1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2019 Broadcom. All Rights Reserved. The term *
5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. *
6 * Copyright (C) 2007-2015 Emulex. All rights reserved. *
7 * EMULEX and SLI are trademarks of Emulex. *
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 *******************************************************************/
23 #include <linux/blkdev.h>
24 #include <linux/delay.h>
25 #include <linux/module.h>
26 #include <linux/dma-mapping.h>
27 #include <linux/idr.h>
28 #include <linux/interrupt.h>
29 #include <linux/kthread.h>
30 #include <linux/slab.h>
31 #include <linux/pci.h>
32 #include <linux/spinlock.h>
33 #include <linux/ctype.h>
34 #include <linux/vmalloc.h>
36 #include <scsi/scsi.h>
37 #include <scsi/scsi_device.h>
38 #include <scsi/scsi_host.h>
39 #include <scsi/scsi_transport_fc.h>
40 #include <scsi/fc/fc_fs.h>
45 #include "lpfc_sli4.h"
47 #include "lpfc_disc.h"
49 #include "lpfc_scsi.h"
50 #include "lpfc_nvme.h"
51 #include "lpfc_logmsg.h"
52 #include "lpfc_crtn.h"
53 #include "lpfc_vport.h"
54 #include "lpfc_version.h"
55 #include "lpfc_compat.h"
56 #include "lpfc_debugfs.h"
59 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
63 * To access this interface the user should:
64 * # mount -t debugfs none /sys/kernel/debug
66 * The lpfc debugfs directory hierarchy is:
67 * /sys/kernel/debug/lpfc/fnX/vportY
68 * where X is the lpfc hba function unique_id
69 * where Y is the vport VPI on that hba
71 * Debugging services available per vport:
73 * This is an ACSII readable file that contains a trace of the last
74 * lpfc_debugfs_max_disc_trc events that happened on a specific vport.
75 * See lpfc_debugfs.h for different categories of discovery events.
76 * To enable the discovery trace, the following module parameters must be set:
77 * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support
78 * lpfc_debugfs_max_disc_trc=X Where X is the event trace depth for
79 * EACH vport. X MUST also be a power of 2.
80 * lpfc_debugfs_mask_disc_trc=Y Where Y is an event mask as defined in
84 * This is an ACSII readable file that contains a trace of the last
85 * lpfc_debugfs_max_slow_ring_trc events that happened on a specific HBA.
86 * To enable the slow ring trace, the following module parameters must be set:
87 * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support
88 * lpfc_debugfs_max_slow_ring_trc=X Where X is the event trace depth for
89 * the HBA. X MUST also be a power of 2.
91 static int lpfc_debugfs_enable = 1;
92 module_param(lpfc_debugfs_enable, int, S_IRUGO);
93 MODULE_PARM_DESC(lpfc_debugfs_enable, "Enable debugfs services");
95 /* This MUST be a power of 2 */
96 static int lpfc_debugfs_max_disc_trc;
97 module_param(lpfc_debugfs_max_disc_trc, int, S_IRUGO);
98 MODULE_PARM_DESC(lpfc_debugfs_max_disc_trc,
99 "Set debugfs discovery trace depth");
101 /* This MUST be a power of 2 */
102 static int lpfc_debugfs_max_slow_ring_trc;
103 module_param(lpfc_debugfs_max_slow_ring_trc, int, S_IRUGO);
104 MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc,
105 "Set debugfs slow ring trace depth");
107 /* This MUST be a power of 2 */
108 static int lpfc_debugfs_max_nvmeio_trc;
109 module_param(lpfc_debugfs_max_nvmeio_trc, int, 0444);
110 MODULE_PARM_DESC(lpfc_debugfs_max_nvmeio_trc,
111 "Set debugfs NVME IO trace depth");
113 static int lpfc_debugfs_mask_disc_trc;
114 module_param(lpfc_debugfs_mask_disc_trc, int, S_IRUGO);
115 MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc,
116 "Set debugfs discovery trace mask");
118 #include <linux/debugfs.h>
120 static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0);
121 static unsigned long lpfc_debugfs_start_time = 0L;
124 static struct lpfc_idiag idiag;
127 * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer
128 * @vport: The vport to gather the log info from.
129 * @buf: The buffer to dump log into.
130 * @size: The maximum amount of data to process.
133 * This routine gathers the lpfc discovery debugfs data from the @vport and
134 * dumps it to @buf up to @size number of bytes. It will start at the next entry
135 * in the log and process the log until the end of the buffer. Then it will
136 * gather from the beginning of the log and process until the current entry.
139 * Discovery logging will be disabled while while this routine dumps the log.
142 * This routine returns the amount of bytes that were dumped into @buf and will
146 lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size)
148 int i, index, len, enable;
150 struct lpfc_debugfs_trc *dtp;
153 buffer = kmalloc(LPFC_DEBUG_TRC_ENTRY_SIZE, GFP_KERNEL);
157 enable = lpfc_debugfs_enable;
158 lpfc_debugfs_enable = 0;
161 index = (atomic_read(&vport->disc_trc_cnt) + 1) &
162 (lpfc_debugfs_max_disc_trc - 1);
163 for (i = index; i < lpfc_debugfs_max_disc_trc; i++) {
164 dtp = vport->disc_trc + i;
167 ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
169 LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
170 dtp->seq_cnt, ms, dtp->fmt);
171 len += scnprintf(buf+len, size-len, buffer,
172 dtp->data1, dtp->data2, dtp->data3);
174 for (i = 0; i < index; i++) {
175 dtp = vport->disc_trc + i;
178 ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
180 LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
181 dtp->seq_cnt, ms, dtp->fmt);
182 len += scnprintf(buf+len, size-len, buffer,
183 dtp->data1, dtp->data2, dtp->data3);
186 lpfc_debugfs_enable = enable;
193 * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer
194 * @phba: The HBA to gather the log info from.
195 * @buf: The buffer to dump log into.
196 * @size: The maximum amount of data to process.
199 * This routine gathers the lpfc slow ring debugfs data from the @phba and
200 * dumps it to @buf up to @size number of bytes. It will start at the next entry
201 * in the log and process the log until the end of the buffer. Then it will
202 * gather from the beginning of the log and process until the current entry.
205 * Slow ring logging will be disabled while while this routine dumps the log.
208 * This routine returns the amount of bytes that were dumped into @buf and will
212 lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size)
214 int i, index, len, enable;
216 struct lpfc_debugfs_trc *dtp;
219 buffer = kmalloc(LPFC_DEBUG_TRC_ENTRY_SIZE, GFP_KERNEL);
223 enable = lpfc_debugfs_enable;
224 lpfc_debugfs_enable = 0;
227 index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) &
228 (lpfc_debugfs_max_slow_ring_trc - 1);
229 for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) {
230 dtp = phba->slow_ring_trc + i;
233 ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
235 LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
236 dtp->seq_cnt, ms, dtp->fmt);
237 len += scnprintf(buf+len, size-len, buffer,
238 dtp->data1, dtp->data2, dtp->data3);
240 for (i = 0; i < index; i++) {
241 dtp = phba->slow_ring_trc + i;
244 ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
246 LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
247 dtp->seq_cnt, ms, dtp->fmt);
248 len += scnprintf(buf+len, size-len, buffer,
249 dtp->data1, dtp->data2, dtp->data3);
252 lpfc_debugfs_enable = enable;
258 static int lpfc_debugfs_last_hbq = -1;
261 * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer
262 * @phba: The HBA to gather host buffer info from.
263 * @buf: The buffer to dump log into.
264 * @size: The maximum amount of data to process.
267 * This routine dumps the host buffer queue info from the @phba to @buf up to
268 * @size number of bytes. A header that describes the current hbq state will be
269 * dumped to @buf first and then info on each hbq entry will be dumped to @buf
270 * until @size bytes have been dumped or all the hbq info has been dumped.
273 * This routine will rotate through each configured HBQ each time called.
276 * This routine returns the amount of bytes that were dumped into @buf and will
280 lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size)
283 int i, j, found, posted, low;
284 uint32_t phys, raw_index, getidx;
285 struct lpfc_hbq_init *hip;
287 struct lpfc_hbq_entry *hbqe;
288 struct lpfc_dmabuf *d_buf;
289 struct hbq_dmabuf *hbq_buf;
291 if (phba->sli_rev != 3)
294 spin_lock_irq(&phba->hbalock);
296 /* toggle between multiple hbqs, if any */
297 i = lpfc_sli_hbq_count();
299 lpfc_debugfs_last_hbq++;
300 if (lpfc_debugfs_last_hbq >= i)
301 lpfc_debugfs_last_hbq = 0;
304 lpfc_debugfs_last_hbq = 0;
306 i = lpfc_debugfs_last_hbq;
308 len += scnprintf(buf+len, size-len, "HBQ %d Info\n", i);
310 hbqs = &phba->hbqs[i];
312 list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list)
315 hip = lpfc_hbq_defs[i];
316 len += scnprintf(buf+len, size-len,
317 "idx:%d prof:%d rn:%d bufcnt:%d icnt:%d acnt:%d posted %d\n",
318 hip->hbq_index, hip->profile, hip->rn,
319 hip->buffer_count, hip->init_count, hip->add_count, posted);
321 raw_index = phba->hbq_get[i];
322 getidx = le32_to_cpu(raw_index);
323 len += scnprintf(buf+len, size-len,
324 "entries:%d bufcnt:%d Put:%d nPut:%d localGet:%d hbaGet:%d\n",
325 hbqs->entry_count, hbqs->buffer_count, hbqs->hbqPutIdx,
326 hbqs->next_hbqPutIdx, hbqs->local_hbqGetIdx, getidx);
328 hbqe = (struct lpfc_hbq_entry *) phba->hbqs[i].hbq_virt;
329 for (j=0; j<hbqs->entry_count; j++) {
330 len += scnprintf(buf+len, size-len,
331 "%03d: %08x %04x %05x ", j,
332 le32_to_cpu(hbqe->bde.addrLow),
333 le32_to_cpu(hbqe->bde.tus.w),
334 le32_to_cpu(hbqe->buffer_tag));
338 /* First calculate if slot has an associated posted buffer */
339 low = hbqs->hbqPutIdx - posted;
341 if ((j >= hbqs->hbqPutIdx) || (j < low)) {
342 len += scnprintf(buf + len, size - len,
348 if ((j >= hbqs->hbqPutIdx) &&
349 (j < (hbqs->entry_count+low))) {
350 len += scnprintf(buf + len, size - len,
356 /* Get the Buffer info for the posted buffer */
357 list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) {
358 hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf);
359 phys = ((uint64_t)hbq_buf->dbuf.phys & 0xffffffff);
360 if (phys == le32_to_cpu(hbqe->bde.addrLow)) {
361 len += scnprintf(buf+len, size-len,
362 "Buf%d: x%px %06x\n", i,
363 hbq_buf->dbuf.virt, hbq_buf->tag);
370 len += scnprintf(buf+len, size-len, "No DMAinfo?\n");
374 if (len > LPFC_HBQINFO_SIZE - 54)
377 spin_unlock_irq(&phba->hbalock);
381 static int lpfc_debugfs_last_xripool;
384 * lpfc_debugfs_common_xri_data - Dump Hardware Queue info to a buffer
385 * @phba: The HBA to gather host buffer info from.
386 * @buf: The buffer to dump log into.
387 * @size: The maximum amount of data to process.
390 * This routine dumps the Hardware Queue info from the @phba to @buf up to
391 * @size number of bytes. A header that describes the current hdwq state will be
392 * dumped to @buf first and then info on each hdwq entry will be dumped to @buf
393 * until @size bytes have been dumped or all the hdwq info has been dumped.
396 * This routine will rotate through each configured Hardware Queue each
400 * This routine returns the amount of bytes that were dumped into @buf and will
404 lpfc_debugfs_commonxripools_data(struct lpfc_hba *phba, char *buf, int size)
406 struct lpfc_sli4_hdw_queue *qp;
411 for (i = 0; i < phba->cfg_hdw_queue; i++) {
412 if (len > (LPFC_DUMP_MULTIXRIPOOL_SIZE - 80))
414 qp = &phba->sli4_hba.hdwq[lpfc_debugfs_last_xripool];
416 len += scnprintf(buf + len, size - len, "HdwQ %d Info ", i);
417 spin_lock_irqsave(&qp->abts_io_buf_list_lock, iflag);
418 spin_lock(&qp->io_buf_list_get_lock);
419 spin_lock(&qp->io_buf_list_put_lock);
420 out = qp->total_io_bufs - (qp->get_io_bufs + qp->put_io_bufs +
421 qp->abts_scsi_io_bufs + qp->abts_nvme_io_bufs);
422 len += scnprintf(buf + len, size - len,
423 "tot:%d get:%d put:%d mt:%d "
424 "ABTS scsi:%d nvme:%d Out:%d\n",
425 qp->total_io_bufs, qp->get_io_bufs, qp->put_io_bufs,
426 qp->empty_io_bufs, qp->abts_scsi_io_bufs,
427 qp->abts_nvme_io_bufs, out);
428 spin_unlock(&qp->io_buf_list_put_lock);
429 spin_unlock(&qp->io_buf_list_get_lock);
430 spin_unlock_irqrestore(&qp->abts_io_buf_list_lock, iflag);
432 lpfc_debugfs_last_xripool++;
433 if (lpfc_debugfs_last_xripool >= phba->cfg_hdw_queue)
434 lpfc_debugfs_last_xripool = 0;
441 * lpfc_debugfs_multixripools_data - Display multi-XRI pools information
442 * @phba: The HBA to gather host buffer info from.
443 * @buf: The buffer to dump log into.
444 * @size: The maximum amount of data to process.
447 * This routine displays current multi-XRI pools information including XRI
448 * count in public, private and txcmplq. It also displays current high and
452 * This routine returns the amount of bytes that were dumped into @buf and will
456 lpfc_debugfs_multixripools_data(struct lpfc_hba *phba, char *buf, int size)
460 struct lpfc_sli4_hdw_queue *qp;
461 struct lpfc_multixri_pool *multixri_pool;
462 struct lpfc_pvt_pool *pvt_pool;
463 struct lpfc_pbl_pool *pbl_pool;
465 char tmp[LPFC_DEBUG_OUT_LINE_SZ] = {0};
467 if (phba->sli_rev != LPFC_SLI_REV4)
470 if (!phba->sli4_hba.hdwq)
473 if (!phba->cfg_xri_rebalancing) {
474 i = lpfc_debugfs_commonxripools_data(phba, buf, size);
479 * Pbl: Current number of free XRIs in public pool
480 * Pvt: Current number of free XRIs in private pool
481 * Busy: Current number of outstanding XRIs
482 * HWM: Current high watermark
483 * pvt_empty: Incremented by 1 when IO submission fails (no xri)
484 * pbl_empty: Incremented by 1 when all pbl_pool are empty during
487 scnprintf(tmp, sizeof(tmp),
488 "HWQ: Pbl Pvt Busy HWM | pvt_empty pbl_empty ");
489 if (strlcat(buf, tmp, size) >= size)
490 return strnlen(buf, size);
494 * MAXH: Max high watermark seen so far
495 * above_lmt: Incremented by 1 if xri_owned > xri_limit during
497 * below_lmt: Incremented by 1 if xri_owned <= xri_limit during
499 * locPbl_hit: Incremented by 1 if successfully get a batch of XRI from
501 * othPbl_hit: Incremented by 1 if successfully get a batch of XRI from
504 scnprintf(tmp, sizeof(tmp),
505 "MAXH above_lmt below_lmt locPbl_hit othPbl_hit");
506 if (strlcat(buf, tmp, size) >= size)
507 return strnlen(buf, size);
510 * sPbl: snapshot of Pbl 15 sec after stat gets cleared
511 * sPvt: snapshot of Pvt 15 sec after stat gets cleared
512 * sBusy: snapshot of Busy 15 sec after stat gets cleared
514 scnprintf(tmp, sizeof(tmp),
515 " | sPbl sPvt sBusy");
516 if (strlcat(buf, tmp, size) >= size)
517 return strnlen(buf, size);
520 scnprintf(tmp, sizeof(tmp), "\n");
521 if (strlcat(buf, tmp, size) >= size)
522 return strnlen(buf, size);
524 hwq_count = phba->cfg_hdw_queue;
525 for (i = 0; i < hwq_count; i++) {
526 qp = &phba->sli4_hba.hdwq[i];
527 multixri_pool = qp->p_multixri_pool;
530 pbl_pool = &multixri_pool->pbl_pool;
531 pvt_pool = &multixri_pool->pvt_pool;
532 txcmplq_cnt = qp->io_wq->pring->txcmplq_cnt;
534 scnprintf(tmp, sizeof(tmp),
535 "%03d: %4d %4d %4d %4d | %10d %10d ",
536 i, pbl_pool->count, pvt_pool->count,
537 txcmplq_cnt, pvt_pool->high_watermark,
538 qp->empty_io_bufs, multixri_pool->pbl_empty_count);
539 if (strlcat(buf, tmp, size) >= size)
543 scnprintf(tmp, sizeof(tmp),
544 "%4d %10d %10d %10d %10d",
545 multixri_pool->stat_max_hwm,
546 multixri_pool->above_limit_count,
547 multixri_pool->below_limit_count,
548 multixri_pool->local_pbl_hit_count,
549 multixri_pool->other_pbl_hit_count);
550 if (strlcat(buf, tmp, size) >= size)
553 scnprintf(tmp, sizeof(tmp),
555 multixri_pool->stat_pbl_count,
556 multixri_pool->stat_pvt_count,
557 multixri_pool->stat_busy_count);
558 if (strlcat(buf, tmp, size) >= size)
562 scnprintf(tmp, sizeof(tmp), "\n");
563 if (strlcat(buf, tmp, size) >= size)
566 return strnlen(buf, size);
570 #ifdef LPFC_HDWQ_LOCK_STAT
571 static int lpfc_debugfs_last_lock;
574 * lpfc_debugfs_lockstat_data - Dump Hardware Queue info to a buffer
575 * @phba: The HBA to gather host buffer info from.
576 * @buf: The buffer to dump log into.
577 * @size: The maximum amount of data to process.
580 * This routine dumps the Hardware Queue info from the @phba to @buf up to
581 * @size number of bytes. A header that describes the current hdwq state will be
582 * dumped to @buf first and then info on each hdwq entry will be dumped to @buf
583 * until @size bytes have been dumped or all the hdwq info has been dumped.
586 * This routine will rotate through each configured Hardware Queue each
590 * This routine returns the amount of bytes that were dumped into @buf and will
594 lpfc_debugfs_lockstat_data(struct lpfc_hba *phba, char *buf, int size)
596 struct lpfc_sli4_hdw_queue *qp;
600 if (phba->sli_rev != LPFC_SLI_REV4)
603 if (!phba->sli4_hba.hdwq)
606 for (i = 0; i < phba->cfg_hdw_queue; i++) {
607 if (len > (LPFC_HDWQINFO_SIZE - 100))
609 qp = &phba->sli4_hba.hdwq[lpfc_debugfs_last_lock];
611 len += scnprintf(buf + len, size - len, "HdwQ %03d Lock ", i);
612 if (phba->cfg_xri_rebalancing) {
613 len += scnprintf(buf + len, size - len,
614 "get_pvt:%d mv_pvt:%d "
615 "mv2pub:%d mv2pvt:%d "
616 "put_pvt:%d put_pub:%d wq:%d\n",
617 qp->lock_conflict.alloc_pvt_pool,
618 qp->lock_conflict.mv_from_pvt_pool,
619 qp->lock_conflict.mv_to_pub_pool,
620 qp->lock_conflict.mv_to_pvt_pool,
621 qp->lock_conflict.free_pvt_pool,
622 qp->lock_conflict.free_pub_pool,
623 qp->lock_conflict.wq_access);
625 len += scnprintf(buf + len, size - len,
626 "get:%d put:%d free:%d wq:%d\n",
627 qp->lock_conflict.alloc_xri_get,
628 qp->lock_conflict.alloc_xri_put,
629 qp->lock_conflict.free_xri,
630 qp->lock_conflict.wq_access);
633 lpfc_debugfs_last_lock++;
634 if (lpfc_debugfs_last_lock >= phba->cfg_hdw_queue)
635 lpfc_debugfs_last_lock = 0;
642 static int lpfc_debugfs_last_hba_slim_off;
645 * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer
646 * @phba: The HBA to gather SLIM info from.
647 * @buf: The buffer to dump log into.
648 * @size: The maximum amount of data to process.
651 * This routine dumps the current contents of HBA SLIM for the HBA associated
652 * with @phba to @buf up to @size bytes of data. This is the raw HBA SLIM data.
655 * This routine will only dump up to 1024 bytes of data each time called and
656 * should be called multiple times to dump the entire HBA SLIM.
659 * This routine returns the amount of bytes that were dumped into @buf and will
663 lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size)
670 buffer = kmalloc(1024, GFP_KERNEL);
675 spin_lock_irq(&phba->hbalock);
677 len += scnprintf(buf+len, size-len, "HBA SLIM\n");
678 lpfc_memcpy_from_slim(buffer,
679 phba->MBslimaddr + lpfc_debugfs_last_hba_slim_off, 1024);
681 ptr = (uint32_t *)&buffer[0];
682 off = lpfc_debugfs_last_hba_slim_off;
684 /* Set it up for the next time */
685 lpfc_debugfs_last_hba_slim_off += 1024;
686 if (lpfc_debugfs_last_hba_slim_off >= 4096)
687 lpfc_debugfs_last_hba_slim_off = 0;
691 len += scnprintf(buf+len, size-len,
692 "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
693 off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
694 *(ptr+5), *(ptr+6), *(ptr+7));
696 i -= (8 * sizeof(uint32_t));
697 off += (8 * sizeof(uint32_t));
700 spin_unlock_irq(&phba->hbalock);
707 * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer
708 * @phba: The HBA to gather Host SLIM info from.
709 * @buf: The buffer to dump log into.
710 * @size: The maximum amount of data to process.
713 * This routine dumps the current contents of host SLIM for the host associated
714 * with @phba to @buf up to @size bytes of data. The dump will contain the
715 * Mailbox, PCB, Rings, and Registers that are located in host memory.
718 * This routine returns the amount of bytes that were dumped into @buf and will
722 lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size)
726 uint32_t word0, word1, word2, word3;
728 struct lpfc_pgp *pgpp;
729 struct lpfc_sli *psli = &phba->sli;
730 struct lpfc_sli_ring *pring;
733 spin_lock_irq(&phba->hbalock);
735 len += scnprintf(buf+len, size-len, "SLIM Mailbox\n");
736 ptr = (uint32_t *)phba->slim2p.virt;
737 i = sizeof(MAILBOX_t);
739 len += scnprintf(buf+len, size-len,
740 "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
741 off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
742 *(ptr+5), *(ptr+6), *(ptr+7));
744 i -= (8 * sizeof(uint32_t));
745 off += (8 * sizeof(uint32_t));
748 len += scnprintf(buf+len, size-len, "SLIM PCB\n");
749 ptr = (uint32_t *)phba->pcb;
752 len += scnprintf(buf+len, size-len,
753 "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
754 off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
755 *(ptr+5), *(ptr+6), *(ptr+7));
757 i -= (8 * sizeof(uint32_t));
758 off += (8 * sizeof(uint32_t));
761 if (phba->sli_rev <= LPFC_SLI_REV3) {
762 for (i = 0; i < 4; i++) {
763 pgpp = &phba->port_gp[i];
764 pring = &psli->sli3_ring[i];
765 len += scnprintf(buf+len, size-len,
766 "Ring %d: CMD GetInx:%d "
769 "RSP PutInx:%d Max:%d\n",
771 pring->sli.sli3.numCiocb,
772 pring->sli.sli3.next_cmdidx,
773 pring->sli.sli3.local_getidx,
774 pring->flag, pgpp->rspPutInx,
775 pring->sli.sli3.numRiocb);
778 word0 = readl(phba->HAregaddr);
779 word1 = readl(phba->CAregaddr);
780 word2 = readl(phba->HSregaddr);
781 word3 = readl(phba->HCregaddr);
782 len += scnprintf(buf+len, size-len, "HA:%08x CA:%08x HS:%08x "
783 "HC:%08x\n", word0, word1, word2, word3);
785 spin_unlock_irq(&phba->hbalock);
790 * lpfc_debugfs_nodelist_data - Dump target node list to a buffer
791 * @vport: The vport to gather target node info from.
792 * @buf: The buffer to dump log into.
793 * @size: The maximum amount of data to process.
796 * This routine dumps the current target node list associated with @vport to
797 * @buf up to @size bytes of data. Each node entry in the dump will contain a
798 * node state, DID, WWPN, WWNN, RPI, flags, type, and other useful fields.
801 * This routine returns the amount of bytes that were dumped into @buf and will
805 lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size)
808 int i, iocnt, outio, cnt;
809 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
810 struct lpfc_hba *phba = vport->phba;
811 struct lpfc_nodelist *ndlp;
812 unsigned char *statep;
813 struct nvme_fc_local_port *localport;
814 struct nvme_fc_remote_port *nrport = NULL;
815 struct lpfc_nvme_rport *rport;
817 cnt = (LPFC_NODELIST_SIZE / LPFC_NODELIST_ENTRY_SIZE);
820 len += scnprintf(buf+len, size-len, "\nFCP Nodelist Entries ...\n");
821 spin_lock_irq(shost->host_lock);
822 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
825 len += scnprintf(buf+len, size-len,
826 "Missing Nodelist Entries\n");
830 switch (ndlp->nlp_state) {
831 case NLP_STE_UNUSED_NODE:
834 case NLP_STE_PLOGI_ISSUE:
837 case NLP_STE_ADISC_ISSUE:
840 case NLP_STE_REG_LOGIN_ISSUE:
843 case NLP_STE_PRLI_ISSUE:
846 case NLP_STE_LOGO_ISSUE:
849 case NLP_STE_UNMAPPED_NODE:
853 case NLP_STE_MAPPED_NODE:
857 case NLP_STE_NPR_NODE:
863 len += scnprintf(buf+len, size-len, "%s DID:x%06x ",
864 statep, ndlp->nlp_DID);
865 len += scnprintf(buf+len, size-len,
867 wwn_to_u64(ndlp->nlp_portname.u.wwn));
868 len += scnprintf(buf+len, size-len,
870 wwn_to_u64(ndlp->nlp_nodename.u.wwn));
871 if (ndlp->nlp_flag & NLP_RPI_REGISTERED)
872 len += scnprintf(buf+len, size-len, "RPI:%03d ",
875 len += scnprintf(buf+len, size-len, "RPI:none ");
876 len += scnprintf(buf+len, size-len, "flag:x%08x ",
879 len += scnprintf(buf+len, size-len, "UNKNOWN_TYPE ");
880 if (ndlp->nlp_type & NLP_FC_NODE)
881 len += scnprintf(buf+len, size-len, "FC_NODE ");
882 if (ndlp->nlp_type & NLP_FABRIC) {
883 len += scnprintf(buf+len, size-len, "FABRIC ");
886 if (ndlp->nlp_type & NLP_FCP_TARGET)
887 len += scnprintf(buf+len, size-len, "FCP_TGT sid:%d ",
889 if (ndlp->nlp_type & NLP_FCP_INITIATOR)
890 len += scnprintf(buf+len, size-len, "FCP_INITIATOR ");
891 if (ndlp->nlp_type & NLP_NVME_TARGET)
892 len += scnprintf(buf + len,
893 size - len, "NVME_TGT sid:%d ",
895 if (ndlp->nlp_type & NLP_NVME_INITIATOR)
896 len += scnprintf(buf + len,
897 size - len, "NVME_INITIATOR ");
898 len += scnprintf(buf+len, size-len, "usgmap:%x ",
900 len += scnprintf(buf+len, size-len, "refcnt:%x",
901 kref_read(&ndlp->kref));
903 i = atomic_read(&ndlp->cmd_pending);
904 len += scnprintf(buf + len, size - len,
905 " OutIO:x%x Qdepth x%x",
906 i, ndlp->cmd_qdepth);
909 len += scnprintf(buf + len, size - len, "defer:%x ",
910 ndlp->nlp_defer_did);
911 len += scnprintf(buf+len, size-len, "\n");
913 spin_unlock_irq(shost->host_lock);
915 len += scnprintf(buf + len, size - len,
916 "\nOutstanding IO x%x\n", outio);
918 if (phba->nvmet_support && phba->targetport && (vport == phba->pport)) {
919 len += scnprintf(buf + len, size - len,
920 "\nNVME Targetport Entry ...\n");
922 /* Port state is only one of two values for now. */
923 if (phba->targetport->port_id)
924 statep = "REGISTERED";
927 len += scnprintf(buf + len, size - len,
928 "TGT WWNN x%llx WWPN x%llx State %s\n",
929 wwn_to_u64(vport->fc_nodename.u.wwn),
930 wwn_to_u64(vport->fc_portname.u.wwn),
932 len += scnprintf(buf + len, size - len,
933 " Targetport DID x%06x\n",
934 phba->targetport->port_id);
938 len += scnprintf(buf + len, size - len,
939 "\nNVME Lport/Rport Entries ...\n");
941 localport = vport->localport;
945 spin_lock_irq(shost->host_lock);
947 /* Port state is only one of two values for now. */
948 if (localport->port_id)
953 len += scnprintf(buf + len, size - len,
954 "Lport DID x%06x PortState %s\n",
955 localport->port_id, statep);
957 len += scnprintf(buf + len, size - len, "\tRport List:\n");
958 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
959 /* local short-hand pointer. */
960 spin_lock(&phba->hbalock);
961 rport = lpfc_ndlp_get_nrport(ndlp);
963 nrport = rport->remoteport;
966 spin_unlock(&phba->hbalock);
970 /* Port state is only one of two values for now. */
971 switch (nrport->port_state) {
972 case FC_OBJSTATE_ONLINE:
975 case FC_OBJSTATE_UNKNOWN:
979 statep = "UNSUPPORTED";
983 /* Tab in to show lport ownership. */
984 len += scnprintf(buf + len, size - len,
985 "\t%s Port ID:x%06x ",
986 statep, nrport->port_id);
987 len += scnprintf(buf + len, size - len, "WWPN x%llx ",
989 len += scnprintf(buf + len, size - len, "WWNN x%llx ",
992 /* An NVME rport can have multiple roles. */
993 if (nrport->port_role & FC_PORT_ROLE_NVME_INITIATOR)
994 len += scnprintf(buf + len, size - len,
996 if (nrport->port_role & FC_PORT_ROLE_NVME_TARGET)
997 len += scnprintf(buf + len, size - len,
999 if (nrport->port_role & FC_PORT_ROLE_NVME_DISCOVERY)
1000 len += scnprintf(buf + len, size - len,
1002 if (nrport->port_role & ~(FC_PORT_ROLE_NVME_INITIATOR |
1003 FC_PORT_ROLE_NVME_TARGET |
1004 FC_PORT_ROLE_NVME_DISCOVERY))
1005 len += scnprintf(buf + len, size - len,
1008 /* Terminate the string. */
1009 len += scnprintf(buf + len, size - len, "\n");
1012 spin_unlock_irq(shost->host_lock);
1018 * lpfc_debugfs_nvmestat_data - Dump target node list to a buffer
1019 * @vport: The vport to gather target node info from.
1020 * @buf: The buffer to dump log into.
1021 * @size: The maximum amount of data to process.
1024 * This routine dumps the NVME statistics associated with @vport
1027 * This routine returns the amount of bytes that were dumped into @buf and will
1031 lpfc_debugfs_nvmestat_data(struct lpfc_vport *vport, char *buf, int size)
1033 struct lpfc_hba *phba = vport->phba;
1034 struct lpfc_nvmet_tgtport *tgtp;
1035 struct lpfc_async_xchg_ctx *ctxp, *next_ctxp;
1036 struct nvme_fc_local_port *localport;
1037 struct lpfc_fc4_ctrl_stat *cstat;
1038 struct lpfc_nvme_lport *lport;
1039 uint64_t data1, data2, data3;
1040 uint64_t tot, totin, totout;
1044 if (phba->nvmet_support) {
1045 if (!phba->targetport)
1047 tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
1048 len += scnprintf(buf + len, size - len,
1049 "\nNVME Targetport Statistics\n");
1051 len += scnprintf(buf + len, size - len,
1052 "LS: Rcv %08x Drop %08x Abort %08x\n",
1053 atomic_read(&tgtp->rcv_ls_req_in),
1054 atomic_read(&tgtp->rcv_ls_req_drop),
1055 atomic_read(&tgtp->xmt_ls_abort));
1056 if (atomic_read(&tgtp->rcv_ls_req_in) !=
1057 atomic_read(&tgtp->rcv_ls_req_out)) {
1058 len += scnprintf(buf + len, size - len,
1059 "Rcv LS: in %08x != out %08x\n",
1060 atomic_read(&tgtp->rcv_ls_req_in),
1061 atomic_read(&tgtp->rcv_ls_req_out));
1064 len += scnprintf(buf + len, size - len,
1065 "LS: Xmt %08x Drop %08x Cmpl %08x\n",
1066 atomic_read(&tgtp->xmt_ls_rsp),
1067 atomic_read(&tgtp->xmt_ls_drop),
1068 atomic_read(&tgtp->xmt_ls_rsp_cmpl));
1070 len += scnprintf(buf + len, size - len,
1071 "LS: RSP Abort %08x xb %08x Err %08x\n",
1072 atomic_read(&tgtp->xmt_ls_rsp_aborted),
1073 atomic_read(&tgtp->xmt_ls_rsp_xb_set),
1074 atomic_read(&tgtp->xmt_ls_rsp_error));
1076 len += scnprintf(buf + len, size - len,
1077 "FCP: Rcv %08x Defer %08x Release %08x "
1079 atomic_read(&tgtp->rcv_fcp_cmd_in),
1080 atomic_read(&tgtp->rcv_fcp_cmd_defer),
1081 atomic_read(&tgtp->xmt_fcp_release),
1082 atomic_read(&tgtp->rcv_fcp_cmd_drop));
1084 if (atomic_read(&tgtp->rcv_fcp_cmd_in) !=
1085 atomic_read(&tgtp->rcv_fcp_cmd_out)) {
1086 len += scnprintf(buf + len, size - len,
1087 "Rcv FCP: in %08x != out %08x\n",
1088 atomic_read(&tgtp->rcv_fcp_cmd_in),
1089 atomic_read(&tgtp->rcv_fcp_cmd_out));
1092 len += scnprintf(buf + len, size - len,
1093 "FCP Rsp: read %08x readrsp %08x "
1094 "write %08x rsp %08x\n",
1095 atomic_read(&tgtp->xmt_fcp_read),
1096 atomic_read(&tgtp->xmt_fcp_read_rsp),
1097 atomic_read(&tgtp->xmt_fcp_write),
1098 atomic_read(&tgtp->xmt_fcp_rsp));
1100 len += scnprintf(buf + len, size - len,
1101 "FCP Rsp Cmpl: %08x err %08x drop %08x\n",
1102 atomic_read(&tgtp->xmt_fcp_rsp_cmpl),
1103 atomic_read(&tgtp->xmt_fcp_rsp_error),
1104 atomic_read(&tgtp->xmt_fcp_rsp_drop));
1106 len += scnprintf(buf + len, size - len,
1107 "FCP Rsp Abort: %08x xb %08x xricqe %08x\n",
1108 atomic_read(&tgtp->xmt_fcp_rsp_aborted),
1109 atomic_read(&tgtp->xmt_fcp_rsp_xb_set),
1110 atomic_read(&tgtp->xmt_fcp_xri_abort_cqe));
1112 len += scnprintf(buf + len, size - len,
1113 "ABORT: Xmt %08x Cmpl %08x\n",
1114 atomic_read(&tgtp->xmt_fcp_abort),
1115 atomic_read(&tgtp->xmt_fcp_abort_cmpl));
1117 len += scnprintf(buf + len, size - len,
1118 "ABORT: Sol %08x Usol %08x Err %08x Cmpl %08x",
1119 atomic_read(&tgtp->xmt_abort_sol),
1120 atomic_read(&tgtp->xmt_abort_unsol),
1121 atomic_read(&tgtp->xmt_abort_rsp),
1122 atomic_read(&tgtp->xmt_abort_rsp_error));
1124 len += scnprintf(buf + len, size - len, "\n");
1127 spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
1128 list_for_each_entry_safe(ctxp, next_ctxp,
1129 &phba->sli4_hba.lpfc_abts_nvmet_ctx_list,
1133 spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
1135 len += scnprintf(buf + len, size - len,
1136 "ABORT: %d ctx entries\n", cnt);
1137 spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
1138 list_for_each_entry_safe(ctxp, next_ctxp,
1139 &phba->sli4_hba.lpfc_abts_nvmet_ctx_list,
1141 if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ))
1143 len += scnprintf(buf + len, size - len,
1144 "Entry: oxid %x state %x "
1146 ctxp->oxid, ctxp->state,
1149 spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
1152 /* Calculate outstanding IOs */
1153 tot = atomic_read(&tgtp->rcv_fcp_cmd_drop);
1154 tot += atomic_read(&tgtp->xmt_fcp_release);
1155 tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot;
1157 len += scnprintf(buf + len, size - len,
1158 "IO_CTX: %08x WAIT: cur %08x tot %08x\n"
1159 "CTX Outstanding %08llx\n",
1160 phba->sli4_hba.nvmet_xri_cnt,
1161 phba->sli4_hba.nvmet_io_wait_cnt,
1162 phba->sli4_hba.nvmet_io_wait_total,
1165 if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_NVME))
1168 localport = vport->localport;
1171 lport = (struct lpfc_nvme_lport *)localport->private;
1175 len += scnprintf(buf + len, size - len,
1176 "\nNVME HDWQ Statistics\n");
1178 len += scnprintf(buf + len, size - len,
1179 "LS: Xmt %016x Cmpl %016x\n",
1180 atomic_read(&lport->fc4NvmeLsRequests),
1181 atomic_read(&lport->fc4NvmeLsCmpls));
1185 for (i = 0; i < phba->cfg_hdw_queue; i++) {
1186 cstat = &phba->sli4_hba.hdwq[i].nvme_cstat;
1187 tot = cstat->io_cmpls;
1189 data1 = cstat->input_requests;
1190 data2 = cstat->output_requests;
1191 data3 = cstat->control_requests;
1192 totout += (data1 + data2 + data3);
1194 /* Limit to 32, debugfs display buffer limitation */
1198 len += scnprintf(buf + len, PAGE_SIZE - len,
1199 "HDWQ (%d): Rd %016llx Wr %016llx "
1201 i, data1, data2, data3);
1202 len += scnprintf(buf + len, PAGE_SIZE - len,
1203 "Cmpl %016llx OutIO %016llx\n",
1204 tot, ((data1 + data2 + data3) - tot));
1206 len += scnprintf(buf + len, PAGE_SIZE - len,
1207 "Total FCP Cmpl %016llx Issue %016llx "
1209 totin, totout, totout - totin);
1211 len += scnprintf(buf + len, size - len,
1212 "LS Xmt Err: Abrt %08x Err %08x "
1213 "Cmpl Err: xb %08x Err %08x\n",
1214 atomic_read(&lport->xmt_ls_abort),
1215 atomic_read(&lport->xmt_ls_err),
1216 atomic_read(&lport->cmpl_ls_xb),
1217 atomic_read(&lport->cmpl_ls_err));
1219 len += scnprintf(buf + len, size - len,
1220 "FCP Xmt Err: noxri %06x nondlp %06x "
1221 "qdepth %06x wqerr %06x err %06x Abrt %06x\n",
1222 atomic_read(&lport->xmt_fcp_noxri),
1223 atomic_read(&lport->xmt_fcp_bad_ndlp),
1224 atomic_read(&lport->xmt_fcp_qdepth),
1225 atomic_read(&lport->xmt_fcp_wqerr),
1226 atomic_read(&lport->xmt_fcp_err),
1227 atomic_read(&lport->xmt_fcp_abort));
1229 len += scnprintf(buf + len, size - len,
1230 "FCP Cmpl Err: xb %08x Err %08x\n",
1231 atomic_read(&lport->cmpl_fcp_xb),
1232 atomic_read(&lport->cmpl_fcp_err));
1240 * lpfc_debugfs_scsistat_data - Dump target node list to a buffer
1241 * @vport: The vport to gather target node info from.
1242 * @buf: The buffer to dump log into.
1243 * @size: The maximum amount of data to process.
1246 * This routine dumps the SCSI statistics associated with @vport
1249 * This routine returns the amount of bytes that were dumped into @buf and will
1253 lpfc_debugfs_scsistat_data(struct lpfc_vport *vport, char *buf, int size)
1256 struct lpfc_hba *phba = vport->phba;
1257 struct lpfc_fc4_ctrl_stat *cstat;
1258 u64 data1, data2, data3;
1259 u64 tot, totin, totout;
1261 char tmp[LPFC_MAX_SCSI_INFO_TMP_LEN] = {0};
1263 if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_FCP) ||
1264 (phba->sli_rev != LPFC_SLI_REV4))
1267 scnprintf(buf, size, "SCSI HDWQ Statistics\n");
1271 for (i = 0; i < phba->cfg_hdw_queue; i++) {
1272 cstat = &phba->sli4_hba.hdwq[i].scsi_cstat;
1273 tot = cstat->io_cmpls;
1275 data1 = cstat->input_requests;
1276 data2 = cstat->output_requests;
1277 data3 = cstat->control_requests;
1278 totout += (data1 + data2 + data3);
1280 scnprintf(tmp, sizeof(tmp), "HDWQ (%d): Rd %016llx Wr %016llx "
1281 "IO %016llx ", i, data1, data2, data3);
1282 if (strlcat(buf, tmp, size) >= size)
1285 scnprintf(tmp, sizeof(tmp), "Cmpl %016llx OutIO %016llx\n",
1286 tot, ((data1 + data2 + data3) - tot));
1287 if (strlcat(buf, tmp, size) >= size)
1290 scnprintf(tmp, sizeof(tmp), "Total FCP Cmpl %016llx Issue %016llx "
1291 "OutIO %016llx\n", totin, totout, totout - totin);
1292 strlcat(buf, tmp, size);
1295 len = strnlen(buf, size);
1301 lpfc_io_ktime(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_cmd)
1303 uint64_t seg1, seg2, seg3, seg4;
1306 if (!lpfc_cmd->ts_last_cmd ||
1307 !lpfc_cmd->ts_cmd_start ||
1308 !lpfc_cmd->ts_cmd_wqput ||
1309 !lpfc_cmd->ts_isr_cmpl ||
1310 !lpfc_cmd->ts_data_io)
1313 if (lpfc_cmd->ts_data_io < lpfc_cmd->ts_cmd_start)
1315 if (lpfc_cmd->ts_cmd_start < lpfc_cmd->ts_last_cmd)
1317 if (lpfc_cmd->ts_cmd_wqput < lpfc_cmd->ts_cmd_start)
1319 if (lpfc_cmd->ts_isr_cmpl < lpfc_cmd->ts_cmd_wqput)
1321 if (lpfc_cmd->ts_data_io < lpfc_cmd->ts_isr_cmpl)
1324 * Segment 1 - Time from Last FCP command cmpl is handed
1325 * off to NVME Layer to start of next command.
1326 * Segment 2 - Time from Driver receives a IO cmd start
1327 * from NVME Layer to WQ put is done on IO cmd.
1328 * Segment 3 - Time from Driver WQ put is done on IO cmd
1329 * to MSI-X ISR for IO cmpl.
1330 * Segment 4 - Time from MSI-X ISR for IO cmpl to when
1331 * cmpl is handled off to the NVME Layer.
1333 seg1 = lpfc_cmd->ts_cmd_start - lpfc_cmd->ts_last_cmd;
1334 if (seg1 > 5000000) /* 5 ms - for sequential IOs only */
1337 /* Calculate times relative to start of IO */
1338 seg2 = (lpfc_cmd->ts_cmd_wqput - lpfc_cmd->ts_cmd_start);
1340 seg3 = lpfc_cmd->ts_isr_cmpl - lpfc_cmd->ts_cmd_start;
1346 seg4 = lpfc_cmd->ts_data_io - lpfc_cmd->ts_cmd_start;
1351 phba->ktime_data_samples++;
1352 phba->ktime_seg1_total += seg1;
1353 if (seg1 < phba->ktime_seg1_min)
1354 phba->ktime_seg1_min = seg1;
1355 else if (seg1 > phba->ktime_seg1_max)
1356 phba->ktime_seg1_max = seg1;
1357 phba->ktime_seg2_total += seg2;
1358 if (seg2 < phba->ktime_seg2_min)
1359 phba->ktime_seg2_min = seg2;
1360 else if (seg2 > phba->ktime_seg2_max)
1361 phba->ktime_seg2_max = seg2;
1362 phba->ktime_seg3_total += seg3;
1363 if (seg3 < phba->ktime_seg3_min)
1364 phba->ktime_seg3_min = seg3;
1365 else if (seg3 > phba->ktime_seg3_max)
1366 phba->ktime_seg3_max = seg3;
1367 phba->ktime_seg4_total += seg4;
1368 if (seg4 < phba->ktime_seg4_min)
1369 phba->ktime_seg4_min = seg4;
1370 else if (seg4 > phba->ktime_seg4_max)
1371 phba->ktime_seg4_max = seg4;
1373 lpfc_cmd->ts_last_cmd = 0;
1374 lpfc_cmd->ts_cmd_start = 0;
1375 lpfc_cmd->ts_cmd_wqput = 0;
1376 lpfc_cmd->ts_isr_cmpl = 0;
1377 lpfc_cmd->ts_data_io = 0;
1381 * lpfc_debugfs_ioktime_data - Dump target node list to a buffer
1382 * @vport: The vport to gather target node info from.
1383 * @buf: The buffer to dump log into.
1384 * @size: The maximum amount of data to process.
1387 * This routine dumps the NVME statistics associated with @vport
1390 * This routine returns the amount of bytes that were dumped into @buf and will
1394 lpfc_debugfs_ioktime_data(struct lpfc_vport *vport, char *buf, int size)
1396 struct lpfc_hba *phba = vport->phba;
1399 if (phba->nvmet_support == 0) {
1401 len += scnprintf(buf + len, PAGE_SIZE - len,
1402 "ktime %s: Total Samples: %lld\n",
1403 (phba->ktime_on ? "Enabled" : "Disabled"),
1404 phba->ktime_data_samples);
1405 if (phba->ktime_data_samples == 0)
1409 buf + len, PAGE_SIZE - len,
1410 "Segment 1: Last Cmd cmpl "
1411 "done -to- Start of next Cmd (in driver)\n");
1413 buf + len, PAGE_SIZE - len,
1414 "avg:%08lld min:%08lld max %08lld\n",
1415 div_u64(phba->ktime_seg1_total,
1416 phba->ktime_data_samples),
1417 phba->ktime_seg1_min,
1418 phba->ktime_seg1_max);
1420 buf + len, PAGE_SIZE - len,
1421 "Segment 2: Driver start of Cmd "
1422 "-to- Firmware WQ doorbell\n");
1424 buf + len, PAGE_SIZE - len,
1425 "avg:%08lld min:%08lld max %08lld\n",
1426 div_u64(phba->ktime_seg2_total,
1427 phba->ktime_data_samples),
1428 phba->ktime_seg2_min,
1429 phba->ktime_seg2_max);
1431 buf + len, PAGE_SIZE - len,
1432 "Segment 3: Firmware WQ doorbell -to- "
1433 "MSI-X ISR cmpl\n");
1435 buf + len, PAGE_SIZE - len,
1436 "avg:%08lld min:%08lld max %08lld\n",
1437 div_u64(phba->ktime_seg3_total,
1438 phba->ktime_data_samples),
1439 phba->ktime_seg3_min,
1440 phba->ktime_seg3_max);
1442 buf + len, PAGE_SIZE - len,
1443 "Segment 4: MSI-X ISR cmpl -to- "
1446 buf + len, PAGE_SIZE - len,
1447 "avg:%08lld min:%08lld max %08lld\n",
1448 div_u64(phba->ktime_seg4_total,
1449 phba->ktime_data_samples),
1450 phba->ktime_seg4_min,
1451 phba->ktime_seg4_max);
1453 buf + len, PAGE_SIZE - len,
1454 "Total IO avg time: %08lld\n",
1455 div_u64(phba->ktime_seg1_total +
1456 phba->ktime_seg2_total +
1457 phba->ktime_seg3_total +
1458 phba->ktime_seg4_total,
1459 phba->ktime_data_samples));
1464 len += scnprintf(buf + len, PAGE_SIZE-len,
1465 "ktime %s: Total Samples: %lld %lld\n",
1466 (phba->ktime_on ? "Enabled" : "Disabled"),
1467 phba->ktime_data_samples,
1468 phba->ktime_status_samples);
1469 if (phba->ktime_data_samples == 0)
1472 len += scnprintf(buf + len, PAGE_SIZE-len,
1473 "Segment 1: MSI-X ISR Rcv cmd -to- "
1474 "cmd pass to NVME Layer\n");
1475 len += scnprintf(buf + len, PAGE_SIZE-len,
1476 "avg:%08lld min:%08lld max %08lld\n",
1477 div_u64(phba->ktime_seg1_total,
1478 phba->ktime_data_samples),
1479 phba->ktime_seg1_min,
1480 phba->ktime_seg1_max);
1481 len += scnprintf(buf + len, PAGE_SIZE-len,
1482 "Segment 2: cmd pass to NVME Layer- "
1483 "-to- Driver rcv cmd OP (action)\n");
1484 len += scnprintf(buf + len, PAGE_SIZE-len,
1485 "avg:%08lld min:%08lld max %08lld\n",
1486 div_u64(phba->ktime_seg2_total,
1487 phba->ktime_data_samples),
1488 phba->ktime_seg2_min,
1489 phba->ktime_seg2_max);
1490 len += scnprintf(buf + len, PAGE_SIZE-len,
1491 "Segment 3: Driver rcv cmd OP -to- "
1492 "Firmware WQ doorbell: cmd\n");
1493 len += scnprintf(buf + len, PAGE_SIZE-len,
1494 "avg:%08lld min:%08lld max %08lld\n",
1495 div_u64(phba->ktime_seg3_total,
1496 phba->ktime_data_samples),
1497 phba->ktime_seg3_min,
1498 phba->ktime_seg3_max);
1499 len += scnprintf(buf + len, PAGE_SIZE-len,
1500 "Segment 4: Firmware WQ doorbell: cmd "
1501 "-to- MSI-X ISR for cmd cmpl\n");
1502 len += scnprintf(buf + len, PAGE_SIZE-len,
1503 "avg:%08lld min:%08lld max %08lld\n",
1504 div_u64(phba->ktime_seg4_total,
1505 phba->ktime_data_samples),
1506 phba->ktime_seg4_min,
1507 phba->ktime_seg4_max);
1508 len += scnprintf(buf + len, PAGE_SIZE-len,
1509 "Segment 5: MSI-X ISR for cmd cmpl "
1510 "-to- NVME layer passed cmd done\n");
1511 len += scnprintf(buf + len, PAGE_SIZE-len,
1512 "avg:%08lld min:%08lld max %08lld\n",
1513 div_u64(phba->ktime_seg5_total,
1514 phba->ktime_data_samples),
1515 phba->ktime_seg5_min,
1516 phba->ktime_seg5_max);
1518 if (phba->ktime_status_samples == 0) {
1519 len += scnprintf(buf + len, PAGE_SIZE-len,
1520 "Total: cmd received by MSI-X ISR "
1521 "-to- cmd completed on wire\n");
1522 len += scnprintf(buf + len, PAGE_SIZE-len,
1523 "avg:%08lld min:%08lld "
1525 div_u64(phba->ktime_seg10_total,
1526 phba->ktime_data_samples),
1527 phba->ktime_seg10_min,
1528 phba->ktime_seg10_max);
1532 len += scnprintf(buf + len, PAGE_SIZE-len,
1533 "Segment 6: NVME layer passed cmd done "
1534 "-to- Driver rcv rsp status OP\n");
1535 len += scnprintf(buf + len, PAGE_SIZE-len,
1536 "avg:%08lld min:%08lld max %08lld\n",
1537 div_u64(phba->ktime_seg6_total,
1538 phba->ktime_status_samples),
1539 phba->ktime_seg6_min,
1540 phba->ktime_seg6_max);
1541 len += scnprintf(buf + len, PAGE_SIZE-len,
1542 "Segment 7: Driver rcv rsp status OP "
1543 "-to- Firmware WQ doorbell: status\n");
1544 len += scnprintf(buf + len, PAGE_SIZE-len,
1545 "avg:%08lld min:%08lld max %08lld\n",
1546 div_u64(phba->ktime_seg7_total,
1547 phba->ktime_status_samples),
1548 phba->ktime_seg7_min,
1549 phba->ktime_seg7_max);
1550 len += scnprintf(buf + len, PAGE_SIZE-len,
1551 "Segment 8: Firmware WQ doorbell: status"
1552 " -to- MSI-X ISR for status cmpl\n");
1553 len += scnprintf(buf + len, PAGE_SIZE-len,
1554 "avg:%08lld min:%08lld max %08lld\n",
1555 div_u64(phba->ktime_seg8_total,
1556 phba->ktime_status_samples),
1557 phba->ktime_seg8_min,
1558 phba->ktime_seg8_max);
1559 len += scnprintf(buf + len, PAGE_SIZE-len,
1560 "Segment 9: MSI-X ISR for status cmpl "
1561 "-to- NVME layer passed status done\n");
1562 len += scnprintf(buf + len, PAGE_SIZE-len,
1563 "avg:%08lld min:%08lld max %08lld\n",
1564 div_u64(phba->ktime_seg9_total,
1565 phba->ktime_status_samples),
1566 phba->ktime_seg9_min,
1567 phba->ktime_seg9_max);
1568 len += scnprintf(buf + len, PAGE_SIZE-len,
1569 "Total: cmd received by MSI-X ISR -to- "
1570 "cmd completed on wire\n");
1571 len += scnprintf(buf + len, PAGE_SIZE-len,
1572 "avg:%08lld min:%08lld max %08lld\n",
1573 div_u64(phba->ktime_seg10_total,
1574 phba->ktime_status_samples),
1575 phba->ktime_seg10_min,
1576 phba->ktime_seg10_max);
1581 * lpfc_debugfs_nvmeio_trc_data - Dump NVME IO trace list to a buffer
1582 * @phba: The phba to gather target node info from.
1583 * @buf: The buffer to dump log into.
1584 * @size: The maximum amount of data to process.
1587 * This routine dumps the NVME IO trace associated with @phba
1590 * This routine returns the amount of bytes that were dumped into @buf and will
1594 lpfc_debugfs_nvmeio_trc_data(struct lpfc_hba *phba, char *buf, int size)
1596 struct lpfc_debugfs_nvmeio_trc *dtp;
1597 int i, state, index, skip;
1600 state = phba->nvmeio_trc_on;
1602 index = (atomic_read(&phba->nvmeio_trc_cnt) + 1) &
1603 (phba->nvmeio_trc_size - 1);
1604 skip = phba->nvmeio_trc_output_idx;
1606 len += scnprintf(buf + len, size - len,
1607 "%s IO Trace %s: next_idx %d skip %d size %d\n",
1608 (phba->nvmet_support ? "NVME" : "NVMET"),
1609 (state ? "Enabled" : "Disabled"),
1610 index, skip, phba->nvmeio_trc_size);
1612 if (!phba->nvmeio_trc || state)
1615 /* trace MUST bhe off to continue */
1617 for (i = index; i < phba->nvmeio_trc_size; i++) {
1622 dtp = phba->nvmeio_trc + i;
1623 phba->nvmeio_trc_output_idx++;
1628 len += scnprintf(buf + len, size - len, dtp->fmt,
1629 dtp->data1, dtp->data2, dtp->data3);
1631 if (phba->nvmeio_trc_output_idx >= phba->nvmeio_trc_size) {
1632 phba->nvmeio_trc_output_idx = 0;
1633 len += scnprintf(buf + len, size - len,
1634 "Trace Complete\n");
1638 if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ)) {
1639 len += scnprintf(buf + len, size - len,
1640 "Trace Continue (%d of %d)\n",
1641 phba->nvmeio_trc_output_idx,
1642 phba->nvmeio_trc_size);
1646 for (i = 0; i < index; i++) {
1651 dtp = phba->nvmeio_trc + i;
1652 phba->nvmeio_trc_output_idx++;
1657 len += scnprintf(buf + len, size - len, dtp->fmt,
1658 dtp->data1, dtp->data2, dtp->data3);
1660 if (phba->nvmeio_trc_output_idx >= phba->nvmeio_trc_size) {
1661 phba->nvmeio_trc_output_idx = 0;
1662 len += scnprintf(buf + len, size - len,
1663 "Trace Complete\n");
1667 if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ)) {
1668 len += scnprintf(buf + len, size - len,
1669 "Trace Continue (%d of %d)\n",
1670 phba->nvmeio_trc_output_idx,
1671 phba->nvmeio_trc_size);
1676 len += scnprintf(buf + len, size - len,
1683 * lpfc_debugfs_hdwqstat_data - Dump I/O stats to a buffer
1684 * @vport: The vport to gather target node info from.
1685 * @buf: The buffer to dump log into.
1686 * @size: The maximum amount of data to process.
1689 * This routine dumps the NVME + SCSI statistics associated with @vport
1692 * This routine returns the amount of bytes that were dumped into @buf and will
1696 lpfc_debugfs_hdwqstat_data(struct lpfc_vport *vport, char *buf, int size)
1698 struct lpfc_hba *phba = vport->phba;
1699 struct lpfc_hdwq_stat *c_stat;
1704 char tmp[LPFC_MAX_SCSI_INFO_TMP_LEN] = {0};
1706 scnprintf(tmp, sizeof(tmp), "HDWQ Stats:\n\n");
1707 if (strlcat(buf, tmp, size) >= size)
1710 scnprintf(tmp, sizeof(tmp), "(NVME Accounting: %s) ",
1711 (phba->hdwqstat_on &
1712 (LPFC_CHECK_NVME_IO | LPFC_CHECK_NVMET_IO) ?
1713 "Enabled" : "Disabled"));
1714 if (strlcat(buf, tmp, size) >= size)
1717 scnprintf(tmp, sizeof(tmp), "(SCSI Accounting: %s) ",
1718 (phba->hdwqstat_on & LPFC_CHECK_SCSI_IO ?
1719 "Enabled" : "Disabled"));
1720 if (strlcat(buf, tmp, size) >= size)
1723 scnprintf(tmp, sizeof(tmp), "\n\n");
1724 if (strlcat(buf, tmp, size) >= size)
1727 for (i = 0; i < phba->cfg_hdw_queue; i++) {
1732 for_each_present_cpu(j) {
1733 c_stat = per_cpu_ptr(phba->sli4_hba.c_stat, j);
1735 /* Only display for this HDWQ */
1736 if (i != c_stat->hdwq_no)
1739 /* Only display non-zero counters */
1740 if (!c_stat->xmt_io && !c_stat->cmpl_io &&
1744 if (!tot_xmt && !tot_cmpl && !tot_rcv) {
1745 /* Print HDWQ string only the first time */
1746 scnprintf(tmp, sizeof(tmp), "[HDWQ %d]:\t", i);
1747 if (strlcat(buf, tmp, size) >= size)
1751 tot_xmt += c_stat->xmt_io;
1752 tot_cmpl += c_stat->cmpl_io;
1753 if (phba->nvmet_support)
1754 tot_rcv += c_stat->rcv_io;
1756 scnprintf(tmp, sizeof(tmp), "| [CPU %d]: ", j);
1757 if (strlcat(buf, tmp, size) >= size)
1760 if (phba->nvmet_support) {
1761 scnprintf(tmp, sizeof(tmp),
1762 "XMT 0x%x CMPL 0x%x RCV 0x%x |",
1763 c_stat->xmt_io, c_stat->cmpl_io,
1765 if (strlcat(buf, tmp, size) >= size)
1768 scnprintf(tmp, sizeof(tmp),
1769 "XMT 0x%x CMPL 0x%x |",
1770 c_stat->xmt_io, c_stat->cmpl_io);
1771 if (strlcat(buf, tmp, size) >= size)
1776 /* Check if nothing to display */
1777 if (!tot_xmt && !tot_cmpl && !tot_rcv)
1780 scnprintf(tmp, sizeof(tmp), "\t->\t[HDWQ Total: ");
1781 if (strlcat(buf, tmp, size) >= size)
1784 if (phba->nvmet_support) {
1785 scnprintf(tmp, sizeof(tmp),
1786 "XMT 0x%x CMPL 0x%x RCV 0x%x]\n\n",
1787 tot_xmt, tot_cmpl, tot_rcv);
1788 if (strlcat(buf, tmp, size) >= size)
1791 scnprintf(tmp, sizeof(tmp),
1792 "XMT 0x%x CMPL 0x%x]\n\n",
1794 if (strlcat(buf, tmp, size) >= size)
1800 len = strnlen(buf, size);
1807 * lpfc_debugfs_disc_trc - Store discovery trace log
1808 * @vport: The vport to associate this trace string with for retrieval.
1809 * @mask: Log entry classification.
1810 * @fmt: Format string to be displayed when dumping the log.
1811 * @data1: 1st data parameter to be applied to @fmt.
1812 * @data2: 2nd data parameter to be applied to @fmt.
1813 * @data3: 3rd data parameter to be applied to @fmt.
1816 * This routine is used by the driver code to add a debugfs log entry to the
1817 * discovery trace buffer associated with @vport. Only entries with a @mask that
1818 * match the current debugfs discovery mask will be saved. Entries that do not
1819 * match will be thrown away. @fmt, @data1, @data2, and @data3 are used like
1820 * printf when displaying the log.
1823 lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt,
1824 uint32_t data1, uint32_t data2, uint32_t data3)
1826 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1827 struct lpfc_debugfs_trc *dtp;
1830 if (!(lpfc_debugfs_mask_disc_trc & mask))
1833 if (!lpfc_debugfs_enable || !lpfc_debugfs_max_disc_trc ||
1834 !vport || !vport->disc_trc)
1837 index = atomic_inc_return(&vport->disc_trc_cnt) &
1838 (lpfc_debugfs_max_disc_trc - 1);
1839 dtp = vport->disc_trc + index;
1844 dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
1851 * lpfc_debugfs_slow_ring_trc - Store slow ring trace log
1852 * @phba: The phba to associate this trace string with for retrieval.
1853 * @fmt: Format string to be displayed when dumping the log.
1854 * @data1: 1st data parameter to be applied to @fmt.
1855 * @data2: 2nd data parameter to be applied to @fmt.
1856 * @data3: 3rd data parameter to be applied to @fmt.
1859 * This routine is used by the driver code to add a debugfs log entry to the
1860 * discovery trace buffer associated with @vport. @fmt, @data1, @data2, and
1861 * @data3 are used like printf when displaying the log.
1864 lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt,
1865 uint32_t data1, uint32_t data2, uint32_t data3)
1867 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1868 struct lpfc_debugfs_trc *dtp;
1871 if (!lpfc_debugfs_enable || !lpfc_debugfs_max_slow_ring_trc ||
1872 !phba || !phba->slow_ring_trc)
1875 index = atomic_inc_return(&phba->slow_ring_trc_cnt) &
1876 (lpfc_debugfs_max_slow_ring_trc - 1);
1877 dtp = phba->slow_ring_trc + index;
1882 dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
1889 * lpfc_debugfs_nvme_trc - Store NVME/NVMET trace log
1890 * @phba: The phba to associate this trace string with for retrieval.
1891 * @fmt: Format string to be displayed when dumping the log.
1892 * @data1: 1st data parameter to be applied to @fmt.
1893 * @data2: 2nd data parameter to be applied to @fmt.
1894 * @data3: 3rd data parameter to be applied to @fmt.
1897 * This routine is used by the driver code to add a debugfs log entry to the
1898 * nvme trace buffer associated with @phba. @fmt, @data1, @data2, and
1899 * @data3 are used like printf when displaying the log.
1902 lpfc_debugfs_nvme_trc(struct lpfc_hba *phba, char *fmt,
1903 uint16_t data1, uint16_t data2, uint32_t data3)
1905 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1906 struct lpfc_debugfs_nvmeio_trc *dtp;
1909 if (!phba->nvmeio_trc_on || !phba->nvmeio_trc)
1912 index = atomic_inc_return(&phba->nvmeio_trc_cnt) &
1913 (phba->nvmeio_trc_size - 1);
1914 dtp = phba->nvmeio_trc + index;
1922 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1924 * lpfc_debugfs_disc_trc_open - Open the discovery trace log
1925 * @inode: The inode pointer that contains a vport pointer.
1926 * @file: The file pointer to attach the log output.
1929 * This routine is the entry point for the debugfs open file operation. It gets
1930 * the vport from the i_private field in @inode, allocates the necessary buffer
1931 * for the log, fills the buffer from the in-memory log for this vport, and then
1932 * returns a pointer to that log in the private_data field in @file.
1935 * This function returns zero if successful. On error it will return a negative
1939 lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file)
1941 struct lpfc_vport *vport = inode->i_private;
1942 struct lpfc_debug *debug;
1946 if (!lpfc_debugfs_max_disc_trc) {
1951 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
1955 /* Round to page boundary */
1956 size = (lpfc_debugfs_max_disc_trc * LPFC_DEBUG_TRC_ENTRY_SIZE);
1957 size = PAGE_ALIGN(size);
1959 debug->buffer = kmalloc(size, GFP_KERNEL);
1960 if (!debug->buffer) {
1965 debug->len = lpfc_debugfs_disc_trc_data(vport, debug->buffer, size);
1966 file->private_data = debug;
1974 * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log
1975 * @inode: The inode pointer that contains a vport pointer.
1976 * @file: The file pointer to attach the log output.
1979 * This routine is the entry point for the debugfs open file operation. It gets
1980 * the vport from the i_private field in @inode, allocates the necessary buffer
1981 * for the log, fills the buffer from the in-memory log for this vport, and then
1982 * returns a pointer to that log in the private_data field in @file.
1985 * This function returns zero if successful. On error it will return a negative
1989 lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file)
1991 struct lpfc_hba *phba = inode->i_private;
1992 struct lpfc_debug *debug;
1996 if (!lpfc_debugfs_max_slow_ring_trc) {
2001 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
2005 /* Round to page boundary */
2006 size = (lpfc_debugfs_max_slow_ring_trc * LPFC_DEBUG_TRC_ENTRY_SIZE);
2007 size = PAGE_ALIGN(size);
2009 debug->buffer = kmalloc(size, GFP_KERNEL);
2010 if (!debug->buffer) {
2015 debug->len = lpfc_debugfs_slow_ring_trc_data(phba, debug->buffer, size);
2016 file->private_data = debug;
2024 * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer
2025 * @inode: The inode pointer that contains a vport pointer.
2026 * @file: The file pointer to attach the log output.
2029 * This routine is the entry point for the debugfs open file operation. It gets
2030 * the vport from the i_private field in @inode, allocates the necessary buffer
2031 * for the log, fills the buffer from the in-memory log for this vport, and then
2032 * returns a pointer to that log in the private_data field in @file.
2035 * This function returns zero if successful. On error it will return a negative
2039 lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file)
2041 struct lpfc_hba *phba = inode->i_private;
2042 struct lpfc_debug *debug;
2045 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
2049 /* Round to page boundary */
2050 debug->buffer = kmalloc(LPFC_HBQINFO_SIZE, GFP_KERNEL);
2051 if (!debug->buffer) {
2056 debug->len = lpfc_debugfs_hbqinfo_data(phba, debug->buffer,
2058 file->private_data = debug;
2066 * lpfc_debugfs_multixripools_open - Open the multixripool debugfs buffer
2067 * @inode: The inode pointer that contains a hba pointer.
2068 * @file: The file pointer to attach the log output.
2071 * This routine is the entry point for the debugfs open file operation. It gets
2072 * the hba from the i_private field in @inode, allocates the necessary buffer
2073 * for the log, fills the buffer from the in-memory log for this hba, and then
2074 * returns a pointer to that log in the private_data field in @file.
2077 * This function returns zero if successful. On error it will return a negative
2081 lpfc_debugfs_multixripools_open(struct inode *inode, struct file *file)
2083 struct lpfc_hba *phba = inode->i_private;
2084 struct lpfc_debug *debug;
2087 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
2091 /* Round to page boundary */
2092 debug->buffer = kzalloc(LPFC_DUMP_MULTIXRIPOOL_SIZE, GFP_KERNEL);
2093 if (!debug->buffer) {
2098 debug->len = lpfc_debugfs_multixripools_data(
2099 phba, debug->buffer, LPFC_DUMP_MULTIXRIPOOL_SIZE);
2101 debug->i_private = inode->i_private;
2102 file->private_data = debug;
2109 #ifdef LPFC_HDWQ_LOCK_STAT
2111 * lpfc_debugfs_lockstat_open - Open the lockstat debugfs buffer
2112 * @inode: The inode pointer that contains a vport pointer.
2113 * @file: The file pointer to attach the log output.
2116 * This routine is the entry point for the debugfs open file operation. It gets
2117 * the vport from the i_private field in @inode, allocates the necessary buffer
2118 * for the log, fills the buffer from the in-memory log for this vport, and then
2119 * returns a pointer to that log in the private_data field in @file.
2122 * This function returns zero if successful. On error it will return a negative
2126 lpfc_debugfs_lockstat_open(struct inode *inode, struct file *file)
2128 struct lpfc_hba *phba = inode->i_private;
2129 struct lpfc_debug *debug;
2132 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
2136 /* Round to page boundary */
2137 debug->buffer = kmalloc(LPFC_HDWQINFO_SIZE, GFP_KERNEL);
2138 if (!debug->buffer) {
2143 debug->len = lpfc_debugfs_lockstat_data(phba, debug->buffer,
2145 file->private_data = debug;
2153 lpfc_debugfs_lockstat_write(struct file *file, const char __user *buf,
2154 size_t nbytes, loff_t *ppos)
2156 struct lpfc_debug *debug = file->private_data;
2157 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
2158 struct lpfc_sli4_hdw_queue *qp;
2163 memset(mybuf, 0, sizeof(mybuf));
2165 if (copy_from_user(mybuf, buf, nbytes))
2169 if ((strncmp(pbuf, "reset", strlen("reset")) == 0) ||
2170 (strncmp(pbuf, "zero", strlen("zero")) == 0)) {
2171 for (i = 0; i < phba->cfg_hdw_queue; i++) {
2172 qp = &phba->sli4_hba.hdwq[i];
2173 qp->lock_conflict.alloc_xri_get = 0;
2174 qp->lock_conflict.alloc_xri_put = 0;
2175 qp->lock_conflict.free_xri = 0;
2176 qp->lock_conflict.wq_access = 0;
2177 qp->lock_conflict.alloc_pvt_pool = 0;
2178 qp->lock_conflict.mv_from_pvt_pool = 0;
2179 qp->lock_conflict.mv_to_pub_pool = 0;
2180 qp->lock_conflict.mv_to_pvt_pool = 0;
2181 qp->lock_conflict.free_pvt_pool = 0;
2182 qp->lock_conflict.free_pub_pool = 0;
2183 qp->lock_conflict.wq_access = 0;
2190 static int lpfc_debugfs_ras_log_data(struct lpfc_hba *phba,
2191 char *buffer, int size)
2194 struct lpfc_dmabuf *dmabuf, *next;
2196 memset(buffer, 0, size);
2198 spin_lock_irq(&phba->hbalock);
2199 if (phba->ras_fwlog.state != ACTIVE) {
2200 spin_unlock_irq(&phba->hbalock);
2203 spin_unlock_irq(&phba->hbalock);
2205 list_for_each_entry_safe(dmabuf, next,
2206 &phba->ras_fwlog.fwlog_buff_list, list) {
2207 /* Check if copying will go over size and a '\0' char */
2208 if ((copied + LPFC_RAS_MAX_ENTRY_SIZE) >= (size - 1)) {
2209 memcpy(buffer + copied, dmabuf->virt,
2211 copied += size - copied - 1;
2214 memcpy(buffer + copied, dmabuf->virt, LPFC_RAS_MAX_ENTRY_SIZE);
2215 copied += LPFC_RAS_MAX_ENTRY_SIZE;
2221 lpfc_debugfs_ras_log_release(struct inode *inode, struct file *file)
2223 struct lpfc_debug *debug = file->private_data;
2225 vfree(debug->buffer);
2232 * lpfc_debugfs_ras_log_open - Open the RAS log debugfs buffer
2233 * @inode: The inode pointer that contains a vport pointer.
2234 * @file: The file pointer to attach the log output.
2237 * This routine is the entry point for the debugfs open file operation. It gets
2238 * the vport from the i_private field in @inode, allocates the necessary buffer
2239 * for the log, fills the buffer from the in-memory log for this vport, and then
2240 * returns a pointer to that log in the private_data field in @file.
2243 * This function returns zero if successful. On error it will return a negative
2247 lpfc_debugfs_ras_log_open(struct inode *inode, struct file *file)
2249 struct lpfc_hba *phba = inode->i_private;
2250 struct lpfc_debug *debug;
2254 spin_lock_irq(&phba->hbalock);
2255 if (phba->ras_fwlog.state != ACTIVE) {
2256 spin_unlock_irq(&phba->hbalock);
2260 spin_unlock_irq(&phba->hbalock);
2261 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
2265 size = LPFC_RAS_MIN_BUFF_POST_SIZE * phba->cfg_ras_fwlog_buffsize;
2266 debug->buffer = vmalloc(size);
2270 debug->len = lpfc_debugfs_ras_log_data(phba, debug->buffer, size);
2271 if (debug->len < 0) {
2275 file->private_data = debug;
2280 vfree(debug->buffer);
2288 * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer
2289 * @inode: The inode pointer that contains a vport pointer.
2290 * @file: The file pointer to attach the log output.
2293 * This routine is the entry point for the debugfs open file operation. It gets
2294 * the vport from the i_private field in @inode, allocates the necessary buffer
2295 * for the log, fills the buffer from the in-memory log for this vport, and then
2296 * returns a pointer to that log in the private_data field in @file.
2299 * This function returns zero if successful. On error it will return a negative
2303 lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file)
2305 struct lpfc_hba *phba = inode->i_private;
2306 struct lpfc_debug *debug;
2309 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
2313 /* Round to page boundary */
2314 debug->buffer = kmalloc(LPFC_DUMPHBASLIM_SIZE, GFP_KERNEL);
2315 if (!debug->buffer) {
2320 debug->len = lpfc_debugfs_dumpHBASlim_data(phba, debug->buffer,
2321 LPFC_DUMPHBASLIM_SIZE);
2322 file->private_data = debug;
2330 * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer
2331 * @inode: The inode pointer that contains a vport pointer.
2332 * @file: The file pointer to attach the log output.
2335 * This routine is the entry point for the debugfs open file operation. It gets
2336 * the vport from the i_private field in @inode, allocates the necessary buffer
2337 * for the log, fills the buffer from the in-memory log for this vport, and then
2338 * returns a pointer to that log in the private_data field in @file.
2341 * This function returns zero if successful. On error it will return a negative
2345 lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file)
2347 struct lpfc_hba *phba = inode->i_private;
2348 struct lpfc_debug *debug;
2351 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
2355 /* Round to page boundary */
2356 debug->buffer = kmalloc(LPFC_DUMPHOSTSLIM_SIZE, GFP_KERNEL);
2357 if (!debug->buffer) {
2362 debug->len = lpfc_debugfs_dumpHostSlim_data(phba, debug->buffer,
2363 LPFC_DUMPHOSTSLIM_SIZE);
2364 file->private_data = debug;
2372 lpfc_debugfs_dif_err_read(struct file *file, char __user *buf,
2373 size_t nbytes, loff_t *ppos)
2375 struct dentry *dent = file->f_path.dentry;
2376 struct lpfc_hba *phba = file->private_data;
2381 if (dent == phba->debug_writeGuard)
2382 cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wgrd_cnt);
2383 else if (dent == phba->debug_writeApp)
2384 cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wapp_cnt);
2385 else if (dent == phba->debug_writeRef)
2386 cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wref_cnt);
2387 else if (dent == phba->debug_readGuard)
2388 cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rgrd_cnt);
2389 else if (dent == phba->debug_readApp)
2390 cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rapp_cnt);
2391 else if (dent == phba->debug_readRef)
2392 cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rref_cnt);
2393 else if (dent == phba->debug_InjErrNPortID)
2394 cnt = scnprintf(cbuf, 32, "0x%06x\n",
2395 phba->lpfc_injerr_nportid);
2396 else if (dent == phba->debug_InjErrWWPN) {
2397 memcpy(&tmp, &phba->lpfc_injerr_wwpn, sizeof(struct lpfc_name));
2398 tmp = cpu_to_be64(tmp);
2399 cnt = scnprintf(cbuf, 32, "0x%016llx\n", tmp);
2400 } else if (dent == phba->debug_InjErrLBA) {
2401 if (phba->lpfc_injerr_lba == (sector_t)(-1))
2402 cnt = scnprintf(cbuf, 32, "off\n");
2404 cnt = scnprintf(cbuf, 32, "0x%llx\n",
2405 (uint64_t) phba->lpfc_injerr_lba);
2407 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2408 "0547 Unknown debugfs error injection entry\n");
2410 return simple_read_from_buffer(buf, nbytes, ppos, &cbuf, cnt);
2414 lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf,
2415 size_t nbytes, loff_t *ppos)
2417 struct dentry *dent = file->f_path.dentry;
2418 struct lpfc_hba *phba = file->private_data;
2423 memset(dstbuf, 0, 33);
2424 size = (nbytes < 32) ? nbytes : 32;
2425 if (copy_from_user(dstbuf, buf, size))
2428 if (dent == phba->debug_InjErrLBA) {
2429 if ((dstbuf[0] == 'o') && (dstbuf[1] == 'f') &&
2431 tmp = (uint64_t)(-1);
2434 if ((tmp == 0) && (kstrtoull(dstbuf, 0, &tmp)))
2437 if (dent == phba->debug_writeGuard)
2438 phba->lpfc_injerr_wgrd_cnt = (uint32_t)tmp;
2439 else if (dent == phba->debug_writeApp)
2440 phba->lpfc_injerr_wapp_cnt = (uint32_t)tmp;
2441 else if (dent == phba->debug_writeRef)
2442 phba->lpfc_injerr_wref_cnt = (uint32_t)tmp;
2443 else if (dent == phba->debug_readGuard)
2444 phba->lpfc_injerr_rgrd_cnt = (uint32_t)tmp;
2445 else if (dent == phba->debug_readApp)
2446 phba->lpfc_injerr_rapp_cnt = (uint32_t)tmp;
2447 else if (dent == phba->debug_readRef)
2448 phba->lpfc_injerr_rref_cnt = (uint32_t)tmp;
2449 else if (dent == phba->debug_InjErrLBA)
2450 phba->lpfc_injerr_lba = (sector_t)tmp;
2451 else if (dent == phba->debug_InjErrNPortID)
2452 phba->lpfc_injerr_nportid = (uint32_t)(tmp & Mask_DID);
2453 else if (dent == phba->debug_InjErrWWPN) {
2454 tmp = cpu_to_be64(tmp);
2455 memcpy(&phba->lpfc_injerr_wwpn, &tmp, sizeof(struct lpfc_name));
2457 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2458 "0548 Unknown debugfs error injection entry\n");
2464 lpfc_debugfs_dif_err_release(struct inode *inode, struct file *file)
2470 * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file
2471 * @inode: The inode pointer that contains a vport pointer.
2472 * @file: The file pointer to attach the log output.
2475 * This routine is the entry point for the debugfs open file operation. It gets
2476 * the vport from the i_private field in @inode, allocates the necessary buffer
2477 * for the log, fills the buffer from the in-memory log for this vport, and then
2478 * returns a pointer to that log in the private_data field in @file.
2481 * This function returns zero if successful. On error it will return a negative
2485 lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file)
2487 struct lpfc_vport *vport = inode->i_private;
2488 struct lpfc_debug *debug;
2491 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
2495 /* Round to page boundary */
2496 debug->buffer = kmalloc(LPFC_NODELIST_SIZE, GFP_KERNEL);
2497 if (!debug->buffer) {
2502 debug->len = lpfc_debugfs_nodelist_data(vport, debug->buffer,
2503 LPFC_NODELIST_SIZE);
2504 file->private_data = debug;
2512 * lpfc_debugfs_lseek - Seek through a debugfs file
2513 * @file: The file pointer to seek through.
2514 * @off: The offset to seek to or the amount to seek by.
2515 * @whence: Indicates how to seek.
2518 * This routine is the entry point for the debugfs lseek file operation. The
2519 * @whence parameter indicates whether @off is the offset to directly seek to,
2520 * or if it is a value to seek forward or reverse by. This function figures out
2521 * what the new offset of the debugfs file will be and assigns that value to the
2522 * f_pos field of @file.
2525 * This function returns the new offset if successful and returns a negative
2526 * error if unable to process the seek.
2529 lpfc_debugfs_lseek(struct file *file, loff_t off, int whence)
2531 struct lpfc_debug *debug = file->private_data;
2532 return fixed_size_llseek(file, off, whence, debug->len);
2536 * lpfc_debugfs_read - Read a debugfs file
2537 * @file: The file pointer to read from.
2538 * @buf: The buffer to copy the data to.
2539 * @nbytes: The number of bytes to read.
2540 * @ppos: The position in the file to start reading from.
2543 * This routine reads data from from the buffer indicated in the private_data
2544 * field of @file. It will start reading at @ppos and copy up to @nbytes of
2548 * This function returns the amount of data that was read (this could be less
2549 * than @nbytes if the end of the file was reached) or a negative error value.
2552 lpfc_debugfs_read(struct file *file, char __user *buf,
2553 size_t nbytes, loff_t *ppos)
2555 struct lpfc_debug *debug = file->private_data;
2557 return simple_read_from_buffer(buf, nbytes, ppos, debug->buffer,
2562 * lpfc_debugfs_release - Release the buffer used to store debugfs file data
2563 * @inode: The inode pointer that contains a vport pointer. (unused)
2564 * @file: The file pointer that contains the buffer to release.
2567 * This routine frees the buffer that was allocated when the debugfs file was
2571 * This function returns zero.
2574 lpfc_debugfs_release(struct inode *inode, struct file *file)
2576 struct lpfc_debug *debug = file->private_data;
2578 kfree(debug->buffer);
2585 * lpfc_debugfs_multixripools_write - Clear multi-XRI pools statistics
2586 * @file: The file pointer to read from.
2587 * @buf: The buffer to copy the user data from.
2588 * @nbytes: The number of bytes to get.
2589 * @ppos: The position in the file to start reading from.
2592 * This routine clears multi-XRI pools statistics when buf contains "clear".
2595 * It returns the @nbytges passing in from debugfs user space when successful.
2596 * In case of error conditions, it returns proper error code back to the user
2600 lpfc_debugfs_multixripools_write(struct file *file, const char __user *buf,
2601 size_t nbytes, loff_t *ppos)
2603 struct lpfc_debug *debug = file->private_data;
2604 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
2609 struct lpfc_sli4_hdw_queue *qp;
2610 struct lpfc_multixri_pool *multixri_pool;
2612 if (nbytes > sizeof(mybuf) - 1)
2613 nbytes = sizeof(mybuf) - 1;
2615 memset(mybuf, 0, sizeof(mybuf));
2617 if (copy_from_user(mybuf, buf, nbytes))
2621 if ((strncmp(pbuf, "clear", strlen("clear"))) == 0) {
2622 hwq_count = phba->cfg_hdw_queue;
2623 for (i = 0; i < hwq_count; i++) {
2624 qp = &phba->sli4_hba.hdwq[i];
2625 multixri_pool = qp->p_multixri_pool;
2629 qp->empty_io_bufs = 0;
2630 multixri_pool->pbl_empty_count = 0;
2631 #ifdef LPFC_MXP_STAT
2632 multixri_pool->above_limit_count = 0;
2633 multixri_pool->below_limit_count = 0;
2634 multixri_pool->stat_max_hwm = 0;
2635 multixri_pool->local_pbl_hit_count = 0;
2636 multixri_pool->other_pbl_hit_count = 0;
2638 multixri_pool->stat_pbl_count = 0;
2639 multixri_pool->stat_pvt_count = 0;
2640 multixri_pool->stat_busy_count = 0;
2641 multixri_pool->stat_snapshot_taken = 0;
2644 return strlen(pbuf);
2651 lpfc_debugfs_nvmestat_open(struct inode *inode, struct file *file)
2653 struct lpfc_vport *vport = inode->i_private;
2654 struct lpfc_debug *debug;
2657 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
2661 /* Round to page boundary */
2662 debug->buffer = kmalloc(LPFC_NVMESTAT_SIZE, GFP_KERNEL);
2663 if (!debug->buffer) {
2668 debug->len = lpfc_debugfs_nvmestat_data(vport, debug->buffer,
2669 LPFC_NVMESTAT_SIZE);
2671 debug->i_private = inode->i_private;
2672 file->private_data = debug;
2680 lpfc_debugfs_nvmestat_write(struct file *file, const char __user *buf,
2681 size_t nbytes, loff_t *ppos)
2683 struct lpfc_debug *debug = file->private_data;
2684 struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private;
2685 struct lpfc_hba *phba = vport->phba;
2686 struct lpfc_nvmet_tgtport *tgtp;
2690 if (!phba->targetport)
2693 if (nbytes > sizeof(mybuf) - 1)
2694 nbytes = sizeof(mybuf) - 1;
2696 memset(mybuf, 0, sizeof(mybuf));
2698 if (copy_from_user(mybuf, buf, nbytes))
2702 tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
2703 if ((strncmp(pbuf, "reset", strlen("reset")) == 0) ||
2704 (strncmp(pbuf, "zero", strlen("zero")) == 0)) {
2705 atomic_set(&tgtp->rcv_ls_req_in, 0);
2706 atomic_set(&tgtp->rcv_ls_req_out, 0);
2707 atomic_set(&tgtp->rcv_ls_req_drop, 0);
2708 atomic_set(&tgtp->xmt_ls_abort, 0);
2709 atomic_set(&tgtp->xmt_ls_abort_cmpl, 0);
2710 atomic_set(&tgtp->xmt_ls_rsp, 0);
2711 atomic_set(&tgtp->xmt_ls_drop, 0);
2712 atomic_set(&tgtp->xmt_ls_rsp_error, 0);
2713 atomic_set(&tgtp->xmt_ls_rsp_cmpl, 0);
2715 atomic_set(&tgtp->rcv_fcp_cmd_in, 0);
2716 atomic_set(&tgtp->rcv_fcp_cmd_out, 0);
2717 atomic_set(&tgtp->rcv_fcp_cmd_drop, 0);
2718 atomic_set(&tgtp->xmt_fcp_drop, 0);
2719 atomic_set(&tgtp->xmt_fcp_read_rsp, 0);
2720 atomic_set(&tgtp->xmt_fcp_read, 0);
2721 atomic_set(&tgtp->xmt_fcp_write, 0);
2722 atomic_set(&tgtp->xmt_fcp_rsp, 0);
2723 atomic_set(&tgtp->xmt_fcp_release, 0);
2724 atomic_set(&tgtp->xmt_fcp_rsp_cmpl, 0);
2725 atomic_set(&tgtp->xmt_fcp_rsp_error, 0);
2726 atomic_set(&tgtp->xmt_fcp_rsp_drop, 0);
2728 atomic_set(&tgtp->xmt_fcp_abort, 0);
2729 atomic_set(&tgtp->xmt_fcp_abort_cmpl, 0);
2730 atomic_set(&tgtp->xmt_abort_sol, 0);
2731 atomic_set(&tgtp->xmt_abort_unsol, 0);
2732 atomic_set(&tgtp->xmt_abort_rsp, 0);
2733 atomic_set(&tgtp->xmt_abort_rsp_error, 0);
2739 lpfc_debugfs_scsistat_open(struct inode *inode, struct file *file)
2741 struct lpfc_vport *vport = inode->i_private;
2742 struct lpfc_debug *debug;
2745 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
2749 /* Round to page boundary */
2750 debug->buffer = kzalloc(LPFC_SCSISTAT_SIZE, GFP_KERNEL);
2751 if (!debug->buffer) {
2756 debug->len = lpfc_debugfs_scsistat_data(vport, debug->buffer,
2757 LPFC_SCSISTAT_SIZE);
2759 debug->i_private = inode->i_private;
2760 file->private_data = debug;
2768 lpfc_debugfs_scsistat_write(struct file *file, const char __user *buf,
2769 size_t nbytes, loff_t *ppos)
2771 struct lpfc_debug *debug = file->private_data;
2772 struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private;
2773 struct lpfc_hba *phba = vport->phba;
2774 char mybuf[6] = {0};
2777 if (copy_from_user(mybuf, buf, (nbytes >= sizeof(mybuf)) ?
2778 (sizeof(mybuf) - 1) : nbytes))
2781 if ((strncmp(&mybuf[0], "reset", strlen("reset")) == 0) ||
2782 (strncmp(&mybuf[0], "zero", strlen("zero")) == 0)) {
2783 for (i = 0; i < phba->cfg_hdw_queue; i++) {
2784 memset(&phba->sli4_hba.hdwq[i].scsi_cstat, 0,
2785 sizeof(phba->sli4_hba.hdwq[i].scsi_cstat));
2793 lpfc_debugfs_ioktime_open(struct inode *inode, struct file *file)
2795 struct lpfc_vport *vport = inode->i_private;
2796 struct lpfc_debug *debug;
2799 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
2803 /* Round to page boundary */
2804 debug->buffer = kmalloc(LPFC_IOKTIME_SIZE, GFP_KERNEL);
2805 if (!debug->buffer) {
2810 debug->len = lpfc_debugfs_ioktime_data(vport, debug->buffer,
2813 debug->i_private = inode->i_private;
2814 file->private_data = debug;
2822 lpfc_debugfs_ioktime_write(struct file *file, const char __user *buf,
2823 size_t nbytes, loff_t *ppos)
2825 struct lpfc_debug *debug = file->private_data;
2826 struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private;
2827 struct lpfc_hba *phba = vport->phba;
2831 if (nbytes > sizeof(mybuf) - 1)
2832 nbytes = sizeof(mybuf) - 1;
2834 memset(mybuf, 0, sizeof(mybuf));
2836 if (copy_from_user(mybuf, buf, nbytes))
2840 if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) {
2841 phba->ktime_data_samples = 0;
2842 phba->ktime_status_samples = 0;
2843 phba->ktime_seg1_total = 0;
2844 phba->ktime_seg1_max = 0;
2845 phba->ktime_seg1_min = 0xffffffff;
2846 phba->ktime_seg2_total = 0;
2847 phba->ktime_seg2_max = 0;
2848 phba->ktime_seg2_min = 0xffffffff;
2849 phba->ktime_seg3_total = 0;
2850 phba->ktime_seg3_max = 0;
2851 phba->ktime_seg3_min = 0xffffffff;
2852 phba->ktime_seg4_total = 0;
2853 phba->ktime_seg4_max = 0;
2854 phba->ktime_seg4_min = 0xffffffff;
2855 phba->ktime_seg5_total = 0;
2856 phba->ktime_seg5_max = 0;
2857 phba->ktime_seg5_min = 0xffffffff;
2858 phba->ktime_seg6_total = 0;
2859 phba->ktime_seg6_max = 0;
2860 phba->ktime_seg6_min = 0xffffffff;
2861 phba->ktime_seg7_total = 0;
2862 phba->ktime_seg7_max = 0;
2863 phba->ktime_seg7_min = 0xffffffff;
2864 phba->ktime_seg8_total = 0;
2865 phba->ktime_seg8_max = 0;
2866 phba->ktime_seg8_min = 0xffffffff;
2867 phba->ktime_seg9_total = 0;
2868 phba->ktime_seg9_max = 0;
2869 phba->ktime_seg9_min = 0xffffffff;
2870 phba->ktime_seg10_total = 0;
2871 phba->ktime_seg10_max = 0;
2872 phba->ktime_seg10_min = 0xffffffff;
2875 return strlen(pbuf);
2876 } else if ((strncmp(pbuf, "off",
2877 sizeof("off") - 1) == 0)) {
2879 return strlen(pbuf);
2880 } else if ((strncmp(pbuf, "zero",
2881 sizeof("zero") - 1) == 0)) {
2882 phba->ktime_data_samples = 0;
2883 phba->ktime_status_samples = 0;
2884 phba->ktime_seg1_total = 0;
2885 phba->ktime_seg1_max = 0;
2886 phba->ktime_seg1_min = 0xffffffff;
2887 phba->ktime_seg2_total = 0;
2888 phba->ktime_seg2_max = 0;
2889 phba->ktime_seg2_min = 0xffffffff;
2890 phba->ktime_seg3_total = 0;
2891 phba->ktime_seg3_max = 0;
2892 phba->ktime_seg3_min = 0xffffffff;
2893 phba->ktime_seg4_total = 0;
2894 phba->ktime_seg4_max = 0;
2895 phba->ktime_seg4_min = 0xffffffff;
2896 phba->ktime_seg5_total = 0;
2897 phba->ktime_seg5_max = 0;
2898 phba->ktime_seg5_min = 0xffffffff;
2899 phba->ktime_seg6_total = 0;
2900 phba->ktime_seg6_max = 0;
2901 phba->ktime_seg6_min = 0xffffffff;
2902 phba->ktime_seg7_total = 0;
2903 phba->ktime_seg7_max = 0;
2904 phba->ktime_seg7_min = 0xffffffff;
2905 phba->ktime_seg8_total = 0;
2906 phba->ktime_seg8_max = 0;
2907 phba->ktime_seg8_min = 0xffffffff;
2908 phba->ktime_seg9_total = 0;
2909 phba->ktime_seg9_max = 0;
2910 phba->ktime_seg9_min = 0xffffffff;
2911 phba->ktime_seg10_total = 0;
2912 phba->ktime_seg10_max = 0;
2913 phba->ktime_seg10_min = 0xffffffff;
2914 return strlen(pbuf);
2920 lpfc_debugfs_nvmeio_trc_open(struct inode *inode, struct file *file)
2922 struct lpfc_hba *phba = inode->i_private;
2923 struct lpfc_debug *debug;
2926 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
2930 /* Round to page boundary */
2931 debug->buffer = kmalloc(LPFC_NVMEIO_TRC_SIZE, GFP_KERNEL);
2932 if (!debug->buffer) {
2937 debug->len = lpfc_debugfs_nvmeio_trc_data(phba, debug->buffer,
2938 LPFC_NVMEIO_TRC_SIZE);
2940 debug->i_private = inode->i_private;
2941 file->private_data = debug;
2949 lpfc_debugfs_nvmeio_trc_write(struct file *file, const char __user *buf,
2950 size_t nbytes, loff_t *ppos)
2952 struct lpfc_debug *debug = file->private_data;
2953 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
2959 if (nbytes > sizeof(mybuf) - 1)
2960 nbytes = sizeof(mybuf) - 1;
2962 memset(mybuf, 0, sizeof(mybuf));
2964 if (copy_from_user(mybuf, buf, nbytes))
2968 if ((strncmp(pbuf, "off", sizeof("off") - 1) == 0)) {
2969 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2970 "0570 nvmeio_trc_off\n");
2971 phba->nvmeio_trc_output_idx = 0;
2972 phba->nvmeio_trc_on = 0;
2973 return strlen(pbuf);
2974 } else if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) {
2975 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2976 "0571 nvmeio_trc_on\n");
2977 phba->nvmeio_trc_output_idx = 0;
2978 phba->nvmeio_trc_on = 1;
2979 return strlen(pbuf);
2982 /* We must be off to allocate the trace buffer */
2983 if (phba->nvmeio_trc_on != 0)
2986 /* If not on or off, the parameter is the trace buffer size */
2987 i = kstrtoul(pbuf, 0, &sz);
2990 phba->nvmeio_trc_size = (uint32_t)sz;
2992 /* It must be a power of 2 - round down */
2999 if (phba->nvmeio_trc_size != sz)
3000 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3001 "0572 nvmeio_trc_size changed to %ld\n",
3003 phba->nvmeio_trc_size = (uint32_t)sz;
3005 /* If one previously exists, free it */
3006 kfree(phba->nvmeio_trc);
3008 /* Allocate new trace buffer and initialize */
3009 phba->nvmeio_trc = kzalloc((sizeof(struct lpfc_debugfs_nvmeio_trc) *
3011 if (!phba->nvmeio_trc) {
3012 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3013 "0573 Cannot create debugfs "
3014 "nvmeio_trc buffer\n");
3017 atomic_set(&phba->nvmeio_trc_cnt, 0);
3018 phba->nvmeio_trc_on = 0;
3019 phba->nvmeio_trc_output_idx = 0;
3021 return strlen(pbuf);
3025 lpfc_debugfs_hdwqstat_open(struct inode *inode, struct file *file)
3027 struct lpfc_vport *vport = inode->i_private;
3028 struct lpfc_debug *debug;
3031 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
3035 /* Round to page boundary */
3036 debug->buffer = kcalloc(1, LPFC_SCSISTAT_SIZE, GFP_KERNEL);
3037 if (!debug->buffer) {
3042 debug->len = lpfc_debugfs_hdwqstat_data(vport, debug->buffer,
3043 LPFC_SCSISTAT_SIZE);
3045 debug->i_private = inode->i_private;
3046 file->private_data = debug;
3054 lpfc_debugfs_hdwqstat_write(struct file *file, const char __user *buf,
3055 size_t nbytes, loff_t *ppos)
3057 struct lpfc_debug *debug = file->private_data;
3058 struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private;
3059 struct lpfc_hba *phba = vport->phba;
3060 struct lpfc_hdwq_stat *c_stat;
3065 if (nbytes > sizeof(mybuf) - 1)
3066 nbytes = sizeof(mybuf) - 1;
3068 memset(mybuf, 0, sizeof(mybuf));
3070 if (copy_from_user(mybuf, buf, nbytes))
3074 if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) {
3075 if (phba->nvmet_support)
3076 phba->hdwqstat_on |= LPFC_CHECK_NVMET_IO;
3078 phba->hdwqstat_on |= (LPFC_CHECK_NVME_IO |
3079 LPFC_CHECK_SCSI_IO);
3080 return strlen(pbuf);
3081 } else if ((strncmp(pbuf, "nvme_on", sizeof("nvme_on") - 1) == 0)) {
3082 if (phba->nvmet_support)
3083 phba->hdwqstat_on |= LPFC_CHECK_NVMET_IO;
3085 phba->hdwqstat_on |= LPFC_CHECK_NVME_IO;
3086 return strlen(pbuf);
3087 } else if ((strncmp(pbuf, "scsi_on", sizeof("scsi_on") - 1) == 0)) {
3088 if (!phba->nvmet_support)
3089 phba->hdwqstat_on |= LPFC_CHECK_SCSI_IO;
3090 return strlen(pbuf);
3091 } else if ((strncmp(pbuf, "nvme_off", sizeof("nvme_off") - 1) == 0)) {
3092 phba->hdwqstat_on &= ~(LPFC_CHECK_NVME_IO |
3093 LPFC_CHECK_NVMET_IO);
3094 return strlen(pbuf);
3095 } else if ((strncmp(pbuf, "scsi_off", sizeof("scsi_off") - 1) == 0)) {
3096 phba->hdwqstat_on &= ~LPFC_CHECK_SCSI_IO;
3097 return strlen(pbuf);
3098 } else if ((strncmp(pbuf, "off",
3099 sizeof("off") - 1) == 0)) {
3100 phba->hdwqstat_on = LPFC_CHECK_OFF;
3101 return strlen(pbuf);
3102 } else if ((strncmp(pbuf, "zero",
3103 sizeof("zero") - 1) == 0)) {
3104 for_each_present_cpu(i) {
3105 c_stat = per_cpu_ptr(phba->sli4_hba.c_stat, i);
3107 c_stat->cmpl_io = 0;
3110 return strlen(pbuf);
3116 * ---------------------------------
3117 * iDiag debugfs file access methods
3118 * ---------------------------------
3120 * All access methods are through the proper SLI4 PCI function's debugfs
3123 * /sys/kernel/debug/lpfc/fn<#>/iDiag
3127 * lpfc_idiag_cmd_get - Get and parse idiag debugfs comands from user space
3128 * @buf: The pointer to the user space buffer.
3129 * @nbytes: The number of bytes in the user space buffer.
3130 * @idiag_cmd: pointer to the idiag command struct.
3132 * This routine reads data from debugfs user space buffer and parses the
3133 * buffer for getting the idiag command and arguments. The while space in
3134 * between the set of data is used as the parsing separator.
3136 * This routine returns 0 when successful, it returns proper error code
3137 * back to the user space in error conditions.
3139 static int lpfc_idiag_cmd_get(const char __user *buf, size_t nbytes,
3140 struct lpfc_idiag_cmd *idiag_cmd)
3143 char *pbuf, *step_str;
3147 memset(mybuf, 0, sizeof(mybuf));
3148 memset(idiag_cmd, 0, sizeof(*idiag_cmd));
3149 bsize = min(nbytes, (sizeof(mybuf)-1));
3151 if (copy_from_user(mybuf, buf, bsize))
3154 step_str = strsep(&pbuf, "\t ");
3156 /* The opcode must present */
3160 idiag_cmd->opcode = simple_strtol(step_str, NULL, 0);
3161 if (idiag_cmd->opcode == 0)
3164 for (i = 0; i < LPFC_IDIAG_CMD_DATA_SIZE; i++) {
3165 step_str = strsep(&pbuf, "\t ");
3168 idiag_cmd->data[i] = simple_strtol(step_str, NULL, 0);
3174 * lpfc_idiag_open - idiag open debugfs
3175 * @inode: The inode pointer that contains a pointer to phba.
3176 * @file: The file pointer to attach the file operation.
3179 * This routine is the entry point for the debugfs open file operation. It
3180 * gets the reference to phba from the i_private field in @inode, it then
3181 * allocates buffer for the file operation, performs the necessary PCI config
3182 * space read into the allocated buffer according to the idiag user command
3183 * setup, and then returns a pointer to buffer in the private_data field in
3187 * This function returns zero if successful. On error it will return an
3188 * negative error value.
3191 lpfc_idiag_open(struct inode *inode, struct file *file)
3193 struct lpfc_debug *debug;
3195 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
3199 debug->i_private = inode->i_private;
3200 debug->buffer = NULL;
3201 file->private_data = debug;
3207 * lpfc_idiag_release - Release idiag access file operation
3208 * @inode: The inode pointer that contains a vport pointer. (unused)
3209 * @file: The file pointer that contains the buffer to release.
3212 * This routine is the generic release routine for the idiag access file
3213 * operation, it frees the buffer that was allocated when the debugfs file
3217 * This function returns zero.
3220 lpfc_idiag_release(struct inode *inode, struct file *file)
3222 struct lpfc_debug *debug = file->private_data;
3224 /* Free the buffers to the file operation */
3225 kfree(debug->buffer);
3232 * lpfc_idiag_cmd_release - Release idiag cmd access file operation
3233 * @inode: The inode pointer that contains a vport pointer. (unused)
3234 * @file: The file pointer that contains the buffer to release.
3237 * This routine frees the buffer that was allocated when the debugfs file
3238 * was opened. It also reset the fields in the idiag command struct in the
3239 * case of command for write operation.
3242 * This function returns zero.
3245 lpfc_idiag_cmd_release(struct inode *inode, struct file *file)
3247 struct lpfc_debug *debug = file->private_data;
3249 if (debug->op == LPFC_IDIAG_OP_WR) {
3250 switch (idiag.cmd.opcode) {
3251 case LPFC_IDIAG_CMD_PCICFG_WR:
3252 case LPFC_IDIAG_CMD_PCICFG_ST:
3253 case LPFC_IDIAG_CMD_PCICFG_CL:
3254 case LPFC_IDIAG_CMD_QUEACC_WR:
3255 case LPFC_IDIAG_CMD_QUEACC_ST:
3256 case LPFC_IDIAG_CMD_QUEACC_CL:
3257 memset(&idiag, 0, sizeof(idiag));
3264 /* Free the buffers to the file operation */
3265 kfree(debug->buffer);
3272 * lpfc_idiag_pcicfg_read - idiag debugfs read pcicfg
3273 * @file: The file pointer to read from.
3274 * @buf: The buffer to copy the data to.
3275 * @nbytes: The number of bytes to read.
3276 * @ppos: The position in the file to start reading from.
3279 * This routine reads data from the @phba pci config space according to the
3280 * idiag command, and copies to user @buf. Depending on the PCI config space
3281 * read command setup, it does either a single register read of a byte
3282 * (8 bits), a word (16 bits), or a dword (32 bits) or browsing through all
3283 * registers from the 4K extended PCI config space.
3286 * This function returns the amount of data that was read (this could be less
3287 * than @nbytes if the end of the file was reached) or a negative error value.
3290 lpfc_idiag_pcicfg_read(struct file *file, char __user *buf, size_t nbytes,
3293 struct lpfc_debug *debug = file->private_data;
3294 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
3295 int offset_label, offset, len = 0, index = LPFC_PCI_CFG_RD_SIZE;
3298 struct pci_dev *pdev;
3303 pdev = phba->pcidev;
3307 /* This is a user read operation */
3308 debug->op = LPFC_IDIAG_OP_RD;
3311 debug->buffer = kmalloc(LPFC_PCI_CFG_SIZE, GFP_KERNEL);
3314 pbuffer = debug->buffer;
3319 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) {
3320 where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX];
3321 count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX];
3325 /* Read single PCI config space register */
3327 case SIZE_U8: /* byte (8 bits) */
3328 pci_read_config_byte(pdev, where, &u8val);
3329 len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
3330 "%03x: %02x\n", where, u8val);
3332 case SIZE_U16: /* word (16 bits) */
3333 pci_read_config_word(pdev, where, &u16val);
3334 len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
3335 "%03x: %04x\n", where, u16val);
3337 case SIZE_U32: /* double word (32 bits) */
3338 pci_read_config_dword(pdev, where, &u32val);
3339 len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
3340 "%03x: %08x\n", where, u32val);
3342 case LPFC_PCI_CFG_BROWSE: /* browse all */
3350 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
3354 /* Browse all PCI config space registers */
3355 offset_label = idiag.offset.last_rd;
3356 offset = offset_label;
3358 /* Read PCI config space */
3359 len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
3360 "%03x: ", offset_label);
3362 pci_read_config_dword(pdev, offset, &u32val);
3363 len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
3365 offset += sizeof(uint32_t);
3366 if (offset >= LPFC_PCI_CFG_SIZE) {
3367 len += scnprintf(pbuffer+len,
3368 LPFC_PCI_CFG_SIZE-len, "\n");
3371 index -= sizeof(uint32_t);
3373 len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
3375 else if (!(index % (8 * sizeof(uint32_t)))) {
3376 offset_label += (8 * sizeof(uint32_t));
3377 len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
3378 "\n%03x: ", offset_label);
3382 /* Set up the offset for next portion of pci cfg read */
3384 idiag.offset.last_rd += LPFC_PCI_CFG_RD_SIZE;
3385 if (idiag.offset.last_rd >= LPFC_PCI_CFG_SIZE)
3386 idiag.offset.last_rd = 0;
3388 idiag.offset.last_rd = 0;
3390 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
3394 * lpfc_idiag_pcicfg_write - Syntax check and set up idiag pcicfg commands
3395 * @file: The file pointer to read from.
3396 * @buf: The buffer to copy the user data from.
3397 * @nbytes: The number of bytes to get.
3398 * @ppos: The position in the file to start reading from.
3400 * This routine get the debugfs idiag command struct from user space and
3401 * then perform the syntax check for PCI config space read or write command
3402 * accordingly. In the case of PCI config space read command, it sets up
3403 * the command in the idiag command struct for the debugfs read operation.
3404 * In the case of PCI config space write operation, it executes the write
3405 * operation into the PCI config space accordingly.
3407 * It returns the @nbytges passing in from debugfs user space when successful.
3408 * In case of error conditions, it returns proper error code back to the user
3412 lpfc_idiag_pcicfg_write(struct file *file, const char __user *buf,
3413 size_t nbytes, loff_t *ppos)
3415 struct lpfc_debug *debug = file->private_data;
3416 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
3417 uint32_t where, value, count;
3421 struct pci_dev *pdev;
3424 pdev = phba->pcidev;
3428 /* This is a user write operation */
3429 debug->op = LPFC_IDIAG_OP_WR;
3431 rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
3435 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) {
3436 /* Sanity check on PCI config read command line arguments */
3437 if (rc != LPFC_PCI_CFG_RD_CMD_ARG)
3439 /* Read command from PCI config space, set up command fields */
3440 where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX];
3441 count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX];
3442 if (count == LPFC_PCI_CFG_BROWSE) {
3443 if (where % sizeof(uint32_t))
3445 /* Starting offset to browse */
3446 idiag.offset.last_rd = where;
3447 } else if ((count != sizeof(uint8_t)) &&
3448 (count != sizeof(uint16_t)) &&
3449 (count != sizeof(uint32_t)))
3451 if (count == sizeof(uint8_t)) {
3452 if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t))
3454 if (where % sizeof(uint8_t))
3457 if (count == sizeof(uint16_t)) {
3458 if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t))
3460 if (where % sizeof(uint16_t))
3463 if (count == sizeof(uint32_t)) {
3464 if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t))
3466 if (where % sizeof(uint32_t))
3469 } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR ||
3470 idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST ||
3471 idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
3472 /* Sanity check on PCI config write command line arguments */
3473 if (rc != LPFC_PCI_CFG_WR_CMD_ARG)
3475 /* Write command to PCI config space, read-modify-write */
3476 where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX];
3477 count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX];
3478 value = idiag.cmd.data[IDIAG_PCICFG_VALUE_INDX];
3480 if ((count != sizeof(uint8_t)) &&
3481 (count != sizeof(uint16_t)) &&
3482 (count != sizeof(uint32_t)))
3484 if (count == sizeof(uint8_t)) {
3485 if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t))
3487 if (where % sizeof(uint8_t))
3489 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR)
3490 pci_write_config_byte(pdev, where,
3492 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) {
3493 rc = pci_read_config_byte(pdev, where, &u8val);
3495 u8val |= (uint8_t)value;
3496 pci_write_config_byte(pdev, where,
3500 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
3501 rc = pci_read_config_byte(pdev, where, &u8val);
3503 u8val &= (uint8_t)(~value);
3504 pci_write_config_byte(pdev, where,
3509 if (count == sizeof(uint16_t)) {
3510 if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t))
3512 if (where % sizeof(uint16_t))
3514 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR)
3515 pci_write_config_word(pdev, where,
3517 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) {
3518 rc = pci_read_config_word(pdev, where, &u16val);
3520 u16val |= (uint16_t)value;
3521 pci_write_config_word(pdev, where,
3525 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
3526 rc = pci_read_config_word(pdev, where, &u16val);
3528 u16val &= (uint16_t)(~value);
3529 pci_write_config_word(pdev, where,
3534 if (count == sizeof(uint32_t)) {
3535 if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t))
3537 if (where % sizeof(uint32_t))
3539 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR)
3540 pci_write_config_dword(pdev, where, value);
3541 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) {
3542 rc = pci_read_config_dword(pdev, where,
3546 pci_write_config_dword(pdev, where,
3550 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
3551 rc = pci_read_config_dword(pdev, where,
3555 pci_write_config_dword(pdev, where,
3561 /* All other opecodes are illegal for now */
3566 memset(&idiag, 0, sizeof(idiag));
3571 * lpfc_idiag_baracc_read - idiag debugfs pci bar access read
3572 * @file: The file pointer to read from.
3573 * @buf: The buffer to copy the data to.
3574 * @nbytes: The number of bytes to read.
3575 * @ppos: The position in the file to start reading from.
3578 * This routine reads data from the @phba pci bar memory mapped space
3579 * according to the idiag command, and copies to user @buf.
3582 * This function returns the amount of data that was read (this could be less
3583 * than @nbytes if the end of the file was reached) or a negative error value.
3586 lpfc_idiag_baracc_read(struct file *file, char __user *buf, size_t nbytes,
3589 struct lpfc_debug *debug = file->private_data;
3590 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
3591 int offset_label, offset, offset_run, len = 0, index;
3592 int bar_num, acc_range, bar_size;
3594 void __iomem *mem_mapped_bar;
3596 struct pci_dev *pdev;
3599 pdev = phba->pcidev;
3603 /* This is a user read operation */
3604 debug->op = LPFC_IDIAG_OP_RD;
3607 debug->buffer = kmalloc(LPFC_PCI_BAR_RD_BUF_SIZE, GFP_KERNEL);
3610 pbuffer = debug->buffer;
3615 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) {
3616 bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX];
3617 offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX];
3618 acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX];
3619 bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX];
3626 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
3627 if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
3628 if (bar_num == IDIAG_BARACC_BAR_0)
3629 mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
3630 else if (bar_num == IDIAG_BARACC_BAR_1)
3631 mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p;
3632 else if (bar_num == IDIAG_BARACC_BAR_2)
3633 mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p;
3636 } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
3637 if (bar_num == IDIAG_BARACC_BAR_0)
3638 mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
3644 /* Read single PCI bar space register */
3645 if (acc_range == SINGLE_WORD) {
3646 offset_run = offset;
3647 u32val = readl(mem_mapped_bar + offset_run);
3648 len += scnprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len,
3649 "%05x: %08x\n", offset_run, u32val);
3653 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
3657 /* Browse all PCI bar space registers */
3658 offset_label = idiag.offset.last_rd;
3659 offset_run = offset_label;
3661 /* Read PCI bar memory mapped space */
3662 len += scnprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len,
3663 "%05x: ", offset_label);
3664 index = LPFC_PCI_BAR_RD_SIZE;
3666 u32val = readl(mem_mapped_bar + offset_run);
3667 len += scnprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len,
3669 offset_run += sizeof(uint32_t);
3670 if (acc_range == LPFC_PCI_BAR_BROWSE) {
3671 if (offset_run >= bar_size) {
3672 len += scnprintf(pbuffer+len,
3673 LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n");
3677 if (offset_run >= offset +
3678 (acc_range * sizeof(uint32_t))) {
3679 len += scnprintf(pbuffer+len,
3680 LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n");
3684 index -= sizeof(uint32_t);
3686 len += scnprintf(pbuffer+len,
3687 LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n");
3688 else if (!(index % (8 * sizeof(uint32_t)))) {
3689 offset_label += (8 * sizeof(uint32_t));
3690 len += scnprintf(pbuffer+len,
3691 LPFC_PCI_BAR_RD_BUF_SIZE-len,
3692 "\n%05x: ", offset_label);
3696 /* Set up the offset for next portion of pci bar read */
3698 idiag.offset.last_rd += LPFC_PCI_BAR_RD_SIZE;
3699 if (acc_range == LPFC_PCI_BAR_BROWSE) {
3700 if (idiag.offset.last_rd >= bar_size)
3701 idiag.offset.last_rd = 0;
3703 if (offset_run >= offset +
3704 (acc_range * sizeof(uint32_t)))
3705 idiag.offset.last_rd = offset;
3708 if (acc_range == LPFC_PCI_BAR_BROWSE)
3709 idiag.offset.last_rd = 0;
3711 idiag.offset.last_rd = offset;
3714 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
3718 * lpfc_idiag_baracc_write - Syntax check and set up idiag bar access commands
3719 * @file: The file pointer to read from.
3720 * @buf: The buffer to copy the user data from.
3721 * @nbytes: The number of bytes to get.
3722 * @ppos: The position in the file to start reading from.
3724 * This routine get the debugfs idiag command struct from user space and
3725 * then perform the syntax check for PCI bar memory mapped space read or
3726 * write command accordingly. In the case of PCI bar memory mapped space
3727 * read command, it sets up the command in the idiag command struct for
3728 * the debugfs read operation. In the case of PCI bar memorpy mapped space
3729 * write operation, it executes the write operation into the PCI bar memory
3730 * mapped space accordingly.
3732 * It returns the @nbytges passing in from debugfs user space when successful.
3733 * In case of error conditions, it returns proper error code back to the user
3737 lpfc_idiag_baracc_write(struct file *file, const char __user *buf,
3738 size_t nbytes, loff_t *ppos)
3740 struct lpfc_debug *debug = file->private_data;
3741 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
3742 uint32_t bar_num, bar_size, offset, value, acc_range;
3743 struct pci_dev *pdev;
3744 void __iomem *mem_mapped_bar;
3749 pdev = phba->pcidev;
3753 /* This is a user write operation */
3754 debug->op = LPFC_IDIAG_OP_WR;
3756 rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
3760 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
3761 bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX];
3763 if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
3764 if ((bar_num != IDIAG_BARACC_BAR_0) &&
3765 (bar_num != IDIAG_BARACC_BAR_1) &&
3766 (bar_num != IDIAG_BARACC_BAR_2))
3768 } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
3769 if (bar_num != IDIAG_BARACC_BAR_0)
3774 if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
3775 if (bar_num == IDIAG_BARACC_BAR_0) {
3776 idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
3777 LPFC_PCI_IF0_BAR0_SIZE;
3778 mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
3779 } else if (bar_num == IDIAG_BARACC_BAR_1) {
3780 idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
3781 LPFC_PCI_IF0_BAR1_SIZE;
3782 mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p;
3783 } else if (bar_num == IDIAG_BARACC_BAR_2) {
3784 idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
3785 LPFC_PCI_IF0_BAR2_SIZE;
3786 mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p;
3789 } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
3790 if (bar_num == IDIAG_BARACC_BAR_0) {
3791 idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
3792 LPFC_PCI_IF2_BAR0_SIZE;
3793 mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
3799 offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX];
3800 if (offset % sizeof(uint32_t))
3803 bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX];
3804 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) {
3805 /* Sanity check on PCI config read command line arguments */
3806 if (rc != LPFC_PCI_BAR_RD_CMD_ARG)
3808 acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX];
3809 if (acc_range == LPFC_PCI_BAR_BROWSE) {
3810 if (offset > bar_size - sizeof(uint32_t))
3812 /* Starting offset to browse */
3813 idiag.offset.last_rd = offset;
3814 } else if (acc_range > SINGLE_WORD) {
3815 if (offset + acc_range * sizeof(uint32_t) > bar_size)
3817 /* Starting offset to browse */
3818 idiag.offset.last_rd = offset;
3819 } else if (acc_range != SINGLE_WORD)
3821 } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR ||
3822 idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST ||
3823 idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) {
3824 /* Sanity check on PCI bar write command line arguments */
3825 if (rc != LPFC_PCI_BAR_WR_CMD_ARG)
3827 /* Write command to PCI bar space, read-modify-write */
3828 acc_range = SINGLE_WORD;
3829 value = idiag.cmd.data[IDIAG_BARACC_REG_VAL_INDX];
3830 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR) {
3831 writel(value, mem_mapped_bar + offset);
3832 readl(mem_mapped_bar + offset);
3834 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST) {
3835 u32val = readl(mem_mapped_bar + offset);
3837 writel(u32val, mem_mapped_bar + offset);
3838 readl(mem_mapped_bar + offset);
3840 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) {
3841 u32val = readl(mem_mapped_bar + offset);
3843 writel(u32val, mem_mapped_bar + offset);
3844 readl(mem_mapped_bar + offset);
3847 /* All other opecodes are illegal for now */
3852 memset(&idiag, 0, sizeof(idiag));
3857 __lpfc_idiag_print_wq(struct lpfc_queue *qp, char *wqtype,
3858 char *pbuffer, int len)
3863 len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3864 "\t\t%s WQ info: ", wqtype);
3865 len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3866 "AssocCQID[%04d]: WQ-STAT[oflow:x%x posted:x%llx]\n",
3867 qp->assoc_qid, qp->q_cnt_1,
3868 (unsigned long long)qp->q_cnt_4);
3869 len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3870 "\t\tWQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
3871 "HST-IDX[%04d], PRT-IDX[%04d], NTFI[%03d]",
3872 qp->queue_id, qp->entry_count,
3873 qp->entry_size, qp->host_index,
3874 qp->hba_index, qp->notify_interval);
3875 len += scnprintf(pbuffer + len,
3876 LPFC_QUE_INFO_GET_BUF_SIZE - len, "\n");
3881 lpfc_idiag_wqs_for_cq(struct lpfc_hba *phba, char *wqtype, char *pbuffer,
3882 int *len, int max_cnt, int cq_id)
3884 struct lpfc_queue *qp;
3887 for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) {
3888 qp = phba->sli4_hba.hdwq[qidx].io_wq;
3889 if (qp->assoc_qid != cq_id)
3891 *len = __lpfc_idiag_print_wq(qp, wqtype, pbuffer, *len);
3892 if (*len >= max_cnt)
3899 __lpfc_idiag_print_cq(struct lpfc_queue *qp, char *cqtype,
3900 char *pbuffer, int len)
3905 len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3906 "\t%s CQ info: ", cqtype);
3907 len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3908 "AssocEQID[%02d]: CQ STAT[max:x%x relw:x%x "
3909 "xabt:x%x wq:x%llx]\n",
3910 qp->assoc_qid, qp->q_cnt_1, qp->q_cnt_2,
3911 qp->q_cnt_3, (unsigned long long)qp->q_cnt_4);
3912 len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3913 "\tCQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
3914 "HST-IDX[%04d], NTFI[%03d], PLMT[%03d]",
3915 qp->queue_id, qp->entry_count,
3916 qp->entry_size, qp->host_index,
3917 qp->notify_interval, qp->max_proc_limit);
3919 len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3926 __lpfc_idiag_print_rqpair(struct lpfc_queue *qp, struct lpfc_queue *datqp,
3927 char *rqtype, char *pbuffer, int len)
3932 len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3933 "\t\t%s RQ info: ", rqtype);
3934 len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3935 "AssocCQID[%02d]: RQ-STAT[nopost:x%x nobuf:x%x "
3936 "posted:x%x rcv:x%llx]\n",
3937 qp->assoc_qid, qp->q_cnt_1, qp->q_cnt_2,
3938 qp->q_cnt_3, (unsigned long long)qp->q_cnt_4);
3939 len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3940 "\t\tHQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
3941 "HST-IDX[%04d], PRT-IDX[%04d], NTFI[%03d]\n",
3942 qp->queue_id, qp->entry_count, qp->entry_size,
3943 qp->host_index, qp->hba_index, qp->notify_interval);
3944 len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3945 "\t\tDQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
3946 "HST-IDX[%04d], PRT-IDX[%04d], NTFI[%03d]\n",
3947 datqp->queue_id, datqp->entry_count,
3948 datqp->entry_size, datqp->host_index,
3949 datqp->hba_index, datqp->notify_interval);
3954 lpfc_idiag_cqs_for_eq(struct lpfc_hba *phba, char *pbuffer,
3955 int *len, int max_cnt, int eqidx, int eq_id)
3957 struct lpfc_queue *qp;
3960 qp = phba->sli4_hba.hdwq[eqidx].io_cq;
3962 *len = __lpfc_idiag_print_cq(qp, "IO", pbuffer, *len);
3964 /* Reset max counter */
3967 if (*len >= max_cnt)
3970 rc = lpfc_idiag_wqs_for_cq(phba, "IO", pbuffer, len,
3971 max_cnt, qp->queue_id);
3975 if ((eqidx < phba->cfg_nvmet_mrq) && phba->nvmet_support) {
3977 qp = phba->sli4_hba.nvmet_cqset[eqidx];
3978 *len = __lpfc_idiag_print_cq(qp, "NVMET CQset", pbuffer, *len);
3980 /* Reset max counter */
3983 if (*len >= max_cnt)
3987 qp = phba->sli4_hba.nvmet_mrq_hdr[eqidx];
3988 *len = __lpfc_idiag_print_rqpair(qp,
3989 phba->sli4_hba.nvmet_mrq_data[eqidx],
3990 "NVMET MRQ", pbuffer, *len);
3992 if (*len >= max_cnt)
4000 __lpfc_idiag_print_eq(struct lpfc_queue *qp, char *eqtype,
4001 char *pbuffer, int len)
4006 len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
4007 "\n%s EQ info: EQ-STAT[max:x%x noE:x%x "
4008 "cqe_proc:x%x eqe_proc:x%llx eqd %d]\n",
4009 eqtype, qp->q_cnt_1, qp->q_cnt_2, qp->q_cnt_3,
4010 (unsigned long long)qp->q_cnt_4, qp->q_mode);
4011 len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
4012 "EQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
4013 "HST-IDX[%04d], NTFI[%03d], PLMT[%03d], AFFIN[%03d]",
4014 qp->queue_id, qp->entry_count, qp->entry_size,
4015 qp->host_index, qp->notify_interval,
4016 qp->max_proc_limit, qp->chann);
4017 len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
4024 * lpfc_idiag_queinfo_read - idiag debugfs read queue information
4025 * @file: The file pointer to read from.
4026 * @buf: The buffer to copy the data to.
4027 * @nbytes: The number of bytes to read.
4028 * @ppos: The position in the file to start reading from.
4031 * This routine reads data from the @phba SLI4 PCI function queue information,
4032 * and copies to user @buf.
4033 * This routine only returns 1 EQs worth of information. It remembers the last
4034 * EQ read and jumps to the next EQ. Thus subsequent calls to queInfo will
4035 * retrieve all EQs allocated for the phba.
4038 * This function returns the amount of data that was read (this could be less
4039 * than @nbytes if the end of the file was reached) or a negative error value.
4042 lpfc_idiag_queinfo_read(struct file *file, char __user *buf, size_t nbytes,
4045 struct lpfc_debug *debug = file->private_data;
4046 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
4048 int max_cnt, rc, x, len = 0;
4049 struct lpfc_queue *qp = NULL;
4052 debug->buffer = kmalloc(LPFC_QUE_INFO_GET_BUF_SIZE, GFP_KERNEL);
4055 pbuffer = debug->buffer;
4056 max_cnt = LPFC_QUE_INFO_GET_BUF_SIZE - 256;
4061 spin_lock_irq(&phba->hbalock);
4063 /* Fast-path event queue */
4064 if (phba->sli4_hba.hdwq && phba->cfg_hdw_queue) {
4066 x = phba->lpfc_idiag_last_eq;
4067 phba->lpfc_idiag_last_eq++;
4068 if (phba->lpfc_idiag_last_eq >= phba->cfg_hdw_queue)
4069 phba->lpfc_idiag_last_eq = 0;
4071 len += scnprintf(pbuffer + len,
4072 LPFC_QUE_INFO_GET_BUF_SIZE - len,
4073 "HDWQ %d out of %d HBA HDWQs\n",
4074 x, phba->cfg_hdw_queue);
4077 qp = phba->sli4_hba.hdwq[x].hba_eq;
4081 len = __lpfc_idiag_print_eq(qp, "HBA", pbuffer, len);
4083 /* Reset max counter */
4089 /* will dump both fcp and nvme cqs/wqs for the eq */
4090 rc = lpfc_idiag_cqs_for_eq(phba, pbuffer, &len,
4091 max_cnt, x, qp->queue_id);
4095 /* Only EQ 0 has slow path CQs configured */
4099 /* Slow-path mailbox CQ */
4100 qp = phba->sli4_hba.mbx_cq;
4101 len = __lpfc_idiag_print_cq(qp, "MBX", pbuffer, len);
4105 /* Slow-path MBOX MQ */
4106 qp = phba->sli4_hba.mbx_wq;
4107 len = __lpfc_idiag_print_wq(qp, "MBX", pbuffer, len);
4111 /* Slow-path ELS response CQ */
4112 qp = phba->sli4_hba.els_cq;
4113 len = __lpfc_idiag_print_cq(qp, "ELS", pbuffer, len);
4114 /* Reset max counter */
4120 /* Slow-path ELS WQ */
4121 qp = phba->sli4_hba.els_wq;
4122 len = __lpfc_idiag_print_wq(qp, "ELS", pbuffer, len);
4126 qp = phba->sli4_hba.hdr_rq;
4127 len = __lpfc_idiag_print_rqpair(qp, phba->sli4_hba.dat_rq,
4128 "ELS RQpair", pbuffer, len);
4132 /* Slow-path NVME LS response CQ */
4133 qp = phba->sli4_hba.nvmels_cq;
4134 len = __lpfc_idiag_print_cq(qp, "NVME LS",
4136 /* Reset max counter */
4142 /* Slow-path NVME LS WQ */
4143 qp = phba->sli4_hba.nvmels_wq;
4144 len = __lpfc_idiag_print_wq(qp, "NVME LS",
4152 spin_unlock_irq(&phba->hbalock);
4153 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
4156 len += scnprintf(pbuffer + len,
4157 LPFC_QUE_INFO_GET_BUF_SIZE - len, "Truncated ...\n");
4159 spin_unlock_irq(&phba->hbalock);
4160 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
4164 * lpfc_idiag_que_param_check - queue access command parameter sanity check
4165 * @q: The pointer to queue structure.
4166 * @index: The index into a queue entry.
4167 * @count: The number of queue entries to access.
4170 * The routine performs sanity check on device queue access method commands.
4173 * This function returns -EINVAL when fails the sanity check, otherwise, it
4177 lpfc_idiag_que_param_check(struct lpfc_queue *q, int index, int count)
4179 /* Only support single entry read or browsing */
4180 if ((count != 1) && (count != LPFC_QUE_ACC_BROWSE))
4182 if (index > q->entry_count - 1)
4188 * lpfc_idiag_queacc_read_qe - read a single entry from the given queue index
4189 * @pbuffer: The pointer to buffer to copy the read data into.
4190 * @pque: The pointer to the queue to be read.
4191 * @index: The index into the queue entry.
4194 * This routine reads out a single entry from the given queue's index location
4195 * and copies it into the buffer provided.
4198 * This function returns 0 when it fails, otherwise, it returns the length of
4199 * the data read into the buffer provided.
4202 lpfc_idiag_queacc_read_qe(char *pbuffer, int len, struct lpfc_queue *pque,
4208 if (!pbuffer || !pque)
4211 esize = pque->entry_size;
4212 len += scnprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len,
4213 "QE-INDEX[%04d]:\n", index);
4216 pentry = lpfc_sli4_qe(pque, index);
4218 len += scnprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len,
4221 offset += sizeof(uint32_t);
4222 esize -= sizeof(uint32_t);
4223 if (esize > 0 && !(offset % (4 * sizeof(uint32_t))))
4224 len += scnprintf(pbuffer+len,
4225 LPFC_QUE_ACC_BUF_SIZE-len, "\n");
4227 len += scnprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, "\n");
4233 * lpfc_idiag_queacc_read - idiag debugfs read port queue
4234 * @file: The file pointer to read from.
4235 * @buf: The buffer to copy the data to.
4236 * @nbytes: The number of bytes to read.
4237 * @ppos: The position in the file to start reading from.
4240 * This routine reads data from the @phba device queue memory according to the
4241 * idiag command, and copies to user @buf. Depending on the queue dump read
4242 * command setup, it does either a single queue entry read or browing through
4243 * all entries of the queue.
4246 * This function returns the amount of data that was read (this could be less
4247 * than @nbytes if the end of the file was reached) or a negative error value.
4250 lpfc_idiag_queacc_read(struct file *file, char __user *buf, size_t nbytes,
4253 struct lpfc_debug *debug = file->private_data;
4254 uint32_t last_index, index, count;
4255 struct lpfc_queue *pque = NULL;
4259 /* This is a user read operation */
4260 debug->op = LPFC_IDIAG_OP_RD;
4263 debug->buffer = kmalloc(LPFC_QUE_ACC_BUF_SIZE, GFP_KERNEL);
4266 pbuffer = debug->buffer;
4271 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) {
4272 index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX];
4273 count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX];
4274 pque = (struct lpfc_queue *)idiag.ptr_private;
4278 /* Browse the queue starting from index */
4279 if (count == LPFC_QUE_ACC_BROWSE)
4282 /* Read a single entry from the queue */
4283 len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index);
4285 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
4289 /* Browse all entries from the queue */
4290 last_index = idiag.offset.last_rd;
4293 while (len < LPFC_QUE_ACC_SIZE - pque->entry_size) {
4294 len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index);
4296 if (index > pque->entry_count - 1)
4300 /* Set up the offset for next portion of pci cfg read */
4301 if (index > pque->entry_count - 1)
4303 idiag.offset.last_rd = index;
4305 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
4309 * lpfc_idiag_queacc_write - Syntax check and set up idiag queacc commands
4310 * @file: The file pointer to read from.
4311 * @buf: The buffer to copy the user data from.
4312 * @nbytes: The number of bytes to get.
4313 * @ppos: The position in the file to start reading from.
4315 * This routine get the debugfs idiag command struct from user space and then
4316 * perform the syntax check for port queue read (dump) or write (set) command
4317 * accordingly. In the case of port queue read command, it sets up the command
4318 * in the idiag command struct for the following debugfs read operation. In
4319 * the case of port queue write operation, it executes the write operation
4320 * into the port queue entry accordingly.
4322 * It returns the @nbytges passing in from debugfs user space when successful.
4323 * In case of error conditions, it returns proper error code back to the user
4327 lpfc_idiag_queacc_write(struct file *file, const char __user *buf,
4328 size_t nbytes, loff_t *ppos)
4330 struct lpfc_debug *debug = file->private_data;
4331 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
4332 uint32_t qidx, quetp, queid, index, count, offset, value;
4334 struct lpfc_queue *pque, *qp;
4337 /* This is a user write operation */
4338 debug->op = LPFC_IDIAG_OP_WR;
4340 rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
4344 /* Get and sanity check on command feilds */
4345 quetp = idiag.cmd.data[IDIAG_QUEACC_QUETP_INDX];
4346 queid = idiag.cmd.data[IDIAG_QUEACC_QUEID_INDX];
4347 index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX];
4348 count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX];
4349 offset = idiag.cmd.data[IDIAG_QUEACC_OFFST_INDX];
4350 value = idiag.cmd.data[IDIAG_QUEACC_VALUE_INDX];
4352 /* Sanity check on command line arguments */
4353 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR ||
4354 idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST ||
4355 idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) {
4356 if (rc != LPFC_QUE_ACC_WR_CMD_ARG)
4360 } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) {
4361 if (rc != LPFC_QUE_ACC_RD_CMD_ARG)
4368 /* HBA event queue */
4369 if (phba->sli4_hba.hdwq) {
4370 for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) {
4371 qp = phba->sli4_hba.hdwq[qidx].hba_eq;
4372 if (qp && qp->queue_id == queid) {
4374 rc = lpfc_idiag_que_param_check(qp,
4378 idiag.ptr_private = qp;
4386 /* MBX complete queue */
4387 if (phba->sli4_hba.mbx_cq &&
4388 phba->sli4_hba.mbx_cq->queue_id == queid) {
4390 rc = lpfc_idiag_que_param_check(
4391 phba->sli4_hba.mbx_cq, index, count);
4394 idiag.ptr_private = phba->sli4_hba.mbx_cq;
4397 /* ELS complete queue */
4398 if (phba->sli4_hba.els_cq &&
4399 phba->sli4_hba.els_cq->queue_id == queid) {
4401 rc = lpfc_idiag_que_param_check(
4402 phba->sli4_hba.els_cq, index, count);
4405 idiag.ptr_private = phba->sli4_hba.els_cq;
4408 /* NVME LS complete queue */
4409 if (phba->sli4_hba.nvmels_cq &&
4410 phba->sli4_hba.nvmels_cq->queue_id == queid) {
4412 rc = lpfc_idiag_que_param_check(
4413 phba->sli4_hba.nvmels_cq, index, count);
4416 idiag.ptr_private = phba->sli4_hba.nvmels_cq;
4419 /* FCP complete queue */
4420 if (phba->sli4_hba.hdwq) {
4421 for (qidx = 0; qidx < phba->cfg_hdw_queue;
4423 qp = phba->sli4_hba.hdwq[qidx].io_cq;
4424 if (qp && qp->queue_id == queid) {
4426 rc = lpfc_idiag_que_param_check(
4430 idiag.ptr_private = qp;
4438 /* MBX work queue */
4439 if (phba->sli4_hba.mbx_wq &&
4440 phba->sli4_hba.mbx_wq->queue_id == queid) {
4442 rc = lpfc_idiag_que_param_check(
4443 phba->sli4_hba.mbx_wq, index, count);
4446 idiag.ptr_private = phba->sli4_hba.mbx_wq;
4452 /* ELS work queue */
4453 if (phba->sli4_hba.els_wq &&
4454 phba->sli4_hba.els_wq->queue_id == queid) {
4456 rc = lpfc_idiag_que_param_check(
4457 phba->sli4_hba.els_wq, index, count);
4460 idiag.ptr_private = phba->sli4_hba.els_wq;
4463 /* NVME LS work queue */
4464 if (phba->sli4_hba.nvmels_wq &&
4465 phba->sli4_hba.nvmels_wq->queue_id == queid) {
4467 rc = lpfc_idiag_que_param_check(
4468 phba->sli4_hba.nvmels_wq, index, count);
4471 idiag.ptr_private = phba->sli4_hba.nvmels_wq;
4475 if (phba->sli4_hba.hdwq) {
4476 /* FCP/SCSI work queue */
4477 for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) {
4478 qp = phba->sli4_hba.hdwq[qidx].io_wq;
4479 if (qp && qp->queue_id == queid) {
4481 rc = lpfc_idiag_que_param_check(
4485 idiag.ptr_private = qp;
4495 if (phba->sli4_hba.hdr_rq &&
4496 phba->sli4_hba.hdr_rq->queue_id == queid) {
4498 rc = lpfc_idiag_que_param_check(
4499 phba->sli4_hba.hdr_rq, index, count);
4502 idiag.ptr_private = phba->sli4_hba.hdr_rq;
4506 if (phba->sli4_hba.dat_rq &&
4507 phba->sli4_hba.dat_rq->queue_id == queid) {
4509 rc = lpfc_idiag_que_param_check(
4510 phba->sli4_hba.dat_rq, index, count);
4513 idiag.ptr_private = phba->sli4_hba.dat_rq;
4525 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) {
4526 if (count == LPFC_QUE_ACC_BROWSE)
4527 idiag.offset.last_rd = index;
4530 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR ||
4531 idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST ||
4532 idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) {
4533 /* Additional sanity checks on write operation */
4534 pque = (struct lpfc_queue *)idiag.ptr_private;
4535 if (offset > pque->entry_size/sizeof(uint32_t) - 1)
4537 pentry = lpfc_sli4_qe(pque, index);
4539 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR)
4541 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST)
4543 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL)
4549 /* Clean out command structure on command error out */
4550 memset(&idiag, 0, sizeof(idiag));
4555 * lpfc_idiag_drbacc_read_reg - idiag debugfs read a doorbell register
4556 * @phba: The pointer to hba structure.
4557 * @pbuffer: The pointer to the buffer to copy the data to.
4558 * @len: The length of bytes to copied.
4559 * @drbregid: The id to doorbell registers.
4562 * This routine reads a doorbell register and copies its content to the
4563 * user buffer pointed to by @pbuffer.
4566 * This function returns the amount of data that was copied into @pbuffer.
4569 lpfc_idiag_drbacc_read_reg(struct lpfc_hba *phba, char *pbuffer,
4570 int len, uint32_t drbregid)
4578 len += scnprintf(pbuffer + len, LPFC_DRB_ACC_BUF_SIZE-len,
4579 "EQ-DRB-REG: 0x%08x\n",
4580 readl(phba->sli4_hba.EQDBregaddr));
4583 len += scnprintf(pbuffer + len, LPFC_DRB_ACC_BUF_SIZE - len,
4584 "CQ-DRB-REG: 0x%08x\n",
4585 readl(phba->sli4_hba.CQDBregaddr));
4588 len += scnprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
4589 "MQ-DRB-REG: 0x%08x\n",
4590 readl(phba->sli4_hba.MQDBregaddr));
4593 len += scnprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
4594 "WQ-DRB-REG: 0x%08x\n",
4595 readl(phba->sli4_hba.WQDBregaddr));
4598 len += scnprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
4599 "RQ-DRB-REG: 0x%08x\n",
4600 readl(phba->sli4_hba.RQDBregaddr));
4610 * lpfc_idiag_drbacc_read - idiag debugfs read port doorbell
4611 * @file: The file pointer to read from.
4612 * @buf: The buffer to copy the data to.
4613 * @nbytes: The number of bytes to read.
4614 * @ppos: The position in the file to start reading from.
4617 * This routine reads data from the @phba device doorbell register according
4618 * to the idiag command, and copies to user @buf. Depending on the doorbell
4619 * register read command setup, it does either a single doorbell register
4620 * read or dump all doorbell registers.
4623 * This function returns the amount of data that was read (this could be less
4624 * than @nbytes if the end of the file was reached) or a negative error value.
4627 lpfc_idiag_drbacc_read(struct file *file, char __user *buf, size_t nbytes,
4630 struct lpfc_debug *debug = file->private_data;
4631 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
4632 uint32_t drb_reg_id, i;
4636 /* This is a user read operation */
4637 debug->op = LPFC_IDIAG_OP_RD;
4640 debug->buffer = kmalloc(LPFC_DRB_ACC_BUF_SIZE, GFP_KERNEL);
4643 pbuffer = debug->buffer;
4648 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD)
4649 drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX];
4653 if (drb_reg_id == LPFC_DRB_ACC_ALL)
4654 for (i = 1; i <= LPFC_DRB_MAX; i++)
4655 len = lpfc_idiag_drbacc_read_reg(phba,
4658 len = lpfc_idiag_drbacc_read_reg(phba,
4659 pbuffer, len, drb_reg_id);
4661 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
4665 * lpfc_idiag_drbacc_write - Syntax check and set up idiag drbacc commands
4666 * @file: The file pointer to read from.
4667 * @buf: The buffer to copy the user data from.
4668 * @nbytes: The number of bytes to get.
4669 * @ppos: The position in the file to start reading from.
4671 * This routine get the debugfs idiag command struct from user space and then
4672 * perform the syntax check for port doorbell register read (dump) or write
4673 * (set) command accordingly. In the case of port queue read command, it sets
4674 * up the command in the idiag command struct for the following debugfs read
4675 * operation. In the case of port doorbell register write operation, it
4676 * executes the write operation into the port doorbell register accordingly.
4678 * It returns the @nbytges passing in from debugfs user space when successful.
4679 * In case of error conditions, it returns proper error code back to the user
4683 lpfc_idiag_drbacc_write(struct file *file, const char __user *buf,
4684 size_t nbytes, loff_t *ppos)
4686 struct lpfc_debug *debug = file->private_data;
4687 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
4688 uint32_t drb_reg_id, value, reg_val = 0;
4689 void __iomem *drb_reg;
4692 /* This is a user write operation */
4693 debug->op = LPFC_IDIAG_OP_WR;
4695 rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
4699 /* Sanity check on command line arguments */
4700 drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX];
4701 value = idiag.cmd.data[IDIAG_DRBACC_VALUE_INDX];
4703 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR ||
4704 idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST ||
4705 idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) {
4706 if (rc != LPFC_DRB_ACC_WR_CMD_ARG)
4708 if (drb_reg_id > LPFC_DRB_MAX)
4710 } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD) {
4711 if (rc != LPFC_DRB_ACC_RD_CMD_ARG)
4713 if ((drb_reg_id > LPFC_DRB_MAX) &&
4714 (drb_reg_id != LPFC_DRB_ACC_ALL))
4719 /* Perform the write access operation */
4720 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR ||
4721 idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST ||
4722 idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) {
4723 switch (drb_reg_id) {
4725 drb_reg = phba->sli4_hba.EQDBregaddr;
4728 drb_reg = phba->sli4_hba.CQDBregaddr;
4731 drb_reg = phba->sli4_hba.MQDBregaddr;
4734 drb_reg = phba->sli4_hba.WQDBregaddr;
4737 drb_reg = phba->sli4_hba.RQDBregaddr;
4743 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR)
4745 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST) {
4746 reg_val = readl(drb_reg);
4749 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) {
4750 reg_val = readl(drb_reg);
4753 writel(reg_val, drb_reg);
4754 readl(drb_reg); /* flush */
4759 /* Clean out command structure on command error out */
4760 memset(&idiag, 0, sizeof(idiag));
4765 * lpfc_idiag_ctlacc_read_reg - idiag debugfs read a control registers
4766 * @phba: The pointer to hba structure.
4767 * @pbuffer: The pointer to the buffer to copy the data to.
4768 * @len: The length of bytes to copied.
4769 * @drbregid: The id to doorbell registers.
4772 * This routine reads a control register and copies its content to the
4773 * user buffer pointed to by @pbuffer.
4776 * This function returns the amount of data that was copied into @pbuffer.
4779 lpfc_idiag_ctlacc_read_reg(struct lpfc_hba *phba, char *pbuffer,
4780 int len, uint32_t ctlregid)
4787 case LPFC_CTL_PORT_SEM:
4788 len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
4789 "Port SemReg: 0x%08x\n",
4790 readl(phba->sli4_hba.conf_regs_memmap_p +
4791 LPFC_CTL_PORT_SEM_OFFSET));
4793 case LPFC_CTL_PORT_STA:
4794 len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
4795 "Port StaReg: 0x%08x\n",
4796 readl(phba->sli4_hba.conf_regs_memmap_p +
4797 LPFC_CTL_PORT_STA_OFFSET));
4799 case LPFC_CTL_PORT_CTL:
4800 len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
4801 "Port CtlReg: 0x%08x\n",
4802 readl(phba->sli4_hba.conf_regs_memmap_p +
4803 LPFC_CTL_PORT_CTL_OFFSET));
4805 case LPFC_CTL_PORT_ER1:
4806 len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
4807 "Port Er1Reg: 0x%08x\n",
4808 readl(phba->sli4_hba.conf_regs_memmap_p +
4809 LPFC_CTL_PORT_ER1_OFFSET));
4811 case LPFC_CTL_PORT_ER2:
4812 len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
4813 "Port Er2Reg: 0x%08x\n",
4814 readl(phba->sli4_hba.conf_regs_memmap_p +
4815 LPFC_CTL_PORT_ER2_OFFSET));
4817 case LPFC_CTL_PDEV_CTL:
4818 len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
4819 "PDev CtlReg: 0x%08x\n",
4820 readl(phba->sli4_hba.conf_regs_memmap_p +
4821 LPFC_CTL_PDEV_CTL_OFFSET));
4830 * lpfc_idiag_ctlacc_read - idiag debugfs read port and device control register
4831 * @file: The file pointer to read from.
4832 * @buf: The buffer to copy the data to.
4833 * @nbytes: The number of bytes to read.
4834 * @ppos: The position in the file to start reading from.
4837 * This routine reads data from the @phba port and device registers according
4838 * to the idiag command, and copies to user @buf.
4841 * This function returns the amount of data that was read (this could be less
4842 * than @nbytes if the end of the file was reached) or a negative error value.
4845 lpfc_idiag_ctlacc_read(struct file *file, char __user *buf, size_t nbytes,
4848 struct lpfc_debug *debug = file->private_data;
4849 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
4850 uint32_t ctl_reg_id, i;
4854 /* This is a user read operation */
4855 debug->op = LPFC_IDIAG_OP_RD;
4858 debug->buffer = kmalloc(LPFC_CTL_ACC_BUF_SIZE, GFP_KERNEL);
4861 pbuffer = debug->buffer;
4866 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD)
4867 ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX];
4871 if (ctl_reg_id == LPFC_CTL_ACC_ALL)
4872 for (i = 1; i <= LPFC_CTL_MAX; i++)
4873 len = lpfc_idiag_ctlacc_read_reg(phba,
4876 len = lpfc_idiag_ctlacc_read_reg(phba,
4877 pbuffer, len, ctl_reg_id);
4879 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
4883 * lpfc_idiag_ctlacc_write - Syntax check and set up idiag ctlacc commands
4884 * @file: The file pointer to read from.
4885 * @buf: The buffer to copy the user data from.
4886 * @nbytes: The number of bytes to get.
4887 * @ppos: The position in the file to start reading from.
4889 * This routine get the debugfs idiag command struct from user space and then
4890 * perform the syntax check for port and device control register read (dump)
4891 * or write (set) command accordingly.
4893 * It returns the @nbytges passing in from debugfs user space when successful.
4894 * In case of error conditions, it returns proper error code back to the user
4898 lpfc_idiag_ctlacc_write(struct file *file, const char __user *buf,
4899 size_t nbytes, loff_t *ppos)
4901 struct lpfc_debug *debug = file->private_data;
4902 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
4903 uint32_t ctl_reg_id, value, reg_val = 0;
4904 void __iomem *ctl_reg;
4907 /* This is a user write operation */
4908 debug->op = LPFC_IDIAG_OP_WR;
4910 rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
4914 /* Sanity check on command line arguments */
4915 ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX];
4916 value = idiag.cmd.data[IDIAG_CTLACC_VALUE_INDX];
4918 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR ||
4919 idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST ||
4920 idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) {
4921 if (rc != LPFC_CTL_ACC_WR_CMD_ARG)
4923 if (ctl_reg_id > LPFC_CTL_MAX)
4925 } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD) {
4926 if (rc != LPFC_CTL_ACC_RD_CMD_ARG)
4928 if ((ctl_reg_id > LPFC_CTL_MAX) &&
4929 (ctl_reg_id != LPFC_CTL_ACC_ALL))
4934 /* Perform the write access operation */
4935 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR ||
4936 idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST ||
4937 idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) {
4938 switch (ctl_reg_id) {
4939 case LPFC_CTL_PORT_SEM:
4940 ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
4941 LPFC_CTL_PORT_SEM_OFFSET;
4943 case LPFC_CTL_PORT_STA:
4944 ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
4945 LPFC_CTL_PORT_STA_OFFSET;
4947 case LPFC_CTL_PORT_CTL:
4948 ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
4949 LPFC_CTL_PORT_CTL_OFFSET;
4951 case LPFC_CTL_PORT_ER1:
4952 ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
4953 LPFC_CTL_PORT_ER1_OFFSET;
4955 case LPFC_CTL_PORT_ER2:
4956 ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
4957 LPFC_CTL_PORT_ER2_OFFSET;
4959 case LPFC_CTL_PDEV_CTL:
4960 ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
4961 LPFC_CTL_PDEV_CTL_OFFSET;
4967 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR)
4969 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST) {
4970 reg_val = readl(ctl_reg);
4973 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) {
4974 reg_val = readl(ctl_reg);
4977 writel(reg_val, ctl_reg);
4978 readl(ctl_reg); /* flush */
4983 /* Clean out command structure on command error out */
4984 memset(&idiag, 0, sizeof(idiag));
4989 * lpfc_idiag_mbxacc_get_setup - idiag debugfs get mailbox access setup
4990 * @phba: Pointer to HBA context object.
4991 * @pbuffer: Pointer to data buffer.
4994 * This routine gets the driver mailbox access debugfs setup information.
4997 * This function returns the amount of data that was read (this could be less
4998 * than @nbytes if the end of the file was reached) or a negative error value.
5001 lpfc_idiag_mbxacc_get_setup(struct lpfc_hba *phba, char *pbuffer)
5003 uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd;
5006 mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
5007 mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
5008 mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
5009 mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
5011 len += scnprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
5012 "mbx_dump_map: 0x%08x\n", mbx_dump_map);
5013 len += scnprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
5014 "mbx_dump_cnt: %04d\n", mbx_dump_cnt);
5015 len += scnprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
5016 "mbx_word_cnt: %04d\n", mbx_word_cnt);
5017 len += scnprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
5018 "mbx_mbox_cmd: 0x%02x\n", mbx_mbox_cmd);
5024 * lpfc_idiag_mbxacc_read - idiag debugfs read on mailbox access
5025 * @file: The file pointer to read from.
5026 * @buf: The buffer to copy the data to.
5027 * @nbytes: The number of bytes to read.
5028 * @ppos: The position in the file to start reading from.
5031 * This routine reads data from the @phba driver mailbox access debugfs setup
5035 * This function returns the amount of data that was read (this could be less
5036 * than @nbytes if the end of the file was reached) or a negative error value.
5039 lpfc_idiag_mbxacc_read(struct file *file, char __user *buf, size_t nbytes,
5042 struct lpfc_debug *debug = file->private_data;
5043 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
5047 /* This is a user read operation */
5048 debug->op = LPFC_IDIAG_OP_RD;
5051 debug->buffer = kmalloc(LPFC_MBX_ACC_BUF_SIZE, GFP_KERNEL);
5054 pbuffer = debug->buffer;
5059 if ((idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP) &&
5060 (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP))
5063 len = lpfc_idiag_mbxacc_get_setup(phba, pbuffer);
5065 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
5069 * lpfc_idiag_mbxacc_write - Syntax check and set up idiag mbxacc commands
5070 * @file: The file pointer to read from.
5071 * @buf: The buffer to copy the user data from.
5072 * @nbytes: The number of bytes to get.
5073 * @ppos: The position in the file to start reading from.
5075 * This routine get the debugfs idiag command struct from user space and then
5076 * perform the syntax check for driver mailbox command (dump) and sets up the
5077 * necessary states in the idiag command struct accordingly.
5079 * It returns the @nbytges passing in from debugfs user space when successful.
5080 * In case of error conditions, it returns proper error code back to the user
5084 lpfc_idiag_mbxacc_write(struct file *file, const char __user *buf,
5085 size_t nbytes, loff_t *ppos)
5087 struct lpfc_debug *debug = file->private_data;
5088 uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd;
5091 /* This is a user write operation */
5092 debug->op = LPFC_IDIAG_OP_WR;
5094 rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
5098 /* Sanity check on command line arguments */
5099 mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
5100 mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
5101 mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
5102 mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
5104 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_MBXACC_DP) {
5105 if (!(mbx_dump_map & LPFC_MBX_DMP_MBX_ALL))
5107 if ((mbx_dump_map & ~LPFC_MBX_DMP_MBX_ALL) &&
5108 (mbx_dump_map != LPFC_MBX_DMP_ALL))
5110 if (mbx_word_cnt > sizeof(MAILBOX_t))
5112 } else if (idiag.cmd.opcode == LPFC_IDIAG_BSG_MBXACC_DP) {
5113 if (!(mbx_dump_map & LPFC_BSG_DMP_MBX_ALL))
5115 if ((mbx_dump_map & ~LPFC_BSG_DMP_MBX_ALL) &&
5116 (mbx_dump_map != LPFC_MBX_DMP_ALL))
5118 if (mbx_word_cnt > (BSG_MBOX_SIZE)/4)
5120 if (mbx_mbox_cmd != 0x9b)
5125 if (mbx_word_cnt == 0)
5127 if (rc != LPFC_MBX_DMP_ARG)
5129 if (mbx_mbox_cmd & ~0xff)
5132 /* condition for stop mailbox dump */
5133 if (mbx_dump_cnt == 0)
5139 /* Clean out command structure on command error out */
5140 memset(&idiag, 0, sizeof(idiag));
5144 /* Clean out command structure on command error out */
5145 memset(&idiag, 0, sizeof(idiag));
5150 * lpfc_idiag_extacc_avail_get - get the available extents information
5151 * @phba: pointer to lpfc hba data structure.
5152 * @pbuffer: pointer to internal buffer.
5153 * @len: length into the internal buffer data has been copied.
5156 * This routine is to get the available extent information.
5159 * overall lenth of the data read into the internal buffer.
5162 lpfc_idiag_extacc_avail_get(struct lpfc_hba *phba, char *pbuffer, int len)
5164 uint16_t ext_cnt, ext_size;
5166 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5167 "\nAvailable Extents Information:\n");
5169 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5170 "\tPort Available VPI extents: ");
5171 lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VPI,
5172 &ext_cnt, &ext_size);
5173 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5174 "Count %3d, Size %3d\n", ext_cnt, ext_size);
5176 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5177 "\tPort Available VFI extents: ");
5178 lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VFI,
5179 &ext_cnt, &ext_size);
5180 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5181 "Count %3d, Size %3d\n", ext_cnt, ext_size);
5183 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5184 "\tPort Available RPI extents: ");
5185 lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_RPI,
5186 &ext_cnt, &ext_size);
5187 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5188 "Count %3d, Size %3d\n", ext_cnt, ext_size);
5190 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5191 "\tPort Available XRI extents: ");
5192 lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_XRI,
5193 &ext_cnt, &ext_size);
5194 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5195 "Count %3d, Size %3d\n", ext_cnt, ext_size);
5201 * lpfc_idiag_extacc_alloc_get - get the allocated extents information
5202 * @phba: pointer to lpfc hba data structure.
5203 * @pbuffer: pointer to internal buffer.
5204 * @len: length into the internal buffer data has been copied.
5207 * This routine is to get the allocated extent information.
5210 * overall lenth of the data read into the internal buffer.
5213 lpfc_idiag_extacc_alloc_get(struct lpfc_hba *phba, char *pbuffer, int len)
5215 uint16_t ext_cnt, ext_size;
5218 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5219 "\nAllocated Extents Information:\n");
5221 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5222 "\tHost Allocated VPI extents: ");
5223 rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VPI,
5224 &ext_cnt, &ext_size);
5226 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5227 "Port %d Extent %3d, Size %3d\n",
5228 phba->brd_no, ext_cnt, ext_size);
5230 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5233 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5234 "\tHost Allocated VFI extents: ");
5235 rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VFI,
5236 &ext_cnt, &ext_size);
5238 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5239 "Port %d Extent %3d, Size %3d\n",
5240 phba->brd_no, ext_cnt, ext_size);
5242 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5245 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5246 "\tHost Allocated RPI extents: ");
5247 rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_RPI,
5248 &ext_cnt, &ext_size);
5250 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5251 "Port %d Extent %3d, Size %3d\n",
5252 phba->brd_no, ext_cnt, ext_size);
5254 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5257 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5258 "\tHost Allocated XRI extents: ");
5259 rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_XRI,
5260 &ext_cnt, &ext_size);
5262 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5263 "Port %d Extent %3d, Size %3d\n",
5264 phba->brd_no, ext_cnt, ext_size);
5266 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5273 * lpfc_idiag_extacc_drivr_get - get driver extent information
5274 * @phba: pointer to lpfc hba data structure.
5275 * @pbuffer: pointer to internal buffer.
5276 * @len: length into the internal buffer data has been copied.
5279 * This routine is to get the driver extent information.
5282 * overall lenth of the data read into the internal buffer.
5285 lpfc_idiag_extacc_drivr_get(struct lpfc_hba *phba, char *pbuffer, int len)
5287 struct lpfc_rsrc_blks *rsrc_blks;
5290 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5291 "\nDriver Extents Information:\n");
5293 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5294 "\tVPI extents:\n");
5296 list_for_each_entry(rsrc_blks, &phba->lpfc_vpi_blk_list, list) {
5297 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5298 "\t\tBlock %3d: Start %4d, Count %4d\n",
5299 index, rsrc_blks->rsrc_start,
5300 rsrc_blks->rsrc_size);
5303 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5304 "\tVFI extents:\n");
5306 list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_vfi_blk_list,
5308 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5309 "\t\tBlock %3d: Start %4d, Count %4d\n",
5310 index, rsrc_blks->rsrc_start,
5311 rsrc_blks->rsrc_size);
5315 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5316 "\tRPI extents:\n");
5318 list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_rpi_blk_list,
5320 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5321 "\t\tBlock %3d: Start %4d, Count %4d\n",
5322 index, rsrc_blks->rsrc_start,
5323 rsrc_blks->rsrc_size);
5327 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5328 "\tXRI extents:\n");
5330 list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_xri_blk_list,
5332 len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
5333 "\t\tBlock %3d: Start %4d, Count %4d\n",
5334 index, rsrc_blks->rsrc_start,
5335 rsrc_blks->rsrc_size);
5343 * lpfc_idiag_extacc_write - Syntax check and set up idiag extacc commands
5344 * @file: The file pointer to read from.
5345 * @buf: The buffer to copy the user data from.
5346 * @nbytes: The number of bytes to get.
5347 * @ppos: The position in the file to start reading from.
5349 * This routine get the debugfs idiag command struct from user space and then
5350 * perform the syntax check for extent information access commands and sets
5351 * up the necessary states in the idiag command struct accordingly.
5353 * It returns the @nbytges passing in from debugfs user space when successful.
5354 * In case of error conditions, it returns proper error code back to the user
5358 lpfc_idiag_extacc_write(struct file *file, const char __user *buf,
5359 size_t nbytes, loff_t *ppos)
5361 struct lpfc_debug *debug = file->private_data;
5365 /* This is a user write operation */
5366 debug->op = LPFC_IDIAG_OP_WR;
5368 rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
5372 ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX];
5374 if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD)
5376 if (rc != LPFC_EXT_ACC_CMD_ARG)
5378 if (!(ext_map & LPFC_EXT_ACC_ALL))
5383 /* Clean out command structure on command error out */
5384 memset(&idiag, 0, sizeof(idiag));
5389 * lpfc_idiag_extacc_read - idiag debugfs read access to extent information
5390 * @file: The file pointer to read from.
5391 * @buf: The buffer to copy the data to.
5392 * @nbytes: The number of bytes to read.
5393 * @ppos: The position in the file to start reading from.
5396 * This routine reads data from the proper extent information according to
5397 * the idiag command, and copies to user @buf.
5400 * This function returns the amount of data that was read (this could be less
5401 * than @nbytes if the end of the file was reached) or a negative error value.
5404 lpfc_idiag_extacc_read(struct file *file, char __user *buf, size_t nbytes,
5407 struct lpfc_debug *debug = file->private_data;
5408 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
5413 /* This is a user read operation */
5414 debug->op = LPFC_IDIAG_OP_RD;
5417 debug->buffer = kmalloc(LPFC_EXT_ACC_BUF_SIZE, GFP_KERNEL);
5420 pbuffer = debug->buffer;
5423 if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD)
5426 ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX];
5427 if (ext_map & LPFC_EXT_ACC_AVAIL)
5428 len = lpfc_idiag_extacc_avail_get(phba, pbuffer, len);
5429 if (ext_map & LPFC_EXT_ACC_ALLOC)
5430 len = lpfc_idiag_extacc_alloc_get(phba, pbuffer, len);
5431 if (ext_map & LPFC_EXT_ACC_DRIVR)
5432 len = lpfc_idiag_extacc_drivr_get(phba, pbuffer, len);
5434 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
5437 #undef lpfc_debugfs_op_disc_trc
5438 static const struct file_operations lpfc_debugfs_op_disc_trc = {
5439 .owner = THIS_MODULE,
5440 .open = lpfc_debugfs_disc_trc_open,
5441 .llseek = lpfc_debugfs_lseek,
5442 .read = lpfc_debugfs_read,
5443 .release = lpfc_debugfs_release,
5446 #undef lpfc_debugfs_op_nodelist
5447 static const struct file_operations lpfc_debugfs_op_nodelist = {
5448 .owner = THIS_MODULE,
5449 .open = lpfc_debugfs_nodelist_open,
5450 .llseek = lpfc_debugfs_lseek,
5451 .read = lpfc_debugfs_read,
5452 .release = lpfc_debugfs_release,
5455 #undef lpfc_debugfs_op_multixripools
5456 static const struct file_operations lpfc_debugfs_op_multixripools = {
5457 .owner = THIS_MODULE,
5458 .open = lpfc_debugfs_multixripools_open,
5459 .llseek = lpfc_debugfs_lseek,
5460 .read = lpfc_debugfs_read,
5461 .write = lpfc_debugfs_multixripools_write,
5462 .release = lpfc_debugfs_release,
5465 #undef lpfc_debugfs_op_hbqinfo
5466 static const struct file_operations lpfc_debugfs_op_hbqinfo = {
5467 .owner = THIS_MODULE,
5468 .open = lpfc_debugfs_hbqinfo_open,
5469 .llseek = lpfc_debugfs_lseek,
5470 .read = lpfc_debugfs_read,
5471 .release = lpfc_debugfs_release,
5474 #ifdef LPFC_HDWQ_LOCK_STAT
5475 #undef lpfc_debugfs_op_lockstat
5476 static const struct file_operations lpfc_debugfs_op_lockstat = {
5477 .owner = THIS_MODULE,
5478 .open = lpfc_debugfs_lockstat_open,
5479 .llseek = lpfc_debugfs_lseek,
5480 .read = lpfc_debugfs_read,
5481 .write = lpfc_debugfs_lockstat_write,
5482 .release = lpfc_debugfs_release,
5486 #undef lpfc_debugfs_ras_log
5487 static const struct file_operations lpfc_debugfs_ras_log = {
5488 .owner = THIS_MODULE,
5489 .open = lpfc_debugfs_ras_log_open,
5490 .llseek = lpfc_debugfs_lseek,
5491 .read = lpfc_debugfs_read,
5492 .release = lpfc_debugfs_ras_log_release,
5495 #undef lpfc_debugfs_op_dumpHBASlim
5496 static const struct file_operations lpfc_debugfs_op_dumpHBASlim = {
5497 .owner = THIS_MODULE,
5498 .open = lpfc_debugfs_dumpHBASlim_open,
5499 .llseek = lpfc_debugfs_lseek,
5500 .read = lpfc_debugfs_read,
5501 .release = lpfc_debugfs_release,
5504 #undef lpfc_debugfs_op_dumpHostSlim
5505 static const struct file_operations lpfc_debugfs_op_dumpHostSlim = {
5506 .owner = THIS_MODULE,
5507 .open = lpfc_debugfs_dumpHostSlim_open,
5508 .llseek = lpfc_debugfs_lseek,
5509 .read = lpfc_debugfs_read,
5510 .release = lpfc_debugfs_release,
5513 #undef lpfc_debugfs_op_nvmestat
5514 static const struct file_operations lpfc_debugfs_op_nvmestat = {
5515 .owner = THIS_MODULE,
5516 .open = lpfc_debugfs_nvmestat_open,
5517 .llseek = lpfc_debugfs_lseek,
5518 .read = lpfc_debugfs_read,
5519 .write = lpfc_debugfs_nvmestat_write,
5520 .release = lpfc_debugfs_release,
5523 #undef lpfc_debugfs_op_scsistat
5524 static const struct file_operations lpfc_debugfs_op_scsistat = {
5525 .owner = THIS_MODULE,
5526 .open = lpfc_debugfs_scsistat_open,
5527 .llseek = lpfc_debugfs_lseek,
5528 .read = lpfc_debugfs_read,
5529 .write = lpfc_debugfs_scsistat_write,
5530 .release = lpfc_debugfs_release,
5533 #undef lpfc_debugfs_op_ioktime
5534 static const struct file_operations lpfc_debugfs_op_ioktime = {
5535 .owner = THIS_MODULE,
5536 .open = lpfc_debugfs_ioktime_open,
5537 .llseek = lpfc_debugfs_lseek,
5538 .read = lpfc_debugfs_read,
5539 .write = lpfc_debugfs_ioktime_write,
5540 .release = lpfc_debugfs_release,
5543 #undef lpfc_debugfs_op_nvmeio_trc
5544 static const struct file_operations lpfc_debugfs_op_nvmeio_trc = {
5545 .owner = THIS_MODULE,
5546 .open = lpfc_debugfs_nvmeio_trc_open,
5547 .llseek = lpfc_debugfs_lseek,
5548 .read = lpfc_debugfs_read,
5549 .write = lpfc_debugfs_nvmeio_trc_write,
5550 .release = lpfc_debugfs_release,
5553 #undef lpfc_debugfs_op_hdwqstat
5554 static const struct file_operations lpfc_debugfs_op_hdwqstat = {
5555 .owner = THIS_MODULE,
5556 .open = lpfc_debugfs_hdwqstat_open,
5557 .llseek = lpfc_debugfs_lseek,
5558 .read = lpfc_debugfs_read,
5559 .write = lpfc_debugfs_hdwqstat_write,
5560 .release = lpfc_debugfs_release,
5563 #undef lpfc_debugfs_op_dif_err
5564 static const struct file_operations lpfc_debugfs_op_dif_err = {
5565 .owner = THIS_MODULE,
5566 .open = simple_open,
5567 .llseek = lpfc_debugfs_lseek,
5568 .read = lpfc_debugfs_dif_err_read,
5569 .write = lpfc_debugfs_dif_err_write,
5570 .release = lpfc_debugfs_dif_err_release,
5573 #undef lpfc_debugfs_op_slow_ring_trc
5574 static const struct file_operations lpfc_debugfs_op_slow_ring_trc = {
5575 .owner = THIS_MODULE,
5576 .open = lpfc_debugfs_slow_ring_trc_open,
5577 .llseek = lpfc_debugfs_lseek,
5578 .read = lpfc_debugfs_read,
5579 .release = lpfc_debugfs_release,
5582 static struct dentry *lpfc_debugfs_root = NULL;
5583 static atomic_t lpfc_debugfs_hba_count;
5586 * File operations for the iDiag debugfs
5588 #undef lpfc_idiag_op_pciCfg
5589 static const struct file_operations lpfc_idiag_op_pciCfg = {
5590 .owner = THIS_MODULE,
5591 .open = lpfc_idiag_open,
5592 .llseek = lpfc_debugfs_lseek,
5593 .read = lpfc_idiag_pcicfg_read,
5594 .write = lpfc_idiag_pcicfg_write,
5595 .release = lpfc_idiag_cmd_release,
5598 #undef lpfc_idiag_op_barAcc
5599 static const struct file_operations lpfc_idiag_op_barAcc = {
5600 .owner = THIS_MODULE,
5601 .open = lpfc_idiag_open,
5602 .llseek = lpfc_debugfs_lseek,
5603 .read = lpfc_idiag_baracc_read,
5604 .write = lpfc_idiag_baracc_write,
5605 .release = lpfc_idiag_cmd_release,
5608 #undef lpfc_idiag_op_queInfo
5609 static const struct file_operations lpfc_idiag_op_queInfo = {
5610 .owner = THIS_MODULE,
5611 .open = lpfc_idiag_open,
5612 .read = lpfc_idiag_queinfo_read,
5613 .release = lpfc_idiag_release,
5616 #undef lpfc_idiag_op_queAcc
5617 static const struct file_operations lpfc_idiag_op_queAcc = {
5618 .owner = THIS_MODULE,
5619 .open = lpfc_idiag_open,
5620 .llseek = lpfc_debugfs_lseek,
5621 .read = lpfc_idiag_queacc_read,
5622 .write = lpfc_idiag_queacc_write,
5623 .release = lpfc_idiag_cmd_release,
5626 #undef lpfc_idiag_op_drbAcc
5627 static const struct file_operations lpfc_idiag_op_drbAcc = {
5628 .owner = THIS_MODULE,
5629 .open = lpfc_idiag_open,
5630 .llseek = lpfc_debugfs_lseek,
5631 .read = lpfc_idiag_drbacc_read,
5632 .write = lpfc_idiag_drbacc_write,
5633 .release = lpfc_idiag_cmd_release,
5636 #undef lpfc_idiag_op_ctlAcc
5637 static const struct file_operations lpfc_idiag_op_ctlAcc = {
5638 .owner = THIS_MODULE,
5639 .open = lpfc_idiag_open,
5640 .llseek = lpfc_debugfs_lseek,
5641 .read = lpfc_idiag_ctlacc_read,
5642 .write = lpfc_idiag_ctlacc_write,
5643 .release = lpfc_idiag_cmd_release,
5646 #undef lpfc_idiag_op_mbxAcc
5647 static const struct file_operations lpfc_idiag_op_mbxAcc = {
5648 .owner = THIS_MODULE,
5649 .open = lpfc_idiag_open,
5650 .llseek = lpfc_debugfs_lseek,
5651 .read = lpfc_idiag_mbxacc_read,
5652 .write = lpfc_idiag_mbxacc_write,
5653 .release = lpfc_idiag_cmd_release,
5656 #undef lpfc_idiag_op_extAcc
5657 static const struct file_operations lpfc_idiag_op_extAcc = {
5658 .owner = THIS_MODULE,
5659 .open = lpfc_idiag_open,
5660 .llseek = lpfc_debugfs_lseek,
5661 .read = lpfc_idiag_extacc_read,
5662 .write = lpfc_idiag_extacc_write,
5663 .release = lpfc_idiag_cmd_release,
5667 /* lpfc_idiag_mbxacc_dump_bsg_mbox - idiag debugfs dump bsg mailbox command
5668 * @phba: Pointer to HBA context object.
5669 * @dmabuf: Pointer to a DMA buffer descriptor.
5672 * This routine dump a bsg pass-through non-embedded mailbox command with
5676 lpfc_idiag_mbxacc_dump_bsg_mbox(struct lpfc_hba *phba, enum nemb_type nemb_tp,
5677 enum mbox_type mbox_tp, enum dma_type dma_tp,
5678 enum sta_type sta_tp,
5679 struct lpfc_dmabuf *dmabuf, uint32_t ext_buf)
5681 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
5682 uint32_t *mbx_mbox_cmd, *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt;
5683 char line_buf[LPFC_MBX_ACC_LBUF_SZ];
5685 uint32_t do_dump = 0;
5689 if (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP)
5692 mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
5693 mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
5694 mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
5695 mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
5697 if (!(*mbx_dump_map & LPFC_MBX_DMP_ALL) ||
5698 (*mbx_dump_cnt == 0) ||
5699 (*mbx_word_cnt == 0))
5702 if (*mbx_mbox_cmd != 0x9B)
5705 if ((mbox_tp == mbox_rd) && (dma_tp == dma_mbox)) {
5706 if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_MBX) {
5707 do_dump |= LPFC_BSG_DMP_MBX_RD_MBX;
5708 pr_err("\nRead mbox command (x%x), "
5709 "nemb:0x%x, extbuf_cnt:%d:\n",
5710 sta_tp, nemb_tp, ext_buf);
5713 if ((mbox_tp == mbox_rd) && (dma_tp == dma_ebuf)) {
5714 if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_BUF) {
5715 do_dump |= LPFC_BSG_DMP_MBX_RD_BUF;
5716 pr_err("\nRead mbox buffer (x%x), "
5717 "nemb:0x%x, extbuf_seq:%d:\n",
5718 sta_tp, nemb_tp, ext_buf);
5721 if ((mbox_tp == mbox_wr) && (dma_tp == dma_mbox)) {
5722 if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_MBX) {
5723 do_dump |= LPFC_BSG_DMP_MBX_WR_MBX;
5724 pr_err("\nWrite mbox command (x%x), "
5725 "nemb:0x%x, extbuf_cnt:%d:\n",
5726 sta_tp, nemb_tp, ext_buf);
5729 if ((mbox_tp == mbox_wr) && (dma_tp == dma_ebuf)) {
5730 if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_BUF) {
5731 do_dump |= LPFC_BSG_DMP_MBX_WR_BUF;
5732 pr_err("\nWrite mbox buffer (x%x), "
5733 "nemb:0x%x, extbuf_seq:%d:\n",
5734 sta_tp, nemb_tp, ext_buf);
5738 /* dump buffer content */
5740 pword = (uint32_t *)dmabuf->virt;
5741 for (i = 0; i < *mbx_word_cnt; i++) {
5744 pr_err("%s\n", line_buf);
5746 len += scnprintf(line_buf+len,
5747 LPFC_MBX_ACC_LBUF_SZ-len,
5750 len += scnprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len,
5751 "%08x ", (uint32_t)*pword);
5755 pr_err("%s\n", line_buf);
5759 /* Clean out command structure on reaching dump count */
5760 if (*mbx_dump_cnt == 0)
5761 memset(&idiag, 0, sizeof(idiag));
5766 /* lpfc_idiag_mbxacc_dump_issue_mbox - idiag debugfs dump issue mailbox command
5767 * @phba: Pointer to HBA context object.
5768 * @dmabuf: Pointer to a DMA buffer descriptor.
5771 * This routine dump a pass-through non-embedded mailbox command from issue
5775 lpfc_idiag_mbxacc_dump_issue_mbox(struct lpfc_hba *phba, MAILBOX_t *pmbox)
5777 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
5778 uint32_t *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt, *mbx_mbox_cmd;
5779 char line_buf[LPFC_MBX_ACC_LBUF_SZ];
5785 if (idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP)
5788 mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
5789 mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
5790 mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
5791 mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
5793 if (!(*mbx_dump_map & LPFC_MBX_DMP_MBX_ALL) ||
5794 (*mbx_dump_cnt == 0) ||
5795 (*mbx_word_cnt == 0))
5798 if ((*mbx_mbox_cmd != LPFC_MBX_ALL_CMD) &&
5799 (*mbx_mbox_cmd != pmbox->mbxCommand))
5802 /* dump buffer content */
5803 if (*mbx_dump_map & LPFC_MBX_DMP_MBX_WORD) {
5804 pr_err("Mailbox command:0x%x dump by word:\n",
5806 pword = (uint32_t *)pmbox;
5807 for (i = 0; i < *mbx_word_cnt; i++) {
5810 pr_err("%s\n", line_buf);
5812 memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ);
5813 len += scnprintf(line_buf+len,
5814 LPFC_MBX_ACC_LBUF_SZ-len,
5817 len += scnprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len,
5819 ((uint32_t)*pword) & 0xffffffff);
5823 pr_err("%s\n", line_buf);
5826 if (*mbx_dump_map & LPFC_MBX_DMP_MBX_BYTE) {
5827 pr_err("Mailbox command:0x%x dump by byte:\n",
5829 pbyte = (uint8_t *)pmbox;
5830 for (i = 0; i < *mbx_word_cnt; i++) {
5833 pr_err("%s\n", line_buf);
5835 memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ);
5836 len += scnprintf(line_buf+len,
5837 LPFC_MBX_ACC_LBUF_SZ-len,
5840 for (j = 0; j < 4; j++) {
5841 len += scnprintf(line_buf+len,
5842 LPFC_MBX_ACC_LBUF_SZ-len,
5844 ((uint8_t)*pbyte) & 0xff);
5847 len += scnprintf(line_buf+len,
5848 LPFC_MBX_ACC_LBUF_SZ-len, " ");
5851 pr_err("%s\n", line_buf);
5856 /* Clean out command structure on reaching dump count */
5857 if (*mbx_dump_cnt == 0)
5858 memset(&idiag, 0, sizeof(idiag));
5864 * lpfc_debugfs_initialize - Initialize debugfs for a vport
5865 * @vport: The vport pointer to initialize.
5868 * When Debugfs is configured this routine sets up the lpfc debugfs file system.
5869 * If not already created, this routine will create the lpfc directory, and
5870 * lpfcX directory (for this HBA), and vportX directory for this vport. It will
5871 * also create each file used to access lpfc specific debugfs information.
5874 lpfc_debugfs_initialize(struct lpfc_vport *vport)
5876 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
5877 struct lpfc_hba *phba = vport->phba;
5880 bool pport_setup = false;
5882 if (!lpfc_debugfs_enable)
5885 /* Setup lpfc root directory */
5886 if (!lpfc_debugfs_root) {
5887 lpfc_debugfs_root = debugfs_create_dir("lpfc", NULL);
5888 atomic_set(&lpfc_debugfs_hba_count, 0);
5890 if (!lpfc_debugfs_start_time)
5891 lpfc_debugfs_start_time = jiffies;
5893 /* Setup funcX directory for specific HBA PCI function */
5894 snprintf(name, sizeof(name), "fn%d", phba->brd_no);
5895 if (!phba->hba_debugfs_root) {
5897 phba->hba_debugfs_root =
5898 debugfs_create_dir(name, lpfc_debugfs_root);
5899 atomic_inc(&lpfc_debugfs_hba_count);
5900 atomic_set(&phba->debugfs_vport_count, 0);
5902 /* Multi-XRI pools */
5903 snprintf(name, sizeof(name), "multixripools");
5904 phba->debug_multixri_pools =
5905 debugfs_create_file(name, S_IFREG | 0644,
5906 phba->hba_debugfs_root,
5908 &lpfc_debugfs_op_multixripools);
5909 if (!phba->debug_multixri_pools) {
5910 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5911 "0527 Cannot create debugfs multixripools\n");
5916 snprintf(name, sizeof(name), "ras_log");
5917 phba->debug_ras_log =
5918 debugfs_create_file(name, 0644,
5919 phba->hba_debugfs_root,
5920 phba, &lpfc_debugfs_ras_log);
5921 if (!phba->debug_ras_log) {
5922 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5923 "6148 Cannot create debugfs"
5929 snprintf(name, sizeof(name), "hbqinfo");
5930 phba->debug_hbqinfo =
5931 debugfs_create_file(name, S_IFREG | 0644,
5932 phba->hba_debugfs_root,
5933 phba, &lpfc_debugfs_op_hbqinfo);
5935 #ifdef LPFC_HDWQ_LOCK_STAT
5936 /* Setup lockstat */
5937 snprintf(name, sizeof(name), "lockstat");
5938 phba->debug_lockstat =
5939 debugfs_create_file(name, S_IFREG | 0644,
5940 phba->hba_debugfs_root,
5941 phba, &lpfc_debugfs_op_lockstat);
5942 if (!phba->debug_lockstat) {
5943 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5944 "4610 Can't create debugfs lockstat\n");
5949 /* Setup dumpHBASlim */
5950 if (phba->sli_rev < LPFC_SLI_REV4) {
5951 snprintf(name, sizeof(name), "dumpHBASlim");
5952 phba->debug_dumpHBASlim =
5953 debugfs_create_file(name,
5954 S_IFREG|S_IRUGO|S_IWUSR,
5955 phba->hba_debugfs_root,
5956 phba, &lpfc_debugfs_op_dumpHBASlim);
5958 phba->debug_dumpHBASlim = NULL;
5960 /* Setup dumpHostSlim */
5961 if (phba->sli_rev < LPFC_SLI_REV4) {
5962 snprintf(name, sizeof(name), "dumpHostSlim");
5963 phba->debug_dumpHostSlim =
5964 debugfs_create_file(name,
5965 S_IFREG|S_IRUGO|S_IWUSR,
5966 phba->hba_debugfs_root,
5967 phba, &lpfc_debugfs_op_dumpHostSlim);
5969 phba->debug_dumpHostSlim = NULL;
5971 /* Setup DIF Error Injections */
5972 snprintf(name, sizeof(name), "InjErrLBA");
5973 phba->debug_InjErrLBA =
5974 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5975 phba->hba_debugfs_root,
5976 phba, &lpfc_debugfs_op_dif_err);
5977 phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
5979 snprintf(name, sizeof(name), "InjErrNPortID");
5980 phba->debug_InjErrNPortID =
5981 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5982 phba->hba_debugfs_root,
5983 phba, &lpfc_debugfs_op_dif_err);
5985 snprintf(name, sizeof(name), "InjErrWWPN");
5986 phba->debug_InjErrWWPN =
5987 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5988 phba->hba_debugfs_root,
5989 phba, &lpfc_debugfs_op_dif_err);
5991 snprintf(name, sizeof(name), "writeGuardInjErr");
5992 phba->debug_writeGuard =
5993 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5994 phba->hba_debugfs_root,
5995 phba, &lpfc_debugfs_op_dif_err);
5997 snprintf(name, sizeof(name), "writeAppInjErr");
5998 phba->debug_writeApp =
5999 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
6000 phba->hba_debugfs_root,
6001 phba, &lpfc_debugfs_op_dif_err);
6003 snprintf(name, sizeof(name), "writeRefInjErr");
6004 phba->debug_writeRef =
6005 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
6006 phba->hba_debugfs_root,
6007 phba, &lpfc_debugfs_op_dif_err);
6009 snprintf(name, sizeof(name), "readGuardInjErr");
6010 phba->debug_readGuard =
6011 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
6012 phba->hba_debugfs_root,
6013 phba, &lpfc_debugfs_op_dif_err);
6015 snprintf(name, sizeof(name), "readAppInjErr");
6016 phba->debug_readApp =
6017 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
6018 phba->hba_debugfs_root,
6019 phba, &lpfc_debugfs_op_dif_err);
6021 snprintf(name, sizeof(name), "readRefInjErr");
6022 phba->debug_readRef =
6023 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
6024 phba->hba_debugfs_root,
6025 phba, &lpfc_debugfs_op_dif_err);
6027 /* Setup slow ring trace */
6028 if (lpfc_debugfs_max_slow_ring_trc) {
6029 num = lpfc_debugfs_max_slow_ring_trc - 1;
6030 if (num & lpfc_debugfs_max_slow_ring_trc) {
6031 /* Change to be a power of 2 */
6032 num = lpfc_debugfs_max_slow_ring_trc;
6038 lpfc_debugfs_max_slow_ring_trc = (1 << i);
6039 pr_err("lpfc_debugfs_max_disc_trc changed to "
6040 "%d\n", lpfc_debugfs_max_disc_trc);
6044 snprintf(name, sizeof(name), "slow_ring_trace");
6045 phba->debug_slow_ring_trc =
6046 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
6047 phba->hba_debugfs_root,
6048 phba, &lpfc_debugfs_op_slow_ring_trc);
6049 if (!phba->slow_ring_trc) {
6050 phba->slow_ring_trc = kmalloc(
6051 (sizeof(struct lpfc_debugfs_trc) *
6052 lpfc_debugfs_max_slow_ring_trc),
6054 if (!phba->slow_ring_trc) {
6055 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
6056 "0416 Cannot create debugfs "
6057 "slow_ring buffer\n");
6060 atomic_set(&phba->slow_ring_trc_cnt, 0);
6061 memset(phba->slow_ring_trc, 0,
6062 (sizeof(struct lpfc_debugfs_trc) *
6063 lpfc_debugfs_max_slow_ring_trc));
6066 snprintf(name, sizeof(name), "nvmeio_trc");
6067 phba->debug_nvmeio_trc =
6068 debugfs_create_file(name, 0644,
6069 phba->hba_debugfs_root,
6070 phba, &lpfc_debugfs_op_nvmeio_trc);
6072 atomic_set(&phba->nvmeio_trc_cnt, 0);
6073 if (lpfc_debugfs_max_nvmeio_trc) {
6074 num = lpfc_debugfs_max_nvmeio_trc - 1;
6075 if (num & lpfc_debugfs_max_disc_trc) {
6076 /* Change to be a power of 2 */
6077 num = lpfc_debugfs_max_nvmeio_trc;
6083 lpfc_debugfs_max_nvmeio_trc = (1 << i);
6084 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6085 "0575 lpfc_debugfs_max_nvmeio_trc "
6087 lpfc_debugfs_max_nvmeio_trc);
6089 phba->nvmeio_trc_size = lpfc_debugfs_max_nvmeio_trc;
6091 /* Allocate trace buffer and initialize */
6092 phba->nvmeio_trc = kzalloc(
6093 (sizeof(struct lpfc_debugfs_nvmeio_trc) *
6094 phba->nvmeio_trc_size), GFP_KERNEL);
6096 if (!phba->nvmeio_trc) {
6097 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6098 "0576 Cannot create debugfs "
6099 "nvmeio_trc buffer\n");
6102 phba->nvmeio_trc_on = 1;
6103 phba->nvmeio_trc_output_idx = 0;
6104 phba->nvmeio_trc = NULL;
6107 phba->nvmeio_trc_size = 0;
6108 phba->nvmeio_trc_on = 0;
6109 phba->nvmeio_trc_output_idx = 0;
6110 phba->nvmeio_trc = NULL;
6114 snprintf(name, sizeof(name), "vport%d", vport->vpi);
6115 if (!vport->vport_debugfs_root) {
6116 vport->vport_debugfs_root =
6117 debugfs_create_dir(name, phba->hba_debugfs_root);
6118 atomic_inc(&phba->debugfs_vport_count);
6121 if (lpfc_debugfs_max_disc_trc) {
6122 num = lpfc_debugfs_max_disc_trc - 1;
6123 if (num & lpfc_debugfs_max_disc_trc) {
6124 /* Change to be a power of 2 */
6125 num = lpfc_debugfs_max_disc_trc;
6131 lpfc_debugfs_max_disc_trc = (1 << i);
6132 pr_err("lpfc_debugfs_max_disc_trc changed to %d\n",
6133 lpfc_debugfs_max_disc_trc);
6137 vport->disc_trc = kzalloc(
6138 (sizeof(struct lpfc_debugfs_trc) * lpfc_debugfs_max_disc_trc),
6141 if (!vport->disc_trc) {
6142 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
6143 "0418 Cannot create debugfs disc trace "
6147 atomic_set(&vport->disc_trc_cnt, 0);
6149 snprintf(name, sizeof(name), "discovery_trace");
6150 vport->debug_disc_trc =
6151 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
6152 vport->vport_debugfs_root,
6153 vport, &lpfc_debugfs_op_disc_trc);
6154 snprintf(name, sizeof(name), "nodelist");
6155 vport->debug_nodelist =
6156 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
6157 vport->vport_debugfs_root,
6158 vport, &lpfc_debugfs_op_nodelist);
6160 snprintf(name, sizeof(name), "nvmestat");
6161 vport->debug_nvmestat =
6162 debugfs_create_file(name, 0644,
6163 vport->vport_debugfs_root,
6164 vport, &lpfc_debugfs_op_nvmestat);
6166 snprintf(name, sizeof(name), "scsistat");
6167 vport->debug_scsistat =
6168 debugfs_create_file(name, 0644,
6169 vport->vport_debugfs_root,
6170 vport, &lpfc_debugfs_op_scsistat);
6171 if (!vport->debug_scsistat) {
6172 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
6173 "4611 Cannot create debugfs scsistat\n");
6177 snprintf(name, sizeof(name), "ioktime");
6178 vport->debug_ioktime =
6179 debugfs_create_file(name, 0644,
6180 vport->vport_debugfs_root,
6181 vport, &lpfc_debugfs_op_ioktime);
6182 if (!vport->debug_ioktime) {
6183 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
6184 "0815 Cannot create debugfs ioktime\n");
6188 snprintf(name, sizeof(name), "hdwqstat");
6189 vport->debug_hdwqstat =
6190 debugfs_create_file(name, 0644,
6191 vport->vport_debugfs_root,
6192 vport, &lpfc_debugfs_op_hdwqstat);
6195 * The following section is for additional directories/files for the
6203 * iDiag debugfs root entry points for SLI4 device only
6205 if (phba->sli_rev < LPFC_SLI_REV4)
6208 snprintf(name, sizeof(name), "iDiag");
6209 if (!phba->idiag_root) {
6211 debugfs_create_dir(name, phba->hba_debugfs_root);
6212 /* Initialize iDiag data structure */
6213 memset(&idiag, 0, sizeof(idiag));
6216 /* iDiag read PCI config space */
6217 snprintf(name, sizeof(name), "pciCfg");
6218 if (!phba->idiag_pci_cfg) {
6219 phba->idiag_pci_cfg =
6220 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
6221 phba->idiag_root, phba, &lpfc_idiag_op_pciCfg);
6222 idiag.offset.last_rd = 0;
6225 /* iDiag PCI BAR access */
6226 snprintf(name, sizeof(name), "barAcc");
6227 if (!phba->idiag_bar_acc) {
6228 phba->idiag_bar_acc =
6229 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
6230 phba->idiag_root, phba, &lpfc_idiag_op_barAcc);
6231 idiag.offset.last_rd = 0;
6234 /* iDiag get PCI function queue information */
6235 snprintf(name, sizeof(name), "queInfo");
6236 if (!phba->idiag_que_info) {
6237 phba->idiag_que_info =
6238 debugfs_create_file(name, S_IFREG|S_IRUGO,
6239 phba->idiag_root, phba, &lpfc_idiag_op_queInfo);
6242 /* iDiag access PCI function queue */
6243 snprintf(name, sizeof(name), "queAcc");
6244 if (!phba->idiag_que_acc) {
6245 phba->idiag_que_acc =
6246 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
6247 phba->idiag_root, phba, &lpfc_idiag_op_queAcc);
6250 /* iDiag access PCI function doorbell registers */
6251 snprintf(name, sizeof(name), "drbAcc");
6252 if (!phba->idiag_drb_acc) {
6253 phba->idiag_drb_acc =
6254 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
6255 phba->idiag_root, phba, &lpfc_idiag_op_drbAcc);
6258 /* iDiag access PCI function control registers */
6259 snprintf(name, sizeof(name), "ctlAcc");
6260 if (!phba->idiag_ctl_acc) {
6261 phba->idiag_ctl_acc =
6262 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
6263 phba->idiag_root, phba, &lpfc_idiag_op_ctlAcc);
6266 /* iDiag access mbox commands */
6267 snprintf(name, sizeof(name), "mbxAcc");
6268 if (!phba->idiag_mbx_acc) {
6269 phba->idiag_mbx_acc =
6270 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
6271 phba->idiag_root, phba, &lpfc_idiag_op_mbxAcc);
6274 /* iDiag extents access commands */
6275 if (phba->sli4_hba.extents_in_use) {
6276 snprintf(name, sizeof(name), "extAcc");
6277 if (!phba->idiag_ext_acc) {
6278 phba->idiag_ext_acc =
6279 debugfs_create_file(name,
6280 S_IFREG|S_IRUGO|S_IWUSR,
6281 phba->idiag_root, phba,
6282 &lpfc_idiag_op_extAcc);
6292 * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport
6293 * @vport: The vport pointer to remove from debugfs.
6296 * When Debugfs is configured this routine removes debugfs file system elements
6297 * that are specific to this vport. It also checks to see if there are any
6298 * users left for the debugfs directories associated with the HBA and driver. If
6299 * this is the last user of the HBA directory or driver directory then it will
6300 * remove those from the debugfs infrastructure as well.
6303 lpfc_debugfs_terminate(struct lpfc_vport *vport)
6305 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
6306 struct lpfc_hba *phba = vport->phba;
6308 kfree(vport->disc_trc);
6309 vport->disc_trc = NULL;
6311 debugfs_remove(vport->debug_disc_trc); /* discovery_trace */
6312 vport->debug_disc_trc = NULL;
6314 debugfs_remove(vport->debug_nodelist); /* nodelist */
6315 vport->debug_nodelist = NULL;
6317 debugfs_remove(vport->debug_nvmestat); /* nvmestat */
6318 vport->debug_nvmestat = NULL;
6320 debugfs_remove(vport->debug_scsistat); /* scsistat */
6321 vport->debug_scsistat = NULL;
6323 debugfs_remove(vport->debug_ioktime); /* ioktime */
6324 vport->debug_ioktime = NULL;
6326 debugfs_remove(vport->debug_hdwqstat); /* hdwqstat */
6327 vport->debug_hdwqstat = NULL;
6329 if (vport->vport_debugfs_root) {
6330 debugfs_remove(vport->vport_debugfs_root); /* vportX */
6331 vport->vport_debugfs_root = NULL;
6332 atomic_dec(&phba->debugfs_vport_count);
6335 if (atomic_read(&phba->debugfs_vport_count) == 0) {
6337 debugfs_remove(phba->debug_multixri_pools); /* multixripools*/
6338 phba->debug_multixri_pools = NULL;
6340 debugfs_remove(phba->debug_hbqinfo); /* hbqinfo */
6341 phba->debug_hbqinfo = NULL;
6343 debugfs_remove(phba->debug_ras_log);
6344 phba->debug_ras_log = NULL;
6346 #ifdef LPFC_HDWQ_LOCK_STAT
6347 debugfs_remove(phba->debug_lockstat); /* lockstat */
6348 phba->debug_lockstat = NULL;
6350 debugfs_remove(phba->debug_dumpHBASlim); /* HBASlim */
6351 phba->debug_dumpHBASlim = NULL;
6353 debugfs_remove(phba->debug_dumpHostSlim); /* HostSlim */
6354 phba->debug_dumpHostSlim = NULL;
6356 debugfs_remove(phba->debug_InjErrLBA); /* InjErrLBA */
6357 phba->debug_InjErrLBA = NULL;
6359 debugfs_remove(phba->debug_InjErrNPortID);
6360 phba->debug_InjErrNPortID = NULL;
6362 debugfs_remove(phba->debug_InjErrWWPN); /* InjErrWWPN */
6363 phba->debug_InjErrWWPN = NULL;
6365 debugfs_remove(phba->debug_writeGuard); /* writeGuard */
6366 phba->debug_writeGuard = NULL;
6368 debugfs_remove(phba->debug_writeApp); /* writeApp */
6369 phba->debug_writeApp = NULL;
6371 debugfs_remove(phba->debug_writeRef); /* writeRef */
6372 phba->debug_writeRef = NULL;
6374 debugfs_remove(phba->debug_readGuard); /* readGuard */
6375 phba->debug_readGuard = NULL;
6377 debugfs_remove(phba->debug_readApp); /* readApp */
6378 phba->debug_readApp = NULL;
6380 debugfs_remove(phba->debug_readRef); /* readRef */
6381 phba->debug_readRef = NULL;
6383 kfree(phba->slow_ring_trc);
6384 phba->slow_ring_trc = NULL;
6386 /* slow_ring_trace */
6387 debugfs_remove(phba->debug_slow_ring_trc);
6388 phba->debug_slow_ring_trc = NULL;
6390 debugfs_remove(phba->debug_nvmeio_trc);
6391 phba->debug_nvmeio_trc = NULL;
6393 kfree(phba->nvmeio_trc);
6394 phba->nvmeio_trc = NULL;
6399 if (phba->sli_rev == LPFC_SLI_REV4) {
6401 debugfs_remove(phba->idiag_ext_acc);
6402 phba->idiag_ext_acc = NULL;
6405 debugfs_remove(phba->idiag_mbx_acc);
6406 phba->idiag_mbx_acc = NULL;
6409 debugfs_remove(phba->idiag_ctl_acc);
6410 phba->idiag_ctl_acc = NULL;
6413 debugfs_remove(phba->idiag_drb_acc);
6414 phba->idiag_drb_acc = NULL;
6417 debugfs_remove(phba->idiag_que_acc);
6418 phba->idiag_que_acc = NULL;
6421 debugfs_remove(phba->idiag_que_info);
6422 phba->idiag_que_info = NULL;
6425 debugfs_remove(phba->idiag_bar_acc);
6426 phba->idiag_bar_acc = NULL;
6429 debugfs_remove(phba->idiag_pci_cfg);
6430 phba->idiag_pci_cfg = NULL;
6432 /* Finally remove the iDiag debugfs root */
6433 debugfs_remove(phba->idiag_root);
6434 phba->idiag_root = NULL;
6437 if (phba->hba_debugfs_root) {
6438 debugfs_remove(phba->hba_debugfs_root); /* fnX */
6439 phba->hba_debugfs_root = NULL;
6440 atomic_dec(&lpfc_debugfs_hba_count);
6443 if (atomic_read(&lpfc_debugfs_hba_count) == 0) {
6444 debugfs_remove(lpfc_debugfs_root); /* lpfc */
6445 lpfc_debugfs_root = NULL;
6453 * Driver debug utility routines outside of debugfs. The debug utility
6454 * routines implemented here is intended to be used in the instrumented
6455 * debug driver for debugging host or port issues.
6459 * lpfc_debug_dump_all_queues - dump all the queues with a hba
6460 * @phba: Pointer to HBA context object.
6462 * This function dumps entries of all the queues asociated with the @phba.
6465 lpfc_debug_dump_all_queues(struct lpfc_hba *phba)
6470 * Dump Work Queues (WQs)
6472 lpfc_debug_dump_wq(phba, DUMP_MBX, 0);
6473 lpfc_debug_dump_wq(phba, DUMP_ELS, 0);
6474 lpfc_debug_dump_wq(phba, DUMP_NVMELS, 0);
6476 for (idx = 0; idx < phba->cfg_hdw_queue; idx++)
6477 lpfc_debug_dump_wq(phba, DUMP_IO, idx);
6479 lpfc_debug_dump_hdr_rq(phba);
6480 lpfc_debug_dump_dat_rq(phba);
6482 * Dump Complete Queues (CQs)
6484 lpfc_debug_dump_cq(phba, DUMP_MBX, 0);
6485 lpfc_debug_dump_cq(phba, DUMP_ELS, 0);
6486 lpfc_debug_dump_cq(phba, DUMP_NVMELS, 0);
6488 for (idx = 0; idx < phba->cfg_hdw_queue; idx++)
6489 lpfc_debug_dump_cq(phba, DUMP_IO, idx);
6492 * Dump Event Queues (EQs)
6494 for (idx = 0; idx < phba->cfg_hdw_queue; idx++)
6495 lpfc_debug_dump_hba_eq(phba, idx);