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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. * | |
0d041215 | 4 | * Copyright (C) 2017-2019 Broadcom. All Rights Reserved. The term * |
3e21d1cb | 5 | * “Broadcom” refers to Broadcom Inc. 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 | 172 | dtp->seq_cnt, ms, dtp->fmt); |
e7f7b6f3 | 173 | len += scnprintf(buf+len, size-len, buffer, |
858c9f6c JS |
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); | |
e7f7b6f3 | 184 | len += scnprintf(buf+len, size-len, buffer, |
a58cbd52 JS |
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); | |
e7f7b6f3 | 239 | len += scnprintf(buf+len, size-len, buffer, |
a58cbd52 JS |
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 | 249 | dtp->seq_cnt, ms, dtp->fmt); |
e7f7b6f3 | 250 | len += scnprintf(buf+len, size-len, buffer, |
858c9f6c JS |
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 | ||
e7f7b6f3 | 310 | len += scnprintf(buf+len, size-len, "HBQ %d Info\n", i); |
78b2d852 | 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]; | |
e7f7b6f3 | 318 | len += scnprintf(buf+len, size-len, |
78b2d852 JS |
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); | |
e7f7b6f3 | 325 | len += scnprintf(buf+len, size-len, |
1ab62072 | 326 | "entries:%d bufcnt:%d Put:%d nPut:%d localGet:%d hbaGet:%d\n", |
a8adb832 JS |
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 | 331 | for (j=0; j<hbqs->entry_count; j++) { |
e7f7b6f3 | 332 | len += scnprintf(buf+len, size-len, |
78b2d852 | 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)) { | |
e7f7b6f3 SC |
344 | len += scnprintf(buf + len, size - len, |
345 | "Unused\n"); | |
78b2d852 JS |
346 | goto skipit; |
347 | } | |
348 | } | |
349 | else { | |
350 | if ((j >= hbqs->hbqPutIdx) && | |
351 | (j < (hbqs->entry_count+low))) { | |
e7f7b6f3 SC |
352 | len += scnprintf(buf + len, size - len, |
353 | "Unused\n"); | |
78b2d852 JS |
354 | goto skipit; |
355 | } | |
356 | } | |
357 | ||
358 | /* Get the Buffer info for the posted buffer */ | |
51ef4c26 | 359 | list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) { |
78b2d852 JS |
360 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
361 | phys = ((uint64_t)hbq_buf->dbuf.phys & 0xffffffff); | |
a8adb832 | 362 | if (phys == le32_to_cpu(hbqe->bde.addrLow)) { |
e7f7b6f3 | 363 | len += scnprintf(buf+len, size-len, |
78b2d852 JS |
364 | "Buf%d: %p %06x\n", i, |
365 | hbq_buf->dbuf.virt, hbq_buf->tag); | |
366 | found = 1; | |
367 | break; | |
368 | } | |
369 | i++; | |
370 | } | |
371 | if (!found) { | |
e7f7b6f3 | 372 | len += scnprintf(buf+len, size-len, "No DMAinfo?\n"); |
78b2d852 JS |
373 | } |
374 | skipit: | |
375 | hbqe++; | |
376 | if (len > LPFC_HBQINFO_SIZE - 54) | |
377 | break; | |
378 | } | |
379 | spin_unlock_irq(&phba->hbalock); | |
380 | return len; | |
381 | } | |
382 | ||
6a828b0f JS |
383 | static int lpfc_debugfs_last_xripool; |
384 | ||
385 | /** | |
386 | * lpfc_debugfs_common_xri_data - Dump Hardware Queue info to a buffer | |
387 | * @phba: The HBA to gather host buffer info from. | |
388 | * @buf: The buffer to dump log into. | |
389 | * @size: The maximum amount of data to process. | |
390 | * | |
391 | * Description: | |
392 | * This routine dumps the Hardware Queue info from the @phba to @buf up to | |
393 | * @size number of bytes. A header that describes the current hdwq state will be | |
394 | * dumped to @buf first and then info on each hdwq entry will be dumped to @buf | |
395 | * until @size bytes have been dumped or all the hdwq info has been dumped. | |
396 | * | |
397 | * Notes: | |
398 | * This routine will rotate through each configured Hardware Queue each | |
399 | * time called. | |
400 | * | |
401 | * Return Value: | |
402 | * This routine returns the amount of bytes that were dumped into @buf and will | |
403 | * not exceed @size. | |
404 | **/ | |
405 | static int | |
406 | lpfc_debugfs_commonxripools_data(struct lpfc_hba *phba, char *buf, int size) | |
407 | { | |
408 | struct lpfc_sli4_hdw_queue *qp; | |
409 | int len = 0; | |
410 | int i, out; | |
411 | unsigned long iflag; | |
412 | ||
413 | for (i = 0; i < phba->cfg_hdw_queue; i++) { | |
414 | if (len > (LPFC_DUMP_MULTIXRIPOOL_SIZE - 80)) | |
415 | break; | |
416 | qp = &phba->sli4_hba.hdwq[lpfc_debugfs_last_xripool]; | |
417 | ||
e7f7b6f3 | 418 | len += scnprintf(buf + len, size - len, "HdwQ %d Info ", i); |
6a828b0f JS |
419 | spin_lock_irqsave(&qp->abts_scsi_buf_list_lock, iflag); |
420 | spin_lock(&qp->abts_nvme_buf_list_lock); | |
421 | spin_lock(&qp->io_buf_list_get_lock); | |
422 | spin_lock(&qp->io_buf_list_put_lock); | |
423 | out = qp->total_io_bufs - (qp->get_io_bufs + qp->put_io_bufs + | |
424 | qp->abts_scsi_io_bufs + qp->abts_nvme_io_bufs); | |
e7f7b6f3 | 425 | len += scnprintf(buf + len, size - len, |
6a828b0f JS |
426 | "tot:%d get:%d put:%d mt:%d " |
427 | "ABTS scsi:%d nvme:%d Out:%d\n", | |
428 | qp->total_io_bufs, qp->get_io_bufs, qp->put_io_bufs, | |
429 | qp->empty_io_bufs, qp->abts_scsi_io_bufs, | |
430 | qp->abts_nvme_io_bufs, out); | |
431 | spin_unlock(&qp->io_buf_list_put_lock); | |
432 | spin_unlock(&qp->io_buf_list_get_lock); | |
433 | spin_unlock(&qp->abts_nvme_buf_list_lock); | |
434 | spin_unlock_irqrestore(&qp->abts_scsi_buf_list_lock, iflag); | |
435 | ||
436 | lpfc_debugfs_last_xripool++; | |
437 | if (lpfc_debugfs_last_xripool >= phba->cfg_hdw_queue) | |
438 | lpfc_debugfs_last_xripool = 0; | |
439 | } | |
440 | ||
441 | return len; | |
442 | } | |
443 | ||
c490850a JS |
444 | /** |
445 | * lpfc_debugfs_multixripools_data - Display multi-XRI pools information | |
446 | * @phba: The HBA to gather host buffer info from. | |
447 | * @buf: The buffer to dump log into. | |
448 | * @size: The maximum amount of data to process. | |
449 | * | |
450 | * Description: | |
451 | * This routine displays current multi-XRI pools information including XRI | |
452 | * count in public, private and txcmplq. It also displays current high and | |
453 | * low watermark. | |
454 | * | |
455 | * Return Value: | |
456 | * This routine returns the amount of bytes that were dumped into @buf and will | |
457 | * not exceed @size. | |
458 | **/ | |
459 | static int | |
460 | lpfc_debugfs_multixripools_data(struct lpfc_hba *phba, char *buf, int size) | |
461 | { | |
462 | u32 i; | |
463 | u32 hwq_count; | |
464 | struct lpfc_sli4_hdw_queue *qp; | |
465 | struct lpfc_multixri_pool *multixri_pool; | |
466 | struct lpfc_pvt_pool *pvt_pool; | |
467 | struct lpfc_pbl_pool *pbl_pool; | |
468 | u32 txcmplq_cnt; | |
469 | char tmp[LPFC_DEBUG_OUT_LINE_SZ] = {0}; | |
470 | ||
6a828b0f JS |
471 | if (phba->sli_rev != LPFC_SLI_REV4) |
472 | return 0; | |
473 | ||
474 | if (!phba->sli4_hba.hdwq) | |
475 | return 0; | |
476 | ||
477 | if (!phba->cfg_xri_rebalancing) { | |
478 | i = lpfc_debugfs_commonxripools_data(phba, buf, size); | |
479 | return i; | |
480 | } | |
481 | ||
c490850a JS |
482 | /* |
483 | * Pbl: Current number of free XRIs in public pool | |
484 | * Pvt: Current number of free XRIs in private pool | |
485 | * Busy: Current number of outstanding XRIs | |
486 | * HWM: Current high watermark | |
487 | * pvt_empty: Incremented by 1 when IO submission fails (no xri) | |
488 | * pbl_empty: Incremented by 1 when all pbl_pool are empty during | |
489 | * IO submission | |
490 | */ | |
491 | scnprintf(tmp, sizeof(tmp), | |
492 | "HWQ: Pbl Pvt Busy HWM | pvt_empty pbl_empty "); | |
493 | if (strlcat(buf, tmp, size) >= size) | |
494 | return strnlen(buf, size); | |
495 | ||
496 | #ifdef LPFC_MXP_STAT | |
497 | /* | |
498 | * MAXH: Max high watermark seen so far | |
499 | * above_lmt: Incremented by 1 if xri_owned > xri_limit during | |
500 | * IO submission | |
501 | * below_lmt: Incremented by 1 if xri_owned <= xri_limit during | |
502 | * IO submission | |
503 | * locPbl_hit: Incremented by 1 if successfully get a batch of XRI from | |
504 | * local pbl_pool | |
505 | * othPbl_hit: Incremented by 1 if successfully get a batch of XRI from | |
506 | * other pbl_pool | |
507 | */ | |
508 | scnprintf(tmp, sizeof(tmp), | |
509 | "MAXH above_lmt below_lmt locPbl_hit othPbl_hit"); | |
510 | if (strlcat(buf, tmp, size) >= size) | |
511 | return strnlen(buf, size); | |
512 | ||
513 | /* | |
514 | * sPbl: snapshot of Pbl 15 sec after stat gets cleared | |
515 | * sPvt: snapshot of Pvt 15 sec after stat gets cleared | |
516 | * sBusy: snapshot of Busy 15 sec after stat gets cleared | |
517 | */ | |
518 | scnprintf(tmp, sizeof(tmp), | |
519 | " | sPbl sPvt sBusy"); | |
520 | if (strlcat(buf, tmp, size) >= size) | |
521 | return strnlen(buf, size); | |
522 | #endif | |
523 | ||
524 | scnprintf(tmp, sizeof(tmp), "\n"); | |
525 | if (strlcat(buf, tmp, size) >= size) | |
526 | return strnlen(buf, size); | |
527 | ||
528 | hwq_count = phba->cfg_hdw_queue; | |
529 | for (i = 0; i < hwq_count; i++) { | |
530 | qp = &phba->sli4_hba.hdwq[i]; | |
531 | multixri_pool = qp->p_multixri_pool; | |
532 | if (!multixri_pool) | |
533 | continue; | |
534 | pbl_pool = &multixri_pool->pbl_pool; | |
535 | pvt_pool = &multixri_pool->pvt_pool; | |
536 | txcmplq_cnt = qp->fcp_wq->pring->txcmplq_cnt; | |
537 | if (qp->nvme_wq) | |
538 | txcmplq_cnt += qp->nvme_wq->pring->txcmplq_cnt; | |
539 | ||
540 | scnprintf(tmp, sizeof(tmp), | |
541 | "%03d: %4d %4d %4d %4d | %10d %10d ", | |
542 | i, pbl_pool->count, pvt_pool->count, | |
543 | txcmplq_cnt, pvt_pool->high_watermark, | |
544 | qp->empty_io_bufs, multixri_pool->pbl_empty_count); | |
545 | if (strlcat(buf, tmp, size) >= size) | |
546 | break; | |
547 | ||
548 | #ifdef LPFC_MXP_STAT | |
549 | scnprintf(tmp, sizeof(tmp), | |
550 | "%4d %10d %10d %10d %10d", | |
551 | multixri_pool->stat_max_hwm, | |
552 | multixri_pool->above_limit_count, | |
553 | multixri_pool->below_limit_count, | |
554 | multixri_pool->local_pbl_hit_count, | |
555 | multixri_pool->other_pbl_hit_count); | |
556 | if (strlcat(buf, tmp, size) >= size) | |
557 | break; | |
558 | ||
559 | scnprintf(tmp, sizeof(tmp), | |
560 | " | %4d %4d %5d", | |
561 | multixri_pool->stat_pbl_count, | |
562 | multixri_pool->stat_pvt_count, | |
563 | multixri_pool->stat_busy_count); | |
564 | if (strlcat(buf, tmp, size) >= size) | |
565 | break; | |
566 | #endif | |
567 | ||
568 | scnprintf(tmp, sizeof(tmp), "\n"); | |
569 | if (strlcat(buf, tmp, size) >= size) | |
570 | break; | |
571 | } | |
572 | return strnlen(buf, size); | |
573 | } | |
574 | ||
6a828b0f JS |
575 | |
576 | #ifdef LPFC_HDWQ_LOCK_STAT | |
577 | static int lpfc_debugfs_last_lock; | |
5e5b511d JS |
578 | |
579 | /** | |
6a828b0f | 580 | * lpfc_debugfs_lockstat_data - Dump Hardware Queue info to a buffer |
5e5b511d JS |
581 | * @phba: The HBA to gather host buffer info from. |
582 | * @buf: The buffer to dump log into. | |
583 | * @size: The maximum amount of data to process. | |
584 | * | |
585 | * Description: | |
586 | * This routine dumps the Hardware Queue info from the @phba to @buf up to | |
587 | * @size number of bytes. A header that describes the current hdwq state will be | |
588 | * dumped to @buf first and then info on each hdwq entry will be dumped to @buf | |
589 | * until @size bytes have been dumped or all the hdwq info has been dumped. | |
590 | * | |
591 | * Notes: | |
592 | * This routine will rotate through each configured Hardware Queue each | |
593 | * time called. | |
594 | * | |
595 | * Return Value: | |
596 | * This routine returns the amount of bytes that were dumped into @buf and will | |
597 | * not exceed @size. | |
598 | **/ | |
599 | static int | |
6a828b0f | 600 | lpfc_debugfs_lockstat_data(struct lpfc_hba *phba, char *buf, int size) |
5e5b511d JS |
601 | { |
602 | struct lpfc_sli4_hdw_queue *qp; | |
603 | int len = 0; | |
6a828b0f | 604 | int i; |
5e5b511d JS |
605 | |
606 | if (phba->sli_rev != LPFC_SLI_REV4) | |
607 | return 0; | |
608 | ||
609 | if (!phba->sli4_hba.hdwq) | |
610 | return 0; | |
611 | ||
612 | for (i = 0; i < phba->cfg_hdw_queue; i++) { | |
6a828b0f | 613 | if (len > (LPFC_HDWQINFO_SIZE - 100)) |
5e5b511d | 614 | break; |
6a828b0f | 615 | qp = &phba->sli4_hba.hdwq[lpfc_debugfs_last_lock]; |
5e5b511d | 616 | |
e7f7b6f3 | 617 | len += scnprintf(buf + len, size - len, "HdwQ %03d Lock ", i); |
6a828b0f | 618 | if (phba->cfg_xri_rebalancing) { |
e7f7b6f3 | 619 | len += scnprintf(buf + len, size - len, |
6a828b0f JS |
620 | "get_pvt:%d mv_pvt:%d " |
621 | "mv2pub:%d mv2pvt:%d " | |
622 | "put_pvt:%d put_pub:%d wq:%d\n", | |
623 | qp->lock_conflict.alloc_pvt_pool, | |
624 | qp->lock_conflict.mv_from_pvt_pool, | |
625 | qp->lock_conflict.mv_to_pub_pool, | |
626 | qp->lock_conflict.mv_to_pvt_pool, | |
627 | qp->lock_conflict.free_pvt_pool, | |
628 | qp->lock_conflict.free_pub_pool, | |
629 | qp->lock_conflict.wq_access); | |
630 | } else { | |
e7f7b6f3 | 631 | len += scnprintf(buf + len, size - len, |
6a828b0f JS |
632 | "get:%d put:%d free:%d wq:%d\n", |
633 | qp->lock_conflict.alloc_xri_get, | |
634 | qp->lock_conflict.alloc_xri_put, | |
635 | qp->lock_conflict.free_xri, | |
636 | qp->lock_conflict.wq_access); | |
637 | } | |
5e5b511d | 638 | |
6a828b0f JS |
639 | lpfc_debugfs_last_lock++; |
640 | if (lpfc_debugfs_last_lock >= phba->cfg_hdw_queue) | |
641 | lpfc_debugfs_last_lock = 0; | |
5e5b511d JS |
642 | } |
643 | ||
644 | return len; | |
645 | } | |
6a828b0f | 646 | #endif |
5e5b511d | 647 | |
c95d6c6c JS |
648 | static int lpfc_debugfs_last_hba_slim_off; |
649 | ||
e59058c4 | 650 | /** |
3621a710 | 651 | * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer |
e59058c4 JS |
652 | * @phba: The HBA to gather SLIM info from. |
653 | * @buf: The buffer to dump log into. | |
654 | * @size: The maximum amount of data to process. | |
655 | * | |
656 | * Description: | |
657 | * This routine dumps the current contents of HBA SLIM for the HBA associated | |
658 | * with @phba to @buf up to @size bytes of data. This is the raw HBA SLIM data. | |
659 | * | |
660 | * Notes: | |
661 | * This routine will only dump up to 1024 bytes of data each time called and | |
662 | * should be called multiple times to dump the entire HBA SLIM. | |
663 | * | |
664 | * Return Value: | |
665 | * This routine returns the amount of bytes that were dumped into @buf and will | |
666 | * not exceed @size. | |
667 | **/ | |
c95d6c6c JS |
668 | static int |
669 | lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size) | |
670 | { | |
671 | int len = 0; | |
672 | int i, off; | |
673 | uint32_t *ptr; | |
b76f2dc9 JS |
674 | char *buffer; |
675 | ||
676 | buffer = kmalloc(1024, GFP_KERNEL); | |
677 | if (!buffer) | |
678 | return 0; | |
c95d6c6c JS |
679 | |
680 | off = 0; | |
681 | spin_lock_irq(&phba->hbalock); | |
682 | ||
e7f7b6f3 | 683 | len += scnprintf(buf+len, size-len, "HBA SLIM\n"); |
c95d6c6c | 684 | lpfc_memcpy_from_slim(buffer, |
a257bf90 | 685 | phba->MBslimaddr + lpfc_debugfs_last_hba_slim_off, 1024); |
c95d6c6c JS |
686 | |
687 | ptr = (uint32_t *)&buffer[0]; | |
688 | off = lpfc_debugfs_last_hba_slim_off; | |
689 | ||
690 | /* Set it up for the next time */ | |
691 | lpfc_debugfs_last_hba_slim_off += 1024; | |
692 | if (lpfc_debugfs_last_hba_slim_off >= 4096) | |
693 | lpfc_debugfs_last_hba_slim_off = 0; | |
694 | ||
695 | i = 1024; | |
696 | while (i > 0) { | |
e7f7b6f3 | 697 | len += scnprintf(buf+len, size-len, |
c95d6c6c JS |
698 | "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", |
699 | off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), | |
700 | *(ptr+5), *(ptr+6), *(ptr+7)); | |
701 | ptr += 8; | |
702 | i -= (8 * sizeof(uint32_t)); | |
703 | off += (8 * sizeof(uint32_t)); | |
704 | } | |
705 | ||
706 | spin_unlock_irq(&phba->hbalock); | |
b76f2dc9 JS |
707 | kfree(buffer); |
708 | ||
c95d6c6c JS |
709 | return len; |
710 | } | |
711 | ||
e59058c4 | 712 | /** |
3621a710 | 713 | * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer |
e59058c4 JS |
714 | * @phba: The HBA to gather Host SLIM info from. |
715 | * @buf: The buffer to dump log into. | |
716 | * @size: The maximum amount of data to process. | |
717 | * | |
718 | * Description: | |
719 | * This routine dumps the current contents of host SLIM for the host associated | |
720 | * with @phba to @buf up to @size bytes of data. The dump will contain the | |
721 | * Mailbox, PCB, Rings, and Registers that are located in host memory. | |
722 | * | |
723 | * Return Value: | |
724 | * This routine returns the amount of bytes that were dumped into @buf and will | |
725 | * not exceed @size. | |
726 | **/ | |
a58cbd52 | 727 | static int |
c95d6c6c | 728 | lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size) |
a58cbd52 JS |
729 | { |
730 | int len = 0; | |
c95d6c6c | 731 | int i, off; |
a58cbd52 JS |
732 | uint32_t word0, word1, word2, word3; |
733 | uint32_t *ptr; | |
734 | struct lpfc_pgp *pgpp; | |
735 | struct lpfc_sli *psli = &phba->sli; | |
736 | struct lpfc_sli_ring *pring; | |
737 | ||
a58cbd52 JS |
738 | off = 0; |
739 | spin_lock_irq(&phba->hbalock); | |
740 | ||
e7f7b6f3 | 741 | len += scnprintf(buf+len, size-len, "SLIM Mailbox\n"); |
34b02dcd | 742 | ptr = (uint32_t *)phba->slim2p.virt; |
a58cbd52 JS |
743 | i = sizeof(MAILBOX_t); |
744 | while (i > 0) { | |
e7f7b6f3 | 745 | len += scnprintf(buf+len, size-len, |
a58cbd52 JS |
746 | "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", |
747 | off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), | |
748 | *(ptr+5), *(ptr+6), *(ptr+7)); | |
749 | ptr += 8; | |
750 | i -= (8 * sizeof(uint32_t)); | |
751 | off += (8 * sizeof(uint32_t)); | |
752 | } | |
753 | ||
e7f7b6f3 | 754 | len += scnprintf(buf+len, size-len, "SLIM PCB\n"); |
34b02dcd | 755 | ptr = (uint32_t *)phba->pcb; |
a58cbd52 JS |
756 | i = sizeof(PCB_t); |
757 | while (i > 0) { | |
e7f7b6f3 | 758 | len += scnprintf(buf+len, size-len, |
a58cbd52 JS |
759 | "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", |
760 | off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), | |
761 | *(ptr+5), *(ptr+6), *(ptr+7)); | |
762 | ptr += 8; | |
763 | i -= (8 * sizeof(uint32_t)); | |
764 | off += (8 * sizeof(uint32_t)); | |
765 | } | |
766 | ||
3772a991 | 767 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
895427bd JS |
768 | for (i = 0; i < 4; i++) { |
769 | pgpp = &phba->port_gp[i]; | |
770 | pring = &psli->sli3_ring[i]; | |
e7f7b6f3 | 771 | len += scnprintf(buf+len, size-len, |
895427bd JS |
772 | "Ring %d: CMD GetInx:%d " |
773 | "(Max:%d Next:%d " | |
774 | "Local:%d flg:x%x) " | |
775 | "RSP PutInx:%d Max:%d\n", | |
776 | i, pgpp->cmdGetInx, | |
777 | pring->sli.sli3.numCiocb, | |
778 | pring->sli.sli3.next_cmdidx, | |
779 | pring->sli.sli3.local_getidx, | |
780 | pring->flag, pgpp->rspPutInx, | |
781 | pring->sli.sli3.numRiocb); | |
782 | } | |
783 | ||
3772a991 JS |
784 | word0 = readl(phba->HAregaddr); |
785 | word1 = readl(phba->CAregaddr); | |
786 | word2 = readl(phba->HSregaddr); | |
787 | word3 = readl(phba->HCregaddr); | |
e7f7b6f3 | 788 | len += scnprintf(buf+len, size-len, "HA:%08x CA:%08x HS:%08x " |
3772a991 JS |
789 | "HC:%08x\n", word0, word1, word2, word3); |
790 | } | |
a58cbd52 JS |
791 | spin_unlock_irq(&phba->hbalock); |
792 | return len; | |
793 | } | |
794 | ||
e59058c4 | 795 | /** |
3621a710 | 796 | * lpfc_debugfs_nodelist_data - Dump target node list to a buffer |
e59058c4 JS |
797 | * @vport: The vport to gather target node info from. |
798 | * @buf: The buffer to dump log into. | |
799 | * @size: The maximum amount of data to process. | |
800 | * | |
801 | * Description: | |
802 | * This routine dumps the current target node list associated with @vport to | |
803 | * @buf up to @size bytes of data. Each node entry in the dump will contain a | |
804 | * node state, DID, WWPN, WWNN, RPI, flags, type, and other useful fields. | |
805 | * | |
806 | * Return Value: | |
807 | * This routine returns the amount of bytes that were dumped into @buf and will | |
808 | * not exceed @size. | |
809 | **/ | |
858c9f6c JS |
810 | static int |
811 | lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size) | |
812 | { | |
813 | int len = 0; | |
f91bc594 | 814 | int i, iocnt, outio, cnt; |
858c9f6c | 815 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2b65e182 | 816 | struct lpfc_hba *phba = vport->phba; |
858c9f6c | 817 | struct lpfc_nodelist *ndlp; |
2ea259ee | 818 | unsigned char *statep; |
bd2cdd5e | 819 | struct nvme_fc_local_port *localport; |
9e210178 | 820 | struct nvme_fc_remote_port *nrport = NULL; |
01466024 | 821 | struct lpfc_nvme_rport *rport; |
858c9f6c JS |
822 | |
823 | cnt = (LPFC_NODELIST_SIZE / LPFC_NODELIST_ENTRY_SIZE); | |
f91bc594 | 824 | outio = 0; |
858c9f6c | 825 | |
e7f7b6f3 | 826 | len += scnprintf(buf+len, size-len, "\nFCP Nodelist Entries ...\n"); |
858c9f6c JS |
827 | spin_lock_irq(shost->host_lock); |
828 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
f91bc594 | 829 | iocnt = 0; |
858c9f6c | 830 | if (!cnt) { |
e7f7b6f3 | 831 | len += scnprintf(buf+len, size-len, |
858c9f6c JS |
832 | "Missing Nodelist Entries\n"); |
833 | break; | |
834 | } | |
835 | cnt--; | |
836 | switch (ndlp->nlp_state) { | |
837 | case NLP_STE_UNUSED_NODE: | |
838 | statep = "UNUSED"; | |
839 | break; | |
840 | case NLP_STE_PLOGI_ISSUE: | |
841 | statep = "PLOGI "; | |
842 | break; | |
843 | case NLP_STE_ADISC_ISSUE: | |
844 | statep = "ADISC "; | |
845 | break; | |
846 | case NLP_STE_REG_LOGIN_ISSUE: | |
847 | statep = "REGLOG"; | |
848 | break; | |
849 | case NLP_STE_PRLI_ISSUE: | |
850 | statep = "PRLI "; | |
851 | break; | |
086a345f JS |
852 | case NLP_STE_LOGO_ISSUE: |
853 | statep = "LOGO "; | |
854 | break; | |
858c9f6c JS |
855 | case NLP_STE_UNMAPPED_NODE: |
856 | statep = "UNMAP "; | |
f91bc594 | 857 | iocnt = 1; |
858c9f6c JS |
858 | break; |
859 | case NLP_STE_MAPPED_NODE: | |
860 | statep = "MAPPED"; | |
f91bc594 | 861 | iocnt = 1; |
858c9f6c JS |
862 | break; |
863 | case NLP_STE_NPR_NODE: | |
864 | statep = "NPR "; | |
865 | break; | |
866 | default: | |
867 | statep = "UNKNOWN"; | |
868 | } | |
e7f7b6f3 | 869 | len += scnprintf(buf+len, size-len, "%s DID:x%06x ", |
2ea259ee | 870 | statep, ndlp->nlp_DID); |
e7f7b6f3 | 871 | len += scnprintf(buf+len, size-len, |
2ea259ee JS |
872 | "WWPN x%llx ", |
873 | wwn_to_u64(ndlp->nlp_portname.u.wwn)); | |
e7f7b6f3 | 874 | len += scnprintf(buf+len, size-len, |
2ea259ee JS |
875 | "WWNN x%llx ", |
876 | wwn_to_u64(ndlp->nlp_nodename.u.wwn)); | |
086a345f | 877 | if (ndlp->nlp_flag & NLP_RPI_REGISTERED) |
e7f7b6f3 | 878 | len += scnprintf(buf+len, size-len, "RPI:%03d ", |
2ea259ee | 879 | ndlp->nlp_rpi); |
086a345f | 880 | else |
e7f7b6f3 SC |
881 | len += scnprintf(buf+len, size-len, "RPI:none "); |
882 | len += scnprintf(buf+len, size-len, "flag:x%08x ", | |
086a345f | 883 | ndlp->nlp_flag); |
858c9f6c | 884 | if (!ndlp->nlp_type) |
e7f7b6f3 | 885 | len += scnprintf(buf+len, size-len, "UNKNOWN_TYPE "); |
858c9f6c | 886 | if (ndlp->nlp_type & NLP_FC_NODE) |
e7f7b6f3 | 887 | len += scnprintf(buf+len, size-len, "FC_NODE "); |
f91bc594 | 888 | if (ndlp->nlp_type & NLP_FABRIC) { |
e7f7b6f3 | 889 | len += scnprintf(buf+len, size-len, "FABRIC "); |
f91bc594 JS |
890 | iocnt = 0; |
891 | } | |
858c9f6c | 892 | if (ndlp->nlp_type & NLP_FCP_TARGET) |
e7f7b6f3 | 893 | len += scnprintf(buf+len, size-len, "FCP_TGT sid:%d ", |
858c9f6c JS |
894 | ndlp->nlp_sid); |
895 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
e7f7b6f3 | 896 | len += scnprintf(buf+len, size-len, "FCP_INITIATOR "); |
7d790f04 | 897 | if (ndlp->nlp_type & NLP_NVME_TARGET) |
e7f7b6f3 | 898 | len += scnprintf(buf + len, |
7d790f04 JS |
899 | size - len, "NVME_TGT sid:%d ", |
900 | NLP_NO_SID); | |
901 | if (ndlp->nlp_type & NLP_NVME_INITIATOR) | |
e7f7b6f3 | 902 | len += scnprintf(buf + len, |
7d790f04 | 903 | size - len, "NVME_INITIATOR "); |
e7f7b6f3 | 904 | len += scnprintf(buf+len, size-len, "usgmap:%x ", |
58da1ffb | 905 | ndlp->nlp_usg_map); |
e7f7b6f3 | 906 | len += scnprintf(buf+len, size-len, "refcnt:%x", |
2c935bc5 | 907 | kref_read(&ndlp->kref)); |
f91bc594 JS |
908 | if (iocnt) { |
909 | i = atomic_read(&ndlp->cmd_pending); | |
e7f7b6f3 | 910 | len += scnprintf(buf + len, size - len, |
f91bc594 JS |
911 | " OutIO:x%x Qdepth x%x", |
912 | i, ndlp->cmd_qdepth); | |
913 | outio += i; | |
914 | } | |
e7f7b6f3 | 915 | len += scnprintf(buf + len, size - len, "defer:%x ", |
dea16bda | 916 | ndlp->nlp_defer_did); |
e7f7b6f3 | 917 | len += scnprintf(buf+len, size-len, "\n"); |
858c9f6c JS |
918 | } |
919 | spin_unlock_irq(shost->host_lock); | |
2ea259ee | 920 | |
e7f7b6f3 | 921 | len += scnprintf(buf + len, size - len, |
f91bc594 JS |
922 | "\nOutstanding IO x%x\n", outio); |
923 | ||
2b65e182 | 924 | if (phba->nvmet_support && phba->targetport && (vport == phba->pport)) { |
e7f7b6f3 | 925 | len += scnprintf(buf + len, size - len, |
2b65e182 JS |
926 | "\nNVME Targetport Entry ...\n"); |
927 | ||
928 | /* Port state is only one of two values for now. */ | |
929 | if (phba->targetport->port_id) | |
930 | statep = "REGISTERED"; | |
931 | else | |
932 | statep = "INIT"; | |
e7f7b6f3 | 933 | len += scnprintf(buf + len, size - len, |
2b65e182 JS |
934 | "TGT WWNN x%llx WWPN x%llx State %s\n", |
935 | wwn_to_u64(vport->fc_nodename.u.wwn), | |
936 | wwn_to_u64(vport->fc_portname.u.wwn), | |
937 | statep); | |
e7f7b6f3 | 938 | len += scnprintf(buf + len, size - len, |
2b65e182 JS |
939 | " Targetport DID x%06x\n", |
940 | phba->targetport->port_id); | |
941 | goto out_exit; | |
942 | } | |
943 | ||
e7f7b6f3 | 944 | len += scnprintf(buf + len, size - len, |
bd2cdd5e JS |
945 | "\nNVME Lport/Rport Entries ...\n"); |
946 | ||
947 | localport = vport->localport; | |
948 | if (!localport) | |
949 | goto out_exit; | |
950 | ||
951 | spin_lock_irq(shost->host_lock); | |
bd2cdd5e JS |
952 | |
953 | /* Port state is only one of two values for now. */ | |
954 | if (localport->port_id) | |
955 | statep = "ONLINE"; | |
956 | else | |
957 | statep = "UNKNOWN "; | |
958 | ||
e7f7b6f3 | 959 | len += scnprintf(buf + len, size - len, |
bd2cdd5e JS |
960 | "Lport DID x%06x PortState %s\n", |
961 | localport->port_id, statep); | |
962 | ||
e7f7b6f3 | 963 | len += scnprintf(buf + len, size - len, "\tRport List:\n"); |
80cc0043 | 964 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
bd2cdd5e | 965 | /* local short-hand pointer. */ |
9e210178 | 966 | spin_lock(&phba->hbalock); |
01466024 | 967 | rport = lpfc_ndlp_get_nrport(ndlp); |
9e210178 JS |
968 | if (rport) |
969 | nrport = rport->remoteport; | |
f8d29432 AB |
970 | else |
971 | nrport = NULL; | |
9e210178 | 972 | spin_unlock(&phba->hbalock); |
01466024 JS |
973 | if (!nrport) |
974 | continue; | |
bd2cdd5e JS |
975 | |
976 | /* Port state is only one of two values for now. */ | |
977 | switch (nrport->port_state) { | |
978 | case FC_OBJSTATE_ONLINE: | |
979 | statep = "ONLINE"; | |
980 | break; | |
981 | case FC_OBJSTATE_UNKNOWN: | |
982 | statep = "UNKNOWN "; | |
983 | break; | |
984 | default: | |
985 | statep = "UNSUPPORTED"; | |
986 | break; | |
987 | } | |
988 | ||
989 | /* Tab in to show lport ownership. */ | |
e7f7b6f3 | 990 | len += scnprintf(buf + len, size - len, |
bd2cdd5e JS |
991 | "\t%s Port ID:x%06x ", |
992 | statep, nrport->port_id); | |
e7f7b6f3 | 993 | len += scnprintf(buf + len, size - len, "WWPN x%llx ", |
bd2cdd5e | 994 | nrport->port_name); |
e7f7b6f3 | 995 | len += scnprintf(buf + len, size - len, "WWNN x%llx ", |
bd2cdd5e | 996 | nrport->node_name); |
7d790f04 JS |
997 | |
998 | /* An NVME rport can have multiple roles. */ | |
999 | if (nrport->port_role & FC_PORT_ROLE_NVME_INITIATOR) | |
e7f7b6f3 | 1000 | len += scnprintf(buf + len, size - len, |
7d790f04 JS |
1001 | "INITIATOR "); |
1002 | if (nrport->port_role & FC_PORT_ROLE_NVME_TARGET) | |
e7f7b6f3 | 1003 | len += scnprintf(buf + len, size - len, |
7d790f04 JS |
1004 | "TARGET "); |
1005 | if (nrport->port_role & FC_PORT_ROLE_NVME_DISCOVERY) | |
e7f7b6f3 | 1006 | len += scnprintf(buf + len, size - len, |
7d790f04 JS |
1007 | "DISCSRVC "); |
1008 | if (nrport->port_role & ~(FC_PORT_ROLE_NVME_INITIATOR | | |
1009 | FC_PORT_ROLE_NVME_TARGET | | |
1010 | FC_PORT_ROLE_NVME_DISCOVERY)) | |
e7f7b6f3 | 1011 | len += scnprintf(buf + len, size - len, |
bd2cdd5e JS |
1012 | "UNKNOWN ROLE x%x", |
1013 | nrport->port_role); | |
bd2cdd5e | 1014 | /* Terminate the string. */ |
e7f7b6f3 | 1015 | len += scnprintf(buf + len, size - len, "\n"); |
bd2cdd5e JS |
1016 | } |
1017 | ||
1018 | spin_unlock_irq(shost->host_lock); | |
1019 | out_exit: | |
1020 | return len; | |
1021 | } | |
1022 | ||
1023 | /** | |
1024 | * lpfc_debugfs_nvmestat_data - Dump target node list to a buffer | |
1025 | * @vport: The vport to gather target node info from. | |
1026 | * @buf: The buffer to dump log into. | |
1027 | * @size: The maximum amount of data to process. | |
1028 | * | |
1029 | * Description: | |
1030 | * This routine dumps the NVME statistics associated with @vport | |
1031 | * | |
1032 | * Return Value: | |
1033 | * This routine returns the amount of bytes that were dumped into @buf and will | |
1034 | * not exceed @size. | |
1035 | **/ | |
1036 | static int | |
1037 | lpfc_debugfs_nvmestat_data(struct lpfc_vport *vport, char *buf, int size) | |
1038 | { | |
1039 | struct lpfc_hba *phba = vport->phba; | |
2b65e182 | 1040 | struct lpfc_nvmet_tgtport *tgtp; |
86c67379 | 1041 | struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp; |
4b056682 | 1042 | struct nvme_fc_local_port *localport; |
4c47efc1 | 1043 | struct lpfc_fc4_ctrl_stat *cstat; |
4b056682 | 1044 | struct lpfc_nvme_lport *lport; |
66a210ff JS |
1045 | uint64_t data1, data2, data3; |
1046 | uint64_t tot, totin, totout; | |
6a828b0f | 1047 | int cnt, i; |
bd2cdd5e JS |
1048 | int len = 0; |
1049 | ||
2b65e182 JS |
1050 | if (phba->nvmet_support) { |
1051 | if (!phba->targetport) | |
1052 | return len; | |
1053 | tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; | |
e7f7b6f3 | 1054 | len += scnprintf(buf + len, size - len, |
2b65e182 JS |
1055 | "\nNVME Targetport Statistics\n"); |
1056 | ||
e7f7b6f3 | 1057 | len += scnprintf(buf + len, size - len, |
2b65e182 JS |
1058 | "LS: Rcv %08x Drop %08x Abort %08x\n", |
1059 | atomic_read(&tgtp->rcv_ls_req_in), | |
1060 | atomic_read(&tgtp->rcv_ls_req_drop), | |
1061 | atomic_read(&tgtp->xmt_ls_abort)); | |
1062 | if (atomic_read(&tgtp->rcv_ls_req_in) != | |
1063 | atomic_read(&tgtp->rcv_ls_req_out)) { | |
e7f7b6f3 | 1064 | len += scnprintf(buf + len, size - len, |
2b65e182 JS |
1065 | "Rcv LS: in %08x != out %08x\n", |
1066 | atomic_read(&tgtp->rcv_ls_req_in), | |
1067 | atomic_read(&tgtp->rcv_ls_req_out)); | |
1068 | } | |
1069 | ||
e7f7b6f3 | 1070 | len += scnprintf(buf + len, size - len, |
4b056682 | 1071 | "LS: Xmt %08x Drop %08x Cmpl %08x\n", |
2b65e182 JS |
1072 | atomic_read(&tgtp->xmt_ls_rsp), |
1073 | atomic_read(&tgtp->xmt_ls_drop), | |
4b056682 JS |
1074 | atomic_read(&tgtp->xmt_ls_rsp_cmpl)); |
1075 | ||
e7f7b6f3 | 1076 | len += scnprintf(buf + len, size - len, |
4b056682 JS |
1077 | "LS: RSP Abort %08x xb %08x Err %08x\n", |
1078 | atomic_read(&tgtp->xmt_ls_rsp_aborted), | |
1079 | atomic_read(&tgtp->xmt_ls_rsp_xb_set), | |
2b65e182 JS |
1080 | atomic_read(&tgtp->xmt_ls_rsp_error)); |
1081 | ||
e7f7b6f3 | 1082 | len += scnprintf(buf + len, size - len, |
50738420 JS |
1083 | "FCP: Rcv %08x Defer %08x Release %08x " |
1084 | "Drop %08x\n", | |
2b65e182 | 1085 | atomic_read(&tgtp->rcv_fcp_cmd_in), |
50738420 JS |
1086 | atomic_read(&tgtp->rcv_fcp_cmd_defer), |
1087 | atomic_read(&tgtp->xmt_fcp_release), | |
2b65e182 JS |
1088 | atomic_read(&tgtp->rcv_fcp_cmd_drop)); |
1089 | ||
1090 | if (atomic_read(&tgtp->rcv_fcp_cmd_in) != | |
1091 | atomic_read(&tgtp->rcv_fcp_cmd_out)) { | |
e7f7b6f3 | 1092 | len += scnprintf(buf + len, size - len, |
2b65e182 JS |
1093 | "Rcv FCP: in %08x != out %08x\n", |
1094 | atomic_read(&tgtp->rcv_fcp_cmd_in), | |
1095 | atomic_read(&tgtp->rcv_fcp_cmd_out)); | |
1096 | } | |
1097 | ||
e7f7b6f3 | 1098 | len += scnprintf(buf + len, size - len, |
86c67379 JS |
1099 | "FCP Rsp: read %08x readrsp %08x " |
1100 | "write %08x rsp %08x\n", | |
2b65e182 JS |
1101 | atomic_read(&tgtp->xmt_fcp_read), |
1102 | atomic_read(&tgtp->xmt_fcp_read_rsp), | |
1103 | atomic_read(&tgtp->xmt_fcp_write), | |
1104 | atomic_read(&tgtp->xmt_fcp_rsp)); | |
1105 | ||
e7f7b6f3 | 1106 | len += scnprintf(buf + len, size - len, |
2b65e182 JS |
1107 | "FCP Rsp Cmpl: %08x err %08x drop %08x\n", |
1108 | atomic_read(&tgtp->xmt_fcp_rsp_cmpl), | |
1109 | atomic_read(&tgtp->xmt_fcp_rsp_error), | |
1110 | atomic_read(&tgtp->xmt_fcp_rsp_drop)); | |
1111 | ||
e7f7b6f3 | 1112 | len += scnprintf(buf + len, size - len, |
4b056682 JS |
1113 | "FCP Rsp Abort: %08x xb %08x xricqe %08x\n", |
1114 | atomic_read(&tgtp->xmt_fcp_rsp_aborted), | |
1115 | atomic_read(&tgtp->xmt_fcp_rsp_xb_set), | |
1116 | atomic_read(&tgtp->xmt_fcp_xri_abort_cqe)); | |
1117 | ||
e7f7b6f3 | 1118 | len += scnprintf(buf + len, size - len, |
547077a4 JS |
1119 | "ABORT: Xmt %08x Cmpl %08x\n", |
1120 | atomic_read(&tgtp->xmt_fcp_abort), | |
1121 | atomic_read(&tgtp->xmt_fcp_abort_cmpl)); | |
1122 | ||
e7f7b6f3 | 1123 | len += scnprintf(buf + len, size - len, |
547077a4 JS |
1124 | "ABORT: Sol %08x Usol %08x Err %08x Cmpl %08x", |
1125 | atomic_read(&tgtp->xmt_abort_sol), | |
1126 | atomic_read(&tgtp->xmt_abort_unsol), | |
2b65e182 | 1127 | atomic_read(&tgtp->xmt_abort_rsp), |
547077a4 | 1128 | atomic_read(&tgtp->xmt_abort_rsp_error)); |
2b65e182 | 1129 | |
e7f7b6f3 | 1130 | len += scnprintf(buf + len, size - len, "\n"); |
86c67379 JS |
1131 | |
1132 | cnt = 0; | |
5e5b511d | 1133 | spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); |
86c67379 JS |
1134 | list_for_each_entry_safe(ctxp, next_ctxp, |
1135 | &phba->sli4_hba.lpfc_abts_nvmet_ctx_list, | |
1136 | list) { | |
1137 | cnt++; | |
1138 | } | |
5e5b511d | 1139 | spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); |
86c67379 | 1140 | if (cnt) { |
e7f7b6f3 | 1141 | len += scnprintf(buf + len, size - len, |
86c67379 | 1142 | "ABORT: %d ctx entries\n", cnt); |
5e5b511d | 1143 | spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); |
86c67379 JS |
1144 | list_for_each_entry_safe(ctxp, next_ctxp, |
1145 | &phba->sli4_hba.lpfc_abts_nvmet_ctx_list, | |
1146 | list) { | |
1147 | if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ)) | |
1148 | break; | |
e7f7b6f3 | 1149 | len += scnprintf(buf + len, size - len, |
86c67379 JS |
1150 | "Entry: oxid %x state %x " |
1151 | "flag %x\n", | |
1152 | ctxp->oxid, ctxp->state, | |
1153 | ctxp->flag); | |
1154 | } | |
5e5b511d | 1155 | spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); |
86c67379 | 1156 | } |
a8cf5dfe | 1157 | |
66d7ce93 DK |
1158 | /* Calculate outstanding IOs */ |
1159 | tot = atomic_read(&tgtp->rcv_fcp_cmd_drop); | |
1160 | tot += atomic_read(&tgtp->xmt_fcp_release); | |
1161 | tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot; | |
2cee7808 | 1162 | |
e7f7b6f3 | 1163 | len += scnprintf(buf + len, size - len, |
2cee7808 JS |
1164 | "IO_CTX: %08x WAIT: cur %08x tot %08x\n" |
1165 | "CTX Outstanding %08llx\n", | |
966bb5b7 | 1166 | phba->sli4_hba.nvmet_xri_cnt, |
a8cf5dfe | 1167 | phba->sli4_hba.nvmet_io_wait_cnt, |
2cee7808 JS |
1168 | phba->sli4_hba.nvmet_io_wait_total, |
1169 | tot); | |
2b65e182 | 1170 | } else { |
f6e84790 | 1171 | if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) |
bd2cdd5e JS |
1172 | return len; |
1173 | ||
4b056682 JS |
1174 | localport = vport->localport; |
1175 | if (!localport) | |
1176 | return len; | |
1177 | lport = (struct lpfc_nvme_lport *)localport->private; | |
1178 | if (!lport) | |
1179 | return len; | |
1180 | ||
e7f7b6f3 | 1181 | len += scnprintf(buf + len, size - len, |
4c47efc1 | 1182 | "\nNVME HDWQ Statistics\n"); |
66a210ff | 1183 | |
e7f7b6f3 | 1184 | len += scnprintf(buf + len, size - len, |
66a210ff JS |
1185 | "LS: Xmt %016x Cmpl %016x\n", |
1186 | atomic_read(&lport->fc4NvmeLsRequests), | |
1187 | atomic_read(&lport->fc4NvmeLsCmpls)); | |
1188 | ||
66a210ff JS |
1189 | totin = 0; |
1190 | totout = 0; | |
cdb42bec | 1191 | for (i = 0; i < phba->cfg_hdw_queue; i++) { |
4c47efc1 JS |
1192 | cstat = &phba->sli4_hba.hdwq[i].nvme_cstat; |
1193 | tot = cstat->io_cmpls; | |
66a210ff | 1194 | totin += tot; |
4c47efc1 JS |
1195 | data1 = cstat->input_requests; |
1196 | data2 = cstat->output_requests; | |
1197 | data3 = cstat->control_requests; | |
66a210ff JS |
1198 | totout += (data1 + data2 + data3); |
1199 | ||
1200 | /* Limit to 32, debugfs display buffer limitation */ | |
1201 | if (i >= 32) | |
1202 | continue; | |
1203 | ||
e7f7b6f3 | 1204 | len += scnprintf(buf + len, PAGE_SIZE - len, |
4c47efc1 | 1205 | "HDWQ (%d): Rd %016llx Wr %016llx " |
66a210ff JS |
1206 | "IO %016llx ", |
1207 | i, data1, data2, data3); | |
e7f7b6f3 | 1208 | len += scnprintf(buf + len, PAGE_SIZE - len, |
66a210ff JS |
1209 | "Cmpl %016llx OutIO %016llx\n", |
1210 | tot, ((data1 + data2 + data3) - tot)); | |
1211 | } | |
e7f7b6f3 | 1212 | len += scnprintf(buf + len, PAGE_SIZE - len, |
66a210ff JS |
1213 | "Total FCP Cmpl %016llx Issue %016llx " |
1214 | "OutIO %016llx\n", | |
1215 | totin, totout, totout - totin); | |
1216 | ||
e7f7b6f3 | 1217 | len += scnprintf(buf + len, size - len, |
4b056682 JS |
1218 | "LS Xmt Err: Abrt %08x Err %08x " |
1219 | "Cmpl Err: xb %08x Err %08x\n", | |
1220 | atomic_read(&lport->xmt_ls_abort), | |
1221 | atomic_read(&lport->xmt_ls_err), | |
1222 | atomic_read(&lport->cmpl_ls_xb), | |
1223 | atomic_read(&lport->cmpl_ls_err)); | |
1224 | ||
e7f7b6f3 | 1225 | len += scnprintf(buf + len, size - len, |
4b056682 | 1226 | "FCP Xmt Err: noxri %06x nondlp %06x " |
44c2757b | 1227 | "qdepth %06x wqerr %06x err %06x Abrt %06x\n", |
4b056682 JS |
1228 | atomic_read(&lport->xmt_fcp_noxri), |
1229 | atomic_read(&lport->xmt_fcp_bad_ndlp), | |
1230 | atomic_read(&lport->xmt_fcp_qdepth), | |
1231 | atomic_read(&lport->xmt_fcp_wqerr), | |
44c2757b | 1232 | atomic_read(&lport->xmt_fcp_err), |
4b056682 JS |
1233 | atomic_read(&lport->xmt_fcp_abort)); |
1234 | ||
e7f7b6f3 | 1235 | len += scnprintf(buf + len, size - len, |
4b056682 JS |
1236 | "FCP Cmpl Err: xb %08x Err %08x\n", |
1237 | atomic_read(&lport->cmpl_fcp_xb), | |
1238 | atomic_read(&lport->cmpl_fcp_err)); | |
1239 | ||
bd2cdd5e JS |
1240 | } |
1241 | ||
1242 | return len; | |
1243 | } | |
1244 | ||
4c47efc1 JS |
1245 | /** |
1246 | * lpfc_debugfs_scsistat_data - Dump target node list to a buffer | |
1247 | * @vport: The vport to gather target node info from. | |
1248 | * @buf: The buffer to dump log into. | |
1249 | * @size: The maximum amount of data to process. | |
1250 | * | |
1251 | * Description: | |
1252 | * This routine dumps the SCSI statistics associated with @vport | |
1253 | * | |
1254 | * Return Value: | |
1255 | * This routine returns the amount of bytes that were dumped into @buf and will | |
1256 | * not exceed @size. | |
1257 | **/ | |
1258 | static int | |
1259 | lpfc_debugfs_scsistat_data(struct lpfc_vport *vport, char *buf, int size) | |
1260 | { | |
1261 | int len; | |
1262 | struct lpfc_hba *phba = vport->phba; | |
1263 | struct lpfc_fc4_ctrl_stat *cstat; | |
1264 | u64 data1, data2, data3; | |
1265 | u64 tot, totin, totout; | |
1266 | int i; | |
1267 | char tmp[LPFC_MAX_SCSI_INFO_TMP_LEN] = {0}; | |
1268 | ||
f6e84790 | 1269 | if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_FCP) || |
4c47efc1 JS |
1270 | (phba->sli_rev != LPFC_SLI_REV4)) |
1271 | return 0; | |
1272 | ||
1273 | scnprintf(buf, size, "SCSI HDWQ Statistics\n"); | |
1274 | ||
1275 | totin = 0; | |
1276 | totout = 0; | |
1277 | for (i = 0; i < phba->cfg_hdw_queue; i++) { | |
1278 | cstat = &phba->sli4_hba.hdwq[i].scsi_cstat; | |
1279 | tot = cstat->io_cmpls; | |
1280 | totin += tot; | |
1281 | data1 = cstat->input_requests; | |
1282 | data2 = cstat->output_requests; | |
1283 | data3 = cstat->control_requests; | |
1284 | totout += (data1 + data2 + data3); | |
1285 | ||
1286 | scnprintf(tmp, sizeof(tmp), "HDWQ (%d): Rd %016llx Wr %016llx " | |
1287 | "IO %016llx ", i, data1, data2, data3); | |
1288 | if (strlcat(buf, tmp, size) >= size) | |
1289 | goto buffer_done; | |
1290 | ||
1291 | scnprintf(tmp, sizeof(tmp), "Cmpl %016llx OutIO %016llx\n", | |
1292 | tot, ((data1 + data2 + data3) - tot)); | |
1293 | if (strlcat(buf, tmp, size) >= size) | |
1294 | goto buffer_done; | |
1295 | } | |
1296 | scnprintf(tmp, sizeof(tmp), "Total FCP Cmpl %016llx Issue %016llx " | |
1297 | "OutIO %016llx\n", totin, totout, totout - totin); | |
1298 | strlcat(buf, tmp, size); | |
1299 | ||
1300 | buffer_done: | |
1301 | len = strnlen(buf, size); | |
1302 | ||
1303 | return len; | |
1304 | } | |
bd2cdd5e JS |
1305 | |
1306 | /** | |
1307 | * lpfc_debugfs_nvmektime_data - Dump target node list to a buffer | |
1308 | * @vport: The vport to gather target node info from. | |
1309 | * @buf: The buffer to dump log into. | |
1310 | * @size: The maximum amount of data to process. | |
1311 | * | |
1312 | * Description: | |
1313 | * This routine dumps the NVME statistics associated with @vport | |
1314 | * | |
1315 | * Return Value: | |
1316 | * This routine returns the amount of bytes that were dumped into @buf and will | |
1317 | * not exceed @size. | |
1318 | **/ | |
1319 | static int | |
1320 | lpfc_debugfs_nvmektime_data(struct lpfc_vport *vport, char *buf, int size) | |
1321 | { | |
1322 | struct lpfc_hba *phba = vport->phba; | |
1323 | int len = 0; | |
1324 | ||
1325 | if (phba->nvmet_support == 0) { | |
1326 | /* NVME Initiator */ | |
e7f7b6f3 | 1327 | len += scnprintf(buf + len, PAGE_SIZE - len, |
bd2cdd5e JS |
1328 | "ktime %s: Total Samples: %lld\n", |
1329 | (phba->ktime_on ? "Enabled" : "Disabled"), | |
1330 | phba->ktime_data_samples); | |
1331 | if (phba->ktime_data_samples == 0) | |
1332 | return len; | |
1333 | ||
e7f7b6f3 | 1334 | len += scnprintf( |
bd2cdd5e JS |
1335 | buf + len, PAGE_SIZE - len, |
1336 | "Segment 1: Last NVME Cmd cmpl " | |
1337 | "done -to- Start of next NVME cnd (in driver)\n"); | |
e7f7b6f3 | 1338 | len += scnprintf( |
bd2cdd5e JS |
1339 | buf + len, PAGE_SIZE - len, |
1340 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
1341 | div_u64(phba->ktime_seg1_total, |
1342 | phba->ktime_data_samples), | |
bd2cdd5e JS |
1343 | phba->ktime_seg1_min, |
1344 | phba->ktime_seg1_max); | |
e7f7b6f3 | 1345 | len += scnprintf( |
bd2cdd5e JS |
1346 | buf + len, PAGE_SIZE - len, |
1347 | "Segment 2: Driver start of NVME cmd " | |
1348 | "-to- Firmware WQ doorbell\n"); | |
e7f7b6f3 | 1349 | len += scnprintf( |
bd2cdd5e JS |
1350 | buf + len, PAGE_SIZE - len, |
1351 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
1352 | div_u64(phba->ktime_seg2_total, |
1353 | phba->ktime_data_samples), | |
bd2cdd5e JS |
1354 | phba->ktime_seg2_min, |
1355 | phba->ktime_seg2_max); | |
e7f7b6f3 | 1356 | len += scnprintf( |
bd2cdd5e JS |
1357 | buf + len, PAGE_SIZE - len, |
1358 | "Segment 3: Firmware WQ doorbell -to- " | |
1359 | "MSI-X ISR cmpl\n"); | |
e7f7b6f3 | 1360 | len += scnprintf( |
bd2cdd5e JS |
1361 | buf + len, PAGE_SIZE - len, |
1362 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
1363 | div_u64(phba->ktime_seg3_total, |
1364 | phba->ktime_data_samples), | |
bd2cdd5e JS |
1365 | phba->ktime_seg3_min, |
1366 | phba->ktime_seg3_max); | |
e7f7b6f3 | 1367 | len += scnprintf( |
bd2cdd5e JS |
1368 | buf + len, PAGE_SIZE - len, |
1369 | "Segment 4: MSI-X ISR cmpl -to- " | |
1370 | "NVME cmpl done\n"); | |
e7f7b6f3 | 1371 | len += scnprintf( |
bd2cdd5e JS |
1372 | buf + len, PAGE_SIZE - len, |
1373 | "avg:%08lld min:%08lld max %08lld\n", | |
90ec7c9d AB |
1374 | div_u64(phba->ktime_seg4_total, |
1375 | phba->ktime_data_samples), | |
bd2cdd5e JS |
1376 | phba->ktime_seg4_min, |
1377 | phba->ktime_seg4_max); | |
e7f7b6f3 | 1378 | len += scnprintf( |
bd2cdd5e JS |
1379 | buf + len, PAGE_SIZE - len, |
1380 | "Total IO avg time: %08lld\n", | |
90ec7c9d | 1381 | div_u64(phba->ktime_seg1_total + |
bd2cdd5e JS |
1382 | phba->ktime_seg2_total + |
1383 | phba->ktime_seg3_total + | |
90ec7c9d | 1384 | phba->ktime_seg4_total, |
bd2cdd5e JS |
1385 | phba->ktime_data_samples)); |
1386 | return len; | |
1387 | } | |
2b65e182 JS |
1388 | |
1389 | /* NVME Target */ | |
e7f7b6f3 | 1390 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 JS |
1391 | "ktime %s: Total Samples: %lld %lld\n", |
1392 | (phba->ktime_on ? "Enabled" : "Disabled"), | |
1393 | phba->ktime_data_samples, | |
1394 | phba->ktime_status_samples); | |
1395 | if (phba->ktime_data_samples == 0) | |
1396 | return len; | |
1397 | ||
e7f7b6f3 | 1398 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 JS |
1399 | "Segment 1: MSI-X ISR Rcv cmd -to- " |
1400 | "cmd pass to NVME Layer\n"); | |
e7f7b6f3 | 1401 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 | 1402 | "avg:%08lld min:%08lld max %08lld\n", |
90ec7c9d AB |
1403 | div_u64(phba->ktime_seg1_total, |
1404 | phba->ktime_data_samples), | |
2b65e182 JS |
1405 | phba->ktime_seg1_min, |
1406 | phba->ktime_seg1_max); | |
e7f7b6f3 | 1407 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 JS |
1408 | "Segment 2: cmd pass to NVME Layer- " |
1409 | "-to- Driver rcv cmd OP (action)\n"); | |
e7f7b6f3 | 1410 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 | 1411 | "avg:%08lld min:%08lld max %08lld\n", |
90ec7c9d AB |
1412 | div_u64(phba->ktime_seg2_total, |
1413 | phba->ktime_data_samples), | |
2b65e182 JS |
1414 | phba->ktime_seg2_min, |
1415 | phba->ktime_seg2_max); | |
e7f7b6f3 | 1416 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 JS |
1417 | "Segment 3: Driver rcv cmd OP -to- " |
1418 | "Firmware WQ doorbell: cmd\n"); | |
e7f7b6f3 | 1419 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 | 1420 | "avg:%08lld min:%08lld max %08lld\n", |
90ec7c9d AB |
1421 | div_u64(phba->ktime_seg3_total, |
1422 | phba->ktime_data_samples), | |
2b65e182 JS |
1423 | phba->ktime_seg3_min, |
1424 | phba->ktime_seg3_max); | |
e7f7b6f3 | 1425 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 JS |
1426 | "Segment 4: Firmware WQ doorbell: cmd " |
1427 | "-to- MSI-X ISR for cmd cmpl\n"); | |
e7f7b6f3 | 1428 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 | 1429 | "avg:%08lld min:%08lld max %08lld\n", |
90ec7c9d AB |
1430 | div_u64(phba->ktime_seg4_total, |
1431 | phba->ktime_data_samples), | |
2b65e182 JS |
1432 | phba->ktime_seg4_min, |
1433 | phba->ktime_seg4_max); | |
e7f7b6f3 | 1434 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 JS |
1435 | "Segment 5: MSI-X ISR for cmd cmpl " |
1436 | "-to- NVME layer passed cmd done\n"); | |
e7f7b6f3 | 1437 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 | 1438 | "avg:%08lld min:%08lld max %08lld\n", |
90ec7c9d AB |
1439 | div_u64(phba->ktime_seg5_total, |
1440 | phba->ktime_data_samples), | |
2b65e182 JS |
1441 | phba->ktime_seg5_min, |
1442 | phba->ktime_seg5_max); | |
1443 | ||
1444 | if (phba->ktime_status_samples == 0) { | |
e7f7b6f3 | 1445 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 JS |
1446 | "Total: cmd received by MSI-X ISR " |
1447 | "-to- cmd completed on wire\n"); | |
e7f7b6f3 | 1448 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 JS |
1449 | "avg:%08lld min:%08lld " |
1450 | "max %08lld\n", | |
90ec7c9d AB |
1451 | div_u64(phba->ktime_seg10_total, |
1452 | phba->ktime_data_samples), | |
2b65e182 JS |
1453 | phba->ktime_seg10_min, |
1454 | phba->ktime_seg10_max); | |
1455 | return len; | |
1456 | } | |
1457 | ||
e7f7b6f3 | 1458 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 JS |
1459 | "Segment 6: NVME layer passed cmd done " |
1460 | "-to- Driver rcv rsp status OP\n"); | |
e7f7b6f3 | 1461 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 | 1462 | "avg:%08lld min:%08lld max %08lld\n", |
90ec7c9d AB |
1463 | div_u64(phba->ktime_seg6_total, |
1464 | phba->ktime_status_samples), | |
2b65e182 JS |
1465 | phba->ktime_seg6_min, |
1466 | phba->ktime_seg6_max); | |
e7f7b6f3 | 1467 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 JS |
1468 | "Segment 7: Driver rcv rsp status OP " |
1469 | "-to- Firmware WQ doorbell: status\n"); | |
e7f7b6f3 | 1470 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 | 1471 | "avg:%08lld min:%08lld max %08lld\n", |
90ec7c9d AB |
1472 | div_u64(phba->ktime_seg7_total, |
1473 | phba->ktime_status_samples), | |
2b65e182 JS |
1474 | phba->ktime_seg7_min, |
1475 | phba->ktime_seg7_max); | |
e7f7b6f3 | 1476 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 JS |
1477 | "Segment 8: Firmware WQ doorbell: status" |
1478 | " -to- MSI-X ISR for status cmpl\n"); | |
e7f7b6f3 | 1479 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 | 1480 | "avg:%08lld min:%08lld max %08lld\n", |
90ec7c9d AB |
1481 | div_u64(phba->ktime_seg8_total, |
1482 | phba->ktime_status_samples), | |
2b65e182 JS |
1483 | phba->ktime_seg8_min, |
1484 | phba->ktime_seg8_max); | |
e7f7b6f3 | 1485 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 JS |
1486 | "Segment 9: MSI-X ISR for status cmpl " |
1487 | "-to- NVME layer passed status done\n"); | |
e7f7b6f3 | 1488 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 | 1489 | "avg:%08lld min:%08lld max %08lld\n", |
90ec7c9d AB |
1490 | div_u64(phba->ktime_seg9_total, |
1491 | phba->ktime_status_samples), | |
2b65e182 JS |
1492 | phba->ktime_seg9_min, |
1493 | phba->ktime_seg9_max); | |
e7f7b6f3 | 1494 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 JS |
1495 | "Total: cmd received by MSI-X ISR -to- " |
1496 | "cmd completed on wire\n"); | |
e7f7b6f3 | 1497 | len += scnprintf(buf + len, PAGE_SIZE-len, |
2b65e182 | 1498 | "avg:%08lld min:%08lld max %08lld\n", |
90ec7c9d AB |
1499 | div_u64(phba->ktime_seg10_total, |
1500 | phba->ktime_status_samples), | |
2b65e182 JS |
1501 | phba->ktime_seg10_min, |
1502 | phba->ktime_seg10_max); | |
bd2cdd5e JS |
1503 | return len; |
1504 | } | |
1505 | ||
1506 | /** | |
1507 | * lpfc_debugfs_nvmeio_trc_data - Dump NVME IO trace list to a buffer | |
1508 | * @phba: The phba to gather target node info from. | |
1509 | * @buf: The buffer to dump log into. | |
1510 | * @size: The maximum amount of data to process. | |
1511 | * | |
1512 | * Description: | |
1513 | * This routine dumps the NVME IO trace associated with @phba | |
1514 | * | |
1515 | * Return Value: | |
1516 | * This routine returns the amount of bytes that were dumped into @buf and will | |
1517 | * not exceed @size. | |
1518 | **/ | |
1519 | static int | |
1520 | lpfc_debugfs_nvmeio_trc_data(struct lpfc_hba *phba, char *buf, int size) | |
1521 | { | |
1522 | struct lpfc_debugfs_nvmeio_trc *dtp; | |
1523 | int i, state, index, skip; | |
1524 | int len = 0; | |
1525 | ||
1526 | state = phba->nvmeio_trc_on; | |
1527 | ||
1528 | index = (atomic_read(&phba->nvmeio_trc_cnt) + 1) & | |
1529 | (phba->nvmeio_trc_size - 1); | |
1530 | skip = phba->nvmeio_trc_output_idx; | |
1531 | ||
e7f7b6f3 | 1532 | len += scnprintf(buf + len, size - len, |
bd2cdd5e JS |
1533 | "%s IO Trace %s: next_idx %d skip %d size %d\n", |
1534 | (phba->nvmet_support ? "NVME" : "NVMET"), | |
1535 | (state ? "Enabled" : "Disabled"), | |
1536 | index, skip, phba->nvmeio_trc_size); | |
1537 | ||
1538 | if (!phba->nvmeio_trc || state) | |
1539 | return len; | |
1540 | ||
1541 | /* trace MUST bhe off to continue */ | |
1542 | ||
1543 | for (i = index; i < phba->nvmeio_trc_size; i++) { | |
1544 | if (skip) { | |
1545 | skip--; | |
1546 | continue; | |
1547 | } | |
1548 | dtp = phba->nvmeio_trc + i; | |
1549 | phba->nvmeio_trc_output_idx++; | |
1550 | ||
1551 | if (!dtp->fmt) | |
1552 | continue; | |
1553 | ||
e7f7b6f3 | 1554 | len += scnprintf(buf + len, size - len, dtp->fmt, |
bd2cdd5e JS |
1555 | dtp->data1, dtp->data2, dtp->data3); |
1556 | ||
1557 | if (phba->nvmeio_trc_output_idx >= phba->nvmeio_trc_size) { | |
1558 | phba->nvmeio_trc_output_idx = 0; | |
e7f7b6f3 | 1559 | len += scnprintf(buf + len, size - len, |
bd2cdd5e JS |
1560 | "Trace Complete\n"); |
1561 | goto out; | |
1562 | } | |
1563 | ||
1564 | if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ)) { | |
e7f7b6f3 | 1565 | len += scnprintf(buf + len, size - len, |
bd2cdd5e JS |
1566 | "Trace Continue (%d of %d)\n", |
1567 | phba->nvmeio_trc_output_idx, | |
1568 | phba->nvmeio_trc_size); | |
1569 | goto out; | |
1570 | } | |
1571 | } | |
1572 | for (i = 0; i < index; i++) { | |
1573 | if (skip) { | |
1574 | skip--; | |
1575 | continue; | |
1576 | } | |
1577 | dtp = phba->nvmeio_trc + i; | |
1578 | phba->nvmeio_trc_output_idx++; | |
1579 | ||
1580 | if (!dtp->fmt) | |
1581 | continue; | |
1582 | ||
e7f7b6f3 | 1583 | len += scnprintf(buf + len, size - len, dtp->fmt, |
bd2cdd5e JS |
1584 | dtp->data1, dtp->data2, dtp->data3); |
1585 | ||
1586 | if (phba->nvmeio_trc_output_idx >= phba->nvmeio_trc_size) { | |
1587 | phba->nvmeio_trc_output_idx = 0; | |
e7f7b6f3 | 1588 | len += scnprintf(buf + len, size - len, |
bd2cdd5e JS |
1589 | "Trace Complete\n"); |
1590 | goto out; | |
1591 | } | |
1592 | ||
1593 | if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ)) { | |
e7f7b6f3 | 1594 | len += scnprintf(buf + len, size - len, |
bd2cdd5e JS |
1595 | "Trace Continue (%d of %d)\n", |
1596 | phba->nvmeio_trc_output_idx, | |
1597 | phba->nvmeio_trc_size); | |
1598 | goto out; | |
1599 | } | |
1600 | } | |
1601 | ||
e7f7b6f3 | 1602 | len += scnprintf(buf + len, size - len, |
bd2cdd5e JS |
1603 | "Trace Done\n"); |
1604 | out: | |
1605 | return len; | |
1606 | } | |
1607 | ||
1608 | /** | |
1609 | * lpfc_debugfs_cpucheck_data - Dump target node list to a buffer | |
1610 | * @vport: The vport to gather target node info from. | |
1611 | * @buf: The buffer to dump log into. | |
1612 | * @size: The maximum amount of data to process. | |
1613 | * | |
1614 | * Description: | |
1615 | * This routine dumps the NVME statistics associated with @vport | |
1616 | * | |
1617 | * Return Value: | |
1618 | * This routine returns the amount of bytes that were dumped into @buf and will | |
1619 | * not exceed @size. | |
1620 | **/ | |
1621 | static int | |
1622 | lpfc_debugfs_cpucheck_data(struct lpfc_vport *vport, char *buf, int size) | |
1623 | { | |
1624 | struct lpfc_hba *phba = vport->phba; | |
63df6d63 | 1625 | struct lpfc_sli4_hdw_queue *qp; |
6a828b0f | 1626 | int i, j, max_cnt; |
bd2cdd5e | 1627 | int len = 0; |
63df6d63 JS |
1628 | uint32_t tot_xmt; |
1629 | uint32_t tot_rcv; | |
1630 | uint32_t tot_cmpl; | |
bd2cdd5e | 1631 | |
e7f7b6f3 | 1632 | len += scnprintf(buf + len, PAGE_SIZE - len, |
63df6d63 JS |
1633 | "CPUcheck %s ", |
1634 | (phba->cpucheck_on & LPFC_CHECK_NVME_IO ? | |
1635 | "Enabled" : "Disabled")); | |
1636 | if (phba->nvmet_support) { | |
e7f7b6f3 | 1637 | len += scnprintf(buf + len, PAGE_SIZE - len, |
63df6d63 JS |
1638 | "%s\n", |
1639 | (phba->cpucheck_on & LPFC_CHECK_NVMET_RCV ? | |
1640 | "Rcv Enabled\n" : "Rcv Disabled\n")); | |
1641 | } else { | |
e7f7b6f3 | 1642 | len += scnprintf(buf + len, PAGE_SIZE - len, "\n"); |
bd2cdd5e | 1643 | } |
6a828b0f | 1644 | max_cnt = size - LPFC_DEBUG_OUT_LINE_SZ; |
bd2cdd5e | 1645 | |
63df6d63 JS |
1646 | for (i = 0; i < phba->cfg_hdw_queue; i++) { |
1647 | qp = &phba->sli4_hba.hdwq[i]; | |
1648 | ||
1649 | tot_rcv = 0; | |
1650 | tot_xmt = 0; | |
1651 | tot_cmpl = 0; | |
1652 | for (j = 0; j < LPFC_CHECK_CPU_CNT; j++) { | |
1653 | tot_xmt += qp->cpucheck_xmt_io[j]; | |
1654 | tot_cmpl += qp->cpucheck_cmpl_io[j]; | |
1655 | if (phba->nvmet_support) | |
1656 | tot_rcv += qp->cpucheck_rcv_io[j]; | |
1657 | } | |
1658 | ||
1659 | /* Only display Hardware Qs with something */ | |
1660 | if (!tot_xmt && !tot_cmpl && !tot_rcv) | |
1661 | continue; | |
1662 | ||
e7f7b6f3 | 1663 | len += scnprintf(buf + len, PAGE_SIZE - len, |
63df6d63 JS |
1664 | "HDWQ %03d: ", i); |
1665 | for (j = 0; j < LPFC_CHECK_CPU_CNT; j++) { | |
1666 | /* Only display non-zero counters */ | |
1667 | if (!qp->cpucheck_xmt_io[j] && | |
1668 | !qp->cpucheck_cmpl_io[j] && | |
1669 | !qp->cpucheck_rcv_io[j]) | |
1670 | continue; | |
1671 | if (phba->nvmet_support) { | |
e7f7b6f3 | 1672 | len += scnprintf(buf + len, PAGE_SIZE - len, |
63df6d63 JS |
1673 | "CPU %03d: %x/%x/%x ", j, |
1674 | qp->cpucheck_rcv_io[j], | |
1675 | qp->cpucheck_xmt_io[j], | |
1676 | qp->cpucheck_cmpl_io[j]); | |
1677 | } else { | |
e7f7b6f3 | 1678 | len += scnprintf(buf + len, PAGE_SIZE - len, |
63df6d63 JS |
1679 | "CPU %03d: %x/%x ", j, |
1680 | qp->cpucheck_xmt_io[j], | |
1681 | qp->cpucheck_cmpl_io[j]); | |
1682 | } | |
1683 | } | |
e7f7b6f3 | 1684 | len += scnprintf(buf + len, PAGE_SIZE - len, |
63df6d63 | 1685 | "Total: %x\n", tot_xmt); |
6a828b0f | 1686 | if (len >= max_cnt) { |
e7f7b6f3 | 1687 | len += scnprintf(buf + len, PAGE_SIZE - len, |
6a828b0f JS |
1688 | "Truncated ...\n"); |
1689 | return len; | |
1690 | } | |
2b65e182 | 1691 | } |
858c9f6c JS |
1692 | return len; |
1693 | } | |
2ea259ee | 1694 | |
858c9f6c JS |
1695 | #endif |
1696 | ||
e59058c4 | 1697 | /** |
3621a710 | 1698 | * lpfc_debugfs_disc_trc - Store discovery trace log |
e59058c4 JS |
1699 | * @vport: The vport to associate this trace string with for retrieval. |
1700 | * @mask: Log entry classification. | |
1701 | * @fmt: Format string to be displayed when dumping the log. | |
1702 | * @data1: 1st data parameter to be applied to @fmt. | |
1703 | * @data2: 2nd data parameter to be applied to @fmt. | |
1704 | * @data3: 3rd data parameter to be applied to @fmt. | |
1705 | * | |
1706 | * Description: | |
1707 | * This routine is used by the driver code to add a debugfs log entry to the | |
1708 | * discovery trace buffer associated with @vport. Only entries with a @mask that | |
1709 | * match the current debugfs discovery mask will be saved. Entries that do not | |
1710 | * match will be thrown away. @fmt, @data1, @data2, and @data3 are used like | |
1711 | * printf when displaying the log. | |
1712 | **/ | |
858c9f6c JS |
1713 | inline void |
1714 | lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt, | |
1715 | uint32_t data1, uint32_t data2, uint32_t data3) | |
1716 | { | |
923e4b6a | 1717 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
a58cbd52 | 1718 | struct lpfc_debugfs_trc *dtp; |
858c9f6c JS |
1719 | int index; |
1720 | ||
1721 | if (!(lpfc_debugfs_mask_disc_trc & mask)) | |
1722 | return; | |
1723 | ||
1724 | if (!lpfc_debugfs_enable || !lpfc_debugfs_max_disc_trc || | |
1725 | !vport || !vport->disc_trc) | |
1726 | return; | |
1727 | ||
1728 | index = atomic_inc_return(&vport->disc_trc_cnt) & | |
1729 | (lpfc_debugfs_max_disc_trc - 1); | |
1730 | dtp = vport->disc_trc + index; | |
1731 | dtp->fmt = fmt; | |
1732 | dtp->data1 = data1; | |
1733 | dtp->data2 = data2; | |
1734 | dtp->data3 = data3; | |
a58cbd52 JS |
1735 | dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); |
1736 | dtp->jif = jiffies; | |
1737 | #endif | |
1738 | return; | |
1739 | } | |
1740 | ||
e59058c4 | 1741 | /** |
3621a710 | 1742 | * lpfc_debugfs_slow_ring_trc - Store slow ring trace log |
e59058c4 JS |
1743 | * @phba: The phba to associate this trace string with for retrieval. |
1744 | * @fmt: Format string to be displayed when dumping the log. | |
1745 | * @data1: 1st data parameter to be applied to @fmt. | |
1746 | * @data2: 2nd data parameter to be applied to @fmt. | |
1747 | * @data3: 3rd data parameter to be applied to @fmt. | |
1748 | * | |
1749 | * Description: | |
1750 | * This routine is used by the driver code to add a debugfs log entry to the | |
1751 | * discovery trace buffer associated with @vport. @fmt, @data1, @data2, and | |
1752 | * @data3 are used like printf when displaying the log. | |
1753 | **/ | |
a58cbd52 JS |
1754 | inline void |
1755 | lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt, | |
1756 | uint32_t data1, uint32_t data2, uint32_t data3) | |
1757 | { | |
923e4b6a | 1758 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
a58cbd52 JS |
1759 | struct lpfc_debugfs_trc *dtp; |
1760 | int index; | |
1761 | ||
1762 | if (!lpfc_debugfs_enable || !lpfc_debugfs_max_slow_ring_trc || | |
1763 | !phba || !phba->slow_ring_trc) | |
1764 | return; | |
1765 | ||
1766 | index = atomic_inc_return(&phba->slow_ring_trc_cnt) & | |
1767 | (lpfc_debugfs_max_slow_ring_trc - 1); | |
1768 | dtp = phba->slow_ring_trc + index; | |
1769 | dtp->fmt = fmt; | |
1770 | dtp->data1 = data1; | |
1771 | dtp->data2 = data2; | |
1772 | dtp->data3 = data3; | |
1773 | dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); | |
858c9f6c JS |
1774 | dtp->jif = jiffies; |
1775 | #endif | |
1776 | return; | |
1777 | } | |
1778 | ||
bd2cdd5e JS |
1779 | /** |
1780 | * lpfc_debugfs_nvme_trc - Store NVME/NVMET trace log | |
1781 | * @phba: The phba to associate this trace string with for retrieval. | |
1782 | * @fmt: Format string to be displayed when dumping the log. | |
1783 | * @data1: 1st data parameter to be applied to @fmt. | |
1784 | * @data2: 2nd data parameter to be applied to @fmt. | |
1785 | * @data3: 3rd data parameter to be applied to @fmt. | |
1786 | * | |
1787 | * Description: | |
1788 | * This routine is used by the driver code to add a debugfs log entry to the | |
1789 | * nvme trace buffer associated with @phba. @fmt, @data1, @data2, and | |
1790 | * @data3 are used like printf when displaying the log. | |
1791 | **/ | |
1792 | inline void | |
1793 | lpfc_debugfs_nvme_trc(struct lpfc_hba *phba, char *fmt, | |
1794 | uint16_t data1, uint16_t data2, uint32_t data3) | |
1795 | { | |
1796 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS | |
1797 | struct lpfc_debugfs_nvmeio_trc *dtp; | |
1798 | int index; | |
1799 | ||
1800 | if (!phba->nvmeio_trc_on || !phba->nvmeio_trc) | |
1801 | return; | |
1802 | ||
1803 | index = atomic_inc_return(&phba->nvmeio_trc_cnt) & | |
1804 | (phba->nvmeio_trc_size - 1); | |
1805 | dtp = phba->nvmeio_trc + index; | |
1806 | dtp->fmt = fmt; | |
1807 | dtp->data1 = data1; | |
1808 | dtp->data2 = data2; | |
1809 | dtp->data3 = data3; | |
1810 | #endif | |
1811 | } | |
1812 | ||
923e4b6a | 1813 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
e59058c4 | 1814 | /** |
3621a710 | 1815 | * lpfc_debugfs_disc_trc_open - Open the discovery trace log |
e59058c4 JS |
1816 | * @inode: The inode pointer that contains a vport pointer. |
1817 | * @file: The file pointer to attach the log output. | |
1818 | * | |
1819 | * Description: | |
1820 | * This routine is the entry point for the debugfs open file operation. It gets | |
1821 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
1822 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
1823 | * returns a pointer to that log in the private_data field in @file. | |
1824 | * | |
1825 | * Returns: | |
79ce48df | 1826 | * This function returns zero if successful. On error it will return a negative |
e59058c4 JS |
1827 | * error value. |
1828 | **/ | |
858c9f6c JS |
1829 | static int |
1830 | lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file) | |
1831 | { | |
1832 | struct lpfc_vport *vport = inode->i_private; | |
1833 | struct lpfc_debug *debug; | |
1834 | int size; | |
1835 | int rc = -ENOMEM; | |
1836 | ||
1837 | if (!lpfc_debugfs_max_disc_trc) { | |
258f84fa | 1838 | rc = -ENOSPC; |
858c9f6c JS |
1839 | goto out; |
1840 | } | |
1841 | ||
1842 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1843 | if (!debug) | |
1844 | goto out; | |
1845 | ||
e59058c4 | 1846 | /* Round to page boundary */ |
a58cbd52 | 1847 | size = (lpfc_debugfs_max_disc_trc * LPFC_DEBUG_TRC_ENTRY_SIZE); |
858c9f6c JS |
1848 | size = PAGE_ALIGN(size); |
1849 | ||
1850 | debug->buffer = kmalloc(size, GFP_KERNEL); | |
1851 | if (!debug->buffer) { | |
1852 | kfree(debug); | |
1853 | goto out; | |
1854 | } | |
1855 | ||
1856 | debug->len = lpfc_debugfs_disc_trc_data(vport, debug->buffer, size); | |
1857 | file->private_data = debug; | |
1858 | ||
1859 | rc = 0; | |
1860 | out: | |
1861 | return rc; | |
1862 | } | |
1863 | ||
e59058c4 | 1864 | /** |
3621a710 | 1865 | * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log |
e59058c4 JS |
1866 | * @inode: The inode pointer that contains a vport pointer. |
1867 | * @file: The file pointer to attach the log output. | |
1868 | * | |
1869 | * Description: | |
1870 | * This routine is the entry point for the debugfs open file operation. It gets | |
1871 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
1872 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
1873 | * returns a pointer to that log in the private_data field in @file. | |
1874 | * | |
1875 | * Returns: | |
79ce48df | 1876 | * This function returns zero if successful. On error it will return a negative |
e59058c4 JS |
1877 | * error value. |
1878 | **/ | |
a58cbd52 JS |
1879 | static int |
1880 | lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file) | |
1881 | { | |
1882 | struct lpfc_hba *phba = inode->i_private; | |
1883 | struct lpfc_debug *debug; | |
1884 | int size; | |
1885 | int rc = -ENOMEM; | |
1886 | ||
1887 | if (!lpfc_debugfs_max_slow_ring_trc) { | |
258f84fa | 1888 | rc = -ENOSPC; |
a58cbd52 JS |
1889 | goto out; |
1890 | } | |
1891 | ||
1892 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1893 | if (!debug) | |
1894 | goto out; | |
1895 | ||
e59058c4 | 1896 | /* Round to page boundary */ |
a58cbd52 JS |
1897 | size = (lpfc_debugfs_max_slow_ring_trc * LPFC_DEBUG_TRC_ENTRY_SIZE); |
1898 | size = PAGE_ALIGN(size); | |
1899 | ||
1900 | debug->buffer = kmalloc(size, GFP_KERNEL); | |
1901 | if (!debug->buffer) { | |
1902 | kfree(debug); | |
1903 | goto out; | |
1904 | } | |
1905 | ||
1906 | debug->len = lpfc_debugfs_slow_ring_trc_data(phba, debug->buffer, size); | |
1907 | file->private_data = debug; | |
1908 | ||
1909 | rc = 0; | |
1910 | out: | |
1911 | return rc; | |
1912 | } | |
1913 | ||
e59058c4 | 1914 | /** |
3621a710 | 1915 | * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer |
e59058c4 JS |
1916 | * @inode: The inode pointer that contains a vport pointer. |
1917 | * @file: The file pointer to attach the log output. | |
1918 | * | |
1919 | * Description: | |
1920 | * This routine is the entry point for the debugfs open file operation. It gets | |
1921 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
1922 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
1923 | * returns a pointer to that log in the private_data field in @file. | |
1924 | * | |
1925 | * Returns: | |
79ce48df | 1926 | * This function returns zero if successful. On error it will return a negative |
e59058c4 JS |
1927 | * error value. |
1928 | **/ | |
78b2d852 JS |
1929 | static int |
1930 | lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file) | |
1931 | { | |
1932 | struct lpfc_hba *phba = inode->i_private; | |
1933 | struct lpfc_debug *debug; | |
1934 | int rc = -ENOMEM; | |
1935 | ||
1936 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1937 | if (!debug) | |
1938 | goto out; | |
1939 | ||
e59058c4 | 1940 | /* Round to page boundary */ |
78b2d852 JS |
1941 | debug->buffer = kmalloc(LPFC_HBQINFO_SIZE, GFP_KERNEL); |
1942 | if (!debug->buffer) { | |
1943 | kfree(debug); | |
1944 | goto out; | |
1945 | } | |
1946 | ||
1947 | debug->len = lpfc_debugfs_hbqinfo_data(phba, debug->buffer, | |
1948 | LPFC_HBQINFO_SIZE); | |
1949 | file->private_data = debug; | |
1950 | ||
1951 | rc = 0; | |
1952 | out: | |
1953 | return rc; | |
1954 | } | |
1955 | ||
c490850a JS |
1956 | /** |
1957 | * lpfc_debugfs_multixripools_open - Open the multixripool debugfs buffer | |
1958 | * @inode: The inode pointer that contains a hba pointer. | |
1959 | * @file: The file pointer to attach the log output. | |
1960 | * | |
1961 | * Description: | |
1962 | * This routine is the entry point for the debugfs open file operation. It gets | |
1963 | * the hba from the i_private field in @inode, allocates the necessary buffer | |
1964 | * for the log, fills the buffer from the in-memory log for this hba, and then | |
1965 | * returns a pointer to that log in the private_data field in @file. | |
1966 | * | |
1967 | * Returns: | |
1968 | * This function returns zero if successful. On error it will return a negative | |
1969 | * error value. | |
1970 | **/ | |
1971 | static int | |
1972 | lpfc_debugfs_multixripools_open(struct inode *inode, struct file *file) | |
1973 | { | |
1974 | struct lpfc_hba *phba = inode->i_private; | |
1975 | struct lpfc_debug *debug; | |
1976 | int rc = -ENOMEM; | |
1977 | ||
1978 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
1979 | if (!debug) | |
1980 | goto out; | |
1981 | ||
1982 | /* Round to page boundary */ | |
1983 | debug->buffer = kzalloc(LPFC_DUMP_MULTIXRIPOOL_SIZE, GFP_KERNEL); | |
1984 | if (!debug->buffer) { | |
1985 | kfree(debug); | |
1986 | goto out; | |
1987 | } | |
1988 | ||
6a828b0f JS |
1989 | debug->len = lpfc_debugfs_multixripools_data( |
1990 | phba, debug->buffer, LPFC_DUMP_MULTIXRIPOOL_SIZE); | |
c490850a JS |
1991 | |
1992 | debug->i_private = inode->i_private; | |
1993 | file->private_data = debug; | |
1994 | ||
1995 | rc = 0; | |
1996 | out: | |
1997 | return rc; | |
1998 | } | |
1999 | ||
6a828b0f | 2000 | #ifdef LPFC_HDWQ_LOCK_STAT |
5e5b511d | 2001 | /** |
6a828b0f | 2002 | * lpfc_debugfs_lockstat_open - Open the lockstat debugfs buffer |
5e5b511d JS |
2003 | * @inode: The inode pointer that contains a vport pointer. |
2004 | * @file: The file pointer to attach the log output. | |
2005 | * | |
2006 | * Description: | |
2007 | * This routine is the entry point for the debugfs open file operation. It gets | |
2008 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
2009 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
2010 | * returns a pointer to that log in the private_data field in @file. | |
2011 | * | |
2012 | * Returns: | |
2013 | * This function returns zero if successful. On error it will return a negative | |
2014 | * error value. | |
2015 | **/ | |
2016 | static int | |
6a828b0f | 2017 | lpfc_debugfs_lockstat_open(struct inode *inode, struct file *file) |
5e5b511d JS |
2018 | { |
2019 | struct lpfc_hba *phba = inode->i_private; | |
2020 | struct lpfc_debug *debug; | |
2021 | int rc = -ENOMEM; | |
2022 | ||
2023 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
2024 | if (!debug) | |
2025 | goto out; | |
2026 | ||
2027 | /* Round to page boundary */ | |
2028 | debug->buffer = kmalloc(LPFC_HDWQINFO_SIZE, GFP_KERNEL); | |
2029 | if (!debug->buffer) { | |
2030 | kfree(debug); | |
2031 | goto out; | |
2032 | } | |
2033 | ||
6a828b0f | 2034 | debug->len = lpfc_debugfs_lockstat_data(phba, debug->buffer, |
5e5b511d JS |
2035 | LPFC_HBQINFO_SIZE); |
2036 | file->private_data = debug; | |
2037 | ||
2038 | rc = 0; | |
2039 | out: | |
2040 | return rc; | |
2041 | } | |
2042 | ||
6a828b0f JS |
2043 | static ssize_t |
2044 | lpfc_debugfs_lockstat_write(struct file *file, const char __user *buf, | |
2045 | size_t nbytes, loff_t *ppos) | |
2046 | { | |
2047 | struct lpfc_debug *debug = file->private_data; | |
2048 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
2049 | struct lpfc_sli4_hdw_queue *qp; | |
2050 | char mybuf[64]; | |
2051 | char *pbuf; | |
2052 | int i; | |
2053 | ||
2054 | /* Protect copy from user */ | |
2055 | if (!access_ok(buf, nbytes)) | |
2056 | return -EFAULT; | |
2057 | ||
2058 | memset(mybuf, 0, sizeof(mybuf)); | |
2059 | ||
2060 | if (copy_from_user(mybuf, buf, nbytes)) | |
2061 | return -EFAULT; | |
2062 | pbuf = &mybuf[0]; | |
2063 | ||
2064 | if ((strncmp(pbuf, "reset", strlen("reset")) == 0) || | |
2065 | (strncmp(pbuf, "zero", strlen("zero")) == 0)) { | |
2066 | for (i = 0; i < phba->cfg_hdw_queue; i++) { | |
2067 | qp = &phba->sli4_hba.hdwq[i]; | |
2068 | qp->lock_conflict.alloc_xri_get = 0; | |
2069 | qp->lock_conflict.alloc_xri_put = 0; | |
2070 | qp->lock_conflict.free_xri = 0; | |
2071 | qp->lock_conflict.wq_access = 0; | |
2072 | qp->lock_conflict.alloc_pvt_pool = 0; | |
2073 | qp->lock_conflict.mv_from_pvt_pool = 0; | |
2074 | qp->lock_conflict.mv_to_pub_pool = 0; | |
2075 | qp->lock_conflict.mv_to_pvt_pool = 0; | |
2076 | qp->lock_conflict.free_pvt_pool = 0; | |
2077 | qp->lock_conflict.free_pub_pool = 0; | |
2078 | qp->lock_conflict.wq_access = 0; | |
2079 | } | |
2080 | } | |
2081 | return nbytes; | |
2082 | } | |
2083 | #endif | |
2084 | ||
e59058c4 | 2085 | /** |
3621a710 | 2086 | * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer |
e59058c4 JS |
2087 | * @inode: The inode pointer that contains a vport pointer. |
2088 | * @file: The file pointer to attach the log output. | |
2089 | * | |
2090 | * Description: | |
2091 | * This routine is the entry point for the debugfs open file operation. It gets | |
2092 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
2093 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
2094 | * returns a pointer to that log in the private_data field in @file. | |
2095 | * | |
2096 | * Returns: | |
79ce48df | 2097 | * This function returns zero if successful. On error it will return a negative |
e59058c4 JS |
2098 | * error value. |
2099 | **/ | |
a58cbd52 | 2100 | static int |
c95d6c6c | 2101 | lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file) |
a58cbd52 JS |
2102 | { |
2103 | struct lpfc_hba *phba = inode->i_private; | |
2104 | struct lpfc_debug *debug; | |
2105 | int rc = -ENOMEM; | |
2106 | ||
2107 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
2108 | if (!debug) | |
2109 | goto out; | |
2110 | ||
e59058c4 | 2111 | /* Round to page boundary */ |
c95d6c6c | 2112 | debug->buffer = kmalloc(LPFC_DUMPHBASLIM_SIZE, GFP_KERNEL); |
a58cbd52 JS |
2113 | if (!debug->buffer) { |
2114 | kfree(debug); | |
2115 | goto out; | |
2116 | } | |
2117 | ||
c95d6c6c JS |
2118 | debug->len = lpfc_debugfs_dumpHBASlim_data(phba, debug->buffer, |
2119 | LPFC_DUMPHBASLIM_SIZE); | |
2120 | file->private_data = debug; | |
2121 | ||
2122 | rc = 0; | |
2123 | out: | |
2124 | return rc; | |
2125 | } | |
2126 | ||
e59058c4 | 2127 | /** |
3621a710 | 2128 | * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer |
e59058c4 JS |
2129 | * @inode: The inode pointer that contains a vport pointer. |
2130 | * @file: The file pointer to attach the log output. | |
2131 | * | |
2132 | * Description: | |
2133 | * This routine is the entry point for the debugfs open file operation. It gets | |
2134 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
2135 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
2136 | * returns a pointer to that log in the private_data field in @file. | |
2137 | * | |
2138 | * Returns: | |
79ce48df | 2139 | * This function returns zero if successful. On error it will return a negative |
e59058c4 JS |
2140 | * error value. |
2141 | **/ | |
c95d6c6c JS |
2142 | static int |
2143 | lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file) | |
2144 | { | |
2145 | struct lpfc_hba *phba = inode->i_private; | |
2146 | struct lpfc_debug *debug; | |
2147 | int rc = -ENOMEM; | |
2148 | ||
2149 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
2150 | if (!debug) | |
2151 | goto out; | |
2152 | ||
e59058c4 | 2153 | /* Round to page boundary */ |
c95d6c6c JS |
2154 | debug->buffer = kmalloc(LPFC_DUMPHOSTSLIM_SIZE, GFP_KERNEL); |
2155 | if (!debug->buffer) { | |
2156 | kfree(debug); | |
2157 | goto out; | |
2158 | } | |
2159 | ||
2160 | debug->len = lpfc_debugfs_dumpHostSlim_data(phba, debug->buffer, | |
2161 | LPFC_DUMPHOSTSLIM_SIZE); | |
a58cbd52 JS |
2162 | file->private_data = debug; |
2163 | ||
2164 | rc = 0; | |
2165 | out: | |
2166 | return rc; | |
2167 | } | |
2168 | ||
e2a0a9d6 JS |
2169 | static int |
2170 | lpfc_debugfs_dumpData_open(struct inode *inode, struct file *file) | |
2171 | { | |
2172 | struct lpfc_debug *debug; | |
2173 | int rc = -ENOMEM; | |
2174 | ||
2175 | if (!_dump_buf_data) | |
2176 | return -EBUSY; | |
2177 | ||
2178 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
2179 | if (!debug) | |
2180 | goto out; | |
2181 | ||
25985edc | 2182 | /* Round to page boundary */ |
2ea259ee | 2183 | pr_err("9059 BLKGRD: %s: _dump_buf_data=0x%p\n", |
e2a0a9d6 JS |
2184 | __func__, _dump_buf_data); |
2185 | debug->buffer = _dump_buf_data; | |
2186 | if (!debug->buffer) { | |
2187 | kfree(debug); | |
2188 | goto out; | |
2189 | } | |
2190 | ||
2191 | debug->len = (1 << _dump_buf_data_order) << PAGE_SHIFT; | |
2192 | file->private_data = debug; | |
2193 | ||
2194 | rc = 0; | |
2195 | out: | |
2196 | return rc; | |
2197 | } | |
2198 | ||
2199 | static int | |
2200 | lpfc_debugfs_dumpDif_open(struct inode *inode, struct file *file) | |
2201 | { | |
2202 | struct lpfc_debug *debug; | |
2203 | int rc = -ENOMEM; | |
2204 | ||
2205 | if (!_dump_buf_dif) | |
2206 | return -EBUSY; | |
2207 | ||
2208 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
2209 | if (!debug) | |
2210 | goto out; | |
2211 | ||
25985edc | 2212 | /* Round to page boundary */ |
2ea259ee JS |
2213 | pr_err("9060 BLKGRD: %s: _dump_buf_dif=0x%p file=%pD\n", |
2214 | __func__, _dump_buf_dif, file); | |
e2a0a9d6 JS |
2215 | debug->buffer = _dump_buf_dif; |
2216 | if (!debug->buffer) { | |
2217 | kfree(debug); | |
2218 | goto out; | |
2219 | } | |
2220 | ||
2221 | debug->len = (1 << _dump_buf_dif_order) << PAGE_SHIFT; | |
2222 | file->private_data = debug; | |
2223 | ||
2224 | rc = 0; | |
2225 | out: | |
2226 | return rc; | |
2227 | } | |
2228 | ||
2229 | static ssize_t | |
2230 | lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf, | |
2231 | size_t nbytes, loff_t *ppos) | |
2232 | { | |
2233 | /* | |
2234 | * The Data/DIF buffers only save one failing IO | |
2235 | * The write op is used as a reset mechanism after an IO has | |
2236 | * already been saved to the next one can be saved | |
2237 | */ | |
2238 | spin_lock(&_dump_buf_lock); | |
2239 | ||
2240 | memset((void *)_dump_buf_data, 0, | |
2241 | ((1 << PAGE_SHIFT) << _dump_buf_data_order)); | |
2242 | memset((void *)_dump_buf_dif, 0, | |
2243 | ((1 << PAGE_SHIFT) << _dump_buf_dif_order)); | |
2244 | ||
2245 | _dump_buf_done = 0; | |
2246 | ||
2247 | spin_unlock(&_dump_buf_lock); | |
2248 | ||
2249 | return nbytes; | |
2250 | } | |
2251 | ||
f9bb2da1 JS |
2252 | static ssize_t |
2253 | lpfc_debugfs_dif_err_read(struct file *file, char __user *buf, | |
2254 | size_t nbytes, loff_t *ppos) | |
2255 | { | |
b583043e | 2256 | struct dentry *dent = file->f_path.dentry; |
f9bb2da1 | 2257 | struct lpfc_hba *phba = file->private_data; |
9a6b09c0 | 2258 | char cbuf[32]; |
4ac9b226 | 2259 | uint64_t tmp = 0; |
f9bb2da1 JS |
2260 | int cnt = 0; |
2261 | ||
2262 | if (dent == phba->debug_writeGuard) | |
e7f7b6f3 | 2263 | cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wgrd_cnt); |
f9bb2da1 | 2264 | else if (dent == phba->debug_writeApp) |
e7f7b6f3 | 2265 | cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wapp_cnt); |
f9bb2da1 | 2266 | else if (dent == phba->debug_writeRef) |
e7f7b6f3 | 2267 | cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wref_cnt); |
acd6859b | 2268 | else if (dent == phba->debug_readGuard) |
e7f7b6f3 | 2269 | cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rgrd_cnt); |
f9bb2da1 | 2270 | else if (dent == phba->debug_readApp) |
e7f7b6f3 | 2271 | cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rapp_cnt); |
f9bb2da1 | 2272 | else if (dent == phba->debug_readRef) |
e7f7b6f3 | 2273 | cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rref_cnt); |
4ac9b226 | 2274 | else if (dent == phba->debug_InjErrNPortID) |
e7f7b6f3 SC |
2275 | cnt = scnprintf(cbuf, 32, "0x%06x\n", |
2276 | phba->lpfc_injerr_nportid); | |
4ac9b226 JS |
2277 | else if (dent == phba->debug_InjErrWWPN) { |
2278 | memcpy(&tmp, &phba->lpfc_injerr_wwpn, sizeof(struct lpfc_name)); | |
2279 | tmp = cpu_to_be64(tmp); | |
e7f7b6f3 | 2280 | cnt = scnprintf(cbuf, 32, "0x%016llx\n", tmp); |
4ac9b226 JS |
2281 | } else if (dent == phba->debug_InjErrLBA) { |
2282 | if (phba->lpfc_injerr_lba == (sector_t)(-1)) | |
e7f7b6f3 | 2283 | cnt = scnprintf(cbuf, 32, "off\n"); |
9a6b09c0 | 2284 | else |
e7f7b6f3 | 2285 | cnt = scnprintf(cbuf, 32, "0x%llx\n", |
4ac9b226 | 2286 | (uint64_t) phba->lpfc_injerr_lba); |
9a6b09c0 | 2287 | } else |
f9bb2da1 JS |
2288 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
2289 | "0547 Unknown debugfs error injection entry\n"); | |
2290 | ||
2291 | return simple_read_from_buffer(buf, nbytes, ppos, &cbuf, cnt); | |
2292 | } | |
2293 | ||
2294 | static ssize_t | |
2295 | lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf, | |
2296 | size_t nbytes, loff_t *ppos) | |
2297 | { | |
b583043e | 2298 | struct dentry *dent = file->f_path.dentry; |
f9bb2da1 | 2299 | struct lpfc_hba *phba = file->private_data; |
0872774d | 2300 | char dstbuf[33]; |
4ac9b226 | 2301 | uint64_t tmp = 0; |
f9bb2da1 JS |
2302 | int size; |
2303 | ||
0872774d | 2304 | memset(dstbuf, 0, 33); |
f9bb2da1 JS |
2305 | size = (nbytes < 32) ? nbytes : 32; |
2306 | if (copy_from_user(dstbuf, buf, size)) | |
2307 | return 0; | |
2308 | ||
9a6b09c0 JS |
2309 | if (dent == phba->debug_InjErrLBA) { |
2310 | if ((buf[0] == 'o') && (buf[1] == 'f') && (buf[2] == 'f')) | |
4ac9b226 | 2311 | tmp = (uint64_t)(-1); |
9a6b09c0 JS |
2312 | } |
2313 | ||
4ac9b226 | 2314 | if ((tmp == 0) && (kstrtoull(dstbuf, 0, &tmp))) |
f9bb2da1 JS |
2315 | return 0; |
2316 | ||
2317 | if (dent == phba->debug_writeGuard) | |
2318 | phba->lpfc_injerr_wgrd_cnt = (uint32_t)tmp; | |
2319 | else if (dent == phba->debug_writeApp) | |
2320 | phba->lpfc_injerr_wapp_cnt = (uint32_t)tmp; | |
2321 | else if (dent == phba->debug_writeRef) | |
2322 | phba->lpfc_injerr_wref_cnt = (uint32_t)tmp; | |
acd6859b JS |
2323 | else if (dent == phba->debug_readGuard) |
2324 | phba->lpfc_injerr_rgrd_cnt = (uint32_t)tmp; | |
f9bb2da1 JS |
2325 | else if (dent == phba->debug_readApp) |
2326 | phba->lpfc_injerr_rapp_cnt = (uint32_t)tmp; | |
2327 | else if (dent == phba->debug_readRef) | |
2328 | phba->lpfc_injerr_rref_cnt = (uint32_t)tmp; | |
2329 | else if (dent == phba->debug_InjErrLBA) | |
2330 | phba->lpfc_injerr_lba = (sector_t)tmp; | |
4ac9b226 JS |
2331 | else if (dent == phba->debug_InjErrNPortID) |
2332 | phba->lpfc_injerr_nportid = (uint32_t)(tmp & Mask_DID); | |
2333 | else if (dent == phba->debug_InjErrWWPN) { | |
2334 | tmp = cpu_to_be64(tmp); | |
2335 | memcpy(&phba->lpfc_injerr_wwpn, &tmp, sizeof(struct lpfc_name)); | |
2336 | } else | |
f9bb2da1 JS |
2337 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
2338 | "0548 Unknown debugfs error injection entry\n"); | |
2339 | ||
2340 | return nbytes; | |
2341 | } | |
2342 | ||
2343 | static int | |
2344 | lpfc_debugfs_dif_err_release(struct inode *inode, struct file *file) | |
2345 | { | |
2346 | return 0; | |
2347 | } | |
2348 | ||
e59058c4 | 2349 | /** |
3621a710 | 2350 | * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file |
e59058c4 JS |
2351 | * @inode: The inode pointer that contains a vport pointer. |
2352 | * @file: The file pointer to attach the log output. | |
2353 | * | |
2354 | * Description: | |
2355 | * This routine is the entry point for the debugfs open file operation. It gets | |
2356 | * the vport from the i_private field in @inode, allocates the necessary buffer | |
2357 | * for the log, fills the buffer from the in-memory log for this vport, and then | |
2358 | * returns a pointer to that log in the private_data field in @file. | |
2359 | * | |
2360 | * Returns: | |
79ce48df | 2361 | * This function returns zero if successful. On error it will return a negative |
e59058c4 JS |
2362 | * error value. |
2363 | **/ | |
858c9f6c JS |
2364 | static int |
2365 | lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file) | |
2366 | { | |
2367 | struct lpfc_vport *vport = inode->i_private; | |
2368 | struct lpfc_debug *debug; | |
2369 | int rc = -ENOMEM; | |
2370 | ||
2371 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
2372 | if (!debug) | |
2373 | goto out; | |
2374 | ||
e59058c4 | 2375 | /* Round to page boundary */ |
858c9f6c JS |
2376 | debug->buffer = kmalloc(LPFC_NODELIST_SIZE, GFP_KERNEL); |
2377 | if (!debug->buffer) { | |
2378 | kfree(debug); | |
2379 | goto out; | |
2380 | } | |
2381 | ||
2382 | debug->len = lpfc_debugfs_nodelist_data(vport, debug->buffer, | |
2383 | LPFC_NODELIST_SIZE); | |
2384 | file->private_data = debug; | |
2385 | ||
2386 | rc = 0; | |
2387 | out: | |
2388 | return rc; | |
2389 | } | |
2390 | ||
e59058c4 | 2391 | /** |
3621a710 | 2392 | * lpfc_debugfs_lseek - Seek through a debugfs file |
e59058c4 JS |
2393 | * @file: The file pointer to seek through. |
2394 | * @off: The offset to seek to or the amount to seek by. | |
2395 | * @whence: Indicates how to seek. | |
2396 | * | |
2397 | * Description: | |
2398 | * This routine is the entry point for the debugfs lseek file operation. The | |
2399 | * @whence parameter indicates whether @off is the offset to directly seek to, | |
2400 | * or if it is a value to seek forward or reverse by. This function figures out | |
2401 | * what the new offset of the debugfs file will be and assigns that value to the | |
2402 | * f_pos field of @file. | |
2403 | * | |
2404 | * Returns: | |
2405 | * This function returns the new offset if successful and returns a negative | |
2406 | * error if unable to process the seek. | |
2407 | **/ | |
858c9f6c JS |
2408 | static loff_t |
2409 | lpfc_debugfs_lseek(struct file *file, loff_t off, int whence) | |
2410 | { | |
7233c774 AV |
2411 | struct lpfc_debug *debug = file->private_data; |
2412 | return fixed_size_llseek(file, off, whence, debug->len); | |
858c9f6c JS |
2413 | } |
2414 | ||
e59058c4 | 2415 | /** |
3621a710 | 2416 | * lpfc_debugfs_read - Read a debugfs file |
e59058c4 JS |
2417 | * @file: The file pointer to read from. |
2418 | * @buf: The buffer to copy the data to. | |
2419 | * @nbytes: The number of bytes to read. | |
2420 | * @ppos: The position in the file to start reading from. | |
2421 | * | |
2422 | * Description: | |
2423 | * This routine reads data from from the buffer indicated in the private_data | |
2424 | * field of @file. It will start reading at @ppos and copy up to @nbytes of | |
2425 | * data to @buf. | |
2426 | * | |
2427 | * Returns: | |
2428 | * This function returns the amount of data that was read (this could be less | |
2429 | * than @nbytes if the end of the file was reached) or a negative error value. | |
2430 | **/ | |
858c9f6c JS |
2431 | static ssize_t |
2432 | lpfc_debugfs_read(struct file *file, char __user *buf, | |
2433 | size_t nbytes, loff_t *ppos) | |
2434 | { | |
2435 | struct lpfc_debug *debug = file->private_data; | |
2a622bfb | 2436 | |
858c9f6c JS |
2437 | return simple_read_from_buffer(buf, nbytes, ppos, debug->buffer, |
2438 | debug->len); | |
2439 | } | |
2440 | ||
e59058c4 | 2441 | /** |
3621a710 | 2442 | * lpfc_debugfs_release - Release the buffer used to store debugfs file data |
e59058c4 JS |
2443 | * @inode: The inode pointer that contains a vport pointer. (unused) |
2444 | * @file: The file pointer that contains the buffer to release. | |
2445 | * | |
2446 | * Description: | |
2447 | * This routine frees the buffer that was allocated when the debugfs file was | |
2448 | * opened. | |
2449 | * | |
2450 | * Returns: | |
2451 | * This function returns zero. | |
2452 | **/ | |
858c9f6c JS |
2453 | static int |
2454 | lpfc_debugfs_release(struct inode *inode, struct file *file) | |
2455 | { | |
2456 | struct lpfc_debug *debug = file->private_data; | |
2457 | ||
2458 | kfree(debug->buffer); | |
2459 | kfree(debug); | |
2460 | ||
2461 | return 0; | |
2462 | } | |
2463 | ||
e2a0a9d6 JS |
2464 | static int |
2465 | lpfc_debugfs_dumpDataDif_release(struct inode *inode, struct file *file) | |
2466 | { | |
2467 | struct lpfc_debug *debug = file->private_data; | |
2468 | ||
2469 | debug->buffer = NULL; | |
2470 | kfree(debug); | |
2471 | ||
2472 | return 0; | |
2473 | } | |
2474 | ||
c490850a JS |
2475 | /** |
2476 | * lpfc_debugfs_multixripools_write - Clear multi-XRI pools statistics | |
2477 | * @file: The file pointer to read from. | |
2478 | * @buf: The buffer to copy the user data from. | |
2479 | * @nbytes: The number of bytes to get. | |
2480 | * @ppos: The position in the file to start reading from. | |
2481 | * | |
2482 | * Description: | |
2483 | * This routine clears multi-XRI pools statistics when buf contains "clear". | |
2484 | * | |
2485 | * Return Value: | |
2486 | * It returns the @nbytges passing in from debugfs user space when successful. | |
2487 | * In case of error conditions, it returns proper error code back to the user | |
2488 | * space. | |
2489 | **/ | |
2490 | static ssize_t | |
2491 | lpfc_debugfs_multixripools_write(struct file *file, const char __user *buf, | |
2492 | size_t nbytes, loff_t *ppos) | |
2493 | { | |
2494 | struct lpfc_debug *debug = file->private_data; | |
2495 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
2496 | char mybuf[64]; | |
2497 | char *pbuf; | |
2498 | u32 i; | |
2499 | u32 hwq_count; | |
2500 | struct lpfc_sli4_hdw_queue *qp; | |
2501 | struct lpfc_multixri_pool *multixri_pool; | |
2502 | ||
2503 | if (nbytes > 64) | |
2504 | nbytes = 64; | |
2505 | ||
2506 | /* Protect copy from user */ | |
2507 | if (!access_ok(buf, nbytes)) | |
2508 | return -EFAULT; | |
2509 | ||
2510 | memset(mybuf, 0, sizeof(mybuf)); | |
2511 | ||
2512 | if (copy_from_user(mybuf, buf, nbytes)) | |
2513 | return -EFAULT; | |
2514 | pbuf = &mybuf[0]; | |
2515 | ||
2516 | if ((strncmp(pbuf, "clear", strlen("clear"))) == 0) { | |
2517 | hwq_count = phba->cfg_hdw_queue; | |
2518 | for (i = 0; i < hwq_count; i++) { | |
2519 | qp = &phba->sli4_hba.hdwq[i]; | |
2520 | multixri_pool = qp->p_multixri_pool; | |
2521 | if (!multixri_pool) | |
2522 | continue; | |
2523 | ||
2524 | qp->empty_io_bufs = 0; | |
2525 | multixri_pool->pbl_empty_count = 0; | |
2526 | #ifdef LPFC_MXP_STAT | |
2527 | multixri_pool->above_limit_count = 0; | |
2528 | multixri_pool->below_limit_count = 0; | |
2529 | multixri_pool->stat_max_hwm = 0; | |
2530 | multixri_pool->local_pbl_hit_count = 0; | |
2531 | multixri_pool->other_pbl_hit_count = 0; | |
2532 | ||
2533 | multixri_pool->stat_pbl_count = 0; | |
2534 | multixri_pool->stat_pvt_count = 0; | |
2535 | multixri_pool->stat_busy_count = 0; | |
2536 | multixri_pool->stat_snapshot_taken = 0; | |
2537 | #endif | |
2538 | } | |
2539 | return strlen(pbuf); | |
2540 | } | |
2541 | ||
2542 | return -EINVAL; | |
2543 | } | |
bd2cdd5e JS |
2544 | |
2545 | static int | |
2546 | lpfc_debugfs_nvmestat_open(struct inode *inode, struct file *file) | |
2547 | { | |
2548 | struct lpfc_vport *vport = inode->i_private; | |
2549 | struct lpfc_debug *debug; | |
2550 | int rc = -ENOMEM; | |
2551 | ||
2552 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
2553 | if (!debug) | |
2554 | goto out; | |
2555 | ||
2556 | /* Round to page boundary */ | |
2557 | debug->buffer = kmalloc(LPFC_NVMESTAT_SIZE, GFP_KERNEL); | |
2558 | if (!debug->buffer) { | |
2559 | kfree(debug); | |
2560 | goto out; | |
2561 | } | |
2562 | ||
2563 | debug->len = lpfc_debugfs_nvmestat_data(vport, debug->buffer, | |
2564 | LPFC_NVMESTAT_SIZE); | |
2565 | ||
2566 | debug->i_private = inode->i_private; | |
2567 | file->private_data = debug; | |
2568 | ||
2569 | rc = 0; | |
2570 | out: | |
2571 | return rc; | |
2572 | } | |
2573 | ||
2b65e182 JS |
2574 | static ssize_t |
2575 | lpfc_debugfs_nvmestat_write(struct file *file, const char __user *buf, | |
2576 | size_t nbytes, loff_t *ppos) | |
2577 | { | |
2578 | struct lpfc_debug *debug = file->private_data; | |
2579 | struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private; | |
2580 | struct lpfc_hba *phba = vport->phba; | |
2581 | struct lpfc_nvmet_tgtport *tgtp; | |
2582 | char mybuf[64]; | |
2583 | char *pbuf; | |
2584 | ||
2585 | if (!phba->targetport) | |
2586 | return -ENXIO; | |
2587 | ||
2588 | if (nbytes > 64) | |
2589 | nbytes = 64; | |
2590 | ||
2b65e182 JS |
2591 | memset(mybuf, 0, sizeof(mybuf)); |
2592 | ||
2593 | if (copy_from_user(mybuf, buf, nbytes)) | |
2594 | return -EFAULT; | |
2595 | pbuf = &mybuf[0]; | |
2596 | ||
2597 | tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; | |
2598 | if ((strncmp(pbuf, "reset", strlen("reset")) == 0) || | |
2599 | (strncmp(pbuf, "zero", strlen("zero")) == 0)) { | |
2600 | atomic_set(&tgtp->rcv_ls_req_in, 0); | |
2601 | atomic_set(&tgtp->rcv_ls_req_out, 0); | |
2602 | atomic_set(&tgtp->rcv_ls_req_drop, 0); | |
2603 | atomic_set(&tgtp->xmt_ls_abort, 0); | |
547077a4 | 2604 | atomic_set(&tgtp->xmt_ls_abort_cmpl, 0); |
2b65e182 JS |
2605 | atomic_set(&tgtp->xmt_ls_rsp, 0); |
2606 | atomic_set(&tgtp->xmt_ls_drop, 0); | |
2607 | atomic_set(&tgtp->xmt_ls_rsp_error, 0); | |
2608 | atomic_set(&tgtp->xmt_ls_rsp_cmpl, 0); | |
2609 | ||
2610 | atomic_set(&tgtp->rcv_fcp_cmd_in, 0); | |
2611 | atomic_set(&tgtp->rcv_fcp_cmd_out, 0); | |
2612 | atomic_set(&tgtp->rcv_fcp_cmd_drop, 0); | |
2b65e182 JS |
2613 | atomic_set(&tgtp->xmt_fcp_drop, 0); |
2614 | atomic_set(&tgtp->xmt_fcp_read_rsp, 0); | |
2615 | atomic_set(&tgtp->xmt_fcp_read, 0); | |
2616 | atomic_set(&tgtp->xmt_fcp_write, 0); | |
2617 | atomic_set(&tgtp->xmt_fcp_rsp, 0); | |
547077a4 | 2618 | atomic_set(&tgtp->xmt_fcp_release, 0); |
2b65e182 JS |
2619 | atomic_set(&tgtp->xmt_fcp_rsp_cmpl, 0); |
2620 | atomic_set(&tgtp->xmt_fcp_rsp_error, 0); | |
2621 | atomic_set(&tgtp->xmt_fcp_rsp_drop, 0); | |
2622 | ||
547077a4 JS |
2623 | atomic_set(&tgtp->xmt_fcp_abort, 0); |
2624 | atomic_set(&tgtp->xmt_fcp_abort_cmpl, 0); | |
2625 | atomic_set(&tgtp->xmt_abort_sol, 0); | |
2626 | atomic_set(&tgtp->xmt_abort_unsol, 0); | |
2b65e182 JS |
2627 | atomic_set(&tgtp->xmt_abort_rsp, 0); |
2628 | atomic_set(&tgtp->xmt_abort_rsp_error, 0); | |
2b65e182 JS |
2629 | } |
2630 | return nbytes; | |
2631 | } | |
2632 | ||
4c47efc1 JS |
2633 | static int |
2634 | lpfc_debugfs_scsistat_open(struct inode *inode, struct file *file) | |
2635 | { | |
2636 | struct lpfc_vport *vport = inode->i_private; | |
2637 | struct lpfc_debug *debug; | |
2638 | int rc = -ENOMEM; | |
2639 | ||
2640 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
2641 | if (!debug) | |
2642 | goto out; | |
2643 | ||
2644 | /* Round to page boundary */ | |
2645 | debug->buffer = kzalloc(LPFC_SCSISTAT_SIZE, GFP_KERNEL); | |
2646 | if (!debug->buffer) { | |
2647 | kfree(debug); | |
2648 | goto out; | |
2649 | } | |
2650 | ||
2651 | debug->len = lpfc_debugfs_scsistat_data(vport, debug->buffer, | |
2652 | LPFC_SCSISTAT_SIZE); | |
2653 | ||
2654 | debug->i_private = inode->i_private; | |
2655 | file->private_data = debug; | |
2656 | ||
2657 | rc = 0; | |
2658 | out: | |
2659 | return rc; | |
2660 | } | |
2661 | ||
2662 | static ssize_t | |
2663 | lpfc_debugfs_scsistat_write(struct file *file, const char __user *buf, | |
2664 | size_t nbytes, loff_t *ppos) | |
2665 | { | |
2666 | struct lpfc_debug *debug = file->private_data; | |
2667 | struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private; | |
2668 | struct lpfc_hba *phba = vport->phba; | |
2669 | char mybuf[6] = {0}; | |
2670 | int i; | |
2671 | ||
2672 | /* Protect copy from user */ | |
2673 | if (!access_ok(buf, nbytes)) | |
2674 | return -EFAULT; | |
2675 | ||
2676 | if (copy_from_user(mybuf, buf, (nbytes >= sizeof(mybuf)) ? | |
2677 | (sizeof(mybuf) - 1) : nbytes)) | |
2678 | return -EFAULT; | |
2679 | ||
2680 | if ((strncmp(&mybuf[0], "reset", strlen("reset")) == 0) || | |
2681 | (strncmp(&mybuf[0], "zero", strlen("zero")) == 0)) { | |
2682 | for (i = 0; i < phba->cfg_hdw_queue; i++) { | |
2683 | memset(&phba->sli4_hba.hdwq[i].scsi_cstat, 0, | |
2684 | sizeof(phba->sli4_hba.hdwq[i].scsi_cstat)); | |
2685 | } | |
2686 | } | |
2687 | ||
2688 | return nbytes; | |
2689 | } | |
2690 | ||
bd2cdd5e JS |
2691 | static int |
2692 | lpfc_debugfs_nvmektime_open(struct inode *inode, struct file *file) | |
2693 | { | |
2694 | struct lpfc_vport *vport = inode->i_private; | |
2695 | struct lpfc_debug *debug; | |
2696 | int rc = -ENOMEM; | |
2697 | ||
2698 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
2699 | if (!debug) | |
2700 | goto out; | |
2701 | ||
2702 | /* Round to page boundary */ | |
2703 | debug->buffer = kmalloc(LPFC_NVMEKTIME_SIZE, GFP_KERNEL); | |
2704 | if (!debug->buffer) { | |
2705 | kfree(debug); | |
2706 | goto out; | |
2707 | } | |
2708 | ||
2709 | debug->len = lpfc_debugfs_nvmektime_data(vport, debug->buffer, | |
2710 | LPFC_NVMEKTIME_SIZE); | |
2711 | ||
2712 | debug->i_private = inode->i_private; | |
2713 | file->private_data = debug; | |
2714 | ||
2715 | rc = 0; | |
2716 | out: | |
2717 | return rc; | |
2718 | } | |
2719 | ||
2720 | static ssize_t | |
2721 | lpfc_debugfs_nvmektime_write(struct file *file, const char __user *buf, | |
2722 | size_t nbytes, loff_t *ppos) | |
2723 | { | |
2724 | struct lpfc_debug *debug = file->private_data; | |
2725 | struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private; | |
2726 | struct lpfc_hba *phba = vport->phba; | |
2727 | char mybuf[64]; | |
2728 | char *pbuf; | |
2729 | ||
2730 | if (nbytes > 64) | |
2731 | nbytes = 64; | |
2732 | ||
bd2cdd5e JS |
2733 | memset(mybuf, 0, sizeof(mybuf)); |
2734 | ||
2735 | if (copy_from_user(mybuf, buf, nbytes)) | |
2736 | return -EFAULT; | |
2737 | pbuf = &mybuf[0]; | |
2738 | ||
2739 | if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) { | |
2740 | phba->ktime_data_samples = 0; | |
2741 | phba->ktime_status_samples = 0; | |
2742 | phba->ktime_seg1_total = 0; | |
2743 | phba->ktime_seg1_max = 0; | |
2744 | phba->ktime_seg1_min = 0xffffffff; | |
2745 | phba->ktime_seg2_total = 0; | |
2746 | phba->ktime_seg2_max = 0; | |
2747 | phba->ktime_seg2_min = 0xffffffff; | |
2748 | phba->ktime_seg3_total = 0; | |
2749 | phba->ktime_seg3_max = 0; | |
2750 | phba->ktime_seg3_min = 0xffffffff; | |
2751 | phba->ktime_seg4_total = 0; | |
2752 | phba->ktime_seg4_max = 0; | |
2753 | phba->ktime_seg4_min = 0xffffffff; | |
2754 | phba->ktime_seg5_total = 0; | |
2755 | phba->ktime_seg5_max = 0; | |
2756 | phba->ktime_seg5_min = 0xffffffff; | |
2757 | phba->ktime_seg6_total = 0; | |
2758 | phba->ktime_seg6_max = 0; | |
2759 | phba->ktime_seg6_min = 0xffffffff; | |
2760 | phba->ktime_seg7_total = 0; | |
2761 | phba->ktime_seg7_max = 0; | |
2762 | phba->ktime_seg7_min = 0xffffffff; | |
2763 | phba->ktime_seg8_total = 0; | |
2764 | phba->ktime_seg8_max = 0; | |
2765 | phba->ktime_seg8_min = 0xffffffff; | |
2766 | phba->ktime_seg9_total = 0; | |
2767 | phba->ktime_seg9_max = 0; | |
2768 | phba->ktime_seg9_min = 0xffffffff; | |
2769 | phba->ktime_seg10_total = 0; | |
2770 | phba->ktime_seg10_max = 0; | |
2771 | phba->ktime_seg10_min = 0xffffffff; | |
2772 | ||
2773 | phba->ktime_on = 1; | |
2774 | return strlen(pbuf); | |
2775 | } else if ((strncmp(pbuf, "off", | |
2776 | sizeof("off") - 1) == 0)) { | |
2777 | phba->ktime_on = 0; | |
2778 | return strlen(pbuf); | |
2779 | } else if ((strncmp(pbuf, "zero", | |
2780 | sizeof("zero") - 1) == 0)) { | |
2781 | phba->ktime_data_samples = 0; | |
2782 | phba->ktime_status_samples = 0; | |
2783 | phba->ktime_seg1_total = 0; | |
2784 | phba->ktime_seg1_max = 0; | |
2785 | phba->ktime_seg1_min = 0xffffffff; | |
2786 | phba->ktime_seg2_total = 0; | |
2787 | phba->ktime_seg2_max = 0; | |
2788 | phba->ktime_seg2_min = 0xffffffff; | |
2789 | phba->ktime_seg3_total = 0; | |
2790 | phba->ktime_seg3_max = 0; | |
2791 | phba->ktime_seg3_min = 0xffffffff; | |
2792 | phba->ktime_seg4_total = 0; | |
2793 | phba->ktime_seg4_max = 0; | |
2794 | phba->ktime_seg4_min = 0xffffffff; | |
2795 | phba->ktime_seg5_total = 0; | |
2796 | phba->ktime_seg5_max = 0; | |
2797 | phba->ktime_seg5_min = 0xffffffff; | |
2798 | phba->ktime_seg6_total = 0; | |
2799 | phba->ktime_seg6_max = 0; | |
2800 | phba->ktime_seg6_min = 0xffffffff; | |
2801 | phba->ktime_seg7_total = 0; | |
2802 | phba->ktime_seg7_max = 0; | |
2803 | phba->ktime_seg7_min = 0xffffffff; | |
2804 | phba->ktime_seg8_total = 0; | |
2805 | phba->ktime_seg8_max = 0; | |
2806 | phba->ktime_seg8_min = 0xffffffff; | |
2807 | phba->ktime_seg9_total = 0; | |
2808 | phba->ktime_seg9_max = 0; | |
2809 | phba->ktime_seg9_min = 0xffffffff; | |
2810 | phba->ktime_seg10_total = 0; | |
2811 | phba->ktime_seg10_max = 0; | |
2812 | phba->ktime_seg10_min = 0xffffffff; | |
2813 | return strlen(pbuf); | |
2814 | } | |
2815 | return -EINVAL; | |
2816 | } | |
2817 | ||
2818 | static int | |
2819 | lpfc_debugfs_nvmeio_trc_open(struct inode *inode, struct file *file) | |
2820 | { | |
2821 | struct lpfc_hba *phba = inode->i_private; | |
2822 | struct lpfc_debug *debug; | |
2823 | int rc = -ENOMEM; | |
2824 | ||
2825 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
2826 | if (!debug) | |
2827 | goto out; | |
2828 | ||
2829 | /* Round to page boundary */ | |
2830 | debug->buffer = kmalloc(LPFC_NVMEIO_TRC_SIZE, GFP_KERNEL); | |
2831 | if (!debug->buffer) { | |
2832 | kfree(debug); | |
2833 | goto out; | |
2834 | } | |
2835 | ||
2836 | debug->len = lpfc_debugfs_nvmeio_trc_data(phba, debug->buffer, | |
2837 | LPFC_NVMEIO_TRC_SIZE); | |
2838 | ||
2839 | debug->i_private = inode->i_private; | |
2840 | file->private_data = debug; | |
2841 | ||
2842 | rc = 0; | |
2843 | out: | |
2844 | return rc; | |
2845 | } | |
2846 | ||
2847 | static ssize_t | |
2848 | lpfc_debugfs_nvmeio_trc_write(struct file *file, const char __user *buf, | |
2849 | size_t nbytes, loff_t *ppos) | |
2850 | { | |
2851 | struct lpfc_debug *debug = file->private_data; | |
2852 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
2853 | int i; | |
2854 | unsigned long sz; | |
2855 | char mybuf[64]; | |
2856 | char *pbuf; | |
2857 | ||
2858 | if (nbytes > 64) | |
2859 | nbytes = 64; | |
2860 | ||
bd2cdd5e JS |
2861 | memset(mybuf, 0, sizeof(mybuf)); |
2862 | ||
2863 | if (copy_from_user(mybuf, buf, nbytes)) | |
2864 | return -EFAULT; | |
2865 | pbuf = &mybuf[0]; | |
2866 | ||
2867 | if ((strncmp(pbuf, "off", sizeof("off") - 1) == 0)) { | |
2868 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2869 | "0570 nvmeio_trc_off\n"); | |
2870 | phba->nvmeio_trc_output_idx = 0; | |
2871 | phba->nvmeio_trc_on = 0; | |
2872 | return strlen(pbuf); | |
2873 | } else if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) { | |
2874 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2875 | "0571 nvmeio_trc_on\n"); | |
2876 | phba->nvmeio_trc_output_idx = 0; | |
2877 | phba->nvmeio_trc_on = 1; | |
2878 | return strlen(pbuf); | |
2879 | } | |
2880 | ||
2881 | /* We must be off to allocate the trace buffer */ | |
2882 | if (phba->nvmeio_trc_on != 0) | |
2883 | return -EINVAL; | |
2884 | ||
2885 | /* If not on or off, the parameter is the trace buffer size */ | |
2886 | i = kstrtoul(pbuf, 0, &sz); | |
2887 | if (i) | |
2888 | return -EINVAL; | |
2889 | phba->nvmeio_trc_size = (uint32_t)sz; | |
2890 | ||
2891 | /* It must be a power of 2 - round down */ | |
2892 | i = 0; | |
2893 | while (sz > 1) { | |
2894 | sz = sz >> 1; | |
2895 | i++; | |
2896 | } | |
2897 | sz = (1 << i); | |
2898 | if (phba->nvmeio_trc_size != sz) | |
2899 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2900 | "0572 nvmeio_trc_size changed to %ld\n", | |
2901 | sz); | |
2902 | phba->nvmeio_trc_size = (uint32_t)sz; | |
2903 | ||
2904 | /* If one previously exists, free it */ | |
2905 | kfree(phba->nvmeio_trc); | |
2906 | ||
2907 | /* Allocate new trace buffer and initialize */ | |
1c356ec5 | 2908 | phba->nvmeio_trc = kzalloc((sizeof(struct lpfc_debugfs_nvmeio_trc) * |
bd2cdd5e JS |
2909 | sz), GFP_KERNEL); |
2910 | if (!phba->nvmeio_trc) { | |
2911 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2912 | "0573 Cannot create debugfs " | |
2913 | "nvmeio_trc buffer\n"); | |
2914 | return -ENOMEM; | |
2915 | } | |
bd2cdd5e JS |
2916 | atomic_set(&phba->nvmeio_trc_cnt, 0); |
2917 | phba->nvmeio_trc_on = 0; | |
2918 | phba->nvmeio_trc_output_idx = 0; | |
2919 | ||
2920 | return strlen(pbuf); | |
2921 | } | |
2922 | ||
2923 | static int | |
2924 | lpfc_debugfs_cpucheck_open(struct inode *inode, struct file *file) | |
2925 | { | |
2926 | struct lpfc_vport *vport = inode->i_private; | |
2927 | struct lpfc_debug *debug; | |
2928 | int rc = -ENOMEM; | |
2929 | ||
2930 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
2931 | if (!debug) | |
2932 | goto out; | |
2933 | ||
2934 | /* Round to page boundary */ | |
2935 | debug->buffer = kmalloc(LPFC_CPUCHECK_SIZE, GFP_KERNEL); | |
2936 | if (!debug->buffer) { | |
2937 | kfree(debug); | |
2938 | goto out; | |
2939 | } | |
2940 | ||
2941 | debug->len = lpfc_debugfs_cpucheck_data(vport, debug->buffer, | |
6a828b0f | 2942 | LPFC_CPUCHECK_SIZE); |
bd2cdd5e JS |
2943 | |
2944 | debug->i_private = inode->i_private; | |
2945 | file->private_data = debug; | |
2946 | ||
2947 | rc = 0; | |
2948 | out: | |
2949 | return rc; | |
2950 | } | |
2951 | ||
2952 | static ssize_t | |
2953 | lpfc_debugfs_cpucheck_write(struct file *file, const char __user *buf, | |
2954 | size_t nbytes, loff_t *ppos) | |
2955 | { | |
2956 | struct lpfc_debug *debug = file->private_data; | |
2957 | struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private; | |
2958 | struct lpfc_hba *phba = vport->phba; | |
63df6d63 | 2959 | struct lpfc_sli4_hdw_queue *qp; |
bd2cdd5e JS |
2960 | char mybuf[64]; |
2961 | char *pbuf; | |
63df6d63 | 2962 | int i, j; |
bd2cdd5e JS |
2963 | |
2964 | if (nbytes > 64) | |
2965 | nbytes = 64; | |
2966 | ||
bd2cdd5e JS |
2967 | memset(mybuf, 0, sizeof(mybuf)); |
2968 | ||
2969 | if (copy_from_user(mybuf, buf, nbytes)) | |
2970 | return -EFAULT; | |
2971 | pbuf = &mybuf[0]; | |
2972 | ||
2973 | if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) { | |
6a828b0f JS |
2974 | if (phba->nvmet_support) |
2975 | phba->cpucheck_on |= LPFC_CHECK_NVMET_IO; | |
2976 | else | |
2977 | phba->cpucheck_on |= (LPFC_CHECK_NVME_IO | | |
2978 | LPFC_CHECK_SCSI_IO); | |
2979 | return strlen(pbuf); | |
2980 | } else if ((strncmp(pbuf, "nvme_on", sizeof("nvme_on") - 1) == 0)) { | |
2b65e182 JS |
2981 | if (phba->nvmet_support) |
2982 | phba->cpucheck_on |= LPFC_CHECK_NVMET_IO; | |
2983 | else | |
2984 | phba->cpucheck_on |= LPFC_CHECK_NVME_IO; | |
bd2cdd5e | 2985 | return strlen(pbuf); |
6a828b0f JS |
2986 | } else if ((strncmp(pbuf, "scsi_on", sizeof("scsi_on") - 1) == 0)) { |
2987 | phba->cpucheck_on |= LPFC_CHECK_SCSI_IO; | |
2988 | return strlen(pbuf); | |
bd2cdd5e JS |
2989 | } else if ((strncmp(pbuf, "rcv", |
2990 | sizeof("rcv") - 1) == 0)) { | |
f358dd0c JS |
2991 | if (phba->nvmet_support) |
2992 | phba->cpucheck_on |= LPFC_CHECK_NVMET_RCV; | |
2993 | else | |
2994 | return -EINVAL; | |
2995 | return strlen(pbuf); | |
bd2cdd5e JS |
2996 | } else if ((strncmp(pbuf, "off", |
2997 | sizeof("off") - 1) == 0)) { | |
2998 | phba->cpucheck_on = LPFC_CHECK_OFF; | |
2999 | return strlen(pbuf); | |
3000 | } else if ((strncmp(pbuf, "zero", | |
3001 | sizeof("zero") - 1) == 0)) { | |
63df6d63 JS |
3002 | for (i = 0; i < phba->cfg_hdw_queue; i++) { |
3003 | qp = &phba->sli4_hba.hdwq[i]; | |
3004 | ||
3005 | for (j = 0; j < LPFC_CHECK_CPU_CNT; j++) { | |
3006 | qp->cpucheck_rcv_io[j] = 0; | |
3007 | qp->cpucheck_xmt_io[j] = 0; | |
3008 | qp->cpucheck_cmpl_io[j] = 0; | |
3009 | } | |
bd2cdd5e JS |
3010 | } |
3011 | return strlen(pbuf); | |
3012 | } | |
3013 | return -EINVAL; | |
3014 | } | |
3015 | ||
2a622bfb | 3016 | /* |
86a80846 | 3017 | * --------------------------------- |
2a622bfb | 3018 | * iDiag debugfs file access methods |
86a80846 | 3019 | * --------------------------------- |
2a622bfb | 3020 | * |
86a80846 JS |
3021 | * All access methods are through the proper SLI4 PCI function's debugfs |
3022 | * iDiag directory: | |
2a622bfb | 3023 | * |
86a80846 | 3024 | * /sys/kernel/debug/lpfc/fn<#>/iDiag |
2a622bfb JS |
3025 | */ |
3026 | ||
3027 | /** | |
3028 | * lpfc_idiag_cmd_get - Get and parse idiag debugfs comands from user space | |
3029 | * @buf: The pointer to the user space buffer. | |
3030 | * @nbytes: The number of bytes in the user space buffer. | |
3031 | * @idiag_cmd: pointer to the idiag command struct. | |
3032 | * | |
3033 | * This routine reads data from debugfs user space buffer and parses the | |
3034 | * buffer for getting the idiag command and arguments. The while space in | |
3035 | * between the set of data is used as the parsing separator. | |
3036 | * | |
3037 | * This routine returns 0 when successful, it returns proper error code | |
3038 | * back to the user space in error conditions. | |
3039 | */ | |
3040 | static int lpfc_idiag_cmd_get(const char __user *buf, size_t nbytes, | |
3041 | struct lpfc_idiag_cmd *idiag_cmd) | |
3042 | { | |
3043 | char mybuf[64]; | |
3044 | char *pbuf, *step_str; | |
b11d48e8 SB |
3045 | int i; |
3046 | size_t bsize; | |
2a622bfb | 3047 | |
2a622bfb JS |
3048 | memset(mybuf, 0, sizeof(mybuf)); |
3049 | memset(idiag_cmd, 0, sizeof(*idiag_cmd)); | |
3050 | bsize = min(nbytes, (sizeof(mybuf)-1)); | |
3051 | ||
3052 | if (copy_from_user(mybuf, buf, bsize)) | |
3053 | return -EFAULT; | |
3054 | pbuf = &mybuf[0]; | |
3055 | step_str = strsep(&pbuf, "\t "); | |
3056 | ||
3057 | /* The opcode must present */ | |
3058 | if (!step_str) | |
3059 | return -EINVAL; | |
3060 | ||
3061 | idiag_cmd->opcode = simple_strtol(step_str, NULL, 0); | |
3062 | if (idiag_cmd->opcode == 0) | |
3063 | return -EINVAL; | |
3064 | ||
3065 | for (i = 0; i < LPFC_IDIAG_CMD_DATA_SIZE; i++) { | |
3066 | step_str = strsep(&pbuf, "\t "); | |
3067 | if (!step_str) | |
86a80846 | 3068 | return i; |
2a622bfb JS |
3069 | idiag_cmd->data[i] = simple_strtol(step_str, NULL, 0); |
3070 | } | |
86a80846 | 3071 | return i; |
2a622bfb JS |
3072 | } |
3073 | ||
3074 | /** | |
3075 | * lpfc_idiag_open - idiag open debugfs | |
3076 | * @inode: The inode pointer that contains a pointer to phba. | |
3077 | * @file: The file pointer to attach the file operation. | |
3078 | * | |
3079 | * Description: | |
3080 | * This routine is the entry point for the debugfs open file operation. It | |
3081 | * gets the reference to phba from the i_private field in @inode, it then | |
3082 | * allocates buffer for the file operation, performs the necessary PCI config | |
3083 | * space read into the allocated buffer according to the idiag user command | |
3084 | * setup, and then returns a pointer to buffer in the private_data field in | |
3085 | * @file. | |
3086 | * | |
3087 | * Returns: | |
3088 | * This function returns zero if successful. On error it will return an | |
3089 | * negative error value. | |
3090 | **/ | |
3091 | static int | |
3092 | lpfc_idiag_open(struct inode *inode, struct file *file) | |
3093 | { | |
3094 | struct lpfc_debug *debug; | |
3095 | ||
3096 | debug = kmalloc(sizeof(*debug), GFP_KERNEL); | |
3097 | if (!debug) | |
3098 | return -ENOMEM; | |
3099 | ||
3100 | debug->i_private = inode->i_private; | |
3101 | debug->buffer = NULL; | |
3102 | file->private_data = debug; | |
3103 | ||
3104 | return 0; | |
3105 | } | |
3106 | ||
3107 | /** | |
3108 | * lpfc_idiag_release - Release idiag access file operation | |
3109 | * @inode: The inode pointer that contains a vport pointer. (unused) | |
3110 | * @file: The file pointer that contains the buffer to release. | |
3111 | * | |
3112 | * Description: | |
3113 | * This routine is the generic release routine for the idiag access file | |
3114 | * operation, it frees the buffer that was allocated when the debugfs file | |
3115 | * was opened. | |
3116 | * | |
3117 | * Returns: | |
3118 | * This function returns zero. | |
3119 | **/ | |
3120 | static int | |
3121 | lpfc_idiag_release(struct inode *inode, struct file *file) | |
3122 | { | |
3123 | struct lpfc_debug *debug = file->private_data; | |
3124 | ||
3125 | /* Free the buffers to the file operation */ | |
3126 | kfree(debug->buffer); | |
3127 | kfree(debug); | |
3128 | ||
3129 | return 0; | |
3130 | } | |
3131 | ||
3132 | /** | |
3133 | * lpfc_idiag_cmd_release - Release idiag cmd access file operation | |
3134 | * @inode: The inode pointer that contains a vport pointer. (unused) | |
3135 | * @file: The file pointer that contains the buffer to release. | |
3136 | * | |
3137 | * Description: | |
3138 | * This routine frees the buffer that was allocated when the debugfs file | |
3139 | * was opened. It also reset the fields in the idiag command struct in the | |
86a80846 | 3140 | * case of command for write operation. |
2a622bfb JS |
3141 | * |
3142 | * Returns: | |
3143 | * This function returns zero. | |
3144 | **/ | |
3145 | static int | |
3146 | lpfc_idiag_cmd_release(struct inode *inode, struct file *file) | |
3147 | { | |
3148 | struct lpfc_debug *debug = file->private_data; | |
3149 | ||
86a80846 JS |
3150 | if (debug->op == LPFC_IDIAG_OP_WR) { |
3151 | switch (idiag.cmd.opcode) { | |
3152 | case LPFC_IDIAG_CMD_PCICFG_WR: | |
3153 | case LPFC_IDIAG_CMD_PCICFG_ST: | |
3154 | case LPFC_IDIAG_CMD_PCICFG_CL: | |
3155 | case LPFC_IDIAG_CMD_QUEACC_WR: | |
3156 | case LPFC_IDIAG_CMD_QUEACC_ST: | |
3157 | case LPFC_IDIAG_CMD_QUEACC_CL: | |
2a622bfb | 3158 | memset(&idiag, 0, sizeof(idiag)); |
86a80846 JS |
3159 | break; |
3160 | default: | |
3161 | break; | |
3162 | } | |
3163 | } | |
2a622bfb JS |
3164 | |
3165 | /* Free the buffers to the file operation */ | |
3166 | kfree(debug->buffer); | |
3167 | kfree(debug); | |
3168 | ||
3169 | return 0; | |
3170 | } | |
3171 | ||
3172 | /** | |
3173 | * lpfc_idiag_pcicfg_read - idiag debugfs read pcicfg | |
3174 | * @file: The file pointer to read from. | |
3175 | * @buf: The buffer to copy the data to. | |
3176 | * @nbytes: The number of bytes to read. | |
3177 | * @ppos: The position in the file to start reading from. | |
3178 | * | |
3179 | * Description: | |
3180 | * This routine reads data from the @phba pci config space according to the | |
3181 | * idiag command, and copies to user @buf. Depending on the PCI config space | |
3182 | * read command setup, it does either a single register read of a byte | |
3183 | * (8 bits), a word (16 bits), or a dword (32 bits) or browsing through all | |
3184 | * registers from the 4K extended PCI config space. | |
3185 | * | |
3186 | * Returns: | |
3187 | * This function returns the amount of data that was read (this could be less | |
3188 | * than @nbytes if the end of the file was reached) or a negative error value. | |
3189 | **/ | |
3190 | static ssize_t | |
3191 | lpfc_idiag_pcicfg_read(struct file *file, char __user *buf, size_t nbytes, | |
3192 | loff_t *ppos) | |
3193 | { | |
3194 | struct lpfc_debug *debug = file->private_data; | |
3195 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
3196 | int offset_label, offset, len = 0, index = LPFC_PCI_CFG_RD_SIZE; | |
3197 | int where, count; | |
3198 | char *pbuffer; | |
3199 | struct pci_dev *pdev; | |
3200 | uint32_t u32val; | |
3201 | uint16_t u16val; | |
3202 | uint8_t u8val; | |
3203 | ||
3204 | pdev = phba->pcidev; | |
3205 | if (!pdev) | |
3206 | return 0; | |
3207 | ||
3208 | /* This is a user read operation */ | |
3209 | debug->op = LPFC_IDIAG_OP_RD; | |
3210 | ||
3211 | if (!debug->buffer) | |
3212 | debug->buffer = kmalloc(LPFC_PCI_CFG_SIZE, GFP_KERNEL); | |
3213 | if (!debug->buffer) | |
3214 | return 0; | |
3215 | pbuffer = debug->buffer; | |
3216 | ||
3217 | if (*ppos) | |
3218 | return 0; | |
3219 | ||
3220 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) { | |
b76f2dc9 JS |
3221 | where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX]; |
3222 | count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX]; | |
2a622bfb JS |
3223 | } else |
3224 | return 0; | |
3225 | ||
3226 | /* Read single PCI config space register */ | |
3227 | switch (count) { | |
3228 | case SIZE_U8: /* byte (8 bits) */ | |
3229 | pci_read_config_byte(pdev, where, &u8val); | |
e7f7b6f3 | 3230 | len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, |
2a622bfb JS |
3231 | "%03x: %02x\n", where, u8val); |
3232 | break; | |
3233 | case SIZE_U16: /* word (16 bits) */ | |
3234 | pci_read_config_word(pdev, where, &u16val); | |
e7f7b6f3 | 3235 | len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, |
2a622bfb JS |
3236 | "%03x: %04x\n", where, u16val); |
3237 | break; | |
3238 | case SIZE_U32: /* double word (32 bits) */ | |
3239 | pci_read_config_dword(pdev, where, &u32val); | |
e7f7b6f3 | 3240 | len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, |
2a622bfb JS |
3241 | "%03x: %08x\n", where, u32val); |
3242 | break; | |
86a80846 | 3243 | case LPFC_PCI_CFG_BROWSE: /* browse all */ |
2a622bfb JS |
3244 | goto pcicfg_browse; |
3245 | break; | |
3246 | default: | |
3247 | /* illegal count */ | |
3248 | len = 0; | |
3249 | break; | |
3250 | } | |
3251 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
3252 | ||
3253 | pcicfg_browse: | |
3254 | ||
3255 | /* Browse all PCI config space registers */ | |
3256 | offset_label = idiag.offset.last_rd; | |
3257 | offset = offset_label; | |
3258 | ||
3259 | /* Read PCI config space */ | |
e7f7b6f3 | 3260 | len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, |
2a622bfb JS |
3261 | "%03x: ", offset_label); |
3262 | while (index > 0) { | |
3263 | pci_read_config_dword(pdev, offset, &u32val); | |
e7f7b6f3 | 3264 | len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, |
2a622bfb JS |
3265 | "%08x ", u32val); |
3266 | offset += sizeof(uint32_t); | |
b76f2dc9 | 3267 | if (offset >= LPFC_PCI_CFG_SIZE) { |
e7f7b6f3 | 3268 | len += scnprintf(pbuffer+len, |
b76f2dc9 JS |
3269 | LPFC_PCI_CFG_SIZE-len, "\n"); |
3270 | break; | |
3271 | } | |
2a622bfb JS |
3272 | index -= sizeof(uint32_t); |
3273 | if (!index) | |
e7f7b6f3 | 3274 | len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, |
2a622bfb JS |
3275 | "\n"); |
3276 | else if (!(index % (8 * sizeof(uint32_t)))) { | |
3277 | offset_label += (8 * sizeof(uint32_t)); | |
e7f7b6f3 | 3278 | len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len, |
2a622bfb JS |
3279 | "\n%03x: ", offset_label); |
3280 | } | |
3281 | } | |
3282 | ||
3283 | /* Set up the offset for next portion of pci cfg read */ | |
b76f2dc9 JS |
3284 | if (index == 0) { |
3285 | idiag.offset.last_rd += LPFC_PCI_CFG_RD_SIZE; | |
3286 | if (idiag.offset.last_rd >= LPFC_PCI_CFG_SIZE) | |
3287 | idiag.offset.last_rd = 0; | |
3288 | } else | |
2a622bfb JS |
3289 | idiag.offset.last_rd = 0; |
3290 | ||
3291 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
3292 | } | |
3293 | ||
3294 | /** | |
3295 | * lpfc_idiag_pcicfg_write - Syntax check and set up idiag pcicfg commands | |
3296 | * @file: The file pointer to read from. | |
3297 | * @buf: The buffer to copy the user data from. | |
3298 | * @nbytes: The number of bytes to get. | |
3299 | * @ppos: The position in the file to start reading from. | |
3300 | * | |
3301 | * This routine get the debugfs idiag command struct from user space and | |
3302 | * then perform the syntax check for PCI config space read or write command | |
3303 | * accordingly. In the case of PCI config space read command, it sets up | |
3304 | * the command in the idiag command struct for the debugfs read operation. | |
3305 | * In the case of PCI config space write operation, it executes the write | |
3306 | * operation into the PCI config space accordingly. | |
3307 | * | |
3308 | * It returns the @nbytges passing in from debugfs user space when successful. | |
3309 | * In case of error conditions, it returns proper error code back to the user | |
3310 | * space. | |
3311 | */ | |
3312 | static ssize_t | |
3313 | lpfc_idiag_pcicfg_write(struct file *file, const char __user *buf, | |
3314 | size_t nbytes, loff_t *ppos) | |
3315 | { | |
3316 | struct lpfc_debug *debug = file->private_data; | |
3317 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
3318 | uint32_t where, value, count; | |
3319 | uint32_t u32val; | |
3320 | uint16_t u16val; | |
3321 | uint8_t u8val; | |
3322 | struct pci_dev *pdev; | |
3323 | int rc; | |
3324 | ||
3325 | pdev = phba->pcidev; | |
3326 | if (!pdev) | |
3327 | return -EFAULT; | |
3328 | ||
3329 | /* This is a user write operation */ | |
3330 | debug->op = LPFC_IDIAG_OP_WR; | |
3331 | ||
3332 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
86a80846 | 3333 | if (rc < 0) |
2a622bfb JS |
3334 | return rc; |
3335 | ||
3336 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) { | |
86a80846 JS |
3337 | /* Sanity check on PCI config read command line arguments */ |
3338 | if (rc != LPFC_PCI_CFG_RD_CMD_ARG) | |
3339 | goto error_out; | |
2a622bfb | 3340 | /* Read command from PCI config space, set up command fields */ |
b76f2dc9 JS |
3341 | where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX]; |
3342 | count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX]; | |
86a80846 JS |
3343 | if (count == LPFC_PCI_CFG_BROWSE) { |
3344 | if (where % sizeof(uint32_t)) | |
2a622bfb | 3345 | goto error_out; |
86a80846 JS |
3346 | /* Starting offset to browse */ |
3347 | idiag.offset.last_rd = where; | |
2a622bfb JS |
3348 | } else if ((count != sizeof(uint8_t)) && |
3349 | (count != sizeof(uint16_t)) && | |
3350 | (count != sizeof(uint32_t))) | |
3351 | goto error_out; | |
3352 | if (count == sizeof(uint8_t)) { | |
3353 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t)) | |
3354 | goto error_out; | |
3355 | if (where % sizeof(uint8_t)) | |
3356 | goto error_out; | |
3357 | } | |
3358 | if (count == sizeof(uint16_t)) { | |
3359 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t)) | |
3360 | goto error_out; | |
3361 | if (where % sizeof(uint16_t)) | |
3362 | goto error_out; | |
3363 | } | |
3364 | if (count == sizeof(uint32_t)) { | |
3365 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t)) | |
3366 | goto error_out; | |
3367 | if (where % sizeof(uint32_t)) | |
3368 | goto error_out; | |
3369 | } | |
3370 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR || | |
3371 | idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST || | |
3372 | idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) { | |
86a80846 JS |
3373 | /* Sanity check on PCI config write command line arguments */ |
3374 | if (rc != LPFC_PCI_CFG_WR_CMD_ARG) | |
3375 | goto error_out; | |
2a622bfb | 3376 | /* Write command to PCI config space, read-modify-write */ |
b76f2dc9 JS |
3377 | where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX]; |
3378 | count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX]; | |
3379 | value = idiag.cmd.data[IDIAG_PCICFG_VALUE_INDX]; | |
2a622bfb JS |
3380 | /* Sanity checks */ |
3381 | if ((count != sizeof(uint8_t)) && | |
3382 | (count != sizeof(uint16_t)) && | |
3383 | (count != sizeof(uint32_t))) | |
3384 | goto error_out; | |
3385 | if (count == sizeof(uint8_t)) { | |
3386 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t)) | |
3387 | goto error_out; | |
3388 | if (where % sizeof(uint8_t)) | |
3389 | goto error_out; | |
3390 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR) | |
3391 | pci_write_config_byte(pdev, where, | |
3392 | (uint8_t)value); | |
3393 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) { | |
3394 | rc = pci_read_config_byte(pdev, where, &u8val); | |
3395 | if (!rc) { | |
3396 | u8val |= (uint8_t)value; | |
3397 | pci_write_config_byte(pdev, where, | |
3398 | u8val); | |
3399 | } | |
3400 | } | |
3401 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) { | |
3402 | rc = pci_read_config_byte(pdev, where, &u8val); | |
3403 | if (!rc) { | |
3404 | u8val &= (uint8_t)(~value); | |
3405 | pci_write_config_byte(pdev, where, | |
3406 | u8val); | |
3407 | } | |
3408 | } | |
3409 | } | |
3410 | if (count == sizeof(uint16_t)) { | |
3411 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t)) | |
3412 | goto error_out; | |
3413 | if (where % sizeof(uint16_t)) | |
3414 | goto error_out; | |
3415 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR) | |
3416 | pci_write_config_word(pdev, where, | |
3417 | (uint16_t)value); | |
3418 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) { | |
3419 | rc = pci_read_config_word(pdev, where, &u16val); | |
3420 | if (!rc) { | |
3421 | u16val |= (uint16_t)value; | |
3422 | pci_write_config_word(pdev, where, | |
3423 | u16val); | |
3424 | } | |
3425 | } | |
3426 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) { | |
3427 | rc = pci_read_config_word(pdev, where, &u16val); | |
3428 | if (!rc) { | |
3429 | u16val &= (uint16_t)(~value); | |
3430 | pci_write_config_word(pdev, where, | |
3431 | u16val); | |
3432 | } | |
3433 | } | |
3434 | } | |
3435 | if (count == sizeof(uint32_t)) { | |
3436 | if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t)) | |
3437 | goto error_out; | |
3438 | if (where % sizeof(uint32_t)) | |
3439 | goto error_out; | |
3440 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR) | |
3441 | pci_write_config_dword(pdev, where, value); | |
3442 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) { | |
3443 | rc = pci_read_config_dword(pdev, where, | |
3444 | &u32val); | |
3445 | if (!rc) { | |
3446 | u32val |= value; | |
3447 | pci_write_config_dword(pdev, where, | |
3448 | u32val); | |
3449 | } | |
3450 | } | |
3451 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) { | |
3452 | rc = pci_read_config_dword(pdev, where, | |
3453 | &u32val); | |
3454 | if (!rc) { | |
3455 | u32val &= ~value; | |
3456 | pci_write_config_dword(pdev, where, | |
3457 | u32val); | |
3458 | } | |
3459 | } | |
3460 | } | |
3461 | } else | |
3462 | /* All other opecodes are illegal for now */ | |
3463 | goto error_out; | |
3464 | ||
3465 | return nbytes; | |
3466 | error_out: | |
3467 | memset(&idiag, 0, sizeof(idiag)); | |
3468 | return -EINVAL; | |
3469 | } | |
3470 | ||
b76f2dc9 JS |
3471 | /** |
3472 | * lpfc_idiag_baracc_read - idiag debugfs pci bar access read | |
3473 | * @file: The file pointer to read from. | |
3474 | * @buf: The buffer to copy the data to. | |
3475 | * @nbytes: The number of bytes to read. | |
3476 | * @ppos: The position in the file to start reading from. | |
3477 | * | |
3478 | * Description: | |
3479 | * This routine reads data from the @phba pci bar memory mapped space | |
3480 | * according to the idiag command, and copies to user @buf. | |
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_baracc_read(struct file *file, char __user *buf, size_t nbytes, | |
3488 | loff_t *ppos) | |
3489 | { | |
3490 | struct lpfc_debug *debug = file->private_data; | |
3491 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
3492 | int offset_label, offset, offset_run, len = 0, index; | |
3493 | int bar_num, acc_range, bar_size; | |
3494 | char *pbuffer; | |
3495 | void __iomem *mem_mapped_bar; | |
3496 | uint32_t if_type; | |
3497 | struct pci_dev *pdev; | |
3498 | uint32_t u32val; | |
3499 | ||
3500 | pdev = phba->pcidev; | |
3501 | if (!pdev) | |
3502 | return 0; | |
3503 | ||
3504 | /* This is a user read operation */ | |
3505 | debug->op = LPFC_IDIAG_OP_RD; | |
3506 | ||
3507 | if (!debug->buffer) | |
3508 | debug->buffer = kmalloc(LPFC_PCI_BAR_RD_BUF_SIZE, GFP_KERNEL); | |
3509 | if (!debug->buffer) | |
3510 | return 0; | |
3511 | pbuffer = debug->buffer; | |
3512 | ||
3513 | if (*ppos) | |
3514 | return 0; | |
3515 | ||
3516 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) { | |
3517 | bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX]; | |
3518 | offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX]; | |
3519 | acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX]; | |
3520 | bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX]; | |
3521 | } else | |
3522 | return 0; | |
3523 | ||
3524 | if (acc_range == 0) | |
3525 | return 0; | |
3526 | ||
3527 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
3528 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) { | |
3529 | if (bar_num == IDIAG_BARACC_BAR_0) | |
3530 | mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p; | |
3531 | else if (bar_num == IDIAG_BARACC_BAR_1) | |
3532 | mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p; | |
3533 | else if (bar_num == IDIAG_BARACC_BAR_2) | |
3534 | mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p; | |
3535 | else | |
3536 | return 0; | |
3537 | } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
3538 | if (bar_num == IDIAG_BARACC_BAR_0) | |
3539 | mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p; | |
3540 | else | |
3541 | return 0; | |
3542 | } else | |
3543 | return 0; | |
3544 | ||
3545 | /* Read single PCI bar space register */ | |
3546 | if (acc_range == SINGLE_WORD) { | |
3547 | offset_run = offset; | |
3548 | u32val = readl(mem_mapped_bar + offset_run); | |
e7f7b6f3 | 3549 | len += scnprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len, |
b76f2dc9 JS |
3550 | "%05x: %08x\n", offset_run, u32val); |
3551 | } else | |
3552 | goto baracc_browse; | |
3553 | ||
3554 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
3555 | ||
3556 | baracc_browse: | |
3557 | ||
3558 | /* Browse all PCI bar space registers */ | |
3559 | offset_label = idiag.offset.last_rd; | |
3560 | offset_run = offset_label; | |
3561 | ||
3562 | /* Read PCI bar memory mapped space */ | |
e7f7b6f3 | 3563 | len += scnprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len, |
b76f2dc9 JS |
3564 | "%05x: ", offset_label); |
3565 | index = LPFC_PCI_BAR_RD_SIZE; | |
3566 | while (index > 0) { | |
3567 | u32val = readl(mem_mapped_bar + offset_run); | |
e7f7b6f3 | 3568 | len += scnprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len, |
b76f2dc9 JS |
3569 | "%08x ", u32val); |
3570 | offset_run += sizeof(uint32_t); | |
3571 | if (acc_range == LPFC_PCI_BAR_BROWSE) { | |
3572 | if (offset_run >= bar_size) { | |
e7f7b6f3 | 3573 | len += scnprintf(pbuffer+len, |
b76f2dc9 JS |
3574 | LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n"); |
3575 | break; | |
3576 | } | |
3577 | } else { | |
3578 | if (offset_run >= offset + | |
3579 | (acc_range * sizeof(uint32_t))) { | |
e7f7b6f3 | 3580 | len += scnprintf(pbuffer+len, |
b76f2dc9 JS |
3581 | LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n"); |
3582 | break; | |
3583 | } | |
3584 | } | |
3585 | index -= sizeof(uint32_t); | |
3586 | if (!index) | |
e7f7b6f3 | 3587 | len += scnprintf(pbuffer+len, |
b76f2dc9 JS |
3588 | LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n"); |
3589 | else if (!(index % (8 * sizeof(uint32_t)))) { | |
3590 | offset_label += (8 * sizeof(uint32_t)); | |
e7f7b6f3 | 3591 | len += scnprintf(pbuffer+len, |
b76f2dc9 JS |
3592 | LPFC_PCI_BAR_RD_BUF_SIZE-len, |
3593 | "\n%05x: ", offset_label); | |
3594 | } | |
3595 | } | |
3596 | ||
3597 | /* Set up the offset for next portion of pci bar read */ | |
3598 | if (index == 0) { | |
3599 | idiag.offset.last_rd += LPFC_PCI_BAR_RD_SIZE; | |
3600 | if (acc_range == LPFC_PCI_BAR_BROWSE) { | |
3601 | if (idiag.offset.last_rd >= bar_size) | |
3602 | idiag.offset.last_rd = 0; | |
3603 | } else { | |
3604 | if (offset_run >= offset + | |
3605 | (acc_range * sizeof(uint32_t))) | |
3606 | idiag.offset.last_rd = offset; | |
3607 | } | |
3608 | } else { | |
3609 | if (acc_range == LPFC_PCI_BAR_BROWSE) | |
3610 | idiag.offset.last_rd = 0; | |
3611 | else | |
3612 | idiag.offset.last_rd = offset; | |
3613 | } | |
3614 | ||
3615 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
3616 | } | |
3617 | ||
3618 | /** | |
3619 | * lpfc_idiag_baracc_write - Syntax check and set up idiag bar access commands | |
3620 | * @file: The file pointer to read from. | |
3621 | * @buf: The buffer to copy the user data from. | |
3622 | * @nbytes: The number of bytes to get. | |
3623 | * @ppos: The position in the file to start reading from. | |
3624 | * | |
3625 | * This routine get the debugfs idiag command struct from user space and | |
3626 | * then perform the syntax check for PCI bar memory mapped space read or | |
3627 | * write command accordingly. In the case of PCI bar memory mapped space | |
3628 | * read command, it sets up the command in the idiag command struct for | |
3629 | * the debugfs read operation. In the case of PCI bar memorpy mapped space | |
3630 | * write operation, it executes the write operation into the PCI bar memory | |
3631 | * mapped space accordingly. | |
3632 | * | |
3633 | * It returns the @nbytges passing in from debugfs user space when successful. | |
3634 | * In case of error conditions, it returns proper error code back to the user | |
3635 | * space. | |
3636 | */ | |
3637 | static ssize_t | |
3638 | lpfc_idiag_baracc_write(struct file *file, const char __user *buf, | |
3639 | size_t nbytes, loff_t *ppos) | |
3640 | { | |
3641 | struct lpfc_debug *debug = file->private_data; | |
3642 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
3643 | uint32_t bar_num, bar_size, offset, value, acc_range; | |
3644 | struct pci_dev *pdev; | |
3645 | void __iomem *mem_mapped_bar; | |
3646 | uint32_t if_type; | |
3647 | uint32_t u32val; | |
3648 | int rc; | |
3649 | ||
3650 | pdev = phba->pcidev; | |
3651 | if (!pdev) | |
3652 | return -EFAULT; | |
3653 | ||
3654 | /* This is a user write operation */ | |
3655 | debug->op = LPFC_IDIAG_OP_WR; | |
3656 | ||
3657 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
3658 | if (rc < 0) | |
3659 | return rc; | |
3660 | ||
3661 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
3662 | bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX]; | |
3663 | ||
3664 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) { | |
3665 | if ((bar_num != IDIAG_BARACC_BAR_0) && | |
3666 | (bar_num != IDIAG_BARACC_BAR_1) && | |
3667 | (bar_num != IDIAG_BARACC_BAR_2)) | |
3668 | goto error_out; | |
3669 | } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
3670 | if (bar_num != IDIAG_BARACC_BAR_0) | |
3671 | goto error_out; | |
3672 | } else | |
3673 | goto error_out; | |
3674 | ||
3675 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) { | |
3676 | if (bar_num == IDIAG_BARACC_BAR_0) { | |
3677 | idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] = | |
3678 | LPFC_PCI_IF0_BAR0_SIZE; | |
3679 | mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p; | |
3680 | } else if (bar_num == IDIAG_BARACC_BAR_1) { | |
3681 | idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] = | |
3682 | LPFC_PCI_IF0_BAR1_SIZE; | |
3683 | mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p; | |
3684 | } else if (bar_num == IDIAG_BARACC_BAR_2) { | |
3685 | idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] = | |
3686 | LPFC_PCI_IF0_BAR2_SIZE; | |
3687 | mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p; | |
3688 | } else | |
3689 | goto error_out; | |
3690 | } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
3691 | if (bar_num == IDIAG_BARACC_BAR_0) { | |
3692 | idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] = | |
3693 | LPFC_PCI_IF2_BAR0_SIZE; | |
3694 | mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p; | |
3695 | } else | |
3696 | goto error_out; | |
3697 | } else | |
3698 | goto error_out; | |
3699 | ||
3700 | offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX]; | |
3701 | if (offset % sizeof(uint32_t)) | |
3702 | goto error_out; | |
3703 | ||
3704 | bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX]; | |
3705 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) { | |
3706 | /* Sanity check on PCI config read command line arguments */ | |
3707 | if (rc != LPFC_PCI_BAR_RD_CMD_ARG) | |
3708 | goto error_out; | |
3709 | acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX]; | |
3710 | if (acc_range == LPFC_PCI_BAR_BROWSE) { | |
3711 | if (offset > bar_size - sizeof(uint32_t)) | |
3712 | goto error_out; | |
3713 | /* Starting offset to browse */ | |
3714 | idiag.offset.last_rd = offset; | |
3715 | } else if (acc_range > SINGLE_WORD) { | |
3716 | if (offset + acc_range * sizeof(uint32_t) > bar_size) | |
3717 | goto error_out; | |
3718 | /* Starting offset to browse */ | |
3719 | idiag.offset.last_rd = offset; | |
3720 | } else if (acc_range != SINGLE_WORD) | |
3721 | goto error_out; | |
3722 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR || | |
3723 | idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST || | |
3724 | idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) { | |
3725 | /* Sanity check on PCI bar write command line arguments */ | |
3726 | if (rc != LPFC_PCI_BAR_WR_CMD_ARG) | |
3727 | goto error_out; | |
3728 | /* Write command to PCI bar space, read-modify-write */ | |
3729 | acc_range = SINGLE_WORD; | |
3730 | value = idiag.cmd.data[IDIAG_BARACC_REG_VAL_INDX]; | |
3731 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR) { | |
3732 | writel(value, mem_mapped_bar + offset); | |
3733 | readl(mem_mapped_bar + offset); | |
3734 | } | |
3735 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST) { | |
3736 | u32val = readl(mem_mapped_bar + offset); | |
3737 | u32val |= value; | |
3738 | writel(u32val, mem_mapped_bar + offset); | |
3739 | readl(mem_mapped_bar + offset); | |
3740 | } | |
3741 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) { | |
3742 | u32val = readl(mem_mapped_bar + offset); | |
3743 | u32val &= ~value; | |
3744 | writel(u32val, mem_mapped_bar + offset); | |
3745 | readl(mem_mapped_bar + offset); | |
3746 | } | |
3747 | } else | |
3748 | /* All other opecodes are illegal for now */ | |
3749 | goto error_out; | |
3750 | ||
3751 | return nbytes; | |
3752 | error_out: | |
3753 | memset(&idiag, 0, sizeof(idiag)); | |
3754 | return -EINVAL; | |
3755 | } | |
3756 | ||
07bcd98e JS |
3757 | static int |
3758 | __lpfc_idiag_print_wq(struct lpfc_queue *qp, char *wqtype, | |
3759 | char *pbuffer, int len) | |
3760 | { | |
3761 | if (!qp) | |
3762 | return len; | |
3763 | ||
e7f7b6f3 | 3764 | len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, |
07bcd98e | 3765 | "\t\t%s WQ info: ", wqtype); |
e7f7b6f3 | 3766 | len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, |
07bcd98e JS |
3767 | "AssocCQID[%04d]: WQ-STAT[oflow:x%x posted:x%llx]\n", |
3768 | qp->assoc_qid, qp->q_cnt_1, | |
3769 | (unsigned long long)qp->q_cnt_4); | |
e7f7b6f3 | 3770 | len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, |
7869da18 | 3771 | "\t\tWQID[%02d], QE-CNT[%04d], QE-SZ[%04d], " |
32517fc0 | 3772 | "HST-IDX[%04d], PRT-IDX[%04d], NTFI[%03d]", |
07bcd98e JS |
3773 | qp->queue_id, qp->entry_count, |
3774 | qp->entry_size, qp->host_index, | |
32517fc0 | 3775 | qp->hba_index, qp->notify_interval); |
e7f7b6f3 | 3776 | len += scnprintf(pbuffer + len, |
07bcd98e JS |
3777 | LPFC_QUE_INFO_GET_BUF_SIZE - len, "\n"); |
3778 | return len; | |
3779 | } | |
3780 | ||
3781 | static int | |
3782 | lpfc_idiag_wqs_for_cq(struct lpfc_hba *phba, char *wqtype, char *pbuffer, | |
3783 | int *len, int max_cnt, int cq_id) | |
3784 | { | |
3785 | struct lpfc_queue *qp; | |
3786 | int qidx; | |
3787 | ||
cdb42bec JS |
3788 | for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) { |
3789 | qp = phba->sli4_hba.hdwq[qidx].fcp_wq; | |
07bcd98e JS |
3790 | if (qp->assoc_qid != cq_id) |
3791 | continue; | |
3792 | *len = __lpfc_idiag_print_wq(qp, wqtype, pbuffer, *len); | |
3793 | if (*len >= max_cnt) | |
3794 | return 1; | |
3795 | } | |
cdb42bec JS |
3796 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
3797 | for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) { | |
3798 | qp = phba->sli4_hba.hdwq[qidx].nvme_wq; | |
3799 | if (qp->assoc_qid != cq_id) | |
3800 | continue; | |
3801 | *len = __lpfc_idiag_print_wq(qp, wqtype, pbuffer, *len); | |
3802 | if (*len >= max_cnt) | |
3803 | return 1; | |
3804 | } | |
895427bd | 3805 | } |
07bcd98e JS |
3806 | return 0; |
3807 | } | |
3808 | ||
3809 | static int | |
3810 | __lpfc_idiag_print_cq(struct lpfc_queue *qp, char *cqtype, | |
3811 | char *pbuffer, int len) | |
3812 | { | |
3813 | if (!qp) | |
3814 | return len; | |
3815 | ||
e7f7b6f3 | 3816 | len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, |
07bcd98e | 3817 | "\t%s CQ info: ", cqtype); |
e7f7b6f3 | 3818 | len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, |
07bcd98e JS |
3819 | "AssocEQID[%02d]: CQ STAT[max:x%x relw:x%x " |
3820 | "xabt:x%x wq:x%llx]\n", | |
3821 | qp->assoc_qid, qp->q_cnt_1, qp->q_cnt_2, | |
3822 | qp->q_cnt_3, (unsigned long long)qp->q_cnt_4); | |
e7f7b6f3 | 3823 | len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, |
7869da18 | 3824 | "\tCQID[%02d], QE-CNT[%04d], QE-SZ[%04d], " |
32517fc0 | 3825 | "HST-IDX[%04d], NTFI[%03d], PLMT[%03d]", |
07bcd98e JS |
3826 | qp->queue_id, qp->entry_count, |
3827 | qp->entry_size, qp->host_index, | |
32517fc0 | 3828 | qp->notify_interval, qp->max_proc_limit); |
07bcd98e | 3829 | |
e7f7b6f3 SC |
3830 | len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, |
3831 | "\n"); | |
07bcd98e JS |
3832 | |
3833 | return len; | |
3834 | } | |
3835 | ||
3836 | static int | |
3837 | __lpfc_idiag_print_rqpair(struct lpfc_queue *qp, struct lpfc_queue *datqp, | |
3838 | char *rqtype, char *pbuffer, int len) | |
3839 | { | |
3840 | if (!qp || !datqp) | |
3841 | return len; | |
3842 | ||
e7f7b6f3 | 3843 | len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, |
07bcd98e | 3844 | "\t\t%s RQ info: ", rqtype); |
e7f7b6f3 | 3845 | len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, |
07bcd98e | 3846 | "AssocCQID[%02d]: RQ-STAT[nopost:x%x nobuf:x%x " |
547077a4 | 3847 | "posted:x%x rcv:x%llx]\n", |
07bcd98e JS |
3848 | qp->assoc_qid, qp->q_cnt_1, qp->q_cnt_2, |
3849 | qp->q_cnt_3, (unsigned long long)qp->q_cnt_4); | |
e7f7b6f3 | 3850 | len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, |
7869da18 | 3851 | "\t\tHQID[%02d], QE-CNT[%04d], QE-SZ[%04d], " |
32517fc0 | 3852 | "HST-IDX[%04d], PRT-IDX[%04d], NTFI[%03d]\n", |
07bcd98e | 3853 | qp->queue_id, qp->entry_count, qp->entry_size, |
32517fc0 | 3854 | qp->host_index, qp->hba_index, qp->notify_interval); |
e7f7b6f3 | 3855 | len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, |
7869da18 | 3856 | "\t\tDQID[%02d], QE-CNT[%04d], QE-SZ[%04d], " |
32517fc0 | 3857 | "HST-IDX[%04d], PRT-IDX[%04d], NTFI[%03d]\n", |
07bcd98e JS |
3858 | datqp->queue_id, datqp->entry_count, |
3859 | datqp->entry_size, datqp->host_index, | |
32517fc0 | 3860 | datqp->hba_index, datqp->notify_interval); |
07bcd98e JS |
3861 | return len; |
3862 | } | |
3863 | ||
3864 | static int | |
3865 | lpfc_idiag_cqs_for_eq(struct lpfc_hba *phba, char *pbuffer, | |
2d7dbc4c | 3866 | int *len, int max_cnt, int eqidx, int eq_id) |
07bcd98e JS |
3867 | { |
3868 | struct lpfc_queue *qp; | |
6a828b0f | 3869 | int rc; |
07bcd98e | 3870 | |
6a828b0f | 3871 | qp = phba->sli4_hba.hdwq[eqidx].fcp_cq; |
07bcd98e | 3872 | |
6a828b0f | 3873 | *len = __lpfc_idiag_print_cq(qp, "FCP", pbuffer, *len); |
07bcd98e | 3874 | |
6a828b0f JS |
3875 | /* Reset max counter */ |
3876 | qp->CQ_max_cqe = 0; | |
07bcd98e | 3877 | |
6a828b0f JS |
3878 | if (*len >= max_cnt) |
3879 | return 1; | |
07bcd98e | 3880 | |
6a828b0f JS |
3881 | rc = lpfc_idiag_wqs_for_cq(phba, "FCP", pbuffer, len, |
3882 | max_cnt, qp->queue_id); | |
3883 | if (rc) | |
3884 | return 1; | |
07bcd98e | 3885 | |
cdb42bec | 3886 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
6a828b0f | 3887 | qp = phba->sli4_hba.hdwq[eqidx].nvme_cq; |
895427bd | 3888 | |
6a828b0f | 3889 | *len = __lpfc_idiag_print_cq(qp, "NVME", pbuffer, *len); |
895427bd | 3890 | |
6a828b0f JS |
3891 | /* Reset max counter */ |
3892 | qp->CQ_max_cqe = 0; | |
895427bd | 3893 | |
6a828b0f JS |
3894 | if (*len >= max_cnt) |
3895 | return 1; | |
895427bd | 3896 | |
6a828b0f JS |
3897 | rc = lpfc_idiag_wqs_for_cq(phba, "NVME", pbuffer, len, |
3898 | max_cnt, qp->queue_id); | |
3899 | if (rc) | |
3900 | return 1; | |
895427bd JS |
3901 | } |
3902 | ||
bcb24f65 | 3903 | if ((eqidx < phba->cfg_nvmet_mrq) && phba->nvmet_support) { |
2d7dbc4c JS |
3904 | /* NVMET CQset */ |
3905 | qp = phba->sli4_hba.nvmet_cqset[eqidx]; | |
3906 | *len = __lpfc_idiag_print_cq(qp, "NVMET CQset", pbuffer, *len); | |
3907 | ||
3908 | /* Reset max counter */ | |
3909 | qp->CQ_max_cqe = 0; | |
3910 | ||
3911 | if (*len >= max_cnt) | |
3912 | return 1; | |
3913 | ||
3914 | /* RQ header */ | |
3915 | qp = phba->sli4_hba.nvmet_mrq_hdr[eqidx]; | |
3916 | *len = __lpfc_idiag_print_rqpair(qp, | |
3917 | phba->sli4_hba.nvmet_mrq_data[eqidx], | |
3918 | "NVMET MRQ", pbuffer, *len); | |
3919 | ||
3920 | if (*len >= max_cnt) | |
3921 | return 1; | |
3922 | } | |
3923 | ||
07bcd98e JS |
3924 | return 0; |
3925 | } | |
3926 | ||
3927 | static int | |
3928 | __lpfc_idiag_print_eq(struct lpfc_queue *qp, char *eqtype, | |
3929 | char *pbuffer, int len) | |
3930 | { | |
3931 | if (!qp) | |
3932 | return len; | |
3933 | ||
e7f7b6f3 | 3934 | len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, |
07bcd98e | 3935 | "\n%s EQ info: EQ-STAT[max:x%x noE:x%x " |
07d494f7 | 3936 | "cqe_proc:x%x eqe_proc:x%llx eqd %d]\n", |
07bcd98e | 3937 | eqtype, qp->q_cnt_1, qp->q_cnt_2, qp->q_cnt_3, |
0cf07f84 | 3938 | (unsigned long long)qp->q_cnt_4, qp->q_mode); |
e7f7b6f3 | 3939 | len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, |
7869da18 | 3940 | "EQID[%02d], QE-CNT[%04d], QE-SZ[%04d], " |
32517fc0 | 3941 | "HST-IDX[%04d], NTFI[%03d], PLMT[%03d], AFFIN[%03d]", |
07bcd98e | 3942 | qp->queue_id, qp->entry_count, qp->entry_size, |
32517fc0 JS |
3943 | qp->host_index, qp->notify_interval, |
3944 | qp->max_proc_limit, qp->chann); | |
e7f7b6f3 SC |
3945 | len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, |
3946 | "\n"); | |
07bcd98e JS |
3947 | |
3948 | return len; | |
3949 | } | |
3950 | ||
2a622bfb JS |
3951 | /** |
3952 | * lpfc_idiag_queinfo_read - idiag debugfs read queue information | |
3953 | * @file: The file pointer to read from. | |
3954 | * @buf: The buffer to copy the data to. | |
3955 | * @nbytes: The number of bytes to read. | |
3956 | * @ppos: The position in the file to start reading from. | |
3957 | * | |
3958 | * Description: | |
3959 | * This routine reads data from the @phba SLI4 PCI function queue information, | |
3960 | * and copies to user @buf. | |
07bcd98e JS |
3961 | * This routine only returns 1 EQs worth of information. It remembers the last |
3962 | * EQ read and jumps to the next EQ. Thus subsequent calls to queInfo will | |
3963 | * retrieve all EQs allocated for the phba. | |
2a622bfb JS |
3964 | * |
3965 | * Returns: | |
3966 | * This function returns the amount of data that was read (this could be less | |
3967 | * than @nbytes if the end of the file was reached) or a negative error value. | |
3968 | **/ | |
3969 | static ssize_t | |
3970 | lpfc_idiag_queinfo_read(struct file *file, char __user *buf, size_t nbytes, | |
3971 | loff_t *ppos) | |
3972 | { | |
3973 | struct lpfc_debug *debug = file->private_data; | |
3974 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
2a622bfb | 3975 | char *pbuffer; |
07bcd98e | 3976 | int max_cnt, rc, x, len = 0; |
c85a65ac JS |
3977 | struct lpfc_queue *qp = NULL; |
3978 | ||
2a622bfb JS |
3979 | if (!debug->buffer) |
3980 | debug->buffer = kmalloc(LPFC_QUE_INFO_GET_BUF_SIZE, GFP_KERNEL); | |
3981 | if (!debug->buffer) | |
3982 | return 0; | |
3983 | pbuffer = debug->buffer; | |
07bcd98e | 3984 | max_cnt = LPFC_QUE_INFO_GET_BUF_SIZE - 256; |
2a622bfb JS |
3985 | |
3986 | if (*ppos) | |
3987 | return 0; | |
3988 | ||
c85a65ac JS |
3989 | spin_lock_irq(&phba->hbalock); |
3990 | ||
3991 | /* Fast-path event queue */ | |
cdb42bec | 3992 | if (phba->sli4_hba.hdwq && phba->cfg_hdw_queue) { |
c85a65ac | 3993 | |
07bcd98e | 3994 | x = phba->lpfc_idiag_last_eq; |
07bcd98e | 3995 | phba->lpfc_idiag_last_eq++; |
cdb42bec | 3996 | if (phba->lpfc_idiag_last_eq >= phba->cfg_hdw_queue) |
7370d10a | 3997 | phba->lpfc_idiag_last_eq = 0; |
c85a65ac | 3998 | |
e7f7b6f3 SC |
3999 | len += scnprintf(pbuffer + len, |
4000 | LPFC_QUE_INFO_GET_BUF_SIZE - len, | |
4001 | "HDWQ %d out of %d HBA HDWQs\n", | |
4002 | x, phba->cfg_hdw_queue); | |
c85a65ac | 4003 | |
07bcd98e | 4004 | /* Fast-path EQ */ |
cdb42bec | 4005 | qp = phba->sli4_hba.hdwq[x].hba_eq; |
07bcd98e JS |
4006 | if (!qp) |
4007 | goto out; | |
c85a65ac | 4008 | |
07bcd98e | 4009 | len = __lpfc_idiag_print_eq(qp, "HBA", pbuffer, len); |
c85a65ac | 4010 | |
07bcd98e JS |
4011 | /* Reset max counter */ |
4012 | qp->EQ_max_eqe = 0; | |
c85a65ac | 4013 | |
07bcd98e JS |
4014 | if (len >= max_cnt) |
4015 | goto too_big; | |
c85a65ac | 4016 | |
895427bd | 4017 | /* will dump both fcp and nvme cqs/wqs for the eq */ |
07bcd98e | 4018 | rc = lpfc_idiag_cqs_for_eq(phba, pbuffer, &len, |
2d7dbc4c | 4019 | max_cnt, x, qp->queue_id); |
07bcd98e JS |
4020 | if (rc) |
4021 | goto too_big; | |
c85a65ac | 4022 | |
07bcd98e JS |
4023 | /* Only EQ 0 has slow path CQs configured */ |
4024 | if (x) | |
4025 | goto out; | |
c85a65ac | 4026 | |
07bcd98e JS |
4027 | /* Slow-path mailbox CQ */ |
4028 | qp = phba->sli4_hba.mbx_cq; | |
4029 | len = __lpfc_idiag_print_cq(qp, "MBX", pbuffer, len); | |
4030 | if (len >= max_cnt) | |
4031 | goto too_big; | |
2a622bfb | 4032 | |
07bcd98e JS |
4033 | /* Slow-path MBOX MQ */ |
4034 | qp = phba->sli4_hba.mbx_wq; | |
4035 | len = __lpfc_idiag_print_wq(qp, "MBX", pbuffer, len); | |
4036 | if (len >= max_cnt) | |
4037 | goto too_big; | |
2a622bfb | 4038 | |
07bcd98e JS |
4039 | /* Slow-path ELS response CQ */ |
4040 | qp = phba->sli4_hba.els_cq; | |
4041 | len = __lpfc_idiag_print_cq(qp, "ELS", pbuffer, len); | |
4042 | /* Reset max counter */ | |
4043 | if (qp) | |
4044 | qp->CQ_max_cqe = 0; | |
4045 | if (len >= max_cnt) | |
4046 | goto too_big; | |
2a622bfb | 4047 | |
07bcd98e JS |
4048 | /* Slow-path ELS WQ */ |
4049 | qp = phba->sli4_hba.els_wq; | |
4050 | len = __lpfc_idiag_print_wq(qp, "ELS", pbuffer, len); | |
4051 | if (len >= max_cnt) | |
4052 | goto too_big; | |
2a622bfb | 4053 | |
07d494f7 JS |
4054 | qp = phba->sli4_hba.hdr_rq; |
4055 | len = __lpfc_idiag_print_rqpair(qp, phba->sli4_hba.dat_rq, | |
4056 | "ELS RQpair", pbuffer, len); | |
4057 | if (len >= max_cnt) | |
4058 | goto too_big; | |
4059 | ||
895427bd JS |
4060 | /* Slow-path NVME LS response CQ */ |
4061 | qp = phba->sli4_hba.nvmels_cq; | |
4062 | len = __lpfc_idiag_print_cq(qp, "NVME LS", | |
4063 | pbuffer, len); | |
4064 | /* Reset max counter */ | |
4065 | if (qp) | |
4066 | qp->CQ_max_cqe = 0; | |
4067 | if (len >= max_cnt) | |
4068 | goto too_big; | |
4069 | ||
4070 | /* Slow-path NVME LS WQ */ | |
4071 | qp = phba->sli4_hba.nvmels_wq; | |
4072 | len = __lpfc_idiag_print_wq(qp, "NVME LS", | |
4073 | pbuffer, len); | |
4074 | if (len >= max_cnt) | |
4075 | goto too_big; | |
4076 | ||
07bcd98e | 4077 | goto out; |
2a622bfb | 4078 | } |
2a622bfb | 4079 | |
c85a65ac JS |
4080 | spin_unlock_irq(&phba->hbalock); |
4081 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
4082 | ||
4083 | too_big: | |
e7f7b6f3 | 4084 | len += scnprintf(pbuffer + len, |
07bcd98e JS |
4085 | LPFC_QUE_INFO_GET_BUF_SIZE - len, "Truncated ...\n"); |
4086 | out: | |
c85a65ac | 4087 | spin_unlock_irq(&phba->hbalock); |
2a622bfb JS |
4088 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); |
4089 | } | |
4090 | ||
86a80846 JS |
4091 | /** |
4092 | * lpfc_idiag_que_param_check - queue access command parameter sanity check | |
4093 | * @q: The pointer to queue structure. | |
4094 | * @index: The index into a queue entry. | |
4095 | * @count: The number of queue entries to access. | |
4096 | * | |
4097 | * Description: | |
4098 | * The routine performs sanity check on device queue access method commands. | |
4099 | * | |
4100 | * Returns: | |
4101 | * This function returns -EINVAL when fails the sanity check, otherwise, it | |
4102 | * returns 0. | |
4103 | **/ | |
4104 | static int | |
4105 | lpfc_idiag_que_param_check(struct lpfc_queue *q, int index, int count) | |
4106 | { | |
4107 | /* Only support single entry read or browsing */ | |
4108 | if ((count != 1) && (count != LPFC_QUE_ACC_BROWSE)) | |
4109 | return -EINVAL; | |
4110 | if (index > q->entry_count - 1) | |
4111 | return -EINVAL; | |
4112 | return 0; | |
4113 | } | |
4114 | ||
4115 | /** | |
4116 | * lpfc_idiag_queacc_read_qe - read a single entry from the given queue index | |
4117 | * @pbuffer: The pointer to buffer to copy the read data into. | |
4118 | * @pque: The pointer to the queue to be read. | |
4119 | * @index: The index into the queue entry. | |
4120 | * | |
4121 | * Description: | |
4122 | * This routine reads out a single entry from the given queue's index location | |
4123 | * and copies it into the buffer provided. | |
4124 | * | |
4125 | * Returns: | |
4126 | * This function returns 0 when it fails, otherwise, it returns the length of | |
4127 | * the data read into the buffer provided. | |
4128 | **/ | |
4129 | static int | |
4130 | lpfc_idiag_queacc_read_qe(char *pbuffer, int len, struct lpfc_queue *pque, | |
4131 | uint32_t index) | |
4132 | { | |
4133 | int offset, esize; | |
4134 | uint32_t *pentry; | |
4135 | ||
4136 | if (!pbuffer || !pque) | |
4137 | return 0; | |
4138 | ||
4139 | esize = pque->entry_size; | |
e7f7b6f3 | 4140 | len += scnprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, |
86a80846 JS |
4141 | "QE-INDEX[%04d]:\n", index); |
4142 | ||
4143 | offset = 0; | |
9afbee3d | 4144 | pentry = lpfc_sli4_qe(pque, index); |
86a80846 | 4145 | while (esize > 0) { |
e7f7b6f3 | 4146 | len += scnprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, |
86a80846 JS |
4147 | "%08x ", *pentry); |
4148 | pentry++; | |
4149 | offset += sizeof(uint32_t); | |
4150 | esize -= sizeof(uint32_t); | |
4151 | if (esize > 0 && !(offset % (4 * sizeof(uint32_t)))) | |
e7f7b6f3 | 4152 | len += scnprintf(pbuffer+len, |
86a80846 JS |
4153 | LPFC_QUE_ACC_BUF_SIZE-len, "\n"); |
4154 | } | |
e7f7b6f3 | 4155 | len += scnprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, "\n"); |
86a80846 JS |
4156 | |
4157 | return len; | |
4158 | } | |
4159 | ||
4160 | /** | |
4161 | * lpfc_idiag_queacc_read - idiag debugfs read port queue | |
4162 | * @file: The file pointer to read from. | |
4163 | * @buf: The buffer to copy the data to. | |
4164 | * @nbytes: The number of bytes to read. | |
4165 | * @ppos: The position in the file to start reading from. | |
4166 | * | |
4167 | * Description: | |
4168 | * This routine reads data from the @phba device queue memory according to the | |
4169 | * idiag command, and copies to user @buf. Depending on the queue dump read | |
4170 | * command setup, it does either a single queue entry read or browing through | |
4171 | * all entries of the queue. | |
4172 | * | |
4173 | * Returns: | |
4174 | * This function returns the amount of data that was read (this could be less | |
4175 | * than @nbytes if the end of the file was reached) or a negative error value. | |
4176 | **/ | |
4177 | static ssize_t | |
4178 | lpfc_idiag_queacc_read(struct file *file, char __user *buf, size_t nbytes, | |
4179 | loff_t *ppos) | |
4180 | { | |
4181 | struct lpfc_debug *debug = file->private_data; | |
4182 | uint32_t last_index, index, count; | |
4183 | struct lpfc_queue *pque = NULL; | |
4184 | char *pbuffer; | |
4185 | int len = 0; | |
4186 | ||
4187 | /* This is a user read operation */ | |
4188 | debug->op = LPFC_IDIAG_OP_RD; | |
4189 | ||
4190 | if (!debug->buffer) | |
4191 | debug->buffer = kmalloc(LPFC_QUE_ACC_BUF_SIZE, GFP_KERNEL); | |
4192 | if (!debug->buffer) | |
4193 | return 0; | |
4194 | pbuffer = debug->buffer; | |
4195 | ||
4196 | if (*ppos) | |
4197 | return 0; | |
4198 | ||
4199 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) { | |
b76f2dc9 JS |
4200 | index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX]; |
4201 | count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX]; | |
86a80846 JS |
4202 | pque = (struct lpfc_queue *)idiag.ptr_private; |
4203 | } else | |
4204 | return 0; | |
4205 | ||
4206 | /* Browse the queue starting from index */ | |
4207 | if (count == LPFC_QUE_ACC_BROWSE) | |
4208 | goto que_browse; | |
4209 | ||
4210 | /* Read a single entry from the queue */ | |
4211 | len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index); | |
4212 | ||
4213 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
4214 | ||
4215 | que_browse: | |
4216 | ||
4217 | /* Browse all entries from the queue */ | |
4218 | last_index = idiag.offset.last_rd; | |
4219 | index = last_index; | |
4220 | ||
4221 | while (len < LPFC_QUE_ACC_SIZE - pque->entry_size) { | |
4222 | len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index); | |
4223 | index++; | |
4224 | if (index > pque->entry_count - 1) | |
4225 | break; | |
4226 | } | |
4227 | ||
4228 | /* Set up the offset for next portion of pci cfg read */ | |
4229 | if (index > pque->entry_count - 1) | |
4230 | index = 0; | |
4231 | idiag.offset.last_rd = index; | |
4232 | ||
4233 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
4234 | } | |
4235 | ||
4236 | /** | |
4237 | * lpfc_idiag_queacc_write - Syntax check and set up idiag queacc commands | |
4238 | * @file: The file pointer to read from. | |
4239 | * @buf: The buffer to copy the user data from. | |
4240 | * @nbytes: The number of bytes to get. | |
4241 | * @ppos: The position in the file to start reading from. | |
4242 | * | |
4243 | * This routine get the debugfs idiag command struct from user space and then | |
4244 | * perform the syntax check for port queue read (dump) or write (set) command | |
4245 | * accordingly. In the case of port queue read command, it sets up the command | |
4246 | * in the idiag command struct for the following debugfs read operation. In | |
4247 | * the case of port queue write operation, it executes the write operation | |
4248 | * into the port queue entry accordingly. | |
4249 | * | |
4250 | * It returns the @nbytges passing in from debugfs user space when successful. | |
4251 | * In case of error conditions, it returns proper error code back to the user | |
4252 | * space. | |
4253 | **/ | |
4254 | static ssize_t | |
4255 | lpfc_idiag_queacc_write(struct file *file, const char __user *buf, | |
4256 | size_t nbytes, loff_t *ppos) | |
4257 | { | |
4258 | struct lpfc_debug *debug = file->private_data; | |
4259 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
4260 | uint32_t qidx, quetp, queid, index, count, offset, value; | |
4261 | uint32_t *pentry; | |
895427bd | 4262 | struct lpfc_queue *pque, *qp; |
86a80846 JS |
4263 | int rc; |
4264 | ||
4265 | /* This is a user write operation */ | |
4266 | debug->op = LPFC_IDIAG_OP_WR; | |
4267 | ||
4268 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
4269 | if (rc < 0) | |
4270 | return rc; | |
4271 | ||
4272 | /* Get and sanity check on command feilds */ | |
b76f2dc9 JS |
4273 | quetp = idiag.cmd.data[IDIAG_QUEACC_QUETP_INDX]; |
4274 | queid = idiag.cmd.data[IDIAG_QUEACC_QUEID_INDX]; | |
4275 | index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX]; | |
4276 | count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX]; | |
4277 | offset = idiag.cmd.data[IDIAG_QUEACC_OFFST_INDX]; | |
4278 | value = idiag.cmd.data[IDIAG_QUEACC_VALUE_INDX]; | |
86a80846 JS |
4279 | |
4280 | /* Sanity check on command line arguments */ | |
4281 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR || | |
4282 | idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST || | |
4283 | idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) { | |
4284 | if (rc != LPFC_QUE_ACC_WR_CMD_ARG) | |
4285 | goto error_out; | |
4286 | if (count != 1) | |
4287 | goto error_out; | |
4288 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) { | |
4289 | if (rc != LPFC_QUE_ACC_RD_CMD_ARG) | |
4290 | goto error_out; | |
4291 | } else | |
4292 | goto error_out; | |
4293 | ||
4294 | switch (quetp) { | |
4295 | case LPFC_IDIAG_EQ: | |
67d12733 | 4296 | /* HBA event queue */ |
cdb42bec JS |
4297 | if (phba->sli4_hba.hdwq) { |
4298 | for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) { | |
4299 | qp = phba->sli4_hba.hdwq[qidx].hba_eq; | |
895427bd | 4300 | if (qp && qp->queue_id == queid) { |
2e90f4b5 | 4301 | /* Sanity check */ |
895427bd | 4302 | rc = lpfc_idiag_que_param_check(qp, |
86a80846 | 4303 | index, count); |
2e90f4b5 JS |
4304 | if (rc) |
4305 | goto error_out; | |
895427bd | 4306 | idiag.ptr_private = qp; |
2e90f4b5 JS |
4307 | goto pass_check; |
4308 | } | |
86a80846 JS |
4309 | } |
4310 | } | |
4311 | goto error_out; | |
4312 | break; | |
4313 | case LPFC_IDIAG_CQ: | |
4314 | /* MBX complete queue */ | |
2e90f4b5 JS |
4315 | if (phba->sli4_hba.mbx_cq && |
4316 | phba->sli4_hba.mbx_cq->queue_id == queid) { | |
86a80846 JS |
4317 | /* Sanity check */ |
4318 | rc = lpfc_idiag_que_param_check( | |
4319 | phba->sli4_hba.mbx_cq, index, count); | |
4320 | if (rc) | |
4321 | goto error_out; | |
4322 | idiag.ptr_private = phba->sli4_hba.mbx_cq; | |
4323 | goto pass_check; | |
4324 | } | |
4325 | /* ELS complete queue */ | |
2e90f4b5 JS |
4326 | if (phba->sli4_hba.els_cq && |
4327 | phba->sli4_hba.els_cq->queue_id == queid) { | |
86a80846 JS |
4328 | /* Sanity check */ |
4329 | rc = lpfc_idiag_que_param_check( | |
4330 | phba->sli4_hba.els_cq, index, count); | |
4331 | if (rc) | |
4332 | goto error_out; | |
4333 | idiag.ptr_private = phba->sli4_hba.els_cq; | |
4334 | goto pass_check; | |
4335 | } | |
895427bd JS |
4336 | /* NVME LS complete queue */ |
4337 | if (phba->sli4_hba.nvmels_cq && | |
4338 | phba->sli4_hba.nvmels_cq->queue_id == queid) { | |
4339 | /* Sanity check */ | |
4340 | rc = lpfc_idiag_que_param_check( | |
4341 | phba->sli4_hba.nvmels_cq, index, count); | |
4342 | if (rc) | |
4343 | goto error_out; | |
4344 | idiag.ptr_private = phba->sli4_hba.nvmels_cq; | |
4345 | goto pass_check; | |
4346 | } | |
86a80846 | 4347 | /* FCP complete queue */ |
cdb42bec JS |
4348 | if (phba->sli4_hba.hdwq) { |
4349 | for (qidx = 0; qidx < phba->cfg_hdw_queue; | |
895427bd | 4350 | qidx++) { |
cdb42bec | 4351 | qp = phba->sli4_hba.hdwq[qidx].fcp_cq; |
895427bd | 4352 | if (qp && qp->queue_id == queid) { |
2e90f4b5 JS |
4353 | /* Sanity check */ |
4354 | rc = lpfc_idiag_que_param_check( | |
895427bd | 4355 | qp, index, count); |
2e90f4b5 JS |
4356 | if (rc) |
4357 | goto error_out; | |
895427bd | 4358 | idiag.ptr_private = qp; |
2e90f4b5 JS |
4359 | goto pass_check; |
4360 | } | |
895427bd | 4361 | } |
2e90f4b5 | 4362 | } |
bd2cdd5e | 4363 | /* NVME complete queue */ |
cdb42bec | 4364 | if (phba->sli4_hba.hdwq) { |
bd2cdd5e JS |
4365 | qidx = 0; |
4366 | do { | |
cdb42bec JS |
4367 | qp = phba->sli4_hba.hdwq[qidx].nvme_cq; |
4368 | if (qp && qp->queue_id == queid) { | |
bd2cdd5e JS |
4369 | /* Sanity check */ |
4370 | rc = lpfc_idiag_que_param_check( | |
cdb42bec | 4371 | qp, index, count); |
bd2cdd5e JS |
4372 | if (rc) |
4373 | goto error_out; | |
cdb42bec | 4374 | idiag.ptr_private = qp; |
bd2cdd5e JS |
4375 | goto pass_check; |
4376 | } | |
cdb42bec | 4377 | } while (++qidx < phba->cfg_hdw_queue); |
bd2cdd5e | 4378 | } |
86a80846 JS |
4379 | goto error_out; |
4380 | break; | |
4381 | case LPFC_IDIAG_MQ: | |
4382 | /* MBX work queue */ | |
2e90f4b5 JS |
4383 | if (phba->sli4_hba.mbx_wq && |
4384 | phba->sli4_hba.mbx_wq->queue_id == queid) { | |
86a80846 JS |
4385 | /* Sanity check */ |
4386 | rc = lpfc_idiag_que_param_check( | |
4387 | phba->sli4_hba.mbx_wq, index, count); | |
4388 | if (rc) | |
4389 | goto error_out; | |
4390 | idiag.ptr_private = phba->sli4_hba.mbx_wq; | |
4391 | goto pass_check; | |
4392 | } | |
2e90f4b5 | 4393 | goto error_out; |
86a80846 JS |
4394 | break; |
4395 | case LPFC_IDIAG_WQ: | |
4396 | /* ELS work queue */ | |
2e90f4b5 JS |
4397 | if (phba->sli4_hba.els_wq && |
4398 | phba->sli4_hba.els_wq->queue_id == queid) { | |
86a80846 JS |
4399 | /* Sanity check */ |
4400 | rc = lpfc_idiag_que_param_check( | |
4401 | phba->sli4_hba.els_wq, index, count); | |
4402 | if (rc) | |
4403 | goto error_out; | |
4404 | idiag.ptr_private = phba->sli4_hba.els_wq; | |
4405 | goto pass_check; | |
4406 | } | |
895427bd JS |
4407 | /* NVME LS work queue */ |
4408 | if (phba->sli4_hba.nvmels_wq && | |
4409 | phba->sli4_hba.nvmels_wq->queue_id == queid) { | |
4410 | /* Sanity check */ | |
4411 | rc = lpfc_idiag_que_param_check( | |
4412 | phba->sli4_hba.nvmels_wq, index, count); | |
4413 | if (rc) | |
4414 | goto error_out; | |
4415 | idiag.ptr_private = phba->sli4_hba.nvmels_wq; | |
4416 | goto pass_check; | |
4417 | } | |
cdb42bec JS |
4418 | |
4419 | if (phba->sli4_hba.hdwq) { | |
4420 | /* FCP/SCSI work queue */ | |
4421 | for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) { | |
4422 | qp = phba->sli4_hba.hdwq[qidx].fcp_wq; | |
895427bd | 4423 | if (qp && qp->queue_id == queid) { |
2e90f4b5 JS |
4424 | /* Sanity check */ |
4425 | rc = lpfc_idiag_que_param_check( | |
895427bd JS |
4426 | qp, index, count); |
4427 | if (rc) | |
4428 | goto error_out; | |
4429 | idiag.ptr_private = qp; | |
4430 | goto pass_check; | |
4431 | } | |
4432 | } | |
cdb42bec JS |
4433 | /* NVME work queue */ |
4434 | for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) { | |
4435 | qp = phba->sli4_hba.hdwq[qidx].nvme_wq; | |
895427bd JS |
4436 | if (qp && qp->queue_id == queid) { |
4437 | /* Sanity check */ | |
4438 | rc = lpfc_idiag_que_param_check( | |
4439 | qp, index, count); | |
2e90f4b5 JS |
4440 | if (rc) |
4441 | goto error_out; | |
895427bd | 4442 | idiag.ptr_private = qp; |
2e90f4b5 JS |
4443 | goto pass_check; |
4444 | } | |
86a80846 JS |
4445 | } |
4446 | } | |
bd2cdd5e | 4447 | |
86a80846 JS |
4448 | goto error_out; |
4449 | break; | |
4450 | case LPFC_IDIAG_RQ: | |
4451 | /* HDR queue */ | |
2e90f4b5 JS |
4452 | if (phba->sli4_hba.hdr_rq && |
4453 | phba->sli4_hba.hdr_rq->queue_id == queid) { | |
86a80846 JS |
4454 | /* Sanity check */ |
4455 | rc = lpfc_idiag_que_param_check( | |
4456 | phba->sli4_hba.hdr_rq, index, count); | |
4457 | if (rc) | |
4458 | goto error_out; | |
4459 | idiag.ptr_private = phba->sli4_hba.hdr_rq; | |
4460 | goto pass_check; | |
4461 | } | |
4462 | /* DAT queue */ | |
2e90f4b5 JS |
4463 | if (phba->sli4_hba.dat_rq && |
4464 | phba->sli4_hba.dat_rq->queue_id == queid) { | |
86a80846 JS |
4465 | /* Sanity check */ |
4466 | rc = lpfc_idiag_que_param_check( | |
4467 | phba->sli4_hba.dat_rq, index, count); | |
4468 | if (rc) | |
4469 | goto error_out; | |
4470 | idiag.ptr_private = phba->sli4_hba.dat_rq; | |
4471 | goto pass_check; | |
4472 | } | |
4473 | goto error_out; | |
4474 | break; | |
4475 | default: | |
4476 | goto error_out; | |
4477 | break; | |
4478 | } | |
4479 | ||
4480 | pass_check: | |
4481 | ||
4482 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) { | |
4483 | if (count == LPFC_QUE_ACC_BROWSE) | |
4484 | idiag.offset.last_rd = index; | |
4485 | } | |
4486 | ||
4487 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR || | |
4488 | idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST || | |
4489 | idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) { | |
4490 | /* Additional sanity checks on write operation */ | |
4491 | pque = (struct lpfc_queue *)idiag.ptr_private; | |
4492 | if (offset > pque->entry_size/sizeof(uint32_t) - 1) | |
4493 | goto error_out; | |
9afbee3d | 4494 | pentry = lpfc_sli4_qe(pque, index); |
86a80846 JS |
4495 | pentry += offset; |
4496 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR) | |
4497 | *pentry = value; | |
4498 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST) | |
4499 | *pentry |= value; | |
4500 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) | |
4501 | *pentry &= ~value; | |
4502 | } | |
4503 | return nbytes; | |
4504 | ||
4505 | error_out: | |
4506 | /* Clean out command structure on command error out */ | |
4507 | memset(&idiag, 0, sizeof(idiag)); | |
4508 | return -EINVAL; | |
4509 | } | |
4510 | ||
4511 | /** | |
4512 | * lpfc_idiag_drbacc_read_reg - idiag debugfs read a doorbell register | |
4513 | * @phba: The pointer to hba structure. | |
4514 | * @pbuffer: The pointer to the buffer to copy the data to. | |
92684bfc | 4515 | * @len: The length of bytes to copied. |
86a80846 JS |
4516 | * @drbregid: The id to doorbell registers. |
4517 | * | |
4518 | * Description: | |
4519 | * This routine reads a doorbell register and copies its content to the | |
4520 | * user buffer pointed to by @pbuffer. | |
4521 | * | |
4522 | * Returns: | |
4523 | * This function returns the amount of data that was copied into @pbuffer. | |
4524 | **/ | |
4525 | static int | |
4526 | lpfc_idiag_drbacc_read_reg(struct lpfc_hba *phba, char *pbuffer, | |
4527 | int len, uint32_t drbregid) | |
4528 | { | |
4529 | ||
4530 | if (!pbuffer) | |
4531 | return 0; | |
4532 | ||
4533 | switch (drbregid) { | |
9dd35425 | 4534 | case LPFC_DRB_EQ: |
e7f7b6f3 | 4535 | len += scnprintf(pbuffer + len, LPFC_DRB_ACC_BUF_SIZE-len, |
9dd35425 JS |
4536 | "EQ-DRB-REG: 0x%08x\n", |
4537 | readl(phba->sli4_hba.EQDBregaddr)); | |
4538 | break; | |
4539 | case LPFC_DRB_CQ: | |
e7f7b6f3 | 4540 | len += scnprintf(pbuffer + len, LPFC_DRB_ACC_BUF_SIZE - len, |
9dd35425 JS |
4541 | "CQ-DRB-REG: 0x%08x\n", |
4542 | readl(phba->sli4_hba.CQDBregaddr)); | |
86a80846 JS |
4543 | break; |
4544 | case LPFC_DRB_MQ: | |
e7f7b6f3 | 4545 | len += scnprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len, |
86a80846 JS |
4546 | "MQ-DRB-REG: 0x%08x\n", |
4547 | readl(phba->sli4_hba.MQDBregaddr)); | |
4548 | break; | |
4549 | case LPFC_DRB_WQ: | |
e7f7b6f3 | 4550 | len += scnprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len, |
86a80846 JS |
4551 | "WQ-DRB-REG: 0x%08x\n", |
4552 | readl(phba->sli4_hba.WQDBregaddr)); | |
4553 | break; | |
4554 | case LPFC_DRB_RQ: | |
e7f7b6f3 | 4555 | len += scnprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len, |
86a80846 JS |
4556 | "RQ-DRB-REG: 0x%08x\n", |
4557 | readl(phba->sli4_hba.RQDBregaddr)); | |
4558 | break; | |
4559 | default: | |
4560 | break; | |
4561 | } | |
4562 | ||
4563 | return len; | |
4564 | } | |
4565 | ||
4566 | /** | |
4567 | * lpfc_idiag_drbacc_read - idiag debugfs read port doorbell | |
4568 | * @file: The file pointer to read from. | |
4569 | * @buf: The buffer to copy the data to. | |
4570 | * @nbytes: The number of bytes to read. | |
4571 | * @ppos: The position in the file to start reading from. | |
4572 | * | |
4573 | * Description: | |
4574 | * This routine reads data from the @phba device doorbell register according | |
4575 | * to the idiag command, and copies to user @buf. Depending on the doorbell | |
4576 | * register read command setup, it does either a single doorbell register | |
4577 | * read or dump all doorbell registers. | |
4578 | * | |
4579 | * Returns: | |
4580 | * This function returns the amount of data that was read (this could be less | |
4581 | * than @nbytes if the end of the file was reached) or a negative error value. | |
4582 | **/ | |
4583 | static ssize_t | |
4584 | lpfc_idiag_drbacc_read(struct file *file, char __user *buf, size_t nbytes, | |
4585 | loff_t *ppos) | |
4586 | { | |
4587 | struct lpfc_debug *debug = file->private_data; | |
4588 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
4589 | uint32_t drb_reg_id, i; | |
4590 | char *pbuffer; | |
4591 | int len = 0; | |
4592 | ||
4593 | /* This is a user read operation */ | |
4594 | debug->op = LPFC_IDIAG_OP_RD; | |
4595 | ||
4596 | if (!debug->buffer) | |
4597 | debug->buffer = kmalloc(LPFC_DRB_ACC_BUF_SIZE, GFP_KERNEL); | |
4598 | if (!debug->buffer) | |
4599 | return 0; | |
4600 | pbuffer = debug->buffer; | |
4601 | ||
4602 | if (*ppos) | |
4603 | return 0; | |
4604 | ||
4605 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD) | |
b76f2dc9 | 4606 | drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX]; |
86a80846 JS |
4607 | else |
4608 | return 0; | |
4609 | ||
4610 | if (drb_reg_id == LPFC_DRB_ACC_ALL) | |
4611 | for (i = 1; i <= LPFC_DRB_MAX; i++) | |
4612 | len = lpfc_idiag_drbacc_read_reg(phba, | |
4613 | pbuffer, len, i); | |
4614 | else | |
4615 | len = lpfc_idiag_drbacc_read_reg(phba, | |
4616 | pbuffer, len, drb_reg_id); | |
4617 | ||
4618 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
4619 | } | |
4620 | ||
4621 | /** | |
4622 | * lpfc_idiag_drbacc_write - Syntax check and set up idiag drbacc commands | |
4623 | * @file: The file pointer to read from. | |
4624 | * @buf: The buffer to copy the user data from. | |
4625 | * @nbytes: The number of bytes to get. | |
4626 | * @ppos: The position in the file to start reading from. | |
4627 | * | |
4628 | * This routine get the debugfs idiag command struct from user space and then | |
4629 | * perform the syntax check for port doorbell register read (dump) or write | |
4630 | * (set) command accordingly. In the case of port queue read command, it sets | |
4631 | * up the command in the idiag command struct for the following debugfs read | |
4632 | * operation. In the case of port doorbell register write operation, it | |
4633 | * executes the write operation into the port doorbell register accordingly. | |
4634 | * | |
4635 | * It returns the @nbytges passing in from debugfs user space when successful. | |
4636 | * In case of error conditions, it returns proper error code back to the user | |
4637 | * space. | |
4638 | **/ | |
4639 | static ssize_t | |
4640 | lpfc_idiag_drbacc_write(struct file *file, const char __user *buf, | |
4641 | size_t nbytes, loff_t *ppos) | |
4642 | { | |
4643 | struct lpfc_debug *debug = file->private_data; | |
4644 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
b76f2dc9 | 4645 | uint32_t drb_reg_id, value, reg_val = 0; |
86a80846 JS |
4646 | void __iomem *drb_reg; |
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 | /* Sanity check on command line arguments */ | |
b76f2dc9 JS |
4657 | drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX]; |
4658 | value = idiag.cmd.data[IDIAG_DRBACC_VALUE_INDX]; | |
86a80846 JS |
4659 | |
4660 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR || | |
4661 | idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST || | |
4662 | idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) { | |
4663 | if (rc != LPFC_DRB_ACC_WR_CMD_ARG) | |
4664 | goto error_out; | |
4665 | if (drb_reg_id > LPFC_DRB_MAX) | |
4666 | goto error_out; | |
4667 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD) { | |
4668 | if (rc != LPFC_DRB_ACC_RD_CMD_ARG) | |
4669 | goto error_out; | |
4670 | if ((drb_reg_id > LPFC_DRB_MAX) && | |
4671 | (drb_reg_id != LPFC_DRB_ACC_ALL)) | |
4672 | goto error_out; | |
4673 | } else | |
4674 | goto error_out; | |
4675 | ||
4676 | /* Perform the write access operation */ | |
4677 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR || | |
4678 | idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST || | |
4679 | idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) { | |
4680 | switch (drb_reg_id) { | |
9dd35425 JS |
4681 | case LPFC_DRB_EQ: |
4682 | drb_reg = phba->sli4_hba.EQDBregaddr; | |
4683 | break; | |
4684 | case LPFC_DRB_CQ: | |
4685 | drb_reg = phba->sli4_hba.CQDBregaddr; | |
86a80846 JS |
4686 | break; |
4687 | case LPFC_DRB_MQ: | |
4688 | drb_reg = phba->sli4_hba.MQDBregaddr; | |
4689 | break; | |
4690 | case LPFC_DRB_WQ: | |
4691 | drb_reg = phba->sli4_hba.WQDBregaddr; | |
4692 | break; | |
4693 | case LPFC_DRB_RQ: | |
4694 | drb_reg = phba->sli4_hba.RQDBregaddr; | |
4695 | break; | |
4696 | default: | |
4697 | goto error_out; | |
4698 | } | |
4699 | ||
4700 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR) | |
4701 | reg_val = value; | |
4702 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST) { | |
4703 | reg_val = readl(drb_reg); | |
4704 | reg_val |= value; | |
4705 | } | |
4706 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) { | |
4707 | reg_val = readl(drb_reg); | |
4708 | reg_val &= ~value; | |
4709 | } | |
4710 | writel(reg_val, drb_reg); | |
4711 | readl(drb_reg); /* flush */ | |
4712 | } | |
4713 | return nbytes; | |
4714 | ||
4715 | error_out: | |
4716 | /* Clean out command structure on command error out */ | |
4717 | memset(&idiag, 0, sizeof(idiag)); | |
4718 | return -EINVAL; | |
4719 | } | |
4720 | ||
b76f2dc9 JS |
4721 | /** |
4722 | * lpfc_idiag_ctlacc_read_reg - idiag debugfs read a control registers | |
4723 | * @phba: The pointer to hba structure. | |
4724 | * @pbuffer: The pointer to the buffer to copy the data to. | |
92684bfc | 4725 | * @len: The length of bytes to copied. |
b76f2dc9 JS |
4726 | * @drbregid: The id to doorbell registers. |
4727 | * | |
4728 | * Description: | |
4729 | * This routine reads a control register and copies its content to the | |
4730 | * user buffer pointed to by @pbuffer. | |
4731 | * | |
4732 | * Returns: | |
4733 | * This function returns the amount of data that was copied into @pbuffer. | |
4734 | **/ | |
4735 | static int | |
4736 | lpfc_idiag_ctlacc_read_reg(struct lpfc_hba *phba, char *pbuffer, | |
4737 | int len, uint32_t ctlregid) | |
4738 | { | |
858c9f6c | 4739 | |
b76f2dc9 JS |
4740 | if (!pbuffer) |
4741 | return 0; | |
858c9f6c | 4742 | |
b76f2dc9 JS |
4743 | switch (ctlregid) { |
4744 | case LPFC_CTL_PORT_SEM: | |
e7f7b6f3 | 4745 | len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
4746 | "Port SemReg: 0x%08x\n", |
4747 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
4748 | LPFC_CTL_PORT_SEM_OFFSET)); | |
4749 | break; | |
4750 | case LPFC_CTL_PORT_STA: | |
e7f7b6f3 | 4751 | len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
4752 | "Port StaReg: 0x%08x\n", |
4753 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
4754 | LPFC_CTL_PORT_STA_OFFSET)); | |
4755 | break; | |
4756 | case LPFC_CTL_PORT_CTL: | |
e7f7b6f3 | 4757 | len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
4758 | "Port CtlReg: 0x%08x\n", |
4759 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
4760 | LPFC_CTL_PORT_CTL_OFFSET)); | |
4761 | break; | |
4762 | case LPFC_CTL_PORT_ER1: | |
e7f7b6f3 | 4763 | len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
4764 | "Port Er1Reg: 0x%08x\n", |
4765 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
4766 | LPFC_CTL_PORT_ER1_OFFSET)); | |
4767 | break; | |
4768 | case LPFC_CTL_PORT_ER2: | |
e7f7b6f3 | 4769 | len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
4770 | "Port Er2Reg: 0x%08x\n", |
4771 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
4772 | LPFC_CTL_PORT_ER2_OFFSET)); | |
4773 | break; | |
4774 | case LPFC_CTL_PDEV_CTL: | |
e7f7b6f3 | 4775 | len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
4776 | "PDev CtlReg: 0x%08x\n", |
4777 | readl(phba->sli4_hba.conf_regs_memmap_p + | |
4778 | LPFC_CTL_PDEV_CTL_OFFSET)); | |
4779 | break; | |
4780 | default: | |
4781 | break; | |
4782 | } | |
4783 | return len; | |
4784 | } | |
78b2d852 | 4785 | |
b76f2dc9 JS |
4786 | /** |
4787 | * lpfc_idiag_ctlacc_read - idiag debugfs read port and device control register | |
4788 | * @file: The file pointer to read from. | |
4789 | * @buf: The buffer to copy the data to. | |
4790 | * @nbytes: The number of bytes to read. | |
4791 | * @ppos: The position in the file to start reading from. | |
4792 | * | |
4793 | * Description: | |
4794 | * This routine reads data from the @phba port and device registers according | |
4795 | * to the idiag command, and copies to user @buf. | |
4796 | * | |
4797 | * Returns: | |
4798 | * This function returns the amount of data that was read (this could be less | |
4799 | * than @nbytes if the end of the file was reached) or a negative error value. | |
4800 | **/ | |
4801 | static ssize_t | |
4802 | lpfc_idiag_ctlacc_read(struct file *file, char __user *buf, size_t nbytes, | |
4803 | loff_t *ppos) | |
4804 | { | |
4805 | struct lpfc_debug *debug = file->private_data; | |
4806 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
4807 | uint32_t ctl_reg_id, i; | |
4808 | char *pbuffer; | |
4809 | int len = 0; | |
c95d6c6c | 4810 | |
b76f2dc9 JS |
4811 | /* This is a user read operation */ |
4812 | debug->op = LPFC_IDIAG_OP_RD; | |
a58cbd52 | 4813 | |
b76f2dc9 JS |
4814 | if (!debug->buffer) |
4815 | debug->buffer = kmalloc(LPFC_CTL_ACC_BUF_SIZE, GFP_KERNEL); | |
4816 | if (!debug->buffer) | |
4817 | return 0; | |
4818 | pbuffer = debug->buffer; | |
e2a0a9d6 | 4819 | |
b76f2dc9 JS |
4820 | if (*ppos) |
4821 | return 0; | |
4822 | ||
4823 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD) | |
4824 | ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX]; | |
4825 | else | |
4826 | return 0; | |
4827 | ||
4828 | if (ctl_reg_id == LPFC_CTL_ACC_ALL) | |
4829 | for (i = 1; i <= LPFC_CTL_MAX; i++) | |
4830 | len = lpfc_idiag_ctlacc_read_reg(phba, | |
4831 | pbuffer, len, i); | |
4832 | else | |
4833 | len = lpfc_idiag_ctlacc_read_reg(phba, | |
4834 | pbuffer, len, ctl_reg_id); | |
4835 | ||
4836 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
4837 | } | |
4838 | ||
4839 | /** | |
4840 | * lpfc_idiag_ctlacc_write - Syntax check and set up idiag ctlacc commands | |
4841 | * @file: The file pointer to read from. | |
4842 | * @buf: The buffer to copy the user data from. | |
4843 | * @nbytes: The number of bytes to get. | |
4844 | * @ppos: The position in the file to start reading from. | |
4845 | * | |
4846 | * This routine get the debugfs idiag command struct from user space and then | |
4847 | * perform the syntax check for port and device control register read (dump) | |
4848 | * or write (set) command accordingly. | |
4849 | * | |
4850 | * It returns the @nbytges passing in from debugfs user space when successful. | |
4851 | * In case of error conditions, it returns proper error code back to the user | |
4852 | * space. | |
4853 | **/ | |
4854 | static ssize_t | |
4855 | lpfc_idiag_ctlacc_write(struct file *file, const char __user *buf, | |
4856 | size_t nbytes, loff_t *ppos) | |
4857 | { | |
4858 | struct lpfc_debug *debug = file->private_data; | |
4859 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
4860 | uint32_t ctl_reg_id, value, reg_val = 0; | |
4861 | void __iomem *ctl_reg; | |
4862 | int rc; | |
4863 | ||
4864 | /* This is a user write operation */ | |
4865 | debug->op = LPFC_IDIAG_OP_WR; | |
4866 | ||
4867 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
4868 | if (rc < 0) | |
4869 | return rc; | |
4870 | ||
4871 | /* Sanity check on command line arguments */ | |
4872 | ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX]; | |
4873 | value = idiag.cmd.data[IDIAG_CTLACC_VALUE_INDX]; | |
4874 | ||
4875 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR || | |
4876 | idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST || | |
4877 | idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) { | |
4878 | if (rc != LPFC_CTL_ACC_WR_CMD_ARG) | |
4879 | goto error_out; | |
4880 | if (ctl_reg_id > LPFC_CTL_MAX) | |
4881 | goto error_out; | |
4882 | } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD) { | |
4883 | if (rc != LPFC_CTL_ACC_RD_CMD_ARG) | |
4884 | goto error_out; | |
4885 | if ((ctl_reg_id > LPFC_CTL_MAX) && | |
4886 | (ctl_reg_id != LPFC_CTL_ACC_ALL)) | |
4887 | goto error_out; | |
4888 | } else | |
4889 | goto error_out; | |
4890 | ||
4891 | /* Perform the write access operation */ | |
4892 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR || | |
4893 | idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST || | |
4894 | idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) { | |
4895 | switch (ctl_reg_id) { | |
4896 | case LPFC_CTL_PORT_SEM: | |
4897 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
4898 | LPFC_CTL_PORT_SEM_OFFSET; | |
4899 | break; | |
4900 | case LPFC_CTL_PORT_STA: | |
4901 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
4902 | LPFC_CTL_PORT_STA_OFFSET; | |
4903 | break; | |
4904 | case LPFC_CTL_PORT_CTL: | |
4905 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
4906 | LPFC_CTL_PORT_CTL_OFFSET; | |
4907 | break; | |
4908 | case LPFC_CTL_PORT_ER1: | |
4909 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
4910 | LPFC_CTL_PORT_ER1_OFFSET; | |
4911 | break; | |
4912 | case LPFC_CTL_PORT_ER2: | |
4913 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
4914 | LPFC_CTL_PORT_ER2_OFFSET; | |
4915 | break; | |
4916 | case LPFC_CTL_PDEV_CTL: | |
4917 | ctl_reg = phba->sli4_hba.conf_regs_memmap_p + | |
4918 | LPFC_CTL_PDEV_CTL_OFFSET; | |
4919 | break; | |
4920 | default: | |
4921 | goto error_out; | |
4922 | } | |
4923 | ||
4924 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR) | |
4925 | reg_val = value; | |
4926 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST) { | |
4927 | reg_val = readl(ctl_reg); | |
4928 | reg_val |= value; | |
4929 | } | |
4930 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) { | |
4931 | reg_val = readl(ctl_reg); | |
4932 | reg_val &= ~value; | |
4933 | } | |
4934 | writel(reg_val, ctl_reg); | |
4935 | readl(ctl_reg); /* flush */ | |
4936 | } | |
4937 | return nbytes; | |
4938 | ||
4939 | error_out: | |
4940 | /* Clean out command structure on command error out */ | |
4941 | memset(&idiag, 0, sizeof(idiag)); | |
4942 | return -EINVAL; | |
4943 | } | |
4944 | ||
4945 | /** | |
4946 | * lpfc_idiag_mbxacc_get_setup - idiag debugfs get mailbox access setup | |
4947 | * @phba: Pointer to HBA context object. | |
4948 | * @pbuffer: Pointer to data buffer. | |
4949 | * | |
4950 | * Description: | |
4951 | * This routine gets the driver mailbox access debugfs setup information. | |
4952 | * | |
4953 | * Returns: | |
4954 | * This function returns the amount of data that was read (this could be less | |
4955 | * than @nbytes if the end of the file was reached) or a negative error value. | |
4956 | **/ | |
4957 | static int | |
4958 | lpfc_idiag_mbxacc_get_setup(struct lpfc_hba *phba, char *pbuffer) | |
4959 | { | |
4960 | uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd; | |
4961 | int len = 0; | |
4962 | ||
4963 | mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX]; | |
4964 | mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX]; | |
4965 | mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX]; | |
4966 | mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX]; | |
4967 | ||
e7f7b6f3 | 4968 | len += scnprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len, |
b76f2dc9 | 4969 | "mbx_dump_map: 0x%08x\n", mbx_dump_map); |
e7f7b6f3 | 4970 | len += scnprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len, |
b76f2dc9 | 4971 | "mbx_dump_cnt: %04d\n", mbx_dump_cnt); |
e7f7b6f3 | 4972 | len += scnprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len, |
b76f2dc9 | 4973 | "mbx_word_cnt: %04d\n", mbx_word_cnt); |
e7f7b6f3 | 4974 | len += scnprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
4975 | "mbx_mbox_cmd: 0x%02x\n", mbx_mbox_cmd); |
4976 | ||
4977 | return len; | |
4978 | } | |
4979 | ||
4980 | /** | |
4981 | * lpfc_idiag_mbxacc_read - idiag debugfs read on mailbox access | |
4982 | * @file: The file pointer to read from. | |
4983 | * @buf: The buffer to copy the data to. | |
4984 | * @nbytes: The number of bytes to read. | |
4985 | * @ppos: The position in the file to start reading from. | |
4986 | * | |
4987 | * Description: | |
4988 | * This routine reads data from the @phba driver mailbox access debugfs setup | |
4989 | * information. | |
4990 | * | |
4991 | * Returns: | |
4992 | * This function returns the amount of data that was read (this could be less | |
4993 | * than @nbytes if the end of the file was reached) or a negative error value. | |
4994 | **/ | |
4995 | static ssize_t | |
4996 | lpfc_idiag_mbxacc_read(struct file *file, char __user *buf, size_t nbytes, | |
4997 | loff_t *ppos) | |
4998 | { | |
4999 | struct lpfc_debug *debug = file->private_data; | |
5000 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
5001 | char *pbuffer; | |
5002 | int len = 0; | |
5003 | ||
5004 | /* This is a user read operation */ | |
5005 | debug->op = LPFC_IDIAG_OP_RD; | |
5006 | ||
5007 | if (!debug->buffer) | |
5008 | debug->buffer = kmalloc(LPFC_MBX_ACC_BUF_SIZE, GFP_KERNEL); | |
5009 | if (!debug->buffer) | |
5010 | return 0; | |
5011 | pbuffer = debug->buffer; | |
5012 | ||
5013 | if (*ppos) | |
5014 | return 0; | |
5015 | ||
5016 | if ((idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP) && | |
5017 | (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP)) | |
5018 | return 0; | |
5019 | ||
5020 | len = lpfc_idiag_mbxacc_get_setup(phba, pbuffer); | |
5021 | ||
5022 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
5023 | } | |
5024 | ||
5025 | /** | |
5026 | * lpfc_idiag_mbxacc_write - Syntax check and set up idiag mbxacc commands | |
5027 | * @file: The file pointer to read from. | |
5028 | * @buf: The buffer to copy the user data from. | |
5029 | * @nbytes: The number of bytes to get. | |
5030 | * @ppos: The position in the file to start reading from. | |
5031 | * | |
5032 | * This routine get the debugfs idiag command struct from user space and then | |
5033 | * perform the syntax check for driver mailbox command (dump) and sets up the | |
5034 | * necessary states in the idiag command struct accordingly. | |
5035 | * | |
5036 | * It returns the @nbytges passing in from debugfs user space when successful. | |
5037 | * In case of error conditions, it returns proper error code back to the user | |
5038 | * space. | |
5039 | **/ | |
5040 | static ssize_t | |
5041 | lpfc_idiag_mbxacc_write(struct file *file, const char __user *buf, | |
5042 | size_t nbytes, loff_t *ppos) | |
5043 | { | |
5044 | struct lpfc_debug *debug = file->private_data; | |
5045 | uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd; | |
5046 | int rc; | |
5047 | ||
5048 | /* This is a user write operation */ | |
5049 | debug->op = LPFC_IDIAG_OP_WR; | |
5050 | ||
5051 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
5052 | if (rc < 0) | |
5053 | return rc; | |
5054 | ||
5055 | /* Sanity check on command line arguments */ | |
5056 | mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX]; | |
5057 | mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX]; | |
5058 | mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX]; | |
5059 | mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX]; | |
5060 | ||
5061 | if (idiag.cmd.opcode == LPFC_IDIAG_CMD_MBXACC_DP) { | |
5062 | if (!(mbx_dump_map & LPFC_MBX_DMP_MBX_ALL)) | |
5063 | goto error_out; | |
5064 | if ((mbx_dump_map & ~LPFC_MBX_DMP_MBX_ALL) && | |
5065 | (mbx_dump_map != LPFC_MBX_DMP_ALL)) | |
5066 | goto error_out; | |
5067 | if (mbx_word_cnt > sizeof(MAILBOX_t)) | |
5068 | goto error_out; | |
5069 | } else if (idiag.cmd.opcode == LPFC_IDIAG_BSG_MBXACC_DP) { | |
5070 | if (!(mbx_dump_map & LPFC_BSG_DMP_MBX_ALL)) | |
5071 | goto error_out; | |
5072 | if ((mbx_dump_map & ~LPFC_BSG_DMP_MBX_ALL) && | |
5073 | (mbx_dump_map != LPFC_MBX_DMP_ALL)) | |
5074 | goto error_out; | |
5075 | if (mbx_word_cnt > (BSG_MBOX_SIZE)/4) | |
5076 | goto error_out; | |
5077 | if (mbx_mbox_cmd != 0x9b) | |
5078 | goto error_out; | |
5079 | } else | |
5080 | goto error_out; | |
5081 | ||
5082 | if (mbx_word_cnt == 0) | |
5083 | goto error_out; | |
5084 | if (rc != LPFC_MBX_DMP_ARG) | |
5085 | goto error_out; | |
5086 | if (mbx_mbox_cmd & ~0xff) | |
5087 | goto error_out; | |
5088 | ||
5089 | /* condition for stop mailbox dump */ | |
5090 | if (mbx_dump_cnt == 0) | |
5091 | goto reset_out; | |
5092 | ||
5093 | return nbytes; | |
5094 | ||
5095 | reset_out: | |
5096 | /* Clean out command structure on command error out */ | |
5097 | memset(&idiag, 0, sizeof(idiag)); | |
5098 | return nbytes; | |
5099 | ||
5100 | error_out: | |
5101 | /* Clean out command structure on command error out */ | |
5102 | memset(&idiag, 0, sizeof(idiag)); | |
5103 | return -EINVAL; | |
5104 | } | |
5105 | ||
5106 | /** | |
5107 | * lpfc_idiag_extacc_avail_get - get the available extents information | |
5108 | * @phba: pointer to lpfc hba data structure. | |
5109 | * @pbuffer: pointer to internal buffer. | |
5110 | * @len: length into the internal buffer data has been copied. | |
5111 | * | |
5112 | * Description: | |
5113 | * This routine is to get the available extent information. | |
5114 | * | |
5115 | * Returns: | |
5116 | * overall lenth of the data read into the internal buffer. | |
5117 | **/ | |
5118 | static int | |
5119 | lpfc_idiag_extacc_avail_get(struct lpfc_hba *phba, char *pbuffer, int len) | |
5120 | { | |
5121 | uint16_t ext_cnt, ext_size; | |
5122 | ||
e7f7b6f3 | 5123 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5124 | "\nAvailable Extents Information:\n"); |
5125 | ||
e7f7b6f3 | 5126 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5127 | "\tPort Available VPI extents: "); |
5128 | lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VPI, | |
5129 | &ext_cnt, &ext_size); | |
e7f7b6f3 | 5130 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5131 | "Count %3d, Size %3d\n", ext_cnt, ext_size); |
5132 | ||
e7f7b6f3 | 5133 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5134 | "\tPort Available VFI extents: "); |
5135 | lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VFI, | |
5136 | &ext_cnt, &ext_size); | |
e7f7b6f3 | 5137 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5138 | "Count %3d, Size %3d\n", ext_cnt, ext_size); |
5139 | ||
e7f7b6f3 | 5140 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5141 | "\tPort Available RPI extents: "); |
5142 | lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_RPI, | |
5143 | &ext_cnt, &ext_size); | |
e7f7b6f3 | 5144 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5145 | "Count %3d, Size %3d\n", ext_cnt, ext_size); |
5146 | ||
e7f7b6f3 | 5147 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5148 | "\tPort Available XRI extents: "); |
5149 | lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_XRI, | |
5150 | &ext_cnt, &ext_size); | |
e7f7b6f3 | 5151 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5152 | "Count %3d, Size %3d\n", ext_cnt, ext_size); |
5153 | ||
5154 | return len; | |
5155 | } | |
5156 | ||
5157 | /** | |
5158 | * lpfc_idiag_extacc_alloc_get - get the allocated extents information | |
5159 | * @phba: pointer to lpfc hba data structure. | |
5160 | * @pbuffer: pointer to internal buffer. | |
5161 | * @len: length into the internal buffer data has been copied. | |
5162 | * | |
5163 | * Description: | |
5164 | * This routine is to get the allocated extent information. | |
5165 | * | |
5166 | * Returns: | |
5167 | * overall lenth of the data read into the internal buffer. | |
5168 | **/ | |
5169 | static int | |
5170 | lpfc_idiag_extacc_alloc_get(struct lpfc_hba *phba, char *pbuffer, int len) | |
5171 | { | |
5172 | uint16_t ext_cnt, ext_size; | |
5173 | int rc; | |
5174 | ||
e7f7b6f3 | 5175 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5176 | "\nAllocated Extents Information:\n"); |
5177 | ||
e7f7b6f3 | 5178 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5179 | "\tHost Allocated VPI extents: "); |
5180 | rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VPI, | |
5181 | &ext_cnt, &ext_size); | |
5182 | if (!rc) | |
e7f7b6f3 | 5183 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5184 | "Port %d Extent %3d, Size %3d\n", |
5185 | phba->brd_no, ext_cnt, ext_size); | |
5186 | else | |
e7f7b6f3 | 5187 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5188 | "N/A\n"); |
5189 | ||
e7f7b6f3 | 5190 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5191 | "\tHost Allocated VFI extents: "); |
5192 | rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VFI, | |
5193 | &ext_cnt, &ext_size); | |
5194 | if (!rc) | |
e7f7b6f3 | 5195 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5196 | "Port %d Extent %3d, Size %3d\n", |
5197 | phba->brd_no, ext_cnt, ext_size); | |
5198 | else | |
e7f7b6f3 | 5199 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5200 | "N/A\n"); |
5201 | ||
e7f7b6f3 | 5202 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5203 | "\tHost Allocated RPI extents: "); |
5204 | rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_RPI, | |
5205 | &ext_cnt, &ext_size); | |
5206 | if (!rc) | |
e7f7b6f3 | 5207 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5208 | "Port %d Extent %3d, Size %3d\n", |
5209 | phba->brd_no, ext_cnt, ext_size); | |
5210 | else | |
e7f7b6f3 | 5211 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5212 | "N/A\n"); |
5213 | ||
e7f7b6f3 | 5214 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5215 | "\tHost Allocated XRI extents: "); |
5216 | rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_XRI, | |
5217 | &ext_cnt, &ext_size); | |
5218 | if (!rc) | |
e7f7b6f3 | 5219 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5220 | "Port %d Extent %3d, Size %3d\n", |
5221 | phba->brd_no, ext_cnt, ext_size); | |
5222 | else | |
e7f7b6f3 | 5223 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5224 | "N/A\n"); |
5225 | ||
5226 | return len; | |
5227 | } | |
5228 | ||
5229 | /** | |
5230 | * lpfc_idiag_extacc_drivr_get - get driver extent information | |
5231 | * @phba: pointer to lpfc hba data structure. | |
5232 | * @pbuffer: pointer to internal buffer. | |
5233 | * @len: length into the internal buffer data has been copied. | |
5234 | * | |
5235 | * Description: | |
5236 | * This routine is to get the driver extent information. | |
5237 | * | |
5238 | * Returns: | |
5239 | * overall lenth of the data read into the internal buffer. | |
5240 | **/ | |
5241 | static int | |
5242 | lpfc_idiag_extacc_drivr_get(struct lpfc_hba *phba, char *pbuffer, int len) | |
5243 | { | |
5244 | struct lpfc_rsrc_blks *rsrc_blks; | |
5245 | int index; | |
5246 | ||
e7f7b6f3 | 5247 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5248 | "\nDriver Extents Information:\n"); |
5249 | ||
e7f7b6f3 | 5250 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5251 | "\tVPI extents:\n"); |
5252 | index = 0; | |
5253 | list_for_each_entry(rsrc_blks, &phba->lpfc_vpi_blk_list, list) { | |
e7f7b6f3 | 5254 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5255 | "\t\tBlock %3d: Start %4d, Count %4d\n", |
5256 | index, rsrc_blks->rsrc_start, | |
5257 | rsrc_blks->rsrc_size); | |
5258 | index++; | |
5259 | } | |
e7f7b6f3 | 5260 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5261 | "\tVFI extents:\n"); |
5262 | index = 0; | |
5263 | list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_vfi_blk_list, | |
5264 | list) { | |
e7f7b6f3 | 5265 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5266 | "\t\tBlock %3d: Start %4d, Count %4d\n", |
5267 | index, rsrc_blks->rsrc_start, | |
5268 | rsrc_blks->rsrc_size); | |
5269 | index++; | |
5270 | } | |
5271 | ||
e7f7b6f3 | 5272 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5273 | "\tRPI extents:\n"); |
5274 | index = 0; | |
5275 | list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_rpi_blk_list, | |
5276 | list) { | |
e7f7b6f3 | 5277 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5278 | "\t\tBlock %3d: Start %4d, Count %4d\n", |
5279 | index, rsrc_blks->rsrc_start, | |
5280 | rsrc_blks->rsrc_size); | |
5281 | index++; | |
5282 | } | |
5283 | ||
e7f7b6f3 | 5284 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5285 | "\tXRI extents:\n"); |
5286 | index = 0; | |
5287 | list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_xri_blk_list, | |
5288 | list) { | |
e7f7b6f3 | 5289 | len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len, |
b76f2dc9 JS |
5290 | "\t\tBlock %3d: Start %4d, Count %4d\n", |
5291 | index, rsrc_blks->rsrc_start, | |
5292 | rsrc_blks->rsrc_size); | |
5293 | index++; | |
5294 | } | |
5295 | ||
5296 | return len; | |
5297 | } | |
5298 | ||
5299 | /** | |
5300 | * lpfc_idiag_extacc_write - Syntax check and set up idiag extacc commands | |
5301 | * @file: The file pointer to read from. | |
5302 | * @buf: The buffer to copy the user data from. | |
5303 | * @nbytes: The number of bytes to get. | |
5304 | * @ppos: The position in the file to start reading from. | |
5305 | * | |
5306 | * This routine get the debugfs idiag command struct from user space and then | |
5307 | * perform the syntax check for extent information access commands and sets | |
5308 | * up the necessary states in the idiag command struct accordingly. | |
5309 | * | |
5310 | * It returns the @nbytges passing in from debugfs user space when successful. | |
5311 | * In case of error conditions, it returns proper error code back to the user | |
5312 | * space. | |
5313 | **/ | |
5314 | static ssize_t | |
5315 | lpfc_idiag_extacc_write(struct file *file, const char __user *buf, | |
5316 | size_t nbytes, loff_t *ppos) | |
5317 | { | |
5318 | struct lpfc_debug *debug = file->private_data; | |
5319 | uint32_t ext_map; | |
5320 | int rc; | |
5321 | ||
5322 | /* This is a user write operation */ | |
5323 | debug->op = LPFC_IDIAG_OP_WR; | |
5324 | ||
5325 | rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd); | |
5326 | if (rc < 0) | |
5327 | return rc; | |
5328 | ||
5329 | ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX]; | |
5330 | ||
5331 | if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD) | |
5332 | goto error_out; | |
5333 | if (rc != LPFC_EXT_ACC_CMD_ARG) | |
5334 | goto error_out; | |
5335 | if (!(ext_map & LPFC_EXT_ACC_ALL)) | |
5336 | goto error_out; | |
5337 | ||
5338 | return nbytes; | |
5339 | error_out: | |
5340 | /* Clean out command structure on command error out */ | |
5341 | memset(&idiag, 0, sizeof(idiag)); | |
5342 | return -EINVAL; | |
5343 | } | |
5344 | ||
5345 | /** | |
5346 | * lpfc_idiag_extacc_read - idiag debugfs read access to extent information | |
5347 | * @file: The file pointer to read from. | |
5348 | * @buf: The buffer to copy the data to. | |
5349 | * @nbytes: The number of bytes to read. | |
5350 | * @ppos: The position in the file to start reading from. | |
5351 | * | |
5352 | * Description: | |
5353 | * This routine reads data from the proper extent information according to | |
5354 | * the idiag command, and copies to user @buf. | |
5355 | * | |
5356 | * Returns: | |
5357 | * This function returns the amount of data that was read (this could be less | |
5358 | * than @nbytes if the end of the file was reached) or a negative error value. | |
5359 | **/ | |
5360 | static ssize_t | |
5361 | lpfc_idiag_extacc_read(struct file *file, char __user *buf, size_t nbytes, | |
5362 | loff_t *ppos) | |
5363 | { | |
5364 | struct lpfc_debug *debug = file->private_data; | |
5365 | struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private; | |
5366 | char *pbuffer; | |
5367 | uint32_t ext_map; | |
5368 | int len = 0; | |
5369 | ||
5370 | /* This is a user read operation */ | |
5371 | debug->op = LPFC_IDIAG_OP_RD; | |
5372 | ||
5373 | if (!debug->buffer) | |
5374 | debug->buffer = kmalloc(LPFC_EXT_ACC_BUF_SIZE, GFP_KERNEL); | |
5375 | if (!debug->buffer) | |
5376 | return 0; | |
5377 | pbuffer = debug->buffer; | |
5378 | if (*ppos) | |
5379 | return 0; | |
5380 | if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD) | |
5381 | return 0; | |
5382 | ||
5383 | ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX]; | |
5384 | if (ext_map & LPFC_EXT_ACC_AVAIL) | |
5385 | len = lpfc_idiag_extacc_avail_get(phba, pbuffer, len); | |
5386 | if (ext_map & LPFC_EXT_ACC_ALLOC) | |
5387 | len = lpfc_idiag_extacc_alloc_get(phba, pbuffer, len); | |
5388 | if (ext_map & LPFC_EXT_ACC_DRIVR) | |
5389 | len = lpfc_idiag_extacc_drivr_get(phba, pbuffer, len); | |
5390 | ||
5391 | return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len); | |
5392 | } | |
5393 | ||
5394 | #undef lpfc_debugfs_op_disc_trc | |
5395 | static const struct file_operations lpfc_debugfs_op_disc_trc = { | |
5396 | .owner = THIS_MODULE, | |
5397 | .open = lpfc_debugfs_disc_trc_open, | |
5398 | .llseek = lpfc_debugfs_lseek, | |
5399 | .read = lpfc_debugfs_read, | |
5400 | .release = lpfc_debugfs_release, | |
5401 | }; | |
5402 | ||
5403 | #undef lpfc_debugfs_op_nodelist | |
5404 | static const struct file_operations lpfc_debugfs_op_nodelist = { | |
5405 | .owner = THIS_MODULE, | |
5406 | .open = lpfc_debugfs_nodelist_open, | |
5407 | .llseek = lpfc_debugfs_lseek, | |
5408 | .read = lpfc_debugfs_read, | |
5409 | .release = lpfc_debugfs_release, | |
5410 | }; | |
5411 | ||
c490850a JS |
5412 | #undef lpfc_debugfs_op_multixripools |
5413 | static const struct file_operations lpfc_debugfs_op_multixripools = { | |
5414 | .owner = THIS_MODULE, | |
5415 | .open = lpfc_debugfs_multixripools_open, | |
5416 | .llseek = lpfc_debugfs_lseek, | |
5417 | .read = lpfc_debugfs_read, | |
5418 | .write = lpfc_debugfs_multixripools_write, | |
5419 | .release = lpfc_debugfs_release, | |
5420 | }; | |
5421 | ||
b76f2dc9 JS |
5422 | #undef lpfc_debugfs_op_hbqinfo |
5423 | static const struct file_operations lpfc_debugfs_op_hbqinfo = { | |
5424 | .owner = THIS_MODULE, | |
5425 | .open = lpfc_debugfs_hbqinfo_open, | |
5426 | .llseek = lpfc_debugfs_lseek, | |
5427 | .read = lpfc_debugfs_read, | |
5428 | .release = lpfc_debugfs_release, | |
5429 | }; | |
5430 | ||
6a828b0f JS |
5431 | #ifdef LPFC_HDWQ_LOCK_STAT |
5432 | #undef lpfc_debugfs_op_lockstat | |
5433 | static const struct file_operations lpfc_debugfs_op_lockstat = { | |
5e5b511d | 5434 | .owner = THIS_MODULE, |
6a828b0f | 5435 | .open = lpfc_debugfs_lockstat_open, |
5e5b511d JS |
5436 | .llseek = lpfc_debugfs_lseek, |
5437 | .read = lpfc_debugfs_read, | |
6a828b0f | 5438 | .write = lpfc_debugfs_lockstat_write, |
5e5b511d JS |
5439 | .release = lpfc_debugfs_release, |
5440 | }; | |
6a828b0f | 5441 | #endif |
5e5b511d | 5442 | |
b76f2dc9 JS |
5443 | #undef lpfc_debugfs_op_dumpHBASlim |
5444 | static const struct file_operations lpfc_debugfs_op_dumpHBASlim = { | |
5445 | .owner = THIS_MODULE, | |
5446 | .open = lpfc_debugfs_dumpHBASlim_open, | |
5447 | .llseek = lpfc_debugfs_lseek, | |
5448 | .read = lpfc_debugfs_read, | |
5449 | .release = lpfc_debugfs_release, | |
5450 | }; | |
5451 | ||
5452 | #undef lpfc_debugfs_op_dumpHostSlim | |
5453 | static const struct file_operations lpfc_debugfs_op_dumpHostSlim = { | |
5454 | .owner = THIS_MODULE, | |
5455 | .open = lpfc_debugfs_dumpHostSlim_open, | |
5456 | .llseek = lpfc_debugfs_lseek, | |
5457 | .read = lpfc_debugfs_read, | |
5458 | .release = lpfc_debugfs_release, | |
5459 | }; | |
5460 | ||
bd2cdd5e JS |
5461 | #undef lpfc_debugfs_op_nvmestat |
5462 | static const struct file_operations lpfc_debugfs_op_nvmestat = { | |
5463 | .owner = THIS_MODULE, | |
5464 | .open = lpfc_debugfs_nvmestat_open, | |
5465 | .llseek = lpfc_debugfs_lseek, | |
5466 | .read = lpfc_debugfs_read, | |
2b65e182 | 5467 | .write = lpfc_debugfs_nvmestat_write, |
bd2cdd5e JS |
5468 | .release = lpfc_debugfs_release, |
5469 | }; | |
5470 | ||
4c47efc1 JS |
5471 | #undef lpfc_debugfs_op_scsistat |
5472 | static const struct file_operations lpfc_debugfs_op_scsistat = { | |
5473 | .owner = THIS_MODULE, | |
5474 | .open = lpfc_debugfs_scsistat_open, | |
5475 | .llseek = lpfc_debugfs_lseek, | |
5476 | .read = lpfc_debugfs_read, | |
5477 | .write = lpfc_debugfs_scsistat_write, | |
5478 | .release = lpfc_debugfs_release, | |
5479 | }; | |
5480 | ||
bd2cdd5e JS |
5481 | #undef lpfc_debugfs_op_nvmektime |
5482 | static const struct file_operations lpfc_debugfs_op_nvmektime = { | |
5483 | .owner = THIS_MODULE, | |
5484 | .open = lpfc_debugfs_nvmektime_open, | |
5485 | .llseek = lpfc_debugfs_lseek, | |
5486 | .read = lpfc_debugfs_read, | |
5487 | .write = lpfc_debugfs_nvmektime_write, | |
5488 | .release = lpfc_debugfs_release, | |
5489 | }; | |
5490 | ||
5491 | #undef lpfc_debugfs_op_nvmeio_trc | |
5492 | static const struct file_operations lpfc_debugfs_op_nvmeio_trc = { | |
5493 | .owner = THIS_MODULE, | |
5494 | .open = lpfc_debugfs_nvmeio_trc_open, | |
5495 | .llseek = lpfc_debugfs_lseek, | |
5496 | .read = lpfc_debugfs_read, | |
5497 | .write = lpfc_debugfs_nvmeio_trc_write, | |
5498 | .release = lpfc_debugfs_release, | |
5499 | }; | |
5500 | ||
5501 | #undef lpfc_debugfs_op_cpucheck | |
5502 | static const struct file_operations lpfc_debugfs_op_cpucheck = { | |
5503 | .owner = THIS_MODULE, | |
5504 | .open = lpfc_debugfs_cpucheck_open, | |
5505 | .llseek = lpfc_debugfs_lseek, | |
5506 | .read = lpfc_debugfs_read, | |
5507 | .write = lpfc_debugfs_cpucheck_write, | |
5508 | .release = lpfc_debugfs_release, | |
5509 | }; | |
5510 | ||
b76f2dc9 JS |
5511 | #undef lpfc_debugfs_op_dumpData |
5512 | static const struct file_operations lpfc_debugfs_op_dumpData = { | |
5513 | .owner = THIS_MODULE, | |
5514 | .open = lpfc_debugfs_dumpData_open, | |
5515 | .llseek = lpfc_debugfs_lseek, | |
5516 | .read = lpfc_debugfs_read, | |
5517 | .write = lpfc_debugfs_dumpDataDif_write, | |
5518 | .release = lpfc_debugfs_dumpDataDif_release, | |
5519 | }; | |
5520 | ||
5521 | #undef lpfc_debugfs_op_dumpDif | |
5522 | static const struct file_operations lpfc_debugfs_op_dumpDif = { | |
e2a0a9d6 JS |
5523 | .owner = THIS_MODULE, |
5524 | .open = lpfc_debugfs_dumpDif_open, | |
5525 | .llseek = lpfc_debugfs_lseek, | |
5526 | .read = lpfc_debugfs_read, | |
5527 | .write = lpfc_debugfs_dumpDataDif_write, | |
5528 | .release = lpfc_debugfs_dumpDataDif_release, | |
5529 | }; | |
5530 | ||
f9bb2da1 JS |
5531 | #undef lpfc_debugfs_op_dif_err |
5532 | static const struct file_operations lpfc_debugfs_op_dif_err = { | |
5533 | .owner = THIS_MODULE, | |
234e3405 | 5534 | .open = simple_open, |
f9bb2da1 JS |
5535 | .llseek = lpfc_debugfs_lseek, |
5536 | .read = lpfc_debugfs_dif_err_read, | |
5537 | .write = lpfc_debugfs_dif_err_write, | |
5538 | .release = lpfc_debugfs_dif_err_release, | |
5539 | }; | |
5540 | ||
a58cbd52 | 5541 | #undef lpfc_debugfs_op_slow_ring_trc |
71fa7421 | 5542 | static const struct file_operations lpfc_debugfs_op_slow_ring_trc = { |
a58cbd52 JS |
5543 | .owner = THIS_MODULE, |
5544 | .open = lpfc_debugfs_slow_ring_trc_open, | |
5545 | .llseek = lpfc_debugfs_lseek, | |
5546 | .read = lpfc_debugfs_read, | |
5547 | .release = lpfc_debugfs_release, | |
5548 | }; | |
5549 | ||
858c9f6c JS |
5550 | static struct dentry *lpfc_debugfs_root = NULL; |
5551 | static atomic_t lpfc_debugfs_hba_count; | |
2a622bfb JS |
5552 | |
5553 | /* | |
5554 | * File operations for the iDiag debugfs | |
5555 | */ | |
5556 | #undef lpfc_idiag_op_pciCfg | |
5557 | static const struct file_operations lpfc_idiag_op_pciCfg = { | |
5558 | .owner = THIS_MODULE, | |
5559 | .open = lpfc_idiag_open, | |
5560 | .llseek = lpfc_debugfs_lseek, | |
5561 | .read = lpfc_idiag_pcicfg_read, | |
5562 | .write = lpfc_idiag_pcicfg_write, | |
5563 | .release = lpfc_idiag_cmd_release, | |
5564 | }; | |
5565 | ||
b76f2dc9 JS |
5566 | #undef lpfc_idiag_op_barAcc |
5567 | static const struct file_operations lpfc_idiag_op_barAcc = { | |
5568 | .owner = THIS_MODULE, | |
5569 | .open = lpfc_idiag_open, | |
5570 | .llseek = lpfc_debugfs_lseek, | |
5571 | .read = lpfc_idiag_baracc_read, | |
5572 | .write = lpfc_idiag_baracc_write, | |
5573 | .release = lpfc_idiag_cmd_release, | |
5574 | }; | |
5575 | ||
2a622bfb JS |
5576 | #undef lpfc_idiag_op_queInfo |
5577 | static const struct file_operations lpfc_idiag_op_queInfo = { | |
5578 | .owner = THIS_MODULE, | |
5579 | .open = lpfc_idiag_open, | |
5580 | .read = lpfc_idiag_queinfo_read, | |
5581 | .release = lpfc_idiag_release, | |
5582 | }; | |
5583 | ||
b76f2dc9 | 5584 | #undef lpfc_idiag_op_queAcc |
86a80846 JS |
5585 | static const struct file_operations lpfc_idiag_op_queAcc = { |
5586 | .owner = THIS_MODULE, | |
5587 | .open = lpfc_idiag_open, | |
5588 | .llseek = lpfc_debugfs_lseek, | |
5589 | .read = lpfc_idiag_queacc_read, | |
5590 | .write = lpfc_idiag_queacc_write, | |
5591 | .release = lpfc_idiag_cmd_release, | |
5592 | }; | |
5593 | ||
b76f2dc9 | 5594 | #undef lpfc_idiag_op_drbAcc |
86a80846 JS |
5595 | static const struct file_operations lpfc_idiag_op_drbAcc = { |
5596 | .owner = THIS_MODULE, | |
5597 | .open = lpfc_idiag_open, | |
5598 | .llseek = lpfc_debugfs_lseek, | |
5599 | .read = lpfc_idiag_drbacc_read, | |
5600 | .write = lpfc_idiag_drbacc_write, | |
5601 | .release = lpfc_idiag_cmd_release, | |
5602 | }; | |
5603 | ||
b76f2dc9 JS |
5604 | #undef lpfc_idiag_op_ctlAcc |
5605 | static const struct file_operations lpfc_idiag_op_ctlAcc = { | |
5606 | .owner = THIS_MODULE, | |
5607 | .open = lpfc_idiag_open, | |
5608 | .llseek = lpfc_debugfs_lseek, | |
5609 | .read = lpfc_idiag_ctlacc_read, | |
5610 | .write = lpfc_idiag_ctlacc_write, | |
5611 | .release = lpfc_idiag_cmd_release, | |
5612 | }; | |
5613 | ||
5614 | #undef lpfc_idiag_op_mbxAcc | |
5615 | static const struct file_operations lpfc_idiag_op_mbxAcc = { | |
5616 | .owner = THIS_MODULE, | |
5617 | .open = lpfc_idiag_open, | |
5618 | .llseek = lpfc_debugfs_lseek, | |
5619 | .read = lpfc_idiag_mbxacc_read, | |
5620 | .write = lpfc_idiag_mbxacc_write, | |
5621 | .release = lpfc_idiag_cmd_release, | |
5622 | }; | |
5623 | ||
5624 | #undef lpfc_idiag_op_extAcc | |
5625 | static const struct file_operations lpfc_idiag_op_extAcc = { | |
5626 | .owner = THIS_MODULE, | |
5627 | .open = lpfc_idiag_open, | |
5628 | .llseek = lpfc_debugfs_lseek, | |
5629 | .read = lpfc_idiag_extacc_read, | |
5630 | .write = lpfc_idiag_extacc_write, | |
5631 | .release = lpfc_idiag_cmd_release, | |
5632 | }; | |
5633 | ||
858c9f6c JS |
5634 | #endif |
5635 | ||
b76f2dc9 JS |
5636 | /* lpfc_idiag_mbxacc_dump_bsg_mbox - idiag debugfs dump bsg mailbox command |
5637 | * @phba: Pointer to HBA context object. | |
5638 | * @dmabuf: Pointer to a DMA buffer descriptor. | |
5639 | * | |
5640 | * Description: | |
5641 | * This routine dump a bsg pass-through non-embedded mailbox command with | |
5642 | * external buffer. | |
5643 | **/ | |
5644 | void | |
5645 | lpfc_idiag_mbxacc_dump_bsg_mbox(struct lpfc_hba *phba, enum nemb_type nemb_tp, | |
5646 | enum mbox_type mbox_tp, enum dma_type dma_tp, | |
5647 | enum sta_type sta_tp, | |
5648 | struct lpfc_dmabuf *dmabuf, uint32_t ext_buf) | |
5649 | { | |
5650 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS | |
5651 | uint32_t *mbx_mbox_cmd, *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt; | |
5652 | char line_buf[LPFC_MBX_ACC_LBUF_SZ]; | |
5653 | int len = 0; | |
5654 | uint32_t do_dump = 0; | |
5655 | uint32_t *pword; | |
5656 | uint32_t i; | |
5657 | ||
5658 | if (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP) | |
5659 | return; | |
5660 | ||
5661 | mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX]; | |
5662 | mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX]; | |
5663 | mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX]; | |
5664 | mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX]; | |
5665 | ||
5666 | if (!(*mbx_dump_map & LPFC_MBX_DMP_ALL) || | |
5667 | (*mbx_dump_cnt == 0) || | |
5668 | (*mbx_word_cnt == 0)) | |
5669 | return; | |
5670 | ||
5671 | if (*mbx_mbox_cmd != 0x9B) | |
5672 | return; | |
5673 | ||
5674 | if ((mbox_tp == mbox_rd) && (dma_tp == dma_mbox)) { | |
5675 | if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_MBX) { | |
5676 | do_dump |= LPFC_BSG_DMP_MBX_RD_MBX; | |
2ea259ee | 5677 | pr_err("\nRead mbox command (x%x), " |
b76f2dc9 JS |
5678 | "nemb:0x%x, extbuf_cnt:%d:\n", |
5679 | sta_tp, nemb_tp, ext_buf); | |
5680 | } | |
5681 | } | |
5682 | if ((mbox_tp == mbox_rd) && (dma_tp == dma_ebuf)) { | |
5683 | if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_BUF) { | |
5684 | do_dump |= LPFC_BSG_DMP_MBX_RD_BUF; | |
2ea259ee | 5685 | pr_err("\nRead mbox buffer (x%x), " |
b76f2dc9 JS |
5686 | "nemb:0x%x, extbuf_seq:%d:\n", |
5687 | sta_tp, nemb_tp, ext_buf); | |
5688 | } | |
5689 | } | |
5690 | if ((mbox_tp == mbox_wr) && (dma_tp == dma_mbox)) { | |
5691 | if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_MBX) { | |
5692 | do_dump |= LPFC_BSG_DMP_MBX_WR_MBX; | |
2ea259ee | 5693 | pr_err("\nWrite mbox command (x%x), " |
b76f2dc9 JS |
5694 | "nemb:0x%x, extbuf_cnt:%d:\n", |
5695 | sta_tp, nemb_tp, ext_buf); | |
5696 | } | |
5697 | } | |
5698 | if ((mbox_tp == mbox_wr) && (dma_tp == dma_ebuf)) { | |
5699 | if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_BUF) { | |
5700 | do_dump |= LPFC_BSG_DMP_MBX_WR_BUF; | |
2ea259ee | 5701 | pr_err("\nWrite mbox buffer (x%x), " |
b76f2dc9 JS |
5702 | "nemb:0x%x, extbuf_seq:%d:\n", |
5703 | sta_tp, nemb_tp, ext_buf); | |
5704 | } | |
5705 | } | |
5706 | ||
5707 | /* dump buffer content */ | |
5708 | if (do_dump) { | |
5709 | pword = (uint32_t *)dmabuf->virt; | |
5710 | for (i = 0; i < *mbx_word_cnt; i++) { | |
5711 | if (!(i % 8)) { | |
5712 | if (i != 0) | |
2ea259ee | 5713 | pr_err("%s\n", line_buf); |
b76f2dc9 | 5714 | len = 0; |
e7f7b6f3 | 5715 | len += scnprintf(line_buf+len, |
b76f2dc9 JS |
5716 | LPFC_MBX_ACC_LBUF_SZ-len, |
5717 | "%03d: ", i); | |
5718 | } | |
e7f7b6f3 | 5719 | len += scnprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len, |
b76f2dc9 JS |
5720 | "%08x ", (uint32_t)*pword); |
5721 | pword++; | |
5722 | } | |
5723 | if ((i - 1) % 8) | |
2ea259ee | 5724 | pr_err("%s\n", line_buf); |
b76f2dc9 JS |
5725 | (*mbx_dump_cnt)--; |
5726 | } | |
5727 | ||
5728 | /* Clean out command structure on reaching dump count */ | |
5729 | if (*mbx_dump_cnt == 0) | |
5730 | memset(&idiag, 0, sizeof(idiag)); | |
5731 | return; | |
5732 | #endif | |
5733 | } | |
5734 | ||
5735 | /* lpfc_idiag_mbxacc_dump_issue_mbox - idiag debugfs dump issue mailbox command | |
5736 | * @phba: Pointer to HBA context object. | |
5737 | * @dmabuf: Pointer to a DMA buffer descriptor. | |
5738 | * | |
5739 | * Description: | |
5740 | * This routine dump a pass-through non-embedded mailbox command from issue | |
5741 | * mailbox command. | |
5742 | **/ | |
5743 | void | |
5744 | lpfc_idiag_mbxacc_dump_issue_mbox(struct lpfc_hba *phba, MAILBOX_t *pmbox) | |
5745 | { | |
5746 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS | |
5747 | uint32_t *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt, *mbx_mbox_cmd; | |
5748 | char line_buf[LPFC_MBX_ACC_LBUF_SZ]; | |
5749 | int len = 0; | |
5750 | uint32_t *pword; | |
5751 | uint8_t *pbyte; | |
5752 | uint32_t i, j; | |
5753 | ||
5754 | if (idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP) | |
5755 | return; | |
5756 | ||
5757 | mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX]; | |
5758 | mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX]; | |
5759 | mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX]; | |
5760 | mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX]; | |
5761 | ||
5762 | if (!(*mbx_dump_map & LPFC_MBX_DMP_MBX_ALL) || | |
5763 | (*mbx_dump_cnt == 0) || | |
5764 | (*mbx_word_cnt == 0)) | |
5765 | return; | |
5766 | ||
5767 | if ((*mbx_mbox_cmd != LPFC_MBX_ALL_CMD) && | |
5768 | (*mbx_mbox_cmd != pmbox->mbxCommand)) | |
5769 | return; | |
5770 | ||
5771 | /* dump buffer content */ | |
5772 | if (*mbx_dump_map & LPFC_MBX_DMP_MBX_WORD) { | |
2ea259ee | 5773 | pr_err("Mailbox command:0x%x dump by word:\n", |
b76f2dc9 JS |
5774 | pmbox->mbxCommand); |
5775 | pword = (uint32_t *)pmbox; | |
5776 | for (i = 0; i < *mbx_word_cnt; i++) { | |
5777 | if (!(i % 8)) { | |
5778 | if (i != 0) | |
2ea259ee | 5779 | pr_err("%s\n", line_buf); |
b76f2dc9 JS |
5780 | len = 0; |
5781 | memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ); | |
e7f7b6f3 | 5782 | len += scnprintf(line_buf+len, |
b76f2dc9 JS |
5783 | LPFC_MBX_ACC_LBUF_SZ-len, |
5784 | "%03d: ", i); | |
5785 | } | |
e7f7b6f3 | 5786 | len += scnprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len, |
b76f2dc9 JS |
5787 | "%08x ", |
5788 | ((uint32_t)*pword) & 0xffffffff); | |
5789 | pword++; | |
5790 | } | |
5791 | if ((i - 1) % 8) | |
2ea259ee JS |
5792 | pr_err("%s\n", line_buf); |
5793 | pr_err("\n"); | |
b76f2dc9 JS |
5794 | } |
5795 | if (*mbx_dump_map & LPFC_MBX_DMP_MBX_BYTE) { | |
2ea259ee | 5796 | pr_err("Mailbox command:0x%x dump by byte:\n", |
b76f2dc9 JS |
5797 | pmbox->mbxCommand); |
5798 | pbyte = (uint8_t *)pmbox; | |
5799 | for (i = 0; i < *mbx_word_cnt; i++) { | |
5800 | if (!(i % 8)) { | |
5801 | if (i != 0) | |
2ea259ee | 5802 | pr_err("%s\n", line_buf); |
b76f2dc9 JS |
5803 | len = 0; |
5804 | memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ); | |
e7f7b6f3 | 5805 | len += scnprintf(line_buf+len, |
b76f2dc9 JS |
5806 | LPFC_MBX_ACC_LBUF_SZ-len, |
5807 | "%03d: ", i); | |
5808 | } | |
5809 | for (j = 0; j < 4; j++) { | |
e7f7b6f3 | 5810 | len += scnprintf(line_buf+len, |
b76f2dc9 JS |
5811 | LPFC_MBX_ACC_LBUF_SZ-len, |
5812 | "%02x", | |
5813 | ((uint8_t)*pbyte) & 0xff); | |
5814 | pbyte++; | |
5815 | } | |
e7f7b6f3 | 5816 | len += scnprintf(line_buf+len, |
b76f2dc9 JS |
5817 | LPFC_MBX_ACC_LBUF_SZ-len, " "); |
5818 | } | |
5819 | if ((i - 1) % 8) | |
2ea259ee JS |
5820 | pr_err("%s\n", line_buf); |
5821 | pr_err("\n"); | |
b76f2dc9 JS |
5822 | } |
5823 | (*mbx_dump_cnt)--; | |
5824 | ||
5825 | /* Clean out command structure on reaching dump count */ | |
5826 | if (*mbx_dump_cnt == 0) | |
5827 | memset(&idiag, 0, sizeof(idiag)); | |
5828 | return; | |
5829 | #endif | |
5830 | } | |
5831 | ||
e59058c4 | 5832 | /** |
3621a710 | 5833 | * lpfc_debugfs_initialize - Initialize debugfs for a vport |
e59058c4 JS |
5834 | * @vport: The vport pointer to initialize. |
5835 | * | |
5836 | * Description: | |
5837 | * When Debugfs is configured this routine sets up the lpfc debugfs file system. | |
5838 | * If not already created, this routine will create the lpfc directory, and | |
5839 | * lpfcX directory (for this HBA), and vportX directory for this vport. It will | |
5840 | * also create each file used to access lpfc specific debugfs information. | |
5841 | **/ | |
858c9f6c JS |
5842 | inline void |
5843 | lpfc_debugfs_initialize(struct lpfc_vport *vport) | |
5844 | { | |
923e4b6a | 5845 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
858c9f6c JS |
5846 | struct lpfc_hba *phba = vport->phba; |
5847 | char name[64]; | |
5848 | uint32_t num, i; | |
f6c3bdfb | 5849 | bool pport_setup = false; |
858c9f6c JS |
5850 | |
5851 | if (!lpfc_debugfs_enable) | |
5852 | return; | |
5853 | ||
a58cbd52 | 5854 | /* Setup lpfc root directory */ |
858c9f6c JS |
5855 | if (!lpfc_debugfs_root) { |
5856 | lpfc_debugfs_root = debugfs_create_dir("lpfc", NULL); | |
5857 | atomic_set(&lpfc_debugfs_hba_count, 0); | |
858c9f6c | 5858 | } |
a58cbd52 JS |
5859 | if (!lpfc_debugfs_start_time) |
5860 | lpfc_debugfs_start_time = jiffies; | |
5861 | ||
2a622bfb JS |
5862 | /* Setup funcX directory for specific HBA PCI function */ |
5863 | snprintf(name, sizeof(name), "fn%d", phba->brd_no); | |
858c9f6c | 5864 | if (!phba->hba_debugfs_root) { |
f6c3bdfb | 5865 | pport_setup = true; |
858c9f6c JS |
5866 | phba->hba_debugfs_root = |
5867 | debugfs_create_dir(name, lpfc_debugfs_root); | |
858c9f6c JS |
5868 | atomic_inc(&lpfc_debugfs_hba_count); |
5869 | atomic_set(&phba->debugfs_vport_count, 0); | |
a58cbd52 | 5870 | |
c490850a JS |
5871 | /* Multi-XRI pools */ |
5872 | snprintf(name, sizeof(name), "multixripools"); | |
5873 | phba->debug_multixri_pools = | |
5874 | debugfs_create_file(name, S_IFREG | 0644, | |
5875 | phba->hba_debugfs_root, | |
5876 | phba, | |
5877 | &lpfc_debugfs_op_multixripools); | |
5878 | if (!phba->debug_multixri_pools) { | |
5879 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
5880 | "0527 Cannot create debugfs multixripools\n"); | |
5881 | goto debug_failed; | |
5882 | } | |
5883 | ||
78b2d852 JS |
5884 | /* Setup hbqinfo */ |
5885 | snprintf(name, sizeof(name), "hbqinfo"); | |
5886 | phba->debug_hbqinfo = | |
63df6d63 JS |
5887 | debugfs_create_file(name, S_IFREG | 0644, |
5888 | phba->hba_debugfs_root, | |
5889 | phba, &lpfc_debugfs_op_hbqinfo); | |
78b2d852 | 5890 | |
6a828b0f JS |
5891 | #ifdef LPFC_HDWQ_LOCK_STAT |
5892 | /* Setup lockstat */ | |
5893 | snprintf(name, sizeof(name), "lockstat"); | |
5894 | phba->debug_lockstat = | |
5e5b511d JS |
5895 | debugfs_create_file(name, S_IFREG | 0644, |
5896 | phba->hba_debugfs_root, | |
6a828b0f JS |
5897 | phba, &lpfc_debugfs_op_lockstat); |
5898 | if (!phba->debug_lockstat) { | |
5e5b511d | 5899 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
c835c085 | 5900 | "4610 Cant create debugfs lockstat\n"); |
5e5b511d JS |
5901 | goto debug_failed; |
5902 | } | |
6a828b0f | 5903 | #endif |
5e5b511d | 5904 | |
c95d6c6c | 5905 | /* Setup dumpHBASlim */ |
2a622bfb JS |
5906 | if (phba->sli_rev < LPFC_SLI_REV4) { |
5907 | snprintf(name, sizeof(name), "dumpHBASlim"); | |
5908 | phba->debug_dumpHBASlim = | |
5909 | debugfs_create_file(name, | |
5910 | S_IFREG|S_IRUGO|S_IWUSR, | |
5911 | phba->hba_debugfs_root, | |
5912 | phba, &lpfc_debugfs_op_dumpHBASlim); | |
2a622bfb JS |
5913 | } else |
5914 | phba->debug_dumpHBASlim = NULL; | |
c95d6c6c JS |
5915 | |
5916 | /* Setup dumpHostSlim */ | |
2a622bfb JS |
5917 | if (phba->sli_rev < LPFC_SLI_REV4) { |
5918 | snprintf(name, sizeof(name), "dumpHostSlim"); | |
5919 | phba->debug_dumpHostSlim = | |
5920 | debugfs_create_file(name, | |
5921 | S_IFREG|S_IRUGO|S_IWUSR, | |
5922 | phba->hba_debugfs_root, | |
5923 | phba, &lpfc_debugfs_op_dumpHostSlim); | |
2a622bfb | 5924 | } else |
b28d108b | 5925 | phba->debug_dumpHostSlim = NULL; |
a58cbd52 | 5926 | |
e2a0a9d6 JS |
5927 | /* Setup dumpData */ |
5928 | snprintf(name, sizeof(name), "dumpData"); | |
5929 | phba->debug_dumpData = | |
5930 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5931 | phba->hba_debugfs_root, | |
5932 | phba, &lpfc_debugfs_op_dumpData); | |
e2a0a9d6 JS |
5933 | |
5934 | /* Setup dumpDif */ | |
5935 | snprintf(name, sizeof(name), "dumpDif"); | |
5936 | phba->debug_dumpDif = | |
5937 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5938 | phba->hba_debugfs_root, | |
5939 | phba, &lpfc_debugfs_op_dumpDif); | |
e2a0a9d6 | 5940 | |
f9bb2da1 JS |
5941 | /* Setup DIF Error Injections */ |
5942 | snprintf(name, sizeof(name), "InjErrLBA"); | |
5943 | phba->debug_InjErrLBA = | |
5944 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5945 | phba->hba_debugfs_root, | |
5946 | phba, &lpfc_debugfs_op_dif_err); | |
f9bb2da1 JS |
5947 | phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; |
5948 | ||
4ac9b226 JS |
5949 | snprintf(name, sizeof(name), "InjErrNPortID"); |
5950 | phba->debug_InjErrNPortID = | |
5951 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5952 | phba->hba_debugfs_root, | |
5953 | phba, &lpfc_debugfs_op_dif_err); | |
4ac9b226 JS |
5954 | |
5955 | snprintf(name, sizeof(name), "InjErrWWPN"); | |
5956 | phba->debug_InjErrWWPN = | |
5957 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5958 | phba->hba_debugfs_root, | |
5959 | phba, &lpfc_debugfs_op_dif_err); | |
4ac9b226 | 5960 | |
f9bb2da1 JS |
5961 | snprintf(name, sizeof(name), "writeGuardInjErr"); |
5962 | phba->debug_writeGuard = | |
5963 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5964 | phba->hba_debugfs_root, | |
5965 | phba, &lpfc_debugfs_op_dif_err); | |
f9bb2da1 JS |
5966 | |
5967 | snprintf(name, sizeof(name), "writeAppInjErr"); | |
5968 | phba->debug_writeApp = | |
5969 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5970 | phba->hba_debugfs_root, | |
5971 | phba, &lpfc_debugfs_op_dif_err); | |
f9bb2da1 JS |
5972 | |
5973 | snprintf(name, sizeof(name), "writeRefInjErr"); | |
5974 | phba->debug_writeRef = | |
5975 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5976 | phba->hba_debugfs_root, | |
5977 | phba, &lpfc_debugfs_op_dif_err); | |
f9bb2da1 | 5978 | |
acd6859b JS |
5979 | snprintf(name, sizeof(name), "readGuardInjErr"); |
5980 | phba->debug_readGuard = | |
5981 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5982 | phba->hba_debugfs_root, | |
5983 | phba, &lpfc_debugfs_op_dif_err); | |
acd6859b | 5984 | |
f9bb2da1 JS |
5985 | snprintf(name, sizeof(name), "readAppInjErr"); |
5986 | phba->debug_readApp = | |
5987 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5988 | phba->hba_debugfs_root, | |
5989 | phba, &lpfc_debugfs_op_dif_err); | |
f9bb2da1 JS |
5990 | |
5991 | snprintf(name, sizeof(name), "readRefInjErr"); | |
5992 | phba->debug_readRef = | |
5993 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
5994 | phba->hba_debugfs_root, | |
5995 | phba, &lpfc_debugfs_op_dif_err); | |
f9bb2da1 | 5996 | |
a58cbd52 JS |
5997 | /* Setup slow ring trace */ |
5998 | if (lpfc_debugfs_max_slow_ring_trc) { | |
5999 | num = lpfc_debugfs_max_slow_ring_trc - 1; | |
6000 | if (num & lpfc_debugfs_max_slow_ring_trc) { | |
6001 | /* Change to be a power of 2 */ | |
6002 | num = lpfc_debugfs_max_slow_ring_trc; | |
6003 | i = 0; | |
6004 | while (num > 1) { | |
6005 | num = num >> 1; | |
6006 | i++; | |
6007 | } | |
6008 | lpfc_debugfs_max_slow_ring_trc = (1 << i); | |
2ea259ee | 6009 | pr_err("lpfc_debugfs_max_disc_trc changed to " |
e8b62011 | 6010 | "%d\n", lpfc_debugfs_max_disc_trc); |
a58cbd52 JS |
6011 | } |
6012 | } | |
6013 | ||
a58cbd52 JS |
6014 | snprintf(name, sizeof(name), "slow_ring_trace"); |
6015 | phba->debug_slow_ring_trc = | |
6016 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
6017 | phba->hba_debugfs_root, | |
6018 | phba, &lpfc_debugfs_op_slow_ring_trc); | |
a58cbd52 JS |
6019 | if (!phba->slow_ring_trc) { |
6020 | phba->slow_ring_trc = kmalloc( | |
6021 | (sizeof(struct lpfc_debugfs_trc) * | |
6022 | lpfc_debugfs_max_slow_ring_trc), | |
6023 | GFP_KERNEL); | |
6024 | if (!phba->slow_ring_trc) { | |
e8b62011 | 6025 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 6026 | "0416 Cannot create debugfs " |
e8b62011 | 6027 | "slow_ring buffer\n"); |
a58cbd52 JS |
6028 | goto debug_failed; |
6029 | } | |
6030 | atomic_set(&phba->slow_ring_trc_cnt, 0); | |
6031 | memset(phba->slow_ring_trc, 0, | |
6032 | (sizeof(struct lpfc_debugfs_trc) * | |
6033 | lpfc_debugfs_max_slow_ring_trc)); | |
6034 | } | |
2ea259ee | 6035 | |
bd2cdd5e JS |
6036 | snprintf(name, sizeof(name), "nvmeio_trc"); |
6037 | phba->debug_nvmeio_trc = | |
6038 | debugfs_create_file(name, 0644, | |
6039 | phba->hba_debugfs_root, | |
6040 | phba, &lpfc_debugfs_op_nvmeio_trc); | |
bd2cdd5e JS |
6041 | |
6042 | atomic_set(&phba->nvmeio_trc_cnt, 0); | |
6043 | if (lpfc_debugfs_max_nvmeio_trc) { | |
6044 | num = lpfc_debugfs_max_nvmeio_trc - 1; | |
6045 | if (num & lpfc_debugfs_max_disc_trc) { | |
6046 | /* Change to be a power of 2 */ | |
6047 | num = lpfc_debugfs_max_nvmeio_trc; | |
6048 | i = 0; | |
6049 | while (num > 1) { | |
6050 | num = num >> 1; | |
6051 | i++; | |
6052 | } | |
6053 | lpfc_debugfs_max_nvmeio_trc = (1 << i); | |
6054 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6055 | "0575 lpfc_debugfs_max_nvmeio_trc " | |
6056 | "changed to %d\n", | |
6057 | lpfc_debugfs_max_nvmeio_trc); | |
6058 | } | |
6059 | phba->nvmeio_trc_size = lpfc_debugfs_max_nvmeio_trc; | |
6060 | ||
6061 | /* Allocate trace buffer and initialize */ | |
1c356ec5 | 6062 | phba->nvmeio_trc = kzalloc( |
bd2cdd5e JS |
6063 | (sizeof(struct lpfc_debugfs_nvmeio_trc) * |
6064 | phba->nvmeio_trc_size), GFP_KERNEL); | |
6065 | ||
6066 | if (!phba->nvmeio_trc) { | |
6067 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6068 | "0576 Cannot create debugfs " | |
6069 | "nvmeio_trc buffer\n"); | |
6070 | goto nvmeio_off; | |
6071 | } | |
bd2cdd5e JS |
6072 | phba->nvmeio_trc_on = 1; |
6073 | phba->nvmeio_trc_output_idx = 0; | |
6074 | phba->nvmeio_trc = NULL; | |
6075 | } else { | |
6076 | nvmeio_off: | |
6077 | phba->nvmeio_trc_size = 0; | |
6078 | phba->nvmeio_trc_on = 0; | |
6079 | phba->nvmeio_trc_output_idx = 0; | |
6080 | phba->nvmeio_trc = NULL; | |
6081 | } | |
858c9f6c JS |
6082 | } |
6083 | ||
6084 | snprintf(name, sizeof(name), "vport%d", vport->vpi); | |
6085 | if (!vport->vport_debugfs_root) { | |
6086 | vport->vport_debugfs_root = | |
6087 | debugfs_create_dir(name, phba->hba_debugfs_root); | |
858c9f6c JS |
6088 | atomic_inc(&phba->debugfs_vport_count); |
6089 | } | |
6090 | ||
a58cbd52 JS |
6091 | if (lpfc_debugfs_max_disc_trc) { |
6092 | num = lpfc_debugfs_max_disc_trc - 1; | |
6093 | if (num & lpfc_debugfs_max_disc_trc) { | |
6094 | /* Change to be a power of 2 */ | |
6095 | num = lpfc_debugfs_max_disc_trc; | |
6096 | i = 0; | |
6097 | while (num > 1) { | |
6098 | num = num >> 1; | |
6099 | i++; | |
6100 | } | |
6101 | lpfc_debugfs_max_disc_trc = (1 << i); | |
2ea259ee | 6102 | pr_err("lpfc_debugfs_max_disc_trc changed to %d\n", |
e8b62011 | 6103 | lpfc_debugfs_max_disc_trc); |
a58cbd52 JS |
6104 | } |
6105 | } | |
858c9f6c | 6106 | |
ff86ba59 | 6107 | vport->disc_trc = kzalloc( |
a58cbd52 | 6108 | (sizeof(struct lpfc_debugfs_trc) * lpfc_debugfs_max_disc_trc), |
858c9f6c JS |
6109 | GFP_KERNEL); |
6110 | ||
a58cbd52 | 6111 | if (!vport->disc_trc) { |
e8b62011 | 6112 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 6113 | "0418 Cannot create debugfs disc trace " |
e8b62011 | 6114 | "buffer\n"); |
858c9f6c | 6115 | goto debug_failed; |
a58cbd52 JS |
6116 | } |
6117 | atomic_set(&vport->disc_trc_cnt, 0); | |
858c9f6c JS |
6118 | |
6119 | snprintf(name, sizeof(name), "discovery_trace"); | |
6120 | vport->debug_disc_trc = | |
6121 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
6122 | vport->vport_debugfs_root, | |
6123 | vport, &lpfc_debugfs_op_disc_trc); | |
858c9f6c JS |
6124 | snprintf(name, sizeof(name), "nodelist"); |
6125 | vport->debug_nodelist = | |
6126 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
6127 | vport->vport_debugfs_root, | |
6128 | vport, &lpfc_debugfs_op_nodelist); | |
2a622bfb | 6129 | |
bd2cdd5e JS |
6130 | snprintf(name, sizeof(name), "nvmestat"); |
6131 | vport->debug_nvmestat = | |
6132 | debugfs_create_file(name, 0644, | |
6133 | vport->vport_debugfs_root, | |
6134 | vport, &lpfc_debugfs_op_nvmestat); | |
bd2cdd5e | 6135 | |
4c47efc1 JS |
6136 | snprintf(name, sizeof(name), "scsistat"); |
6137 | vport->debug_scsistat = | |
6138 | debugfs_create_file(name, 0644, | |
6139 | vport->vport_debugfs_root, | |
6140 | vport, &lpfc_debugfs_op_scsistat); | |
6141 | if (!vport->debug_scsistat) { | |
6142 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
c835c085 | 6143 | "4611 Cannot create debugfs scsistat\n"); |
4c47efc1 JS |
6144 | goto debug_failed; |
6145 | } | |
6146 | ||
bd2cdd5e JS |
6147 | snprintf(name, sizeof(name), "nvmektime"); |
6148 | vport->debug_nvmektime = | |
6149 | debugfs_create_file(name, 0644, | |
6150 | vport->vport_debugfs_root, | |
6151 | vport, &lpfc_debugfs_op_nvmektime); | |
bd2cdd5e JS |
6152 | |
6153 | snprintf(name, sizeof(name), "cpucheck"); | |
6154 | vport->debug_cpucheck = | |
6155 | debugfs_create_file(name, 0644, | |
6156 | vport->vport_debugfs_root, | |
6157 | vport, &lpfc_debugfs_op_cpucheck); | |
bd2cdd5e | 6158 | |
f6c3bdfb JS |
6159 | /* |
6160 | * The following section is for additional directories/files for the | |
6161 | * physical port. | |
6162 | */ | |
6163 | ||
6164 | if (!pport_setup) | |
6165 | goto debug_failed; | |
6166 | ||
2a622bfb JS |
6167 | /* |
6168 | * iDiag debugfs root entry points for SLI4 device only | |
6169 | */ | |
6170 | if (phba->sli_rev < LPFC_SLI_REV4) | |
6171 | goto debug_failed; | |
6172 | ||
6173 | snprintf(name, sizeof(name), "iDiag"); | |
6174 | if (!phba->idiag_root) { | |
6175 | phba->idiag_root = | |
6176 | debugfs_create_dir(name, phba->hba_debugfs_root); | |
2a622bfb JS |
6177 | /* Initialize iDiag data structure */ |
6178 | memset(&idiag, 0, sizeof(idiag)); | |
6179 | } | |
6180 | ||
6181 | /* iDiag read PCI config space */ | |
6182 | snprintf(name, sizeof(name), "pciCfg"); | |
6183 | if (!phba->idiag_pci_cfg) { | |
6184 | phba->idiag_pci_cfg = | |
6185 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
6186 | phba->idiag_root, phba, &lpfc_idiag_op_pciCfg); | |
2a622bfb JS |
6187 | idiag.offset.last_rd = 0; |
6188 | } | |
6189 | ||
b76f2dc9 JS |
6190 | /* iDiag PCI BAR access */ |
6191 | snprintf(name, sizeof(name), "barAcc"); | |
6192 | if (!phba->idiag_bar_acc) { | |
6193 | phba->idiag_bar_acc = | |
6194 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
6195 | phba->idiag_root, phba, &lpfc_idiag_op_barAcc); | |
b76f2dc9 JS |
6196 | idiag.offset.last_rd = 0; |
6197 | } | |
6198 | ||
2a622bfb JS |
6199 | /* iDiag get PCI function queue information */ |
6200 | snprintf(name, sizeof(name), "queInfo"); | |
6201 | if (!phba->idiag_que_info) { | |
6202 | phba->idiag_que_info = | |
6203 | debugfs_create_file(name, S_IFREG|S_IRUGO, | |
6204 | phba->idiag_root, phba, &lpfc_idiag_op_queInfo); | |
2a622bfb JS |
6205 | } |
6206 | ||
86a80846 JS |
6207 | /* iDiag access PCI function queue */ |
6208 | snprintf(name, sizeof(name), "queAcc"); | |
6209 | if (!phba->idiag_que_acc) { | |
6210 | phba->idiag_que_acc = | |
6211 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
6212 | phba->idiag_root, phba, &lpfc_idiag_op_queAcc); | |
86a80846 JS |
6213 | } |
6214 | ||
6215 | /* iDiag access PCI function doorbell registers */ | |
6216 | snprintf(name, sizeof(name), "drbAcc"); | |
6217 | if (!phba->idiag_drb_acc) { | |
6218 | phba->idiag_drb_acc = | |
6219 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
6220 | phba->idiag_root, phba, &lpfc_idiag_op_drbAcc); | |
86a80846 JS |
6221 | } |
6222 | ||
b76f2dc9 JS |
6223 | /* iDiag access PCI function control registers */ |
6224 | snprintf(name, sizeof(name), "ctlAcc"); | |
6225 | if (!phba->idiag_ctl_acc) { | |
6226 | phba->idiag_ctl_acc = | |
6227 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
6228 | phba->idiag_root, phba, &lpfc_idiag_op_ctlAcc); | |
b76f2dc9 JS |
6229 | } |
6230 | ||
6231 | /* iDiag access mbox commands */ | |
6232 | snprintf(name, sizeof(name), "mbxAcc"); | |
6233 | if (!phba->idiag_mbx_acc) { | |
6234 | phba->idiag_mbx_acc = | |
6235 | debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, | |
6236 | phba->idiag_root, phba, &lpfc_idiag_op_mbxAcc); | |
b76f2dc9 JS |
6237 | } |
6238 | ||
6239 | /* iDiag extents access commands */ | |
6240 | if (phba->sli4_hba.extents_in_use) { | |
6241 | snprintf(name, sizeof(name), "extAcc"); | |
6242 | if (!phba->idiag_ext_acc) { | |
6243 | phba->idiag_ext_acc = | |
6244 | debugfs_create_file(name, | |
6245 | S_IFREG|S_IRUGO|S_IWUSR, | |
6246 | phba->idiag_root, phba, | |
6247 | &lpfc_idiag_op_extAcc); | |
b76f2dc9 JS |
6248 | } |
6249 | } | |
6250 | ||
858c9f6c JS |
6251 | debug_failed: |
6252 | return; | |
6253 | #endif | |
6254 | } | |
6255 | ||
e59058c4 | 6256 | /** |
3621a710 | 6257 | * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport |
e59058c4 JS |
6258 | * @vport: The vport pointer to remove from debugfs. |
6259 | * | |
6260 | * Description: | |
6261 | * When Debugfs is configured this routine removes debugfs file system elements | |
6262 | * that are specific to this vport. It also checks to see if there are any | |
6263 | * users left for the debugfs directories associated with the HBA and driver. If | |
6264 | * this is the last user of the HBA directory or driver directory then it will | |
6265 | * remove those from the debugfs infrastructure as well. | |
6266 | **/ | |
858c9f6c JS |
6267 | inline void |
6268 | lpfc_debugfs_terminate(struct lpfc_vport *vport) | |
6269 | { | |
923e4b6a | 6270 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
858c9f6c JS |
6271 | struct lpfc_hba *phba = vport->phba; |
6272 | ||
eafe89f5 JS |
6273 | kfree(vport->disc_trc); |
6274 | vport->disc_trc = NULL; | |
bd2cdd5e JS |
6275 | |
6276 | debugfs_remove(vport->debug_disc_trc); /* discovery_trace */ | |
6277 | vport->debug_disc_trc = NULL; | |
6278 | ||
6279 | debugfs_remove(vport->debug_nodelist); /* nodelist */ | |
6280 | vport->debug_nodelist = NULL; | |
6281 | ||
6282 | debugfs_remove(vport->debug_nvmestat); /* nvmestat */ | |
6283 | vport->debug_nvmestat = NULL; | |
6284 | ||
4c47efc1 JS |
6285 | debugfs_remove(vport->debug_scsistat); /* scsistat */ |
6286 | vport->debug_scsistat = NULL; | |
6287 | ||
bd2cdd5e JS |
6288 | debugfs_remove(vport->debug_nvmektime); /* nvmektime */ |
6289 | vport->debug_nvmektime = NULL; | |
6290 | ||
6291 | debugfs_remove(vport->debug_cpucheck); /* cpucheck */ | |
6292 | vport->debug_cpucheck = NULL; | |
6293 | ||
858c9f6c JS |
6294 | if (vport->vport_debugfs_root) { |
6295 | debugfs_remove(vport->vport_debugfs_root); /* vportX */ | |
6296 | vport->vport_debugfs_root = NULL; | |
6297 | atomic_dec(&phba->debugfs_vport_count); | |
6298 | } | |
bd2cdd5e | 6299 | |
858c9f6c | 6300 | if (atomic_read(&phba->debugfs_vport_count) == 0) { |
a58cbd52 | 6301 | |
c490850a JS |
6302 | debugfs_remove(phba->debug_multixri_pools); /* multixripools*/ |
6303 | phba->debug_multixri_pools = NULL; | |
6304 | ||
bd2cdd5e JS |
6305 | debugfs_remove(phba->debug_hbqinfo); /* hbqinfo */ |
6306 | phba->debug_hbqinfo = NULL; | |
e2a0a9d6 | 6307 | |
6a828b0f JS |
6308 | #ifdef LPFC_HDWQ_LOCK_STAT |
6309 | debugfs_remove(phba->debug_lockstat); /* lockstat */ | |
6310 | phba->debug_lockstat = NULL; | |
6311 | #endif | |
bd2cdd5e JS |
6312 | debugfs_remove(phba->debug_dumpHBASlim); /* HBASlim */ |
6313 | phba->debug_dumpHBASlim = NULL; | |
6314 | ||
6315 | debugfs_remove(phba->debug_dumpHostSlim); /* HostSlim */ | |
6316 | phba->debug_dumpHostSlim = NULL; | |
6317 | ||
6318 | debugfs_remove(phba->debug_dumpData); /* dumpData */ | |
6319 | phba->debug_dumpData = NULL; | |
6320 | ||
6321 | debugfs_remove(phba->debug_dumpDif); /* dumpDif */ | |
6322 | phba->debug_dumpDif = NULL; | |
6323 | ||
6324 | debugfs_remove(phba->debug_InjErrLBA); /* InjErrLBA */ | |
6325 | phba->debug_InjErrLBA = NULL; | |
6326 | ||
6327 | debugfs_remove(phba->debug_InjErrNPortID); | |
6328 | phba->debug_InjErrNPortID = NULL; | |
6329 | ||
6330 | debugfs_remove(phba->debug_InjErrWWPN); /* InjErrWWPN */ | |
6331 | phba->debug_InjErrWWPN = NULL; | |
6332 | ||
6333 | debugfs_remove(phba->debug_writeGuard); /* writeGuard */ | |
6334 | phba->debug_writeGuard = NULL; | |
6335 | ||
6336 | debugfs_remove(phba->debug_writeApp); /* writeApp */ | |
6337 | phba->debug_writeApp = NULL; | |
6338 | ||
6339 | debugfs_remove(phba->debug_writeRef); /* writeRef */ | |
6340 | phba->debug_writeRef = NULL; | |
6341 | ||
6342 | debugfs_remove(phba->debug_readGuard); /* readGuard */ | |
6343 | phba->debug_readGuard = NULL; | |
6344 | ||
6345 | debugfs_remove(phba->debug_readApp); /* readApp */ | |
6346 | phba->debug_readApp = NULL; | |
6347 | ||
6348 | debugfs_remove(phba->debug_readRef); /* readRef */ | |
6349 | phba->debug_readRef = NULL; | |
e2a0a9d6 | 6350 | |
eafe89f5 JS |
6351 | kfree(phba->slow_ring_trc); |
6352 | phba->slow_ring_trc = NULL; | |
bd2cdd5e JS |
6353 | |
6354 | /* slow_ring_trace */ | |
6355 | debugfs_remove(phba->debug_slow_ring_trc); | |
6356 | phba->debug_slow_ring_trc = NULL; | |
6357 | ||
6358 | debugfs_remove(phba->debug_nvmeio_trc); | |
6359 | phba->debug_nvmeio_trc = NULL; | |
6360 | ||
6361 | kfree(phba->nvmeio_trc); | |
6362 | phba->nvmeio_trc = NULL; | |
a58cbd52 | 6363 | |
2a622bfb JS |
6364 | /* |
6365 | * iDiag release | |
6366 | */ | |
6367 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
bd2cdd5e JS |
6368 | /* iDiag extAcc */ |
6369 | debugfs_remove(phba->idiag_ext_acc); | |
6370 | phba->idiag_ext_acc = NULL; | |
6371 | ||
6372 | /* iDiag mbxAcc */ | |
6373 | debugfs_remove(phba->idiag_mbx_acc); | |
6374 | phba->idiag_mbx_acc = NULL; | |
6375 | ||
6376 | /* iDiag ctlAcc */ | |
6377 | debugfs_remove(phba->idiag_ctl_acc); | |
6378 | phba->idiag_ctl_acc = NULL; | |
6379 | ||
6380 | /* iDiag drbAcc */ | |
6381 | debugfs_remove(phba->idiag_drb_acc); | |
6382 | phba->idiag_drb_acc = NULL; | |
6383 | ||
6384 | /* iDiag queAcc */ | |
6385 | debugfs_remove(phba->idiag_que_acc); | |
6386 | phba->idiag_que_acc = NULL; | |
6387 | ||
6388 | /* iDiag queInfo */ | |
6389 | debugfs_remove(phba->idiag_que_info); | |
6390 | phba->idiag_que_info = NULL; | |
6391 | ||
6392 | /* iDiag barAcc */ | |
6393 | debugfs_remove(phba->idiag_bar_acc); | |
6394 | phba->idiag_bar_acc = NULL; | |
6395 | ||
6396 | /* iDiag pciCfg */ | |
6397 | debugfs_remove(phba->idiag_pci_cfg); | |
6398 | phba->idiag_pci_cfg = NULL; | |
2a622bfb JS |
6399 | |
6400 | /* Finally remove the iDiag debugfs root */ | |
bd2cdd5e JS |
6401 | debugfs_remove(phba->idiag_root); |
6402 | phba->idiag_root = NULL; | |
2a622bfb JS |
6403 | } |
6404 | ||
a58cbd52 | 6405 | if (phba->hba_debugfs_root) { |
2a622bfb | 6406 | debugfs_remove(phba->hba_debugfs_root); /* fnX */ |
a58cbd52 JS |
6407 | phba->hba_debugfs_root = NULL; |
6408 | atomic_dec(&lpfc_debugfs_hba_count); | |
6409 | } | |
6410 | ||
667a7662 JS |
6411 | if (atomic_read(&lpfc_debugfs_hba_count) == 0) { |
6412 | debugfs_remove(lpfc_debugfs_root); /* lpfc */ | |
6413 | lpfc_debugfs_root = NULL; | |
6414 | } | |
858c9f6c JS |
6415 | } |
6416 | #endif | |
a58cbd52 | 6417 | return; |
858c9f6c | 6418 | } |
809c7536 JS |
6419 | |
6420 | /* | |
6421 | * Driver debug utility routines outside of debugfs. The debug utility | |
6422 | * routines implemented here is intended to be used in the instrumented | |
6423 | * debug driver for debugging host or port issues. | |
6424 | */ | |
6425 | ||
6426 | /** | |
6427 | * lpfc_debug_dump_all_queues - dump all the queues with a hba | |
6428 | * @phba: Pointer to HBA context object. | |
6429 | * | |
6430 | * This function dumps entries of all the queues asociated with the @phba. | |
6431 | **/ | |
6432 | void | |
6433 | lpfc_debug_dump_all_queues(struct lpfc_hba *phba) | |
6434 | { | |
1d9d5a98 | 6435 | int idx; |
809c7536 JS |
6436 | |
6437 | /* | |
6438 | * Dump Work Queues (WQs) | |
6439 | */ | |
1d9d5a98 JS |
6440 | lpfc_debug_dump_wq(phba, DUMP_MBX, 0); |
6441 | lpfc_debug_dump_wq(phba, DUMP_ELS, 0); | |
895427bd | 6442 | lpfc_debug_dump_wq(phba, DUMP_NVMELS, 0); |
809c7536 | 6443 | |
cdb42bec | 6444 | for (idx = 0; idx < phba->cfg_hdw_queue; idx++) |
1d9d5a98 | 6445 | lpfc_debug_dump_wq(phba, DUMP_FCP, idx); |
809c7536 | 6446 | |
cdb42bec JS |
6447 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
6448 | for (idx = 0; idx < phba->cfg_hdw_queue; idx++) | |
6449 | lpfc_debug_dump_wq(phba, DUMP_NVME, idx); | |
6450 | } | |
895427bd | 6451 | |
809c7536 JS |
6452 | lpfc_debug_dump_hdr_rq(phba); |
6453 | lpfc_debug_dump_dat_rq(phba); | |
6454 | /* | |
6455 | * Dump Complete Queues (CQs) | |
6456 | */ | |
1d9d5a98 JS |
6457 | lpfc_debug_dump_cq(phba, DUMP_MBX, 0); |
6458 | lpfc_debug_dump_cq(phba, DUMP_ELS, 0); | |
895427bd | 6459 | lpfc_debug_dump_cq(phba, DUMP_NVMELS, 0); |
809c7536 | 6460 | |
cdb42bec | 6461 | for (idx = 0; idx < phba->cfg_hdw_queue; idx++) |
1d9d5a98 | 6462 | lpfc_debug_dump_cq(phba, DUMP_FCP, idx); |
809c7536 | 6463 | |
cdb42bec JS |
6464 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
6465 | for (idx = 0; idx < phba->cfg_hdw_queue; idx++) | |
6466 | lpfc_debug_dump_cq(phba, DUMP_NVME, idx); | |
6467 | } | |
895427bd | 6468 | |
809c7536 JS |
6469 | /* |
6470 | * Dump Event Queues (EQs) | |
6471 | */ | |
cdb42bec | 6472 | for (idx = 0; idx < phba->cfg_hdw_queue; idx++) |
1d9d5a98 | 6473 | lpfc_debug_dump_hba_eq(phba, idx); |
809c7536 | 6474 | } |