1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2007-2009 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
8 * This program is free software; you can redistribute it and/or *
9 * modify it under the terms of version 2 of the GNU General *
10 * Public License as published by the Free Software Foundation. *
11 * This program is distributed in the hope that it will be useful. *
12 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
13 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
14 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
15 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
16 * TO BE LEGALLY INVALID. See the GNU General Public License for *
17 * more details, a copy of which can be found in the file COPYING *
18 * included with this package. *
19 *******************************************************************/
21 #include <linux/blkdev.h>
22 #include <linux/delay.h>
23 #include <linux/dma-mapping.h>
24 #include <linux/idr.h>
25 #include <linux/interrupt.h>
26 #include <linux/kthread.h>
27 #include <linux/pci.h>
28 #include <linux/spinlock.h>
29 #include <linux/ctype.h>
31 #include <scsi/scsi.h>
32 #include <scsi/scsi_device.h>
33 #include <scsi/scsi_host.h>
34 #include <scsi/scsi_transport_fc.h>
39 #include "lpfc_sli4.h"
41 #include "lpfc_disc.h"
42 #include "lpfc_scsi.h"
44 #include "lpfc_logmsg.h"
45 #include "lpfc_crtn.h"
46 #include "lpfc_vport.h"
47 #include "lpfc_version.h"
48 #include "lpfc_compat.h"
49 #include "lpfc_debugfs.h"
51 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
55 * To access this interface the user should:
57 * # mount -t debugfs none /debug
59 * The lpfc debugfs directory hierarchy is:
61 * where X is the lpfc hba unique_id
62 * where Y is the vport VPI on that hba
64 * Debugging services available per vport:
66 * This is an ACSII readable file that contains a trace of the last
67 * lpfc_debugfs_max_disc_trc events that happened on a specific vport.
68 * See lpfc_debugfs.h for different categories of discovery events.
69 * To enable the discovery trace, the following module parameters must be set:
70 * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support
71 * lpfc_debugfs_max_disc_trc=X Where X is the event trace depth for
72 * EACH vport. X MUST also be a power of 2.
73 * lpfc_debugfs_mask_disc_trc=Y Where Y is an event mask as defined in
77 * This is an ACSII readable file that contains a trace of the last
78 * lpfc_debugfs_max_slow_ring_trc events that happened on a specific HBA.
79 * To enable the slow ring trace, the following module parameters must be set:
80 * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support
81 * lpfc_debugfs_max_slow_ring_trc=X Where X is the event trace depth for
82 * the HBA. X MUST also be a power of 2.
84 static int lpfc_debugfs_enable = 1;
85 module_param(lpfc_debugfs_enable, int, 0);
86 MODULE_PARM_DESC(lpfc_debugfs_enable, "Enable debugfs services");
88 /* This MUST be a power of 2 */
89 static int lpfc_debugfs_max_disc_trc;
90 module_param(lpfc_debugfs_max_disc_trc, int, 0);
91 MODULE_PARM_DESC(lpfc_debugfs_max_disc_trc,
92 "Set debugfs discovery trace depth");
94 /* This MUST be a power of 2 */
95 static int lpfc_debugfs_max_slow_ring_trc;
96 module_param(lpfc_debugfs_max_slow_ring_trc, int, 0);
97 MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc,
98 "Set debugfs slow ring trace depth");
100 static int lpfc_debugfs_mask_disc_trc;
101 module_param(lpfc_debugfs_mask_disc_trc, int, 0);
102 MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc,
103 "Set debugfs discovery trace mask");
105 #include <linux/debugfs.h>
107 /* size of output line, for discovery_trace and slow_ring_trace */
108 #define LPFC_DEBUG_TRC_ENTRY_SIZE 100
110 /* nodelist output buffer size */
111 #define LPFC_NODELIST_SIZE 8192
112 #define LPFC_NODELIST_ENTRY_SIZE 120
114 /* dumpHBASlim output buffer size */
115 #define LPFC_DUMPHBASLIM_SIZE 4096
117 /* dumpHostSlim output buffer size */
118 #define LPFC_DUMPHOSTSLIM_SIZE 4096
120 /* hbqinfo output buffer size */
121 #define LPFC_HBQINFO_SIZE 8192
128 static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0);
129 static unsigned long lpfc_debugfs_start_time = 0L;
132 * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer
133 * @vport: The vport to gather the log info from.
134 * @buf: The buffer to dump log into.
135 * @size: The maximum amount of data to process.
138 * This routine gathers the lpfc discovery debugfs data from the @vport and
139 * dumps it to @buf up to @size number of bytes. It will start at the next entry
140 * in the log and process the log until the end of the buffer. Then it will
141 * gather from the beginning of the log and process until the current entry.
144 * Discovery logging will be disabled while while this routine dumps the log.
147 * This routine returns the amount of bytes that were dumped into @buf and will
151 lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size)
153 int i, index, len, enable;
155 struct lpfc_debugfs_trc *dtp;
156 char buffer[LPFC_DEBUG_TRC_ENTRY_SIZE];
158 enable = lpfc_debugfs_enable;
159 lpfc_debugfs_enable = 0;
162 index = (atomic_read(&vport->disc_trc_cnt) + 1) &
163 (lpfc_debugfs_max_disc_trc - 1);
164 for (i = index; i < lpfc_debugfs_max_disc_trc; i++) {
165 dtp = vport->disc_trc + i;
168 ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
170 LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
171 dtp->seq_cnt, ms, dtp->fmt);
172 len += snprintf(buf+len, size-len, buffer,
173 dtp->data1, dtp->data2, dtp->data3);
175 for (i = 0; i < index; i++) {
176 dtp = vport->disc_trc + i;
179 ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
181 LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
182 dtp->seq_cnt, ms, dtp->fmt);
183 len += snprintf(buf+len, size-len, buffer,
184 dtp->data1, dtp->data2, dtp->data3);
187 lpfc_debugfs_enable = enable;
192 * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer
193 * @phba: The HBA to gather the log info from.
194 * @buf: The buffer to dump log into.
195 * @size: The maximum amount of data to process.
198 * This routine gathers the lpfc slow ring debugfs data from the @phba and
199 * dumps it to @buf up to @size number of bytes. It will start at the next entry
200 * in the log and process the log until the end of the buffer. Then it will
201 * gather from the beginning of the log and process until the current entry.
204 * Slow ring logging will be disabled while while this routine dumps the log.
207 * This routine returns the amount of bytes that were dumped into @buf and will
211 lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size)
213 int i, index, len, enable;
215 struct lpfc_debugfs_trc *dtp;
216 char buffer[LPFC_DEBUG_TRC_ENTRY_SIZE];
219 enable = lpfc_debugfs_enable;
220 lpfc_debugfs_enable = 0;
223 index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) &
224 (lpfc_debugfs_max_slow_ring_trc - 1);
225 for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) {
226 dtp = phba->slow_ring_trc + i;
229 ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
231 LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
232 dtp->seq_cnt, ms, dtp->fmt);
233 len += snprintf(buf+len, size-len, buffer,
234 dtp->data1, dtp->data2, dtp->data3);
236 for (i = 0; i < index; i++) {
237 dtp = phba->slow_ring_trc + i;
240 ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
242 LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
243 dtp->seq_cnt, ms, dtp->fmt);
244 len += snprintf(buf+len, size-len, buffer,
245 dtp->data1, dtp->data2, dtp->data3);
248 lpfc_debugfs_enable = enable;
252 static int lpfc_debugfs_last_hbq = -1;
255 * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer
256 * @phba: The HBA to gather host buffer info from.
257 * @buf: The buffer to dump log into.
258 * @size: The maximum amount of data to process.
261 * This routine dumps the host buffer queue info from the @phba to @buf up to
262 * @size number of bytes. A header that describes the current hbq state will be
263 * dumped to @buf first and then info on each hbq entry will be dumped to @buf
264 * until @size bytes have been dumped or all the hbq info has been dumped.
267 * This routine will rotate through each configured HBQ each time called.
270 * This routine returns the amount of bytes that were dumped into @buf and will
274 lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size)
277 int cnt, i, j, found, posted, low;
278 uint32_t phys, raw_index, getidx;
279 struct lpfc_hbq_init *hip;
281 struct lpfc_hbq_entry *hbqe;
282 struct lpfc_dmabuf *d_buf;
283 struct hbq_dmabuf *hbq_buf;
285 if (phba->sli_rev != 3)
287 cnt = LPFC_HBQINFO_SIZE;
288 spin_lock_irq(&phba->hbalock);
290 /* toggle between multiple hbqs, if any */
291 i = lpfc_sli_hbq_count();
293 lpfc_debugfs_last_hbq++;
294 if (lpfc_debugfs_last_hbq >= i)
295 lpfc_debugfs_last_hbq = 0;
298 lpfc_debugfs_last_hbq = 0;
300 i = lpfc_debugfs_last_hbq;
302 len += snprintf(buf+len, size-len, "HBQ %d Info\n", i);
304 hbqs = &phba->hbqs[i];
306 list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list)
309 hip = lpfc_hbq_defs[i];
310 len += snprintf(buf+len, size-len,
311 "idx:%d prof:%d rn:%d bufcnt:%d icnt:%d acnt:%d posted %d\n",
312 hip->hbq_index, hip->profile, hip->rn,
313 hip->buffer_count, hip->init_count, hip->add_count, posted);
315 raw_index = phba->hbq_get[i];
316 getidx = le32_to_cpu(raw_index);
317 len += snprintf(buf+len, size-len,
318 "entrys:%d bufcnt:%d Put:%d nPut:%d localGet:%d hbaGet:%d\n",
319 hbqs->entry_count, hbqs->buffer_count, hbqs->hbqPutIdx,
320 hbqs->next_hbqPutIdx, hbqs->local_hbqGetIdx, getidx);
322 hbqe = (struct lpfc_hbq_entry *) phba->hbqs[i].hbq_virt;
323 for (j=0; j<hbqs->entry_count; j++) {
324 len += snprintf(buf+len, size-len,
325 "%03d: %08x %04x %05x ", j,
326 le32_to_cpu(hbqe->bde.addrLow),
327 le32_to_cpu(hbqe->bde.tus.w),
328 le32_to_cpu(hbqe->buffer_tag));
332 /* First calculate if slot has an associated posted buffer */
333 low = hbqs->hbqPutIdx - posted;
335 if ((j >= hbqs->hbqPutIdx) || (j < low)) {
336 len += snprintf(buf+len, size-len, "Unused\n");
341 if ((j >= hbqs->hbqPutIdx) &&
342 (j < (hbqs->entry_count+low))) {
343 len += snprintf(buf+len, size-len, "Unused\n");
348 /* Get the Buffer info for the posted buffer */
349 list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) {
350 hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf);
351 phys = ((uint64_t)hbq_buf->dbuf.phys & 0xffffffff);
352 if (phys == le32_to_cpu(hbqe->bde.addrLow)) {
353 len += snprintf(buf+len, size-len,
354 "Buf%d: %p %06x\n", i,
355 hbq_buf->dbuf.virt, hbq_buf->tag);
362 len += snprintf(buf+len, size-len, "No DMAinfo?\n");
366 if (len > LPFC_HBQINFO_SIZE - 54)
369 spin_unlock_irq(&phba->hbalock);
373 static int lpfc_debugfs_last_hba_slim_off;
376 * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer
377 * @phba: The HBA to gather SLIM info from.
378 * @buf: The buffer to dump log into.
379 * @size: The maximum amount of data to process.
382 * This routine dumps the current contents of HBA SLIM for the HBA associated
383 * with @phba to @buf up to @size bytes of data. This is the raw HBA SLIM data.
386 * This routine will only dump up to 1024 bytes of data each time called and
387 * should be called multiple times to dump the entire HBA SLIM.
390 * This routine returns the amount of bytes that were dumped into @buf and will
394 lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size)
402 spin_lock_irq(&phba->hbalock);
404 len += snprintf(buf+len, size-len, "HBA SLIM\n");
405 lpfc_memcpy_from_slim(buffer,
406 phba->MBslimaddr + lpfc_debugfs_last_hba_slim_off, 1024);
408 ptr = (uint32_t *)&buffer[0];
409 off = lpfc_debugfs_last_hba_slim_off;
411 /* Set it up for the next time */
412 lpfc_debugfs_last_hba_slim_off += 1024;
413 if (lpfc_debugfs_last_hba_slim_off >= 4096)
414 lpfc_debugfs_last_hba_slim_off = 0;
418 len += snprintf(buf+len, size-len,
419 "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
420 off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
421 *(ptr+5), *(ptr+6), *(ptr+7));
423 i -= (8 * sizeof(uint32_t));
424 off += (8 * sizeof(uint32_t));
427 spin_unlock_irq(&phba->hbalock);
432 * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer
433 * @phba: The HBA to gather Host SLIM info from.
434 * @buf: The buffer to dump log into.
435 * @size: The maximum amount of data to process.
438 * This routine dumps the current contents of host SLIM for the host associated
439 * with @phba to @buf up to @size bytes of data. The dump will contain the
440 * Mailbox, PCB, Rings, and Registers that are located in host memory.
443 * This routine returns the amount of bytes that were dumped into @buf and will
447 lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size)
451 uint32_t word0, word1, word2, word3;
453 struct lpfc_pgp *pgpp;
454 struct lpfc_sli *psli = &phba->sli;
455 struct lpfc_sli_ring *pring;
458 spin_lock_irq(&phba->hbalock);
460 len += snprintf(buf+len, size-len, "SLIM Mailbox\n");
461 ptr = (uint32_t *)phba->slim2p.virt;
462 i = sizeof(MAILBOX_t);
464 len += snprintf(buf+len, size-len,
465 "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
466 off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
467 *(ptr+5), *(ptr+6), *(ptr+7));
469 i -= (8 * sizeof(uint32_t));
470 off += (8 * sizeof(uint32_t));
473 len += snprintf(buf+len, size-len, "SLIM PCB\n");
474 ptr = (uint32_t *)phba->pcb;
477 len += snprintf(buf+len, size-len,
478 "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
479 off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
480 *(ptr+5), *(ptr+6), *(ptr+7));
482 i -= (8 * sizeof(uint32_t));
483 off += (8 * sizeof(uint32_t));
486 for (i = 0; i < 4; i++) {
487 pgpp = &phba->port_gp[i];
488 pring = &psli->ring[i];
489 len += snprintf(buf+len, size-len,
490 "Ring %d: CMD GetInx:%d (Max:%d Next:%d "
491 "Local:%d flg:x%x) RSP PutInx:%d Max:%d\n",
492 i, pgpp->cmdGetInx, pring->numCiocb,
493 pring->next_cmdidx, pring->local_getidx,
494 pring->flag, pgpp->rspPutInx, pring->numRiocb);
497 if (phba->sli_rev <= LPFC_SLI_REV3) {
498 word0 = readl(phba->HAregaddr);
499 word1 = readl(phba->CAregaddr);
500 word2 = readl(phba->HSregaddr);
501 word3 = readl(phba->HCregaddr);
502 len += snprintf(buf+len, size-len, "HA:%08x CA:%08x HS:%08x "
503 "HC:%08x\n", word0, word1, word2, word3);
505 spin_unlock_irq(&phba->hbalock);
510 * lpfc_debugfs_nodelist_data - Dump target node list to a buffer
511 * @vport: The vport to gather target node info from.
512 * @buf: The buffer to dump log into.
513 * @size: The maximum amount of data to process.
516 * This routine dumps the current target node list associated with @vport to
517 * @buf up to @size bytes of data. Each node entry in the dump will contain a
518 * node state, DID, WWPN, WWNN, RPI, flags, type, and other useful fields.
521 * This routine returns the amount of bytes that were dumped into @buf and will
525 lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size)
529 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
530 struct lpfc_nodelist *ndlp;
531 unsigned char *statep, *name;
533 cnt = (LPFC_NODELIST_SIZE / LPFC_NODELIST_ENTRY_SIZE);
535 spin_lock_irq(shost->host_lock);
536 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
538 len += snprintf(buf+len, size-len,
539 "Missing Nodelist Entries\n");
543 switch (ndlp->nlp_state) {
544 case NLP_STE_UNUSED_NODE:
547 case NLP_STE_PLOGI_ISSUE:
550 case NLP_STE_ADISC_ISSUE:
553 case NLP_STE_REG_LOGIN_ISSUE:
556 case NLP_STE_PRLI_ISSUE:
559 case NLP_STE_UNMAPPED_NODE:
562 case NLP_STE_MAPPED_NODE:
565 case NLP_STE_NPR_NODE:
571 len += snprintf(buf+len, size-len, "%s DID:x%06x ",
572 statep, ndlp->nlp_DID);
573 name = (unsigned char *)&ndlp->nlp_portname;
574 len += snprintf(buf+len, size-len,
575 "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x ",
576 *name, *(name+1), *(name+2), *(name+3),
577 *(name+4), *(name+5), *(name+6), *(name+7));
578 name = (unsigned char *)&ndlp->nlp_nodename;
579 len += snprintf(buf+len, size-len,
580 "WWNN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x ",
581 *name, *(name+1), *(name+2), *(name+3),
582 *(name+4), *(name+5), *(name+6), *(name+7));
583 len += snprintf(buf+len, size-len, "RPI:%03d flag:x%08x ",
584 ndlp->nlp_rpi, ndlp->nlp_flag);
586 len += snprintf(buf+len, size-len, "UNKNOWN_TYPE ");
587 if (ndlp->nlp_type & NLP_FC_NODE)
588 len += snprintf(buf+len, size-len, "FC_NODE ");
589 if (ndlp->nlp_type & NLP_FABRIC)
590 len += snprintf(buf+len, size-len, "FABRIC ");
591 if (ndlp->nlp_type & NLP_FCP_TARGET)
592 len += snprintf(buf+len, size-len, "FCP_TGT sid:%d ",
594 if (ndlp->nlp_type & NLP_FCP_INITIATOR)
595 len += snprintf(buf+len, size-len, "FCP_INITIATOR ");
596 len += snprintf(buf+len, size-len, "usgmap:%x ",
598 len += snprintf(buf+len, size-len, "refcnt:%x",
599 atomic_read(&ndlp->kref.refcount));
600 len += snprintf(buf+len, size-len, "\n");
602 spin_unlock_irq(shost->host_lock);
608 * lpfc_debugfs_disc_trc - Store discovery trace log
609 * @vport: The vport to associate this trace string with for retrieval.
610 * @mask: Log entry classification.
611 * @fmt: Format string to be displayed when dumping the log.
612 * @data1: 1st data parameter to be applied to @fmt.
613 * @data2: 2nd data parameter to be applied to @fmt.
614 * @data3: 3rd data parameter to be applied to @fmt.
617 * This routine is used by the driver code to add a debugfs log entry to the
618 * discovery trace buffer associated with @vport. Only entries with a @mask that
619 * match the current debugfs discovery mask will be saved. Entries that do not
620 * match will be thrown away. @fmt, @data1, @data2, and @data3 are used like
621 * printf when displaying the log.
624 lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt,
625 uint32_t data1, uint32_t data2, uint32_t data3)
627 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
628 struct lpfc_debugfs_trc *dtp;
631 if (!(lpfc_debugfs_mask_disc_trc & mask))
634 if (!lpfc_debugfs_enable || !lpfc_debugfs_max_disc_trc ||
635 !vport || !vport->disc_trc)
638 index = atomic_inc_return(&vport->disc_trc_cnt) &
639 (lpfc_debugfs_max_disc_trc - 1);
640 dtp = vport->disc_trc + index;
645 dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
652 * lpfc_debugfs_slow_ring_trc - Store slow ring trace log
653 * @phba: The phba to associate this trace string with for retrieval.
654 * @fmt: Format string to be displayed when dumping the log.
655 * @data1: 1st data parameter to be applied to @fmt.
656 * @data2: 2nd data parameter to be applied to @fmt.
657 * @data3: 3rd data parameter to be applied to @fmt.
660 * This routine is used by the driver code to add a debugfs log entry to the
661 * discovery trace buffer associated with @vport. @fmt, @data1, @data2, and
662 * @data3 are used like printf when displaying the log.
665 lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt,
666 uint32_t data1, uint32_t data2, uint32_t data3)
668 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
669 struct lpfc_debugfs_trc *dtp;
672 if (!lpfc_debugfs_enable || !lpfc_debugfs_max_slow_ring_trc ||
673 !phba || !phba->slow_ring_trc)
676 index = atomic_inc_return(&phba->slow_ring_trc_cnt) &
677 (lpfc_debugfs_max_slow_ring_trc - 1);
678 dtp = phba->slow_ring_trc + index;
683 dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
689 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
691 * lpfc_debugfs_disc_trc_open - Open the discovery trace log
692 * @inode: The inode pointer that contains a vport pointer.
693 * @file: The file pointer to attach the log output.
696 * This routine is the entry point for the debugfs open file operation. It gets
697 * the vport from the i_private field in @inode, allocates the necessary buffer
698 * for the log, fills the buffer from the in-memory log for this vport, and then
699 * returns a pointer to that log in the private_data field in @file.
702 * This function returns zero if successful. On error it will return an negative
706 lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file)
708 struct lpfc_vport *vport = inode->i_private;
709 struct lpfc_debug *debug;
713 if (!lpfc_debugfs_max_disc_trc) {
718 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
722 /* Round to page boundary */
723 size = (lpfc_debugfs_max_disc_trc * LPFC_DEBUG_TRC_ENTRY_SIZE);
724 size = PAGE_ALIGN(size);
726 debug->buffer = kmalloc(size, GFP_KERNEL);
727 if (!debug->buffer) {
732 debug->len = lpfc_debugfs_disc_trc_data(vport, debug->buffer, size);
733 file->private_data = debug;
741 * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log
742 * @inode: The inode pointer that contains a vport pointer.
743 * @file: The file pointer to attach the log output.
746 * This routine is the entry point for the debugfs open file operation. It gets
747 * the vport from the i_private field in @inode, allocates the necessary buffer
748 * for the log, fills the buffer from the in-memory log for this vport, and then
749 * returns a pointer to that log in the private_data field in @file.
752 * This function returns zero if successful. On error it will return an negative
756 lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file)
758 struct lpfc_hba *phba = inode->i_private;
759 struct lpfc_debug *debug;
763 if (!lpfc_debugfs_max_slow_ring_trc) {
768 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
772 /* Round to page boundary */
773 size = (lpfc_debugfs_max_slow_ring_trc * LPFC_DEBUG_TRC_ENTRY_SIZE);
774 size = PAGE_ALIGN(size);
776 debug->buffer = kmalloc(size, GFP_KERNEL);
777 if (!debug->buffer) {
782 debug->len = lpfc_debugfs_slow_ring_trc_data(phba, debug->buffer, size);
783 file->private_data = debug;
791 * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer
792 * @inode: The inode pointer that contains a vport pointer.
793 * @file: The file pointer to attach the log output.
796 * This routine is the entry point for the debugfs open file operation. It gets
797 * the vport from the i_private field in @inode, allocates the necessary buffer
798 * for the log, fills the buffer from the in-memory log for this vport, and then
799 * returns a pointer to that log in the private_data field in @file.
802 * This function returns zero if successful. On error it will return an negative
806 lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file)
808 struct lpfc_hba *phba = inode->i_private;
809 struct lpfc_debug *debug;
812 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
816 /* Round to page boundary */
817 debug->buffer = kmalloc(LPFC_HBQINFO_SIZE, GFP_KERNEL);
818 if (!debug->buffer) {
823 debug->len = lpfc_debugfs_hbqinfo_data(phba, debug->buffer,
825 file->private_data = debug;
833 * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer
834 * @inode: The inode pointer that contains a vport pointer.
835 * @file: The file pointer to attach the log output.
838 * This routine is the entry point for the debugfs open file operation. It gets
839 * the vport from the i_private field in @inode, allocates the necessary buffer
840 * for the log, fills the buffer from the in-memory log for this vport, and then
841 * returns a pointer to that log in the private_data field in @file.
844 * This function returns zero if successful. On error it will return an negative
848 lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file)
850 struct lpfc_hba *phba = inode->i_private;
851 struct lpfc_debug *debug;
854 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
858 /* Round to page boundary */
859 debug->buffer = kmalloc(LPFC_DUMPHBASLIM_SIZE, GFP_KERNEL);
860 if (!debug->buffer) {
865 debug->len = lpfc_debugfs_dumpHBASlim_data(phba, debug->buffer,
866 LPFC_DUMPHBASLIM_SIZE);
867 file->private_data = debug;
875 * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer
876 * @inode: The inode pointer that contains a vport pointer.
877 * @file: The file pointer to attach the log output.
880 * This routine is the entry point for the debugfs open file operation. It gets
881 * the vport from the i_private field in @inode, allocates the necessary buffer
882 * for the log, fills the buffer from the in-memory log for this vport, and then
883 * returns a pointer to that log in the private_data field in @file.
886 * This function returns zero if successful. On error it will return an negative
890 lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file)
892 struct lpfc_hba *phba = inode->i_private;
893 struct lpfc_debug *debug;
896 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
900 /* Round to page boundary */
901 debug->buffer = kmalloc(LPFC_DUMPHOSTSLIM_SIZE, GFP_KERNEL);
902 if (!debug->buffer) {
907 debug->len = lpfc_debugfs_dumpHostSlim_data(phba, debug->buffer,
908 LPFC_DUMPHOSTSLIM_SIZE);
909 file->private_data = debug;
917 lpfc_debugfs_dumpData_open(struct inode *inode, struct file *file)
919 struct lpfc_debug *debug;
925 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
929 /* Round to page boundry */
930 printk(KERN_ERR "BLKGRD %s: _dump_buf_data=0x%p\n",
931 __func__, _dump_buf_data);
932 debug->buffer = _dump_buf_data;
933 if (!debug->buffer) {
938 debug->len = (1 << _dump_buf_data_order) << PAGE_SHIFT;
939 file->private_data = debug;
947 lpfc_debugfs_dumpDif_open(struct inode *inode, struct file *file)
949 struct lpfc_debug *debug;
955 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
959 /* Round to page boundry */
960 printk(KERN_ERR "BLKGRD %s: _dump_buf_dif=0x%p file=%s\n", __func__,
961 _dump_buf_dif, file->f_dentry->d_name.name);
962 debug->buffer = _dump_buf_dif;
963 if (!debug->buffer) {
968 debug->len = (1 << _dump_buf_dif_order) << PAGE_SHIFT;
969 file->private_data = debug;
977 lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf,
978 size_t nbytes, loff_t *ppos)
981 * The Data/DIF buffers only save one failing IO
982 * The write op is used as a reset mechanism after an IO has
983 * already been saved to the next one can be saved
985 spin_lock(&_dump_buf_lock);
987 memset((void *)_dump_buf_data, 0,
988 ((1 << PAGE_SHIFT) << _dump_buf_data_order));
989 memset((void *)_dump_buf_dif, 0,
990 ((1 << PAGE_SHIFT) << _dump_buf_dif_order));
994 spin_unlock(&_dump_buf_lock);
1002 * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file
1003 * @inode: The inode pointer that contains a vport pointer.
1004 * @file: The file pointer to attach the log output.
1007 * This routine is the entry point for the debugfs open file operation. It gets
1008 * the vport from the i_private field in @inode, allocates the necessary buffer
1009 * for the log, fills the buffer from the in-memory log for this vport, and then
1010 * returns a pointer to that log in the private_data field in @file.
1013 * This function returns zero if successful. On error it will return an negative
1017 lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file)
1019 struct lpfc_vport *vport = inode->i_private;
1020 struct lpfc_debug *debug;
1023 debug = kmalloc(sizeof(*debug), GFP_KERNEL);
1027 /* Round to page boundary */
1028 debug->buffer = kmalloc(LPFC_NODELIST_SIZE, GFP_KERNEL);
1029 if (!debug->buffer) {
1034 debug->len = lpfc_debugfs_nodelist_data(vport, debug->buffer,
1035 LPFC_NODELIST_SIZE);
1036 file->private_data = debug;
1044 * lpfc_debugfs_lseek - Seek through a debugfs file
1045 * @file: The file pointer to seek through.
1046 * @off: The offset to seek to or the amount to seek by.
1047 * @whence: Indicates how to seek.
1050 * This routine is the entry point for the debugfs lseek file operation. The
1051 * @whence parameter indicates whether @off is the offset to directly seek to,
1052 * or if it is a value to seek forward or reverse by. This function figures out
1053 * what the new offset of the debugfs file will be and assigns that value to the
1054 * f_pos field of @file.
1057 * This function returns the new offset if successful and returns a negative
1058 * error if unable to process the seek.
1061 lpfc_debugfs_lseek(struct file *file, loff_t off, int whence)
1063 struct lpfc_debug *debug;
1066 debug = file->private_data;
1073 pos = file->f_pos + off;
1076 pos = debug->len - off;
1078 return (pos < 0 || pos > debug->len) ? -EINVAL : (file->f_pos = pos);
1082 * lpfc_debugfs_read - Read a debugfs file
1083 * @file: The file pointer to read from.
1084 * @buf: The buffer to copy the data to.
1085 * @nbytes: The number of bytes to read.
1086 * @ppos: The position in the file to start reading from.
1089 * This routine reads data from from the buffer indicated in the private_data
1090 * field of @file. It will start reading at @ppos and copy up to @nbytes of
1094 * This function returns the amount of data that was read (this could be less
1095 * than @nbytes if the end of the file was reached) or a negative error value.
1098 lpfc_debugfs_read(struct file *file, char __user *buf,
1099 size_t nbytes, loff_t *ppos)
1101 struct lpfc_debug *debug = file->private_data;
1102 return simple_read_from_buffer(buf, nbytes, ppos, debug->buffer,
1107 * lpfc_debugfs_release - Release the buffer used to store debugfs file data
1108 * @inode: The inode pointer that contains a vport pointer. (unused)
1109 * @file: The file pointer that contains the buffer to release.
1112 * This routine frees the buffer that was allocated when the debugfs file was
1116 * This function returns zero.
1119 lpfc_debugfs_release(struct inode *inode, struct file *file)
1121 struct lpfc_debug *debug = file->private_data;
1123 kfree(debug->buffer);
1130 lpfc_debugfs_dumpDataDif_release(struct inode *inode, struct file *file)
1132 struct lpfc_debug *debug = file->private_data;
1134 debug->buffer = NULL;
1140 #undef lpfc_debugfs_op_disc_trc
1141 static const struct file_operations lpfc_debugfs_op_disc_trc = {
1142 .owner = THIS_MODULE,
1143 .open = lpfc_debugfs_disc_trc_open,
1144 .llseek = lpfc_debugfs_lseek,
1145 .read = lpfc_debugfs_read,
1146 .release = lpfc_debugfs_release,
1149 #undef lpfc_debugfs_op_nodelist
1150 static const struct file_operations lpfc_debugfs_op_nodelist = {
1151 .owner = THIS_MODULE,
1152 .open = lpfc_debugfs_nodelist_open,
1153 .llseek = lpfc_debugfs_lseek,
1154 .read = lpfc_debugfs_read,
1155 .release = lpfc_debugfs_release,
1158 #undef lpfc_debugfs_op_hbqinfo
1159 static const struct file_operations lpfc_debugfs_op_hbqinfo = {
1160 .owner = THIS_MODULE,
1161 .open = lpfc_debugfs_hbqinfo_open,
1162 .llseek = lpfc_debugfs_lseek,
1163 .read = lpfc_debugfs_read,
1164 .release = lpfc_debugfs_release,
1167 #undef lpfc_debugfs_op_dumpHBASlim
1168 static const struct file_operations lpfc_debugfs_op_dumpHBASlim = {
1169 .owner = THIS_MODULE,
1170 .open = lpfc_debugfs_dumpHBASlim_open,
1171 .llseek = lpfc_debugfs_lseek,
1172 .read = lpfc_debugfs_read,
1173 .release = lpfc_debugfs_release,
1176 #undef lpfc_debugfs_op_dumpHostSlim
1177 static const struct file_operations lpfc_debugfs_op_dumpHostSlim = {
1178 .owner = THIS_MODULE,
1179 .open = lpfc_debugfs_dumpHostSlim_open,
1180 .llseek = lpfc_debugfs_lseek,
1181 .read = lpfc_debugfs_read,
1182 .release = lpfc_debugfs_release,
1185 #undef lpfc_debugfs_op_dumpData
1186 static const struct file_operations lpfc_debugfs_op_dumpData = {
1187 .owner = THIS_MODULE,
1188 .open = lpfc_debugfs_dumpData_open,
1189 .llseek = lpfc_debugfs_lseek,
1190 .read = lpfc_debugfs_read,
1191 .write = lpfc_debugfs_dumpDataDif_write,
1192 .release = lpfc_debugfs_dumpDataDif_release,
1195 #undef lpfc_debugfs_op_dumpDif
1196 static const struct file_operations lpfc_debugfs_op_dumpDif = {
1197 .owner = THIS_MODULE,
1198 .open = lpfc_debugfs_dumpDif_open,
1199 .llseek = lpfc_debugfs_lseek,
1200 .read = lpfc_debugfs_read,
1201 .write = lpfc_debugfs_dumpDataDif_write,
1202 .release = lpfc_debugfs_dumpDataDif_release,
1205 #undef lpfc_debugfs_op_slow_ring_trc
1206 static const struct file_operations lpfc_debugfs_op_slow_ring_trc = {
1207 .owner = THIS_MODULE,
1208 .open = lpfc_debugfs_slow_ring_trc_open,
1209 .llseek = lpfc_debugfs_lseek,
1210 .read = lpfc_debugfs_read,
1211 .release = lpfc_debugfs_release,
1214 static struct dentry *lpfc_debugfs_root = NULL;
1215 static atomic_t lpfc_debugfs_hba_count;
1219 * lpfc_debugfs_initialize - Initialize debugfs for a vport
1220 * @vport: The vport pointer to initialize.
1223 * When Debugfs is configured this routine sets up the lpfc debugfs file system.
1224 * If not already created, this routine will create the lpfc directory, and
1225 * lpfcX directory (for this HBA), and vportX directory for this vport. It will
1226 * also create each file used to access lpfc specific debugfs information.
1229 lpfc_debugfs_initialize(struct lpfc_vport *vport)
1231 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1232 struct lpfc_hba *phba = vport->phba;
1236 if (!lpfc_debugfs_enable)
1239 /* Setup lpfc root directory */
1240 if (!lpfc_debugfs_root) {
1241 lpfc_debugfs_root = debugfs_create_dir("lpfc", NULL);
1242 atomic_set(&lpfc_debugfs_hba_count, 0);
1243 if (!lpfc_debugfs_root) {
1244 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1245 "0408 Cannot create debugfs root\n");
1249 if (!lpfc_debugfs_start_time)
1250 lpfc_debugfs_start_time = jiffies;
1252 /* Setup lpfcX directory for specific HBA */
1253 snprintf(name, sizeof(name), "lpfc%d", phba->brd_no);
1254 if (!phba->hba_debugfs_root) {
1255 phba->hba_debugfs_root =
1256 debugfs_create_dir(name, lpfc_debugfs_root);
1257 if (!phba->hba_debugfs_root) {
1258 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1259 "0412 Cannot create debugfs hba\n");
1262 atomic_inc(&lpfc_debugfs_hba_count);
1263 atomic_set(&phba->debugfs_vport_count, 0);
1266 snprintf(name, sizeof(name), "hbqinfo");
1267 phba->debug_hbqinfo =
1268 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
1269 phba->hba_debugfs_root,
1270 phba, &lpfc_debugfs_op_hbqinfo);
1271 if (!phba->debug_hbqinfo) {
1272 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1273 "0411 Cannot create debugfs hbqinfo\n");
1277 /* Setup dumpHBASlim */
1278 snprintf(name, sizeof(name), "dumpHBASlim");
1279 phba->debug_dumpHBASlim =
1280 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
1281 phba->hba_debugfs_root,
1282 phba, &lpfc_debugfs_op_dumpHBASlim);
1283 if (!phba->debug_dumpHBASlim) {
1284 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1285 "0413 Cannot create debugfs dumpHBASlim\n");
1289 /* Setup dumpHostSlim */
1290 snprintf(name, sizeof(name), "dumpHostSlim");
1291 phba->debug_dumpHostSlim =
1292 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
1293 phba->hba_debugfs_root,
1294 phba, &lpfc_debugfs_op_dumpHostSlim);
1295 if (!phba->debug_dumpHostSlim) {
1296 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1297 "0414 Cannot create debugfs dumpHostSlim\n");
1301 /* Setup dumpData */
1302 snprintf(name, sizeof(name), "dumpData");
1303 phba->debug_dumpData =
1304 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
1305 phba->hba_debugfs_root,
1306 phba, &lpfc_debugfs_op_dumpData);
1307 if (!phba->debug_dumpData) {
1308 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1309 "0800 Cannot create debugfs dumpData\n");
1314 snprintf(name, sizeof(name), "dumpDif");
1315 phba->debug_dumpDif =
1316 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
1317 phba->hba_debugfs_root,
1318 phba, &lpfc_debugfs_op_dumpDif);
1319 if (!phba->debug_dumpDif) {
1320 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1321 "0801 Cannot create debugfs dumpDif\n");
1327 /* Setup slow ring trace */
1328 if (lpfc_debugfs_max_slow_ring_trc) {
1329 num = lpfc_debugfs_max_slow_ring_trc - 1;
1330 if (num & lpfc_debugfs_max_slow_ring_trc) {
1331 /* Change to be a power of 2 */
1332 num = lpfc_debugfs_max_slow_ring_trc;
1338 lpfc_debugfs_max_slow_ring_trc = (1 << i);
1340 "lpfc_debugfs_max_disc_trc changed to "
1341 "%d\n", lpfc_debugfs_max_disc_trc);
1346 snprintf(name, sizeof(name), "slow_ring_trace");
1347 phba->debug_slow_ring_trc =
1348 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
1349 phba->hba_debugfs_root,
1350 phba, &lpfc_debugfs_op_slow_ring_trc);
1351 if (!phba->debug_slow_ring_trc) {
1352 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1353 "0415 Cannot create debugfs "
1354 "slow_ring_trace\n");
1357 if (!phba->slow_ring_trc) {
1358 phba->slow_ring_trc = kmalloc(
1359 (sizeof(struct lpfc_debugfs_trc) *
1360 lpfc_debugfs_max_slow_ring_trc),
1362 if (!phba->slow_ring_trc) {
1363 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1364 "0416 Cannot create debugfs "
1365 "slow_ring buffer\n");
1368 atomic_set(&phba->slow_ring_trc_cnt, 0);
1369 memset(phba->slow_ring_trc, 0,
1370 (sizeof(struct lpfc_debugfs_trc) *
1371 lpfc_debugfs_max_slow_ring_trc));
1375 snprintf(name, sizeof(name), "vport%d", vport->vpi);
1376 if (!vport->vport_debugfs_root) {
1377 vport->vport_debugfs_root =
1378 debugfs_create_dir(name, phba->hba_debugfs_root);
1379 if (!vport->vport_debugfs_root) {
1380 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1381 "0417 Cant create debugfs");
1384 atomic_inc(&phba->debugfs_vport_count);
1387 if (lpfc_debugfs_max_disc_trc) {
1388 num = lpfc_debugfs_max_disc_trc - 1;
1389 if (num & lpfc_debugfs_max_disc_trc) {
1390 /* Change to be a power of 2 */
1391 num = lpfc_debugfs_max_disc_trc;
1397 lpfc_debugfs_max_disc_trc = (1 << i);
1399 "lpfc_debugfs_max_disc_trc changed to %d\n",
1400 lpfc_debugfs_max_disc_trc);
1404 vport->disc_trc = kzalloc(
1405 (sizeof(struct lpfc_debugfs_trc) * lpfc_debugfs_max_disc_trc),
1408 if (!vport->disc_trc) {
1409 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1410 "0418 Cannot create debugfs disc trace "
1414 atomic_set(&vport->disc_trc_cnt, 0);
1416 snprintf(name, sizeof(name), "discovery_trace");
1417 vport->debug_disc_trc =
1418 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
1419 vport->vport_debugfs_root,
1420 vport, &lpfc_debugfs_op_disc_trc);
1421 if (!vport->debug_disc_trc) {
1422 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1423 "0419 Cannot create debugfs "
1424 "discovery_trace\n");
1427 snprintf(name, sizeof(name), "nodelist");
1428 vport->debug_nodelist =
1429 debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
1430 vport->vport_debugfs_root,
1431 vport, &lpfc_debugfs_op_nodelist);
1432 if (!vport->debug_nodelist) {
1433 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1434 "0409 Cant create debugfs nodelist");
1443 * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport
1444 * @vport: The vport pointer to remove from debugfs.
1447 * When Debugfs is configured this routine removes debugfs file system elements
1448 * that are specific to this vport. It also checks to see if there are any
1449 * users left for the debugfs directories associated with the HBA and driver. If
1450 * this is the last user of the HBA directory or driver directory then it will
1451 * remove those from the debugfs infrastructure as well.
1454 lpfc_debugfs_terminate(struct lpfc_vport *vport)
1456 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1457 struct lpfc_hba *phba = vport->phba;
1459 if (vport->disc_trc) {
1460 kfree(vport->disc_trc);
1461 vport->disc_trc = NULL;
1463 if (vport->debug_disc_trc) {
1464 debugfs_remove(vport->debug_disc_trc); /* discovery_trace */
1465 vport->debug_disc_trc = NULL;
1467 if (vport->debug_nodelist) {
1468 debugfs_remove(vport->debug_nodelist); /* nodelist */
1469 vport->debug_nodelist = NULL;
1472 if (vport->vport_debugfs_root) {
1473 debugfs_remove(vport->vport_debugfs_root); /* vportX */
1474 vport->vport_debugfs_root = NULL;
1475 atomic_dec(&phba->debugfs_vport_count);
1477 if (atomic_read(&phba->debugfs_vport_count) == 0) {
1479 if (phba->debug_hbqinfo) {
1480 debugfs_remove(phba->debug_hbqinfo); /* hbqinfo */
1481 phba->debug_hbqinfo = NULL;
1483 if (phba->debug_dumpHBASlim) {
1484 debugfs_remove(phba->debug_dumpHBASlim); /* HBASlim */
1485 phba->debug_dumpHBASlim = NULL;
1487 if (phba->debug_dumpHostSlim) {
1488 debugfs_remove(phba->debug_dumpHostSlim); /* HostSlim */
1489 phba->debug_dumpHostSlim = NULL;
1491 if (phba->debug_dumpData) {
1492 debugfs_remove(phba->debug_dumpData); /* dumpData */
1493 phba->debug_dumpData = NULL;
1496 if (phba->debug_dumpDif) {
1497 debugfs_remove(phba->debug_dumpDif); /* dumpDif */
1498 phba->debug_dumpDif = NULL;
1501 if (phba->slow_ring_trc) {
1502 kfree(phba->slow_ring_trc);
1503 phba->slow_ring_trc = NULL;
1505 if (phba->debug_slow_ring_trc) {
1506 /* slow_ring_trace */
1507 debugfs_remove(phba->debug_slow_ring_trc);
1508 phba->debug_slow_ring_trc = NULL;
1511 if (phba->hba_debugfs_root) {
1512 debugfs_remove(phba->hba_debugfs_root); /* lpfcX */
1513 phba->hba_debugfs_root = NULL;
1514 atomic_dec(&lpfc_debugfs_hba_count);
1517 if (atomic_read(&lpfc_debugfs_hba_count) == 0) {
1518 debugfs_remove(lpfc_debugfs_root); /* lpfc */
1519 lpfc_debugfs_root = NULL;