1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017 Broadcom. All Rights Reserved. The term *
5 * “Broadcom” refers to Broadcom Limited 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>
35 #include <scsi/scsi.h>
36 #include <scsi/scsi_device.h>
37 #include <scsi/scsi_host.h>
38 #include <scsi/scsi_transport_fc.h>
39 #include <scsi/fc/fc_fs.h>
41 #include <linux/nvme-fc-driver.h>
46 #include "lpfc_sli4.h"
48 #include "lpfc_disc.h"
50 #include "lpfc_scsi.h"
51 #include "lpfc_nvme.h"
52 #include "lpfc_nvmet.h"
53 #include "lpfc_logmsg.h"
54 #include "lpfc_crtn.h"
55 #include "lpfc_vport.h"
56 #include "lpfc_version.h"
57 #include "lpfc_compat.h"
58 #include "lpfc_debugfs.h"
61 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
65 * To access this interface the user should:
66 * # mount -t debugfs none /sys/kernel/debug
68 * The lpfc debugfs directory hierarchy is:
69 * /sys/kernel/debug/lpfc/fnX/vportY
70 * where X is the lpfc hba function unique_id
71 * where Y is the vport VPI on that hba
73 * Debugging services available per vport:
75 * This is an ACSII readable file that contains a trace of the last
76 * lpfc_debugfs_max_disc_trc events that happened on a specific vport.
77 * See lpfc_debugfs.h for different categories of discovery events.
78 * To enable the discovery trace, the following module parameters must be set:
79 * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support
80 * lpfc_debugfs_max_disc_trc=X Where X is the event trace depth for
81 * EACH vport. X MUST also be a power of 2.
82 * lpfc_debugfs_mask_disc_trc=Y Where Y is an event mask as defined in
86 * This is an ACSII readable file that contains a trace of the last
87 * lpfc_debugfs_max_slow_ring_trc events that happened on a specific HBA.
88 * To enable the slow ring trace, the following module parameters must be set:
89 * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support
90 * lpfc_debugfs_max_slow_ring_trc=X Where X is the event trace depth for
91 * the HBA. X MUST also be a power of 2.
93 static int lpfc_debugfs_enable = 1;
94 module_param(lpfc_debugfs_enable, int, S_IRUGO);
95 MODULE_PARM_DESC(lpfc_debugfs_enable, "Enable debugfs services");
97 /* This MUST be a power of 2 */
98 static int lpfc_debugfs_max_disc_trc;
99 module_param(lpfc_debugfs_max_disc_trc, int, S_IRUGO);
100 MODULE_PARM_DESC(lpfc_debugfs_max_disc_trc,
101 "Set debugfs discovery trace depth");
103 /* This MUST be a power of 2 */
104 static int lpfc_debugfs_max_slow_ring_trc;
105 module_param(lpfc_debugfs_max_slow_ring_trc, int, S_IRUGO);
106 MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc,
107 "Set debugfs slow ring trace depth");
109 /* This MUST be a power of 2 */
110 static int lpfc_debugfs_max_nvmeio_trc;
111 module_param(lpfc_debugfs_max_nvmeio_trc, int, 0444);
112 MODULE_PARM_DESC(lpfc_debugfs_max_nvmeio_trc,
113 "Set debugfs NVME IO trace depth");
115 static int lpfc_debugfs_mask_disc_trc;
116 module_param(lpfc_debugfs_mask_disc_trc, int, S_IRUGO);
117 MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc,
118 "Set debugfs discovery trace mask");
120 #include <linux/debugfs.h>
122 static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0);
123 static unsigned long lpfc_debugfs_start_time = 0L;
126 static struct lpfc_idiag idiag;
129 * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer
130 * @vport: The vport to gather the log info from.
131 * @buf: The buffer to dump log into.
132 * @size: The maximum amount of data to process.
135 * This routine gathers the lpfc discovery debugfs data from the @vport and
136 * dumps it to @buf up to @size number of bytes. It will start at the next entry
137 * in the log and process the log until the end of the buffer. Then it will
138 * gather from the beginning of the log and process until the current entry.
141 * Discovery logging will be disabled while while this routine dumps the log.
144 * This routine returns the amount of bytes that were dumped into @buf and will
148 lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size)
150 int i, index, len, enable;
152 struct lpfc_debugfs_trc *dtp;
155 buffer = kmalloc(LPFC_DEBUG_TRC_ENTRY_SIZE, GFP_KERNEL);
159 enable = lpfc_debugfs_enable;
160 lpfc_debugfs_enable = 0;
163 index = (atomic_read(&vport->disc_trc_cnt) + 1) &
164 (lpfc_debugfs_max_disc_trc - 1);
165 for (i = index; i < lpfc_debugfs_max_disc_trc; i++) {
166 dtp = vport->disc_trc + i;
169 ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
171 LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
172 dtp->seq_cnt, ms, dtp->fmt);
173 len += snprintf(buf+len, size-len, buffer,
174 dtp->data1, dtp->data2, dtp->data3);
176 for (i = 0; i < index; i++) {
177 dtp = vport->disc_trc + i;
180 ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
182 LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
183 dtp->seq_cnt, ms, dtp->fmt);
184 len += snprintf(buf+len, size-len, buffer,
185 dtp->data1, dtp->data2, dtp->data3);
188 lpfc_debugfs_enable = enable;
195 * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer
196 * @phba: The HBA to gather the log info from.
197 * @buf: The buffer to dump log into.
198 * @size: The maximum amount of data to process.
201 * This routine gathers the lpfc slow ring debugfs data from the @phba and
202 * dumps it to @buf up to @size number of bytes. It will start at the next entry
203 * in the log and process the log until the end of the buffer. Then it will
204 * gather from the beginning of the log and process until the current entry.
207 * Slow ring logging will be disabled while while this routine dumps the log.
210 * This routine returns the amount of bytes that were dumped into @buf and will
214 lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size)
216 int i, index, len, enable;
218 struct lpfc_debugfs_trc *dtp;
221 buffer = kmalloc(LPFC_DEBUG_TRC_ENTRY_SIZE, GFP_KERNEL);
225 enable = lpfc_debugfs_enable;
226 lpfc_debugfs_enable = 0;
229 index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) &
230 (lpfc_debugfs_max_slow_ring_trc - 1);
231 for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) {
232 dtp = phba->slow_ring_trc + i;
235 ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
237 LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
238 dtp->seq_cnt, ms, dtp->fmt);
239 len += snprintf(buf+len, size-len, buffer,
240 dtp->data1, dtp->data2, dtp->data3);
242 for (i = 0; i < index; i++) {
243 dtp = phba->slow_ring_trc + i;
246 ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
248 LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
249 dtp->seq_cnt, ms, dtp->fmt);
250 len += snprintf(buf+len, size-len, buffer,
251 dtp->data1, dtp->data2, dtp->data3);
254 lpfc_debugfs_enable = enable;
260 static int lpfc_debugfs_last_hbq = -1;
263 * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer
264 * @phba: The HBA to gather host buffer info from.
265 * @buf: The buffer to dump log into.
266 * @size: The maximum amount of data to process.
269 * This routine dumps the host buffer queue info from the @phba to @buf up to
270 * @size number of bytes. A header that describes the current hbq state will be
271 * dumped to @buf first and then info on each hbq entry will be dumped to @buf
272 * until @size bytes have been dumped or all the hbq info has been dumped.
275 * This routine will rotate through each configured HBQ each time called.
278 * This routine returns the amount of bytes that were dumped into @buf and will
282 lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size)
285 int i, j, found, posted, low;
286 uint32_t phys, raw_index, getidx;
287 struct lpfc_hbq_init *hip;
289 struct lpfc_hbq_entry *hbqe;
290 struct lpfc_dmabuf *d_buf;
291 struct hbq_dmabuf *hbq_buf;
293 if (phba->sli_rev != 3)
296 spin_lock_irq(&phba->hbalock);
298 /* toggle between multiple hbqs, if any */
299 i = lpfc_sli_hbq_count();
301 lpfc_debugfs_last_hbq++;
302 if (lpfc_debugfs_last_hbq >= i)
303 lpfc_debugfs_last_hbq = 0;
306 lpfc_debugfs_last_hbq = 0;
308 i = lpfc_debugfs_last_hbq;
310 len += snprintf(buf+len, size-len, "HBQ %d Info\n", i);
312 hbqs = &phba->hbqs[i];
314 list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list)
317 hip = lpfc_hbq_defs[i];
318 len += snprintf(buf+len, size-len,
319 "idx:%d prof:%d rn:%d bufcnt:%d icnt:%d acnt:%d posted %d\n",
320 hip->hbq_index, hip->profile, hip->rn,
321 hip->buffer_count, hip->init_count, hip->add_count, posted);
323 raw_index = phba->hbq_get[i];
324 getidx = le32_to_cpu(raw_index);
325 len += snprintf(buf+len, size-len,
326 "entrys:%d bufcnt:%d Put:%d nPut:%d localGet:%d hbaGet:%d\n",
327 hbqs->entry_count, hbqs->buffer_count, hbqs->hbqPutIdx,
328 hbqs->next_hbqPutIdx, hbqs->local_hbqGetIdx, getidx);
330 hbqe = (struct lpfc_hbq_entry *) phba->hbqs[i].hbq_virt;
331 for (j=0; j<hbqs->entry_count; j++) {
332 len += snprintf(buf+len, size-len,
333 "%03d: %08x %04x %05x ", j,
334 le32_to_cpu(hbqe->bde.addrLow),
335 le32_to_cpu(hbqe->bde.tus.w),
336 le32_to_cpu(hbqe->buffer_tag));
340 /* First calculate if slot has an associated posted buffer */
341 low = hbqs->hbqPutIdx - posted;
343 if ((j >= hbqs->hbqPutIdx) || (j < low)) {
344 len += snprintf(buf+len, size-len, "Unused\n");
349 if ((j >= hbqs->hbqPutIdx) &&
350 (j < (hbqs->entry_count+low))) {
351 len += snprintf(buf+len, size-len, "Unused\n");
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 += snprintf(buf+len, size-len,
362 "Buf%d: %p %06x\n", i,
363 hbq_buf->dbuf.virt, hbq_buf->tag);
370 len += snprintf(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_hba_slim_off;
384 * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer
385 * @phba: The HBA to gather SLIM info from.
386 * @buf: The buffer to dump log into.
387 * @size: The maximum amount of data to process.
390 * This routine dumps the current contents of HBA SLIM for the HBA associated
391 * with @phba to @buf up to @size bytes of data. This is the raw HBA SLIM data.
394 * This routine will only dump up to 1024 bytes of data each time called and
395 * should be called multiple times to dump the entire HBA SLIM.
398 * This routine returns the amount of bytes that were dumped into @buf and will
402 lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size)
409 buffer = kmalloc(1024, GFP_KERNEL);
414 spin_lock_irq(&phba->hbalock);
416 len += snprintf(buf+len, size-len, "HBA SLIM\n");
417 lpfc_memcpy_from_slim(buffer,
418 phba->MBslimaddr + lpfc_debugfs_last_hba_slim_off, 1024);
420 ptr = (uint32_t *)&buffer[0];
421 off = lpfc_debugfs_last_hba_slim_off;
423 /* Set it up for the next time */
424 lpfc_debugfs_last_hba_slim_off += 1024;
425 if (lpfc_debugfs_last_hba_slim_off >= 4096)
426 lpfc_debugfs_last_hba_slim_off = 0;
430 len += snprintf(buf+len, size-len,
431 "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
432 off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
433 *(ptr+5), *(ptr+6), *(ptr+7));
435 i -= (8 * sizeof(uint32_t));
436 off += (8 * sizeof(uint32_t));
439 spin_unlock_irq(&phba->hbalock);
446 * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer
447 * @phba: The HBA to gather Host SLIM info from.
448 * @buf: The buffer to dump log into.
449 * @size: The maximum amount of data to process.
452 * This routine dumps the current contents of host SLIM for the host associated
453 * with @phba to @buf up to @size bytes of data. The dump will contain the
454 * Mailbox, PCB, Rings, and Registers that are located in host memory.
457 * This routine returns the amount of bytes that were dumped into @buf and will
461 lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size)
465 uint32_t word0, word1, word2, word3;
467 struct lpfc_pgp *pgpp;
468 struct lpfc_sli *psli = &phba->sli;
469 struct lpfc_sli_ring *pring;
472 spin_lock_irq(&phba->hbalock);
474 len += snprintf(buf+len, size-len, "SLIM Mailbox\n");
475 ptr = (uint32_t *)phba->slim2p.virt;
476 i = sizeof(MAILBOX_t);
478 len += snprintf(buf+len, size-len,
479 "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
480 off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
481 *(ptr+5), *(ptr+6), *(ptr+7));
483 i -= (8 * sizeof(uint32_t));
484 off += (8 * sizeof(uint32_t));
487 len += snprintf(buf+len, size-len, "SLIM PCB\n");
488 ptr = (uint32_t *)phba->pcb;
491 len += snprintf(buf+len, size-len,
492 "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
493 off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
494 *(ptr+5), *(ptr+6), *(ptr+7));
496 i -= (8 * sizeof(uint32_t));
497 off += (8 * sizeof(uint32_t));
500 if (phba->sli_rev <= LPFC_SLI_REV3) {
501 for (i = 0; i < 4; i++) {
502 pgpp = &phba->port_gp[i];
503 pring = &psli->sli3_ring[i];
504 len += snprintf(buf+len, size-len,
505 "Ring %d: CMD GetInx:%d "
508 "RSP PutInx:%d Max:%d\n",
510 pring->sli.sli3.numCiocb,
511 pring->sli.sli3.next_cmdidx,
512 pring->sli.sli3.local_getidx,
513 pring->flag, pgpp->rspPutInx,
514 pring->sli.sli3.numRiocb);
517 word0 = readl(phba->HAregaddr);
518 word1 = readl(phba->CAregaddr);
519 word2 = readl(phba->HSregaddr);
520 word3 = readl(phba->HCregaddr);
521 len += snprintf(buf+len, size-len, "HA:%08x CA:%08x HS:%08x "
522 "HC:%08x\n", word0, word1, word2, word3);
524 spin_unlock_irq(&phba->hbalock);
529 * lpfc_debugfs_nodelist_data - Dump target node list to a buffer
530 * @vport: The vport to gather target node info from.
531 * @buf: The buffer to dump log into.
532 * @size: The maximum amount of data to process.
535 * This routine dumps the current target node list associated with @vport to
536 * @buf up to @size bytes of data. Each node entry in the dump will contain a
537 * node state, DID, WWPN, WWNN, RPI, flags, type, and other useful fields.
540 * This routine returns the amount of bytes that were dumped into @buf and will
544 lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size)
548 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
549 struct lpfc_hba *phba = vport->phba;
550 struct lpfc_nodelist *ndlp;
551 unsigned char *statep;
552 struct nvme_fc_local_port *localport;
553 struct lpfc_nvme_lport *lport;
554 struct lpfc_nvme_rport *rport;
555 struct lpfc_nvmet_tgtport *tgtp;
556 struct nvme_fc_remote_port *nrport;
558 cnt = (LPFC_NODELIST_SIZE / LPFC_NODELIST_ENTRY_SIZE);
560 len += snprintf(buf+len, size-len, "\nFCP Nodelist Entries ...\n");
561 spin_lock_irq(shost->host_lock);
562 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
564 len += snprintf(buf+len, size-len,
565 "Missing Nodelist Entries\n");
569 switch (ndlp->nlp_state) {
570 case NLP_STE_UNUSED_NODE:
573 case NLP_STE_PLOGI_ISSUE:
576 case NLP_STE_ADISC_ISSUE:
579 case NLP_STE_REG_LOGIN_ISSUE:
582 case NLP_STE_PRLI_ISSUE:
585 case NLP_STE_LOGO_ISSUE:
588 case NLP_STE_UNMAPPED_NODE:
591 case NLP_STE_MAPPED_NODE:
594 case NLP_STE_NPR_NODE:
600 len += snprintf(buf+len, size-len, "%s DID:x%06x ",
601 statep, ndlp->nlp_DID);
602 len += snprintf(buf+len, size-len,
604 wwn_to_u64(ndlp->nlp_portname.u.wwn));
605 len += snprintf(buf+len, size-len,
607 wwn_to_u64(ndlp->nlp_nodename.u.wwn));
608 if (ndlp->nlp_flag & NLP_RPI_REGISTERED)
609 len += snprintf(buf+len, size-len, "RPI:%03d ",
612 len += snprintf(buf+len, size-len, "RPI:none ");
613 len += snprintf(buf+len, size-len, "flag:x%08x ",
616 len += snprintf(buf+len, size-len, "UNKNOWN_TYPE ");
617 if (ndlp->nlp_type & NLP_FC_NODE)
618 len += snprintf(buf+len, size-len, "FC_NODE ");
619 if (ndlp->nlp_type & NLP_FABRIC)
620 len += snprintf(buf+len, size-len, "FABRIC ");
621 if (ndlp->nlp_type & NLP_FCP_TARGET)
622 len += snprintf(buf+len, size-len, "FCP_TGT sid:%d ",
624 if (ndlp->nlp_type & NLP_FCP_INITIATOR)
625 len += snprintf(buf+len, size-len, "FCP_INITIATOR ");
626 len += snprintf(buf+len, size-len, "usgmap:%x ",
628 len += snprintf(buf+len, size-len, "refcnt:%x",
629 kref_read(&ndlp->kref));
630 len += snprintf(buf+len, size-len, "\n");
632 spin_unlock_irq(shost->host_lock);
634 if (phba->nvmet_support && phba->targetport && (vport == phba->pport)) {
635 tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
636 len += snprintf(buf + len, size - len,
637 "\nNVME Targetport Entry ...\n");
639 /* Port state is only one of two values for now. */
640 if (phba->targetport->port_id)
641 statep = "REGISTERED";
644 len += snprintf(buf + len, size - len,
645 "TGT WWNN x%llx WWPN x%llx State %s\n",
646 wwn_to_u64(vport->fc_nodename.u.wwn),
647 wwn_to_u64(vport->fc_portname.u.wwn),
649 len += snprintf(buf + len, size - len,
650 " Targetport DID x%06x\n",
651 phba->targetport->port_id);
655 len += snprintf(buf + len, size - len,
656 "\nNVME Lport/Rport Entries ...\n");
658 localport = vport->localport;
662 spin_lock_irq(shost->host_lock);
663 lport = (struct lpfc_nvme_lport *)localport->private;
665 /* Port state is only one of two values for now. */
666 if (localport->port_id)
671 len += snprintf(buf + len, size - len,
672 "Lport DID x%06x PortState %s\n",
673 localport->port_id, statep);
675 len += snprintf(buf + len, size - len, "\tRport List:\n");
676 list_for_each_entry(rport, &lport->rport_list, list) {
677 /* local short-hand pointer. */
678 nrport = rport->remoteport;
680 /* Port state is only one of two values for now. */
681 switch (nrport->port_state) {
682 case FC_OBJSTATE_ONLINE:
685 case FC_OBJSTATE_UNKNOWN:
689 statep = "UNSUPPORTED";
693 /* Tab in to show lport ownership. */
694 len += snprintf(buf + len, size - len,
695 "\t%s Port ID:x%06x ",
696 statep, nrport->port_id);
697 len += snprintf(buf + len, size - len, "WWPN x%llx ",
699 len += snprintf(buf + len, size - len, "WWNN x%llx ",
701 switch (nrport->port_role) {
702 case FC_PORT_ROLE_NVME_INITIATOR:
703 len += snprintf(buf + len, size - len,
706 case FC_PORT_ROLE_NVME_TARGET:
707 len += snprintf(buf + len, size - len,
710 case FC_PORT_ROLE_NVME_DISCOVERY:
711 len += snprintf(buf + len, size - len,
715 len += snprintf(buf + len, size - len,
721 /* Terminate the string. */
722 len += snprintf(buf + len, size - len, "\n");
725 spin_unlock_irq(shost->host_lock);
731 * lpfc_debugfs_nvmestat_data - Dump target node list to a buffer
732 * @vport: The vport to gather target node info from.
733 * @buf: The buffer to dump log into.
734 * @size: The maximum amount of data to process.
737 * This routine dumps the NVME statistics associated with @vport
740 * This routine returns the amount of bytes that were dumped into @buf and will
744 lpfc_debugfs_nvmestat_data(struct lpfc_vport *vport, char *buf, int size)
746 struct lpfc_hba *phba = vport->phba;
747 struct lpfc_nvmet_tgtport *tgtp;
748 struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp;
752 if (phba->nvmet_support) {
753 if (!phba->targetport)
755 tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
756 len += snprintf(buf + len, size - len,
757 "\nNVME Targetport Statistics\n");
759 len += snprintf(buf + len, size - len,
760 "LS: Rcv %08x Drop %08x Abort %08x\n",
761 atomic_read(&tgtp->rcv_ls_req_in),
762 atomic_read(&tgtp->rcv_ls_req_drop),
763 atomic_read(&tgtp->xmt_ls_abort));
764 if (atomic_read(&tgtp->rcv_ls_req_in) !=
765 atomic_read(&tgtp->rcv_ls_req_out)) {
766 len += snprintf(buf + len, size - len,
767 "Rcv LS: in %08x != out %08x\n",
768 atomic_read(&tgtp->rcv_ls_req_in),
769 atomic_read(&tgtp->rcv_ls_req_out));
772 len += snprintf(buf + len, size - len,
773 "LS: Xmt %08x Drop %08x Cmpl %08x Err %08x\n",
774 atomic_read(&tgtp->xmt_ls_rsp),
775 atomic_read(&tgtp->xmt_ls_drop),
776 atomic_read(&tgtp->xmt_ls_rsp_cmpl),
777 atomic_read(&tgtp->xmt_ls_rsp_error));
779 len += snprintf(buf + len, size - len,
780 "FCP: Rcv %08x Drop %08x\n",
781 atomic_read(&tgtp->rcv_fcp_cmd_in),
782 atomic_read(&tgtp->rcv_fcp_cmd_drop));
784 if (atomic_read(&tgtp->rcv_fcp_cmd_in) !=
785 atomic_read(&tgtp->rcv_fcp_cmd_out)) {
786 len += snprintf(buf + len, size - len,
787 "Rcv FCP: in %08x != out %08x\n",
788 atomic_read(&tgtp->rcv_fcp_cmd_in),
789 atomic_read(&tgtp->rcv_fcp_cmd_out));
792 len += snprintf(buf + len, size - len,
793 "FCP Rsp: read %08x readrsp %08x "
794 "write %08x rsp %08x\n",
795 atomic_read(&tgtp->xmt_fcp_read),
796 atomic_read(&tgtp->xmt_fcp_read_rsp),
797 atomic_read(&tgtp->xmt_fcp_write),
798 atomic_read(&tgtp->xmt_fcp_rsp));
800 len += snprintf(buf + len, size - len,
801 "FCP Rsp Cmpl: %08x err %08x drop %08x\n",
802 atomic_read(&tgtp->xmt_fcp_rsp_cmpl),
803 atomic_read(&tgtp->xmt_fcp_rsp_error),
804 atomic_read(&tgtp->xmt_fcp_rsp_drop));
806 len += snprintf(buf + len, size - len,
807 "ABORT: Xmt %08x Cmpl %08x\n",
808 atomic_read(&tgtp->xmt_fcp_abort),
809 atomic_read(&tgtp->xmt_fcp_abort_cmpl));
811 len += snprintf(buf + len, size - len,
812 "ABORT: Sol %08x Usol %08x Err %08x Cmpl %08x",
813 atomic_read(&tgtp->xmt_abort_sol),
814 atomic_read(&tgtp->xmt_abort_unsol),
815 atomic_read(&tgtp->xmt_abort_rsp),
816 atomic_read(&tgtp->xmt_abort_rsp_error));
818 len += snprintf(buf + len, size - len, "\n");
821 spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock);
822 list_for_each_entry_safe(ctxp, next_ctxp,
823 &phba->sli4_hba.lpfc_abts_nvmet_ctx_list,
827 spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock);
829 len += snprintf(buf + len, size - len,
830 "ABORT: %d ctx entries\n", cnt);
831 spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock);
832 list_for_each_entry_safe(ctxp, next_ctxp,
833 &phba->sli4_hba.lpfc_abts_nvmet_ctx_list,
835 if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ))
837 len += snprintf(buf + len, size - len,
838 "Entry: oxid %x state %x "
840 ctxp->oxid, ctxp->state,
843 spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock);
846 len += snprintf(buf + len, size - len,
847 "IO_CTX: %08x outstanding %08x total %08x\n",
848 phba->sli4_hba.nvmet_ctx_cnt,
849 phba->sli4_hba.nvmet_io_wait_cnt,
850 phba->sli4_hba.nvmet_io_wait_total);
852 if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME))
855 len += snprintf(buf + len, size - len,
856 "\nNVME Lport Statistics\n");
858 len += snprintf(buf + len, size - len,
859 "LS: Xmt %016llx Cmpl %016llx\n",
860 phba->fc4NvmeLsRequests,
861 phba->fc4NvmeLsCmpls);
863 len += snprintf(buf + len, size - len,
864 "FCP: Rd %016llx Wr %016llx IO %016llx\n",
865 phba->fc4NvmeInputRequests,
866 phba->fc4NvmeOutputRequests,
867 phba->fc4NvmeControlRequests);
869 len += snprintf(buf + len, size - len,
870 " Cmpl %016llx\n", phba->fc4NvmeIoCmpls);
878 * lpfc_debugfs_nvmektime_data - Dump target node list to a buffer
879 * @vport: The vport to gather target node info from.
880 * @buf: The buffer to dump log into.
881 * @size: The maximum amount of data to process.
884 * This routine dumps the NVME statistics associated with @vport
887 * This routine returns the amount of bytes that were dumped into @buf and will
891 lpfc_debugfs_nvmektime_data(struct lpfc_vport *vport, char *buf, int size)
893 struct lpfc_hba *phba = vport->phba;
896 if (phba->nvmet_support == 0) {
898 len += snprintf(buf + len, PAGE_SIZE - len,
899 "ktime %s: Total Samples: %lld\n",
900 (phba->ktime_on ? "Enabled" : "Disabled"),
901 phba->ktime_data_samples);
902 if (phba->ktime_data_samples == 0)
906 buf + len, PAGE_SIZE - len,
907 "Segment 1: Last NVME Cmd cmpl "
908 "done -to- Start of next NVME cnd (in driver)\n");
910 buf + len, PAGE_SIZE - len,
911 "avg:%08lld min:%08lld max %08lld\n",
912 div_u64(phba->ktime_seg1_total,
913 phba->ktime_data_samples),
914 phba->ktime_seg1_min,
915 phba->ktime_seg1_max);
917 buf + len, PAGE_SIZE - len,
918 "Segment 2: Driver start of NVME cmd "
919 "-to- Firmware WQ doorbell\n");
921 buf + len, PAGE_SIZE - len,
922 "avg:%08lld min:%08lld max %08lld\n",
923 div_u64(phba->ktime_seg2_total,
924 phba->ktime_data_samples),
925 phba->ktime_seg2_min,
926 phba->ktime_seg2_max);
928 buf + len, PAGE_SIZE - len,
929 "Segment 3: Firmware WQ doorbell -to- "
932 buf + len, PAGE_SIZE - len,
933 "avg:%08lld min:%08lld max %08lld\n",
934 div_u64(phba->ktime_seg3_total,
935 phba->ktime_data_samples),
936 phba->ktime_seg3_min,
937 phba->ktime_seg3_max);
939 buf + len, PAGE_SIZE - len,
940 "Segment 4: MSI-X ISR cmpl -to- "
943 buf + len, PAGE_SIZE - len,
944 "avg:%08lld min:%08lld max %08lld\n",
945 div_u64(phba->ktime_seg4_total,
946 phba->ktime_data_samples),
947 phba->ktime_seg4_min,
948 phba->ktime_seg4_max);
950 buf + len, PAGE_SIZE - len,
951 "Total IO avg time: %08lld\n",
952 div_u64(phba->ktime_seg1_total +
953 phba->ktime_seg2_total +
954 phba->ktime_seg3_total +
955 phba->ktime_seg4_total,
956 phba->ktime_data_samples));
961 len += snprintf(buf + len, PAGE_SIZE-len,
962 "ktime %s: Total Samples: %lld %lld\n",
963 (phba->ktime_on ? "Enabled" : "Disabled"),
964 phba->ktime_data_samples,
965 phba->ktime_status_samples);
966 if (phba->ktime_data_samples == 0)
969 len += snprintf(buf + len, PAGE_SIZE-len,
970 "Segment 1: MSI-X ISR Rcv cmd -to- "
971 "cmd pass to NVME Layer\n");
972 len += snprintf(buf + len, PAGE_SIZE-len,
973 "avg:%08lld min:%08lld max %08lld\n",
974 div_u64(phba->ktime_seg1_total,
975 phba->ktime_data_samples),
976 phba->ktime_seg1_min,
977 phba->ktime_seg1_max);
978 len += snprintf(buf + len, PAGE_SIZE-len,
979 "Segment 2: cmd pass to NVME Layer- "
980 "-to- Driver rcv cmd OP (action)\n");
981 len += snprintf(buf + len, PAGE_SIZE-len,
982 "avg:%08lld min:%08lld max %08lld\n",
983 div_u64(phba->ktime_seg2_total,
984 phba->ktime_data_samples),
985 phba->ktime_seg2_min,
986 phba->ktime_seg2_max);
987 len += snprintf(buf + len, PAGE_SIZE-len,
988 "Segment 3: Driver rcv cmd OP -to- "
989 "Firmware WQ doorbell: cmd\n");
990 len += snprintf(buf + len, PAGE_SIZE-len,
991 "avg:%08lld min:%08lld max %08lld\n",
992 div_u64(phba->ktime_seg3_total,
993 phba->ktime_data_samples),
994 phba->ktime_seg3_min,
995 phba->ktime_seg3_max);
996 len += snprintf(buf + len, PAGE_SIZE-len,
997 "Segment 4: Firmware WQ doorbell: cmd "
998 "-to- MSI-X ISR for cmd cmpl\n");
999 len += snprintf(buf + len, PAGE_SIZE-len,
1000 "avg:%08lld min:%08lld max %08lld\n",
1001 div_u64(phba->ktime_seg4_total,
1002 phba->ktime_data_samples),
1003 phba->ktime_seg4_min,
1004 phba->ktime_seg4_max);
1005 len += snprintf(buf + len, PAGE_SIZE-len,
1006 "Segment 5: MSI-X ISR for cmd cmpl "
1007 "-to- NVME layer passed cmd done\n");
1008 len += snprintf(buf + len, PAGE_SIZE-len,
1009 "avg:%08lld min:%08lld max %08lld\n",
1010 div_u64(phba->ktime_seg5_total,
1011 phba->ktime_data_samples),
1012 phba->ktime_seg5_min,
1013 phba->ktime_seg5_max);
1015 if (phba->ktime_status_samples == 0) {
1016 len += snprintf(buf + len, PAGE_SIZE-len,
1017 "Total: cmd received by MSI-X ISR "
1018 "-to- cmd completed on wire\n");
1019 len += snprintf(buf + len, PAGE_SIZE-len,
1020 "avg:%08lld min:%08lld "
1022 div_u64(phba->ktime_seg10_total,
1023 phba->ktime_data_samples),
1024 phba->ktime_seg10_min,
1025 phba->ktime_seg10_max);
1029 len += snprintf(buf + len, PAGE_SIZE-len,
1030 "Segment 6: NVME layer passed cmd done "
1031 "-to- Driver rcv rsp status OP\n");
1032 len += snprintf(buf + len, PAGE_SIZE-len,
1033 "avg:%08lld min:%08lld max %08lld\n",
1034 div_u64(phba->ktime_seg6_total,
1035 phba->ktime_status_samples),
1036 phba->ktime_seg6_min,
1037 phba->ktime_seg6_max);
1038 len += snprintf(buf + len, PAGE_SIZE-len,
1039 "Segment 7: Driver rcv rsp status OP "
1040 "-to- Firmware WQ doorbell: status\n");
1041 len += snprintf(buf + len, PAGE_SIZE-len,
1042 "avg:%08lld min:%08lld max %08lld\n",
1043 div_u64(phba->ktime_seg7_total,
1044 phba->ktime_status_samples),
1045 phba->ktime_seg7_min,
1046 phba->ktime_seg7_max);
1047 len += snprintf(buf + len, PAGE_SIZE-len,
1048 "Segment 8: Firmware WQ doorbell: status"
1049 " -to- MSI-X ISR for status cmpl\n");
1050 len += snprintf(buf + len, PAGE_SIZE-len,
1051 "avg:%08lld min:%08lld max %08lld\n",
1052 div_u64(phba->ktime_seg8_total,
1053 phba->ktime_status_samples),
1054 phba->ktime_seg8_min,
1055 phba->ktime_seg8_max);
1056 len += snprintf(buf + len, PAGE_SIZE-len,
1057 "Segment 9: MSI-X ISR for status cmpl "
1058 "-to- NVME layer passed status done\n");
1059 len += snprintf(buf + len, PAGE_SIZE-len,
1060 "avg:%08lld min:%08lld max %08lld\n",
1061 div_u64(phba->ktime_seg9_total,
1062 phba->ktime_status_samples),
1063 phba->ktime_seg9_min,
1064 phba->ktime_seg9_max);
1065 len += snprintf(buf + len, PAGE_SIZE-len,
1066 "Total: cmd received by MSI-X ISR -to- "
1067 "cmd completed on wire\n");
1068 len += snprintf(buf + len, PAGE_SIZE-len,
1069 "avg:%08lld min:%08lld max %08lld\n",
1070 div_u64(phba->ktime_seg10_total,
1071 phba->ktime_status_samples),
1072 phba->ktime_seg10_min,
1073 phba->ktime_seg10_max);
1078 * lpfc_debugfs_nvmeio_trc_data - Dump NVME IO trace list to a buffer
1079 * @phba: The phba to gather target node info from.
1080 * @buf: The buffer to dump log into.
1081 * @size: The maximum amount of data to process.
1084 * This routine dumps the NVME IO trace associated with @phba
1087 * This routine returns the amount of bytes that were dumped into @buf and will
1091 lpfc_debugfs_nvmeio_trc_data(struct lpfc_hba *phba, char *buf, int size)
1093 struct lpfc_debugfs_nvmeio_trc *dtp;
1094 int i, state, index, skip;
1097 state = phba->nvmeio_trc_on;
1099 index = (atomic_read(&phba->nvmeio_trc_cnt) + 1) &
1100 (phba->nvmeio_trc_size - 1);
1101 skip = phba->nvmeio_trc_output_idx;
1103 len += snprintf(buf + len, size - len,
1104 "%s IO Trace %s: next_idx %d skip %d size %d\n",
1105 (phba->nvmet_support ? "NVME" : "NVMET"),
1106 (state ? "Enabled" : "Disabled"),
1107 index, skip, phba->nvmeio_trc_size);
1109 if (!phba->nvmeio_trc || state)
1112 /* trace MUST bhe off to continue */
1114 for (i = index; i < phba->nvmeio_trc_size; i++) {
1119 dtp = phba->nvmeio_trc + i;
1120 phba->nvmeio_trc_output_idx++;
1125 len += snprintf(buf + len, size - len, dtp->fmt,
1126 dtp->data1, dtp->data2, dtp->data3);
1128 if (phba->nvmeio_trc_output_idx >= phba->nvmeio_trc_size) {
1129 phba->nvmeio_trc_output_idx = 0;
1130 len += snprintf(buf + len, size - len,
1131 "Trace Complete\n");
1135 if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ)) {
1136 len += snprintf(buf + len, size - len,
1137 "Trace Continue (%d of %d)\n",
1138 phba->nvmeio_trc_output_idx,
1139 phba->nvmeio_trc_size);
1143 for (i = 0; i < index; i++) {
1148 dtp = phba->nvmeio_trc + i;
1149 phba->nvmeio_trc_output_idx++;
1154 len += snprintf(buf + len, size - len, dtp->fmt,
1155 dtp->data1, dtp->data2, dtp->data3);
1157 if (phba->nvmeio_trc_output_idx >= phba->nvmeio_trc_size) {
1158 phba->nvmeio_trc_output_idx = 0;
1159 len += snprintf(buf + len, size - len,
1160 "Trace Complete\n");
1164 if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ)) {
1165 len += snprintf(buf + len, size - len,
1166 "Trace Continue (%d of %d)\n",
1167 phba->nvmeio_trc_output_idx,
1168 phba->nvmeio_trc_size);
1173 len += snprintf(buf + len, size - len,
1180 * lpfc_debugfs_cpucheck_data - Dump target node list to a buffer
1181 * @vport: The vport to gather target node info from.
1182 * @buf: The buffer to dump log into.
1183 * @size: The maximum amount of data to process.
1186 * This routine dumps the NVME statistics associated with @vport
1189 * This routine returns the amount of bytes that were dumped into @buf and will
1193 lpfc_debugfs_cpucheck_data(struct lpfc_vport *vport, char *buf, int size)
1195 struct lpfc_hba *phba = vport->phba;
1198 uint32_t tot_xmt = 0;
1199 uint32_t tot_rcv = 0;
1200 uint32_t tot_cmpl = 0;
1201 uint32_t tot_ccmpl = 0;
1203 if (phba->nvmet_support == 0) {
1204 /* NVME Initiator */
1205 len += snprintf(buf + len, PAGE_SIZE - len,
1207 (phba->cpucheck_on & LPFC_CHECK_NVME_IO ?
1208 "Enabled" : "Disabled"));
1209 for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
1210 if (i >= LPFC_CHECK_CPU_CNT)
1212 len += snprintf(buf + len, PAGE_SIZE - len,
1213 "%02d: xmit x%08x cmpl x%08x\n",
1214 i, phba->cpucheck_xmt_io[i],
1215 phba->cpucheck_cmpl_io[i]);
1216 tot_xmt += phba->cpucheck_xmt_io[i];
1217 tot_cmpl += phba->cpucheck_cmpl_io[i];
1219 len += snprintf(buf + len, PAGE_SIZE - len,
1220 "tot:xmit x%08x cmpl x%08x\n",
1226 len += snprintf(buf + len, PAGE_SIZE - len,
1228 (phba->cpucheck_on & LPFC_CHECK_NVMET_IO ?
1229 "IO Enabled - " : "IO Disabled - "));
1230 len += snprintf(buf + len, PAGE_SIZE - len,
1232 (phba->cpucheck_on & LPFC_CHECK_NVMET_RCV ?
1233 "Rcv Enabled\n" : "Rcv Disabled\n"));
1234 for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
1235 if (i >= LPFC_CHECK_CPU_CNT)
1237 len += snprintf(buf + len, PAGE_SIZE - len,
1238 "%02d: xmit x%08x ccmpl x%08x "
1239 "cmpl x%08x rcv x%08x\n",
1240 i, phba->cpucheck_xmt_io[i],
1241 phba->cpucheck_ccmpl_io[i],
1242 phba->cpucheck_cmpl_io[i],
1243 phba->cpucheck_rcv_io[i]);
1244 tot_xmt += phba->cpucheck_xmt_io[i];
1245 tot_rcv += phba->cpucheck_rcv_io[i];
1246 tot_cmpl += phba->cpucheck_cmpl_io[i];
1247 tot_ccmpl += phba->cpucheck_ccmpl_io[i];
1249 len += snprintf(buf + len, PAGE_SIZE - len,
1250 "tot:xmit x%08x ccmpl x%08x cmpl x%08x rcv x%08x\n",
1251 tot_xmt, tot_ccmpl, tot_cmpl, tot_rcv);
1258 * lpfc_debugfs_disc_trc - Store discovery trace log
1259 * @vport: The vport to associate this trace string with for retrieval.
1260 * @mask: Log entry classification.
1261 * @fmt: Format string to be displayed when dumping the log.
1262 * @data1: 1st data parameter to be applied to @fmt.
1263 * @data2: 2nd data parameter to be applied to @fmt.
1264 * @data3: 3rd data parameter to be applied to @fmt.
1267 * This routine is used by the driver code to add a debugfs log entry to the
1268 * discovery trace buffer associated with @vport. Only entries with a @mask that
1269 * match the current debugfs discovery mask will be saved. Entries that do not
1270 * match will be thrown away. @fmt, @data1, @data2, and @data3 are used like
1271 * printf when displaying the log.
1274 lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt,
1275 uint32_t data1, uint32_t data2, uint32_t data3)
1277 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1278 struct lpfc_debugfs_trc *dtp;
1281 if (!(lpfc_debugfs_mask_disc_trc & mask))
1284 if (!lpfc_debugfs_enable || !lpfc_debugfs_max_disc_trc ||
1285 !vport || !vport->disc_trc)
1288 index = atomic_inc_return(&vport->disc_trc_cnt) &
1289 (lpfc_debugfs_max_disc_trc - 1);
1290 dtp = vport->disc_trc + index;
1295 dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
1302 * lpfc_debugfs_slow_ring_trc - Store slow ring trace log
1303 * @phba: The phba to associate this trace string with for retrieval.
1304 * @fmt: Format string to be displayed when dumping the log.
1305 * @data1: 1st data parameter to be applied to @fmt.
1306 * @data2: 2nd data parameter to be applied to @fmt.
1307 * @data3: 3rd data parameter to be applied to @fmt.
1310 * This routine is used by the driver code to add a debugfs log entry to the
1311 * discovery trace buffer associated with @vport. @fmt, @data1, @data2, and
1312 * @data3 are used like printf when displaying the log.
1315 lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt,
1316 uint32_t data1, uint32_t data2, uint32_t data3)
1318 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1319 struct lpfc_debugfs_trc *dtp;
1322 if (!lpfc_debugfs_enable || !lpfc_debugfs_max_slow_ring_trc ||
1323 !phba || !phba->slow_ring_trc)
1326 index = atomic_inc_return(&phba->slow_ring_trc_cnt) &
1327 (lpfc_debugfs_max_slow_ring_trc - 1);
1328 dtp = phba->slow_ring_trc + index;
1333 dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
1340 * lpfc_debugfs_nvme_trc - Store NVME/NVMET trace log
1341 * @phba: The phba to associate this trace string with for retrieval.
1342 * @fmt: Format string to be displayed when dumping the log.
1343 * @data1: 1st data parameter to be applied to @fmt.
1344 * @data2: 2nd data parameter to be applied to @fmt.
1345 * @data3: 3rd data parameter to be applied to @fmt.
1348 * This routine is used by the driver code to add a debugfs log entry to the
1349 * nvme trace buffer associated with @phba. @fmt, @data1, @data2, and
1350 * @data3 are used like printf when displaying the log.
1353 lpfc_debugfs_nvme_trc(struct lpfc_hba *phba, char *fmt,
1354 uint16_t data1, uint16_t data2, uint32_t data3)
1356 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1357 struct lpfc_debugfs_nvmeio_trc *dtp;
1360 if (!phba->nvmeio_trc_on || !phba->nvmeio_trc)
1363 index = atomic_inc_return(&phba->nvmeio_trc_cnt) &
1364 (phba->nvmeio_trc_size - 1);
1365 dtp = phba->nvmeio_trc + index;
1373 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1375 * lpfc_debugfs_disc_trc_open - Open the discovery trace log
1376 * @inode: The inode pointer that contains a vport pointer.
1377 * @file: The file pointer to attach the log output.
1380 * This routine is the entry point for the debugfs open file operation. It gets
1381 * the vport from the i_private field in @inode, allocates the necessary buffer
1382 * for the log, fills the buffer from the in-memory log for this vport, and then
1383 * returns a pointer to that log in the private_data field in @file.
1386 * This function returns zero if successful. On error it will return a negative
1390 lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file)
1392 struct lpfc_vport *vport = inode->i_private;
1393 struct lpfc_debug *debug;
1397 if (!lpfc_debugfs_max_disc_trc) {
1402 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
1406 /* Round to page boundary */
1407 size = (lpfc_debugfs_max_disc_trc * LPFC_DEBUG_TRC_ENTRY_SIZE);
1408 size = PAGE_ALIGN(size);
1410 debug->buffer = kmalloc(size, GFP_KERNEL);
1411 if (!debug->buffer) {
1416 debug->len = lpfc_debugfs_disc_trc_data(vport, debug->buffer, size);
1417 file->private_data = debug;
1425 * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log
1426 * @inode: The inode pointer that contains a vport pointer.
1427 * @file: The file pointer to attach the log output.
1430 * This routine is the entry point for the debugfs open file operation. It gets
1431 * the vport from the i_private field in @inode, allocates the necessary buffer
1432 * for the log, fills the buffer from the in-memory log for this vport, and then
1433 * returns a pointer to that log in the private_data field in @file.
1436 * This function returns zero if successful. On error it will return a negative
1440 lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file)
1442 struct lpfc_hba *phba = inode->i_private;
1443 struct lpfc_debug *debug;
1447 if (!lpfc_debugfs_max_slow_ring_trc) {
1452 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
1456 /* Round to page boundary */
1457 size = (lpfc_debugfs_max_slow_ring_trc * LPFC_DEBUG_TRC_ENTRY_SIZE);
1458 size = PAGE_ALIGN(size);
1460 debug->buffer = kmalloc(size, GFP_KERNEL);
1461 if (!debug->buffer) {
1466 debug->len = lpfc_debugfs_slow_ring_trc_data(phba, debug->buffer, size);
1467 file->private_data = debug;
1475 * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer
1476 * @inode: The inode pointer that contains a vport pointer.
1477 * @file: The file pointer to attach the log output.
1480 * This routine is the entry point for the debugfs open file operation. It gets
1481 * the vport from the i_private field in @inode, allocates the necessary buffer
1482 * for the log, fills the buffer from the in-memory log for this vport, and then
1483 * returns a pointer to that log in the private_data field in @file.
1486 * This function returns zero if successful. On error it will return a negative
1490 lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file)
1492 struct lpfc_hba *phba = inode->i_private;
1493 struct lpfc_debug *debug;
1496 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
1500 /* Round to page boundary */
1501 debug->buffer = kmalloc(LPFC_HBQINFO_SIZE, GFP_KERNEL);
1502 if (!debug->buffer) {
1507 debug->len = lpfc_debugfs_hbqinfo_data(phba, debug->buffer,
1509 file->private_data = debug;
1517 * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer
1518 * @inode: The inode pointer that contains a vport pointer.
1519 * @file: The file pointer to attach the log output.
1522 * This routine is the entry point for the debugfs open file operation. It gets
1523 * the vport from the i_private field in @inode, allocates the necessary buffer
1524 * for the log, fills the buffer from the in-memory log for this vport, and then
1525 * returns a pointer to that log in the private_data field in @file.
1528 * This function returns zero if successful. On error it will return a negative
1532 lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file)
1534 struct lpfc_hba *phba = inode->i_private;
1535 struct lpfc_debug *debug;
1538 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
1542 /* Round to page boundary */
1543 debug->buffer = kmalloc(LPFC_DUMPHBASLIM_SIZE, GFP_KERNEL);
1544 if (!debug->buffer) {
1549 debug->len = lpfc_debugfs_dumpHBASlim_data(phba, debug->buffer,
1550 LPFC_DUMPHBASLIM_SIZE);
1551 file->private_data = debug;
1559 * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer
1560 * @inode: The inode pointer that contains a vport pointer.
1561 * @file: The file pointer to attach the log output.
1564 * This routine is the entry point for the debugfs open file operation. It gets
1565 * the vport from the i_private field in @inode, allocates the necessary buffer
1566 * for the log, fills the buffer from the in-memory log for this vport, and then
1567 * returns a pointer to that log in the private_data field in @file.
1570 * This function returns zero if successful. On error it will return a negative
1574 lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file)
1576 struct lpfc_hba *phba = inode->i_private;
1577 struct lpfc_debug *debug;
1580 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
1584 /* Round to page boundary */
1585 debug->buffer = kmalloc(LPFC_DUMPHOSTSLIM_SIZE, GFP_KERNEL);
1586 if (!debug->buffer) {
1591 debug->len = lpfc_debugfs_dumpHostSlim_data(phba, debug->buffer,
1592 LPFC_DUMPHOSTSLIM_SIZE);
1593 file->private_data = debug;
1601 lpfc_debugfs_dumpData_open(struct inode *inode, struct file *file)
1603 struct lpfc_debug *debug;
1606 if (!_dump_buf_data)
1609 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
1613 /* Round to page boundary */
1614 pr_err("9059 BLKGRD: %s: _dump_buf_data=0x%p\n",
1615 __func__, _dump_buf_data);
1616 debug->buffer = _dump_buf_data;
1617 if (!debug->buffer) {
1622 debug->len = (1 << _dump_buf_data_order) << PAGE_SHIFT;
1623 file->private_data = debug;
1631 lpfc_debugfs_dumpDif_open(struct inode *inode, struct file *file)
1633 struct lpfc_debug *debug;
1639 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
1643 /* Round to page boundary */
1644 pr_err("9060 BLKGRD: %s: _dump_buf_dif=0x%p file=%pD\n",
1645 __func__, _dump_buf_dif, file);
1646 debug->buffer = _dump_buf_dif;
1647 if (!debug->buffer) {
1652 debug->len = (1 << _dump_buf_dif_order) << PAGE_SHIFT;
1653 file->private_data = debug;
1661 lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf,
1662 size_t nbytes, loff_t *ppos)
1665 * The Data/DIF buffers only save one failing IO
1666 * The write op is used as a reset mechanism after an IO has
1667 * already been saved to the next one can be saved
1669 spin_lock(&_dump_buf_lock);
1671 memset((void *)_dump_buf_data, 0,
1672 ((1 << PAGE_SHIFT) << _dump_buf_data_order));
1673 memset((void *)_dump_buf_dif, 0,
1674 ((1 << PAGE_SHIFT) << _dump_buf_dif_order));
1678 spin_unlock(&_dump_buf_lock);
1684 lpfc_debugfs_dif_err_read(struct file *file, char __user *buf,
1685 size_t nbytes, loff_t *ppos)
1687 struct dentry *dent = file->f_path.dentry;
1688 struct lpfc_hba *phba = file->private_data;
1693 if (dent == phba->debug_writeGuard)
1694 cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wgrd_cnt);
1695 else if (dent == phba->debug_writeApp)
1696 cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wapp_cnt);
1697 else if (dent == phba->debug_writeRef)
1698 cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wref_cnt);
1699 else if (dent == phba->debug_readGuard)
1700 cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rgrd_cnt);
1701 else if (dent == phba->debug_readApp)
1702 cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rapp_cnt);
1703 else if (dent == phba->debug_readRef)
1704 cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rref_cnt);
1705 else if (dent == phba->debug_InjErrNPortID)
1706 cnt = snprintf(cbuf, 32, "0x%06x\n", phba->lpfc_injerr_nportid);
1707 else if (dent == phba->debug_InjErrWWPN) {
1708 memcpy(&tmp, &phba->lpfc_injerr_wwpn, sizeof(struct lpfc_name));
1709 tmp = cpu_to_be64(tmp);
1710 cnt = snprintf(cbuf, 32, "0x%016llx\n", tmp);
1711 } else if (dent == phba->debug_InjErrLBA) {
1712 if (phba->lpfc_injerr_lba == (sector_t)(-1))
1713 cnt = snprintf(cbuf, 32, "off\n");
1715 cnt = snprintf(cbuf, 32, "0x%llx\n",
1716 (uint64_t) phba->lpfc_injerr_lba);
1718 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1719 "0547 Unknown debugfs error injection entry\n");
1721 return simple_read_from_buffer(buf, nbytes, ppos, &cbuf, cnt);
1725 lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf,
1726 size_t nbytes, loff_t *ppos)
1728 struct dentry *dent = file->f_path.dentry;
1729 struct lpfc_hba *phba = file->private_data;
1734 memset(dstbuf, 0, 33);
1735 size = (nbytes < 32) ? nbytes : 32;
1736 if (copy_from_user(dstbuf, buf, size))
1739 if (dent == phba->debug_InjErrLBA) {
1740 if ((buf[0] == 'o') && (buf[1] == 'f') && (buf[2] == 'f'))
1741 tmp = (uint64_t)(-1);
1744 if ((tmp == 0) && (kstrtoull(dstbuf, 0, &tmp)))
1747 if (dent == phba->debug_writeGuard)
1748 phba->lpfc_injerr_wgrd_cnt = (uint32_t)tmp;
1749 else if (dent == phba->debug_writeApp)
1750 phba->lpfc_injerr_wapp_cnt = (uint32_t)tmp;
1751 else if (dent == phba->debug_writeRef)
1752 phba->lpfc_injerr_wref_cnt = (uint32_t)tmp;
1753 else if (dent == phba->debug_readGuard)
1754 phba->lpfc_injerr_rgrd_cnt = (uint32_t)tmp;
1755 else if (dent == phba->debug_readApp)
1756 phba->lpfc_injerr_rapp_cnt = (uint32_t)tmp;
1757 else if (dent == phba->debug_readRef)
1758 phba->lpfc_injerr_rref_cnt = (uint32_t)tmp;
1759 else if (dent == phba->debug_InjErrLBA)
1760 phba->lpfc_injerr_lba = (sector_t)tmp;
1761 else if (dent == phba->debug_InjErrNPortID)
1762 phba->lpfc_injerr_nportid = (uint32_t)(tmp & Mask_DID);
1763 else if (dent == phba->debug_InjErrWWPN) {
1764 tmp = cpu_to_be64(tmp);
1765 memcpy(&phba->lpfc_injerr_wwpn, &tmp, sizeof(struct lpfc_name));
1767 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1768 "0548 Unknown debugfs error injection entry\n");
1774 lpfc_debugfs_dif_err_release(struct inode *inode, struct file *file)
1780 * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file
1781 * @inode: The inode pointer that contains a vport pointer.
1782 * @file: The file pointer to attach the log output.
1785 * This routine is the entry point for the debugfs open file operation. It gets
1786 * the vport from the i_private field in @inode, allocates the necessary buffer
1787 * for the log, fills the buffer from the in-memory log for this vport, and then
1788 * returns a pointer to that log in the private_data field in @file.
1791 * This function returns zero if successful. On error it will return a negative
1795 lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file)
1797 struct lpfc_vport *vport = inode->i_private;
1798 struct lpfc_debug *debug;
1801 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
1805 /* Round to page boundary */
1806 debug->buffer = kmalloc(LPFC_NODELIST_SIZE, GFP_KERNEL);
1807 if (!debug->buffer) {
1812 debug->len = lpfc_debugfs_nodelist_data(vport, debug->buffer,
1813 LPFC_NODELIST_SIZE);
1814 file->private_data = debug;
1822 * lpfc_debugfs_lseek - Seek through a debugfs file
1823 * @file: The file pointer to seek through.
1824 * @off: The offset to seek to or the amount to seek by.
1825 * @whence: Indicates how to seek.
1828 * This routine is the entry point for the debugfs lseek file operation. The
1829 * @whence parameter indicates whether @off is the offset to directly seek to,
1830 * or if it is a value to seek forward or reverse by. This function figures out
1831 * what the new offset of the debugfs file will be and assigns that value to the
1832 * f_pos field of @file.
1835 * This function returns the new offset if successful and returns a negative
1836 * error if unable to process the seek.
1839 lpfc_debugfs_lseek(struct file *file, loff_t off, int whence)
1841 struct lpfc_debug *debug = file->private_data;
1842 return fixed_size_llseek(file, off, whence, debug->len);
1846 * lpfc_debugfs_read - Read a debugfs file
1847 * @file: The file pointer to read from.
1848 * @buf: The buffer to copy the data to.
1849 * @nbytes: The number of bytes to read.
1850 * @ppos: The position in the file to start reading from.
1853 * This routine reads data from from the buffer indicated in the private_data
1854 * field of @file. It will start reading at @ppos and copy up to @nbytes of
1858 * This function returns the amount of data that was read (this could be less
1859 * than @nbytes if the end of the file was reached) or a negative error value.
1862 lpfc_debugfs_read(struct file *file, char __user *buf,
1863 size_t nbytes, loff_t *ppos)
1865 struct lpfc_debug *debug = file->private_data;
1867 return simple_read_from_buffer(buf, nbytes, ppos, debug->buffer,
1872 * lpfc_debugfs_release - Release the buffer used to store debugfs file data
1873 * @inode: The inode pointer that contains a vport pointer. (unused)
1874 * @file: The file pointer that contains the buffer to release.
1877 * This routine frees the buffer that was allocated when the debugfs file was
1881 * This function returns zero.
1884 lpfc_debugfs_release(struct inode *inode, struct file *file)
1886 struct lpfc_debug *debug = file->private_data;
1888 kfree(debug->buffer);
1895 lpfc_debugfs_dumpDataDif_release(struct inode *inode, struct file *file)
1897 struct lpfc_debug *debug = file->private_data;
1899 debug->buffer = NULL;
1907 lpfc_debugfs_nvmestat_open(struct inode *inode, struct file *file)
1909 struct lpfc_vport *vport = inode->i_private;
1910 struct lpfc_debug *debug;
1913 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
1917 /* Round to page boundary */
1918 debug->buffer = kmalloc(LPFC_NVMESTAT_SIZE, GFP_KERNEL);
1919 if (!debug->buffer) {
1924 debug->len = lpfc_debugfs_nvmestat_data(vport, debug->buffer,
1925 LPFC_NVMESTAT_SIZE);
1927 debug->i_private = inode->i_private;
1928 file->private_data = debug;
1936 lpfc_debugfs_nvmestat_write(struct file *file, const char __user *buf,
1937 size_t nbytes, loff_t *ppos)
1939 struct lpfc_debug *debug = file->private_data;
1940 struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private;
1941 struct lpfc_hba *phba = vport->phba;
1942 struct lpfc_nvmet_tgtport *tgtp;
1946 if (!phba->targetport)
1952 /* Protect copy from user */
1953 if (!access_ok(VERIFY_READ, buf, nbytes))
1956 memset(mybuf, 0, sizeof(mybuf));
1958 if (copy_from_user(mybuf, buf, nbytes))
1962 tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
1963 if ((strncmp(pbuf, "reset", strlen("reset")) == 0) ||
1964 (strncmp(pbuf, "zero", strlen("zero")) == 0)) {
1965 atomic_set(&tgtp->rcv_ls_req_in, 0);
1966 atomic_set(&tgtp->rcv_ls_req_out, 0);
1967 atomic_set(&tgtp->rcv_ls_req_drop, 0);
1968 atomic_set(&tgtp->xmt_ls_abort, 0);
1969 atomic_set(&tgtp->xmt_ls_abort_cmpl, 0);
1970 atomic_set(&tgtp->xmt_ls_rsp, 0);
1971 atomic_set(&tgtp->xmt_ls_drop, 0);
1972 atomic_set(&tgtp->xmt_ls_rsp_error, 0);
1973 atomic_set(&tgtp->xmt_ls_rsp_cmpl, 0);
1975 atomic_set(&tgtp->rcv_fcp_cmd_in, 0);
1976 atomic_set(&tgtp->rcv_fcp_cmd_out, 0);
1977 atomic_set(&tgtp->rcv_fcp_cmd_drop, 0);
1978 atomic_set(&tgtp->xmt_fcp_drop, 0);
1979 atomic_set(&tgtp->xmt_fcp_read_rsp, 0);
1980 atomic_set(&tgtp->xmt_fcp_read, 0);
1981 atomic_set(&tgtp->xmt_fcp_write, 0);
1982 atomic_set(&tgtp->xmt_fcp_rsp, 0);
1983 atomic_set(&tgtp->xmt_fcp_release, 0);
1984 atomic_set(&tgtp->xmt_fcp_rsp_cmpl, 0);
1985 atomic_set(&tgtp->xmt_fcp_rsp_error, 0);
1986 atomic_set(&tgtp->xmt_fcp_rsp_drop, 0);
1988 atomic_set(&tgtp->xmt_fcp_abort, 0);
1989 atomic_set(&tgtp->xmt_fcp_abort_cmpl, 0);
1990 atomic_set(&tgtp->xmt_abort_sol, 0);
1991 atomic_set(&tgtp->xmt_abort_unsol, 0);
1992 atomic_set(&tgtp->xmt_abort_rsp, 0);
1993 atomic_set(&tgtp->xmt_abort_rsp_error, 0);
1999 lpfc_debugfs_nvmektime_open(struct inode *inode, struct file *file)
2001 struct lpfc_vport *vport = inode->i_private;
2002 struct lpfc_debug *debug;
2005 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
2009 /* Round to page boundary */
2010 debug->buffer = kmalloc(LPFC_NVMEKTIME_SIZE, GFP_KERNEL);
2011 if (!debug->buffer) {
2016 debug->len = lpfc_debugfs_nvmektime_data(vport, debug->buffer,
2017 LPFC_NVMEKTIME_SIZE);
2019 debug->i_private = inode->i_private;
2020 file->private_data = debug;
2028 lpfc_debugfs_nvmektime_write(struct file *file, const char __user *buf,
2029 size_t nbytes, loff_t *ppos)
2031 struct lpfc_debug *debug = file->private_data;
2032 struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private;
2033 struct lpfc_hba *phba = vport->phba;
2040 /* Protect copy from user */
2041 if (!access_ok(VERIFY_READ, buf, nbytes))
2044 memset(mybuf, 0, sizeof(mybuf));
2046 if (copy_from_user(mybuf, buf, nbytes))
2050 if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) {
2051 phba->ktime_data_samples = 0;
2052 phba->ktime_status_samples = 0;
2053 phba->ktime_seg1_total = 0;
2054 phba->ktime_seg1_max = 0;
2055 phba->ktime_seg1_min = 0xffffffff;
2056 phba->ktime_seg2_total = 0;
2057 phba->ktime_seg2_max = 0;
2058 phba->ktime_seg2_min = 0xffffffff;
2059 phba->ktime_seg3_total = 0;
2060 phba->ktime_seg3_max = 0;
2061 phba->ktime_seg3_min = 0xffffffff;
2062 phba->ktime_seg4_total = 0;
2063 phba->ktime_seg4_max = 0;
2064 phba->ktime_seg4_min = 0xffffffff;
2065 phba->ktime_seg5_total = 0;
2066 phba->ktime_seg5_max = 0;
2067 phba->ktime_seg5_min = 0xffffffff;
2068 phba->ktime_seg6_total = 0;
2069 phba->ktime_seg6_max = 0;
2070 phba->ktime_seg6_min = 0xffffffff;
2071 phba->ktime_seg7_total = 0;
2072 phba->ktime_seg7_max = 0;
2073 phba->ktime_seg7_min = 0xffffffff;
2074 phba->ktime_seg8_total = 0;
2075 phba->ktime_seg8_max = 0;
2076 phba->ktime_seg8_min = 0xffffffff;
2077 phba->ktime_seg9_total = 0;
2078 phba->ktime_seg9_max = 0;
2079 phba->ktime_seg9_min = 0xffffffff;
2080 phba->ktime_seg10_total = 0;
2081 phba->ktime_seg10_max = 0;
2082 phba->ktime_seg10_min = 0xffffffff;
2085 return strlen(pbuf);
2086 } else if ((strncmp(pbuf, "off",
2087 sizeof("off") - 1) == 0)) {
2089 return strlen(pbuf);
2090 } else if ((strncmp(pbuf, "zero",
2091 sizeof("zero") - 1) == 0)) {
2092 phba->ktime_data_samples = 0;
2093 phba->ktime_status_samples = 0;
2094 phba->ktime_seg1_total = 0;
2095 phba->ktime_seg1_max = 0;
2096 phba->ktime_seg1_min = 0xffffffff;
2097 phba->ktime_seg2_total = 0;
2098 phba->ktime_seg2_max = 0;
2099 phba->ktime_seg2_min = 0xffffffff;
2100 phba->ktime_seg3_total = 0;
2101 phba->ktime_seg3_max = 0;
2102 phba->ktime_seg3_min = 0xffffffff;
2103 phba->ktime_seg4_total = 0;
2104 phba->ktime_seg4_max = 0;
2105 phba->ktime_seg4_min = 0xffffffff;
2106 phba->ktime_seg5_total = 0;
2107 phba->ktime_seg5_max = 0;
2108 phba->ktime_seg5_min = 0xffffffff;
2109 phba->ktime_seg6_total = 0;
2110 phba->ktime_seg6_max = 0;
2111 phba->ktime_seg6_min = 0xffffffff;
2112 phba->ktime_seg7_total = 0;
2113 phba->ktime_seg7_max = 0;
2114 phba->ktime_seg7_min = 0xffffffff;
2115 phba->ktime_seg8_total = 0;
2116 phba->ktime_seg8_max = 0;
2117 phba->ktime_seg8_min = 0xffffffff;
2118 phba->ktime_seg9_total = 0;
2119 phba->ktime_seg9_max = 0;
2120 phba->ktime_seg9_min = 0xffffffff;
2121 phba->ktime_seg10_total = 0;
2122 phba->ktime_seg10_max = 0;
2123 phba->ktime_seg10_min = 0xffffffff;
2124 return strlen(pbuf);
2130 lpfc_debugfs_nvmeio_trc_open(struct inode *inode, struct file *file)
2132 struct lpfc_hba *phba = inode->i_private;
2133 struct lpfc_debug *debug;
2136 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
2140 /* Round to page boundary */
2141 debug->buffer = kmalloc(LPFC_NVMEIO_TRC_SIZE, GFP_KERNEL);
2142 if (!debug->buffer) {
2147 debug->len = lpfc_debugfs_nvmeio_trc_data(phba, debug->buffer,
2148 LPFC_NVMEIO_TRC_SIZE);
2150 debug->i_private = inode->i_private;
2151 file->private_data = debug;
2159 lpfc_debugfs_nvmeio_trc_write(struct file *file, const char __user *buf,
2160 size_t nbytes, loff_t *ppos)
2162 struct lpfc_debug *debug = file->private_data;
2163 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
2172 /* Protect copy from user */
2173 if (!access_ok(VERIFY_READ, buf, nbytes))
2176 memset(mybuf, 0, sizeof(mybuf));
2178 if (copy_from_user(mybuf, buf, nbytes))
2182 if ((strncmp(pbuf, "off", sizeof("off") - 1) == 0)) {
2183 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2184 "0570 nvmeio_trc_off\n");
2185 phba->nvmeio_trc_output_idx = 0;
2186 phba->nvmeio_trc_on = 0;
2187 return strlen(pbuf);
2188 } else if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) {
2189 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2190 "0571 nvmeio_trc_on\n");
2191 phba->nvmeio_trc_output_idx = 0;
2192 phba->nvmeio_trc_on = 1;
2193 return strlen(pbuf);
2196 /* We must be off to allocate the trace buffer */
2197 if (phba->nvmeio_trc_on != 0)
2200 /* If not on or off, the parameter is the trace buffer size */
2201 i = kstrtoul(pbuf, 0, &sz);
2204 phba->nvmeio_trc_size = (uint32_t)sz;
2206 /* It must be a power of 2 - round down */
2213 if (phba->nvmeio_trc_size != sz)
2214 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2215 "0572 nvmeio_trc_size changed to %ld\n",
2217 phba->nvmeio_trc_size = (uint32_t)sz;
2219 /* If one previously exists, free it */
2220 kfree(phba->nvmeio_trc);
2222 /* Allocate new trace buffer and initialize */
2223 phba->nvmeio_trc = kmalloc((sizeof(struct lpfc_debugfs_nvmeio_trc) *
2225 if (!phba->nvmeio_trc) {
2226 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2227 "0573 Cannot create debugfs "
2228 "nvmeio_trc buffer\n");
2231 memset(phba->nvmeio_trc, 0,
2232 (sizeof(struct lpfc_debugfs_nvmeio_trc) * sz));
2233 atomic_set(&phba->nvmeio_trc_cnt, 0);
2234 phba->nvmeio_trc_on = 0;
2235 phba->nvmeio_trc_output_idx = 0;
2237 return strlen(pbuf);
2241 lpfc_debugfs_cpucheck_open(struct inode *inode, struct file *file)
2243 struct lpfc_vport *vport = inode->i_private;
2244 struct lpfc_debug *debug;
2247 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
2251 /* Round to page boundary */
2252 debug->buffer = kmalloc(LPFC_CPUCHECK_SIZE, GFP_KERNEL);
2253 if (!debug->buffer) {
2258 debug->len = lpfc_debugfs_cpucheck_data(vport, debug->buffer,
2259 LPFC_NVMEKTIME_SIZE);
2261 debug->i_private = inode->i_private;
2262 file->private_data = debug;
2270 lpfc_debugfs_cpucheck_write(struct file *file, const char __user *buf,
2271 size_t nbytes, loff_t *ppos)
2273 struct lpfc_debug *debug = file->private_data;
2274 struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private;
2275 struct lpfc_hba *phba = vport->phba;
2283 /* Protect copy from user */
2284 if (!access_ok(VERIFY_READ, buf, nbytes))
2287 memset(mybuf, 0, sizeof(mybuf));
2289 if (copy_from_user(mybuf, buf, nbytes))
2293 if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) {
2294 if (phba->nvmet_support)
2295 phba->cpucheck_on |= LPFC_CHECK_NVMET_IO;
2297 phba->cpucheck_on |= LPFC_CHECK_NVME_IO;
2298 return strlen(pbuf);
2299 } else if ((strncmp(pbuf, "rcv",
2300 sizeof("rcv") - 1) == 0)) {
2301 if (phba->nvmet_support)
2302 phba->cpucheck_on |= LPFC_CHECK_NVMET_RCV;
2305 return strlen(pbuf);
2306 } else if ((strncmp(pbuf, "off",
2307 sizeof("off") - 1) == 0)) {
2308 phba->cpucheck_on = LPFC_CHECK_OFF;
2309 return strlen(pbuf);
2310 } else if ((strncmp(pbuf, "zero",
2311 sizeof("zero") - 1) == 0)) {
2312 for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
2313 if (i >= LPFC_CHECK_CPU_CNT)
2315 phba->cpucheck_rcv_io[i] = 0;
2316 phba->cpucheck_xmt_io[i] = 0;
2317 phba->cpucheck_cmpl_io[i] = 0;
2318 phba->cpucheck_ccmpl_io[i] = 0;
2320 return strlen(pbuf);
2326 * ---------------------------------
2327 * iDiag debugfs file access methods
2328 * ---------------------------------
2330 * All access methods are through the proper SLI4 PCI function's debugfs
2333 * /sys/kernel/debug/lpfc/fn<#>/iDiag
2337 * lpfc_idiag_cmd_get - Get and parse idiag debugfs comands from user space
2338 * @buf: The pointer to the user space buffer.
2339 * @nbytes: The number of bytes in the user space buffer.
2340 * @idiag_cmd: pointer to the idiag command struct.
2342 * This routine reads data from debugfs user space buffer and parses the
2343 * buffer for getting the idiag command and arguments. The while space in
2344 * between the set of data is used as the parsing separator.
2346 * This routine returns 0 when successful, it returns proper error code
2347 * back to the user space in error conditions.
2349 static int lpfc_idiag_cmd_get(const char __user *buf, size_t nbytes,
2350 struct lpfc_idiag_cmd *idiag_cmd)
2353 char *pbuf, *step_str;
2357 /* Protect copy from user */
2358 if (!access_ok(VERIFY_READ, buf, nbytes))
2361 memset(mybuf, 0, sizeof(mybuf));
2362 memset(idiag_cmd, 0, sizeof(*idiag_cmd));
2363 bsize = min(nbytes, (sizeof(mybuf)-1));
2365 if (copy_from_user(mybuf, buf, bsize))
2368 step_str = strsep(&pbuf, "\t ");
2370 /* The opcode must present */
2374 idiag_cmd->opcode = simple_strtol(step_str, NULL, 0);
2375 if (idiag_cmd->opcode == 0)
2378 for (i = 0; i < LPFC_IDIAG_CMD_DATA_SIZE; i++) {
2379 step_str = strsep(&pbuf, "\t ");
2382 idiag_cmd->data[i] = simple_strtol(step_str, NULL, 0);
2388 * lpfc_idiag_open - idiag open debugfs
2389 * @inode: The inode pointer that contains a pointer to phba.
2390 * @file: The file pointer to attach the file operation.
2393 * This routine is the entry point for the debugfs open file operation. It
2394 * gets the reference to phba from the i_private field in @inode, it then
2395 * allocates buffer for the file operation, performs the necessary PCI config
2396 * space read into the allocated buffer according to the idiag user command
2397 * setup, and then returns a pointer to buffer in the private_data field in
2401 * This function returns zero if successful. On error it will return an
2402 * negative error value.
2405 lpfc_idiag_open(struct inode *inode, struct file *file)
2407 struct lpfc_debug *debug;
2409 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
2413 debug->i_private = inode->i_private;
2414 debug->buffer = NULL;
2415 file->private_data = debug;
2421 * lpfc_idiag_release - Release idiag access file operation
2422 * @inode: The inode pointer that contains a vport pointer. (unused)
2423 * @file: The file pointer that contains the buffer to release.
2426 * This routine is the generic release routine for the idiag access file
2427 * operation, it frees the buffer that was allocated when the debugfs file
2431 * This function returns zero.
2434 lpfc_idiag_release(struct inode *inode, struct file *file)
2436 struct lpfc_debug *debug = file->private_data;
2438 /* Free the buffers to the file operation */
2439 kfree(debug->buffer);
2446 * lpfc_idiag_cmd_release - Release idiag cmd access file operation
2447 * @inode: The inode pointer that contains a vport pointer. (unused)
2448 * @file: The file pointer that contains the buffer to release.
2451 * This routine frees the buffer that was allocated when the debugfs file
2452 * was opened. It also reset the fields in the idiag command struct in the
2453 * case of command for write operation.
2456 * This function returns zero.
2459 lpfc_idiag_cmd_release(struct inode *inode, struct file *file)
2461 struct lpfc_debug *debug = file->private_data;
2463 if (debug->op == LPFC_IDIAG_OP_WR) {
2464 switch (idiag.cmd.opcode) {
2465 case LPFC_IDIAG_CMD_PCICFG_WR:
2466 case LPFC_IDIAG_CMD_PCICFG_ST:
2467 case LPFC_IDIAG_CMD_PCICFG_CL:
2468 case LPFC_IDIAG_CMD_QUEACC_WR:
2469 case LPFC_IDIAG_CMD_QUEACC_ST:
2470 case LPFC_IDIAG_CMD_QUEACC_CL:
2471 memset(&idiag, 0, sizeof(idiag));
2478 /* Free the buffers to the file operation */
2479 kfree(debug->buffer);
2486 * lpfc_idiag_pcicfg_read - idiag debugfs read pcicfg
2487 * @file: The file pointer to read from.
2488 * @buf: The buffer to copy the data to.
2489 * @nbytes: The number of bytes to read.
2490 * @ppos: The position in the file to start reading from.
2493 * This routine reads data from the @phba pci config space according to the
2494 * idiag command, and copies to user @buf. Depending on the PCI config space
2495 * read command setup, it does either a single register read of a byte
2496 * (8 bits), a word (16 bits), or a dword (32 bits) or browsing through all
2497 * registers from the 4K extended PCI config space.
2500 * This function returns the amount of data that was read (this could be less
2501 * than @nbytes if the end of the file was reached) or a negative error value.
2504 lpfc_idiag_pcicfg_read(struct file *file, char __user *buf, size_t nbytes,
2507 struct lpfc_debug *debug = file->private_data;
2508 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
2509 int offset_label, offset, len = 0, index = LPFC_PCI_CFG_RD_SIZE;
2512 struct pci_dev *pdev;
2517 pdev = phba->pcidev;
2521 /* This is a user read operation */
2522 debug->op = LPFC_IDIAG_OP_RD;
2525 debug->buffer = kmalloc(LPFC_PCI_CFG_SIZE, GFP_KERNEL);
2528 pbuffer = debug->buffer;
2533 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) {
2534 where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX];
2535 count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX];
2539 /* Read single PCI config space register */
2541 case SIZE_U8: /* byte (8 bits) */
2542 pci_read_config_byte(pdev, where, &u8val);
2543 len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
2544 "%03x: %02x\n", where, u8val);
2546 case SIZE_U16: /* word (16 bits) */
2547 pci_read_config_word(pdev, where, &u16val);
2548 len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
2549 "%03x: %04x\n", where, u16val);
2551 case SIZE_U32: /* double word (32 bits) */
2552 pci_read_config_dword(pdev, where, &u32val);
2553 len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
2554 "%03x: %08x\n", where, u32val);
2556 case LPFC_PCI_CFG_BROWSE: /* browse all */
2564 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
2568 /* Browse all PCI config space registers */
2569 offset_label = idiag.offset.last_rd;
2570 offset = offset_label;
2572 /* Read PCI config space */
2573 len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
2574 "%03x: ", offset_label);
2576 pci_read_config_dword(pdev, offset, &u32val);
2577 len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
2579 offset += sizeof(uint32_t);
2580 if (offset >= LPFC_PCI_CFG_SIZE) {
2581 len += snprintf(pbuffer+len,
2582 LPFC_PCI_CFG_SIZE-len, "\n");
2585 index -= sizeof(uint32_t);
2587 len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
2589 else if (!(index % (8 * sizeof(uint32_t)))) {
2590 offset_label += (8 * sizeof(uint32_t));
2591 len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
2592 "\n%03x: ", offset_label);
2596 /* Set up the offset for next portion of pci cfg read */
2598 idiag.offset.last_rd += LPFC_PCI_CFG_RD_SIZE;
2599 if (idiag.offset.last_rd >= LPFC_PCI_CFG_SIZE)
2600 idiag.offset.last_rd = 0;
2602 idiag.offset.last_rd = 0;
2604 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
2608 * lpfc_idiag_pcicfg_write - Syntax check and set up idiag pcicfg commands
2609 * @file: The file pointer to read from.
2610 * @buf: The buffer to copy the user data from.
2611 * @nbytes: The number of bytes to get.
2612 * @ppos: The position in the file to start reading from.
2614 * This routine get the debugfs idiag command struct from user space and
2615 * then perform the syntax check for PCI config space read or write command
2616 * accordingly. In the case of PCI config space read command, it sets up
2617 * the command in the idiag command struct for the debugfs read operation.
2618 * In the case of PCI config space write operation, it executes the write
2619 * operation into the PCI config space accordingly.
2621 * It returns the @nbytges passing in from debugfs user space when successful.
2622 * In case of error conditions, it returns proper error code back to the user
2626 lpfc_idiag_pcicfg_write(struct file *file, const char __user *buf,
2627 size_t nbytes, loff_t *ppos)
2629 struct lpfc_debug *debug = file->private_data;
2630 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
2631 uint32_t where, value, count;
2635 struct pci_dev *pdev;
2638 pdev = phba->pcidev;
2642 /* This is a user write operation */
2643 debug->op = LPFC_IDIAG_OP_WR;
2645 rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
2649 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) {
2650 /* Sanity check on PCI config read command line arguments */
2651 if (rc != LPFC_PCI_CFG_RD_CMD_ARG)
2653 /* Read command from PCI config space, set up command fields */
2654 where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX];
2655 count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX];
2656 if (count == LPFC_PCI_CFG_BROWSE) {
2657 if (where % sizeof(uint32_t))
2659 /* Starting offset to browse */
2660 idiag.offset.last_rd = where;
2661 } else if ((count != sizeof(uint8_t)) &&
2662 (count != sizeof(uint16_t)) &&
2663 (count != sizeof(uint32_t)))
2665 if (count == sizeof(uint8_t)) {
2666 if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t))
2668 if (where % sizeof(uint8_t))
2671 if (count == sizeof(uint16_t)) {
2672 if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t))
2674 if (where % sizeof(uint16_t))
2677 if (count == sizeof(uint32_t)) {
2678 if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t))
2680 if (where % sizeof(uint32_t))
2683 } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR ||
2684 idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST ||
2685 idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
2686 /* Sanity check on PCI config write command line arguments */
2687 if (rc != LPFC_PCI_CFG_WR_CMD_ARG)
2689 /* Write command to PCI config space, read-modify-write */
2690 where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX];
2691 count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX];
2692 value = idiag.cmd.data[IDIAG_PCICFG_VALUE_INDX];
2694 if ((count != sizeof(uint8_t)) &&
2695 (count != sizeof(uint16_t)) &&
2696 (count != sizeof(uint32_t)))
2698 if (count == sizeof(uint8_t)) {
2699 if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t))
2701 if (where % sizeof(uint8_t))
2703 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR)
2704 pci_write_config_byte(pdev, where,
2706 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) {
2707 rc = pci_read_config_byte(pdev, where, &u8val);
2709 u8val |= (uint8_t)value;
2710 pci_write_config_byte(pdev, where,
2714 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
2715 rc = pci_read_config_byte(pdev, where, &u8val);
2717 u8val &= (uint8_t)(~value);
2718 pci_write_config_byte(pdev, where,
2723 if (count == sizeof(uint16_t)) {
2724 if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t))
2726 if (where % sizeof(uint16_t))
2728 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR)
2729 pci_write_config_word(pdev, where,
2731 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) {
2732 rc = pci_read_config_word(pdev, where, &u16val);
2734 u16val |= (uint16_t)value;
2735 pci_write_config_word(pdev, where,
2739 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
2740 rc = pci_read_config_word(pdev, where, &u16val);
2742 u16val &= (uint16_t)(~value);
2743 pci_write_config_word(pdev, where,
2748 if (count == sizeof(uint32_t)) {
2749 if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t))
2751 if (where % sizeof(uint32_t))
2753 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR)
2754 pci_write_config_dword(pdev, where, value);
2755 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) {
2756 rc = pci_read_config_dword(pdev, where,
2760 pci_write_config_dword(pdev, where,
2764 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
2765 rc = pci_read_config_dword(pdev, where,
2769 pci_write_config_dword(pdev, where,
2775 /* All other opecodes are illegal for now */
2780 memset(&idiag, 0, sizeof(idiag));
2785 * lpfc_idiag_baracc_read - idiag debugfs pci bar access read
2786 * @file: The file pointer to read from.
2787 * @buf: The buffer to copy the data to.
2788 * @nbytes: The number of bytes to read.
2789 * @ppos: The position in the file to start reading from.
2792 * This routine reads data from the @phba pci bar memory mapped space
2793 * according to the idiag command, and copies to user @buf.
2796 * This function returns the amount of data that was read (this could be less
2797 * than @nbytes if the end of the file was reached) or a negative error value.
2800 lpfc_idiag_baracc_read(struct file *file, char __user *buf, size_t nbytes,
2803 struct lpfc_debug *debug = file->private_data;
2804 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
2805 int offset_label, offset, offset_run, len = 0, index;
2806 int bar_num, acc_range, bar_size;
2808 void __iomem *mem_mapped_bar;
2810 struct pci_dev *pdev;
2813 pdev = phba->pcidev;
2817 /* This is a user read operation */
2818 debug->op = LPFC_IDIAG_OP_RD;
2821 debug->buffer = kmalloc(LPFC_PCI_BAR_RD_BUF_SIZE, GFP_KERNEL);
2824 pbuffer = debug->buffer;
2829 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) {
2830 bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX];
2831 offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX];
2832 acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX];
2833 bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX];
2840 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
2841 if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
2842 if (bar_num == IDIAG_BARACC_BAR_0)
2843 mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
2844 else if (bar_num == IDIAG_BARACC_BAR_1)
2845 mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p;
2846 else if (bar_num == IDIAG_BARACC_BAR_2)
2847 mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p;
2850 } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
2851 if (bar_num == IDIAG_BARACC_BAR_0)
2852 mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
2858 /* Read single PCI bar space register */
2859 if (acc_range == SINGLE_WORD) {
2860 offset_run = offset;
2861 u32val = readl(mem_mapped_bar + offset_run);
2862 len += snprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len,
2863 "%05x: %08x\n", offset_run, u32val);
2867 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
2871 /* Browse all PCI bar space registers */
2872 offset_label = idiag.offset.last_rd;
2873 offset_run = offset_label;
2875 /* Read PCI bar memory mapped space */
2876 len += snprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len,
2877 "%05x: ", offset_label);
2878 index = LPFC_PCI_BAR_RD_SIZE;
2880 u32val = readl(mem_mapped_bar + offset_run);
2881 len += snprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len,
2883 offset_run += sizeof(uint32_t);
2884 if (acc_range == LPFC_PCI_BAR_BROWSE) {
2885 if (offset_run >= bar_size) {
2886 len += snprintf(pbuffer+len,
2887 LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n");
2891 if (offset_run >= offset +
2892 (acc_range * sizeof(uint32_t))) {
2893 len += snprintf(pbuffer+len,
2894 LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n");
2898 index -= sizeof(uint32_t);
2900 len += snprintf(pbuffer+len,
2901 LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n");
2902 else if (!(index % (8 * sizeof(uint32_t)))) {
2903 offset_label += (8 * sizeof(uint32_t));
2904 len += snprintf(pbuffer+len,
2905 LPFC_PCI_BAR_RD_BUF_SIZE-len,
2906 "\n%05x: ", offset_label);
2910 /* Set up the offset for next portion of pci bar read */
2912 idiag.offset.last_rd += LPFC_PCI_BAR_RD_SIZE;
2913 if (acc_range == LPFC_PCI_BAR_BROWSE) {
2914 if (idiag.offset.last_rd >= bar_size)
2915 idiag.offset.last_rd = 0;
2917 if (offset_run >= offset +
2918 (acc_range * sizeof(uint32_t)))
2919 idiag.offset.last_rd = offset;
2922 if (acc_range == LPFC_PCI_BAR_BROWSE)
2923 idiag.offset.last_rd = 0;
2925 idiag.offset.last_rd = offset;
2928 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
2932 * lpfc_idiag_baracc_write - Syntax check and set up idiag bar access commands
2933 * @file: The file pointer to read from.
2934 * @buf: The buffer to copy the user data from.
2935 * @nbytes: The number of bytes to get.
2936 * @ppos: The position in the file to start reading from.
2938 * This routine get the debugfs idiag command struct from user space and
2939 * then perform the syntax check for PCI bar memory mapped space read or
2940 * write command accordingly. In the case of PCI bar memory mapped space
2941 * read command, it sets up the command in the idiag command struct for
2942 * the debugfs read operation. In the case of PCI bar memorpy mapped space
2943 * write operation, it executes the write operation into the PCI bar memory
2944 * mapped space accordingly.
2946 * It returns the @nbytges passing in from debugfs user space when successful.
2947 * In case of error conditions, it returns proper error code back to the user
2951 lpfc_idiag_baracc_write(struct file *file, const char __user *buf,
2952 size_t nbytes, loff_t *ppos)
2954 struct lpfc_debug *debug = file->private_data;
2955 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
2956 uint32_t bar_num, bar_size, offset, value, acc_range;
2957 struct pci_dev *pdev;
2958 void __iomem *mem_mapped_bar;
2963 pdev = phba->pcidev;
2967 /* This is a user write operation */
2968 debug->op = LPFC_IDIAG_OP_WR;
2970 rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
2974 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
2975 bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX];
2977 if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
2978 if ((bar_num != IDIAG_BARACC_BAR_0) &&
2979 (bar_num != IDIAG_BARACC_BAR_1) &&
2980 (bar_num != IDIAG_BARACC_BAR_2))
2982 } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
2983 if (bar_num != IDIAG_BARACC_BAR_0)
2988 if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
2989 if (bar_num == IDIAG_BARACC_BAR_0) {
2990 idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
2991 LPFC_PCI_IF0_BAR0_SIZE;
2992 mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
2993 } else if (bar_num == IDIAG_BARACC_BAR_1) {
2994 idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
2995 LPFC_PCI_IF0_BAR1_SIZE;
2996 mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p;
2997 } else if (bar_num == IDIAG_BARACC_BAR_2) {
2998 idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
2999 LPFC_PCI_IF0_BAR2_SIZE;
3000 mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p;
3003 } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
3004 if (bar_num == IDIAG_BARACC_BAR_0) {
3005 idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
3006 LPFC_PCI_IF2_BAR0_SIZE;
3007 mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
3013 offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX];
3014 if (offset % sizeof(uint32_t))
3017 bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX];
3018 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) {
3019 /* Sanity check on PCI config read command line arguments */
3020 if (rc != LPFC_PCI_BAR_RD_CMD_ARG)
3022 acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX];
3023 if (acc_range == LPFC_PCI_BAR_BROWSE) {
3024 if (offset > bar_size - sizeof(uint32_t))
3026 /* Starting offset to browse */
3027 idiag.offset.last_rd = offset;
3028 } else if (acc_range > SINGLE_WORD) {
3029 if (offset + acc_range * sizeof(uint32_t) > bar_size)
3031 /* Starting offset to browse */
3032 idiag.offset.last_rd = offset;
3033 } else if (acc_range != SINGLE_WORD)
3035 } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR ||
3036 idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST ||
3037 idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) {
3038 /* Sanity check on PCI bar write command line arguments */
3039 if (rc != LPFC_PCI_BAR_WR_CMD_ARG)
3041 /* Write command to PCI bar space, read-modify-write */
3042 acc_range = SINGLE_WORD;
3043 value = idiag.cmd.data[IDIAG_BARACC_REG_VAL_INDX];
3044 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR) {
3045 writel(value, mem_mapped_bar + offset);
3046 readl(mem_mapped_bar + offset);
3048 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST) {
3049 u32val = readl(mem_mapped_bar + offset);
3051 writel(u32val, mem_mapped_bar + offset);
3052 readl(mem_mapped_bar + offset);
3054 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) {
3055 u32val = readl(mem_mapped_bar + offset);
3057 writel(u32val, mem_mapped_bar + offset);
3058 readl(mem_mapped_bar + offset);
3061 /* All other opecodes are illegal for now */
3066 memset(&idiag, 0, sizeof(idiag));
3071 __lpfc_idiag_print_wq(struct lpfc_queue *qp, char *wqtype,
3072 char *pbuffer, int len)
3077 len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3078 "\t\t%s WQ info: ", wqtype);
3079 len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3080 "AssocCQID[%04d]: WQ-STAT[oflow:x%x posted:x%llx]\n",
3081 qp->assoc_qid, qp->q_cnt_1,
3082 (unsigned long long)qp->q_cnt_4);
3083 len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3084 "\t\tWQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
3085 "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]",
3086 qp->queue_id, qp->entry_count,
3087 qp->entry_size, qp->host_index,
3088 qp->hba_index, qp->entry_repost);
3089 len += snprintf(pbuffer + len,
3090 LPFC_QUE_INFO_GET_BUF_SIZE - len, "\n");
3095 lpfc_idiag_wqs_for_cq(struct lpfc_hba *phba, char *wqtype, char *pbuffer,
3096 int *len, int max_cnt, int cq_id)
3098 struct lpfc_queue *qp;
3101 for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) {
3102 qp = phba->sli4_hba.fcp_wq[qidx];
3103 if (qp->assoc_qid != cq_id)
3105 *len = __lpfc_idiag_print_wq(qp, wqtype, pbuffer, *len);
3106 if (*len >= max_cnt)
3109 for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) {
3110 qp = phba->sli4_hba.nvme_wq[qidx];
3111 if (qp->assoc_qid != cq_id)
3113 *len = __lpfc_idiag_print_wq(qp, wqtype, pbuffer, *len);
3114 if (*len >= max_cnt)
3121 __lpfc_idiag_print_cq(struct lpfc_queue *qp, char *cqtype,
3122 char *pbuffer, int len)
3127 len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3128 "\t%s CQ info: ", cqtype);
3129 len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3130 "AssocEQID[%02d]: CQ STAT[max:x%x relw:x%x "
3131 "xabt:x%x wq:x%llx]\n",
3132 qp->assoc_qid, qp->q_cnt_1, qp->q_cnt_2,
3133 qp->q_cnt_3, (unsigned long long)qp->q_cnt_4);
3134 len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3135 "\tCQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
3136 "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]",
3137 qp->queue_id, qp->entry_count,
3138 qp->entry_size, qp->host_index,
3139 qp->hba_index, qp->entry_repost);
3141 len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, "\n");
3147 __lpfc_idiag_print_rqpair(struct lpfc_queue *qp, struct lpfc_queue *datqp,
3148 char *rqtype, char *pbuffer, int len)
3153 len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3154 "\t\t%s RQ info: ", rqtype);
3155 len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3156 "AssocCQID[%02d]: RQ-STAT[nopost:x%x nobuf:x%x "
3157 "posted:x%x rcv:x%llx]\n",
3158 qp->assoc_qid, qp->q_cnt_1, qp->q_cnt_2,
3159 qp->q_cnt_3, (unsigned long long)qp->q_cnt_4);
3160 len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3161 "\t\tHQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
3162 "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]\n",
3163 qp->queue_id, qp->entry_count, qp->entry_size,
3164 qp->host_index, qp->hba_index, qp->entry_repost);
3165 len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3166 "\t\tDQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
3167 "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]\n",
3168 datqp->queue_id, datqp->entry_count,
3169 datqp->entry_size, datqp->host_index,
3170 datqp->hba_index, datqp->entry_repost);
3175 lpfc_idiag_cqs_for_eq(struct lpfc_hba *phba, char *pbuffer,
3176 int *len, int max_cnt, int eqidx, int eq_id)
3178 struct lpfc_queue *qp;
3181 for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) {
3182 qp = phba->sli4_hba.fcp_cq[qidx];
3183 if (qp->assoc_qid != eq_id)
3186 *len = __lpfc_idiag_print_cq(qp, "FCP", pbuffer, *len);
3188 /* Reset max counter */
3191 if (*len >= max_cnt)
3194 rc = lpfc_idiag_wqs_for_cq(phba, "FCP", pbuffer, len,
3195 max_cnt, qp->queue_id);
3200 for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) {
3201 qp = phba->sli4_hba.nvme_cq[qidx];
3202 if (qp->assoc_qid != eq_id)
3205 *len = __lpfc_idiag_print_cq(qp, "NVME", pbuffer, *len);
3207 /* Reset max counter */
3210 if (*len >= max_cnt)
3213 rc = lpfc_idiag_wqs_for_cq(phba, "NVME", pbuffer, len,
3214 max_cnt, qp->queue_id);
3219 if (eqidx < phba->cfg_nvmet_mrq) {
3221 qp = phba->sli4_hba.nvmet_cqset[eqidx];
3222 *len = __lpfc_idiag_print_cq(qp, "NVMET CQset", pbuffer, *len);
3224 /* Reset max counter */
3227 if (*len >= max_cnt)
3231 qp = phba->sli4_hba.nvmet_mrq_hdr[eqidx];
3232 *len = __lpfc_idiag_print_rqpair(qp,
3233 phba->sli4_hba.nvmet_mrq_data[eqidx],
3234 "NVMET MRQ", pbuffer, *len);
3236 if (*len >= max_cnt)
3244 __lpfc_idiag_print_eq(struct lpfc_queue *qp, char *eqtype,
3245 char *pbuffer, int len)
3250 len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3251 "\n%s EQ info: EQ-STAT[max:x%x noE:x%x "
3252 "bs:x%x proc:x%llx]\n",
3253 eqtype, qp->q_cnt_1, qp->q_cnt_2, qp->q_cnt_3,
3254 (unsigned long long)qp->q_cnt_4);
3255 len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3256 "EQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
3257 "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]",
3258 qp->queue_id, qp->entry_count, qp->entry_size,
3259 qp->host_index, qp->hba_index, qp->entry_repost);
3260 len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, "\n");
3266 * lpfc_idiag_queinfo_read - idiag debugfs read queue information
3267 * @file: The file pointer to read from.
3268 * @buf: The buffer to copy the data to.
3269 * @nbytes: The number of bytes to read.
3270 * @ppos: The position in the file to start reading from.
3273 * This routine reads data from the @phba SLI4 PCI function queue information,
3274 * and copies to user @buf.
3275 * This routine only returns 1 EQs worth of information. It remembers the last
3276 * EQ read and jumps to the next EQ. Thus subsequent calls to queInfo will
3277 * retrieve all EQs allocated for the phba.
3280 * This function returns the amount of data that was read (this could be less
3281 * than @nbytes if the end of the file was reached) or a negative error value.
3284 lpfc_idiag_queinfo_read(struct file *file, char __user *buf, size_t nbytes,
3287 struct lpfc_debug *debug = file->private_data;
3288 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
3290 int max_cnt, rc, x, len = 0;
3291 struct lpfc_queue *qp = NULL;
3294 debug->buffer = kmalloc(LPFC_QUE_INFO_GET_BUF_SIZE, GFP_KERNEL);
3297 pbuffer = debug->buffer;
3298 max_cnt = LPFC_QUE_INFO_GET_BUF_SIZE - 256;
3303 spin_lock_irq(&phba->hbalock);
3305 /* Fast-path event queue */
3306 if (phba->sli4_hba.hba_eq && phba->io_channel_irqs) {
3308 x = phba->lpfc_idiag_last_eq;
3309 if (phba->cfg_fof && (x >= phba->io_channel_irqs)) {
3310 phba->lpfc_idiag_last_eq = 0;
3313 phba->lpfc_idiag_last_eq++;
3314 if (phba->lpfc_idiag_last_eq >= phba->io_channel_irqs)
3315 if (phba->cfg_fof == 0)
3316 phba->lpfc_idiag_last_eq = 0;
3318 len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
3319 "EQ %d out of %d HBA EQs\n",
3320 x, phba->io_channel_irqs);
3323 qp = phba->sli4_hba.hba_eq[x];
3327 len = __lpfc_idiag_print_eq(qp, "HBA", pbuffer, len);
3329 /* Reset max counter */
3335 /* will dump both fcp and nvme cqs/wqs for the eq */
3336 rc = lpfc_idiag_cqs_for_eq(phba, pbuffer, &len,
3337 max_cnt, x, qp->queue_id);
3341 /* Only EQ 0 has slow path CQs configured */
3345 /* Slow-path mailbox CQ */
3346 qp = phba->sli4_hba.mbx_cq;
3347 len = __lpfc_idiag_print_cq(qp, "MBX", pbuffer, len);
3351 /* Slow-path MBOX MQ */
3352 qp = phba->sli4_hba.mbx_wq;
3353 len = __lpfc_idiag_print_wq(qp, "MBX", pbuffer, len);
3357 /* Slow-path ELS response CQ */
3358 qp = phba->sli4_hba.els_cq;
3359 len = __lpfc_idiag_print_cq(qp, "ELS", pbuffer, len);
3360 /* Reset max counter */
3366 /* Slow-path ELS WQ */
3367 qp = phba->sli4_hba.els_wq;
3368 len = __lpfc_idiag_print_wq(qp, "ELS", pbuffer, len);
3372 /* Slow-path NVME LS response CQ */
3373 qp = phba->sli4_hba.nvmels_cq;
3374 len = __lpfc_idiag_print_cq(qp, "NVME LS",
3376 /* Reset max counter */
3382 /* Slow-path NVME LS WQ */
3383 qp = phba->sli4_hba.nvmels_wq;
3384 len = __lpfc_idiag_print_wq(qp, "NVME LS",
3389 qp = phba->sli4_hba.hdr_rq;
3390 len = __lpfc_idiag_print_rqpair(qp, phba->sli4_hba.dat_rq,
3391 "RQpair", pbuffer, len);
3399 if (phba->cfg_fof) {
3401 qp = phba->sli4_hba.fof_eq;
3402 len = __lpfc_idiag_print_eq(qp, "FOF", pbuffer, len);
3404 /* Reset max counter */
3412 qp = phba->sli4_hba.oas_cq;
3413 len = __lpfc_idiag_print_cq(qp, "OAS", pbuffer, len);
3414 /* Reset max counter */
3421 qp = phba->sli4_hba.oas_wq;
3422 len = __lpfc_idiag_print_wq(qp, "OAS", pbuffer, len);
3427 spin_unlock_irq(&phba->hbalock);
3428 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
3431 len += snprintf(pbuffer + len,
3432 LPFC_QUE_INFO_GET_BUF_SIZE - len, "Truncated ...\n");
3434 spin_unlock_irq(&phba->hbalock);
3435 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
3439 * lpfc_idiag_que_param_check - queue access command parameter sanity check
3440 * @q: The pointer to queue structure.
3441 * @index: The index into a queue entry.
3442 * @count: The number of queue entries to access.
3445 * The routine performs sanity check on device queue access method commands.
3448 * This function returns -EINVAL when fails the sanity check, otherwise, it
3452 lpfc_idiag_que_param_check(struct lpfc_queue *q, int index, int count)
3454 /* Only support single entry read or browsing */
3455 if ((count != 1) && (count != LPFC_QUE_ACC_BROWSE))
3457 if (index > q->entry_count - 1)
3463 * lpfc_idiag_queacc_read_qe - read a single entry from the given queue index
3464 * @pbuffer: The pointer to buffer to copy the read data into.
3465 * @pque: The pointer to the queue to be read.
3466 * @index: The index into the queue entry.
3469 * This routine reads out a single entry from the given queue's index location
3470 * and copies it into the buffer provided.
3473 * This function returns 0 when it fails, otherwise, it returns the length of
3474 * the data read into the buffer provided.
3477 lpfc_idiag_queacc_read_qe(char *pbuffer, int len, struct lpfc_queue *pque,
3483 if (!pbuffer || !pque)
3486 esize = pque->entry_size;
3487 len += snprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len,
3488 "QE-INDEX[%04d]:\n", index);
3491 pentry = pque->qe[index].address;
3493 len += snprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len,
3496 offset += sizeof(uint32_t);
3497 esize -= sizeof(uint32_t);
3498 if (esize > 0 && !(offset % (4 * sizeof(uint32_t))))
3499 len += snprintf(pbuffer+len,
3500 LPFC_QUE_ACC_BUF_SIZE-len, "\n");
3502 len += snprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, "\n");
3508 * lpfc_idiag_queacc_read - idiag debugfs read port queue
3509 * @file: The file pointer to read from.
3510 * @buf: The buffer to copy the data to.
3511 * @nbytes: The number of bytes to read.
3512 * @ppos: The position in the file to start reading from.
3515 * This routine reads data from the @phba device queue memory according to the
3516 * idiag command, and copies to user @buf. Depending on the queue dump read
3517 * command setup, it does either a single queue entry read or browing through
3518 * all entries of the queue.
3521 * This function returns the amount of data that was read (this could be less
3522 * than @nbytes if the end of the file was reached) or a negative error value.
3525 lpfc_idiag_queacc_read(struct file *file, char __user *buf, size_t nbytes,
3528 struct lpfc_debug *debug = file->private_data;
3529 uint32_t last_index, index, count;
3530 struct lpfc_queue *pque = NULL;
3534 /* This is a user read operation */
3535 debug->op = LPFC_IDIAG_OP_RD;
3538 debug->buffer = kmalloc(LPFC_QUE_ACC_BUF_SIZE, GFP_KERNEL);
3541 pbuffer = debug->buffer;
3546 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) {
3547 index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX];
3548 count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX];
3549 pque = (struct lpfc_queue *)idiag.ptr_private;
3553 /* Browse the queue starting from index */
3554 if (count == LPFC_QUE_ACC_BROWSE)
3557 /* Read a single entry from the queue */
3558 len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index);
3560 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
3564 /* Browse all entries from the queue */
3565 last_index = idiag.offset.last_rd;
3568 while (len < LPFC_QUE_ACC_SIZE - pque->entry_size) {
3569 len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index);
3571 if (index > pque->entry_count - 1)
3575 /* Set up the offset for next portion of pci cfg read */
3576 if (index > pque->entry_count - 1)
3578 idiag.offset.last_rd = index;
3580 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
3584 * lpfc_idiag_queacc_write - Syntax check and set up idiag queacc commands
3585 * @file: The file pointer to read from.
3586 * @buf: The buffer to copy the user data from.
3587 * @nbytes: The number of bytes to get.
3588 * @ppos: The position in the file to start reading from.
3590 * This routine get the debugfs idiag command struct from user space and then
3591 * perform the syntax check for port queue read (dump) or write (set) command
3592 * accordingly. In the case of port queue read command, it sets up the command
3593 * in the idiag command struct for the following debugfs read operation. In
3594 * the case of port queue write operation, it executes the write operation
3595 * into the port queue entry accordingly.
3597 * It returns the @nbytges passing in from debugfs user space when successful.
3598 * In case of error conditions, it returns proper error code back to the user
3602 lpfc_idiag_queacc_write(struct file *file, const char __user *buf,
3603 size_t nbytes, loff_t *ppos)
3605 struct lpfc_debug *debug = file->private_data;
3606 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
3607 uint32_t qidx, quetp, queid, index, count, offset, value;
3609 struct lpfc_queue *pque, *qp;
3612 /* This is a user write operation */
3613 debug->op = LPFC_IDIAG_OP_WR;
3615 rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
3619 /* Get and sanity check on command feilds */
3620 quetp = idiag.cmd.data[IDIAG_QUEACC_QUETP_INDX];
3621 queid = idiag.cmd.data[IDIAG_QUEACC_QUEID_INDX];
3622 index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX];
3623 count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX];
3624 offset = idiag.cmd.data[IDIAG_QUEACC_OFFST_INDX];
3625 value = idiag.cmd.data[IDIAG_QUEACC_VALUE_INDX];
3627 /* Sanity check on command line arguments */
3628 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR ||
3629 idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST ||
3630 idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) {
3631 if (rc != LPFC_QUE_ACC_WR_CMD_ARG)
3635 } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) {
3636 if (rc != LPFC_QUE_ACC_RD_CMD_ARG)
3643 /* HBA event queue */
3644 if (phba->sli4_hba.hba_eq) {
3645 for (qidx = 0; qidx < phba->io_channel_irqs; qidx++) {
3646 qp = phba->sli4_hba.hba_eq[qidx];
3647 if (qp && qp->queue_id == queid) {
3649 rc = lpfc_idiag_que_param_check(qp,
3653 idiag.ptr_private = qp;
3661 /* MBX complete queue */
3662 if (phba->sli4_hba.mbx_cq &&
3663 phba->sli4_hba.mbx_cq->queue_id == queid) {
3665 rc = lpfc_idiag_que_param_check(
3666 phba->sli4_hba.mbx_cq, index, count);
3669 idiag.ptr_private = phba->sli4_hba.mbx_cq;
3672 /* ELS complete queue */
3673 if (phba->sli4_hba.els_cq &&
3674 phba->sli4_hba.els_cq->queue_id == queid) {
3676 rc = lpfc_idiag_que_param_check(
3677 phba->sli4_hba.els_cq, index, count);
3680 idiag.ptr_private = phba->sli4_hba.els_cq;
3683 /* NVME LS complete queue */
3684 if (phba->sli4_hba.nvmels_cq &&
3685 phba->sli4_hba.nvmels_cq->queue_id == queid) {
3687 rc = lpfc_idiag_que_param_check(
3688 phba->sli4_hba.nvmels_cq, index, count);
3691 idiag.ptr_private = phba->sli4_hba.nvmels_cq;
3694 /* FCP complete queue */
3695 if (phba->sli4_hba.fcp_cq) {
3696 for (qidx = 0; qidx < phba->cfg_fcp_io_channel;
3698 qp = phba->sli4_hba.fcp_cq[qidx];
3699 if (qp && qp->queue_id == queid) {
3701 rc = lpfc_idiag_que_param_check(
3705 idiag.ptr_private = qp;
3710 /* NVME complete queue */
3711 if (phba->sli4_hba.nvme_cq) {
3714 if (phba->sli4_hba.nvme_cq[qidx] &&
3715 phba->sli4_hba.nvme_cq[qidx]->queue_id ==
3718 rc = lpfc_idiag_que_param_check(
3719 phba->sli4_hba.nvme_cq[qidx],
3724 phba->sli4_hba.nvme_cq[qidx];
3727 } while (++qidx < phba->cfg_nvme_io_channel);
3732 /* MBX work queue */
3733 if (phba->sli4_hba.mbx_wq &&
3734 phba->sli4_hba.mbx_wq->queue_id == queid) {
3736 rc = lpfc_idiag_que_param_check(
3737 phba->sli4_hba.mbx_wq, index, count);
3740 idiag.ptr_private = phba->sli4_hba.mbx_wq;
3746 /* ELS work queue */
3747 if (phba->sli4_hba.els_wq &&
3748 phba->sli4_hba.els_wq->queue_id == queid) {
3750 rc = lpfc_idiag_que_param_check(
3751 phba->sli4_hba.els_wq, index, count);
3754 idiag.ptr_private = phba->sli4_hba.els_wq;
3757 /* NVME LS work queue */
3758 if (phba->sli4_hba.nvmels_wq &&
3759 phba->sli4_hba.nvmels_wq->queue_id == queid) {
3761 rc = lpfc_idiag_que_param_check(
3762 phba->sli4_hba.nvmels_wq, index, count);
3765 idiag.ptr_private = phba->sli4_hba.nvmels_wq;
3768 /* FCP work queue */
3769 if (phba->sli4_hba.fcp_wq) {
3770 for (qidx = 0; qidx < phba->cfg_fcp_io_channel;
3772 qp = phba->sli4_hba.fcp_wq[qidx];
3773 if (qp && qp->queue_id == queid) {
3775 rc = lpfc_idiag_que_param_check(
3779 idiag.ptr_private = qp;
3784 /* NVME work queue */
3785 if (phba->sli4_hba.nvme_wq) {
3786 for (qidx = 0; qidx < phba->cfg_nvme_io_channel;
3788 qp = phba->sli4_hba.nvme_wq[qidx];
3789 if (qp && qp->queue_id == queid) {
3791 rc = lpfc_idiag_que_param_check(
3795 idiag.ptr_private = qp;
3801 /* NVME work queues */
3802 if (phba->sli4_hba.nvme_wq) {
3803 for (qidx = 0; qidx < phba->cfg_nvme_io_channel;
3805 if (!phba->sli4_hba.nvme_wq[qidx])
3807 if (phba->sli4_hba.nvme_wq[qidx]->queue_id ==
3810 rc = lpfc_idiag_que_param_check(
3811 phba->sli4_hba.nvme_wq[qidx],
3816 phba->sli4_hba.nvme_wq[qidx];
3825 if (phba->sli4_hba.hdr_rq &&
3826 phba->sli4_hba.hdr_rq->queue_id == queid) {
3828 rc = lpfc_idiag_que_param_check(
3829 phba->sli4_hba.hdr_rq, index, count);
3832 idiag.ptr_private = phba->sli4_hba.hdr_rq;
3836 if (phba->sli4_hba.dat_rq &&
3837 phba->sli4_hba.dat_rq->queue_id == queid) {
3839 rc = lpfc_idiag_que_param_check(
3840 phba->sli4_hba.dat_rq, index, count);
3843 idiag.ptr_private = phba->sli4_hba.dat_rq;
3855 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) {
3856 if (count == LPFC_QUE_ACC_BROWSE)
3857 idiag.offset.last_rd = index;
3860 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR ||
3861 idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST ||
3862 idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) {
3863 /* Additional sanity checks on write operation */
3864 pque = (struct lpfc_queue *)idiag.ptr_private;
3865 if (offset > pque->entry_size/sizeof(uint32_t) - 1)
3867 pentry = pque->qe[index].address;
3869 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR)
3871 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST)
3873 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL)
3879 /* Clean out command structure on command error out */
3880 memset(&idiag, 0, sizeof(idiag));
3885 * lpfc_idiag_drbacc_read_reg - idiag debugfs read a doorbell register
3886 * @phba: The pointer to hba structure.
3887 * @pbuffer: The pointer to the buffer to copy the data to.
3888 * @len: The lenght of bytes to copied.
3889 * @drbregid: The id to doorbell registers.
3892 * This routine reads a doorbell register and copies its content to the
3893 * user buffer pointed to by @pbuffer.
3896 * This function returns the amount of data that was copied into @pbuffer.
3899 lpfc_idiag_drbacc_read_reg(struct lpfc_hba *phba, char *pbuffer,
3900 int len, uint32_t drbregid)
3908 len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
3909 "EQCQ-DRB-REG: 0x%08x\n",
3910 readl(phba->sli4_hba.EQCQDBregaddr));
3913 len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
3914 "MQ-DRB-REG: 0x%08x\n",
3915 readl(phba->sli4_hba.MQDBregaddr));
3918 len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
3919 "WQ-DRB-REG: 0x%08x\n",
3920 readl(phba->sli4_hba.WQDBregaddr));
3923 len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
3924 "RQ-DRB-REG: 0x%08x\n",
3925 readl(phba->sli4_hba.RQDBregaddr));
3935 * lpfc_idiag_drbacc_read - idiag debugfs read port doorbell
3936 * @file: The file pointer to read from.
3937 * @buf: The buffer to copy the data to.
3938 * @nbytes: The number of bytes to read.
3939 * @ppos: The position in the file to start reading from.
3942 * This routine reads data from the @phba device doorbell register according
3943 * to the idiag command, and copies to user @buf. Depending on the doorbell
3944 * register read command setup, it does either a single doorbell register
3945 * read or dump all doorbell registers.
3948 * This function returns the amount of data that was read (this could be less
3949 * than @nbytes if the end of the file was reached) or a negative error value.
3952 lpfc_idiag_drbacc_read(struct file *file, char __user *buf, size_t nbytes,
3955 struct lpfc_debug *debug = file->private_data;
3956 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
3957 uint32_t drb_reg_id, i;
3961 /* This is a user read operation */
3962 debug->op = LPFC_IDIAG_OP_RD;
3965 debug->buffer = kmalloc(LPFC_DRB_ACC_BUF_SIZE, GFP_KERNEL);
3968 pbuffer = debug->buffer;
3973 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD)
3974 drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX];
3978 if (drb_reg_id == LPFC_DRB_ACC_ALL)
3979 for (i = 1; i <= LPFC_DRB_MAX; i++)
3980 len = lpfc_idiag_drbacc_read_reg(phba,
3983 len = lpfc_idiag_drbacc_read_reg(phba,
3984 pbuffer, len, drb_reg_id);
3986 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
3990 * lpfc_idiag_drbacc_write - Syntax check and set up idiag drbacc commands
3991 * @file: The file pointer to read from.
3992 * @buf: The buffer to copy the user data from.
3993 * @nbytes: The number of bytes to get.
3994 * @ppos: The position in the file to start reading from.
3996 * This routine get the debugfs idiag command struct from user space and then
3997 * perform the syntax check for port doorbell register read (dump) or write
3998 * (set) command accordingly. In the case of port queue read command, it sets
3999 * up the command in the idiag command struct for the following debugfs read
4000 * operation. In the case of port doorbell register write operation, it
4001 * executes the write operation into the port doorbell register accordingly.
4003 * It returns the @nbytges passing in from debugfs user space when successful.
4004 * In case of error conditions, it returns proper error code back to the user
4008 lpfc_idiag_drbacc_write(struct file *file, const char __user *buf,
4009 size_t nbytes, loff_t *ppos)
4011 struct lpfc_debug *debug = file->private_data;
4012 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
4013 uint32_t drb_reg_id, value, reg_val = 0;
4014 void __iomem *drb_reg;
4017 /* This is a user write operation */
4018 debug->op = LPFC_IDIAG_OP_WR;
4020 rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
4024 /* Sanity check on command line arguments */
4025 drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX];
4026 value = idiag.cmd.data[IDIAG_DRBACC_VALUE_INDX];
4028 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR ||
4029 idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST ||
4030 idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) {
4031 if (rc != LPFC_DRB_ACC_WR_CMD_ARG)
4033 if (drb_reg_id > LPFC_DRB_MAX)
4035 } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD) {
4036 if (rc != LPFC_DRB_ACC_RD_CMD_ARG)
4038 if ((drb_reg_id > LPFC_DRB_MAX) &&
4039 (drb_reg_id != LPFC_DRB_ACC_ALL))
4044 /* Perform the write access operation */
4045 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR ||
4046 idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST ||
4047 idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) {
4048 switch (drb_reg_id) {
4050 drb_reg = phba->sli4_hba.EQCQDBregaddr;
4053 drb_reg = phba->sli4_hba.MQDBregaddr;
4056 drb_reg = phba->sli4_hba.WQDBregaddr;
4059 drb_reg = phba->sli4_hba.RQDBregaddr;
4065 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR)
4067 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST) {
4068 reg_val = readl(drb_reg);
4071 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) {
4072 reg_val = readl(drb_reg);
4075 writel(reg_val, drb_reg);
4076 readl(drb_reg); /* flush */
4081 /* Clean out command structure on command error out */
4082 memset(&idiag, 0, sizeof(idiag));
4087 * lpfc_idiag_ctlacc_read_reg - idiag debugfs read a control registers
4088 * @phba: The pointer to hba structure.
4089 * @pbuffer: The pointer to the buffer to copy the data to.
4090 * @len: The lenght of bytes to copied.
4091 * @drbregid: The id to doorbell registers.
4094 * This routine reads a control register and copies its content to the
4095 * user buffer pointed to by @pbuffer.
4098 * This function returns the amount of data that was copied into @pbuffer.
4101 lpfc_idiag_ctlacc_read_reg(struct lpfc_hba *phba, char *pbuffer,
4102 int len, uint32_t ctlregid)
4109 case LPFC_CTL_PORT_SEM:
4110 len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
4111 "Port SemReg: 0x%08x\n",
4112 readl(phba->sli4_hba.conf_regs_memmap_p +
4113 LPFC_CTL_PORT_SEM_OFFSET));
4115 case LPFC_CTL_PORT_STA:
4116 len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
4117 "Port StaReg: 0x%08x\n",
4118 readl(phba->sli4_hba.conf_regs_memmap_p +
4119 LPFC_CTL_PORT_STA_OFFSET));
4121 case LPFC_CTL_PORT_CTL:
4122 len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
4123 "Port CtlReg: 0x%08x\n",
4124 readl(phba->sli4_hba.conf_regs_memmap_p +
4125 LPFC_CTL_PORT_CTL_OFFSET));
4127 case LPFC_CTL_PORT_ER1:
4128 len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
4129 "Port Er1Reg: 0x%08x\n",
4130 readl(phba->sli4_hba.conf_regs_memmap_p +
4131 LPFC_CTL_PORT_ER1_OFFSET));
4133 case LPFC_CTL_PORT_ER2:
4134 len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
4135 "Port Er2Reg: 0x%08x\n",
4136 readl(phba->sli4_hba.conf_regs_memmap_p +
4137 LPFC_CTL_PORT_ER2_OFFSET));
4139 case LPFC_CTL_PDEV_CTL:
4140 len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
4141 "PDev CtlReg: 0x%08x\n",
4142 readl(phba->sli4_hba.conf_regs_memmap_p +
4143 LPFC_CTL_PDEV_CTL_OFFSET));
4152 * lpfc_idiag_ctlacc_read - idiag debugfs read port and device control register
4153 * @file: The file pointer to read from.
4154 * @buf: The buffer to copy the data to.
4155 * @nbytes: The number of bytes to read.
4156 * @ppos: The position in the file to start reading from.
4159 * This routine reads data from the @phba port and device registers according
4160 * to the idiag command, and copies to user @buf.
4163 * This function returns the amount of data that was read (this could be less
4164 * than @nbytes if the end of the file was reached) or a negative error value.
4167 lpfc_idiag_ctlacc_read(struct file *file, char __user *buf, size_t nbytes,
4170 struct lpfc_debug *debug = file->private_data;
4171 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
4172 uint32_t ctl_reg_id, i;
4176 /* This is a user read operation */
4177 debug->op = LPFC_IDIAG_OP_RD;
4180 debug->buffer = kmalloc(LPFC_CTL_ACC_BUF_SIZE, GFP_KERNEL);
4183 pbuffer = debug->buffer;
4188 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD)
4189 ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX];
4193 if (ctl_reg_id == LPFC_CTL_ACC_ALL)
4194 for (i = 1; i <= LPFC_CTL_MAX; i++)
4195 len = lpfc_idiag_ctlacc_read_reg(phba,
4198 len = lpfc_idiag_ctlacc_read_reg(phba,
4199 pbuffer, len, ctl_reg_id);
4201 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
4205 * lpfc_idiag_ctlacc_write - Syntax check and set up idiag ctlacc commands
4206 * @file: The file pointer to read from.
4207 * @buf: The buffer to copy the user data from.
4208 * @nbytes: The number of bytes to get.
4209 * @ppos: The position in the file to start reading from.
4211 * This routine get the debugfs idiag command struct from user space and then
4212 * perform the syntax check for port and device control register read (dump)
4213 * or write (set) command accordingly.
4215 * It returns the @nbytges passing in from debugfs user space when successful.
4216 * In case of error conditions, it returns proper error code back to the user
4220 lpfc_idiag_ctlacc_write(struct file *file, const char __user *buf,
4221 size_t nbytes, loff_t *ppos)
4223 struct lpfc_debug *debug = file->private_data;
4224 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
4225 uint32_t ctl_reg_id, value, reg_val = 0;
4226 void __iomem *ctl_reg;
4229 /* This is a user write operation */
4230 debug->op = LPFC_IDIAG_OP_WR;
4232 rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
4236 /* Sanity check on command line arguments */
4237 ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX];
4238 value = idiag.cmd.data[IDIAG_CTLACC_VALUE_INDX];
4240 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR ||
4241 idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST ||
4242 idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) {
4243 if (rc != LPFC_CTL_ACC_WR_CMD_ARG)
4245 if (ctl_reg_id > LPFC_CTL_MAX)
4247 } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD) {
4248 if (rc != LPFC_CTL_ACC_RD_CMD_ARG)
4250 if ((ctl_reg_id > LPFC_CTL_MAX) &&
4251 (ctl_reg_id != LPFC_CTL_ACC_ALL))
4256 /* Perform the write access operation */
4257 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR ||
4258 idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST ||
4259 idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) {
4260 switch (ctl_reg_id) {
4261 case LPFC_CTL_PORT_SEM:
4262 ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
4263 LPFC_CTL_PORT_SEM_OFFSET;
4265 case LPFC_CTL_PORT_STA:
4266 ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
4267 LPFC_CTL_PORT_STA_OFFSET;
4269 case LPFC_CTL_PORT_CTL:
4270 ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
4271 LPFC_CTL_PORT_CTL_OFFSET;
4273 case LPFC_CTL_PORT_ER1:
4274 ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
4275 LPFC_CTL_PORT_ER1_OFFSET;
4277 case LPFC_CTL_PORT_ER2:
4278 ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
4279 LPFC_CTL_PORT_ER2_OFFSET;
4281 case LPFC_CTL_PDEV_CTL:
4282 ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
4283 LPFC_CTL_PDEV_CTL_OFFSET;
4289 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR)
4291 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST) {
4292 reg_val = readl(ctl_reg);
4295 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) {
4296 reg_val = readl(ctl_reg);
4299 writel(reg_val, ctl_reg);
4300 readl(ctl_reg); /* flush */
4305 /* Clean out command structure on command error out */
4306 memset(&idiag, 0, sizeof(idiag));
4311 * lpfc_idiag_mbxacc_get_setup - idiag debugfs get mailbox access setup
4312 * @phba: Pointer to HBA context object.
4313 * @pbuffer: Pointer to data buffer.
4316 * This routine gets the driver mailbox access debugfs setup information.
4319 * This function returns the amount of data that was read (this could be less
4320 * than @nbytes if the end of the file was reached) or a negative error value.
4323 lpfc_idiag_mbxacc_get_setup(struct lpfc_hba *phba, char *pbuffer)
4325 uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd;
4328 mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
4329 mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
4330 mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
4331 mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
4333 len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
4334 "mbx_dump_map: 0x%08x\n", mbx_dump_map);
4335 len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
4336 "mbx_dump_cnt: %04d\n", mbx_dump_cnt);
4337 len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
4338 "mbx_word_cnt: %04d\n", mbx_word_cnt);
4339 len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
4340 "mbx_mbox_cmd: 0x%02x\n", mbx_mbox_cmd);
4346 * lpfc_idiag_mbxacc_read - idiag debugfs read on mailbox access
4347 * @file: The file pointer to read from.
4348 * @buf: The buffer to copy the data to.
4349 * @nbytes: The number of bytes to read.
4350 * @ppos: The position in the file to start reading from.
4353 * This routine reads data from the @phba driver mailbox access debugfs setup
4357 * This function returns the amount of data that was read (this could be less
4358 * than @nbytes if the end of the file was reached) or a negative error value.
4361 lpfc_idiag_mbxacc_read(struct file *file, char __user *buf, size_t nbytes,
4364 struct lpfc_debug *debug = file->private_data;
4365 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
4369 /* This is a user read operation */
4370 debug->op = LPFC_IDIAG_OP_RD;
4373 debug->buffer = kmalloc(LPFC_MBX_ACC_BUF_SIZE, GFP_KERNEL);
4376 pbuffer = debug->buffer;
4381 if ((idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP) &&
4382 (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP))
4385 len = lpfc_idiag_mbxacc_get_setup(phba, pbuffer);
4387 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
4391 * lpfc_idiag_mbxacc_write - Syntax check and set up idiag mbxacc commands
4392 * @file: The file pointer to read from.
4393 * @buf: The buffer to copy the user data from.
4394 * @nbytes: The number of bytes to get.
4395 * @ppos: The position in the file to start reading from.
4397 * This routine get the debugfs idiag command struct from user space and then
4398 * perform the syntax check for driver mailbox command (dump) and sets up the
4399 * necessary states in the idiag command struct accordingly.
4401 * It returns the @nbytges passing in from debugfs user space when successful.
4402 * In case of error conditions, it returns proper error code back to the user
4406 lpfc_idiag_mbxacc_write(struct file *file, const char __user *buf,
4407 size_t nbytes, loff_t *ppos)
4409 struct lpfc_debug *debug = file->private_data;
4410 uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd;
4413 /* This is a user write operation */
4414 debug->op = LPFC_IDIAG_OP_WR;
4416 rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
4420 /* Sanity check on command line arguments */
4421 mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
4422 mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
4423 mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
4424 mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
4426 if (idiag.cmd.opcode == LPFC_IDIAG_CMD_MBXACC_DP) {
4427 if (!(mbx_dump_map & LPFC_MBX_DMP_MBX_ALL))
4429 if ((mbx_dump_map & ~LPFC_MBX_DMP_MBX_ALL) &&
4430 (mbx_dump_map != LPFC_MBX_DMP_ALL))
4432 if (mbx_word_cnt > sizeof(MAILBOX_t))
4434 } else if (idiag.cmd.opcode == LPFC_IDIAG_BSG_MBXACC_DP) {
4435 if (!(mbx_dump_map & LPFC_BSG_DMP_MBX_ALL))
4437 if ((mbx_dump_map & ~LPFC_BSG_DMP_MBX_ALL) &&
4438 (mbx_dump_map != LPFC_MBX_DMP_ALL))
4440 if (mbx_word_cnt > (BSG_MBOX_SIZE)/4)
4442 if (mbx_mbox_cmd != 0x9b)
4447 if (mbx_word_cnt == 0)
4449 if (rc != LPFC_MBX_DMP_ARG)
4451 if (mbx_mbox_cmd & ~0xff)
4454 /* condition for stop mailbox dump */
4455 if (mbx_dump_cnt == 0)
4461 /* Clean out command structure on command error out */
4462 memset(&idiag, 0, sizeof(idiag));
4466 /* Clean out command structure on command error out */
4467 memset(&idiag, 0, sizeof(idiag));
4472 * lpfc_idiag_extacc_avail_get - get the available extents information
4473 * @phba: pointer to lpfc hba data structure.
4474 * @pbuffer: pointer to internal buffer.
4475 * @len: length into the internal buffer data has been copied.
4478 * This routine is to get the available extent information.
4481 * overall lenth of the data read into the internal buffer.
4484 lpfc_idiag_extacc_avail_get(struct lpfc_hba *phba, char *pbuffer, int len)
4486 uint16_t ext_cnt, ext_size;
4488 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4489 "\nAvailable Extents Information:\n");
4491 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4492 "\tPort Available VPI extents: ");
4493 lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VPI,
4494 &ext_cnt, &ext_size);
4495 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4496 "Count %3d, Size %3d\n", ext_cnt, ext_size);
4498 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4499 "\tPort Available VFI extents: ");
4500 lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VFI,
4501 &ext_cnt, &ext_size);
4502 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4503 "Count %3d, Size %3d\n", ext_cnt, ext_size);
4505 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4506 "\tPort Available RPI extents: ");
4507 lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_RPI,
4508 &ext_cnt, &ext_size);
4509 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4510 "Count %3d, Size %3d\n", ext_cnt, ext_size);
4512 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4513 "\tPort Available XRI extents: ");
4514 lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_XRI,
4515 &ext_cnt, &ext_size);
4516 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4517 "Count %3d, Size %3d\n", ext_cnt, ext_size);
4523 * lpfc_idiag_extacc_alloc_get - get the allocated extents information
4524 * @phba: pointer to lpfc hba data structure.
4525 * @pbuffer: pointer to internal buffer.
4526 * @len: length into the internal buffer data has been copied.
4529 * This routine is to get the allocated extent information.
4532 * overall lenth of the data read into the internal buffer.
4535 lpfc_idiag_extacc_alloc_get(struct lpfc_hba *phba, char *pbuffer, int len)
4537 uint16_t ext_cnt, ext_size;
4540 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4541 "\nAllocated Extents Information:\n");
4543 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4544 "\tHost Allocated VPI extents: ");
4545 rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VPI,
4546 &ext_cnt, &ext_size);
4548 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4549 "Port %d Extent %3d, Size %3d\n",
4550 phba->brd_no, ext_cnt, ext_size);
4552 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4555 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4556 "\tHost Allocated VFI extents: ");
4557 rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VFI,
4558 &ext_cnt, &ext_size);
4560 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4561 "Port %d Extent %3d, Size %3d\n",
4562 phba->brd_no, ext_cnt, ext_size);
4564 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4567 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4568 "\tHost Allocated RPI extents: ");
4569 rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_RPI,
4570 &ext_cnt, &ext_size);
4572 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4573 "Port %d Extent %3d, Size %3d\n",
4574 phba->brd_no, ext_cnt, ext_size);
4576 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4579 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4580 "\tHost Allocated XRI extents: ");
4581 rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_XRI,
4582 &ext_cnt, &ext_size);
4584 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4585 "Port %d Extent %3d, Size %3d\n",
4586 phba->brd_no, ext_cnt, ext_size);
4588 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4595 * lpfc_idiag_extacc_drivr_get - get driver extent information
4596 * @phba: pointer to lpfc hba data structure.
4597 * @pbuffer: pointer to internal buffer.
4598 * @len: length into the internal buffer data has been copied.
4601 * This routine is to get the driver extent information.
4604 * overall lenth of the data read into the internal buffer.
4607 lpfc_idiag_extacc_drivr_get(struct lpfc_hba *phba, char *pbuffer, int len)
4609 struct lpfc_rsrc_blks *rsrc_blks;
4612 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4613 "\nDriver Extents Information:\n");
4615 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4616 "\tVPI extents:\n");
4618 list_for_each_entry(rsrc_blks, &phba->lpfc_vpi_blk_list, list) {
4619 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4620 "\t\tBlock %3d: Start %4d, Count %4d\n",
4621 index, rsrc_blks->rsrc_start,
4622 rsrc_blks->rsrc_size);
4625 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4626 "\tVFI extents:\n");
4628 list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_vfi_blk_list,
4630 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4631 "\t\tBlock %3d: Start %4d, Count %4d\n",
4632 index, rsrc_blks->rsrc_start,
4633 rsrc_blks->rsrc_size);
4637 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4638 "\tRPI extents:\n");
4640 list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_rpi_blk_list,
4642 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4643 "\t\tBlock %3d: Start %4d, Count %4d\n",
4644 index, rsrc_blks->rsrc_start,
4645 rsrc_blks->rsrc_size);
4649 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4650 "\tXRI extents:\n");
4652 list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_xri_blk_list,
4654 len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
4655 "\t\tBlock %3d: Start %4d, Count %4d\n",
4656 index, rsrc_blks->rsrc_start,
4657 rsrc_blks->rsrc_size);
4665 * lpfc_idiag_extacc_write - Syntax check and set up idiag extacc commands
4666 * @file: The file pointer to read from.
4667 * @buf: The buffer to copy the user data from.
4668 * @nbytes: The number of bytes to get.
4669 * @ppos: The position in the file to start reading from.
4671 * This routine get the debugfs idiag command struct from user space and then
4672 * perform the syntax check for extent information access commands and sets
4673 * up the necessary states in the idiag command struct accordingly.
4675 * It returns the @nbytges passing in from debugfs user space when successful.
4676 * In case of error conditions, it returns proper error code back to the user
4680 lpfc_idiag_extacc_write(struct file *file, const char __user *buf,
4681 size_t nbytes, loff_t *ppos)
4683 struct lpfc_debug *debug = file->private_data;
4687 /* This is a user write operation */
4688 debug->op = LPFC_IDIAG_OP_WR;
4690 rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
4694 ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX];
4696 if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD)
4698 if (rc != LPFC_EXT_ACC_CMD_ARG)
4700 if (!(ext_map & LPFC_EXT_ACC_ALL))
4705 /* Clean out command structure on command error out */
4706 memset(&idiag, 0, sizeof(idiag));
4711 * lpfc_idiag_extacc_read - idiag debugfs read access to extent information
4712 * @file: The file pointer to read from.
4713 * @buf: The buffer to copy the data to.
4714 * @nbytes: The number of bytes to read.
4715 * @ppos: The position in the file to start reading from.
4718 * This routine reads data from the proper extent information according to
4719 * the idiag command, and copies to user @buf.
4722 * This function returns the amount of data that was read (this could be less
4723 * than @nbytes if the end of the file was reached) or a negative error value.
4726 lpfc_idiag_extacc_read(struct file *file, char __user *buf, size_t nbytes,
4729 struct lpfc_debug *debug = file->private_data;
4730 struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
4735 /* This is a user read operation */
4736 debug->op = LPFC_IDIAG_OP_RD;
4739 debug->buffer = kmalloc(LPFC_EXT_ACC_BUF_SIZE, GFP_KERNEL);
4742 pbuffer = debug->buffer;
4745 if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD)
4748 ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX];
4749 if (ext_map & LPFC_EXT_ACC_AVAIL)
4750 len = lpfc_idiag_extacc_avail_get(phba, pbuffer, len);
4751 if (ext_map & LPFC_EXT_ACC_ALLOC)
4752 len = lpfc_idiag_extacc_alloc_get(phba, pbuffer, len);
4753 if (ext_map & LPFC_EXT_ACC_DRIVR)
4754 len = lpfc_idiag_extacc_drivr_get(phba, pbuffer, len);
4756 return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
4759 #undef lpfc_debugfs_op_disc_trc
4760 static const struct file_operations lpfc_debugfs_op_disc_trc = {
4761 .owner = THIS_MODULE,
4762 .open = lpfc_debugfs_disc_trc_open,
4763 .llseek = lpfc_debugfs_lseek,
4764 .read = lpfc_debugfs_read,
4765 .release = lpfc_debugfs_release,
4768 #undef lpfc_debugfs_op_nodelist
4769 static const struct file_operations lpfc_debugfs_op_nodelist = {
4770 .owner = THIS_MODULE,
4771 .open = lpfc_debugfs_nodelist_open,
4772 .llseek = lpfc_debugfs_lseek,
4773 .read = lpfc_debugfs_read,
4774 .release = lpfc_debugfs_release,
4777 #undef lpfc_debugfs_op_hbqinfo
4778 static const struct file_operations lpfc_debugfs_op_hbqinfo = {
4779 .owner = THIS_MODULE,
4780 .open = lpfc_debugfs_hbqinfo_open,
4781 .llseek = lpfc_debugfs_lseek,
4782 .read = lpfc_debugfs_read,
4783 .release = lpfc_debugfs_release,
4786 #undef lpfc_debugfs_op_dumpHBASlim
4787 static const struct file_operations lpfc_debugfs_op_dumpHBASlim = {
4788 .owner = THIS_MODULE,
4789 .open = lpfc_debugfs_dumpHBASlim_open,
4790 .llseek = lpfc_debugfs_lseek,
4791 .read = lpfc_debugfs_read,
4792 .release = lpfc_debugfs_release,
4795 #undef lpfc_debugfs_op_dumpHostSlim
4796 static const struct file_operations lpfc_debugfs_op_dumpHostSlim = {
4797 .owner = THIS_MODULE,
4798 .open = lpfc_debugfs_dumpHostSlim_open,
4799 .llseek = lpfc_debugfs_lseek,
4800 .read = lpfc_debugfs_read,
4801 .release = lpfc_debugfs_release,
4804 #undef lpfc_debugfs_op_nvmestat
4805 static const struct file_operations lpfc_debugfs_op_nvmestat = {
4806 .owner = THIS_MODULE,
4807 .open = lpfc_debugfs_nvmestat_open,
4808 .llseek = lpfc_debugfs_lseek,
4809 .read = lpfc_debugfs_read,
4810 .write = lpfc_debugfs_nvmestat_write,
4811 .release = lpfc_debugfs_release,
4814 #undef lpfc_debugfs_op_nvmektime
4815 static const struct file_operations lpfc_debugfs_op_nvmektime = {
4816 .owner = THIS_MODULE,
4817 .open = lpfc_debugfs_nvmektime_open,
4818 .llseek = lpfc_debugfs_lseek,
4819 .read = lpfc_debugfs_read,
4820 .write = lpfc_debugfs_nvmektime_write,
4821 .release = lpfc_debugfs_release,
4824 #undef lpfc_debugfs_op_nvmeio_trc
4825 static const struct file_operations lpfc_debugfs_op_nvmeio_trc = {
4826 .owner = THIS_MODULE,
4827 .open = lpfc_debugfs_nvmeio_trc_open,
4828 .llseek = lpfc_debugfs_lseek,
4829 .read = lpfc_debugfs_read,
4830 .write = lpfc_debugfs_nvmeio_trc_write,
4831 .release = lpfc_debugfs_release,
4834 #undef lpfc_debugfs_op_cpucheck
4835 static const struct file_operations lpfc_debugfs_op_cpucheck = {
4836 .owner = THIS_MODULE,
4837 .open = lpfc_debugfs_cpucheck_open,
4838 .llseek = lpfc_debugfs_lseek,
4839 .read = lpfc_debugfs_read,
4840 .write = lpfc_debugfs_cpucheck_write,
4841 .release = lpfc_debugfs_release,
4844 #undef lpfc_debugfs_op_dumpData
4845 static const struct file_operations lpfc_debugfs_op_dumpData = {
4846 .owner = THIS_MODULE,
4847 .open = lpfc_debugfs_dumpData_open,
4848 .llseek = lpfc_debugfs_lseek,
4849 .read = lpfc_debugfs_read,
4850 .write = lpfc_debugfs_dumpDataDif_write,
4851 .release = lpfc_debugfs_dumpDataDif_release,
4854 #undef lpfc_debugfs_op_dumpDif
4855 static const struct file_operations lpfc_debugfs_op_dumpDif = {
4856 .owner = THIS_MODULE,
4857 .open = lpfc_debugfs_dumpDif_open,
4858 .llseek = lpfc_debugfs_lseek,
4859 .read = lpfc_debugfs_read,
4860 .write = lpfc_debugfs_dumpDataDif_write,
4861 .release = lpfc_debugfs_dumpDataDif_release,
4864 #undef lpfc_debugfs_op_dif_err
4865 static const struct file_operations lpfc_debugfs_op_dif_err = {
4866 .owner = THIS_MODULE,
4867 .open = simple_open,
4868 .llseek = lpfc_debugfs_lseek,
4869 .read = lpfc_debugfs_dif_err_read,
4870 .write = lpfc_debugfs_dif_err_write,
4871 .release = lpfc_debugfs_dif_err_release,
4874 #undef lpfc_debugfs_op_slow_ring_trc
4875 static const struct file_operations lpfc_debugfs_op_slow_ring_trc = {
4876 .owner = THIS_MODULE,
4877 .open = lpfc_debugfs_slow_ring_trc_open,
4878 .llseek = lpfc_debugfs_lseek,
4879 .read = lpfc_debugfs_read,
4880 .release = lpfc_debugfs_release,
4883 static struct dentry *lpfc_debugfs_root = NULL;
4884 static atomic_t lpfc_debugfs_hba_count;
4887 * File operations for the iDiag debugfs
4889 #undef lpfc_idiag_op_pciCfg
4890 static const struct file_operations lpfc_idiag_op_pciCfg = {
4891 .owner = THIS_MODULE,
4892 .open = lpfc_idiag_open,
4893 .llseek = lpfc_debugfs_lseek,
4894 .read = lpfc_idiag_pcicfg_read,
4895 .write = lpfc_idiag_pcicfg_write,
4896 .release = lpfc_idiag_cmd_release,
4899 #undef lpfc_idiag_op_barAcc
4900 static const struct file_operations lpfc_idiag_op_barAcc = {
4901 .owner = THIS_MODULE,
4902 .open = lpfc_idiag_open,
4903 .llseek = lpfc_debugfs_lseek,
4904 .read = lpfc_idiag_baracc_read,
4905 .write = lpfc_idiag_baracc_write,
4906 .release = lpfc_idiag_cmd_release,
4909 #undef lpfc_idiag_op_queInfo
4910 static const struct file_operations lpfc_idiag_op_queInfo = {
4911 .owner = THIS_MODULE,
4912 .open = lpfc_idiag_open,
4913 .read = lpfc_idiag_queinfo_read,
4914 .release = lpfc_idiag_release,
4917 #undef lpfc_idiag_op_queAcc
4918 static const struct file_operations lpfc_idiag_op_queAcc = {
4919 .owner = THIS_MODULE,
4920 .open = lpfc_idiag_open,
4921 .llseek = lpfc_debugfs_lseek,
4922 .read = lpfc_idiag_queacc_read,
4923 .write = lpfc_idiag_queacc_write,
4924 .release = lpfc_idiag_cmd_release,
4927 #undef lpfc_idiag_op_drbAcc
4928 static const struct file_operations lpfc_idiag_op_drbAcc = {
4929 .owner = THIS_MODULE,
4930 .open = lpfc_idiag_open,
4931 .llseek = lpfc_debugfs_lseek,
4932 .read = lpfc_idiag_drbacc_read,
4933 .write = lpfc_idiag_drbacc_write,
4934 .release = lpfc_idiag_cmd_release,
4937 #undef lpfc_idiag_op_ctlAcc
4938 static const struct file_operations lpfc_idiag_op_ctlAcc = {
4939 .owner = THIS_MODULE,
4940 .open = lpfc_idiag_open,
4941 .llseek = lpfc_debugfs_lseek,
4942 .read = lpfc_idiag_ctlacc_read,
4943 .write = lpfc_idiag_ctlacc_write,
4944 .release = lpfc_idiag_cmd_release,
4947 #undef lpfc_idiag_op_mbxAcc
4948 static const struct file_operations lpfc_idiag_op_mbxAcc = {
4949 .owner = THIS_MODULE,
4950 .open = lpfc_idiag_open,
4951 .llseek = lpfc_debugfs_lseek,
4952 .read = lpfc_idiag_mbxacc_read,
4953 .write = lpfc_idiag_mbxacc_write,
4954 .release = lpfc_idiag_cmd_release,
4957 #undef lpfc_idiag_op_extAcc
4958 static const struct file_operations lpfc_idiag_op_extAcc = {
4959 .owner = THIS_MODULE,
4960 .open = lpfc_idiag_open,
4961 .llseek = lpfc_debugfs_lseek,
4962 .read = lpfc_idiag_extacc_read,
4963 .write = lpfc_idiag_extacc_write,
4964 .release = lpfc_idiag_cmd_release,
4969 /* lpfc_idiag_mbxacc_dump_bsg_mbox - idiag debugfs dump bsg mailbox command
4970 * @phba: Pointer to HBA context object.
4971 * @dmabuf: Pointer to a DMA buffer descriptor.
4974 * This routine dump a bsg pass-through non-embedded mailbox command with
4978 lpfc_idiag_mbxacc_dump_bsg_mbox(struct lpfc_hba *phba, enum nemb_type nemb_tp,
4979 enum mbox_type mbox_tp, enum dma_type dma_tp,
4980 enum sta_type sta_tp,
4981 struct lpfc_dmabuf *dmabuf, uint32_t ext_buf)
4983 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
4984 uint32_t *mbx_mbox_cmd, *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt;
4985 char line_buf[LPFC_MBX_ACC_LBUF_SZ];
4987 uint32_t do_dump = 0;
4991 if (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP)
4994 mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
4995 mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
4996 mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
4997 mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
4999 if (!(*mbx_dump_map & LPFC_MBX_DMP_ALL) ||
5000 (*mbx_dump_cnt == 0) ||
5001 (*mbx_word_cnt == 0))
5004 if (*mbx_mbox_cmd != 0x9B)
5007 if ((mbox_tp == mbox_rd) && (dma_tp == dma_mbox)) {
5008 if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_MBX) {
5009 do_dump |= LPFC_BSG_DMP_MBX_RD_MBX;
5010 pr_err("\nRead mbox command (x%x), "
5011 "nemb:0x%x, extbuf_cnt:%d:\n",
5012 sta_tp, nemb_tp, ext_buf);
5015 if ((mbox_tp == mbox_rd) && (dma_tp == dma_ebuf)) {
5016 if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_BUF) {
5017 do_dump |= LPFC_BSG_DMP_MBX_RD_BUF;
5018 pr_err("\nRead mbox buffer (x%x), "
5019 "nemb:0x%x, extbuf_seq:%d:\n",
5020 sta_tp, nemb_tp, ext_buf);
5023 if ((mbox_tp == mbox_wr) && (dma_tp == dma_mbox)) {
5024 if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_MBX) {
5025 do_dump |= LPFC_BSG_DMP_MBX_WR_MBX;
5026 pr_err("\nWrite mbox command (x%x), "
5027 "nemb:0x%x, extbuf_cnt:%d:\n",
5028 sta_tp, nemb_tp, ext_buf);
5031 if ((mbox_tp == mbox_wr) && (dma_tp == dma_ebuf)) {
5032 if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_BUF) {
5033 do_dump |= LPFC_BSG_DMP_MBX_WR_BUF;
5034 pr_err("\nWrite mbox buffer (x%x), "
5035 "nemb:0x%x, extbuf_seq:%d:\n",
5036 sta_tp, nemb_tp, ext_buf);
5040 /* dump buffer content */
5042 pword = (uint32_t *)dmabuf->virt;
5043 for (i = 0; i < *mbx_word_cnt; i++) {
5046 pr_err("%s\n", line_buf);
5048 len += snprintf(line_buf+len,
5049 LPFC_MBX_ACC_LBUF_SZ-len,
5052 len += snprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len,
5053 "%08x ", (uint32_t)*pword);
5057 pr_err("%s\n", line_buf);
5061 /* Clean out command structure on reaching dump count */
5062 if (*mbx_dump_cnt == 0)
5063 memset(&idiag, 0, sizeof(idiag));
5068 /* lpfc_idiag_mbxacc_dump_issue_mbox - idiag debugfs dump issue mailbox command
5069 * @phba: Pointer to HBA context object.
5070 * @dmabuf: Pointer to a DMA buffer descriptor.
5073 * This routine dump a pass-through non-embedded mailbox command from issue
5077 lpfc_idiag_mbxacc_dump_issue_mbox(struct lpfc_hba *phba, MAILBOX_t *pmbox)
5079 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
5080 uint32_t *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt, *mbx_mbox_cmd;
5081 char line_buf[LPFC_MBX_ACC_LBUF_SZ];
5087 if (idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP)
5090 mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
5091 mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
5092 mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
5093 mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
5095 if (!(*mbx_dump_map & LPFC_MBX_DMP_MBX_ALL) ||
5096 (*mbx_dump_cnt == 0) ||
5097 (*mbx_word_cnt == 0))
5100 if ((*mbx_mbox_cmd != LPFC_MBX_ALL_CMD) &&
5101 (*mbx_mbox_cmd != pmbox->mbxCommand))
5104 /* dump buffer content */
5105 if (*mbx_dump_map & LPFC_MBX_DMP_MBX_WORD) {
5106 pr_err("Mailbox command:0x%x dump by word:\n",
5108 pword = (uint32_t *)pmbox;
5109 for (i = 0; i < *mbx_word_cnt; i++) {
5112 pr_err("%s\n", line_buf);
5114 memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ);
5115 len += snprintf(line_buf+len,
5116 LPFC_MBX_ACC_LBUF_SZ-len,
5119 len += snprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len,
5121 ((uint32_t)*pword) & 0xffffffff);
5125 pr_err("%s\n", line_buf);
5128 if (*mbx_dump_map & LPFC_MBX_DMP_MBX_BYTE) {
5129 pr_err("Mailbox command:0x%x dump by byte:\n",
5131 pbyte = (uint8_t *)pmbox;
5132 for (i = 0; i < *mbx_word_cnt; i++) {
5135 pr_err("%s\n", line_buf);
5137 memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ);
5138 len += snprintf(line_buf+len,
5139 LPFC_MBX_ACC_LBUF_SZ-len,
5142 for (j = 0; j < 4; j++) {
5143 len += snprintf(line_buf+len,
5144 LPFC_MBX_ACC_LBUF_SZ-len,
5146 ((uint8_t)*pbyte) & 0xff);
5149 len += snprintf(line_buf+len,
5150 LPFC_MBX_ACC_LBUF_SZ-len, " ");
5153 pr_err("%s\n", line_buf);
5158 /* Clean out command structure on reaching dump count */
5159 if (*mbx_dump_cnt == 0)
5160 memset(&idiag, 0, sizeof(idiag));
5166 * lpfc_debugfs_initialize - Initialize debugfs for a vport
5167 * @vport: The vport pointer to initialize.
5170 * When Debugfs is configured this routine sets up the lpfc debugfs file system.
5171 * If not already created, this routine will create the lpfc directory, and
5172 * lpfcX directory (for this HBA), and vportX directory for this vport. It will
5173 * also create each file used to access lpfc specific debugfs information.
5176 lpfc_debugfs_initialize(struct lpfc_vport *vport)
5178 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
5179 struct lpfc_hba *phba = vport->phba;
5182 bool pport_setup = false;
5184 if (!lpfc_debugfs_enable)
5187 /* Setup lpfc root directory */
5188 if (!lpfc_debugfs_root) {
5189 lpfc_debugfs_root = debugfs_create_dir("lpfc", NULL);
5190 atomic_set(&lpfc_debugfs_hba_count, 0);
5191 if (!lpfc_debugfs_root) {
5192 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5193 "0408 Cannot create debugfs root\n");
5197 if (!lpfc_debugfs_start_time)
5198 lpfc_debugfs_start_time = jiffies;
5200 /* Setup funcX directory for specific HBA PCI function */
5201 snprintf(name, sizeof(name), "fn%d", phba->brd_no);
5202 if (!phba->hba_debugfs_root) {
5204 phba->hba_debugfs_root =
5205 debugfs_create_dir(name, lpfc_debugfs_root);
5206 if (!phba->hba_debugfs_root) {
5207 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5208 "0412 Cannot create debugfs hba\n");
5211 atomic_inc(&lpfc_debugfs_hba_count);
5212 atomic_set(&phba->debugfs_vport_count, 0);
5215 snprintf(name, sizeof(name), "hbqinfo");
5216 phba->debug_hbqinfo =
5217 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5218 phba->hba_debugfs_root,
5219 phba, &lpfc_debugfs_op_hbqinfo);
5220 if (!phba->debug_hbqinfo) {
5221 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5222 "0411 Cannot create debugfs hbqinfo\n");
5226 /* Setup dumpHBASlim */
5227 if (phba->sli_rev < LPFC_SLI_REV4) {
5228 snprintf(name, sizeof(name), "dumpHBASlim");
5229 phba->debug_dumpHBASlim =
5230 debugfs_create_file(name,
5231 S_IFREG|S_IRUGO|S_IWUSR,
5232 phba->hba_debugfs_root,
5233 phba, &lpfc_debugfs_op_dumpHBASlim);
5234 if (!phba->debug_dumpHBASlim) {
5235 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5236 "0413 Cannot create debugfs "
5241 phba->debug_dumpHBASlim = NULL;
5243 /* Setup dumpHostSlim */
5244 if (phba->sli_rev < LPFC_SLI_REV4) {
5245 snprintf(name, sizeof(name), "dumpHostSlim");
5246 phba->debug_dumpHostSlim =
5247 debugfs_create_file(name,
5248 S_IFREG|S_IRUGO|S_IWUSR,
5249 phba->hba_debugfs_root,
5250 phba, &lpfc_debugfs_op_dumpHostSlim);
5251 if (!phba->debug_dumpHostSlim) {
5252 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5253 "0414 Cannot create debugfs "
5258 phba->debug_dumpHostSlim = NULL;
5260 /* Setup dumpData */
5261 snprintf(name, sizeof(name), "dumpData");
5262 phba->debug_dumpData =
5263 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5264 phba->hba_debugfs_root,
5265 phba, &lpfc_debugfs_op_dumpData);
5266 if (!phba->debug_dumpData) {
5267 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5268 "0800 Cannot create debugfs dumpData\n");
5273 snprintf(name, sizeof(name), "dumpDif");
5274 phba->debug_dumpDif =
5275 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5276 phba->hba_debugfs_root,
5277 phba, &lpfc_debugfs_op_dumpDif);
5278 if (!phba->debug_dumpDif) {
5279 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5280 "0801 Cannot create debugfs dumpDif\n");
5284 /* Setup DIF Error Injections */
5285 snprintf(name, sizeof(name), "InjErrLBA");
5286 phba->debug_InjErrLBA =
5287 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5288 phba->hba_debugfs_root,
5289 phba, &lpfc_debugfs_op_dif_err);
5290 if (!phba->debug_InjErrLBA) {
5291 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5292 "0807 Cannot create debugfs InjErrLBA\n");
5295 phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
5297 snprintf(name, sizeof(name), "InjErrNPortID");
5298 phba->debug_InjErrNPortID =
5299 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5300 phba->hba_debugfs_root,
5301 phba, &lpfc_debugfs_op_dif_err);
5302 if (!phba->debug_InjErrNPortID) {
5303 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5304 "0809 Cannot create debugfs InjErrNPortID\n");
5308 snprintf(name, sizeof(name), "InjErrWWPN");
5309 phba->debug_InjErrWWPN =
5310 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5311 phba->hba_debugfs_root,
5312 phba, &lpfc_debugfs_op_dif_err);
5313 if (!phba->debug_InjErrWWPN) {
5314 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5315 "0810 Cannot create debugfs InjErrWWPN\n");
5319 snprintf(name, sizeof(name), "writeGuardInjErr");
5320 phba->debug_writeGuard =
5321 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5322 phba->hba_debugfs_root,
5323 phba, &lpfc_debugfs_op_dif_err);
5324 if (!phba->debug_writeGuard) {
5325 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5326 "0802 Cannot create debugfs writeGuard\n");
5330 snprintf(name, sizeof(name), "writeAppInjErr");
5331 phba->debug_writeApp =
5332 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5333 phba->hba_debugfs_root,
5334 phba, &lpfc_debugfs_op_dif_err);
5335 if (!phba->debug_writeApp) {
5336 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5337 "0803 Cannot create debugfs writeApp\n");
5341 snprintf(name, sizeof(name), "writeRefInjErr");
5342 phba->debug_writeRef =
5343 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5344 phba->hba_debugfs_root,
5345 phba, &lpfc_debugfs_op_dif_err);
5346 if (!phba->debug_writeRef) {
5347 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5348 "0804 Cannot create debugfs writeRef\n");
5352 snprintf(name, sizeof(name), "readGuardInjErr");
5353 phba->debug_readGuard =
5354 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5355 phba->hba_debugfs_root,
5356 phba, &lpfc_debugfs_op_dif_err);
5357 if (!phba->debug_readGuard) {
5358 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5359 "0808 Cannot create debugfs readGuard\n");
5363 snprintf(name, sizeof(name), "readAppInjErr");
5364 phba->debug_readApp =
5365 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5366 phba->hba_debugfs_root,
5367 phba, &lpfc_debugfs_op_dif_err);
5368 if (!phba->debug_readApp) {
5369 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5370 "0805 Cannot create debugfs readApp\n");
5374 snprintf(name, sizeof(name), "readRefInjErr");
5375 phba->debug_readRef =
5376 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5377 phba->hba_debugfs_root,
5378 phba, &lpfc_debugfs_op_dif_err);
5379 if (!phba->debug_readRef) {
5380 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5381 "0806 Cannot create debugfs readApp\n");
5385 /* Setup slow ring trace */
5386 if (lpfc_debugfs_max_slow_ring_trc) {
5387 num = lpfc_debugfs_max_slow_ring_trc - 1;
5388 if (num & lpfc_debugfs_max_slow_ring_trc) {
5389 /* Change to be a power of 2 */
5390 num = lpfc_debugfs_max_slow_ring_trc;
5396 lpfc_debugfs_max_slow_ring_trc = (1 << i);
5397 pr_err("lpfc_debugfs_max_disc_trc changed to "
5398 "%d\n", lpfc_debugfs_max_disc_trc);
5402 snprintf(name, sizeof(name), "slow_ring_trace");
5403 phba->debug_slow_ring_trc =
5404 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5405 phba->hba_debugfs_root,
5406 phba, &lpfc_debugfs_op_slow_ring_trc);
5407 if (!phba->debug_slow_ring_trc) {
5408 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5409 "0415 Cannot create debugfs "
5410 "slow_ring_trace\n");
5413 if (!phba->slow_ring_trc) {
5414 phba->slow_ring_trc = kmalloc(
5415 (sizeof(struct lpfc_debugfs_trc) *
5416 lpfc_debugfs_max_slow_ring_trc),
5418 if (!phba->slow_ring_trc) {
5419 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5420 "0416 Cannot create debugfs "
5421 "slow_ring buffer\n");
5424 atomic_set(&phba->slow_ring_trc_cnt, 0);
5425 memset(phba->slow_ring_trc, 0,
5426 (sizeof(struct lpfc_debugfs_trc) *
5427 lpfc_debugfs_max_slow_ring_trc));
5430 snprintf(name, sizeof(name), "nvmeio_trc");
5431 phba->debug_nvmeio_trc =
5432 debugfs_create_file(name, 0644,
5433 phba->hba_debugfs_root,
5434 phba, &lpfc_debugfs_op_nvmeio_trc);
5435 if (!phba->debug_nvmeio_trc) {
5436 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5437 "0574 No create debugfs nvmeio_trc\n");
5441 atomic_set(&phba->nvmeio_trc_cnt, 0);
5442 if (lpfc_debugfs_max_nvmeio_trc) {
5443 num = lpfc_debugfs_max_nvmeio_trc - 1;
5444 if (num & lpfc_debugfs_max_disc_trc) {
5445 /* Change to be a power of 2 */
5446 num = lpfc_debugfs_max_nvmeio_trc;
5452 lpfc_debugfs_max_nvmeio_trc = (1 << i);
5453 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5454 "0575 lpfc_debugfs_max_nvmeio_trc "
5456 lpfc_debugfs_max_nvmeio_trc);
5458 phba->nvmeio_trc_size = lpfc_debugfs_max_nvmeio_trc;
5460 /* Allocate trace buffer and initialize */
5461 phba->nvmeio_trc = kmalloc(
5462 (sizeof(struct lpfc_debugfs_nvmeio_trc) *
5463 phba->nvmeio_trc_size), GFP_KERNEL);
5465 if (!phba->nvmeio_trc) {
5466 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5467 "0576 Cannot create debugfs "
5468 "nvmeio_trc buffer\n");
5471 memset(phba->nvmeio_trc, 0,
5472 (sizeof(struct lpfc_debugfs_nvmeio_trc) *
5473 phba->nvmeio_trc_size));
5474 phba->nvmeio_trc_on = 1;
5475 phba->nvmeio_trc_output_idx = 0;
5476 phba->nvmeio_trc = NULL;
5479 phba->nvmeio_trc_size = 0;
5480 phba->nvmeio_trc_on = 0;
5481 phba->nvmeio_trc_output_idx = 0;
5482 phba->nvmeio_trc = NULL;
5486 snprintf(name, sizeof(name), "vport%d", vport->vpi);
5487 if (!vport->vport_debugfs_root) {
5488 vport->vport_debugfs_root =
5489 debugfs_create_dir(name, phba->hba_debugfs_root);
5490 if (!vport->vport_debugfs_root) {
5491 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5492 "0417 Can't create debugfs\n");
5495 atomic_inc(&phba->debugfs_vport_count);
5498 if (lpfc_debugfs_max_disc_trc) {
5499 num = lpfc_debugfs_max_disc_trc - 1;
5500 if (num & lpfc_debugfs_max_disc_trc) {
5501 /* Change to be a power of 2 */
5502 num = lpfc_debugfs_max_disc_trc;
5508 lpfc_debugfs_max_disc_trc = (1 << i);
5509 pr_err("lpfc_debugfs_max_disc_trc changed to %d\n",
5510 lpfc_debugfs_max_disc_trc);
5514 vport->disc_trc = kzalloc(
5515 (sizeof(struct lpfc_debugfs_trc) * lpfc_debugfs_max_disc_trc),
5518 if (!vport->disc_trc) {
5519 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5520 "0418 Cannot create debugfs disc trace "
5524 atomic_set(&vport->disc_trc_cnt, 0);
5526 snprintf(name, sizeof(name), "discovery_trace");
5527 vport->debug_disc_trc =
5528 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5529 vport->vport_debugfs_root,
5530 vport, &lpfc_debugfs_op_disc_trc);
5531 if (!vport->debug_disc_trc) {
5532 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5533 "0419 Cannot create debugfs "
5534 "discovery_trace\n");
5537 snprintf(name, sizeof(name), "nodelist");
5538 vport->debug_nodelist =
5539 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5540 vport->vport_debugfs_root,
5541 vport, &lpfc_debugfs_op_nodelist);
5542 if (!vport->debug_nodelist) {
5543 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5544 "2985 Can't create debugfs nodelist\n");
5548 snprintf(name, sizeof(name), "nvmestat");
5549 vport->debug_nvmestat =
5550 debugfs_create_file(name, 0644,
5551 vport->vport_debugfs_root,
5552 vport, &lpfc_debugfs_op_nvmestat);
5553 if (!vport->debug_nvmestat) {
5554 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5555 "0811 Cannot create debugfs nvmestat\n");
5559 snprintf(name, sizeof(name), "nvmektime");
5560 vport->debug_nvmektime =
5561 debugfs_create_file(name, 0644,
5562 vport->vport_debugfs_root,
5563 vport, &lpfc_debugfs_op_nvmektime);
5564 if (!vport->debug_nvmektime) {
5565 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5566 "0815 Cannot create debugfs nvmektime\n");
5570 snprintf(name, sizeof(name), "cpucheck");
5571 vport->debug_cpucheck =
5572 debugfs_create_file(name, 0644,
5573 vport->vport_debugfs_root,
5574 vport, &lpfc_debugfs_op_cpucheck);
5575 if (!vport->debug_cpucheck) {
5576 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5577 "0819 Cannot create debugfs cpucheck\n");
5582 * The following section is for additional directories/files for the
5590 * iDiag debugfs root entry points for SLI4 device only
5592 if (phba->sli_rev < LPFC_SLI_REV4)
5595 snprintf(name, sizeof(name), "iDiag");
5596 if (!phba->idiag_root) {
5598 debugfs_create_dir(name, phba->hba_debugfs_root);
5599 if (!phba->idiag_root) {
5600 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5601 "2922 Can't create idiag debugfs\n");
5604 /* Initialize iDiag data structure */
5605 memset(&idiag, 0, sizeof(idiag));
5608 /* iDiag read PCI config space */
5609 snprintf(name, sizeof(name), "pciCfg");
5610 if (!phba->idiag_pci_cfg) {
5611 phba->idiag_pci_cfg =
5612 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5613 phba->idiag_root, phba, &lpfc_idiag_op_pciCfg);
5614 if (!phba->idiag_pci_cfg) {
5615 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5616 "2923 Can't create idiag debugfs\n");
5619 idiag.offset.last_rd = 0;
5622 /* iDiag PCI BAR access */
5623 snprintf(name, sizeof(name), "barAcc");
5624 if (!phba->idiag_bar_acc) {
5625 phba->idiag_bar_acc =
5626 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5627 phba->idiag_root, phba, &lpfc_idiag_op_barAcc);
5628 if (!phba->idiag_bar_acc) {
5629 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5630 "3056 Can't create idiag debugfs\n");
5633 idiag.offset.last_rd = 0;
5636 /* iDiag get PCI function queue information */
5637 snprintf(name, sizeof(name), "queInfo");
5638 if (!phba->idiag_que_info) {
5639 phba->idiag_que_info =
5640 debugfs_create_file(name, S_IFREG|S_IRUGO,
5641 phba->idiag_root, phba, &lpfc_idiag_op_queInfo);
5642 if (!phba->idiag_que_info) {
5643 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5644 "2924 Can't create idiag debugfs\n");
5649 /* iDiag access PCI function queue */
5650 snprintf(name, sizeof(name), "queAcc");
5651 if (!phba->idiag_que_acc) {
5652 phba->idiag_que_acc =
5653 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5654 phba->idiag_root, phba, &lpfc_idiag_op_queAcc);
5655 if (!phba->idiag_que_acc) {
5656 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5657 "2926 Can't create idiag debugfs\n");
5662 /* iDiag access PCI function doorbell registers */
5663 snprintf(name, sizeof(name), "drbAcc");
5664 if (!phba->idiag_drb_acc) {
5665 phba->idiag_drb_acc =
5666 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5667 phba->idiag_root, phba, &lpfc_idiag_op_drbAcc);
5668 if (!phba->idiag_drb_acc) {
5669 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5670 "2927 Can't create idiag debugfs\n");
5675 /* iDiag access PCI function control registers */
5676 snprintf(name, sizeof(name), "ctlAcc");
5677 if (!phba->idiag_ctl_acc) {
5678 phba->idiag_ctl_acc =
5679 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5680 phba->idiag_root, phba, &lpfc_idiag_op_ctlAcc);
5681 if (!phba->idiag_ctl_acc) {
5682 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5683 "2981 Can't create idiag debugfs\n");
5688 /* iDiag access mbox commands */
5689 snprintf(name, sizeof(name), "mbxAcc");
5690 if (!phba->idiag_mbx_acc) {
5691 phba->idiag_mbx_acc =
5692 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
5693 phba->idiag_root, phba, &lpfc_idiag_op_mbxAcc);
5694 if (!phba->idiag_mbx_acc) {
5695 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5696 "2980 Can't create idiag debugfs\n");
5701 /* iDiag extents access commands */
5702 if (phba->sli4_hba.extents_in_use) {
5703 snprintf(name, sizeof(name), "extAcc");
5704 if (!phba->idiag_ext_acc) {
5705 phba->idiag_ext_acc =
5706 debugfs_create_file(name,
5707 S_IFREG|S_IRUGO|S_IWUSR,
5708 phba->idiag_root, phba,
5709 &lpfc_idiag_op_extAcc);
5710 if (!phba->idiag_ext_acc) {
5711 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
5725 * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport
5726 * @vport: The vport pointer to remove from debugfs.
5729 * When Debugfs is configured this routine removes debugfs file system elements
5730 * that are specific to this vport. It also checks to see if there are any
5731 * users left for the debugfs directories associated with the HBA and driver. If
5732 * this is the last user of the HBA directory or driver directory then it will
5733 * remove those from the debugfs infrastructure as well.
5736 lpfc_debugfs_terminate(struct lpfc_vport *vport)
5738 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
5739 struct lpfc_hba *phba = vport->phba;
5741 kfree(vport->disc_trc);
5742 vport->disc_trc = NULL;
5744 debugfs_remove(vport->debug_disc_trc); /* discovery_trace */
5745 vport->debug_disc_trc = NULL;
5747 debugfs_remove(vport->debug_nodelist); /* nodelist */
5748 vport->debug_nodelist = NULL;
5750 debugfs_remove(vport->debug_nvmestat); /* nvmestat */
5751 vport->debug_nvmestat = NULL;
5753 debugfs_remove(vport->debug_nvmektime); /* nvmektime */
5754 vport->debug_nvmektime = NULL;
5756 debugfs_remove(vport->debug_cpucheck); /* cpucheck */
5757 vport->debug_cpucheck = NULL;
5759 if (vport->vport_debugfs_root) {
5760 debugfs_remove(vport->vport_debugfs_root); /* vportX */
5761 vport->vport_debugfs_root = NULL;
5762 atomic_dec(&phba->debugfs_vport_count);
5765 if (atomic_read(&phba->debugfs_vport_count) == 0) {
5767 debugfs_remove(phba->debug_hbqinfo); /* hbqinfo */
5768 phba->debug_hbqinfo = NULL;
5770 debugfs_remove(phba->debug_dumpHBASlim); /* HBASlim */
5771 phba->debug_dumpHBASlim = NULL;
5773 debugfs_remove(phba->debug_dumpHostSlim); /* HostSlim */
5774 phba->debug_dumpHostSlim = NULL;
5776 debugfs_remove(phba->debug_dumpData); /* dumpData */
5777 phba->debug_dumpData = NULL;
5779 debugfs_remove(phba->debug_dumpDif); /* dumpDif */
5780 phba->debug_dumpDif = NULL;
5782 debugfs_remove(phba->debug_InjErrLBA); /* InjErrLBA */
5783 phba->debug_InjErrLBA = NULL;
5785 debugfs_remove(phba->debug_InjErrNPortID);
5786 phba->debug_InjErrNPortID = NULL;
5788 debugfs_remove(phba->debug_InjErrWWPN); /* InjErrWWPN */
5789 phba->debug_InjErrWWPN = NULL;
5791 debugfs_remove(phba->debug_writeGuard); /* writeGuard */
5792 phba->debug_writeGuard = NULL;
5794 debugfs_remove(phba->debug_writeApp); /* writeApp */
5795 phba->debug_writeApp = NULL;
5797 debugfs_remove(phba->debug_writeRef); /* writeRef */
5798 phba->debug_writeRef = NULL;
5800 debugfs_remove(phba->debug_readGuard); /* readGuard */
5801 phba->debug_readGuard = NULL;
5803 debugfs_remove(phba->debug_readApp); /* readApp */
5804 phba->debug_readApp = NULL;
5806 debugfs_remove(phba->debug_readRef); /* readRef */
5807 phba->debug_readRef = NULL;
5809 kfree(phba->slow_ring_trc);
5810 phba->slow_ring_trc = NULL;
5812 /* slow_ring_trace */
5813 debugfs_remove(phba->debug_slow_ring_trc);
5814 phba->debug_slow_ring_trc = NULL;
5816 debugfs_remove(phba->debug_nvmeio_trc);
5817 phba->debug_nvmeio_trc = NULL;
5819 kfree(phba->nvmeio_trc);
5820 phba->nvmeio_trc = NULL;
5825 if (phba->sli_rev == LPFC_SLI_REV4) {
5827 debugfs_remove(phba->idiag_ext_acc);
5828 phba->idiag_ext_acc = NULL;
5831 debugfs_remove(phba->idiag_mbx_acc);
5832 phba->idiag_mbx_acc = NULL;
5835 debugfs_remove(phba->idiag_ctl_acc);
5836 phba->idiag_ctl_acc = NULL;
5839 debugfs_remove(phba->idiag_drb_acc);
5840 phba->idiag_drb_acc = NULL;
5843 debugfs_remove(phba->idiag_que_acc);
5844 phba->idiag_que_acc = NULL;
5847 debugfs_remove(phba->idiag_que_info);
5848 phba->idiag_que_info = NULL;
5851 debugfs_remove(phba->idiag_bar_acc);
5852 phba->idiag_bar_acc = NULL;
5855 debugfs_remove(phba->idiag_pci_cfg);
5856 phba->idiag_pci_cfg = NULL;
5858 /* Finally remove the iDiag debugfs root */
5859 debugfs_remove(phba->idiag_root);
5860 phba->idiag_root = NULL;
5863 if (phba->hba_debugfs_root) {
5864 debugfs_remove(phba->hba_debugfs_root); /* fnX */
5865 phba->hba_debugfs_root = NULL;
5866 atomic_dec(&lpfc_debugfs_hba_count);
5869 if (atomic_read(&lpfc_debugfs_hba_count) == 0) {
5870 debugfs_remove(lpfc_debugfs_root); /* lpfc */
5871 lpfc_debugfs_root = NULL;
5879 * Driver debug utility routines outside of debugfs. The debug utility
5880 * routines implemented here is intended to be used in the instrumented
5881 * debug driver for debugging host or port issues.
5885 * lpfc_debug_dump_all_queues - dump all the queues with a hba
5886 * @phba: Pointer to HBA context object.
5888 * This function dumps entries of all the queues asociated with the @phba.
5891 lpfc_debug_dump_all_queues(struct lpfc_hba *phba)
5896 * Dump Work Queues (WQs)
5898 lpfc_debug_dump_wq(phba, DUMP_MBX, 0);
5899 lpfc_debug_dump_wq(phba, DUMP_ELS, 0);
5900 lpfc_debug_dump_wq(phba, DUMP_NVMELS, 0);
5902 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++)
5903 lpfc_debug_dump_wq(phba, DUMP_FCP, idx);
5905 for (idx = 0; idx < phba->cfg_nvme_io_channel; idx++)
5906 lpfc_debug_dump_wq(phba, DUMP_NVME, idx);
5908 lpfc_debug_dump_hdr_rq(phba);
5909 lpfc_debug_dump_dat_rq(phba);
5911 * Dump Complete Queues (CQs)
5913 lpfc_debug_dump_cq(phba, DUMP_MBX, 0);
5914 lpfc_debug_dump_cq(phba, DUMP_ELS, 0);
5915 lpfc_debug_dump_cq(phba, DUMP_NVMELS, 0);
5917 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++)
5918 lpfc_debug_dump_cq(phba, DUMP_FCP, idx);
5920 for (idx = 0; idx < phba->cfg_nvme_io_channel; idx++)
5921 lpfc_debug_dump_cq(phba, DUMP_NVME, idx);
5924 * Dump Event Queues (EQs)
5926 for (idx = 0; idx < phba->io_channel_irqs; idx++)
5927 lpfc_debug_dump_hba_eq(phba, idx);