += phba->cpucheck_xmt_io[i]; | |
1245 | tot_rcv += phba->cpucheck_rcv_io[i]; | |
1246 | tot_cmpl += phba->cpucheck_cmpl_io[i]; | |
1247 | tot_ccmpl += phba->cpucheck_ccmpl_io[i]; | |
1248 | } | |
1249 | len += snprintf(buf + len, PAGE_SIZE - len, | |
1250 | "tot:xmit x%08x ccmpl x%08x cmpl x%08x rcv x%08x\n", | |
1251 | tot_xmt, tot_ccmpl, tot_cmpl, tot_rcv); | |
858c9f6c JS |
1252 | return len; |
1253 | } | |
2ea259ee | 1254 | |
858c9f6c JS |
1255 | #endif |
1256 | ||
e59058c4 | 1257 | /** |
3621a710 | 1258 | * lpfc_debugfs_disc_trc - Store discovery trace log |
e59058c4 JS |
1259 | * @vport: The vport to associate this trace string with for retrieval. |
1260 | * @mask: Log entry classification. | |
1261 | * @fmt: Format string to be displayed when dumping the log. | |
1262 | * @data1: 1st data parameter to be applied to @fmt. | |
1263 | * @data2: 2nd data parameter to be applied to @fmt. | |
1264 | * @data3: 3rd data parameter to be applied to @fmt. | |
1265 | * | |
1266 | * Description: | |
1267 | * This routine is used by the driver code to add a debugfs log entry to the | |
1268 | * discovery trace buffer associated with @vport. Only entries with a @mask that | |
1269 | * match the current debugfs discovery mask will be saved. Entries that do not | |
1270 | * match will be thrown away. @fmt, @data1, @data2, and @data3 are used like | |
1271 | * printf when displaying the log. | |
1272 | **/ | |
858c9f6c JS |
1273 | inline void |
1274 | lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt, | |
1275 | uint32_t data1, uint32_t data2, uint32_t data3) | |
1276 | { | |
923e4b6a | 1277 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
a58cbd52 | 1278 | struct lpfc_debugfs_trc *dtp; |
858c9f6c JS |
1279 | int index; |
1280 | ||
1281 | if (!(lpfc_debugfs_mask_disc_trc & mask)) | |
1282 | return; | |
1283 | ||
1284 | if (!lpfc_debugfs_enable || !lpfc_debugfs_max_disc_trc || | |
1285 | !vport || !vport->disc_trc) | |
1286 | return; | |
1287 | ||
1288 | index = atomic_inc_return(&vport->disc_trc_cnt) & | |
1289 | (lpfc_debugfs_max_disc_trc - 1); | |
1290 | dtp = vport->disc_trc + index; | |
1291 | dtp->fmt = fmt; | |
1292 | dtp->data1 = data1; | |
1293 | dtp->data2 = data2; | |
1294 | dtp->data3 = data3; | |
a58cbd52 JS |
1295 | dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); |
1296 | dtp->jif = jiffies; | |
1297 | #endif | |
1298 | return; | |
1299 | } | |
1300 | ||
e59058c4 | 1301 | /** |
3621a710 | 1302 | * lpfc_debugfs_slow_ring_trc - Store slow ring trace log |
e59058c4 JS |
1303 | * @phba: The phba to associate this trace string with for retrieval. |
1304 | * @fmt: Format string to be displayed when dumping the log. | |
1305 | * @data1: 1st data parameter to be applied to @fmt. | |
1306 | * @data2: 2nd data parameter to be applied to @fmt. | |
1307 | * @data3: 3rd data parameter to be applied to @fmt. | |
1308 | * | |
1309 | * Description: | |
1310 | * This routine is used by the driver code to add a debugfs log entry to the | |
1311 | * discovery trace buffer associated with @vport. @fmt, @data1, @data2, and | |
1312 | * @data3 are used like printf when displaying the log. | |
1313 | **/ | |
a58cbd52 JS |
1314 | inline void |
1315 | lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt, | |
1316 | uint32_t data1, uint32_t data2, uint32_t data3) | |
1317 | { | |
923e4b6a | 1318 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
a58cbd52 JS |
1319 | struct lpfc_debugfs_trc *dtp; |
1320 | int index; | |
1321 | ||
1322 | if (!lpfc_debugfs_enable || !lpfc_debugfs_max_slow_ring_trc || | |
1323 | !phba || !phba->slow_ring_trc) | |
1324 | return; | |
1325 | ||
1326 | index = atomic_inc_return(&phba->slow_ring_trc_cnt) & | |
1327 | (lpfc_debugfs_max_slow_ring_trc - 1); | |
1328 | dtp = phba->slow_ring_trc + index; | |
1329 | dtp->fmt = fmt; | |
1330 | dtp->data1 = data1; | |
1331 | dtp->data2 = data2; | |
1332 | dtp->data3 = data3; | |
1333 | dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); | |
858c9f6c JS |
1334 | dtp->jif = jiffies; |
1335 | #endif | |
1336 | return; | |
1337 | } | |
1338 | ||
bd2cdd5e JS |
1339 | /** |
1340 | * lpfc_debugfs_nvme_trc - Store NVME/NVMET trace log | |
1341 | * @phba: The phba to associate this trace string with for retrieval. | |
1342 | * @fmt: Format string to be displayed when dumping the log. | |
1343 | * @data1: 1st data parameter to be applied to @fmt. | |
1344 | * @data2: 2nd data parameter to be applied to @fmt. | |
1345 | * @data3: 3rd data parameter to be applied to @fmt. | |
1346 | * | |
1347 | * Description: | |
1348 | * This routine is used by the driver code to add a debugfs log entry to the | |
1349 | * nvme trace buffer associated with @phba. @fmt, @data1, @data2, and | |
1350 | * @data3 are used like printf when displaying the log. | |
1351 | **/ | |
1352 | inline void | |
1353 | lpfc_debugfs_nvme_trc(struct lpfc_hba *phba, char *fmt, | |
1354 | uint16_t data1, uint16_t data2, uint32_t data3) | |
1355 | { | |
1356 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS | |
1357 | struct lpfc_debugfs_nvmeio_trc *dtp; | |
1358 | int index; | |
1359 | ||
1360 | if (!phba->nvmeio_trc_on || !phba->nvmeio_trc) | |
1361 | return; | |
1362 | ||
1363 | index = atomic_inc_return(&phba->nvmeio_trc_cnt) & | |
1364 | (phba->nvmeio_trc_size - 1); | |
1365 | dtp = phba->nvmeio_trc + index; | |
1366 | dtp->fmt = fmt; | |
1367 | dtp->data1 = data1; | |
1368 | dtp->data2 = data2; | |
1369 | dtp->data3 = data3; | |
1370 | #endif | |
1371 | } | |
1372 | ||
923e4b6a | 1373 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
e59058c4 | 1374 | /** |
3621a710 | 1375 | * lpfc_debugfs_disc_trc_open - Open the discovery trace log |
e59058c4 JS |
1376 | * @inode: The inode pointer that contains a vport pointer. |
1377 | * @file: The file pointer to attach the log output. | |
1378 | * | |
1379 | * Description: | |
1380 | * This routine is the entry point for the debugfs open file operation. It gets | |
1381 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
1382 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
1383 | * returns a pointer to that log in the private_data field in @file. | |
1384 | * | |
1385 | * Returns: | |
79ce48df | 1386 | * This function returns zero if successful. On error it will return a negative |
e59058c4 JS |
1387 | * error value. |
1388 | **/ | |
858c9f6c JS |
1389 | static int |
1390 | lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file) | |
1391 | { | |
1392 | struct lpfc_vport *vport = inode->i_private; | |
1393 | struct lpfc_debug *debug; | |
1394 | int size; | |
1395 | int rc = -ENOMEM; | |
1396 | ||
1397 | if (!lpfc_debugfs_max_disc_trc) { | |
1398 | rc = -ENOSPC; | |
1399 | goto out; | |
1400 | } | |
1401 | ||
1402 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1403 | if (!debug) | |
1404 | goto out; | |
1405 | ||
e59058c4 | 1406 | /* Round to page boundary */ |
a58cbd52 | 1407 | size = (lpfc_debugfs_max_disc_trc * LPFC_DEBUG_TRC_ENTRY_SIZE); |
858c9f6c JS |
1408 | size = PAGE_ALIGN(size); |
1409 | ||
1410 | debug->buffer = kmalloc(size, GFP_KERNEL); | |
1411 | if (!debug->buffer) { | |
1412 | kfree(debug); | |
1413 | goto out; | |
1414 | } | |
1415 | ||
1416 | debug->len = lpfc_debugfs_disc_trc_data(vport, debug->buffer, size); | |
1417 | file->private_data = debug; | |
1418 | ||
1419 | rc = 0; | |
1420 | out: | |
1421 | return rc; | |
1422 | } | |
1423 | ||
e59058c4 | 1424 | /** |
3621a710 | 1425 | * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log |
e59058c4 JS |
1426 | * @inode: The inode pointer that contains a vport pointer. |
1427 | * @file: The file pointer to attach the log output. | |
1428 | * | |
1429 | * Description: | |
1430 | * This routine is the entry point for the debugfs open file operation. It gets | |
1431 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
1432 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
1433 | * returns a pointer to that log in the private_data field in @file. | |
1434 | * | |
1435 | * Returns: | |
79ce48df | 1436 | * This function returns zero if successful. On error it will return a negative |
e59058c4 JS |
1437 | * error value. |
1438 | **/ | |
a58cbd52 JS |
1439 | static int |
1440 | lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file) | |
1441 | { | |
1442 | struct lpfc_hba *phba = inode->i_private; | |
1443 | struct lpfc_debug *debug; | |
1444 | int size; | |
1445 | int rc = -ENOMEM; | |
1446 | ||
1447 | if (!lpfc_debugfs_max_slow_ring_trc) { | |
1448 | rc = -ENOSPC; | |
1449 | goto out; | |
1450 | } | |
1451 | ||
1452 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1453 | if (!debug) | |
1454 | goto out; | |
1455 | ||
e59058c4 | 1456 | /* Round to page boundary */ |
a58cbd52 JS |
1457 | size = (lpfc_debugfs_max_slow_ring_trc * LPFC_DEBUG_TRC_ENTRY_SIZE); |
1458 | size = PAGE_ALIGN(size); | |
1459 | ||
1460 | debug->buffer = kmalloc(size, GFP_KERNEL); | |
1461 | if (!debug->buffer) { | |
1462 | kfree(debug); | |
1463 | goto out; | |
1464 | } | |
1465 | ||
1466 | debug->len = lpfc_debugfs_slow_ring_trc_data(phba, debug->buffer, size); | |
1467 | file->private_data = debug; | |
1468 | ||
1469 | rc = 0; | |
1470 | out: | |
1471 | return rc; | |
1472 | } | |
1473 | ||
e59058c4 | 1474 | /** |
3621a710 | 1475 | * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer |
e59058c4 JS |
1476 | * @inode: The inode pointer that contains a vport pointer. |
1477 | * @file: The file pointer to attach the log output. | |
1478 | * | |
1479 | * Description: | |
1480 | * This routine is the entry point for the debugfs open file operation. It gets | |
1481 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
1482 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
1483 | * returns a pointer to that log in the private_data field in @file. | |
1484 | * | |
1485 | * Returns: | |
79ce48df | 1486 | * This function returns zero if successful. On error it will return a negative |
e59058c4 JS |
1487 | * error value. |
1488 | **/ | |
78b2d852 JS |
1489 | static int |
1490 | lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file) | |
1491 | { | |
1492 | struct lpfc_hba *phba = inode->i_private; | |
1493 | struct lpfc_debug *debug; | |
1494 | int rc = -ENOMEM; | |
1495 | ||
1496 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1497 | if (!debug) | |
1498 | goto out; | |
1499 | ||
e59058c4 | 1500 | /* Round to page boundary */ |
78b2d852 JS |
1501 | debug->buffer = kmalloc(LPFC_HBQINFO_SIZE, GFP_KERNEL); |
1502 | if (!debug->buffer) { | |
1503 | kfree(debug); | |
1504 | goto out; | |
1505 | } | |
1506 | ||
1507 | debug->len = lpfc_debugfs_hbqinfo_data(phba, debug->buffer, | |
1508 | LPFC_HBQINFO_SIZE); | |
1509 | file->private_data = debug; | |
1510 | ||
1511 | rc = 0; | |
1512 | out: | |
1513 | return rc; | |
1514 | } | |
1515 | ||
e59058c4 | 1516 | /** |
3621a710 | 1517 | * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer |
e59058c4 JS |
1518 | * @inode: The inode pointer that contains a vport pointer. |
1519 | * @file: The file pointer to attach the log output. | |
1520 | * | |
1521 | * Description: | |
1522 | * This routine is the entry point for the debugfs open file operation. It gets | |
1523 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
1524 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
1525 | * returns a pointer to that log in the private_data field in @file. | |
1526 | * | |
1527 | * Returns: | |
79ce48df | 1528 | * This function returns zero if successful. On error it will return a negative |
e59058c4 JS |
1529 | * error value. |
1530 | **/ | |
a58cbd52 | 1531 | static int |
c95d6c6c | 1532 | lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file) |
a58cbd52 JS |
1533 | { |
1534 | struct lpfc_hba *phba = inode->i_private; | |
1535 | struct lpfc_debug *debug; | |
1536 | int rc = -ENOMEM; | |
1537 | ||
1538 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1539 | if (!debug) | |
1540 | goto out; | |
1541 | ||
e59058c4 | 1542 | /* Round to page boundary */ |
c95d6c6c | 1543 | debug->buffer = kmalloc(LPFC_DUMPHBASLIM_SIZE, GFP_KERNEL); |
a58cbd52 JS |
1544 | if (!debug->buffer) { |
1545 | kfree(debug); | |
1546 | goto out; | |
1547 | } | |
1548 | ||
c95d6c6c JS |
1549 | debug->len = lpfc_debugfs_dumpHBASlim_data(phba, debug->buffer, |
1550 | LPFC_DUMPHBASLIM_SIZE); | |
1551 | file->private_data = debug; | |
1552 | ||
1553 | rc = 0; | |
1554 | out: | |
1555 | return rc; | |
1556 | } | |
1557 | ||
e59058c4 | 1558 | /** |
3621a710 | 1559 | * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer |
e59058c4 JS |
1560 | * @inode: The inode pointer that contains a vport pointer. |
1561 | * @file: The file pointer to attach the log output. | |
1562 | * | |
1563 | * Description: | |
1564 | * This routine is the entry point for the debugfs open file operation. It gets | |
1565 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
1566 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
1567 | * returns a pointer to that log in the private_data field in @file. | |
1568 | * | |
1569 | * Returns: | |
79ce48df | 1570 | * This function returns zero if successful. On error it will return a negative |
e59058c4 JS |
1571 | * error value. |
1572 | **/ | |
c95d6c6c JS |
1573 | static int |
1574 | lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file) | |
1575 | { | |
1576 | struct lpfc_hba *phba = inode->i_private; | |
1577 | struct lpfc_debug *debug; | |
1578 | int rc = -ENOMEM; | |
1579 | ||
1580 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1581 | if (!debug) | |
1582 | goto out; | |
1583 | ||
e59058c4 | 1584 | /* Round to page boundary */ |
c95d6c6c JS |
1585 | debug->buffer = kmalloc(LPFC_DUMPHOSTSLIM_SIZE, GFP_KERNEL); |
1586 | if (!debug->buffer) { | |
1587 | kfree(debug); | |
1588 | goto out; | |
1589 | } | |
1590 | ||
1591 | debug->len = lpfc_debugfs_dumpHostSlim_data(phba, debug->buffer, | |
1592 | LPFC_DUMPHOSTSLIM_SIZE); | |
a58cbd52 JS |
1593 | file->private_data = debug; |
1594 | ||
1595 | rc = 0; | |
1596 | out: | |
1597 | return rc; | |
1598 | } | |
1599 | ||
e2a0a9d6 JS |
1600 | static int |
1601 | lpfc_debugfs_dumpData_open(struct inode *inode, struct file *file) | |
1602 | { | |
1603 | struct lpfc_debug *debug; | |
1604 | int rc = -ENOMEM; | |
1605 | ||
1606 | if (!_dump_buf_data) | |
1607 | return -EBUSY; | |
1608 | ||
1609 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1610 | if (!debug) | |
1611 | goto out; | |
1612 | ||
25985edc | 1613 | /* Round to page boundary */ |
2ea259ee | 1614 | pr_err("9059 BLKGRD: %s: _dump_buf_data=0x%p\n", |
e2a0a9d6 JS |
1615 | __func__, _dump_buf_data); |
1616 | debug->buffer = _dump_buf_data; | |
1617 | if (!debug->buffer) { | |
1618 | kfree(debug); | |
1619 | goto out; | |
1620 | } | |
1621 | ||
1622 | debug->len = (1 << _dump_buf_data_order) << PAGE_SHIFT; | |
1623 | file->private_data = debug; | |
1624 | ||
1625 | rc = 0; | |
1626 | out: | |
1627 | return rc; | |
1628 | } | |
1629 | ||
1630 | static int | |
1631 | lpfc_debugfs_dumpDif_open(struct inode *inode, struct file *file) | |
1632 | { | |
1633 | struct lpfc_debug *debug; | |
1634 | int rc = -ENOMEM; | |
1635 | ||
1636 | if (!_dump_buf_dif) | |
1637 | return -EBUSY; | |
1638 | ||
1639 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1640 | if (!debug) | |
1641 | goto out; | |
1642 | ||
25985edc | 1643 | /* Round to page boundary */ |
2ea259ee JS |
1644 | pr_err("9060 BLKGRD: %s: _dump_buf_dif=0x%p file=%pD\n", |
1645 | __func__, _dump_buf_dif, file); | |
e2a0a9d6 JS |
1646 | debug->buffer = _dump_buf_dif; |
1647 | if (!debug->buffer) { | |
1648 | kfree(debug); | |
1649 | goto out; | |
1650 | } | |
1651 | ||
1652 | debug->len = (1 << _dump_buf_dif_order) << PAGE_SHIFT; | |
1653 | file->private_data = debug; | |
1654 | ||
1655 | rc = 0; | |
1656 | out: | |
1657 | return rc; | |
1658 | } | |
1659 | ||
1660 | static ssize_t | |
1661 | lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf, | |
1662 | size_t nbytes, loff_t *ppos) | |
1663 | { | |
1664 | /* | |
1665 | * The Data/DIF buffers only save one failing IO | |
1666 | * The write op is used as a reset mechanism after an IO has | |
1667 | * already been saved to the next one can be saved | |
1668 | */ | |
1669 | spin_lock(&_dump_buf_lock); | |
1670 | ||
1671 | memset((void *)_dump_buf_data, 0, | |
1672 | ((1 << PAGE_SHIFT) << _dump_buf_data_order)); | |
1673 | memset((void *)_dump_buf_dif, 0, | |
1674 | ((1 << PAGE_SHIFT) << _dump_buf_dif_order)); | |
1675 | ||
1676 | _dump_buf_done = 0; | |
1677 | ||
1678 | spin_unlock(&_dump_buf_lock); | |
1679 | ||
1680 | return nbytes; | |
1681 | } | |
1682 | ||
f9bb2da1 JS |
1683 | static ssize_t |
1684 | lpfc_debugfs_dif_err_read(struct file *file, char __user *buf, | |
1685 | size_t nbytes, loff_t *ppos) | |
1686 | { | |
b583043e | 1687 | struct dentry *dent = file->f_path.dentry; |
f9bb2da1 | 1688 | struct lpfc_hba *phba = file->private_data; |
9a6b09c0 | 1689 | char cbuf[32]; |
4ac9b226 | 1690 | uint64_t tmp = 0; |
f9bb2da1 JS |
1691 | int cnt = 0; |
1692 | ||
1693 | if (dent == phba->debug_writeGuard) | |
9a6b09c0 | 1694 | cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wgrd_cnt); |
f9bb2da1 | 1695 | else if (dent == phba->debug_writeApp) |
9a6b09c0 | 1696 | cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wapp_cnt); |
f9bb2da1 | 1697 | else if (dent == phba->debug_writeRef) |
9a6b09c0 | 1698 | cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wref_cnt); |
acd6859b | 1699 | else if (dent == phba->debug_readGuard) |
9a6b09c0 | 1700 | cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rgrd_cnt); |
f9bb2da1 | 1701 | else if (dent == phba->debug_readApp) |
9a6b09c0 | 1702 | cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rapp_cnt); |
f9bb2da1 | 1703 | else if (dent == phba->debug_readRef) |
9a6b09c0 | 1704 | cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rref_cnt); |
4ac9b226 JS |
1705 | else if (dent == phba->debug_InjErrNPortID) |
1706 | cnt = snprintf(cbuf, 32, "0x%06x\n", phba->lpfc_injerr_nportid); | |
1707 | else if (dent == phba->debug_InjErrWWPN) { | |
1708 | memcpy(&tmp, &phba->lpfc_injerr_wwpn, sizeof(struct lpfc_name)); | |
1709 | tmp = cpu_to_be64(tmp); | |
1710 | cnt = snprintf(cbuf, 32, "0x%016llx\n", tmp); | |
1711 | } else if (dent == phba->debug_InjErrLBA) { | |
1712 | if (phba->lpfc_injerr_lba == (sector_t)(-1)) | |
9a6b09c0 JS |
1713 | cnt = snprintf(cbuf, 32, "off\n"); |
1714 | else | |
4ac9b226 JS |
1715 | cnt = snprintf(cbuf, 32, "0x%llx\n", |
1716 | (uint64_t) phba->lpfc_injerr_lba); | |
9a6b09c0 | 1717 | } else |
f9bb2da1 JS |
1718 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
1719 | "0547 Unknown debugfs error injection entry\n"); | |
1720 | ||
1721 | return simple_read_from_buffer(buf, nbytes, ppos, &cbuf, cnt); | |
1722 | } | |
1723 | ||
1724 | static ssize_t | |
1725 | lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf, | |
1726 | size_t nbytes, loff_t *ppos) | |
1727 | { | |
b583043e | 1728 | struct dentry *dent = file->f_path.dentry; |
f9bb2da1 | 1729 | struct lpfc_hba *phba = file->private_data; |
0872774d | 1730 | char dstbuf[33]; |
4ac9b226 | 1731 | uint64_t tmp = 0; |
f9bb2da1 JS |
1732 | int size; |
1733 | ||
0872774d | 1734 | memset(dstbuf, 0, 33); |
f9bb2da1 JS |
1735 | size = (nbytes < 32) ? nbytes : 32; |
1736 | if (copy_from_user(dstbuf, buf, size)) | |
1737 | return 0; | |
1738 | ||
9a6b09c0 JS |
1739 | if (dent == phba->debug_InjErrLBA) { |
1740 | if ((buf[0] == 'o') && (buf[1] == 'f') && (buf[2] == 'f')) | |
4ac9b226 | 1741 | tmp = (uint64_t)(-1); |
9a6b09c0 JS |
1742 | } |
1743 | ||
4ac9b226 | 1744 | if ((tmp == 0) && (kstrtoull(dstbuf, 0, &tmp))) |
f9bb2da1 JS |
1745 | return 0; |
1746 | ||
1747 | if (dent == phba->debug_writeGuard) | |
1748 | phba->lpfc_injerr_wgrd_cnt = (uint32_t)tmp; | |
1749 | else if (dent == phba->debug_writeApp) | |
1750 | phba->lpfc_injerr_wapp_cnt = (uint32_t)tmp; | |
1751 | else if (dent == phba->debug_writeRef) | |
1752 | phba->lpfc_injerr_wref_cnt = (uint32_t)tmp; | |
acd6859b JS |
1753 | else if (dent == phba->debug_readGuard) |
1754 | phba->lpfc_injerr_rgrd_cnt = (uint32_t)tmp; | |
f9bb2da1 JS |
1755 | else if (dent == phba->debug_readApp) |
1756 | phba->lpfc_injerr_rapp_cnt = (uint32_t)tmp; | |
1757 | else if (dent == phba->debug_readRef) | |
1758 | phba->lpfc_injerr_rref_cnt = (uint32_t)tmp; | |
1759 | else if (dent == phba->debug_InjErrLBA) | |
1760 | phba->lpfc_injerr_lba = (sector_t)tmp; | |
4ac9b226 JS |
1761 | else if (dent == phba->debug_InjErrNPortID) |
1762 | phba->lpfc_injerr_nportid = (uint32_t)(tmp & Mask_DID); | |
1763 | else if (dent == phba->debug_InjErrWWPN) { | |
1764 | tmp = cpu_to_be64(tmp); | |
1765 | memcpy(&phba->lpfc_injerr_wwpn, &tmp, sizeof(struct lpfc_name)); | |
1766 | } else | |
f9bb2da1 JS |
1767 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
1768 | "0548 Unknown debugfs error injection entry\n"); | |
1769 | ||
1770 | return nbytes; | |
1771 | } | |
1772 | ||
1773 | static int | |
1774 | lpfc_debugfs_dif_err_release(struct inode *inode, struct file *file) | |
1775 | { | |
1776 | return 0; | |
1777 | } | |
1778 | ||
e59058c4 | 1779 | /** |
3621a710 | 1780 | * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file |
e59058c4 JS |
1781 | * @inode: The inode pointer that contains a vport pointer. |
1782 | * @file: The file pointer to attach the log output. | |
1783 | * | |
1784 | * Description: | |
1785 | * This routine is the entry point for the debugfs open file operation. It gets | |
1786 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
1787 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
1788 | * returns a pointer to that log in the private_data field in @file. | |
1789 | * | |
1790 | * Returns: | |
79ce48df | 1791 | * This function returns zero if successful. On error it will return a negative |
e59058c4 JS |
1792 | * error value. |
1793 | **/ | |
858c9f6c JS |
1794 | static int |
1795 | lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file) | |
1796 | { | |
1797 | struct lpfc_vport *vport = inode->i_private; | |
1798 | struct lpfc_debug *debug; | |
1799 | int rc = -ENOMEM; | |
1800 | ||
1801 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1802 | if (!debug) | |
1803 | goto out; | |
1804 | ||
e59058c4 | 1805 | /* Round to page boundary */ |
858c9f6c JS |
1806 | debug->buffer = kmalloc(LPFC_NODELIST_SIZE, GFP_KERNEL); |
1807 | if (!debug->buffer) { | |
1808 | kfree(debug); | |
1809 | goto out; | |
1810 | } | |
1811 | ||
1812 | debug->len = lpfc_debugfs_nodelist_data(vport, debug->buffer, | |
1813 | LPFC_NODELIST_SIZE); | |
1814 | file->private_data = debug; | |
1815 | ||
1816 | rc = 0; | |
1817 | out: | |
1818 | return rc; | |
1819 | } | |
1820 | ||
e59058c4 | 1821 | /** |
3621a710 | 1822 | * lpfc_debugfs_lseek - Seek through a debugfs file |
e59058c4 JS |
1823 | * @file: The file pointer to seek through. |
1824 | * @off: The offset to seek to or the amount to seek by. | |
1825 | * @whence: Indicates how to seek. | |
1826 | * | |
1827 | * Description: | |
1828 | * This routine is the entry point for the debugfs lseek file operation. The | |
1829 | * @whence parameter indicates whether @off is the offset to directly seek to, | |
1830 | * or if it is a value to seek forward or reverse by. This function figures out | |
1831 | * what the new offset of the debugfs file will be and assigns that value to the | |
1832 | * f_pos field of @file. | |
1833 | * | |
1834 | * Returns: | |
1835 | * This function returns the new offset if successful and returns a negative | |
1836 | * error if unable to process the seek. | |
1837 | **/ | |
858c9f6c JS |
1838 | static loff_t |
1839 | lpfc_debugfs_lseek(struct file *file, loff_t off, int whence) | |
1840 | { | |
7233c774 AV |
1841 | struct lpfc_debug *debug = file->private_data; |
1842 | return fixed_size_llseek(file, off, whence, debug->len); | |
858c9f6c JS |
1843 | } |
1844 | ||
e59058c4 | 1845 | /** |
3621a710 | 1846 | * lpfc_debugfs_read - Read a debugfs file |
e59058c4 JS |
1847 | * @file: The file pointer to read from. |
1848 | * @buf: The buffer to copy the data to. | |
1849 | * @nbytes: The number of bytes to read. | |
1850 | * @ppos: The position in the file to start reading from. | |
1851 | * | |
1852 | * Description: | |
1853 | * This routine reads data from from the buffer indicated in the private_data | |
1854 | * field of @file. It will start reading at @ppos and copy up to @nbytes of | |
1855 | * data to @buf. | |
1856 | * | |
1857 | * Returns: | |
1858 | * This function returns the amount of data that was read (this could be less | |
1859 | * than @nbytes if the end of the file was reached) or a negative error value. | |
1860 | **/ | |
858c9f6c JS |
1861 | static ssize_t |
1862 | lpfc_debugfs_read(struct file *file, char __user *buf, | |
1863 | size_t nbytes, loff_t *ppos) | |
1864 | { | |
1865 | struct lpfc_debug *debug = file->private_data; | |
2a622bfb | 1866 | |
858c9f6c JS |
1867 | return simple_read_from_buffer(buf, nbytes, ppos, debug->buffer, |
1868 | debug->len); | |
1869 | } | |
1870 | ||
e59058c4 | 1871 | /** |
3621a710 | 1872 | * lpfc_debugfs_release - Release the buffer used to store debugfs file data |
e59058c4 JS |
1873 | * @inode: The inode pointer that contains a vport pointer. (unused) |
1874 | * @file: The file pointer that contains the buffer to release. | |
1875 | * | |
1876 | * Description: | |
1877 | * This routine frees the buffer that was allocated when the debugfs file was | |
1878 | * opened. | |
1879 | * | |
1880 | * Returns: | |
1881 | * This function returns zero. | |
1882 | **/ | |
858c9f6c JS |
1883 | static int |
1884 | lpfc_debugfs_release(struct inode *inode, struct file *file) | |
1885 | { | |
1886 | struct lpfc_debug *debug = file->private_data; | |
1887 | ||
1888 | kfree(debug->buffer); | |
1889 | kfree(debug); | |
1890 | ||
1891 | return 0; | |
1892 | } | |
1893 | ||
e2a0a9d6 JS |
1894 | static int |
1895 | lpfc_debugfs_dumpDataDif_release(struct inode *inode, struct file *file) | |
1896 | { | |
1897 | struct lpfc_debug *debug = file->private_data; | |
1898 | ||
1899 | debug->buffer = NULL; | |
1900 | kfree(debug); | |
1901 | ||
1902 | return 0; | |
1903 | } | |
1904 | ||
bd2cdd5e JS |
1905 | |
1906 | static int | |
1907 | lpfc_debugfs_nvmestat_open(struct inode *inode, struct file *file) | |
1908 | { | |
1909 | struct lpfc_vport *vport = inode->i_private; | |
1910 | struct lpfc_debug *debug; | |
1911 | int rc = -ENOMEM; | |
1912 | ||
1913 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1914 | if (!debug) | |
1915 | goto out; | |
1916 | ||
1917 | /* Round to page boundary */ | |
1918 | debug->buffer = kmalloc(LPFC_NVMESTAT_SIZE, GFP_KERNEL); | |
1919 | if (!debug->buffer) { | |
1920 | kfree(debug); | |
1921 | goto out; | |
1922 | } | |
1923 | ||
1924 | debug->len = lpfc_debugfs_nvmestat_data(vport, debug->buffer, | |
1925 | LPFC_NVMESTAT_SIZE); | |
1926 | ||
1927 | debug->i_private = inode->i_private; | |
1928 | file->private_data = debug; | |
1929 | ||
1930 | rc = 0; | |
1931 | out: | |
1932 | return rc; | |
1933 | } | |
1934 | ||
2b65e182 JS |
1935 | static ssize_t |
1936 | lpfc_debugfs_nvmestat_write(struct file *file, const char __user *buf, | |
1937 | size_t nbytes, loff_t *ppos) | |
1938 | { | |
1939 | struct lpfc_debug *debug = file->private_data; | |
1940 | struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private; | |
1941 | struct lpfc_hba *phba = vport->phba; | |
1942 | struct lpfc_nvmet_tgtport *tgtp; | |
1943 | char mybuf[64]; | |
1944 | char *pbuf; | |
1945 | ||
1946 | if (!phba->targetport) | |
1947 | return -ENXIO; | |
1948 | ||
1949 | if (nbytes > 64) | |
1950 | nbytes = 64; | |
1951 | ||
1952 | /* Protect copy from user */ | |
1953 | if (!access_ok(VERIFY_READ, buf, nbytes)) | |
1954 | return -EFAULT; | |
1955 | ||
1956 | memset(mybuf, 0, sizeof(mybuf)); | |
1957 | ||
1958 | if (copy_from_user(mybuf, buf, nbytes)) | |
1959 | return -EFAULT; | |
1960 | pbuf = &mybuf[0]; | |
1961 | ||
1962 | tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; | |
1963 | if ((strncmp(pbuf, "reset", strlen("reset")) == 0) || | |
1964 | (strncmp(pbuf, "zero", strlen("zero")) == 0)) { | |
1965 | atomic_set(&tgtp->rcv_ls_req_in, 0); | |
1966 | atomic_set(&tgtp->rcv_ls_req_out, 0); | |
1967 | atomic_set(&tgtp->rcv_ls_req_drop, 0); | |
1968 | atomic_set(&tgtp->xmt_ls_abort, 0); | |
547077a4 | 1969 | atomic_set(&tgtp->xmt_ls_abort_cmpl, 0); |
2b65e182 JS |
1970 | atomic_set(&tgtp->xmt_ls_rsp, 0); |
1971 | atomic_set(&tgtp->xmt_ls_drop, 0); | |
1972 | atomic_set(&tgtp->xmt_ls_rsp_error, 0); | |
1973 | atomic_set(&tgtp->xmt_ls_rsp_cmpl, 0); | |
1974 | ||
1975 | atomic_set(&tgtp->rcv_fcp_cmd_in, 0); | |
1976 | atomic_set(&tgtp->rcv_fcp_cmd_out, 0); | |
1977 | atomic_set(&tgtp->rcv_fcp_cmd_drop, 0); | |
2b65e182 JS |
1978 | atomic_set(&tgtp->xmt_fcp_drop, 0); |
1979 | atomic_set(&tgtp->xmt_fcp_read_rsp, 0); | |
1980 | atomic_set(&tgtp->xmt_fcp_read, 0); | |
1981 | atomic_set(&tgtp->xmt_fcp_write, 0); | |
1982 | atomic_set(&tgtp->xmt_fcp_rsp, 0); | |
547077a4 | 1983 | atomic_set(&tgtp->xmt_fcp_release, 0); |
2b65e182 JS |
1984 | atomic_set(&tgtp->xmt_fcp_rsp_cmpl, 0); |
1985 | atomic_set(&tgtp->xmt_fcp_rsp_error, 0); | |
1986 | atomic_set(&tgtp->xmt_fcp_rsp_drop, 0); | |
1987 | ||
547077a4 JS |
1988 | atomic_set(&tgtp->xmt_fcp_abort, 0); |
1989 | atomic_set(&tgtp->xmt_fcp_abort_cmpl, 0); | |
1990 | atomic_set(&tgtp->xmt_abort_sol, 0); | |
1991 | atomic_set(&tgtp->xmt_abort_unsol, 0); | |
2b65e182 JS |
1992 | atomic_set(&tgtp->xmt_abort_rsp, 0); |
1993 | atomic_set(&tgtp->xmt_abort_rsp_error, 0); | |
2b65e182 JS |
1994 | } |
1995 | return nbytes; | |
1996 | } | |
1997 | ||
bd2cdd5e JS |
1998 | static int |
1999 | lpfc_debugfs_nvmektime_open(struct inode *inode, struct file *file) | |
2000 | { | |
2001 | struct lpfc_vport *vport = inode->i_private; | |
2002 | struct lpfc_debug *debug; | |
2003 | int rc = -ENOMEM; | |
2004 | ||
2005 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
2006 | if (!debug) | |
2007 | goto out; | |
2008 | ||
2009 | /* Round to page boundary */ | |
2010 | debug->buffer = kmalloc(LPFC_NVMEKTIME_SIZE, GFP_KERNEL); | |
2011 | if (!debug->buffer) { | |
2012 | kfree(debug); | |
2013 | goto out; | |
2014 | } | |
2015 | ||
2016 | debug->len = lpfc_debugfs_nvmektime_data(vport, debug->buffer, | |
2017 | LPFC_NVMEKTIME_SIZE); | |
2018 | ||
2019 | debug->i_private = inode->i_private; | |
2020 | file->private_data = debug; | |
2021 | ||
2022 | rc = 0; | |
2023 | out: | |
2024 | return rc; | |
2025 | } | |
2026 | ||
2027 | static ssize_t | |
2028 | lpfc_debugfs_nvmektime_write(struct file *file, const char __user *buf, | |
2029 | size_t nbytes, loff_t *ppos) | |
2030 | { | |
2031 | struct lpfc_debug *debug = file->private_data; | |
2032 | struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private; | |
2033 | struct lpfc_hba *phba = vport->phba; | |
2034 | char mybuf[64]; | |
2035 | char *pbuf; | |
2036 | ||
2037 | if (nbytes > 64) | |
2038 | nbytes = 64; | |
2039 | ||
2040 | /* Protect copy from user */ | |
2041 | if (!access_ok(VERIFY_READ, buf, nbytes)) | |
2042 | return -EFAULT; | |
2043 | ||
2044 | memset(mybuf, 0, sizeof(mybuf)); | |
2045 | ||
2046 | if (copy_from_user(mybuf, buf, nbytes)) | |
2047 | return -EFAULT; | |
2048 | pbuf = &mybuf[0]; | |
2049 | ||
2050 | if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) { | |
2051 | phba->ktime_data_samples = 0; | |
2052 | phba->ktime_status_samples = 0; | |
2053 | phba->ktime_seg1_total = 0; | |
2054 | phba->ktime_seg1_max = 0; | |
2055 | phba->ktime_seg1_min = 0xffffffff; | |
2056 | phba->ktime_seg2_total = 0; | |
2057 | phba->ktime_seg2_max = 0; | |
2058 | phba->ktime_seg2_min = 0xffffffff; | |
2059 | phba->ktime_seg3_total = 0; | |
2060 | phba->ktime_seg3_max = 0; | |
2061 | phba->ktime_seg3_min = 0xffffffff; | |
2062 | phba->ktime_seg4_total = 0; | |
2063 | phba->ktime_seg4_max = 0; | |
2064 | phba->ktime_seg4_min = 0xffffffff; | |
2065 | phba->ktime_seg5_total = 0; | |
2066 | phba->ktime_seg5_max = 0; | |
2067 | phba->ktime_seg5_min = 0xffffffff; | |
2068 | phba->ktime_seg6_total = 0; | |
2069 | phba->ktime_seg6_max = 0; | |
2070 | phba->ktime_seg6_min = 0xffffffff; | |
2071 | phba->ktime_seg7_total = 0; | |
2072 | phba->ktime_seg7_max = 0; | |
2073 | phba->ktime_seg7_min = 0xffffffff; | |
2074 | phba->ktime_seg8_total = 0; | |
2075 | phba->ktime_seg8_max = 0; | |
2076 | phba->ktime_seg8_min = 0xffffffff; | |
2077 | phba->ktime_seg9_total = 0; | |
2078 | phba->ktime_seg9_max = 0; | |
2079 | phba->ktime_seg9_min = 0xffffffff; | |
2080 | phba->ktime_seg10_total = 0; | |
2081 | phba->ktime_seg10_max = 0; | |
2082 | phba->ktime_seg10_min = 0xffffffff; | |
2083 | ||
2084 | phba->ktime_on = 1; | |
2085 | return strlen(pbuf); | |
2086 | } else if ((strncmp(pbuf, "off", | |
2087 | sizeof("off") - 1) == 0)) { | |
2088 | phba->ktime_on = 0; | |
2089 | return strlen(pbuf); | |
2090 | } else if ((strncmp(pbuf, "zero", | |
2091 | sizeof("zero") - 1) == 0)) { | |
2092 | phba->ktime_data_samples = 0; | |
2093 | phba->ktime_status_samples = 0; | |
2094 | phba->ktime_seg1_total = 0; | |
2095 | phba->ktime_seg1_max = 0; | |
2096 | phba->ktime_seg1_min = 0xffffffff; | |
2097 | phba->ktime_seg2_total = 0; | |
2098 | phba->ktime_seg2_max = 0; | |
2099 | phba->ktime_seg2_min = 0xffffffff; | |
2100 | phba->ktime_seg3_total = 0; | |
2101 | phba->ktime_seg3_max = 0; | |
2102 | phba->ktime_seg3_min = 0xffffffff; | |
2103 | phba->ktime_seg4_total = 0; | |
2104 | phba->ktime_seg4_max = 0; | |
2105 | phba->ktime_seg4_min = 0xffffffff; | |
2106 | phba->ktime_seg5_total = 0; | |
2107 | phba->ktime_seg5_max = 0; | |
2108 | phba->ktime_seg5_min = 0xffffffff; | |
2109 | phba->ktime_seg6_total = 0; | |
2110 | phba->ktime_seg6_max = 0; | |
2111 | phba->ktime_seg6_min = 0xffffffff; | |
2112 | phba->ktime_seg7_total = 0; | |
2113 | phba->ktime_seg7_max = 0; | |
2114 | phba->ktime_seg7_min = 0xffffffff; | |
2115 | phba->ktime_seg8_total = 0; | |
2116 | phba->ktime_seg8_max = 0; | |
2117 | phba->ktime_seg8_min = 0xffffffff; | |
2118 | phba->ktime_seg9_total = 0; | |
2119 | phba->ktime_seg9_max = 0; | |
2120 | phba->ktime_seg9_min = 0xffffffff; | |
2121 | phba->ktime_seg10_total = 0; | |
2122 | phba->ktime_seg10_max = 0; | |
2123 | phba->ktime_seg10_min = 0xffffffff; | |
2124 | return strlen(pbuf); | |
2125 | } | |
2126 | return -EINVAL; | |
2127 | } | |
2128 | ||
2129 | static int | |
2130 | lpfc_debugfs_nvmeio_trc_open(struct inode *inode, struct file *file) | |
2131 | { | |
2132 | struct lpfc_hba *phba = inode->i_private; | |
2133 | struct lpfc_debug *debug; | |
2134 | int rc = -ENOMEM; | |
2135 | ||
2136 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
2137 | if (!debug) | |
2138 | goto out; | |
2139 | ||
2140 | /* Round to page boundary */ | |
2141 | debug->buffer = kmalloc(LPFC_NVMEIO_TRC_SIZE, GFP_KERNEL); | |
2142 | if (!debug->buffer) { | |
2143 | kfree(debug); | |
2144 | goto out; | |
2145 | } | |
2146 | ||
2147 | debug->len = lpfc_debugfs_nvmeio_trc_data(phba, debug->buffer, | |
2148 | LPFC_NVMEIO_TRC_SIZE); | |
2149 | ||
2150 | debug->i_private = inode->i_private; | |
2151 | file->private_data = debug; | |
2152 | ||
2153 | rc = 0; | |
2154 | out: | |
2155 | return rc; | |
2156 | } | |
2157 | ||
2158 | static ssize_t | |
2159 | lpfc_debugfs_nvmeio_trc_write(struct file *file, const char __user *buf, | |
2160 | size_t nbytes, loff_t *ppos) | |
2161 | { | |
2162 | struct lpfc_debug *debug = file->private_data; | |
2163 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
2164 | int i; | |
2165 | unsigned long sz; | |
2166 | char mybuf[64]; | |
2167 | char *pbuf; | |
2168 | ||
2169 | if (nbytes > 64) | |
2170 | nbytes = 64; | |
2171 | ||
2172 | /* Protect copy from user */ | |
2173 | if (!access_ok(VERIFY_READ, buf, nbytes)) | |
2174 | return -EFAULT; | |
2175 | ||
2176 | memset(mybuf, 0, sizeof(mybuf)); | |
2177 | ||
2178 | if (copy_from_user(mybuf, buf, nbytes)) | |
2179 | return -EFAULT; | |
2180 | pbuf = &mybuf[0]; | |
2181 | ||
2182 | if ((strncmp(pbuf, "off", sizeof("off") - 1) == 0)) { | |
2183 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2184 | "0570 nvmeio_trc_off\n"); | |
2185 | phba->nvmeio_trc_output_idx = 0; | |
2186 | phba->nvmeio_trc_on = 0; | |
2187 | return strlen(pbuf); | |
2188 | } else if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) { | |
2189 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2190 | "0571 nvmeio_trc_on\n"); | |
2191 | phba->nvmeio_trc_output_idx = 0; | |
2192 | phba->nvmeio_trc_on = 1; | |
2193 | return strlen(pbuf); | |
2194 | } | |
2195 | ||
2196 | /* We must be off to allocate the trace buffer */ | |
2197 | if (phba->nvmeio_trc_on != 0) | |
2198 | return -EINVAL; | |
2199 | ||
2200 | /* If not on or off, the parameter is the trace buffer size */ | |
2201 | i = kstrtoul(pbuf, 0, &sz); | |
2202 | if (i) | |
2203 | return -EINVAL; | |
2204 | phba->nvmeio_trc_size = (uint32_t)sz; | |
2205 | ||
2206 | /* It must be a power of 2 - round down */ | |
2207 | i = 0; | |
2208 | while (sz > 1) { | |
2209 | sz = sz >> 1; | |
2210 | i++; | |
2211 | } | |
2212 | sz = (1 << i); | |
2213 | if (phba->nvmeio_trc_size != sz) | |
2214 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2215 | "0572 nvmeio_trc_size changed to %ld\n", | |
2216 | sz); | |
2217 | phba->nvmeio_trc_size = (uint32_t)sz; | |
2218 | ||
2219 | /* If one previously exists, free it */ | |
2220 | kfree(phba->nvmeio_trc); | |
2221 | ||
2222 | /* Allocate new trace buffer and initialize */ | |
2223 | phba->nvmeio_trc = kmalloc((sizeof(struct lpfc_debugfs_nvmeio_trc) * | |
2224 | sz), GFP_KERNEL); | |
2225 | if (!phba->nvmeio_trc) { | |
2226 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2227 | "0573 Cannot create debugfs " | |
2228 | "nvmeio_trc buffer\n"); | |
2229 | return -ENOMEM; | |
2230 | } | |
2231 | memset(phba->nvmeio_trc, 0, | |
2232 | (sizeof(struct lpfc_debugfs_nvmeio_trc) * sz)); | |
2233 | atomic_set(&phba->nvmeio_trc_cnt, 0); | |
2234 | phba->nvmeio_trc_on = 0; | |
2235 | phba->nvmeio_trc_output_idx = 0; | |
2236 | ||
2237 | return strlen(pbuf); | |
2238 | } | |
2239 | ||
2240 | static int | |
2241 | lpfc_debugfs_cpucheck_open(struct inode *inode, struct file *file) | |
2242 | { | |
2243 | struct lpfc_vport *vport = inode->i_private; | |
2244 | struct lpfc_debug *debug; | |
2245 | int rc = -ENOMEM; | |
2246 | ||
2247 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
2248 | if (!debug) | |
2249 | goto out; | |
2250 | ||
2251 | /* Round to page boundary */ | |
2252 | debug->buffer = kmalloc(LPFC_CPUCHECK_SIZE, GFP_KERNEL); | |
2253 | if (!debug->buffer) { | |
2254 | kfree(debug); | |
2255 | goto out; | |
2256 | } | |
2257 | ||
2258 | debug->len = lpfc_debugfs_cpucheck_data(vport, debug->buffer, | |
2259 | LPFC_NVMEKTIME_SIZE); | |
2260 | ||
2261 | debug->i_private = inode->i_private; | |
2262 | file->private_data = debug; | |
2263 | ||
2264 | rc = 0; | |
2265 | out: | |
2266 | return rc; | |
2267 | } | |
2268 | ||
2269 | static ssize_t | |
2270 | lpfc_debugfs_cpucheck_write(struct file *file, const char __user *buf, | |
2271 | size_t nbytes, loff_t *ppos) | |
2272 | { | |
2273 | struct lpfc_debug *debug = file->private_data; | |
2274 | struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private; | |
2275 | struct lpfc_hba *phba = vport->phba; | |
2276 | char mybuf[64]; | |
2277 | char *pbuf; | |
2278 | int i; | |
2279 | ||
2280 | if (nbytes > 64) | |
2281 | nbytes = 64; | |
2282 | ||
2283 | /* Protect copy from user */ | |
2284 | if (!access_ok(VERIFY_READ, buf, nbytes)) | |
2285 | return -EFAULT; | |
2286 | ||
2287 | memset(mybuf, 0, sizeof(mybuf)); | |
2288 | ||
2289 | if (copy_from_user(mybuf, buf, nbytes)) | |
2290 | return -EFAULT; | |
2291 | pbuf = &mybuf[0]; | |
2292 | ||
2293 | if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) { | |
2b65e182 JS |
2294 | if (phba->nvmet_support) |
2295 | phba->cpucheck_on |= LPFC_CHECK_NVMET_IO; | |
2296 | else | |
2297 | phba->cpucheck_on |= LPFC_CHECK_NVME_IO; | |
bd2cdd5e JS |
2298 | return strlen(pbuf); |
2299 | } else if ((strncmp(pbuf, "rcv", | |
2300 | sizeof("rcv") - 1) == 0)) { | |
f358dd0c JS |
2301 | if (phba->nvmet_support) |
2302 | phba->cpucheck_on |= LPFC_CHECK_NVMET_RCV; | |
2303 | else | |
2304 | return -EINVAL; | |
2305 | return strlen(pbuf); | |
bd2cdd5e JS |
2306 | } else if ((strncmp(pbuf, "off", |
2307 | sizeof("off") - 1) == 0)) { | |
2308 | phba->cpucheck_on = LPFC_CHECK_OFF; | |
2309 | return strlen(pbuf); | |
2310 | } else if ((strncmp(pbuf, "zero", | |
2311 | sizeof("zero") - 1) == 0)) { | |
2312 | for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { | |
2313 | if (i >= LPFC_CHECK_CPU_CNT) | |
2314 | break; | |
2315 | phba->cpucheck_rcv_io[i] = 0; | |
2316 | phba->cpucheck_xmt_io[i] = 0; | |
2317 | phba->cpucheck_cmpl_io[i] = 0; | |
2318 | phba->cpucheck_ccmpl_io[i] = 0; | |
2319 | } | |
2320 | return strlen(pbuf); | |
2321 | } | |
2322 | return -EINVAL; | |
2323 | } | |
2324 | ||
2a622bfb | 2325 | /* |
86a80846 | 2326 | * --------------------------------- |
2a622bfb | 2327 | * iDiag debugfs file access methods |
86a80846 | 2328 | * --------------------------------- |
2a622bfb | 2329 | * |
86a80846 JS |
2330 | * All access methods are through the proper SLI4 PCI function's debugfs |
2331 | * iDiag directory: | |
2a622bfb | 2332 | * |
86a80846 | 2333 | * /sys/kernel/debug/lpfc/fn<#>/iDiag |
2a622bfb JS |
2334 | */ |
2335 | ||
2336 | /** | |
2337 | * lpfc_idiag_cmd_get - Get and parse idiag debugfs comands from user space | |
2338 | * @buf: The pointer to the user space buffer. | |
2339 | * @nbytes: The number of bytes in the user space buffer. | |
2340 | * @idiag_cmd: pointer to the idiag command struct. | |
2341 | * | |
2342 | * This routine reads data from debugfs user space buffer and parses the | |
2343 | * buffer for getting the idiag command and arguments. The while space in | |
2344 | * between the set of data is used as the parsing separator. | |
2345 | * | |
2346 | * This routine returns 0 when successful, it returns proper error code | |
2347 | * back to the user space in error conditions. | |
2348 | */ | |
2349 | static int lpfc_idiag_cmd_get(const char __user *buf, size_t nbytes, | |
2350 | struct lpfc_idiag_cmd *idiag_cmd) | |
2351 | { | |
2352 | char mybuf[64]; | |
2353 | char *pbuf, *step_str; | |
b11d48e8 SB |
2354 | int i; |
2355 | size_t bsize; | |
2a622bfb JS |
2356 | |
2357 | /* Protect copy from user */ | |
2358 | if (!access_ok(VERIFY_READ, buf, nbytes)) | |
2359 | return -EFAULT; | |
2360 | ||
2361 | memset(mybuf, 0, sizeof(mybuf)); | |
2362 | memset(idiag_cmd, 0, sizeof(*idiag_cmd)); | |
2363 | bsize = min(nbytes, (sizeof(mybuf)-1)); | |
2364 | ||
2365 | if (copy_from_user(mybuf, buf, bsize)) | |
2366 | return -EFAULT; | |
2367 | pbuf = &mybuf[0]; | |
2368 | step_str = strsep(&pbuf, "\t "); | |
2369 | ||
2370 | /* The opcode must present */ | |
2371 | if (!step_str) | |
2372 | return -EINVAL; | |
2373 | ||
2374 | idiag_cmd->opcode = simple_strtol(step_str, NULL, 0); | |
2375 | if (idiag_cmd->opcode == 0) | |
2376 | return -EINVAL; | |
2377 | ||
2378 | for (i = 0; i < LPFC_IDIAG_CMD_DATA_SIZE; i++) { | |
2379 | step_str = strsep(&pbuf, "\t "); | |
2380 | if (!step_str) | |
86a80846 | 2381 | return i; |
2a622bfb JS |
2382 | idiag_cmd->data[i] = simple_strtol(step_str, NULL, 0); |
2383 | } | |
86a80846 | 2384 | return i; |
2a622bfb JS |
2385 | } |
2386 | ||
2387 | /** | |
2388 | * lpfc_idiag_open - idiag open debugfs | |
2389 | * @inode: The inode pointer that contains a pointer to phba. | |
2390 | * @file: The file pointer to attach the file operation. | |
2391 | * | |
2392 | * Description: | |
2393 | * This routine is the entry point for the debugfs open file operation. It | |
2394 | * gets the reference to phba from the i_private field in @inode, it then | |
2395 | * allocates buffer for the file operation, performs the necessary PCI config | |
2396 | * space read into the allocated buffer according to the idiag user command | |
2397 | * setup, and then returns a pointer to buffer in the private_data field in | |
2398 | * @file. | |
2399 | * | |
2400 | * Returns: | |
2401 | * This function returns zero if successful. On error it will return an | |
2402 | * negative error value. | |
2403 | **/ | |
2404 | static int | |
2405 | lpfc_idiag_open(struct inode *inode, struct file *file) | |
2406 | { | |
2407 | struct lpfc_debug *debug; | |
2408 | ||
2409 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
2410 | if (!debug) | |
2411 | return -ENOMEM; | |
2412 | ||
2413 | debug->i_private = inode->i_private; | |
2414 | debug->buffer = NULL; | |
2415 | file->private_data = debug; | |
2416 | ||
2417 | return 0; | |
2418 | } | |
2419 | ||
2420 | /** | |
2421 | * lpfc_idiag_release - Release idiag access file operation | |
2422 | * @inode: The inode pointer that contains a vport pointer. (unused) | |
2423 | * @file: The file pointer that contains the buffer to release. | |
2424 | * | |
2425 | * Description: | |
2426 | * This routine is the generic release routine for the idiag access file | |
2427 | * operation, it frees the buffer that was allocated when the debugfs file | |
2428 | * was opened. | |
2429 | * | |
2430 | * Returns: | |
2431 | * This function returns zero. | |
2432 | **/ | |
2433 | static int | |
2434 | lpfc_idiag_release(struct inode *inode, struct file *file) | |
2435 | { | |
2436 | struct lpfc_debug *debug = file->private_data; | |
2437 | ||
2438 | /* Free the buffers to the file operation */ | |
2439 | kfree(debug->buffer); | |
2440 | kfree(debug); | |
2441 | ||
2442 | return 0; | |
2443 | } | |
2444 | ||
2445 | /** | |
2446 | * lpfc_idiag_cmd_release - Release idiag cmd access file operation | |
2447 | * @inode: The inode pointer that contains a vport pointer. (unused) | |
2448 | * @file: The file pointer that contains the buffer to release. | |
2449 | * | |
2450 | * Description: | |
2451 | * This routine frees the buffer that was allocated when the debugfs file | |
2452 | * was opened. It also reset the fields in the idiag command struct in the | |
86a80846 | 2453 | * case of command for write operation. |
2a622bfb JS |
2454 | * |
2455 | * Returns: | |
2456 | * This function returns zero. | |
2457 | **/ | |
2458 | static int | |
2459 | lpfc_idiag_cmd_release(struct inode *inode, struct file *file) | |
2460 | { | |
2461 | struct lpfc_debug *debug = file->private_data; | |
2462 | ||
86a80846 JS |
2463 | if (debug->op == LPFC_IDIAG_OP_WR) { |
2464 | switch (idiag.cmd.opcode) { | |
2465 | case LPFC_IDIAG_CMD_PCICFG_WR: | |
2466 | case LPFC_IDIAG_CMD_PCICFG_ST: | |
2467 | case LPFC_IDIAG_CMD_PCICFG_CL: | |
2468 | case LPFC_IDIAG_CMD_QUEACC_WR: | |
2469 | case LPFC_IDIAG_CMD_QUEACC_ST: | |
2470 | case LPFC_IDIAG_CMD_QUEACC_CL: | |
2a622bfb | 2471 | memset(&idiag, 0, sizeof(idiag)); |
86a80846 JS |
2472 | break; |
2473 | default: | |
2474 | break; | |
2475 | } | |
2476 | } | |
2a622bfb JS |
2477 | |
2478 | /* Free the buffers to the file operation */ | |
2479 | kfree(debug->buffer); | |
2480 | kfree(debug); | |
2481 | ||
2482 | return 0; | |
2483 | } | |
2484 | ||
2485 | /** | |
2486 | * lpfc_idiag_pcicfg_read - idiag debugfs read pcicfg | |
2487 | * @file: The file pointer to read from. | |
2488 | * @buf: The buffer to copy the data to. | |
2489 | * @nbytes: The number of bytes to read. | |
2490 | * @ppos: The position in the file to start reading from. | |
2491 | * | |
2492 | * Description: | |
2493 | * This routine reads data from the @phba pci config space according to the | |
2494 | * idiag command, and copies to user @buf. Depending on the PCI config space | |
2495 | * read command setup, it does either a single register read of a byte | |
2496 | * (8 bits), a word (16 bits), or a dword (32 bits) or browsing through all | |
2497 | * registers from the 4K extended PCI config space. | |
2498 | * | |
2499 | * Returns: | |
2500 | * This function returns the amount of data that was read (this could be less | |
2501 | * than @nbytes if the end of the file was reached) or a negative error value. | |
2502 | **/ | |
2503 | static ssize_t | |
2504 | lpfc_idiag_pcicfg_read(struct file *file, char __user *buf, size_t nbytes, | |
2505 | loff_t *ppos) | |
2506 | { | |
2507 | struct lpfc_debug *debug = file->private_data; | |
2508 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
2509 | int offset_label, offset, len = 0, index = LPFC_PCI_CFG_RD_SIZE; | |
2510 | int where, count; | |
2511 | char *pbuffer; | |
2512 | struct pci_dev *pdev; | |
2513 | uint32_t u32val; | |
2514 | uint16_t u16val; | |
2515 | uint8_t u8val; | |
2516 | ||
2517 | pdev = phba->pcidev; | |
2518 | if (!pdev) | |
2519 | return 0; | |
2520 | ||
2521 | /* This is a user read operation */ | |
2522 | debug->op = LPFC_IDIAG_OP_RD; | |
2523 | ||
2524 | if (!debug->buffer) | |
2525 | debug->buffer = kmalloc(LPFC_PCI_CFG_SIZE, GFP_KERNEL); | |
2526 | if (!debug->buffer) | |
2527 | return 0; | |
2528 | pbuffer = debug->buffer; | |
2529 | ||
2530 | if (*ppos) | |
2531 | return 0; | |
2532 | ||
2533 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) { | |
b76f2dc9 JS |
2534 | where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX]; |
2535 | count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX]; | |
2a622bfb JS |
2536 | } else |
2537 | return 0; | |
2538 | ||
2539 | /* Read single PCI config space register */ | |
2540 | switch (count) { | |
2541 | case SIZE_U8: /* byte (8 bits) */ | |
2542 | pci_read_config_byte(pdev, where, &u8val); | |
2543 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
2544 | "%03x: %02x\n", where, u8val); | |
2545 | break; | |
2546 | case SIZE_U16: /* word (16 bits) */ | |
2547 | pci_read_config_word(pdev, where, &u16val); | |
2548 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
2549 | "%03x: %04x\n", where, u16val); | |
2550 | break; | |
2551 | case SIZE_U32: /* double word (32 bits) */ | |
2552 | pci_read_config_dword(pdev, where, &u32val); | |
2553 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
2554 | "%03x: %08x\n", where, u32val); | |
2555 | break; | |
86a80846 | 2556 | case LPFC_PCI_CFG_BROWSE: /* browse all */ |
2a622bfb JS |
2557 | goto pcicfg_browse; |
2558 | break; | |
2559 | default: | |
2560 | /* illegal count */ | |
2561 | len = 0; | |
2562 | break; | |
2563 | } | |
2564 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
2565 | ||
2566 | pcicfg_browse: | |
2567 | ||
2568 | /* Browse all PCI config space registers */ | |
2569 | offset_label = idiag.offset.last_rd; | |
2570 | offset = offset_label; | |
2571 | ||
2572 | /* Read PCI config space */ | |
2573 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
2574 | "%03x: ", offset_label); | |
2575 | while (index > 0) { | |
2576 | pci_read_config_dword(pdev, offset, &u32val); | |
2577 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
2578 | "%08x ", u32val); | |
2579 | offset += sizeof(uint32_t); | |
b76f2dc9 JS |
2580 | if (offset >= LPFC_PCI_CFG_SIZE) { |
2581 | len += snprintf(pbuffer+len, | |
2582 | LPFC_PCI_CFG_SIZE-len, "\n"); | |
2583 | break; | |
2584 | } | |
2a622bfb JS |
2585 | index -= sizeof(uint32_t); |
2586 | if (!index) | |
2587 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
2588 | "\n"); | |
2589 | else if (!(index % (8 * sizeof(uint32_t)))) { | |
2590 | offset_label += (8 * sizeof(uint32_t)); | |
2591 | len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, | |
2592 | "\n%03x: ", offset_label); | |
2593 | } | |
2594 | } | |
2595 | ||
2596 | /* Set up the offset for next portion of pci cfg read */ | |
b76f2dc9 JS |
2597 | if (index == 0) { |
2598 | idiag.offset.last_rd += LPFC_PCI_CFG_RD_SIZE; | |
2599 | if (idiag.offset.last_rd >= LPFC_PCI_CFG_SIZE) | |
2600 | idiag.offset.last_rd = 0; | |
2601 | } else | |
2a622bfb JS |
2602 | idiag.offset.last_rd = 0; |
2603 | ||
2604 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
2605 | } | |
2606 | ||
2607 | /** | |
2608 | * lpfc_idiag_pcicfg_write - Syntax check and set up idiag pcicfg commands | |
2609 | * @file: The file pointer to read from. | |
2610 | * @buf: The buffer to copy the user data from. | |
2611 | * @nbytes: The number of bytes to get. | |
2612 | * @ppos: The position in the file to start reading from. | |
2613 | * | |
2614 | * This routine get the debugfs idiag command struct from user space and | |
2615 | * then perform the syntax check for PCI config space read or write command | |
2616 | * accordingly. In the case of PCI config space read command, it sets up | |
2617 | * the command in the idiag command struct for the debugfs read operation. | |
2618 | * In the case of PCI config space write operation, it executes the write | |
2619 | * operation into the PCI config space accordingly. | |
2620 | * | |
2621 | * It returns the @nbytges passing in from debugfs user space when successful. | |
2622 | * In case of error conditions, it returns proper error code back to the user | |
2623 | * space. | |
2624 | */ | |
2625 | static ssize_t | |
2626 | lpfc_idiag_pcicfg_write(struct file *file, const char __user *buf, | |
2627 | size_t nbytes, loff_t *ppos) | |
2628 | { | |
2629 | struct lpfc_debug *debug = file->private_data; | |
2630 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
2631 | uint32_t where, value, count; | |
2632 | uint32_t u32val; | |
2633 | uint16_t u16val; | |
2634 | uint8_t u8val; | |
2635 | struct pci_dev *pdev; | |
2636 | int rc; | |
2637 | ||
2638 | pdev = phba->pcidev; | |
2639 | if (!pdev) | |
2640 | return -EFAULT; | |
2641 | ||
2642 | /* This is a user write operation */ | |
2643 | debug->op = LPFC_IDIAG_OP_WR; | |
2644 | ||
2645 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
86a80846 | 2646 | if (rc < 0) |
2a622bfb JS |
2647 | return rc; |
2648 | ||
2649 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) { | |
86a80846 JS |
2650 | /* Sanity check on PCI config read command line arguments */ |
2651 | if (rc != LPFC_PCI_CFG_RD_CMD_ARG) | |
2652 | goto error_out; | |
2a622bfb | 2653 | /* Read command from PCI config space, set up command fields */ |
b76f2dc9 JS |
2654 | where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX]; |
2655 | count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX]; | |
86a80846 JS |
2656 | if (count == LPFC_PCI_CFG_BROWSE) { |
2657 | if (where % sizeof(uint32_t)) | |
2a622bfb | 2658 | goto error_out; |
86a80846 JS |
2659 | /* Starting offset to browse */ |
2660 | idiag.offset.last_rd = where; | |
2a622bfb JS |
2661 | } else if ((count != sizeof(uint8_t)) && |
2662 | (count != sizeof(uint16_t)) && | |
2663 | (count != sizeof(uint32_t))) | |
2664 | goto error_out; | |
2665 | if (count == sizeof(uint8_t)) { | |
2666 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t)) | |
2667 | goto error_out; | |
2668 | if (where % sizeof(uint8_t)) | |
2669 | goto error_out; | |
2670 | } | |
2671 | if (count == sizeof(uint16_t)) { | |
2672 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t)) | |
2673 | goto error_out; | |
2674 | if (where % sizeof(uint16_t)) | |
2675 | goto error_out; | |
2676 | } | |
2677 | if (count == sizeof(uint32_t)) { | |
2678 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t)) | |
2679 | goto error_out; | |
2680 | if (where % sizeof(uint32_t)) | |
2681 | goto error_out; | |
2682 | } | |
2683 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR || | |
2684 | idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST || | |
2685 | idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) { | |
86a80846 JS |
2686 | /* Sanity check on PCI config write command line arguments */ |
2687 | if (rc != LPFC_PCI_CFG_WR_CMD_ARG) | |
2688 | goto error_out; | |
2a622bfb | 2689 | /* Write command to PCI config space, read-modify-write */ |
b76f2dc9 JS |
2690 | where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX]; |
2691 | count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX]; | |
2692 | value = idiag.cmd.data[IDIAG_PCICFG_VALUE_INDX]; | |
2a622bfb JS |
2693 | /* Sanity checks */ |
2694 | if ((count != sizeof(uint8_t)) && | |
2695 | (count != sizeof(uint16_t)) && | |
2696 | (count != sizeof(uint32_t))) | |
2697 | goto error_out; | |
2698 | if (count == sizeof(uint8_t)) { | |
2699 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t)) | |
2700 | goto error_out; | |
2701 | if (where % sizeof(uint8_t)) | |
2702 | goto error_out; | |
2703 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR) | |
2704 | pci_write_config_byte(pdev, where, | |
2705 | (uint8_t)value); | |
2706 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) { | |
2707 | rc = pci_read_config_byte(pdev, where, &u8val); | |
2708 | if (!rc) { | |
2709 | u8val |= (uint8_t)value; | |
2710 | pci_write_config_byte(pdev, where, | |
2711 | u8val); | |
2712 | } | |
2713 | } | |
2714 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) { | |
2715 | rc = pci_read_config_byte(pdev, where, &u8val); | |
2716 | if (!rc) { | |
2717 | u8val &= (uint8_t)(~value); | |
2718 | pci_write_config_byte(pdev, where, | |
2719 | u8val); | |
2720 | } | |
2721 | } | |
2722 | } | |
2723 | if (count == sizeof(uint16_t)) { | |
2724 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t)) | |
2725 | goto error_out; | |
2726 | if (where % sizeof(uint16_t)) | |
2727 | goto error_out; | |
2728 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR) | |
2729 | pci_write_config_word(pdev, where, | |
2730 | (uint16_t)value); | |
2731 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) { | |
2732 | rc = pci_read_config_word(pdev, where, &u16val); | |
2733 | if (!rc) { | |
2734 | u16val |= (uint16_t)value; | |
2735 | pci_write_config_word(pdev, where, | |
2736 | u16val); | |
2737 | } | |
2738 | } | |
2739 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) { | |
2740 | rc = pci_read_config_word(pdev, where, &u16val); | |
2741 | if (!rc) { | |
2742 | u16val &= (uint16_t)(~value); | |
2743 | pci_write_config_word(pdev, where, | |
2744 | u16val); | |
2745 | } | |
2746 | } | |
2747 | } | |
2748 | if (count == sizeof(uint32_t)) { | |
2749 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t)) | |
2750 | goto error_out; | |
2751 | if (where % sizeof(uint32_t)) | |
2752 | goto error_out; | |
2753 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR) | |
2754 | pci_write_config_dword(pdev, where, value); | |
2755 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) { | |
2756 | rc = pci_read_config_dword(pdev, where, | |
2757 | &u32val); | |
2758 | if (!rc) { | |
2759 | u32val |= value; | |
2760 | pci_write_config_dword(pdev, where, | |
2761 | u32val); | |
2762 | } | |
2763 | } | |
2764 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) { | |
2765 | rc = pci_read_config_dword(pdev, where, | |
2766 | &u32val); | |
2767 | if (!rc) { | |
2768 | u32val &= ~value; | |
2769 | pci_write_config_dword(pdev, where, | |
2770 | u32val); | |
2771 | } | |
2772 | } | |
2773 | } | |
2774 | } else | |
2775 | /* All other opecodes are illegal for now */ | |
2776 | goto error_out; | |
2777 | ||
2778 | return nbytes; | |
2779 | error_out: | |
2780 | memset(&idiag, 0, sizeof(idiag)); | |
2781 | return -EINVAL; | |
2782 | } | |
2783 | ||
b76f2dc9 JS |
2784 | /** |
2785 | * lpfc_idiag_baracc_read - idiag debugfs pci bar access read | |
2786 | * @file: The file pointer to read from. | |
2787 | * @buf: The buffer to copy the data to. | |
2788 | * @nbytes: The number of bytes to read. | |
2789 | * @ppos: The position in the file to start reading from. | |
2790 | * | |
2791 | * Description: | |
2792 | * This routine reads data from the @phba pci bar memory mapped space | |
2793 | * according to the idiag command, and copies to user @buf. | |
2794 | * | |
2795 | * Returns: | |
2796 | * This function returns the amount of data that was read (this could be less | |
2797 | * than @nbytes if the end of the file was reached) or a negative error value. | |
2798 | **/ | |
2799 | static ssize_t | |
2800 | lpfc_idiag_baracc_read(struct file *file, char __user *buf, size_t nbytes, | |
2801 | loff_t *ppos) | |
2802 | { | |
2803 | struct lpfc_debug *debug = file->private_data; | |
2804 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
2805 | int offset_label, offset, offset_run, len = 0, index; | |
2806 | int bar_num, acc_range, bar_size; | |
2807 | char *pbuffer; | |
2808 | void __iomem *mem_mapped_bar; | |
2809 | uint32_t if_type; | |
2810 | struct pci_dev *pdev; | |
2811 | uint32_t u32val; | |
2812 | ||
2813 | pdev = phba->pcidev; | |
2814 | if (!pdev) | |
2815 | return 0; | |
2816 | ||
2817 | /* This is a user read operation */ | |
2818 | debug->op = LPFC_IDIAG_OP_RD; | |
2819 | ||
2820 | if (!debug->buffer) | |
2821 | debug->buffer = kmalloc(LPFC_PCI_BAR_RD_BUF_SIZE, GFP_KERNEL); | |
2822 | if (!debug->buffer) | |
2823 | return 0; | |
2824 | pbuffer = debug->buffer; | |
2825 | ||
2826 | if (*ppos) | |
2827 | return 0; | |
2828 | ||
2829 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) { | |
2830 | bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX]; | |
2831 | offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX]; | |
2832 | acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX]; | |
2833 | bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX]; | |
2834 | } else | |
2835 | return 0; | |
2836 | ||
2837 | if (acc_range == 0) | |
2838 | return 0; | |
2839 | ||
2840 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
2841 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) { | |
2842 | if (bar_num == IDIAG_BARACC_BAR_0) | |
2843 | mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p; | |
2844 | else if (bar_num == IDIAG_BARACC_BAR_1) | |
2845 | mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p; | |
2846 | else if (bar_num == IDIAG_BARACC_BAR_2) | |
2847 | mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p; | |
2848 | else | |
2849 | return 0; | |
2850 | } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
2851 | if (bar_num == IDIAG_BARACC_BAR_0) | |
2852 | mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p; | |
2853 | else | |
2854 | return 0; | |
2855 | } else | |
2856 | return 0; | |
2857 | ||
2858 | /* Read single PCI bar space register */ | |
2859 | if (acc_range == SINGLE_WORD) { | |
2860 | offset_run = offset; | |
2861 | u32val = readl(mem_mapped_bar + offset_run); | |
2862 | len += snprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len, | |
2863 | "%05x: %08x\n", offset_run, u32val); | |
2864 | } else | |
2865 | goto baracc_browse; | |
2866 | ||
2867 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
2868 | ||
2869 | baracc_browse: | |
2870 | ||
2871 | /* Browse all PCI bar space registers */ | |
2872 | offset_label = idiag.offset.last_rd; | |
2873 | offset_run = offset_label; | |
2874 | ||
2875 | /* Read PCI bar memory mapped space */ | |
2876 | len += snprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len, | |
2877 | "%05x: ", offset_label); | |
2878 | index = LPFC_PCI_BAR_RD_SIZE; | |
2879 | while (index > 0) { | |
2880 | u32val = readl(mem_mapped_bar + offset_run); | |
2881 | len += snprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len, | |
2882 | "%08x ", u32val); | |
2883 | offset_run += sizeof(uint32_t); | |
2884 | if (acc_range == LPFC_PCI_BAR_BROWSE) { | |
2885 | if (offset_run >= bar_size) { | |
2886 | len += snprintf(pbuffer+len, | |
2887 | LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n"); | |
2888 | break; | |
2889 | } | |
2890 | } else { | |
2891 | if (offset_run >= offset + | |
2892 | (acc_range * sizeof(uint32_t))) { | |
2893 | len += snprintf(pbuffer+len, | |
2894 | LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n"); | |
2895 | break; | |
2896 | } | |
2897 | } | |
2898 | index -= sizeof(uint32_t); | |
2899 | if (!index) | |
2900 | len += snprintf(pbuffer+len, | |
2901 | LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n"); | |
2902 | else if (!(index % (8 * sizeof(uint32_t)))) { | |
2903 | offset_label += (8 * sizeof(uint32_t)); | |
2904 | len += snprintf(pbuffer+len, | |
2905 | LPFC_PCI_BAR_RD_BUF_SIZE-len, | |
2906 | "\n%05x: ", offset_label); | |
2907 | } | |
2908 | } | |
2909 | ||
2910 | /* Set up the offset for next portion of pci bar read */ | |
2911 | if (index == 0) { | |
2912 | idiag.offset.last_rd += LPFC_PCI_BAR_RD_SIZE; | |
2913 | if (acc_range == LPFC_PCI_BAR_BROWSE) { | |
2914 | if (idiag.offset.last_rd >= bar_size) | |
2915 | idiag.offset.last_rd = 0; | |
2916 | } else { | |
2917 | if (offset_run >= offset + | |
2918 | (acc_range * sizeof(uint32_t))) | |
2919 | idiag.offset.last_rd = offset; | |
2920 | } | |
2921 | } else { | |
2922 | if (acc_range == LPFC_PCI_BAR_BROWSE) | |
2923 | idiag.offset.last_rd = 0; | |
2924 | else | |
2925 | idiag.offset.last_rd = offset; | |
2926 | } | |
2927 | ||
2928 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
2929 | } | |
2930 | ||
2931 | /** | |
2932 | * lpfc_idiag_baracc_write - Syntax check and set up idiag bar access commands | |
2933 | * @file: The file pointer to read from. | |
2934 | * @buf: The buffer to copy the user data from. | |
2935 | * @nbytes: The number of bytes to get. | |
2936 | * @ppos: The position in the file to start reading from. | |
2937 | * | |
2938 | * This routine get the debugfs idiag command struct from user space and | |
2939 | * then perform the syntax check for PCI bar memory mapped space read or | |
2940 | * write command accordingly. In the case of PCI bar memory mapped space | |
2941 | * read command, it sets up the command in the idiag command struct for | |
2942 | * the debugfs read operation. In the case of PCI bar memorpy mapped space | |
2943 | * write operation, it executes the write operation into the PCI bar memory | |
2944 | * mapped space accordingly. | |
2945 | * | |
2946 | * It returns the @nbytges passing in from debugfs user space when successful. | |
2947 | * In case of error conditions, it returns proper error code back to the user | |
2948 | * space. | |
2949 | */ | |
2950 | static ssize_t | |
2951 | lpfc_idiag_baracc_write(struct file *file, const char __user *buf, | |
2952 | size_t nbytes, loff_t *ppos) | |
2953 | { | |
2954 | struct lpfc_debug *debug = file->private_data; | |
2955 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
2956 | uint32_t bar_num, bar_size, offset, value, acc_range; | |
2957 | struct pci_dev *pdev; | |
2958 | void __iomem *mem_mapped_bar; | |
2959 | uint32_t if_type; | |
2960 | uint32_t u32val; | |
2961 | int rc; | |
2962 | ||
2963 | pdev = phba->pcidev; | |
2964 | if (!pdev) | |
2965 | return -EFAULT; | |
2966 | ||
2967 | /* This is a user write operation */ | |
2968 | debug->op = LPFC_IDIAG_OP_WR; | |
2969 | ||
2970 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
2971 | if (rc < 0) | |
2972 | return rc; | |
2973 | ||
2974 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
2975 | bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX]; | |
2976 | ||
2977 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) { | |
2978 | if ((bar_num != IDIAG_BARACC_BAR_0) && | |
2979 | (bar_num != IDIAG_BARACC_BAR_1) && | |
2980 | (bar_num != IDIAG_BARACC_BAR_2)) | |
2981 | goto error_out; | |
2982 | } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
2983 | if (bar_num != IDIAG_BARACC_BAR_0) | |
2984 | goto error_out; | |
2985 | } else | |
2986 | goto error_out; | |
2987 | ||
2988 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) { | |
2989 | if (bar_num == IDIAG_BARACC_BAR_0) { | |
2990 | idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] = | |
2991 | LPFC_PCI_IF0_BAR0_SIZE; | |
2992 | mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p; | |
2993 | } else if (bar_num == IDIAG_BARACC_BAR_1) { | |
2994 | idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] = | |
2995 | LPFC_PCI_IF0_BAR1_SIZE; | |
2996 | mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p; | |
2997 | } else if (bar_num == IDIAG_BARACC_BAR_2) { | |
2998 | idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] = | |
2999 | LPFC_PCI_IF0_BAR2_SIZE; | |
3000 | mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p; | |
3001 | } else | |
3002 | goto error_out; | |
3003 | } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
3004 | if (bar_num == IDIAG_BARACC_BAR_0) { | |
3005 | idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] = | |
3006 | LPFC_PCI_IF2_BAR0_SIZE; | |
3007 | mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p; | |
3008 | } else | |
3009 | goto error_out; | |
3010 | } else | |
3011 | goto error_out; | |
3012 | ||
3013 | offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX]; | |
3014 | if (offset % sizeof(uint32_t)) | |
3015 | goto error_out; | |
3016 | ||
3017 | bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX]; | |
3018 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) { | |
3019 | /* Sanity check on PCI config read command line arguments */ | |
3020 | if (rc != LPFC_PCI_BAR_RD_CMD_ARG) | |
3021 | goto error_out; | |
3022 | acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX]; | |
3023 | if (acc_range == LPFC_PCI_BAR_BROWSE) { | |
3024 | if (offset > bar_size - sizeof(uint32_t)) | |
3025 | goto error_out; | |
3026 | /* Starting offset to browse */ | |
3027 | idiag.offset.last_rd = offset; | |
3028 | } else if (acc_range > SINGLE_WORD) { | |
3029 | if (offset + acc_range * sizeof(uint32_t) > bar_size) | |
3030 | goto error_out; | |
3031 | /* Starting offset to browse */ | |
3032 | idiag.offset.last_rd = offset; | |
3033 | } else if (acc_range != SINGLE_WORD) | |
3034 | goto error_out; | |
3035 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR || | |
3036 | idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST || | |
3037 | idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) { | |
3038 | /* Sanity check on PCI bar write command line arguments */ | |
3039 | if (rc != LPFC_PCI_BAR_WR_CMD_ARG) | |
3040 | goto error_out; | |
3041 | /* Write command to PCI bar space, read-modify-write */ | |
3042 | acc_range = SINGLE_WORD; | |
3043 | value = idiag.cmd.data[IDIAG_BARACC_REG_VAL_INDX]; | |
3044 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR) { | |
3045 | writel(value, mem_mapped_bar + offset); | |
3046 | readl(mem_mapped_bar + offset); | |
3047 | } | |
3048 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST) { | |
3049 | u32val = readl(mem_mapped_bar + offset); | |
3050 | u32val |= value; | |
3051 | writel(u32val, mem_mapped_bar + offset); | |
3052 | readl(mem_mapped_bar + offset); | |
3053 | } | |
3054 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) { | |
3055 | u32val = readl(mem_mapped_bar + offset); | |
3056 | u32val &= ~value; | |
3057 | writel(u32val, mem_mapped_bar + offset); | |
3058 | readl(mem_mapped_bar + offset); | |
3059 | } | |
3060 | } else | |
3061 | /* All other opecodes are illegal for now */ | |
3062 | goto error_out; | |
3063 | ||
3064 | return nbytes; | |
3065 | error_out: | |
3066 | memset(&idiag, 0, sizeof(idiag)); | |
3067 | return -EINVAL; | |
3068 | } | |
3069 | ||
07bcd98e JS |
3070 | static int |
3071 | __lpfc_idiag_print_wq(struct lpfc_queue *qp, char *wqtype, | |
3072 | char *pbuffer, int len) | |
3073 | { | |
3074 | if (!qp) | |
3075 | return len; | |
3076 | ||
3077 | len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, | |
3078 | "\t\t%s WQ info: ", wqtype); | |
3079 | len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, | |
3080 | "AssocCQID[%04d]: WQ-STAT[oflow:x%x posted:x%llx]\n", | |
3081 | qp->assoc_qid, qp->q_cnt_1, | |
3082 | (unsigned long long)qp->q_cnt_4); | |
3083 | len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, | |
7869da18 JS |
3084 | "\t\tWQID[%02d], QE-CNT[%04d], QE-SZ[%04d], " |
3085 | "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]", | |
07bcd98e JS |
3086 | qp->queue_id, qp->entry_count, |
3087 | qp->entry_size, qp->host_index, | |
7869da18 | 3088 | qp->hba_index, qp->entry_repost); |
07bcd98e JS |
3089 | len += snprintf(pbuffer + len, |
3090 | LPFC_QUE_INFO_GET_BUF_SIZE - len, "\n"); | |
3091 | return len; | |
3092 | } | |
3093 | ||
3094 | static int | |
3095 | lpfc_idiag_wqs_for_cq(struct lpfc_hba *phba, char *wqtype, char *pbuffer, | |
3096 | int *len, int max_cnt, int cq_id) | |
3097 | { | |
3098 | struct lpfc_queue *qp; | |
3099 | int qidx; | |
3100 | ||
3101 | for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) { | |
3102 | qp = phba->sli4_hba.fcp_wq[qidx]; | |
3103 | if (qp->assoc_qid != cq_id) | |
3104 | continue; | |
3105 | *len = __lpfc_idiag_print_wq(qp, wqtype, pbuffer, *len); | |
3106 | if (*len >= max_cnt) | |
3107 | return 1; | |
3108 | } | |
895427bd JS |
3109 | for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) { |
3110 | qp = phba->sli4_hba.nvme_wq[qidx]; | |
3111 | if (qp->assoc_qid != cq_id) | |
3112 | continue; | |
3113 | *len = __lpfc_idiag_print_wq(qp, wqtype, pbuffer, *len); | |
3114 | if (*len >= max_cnt) | |
3115 | return 1; | |
3116 | } | |
07bcd98e JS |
3117 | return 0; |
3118 | } | |
3119 | ||
3120 | static int | |
3121 | __lpfc_idiag_print_cq(struct lpfc_queue *qp, char *cqtype, | |
3122 | char *pbuffer, int len) | |
3123 | { | |
3124 | if (!qp) | |
3125 | return len; | |
3126 | ||
3127 | len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, | |
3128 | "\t%s CQ info: ", cqtype); | |
3129 | len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, | |
3130 | "AssocEQID[%02d]: CQ STAT[max:x%x relw:x%x " | |
3131 | "xabt:x%x wq:x%llx]\n", | |
3132 | qp->assoc_qid, qp->q_cnt_1, qp->q_cnt_2, | |
3133 | qp->q_cnt_3, (unsigned long long)qp->q_cnt_4); | |
3134 | len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, | |
7869da18 JS |
3135 | "\tCQID[%02d], QE-CNT[%04d], QE-SZ[%04d], " |
3136 | "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]", | |
07bcd98e JS |
3137 | qp->queue_id, qp->entry_count, |
3138 | qp->entry_size, qp->host_index, | |
7869da18 | 3139 | qp->hba_index, qp->entry_repost); |
07bcd98e JS |
3140 | |
3141 | len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, "\n"); | |
3142 | ||
3143 | return len; | |
3144 | } | |
3145 | ||
3146 | static int | |
3147 | __lpfc_idiag_print_rqpair(struct lpfc_queue *qp, struct lpfc_queue *datqp, | |
3148 | char *rqtype, char *pbuffer, int len) | |
3149 | { | |
3150 | if (!qp || !datqp) | |
3151 | return len; | |
3152 | ||
3153 | len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, | |
3154 | "\t\t%s RQ info: ", rqtype); | |
3155 | len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, | |
3156 | "AssocCQID[%02d]: RQ-STAT[nopost:x%x nobuf:x%x " | |
547077a4 | 3157 | "posted:x%x rcv:x%llx]\n", |
07bcd98e JS |
3158 | qp->assoc_qid, qp->q_cnt_1, qp->q_cnt_2, |
3159 | qp->q_cnt_3, (unsigned long long)qp->q_cnt_4); | |
3160 | len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, | |
7869da18 JS |
3161 | "\t\tHQID[%02d], QE-CNT[%04d], QE-SZ[%04d], " |
3162 | "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]\n", | |
07bcd98e | 3163 | qp->queue_id, qp->entry_count, qp->entry_size, |
7869da18 | 3164 | qp->host_index, qp->hba_index, qp->entry_repost); |
07bcd98e | 3165 | len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, |
7869da18 JS |
3166 | "\t\tDQID[%02d], QE-CNT[%04d], QE-SZ[%04d], " |
3167 | "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]\n", | |
07bcd98e JS |
3168 | datqp->queue_id, datqp->entry_count, |
3169 | datqp->entry_size, datqp->host_index, | |
7869da18 | 3170 | datqp->hba_index, datqp->entry_repost); |
07bcd98e JS |
3171 | return len; |
3172 | } | |
3173 | ||
3174 | static int | |
3175 | lpfc_idiag_cqs_for_eq(struct lpfc_hba *phba, char *pbuffer, | |
2d7dbc4c | 3176 | int *len, int max_cnt, int eqidx, int eq_id) |
07bcd98e JS |
3177 | { |
3178 | struct lpfc_queue *qp; | |
3179 | int qidx, rc; | |
3180 | ||
3181 | for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) { | |
3182 | qp = phba->sli4_hba.fcp_cq[qidx]; | |
3183 | if (qp->assoc_qid != eq_id) | |
3184 | continue; | |
3185 | ||
3186 | *len = __lpfc_idiag_print_cq(qp, "FCP", pbuffer, *len); | |
3187 | ||
3188 | /* Reset max counter */ | |
3189 | qp->CQ_max_cqe = 0; | |
3190 | ||
3191 | if (*len >= max_cnt) | |
3192 | return 1; | |
3193 | ||
3194 | rc = lpfc_idiag_wqs_for_cq(phba, "FCP", pbuffer, len, | |
3195 | max_cnt, qp->queue_id); | |
3196 | if (rc) | |
3197 | return 1; | |
3198 | } | |
3199 | ||
895427bd JS |
3200 | for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) { |
3201 | qp = phba->sli4_hba.nvme_cq[qidx]; | |
3202 | if (qp->assoc_qid != eq_id) | |
3203 | continue; | |
3204 | ||
3205 | *len = __lpfc_idiag_print_cq(qp, "NVME", pbuffer, *len); | |
3206 | ||
3207 | /* Reset max counter */ | |
3208 | qp->CQ_max_cqe = 0; | |
3209 | ||
3210 | if (*len >= max_cnt) | |
3211 | return 1; | |
3212 | ||
3213 | rc = lpfc_idiag_wqs_for_cq(phba, "NVME", pbuffer, len, | |
3214 | max_cnt, qp->queue_id); | |
3215 | if (rc) | |
3216 | return 1; | |
3217 | } | |
3218 | ||
2b65e182 | 3219 | if (eqidx < phba->cfg_nvmet_mrq) { |
2d7dbc4c JS |
3220 | /* NVMET CQset */ |
3221 | qp = phba->sli4_hba.nvmet_cqset[eqidx]; | |
3222 | *len = __lpfc_idiag_print_cq(qp, "NVMET CQset", pbuffer, *len); | |
3223 | ||
3224 | /* Reset max counter */ | |
3225 | qp->CQ_max_cqe = 0; | |
3226 | ||
3227 | if (*len >= max_cnt) | |
3228 | return 1; | |
3229 | ||
3230 | /* RQ header */ | |
3231 | qp = phba->sli4_hba.nvmet_mrq_hdr[eqidx]; | |
3232 | *len = __lpfc_idiag_print_rqpair(qp, | |
3233 | phba->sli4_hba.nvmet_mrq_data[eqidx], | |
3234 | "NVMET MRQ", pbuffer, *len); | |
3235 | ||
3236 | if (*len >= max_cnt) | |
3237 | return 1; | |
3238 | } | |
3239 | ||
07bcd98e JS |
3240 | return 0; |
3241 | } | |
3242 | ||
3243 | static int | |
3244 | __lpfc_idiag_print_eq(struct lpfc_queue *qp, char *eqtype, | |
3245 | char *pbuffer, int len) | |
3246 | { | |
3247 | if (!qp) | |
3248 | return len; | |
3249 | ||
3250 | len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, | |
3251 | "\n%s EQ info: EQ-STAT[max:x%x noE:x%x " | |
3252 | "bs:x%x proc:x%llx]\n", | |
3253 | eqtype, qp->q_cnt_1, qp->q_cnt_2, qp->q_cnt_3, | |
3254 | (unsigned long long)qp->q_cnt_4); | |
3255 | len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, | |
7869da18 JS |
3256 | "EQID[%02d], QE-CNT[%04d], QE-SZ[%04d], " |
3257 | "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]", | |
07bcd98e | 3258 | qp->queue_id, qp->entry_count, qp->entry_size, |
7869da18 | 3259 | qp->host_index, qp->hba_index, qp->entry_repost); |
07bcd98e JS |
3260 | len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, "\n"); |
3261 | ||
3262 | return len; | |
3263 | } | |
3264 | ||
2a622bfb JS |
3265 | /** |
3266 | * lpfc_idiag_queinfo_read - idiag debugfs read queue information | |
3267 | * @file: The file pointer to read from. | |
3268 | * @buf: The buffer to copy the data to. | |
3269 | * @nbytes: The number of bytes to read. | |
3270 | * @ppos: The position in the file to start reading from. | |
3271 | * | |
3272 | * Description: | |
3273 | * This routine reads data from the @phba SLI4 PCI function queue information, | |
3274 | * and copies to user @buf. | |
07bcd98e JS |
3275 | * This routine only returns 1 EQs worth of information. It remembers the last |
3276 | * EQ read and jumps to the next EQ. Thus subsequent calls to queInfo will | |
3277 | * retrieve all EQs allocated for the phba. | |
2a622bfb JS |
3278 | * |
3279 | * Returns: | |
3280 | * This function returns the amount of data that was read (this could be less | |
3281 | * than @nbytes if the end of the file was reached) or a negative error value. | |
3282 | **/ | |
3283 | static ssize_t | |
3284 | lpfc_idiag_queinfo_read(struct file *file, char __user *buf, size_t nbytes, | |
3285 | loff_t *ppos) | |
3286 | { | |
3287 | struct lpfc_debug *debug = file->private_data; | |
3288 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
2a622bfb | 3289 | char *pbuffer; |
07bcd98e | 3290 | int max_cnt, rc, x, len = 0; |
c85a65ac JS |
3291 | struct lpfc_queue *qp = NULL; |
3292 | ||
2a622bfb JS |
3293 | if (!debug->buffer) |
3294 | debug->buffer = kmalloc(LPFC_QUE_INFO_GET_BUF_SIZE, GFP_KERNEL); | |
3295 | if (!debug->buffer) | |
3296 | return 0; | |
3297 | pbuffer = debug->buffer; | |
07bcd98e | 3298 | max_cnt = LPFC_QUE_INFO_GET_BUF_SIZE - 256; |
2a622bfb JS |
3299 | |
3300 | if (*ppos) | |
3301 | return 0; | |
3302 | ||
c85a65ac JS |
3303 | spin_lock_irq(&phba->hbalock); |
3304 | ||
3305 | /* Fast-path event queue */ | |
895427bd | 3306 | if (phba->sli4_hba.hba_eq && phba->io_channel_irqs) { |
c85a65ac | 3307 | |
07bcd98e | 3308 | x = phba->lpfc_idiag_last_eq; |
895427bd | 3309 | if (phba->cfg_fof && (x >= phba->io_channel_irqs)) { |
07bcd98e JS |
3310 | phba->lpfc_idiag_last_eq = 0; |
3311 | goto fof; | |
3312 | } | |
3313 | phba->lpfc_idiag_last_eq++; | |
895427bd | 3314 | if (phba->lpfc_idiag_last_eq >= phba->io_channel_irqs) |
07bcd98e JS |
3315 | if (phba->cfg_fof == 0) |
3316 | phba->lpfc_idiag_last_eq = 0; | |
c85a65ac | 3317 | |
07bcd98e JS |
3318 | len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, |
3319 | "EQ %d out of %d HBA EQs\n", | |
895427bd | 3320 | x, phba->io_channel_irqs); |
c85a65ac | 3321 | |
07bcd98e JS |
3322 | /* Fast-path EQ */ |
3323 | qp = phba->sli4_hba.hba_eq[x]; | |
3324 | if (!qp) | |
3325 | goto out; | |
c85a65ac | 3326 | |
07bcd98e | 3327 | len = __lpfc_idiag_print_eq(qp, "HBA", pbuffer, len); |
c85a65ac | 3328 | |
07bcd98e JS |
3329 | /* Reset max counter */ |
3330 | qp->EQ_max_eqe = 0; | |
c85a65ac | 3331 | |
07bcd98e JS |
3332 | if (len >= max_cnt) |
3333 | goto too_big; | |
c85a65ac | 3334 | |
895427bd | 3335 | /* will dump both fcp and nvme cqs/wqs for the eq */ |
07bcd98e | 3336 | rc = lpfc_idiag_cqs_for_eq(phba, pbuffer, &len, |
2d7dbc4c | 3337 | max_cnt, x, qp->queue_id); |
07bcd98e JS |
3338 | if (rc) |
3339 | goto too_big; | |
c85a65ac | 3340 | |
07bcd98e JS |
3341 | /* Only EQ 0 has slow path CQs configured */ |
3342 | if (x) | |
3343 | goto out; | |
c85a65ac | 3344 | |
07bcd98e JS |
3345 | /* Slow-path mailbox CQ */ |
3346 | qp = phba->sli4_hba.mbx_cq; | |
3347 | len = __lpfc_idiag_print_cq(qp, "MBX", pbuffer, len); | |
3348 | if (len >= max_cnt) | |
3349 | goto too_big; | |
2a622bfb | 3350 | |
07bcd98e JS |
3351 | /* Slow-path MBOX MQ */ |
3352 | qp = phba->sli4_hba.mbx_wq; | |
3353 | len = __lpfc_idiag_print_wq(qp, "MBX", pbuffer, len); | |
3354 | if (len >= max_cnt) | |
3355 | goto too_big; | |
2a622bfb | 3356 | |
07bcd98e JS |
3357 | /* Slow-path ELS response CQ */ |
3358 | qp = phba->sli4_hba.els_cq; | |
3359 | len = __lpfc_idiag_print_cq(qp, "ELS", pbuffer, len); | |
3360 | /* Reset max counter */ | |
3361 | if (qp) | |
3362 | qp->CQ_max_cqe = 0; | |
3363 | if (len >= max_cnt) | |
3364 | goto too_big; | |
2a622bfb | 3365 | |
07bcd98e JS |
3366 | /* Slow-path ELS WQ */ |
3367 | qp = phba->sli4_hba.els_wq; | |
3368 | len = __lpfc_idiag_print_wq(qp, "ELS", pbuffer, len); | |
3369 | if (len >= max_cnt) | |
3370 | goto too_big; | |
2a622bfb | 3371 | |
895427bd JS |
3372 | /* Slow-path NVME LS response CQ */ |
3373 | qp = phba->sli4_hba.nvmels_cq; | |
3374 | len = __lpfc_idiag_print_cq(qp, "NVME LS", | |
3375 | pbuffer, len); | |
3376 | /* Reset max counter */ | |
3377 | if (qp) | |
3378 | qp->CQ_max_cqe = 0; | |
3379 | if (len >= max_cnt) | |
3380 | goto too_big; | |
3381 | ||
3382 | /* Slow-path NVME LS WQ */ | |
3383 | qp = phba->sli4_hba.nvmels_wq; | |
3384 | len = __lpfc_idiag_print_wq(qp, "NVME LS", | |
3385 | pbuffer, len); | |
3386 | if (len >= max_cnt) | |
3387 | goto too_big; | |
3388 | ||
07bcd98e JS |
3389 | qp = phba->sli4_hba.hdr_rq; |
3390 | len = __lpfc_idiag_print_rqpair(qp, phba->sli4_hba.dat_rq, | |
3391 | "RQpair", pbuffer, len); | |
3392 | if (len >= max_cnt) | |
3393 | goto too_big; | |
2a622bfb | 3394 | |
07bcd98e | 3395 | goto out; |
2a622bfb | 3396 | } |
2a622bfb | 3397 | |
07bcd98e | 3398 | fof: |
1ba981fd JS |
3399 | if (phba->cfg_fof) { |
3400 | /* FOF EQ */ | |
3401 | qp = phba->sli4_hba.fof_eq; | |
07bcd98e | 3402 | len = __lpfc_idiag_print_eq(qp, "FOF", pbuffer, len); |
1ba981fd JS |
3403 | |
3404 | /* Reset max counter */ | |
07bcd98e JS |
3405 | if (qp) |
3406 | qp->EQ_max_eqe = 0; | |
1ba981fd | 3407 | |
1ba981fd JS |
3408 | if (len >= max_cnt) |
3409 | goto too_big; | |
1ba981fd JS |
3410 | |
3411 | /* OAS CQ */ | |
3412 | qp = phba->sli4_hba.oas_cq; | |
07bcd98e JS |
3413 | len = __lpfc_idiag_print_cq(qp, "OAS", pbuffer, len); |
3414 | /* Reset max counter */ | |
3415 | if (qp) | |
1ba981fd | 3416 | qp->CQ_max_cqe = 0; |
07bcd98e JS |
3417 | if (len >= max_cnt) |
3418 | goto too_big; | |
1ba981fd JS |
3419 | |
3420 | /* OAS WQ */ | |
3421 | qp = phba->sli4_hba.oas_wq; | |
07bcd98e JS |
3422 | len = __lpfc_idiag_print_wq(qp, "OAS", pbuffer, len); |
3423 | if (len >= max_cnt) | |
3424 | goto too_big; | |
1ba981fd | 3425 | } |
07bcd98e | 3426 | |
c85a65ac JS |
3427 | spin_unlock_irq(&phba->hbalock); |
3428 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
3429 | ||
3430 | too_big: | |
07bcd98e JS |
3431 | len += snprintf(pbuffer + len, |
3432 | LPFC_QUE_INFO_GET_BUF_SIZE - len, "Truncated ...\n"); | |
3433 | out: | |
c85a65ac | 3434 | spin_unlock_irq(&phba->hbalock); |
2a622bfb JS |
3435 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); |
3436 | } | |
3437 | ||
86a80846 JS |
3438 | /** |
3439 | * lpfc_idiag_que_param_check - queue access command parameter sanity check | |
3440 | * @q: The pointer to queue structure. | |
3441 | * @index: The index into a queue entry. | |
3442 | * @count: The number of queue entries to access. | |
3443 | * | |
3444 | * Description: | |
3445 | * The routine performs sanity check on device queue access method commands. | |
3446 | * | |
3447 | * Returns: | |
3448 | * This function returns -EINVAL when fails the sanity check, otherwise, it | |
3449 | * returns 0. | |
3450 | **/ | |
3451 | static int | |
3452 | lpfc_idiag_que_param_check(struct lpfc_queue *q, int index, int count) | |
3453 | { | |
3454 | /* Only support single entry read or browsing */ | |
3455 | if ((count != 1) && (count != LPFC_QUE_ACC_BROWSE)) | |
3456 | return -EINVAL; | |
3457 | if (index > q->entry_count - 1) | |
3458 | return -EINVAL; | |
3459 | return 0; | |
3460 | } | |
3461 | ||
3462 | /** | |
3463 | * lpfc_idiag_queacc_read_qe - read a single entry from the given queue index | |
3464 | * @pbuffer: The pointer to buffer to copy the read data into. | |
3465 | * @pque: The pointer to the queue to be read. | |
3466 | * @index: The index into the queue entry. | |
3467 | * | |
3468 | * Description: | |
3469 | * This routine reads out a single entry from the given queue's index location | |
3470 | * and copies it into the buffer provided. | |
3471 | * | |
3472 | * Returns: | |
3473 | * This function returns 0 when it fails, otherwise, it returns the length of | |
3474 | * the data read into the buffer provided. | |
3475 | **/ | |
3476 | static int | |
3477 | lpfc_idiag_queacc_read_qe(char *pbuffer, int len, struct lpfc_queue *pque, | |
3478 | uint32_t index) | |
3479 | { | |
3480 | int offset, esize; | |
3481 | uint32_t *pentry; | |
3482 | ||
3483 | if (!pbuffer || !pque) | |
3484 | return 0; | |
3485 | ||
3486 | esize = pque->entry_size; | |
3487 | len += snprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, | |
3488 | "QE-INDEX[%04d]:\n", index); | |
3489 | ||
3490 | offset = 0; | |
3491 | pentry = pque->qe[index].address; | |
3492 | while (esize > 0) { | |
3493 | len += snprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, | |
3494 | "%08x ", *pentry); | |
3495 | pentry++; | |
3496 | offset += sizeof(uint32_t); | |
3497 | esize -= sizeof(uint32_t); | |
3498 | if (esize > 0 && !(offset % (4 * sizeof(uint32_t)))) | |
3499 | len += snprintf(pbuffer+len, | |
3500 | LPFC_QUE_ACC_BUF_SIZE-len, "\n"); | |
3501 | } | |
3502 | len += snprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, "\n"); | |
3503 | ||
3504 | return len; | |
3505 | } | |
3506 | ||
3507 | /** | |
3508 | * lpfc_idiag_queacc_read - idiag debugfs read port queue | |
3509 | * @file: The file pointer to read from. | |
3510 | * @buf: The buffer to copy the data to. | |
3511 | * @nbytes: The number of bytes to read. | |
3512 | * @ppos: The position in the file to start reading from. | |
3513 | * | |
3514 | * Description: | |
3515 | * This routine reads data from the @phba device queue memory according to the | |
3516 | * idiag command, and copies to user @buf. Depending on the queue dump read | |
3517 | * command setup, it does either a single queue entry read or browing through | |
3518 | * all entries of the queue. | |
3519 | * | |
3520 | * Returns: | |
3521 | * This function returns the amount of data that was read (this could be less | |
3522 | * than @nbytes if the end of the file was reached) or a negative error value. | |
3523 | **/ | |
3524 | static ssize_t | |
3525 | lpfc_idiag_queacc_read(struct file *file, char __user *buf, size_t nbytes, | |
3526 | loff_t *ppos) | |
3527 | { | |
3528 | struct lpfc_debug *debug = file->private_data; | |
3529 | uint32_t last_index, index, count; | |
3530 | struct lpfc_queue *pque = NULL; | |
3531 | char *pbuffer; | |
3532 | int len = 0; | |
3533 | ||
3534 | /* This is a user read operation */ | |
3535 | debug->op = LPFC_IDIAG_OP_RD; | |
3536 | ||
3537 | if (!debug->buffer) | |
3538 | debug->buffer = kmalloc(LPFC_QUE_ACC_BUF_SIZE, GFP_KERNEL); | |
3539 | if (!debug->buffer) | |
3540 | return 0; | |
3541 | pbuffer = debug->buffer; | |
3542 | ||
3543 | if (*ppos) | |
3544 | return 0; | |
3545 | ||
3546 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) { | |
b76f2dc9 JS |
3547 | index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX]; |
3548 | count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX]; | |
86a80846 JS |
3549 | pque = (struct lpfc_queue *)idiag.ptr_private; |
3550 | } else | |
3551 | return 0; | |
3552 | ||
3553 | /* Browse the queue starting from index */ | |
3554 | if (count == LPFC_QUE_ACC_BROWSE) | |
3555 | goto que_browse; | |
3556 | ||
3557 | /* Read a single entry from the queue */ | |
3558 | len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index); | |
3559 | ||
3560 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
3561 | ||
3562 | que_browse: | |
3563 | ||
3564 | /* Browse all entries from the queue */ | |
3565 | last_index = idiag.offset.last_rd; | |
3566 | index = last_index; | |
3567 | ||
3568 | while (len < LPFC_QUE_ACC_SIZE - pque->entry_size) { | |
3569 | len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index); | |
3570 | index++; | |
3571 | if (index > pque->entry_count - 1) | |
3572 | break; | |
3573 | } | |
3574 | ||
3575 | /* Set up the offset for next portion of pci cfg read */ | |
3576 | if (index > pque->entry_count - 1) | |
3577 | index = 0; | |
3578 | idiag.offset.last_rd = index; | |
3579 | ||
3580 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
3581 | } | |
3582 | ||
3583 | /** | |
3584 | * lpfc_idiag_queacc_write - Syntax check and set up idiag queacc commands | |
3585 | * @file: The file pointer to read from. | |
3586 | * @buf: The buffer to copy the user data from. | |
3587 | * @nbytes: The number of bytes to get. | |
3588 | * @ppos: The position in the file to start reading from. | |
3589 | * | |
3590 | * This routine get the debugfs idiag command struct from user space and then | |
3591 | * perform the syntax check for port queue read (dump) or write (set) command | |
3592 | * accordingly. In the case of port queue read command, it sets up the command | |
3593 | * in the idiag command struct for the following debugfs read operation. In | |
3594 | * the case of port queue write operation, it executes the write operation | |
3595 | * into the port queue entry accordingly. | |
3596 | * | |
3597 | * It returns the @nbytges passing in from debugfs user space when successful. | |
3598 | * In case of error conditions, it returns proper error code back to the user | |
3599 | * space. | |
3600 | **/ | |
3601 | static ssize_t | |
3602 | lpfc_idiag_queacc_write(struct file *file, const char __user *buf, | |
3603 | size_t nbytes, loff_t *ppos) | |
3604 | { | |
3605 | struct lpfc_debug *debug = file->private_data; | |
3606 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
3607 | uint32_t qidx, quetp, queid, index, count, offset, value; | |
3608 | uint32_t *pentry; | |
895427bd | 3609 | struct lpfc_queue *pque, *qp; |
86a80846 JS |
3610 | int rc; |
3611 | ||
3612 | /* This is a user write operation */ | |
3613 | debug->op = LPFC_IDIAG_OP_WR; | |
3614 | ||
3615 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
3616 | if (rc < 0) | |
3617 | return rc; | |
3618 | ||
3619 | /* Get and sanity check on command feilds */ | |
b76f2dc9 JS |
3620 | quetp = idiag.cmd.data[IDIAG_QUEACC_QUETP_INDX]; |
3621 | queid = idiag.cmd.data[IDIAG_QUEACC_QUEID_INDX]; | |
3622 | index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX]; | |
3623 | count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX]; | |
3624 | offset = idiag.cmd.data[IDIAG_QUEACC_OFFST_INDX]; | |
3625 | value = idiag.cmd.data[IDIAG_QUEACC_VALUE_INDX]; | |
86a80846 JS |
3626 | |
3627 | /* Sanity check on command line arguments */ | |
3628 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR || | |
3629 | idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST || | |
3630 | idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) { | |
3631 | if (rc != LPFC_QUE_ACC_WR_CMD_ARG) | |
3632 | goto error_out; | |
3633 | if (count != 1) | |
3634 | goto error_out; | |
3635 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) { | |
3636 | if (rc != LPFC_QUE_ACC_RD_CMD_ARG) | |
3637 | goto error_out; | |
3638 | } else | |
3639 | goto error_out; | |
3640 | ||
3641 | switch (quetp) { | |
3642 | case LPFC_IDIAG_EQ: | |
67d12733 JS |
3643 | /* HBA event queue */ |
3644 | if (phba->sli4_hba.hba_eq) { | |
895427bd JS |
3645 | for (qidx = 0; qidx < phba->io_channel_irqs; qidx++) { |
3646 | qp = phba->sli4_hba.hba_eq[qidx]; | |
3647 | if (qp && qp->queue_id == queid) { | |
2e90f4b5 | 3648 | /* Sanity check */ |
895427bd | 3649 | rc = lpfc_idiag_que_param_check(qp, |
86a80846 | 3650 | index, count); |
2e90f4b5 JS |
3651 | if (rc) |
3652 | goto error_out; | |
895427bd | 3653 | idiag.ptr_private = qp; |
2e90f4b5 JS |
3654 | goto pass_check; |
3655 | } | |
86a80846 JS |
3656 | } |
3657 | } | |
3658 | goto error_out; | |
3659 | break; | |
3660 | case LPFC_IDIAG_CQ: | |
3661 | /* MBX complete queue */ | |
2e90f4b5 JS |
3662 | if (phba->sli4_hba.mbx_cq && |
3663 | phba->sli4_hba.mbx_cq->queue_id == queid) { | |
86a80846 JS |
3664 | /* Sanity check */ |
3665 | rc = lpfc_idiag_que_param_check( | |
3666 | phba->sli4_hba.mbx_cq, index, count); | |
3667 | if (rc) | |
3668 | goto error_out; | |
3669 | idiag.ptr_private = phba->sli4_hba.mbx_cq; | |
3670 | goto pass_check; | |
3671 | } | |
3672 | /* ELS complete queue */ | |
2e90f4b5 JS |
3673 | if (phba->sli4_hba.els_cq && |
3674 | phba->sli4_hba.els_cq->queue_id == queid) { | |
86a80846 JS |
3675 | /* Sanity check */ |
3676 | rc = lpfc_idiag_que_param_check( | |
3677 | phba->sli4_hba.els_cq, index, count); | |
3678 | if (rc) | |
3679 | goto error_out; | |
3680 | idiag.ptr_private = phba->sli4_hba.els_cq; | |
3681 | goto pass_check; | |
3682 | } | |
895427bd JS |
3683 | /* NVME LS complete queue */ |
3684 | if (phba->sli4_hba.nvmels_cq && | |
3685 | phba->sli4_hba.nvmels_cq->queue_id == queid) { | |
3686 | /* Sanity check */ | |
3687 | rc = lpfc_idiag_que_param_check( | |
3688 | phba->sli4_hba.nvmels_cq, index, count); | |
3689 | if (rc) | |
3690 | goto error_out; | |
3691 | idiag.ptr_private = phba->sli4_hba.nvmels_cq; | |
3692 | goto pass_check; | |
3693 | } | |
86a80846 | 3694 | /* FCP complete queue */ |
2e90f4b5 | 3695 | if (phba->sli4_hba.fcp_cq) { |
895427bd JS |
3696 | for (qidx = 0; qidx < phba->cfg_fcp_io_channel; |
3697 | qidx++) { | |
3698 | qp = phba->sli4_hba.fcp_cq[qidx]; | |
3699 | if (qp && qp->queue_id == queid) { | |
2e90f4b5 JS |
3700 | /* Sanity check */ |
3701 | rc = lpfc_idiag_que_param_check( | |
895427bd | 3702 | qp, index, count); |
2e90f4b5 JS |
3703 | if (rc) |
3704 | goto error_out; | |
895427bd | 3705 | idiag.ptr_private = qp; |
2e90f4b5 JS |
3706 | goto pass_check; |
3707 | } | |
895427bd | 3708 | } |
2e90f4b5 | 3709 | } |
bd2cdd5e JS |
3710 | /* NVME complete queue */ |
3711 | if (phba->sli4_hba.nvme_cq) { | |
3712 | qidx = 0; | |
3713 | do { | |
3714 | if (phba->sli4_hba.nvme_cq[qidx] && | |
3715 | phba->sli4_hba.nvme_cq[qidx]->queue_id == | |
3716 | queid) { | |
3717 | /* Sanity check */ | |
3718 | rc = lpfc_idiag_que_param_check( | |
3719 | phba->sli4_hba.nvme_cq[qidx], | |
3720 | index, count); | |
3721 | if (rc) | |
3722 | goto error_out; | |
3723 | idiag.ptr_private = | |
3724 | phba->sli4_hba.nvme_cq[qidx]; | |
3725 | goto pass_check; | |
3726 | } | |
3727 | } while (++qidx < phba->cfg_nvme_io_channel); | |
3728 | } | |
86a80846 JS |
3729 | goto error_out; |
3730 | break; | |
3731 | case LPFC_IDIAG_MQ: | |
3732 | /* MBX work queue */ | |
2e90f4b5 JS |
3733 | if (phba->sli4_hba.mbx_wq && |
3734 | phba->sli4_hba.mbx_wq->queue_id == queid) { | |
86a80846 JS |
3735 | /* Sanity check */ |
3736 | rc = lpfc_idiag_que_param_check( | |
3737 | phba->sli4_hba.mbx_wq, index, count); | |
3738 | if (rc) | |
3739 | goto error_out; | |
3740 | idiag.ptr_private = phba->sli4_hba.mbx_wq; | |
3741 | goto pass_check; | |
3742 | } | |
2e90f4b5 | 3743 | goto error_out; |
86a80846 JS |
3744 | break; |
3745 | case LPFC_IDIAG_WQ: | |
3746 | /* ELS work queue */ | |
2e90f4b5 JS |
3747 | if (phba->sli4_hba.els_wq && |
3748 | phba->sli4_hba.els_wq->queue_id == queid) { | |
86a80846 JS |
3749 | /* Sanity check */ |
3750 | rc = lpfc_idiag_que_param_check( | |
3751 | phba->sli4_hba.els_wq, index, count); | |
3752 | if (rc) | |
3753 | goto error_out; | |
3754 | idiag.ptr_private = phba->sli4_hba.els_wq; | |
3755 | goto pass_check; | |
3756 | } | |
895427bd JS |
3757 | /* NVME LS work queue */ |
3758 | if (phba->sli4_hba.nvmels_wq && | |
3759 | phba->sli4_hba.nvmels_wq->queue_id == queid) { | |
3760 | /* Sanity check */ | |
3761 | rc = lpfc_idiag_que_param_check( | |
3762 | phba->sli4_hba.nvmels_wq, index, count); | |
3763 | if (rc) | |
3764 | goto error_out; | |
3765 | idiag.ptr_private = phba->sli4_hba.nvmels_wq; | |
3766 | goto pass_check; | |
3767 | } | |
86a80846 | 3768 | /* FCP work queue */ |
2e90f4b5 | 3769 | if (phba->sli4_hba.fcp_wq) { |
67d12733 | 3770 | for (qidx = 0; qidx < phba->cfg_fcp_io_channel; |
895427bd JS |
3771 | qidx++) { |
3772 | qp = phba->sli4_hba.fcp_wq[qidx]; | |
3773 | if (qp && qp->queue_id == queid) { | |
2e90f4b5 JS |
3774 | /* Sanity check */ |
3775 | rc = lpfc_idiag_que_param_check( | |
895427bd JS |
3776 | qp, index, count); |
3777 | if (rc) | |
3778 | goto error_out; | |
3779 | idiag.ptr_private = qp; | |
3780 | goto pass_check; | |
3781 | } | |
3782 | } | |
3783 | } | |
3784 | /* NVME work queue */ | |
3785 | if (phba->sli4_hba.nvme_wq) { | |
3786 | for (qidx = 0; qidx < phba->cfg_nvme_io_channel; | |
3787 | qidx++) { | |
3788 | qp = phba->sli4_hba.nvme_wq[qidx]; | |
3789 | if (qp && qp->queue_id == queid) { | |
3790 | /* Sanity check */ | |
3791 | rc = lpfc_idiag_que_param_check( | |
3792 | qp, index, count); | |
2e90f4b5 JS |
3793 | if (rc) |
3794 | goto error_out; | |
895427bd | 3795 | idiag.ptr_private = qp; |
2e90f4b5 JS |
3796 | goto pass_check; |
3797 | } | |
86a80846 JS |
3798 | } |
3799 | } | |
bd2cdd5e JS |
3800 | |
3801 | /* NVME work queues */ | |
3802 | if (phba->sli4_hba.nvme_wq) { | |
3803 | for (qidx = 0; qidx < phba->cfg_nvme_io_channel; | |
3804 | qidx++) { | |
3805 | if (!phba->sli4_hba.nvme_wq[qidx]) | |
3806 | continue; | |
3807 | if (phba->sli4_hba.nvme_wq[qidx]->queue_id == | |
3808 | queid) { | |
3809 | /* Sanity check */ | |
3810 | rc = lpfc_idiag_que_param_check( | |
3811 | phba->sli4_hba.nvme_wq[qidx], | |
3812 | index, count); | |
3813 | if (rc) | |
3814 | goto error_out; | |
3815 | idiag.ptr_private = | |
3816 | phba->sli4_hba.nvme_wq[qidx]; | |
3817 | goto pass_check; | |
3818 | } | |
3819 | } | |
3820 | } | |
86a80846 JS |
3821 | goto error_out; |
3822 | break; | |
3823 | case LPFC_IDIAG_RQ: | |
3824 | /* HDR queue */ | |
2e90f4b5 JS |
3825 | if (phba->sli4_hba.hdr_rq && |
3826 | phba->sli4_hba.hdr_rq->queue_id == queid) { | |
86a80846 JS |
3827 | /* Sanity check */ |
3828 | rc = lpfc_idiag_que_param_check( | |
3829 | phba->sli4_hba.hdr_rq, index, count); | |
3830 | if (rc) | |
3831 | goto error_out; | |
3832 | idiag.ptr_private = phba->sli4_hba.hdr_rq; | |
3833 | goto pass_check; | |
3834 | } | |
3835 | /* DAT queue */ | |
2e90f4b5 JS |
3836 | if (phba->sli4_hba.dat_rq && |
3837 | phba->sli4_hba.dat_rq->queue_id == queid) { | |
86a80846 JS |
3838 | /* Sanity check */ |
3839 | rc = lpfc_idiag_que_param_check( | |
3840 | phba->sli4_hba.dat_rq, index, count); | |
3841 | if (rc) | |
3842 | goto error_out; | |
3843 | idiag.ptr_private = phba->sli4_hba.dat_rq; | |
3844 | goto pass_check; | |
3845 | } | |
3846 | goto error_out; | |
3847 | break; | |
3848 | default: | |
3849 | goto error_out; | |
3850 | break; | |
3851 | } | |
3852 | ||
3853 | pass_check: | |
3854 | ||
3855 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) { | |
3856 | if (count == LPFC_QUE_ACC_BROWSE) | |
3857 | idiag.offset.last_rd = index; | |
3858 | } | |
3859 | ||
3860 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR || | |
3861 | idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST || | |
3862 | idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) { | |
3863 | /* Additional sanity checks on write operation */ | |
3864 | pque = (struct lpfc_queue *)idiag.ptr_private; | |
3865 | if (offset > pque->entry_size/sizeof(uint32_t) - 1) | |
3866 | goto error_out; | |
3867 | pentry = pque->qe[index].address; | |
3868 | pentry += offset; | |
3869 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR) | |
3870 | *pentry = value; | |
3871 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST) | |
3872 | *pentry |= value; | |
3873 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) | |
3874 | *pentry &= ~value; | |
3875 | } | |
3876 | return nbytes; | |
3877 | ||
3878 | error_out: | |
3879 | /* Clean out command structure on command error out */ | |
3880 | memset(&idiag, 0, sizeof(idiag)); | |
3881 | return -EINVAL; | |
3882 | } | |
3883 | ||
3884 | /** | |
3885 | * lpfc_idiag_drbacc_read_reg - idiag debugfs read a doorbell register | |
3886 | * @phba: The pointer to hba structure. | |
3887 | * @pbuffer: The pointer to the buffer to copy the data to. | |
3888 | * @len: The lenght of bytes to copied. | |
3889 | * @drbregid: The id to doorbell registers. | |
3890 | * | |
3891 | * Description: | |
3892 | * This routine reads a doorbell register and copies its content to the | |
3893 | * user buffer pointed to by @pbuffer. | |
3894 | * | |
3895 | * Returns: | |
3896 | * This function returns the amount of data that was copied into @pbuffer. | |
3897 | **/ | |
3898 | static int | |
3899 | lpfc_idiag_drbacc_read_reg(struct lpfc_hba *phba, char *pbuffer, | |
3900 | int len, uint32_t drbregid) | |
3901 | { | |
3902 | ||
3903 | if (!pbuffer) | |
3904 | return 0; | |
3905 | ||
3906 | switch (drbregid) { | |
3907 | case LPFC_DRB_EQCQ: | |
3908 | len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len, | |
3909 | "EQCQ-DRB-REG: 0x%08x\n", | |
3910 | readl(phba->sli4_hba.EQCQDBregaddr)); | |
3911 | break; | |
3912 | case LPFC_DRB_MQ: | |
3913 | len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len, | |
3914 | "MQ-DRB-REG: 0x%08x\n", | |
3915 | readl(phba->sli4_hba.MQDBregaddr)); | |
3916 | break; | |
3917 | case LPFC_DRB_WQ: | |
3918 | len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len, | |
3919 | "WQ-DRB-REG: 0x%08x\n", | |
3920 | readl(phba->sli4_hba.WQDBregaddr)); | |
3921 | break; | |
3922 | case LPFC_DRB_RQ: | |
3923 | len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len, | |
3924 | "RQ-DRB-REG: 0x%08x\n", | |
3925 | readl(phba->sli4_hba.RQDBregaddr)); | |
3926 | break; | |
3927 | default: | |
3928 | break; | |
3929 | } | |
3930 | ||
3931 | return len; | |
3932 | } | |
3933 | ||
3934 | /** | |
3935 | * lpfc_idiag_drbacc_read - idiag debugfs read port doorbell | |
3936 | * @file: The file pointer to read from. | |
3937 | * @buf: The buffer to copy the data to. | |
3938 | * @nbytes: The number of bytes to read. | |
3939 | * @ppos: The position in the file to start reading from. | |
3940 | * | |
3941 | * Description: | |
3942 | * This routine reads data from the @phba device doorbell register according | |
3943 | * to the idiag command, and copies to user @buf. Depending on the doorbell | |
3944 | * register read command setup, it does either a single doorbell register | |
3945 | * read or dump all doorbell registers. | |
3946 | * | |
3947 | * Returns: | |
3948 | * This function returns the amount of data that was read (this could be less | |
3949 | * than @nbytes if the end of the file was reached) or a negative error value. | |
3950 | **/ | |
3951 | static ssize_t | |
3952 | lpfc_idiag_drbacc_read(struct file *file, char __user *buf, size_t nbytes, | |
3953 | loff_t *ppos) | |
3954 | { | |
3955 | struct lpfc_debug *debug = file->private_data; | |
3956 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
3957 | uint32_t drb_reg_id, i; | |
3958 | char *pbuffer; | |
3959 | int len = 0; | |
3960 | ||
3961 | /* This is a user read operation */ | |
3962 | debug->op = LPFC_IDIAG_OP_RD; | |
3963 | ||
3964 | if (!debug->buffer) | |
3965 | debug->buffer = kmalloc(LPFC_DRB_ACC_BUF_SIZE, GFP_KERNEL); | |
3966 | if (!debug->buffer) | |
3967 | return 0; | |
3968 | pbuffer = debug->buffer; | |
3969 | ||
3970 | if (*ppos) | |
3971 | return 0; | |
3972 | ||
3973 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD) | |
b76f2dc9 | 3974 | drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX]; |
86a80846 JS |
3975 | else |
3976 | return 0; | |
3977 | ||
3978 | if (drb_reg_id == LPFC_DRB_ACC_ALL) | |
3979 | for (i = 1; i <= LPFC_DRB_MAX; i++) | |
3980 | len = lpfc_idiag_drbacc_read_reg(phba, | |
3981 | pbuffer, len, i); | |
3982 | else | |
3983 | len = lpfc_idiag_drbacc_read_reg(phba, | |
3984 | pbuffer, len, drb_reg_id); | |
3985 | ||
3986 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
3987 | } | |
3988 | ||
3989 | /** | |
3990 | * lpfc_idiag_drbacc_write - Syntax check and set up idiag drbacc commands | |
3991 | * @file: The file pointer to read from. | |
3992 | * @buf: The buffer to copy the user data from. | |
3993 | * @nbytes: The number of bytes to get. | |
3994 | * @ppos: The position in the file to start reading from. | |
3995 | * | |
3996 | * This routine get the debugfs idiag command struct from user space and then | |
3997 | * perform the syntax check for port doorbell register read (dump) or write | |
3998 | * (set) command accordingly. In the case of port queue read command, it sets | |
3999 | * up the command in the idiag command struct for the following debugfs read | |
4000 | * operation. In the case of port doorbell register write operation, it | |
4001 | * executes the write operation into the port doorbell register accordingly. | |
4002 | * | |
4003 | * It returns the @nbytges passing in from debugfs user space when successful. | |
4004 | * In case of error conditions, it returns proper error code back to the user | |
4005 | * space. | |
4006 | **/ | |
4007 | static ssize_t | |
4008 | lpfc_idiag_drbacc_write(struct file *file, const char __user *buf, | |
4009 | size_t nbytes, loff_t *ppos) | |
4010 | { | |
4011 | struct lpfc_debug *debug = file->private_data; | |
4012 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
b76f2dc9 | 4013 | uint32_t drb_reg_id, value, reg_val = 0; |
86a80846 JS |
4014 | void __iomem *drb_reg; |
4015 | int rc; | |
4016 | ||
4017 | /* This is a user write operation */ | |
4018 | debug->op = LPFC_IDIAG_OP_WR; | |
4019 | ||
4020 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
4021 | if (rc < 0) | |
4022 | return rc; | |
4023 | ||
4024 | /* Sanity check on command line arguments */ | |
b76f2dc9 JS |
4025 | drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX]; |
4026 | value = idiag.cmd.data[IDIAG_DRBACC_VALUE_INDX]; | |
86a80846 JS |
4027 | |
4028 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR || | |
4029 | idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST || | |
4030 | idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) { | |
4031 | if (rc != LPFC_DRB_ACC_WR_CMD_ARG) | |
4032 | goto error_out; | |
4033 | if (drb_reg_id > LPFC_DRB_MAX) | |
4034 | goto error_out; | |
4035 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD) { | |
4036 | if (rc != LPFC_DRB_ACC_RD_CMD_ARG) | |
4037 | goto error_out; | |
4038 | if ((drb_reg_id > LPFC_DRB_MAX) && | |
4039 | (drb_reg_id != LPFC_DRB_ACC_ALL)) | |
4040 | goto error_out; | |
4041 | } else | |
4042 | goto error_out; | |
4043 | ||
4044 | /* Perform the write access operation */ | |
4045 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR || | |
4046 | idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST || | |
4047 | idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) { | |
4048 | switch (drb_reg_id) { | |
4049 | case LPFC_DRB_EQCQ: | |
4050 | drb_reg = phba->sli4_hba.EQCQDBregaddr; | |
4051 | break; | |
4052 | case LPFC_DRB_MQ: | |
4053 | drb_reg = phba->sli4_hba.MQDBregaddr; | |
4054 | break; | |
4055 | case LPFC_DRB_WQ: | |
4056 | drb_reg = phba->sli4_hba.WQDBregaddr; | |
4057 | break; | |
4058 | case LPFC_DRB_RQ: | |
4059 | drb_reg = phba->sli4_hba.RQDBregaddr; | |
4060 | break; | |
4061 | default: | |
4062 | goto error_out; | |
4063 | } | |
4064 | ||
4065 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR) | |
4066 | reg_val = value; | |
4067 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST) { | |
4068 | reg_val = readl(drb_reg); | |
4069 | reg_val |= value; | |
4070 | } | |
4071 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) { | |
4072 | reg_val = readl(drb_reg); | |
4073 | reg_val &= ~value; | |
4074 | } | |
4075 | writel(reg_val, drb_reg); | |
4076 | readl(drb_reg); /* flush */ | |
4077 | } | |
4078 | return nbytes; | |
4079 | ||
4080 | error_out: | |
4081 | /* Clean out command structure on command error out */ | |
4082 | memset(&idiag, 0, sizeof(idiag)); | |
4083 | return -EINVAL; | |
4084 | } | |
4085 | ||
b76f2dc9 JS |
4086 | /** |
4087 | * lpfc_idiag_ctlacc_read_reg - idiag debugfs read a control registers | |
4088 | * @phba: The pointer to hba structure. | |
4089 | * @pbuffer: The pointer to the buffer to copy the data to. | |
4090 | * @len: The lenght of bytes to copied. | |
4091 | * @drbregid: The id to doorbell registers. | |
4092 | * | |
4093 | * Description: | |
4094 | * This routine reads a control register and copies its content to the | |
4095 | * user buffer pointed to by @pbuffer. | |
4096 | * | |
4097 | * Returns: | |
4098 | * This function returns the amount of data that was copied into @pbuffer. | |
4099 | **/ | |
4100 | static int | |
4101 | lpfc_idiag_ctlacc_read_reg(struct lpfc_hba *phba, char *pbuffer, | |
4102 | int len, uint32_t ctlregid) | |
4103 | { | |
858c9f6c | 4104 | |
b76f2dc9 JS |
4105 | if (!pbuffer) |
4106 | return 0; | |
858c9f6c | 4107 | |
b76f2dc9 JS |
4108 | switch (ctlregid) { |
4109 | case LPFC_CTL_PORT_SEM: | |
4110 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
4111 | "Port SemReg: 0x%08x\n", | |
4112 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
4113 | LPFC_CTL_PORT_SEM_OFFSET)); | |
4114 | break; | |
4115 | case LPFC_CTL_PORT_STA: | |
4116 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
4117 | "Port StaReg: 0x%08x\n", | |
4118 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
4119 | LPFC_CTL_PORT_STA_OFFSET)); | |
4120 | break; | |
4121 | case LPFC_CTL_PORT_CTL: | |
4122 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
4123 | "Port CtlReg: 0x%08x\n", | |
4124 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
4125 | LPFC_CTL_PORT_CTL_OFFSET)); | |
4126 | break; | |
4127 | case LPFC_CTL_PORT_ER1: | |
4128 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
4129 | "Port Er1Reg: 0x%08x\n", | |
4130 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
4131 | LPFC_CTL_PORT_ER1_OFFSET)); | |
4132 | break; | |
4133 | case LPFC_CTL_PORT_ER2: | |
4134 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
4135 | "Port Er2Reg: 0x%08x\n", | |
4136 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
4137 | LPFC_CTL_PORT_ER2_OFFSET)); | |
4138 | break; | |
4139 | case LPFC_CTL_PDEV_CTL: | |
4140 | len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, | |
4141 | "PDev CtlReg: 0x%08x\n", | |
4142 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
4143 | LPFC_CTL_PDEV_CTL_OFFSET)); | |
4144 | break; | |
4145 | default: | |
4146 | break; | |
4147 | } | |
4148 | return len; | |
4149 | } | |
78b2d852 | 4150 | |
b76f2dc9 JS |
4151 | /** |
4152 | * lpfc_idiag_ctlacc_read - idiag debugfs read port and device control register | |
4153 | * @file: The file pointer to read from. | |
4154 | * @buf: The buffer to copy the data to. | |
4155 | * @nbytes: The number of bytes to read. | |
4156 | * @ppos: The position in the file to start reading from. | |
4157 | * | |
4158 | * Description: | |
4159 | * This routine reads data from the @phba port and device registers according | |
4160 | * to the idiag command, and copies to user @buf. | |
4161 | * | |
4162 | * Returns: | |
4163 | * This function returns the amount of data that was read (this could be less | |
4164 | * than @nbytes if the end of the file was reached) or a negative error value. | |
4165 | **/ | |
4166 | static ssize_t | |
4167 | lpfc_idiag_ctlacc_read(struct file *file, char __user *buf, size_t nbytes, | |
4168 | loff_t *ppos) | |
4169 | { | |
4170 | struct lpfc_debug *debug = file->private_data; | |
4171 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
4172 | uint32_t ctl_reg_id, i; | |
4173 | char *pbuffer; | |
4174 | int len = 0; | |
c95d6c6c | 4175 | |
b76f2dc9 JS |
4176 | /* This is a user read operation */ |
4177 | debug->op = LPFC_IDIAG_OP_RD; | |
a58cbd52 | 4178 | |
b76f2dc9 JS |
4179 | if (!debug->buffer) |
4180 | debug->buffer = kmalloc(LPFC_CTL_ACC_BUF_SIZE, GFP_KERNEL); | |
4181 | if (!debug->buffer) | |
4182 | return 0; | |
4183 | pbuffer = debug->buffer; | |
e2a0a9d6 | 4184 | |
b76f2dc9 JS |
4185 | if (*ppos) |
4186 | return 0; | |
4187 | ||
4188 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD) | |
4189 | ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX]; | |
4190 | else | |
4191 | return 0; | |
4192 | ||
4193 | if (ctl_reg_id == LPFC_CTL_ACC_ALL) | |
4194 | for (i = 1; i <= LPFC_CTL_MAX; i++) | |
4195 | len = lpfc_idiag_ctlacc_read_reg(phba, | |
4196 | pbuffer, len, i); | |
4197 | else | |
4198 | len = lpfc_idiag_ctlacc_read_reg(phba, | |
4199 | pbuffer, len, ctl_reg_id); | |
4200 | ||
4201 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
4202 | } | |
4203 | ||
4204 | /** | |
4205 | * lpfc_idiag_ctlacc_write - Syntax check and set up idiag ctlacc commands | |
4206 | * @file: The file pointer to read from. | |
4207 | * @buf: The buffer to copy the user data from. | |
4208 | * @nbytes: The number of bytes to get. | |
4209 | * @ppos: The position in the file to start reading from. | |
4210 | * | |
4211 | * This routine get the debugfs idiag command struct from user space and then | |
4212 | * perform the syntax check for port and device control register read (dump) | |
4213 | * or write (set) command accordingly. | |
4214 | * | |
4215 | * It returns the @nbytges passing in from debugfs user space when successful. | |
4216 | * In case of error conditions, it returns proper error code back to the user | |
4217 | * space. | |
4218 | **/ | |
4219 | static ssize_t | |
4220 | lpfc_idiag_ctlacc_write(struct file *file, const char __user *buf, | |
4221 | size_t nbytes, loff_t *ppos) | |
4222 | { | |
4223 | struct lpfc_debug *debug = file->private_data; | |
4224 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
4225 | uint32_t ctl_reg_id, value, reg_val = 0; | |
4226 | void __iomem *ctl_reg; | |
4227 | int rc; | |
4228 | ||
4229 | /* This is a user write operation */ | |
4230 | debug->op = LPFC_IDIAG_OP_WR; | |
4231 | ||
4232 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
4233 | if (rc < 0) | |
4234 | return rc; | |
4235 | ||
4236 | /* Sanity check on command line arguments */ | |
4237 | ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX]; | |
4238 | value = idiag.cmd.data[IDIAG_CTLACC_VALUE_INDX]; | |
4239 | ||
4240 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR || | |
4241 | idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST || | |
4242 | idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) { | |
4243 | if (rc != LPFC_CTL_ACC_WR_CMD_ARG) | |
4244 | goto error_out; | |
4245 | if (ctl_reg_id > LPFC_CTL_MAX) | |
4246 | goto error_out; | |
4247 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD) { | |
4248 | if (rc != LPFC_CTL_ACC_RD_CMD_ARG) | |
4249 | goto error_out; | |
4250 | if ((ctl_reg_id > LPFC_CTL_MAX) && | |
4251 | (ctl_reg_id != LPFC_CTL_ACC_ALL)) | |
4252 | goto error_out; | |
4253 | } else | |
4254 | goto error_out; | |
4255 | ||
4256 | /* Perform the write access operation */ | |
4257 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR || | |
4258 | idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST || | |
4259 | idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) { | |
4260 | switch (ctl_reg_id) { | |
4261 | case LPFC_CTL_PORT_SEM: | |
4262 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
4263 | LPFC_CTL_PORT_SEM_OFFSET; | |
4264 | break; | |
4265 | case LPFC_CTL_PORT_STA: | |
4266 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
4267 | LPFC_CTL_PORT_STA_OFFSET; | |
4268 | break; | |
4269 | case LPFC_CTL_PORT_CTL: | |
4270 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
4271 | LPFC_CTL_PORT_CTL_OFFSET; | |
4272 | break; | |
4273 | case LPFC_CTL_PORT_ER1: | |
4274 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
4275 | LPFC_CTL_PORT_ER1_OFFSET; | |
4276 | break; | |
4277 | case LPFC_CTL_PORT_ER2: | |
4278 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
4279 | LPFC_CTL_PORT_ER2_OFFSET; | |
4280 | break; | |
4281 | case LPFC_CTL_PDEV_CTL: | |
4282 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
4283 | LPFC_CTL_PDEV_CTL_OFFSET; | |
4284 | break; | |
4285 | default: | |
4286 | goto error_out; | |
4287 | } | |
4288 | ||
4289 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR) | |
4290 | reg_val = value; | |
4291 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST) { | |
4292 | reg_val = readl(ctl_reg); | |
4293 | reg_val |= value; | |
4294 | } | |
4295 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) { | |
4296 | reg_val = readl(ctl_reg); | |
4297 | reg_val &= ~value; | |
4298 | } | |
4299 | writel(reg_val, ctl_reg); | |
4300 | readl(ctl_reg); /* flush */ | |
4301 | } | |
4302 | return nbytes; | |
4303 | ||
4304 | error_out: | |
4305 | /* Clean out command structure on command error out */ | |
4306 | memset(&idiag, 0, sizeof(idiag)); | |
4307 | return -EINVAL; | |
4308 | } | |
4309 | ||
4310 | /** | |
4311 | * lpfc_idiag_mbxacc_get_setup - idiag debugfs get mailbox access setup | |
4312 | * @phba: Pointer to HBA context object. | |
4313 | * @pbuffer: Pointer to data buffer. | |
4314 | * | |
4315 | * Description: | |
4316 | * This routine gets the driver mailbox access debugfs setup information. | |
4317 | * | |
4318 | * Returns: | |
4319 | * This function returns the amount of data that was read (this could be less | |
4320 | * than @nbytes if the end of the file was reached) or a negative error value. | |
4321 | **/ | |
4322 | static int | |
4323 | lpfc_idiag_mbxacc_get_setup(struct lpfc_hba *phba, char *pbuffer) | |
4324 | { | |
4325 | uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd; | |
4326 | int len = 0; | |
4327 | ||
4328 | mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX]; | |
4329 | mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX]; | |
4330 | mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX]; | |
4331 | mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX]; | |
4332 | ||
4333 | len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len, | |
4334 | "mbx_dump_map: 0x%08x\n", mbx_dump_map); | |
4335 | len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len, | |
4336 | "mbx_dump_cnt: %04d\n", mbx_dump_cnt); | |
4337 | len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len, | |
4338 | "mbx_word_cnt: %04d\n", mbx_word_cnt); | |
4339 | len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len, | |
4340 | "mbx_mbox_cmd: 0x%02x\n", mbx_mbox_cmd); | |
4341 | ||
4342 | return len; | |
4343 | } | |
4344 | ||
4345 | /** | |
4346 | * lpfc_idiag_mbxacc_read - idiag debugfs read on mailbox access | |
4347 | * @file: The file pointer to read from. | |
4348 | * @buf: The buffer to copy the data to. | |
4349 | * @nbytes: The number of bytes to read. | |
4350 | * @ppos: The position in the file to start reading from. | |
4351 | * | |
4352 | * Description: | |
4353 | * This routine reads data from the @phba driver mailbox access debugfs setup | |
4354 | * information. | |
4355 | * | |
4356 | * Returns: | |
4357 | * This function returns the amount of data that was read (this could be less | |
4358 | * than @nbytes if the end of the file was reached) or a negative error value. | |
4359 | **/ | |
4360 | static ssize_t | |
4361 | lpfc_idiag_mbxacc_read(struct file *file, char __user *buf, size_t nbytes, | |
4362 | loff_t *ppos) | |
4363 | { | |
4364 | struct lpfc_debug *debug = file->private_data; | |
4365 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
4366 | char *pbuffer; | |
4367 | int len = 0; | |
4368 | ||
4369 | /* This is a user read operation */ | |
4370 | debug->op = LPFC_IDIAG_OP_RD; | |
4371 | ||
4372 | if (!debug->buffer) | |
4373 | debug->buffer = kmalloc(LPFC_MBX_ACC_BUF_SIZE, GFP_KERNEL); | |
4374 | if (!debug->buffer) | |
4375 | return 0; | |
4376 | pbuffer = debug->buffer; | |
4377 | ||
4378 | if (*ppos) | |
4379 | return 0; | |
4380 | ||
4381 | if ((idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP) && | |
4382 | (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP)) | |
4383 | return 0; | |
4384 | ||
4385 | len = lpfc_idiag_mbxacc_get_setup(phba, pbuffer); | |
4386 | ||
4387 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
4388 | } | |
4389 | ||
4390 | /** | |
4391 | * lpfc_idiag_mbxacc_write - Syntax check and set up idiag mbxacc commands | |
4392 | * @file: The file pointer to read from. | |
4393 | * @buf: The buffer to copy the user data from. | |
4394 | * @nbytes: The number of bytes to get. | |
4395 | * @ppos: The position in the file to start reading from. | |
4396 | * | |
4397 | * This routine get the debugfs idiag command struct from user space and then | |
4398 | * perform the syntax check for driver mailbox command (dump) and sets up the | |
4399 | * necessary states in the idiag command struct accordingly. | |
4400 | * | |
4401 | * It returns the @nbytges passing in from debugfs user space when successful. | |
4402 | * In case of error conditions, it returns proper error code back to the user | |
4403 | * space. | |
4404 | **/ | |
4405 | static ssize_t | |
4406 | lpfc_idiag_mbxacc_write(struct file *file, const char __user *buf, | |
4407 | size_t nbytes, loff_t *ppos) | |
4408 | { | |
4409 | struct lpfc_debug *debug = file->private_data; | |
4410 | uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd; | |
4411 | int rc; | |
4412 | ||
4413 | /* This is a user write operation */ | |
4414 | debug->op = LPFC_IDIAG_OP_WR; | |
4415 | ||
4416 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
4417 | if (rc < 0) | |
4418 | return rc; | |
4419 | ||
4420 | /* Sanity check on command line arguments */ | |
4421 | mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX]; | |
4422 | mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX]; | |
4423 | mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX]; | |
4424 | mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX]; | |
4425 | ||
4426 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_MBXACC_DP) { | |
4427 | if (!(mbx_dump_map & LPFC_MBX_DMP_MBX_ALL)) | |
4428 | goto error_out; | |
4429 | if ((mbx_dump_map & ~LPFC_MBX_DMP_MBX_ALL) && | |
4430 | (mbx_dump_map != LPFC_MBX_DMP_ALL)) | |
4431 | goto error_out; | |
4432 | if (mbx_word_cnt > sizeof(MAILBOX_t)) | |
4433 | goto error_out; | |
4434 | } else if (idiag.cmd.opcode == LPFC_IDIAG_BSG_MBXACC_DP) { | |
4435 | if (!(mbx_dump_map & LPFC_BSG_DMP_MBX_ALL)) | |
4436 | goto error_out; | |
4437 | if ((mbx_dump_map & ~LPFC_BSG_DMP_MBX_ALL) && | |
4438 | (mbx_dump_map != LPFC_MBX_DMP_ALL)) | |
4439 | goto error_out; | |
4440 | if (mbx_word_cnt > (BSG_MBOX_SIZE)/4) | |
4441 | goto error_out; | |
4442 | if (mbx_mbox_cmd != 0x9b) | |
4443 | goto error_out; | |
4444 | } else | |
4445 | goto error_out; | |
4446 | ||
4447 | if (mbx_word_cnt == 0) | |
4448 | goto error_out; | |
4449 | if (rc != LPFC_MBX_DMP_ARG) | |
4450 | goto error_out; | |
4451 | if (mbx_mbox_cmd & ~0xff) | |
4452 | goto error_out; | |
4453 | ||
4454 | /* condition for stop mailbox dump */ | |
4455 | if (mbx_dump_cnt == 0) | |
4456 | goto reset_out; | |
4457 | ||
4458 | return nbytes; | |
4459 | ||
4460 | reset_out: | |
4461 | /* Clean out command structure on command error out */ | |
4462 | memset(&idiag, 0, sizeof(idiag)); | |
4463 | return nbytes; | |
4464 | ||
4465 | error_out: | |
4466 | /* Clean out command structure on command error out */ | |
4467 | memset(&idiag, 0, sizeof(idiag)); | |
4468 | return -EINVAL; | |
4469 | } | |
4470 | ||
4471 | /** | |
4472 | * lpfc_idiag_extacc_avail_get - get the available extents information | |
4473 | * @phba: pointer to lpfc hba data structure. | |
4474 | * @pbuffer: pointer to internal buffer. | |
4475 | * @len: length into the internal buffer data has been copied. | |
4476 | * | |
4477 | * Description: | |
4478 | * This routine is to get the available extent information. | |
4479 | * | |
4480 | * Returns: | |
4481 | * overall lenth of the data read into the internal buffer. | |
4482 | **/ | |
4483 | static int | |
4484 | lpfc_idiag_extacc_avail_get(struct lpfc_hba *phba, char *pbuffer, int len) | |
4485 | { | |
4486 | uint16_t ext_cnt, ext_size; | |
4487 | ||
4488 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4489 | "\nAvailable Extents Information:\n"); | |
4490 | ||
4491 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4492 | "\tPort Available VPI extents: "); | |
4493 | lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VPI, | |
4494 | &ext_cnt, &ext_size); | |
4495 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4496 | "Count %3d, Size %3d\n", ext_cnt, ext_size); | |
4497 | ||
4498 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4499 | "\tPort Available VFI extents: "); | |
4500 | lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VFI, | |
4501 | &ext_cnt, &ext_size); | |
4502 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4503 | "Count %3d, Size %3d\n", ext_cnt, ext_size); | |
4504 | ||
4505 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4506 | "\tPort Available RPI extents: "); | |
4507 | lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_RPI, | |
4508 | &ext_cnt, &ext_size); | |
4509 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4510 | "Count %3d, Size %3d\n", ext_cnt, ext_size); | |
4511 | ||
4512 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4513 | "\tPort Available XRI extents: "); | |
4514 | lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_XRI, | |
4515 | &ext_cnt, &ext_size); | |
4516 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4517 | "Count %3d, Size %3d\n", ext_cnt, ext_size); | |
4518 | ||
4519 | return len; | |
4520 | } | |
4521 | ||
4522 | /** | |
4523 | * lpfc_idiag_extacc_alloc_get - get the allocated extents information | |
4524 | * @phba: pointer to lpfc hba data structure. | |
4525 | * @pbuffer: pointer to internal buffer. | |
4526 | * @len: length into the internal buffer data has been copied. | |
4527 | * | |
4528 | * Description: | |
4529 | * This routine is to get the allocated extent information. | |
4530 | * | |
4531 | * Returns: | |
4532 | * overall lenth of the data read into the internal buffer. | |
4533 | **/ | |
4534 | static int | |
4535 | lpfc_idiag_extacc_alloc_get(struct lpfc_hba *phba, char *pbuffer, int len) | |
4536 | { | |
4537 | uint16_t ext_cnt, ext_size; | |
4538 | int rc; | |
4539 | ||
4540 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4541 | "\nAllocated Extents Information:\n"); | |
4542 | ||
4543 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4544 | "\tHost Allocated VPI extents: "); | |
4545 | rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VPI, | |
4546 | &ext_cnt, &ext_size); | |
4547 | if (!rc) | |
4548 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4549 | "Port %d Extent %3d, Size %3d\n", | |
4550 | phba->brd_no, ext_cnt, ext_size); | |
4551 | else | |
4552 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4553 | "N/A\n"); | |
4554 | ||
4555 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4556 | "\tHost Allocated VFI extents: "); | |
4557 | rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VFI, | |
4558 | &ext_cnt, &ext_size); | |
4559 | if (!rc) | |
4560 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4561 | "Port %d Extent %3d, Size %3d\n", | |
4562 | phba->brd_no, ext_cnt, ext_size); | |
4563 | else | |
4564 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4565 | "N/A\n"); | |
4566 | ||
4567 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4568 | "\tHost Allocated RPI extents: "); | |
4569 | rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_RPI, | |
4570 | &ext_cnt, &ext_size); | |
4571 | if (!rc) | |
4572 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4573 | "Port %d Extent %3d, Size %3d\n", | |
4574 | phba->brd_no, ext_cnt, ext_size); | |
4575 | else | |
4576 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4577 | "N/A\n"); | |
4578 | ||
4579 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4580 | "\tHost Allocated XRI extents: "); | |
4581 | rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_XRI, | |
4582 | &ext_cnt, &ext_size); | |
4583 | if (!rc) | |
4584 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4585 | "Port %d Extent %3d, Size %3d\n", | |
4586 | phba->brd_no, ext_cnt, ext_size); | |
4587 | else | |
4588 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4589 | "N/A\n"); | |
4590 | ||
4591 | return len; | |
4592 | } | |
4593 | ||
4594 | /** | |
4595 | * lpfc_idiag_extacc_drivr_get - get driver extent information | |
4596 | * @phba: pointer to lpfc hba data structure. | |
4597 | * @pbuffer: pointer to internal buffer. | |
4598 | * @len: length into the internal buffer data has been copied. | |
4599 | * | |
4600 | * Description: | |
4601 | * This routine is to get the driver extent information. | |
4602 | * | |
4603 | * Returns: | |
4604 | * overall lenth of the data read into the internal buffer. | |
4605 | **/ | |
4606 | static int | |
4607 | lpfc_idiag_extacc_drivr_get(struct lpfc_hba *phba, char *pbuffer, int len) | |
4608 | { | |
4609 | struct lpfc_rsrc_blks *rsrc_blks; | |
4610 | int index; | |
4611 | ||
4612 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4613 | "\nDriver Extents Information:\n"); | |
4614 | ||
4615 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4616 | "\tVPI extents:\n"); | |
4617 | index = 0; | |
4618 | list_for_each_entry(rsrc_blks, &phba->lpfc_vpi_blk_list, list) { | |
4619 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4620 | "\t\tBlock %3d: Start %4d, Count %4d\n", | |
4621 | index, rsrc_blks->rsrc_start, | |
4622 | rsrc_blks->rsrc_size); | |
4623 | index++; | |
4624 | } | |
4625 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4626 | "\tVFI extents:\n"); | |
4627 | index = 0; | |
4628 | list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_vfi_blk_list, | |
4629 | list) { | |
4630 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4631 | "\t\tBlock %3d: Start %4d, Count %4d\n", | |
4632 | index, rsrc_blks->rsrc_start, | |
4633 | rsrc_blks->rsrc_size); | |
4634 | index++; | |
4635 | } | |
4636 | ||
4637 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4638 | "\tRPI extents:\n"); | |
4639 | index = 0; | |
4640 | list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_rpi_blk_list, | |
4641 | list) { | |
4642 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4643 | "\t\tBlock %3d: Start %4d, Count %4d\n", | |
4644 | index, rsrc_blks->rsrc_start, | |
4645 | rsrc_blks->rsrc_size); | |
4646 | index++; | |
4647 | } | |
4648 | ||
4649 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4650 | "\tXRI extents:\n"); | |
4651 | index = 0; | |
4652 | list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_xri_blk_list, | |
4653 | list) { | |
4654 | len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, | |
4655 | "\t\tBlock %3d: Start %4d, Count %4d\n", | |
4656 | index, rsrc_blks->rsrc_start, | |
4657 | rsrc_blks->rsrc_size); | |
4658 | index++; | |
4659 | } | |
4660 | ||
4661 | return len; | |
4662 | } | |
4663 | ||
4664 | /** | |
4665 | * lpfc_idiag_extacc_write - Syntax check and set up idiag extacc commands | |
4666 | * @file: The file pointer to read from. | |
4667 | * @buf: The buffer to copy the user data from. | |
4668 | * @nbytes: The number of bytes to get. | |
4669 | * @ppos: The position in the file to start reading from. | |
4670 | * | |
4671 | * This routine get the debugfs idiag command struct from user space and then | |
4672 | * perform the syntax check for extent information access commands and sets | |
4673 | * up the necessary states in the idiag command struct accordingly. | |
4674 | * | |
4675 | * It returns the @nbytges passing in from debugfs user space when successful. | |
4676 | * In case of error conditions, it returns proper error code back to the user | |
4677 | * space. | |
4678 | **/ | |
4679 | static ssize_t | |
4680 | lpfc_idiag_extacc_write(struct file *file, const char __user *buf, | |
4681 | size_t nbytes, loff_t *ppos) | |
4682 | { | |
4683 | struct lpfc_debug *debug = file->private_data; | |
4684 | uint32_t ext_map; | |
4685 | int rc; | |
4686 | ||
4687 | /* This is a user write operation */ | |
4688 | debug->op = LPFC_IDIAG_OP_WR; | |
4689 | ||
4690 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
4691 | if (rc < 0) | |
4692 | return rc; | |
4693 | ||
4694 | ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX]; | |
4695 | ||
4696 | if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD) | |
4697 | goto error_out; | |
4698 | if (rc != LPFC_EXT_ACC_CMD_ARG) | |
4699 | goto error_out; | |
4700 | if (!(ext_map & LPFC_EXT_ACC_ALL)) | |
4701 | goto error_out; | |
4702 | ||
4703 | return nbytes; | |
4704 | error_out: | |
4705 | /* Clean out command structure on command error out */ | |
4706 | memset(&idiag, 0, sizeof(idiag)); | |
4707 | return -EINVAL; | |
4708 | } | |
4709 | ||
4710 | /** | |
4711 | * lpfc_idiag_extacc_read - idiag debugfs read access to extent information | |
4712 | * @file: The file pointer to read from. | |
4713 | * @buf: The buffer to copy the data to. | |
4714 | * @nbytes: The number of bytes to read. | |
4715 | * @ppos: The position in the file to start reading from. | |
4716 | * | |
4717 | * Description: | |
4718 | * This routine reads data from the proper extent information according to | |
4719 | * the idiag command, and copies to user @buf. | |
4720 | * | |
4721 | * Returns: | |
4722 | * This function returns the amount of data that was read (this could be less | |
4723 | * than @nbytes if the end of the file was reached) or a negative error value. | |
4724 | **/ | |
4725 | static ssize_t | |
4726 | lpfc_idiag_extacc_read(struct file *file, char __user *buf, size_t nbytes, | |
4727 | loff_t *ppos) | |
4728 | { | |
4729 | struct lpfc_debug *debug = file->private_data; | |
4730 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
4731 | char *pbuffer; | |
4732 | uint32_t ext_map; | |
4733 | int len = 0; | |
4734 | ||
4735 | /* This is a user read operation */ | |
4736 | debug->op = LPFC_IDIAG_OP_RD; | |
4737 | ||
4738 | if (!debug->buffer) | |
4739 | debug->buffer = kmalloc(LPFC_EXT_ACC_BUF_SIZE, GFP_KERNEL); | |
4740 | if (!debug->buffer) | |
4741 | return 0; | |
4742 | pbuffer = debug->buffer; | |
4743 | if (*ppos) | |
4744 | return 0; | |
4745 | if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD) | |
4746 | return 0; | |
4747 | ||
4748 | ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX]; | |
4749 | if (ext_map & LPFC_EXT_ACC_AVAIL) | |
4750 | len = lpfc_idiag_extacc_avail_get(phba, pbuffer, len); | |
4751 | if (ext_map & LPFC_EXT_ACC_ALLOC) | |
4752 | len = lpfc_idiag_extacc_alloc_get(phba, pbuffer, len); | |
4753 | if (ext_map & LPFC_EXT_ACC_DRIVR) | |
4754 | len = lpfc_idiag_extacc_drivr_get(phba, pbuffer, len); | |
4755 | ||
4756 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
4757 | } | |
4758 | ||
4759 | #undef lpfc_debugfs_op_disc_trc | |
4760 | static const struct file_operations lpfc_debugfs_op_disc_trc = { | |
4761 | .owner = THIS_MODULE, | |
4762 | .open = lpfc_debugfs_disc_trc_open, | |
4763 | .llseek = lpfc_debugfs_lseek, | |
4764 | .read = lpfc_debugfs_read, | |
4765 | .release = lpfc_debugfs_release, | |
4766 | }; | |
4767 | ||
4768 | #undef lpfc_debugfs_op_nodelist | |
4769 | static const struct file_operations lpfc_debugfs_op_nodelist = { | |
4770 | .owner = THIS_MODULE, | |
4771 | .open = lpfc_debugfs_nodelist_open, | |
4772 | .llseek = lpfc_debugfs_lseek, | |
4773 | .read = lpfc_debugfs_read, | |
4774 | .release = lpfc_debugfs_release, | |
4775 | }; | |
4776 | ||
4777 | #undef lpfc_debugfs_op_hbqinfo | |
4778 | static const struct file_operations lpfc_debugfs_op_hbqinfo = { | |
4779 | .owner = THIS_MODULE, | |
4780 | .open = lpfc_debugfs_hbqinfo_open, | |
4781 | .llseek = lpfc_debugfs_lseek, | |
4782 | .read = lpfc_debugfs_read, | |
4783 | .release = lpfc_debugfs_release, | |
4784 | }; | |
4785 | ||
4786 | #undef lpfc_debugfs_op_dumpHBASlim | |
4787 | static const struct file_operations lpfc_debugfs_op_dumpHBASlim = { | |
4788 | .owner = THIS_MODULE, | |
4789 | .open = lpfc_debugfs_dumpHBASlim_open, | |
4790 | .llseek = lpfc_debugfs_lseek, | |
4791 | .read = lpfc_debugfs_read, | |
4792 | .release = lpfc_debugfs_release, | |
4793 | }; | |
4794 | ||
4795 | #undef lpfc_debugfs_op_dumpHostSlim | |
4796 | static const struct file_operations lpfc_debugfs_op_dumpHostSlim = { | |
4797 | .owner = THIS_MODULE, | |
4798 | .open = lpfc_debugfs_dumpHostSlim_open, | |
4799 | .llseek = lpfc_debugfs_lseek, | |
4800 | .read = lpfc_debugfs_read, | |
4801 | .release = lpfc_debugfs_release, | |
4802 | }; | |
4803 | ||
bd2cdd5e JS |
4804 | #undef lpfc_debugfs_op_nvmestat |
4805 | static const struct file_operations lpfc_debugfs_op_nvmestat = { | |
4806 | .owner = THIS_MODULE, | |
4807 | .open = lpfc_debugfs_nvmestat_open, | |
4808 | .llseek = lpfc_debugfs_lseek, | |
4809 | .read = lpfc_debugfs_read, | |
2b65e182 | 4810 | .write = lpfc_debugfs_nvmestat_write, |
bd2cdd5e JS |
4811 | .release = lpfc_debugfs_release, |
4812 | }; | |
4813 | ||
4814 | #undef lpfc_debugfs_op_nvmektime | |
4815 | static const struct file_operations lpfc_debugfs_op_nvmektime = { | |
4816 | .owner = THIS_MODULE, | |
4817 | .open = lpfc_debugfs_nvmektime_open, | |
4818 | .llseek = lpfc_debugfs_lseek, | |
4819 | .read = lpfc_debugfs_read, | |
4820 | .write = lpfc_debugfs_nvmektime_write, | |
4821 | .release = lpfc_debugfs_release, | |
4822 | }; | |
4823 | ||
4824 | #undef lpfc_debugfs_op_nvmeio_trc | |
4825 | static const struct file_operations lpfc_debugfs_op_nvmeio_trc = { | |
4826 | .owner = THIS_MODULE, | |
4827 | .open = lpfc_debugfs_nvmeio_trc_open, | |
4828 | .llseek = lpfc_debugfs_lseek, | |
4829 | .read = lpfc_debugfs_read, | |
4830 | .write = lpfc_debugfs_nvmeio_trc_write, | |
4831 | .release = lpfc_debugfs_release, | |
4832 | }; | |
4833 | ||
4834 | #undef lpfc_debugfs_op_cpucheck | |
4835 | static const struct file_operations lpfc_debugfs_op_cpucheck = { | |
4836 | .owner = THIS_MODULE, | |
4837 | .open = lpfc_debugfs_cpucheck_open, | |
4838 | .llseek = lpfc_debugfs_lseek, | |
4839 | .read = lpfc_debugfs_read, | |
4840 | .write = lpfc_debugfs_cpucheck_write, | |
4841 | .release = lpfc_debugfs_release, | |
4842 | }; | |
4843 | ||
b76f2dc9 JS |
4844 | #undef lpfc_debugfs_op_dumpData |
4845 | static const struct file_operations lpfc_debugfs_op_dumpData = { | |
4846 | .owner = THIS_MODULE, | |
4847 | .open = lpfc_debugfs_dumpData_open, | |
4848 | .llseek = lpfc_debugfs_lseek, | |
4849 | .read = lpfc_debugfs_read, | |
4850 | .write = lpfc_debugfs_dumpDataDif_write, | |
4851 | .release = lpfc_debugfs_dumpDataDif_release, | |
4852 | }; | |
4853 | ||
4854 | #undef lpfc_debugfs_op_dumpDif | |
4855 | static const struct file_operations lpfc_debugfs_op_dumpDif = { | |
e2a0a9d6 JS |
4856 | .owner = THIS_MODULE, |
4857 | .open = lpfc_debugfs_dumpDif_open, | |
4858 | .llseek = lpfc_debugfs_lseek, | |
4859 | .read = lpfc_debugfs_read, | |
4860 | .write = lpfc_debugfs_dumpDataDif_write, | |
4861 | .release = lpfc_debugfs_dumpDataDif_release, | |
4862 | }; | |
4863 | ||
f9bb2da1 JS |
4864 | #undef lpfc_debugfs_op_dif_err |
4865 | static const struct file_operations lpfc_debugfs_op_dif_err = { | |
4866 | .owner = THIS_MODULE, | |
234e3405 | 4867 | .open = simple_open, |
f9bb2da1 JS |
4868 | .llseek = lpfc_debugfs_lseek, |
4869 | .read = lpfc_debugfs_dif_err_read, | |
4870 | .write = lpfc_debugfs_dif_err_write, | |
4871 | .release = lpfc_debugfs_dif_err_release, | |
4872 | }; | |
4873 | ||
a58cbd52 | 4874 | #undef lpfc_debugfs_op_slow_ring_trc |
71fa7421 | 4875 | static const struct file_operations lpfc_debugfs_op_slow_ring_trc = { |
a58cbd52 JS |
4876 | .owner = THIS_MODULE, |
4877 | .open = lpfc_debugfs_slow_ring_trc_open, | |
4878 | .llseek = lpfc_debugfs_lseek, | |
4879 | .read = lpfc_debugfs_read, | |
4880 | .release = lpfc_debugfs_release, | |
4881 | }; | |
4882 | ||
858c9f6c JS |
4883 | static struct dentry *lpfc_debugfs_root = NULL; |
4884 | static atomic_t lpfc_debugfs_hba_count; | |
2a622bfb JS |
4885 | |
4886 | /* | |
4887 | * File operations for the iDiag debugfs | |
4888 | */ | |
4889 | #undef lpfc_idiag_op_pciCfg | |
4890 | static const struct file_operations lpfc_idiag_op_pciCfg = { | |
4891 | .owner = THIS_MODULE, | |
4892 | .open = lpfc_idiag_open, | |
4893 | .llseek = lpfc_debugfs_lseek, | |
4894 | .read = lpfc_idiag_pcicfg_read, | |
4895 | .write = lpfc_idiag_pcicfg_write, | |
4896 | .release = lpfc_idiag_cmd_release, | |
4897 | }; | |
4898 | ||
b76f2dc9 JS |
4899 | #undef lpfc_idiag_op_barAcc |
4900 | static const struct file_operations lpfc_idiag_op_barAcc = { | |
4901 | .owner = THIS_MODULE, | |
4902 | .open = lpfc_idiag_open, | |
4903 | .llseek = lpfc_debugfs_lseek, | |
4904 | .read = lpfc_idiag_baracc_read, | |
4905 | .write = lpfc_idiag_baracc_write, | |
4906 | .release = lpfc_idiag_cmd_release, | |
4907 | }; | |
4908 | ||
2a622bfb JS |
4909 | #undef lpfc_idiag_op_queInfo |
4910 | static const struct file_operations lpfc_idiag_op_queInfo = { | |
4911 | .owner = THIS_MODULE, | |
4912 | .open = lpfc_idiag_open, | |
4913 | .read = lpfc_idiag_queinfo_read, | |
4914 | .release = lpfc_idiag_release, | |
4915 | }; | |
4916 | ||
b76f2dc9 | 4917 | #undef lpfc_idiag_op_queAcc |
86a80846 JS |
4918 | static const struct file_operations lpfc_idiag_op_queAcc = { |
4919 | .owner = THIS_MODULE, | |
4920 | .open = lpfc_idiag_open, | |
4921 | .llseek = lpfc_debugfs_lseek, | |
4922 | .read = lpfc_idiag_queacc_read, | |
4923 | .write = lpfc_idiag_queacc_write, | |
4924 | .release = lpfc_idiag_cmd_release, | |
4925 | }; | |
4926 | ||
b76f2dc9 | 4927 | #undef lpfc_idiag_op_drbAcc |
86a80846 JS |
4928 | static const struct file_operations lpfc_idiag_op_drbAcc = { |
4929 | .owner = THIS_MODULE, | |
4930 | .open = lpfc_idiag_open, | |
4931 | .llseek = lpfc_debugfs_lseek, | |
4932 | .read = lpfc_idiag_drbacc_read, | |
4933 | .write = lpfc_idiag_drbacc_write, | |
4934 | .release = lpfc_idiag_cmd_release, | |
4935 | }; | |
4936 | ||
b76f2dc9 JS |
4937 | #undef lpfc_idiag_op_ctlAcc |
4938 | static const struct file_operations lpfc_idiag_op_ctlAcc = { | |
4939 | .owner = THIS_MODULE, | |
4940 | .open = lpfc_idiag_open, | |
4941 | .llseek = lpfc_debugfs_lseek, | |
4942 | .read = lpfc_idiag_ctlacc_read, | |
4943 | .write = lpfc_idiag_ctlacc_write, | |
4944 | .release = lpfc_idiag_cmd_release, | |
4945 | }; | |
4946 | ||
4947 | #undef lpfc_idiag_op_mbxAcc | |
4948 | static const struct file_operations lpfc_idiag_op_mbxAcc = { | |
4949 | .owner = THIS_MODULE, | |
4950 | .open = lpfc_idiag_open, | |
4951 | .llseek = lpfc_debugfs_lseek, | |
4952 | .read = lpfc_idiag_mbxacc_read, | |
4953 | .write = lpfc_idiag_mbxacc_write, | |
4954 | .release = lpfc_idiag_cmd_release, | |
4955 | }; | |
4956 | ||
4957 | #undef lpfc_idiag_op_extAcc | |
4958 | static const struct file_operations lpfc_idiag_op_extAcc = { | |
4959 | .owner = THIS_MODULE, | |
4960 | .open = lpfc_idiag_open, | |
4961 | .llseek = lpfc_debugfs_lseek, | |
4962 | .read = lpfc_idiag_extacc_read, | |
4963 | .write = lpfc_idiag_extacc_write, | |
4964 | .release = lpfc_idiag_cmd_release, | |
4965 | }; | |
4966 | ||
858c9f6c JS |
4967 | #endif |
4968 | ||
b76f2dc9 JS |
4969 | /* lpfc_idiag_mbxacc_dump_bsg_mbox - idiag debugfs dump bsg mailbox command |
4970 | * @phba: Pointer to HBA context object. | |
4971 | * @dmabuf: Pointer to a DMA buffer descriptor. | |
4972 | * | |
4973 | * Description: | |
4974 | * This routine dump a bsg pass-through non-embedded mailbox command with | |
4975 | * external buffer. | |
4976 | **/ | |
4977 | void | |
4978 | lpfc_idiag_mbxacc_dump_bsg_mbox(struct lpfc_hba *phba, enum nemb_type nemb_tp, | |
4979 | enum mbox_type mbox_tp, enum dma_type dma_tp, | |
4980 | enum sta_type sta_tp, | |
4981 | struct lpfc_dmabuf *dmabuf, uint32_t ext_buf) | |
4982 | { | |
4983 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS | |
4984 | uint32_t *mbx_mbox_cmd, *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt; | |
4985 | char line_buf[LPFC_MBX_ACC_LBUF_SZ]; | |
4986 | int len = 0; | |
4987 | uint32_t do_dump = 0; | |
4988 | uint32_t *pword; | |
4989 | uint32_t i; | |
4990 | ||
4991 | if (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP) | |
4992 | return; | |
4993 | ||
4994 | mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX]; | |
4995 | mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX]; | |
4996 | mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX]; | |
4997 | mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX]; | |
4998 | ||
4999 | if (!(*mbx_dump_map & LPFC_MBX_DMP_ALL) || | |
5000 | (*mbx_dump_cnt == 0) || | |
5001 | (*mbx_word_cnt == 0)) | |
5002 | return; | |
5003 | ||
5004 | if (*mbx_mbox_cmd != 0x9B) | |
5005 | return; | |
5006 | ||
5007 | if ((mbox_tp == mbox_rd) && (dma_tp == dma_mbox)) { | |
5008 | if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_MBX) { | |
5009 | do_dump |= LPFC_BSG_DMP_MBX_RD_MBX; | |
2ea259ee | 5010 | pr_err("\nRead mbox command (x%x), " |
b76f2dc9 JS |
5011 | "nemb:0x%x, extbuf_cnt:%d:\n", |
5012 | sta_tp, nemb_tp, ext_buf); | |
5013 | } | |
5014 | } | |
5015 | if ((mbox_tp == mbox_rd) && (dma_tp == dma_ebuf)) { | |
5016 | if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_BUF) { | |
5017 | do_dump |= LPFC_BSG_DMP_MBX_RD_BUF; | |
2ea259ee | 5018 | pr_err("\nRead mbox buffer (x%x), " |
b76f2dc9 JS |
5019 | "nemb:0x%x, extbuf_seq:%d:\n", |
5020 | sta_tp, nemb_tp, ext_buf); | |
5021 | } | |
5022 | } | |
5023 | if ((mbox_tp == mbox_wr) && (dma_tp == dma_mbox)) { | |
5024 | if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_MBX) { | |
5025 | do_dump |= LPFC_BSG_DMP_MBX_WR_MBX; | |
2ea259ee | 5026 | pr_err("\nWrite mbox command (x%x), " |
b76f2dc9 JS |
5027 | "nemb:0x%x, extbuf_cnt:%d:\n", |
5028 | sta_tp, nemb_tp, ext_buf); | |
5029 | } | |
5030 | } | |
5031 | if ((mbox_tp == mbox_wr) && (dma_tp == dma_ebuf)) { | |
5032 | if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_BUF) { | |
5033 | do_dump |= LPFC_BSG_DMP_MBX_WR_BUF; | |
2ea259ee | 5034 | pr_err("\nWrite mbox buffer (x%x), " |
b76f2dc9 JS |
5035 | "nemb:0x%x, extbuf_seq:%d:\n", |
5036 | sta_tp, nemb_tp, ext_buf); | |
5037 | } | |
5038 | } | |
5039 | ||
5040 | /* dump buffer content */ | |
5041 | if (do_dump) { | |
5042 | pword = (uint32_t *)dmabuf->virt; | |
5043 | for (i = 0; i < *mbx_word_cnt; i++) { | |
5044 | if (!(i % 8)) { | |
5045 | if (i != 0) | |
2ea259ee | 5046 | pr_err("%s\n", line_buf); |
b76f2dc9 JS |
5047 | len = 0; |
5048 | len += snprintf(line_buf+len, | |
5049 | LPFC_MBX_ACC_LBUF_SZ-len, | |
5050 | "%03d: ", i); | |
5051 | } | |
5052 | len += snprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len, | |
5053 | "%08x ", (uint32_t)*pword); | |
5054 | pword++; | |
5055 | } | |
5056 | if ((i - 1) % 8) | |
2ea259ee | 5057 | pr_err("%s\n", line_buf); |
b76f2dc9 JS |
5058 | (*mbx_dump_cnt)--; |
5059 | } | |
5060 | ||
5061 | /* Clean out command structure on reaching dump count */ | |
5062 | if (*mbx_dump_cnt == 0) | |
5063 | memset(&idiag, 0, sizeof(idiag)); | |
5064 | return; | |
5065 | #endif | |
5066 | } | |
5067 | ||
5068 | /* lpfc_idiag_mbxacc_dump_issue_mbox - idiag debugfs dump issue mailbox command | |
5069 | * @phba: Pointer to HBA context object. | |
5070 | * @dmabuf: Pointer to a DMA buffer descriptor. | |
5071 | * | |
5072 | * Description: | |
5073 | * This routine dump a pass-through non-embedded mailbox command from issue | |
5074 | * mailbox command. | |
5075 | **/ | |
5076 | void | |
5077 | lpfc_idiag_mbxacc_dump_issue_mbox(struct lpfc_hba *phba, MAILBOX_t *pmbox) | |
5078 | { | |
5079 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS | |
5080 | uint32_t *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt, *mbx_mbox_cmd; | |
5081 | char line_buf[LPFC_MBX_ACC_LBUF_SZ]; | |
5082 | int len = 0; | |
5083 | uint32_t *pword; | |
5084 | uint8_t *pbyte; | |
5085 | uint32_t i, j; | |
5086 | ||
5087 | if (idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP) | |
5088 | return; | |
5089 | ||
5090 | mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX]; | |
5091 | mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX]; | |
5092 | mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX]; | |
5093 | mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX]; | |
5094 | ||
5095 | if (!(*mbx_dump_map & LPFC_MBX_DMP_MBX_ALL) || | |
5096 | (*mbx_dump_cnt == 0) || | |
5097 | (*mbx_word_cnt == 0)) | |
5098 | return; | |
5099 | ||
5100 | if ((*mbx_mbox_cmd != LPFC_MBX_ALL_CMD) && | |
5101 | (*mbx_mbox_cmd != pmbox->mbxCommand)) | |
5102 | return; | |
5103 | ||
5104 | /* dump buffer content */ | |
5105 | if (*mbx_dump_map & LPFC_MBX_DMP_MBX_WORD) { | |
2ea259ee | 5106 | pr_err("Mailbox command:0x%x dump by word:\n", |
b76f2dc9 JS |
5107 | pmbox->mbxCommand); |
5108 | pword = (uint32_t *)pmbox; | |
5109 | for (i = 0; i < *mbx_word_cnt; i++) { | |
5110 | if (!(i % 8)) { | |
5111 | if (i != 0) | |
2ea259ee | 5112 | pr_err("%s\n", line_buf); |
b76f2dc9 JS |
5113 | len = 0; |
5114 | memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ); | |
5115 | len += snprintf(line_buf+len, | |
5116 | LPFC_MBX_ACC_LBUF_SZ-len, | |
5117 | "%03d: ", i); | |
5118 | } | |
5119 | len += snprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len, | |
5120 | "%08x ", | |
5121 | ((uint32_t)*pword) & 0xffffffff); | |
5122 | pword++; | |
5123 | } | |
5124 | if ((i - 1) % 8) | |
2ea259ee JS |
5125 | pr_err("%s\n", line_buf); |
5126 | pr_err("\n"); | |
b76f2dc9 JS |
5127 | } |
5128 | if (*mbx_dump_map & LPFC_MBX_DMP_MBX_BYTE) { | |
2ea259ee | 5129 | pr_err("Mailbox command:0x%x dump by byte:\n", |
b76f2dc9 JS |
5130 | pmbox->mbxCommand); |
5131 | pbyte = (uint8_t *)pmbox; | |
5132 | for (i = 0; i < *mbx_word_cnt; i++) { | |
5133 | if (!(i % 8)) { | |
5134 | if (i != 0) | |
2ea259ee | 5135 | pr_err("%s\n", line_buf); |
b76f2dc9 JS |
5136 | len = 0; |
5137 | memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ); | |
5138 | len += snprintf(line_buf+len, | |
5139 | LPFC_MBX_ACC_LBUF_SZ-len, | |
5140 | "%03d: ", i); | |
5141 | } | |
5142 | for (j = 0; j < 4; j++) { | |
5143 | len += snprintf(line_buf+len, | |
5144 | LPFC_MBX_ACC_LBUF_SZ-len, | |
5145 | "%02x", | |
5146 | ((uint8_t)*pbyte) & 0xff); | |
5147 | pbyte++; | |
5148 | } | |
5149 | len += snprintf(line_buf+len, | |
5150 | LPFC_MBX_ACC_LBUF_SZ-len, " "); | |
5151 | } | |
5152 | if ((i - 1) % 8) | |
2ea259ee JS |
5153 | pr_err("%s\n", line_buf); |
5154 | pr_err("\n"); | |
b76f2dc9 JS |
5155 | } |
5156 | (*mbx_dump_cnt)--; | |
5157 | ||
5158 | /* Clean out command structure on reaching dump count */ | |
5159 | if (*mbx_dump_cnt == 0) | |
5160 | memset(&idiag, 0, sizeof(idiag)); | |
5161 | return; | |
5162 | #endif | |
5163 | } | |
5164 | ||
e59058c4 | 5165 | /** |
3621a710 | 5166 | * lpfc_debugfs_initialize - Initialize debugfs for a vport |
e59058c4 JS |
5167 | * @vport: The vport pointer to initialize. |
5168 | * | |
5169 | * Description: | |
5170 | * When Debugfs is configured this routine sets up the lpfc debugfs file system. | |
5171 | * If not already created, this routine will create the lpfc directory, and | |
5172 | * lpfcX directory (for this HBA), and vportX directory for this vport. It will | |
5173 | * also create each file used to access lpfc specific debugfs information. | |
5174 | **/ | |
858c9f6c JS |
5175 | inline void |
5176 | lpfc_debugfs_initialize(struct lpfc_vport *vport) | |
5177 | { | |
923e4b6a | 5178 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
858c9f6c JS |
5179 | struct lpfc_hba *phba = vport->phba; |
5180 | char name[64]; | |
5181 | uint32_t num, i; | |
f6c3bdfb | 5182 | bool pport_setup = false; |
858c9f6c JS |
5183 | |
5184 | if (!lpfc_debugfs_enable) | |
5185 | return; | |
5186 | ||
a58cbd52 | 5187 | /* Setup lpfc root directory */ |
858c9f6c JS |
5188 | if (!lpfc_debugfs_root) { |
5189 | lpfc_debugfs_root = debugfs_create_dir("lpfc", NULL); | |
5190 | atomic_set(&lpfc_debugfs_hba_count, 0); | |
a58cbd52 | 5191 | if (!lpfc_debugfs_root) { |
e8b62011 | 5192 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 5193 | "0408 Cannot create debugfs root\n"); |
858c9f6c | 5194 | goto debug_failed; |
a58cbd52 | 5195 | } |
858c9f6c | 5196 | } |
a58cbd52 JS |
5197 | if (!lpfc_debugfs_start_time) |
5198 | lpfc_debugfs_start_time = jiffies; | |
5199 | ||
2a622bfb JS |
5200 | /* Setup funcX directory for specific HBA PCI function */ |
5201 | snprintf(name, sizeof(name), "fn%d", phba->brd_no); | |
858c9f6c | 5202 | if (!phba->hba_debugfs_root) { |
f6c3bdfb | 5203 | pport_setup = true; |
858c9f6c JS |
5204 | phba->hba_debugfs_root = |
5205 | debugfs_create_dir(name, lpfc_debugfs_root); | |
a58cbd52 | 5206 | if (!phba->hba_debugfs_root) { |
e8b62011 | 5207 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 5208 | "0412 Cannot create debugfs hba\n"); |
858c9f6c | 5209 | goto debug_failed; |
a58cbd52 | 5210 | } |
858c9f6c JS |
5211 | atomic_inc(&lpfc_debugfs_hba_count); |
5212 | atomic_set(&phba->debugfs_vport_count, 0); | |
a58cbd52 | 5213 | |
78b2d852 JS |
5214 | /* Setup hbqinfo */ |
5215 | snprintf(name, sizeof(name), "hbqinfo"); | |
5216 | phba->debug_hbqinfo = | |
5217 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5218 | phba->hba_debugfs_root, | |
5219 | phba, &lpfc_debugfs_op_hbqinfo); | |
5220 | if (!phba->debug_hbqinfo) { | |
5221 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
d7c255b2 | 5222 | "0411 Cannot create debugfs hbqinfo\n"); |
78b2d852 JS |
5223 | goto debug_failed; |
5224 | } | |
5225 | ||
c95d6c6c | 5226 | /* Setup dumpHBASlim */ |
2a622bfb JS |
5227 | if (phba->sli_rev < LPFC_SLI_REV4) { |
5228 | snprintf(name, sizeof(name), "dumpHBASlim"); | |
5229 | phba->debug_dumpHBASlim = | |
5230 | debugfs_create_file(name, | |
5231 | S_IFREG|S_IRUGO|S_IWUSR, | |
5232 | phba->hba_debugfs_root, | |
5233 | phba, &lpfc_debugfs_op_dumpHBASlim); | |
5234 | if (!phba->debug_dumpHBASlim) { | |
5235 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5236 | "0413 Cannot create debugfs " | |
5237 | "dumpHBASlim\n"); | |
5238 | goto debug_failed; | |
5239 | } | |
5240 | } else | |
5241 | phba->debug_dumpHBASlim = NULL; | |
c95d6c6c JS |
5242 | |
5243 | /* Setup dumpHostSlim */ | |
2a622bfb JS |
5244 | if (phba->sli_rev < LPFC_SLI_REV4) { |
5245 | snprintf(name, sizeof(name), "dumpHostSlim"); | |
5246 | phba->debug_dumpHostSlim = | |
5247 | debugfs_create_file(name, | |
5248 | S_IFREG|S_IRUGO|S_IWUSR, | |
5249 | phba->hba_debugfs_root, | |
5250 | phba, &lpfc_debugfs_op_dumpHostSlim); | |
5251 | if (!phba->debug_dumpHostSlim) { | |
5252 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5253 | "0414 Cannot create debugfs " | |
5254 | "dumpHostSlim\n"); | |
5255 | goto debug_failed; | |
5256 | } | |
5257 | } else | |
b28d108b | 5258 | phba->debug_dumpHostSlim = NULL; |
a58cbd52 | 5259 | |
e2a0a9d6 JS |
5260 | /* Setup dumpData */ |
5261 | snprintf(name, sizeof(name), "dumpData"); | |
5262 | phba->debug_dumpData = | |
5263 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5264 | phba->hba_debugfs_root, | |
5265 | phba, &lpfc_debugfs_op_dumpData); | |
5266 | if (!phba->debug_dumpData) { | |
5267 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5268 | "0800 Cannot create debugfs dumpData\n"); | |
5269 | goto debug_failed; | |
5270 | } | |
5271 | ||
5272 | /* Setup dumpDif */ | |
5273 | snprintf(name, sizeof(name), "dumpDif"); | |
5274 | phba->debug_dumpDif = | |
5275 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5276 | phba->hba_debugfs_root, | |
5277 | phba, &lpfc_debugfs_op_dumpDif); | |
5278 | if (!phba->debug_dumpDif) { | |
5279 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5280 | "0801 Cannot create debugfs dumpDif\n"); | |
5281 | goto debug_failed; | |
5282 | } | |
5283 | ||
f9bb2da1 JS |
5284 | /* Setup DIF Error Injections */ |
5285 | snprintf(name, sizeof(name), "InjErrLBA"); | |
5286 | phba->debug_InjErrLBA = | |
5287 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5288 | phba->hba_debugfs_root, | |
5289 | phba, &lpfc_debugfs_op_dif_err); | |
5290 | if (!phba->debug_InjErrLBA) { | |
5291 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5292 | "0807 Cannot create debugfs InjErrLBA\n"); | |
5293 | goto debug_failed; | |
5294 | } | |
5295 | phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; | |
5296 | ||
4ac9b226 JS |
5297 | snprintf(name, sizeof(name), "InjErrNPortID"); |
5298 | phba->debug_InjErrNPortID = | |
5299 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5300 | phba->hba_debugfs_root, | |
5301 | phba, &lpfc_debugfs_op_dif_err); | |
5302 | if (!phba->debug_InjErrNPortID) { | |
5303 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5304 | "0809 Cannot create debugfs InjErrNPortID\n"); | |
5305 | goto debug_failed; | |
5306 | } | |
5307 | ||
5308 | snprintf(name, sizeof(name), "InjErrWWPN"); | |
5309 | phba->debug_InjErrWWPN = | |
5310 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5311 | phba->hba_debugfs_root, | |
5312 | phba, &lpfc_debugfs_op_dif_err); | |
5313 | if (!phba->debug_InjErrWWPN) { | |
5314 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5315 | "0810 Cannot create debugfs InjErrWWPN\n"); | |
5316 | goto debug_failed; | |
5317 | } | |
5318 | ||
f9bb2da1 JS |
5319 | snprintf(name, sizeof(name), "writeGuardInjErr"); |
5320 | phba->debug_writeGuard = | |
5321 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5322 | phba->hba_debugfs_root, | |
5323 | phba, &lpfc_debugfs_op_dif_err); | |
5324 | if (!phba->debug_writeGuard) { | |
5325 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5326 | "0802 Cannot create debugfs writeGuard\n"); | |
5327 | goto debug_failed; | |
5328 | } | |
5329 | ||
5330 | snprintf(name, sizeof(name), "writeAppInjErr"); | |
5331 | phba->debug_writeApp = | |
5332 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5333 | phba->hba_debugfs_root, | |
5334 | phba, &lpfc_debugfs_op_dif_err); | |
5335 | if (!phba->debug_writeApp) { | |
5336 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5337 | "0803 Cannot create debugfs writeApp\n"); | |
5338 | goto debug_failed; | |
5339 | } | |
5340 | ||
5341 | snprintf(name, sizeof(name), "writeRefInjErr"); | |
5342 | phba->debug_writeRef = | |
5343 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5344 | phba->hba_debugfs_root, | |
5345 | phba, &lpfc_debugfs_op_dif_err); | |
5346 | if (!phba->debug_writeRef) { | |
5347 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5348 | "0804 Cannot create debugfs writeRef\n"); | |
5349 | goto debug_failed; | |
5350 | } | |
5351 | ||
acd6859b JS |
5352 | snprintf(name, sizeof(name), "readGuardInjErr"); |
5353 | phba->debug_readGuard = | |
5354 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5355 | phba->hba_debugfs_root, | |
5356 | phba, &lpfc_debugfs_op_dif_err); | |
5357 | if (!phba->debug_readGuard) { | |
5358 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5359 | "0808 Cannot create debugfs readGuard\n"); | |
5360 | goto debug_failed; | |
5361 | } | |
5362 | ||
f9bb2da1 JS |
5363 | snprintf(name, sizeof(name), "readAppInjErr"); |
5364 | phba->debug_readApp = | |
5365 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5366 | phba->hba_debugfs_root, | |
5367 | phba, &lpfc_debugfs_op_dif_err); | |
5368 | if (!phba->debug_readApp) { | |
5369 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5370 | "0805 Cannot create debugfs readApp\n"); | |
5371 | goto debug_failed; | |
5372 | } | |
5373 | ||
5374 | snprintf(name, sizeof(name), "readRefInjErr"); | |
5375 | phba->debug_readRef = | |
5376 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5377 | phba->hba_debugfs_root, | |
5378 | phba, &lpfc_debugfs_op_dif_err); | |
5379 | if (!phba->debug_readRef) { | |
5380 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5381 | "0806 Cannot create debugfs readApp\n"); | |
5382 | goto debug_failed; | |
5383 | } | |
5384 | ||
a58cbd52 JS |
5385 | /* Setup slow ring trace */ |
5386 | if (lpfc_debugfs_max_slow_ring_trc) { | |
5387 | num = lpfc_debugfs_max_slow_ring_trc - 1; | |
5388 | if (num & lpfc_debugfs_max_slow_ring_trc) { | |
5389 | /* Change to be a power of 2 */ | |
5390 | num = lpfc_debugfs_max_slow_ring_trc; | |
5391 | i = 0; | |
5392 | while (num > 1) { | |
5393 | num = num >> 1; | |
5394 | i++; | |
5395 | } | |
5396 | lpfc_debugfs_max_slow_ring_trc = (1 << i); | |
2ea259ee | 5397 | pr_err("lpfc_debugfs_max_disc_trc changed to " |
e8b62011 | 5398 | "%d\n", lpfc_debugfs_max_disc_trc); |
a58cbd52 JS |
5399 | } |
5400 | } | |
5401 | ||
a58cbd52 JS |
5402 | snprintf(name, sizeof(name), "slow_ring_trace"); |
5403 | phba->debug_slow_ring_trc = | |
5404 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5405 | phba->hba_debugfs_root, | |
5406 | phba, &lpfc_debugfs_op_slow_ring_trc); | |
5407 | if (!phba->debug_slow_ring_trc) { | |
e8b62011 | 5408 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 5409 | "0415 Cannot create debugfs " |
e8b62011 | 5410 | "slow_ring_trace\n"); |
a58cbd52 JS |
5411 | goto debug_failed; |
5412 | } | |
5413 | if (!phba->slow_ring_trc) { | |
5414 | phba->slow_ring_trc = kmalloc( | |
5415 | (sizeof(struct lpfc_debugfs_trc) * | |
5416 | lpfc_debugfs_max_slow_ring_trc), | |
5417 | GFP_KERNEL); | |
5418 | if (!phba->slow_ring_trc) { | |
e8b62011 | 5419 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 5420 | "0416 Cannot create debugfs " |
e8b62011 | 5421 | "slow_ring buffer\n"); |
a58cbd52 JS |
5422 | goto debug_failed; |
5423 | } | |
5424 | atomic_set(&phba->slow_ring_trc_cnt, 0); | |
5425 | memset(phba->slow_ring_trc, 0, | |
5426 | (sizeof(struct lpfc_debugfs_trc) * | |
5427 | lpfc_debugfs_max_slow_ring_trc)); | |
5428 | } | |
2ea259ee | 5429 | |
bd2cdd5e JS |
5430 | snprintf(name, sizeof(name), "nvmeio_trc"); |
5431 | phba->debug_nvmeio_trc = | |
5432 | debugfs_create_file(name, 0644, | |
5433 | phba->hba_debugfs_root, | |
5434 | phba, &lpfc_debugfs_op_nvmeio_trc); | |
5435 | if (!phba->debug_nvmeio_trc) { | |
5436 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5437 | "0574 No create debugfs nvmeio_trc\n"); | |
5438 | goto debug_failed; | |
5439 | } | |
5440 | ||
5441 | atomic_set(&phba->nvmeio_trc_cnt, 0); | |
5442 | if (lpfc_debugfs_max_nvmeio_trc) { | |
5443 | num = lpfc_debugfs_max_nvmeio_trc - 1; | |
5444 | if (num & lpfc_debugfs_max_disc_trc) { | |
5445 | /* Change to be a power of 2 */ | |
5446 | num = lpfc_debugfs_max_nvmeio_trc; | |
5447 | i = 0; | |
5448 | while (num > 1) { | |
5449 | num = num >> 1; | |
5450 | i++; | |
5451 | } | |
5452 | lpfc_debugfs_max_nvmeio_trc = (1 << i); | |
5453 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5454 | "0575 lpfc_debugfs_max_nvmeio_trc " | |
5455 | "changed to %d\n", | |
5456 | lpfc_debugfs_max_nvmeio_trc); | |
5457 | } | |
5458 | phba->nvmeio_trc_size = lpfc_debugfs_max_nvmeio_trc; | |
5459 | ||
5460 | /* Allocate trace buffer and initialize */ | |
5461 | phba->nvmeio_trc = kmalloc( | |
5462 | (sizeof(struct lpfc_debugfs_nvmeio_trc) * | |
5463 | phba->nvmeio_trc_size), GFP_KERNEL); | |
5464 | ||
5465 | if (!phba->nvmeio_trc) { | |
5466 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5467 | "0576 Cannot create debugfs " | |
5468 | "nvmeio_trc buffer\n"); | |
5469 | goto nvmeio_off; | |
5470 | } | |
5471 | memset(phba->nvmeio_trc, 0, | |
5472 | (sizeof(struct lpfc_debugfs_nvmeio_trc) * | |
5473 | phba->nvmeio_trc_size)); | |
5474 | phba->nvmeio_trc_on = 1; | |
5475 | phba->nvmeio_trc_output_idx = 0; | |
5476 | phba->nvmeio_trc = NULL; | |
5477 | } else { | |
5478 | nvmeio_off: | |
5479 | phba->nvmeio_trc_size = 0; | |
5480 | phba->nvmeio_trc_on = 0; | |
5481 | phba->nvmeio_trc_output_idx = 0; | |
5482 | phba->nvmeio_trc = NULL; | |
5483 | } | |
858c9f6c JS |
5484 | } |
5485 | ||
5486 | snprintf(name, sizeof(name), "vport%d", vport->vpi); | |
5487 | if (!vport->vport_debugfs_root) { | |
5488 | vport->vport_debugfs_root = | |
5489 | debugfs_create_dir(name, phba->hba_debugfs_root); | |
a58cbd52 | 5490 | if (!vport->vport_debugfs_root) { |
e8b62011 | 5491 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
25985edc | 5492 | "0417 Can't create debugfs\n"); |
858c9f6c | 5493 | goto debug_failed; |
a58cbd52 | 5494 | } |
858c9f6c JS |
5495 | atomic_inc(&phba->debugfs_vport_count); |
5496 | } | |
5497 | ||
a58cbd52 JS |
5498 | if (lpfc_debugfs_max_disc_trc) { |
5499 | num = lpfc_debugfs_max_disc_trc - 1; | |
5500 | if (num & lpfc_debugfs_max_disc_trc) { | |
5501 | /* Change to be a power of 2 */ | |
5502 | num = lpfc_debugfs_max_disc_trc; | |
5503 | i = 0; | |
5504 | while (num > 1) { | |
5505 | num = num >> 1; | |
5506 | i++; | |
5507 | } | |
5508 | lpfc_debugfs_max_disc_trc = (1 << i); | |
2ea259ee | 5509 | pr_err("lpfc_debugfs_max_disc_trc changed to %d\n", |
e8b62011 | 5510 | lpfc_debugfs_max_disc_trc); |
a58cbd52 JS |
5511 | } |
5512 | } | |
858c9f6c | 5513 | |
ff86ba59 | 5514 | vport->disc_trc = kzalloc( |
a58cbd52 | 5515 | (sizeof(struct lpfc_debugfs_trc) * lpfc_debugfs_max_disc_trc), |
858c9f6c JS |
5516 | GFP_KERNEL); |
5517 | ||
a58cbd52 | 5518 | if (!vport->disc_trc) { |
e8b62011 | 5519 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 5520 | "0418 Cannot create debugfs disc trace " |
e8b62011 | 5521 | "buffer\n"); |
858c9f6c | 5522 | goto debug_failed; |
a58cbd52 JS |
5523 | } |
5524 | atomic_set(&vport->disc_trc_cnt, 0); | |
858c9f6c JS |
5525 | |
5526 | snprintf(name, sizeof(name), "discovery_trace"); | |
5527 | vport->debug_disc_trc = | |
5528 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5529 | vport->vport_debugfs_root, | |
5530 | vport, &lpfc_debugfs_op_disc_trc); | |
5531 | if (!vport->debug_disc_trc) { | |
e8b62011 | 5532 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 5533 | "0419 Cannot create debugfs " |
e8b62011 | 5534 | "discovery_trace\n"); |
858c9f6c JS |
5535 | goto debug_failed; |
5536 | } | |
5537 | snprintf(name, sizeof(name), "nodelist"); | |
5538 | vport->debug_nodelist = | |
5539 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5540 | vport->vport_debugfs_root, | |
5541 | vport, &lpfc_debugfs_op_nodelist); | |
5542 | if (!vport->debug_nodelist) { | |
e8b62011 | 5543 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
b76f2dc9 | 5544 | "2985 Can't create debugfs nodelist\n"); |
858c9f6c JS |
5545 | goto debug_failed; |
5546 | } | |
2a622bfb | 5547 | |
bd2cdd5e JS |
5548 | snprintf(name, sizeof(name), "nvmestat"); |
5549 | vport->debug_nvmestat = | |
5550 | debugfs_create_file(name, 0644, | |
5551 | vport->vport_debugfs_root, | |
5552 | vport, &lpfc_debugfs_op_nvmestat); | |
5553 | if (!vport->debug_nvmestat) { | |
5554 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5555 | "0811 Cannot create debugfs nvmestat\n"); | |
5556 | goto debug_failed; | |
5557 | } | |
5558 | ||
5559 | snprintf(name, sizeof(name), "nvmektime"); | |
5560 | vport->debug_nvmektime = | |
5561 | debugfs_create_file(name, 0644, | |
5562 | vport->vport_debugfs_root, | |
5563 | vport, &lpfc_debugfs_op_nvmektime); | |
5564 | if (!vport->debug_nvmektime) { | |
5565 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5566 | "0815 Cannot create debugfs nvmektime\n"); | |
5567 | goto debug_failed; | |
5568 | } | |
5569 | ||
5570 | snprintf(name, sizeof(name), "cpucheck"); | |
5571 | vport->debug_cpucheck = | |
5572 | debugfs_create_file(name, 0644, | |
5573 | vport->vport_debugfs_root, | |
5574 | vport, &lpfc_debugfs_op_cpucheck); | |
5575 | if (!vport->debug_cpucheck) { | |
5576 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5577 | "0819 Cannot create debugfs cpucheck\n"); | |
5578 | goto debug_failed; | |
5579 | } | |
5580 | ||
f6c3bdfb JS |
5581 | /* |
5582 | * The following section is for additional directories/files for the | |
5583 | * physical port. | |
5584 | */ | |
5585 | ||
5586 | if (!pport_setup) | |
5587 | goto debug_failed; | |
5588 | ||
2a622bfb JS |
5589 | /* |
5590 | * iDiag debugfs root entry points for SLI4 device only | |
5591 | */ | |
5592 | if (phba->sli_rev < LPFC_SLI_REV4) | |
5593 | goto debug_failed; | |
5594 | ||
5595 | snprintf(name, sizeof(name), "iDiag"); | |
5596 | if (!phba->idiag_root) { | |
5597 | phba->idiag_root = | |
5598 | debugfs_create_dir(name, phba->hba_debugfs_root); | |
5599 | if (!phba->idiag_root) { | |
5600 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5601 | "2922 Can't create idiag debugfs\n"); | |
5602 | goto debug_failed; | |
5603 | } | |
5604 | /* Initialize iDiag data structure */ | |
5605 | memset(&idiag, 0, sizeof(idiag)); | |
5606 | } | |
5607 | ||
5608 | /* iDiag read PCI config space */ | |
5609 | snprintf(name, sizeof(name), "pciCfg"); | |
5610 | if (!phba->idiag_pci_cfg) { | |
5611 | phba->idiag_pci_cfg = | |
5612 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5613 | phba->idiag_root, phba, &lpfc_idiag_op_pciCfg); | |
5614 | if (!phba->idiag_pci_cfg) { | |
5615 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5616 | "2923 Can't create idiag debugfs\n"); | |
5617 | goto debug_failed; | |
5618 | } | |
5619 | idiag.offset.last_rd = 0; | |
5620 | } | |
5621 | ||
b76f2dc9 JS |
5622 | /* iDiag PCI BAR access */ |
5623 | snprintf(name, sizeof(name), "barAcc"); | |
5624 | if (!phba->idiag_bar_acc) { | |
5625 | phba->idiag_bar_acc = | |
5626 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5627 | phba->idiag_root, phba, &lpfc_idiag_op_barAcc); | |
5628 | if (!phba->idiag_bar_acc) { | |
5629 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5630 | "3056 Can't create idiag debugfs\n"); | |
5631 | goto debug_failed; | |
5632 | } | |
5633 | idiag.offset.last_rd = 0; | |
5634 | } | |
5635 | ||
2a622bfb JS |
5636 | /* iDiag get PCI function queue information */ |
5637 | snprintf(name, sizeof(name), "queInfo"); | |
5638 | if (!phba->idiag_que_info) { | |
5639 | phba->idiag_que_info = | |
5640 | debugfs_create_file(name, S_IFREG|S_IRUGO, | |
5641 | phba->idiag_root, phba, &lpfc_idiag_op_queInfo); | |
5642 | if (!phba->idiag_que_info) { | |
5643 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5644 | "2924 Can't create idiag debugfs\n"); | |
5645 | goto debug_failed; | |
5646 | } | |
5647 | } | |
5648 | ||
86a80846 JS |
5649 | /* iDiag access PCI function queue */ |
5650 | snprintf(name, sizeof(name), "queAcc"); | |
5651 | if (!phba->idiag_que_acc) { | |
5652 | phba->idiag_que_acc = | |
5653 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5654 | phba->idiag_root, phba, &lpfc_idiag_op_queAcc); | |
5655 | if (!phba->idiag_que_acc) { | |
5656 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5657 | "2926 Can't create idiag debugfs\n"); | |
5658 | goto debug_failed; | |
5659 | } | |
5660 | } | |
5661 | ||
5662 | /* iDiag access PCI function doorbell registers */ | |
5663 | snprintf(name, sizeof(name), "drbAcc"); | |
5664 | if (!phba->idiag_drb_acc) { | |
5665 | phba->idiag_drb_acc = | |
5666 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5667 | phba->idiag_root, phba, &lpfc_idiag_op_drbAcc); | |
5668 | if (!phba->idiag_drb_acc) { | |
5669 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5670 | "2927 Can't create idiag debugfs\n"); | |
5671 | goto debug_failed; | |
5672 | } | |
5673 | } | |
5674 | ||
b76f2dc9 JS |
5675 | /* iDiag access PCI function control registers */ |
5676 | snprintf(name, sizeof(name), "ctlAcc"); | |
5677 | if (!phba->idiag_ctl_acc) { | |
5678 | phba->idiag_ctl_acc = | |
5679 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5680 | phba->idiag_root, phba, &lpfc_idiag_op_ctlAcc); | |
5681 | if (!phba->idiag_ctl_acc) { | |
5682 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5683 | "2981 Can't create idiag debugfs\n"); | |
5684 | goto debug_failed; | |
5685 | } | |
5686 | } | |
5687 | ||
5688 | /* iDiag access mbox commands */ | |
5689 | snprintf(name, sizeof(name), "mbxAcc"); | |
5690 | if (!phba->idiag_mbx_acc) { | |
5691 | phba->idiag_mbx_acc = | |
5692 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5693 | phba->idiag_root, phba, &lpfc_idiag_op_mbxAcc); | |
5694 | if (!phba->idiag_mbx_acc) { | |
5695 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5696 | "2980 Can't create idiag debugfs\n"); | |
5697 | goto debug_failed; | |
5698 | } | |
5699 | } | |
5700 | ||
5701 | /* iDiag extents access commands */ | |
5702 | if (phba->sli4_hba.extents_in_use) { | |
5703 | snprintf(name, sizeof(name), "extAcc"); | |
5704 | if (!phba->idiag_ext_acc) { | |
5705 | phba->idiag_ext_acc = | |
5706 | debugfs_create_file(name, | |
5707 | S_IFREG|S_IRUGO|S_IWUSR, | |
5708 | phba->idiag_root, phba, | |
5709 | &lpfc_idiag_op_extAcc); | |
5710 | if (!phba->idiag_ext_acc) { | |
5711 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5712 | "2986 Cant create " | |
5713 | "idiag debugfs\n"); | |
5714 | goto debug_failed; | |
5715 | } | |
5716 | } | |
5717 | } | |
5718 | ||
858c9f6c JS |
5719 | debug_failed: |
5720 | return; | |
5721 | #endif | |
5722 | } | |
5723 | ||
e59058c4 | 5724 | /** |
3621a710 | 5725 | * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport |
e59058c4 JS |
5726 | * @vport: The vport pointer to remove from debugfs. |
5727 | * | |
5728 | * Description: | |
5729 | * When Debugfs is configured this routine removes debugfs file system elements | |
5730 | * that are specific to this vport. It also checks to see if there are any | |
5731 | * users left for the debugfs directories associated with the HBA and driver. If | |
5732 | * this is the last user of the HBA directory or driver directory then it will | |
5733 | * remove those from the debugfs infrastructure as well. | |
5734 | **/ | |
858c9f6c JS |
5735 | inline void |
5736 | lpfc_debugfs_terminate(struct lpfc_vport *vport) | |
5737 | { | |
923e4b6a | 5738 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
858c9f6c JS |
5739 | struct lpfc_hba *phba = vport->phba; |
5740 | ||
eafe89f5 JS |
5741 | kfree(vport->disc_trc); |
5742 | vport->disc_trc = NULL; | |
bd2cdd5e JS |
5743 | |
5744 | debugfs_remove(vport->debug_disc_trc); /* discovery_trace */ | |
5745 | vport->debug_disc_trc = NULL; | |
5746 | ||
5747 | debugfs_remove(vport->debug_nodelist); /* nodelist */ | |
5748 | vport->debug_nodelist = NULL; | |
5749 | ||
5750 | debugfs_remove(vport->debug_nvmestat); /* nvmestat */ | |
5751 | vport->debug_nvmestat = NULL; | |
5752 | ||
5753 | debugfs_remove(vport->debug_nvmektime); /* nvmektime */ | |
5754 | vport->debug_nvmektime = NULL; | |
5755 | ||
5756 | debugfs_remove(vport->debug_cpucheck); /* cpucheck */ | |
5757 | vport->debug_cpucheck = NULL; | |
5758 | ||
858c9f6c JS |
5759 | if (vport->vport_debugfs_root) { |
5760 | debugfs_remove(vport->vport_debugfs_root); /* vportX */ | |
5761 | vport->vport_debugfs_root = NULL; | |
5762 | atomic_dec(&phba->debugfs_vport_count); | |
5763 | } | |
bd2cdd5e | 5764 | |
858c9f6c | 5765 | if (atomic_read(&phba->debugfs_vport_count) == 0) { |
a58cbd52 | 5766 | |
bd2cdd5e JS |
5767 | debugfs_remove(phba->debug_hbqinfo); /* hbqinfo */ |
5768 | phba->debug_hbqinfo = NULL; | |
e2a0a9d6 | 5769 | |
bd2cdd5e JS |
5770 | debugfs_remove(phba->debug_dumpHBASlim); /* HBASlim */ |
5771 | phba->debug_dumpHBASlim = NULL; | |
5772 | ||
5773 | debugfs_remove(phba->debug_dumpHostSlim); /* HostSlim */ | |
5774 | phba->debug_dumpHostSlim = NULL; | |
5775 | ||
5776 | debugfs_remove(phba->debug_dumpData); /* dumpData */ | |
5777 | phba->debug_dumpData = NULL; | |
5778 | ||
5779 | debugfs_remove(phba->debug_dumpDif); /* dumpDif */ | |
5780 | phba->debug_dumpDif = NULL; | |
5781 | ||
5782 | debugfs_remove(phba->debug_InjErrLBA); /* InjErrLBA */ | |
5783 | phba->debug_InjErrLBA = NULL; | |
5784 | ||
5785 | debugfs_remove(phba->debug_InjErrNPortID); | |
5786 | phba->debug_InjErrNPortID = NULL; | |
5787 | ||
5788 | debugfs_remove(phba->debug_InjErrWWPN); /* InjErrWWPN */ | |
5789 | phba->debug_InjErrWWPN = NULL; | |
5790 | ||
5791 | debugfs_remove(phba->debug_writeGuard); /* writeGuard */ | |
5792 | phba->debug_writeGuard = NULL; | |
5793 | ||
5794 | debugfs_remove(phba->debug_writeApp); /* writeApp */ | |
5795 | phba->debug_writeApp = NULL; | |
5796 | ||
5797 | debugfs_remove(phba->debug_writeRef); /* writeRef */ | |
5798 | phba->debug_writeRef = NULL; | |
5799 | ||
5800 | debugfs_remove(phba->debug_readGuard); /* readGuard */ | |
5801 | phba->debug_readGuard = NULL; | |
5802 | ||
5803 | debugfs_remove(phba->debug_readApp); /* readApp */ | |
5804 | phba->debug_readApp = NULL; | |
5805 | ||
5806 | debugfs_remove(phba->debug_readRef); /* readRef */ | |
5807 | phba->debug_readRef = NULL; | |
e2a0a9d6 | 5808 | |
eafe89f5 JS |
5809 | kfree(phba->slow_ring_trc); |
5810 | phba->slow_ring_trc = NULL; | |
bd2cdd5e JS |
5811 | |
5812 | /* slow_ring_trace */ | |
5813 | debugfs_remove(phba->debug_slow_ring_trc); | |
5814 | phba->debug_slow_ring_trc = NULL; | |
5815 | ||
5816 | debugfs_remove(phba->debug_nvmeio_trc); | |
5817 | phba->debug_nvmeio_trc = NULL; | |
5818 | ||
5819 | kfree(phba->nvmeio_trc); | |
5820 | phba->nvmeio_trc = NULL; | |
a58cbd52 | 5821 | |
2a622bfb JS |
5822 | /* |
5823 | * iDiag release | |
5824 | */ | |
5825 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
bd2cdd5e JS |
5826 | /* iDiag extAcc */ |
5827 | debugfs_remove(phba->idiag_ext_acc); | |
5828 | phba->idiag_ext_acc = NULL; | |
5829 | ||
5830 | /* iDiag mbxAcc */ | |
5831 | debugfs_remove(phba->idiag_mbx_acc); | |
5832 | phba->idiag_mbx_acc = NULL; | |
5833 | ||
5834 | /* iDiag ctlAcc */ | |
5835 | debugfs_remove(phba->idiag_ctl_acc); | |
5836 | phba->idiag_ctl_acc = NULL; | |
5837 | ||
5838 | /* iDiag drbAcc */ | |
5839 | debugfs_remove(phba->idiag_drb_acc); | |
5840 | phba->idiag_drb_acc = NULL; | |
5841 | ||
5842 | /* iDiag queAcc */ | |
5843 | debugfs_remove(phba->idiag_que_acc); | |
5844 | phba->idiag_que_acc = NULL; | |
5845 | ||
5846 | /* iDiag queInfo */ | |
5847 | debugfs_remove(phba->idiag_que_info); | |
5848 | phba->idiag_que_info = NULL; | |
5849 | ||
5850 | /* iDiag barAcc */ | |
5851 | debugfs_remove(phba->idiag_bar_acc); | |
5852 | phba->idiag_bar_acc = NULL; | |
5853 | ||
5854 | /* iDiag pciCfg */ | |
5855 | debugfs_remove(phba->idiag_pci_cfg); | |
5856 | phba->idiag_pci_cfg = NULL; | |
2a622bfb JS |
5857 | |
5858 | /* Finally remove the iDiag debugfs root */ | |
bd2cdd5e JS |
5859 | debugfs_remove(phba->idiag_root); |
5860 | phba->idiag_root = NULL; | |
2a622bfb JS |
5861 | } |
5862 | ||
a58cbd52 | 5863 | if (phba->hba_debugfs_root) { |
2a622bfb | 5864 | debugfs_remove(phba->hba_debugfs_root); /* fnX */ |
a58cbd52 JS |
5865 | phba->hba_debugfs_root = NULL; |
5866 | atomic_dec(&lpfc_debugfs_hba_count); | |
5867 | } | |
5868 | ||
667a7662 JS |
5869 | if (atomic_read(&lpfc_debugfs_hba_count) == 0) { |
5870 | debugfs_remove(lpfc_debugfs_root); /* lpfc */ | |
5871 | lpfc_debugfs_root = NULL; | |
5872 | } | |
858c9f6c JS |
5873 | } |
5874 | #endif | |
a58cbd52 | 5875 | return; |
858c9f6c | 5876 | } |
809c7536 JS |
5877 | |
5878 | /* | |
5879 | * Driver debug utility routines outside of debugfs. The debug utility | |
5880 | * routines implemented here is intended to be used in the instrumented | |
5881 | * debug driver for debugging host or port issues. | |
5882 | */ | |
5883 | ||
5884 | /** | |
5885 | * lpfc_debug_dump_all_queues - dump all the queues with a hba | |
5886 | * @phba: Pointer to HBA context object. | |
5887 | * | |
5888 | * This function dumps entries of all the queues asociated with the @phba. | |
5889 | **/ | |
5890 | void | |
5891 | lpfc_debug_dump_all_queues(struct lpfc_hba *phba) | |
5892 | { | |
1d9d5a98 | 5893 | int idx; |
809c7536 JS |
5894 | |
5895 | /* | |
5896 | * Dump Work Queues (WQs) | |
5897 | */ | |
1d9d5a98 JS |
5898 | lpfc_debug_dump_wq(phba, DUMP_MBX, 0); |
5899 | lpfc_debug_dump_wq(phba, DUMP_ELS, 0); | |
895427bd | 5900 | lpfc_debug_dump_wq(phba, DUMP_NVMELS, 0); |
809c7536 | 5901 | |
1d9d5a98 JS |
5902 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) |
5903 | lpfc_debug_dump_wq(phba, DUMP_FCP, idx); | |
809c7536 | 5904 | |
895427bd JS |
5905 | for (idx = 0; idx < phba->cfg_nvme_io_channel; idx++) |
5906 | lpfc_debug_dump_wq(phba, DUMP_NVME, idx); | |
5907 | ||
809c7536 JS |
5908 | lpfc_debug_dump_hdr_rq(phba); |
5909 | lpfc_debug_dump_dat_rq(phba); | |
5910 | /* | |
5911 | * Dump Complete Queues (CQs) | |
5912 | */ | |
1d9d5a98 JS |
5913 | lpfc_debug_dump_cq(phba, DUMP_MBX, 0); |
5914 | lpfc_debug_dump_cq(phba, DUMP_ELS, 0); | |
895427bd | 5915 | lpfc_debug_dump_cq(phba, DUMP_NVMELS, 0); |
809c7536 | 5916 | |
1d9d5a98 JS |
5917 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) |
5918 | lpfc_debug_dump_cq(phba, DUMP_FCP, idx); | |
809c7536 | 5919 | |
895427bd JS |
5920 | for (idx = 0; idx < phba->cfg_nvme_io_channel; idx++) |
5921 | lpfc_debug_dump_cq(phba, DUMP_NVME, idx); | |
5922 | ||
809c7536 JS |
5923 | /* |
5924 | * Dump Event Queues (EQs) | |
5925 | */ | |
895427bd | 5926 | for (idx = 0; idx < phba->io_channel_irqs; idx++) |
1d9d5a98 | 5927 | lpfc_debug_dump_hba_eq(phba, idx); |
809c7536 | 5928 | } |