1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term *
5 * “Broadcom” refers to Broadcom Limited 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>
40 #include <linux/nvme-fc-driver.h>
45 #include "lpfc_sli4.h"
47 #include "lpfc_disc.h"
49 #include "lpfc_scsi.h"
50 #include "lpfc_nvme.h"
51 #include "lpfc_nvmet.h"
52 #include "lpfc_logmsg.h"
53 #include "lpfc_version.h"
54 #include "lpfc_compat.h"
55 #include "lpfc_crtn.h"
56 #include "lpfc_vport.h"
57 #include "lpfc_attr.h"
59 #define LPFC_DEF_DEVLOSS_TMO 30
60 #define LPFC_MIN_DEVLOSS_TMO 1
61 #define LPFC_MAX_DEVLOSS_TMO 255
63 #define LPFC_DEF_MRQ_POST 512
64 #define LPFC_MIN_MRQ_POST 512
65 #define LPFC_MAX_MRQ_POST 2048
68 * Write key size should be multiple of 4. If write key is changed
69 * make sure that library write key is also changed.
71 #define LPFC_REG_WRITE_KEY_SIZE 4
72 #define LPFC_REG_WRITE_KEY "EMLX"
75 * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules
76 * @incr: integer to convert.
77 * @hdw: ascii string holding converted integer plus a string terminator.
80 * JEDEC Joint Electron Device Engineering Council.
81 * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii
82 * character string. The string is then terminated with a NULL in byte 9.
83 * Hex 0-9 becomes ascii '0' to '9'.
84 * Hex a-f becomes ascii '=' to 'B' capital B.
87 * Coded for 32 bit integers only.
90 lpfc_jedec_to_ascii(int incr
, char hdw
[])
93 for (i
= 0; i
< 8; i
++) {
96 hdw
[7 - i
] = 0x30 + j
;
98 hdw
[7 - i
] = 0x61 + j
- 10;
106 * lpfc_drvr_version_show - Return the Emulex driver string with version number
107 * @dev: class unused variable.
108 * @attr: device attribute, not used.
109 * @buf: on return contains the module description text.
111 * Returns: size of formatted string.
114 lpfc_drvr_version_show(struct device
*dev
, struct device_attribute
*attr
,
117 return scnprintf(buf
, PAGE_SIZE
, LPFC_MODULE_DESC
"\n");
121 * lpfc_enable_fip_show - Return the fip mode of the HBA
122 * @dev: class unused variable.
123 * @attr: device attribute, not used.
124 * @buf: on return contains the module description text.
126 * Returns: size of formatted string.
129 lpfc_enable_fip_show(struct device
*dev
, struct device_attribute
*attr
,
132 struct Scsi_Host
*shost
= class_to_shost(dev
);
133 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
134 struct lpfc_hba
*phba
= vport
->phba
;
136 if (phba
->hba_flag
& HBA_FIP_SUPPORT
)
137 return scnprintf(buf
, PAGE_SIZE
, "1\n");
139 return scnprintf(buf
, PAGE_SIZE
, "0\n");
143 lpfc_nvme_info_show(struct device
*dev
, struct device_attribute
*attr
,
146 struct Scsi_Host
*shost
= class_to_shost(dev
);
147 struct lpfc_vport
*vport
= shost_priv(shost
);
148 struct lpfc_hba
*phba
= vport
->phba
;
149 struct lpfc_nvmet_tgtport
*tgtp
;
150 struct nvme_fc_local_port
*localport
;
151 struct lpfc_nvme_lport
*lport
;
152 struct lpfc_nodelist
*ndlp
;
153 struct nvme_fc_remote_port
*nrport
;
154 uint64_t data1
, data2
, data3
, tot
;
158 if (!(phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
)) {
159 len
+= snprintf(buf
, PAGE_SIZE
, "NVME Disabled\n");
162 if (phba
->nvmet_support
) {
163 if (!phba
->targetport
) {
164 len
= snprintf(buf
, PAGE_SIZE
,
165 "NVME Target: x%llx is not allocated\n",
166 wwn_to_u64(vport
->fc_portname
.u
.wwn
));
169 /* Port state is only one of two values for now. */
170 if (phba
->targetport
->port_id
)
171 statep
= "REGISTERED";
174 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
175 "NVME Target Enabled State %s\n",
177 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
178 "%s%d WWPN x%llx WWNN x%llx DID x%06x\n",
181 wwn_to_u64(vport
->fc_portname
.u
.wwn
),
182 wwn_to_u64(vport
->fc_nodename
.u
.wwn
),
183 phba
->targetport
->port_id
);
185 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
186 "\nNVME Target: Statistics\n");
187 tgtp
= (struct lpfc_nvmet_tgtport
*)phba
->targetport
->private;
188 len
+= snprintf(buf
+len
, PAGE_SIZE
-len
,
189 "LS: Rcv %08x Drop %08x Abort %08x\n",
190 atomic_read(&tgtp
->rcv_ls_req_in
),
191 atomic_read(&tgtp
->rcv_ls_req_drop
),
192 atomic_read(&tgtp
->xmt_ls_abort
));
193 if (atomic_read(&tgtp
->rcv_ls_req_in
) !=
194 atomic_read(&tgtp
->rcv_ls_req_out
)) {
195 len
+= snprintf(buf
+len
, PAGE_SIZE
-len
,
196 "Rcv LS: in %08x != out %08x\n",
197 atomic_read(&tgtp
->rcv_ls_req_in
),
198 atomic_read(&tgtp
->rcv_ls_req_out
));
201 len
+= snprintf(buf
+len
, PAGE_SIZE
-len
,
202 "LS: Xmt %08x Drop %08x Cmpl %08x\n",
203 atomic_read(&tgtp
->xmt_ls_rsp
),
204 atomic_read(&tgtp
->xmt_ls_drop
),
205 atomic_read(&tgtp
->xmt_ls_rsp_cmpl
));
207 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
208 "LS: RSP Abort %08x xb %08x Err %08x\n",
209 atomic_read(&tgtp
->xmt_ls_rsp_aborted
),
210 atomic_read(&tgtp
->xmt_ls_rsp_xb_set
),
211 atomic_read(&tgtp
->xmt_ls_rsp_error
));
213 len
+= snprintf(buf
+len
, PAGE_SIZE
-len
,
214 "FCP: Rcv %08x Defer %08x Release %08x "
216 atomic_read(&tgtp
->rcv_fcp_cmd_in
),
217 atomic_read(&tgtp
->rcv_fcp_cmd_defer
),
218 atomic_read(&tgtp
->xmt_fcp_release
),
219 atomic_read(&tgtp
->rcv_fcp_cmd_drop
));
221 if (atomic_read(&tgtp
->rcv_fcp_cmd_in
) !=
222 atomic_read(&tgtp
->rcv_fcp_cmd_out
)) {
223 len
+= snprintf(buf
+len
, PAGE_SIZE
-len
,
224 "Rcv FCP: in %08x != out %08x\n",
225 atomic_read(&tgtp
->rcv_fcp_cmd_in
),
226 atomic_read(&tgtp
->rcv_fcp_cmd_out
));
229 len
+= snprintf(buf
+len
, PAGE_SIZE
-len
,
230 "FCP Rsp: RD %08x rsp %08x WR %08x rsp %08x "
232 atomic_read(&tgtp
->xmt_fcp_read
),
233 atomic_read(&tgtp
->xmt_fcp_read_rsp
),
234 atomic_read(&tgtp
->xmt_fcp_write
),
235 atomic_read(&tgtp
->xmt_fcp_rsp
),
236 atomic_read(&tgtp
->xmt_fcp_drop
));
238 len
+= snprintf(buf
+len
, PAGE_SIZE
-len
,
239 "FCP Rsp Cmpl: %08x err %08x drop %08x\n",
240 atomic_read(&tgtp
->xmt_fcp_rsp_cmpl
),
241 atomic_read(&tgtp
->xmt_fcp_rsp_error
),
242 atomic_read(&tgtp
->xmt_fcp_rsp_drop
));
244 len
+= snprintf(buf
+len
, PAGE_SIZE
-len
,
245 "FCP Rsp Abort: %08x xb %08x xricqe %08x\n",
246 atomic_read(&tgtp
->xmt_fcp_rsp_aborted
),
247 atomic_read(&tgtp
->xmt_fcp_rsp_xb_set
),
248 atomic_read(&tgtp
->xmt_fcp_xri_abort_cqe
));
250 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
251 "ABORT: Xmt %08x Cmpl %08x\n",
252 atomic_read(&tgtp
->xmt_fcp_abort
),
253 atomic_read(&tgtp
->xmt_fcp_abort_cmpl
));
255 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
256 "ABORT: Sol %08x Usol %08x Err %08x Cmpl %08x",
257 atomic_read(&tgtp
->xmt_abort_sol
),
258 atomic_read(&tgtp
->xmt_abort_unsol
),
259 atomic_read(&tgtp
->xmt_abort_rsp
),
260 atomic_read(&tgtp
->xmt_abort_rsp_error
));
262 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
263 "DELAY: ctx %08x fod %08x wqfull %08x\n",
264 atomic_read(&tgtp
->defer_ctx
),
265 atomic_read(&tgtp
->defer_fod
),
266 atomic_read(&tgtp
->defer_wqfull
));
268 /* Calculate outstanding IOs */
269 tot
= atomic_read(&tgtp
->rcv_fcp_cmd_drop
);
270 tot
+= atomic_read(&tgtp
->xmt_fcp_release
);
271 tot
= atomic_read(&tgtp
->rcv_fcp_cmd_in
) - tot
;
273 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
274 "IO_CTX: %08x WAIT: cur %08x tot %08x\n"
275 "CTX Outstanding %08llx\n",
276 phba
->sli4_hba
.nvmet_xri_cnt
,
277 phba
->sli4_hba
.nvmet_io_wait_cnt
,
278 phba
->sli4_hba
.nvmet_io_wait_total
,
281 len
+= snprintf(buf
+len
, PAGE_SIZE
-len
, "\n");
285 localport
= vport
->localport
;
287 len
= snprintf(buf
, PAGE_SIZE
,
288 "NVME Initiator x%llx is not allocated\n",
289 wwn_to_u64(vport
->fc_portname
.u
.wwn
));
292 lport
= (struct lpfc_nvme_lport
*)localport
->private;
293 len
= snprintf(buf
, PAGE_SIZE
, "NVME Initiator Enabled\n");
295 spin_lock_irq(shost
->host_lock
);
297 /* Port state is only one of two values for now. */
298 if (localport
->port_id
)
303 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
304 "%s%d WWPN x%llx WWNN x%llx DID x%06x %s\n",
307 wwn_to_u64(vport
->fc_portname
.u
.wwn
),
308 wwn_to_u64(vport
->fc_nodename
.u
.wwn
),
309 localport
->port_id
, statep
);
311 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
315 /* local short-hand pointer. */
316 nrport
= ndlp
->nrport
->remoteport
;
318 /* Port state is only one of two values for now. */
319 switch (nrport
->port_state
) {
320 case FC_OBJSTATE_ONLINE
:
323 case FC_OBJSTATE_UNKNOWN
:
327 statep
= "UNSUPPORTED";
331 /* Tab in to show lport ownership. */
332 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
334 if (phba
->brd_no
>= 10)
335 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, " ");
337 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, "WWPN x%llx ",
339 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, "WWNN x%llx ",
341 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, "DID x%06x ",
344 /* An NVME rport can have multiple roles. */
345 if (nrport
->port_role
& FC_PORT_ROLE_NVME_INITIATOR
)
346 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
348 if (nrport
->port_role
& FC_PORT_ROLE_NVME_TARGET
)
349 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
351 if (nrport
->port_role
& FC_PORT_ROLE_NVME_DISCOVERY
)
352 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
354 if (nrport
->port_role
& ~(FC_PORT_ROLE_NVME_INITIATOR
|
355 FC_PORT_ROLE_NVME_TARGET
|
356 FC_PORT_ROLE_NVME_DISCOVERY
))
357 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
361 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, "%s ", statep
);
362 /* Terminate the string. */
363 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, "\n");
365 spin_unlock_irq(shost
->host_lock
);
367 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, "\nNVME Statistics\n");
368 len
+= snprintf(buf
+len
, PAGE_SIZE
-len
,
369 "LS: Xmt %010x Cmpl %010x Abort %08x\n",
370 atomic_read(&phba
->fc4NvmeLsRequests
),
371 atomic_read(&phba
->fc4NvmeLsCmpls
),
372 atomic_read(&lport
->xmt_ls_abort
));
374 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
375 "LS XMIT: Err %08x CMPL: xb %08x Err %08x\n",
376 atomic_read(&lport
->xmt_ls_err
),
377 atomic_read(&lport
->cmpl_ls_xb
),
378 atomic_read(&lport
->cmpl_ls_err
));
380 tot
= atomic_read(&phba
->fc4NvmeIoCmpls
);
381 data1
= atomic_read(&phba
->fc4NvmeInputRequests
);
382 data2
= atomic_read(&phba
->fc4NvmeOutputRequests
);
383 data3
= atomic_read(&phba
->fc4NvmeControlRequests
);
384 len
+= snprintf(buf
+len
, PAGE_SIZE
-len
,
385 "FCP: Rd %016llx Wr %016llx IO %016llx\n",
386 data1
, data2
, data3
);
388 len
+= snprintf(buf
+len
, PAGE_SIZE
-len
,
389 " noxri %08x nondlp %08x qdepth %08x "
391 atomic_read(&lport
->xmt_fcp_noxri
),
392 atomic_read(&lport
->xmt_fcp_bad_ndlp
),
393 atomic_read(&lport
->xmt_fcp_qdepth
),
394 atomic_read(&lport
->xmt_fcp_wqerr
));
396 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
397 " Cmpl %016llx Outstanding %016llx Abort %08x\n",
398 tot
, ((data1
+ data2
+ data3
) - tot
),
399 atomic_read(&lport
->xmt_fcp_abort
));
401 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
402 "FCP CMPL: xb %08x Err %08x\n",
403 atomic_read(&lport
->cmpl_fcp_xb
),
404 atomic_read(&lport
->cmpl_fcp_err
));
409 lpfc_bg_info_show(struct device
*dev
, struct device_attribute
*attr
,
412 struct Scsi_Host
*shost
= class_to_shost(dev
);
413 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
414 struct lpfc_hba
*phba
= vport
->phba
;
416 if (phba
->cfg_enable_bg
) {
417 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
418 return scnprintf(buf
, PAGE_SIZE
,
419 "BlockGuard Enabled\n");
421 return scnprintf(buf
, PAGE_SIZE
,
422 "BlockGuard Not Supported\n");
424 return scnprintf(buf
, PAGE_SIZE
,
425 "BlockGuard Disabled\n");
429 lpfc_bg_guard_err_show(struct device
*dev
, struct device_attribute
*attr
,
432 struct Scsi_Host
*shost
= class_to_shost(dev
);
433 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
434 struct lpfc_hba
*phba
= vport
->phba
;
436 return scnprintf(buf
, PAGE_SIZE
, "%llu\n",
437 (unsigned long long)phba
->bg_guard_err_cnt
);
441 lpfc_bg_apptag_err_show(struct device
*dev
, struct device_attribute
*attr
,
444 struct Scsi_Host
*shost
= class_to_shost(dev
);
445 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
446 struct lpfc_hba
*phba
= vport
->phba
;
448 return scnprintf(buf
, PAGE_SIZE
, "%llu\n",
449 (unsigned long long)phba
->bg_apptag_err_cnt
);
453 lpfc_bg_reftag_err_show(struct device
*dev
, struct device_attribute
*attr
,
456 struct Scsi_Host
*shost
= class_to_shost(dev
);
457 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
458 struct lpfc_hba
*phba
= vport
->phba
;
460 return scnprintf(buf
, PAGE_SIZE
, "%llu\n",
461 (unsigned long long)phba
->bg_reftag_err_cnt
);
465 * lpfc_info_show - Return some pci info about the host in ascii
466 * @dev: class converted to a Scsi_host structure.
467 * @attr: device attribute, not used.
468 * @buf: on return contains the formatted text from lpfc_info().
470 * Returns: size of formatted string.
473 lpfc_info_show(struct device
*dev
, struct device_attribute
*attr
,
476 struct Scsi_Host
*host
= class_to_shost(dev
);
478 return scnprintf(buf
, PAGE_SIZE
, "%s\n", lpfc_info(host
));
482 * lpfc_serialnum_show - Return the hba serial number in ascii
483 * @dev: class converted to a Scsi_host structure.
484 * @attr: device attribute, not used.
485 * @buf: on return contains the formatted text serial number.
487 * Returns: size of formatted string.
490 lpfc_serialnum_show(struct device
*dev
, struct device_attribute
*attr
,
493 struct Scsi_Host
*shost
= class_to_shost(dev
);
494 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
495 struct lpfc_hba
*phba
= vport
->phba
;
497 return scnprintf(buf
, PAGE_SIZE
, "%s\n", phba
->SerialNumber
);
501 * lpfc_temp_sensor_show - Return the temperature sensor level
502 * @dev: class converted to a Scsi_host structure.
503 * @attr: device attribute, not used.
504 * @buf: on return contains the formatted support level.
507 * Returns a number indicating the temperature sensor level currently
508 * supported, zero or one in ascii.
510 * Returns: size of formatted string.
513 lpfc_temp_sensor_show(struct device
*dev
, struct device_attribute
*attr
,
516 struct Scsi_Host
*shost
= class_to_shost(dev
);
517 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
518 struct lpfc_hba
*phba
= vport
->phba
;
519 return scnprintf(buf
, PAGE_SIZE
, "%d\n", phba
->temp_sensor_support
);
523 * lpfc_modeldesc_show - Return the model description of the hba
524 * @dev: class converted to a Scsi_host structure.
525 * @attr: device attribute, not used.
526 * @buf: on return contains the scsi vpd model description.
528 * Returns: size of formatted string.
531 lpfc_modeldesc_show(struct device
*dev
, struct device_attribute
*attr
,
534 struct Scsi_Host
*shost
= class_to_shost(dev
);
535 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
536 struct lpfc_hba
*phba
= vport
->phba
;
538 return scnprintf(buf
, PAGE_SIZE
, "%s\n", phba
->ModelDesc
);
542 * lpfc_modelname_show - Return the model name of the hba
543 * @dev: class converted to a Scsi_host structure.
544 * @attr: device attribute, not used.
545 * @buf: on return contains the scsi vpd model name.
547 * Returns: size of formatted string.
550 lpfc_modelname_show(struct device
*dev
, struct device_attribute
*attr
,
553 struct Scsi_Host
*shost
= class_to_shost(dev
);
554 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
555 struct lpfc_hba
*phba
= vport
->phba
;
557 return scnprintf(buf
, PAGE_SIZE
, "%s\n", phba
->ModelName
);
561 * lpfc_programtype_show - Return the program type of the hba
562 * @dev: class converted to a Scsi_host structure.
563 * @attr: device attribute, not used.
564 * @buf: on return contains the scsi vpd program type.
566 * Returns: size of formatted string.
569 lpfc_programtype_show(struct device
*dev
, struct device_attribute
*attr
,
572 struct Scsi_Host
*shost
= class_to_shost(dev
);
573 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
574 struct lpfc_hba
*phba
= vport
->phba
;
576 return scnprintf(buf
, PAGE_SIZE
, "%s\n", phba
->ProgramType
);
580 * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag
581 * @dev: class converted to a Scsi_host structure.
582 * @attr: device attribute, not used.
583 * @buf: on return contains the Menlo Maintenance sli flag.
585 * Returns: size of formatted string.
588 lpfc_mlomgmt_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
590 struct Scsi_Host
*shost
= class_to_shost(dev
);
591 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
592 struct lpfc_hba
*phba
= vport
->phba
;
594 return scnprintf(buf
, PAGE_SIZE
, "%d\n",
595 (phba
->sli
.sli_flag
& LPFC_MENLO_MAINT
));
599 * lpfc_vportnum_show - Return the port number in ascii of the hba
600 * @dev: class converted to a Scsi_host structure.
601 * @attr: device attribute, not used.
602 * @buf: on return contains scsi vpd program type.
604 * Returns: size of formatted string.
607 lpfc_vportnum_show(struct device
*dev
, struct device_attribute
*attr
,
610 struct Scsi_Host
*shost
= class_to_shost(dev
);
611 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
612 struct lpfc_hba
*phba
= vport
->phba
;
614 return scnprintf(buf
, PAGE_SIZE
, "%s\n", phba
->Port
);
618 * lpfc_fwrev_show - Return the firmware rev running in the hba
619 * @dev: class converted to a Scsi_host structure.
620 * @attr: device attribute, not used.
621 * @buf: on return contains the scsi vpd program type.
623 * Returns: size of formatted string.
626 lpfc_fwrev_show(struct device
*dev
, struct device_attribute
*attr
,
629 struct Scsi_Host
*shost
= class_to_shost(dev
);
630 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
631 struct lpfc_hba
*phba
= vport
->phba
;
634 char fwrev
[FW_REV_STR_SIZE
];
637 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
638 if_type
= phba
->sli4_hba
.pc_sli4_params
.if_type
;
639 sli_family
= phba
->sli4_hba
.pc_sli4_params
.sli_family
;
641 if (phba
->sli_rev
< LPFC_SLI_REV4
)
642 len
= scnprintf(buf
, PAGE_SIZE
, "%s, sli-%d\n",
643 fwrev
, phba
->sli_rev
);
645 len
= scnprintf(buf
, PAGE_SIZE
, "%s, sli-%d:%d:%x\n",
646 fwrev
, phba
->sli_rev
, if_type
, sli_family
);
652 * lpfc_hdw_show - Return the jedec information about the hba
653 * @dev: class converted to a Scsi_host structure.
654 * @attr: device attribute, not used.
655 * @buf: on return contains the scsi vpd program type.
657 * Returns: size of formatted string.
660 lpfc_hdw_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
663 struct Scsi_Host
*shost
= class_to_shost(dev
);
664 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
665 struct lpfc_hba
*phba
= vport
->phba
;
666 lpfc_vpd_t
*vp
= &phba
->vpd
;
668 lpfc_jedec_to_ascii(vp
->rev
.biuRev
, hdw
);
669 return scnprintf(buf
, PAGE_SIZE
, "%s\n", hdw
);
673 * lpfc_option_rom_version_show - Return the adapter ROM FCode version
674 * @dev: class converted to a Scsi_host structure.
675 * @attr: device attribute, not used.
676 * @buf: on return contains the ROM and FCode ascii strings.
678 * Returns: size of formatted string.
681 lpfc_option_rom_version_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 char fwrev
[FW_REV_STR_SIZE
];
689 if (phba
->sli_rev
< LPFC_SLI_REV4
)
690 return scnprintf(buf
, PAGE_SIZE
, "%s\n",
691 phba
->OptionROMVersion
);
693 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
694 return scnprintf(buf
, PAGE_SIZE
, "%s\n", fwrev
);
698 * lpfc_state_show - Return the link state of the port
699 * @dev: class converted to a Scsi_host structure.
700 * @attr: device attribute, not used.
701 * @buf: on return contains text describing the state of the link.
704 * The switch statement has no default so zero will be returned.
706 * Returns: size of formatted string.
709 lpfc_link_state_show(struct device
*dev
, struct device_attribute
*attr
,
712 struct Scsi_Host
*shost
= class_to_shost(dev
);
713 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
714 struct lpfc_hba
*phba
= vport
->phba
;
717 switch (phba
->link_state
) {
718 case LPFC_LINK_UNKNOWN
:
719 case LPFC_WARM_START
:
720 case LPFC_INIT_START
:
721 case LPFC_INIT_MBX_CMDS
:
724 if (phba
->hba_flag
& LINK_DISABLED
)
725 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
726 "Link Down - User disabled\n");
728 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
734 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
, "Link Up - ");
736 switch (vport
->port_state
) {
737 case LPFC_LOCAL_CFG_LINK
:
738 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
739 "Configuring Link\n");
743 case LPFC_FABRIC_CFG_LINK
:
746 case LPFC_BUILD_DISC_LIST
:
748 len
+= scnprintf(buf
+ len
, PAGE_SIZE
- len
,
751 case LPFC_VPORT_READY
:
752 len
+= scnprintf(buf
+ len
, PAGE_SIZE
- len
,
756 case LPFC_VPORT_FAILED
:
757 len
+= scnprintf(buf
+ len
, PAGE_SIZE
- len
,
761 case LPFC_VPORT_UNKNOWN
:
762 len
+= scnprintf(buf
+ len
, PAGE_SIZE
- len
,
766 if (phba
->sli
.sli_flag
& LPFC_MENLO_MAINT
)
767 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
768 " Menlo Maint Mode\n");
769 else if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
770 if (vport
->fc_flag
& FC_PUBLIC_LOOP
)
771 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
774 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
777 if (vport
->fc_flag
& FC_FABRIC
)
778 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
781 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
790 * lpfc_sli4_protocol_show - Return the fip mode of the HBA
791 * @dev: class unused variable.
792 * @attr: device attribute, not used.
793 * @buf: on return contains the module description text.
795 * Returns: size of formatted string.
798 lpfc_sli4_protocol_show(struct device
*dev
, struct device_attribute
*attr
,
801 struct Scsi_Host
*shost
= class_to_shost(dev
);
802 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
803 struct lpfc_hba
*phba
= vport
->phba
;
805 if (phba
->sli_rev
< LPFC_SLI_REV4
)
806 return scnprintf(buf
, PAGE_SIZE
, "fc\n");
808 if (phba
->sli4_hba
.lnk_info
.lnk_dv
== LPFC_LNK_DAT_VAL
) {
809 if (phba
->sli4_hba
.lnk_info
.lnk_tp
== LPFC_LNK_TYPE_GE
)
810 return scnprintf(buf
, PAGE_SIZE
, "fcoe\n");
811 if (phba
->sli4_hba
.lnk_info
.lnk_tp
== LPFC_LNK_TYPE_FC
)
812 return scnprintf(buf
, PAGE_SIZE
, "fc\n");
814 return scnprintf(buf
, PAGE_SIZE
, "unknown\n");
818 * lpfc_oas_supported_show - Return whether or not Optimized Access Storage
819 * (OAS) is supported.
820 * @dev: class unused variable.
821 * @attr: device attribute, not used.
822 * @buf: on return contains the module description text.
824 * Returns: size of formatted string.
827 lpfc_oas_supported_show(struct device
*dev
, struct device_attribute
*attr
,
830 struct Scsi_Host
*shost
= class_to_shost(dev
);
831 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
832 struct lpfc_hba
*phba
= vport
->phba
;
834 return scnprintf(buf
, PAGE_SIZE
, "%d\n",
835 phba
->sli4_hba
.pc_sli4_params
.oas_supported
);
839 * lpfc_link_state_store - Transition the link_state on an HBA port
840 * @dev: class device that is converted into a Scsi_host.
841 * @attr: device attribute, not used.
842 * @buf: one or more lpfc_polling_flags values.
846 * -EINVAL if the buffer is not "up" or "down"
847 * return from link state change function if non-zero
848 * length of the buf on success
851 lpfc_link_state_store(struct device
*dev
, struct device_attribute
*attr
,
852 const char *buf
, size_t count
)
854 struct Scsi_Host
*shost
= class_to_shost(dev
);
855 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
856 struct lpfc_hba
*phba
= vport
->phba
;
858 int status
= -EINVAL
;
860 if ((strncmp(buf
, "up", sizeof("up") - 1) == 0) &&
861 (phba
->link_state
== LPFC_LINK_DOWN
))
862 status
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
863 else if ((strncmp(buf
, "down", sizeof("down") - 1) == 0) &&
864 (phba
->link_state
>= LPFC_LINK_UP
))
865 status
= phba
->lpfc_hba_down_link(phba
, MBX_NOWAIT
);
874 * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports
875 * @dev: class device that is converted into a Scsi_host.
876 * @attr: device attribute, not used.
877 * @buf: on return contains the sum of fc mapped and unmapped.
880 * Returns the ascii text number of the sum of the fc mapped and unmapped
883 * Returns: size of formatted string.
886 lpfc_num_discovered_ports_show(struct device
*dev
,
887 struct device_attribute
*attr
, char *buf
)
889 struct Scsi_Host
*shost
= class_to_shost(dev
);
890 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
892 return scnprintf(buf
, PAGE_SIZE
, "%d\n",
893 vport
->fc_map_cnt
+ vport
->fc_unmap_cnt
);
897 * lpfc_issue_lip - Misnomer, name carried over from long ago
898 * @shost: Scsi_Host pointer.
901 * Bring the link down gracefully then re-init the link. The firmware will
902 * re-init the fiber channel interface as required. Does not issue a LIP.
905 * -EPERM port offline or management commands are being blocked
906 * -ENOMEM cannot allocate memory for the mailbox command
907 * -EIO error sending the mailbox command
911 lpfc_issue_lip(struct Scsi_Host
*shost
)
913 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
914 struct lpfc_hba
*phba
= vport
->phba
;
915 LPFC_MBOXQ_t
*pmboxq
;
916 int mbxstatus
= MBXERR_ERROR
;
919 * If the link is offline, disabled or BLOCK_MGMT_IO
920 * it doesn't make any sense to allow issue_lip
922 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
923 (phba
->hba_flag
& LINK_DISABLED
) ||
924 (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
))
927 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,GFP_KERNEL
);
932 memset((void *)pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
933 pmboxq
->u
.mb
.mbxCommand
= MBX_DOWN_LINK
;
934 pmboxq
->u
.mb
.mbxOwner
= OWN_HOST
;
936 mbxstatus
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, LPFC_MBOX_TMO
* 2);
938 if ((mbxstatus
== MBX_SUCCESS
) &&
939 (pmboxq
->u
.mb
.mbxStatus
== 0 ||
940 pmboxq
->u
.mb
.mbxStatus
== MBXERR_LINK_DOWN
)) {
941 memset((void *)pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
942 lpfc_init_link(phba
, pmboxq
, phba
->cfg_topology
,
943 phba
->cfg_link_speed
);
944 mbxstatus
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
,
946 if ((mbxstatus
== MBX_SUCCESS
) &&
947 (pmboxq
->u
.mb
.mbxStatus
== MBXERR_SEC_NO_PERMISSION
))
948 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
949 "2859 SLI authentication is required "
950 "for INIT_LINK but has not done yet\n");
953 lpfc_set_loopback_flag(phba
);
954 if (mbxstatus
!= MBX_TIMEOUT
)
955 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
957 if (mbxstatus
== MBXERR_ERROR
)
964 lpfc_emptyq_wait(struct lpfc_hba
*phba
, struct list_head
*q
, spinlock_t
*lock
)
969 while (!list_empty(q
)) {
970 spin_unlock_irq(lock
);
972 if (cnt
++ > 250) { /* 5 secs */
973 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
975 "Outstanding IO when ",
976 "bringing Adapter offline\n");
981 spin_unlock_irq(lock
);
986 * lpfc_do_offline - Issues a mailbox command to bring the link down
987 * @phba: lpfc_hba pointer.
988 * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL.
991 * Assumes any error from lpfc_do_offline() will be negative.
992 * Can wait up to 5 seconds for the port ring buffers count
993 * to reach zero, prints a warning if it is not zero and continues.
994 * lpfc_workq_post_event() returns a non-zero return code if call fails.
997 * -EIO error posting the event
1001 lpfc_do_offline(struct lpfc_hba
*phba
, uint32_t type
)
1003 struct completion online_compl
;
1004 struct lpfc_queue
*qp
= NULL
;
1005 struct lpfc_sli_ring
*pring
;
1006 struct lpfc_sli
*psli
;
1011 init_completion(&online_compl
);
1012 rc
= lpfc_workq_post_event(phba
, &status
, &online_compl
,
1013 LPFC_EVT_OFFLINE_PREP
);
1017 wait_for_completion(&online_compl
);
1024 /* Wait a little for things to settle down, but not
1025 * long enough for dev loss timeout to expire.
1027 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
1028 for (i
= 0; i
< psli
->num_rings
; i
++) {
1029 pring
= &psli
->sli3_ring
[i
];
1030 if (!lpfc_emptyq_wait(phba
, &pring
->txcmplq
,
1035 list_for_each_entry(qp
, &phba
->sli4_hba
.lpfc_wq_list
, wq_list
) {
1039 if (!lpfc_emptyq_wait(phba
, &pring
->txcmplq
,
1045 init_completion(&online_compl
);
1046 rc
= lpfc_workq_post_event(phba
, &status
, &online_compl
, type
);
1050 wait_for_completion(&online_compl
);
1059 * lpfc_selective_reset - Offline then onlines the port
1060 * @phba: lpfc_hba pointer.
1063 * If the port is configured to allow a reset then the hba is brought
1064 * offline then online.
1067 * Assumes any error from lpfc_do_offline() will be negative.
1068 * Do not make this function static.
1071 * lpfc_do_offline() return code if not zero
1072 * -EIO reset not configured or error posting the event
1076 lpfc_selective_reset(struct lpfc_hba
*phba
)
1078 struct completion online_compl
;
1082 if (!phba
->cfg_enable_hba_reset
)
1085 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)) {
1086 status
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
1092 init_completion(&online_compl
);
1093 rc
= lpfc_workq_post_event(phba
, &status
, &online_compl
,
1098 wait_for_completion(&online_compl
);
1107 * lpfc_issue_reset - Selectively resets an adapter
1108 * @dev: class device that is converted into a Scsi_host.
1109 * @attr: device attribute, not used.
1110 * @buf: containing the string "selective".
1111 * @count: unused variable.
1114 * If the buf contains the string "selective" then lpfc_selective_reset()
1115 * is called to perform the reset.
1118 * Assumes any error from lpfc_selective_reset() will be negative.
1119 * If lpfc_selective_reset() returns zero then the length of the buffer
1120 * is returned which indicates success
1123 * -EINVAL if the buffer does not contain the string "selective"
1124 * length of buf if lpfc-selective_reset() if the call succeeds
1125 * return value of lpfc_selective_reset() if the call fails
1128 lpfc_issue_reset(struct device
*dev
, struct device_attribute
*attr
,
1129 const char *buf
, size_t count
)
1131 struct Scsi_Host
*shost
= class_to_shost(dev
);
1132 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1133 struct lpfc_hba
*phba
= vport
->phba
;
1134 int status
= -EINVAL
;
1136 if (!phba
->cfg_enable_hba_reset
)
1139 if (strncmp(buf
, "selective", sizeof("selective") - 1) == 0)
1140 status
= phba
->lpfc_selective_reset(phba
);
1149 * lpfc_sli4_pdev_status_reg_wait - Wait for pdev status register for readyness
1150 * @phba: lpfc_hba pointer.
1153 * SLI4 interface type-2 device to wait on the sliport status register for
1154 * the readyness after performing a firmware reset.
1157 * zero for success, -EPERM when port does not have privilege to perform the
1158 * reset, -EIO when port timeout from recovering from the reset.
1161 * As the caller will interpret the return code by value, be careful in making
1162 * change or addition to return codes.
1165 lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba
*phba
)
1167 struct lpfc_register portstat_reg
= {0};
1171 lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
1172 &portstat_reg
.word0
);
1174 /* verify if privileged for the request operation */
1175 if (!bf_get(lpfc_sliport_status_rn
, &portstat_reg
) &&
1176 !bf_get(lpfc_sliport_status_err
, &portstat_reg
))
1179 /* wait for the SLI port firmware ready after firmware reset */
1180 for (i
= 0; i
< LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT
; i
++) {
1182 lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
1183 &portstat_reg
.word0
);
1184 if (!bf_get(lpfc_sliport_status_err
, &portstat_reg
))
1186 if (!bf_get(lpfc_sliport_status_rn
, &portstat_reg
))
1188 if (!bf_get(lpfc_sliport_status_rdy
, &portstat_reg
))
1193 if (i
< LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT
)
1200 * lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc
1201 * @phba: lpfc_hba pointer.
1204 * Request SLI4 interface type-2 device to perform a physical register set
1211 lpfc_sli4_pdev_reg_request(struct lpfc_hba
*phba
, uint32_t opcode
)
1213 struct completion online_compl
;
1214 struct pci_dev
*pdev
= phba
->pcidev
;
1215 uint32_t before_fc_flag
;
1216 uint32_t sriov_nr_virtfn
;
1218 int status
= 0, rc
= 0;
1219 int job_posted
= 1, sriov_err
;
1221 if (!phba
->cfg_enable_hba_reset
)
1224 if ((phba
->sli_rev
< LPFC_SLI_REV4
) ||
1225 (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) <
1226 LPFC_SLI_INTF_IF_TYPE_2
))
1229 /* Keep state if we need to restore back */
1230 before_fc_flag
= phba
->pport
->fc_flag
;
1231 sriov_nr_virtfn
= phba
->cfg_sriov_nr_virtfn
;
1233 /* Disable SR-IOV virtual functions if enabled */
1234 if (phba
->cfg_sriov_nr_virtfn
) {
1235 pci_disable_sriov(pdev
);
1236 phba
->cfg_sriov_nr_virtfn
= 0;
1239 if (opcode
== LPFC_FW_DUMP
)
1240 phba
->hba_flag
|= HBA_FW_DUMP_OP
;
1242 status
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
1245 phba
->hba_flag
&= ~HBA_FW_DUMP_OP
;
1249 /* wait for the device to be quiesced before firmware reset */
1252 reg_val
= readl(phba
->sli4_hba
.conf_regs_memmap_p
+
1253 LPFC_CTL_PDEV_CTL_OFFSET
);
1255 if (opcode
== LPFC_FW_DUMP
)
1256 reg_val
|= LPFC_FW_DUMP_REQUEST
;
1257 else if (opcode
== LPFC_FW_RESET
)
1258 reg_val
|= LPFC_CTL_PDEV_CTL_FRST
;
1259 else if (opcode
== LPFC_DV_RESET
)
1260 reg_val
|= LPFC_CTL_PDEV_CTL_DRST
;
1262 writel(reg_val
, phba
->sli4_hba
.conf_regs_memmap_p
+
1263 LPFC_CTL_PDEV_CTL_OFFSET
);
1265 readl(phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_CTL_PDEV_CTL_OFFSET
);
1267 /* delay driver action following IF_TYPE_2 reset */
1268 rc
= lpfc_sli4_pdev_status_reg_wait(phba
);
1271 /* no privilege for reset */
1272 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
1273 "3150 No privilege to perform the requested "
1274 "access: x%x\n", reg_val
);
1275 } else if (rc
== -EIO
) {
1276 /* reset failed, there is nothing more we can do */
1277 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
1278 "3153 Fail to perform the requested "
1279 "access: x%x\n", reg_val
);
1283 /* keep the original port state */
1284 if (before_fc_flag
& FC_OFFLINE_MODE
)
1287 init_completion(&online_compl
);
1288 job_posted
= lpfc_workq_post_event(phba
, &status
, &online_compl
,
1293 wait_for_completion(&online_compl
);
1296 /* in any case, restore the virtual functions enabled as before */
1297 if (sriov_nr_virtfn
) {
1299 lpfc_sli_probe_sriov_nr_virtfn(phba
, sriov_nr_virtfn
);
1301 phba
->cfg_sriov_nr_virtfn
= sriov_nr_virtfn
;
1304 /* return proper error code */
1315 * lpfc_nport_evt_cnt_show - Return the number of nport events
1316 * @dev: class device that is converted into a Scsi_host.
1317 * @attr: device attribute, not used.
1318 * @buf: on return contains the ascii number of nport events.
1320 * Returns: size of formatted string.
1323 lpfc_nport_evt_cnt_show(struct device
*dev
, struct device_attribute
*attr
,
1326 struct Scsi_Host
*shost
= class_to_shost(dev
);
1327 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1328 struct lpfc_hba
*phba
= vport
->phba
;
1330 return scnprintf(buf
, PAGE_SIZE
, "%d\n", phba
->nport_event_cnt
);
1334 * lpfc_board_mode_show - Return the state of the board
1335 * @dev: class device that is converted into a Scsi_host.
1336 * @attr: device attribute, not used.
1337 * @buf: on return contains the state of the adapter.
1339 * Returns: size of formatted string.
1342 lpfc_board_mode_show(struct device
*dev
, struct device_attribute
*attr
,
1345 struct Scsi_Host
*shost
= class_to_shost(dev
);
1346 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1347 struct lpfc_hba
*phba
= vport
->phba
;
1350 if (phba
->link_state
== LPFC_HBA_ERROR
)
1352 else if (phba
->link_state
== LPFC_WARM_START
)
1353 state
= "warm start";
1354 else if (phba
->link_state
== LPFC_INIT_START
)
1359 return scnprintf(buf
, PAGE_SIZE
, "%s\n", state
);
1363 * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state
1364 * @dev: class device that is converted into a Scsi_host.
1365 * @attr: device attribute, not used.
1366 * @buf: containing one of the strings "online", "offline", "warm" or "error".
1367 * @count: unused variable.
1370 * -EACCES if enable hba reset not enabled
1371 * -EINVAL if the buffer does not contain a valid string (see above)
1372 * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails
1373 * buf length greater than zero indicates success
1376 lpfc_board_mode_store(struct device
*dev
, struct device_attribute
*attr
,
1377 const char *buf
, size_t count
)
1379 struct Scsi_Host
*shost
= class_to_shost(dev
);
1380 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1381 struct lpfc_hba
*phba
= vport
->phba
;
1382 struct completion online_compl
;
1383 char *board_mode_str
= NULL
;
1387 if (!phba
->cfg_enable_hba_reset
) {
1389 goto board_mode_out
;
1392 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
1393 "3050 lpfc_board_mode set to %s\n", buf
);
1395 init_completion(&online_compl
);
1397 if(strncmp(buf
, "online", sizeof("online") - 1) == 0) {
1398 rc
= lpfc_workq_post_event(phba
, &status
, &online_compl
,
1402 goto board_mode_out
;
1404 wait_for_completion(&online_compl
);
1407 } else if (strncmp(buf
, "offline", sizeof("offline") - 1) == 0)
1408 status
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
1409 else if (strncmp(buf
, "warm", sizeof("warm") - 1) == 0)
1410 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1413 status
= lpfc_do_offline(phba
, LPFC_EVT_WARM_START
);
1414 else if (strncmp(buf
, "error", sizeof("error") - 1) == 0)
1415 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1418 status
= lpfc_do_offline(phba
, LPFC_EVT_KILL
);
1419 else if (strncmp(buf
, "dump", sizeof("dump") - 1) == 0)
1420 status
= lpfc_sli4_pdev_reg_request(phba
, LPFC_FW_DUMP
);
1421 else if (strncmp(buf
, "fw_reset", sizeof("fw_reset") - 1) == 0)
1422 status
= lpfc_sli4_pdev_reg_request(phba
, LPFC_FW_RESET
);
1423 else if (strncmp(buf
, "dv_reset", sizeof("dv_reset") - 1) == 0)
1424 status
= lpfc_sli4_pdev_reg_request(phba
, LPFC_DV_RESET
);
1432 board_mode_str
= strchr(buf
, '\n');
1434 *board_mode_str
= '\0';
1435 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
1436 "3097 Failed \"%s\", status(%d), "
1438 buf
, status
, phba
->pport
->fc_flag
);
1444 * lpfc_get_hba_info - Return various bits of informaton about the adapter
1445 * @phba: pointer to the adapter structure.
1446 * @mxri: max xri count.
1447 * @axri: available xri count.
1448 * @mrpi: max rpi count.
1449 * @arpi: available rpi count.
1450 * @mvpi: max vpi count.
1451 * @avpi: available vpi count.
1454 * If an integer pointer for an count is not null then the value for the
1455 * count is returned.
1462 lpfc_get_hba_info(struct lpfc_hba
*phba
,
1463 uint32_t *mxri
, uint32_t *axri
,
1464 uint32_t *mrpi
, uint32_t *arpi
,
1465 uint32_t *mvpi
, uint32_t *avpi
)
1467 struct lpfc_mbx_read_config
*rd_config
;
1468 LPFC_MBOXQ_t
*pmboxq
;
1474 * prevent udev from issuing mailbox commands until the port is
1477 if (phba
->link_state
< LPFC_LINK_DOWN
||
1478 !phba
->mbox_mem_pool
||
1479 (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
) == 0)
1482 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
1485 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1488 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
1490 pmb
= &pmboxq
->u
.mb
;
1491 pmb
->mbxCommand
= MBX_READ_CONFIG
;
1492 pmb
->mbxOwner
= OWN_HOST
;
1493 pmboxq
->context1
= NULL
;
1495 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
1496 rc
= MBX_NOT_FINISHED
;
1498 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
1500 if (rc
!= MBX_SUCCESS
) {
1501 if (rc
!= MBX_TIMEOUT
)
1502 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1506 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
1507 rd_config
= &pmboxq
->u
.mqe
.un
.rd_config
;
1509 *mrpi
= bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
1511 *arpi
= bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
) -
1512 phba
->sli4_hba
.max_cfg_param
.rpi_used
;
1514 *mxri
= bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
1516 *axri
= bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
) -
1517 phba
->sli4_hba
.max_cfg_param
.xri_used
;
1519 /* Account for differences with SLI-3. Get vpi count from
1520 * mailbox data and subtract one for max vpi value.
1522 max_vpi
= (bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
) > 0) ?
1523 (bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
) - 1) : 0;
1525 /* Limit the max we support */
1526 if (max_vpi
> LPFC_MAX_VPI
)
1527 max_vpi
= LPFC_MAX_VPI
;
1531 *avpi
= max_vpi
- phba
->sli4_hba
.max_cfg_param
.vpi_used
;
1534 *mrpi
= pmb
->un
.varRdConfig
.max_rpi
;
1536 *arpi
= pmb
->un
.varRdConfig
.avail_rpi
;
1538 *mxri
= pmb
->un
.varRdConfig
.max_xri
;
1540 *axri
= pmb
->un
.varRdConfig
.avail_xri
;
1542 *mvpi
= pmb
->un
.varRdConfig
.max_vpi
;
1544 /* avail_vpi is only valid if link is up and ready */
1545 if (phba
->link_state
== LPFC_HBA_READY
)
1546 *avpi
= pmb
->un
.varRdConfig
.avail_vpi
;
1548 *avpi
= pmb
->un
.varRdConfig
.max_vpi
;
1552 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1557 * lpfc_max_rpi_show - Return maximum rpi
1558 * @dev: class device that is converted into a Scsi_host.
1559 * @attr: device attribute, not used.
1560 * @buf: on return contains the maximum rpi count in decimal or "Unknown".
1563 * Calls lpfc_get_hba_info() asking for just the mrpi count.
1564 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1565 * to "Unknown" and the buffer length is returned, therefore the caller
1566 * must check for "Unknown" in the buffer to detect a failure.
1568 * Returns: size of formatted string.
1571 lpfc_max_rpi_show(struct device
*dev
, struct device_attribute
*attr
,
1574 struct Scsi_Host
*shost
= class_to_shost(dev
);
1575 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1576 struct lpfc_hba
*phba
= vport
->phba
;
1579 if (lpfc_get_hba_info(phba
, NULL
, NULL
, &cnt
, NULL
, NULL
, NULL
))
1580 return scnprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
1581 return scnprintf(buf
, PAGE_SIZE
, "Unknown\n");
1585 * lpfc_used_rpi_show - Return maximum rpi minus available rpi
1586 * @dev: class device that is converted into a Scsi_host.
1587 * @attr: device attribute, not used.
1588 * @buf: containing the used rpi count in decimal or "Unknown".
1591 * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts.
1592 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1593 * to "Unknown" and the buffer length is returned, therefore the caller
1594 * must check for "Unknown" in the buffer to detect a failure.
1596 * Returns: size of formatted string.
1599 lpfc_used_rpi_show(struct device
*dev
, struct device_attribute
*attr
,
1602 struct Scsi_Host
*shost
= class_to_shost(dev
);
1603 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1604 struct lpfc_hba
*phba
= vport
->phba
;
1607 if (lpfc_get_hba_info(phba
, NULL
, NULL
, &cnt
, &acnt
, NULL
, NULL
))
1608 return scnprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
1609 return scnprintf(buf
, PAGE_SIZE
, "Unknown\n");
1613 * lpfc_max_xri_show - Return maximum xri
1614 * @dev: class device that is converted into a Scsi_host.
1615 * @attr: device attribute, not used.
1616 * @buf: on return contains the maximum xri count in decimal or "Unknown".
1619 * Calls lpfc_get_hba_info() asking for just the mrpi count.
1620 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1621 * to "Unknown" and the buffer length is returned, therefore the caller
1622 * must check for "Unknown" in the buffer to detect a failure.
1624 * Returns: size of formatted string.
1627 lpfc_max_xri_show(struct device
*dev
, struct device_attribute
*attr
,
1630 struct Scsi_Host
*shost
= class_to_shost(dev
);
1631 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1632 struct lpfc_hba
*phba
= vport
->phba
;
1635 if (lpfc_get_hba_info(phba
, &cnt
, NULL
, NULL
, NULL
, NULL
, NULL
))
1636 return scnprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
1637 return scnprintf(buf
, PAGE_SIZE
, "Unknown\n");
1641 * lpfc_used_xri_show - Return maximum xpi minus the available xpi
1642 * @dev: class device that is converted into a Scsi_host.
1643 * @attr: device attribute, not used.
1644 * @buf: on return contains the used xri count in decimal or "Unknown".
1647 * Calls lpfc_get_hba_info() asking for just the mxri and axri counts.
1648 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1649 * to "Unknown" and the buffer length is returned, therefore the caller
1650 * must check for "Unknown" in the buffer to detect a failure.
1652 * Returns: size of formatted string.
1655 lpfc_used_xri_show(struct device
*dev
, struct device_attribute
*attr
,
1658 struct Scsi_Host
*shost
= class_to_shost(dev
);
1659 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1660 struct lpfc_hba
*phba
= vport
->phba
;
1663 if (lpfc_get_hba_info(phba
, &cnt
, &acnt
, NULL
, NULL
, NULL
, NULL
))
1664 return scnprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
1665 return scnprintf(buf
, PAGE_SIZE
, "Unknown\n");
1669 * lpfc_max_vpi_show - Return maximum vpi
1670 * @dev: class device that is converted into a Scsi_host.
1671 * @attr: device attribute, not used.
1672 * @buf: on return contains the maximum vpi count in decimal or "Unknown".
1675 * Calls lpfc_get_hba_info() asking for just the mvpi count.
1676 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1677 * to "Unknown" and the buffer length is returned, therefore the caller
1678 * must check for "Unknown" in the buffer to detect a failure.
1680 * Returns: size of formatted string.
1683 lpfc_max_vpi_show(struct device
*dev
, struct device_attribute
*attr
,
1686 struct Scsi_Host
*shost
= class_to_shost(dev
);
1687 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1688 struct lpfc_hba
*phba
= vport
->phba
;
1691 if (lpfc_get_hba_info(phba
, NULL
, NULL
, NULL
, NULL
, &cnt
, NULL
))
1692 return scnprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
1693 return scnprintf(buf
, PAGE_SIZE
, "Unknown\n");
1697 * lpfc_used_vpi_show - Return maximum vpi minus the available vpi
1698 * @dev: class device that is converted into a Scsi_host.
1699 * @attr: device attribute, not used.
1700 * @buf: on return contains the used vpi count in decimal or "Unknown".
1703 * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts.
1704 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1705 * to "Unknown" and the buffer length is returned, therefore the caller
1706 * must check for "Unknown" in the buffer to detect a failure.
1708 * Returns: size of formatted string.
1711 lpfc_used_vpi_show(struct device
*dev
, struct device_attribute
*attr
,
1714 struct Scsi_Host
*shost
= class_to_shost(dev
);
1715 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1716 struct lpfc_hba
*phba
= vport
->phba
;
1719 if (lpfc_get_hba_info(phba
, NULL
, NULL
, NULL
, NULL
, &cnt
, &acnt
))
1720 return scnprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
1721 return scnprintf(buf
, PAGE_SIZE
, "Unknown\n");
1725 * lpfc_npiv_info_show - Return text about NPIV support for the adapter
1726 * @dev: class device that is converted into a Scsi_host.
1727 * @attr: device attribute, not used.
1728 * @buf: text that must be interpreted to determine if npiv is supported.
1731 * Buffer will contain text indicating npiv is not suppoerted on the port,
1732 * the port is an NPIV physical port, or it is an npiv virtual port with
1733 * the id of the vport.
1735 * Returns: size of formatted string.
1738 lpfc_npiv_info_show(struct device
*dev
, struct device_attribute
*attr
,
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
;
1745 if (!(phba
->max_vpi
))
1746 return scnprintf(buf
, PAGE_SIZE
, "NPIV Not Supported\n");
1747 if (vport
->port_type
== LPFC_PHYSICAL_PORT
)
1748 return scnprintf(buf
, PAGE_SIZE
, "NPIV Physical\n");
1749 return scnprintf(buf
, PAGE_SIZE
, "NPIV Virtual (VPI %d)\n", vport
->vpi
);
1753 * lpfc_poll_show - Return text about poll support for the adapter
1754 * @dev: class device that is converted into a Scsi_host.
1755 * @attr: device attribute, not used.
1756 * @buf: on return contains the cfg_poll in hex.
1759 * cfg_poll should be a lpfc_polling_flags type.
1761 * Returns: size of formatted string.
1764 lpfc_poll_show(struct device
*dev
, struct device_attribute
*attr
,
1767 struct Scsi_Host
*shost
= class_to_shost(dev
);
1768 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1769 struct lpfc_hba
*phba
= vport
->phba
;
1771 return scnprintf(buf
, PAGE_SIZE
, "%#x\n", phba
->cfg_poll
);
1775 * lpfc_poll_store - Set the value of cfg_poll for the adapter
1776 * @dev: class device that is converted into a Scsi_host.
1777 * @attr: device attribute, not used.
1778 * @buf: one or more lpfc_polling_flags values.
1782 * buf contents converted to integer and checked for a valid value.
1785 * -EINVAL if the buffer connot be converted or is out of range
1786 * length of the buf on success
1789 lpfc_poll_store(struct device
*dev
, struct device_attribute
*attr
,
1790 const char *buf
, size_t count
)
1792 struct Scsi_Host
*shost
= class_to_shost(dev
);
1793 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1794 struct lpfc_hba
*phba
= vport
->phba
;
1799 if (!isdigit(buf
[0]))
1802 if (sscanf(buf
, "%i", &val
) != 1)
1805 if ((val
& 0x3) != val
)
1808 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1811 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
1812 "3051 lpfc_poll changed from %d to %d\n",
1813 phba
->cfg_poll
, val
);
1815 spin_lock_irq(&phba
->hbalock
);
1817 old_val
= phba
->cfg_poll
;
1819 if (val
& ENABLE_FCP_RING_POLLING
) {
1820 if ((val
& DISABLE_FCP_RING_INT
) &&
1821 !(old_val
& DISABLE_FCP_RING_INT
)) {
1822 if (lpfc_readl(phba
->HCregaddr
, &creg_val
)) {
1823 spin_unlock_irq(&phba
->hbalock
);
1826 creg_val
&= ~(HC_R0INT_ENA
<< LPFC_FCP_RING
);
1827 writel(creg_val
, phba
->HCregaddr
);
1828 readl(phba
->HCregaddr
); /* flush */
1830 lpfc_poll_start_timer(phba
);
1832 } else if (val
!= 0x0) {
1833 spin_unlock_irq(&phba
->hbalock
);
1837 if (!(val
& DISABLE_FCP_RING_INT
) &&
1838 (old_val
& DISABLE_FCP_RING_INT
))
1840 spin_unlock_irq(&phba
->hbalock
);
1841 del_timer(&phba
->fcp_poll_timer
);
1842 spin_lock_irq(&phba
->hbalock
);
1843 if (lpfc_readl(phba
->HCregaddr
, &creg_val
)) {
1844 spin_unlock_irq(&phba
->hbalock
);
1847 creg_val
|= (HC_R0INT_ENA
<< LPFC_FCP_RING
);
1848 writel(creg_val
, phba
->HCregaddr
);
1849 readl(phba
->HCregaddr
); /* flush */
1852 phba
->cfg_poll
= val
;
1854 spin_unlock_irq(&phba
->hbalock
);
1860 * lpfc_fips_level_show - Return the current FIPS level for the HBA
1861 * @dev: class unused variable.
1862 * @attr: device attribute, not used.
1863 * @buf: on return contains the module description text.
1865 * Returns: size of formatted string.
1868 lpfc_fips_level_show(struct device
*dev
, struct device_attribute
*attr
,
1871 struct Scsi_Host
*shost
= class_to_shost(dev
);
1872 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1873 struct lpfc_hba
*phba
= vport
->phba
;
1875 return scnprintf(buf
, PAGE_SIZE
, "%d\n", phba
->fips_level
);
1879 * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA
1880 * @dev: class unused variable.
1881 * @attr: device attribute, not used.
1882 * @buf: on return contains the module description text.
1884 * Returns: size of formatted string.
1887 lpfc_fips_rev_show(struct device
*dev
, struct device_attribute
*attr
,
1890 struct Scsi_Host
*shost
= class_to_shost(dev
);
1891 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1892 struct lpfc_hba
*phba
= vport
->phba
;
1894 return scnprintf(buf
, PAGE_SIZE
, "%d\n", phba
->fips_spec_rev
);
1898 * lpfc_dss_show - Return the current state of dss and the configured state
1899 * @dev: class converted to a Scsi_host structure.
1900 * @attr: device attribute, not used.
1901 * @buf: on return contains the formatted text.
1903 * Returns: size of formatted string.
1906 lpfc_dss_show(struct device
*dev
, struct device_attribute
*attr
,
1909 struct Scsi_Host
*shost
= class_to_shost(dev
);
1910 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1911 struct lpfc_hba
*phba
= vport
->phba
;
1913 return scnprintf(buf
, PAGE_SIZE
, "%s - %sOperational\n",
1914 (phba
->cfg_enable_dss
) ? "Enabled" : "Disabled",
1915 (phba
->sli3_options
& LPFC_SLI3_DSS_ENABLED
) ?
1920 * lpfc_sriov_hw_max_virtfn_show - Return maximum number of virtual functions
1921 * @dev: class converted to a Scsi_host structure.
1922 * @attr: device attribute, not used.
1923 * @buf: on return contains the formatted support level.
1926 * Returns the maximum number of virtual functions a physical function can
1927 * support, 0 will be returned if called on virtual function.
1929 * Returns: size of formatted string.
1932 lpfc_sriov_hw_max_virtfn_show(struct device
*dev
,
1933 struct device_attribute
*attr
,
1936 struct Scsi_Host
*shost
= class_to_shost(dev
);
1937 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1938 struct lpfc_hba
*phba
= vport
->phba
;
1939 uint16_t max_nr_virtfn
;
1941 max_nr_virtfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
1942 return scnprintf(buf
, PAGE_SIZE
, "%d\n", max_nr_virtfn
);
1945 static inline bool lpfc_rangecheck(uint val
, uint min
, uint max
)
1947 return val
>= min
&& val
<= max
;
1951 * lpfc_enable_bbcr_set: Sets an attribute value.
1952 * @phba: pointer the the adapter structure.
1953 * @val: integer attribute value.
1956 * Validates the min and max values then sets the
1957 * adapter config field if in the valid range. prints error message
1958 * and does not set the parameter if invalid.
1962 * -EINVAL if val is invalid
1965 lpfc_enable_bbcr_set(struct lpfc_hba
*phba
, uint val
)
1967 if (lpfc_rangecheck(val
, 0, 1) && phba
->sli_rev
== LPFC_SLI_REV4
) {
1968 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1969 "3068 %s_enable_bbcr changed from %d to %d\n",
1970 LPFC_DRIVER_NAME
, phba
->cfg_enable_bbcr
, val
);
1971 phba
->cfg_enable_bbcr
= val
;
1974 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1975 "0451 %s_enable_bbcr cannot set to %d, range is 0, 1\n",
1976 LPFC_DRIVER_NAME
, val
);
1981 * lpfc_param_show - Return a cfg attribute value in decimal
1984 * Macro that given an attr e.g. hba_queue_depth expands
1985 * into a function with the name lpfc_hba_queue_depth_show.
1987 * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field.
1988 * @dev: class device that is converted into a Scsi_host.
1989 * @attr: device attribute, not used.
1990 * @buf: on return contains the attribute value in decimal.
1992 * Returns: size of formatted string.
1994 #define lpfc_param_show(attr) \
1996 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1999 struct Scsi_Host *shost = class_to_shost(dev);\
2000 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2001 struct lpfc_hba *phba = vport->phba;\
2002 return scnprintf(buf, PAGE_SIZE, "%d\n",\
2007 * lpfc_param_hex_show - Return a cfg attribute value in hex
2010 * Macro that given an attr e.g. hba_queue_depth expands
2011 * into a function with the name lpfc_hba_queue_depth_show
2013 * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field.
2014 * @dev: class device that is converted into a Scsi_host.
2015 * @attr: device attribute, not used.
2016 * @buf: on return contains the attribute value in hexadecimal.
2018 * Returns: size of formatted string.
2020 #define lpfc_param_hex_show(attr) \
2022 lpfc_##attr##_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;\
2029 val = phba->cfg_##attr;\
2030 return scnprintf(buf, PAGE_SIZE, "%#x\n",\
2035 * lpfc_param_init - Initializes a cfg attribute
2038 * Macro that given an attr e.g. hba_queue_depth expands
2039 * into a function with the name lpfc_hba_queue_depth_init. The macro also
2040 * takes a default argument, a minimum and maximum argument.
2042 * lpfc_##attr##_init: Initializes an attribute.
2043 * @phba: pointer the the adapter structure.
2044 * @val: integer attribute value.
2046 * Validates the min and max values then sets the adapter config field
2047 * accordingly, or uses the default if out of range and prints an error message.
2051 * -EINVAL if default used
2053 #define lpfc_param_init(attr, default, minval, maxval) \
2055 lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \
2057 if (lpfc_rangecheck(val, minval, maxval)) {\
2058 phba->cfg_##attr = val;\
2061 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
2062 "0449 lpfc_"#attr" attribute cannot be set to %d, "\
2063 "allowed range is ["#minval", "#maxval"]\n", val); \
2064 phba->cfg_##attr = default;\
2069 * lpfc_param_set - Set a cfg attribute value
2072 * Macro that given an attr e.g. hba_queue_depth expands
2073 * into a function with the name lpfc_hba_queue_depth_set
2075 * lpfc_##attr##_set: Sets an attribute value.
2076 * @phba: pointer the the adapter structure.
2077 * @val: integer attribute value.
2080 * Validates the min and max values then sets the
2081 * adapter config field if in the valid range. prints error message
2082 * and does not set the parameter if invalid.
2086 * -EINVAL if val is invalid
2088 #define lpfc_param_set(attr, default, minval, maxval) \
2090 lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \
2092 if (lpfc_rangecheck(val, minval, maxval)) {\
2093 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
2094 "3052 lpfc_" #attr " changed from %d to %d\n", \
2095 phba->cfg_##attr, val); \
2096 phba->cfg_##attr = val;\
2099 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
2100 "0450 lpfc_"#attr" attribute cannot be set to %d, "\
2101 "allowed range is ["#minval", "#maxval"]\n", val); \
2106 * lpfc_param_store - Set a vport attribute value
2109 * Macro that given an attr e.g. hba_queue_depth expands
2110 * into a function with the name lpfc_hba_queue_depth_store.
2112 * lpfc_##attr##_store: Set an sttribute value.
2113 * @dev: class device that is converted into a Scsi_host.
2114 * @attr: device attribute, not used.
2115 * @buf: contains the attribute value in ascii.
2119 * Convert the ascii text number to an integer, then
2120 * use the lpfc_##attr##_set function to set the value.
2123 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
2124 * length of buffer upon success.
2126 #define lpfc_param_store(attr) \
2128 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
2129 const char *buf, size_t count) \
2131 struct Scsi_Host *shost = class_to_shost(dev);\
2132 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2133 struct lpfc_hba *phba = vport->phba;\
2135 if (!isdigit(buf[0]))\
2137 if (sscanf(buf, "%i", &val) != 1)\
2139 if (lpfc_##attr##_set(phba, val) == 0) \
2140 return strlen(buf);\
2146 * lpfc_vport_param_show - Return decimal formatted cfg attribute value
2149 * Macro that given an attr e.g. hba_queue_depth expands
2150 * into a function with the name lpfc_hba_queue_depth_show
2152 * lpfc_##attr##_show: prints the attribute value in decimal.
2153 * @dev: class device that is converted into a Scsi_host.
2154 * @attr: device attribute, not used.
2155 * @buf: on return contains the attribute value in decimal.
2157 * Returns: length of formatted string.
2159 #define lpfc_vport_param_show(attr) \
2161 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
2164 struct Scsi_Host *shost = class_to_shost(dev);\
2165 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2166 return scnprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
2170 * lpfc_vport_param_hex_show - Return hex formatted attribute value
2173 * Macro that given an attr e.g.
2174 * hba_queue_depth expands into a function with the name
2175 * lpfc_hba_queue_depth_show
2177 * lpfc_##attr##_show: prints the attribute value in hexadecimal.
2178 * @dev: class device that is converted into a Scsi_host.
2179 * @attr: device attribute, not used.
2180 * @buf: on return contains the attribute value in hexadecimal.
2182 * Returns: length of formatted string.
2184 #define lpfc_vport_param_hex_show(attr) \
2186 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
2189 struct Scsi_Host *shost = class_to_shost(dev);\
2190 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2191 return scnprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
2195 * lpfc_vport_param_init - Initialize a vport cfg attribute
2198 * Macro that given an attr e.g. hba_queue_depth expands
2199 * into a function with the name lpfc_hba_queue_depth_init. The macro also
2200 * takes a default argument, a minimum and maximum argument.
2202 * lpfc_##attr##_init: validates the min and max values then sets the
2203 * adapter config field accordingly, or uses the default if out of range
2204 * and prints an error message.
2205 * @phba: pointer the the adapter structure.
2206 * @val: integer attribute value.
2210 * -EINVAL if default used
2212 #define lpfc_vport_param_init(attr, default, minval, maxval) \
2214 lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \
2216 if (lpfc_rangecheck(val, minval, maxval)) {\
2217 vport->cfg_##attr = val;\
2220 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
2221 "0423 lpfc_"#attr" attribute cannot be set to %d, "\
2222 "allowed range is ["#minval", "#maxval"]\n", val); \
2223 vport->cfg_##attr = default;\
2228 * lpfc_vport_param_set - Set a vport cfg attribute
2231 * Macro that given an attr e.g. hba_queue_depth expands
2232 * into a function with the name lpfc_hba_queue_depth_set
2234 * lpfc_##attr##_set: validates the min and max values then sets the
2235 * adapter config field if in the valid range. prints error message
2236 * and does not set the parameter if invalid.
2237 * @phba: pointer the the adapter structure.
2238 * @val: integer attribute value.
2242 * -EINVAL if val is invalid
2244 #define lpfc_vport_param_set(attr, default, minval, maxval) \
2246 lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \
2248 if (lpfc_rangecheck(val, minval, maxval)) {\
2249 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
2250 "3053 lpfc_" #attr \
2251 " changed from %d (x%x) to %d (x%x)\n", \
2252 vport->cfg_##attr, vport->cfg_##attr, \
2254 vport->cfg_##attr = val;\
2257 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
2258 "0424 lpfc_"#attr" attribute cannot be set to %d, "\
2259 "allowed range is ["#minval", "#maxval"]\n", val); \
2264 * lpfc_vport_param_store - Set a vport attribute
2267 * Macro that given an attr e.g. hba_queue_depth
2268 * expands into a function with the name lpfc_hba_queue_depth_store
2270 * lpfc_##attr##_store: convert the ascii text number to an integer, then
2271 * use the lpfc_##attr##_set function to set the value.
2272 * @cdev: class device that is converted into a Scsi_host.
2273 * @buf: contains the attribute value in decimal.
2277 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
2278 * length of buffer upon success.
2280 #define lpfc_vport_param_store(attr) \
2282 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
2283 const char *buf, size_t count) \
2285 struct Scsi_Host *shost = class_to_shost(dev);\
2286 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2288 if (!isdigit(buf[0]))\
2290 if (sscanf(buf, "%i", &val) != 1)\
2292 if (lpfc_##attr##_set(vport, val) == 0) \
2293 return strlen(buf);\
2299 static DEVICE_ATTR(nvme_info
, 0444, lpfc_nvme_info_show
, NULL
);
2300 static DEVICE_ATTR(bg_info
, S_IRUGO
, lpfc_bg_info_show
, NULL
);
2301 static DEVICE_ATTR(bg_guard_err
, S_IRUGO
, lpfc_bg_guard_err_show
, NULL
);
2302 static DEVICE_ATTR(bg_apptag_err
, S_IRUGO
, lpfc_bg_apptag_err_show
, NULL
);
2303 static DEVICE_ATTR(bg_reftag_err
, S_IRUGO
, lpfc_bg_reftag_err_show
, NULL
);
2304 static DEVICE_ATTR(info
, S_IRUGO
, lpfc_info_show
, NULL
);
2305 static DEVICE_ATTR(serialnum
, S_IRUGO
, lpfc_serialnum_show
, NULL
);
2306 static DEVICE_ATTR(modeldesc
, S_IRUGO
, lpfc_modeldesc_show
, NULL
);
2307 static DEVICE_ATTR(modelname
, S_IRUGO
, lpfc_modelname_show
, NULL
);
2308 static DEVICE_ATTR(programtype
, S_IRUGO
, lpfc_programtype_show
, NULL
);
2309 static DEVICE_ATTR(portnum
, S_IRUGO
, lpfc_vportnum_show
, NULL
);
2310 static DEVICE_ATTR(fwrev
, S_IRUGO
, lpfc_fwrev_show
, NULL
);
2311 static DEVICE_ATTR(hdw
, S_IRUGO
, lpfc_hdw_show
, NULL
);
2312 static DEVICE_ATTR(link_state
, S_IRUGO
| S_IWUSR
, lpfc_link_state_show
,
2313 lpfc_link_state_store
);
2314 static DEVICE_ATTR(option_rom_version
, S_IRUGO
,
2315 lpfc_option_rom_version_show
, NULL
);
2316 static DEVICE_ATTR(num_discovered_ports
, S_IRUGO
,
2317 lpfc_num_discovered_ports_show
, NULL
);
2318 static DEVICE_ATTR(menlo_mgmt_mode
, S_IRUGO
, lpfc_mlomgmt_show
, NULL
);
2319 static DEVICE_ATTR(nport_evt_cnt
, S_IRUGO
, lpfc_nport_evt_cnt_show
, NULL
);
2320 static DEVICE_ATTR_RO(lpfc_drvr_version
);
2321 static DEVICE_ATTR_RO(lpfc_enable_fip
);
2322 static DEVICE_ATTR(board_mode
, S_IRUGO
| S_IWUSR
,
2323 lpfc_board_mode_show
, lpfc_board_mode_store
);
2324 static DEVICE_ATTR(issue_reset
, S_IWUSR
, NULL
, lpfc_issue_reset
);
2325 static DEVICE_ATTR(max_vpi
, S_IRUGO
, lpfc_max_vpi_show
, NULL
);
2326 static DEVICE_ATTR(used_vpi
, S_IRUGO
, lpfc_used_vpi_show
, NULL
);
2327 static DEVICE_ATTR(max_rpi
, S_IRUGO
, lpfc_max_rpi_show
, NULL
);
2328 static DEVICE_ATTR(used_rpi
, S_IRUGO
, lpfc_used_rpi_show
, NULL
);
2329 static DEVICE_ATTR(max_xri
, S_IRUGO
, lpfc_max_xri_show
, NULL
);
2330 static DEVICE_ATTR(used_xri
, S_IRUGO
, lpfc_used_xri_show
, NULL
);
2331 static DEVICE_ATTR(npiv_info
, S_IRUGO
, lpfc_npiv_info_show
, NULL
);
2332 static DEVICE_ATTR_RO(lpfc_temp_sensor
);
2333 static DEVICE_ATTR_RO(lpfc_fips_level
);
2334 static DEVICE_ATTR_RO(lpfc_fips_rev
);
2335 static DEVICE_ATTR_RO(lpfc_dss
);
2336 static DEVICE_ATTR_RO(lpfc_sriov_hw_max_virtfn
);
2337 static DEVICE_ATTR(protocol
, S_IRUGO
, lpfc_sli4_protocol_show
, NULL
);
2338 static DEVICE_ATTR(lpfc_xlane_supported
, S_IRUGO
, lpfc_oas_supported_show
,
2341 static char *lpfc_soft_wwn_key
= "C99G71SL8032A";
2344 * lpfc_wwn_set - Convert string to the 8 byte WWN value.
2346 * @cnt: Length of string.
2347 * @wwn: Array to receive converted wwn value.
2350 * -EINVAL if the buffer does not contain a valid wwn
2354 lpfc_wwn_set(const char *buf
, size_t cnt
, char wwn
[])
2358 /* Count may include a LF at end of string */
2359 if (buf
[cnt
-1] == '\n')
2362 if ((cnt
< 16) || (cnt
> 18) || ((cnt
== 17) && (*buf
++ != 'x')) ||
2363 ((cnt
== 18) && ((*buf
++ != '0') || (*buf
++ != 'x'))))
2366 memset(wwn
, 0, WWN_SZ
);
2368 /* Validate and store the new name */
2369 for (i
= 0, j
= 0; i
< 16; i
++) {
2370 if ((*buf
>= 'a') && (*buf
<= 'f'))
2371 j
= ((j
<< 4) | ((*buf
++ - 'a') + 10));
2372 else if ((*buf
>= 'A') && (*buf
<= 'F'))
2373 j
= ((j
<< 4) | ((*buf
++ - 'A') + 10));
2374 else if ((*buf
>= '0') && (*buf
<= '9'))
2375 j
= ((j
<< 4) | (*buf
++ - '0'));
2379 wwn
[i
/2] = j
& 0xff;
2386 * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid
2387 * @dev: class device that is converted into a Scsi_host.
2388 * @attr: device attribute, not used.
2389 * @buf: containing the string lpfc_soft_wwn_key.
2390 * @count: must be size of lpfc_soft_wwn_key.
2393 * -EINVAL if the buffer does not contain lpfc_soft_wwn_key
2394 * length of buf indicates success
2397 lpfc_soft_wwn_enable_store(struct device
*dev
, struct device_attribute
*attr
,
2398 const char *buf
, size_t count
)
2400 struct Scsi_Host
*shost
= class_to_shost(dev
);
2401 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2402 struct lpfc_hba
*phba
= vport
->phba
;
2403 unsigned int cnt
= count
;
2404 uint8_t vvvl
= vport
->fc_sparam
.cmn
.valid_vendor_ver_level
;
2405 u32
*fawwpn_key
= (uint32_t *)&vport
->fc_sparam
.un
.vendorVersion
[0];
2408 * We're doing a simple sanity check for soft_wwpn setting.
2409 * We require that the user write a specific key to enable
2410 * the soft_wwpn attribute to be settable. Once the attribute
2411 * is written, the enable key resets. If further updates are
2412 * desired, the key must be written again to re-enable the
2415 * The "key" is not secret - it is a hardcoded string shown
2416 * here. The intent is to protect against the random user or
2417 * application that is just writing attributes.
2419 if (vvvl
== 1 && cpu_to_be32(*fawwpn_key
) == FAPWWN_KEY_VENDOR
) {
2420 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2421 "0051 "LPFC_DRIVER_NAME
" soft wwpn can not"
2422 " be enabled: fawwpn is enabled\n");
2426 /* count may include a LF at end of string */
2427 if (buf
[cnt
-1] == '\n')
2430 if ((cnt
!= strlen(lpfc_soft_wwn_key
)) ||
2431 (strncmp(buf
, lpfc_soft_wwn_key
, strlen(lpfc_soft_wwn_key
)) != 0))
2434 phba
->soft_wwn_enable
= 1;
2436 dev_printk(KERN_WARNING
, &phba
->pcidev
->dev
,
2437 "lpfc%d: soft_wwpn assignment has been enabled.\n",
2439 dev_printk(KERN_WARNING
, &phba
->pcidev
->dev
,
2440 " The soft_wwpn feature is not supported by Broadcom.");
2444 static DEVICE_ATTR_WO(lpfc_soft_wwn_enable
);
2447 * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter
2448 * @dev: class device that is converted into a Scsi_host.
2449 * @attr: device attribute, not used.
2450 * @buf: on return contains the wwpn in hexadecimal.
2452 * Returns: size of formatted string.
2455 lpfc_soft_wwpn_show(struct device
*dev
, struct device_attribute
*attr
,
2458 struct Scsi_Host
*shost
= class_to_shost(dev
);
2459 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2460 struct lpfc_hba
*phba
= vport
->phba
;
2462 return scnprintf(buf
, PAGE_SIZE
, "0x%llx\n",
2463 (unsigned long long)phba
->cfg_soft_wwpn
);
2467 * lpfc_soft_wwpn_store - Set the ww port name of the adapter
2468 * @dev class device that is converted into a Scsi_host.
2469 * @attr: device attribute, not used.
2470 * @buf: contains the wwpn in hexadecimal.
2471 * @count: number of wwpn bytes in buf
2474 * -EACCES hba reset not enabled, adapter over temp
2475 * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid
2476 * -EIO error taking adapter offline or online
2477 * value of count on success
2480 lpfc_soft_wwpn_store(struct device
*dev
, struct device_attribute
*attr
,
2481 const char *buf
, size_t count
)
2483 struct Scsi_Host
*shost
= class_to_shost(dev
);
2484 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2485 struct lpfc_hba
*phba
= vport
->phba
;
2486 struct completion online_compl
;
2487 int stat1
= 0, stat2
= 0;
2488 unsigned int cnt
= count
;
2492 if (!phba
->cfg_enable_hba_reset
)
2494 spin_lock_irq(&phba
->hbalock
);
2495 if (phba
->over_temp_state
== HBA_OVER_TEMP
) {
2496 spin_unlock_irq(&phba
->hbalock
);
2499 spin_unlock_irq(&phba
->hbalock
);
2500 /* count may include a LF at end of string */
2501 if (buf
[cnt
-1] == '\n')
2504 if (!phba
->soft_wwn_enable
)
2507 /* lock setting wwpn, wwnn down */
2508 phba
->soft_wwn_enable
= 0;
2510 rc
= lpfc_wwn_set(buf
, cnt
, wwpn
);
2512 /* not able to set wwpn, unlock it */
2513 phba
->soft_wwn_enable
= 1;
2517 phba
->cfg_soft_wwpn
= wwn_to_u64(wwpn
);
2518 fc_host_port_name(shost
) = phba
->cfg_soft_wwpn
;
2519 if (phba
->cfg_soft_wwnn
)
2520 fc_host_node_name(shost
) = phba
->cfg_soft_wwnn
;
2522 dev_printk(KERN_NOTICE
, &phba
->pcidev
->dev
,
2523 "lpfc%d: Reinitializing to use soft_wwpn\n", phba
->brd_no
);
2525 stat1
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
2527 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2528 "0463 lpfc_soft_wwpn attribute set failed to "
2529 "reinit adapter - %d\n", stat1
);
2530 init_completion(&online_compl
);
2531 rc
= lpfc_workq_post_event(phba
, &stat2
, &online_compl
,
2536 wait_for_completion(&online_compl
);
2538 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2539 "0464 lpfc_soft_wwpn attribute set failed to "
2540 "reinit adapter - %d\n", stat2
);
2541 return (stat1
|| stat2
) ? -EIO
: count
;
2543 static DEVICE_ATTR_RW(lpfc_soft_wwpn
);
2546 * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter
2547 * @dev: class device that is converted into a Scsi_host.
2548 * @attr: device attribute, not used.
2549 * @buf: on return contains the wwnn in hexadecimal.
2551 * Returns: size of formatted string.
2554 lpfc_soft_wwnn_show(struct device
*dev
, struct device_attribute
*attr
,
2557 struct Scsi_Host
*shost
= class_to_shost(dev
);
2558 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2559 return scnprintf(buf
, PAGE_SIZE
, "0x%llx\n",
2560 (unsigned long long)phba
->cfg_soft_wwnn
);
2564 * lpfc_soft_wwnn_store - sets the ww node name of the adapter
2565 * @cdev: class device that is converted into a Scsi_host.
2566 * @buf: contains the ww node name in hexadecimal.
2567 * @count: number of wwnn bytes in buf.
2570 * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid
2571 * value of count on success
2574 lpfc_soft_wwnn_store(struct device
*dev
, struct device_attribute
*attr
,
2575 const char *buf
, size_t count
)
2577 struct Scsi_Host
*shost
= class_to_shost(dev
);
2578 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2579 unsigned int cnt
= count
;
2583 /* count may include a LF at end of string */
2584 if (buf
[cnt
-1] == '\n')
2587 if (!phba
->soft_wwn_enable
)
2590 rc
= lpfc_wwn_set(buf
, cnt
, wwnn
);
2592 /* Allow wwnn to be set many times, as long as the enable
2593 * is set. However, once the wwpn is set, everything locks.
2598 phba
->cfg_soft_wwnn
= wwn_to_u64(wwnn
);
2600 dev_printk(KERN_NOTICE
, &phba
->pcidev
->dev
,
2601 "lpfc%d: soft_wwnn set. Value will take effect upon "
2602 "setting of the soft_wwpn\n", phba
->brd_no
);
2606 static DEVICE_ATTR_RW(lpfc_soft_wwnn
);
2609 * lpfc_oas_tgt_show - Return wwpn of target whose luns maybe enabled for
2610 * Optimized Access Storage (OAS) operations.
2611 * @dev: class device that is converted into a Scsi_host.
2612 * @attr: device attribute, not used.
2613 * @buf: buffer for passing information.
2619 lpfc_oas_tgt_show(struct device
*dev
, struct device_attribute
*attr
,
2622 struct Scsi_Host
*shost
= class_to_shost(dev
);
2623 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2625 return scnprintf(buf
, PAGE_SIZE
, "0x%llx\n",
2626 wwn_to_u64(phba
->cfg_oas_tgt_wwpn
));
2630 * lpfc_oas_tgt_store - Store wwpn of target whose luns maybe enabled for
2631 * Optimized Access Storage (OAS) operations.
2632 * @dev: class device that is converted into a Scsi_host.
2633 * @attr: device attribute, not used.
2634 * @buf: buffer for passing information.
2635 * @count: Size of the data buffer.
2638 * -EINVAL count is invalid, invalid wwpn byte invalid
2639 * -EPERM oas is not supported by hba
2640 * value of count on success
2643 lpfc_oas_tgt_store(struct device
*dev
, struct device_attribute
*attr
,
2644 const char *buf
, size_t count
)
2646 struct Scsi_Host
*shost
= class_to_shost(dev
);
2647 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2648 unsigned int cnt
= count
;
2649 uint8_t wwpn
[WWN_SZ
];
2655 /* count may include a LF at end of string */
2656 if (buf
[cnt
-1] == '\n')
2659 rc
= lpfc_wwn_set(buf
, cnt
, wwpn
);
2663 memcpy(phba
->cfg_oas_tgt_wwpn
, wwpn
, (8 * sizeof(uint8_t)));
2664 memcpy(phba
->sli4_hba
.oas_next_tgt_wwpn
, wwpn
, (8 * sizeof(uint8_t)));
2665 if (wwn_to_u64(wwpn
) == 0)
2666 phba
->cfg_oas_flags
|= OAS_FIND_ANY_TARGET
;
2668 phba
->cfg_oas_flags
&= ~OAS_FIND_ANY_TARGET
;
2669 phba
->cfg_oas_flags
&= ~OAS_LUN_VALID
;
2670 phba
->sli4_hba
.oas_next_lun
= FIND_FIRST_OAS_LUN
;
2673 static DEVICE_ATTR(lpfc_xlane_tgt
, S_IRUGO
| S_IWUSR
,
2674 lpfc_oas_tgt_show
, lpfc_oas_tgt_store
);
2677 * lpfc_oas_priority_show - Return wwpn of target whose luns maybe enabled for
2678 * Optimized Access Storage (OAS) operations.
2679 * @dev: class device that is converted into a Scsi_host.
2680 * @attr: device attribute, not used.
2681 * @buf: buffer for passing information.
2687 lpfc_oas_priority_show(struct device
*dev
, struct device_attribute
*attr
,
2690 struct Scsi_Host
*shost
= class_to_shost(dev
);
2691 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2693 return scnprintf(buf
, PAGE_SIZE
, "%d\n", phba
->cfg_oas_priority
);
2697 * lpfc_oas_priority_store - Store wwpn of target whose luns maybe enabled for
2698 * Optimized Access Storage (OAS) operations.
2699 * @dev: class device that is converted into a Scsi_host.
2700 * @attr: device attribute, not used.
2701 * @buf: buffer for passing information.
2702 * @count: Size of the data buffer.
2705 * -EINVAL count is invalid, invalid wwpn byte invalid
2706 * -EPERM oas is not supported by hba
2707 * value of count on success
2710 lpfc_oas_priority_store(struct device
*dev
, struct device_attribute
*attr
,
2711 const char *buf
, size_t count
)
2713 struct Scsi_Host
*shost
= class_to_shost(dev
);
2714 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2715 unsigned int cnt
= count
;
2722 /* count may include a LF at end of string */
2723 if (buf
[cnt
-1] == '\n')
2726 ret
= kstrtoul(buf
, 0, &val
);
2727 if (ret
|| (val
> 0x7f))
2731 phba
->cfg_oas_priority
= (uint8_t)val
;
2733 phba
->cfg_oas_priority
= phba
->cfg_XLanePriority
;
2736 static DEVICE_ATTR(lpfc_xlane_priority
, S_IRUGO
| S_IWUSR
,
2737 lpfc_oas_priority_show
, lpfc_oas_priority_store
);
2740 * lpfc_oas_vpt_show - Return wwpn of vport whose targets maybe enabled
2741 * for Optimized Access Storage (OAS) operations.
2742 * @dev: class device that is converted into a Scsi_host.
2743 * @attr: device attribute, not used.
2744 * @buf: buffer for passing information.
2747 * value of count on success
2750 lpfc_oas_vpt_show(struct device
*dev
, struct device_attribute
*attr
,
2753 struct Scsi_Host
*shost
= class_to_shost(dev
);
2754 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2756 return scnprintf(buf
, PAGE_SIZE
, "0x%llx\n",
2757 wwn_to_u64(phba
->cfg_oas_vpt_wwpn
));
2761 * lpfc_oas_vpt_store - Store wwpn of vport whose targets maybe enabled
2762 * for Optimized Access Storage (OAS) operations.
2763 * @dev: class device that is converted into a Scsi_host.
2764 * @attr: device attribute, not used.
2765 * @buf: buffer for passing information.
2766 * @count: Size of the data buffer.
2769 * -EINVAL count is invalid, invalid wwpn byte invalid
2770 * -EPERM oas is not supported by hba
2771 * value of count on success
2774 lpfc_oas_vpt_store(struct device
*dev
, struct device_attribute
*attr
,
2775 const char *buf
, size_t count
)
2777 struct Scsi_Host
*shost
= class_to_shost(dev
);
2778 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2779 unsigned int cnt
= count
;
2780 uint8_t wwpn
[WWN_SZ
];
2786 /* count may include a LF at end of string */
2787 if (buf
[cnt
-1] == '\n')
2790 rc
= lpfc_wwn_set(buf
, cnt
, wwpn
);
2794 memcpy(phba
->cfg_oas_vpt_wwpn
, wwpn
, (8 * sizeof(uint8_t)));
2795 memcpy(phba
->sli4_hba
.oas_next_vpt_wwpn
, wwpn
, (8 * sizeof(uint8_t)));
2796 if (wwn_to_u64(wwpn
) == 0)
2797 phba
->cfg_oas_flags
|= OAS_FIND_ANY_VPORT
;
2799 phba
->cfg_oas_flags
&= ~OAS_FIND_ANY_VPORT
;
2800 phba
->cfg_oas_flags
&= ~OAS_LUN_VALID
;
2801 if (phba
->cfg_oas_priority
== 0)
2802 phba
->cfg_oas_priority
= phba
->cfg_XLanePriority
;
2803 phba
->sli4_hba
.oas_next_lun
= FIND_FIRST_OAS_LUN
;
2806 static DEVICE_ATTR(lpfc_xlane_vpt
, S_IRUGO
| S_IWUSR
,
2807 lpfc_oas_vpt_show
, lpfc_oas_vpt_store
);
2810 * lpfc_oas_lun_state_show - Return the current state (enabled or disabled)
2811 * of whether luns will be enabled or disabled
2812 * for Optimized Access Storage (OAS) operations.
2813 * @dev: class device that is converted into a Scsi_host.
2814 * @attr: device attribute, not used.
2815 * @buf: buffer for passing information.
2818 * size of formatted string.
2821 lpfc_oas_lun_state_show(struct device
*dev
, struct device_attribute
*attr
,
2824 struct Scsi_Host
*shost
= class_to_shost(dev
);
2825 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2827 return scnprintf(buf
, PAGE_SIZE
, "%d\n", phba
->cfg_oas_lun_state
);
2831 * lpfc_oas_lun_state_store - Store the state (enabled or disabled)
2832 * of whether luns will be enabled or disabled
2833 * for Optimized Access Storage (OAS) operations.
2834 * @dev: class device that is converted into a Scsi_host.
2835 * @attr: device attribute, not used.
2836 * @buf: buffer for passing information.
2837 * @count: Size of the data buffer.
2840 * -EINVAL count is invalid, invalid wwpn byte invalid
2841 * -EPERM oas is not supported by hba
2842 * value of count on success
2845 lpfc_oas_lun_state_store(struct device
*dev
, struct device_attribute
*attr
,
2846 const char *buf
, size_t count
)
2848 struct Scsi_Host
*shost
= class_to_shost(dev
);
2849 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2855 if (!isdigit(buf
[0]))
2858 if (sscanf(buf
, "%i", &val
) != 1)
2861 if ((val
!= 0) && (val
!= 1))
2864 phba
->cfg_oas_lun_state
= val
;
2867 static DEVICE_ATTR(lpfc_xlane_lun_state
, S_IRUGO
| S_IWUSR
,
2868 lpfc_oas_lun_state_show
, lpfc_oas_lun_state_store
);
2871 * lpfc_oas_lun_status_show - Return the status of the Optimized Access
2872 * Storage (OAS) lun returned by the
2873 * lpfc_oas_lun_show function.
2874 * @dev: class device that is converted into a Scsi_host.
2875 * @attr: device attribute, not used.
2876 * @buf: buffer for passing information.
2879 * size of formatted string.
2882 lpfc_oas_lun_status_show(struct device
*dev
, struct device_attribute
*attr
,
2885 struct Scsi_Host
*shost
= class_to_shost(dev
);
2886 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
2888 if (!(phba
->cfg_oas_flags
& OAS_LUN_VALID
))
2891 return scnprintf(buf
, PAGE_SIZE
, "%d\n", phba
->cfg_oas_lun_status
);
2893 static DEVICE_ATTR(lpfc_xlane_lun_status
, S_IRUGO
,
2894 lpfc_oas_lun_status_show
, NULL
);
2898 * lpfc_oas_lun_state_set - enable or disable a lun for Optimized Access Storage
2900 * @phba: lpfc_hba pointer.
2901 * @ndlp: pointer to fcp target node.
2902 * @lun: the fc lun for setting oas state.
2903 * @oas_state: the oas state to be set to the lun.
2907 * -EPERM OAS is not enabled or not supported by this port.
2911 lpfc_oas_lun_state_set(struct lpfc_hba
*phba
, uint8_t vpt_wwpn
[],
2912 uint8_t tgt_wwpn
[], uint64_t lun
,
2913 uint32_t oas_state
, uint8_t pri
)
2922 if (!lpfc_enable_oas_lun(phba
, (struct lpfc_name
*)vpt_wwpn
,
2923 (struct lpfc_name
*)tgt_wwpn
,
2927 lpfc_disable_oas_lun(phba
, (struct lpfc_name
*)vpt_wwpn
,
2928 (struct lpfc_name
*)tgt_wwpn
, lun
, pri
);
2935 * lpfc_oas_lun_get_next - get the next lun that has been enabled for Optimized
2936 * Access Storage (OAS) operations.
2937 * @phba: lpfc_hba pointer.
2938 * @vpt_wwpn: wwpn of the vport associated with the returned lun
2939 * @tgt_wwpn: wwpn of the target associated with the returned lun
2940 * @lun_status: status of the lun returned lun
2942 * Returns the first or next lun enabled for OAS operations for the vport/target
2943 * specified. If a lun is found, its vport wwpn, target wwpn and status is
2944 * returned. If the lun is not found, NOT_OAS_ENABLED_LUN is returned.
2947 * lun that is OAS enabled for the vport/target
2948 * NOT_OAS_ENABLED_LUN when no oas enabled lun found.
2951 lpfc_oas_lun_get_next(struct lpfc_hba
*phba
, uint8_t vpt_wwpn
[],
2952 uint8_t tgt_wwpn
[], uint32_t *lun_status
,
2957 if (unlikely(!phba
) || !vpt_wwpn
|| !tgt_wwpn
)
2958 return NOT_OAS_ENABLED_LUN
;
2959 if (lpfc_find_next_oas_lun(phba
, (struct lpfc_name
*)
2960 phba
->sli4_hba
.oas_next_vpt_wwpn
,
2961 (struct lpfc_name
*)
2962 phba
->sli4_hba
.oas_next_tgt_wwpn
,
2963 &phba
->sli4_hba
.oas_next_lun
,
2964 (struct lpfc_name
*)vpt_wwpn
,
2965 (struct lpfc_name
*)tgt_wwpn
,
2966 &found_lun
, lun_status
, lun_pri
))
2969 return NOT_OAS_ENABLED_LUN
;
2973 * lpfc_oas_lun_state_change - enable/disable a lun for OAS operations
2974 * @phba: lpfc_hba pointer.
2975 * @vpt_wwpn: vport wwpn by reference.
2976 * @tgt_wwpn: target wwpn by reference.
2977 * @lun: the fc lun for setting oas state.
2978 * @oas_state: the oas state to be set to the oas_lun.
2980 * This routine enables (OAS_LUN_ENABLE) or disables (OAS_LUN_DISABLE)
2981 * a lun for OAS operations.
2985 * -ENOMEM: failed to enable an lun for OAS operations
2986 * -EPERM: OAS is not enabled
2989 lpfc_oas_lun_state_change(struct lpfc_hba
*phba
, uint8_t vpt_wwpn
[],
2990 uint8_t tgt_wwpn
[], uint64_t lun
,
2991 uint32_t oas_state
, uint8_t pri
)
2996 rc
= lpfc_oas_lun_state_set(phba
, vpt_wwpn
, tgt_wwpn
, lun
,
3002 * lpfc_oas_lun_show - Return oas enabled luns from a chosen target
3003 * @dev: class device that is converted into a Scsi_host.
3004 * @attr: device attribute, not used.
3005 * @buf: buffer for passing information.
3007 * This routine returns a lun enabled for OAS each time the function
3011 * SUCCESS: size of formatted string.
3012 * -EFAULT: target or vport wwpn was not set properly.
3013 * -EPERM: oas is not enabled.
3016 lpfc_oas_lun_show(struct device
*dev
, struct device_attribute
*attr
,
3019 struct Scsi_Host
*shost
= class_to_shost(dev
);
3020 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3028 if (wwn_to_u64(phba
->cfg_oas_vpt_wwpn
) == 0)
3029 if (!(phba
->cfg_oas_flags
& OAS_FIND_ANY_VPORT
))
3032 if (wwn_to_u64(phba
->cfg_oas_tgt_wwpn
) == 0)
3033 if (!(phba
->cfg_oas_flags
& OAS_FIND_ANY_TARGET
))
3036 oas_lun
= lpfc_oas_lun_get_next(phba
, phba
->cfg_oas_vpt_wwpn
,
3037 phba
->cfg_oas_tgt_wwpn
,
3038 &phba
->cfg_oas_lun_status
,
3039 &phba
->cfg_oas_priority
);
3040 if (oas_lun
!= NOT_OAS_ENABLED_LUN
)
3041 phba
->cfg_oas_flags
|= OAS_LUN_VALID
;
3043 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
, "0x%llx", oas_lun
);
3049 * lpfc_oas_lun_store - Sets the OAS state for lun
3050 * @dev: class device that is converted into a Scsi_host.
3051 * @attr: device attribute, not used.
3052 * @buf: buffer for passing information.
3054 * This function sets the OAS state for lun. Before this function is called,
3055 * the vport wwpn, target wwpn, and oas state need to be set.
3058 * SUCCESS: size of formatted string.
3059 * -EFAULT: target or vport wwpn was not set properly.
3060 * -EPERM: oas is not enabled.
3061 * size of formatted string.
3064 lpfc_oas_lun_store(struct device
*dev
, struct device_attribute
*attr
,
3065 const char *buf
, size_t count
)
3067 struct Scsi_Host
*shost
= class_to_shost(dev
);
3068 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
3076 if (wwn_to_u64(phba
->cfg_oas_vpt_wwpn
) == 0)
3079 if (wwn_to_u64(phba
->cfg_oas_tgt_wwpn
) == 0)
3082 if (!isdigit(buf
[0]))
3085 if (sscanf(buf
, "0x%llx", &scsi_lun
) != 1)
3088 pri
= phba
->cfg_oas_priority
;
3090 pri
= phba
->cfg_XLanePriority
;
3092 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3093 "3372 Try to set vport 0x%llx target 0x%llx lun:0x%llx "
3094 "priority 0x%x with oas state %d\n",
3095 wwn_to_u64(phba
->cfg_oas_vpt_wwpn
),
3096 wwn_to_u64(phba
->cfg_oas_tgt_wwpn
), scsi_lun
,
3097 pri
, phba
->cfg_oas_lun_state
);
3099 rc
= lpfc_oas_lun_state_change(phba
, phba
->cfg_oas_vpt_wwpn
,
3100 phba
->cfg_oas_tgt_wwpn
, scsi_lun
,
3101 phba
->cfg_oas_lun_state
, pri
);
3107 static DEVICE_ATTR(lpfc_xlane_lun
, S_IRUGO
| S_IWUSR
,
3108 lpfc_oas_lun_show
, lpfc_oas_lun_store
);
3110 int lpfc_enable_nvmet_cnt
;
3111 unsigned long long lpfc_enable_nvmet
[LPFC_NVMET_MAX_PORTS
] = {
3112 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
3113 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
3114 module_param_array(lpfc_enable_nvmet
, ullong
, &lpfc_enable_nvmet_cnt
, 0444);
3115 MODULE_PARM_DESC(lpfc_enable_nvmet
, "Enable HBA port(s) WWPN as a NVME Target");
3117 static int lpfc_poll
= 0;
3118 module_param(lpfc_poll
, int, S_IRUGO
);
3119 MODULE_PARM_DESC(lpfc_poll
, "FCP ring polling mode control:"
3121 " 1 - poll with interrupts enabled"
3122 " 3 - poll and disable FCP ring interrupts");
3124 static DEVICE_ATTR_RW(lpfc_poll
);
3126 int lpfc_no_hba_reset_cnt
;
3127 unsigned long lpfc_no_hba_reset
[MAX_HBAS_NO_RESET
] = {
3128 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
3129 module_param_array(lpfc_no_hba_reset
, ulong
, &lpfc_no_hba_reset_cnt
, 0444);
3130 MODULE_PARM_DESC(lpfc_no_hba_reset
, "WWPN of HBAs that should not be reset");
3132 LPFC_ATTR(sli_mode
, 0, 0, 3,
3133 "SLI mode selector:"
3134 " 0 - auto (SLI-3 if supported),"
3135 " 2 - select SLI-2 even on SLI-3 capable HBAs,"
3136 " 3 - select SLI-3");
3138 LPFC_ATTR_R(enable_npiv
, 1, 0, 1,
3139 "Enable NPIV functionality");
3141 LPFC_ATTR_R(fcf_failover_policy
, 1, 1, 2,
3142 "FCF Fast failover=1 Priority failover=2");
3145 # lpfc_enable_rrq: Track XRI/OXID reuse after IO failures
3146 # 0x0 = disabled, XRI/OXID use not tracked.
3147 # 0x1 = XRI/OXID reuse is timed with ratov, RRQ sent.
3148 # 0x2 = XRI/OXID reuse is timed with ratov, No RRQ sent.
3150 LPFC_ATTR_R(enable_rrq
, 2, 0, 2,
3151 "Enable RRQ functionality");
3154 # lpfc_suppress_link_up: Bring link up at initialization
3155 # 0x0 = bring link up (issue MBX_INIT_LINK)
3156 # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK)
3157 # 0x2 = never bring up link
3158 # Default value is 0.
3160 LPFC_ATTR_R(suppress_link_up
, LPFC_INITIALIZE_LINK
, LPFC_INITIALIZE_LINK
,
3161 LPFC_DELAY_INIT_LINK_INDEFINITELY
,
3162 "Suppress Link Up at initialization");
3164 # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS
3172 lpfc_iocb_hw_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
3174 struct Scsi_Host
*shost
= class_to_shost(dev
);
3175 struct lpfc_hba
*phba
= ((struct lpfc_vport
*) shost
->hostdata
)->phba
;
3177 return scnprintf(buf
, PAGE_SIZE
, "%d\n", phba
->iocb_max
);
3180 static DEVICE_ATTR(iocb_hw
, S_IRUGO
,
3181 lpfc_iocb_hw_show
, NULL
);
3183 lpfc_txq_hw_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
3185 struct Scsi_Host
*shost
= class_to_shost(dev
);
3186 struct lpfc_hba
*phba
= ((struct lpfc_vport
*) shost
->hostdata
)->phba
;
3187 struct lpfc_sli_ring
*pring
= lpfc_phba_elsring(phba
);
3189 return scnprintf(buf
, PAGE_SIZE
, "%d\n",
3190 pring
? pring
->txq_max
: 0);
3193 static DEVICE_ATTR(txq_hw
, S_IRUGO
,
3194 lpfc_txq_hw_show
, NULL
);
3196 lpfc_txcmplq_hw_show(struct device
*dev
, struct device_attribute
*attr
,
3199 struct Scsi_Host
*shost
= class_to_shost(dev
);
3200 struct lpfc_hba
*phba
= ((struct lpfc_vport
*) shost
->hostdata
)->phba
;
3201 struct lpfc_sli_ring
*pring
= lpfc_phba_elsring(phba
);
3203 return scnprintf(buf
, PAGE_SIZE
, "%d\n",
3204 pring
? pring
->txcmplq_max
: 0);
3207 static DEVICE_ATTR(txcmplq_hw
, S_IRUGO
,
3208 lpfc_txcmplq_hw_show
, NULL
);
3210 LPFC_ATTR_R(iocb_cnt
, 2, 1, 5,
3211 "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs");
3214 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
3215 # until the timer expires. Value range is [0,255]. Default value is 30.
3217 static int lpfc_nodev_tmo
= LPFC_DEF_DEVLOSS_TMO
;
3218 static int lpfc_devloss_tmo
= LPFC_DEF_DEVLOSS_TMO
;
3219 module_param(lpfc_nodev_tmo
, int, 0);
3220 MODULE_PARM_DESC(lpfc_nodev_tmo
,
3221 "Seconds driver will hold I/O waiting "
3222 "for a device to come back");
3225 * lpfc_nodev_tmo_show - Return the hba dev loss timeout value
3226 * @dev: class converted to a Scsi_host structure.
3227 * @attr: device attribute, not used.
3228 * @buf: on return contains the dev loss timeout in decimal.
3230 * Returns: size of formatted string.
3233 lpfc_nodev_tmo_show(struct device
*dev
, struct device_attribute
*attr
,
3236 struct Scsi_Host
*shost
= class_to_shost(dev
);
3237 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3239 return scnprintf(buf
, PAGE_SIZE
, "%d\n", vport
->cfg_devloss_tmo
);
3243 * lpfc_nodev_tmo_init - Set the hba nodev timeout value
3244 * @vport: lpfc vport structure pointer.
3245 * @val: contains the nodev timeout value.
3248 * If the devloss tmo is already set then nodev tmo is set to devloss tmo,
3249 * a kernel error message is printed and zero is returned.
3250 * Else if val is in range then nodev tmo and devloss tmo are set to val.
3251 * Otherwise nodev tmo is set to the default value.
3254 * zero if already set or if val is in range
3255 * -EINVAL val out of range
3258 lpfc_nodev_tmo_init(struct lpfc_vport
*vport
, int val
)
3260 if (vport
->cfg_devloss_tmo
!= LPFC_DEF_DEVLOSS_TMO
) {
3261 vport
->cfg_nodev_tmo
= vport
->cfg_devloss_tmo
;
3262 if (val
!= LPFC_DEF_DEVLOSS_TMO
)
3263 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3264 "0407 Ignoring lpfc_nodev_tmo module "
3265 "parameter because lpfc_devloss_tmo "
3270 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
3271 vport
->cfg_nodev_tmo
= val
;
3272 vport
->cfg_devloss_tmo
= val
;
3275 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3276 "0400 lpfc_nodev_tmo attribute cannot be set to"
3277 " %d, allowed range is [%d, %d]\n",
3278 val
, LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
);
3279 vport
->cfg_nodev_tmo
= LPFC_DEF_DEVLOSS_TMO
;
3284 * lpfc_update_rport_devloss_tmo - Update dev loss tmo value
3285 * @vport: lpfc vport structure pointer.
3288 * Update all the ndlp's dev loss tmo with the vport devloss tmo value.
3291 lpfc_update_rport_devloss_tmo(struct lpfc_vport
*vport
)
3293 struct Scsi_Host
*shost
;
3294 struct lpfc_nodelist
*ndlp
;
3296 shost
= lpfc_shost_from_vport(vport
);
3297 spin_lock_irq(shost
->host_lock
);
3298 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
3299 if (!NLP_CHK_NODE_ACT(ndlp
))
3302 ndlp
->rport
->dev_loss_tmo
= vport
->cfg_devloss_tmo
;
3303 #if (IS_ENABLED(CONFIG_NVME_FC))
3305 nvme_fc_set_remoteport_devloss(ndlp
->nrport
->remoteport
,
3306 vport
->cfg_devloss_tmo
);
3309 spin_unlock_irq(shost
->host_lock
);
3313 * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values
3314 * @vport: lpfc vport structure pointer.
3315 * @val: contains the tmo value.
3318 * If the devloss tmo is already set or the vport dev loss tmo has changed
3319 * then a kernel error message is printed and zero is returned.
3320 * Else if val is in range then nodev tmo and devloss tmo are set to val.
3321 * Otherwise nodev tmo is set to the default value.
3324 * zero if already set or if val is in range
3325 * -EINVAL val out of range
3328 lpfc_nodev_tmo_set(struct lpfc_vport
*vport
, int val
)
3330 if (vport
->dev_loss_tmo_changed
||
3331 (lpfc_devloss_tmo
!= LPFC_DEF_DEVLOSS_TMO
)) {
3332 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3333 "0401 Ignoring change to lpfc_nodev_tmo "
3334 "because lpfc_devloss_tmo is set.\n");
3337 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
3338 vport
->cfg_nodev_tmo
= val
;
3339 vport
->cfg_devloss_tmo
= val
;
3341 * For compat: set the fc_host dev loss so new rports
3342 * will get the value.
3344 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport
)) = val
;
3345 lpfc_update_rport_devloss_tmo(vport
);
3348 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3349 "0403 lpfc_nodev_tmo attribute cannot be set to "
3350 "%d, allowed range is [%d, %d]\n",
3351 val
, LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
);
3355 lpfc_vport_param_store(nodev_tmo
)
3357 static DEVICE_ATTR_RW(lpfc_nodev_tmo
);
3360 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
3361 # disappear until the timer expires. Value range is [0,255]. Default
3364 module_param(lpfc_devloss_tmo
, int, S_IRUGO
);
3365 MODULE_PARM_DESC(lpfc_devloss_tmo
,
3366 "Seconds driver will hold I/O waiting "
3367 "for a device to come back");
3368 lpfc_vport_param_init(devloss_tmo
, LPFC_DEF_DEVLOSS_TMO
,
3369 LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
)
3370 lpfc_vport_param_show(devloss_tmo
)
3373 * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit
3374 * @vport: lpfc vport structure pointer.
3375 * @val: contains the tmo value.
3378 * If val is in a valid range then set the vport nodev tmo,
3379 * devloss tmo, also set the vport dev loss tmo changed flag.
3380 * Else a kernel error message is printed.
3383 * zero if val is in range
3384 * -EINVAL val out of range
3387 lpfc_devloss_tmo_set(struct lpfc_vport
*vport
, int val
)
3389 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
3390 vport
->cfg_nodev_tmo
= val
;
3391 vport
->cfg_devloss_tmo
= val
;
3392 vport
->dev_loss_tmo_changed
= 1;
3393 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport
)) = val
;
3394 lpfc_update_rport_devloss_tmo(vport
);
3398 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3399 "0404 lpfc_devloss_tmo attribute cannot be set to "
3400 "%d, allowed range is [%d, %d]\n",
3401 val
, LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
);
3405 lpfc_vport_param_store(devloss_tmo
)
3406 static DEVICE_ATTR_RW(lpfc_devloss_tmo
);
3409 * lpfc_suppress_rsp: Enable suppress rsp feature is firmware supports it
3410 * lpfc_suppress_rsp = 0 Disable
3411 * lpfc_suppress_rsp = 1 Enable (default)
3414 LPFC_ATTR_R(suppress_rsp
, 1, 0, 1,
3415 "Enable suppress rsp feature is firmware supports it");
3418 * lpfc_nvmet_mrq: Specify number of RQ pairs for processing NVMET cmds
3419 * lpfc_nvmet_mrq = 0 driver will calcualte optimal number of RQ pairs
3420 * lpfc_nvmet_mrq = 1 use a single RQ pair
3421 * lpfc_nvmet_mrq >= 2 use specified RQ pairs for MRQ
3424 LPFC_ATTR_R(nvmet_mrq
,
3425 LPFC_NVMET_MRQ_AUTO
, LPFC_NVMET_MRQ_AUTO
, LPFC_NVMET_MRQ_MAX
,
3426 "Specify number of RQ pairs for processing NVMET cmds");
3429 * lpfc_enable_fc4_type: Defines what FC4 types are supported.
3430 * Supported Values: 1 - register just FCP
3431 * 3 - register both FCP and NVME
3432 * Supported values are [1,3]. Default value is 1
3434 LPFC_ATTR_R(enable_fc4_type
, LPFC_ENABLE_FCP
,
3435 LPFC_ENABLE_FCP
, LPFC_ENABLE_BOTH
,
3436 "Enable FC4 Protocol support - FCP / NVME");
3439 * lpfc_xri_split: Defines the division of XRI resources between SCSI and NVME
3440 * This parameter is only used if:
3441 * lpfc_enable_fc4_type is 3 - register both FCP and NVME and
3442 * port is not configured for NVMET.
3444 * ELS/CT always get 10% of XRIs, up to a maximum of 250
3445 * The remaining XRIs get split up based on lpfc_xri_split per port:
3447 * Supported Values are in percentages
3448 * the xri_split value is the percentage the SCSI port will get. The remaining
3449 * percentage will go to NVME.
3451 LPFC_ATTR_R(xri_split
, 50, 10, 90,
3452 "Percentage of FCP XRI resources versus NVME");
3455 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
3456 # deluged with LOTS of information.
3457 # You can set a bit mask to record specific types of verbose messages:
3458 # See lpfc_logmsh.h for definitions.
3460 LPFC_VPORT_ATTR_HEX_RW(log_verbose
, 0x0, 0x0, 0xffffffff,
3461 "Verbose logging bit-mask");
3464 # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters
3465 # objects that have been registered with the nameserver after login.
3467 LPFC_VPORT_ATTR_R(enable_da_id
, 1, 0, 1,
3468 "Deregister nameserver objects before LOGO");
3471 # lun_queue_depth: This parameter is used to limit the number of outstanding
3472 # commands per FCP LUN. Value range is [1,512]. Default value is 30.
3473 # If this parameter value is greater than 1/8th the maximum number of exchanges
3474 # supported by the HBA port, then the lun queue depth will be reduced to
3475 # 1/8th the maximum number of exchanges.
3477 LPFC_VPORT_ATTR_R(lun_queue_depth
, 30, 1, 512,
3478 "Max number of FCP commands we can queue to a specific LUN");
3481 # tgt_queue_depth: This parameter is used to limit the number of outstanding
3482 # commands per target port. Value range is [10,65535]. Default value is 65535.
3484 LPFC_VPORT_ATTR_RW(tgt_queue_depth
, 65535, 10, 65535,
3485 "Max number of FCP commands we can queue to a specific target port");
3488 # hba_queue_depth: This parameter is used to limit the number of outstanding
3489 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
3490 # value is greater than the maximum number of exchanges supported by the HBA,
3491 # then maximum number of exchanges supported by the HBA is used to determine
3492 # the hba_queue_depth.
3494 LPFC_ATTR_R(hba_queue_depth
, 8192, 32, 8192,
3495 "Max number of FCP commands we can queue to a lpfc HBA");
3498 # peer_port_login: This parameter allows/prevents logins
3499 # between peer ports hosted on the same physical port.
3500 # When this parameter is set 0 peer ports of same physical port
3501 # are not allowed to login to each other.
3502 # When this parameter is set 1 peer ports of same physical port
3503 # are allowed to login to each other.
3504 # Default value of this parameter is 0.
3506 LPFC_VPORT_ATTR_R(peer_port_login
, 0, 0, 1,
3507 "Allow peer ports on the same physical port to login to each "
3511 # restrict_login: This parameter allows/prevents logins
3512 # between Virtual Ports and remote initiators.
3513 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
3514 # other initiators and will attempt to PLOGI all remote ports.
3515 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
3516 # remote ports and will not attempt to PLOGI to other initiators.
3517 # This parameter does not restrict to the physical port.
3518 # This parameter does not restrict logins to Fabric resident remote ports.
3519 # Default value of this parameter is 1.
3521 static int lpfc_restrict_login
= 1;
3522 module_param(lpfc_restrict_login
, int, S_IRUGO
);
3523 MODULE_PARM_DESC(lpfc_restrict_login
,
3524 "Restrict virtual ports login to remote initiators.");
3525 lpfc_vport_param_show(restrict_login
);
3528 * lpfc_restrict_login_init - Set the vport restrict login flag
3529 * @vport: lpfc vport structure pointer.
3530 * @val: contains the restrict login value.
3533 * If val is not in a valid range then log a kernel error message and set
3534 * the vport restrict login to one.
3535 * If the port type is physical clear the restrict login flag and return.
3536 * Else set the restrict login flag to val.
3539 * zero if val is in range
3540 * -EINVAL val out of range
3543 lpfc_restrict_login_init(struct lpfc_vport
*vport
, int val
)
3545 if (val
< 0 || val
> 1) {
3546 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3547 "0422 lpfc_restrict_login attribute cannot "
3548 "be set to %d, allowed range is [0, 1]\n",
3550 vport
->cfg_restrict_login
= 1;
3553 if (vport
->port_type
== LPFC_PHYSICAL_PORT
) {
3554 vport
->cfg_restrict_login
= 0;
3557 vport
->cfg_restrict_login
= val
;
3562 * lpfc_restrict_login_set - Set the vport restrict login flag
3563 * @vport: lpfc vport structure pointer.
3564 * @val: contains the restrict login value.
3567 * If val is not in a valid range then log a kernel error message and set
3568 * the vport restrict login to one.
3569 * If the port type is physical and the val is not zero log a kernel
3570 * error message, clear the restrict login flag and return zero.
3571 * Else set the restrict login flag to val.
3574 * zero if val is in range
3575 * -EINVAL val out of range
3578 lpfc_restrict_login_set(struct lpfc_vport
*vport
, int val
)
3580 if (val
< 0 || val
> 1) {
3581 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3582 "0425 lpfc_restrict_login attribute cannot "
3583 "be set to %d, allowed range is [0, 1]\n",
3585 vport
->cfg_restrict_login
= 1;
3588 if (vport
->port_type
== LPFC_PHYSICAL_PORT
&& val
!= 0) {
3589 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3590 "0468 lpfc_restrict_login must be 0 for "
3591 "Physical ports.\n");
3592 vport
->cfg_restrict_login
= 0;
3595 vport
->cfg_restrict_login
= val
;
3598 lpfc_vport_param_store(restrict_login
);
3599 static DEVICE_ATTR_RW(lpfc_restrict_login
);
3602 # Some disk devices have a "select ID" or "select Target" capability.
3603 # From a protocol standpoint "select ID" usually means select the
3604 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
3605 # annex" which contains a table that maps a "select ID" (a number
3606 # between 0 and 7F) to an ALPA. By default, for compatibility with
3607 # older drivers, the lpfc driver scans this table from low ALPA to high
3610 # Turning on the scan-down variable (on = 1, off = 0) will
3611 # cause the lpfc driver to use an inverted table, effectively
3612 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
3614 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
3615 # and will not work across a fabric. Also this parameter will take
3616 # effect only in the case when ALPA map is not available.)
3618 LPFC_VPORT_ATTR_R(scan_down
, 1, 0, 1,
3619 "Start scanning for devices from highest ALPA to lowest");
3622 # lpfc_topology: link topology for init link
3623 # 0x0 = attempt loop mode then point-to-point
3624 # 0x01 = internal loopback mode
3625 # 0x02 = attempt point-to-point mode only
3626 # 0x04 = attempt loop mode only
3627 # 0x06 = attempt point-to-point mode then loop
3628 # Set point-to-point mode if you want to run as an N_Port.
3629 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
3630 # Default value is 0.
3632 LPFC_ATTR(topology
, 0, 0, 6,
3633 "Select Fibre Channel topology");
3636 * lpfc_topology_set - Set the adapters topology field
3637 * @phba: lpfc_hba pointer.
3638 * @val: topology value.
3641 * If val is in a valid range then set the adapter's topology field and
3642 * issue a lip; if the lip fails reset the topology to the old value.
3644 * If the value is not in range log a kernel error message and return an error.
3647 * zero if val is in range and lip okay
3648 * non-zero return value from lpfc_issue_lip()
3649 * -EINVAL val out of range
3652 lpfc_topology_store(struct device
*dev
, struct device_attribute
*attr
,
3653 const char *buf
, size_t count
)
3655 struct Scsi_Host
*shost
= class_to_shost(dev
);
3656 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3657 struct lpfc_hba
*phba
= vport
->phba
;
3660 const char *val_buf
= buf
;
3664 if (!strncmp(buf
, "nolip ", strlen("nolip "))) {
3666 val_buf
= &buf
[strlen("nolip ")];
3669 if (!isdigit(val_buf
[0]))
3671 if (sscanf(val_buf
, "%i", &val
) != 1)
3674 if (val
>= 0 && val
<= 6) {
3675 prev_val
= phba
->cfg_topology
;
3676 if (phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_16G
&&
3678 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3679 "3113 Loop mode not supported at speed %d\n",
3683 if (phba
->pcidev
->device
== PCI_DEVICE_ID_LANCER_G6_FC
&&
3685 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3686 "3114 Loop mode not supported\n");
3689 phba
->cfg_topology
= val
;
3693 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
3694 "3054 lpfc_topology changed from %d to %d\n",
3696 if (prev_val
!= val
&& phba
->sli_rev
== LPFC_SLI_REV4
)
3697 phba
->fc_topology_changed
= 1;
3698 err
= lpfc_issue_lip(lpfc_shost_from_vport(phba
->pport
));
3700 phba
->cfg_topology
= prev_val
;
3705 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3706 "%d:0467 lpfc_topology attribute cannot be set to %d, "
3707 "allowed range is [0, 6]\n",
3712 lpfc_param_show(topology
)
3713 static DEVICE_ATTR_RW(lpfc_topology
);
3716 * lpfc_static_vport_show: Read callback function for
3717 * lpfc_static_vport sysfs file.
3718 * @dev: Pointer to class device object.
3719 * @attr: device attribute structure.
3720 * @buf: Data buffer.
3722 * This function is the read call back function for
3723 * lpfc_static_vport sysfs file. The lpfc_static_vport
3724 * sysfs file report the mageability of the vport.
3727 lpfc_static_vport_show(struct device
*dev
, struct device_attribute
*attr
,
3730 struct Scsi_Host
*shost
= class_to_shost(dev
);
3731 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3732 if (vport
->vport_flag
& STATIC_VPORT
)
3733 sprintf(buf
, "1\n");
3735 sprintf(buf
, "0\n");
3741 * Sysfs attribute to control the statistical data collection.
3743 static DEVICE_ATTR_RO(lpfc_static_vport
);
3746 * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file
3747 * @dev: Pointer to class device.
3748 * @buf: Data buffer.
3749 * @count: Size of the data buffer.
3751 * This function get called when a user write to the lpfc_stat_data_ctrl
3752 * sysfs file. This function parse the command written to the sysfs file
3753 * and take appropriate action. These commands are used for controlling
3754 * driver statistical data collection.
3755 * Following are the command this function handles.
3757 * setbucket <bucket_type> <base> <step>
3758 * = Set the latency buckets.
3759 * destroybucket = destroy all the buckets.
3760 * start = start data collection
3761 * stop = stop data collection
3762 * reset = reset the collected data
3765 lpfc_stat_data_ctrl_store(struct device
*dev
, struct device_attribute
*attr
,
3766 const char *buf
, size_t count
)
3768 struct Scsi_Host
*shost
= class_to_shost(dev
);
3769 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3770 struct lpfc_hba
*phba
= vport
->phba
;
3771 #define LPFC_MAX_DATA_CTRL_LEN 1024
3772 static char bucket_data
[LPFC_MAX_DATA_CTRL_LEN
];
3774 char *str_ptr
, *token
;
3775 struct lpfc_vport
**vports
;
3776 struct Scsi_Host
*v_shost
;
3777 char *bucket_type_str
, *base_str
, *step_str
;
3778 unsigned long base
, step
, bucket_type
;
3780 if (!strncmp(buf
, "setbucket", strlen("setbucket"))) {
3781 if (strlen(buf
) > (LPFC_MAX_DATA_CTRL_LEN
- 1))
3784 strncpy(bucket_data
, buf
, LPFC_MAX_DATA_CTRL_LEN
);
3785 str_ptr
= &bucket_data
[0];
3786 /* Ignore this token - this is command token */
3787 token
= strsep(&str_ptr
, "\t ");
3791 bucket_type_str
= strsep(&str_ptr
, "\t ");
3792 if (!bucket_type_str
)
3795 if (!strncmp(bucket_type_str
, "linear", strlen("linear")))
3796 bucket_type
= LPFC_LINEAR_BUCKET
;
3797 else if (!strncmp(bucket_type_str
, "power2", strlen("power2")))
3798 bucket_type
= LPFC_POWER2_BUCKET
;
3802 base_str
= strsep(&str_ptr
, "\t ");
3805 base
= simple_strtoul(base_str
, NULL
, 0);
3807 step_str
= strsep(&str_ptr
, "\t ");
3810 step
= simple_strtoul(step_str
, NULL
, 0);
3814 /* Block the data collection for every vport */
3815 vports
= lpfc_create_vport_work_array(phba
);
3819 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
3820 v_shost
= lpfc_shost_from_vport(vports
[i
]);
3821 spin_lock_irq(v_shost
->host_lock
);
3822 /* Block and reset data collection */
3823 vports
[i
]->stat_data_blocked
= 1;
3824 if (vports
[i
]->stat_data_enabled
)
3825 lpfc_vport_reset_stat_data(vports
[i
]);
3826 spin_unlock_irq(v_shost
->host_lock
);
3829 /* Set the bucket attributes */
3830 phba
->bucket_type
= bucket_type
;
3831 phba
->bucket_base
= base
;
3832 phba
->bucket_step
= step
;
3834 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
3835 v_shost
= lpfc_shost_from_vport(vports
[i
]);
3837 /* Unblock data collection */
3838 spin_lock_irq(v_shost
->host_lock
);
3839 vports
[i
]->stat_data_blocked
= 0;
3840 spin_unlock_irq(v_shost
->host_lock
);
3842 lpfc_destroy_vport_work_array(phba
, vports
);
3846 if (!strncmp(buf
, "destroybucket", strlen("destroybucket"))) {
3847 vports
= lpfc_create_vport_work_array(phba
);
3851 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
3852 v_shost
= lpfc_shost_from_vport(vports
[i
]);
3853 spin_lock_irq(shost
->host_lock
);
3854 vports
[i
]->stat_data_blocked
= 1;
3855 lpfc_free_bucket(vport
);
3856 vport
->stat_data_enabled
= 0;
3857 vports
[i
]->stat_data_blocked
= 0;
3858 spin_unlock_irq(shost
->host_lock
);
3860 lpfc_destroy_vport_work_array(phba
, vports
);
3861 phba
->bucket_type
= LPFC_NO_BUCKET
;
3862 phba
->bucket_base
= 0;
3863 phba
->bucket_step
= 0;
3867 if (!strncmp(buf
, "start", strlen("start"))) {
3868 /* If no buckets configured return error */
3869 if (phba
->bucket_type
== LPFC_NO_BUCKET
)
3871 spin_lock_irq(shost
->host_lock
);
3872 if (vport
->stat_data_enabled
) {
3873 spin_unlock_irq(shost
->host_lock
);
3876 lpfc_alloc_bucket(vport
);
3877 vport
->stat_data_enabled
= 1;
3878 spin_unlock_irq(shost
->host_lock
);
3882 if (!strncmp(buf
, "stop", strlen("stop"))) {
3883 spin_lock_irq(shost
->host_lock
);
3884 if (vport
->stat_data_enabled
== 0) {
3885 spin_unlock_irq(shost
->host_lock
);
3888 lpfc_free_bucket(vport
);
3889 vport
->stat_data_enabled
= 0;
3890 spin_unlock_irq(shost
->host_lock
);
3894 if (!strncmp(buf
, "reset", strlen("reset"))) {
3895 if ((phba
->bucket_type
== LPFC_NO_BUCKET
)
3896 || !vport
->stat_data_enabled
)
3898 spin_lock_irq(shost
->host_lock
);
3899 vport
->stat_data_blocked
= 1;
3900 lpfc_vport_reset_stat_data(vport
);
3901 vport
->stat_data_blocked
= 0;
3902 spin_unlock_irq(shost
->host_lock
);
3910 * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file
3911 * @dev: Pointer to class device object.
3912 * @buf: Data buffer.
3914 * This function is the read call back function for
3915 * lpfc_stat_data_ctrl sysfs file. This function report the
3916 * current statistical data collection state.
3919 lpfc_stat_data_ctrl_show(struct device
*dev
, struct device_attribute
*attr
,
3922 struct Scsi_Host
*shost
= class_to_shost(dev
);
3923 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3924 struct lpfc_hba
*phba
= vport
->phba
;
3928 unsigned long bucket_value
;
3930 switch (phba
->bucket_type
) {
3931 case LPFC_LINEAR_BUCKET
:
3932 bucket_type
= "linear";
3934 case LPFC_POWER2_BUCKET
:
3935 bucket_type
= "power2";
3938 bucket_type
= "No Bucket";
3942 sprintf(&buf
[index
], "Statistical Data enabled :%d, "
3943 "blocked :%d, Bucket type :%s, Bucket base :%d,"
3944 " Bucket step :%d\nLatency Ranges :",
3945 vport
->stat_data_enabled
, vport
->stat_data_blocked
,
3946 bucket_type
, phba
->bucket_base
, phba
->bucket_step
);
3947 index
= strlen(buf
);
3948 if (phba
->bucket_type
!= LPFC_NO_BUCKET
) {
3949 for (i
= 0; i
< LPFC_MAX_BUCKET_COUNT
; i
++) {
3950 if (phba
->bucket_type
== LPFC_LINEAR_BUCKET
)
3951 bucket_value
= phba
->bucket_base
+
3952 phba
->bucket_step
* i
;
3954 bucket_value
= phba
->bucket_base
+
3955 (1 << i
) * phba
->bucket_step
;
3957 if (index
+ 10 > PAGE_SIZE
)
3959 sprintf(&buf
[index
], "%08ld ", bucket_value
);
3960 index
= strlen(buf
);
3963 sprintf(&buf
[index
], "\n");
3968 * Sysfs attribute to control the statistical data collection.
3970 static DEVICE_ATTR_RW(lpfc_stat_data_ctrl
);
3973 * lpfc_drvr_stat_data: sysfs attr to get driver statistical data.
3977 * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN
3980 #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18)
3981 #define MAX_STAT_DATA_SIZE_PER_TARGET \
3982 STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT)
3986 * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute
3988 * @kobj: Pointer to the kernel object
3989 * @bin_attr: Attribute object
3990 * @buff: Buffer pointer
3992 * @count: Buffer size
3994 * This function is the read call back function for lpfc_drvr_stat_data
3995 * sysfs file. This function export the statistical data to user
3999 sysfs_drvr_stat_data_read(struct file
*filp
, struct kobject
*kobj
,
4000 struct bin_attribute
*bin_attr
,
4001 char *buf
, loff_t off
, size_t count
)
4003 struct device
*dev
= container_of(kobj
, struct device
,
4005 struct Scsi_Host
*shost
= class_to_shost(dev
);
4006 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4007 struct lpfc_hba
*phba
= vport
->phba
;
4008 int i
= 0, index
= 0;
4009 unsigned long nport_index
;
4010 struct lpfc_nodelist
*ndlp
= NULL
;
4011 nport_index
= (unsigned long)off
/
4012 MAX_STAT_DATA_SIZE_PER_TARGET
;
4014 if (!vport
->stat_data_enabled
|| vport
->stat_data_blocked
4015 || (phba
->bucket_type
== LPFC_NO_BUCKET
))
4018 spin_lock_irq(shost
->host_lock
);
4019 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
4020 if (!NLP_CHK_NODE_ACT(ndlp
) || !ndlp
->lat_data
)
4023 if (nport_index
> 0) {
4028 if ((index
+ MAX_STAT_DATA_SIZE_PER_TARGET
)
4032 if (!ndlp
->lat_data
)
4036 sprintf(&buf
[index
], "%02x%02x%02x%02x%02x%02x%02x%02x:",
4037 ndlp
->nlp_portname
.u
.wwn
[0],
4038 ndlp
->nlp_portname
.u
.wwn
[1],
4039 ndlp
->nlp_portname
.u
.wwn
[2],
4040 ndlp
->nlp_portname
.u
.wwn
[3],
4041 ndlp
->nlp_portname
.u
.wwn
[4],
4042 ndlp
->nlp_portname
.u
.wwn
[5],
4043 ndlp
->nlp_portname
.u
.wwn
[6],
4044 ndlp
->nlp_portname
.u
.wwn
[7]);
4046 index
= strlen(buf
);
4048 for (i
= 0; i
< LPFC_MAX_BUCKET_COUNT
; i
++) {
4049 sprintf(&buf
[index
], "%010u,",
4050 ndlp
->lat_data
[i
].cmd_count
);
4051 index
= strlen(buf
);
4053 sprintf(&buf
[index
], "\n");
4054 index
= strlen(buf
);
4056 spin_unlock_irq(shost
->host_lock
);
4060 static struct bin_attribute sysfs_drvr_stat_data_attr
= {
4062 .name
= "lpfc_drvr_stat_data",
4065 .size
= LPFC_MAX_TARGET
* MAX_STAT_DATA_SIZE_PER_TARGET
,
4066 .read
= sysfs_drvr_stat_data_read
,
4071 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
4073 # Value range is [0,16]. Default value is 0.
4076 * lpfc_link_speed_set - Set the adapters link speed
4077 * @phba: lpfc_hba pointer.
4078 * @val: link speed value.
4081 * If val is in a valid range then set the adapter's link speed field and
4082 * issue a lip; if the lip fails reset the link speed to the old value.
4085 * If the value is not in range log a kernel error message and return an error.
4088 * zero if val is in range and lip okay.
4089 * non-zero return value from lpfc_issue_lip()
4090 * -EINVAL val out of range
4093 lpfc_link_speed_store(struct device
*dev
, struct device_attribute
*attr
,
4094 const char *buf
, size_t count
)
4096 struct Scsi_Host
*shost
= class_to_shost(dev
);
4097 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4098 struct lpfc_hba
*phba
= vport
->phba
;
4099 int val
= LPFC_USER_LINK_SPEED_AUTO
;
4101 const char *val_buf
= buf
;
4103 uint32_t prev_val
, if_type
;
4105 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
4106 if (if_type
>= LPFC_SLI_INTF_IF_TYPE_2
&&
4107 phba
->hba_flag
& HBA_FORCED_LINK_SPEED
)
4110 if (!strncmp(buf
, "nolip ", strlen("nolip "))) {
4112 val_buf
= &buf
[strlen("nolip ")];
4115 if (!isdigit(val_buf
[0]))
4117 if (sscanf(val_buf
, "%i", &val
) != 1)
4120 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
4121 "3055 lpfc_link_speed changed from %d to %d %s\n",
4122 phba
->cfg_link_speed
, val
, nolip
? "(nolip)" : "(lip)");
4124 if (((val
== LPFC_USER_LINK_SPEED_1G
) && !(phba
->lmt
& LMT_1Gb
)) ||
4125 ((val
== LPFC_USER_LINK_SPEED_2G
) && !(phba
->lmt
& LMT_2Gb
)) ||
4126 ((val
== LPFC_USER_LINK_SPEED_4G
) && !(phba
->lmt
& LMT_4Gb
)) ||
4127 ((val
== LPFC_USER_LINK_SPEED_8G
) && !(phba
->lmt
& LMT_8Gb
)) ||
4128 ((val
== LPFC_USER_LINK_SPEED_10G
) && !(phba
->lmt
& LMT_10Gb
)) ||
4129 ((val
== LPFC_USER_LINK_SPEED_16G
) && !(phba
->lmt
& LMT_16Gb
)) ||
4130 ((val
== LPFC_USER_LINK_SPEED_32G
) && !(phba
->lmt
& LMT_32Gb
)) ||
4131 ((val
== LPFC_USER_LINK_SPEED_64G
) && !(phba
->lmt
& LMT_64Gb
))) {
4132 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4133 "2879 lpfc_link_speed attribute cannot be set "
4134 "to %d. Speed is not supported by this port.\n",
4138 if (val
>= LPFC_USER_LINK_SPEED_16G
&&
4139 phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
4140 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4141 "3112 lpfc_link_speed attribute cannot be set "
4142 "to %d. Speed is not supported in loop mode.\n",
4148 case LPFC_USER_LINK_SPEED_AUTO
:
4149 case LPFC_USER_LINK_SPEED_1G
:
4150 case LPFC_USER_LINK_SPEED_2G
:
4151 case LPFC_USER_LINK_SPEED_4G
:
4152 case LPFC_USER_LINK_SPEED_8G
:
4153 case LPFC_USER_LINK_SPEED_16G
:
4154 case LPFC_USER_LINK_SPEED_32G
:
4155 case LPFC_USER_LINK_SPEED_64G
:
4156 prev_val
= phba
->cfg_link_speed
;
4157 phba
->cfg_link_speed
= val
;
4161 err
= lpfc_issue_lip(lpfc_shost_from_vport(phba
->pport
));
4163 phba
->cfg_link_speed
= prev_val
;
4171 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4172 "0469 lpfc_link_speed attribute cannot be set to %d, "
4173 "allowed values are [%s]\n",
4174 val
, LPFC_LINK_SPEED_STRING
);
4179 static int lpfc_link_speed
= 0;
4180 module_param(lpfc_link_speed
, int, S_IRUGO
);
4181 MODULE_PARM_DESC(lpfc_link_speed
, "Select link speed");
4182 lpfc_param_show(link_speed
)
4185 * lpfc_link_speed_init - Set the adapters link speed
4186 * @phba: lpfc_hba pointer.
4187 * @val: link speed value.
4190 * If val is in a valid range then set the adapter's link speed field.
4193 * If the value is not in range log a kernel error message, clear the link
4194 * speed and return an error.
4197 * zero if val saved.
4198 * -EINVAL val out of range
4201 lpfc_link_speed_init(struct lpfc_hba
*phba
, int val
)
4203 if (val
>= LPFC_USER_LINK_SPEED_16G
&& phba
->cfg_topology
== 4) {
4204 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4205 "3111 lpfc_link_speed of %d cannot "
4206 "support loop mode, setting topology to default.\n",
4208 phba
->cfg_topology
= 0;
4212 case LPFC_USER_LINK_SPEED_AUTO
:
4213 case LPFC_USER_LINK_SPEED_1G
:
4214 case LPFC_USER_LINK_SPEED_2G
:
4215 case LPFC_USER_LINK_SPEED_4G
:
4216 case LPFC_USER_LINK_SPEED_8G
:
4217 case LPFC_USER_LINK_SPEED_16G
:
4218 case LPFC_USER_LINK_SPEED_32G
:
4219 case LPFC_USER_LINK_SPEED_64G
:
4220 phba
->cfg_link_speed
= val
;
4223 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4224 "0405 lpfc_link_speed attribute cannot "
4225 "be set to %d, allowed values are "
4226 "["LPFC_LINK_SPEED_STRING
"]\n", val
);
4227 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
4232 static DEVICE_ATTR_RW(lpfc_link_speed
);
4235 # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER)
4236 # 0 = aer disabled or not supported
4237 # 1 = aer supported and enabled (default)
4238 # Value range is [0,1]. Default value is 1.
4240 LPFC_ATTR(aer_support
, 1, 0, 1,
4241 "Enable PCIe device AER support");
4242 lpfc_param_show(aer_support
)
4245 * lpfc_aer_support_store - Set the adapter for aer support
4247 * @dev: class device that is converted into a Scsi_host.
4248 * @attr: device attribute, not used.
4249 * @buf: containing enable or disable aer flag.
4250 * @count: unused variable.
4253 * If the val is 1 and currently the device's AER capability was not
4254 * enabled, invoke the kernel's enable AER helper routine, trying to
4255 * enable the device's AER capability. If the helper routine enabling
4256 * AER returns success, update the device's cfg_aer_support flag to
4257 * indicate AER is supported by the device; otherwise, if the device
4258 * AER capability is already enabled to support AER, then do nothing.
4260 * If the val is 0 and currently the device's AER support was enabled,
4261 * invoke the kernel's disable AER helper routine. After that, update
4262 * the device's cfg_aer_support flag to indicate AER is not supported
4263 * by the device; otherwise, if the device AER capability is already
4264 * disabled from supporting AER, then do nothing.
4267 * length of the buf on success if val is in range the intended mode
4269 * -EINVAL if val out of range or intended mode is not supported.
4272 lpfc_aer_support_store(struct device
*dev
, struct device_attribute
*attr
,
4273 const char *buf
, size_t count
)
4275 struct Scsi_Host
*shost
= class_to_shost(dev
);
4276 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
4277 struct lpfc_hba
*phba
= vport
->phba
;
4278 int val
= 0, rc
= -EINVAL
;
4280 if (!isdigit(buf
[0]))
4282 if (sscanf(buf
, "%i", &val
) != 1)
4287 if (phba
->hba_flag
& HBA_AER_ENABLED
) {
4288 rc
= pci_disable_pcie_error_reporting(phba
->pcidev
);
4290 spin_lock_irq(&phba
->hbalock
);
4291 phba
->hba_flag
&= ~HBA_AER_ENABLED
;
4292 spin_unlock_irq(&phba
->hbalock
);
4293 phba
->cfg_aer_support
= 0;
4298 phba
->cfg_aer_support
= 0;
4303 if (!(phba
->hba_flag
& HBA_AER_ENABLED
)) {
4304 rc
= pci_enable_pcie_error_reporting(phba
->pcidev
);
4306 spin_lock_irq(&phba
->hbalock
);
4307 phba
->hba_flag
|= HBA_AER_ENABLED
;
4308 spin_unlock_irq(&phba
->hbalock
);
4309 phba
->cfg_aer_support
= 1;
4314 phba
->cfg_aer_support
= 1;
4325 static DEVICE_ATTR_RW(lpfc_aer_support
);
4328 * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device
4329 * @dev: class device that is converted into a Scsi_host.
4330 * @attr: device attribute, not used.
4331 * @buf: containing flag 1 for aer cleanup state.
4332 * @count: unused variable.
4335 * If the @buf contains 1 and the device currently has the AER support
4336 * enabled, then invokes the kernel AER helper routine
4337 * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable
4338 * error status register.
4343 * -EINVAL if the buf does not contain the 1 or the device is not currently
4344 * enabled with the AER support.
4347 lpfc_aer_cleanup_state(struct device
*dev
, struct device_attribute
*attr
,
4348 const char *buf
, size_t count
)
4350 struct Scsi_Host
*shost
= class_to_shost(dev
);
4351 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4352 struct lpfc_hba
*phba
= vport
->phba
;
4355 if (!isdigit(buf
[0]))
4357 if (sscanf(buf
, "%i", &val
) != 1)
4362 if (phba
->hba_flag
& HBA_AER_ENABLED
)
4363 rc
= pci_cleanup_aer_uncorrect_error_status(phba
->pcidev
);
4371 static DEVICE_ATTR(lpfc_aer_state_cleanup
, S_IWUSR
, NULL
,
4372 lpfc_aer_cleanup_state
);
4375 * lpfc_sriov_nr_virtfn_store - Enable the adapter for sr-iov virtual functions
4377 * @dev: class device that is converted into a Scsi_host.
4378 * @attr: device attribute, not used.
4379 * @buf: containing the string the number of vfs to be enabled.
4380 * @count: unused variable.
4383 * When this api is called either through user sysfs, the driver shall
4384 * try to enable or disable SR-IOV virtual functions according to the
4387 * If zero virtual function has been enabled to the physical function,
4388 * the driver shall invoke the pci enable virtual function api trying
4389 * to enable the virtual functions. If the nr_vfn provided is greater
4390 * than the maximum supported, the maximum virtual function number will
4391 * be used for invoking the api; otherwise, the nr_vfn provided shall
4392 * be used for invoking the api. If the api call returned success, the
4393 * actual number of virtual functions enabled will be set to the driver
4394 * cfg_sriov_nr_virtfn; otherwise, -EINVAL shall be returned and driver
4395 * cfg_sriov_nr_virtfn remains zero.
4397 * If none-zero virtual functions have already been enabled to the
4398 * physical function, as reflected by the driver's cfg_sriov_nr_virtfn,
4399 * -EINVAL will be returned and the driver does nothing;
4401 * If the nr_vfn provided is zero and none-zero virtual functions have
4402 * been enabled, as indicated by the driver's cfg_sriov_nr_virtfn, the
4403 * disabling virtual function api shall be invoded to disable all the
4404 * virtual functions and driver's cfg_sriov_nr_virtfn shall be set to
4405 * zero. Otherwise, if zero virtual function has been enabled, do
4409 * length of the buf on success if val is in range the intended mode
4411 * -EINVAL if val out of range or intended mode is not supported.
4414 lpfc_sriov_nr_virtfn_store(struct device
*dev
, struct device_attribute
*attr
,
4415 const char *buf
, size_t count
)
4417 struct Scsi_Host
*shost
= class_to_shost(dev
);
4418 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
4419 struct lpfc_hba
*phba
= vport
->phba
;
4420 struct pci_dev
*pdev
= phba
->pcidev
;
4421 int val
= 0, rc
= -EINVAL
;
4423 /* Sanity check on user data */
4424 if (!isdigit(buf
[0]))
4426 if (sscanf(buf
, "%i", &val
) != 1)
4431 /* Request disabling virtual functions */
4433 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4434 pci_disable_sriov(pdev
);
4435 phba
->cfg_sriov_nr_virtfn
= 0;
4440 /* Request enabling virtual functions */
4441 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4442 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4443 "3018 There are %d virtual functions "
4444 "enabled on physical function.\n",
4445 phba
->cfg_sriov_nr_virtfn
);
4449 if (val
<= LPFC_MAX_VFN_PER_PFN
)
4450 phba
->cfg_sriov_nr_virtfn
= val
;
4452 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4453 "3019 Enabling %d virtual functions is not "
4458 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
, phba
->cfg_sriov_nr_virtfn
);
4460 phba
->cfg_sriov_nr_virtfn
= 0;
4468 LPFC_ATTR(sriov_nr_virtfn
, LPFC_DEF_VFN_PER_PFN
, 0, LPFC_MAX_VFN_PER_PFN
,
4469 "Enable PCIe device SR-IOV virtual fn");
4471 lpfc_param_show(sriov_nr_virtfn
)
4472 static DEVICE_ATTR_RW(lpfc_sriov_nr_virtfn
);
4475 * lpfc_request_firmware_store - Request for Linux generic firmware upgrade
4477 * @dev: class device that is converted into a Scsi_host.
4478 * @attr: device attribute, not used.
4479 * @buf: containing the string the number of vfs to be enabled.
4480 * @count: unused variable.
4485 * length of the buf on success if val is in range the intended mode
4487 * -EINVAL if val out of range or intended mode is not supported.
4490 lpfc_request_firmware_upgrade_store(struct device
*dev
,
4491 struct device_attribute
*attr
,
4492 const char *buf
, size_t count
)
4494 struct Scsi_Host
*shost
= class_to_shost(dev
);
4495 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
4496 struct lpfc_hba
*phba
= vport
->phba
;
4497 int val
= 0, rc
= -EINVAL
;
4499 /* Sanity check on user data */
4500 if (!isdigit(buf
[0]))
4502 if (sscanf(buf
, "%i", &val
) != 1)
4507 rc
= lpfc_sli4_request_firmware_update(phba
, RUN_FW_UPGRADE
);
4515 static int lpfc_req_fw_upgrade
;
4516 module_param(lpfc_req_fw_upgrade
, int, S_IRUGO
|S_IWUSR
);
4517 MODULE_PARM_DESC(lpfc_req_fw_upgrade
, "Enable Linux generic firmware upgrade");
4518 lpfc_param_show(request_firmware_upgrade
)
4521 * lpfc_request_firmware_upgrade_init - Enable initial linux generic fw upgrade
4522 * @phba: lpfc_hba pointer.
4526 * Set the initial Linux generic firmware upgrade enable or disable flag.
4529 * zero if val saved.
4530 * -EINVAL val out of range
4533 lpfc_request_firmware_upgrade_init(struct lpfc_hba
*phba
, int val
)
4535 if (val
>= 0 && val
<= 1) {
4536 phba
->cfg_request_firmware_upgrade
= val
;
4541 static DEVICE_ATTR(lpfc_req_fw_upgrade
, S_IRUGO
| S_IWUSR
,
4542 lpfc_request_firmware_upgrade_show
,
4543 lpfc_request_firmware_upgrade_store
);
4546 * lpfc_fcp_imax_store
4548 * @dev: class device that is converted into a Scsi_host.
4549 * @attr: device attribute, not used.
4550 * @buf: string with the number of fast-path FCP interrupts per second.
4551 * @count: unused variable.
4554 * If val is in a valid range [636,651042], then set the adapter's
4555 * maximum number of fast-path FCP interrupts per second.
4558 * length of the buf on success if val is in range the intended mode
4560 * -EINVAL if val out of range or intended mode is not supported.
4563 lpfc_fcp_imax_store(struct device
*dev
, struct device_attribute
*attr
,
4564 const char *buf
, size_t count
)
4566 struct Scsi_Host
*shost
= class_to_shost(dev
);
4567 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
4568 struct lpfc_hba
*phba
= vport
->phba
;
4571 /* fcp_imax is only valid for SLI4 */
4572 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
4575 /* Sanity check on user data */
4576 if (!isdigit(buf
[0]))
4578 if (sscanf(buf
, "%i", &val
) != 1)
4582 * Value range for the HBA is [5000,5000000]
4583 * The value for each EQ depends on how many EQs are configured.
4586 if (val
&& (val
< LPFC_MIN_IMAX
|| val
> LPFC_MAX_IMAX
))
4589 phba
->cfg_fcp_imax
= (uint32_t)val
;
4590 phba
->initial_imax
= phba
->cfg_fcp_imax
;
4592 for (i
= 0; i
< phba
->io_channel_irqs
; i
+= LPFC_MAX_EQ_DELAY_EQID_CNT
)
4593 lpfc_modify_hba_eq_delay(phba
, i
, LPFC_MAX_EQ_DELAY_EQID_CNT
,
4600 # lpfc_fcp_imax: The maximum number of fast-path FCP interrupts per second
4603 # Value range is [5,000 to 5,000,000]. Default value is 50,000.
4605 static int lpfc_fcp_imax
= LPFC_DEF_IMAX
;
4606 module_param(lpfc_fcp_imax
, int, S_IRUGO
|S_IWUSR
);
4607 MODULE_PARM_DESC(lpfc_fcp_imax
,
4608 "Set the maximum number of FCP interrupts per second per HBA");
4609 lpfc_param_show(fcp_imax
)
4612 * lpfc_fcp_imax_init - Set the initial sr-iov virtual function enable
4613 * @phba: lpfc_hba pointer.
4614 * @val: link speed value.
4617 * If val is in a valid range [636,651042], then initialize the adapter's
4618 * maximum number of fast-path FCP interrupts per second.
4621 * zero if val saved.
4622 * -EINVAL val out of range
4625 lpfc_fcp_imax_init(struct lpfc_hba
*phba
, int val
)
4627 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
4628 phba
->cfg_fcp_imax
= 0;
4632 if ((val
>= LPFC_MIN_IMAX
&& val
<= LPFC_MAX_IMAX
) ||
4634 phba
->cfg_fcp_imax
= val
;
4638 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4639 "3016 lpfc_fcp_imax: %d out of range, using default\n",
4641 phba
->cfg_fcp_imax
= LPFC_DEF_IMAX
;
4646 static DEVICE_ATTR_RW(lpfc_fcp_imax
);
4649 * lpfc_auto_imax: Controls Auto-interrupt coalescing values support.
4650 * 0 No auto_imax support
4652 * Auto imax will change the value of fcp_imax on a per EQ basis, using
4653 * the EQ Delay Multiplier, depending on the activity for that EQ.
4654 * Value range [0,1]. Default value is 1.
4656 LPFC_ATTR_RW(auto_imax
, 1, 0, 1, "Enable Auto imax");
4659 * lpfc_state_show - Display current driver CPU affinity
4660 * @dev: class converted to a Scsi_host structure.
4661 * @attr: device attribute, not used.
4662 * @buf: on return contains text describing the state of the link.
4664 * Returns: size of formatted string.
4667 lpfc_fcp_cpu_map_show(struct device
*dev
, struct device_attribute
*attr
,
4670 struct Scsi_Host
*shost
= class_to_shost(dev
);
4671 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
4672 struct lpfc_hba
*phba
= vport
->phba
;
4673 struct lpfc_vector_map_info
*cpup
;
4676 if ((phba
->sli_rev
!= LPFC_SLI_REV4
) ||
4677 (phba
->intr_type
!= MSIX
))
4680 switch (phba
->cfg_fcp_cpu_map
) {
4682 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
4683 "fcp_cpu_map: No mapping (%d)\n",
4684 phba
->cfg_fcp_cpu_map
);
4687 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
4688 "fcp_cpu_map: HBA centric mapping (%d): "
4690 phba
->cfg_fcp_cpu_map
,
4691 phba
->sli4_hba
.num_online_cpu
);
4694 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
4695 "fcp_cpu_map: Driver centric mapping (%d): "
4697 phba
->cfg_fcp_cpu_map
,
4698 phba
->sli4_hba
.num_online_cpu
);
4702 while (phba
->sli4_hba
.curr_disp_cpu
< phba
->sli4_hba
.num_present_cpu
) {
4703 cpup
= &phba
->sli4_hba
.cpu_map
[phba
->sli4_hba
.curr_disp_cpu
];
4705 /* margin should fit in this and the truncated message */
4706 if (cpup
->irq
== LPFC_VECTOR_MAP_EMPTY
)
4707 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
4708 "CPU %02d io_chan %02d "
4709 "physid %d coreid %d\n",
4710 phba
->sli4_hba
.curr_disp_cpu
,
4711 cpup
->channel_id
, cpup
->phys_id
,
4714 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
,
4715 "CPU %02d io_chan %02d "
4716 "physid %d coreid %d IRQ %d\n",
4717 phba
->sli4_hba
.curr_disp_cpu
,
4718 cpup
->channel_id
, cpup
->phys_id
,
4719 cpup
->core_id
, cpup
->irq
);
4721 phba
->sli4_hba
.curr_disp_cpu
++;
4723 /* display max number of CPUs keeping some margin */
4724 if (phba
->sli4_hba
.curr_disp_cpu
<
4725 phba
->sli4_hba
.num_present_cpu
&&
4726 (len
>= (PAGE_SIZE
- 64))) {
4727 len
+= scnprintf(buf
+ len
, PAGE_SIZE
-len
, "more...\n");
4732 if (phba
->sli4_hba
.curr_disp_cpu
== phba
->sli4_hba
.num_present_cpu
)
4733 phba
->sli4_hba
.curr_disp_cpu
= 0;
4739 * lpfc_fcp_cpu_map_store - Change CPU affinity of driver vectors
4740 * @dev: class device that is converted into a Scsi_host.
4741 * @attr: device attribute, not used.
4742 * @buf: one or more lpfc_polling_flags values.
4746 * -EINVAL - Not implemented yet.
4749 lpfc_fcp_cpu_map_store(struct device
*dev
, struct device_attribute
*attr
,
4750 const char *buf
, size_t count
)
4752 int status
= -EINVAL
;
4757 # lpfc_fcp_cpu_map: Defines how to map CPUs to IRQ vectors
4760 # Value range is [0 to 2]. Default value is LPFC_DRIVER_CPU_MAP (2).
4761 # 0 - Do not affinitze IRQ vectors
4762 # 1 - Affintize HBA vectors with respect to each HBA
4763 # (start with CPU0 for each HBA)
4764 # 2 - Affintize HBA vectors with respect to the entire driver
4765 # (round robin thru all CPUs across all HBAs)
4767 static int lpfc_fcp_cpu_map
= LPFC_DRIVER_CPU_MAP
;
4768 module_param(lpfc_fcp_cpu_map
, int, S_IRUGO
|S_IWUSR
);
4769 MODULE_PARM_DESC(lpfc_fcp_cpu_map
,
4770 "Defines how to map CPUs to IRQ vectors per HBA");
4773 * lpfc_fcp_cpu_map_init - Set the initial sr-iov virtual function enable
4774 * @phba: lpfc_hba pointer.
4775 * @val: link speed value.
4778 * If val is in a valid range [0-2], then affinitze the adapter's
4782 * zero if val saved.
4783 * -EINVAL val out of range
4786 lpfc_fcp_cpu_map_init(struct lpfc_hba
*phba
, int val
)
4788 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
4789 phba
->cfg_fcp_cpu_map
= 0;
4793 if (val
>= LPFC_MIN_CPU_MAP
&& val
<= LPFC_MAX_CPU_MAP
) {
4794 phba
->cfg_fcp_cpu_map
= val
;
4798 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4799 "3326 lpfc_fcp_cpu_map: %d out of range, using "
4801 phba
->cfg_fcp_cpu_map
= LPFC_DRIVER_CPU_MAP
;
4806 static DEVICE_ATTR_RW(lpfc_fcp_cpu_map
);
4809 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
4810 # Value range is [2,3]. Default value is 3.
4812 LPFC_VPORT_ATTR_R(fcp_class
, 3, 2, 3,
4813 "Select Fibre Channel class of service for FCP sequences");
4816 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
4817 # is [0,1]. Default value is 0.
4819 LPFC_VPORT_ATTR_RW(use_adisc
, 0, 0, 1,
4820 "Use ADISC on rediscovery to authenticate FCP devices");
4823 # lpfc_first_burst_size: First burst size to use on the NPorts
4824 # that support first burst.
4825 # Value range is [0,65536]. Default value is 0.
4827 LPFC_VPORT_ATTR_RW(first_burst_size
, 0, 0, 65536,
4828 "First burst size for Targets that support first burst");
4831 * lpfc_nvmet_fb_size: NVME Target mode supported first burst size.
4832 * When the driver is configured as an NVME target, this value is
4833 * communicated to the NVME initiator in the PRLI response. It is
4834 * used only when the lpfc_nvme_enable_fb and lpfc_nvmet_support
4835 * parameters are set and the target is sending the PRLI RSP.
4836 * Parameter supported on physical port only - no NPIV support.
4837 * Value range is [0,65536]. Default value is 0.
4839 LPFC_ATTR_RW(nvmet_fb_size
, 0, 0, 65536,
4840 "NVME Target mode first burst size in 512B increments.");
4843 * lpfc_nvme_enable_fb: Enable NVME first burst on I and T functions.
4844 * For the Initiator (I), enabling this parameter means that an NVMET
4845 * PRLI response with FBA enabled and an FB_SIZE set to a nonzero value will be
4846 * processed by the initiator for subsequent NVME FCP IO. For the target
4847 * function (T), enabling this parameter qualifies the lpfc_nvmet_fb_size
4848 * driver parameter as the target function's first burst size returned to the
4849 * initiator in the target's NVME PRLI response. Parameter supported on physical
4850 * port only - no NPIV support.
4851 * Value range is [0,1]. Default value is 0 (disabled).
4853 LPFC_ATTR_RW(nvme_enable_fb
, 0, 0, 1,
4854 "Enable First Burst feature on I and T functions.");
4857 # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue
4858 # depth. Default value is 0. When the value of this parameter is zero the
4859 # SCSI command completion time is not used for controlling I/O queue depth. When
4860 # the parameter is set to a non-zero value, the I/O queue depth is controlled
4861 # to limit the I/O completion time to the parameter value.
4862 # The value is set in milliseconds.
4864 LPFC_VPORT_ATTR(max_scsicmpl_time
, 0, 0, 60000,
4865 "Use command completion time to control queue depth");
4867 lpfc_vport_param_show(max_scsicmpl_time
);
4869 lpfc_max_scsicmpl_time_set(struct lpfc_vport
*vport
, int val
)
4871 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4872 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
4874 if (val
== vport
->cfg_max_scsicmpl_time
)
4876 if ((val
< 0) || (val
> 60000))
4878 vport
->cfg_max_scsicmpl_time
= val
;
4880 spin_lock_irq(shost
->host_lock
);
4881 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
4882 if (!NLP_CHK_NODE_ACT(ndlp
))
4884 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
4886 ndlp
->cmd_qdepth
= vport
->cfg_tgt_queue_depth
;
4888 spin_unlock_irq(shost
->host_lock
);
4891 lpfc_vport_param_store(max_scsicmpl_time
);
4892 static DEVICE_ATTR_RW(lpfc_max_scsicmpl_time
);
4895 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
4896 # range is [0,1]. Default value is 0.
4898 LPFC_ATTR_R(ack0
, 0, 0, 1, "Enable ACK0 support");
4901 * lpfc_io_sched: Determine scheduling algrithmn for issuing FCP cmds
4902 * range is [0,1]. Default value is 0.
4903 * For [0], FCP commands are issued to Work Queues ina round robin fashion.
4904 * For [1], FCP commands are issued to a Work Queue associated with the
4907 * LPFC_FCP_SCHED_ROUND_ROBIN == 0
4908 * LPFC_FCP_SCHED_BY_CPU == 1
4910 * The driver dynamically sets this to 1 (BY_CPU) if it's able to set up cpu
4911 * affinity for FCP/NVME I/Os through Work Queues associated with the current
4912 * CPU. Otherwise, the default 0 (Round Robin) scheduling of FCP/NVME I/Os
4913 * through WQs will be used.
4915 LPFC_ATTR_RW(fcp_io_sched
, LPFC_FCP_SCHED_ROUND_ROBIN
,
4916 LPFC_FCP_SCHED_ROUND_ROBIN
,
4917 LPFC_FCP_SCHED_BY_CPU
,
4918 "Determine scheduling algorithm for "
4919 "issuing commands [0] - Round Robin, [1] - Current CPU");
4922 # lpfc_fcp2_no_tgt_reset: Determine bus reset behavior
4923 # range is [0,1]. Default value is 0.
4924 # For [0], bus reset issues target reset to ALL devices
4925 # For [1], bus reset issues target reset to non-FCP2 devices
4927 LPFC_ATTR_RW(fcp2_no_tgt_reset
, 0, 0, 1, "Determine bus reset behavior for "
4928 "FCP2 devices [0] - issue tgt reset, [1] - no tgt reset");
4932 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
4933 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
4934 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
4935 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
4936 # cr_delay is set to 0.
4938 LPFC_ATTR_RW(cr_delay
, 0, 0, 63, "A count of milliseconds after which an "
4939 "interrupt response is generated");
4941 LPFC_ATTR_RW(cr_count
, 1, 1, 255, "A count of I/O completions after which an "
4942 "interrupt response is generated");
4945 # lpfc_multi_ring_support: Determines how many rings to spread available
4946 # cmd/rsp IOCB entries across.
4947 # Value range is [1,2]. Default value is 1.
4949 LPFC_ATTR_R(multi_ring_support
, 1, 1, 2, "Determines number of primary "
4950 "SLI rings to spread IOCB entries across");
4953 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
4954 # identifies what rctl value to configure the additional ring for.
4955 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
4957 LPFC_ATTR_R(multi_ring_rctl
, FC_RCTL_DD_UNSOL_DATA
, 1,
4958 255, "Identifies RCTL for additional ring configuration");
4961 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
4962 # identifies what type value to configure the additional ring for.
4963 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
4965 LPFC_ATTR_R(multi_ring_type
, FC_TYPE_IP
, 1,
4966 255, "Identifies TYPE for additional ring configuration");
4969 # lpfc_enable_SmartSAN: Sets up FDMI support for SmartSAN
4970 # 0 = SmartSAN functionality disabled (default)
4971 # 1 = SmartSAN functionality enabled
4972 # This parameter will override the value of lpfc_fdmi_on module parameter.
4973 # Value range is [0,1]. Default value is 0.
4975 LPFC_ATTR_R(enable_SmartSAN
, 0, 0, 1, "Enable SmartSAN functionality");
4978 # lpfc_fdmi_on: Controls FDMI support.
4979 # 0 No FDMI support (default)
4980 # 1 Traditional FDMI support
4981 # Traditional FDMI support means the driver will assume FDMI-2 support;
4982 # however, if that fails, it will fallback to FDMI-1.
4983 # If lpfc_enable_SmartSAN is set to 1, the driver ignores lpfc_fdmi_on.
4984 # If lpfc_enable_SmartSAN is set 0, the driver uses the current value of
4986 # Value range [0,1]. Default value is 0.
4988 LPFC_ATTR_R(fdmi_on
, 0, 0, 1, "Enable FDMI support");
4991 # Specifies the maximum number of ELS cmds we can have outstanding (for
4992 # discovery). Value range is [1,64]. Default value = 32.
4994 LPFC_VPORT_ATTR(discovery_threads
, 32, 1, 64, "Maximum number of ELS commands "
4995 "during discovery");
4998 # lpfc_max_luns: maximum allowed LUN ID. This is the highest LUN ID that
4999 # will be scanned by the SCSI midlayer when sequential scanning is
5000 # used; and is also the highest LUN ID allowed when the SCSI midlayer
5001 # parses REPORT_LUN responses. The lpfc driver has no LUN count or
5002 # LUN ID limit, but the SCSI midlayer requires this field for the uses
5003 # above. The lpfc driver limits the default value to 255 for two reasons.
5004 # As it bounds the sequential scan loop, scanning for thousands of luns
5005 # on a target can take minutes of wall clock time. Additionally,
5006 # there are FC targets, such as JBODs, that only recognize 8-bits of
5007 # LUN ID. When they receive a value greater than 8 bits, they chop off
5008 # the high order bits. In other words, they see LUN IDs 0, 256, 512,
5009 # and so on all as LUN ID 0. This causes the linux kernel, which sees
5010 # valid responses at each of the LUN IDs, to believe there are multiple
5011 # devices present, when in fact, there is only 1.
5012 # A customer that is aware of their target behaviors, and the results as
5013 # indicated above, is welcome to increase the lpfc_max_luns value.
5014 # As mentioned, this value is not used by the lpfc driver, only the
5016 # Value range is [0,65535]. Default value is 255.
5017 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
5019 LPFC_VPORT_ULL_ATTR_R(max_luns
, 255, 0, 65535, "Maximum allowed LUN ID");
5022 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
5023 # Value range is [1,255], default value is 10.
5025 LPFC_ATTR_RW(poll_tmo
, 10, 1, 255,
5026 "Milliseconds driver will wait between polling FCP ring");
5029 # lpfc_task_mgmt_tmo: Maximum time to wait for task management commands
5030 # to complete in seconds. Value range is [5,180], default value is 60.
5032 LPFC_ATTR_RW(task_mgmt_tmo
, 60, 5, 180,
5033 "Maximum time to wait for task management commands to complete");
5035 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
5036 # support this feature
5039 # 2 = MSI-X enabled (default)
5040 # Value range is [0,2]. Default value is 2.
5042 LPFC_ATTR_R(use_msi
, 2, 0, 2, "Use Message Signaled Interrupts (1) or "
5043 "MSI-X (2), if possible");
5046 * lpfc_nvme_oas: Use the oas bit when sending NVME/NVMET IOs
5048 * 0 = NVME OAS disabled
5049 * 1 = NVME OAS enabled
5051 * Value range is [0,1]. Default value is 0.
5053 LPFC_ATTR_RW(nvme_oas
, 0, 0, 1,
5054 "Use OAS bit on NVME IOs");
5057 * lpfc_nvme_embed_cmd: Use the oas bit when sending NVME/NVMET IOs
5059 * 0 = Put NVME Command in SGL
5060 * 1 = Embed NVME Command in WQE (unless G7)
5061 * 2 = Embed NVME Command in WQE (force)
5063 * Value range is [0,2]. Default value is 1.
5065 LPFC_ATTR_RW(nvme_embed_cmd
, 1, 0, 2,
5066 "Embed NVME Command in WQE");
5069 * lpfc_fcp_io_channel: Set the number of FCP IO channels the driver
5070 * will advertise it supports to the SCSI layer. This also will map to
5071 * the number of WQs the driver will create.
5073 * 0 = Configure the number of io channels to the number of active CPUs.
5074 * 1,32 = Manually specify how many io channels to use.
5076 * Value range is [0,32]. Default value is 4.
5078 LPFC_ATTR_R(fcp_io_channel
,
5079 LPFC_FCP_IO_CHAN_DEF
,
5080 LPFC_HBA_IO_CHAN_MIN
, LPFC_HBA_IO_CHAN_MAX
,
5081 "Set the number of FCP I/O channels");
5084 * lpfc_nvme_io_channel: Set the number of IO hardware queues the driver
5085 * will advertise it supports to the NVME layer. This also will map to
5086 * the number of WQs the driver will create.
5088 * This module parameter is valid when lpfc_enable_fc4_type is set
5091 * The NVME Layer will try to create this many, plus 1 administrative
5092 * hardware queue. The administrative queue will always map to WQ 0
5093 * A hardware IO queue maps (qidx) to a specific driver WQ.
5095 * 0 = Configure the number of io channels to the number of active CPUs.
5096 * 1,32 = Manually specify how many io channels to use.
5098 * Value range is [0,32]. Default value is 0.
5100 LPFC_ATTR_R(nvme_io_channel
,
5101 LPFC_NVME_IO_CHAN_DEF
,
5102 LPFC_HBA_IO_CHAN_MIN
, LPFC_HBA_IO_CHAN_MAX
,
5103 "Set the number of NVME I/O channels");
5106 # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
5107 # 0 = HBA resets disabled
5108 # 1 = HBA resets enabled (default)
5109 # Value range is [0,1]. Default value is 1.
5111 LPFC_ATTR_R(enable_hba_reset
, 1, 0, 1, "Enable HBA resets from the driver.");
5114 # lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer..
5115 # 0 = HBA Heartbeat disabled
5116 # 1 = HBA Heartbeat enabled (default)
5117 # Value range is [0,1]. Default value is 1.
5119 LPFC_ATTR_R(enable_hba_heartbeat
, 0, 0, 1, "Enable HBA Heartbeat.");
5122 # lpfc_EnableXLane: Enable Express Lane Feature
5123 # 0x0 Express Lane Feature disabled
5124 # 0x1 Express Lane Feature enabled
5125 # Value range is [0,1]. Default value is 0.
5127 LPFC_ATTR_R(EnableXLane
, 0, 0, 1, "Enable Express Lane Feature.");
5130 # lpfc_XLanePriority: Define CS_CTL priority for Express Lane Feature
5131 # 0x0 - 0x7f = CS_CTL field in FC header (high 7 bits)
5132 # Value range is [0x0,0x7f]. Default value is 0
5134 LPFC_ATTR_RW(XLanePriority
, 0, 0x0, 0x7f, "CS_CTL for Express Lane Feature.");
5137 # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF)
5138 # 0 = BlockGuard disabled (default)
5139 # 1 = BlockGuard enabled
5140 # Value range is [0,1]. Default value is 0.
5142 LPFC_ATTR_R(enable_bg
, 0, 0, 1, "Enable BlockGuard Support");
5145 # lpfc_fcp_look_ahead: Look ahead for completions in FCP start routine
5146 # 0 = disabled (default)
5148 # Value range is [0,1]. Default value is 0.
5150 # This feature in under investigation and may be supported in the future.
5152 unsigned int lpfc_fcp_look_ahead
= LPFC_LOOK_AHEAD_OFF
;
5156 # - Bit mask of host protection capabilities used to register with the
5158 # - Only meaningful if BG is turned on (lpfc_enable_bg=1).
5159 # - Allows you to ultimately specify which profiles to use
5160 # - Default will result in registering capabilities for all profiles.
5161 # - SHOST_DIF_TYPE1_PROTECTION 1
5162 # HBA supports T10 DIF Type 1: HBA to Target Type 1 Protection
5163 # - SHOST_DIX_TYPE0_PROTECTION 8
5164 # HBA supports DIX Type 0: Host to HBA protection only
5165 # - SHOST_DIX_TYPE1_PROTECTION 16
5166 # HBA supports DIX Type 1: Host to HBA Type 1 protection
5169 LPFC_ATTR(prot_mask
,
5170 (SHOST_DIF_TYPE1_PROTECTION
|
5171 SHOST_DIX_TYPE0_PROTECTION
|
5172 SHOST_DIX_TYPE1_PROTECTION
),
5174 (SHOST_DIF_TYPE1_PROTECTION
|
5175 SHOST_DIX_TYPE0_PROTECTION
|
5176 SHOST_DIX_TYPE1_PROTECTION
),
5177 "T10-DIF host protection capabilities mask");
5180 # lpfc_prot_guard: i
5181 # - Bit mask of protection guard types to register with the SCSI mid-layer
5182 # - Guard types are currently either 1) T10-DIF CRC 2) IP checksum
5183 # - Allows you to ultimately specify which profiles to use
5184 # - Default will result in registering capabilities for all guard types
5187 LPFC_ATTR(prot_guard
,
5188 SHOST_DIX_GUARD_IP
, SHOST_DIX_GUARD_CRC
, SHOST_DIX_GUARD_IP
,
5189 "T10-DIF host protection guard type");
5192 * Delay initial NPort discovery when Clean Address bit is cleared in
5193 * FLOGI/FDISC accept and FCID/Fabric name/Fabric portname is changed.
5194 * This parameter can have value 0 or 1.
5195 * When this parameter is set to 0, no delay is added to the initial
5197 * When this parameter is set to non-zero value, initial Nport discovery is
5198 * delayed by ra_tov seconds when Clean Address bit is cleared in FLOGI/FDISC
5199 * accept and FCID/Fabric name/Fabric portname is changed.
5200 * Driver always delay Nport discovery for subsequent FLOGI/FDISC completion
5201 * when Clean Address bit is cleared in FLOGI/FDISC
5202 * accept and FCID/Fabric name/Fabric portname is changed.
5203 * Default value is 0.
5205 LPFC_ATTR(delay_discovery
, 0, 0, 1,
5206 "Delay NPort discovery when Clean Address bit is cleared.");
5209 * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count
5210 * This value can be set to values between 64 and 4096. The default value is
5211 * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer
5212 * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE).
5213 * Because of the additional overhead involved in setting up T10-DIF,
5214 * this parameter will be limited to 128 if BlockGuard is enabled under SLI4
5215 * and will be limited to 512 if BlockGuard is enabled under SLI3.
5217 LPFC_ATTR_R(sg_seg_cnt
, LPFC_DEFAULT_SG_SEG_CNT
, LPFC_MIN_SG_SEG_CNT
,
5218 LPFC_MAX_SG_SEG_CNT
, "Max Scatter Gather Segment Count");
5221 * lpfc_enable_mds_diags: Enable MDS Diagnostics
5222 * 0 = MDS Diagnostics disabled (default)
5223 * 1 = MDS Diagnostics enabled
5224 * Value range is [0,1]. Default value is 0.
5226 LPFC_ATTR_R(enable_mds_diags
, 0, 0, 1, "Enable MDS Diagnostics");
5229 * lpfc_enable_bbcr: Enable BB Credit Recovery
5230 * 0 = BB Credit Recovery disabled
5231 * 1 = BB Credit Recovery enabled (default)
5232 * Value range is [0,1]. Default value is 1.
5234 LPFC_BBCR_ATTR_RW(enable_bbcr
, 1, 0, 1, "Enable BBC Recovery");
5237 * lpfc_enable_dpp: Enable DPP on G7
5238 * 0 = DPP on G7 disabled
5239 * 1 = DPP on G7 enabled (default)
5240 * Value range is [0,1]. Default value is 1.
5242 LPFC_ATTR_RW(enable_dpp
, 1, 0, 1, "Enable Direct Packet Push");
5244 struct device_attribute
*lpfc_hba_attrs
[] = {
5245 &dev_attr_nvme_info
,
5247 &dev_attr_bg_guard_err
,
5248 &dev_attr_bg_apptag_err
,
5249 &dev_attr_bg_reftag_err
,
5251 &dev_attr_serialnum
,
5252 &dev_attr_modeldesc
,
5253 &dev_attr_modelname
,
5254 &dev_attr_programtype
,
5258 &dev_attr_option_rom_version
,
5259 &dev_attr_link_state
,
5260 &dev_attr_num_discovered_ports
,
5261 &dev_attr_menlo_mgmt_mode
,
5262 &dev_attr_lpfc_drvr_version
,
5263 &dev_attr_lpfc_enable_fip
,
5264 &dev_attr_lpfc_temp_sensor
,
5265 &dev_attr_lpfc_log_verbose
,
5266 &dev_attr_lpfc_lun_queue_depth
,
5267 &dev_attr_lpfc_tgt_queue_depth
,
5268 &dev_attr_lpfc_hba_queue_depth
,
5269 &dev_attr_lpfc_peer_port_login
,
5270 &dev_attr_lpfc_nodev_tmo
,
5271 &dev_attr_lpfc_devloss_tmo
,
5272 &dev_attr_lpfc_enable_fc4_type
,
5273 &dev_attr_lpfc_xri_split
,
5274 &dev_attr_lpfc_fcp_class
,
5275 &dev_attr_lpfc_use_adisc
,
5276 &dev_attr_lpfc_first_burst_size
,
5277 &dev_attr_lpfc_ack0
,
5278 &dev_attr_lpfc_topology
,
5279 &dev_attr_lpfc_scan_down
,
5280 &dev_attr_lpfc_link_speed
,
5281 &dev_attr_lpfc_fcp_io_sched
,
5282 &dev_attr_lpfc_fcp2_no_tgt_reset
,
5283 &dev_attr_lpfc_cr_delay
,
5284 &dev_attr_lpfc_cr_count
,
5285 &dev_attr_lpfc_multi_ring_support
,
5286 &dev_attr_lpfc_multi_ring_rctl
,
5287 &dev_attr_lpfc_multi_ring_type
,
5288 &dev_attr_lpfc_fdmi_on
,
5289 &dev_attr_lpfc_enable_SmartSAN
,
5290 &dev_attr_lpfc_max_luns
,
5291 &dev_attr_lpfc_enable_npiv
,
5292 &dev_attr_lpfc_fcf_failover_policy
,
5293 &dev_attr_lpfc_enable_rrq
,
5294 &dev_attr_nport_evt_cnt
,
5295 &dev_attr_board_mode
,
5302 &dev_attr_npiv_info
,
5303 &dev_attr_issue_reset
,
5304 &dev_attr_lpfc_poll
,
5305 &dev_attr_lpfc_poll_tmo
,
5306 &dev_attr_lpfc_task_mgmt_tmo
,
5307 &dev_attr_lpfc_use_msi
,
5308 &dev_attr_lpfc_nvme_oas
,
5309 &dev_attr_lpfc_nvme_embed_cmd
,
5310 &dev_attr_lpfc_auto_imax
,
5311 &dev_attr_lpfc_fcp_imax
,
5312 &dev_attr_lpfc_fcp_cpu_map
,
5313 &dev_attr_lpfc_fcp_io_channel
,
5314 &dev_attr_lpfc_suppress_rsp
,
5315 &dev_attr_lpfc_nvme_io_channel
,
5316 &dev_attr_lpfc_nvmet_mrq
,
5317 &dev_attr_lpfc_nvme_enable_fb
,
5318 &dev_attr_lpfc_nvmet_fb_size
,
5319 &dev_attr_lpfc_enable_bg
,
5320 &dev_attr_lpfc_soft_wwnn
,
5321 &dev_attr_lpfc_soft_wwpn
,
5322 &dev_attr_lpfc_soft_wwn_enable
,
5323 &dev_attr_lpfc_enable_hba_reset
,
5324 &dev_attr_lpfc_enable_hba_heartbeat
,
5325 &dev_attr_lpfc_EnableXLane
,
5326 &dev_attr_lpfc_XLanePriority
,
5327 &dev_attr_lpfc_xlane_lun
,
5328 &dev_attr_lpfc_xlane_tgt
,
5329 &dev_attr_lpfc_xlane_vpt
,
5330 &dev_attr_lpfc_xlane_lun_state
,
5331 &dev_attr_lpfc_xlane_lun_status
,
5332 &dev_attr_lpfc_xlane_priority
,
5333 &dev_attr_lpfc_sg_seg_cnt
,
5334 &dev_attr_lpfc_max_scsicmpl_time
,
5335 &dev_attr_lpfc_stat_data_ctrl
,
5336 &dev_attr_lpfc_aer_support
,
5337 &dev_attr_lpfc_aer_state_cleanup
,
5338 &dev_attr_lpfc_sriov_nr_virtfn
,
5339 &dev_attr_lpfc_req_fw_upgrade
,
5340 &dev_attr_lpfc_suppress_link_up
,
5341 &dev_attr_lpfc_iocb_cnt
,
5344 &dev_attr_txcmplq_hw
,
5345 &dev_attr_lpfc_fips_level
,
5346 &dev_attr_lpfc_fips_rev
,
5348 &dev_attr_lpfc_sriov_hw_max_virtfn
,
5350 &dev_attr_lpfc_xlane_supported
,
5351 &dev_attr_lpfc_enable_mds_diags
,
5352 &dev_attr_lpfc_enable_bbcr
,
5353 &dev_attr_lpfc_enable_dpp
,
5357 struct device_attribute
*lpfc_vport_attrs
[] = {
5359 &dev_attr_link_state
,
5360 &dev_attr_num_discovered_ports
,
5361 &dev_attr_lpfc_drvr_version
,
5362 &dev_attr_lpfc_log_verbose
,
5363 &dev_attr_lpfc_lun_queue_depth
,
5364 &dev_attr_lpfc_tgt_queue_depth
,
5365 &dev_attr_lpfc_nodev_tmo
,
5366 &dev_attr_lpfc_devloss_tmo
,
5367 &dev_attr_lpfc_hba_queue_depth
,
5368 &dev_attr_lpfc_peer_port_login
,
5369 &dev_attr_lpfc_restrict_login
,
5370 &dev_attr_lpfc_fcp_class
,
5371 &dev_attr_lpfc_use_adisc
,
5372 &dev_attr_lpfc_first_burst_size
,
5373 &dev_attr_lpfc_max_luns
,
5374 &dev_attr_nport_evt_cnt
,
5375 &dev_attr_npiv_info
,
5376 &dev_attr_lpfc_enable_da_id
,
5377 &dev_attr_lpfc_max_scsicmpl_time
,
5378 &dev_attr_lpfc_stat_data_ctrl
,
5379 &dev_attr_lpfc_static_vport
,
5380 &dev_attr_lpfc_fips_level
,
5381 &dev_attr_lpfc_fips_rev
,
5386 * sysfs_ctlreg_write - Write method for writing to ctlreg
5387 * @filp: open sysfs file
5388 * @kobj: kernel kobject that contains the kernel class device.
5389 * @bin_attr: kernel attributes passed to us.
5390 * @buf: contains the data to be written to the adapter IOREG space.
5391 * @off: offset into buffer to beginning of data.
5392 * @count: bytes to transfer.
5395 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
5396 * Uses the adapter io control registers to send buf contents to the adapter.
5399 * -ERANGE off and count combo out of range
5400 * -EINVAL off, count or buff address invalid
5401 * -EPERM adapter is offline
5402 * value of count, buf contents written
5405 sysfs_ctlreg_write(struct file
*filp
, struct kobject
*kobj
,
5406 struct bin_attribute
*bin_attr
,
5407 char *buf
, loff_t off
, size_t count
)
5410 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
5411 struct Scsi_Host
*shost
= class_to_shost(dev
);
5412 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
5413 struct lpfc_hba
*phba
= vport
->phba
;
5415 if (phba
->sli_rev
>= LPFC_SLI_REV4
)
5418 if ((off
+ count
) > FF_REG_AREA_SIZE
)
5421 if (count
<= LPFC_REG_WRITE_KEY_SIZE
)
5424 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
5427 /* This is to protect HBA registers from accidental writes. */
5428 if (memcmp(buf
, LPFC_REG_WRITE_KEY
, LPFC_REG_WRITE_KEY_SIZE
))
5431 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
5434 spin_lock_irq(&phba
->hbalock
);
5435 for (buf_off
= 0; buf_off
< count
- LPFC_REG_WRITE_KEY_SIZE
;
5436 buf_off
+= sizeof(uint32_t))
5437 writel(*((uint32_t *)(buf
+ buf_off
+ LPFC_REG_WRITE_KEY_SIZE
)),
5438 phba
->ctrl_regs_memmap_p
+ off
+ buf_off
);
5440 spin_unlock_irq(&phba
->hbalock
);
5446 * sysfs_ctlreg_read - Read method for reading from ctlreg
5447 * @filp: open sysfs file
5448 * @kobj: kernel kobject that contains the kernel class device.
5449 * @bin_attr: kernel attributes passed to us.
5450 * @buf: if successful contains the data from the adapter IOREG space.
5451 * @off: offset into buffer to beginning of data.
5452 * @count: bytes to transfer.
5455 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
5456 * Uses the adapter io control registers to read data into buf.
5459 * -ERANGE off and count combo out of range
5460 * -EINVAL off, count or buff address invalid
5461 * value of count, buf contents read
5464 sysfs_ctlreg_read(struct file
*filp
, struct kobject
*kobj
,
5465 struct bin_attribute
*bin_attr
,
5466 char *buf
, loff_t off
, size_t count
)
5470 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
5471 struct Scsi_Host
*shost
= class_to_shost(dev
);
5472 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
5473 struct lpfc_hba
*phba
= vport
->phba
;
5475 if (phba
->sli_rev
>= LPFC_SLI_REV4
)
5478 if (off
> FF_REG_AREA_SIZE
)
5481 if ((off
+ count
) > FF_REG_AREA_SIZE
)
5482 count
= FF_REG_AREA_SIZE
- off
;
5484 if (count
== 0) return 0;
5486 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
5489 spin_lock_irq(&phba
->hbalock
);
5491 for (buf_off
= 0; buf_off
< count
; buf_off
+= sizeof(uint32_t)) {
5492 tmp_ptr
= (uint32_t *)(buf
+ buf_off
);
5493 *tmp_ptr
= readl(phba
->ctrl_regs_memmap_p
+ off
+ buf_off
);
5496 spin_unlock_irq(&phba
->hbalock
);
5501 static struct bin_attribute sysfs_ctlreg_attr
= {
5504 .mode
= S_IRUSR
| S_IWUSR
,
5507 .read
= sysfs_ctlreg_read
,
5508 .write
= sysfs_ctlreg_write
,
5512 * sysfs_mbox_write - Write method for writing information via mbox
5513 * @filp: open sysfs file
5514 * @kobj: kernel kobject that contains the kernel class device.
5515 * @bin_attr: kernel attributes passed to us.
5516 * @buf: contains the data to be written to sysfs mbox.
5517 * @off: offset into buffer to beginning of data.
5518 * @count: bytes to transfer.
5521 * Deprecated function. All mailbox access from user space is performed via the
5525 * -EPERM operation not permitted
5528 sysfs_mbox_write(struct file
*filp
, struct kobject
*kobj
,
5529 struct bin_attribute
*bin_attr
,
5530 char *buf
, loff_t off
, size_t count
)
5536 * sysfs_mbox_read - Read method for reading information via mbox
5537 * @filp: open sysfs file
5538 * @kobj: kernel kobject that contains the kernel class device.
5539 * @bin_attr: kernel attributes passed to us.
5540 * @buf: contains the data to be read from sysfs mbox.
5541 * @off: offset into buffer to beginning of data.
5542 * @count: bytes to transfer.
5545 * Deprecated function. All mailbox access from user space is performed via the
5549 * -EPERM operation not permitted
5552 sysfs_mbox_read(struct file
*filp
, struct kobject
*kobj
,
5553 struct bin_attribute
*bin_attr
,
5554 char *buf
, loff_t off
, size_t count
)
5559 static struct bin_attribute sysfs_mbox_attr
= {
5562 .mode
= S_IRUSR
| S_IWUSR
,
5564 .size
= MAILBOX_SYSFS_MAX
,
5565 .read
= sysfs_mbox_read
,
5566 .write
= sysfs_mbox_write
,
5570 * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries
5571 * @vport: address of lpfc vport structure.
5575 * error return code from sysfs_create_bin_file()
5578 lpfc_alloc_sysfs_attr(struct lpfc_vport
*vport
)
5580 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
5583 error
= sysfs_create_bin_file(&shost
->shost_dev
.kobj
,
5584 &sysfs_drvr_stat_data_attr
);
5586 /* Virtual ports do not need ctrl_reg and mbox */
5587 if (error
|| vport
->port_type
== LPFC_NPIV_PORT
)
5590 error
= sysfs_create_bin_file(&shost
->shost_dev
.kobj
,
5591 &sysfs_ctlreg_attr
);
5593 goto out_remove_stat_attr
;
5595 error
= sysfs_create_bin_file(&shost
->shost_dev
.kobj
,
5598 goto out_remove_ctlreg_attr
;
5601 out_remove_ctlreg_attr
:
5602 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
, &sysfs_ctlreg_attr
);
5603 out_remove_stat_attr
:
5604 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
,
5605 &sysfs_drvr_stat_data_attr
);
5611 * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries
5612 * @vport: address of lpfc vport structure.
5615 lpfc_free_sysfs_attr(struct lpfc_vport
*vport
)
5617 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
5618 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
,
5619 &sysfs_drvr_stat_data_attr
);
5620 /* Virtual ports do not need ctrl_reg and mbox */
5621 if (vport
->port_type
== LPFC_NPIV_PORT
)
5623 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
, &sysfs_mbox_attr
);
5624 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
, &sysfs_ctlreg_attr
);
5628 * Dynamic FC Host Attributes Support
5632 * lpfc_get_host_symbolic_name - Copy symbolic name into the scsi host
5633 * @shost: kernel scsi host pointer.
5636 lpfc_get_host_symbolic_name(struct Scsi_Host
*shost
)
5638 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
5640 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
5641 sizeof fc_host_symbolic_name(shost
));
5645 * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id
5646 * @shost: kernel scsi host pointer.
5649 lpfc_get_host_port_id(struct Scsi_Host
*shost
)
5651 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
5653 /* note: fc_myDID already in cpu endianness */
5654 fc_host_port_id(shost
) = vport
->fc_myDID
;
5658 * lpfc_get_host_port_type - Set the value of the scsi host port type
5659 * @shost: kernel scsi host pointer.
5662 lpfc_get_host_port_type(struct Scsi_Host
*shost
)
5664 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
5665 struct lpfc_hba
*phba
= vport
->phba
;
5667 spin_lock_irq(shost
->host_lock
);
5669 if (vport
->port_type
== LPFC_NPIV_PORT
) {
5670 fc_host_port_type(shost
) = FC_PORTTYPE_NPIV
;
5671 } else if (lpfc_is_link_up(phba
)) {
5672 if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
5673 if (vport
->fc_flag
& FC_PUBLIC_LOOP
)
5674 fc_host_port_type(shost
) = FC_PORTTYPE_NLPORT
;
5676 fc_host_port_type(shost
) = FC_PORTTYPE_LPORT
;
5678 if (vport
->fc_flag
& FC_FABRIC
)
5679 fc_host_port_type(shost
) = FC_PORTTYPE_NPORT
;
5681 fc_host_port_type(shost
) = FC_PORTTYPE_PTP
;
5684 fc_host_port_type(shost
) = FC_PORTTYPE_UNKNOWN
;
5686 spin_unlock_irq(shost
->host_lock
);
5690 * lpfc_get_host_port_state - Set the value of the scsi host port state
5691 * @shost: kernel scsi host pointer.
5694 lpfc_get_host_port_state(struct Scsi_Host
*shost
)
5696 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
5697 struct lpfc_hba
*phba
= vport
->phba
;
5699 spin_lock_irq(shost
->host_lock
);
5701 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
5702 fc_host_port_state(shost
) = FC_PORTSTATE_OFFLINE
;
5704 switch (phba
->link_state
) {
5705 case LPFC_LINK_UNKNOWN
:
5706 case LPFC_LINK_DOWN
:
5707 fc_host_port_state(shost
) = FC_PORTSTATE_LINKDOWN
;
5711 case LPFC_HBA_READY
:
5712 /* Links up, reports port state accordingly */
5713 if (vport
->port_state
< LPFC_VPORT_READY
)
5714 fc_host_port_state(shost
) =
5715 FC_PORTSTATE_BYPASSED
;
5717 fc_host_port_state(shost
) =
5718 FC_PORTSTATE_ONLINE
;
5720 case LPFC_HBA_ERROR
:
5721 fc_host_port_state(shost
) = FC_PORTSTATE_ERROR
;
5724 fc_host_port_state(shost
) = FC_PORTSTATE_UNKNOWN
;
5729 spin_unlock_irq(shost
->host_lock
);
5733 * lpfc_get_host_speed - Set the value of the scsi host speed
5734 * @shost: kernel scsi host pointer.
5737 lpfc_get_host_speed(struct Scsi_Host
*shost
)
5739 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
5740 struct lpfc_hba
*phba
= vport
->phba
;
5742 spin_lock_irq(shost
->host_lock
);
5744 if ((lpfc_is_link_up(phba
)) && (!(phba
->hba_flag
& HBA_FCOE_MODE
))) {
5745 switch(phba
->fc_linkspeed
) {
5746 case LPFC_LINK_SPEED_1GHZ
:
5747 fc_host_speed(shost
) = FC_PORTSPEED_1GBIT
;
5749 case LPFC_LINK_SPEED_2GHZ
:
5750 fc_host_speed(shost
) = FC_PORTSPEED_2GBIT
;
5752 case LPFC_LINK_SPEED_4GHZ
:
5753 fc_host_speed(shost
) = FC_PORTSPEED_4GBIT
;
5755 case LPFC_LINK_SPEED_8GHZ
:
5756 fc_host_speed(shost
) = FC_PORTSPEED_8GBIT
;
5758 case LPFC_LINK_SPEED_10GHZ
:
5759 fc_host_speed(shost
) = FC_PORTSPEED_10GBIT
;
5761 case LPFC_LINK_SPEED_16GHZ
:
5762 fc_host_speed(shost
) = FC_PORTSPEED_16GBIT
;
5764 case LPFC_LINK_SPEED_32GHZ
:
5765 fc_host_speed(shost
) = FC_PORTSPEED_32GBIT
;
5767 case LPFC_LINK_SPEED_64GHZ
:
5768 fc_host_speed(shost
) = FC_PORTSPEED_64GBIT
;
5771 fc_host_speed(shost
) = FC_PORTSPEED_UNKNOWN
;
5775 fc_host_speed(shost
) = FC_PORTSPEED_UNKNOWN
;
5777 spin_unlock_irq(shost
->host_lock
);
5781 * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name
5782 * @shost: kernel scsi host pointer.
5785 lpfc_get_host_fabric_name (struct Scsi_Host
*shost
)
5787 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
5788 struct lpfc_hba
*phba
= vport
->phba
;
5791 spin_lock_irq(shost
->host_lock
);
5793 if ((vport
->port_state
> LPFC_FLOGI
) &&
5794 ((vport
->fc_flag
& FC_FABRIC
) ||
5795 ((phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) &&
5796 (vport
->fc_flag
& FC_PUBLIC_LOOP
))))
5797 node_name
= wwn_to_u64(phba
->fc_fabparam
.nodeName
.u
.wwn
);
5799 /* fabric is local port if there is no F/FL_Port */
5802 spin_unlock_irq(shost
->host_lock
);
5804 fc_host_fabric_name(shost
) = node_name
;
5808 * lpfc_get_stats - Return statistical information about the adapter
5809 * @shost: kernel scsi host pointer.
5812 * NULL on error for link down, no mbox pool, sli2 active,
5813 * management not allowed, memory allocation error, or mbox error.
5817 * address of the adapter host statistics
5819 static struct fc_host_statistics
*
5820 lpfc_get_stats(struct Scsi_Host
*shost
)
5822 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
5823 struct lpfc_hba
*phba
= vport
->phba
;
5824 struct lpfc_sli
*psli
= &phba
->sli
;
5825 struct fc_host_statistics
*hs
= &phba
->link_stats
;
5826 struct lpfc_lnk_stat
* lso
= &psli
->lnk_stat_offsets
;
5827 LPFC_MBOXQ_t
*pmboxq
;
5829 unsigned long seconds
;
5833 * prevent udev from issuing mailbox commands until the port is
5836 if (phba
->link_state
< LPFC_LINK_DOWN
||
5837 !phba
->mbox_mem_pool
||
5838 (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
) == 0)
5841 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
5844 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5847 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
5849 pmb
= &pmboxq
->u
.mb
;
5850 pmb
->mbxCommand
= MBX_READ_STATUS
;
5851 pmb
->mbxOwner
= OWN_HOST
;
5852 pmboxq
->context1
= NULL
;
5853 pmboxq
->vport
= vport
;
5855 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
5856 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
5858 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
5860 if (rc
!= MBX_SUCCESS
) {
5861 if (rc
!= MBX_TIMEOUT
)
5862 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
5866 memset(hs
, 0, sizeof (struct fc_host_statistics
));
5868 hs
->tx_frames
= pmb
->un
.varRdStatus
.xmitFrameCnt
;
5870 * The MBX_READ_STATUS returns tx_k_bytes which has to
5871 * converted to words
5873 hs
->tx_words
= (uint64_t)
5874 ((uint64_t)pmb
->un
.varRdStatus
.xmitByteCnt
5876 hs
->rx_frames
= pmb
->un
.varRdStatus
.rcvFrameCnt
;
5877 hs
->rx_words
= (uint64_t)
5878 ((uint64_t)pmb
->un
.varRdStatus
.rcvByteCnt
5881 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
5882 pmb
->mbxCommand
= MBX_READ_LNK_STAT
;
5883 pmb
->mbxOwner
= OWN_HOST
;
5884 pmboxq
->context1
= NULL
;
5885 pmboxq
->vport
= vport
;
5887 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
5888 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
5890 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
5892 if (rc
!= MBX_SUCCESS
) {
5893 if (rc
!= MBX_TIMEOUT
)
5894 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
5898 hs
->link_failure_count
= pmb
->un
.varRdLnk
.linkFailureCnt
;
5899 hs
->loss_of_sync_count
= pmb
->un
.varRdLnk
.lossSyncCnt
;
5900 hs
->loss_of_signal_count
= pmb
->un
.varRdLnk
.lossSignalCnt
;
5901 hs
->prim_seq_protocol_err_count
= pmb
->un
.varRdLnk
.primSeqErrCnt
;
5902 hs
->invalid_tx_word_count
= pmb
->un
.varRdLnk
.invalidXmitWord
;
5903 hs
->invalid_crc_count
= pmb
->un
.varRdLnk
.crcCnt
;
5904 hs
->error_frames
= pmb
->un
.varRdLnk
.crcCnt
;
5906 hs
->link_failure_count
-= lso
->link_failure_count
;
5907 hs
->loss_of_sync_count
-= lso
->loss_of_sync_count
;
5908 hs
->loss_of_signal_count
-= lso
->loss_of_signal_count
;
5909 hs
->prim_seq_protocol_err_count
-= lso
->prim_seq_protocol_err_count
;
5910 hs
->invalid_tx_word_count
-= lso
->invalid_tx_word_count
;
5911 hs
->invalid_crc_count
-= lso
->invalid_crc_count
;
5912 hs
->error_frames
-= lso
->error_frames
;
5914 if (phba
->hba_flag
& HBA_FCOE_MODE
) {
5916 hs
->nos_count
= (phba
->link_events
>> 1);
5917 hs
->nos_count
-= lso
->link_events
;
5918 } else if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
5919 hs
->lip_count
= (phba
->fc_eventTag
>> 1);
5920 hs
->lip_count
-= lso
->link_events
;
5924 hs
->nos_count
= (phba
->fc_eventTag
>> 1);
5925 hs
->nos_count
-= lso
->link_events
;
5928 hs
->dumped_frames
= -1;
5930 seconds
= get_seconds();
5931 if (seconds
< psli
->stats_start
)
5932 hs
->seconds_since_last_reset
= seconds
+
5933 ((unsigned long)-1 - psli
->stats_start
);
5935 hs
->seconds_since_last_reset
= seconds
- psli
->stats_start
;
5937 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
5943 * lpfc_reset_stats - Copy the adapter link stats information
5944 * @shost: kernel scsi host pointer.
5947 lpfc_reset_stats(struct Scsi_Host
*shost
)
5949 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
5950 struct lpfc_hba
*phba
= vport
->phba
;
5951 struct lpfc_sli
*psli
= &phba
->sli
;
5952 struct lpfc_lnk_stat
*lso
= &psli
->lnk_stat_offsets
;
5953 LPFC_MBOXQ_t
*pmboxq
;
5957 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
5960 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5963 memset(pmboxq
, 0, sizeof(LPFC_MBOXQ_t
));
5965 pmb
= &pmboxq
->u
.mb
;
5966 pmb
->mbxCommand
= MBX_READ_STATUS
;
5967 pmb
->mbxOwner
= OWN_HOST
;
5968 pmb
->un
.varWords
[0] = 0x1; /* reset request */
5969 pmboxq
->context1
= NULL
;
5970 pmboxq
->vport
= vport
;
5972 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
5973 (!(psli
->sli_flag
& LPFC_SLI_ACTIVE
)))
5974 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
5976 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
5978 if (rc
!= MBX_SUCCESS
) {
5979 if (rc
!= MBX_TIMEOUT
)
5980 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
5984 memset(pmboxq
, 0, sizeof(LPFC_MBOXQ_t
));
5985 pmb
->mbxCommand
= MBX_READ_LNK_STAT
;
5986 pmb
->mbxOwner
= OWN_HOST
;
5987 pmboxq
->context1
= NULL
;
5988 pmboxq
->vport
= vport
;
5990 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
5991 (!(psli
->sli_flag
& LPFC_SLI_ACTIVE
)))
5992 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
5994 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
5996 if (rc
!= MBX_SUCCESS
) {
5997 if (rc
!= MBX_TIMEOUT
)
5998 mempool_free( pmboxq
, phba
->mbox_mem_pool
);
6002 lso
->link_failure_count
= pmb
->un
.varRdLnk
.linkFailureCnt
;
6003 lso
->loss_of_sync_count
= pmb
->un
.varRdLnk
.lossSyncCnt
;
6004 lso
->loss_of_signal_count
= pmb
->un
.varRdLnk
.lossSignalCnt
;
6005 lso
->prim_seq_protocol_err_count
= pmb
->un
.varRdLnk
.primSeqErrCnt
;
6006 lso
->invalid_tx_word_count
= pmb
->un
.varRdLnk
.invalidXmitWord
;
6007 lso
->invalid_crc_count
= pmb
->un
.varRdLnk
.crcCnt
;
6008 lso
->error_frames
= pmb
->un
.varRdLnk
.crcCnt
;
6009 if (phba
->hba_flag
& HBA_FCOE_MODE
)
6010 lso
->link_events
= (phba
->link_events
>> 1);
6012 lso
->link_events
= (phba
->fc_eventTag
>> 1);
6014 psli
->stats_start
= get_seconds();
6016 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
6022 * The LPFC driver treats linkdown handling as target loss events so there
6023 * are no sysfs handlers for link_down_tmo.
6027 * lpfc_get_node_by_target - Return the nodelist for a target
6028 * @starget: kernel scsi target pointer.
6031 * address of the node list if found
6032 * NULL target not found
6034 static struct lpfc_nodelist
*
6035 lpfc_get_node_by_target(struct scsi_target
*starget
)
6037 struct Scsi_Host
*shost
= dev_to_shost(starget
->dev
.parent
);
6038 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
6039 struct lpfc_nodelist
*ndlp
;
6041 spin_lock_irq(shost
->host_lock
);
6042 /* Search for this, mapped, target ID */
6043 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
6044 if (NLP_CHK_NODE_ACT(ndlp
) &&
6045 ndlp
->nlp_state
== NLP_STE_MAPPED_NODE
&&
6046 starget
->id
== ndlp
->nlp_sid
) {
6047 spin_unlock_irq(shost
->host_lock
);
6051 spin_unlock_irq(shost
->host_lock
);
6056 * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1
6057 * @starget: kernel scsi target pointer.
6060 lpfc_get_starget_port_id(struct scsi_target
*starget
)
6062 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
6064 fc_starget_port_id(starget
) = ndlp
? ndlp
->nlp_DID
: -1;
6068 * lpfc_get_starget_node_name - Set the target node name
6069 * @starget: kernel scsi target pointer.
6071 * Description: Set the target node name to the ndlp node name wwn or zero.
6074 lpfc_get_starget_node_name(struct scsi_target
*starget
)
6076 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
6078 fc_starget_node_name(starget
) =
6079 ndlp
? wwn_to_u64(ndlp
->nlp_nodename
.u
.wwn
) : 0;
6083 * lpfc_get_starget_port_name - Set the target port name
6084 * @starget: kernel scsi target pointer.
6086 * Description: set the target port name to the ndlp port name wwn or zero.
6089 lpfc_get_starget_port_name(struct scsi_target
*starget
)
6091 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
6093 fc_starget_port_name(starget
) =
6094 ndlp
? wwn_to_u64(ndlp
->nlp_portname
.u
.wwn
) : 0;
6098 * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo
6099 * @rport: fc rport address.
6100 * @timeout: new value for dev loss tmo.
6103 * If timeout is non zero set the dev_loss_tmo to timeout, else set
6104 * dev_loss_tmo to one.
6107 lpfc_set_rport_loss_tmo(struct fc_rport
*rport
, uint32_t timeout
)
6110 rport
->dev_loss_tmo
= timeout
;
6112 rport
->dev_loss_tmo
= 1;
6116 * lpfc_rport_show_function - Return rport target information
6119 * Macro that uses field to generate a function with the name lpfc_show_rport_
6121 * lpfc_show_rport_##field: returns the bytes formatted in buf
6122 * @cdev: class converted to an fc_rport.
6123 * @buf: on return contains the target_field or zero.
6125 * Returns: size of formatted string.
6127 #define lpfc_rport_show_function(field, format_string, sz, cast) \
6129 lpfc_show_rport_##field (struct device *dev, \
6130 struct device_attribute *attr, \
6133 struct fc_rport *rport = transport_class_to_rport(dev); \
6134 struct lpfc_rport_data *rdata = rport->hostdata; \
6135 return scnprintf(buf, sz, format_string, \
6136 (rdata->target) ? cast rdata->target->field : 0); \
6139 #define lpfc_rport_rd_attr(field, format_string, sz) \
6140 lpfc_rport_show_function(field, format_string, sz, ) \
6141 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
6144 * lpfc_set_vport_symbolic_name - Set the vport's symbolic name
6145 * @fc_vport: The fc_vport who's symbolic name has been changed.
6148 * This function is called by the transport after the @fc_vport's symbolic name
6149 * has been changed. This function re-registers the symbolic name with the
6150 * switch to propagate the change into the fabric if the vport is active.
6153 lpfc_set_vport_symbolic_name(struct fc_vport
*fc_vport
)
6155 struct lpfc_vport
*vport
= *(struct lpfc_vport
**)fc_vport
->dd_data
;
6157 if (vport
->port_state
== LPFC_VPORT_READY
)
6158 lpfc_ns_cmd(vport
, SLI_CTNS_RSPN_ID
, 0, 0);
6162 * lpfc_hba_log_verbose_init - Set hba's log verbose level
6163 * @phba: Pointer to lpfc_hba struct.
6165 * This function is called by the lpfc_get_cfgparam() routine to set the
6166 * module lpfc_log_verbose into the @phba cfg_log_verbose for use with
6167 * log message according to the module's lpfc_log_verbose parameter setting
6168 * before hba port or vport created.
6171 lpfc_hba_log_verbose_init(struct lpfc_hba
*phba
, uint32_t verbose
)
6173 phba
->cfg_log_verbose
= verbose
;
6176 struct fc_function_template lpfc_transport_functions
= {
6177 /* fixed attributes the driver supports */
6178 .show_host_node_name
= 1,
6179 .show_host_port_name
= 1,
6180 .show_host_supported_classes
= 1,
6181 .show_host_supported_fc4s
= 1,
6182 .show_host_supported_speeds
= 1,
6183 .show_host_maxframe_size
= 1,
6185 .get_host_symbolic_name
= lpfc_get_host_symbolic_name
,
6186 .show_host_symbolic_name
= 1,
6188 /* dynamic attributes the driver supports */
6189 .get_host_port_id
= lpfc_get_host_port_id
,
6190 .show_host_port_id
= 1,
6192 .get_host_port_type
= lpfc_get_host_port_type
,
6193 .show_host_port_type
= 1,
6195 .get_host_port_state
= lpfc_get_host_port_state
,
6196 .show_host_port_state
= 1,
6198 /* active_fc4s is shown but doesn't change (thus no get function) */
6199 .show_host_active_fc4s
= 1,
6201 .get_host_speed
= lpfc_get_host_speed
,
6202 .show_host_speed
= 1,
6204 .get_host_fabric_name
= lpfc_get_host_fabric_name
,
6205 .show_host_fabric_name
= 1,
6208 * The LPFC driver treats linkdown handling as target loss events
6209 * so there are no sysfs handlers for link_down_tmo.
6212 .get_fc_host_stats
= lpfc_get_stats
,
6213 .reset_fc_host_stats
= lpfc_reset_stats
,
6215 .dd_fcrport_size
= sizeof(struct lpfc_rport_data
),
6216 .show_rport_maxframe_size
= 1,
6217 .show_rport_supported_classes
= 1,
6219 .set_rport_dev_loss_tmo
= lpfc_set_rport_loss_tmo
,
6220 .show_rport_dev_loss_tmo
= 1,
6222 .get_starget_port_id
= lpfc_get_starget_port_id
,
6223 .show_starget_port_id
= 1,
6225 .get_starget_node_name
= lpfc_get_starget_node_name
,
6226 .show_starget_node_name
= 1,
6228 .get_starget_port_name
= lpfc_get_starget_port_name
,
6229 .show_starget_port_name
= 1,
6231 .issue_fc_host_lip
= lpfc_issue_lip
,
6232 .dev_loss_tmo_callbk
= lpfc_dev_loss_tmo_callbk
,
6233 .terminate_rport_io
= lpfc_terminate_rport_io
,
6235 .dd_fcvport_size
= sizeof(struct lpfc_vport
*),
6237 .vport_disable
= lpfc_vport_disable
,
6239 .set_vport_symbolic_name
= lpfc_set_vport_symbolic_name
,
6241 .bsg_request
= lpfc_bsg_request
,
6242 .bsg_timeout
= lpfc_bsg_timeout
,
6245 struct fc_function_template lpfc_vport_transport_functions
= {
6246 /* fixed attributes the driver supports */
6247 .show_host_node_name
= 1,
6248 .show_host_port_name
= 1,
6249 .show_host_supported_classes
= 1,
6250 .show_host_supported_fc4s
= 1,
6251 .show_host_supported_speeds
= 1,
6252 .show_host_maxframe_size
= 1,
6254 .get_host_symbolic_name
= lpfc_get_host_symbolic_name
,
6255 .show_host_symbolic_name
= 1,
6257 /* dynamic attributes the driver supports */
6258 .get_host_port_id
= lpfc_get_host_port_id
,
6259 .show_host_port_id
= 1,
6261 .get_host_port_type
= lpfc_get_host_port_type
,
6262 .show_host_port_type
= 1,
6264 .get_host_port_state
= lpfc_get_host_port_state
,
6265 .show_host_port_state
= 1,
6267 /* active_fc4s is shown but doesn't change (thus no get function) */
6268 .show_host_active_fc4s
= 1,
6270 .get_host_speed
= lpfc_get_host_speed
,
6271 .show_host_speed
= 1,
6273 .get_host_fabric_name
= lpfc_get_host_fabric_name
,
6274 .show_host_fabric_name
= 1,
6277 * The LPFC driver treats linkdown handling as target loss events
6278 * so there are no sysfs handlers for link_down_tmo.
6281 .get_fc_host_stats
= lpfc_get_stats
,
6282 .reset_fc_host_stats
= lpfc_reset_stats
,
6284 .dd_fcrport_size
= sizeof(struct lpfc_rport_data
),
6285 .show_rport_maxframe_size
= 1,
6286 .show_rport_supported_classes
= 1,
6288 .set_rport_dev_loss_tmo
= lpfc_set_rport_loss_tmo
,
6289 .show_rport_dev_loss_tmo
= 1,
6291 .get_starget_port_id
= lpfc_get_starget_port_id
,
6292 .show_starget_port_id
= 1,
6294 .get_starget_node_name
= lpfc_get_starget_node_name
,
6295 .show_starget_node_name
= 1,
6297 .get_starget_port_name
= lpfc_get_starget_port_name
,
6298 .show_starget_port_name
= 1,
6300 .dev_loss_tmo_callbk
= lpfc_dev_loss_tmo_callbk
,
6301 .terminate_rport_io
= lpfc_terminate_rport_io
,
6303 .vport_disable
= lpfc_vport_disable
,
6305 .set_vport_symbolic_name
= lpfc_set_vport_symbolic_name
,
6309 * lpfc_get_cfgparam - Used during probe_one to init the adapter structure
6310 * @phba: lpfc_hba pointer.
6313 lpfc_get_cfgparam(struct lpfc_hba
*phba
)
6315 lpfc_fcp_io_sched_init(phba
, lpfc_fcp_io_sched
);
6316 lpfc_fcp2_no_tgt_reset_init(phba
, lpfc_fcp2_no_tgt_reset
);
6317 lpfc_cr_delay_init(phba
, lpfc_cr_delay
);
6318 lpfc_cr_count_init(phba
, lpfc_cr_count
);
6319 lpfc_multi_ring_support_init(phba
, lpfc_multi_ring_support
);
6320 lpfc_multi_ring_rctl_init(phba
, lpfc_multi_ring_rctl
);
6321 lpfc_multi_ring_type_init(phba
, lpfc_multi_ring_type
);
6322 lpfc_ack0_init(phba
, lpfc_ack0
);
6323 lpfc_topology_init(phba
, lpfc_topology
);
6324 lpfc_link_speed_init(phba
, lpfc_link_speed
);
6325 lpfc_poll_tmo_init(phba
, lpfc_poll_tmo
);
6326 lpfc_task_mgmt_tmo_init(phba
, lpfc_task_mgmt_tmo
);
6327 lpfc_enable_npiv_init(phba
, lpfc_enable_npiv
);
6328 lpfc_fcf_failover_policy_init(phba
, lpfc_fcf_failover_policy
);
6329 lpfc_enable_rrq_init(phba
, lpfc_enable_rrq
);
6330 lpfc_fdmi_on_init(phba
, lpfc_fdmi_on
);
6331 lpfc_enable_SmartSAN_init(phba
, lpfc_enable_SmartSAN
);
6332 lpfc_use_msi_init(phba
, lpfc_use_msi
);
6333 lpfc_nvme_oas_init(phba
, lpfc_nvme_oas
);
6334 lpfc_nvme_embed_cmd_init(phba
, lpfc_nvme_embed_cmd
);
6335 lpfc_auto_imax_init(phba
, lpfc_auto_imax
);
6336 lpfc_fcp_imax_init(phba
, lpfc_fcp_imax
);
6337 lpfc_fcp_cpu_map_init(phba
, lpfc_fcp_cpu_map
);
6338 lpfc_enable_hba_reset_init(phba
, lpfc_enable_hba_reset
);
6339 lpfc_enable_hba_heartbeat_init(phba
, lpfc_enable_hba_heartbeat
);
6341 lpfc_EnableXLane_init(phba
, lpfc_EnableXLane
);
6342 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
6343 phba
->cfg_EnableXLane
= 0;
6344 lpfc_XLanePriority_init(phba
, lpfc_XLanePriority
);
6346 memset(phba
->cfg_oas_tgt_wwpn
, 0, (8 * sizeof(uint8_t)));
6347 memset(phba
->cfg_oas_vpt_wwpn
, 0, (8 * sizeof(uint8_t)));
6348 phba
->cfg_oas_lun_state
= 0;
6349 phba
->cfg_oas_lun_status
= 0;
6350 phba
->cfg_oas_flags
= 0;
6351 phba
->cfg_oas_priority
= 0;
6352 lpfc_enable_bg_init(phba
, lpfc_enable_bg
);
6353 lpfc_prot_mask_init(phba
, lpfc_prot_mask
);
6354 lpfc_prot_guard_init(phba
, lpfc_prot_guard
);
6355 if (phba
->sli_rev
== LPFC_SLI_REV4
)
6358 phba
->cfg_poll
= lpfc_poll
;
6359 lpfc_suppress_rsp_init(phba
, lpfc_suppress_rsp
);
6361 lpfc_enable_fc4_type_init(phba
, lpfc_enable_fc4_type
);
6362 lpfc_nvmet_mrq_init(phba
, lpfc_nvmet_mrq
);
6364 /* Initialize first burst. Target vs Initiator are different. */
6365 lpfc_nvme_enable_fb_init(phba
, lpfc_nvme_enable_fb
);
6366 lpfc_nvmet_fb_size_init(phba
, lpfc_nvmet_fb_size
);
6367 lpfc_fcp_io_channel_init(phba
, lpfc_fcp_io_channel
);
6368 lpfc_nvme_io_channel_init(phba
, lpfc_nvme_io_channel
);
6369 lpfc_enable_bbcr_init(phba
, lpfc_enable_bbcr
);
6370 lpfc_enable_dpp_init(phba
, lpfc_enable_dpp
);
6372 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
6373 /* NVME only supported on SLI4 */
6374 phba
->nvmet_support
= 0;
6375 phba
->cfg_enable_fc4_type
= LPFC_ENABLE_FCP
;
6376 phba
->cfg_enable_bbcr
= 0;
6378 /* We MUST have FCP support */
6379 if (!(phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
))
6380 phba
->cfg_enable_fc4_type
|= LPFC_ENABLE_FCP
;
6383 if (phba
->cfg_auto_imax
&& !phba
->cfg_fcp_imax
)
6384 phba
->cfg_auto_imax
= 0;
6385 phba
->initial_imax
= phba
->cfg_fcp_imax
;
6387 /* A value of 0 means use the number of CPUs found in the system */
6388 if (phba
->cfg_fcp_io_channel
== 0)
6389 phba
->cfg_fcp_io_channel
= phba
->sli4_hba
.num_present_cpu
;
6390 if (phba
->cfg_nvme_io_channel
== 0)
6391 phba
->cfg_nvme_io_channel
= phba
->sli4_hba
.num_present_cpu
;
6393 if (phba
->cfg_enable_fc4_type
== LPFC_ENABLE_NVME
)
6394 phba
->cfg_fcp_io_channel
= 0;
6396 if (phba
->cfg_enable_fc4_type
== LPFC_ENABLE_FCP
)
6397 phba
->cfg_nvme_io_channel
= 0;
6399 if (phba
->cfg_fcp_io_channel
> phba
->cfg_nvme_io_channel
)
6400 phba
->io_channel_irqs
= phba
->cfg_fcp_io_channel
;
6402 phba
->io_channel_irqs
= phba
->cfg_nvme_io_channel
;
6404 phba
->cfg_soft_wwnn
= 0L;
6405 phba
->cfg_soft_wwpn
= 0L;
6406 lpfc_xri_split_init(phba
, lpfc_xri_split
);
6407 lpfc_sg_seg_cnt_init(phba
, lpfc_sg_seg_cnt
);
6408 lpfc_hba_queue_depth_init(phba
, lpfc_hba_queue_depth
);
6409 lpfc_hba_log_verbose_init(phba
, lpfc_log_verbose
);
6410 lpfc_aer_support_init(phba
, lpfc_aer_support
);
6411 lpfc_sriov_nr_virtfn_init(phba
, lpfc_sriov_nr_virtfn
);
6412 lpfc_request_firmware_upgrade_init(phba
, lpfc_req_fw_upgrade
);
6413 lpfc_suppress_link_up_init(phba
, lpfc_suppress_link_up
);
6414 lpfc_iocb_cnt_init(phba
, lpfc_iocb_cnt
);
6415 lpfc_delay_discovery_init(phba
, lpfc_delay_discovery
);
6416 lpfc_sli_mode_init(phba
, lpfc_sli_mode
);
6417 phba
->cfg_enable_dss
= 1;
6418 lpfc_enable_mds_diags_init(phba
, lpfc_enable_mds_diags
);
6423 * lpfc_nvme_mod_param_dep - Adjust module parameter value based on
6424 * dependencies between protocols and roles.
6425 * @phba: lpfc_hba pointer.
6428 lpfc_nvme_mod_param_dep(struct lpfc_hba
*phba
)
6430 if (phba
->cfg_nvme_io_channel
> phba
->sli4_hba
.num_present_cpu
)
6431 phba
->cfg_nvme_io_channel
= phba
->sli4_hba
.num_present_cpu
;
6433 if (phba
->cfg_fcp_io_channel
> phba
->sli4_hba
.num_present_cpu
)
6434 phba
->cfg_fcp_io_channel
= phba
->sli4_hba
.num_present_cpu
;
6436 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
&&
6437 phba
->nvmet_support
) {
6438 phba
->cfg_enable_fc4_type
&= ~LPFC_ENABLE_FCP
;
6439 phba
->cfg_fcp_io_channel
= 0;
6441 lpfc_printf_log(phba
, KERN_INFO
, LOG_NVME_DISC
,
6442 "6013 %s x%x fb_size x%x, fb_max x%x\n",
6443 "NVME Target PRLI ACC enable_fb ",
6444 phba
->cfg_nvme_enable_fb
,
6445 phba
->cfg_nvmet_fb_size
,
6446 LPFC_NVMET_FB_SZ_MAX
);
6448 if (phba
->cfg_nvme_enable_fb
== 0)
6449 phba
->cfg_nvmet_fb_size
= 0;
6451 if (phba
->cfg_nvmet_fb_size
> LPFC_NVMET_FB_SZ_MAX
)
6452 phba
->cfg_nvmet_fb_size
= LPFC_NVMET_FB_SZ_MAX
;
6455 if (!phba
->cfg_nvmet_mrq
)
6456 phba
->cfg_nvmet_mrq
= phba
->cfg_nvme_io_channel
;
6458 /* Adjust lpfc_nvmet_mrq to avoid running out of WQE slots */
6459 if (phba
->cfg_nvmet_mrq
> phba
->cfg_nvme_io_channel
) {
6460 phba
->cfg_nvmet_mrq
= phba
->cfg_nvme_io_channel
;
6461 lpfc_printf_log(phba
, KERN_ERR
, LOG_NVME_DISC
,
6462 "6018 Adjust lpfc_nvmet_mrq to %d\n",
6463 phba
->cfg_nvmet_mrq
);
6465 if (phba
->cfg_nvmet_mrq
> LPFC_NVMET_MRQ_MAX
)
6466 phba
->cfg_nvmet_mrq
= LPFC_NVMET_MRQ_MAX
;
6469 /* Not NVME Target mode. Turn off Target parameters. */
6470 phba
->nvmet_support
= 0;
6471 phba
->cfg_nvmet_mrq
= LPFC_NVMET_MRQ_OFF
;
6472 phba
->cfg_nvmet_fb_size
= 0;
6475 if (phba
->cfg_fcp_io_channel
> phba
->cfg_nvme_io_channel
)
6476 phba
->io_channel_irqs
= phba
->cfg_fcp_io_channel
;
6478 phba
->io_channel_irqs
= phba
->cfg_nvme_io_channel
;
6482 * lpfc_get_vport_cfgparam - Used during port create, init the vport structure
6483 * @vport: lpfc_vport pointer.
6486 lpfc_get_vport_cfgparam(struct lpfc_vport
*vport
)
6488 lpfc_log_verbose_init(vport
, lpfc_log_verbose
);
6489 lpfc_lun_queue_depth_init(vport
, lpfc_lun_queue_depth
);
6490 lpfc_tgt_queue_depth_init(vport
, lpfc_tgt_queue_depth
);
6491 lpfc_devloss_tmo_init(vport
, lpfc_devloss_tmo
);
6492 lpfc_nodev_tmo_init(vport
, lpfc_nodev_tmo
);
6493 lpfc_peer_port_login_init(vport
, lpfc_peer_port_login
);
6494 lpfc_restrict_login_init(vport
, lpfc_restrict_login
);
6495 lpfc_fcp_class_init(vport
, lpfc_fcp_class
);
6496 lpfc_use_adisc_init(vport
, lpfc_use_adisc
);
6497 lpfc_first_burst_size_init(vport
, lpfc_first_burst_size
);
6498 lpfc_max_scsicmpl_time_init(vport
, lpfc_max_scsicmpl_time
);
6499 lpfc_discovery_threads_init(vport
, lpfc_discovery_threads
);
6500 lpfc_max_luns_init(vport
, lpfc_max_luns
);
6501 lpfc_scan_down_init(vport
, lpfc_scan_down
);
6502 lpfc_enable_da_id_init(vport
, lpfc_enable_da_id
);