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 "entries:%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_nvmet_tgtport
*tgtp
;
554 struct nvme_fc_remote_port
*nrport
;
556 cnt
= (LPFC_NODELIST_SIZE
/ LPFC_NODELIST_ENTRY_SIZE
);
558 len
+= snprintf(buf
+len
, size
-len
, "\nFCP Nodelist Entries ...\n");
559 spin_lock_irq(shost
->host_lock
);
560 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
562 len
+= snprintf(buf
+len
, size
-len
,
563 "Missing Nodelist Entries\n");
567 switch (ndlp
->nlp_state
) {
568 case NLP_STE_UNUSED_NODE
:
571 case NLP_STE_PLOGI_ISSUE
:
574 case NLP_STE_ADISC_ISSUE
:
577 case NLP_STE_REG_LOGIN_ISSUE
:
580 case NLP_STE_PRLI_ISSUE
:
583 case NLP_STE_LOGO_ISSUE
:
586 case NLP_STE_UNMAPPED_NODE
:
589 case NLP_STE_MAPPED_NODE
:
592 case NLP_STE_NPR_NODE
:
598 len
+= snprintf(buf
+len
, size
-len
, "%s DID:x%06x ",
599 statep
, ndlp
->nlp_DID
);
600 len
+= snprintf(buf
+len
, size
-len
,
602 wwn_to_u64(ndlp
->nlp_portname
.u
.wwn
));
603 len
+= snprintf(buf
+len
, size
-len
,
605 wwn_to_u64(ndlp
->nlp_nodename
.u
.wwn
));
606 if (ndlp
->nlp_flag
& NLP_RPI_REGISTERED
)
607 len
+= snprintf(buf
+len
, size
-len
, "RPI:%03d ",
610 len
+= snprintf(buf
+len
, size
-len
, "RPI:none ");
611 len
+= snprintf(buf
+len
, size
-len
, "flag:x%08x ",
614 len
+= snprintf(buf
+len
, size
-len
, "UNKNOWN_TYPE ");
615 if (ndlp
->nlp_type
& NLP_FC_NODE
)
616 len
+= snprintf(buf
+len
, size
-len
, "FC_NODE ");
617 if (ndlp
->nlp_type
& NLP_FABRIC
)
618 len
+= snprintf(buf
+len
, size
-len
, "FABRIC ");
619 if (ndlp
->nlp_type
& NLP_FCP_TARGET
)
620 len
+= snprintf(buf
+len
, size
-len
, "FCP_TGT sid:%d ",
622 if (ndlp
->nlp_type
& NLP_FCP_INITIATOR
)
623 len
+= snprintf(buf
+len
, size
-len
, "FCP_INITIATOR ");
624 if (ndlp
->nlp_type
& NLP_NVME_TARGET
)
625 len
+= snprintf(buf
+ len
,
626 size
- len
, "NVME_TGT sid:%d ",
628 if (ndlp
->nlp_type
& NLP_NVME_INITIATOR
)
629 len
+= snprintf(buf
+ len
,
630 size
- len
, "NVME_INITIATOR ");
631 len
+= snprintf(buf
+len
, size
-len
, "usgmap:%x ",
633 len
+= snprintf(buf
+len
, size
-len
, "refcnt:%x",
634 kref_read(&ndlp
->kref
));
635 len
+= snprintf(buf
+len
, size
-len
, "\n");
637 spin_unlock_irq(shost
->host_lock
);
639 if (phba
->nvmet_support
&& phba
->targetport
&& (vport
== phba
->pport
)) {
640 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
641 len
+= snprintf(buf
+ len
, size
- len
,
642 "\nNVME Targetport Entry ...\n");
644 /* Port state is only one of two values for now. */
645 if (phba
->targetport
->port_id
)
646 statep
= "REGISTERED";
649 len
+= snprintf(buf
+ len
, size
- len
,
650 "TGT WWNN x%llx WWPN x%llx State %s\n",
651 wwn_to_u64(vport
->fc_nodename
.u
.wwn
),
652 wwn_to_u64(vport
->fc_portname
.u
.wwn
),
654 len
+= snprintf(buf
+ len
, size
- len
,
655 " Targetport DID x%06x\n",
656 phba
->targetport
->port_id
);
660 len
+= snprintf(buf
+ len
, size
- len
,
661 "\nNVME Lport/Rport Entries ...\n");
663 localport
= vport
->localport
;
667 spin_lock_irq(shost
->host_lock
);
669 /* Port state is only one of two values for now. */
670 if (localport
->port_id
)
675 len
+= snprintf(buf
+ len
, size
- len
,
676 "Lport DID x%06x PortState %s\n",
677 localport
->port_id
, statep
);
679 len
+= snprintf(buf
+ len
, size
- len
, "\tRport List:\n");
680 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
681 /* local short-hand pointer. */
685 nrport
= ndlp
->nrport
->remoteport
;
687 /* Port state is only one of two values for now. */
688 switch (nrport
->port_state
) {
689 case FC_OBJSTATE_ONLINE
:
692 case FC_OBJSTATE_UNKNOWN
:
696 statep
= "UNSUPPORTED";
700 /* Tab in to show lport ownership. */
701 len
+= snprintf(buf
+ len
, size
- len
,
702 "\t%s Port ID:x%06x ",
703 statep
, nrport
->port_id
);
704 len
+= snprintf(buf
+ len
, size
- len
, "WWPN x%llx ",
706 len
+= snprintf(buf
+ len
, size
- len
, "WWNN x%llx ",
709 /* An NVME rport can have multiple roles. */
710 if (nrport
->port_role
& FC_PORT_ROLE_NVME_INITIATOR
)
711 len
+= snprintf(buf
+ len
, size
- len
,
713 if (nrport
->port_role
& FC_PORT_ROLE_NVME_TARGET
)
714 len
+= snprintf(buf
+ len
, size
- len
,
716 if (nrport
->port_role
& FC_PORT_ROLE_NVME_DISCOVERY
)
717 len
+= snprintf(buf
+ len
, size
- len
,
719 if (nrport
->port_role
& ~(FC_PORT_ROLE_NVME_INITIATOR
|
720 FC_PORT_ROLE_NVME_TARGET
|
721 FC_PORT_ROLE_NVME_DISCOVERY
))
722 len
+= snprintf(buf
+ len
, size
- len
,
725 /* Terminate the string. */
726 len
+= snprintf(buf
+ len
, size
- len
, "\n");
729 spin_unlock_irq(shost
->host_lock
);
735 * lpfc_debugfs_nvmestat_data - Dump target node list to a buffer
736 * @vport: The vport to gather target node info from.
737 * @buf: The buffer to dump log into.
738 * @size: The maximum amount of data to process.
741 * This routine dumps the NVME statistics associated with @vport
744 * This routine returns the amount of bytes that were dumped into @buf and will
748 lpfc_debugfs_nvmestat_data(struct lpfc_vport
*vport
, char *buf
, int size
)
750 struct lpfc_hba
*phba
= vport
->phba
;
751 struct lpfc_nvmet_tgtport
*tgtp
;
752 struct lpfc_nvmet_rcv_ctx
*ctxp
, *next_ctxp
;
753 uint64_t tot
, data1
, data2
, data3
;
757 if (phba
->nvmet_support
) {
758 if (!phba
->targetport
)
760 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
761 len
+= snprintf(buf
+ len
, size
- len
,
762 "\nNVME Targetport Statistics\n");
764 len
+= snprintf(buf
+ len
, size
- len
,
765 "LS: Rcv %08x Drop %08x Abort %08x\n",
766 atomic_read(&tgtp
->rcv_ls_req_in
),
767 atomic_read(&tgtp
->rcv_ls_req_drop
),
768 atomic_read(&tgtp
->xmt_ls_abort
));
769 if (atomic_read(&tgtp
->rcv_ls_req_in
) !=
770 atomic_read(&tgtp
->rcv_ls_req_out
)) {
771 len
+= snprintf(buf
+ len
, size
- len
,
772 "Rcv LS: in %08x != out %08x\n",
773 atomic_read(&tgtp
->rcv_ls_req_in
),
774 atomic_read(&tgtp
->rcv_ls_req_out
));
777 len
+= snprintf(buf
+ len
, size
- len
,
778 "LS: Xmt %08x Drop %08x Cmpl %08x Err %08x\n",
779 atomic_read(&tgtp
->xmt_ls_rsp
),
780 atomic_read(&tgtp
->xmt_ls_drop
),
781 atomic_read(&tgtp
->xmt_ls_rsp_cmpl
),
782 atomic_read(&tgtp
->xmt_ls_rsp_error
));
784 len
+= snprintf(buf
+ len
, size
- len
,
785 "FCP: Rcv %08x Defer %08x Release %08x "
787 atomic_read(&tgtp
->rcv_fcp_cmd_in
),
788 atomic_read(&tgtp
->rcv_fcp_cmd_defer
),
789 atomic_read(&tgtp
->xmt_fcp_release
),
790 atomic_read(&tgtp
->rcv_fcp_cmd_drop
));
792 if (atomic_read(&tgtp
->rcv_fcp_cmd_in
) !=
793 atomic_read(&tgtp
->rcv_fcp_cmd_out
)) {
794 len
+= snprintf(buf
+ len
, size
- len
,
795 "Rcv FCP: in %08x != out %08x\n",
796 atomic_read(&tgtp
->rcv_fcp_cmd_in
),
797 atomic_read(&tgtp
->rcv_fcp_cmd_out
));
800 len
+= snprintf(buf
+ len
, size
- len
,
801 "FCP Rsp: read %08x readrsp %08x "
802 "write %08x rsp %08x\n",
803 atomic_read(&tgtp
->xmt_fcp_read
),
804 atomic_read(&tgtp
->xmt_fcp_read_rsp
),
805 atomic_read(&tgtp
->xmt_fcp_write
),
806 atomic_read(&tgtp
->xmt_fcp_rsp
));
808 len
+= snprintf(buf
+ len
, size
- len
,
809 "FCP Rsp Cmpl: %08x err %08x drop %08x\n",
810 atomic_read(&tgtp
->xmt_fcp_rsp_cmpl
),
811 atomic_read(&tgtp
->xmt_fcp_rsp_error
),
812 atomic_read(&tgtp
->xmt_fcp_rsp_drop
));
814 len
+= snprintf(buf
+ len
, size
- len
,
815 "ABORT: Xmt %08x Cmpl %08x\n",
816 atomic_read(&tgtp
->xmt_fcp_abort
),
817 atomic_read(&tgtp
->xmt_fcp_abort_cmpl
));
819 len
+= snprintf(buf
+ len
, size
- len
,
820 "ABORT: Sol %08x Usol %08x Err %08x Cmpl %08x",
821 atomic_read(&tgtp
->xmt_abort_sol
),
822 atomic_read(&tgtp
->xmt_abort_unsol
),
823 atomic_read(&tgtp
->xmt_abort_rsp
),
824 atomic_read(&tgtp
->xmt_abort_rsp_error
));
826 len
+= snprintf(buf
+ len
, size
- len
, "\n");
829 spin_lock(&phba
->sli4_hba
.abts_nvme_buf_list_lock
);
830 list_for_each_entry_safe(ctxp
, next_ctxp
,
831 &phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
,
835 spin_unlock(&phba
->sli4_hba
.abts_nvme_buf_list_lock
);
837 len
+= snprintf(buf
+ len
, size
- len
,
838 "ABORT: %d ctx entries\n", cnt
);
839 spin_lock(&phba
->sli4_hba
.abts_nvme_buf_list_lock
);
840 list_for_each_entry_safe(ctxp
, next_ctxp
,
841 &phba
->sli4_hba
.lpfc_abts_nvmet_ctx_list
,
843 if (len
>= (size
- LPFC_DEBUG_OUT_LINE_SZ
))
845 len
+= snprintf(buf
+ len
, size
- len
,
846 "Entry: oxid %x state %x "
848 ctxp
->oxid
, ctxp
->state
,
851 spin_unlock(&phba
->sli4_hba
.abts_nvme_buf_list_lock
);
854 spin_lock(&phba
->sli4_hba
.nvmet_ctx_get_lock
);
855 spin_lock(&phba
->sli4_hba
.nvmet_ctx_put_lock
);
856 tot
= phba
->sli4_hba
.nvmet_xri_cnt
-
857 (phba
->sli4_hba
.nvmet_ctx_get_cnt
+
858 phba
->sli4_hba
.nvmet_ctx_put_cnt
);
859 spin_unlock(&phba
->sli4_hba
.nvmet_ctx_put_lock
);
860 spin_unlock(&phba
->sli4_hba
.nvmet_ctx_get_lock
);
862 len
+= snprintf(buf
+ len
, size
- len
,
863 "IO_CTX: %08x WAIT: cur %08x tot %08x\n"
864 "CTX Outstanding %08llx\n",
865 phba
->sli4_hba
.nvmet_xri_cnt
,
866 phba
->sli4_hba
.nvmet_io_wait_cnt
,
867 phba
->sli4_hba
.nvmet_io_wait_total
,
870 if (!(phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
))
873 len
+= snprintf(buf
+ len
, size
- len
,
874 "\nNVME Lport Statistics\n");
876 len
+= snprintf(buf
+ len
, size
- len
,
877 "LS: Xmt %016x Cmpl %016x\n",
878 atomic_read(&phba
->fc4NvmeLsRequests
),
879 atomic_read(&phba
->fc4NvmeLsCmpls
));
881 tot
= atomic_read(&phba
->fc4NvmeIoCmpls
);
882 data1
= atomic_read(&phba
->fc4NvmeInputRequests
);
883 data2
= atomic_read(&phba
->fc4NvmeOutputRequests
);
884 data3
= atomic_read(&phba
->fc4NvmeControlRequests
);
886 len
+= snprintf(buf
+ len
, size
- len
,
887 "FCP: Rd %016llx Wr %016llx IO %016llx\n",
888 data1
, data2
, data3
);
890 len
+= snprintf(buf
+ len
, size
- len
,
891 " Cmpl %016llx Outstanding %016llx\n",
892 tot
, (data1
+ data2
+ data3
) - tot
);
900 * lpfc_debugfs_nvmektime_data - Dump target node list to a buffer
901 * @vport: The vport to gather target node info from.
902 * @buf: The buffer to dump log into.
903 * @size: The maximum amount of data to process.
906 * This routine dumps the NVME statistics associated with @vport
909 * This routine returns the amount of bytes that were dumped into @buf and will
913 lpfc_debugfs_nvmektime_data(struct lpfc_vport
*vport
, char *buf
, int size
)
915 struct lpfc_hba
*phba
= vport
->phba
;
918 if (phba
->nvmet_support
== 0) {
920 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
921 "ktime %s: Total Samples: %lld\n",
922 (phba
->ktime_on
? "Enabled" : "Disabled"),
923 phba
->ktime_data_samples
);
924 if (phba
->ktime_data_samples
== 0)
928 buf
+ len
, PAGE_SIZE
- len
,
929 "Segment 1: Last NVME Cmd cmpl "
930 "done -to- Start of next NVME cnd (in driver)\n");
932 buf
+ len
, PAGE_SIZE
- len
,
933 "avg:%08lld min:%08lld max %08lld\n",
934 div_u64(phba
->ktime_seg1_total
,
935 phba
->ktime_data_samples
),
936 phba
->ktime_seg1_min
,
937 phba
->ktime_seg1_max
);
939 buf
+ len
, PAGE_SIZE
- len
,
940 "Segment 2: Driver start of NVME cmd "
941 "-to- Firmware WQ doorbell\n");
943 buf
+ len
, PAGE_SIZE
- len
,
944 "avg:%08lld min:%08lld max %08lld\n",
945 div_u64(phba
->ktime_seg2_total
,
946 phba
->ktime_data_samples
),
947 phba
->ktime_seg2_min
,
948 phba
->ktime_seg2_max
);
950 buf
+ len
, PAGE_SIZE
- len
,
951 "Segment 3: Firmware WQ doorbell -to- "
954 buf
+ len
, PAGE_SIZE
- len
,
955 "avg:%08lld min:%08lld max %08lld\n",
956 div_u64(phba
->ktime_seg3_total
,
957 phba
->ktime_data_samples
),
958 phba
->ktime_seg3_min
,
959 phba
->ktime_seg3_max
);
961 buf
+ len
, PAGE_SIZE
- len
,
962 "Segment 4: MSI-X ISR cmpl -to- "
965 buf
+ len
, PAGE_SIZE
- len
,
966 "avg:%08lld min:%08lld max %08lld\n",
967 div_u64(phba
->ktime_seg4_total
,
968 phba
->ktime_data_samples
),
969 phba
->ktime_seg4_min
,
970 phba
->ktime_seg4_max
);
972 buf
+ len
, PAGE_SIZE
- len
,
973 "Total IO avg time: %08lld\n",
974 div_u64(phba
->ktime_seg1_total
+
975 phba
->ktime_seg2_total
+
976 phba
->ktime_seg3_total
+
977 phba
->ktime_seg4_total
,
978 phba
->ktime_data_samples
));
983 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
984 "ktime %s: Total Samples: %lld %lld\n",
985 (phba
->ktime_on
? "Enabled" : "Disabled"),
986 phba
->ktime_data_samples
,
987 phba
->ktime_status_samples
);
988 if (phba
->ktime_data_samples
== 0)
991 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
992 "Segment 1: MSI-X ISR Rcv cmd -to- "
993 "cmd pass to NVME Layer\n");
994 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
995 "avg:%08lld min:%08lld max %08lld\n",
996 div_u64(phba
->ktime_seg1_total
,
997 phba
->ktime_data_samples
),
998 phba
->ktime_seg1_min
,
999 phba
->ktime_seg1_max
);
1000 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1001 "Segment 2: cmd pass to NVME Layer- "
1002 "-to- Driver rcv cmd OP (action)\n");
1003 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1004 "avg:%08lld min:%08lld max %08lld\n",
1005 div_u64(phba
->ktime_seg2_total
,
1006 phba
->ktime_data_samples
),
1007 phba
->ktime_seg2_min
,
1008 phba
->ktime_seg2_max
);
1009 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1010 "Segment 3: Driver rcv cmd OP -to- "
1011 "Firmware WQ doorbell: cmd\n");
1012 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1013 "avg:%08lld min:%08lld max %08lld\n",
1014 div_u64(phba
->ktime_seg3_total
,
1015 phba
->ktime_data_samples
),
1016 phba
->ktime_seg3_min
,
1017 phba
->ktime_seg3_max
);
1018 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1019 "Segment 4: Firmware WQ doorbell: cmd "
1020 "-to- MSI-X ISR for cmd cmpl\n");
1021 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1022 "avg:%08lld min:%08lld max %08lld\n",
1023 div_u64(phba
->ktime_seg4_total
,
1024 phba
->ktime_data_samples
),
1025 phba
->ktime_seg4_min
,
1026 phba
->ktime_seg4_max
);
1027 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1028 "Segment 5: MSI-X ISR for cmd cmpl "
1029 "-to- NVME layer passed cmd done\n");
1030 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1031 "avg:%08lld min:%08lld max %08lld\n",
1032 div_u64(phba
->ktime_seg5_total
,
1033 phba
->ktime_data_samples
),
1034 phba
->ktime_seg5_min
,
1035 phba
->ktime_seg5_max
);
1037 if (phba
->ktime_status_samples
== 0) {
1038 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1039 "Total: cmd received by MSI-X ISR "
1040 "-to- cmd completed on wire\n");
1041 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1042 "avg:%08lld min:%08lld "
1044 div_u64(phba
->ktime_seg10_total
,
1045 phba
->ktime_data_samples
),
1046 phba
->ktime_seg10_min
,
1047 phba
->ktime_seg10_max
);
1051 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1052 "Segment 6: NVME layer passed cmd done "
1053 "-to- Driver rcv rsp status OP\n");
1054 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1055 "avg:%08lld min:%08lld max %08lld\n",
1056 div_u64(phba
->ktime_seg6_total
,
1057 phba
->ktime_status_samples
),
1058 phba
->ktime_seg6_min
,
1059 phba
->ktime_seg6_max
);
1060 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1061 "Segment 7: Driver rcv rsp status OP "
1062 "-to- Firmware WQ doorbell: status\n");
1063 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1064 "avg:%08lld min:%08lld max %08lld\n",
1065 div_u64(phba
->ktime_seg7_total
,
1066 phba
->ktime_status_samples
),
1067 phba
->ktime_seg7_min
,
1068 phba
->ktime_seg7_max
);
1069 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1070 "Segment 8: Firmware WQ doorbell: status"
1071 " -to- MSI-X ISR for status cmpl\n");
1072 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1073 "avg:%08lld min:%08lld max %08lld\n",
1074 div_u64(phba
->ktime_seg8_total
,
1075 phba
->ktime_status_samples
),
1076 phba
->ktime_seg8_min
,
1077 phba
->ktime_seg8_max
);
1078 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1079 "Segment 9: MSI-X ISR for status cmpl "
1080 "-to- NVME layer passed status done\n");
1081 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1082 "avg:%08lld min:%08lld max %08lld\n",
1083 div_u64(phba
->ktime_seg9_total
,
1084 phba
->ktime_status_samples
),
1085 phba
->ktime_seg9_min
,
1086 phba
->ktime_seg9_max
);
1087 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1088 "Total: cmd received by MSI-X ISR -to- "
1089 "cmd completed on wire\n");
1090 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
1091 "avg:%08lld min:%08lld max %08lld\n",
1092 div_u64(phba
->ktime_seg10_total
,
1093 phba
->ktime_status_samples
),
1094 phba
->ktime_seg10_min
,
1095 phba
->ktime_seg10_max
);
1100 * lpfc_debugfs_nvmeio_trc_data - Dump NVME IO trace list to a buffer
1101 * @phba: The phba to gather target node info from.
1102 * @buf: The buffer to dump log into.
1103 * @size: The maximum amount of data to process.
1106 * This routine dumps the NVME IO trace associated with @phba
1109 * This routine returns the amount of bytes that were dumped into @buf and will
1113 lpfc_debugfs_nvmeio_trc_data(struct lpfc_hba
*phba
, char *buf
, int size
)
1115 struct lpfc_debugfs_nvmeio_trc
*dtp
;
1116 int i
, state
, index
, skip
;
1119 state
= phba
->nvmeio_trc_on
;
1121 index
= (atomic_read(&phba
->nvmeio_trc_cnt
) + 1) &
1122 (phba
->nvmeio_trc_size
- 1);
1123 skip
= phba
->nvmeio_trc_output_idx
;
1125 len
+= snprintf(buf
+ len
, size
- len
,
1126 "%s IO Trace %s: next_idx %d skip %d size %d\n",
1127 (phba
->nvmet_support
? "NVME" : "NVMET"),
1128 (state
? "Enabled" : "Disabled"),
1129 index
, skip
, phba
->nvmeio_trc_size
);
1131 if (!phba
->nvmeio_trc
|| state
)
1134 /* trace MUST bhe off to continue */
1136 for (i
= index
; i
< phba
->nvmeio_trc_size
; i
++) {
1141 dtp
= phba
->nvmeio_trc
+ i
;
1142 phba
->nvmeio_trc_output_idx
++;
1147 len
+= snprintf(buf
+ len
, size
- len
, dtp
->fmt
,
1148 dtp
->data1
, dtp
->data2
, dtp
->data3
);
1150 if (phba
->nvmeio_trc_output_idx
>= phba
->nvmeio_trc_size
) {
1151 phba
->nvmeio_trc_output_idx
= 0;
1152 len
+= snprintf(buf
+ len
, size
- len
,
1153 "Trace Complete\n");
1157 if (len
>= (size
- LPFC_DEBUG_OUT_LINE_SZ
)) {
1158 len
+= snprintf(buf
+ len
, size
- len
,
1159 "Trace Continue (%d of %d)\n",
1160 phba
->nvmeio_trc_output_idx
,
1161 phba
->nvmeio_trc_size
);
1165 for (i
= 0; i
< index
; i
++) {
1170 dtp
= phba
->nvmeio_trc
+ i
;
1171 phba
->nvmeio_trc_output_idx
++;
1176 len
+= snprintf(buf
+ len
, size
- len
, dtp
->fmt
,
1177 dtp
->data1
, dtp
->data2
, dtp
->data3
);
1179 if (phba
->nvmeio_trc_output_idx
>= phba
->nvmeio_trc_size
) {
1180 phba
->nvmeio_trc_output_idx
= 0;
1181 len
+= snprintf(buf
+ len
, size
- len
,
1182 "Trace Complete\n");
1186 if (len
>= (size
- LPFC_DEBUG_OUT_LINE_SZ
)) {
1187 len
+= snprintf(buf
+ len
, size
- len
,
1188 "Trace Continue (%d of %d)\n",
1189 phba
->nvmeio_trc_output_idx
,
1190 phba
->nvmeio_trc_size
);
1195 len
+= snprintf(buf
+ len
, size
- len
,
1202 * lpfc_debugfs_cpucheck_data - Dump target node list to a buffer
1203 * @vport: The vport to gather target node info from.
1204 * @buf: The buffer to dump log into.
1205 * @size: The maximum amount of data to process.
1208 * This routine dumps the NVME statistics associated with @vport
1211 * This routine returns the amount of bytes that were dumped into @buf and will
1215 lpfc_debugfs_cpucheck_data(struct lpfc_vport
*vport
, char *buf
, int size
)
1217 struct lpfc_hba
*phba
= vport
->phba
;
1220 uint32_t tot_xmt
= 0;
1221 uint32_t tot_rcv
= 0;
1222 uint32_t tot_cmpl
= 0;
1223 uint32_t tot_ccmpl
= 0;
1225 if (phba
->nvmet_support
== 0) {
1226 /* NVME Initiator */
1227 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
1229 (phba
->cpucheck_on
& LPFC_CHECK_NVME_IO
?
1230 "Enabled" : "Disabled"));
1231 for (i
= 0; i
< phba
->sli4_hba
.num_present_cpu
; i
++) {
1232 if (i
>= LPFC_CHECK_CPU_CNT
)
1234 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
1235 "%02d: xmit x%08x cmpl x%08x\n",
1236 i
, phba
->cpucheck_xmt_io
[i
],
1237 phba
->cpucheck_cmpl_io
[i
]);
1238 tot_xmt
+= phba
->cpucheck_xmt_io
[i
];
1239 tot_cmpl
+= phba
->cpucheck_cmpl_io
[i
];
1241 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
1242 "tot:xmit x%08x cmpl x%08x\n",
1248 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
1250 (phba
->cpucheck_on
& LPFC_CHECK_NVMET_IO
?
1251 "IO Enabled - " : "IO Disabled - "));
1252 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
1254 (phba
->cpucheck_on
& LPFC_CHECK_NVMET_RCV
?
1255 "Rcv Enabled\n" : "Rcv Disabled\n"));
1256 for (i
= 0; i
< phba
->sli4_hba
.num_present_cpu
; i
++) {
1257 if (i
>= LPFC_CHECK_CPU_CNT
)
1259 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
1260 "%02d: xmit x%08x ccmpl x%08x "
1261 "cmpl x%08x rcv x%08x\n",
1262 i
, phba
->cpucheck_xmt_io
[i
],
1263 phba
->cpucheck_ccmpl_io
[i
],
1264 phba
->cpucheck_cmpl_io
[i
],
1265 phba
->cpucheck_rcv_io
[i
]);
1266 tot_xmt
+= phba
->cpucheck_xmt_io
[i
];
1267 tot_rcv
+= phba
->cpucheck_rcv_io
[i
];
1268 tot_cmpl
+= phba
->cpucheck_cmpl_io
[i
];
1269 tot_ccmpl
+= phba
->cpucheck_ccmpl_io
[i
];
1271 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
1272 "tot:xmit x%08x ccmpl x%08x cmpl x%08x rcv x%08x\n",
1273 tot_xmt
, tot_ccmpl
, tot_cmpl
, tot_rcv
);
1280 * lpfc_debugfs_disc_trc - Store discovery trace log
1281 * @vport: The vport to associate this trace string with for retrieval.
1282 * @mask: Log entry classification.
1283 * @fmt: Format string to be displayed when dumping the log.
1284 * @data1: 1st data parameter to be applied to @fmt.
1285 * @data2: 2nd data parameter to be applied to @fmt.
1286 * @data3: 3rd data parameter to be applied to @fmt.
1289 * This routine is used by the driver code to add a debugfs log entry to the
1290 * discovery trace buffer associated with @vport. Only entries with a @mask that
1291 * match the current debugfs discovery mask will be saved. Entries that do not
1292 * match will be thrown away. @fmt, @data1, @data2, and @data3 are used like
1293 * printf when displaying the log.
1296 lpfc_debugfs_disc_trc(struct lpfc_vport
*vport
, int mask
, char *fmt
,
1297 uint32_t data1
, uint32_t data2
, uint32_t data3
)
1299 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1300 struct lpfc_debugfs_trc
*dtp
;
1303 if (!(lpfc_debugfs_mask_disc_trc
& mask
))
1306 if (!lpfc_debugfs_enable
|| !lpfc_debugfs_max_disc_trc
||
1307 !vport
|| !vport
->disc_trc
)
1310 index
= atomic_inc_return(&vport
->disc_trc_cnt
) &
1311 (lpfc_debugfs_max_disc_trc
- 1);
1312 dtp
= vport
->disc_trc
+ index
;
1317 dtp
->seq_cnt
= atomic_inc_return(&lpfc_debugfs_seq_trc_cnt
);
1324 * lpfc_debugfs_slow_ring_trc - Store slow ring trace log
1325 * @phba: The phba to associate this trace string with for retrieval.
1326 * @fmt: Format string to be displayed when dumping the log.
1327 * @data1: 1st data parameter to be applied to @fmt.
1328 * @data2: 2nd data parameter to be applied to @fmt.
1329 * @data3: 3rd data parameter to be applied to @fmt.
1332 * This routine is used by the driver code to add a debugfs log entry to the
1333 * discovery trace buffer associated with @vport. @fmt, @data1, @data2, and
1334 * @data3 are used like printf when displaying the log.
1337 lpfc_debugfs_slow_ring_trc(struct lpfc_hba
*phba
, char *fmt
,
1338 uint32_t data1
, uint32_t data2
, uint32_t data3
)
1340 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1341 struct lpfc_debugfs_trc
*dtp
;
1344 if (!lpfc_debugfs_enable
|| !lpfc_debugfs_max_slow_ring_trc
||
1345 !phba
|| !phba
->slow_ring_trc
)
1348 index
= atomic_inc_return(&phba
->slow_ring_trc_cnt
) &
1349 (lpfc_debugfs_max_slow_ring_trc
- 1);
1350 dtp
= phba
->slow_ring_trc
+ index
;
1355 dtp
->seq_cnt
= atomic_inc_return(&lpfc_debugfs_seq_trc_cnt
);
1362 * lpfc_debugfs_nvme_trc - Store NVME/NVMET trace log
1363 * @phba: The phba to associate this trace string with for retrieval.
1364 * @fmt: Format string to be displayed when dumping the log.
1365 * @data1: 1st data parameter to be applied to @fmt.
1366 * @data2: 2nd data parameter to be applied to @fmt.
1367 * @data3: 3rd data parameter to be applied to @fmt.
1370 * This routine is used by the driver code to add a debugfs log entry to the
1371 * nvme trace buffer associated with @phba. @fmt, @data1, @data2, and
1372 * @data3 are used like printf when displaying the log.
1375 lpfc_debugfs_nvme_trc(struct lpfc_hba
*phba
, char *fmt
,
1376 uint16_t data1
, uint16_t data2
, uint32_t data3
)
1378 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1379 struct lpfc_debugfs_nvmeio_trc
*dtp
;
1382 if (!phba
->nvmeio_trc_on
|| !phba
->nvmeio_trc
)
1385 index
= atomic_inc_return(&phba
->nvmeio_trc_cnt
) &
1386 (phba
->nvmeio_trc_size
- 1);
1387 dtp
= phba
->nvmeio_trc
+ index
;
1395 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1397 * lpfc_debugfs_disc_trc_open - Open the discovery trace log
1398 * @inode: The inode pointer that contains a vport pointer.
1399 * @file: The file pointer to attach the log output.
1402 * This routine is the entry point for the debugfs open file operation. It gets
1403 * the vport from the i_private field in @inode, allocates the necessary buffer
1404 * for the log, fills the buffer from the in-memory log for this vport, and then
1405 * returns a pointer to that log in the private_data field in @file.
1408 * This function returns zero if successful. On error it will return a negative
1412 lpfc_debugfs_disc_trc_open(struct inode
*inode
, struct file
*file
)
1414 struct lpfc_vport
*vport
= inode
->i_private
;
1415 struct lpfc_debug
*debug
;
1419 if (!lpfc_debugfs_max_disc_trc
) {
1424 debug
= kmalloc(sizeof(*debug
), GFP_KERNEL
);
1428 /* Round to page boundary */
1429 size
= (lpfc_debugfs_max_disc_trc
* LPFC_DEBUG_TRC_ENTRY_SIZE
);
1430 size
= PAGE_ALIGN(size
);
1432 debug
->buffer
= kmalloc(size
, GFP_KERNEL
);
1433 if (!debug
->buffer
) {
1438 debug
->len
= lpfc_debugfs_disc_trc_data(vport
, debug
->buffer
, size
);
1439 file
->private_data
= debug
;
1447 * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log
1448 * @inode: The inode pointer that contains a vport pointer.
1449 * @file: The file pointer to attach the log output.
1452 * This routine is the entry point for the debugfs open file operation. It gets
1453 * the vport from the i_private field in @inode, allocates the necessary buffer
1454 * for the log, fills the buffer from the in-memory log for this vport, and then
1455 * returns a pointer to that log in the private_data field in @file.
1458 * This function returns zero if successful. On error it will return a negative
1462 lpfc_debugfs_slow_ring_trc_open(struct inode
*inode
, struct file
*file
)
1464 struct lpfc_hba
*phba
= inode
->i_private
;
1465 struct lpfc_debug
*debug
;
1469 if (!lpfc_debugfs_max_slow_ring_trc
) {
1474 debug
= kmalloc(sizeof(*debug
), GFP_KERNEL
);
1478 /* Round to page boundary */
1479 size
= (lpfc_debugfs_max_slow_ring_trc
* LPFC_DEBUG_TRC_ENTRY_SIZE
);
1480 size
= PAGE_ALIGN(size
);
1482 debug
->buffer
= kmalloc(size
, GFP_KERNEL
);
1483 if (!debug
->buffer
) {
1488 debug
->len
= lpfc_debugfs_slow_ring_trc_data(phba
, debug
->buffer
, size
);
1489 file
->private_data
= debug
;
1497 * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer
1498 * @inode: The inode pointer that contains a vport pointer.
1499 * @file: The file pointer to attach the log output.
1502 * This routine is the entry point for the debugfs open file operation. It gets
1503 * the vport from the i_private field in @inode, allocates the necessary buffer
1504 * for the log, fills the buffer from the in-memory log for this vport, and then
1505 * returns a pointer to that log in the private_data field in @file.
1508 * This function returns zero if successful. On error it will return a negative
1512 lpfc_debugfs_hbqinfo_open(struct inode
*inode
, struct file
*file
)
1514 struct lpfc_hba
*phba
= inode
->i_private
;
1515 struct lpfc_debug
*debug
;
1518 debug
= kmalloc(sizeof(*debug
), GFP_KERNEL
);
1522 /* Round to page boundary */
1523 debug
->buffer
= kmalloc(LPFC_HBQINFO_SIZE
, GFP_KERNEL
);
1524 if (!debug
->buffer
) {
1529 debug
->len
= lpfc_debugfs_hbqinfo_data(phba
, debug
->buffer
,
1531 file
->private_data
= debug
;
1539 * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer
1540 * @inode: The inode pointer that contains a vport pointer.
1541 * @file: The file pointer to attach the log output.
1544 * This routine is the entry point for the debugfs open file operation. It gets
1545 * the vport from the i_private field in @inode, allocates the necessary buffer
1546 * for the log, fills the buffer from the in-memory log for this vport, and then
1547 * returns a pointer to that log in the private_data field in @file.
1550 * This function returns zero if successful. On error it will return a negative
1554 lpfc_debugfs_dumpHBASlim_open(struct inode
*inode
, struct file
*file
)
1556 struct lpfc_hba
*phba
= inode
->i_private
;
1557 struct lpfc_debug
*debug
;
1560 debug
= kmalloc(sizeof(*debug
), GFP_KERNEL
);
1564 /* Round to page boundary */
1565 debug
->buffer
= kmalloc(LPFC_DUMPHBASLIM_SIZE
, GFP_KERNEL
);
1566 if (!debug
->buffer
) {
1571 debug
->len
= lpfc_debugfs_dumpHBASlim_data(phba
, debug
->buffer
,
1572 LPFC_DUMPHBASLIM_SIZE
);
1573 file
->private_data
= debug
;
1581 * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer
1582 * @inode: The inode pointer that contains a vport pointer.
1583 * @file: The file pointer to attach the log output.
1586 * This routine is the entry point for the debugfs open file operation. It gets
1587 * the vport from the i_private field in @inode, allocates the necessary buffer
1588 * for the log, fills the buffer from the in-memory log for this vport, and then
1589 * returns a pointer to that log in the private_data field in @file.
1592 * This function returns zero if successful. On error it will return a negative
1596 lpfc_debugfs_dumpHostSlim_open(struct inode
*inode
, struct file
*file
)
1598 struct lpfc_hba
*phba
= inode
->i_private
;
1599 struct lpfc_debug
*debug
;
1602 debug
= kmalloc(sizeof(*debug
), GFP_KERNEL
);
1606 /* Round to page boundary */
1607 debug
->buffer
= kmalloc(LPFC_DUMPHOSTSLIM_SIZE
, GFP_KERNEL
);
1608 if (!debug
->buffer
) {
1613 debug
->len
= lpfc_debugfs_dumpHostSlim_data(phba
, debug
->buffer
,
1614 LPFC_DUMPHOSTSLIM_SIZE
);
1615 file
->private_data
= debug
;
1623 lpfc_debugfs_dumpData_open(struct inode
*inode
, struct file
*file
)
1625 struct lpfc_debug
*debug
;
1628 if (!_dump_buf_data
)
1631 debug
= kmalloc(sizeof(*debug
), GFP_KERNEL
);
1635 /* Round to page boundary */
1636 pr_err("9059 BLKGRD: %s: _dump_buf_data=0x%p\n",
1637 __func__
, _dump_buf_data
);
1638 debug
->buffer
= _dump_buf_data
;
1639 if (!debug
->buffer
) {
1644 debug
->len
= (1 << _dump_buf_data_order
) << PAGE_SHIFT
;
1645 file
->private_data
= debug
;
1653 lpfc_debugfs_dumpDif_open(struct inode
*inode
, struct file
*file
)
1655 struct lpfc_debug
*debug
;
1661 debug
= kmalloc(sizeof(*debug
), GFP_KERNEL
);
1665 /* Round to page boundary */
1666 pr_err("9060 BLKGRD: %s: _dump_buf_dif=0x%p file=%pD\n",
1667 __func__
, _dump_buf_dif
, file
);
1668 debug
->buffer
= _dump_buf_dif
;
1669 if (!debug
->buffer
) {
1674 debug
->len
= (1 << _dump_buf_dif_order
) << PAGE_SHIFT
;
1675 file
->private_data
= debug
;
1683 lpfc_debugfs_dumpDataDif_write(struct file
*file
, const char __user
*buf
,
1684 size_t nbytes
, loff_t
*ppos
)
1687 * The Data/DIF buffers only save one failing IO
1688 * The write op is used as a reset mechanism after an IO has
1689 * already been saved to the next one can be saved
1691 spin_lock(&_dump_buf_lock
);
1693 memset((void *)_dump_buf_data
, 0,
1694 ((1 << PAGE_SHIFT
) << _dump_buf_data_order
));
1695 memset((void *)_dump_buf_dif
, 0,
1696 ((1 << PAGE_SHIFT
) << _dump_buf_dif_order
));
1700 spin_unlock(&_dump_buf_lock
);
1706 lpfc_debugfs_dif_err_read(struct file
*file
, char __user
*buf
,
1707 size_t nbytes
, loff_t
*ppos
)
1709 struct dentry
*dent
= file
->f_path
.dentry
;
1710 struct lpfc_hba
*phba
= file
->private_data
;
1715 if (dent
== phba
->debug_writeGuard
)
1716 cnt
= snprintf(cbuf
, 32, "%u\n", phba
->lpfc_injerr_wgrd_cnt
);
1717 else if (dent
== phba
->debug_writeApp
)
1718 cnt
= snprintf(cbuf
, 32, "%u\n", phba
->lpfc_injerr_wapp_cnt
);
1719 else if (dent
== phba
->debug_writeRef
)
1720 cnt
= snprintf(cbuf
, 32, "%u\n", phba
->lpfc_injerr_wref_cnt
);
1721 else if (dent
== phba
->debug_readGuard
)
1722 cnt
= snprintf(cbuf
, 32, "%u\n", phba
->lpfc_injerr_rgrd_cnt
);
1723 else if (dent
== phba
->debug_readApp
)
1724 cnt
= snprintf(cbuf
, 32, "%u\n", phba
->lpfc_injerr_rapp_cnt
);
1725 else if (dent
== phba
->debug_readRef
)
1726 cnt
= snprintf(cbuf
, 32, "%u\n", phba
->lpfc_injerr_rref_cnt
);
1727 else if (dent
== phba
->debug_InjErrNPortID
)
1728 cnt
= snprintf(cbuf
, 32, "0x%06x\n", phba
->lpfc_injerr_nportid
);
1729 else if (dent
== phba
->debug_InjErrWWPN
) {
1730 memcpy(&tmp
, &phba
->lpfc_injerr_wwpn
, sizeof(struct lpfc_name
));
1731 tmp
= cpu_to_be64(tmp
);
1732 cnt
= snprintf(cbuf
, 32, "0x%016llx\n", tmp
);
1733 } else if (dent
== phba
->debug_InjErrLBA
) {
1734 if (phba
->lpfc_injerr_lba
== (sector_t
)(-1))
1735 cnt
= snprintf(cbuf
, 32, "off\n");
1737 cnt
= snprintf(cbuf
, 32, "0x%llx\n",
1738 (uint64_t) phba
->lpfc_injerr_lba
);
1740 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1741 "0547 Unknown debugfs error injection entry\n");
1743 return simple_read_from_buffer(buf
, nbytes
, ppos
, &cbuf
, cnt
);
1747 lpfc_debugfs_dif_err_write(struct file
*file
, const char __user
*buf
,
1748 size_t nbytes
, loff_t
*ppos
)
1750 struct dentry
*dent
= file
->f_path
.dentry
;
1751 struct lpfc_hba
*phba
= file
->private_data
;
1756 memset(dstbuf
, 0, 33);
1757 size
= (nbytes
< 32) ? nbytes
: 32;
1758 if (copy_from_user(dstbuf
, buf
, size
))
1761 if (dent
== phba
->debug_InjErrLBA
) {
1762 if ((buf
[0] == 'o') && (buf
[1] == 'f') && (buf
[2] == 'f'))
1763 tmp
= (uint64_t)(-1);
1766 if ((tmp
== 0) && (kstrtoull(dstbuf
, 0, &tmp
)))
1769 if (dent
== phba
->debug_writeGuard
)
1770 phba
->lpfc_injerr_wgrd_cnt
= (uint32_t)tmp
;
1771 else if (dent
== phba
->debug_writeApp
)
1772 phba
->lpfc_injerr_wapp_cnt
= (uint32_t)tmp
;
1773 else if (dent
== phba
->debug_writeRef
)
1774 phba
->lpfc_injerr_wref_cnt
= (uint32_t)tmp
;
1775 else if (dent
== phba
->debug_readGuard
)
1776 phba
->lpfc_injerr_rgrd_cnt
= (uint32_t)tmp
;
1777 else if (dent
== phba
->debug_readApp
)
1778 phba
->lpfc_injerr_rapp_cnt
= (uint32_t)tmp
;
1779 else if (dent
== phba
->debug_readRef
)
1780 phba
->lpfc_injerr_rref_cnt
= (uint32_t)tmp
;
1781 else if (dent
== phba
->debug_InjErrLBA
)
1782 phba
->lpfc_injerr_lba
= (sector_t
)tmp
;
1783 else if (dent
== phba
->debug_InjErrNPortID
)
1784 phba
->lpfc_injerr_nportid
= (uint32_t)(tmp
& Mask_DID
);
1785 else if (dent
== phba
->debug_InjErrWWPN
) {
1786 tmp
= cpu_to_be64(tmp
);
1787 memcpy(&phba
->lpfc_injerr_wwpn
, &tmp
, sizeof(struct lpfc_name
));
1789 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1790 "0548 Unknown debugfs error injection entry\n");
1796 lpfc_debugfs_dif_err_release(struct inode
*inode
, struct file
*file
)
1802 * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file
1803 * @inode: The inode pointer that contains a vport pointer.
1804 * @file: The file pointer to attach the log output.
1807 * This routine is the entry point for the debugfs open file operation. It gets
1808 * the vport from the i_private field in @inode, allocates the necessary buffer
1809 * for the log, fills the buffer from the in-memory log for this vport, and then
1810 * returns a pointer to that log in the private_data field in @file.
1813 * This function returns zero if successful. On error it will return a negative
1817 lpfc_debugfs_nodelist_open(struct inode
*inode
, struct file
*file
)
1819 struct lpfc_vport
*vport
= inode
->i_private
;
1820 struct lpfc_debug
*debug
;
1823 debug
= kmalloc(sizeof(*debug
), GFP_KERNEL
);
1827 /* Round to page boundary */
1828 debug
->buffer
= kmalloc(LPFC_NODELIST_SIZE
, GFP_KERNEL
);
1829 if (!debug
->buffer
) {
1834 debug
->len
= lpfc_debugfs_nodelist_data(vport
, debug
->buffer
,
1835 LPFC_NODELIST_SIZE
);
1836 file
->private_data
= debug
;
1844 * lpfc_debugfs_lseek - Seek through a debugfs file
1845 * @file: The file pointer to seek through.
1846 * @off: The offset to seek to or the amount to seek by.
1847 * @whence: Indicates how to seek.
1850 * This routine is the entry point for the debugfs lseek file operation. The
1851 * @whence parameter indicates whether @off is the offset to directly seek to,
1852 * or if it is a value to seek forward or reverse by. This function figures out
1853 * what the new offset of the debugfs file will be and assigns that value to the
1854 * f_pos field of @file.
1857 * This function returns the new offset if successful and returns a negative
1858 * error if unable to process the seek.
1861 lpfc_debugfs_lseek(struct file
*file
, loff_t off
, int whence
)
1863 struct lpfc_debug
*debug
= file
->private_data
;
1864 return fixed_size_llseek(file
, off
, whence
, debug
->len
);
1868 * lpfc_debugfs_read - Read a debugfs file
1869 * @file: The file pointer to read from.
1870 * @buf: The buffer to copy the data to.
1871 * @nbytes: The number of bytes to read.
1872 * @ppos: The position in the file to start reading from.
1875 * This routine reads data from from the buffer indicated in the private_data
1876 * field of @file. It will start reading at @ppos and copy up to @nbytes of
1880 * This function returns the amount of data that was read (this could be less
1881 * than @nbytes if the end of the file was reached) or a negative error value.
1884 lpfc_debugfs_read(struct file
*file
, char __user
*buf
,
1885 size_t nbytes
, loff_t
*ppos
)
1887 struct lpfc_debug
*debug
= file
->private_data
;
1889 return simple_read_from_buffer(buf
, nbytes
, ppos
, debug
->buffer
,
1894 * lpfc_debugfs_release - Release the buffer used to store debugfs file data
1895 * @inode: The inode pointer that contains a vport pointer. (unused)
1896 * @file: The file pointer that contains the buffer to release.
1899 * This routine frees the buffer that was allocated when the debugfs file was
1903 * This function returns zero.
1906 lpfc_debugfs_release(struct inode
*inode
, struct file
*file
)
1908 struct lpfc_debug
*debug
= file
->private_data
;
1910 kfree(debug
->buffer
);
1917 lpfc_debugfs_dumpDataDif_release(struct inode
*inode
, struct file
*file
)
1919 struct lpfc_debug
*debug
= file
->private_data
;
1921 debug
->buffer
= NULL
;
1929 lpfc_debugfs_nvmestat_open(struct inode
*inode
, struct file
*file
)
1931 struct lpfc_vport
*vport
= inode
->i_private
;
1932 struct lpfc_debug
*debug
;
1935 debug
= kmalloc(sizeof(*debug
), GFP_KERNEL
);
1939 /* Round to page boundary */
1940 debug
->buffer
= kmalloc(LPFC_NVMESTAT_SIZE
, GFP_KERNEL
);
1941 if (!debug
->buffer
) {
1946 debug
->len
= lpfc_debugfs_nvmestat_data(vport
, debug
->buffer
,
1947 LPFC_NVMESTAT_SIZE
);
1949 debug
->i_private
= inode
->i_private
;
1950 file
->private_data
= debug
;
1958 lpfc_debugfs_nvmestat_write(struct file
*file
, const char __user
*buf
,
1959 size_t nbytes
, loff_t
*ppos
)
1961 struct lpfc_debug
*debug
= file
->private_data
;
1962 struct lpfc_vport
*vport
= (struct lpfc_vport
*)debug
->i_private
;
1963 struct lpfc_hba
*phba
= vport
->phba
;
1964 struct lpfc_nvmet_tgtport
*tgtp
;
1968 if (!phba
->targetport
)
1974 memset(mybuf
, 0, sizeof(mybuf
));
1976 if (copy_from_user(mybuf
, buf
, nbytes
))
1980 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
1981 if ((strncmp(pbuf
, "reset", strlen("reset")) == 0) ||
1982 (strncmp(pbuf
, "zero", strlen("zero")) == 0)) {
1983 atomic_set(&tgtp
->rcv_ls_req_in
, 0);
1984 atomic_set(&tgtp
->rcv_ls_req_out
, 0);
1985 atomic_set(&tgtp
->rcv_ls_req_drop
, 0);
1986 atomic_set(&tgtp
->xmt_ls_abort
, 0);
1987 atomic_set(&tgtp
->xmt_ls_abort_cmpl
, 0);
1988 atomic_set(&tgtp
->xmt_ls_rsp
, 0);
1989 atomic_set(&tgtp
->xmt_ls_drop
, 0);
1990 atomic_set(&tgtp
->xmt_ls_rsp_error
, 0);
1991 atomic_set(&tgtp
->xmt_ls_rsp_cmpl
, 0);
1993 atomic_set(&tgtp
->rcv_fcp_cmd_in
, 0);
1994 atomic_set(&tgtp
->rcv_fcp_cmd_out
, 0);
1995 atomic_set(&tgtp
->rcv_fcp_cmd_drop
, 0);
1996 atomic_set(&tgtp
->xmt_fcp_drop
, 0);
1997 atomic_set(&tgtp
->xmt_fcp_read_rsp
, 0);
1998 atomic_set(&tgtp
->xmt_fcp_read
, 0);
1999 atomic_set(&tgtp
->xmt_fcp_write
, 0);
2000 atomic_set(&tgtp
->xmt_fcp_rsp
, 0);
2001 atomic_set(&tgtp
->xmt_fcp_release
, 0);
2002 atomic_set(&tgtp
->xmt_fcp_rsp_cmpl
, 0);
2003 atomic_set(&tgtp
->xmt_fcp_rsp_error
, 0);
2004 atomic_set(&tgtp
->xmt_fcp_rsp_drop
, 0);
2006 atomic_set(&tgtp
->xmt_fcp_abort
, 0);
2007 atomic_set(&tgtp
->xmt_fcp_abort_cmpl
, 0);
2008 atomic_set(&tgtp
->xmt_abort_sol
, 0);
2009 atomic_set(&tgtp
->xmt_abort_unsol
, 0);
2010 atomic_set(&tgtp
->xmt_abort_rsp
, 0);
2011 atomic_set(&tgtp
->xmt_abort_rsp_error
, 0);
2017 lpfc_debugfs_nvmektime_open(struct inode
*inode
, struct file
*file
)
2019 struct lpfc_vport
*vport
= inode
->i_private
;
2020 struct lpfc_debug
*debug
;
2023 debug
= kmalloc(sizeof(*debug
), GFP_KERNEL
);
2027 /* Round to page boundary */
2028 debug
->buffer
= kmalloc(LPFC_NVMEKTIME_SIZE
, GFP_KERNEL
);
2029 if (!debug
->buffer
) {
2034 debug
->len
= lpfc_debugfs_nvmektime_data(vport
, debug
->buffer
,
2035 LPFC_NVMEKTIME_SIZE
);
2037 debug
->i_private
= inode
->i_private
;
2038 file
->private_data
= debug
;
2046 lpfc_debugfs_nvmektime_write(struct file
*file
, const char __user
*buf
,
2047 size_t nbytes
, loff_t
*ppos
)
2049 struct lpfc_debug
*debug
= file
->private_data
;
2050 struct lpfc_vport
*vport
= (struct lpfc_vport
*)debug
->i_private
;
2051 struct lpfc_hba
*phba
= vport
->phba
;
2058 memset(mybuf
, 0, sizeof(mybuf
));
2060 if (copy_from_user(mybuf
, buf
, nbytes
))
2064 if ((strncmp(pbuf
, "on", sizeof("on") - 1) == 0)) {
2065 phba
->ktime_data_samples
= 0;
2066 phba
->ktime_status_samples
= 0;
2067 phba
->ktime_seg1_total
= 0;
2068 phba
->ktime_seg1_max
= 0;
2069 phba
->ktime_seg1_min
= 0xffffffff;
2070 phba
->ktime_seg2_total
= 0;
2071 phba
->ktime_seg2_max
= 0;
2072 phba
->ktime_seg2_min
= 0xffffffff;
2073 phba
->ktime_seg3_total
= 0;
2074 phba
->ktime_seg3_max
= 0;
2075 phba
->ktime_seg3_min
= 0xffffffff;
2076 phba
->ktime_seg4_total
= 0;
2077 phba
->ktime_seg4_max
= 0;
2078 phba
->ktime_seg4_min
= 0xffffffff;
2079 phba
->ktime_seg5_total
= 0;
2080 phba
->ktime_seg5_max
= 0;
2081 phba
->ktime_seg5_min
= 0xffffffff;
2082 phba
->ktime_seg6_total
= 0;
2083 phba
->ktime_seg6_max
= 0;
2084 phba
->ktime_seg6_min
= 0xffffffff;
2085 phba
->ktime_seg7_total
= 0;
2086 phba
->ktime_seg7_max
= 0;
2087 phba
->ktime_seg7_min
= 0xffffffff;
2088 phba
->ktime_seg8_total
= 0;
2089 phba
->ktime_seg8_max
= 0;
2090 phba
->ktime_seg8_min
= 0xffffffff;
2091 phba
->ktime_seg9_total
= 0;
2092 phba
->ktime_seg9_max
= 0;
2093 phba
->ktime_seg9_min
= 0xffffffff;
2094 phba
->ktime_seg10_total
= 0;
2095 phba
->ktime_seg10_max
= 0;
2096 phba
->ktime_seg10_min
= 0xffffffff;
2099 return strlen(pbuf
);
2100 } else if ((strncmp(pbuf
, "off",
2101 sizeof("off") - 1) == 0)) {
2103 return strlen(pbuf
);
2104 } else if ((strncmp(pbuf
, "zero",
2105 sizeof("zero") - 1) == 0)) {
2106 phba
->ktime_data_samples
= 0;
2107 phba
->ktime_status_samples
= 0;
2108 phba
->ktime_seg1_total
= 0;
2109 phba
->ktime_seg1_max
= 0;
2110 phba
->ktime_seg1_min
= 0xffffffff;
2111 phba
->ktime_seg2_total
= 0;
2112 phba
->ktime_seg2_max
= 0;
2113 phba
->ktime_seg2_min
= 0xffffffff;
2114 phba
->ktime_seg3_total
= 0;
2115 phba
->ktime_seg3_max
= 0;
2116 phba
->ktime_seg3_min
= 0xffffffff;
2117 phba
->ktime_seg4_total
= 0;
2118 phba
->ktime_seg4_max
= 0;
2119 phba
->ktime_seg4_min
= 0xffffffff;
2120 phba
->ktime_seg5_total
= 0;
2121 phba
->ktime_seg5_max
= 0;
2122 phba
->ktime_seg5_min
= 0xffffffff;
2123 phba
->ktime_seg6_total
= 0;
2124 phba
->ktime_seg6_max
= 0;
2125 phba
->ktime_seg6_min
= 0xffffffff;
2126 phba
->ktime_seg7_total
= 0;
2127 phba
->ktime_seg7_max
= 0;
2128 phba
->ktime_seg7_min
= 0xffffffff;
2129 phba
->ktime_seg8_total
= 0;
2130 phba
->ktime_seg8_max
= 0;
2131 phba
->ktime_seg8_min
= 0xffffffff;
2132 phba
->ktime_seg9_total
= 0;
2133 phba
->ktime_seg9_max
= 0;
2134 phba
->ktime_seg9_min
= 0xffffffff;
2135 phba
->ktime_seg10_total
= 0;
2136 phba
->ktime_seg10_max
= 0;
2137 phba
->ktime_seg10_min
= 0xffffffff;
2138 return strlen(pbuf
);
2144 lpfc_debugfs_nvmeio_trc_open(struct inode
*inode
, struct file
*file
)
2146 struct lpfc_hba
*phba
= inode
->i_private
;
2147 struct lpfc_debug
*debug
;
2150 debug
= kmalloc(sizeof(*debug
), GFP_KERNEL
);
2154 /* Round to page boundary */
2155 debug
->buffer
= kmalloc(LPFC_NVMEIO_TRC_SIZE
, GFP_KERNEL
);
2156 if (!debug
->buffer
) {
2161 debug
->len
= lpfc_debugfs_nvmeio_trc_data(phba
, debug
->buffer
,
2162 LPFC_NVMEIO_TRC_SIZE
);
2164 debug
->i_private
= inode
->i_private
;
2165 file
->private_data
= debug
;
2173 lpfc_debugfs_nvmeio_trc_write(struct file
*file
, const char __user
*buf
,
2174 size_t nbytes
, loff_t
*ppos
)
2176 struct lpfc_debug
*debug
= file
->private_data
;
2177 struct lpfc_hba
*phba
= (struct lpfc_hba
*)debug
->i_private
;
2186 memset(mybuf
, 0, sizeof(mybuf
));
2188 if (copy_from_user(mybuf
, buf
, nbytes
))
2192 if ((strncmp(pbuf
, "off", sizeof("off") - 1) == 0)) {
2193 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2194 "0570 nvmeio_trc_off\n");
2195 phba
->nvmeio_trc_output_idx
= 0;
2196 phba
->nvmeio_trc_on
= 0;
2197 return strlen(pbuf
);
2198 } else if ((strncmp(pbuf
, "on", sizeof("on") - 1) == 0)) {
2199 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2200 "0571 nvmeio_trc_on\n");
2201 phba
->nvmeio_trc_output_idx
= 0;
2202 phba
->nvmeio_trc_on
= 1;
2203 return strlen(pbuf
);
2206 /* We must be off to allocate the trace buffer */
2207 if (phba
->nvmeio_trc_on
!= 0)
2210 /* If not on or off, the parameter is the trace buffer size */
2211 i
= kstrtoul(pbuf
, 0, &sz
);
2214 phba
->nvmeio_trc_size
= (uint32_t)sz
;
2216 /* It must be a power of 2 - round down */
2223 if (phba
->nvmeio_trc_size
!= sz
)
2224 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2225 "0572 nvmeio_trc_size changed to %ld\n",
2227 phba
->nvmeio_trc_size
= (uint32_t)sz
;
2229 /* If one previously exists, free it */
2230 kfree(phba
->nvmeio_trc
);
2232 /* Allocate new trace buffer and initialize */
2233 phba
->nvmeio_trc
= kmalloc((sizeof(struct lpfc_debugfs_nvmeio_trc
) *
2235 if (!phba
->nvmeio_trc
) {
2236 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2237 "0573 Cannot create debugfs "
2238 "nvmeio_trc buffer\n");
2241 memset(phba
->nvmeio_trc
, 0,
2242 (sizeof(struct lpfc_debugfs_nvmeio_trc
) * sz
));
2243 atomic_set(&phba
->nvmeio_trc_cnt
, 0);
2244 phba
->nvmeio_trc_on
= 0;
2245 phba
->nvmeio_trc_output_idx
= 0;
2247 return strlen(pbuf
);
2251 lpfc_debugfs_cpucheck_open(struct inode
*inode
, struct file
*file
)
2253 struct lpfc_vport
*vport
= inode
->i_private
;
2254 struct lpfc_debug
*debug
;
2257 debug
= kmalloc(sizeof(*debug
), GFP_KERNEL
);
2261 /* Round to page boundary */
2262 debug
->buffer
= kmalloc(LPFC_CPUCHECK_SIZE
, GFP_KERNEL
);
2263 if (!debug
->buffer
) {
2268 debug
->len
= lpfc_debugfs_cpucheck_data(vport
, debug
->buffer
,
2269 LPFC_NVMEKTIME_SIZE
);
2271 debug
->i_private
= inode
->i_private
;
2272 file
->private_data
= debug
;
2280 lpfc_debugfs_cpucheck_write(struct file
*file
, const char __user
*buf
,
2281 size_t nbytes
, loff_t
*ppos
)
2283 struct lpfc_debug
*debug
= file
->private_data
;
2284 struct lpfc_vport
*vport
= (struct lpfc_vport
*)debug
->i_private
;
2285 struct lpfc_hba
*phba
= vport
->phba
;
2293 memset(mybuf
, 0, sizeof(mybuf
));
2295 if (copy_from_user(mybuf
, buf
, nbytes
))
2299 if ((strncmp(pbuf
, "on", sizeof("on") - 1) == 0)) {
2300 if (phba
->nvmet_support
)
2301 phba
->cpucheck_on
|= LPFC_CHECK_NVMET_IO
;
2303 phba
->cpucheck_on
|= LPFC_CHECK_NVME_IO
;
2304 return strlen(pbuf
);
2305 } else if ((strncmp(pbuf
, "rcv",
2306 sizeof("rcv") - 1) == 0)) {
2307 if (phba
->nvmet_support
)
2308 phba
->cpucheck_on
|= LPFC_CHECK_NVMET_RCV
;
2311 return strlen(pbuf
);
2312 } else if ((strncmp(pbuf
, "off",
2313 sizeof("off") - 1) == 0)) {
2314 phba
->cpucheck_on
= LPFC_CHECK_OFF
;
2315 return strlen(pbuf
);
2316 } else if ((strncmp(pbuf
, "zero",
2317 sizeof("zero") - 1) == 0)) {
2318 for (i
= 0; i
< phba
->sli4_hba
.num_present_cpu
; i
++) {
2319 if (i
>= LPFC_CHECK_CPU_CNT
)
2321 phba
->cpucheck_rcv_io
[i
] = 0;
2322 phba
->cpucheck_xmt_io
[i
] = 0;
2323 phba
->cpucheck_cmpl_io
[i
] = 0;
2324 phba
->cpucheck_ccmpl_io
[i
] = 0;
2326 return strlen(pbuf
);
2332 * ---------------------------------
2333 * iDiag debugfs file access methods
2334 * ---------------------------------
2336 * All access methods are through the proper SLI4 PCI function's debugfs
2339 * /sys/kernel/debug/lpfc/fn<#>/iDiag
2343 * lpfc_idiag_cmd_get - Get and parse idiag debugfs comands from user space
2344 * @buf: The pointer to the user space buffer.
2345 * @nbytes: The number of bytes in the user space buffer.
2346 * @idiag_cmd: pointer to the idiag command struct.
2348 * This routine reads data from debugfs user space buffer and parses the
2349 * buffer for getting the idiag command and arguments. The while space in
2350 * between the set of data is used as the parsing separator.
2352 * This routine returns 0 when successful, it returns proper error code
2353 * back to the user space in error conditions.
2355 static int lpfc_idiag_cmd_get(const char __user
*buf
, size_t nbytes
,
2356 struct lpfc_idiag_cmd
*idiag_cmd
)
2359 char *pbuf
, *step_str
;
2363 memset(mybuf
, 0, sizeof(mybuf
));
2364 memset(idiag_cmd
, 0, sizeof(*idiag_cmd
));
2365 bsize
= min(nbytes
, (sizeof(mybuf
)-1));
2367 if (copy_from_user(mybuf
, buf
, bsize
))
2370 step_str
= strsep(&pbuf
, "\t ");
2372 /* The opcode must present */
2376 idiag_cmd
->opcode
= simple_strtol(step_str
, NULL
, 0);
2377 if (idiag_cmd
->opcode
== 0)
2380 for (i
= 0; i
< LPFC_IDIAG_CMD_DATA_SIZE
; i
++) {
2381 step_str
= strsep(&pbuf
, "\t ");
2384 idiag_cmd
->data
[i
] = simple_strtol(step_str
, NULL
, 0);
2390 * lpfc_idiag_open - idiag open debugfs
2391 * @inode: The inode pointer that contains a pointer to phba.
2392 * @file: The file pointer to attach the file operation.
2395 * This routine is the entry point for the debugfs open file operation. It
2396 * gets the reference to phba from the i_private field in @inode, it then
2397 * allocates buffer for the file operation, performs the necessary PCI config
2398 * space read into the allocated buffer according to the idiag user command
2399 * setup, and then returns a pointer to buffer in the private_data field in
2403 * This function returns zero if successful. On error it will return an
2404 * negative error value.
2407 lpfc_idiag_open(struct inode
*inode
, struct file
*file
)
2409 struct lpfc_debug
*debug
;
2411 debug
= kmalloc(sizeof(*debug
), GFP_KERNEL
);
2415 debug
->i_private
= inode
->i_private
;
2416 debug
->buffer
= NULL
;
2417 file
->private_data
= debug
;
2423 * lpfc_idiag_release - Release idiag access file operation
2424 * @inode: The inode pointer that contains a vport pointer. (unused)
2425 * @file: The file pointer that contains the buffer to release.
2428 * This routine is the generic release routine for the idiag access file
2429 * operation, it frees the buffer that was allocated when the debugfs file
2433 * This function returns zero.
2436 lpfc_idiag_release(struct inode
*inode
, struct file
*file
)
2438 struct lpfc_debug
*debug
= file
->private_data
;
2440 /* Free the buffers to the file operation */
2441 kfree(debug
->buffer
);
2448 * lpfc_idiag_cmd_release - Release idiag cmd access file operation
2449 * @inode: The inode pointer that contains a vport pointer. (unused)
2450 * @file: The file pointer that contains the buffer to release.
2453 * This routine frees the buffer that was allocated when the debugfs file
2454 * was opened. It also reset the fields in the idiag command struct in the
2455 * case of command for write operation.
2458 * This function returns zero.
2461 lpfc_idiag_cmd_release(struct inode
*inode
, struct file
*file
)
2463 struct lpfc_debug
*debug
= file
->private_data
;
2465 if (debug
->op
== LPFC_IDIAG_OP_WR
) {
2466 switch (idiag
.cmd
.opcode
) {
2467 case LPFC_IDIAG_CMD_PCICFG_WR
:
2468 case LPFC_IDIAG_CMD_PCICFG_ST
:
2469 case LPFC_IDIAG_CMD_PCICFG_CL
:
2470 case LPFC_IDIAG_CMD_QUEACC_WR
:
2471 case LPFC_IDIAG_CMD_QUEACC_ST
:
2472 case LPFC_IDIAG_CMD_QUEACC_CL
:
2473 memset(&idiag
, 0, sizeof(idiag
));
2480 /* Free the buffers to the file operation */
2481 kfree(debug
->buffer
);
2488 * lpfc_idiag_pcicfg_read - idiag debugfs read pcicfg
2489 * @file: The file pointer to read from.
2490 * @buf: The buffer to copy the data to.
2491 * @nbytes: The number of bytes to read.
2492 * @ppos: The position in the file to start reading from.
2495 * This routine reads data from the @phba pci config space according to the
2496 * idiag command, and copies to user @buf. Depending on the PCI config space
2497 * read command setup, it does either a single register read of a byte
2498 * (8 bits), a word (16 bits), or a dword (32 bits) or browsing through all
2499 * registers from the 4K extended PCI config space.
2502 * This function returns the amount of data that was read (this could be less
2503 * than @nbytes if the end of the file was reached) or a negative error value.
2506 lpfc_idiag_pcicfg_read(struct file
*file
, char __user
*buf
, size_t nbytes
,
2509 struct lpfc_debug
*debug
= file
->private_data
;
2510 struct lpfc_hba
*phba
= (struct lpfc_hba
*)debug
->i_private
;
2511 int offset_label
, offset
, len
= 0, index
= LPFC_PCI_CFG_RD_SIZE
;
2514 struct pci_dev
*pdev
;
2519 pdev
= phba
->pcidev
;
2523 /* This is a user read operation */
2524 debug
->op
= LPFC_IDIAG_OP_RD
;
2527 debug
->buffer
= kmalloc(LPFC_PCI_CFG_SIZE
, GFP_KERNEL
);
2530 pbuffer
= debug
->buffer
;
2535 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_PCICFG_RD
) {
2536 where
= idiag
.cmd
.data
[IDIAG_PCICFG_WHERE_INDX
];
2537 count
= idiag
.cmd
.data
[IDIAG_PCICFG_COUNT_INDX
];
2541 /* Read single PCI config space register */
2543 case SIZE_U8
: /* byte (8 bits) */
2544 pci_read_config_byte(pdev
, where
, &u8val
);
2545 len
+= snprintf(pbuffer
+len
, LPFC_PCI_CFG_SIZE
-len
,
2546 "%03x: %02x\n", where
, u8val
);
2548 case SIZE_U16
: /* word (16 bits) */
2549 pci_read_config_word(pdev
, where
, &u16val
);
2550 len
+= snprintf(pbuffer
+len
, LPFC_PCI_CFG_SIZE
-len
,
2551 "%03x: %04x\n", where
, u16val
);
2553 case SIZE_U32
: /* double word (32 bits) */
2554 pci_read_config_dword(pdev
, where
, &u32val
);
2555 len
+= snprintf(pbuffer
+len
, LPFC_PCI_CFG_SIZE
-len
,
2556 "%03x: %08x\n", where
, u32val
);
2558 case LPFC_PCI_CFG_BROWSE
: /* browse all */
2566 return simple_read_from_buffer(buf
, nbytes
, ppos
, pbuffer
, len
);
2570 /* Browse all PCI config space registers */
2571 offset_label
= idiag
.offset
.last_rd
;
2572 offset
= offset_label
;
2574 /* Read PCI config space */
2575 len
+= snprintf(pbuffer
+len
, LPFC_PCI_CFG_SIZE
-len
,
2576 "%03x: ", offset_label
);
2578 pci_read_config_dword(pdev
, offset
, &u32val
);
2579 len
+= snprintf(pbuffer
+len
, LPFC_PCI_CFG_SIZE
-len
,
2581 offset
+= sizeof(uint32_t);
2582 if (offset
>= LPFC_PCI_CFG_SIZE
) {
2583 len
+= snprintf(pbuffer
+len
,
2584 LPFC_PCI_CFG_SIZE
-len
, "\n");
2587 index
-= sizeof(uint32_t);
2589 len
+= snprintf(pbuffer
+len
, LPFC_PCI_CFG_SIZE
-len
,
2591 else if (!(index
% (8 * sizeof(uint32_t)))) {
2592 offset_label
+= (8 * sizeof(uint32_t));
2593 len
+= snprintf(pbuffer
+len
, LPFC_PCI_CFG_SIZE
-len
,
2594 "\n%03x: ", offset_label
);
2598 /* Set up the offset for next portion of pci cfg read */
2600 idiag
.offset
.last_rd
+= LPFC_PCI_CFG_RD_SIZE
;
2601 if (idiag
.offset
.last_rd
>= LPFC_PCI_CFG_SIZE
)
2602 idiag
.offset
.last_rd
= 0;
2604 idiag
.offset
.last_rd
= 0;
2606 return simple_read_from_buffer(buf
, nbytes
, ppos
, pbuffer
, len
);
2610 * lpfc_idiag_pcicfg_write - Syntax check and set up idiag pcicfg commands
2611 * @file: The file pointer to read from.
2612 * @buf: The buffer to copy the user data from.
2613 * @nbytes: The number of bytes to get.
2614 * @ppos: The position in the file to start reading from.
2616 * This routine get the debugfs idiag command struct from user space and
2617 * then perform the syntax check for PCI config space read or write command
2618 * accordingly. In the case of PCI config space read command, it sets up
2619 * the command in the idiag command struct for the debugfs read operation.
2620 * In the case of PCI config space write operation, it executes the write
2621 * operation into the PCI config space accordingly.
2623 * It returns the @nbytges passing in from debugfs user space when successful.
2624 * In case of error conditions, it returns proper error code back to the user
2628 lpfc_idiag_pcicfg_write(struct file
*file
, const char __user
*buf
,
2629 size_t nbytes
, loff_t
*ppos
)
2631 struct lpfc_debug
*debug
= file
->private_data
;
2632 struct lpfc_hba
*phba
= (struct lpfc_hba
*)debug
->i_private
;
2633 uint32_t where
, value
, count
;
2637 struct pci_dev
*pdev
;
2640 pdev
= phba
->pcidev
;
2644 /* This is a user write operation */
2645 debug
->op
= LPFC_IDIAG_OP_WR
;
2647 rc
= lpfc_idiag_cmd_get(buf
, nbytes
, &idiag
.cmd
);
2651 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_PCICFG_RD
) {
2652 /* Sanity check on PCI config read command line arguments */
2653 if (rc
!= LPFC_PCI_CFG_RD_CMD_ARG
)
2655 /* Read command from PCI config space, set up command fields */
2656 where
= idiag
.cmd
.data
[IDIAG_PCICFG_WHERE_INDX
];
2657 count
= idiag
.cmd
.data
[IDIAG_PCICFG_COUNT_INDX
];
2658 if (count
== LPFC_PCI_CFG_BROWSE
) {
2659 if (where
% sizeof(uint32_t))
2661 /* Starting offset to browse */
2662 idiag
.offset
.last_rd
= where
;
2663 } else if ((count
!= sizeof(uint8_t)) &&
2664 (count
!= sizeof(uint16_t)) &&
2665 (count
!= sizeof(uint32_t)))
2667 if (count
== sizeof(uint8_t)) {
2668 if (where
> LPFC_PCI_CFG_SIZE
- sizeof(uint8_t))
2670 if (where
% sizeof(uint8_t))
2673 if (count
== sizeof(uint16_t)) {
2674 if (where
> LPFC_PCI_CFG_SIZE
- sizeof(uint16_t))
2676 if (where
% sizeof(uint16_t))
2679 if (count
== sizeof(uint32_t)) {
2680 if (where
> LPFC_PCI_CFG_SIZE
- sizeof(uint32_t))
2682 if (where
% sizeof(uint32_t))
2685 } else if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_PCICFG_WR
||
2686 idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_PCICFG_ST
||
2687 idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_PCICFG_CL
) {
2688 /* Sanity check on PCI config write command line arguments */
2689 if (rc
!= LPFC_PCI_CFG_WR_CMD_ARG
)
2691 /* Write command to PCI config space, read-modify-write */
2692 where
= idiag
.cmd
.data
[IDIAG_PCICFG_WHERE_INDX
];
2693 count
= idiag
.cmd
.data
[IDIAG_PCICFG_COUNT_INDX
];
2694 value
= idiag
.cmd
.data
[IDIAG_PCICFG_VALUE_INDX
];
2696 if ((count
!= sizeof(uint8_t)) &&
2697 (count
!= sizeof(uint16_t)) &&
2698 (count
!= sizeof(uint32_t)))
2700 if (count
== sizeof(uint8_t)) {
2701 if (where
> LPFC_PCI_CFG_SIZE
- sizeof(uint8_t))
2703 if (where
% sizeof(uint8_t))
2705 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_PCICFG_WR
)
2706 pci_write_config_byte(pdev
, where
,
2708 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_PCICFG_ST
) {
2709 rc
= pci_read_config_byte(pdev
, where
, &u8val
);
2711 u8val
|= (uint8_t)value
;
2712 pci_write_config_byte(pdev
, where
,
2716 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_PCICFG_CL
) {
2717 rc
= pci_read_config_byte(pdev
, where
, &u8val
);
2719 u8val
&= (uint8_t)(~value
);
2720 pci_write_config_byte(pdev
, where
,
2725 if (count
== sizeof(uint16_t)) {
2726 if (where
> LPFC_PCI_CFG_SIZE
- sizeof(uint16_t))
2728 if (where
% sizeof(uint16_t))
2730 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_PCICFG_WR
)
2731 pci_write_config_word(pdev
, where
,
2733 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_PCICFG_ST
) {
2734 rc
= pci_read_config_word(pdev
, where
, &u16val
);
2736 u16val
|= (uint16_t)value
;
2737 pci_write_config_word(pdev
, where
,
2741 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_PCICFG_CL
) {
2742 rc
= pci_read_config_word(pdev
, where
, &u16val
);
2744 u16val
&= (uint16_t)(~value
);
2745 pci_write_config_word(pdev
, where
,
2750 if (count
== sizeof(uint32_t)) {
2751 if (where
> LPFC_PCI_CFG_SIZE
- sizeof(uint32_t))
2753 if (where
% sizeof(uint32_t))
2755 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_PCICFG_WR
)
2756 pci_write_config_dword(pdev
, where
, value
);
2757 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_PCICFG_ST
) {
2758 rc
= pci_read_config_dword(pdev
, where
,
2762 pci_write_config_dword(pdev
, where
,
2766 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_PCICFG_CL
) {
2767 rc
= pci_read_config_dword(pdev
, where
,
2771 pci_write_config_dword(pdev
, where
,
2777 /* All other opecodes are illegal for now */
2782 memset(&idiag
, 0, sizeof(idiag
));
2787 * lpfc_idiag_baracc_read - idiag debugfs pci bar access read
2788 * @file: The file pointer to read from.
2789 * @buf: The buffer to copy the data to.
2790 * @nbytes: The number of bytes to read.
2791 * @ppos: The position in the file to start reading from.
2794 * This routine reads data from the @phba pci bar memory mapped space
2795 * according to the idiag command, and copies to user @buf.
2798 * This function returns the amount of data that was read (this could be less
2799 * than @nbytes if the end of the file was reached) or a negative error value.
2802 lpfc_idiag_baracc_read(struct file
*file
, char __user
*buf
, size_t nbytes
,
2805 struct lpfc_debug
*debug
= file
->private_data
;
2806 struct lpfc_hba
*phba
= (struct lpfc_hba
*)debug
->i_private
;
2807 int offset_label
, offset
, offset_run
, len
= 0, index
;
2808 int bar_num
, acc_range
, bar_size
;
2810 void __iomem
*mem_mapped_bar
;
2812 struct pci_dev
*pdev
;
2815 pdev
= phba
->pcidev
;
2819 /* This is a user read operation */
2820 debug
->op
= LPFC_IDIAG_OP_RD
;
2823 debug
->buffer
= kmalloc(LPFC_PCI_BAR_RD_BUF_SIZE
, GFP_KERNEL
);
2826 pbuffer
= debug
->buffer
;
2831 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_BARACC_RD
) {
2832 bar_num
= idiag
.cmd
.data
[IDIAG_BARACC_BAR_NUM_INDX
];
2833 offset
= idiag
.cmd
.data
[IDIAG_BARACC_OFF_SET_INDX
];
2834 acc_range
= idiag
.cmd
.data
[IDIAG_BARACC_ACC_MOD_INDX
];
2835 bar_size
= idiag
.cmd
.data
[IDIAG_BARACC_BAR_SZE_INDX
];
2842 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
2843 if (if_type
== LPFC_SLI_INTF_IF_TYPE_0
) {
2844 if (bar_num
== IDIAG_BARACC_BAR_0
)
2845 mem_mapped_bar
= phba
->sli4_hba
.conf_regs_memmap_p
;
2846 else if (bar_num
== IDIAG_BARACC_BAR_1
)
2847 mem_mapped_bar
= phba
->sli4_hba
.ctrl_regs_memmap_p
;
2848 else if (bar_num
== IDIAG_BARACC_BAR_2
)
2849 mem_mapped_bar
= phba
->sli4_hba
.drbl_regs_memmap_p
;
2852 } else if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
2853 if (bar_num
== IDIAG_BARACC_BAR_0
)
2854 mem_mapped_bar
= phba
->sli4_hba
.conf_regs_memmap_p
;
2860 /* Read single PCI bar space register */
2861 if (acc_range
== SINGLE_WORD
) {
2862 offset_run
= offset
;
2863 u32val
= readl(mem_mapped_bar
+ offset_run
);
2864 len
+= snprintf(pbuffer
+len
, LPFC_PCI_BAR_RD_BUF_SIZE
-len
,
2865 "%05x: %08x\n", offset_run
, u32val
);
2869 return simple_read_from_buffer(buf
, nbytes
, ppos
, pbuffer
, len
);
2873 /* Browse all PCI bar space registers */
2874 offset_label
= idiag
.offset
.last_rd
;
2875 offset_run
= offset_label
;
2877 /* Read PCI bar memory mapped space */
2878 len
+= snprintf(pbuffer
+len
, LPFC_PCI_BAR_RD_BUF_SIZE
-len
,
2879 "%05x: ", offset_label
);
2880 index
= LPFC_PCI_BAR_RD_SIZE
;
2882 u32val
= readl(mem_mapped_bar
+ offset_run
);
2883 len
+= snprintf(pbuffer
+len
, LPFC_PCI_BAR_RD_BUF_SIZE
-len
,
2885 offset_run
+= sizeof(uint32_t);
2886 if (acc_range
== LPFC_PCI_BAR_BROWSE
) {
2887 if (offset_run
>= bar_size
) {
2888 len
+= snprintf(pbuffer
+len
,
2889 LPFC_PCI_BAR_RD_BUF_SIZE
-len
, "\n");
2893 if (offset_run
>= offset
+
2894 (acc_range
* sizeof(uint32_t))) {
2895 len
+= snprintf(pbuffer
+len
,
2896 LPFC_PCI_BAR_RD_BUF_SIZE
-len
, "\n");
2900 index
-= sizeof(uint32_t);
2902 len
+= snprintf(pbuffer
+len
,
2903 LPFC_PCI_BAR_RD_BUF_SIZE
-len
, "\n");
2904 else if (!(index
% (8 * sizeof(uint32_t)))) {
2905 offset_label
+= (8 * sizeof(uint32_t));
2906 len
+= snprintf(pbuffer
+len
,
2907 LPFC_PCI_BAR_RD_BUF_SIZE
-len
,
2908 "\n%05x: ", offset_label
);
2912 /* Set up the offset for next portion of pci bar read */
2914 idiag
.offset
.last_rd
+= LPFC_PCI_BAR_RD_SIZE
;
2915 if (acc_range
== LPFC_PCI_BAR_BROWSE
) {
2916 if (idiag
.offset
.last_rd
>= bar_size
)
2917 idiag
.offset
.last_rd
= 0;
2919 if (offset_run
>= offset
+
2920 (acc_range
* sizeof(uint32_t)))
2921 idiag
.offset
.last_rd
= offset
;
2924 if (acc_range
== LPFC_PCI_BAR_BROWSE
)
2925 idiag
.offset
.last_rd
= 0;
2927 idiag
.offset
.last_rd
= offset
;
2930 return simple_read_from_buffer(buf
, nbytes
, ppos
, pbuffer
, len
);
2934 * lpfc_idiag_baracc_write - Syntax check and set up idiag bar access commands
2935 * @file: The file pointer to read from.
2936 * @buf: The buffer to copy the user data from.
2937 * @nbytes: The number of bytes to get.
2938 * @ppos: The position in the file to start reading from.
2940 * This routine get the debugfs idiag command struct from user space and
2941 * then perform the syntax check for PCI bar memory mapped space read or
2942 * write command accordingly. In the case of PCI bar memory mapped space
2943 * read command, it sets up the command in the idiag command struct for
2944 * the debugfs read operation. In the case of PCI bar memorpy mapped space
2945 * write operation, it executes the write operation into the PCI bar memory
2946 * mapped space accordingly.
2948 * It returns the @nbytges passing in from debugfs user space when successful.
2949 * In case of error conditions, it returns proper error code back to the user
2953 lpfc_idiag_baracc_write(struct file
*file
, const char __user
*buf
,
2954 size_t nbytes
, loff_t
*ppos
)
2956 struct lpfc_debug
*debug
= file
->private_data
;
2957 struct lpfc_hba
*phba
= (struct lpfc_hba
*)debug
->i_private
;
2958 uint32_t bar_num
, bar_size
, offset
, value
, acc_range
;
2959 struct pci_dev
*pdev
;
2960 void __iomem
*mem_mapped_bar
;
2965 pdev
= phba
->pcidev
;
2969 /* This is a user write operation */
2970 debug
->op
= LPFC_IDIAG_OP_WR
;
2972 rc
= lpfc_idiag_cmd_get(buf
, nbytes
, &idiag
.cmd
);
2976 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
2977 bar_num
= idiag
.cmd
.data
[IDIAG_BARACC_BAR_NUM_INDX
];
2979 if (if_type
== LPFC_SLI_INTF_IF_TYPE_0
) {
2980 if ((bar_num
!= IDIAG_BARACC_BAR_0
) &&
2981 (bar_num
!= IDIAG_BARACC_BAR_1
) &&
2982 (bar_num
!= IDIAG_BARACC_BAR_2
))
2984 } else if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
2985 if (bar_num
!= IDIAG_BARACC_BAR_0
)
2990 if (if_type
== LPFC_SLI_INTF_IF_TYPE_0
) {
2991 if (bar_num
== IDIAG_BARACC_BAR_0
) {
2992 idiag
.cmd
.data
[IDIAG_BARACC_BAR_SZE_INDX
] =
2993 LPFC_PCI_IF0_BAR0_SIZE
;
2994 mem_mapped_bar
= phba
->sli4_hba
.conf_regs_memmap_p
;
2995 } else if (bar_num
== IDIAG_BARACC_BAR_1
) {
2996 idiag
.cmd
.data
[IDIAG_BARACC_BAR_SZE_INDX
] =
2997 LPFC_PCI_IF0_BAR1_SIZE
;
2998 mem_mapped_bar
= phba
->sli4_hba
.ctrl_regs_memmap_p
;
2999 } else if (bar_num
== IDIAG_BARACC_BAR_2
) {
3000 idiag
.cmd
.data
[IDIAG_BARACC_BAR_SZE_INDX
] =
3001 LPFC_PCI_IF0_BAR2_SIZE
;
3002 mem_mapped_bar
= phba
->sli4_hba
.drbl_regs_memmap_p
;
3005 } else if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
3006 if (bar_num
== IDIAG_BARACC_BAR_0
) {
3007 idiag
.cmd
.data
[IDIAG_BARACC_BAR_SZE_INDX
] =
3008 LPFC_PCI_IF2_BAR0_SIZE
;
3009 mem_mapped_bar
= phba
->sli4_hba
.conf_regs_memmap_p
;
3015 offset
= idiag
.cmd
.data
[IDIAG_BARACC_OFF_SET_INDX
];
3016 if (offset
% sizeof(uint32_t))
3019 bar_size
= idiag
.cmd
.data
[IDIAG_BARACC_BAR_SZE_INDX
];
3020 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_BARACC_RD
) {
3021 /* Sanity check on PCI config read command line arguments */
3022 if (rc
!= LPFC_PCI_BAR_RD_CMD_ARG
)
3024 acc_range
= idiag
.cmd
.data
[IDIAG_BARACC_ACC_MOD_INDX
];
3025 if (acc_range
== LPFC_PCI_BAR_BROWSE
) {
3026 if (offset
> bar_size
- sizeof(uint32_t))
3028 /* Starting offset to browse */
3029 idiag
.offset
.last_rd
= offset
;
3030 } else if (acc_range
> SINGLE_WORD
) {
3031 if (offset
+ acc_range
* sizeof(uint32_t) > bar_size
)
3033 /* Starting offset to browse */
3034 idiag
.offset
.last_rd
= offset
;
3035 } else if (acc_range
!= SINGLE_WORD
)
3037 } else if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_BARACC_WR
||
3038 idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_BARACC_ST
||
3039 idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_BARACC_CL
) {
3040 /* Sanity check on PCI bar write command line arguments */
3041 if (rc
!= LPFC_PCI_BAR_WR_CMD_ARG
)
3043 /* Write command to PCI bar space, read-modify-write */
3044 acc_range
= SINGLE_WORD
;
3045 value
= idiag
.cmd
.data
[IDIAG_BARACC_REG_VAL_INDX
];
3046 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_BARACC_WR
) {
3047 writel(value
, mem_mapped_bar
+ offset
);
3048 readl(mem_mapped_bar
+ offset
);
3050 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_BARACC_ST
) {
3051 u32val
= readl(mem_mapped_bar
+ offset
);
3053 writel(u32val
, mem_mapped_bar
+ offset
);
3054 readl(mem_mapped_bar
+ offset
);
3056 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_BARACC_CL
) {
3057 u32val
= readl(mem_mapped_bar
+ offset
);
3059 writel(u32val
, mem_mapped_bar
+ offset
);
3060 readl(mem_mapped_bar
+ offset
);
3063 /* All other opecodes are illegal for now */
3068 memset(&idiag
, 0, sizeof(idiag
));
3073 __lpfc_idiag_print_wq(struct lpfc_queue
*qp
, char *wqtype
,
3074 char *pbuffer
, int len
)
3079 len
+= snprintf(pbuffer
+ len
, LPFC_QUE_INFO_GET_BUF_SIZE
- len
,
3080 "\t\t%s WQ info: ", wqtype
);
3081 len
+= snprintf(pbuffer
+ len
, LPFC_QUE_INFO_GET_BUF_SIZE
- len
,
3082 "AssocCQID[%04d]: WQ-STAT[oflow:x%x posted:x%llx]\n",
3083 qp
->assoc_qid
, qp
->q_cnt_1
,
3084 (unsigned long long)qp
->q_cnt_4
);
3085 len
+= snprintf(pbuffer
+ len
, LPFC_QUE_INFO_GET_BUF_SIZE
- len
,
3086 "\t\tWQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
3087 "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]",
3088 qp
->queue_id
, qp
->entry_count
,
3089 qp
->entry_size
, qp
->host_index
,
3090 qp
->hba_index
, qp
->entry_repost
);
3091 len
+= snprintf(pbuffer
+ len
,
3092 LPFC_QUE_INFO_GET_BUF_SIZE
- len
, "\n");
3097 lpfc_idiag_wqs_for_cq(struct lpfc_hba
*phba
, char *wqtype
, char *pbuffer
,
3098 int *len
, int max_cnt
, int cq_id
)
3100 struct lpfc_queue
*qp
;
3103 for (qidx
= 0; qidx
< phba
->cfg_fcp_io_channel
; qidx
++) {
3104 qp
= phba
->sli4_hba
.fcp_wq
[qidx
];
3105 if (qp
->assoc_qid
!= cq_id
)
3107 *len
= __lpfc_idiag_print_wq(qp
, wqtype
, pbuffer
, *len
);
3108 if (*len
>= max_cnt
)
3111 for (qidx
= 0; qidx
< phba
->cfg_nvme_io_channel
; qidx
++) {
3112 qp
= phba
->sli4_hba
.nvme_wq
[qidx
];
3113 if (qp
->assoc_qid
!= cq_id
)
3115 *len
= __lpfc_idiag_print_wq(qp
, wqtype
, pbuffer
, *len
);
3116 if (*len
>= max_cnt
)
3123 __lpfc_idiag_print_cq(struct lpfc_queue
*qp
, char *cqtype
,
3124 char *pbuffer
, int len
)
3129 len
+= snprintf(pbuffer
+ len
, LPFC_QUE_INFO_GET_BUF_SIZE
- len
,
3130 "\t%s CQ info: ", cqtype
);
3131 len
+= snprintf(pbuffer
+ len
, LPFC_QUE_INFO_GET_BUF_SIZE
- len
,
3132 "AssocEQID[%02d]: CQ STAT[max:x%x relw:x%x "
3133 "xabt:x%x wq:x%llx]\n",
3134 qp
->assoc_qid
, qp
->q_cnt_1
, qp
->q_cnt_2
,
3135 qp
->q_cnt_3
, (unsigned long long)qp
->q_cnt_4
);
3136 len
+= snprintf(pbuffer
+ len
, LPFC_QUE_INFO_GET_BUF_SIZE
- len
,
3137 "\tCQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
3138 "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]",
3139 qp
->queue_id
, qp
->entry_count
,
3140 qp
->entry_size
, qp
->host_index
,
3141 qp
->hba_index
, qp
->entry_repost
);
3143 len
+= snprintf(pbuffer
+ len
, LPFC_QUE_INFO_GET_BUF_SIZE
- len
, "\n");
3149 __lpfc_idiag_print_rqpair(struct lpfc_queue
*qp
, struct lpfc_queue
*datqp
,
3150 char *rqtype
, char *pbuffer
, int len
)
3155 len
+= snprintf(pbuffer
+ len
, LPFC_QUE_INFO_GET_BUF_SIZE
- len
,
3156 "\t\t%s RQ info: ", rqtype
);
3157 len
+= snprintf(pbuffer
+ len
, LPFC_QUE_INFO_GET_BUF_SIZE
- len
,
3158 "AssocCQID[%02d]: RQ-STAT[nopost:x%x nobuf:x%x "
3159 "posted:x%x rcv:x%llx]\n",
3160 qp
->assoc_qid
, qp
->q_cnt_1
, qp
->q_cnt_2
,
3161 qp
->q_cnt_3
, (unsigned long long)qp
->q_cnt_4
);
3162 len
+= snprintf(pbuffer
+ len
, LPFC_QUE_INFO_GET_BUF_SIZE
- len
,
3163 "\t\tHQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
3164 "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]\n",
3165 qp
->queue_id
, qp
->entry_count
, qp
->entry_size
,
3166 qp
->host_index
, qp
->hba_index
, qp
->entry_repost
);
3167 len
+= snprintf(pbuffer
+ len
, LPFC_QUE_INFO_GET_BUF_SIZE
- len
,
3168 "\t\tDQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
3169 "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]\n",
3170 datqp
->queue_id
, datqp
->entry_count
,
3171 datqp
->entry_size
, datqp
->host_index
,
3172 datqp
->hba_index
, datqp
->entry_repost
);
3177 lpfc_idiag_cqs_for_eq(struct lpfc_hba
*phba
, char *pbuffer
,
3178 int *len
, int max_cnt
, int eqidx
, int eq_id
)
3180 struct lpfc_queue
*qp
;
3183 for (qidx
= 0; qidx
< phba
->cfg_fcp_io_channel
; qidx
++) {
3184 qp
= phba
->sli4_hba
.fcp_cq
[qidx
];
3185 if (qp
->assoc_qid
!= eq_id
)
3188 *len
= __lpfc_idiag_print_cq(qp
, "FCP", pbuffer
, *len
);
3190 /* Reset max counter */
3193 if (*len
>= max_cnt
)
3196 rc
= lpfc_idiag_wqs_for_cq(phba
, "FCP", pbuffer
, len
,
3197 max_cnt
, qp
->queue_id
);
3202 for (qidx
= 0; qidx
< phba
->cfg_nvme_io_channel
; qidx
++) {
3203 qp
= phba
->sli4_hba
.nvme_cq
[qidx
];
3204 if (qp
->assoc_qid
!= eq_id
)
3207 *len
= __lpfc_idiag_print_cq(qp
, "NVME", pbuffer
, *len
);
3209 /* Reset max counter */
3212 if (*len
>= max_cnt
)
3215 rc
= lpfc_idiag_wqs_for_cq(phba
, "NVME", pbuffer
, len
,
3216 max_cnt
, qp
->queue_id
);
3221 if (eqidx
< phba
->cfg_nvmet_mrq
) {
3223 qp
= phba
->sli4_hba
.nvmet_cqset
[eqidx
];
3224 *len
= __lpfc_idiag_print_cq(qp
, "NVMET CQset", pbuffer
, *len
);
3226 /* Reset max counter */
3229 if (*len
>= max_cnt
)
3233 qp
= phba
->sli4_hba
.nvmet_mrq_hdr
[eqidx
];
3234 *len
= __lpfc_idiag_print_rqpair(qp
,
3235 phba
->sli4_hba
.nvmet_mrq_data
[eqidx
],
3236 "NVMET MRQ", pbuffer
, *len
);
3238 if (*len
>= max_cnt
)
3246 __lpfc_idiag_print_eq(struct lpfc_queue
*qp
, char *eqtype
,
3247 char *pbuffer
, int len
)
3252 len
+= snprintf(pbuffer
+ len
, LPFC_QUE_INFO_GET_BUF_SIZE
- len
,
3253 "\n%s EQ info: EQ-STAT[max:x%x noE:x%x "
3254 "bs:x%x proc:x%llx eqd %d]\n",
3255 eqtype
, qp
->q_cnt_1
, qp
->q_cnt_2
, qp
->q_cnt_3
,
3256 (unsigned long long)qp
->q_cnt_4
, qp
->q_mode
);
3257 len
+= snprintf(pbuffer
+ len
, LPFC_QUE_INFO_GET_BUF_SIZE
- len
,
3258 "EQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
3259 "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]",
3260 qp
->queue_id
, qp
->entry_count
, qp
->entry_size
,
3261 qp
->host_index
, qp
->hba_index
, qp
->entry_repost
);
3262 len
+= snprintf(pbuffer
+ len
, LPFC_QUE_INFO_GET_BUF_SIZE
- len
, "\n");
3268 * lpfc_idiag_queinfo_read - idiag debugfs read queue information
3269 * @file: The file pointer to read from.
3270 * @buf: The buffer to copy the data to.
3271 * @nbytes: The number of bytes to read.
3272 * @ppos: The position in the file to start reading from.
3275 * This routine reads data from the @phba SLI4 PCI function queue information,
3276 * and copies to user @buf.
3277 * This routine only returns 1 EQs worth of information. It remembers the last
3278 * EQ read and jumps to the next EQ. Thus subsequent calls to queInfo will
3279 * retrieve all EQs allocated for the phba.
3282 * This function returns the amount of data that was read (this could be less
3283 * than @nbytes if the end of the file was reached) or a negative error value.
3286 lpfc_idiag_queinfo_read(struct file
*file
, char __user
*buf
, size_t nbytes
,
3289 struct lpfc_debug
*debug
= file
->private_data
;
3290 struct lpfc_hba
*phba
= (struct lpfc_hba
*)debug
->i_private
;
3292 int max_cnt
, rc
, x
, len
= 0;
3293 struct lpfc_queue
*qp
= NULL
;
3296 debug
->buffer
= kmalloc(LPFC_QUE_INFO_GET_BUF_SIZE
, GFP_KERNEL
);
3299 pbuffer
= debug
->buffer
;
3300 max_cnt
= LPFC_QUE_INFO_GET_BUF_SIZE
- 256;
3305 spin_lock_irq(&phba
->hbalock
);
3307 /* Fast-path event queue */
3308 if (phba
->sli4_hba
.hba_eq
&& phba
->io_channel_irqs
) {
3310 x
= phba
->lpfc_idiag_last_eq
;
3311 if (phba
->cfg_fof
&& (x
>= phba
->io_channel_irqs
)) {
3312 phba
->lpfc_idiag_last_eq
= 0;
3315 phba
->lpfc_idiag_last_eq
++;
3316 if (phba
->lpfc_idiag_last_eq
>= phba
->io_channel_irqs
)
3317 if (phba
->cfg_fof
== 0)
3318 phba
->lpfc_idiag_last_eq
= 0;
3320 len
+= snprintf(pbuffer
+ len
, LPFC_QUE_INFO_GET_BUF_SIZE
- len
,
3321 "EQ %d out of %d HBA EQs\n",
3322 x
, phba
->io_channel_irqs
);
3325 qp
= phba
->sli4_hba
.hba_eq
[x
];
3329 len
= __lpfc_idiag_print_eq(qp
, "HBA", pbuffer
, len
);
3331 /* Reset max counter */
3337 /* will dump both fcp and nvme cqs/wqs for the eq */
3338 rc
= lpfc_idiag_cqs_for_eq(phba
, pbuffer
, &len
,
3339 max_cnt
, x
, qp
->queue_id
);
3343 /* Only EQ 0 has slow path CQs configured */
3347 /* Slow-path mailbox CQ */
3348 qp
= phba
->sli4_hba
.mbx_cq
;
3349 len
= __lpfc_idiag_print_cq(qp
, "MBX", pbuffer
, len
);
3353 /* Slow-path MBOX MQ */
3354 qp
= phba
->sli4_hba
.mbx_wq
;
3355 len
= __lpfc_idiag_print_wq(qp
, "MBX", pbuffer
, len
);
3359 /* Slow-path ELS response CQ */
3360 qp
= phba
->sli4_hba
.els_cq
;
3361 len
= __lpfc_idiag_print_cq(qp
, "ELS", pbuffer
, len
);
3362 /* Reset max counter */
3368 /* Slow-path ELS WQ */
3369 qp
= phba
->sli4_hba
.els_wq
;
3370 len
= __lpfc_idiag_print_wq(qp
, "ELS", pbuffer
, len
);
3374 /* Slow-path NVME LS response CQ */
3375 qp
= phba
->sli4_hba
.nvmels_cq
;
3376 len
= __lpfc_idiag_print_cq(qp
, "NVME LS",
3378 /* Reset max counter */
3384 /* Slow-path NVME LS WQ */
3385 qp
= phba
->sli4_hba
.nvmels_wq
;
3386 len
= __lpfc_idiag_print_wq(qp
, "NVME LS",
3391 qp
= phba
->sli4_hba
.hdr_rq
;
3392 len
= __lpfc_idiag_print_rqpair(qp
, phba
->sli4_hba
.dat_rq
,
3393 "RQpair", pbuffer
, len
);
3401 if (phba
->cfg_fof
) {
3403 qp
= phba
->sli4_hba
.fof_eq
;
3404 len
= __lpfc_idiag_print_eq(qp
, "FOF", pbuffer
, len
);
3406 /* Reset max counter */
3414 qp
= phba
->sli4_hba
.oas_cq
;
3415 len
= __lpfc_idiag_print_cq(qp
, "OAS", pbuffer
, len
);
3416 /* Reset max counter */
3423 qp
= phba
->sli4_hba
.oas_wq
;
3424 len
= __lpfc_idiag_print_wq(qp
, "OAS", pbuffer
, len
);
3429 spin_unlock_irq(&phba
->hbalock
);
3430 return simple_read_from_buffer(buf
, nbytes
, ppos
, pbuffer
, len
);
3433 len
+= snprintf(pbuffer
+ len
,
3434 LPFC_QUE_INFO_GET_BUF_SIZE
- len
, "Truncated ...\n");
3436 spin_unlock_irq(&phba
->hbalock
);
3437 return simple_read_from_buffer(buf
, nbytes
, ppos
, pbuffer
, len
);
3441 * lpfc_idiag_que_param_check - queue access command parameter sanity check
3442 * @q: The pointer to queue structure.
3443 * @index: The index into a queue entry.
3444 * @count: The number of queue entries to access.
3447 * The routine performs sanity check on device queue access method commands.
3450 * This function returns -EINVAL when fails the sanity check, otherwise, it
3454 lpfc_idiag_que_param_check(struct lpfc_queue
*q
, int index
, int count
)
3456 /* Only support single entry read or browsing */
3457 if ((count
!= 1) && (count
!= LPFC_QUE_ACC_BROWSE
))
3459 if (index
> q
->entry_count
- 1)
3465 * lpfc_idiag_queacc_read_qe - read a single entry from the given queue index
3466 * @pbuffer: The pointer to buffer to copy the read data into.
3467 * @pque: The pointer to the queue to be read.
3468 * @index: The index into the queue entry.
3471 * This routine reads out a single entry from the given queue's index location
3472 * and copies it into the buffer provided.
3475 * This function returns 0 when it fails, otherwise, it returns the length of
3476 * the data read into the buffer provided.
3479 lpfc_idiag_queacc_read_qe(char *pbuffer
, int len
, struct lpfc_queue
*pque
,
3485 if (!pbuffer
|| !pque
)
3488 esize
= pque
->entry_size
;
3489 len
+= snprintf(pbuffer
+len
, LPFC_QUE_ACC_BUF_SIZE
-len
,
3490 "QE-INDEX[%04d]:\n", index
);
3493 pentry
= pque
->qe
[index
].address
;
3495 len
+= snprintf(pbuffer
+len
, LPFC_QUE_ACC_BUF_SIZE
-len
,
3498 offset
+= sizeof(uint32_t);
3499 esize
-= sizeof(uint32_t);
3500 if (esize
> 0 && !(offset
% (4 * sizeof(uint32_t))))
3501 len
+= snprintf(pbuffer
+len
,
3502 LPFC_QUE_ACC_BUF_SIZE
-len
, "\n");
3504 len
+= snprintf(pbuffer
+len
, LPFC_QUE_ACC_BUF_SIZE
-len
, "\n");
3510 * lpfc_idiag_queacc_read - idiag debugfs read port queue
3511 * @file: The file pointer to read from.
3512 * @buf: The buffer to copy the data to.
3513 * @nbytes: The number of bytes to read.
3514 * @ppos: The position in the file to start reading from.
3517 * This routine reads data from the @phba device queue memory according to the
3518 * idiag command, and copies to user @buf. Depending on the queue dump read
3519 * command setup, it does either a single queue entry read or browing through
3520 * all entries of the queue.
3523 * This function returns the amount of data that was read (this could be less
3524 * than @nbytes if the end of the file was reached) or a negative error value.
3527 lpfc_idiag_queacc_read(struct file
*file
, char __user
*buf
, size_t nbytes
,
3530 struct lpfc_debug
*debug
= file
->private_data
;
3531 uint32_t last_index
, index
, count
;
3532 struct lpfc_queue
*pque
= NULL
;
3536 /* This is a user read operation */
3537 debug
->op
= LPFC_IDIAG_OP_RD
;
3540 debug
->buffer
= kmalloc(LPFC_QUE_ACC_BUF_SIZE
, GFP_KERNEL
);
3543 pbuffer
= debug
->buffer
;
3548 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_QUEACC_RD
) {
3549 index
= idiag
.cmd
.data
[IDIAG_QUEACC_INDEX_INDX
];
3550 count
= idiag
.cmd
.data
[IDIAG_QUEACC_COUNT_INDX
];
3551 pque
= (struct lpfc_queue
*)idiag
.ptr_private
;
3555 /* Browse the queue starting from index */
3556 if (count
== LPFC_QUE_ACC_BROWSE
)
3559 /* Read a single entry from the queue */
3560 len
= lpfc_idiag_queacc_read_qe(pbuffer
, len
, pque
, index
);
3562 return simple_read_from_buffer(buf
, nbytes
, ppos
, pbuffer
, len
);
3566 /* Browse all entries from the queue */
3567 last_index
= idiag
.offset
.last_rd
;
3570 while (len
< LPFC_QUE_ACC_SIZE
- pque
->entry_size
) {
3571 len
= lpfc_idiag_queacc_read_qe(pbuffer
, len
, pque
, index
);
3573 if (index
> pque
->entry_count
- 1)
3577 /* Set up the offset for next portion of pci cfg read */
3578 if (index
> pque
->entry_count
- 1)
3580 idiag
.offset
.last_rd
= index
;
3582 return simple_read_from_buffer(buf
, nbytes
, ppos
, pbuffer
, len
);
3586 * lpfc_idiag_queacc_write - Syntax check and set up idiag queacc commands
3587 * @file: The file pointer to read from.
3588 * @buf: The buffer to copy the user data from.
3589 * @nbytes: The number of bytes to get.
3590 * @ppos: The position in the file to start reading from.
3592 * This routine get the debugfs idiag command struct from user space and then
3593 * perform the syntax check for port queue read (dump) or write (set) command
3594 * accordingly. In the case of port queue read command, it sets up the command
3595 * in the idiag command struct for the following debugfs read operation. In
3596 * the case of port queue write operation, it executes the write operation
3597 * into the port queue entry accordingly.
3599 * It returns the @nbytges passing in from debugfs user space when successful.
3600 * In case of error conditions, it returns proper error code back to the user
3604 lpfc_idiag_queacc_write(struct file
*file
, const char __user
*buf
,
3605 size_t nbytes
, loff_t
*ppos
)
3607 struct lpfc_debug
*debug
= file
->private_data
;
3608 struct lpfc_hba
*phba
= (struct lpfc_hba
*)debug
->i_private
;
3609 uint32_t qidx
, quetp
, queid
, index
, count
, offset
, value
;
3611 struct lpfc_queue
*pque
, *qp
;
3614 /* This is a user write operation */
3615 debug
->op
= LPFC_IDIAG_OP_WR
;
3617 rc
= lpfc_idiag_cmd_get(buf
, nbytes
, &idiag
.cmd
);
3621 /* Get and sanity check on command feilds */
3622 quetp
= idiag
.cmd
.data
[IDIAG_QUEACC_QUETP_INDX
];
3623 queid
= idiag
.cmd
.data
[IDIAG_QUEACC_QUEID_INDX
];
3624 index
= idiag
.cmd
.data
[IDIAG_QUEACC_INDEX_INDX
];
3625 count
= idiag
.cmd
.data
[IDIAG_QUEACC_COUNT_INDX
];
3626 offset
= idiag
.cmd
.data
[IDIAG_QUEACC_OFFST_INDX
];
3627 value
= idiag
.cmd
.data
[IDIAG_QUEACC_VALUE_INDX
];
3629 /* Sanity check on command line arguments */
3630 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_QUEACC_WR
||
3631 idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_QUEACC_ST
||
3632 idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_QUEACC_CL
) {
3633 if (rc
!= LPFC_QUE_ACC_WR_CMD_ARG
)
3637 } else if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_QUEACC_RD
) {
3638 if (rc
!= LPFC_QUE_ACC_RD_CMD_ARG
)
3645 /* HBA event queue */
3646 if (phba
->sli4_hba
.hba_eq
) {
3647 for (qidx
= 0; qidx
< phba
->io_channel_irqs
; qidx
++) {
3648 qp
= phba
->sli4_hba
.hba_eq
[qidx
];
3649 if (qp
&& qp
->queue_id
== queid
) {
3651 rc
= lpfc_idiag_que_param_check(qp
,
3655 idiag
.ptr_private
= qp
;
3663 /* MBX complete queue */
3664 if (phba
->sli4_hba
.mbx_cq
&&
3665 phba
->sli4_hba
.mbx_cq
->queue_id
== queid
) {
3667 rc
= lpfc_idiag_que_param_check(
3668 phba
->sli4_hba
.mbx_cq
, index
, count
);
3671 idiag
.ptr_private
= phba
->sli4_hba
.mbx_cq
;
3674 /* ELS complete queue */
3675 if (phba
->sli4_hba
.els_cq
&&
3676 phba
->sli4_hba
.els_cq
->queue_id
== queid
) {
3678 rc
= lpfc_idiag_que_param_check(
3679 phba
->sli4_hba
.els_cq
, index
, count
);
3682 idiag
.ptr_private
= phba
->sli4_hba
.els_cq
;
3685 /* NVME LS complete queue */
3686 if (phba
->sli4_hba
.nvmels_cq
&&
3687 phba
->sli4_hba
.nvmels_cq
->queue_id
== queid
) {
3689 rc
= lpfc_idiag_que_param_check(
3690 phba
->sli4_hba
.nvmels_cq
, index
, count
);
3693 idiag
.ptr_private
= phba
->sli4_hba
.nvmels_cq
;
3696 /* FCP complete queue */
3697 if (phba
->sli4_hba
.fcp_cq
) {
3698 for (qidx
= 0; qidx
< phba
->cfg_fcp_io_channel
;
3700 qp
= phba
->sli4_hba
.fcp_cq
[qidx
];
3701 if (qp
&& qp
->queue_id
== queid
) {
3703 rc
= lpfc_idiag_que_param_check(
3707 idiag
.ptr_private
= qp
;
3712 /* NVME complete queue */
3713 if (phba
->sli4_hba
.nvme_cq
) {
3716 if (phba
->sli4_hba
.nvme_cq
[qidx
] &&
3717 phba
->sli4_hba
.nvme_cq
[qidx
]->queue_id
==
3720 rc
= lpfc_idiag_que_param_check(
3721 phba
->sli4_hba
.nvme_cq
[qidx
],
3726 phba
->sli4_hba
.nvme_cq
[qidx
];
3729 } while (++qidx
< phba
->cfg_nvme_io_channel
);
3734 /* MBX work queue */
3735 if (phba
->sli4_hba
.mbx_wq
&&
3736 phba
->sli4_hba
.mbx_wq
->queue_id
== queid
) {
3738 rc
= lpfc_idiag_que_param_check(
3739 phba
->sli4_hba
.mbx_wq
, index
, count
);
3742 idiag
.ptr_private
= phba
->sli4_hba
.mbx_wq
;
3748 /* ELS work queue */
3749 if (phba
->sli4_hba
.els_wq
&&
3750 phba
->sli4_hba
.els_wq
->queue_id
== queid
) {
3752 rc
= lpfc_idiag_que_param_check(
3753 phba
->sli4_hba
.els_wq
, index
, count
);
3756 idiag
.ptr_private
= phba
->sli4_hba
.els_wq
;
3759 /* NVME LS work queue */
3760 if (phba
->sli4_hba
.nvmels_wq
&&
3761 phba
->sli4_hba
.nvmels_wq
->queue_id
== queid
) {
3763 rc
= lpfc_idiag_que_param_check(
3764 phba
->sli4_hba
.nvmels_wq
, index
, count
);
3767 idiag
.ptr_private
= phba
->sli4_hba
.nvmels_wq
;
3770 /* FCP work queue */
3771 if (phba
->sli4_hba
.fcp_wq
) {
3772 for (qidx
= 0; qidx
< phba
->cfg_fcp_io_channel
;
3774 qp
= phba
->sli4_hba
.fcp_wq
[qidx
];
3775 if (qp
&& qp
->queue_id
== queid
) {
3777 rc
= lpfc_idiag_que_param_check(
3781 idiag
.ptr_private
= qp
;
3786 /* NVME work queue */
3787 if (phba
->sli4_hba
.nvme_wq
) {
3788 for (qidx
= 0; qidx
< phba
->cfg_nvme_io_channel
;
3790 qp
= phba
->sli4_hba
.nvme_wq
[qidx
];
3791 if (qp
&& qp
->queue_id
== queid
) {
3793 rc
= lpfc_idiag_que_param_check(
3797 idiag
.ptr_private
= qp
;
3803 /* NVME work queues */
3804 if (phba
->sli4_hba
.nvme_wq
) {
3805 for (qidx
= 0; qidx
< phba
->cfg_nvme_io_channel
;
3807 if (!phba
->sli4_hba
.nvme_wq
[qidx
])
3809 if (phba
->sli4_hba
.nvme_wq
[qidx
]->queue_id
==
3812 rc
= lpfc_idiag_que_param_check(
3813 phba
->sli4_hba
.nvme_wq
[qidx
],
3818 phba
->sli4_hba
.nvme_wq
[qidx
];
3827 if (phba
->sli4_hba
.hdr_rq
&&
3828 phba
->sli4_hba
.hdr_rq
->queue_id
== queid
) {
3830 rc
= lpfc_idiag_que_param_check(
3831 phba
->sli4_hba
.hdr_rq
, index
, count
);
3834 idiag
.ptr_private
= phba
->sli4_hba
.hdr_rq
;
3838 if (phba
->sli4_hba
.dat_rq
&&
3839 phba
->sli4_hba
.dat_rq
->queue_id
== queid
) {
3841 rc
= lpfc_idiag_que_param_check(
3842 phba
->sli4_hba
.dat_rq
, index
, count
);
3845 idiag
.ptr_private
= phba
->sli4_hba
.dat_rq
;
3857 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_QUEACC_RD
) {
3858 if (count
== LPFC_QUE_ACC_BROWSE
)
3859 idiag
.offset
.last_rd
= index
;
3862 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_QUEACC_WR
||
3863 idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_QUEACC_ST
||
3864 idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_QUEACC_CL
) {
3865 /* Additional sanity checks on write operation */
3866 pque
= (struct lpfc_queue
*)idiag
.ptr_private
;
3867 if (offset
> pque
->entry_size
/sizeof(uint32_t) - 1)
3869 pentry
= pque
->qe
[index
].address
;
3871 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_QUEACC_WR
)
3873 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_QUEACC_ST
)
3875 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_QUEACC_CL
)
3881 /* Clean out command structure on command error out */
3882 memset(&idiag
, 0, sizeof(idiag
));
3887 * lpfc_idiag_drbacc_read_reg - idiag debugfs read a doorbell register
3888 * @phba: The pointer to hba structure.
3889 * @pbuffer: The pointer to the buffer to copy the data to.
3890 * @len: The lenght of bytes to copied.
3891 * @drbregid: The id to doorbell registers.
3894 * This routine reads a doorbell register and copies its content to the
3895 * user buffer pointed to by @pbuffer.
3898 * This function returns the amount of data that was copied into @pbuffer.
3901 lpfc_idiag_drbacc_read_reg(struct lpfc_hba
*phba
, char *pbuffer
,
3902 int len
, uint32_t drbregid
)
3910 len
+= snprintf(pbuffer
+len
, LPFC_DRB_ACC_BUF_SIZE
-len
,
3911 "EQCQ-DRB-REG: 0x%08x\n",
3912 readl(phba
->sli4_hba
.EQCQDBregaddr
));
3915 len
+= snprintf(pbuffer
+len
, LPFC_DRB_ACC_BUF_SIZE
-len
,
3916 "MQ-DRB-REG: 0x%08x\n",
3917 readl(phba
->sli4_hba
.MQDBregaddr
));
3920 len
+= snprintf(pbuffer
+len
, LPFC_DRB_ACC_BUF_SIZE
-len
,
3921 "WQ-DRB-REG: 0x%08x\n",
3922 readl(phba
->sli4_hba
.WQDBregaddr
));
3925 len
+= snprintf(pbuffer
+len
, LPFC_DRB_ACC_BUF_SIZE
-len
,
3926 "RQ-DRB-REG: 0x%08x\n",
3927 readl(phba
->sli4_hba
.RQDBregaddr
));
3937 * lpfc_idiag_drbacc_read - idiag debugfs read port doorbell
3938 * @file: The file pointer to read from.
3939 * @buf: The buffer to copy the data to.
3940 * @nbytes: The number of bytes to read.
3941 * @ppos: The position in the file to start reading from.
3944 * This routine reads data from the @phba device doorbell register according
3945 * to the idiag command, and copies to user @buf. Depending on the doorbell
3946 * register read command setup, it does either a single doorbell register
3947 * read or dump all doorbell registers.
3950 * This function returns the amount of data that was read (this could be less
3951 * than @nbytes if the end of the file was reached) or a negative error value.
3954 lpfc_idiag_drbacc_read(struct file
*file
, char __user
*buf
, size_t nbytes
,
3957 struct lpfc_debug
*debug
= file
->private_data
;
3958 struct lpfc_hba
*phba
= (struct lpfc_hba
*)debug
->i_private
;
3959 uint32_t drb_reg_id
, i
;
3963 /* This is a user read operation */
3964 debug
->op
= LPFC_IDIAG_OP_RD
;
3967 debug
->buffer
= kmalloc(LPFC_DRB_ACC_BUF_SIZE
, GFP_KERNEL
);
3970 pbuffer
= debug
->buffer
;
3975 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_DRBACC_RD
)
3976 drb_reg_id
= idiag
.cmd
.data
[IDIAG_DRBACC_REGID_INDX
];
3980 if (drb_reg_id
== LPFC_DRB_ACC_ALL
)
3981 for (i
= 1; i
<= LPFC_DRB_MAX
; i
++)
3982 len
= lpfc_idiag_drbacc_read_reg(phba
,
3985 len
= lpfc_idiag_drbacc_read_reg(phba
,
3986 pbuffer
, len
, drb_reg_id
);
3988 return simple_read_from_buffer(buf
, nbytes
, ppos
, pbuffer
, len
);
3992 * lpfc_idiag_drbacc_write - Syntax check and set up idiag drbacc commands
3993 * @file: The file pointer to read from.
3994 * @buf: The buffer to copy the user data from.
3995 * @nbytes: The number of bytes to get.
3996 * @ppos: The position in the file to start reading from.
3998 * This routine get the debugfs idiag command struct from user space and then
3999 * perform the syntax check for port doorbell register read (dump) or write
4000 * (set) command accordingly. In the case of port queue read command, it sets
4001 * up the command in the idiag command struct for the following debugfs read
4002 * operation. In the case of port doorbell register write operation, it
4003 * executes the write operation into the port doorbell register accordingly.
4005 * It returns the @nbytges passing in from debugfs user space when successful.
4006 * In case of error conditions, it returns proper error code back to the user
4010 lpfc_idiag_drbacc_write(struct file
*file
, const char __user
*buf
,
4011 size_t nbytes
, loff_t
*ppos
)
4013 struct lpfc_debug
*debug
= file
->private_data
;
4014 struct lpfc_hba
*phba
= (struct lpfc_hba
*)debug
->i_private
;
4015 uint32_t drb_reg_id
, value
, reg_val
= 0;
4016 void __iomem
*drb_reg
;
4019 /* This is a user write operation */
4020 debug
->op
= LPFC_IDIAG_OP_WR
;
4022 rc
= lpfc_idiag_cmd_get(buf
, nbytes
, &idiag
.cmd
);
4026 /* Sanity check on command line arguments */
4027 drb_reg_id
= idiag
.cmd
.data
[IDIAG_DRBACC_REGID_INDX
];
4028 value
= idiag
.cmd
.data
[IDIAG_DRBACC_VALUE_INDX
];
4030 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_DRBACC_WR
||
4031 idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_DRBACC_ST
||
4032 idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_DRBACC_CL
) {
4033 if (rc
!= LPFC_DRB_ACC_WR_CMD_ARG
)
4035 if (drb_reg_id
> LPFC_DRB_MAX
)
4037 } else if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_DRBACC_RD
) {
4038 if (rc
!= LPFC_DRB_ACC_RD_CMD_ARG
)
4040 if ((drb_reg_id
> LPFC_DRB_MAX
) &&
4041 (drb_reg_id
!= LPFC_DRB_ACC_ALL
))
4046 /* Perform the write access operation */
4047 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_DRBACC_WR
||
4048 idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_DRBACC_ST
||
4049 idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_DRBACC_CL
) {
4050 switch (drb_reg_id
) {
4052 drb_reg
= phba
->sli4_hba
.EQCQDBregaddr
;
4055 drb_reg
= phba
->sli4_hba
.MQDBregaddr
;
4058 drb_reg
= phba
->sli4_hba
.WQDBregaddr
;
4061 drb_reg
= phba
->sli4_hba
.RQDBregaddr
;
4067 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_DRBACC_WR
)
4069 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_DRBACC_ST
) {
4070 reg_val
= readl(drb_reg
);
4073 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_DRBACC_CL
) {
4074 reg_val
= readl(drb_reg
);
4077 writel(reg_val
, drb_reg
);
4078 readl(drb_reg
); /* flush */
4083 /* Clean out command structure on command error out */
4084 memset(&idiag
, 0, sizeof(idiag
));
4089 * lpfc_idiag_ctlacc_read_reg - idiag debugfs read a control registers
4090 * @phba: The pointer to hba structure.
4091 * @pbuffer: The pointer to the buffer to copy the data to.
4092 * @len: The lenght of bytes to copied.
4093 * @drbregid: The id to doorbell registers.
4096 * This routine reads a control register and copies its content to the
4097 * user buffer pointed to by @pbuffer.
4100 * This function returns the amount of data that was copied into @pbuffer.
4103 lpfc_idiag_ctlacc_read_reg(struct lpfc_hba
*phba
, char *pbuffer
,
4104 int len
, uint32_t ctlregid
)
4111 case LPFC_CTL_PORT_SEM
:
4112 len
+= snprintf(pbuffer
+len
, LPFC_CTL_ACC_BUF_SIZE
-len
,
4113 "Port SemReg: 0x%08x\n",
4114 readl(phba
->sli4_hba
.conf_regs_memmap_p
+
4115 LPFC_CTL_PORT_SEM_OFFSET
));
4117 case LPFC_CTL_PORT_STA
:
4118 len
+= snprintf(pbuffer
+len
, LPFC_CTL_ACC_BUF_SIZE
-len
,
4119 "Port StaReg: 0x%08x\n",
4120 readl(phba
->sli4_hba
.conf_regs_memmap_p
+
4121 LPFC_CTL_PORT_STA_OFFSET
));
4123 case LPFC_CTL_PORT_CTL
:
4124 len
+= snprintf(pbuffer
+len
, LPFC_CTL_ACC_BUF_SIZE
-len
,
4125 "Port CtlReg: 0x%08x\n",
4126 readl(phba
->sli4_hba
.conf_regs_memmap_p
+
4127 LPFC_CTL_PORT_CTL_OFFSET
));
4129 case LPFC_CTL_PORT_ER1
:
4130 len
+= snprintf(pbuffer
+len
, LPFC_CTL_ACC_BUF_SIZE
-len
,
4131 "Port Er1Reg: 0x%08x\n",
4132 readl(phba
->sli4_hba
.conf_regs_memmap_p
+
4133 LPFC_CTL_PORT_ER1_OFFSET
));
4135 case LPFC_CTL_PORT_ER2
:
4136 len
+= snprintf(pbuffer
+len
, LPFC_CTL_ACC_BUF_SIZE
-len
,
4137 "Port Er2Reg: 0x%08x\n",
4138 readl(phba
->sli4_hba
.conf_regs_memmap_p
+
4139 LPFC_CTL_PORT_ER2_OFFSET
));
4141 case LPFC_CTL_PDEV_CTL
:
4142 len
+= snprintf(pbuffer
+len
, LPFC_CTL_ACC_BUF_SIZE
-len
,
4143 "PDev CtlReg: 0x%08x\n",
4144 readl(phba
->sli4_hba
.conf_regs_memmap_p
+
4145 LPFC_CTL_PDEV_CTL_OFFSET
));
4154 * lpfc_idiag_ctlacc_read - idiag debugfs read port and device control register
4155 * @file: The file pointer to read from.
4156 * @buf: The buffer to copy the data to.
4157 * @nbytes: The number of bytes to read.
4158 * @ppos: The position in the file to start reading from.
4161 * This routine reads data from the @phba port and device registers according
4162 * to the idiag command, and copies to user @buf.
4165 * This function returns the amount of data that was read (this could be less
4166 * than @nbytes if the end of the file was reached) or a negative error value.
4169 lpfc_idiag_ctlacc_read(struct file
*file
, char __user
*buf
, size_t nbytes
,
4172 struct lpfc_debug
*debug
= file
->private_data
;
4173 struct lpfc_hba
*phba
= (struct lpfc_hba
*)debug
->i_private
;
4174 uint32_t ctl_reg_id
, i
;
4178 /* This is a user read operation */
4179 debug
->op
= LPFC_IDIAG_OP_RD
;
4182 debug
->buffer
= kmalloc(LPFC_CTL_ACC_BUF_SIZE
, GFP_KERNEL
);
4185 pbuffer
= debug
->buffer
;
4190 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_CTLACC_RD
)
4191 ctl_reg_id
= idiag
.cmd
.data
[IDIAG_CTLACC_REGID_INDX
];
4195 if (ctl_reg_id
== LPFC_CTL_ACC_ALL
)
4196 for (i
= 1; i
<= LPFC_CTL_MAX
; i
++)
4197 len
= lpfc_idiag_ctlacc_read_reg(phba
,
4200 len
= lpfc_idiag_ctlacc_read_reg(phba
,
4201 pbuffer
, len
, ctl_reg_id
);
4203 return simple_read_from_buffer(buf
, nbytes
, ppos
, pbuffer
, len
);
4207 * lpfc_idiag_ctlacc_write - Syntax check and set up idiag ctlacc commands
4208 * @file: The file pointer to read from.
4209 * @buf: The buffer to copy the user data from.
4210 * @nbytes: The number of bytes to get.
4211 * @ppos: The position in the file to start reading from.
4213 * This routine get the debugfs idiag command struct from user space and then
4214 * perform the syntax check for port and device control register read (dump)
4215 * or write (set) command accordingly.
4217 * It returns the @nbytges passing in from debugfs user space when successful.
4218 * In case of error conditions, it returns proper error code back to the user
4222 lpfc_idiag_ctlacc_write(struct file
*file
, const char __user
*buf
,
4223 size_t nbytes
, loff_t
*ppos
)
4225 struct lpfc_debug
*debug
= file
->private_data
;
4226 struct lpfc_hba
*phba
= (struct lpfc_hba
*)debug
->i_private
;
4227 uint32_t ctl_reg_id
, value
, reg_val
= 0;
4228 void __iomem
*ctl_reg
;
4231 /* This is a user write operation */
4232 debug
->op
= LPFC_IDIAG_OP_WR
;
4234 rc
= lpfc_idiag_cmd_get(buf
, nbytes
, &idiag
.cmd
);
4238 /* Sanity check on command line arguments */
4239 ctl_reg_id
= idiag
.cmd
.data
[IDIAG_CTLACC_REGID_INDX
];
4240 value
= idiag
.cmd
.data
[IDIAG_CTLACC_VALUE_INDX
];
4242 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_CTLACC_WR
||
4243 idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_CTLACC_ST
||
4244 idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_CTLACC_CL
) {
4245 if (rc
!= LPFC_CTL_ACC_WR_CMD_ARG
)
4247 if (ctl_reg_id
> LPFC_CTL_MAX
)
4249 } else if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_CTLACC_RD
) {
4250 if (rc
!= LPFC_CTL_ACC_RD_CMD_ARG
)
4252 if ((ctl_reg_id
> LPFC_CTL_MAX
) &&
4253 (ctl_reg_id
!= LPFC_CTL_ACC_ALL
))
4258 /* Perform the write access operation */
4259 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_CTLACC_WR
||
4260 idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_CTLACC_ST
||
4261 idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_CTLACC_CL
) {
4262 switch (ctl_reg_id
) {
4263 case LPFC_CTL_PORT_SEM
:
4264 ctl_reg
= phba
->sli4_hba
.conf_regs_memmap_p
+
4265 LPFC_CTL_PORT_SEM_OFFSET
;
4267 case LPFC_CTL_PORT_STA
:
4268 ctl_reg
= phba
->sli4_hba
.conf_regs_memmap_p
+
4269 LPFC_CTL_PORT_STA_OFFSET
;
4271 case LPFC_CTL_PORT_CTL
:
4272 ctl_reg
= phba
->sli4_hba
.conf_regs_memmap_p
+
4273 LPFC_CTL_PORT_CTL_OFFSET
;
4275 case LPFC_CTL_PORT_ER1
:
4276 ctl_reg
= phba
->sli4_hba
.conf_regs_memmap_p
+
4277 LPFC_CTL_PORT_ER1_OFFSET
;
4279 case LPFC_CTL_PORT_ER2
:
4280 ctl_reg
= phba
->sli4_hba
.conf_regs_memmap_p
+
4281 LPFC_CTL_PORT_ER2_OFFSET
;
4283 case LPFC_CTL_PDEV_CTL
:
4284 ctl_reg
= phba
->sli4_hba
.conf_regs_memmap_p
+
4285 LPFC_CTL_PDEV_CTL_OFFSET
;
4291 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_CTLACC_WR
)
4293 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_CTLACC_ST
) {
4294 reg_val
= readl(ctl_reg
);
4297 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_CTLACC_CL
) {
4298 reg_val
= readl(ctl_reg
);
4301 writel(reg_val
, ctl_reg
);
4302 readl(ctl_reg
); /* flush */
4307 /* Clean out command structure on command error out */
4308 memset(&idiag
, 0, sizeof(idiag
));
4313 * lpfc_idiag_mbxacc_get_setup - idiag debugfs get mailbox access setup
4314 * @phba: Pointer to HBA context object.
4315 * @pbuffer: Pointer to data buffer.
4318 * This routine gets the driver mailbox access debugfs setup information.
4321 * This function returns the amount of data that was read (this could be less
4322 * than @nbytes if the end of the file was reached) or a negative error value.
4325 lpfc_idiag_mbxacc_get_setup(struct lpfc_hba
*phba
, char *pbuffer
)
4327 uint32_t mbx_dump_map
, mbx_dump_cnt
, mbx_word_cnt
, mbx_mbox_cmd
;
4330 mbx_mbox_cmd
= idiag
.cmd
.data
[IDIAG_MBXACC_MBCMD_INDX
];
4331 mbx_dump_map
= idiag
.cmd
.data
[IDIAG_MBXACC_DPMAP_INDX
];
4332 mbx_dump_cnt
= idiag
.cmd
.data
[IDIAG_MBXACC_DPCNT_INDX
];
4333 mbx_word_cnt
= idiag
.cmd
.data
[IDIAG_MBXACC_WDCNT_INDX
];
4335 len
+= snprintf(pbuffer
+len
, LPFC_MBX_ACC_BUF_SIZE
-len
,
4336 "mbx_dump_map: 0x%08x\n", mbx_dump_map
);
4337 len
+= snprintf(pbuffer
+len
, LPFC_MBX_ACC_BUF_SIZE
-len
,
4338 "mbx_dump_cnt: %04d\n", mbx_dump_cnt
);
4339 len
+= snprintf(pbuffer
+len
, LPFC_MBX_ACC_BUF_SIZE
-len
,
4340 "mbx_word_cnt: %04d\n", mbx_word_cnt
);
4341 len
+= snprintf(pbuffer
+len
, LPFC_MBX_ACC_BUF_SIZE
-len
,
4342 "mbx_mbox_cmd: 0x%02x\n", mbx_mbox_cmd
);
4348 * lpfc_idiag_mbxacc_read - idiag debugfs read on mailbox access
4349 * @file: The file pointer to read from.
4350 * @buf: The buffer to copy the data to.
4351 * @nbytes: The number of bytes to read.
4352 * @ppos: The position in the file to start reading from.
4355 * This routine reads data from the @phba driver mailbox access debugfs setup
4359 * This function returns the amount of data that was read (this could be less
4360 * than @nbytes if the end of the file was reached) or a negative error value.
4363 lpfc_idiag_mbxacc_read(struct file
*file
, char __user
*buf
, size_t nbytes
,
4366 struct lpfc_debug
*debug
= file
->private_data
;
4367 struct lpfc_hba
*phba
= (struct lpfc_hba
*)debug
->i_private
;
4371 /* This is a user read operation */
4372 debug
->op
= LPFC_IDIAG_OP_RD
;
4375 debug
->buffer
= kmalloc(LPFC_MBX_ACC_BUF_SIZE
, GFP_KERNEL
);
4378 pbuffer
= debug
->buffer
;
4383 if ((idiag
.cmd
.opcode
!= LPFC_IDIAG_CMD_MBXACC_DP
) &&
4384 (idiag
.cmd
.opcode
!= LPFC_IDIAG_BSG_MBXACC_DP
))
4387 len
= lpfc_idiag_mbxacc_get_setup(phba
, pbuffer
);
4389 return simple_read_from_buffer(buf
, nbytes
, ppos
, pbuffer
, len
);
4393 * lpfc_idiag_mbxacc_write - Syntax check and set up idiag mbxacc commands
4394 * @file: The file pointer to read from.
4395 * @buf: The buffer to copy the user data from.
4396 * @nbytes: The number of bytes to get.
4397 * @ppos: The position in the file to start reading from.
4399 * This routine get the debugfs idiag command struct from user space and then
4400 * perform the syntax check for driver mailbox command (dump) and sets up the
4401 * necessary states in the idiag command struct accordingly.
4403 * It returns the @nbytges passing in from debugfs user space when successful.
4404 * In case of error conditions, it returns proper error code back to the user
4408 lpfc_idiag_mbxacc_write(struct file
*file
, const char __user
*buf
,
4409 size_t nbytes
, loff_t
*ppos
)
4411 struct lpfc_debug
*debug
= file
->private_data
;
4412 uint32_t mbx_dump_map
, mbx_dump_cnt
, mbx_word_cnt
, mbx_mbox_cmd
;
4415 /* This is a user write operation */
4416 debug
->op
= LPFC_IDIAG_OP_WR
;
4418 rc
= lpfc_idiag_cmd_get(buf
, nbytes
, &idiag
.cmd
);
4422 /* Sanity check on command line arguments */
4423 mbx_mbox_cmd
= idiag
.cmd
.data
[IDIAG_MBXACC_MBCMD_INDX
];
4424 mbx_dump_map
= idiag
.cmd
.data
[IDIAG_MBXACC_DPMAP_INDX
];
4425 mbx_dump_cnt
= idiag
.cmd
.data
[IDIAG_MBXACC_DPCNT_INDX
];
4426 mbx_word_cnt
= idiag
.cmd
.data
[IDIAG_MBXACC_WDCNT_INDX
];
4428 if (idiag
.cmd
.opcode
== LPFC_IDIAG_CMD_MBXACC_DP
) {
4429 if (!(mbx_dump_map
& LPFC_MBX_DMP_MBX_ALL
))
4431 if ((mbx_dump_map
& ~LPFC_MBX_DMP_MBX_ALL
) &&
4432 (mbx_dump_map
!= LPFC_MBX_DMP_ALL
))
4434 if (mbx_word_cnt
> sizeof(MAILBOX_t
))
4436 } else if (idiag
.cmd
.opcode
== LPFC_IDIAG_BSG_MBXACC_DP
) {
4437 if (!(mbx_dump_map
& LPFC_BSG_DMP_MBX_ALL
))
4439 if ((mbx_dump_map
& ~LPFC_BSG_DMP_MBX_ALL
) &&
4440 (mbx_dump_map
!= LPFC_MBX_DMP_ALL
))
4442 if (mbx_word_cnt
> (BSG_MBOX_SIZE
)/4)
4444 if (mbx_mbox_cmd
!= 0x9b)
4449 if (mbx_word_cnt
== 0)
4451 if (rc
!= LPFC_MBX_DMP_ARG
)
4453 if (mbx_mbox_cmd
& ~0xff)
4456 /* condition for stop mailbox dump */
4457 if (mbx_dump_cnt
== 0)
4463 /* Clean out command structure on command error out */
4464 memset(&idiag
, 0, sizeof(idiag
));
4468 /* Clean out command structure on command error out */
4469 memset(&idiag
, 0, sizeof(idiag
));
4474 * lpfc_idiag_extacc_avail_get - get the available extents information
4475 * @phba: pointer to lpfc hba data structure.
4476 * @pbuffer: pointer to internal buffer.
4477 * @len: length into the internal buffer data has been copied.
4480 * This routine is to get the available extent information.
4483 * overall lenth of the data read into the internal buffer.
4486 lpfc_idiag_extacc_avail_get(struct lpfc_hba
*phba
, char *pbuffer
, int len
)
4488 uint16_t ext_cnt
, ext_size
;
4490 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4491 "\nAvailable Extents Information:\n");
4493 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4494 "\tPort Available VPI extents: ");
4495 lpfc_sli4_get_avail_extnt_rsrc(phba
, LPFC_RSC_TYPE_FCOE_VPI
,
4496 &ext_cnt
, &ext_size
);
4497 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4498 "Count %3d, Size %3d\n", ext_cnt
, ext_size
);
4500 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4501 "\tPort Available VFI extents: ");
4502 lpfc_sli4_get_avail_extnt_rsrc(phba
, LPFC_RSC_TYPE_FCOE_VFI
,
4503 &ext_cnt
, &ext_size
);
4504 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4505 "Count %3d, Size %3d\n", ext_cnt
, ext_size
);
4507 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4508 "\tPort Available RPI extents: ");
4509 lpfc_sli4_get_avail_extnt_rsrc(phba
, LPFC_RSC_TYPE_FCOE_RPI
,
4510 &ext_cnt
, &ext_size
);
4511 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4512 "Count %3d, Size %3d\n", ext_cnt
, ext_size
);
4514 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4515 "\tPort Available XRI extents: ");
4516 lpfc_sli4_get_avail_extnt_rsrc(phba
, LPFC_RSC_TYPE_FCOE_XRI
,
4517 &ext_cnt
, &ext_size
);
4518 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4519 "Count %3d, Size %3d\n", ext_cnt
, ext_size
);
4525 * lpfc_idiag_extacc_alloc_get - get the allocated extents information
4526 * @phba: pointer to lpfc hba data structure.
4527 * @pbuffer: pointer to internal buffer.
4528 * @len: length into the internal buffer data has been copied.
4531 * This routine is to get the allocated extent information.
4534 * overall lenth of the data read into the internal buffer.
4537 lpfc_idiag_extacc_alloc_get(struct lpfc_hba
*phba
, char *pbuffer
, int len
)
4539 uint16_t ext_cnt
, ext_size
;
4542 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4543 "\nAllocated Extents Information:\n");
4545 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4546 "\tHost Allocated VPI extents: ");
4547 rc
= lpfc_sli4_get_allocated_extnts(phba
, LPFC_RSC_TYPE_FCOE_VPI
,
4548 &ext_cnt
, &ext_size
);
4550 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4551 "Port %d Extent %3d, Size %3d\n",
4552 phba
->brd_no
, ext_cnt
, ext_size
);
4554 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4557 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4558 "\tHost Allocated VFI extents: ");
4559 rc
= lpfc_sli4_get_allocated_extnts(phba
, LPFC_RSC_TYPE_FCOE_VFI
,
4560 &ext_cnt
, &ext_size
);
4562 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4563 "Port %d Extent %3d, Size %3d\n",
4564 phba
->brd_no
, ext_cnt
, ext_size
);
4566 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4569 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4570 "\tHost Allocated RPI extents: ");
4571 rc
= lpfc_sli4_get_allocated_extnts(phba
, LPFC_RSC_TYPE_FCOE_RPI
,
4572 &ext_cnt
, &ext_size
);
4574 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4575 "Port %d Extent %3d, Size %3d\n",
4576 phba
->brd_no
, ext_cnt
, ext_size
);
4578 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4581 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4582 "\tHost Allocated XRI extents: ");
4583 rc
= lpfc_sli4_get_allocated_extnts(phba
, LPFC_RSC_TYPE_FCOE_XRI
,
4584 &ext_cnt
, &ext_size
);
4586 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4587 "Port %d Extent %3d, Size %3d\n",
4588 phba
->brd_no
, ext_cnt
, ext_size
);
4590 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4597 * lpfc_idiag_extacc_drivr_get - get driver extent information
4598 * @phba: pointer to lpfc hba data structure.
4599 * @pbuffer: pointer to internal buffer.
4600 * @len: length into the internal buffer data has been copied.
4603 * This routine is to get the driver extent information.
4606 * overall lenth of the data read into the internal buffer.
4609 lpfc_idiag_extacc_drivr_get(struct lpfc_hba
*phba
, char *pbuffer
, int len
)
4611 struct lpfc_rsrc_blks
*rsrc_blks
;
4614 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4615 "\nDriver Extents Information:\n");
4617 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4618 "\tVPI extents:\n");
4620 list_for_each_entry(rsrc_blks
, &phba
->lpfc_vpi_blk_list
, list
) {
4621 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4622 "\t\tBlock %3d: Start %4d, Count %4d\n",
4623 index
, rsrc_blks
->rsrc_start
,
4624 rsrc_blks
->rsrc_size
);
4627 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4628 "\tVFI extents:\n");
4630 list_for_each_entry(rsrc_blks
, &phba
->sli4_hba
.lpfc_vfi_blk_list
,
4632 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4633 "\t\tBlock %3d: Start %4d, Count %4d\n",
4634 index
, rsrc_blks
->rsrc_start
,
4635 rsrc_blks
->rsrc_size
);
4639 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4640 "\tRPI extents:\n");
4642 list_for_each_entry(rsrc_blks
, &phba
->sli4_hba
.lpfc_rpi_blk_list
,
4644 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4645 "\t\tBlock %3d: Start %4d, Count %4d\n",
4646 index
, rsrc_blks
->rsrc_start
,
4647 rsrc_blks
->rsrc_size
);
4651 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4652 "\tXRI extents:\n");
4654 list_for_each_entry(rsrc_blks
, &phba
->sli4_hba
.lpfc_xri_blk_list
,
4656 len
+= snprintf(pbuffer
+len
, LPFC_EXT_ACC_BUF_SIZE
-len
,
4657 "\t\tBlock %3d: Start %4d, Count %4d\n",
4658 index
, rsrc_blks
->rsrc_start
,
4659 rsrc_blks
->rsrc_size
);
4667 * lpfc_idiag_extacc_write - Syntax check and set up idiag extacc commands
4668 * @file: The file pointer to read from.
4669 * @buf: The buffer to copy the user data from.
4670 * @nbytes: The number of bytes to get.
4671 * @ppos: The position in the file to start reading from.
4673 * This routine get the debugfs idiag command struct from user space and then
4674 * perform the syntax check for extent information access commands and sets
4675 * up the necessary states in the idiag command struct accordingly.
4677 * It returns the @nbytges passing in from debugfs user space when successful.
4678 * In case of error conditions, it returns proper error code back to the user
4682 lpfc_idiag_extacc_write(struct file
*file
, const char __user
*buf
,
4683 size_t nbytes
, loff_t
*ppos
)
4685 struct lpfc_debug
*debug
= file
->private_data
;
4689 /* This is a user write operation */
4690 debug
->op
= LPFC_IDIAG_OP_WR
;
4692 rc
= lpfc_idiag_cmd_get(buf
, nbytes
, &idiag
.cmd
);
4696 ext_map
= idiag
.cmd
.data
[IDIAG_EXTACC_EXMAP_INDX
];
4698 if (idiag
.cmd
.opcode
!= LPFC_IDIAG_CMD_EXTACC_RD
)
4700 if (rc
!= LPFC_EXT_ACC_CMD_ARG
)
4702 if (!(ext_map
& LPFC_EXT_ACC_ALL
))
4707 /* Clean out command structure on command error out */
4708 memset(&idiag
, 0, sizeof(idiag
));
4713 * lpfc_idiag_extacc_read - idiag debugfs read access to extent information
4714 * @file: The file pointer to read from.
4715 * @buf: The buffer to copy the data to.
4716 * @nbytes: The number of bytes to read.
4717 * @ppos: The position in the file to start reading from.
4720 * This routine reads data from the proper extent information according to
4721 * the idiag command, and copies to user @buf.
4724 * This function returns the amount of data that was read (this could be less
4725 * than @nbytes if the end of the file was reached) or a negative error value.
4728 lpfc_idiag_extacc_read(struct file
*file
, char __user
*buf
, size_t nbytes
,
4731 struct lpfc_debug
*debug
= file
->private_data
;
4732 struct lpfc_hba
*phba
= (struct lpfc_hba
*)debug
->i_private
;
4737 /* This is a user read operation */
4738 debug
->op
= LPFC_IDIAG_OP_RD
;
4741 debug
->buffer
= kmalloc(LPFC_EXT_ACC_BUF_SIZE
, GFP_KERNEL
);
4744 pbuffer
= debug
->buffer
;
4747 if (idiag
.cmd
.opcode
!= LPFC_IDIAG_CMD_EXTACC_RD
)
4750 ext_map
= idiag
.cmd
.data
[IDIAG_EXTACC_EXMAP_INDX
];
4751 if (ext_map
& LPFC_EXT_ACC_AVAIL
)
4752 len
= lpfc_idiag_extacc_avail_get(phba
, pbuffer
, len
);
4753 if (ext_map
& LPFC_EXT_ACC_ALLOC
)
4754 len
= lpfc_idiag_extacc_alloc_get(phba
, pbuffer
, len
);
4755 if (ext_map
& LPFC_EXT_ACC_DRIVR
)
4756 len
= lpfc_idiag_extacc_drivr_get(phba
, pbuffer
, len
);
4758 return simple_read_from_buffer(buf
, nbytes
, ppos
, pbuffer
, len
);
4761 #undef lpfc_debugfs_op_disc_trc
4762 static const struct file_operations lpfc_debugfs_op_disc_trc
= {
4763 .owner
= THIS_MODULE
,
4764 .open
= lpfc_debugfs_disc_trc_open
,
4765 .llseek
= lpfc_debugfs_lseek
,
4766 .read
= lpfc_debugfs_read
,
4767 .release
= lpfc_debugfs_release
,
4770 #undef lpfc_debugfs_op_nodelist
4771 static const struct file_operations lpfc_debugfs_op_nodelist
= {
4772 .owner
= THIS_MODULE
,
4773 .open
= lpfc_debugfs_nodelist_open
,
4774 .llseek
= lpfc_debugfs_lseek
,
4775 .read
= lpfc_debugfs_read
,
4776 .release
= lpfc_debugfs_release
,
4779 #undef lpfc_debugfs_op_hbqinfo
4780 static const struct file_operations lpfc_debugfs_op_hbqinfo
= {
4781 .owner
= THIS_MODULE
,
4782 .open
= lpfc_debugfs_hbqinfo_open
,
4783 .llseek
= lpfc_debugfs_lseek
,
4784 .read
= lpfc_debugfs_read
,
4785 .release
= lpfc_debugfs_release
,
4788 #undef lpfc_debugfs_op_dumpHBASlim
4789 static const struct file_operations lpfc_debugfs_op_dumpHBASlim
= {
4790 .owner
= THIS_MODULE
,
4791 .open
= lpfc_debugfs_dumpHBASlim_open
,
4792 .llseek
= lpfc_debugfs_lseek
,
4793 .read
= lpfc_debugfs_read
,
4794 .release
= lpfc_debugfs_release
,
4797 #undef lpfc_debugfs_op_dumpHostSlim
4798 static const struct file_operations lpfc_debugfs_op_dumpHostSlim
= {
4799 .owner
= THIS_MODULE
,
4800 .open
= lpfc_debugfs_dumpHostSlim_open
,
4801 .llseek
= lpfc_debugfs_lseek
,
4802 .read
= lpfc_debugfs_read
,
4803 .release
= lpfc_debugfs_release
,
4806 #undef lpfc_debugfs_op_nvmestat
4807 static const struct file_operations lpfc_debugfs_op_nvmestat
= {
4808 .owner
= THIS_MODULE
,
4809 .open
= lpfc_debugfs_nvmestat_open
,
4810 .llseek
= lpfc_debugfs_lseek
,
4811 .read
= lpfc_debugfs_read
,
4812 .write
= lpfc_debugfs_nvmestat_write
,
4813 .release
= lpfc_debugfs_release
,
4816 #undef lpfc_debugfs_op_nvmektime
4817 static const struct file_operations lpfc_debugfs_op_nvmektime
= {
4818 .owner
= THIS_MODULE
,
4819 .open
= lpfc_debugfs_nvmektime_open
,
4820 .llseek
= lpfc_debugfs_lseek
,
4821 .read
= lpfc_debugfs_read
,
4822 .write
= lpfc_debugfs_nvmektime_write
,
4823 .release
= lpfc_debugfs_release
,
4826 #undef lpfc_debugfs_op_nvmeio_trc
4827 static const struct file_operations lpfc_debugfs_op_nvmeio_trc
= {
4828 .owner
= THIS_MODULE
,
4829 .open
= lpfc_debugfs_nvmeio_trc_open
,
4830 .llseek
= lpfc_debugfs_lseek
,
4831 .read
= lpfc_debugfs_read
,
4832 .write
= lpfc_debugfs_nvmeio_trc_write
,
4833 .release
= lpfc_debugfs_release
,
4836 #undef lpfc_debugfs_op_cpucheck
4837 static const struct file_operations lpfc_debugfs_op_cpucheck
= {
4838 .owner
= THIS_MODULE
,
4839 .open
= lpfc_debugfs_cpucheck_open
,
4840 .llseek
= lpfc_debugfs_lseek
,
4841 .read
= lpfc_debugfs_read
,
4842 .write
= lpfc_debugfs_cpucheck_write
,
4843 .release
= lpfc_debugfs_release
,
4846 #undef lpfc_debugfs_op_dumpData
4847 static const struct file_operations lpfc_debugfs_op_dumpData
= {
4848 .owner
= THIS_MODULE
,
4849 .open
= lpfc_debugfs_dumpData_open
,
4850 .llseek
= lpfc_debugfs_lseek
,
4851 .read
= lpfc_debugfs_read
,
4852 .write
= lpfc_debugfs_dumpDataDif_write
,
4853 .release
= lpfc_debugfs_dumpDataDif_release
,
4856 #undef lpfc_debugfs_op_dumpDif
4857 static const struct file_operations lpfc_debugfs_op_dumpDif
= {
4858 .owner
= THIS_MODULE
,
4859 .open
= lpfc_debugfs_dumpDif_open
,
4860 .llseek
= lpfc_debugfs_lseek
,
4861 .read
= lpfc_debugfs_read
,
4862 .write
= lpfc_debugfs_dumpDataDif_write
,
4863 .release
= lpfc_debugfs_dumpDataDif_release
,
4866 #undef lpfc_debugfs_op_dif_err
4867 static const struct file_operations lpfc_debugfs_op_dif_err
= {
4868 .owner
= THIS_MODULE
,
4869 .open
= simple_open
,
4870 .llseek
= lpfc_debugfs_lseek
,
4871 .read
= lpfc_debugfs_dif_err_read
,
4872 .write
= lpfc_debugfs_dif_err_write
,
4873 .release
= lpfc_debugfs_dif_err_release
,
4876 #undef lpfc_debugfs_op_slow_ring_trc
4877 static const struct file_operations lpfc_debugfs_op_slow_ring_trc
= {
4878 .owner
= THIS_MODULE
,
4879 .open
= lpfc_debugfs_slow_ring_trc_open
,
4880 .llseek
= lpfc_debugfs_lseek
,
4881 .read
= lpfc_debugfs_read
,
4882 .release
= lpfc_debugfs_release
,
4885 static struct dentry
*lpfc_debugfs_root
= NULL
;
4886 static atomic_t lpfc_debugfs_hba_count
;
4889 * File operations for the iDiag debugfs
4891 #undef lpfc_idiag_op_pciCfg
4892 static const struct file_operations lpfc_idiag_op_pciCfg
= {
4893 .owner
= THIS_MODULE
,
4894 .open
= lpfc_idiag_open
,
4895 .llseek
= lpfc_debugfs_lseek
,
4896 .read
= lpfc_idiag_pcicfg_read
,
4897 .write
= lpfc_idiag_pcicfg_write
,
4898 .release
= lpfc_idiag_cmd_release
,
4901 #undef lpfc_idiag_op_barAcc
4902 static const struct file_operations lpfc_idiag_op_barAcc
= {
4903 .owner
= THIS_MODULE
,
4904 .open
= lpfc_idiag_open
,
4905 .llseek
= lpfc_debugfs_lseek
,
4906 .read
= lpfc_idiag_baracc_read
,
4907 .write
= lpfc_idiag_baracc_write
,
4908 .release
= lpfc_idiag_cmd_release
,
4911 #undef lpfc_idiag_op_queInfo
4912 static const struct file_operations lpfc_idiag_op_queInfo
= {
4913 .owner
= THIS_MODULE
,
4914 .open
= lpfc_idiag_open
,
4915 .read
= lpfc_idiag_queinfo_read
,
4916 .release
= lpfc_idiag_release
,
4919 #undef lpfc_idiag_op_queAcc
4920 static const struct file_operations lpfc_idiag_op_queAcc
= {
4921 .owner
= THIS_MODULE
,
4922 .open
= lpfc_idiag_open
,
4923 .llseek
= lpfc_debugfs_lseek
,
4924 .read
= lpfc_idiag_queacc_read
,
4925 .write
= lpfc_idiag_queacc_write
,
4926 .release
= lpfc_idiag_cmd_release
,
4929 #undef lpfc_idiag_op_drbAcc
4930 static const struct file_operations lpfc_idiag_op_drbAcc
= {
4931 .owner
= THIS_MODULE
,
4932 .open
= lpfc_idiag_open
,
4933 .llseek
= lpfc_debugfs_lseek
,
4934 .read
= lpfc_idiag_drbacc_read
,
4935 .write
= lpfc_idiag_drbacc_write
,
4936 .release
= lpfc_idiag_cmd_release
,
4939 #undef lpfc_idiag_op_ctlAcc
4940 static const struct file_operations lpfc_idiag_op_ctlAcc
= {
4941 .owner
= THIS_MODULE
,
4942 .open
= lpfc_idiag_open
,
4943 .llseek
= lpfc_debugfs_lseek
,
4944 .read
= lpfc_idiag_ctlacc_read
,
4945 .write
= lpfc_idiag_ctlacc_write
,
4946 .release
= lpfc_idiag_cmd_release
,
4949 #undef lpfc_idiag_op_mbxAcc
4950 static const struct file_operations lpfc_idiag_op_mbxAcc
= {
4951 .owner
= THIS_MODULE
,
4952 .open
= lpfc_idiag_open
,
4953 .llseek
= lpfc_debugfs_lseek
,
4954 .read
= lpfc_idiag_mbxacc_read
,
4955 .write
= lpfc_idiag_mbxacc_write
,
4956 .release
= lpfc_idiag_cmd_release
,
4959 #undef lpfc_idiag_op_extAcc
4960 static const struct file_operations lpfc_idiag_op_extAcc
= {
4961 .owner
= THIS_MODULE
,
4962 .open
= lpfc_idiag_open
,
4963 .llseek
= lpfc_debugfs_lseek
,
4964 .read
= lpfc_idiag_extacc_read
,
4965 .write
= lpfc_idiag_extacc_write
,
4966 .release
= lpfc_idiag_cmd_release
,
4971 /* lpfc_idiag_mbxacc_dump_bsg_mbox - idiag debugfs dump bsg mailbox command
4972 * @phba: Pointer to HBA context object.
4973 * @dmabuf: Pointer to a DMA buffer descriptor.
4976 * This routine dump a bsg pass-through non-embedded mailbox command with
4980 lpfc_idiag_mbxacc_dump_bsg_mbox(struct lpfc_hba
*phba
, enum nemb_type nemb_tp
,
4981 enum mbox_type mbox_tp
, enum dma_type dma_tp
,
4982 enum sta_type sta_tp
,
4983 struct lpfc_dmabuf
*dmabuf
, uint32_t ext_buf
)
4985 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
4986 uint32_t *mbx_mbox_cmd
, *mbx_dump_map
, *mbx_dump_cnt
, *mbx_word_cnt
;
4987 char line_buf
[LPFC_MBX_ACC_LBUF_SZ
];
4989 uint32_t do_dump
= 0;
4993 if (idiag
.cmd
.opcode
!= LPFC_IDIAG_BSG_MBXACC_DP
)
4996 mbx_mbox_cmd
= &idiag
.cmd
.data
[IDIAG_MBXACC_MBCMD_INDX
];
4997 mbx_dump_map
= &idiag
.cmd
.data
[IDIAG_MBXACC_DPMAP_INDX
];
4998 mbx_dump_cnt
= &idiag
.cmd
.data
[IDIAG_MBXACC_DPCNT_INDX
];
4999 mbx_word_cnt
= &idiag
.cmd
.data
[IDIAG_MBXACC_WDCNT_INDX
];
5001 if (!(*mbx_dump_map
& LPFC_MBX_DMP_ALL
) ||
5002 (*mbx_dump_cnt
== 0) ||
5003 (*mbx_word_cnt
== 0))
5006 if (*mbx_mbox_cmd
!= 0x9B)
5009 if ((mbox_tp
== mbox_rd
) && (dma_tp
== dma_mbox
)) {
5010 if (*mbx_dump_map
& LPFC_BSG_DMP_MBX_RD_MBX
) {
5011 do_dump
|= LPFC_BSG_DMP_MBX_RD_MBX
;
5012 pr_err("\nRead mbox command (x%x), "
5013 "nemb:0x%x, extbuf_cnt:%d:\n",
5014 sta_tp
, nemb_tp
, ext_buf
);
5017 if ((mbox_tp
== mbox_rd
) && (dma_tp
== dma_ebuf
)) {
5018 if (*mbx_dump_map
& LPFC_BSG_DMP_MBX_RD_BUF
) {
5019 do_dump
|= LPFC_BSG_DMP_MBX_RD_BUF
;
5020 pr_err("\nRead mbox buffer (x%x), "
5021 "nemb:0x%x, extbuf_seq:%d:\n",
5022 sta_tp
, nemb_tp
, ext_buf
);
5025 if ((mbox_tp
== mbox_wr
) && (dma_tp
== dma_mbox
)) {
5026 if (*mbx_dump_map
& LPFC_BSG_DMP_MBX_WR_MBX
) {
5027 do_dump
|= LPFC_BSG_DMP_MBX_WR_MBX
;
5028 pr_err("\nWrite mbox command (x%x), "
5029 "nemb:0x%x, extbuf_cnt:%d:\n",
5030 sta_tp
, nemb_tp
, ext_buf
);
5033 if ((mbox_tp
== mbox_wr
) && (dma_tp
== dma_ebuf
)) {
5034 if (*mbx_dump_map
& LPFC_BSG_DMP_MBX_WR_BUF
) {
5035 do_dump
|= LPFC_BSG_DMP_MBX_WR_BUF
;
5036 pr_err("\nWrite mbox buffer (x%x), "
5037 "nemb:0x%x, extbuf_seq:%d:\n",
5038 sta_tp
, nemb_tp
, ext_buf
);
5042 /* dump buffer content */
5044 pword
= (uint32_t *)dmabuf
->virt
;
5045 for (i
= 0; i
< *mbx_word_cnt
; i
++) {
5048 pr_err("%s\n", line_buf
);
5050 len
+= snprintf(line_buf
+len
,
5051 LPFC_MBX_ACC_LBUF_SZ
-len
,
5054 len
+= snprintf(line_buf
+len
, LPFC_MBX_ACC_LBUF_SZ
-len
,
5055 "%08x ", (uint32_t)*pword
);
5059 pr_err("%s\n", line_buf
);
5063 /* Clean out command structure on reaching dump count */
5064 if (*mbx_dump_cnt
== 0)
5065 memset(&idiag
, 0, sizeof(idiag
));
5070 /* lpfc_idiag_mbxacc_dump_issue_mbox - idiag debugfs dump issue mailbox command
5071 * @phba: Pointer to HBA context object.
5072 * @dmabuf: Pointer to a DMA buffer descriptor.
5075 * This routine dump a pass-through non-embedded mailbox command from issue
5079 lpfc_idiag_mbxacc_dump_issue_mbox(struct lpfc_hba
*phba
, MAILBOX_t
*pmbox
)
5081 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
5082 uint32_t *mbx_dump_map
, *mbx_dump_cnt
, *mbx_word_cnt
, *mbx_mbox_cmd
;
5083 char line_buf
[LPFC_MBX_ACC_LBUF_SZ
];
5089 if (idiag
.cmd
.opcode
!= LPFC_IDIAG_CMD_MBXACC_DP
)
5092 mbx_mbox_cmd
= &idiag
.cmd
.data
[IDIAG_MBXACC_MBCMD_INDX
];
5093 mbx_dump_map
= &idiag
.cmd
.data
[IDIAG_MBXACC_DPMAP_INDX
];
5094 mbx_dump_cnt
= &idiag
.cmd
.data
[IDIAG_MBXACC_DPCNT_INDX
];
5095 mbx_word_cnt
= &idiag
.cmd
.data
[IDIAG_MBXACC_WDCNT_INDX
];
5097 if (!(*mbx_dump_map
& LPFC_MBX_DMP_MBX_ALL
) ||
5098 (*mbx_dump_cnt
== 0) ||
5099 (*mbx_word_cnt
== 0))
5102 if ((*mbx_mbox_cmd
!= LPFC_MBX_ALL_CMD
) &&
5103 (*mbx_mbox_cmd
!= pmbox
->mbxCommand
))
5106 /* dump buffer content */
5107 if (*mbx_dump_map
& LPFC_MBX_DMP_MBX_WORD
) {
5108 pr_err("Mailbox command:0x%x dump by word:\n",
5110 pword
= (uint32_t *)pmbox
;
5111 for (i
= 0; i
< *mbx_word_cnt
; i
++) {
5114 pr_err("%s\n", line_buf
);
5116 memset(line_buf
, 0, LPFC_MBX_ACC_LBUF_SZ
);
5117 len
+= snprintf(line_buf
+len
,
5118 LPFC_MBX_ACC_LBUF_SZ
-len
,
5121 len
+= snprintf(line_buf
+len
, LPFC_MBX_ACC_LBUF_SZ
-len
,
5123 ((uint32_t)*pword
) & 0xffffffff);
5127 pr_err("%s\n", line_buf
);
5130 if (*mbx_dump_map
& LPFC_MBX_DMP_MBX_BYTE
) {
5131 pr_err("Mailbox command:0x%x dump by byte:\n",
5133 pbyte
= (uint8_t *)pmbox
;
5134 for (i
= 0; i
< *mbx_word_cnt
; i
++) {
5137 pr_err("%s\n", line_buf
);
5139 memset(line_buf
, 0, LPFC_MBX_ACC_LBUF_SZ
);
5140 len
+= snprintf(line_buf
+len
,
5141 LPFC_MBX_ACC_LBUF_SZ
-len
,
5144 for (j
= 0; j
< 4; j
++) {
5145 len
+= snprintf(line_buf
+len
,
5146 LPFC_MBX_ACC_LBUF_SZ
-len
,
5148 ((uint8_t)*pbyte
) & 0xff);
5151 len
+= snprintf(line_buf
+len
,
5152 LPFC_MBX_ACC_LBUF_SZ
-len
, " ");
5155 pr_err("%s\n", line_buf
);
5160 /* Clean out command structure on reaching dump count */
5161 if (*mbx_dump_cnt
== 0)
5162 memset(&idiag
, 0, sizeof(idiag
));
5168 * lpfc_debugfs_initialize - Initialize debugfs for a vport
5169 * @vport: The vport pointer to initialize.
5172 * When Debugfs is configured this routine sets up the lpfc debugfs file system.
5173 * If not already created, this routine will create the lpfc directory, and
5174 * lpfcX directory (for this HBA), and vportX directory for this vport. It will
5175 * also create each file used to access lpfc specific debugfs information.
5178 lpfc_debugfs_initialize(struct lpfc_vport
*vport
)
5180 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
5181 struct lpfc_hba
*phba
= vport
->phba
;
5184 bool pport_setup
= false;
5186 if (!lpfc_debugfs_enable
)
5189 /* Setup lpfc root directory */
5190 if (!lpfc_debugfs_root
) {
5191 lpfc_debugfs_root
= debugfs_create_dir("lpfc", NULL
);
5192 atomic_set(&lpfc_debugfs_hba_count
, 0);
5193 if (!lpfc_debugfs_root
) {
5194 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5195 "0408 Cannot create debugfs root\n");
5199 if (!lpfc_debugfs_start_time
)
5200 lpfc_debugfs_start_time
= jiffies
;
5202 /* Setup funcX directory for specific HBA PCI function */
5203 snprintf(name
, sizeof(name
), "fn%d", phba
->brd_no
);
5204 if (!phba
->hba_debugfs_root
) {
5206 phba
->hba_debugfs_root
=
5207 debugfs_create_dir(name
, lpfc_debugfs_root
);
5208 if (!phba
->hba_debugfs_root
) {
5209 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5210 "0412 Cannot create debugfs hba\n");
5213 atomic_inc(&lpfc_debugfs_hba_count
);
5214 atomic_set(&phba
->debugfs_vport_count
, 0);
5217 snprintf(name
, sizeof(name
), "hbqinfo");
5218 phba
->debug_hbqinfo
=
5219 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5220 phba
->hba_debugfs_root
,
5221 phba
, &lpfc_debugfs_op_hbqinfo
);
5222 if (!phba
->debug_hbqinfo
) {
5223 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5224 "0411 Cannot create debugfs hbqinfo\n");
5228 /* Setup dumpHBASlim */
5229 if (phba
->sli_rev
< LPFC_SLI_REV4
) {
5230 snprintf(name
, sizeof(name
), "dumpHBASlim");
5231 phba
->debug_dumpHBASlim
=
5232 debugfs_create_file(name
,
5233 S_IFREG
|S_IRUGO
|S_IWUSR
,
5234 phba
->hba_debugfs_root
,
5235 phba
, &lpfc_debugfs_op_dumpHBASlim
);
5236 if (!phba
->debug_dumpHBASlim
) {
5237 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5238 "0413 Cannot create debugfs "
5243 phba
->debug_dumpHBASlim
= NULL
;
5245 /* Setup dumpHostSlim */
5246 if (phba
->sli_rev
< LPFC_SLI_REV4
) {
5247 snprintf(name
, sizeof(name
), "dumpHostSlim");
5248 phba
->debug_dumpHostSlim
=
5249 debugfs_create_file(name
,
5250 S_IFREG
|S_IRUGO
|S_IWUSR
,
5251 phba
->hba_debugfs_root
,
5252 phba
, &lpfc_debugfs_op_dumpHostSlim
);
5253 if (!phba
->debug_dumpHostSlim
) {
5254 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5255 "0414 Cannot create debugfs "
5260 phba
->debug_dumpHostSlim
= NULL
;
5262 /* Setup dumpData */
5263 snprintf(name
, sizeof(name
), "dumpData");
5264 phba
->debug_dumpData
=
5265 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5266 phba
->hba_debugfs_root
,
5267 phba
, &lpfc_debugfs_op_dumpData
);
5268 if (!phba
->debug_dumpData
) {
5269 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5270 "0800 Cannot create debugfs dumpData\n");
5275 snprintf(name
, sizeof(name
), "dumpDif");
5276 phba
->debug_dumpDif
=
5277 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5278 phba
->hba_debugfs_root
,
5279 phba
, &lpfc_debugfs_op_dumpDif
);
5280 if (!phba
->debug_dumpDif
) {
5281 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5282 "0801 Cannot create debugfs dumpDif\n");
5286 /* Setup DIF Error Injections */
5287 snprintf(name
, sizeof(name
), "InjErrLBA");
5288 phba
->debug_InjErrLBA
=
5289 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5290 phba
->hba_debugfs_root
,
5291 phba
, &lpfc_debugfs_op_dif_err
);
5292 if (!phba
->debug_InjErrLBA
) {
5293 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5294 "0807 Cannot create debugfs InjErrLBA\n");
5297 phba
->lpfc_injerr_lba
= LPFC_INJERR_LBA_OFF
;
5299 snprintf(name
, sizeof(name
), "InjErrNPortID");
5300 phba
->debug_InjErrNPortID
=
5301 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5302 phba
->hba_debugfs_root
,
5303 phba
, &lpfc_debugfs_op_dif_err
);
5304 if (!phba
->debug_InjErrNPortID
) {
5305 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5306 "0809 Cannot create debugfs InjErrNPortID\n");
5310 snprintf(name
, sizeof(name
), "InjErrWWPN");
5311 phba
->debug_InjErrWWPN
=
5312 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5313 phba
->hba_debugfs_root
,
5314 phba
, &lpfc_debugfs_op_dif_err
);
5315 if (!phba
->debug_InjErrWWPN
) {
5316 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5317 "0810 Cannot create debugfs InjErrWWPN\n");
5321 snprintf(name
, sizeof(name
), "writeGuardInjErr");
5322 phba
->debug_writeGuard
=
5323 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5324 phba
->hba_debugfs_root
,
5325 phba
, &lpfc_debugfs_op_dif_err
);
5326 if (!phba
->debug_writeGuard
) {
5327 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5328 "0802 Cannot create debugfs writeGuard\n");
5332 snprintf(name
, sizeof(name
), "writeAppInjErr");
5333 phba
->debug_writeApp
=
5334 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5335 phba
->hba_debugfs_root
,
5336 phba
, &lpfc_debugfs_op_dif_err
);
5337 if (!phba
->debug_writeApp
) {
5338 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5339 "0803 Cannot create debugfs writeApp\n");
5343 snprintf(name
, sizeof(name
), "writeRefInjErr");
5344 phba
->debug_writeRef
=
5345 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5346 phba
->hba_debugfs_root
,
5347 phba
, &lpfc_debugfs_op_dif_err
);
5348 if (!phba
->debug_writeRef
) {
5349 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5350 "0804 Cannot create debugfs writeRef\n");
5354 snprintf(name
, sizeof(name
), "readGuardInjErr");
5355 phba
->debug_readGuard
=
5356 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5357 phba
->hba_debugfs_root
,
5358 phba
, &lpfc_debugfs_op_dif_err
);
5359 if (!phba
->debug_readGuard
) {
5360 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5361 "0808 Cannot create debugfs readGuard\n");
5365 snprintf(name
, sizeof(name
), "readAppInjErr");
5366 phba
->debug_readApp
=
5367 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5368 phba
->hba_debugfs_root
,
5369 phba
, &lpfc_debugfs_op_dif_err
);
5370 if (!phba
->debug_readApp
) {
5371 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5372 "0805 Cannot create debugfs readApp\n");
5376 snprintf(name
, sizeof(name
), "readRefInjErr");
5377 phba
->debug_readRef
=
5378 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5379 phba
->hba_debugfs_root
,
5380 phba
, &lpfc_debugfs_op_dif_err
);
5381 if (!phba
->debug_readRef
) {
5382 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5383 "0806 Cannot create debugfs readApp\n");
5387 /* Setup slow ring trace */
5388 if (lpfc_debugfs_max_slow_ring_trc
) {
5389 num
= lpfc_debugfs_max_slow_ring_trc
- 1;
5390 if (num
& lpfc_debugfs_max_slow_ring_trc
) {
5391 /* Change to be a power of 2 */
5392 num
= lpfc_debugfs_max_slow_ring_trc
;
5398 lpfc_debugfs_max_slow_ring_trc
= (1 << i
);
5399 pr_err("lpfc_debugfs_max_disc_trc changed to "
5400 "%d\n", lpfc_debugfs_max_disc_trc
);
5404 snprintf(name
, sizeof(name
), "slow_ring_trace");
5405 phba
->debug_slow_ring_trc
=
5406 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5407 phba
->hba_debugfs_root
,
5408 phba
, &lpfc_debugfs_op_slow_ring_trc
);
5409 if (!phba
->debug_slow_ring_trc
) {
5410 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5411 "0415 Cannot create debugfs "
5412 "slow_ring_trace\n");
5415 if (!phba
->slow_ring_trc
) {
5416 phba
->slow_ring_trc
= kmalloc(
5417 (sizeof(struct lpfc_debugfs_trc
) *
5418 lpfc_debugfs_max_slow_ring_trc
),
5420 if (!phba
->slow_ring_trc
) {
5421 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5422 "0416 Cannot create debugfs "
5423 "slow_ring buffer\n");
5426 atomic_set(&phba
->slow_ring_trc_cnt
, 0);
5427 memset(phba
->slow_ring_trc
, 0,
5428 (sizeof(struct lpfc_debugfs_trc
) *
5429 lpfc_debugfs_max_slow_ring_trc
));
5432 snprintf(name
, sizeof(name
), "nvmeio_trc");
5433 phba
->debug_nvmeio_trc
=
5434 debugfs_create_file(name
, 0644,
5435 phba
->hba_debugfs_root
,
5436 phba
, &lpfc_debugfs_op_nvmeio_trc
);
5437 if (!phba
->debug_nvmeio_trc
) {
5438 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5439 "0574 No create debugfs nvmeio_trc\n");
5443 atomic_set(&phba
->nvmeio_trc_cnt
, 0);
5444 if (lpfc_debugfs_max_nvmeio_trc
) {
5445 num
= lpfc_debugfs_max_nvmeio_trc
- 1;
5446 if (num
& lpfc_debugfs_max_disc_trc
) {
5447 /* Change to be a power of 2 */
5448 num
= lpfc_debugfs_max_nvmeio_trc
;
5454 lpfc_debugfs_max_nvmeio_trc
= (1 << i
);
5455 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5456 "0575 lpfc_debugfs_max_nvmeio_trc "
5458 lpfc_debugfs_max_nvmeio_trc
);
5460 phba
->nvmeio_trc_size
= lpfc_debugfs_max_nvmeio_trc
;
5462 /* Allocate trace buffer and initialize */
5463 phba
->nvmeio_trc
= kmalloc(
5464 (sizeof(struct lpfc_debugfs_nvmeio_trc
) *
5465 phba
->nvmeio_trc_size
), GFP_KERNEL
);
5467 if (!phba
->nvmeio_trc
) {
5468 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5469 "0576 Cannot create debugfs "
5470 "nvmeio_trc buffer\n");
5473 memset(phba
->nvmeio_trc
, 0,
5474 (sizeof(struct lpfc_debugfs_nvmeio_trc
) *
5475 phba
->nvmeio_trc_size
));
5476 phba
->nvmeio_trc_on
= 1;
5477 phba
->nvmeio_trc_output_idx
= 0;
5478 phba
->nvmeio_trc
= NULL
;
5481 phba
->nvmeio_trc_size
= 0;
5482 phba
->nvmeio_trc_on
= 0;
5483 phba
->nvmeio_trc_output_idx
= 0;
5484 phba
->nvmeio_trc
= NULL
;
5488 snprintf(name
, sizeof(name
), "vport%d", vport
->vpi
);
5489 if (!vport
->vport_debugfs_root
) {
5490 vport
->vport_debugfs_root
=
5491 debugfs_create_dir(name
, phba
->hba_debugfs_root
);
5492 if (!vport
->vport_debugfs_root
) {
5493 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5494 "0417 Can't create debugfs\n");
5497 atomic_inc(&phba
->debugfs_vport_count
);
5500 if (lpfc_debugfs_max_disc_trc
) {
5501 num
= lpfc_debugfs_max_disc_trc
- 1;
5502 if (num
& lpfc_debugfs_max_disc_trc
) {
5503 /* Change to be a power of 2 */
5504 num
= lpfc_debugfs_max_disc_trc
;
5510 lpfc_debugfs_max_disc_trc
= (1 << i
);
5511 pr_err("lpfc_debugfs_max_disc_trc changed to %d\n",
5512 lpfc_debugfs_max_disc_trc
);
5516 vport
->disc_trc
= kzalloc(
5517 (sizeof(struct lpfc_debugfs_trc
) * lpfc_debugfs_max_disc_trc
),
5520 if (!vport
->disc_trc
) {
5521 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5522 "0418 Cannot create debugfs disc trace "
5526 atomic_set(&vport
->disc_trc_cnt
, 0);
5528 snprintf(name
, sizeof(name
), "discovery_trace");
5529 vport
->debug_disc_trc
=
5530 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5531 vport
->vport_debugfs_root
,
5532 vport
, &lpfc_debugfs_op_disc_trc
);
5533 if (!vport
->debug_disc_trc
) {
5534 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5535 "0419 Cannot create debugfs "
5536 "discovery_trace\n");
5539 snprintf(name
, sizeof(name
), "nodelist");
5540 vport
->debug_nodelist
=
5541 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5542 vport
->vport_debugfs_root
,
5543 vport
, &lpfc_debugfs_op_nodelist
);
5544 if (!vport
->debug_nodelist
) {
5545 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5546 "2985 Can't create debugfs nodelist\n");
5550 snprintf(name
, sizeof(name
), "nvmestat");
5551 vport
->debug_nvmestat
=
5552 debugfs_create_file(name
, 0644,
5553 vport
->vport_debugfs_root
,
5554 vport
, &lpfc_debugfs_op_nvmestat
);
5555 if (!vport
->debug_nvmestat
) {
5556 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5557 "0811 Cannot create debugfs nvmestat\n");
5561 snprintf(name
, sizeof(name
), "nvmektime");
5562 vport
->debug_nvmektime
=
5563 debugfs_create_file(name
, 0644,
5564 vport
->vport_debugfs_root
,
5565 vport
, &lpfc_debugfs_op_nvmektime
);
5566 if (!vport
->debug_nvmektime
) {
5567 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5568 "0815 Cannot create debugfs nvmektime\n");
5572 snprintf(name
, sizeof(name
), "cpucheck");
5573 vport
->debug_cpucheck
=
5574 debugfs_create_file(name
, 0644,
5575 vport
->vport_debugfs_root
,
5576 vport
, &lpfc_debugfs_op_cpucheck
);
5577 if (!vport
->debug_cpucheck
) {
5578 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5579 "0819 Cannot create debugfs cpucheck\n");
5584 * The following section is for additional directories/files for the
5592 * iDiag debugfs root entry points for SLI4 device only
5594 if (phba
->sli_rev
< LPFC_SLI_REV4
)
5597 snprintf(name
, sizeof(name
), "iDiag");
5598 if (!phba
->idiag_root
) {
5600 debugfs_create_dir(name
, phba
->hba_debugfs_root
);
5601 if (!phba
->idiag_root
) {
5602 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5603 "2922 Can't create idiag debugfs\n");
5606 /* Initialize iDiag data structure */
5607 memset(&idiag
, 0, sizeof(idiag
));
5610 /* iDiag read PCI config space */
5611 snprintf(name
, sizeof(name
), "pciCfg");
5612 if (!phba
->idiag_pci_cfg
) {
5613 phba
->idiag_pci_cfg
=
5614 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5615 phba
->idiag_root
, phba
, &lpfc_idiag_op_pciCfg
);
5616 if (!phba
->idiag_pci_cfg
) {
5617 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5618 "2923 Can't create idiag debugfs\n");
5621 idiag
.offset
.last_rd
= 0;
5624 /* iDiag PCI BAR access */
5625 snprintf(name
, sizeof(name
), "barAcc");
5626 if (!phba
->idiag_bar_acc
) {
5627 phba
->idiag_bar_acc
=
5628 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5629 phba
->idiag_root
, phba
, &lpfc_idiag_op_barAcc
);
5630 if (!phba
->idiag_bar_acc
) {
5631 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5632 "3056 Can't create idiag debugfs\n");
5635 idiag
.offset
.last_rd
= 0;
5638 /* iDiag get PCI function queue information */
5639 snprintf(name
, sizeof(name
), "queInfo");
5640 if (!phba
->idiag_que_info
) {
5641 phba
->idiag_que_info
=
5642 debugfs_create_file(name
, S_IFREG
|S_IRUGO
,
5643 phba
->idiag_root
, phba
, &lpfc_idiag_op_queInfo
);
5644 if (!phba
->idiag_que_info
) {
5645 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5646 "2924 Can't create idiag debugfs\n");
5651 /* iDiag access PCI function queue */
5652 snprintf(name
, sizeof(name
), "queAcc");
5653 if (!phba
->idiag_que_acc
) {
5654 phba
->idiag_que_acc
=
5655 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5656 phba
->idiag_root
, phba
, &lpfc_idiag_op_queAcc
);
5657 if (!phba
->idiag_que_acc
) {
5658 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5659 "2926 Can't create idiag debugfs\n");
5664 /* iDiag access PCI function doorbell registers */
5665 snprintf(name
, sizeof(name
), "drbAcc");
5666 if (!phba
->idiag_drb_acc
) {
5667 phba
->idiag_drb_acc
=
5668 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5669 phba
->idiag_root
, phba
, &lpfc_idiag_op_drbAcc
);
5670 if (!phba
->idiag_drb_acc
) {
5671 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5672 "2927 Can't create idiag debugfs\n");
5677 /* iDiag access PCI function control registers */
5678 snprintf(name
, sizeof(name
), "ctlAcc");
5679 if (!phba
->idiag_ctl_acc
) {
5680 phba
->idiag_ctl_acc
=
5681 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5682 phba
->idiag_root
, phba
, &lpfc_idiag_op_ctlAcc
);
5683 if (!phba
->idiag_ctl_acc
) {
5684 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5685 "2981 Can't create idiag debugfs\n");
5690 /* iDiag access mbox commands */
5691 snprintf(name
, sizeof(name
), "mbxAcc");
5692 if (!phba
->idiag_mbx_acc
) {
5693 phba
->idiag_mbx_acc
=
5694 debugfs_create_file(name
, S_IFREG
|S_IRUGO
|S_IWUSR
,
5695 phba
->idiag_root
, phba
, &lpfc_idiag_op_mbxAcc
);
5696 if (!phba
->idiag_mbx_acc
) {
5697 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5698 "2980 Can't create idiag debugfs\n");
5703 /* iDiag extents access commands */
5704 if (phba
->sli4_hba
.extents_in_use
) {
5705 snprintf(name
, sizeof(name
), "extAcc");
5706 if (!phba
->idiag_ext_acc
) {
5707 phba
->idiag_ext_acc
=
5708 debugfs_create_file(name
,
5709 S_IFREG
|S_IRUGO
|S_IWUSR
,
5710 phba
->idiag_root
, phba
,
5711 &lpfc_idiag_op_extAcc
);
5712 if (!phba
->idiag_ext_acc
) {
5713 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
5727 * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport
5728 * @vport: The vport pointer to remove from debugfs.
5731 * When Debugfs is configured this routine removes debugfs file system elements
5732 * that are specific to this vport. It also checks to see if there are any
5733 * users left for the debugfs directories associated with the HBA and driver. If
5734 * this is the last user of the HBA directory or driver directory then it will
5735 * remove those from the debugfs infrastructure as well.
5738 lpfc_debugfs_terminate(struct lpfc_vport
*vport
)
5740 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
5741 struct lpfc_hba
*phba
= vport
->phba
;
5743 kfree(vport
->disc_trc
);
5744 vport
->disc_trc
= NULL
;
5746 debugfs_remove(vport
->debug_disc_trc
); /* discovery_trace */
5747 vport
->debug_disc_trc
= NULL
;
5749 debugfs_remove(vport
->debug_nodelist
); /* nodelist */
5750 vport
->debug_nodelist
= NULL
;
5752 debugfs_remove(vport
->debug_nvmestat
); /* nvmestat */
5753 vport
->debug_nvmestat
= NULL
;
5755 debugfs_remove(vport
->debug_nvmektime
); /* nvmektime */
5756 vport
->debug_nvmektime
= NULL
;
5758 debugfs_remove(vport
->debug_cpucheck
); /* cpucheck */
5759 vport
->debug_cpucheck
= NULL
;
5761 if (vport
->vport_debugfs_root
) {
5762 debugfs_remove(vport
->vport_debugfs_root
); /* vportX */
5763 vport
->vport_debugfs_root
= NULL
;
5764 atomic_dec(&phba
->debugfs_vport_count
);
5767 if (atomic_read(&phba
->debugfs_vport_count
) == 0) {
5769 debugfs_remove(phba
->debug_hbqinfo
); /* hbqinfo */
5770 phba
->debug_hbqinfo
= NULL
;
5772 debugfs_remove(phba
->debug_dumpHBASlim
); /* HBASlim */
5773 phba
->debug_dumpHBASlim
= NULL
;
5775 debugfs_remove(phba
->debug_dumpHostSlim
); /* HostSlim */
5776 phba
->debug_dumpHostSlim
= NULL
;
5778 debugfs_remove(phba
->debug_dumpData
); /* dumpData */
5779 phba
->debug_dumpData
= NULL
;
5781 debugfs_remove(phba
->debug_dumpDif
); /* dumpDif */
5782 phba
->debug_dumpDif
= NULL
;
5784 debugfs_remove(phba
->debug_InjErrLBA
); /* InjErrLBA */
5785 phba
->debug_InjErrLBA
= NULL
;
5787 debugfs_remove(phba
->debug_InjErrNPortID
);
5788 phba
->debug_InjErrNPortID
= NULL
;
5790 debugfs_remove(phba
->debug_InjErrWWPN
); /* InjErrWWPN */
5791 phba
->debug_InjErrWWPN
= NULL
;
5793 debugfs_remove(phba
->debug_writeGuard
); /* writeGuard */
5794 phba
->debug_writeGuard
= NULL
;
5796 debugfs_remove(phba
->debug_writeApp
); /* writeApp */
5797 phba
->debug_writeApp
= NULL
;
5799 debugfs_remove(phba
->debug_writeRef
); /* writeRef */
5800 phba
->debug_writeRef
= NULL
;
5802 debugfs_remove(phba
->debug_readGuard
); /* readGuard */
5803 phba
->debug_readGuard
= NULL
;
5805 debugfs_remove(phba
->debug_readApp
); /* readApp */
5806 phba
->debug_readApp
= NULL
;
5808 debugfs_remove(phba
->debug_readRef
); /* readRef */
5809 phba
->debug_readRef
= NULL
;
5811 kfree(phba
->slow_ring_trc
);
5812 phba
->slow_ring_trc
= NULL
;
5814 /* slow_ring_trace */
5815 debugfs_remove(phba
->debug_slow_ring_trc
);
5816 phba
->debug_slow_ring_trc
= NULL
;
5818 debugfs_remove(phba
->debug_nvmeio_trc
);
5819 phba
->debug_nvmeio_trc
= NULL
;
5821 kfree(phba
->nvmeio_trc
);
5822 phba
->nvmeio_trc
= NULL
;
5827 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
5829 debugfs_remove(phba
->idiag_ext_acc
);
5830 phba
->idiag_ext_acc
= NULL
;
5833 debugfs_remove(phba
->idiag_mbx_acc
);
5834 phba
->idiag_mbx_acc
= NULL
;
5837 debugfs_remove(phba
->idiag_ctl_acc
);
5838 phba
->idiag_ctl_acc
= NULL
;
5841 debugfs_remove(phba
->idiag_drb_acc
);
5842 phba
->idiag_drb_acc
= NULL
;
5845 debugfs_remove(phba
->idiag_que_acc
);
5846 phba
->idiag_que_acc
= NULL
;
5849 debugfs_remove(phba
->idiag_que_info
);
5850 phba
->idiag_que_info
= NULL
;
5853 debugfs_remove(phba
->idiag_bar_acc
);
5854 phba
->idiag_bar_acc
= NULL
;
5857 debugfs_remove(phba
->idiag_pci_cfg
);
5858 phba
->idiag_pci_cfg
= NULL
;
5860 /* Finally remove the iDiag debugfs root */
5861 debugfs_remove(phba
->idiag_root
);
5862 phba
->idiag_root
= NULL
;
5865 if (phba
->hba_debugfs_root
) {
5866 debugfs_remove(phba
->hba_debugfs_root
); /* fnX */
5867 phba
->hba_debugfs_root
= NULL
;
5868 atomic_dec(&lpfc_debugfs_hba_count
);
5871 if (atomic_read(&lpfc_debugfs_hba_count
) == 0) {
5872 debugfs_remove(lpfc_debugfs_root
); /* lpfc */
5873 lpfc_debugfs_root
= NULL
;
5881 * Driver debug utility routines outside of debugfs. The debug utility
5882 * routines implemented here is intended to be used in the instrumented
5883 * debug driver for debugging host or port issues.
5887 * lpfc_debug_dump_all_queues - dump all the queues with a hba
5888 * @phba: Pointer to HBA context object.
5890 * This function dumps entries of all the queues asociated with the @phba.
5893 lpfc_debug_dump_all_queues(struct lpfc_hba
*phba
)
5898 * Dump Work Queues (WQs)
5900 lpfc_debug_dump_wq(phba
, DUMP_MBX
, 0);
5901 lpfc_debug_dump_wq(phba
, DUMP_ELS
, 0);
5902 lpfc_debug_dump_wq(phba
, DUMP_NVMELS
, 0);
5904 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++)
5905 lpfc_debug_dump_wq(phba
, DUMP_FCP
, idx
);
5907 for (idx
= 0; idx
< phba
->cfg_nvme_io_channel
; idx
++)
5908 lpfc_debug_dump_wq(phba
, DUMP_NVME
, idx
);
5910 lpfc_debug_dump_hdr_rq(phba
);
5911 lpfc_debug_dump_dat_rq(phba
);
5913 * Dump Complete Queues (CQs)
5915 lpfc_debug_dump_cq(phba
, DUMP_MBX
, 0);
5916 lpfc_debug_dump_cq(phba
, DUMP_ELS
, 0);
5917 lpfc_debug_dump_cq(phba
, DUMP_NVMELS
, 0);
5919 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++)
5920 lpfc_debug_dump_cq(phba
, DUMP_FCP
, idx
);
5922 for (idx
= 0; idx
< phba
->cfg_nvme_io_channel
; idx
++)
5923 lpfc_debug_dump_cq(phba
, DUMP_NVME
, idx
);
5926 * Dump Event Queues (EQs)
5928 for (idx
= 0; idx
< phba
->io_channel_irqs
; idx
++)
5929 lpfc_debug_dump_hba_eq(phba
, idx
);