1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2020 Broadcom. All Rights Reserved. The term *
5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. *
6 * Copyright (C) 2004-2016 Emulex. All rights reserved. *
7 * EMULEX and SLI are trademarks of Emulex. *
9 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
11 * This program is free software; you can redistribute it and/or *
12 * modify it under the terms of version 2 of the GNU General *
13 * Public License as published by the Free Software Foundation. *
14 * This program is distributed in the hope that it will be useful. *
15 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
16 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
18 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
19 * TO BE LEGALLY INVALID. See the GNU General Public License for *
20 * more details, a copy of which can be found in the file COPYING *
21 * included with this package. *
22 *******************************************************************/
24 #include <linux/ctype.h>
25 #include <linux/delay.h>
26 #include <linux/pci.h>
27 #include <linux/interrupt.h>
28 #include <linux/module.h>
29 #include <linux/aer.h>
30 #include <linux/gfp.h>
31 #include <linux/kernel.h>
33 #include <scsi/scsi.h>
34 #include <scsi/scsi_device.h>
35 #include <scsi/scsi_host.h>
36 #include <scsi/scsi_tcq.h>
37 #include <scsi/scsi_transport_fc.h>
38 #include <scsi/fc/fc_fs.h>
43 #include "lpfc_sli4.h"
45 #include "lpfc_disc.h"
47 #include "lpfc_scsi.h"
48 #include "lpfc_nvme.h"
49 #include "lpfc_logmsg.h"
50 #include "lpfc_version.h"
51 #include "lpfc_compat.h"
52 #include "lpfc_crtn.h"
53 #include "lpfc_vport.h"
54 #include "lpfc_attr.h"
56 #define LPFC_DEF_DEVLOSS_TMO 30
57 #define LPFC_MIN_DEVLOSS_TMO 1
58 #define LPFC_MAX_DEVLOSS_TMO 255
61 * Write key size should be multiple of 4. If write key is changed
62 * make sure that library write key is also changed.
64 #define LPFC_REG_WRITE_KEY_SIZE 4
65 #define LPFC_REG_WRITE_KEY "EMLX"
67 const char *const trunk_errmsg
[] = { /* map errcode */
68 "", /* There is no such error code at index 0*/
69 "link negotiated speed does not match existing"
70 " trunk - link was \"low\" speed",
71 "link negotiated speed does not match"
72 " existing trunk - link was \"middle\" speed",
73 "link negotiated speed does not match existing"
74 " trunk - link was \"high\" speed",
75 "Attached to non-trunking port - F_Port",
76 "Attached to non-trunking port - N_Port",
77 "FLOGI response timeout",
78 "non-FLOGI frame received",
79 "Invalid FLOGI response",
80 "Trunking initialization protocol",
81 "Trunk peer device mismatch",
85 * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules
86 * @incr: integer to convert.
87 * @hdw: ascii string holding converted integer plus a string terminator.
90 * JEDEC Joint Electron Device Engineering Council.
91 * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii
92 * character string. The string is then terminated with a NULL in byte 9.
93 * Hex 0-9 becomes ascii '0' to '9'.
94 * Hex a-f becomes ascii '=' to 'B' capital B.
97 * Coded for 32 bit integers only.
100 lpfc_jedec_to_ascii(int incr
, char hdw
[])
103 for (i
= 0; i
< 8; i
++) {
106 hdw
[7 - i
] = 0x30 + j
;
108 hdw
[7 - i
] = 0x61 + j
- 10;
116 * lpfc_drvr_version_show - Return the Emulex driver string with version number
117 * @dev: class unused variable.
118 * @attr: device attribute, not used.
119 * @buf: on return contains the module description text.
121 * Returns: size of formatted string.
124 lpfc_drvr_version_show(struct device
*dev
, struct device_attribute
*attr
,
127 return scnprintf(buf
, PAGE_SIZE
, LPFC_MODULE_DESC
"\n");
131 * lpfc_enable_fip_show - Return the fip mode of the HBA
132 * @dev: class unused variable.
133 * @attr: device attribute, not used.
134 * @buf: on return contains the module description text.
136 * Returns: size of formatted string.
139 lpfc_enable_fip_show(struct device
*dev
, struct device_attribute
*attr
,
142 struct Scsi_Host
*shost
= class_to_shost(dev
);
143 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
144 struct lpfc_hba
*phba
= vport
->phba
;
146 if (phba
->hba_flag
& HBA_FIP_SUPPORT
)
147 return scnprintf(buf
, PAGE_SIZE
, "1\n");
149 return scnprintf(buf
, PAGE_SIZE
, "0\n");
153 lpfc_nvme_info_show(struct device
*dev
, struct device_attribute
*attr
,
156 struct Scsi_Host
*shost
= class_to_shost(dev
);
157 struct lpfc_vport
*vport
= shost_priv(shost
);
158 struct lpfc_hba
*phba
= vport
->phba
;
159 struct lpfc_nvmet_tgtport
*tgtp
;
160 struct nvme_fc_local_port
*localport
;
161 struct lpfc_nvme_lport
*lport
;
162 struct lpfc_nvme_rport
*rport
;
163 struct lpfc_nodelist
*ndlp
;
164 struct nvme_fc_remote_port
*nrport
;
165 struct lpfc_fc4_ctrl_stat
*cstat
;
166 uint64_t data1
, data2
, data3
;
167 uint64_t totin
, totout
, tot
;
171 char tmp
[LPFC_MAX_NVME_INFO_TMP_LEN
] = {0};
173 if (!(vport
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
)) {
174 len
= scnprintf(buf
, PAGE_SIZE
, "NVME Disabled\n");
177 if (phba
->nvmet_support
) {
178 if (!phba
->targetport
) {
179 len
= scnprintf(buf
, PAGE_SIZE
,
180 "NVME Target: x%llx is not allocated\n",
181 wwn_to_u64(vport
->fc_portname
.u
.wwn
));
184 /* Port state is only one of two values for now. */
185 if (phba
->targetport
->port_id
)
186 statep
= "REGISTERED";
189 scnprintf(tmp
, sizeof(tmp
),
190 "NVME Target Enabled State %s\n",
192 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
195 scnprintf(tmp
, sizeof(tmp
),
196 "%s%d WWPN x%llx WWNN x%llx DID x%06x\n",
199 wwn_to_u64(vport
->fc_portname
.u
.wwn
),
200 wwn_to_u64(vport
->fc_nodename
.u
.wwn
),
201 phba
->targetport
->port_id
);
202 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
205 if (strlcat(buf
, "\nNVME Target: Statistics\n", PAGE_SIZE
)
209 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
210 scnprintf(tmp
, sizeof(tmp
),
211 "LS: Rcv %08x Drop %08x Abort %08x\n",
212 atomic_read(&tgtp
->rcv_ls_req_in
),
213 atomic_read(&tgtp
->rcv_ls_req_drop
),
214 atomic_read(&tgtp
->xmt_ls_abort
));
215 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
218 if (atomic_read(&tgtp
->rcv_ls_req_in
) !=
219 atomic_read(&tgtp
->rcv_ls_req_out
)) {
220 scnprintf(tmp
, sizeof(tmp
),
221 "Rcv LS: in %08x != out %08x\n",
222 atomic_read(&tgtp
->rcv_ls_req_in
),
223 atomic_read(&tgtp
->rcv_ls_req_out
));
224 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
228 scnprintf(tmp
, sizeof(tmp
),
229 "LS: Xmt %08x Drop %08x Cmpl %08x\n",
230 atomic_read(&tgtp
->xmt_ls_rsp
),
231 atomic_read(&tgtp
->xmt_ls_drop
),
232 atomic_read(&tgtp
->xmt_ls_rsp_cmpl
));
233 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
236 scnprintf(tmp
, sizeof(tmp
),
237 "LS: RSP Abort %08x xb %08x Err %08x\n",
238 atomic_read(&tgtp
->xmt_ls_rsp_aborted
),
239 atomic_read(&tgtp
->xmt_ls_rsp_xb_set
),
240 atomic_read(&tgtp
->xmt_ls_rsp_error
));
241 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
244 scnprintf(tmp
, sizeof(tmp
),
245 "FCP: Rcv %08x Defer %08x Release %08x "
247 atomic_read(&tgtp
->rcv_fcp_cmd_in
),
248 atomic_read(&tgtp
->rcv_fcp_cmd_defer
),
249 atomic_read(&tgtp
->xmt_fcp_release
),
250 atomic_read(&tgtp
->rcv_fcp_cmd_drop
));
251 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
254 if (atomic_read(&tgtp
->rcv_fcp_cmd_in
) !=
255 atomic_read(&tgtp
->rcv_fcp_cmd_out
)) {
256 scnprintf(tmp
, sizeof(tmp
),
257 "Rcv FCP: in %08x != out %08x\n",
258 atomic_read(&tgtp
->rcv_fcp_cmd_in
),
259 atomic_read(&tgtp
->rcv_fcp_cmd_out
));
260 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
264 scnprintf(tmp
, sizeof(tmp
),
265 "FCP Rsp: RD %08x rsp %08x WR %08x rsp %08x "
267 atomic_read(&tgtp
->xmt_fcp_read
),
268 atomic_read(&tgtp
->xmt_fcp_read_rsp
),
269 atomic_read(&tgtp
->xmt_fcp_write
),
270 atomic_read(&tgtp
->xmt_fcp_rsp
),
271 atomic_read(&tgtp
->xmt_fcp_drop
));
272 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
275 scnprintf(tmp
, sizeof(tmp
),
276 "FCP Rsp Cmpl: %08x err %08x drop %08x\n",
277 atomic_read(&tgtp
->xmt_fcp_rsp_cmpl
),
278 atomic_read(&tgtp
->xmt_fcp_rsp_error
),
279 atomic_read(&tgtp
->xmt_fcp_rsp_drop
));
280 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
283 scnprintf(tmp
, sizeof(tmp
),
284 "FCP Rsp Abort: %08x xb %08x xricqe %08x\n",
285 atomic_read(&tgtp
->xmt_fcp_rsp_aborted
),
286 atomic_read(&tgtp
->xmt_fcp_rsp_xb_set
),
287 atomic_read(&tgtp
->xmt_fcp_xri_abort_cqe
));
288 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
291 scnprintf(tmp
, sizeof(tmp
),
292 "ABORT: Xmt %08x Cmpl %08x\n",
293 atomic_read(&tgtp
->xmt_fcp_abort
),
294 atomic_read(&tgtp
->xmt_fcp_abort_cmpl
));
295 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
298 scnprintf(tmp
, sizeof(tmp
),
299 "ABORT: Sol %08x Usol %08x Err %08x Cmpl %08x\n",
300 atomic_read(&tgtp
->xmt_abort_sol
),
301 atomic_read(&tgtp
->xmt_abort_unsol
),
302 atomic_read(&tgtp
->xmt_abort_rsp
),
303 atomic_read(&tgtp
->xmt_abort_rsp_error
));
304 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
307 scnprintf(tmp
, sizeof(tmp
),
308 "DELAY: ctx %08x fod %08x wqfull %08x\n",
309 atomic_read(&tgtp
->defer_ctx
),
310 atomic_read(&tgtp
->defer_fod
),
311 atomic_read(&tgtp
->defer_wqfull
));
312 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
315 /* Calculate outstanding IOs */
316 tot
= atomic_read(&tgtp
->rcv_fcp_cmd_drop
);
317 tot
+= atomic_read(&tgtp
->xmt_fcp_release
);
318 tot
= atomic_read(&tgtp
->rcv_fcp_cmd_in
) - tot
;
320 scnprintf(tmp
, sizeof(tmp
),
321 "IO_CTX: %08x WAIT: cur %08x tot %08x\n"
322 "CTX Outstanding %08llx\n\n",
323 phba
->sli4_hba
.nvmet_xri_cnt
,
324 phba
->sli4_hba
.nvmet_io_wait_cnt
,
325 phba
->sli4_hba
.nvmet_io_wait_total
,
327 strlcat(buf
, tmp
, PAGE_SIZE
);
331 localport
= vport
->localport
;
333 len
= scnprintf(buf
, PAGE_SIZE
,
334 "NVME Initiator x%llx is not allocated\n",
335 wwn_to_u64(vport
->fc_portname
.u
.wwn
));
338 lport
= (struct lpfc_nvme_lport
*)localport
->private;
339 if (strlcat(buf
, "\nNVME Initiator Enabled\n", PAGE_SIZE
) >= PAGE_SIZE
)
342 scnprintf(tmp
, sizeof(tmp
),
343 "XRI Dist lpfc%d Total %d IO %d ELS %d\n",
345 phba
->sli4_hba
.max_cfg_param
.max_xri
,
346 phba
->sli4_hba
.io_xri_max
,
347 lpfc_sli4_get_els_iocb_cnt(phba
));
348 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
351 /* Port state is only one of two values for now. */
352 if (localport
->port_id
)
357 scnprintf(tmp
, sizeof(tmp
),
358 "%s%d WWPN x%llx WWNN x%llx DID x%06x %s\n",
361 wwn_to_u64(vport
->fc_portname
.u
.wwn
),
362 wwn_to_u64(vport
->fc_nodename
.u
.wwn
),
363 localport
->port_id
, statep
);
364 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
367 spin_lock_irq(shost
->host_lock
);
369 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
371 spin_lock(&ndlp
->lock
);
372 rport
= lpfc_ndlp_get_nrport(ndlp
);
374 nrport
= rport
->remoteport
;
375 spin_unlock(&ndlp
->lock
);
379 /* Port state is only one of two values for now. */
380 switch (nrport
->port_state
) {
381 case FC_OBJSTATE_ONLINE
:
384 case FC_OBJSTATE_UNKNOWN
:
388 statep
= "UNSUPPORTED";
392 /* Tab in to show lport ownership. */
393 if (strlcat(buf
, "NVME RPORT ", PAGE_SIZE
) >= PAGE_SIZE
)
394 goto unlock_buf_done
;
395 if (phba
->brd_no
>= 10) {
396 if (strlcat(buf
, " ", PAGE_SIZE
) >= PAGE_SIZE
)
397 goto unlock_buf_done
;
400 scnprintf(tmp
, sizeof(tmp
), "WWPN x%llx ",
402 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
403 goto unlock_buf_done
;
405 scnprintf(tmp
, sizeof(tmp
), "WWNN x%llx ",
407 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
408 goto unlock_buf_done
;
410 scnprintf(tmp
, sizeof(tmp
), "DID x%06x ",
412 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
413 goto unlock_buf_done
;
415 /* An NVME rport can have multiple roles. */
416 if (nrport
->port_role
& FC_PORT_ROLE_NVME_INITIATOR
) {
417 if (strlcat(buf
, "INITIATOR ", PAGE_SIZE
) >= PAGE_SIZE
)
418 goto unlock_buf_done
;
420 if (nrport
->port_role
& FC_PORT_ROLE_NVME_TARGET
) {
421 if (strlcat(buf
, "TARGET ", PAGE_SIZE
) >= PAGE_SIZE
)
422 goto unlock_buf_done
;
424 if (nrport
->port_role
& FC_PORT_ROLE_NVME_DISCOVERY
) {
425 if (strlcat(buf
, "DISCSRVC ", PAGE_SIZE
) >= PAGE_SIZE
)
426 goto unlock_buf_done
;
428 if (nrport
->port_role
& ~(FC_PORT_ROLE_NVME_INITIATOR
|
429 FC_PORT_ROLE_NVME_TARGET
|
430 FC_PORT_ROLE_NVME_DISCOVERY
)) {
431 scnprintf(tmp
, sizeof(tmp
), "UNKNOWN ROLE x%x",
433 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
434 goto unlock_buf_done
;
437 scnprintf(tmp
, sizeof(tmp
), "%s\n", statep
);
438 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
439 goto unlock_buf_done
;
441 spin_unlock_irq(shost
->host_lock
);
446 if (strlcat(buf
, "\nNVME Statistics\n", PAGE_SIZE
) >= PAGE_SIZE
)
449 scnprintf(tmp
, sizeof(tmp
),
450 "LS: Xmt %010x Cmpl %010x Abort %08x\n",
451 atomic_read(&lport
->fc4NvmeLsRequests
),
452 atomic_read(&lport
->fc4NvmeLsCmpls
),
453 atomic_read(&lport
->xmt_ls_abort
));
454 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
457 scnprintf(tmp
, sizeof(tmp
),
458 "LS XMIT: Err %08x CMPL: xb %08x Err %08x\n",
459 atomic_read(&lport
->xmt_ls_err
),
460 atomic_read(&lport
->cmpl_ls_xb
),
461 atomic_read(&lport
->cmpl_ls_err
));
462 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
467 for (i
= 0; i
< phba
->cfg_hdw_queue
; i
++) {
468 cstat
= &phba
->sli4_hba
.hdwq
[i
].nvme_cstat
;
469 tot
= cstat
->io_cmpls
;
471 data1
= cstat
->input_requests
;
472 data2
= cstat
->output_requests
;
473 data3
= cstat
->control_requests
;
474 totout
+= (data1
+ data2
+ data3
);
476 scnprintf(tmp
, sizeof(tmp
),
477 "Total FCP Cmpl %016llx Issue %016llx "
479 totin
, totout
, totout
- totin
);
480 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
483 scnprintf(tmp
, sizeof(tmp
),
484 "\tabort %08x noxri %08x nondlp %08x qdepth %08x "
485 "wqerr %08x err %08x\n",
486 atomic_read(&lport
->xmt_fcp_abort
),
487 atomic_read(&lport
->xmt_fcp_noxri
),
488 atomic_read(&lport
->xmt_fcp_bad_ndlp
),
489 atomic_read(&lport
->xmt_fcp_qdepth
),
490 atomic_read(&lport
->xmt_fcp_err
),
491 atomic_read(&lport
->xmt_fcp_wqerr
));
492 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
495 scnprintf(tmp
, sizeof(tmp
),
496 "FCP CMPL: xb %08x Err %08x\n",
497 atomic_read(&lport
->cmpl_fcp_xb
),
498 atomic_read(&lport
->cmpl_fcp_err
));
499 strlcat(buf
, tmp
, PAGE_SIZE
);
501 /* host_lock is already unlocked. */
505 spin_unlock_irq(shost
->host_lock
);
508 len
= strnlen(buf
, PAGE_SIZE
);
510 if (unlikely(len
>= (PAGE_SIZE
- 1))) {
511 lpfc_printf_log(phba
, KERN_INFO
, LOG_NVME
,
512 "6314 Catching potential buffer "
513 "overflow > PAGE_SIZE = %lu bytes\n",
515 strlcpy(buf
+ PAGE_SIZE
- 1 -
516 strnlen(LPFC_NVME_INFO_MORE_STR
, PAGE_SIZE
- 1),
517 LPFC_NVME_INFO_MORE_STR
,
518 strnlen(LPFC_NVME_INFO_MORE_STR
, PAGE_SIZE
- 1)
526 lpfc_scsi_stat_show(struct device
*dev
, struct device_attribute
*attr
,
529 struct Scsi_Host
*shost
= class_to_shost(dev
);
530 struct lpfc_vport
*vport
= shost_priv(shost
);
531 struct lpfc_hba
*phba
= vport
->phba
;
533 struct lpfc_fc4_ctrl_stat
*cstat
;
534 u64 data1
, data2
, data3
;
535 u64 tot
, totin
, totout
;
537 char tmp
[LPFC_MAX_SCSI_INFO_TMP_LEN
] = {0};
539 if (!(vport
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
) ||
540 (phba
->sli_rev
!= LPFC_SLI_REV4
))
543 scnprintf(buf
, PAGE_SIZE
, "SCSI HDWQ Statistics\n");
547 for (i
= 0; i
< phba
->cfg_hdw_queue
; i
++) {
548 cstat
= &phba
->sli4_hba
.hdwq
[i
].scsi_cstat
;
549 tot
= cstat
->io_cmpls
;
551 data1
= cstat
->input_requests
;
552 data2
= cstat
->output_requests
;
553 data3
= cstat
->control_requests
;
554 totout
+= (data1
+ data2
+ data3
);
556 scnprintf(tmp
, sizeof(tmp
), "HDWQ (%d): Rd %016llx Wr %016llx "
557 "IO %016llx ", i
, data1
, data2
, data3
);
558 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
561 scnprintf(tmp
, sizeof(tmp
), "Cmpl %016llx OutIO %016llx\n",
562 tot
, ((data1
+ data2
+ data3
) - tot
));
563 if (strlcat(buf
, tmp
, PAGE_SIZE
) >= PAGE_SIZE
)
566 scnprintf(tmp
, sizeof(tmp
), "Total FCP Cmpl %016llx Issue %016llx "
567 "OutIO %016llx\n", totin
, totout
, totout
- totin
);
568 strlcat(buf
, tmp
, PAGE_SIZE
);
571 len
= strnlen(buf
, PAGE_SIZE
);
577 lpfc_bg_info_show(struct device
*dev
, struct device_attribute
*attr
,
580 struct Scsi_Host
*shost
= class_to_shost(dev
);
581 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
582 struct lpfc_hba
*phba
= vport
->phba
;
584 if (phba
->cfg_enable_bg
) {
585 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
586 return scnprintf(buf
, PAGE_SIZE
,
587 "BlockGuard Enabled\n");
589 return scnprintf(buf
, PAGE_SIZE
,
590 "BlockGuard Not Supported\n");
592 return scnprintf(buf
, PAGE_SIZE
,
593 "BlockGuard Disabled\n");
597 lpfc_bg_guard_err_show(struct device
*dev
, struct device_attribute
*attr
,
600 struct Scsi_Host
*shost
= class_to_shost(dev
);
601 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
602 struct lpfc_hba
*phba
= vport
->phba
;
604 return scnprintf(buf
, PAGE_SIZE
, "%llu\n",
605 (unsigned long long)phba
->bg_guard_err_cnt
);
609 lpfc_bg_apptag_err_show(struct device
*dev
, struct device_attribute
*attr
,
612 struct Scsi_Host
*shost
= class_to_shost(dev
);
613 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
614 struct lpfc_hba
*phba
= vport
->phba
;
616 return scnprintf(buf
, PAGE_SIZE
, "%llu\n",
617 (unsigned long long)phba
->bg_apptag_err_cnt
);
621 lpfc_bg_reftag_err_show(struct device
*dev
, struct device_attribute
*attr
,
624 struct Scsi_Host
*shost
= class_to_shost(dev
);
625 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
626 struct lpfc_hba
*phba
= vport
->phba
;
628 return scnprintf(buf
, PAGE_SIZE
, "%llu\n",
629 (unsigned long long)phba
->bg_reftag_err_cnt
);
633 * lpfc_info_show - Return some pci info about the host in ascii
634 * @dev: class converted to a Scsi_host structure.
635 * @attr: device attribute, not used.
636 * @buf: on return contains the formatted text from lpfc_info().
638 * Returns: size of formatted string.
641 lpfc_info_show(struct device
*dev
, struct device_attribute
*attr
,
644 struct Scsi_Host
*host
= class_to_shost(dev
);
646 return scnprintf(buf
, PAGE_SIZE
, "%s\n", lpfc_info(host
));
650 * lpfc_serialnum_show - Return the hba serial number in ascii
651 * @dev: class converted to a Scsi_host structure.
652 * @attr: device attribute, not used.
653 * @buf: on return contains the formatted text serial number.
655 * Returns: size of formatted string.
658 lpfc_serialnum_show(struct device
*dev
, struct device_attribute
*attr
,
661 struct Scsi_Host
*shost
= class_to_shost(dev
);
662 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
663 struct lpfc_hba
*phba
= vport
->phba
;
665 return scnprintf(buf
, PAGE_SIZE
, "%s\n", phba
->SerialNumber
);
669 * lpfc_temp_sensor_show - Return the temperature sensor level
670 * @dev: class converted to a Scsi_host structure.
671 * @attr: device attribute, not used.
672 * @buf: on return contains the formatted support level.
675 * Returns a number indicating the temperature sensor level currently
676 * supported, zero or one in ascii.
678 * Returns: size of formatted string.
681 lpfc_temp_sensor_show(struct device
*dev
, struct device_attribute
*attr
,
684 struct Scsi_Host
*shost
= class_to_shost(dev
);
685 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
686 struct lpfc_hba
*phba
= vport
->phba
;
687 return scnprintf(buf
, PAGE_SIZE
, "%d\n", phba
->temp_sensor_support
);
691 * lpfc_modeldesc_show - Return the model description of the hba
692 * @dev: class converted to a Scsi_host structure.
693 * @attr: device attribute, not used.
694 * @buf: on return contains the scsi vpd model description.
696 * Returns: size of formatted string.
699 lpfc_modeldesc_show(struct device
*dev
, struct device_attribute
*attr
,
702 struct Scsi_Host
*shost
= class_to_shost(dev
);
703 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
704 struct lpfc_hba
*phba
= vport
->phba
;
706 return scnprintf(buf
, PAGE_SIZE
, "%s\n", phba
->ModelDesc
);
710 * lpfc_modelname_show - Return the model name of the hba
711 * @dev: class converted to a Scsi_host structure.
712 * @attr: device attribute, not used.
713 * @buf: on return contains the scsi vpd model name.
715 * Returns: size of formatted string.
718 lpfc_modelname_show(struct device
*dev
, struct device_attribute
*attr
,
721 struct Scsi_Host
*shost
= class_to_shost(dev
);
722 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
723 struct lpfc_hba
*phba
= vport
->phba
;
725 return scnprintf(buf
, PAGE_SIZE
, "%s\n", phba
->ModelName
);
729 * lpfc_programtype_show - Return the program type of the hba
730 * @dev: class converted to a Scsi_host structure.
731 * @attr: device attribute, not used.
732 * @buf: on return contains the scsi vpd program type.
734 * Returns: size of formatted string.
737 lpfc_programtype_show(struct device
*dev
, struct device_attribute
*attr
,
740 struct Scsi_Host
*shost
= class_to_shost(dev
);
741 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
742 struct lpfc_hba
*phba
= vport
->phba
;
744 return scnprintf(buf
, PAGE_SIZE
, "%s\n", phba
->ProgramType
);
748 * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag
749 * @dev: class converted to a Scsi_host structure.
750 * @attr: device attribute, not used.
751 * @buf: on return contains the Menlo Maintenance sli flag.
753 * Returns: size of formatted string.
756 lpfc_mlomgmt_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
758 struct Scsi_Host
*shost
= class_to_shost(dev
);
759 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
760 struct lpfc_hba
*phba
= vport
->phba
;
762 return scnprintf(buf
, PAGE_SIZE
, "%d\n",
763 (phba
->sli
.sli_flag
& LPFC_MENLO_MAINT
));
767 * lpfc_vportnum_show - Return the port number in ascii of the hba
768 * @dev: class converted to a Scsi_host structure.
769 * @attr: device attribute, not used.
770 * @buf: on return contains scsi vpd program type.
772 * Returns: size of formatted string.
775 lpfc_vportnum_show(struct device
*dev
, struct device_attribute
*attr
,
778 struct Scsi_Host
*shost
= class_to_shost(dev
);
779 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
780 struct lpfc_hba
*phba
= vport
->phba
;
782 return scnprintf(buf
, PAGE_SIZE
, "%s\n", phba
->Port
);
786 * lpfc_fwrev_show - Return the firmware rev running in the hba
787 * @dev: class converted to a Scsi_host structure.
788 * @attr: device attribute, not used.
789 * @buf: on return contains the scsi vpd program type.
791 * Returns: size of formatted string.
794 lpfc_fwrev_show(struct device
*dev
, struct device_attribute
*attr
,
797 struct Scsi_Host
*shost
= class_to_shost(dev
);
798 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
799 struct lpfc_hba
*phba
= vport
->phba
;
802 char fwrev
[FW_REV_STR_SIZE
];
805 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
806 if_type
= phba
->sli4_hba
.pc_sli4_params
.if_type
;
807 sli_family
= phba
->sli4_hba
.pc_sli4_params
.sli_family
;
809 if (phba
->sli_rev
< LPFC_SLI_REV4
)
810 len
= scnprintf(buf
, PAGE_SIZE
, "%s, sli-%d\n",
811 fwrev
, phba
->sli_rev
);
813 len
= scnprintf(buf
, PAGE_SIZE
, "%s, sli-%d:%d:%x\n",
814 fwrev
, phba
->sli_rev
, if_type
, sli_family
);
820 * lpfc_hdw_show - Return the jedec information about the hba
821 * @dev: class converted to a Scsi_host structure.
822 * @attr: device attribute, not used.
823 * @buf: on return contains the scsi vpd program type.
825 * Returns: size of formatted string.
828 lpfc_hdw_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
831 struct Scsi_Host
*shost
= class_to_shost(dev
);
832 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
833 struct lpfc_hba
*phba
= vport
->phba
;
834 lpfc_vpd_t
*vp
= &phba
->vpd
;
836 lpfc_jedec_to_ascii(vp
->rev
.biuRev
, hdw
);
837 return scnprintf(buf
, PAGE_SIZE
, "%s %08x %08x\n", hdw
,
838 vp
->rev
.smRev
, vp
->rev
.smFwRev
);
842 * lpfc_option_rom_version_show - Return the adapter ROM FCode version
843 * @dev: class converted to a Scsi_host structure.
844 * @attr: device attribute, not used.
845 * @buf: on return contains the ROM and FCode ascii strings.
847 * Returns: size of formatted string.
850 lpfc_option_rom_version_show(struct device
*dev
, struct device_attribute
*attr
,
853 struct Scsi_Host
*shost
= class_to_shost(dev
);
854 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
855 struct lpfc_hba
*phba
= vport
->phba
;
856 char fwrev
[FW_REV_STR_SIZE
];
858 if (phba
->sli_rev
< LPFC_SLI_REV4
)
859 return scnprintf(buf
, PAGE_SIZE
, "%s\n",
860 phba
->OptionROMVersion
);
862 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
863 return scnprintf(buf
, PAGE_SIZE
, "%s\n", fwrev
);
867 * lpfc_state_show - Return the link state of the port
868 * @dev: class converted to a Scsi_host structure.
869 * @attr: device attribute, not used.
870 * @buf: on return contains text describing the state of the link.
873 * The switch statement has no default so zero will be returned.
875 * Returns: size of formatted string.
878 lpfc_link_state_show(struct device
*dev
, struct device_attribute
*attr
,
881 struct Scsi_Host
*shost
= class_to_shost(dev
);
882 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
883 struct lpfc_hba
*phba
= vport
->phba
;
886 switch (phba
->link_state
) {
887 case LPFC_LINK_UNKNOWN
:
888 case LPFC_WARM_START
:
889 case LPFC_INIT_START
:
890 case LPFC_INIT_MBX_CMDS
:
893 if (phba
->hba_flag
& LINK_DISABLED
)
894 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
895 "Link Down - User disabled\n");
897 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
903 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
, "Link Up - ");
905 switch (vport
->port_state
) {
906 case LPFC_LOCAL_CFG_LINK
:
907 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
908 "Configuring Link\n");
912 case LPFC_FABRIC_CFG_LINK
:
915 case LPFC_BUILD_DISC_LIST
:
917 len
+= scnprintf(buf
+ len
, PAGE_SIZE
- len
,
920 case LPFC_VPORT_READY
:
921 len
+= scnprintf(buf
+ len
, PAGE_SIZE
- len
,
925 case LPFC_VPORT_FAILED
:
926 len
+= scnprintf(buf
+ len
, PAGE_SIZE
- len
,
930 case LPFC_VPORT_UNKNOWN
:
931 len
+= scnprintf(buf
+ len
, PAGE_SIZE
- len
,
935 if (phba
->sli
.sli_flag
& LPFC_MENLO_MAINT
)
936 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
937 " Menlo Maint Mode\n");
938 else if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
939 if (vport
->fc_flag
& FC_PUBLIC_LOOP
)
940 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
943 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
946 if (vport
->fc_flag
& FC_FABRIC
)
947 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
950 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
955 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
956 ((bf_get(lpfc_sli_intf_if_type
,
957 &phba
->sli4_hba
.sli_intf
) ==
958 LPFC_SLI_INTF_IF_TYPE_6
))) {
959 struct lpfc_trunk_link link
= phba
->trunk_link
;
961 if (bf_get(lpfc_conf_trunk_port0
, &phba
->sli4_hba
))
962 len
+= scnprintf(buf
+ len
, PAGE_SIZE
- len
,
963 "Trunk port 0: Link %s %s\n",
964 (link
.link0
.state
== LPFC_LINK_UP
) ?
966 trunk_errmsg
[link
.link0
.fault
]);
968 if (bf_get(lpfc_conf_trunk_port1
, &phba
->sli4_hba
))
969 len
+= scnprintf(buf
+ len
, PAGE_SIZE
- len
,
970 "Trunk port 1: Link %s %s\n",
971 (link
.link1
.state
== LPFC_LINK_UP
) ?
973 trunk_errmsg
[link
.link1
.fault
]);
975 if (bf_get(lpfc_conf_trunk_port2
, &phba
->sli4_hba
))
976 len
+= scnprintf(buf
+ len
, PAGE_SIZE
- len
,
977 "Trunk port 2: Link %s %s\n",
978 (link
.link2
.state
== LPFC_LINK_UP
) ?
980 trunk_errmsg
[link
.link2
.fault
]);
982 if (bf_get(lpfc_conf_trunk_port3
, &phba
->sli4_hba
))
983 len
+= scnprintf(buf
+ len
, PAGE_SIZE
- len
,
984 "Trunk port 3: Link %s %s\n",
985 (link
.link3
.state
== LPFC_LINK_UP
) ?
987 trunk_errmsg
[link
.link3
.fault
]);
995 * lpfc_sli4_protocol_show - Return the fip mode of the HBA
996 * @dev: class unused variable.
997 * @attr: device attribute, not used.
998 * @buf: on return contains the module description text.
1000 * Returns: size of formatted string.
1003 lpfc_sli4_protocol_show(struct device
*dev
, struct device_attribute
*attr
,
1006 struct Scsi_Host
*shost
= class_to_shost(dev
);
1007 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1008 struct lpfc_hba
*phba
= vport
->phba
;
1010 if (phba
->sli_rev
< LPFC_SLI_REV4
)
1011 return scnprintf(buf
, PAGE_SIZE
, "fc\n");
1013 if (phba
->sli4_hba
.lnk_info
.lnk_dv
== LPFC_LNK_DAT_VAL
) {
1014 if (phba
->sli4_hba
.lnk_info
.lnk_tp
== LPFC_LNK_TYPE_GE
)
1015 return scnprintf(buf
, PAGE_SIZE
, "fcoe\n");
1016 if (phba
->sli4_hba
.lnk_info
.lnk_tp
== LPFC_LNK_TYPE_FC
)
1017 return scnprintf(buf
, PAGE_SIZE
, "fc\n");
1019 return scnprintf(buf
, PAGE_SIZE
, "unknown\n");
1023 * lpfc_oas_supported_show - Return whether or not Optimized Access Storage
1024 * (OAS) is supported.
1025 * @dev: class unused variable.
1026 * @attr: device attribute, not used.
1027 * @buf: on return contains the module description text.
1029 * Returns: size of formatted string.
1032 lpfc_oas_supported_show(struct device
*dev
, struct device_attribute
*attr
,
1035 struct Scsi_Host
*shost
= class_to_shost(dev
);
1036 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
1037 struct lpfc_hba
*phba
= vport
->phba
;
1039 return scnprintf(buf
, PAGE_SIZE
, "%d\n",
1040 phba
->sli4_hba
.pc_sli4_params
.oas_supported
);
1044 * lpfc_link_state_store - Transition the link_state on an HBA port
1045 * @dev: class device that is converted into a Scsi_host.
1046 * @attr: device attribute, not used.
1047 * @buf: one or more lpfc_polling_flags values.
1051 * -EINVAL if the buffer is not "up" or "down"
1052 * return from link state change function if non-zero
1053 * length of the buf on success
1056 lpfc_link_state_store(struct device
*dev
, struct device_attribute
*attr
,
1057 const char *buf
, size_t count
)
1059 struct Scsi_Host
*shost
= class_to_shost(dev
);
1060 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1061 struct lpfc_hba
*phba
= vport
->phba
;
1063 int status
= -EINVAL
;
1065 if ((strncmp(buf
, "up", sizeof("up") - 1) == 0) &&
1066 (phba
->link_state
== LPFC_LINK_DOWN
))
1067 status
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
1068 else if ((strncmp(buf
, "down", sizeof("down") - 1) == 0) &&
1069 (phba
->link_state
>= LPFC_LINK_UP
))
1070 status
= phba
->lpfc_hba_down_link(phba
, MBX_NOWAIT
);
1079 * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports
1080 * @dev: class device that is converted into a Scsi_host.
1081 * @attr: device attribute, not used.
1082 * @buf: on return contains the sum of fc mapped and unmapped.
1085 * Returns the ascii text number of the sum of the fc mapped and unmapped
1088 * Returns: size of formatted string.
1091 lpfc_num_discovered_ports_show(struct device
*dev
,
1092 struct device_attribute
*attr
, char *buf
)
1094 struct Scsi_Host
*shost
= class_to_shost(dev
);
1095 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1097 return scnprintf(buf
, PAGE_SIZE
, "%d\n",
1098 vport
->fc_map_cnt
+ vport
->fc_unmap_cnt
);
1102 * lpfc_issue_lip - Misnomer, name carried over from long ago
1103 * @shost: Scsi_Host pointer.
1106 * Bring the link down gracefully then re-init the link. The firmware will
1107 * re-init the fiber channel interface as required. Does not issue a LIP.
1110 * -EPERM port offline or management commands are being blocked
1111 * -ENOMEM cannot allocate memory for the mailbox command
1112 * -EIO error sending the mailbox command
1116 lpfc_issue_lip(struct Scsi_Host
*shost
)
1118 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1119 struct lpfc_hba
*phba
= vport
->phba
;
1120 LPFC_MBOXQ_t
*pmboxq
;
1121 int mbxstatus
= MBXERR_ERROR
;
1124 * If the link is offline, disabled or BLOCK_MGMT_IO
1125 * it doesn't make any sense to allow issue_lip
1127 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
1128 (phba
->hba_flag
& LINK_DISABLED
) ||
1129 (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
))
1132 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,GFP_KERNEL
);
1137 memset((void *)pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
1138 pmboxq
->u
.mb
.mbxCommand
= MBX_DOWN_LINK
;
1139 pmboxq
->u
.mb
.mbxOwner
= OWN_HOST
;
1141 mbxstatus
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, LPFC_MBOX_TMO
* 2);
1143 if ((mbxstatus
== MBX_SUCCESS
) &&
1144 (pmboxq
->u
.mb
.mbxStatus
== 0 ||
1145 pmboxq
->u
.mb
.mbxStatus
== MBXERR_LINK_DOWN
)) {
1146 memset((void *)pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
1147 lpfc_init_link(phba
, pmboxq
, phba
->cfg_topology
,
1148 phba
->cfg_link_speed
);
1149 mbxstatus
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
,
1150 phba
->fc_ratov
* 2);
1151 if ((mbxstatus
== MBX_SUCCESS
) &&
1152 (pmboxq
->u
.mb
.mbxStatus
== MBXERR_SEC_NO_PERMISSION
))
1153 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
1154 "2859 SLI authentication is required "
1155 "for INIT_LINK but has not done yet\n");
1158 lpfc_set_loopback_flag(phba
);
1159 if (mbxstatus
!= MBX_TIMEOUT
)
1160 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1162 if (mbxstatus
== MBXERR_ERROR
)
1169 lpfc_emptyq_wait(struct lpfc_hba
*phba
, struct list_head
*q
, spinlock_t
*lock
)
1173 spin_lock_irq(lock
);
1174 while (!list_empty(q
)) {
1175 spin_unlock_irq(lock
);
1177 if (cnt
++ > 250) { /* 5 secs */
1178 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1180 "Outstanding IO when ",
1181 "bringing Adapter offline\n");
1184 spin_lock_irq(lock
);
1186 spin_unlock_irq(lock
);
1191 * lpfc_do_offline - Issues a mailbox command to bring the link down
1192 * @phba: lpfc_hba pointer.
1193 * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL.
1196 * Assumes any error from lpfc_do_offline() will be negative.
1197 * Can wait up to 5 seconds for the port ring buffers count
1198 * to reach zero, prints a warning if it is not zero and continues.
1199 * lpfc_workq_post_event() returns a non-zero return code if call fails.
1202 * -EIO error posting the event
1206 lpfc_do_offline(struct lpfc_hba
*phba
, uint32_t type
)
1208 struct completion online_compl
;
1209 struct lpfc_queue
*qp
= NULL
;
1210 struct lpfc_sli_ring
*pring
;
1211 struct lpfc_sli
*psli
;
1216 init_completion(&online_compl
);
1217 rc
= lpfc_workq_post_event(phba
, &status
, &online_compl
,
1218 LPFC_EVT_OFFLINE_PREP
);
1222 wait_for_completion(&online_compl
);
1230 * If freeing the queues have already started, don't access them.
1231 * Otherwise set FREE_WAIT to indicate that queues are being used
1232 * to hold the freeing process until we finish.
1234 spin_lock_irq(&phba
->hbalock
);
1235 if (!(psli
->sli_flag
& LPFC_QUEUE_FREE_INIT
)) {
1236 psli
->sli_flag
|= LPFC_QUEUE_FREE_WAIT
;
1238 spin_unlock_irq(&phba
->hbalock
);
1241 spin_unlock_irq(&phba
->hbalock
);
1243 /* Wait a little for things to settle down, but not
1244 * long enough for dev loss timeout to expire.
1246 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
1247 for (i
= 0; i
< psli
->num_rings
; i
++) {
1248 pring
= &psli
->sli3_ring
[i
];
1249 if (!lpfc_emptyq_wait(phba
, &pring
->txcmplq
,
1254 list_for_each_entry(qp
, &phba
->sli4_hba
.lpfc_wq_list
, wq_list
) {
1258 if (!lpfc_emptyq_wait(phba
, &pring
->txcmplq
,
1264 spin_lock_irq(&phba
->hbalock
);
1265 psli
->sli_flag
&= ~LPFC_QUEUE_FREE_WAIT
;
1266 spin_unlock_irq(&phba
->hbalock
);
1269 init_completion(&online_compl
);
1270 rc
= lpfc_workq_post_event(phba
, &status
, &online_compl
, type
);
1274 wait_for_completion(&online_compl
);
1283 * lpfc_reset_pci_bus - resets PCI bridge controller's secondary bus of an HBA
1284 * @phba: lpfc_hba pointer.
1287 * Issues a PCI secondary bus reset for the phba->pcidev.
1290 * First walks the bus_list to ensure only PCI devices with Emulex
1291 * vendor id, device ids that support hot reset, only one occurrence
1292 * of function 0, and all ports on the bus are in offline mode to ensure the
1293 * hot reset only affects one valid HBA.
1296 * -ENOTSUPP, cfg_enable_hba_reset must be of value 2
1297 * -ENODEV, NULL ptr to pcidev
1298 * -EBADSLT, detected invalid device
1299 * -EBUSY, port is not in offline state
1303 lpfc_reset_pci_bus(struct lpfc_hba
*phba
)
1305 struct pci_dev
*pdev
= phba
->pcidev
;
1306 struct Scsi_Host
*shost
= NULL
;
1307 struct lpfc_hba
*phba_other
= NULL
;
1308 struct pci_dev
*ptr
= NULL
;
1311 if (phba
->cfg_enable_hba_reset
!= 2)
1315 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
, "8345 pdev NULL!\n");
1319 res
= lpfc_check_pci_resettable(phba
);
1323 /* Walk the list of devices on the pci_dev's bus */
1324 list_for_each_entry(ptr
, &pdev
->bus
->devices
, bus_list
) {
1325 /* Check port is offline */
1326 shost
= pci_get_drvdata(ptr
);
1329 ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
1330 if (!(phba_other
->pport
->fc_flag
& FC_OFFLINE_MODE
)) {
1331 lpfc_printf_log(phba_other
, KERN_INFO
, LOG_INIT
,
1332 "8349 WWPN = 0x%02x%02x%02x%02x"
1333 "%02x%02x%02x%02x is not "
1335 phba_other
->wwpn
[0],
1336 phba_other
->wwpn
[1],
1337 phba_other
->wwpn
[2],
1338 phba_other
->wwpn
[3],
1339 phba_other
->wwpn
[4],
1340 phba_other
->wwpn
[5],
1341 phba_other
->wwpn
[6],
1342 phba_other
->wwpn
[7]);
1348 /* Issue PCI bus reset */
1349 res
= pci_reset_bus(pdev
);
1351 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1352 "8350 PCI reset bus failed: %d\n", res
);
1359 * lpfc_selective_reset - Offline then onlines the port
1360 * @phba: lpfc_hba pointer.
1363 * If the port is configured to allow a reset then the hba is brought
1364 * offline then online.
1367 * Assumes any error from lpfc_do_offline() will be negative.
1368 * Do not make this function static.
1371 * lpfc_do_offline() return code if not zero
1372 * -EIO reset not configured or error posting the event
1376 lpfc_selective_reset(struct lpfc_hba
*phba
)
1378 struct completion online_compl
;
1382 if (!phba
->cfg_enable_hba_reset
)
1385 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)) {
1386 status
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
1392 init_completion(&online_compl
);
1393 rc
= lpfc_workq_post_event(phba
, &status
, &online_compl
,
1398 wait_for_completion(&online_compl
);
1407 * lpfc_issue_reset - Selectively resets an adapter
1408 * @dev: class device that is converted into a Scsi_host.
1409 * @attr: device attribute, not used.
1410 * @buf: containing the string "selective".
1411 * @count: unused variable.
1414 * If the buf contains the string "selective" then lpfc_selective_reset()
1415 * is called to perform the reset.
1418 * Assumes any error from lpfc_selective_reset() will be negative.
1419 * If lpfc_selective_reset() returns zero then the length of the buffer
1420 * is returned which indicates success
1423 * -EINVAL if the buffer does not contain the string "selective"
1424 * length of buf if lpfc-selective_reset() if the call succeeds
1425 * return value of lpfc_selective_reset() if the call fails
1428 lpfc_issue_reset(struct device
*dev
, struct device_attribute
*attr
,
1429 const char *buf
, size_t count
)
1431 struct Scsi_Host
*shost
= class_to_shost(dev
);
1432 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1433 struct lpfc_hba
*phba
= vport
->phba
;
1434 int status
= -EINVAL
;
1436 if (!phba
->cfg_enable_hba_reset
)
1439 if (strncmp(buf
, "selective", sizeof("selective") - 1) == 0)
1440 status
= phba
->lpfc_selective_reset(phba
);
1449 * lpfc_sli4_pdev_status_reg_wait - Wait for pdev status register for readyness
1450 * @phba: lpfc_hba pointer.
1453 * SLI4 interface type-2 device to wait on the sliport status register for
1454 * the readyness after performing a firmware reset.
1457 * zero for success, -EPERM when port does not have privilege to perform the
1458 * reset, -EIO when port timeout from recovering from the reset.
1461 * As the caller will interpret the return code by value, be careful in making
1462 * change or addition to return codes.
1465 lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba
*phba
)
1467 struct lpfc_register portstat_reg
= {0};
1471 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
1472 &portstat_reg
.word0
))
1475 /* verify if privileged for the request operation */
1476 if (!bf_get(lpfc_sliport_status_rn
, &portstat_reg
) &&
1477 !bf_get(lpfc_sliport_status_err
, &portstat_reg
))
1480 /* wait for the SLI port firmware ready after firmware reset */
1481 for (i
= 0; i
< LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT
; i
++) {
1483 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
1484 &portstat_reg
.word0
))
1486 if (!bf_get(lpfc_sliport_status_err
, &portstat_reg
))
1488 if (!bf_get(lpfc_sliport_status_rn
, &portstat_reg
))
1490 if (!bf_get(lpfc_sliport_status_rdy
, &portstat_reg
))
1495 if (i
< LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT
)
1502 * lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc
1503 * @phba: lpfc_hba pointer.
1504 * @opcode: The sli4 config command opcode.
1507 * Request SLI4 interface type-2 device to perform a physical register set
1514 lpfc_sli4_pdev_reg_request(struct lpfc_hba
*phba
, uint32_t opcode
)
1516 struct completion online_compl
;
1517 struct pci_dev
*pdev
= phba
->pcidev
;
1518 uint32_t before_fc_flag
;
1519 uint32_t sriov_nr_virtfn
;
1521 int status
= 0, rc
= 0;
1522 int job_posted
= 1, sriov_err
;
1524 if (!phba
->cfg_enable_hba_reset
)
1527 if ((phba
->sli_rev
< LPFC_SLI_REV4
) ||
1528 (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) <
1529 LPFC_SLI_INTF_IF_TYPE_2
))
1532 /* Keep state if we need to restore back */
1533 before_fc_flag
= phba
->pport
->fc_flag
;
1534 sriov_nr_virtfn
= phba
->cfg_sriov_nr_virtfn
;
1536 /* Disable SR-IOV virtual functions if enabled */
1537 if (phba
->cfg_sriov_nr_virtfn
) {
1538 pci_disable_sriov(pdev
);
1539 phba
->cfg_sriov_nr_virtfn
= 0;
1542 if (opcode
== LPFC_FW_DUMP
)
1543 phba
->hba_flag
|= HBA_FW_DUMP_OP
;
1545 status
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
1548 phba
->hba_flag
&= ~HBA_FW_DUMP_OP
;
1552 /* wait for the device to be quiesced before firmware reset */
1555 reg_val
= readl(phba
->sli4_hba
.conf_regs_memmap_p
+
1556 LPFC_CTL_PDEV_CTL_OFFSET
);
1558 if (opcode
== LPFC_FW_DUMP
)
1559 reg_val
|= LPFC_FW_DUMP_REQUEST
;
1560 else if (opcode
== LPFC_FW_RESET
)
1561 reg_val
|= LPFC_CTL_PDEV_CTL_FRST
;
1562 else if (opcode
== LPFC_DV_RESET
)
1563 reg_val
|= LPFC_CTL_PDEV_CTL_DRST
;
1565 writel(reg_val
, phba
->sli4_hba
.conf_regs_memmap_p
+
1566 LPFC_CTL_PDEV_CTL_OFFSET
);
1568 readl(phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_CTL_PDEV_CTL_OFFSET
);
1570 /* delay driver action following IF_TYPE_2 reset */
1571 rc
= lpfc_sli4_pdev_status_reg_wait(phba
);
1574 /* no privilege for reset */
1575 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
1576 "3150 No privilege to perform the requested "
1577 "access: x%x\n", reg_val
);
1578 } else if (rc
== -EIO
) {
1579 /* reset failed, there is nothing more we can do */
1580 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
1581 "3153 Fail to perform the requested "
1582 "access: x%x\n", reg_val
);
1586 /* keep the original port state */
1587 if (before_fc_flag
& FC_OFFLINE_MODE
)
1590 init_completion(&online_compl
);
1591 job_posted
= lpfc_workq_post_event(phba
, &status
, &online_compl
,
1596 wait_for_completion(&online_compl
);
1599 /* in any case, restore the virtual functions enabled as before */
1600 if (sriov_nr_virtfn
) {
1602 lpfc_sli_probe_sriov_nr_virtfn(phba
, sriov_nr_virtfn
);
1604 phba
->cfg_sriov_nr_virtfn
= sriov_nr_virtfn
;
1607 /* return proper error code */
1618 * lpfc_nport_evt_cnt_show - Return the number of nport events
1619 * @dev: class device that is converted into a Scsi_host.
1620 * @attr: device attribute, not used.
1621 * @buf: on return contains the ascii number of nport events.
1623 * Returns: size of formatted string.
1626 lpfc_nport_evt_cnt_show(struct device
*dev
, struct device_attribute
*attr
,
1629 struct Scsi_Host
*shost
= class_to_shost(dev
);
1630 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1631 struct lpfc_hba
*phba
= vport
->phba
;
1633 return scnprintf(buf
, PAGE_SIZE
, "%d\n", phba
->nport_event_cnt
);
1637 lpfc_set_trunking(struct lpfc_hba
*phba
, char *buff_out
)
1639 LPFC_MBOXQ_t
*mbox
= NULL
;
1640 unsigned long val
= 0;
1644 if (!strncmp("enable", buff_out
,
1645 strlen("enable"))) {
1646 pval
= buff_out
+ strlen("enable") + 1;
1647 rc
= kstrtoul(pval
, 0, &val
);
1649 return rc
; /* Invalid number */
1650 } else if (!strncmp("disable", buff_out
,
1651 strlen("disable"))) {
1654 return -EINVAL
; /* Invalid command */
1659 val
= 0x0; /* Disable */
1662 val
= 0x1; /* Enable two port trunk */
1665 val
= 0x2; /* Enable four port trunk */
1671 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1672 "0070 Set trunk mode with val %ld ", val
);
1674 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1678 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
1679 LPFC_MBOX_OPCODE_FCOE_FC_SET_TRUNK_MODE
,
1680 12, LPFC_SLI4_MBX_EMBED
);
1682 bf_set(lpfc_mbx_set_trunk_mode
,
1683 &mbox
->u
.mqe
.un
.set_trunk_mode
,
1685 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
1687 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1688 "0071 Set trunk mode failed with status: %d",
1690 mempool_free(mbox
, phba
->mbox_mem_pool
);
1696 * lpfc_board_mode_show - Return the state of the board
1697 * @dev: class device that is converted into a Scsi_host.
1698 * @attr: device attribute, not used.
1699 * @buf: on return contains the state of the adapter.
1701 * Returns: size of formatted string.
1704 lpfc_board_mode_show(struct device
*dev
, struct device_attribute
*attr
,
1707 struct Scsi_Host
*shost
= class_to_shost(dev
);
1708 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1709 struct lpfc_hba
*phba
= vport
->phba
;
1712 if (phba
->link_state
== LPFC_HBA_ERROR
)
1714 else if (phba
->link_state
== LPFC_WARM_START
)
1715 state
= "warm start";
1716 else if (phba
->link_state
== LPFC_INIT_START
)
1721 return scnprintf(buf
, PAGE_SIZE
, "%s\n", state
);
1725 * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state
1726 * @dev: class device that is converted into a Scsi_host.
1727 * @attr: device attribute, not used.
1728 * @buf: containing one of the strings "online", "offline", "warm" or "error".
1729 * @count: unused variable.
1732 * -EACCES if enable hba reset not enabled
1733 * -EINVAL if the buffer does not contain a valid string (see above)
1734 * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails
1735 * buf length greater than zero indicates success
1738 lpfc_board_mode_store(struct device
*dev
, struct device_attribute
*attr
,
1739 const char *buf
, size_t count
)
1741 struct Scsi_Host
*shost
= class_to_shost(dev
);
1742 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1743 struct lpfc_hba
*phba
= vport
->phba
;
1744 struct completion online_compl
;
1745 char *board_mode_str
= NULL
;
1749 if (!phba
->cfg_enable_hba_reset
) {
1751 goto board_mode_out
;
1754 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
1755 "3050 lpfc_board_mode set to %s\n", buf
);
1757 init_completion(&online_compl
);
1759 if(strncmp(buf
, "online", sizeof("online") - 1) == 0) {
1760 rc
= lpfc_workq_post_event(phba
, &status
, &online_compl
,
1764 goto board_mode_out
;
1766 wait_for_completion(&online_compl
);
1769 } else if (strncmp(buf
, "offline", sizeof("offline") - 1) == 0)
1770 status
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
1771 else if (strncmp(buf
, "warm", sizeof("warm") - 1) == 0)
1772 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1775 status
= lpfc_do_offline(phba
, LPFC_EVT_WARM_START
);
1776 else if (strncmp(buf
, "error", sizeof("error") - 1) == 0)
1777 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1780 status
= lpfc_do_offline(phba
, LPFC_EVT_KILL
);
1781 else if (strncmp(buf
, "dump", sizeof("dump") - 1) == 0)
1782 status
= lpfc_sli4_pdev_reg_request(phba
, LPFC_FW_DUMP
);
1783 else if (strncmp(buf
, "fw_reset", sizeof("fw_reset") - 1) == 0)
1784 status
= lpfc_sli4_pdev_reg_request(phba
, LPFC_FW_RESET
);
1785 else if (strncmp(buf
, "dv_reset", sizeof("dv_reset") - 1) == 0)
1786 status
= lpfc_sli4_pdev_reg_request(phba
, LPFC_DV_RESET
);
1787 else if (strncmp(buf
, "pci_bus_reset", sizeof("pci_bus_reset") - 1)
1789 status
= lpfc_reset_pci_bus(phba
);
1790 else if (strncmp(buf
, "trunk", sizeof("trunk") - 1) == 0)
1791 status
= lpfc_set_trunking(phba
, (char *)buf
+ sizeof("trunk"));
1799 board_mode_str
= strchr(buf
, '\n');
1801 *board_mode_str
= '\0';
1802 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
1803 "3097 Failed \"%s\", status(%d), "
1805 buf
, status
, phba
->pport
->fc_flag
);
1811 * lpfc_get_hba_info - Return various bits of informaton about the adapter
1812 * @phba: pointer to the adapter structure.
1813 * @mxri: max xri count.
1814 * @axri: available xri count.
1815 * @mrpi: max rpi count.
1816 * @arpi: available rpi count.
1817 * @mvpi: max vpi count.
1818 * @avpi: available vpi count.
1821 * If an integer pointer for an count is not null then the value for the
1822 * count is returned.
1829 lpfc_get_hba_info(struct lpfc_hba
*phba
,
1830 uint32_t *mxri
, uint32_t *axri
,
1831 uint32_t *mrpi
, uint32_t *arpi
,
1832 uint32_t *mvpi
, uint32_t *avpi
)
1834 struct lpfc_mbx_read_config
*rd_config
;
1835 LPFC_MBOXQ_t
*pmboxq
;
1841 * prevent udev from issuing mailbox commands until the port is
1844 if (phba
->link_state
< LPFC_LINK_DOWN
||
1845 !phba
->mbox_mem_pool
||
1846 (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
) == 0)
1849 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
1852 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1855 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
1857 pmb
= &pmboxq
->u
.mb
;
1858 pmb
->mbxCommand
= MBX_READ_CONFIG
;
1859 pmb
->mbxOwner
= OWN_HOST
;
1860 pmboxq
->ctx_buf
= NULL
;
1862 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
1863 rc
= MBX_NOT_FINISHED
;
1865 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
1867 if (rc
!= MBX_SUCCESS
) {
1868 if (rc
!= MBX_TIMEOUT
)
1869 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1873 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
1874 rd_config
= &pmboxq
->u
.mqe
.un
.rd_config
;
1876 *mrpi
= bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
1878 *arpi
= bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
) -
1879 phba
->sli4_hba
.max_cfg_param
.rpi_used
;
1881 *mxri
= bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
1883 *axri
= bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
) -
1884 phba
->sli4_hba
.max_cfg_param
.xri_used
;
1886 /* Account for differences with SLI-3. Get vpi count from
1887 * mailbox data and subtract one for max vpi value.
1889 max_vpi
= (bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
) > 0) ?
1890 (bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
) - 1) : 0;
1892 /* Limit the max we support */
1893 if (max_vpi
> LPFC_MAX_VPI
)
1894 max_vpi
= LPFC_MAX_VPI
;
1898 *avpi
= max_vpi
- phba
->sli4_hba
.max_cfg_param
.vpi_used
;
1901 *mrpi
= pmb
->un
.varRdConfig
.max_rpi
;
1903 *arpi
= pmb
->un
.varRdConfig
.avail_rpi
;
1905 *mxri
= pmb
->un
.varRdConfig
.max_xri
;
1907 *axri
= pmb
->un
.varRdConfig
.avail_xri
;
1909 *mvpi
= pmb
->un
.varRdConfig
.max_vpi
;
1911 /* avail_vpi is only valid if link is up and ready */
1912 if (phba
->link_state
== LPFC_HBA_READY
)
1913 *avpi
= pmb
->un
.varRdConfig
.avail_vpi
;
1915 *avpi
= pmb
->un
.varRdConfig
.max_vpi
;
1919 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1924 * lpfc_max_rpi_show - Return maximum rpi
1925 * @dev: class device that is converted into a Scsi_host.
1926 * @attr: device attribute, not used.
1927 * @buf: on return contains the maximum rpi count in decimal or "Unknown".
1930 * Calls lpfc_get_hba_info() asking for just the mrpi count.
1931 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1932 * to "Unknown" and the buffer length is returned, therefore the caller
1933 * must check for "Unknown" in the buffer to detect a failure.
1935 * Returns: size of formatted string.
1938 lpfc_max_rpi_show(struct device
*dev
, struct device_attribute
*attr
,
1941 struct Scsi_Host
*shost
= class_to_shost(dev
);
1942 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1943 struct lpfc_hba
*phba
= vport
->phba
;
1946 if (lpfc_get_hba_info(phba
, NULL
, NULL
, &cnt
, NULL
, NULL
, NULL
))
1947 return scnprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
1948 return scnprintf(buf
, PAGE_SIZE
, "Unknown\n");
1952 * lpfc_used_rpi_show - Return maximum rpi minus available rpi
1953 * @dev: class device that is converted into a Scsi_host.
1954 * @attr: device attribute, not used.
1955 * @buf: containing the used rpi count in decimal or "Unknown".
1958 * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts.
1959 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1960 * to "Unknown" and the buffer length is returned, therefore the caller
1961 * must check for "Unknown" in the buffer to detect a failure.
1963 * Returns: size of formatted string.
1966 lpfc_used_rpi_show(struct device
*dev
, struct device_attribute
*attr
,
1969 struct Scsi_Host
*shost
= class_to_shost(dev
);
1970 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1971 struct lpfc_hba
*phba
= vport
->phba
;
1974 if (lpfc_get_hba_info(phba
, NULL
, NULL
, &cnt
, &acnt
, NULL
, NULL
))
1975 return scnprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
1976 return scnprintf(buf
, PAGE_SIZE
, "Unknown\n");
1980 * lpfc_max_xri_show - Return maximum xri
1981 * @dev: class device that is converted into a Scsi_host.
1982 * @attr: device attribute, not used.
1983 * @buf: on return contains the maximum xri count in decimal or "Unknown".
1986 * Calls lpfc_get_hba_info() asking for just the mrpi count.
1987 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1988 * to "Unknown" and the buffer length is returned, therefore the caller
1989 * must check for "Unknown" in the buffer to detect a failure.
1991 * Returns: size of formatted string.
1994 lpfc_max_xri_show(struct device
*dev
, struct device_attribute
*attr
,
1997 struct Scsi_Host
*shost
= class_to_shost(dev
);
1998 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1999 struct lpfc_hba
*phba
= vport
->phba
;
2002 if (lpfc_get_hba_info(phba
, &cnt
, NULL
, NULL
, NULL
, NULL
, NULL
))
2003 return scnprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
2004 return scnprintf(buf
, PAGE_SIZE
, "Unknown\n");
2008 * lpfc_used_xri_show - Return maximum xpi minus the available xpi
2009 * @dev: class device that is converted into a Scsi_host.
2010 * @attr: device attribute, not used.
2011 * @buf: on return contains the used xri count in decimal or "Unknown".
2014 * Calls lpfc_get_hba_info() asking for just the mxri and axri counts.
2015 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
2016 * to "Unknown" and the buffer length is returned, therefore the caller
2017 * must check for "Unknown" in the buffer to detect a failure.
2019 * Returns: size of formatted string.
2022 lpfc_used_xri_show(struct device
*dev
, struct device_attribute
*attr
,
2025 struct Scsi_Host
*shost
= class_to_shost(dev
);
2026 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2027 struct lpfc_hba
*phba
= vport
->phba
;
2030 if (lpfc_get_hba_info(phba
, &cnt
, &acnt
, NULL
, NULL
, NULL
, NULL
))
2031 return scnprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
2032 return scnprintf(buf
, PAGE_SIZE
, "Unknown\n");
2036 * lpfc_max_vpi_show - Return maximum vpi
2037 * @dev: class device that is converted into a Scsi_host.
2038 * @attr: device attribute, not used.
2039 * @buf: on return contains the maximum vpi count in decimal or "Unknown".
2042 * Calls lpfc_get_hba_info() asking for just the mvpi count.
2043 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
2044 * to "Unknown" and the buffer length is returned, therefore the caller
2045 * must check for "Unknown" in the buffer to detect a failure.
2047 * Returns: size of formatted string.
2050 lpfc_max_vpi_show(struct device
*dev
, struct device_attribute
*attr
,
2053 struct Scsi_Host
*shost
= class_to_shost(dev
);
2054 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2055 struct lpfc_hba
*phba
= vport
->phba
;
2058 if (lpfc_get_hba_info(phba
, NULL
, NULL
, NULL
, NULL
, &cnt
, NULL
))
2059 return scnprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
2060 return scnprintf(buf
, PAGE_SIZE
, "Unknown\n");
2064 * lpfc_used_vpi_show - Return maximum vpi minus the available vpi
2065 * @dev: class device that is converted into a Scsi_host.
2066 * @attr: device attribute, not used.
2067 * @buf: on return contains the used vpi count in decimal or "Unknown".
2070 * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts.
2071 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
2072 * to "Unknown" and the buffer length is returned, therefore the caller
2073 * must check for "Unknown" in the buffer to detect a failure.
2075 * Returns: size of formatted string.
2078 lpfc_used_vpi_show(struct device
*dev
, struct device_attribute
*attr
,
2081 struct Scsi_Host
*shost
= class_to_shost(dev
);
2082 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2083 struct lpfc_hba
*phba
= vport
->phba
;
2086 if (lpfc_get_hba_info(phba
, NULL
, NULL
, NULL
, NULL
, &cnt
, &acnt
))
2087 return scnprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
2088 return scnprintf(buf
, PAGE_SIZE
, "Unknown\n");
2092 * lpfc_npiv_info_show - Return text about NPIV support for the adapter
2093 * @dev: class device that is converted into a Scsi_host.
2094 * @attr: device attribute, not used.
2095 * @buf: text that must be interpreted to determine if npiv is supported.
2098 * Buffer will contain text indicating npiv is not suppoerted on the port,
2099 * the port is an NPIV physical port, or it is an npiv virtual port with
2100 * the id of the vport.
2102 * Returns: size of formatted string.
2105 lpfc_npiv_info_show(struct device
*dev
, struct device_attribute
*attr
,
2108 struct Scsi_Host
*shost
= class_to_shost(dev
);
2109 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2110 struct lpfc_hba
*phba
= vport
->phba
;
2112 if (!(phba
->max_vpi
))
2113 return scnprintf(buf
, PAGE_SIZE
, "NPIV Not Supported\n");
2114 if (vport
->port_type
== LPFC_PHYSICAL_PORT
)
2115 return scnprintf(buf
, PAGE_SIZE
, "NPIV Physical\n");
2116 return scnprintf(buf
, PAGE_SIZE
, "NPIV Virtual (VPI %d)\n", vport
->vpi
);
2120 * lpfc_poll_show - Return text about poll support for the adapter
2121 * @dev: class device that is converted into a Scsi_host.
2122 * @attr: device attribute, not used.
2123 * @buf: on return contains the cfg_poll in hex.
2126 * cfg_poll should be a lpfc_polling_flags type.
2128 * Returns: size of formatted string.
2131 lpfc_poll_show(struct device
*dev
, struct device_attribute
*attr
,
2134 struct Scsi_Host
*shost
= class_to_shost(dev
);
2135 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2136 struct lpfc_hba
*phba
= vport
->phba
;
2138 return scnprintf(buf
, PAGE_SIZE
, "%#x\n", phba
->cfg_poll
);
2142 * lpfc_poll_store - Set the value of cfg_poll for the adapter
2143 * @dev: class device that is converted into a Scsi_host.
2144 * @attr: device attribute, not used.
2145 * @buf: one or more lpfc_polling_flags values.
2149 * buf contents converted to integer and checked for a valid value.
2152 * -EINVAL if the buffer connot be converted or is out of range
2153 * length of the buf on success
2156 lpfc_poll_store(struct device
*dev
, struct device_attribute
*attr
,
2157 const char *buf
, size_t count
)
2159 struct Scsi_Host
*shost
= class_to_shost(dev
);
2160 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2161 struct lpfc_hba
*phba
= vport
->phba
;
2166 if (!isdigit(buf
[0]))
2169 if (sscanf(buf
, "%i", &val
) != 1)
2172 if ((val
& 0x3) != val
)
2175 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2178 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2179 "3051 lpfc_poll changed from %d to %d\n",
2180 phba
->cfg_poll
, val
);
2182 spin_lock_irq(&phba
->hbalock
);
2184 old_val
= phba
->cfg_poll
;
2186 if (val
& ENABLE_FCP_RING_POLLING
) {
2187 if ((val
& DISABLE_FCP_RING_INT
) &&
2188 !(old_val
& DISABLE_FCP_RING_INT
)) {
2189 if (lpfc_readl(phba
->HCregaddr
, &creg_val
)) {
2190 spin_unlock_irq(&phba
->hbalock
);
2193 creg_val
&= ~(HC_R0INT_ENA
<< LPFC_FCP_RING
);
2194 writel(creg_val
, phba
->HCregaddr
);
2195 readl(phba
->HCregaddr
); /* flush */
2197 lpfc_poll_start_timer(phba
);
2199 } else if (val
!= 0x0) {
2200 spin_unlock_irq(&phba
->hbalock
);
2204 if (!(val
& DISABLE_FCP_RING_INT
) &&
2205 (old_val
& DISABLE_FCP_RING_INT
))
2207 spin_unlock_irq(&phba
->hbalock
);
2208 del_timer(&phba
->fcp_poll_timer
);
2209 spin_lock_irq(&phba
->hbalock
);
2210 if (lpfc_readl(phba
->HCregaddr
, &creg_val
)) {
2211 spin_unlock_irq(&phba
->hbalock
);
2214 creg_val
|= (HC_R0INT_ENA
<< LPFC_FCP_RING
);
2215 writel(creg_val
, phba
->HCregaddr
);
2216 readl(phba
->HCregaddr
); /* flush */
2219 phba
->cfg_poll
= val
;
2221 spin_unlock_irq(&phba
->hbalock
);
2227 * lpfc_sriov_hw_max_virtfn_show - Return maximum number of virtual functions
2228 * @dev: class converted to a Scsi_host structure.
2229 * @attr: device attribute, not used.
2230 * @buf: on return contains the formatted support level.
2233 * Returns the maximum number of virtual functions a physical function can
2234 * support, 0 will be returned if called on virtual function.
2236 * Returns: size of formatted string.
2239 lpfc_sriov_hw_max_virtfn_show(struct device
*dev
,
2240 struct device_attribute
*attr
,
2243 struct Scsi_Host
*shost
= class_to_shost(dev
);
2244 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2245 struct lpfc_hba
*phba
= vport
->phba
;
2246 uint16_t max_nr_virtfn
;
2248 max_nr_virtfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
2249 return scnprintf(buf
, PAGE_SIZE
, "%d\n", max_nr_virtfn
);
2252 static inline bool lpfc_rangecheck(uint val
, uint min
, uint max
)
2254 return val
>= min
&& val
<= max
;
2258 * lpfc_enable_bbcr_set: Sets an attribute value.
2259 * @phba: pointer the the adapter structure.
2260 * @val: integer attribute value.
2263 * Validates the min and max values then sets the
2264 * adapter config field if in the valid range. prints error message
2265 * and does not set the parameter if invalid.
2269 * -EINVAL if val is invalid
2272 lpfc_enable_bbcr_set(struct lpfc_hba
*phba
, uint val
)
2274 if (lpfc_rangecheck(val
, 0, 1) && phba
->sli_rev
== LPFC_SLI_REV4
) {
2275 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2276 "3068 %s_enable_bbcr changed from %d to %d\n",
2277 LPFC_DRIVER_NAME
, phba
->cfg_enable_bbcr
, val
);
2278 phba
->cfg_enable_bbcr
= val
;
2281 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2282 "0451 %s_enable_bbcr cannot set to %d, range is 0, 1\n",
2283 LPFC_DRIVER_NAME
, val
);
2288 * lpfc_param_show - Return a cfg attribute value in decimal
2291 * Macro that given an attr e.g. hba_queue_depth expands
2292 * into a function with the name lpfc_hba_queue_depth_show.
2294 * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field.
2295 * @dev: class device that is converted into a Scsi_host.
2296 * @attr: device attribute, not used.
2297 * @buf: on return contains the attribute value in decimal.
2299 * Returns: size of formatted string.
2301 #define lpfc_param_show(attr) \
2303 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
2306 struct Scsi_Host *shost = class_to_shost(dev);\
2307 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2308 struct lpfc_hba *phba = vport->phba;\
2309 return scnprintf(buf, PAGE_SIZE, "%d\n",\
2314 * lpfc_param_hex_show - Return a cfg attribute value in hex
2317 * Macro that given an attr e.g. hba_queue_depth expands
2318 * into a function with the name lpfc_hba_queue_depth_show
2320 * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field.
2321 * @dev: class device that is converted into a Scsi_host.
2322 * @attr: device attribute, not used.
2323 * @buf: on return contains the attribute value in hexadecimal.
2325 * Returns: size of formatted string.
2327 #define lpfc_param_hex_show(attr) \
2329 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
2332 struct Scsi_Host *shost = class_to_shost(dev);\
2333 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2334 struct lpfc_hba *phba = vport->phba;\
2336 val = phba->cfg_##attr;\
2337 return scnprintf(buf, PAGE_SIZE, "%#x\n",\
2342 * lpfc_param_init - Initializes a cfg attribute
2345 * Macro that given an attr e.g. hba_queue_depth expands
2346 * into a function with the name lpfc_hba_queue_depth_init. The macro also
2347 * takes a default argument, a minimum and maximum argument.
2349 * lpfc_##attr##_init: Initializes an attribute.
2350 * @phba: pointer the the adapter structure.
2351 * @val: integer attribute value.
2353 * Validates the min and max values then sets the adapter config field
2354 * accordingly, or uses the default if out of range and prints an error message.
2358 * -EINVAL if default used
2360 #define lpfc_param_init(attr, default, minval, maxval) \
2362 lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \
2364 if (lpfc_rangecheck(val, minval, maxval)) {\
2365 phba->cfg_##attr = val;\
2368 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
2369 "0449 lpfc_"#attr" attribute cannot be set to %d, "\
2370 "allowed range is ["#minval", "#maxval"]\n", val); \
2371 phba->cfg_##attr = default;\
2376 * lpfc_param_set - Set a cfg attribute value
2379 * Macro that given an attr e.g. hba_queue_depth expands
2380 * into a function with the name lpfc_hba_queue_depth_set
2382 * lpfc_##attr##_set: Sets an attribute value.
2383 * @phba: pointer the the adapter structure.
2384 * @val: integer attribute value.
2387 * Validates the min and max values then sets the
2388 * adapter config field if in the valid range. prints error message
2389 * and does not set the parameter if invalid.
2393 * -EINVAL if val is invalid
2395 #define lpfc_param_set(attr, default, minval, maxval) \
2397 lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \
2399 if (lpfc_rangecheck(val, minval, maxval)) {\
2400 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
2401 "3052 lpfc_" #attr " changed from %d to %d\n", \
2402 phba->cfg_##attr, val); \
2403 phba->cfg_##attr = val;\
2406 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
2407 "0450 lpfc_"#attr" attribute cannot be set to %d, "\
2408 "allowed range is ["#minval", "#maxval"]\n", val); \
2413 * lpfc_param_store - Set a vport attribute value
2416 * Macro that given an attr e.g. hba_queue_depth expands
2417 * into a function with the name lpfc_hba_queue_depth_store.
2419 * lpfc_##attr##_store: Set an sttribute value.
2420 * @dev: class device that is converted into a Scsi_host.
2421 * @attr: device attribute, not used.
2422 * @buf: contains the attribute value in ascii.
2426 * Convert the ascii text number to an integer, then
2427 * use the lpfc_##attr##_set function to set the value.
2430 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
2431 * length of buffer upon success.
2433 #define lpfc_param_store(attr) \
2435 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
2436 const char *buf, size_t count) \
2438 struct Scsi_Host *shost = class_to_shost(dev);\
2439 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2440 struct lpfc_hba *phba = vport->phba;\
2442 if (!isdigit(buf[0]))\
2444 if (sscanf(buf, "%i", &val) != 1)\
2446 if (lpfc_##attr##_set(phba, val) == 0) \
2447 return strlen(buf);\
2453 * lpfc_vport_param_show - Return decimal formatted cfg attribute value
2456 * Macro that given an attr e.g. hba_queue_depth expands
2457 * into a function with the name lpfc_hba_queue_depth_show
2459 * lpfc_##attr##_show: prints the attribute value in decimal.
2460 * @dev: class device that is converted into a Scsi_host.
2461 * @attr: device attribute, not used.
2462 * @buf: on return contains the attribute value in decimal.
2464 * Returns: length of formatted string.
2466 #define lpfc_vport_param_show(attr) \
2468 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
2471 struct Scsi_Host *shost = class_to_shost(dev);\
2472 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2473 return scnprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
2477 * lpfc_vport_param_hex_show - Return hex formatted attribute value
2480 * Macro that given an attr e.g.
2481 * hba_queue_depth expands into a function with the name
2482 * lpfc_hba_queue_depth_show
2484 * lpfc_##attr##_show: prints the attribute value in hexadecimal.
2485 * @dev: class device that is converted into a Scsi_host.
2486 * @attr: device attribute, not used.
2487 * @buf: on return contains the attribute value in hexadecimal.
2489 * Returns: length of formatted string.
2491 #define lpfc_vport_param_hex_show(attr) \
2493 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
2496 struct Scsi_Host *shost = class_to_shost(dev);\
2497 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2498 return scnprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
2502 * lpfc_vport_param_init - Initialize a vport cfg attribute
2505 * Macro that given an attr e.g. hba_queue_depth expands
2506 * into a function with the name lpfc_hba_queue_depth_init. The macro also
2507 * takes a default argument, a minimum and maximum argument.
2509 * lpfc_##attr##_init: validates the min and max values then sets the
2510 * adapter config field accordingly, or uses the default if out of range
2511 * and prints an error message.
2512 * @phba: pointer the the adapter structure.
2513 * @val: integer attribute value.
2517 * -EINVAL if default used
2519 #define lpfc_vport_param_init(attr, default, minval, maxval) \
2521 lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \
2523 if (lpfc_rangecheck(val, minval, maxval)) {\
2524 vport->cfg_##attr = val;\
2527 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
2528 "0423 lpfc_"#attr" attribute cannot be set to %d, "\
2529 "allowed range is ["#minval", "#maxval"]\n", val); \
2530 vport->cfg_##attr = default;\
2535 * lpfc_vport_param_set - Set a vport cfg attribute
2538 * Macro that given an attr e.g. hba_queue_depth expands
2539 * into a function with the name lpfc_hba_queue_depth_set
2541 * lpfc_##attr##_set: validates the min and max values then sets the
2542 * adapter config field if in the valid range. prints error message
2543 * and does not set the parameter if invalid.
2544 * @phba: pointer the the adapter structure.
2545 * @val: integer attribute value.
2549 * -EINVAL if val is invalid
2551 #define lpfc_vport_param_set(attr, default, minval, maxval) \
2553 lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \
2555 if (lpfc_rangecheck(val, minval, maxval)) {\
2556 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
2557 "3053 lpfc_" #attr \
2558 " changed from %d (x%x) to %d (x%x)\n", \
2559 vport->cfg_##attr, vport->cfg_##attr, \
2561 vport->cfg_##attr = val;\
2564 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
2565 "0424 lpfc_"#attr" attribute cannot be set to %d, "\
2566 "allowed range is ["#minval", "#maxval"]\n", val); \
2571 * lpfc_vport_param_store - Set a vport attribute
2574 * Macro that given an attr e.g. hba_queue_depth
2575 * expands into a function with the name lpfc_hba_queue_depth_store
2577 * lpfc_##attr##_store: convert the ascii text number to an integer, then
2578 * use the lpfc_##attr##_set function to set the value.
2579 * @cdev: class device that is converted into a Scsi_host.
2580 * @buf: contains the attribute value in decimal.
2584 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
2585 * length of buffer upon success.
2587 #define lpfc_vport_param_store(attr) \
2589 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
2590 const char *buf, size_t count) \
2592 struct Scsi_Host *shost = class_to_shost(dev);\
2593 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2595 if (!isdigit(buf[0]))\
2597 if (sscanf(buf, "%i", &val) != 1)\
2599 if (lpfc_##attr##_set(vport, val) == 0) \
2600 return strlen(buf);\
2606 static DEVICE_ATTR(nvme_info
, 0444, lpfc_nvme_info_show
, NULL
);
2607 static DEVICE_ATTR(scsi_stat
, 0444, lpfc_scsi_stat_show
, NULL
);
2608 static DEVICE_ATTR(bg_info
, S_IRUGO
, lpfc_bg_info_show
, NULL
);
2609 static DEVICE_ATTR(bg_guard_err
, S_IRUGO
, lpfc_bg_guard_err_show
, NULL
);
2610 static DEVICE_ATTR(bg_apptag_err
, S_IRUGO
, lpfc_bg_apptag_err_show
, NULL
);
2611 static DEVICE_ATTR(bg_reftag_err
, S_IRUGO
, lpfc_bg_reftag_err_show
, NULL
);
2612 static DEVICE_ATTR(info
, S_IRUGO
, lpfc_info_show
, NULL
);
2613 static DEVICE_ATTR(serialnum
, S_IRUGO
, lpfc_serialnum_show
, NULL
);
2614 static DEVICE_ATTR(modeldesc
, S_IRUGO
, lpfc_modeldesc_show
, NULL
);
2615 static DEVICE_ATTR(modelname
, S_IRUGO
, lpfc_modelname_show
, NULL
);
2616 static DEVICE_ATTR(programtype
, S_IRUGO
, lpfc_programtype_show
, NULL
);
2617 static DEVICE_ATTR(portnum
, S_IRUGO
, lpfc_vportnum_show
, NULL
);
2618 static DEVICE_ATTR(fwrev
, S_IRUGO
, lpfc_fwrev_show
, NULL
);
2619 static DEVICE_ATTR(hdw
, S_IRUGO
, lpfc_hdw_show
, NULL
);
2620 static DEVICE_ATTR(link_state
, S_IRUGO
| S_IWUSR
, lpfc_link_state_show
,
2621 lpfc_link_state_store
);
2622 static DEVICE_ATTR(option_rom_version
, S_IRUGO
,
2623 lpfc_option_rom_version_show
, NULL
);
2624 static DEVICE_ATTR(num_discovered_ports
, S_IRUGO
,
2625 lpfc_num_discovered_ports_show
, NULL
);
2626 static DEVICE_ATTR(menlo_mgmt_mode
, S_IRUGO
, lpfc_mlomgmt_show
, NULL
);
2627 static DEVICE_ATTR(nport_evt_cnt
, S_IRUGO
, lpfc_nport_evt_cnt_show
, NULL
);
2628 static DEVICE_ATTR_RO(lpfc_drvr_version
);
2629 static DEVICE_ATTR_RO(lpfc_enable_fip
);
2630 static DEVICE_ATTR(board_mode
, S_IRUGO
| S_IWUSR
,
2631 lpfc_board_mode_show
, lpfc_board_mode_store
);
2632 static DEVICE_ATTR(issue_reset
, S_IWUSR
, NULL
, lpfc_issue_reset
);
2633 static DEVICE_ATTR(max_vpi
, S_IRUGO
, lpfc_max_vpi_show
, NULL
);
2634 static DEVICE_ATTR(used_vpi
, S_IRUGO
, lpfc_used_vpi_show
, NULL
);
2635 static DEVICE_ATTR(max_rpi
, S_IRUGO
, lpfc_max_rpi_show
, NULL
);
2636 static DEVICE_ATTR(used_rpi
, S_IRUGO
, lpfc_used_rpi_show
, NULL
);
2637 static DEVICE_ATTR(max_xri
, S_IRUGO
, lpfc_max_xri_show
, NULL
);
2638 static DEVICE_ATTR(used_xri
, S_IRUGO
, lpfc_used_xri_show
, NULL
);
2639 static DEVICE_ATTR(npiv_info
, S_IRUGO
, lpfc_npiv_info_show
, NULL
);
2640 static DEVICE_ATTR_RO(lpfc_temp_sensor
);
2641 static DEVICE_ATTR_RO(lpfc_sriov_hw_max_virtfn
);
2642 static DEVICE_ATTR(protocol
, S_IRUGO
, lpfc_sli4_protocol_show
, NULL
);
2643 static DEVICE_ATTR(lpfc_xlane_supported
, S_IRUGO
, lpfc_oas_supported_show
,
2646 static char *lpfc_soft_wwn_key
= "C99G71SL8032A";
2649 * lpfc_wwn_set - Convert string to the 8 byte WWN value.
2651 * @cnt: Length of string.
2652 * @wwn: Array to receive converted wwn value.
2655 * -EINVAL if the buffer does not contain a valid wwn
2659 lpfc_wwn_set(const char *buf
, size_t cnt
, char wwn
[])
2663 /* Count may include a LF at end of string */
2664 if (buf
[cnt
-1] == '\n')
2667 if ((cnt
< 16) || (cnt
> 18) || ((cnt
== 17) && (*buf
++ != 'x')) ||
2668 ((cnt
== 18) && ((*buf
++ != '0') || (*buf
++ != 'x'))))
2671 memset(wwn
, 0, WWN_SZ
);
2673 /* Validate and store the new name */
2674 for (i
= 0, j
= 0; i
< 16; i
++) {
2675 if ((*buf
>= 'a') && (*buf
<= 'f'))
2676 j
= ((j
<< 4) | ((*buf
++ - 'a') + 10));
2677 else if ((*buf
>= 'A') && (*buf
<= 'F'))
2678 j
= ((j
<< 4) | ((*buf
++ - 'A') + 10));
2679 else if ((*buf
>= '0') && (*buf
<= '9'))
2680 j
= ((j
<< 4) | (*buf
++ - '0'));
2684 wwn
[i
/2] = j
& 0xff;
2691 * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid
2692 * @dev: class device that is converted into a Scsi_host.
2693 * @attr: device attribute, not used.
2694 * @buf: containing the string lpfc_soft_wwn_key.
2695 * @count: must be size of lpfc_soft_wwn_key.
2698 * -EINVAL if the buffer does not contain lpfc_soft_wwn_key
2699 * length of buf indicates success
2702 lpfc_soft_wwn_enable_store(struct device
*dev
, struct device_attribute
*attr
,
2703 const char *buf
, size_t count
)
2705 struct Scsi_Host
*shost
= class_to_shost(dev
);
2706 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2707 struct lpfc_hba
*phba
= vport
->phba
;
2708 unsigned int cnt
= count
;
2709 uint8_t vvvl
= vport
->fc_sparam
.cmn
.valid_vendor_ver_level
;
2710 u32
*fawwpn_key
= (uint32_t *)&vport
->fc_sparam
.un
.vendorVersion
[0];
2713 * We're doing a simple sanity check for soft_wwpn setting.
2714 * We require that the user write a specific key to enable
2715 * the soft_wwpn attribute to be settable. Once the attribute
2716 * is written, the enable key resets. If further updates are
2717 * desired, the key must be written again to re-enable the
2720 * The "key" is not secret - it is a hardcoded string shown
2721 * here. The intent is to protect against the random user or
2722 * application that is just writing attributes.
2724 if (vvvl
== 1 && cpu_to_be32(*fawwpn_key
) == FAPWWN_KEY_VENDOR
) {
2725 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2726 "0051 "LPFC_DRIVER_NAME
" soft wwpn can not"
2727 " be enabled: fawwpn is enabled\n");
2731 /* count may include a LF at end of string */
2732 if (buf
[cnt
-1] == '\n')
2735 if ((cnt
!= strlen(lpfc_soft_wwn_key
)) ||
2736 (strncmp(buf
, lpfc_soft_wwn_key
, strlen(lpfc_soft_wwn_key
)) != 0))
2739 phba
->soft_wwn_enable
= 1;
2741 dev_printk(KERN_WARNING
, &phba
->pcidev
->dev
,
2742 "lpfc%d: soft_wwpn assignment has been enabled.\n",
2744 dev_printk(KERN_WARNING
, &phba
->pcidev
->dev
,
2745 " The soft_wwpn feature is not supported by Broadcom.");
2749 static DEVICE_ATTR_WO(lpfc_soft_wwn_enable
);
2752 * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter
2753 * @dev: class device that is converted into a Scsi_host.
2754 * @attr: device attribute, not used.
2755 * @buf: on return contains the wwpn in hexadecimal.
2757 * Returns: size of formatted string.
2760 lpfc_soft_wwpn_show(struct device
*dev
, struct device_attribute
*attr
,
2763 struct Scsi_Host
*shost
= class_to_shost(dev
);
2764 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2765 struct lpfc_hba
*phba
= vport
->phba
;
2767 return scnprintf(buf
, PAGE_SIZE
, "0x%llx\n",
2768 (unsigned long long)phba
->cfg_soft_wwpn
);
2772 * lpfc_soft_wwpn_store - Set the ww port name of the adapter
2773 * @dev: class device that is converted into a Scsi_host.
2774 * @attr: device attribute, not used.
2775 * @buf: contains the wwpn in hexadecimal.
2776 * @count: number of wwpn bytes in buf
2779 * -EACCES hba reset not enabled, adapter over temp
2780 * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid
2781 * -EIO error taking adapter offline or online
2782 * value of count on success
2785 lpfc_soft_wwpn_store(struct device
*dev
, struct device_attribute
*attr
,
2786 const char *buf
, size_t count
)
2788 struct Scsi_Host
*shost
= class_to_shost(dev
);
2789 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2790 struct lpfc_hba
*phba
= vport
->phba
;
2791 struct completion online_compl
;
2792 int stat1
= 0, stat2
= 0;
2793 unsigned int cnt
= count
;
2797 if (!phba
->cfg_enable_hba_reset
)
2799 spin_lock_irq(&phba
->hbalock
);
2800 if (phba
->over_temp_state
== HBA_OVER_TEMP
) {
2801 spin_unlock_irq(&phba
->hbalock
);
2804 spin_unlock_irq(&phba
->hbalock
);
2805 /* count may include a LF at end of string */
2806 if (buf
[cnt
-1] == '\n')
2809 if (!phba
->soft_wwn_enable
)
2812 /* lock setting wwpn, wwnn down */
2813 phba
->soft_wwn_enable
= 0;
2815 rc
= lpfc_wwn_set(buf
, cnt
, wwpn
);
2817 /* not able to set wwpn, unlock it */
2818 phba
->soft_wwn_enable
= 1;
2822 phba
->cfg_soft_wwpn
= wwn_to_u64(wwpn
);
2823 fc_host_port_name(shost
) = phba
->cfg_soft_wwpn
;
2824 if (phba
->cfg_soft_wwnn
)
2825 fc_host_node_name(shost
) = phba
->cfg_soft_wwnn
;
2827 dev_printk(KERN_NOTICE
, &phba
->pcidev
->dev
,
2828 "lpfc%d: Reinitializing to use soft_wwpn\n", phba
->brd_no
);
2830 stat1
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
2832 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2833 "0463 lpfc_soft_wwpn attribute set failed to "
2834 "reinit adapter - %d\n", stat1
);
2835 init_completion(&online_compl
);
2836 rc
= lpfc_workq_post_event(phba
, &stat2
, &online_compl
,
2841 wait_for_completion(&online_compl
);
2843 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2844 "0464 lpfc_soft_wwpn attribute set failed to "
2845 "reinit adapter - %d\n", stat2
);
2846 return (stat1
|| stat2
) ? -EIO
: count
;
2848 static DEVICE_ATTR_RW(lpfc_soft_wwpn
);
2851 * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter
2852 * @dev: class device that is converted into a Scsi_host.
2853 * @attr: device attribute, not used.
2854 * @buf: on return contains the wwnn in hexadecimal.
2856 * Returns: size of formatted string.
2859 lpfc_soft_wwnn_show(struct device
*dev
, struct device_attribute
*attr
,
2862 struct Scsi_Host
*shost
= class_to_shost(dev
);
2863 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2864 return scnprintf(buf
, PAGE_SIZE
, "0x%llx\n",
2865 (unsigned long long)phba
->cfg_soft_wwnn
);
2869 * lpfc_soft_wwnn_store - sets the ww node name of the adapter
2870 * @dev: class device that is converted into a Scsi_host.
2871 * @attr: device attribute, not used.
2872 * @buf: contains the ww node name in hexadecimal.
2873 * @count: number of wwnn bytes in buf.
2876 * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid
2877 * value of count on success
2880 lpfc_soft_wwnn_store(struct device
*dev
, struct device_attribute
*attr
,
2881 const char *buf
, size_t count
)
2883 struct Scsi_Host
*shost
= class_to_shost(dev
);
2884 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2885 unsigned int cnt
= count
;
2889 /* count may include a LF at end of string */
2890 if (buf
[cnt
-1] == '\n')
2893 if (!phba
->soft_wwn_enable
)
2896 rc
= lpfc_wwn_set(buf
, cnt
, wwnn
);
2898 /* Allow wwnn to be set many times, as long as the enable
2899 * is set. However, once the wwpn is set, everything locks.
2904 phba
->cfg_soft_wwnn
= wwn_to_u64(wwnn
);
2906 dev_printk(KERN_NOTICE
, &phba
->pcidev
->dev
,
2907 "lpfc%d: soft_wwnn set. Value will take effect upon "
2908 "setting of the soft_wwpn\n", phba
->brd_no
);
2912 static DEVICE_ATTR_RW(lpfc_soft_wwnn
);
2915 * lpfc_oas_tgt_show - Return wwpn of target whose luns maybe enabled for
2916 * Optimized Access Storage (OAS) operations.
2917 * @dev: class device that is converted into a Scsi_host.
2918 * @attr: device attribute, not used.
2919 * @buf: buffer for passing information.
2925 lpfc_oas_tgt_show(struct device
*dev
, struct device_attribute
*attr
,
2928 struct Scsi_Host
*shost
= class_to_shost(dev
);
2929 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2931 return scnprintf(buf
, PAGE_SIZE
, "0x%llx\n",
2932 wwn_to_u64(phba
->cfg_oas_tgt_wwpn
));
2936 * lpfc_oas_tgt_store - Store wwpn of target whose luns maybe enabled for
2937 * Optimized Access Storage (OAS) operations.
2938 * @dev: class device that is converted into a Scsi_host.
2939 * @attr: device attribute, not used.
2940 * @buf: buffer for passing information.
2941 * @count: Size of the data buffer.
2944 * -EINVAL count is invalid, invalid wwpn byte invalid
2945 * -EPERM oas is not supported by hba
2946 * value of count on success
2949 lpfc_oas_tgt_store(struct device
*dev
, struct device_attribute
*attr
,
2950 const char *buf
, size_t count
)
2952 struct Scsi_Host
*shost
= class_to_shost(dev
);
2953 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2954 unsigned int cnt
= count
;
2955 uint8_t wwpn
[WWN_SZ
];
2961 /* count may include a LF at end of string */
2962 if (buf
[cnt
-1] == '\n')
2965 rc
= lpfc_wwn_set(buf
, cnt
, wwpn
);
2969 memcpy(phba
->cfg_oas_tgt_wwpn
, wwpn
, (8 * sizeof(uint8_t)));
2970 memcpy(phba
->sli4_hba
.oas_next_tgt_wwpn
, wwpn
, (8 * sizeof(uint8_t)));
2971 if (wwn_to_u64(wwpn
) == 0)
2972 phba
->cfg_oas_flags
|= OAS_FIND_ANY_TARGET
;
2974 phba
->cfg_oas_flags
&= ~OAS_FIND_ANY_TARGET
;
2975 phba
->cfg_oas_flags
&= ~OAS_LUN_VALID
;
2976 phba
->sli4_hba
.oas_next_lun
= FIND_FIRST_OAS_LUN
;
2979 static DEVICE_ATTR(lpfc_xlane_tgt
, S_IRUGO
| S_IWUSR
,
2980 lpfc_oas_tgt_show
, lpfc_oas_tgt_store
);
2983 * lpfc_oas_priority_show - Return wwpn of target whose luns maybe enabled for
2984 * Optimized Access Storage (OAS) operations.
2985 * @dev: class device that is converted into a Scsi_host.
2986 * @attr: device attribute, not used.
2987 * @buf: buffer for passing information.
2993 lpfc_oas_priority_show(struct device
*dev
, struct device_attribute
*attr
,
2996 struct Scsi_Host
*shost
= class_to_shost(dev
);
2997 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2999 return scnprintf(buf
, PAGE_SIZE
, "%d\n", phba
->cfg_oas_priority
);
3003 * lpfc_oas_priority_store - Store wwpn of target whose luns maybe enabled for
3004 * Optimized Access Storage (OAS) operations.
3005 * @dev: class device that is converted into a Scsi_host.
3006 * @attr: device attribute, not used.
3007 * @buf: buffer for passing information.
3008 * @count: Size of the data buffer.
3011 * -EINVAL count is invalid, invalid wwpn byte invalid
3012 * -EPERM oas is not supported by hba
3013 * value of count on success
3016 lpfc_oas_priority_store(struct device
*dev
, struct device_attribute
*attr
,
3017 const char *buf
, size_t count
)
3019 struct Scsi_Host
*shost
= class_to_shost(dev
);
3020 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3021 unsigned int cnt
= count
;
3028 /* count may include a LF at end of string */
3029 if (buf
[cnt
-1] == '\n')
3032 ret
= kstrtoul(buf
, 0, &val
);
3033 if (ret
|| (val
> 0x7f))
3037 phba
->cfg_oas_priority
= (uint8_t)val
;
3039 phba
->cfg_oas_priority
= phba
->cfg_XLanePriority
;
3042 static DEVICE_ATTR(lpfc_xlane_priority
, S_IRUGO
| S_IWUSR
,
3043 lpfc_oas_priority_show
, lpfc_oas_priority_store
);
3046 * lpfc_oas_vpt_show - Return wwpn of vport whose targets maybe enabled
3047 * for Optimized Access Storage (OAS) operations.
3048 * @dev: class device that is converted into a Scsi_host.
3049 * @attr: device attribute, not used.
3050 * @buf: buffer for passing information.
3053 * value of count on success
3056 lpfc_oas_vpt_show(struct device
*dev
, struct device_attribute
*attr
,
3059 struct Scsi_Host
*shost
= class_to_shost(dev
);
3060 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3062 return scnprintf(buf
, PAGE_SIZE
, "0x%llx\n",
3063 wwn_to_u64(phba
->cfg_oas_vpt_wwpn
));
3067 * lpfc_oas_vpt_store - Store wwpn of vport whose targets maybe enabled
3068 * for Optimized Access Storage (OAS) operations.
3069 * @dev: class device that is converted into a Scsi_host.
3070 * @attr: device attribute, not used.
3071 * @buf: buffer for passing information.
3072 * @count: Size of the data buffer.
3075 * -EINVAL count is invalid, invalid wwpn byte invalid
3076 * -EPERM oas is not supported by hba
3077 * value of count on success
3080 lpfc_oas_vpt_store(struct device
*dev
, struct device_attribute
*attr
,
3081 const char *buf
, size_t count
)
3083 struct Scsi_Host
*shost
= class_to_shost(dev
);
3084 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3085 unsigned int cnt
= count
;
3086 uint8_t wwpn
[WWN_SZ
];
3092 /* count may include a LF at end of string */
3093 if (buf
[cnt
-1] == '\n')
3096 rc
= lpfc_wwn_set(buf
, cnt
, wwpn
);
3100 memcpy(phba
->cfg_oas_vpt_wwpn
, wwpn
, (8 * sizeof(uint8_t)));
3101 memcpy(phba
->sli4_hba
.oas_next_vpt_wwpn
, wwpn
, (8 * sizeof(uint8_t)));
3102 if (wwn_to_u64(wwpn
) == 0)
3103 phba
->cfg_oas_flags
|= OAS_FIND_ANY_VPORT
;
3105 phba
->cfg_oas_flags
&= ~OAS_FIND_ANY_VPORT
;
3106 phba
->cfg_oas_flags
&= ~OAS_LUN_VALID
;
3107 if (phba
->cfg_oas_priority
== 0)
3108 phba
->cfg_oas_priority
= phba
->cfg_XLanePriority
;
3109 phba
->sli4_hba
.oas_next_lun
= FIND_FIRST_OAS_LUN
;
3112 static DEVICE_ATTR(lpfc_xlane_vpt
, S_IRUGO
| S_IWUSR
,
3113 lpfc_oas_vpt_show
, lpfc_oas_vpt_store
);
3116 * lpfc_oas_lun_state_show - Return the current state (enabled or disabled)
3117 * of whether luns will be enabled or disabled
3118 * for Optimized Access Storage (OAS) operations.
3119 * @dev: class device that is converted into a Scsi_host.
3120 * @attr: device attribute, not used.
3121 * @buf: buffer for passing information.
3124 * size of formatted string.
3127 lpfc_oas_lun_state_show(struct device
*dev
, struct device_attribute
*attr
,
3130 struct Scsi_Host
*shost
= class_to_shost(dev
);
3131 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3133 return scnprintf(buf
, PAGE_SIZE
, "%d\n", phba
->cfg_oas_lun_state
);
3137 * lpfc_oas_lun_state_store - Store the state (enabled or disabled)
3138 * of whether luns will be enabled or disabled
3139 * for Optimized Access Storage (OAS) operations.
3140 * @dev: class device that is converted into a Scsi_host.
3141 * @attr: device attribute, not used.
3142 * @buf: buffer for passing information.
3143 * @count: Size of the data buffer.
3146 * -EINVAL count is invalid, invalid wwpn byte invalid
3147 * -EPERM oas is not supported by hba
3148 * value of count on success
3151 lpfc_oas_lun_state_store(struct device
*dev
, struct device_attribute
*attr
,
3152 const char *buf
, size_t count
)
3154 struct Scsi_Host
*shost
= class_to_shost(dev
);
3155 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3161 if (!isdigit(buf
[0]))
3164 if (sscanf(buf
, "%i", &val
) != 1)
3167 if ((val
!= 0) && (val
!= 1))
3170 phba
->cfg_oas_lun_state
= val
;
3173 static DEVICE_ATTR(lpfc_xlane_lun_state
, S_IRUGO
| S_IWUSR
,
3174 lpfc_oas_lun_state_show
, lpfc_oas_lun_state_store
);
3177 * lpfc_oas_lun_status_show - Return the status of the Optimized Access
3178 * Storage (OAS) lun returned by the
3179 * lpfc_oas_lun_show function.
3180 * @dev: class device that is converted into a Scsi_host.
3181 * @attr: device attribute, not used.
3182 * @buf: buffer for passing information.
3185 * size of formatted string.
3188 lpfc_oas_lun_status_show(struct device
*dev
, struct device_attribute
*attr
,
3191 struct Scsi_Host
*shost
= class_to_shost(dev
);
3192 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3194 if (!(phba
->cfg_oas_flags
& OAS_LUN_VALID
))
3197 return scnprintf(buf
, PAGE_SIZE
, "%d\n", phba
->cfg_oas_lun_status
);
3199 static DEVICE_ATTR(lpfc_xlane_lun_status
, S_IRUGO
,
3200 lpfc_oas_lun_status_show
, NULL
);
3204 * lpfc_oas_lun_state_set - enable or disable a lun for Optimized Access Storage
3206 * @phba: lpfc_hba pointer.
3207 * @vpt_wwpn: wwpn of the vport associated with the returned lun
3208 * @tgt_wwpn: wwpn of the target associated with the returned lun
3209 * @lun: the fc lun for setting oas state.
3210 * @oas_state: the oas state to be set to the lun.
3215 * -EPERM OAS is not enabled or not supported by this port.
3219 lpfc_oas_lun_state_set(struct lpfc_hba
*phba
, uint8_t vpt_wwpn
[],
3220 uint8_t tgt_wwpn
[], uint64_t lun
,
3221 uint32_t oas_state
, uint8_t pri
)
3230 if (!lpfc_enable_oas_lun(phba
, (struct lpfc_name
*)vpt_wwpn
,
3231 (struct lpfc_name
*)tgt_wwpn
,
3235 lpfc_disable_oas_lun(phba
, (struct lpfc_name
*)vpt_wwpn
,
3236 (struct lpfc_name
*)tgt_wwpn
, lun
, pri
);
3243 * lpfc_oas_lun_get_next - get the next lun that has been enabled for Optimized
3244 * Access Storage (OAS) operations.
3245 * @phba: lpfc_hba pointer.
3246 * @vpt_wwpn: wwpn of the vport associated with the returned lun
3247 * @tgt_wwpn: wwpn of the target associated with the returned lun
3248 * @lun_status: status of the lun returned lun
3249 * @lun_pri: priority of the lun returned lun
3251 * Returns the first or next lun enabled for OAS operations for the vport/target
3252 * specified. If a lun is found, its vport wwpn, target wwpn and status is
3253 * returned. If the lun is not found, NOT_OAS_ENABLED_LUN is returned.
3256 * lun that is OAS enabled for the vport/target
3257 * NOT_OAS_ENABLED_LUN when no oas enabled lun found.
3260 lpfc_oas_lun_get_next(struct lpfc_hba
*phba
, uint8_t vpt_wwpn
[],
3261 uint8_t tgt_wwpn
[], uint32_t *lun_status
,
3266 if (unlikely(!phba
) || !vpt_wwpn
|| !tgt_wwpn
)
3267 return NOT_OAS_ENABLED_LUN
;
3268 if (lpfc_find_next_oas_lun(phba
, (struct lpfc_name
*)
3269 phba
->sli4_hba
.oas_next_vpt_wwpn
,
3270 (struct lpfc_name
*)
3271 phba
->sli4_hba
.oas_next_tgt_wwpn
,
3272 &phba
->sli4_hba
.oas_next_lun
,
3273 (struct lpfc_name
*)vpt_wwpn
,
3274 (struct lpfc_name
*)tgt_wwpn
,
3275 &found_lun
, lun_status
, lun_pri
))
3278 return NOT_OAS_ENABLED_LUN
;
3282 * lpfc_oas_lun_state_change - enable/disable a lun for OAS operations
3283 * @phba: lpfc_hba pointer.
3284 * @vpt_wwpn: vport wwpn by reference.
3285 * @tgt_wwpn: target wwpn by reference.
3286 * @lun: the fc lun for setting oas state.
3287 * @oas_state: the oas state to be set to the oas_lun.
3290 * This routine enables (OAS_LUN_ENABLE) or disables (OAS_LUN_DISABLE)
3291 * a lun for OAS operations.
3295 * -ENOMEM: failed to enable an lun for OAS operations
3296 * -EPERM: OAS is not enabled
3299 lpfc_oas_lun_state_change(struct lpfc_hba
*phba
, uint8_t vpt_wwpn
[],
3300 uint8_t tgt_wwpn
[], uint64_t lun
,
3301 uint32_t oas_state
, uint8_t pri
)
3306 rc
= lpfc_oas_lun_state_set(phba
, vpt_wwpn
, tgt_wwpn
, lun
,
3312 * lpfc_oas_lun_show - Return oas enabled luns from a chosen target
3313 * @dev: class device that is converted into a Scsi_host.
3314 * @attr: device attribute, not used.
3315 * @buf: buffer for passing information.
3317 * This routine returns a lun enabled for OAS each time the function
3321 * SUCCESS: size of formatted string.
3322 * -EFAULT: target or vport wwpn was not set properly.
3323 * -EPERM: oas is not enabled.
3326 lpfc_oas_lun_show(struct device
*dev
, struct device_attribute
*attr
,
3329 struct Scsi_Host
*shost
= class_to_shost(dev
);
3330 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3338 if (wwn_to_u64(phba
->cfg_oas_vpt_wwpn
) == 0)
3339 if (!(phba
->cfg_oas_flags
& OAS_FIND_ANY_VPORT
))
3342 if (wwn_to_u64(phba
->cfg_oas_tgt_wwpn
) == 0)
3343 if (!(phba
->cfg_oas_flags
& OAS_FIND_ANY_TARGET
))
3346 oas_lun
= lpfc_oas_lun_get_next(phba
, phba
->cfg_oas_vpt_wwpn
,
3347 phba
->cfg_oas_tgt_wwpn
,
3348 &phba
->cfg_oas_lun_status
,
3349 &phba
->cfg_oas_priority
);
3350 if (oas_lun
!= NOT_OAS_ENABLED_LUN
)
3351 phba
->cfg_oas_flags
|= OAS_LUN_VALID
;
3353 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
, "0x%llx", oas_lun
);
3359 * lpfc_oas_lun_store - Sets the OAS state for lun
3360 * @dev: class device that is converted into a Scsi_host.
3361 * @attr: device attribute, not used.
3362 * @buf: buffer for passing information.
3363 * @count: size of the formatting string
3365 * This function sets the OAS state for lun. Before this function is called,
3366 * the vport wwpn, target wwpn, and oas state need to be set.
3369 * SUCCESS: size of formatted string.
3370 * -EFAULT: target or vport wwpn was not set properly.
3371 * -EPERM: oas is not enabled.
3372 * size of formatted string.
3375 lpfc_oas_lun_store(struct device
*dev
, struct device_attribute
*attr
,
3376 const char *buf
, size_t count
)
3378 struct Scsi_Host
*shost
= class_to_shost(dev
);
3379 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3387 if (wwn_to_u64(phba
->cfg_oas_vpt_wwpn
) == 0)
3390 if (wwn_to_u64(phba
->cfg_oas_tgt_wwpn
) == 0)
3393 if (!isdigit(buf
[0]))
3396 if (sscanf(buf
, "0x%llx", &scsi_lun
) != 1)
3399 pri
= phba
->cfg_oas_priority
;
3401 pri
= phba
->cfg_XLanePriority
;
3403 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3404 "3372 Try to set vport 0x%llx target 0x%llx lun:0x%llx "
3405 "priority 0x%x with oas state %d\n",
3406 wwn_to_u64(phba
->cfg_oas_vpt_wwpn
),
3407 wwn_to_u64(phba
->cfg_oas_tgt_wwpn
), scsi_lun
,
3408 pri
, phba
->cfg_oas_lun_state
);
3410 rc
= lpfc_oas_lun_state_change(phba
, phba
->cfg_oas_vpt_wwpn
,
3411 phba
->cfg_oas_tgt_wwpn
, scsi_lun
,
3412 phba
->cfg_oas_lun_state
, pri
);
3418 static DEVICE_ATTR(lpfc_xlane_lun
, S_IRUGO
| S_IWUSR
,
3419 lpfc_oas_lun_show
, lpfc_oas_lun_store
);
3421 int lpfc_enable_nvmet_cnt
;
3422 unsigned long long lpfc_enable_nvmet
[LPFC_NVMET_MAX_PORTS
] = {
3423 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
3424 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
3425 module_param_array(lpfc_enable_nvmet
, ullong
, &lpfc_enable_nvmet_cnt
, 0444);
3426 MODULE_PARM_DESC(lpfc_enable_nvmet
, "Enable HBA port(s) WWPN as a NVME Target");
3428 static int lpfc_poll
= 0;
3429 module_param(lpfc_poll
, int, S_IRUGO
);
3430 MODULE_PARM_DESC(lpfc_poll
, "FCP ring polling mode control:"
3432 " 1 - poll with interrupts enabled"
3433 " 3 - poll and disable FCP ring interrupts");
3435 static DEVICE_ATTR_RW(lpfc_poll
);
3437 int lpfc_no_hba_reset_cnt
;
3438 unsigned long lpfc_no_hba_reset
[MAX_HBAS_NO_RESET
] = {
3439 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
3440 module_param_array(lpfc_no_hba_reset
, ulong
, &lpfc_no_hba_reset_cnt
, 0444);
3441 MODULE_PARM_DESC(lpfc_no_hba_reset
, "WWPN of HBAs that should not be reset");
3443 LPFC_ATTR(sli_mode
, 0, 0, 3,
3444 "SLI mode selector:"
3445 " 0 - auto (SLI-3 if supported),"
3446 " 2 - select SLI-2 even on SLI-3 capable HBAs,"
3447 " 3 - select SLI-3");
3449 LPFC_ATTR_R(enable_npiv
, 1, 0, 1,
3450 "Enable NPIV functionality");
3452 LPFC_ATTR_R(fcf_failover_policy
, 1, 1, 2,
3453 "FCF Fast failover=1 Priority failover=2");
3456 # lpfc_enable_rrq: Track XRI/OXID reuse after IO failures
3457 # 0x0 = disabled, XRI/OXID use not tracked.
3458 # 0x1 = XRI/OXID reuse is timed with ratov, RRQ sent.
3459 # 0x2 = XRI/OXID reuse is timed with ratov, No RRQ sent.
3461 LPFC_ATTR_R(enable_rrq
, 2, 0, 2,
3462 "Enable RRQ functionality");
3465 # lpfc_suppress_link_up: Bring link up at initialization
3466 # 0x0 = bring link up (issue MBX_INIT_LINK)
3467 # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK)
3468 # 0x2 = never bring up link
3469 # Default value is 0.
3471 LPFC_ATTR_R(suppress_link_up
, LPFC_INITIALIZE_LINK
, LPFC_INITIALIZE_LINK
,
3472 LPFC_DELAY_INIT_LINK_INDEFINITELY
,
3473 "Suppress Link Up at initialization");
3476 lpfc_pls_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
3478 struct Scsi_Host
*shost
= class_to_shost(dev
);
3479 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3481 return scnprintf(buf
, PAGE_SIZE
, "%d\n",
3482 phba
->sli4_hba
.pc_sli4_params
.pls
);
3484 static DEVICE_ATTR(pls
, 0444,
3485 lpfc_pls_show
, NULL
);
3488 lpfc_pt_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
3490 struct Scsi_Host
*shost
= class_to_shost(dev
);
3491 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3493 return scnprintf(buf
, PAGE_SIZE
, "%d\n",
3494 (phba
->hba_flag
& HBA_PERSISTENT_TOPO
) ? 1 : 0);
3496 static DEVICE_ATTR(pt
, 0444,
3497 lpfc_pt_show
, NULL
);
3500 # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS
3508 lpfc_iocb_hw_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
3510 struct Scsi_Host
*shost
= class_to_shost(dev
);
3511 struct lpfc_hba
*phba
= ((struct lpfc_vport
*) shost
->hostdata
)->phba
;
3513 return scnprintf(buf
, PAGE_SIZE
, "%d\n", phba
->iocb_max
);
3516 static DEVICE_ATTR(iocb_hw
, S_IRUGO
,
3517 lpfc_iocb_hw_show
, NULL
);
3519 lpfc_txq_hw_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
3521 struct Scsi_Host
*shost
= class_to_shost(dev
);
3522 struct lpfc_hba
*phba
= ((struct lpfc_vport
*) shost
->hostdata
)->phba
;
3523 struct lpfc_sli_ring
*pring
= lpfc_phba_elsring(phba
);
3525 return scnprintf(buf
, PAGE_SIZE
, "%d\n",
3526 pring
? pring
->txq_max
: 0);
3529 static DEVICE_ATTR(txq_hw
, S_IRUGO
,
3530 lpfc_txq_hw_show
, NULL
);
3532 lpfc_txcmplq_hw_show(struct device
*dev
, struct device_attribute
*attr
,
3535 struct Scsi_Host
*shost
= class_to_shost(dev
);
3536 struct lpfc_hba
*phba
= ((struct lpfc_vport
*) shost
->hostdata
)->phba
;
3537 struct lpfc_sli_ring
*pring
= lpfc_phba_elsring(phba
);
3539 return scnprintf(buf
, PAGE_SIZE
, "%d\n",
3540 pring
? pring
->txcmplq_max
: 0);
3543 static DEVICE_ATTR(txcmplq_hw
, S_IRUGO
,
3544 lpfc_txcmplq_hw_show
, NULL
);
3547 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
3548 # until the timer expires. Value range is [0,255]. Default value is 30.
3550 static int lpfc_nodev_tmo
= LPFC_DEF_DEVLOSS_TMO
;
3551 static int lpfc_devloss_tmo
= LPFC_DEF_DEVLOSS_TMO
;
3552 module_param(lpfc_nodev_tmo
, int, 0);
3553 MODULE_PARM_DESC(lpfc_nodev_tmo
,
3554 "Seconds driver will hold I/O waiting "
3555 "for a device to come back");
3558 * lpfc_nodev_tmo_show - Return the hba dev loss timeout value
3559 * @dev: class converted to a Scsi_host structure.
3560 * @attr: device attribute, not used.
3561 * @buf: on return contains the dev loss timeout in decimal.
3563 * Returns: size of formatted string.
3566 lpfc_nodev_tmo_show(struct device
*dev
, struct device_attribute
*attr
,
3569 struct Scsi_Host
*shost
= class_to_shost(dev
);
3570 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3572 return scnprintf(buf
, PAGE_SIZE
, "%d\n", vport
->cfg_devloss_tmo
);
3576 * lpfc_nodev_tmo_init - Set the hba nodev timeout value
3577 * @vport: lpfc vport structure pointer.
3578 * @val: contains the nodev timeout value.
3581 * If the devloss tmo is already set then nodev tmo is set to devloss tmo,
3582 * a kernel error message is printed and zero is returned.
3583 * Else if val is in range then nodev tmo and devloss tmo are set to val.
3584 * Otherwise nodev tmo is set to the default value.
3587 * zero if already set or if val is in range
3588 * -EINVAL val out of range
3591 lpfc_nodev_tmo_init(struct lpfc_vport
*vport
, int val
)
3593 if (vport
->cfg_devloss_tmo
!= LPFC_DEF_DEVLOSS_TMO
) {
3594 vport
->cfg_nodev_tmo
= vport
->cfg_devloss_tmo
;
3595 if (val
!= LPFC_DEF_DEVLOSS_TMO
)
3596 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3597 "0407 Ignoring lpfc_nodev_tmo module "
3598 "parameter because lpfc_devloss_tmo "
3603 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
3604 vport
->cfg_nodev_tmo
= val
;
3605 vport
->cfg_devloss_tmo
= val
;
3608 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3609 "0400 lpfc_nodev_tmo attribute cannot be set to"
3610 " %d, allowed range is [%d, %d]\n",
3611 val
, LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
);
3612 vport
->cfg_nodev_tmo
= LPFC_DEF_DEVLOSS_TMO
;
3617 * lpfc_update_rport_devloss_tmo - Update dev loss tmo value
3618 * @vport: lpfc vport structure pointer.
3621 * Update all the ndlp's dev loss tmo with the vport devloss tmo value.
3624 lpfc_update_rport_devloss_tmo(struct lpfc_vport
*vport
)
3626 struct Scsi_Host
*shost
;
3627 struct lpfc_nodelist
*ndlp
;
3628 #if (IS_ENABLED(CONFIG_NVME_FC))
3629 struct lpfc_nvme_rport
*rport
;
3630 struct nvme_fc_remote_port
*remoteport
= NULL
;
3633 shost
= lpfc_shost_from_vport(vport
);
3634 spin_lock_irq(shost
->host_lock
);
3635 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
3637 ndlp
->rport
->dev_loss_tmo
= vport
->cfg_devloss_tmo
;
3638 #if (IS_ENABLED(CONFIG_NVME_FC))
3639 spin_lock(&ndlp
->lock
);
3640 rport
= lpfc_ndlp_get_nrport(ndlp
);
3642 remoteport
= rport
->remoteport
;
3643 spin_unlock(&ndlp
->lock
);
3644 if (rport
&& remoteport
)
3645 nvme_fc_set_remoteport_devloss(remoteport
,
3646 vport
->cfg_devloss_tmo
);
3649 spin_unlock_irq(shost
->host_lock
);
3653 * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values
3654 * @vport: lpfc vport structure pointer.
3655 * @val: contains the tmo value.
3658 * If the devloss tmo is already set or the vport dev loss tmo has changed
3659 * then a kernel error message is printed and zero is returned.
3660 * Else if val is in range then nodev tmo and devloss tmo are set to val.
3661 * Otherwise nodev tmo is set to the default value.
3664 * zero if already set or if val is in range
3665 * -EINVAL val out of range
3668 lpfc_nodev_tmo_set(struct lpfc_vport
*vport
, int val
)
3670 if (vport
->dev_loss_tmo_changed
||
3671 (lpfc_devloss_tmo
!= LPFC_DEF_DEVLOSS_TMO
)) {
3672 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3673 "0401 Ignoring change to lpfc_nodev_tmo "
3674 "because lpfc_devloss_tmo is set.\n");
3677 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
3678 vport
->cfg_nodev_tmo
= val
;
3679 vport
->cfg_devloss_tmo
= val
;
3681 * For compat: set the fc_host dev loss so new rports
3682 * will get the value.
3684 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport
)) = val
;
3685 lpfc_update_rport_devloss_tmo(vport
);
3688 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3689 "0403 lpfc_nodev_tmo attribute cannot be set to "
3690 "%d, allowed range is [%d, %d]\n",
3691 val
, LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
);
3695 lpfc_vport_param_store(nodev_tmo
)
3697 static DEVICE_ATTR_RW(lpfc_nodev_tmo
);
3700 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
3701 # disappear until the timer expires. Value range is [0,255]. Default
3704 module_param(lpfc_devloss_tmo
, int, S_IRUGO
);
3705 MODULE_PARM_DESC(lpfc_devloss_tmo
,
3706 "Seconds driver will hold I/O waiting "
3707 "for a device to come back");
3708 lpfc_vport_param_init(devloss_tmo
, LPFC_DEF_DEVLOSS_TMO
,
3709 LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
)
3710 lpfc_vport_param_show(devloss_tmo
)
3713 * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit
3714 * @vport: lpfc vport structure pointer.
3715 * @val: contains the tmo value.
3718 * If val is in a valid range then set the vport nodev tmo,
3719 * devloss tmo, also set the vport dev loss tmo changed flag.
3720 * Else a kernel error message is printed.
3723 * zero if val is in range
3724 * -EINVAL val out of range
3727 lpfc_devloss_tmo_set(struct lpfc_vport
*vport
, int val
)
3729 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
3730 vport
->cfg_nodev_tmo
= val
;
3731 vport
->cfg_devloss_tmo
= val
;
3732 vport
->dev_loss_tmo_changed
= 1;
3733 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport
)) = val
;
3734 lpfc_update_rport_devloss_tmo(vport
);
3738 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3739 "0404 lpfc_devloss_tmo attribute cannot be set to "
3740 "%d, allowed range is [%d, %d]\n",
3741 val
, LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
);
3745 lpfc_vport_param_store(devloss_tmo
)
3746 static DEVICE_ATTR_RW(lpfc_devloss_tmo
);
3749 * lpfc_suppress_rsp: Enable suppress rsp feature is firmware supports it
3750 * lpfc_suppress_rsp = 0 Disable
3751 * lpfc_suppress_rsp = 1 Enable (default)
3754 LPFC_ATTR_R(suppress_rsp
, 1, 0, 1,
3755 "Enable suppress rsp feature is firmware supports it");
3758 * lpfc_nvmet_mrq: Specify number of RQ pairs for processing NVMET cmds
3759 * lpfc_nvmet_mrq = 0 driver will calcualte optimal number of RQ pairs
3760 * lpfc_nvmet_mrq = 1 use a single RQ pair
3761 * lpfc_nvmet_mrq >= 2 use specified RQ pairs for MRQ
3764 LPFC_ATTR_R(nvmet_mrq
,
3765 LPFC_NVMET_MRQ_AUTO
, LPFC_NVMET_MRQ_AUTO
, LPFC_NVMET_MRQ_MAX
,
3766 "Specify number of RQ pairs for processing NVMET cmds");
3769 * lpfc_nvmet_mrq_post: Specify number of RQ buffer to initially post
3770 * to each NVMET RQ. Range 64 to 2048, default is 512.
3772 LPFC_ATTR_R(nvmet_mrq_post
,
3773 LPFC_NVMET_RQE_DEF_POST
, LPFC_NVMET_RQE_MIN_POST
,
3774 LPFC_NVMET_RQE_DEF_COUNT
,
3775 "Specify number of RQ buffers to initially post");
3778 * lpfc_enable_fc4_type: Defines what FC4 types are supported.
3779 * Supported Values: 1 - register just FCP
3780 * 3 - register both FCP and NVME
3781 * Supported values are [1,3]. Default value is 3
3783 LPFC_ATTR_R(enable_fc4_type
, LPFC_ENABLE_BOTH
,
3784 LPFC_ENABLE_FCP
, LPFC_ENABLE_BOTH
,
3785 "Enable FC4 Protocol support - FCP / NVME");
3788 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
3789 # deluged with LOTS of information.
3790 # You can set a bit mask to record specific types of verbose messages:
3791 # See lpfc_logmsh.h for definitions.
3793 LPFC_VPORT_ATTR_HEX_RW(log_verbose
, 0x0, 0x0, 0xffffffff,
3794 "Verbose logging bit-mask");
3797 # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters
3798 # objects that have been registered with the nameserver after login.
3800 LPFC_VPORT_ATTR_R(enable_da_id
, 1, 0, 1,
3801 "Deregister nameserver objects before LOGO");
3804 # lun_queue_depth: This parameter is used to limit the number of outstanding
3805 # commands per FCP LUN.
3807 LPFC_VPORT_ATTR_R(lun_queue_depth
, 64, 1, 512,
3808 "Max number of FCP commands we can queue to a specific LUN");
3811 # tgt_queue_depth: This parameter is used to limit the number of outstanding
3812 # commands per target port. Value range is [10,65535]. Default value is 65535.
3814 static uint lpfc_tgt_queue_depth
= LPFC_MAX_TGT_QDEPTH
;
3815 module_param(lpfc_tgt_queue_depth
, uint
, 0444);
3816 MODULE_PARM_DESC(lpfc_tgt_queue_depth
, "Set max Target queue depth");
3817 lpfc_vport_param_show(tgt_queue_depth
);
3818 lpfc_vport_param_init(tgt_queue_depth
, LPFC_MAX_TGT_QDEPTH
,
3819 LPFC_MIN_TGT_QDEPTH
, LPFC_MAX_TGT_QDEPTH
);
3822 * lpfc_tgt_queue_depth_store: Sets an attribute value.
3823 * @vport: lpfc vport structure pointer.
3824 * @val: integer attribute value.
3826 * Description: Sets the parameter to the new value.
3830 * -EINVAL if val is invalid
3833 lpfc_tgt_queue_depth_set(struct lpfc_vport
*vport
, uint val
)
3835 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3836 struct lpfc_nodelist
*ndlp
;
3838 if (!lpfc_rangecheck(val
, LPFC_MIN_TGT_QDEPTH
, LPFC_MAX_TGT_QDEPTH
))
3841 if (val
== vport
->cfg_tgt_queue_depth
)
3844 spin_lock_irq(shost
->host_lock
);
3845 vport
->cfg_tgt_queue_depth
= val
;
3847 /* Next loop thru nodelist and change cmd_qdepth */
3848 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
)
3849 ndlp
->cmd_qdepth
= vport
->cfg_tgt_queue_depth
;
3851 spin_unlock_irq(shost
->host_lock
);
3855 lpfc_vport_param_store(tgt_queue_depth
);
3856 static DEVICE_ATTR_RW(lpfc_tgt_queue_depth
);
3859 # hba_queue_depth: This parameter is used to limit the number of outstanding
3860 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
3861 # value is greater than the maximum number of exchanges supported by the HBA,
3862 # then maximum number of exchanges supported by the HBA is used to determine
3863 # the hba_queue_depth.
3865 LPFC_ATTR_R(hba_queue_depth
, 8192, 32, 8192,
3866 "Max number of FCP commands we can queue to a lpfc HBA");
3869 # peer_port_login: This parameter allows/prevents logins
3870 # between peer ports hosted on the same physical port.
3871 # When this parameter is set 0 peer ports of same physical port
3872 # are not allowed to login to each other.
3873 # When this parameter is set 1 peer ports of same physical port
3874 # are allowed to login to each other.
3875 # Default value of this parameter is 0.
3877 LPFC_VPORT_ATTR_R(peer_port_login
, 0, 0, 1,
3878 "Allow peer ports on the same physical port to login to each "
3882 # restrict_login: This parameter allows/prevents logins
3883 # between Virtual Ports and remote initiators.
3884 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
3885 # other initiators and will attempt to PLOGI all remote ports.
3886 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
3887 # remote ports and will not attempt to PLOGI to other initiators.
3888 # This parameter does not restrict to the physical port.
3889 # This parameter does not restrict logins to Fabric resident remote ports.
3890 # Default value of this parameter is 1.
3892 static int lpfc_restrict_login
= 1;
3893 module_param(lpfc_restrict_login
, int, S_IRUGO
);
3894 MODULE_PARM_DESC(lpfc_restrict_login
,
3895 "Restrict virtual ports login to remote initiators.");
3896 lpfc_vport_param_show(restrict_login
);
3899 * lpfc_restrict_login_init - Set the vport restrict login flag
3900 * @vport: lpfc vport structure pointer.
3901 * @val: contains the restrict login value.
3904 * If val is not in a valid range then log a kernel error message and set
3905 * the vport restrict login to one.
3906 * If the port type is physical clear the restrict login flag and return.
3907 * Else set the restrict login flag to val.
3910 * zero if val is in range
3911 * -EINVAL val out of range
3914 lpfc_restrict_login_init(struct lpfc_vport
*vport
, int val
)
3916 if (val
< 0 || val
> 1) {
3917 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3918 "0422 lpfc_restrict_login attribute cannot "
3919 "be set to %d, allowed range is [0, 1]\n",
3921 vport
->cfg_restrict_login
= 1;
3924 if (vport
->port_type
== LPFC_PHYSICAL_PORT
) {
3925 vport
->cfg_restrict_login
= 0;
3928 vport
->cfg_restrict_login
= val
;
3933 * lpfc_restrict_login_set - Set the vport restrict login flag
3934 * @vport: lpfc vport structure pointer.
3935 * @val: contains the restrict login value.
3938 * If val is not in a valid range then log a kernel error message and set
3939 * the vport restrict login to one.
3940 * If the port type is physical and the val is not zero log a kernel
3941 * error message, clear the restrict login flag and return zero.
3942 * Else set the restrict login flag to val.
3945 * zero if val is in range
3946 * -EINVAL val out of range
3949 lpfc_restrict_login_set(struct lpfc_vport
*vport
, int val
)
3951 if (val
< 0 || val
> 1) {
3952 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3953 "0425 lpfc_restrict_login attribute cannot "
3954 "be set to %d, allowed range is [0, 1]\n",
3956 vport
->cfg_restrict_login
= 1;
3959 if (vport
->port_type
== LPFC_PHYSICAL_PORT
&& val
!= 0) {
3960 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3961 "0468 lpfc_restrict_login must be 0 for "
3962 "Physical ports.\n");
3963 vport
->cfg_restrict_login
= 0;
3966 vport
->cfg_restrict_login
= val
;
3969 lpfc_vport_param_store(restrict_login
);
3970 static DEVICE_ATTR_RW(lpfc_restrict_login
);
3973 # Some disk devices have a "select ID" or "select Target" capability.
3974 # From a protocol standpoint "select ID" usually means select the
3975 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
3976 # annex" which contains a table that maps a "select ID" (a number
3977 # between 0 and 7F) to an ALPA. By default, for compatibility with
3978 # older drivers, the lpfc driver scans this table from low ALPA to high
3981 # Turning on the scan-down variable (on = 1, off = 0) will
3982 # cause the lpfc driver to use an inverted table, effectively
3983 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
3985 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
3986 # and will not work across a fabric. Also this parameter will take
3987 # effect only in the case when ALPA map is not available.)
3989 LPFC_VPORT_ATTR_R(scan_down
, 1, 0, 1,
3990 "Start scanning for devices from highest ALPA to lowest");
3993 # lpfc_topology: link topology for init link
3994 # 0x0 = attempt loop mode then point-to-point
3995 # 0x01 = internal loopback mode
3996 # 0x02 = attempt point-to-point mode only
3997 # 0x04 = attempt loop mode only
3998 # 0x06 = attempt point-to-point mode then loop
3999 # Set point-to-point mode if you want to run as an N_Port.
4000 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
4001 # Default value is 0.
4003 LPFC_ATTR(topology
, 0, 0, 6,
4004 "Select Fibre Channel topology");
4007 * lpfc_topology_set - Set the adapters topology field
4008 * @dev: class device that is converted into a scsi_host.
4009 * @attr:device attribute, not used.
4010 * @buf: buffer for passing information.
4011 * @count: size of the data buffer.
4014 * If val is in a valid range then set the adapter's topology field and
4015 * issue a lip; if the lip fails reset the topology to the old value.
4017 * If the value is not in range log a kernel error message and return an error.
4020 * zero if val is in range and lip okay
4021 * non-zero return value from lpfc_issue_lip()
4022 * -EINVAL val out of range
4025 lpfc_topology_store(struct device
*dev
, struct device_attribute
*attr
,
4026 const char *buf
, size_t count
)
4028 struct Scsi_Host
*shost
= class_to_shost(dev
);
4029 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4030 struct lpfc_hba
*phba
= vport
->phba
;
4033 const char *val_buf
= buf
;
4037 if (!strncmp(buf
, "nolip ", strlen("nolip "))) {
4039 val_buf
= &buf
[strlen("nolip ")];
4042 if (!isdigit(val_buf
[0]))
4044 if (sscanf(val_buf
, "%i", &val
) != 1)
4047 if (val
>= 0 && val
<= 6) {
4048 prev_val
= phba
->cfg_topology
;
4049 if (phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_16G
&&
4051 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
4052 "3113 Loop mode not supported at speed %d\n",
4057 * The 'topology' is not a configurable parameter if :
4058 * - persistent topology enabled
4059 * - G7/G6 with no private loop support
4062 if ((phba
->hba_flag
& HBA_PERSISTENT_TOPO
||
4063 (!phba
->sli4_hba
.pc_sli4_params
.pls
&&
4064 (phba
->pcidev
->device
== PCI_DEVICE_ID_LANCER_G6_FC
||
4065 phba
->pcidev
->device
== PCI_DEVICE_ID_LANCER_G7_FC
))) &&
4067 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
4068 "3114 Loop mode not supported\n");
4071 phba
->cfg_topology
= val
;
4075 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
4076 "3054 lpfc_topology changed from %d to %d\n",
4078 if (prev_val
!= val
&& phba
->sli_rev
== LPFC_SLI_REV4
)
4079 phba
->fc_topology_changed
= 1;
4080 err
= lpfc_issue_lip(lpfc_shost_from_vport(phba
->pport
));
4082 phba
->cfg_topology
= prev_val
;
4087 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4088 "%d:0467 lpfc_topology attribute cannot be set to %d, "
4089 "allowed range is [0, 6]\n",
4094 lpfc_param_show(topology
)
4095 static DEVICE_ATTR_RW(lpfc_topology
);
4098 * lpfc_static_vport_show: Read callback function for
4099 * lpfc_static_vport sysfs file.
4100 * @dev: Pointer to class device object.
4101 * @attr: device attribute structure.
4102 * @buf: Data buffer.
4104 * This function is the read call back function for
4105 * lpfc_static_vport sysfs file. The lpfc_static_vport
4106 * sysfs file report the mageability of the vport.
4109 lpfc_static_vport_show(struct device
*dev
, struct device_attribute
*attr
,
4112 struct Scsi_Host
*shost
= class_to_shost(dev
);
4113 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4114 if (vport
->vport_flag
& STATIC_VPORT
)
4115 sprintf(buf
, "1\n");
4117 sprintf(buf
, "0\n");
4123 * Sysfs attribute to control the statistical data collection.
4125 static DEVICE_ATTR_RO(lpfc_static_vport
);
4128 * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file
4129 * @dev: Pointer to class device.
4131 * @buf: Data buffer.
4132 * @count: Size of the data buffer.
4134 * This function get called when a user write to the lpfc_stat_data_ctrl
4135 * sysfs file. This function parse the command written to the sysfs file
4136 * and take appropriate action. These commands are used for controlling
4137 * driver statistical data collection.
4138 * Following are the command this function handles.
4140 * setbucket <bucket_type> <base> <step>
4141 * = Set the latency buckets.
4142 * destroybucket = destroy all the buckets.
4143 * start = start data collection
4144 * stop = stop data collection
4145 * reset = reset the collected data
4148 lpfc_stat_data_ctrl_store(struct device
*dev
, struct device_attribute
*attr
,
4149 const char *buf
, size_t count
)
4151 struct Scsi_Host
*shost
= class_to_shost(dev
);
4152 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4153 struct lpfc_hba
*phba
= vport
->phba
;
4154 #define LPFC_MAX_DATA_CTRL_LEN 1024
4155 static char bucket_data
[LPFC_MAX_DATA_CTRL_LEN
];
4157 char *str_ptr
, *token
;
4158 struct lpfc_vport
**vports
;
4159 struct Scsi_Host
*v_shost
;
4160 char *bucket_type_str
, *base_str
, *step_str
;
4161 unsigned long base
, step
, bucket_type
;
4163 if (!strncmp(buf
, "setbucket", strlen("setbucket"))) {
4164 if (strlen(buf
) > (LPFC_MAX_DATA_CTRL_LEN
- 1))
4167 strncpy(bucket_data
, buf
, LPFC_MAX_DATA_CTRL_LEN
);
4168 str_ptr
= &bucket_data
[0];
4169 /* Ignore this token - this is command token */
4170 token
= strsep(&str_ptr
, "\t ");
4174 bucket_type_str
= strsep(&str_ptr
, "\t ");
4175 if (!bucket_type_str
)
4178 if (!strncmp(bucket_type_str
, "linear", strlen("linear")))
4179 bucket_type
= LPFC_LINEAR_BUCKET
;
4180 else if (!strncmp(bucket_type_str
, "power2", strlen("power2")))
4181 bucket_type
= LPFC_POWER2_BUCKET
;
4185 base_str
= strsep(&str_ptr
, "\t ");
4188 base
= simple_strtoul(base_str
, NULL
, 0);
4190 step_str
= strsep(&str_ptr
, "\t ");
4193 step
= simple_strtoul(step_str
, NULL
, 0);
4197 /* Block the data collection for every vport */
4198 vports
= lpfc_create_vport_work_array(phba
);
4202 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
4203 v_shost
= lpfc_shost_from_vport(vports
[i
]);
4204 spin_lock_irq(v_shost
->host_lock
);
4205 /* Block and reset data collection */
4206 vports
[i
]->stat_data_blocked
= 1;
4207 if (vports
[i
]->stat_data_enabled
)
4208 lpfc_vport_reset_stat_data(vports
[i
]);
4209 spin_unlock_irq(v_shost
->host_lock
);
4212 /* Set the bucket attributes */
4213 phba
->bucket_type
= bucket_type
;
4214 phba
->bucket_base
= base
;
4215 phba
->bucket_step
= step
;
4217 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
4218 v_shost
= lpfc_shost_from_vport(vports
[i
]);
4220 /* Unblock data collection */
4221 spin_lock_irq(v_shost
->host_lock
);
4222 vports
[i
]->stat_data_blocked
= 0;
4223 spin_unlock_irq(v_shost
->host_lock
);
4225 lpfc_destroy_vport_work_array(phba
, vports
);
4229 if (!strncmp(buf
, "destroybucket", strlen("destroybucket"))) {
4230 vports
= lpfc_create_vport_work_array(phba
);
4234 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
4235 v_shost
= lpfc_shost_from_vport(vports
[i
]);
4236 spin_lock_irq(shost
->host_lock
);
4237 vports
[i
]->stat_data_blocked
= 1;
4238 lpfc_free_bucket(vport
);
4239 vport
->stat_data_enabled
= 0;
4240 vports
[i
]->stat_data_blocked
= 0;
4241 spin_unlock_irq(shost
->host_lock
);
4243 lpfc_destroy_vport_work_array(phba
, vports
);
4244 phba
->bucket_type
= LPFC_NO_BUCKET
;
4245 phba
->bucket_base
= 0;
4246 phba
->bucket_step
= 0;
4250 if (!strncmp(buf
, "start", strlen("start"))) {
4251 /* If no buckets configured return error */
4252 if (phba
->bucket_type
== LPFC_NO_BUCKET
)
4254 spin_lock_irq(shost
->host_lock
);
4255 if (vport
->stat_data_enabled
) {
4256 spin_unlock_irq(shost
->host_lock
);
4259 lpfc_alloc_bucket(vport
);
4260 vport
->stat_data_enabled
= 1;
4261 spin_unlock_irq(shost
->host_lock
);
4265 if (!strncmp(buf
, "stop", strlen("stop"))) {
4266 spin_lock_irq(shost
->host_lock
);
4267 if (vport
->stat_data_enabled
== 0) {
4268 spin_unlock_irq(shost
->host_lock
);
4271 lpfc_free_bucket(vport
);
4272 vport
->stat_data_enabled
= 0;
4273 spin_unlock_irq(shost
->host_lock
);
4277 if (!strncmp(buf
, "reset", strlen("reset"))) {
4278 if ((phba
->bucket_type
== LPFC_NO_BUCKET
)
4279 || !vport
->stat_data_enabled
)
4281 spin_lock_irq(shost
->host_lock
);
4282 vport
->stat_data_blocked
= 1;
4283 lpfc_vport_reset_stat_data(vport
);
4284 vport
->stat_data_blocked
= 0;
4285 spin_unlock_irq(shost
->host_lock
);
4293 * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file
4294 * @dev: Pointer to class device.
4296 * @buf: Data buffer.
4298 * This function is the read call back function for
4299 * lpfc_stat_data_ctrl sysfs file. This function report the
4300 * current statistical data collection state.
4303 lpfc_stat_data_ctrl_show(struct device
*dev
, struct device_attribute
*attr
,
4306 struct Scsi_Host
*shost
= class_to_shost(dev
);
4307 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4308 struct lpfc_hba
*phba
= vport
->phba
;
4312 unsigned long bucket_value
;
4314 switch (phba
->bucket_type
) {
4315 case LPFC_LINEAR_BUCKET
:
4316 bucket_type
= "linear";
4318 case LPFC_POWER2_BUCKET
:
4319 bucket_type
= "power2";
4322 bucket_type
= "No Bucket";
4326 sprintf(&buf
[index
], "Statistical Data enabled :%d, "
4327 "blocked :%d, Bucket type :%s, Bucket base :%d,"
4328 " Bucket step :%d\nLatency Ranges :",
4329 vport
->stat_data_enabled
, vport
->stat_data_blocked
,
4330 bucket_type
, phba
->bucket_base
, phba
->bucket_step
);
4331 index
= strlen(buf
);
4332 if (phba
->bucket_type
!= LPFC_NO_BUCKET
) {
4333 for (i
= 0; i
< LPFC_MAX_BUCKET_COUNT
; i
++) {
4334 if (phba
->bucket_type
== LPFC_LINEAR_BUCKET
)
4335 bucket_value
= phba
->bucket_base
+
4336 phba
->bucket_step
* i
;
4338 bucket_value
= phba
->bucket_base
+
4339 (1 << i
) * phba
->bucket_step
;
4341 if (index
+ 10 > PAGE_SIZE
)
4343 sprintf(&buf
[index
], "%08ld ", bucket_value
);
4344 index
= strlen(buf
);
4347 sprintf(&buf
[index
], "\n");
4352 * Sysfs attribute to control the statistical data collection.
4354 static DEVICE_ATTR_RW(lpfc_stat_data_ctrl
);
4357 * lpfc_drvr_stat_data: sysfs attr to get driver statistical data.
4361 * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN
4364 #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18)
4365 #define MAX_STAT_DATA_SIZE_PER_TARGET \
4366 STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT)
4370 * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute
4372 * @kobj: Pointer to the kernel object
4373 * @bin_attr: Attribute object
4374 * @buf: Buffer pointer
4376 * @count: Buffer size
4378 * This function is the read call back function for lpfc_drvr_stat_data
4379 * sysfs file. This function export the statistical data to user
4383 sysfs_drvr_stat_data_read(struct file
*filp
, struct kobject
*kobj
,
4384 struct bin_attribute
*bin_attr
,
4385 char *buf
, loff_t off
, size_t count
)
4387 struct device
*dev
= container_of(kobj
, struct device
,
4389 struct Scsi_Host
*shost
= class_to_shost(dev
);
4390 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4391 struct lpfc_hba
*phba
= vport
->phba
;
4392 int i
= 0, index
= 0;
4393 unsigned long nport_index
;
4394 struct lpfc_nodelist
*ndlp
= NULL
;
4395 nport_index
= (unsigned long)off
/
4396 MAX_STAT_DATA_SIZE_PER_TARGET
;
4398 if (!vport
->stat_data_enabled
|| vport
->stat_data_blocked
4399 || (phba
->bucket_type
== LPFC_NO_BUCKET
))
4402 spin_lock_irq(shost
->host_lock
);
4403 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
4404 if (!ndlp
->lat_data
)
4407 if (nport_index
> 0) {
4412 if ((index
+ MAX_STAT_DATA_SIZE_PER_TARGET
)
4416 if (!ndlp
->lat_data
)
4420 sprintf(&buf
[index
], "%02x%02x%02x%02x%02x%02x%02x%02x:",
4421 ndlp
->nlp_portname
.u
.wwn
[0],
4422 ndlp
->nlp_portname
.u
.wwn
[1],
4423 ndlp
->nlp_portname
.u
.wwn
[2],
4424 ndlp
->nlp_portname
.u
.wwn
[3],
4425 ndlp
->nlp_portname
.u
.wwn
[4],
4426 ndlp
->nlp_portname
.u
.wwn
[5],
4427 ndlp
->nlp_portname
.u
.wwn
[6],
4428 ndlp
->nlp_portname
.u
.wwn
[7]);
4430 index
= strlen(buf
);
4432 for (i
= 0; i
< LPFC_MAX_BUCKET_COUNT
; i
++) {
4433 sprintf(&buf
[index
], "%010u,",
4434 ndlp
->lat_data
[i
].cmd_count
);
4435 index
= strlen(buf
);
4437 sprintf(&buf
[index
], "\n");
4438 index
= strlen(buf
);
4440 spin_unlock_irq(shost
->host_lock
);
4444 static struct bin_attribute sysfs_drvr_stat_data_attr
= {
4446 .name
= "lpfc_drvr_stat_data",
4449 .size
= LPFC_MAX_TARGET
* MAX_STAT_DATA_SIZE_PER_TARGET
,
4450 .read
= sysfs_drvr_stat_data_read
,
4455 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
4457 # Value range is [0,16]. Default value is 0.
4460 * lpfc_link_speed_set - Set the adapters link speed
4461 * @dev: Pointer to class device.
4463 * @buf: Data buffer.
4464 * @count: Size of the data buffer.
4467 * If val is in a valid range then set the adapter's link speed field and
4468 * issue a lip; if the lip fails reset the link speed to the old value.
4471 * If the value is not in range log a kernel error message and return an error.
4474 * zero if val is in range and lip okay.
4475 * non-zero return value from lpfc_issue_lip()
4476 * -EINVAL val out of range
4479 lpfc_link_speed_store(struct device
*dev
, struct device_attribute
*attr
,
4480 const char *buf
, size_t count
)
4482 struct Scsi_Host
*shost
= class_to_shost(dev
);
4483 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4484 struct lpfc_hba
*phba
= vport
->phba
;
4485 int val
= LPFC_USER_LINK_SPEED_AUTO
;
4487 const char *val_buf
= buf
;
4489 uint32_t prev_val
, if_type
;
4491 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
4492 if (if_type
>= LPFC_SLI_INTF_IF_TYPE_2
&&
4493 phba
->hba_flag
& HBA_FORCED_LINK_SPEED
)
4496 if (!strncmp(buf
, "nolip ", strlen("nolip "))) {
4498 val_buf
= &buf
[strlen("nolip ")];
4501 if (!isdigit(val_buf
[0]))
4503 if (sscanf(val_buf
, "%i", &val
) != 1)
4506 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
4507 "3055 lpfc_link_speed changed from %d to %d %s\n",
4508 phba
->cfg_link_speed
, val
, nolip
? "(nolip)" : "(lip)");
4510 if (((val
== LPFC_USER_LINK_SPEED_1G
) && !(phba
->lmt
& LMT_1Gb
)) ||
4511 ((val
== LPFC_USER_LINK_SPEED_2G
) && !(phba
->lmt
& LMT_2Gb
)) ||
4512 ((val
== LPFC_USER_LINK_SPEED_4G
) && !(phba
->lmt
& LMT_4Gb
)) ||
4513 ((val
== LPFC_USER_LINK_SPEED_8G
) && !(phba
->lmt
& LMT_8Gb
)) ||
4514 ((val
== LPFC_USER_LINK_SPEED_10G
) && !(phba
->lmt
& LMT_10Gb
)) ||
4515 ((val
== LPFC_USER_LINK_SPEED_16G
) && !(phba
->lmt
& LMT_16Gb
)) ||
4516 ((val
== LPFC_USER_LINK_SPEED_32G
) && !(phba
->lmt
& LMT_32Gb
)) ||
4517 ((val
== LPFC_USER_LINK_SPEED_64G
) && !(phba
->lmt
& LMT_64Gb
))) {
4518 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4519 "2879 lpfc_link_speed attribute cannot be set "
4520 "to %d. Speed is not supported by this port.\n",
4524 if (val
>= LPFC_USER_LINK_SPEED_16G
&&
4525 phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
4526 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4527 "3112 lpfc_link_speed attribute cannot be set "
4528 "to %d. Speed is not supported in loop mode.\n",
4534 case LPFC_USER_LINK_SPEED_AUTO
:
4535 case LPFC_USER_LINK_SPEED_1G
:
4536 case LPFC_USER_LINK_SPEED_2G
:
4537 case LPFC_USER_LINK_SPEED_4G
:
4538 case LPFC_USER_LINK_SPEED_8G
:
4539 case LPFC_USER_LINK_SPEED_16G
:
4540 case LPFC_USER_LINK_SPEED_32G
:
4541 case LPFC_USER_LINK_SPEED_64G
:
4542 prev_val
= phba
->cfg_link_speed
;
4543 phba
->cfg_link_speed
= val
;
4547 err
= lpfc_issue_lip(lpfc_shost_from_vport(phba
->pport
));
4549 phba
->cfg_link_speed
= prev_val
;
4557 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4558 "0469 lpfc_link_speed attribute cannot be set to %d, "
4559 "allowed values are [%s]\n",
4560 val
, LPFC_LINK_SPEED_STRING
);
4565 static int lpfc_link_speed
= 0;
4566 module_param(lpfc_link_speed
, int, S_IRUGO
);
4567 MODULE_PARM_DESC(lpfc_link_speed
, "Select link speed");
4568 lpfc_param_show(link_speed
)
4571 * lpfc_link_speed_init - Set the adapters link speed
4572 * @phba: lpfc_hba pointer.
4573 * @val: link speed value.
4576 * If val is in a valid range then set the adapter's link speed field.
4579 * If the value is not in range log a kernel error message, clear the link
4580 * speed and return an error.
4583 * zero if val saved.
4584 * -EINVAL val out of range
4587 lpfc_link_speed_init(struct lpfc_hba
*phba
, int val
)
4589 if (val
>= LPFC_USER_LINK_SPEED_16G
&& phba
->cfg_topology
== 4) {
4590 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4591 "3111 lpfc_link_speed of %d cannot "
4592 "support loop mode, setting topology to default.\n",
4594 phba
->cfg_topology
= 0;
4598 case LPFC_USER_LINK_SPEED_AUTO
:
4599 case LPFC_USER_LINK_SPEED_1G
:
4600 case LPFC_USER_LINK_SPEED_2G
:
4601 case LPFC_USER_LINK_SPEED_4G
:
4602 case LPFC_USER_LINK_SPEED_8G
:
4603 case LPFC_USER_LINK_SPEED_16G
:
4604 case LPFC_USER_LINK_SPEED_32G
:
4605 case LPFC_USER_LINK_SPEED_64G
:
4606 phba
->cfg_link_speed
= val
;
4609 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4610 "0405 lpfc_link_speed attribute cannot "
4611 "be set to %d, allowed values are "
4612 "["LPFC_LINK_SPEED_STRING
"]\n", val
);
4613 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
4618 static DEVICE_ATTR_RW(lpfc_link_speed
);
4621 # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER)
4622 # 0 = aer disabled or not supported
4623 # 1 = aer supported and enabled (default)
4624 # Value range is [0,1]. Default value is 1.
4626 LPFC_ATTR(aer_support
, 1, 0, 1,
4627 "Enable PCIe device AER support");
4628 lpfc_param_show(aer_support
)
4631 * lpfc_aer_support_store - Set the adapter for aer support
4633 * @dev: class device that is converted into a Scsi_host.
4634 * @attr: device attribute, not used.
4635 * @buf: containing enable or disable aer flag.
4636 * @count: unused variable.
4639 * If the val is 1 and currently the device's AER capability was not
4640 * enabled, invoke the kernel's enable AER helper routine, trying to
4641 * enable the device's AER capability. If the helper routine enabling
4642 * AER returns success, update the device's cfg_aer_support flag to
4643 * indicate AER is supported by the device; otherwise, if the device
4644 * AER capability is already enabled to support AER, then do nothing.
4646 * If the val is 0 and currently the device's AER support was enabled,
4647 * invoke the kernel's disable AER helper routine. After that, update
4648 * the device's cfg_aer_support flag to indicate AER is not supported
4649 * by the device; otherwise, if the device AER capability is already
4650 * disabled from supporting AER, then do nothing.
4653 * length of the buf on success if val is in range the intended mode
4655 * -EINVAL if val out of range or intended mode is not supported.
4658 lpfc_aer_support_store(struct device
*dev
, struct device_attribute
*attr
,
4659 const char *buf
, size_t count
)
4661 struct Scsi_Host
*shost
= class_to_shost(dev
);
4662 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
4663 struct lpfc_hba
*phba
= vport
->phba
;
4664 int val
= 0, rc
= -EINVAL
;
4666 if (!isdigit(buf
[0]))
4668 if (sscanf(buf
, "%i", &val
) != 1)
4673 if (phba
->hba_flag
& HBA_AER_ENABLED
) {
4674 rc
= pci_disable_pcie_error_reporting(phba
->pcidev
);
4676 spin_lock_irq(&phba
->hbalock
);
4677 phba
->hba_flag
&= ~HBA_AER_ENABLED
;
4678 spin_unlock_irq(&phba
->hbalock
);
4679 phba
->cfg_aer_support
= 0;
4684 phba
->cfg_aer_support
= 0;
4689 if (!(phba
->hba_flag
& HBA_AER_ENABLED
)) {
4690 rc
= pci_enable_pcie_error_reporting(phba
->pcidev
);
4692 spin_lock_irq(&phba
->hbalock
);
4693 phba
->hba_flag
|= HBA_AER_ENABLED
;
4694 spin_unlock_irq(&phba
->hbalock
);
4695 phba
->cfg_aer_support
= 1;
4700 phba
->cfg_aer_support
= 1;
4711 static DEVICE_ATTR_RW(lpfc_aer_support
);
4714 * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device
4715 * @dev: class device that is converted into a Scsi_host.
4716 * @attr: device attribute, not used.
4717 * @buf: containing flag 1 for aer cleanup state.
4718 * @count: unused variable.
4721 * If the @buf contains 1 and the device currently has the AER support
4722 * enabled, then invokes the kernel AER helper routine
4723 * pci_aer_clear_nonfatal_status() to clean up the uncorrectable
4724 * error status register.
4729 * -EINVAL if the buf does not contain the 1 or the device is not currently
4730 * enabled with the AER support.
4733 lpfc_aer_cleanup_state(struct device
*dev
, struct device_attribute
*attr
,
4734 const char *buf
, size_t count
)
4736 struct Scsi_Host
*shost
= class_to_shost(dev
);
4737 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4738 struct lpfc_hba
*phba
= vport
->phba
;
4741 if (!isdigit(buf
[0]))
4743 if (sscanf(buf
, "%i", &val
) != 1)
4748 if (phba
->hba_flag
& HBA_AER_ENABLED
)
4749 rc
= pci_aer_clear_nonfatal_status(phba
->pcidev
);
4757 static DEVICE_ATTR(lpfc_aer_state_cleanup
, S_IWUSR
, NULL
,
4758 lpfc_aer_cleanup_state
);
4761 * lpfc_sriov_nr_virtfn_store - Enable the adapter for sr-iov virtual functions
4763 * @dev: class device that is converted into a Scsi_host.
4764 * @attr: device attribute, not used.
4765 * @buf: containing the string the number of vfs to be enabled.
4766 * @count: unused variable.
4769 * When this api is called either through user sysfs, the driver shall
4770 * try to enable or disable SR-IOV virtual functions according to the
4773 * If zero virtual function has been enabled to the physical function,
4774 * the driver shall invoke the pci enable virtual function api trying
4775 * to enable the virtual functions. If the nr_vfn provided is greater
4776 * than the maximum supported, the maximum virtual function number will
4777 * be used for invoking the api; otherwise, the nr_vfn provided shall
4778 * be used for invoking the api. If the api call returned success, the
4779 * actual number of virtual functions enabled will be set to the driver
4780 * cfg_sriov_nr_virtfn; otherwise, -EINVAL shall be returned and driver
4781 * cfg_sriov_nr_virtfn remains zero.
4783 * If none-zero virtual functions have already been enabled to the
4784 * physical function, as reflected by the driver's cfg_sriov_nr_virtfn,
4785 * -EINVAL will be returned and the driver does nothing;
4787 * If the nr_vfn provided is zero and none-zero virtual functions have
4788 * been enabled, as indicated by the driver's cfg_sriov_nr_virtfn, the
4789 * disabling virtual function api shall be invoded to disable all the
4790 * virtual functions and driver's cfg_sriov_nr_virtfn shall be set to
4791 * zero. Otherwise, if zero virtual function has been enabled, do
4795 * length of the buf on success if val is in range the intended mode
4797 * -EINVAL if val out of range or intended mode is not supported.
4800 lpfc_sriov_nr_virtfn_store(struct device
*dev
, struct device_attribute
*attr
,
4801 const char *buf
, size_t count
)
4803 struct Scsi_Host
*shost
= class_to_shost(dev
);
4804 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
4805 struct lpfc_hba
*phba
= vport
->phba
;
4806 struct pci_dev
*pdev
= phba
->pcidev
;
4807 int val
= 0, rc
= -EINVAL
;
4809 /* Sanity check on user data */
4810 if (!isdigit(buf
[0]))
4812 if (sscanf(buf
, "%i", &val
) != 1)
4817 /* Request disabling virtual functions */
4819 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4820 pci_disable_sriov(pdev
);
4821 phba
->cfg_sriov_nr_virtfn
= 0;
4826 /* Request enabling virtual functions */
4827 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4828 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4829 "3018 There are %d virtual functions "
4830 "enabled on physical function.\n",
4831 phba
->cfg_sriov_nr_virtfn
);
4835 if (val
<= LPFC_MAX_VFN_PER_PFN
)
4836 phba
->cfg_sriov_nr_virtfn
= val
;
4838 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4839 "3019 Enabling %d virtual functions is not "
4844 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
, phba
->cfg_sriov_nr_virtfn
);
4846 phba
->cfg_sriov_nr_virtfn
= 0;
4854 LPFC_ATTR(sriov_nr_virtfn
, LPFC_DEF_VFN_PER_PFN
, 0, LPFC_MAX_VFN_PER_PFN
,
4855 "Enable PCIe device SR-IOV virtual fn");
4857 lpfc_param_show(sriov_nr_virtfn
)
4858 static DEVICE_ATTR_RW(lpfc_sriov_nr_virtfn
);
4861 * lpfc_request_firmware_store - Request for Linux generic firmware upgrade
4863 * @dev: class device that is converted into a Scsi_host.
4864 * @attr: device attribute, not used.
4865 * @buf: containing the string the number of vfs to be enabled.
4866 * @count: unused variable.
4871 * length of the buf on success if val is in range the intended mode
4873 * -EINVAL if val out of range or intended mode is not supported.
4876 lpfc_request_firmware_upgrade_store(struct device
*dev
,
4877 struct device_attribute
*attr
,
4878 const char *buf
, size_t count
)
4880 struct Scsi_Host
*shost
= class_to_shost(dev
);
4881 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
4882 struct lpfc_hba
*phba
= vport
->phba
;
4885 /* Sanity check on user data */
4886 if (!isdigit(buf
[0]))
4888 if (sscanf(buf
, "%i", &val
) != 1)
4893 rc
= lpfc_sli4_request_firmware_update(phba
, RUN_FW_UPGRADE
);
4901 static int lpfc_req_fw_upgrade
;
4902 module_param(lpfc_req_fw_upgrade
, int, S_IRUGO
|S_IWUSR
);
4903 MODULE_PARM_DESC(lpfc_req_fw_upgrade
, "Enable Linux generic firmware upgrade");
4904 lpfc_param_show(request_firmware_upgrade
)
4907 * lpfc_request_firmware_upgrade_init - Enable initial linux generic fw upgrade
4908 * @phba: lpfc_hba pointer.
4912 * Set the initial Linux generic firmware upgrade enable or disable flag.
4915 * zero if val saved.
4916 * -EINVAL val out of range
4919 lpfc_request_firmware_upgrade_init(struct lpfc_hba
*phba
, int val
)
4921 if (val
>= 0 && val
<= 1) {
4922 phba
->cfg_request_firmware_upgrade
= val
;
4927 static DEVICE_ATTR(lpfc_req_fw_upgrade
, S_IRUGO
| S_IWUSR
,
4928 lpfc_request_firmware_upgrade_show
,
4929 lpfc_request_firmware_upgrade_store
);
4932 * lpfc_force_rscn_store
4934 * @dev: class device that is converted into a Scsi_host.
4935 * @attr: device attribute, not used.
4936 * @buf: unused string
4937 * @count: unused variable.
4940 * Force the switch to send a RSCN to all other NPorts in our zone
4941 * If we are direct connect pt2pt, build the RSCN command ourself
4942 * and send to the other NPort. Not supported for private loop.
4946 * -EIO - if command is not sent
4949 lpfc_force_rscn_store(struct device
*dev
, struct device_attribute
*attr
,
4950 const char *buf
, size_t count
)
4952 struct Scsi_Host
*shost
= class_to_shost(dev
);
4953 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
4956 i
= lpfc_issue_els_rscn(vport
, 0);
4963 * lpfc_force_rscn: Force an RSCN to be sent to all remote NPorts
4964 * connected to the HBA.
4966 * Value range is any ascii value
4968 static int lpfc_force_rscn
;
4969 module_param(lpfc_force_rscn
, int, 0644);
4970 MODULE_PARM_DESC(lpfc_force_rscn
,
4971 "Force an RSCN to be sent to all remote NPorts");
4972 lpfc_param_show(force_rscn
)
4975 * lpfc_force_rscn_init - Force an RSCN to be sent to all remote NPorts
4976 * @phba: lpfc_hba pointer.
4977 * @val: unused value.
4980 * zero if val saved.
4983 lpfc_force_rscn_init(struct lpfc_hba
*phba
, int val
)
4987 static DEVICE_ATTR_RW(lpfc_force_rscn
);
4990 * lpfc_fcp_imax_store
4992 * @dev: class device that is converted into a Scsi_host.
4993 * @attr: device attribute, not used.
4994 * @buf: string with the number of fast-path FCP interrupts per second.
4995 * @count: unused variable.
4998 * If val is in a valid range [636,651042], then set the adapter's
4999 * maximum number of fast-path FCP interrupts per second.
5002 * length of the buf on success if val is in range the intended mode
5004 * -EINVAL if val out of range or intended mode is not supported.
5007 lpfc_fcp_imax_store(struct device
*dev
, struct device_attribute
*attr
,
5008 const char *buf
, size_t count
)
5010 struct Scsi_Host
*shost
= class_to_shost(dev
);
5011 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
5012 struct lpfc_hba
*phba
= vport
->phba
;
5013 struct lpfc_eq_intr_info
*eqi
;
5017 /* fcp_imax is only valid for SLI4 */
5018 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
5021 /* Sanity check on user data */
5022 if (!isdigit(buf
[0]))
5024 if (sscanf(buf
, "%i", &val
) != 1)
5028 * Value range for the HBA is [5000,5000000]
5029 * The value for each EQ depends on how many EQs are configured.
5032 if (val
&& (val
< LPFC_MIN_IMAX
|| val
> LPFC_MAX_IMAX
))
5035 phba
->cfg_auto_imax
= (val
) ? 0 : 1;
5036 if (phba
->cfg_fcp_imax
&& !val
) {
5037 queue_delayed_work(phba
->wq
, &phba
->eq_delay_work
,
5038 msecs_to_jiffies(LPFC_EQ_DELAY_MSECS
));
5040 for_each_present_cpu(i
) {
5041 eqi
= per_cpu_ptr(phba
->sli4_hba
.eq_info
, i
);
5046 phba
->cfg_fcp_imax
= (uint32_t)val
;
5048 if (phba
->cfg_fcp_imax
)
5049 usdelay
= LPFC_SEC_TO_USEC
/ phba
->cfg_fcp_imax
;
5053 for (i
= 0; i
< phba
->cfg_irq_chann
; i
+= LPFC_MAX_EQ_DELAY_EQID_CNT
)
5054 lpfc_modify_hba_eq_delay(phba
, i
, LPFC_MAX_EQ_DELAY_EQID_CNT
,
5061 # lpfc_fcp_imax: The maximum number of fast-path FCP interrupts per second
5064 # Value range is [5,000 to 5,000,000]. Default value is 50,000.
5066 static int lpfc_fcp_imax
= LPFC_DEF_IMAX
;
5067 module_param(lpfc_fcp_imax
, int, S_IRUGO
|S_IWUSR
);
5068 MODULE_PARM_DESC(lpfc_fcp_imax
,
5069 "Set the maximum number of FCP interrupts per second per HBA");
5070 lpfc_param_show(fcp_imax
)
5073 * lpfc_fcp_imax_init - Set the initial sr-iov virtual function enable
5074 * @phba: lpfc_hba pointer.
5075 * @val: link speed value.
5078 * If val is in a valid range [636,651042], then initialize the adapter's
5079 * maximum number of fast-path FCP interrupts per second.
5082 * zero if val saved.
5083 * -EINVAL val out of range
5086 lpfc_fcp_imax_init(struct lpfc_hba
*phba
, int val
)
5088 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
5089 phba
->cfg_fcp_imax
= 0;
5093 if ((val
>= LPFC_MIN_IMAX
&& val
<= LPFC_MAX_IMAX
) ||
5095 phba
->cfg_fcp_imax
= val
;
5099 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5100 "3016 lpfc_fcp_imax: %d out of range, using default\n",
5102 phba
->cfg_fcp_imax
= LPFC_DEF_IMAX
;
5107 static DEVICE_ATTR_RW(lpfc_fcp_imax
);
5110 * lpfc_cq_max_proc_limit_store
5112 * @dev: class device that is converted into a Scsi_host.
5113 * @attr: device attribute, not used.
5114 * @buf: string with the cq max processing limit of cqes
5115 * @count: unused variable.
5118 * If val is in a valid range, then set value on each cq
5121 * The length of the buf: if successful
5122 * -ERANGE: if val is not in the valid range
5123 * -EINVAL: if bad value format or intended mode is not supported.
5126 lpfc_cq_max_proc_limit_store(struct device
*dev
, struct device_attribute
*attr
,
5127 const char *buf
, size_t count
)
5129 struct Scsi_Host
*shost
= class_to_shost(dev
);
5130 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
5131 struct lpfc_hba
*phba
= vport
->phba
;
5132 struct lpfc_queue
*eq
, *cq
;
5136 /* cq_max_proc_limit is only valid for SLI4 */
5137 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
5140 /* Sanity check on user data */
5141 if (!isdigit(buf
[0]))
5143 if (kstrtoul(buf
, 0, &val
))
5146 if (val
< LPFC_CQ_MIN_PROC_LIMIT
|| val
> LPFC_CQ_MAX_PROC_LIMIT
)
5149 phba
->cfg_cq_max_proc_limit
= (uint32_t)val
;
5151 /* set the values on the cq's */
5152 for (i
= 0; i
< phba
->cfg_irq_chann
; i
++) {
5153 /* Get the EQ corresponding to the IRQ vector */
5154 eq
= phba
->sli4_hba
.hba_eq_hdl
[i
].eq
;
5158 list_for_each_entry(cq
, &eq
->child_list
, list
)
5159 cq
->max_proc_limit
= min(phba
->cfg_cq_max_proc_limit
,
5167 * lpfc_cq_max_proc_limit: The maximum number CQE entries processed in an
5168 * itteration of CQ processing.
5170 static int lpfc_cq_max_proc_limit
= LPFC_CQ_DEF_MAX_PROC_LIMIT
;
5171 module_param(lpfc_cq_max_proc_limit
, int, 0644);
5172 MODULE_PARM_DESC(lpfc_cq_max_proc_limit
,
5173 "Set the maximum number CQEs processed in an iteration of "
5175 lpfc_param_show(cq_max_proc_limit
)
5178 * lpfc_cq_poll_threshold: Set the threshold of CQE completions in a
5179 * single handler call which should request a polled completion rather
5180 * than re-enabling interrupts.
5182 LPFC_ATTR_RW(cq_poll_threshold
, LPFC_CQ_DEF_THRESHOLD_TO_POLL
,
5183 LPFC_CQ_MIN_THRESHOLD_TO_POLL
,
5184 LPFC_CQ_MAX_THRESHOLD_TO_POLL
,
5185 "CQE Processing Threshold to enable Polling");
5188 * lpfc_cq_max_proc_limit_init - Set the initial cq max_proc_limit
5189 * @phba: lpfc_hba pointer.
5193 * If val is in a valid range, then initialize the adapter's maximum
5197 * Always returns 0 for success, even if value not always set to
5198 * requested value. If value out of range or not supported, will fall
5202 lpfc_cq_max_proc_limit_init(struct lpfc_hba
*phba
, int val
)
5204 phba
->cfg_cq_max_proc_limit
= LPFC_CQ_DEF_MAX_PROC_LIMIT
;
5206 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
5209 if (val
>= LPFC_CQ_MIN_PROC_LIMIT
&& val
<= LPFC_CQ_MAX_PROC_LIMIT
) {
5210 phba
->cfg_cq_max_proc_limit
= val
;
5214 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5215 "0371 "LPFC_DRIVER_NAME
"_cq_max_proc_limit: "
5216 "%d out of range, using default\n",
5217 phba
->cfg_cq_max_proc_limit
);
5222 static DEVICE_ATTR_RW(lpfc_cq_max_proc_limit
);
5225 * lpfc_state_show - Display current driver CPU affinity
5226 * @dev: class converted to a Scsi_host structure.
5227 * @attr: device attribute, not used.
5228 * @buf: on return contains text describing the state of the link.
5230 * Returns: size of formatted string.
5233 lpfc_fcp_cpu_map_show(struct device
*dev
, struct device_attribute
*attr
,
5236 struct Scsi_Host
*shost
= class_to_shost(dev
);
5237 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
5238 struct lpfc_hba
*phba
= vport
->phba
;
5239 struct lpfc_vector_map_info
*cpup
;
5242 if ((phba
->sli_rev
!= LPFC_SLI_REV4
) ||
5243 (phba
->intr_type
!= MSIX
))
5246 switch (phba
->cfg_fcp_cpu_map
) {
5248 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
5249 "fcp_cpu_map: No mapping (%d)\n",
5250 phba
->cfg_fcp_cpu_map
);
5253 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
5254 "fcp_cpu_map: HBA centric mapping (%d): "
5255 "%d of %d CPUs online from %d possible CPUs\n",
5256 phba
->cfg_fcp_cpu_map
, num_online_cpus(),
5258 phba
->sli4_hba
.num_possible_cpu
);
5262 while (phba
->sli4_hba
.curr_disp_cpu
<
5263 phba
->sli4_hba
.num_possible_cpu
) {
5264 cpup
= &phba
->sli4_hba
.cpu_map
[phba
->sli4_hba
.curr_disp_cpu
];
5266 if (!cpu_present(phba
->sli4_hba
.curr_disp_cpu
))
5267 len
+= scnprintf(buf
+ len
, PAGE_SIZE
- len
,
5268 "CPU %02d not present\n",
5269 phba
->sli4_hba
.curr_disp_cpu
);
5270 else if (cpup
->eq
== LPFC_VECTOR_MAP_EMPTY
) {
5271 if (cpup
->hdwq
== LPFC_VECTOR_MAP_EMPTY
)
5273 buf
+ len
, PAGE_SIZE
- len
,
5274 "CPU %02d hdwq None "
5275 "physid %d coreid %d ht %d ua %d\n",
5276 phba
->sli4_hba
.curr_disp_cpu
,
5277 cpup
->phys_id
, cpup
->core_id
,
5278 (cpup
->flag
& LPFC_CPU_MAP_HYPER
),
5279 (cpup
->flag
& LPFC_CPU_MAP_UNASSIGN
));
5282 buf
+ len
, PAGE_SIZE
- len
,
5283 "CPU %02d EQ None hdwq %04d "
5284 "physid %d coreid %d ht %d ua %d\n",
5285 phba
->sli4_hba
.curr_disp_cpu
,
5286 cpup
->hdwq
, cpup
->phys_id
,
5288 (cpup
->flag
& LPFC_CPU_MAP_HYPER
),
5289 (cpup
->flag
& LPFC_CPU_MAP_UNASSIGN
));
5291 if (cpup
->hdwq
== LPFC_VECTOR_MAP_EMPTY
)
5293 buf
+ len
, PAGE_SIZE
- len
,
5294 "CPU %02d hdwq None "
5295 "physid %d coreid %d ht %d ua %d IRQ %d\n",
5296 phba
->sli4_hba
.curr_disp_cpu
,
5299 (cpup
->flag
& LPFC_CPU_MAP_HYPER
),
5300 (cpup
->flag
& LPFC_CPU_MAP_UNASSIGN
),
5301 lpfc_get_irq(cpup
->eq
));
5304 buf
+ len
, PAGE_SIZE
- len
,
5305 "CPU %02d EQ %04d hdwq %04d "
5306 "physid %d coreid %d ht %d ua %d IRQ %d\n",
5307 phba
->sli4_hba
.curr_disp_cpu
,
5308 cpup
->eq
, cpup
->hdwq
, cpup
->phys_id
,
5310 (cpup
->flag
& LPFC_CPU_MAP_HYPER
),
5311 (cpup
->flag
& LPFC_CPU_MAP_UNASSIGN
),
5312 lpfc_get_irq(cpup
->eq
));
5315 phba
->sli4_hba
.curr_disp_cpu
++;
5317 /* display max number of CPUs keeping some margin */
5318 if (phba
->sli4_hba
.curr_disp_cpu
<
5319 phba
->sli4_hba
.num_possible_cpu
&&
5320 (len
>= (PAGE_SIZE
- 64))) {
5321 len
+= scnprintf(buf
+ len
,
5322 PAGE_SIZE
- len
, "more...\n");
5327 if (phba
->sli4_hba
.curr_disp_cpu
== phba
->sli4_hba
.num_possible_cpu
)
5328 phba
->sli4_hba
.curr_disp_cpu
= 0;
5334 * lpfc_fcp_cpu_map_store - Change CPU affinity of driver vectors
5335 * @dev: class device that is converted into a Scsi_host.
5336 * @attr: device attribute, not used.
5337 * @buf: one or more lpfc_polling_flags values.
5341 * -EINVAL - Not implemented yet.
5344 lpfc_fcp_cpu_map_store(struct device
*dev
, struct device_attribute
*attr
,
5345 const char *buf
, size_t count
)
5351 # lpfc_fcp_cpu_map: Defines how to map CPUs to IRQ vectors
5354 # Value range is [0 to 1]. Default value is LPFC_HBA_CPU_MAP (1).
5355 # 0 - Do not affinitze IRQ vectors
5356 # 1 - Affintize HBA vectors with respect to each HBA
5357 # (start with CPU0 for each HBA)
5358 # This also defines how Hardware Queues are mapped to specific CPUs.
5360 static int lpfc_fcp_cpu_map
= LPFC_HBA_CPU_MAP
;
5361 module_param(lpfc_fcp_cpu_map
, int, S_IRUGO
|S_IWUSR
);
5362 MODULE_PARM_DESC(lpfc_fcp_cpu_map
,
5363 "Defines how to map CPUs to IRQ vectors per HBA");
5366 * lpfc_fcp_cpu_map_init - Set the initial sr-iov virtual function enable
5367 * @phba: lpfc_hba pointer.
5368 * @val: link speed value.
5371 * If val is in a valid range [0-2], then affinitze the adapter's
5375 * zero if val saved.
5376 * -EINVAL val out of range
5379 lpfc_fcp_cpu_map_init(struct lpfc_hba
*phba
, int val
)
5381 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
5382 phba
->cfg_fcp_cpu_map
= 0;
5386 if (val
>= LPFC_MIN_CPU_MAP
&& val
<= LPFC_MAX_CPU_MAP
) {
5387 phba
->cfg_fcp_cpu_map
= val
;
5391 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5392 "3326 lpfc_fcp_cpu_map: %d out of range, using "
5394 phba
->cfg_fcp_cpu_map
= LPFC_HBA_CPU_MAP
;
5399 static DEVICE_ATTR_RW(lpfc_fcp_cpu_map
);
5402 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
5403 # Value range is [2,3]. Default value is 3.
5405 LPFC_VPORT_ATTR_R(fcp_class
, 3, 2, 3,
5406 "Select Fibre Channel class of service for FCP sequences");
5409 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
5410 # is [0,1]. Default value is 0.
5412 LPFC_VPORT_ATTR_RW(use_adisc
, 0, 0, 1,
5413 "Use ADISC on rediscovery to authenticate FCP devices");
5416 # lpfc_first_burst_size: First burst size to use on the NPorts
5417 # that support first burst.
5418 # Value range is [0,65536]. Default value is 0.
5420 LPFC_VPORT_ATTR_RW(first_burst_size
, 0, 0, 65536,
5421 "First burst size for Targets that support first burst");
5424 * lpfc_nvmet_fb_size: NVME Target mode supported first burst size.
5425 * When the driver is configured as an NVME target, this value is
5426 * communicated to the NVME initiator in the PRLI response. It is
5427 * used only when the lpfc_nvme_enable_fb and lpfc_nvmet_support
5428 * parameters are set and the target is sending the PRLI RSP.
5429 * Parameter supported on physical port only - no NPIV support.
5430 * Value range is [0,65536]. Default value is 0.
5432 LPFC_ATTR_RW(nvmet_fb_size
, 0, 0, 65536,
5433 "NVME Target mode first burst size in 512B increments.");
5436 * lpfc_nvme_enable_fb: Enable NVME first burst on I and T functions.
5437 * For the Initiator (I), enabling this parameter means that an NVMET
5438 * PRLI response with FBA enabled and an FB_SIZE set to a nonzero value will be
5439 * processed by the initiator for subsequent NVME FCP IO.
5440 * Currently, this feature is not supported on the NVME target
5441 * Value range is [0,1]. Default value is 0 (disabled).
5443 LPFC_ATTR_RW(nvme_enable_fb
, 0, 0, 1,
5444 "Enable First Burst feature for NVME Initiator.");
5447 # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue
5448 # depth. Default value is 0. When the value of this parameter is zero the
5449 # SCSI command completion time is not used for controlling I/O queue depth. When
5450 # the parameter is set to a non-zero value, the I/O queue depth is controlled
5451 # to limit the I/O completion time to the parameter value.
5452 # The value is set in milliseconds.
5454 LPFC_VPORT_ATTR(max_scsicmpl_time
, 0, 0, 60000,
5455 "Use command completion time to control queue depth");
5457 lpfc_vport_param_show(max_scsicmpl_time
);
5459 lpfc_max_scsicmpl_time_set(struct lpfc_vport
*vport
, int val
)
5461 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
5462 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
5464 if (val
== vport
->cfg_max_scsicmpl_time
)
5466 if ((val
< 0) || (val
> 60000))
5468 vport
->cfg_max_scsicmpl_time
= val
;
5470 spin_lock_irq(shost
->host_lock
);
5471 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
5472 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
5474 ndlp
->cmd_qdepth
= vport
->cfg_tgt_queue_depth
;
5476 spin_unlock_irq(shost
->host_lock
);
5479 lpfc_vport_param_store(max_scsicmpl_time
);
5480 static DEVICE_ATTR_RW(lpfc_max_scsicmpl_time
);
5483 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
5484 # range is [0,1]. Default value is 0.
5486 LPFC_ATTR_R(ack0
, 0, 0, 1, "Enable ACK0 support");
5489 # lpfc_xri_rebalancing: enable or disable XRI rebalancing feature
5490 # range is [0,1]. Default value is 1.
5492 LPFC_ATTR_R(xri_rebalancing
, 1, 0, 1, "Enable/Disable XRI rebalancing");
5495 * lpfc_io_sched: Determine scheduling algrithmn for issuing FCP cmds
5496 * range is [0,1]. Default value is 0.
5497 * For [0], FCP commands are issued to Work Queues based on upper layer
5498 * hardware queue index.
5499 * For [1], FCP commands are issued to a Work Queue associated with the
5502 * LPFC_FCP_SCHED_BY_HDWQ == 0
5503 * LPFC_FCP_SCHED_BY_CPU == 1
5505 * The driver dynamically sets this to 1 (BY_CPU) if it's able to set up cpu
5506 * affinity for FCP/NVME I/Os through Work Queues associated with the current
5507 * CPU. Otherwise, the default 0 (Round Robin) scheduling of FCP/NVME I/Os
5508 * through WQs will be used.
5510 LPFC_ATTR_RW(fcp_io_sched
, LPFC_FCP_SCHED_BY_CPU
,
5511 LPFC_FCP_SCHED_BY_HDWQ
,
5512 LPFC_FCP_SCHED_BY_CPU
,
5513 "Determine scheduling algorithm for "
5514 "issuing commands [0] - Hardware Queue, [1] - Current CPU");
5517 * lpfc_ns_query: Determine algrithmn for NameServer queries after RSCN
5518 * range is [0,1]. Default value is 0.
5519 * For [0], GID_FT is used for NameServer queries after RSCN (default)
5520 * For [1], GID_PT is used for NameServer queries after RSCN
5523 LPFC_ATTR_RW(ns_query
, LPFC_NS_QUERY_GID_FT
,
5524 LPFC_NS_QUERY_GID_FT
, LPFC_NS_QUERY_GID_PT
,
5525 "Determine algorithm NameServer queries after RSCN "
5526 "[0] - GID_FT, [1] - GID_PT");
5529 # lpfc_fcp2_no_tgt_reset: Determine bus reset behavior
5530 # range is [0,1]. Default value is 0.
5531 # For [0], bus reset issues target reset to ALL devices
5532 # For [1], bus reset issues target reset to non-FCP2 devices
5534 LPFC_ATTR_RW(fcp2_no_tgt_reset
, 0, 0, 1, "Determine bus reset behavior for "
5535 "FCP2 devices [0] - issue tgt reset, [1] - no tgt reset");
5539 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
5540 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
5541 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
5542 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
5543 # cr_delay is set to 0.
5545 LPFC_ATTR_RW(cr_delay
, 0, 0, 63, "A count of milliseconds after which an "
5546 "interrupt response is generated");
5548 LPFC_ATTR_RW(cr_count
, 1, 1, 255, "A count of I/O completions after which an "
5549 "interrupt response is generated");
5552 # lpfc_multi_ring_support: Determines how many rings to spread available
5553 # cmd/rsp IOCB entries across.
5554 # Value range is [1,2]. Default value is 1.
5556 LPFC_ATTR_R(multi_ring_support
, 1, 1, 2, "Determines number of primary "
5557 "SLI rings to spread IOCB entries across");
5560 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
5561 # identifies what rctl value to configure the additional ring for.
5562 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
5564 LPFC_ATTR_R(multi_ring_rctl
, FC_RCTL_DD_UNSOL_DATA
, 1,
5565 255, "Identifies RCTL for additional ring configuration");
5568 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
5569 # identifies what type value to configure the additional ring for.
5570 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
5572 LPFC_ATTR_R(multi_ring_type
, FC_TYPE_IP
, 1,
5573 255, "Identifies TYPE for additional ring configuration");
5576 # lpfc_enable_SmartSAN: Sets up FDMI support for SmartSAN
5577 # 0 = SmartSAN functionality disabled (default)
5578 # 1 = SmartSAN functionality enabled
5579 # This parameter will override the value of lpfc_fdmi_on module parameter.
5580 # Value range is [0,1]. Default value is 0.
5582 LPFC_ATTR_R(enable_SmartSAN
, 0, 0, 1, "Enable SmartSAN functionality");
5585 # lpfc_fdmi_on: Controls FDMI support.
5587 # 1 Traditional FDMI support (default)
5588 # Traditional FDMI support means the driver will assume FDMI-2 support;
5589 # however, if that fails, it will fallback to FDMI-1.
5590 # If lpfc_enable_SmartSAN is set to 1, the driver ignores lpfc_fdmi_on.
5591 # If lpfc_enable_SmartSAN is set 0, the driver uses the current value of
5593 # Value range [0,1]. Default value is 1.
5595 LPFC_ATTR_R(fdmi_on
, 1, 0, 1, "Enable FDMI support");
5598 # Specifies the maximum number of ELS cmds we can have outstanding (for
5599 # discovery). Value range is [1,64]. Default value = 32.
5601 LPFC_VPORT_ATTR(discovery_threads
, 32, 1, 64, "Maximum number of ELS commands "
5602 "during discovery");
5605 # lpfc_max_luns: maximum allowed LUN ID. This is the highest LUN ID that
5606 # will be scanned by the SCSI midlayer when sequential scanning is
5607 # used; and is also the highest LUN ID allowed when the SCSI midlayer
5608 # parses REPORT_LUN responses. The lpfc driver has no LUN count or
5609 # LUN ID limit, but the SCSI midlayer requires this field for the uses
5610 # above. The lpfc driver limits the default value to 255 for two reasons.
5611 # As it bounds the sequential scan loop, scanning for thousands of luns
5612 # on a target can take minutes of wall clock time. Additionally,
5613 # there are FC targets, such as JBODs, that only recognize 8-bits of
5614 # LUN ID. When they receive a value greater than 8 bits, they chop off
5615 # the high order bits. In other words, they see LUN IDs 0, 256, 512,
5616 # and so on all as LUN ID 0. This causes the linux kernel, which sees
5617 # valid responses at each of the LUN IDs, to believe there are multiple
5618 # devices present, when in fact, there is only 1.
5619 # A customer that is aware of their target behaviors, and the results as
5620 # indicated above, is welcome to increase the lpfc_max_luns value.
5621 # As mentioned, this value is not used by the lpfc driver, only the
5623 # Value range is [0,65535]. Default value is 255.
5624 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
5626 LPFC_VPORT_ULL_ATTR_R(max_luns
, 255, 0, 65535, "Maximum allowed LUN ID");
5629 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
5630 # Value range is [1,255], default value is 10.
5632 LPFC_ATTR_RW(poll_tmo
, 10, 1, 255,
5633 "Milliseconds driver will wait between polling FCP ring");
5636 # lpfc_task_mgmt_tmo: Maximum time to wait for task management commands
5637 # to complete in seconds. Value range is [5,180], default value is 60.
5639 LPFC_ATTR_RW(task_mgmt_tmo
, 60, 5, 180,
5640 "Maximum time to wait for task management commands to complete");
5642 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
5643 # support this feature
5646 # 2 = MSI-X enabled (default)
5647 # Value range is [0,2]. Default value is 2.
5649 LPFC_ATTR_R(use_msi
, 2, 0, 2, "Use Message Signaled Interrupts (1) or "
5650 "MSI-X (2), if possible");
5653 * lpfc_nvme_oas: Use the oas bit when sending NVME/NVMET IOs
5655 * 0 = NVME OAS disabled
5656 * 1 = NVME OAS enabled
5658 * Value range is [0,1]. Default value is 0.
5660 LPFC_ATTR_RW(nvme_oas
, 0, 0, 1,
5661 "Use OAS bit on NVME IOs");
5664 * lpfc_nvme_embed_cmd: Use the oas bit when sending NVME/NVMET IOs
5666 * 0 = Put NVME Command in SGL
5667 * 1 = Embed NVME Command in WQE (unless G7)
5668 * 2 = Embed NVME Command in WQE (force)
5670 * Value range is [0,2]. Default value is 1.
5672 LPFC_ATTR_RW(nvme_embed_cmd
, 1, 0, 2,
5673 "Embed NVME Command in WQE");
5676 * lpfc_fcp_mq_threshold: Set the maximum number of Hardware Queues
5677 * the driver will advertise it supports to the SCSI layer.
5679 * 0 = Set nr_hw_queues by the number of CPUs or HW queues.
5680 * 1,256 = Manually specify nr_hw_queue value to be advertised,
5682 * Value range is [0,256]. Default value is 8.
5684 LPFC_ATTR_R(fcp_mq_threshold
, LPFC_FCP_MQ_THRESHOLD_DEF
,
5685 LPFC_FCP_MQ_THRESHOLD_MIN
, LPFC_FCP_MQ_THRESHOLD_MAX
,
5686 "Set the number of SCSI Queues advertised");
5689 * lpfc_hdw_queue: Set the number of Hardware Queues the driver
5690 * will advertise it supports to the NVME and SCSI layers. This also
5691 * will map to the number of CQ/WQ pairs the driver will create.
5693 * The NVME Layer will try to create this many, plus 1 administrative
5694 * hardware queue. The administrative queue will always map to WQ 0
5695 * A hardware IO queue maps (qidx) to a specific driver CQ/WQ.
5697 * 0 = Configure the number of hdw queues to the number of active CPUs.
5698 * 1,256 = Manually specify how many hdw queues to use.
5700 * Value range is [0,256]. Default value is 0.
5702 LPFC_ATTR_R(hdw_queue
,
5704 LPFC_HBA_HDWQ_MIN
, LPFC_HBA_HDWQ_MAX
,
5705 "Set the number of I/O Hardware Queues");
5707 #if IS_ENABLED(CONFIG_X86)
5709 * lpfc_cpumask_irq_mode_init - initalizes cpumask of phba based on
5711 * @phba: Pointer to HBA context object.
5714 lpfc_cpumask_irq_mode_init(struct lpfc_hba
*phba
)
5716 unsigned int cpu
, first_cpu
, numa_node
= NUMA_NO_NODE
;
5717 const struct cpumask
*sibling_mask
;
5718 struct cpumask
*aff_mask
= &phba
->sli4_hba
.irq_aff_mask
;
5720 cpumask_clear(aff_mask
);
5722 if (phba
->irq_chann_mode
== NUMA_MODE
) {
5723 /* Check if we're a NUMA architecture */
5724 numa_node
= dev_to_node(&phba
->pcidev
->dev
);
5725 if (numa_node
== NUMA_NO_NODE
) {
5726 phba
->irq_chann_mode
= NORMAL_MODE
;
5731 for_each_possible_cpu(cpu
) {
5732 switch (phba
->irq_chann_mode
) {
5734 if (cpu_to_node(cpu
) == numa_node
)
5735 cpumask_set_cpu(cpu
, aff_mask
);
5738 sibling_mask
= topology_sibling_cpumask(cpu
);
5739 first_cpu
= cpumask_first(sibling_mask
);
5740 if (first_cpu
< nr_cpu_ids
)
5741 cpumask_set_cpu(first_cpu
, aff_mask
);
5751 lpfc_assign_default_irq_chann(struct lpfc_hba
*phba
)
5753 #if IS_ENABLED(CONFIG_X86)
5754 switch (boot_cpu_data
.x86_vendor
) {
5755 case X86_VENDOR_AMD
:
5756 /* If AMD architecture, then default is NUMA_MODE */
5757 phba
->irq_chann_mode
= NUMA_MODE
;
5759 case X86_VENDOR_INTEL
:
5760 /* If Intel architecture, then default is no hyperthread mode */
5761 phba
->irq_chann_mode
= NHT_MODE
;
5764 phba
->irq_chann_mode
= NORMAL_MODE
;
5767 lpfc_cpumask_irq_mode_init(phba
);
5769 phba
->irq_chann_mode
= NORMAL_MODE
;
5774 * lpfc_irq_chann: Set the number of IRQ vectors that are available
5775 * for Hardware Queues to utilize. This also will map to the number
5776 * of EQ / MSI-X vectors the driver will create. This should never be
5777 * more than the number of Hardware Queues
5779 * 0 = Configure number of IRQ Channels to:
5780 * if AMD architecture, number of CPUs on HBA's NUMA node
5781 * if Intel architecture, number of physical CPUs.
5782 * otherwise, number of active CPUs.
5783 * [1,256] = Manually specify how many IRQ Channels to use.
5785 * Value range is [0,256]. Default value is [0].
5787 static uint lpfc_irq_chann
= LPFC_IRQ_CHANN_DEF
;
5788 module_param(lpfc_irq_chann
, uint
, 0444);
5789 MODULE_PARM_DESC(lpfc_irq_chann
, "Set number of interrupt vectors to allocate");
5791 /* lpfc_irq_chann_init - Set the hba irq_chann initial value
5792 * @phba: lpfc_hba pointer.
5793 * @val: contains the initial value
5796 * Validates the initial value is within range and assigns it to the
5797 * adapter. If not in range, an error message is posted and the
5798 * default value is assigned.
5801 * zero if value is in range and is set
5802 * -EINVAL if value was out of range
5805 lpfc_irq_chann_init(struct lpfc_hba
*phba
, uint32_t val
)
5807 const struct cpumask
*aff_mask
;
5809 if (phba
->cfg_use_msi
!= 2) {
5810 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5811 "8532 use_msi = %u ignoring cfg_irq_numa\n",
5813 phba
->irq_chann_mode
= NORMAL_MODE
;
5814 phba
->cfg_irq_chann
= LPFC_IRQ_CHANN_DEF
;
5818 /* Check if default setting was passed */
5819 if (val
== LPFC_IRQ_CHANN_DEF
)
5820 lpfc_assign_default_irq_chann(phba
);
5822 if (phba
->irq_chann_mode
!= NORMAL_MODE
) {
5823 aff_mask
= &phba
->sli4_hba
.irq_aff_mask
;
5825 if (cpumask_empty(aff_mask
)) {
5826 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5827 "8533 Could not identify CPUS for "
5828 "mode %d, ignoring\n",
5829 phba
->irq_chann_mode
);
5830 phba
->irq_chann_mode
= NORMAL_MODE
;
5831 phba
->cfg_irq_chann
= LPFC_IRQ_CHANN_DEF
;
5833 phba
->cfg_irq_chann
= cpumask_weight(aff_mask
);
5835 /* If no hyperthread mode, then set hdwq count to
5836 * aff_mask weight as well
5838 if (phba
->irq_chann_mode
== NHT_MODE
)
5839 phba
->cfg_hdw_queue
= phba
->cfg_irq_chann
;
5841 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5842 "8543 lpfc_irq_chann set to %u "
5843 "(mode: %d)\n", phba
->cfg_irq_chann
,
5844 phba
->irq_chann_mode
);
5847 if (val
> LPFC_IRQ_CHANN_MAX
) {
5848 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5849 "8545 lpfc_irq_chann attribute cannot "
5850 "be set to %u, allowed range is "
5854 LPFC_IRQ_CHANN_MAX
);
5855 phba
->cfg_irq_chann
= LPFC_IRQ_CHANN_DEF
;
5858 phba
->cfg_irq_chann
= val
;
5865 * lpfc_irq_chann_show - Display value of irq_chann
5866 * @dev: class converted to a Scsi_host structure.
5867 * @attr: device attribute, not used.
5868 * @buf: on return contains a string with the list sizes
5870 * Returns: size of formatted string.
5873 lpfc_irq_chann_show(struct device
*dev
, struct device_attribute
*attr
,
5876 struct Scsi_Host
*shost
= class_to_shost(dev
);
5877 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
5878 struct lpfc_hba
*phba
= vport
->phba
;
5880 return scnprintf(buf
, PAGE_SIZE
, "%u\n", phba
->cfg_irq_chann
);
5883 static DEVICE_ATTR_RO(lpfc_irq_chann
);
5886 # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
5887 # 0 = HBA resets disabled
5888 # 1 = HBA resets enabled (default)
5889 # 2 = HBA reset via PCI bus reset enabled
5890 # Value range is [0,2]. Default value is 1.
5892 LPFC_ATTR_RW(enable_hba_reset
, 1, 0, 2, "Enable HBA resets from the driver.");
5895 # lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer..
5896 # 0 = HBA Heartbeat disabled
5897 # 1 = HBA Heartbeat enabled (default)
5898 # Value range is [0,1]. Default value is 1.
5900 LPFC_ATTR_R(enable_hba_heartbeat
, 0, 0, 1, "Enable HBA Heartbeat.");
5903 # lpfc_EnableXLane: Enable Express Lane Feature
5904 # 0x0 Express Lane Feature disabled
5905 # 0x1 Express Lane Feature enabled
5906 # Value range is [0,1]. Default value is 0.
5908 LPFC_ATTR_R(EnableXLane
, 0, 0, 1, "Enable Express Lane Feature.");
5911 # lpfc_XLanePriority: Define CS_CTL priority for Express Lane Feature
5912 # 0x0 - 0x7f = CS_CTL field in FC header (high 7 bits)
5913 # Value range is [0x0,0x7f]. Default value is 0
5915 LPFC_ATTR_RW(XLanePriority
, 0, 0x0, 0x7f, "CS_CTL for Express Lane Feature.");
5918 # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF)
5919 # 0 = BlockGuard disabled (default)
5920 # 1 = BlockGuard enabled
5921 # Value range is [0,1]. Default value is 0.
5923 LPFC_ATTR_R(enable_bg
, 0, 0, 1, "Enable BlockGuard Support");
5927 # - Bit mask of host protection capabilities used to register with the
5929 # - Only meaningful if BG is turned on (lpfc_enable_bg=1).
5930 # - Allows you to ultimately specify which profiles to use
5931 # - Default will result in registering capabilities for all profiles.
5932 # - SHOST_DIF_TYPE1_PROTECTION 1
5933 # HBA supports T10 DIF Type 1: HBA to Target Type 1 Protection
5934 # - SHOST_DIX_TYPE0_PROTECTION 8
5935 # HBA supports DIX Type 0: Host to HBA protection only
5936 # - SHOST_DIX_TYPE1_PROTECTION 16
5937 # HBA supports DIX Type 1: Host to HBA Type 1 protection
5940 LPFC_ATTR(prot_mask
,
5941 (SHOST_DIF_TYPE1_PROTECTION
|
5942 SHOST_DIX_TYPE0_PROTECTION
|
5943 SHOST_DIX_TYPE1_PROTECTION
),
5945 (SHOST_DIF_TYPE1_PROTECTION
|
5946 SHOST_DIX_TYPE0_PROTECTION
|
5947 SHOST_DIX_TYPE1_PROTECTION
),
5948 "T10-DIF host protection capabilities mask");
5951 # lpfc_prot_guard: i
5952 # - Bit mask of protection guard types to register with the SCSI mid-layer
5953 # - Guard types are currently either 1) T10-DIF CRC 2) IP checksum
5954 # - Allows you to ultimately specify which profiles to use
5955 # - Default will result in registering capabilities for all guard types
5958 LPFC_ATTR(prot_guard
,
5959 SHOST_DIX_GUARD_IP
, SHOST_DIX_GUARD_CRC
, SHOST_DIX_GUARD_IP
,
5960 "T10-DIF host protection guard type");
5963 * Delay initial NPort discovery when Clean Address bit is cleared in
5964 * FLOGI/FDISC accept and FCID/Fabric name/Fabric portname is changed.
5965 * This parameter can have value 0 or 1.
5966 * When this parameter is set to 0, no delay is added to the initial
5968 * When this parameter is set to non-zero value, initial Nport discovery is
5969 * delayed by ra_tov seconds when Clean Address bit is cleared in FLOGI/FDISC
5970 * accept and FCID/Fabric name/Fabric portname is changed.
5971 * Driver always delay Nport discovery for subsequent FLOGI/FDISC completion
5972 * when Clean Address bit is cleared in FLOGI/FDISC
5973 * accept and FCID/Fabric name/Fabric portname is changed.
5974 * Default value is 0.
5976 LPFC_ATTR(delay_discovery
, 0, 0, 1,
5977 "Delay NPort discovery when Clean Address bit is cleared.");
5980 * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count
5981 * This value can be set to values between 64 and 4096. The default value
5982 * is 64, but may be increased to allow for larger Max I/O sizes. The scsi
5983 * and nvme layers will allow I/O sizes up to (MAX_SEG_COUNT * SEG_SIZE).
5984 * Because of the additional overhead involved in setting up T10-DIF,
5985 * this parameter will be limited to 128 if BlockGuard is enabled under SLI4
5986 * and will be limited to 512 if BlockGuard is enabled under SLI3.
5988 static uint lpfc_sg_seg_cnt
= LPFC_DEFAULT_SG_SEG_CNT
;
5989 module_param(lpfc_sg_seg_cnt
, uint
, 0444);
5990 MODULE_PARM_DESC(lpfc_sg_seg_cnt
, "Max Scatter Gather Segment Count");
5993 * lpfc_sg_seg_cnt_show - Display the scatter/gather list sizes
5994 * configured for the adapter
5995 * @dev: class converted to a Scsi_host structure.
5996 * @attr: device attribute, not used.
5997 * @buf: on return contains a string with the list sizes
5999 * Returns: size of formatted string.
6002 lpfc_sg_seg_cnt_show(struct device
*dev
, struct device_attribute
*attr
,
6005 struct Scsi_Host
*shost
= class_to_shost(dev
);
6006 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
6007 struct lpfc_hba
*phba
= vport
->phba
;
6010 len
= scnprintf(buf
, PAGE_SIZE
, "SGL sz: %d total SGEs: %d\n",
6011 phba
->cfg_sg_dma_buf_size
, phba
->cfg_total_seg_cnt
);
6013 len
+= scnprintf(buf
+ len
, PAGE_SIZE
- len
,
6014 "Cfg: %d SCSI: %d NVME: %d\n",
6015 phba
->cfg_sg_seg_cnt
, phba
->cfg_scsi_seg_cnt
,
6016 phba
->cfg_nvme_seg_cnt
);
6020 static DEVICE_ATTR_RO(lpfc_sg_seg_cnt
);
6023 * lpfc_sg_seg_cnt_init - Set the hba sg_seg_cnt initial value
6024 * @phba: lpfc_hba pointer.
6025 * @val: contains the initial value
6028 * Validates the initial value is within range and assigns it to the
6029 * adapter. If not in range, an error message is posted and the
6030 * default value is assigned.
6033 * zero if value is in range and is set
6034 * -EINVAL if value was out of range
6037 lpfc_sg_seg_cnt_init(struct lpfc_hba
*phba
, int val
)
6039 if (val
>= LPFC_MIN_SG_SEG_CNT
&& val
<= LPFC_MAX_SG_SEG_CNT
) {
6040 phba
->cfg_sg_seg_cnt
= val
;
6043 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6044 "0409 "LPFC_DRIVER_NAME
"_sg_seg_cnt attribute cannot "
6045 "be set to %d, allowed range is [%d, %d]\n",
6046 val
, LPFC_MIN_SG_SEG_CNT
, LPFC_MAX_SG_SEG_CNT
);
6047 phba
->cfg_sg_seg_cnt
= LPFC_DEFAULT_SG_SEG_CNT
;
6052 * lpfc_enable_mds_diags: Enable MDS Diagnostics
6053 * 0 = MDS Diagnostics disabled (default)
6054 * 1 = MDS Diagnostics enabled
6055 * Value range is [0,1]. Default value is 0.
6057 LPFC_ATTR_RW(enable_mds_diags
, 0, 0, 1, "Enable MDS Diagnostics");
6060 * lpfc_ras_fwlog_buffsize: Firmware logging host buffer size
6061 * 0 = Disable firmware logging (default)
6062 * [1-4] = Multiple of 1/4th Mb of host memory for FW logging
6063 * Value range [0..4]. Default value is 0
6065 LPFC_ATTR(ras_fwlog_buffsize
, 0, 0, 4, "Host memory for FW logging");
6066 lpfc_param_show(ras_fwlog_buffsize
);
6069 lpfc_ras_fwlog_buffsize_set(struct lpfc_hba
*phba
, uint val
)
6072 enum ras_state state
;
6074 if (!lpfc_rangecheck(val
, 0, 4))
6077 if (phba
->cfg_ras_fwlog_buffsize
== val
)
6080 if (phba
->cfg_ras_fwlog_func
!= PCI_FUNC(phba
->pcidev
->devfn
))
6083 spin_lock_irq(&phba
->hbalock
);
6084 state
= phba
->ras_fwlog
.state
;
6085 spin_unlock_irq(&phba
->hbalock
);
6087 if (state
== REG_INPROGRESS
) {
6088 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
, "6147 RAS Logging "
6089 "registration is in progress\n");
6093 /* For disable logging: stop the logs and free the DMA.
6094 * For ras_fwlog_buffsize size change we still need to free and
6095 * reallocate the DMA in lpfc_sli4_ras_fwlog_init.
6097 phba
->cfg_ras_fwlog_buffsize
= val
;
6098 if (state
== ACTIVE
) {
6099 lpfc_ras_stop_fwlog(phba
);
6100 lpfc_sli4_ras_dma_free(phba
);
6103 lpfc_sli4_ras_init(phba
);
6104 if (phba
->ras_fwlog
.ras_enabled
)
6105 ret
= lpfc_sli4_ras_fwlog_init(phba
, phba
->cfg_ras_fwlog_level
,
6106 LPFC_RAS_ENABLE_LOGGING
);
6110 lpfc_param_store(ras_fwlog_buffsize
);
6111 static DEVICE_ATTR_RW(lpfc_ras_fwlog_buffsize
);
6114 * lpfc_ras_fwlog_level: Firmware logging verbosity level
6115 * Valid only if firmware logging is enabled
6116 * 0(Least Verbosity) 4 (most verbosity)
6117 * Value range is [0..4]. Default value is 0
6119 LPFC_ATTR_RW(ras_fwlog_level
, 0, 0, 4, "Firmware Logging Level");
6122 * lpfc_ras_fwlog_func: Firmware logging enabled on function number
6123 * Default function which has RAS support : 0
6124 * Value Range is [0..7].
6125 * FW logging is a global action and enablement is via a specific
6128 LPFC_ATTR_RW(ras_fwlog_func
, 0, 0, 7, "Firmware Logging Enabled on Function");
6131 * lpfc_enable_bbcr: Enable BB Credit Recovery
6132 * 0 = BB Credit Recovery disabled
6133 * 1 = BB Credit Recovery enabled (default)
6134 * Value range is [0,1]. Default value is 1.
6136 LPFC_BBCR_ATTR_RW(enable_bbcr
, 1, 0, 1, "Enable BBC Recovery");
6139 * lpfc_enable_dpp: Enable DPP on G7
6140 * 0 = DPP on G7 disabled
6141 * 1 = DPP on G7 enabled (default)
6142 * Value range is [0,1]. Default value is 1.
6144 LPFC_ATTR_RW(enable_dpp
, 1, 0, 1, "Enable Direct Packet Push");
6147 * lpfc_enable_mi: Enable FDMI MIB
6149 * 1 = enabled (default)
6150 * Value range is [0,1].
6152 LPFC_ATTR_R(enable_mi
, 1, 0, 1, "Enable MI");
6154 struct device_attribute
*lpfc_hba_attrs
[] = {
6155 &dev_attr_nvme_info
,
6156 &dev_attr_scsi_stat
,
6158 &dev_attr_bg_guard_err
,
6159 &dev_attr_bg_apptag_err
,
6160 &dev_attr_bg_reftag_err
,
6162 &dev_attr_serialnum
,
6163 &dev_attr_modeldesc
,
6164 &dev_attr_modelname
,
6165 &dev_attr_programtype
,
6169 &dev_attr_option_rom_version
,
6170 &dev_attr_link_state
,
6171 &dev_attr_num_discovered_ports
,
6172 &dev_attr_menlo_mgmt_mode
,
6173 &dev_attr_lpfc_drvr_version
,
6174 &dev_attr_lpfc_enable_fip
,
6175 &dev_attr_lpfc_temp_sensor
,
6176 &dev_attr_lpfc_log_verbose
,
6177 &dev_attr_lpfc_lun_queue_depth
,
6178 &dev_attr_lpfc_tgt_queue_depth
,
6179 &dev_attr_lpfc_hba_queue_depth
,
6180 &dev_attr_lpfc_peer_port_login
,
6181 &dev_attr_lpfc_nodev_tmo
,
6182 &dev_attr_lpfc_devloss_tmo
,
6183 &dev_attr_lpfc_enable_fc4_type
,
6184 &dev_attr_lpfc_fcp_class
,
6185 &dev_attr_lpfc_use_adisc
,
6186 &dev_attr_lpfc_first_burst_size
,
6187 &dev_attr_lpfc_ack0
,
6188 &dev_attr_lpfc_xri_rebalancing
,
6189 &dev_attr_lpfc_topology
,
6190 &dev_attr_lpfc_scan_down
,
6191 &dev_attr_lpfc_link_speed
,
6192 &dev_attr_lpfc_fcp_io_sched
,
6193 &dev_attr_lpfc_ns_query
,
6194 &dev_attr_lpfc_fcp2_no_tgt_reset
,
6195 &dev_attr_lpfc_cr_delay
,
6196 &dev_attr_lpfc_cr_count
,
6197 &dev_attr_lpfc_multi_ring_support
,
6198 &dev_attr_lpfc_multi_ring_rctl
,
6199 &dev_attr_lpfc_multi_ring_type
,
6200 &dev_attr_lpfc_fdmi_on
,
6201 &dev_attr_lpfc_enable_SmartSAN
,
6202 &dev_attr_lpfc_max_luns
,
6203 &dev_attr_lpfc_enable_npiv
,
6204 &dev_attr_lpfc_fcf_failover_policy
,
6205 &dev_attr_lpfc_enable_rrq
,
6206 &dev_attr_nport_evt_cnt
,
6207 &dev_attr_board_mode
,
6214 &dev_attr_npiv_info
,
6215 &dev_attr_issue_reset
,
6216 &dev_attr_lpfc_poll
,
6217 &dev_attr_lpfc_poll_tmo
,
6218 &dev_attr_lpfc_task_mgmt_tmo
,
6219 &dev_attr_lpfc_use_msi
,
6220 &dev_attr_lpfc_nvme_oas
,
6221 &dev_attr_lpfc_nvme_embed_cmd
,
6222 &dev_attr_lpfc_fcp_imax
,
6223 &dev_attr_lpfc_force_rscn
,
6224 &dev_attr_lpfc_cq_poll_threshold
,
6225 &dev_attr_lpfc_cq_max_proc_limit
,
6226 &dev_attr_lpfc_fcp_cpu_map
,
6227 &dev_attr_lpfc_fcp_mq_threshold
,
6228 &dev_attr_lpfc_hdw_queue
,
6229 &dev_attr_lpfc_irq_chann
,
6230 &dev_attr_lpfc_suppress_rsp
,
6231 &dev_attr_lpfc_nvmet_mrq
,
6232 &dev_attr_lpfc_nvmet_mrq_post
,
6233 &dev_attr_lpfc_nvme_enable_fb
,
6234 &dev_attr_lpfc_nvmet_fb_size
,
6235 &dev_attr_lpfc_enable_bg
,
6236 &dev_attr_lpfc_soft_wwnn
,
6237 &dev_attr_lpfc_soft_wwpn
,
6238 &dev_attr_lpfc_soft_wwn_enable
,
6239 &dev_attr_lpfc_enable_hba_reset
,
6240 &dev_attr_lpfc_enable_hba_heartbeat
,
6241 &dev_attr_lpfc_EnableXLane
,
6242 &dev_attr_lpfc_XLanePriority
,
6243 &dev_attr_lpfc_xlane_lun
,
6244 &dev_attr_lpfc_xlane_tgt
,
6245 &dev_attr_lpfc_xlane_vpt
,
6246 &dev_attr_lpfc_xlane_lun_state
,
6247 &dev_attr_lpfc_xlane_lun_status
,
6248 &dev_attr_lpfc_xlane_priority
,
6249 &dev_attr_lpfc_sg_seg_cnt
,
6250 &dev_attr_lpfc_max_scsicmpl_time
,
6251 &dev_attr_lpfc_stat_data_ctrl
,
6252 &dev_attr_lpfc_aer_support
,
6253 &dev_attr_lpfc_aer_state_cleanup
,
6254 &dev_attr_lpfc_sriov_nr_virtfn
,
6255 &dev_attr_lpfc_req_fw_upgrade
,
6256 &dev_attr_lpfc_suppress_link_up
,
6261 &dev_attr_txcmplq_hw
,
6262 &dev_attr_lpfc_sriov_hw_max_virtfn
,
6264 &dev_attr_lpfc_xlane_supported
,
6265 &dev_attr_lpfc_enable_mds_diags
,
6266 &dev_attr_lpfc_ras_fwlog_buffsize
,
6267 &dev_attr_lpfc_ras_fwlog_level
,
6268 &dev_attr_lpfc_ras_fwlog_func
,
6269 &dev_attr_lpfc_enable_bbcr
,
6270 &dev_attr_lpfc_enable_dpp
,
6271 &dev_attr_lpfc_enable_mi
,
6275 struct device_attribute
*lpfc_vport_attrs
[] = {
6277 &dev_attr_link_state
,
6278 &dev_attr_num_discovered_ports
,
6279 &dev_attr_lpfc_drvr_version
,
6280 &dev_attr_lpfc_log_verbose
,
6281 &dev_attr_lpfc_lun_queue_depth
,
6282 &dev_attr_lpfc_tgt_queue_depth
,
6283 &dev_attr_lpfc_nodev_tmo
,
6284 &dev_attr_lpfc_devloss_tmo
,
6285 &dev_attr_lpfc_hba_queue_depth
,
6286 &dev_attr_lpfc_peer_port_login
,
6287 &dev_attr_lpfc_restrict_login
,
6288 &dev_attr_lpfc_fcp_class
,
6289 &dev_attr_lpfc_use_adisc
,
6290 &dev_attr_lpfc_first_burst_size
,
6291 &dev_attr_lpfc_max_luns
,
6292 &dev_attr_nport_evt_cnt
,
6293 &dev_attr_npiv_info
,
6294 &dev_attr_lpfc_enable_da_id
,
6295 &dev_attr_lpfc_max_scsicmpl_time
,
6296 &dev_attr_lpfc_stat_data_ctrl
,
6297 &dev_attr_lpfc_static_vport
,
6302 * sysfs_ctlreg_write - Write method for writing to ctlreg
6303 * @filp: open sysfs file
6304 * @kobj: kernel kobject that contains the kernel class device.
6305 * @bin_attr: kernel attributes passed to us.
6306 * @buf: contains the data to be written to the adapter IOREG space.
6307 * @off: offset into buffer to beginning of data.
6308 * @count: bytes to transfer.
6311 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
6312 * Uses the adapter io control registers to send buf contents to the adapter.
6315 * -ERANGE off and count combo out of range
6316 * -EINVAL off, count or buff address invalid
6317 * -EPERM adapter is offline
6318 * value of count, buf contents written
6321 sysfs_ctlreg_write(struct file
*filp
, struct kobject
*kobj
,
6322 struct bin_attribute
*bin_attr
,
6323 char *buf
, loff_t off
, size_t count
)
6326 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
6327 struct Scsi_Host
*shost
= class_to_shost(dev
);
6328 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
6329 struct lpfc_hba
*phba
= vport
->phba
;
6331 if (phba
->sli_rev
>= LPFC_SLI_REV4
)
6334 if ((off
+ count
) > FF_REG_AREA_SIZE
)
6337 if (count
<= LPFC_REG_WRITE_KEY_SIZE
)
6340 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
6343 /* This is to protect HBA registers from accidental writes. */
6344 if (memcmp(buf
, LPFC_REG_WRITE_KEY
, LPFC_REG_WRITE_KEY_SIZE
))
6347 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
6350 spin_lock_irq(&phba
->hbalock
);
6351 for (buf_off
= 0; buf_off
< count
- LPFC_REG_WRITE_KEY_SIZE
;
6352 buf_off
+= sizeof(uint32_t))
6353 writel(*((uint32_t *)(buf
+ buf_off
+ LPFC_REG_WRITE_KEY_SIZE
)),
6354 phba
->ctrl_regs_memmap_p
+ off
+ buf_off
);
6356 spin_unlock_irq(&phba
->hbalock
);
6362 * sysfs_ctlreg_read - Read method for reading from ctlreg
6363 * @filp: open sysfs file
6364 * @kobj: kernel kobject that contains the kernel class device.
6365 * @bin_attr: kernel attributes passed to us.
6366 * @buf: if successful contains the data from the adapter IOREG space.
6367 * @off: offset into buffer to beginning of data.
6368 * @count: bytes to transfer.
6371 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
6372 * Uses the adapter io control registers to read data into buf.
6375 * -ERANGE off and count combo out of range
6376 * -EINVAL off, count or buff address invalid
6377 * value of count, buf contents read
6380 sysfs_ctlreg_read(struct file
*filp
, struct kobject
*kobj
,
6381 struct bin_attribute
*bin_attr
,
6382 char *buf
, loff_t off
, size_t count
)
6386 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
6387 struct Scsi_Host
*shost
= class_to_shost(dev
);
6388 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
6389 struct lpfc_hba
*phba
= vport
->phba
;
6391 if (phba
->sli_rev
>= LPFC_SLI_REV4
)
6394 if (off
> FF_REG_AREA_SIZE
)
6397 if ((off
+ count
) > FF_REG_AREA_SIZE
)
6398 count
= FF_REG_AREA_SIZE
- off
;
6400 if (count
== 0) return 0;
6402 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
6405 spin_lock_irq(&phba
->hbalock
);
6407 for (buf_off
= 0; buf_off
< count
; buf_off
+= sizeof(uint32_t)) {
6408 tmp_ptr
= (uint32_t *)(buf
+ buf_off
);
6409 *tmp_ptr
= readl(phba
->ctrl_regs_memmap_p
+ off
+ buf_off
);
6412 spin_unlock_irq(&phba
->hbalock
);
6417 static struct bin_attribute sysfs_ctlreg_attr
= {
6420 .mode
= S_IRUSR
| S_IWUSR
,
6423 .read
= sysfs_ctlreg_read
,
6424 .write
= sysfs_ctlreg_write
,
6428 * sysfs_mbox_write - Write method for writing information via mbox
6429 * @filp: open sysfs file
6430 * @kobj: kernel kobject that contains the kernel class device.
6431 * @bin_attr: kernel attributes passed to us.
6432 * @buf: contains the data to be written to sysfs mbox.
6433 * @off: offset into buffer to beginning of data.
6434 * @count: bytes to transfer.
6437 * Deprecated function. All mailbox access from user space is performed via the
6441 * -EPERM operation not permitted
6444 sysfs_mbox_write(struct file
*filp
, struct kobject
*kobj
,
6445 struct bin_attribute
*bin_attr
,
6446 char *buf
, loff_t off
, size_t count
)
6452 * sysfs_mbox_read - Read method for reading information via mbox
6453 * @filp: open sysfs file
6454 * @kobj: kernel kobject that contains the kernel class device.
6455 * @bin_attr: kernel attributes passed to us.
6456 * @buf: contains the data to be read from sysfs mbox.
6457 * @off: offset into buffer to beginning of data.
6458 * @count: bytes to transfer.
6461 * Deprecated function. All mailbox access from user space is performed via the
6465 * -EPERM operation not permitted
6468 sysfs_mbox_read(struct file
*filp
, struct kobject
*kobj
,
6469 struct bin_attribute
*bin_attr
,
6470 char *buf
, loff_t off
, size_t count
)
6475 static struct bin_attribute sysfs_mbox_attr
= {
6478 .mode
= S_IRUSR
| S_IWUSR
,
6480 .size
= MAILBOX_SYSFS_MAX
,
6481 .read
= sysfs_mbox_read
,
6482 .write
= sysfs_mbox_write
,
6486 * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries
6487 * @vport: address of lpfc vport structure.
6491 * error return code from sysfs_create_bin_file()
6494 lpfc_alloc_sysfs_attr(struct lpfc_vport
*vport
)
6496 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
6499 error
= sysfs_create_bin_file(&shost
->shost_dev
.kobj
,
6500 &sysfs_drvr_stat_data_attr
);
6502 /* Virtual ports do not need ctrl_reg and mbox */
6503 if (error
|| vport
->port_type
== LPFC_NPIV_PORT
)
6506 error
= sysfs_create_bin_file(&shost
->shost_dev
.kobj
,
6507 &sysfs_ctlreg_attr
);
6509 goto out_remove_stat_attr
;
6511 error
= sysfs_create_bin_file(&shost
->shost_dev
.kobj
,
6514 goto out_remove_ctlreg_attr
;
6517 out_remove_ctlreg_attr
:
6518 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
, &sysfs_ctlreg_attr
);
6519 out_remove_stat_attr
:
6520 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
,
6521 &sysfs_drvr_stat_data_attr
);
6527 * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries
6528 * @vport: address of lpfc vport structure.
6531 lpfc_free_sysfs_attr(struct lpfc_vport
*vport
)
6533 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
6534 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
,
6535 &sysfs_drvr_stat_data_attr
);
6536 /* Virtual ports do not need ctrl_reg and mbox */
6537 if (vport
->port_type
== LPFC_NPIV_PORT
)
6539 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
, &sysfs_mbox_attr
);
6540 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
, &sysfs_ctlreg_attr
);
6544 * Dynamic FC Host Attributes Support
6548 * lpfc_get_host_symbolic_name - Copy symbolic name into the scsi host
6549 * @shost: kernel scsi host pointer.
6552 lpfc_get_host_symbolic_name(struct Scsi_Host
*shost
)
6554 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
6556 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
6557 sizeof fc_host_symbolic_name(shost
));
6561 * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id
6562 * @shost: kernel scsi host pointer.
6565 lpfc_get_host_port_id(struct Scsi_Host
*shost
)
6567 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
6569 /* note: fc_myDID already in cpu endianness */
6570 fc_host_port_id(shost
) = vport
->fc_myDID
;
6574 * lpfc_get_host_port_type - Set the value of the scsi host port type
6575 * @shost: kernel scsi host pointer.
6578 lpfc_get_host_port_type(struct Scsi_Host
*shost
)
6580 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
6581 struct lpfc_hba
*phba
= vport
->phba
;
6583 spin_lock_irq(shost
->host_lock
);
6585 if (vport
->port_type
== LPFC_NPIV_PORT
) {
6586 fc_host_port_type(shost
) = FC_PORTTYPE_NPIV
;
6587 } else if (lpfc_is_link_up(phba
)) {
6588 if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
6589 if (vport
->fc_flag
& FC_PUBLIC_LOOP
)
6590 fc_host_port_type(shost
) = FC_PORTTYPE_NLPORT
;
6592 fc_host_port_type(shost
) = FC_PORTTYPE_LPORT
;
6594 if (vport
->fc_flag
& FC_FABRIC
)
6595 fc_host_port_type(shost
) = FC_PORTTYPE_NPORT
;
6597 fc_host_port_type(shost
) = FC_PORTTYPE_PTP
;
6600 fc_host_port_type(shost
) = FC_PORTTYPE_UNKNOWN
;
6602 spin_unlock_irq(shost
->host_lock
);
6606 * lpfc_get_host_port_state - Set the value of the scsi host port state
6607 * @shost: kernel scsi host pointer.
6610 lpfc_get_host_port_state(struct Scsi_Host
*shost
)
6612 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
6613 struct lpfc_hba
*phba
= vport
->phba
;
6615 spin_lock_irq(shost
->host_lock
);
6617 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
6618 fc_host_port_state(shost
) = FC_PORTSTATE_OFFLINE
;
6620 switch (phba
->link_state
) {
6621 case LPFC_LINK_UNKNOWN
:
6622 case LPFC_LINK_DOWN
:
6623 fc_host_port_state(shost
) = FC_PORTSTATE_LINKDOWN
;
6627 case LPFC_HBA_READY
:
6628 /* Links up, reports port state accordingly */
6629 if (vport
->port_state
< LPFC_VPORT_READY
)
6630 fc_host_port_state(shost
) =
6631 FC_PORTSTATE_BYPASSED
;
6633 fc_host_port_state(shost
) =
6634 FC_PORTSTATE_ONLINE
;
6636 case LPFC_HBA_ERROR
:
6637 fc_host_port_state(shost
) = FC_PORTSTATE_ERROR
;
6640 fc_host_port_state(shost
) = FC_PORTSTATE_UNKNOWN
;
6645 spin_unlock_irq(shost
->host_lock
);
6649 * lpfc_get_host_speed - Set the value of the scsi host speed
6650 * @shost: kernel scsi host pointer.
6653 lpfc_get_host_speed(struct Scsi_Host
*shost
)
6655 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
6656 struct lpfc_hba
*phba
= vport
->phba
;
6658 spin_lock_irq(shost
->host_lock
);
6660 if ((lpfc_is_link_up(phba
)) && (!(phba
->hba_flag
& HBA_FCOE_MODE
))) {
6661 switch(phba
->fc_linkspeed
) {
6662 case LPFC_LINK_SPEED_1GHZ
:
6663 fc_host_speed(shost
) = FC_PORTSPEED_1GBIT
;
6665 case LPFC_LINK_SPEED_2GHZ
:
6666 fc_host_speed(shost
) = FC_PORTSPEED_2GBIT
;
6668 case LPFC_LINK_SPEED_4GHZ
:
6669 fc_host_speed(shost
) = FC_PORTSPEED_4GBIT
;
6671 case LPFC_LINK_SPEED_8GHZ
:
6672 fc_host_speed(shost
) = FC_PORTSPEED_8GBIT
;
6674 case LPFC_LINK_SPEED_10GHZ
:
6675 fc_host_speed(shost
) = FC_PORTSPEED_10GBIT
;
6677 case LPFC_LINK_SPEED_16GHZ
:
6678 fc_host_speed(shost
) = FC_PORTSPEED_16GBIT
;
6680 case LPFC_LINK_SPEED_32GHZ
:
6681 fc_host_speed(shost
) = FC_PORTSPEED_32GBIT
;
6683 case LPFC_LINK_SPEED_64GHZ
:
6684 fc_host_speed(shost
) = FC_PORTSPEED_64GBIT
;
6686 case LPFC_LINK_SPEED_128GHZ
:
6687 fc_host_speed(shost
) = FC_PORTSPEED_128GBIT
;
6690 fc_host_speed(shost
) = FC_PORTSPEED_UNKNOWN
;
6693 } else if (lpfc_is_link_up(phba
) && (phba
->hba_flag
& HBA_FCOE_MODE
)) {
6694 switch (phba
->fc_linkspeed
) {
6695 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
6696 fc_host_speed(shost
) = FC_PORTSPEED_1GBIT
;
6698 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
6699 fc_host_speed(shost
) = FC_PORTSPEED_10GBIT
;
6701 case LPFC_ASYNC_LINK_SPEED_20GBPS
:
6702 fc_host_speed(shost
) = FC_PORTSPEED_20GBIT
;
6704 case LPFC_ASYNC_LINK_SPEED_25GBPS
:
6705 fc_host_speed(shost
) = FC_PORTSPEED_25GBIT
;
6707 case LPFC_ASYNC_LINK_SPEED_40GBPS
:
6708 fc_host_speed(shost
) = FC_PORTSPEED_40GBIT
;
6710 case LPFC_ASYNC_LINK_SPEED_100GBPS
:
6711 fc_host_speed(shost
) = FC_PORTSPEED_100GBIT
;
6714 fc_host_speed(shost
) = FC_PORTSPEED_UNKNOWN
;
6718 fc_host_speed(shost
) = FC_PORTSPEED_UNKNOWN
;
6720 spin_unlock_irq(shost
->host_lock
);
6724 * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name
6725 * @shost: kernel scsi host pointer.
6728 lpfc_get_host_fabric_name (struct Scsi_Host
*shost
)
6730 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
6731 struct lpfc_hba
*phba
= vport
->phba
;
6734 spin_lock_irq(shost
->host_lock
);
6736 if ((vport
->port_state
> LPFC_FLOGI
) &&
6737 ((vport
->fc_flag
& FC_FABRIC
) ||
6738 ((phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) &&
6739 (vport
->fc_flag
& FC_PUBLIC_LOOP
))))
6740 node_name
= wwn_to_u64(phba
->fc_fabparam
.nodeName
.u
.wwn
);
6742 /* fabric is local port if there is no F/FL_Port */
6745 spin_unlock_irq(shost
->host_lock
);
6747 fc_host_fabric_name(shost
) = node_name
;
6751 * lpfc_get_stats - Return statistical information about the adapter
6752 * @shost: kernel scsi host pointer.
6755 * NULL on error for link down, no mbox pool, sli2 active,
6756 * management not allowed, memory allocation error, or mbox error.
6760 * address of the adapter host statistics
6762 static struct fc_host_statistics
*
6763 lpfc_get_stats(struct Scsi_Host
*shost
)
6765 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
6766 struct lpfc_hba
*phba
= vport
->phba
;
6767 struct lpfc_sli
*psli
= &phba
->sli
;
6768 struct fc_host_statistics
*hs
= &phba
->link_stats
;
6769 struct lpfc_lnk_stat
* lso
= &psli
->lnk_stat_offsets
;
6770 LPFC_MBOXQ_t
*pmboxq
;
6775 * prevent udev from issuing mailbox commands until the port is
6778 if (phba
->link_state
< LPFC_LINK_DOWN
||
6779 !phba
->mbox_mem_pool
||
6780 (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
) == 0)
6783 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
6786 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6789 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
6791 pmb
= &pmboxq
->u
.mb
;
6792 pmb
->mbxCommand
= MBX_READ_STATUS
;
6793 pmb
->mbxOwner
= OWN_HOST
;
6794 pmboxq
->ctx_buf
= NULL
;
6795 pmboxq
->vport
= vport
;
6797 if (vport
->fc_flag
& FC_OFFLINE_MODE
) {
6798 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
6799 if (rc
!= MBX_SUCCESS
) {
6800 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
6804 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
6805 if (rc
!= MBX_SUCCESS
) {
6806 if (rc
!= MBX_TIMEOUT
)
6807 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
6812 memset(hs
, 0, sizeof (struct fc_host_statistics
));
6814 hs
->tx_frames
= pmb
->un
.varRdStatus
.xmitFrameCnt
;
6816 * The MBX_READ_STATUS returns tx_k_bytes which has to
6817 * converted to words
6819 hs
->tx_words
= (uint64_t)
6820 ((uint64_t)pmb
->un
.varRdStatus
.xmitByteCnt
6822 hs
->rx_frames
= pmb
->un
.varRdStatus
.rcvFrameCnt
;
6823 hs
->rx_words
= (uint64_t)
6824 ((uint64_t)pmb
->un
.varRdStatus
.rcvByteCnt
6827 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
6828 pmb
->mbxCommand
= MBX_READ_LNK_STAT
;
6829 pmb
->mbxOwner
= OWN_HOST
;
6830 pmboxq
->ctx_buf
= NULL
;
6831 pmboxq
->vport
= vport
;
6833 if (vport
->fc_flag
& FC_OFFLINE_MODE
) {
6834 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
6835 if (rc
!= MBX_SUCCESS
) {
6836 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
6840 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
6841 if (rc
!= MBX_SUCCESS
) {
6842 if (rc
!= MBX_TIMEOUT
)
6843 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
6848 hs
->link_failure_count
= pmb
->un
.varRdLnk
.linkFailureCnt
;
6849 hs
->loss_of_sync_count
= pmb
->un
.varRdLnk
.lossSyncCnt
;
6850 hs
->loss_of_signal_count
= pmb
->un
.varRdLnk
.lossSignalCnt
;
6851 hs
->prim_seq_protocol_err_count
= pmb
->un
.varRdLnk
.primSeqErrCnt
;
6852 hs
->invalid_tx_word_count
= pmb
->un
.varRdLnk
.invalidXmitWord
;
6853 hs
->invalid_crc_count
= pmb
->un
.varRdLnk
.crcCnt
;
6854 hs
->error_frames
= pmb
->un
.varRdLnk
.crcCnt
;
6856 hs
->link_failure_count
-= lso
->link_failure_count
;
6857 hs
->loss_of_sync_count
-= lso
->loss_of_sync_count
;
6858 hs
->loss_of_signal_count
-= lso
->loss_of_signal_count
;
6859 hs
->prim_seq_protocol_err_count
-= lso
->prim_seq_protocol_err_count
;
6860 hs
->invalid_tx_word_count
-= lso
->invalid_tx_word_count
;
6861 hs
->invalid_crc_count
-= lso
->invalid_crc_count
;
6862 hs
->error_frames
-= lso
->error_frames
;
6864 if (phba
->hba_flag
& HBA_FCOE_MODE
) {
6866 hs
->nos_count
= (phba
->link_events
>> 1);
6867 hs
->nos_count
-= lso
->link_events
;
6868 } else if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
6869 hs
->lip_count
= (phba
->fc_eventTag
>> 1);
6870 hs
->lip_count
-= lso
->link_events
;
6874 hs
->nos_count
= (phba
->fc_eventTag
>> 1);
6875 hs
->nos_count
-= lso
->link_events
;
6878 hs
->dumped_frames
= -1;
6880 hs
->seconds_since_last_reset
= ktime_get_seconds() - psli
->stats_start
;
6882 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
6888 * lpfc_reset_stats - Copy the adapter link stats information
6889 * @shost: kernel scsi host pointer.
6892 lpfc_reset_stats(struct Scsi_Host
*shost
)
6894 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
6895 struct lpfc_hba
*phba
= vport
->phba
;
6896 struct lpfc_sli
*psli
= &phba
->sli
;
6897 struct lpfc_lnk_stat
*lso
= &psli
->lnk_stat_offsets
;
6898 LPFC_MBOXQ_t
*pmboxq
;
6902 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
6905 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6908 memset(pmboxq
, 0, sizeof(LPFC_MBOXQ_t
));
6910 pmb
= &pmboxq
->u
.mb
;
6911 pmb
->mbxCommand
= MBX_READ_STATUS
;
6912 pmb
->mbxOwner
= OWN_HOST
;
6913 pmb
->un
.varWords
[0] = 0x1; /* reset request */
6914 pmboxq
->ctx_buf
= NULL
;
6915 pmboxq
->vport
= vport
;
6917 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
6918 (!(psli
->sli_flag
& LPFC_SLI_ACTIVE
))) {
6919 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
6920 if (rc
!= MBX_SUCCESS
) {
6921 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
6925 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
6926 if (rc
!= MBX_SUCCESS
) {
6927 if (rc
!= MBX_TIMEOUT
)
6928 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
6933 memset(pmboxq
, 0, sizeof(LPFC_MBOXQ_t
));
6934 pmb
->mbxCommand
= MBX_READ_LNK_STAT
;
6935 pmb
->mbxOwner
= OWN_HOST
;
6936 pmboxq
->ctx_buf
= NULL
;
6937 pmboxq
->vport
= vport
;
6939 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
6940 (!(psli
->sli_flag
& LPFC_SLI_ACTIVE
))) {
6941 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
6942 if (rc
!= MBX_SUCCESS
) {
6943 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
6947 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
6948 if (rc
!= MBX_SUCCESS
) {
6949 if (rc
!= MBX_TIMEOUT
)
6950 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
6955 lso
->link_failure_count
= pmb
->un
.varRdLnk
.linkFailureCnt
;
6956 lso
->loss_of_sync_count
= pmb
->un
.varRdLnk
.lossSyncCnt
;
6957 lso
->loss_of_signal_count
= pmb
->un
.varRdLnk
.lossSignalCnt
;
6958 lso
->prim_seq_protocol_err_count
= pmb
->un
.varRdLnk
.primSeqErrCnt
;
6959 lso
->invalid_tx_word_count
= pmb
->un
.varRdLnk
.invalidXmitWord
;
6960 lso
->invalid_crc_count
= pmb
->un
.varRdLnk
.crcCnt
;
6961 lso
->error_frames
= pmb
->un
.varRdLnk
.crcCnt
;
6962 if (phba
->hba_flag
& HBA_FCOE_MODE
)
6963 lso
->link_events
= (phba
->link_events
>> 1);
6965 lso
->link_events
= (phba
->fc_eventTag
>> 1);
6967 psli
->stats_start
= ktime_get_seconds();
6969 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
6975 * The LPFC driver treats linkdown handling as target loss events so there
6976 * are no sysfs handlers for link_down_tmo.
6980 * lpfc_get_node_by_target - Return the nodelist for a target
6981 * @starget: kernel scsi target pointer.
6984 * address of the node list if found
6985 * NULL target not found
6987 static struct lpfc_nodelist
*
6988 lpfc_get_node_by_target(struct scsi_target
*starget
)
6990 struct Scsi_Host
*shost
= dev_to_shost(starget
->dev
.parent
);
6991 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
6992 struct lpfc_nodelist
*ndlp
;
6994 spin_lock_irq(shost
->host_lock
);
6995 /* Search for this, mapped, target ID */
6996 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
6997 if (ndlp
->nlp_state
== NLP_STE_MAPPED_NODE
&&
6998 starget
->id
== ndlp
->nlp_sid
) {
6999 spin_unlock_irq(shost
->host_lock
);
7003 spin_unlock_irq(shost
->host_lock
);
7008 * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1
7009 * @starget: kernel scsi target pointer.
7012 lpfc_get_starget_port_id(struct scsi_target
*starget
)
7014 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
7016 fc_starget_port_id(starget
) = ndlp
? ndlp
->nlp_DID
: -1;
7020 * lpfc_get_starget_node_name - Set the target node name
7021 * @starget: kernel scsi target pointer.
7023 * Description: Set the target node name to the ndlp node name wwn or zero.
7026 lpfc_get_starget_node_name(struct scsi_target
*starget
)
7028 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
7030 fc_starget_node_name(starget
) =
7031 ndlp
? wwn_to_u64(ndlp
->nlp_nodename
.u
.wwn
) : 0;
7035 * lpfc_get_starget_port_name - Set the target port name
7036 * @starget: kernel scsi target pointer.
7038 * Description: set the target port name to the ndlp port name wwn or zero.
7041 lpfc_get_starget_port_name(struct scsi_target
*starget
)
7043 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
7045 fc_starget_port_name(starget
) =
7046 ndlp
? wwn_to_u64(ndlp
->nlp_portname
.u
.wwn
) : 0;
7050 * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo
7051 * @rport: fc rport address.
7052 * @timeout: new value for dev loss tmo.
7055 * If timeout is non zero set the dev_loss_tmo to timeout, else set
7056 * dev_loss_tmo to one.
7059 lpfc_set_rport_loss_tmo(struct fc_rport
*rport
, uint32_t timeout
)
7061 struct lpfc_rport_data
*rdata
= rport
->dd_data
;
7062 struct lpfc_nodelist
*ndlp
= rdata
->pnode
;
7063 #if (IS_ENABLED(CONFIG_NVME_FC))
7064 struct lpfc_nvme_rport
*nrport
= NULL
;
7068 rport
->dev_loss_tmo
= timeout
;
7070 rport
->dev_loss_tmo
= 1;
7073 dev_info(&rport
->dev
, "Cannot find remote node to "
7074 "set rport dev loss tmo, port_id x%x\n",
7079 #if (IS_ENABLED(CONFIG_NVME_FC))
7080 nrport
= lpfc_ndlp_get_nrport(ndlp
);
7082 if (nrport
&& nrport
->remoteport
)
7083 nvme_fc_set_remoteport_devloss(nrport
->remoteport
,
7084 rport
->dev_loss_tmo
);
7089 * lpfc_rport_show_function - Return rport target information
7092 * Macro that uses field to generate a function with the name lpfc_show_rport_
7094 * lpfc_show_rport_##field: returns the bytes formatted in buf
7095 * @cdev: class converted to an fc_rport.
7096 * @buf: on return contains the target_field or zero.
7098 * Returns: size of formatted string.
7100 #define lpfc_rport_show_function(field, format_string, sz, cast) \
7102 lpfc_show_rport_##field (struct device *dev, \
7103 struct device_attribute *attr, \
7106 struct fc_rport *rport = transport_class_to_rport(dev); \
7107 struct lpfc_rport_data *rdata = rport->hostdata; \
7108 return scnprintf(buf, sz, format_string, \
7109 (rdata->target) ? cast rdata->target->field : 0); \
7112 #define lpfc_rport_rd_attr(field, format_string, sz) \
7113 lpfc_rport_show_function(field, format_string, sz, ) \
7114 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
7117 * lpfc_set_vport_symbolic_name - Set the vport's symbolic name
7118 * @fc_vport: The fc_vport who's symbolic name has been changed.
7121 * This function is called by the transport after the @fc_vport's symbolic name
7122 * has been changed. This function re-registers the symbolic name with the
7123 * switch to propagate the change into the fabric if the vport is active.
7126 lpfc_set_vport_symbolic_name(struct fc_vport
*fc_vport
)
7128 struct lpfc_vport
*vport
= *(struct lpfc_vport
**)fc_vport
->dd_data
;
7130 if (vport
->port_state
== LPFC_VPORT_READY
)
7131 lpfc_ns_cmd(vport
, SLI_CTNS_RSPN_ID
, 0, 0);
7135 * lpfc_hba_log_verbose_init - Set hba's log verbose level
7136 * @phba: Pointer to lpfc_hba struct.
7137 * @verbose: Verbose level to set.
7139 * This function is called by the lpfc_get_cfgparam() routine to set the
7140 * module lpfc_log_verbose into the @phba cfg_log_verbose for use with
7141 * log message according to the module's lpfc_log_verbose parameter setting
7142 * before hba port or vport created.
7145 lpfc_hba_log_verbose_init(struct lpfc_hba
*phba
, uint32_t verbose
)
7147 phba
->cfg_log_verbose
= verbose
;
7150 struct fc_function_template lpfc_transport_functions
= {
7151 /* fixed attributes the driver supports */
7152 .show_host_node_name
= 1,
7153 .show_host_port_name
= 1,
7154 .show_host_supported_classes
= 1,
7155 .show_host_supported_fc4s
= 1,
7156 .show_host_supported_speeds
= 1,
7157 .show_host_maxframe_size
= 1,
7159 .get_host_symbolic_name
= lpfc_get_host_symbolic_name
,
7160 .show_host_symbolic_name
= 1,
7162 /* dynamic attributes the driver supports */
7163 .get_host_port_id
= lpfc_get_host_port_id
,
7164 .show_host_port_id
= 1,
7166 .get_host_port_type
= lpfc_get_host_port_type
,
7167 .show_host_port_type
= 1,
7169 .get_host_port_state
= lpfc_get_host_port_state
,
7170 .show_host_port_state
= 1,
7172 /* active_fc4s is shown but doesn't change (thus no get function) */
7173 .show_host_active_fc4s
= 1,
7175 .get_host_speed
= lpfc_get_host_speed
,
7176 .show_host_speed
= 1,
7178 .get_host_fabric_name
= lpfc_get_host_fabric_name
,
7179 .show_host_fabric_name
= 1,
7182 * The LPFC driver treats linkdown handling as target loss events
7183 * so there are no sysfs handlers for link_down_tmo.
7186 .get_fc_host_stats
= lpfc_get_stats
,
7187 .reset_fc_host_stats
= lpfc_reset_stats
,
7189 .dd_fcrport_size
= sizeof(struct lpfc_rport_data
),
7190 .show_rport_maxframe_size
= 1,
7191 .show_rport_supported_classes
= 1,
7193 .set_rport_dev_loss_tmo
= lpfc_set_rport_loss_tmo
,
7194 .show_rport_dev_loss_tmo
= 1,
7196 .get_starget_port_id
= lpfc_get_starget_port_id
,
7197 .show_starget_port_id
= 1,
7199 .get_starget_node_name
= lpfc_get_starget_node_name
,
7200 .show_starget_node_name
= 1,
7202 .get_starget_port_name
= lpfc_get_starget_port_name
,
7203 .show_starget_port_name
= 1,
7205 .issue_fc_host_lip
= lpfc_issue_lip
,
7206 .dev_loss_tmo_callbk
= lpfc_dev_loss_tmo_callbk
,
7207 .terminate_rport_io
= lpfc_terminate_rport_io
,
7209 .dd_fcvport_size
= sizeof(struct lpfc_vport
*),
7211 .vport_disable
= lpfc_vport_disable
,
7213 .set_vport_symbolic_name
= lpfc_set_vport_symbolic_name
,
7215 .bsg_request
= lpfc_bsg_request
,
7216 .bsg_timeout
= lpfc_bsg_timeout
,
7219 struct fc_function_template lpfc_vport_transport_functions
= {
7220 /* fixed attributes the driver supports */
7221 .show_host_node_name
= 1,
7222 .show_host_port_name
= 1,
7223 .show_host_supported_classes
= 1,
7224 .show_host_supported_fc4s
= 1,
7225 .show_host_supported_speeds
= 1,
7226 .show_host_maxframe_size
= 1,
7228 .get_host_symbolic_name
= lpfc_get_host_symbolic_name
,
7229 .show_host_symbolic_name
= 1,
7231 /* dynamic attributes the driver supports */
7232 .get_host_port_id
= lpfc_get_host_port_id
,
7233 .show_host_port_id
= 1,
7235 .get_host_port_type
= lpfc_get_host_port_type
,
7236 .show_host_port_type
= 1,
7238 .get_host_port_state
= lpfc_get_host_port_state
,
7239 .show_host_port_state
= 1,
7241 /* active_fc4s is shown but doesn't change (thus no get function) */
7242 .show_host_active_fc4s
= 1,
7244 .get_host_speed
= lpfc_get_host_speed
,
7245 .show_host_speed
= 1,
7247 .get_host_fabric_name
= lpfc_get_host_fabric_name
,
7248 .show_host_fabric_name
= 1,
7251 * The LPFC driver treats linkdown handling as target loss events
7252 * so there are no sysfs handlers for link_down_tmo.
7255 .get_fc_host_stats
= lpfc_get_stats
,
7256 .reset_fc_host_stats
= lpfc_reset_stats
,
7258 .dd_fcrport_size
= sizeof(struct lpfc_rport_data
),
7259 .show_rport_maxframe_size
= 1,
7260 .show_rport_supported_classes
= 1,
7262 .set_rport_dev_loss_tmo
= lpfc_set_rport_loss_tmo
,
7263 .show_rport_dev_loss_tmo
= 1,
7265 .get_starget_port_id
= lpfc_get_starget_port_id
,
7266 .show_starget_port_id
= 1,
7268 .get_starget_node_name
= lpfc_get_starget_node_name
,
7269 .show_starget_node_name
= 1,
7271 .get_starget_port_name
= lpfc_get_starget_port_name
,
7272 .show_starget_port_name
= 1,
7274 .dev_loss_tmo_callbk
= lpfc_dev_loss_tmo_callbk
,
7275 .terminate_rport_io
= lpfc_terminate_rport_io
,
7277 .vport_disable
= lpfc_vport_disable
,
7279 .set_vport_symbolic_name
= lpfc_set_vport_symbolic_name
,
7283 * lpfc_get_hba_function_mode - Used to determine the HBA function in FCoE
7285 * @phba: lpfc_hba pointer.
7288 lpfc_get_hba_function_mode(struct lpfc_hba
*phba
)
7290 /* If the adapter supports FCoE mode */
7291 switch (phba
->pcidev
->device
) {
7292 case PCI_DEVICE_ID_SKYHAWK
:
7293 case PCI_DEVICE_ID_SKYHAWK_VF
:
7294 case PCI_DEVICE_ID_LANCER_FCOE
:
7295 case PCI_DEVICE_ID_LANCER_FCOE_VF
:
7296 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
7297 case PCI_DEVICE_ID_HORNET
:
7298 case PCI_DEVICE_ID_TIGERSHARK
:
7299 case PCI_DEVICE_ID_TOMCAT
:
7300 phba
->hba_flag
|= HBA_FCOE_MODE
;
7303 /* for others, clear the flag */
7304 phba
->hba_flag
&= ~HBA_FCOE_MODE
;
7309 * lpfc_get_cfgparam - Used during probe_one to init the adapter structure
7310 * @phba: lpfc_hba pointer.
7313 lpfc_get_cfgparam(struct lpfc_hba
*phba
)
7315 lpfc_hba_log_verbose_init(phba
, lpfc_log_verbose
);
7316 lpfc_fcp_io_sched_init(phba
, lpfc_fcp_io_sched
);
7317 lpfc_ns_query_init(phba
, lpfc_ns_query
);
7318 lpfc_fcp2_no_tgt_reset_init(phba
, lpfc_fcp2_no_tgt_reset
);
7319 lpfc_cr_delay_init(phba
, lpfc_cr_delay
);
7320 lpfc_cr_count_init(phba
, lpfc_cr_count
);
7321 lpfc_multi_ring_support_init(phba
, lpfc_multi_ring_support
);
7322 lpfc_multi_ring_rctl_init(phba
, lpfc_multi_ring_rctl
);
7323 lpfc_multi_ring_type_init(phba
, lpfc_multi_ring_type
);
7324 lpfc_ack0_init(phba
, lpfc_ack0
);
7325 lpfc_xri_rebalancing_init(phba
, lpfc_xri_rebalancing
);
7326 lpfc_topology_init(phba
, lpfc_topology
);
7327 lpfc_link_speed_init(phba
, lpfc_link_speed
);
7328 lpfc_poll_tmo_init(phba
, lpfc_poll_tmo
);
7329 lpfc_task_mgmt_tmo_init(phba
, lpfc_task_mgmt_tmo
);
7330 lpfc_enable_npiv_init(phba
, lpfc_enable_npiv
);
7331 lpfc_fcf_failover_policy_init(phba
, lpfc_fcf_failover_policy
);
7332 lpfc_enable_rrq_init(phba
, lpfc_enable_rrq
);
7333 lpfc_fdmi_on_init(phba
, lpfc_fdmi_on
);
7334 lpfc_enable_SmartSAN_init(phba
, lpfc_enable_SmartSAN
);
7335 lpfc_use_msi_init(phba
, lpfc_use_msi
);
7336 lpfc_nvme_oas_init(phba
, lpfc_nvme_oas
);
7337 lpfc_nvme_embed_cmd_init(phba
, lpfc_nvme_embed_cmd
);
7338 lpfc_fcp_imax_init(phba
, lpfc_fcp_imax
);
7339 lpfc_force_rscn_init(phba
, lpfc_force_rscn
);
7340 lpfc_cq_poll_threshold_init(phba
, lpfc_cq_poll_threshold
);
7341 lpfc_cq_max_proc_limit_init(phba
, lpfc_cq_max_proc_limit
);
7342 lpfc_fcp_cpu_map_init(phba
, lpfc_fcp_cpu_map
);
7343 lpfc_enable_hba_reset_init(phba
, lpfc_enable_hba_reset
);
7344 lpfc_enable_hba_heartbeat_init(phba
, lpfc_enable_hba_heartbeat
);
7346 lpfc_EnableXLane_init(phba
, lpfc_EnableXLane
);
7347 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
7348 phba
->cfg_EnableXLane
= 0;
7349 lpfc_XLanePriority_init(phba
, lpfc_XLanePriority
);
7351 memset(phba
->cfg_oas_tgt_wwpn
, 0, (8 * sizeof(uint8_t)));
7352 memset(phba
->cfg_oas_vpt_wwpn
, 0, (8 * sizeof(uint8_t)));
7353 phba
->cfg_oas_lun_state
= 0;
7354 phba
->cfg_oas_lun_status
= 0;
7355 phba
->cfg_oas_flags
= 0;
7356 phba
->cfg_oas_priority
= 0;
7357 lpfc_enable_bg_init(phba
, lpfc_enable_bg
);
7358 lpfc_prot_mask_init(phba
, lpfc_prot_mask
);
7359 lpfc_prot_guard_init(phba
, lpfc_prot_guard
);
7360 if (phba
->sli_rev
== LPFC_SLI_REV4
)
7363 phba
->cfg_poll
= lpfc_poll
;
7365 /* Get the function mode */
7366 lpfc_get_hba_function_mode(phba
);
7368 /* BlockGuard allowed for FC only. */
7369 if (phba
->cfg_enable_bg
&& phba
->hba_flag
& HBA_FCOE_MODE
) {
7370 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7371 "0581 BlockGuard feature not supported\n");
7372 /* If set, clear the BlockGuard support param */
7373 phba
->cfg_enable_bg
= 0;
7374 } else if (phba
->cfg_enable_bg
) {
7375 phba
->sli3_options
|= LPFC_SLI3_BG_ENABLED
;
7378 lpfc_suppress_rsp_init(phba
, lpfc_suppress_rsp
);
7380 lpfc_enable_fc4_type_init(phba
, lpfc_enable_fc4_type
);
7381 lpfc_nvmet_mrq_init(phba
, lpfc_nvmet_mrq
);
7382 lpfc_nvmet_mrq_post_init(phba
, lpfc_nvmet_mrq_post
);
7384 /* Initialize first burst. Target vs Initiator are different. */
7385 lpfc_nvme_enable_fb_init(phba
, lpfc_nvme_enable_fb
);
7386 lpfc_nvmet_fb_size_init(phba
, lpfc_nvmet_fb_size
);
7387 lpfc_fcp_mq_threshold_init(phba
, lpfc_fcp_mq_threshold
);
7388 lpfc_hdw_queue_init(phba
, lpfc_hdw_queue
);
7389 lpfc_irq_chann_init(phba
, lpfc_irq_chann
);
7390 lpfc_enable_bbcr_init(phba
, lpfc_enable_bbcr
);
7391 lpfc_enable_dpp_init(phba
, lpfc_enable_dpp
);
7392 lpfc_enable_mi_init(phba
, lpfc_enable_mi
);
7394 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
7395 /* NVME only supported on SLI4 */
7396 phba
->nvmet_support
= 0;
7397 phba
->cfg_nvmet_mrq
= 0;
7398 phba
->cfg_enable_fc4_type
= LPFC_ENABLE_FCP
;
7399 phba
->cfg_enable_bbcr
= 0;
7400 phba
->cfg_xri_rebalancing
= 0;
7402 /* We MUST have FCP support */
7403 if (!(phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
))
7404 phba
->cfg_enable_fc4_type
|= LPFC_ENABLE_FCP
;
7407 phba
->cfg_auto_imax
= (phba
->cfg_fcp_imax
) ? 0 : 1;
7409 phba
->cfg_enable_pbde
= 0;
7411 /* A value of 0 means use the number of CPUs found in the system */
7412 if (phba
->cfg_hdw_queue
== 0)
7413 phba
->cfg_hdw_queue
= phba
->sli4_hba
.num_present_cpu
;
7414 if (phba
->cfg_irq_chann
== 0)
7415 phba
->cfg_irq_chann
= phba
->sli4_hba
.num_present_cpu
;
7416 if (phba
->cfg_irq_chann
> phba
->cfg_hdw_queue
)
7417 phba
->cfg_irq_chann
= phba
->cfg_hdw_queue
;
7419 phba
->cfg_soft_wwnn
= 0L;
7420 phba
->cfg_soft_wwpn
= 0L;
7421 lpfc_sg_seg_cnt_init(phba
, lpfc_sg_seg_cnt
);
7422 lpfc_hba_queue_depth_init(phba
, lpfc_hba_queue_depth
);
7423 lpfc_aer_support_init(phba
, lpfc_aer_support
);
7424 lpfc_sriov_nr_virtfn_init(phba
, lpfc_sriov_nr_virtfn
);
7425 lpfc_request_firmware_upgrade_init(phba
, lpfc_req_fw_upgrade
);
7426 lpfc_suppress_link_up_init(phba
, lpfc_suppress_link_up
);
7427 lpfc_delay_discovery_init(phba
, lpfc_delay_discovery
);
7428 lpfc_sli_mode_init(phba
, lpfc_sli_mode
);
7429 lpfc_enable_mds_diags_init(phba
, lpfc_enable_mds_diags
);
7430 lpfc_ras_fwlog_buffsize_init(phba
, lpfc_ras_fwlog_buffsize
);
7431 lpfc_ras_fwlog_level_init(phba
, lpfc_ras_fwlog_level
);
7432 lpfc_ras_fwlog_func_init(phba
, lpfc_ras_fwlog_func
);
7438 * lpfc_nvme_mod_param_dep - Adjust module parameter value based on
7439 * dependencies between protocols and roles.
7440 * @phba: lpfc_hba pointer.
7443 lpfc_nvme_mod_param_dep(struct lpfc_hba
*phba
)
7447 if (phba
->cfg_hdw_queue
> phba
->sli4_hba
.num_present_cpu
) {
7448 phba
->cfg_hdw_queue
= phba
->sli4_hba
.num_present_cpu
;
7451 if (phba
->cfg_irq_chann
> phba
->sli4_hba
.num_present_cpu
) {
7452 phba
->cfg_irq_chann
= phba
->sli4_hba
.num_present_cpu
;
7455 if (phba
->cfg_irq_chann
> phba
->cfg_hdw_queue
) {
7456 phba
->cfg_irq_chann
= phba
->cfg_hdw_queue
;
7460 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7461 "2006 Reducing Queues - CPU limitation: "
7463 phba
->cfg_irq_chann
,
7464 phba
->cfg_hdw_queue
);
7466 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
&&
7467 phba
->nvmet_support
) {
7468 phba
->cfg_enable_fc4_type
&= ~LPFC_ENABLE_FCP
;
7470 lpfc_printf_log(phba
, KERN_INFO
, LOG_NVME_DISC
,
7471 "6013 %s x%x fb_size x%x, fb_max x%x\n",
7472 "NVME Target PRLI ACC enable_fb ",
7473 phba
->cfg_nvme_enable_fb
,
7474 phba
->cfg_nvmet_fb_size
,
7475 LPFC_NVMET_FB_SZ_MAX
);
7477 if (phba
->cfg_nvme_enable_fb
== 0)
7478 phba
->cfg_nvmet_fb_size
= 0;
7480 if (phba
->cfg_nvmet_fb_size
> LPFC_NVMET_FB_SZ_MAX
)
7481 phba
->cfg_nvmet_fb_size
= LPFC_NVMET_FB_SZ_MAX
;
7484 if (!phba
->cfg_nvmet_mrq
)
7485 phba
->cfg_nvmet_mrq
= phba
->cfg_hdw_queue
;
7487 /* Adjust lpfc_nvmet_mrq to avoid running out of WQE slots */
7488 if (phba
->cfg_nvmet_mrq
> phba
->cfg_hdw_queue
) {
7489 phba
->cfg_nvmet_mrq
= phba
->cfg_hdw_queue
;
7490 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_DISC
,
7491 "6018 Adjust lpfc_nvmet_mrq to %d\n",
7492 phba
->cfg_nvmet_mrq
);
7494 if (phba
->cfg_nvmet_mrq
> LPFC_NVMET_MRQ_MAX
)
7495 phba
->cfg_nvmet_mrq
= LPFC_NVMET_MRQ_MAX
;
7498 /* Not NVME Target mode. Turn off Target parameters. */
7499 phba
->nvmet_support
= 0;
7500 phba
->cfg_nvmet_mrq
= 0;
7501 phba
->cfg_nvmet_fb_size
= 0;
7506 * lpfc_get_vport_cfgparam - Used during port create, init the vport structure
7507 * @vport: lpfc_vport pointer.
7510 lpfc_get_vport_cfgparam(struct lpfc_vport
*vport
)
7512 lpfc_log_verbose_init(vport
, lpfc_log_verbose
);
7513 lpfc_lun_queue_depth_init(vport
, lpfc_lun_queue_depth
);
7514 lpfc_tgt_queue_depth_init(vport
, lpfc_tgt_queue_depth
);
7515 lpfc_devloss_tmo_init(vport
, lpfc_devloss_tmo
);
7516 lpfc_nodev_tmo_init(vport
, lpfc_nodev_tmo
);
7517 lpfc_peer_port_login_init(vport
, lpfc_peer_port_login
);
7518 lpfc_restrict_login_init(vport
, lpfc_restrict_login
);
7519 lpfc_fcp_class_init(vport
, lpfc_fcp_class
);
7520 lpfc_use_adisc_init(vport
, lpfc_use_adisc
);
7521 lpfc_first_burst_size_init(vport
, lpfc_first_burst_size
);
7522 lpfc_max_scsicmpl_time_init(vport
, lpfc_max_scsicmpl_time
);
7523 lpfc_discovery_threads_init(vport
, lpfc_discovery_threads
);
7524 lpfc_max_luns_init(vport
, lpfc_max_luns
);
7525 lpfc_scan_down_init(vport
, lpfc_scan_down
);
7526 lpfc_enable_da_id_init(vport
, lpfc_enable_da_id
);