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