1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2011 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
22 #include <linux/ctype.h>
23 #include <linux/delay.h>
24 #include <linux/pci.h>
25 #include <linux/interrupt.h>
26 #include <linux/aer.h>
27 #include <linux/gfp.h>
28 #include <linux/kernel.h>
30 #include <scsi/scsi.h>
31 #include <scsi/scsi_device.h>
32 #include <scsi/scsi_host.h>
33 #include <scsi/scsi_tcq.h>
34 #include <scsi/scsi_transport_fc.h>
35 #include <scsi/fc/fc_fs.h>
40 #include "lpfc_sli4.h"
42 #include "lpfc_disc.h"
43 #include "lpfc_scsi.h"
45 #include "lpfc_logmsg.h"
46 #include "lpfc_version.h"
47 #include "lpfc_compat.h"
48 #include "lpfc_crtn.h"
49 #include "lpfc_vport.h"
51 #define LPFC_DEF_DEVLOSS_TMO 30
52 #define LPFC_MIN_DEVLOSS_TMO 1
53 #define LPFC_MAX_DEVLOSS_TMO 255
56 * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules
57 * @incr: integer to convert.
58 * @hdw: ascii string holding converted integer plus a string terminator.
61 * JEDEC Joint Electron Device Engineering Council.
62 * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii
63 * character string. The string is then terminated with a NULL in byte 9.
64 * Hex 0-9 becomes ascii '0' to '9'.
65 * Hex a-f becomes ascii '=' to 'B' capital B.
68 * Coded for 32 bit integers only.
71 lpfc_jedec_to_ascii(int incr
, char hdw
[])
74 for (i
= 0; i
< 8; i
++) {
77 hdw
[7 - i
] = 0x30 + j
;
79 hdw
[7 - i
] = 0x61 + j
- 10;
87 * lpfc_drvr_version_show - Return the Emulex driver string with version number
88 * @dev: class unused variable.
89 * @attr: device attribute, not used.
90 * @buf: on return contains the module description text.
92 * Returns: size of formatted string.
95 lpfc_drvr_version_show(struct device
*dev
, struct device_attribute
*attr
,
98 return snprintf(buf
, PAGE_SIZE
, LPFC_MODULE_DESC
"\n");
102 * lpfc_enable_fip_show - Return the fip mode of the HBA
103 * @dev: class unused variable.
104 * @attr: device attribute, not used.
105 * @buf: on return contains the module description text.
107 * Returns: size of formatted string.
110 lpfc_enable_fip_show(struct device
*dev
, struct device_attribute
*attr
,
113 struct Scsi_Host
*shost
= class_to_shost(dev
);
114 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
115 struct lpfc_hba
*phba
= vport
->phba
;
117 if (phba
->hba_flag
& HBA_FIP_SUPPORT
)
118 return snprintf(buf
, PAGE_SIZE
, "1\n");
120 return snprintf(buf
, PAGE_SIZE
, "0\n");
124 lpfc_bg_info_show(struct device
*dev
, struct device_attribute
*attr
,
127 struct Scsi_Host
*shost
= class_to_shost(dev
);
128 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
129 struct lpfc_hba
*phba
= vport
->phba
;
131 if (phba
->cfg_enable_bg
)
132 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
133 return snprintf(buf
, PAGE_SIZE
, "BlockGuard Enabled\n");
135 return snprintf(buf
, PAGE_SIZE
,
136 "BlockGuard Not Supported\n");
138 return snprintf(buf
, PAGE_SIZE
,
139 "BlockGuard Disabled\n");
143 lpfc_bg_guard_err_show(struct device
*dev
, struct device_attribute
*attr
,
146 struct Scsi_Host
*shost
= class_to_shost(dev
);
147 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
148 struct lpfc_hba
*phba
= vport
->phba
;
150 return snprintf(buf
, PAGE_SIZE
, "%llu\n",
151 (unsigned long long)phba
->bg_guard_err_cnt
);
155 lpfc_bg_apptag_err_show(struct device
*dev
, struct device_attribute
*attr
,
158 struct Scsi_Host
*shost
= class_to_shost(dev
);
159 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
160 struct lpfc_hba
*phba
= vport
->phba
;
162 return snprintf(buf
, PAGE_SIZE
, "%llu\n",
163 (unsigned long long)phba
->bg_apptag_err_cnt
);
167 lpfc_bg_reftag_err_show(struct device
*dev
, struct device_attribute
*attr
,
170 struct Scsi_Host
*shost
= class_to_shost(dev
);
171 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
172 struct lpfc_hba
*phba
= vport
->phba
;
174 return snprintf(buf
, PAGE_SIZE
, "%llu\n",
175 (unsigned long long)phba
->bg_reftag_err_cnt
);
179 * lpfc_info_show - Return some pci info about the host in ascii
180 * @dev: class converted to a Scsi_host structure.
181 * @attr: device attribute, not used.
182 * @buf: on return contains the formatted text from lpfc_info().
184 * Returns: size of formatted string.
187 lpfc_info_show(struct device
*dev
, struct device_attribute
*attr
,
190 struct Scsi_Host
*host
= class_to_shost(dev
);
192 return snprintf(buf
, PAGE_SIZE
, "%s\n",lpfc_info(host
));
196 * lpfc_serialnum_show - Return the hba serial number in ascii
197 * @dev: class converted to a Scsi_host structure.
198 * @attr: device attribute, not used.
199 * @buf: on return contains the formatted text serial number.
201 * Returns: size of formatted string.
204 lpfc_serialnum_show(struct device
*dev
, struct device_attribute
*attr
,
207 struct Scsi_Host
*shost
= class_to_shost(dev
);
208 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
209 struct lpfc_hba
*phba
= vport
->phba
;
211 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->SerialNumber
);
215 * lpfc_temp_sensor_show - Return the temperature sensor level
216 * @dev: class converted to a Scsi_host structure.
217 * @attr: device attribute, not used.
218 * @buf: on return contains the formatted support level.
221 * Returns a number indicating the temperature sensor level currently
222 * supported, zero or one in ascii.
224 * Returns: size of formatted string.
227 lpfc_temp_sensor_show(struct device
*dev
, struct device_attribute
*attr
,
230 struct Scsi_Host
*shost
= class_to_shost(dev
);
231 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
232 struct lpfc_hba
*phba
= vport
->phba
;
233 return snprintf(buf
, PAGE_SIZE
, "%d\n",phba
->temp_sensor_support
);
237 * lpfc_modeldesc_show - Return the model description of the hba
238 * @dev: class converted to a Scsi_host structure.
239 * @attr: device attribute, not used.
240 * @buf: on return contains the scsi vpd model description.
242 * Returns: size of formatted string.
245 lpfc_modeldesc_show(struct device
*dev
, struct device_attribute
*attr
,
248 struct Scsi_Host
*shost
= class_to_shost(dev
);
249 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
250 struct lpfc_hba
*phba
= vport
->phba
;
252 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->ModelDesc
);
256 * lpfc_modelname_show - Return the model name of the hba
257 * @dev: class converted to a Scsi_host structure.
258 * @attr: device attribute, not used.
259 * @buf: on return contains the scsi vpd model name.
261 * Returns: size of formatted string.
264 lpfc_modelname_show(struct device
*dev
, struct device_attribute
*attr
,
267 struct Scsi_Host
*shost
= class_to_shost(dev
);
268 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
269 struct lpfc_hba
*phba
= vport
->phba
;
271 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->ModelName
);
275 * lpfc_programtype_show - Return the program type of the hba
276 * @dev: class converted to a Scsi_host structure.
277 * @attr: device attribute, not used.
278 * @buf: on return contains the scsi vpd program type.
280 * Returns: size of formatted string.
283 lpfc_programtype_show(struct device
*dev
, struct device_attribute
*attr
,
286 struct Scsi_Host
*shost
= class_to_shost(dev
);
287 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
288 struct lpfc_hba
*phba
= vport
->phba
;
290 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->ProgramType
);
294 * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag
295 * @dev: class converted to a Scsi_host structure.
296 * @attr: device attribute, not used.
297 * @buf: on return contains the Menlo Maintenance sli flag.
299 * Returns: size of formatted string.
302 lpfc_mlomgmt_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
304 struct Scsi_Host
*shost
= class_to_shost(dev
);
305 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
306 struct lpfc_hba
*phba
= vport
->phba
;
308 return snprintf(buf
, PAGE_SIZE
, "%d\n",
309 (phba
->sli
.sli_flag
& LPFC_MENLO_MAINT
));
313 * lpfc_vportnum_show - Return the port number in ascii of the hba
314 * @dev: class converted to a Scsi_host structure.
315 * @attr: device attribute, not used.
316 * @buf: on return contains scsi vpd program type.
318 * Returns: size of formatted string.
321 lpfc_vportnum_show(struct device
*dev
, struct device_attribute
*attr
,
324 struct Scsi_Host
*shost
= class_to_shost(dev
);
325 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
326 struct lpfc_hba
*phba
= vport
->phba
;
328 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->Port
);
332 * lpfc_fwrev_show - Return the firmware rev running in the hba
333 * @dev: class converted to a Scsi_host structure.
334 * @attr: device attribute, not used.
335 * @buf: on return contains the scsi vpd program type.
337 * Returns: size of formatted string.
340 lpfc_fwrev_show(struct device
*dev
, struct device_attribute
*attr
,
343 struct Scsi_Host
*shost
= class_to_shost(dev
);
344 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
345 struct lpfc_hba
*phba
= vport
->phba
;
348 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
349 return snprintf(buf
, PAGE_SIZE
, "%s, sli-%d\n", fwrev
, phba
->sli_rev
);
353 * lpfc_hdw_show - Return the jedec information about the hba
354 * @dev: class converted to a Scsi_host structure.
355 * @attr: device attribute, not used.
356 * @buf: on return contains the scsi vpd program type.
358 * Returns: size of formatted string.
361 lpfc_hdw_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
364 struct Scsi_Host
*shost
= class_to_shost(dev
);
365 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
366 struct lpfc_hba
*phba
= vport
->phba
;
367 lpfc_vpd_t
*vp
= &phba
->vpd
;
369 lpfc_jedec_to_ascii(vp
->rev
.biuRev
, hdw
);
370 return snprintf(buf
, PAGE_SIZE
, "%s\n", hdw
);
374 * lpfc_option_rom_version_show - Return the adapter ROM FCode version
375 * @dev: class converted to a Scsi_host structure.
376 * @attr: device attribute, not used.
377 * @buf: on return contains the ROM and FCode ascii strings.
379 * Returns: size of formatted string.
382 lpfc_option_rom_version_show(struct device
*dev
, struct device_attribute
*attr
,
385 struct Scsi_Host
*shost
= class_to_shost(dev
);
386 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
387 struct lpfc_hba
*phba
= vport
->phba
;
389 return snprintf(buf
, PAGE_SIZE
, "%s\n", phba
->OptionROMVersion
);
393 * lpfc_state_show - Return the link state of the port
394 * @dev: class converted to a Scsi_host structure.
395 * @attr: device attribute, not used.
396 * @buf: on return contains text describing the state of the link.
399 * The switch statement has no default so zero will be returned.
401 * Returns: size of formatted string.
404 lpfc_link_state_show(struct device
*dev
, struct device_attribute
*attr
,
407 struct Scsi_Host
*shost
= class_to_shost(dev
);
408 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
409 struct lpfc_hba
*phba
= vport
->phba
;
412 switch (phba
->link_state
) {
413 case LPFC_LINK_UNKNOWN
:
414 case LPFC_WARM_START
:
415 case LPFC_INIT_START
:
416 case LPFC_INIT_MBX_CMDS
:
419 if (phba
->hba_flag
& LINK_DISABLED
)
420 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
421 "Link Down - User disabled\n");
423 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
429 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
, "Link Up - ");
431 switch (vport
->port_state
) {
432 case LPFC_LOCAL_CFG_LINK
:
433 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
434 "Configuring Link\n");
438 case LPFC_FABRIC_CFG_LINK
:
441 case LPFC_BUILD_DISC_LIST
:
443 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
446 case LPFC_VPORT_READY
:
447 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, "Ready\n");
450 case LPFC_VPORT_FAILED
:
451 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, "Failed\n");
454 case LPFC_VPORT_UNKNOWN
:
455 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
459 if (phba
->sli
.sli_flag
& LPFC_MENLO_MAINT
)
460 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
461 " Menlo Maint Mode\n");
462 else if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
463 if (vport
->fc_flag
& FC_PUBLIC_LOOP
)
464 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
467 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
470 if (vport
->fc_flag
& FC_FABRIC
)
471 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
474 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
483 * lpfc_link_state_store - Transition the link_state on an HBA port
484 * @dev: class device that is converted into a Scsi_host.
485 * @attr: device attribute, not used.
486 * @buf: one or more lpfc_polling_flags values.
490 * -EINVAL if the buffer is not "up" or "down"
491 * return from link state change function if non-zero
492 * length of the buf on success
495 lpfc_link_state_store(struct device
*dev
, struct device_attribute
*attr
,
496 const char *buf
, size_t count
)
498 struct Scsi_Host
*shost
= class_to_shost(dev
);
499 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
500 struct lpfc_hba
*phba
= vport
->phba
;
502 int status
= -EINVAL
;
504 if ((strncmp(buf
, "up", sizeof("up") - 1) == 0) &&
505 (phba
->link_state
== LPFC_LINK_DOWN
))
506 status
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
507 else if ((strncmp(buf
, "down", sizeof("down") - 1) == 0) &&
508 (phba
->link_state
>= LPFC_LINK_UP
))
509 status
= phba
->lpfc_hba_down_link(phba
, MBX_NOWAIT
);
518 * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports
519 * @dev: class device that is converted into a Scsi_host.
520 * @attr: device attribute, not used.
521 * @buf: on return contains the sum of fc mapped and unmapped.
524 * Returns the ascii text number of the sum of the fc mapped and unmapped
527 * Returns: size of formatted string.
530 lpfc_num_discovered_ports_show(struct device
*dev
,
531 struct device_attribute
*attr
, char *buf
)
533 struct Scsi_Host
*shost
= class_to_shost(dev
);
534 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
536 return snprintf(buf
, PAGE_SIZE
, "%d\n",
537 vport
->fc_map_cnt
+ vport
->fc_unmap_cnt
);
541 * lpfc_issue_lip - Misnomer, name carried over from long ago
542 * @shost: Scsi_Host pointer.
545 * Bring the link down gracefully then re-init the link. The firmware will
546 * re-init the fiber channel interface as required. Does not issue a LIP.
549 * -EPERM port offline or management commands are being blocked
550 * -ENOMEM cannot allocate memory for the mailbox command
551 * -EIO error sending the mailbox command
555 lpfc_issue_lip(struct Scsi_Host
*shost
)
557 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
558 struct lpfc_hba
*phba
= vport
->phba
;
559 LPFC_MBOXQ_t
*pmboxq
;
560 int mbxstatus
= MBXERR_ERROR
;
562 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
563 (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
))
566 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,GFP_KERNEL
);
571 memset((void *)pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
572 pmboxq
->u
.mb
.mbxCommand
= MBX_DOWN_LINK
;
573 pmboxq
->u
.mb
.mbxOwner
= OWN_HOST
;
575 mbxstatus
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, LPFC_MBOX_TMO
* 2);
577 if ((mbxstatus
== MBX_SUCCESS
) &&
578 (pmboxq
->u
.mb
.mbxStatus
== 0 ||
579 pmboxq
->u
.mb
.mbxStatus
== MBXERR_LINK_DOWN
)) {
580 memset((void *)pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
581 lpfc_init_link(phba
, pmboxq
, phba
->cfg_topology
,
582 phba
->cfg_link_speed
);
583 mbxstatus
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
,
585 if ((mbxstatus
== MBX_SUCCESS
) &&
586 (pmboxq
->u
.mb
.mbxStatus
== MBXERR_SEC_NO_PERMISSION
))
587 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
588 "2859 SLI authentication is required "
589 "for INIT_LINK but has not done yet\n");
592 lpfc_set_loopback_flag(phba
);
593 if (mbxstatus
!= MBX_TIMEOUT
)
594 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
596 if (mbxstatus
== MBXERR_ERROR
)
603 * lpfc_do_offline - Issues a mailbox command to bring the link down
604 * @phba: lpfc_hba pointer.
605 * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL.
608 * Assumes any error from lpfc_do_offline() will be negative.
609 * Can wait up to 5 seconds for the port ring buffers count
610 * to reach zero, prints a warning if it is not zero and continues.
611 * lpfc_workq_post_event() returns a non-zero return code if call fails.
614 * -EIO error posting the event
618 lpfc_do_offline(struct lpfc_hba
*phba
, uint32_t type
)
620 struct completion online_compl
;
621 struct lpfc_sli_ring
*pring
;
622 struct lpfc_sli
*psli
;
628 init_completion(&online_compl
);
629 rc
= lpfc_workq_post_event(phba
, &status
, &online_compl
,
630 LPFC_EVT_OFFLINE_PREP
);
634 wait_for_completion(&online_compl
);
641 /* Wait a little for things to settle down, but not
642 * long enough for dev loss timeout to expire.
644 for (i
= 0; i
< psli
->num_rings
; i
++) {
645 pring
= &psli
->ring
[i
];
646 while (pring
->txcmplq_cnt
) {
648 if (cnt
++ > 500) { /* 5 secs */
649 lpfc_printf_log(phba
,
650 KERN_WARNING
, LOG_INIT
,
651 "0466 Outstanding IO when "
652 "bringing Adapter offline\n");
658 init_completion(&online_compl
);
659 rc
= lpfc_workq_post_event(phba
, &status
, &online_compl
, type
);
663 wait_for_completion(&online_compl
);
672 * lpfc_selective_reset - Offline then onlines the port
673 * @phba: lpfc_hba pointer.
676 * If the port is configured to allow a reset then the hba is brought
677 * offline then online.
680 * Assumes any error from lpfc_do_offline() will be negative.
681 * Do not make this function static.
684 * lpfc_do_offline() return code if not zero
685 * -EIO reset not configured or error posting the event
689 lpfc_selective_reset(struct lpfc_hba
*phba
)
691 struct completion online_compl
;
695 if (!phba
->cfg_enable_hba_reset
)
698 status
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
703 init_completion(&online_compl
);
704 rc
= lpfc_workq_post_event(phba
, &status
, &online_compl
,
709 wait_for_completion(&online_compl
);
718 * lpfc_issue_reset - Selectively resets an adapter
719 * @dev: class device that is converted into a Scsi_host.
720 * @attr: device attribute, not used.
721 * @buf: containing the string "selective".
722 * @count: unused variable.
725 * If the buf contains the string "selective" then lpfc_selective_reset()
726 * is called to perform the reset.
729 * Assumes any error from lpfc_selective_reset() will be negative.
730 * If lpfc_selective_reset() returns zero then the length of the buffer
731 * is returned which indicates success
734 * -EINVAL if the buffer does not contain the string "selective"
735 * length of buf if lpfc-selective_reset() if the call succeeds
736 * return value of lpfc_selective_reset() if the call fails
739 lpfc_issue_reset(struct device
*dev
, struct device_attribute
*attr
,
740 const char *buf
, size_t count
)
742 struct Scsi_Host
*shost
= class_to_shost(dev
);
743 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
744 struct lpfc_hba
*phba
= vport
->phba
;
746 int status
= -EINVAL
;
748 if (strncmp(buf
, "selective", sizeof("selective") - 1) == 0)
749 status
= phba
->lpfc_selective_reset(phba
);
758 * lpfc_nport_evt_cnt_show - Return the number of nport events
759 * @dev: class device that is converted into a Scsi_host.
760 * @attr: device attribute, not used.
761 * @buf: on return contains the ascii number of nport events.
763 * Returns: size of formatted string.
766 lpfc_nport_evt_cnt_show(struct device
*dev
, struct device_attribute
*attr
,
769 struct Scsi_Host
*shost
= class_to_shost(dev
);
770 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
771 struct lpfc_hba
*phba
= vport
->phba
;
773 return snprintf(buf
, PAGE_SIZE
, "%d\n", phba
->nport_event_cnt
);
777 * lpfc_board_mode_show - Return the state of the board
778 * @dev: class device that is converted into a Scsi_host.
779 * @attr: device attribute, not used.
780 * @buf: on return contains the state of the adapter.
782 * Returns: size of formatted string.
785 lpfc_board_mode_show(struct device
*dev
, struct device_attribute
*attr
,
788 struct Scsi_Host
*shost
= class_to_shost(dev
);
789 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
790 struct lpfc_hba
*phba
= vport
->phba
;
793 if (phba
->link_state
== LPFC_HBA_ERROR
)
795 else if (phba
->link_state
== LPFC_WARM_START
)
796 state
= "warm start";
797 else if (phba
->link_state
== LPFC_INIT_START
)
802 return snprintf(buf
, PAGE_SIZE
, "%s\n", state
);
806 * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state
807 * @dev: class device that is converted into a Scsi_host.
808 * @attr: device attribute, not used.
809 * @buf: containing one of the strings "online", "offline", "warm" or "error".
810 * @count: unused variable.
813 * -EACCES if enable hba reset not enabled
814 * -EINVAL if the buffer does not contain a valid string (see above)
815 * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails
816 * buf length greater than zero indicates success
819 lpfc_board_mode_store(struct device
*dev
, struct device_attribute
*attr
,
820 const char *buf
, size_t count
)
822 struct Scsi_Host
*shost
= class_to_shost(dev
);
823 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
824 struct lpfc_hba
*phba
= vport
->phba
;
825 struct completion online_compl
;
829 if (!phba
->cfg_enable_hba_reset
)
831 init_completion(&online_compl
);
833 if(strncmp(buf
, "online", sizeof("online") - 1) == 0) {
834 rc
= lpfc_workq_post_event(phba
, &status
, &online_compl
,
838 wait_for_completion(&online_compl
);
839 } else if (strncmp(buf
, "offline", sizeof("offline") - 1) == 0)
840 status
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
841 else if (strncmp(buf
, "warm", sizeof("warm") - 1) == 0)
842 if (phba
->sli_rev
== LPFC_SLI_REV4
)
845 status
= lpfc_do_offline(phba
, LPFC_EVT_WARM_START
);
846 else if (strncmp(buf
, "error", sizeof("error") - 1) == 0)
847 if (phba
->sli_rev
== LPFC_SLI_REV4
)
850 status
= lpfc_do_offline(phba
, LPFC_EVT_KILL
);
861 * lpfc_get_hba_info - Return various bits of informaton about the adapter
862 * @phba: pointer to the adapter structure.
863 * @mxri: max xri count.
864 * @axri: available xri count.
865 * @mrpi: max rpi count.
866 * @arpi: available rpi count.
867 * @mvpi: max vpi count.
868 * @avpi: available vpi count.
871 * If an integer pointer for an count is not null then the value for the
879 lpfc_get_hba_info(struct lpfc_hba
*phba
,
880 uint32_t *mxri
, uint32_t *axri
,
881 uint32_t *mrpi
, uint32_t *arpi
,
882 uint32_t *mvpi
, uint32_t *avpi
)
884 struct lpfc_mbx_read_config
*rd_config
;
885 LPFC_MBOXQ_t
*pmboxq
;
891 * prevent udev from issuing mailbox commands until the port is
894 if (phba
->link_state
< LPFC_LINK_DOWN
||
895 !phba
->mbox_mem_pool
||
896 (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
) == 0)
899 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
902 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
905 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
908 pmb
->mbxCommand
= MBX_READ_CONFIG
;
909 pmb
->mbxOwner
= OWN_HOST
;
910 pmboxq
->context1
= NULL
;
912 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
913 rc
= MBX_NOT_FINISHED
;
915 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
917 if (rc
!= MBX_SUCCESS
) {
918 if (rc
!= MBX_TIMEOUT
)
919 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
923 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
924 rd_config
= &pmboxq
->u
.mqe
.un
.rd_config
;
926 *mrpi
= bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
928 *arpi
= bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
) -
929 phba
->sli4_hba
.max_cfg_param
.rpi_used
;
931 *mxri
= bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
933 *axri
= bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
) -
934 phba
->sli4_hba
.max_cfg_param
.xri_used
;
936 /* Account for differences with SLI-3. Get vpi count from
937 * mailbox data and subtract one for max vpi value.
939 max_vpi
= (bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
) > 0) ?
940 (bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
) - 1) : 0;
945 *avpi
= max_vpi
- phba
->sli4_hba
.max_cfg_param
.vpi_used
;
948 *mrpi
= pmb
->un
.varRdConfig
.max_rpi
;
950 *arpi
= pmb
->un
.varRdConfig
.avail_rpi
;
952 *mxri
= pmb
->un
.varRdConfig
.max_xri
;
954 *axri
= pmb
->un
.varRdConfig
.avail_xri
;
956 *mvpi
= pmb
->un
.varRdConfig
.max_vpi
;
958 *avpi
= pmb
->un
.varRdConfig
.avail_vpi
;
961 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
966 * lpfc_max_rpi_show - Return maximum rpi
967 * @dev: class device that is converted into a Scsi_host.
968 * @attr: device attribute, not used.
969 * @buf: on return contains the maximum rpi count in decimal or "Unknown".
972 * Calls lpfc_get_hba_info() asking for just the mrpi count.
973 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
974 * to "Unknown" and the buffer length is returned, therefore the caller
975 * must check for "Unknown" in the buffer to detect a failure.
977 * Returns: size of formatted string.
980 lpfc_max_rpi_show(struct device
*dev
, struct device_attribute
*attr
,
983 struct Scsi_Host
*shost
= class_to_shost(dev
);
984 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
985 struct lpfc_hba
*phba
= vport
->phba
;
988 if (lpfc_get_hba_info(phba
, NULL
, NULL
, &cnt
, NULL
, NULL
, NULL
))
989 return snprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
990 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
994 * lpfc_used_rpi_show - Return maximum rpi minus available rpi
995 * @dev: class device that is converted into a Scsi_host.
996 * @attr: device attribute, not used.
997 * @buf: containing the used rpi count in decimal or "Unknown".
1000 * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts.
1001 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1002 * to "Unknown" and the buffer length is returned, therefore the caller
1003 * must check for "Unknown" in the buffer to detect a failure.
1005 * Returns: size of formatted string.
1008 lpfc_used_rpi_show(struct device
*dev
, struct device_attribute
*attr
,
1011 struct Scsi_Host
*shost
= class_to_shost(dev
);
1012 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1013 struct lpfc_hba
*phba
= vport
->phba
;
1016 if (lpfc_get_hba_info(phba
, NULL
, NULL
, &cnt
, &acnt
, NULL
, NULL
))
1017 return snprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
1018 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
1022 * lpfc_max_xri_show - Return maximum xri
1023 * @dev: class device that is converted into a Scsi_host.
1024 * @attr: device attribute, not used.
1025 * @buf: on return contains the maximum xri count in decimal or "Unknown".
1028 * Calls lpfc_get_hba_info() asking for just the mrpi count.
1029 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1030 * to "Unknown" and the buffer length is returned, therefore the caller
1031 * must check for "Unknown" in the buffer to detect a failure.
1033 * Returns: size of formatted string.
1036 lpfc_max_xri_show(struct device
*dev
, struct device_attribute
*attr
,
1039 struct Scsi_Host
*shost
= class_to_shost(dev
);
1040 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1041 struct lpfc_hba
*phba
= vport
->phba
;
1044 if (lpfc_get_hba_info(phba
, &cnt
, NULL
, NULL
, NULL
, NULL
, NULL
))
1045 return snprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
1046 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
1050 * lpfc_used_xri_show - Return maximum xpi minus the available xpi
1051 * @dev: class device that is converted into a Scsi_host.
1052 * @attr: device attribute, not used.
1053 * @buf: on return contains the used xri count in decimal or "Unknown".
1056 * Calls lpfc_get_hba_info() asking for just the mxri and axri counts.
1057 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1058 * to "Unknown" and the buffer length is returned, therefore the caller
1059 * must check for "Unknown" in the buffer to detect a failure.
1061 * Returns: size of formatted string.
1064 lpfc_used_xri_show(struct device
*dev
, struct device_attribute
*attr
,
1067 struct Scsi_Host
*shost
= class_to_shost(dev
);
1068 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1069 struct lpfc_hba
*phba
= vport
->phba
;
1072 if (lpfc_get_hba_info(phba
, &cnt
, &acnt
, NULL
, NULL
, NULL
, NULL
))
1073 return snprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
1074 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
1078 * lpfc_max_vpi_show - Return maximum vpi
1079 * @dev: class device that is converted into a Scsi_host.
1080 * @attr: device attribute, not used.
1081 * @buf: on return contains the maximum vpi count in decimal or "Unknown".
1084 * Calls lpfc_get_hba_info() asking for just the mvpi count.
1085 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1086 * to "Unknown" and the buffer length is returned, therefore the caller
1087 * must check for "Unknown" in the buffer to detect a failure.
1089 * Returns: size of formatted string.
1092 lpfc_max_vpi_show(struct device
*dev
, struct device_attribute
*attr
,
1095 struct Scsi_Host
*shost
= class_to_shost(dev
);
1096 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1097 struct lpfc_hba
*phba
= vport
->phba
;
1100 if (lpfc_get_hba_info(phba
, NULL
, NULL
, NULL
, NULL
, &cnt
, NULL
))
1101 return snprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
1102 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
1106 * lpfc_used_vpi_show - Return maximum vpi minus the available vpi
1107 * @dev: class device that is converted into a Scsi_host.
1108 * @attr: device attribute, not used.
1109 * @buf: on return contains the used vpi count in decimal or "Unknown".
1112 * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts.
1113 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1114 * to "Unknown" and the buffer length is returned, therefore the caller
1115 * must check for "Unknown" in the buffer to detect a failure.
1117 * Returns: size of formatted string.
1120 lpfc_used_vpi_show(struct device
*dev
, struct device_attribute
*attr
,
1123 struct Scsi_Host
*shost
= class_to_shost(dev
);
1124 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1125 struct lpfc_hba
*phba
= vport
->phba
;
1128 if (lpfc_get_hba_info(phba
, NULL
, NULL
, NULL
, NULL
, &cnt
, &acnt
))
1129 return snprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
1130 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
1134 * lpfc_npiv_info_show - Return text about NPIV support for the adapter
1135 * @dev: class device that is converted into a Scsi_host.
1136 * @attr: device attribute, not used.
1137 * @buf: text that must be interpreted to determine if npiv is supported.
1140 * Buffer will contain text indicating npiv is not suppoerted on the port,
1141 * the port is an NPIV physical port, or it is an npiv virtual port with
1142 * the id of the vport.
1144 * Returns: size of formatted string.
1147 lpfc_npiv_info_show(struct device
*dev
, struct device_attribute
*attr
,
1150 struct Scsi_Host
*shost
= class_to_shost(dev
);
1151 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1152 struct lpfc_hba
*phba
= vport
->phba
;
1154 if (!(phba
->max_vpi
))
1155 return snprintf(buf
, PAGE_SIZE
, "NPIV Not Supported\n");
1156 if (vport
->port_type
== LPFC_PHYSICAL_PORT
)
1157 return snprintf(buf
, PAGE_SIZE
, "NPIV Physical\n");
1158 return snprintf(buf
, PAGE_SIZE
, "NPIV Virtual (VPI %d)\n", vport
->vpi
);
1162 * lpfc_poll_show - Return text about poll support for the adapter
1163 * @dev: class device that is converted into a Scsi_host.
1164 * @attr: device attribute, not used.
1165 * @buf: on return contains the cfg_poll in hex.
1168 * cfg_poll should be a lpfc_polling_flags type.
1170 * Returns: size of formatted string.
1173 lpfc_poll_show(struct device
*dev
, struct device_attribute
*attr
,
1176 struct Scsi_Host
*shost
= class_to_shost(dev
);
1177 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1178 struct lpfc_hba
*phba
= vport
->phba
;
1180 return snprintf(buf
, PAGE_SIZE
, "%#x\n", phba
->cfg_poll
);
1184 * lpfc_poll_store - Set the value of cfg_poll for the adapter
1185 * @dev: class device that is converted into a Scsi_host.
1186 * @attr: device attribute, not used.
1187 * @buf: one or more lpfc_polling_flags values.
1191 * buf contents converted to integer and checked for a valid value.
1194 * -EINVAL if the buffer connot be converted or is out of range
1195 * length of the buf on success
1198 lpfc_poll_store(struct device
*dev
, struct device_attribute
*attr
,
1199 const char *buf
, size_t count
)
1201 struct Scsi_Host
*shost
= class_to_shost(dev
);
1202 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1203 struct lpfc_hba
*phba
= vport
->phba
;
1208 if (!isdigit(buf
[0]))
1211 if (sscanf(buf
, "%i", &val
) != 1)
1214 if ((val
& 0x3) != val
)
1217 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1220 spin_lock_irq(&phba
->hbalock
);
1222 old_val
= phba
->cfg_poll
;
1224 if (val
& ENABLE_FCP_RING_POLLING
) {
1225 if ((val
& DISABLE_FCP_RING_INT
) &&
1226 !(old_val
& DISABLE_FCP_RING_INT
)) {
1227 if (lpfc_readl(phba
->HCregaddr
, &creg_val
)) {
1228 spin_unlock_irq(&phba
->hbalock
);
1231 creg_val
&= ~(HC_R0INT_ENA
<< LPFC_FCP_RING
);
1232 writel(creg_val
, phba
->HCregaddr
);
1233 readl(phba
->HCregaddr
); /* flush */
1235 lpfc_poll_start_timer(phba
);
1237 } else if (val
!= 0x0) {
1238 spin_unlock_irq(&phba
->hbalock
);
1242 if (!(val
& DISABLE_FCP_RING_INT
) &&
1243 (old_val
& DISABLE_FCP_RING_INT
))
1245 spin_unlock_irq(&phba
->hbalock
);
1246 del_timer(&phba
->fcp_poll_timer
);
1247 spin_lock_irq(&phba
->hbalock
);
1248 if (lpfc_readl(phba
->HCregaddr
, &creg_val
)) {
1249 spin_unlock_irq(&phba
->hbalock
);
1252 creg_val
|= (HC_R0INT_ENA
<< LPFC_FCP_RING
);
1253 writel(creg_val
, phba
->HCregaddr
);
1254 readl(phba
->HCregaddr
); /* flush */
1257 phba
->cfg_poll
= val
;
1259 spin_unlock_irq(&phba
->hbalock
);
1265 * lpfc_fips_level_show - Return the current FIPS level for the HBA
1266 * @dev: class unused variable.
1267 * @attr: device attribute, not used.
1268 * @buf: on return contains the module description text.
1270 * Returns: size of formatted string.
1273 lpfc_fips_level_show(struct device
*dev
, struct device_attribute
*attr
,
1276 struct Scsi_Host
*shost
= class_to_shost(dev
);
1277 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1278 struct lpfc_hba
*phba
= vport
->phba
;
1280 return snprintf(buf
, PAGE_SIZE
, "%d\n", phba
->fips_level
);
1284 * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA
1285 * @dev: class unused variable.
1286 * @attr: device attribute, not used.
1287 * @buf: on return contains the module description text.
1289 * Returns: size of formatted string.
1292 lpfc_fips_rev_show(struct device
*dev
, struct device_attribute
*attr
,
1295 struct Scsi_Host
*shost
= class_to_shost(dev
);
1296 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1297 struct lpfc_hba
*phba
= vport
->phba
;
1299 return snprintf(buf
, PAGE_SIZE
, "%d\n", phba
->fips_spec_rev
);
1303 * lpfc_dss_show - Return the current state of dss and the configured state
1304 * @dev: class converted to a Scsi_host structure.
1305 * @attr: device attribute, not used.
1306 * @buf: on return contains the formatted text.
1308 * Returns: size of formatted string.
1311 lpfc_dss_show(struct device
*dev
, struct device_attribute
*attr
,
1314 struct Scsi_Host
*shost
= class_to_shost(dev
);
1315 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1316 struct lpfc_hba
*phba
= vport
->phba
;
1318 return snprintf(buf
, PAGE_SIZE
, "%s - %sOperational\n",
1319 (phba
->cfg_enable_dss
) ? "Enabled" : "Disabled",
1320 (phba
->sli3_options
& LPFC_SLI3_DSS_ENABLED
) ?
1325 * lpfc_param_show - Return a cfg attribute value in decimal
1328 * Macro that given an attr e.g. hba_queue_depth expands
1329 * into a function with the name lpfc_hba_queue_depth_show.
1331 * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field.
1332 * @dev: class device that is converted into a Scsi_host.
1333 * @attr: device attribute, not used.
1334 * @buf: on return contains the attribute value in decimal.
1336 * Returns: size of formatted string.
1338 #define lpfc_param_show(attr) \
1340 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1343 struct Scsi_Host *shost = class_to_shost(dev);\
1344 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1345 struct lpfc_hba *phba = vport->phba;\
1347 val = phba->cfg_##attr;\
1348 return snprintf(buf, PAGE_SIZE, "%d\n",\
1353 * lpfc_param_hex_show - Return a cfg attribute value in hex
1356 * Macro that given an attr e.g. hba_queue_depth expands
1357 * into a function with the name lpfc_hba_queue_depth_show
1359 * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field.
1360 * @dev: class device that is converted into a Scsi_host.
1361 * @attr: device attribute, not used.
1362 * @buf: on return contains the attribute value in hexadecimal.
1364 * Returns: size of formatted string.
1366 #define lpfc_param_hex_show(attr) \
1368 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1371 struct Scsi_Host *shost = class_to_shost(dev);\
1372 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1373 struct lpfc_hba *phba = vport->phba;\
1375 val = phba->cfg_##attr;\
1376 return snprintf(buf, PAGE_SIZE, "%#x\n",\
1381 * lpfc_param_init - Initializes a cfg attribute
1384 * Macro that given an attr e.g. hba_queue_depth expands
1385 * into a function with the name lpfc_hba_queue_depth_init. The macro also
1386 * takes a default argument, a minimum and maximum argument.
1388 * lpfc_##attr##_init: Initializes an attribute.
1389 * @phba: pointer the the adapter structure.
1390 * @val: integer attribute value.
1392 * Validates the min and max values then sets the adapter config field
1393 * accordingly, or uses the default if out of range and prints an error message.
1397 * -EINVAL if default used
1399 #define lpfc_param_init(attr, default, minval, maxval) \
1401 lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \
1403 if (val >= minval && val <= maxval) {\
1404 phba->cfg_##attr = val;\
1407 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
1408 "0449 lpfc_"#attr" attribute cannot be set to %d, "\
1409 "allowed range is ["#minval", "#maxval"]\n", val); \
1410 phba->cfg_##attr = default;\
1415 * lpfc_param_set - Set a cfg attribute value
1418 * Macro that given an attr e.g. hba_queue_depth expands
1419 * into a function with the name lpfc_hba_queue_depth_set
1421 * lpfc_##attr##_set: Sets an attribute value.
1422 * @phba: pointer the the adapter structure.
1423 * @val: integer attribute value.
1426 * Validates the min and max values then sets the
1427 * adapter config field if in the valid range. prints error message
1428 * and does not set the parameter if invalid.
1432 * -EINVAL if val is invalid
1434 #define lpfc_param_set(attr, default, minval, maxval) \
1436 lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \
1438 if (val >= minval && val <= maxval) {\
1439 phba->cfg_##attr = val;\
1442 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
1443 "0450 lpfc_"#attr" attribute cannot be set to %d, "\
1444 "allowed range is ["#minval", "#maxval"]\n", val); \
1449 * lpfc_param_store - Set a vport attribute value
1452 * Macro that given an attr e.g. hba_queue_depth expands
1453 * into a function with the name lpfc_hba_queue_depth_store.
1455 * lpfc_##attr##_store: Set an sttribute value.
1456 * @dev: class device that is converted into a Scsi_host.
1457 * @attr: device attribute, not used.
1458 * @buf: contains the attribute value in ascii.
1462 * Convert the ascii text number to an integer, then
1463 * use the lpfc_##attr##_set function to set the value.
1466 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
1467 * length of buffer upon success.
1469 #define lpfc_param_store(attr) \
1471 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
1472 const char *buf, size_t count) \
1474 struct Scsi_Host *shost = class_to_shost(dev);\
1475 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1476 struct lpfc_hba *phba = vport->phba;\
1478 if (!isdigit(buf[0]))\
1480 if (sscanf(buf, "%i", &val) != 1)\
1482 if (lpfc_##attr##_set(phba, val) == 0) \
1483 return strlen(buf);\
1489 * lpfc_vport_param_show - Return decimal formatted cfg attribute value
1492 * Macro that given an attr e.g. hba_queue_depth expands
1493 * into a function with the name lpfc_hba_queue_depth_show
1495 * lpfc_##attr##_show: prints the attribute value in decimal.
1496 * @dev: class device that is converted into a Scsi_host.
1497 * @attr: device attribute, not used.
1498 * @buf: on return contains the attribute value in decimal.
1500 * Returns: length of formatted string.
1502 #define lpfc_vport_param_show(attr) \
1504 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1507 struct Scsi_Host *shost = class_to_shost(dev);\
1508 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1510 val = vport->cfg_##attr;\
1511 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
1515 * lpfc_vport_param_hex_show - Return hex formatted attribute value
1518 * Macro that given an attr e.g.
1519 * hba_queue_depth expands into a function with the name
1520 * lpfc_hba_queue_depth_show
1522 * lpfc_##attr##_show: prints the attribute value in hexadecimal.
1523 * @dev: class device that is converted into a Scsi_host.
1524 * @attr: device attribute, not used.
1525 * @buf: on return contains the attribute value in hexadecimal.
1527 * Returns: length of formatted string.
1529 #define lpfc_vport_param_hex_show(attr) \
1531 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1534 struct Scsi_Host *shost = class_to_shost(dev);\
1535 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1537 val = vport->cfg_##attr;\
1538 return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
1542 * lpfc_vport_param_init - Initialize a vport cfg attribute
1545 * Macro that given an attr e.g. hba_queue_depth expands
1546 * into a function with the name lpfc_hba_queue_depth_init. The macro also
1547 * takes a default argument, a minimum and maximum argument.
1549 * lpfc_##attr##_init: validates the min and max values then sets the
1550 * adapter config field accordingly, or uses the default if out of range
1551 * and prints an error message.
1552 * @phba: pointer the the adapter structure.
1553 * @val: integer attribute value.
1557 * -EINVAL if default used
1559 #define lpfc_vport_param_init(attr, default, minval, maxval) \
1561 lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \
1563 if (val >= minval && val <= maxval) {\
1564 vport->cfg_##attr = val;\
1567 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
1568 "0423 lpfc_"#attr" attribute cannot be set to %d, "\
1569 "allowed range is ["#minval", "#maxval"]\n", val); \
1570 vport->cfg_##attr = default;\
1575 * lpfc_vport_param_set - Set a vport cfg attribute
1578 * Macro that given an attr e.g. hba_queue_depth expands
1579 * into a function with the name lpfc_hba_queue_depth_set
1581 * lpfc_##attr##_set: validates the min and max values then sets the
1582 * adapter config field if in the valid range. prints error message
1583 * and does not set the parameter if invalid.
1584 * @phba: pointer the the adapter structure.
1585 * @val: integer attribute value.
1589 * -EINVAL if val is invalid
1591 #define lpfc_vport_param_set(attr, default, minval, maxval) \
1593 lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \
1595 if (val >= minval && val <= maxval) {\
1596 vport->cfg_##attr = val;\
1599 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
1600 "0424 lpfc_"#attr" attribute cannot be set to %d, "\
1601 "allowed range is ["#minval", "#maxval"]\n", val); \
1606 * lpfc_vport_param_store - Set a vport attribute
1609 * Macro that given an attr e.g. hba_queue_depth
1610 * expands into a function with the name lpfc_hba_queue_depth_store
1612 * lpfc_##attr##_store: convert the ascii text number to an integer, then
1613 * use the lpfc_##attr##_set function to set the value.
1614 * @cdev: class device that is converted into a Scsi_host.
1615 * @buf: contains the attribute value in decimal.
1619 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
1620 * length of buffer upon success.
1622 #define lpfc_vport_param_store(attr) \
1624 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
1625 const char *buf, size_t count) \
1627 struct Scsi_Host *shost = class_to_shost(dev);\
1628 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1630 if (!isdigit(buf[0]))\
1632 if (sscanf(buf, "%i", &val) != 1)\
1634 if (lpfc_##attr##_set(vport, val) == 0) \
1635 return strlen(buf);\
1641 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
1642 static uint lpfc_##name = defval;\
1643 module_param(lpfc_##name, uint, S_IRUGO);\
1644 MODULE_PARM_DESC(lpfc_##name, desc);\
1645 lpfc_param_init(name, defval, minval, maxval)
1647 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
1648 static uint lpfc_##name = defval;\
1649 module_param(lpfc_##name, uint, S_IRUGO);\
1650 MODULE_PARM_DESC(lpfc_##name, desc);\
1651 lpfc_param_show(name)\
1652 lpfc_param_init(name, defval, minval, maxval)\
1653 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1655 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
1656 static uint lpfc_##name = defval;\
1657 module_param(lpfc_##name, uint, S_IRUGO);\
1658 MODULE_PARM_DESC(lpfc_##name, desc);\
1659 lpfc_param_show(name)\
1660 lpfc_param_init(name, defval, minval, maxval)\
1661 lpfc_param_set(name, defval, minval, maxval)\
1662 lpfc_param_store(name)\
1663 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1664 lpfc_##name##_show, lpfc_##name##_store)
1666 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
1667 static uint lpfc_##name = defval;\
1668 module_param(lpfc_##name, uint, S_IRUGO);\
1669 MODULE_PARM_DESC(lpfc_##name, desc);\
1670 lpfc_param_hex_show(name)\
1671 lpfc_param_init(name, defval, minval, maxval)\
1672 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1674 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
1675 static uint lpfc_##name = defval;\
1676 module_param(lpfc_##name, uint, S_IRUGO);\
1677 MODULE_PARM_DESC(lpfc_##name, desc);\
1678 lpfc_param_hex_show(name)\
1679 lpfc_param_init(name, defval, minval, maxval)\
1680 lpfc_param_set(name, defval, minval, maxval)\
1681 lpfc_param_store(name)\
1682 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1683 lpfc_##name##_show, lpfc_##name##_store)
1685 #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \
1686 static uint lpfc_##name = defval;\
1687 module_param(lpfc_##name, uint, S_IRUGO);\
1688 MODULE_PARM_DESC(lpfc_##name, desc);\
1689 lpfc_vport_param_init(name, defval, minval, maxval)
1691 #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \
1692 static uint lpfc_##name = defval;\
1693 module_param(lpfc_##name, uint, S_IRUGO);\
1694 MODULE_PARM_DESC(lpfc_##name, desc);\
1695 lpfc_vport_param_show(name)\
1696 lpfc_vport_param_init(name, defval, minval, maxval)\
1697 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1699 #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \
1700 static uint lpfc_##name = defval;\
1701 module_param(lpfc_##name, uint, S_IRUGO);\
1702 MODULE_PARM_DESC(lpfc_##name, desc);\
1703 lpfc_vport_param_show(name)\
1704 lpfc_vport_param_init(name, defval, minval, maxval)\
1705 lpfc_vport_param_set(name, defval, minval, maxval)\
1706 lpfc_vport_param_store(name)\
1707 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1708 lpfc_##name##_show, lpfc_##name##_store)
1710 #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \
1711 static uint lpfc_##name = defval;\
1712 module_param(lpfc_##name, uint, S_IRUGO);\
1713 MODULE_PARM_DESC(lpfc_##name, desc);\
1714 lpfc_vport_param_hex_show(name)\
1715 lpfc_vport_param_init(name, defval, minval, maxval)\
1716 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1718 #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
1719 static uint lpfc_##name = defval;\
1720 module_param(lpfc_##name, uint, S_IRUGO);\
1721 MODULE_PARM_DESC(lpfc_##name, desc);\
1722 lpfc_vport_param_hex_show(name)\
1723 lpfc_vport_param_init(name, defval, minval, maxval)\
1724 lpfc_vport_param_set(name, defval, minval, maxval)\
1725 lpfc_vport_param_store(name)\
1726 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1727 lpfc_##name##_show, lpfc_##name##_store)
1729 static DEVICE_ATTR(bg_info
, S_IRUGO
, lpfc_bg_info_show
, NULL
);
1730 static DEVICE_ATTR(bg_guard_err
, S_IRUGO
, lpfc_bg_guard_err_show
, NULL
);
1731 static DEVICE_ATTR(bg_apptag_err
, S_IRUGO
, lpfc_bg_apptag_err_show
, NULL
);
1732 static DEVICE_ATTR(bg_reftag_err
, S_IRUGO
, lpfc_bg_reftag_err_show
, NULL
);
1733 static DEVICE_ATTR(info
, S_IRUGO
, lpfc_info_show
, NULL
);
1734 static DEVICE_ATTR(serialnum
, S_IRUGO
, lpfc_serialnum_show
, NULL
);
1735 static DEVICE_ATTR(modeldesc
, S_IRUGO
, lpfc_modeldesc_show
, NULL
);
1736 static DEVICE_ATTR(modelname
, S_IRUGO
, lpfc_modelname_show
, NULL
);
1737 static DEVICE_ATTR(programtype
, S_IRUGO
, lpfc_programtype_show
, NULL
);
1738 static DEVICE_ATTR(portnum
, S_IRUGO
, lpfc_vportnum_show
, NULL
);
1739 static DEVICE_ATTR(fwrev
, S_IRUGO
, lpfc_fwrev_show
, NULL
);
1740 static DEVICE_ATTR(hdw
, S_IRUGO
, lpfc_hdw_show
, NULL
);
1741 static DEVICE_ATTR(link_state
, S_IRUGO
| S_IWUSR
, lpfc_link_state_show
,
1742 lpfc_link_state_store
);
1743 static DEVICE_ATTR(option_rom_version
, S_IRUGO
,
1744 lpfc_option_rom_version_show
, NULL
);
1745 static DEVICE_ATTR(num_discovered_ports
, S_IRUGO
,
1746 lpfc_num_discovered_ports_show
, NULL
);
1747 static DEVICE_ATTR(menlo_mgmt_mode
, S_IRUGO
, lpfc_mlomgmt_show
, NULL
);
1748 static DEVICE_ATTR(nport_evt_cnt
, S_IRUGO
, lpfc_nport_evt_cnt_show
, NULL
);
1749 static DEVICE_ATTR(lpfc_drvr_version
, S_IRUGO
, lpfc_drvr_version_show
, NULL
);
1750 static DEVICE_ATTR(lpfc_enable_fip
, S_IRUGO
, lpfc_enable_fip_show
, NULL
);
1751 static DEVICE_ATTR(board_mode
, S_IRUGO
| S_IWUSR
,
1752 lpfc_board_mode_show
, lpfc_board_mode_store
);
1753 static DEVICE_ATTR(issue_reset
, S_IWUSR
, NULL
, lpfc_issue_reset
);
1754 static DEVICE_ATTR(max_vpi
, S_IRUGO
, lpfc_max_vpi_show
, NULL
);
1755 static DEVICE_ATTR(used_vpi
, S_IRUGO
, lpfc_used_vpi_show
, NULL
);
1756 static DEVICE_ATTR(max_rpi
, S_IRUGO
, lpfc_max_rpi_show
, NULL
);
1757 static DEVICE_ATTR(used_rpi
, S_IRUGO
, lpfc_used_rpi_show
, NULL
);
1758 static DEVICE_ATTR(max_xri
, S_IRUGO
, lpfc_max_xri_show
, NULL
);
1759 static DEVICE_ATTR(used_xri
, S_IRUGO
, lpfc_used_xri_show
, NULL
);
1760 static DEVICE_ATTR(npiv_info
, S_IRUGO
, lpfc_npiv_info_show
, NULL
);
1761 static DEVICE_ATTR(lpfc_temp_sensor
, S_IRUGO
, lpfc_temp_sensor_show
, NULL
);
1762 static DEVICE_ATTR(lpfc_fips_level
, S_IRUGO
, lpfc_fips_level_show
, NULL
);
1763 static DEVICE_ATTR(lpfc_fips_rev
, S_IRUGO
, lpfc_fips_rev_show
, NULL
);
1764 static DEVICE_ATTR(lpfc_dss
, S_IRUGO
, lpfc_dss_show
, NULL
);
1766 static char *lpfc_soft_wwn_key
= "C99G71SL8032A";
1769 * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid
1770 * @dev: class device that is converted into a Scsi_host.
1771 * @attr: device attribute, not used.
1772 * @buf: containing the string lpfc_soft_wwn_key.
1773 * @count: must be size of lpfc_soft_wwn_key.
1776 * -EINVAL if the buffer does not contain lpfc_soft_wwn_key
1777 * length of buf indicates success
1780 lpfc_soft_wwn_enable_store(struct device
*dev
, struct device_attribute
*attr
,
1781 const char *buf
, size_t count
)
1783 struct Scsi_Host
*shost
= class_to_shost(dev
);
1784 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1785 struct lpfc_hba
*phba
= vport
->phba
;
1786 unsigned int cnt
= count
;
1789 * We're doing a simple sanity check for soft_wwpn setting.
1790 * We require that the user write a specific key to enable
1791 * the soft_wwpn attribute to be settable. Once the attribute
1792 * is written, the enable key resets. If further updates are
1793 * desired, the key must be written again to re-enable the
1796 * The "key" is not secret - it is a hardcoded string shown
1797 * here. The intent is to protect against the random user or
1798 * application that is just writing attributes.
1801 /* count may include a LF at end of string */
1802 if (buf
[cnt
-1] == '\n')
1805 if ((cnt
!= strlen(lpfc_soft_wwn_key
)) ||
1806 (strncmp(buf
, lpfc_soft_wwn_key
, strlen(lpfc_soft_wwn_key
)) != 0))
1809 phba
->soft_wwn_enable
= 1;
1812 static DEVICE_ATTR(lpfc_soft_wwn_enable
, S_IWUSR
, NULL
,
1813 lpfc_soft_wwn_enable_store
);
1816 * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter
1817 * @dev: class device that is converted into a Scsi_host.
1818 * @attr: device attribute, not used.
1819 * @buf: on return contains the wwpn in hexadecimal.
1821 * Returns: size of formatted string.
1824 lpfc_soft_wwpn_show(struct device
*dev
, struct device_attribute
*attr
,
1827 struct Scsi_Host
*shost
= class_to_shost(dev
);
1828 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1829 struct lpfc_hba
*phba
= vport
->phba
;
1831 return snprintf(buf
, PAGE_SIZE
, "0x%llx\n",
1832 (unsigned long long)phba
->cfg_soft_wwpn
);
1836 * lpfc_soft_wwpn_store - Set the ww port name of the adapter
1837 * @dev class device that is converted into a Scsi_host.
1838 * @attr: device attribute, not used.
1839 * @buf: contains the wwpn in hexadecimal.
1840 * @count: number of wwpn bytes in buf
1843 * -EACCES hba reset not enabled, adapter over temp
1844 * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid
1845 * -EIO error taking adapter offline or online
1846 * value of count on success
1849 lpfc_soft_wwpn_store(struct device
*dev
, struct device_attribute
*attr
,
1850 const char *buf
, size_t count
)
1852 struct Scsi_Host
*shost
= class_to_shost(dev
);
1853 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1854 struct lpfc_hba
*phba
= vport
->phba
;
1855 struct completion online_compl
;
1856 int stat1
=0, stat2
=0;
1857 unsigned int i
, j
, cnt
=count
;
1861 if (!phba
->cfg_enable_hba_reset
)
1863 spin_lock_irq(&phba
->hbalock
);
1864 if (phba
->over_temp_state
== HBA_OVER_TEMP
) {
1865 spin_unlock_irq(&phba
->hbalock
);
1868 spin_unlock_irq(&phba
->hbalock
);
1869 /* count may include a LF at end of string */
1870 if (buf
[cnt
-1] == '\n')
1873 if (!phba
->soft_wwn_enable
|| (cnt
< 16) || (cnt
> 18) ||
1874 ((cnt
== 17) && (*buf
++ != 'x')) ||
1875 ((cnt
== 18) && ((*buf
++ != '0') || (*buf
++ != 'x'))))
1878 phba
->soft_wwn_enable
= 0;
1880 memset(wwpn
, 0, sizeof(wwpn
));
1882 /* Validate and store the new name */
1883 for (i
=0, j
=0; i
< 16; i
++) {
1886 value
= hex_to_bin(*buf
++);
1888 j
= (j
<< 4) | value
;
1892 wwpn
[i
/2] = j
& 0xff;
1896 phba
->cfg_soft_wwpn
= wwn_to_u64(wwpn
);
1897 fc_host_port_name(shost
) = phba
->cfg_soft_wwpn
;
1898 if (phba
->cfg_soft_wwnn
)
1899 fc_host_node_name(shost
) = phba
->cfg_soft_wwnn
;
1901 dev_printk(KERN_NOTICE
, &phba
->pcidev
->dev
,
1902 "lpfc%d: Reinitializing to use soft_wwpn\n", phba
->brd_no
);
1904 stat1
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
1906 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1907 "0463 lpfc_soft_wwpn attribute set failed to "
1908 "reinit adapter - %d\n", stat1
);
1909 init_completion(&online_compl
);
1910 rc
= lpfc_workq_post_event(phba
, &stat2
, &online_compl
,
1915 wait_for_completion(&online_compl
);
1917 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1918 "0464 lpfc_soft_wwpn attribute set failed to "
1919 "reinit adapter - %d\n", stat2
);
1920 return (stat1
|| stat2
) ? -EIO
: count
;
1922 static DEVICE_ATTR(lpfc_soft_wwpn
, S_IRUGO
| S_IWUSR
,\
1923 lpfc_soft_wwpn_show
, lpfc_soft_wwpn_store
);
1926 * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter
1927 * @dev: class device that is converted into a Scsi_host.
1928 * @attr: device attribute, not used.
1929 * @buf: on return contains the wwnn in hexadecimal.
1931 * Returns: size of formatted string.
1934 lpfc_soft_wwnn_show(struct device
*dev
, struct device_attribute
*attr
,
1937 struct Scsi_Host
*shost
= class_to_shost(dev
);
1938 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
1939 return snprintf(buf
, PAGE_SIZE
, "0x%llx\n",
1940 (unsigned long long)phba
->cfg_soft_wwnn
);
1944 * lpfc_soft_wwnn_store - sets the ww node name of the adapter
1945 * @cdev: class device that is converted into a Scsi_host.
1946 * @buf: contains the ww node name in hexadecimal.
1947 * @count: number of wwnn bytes in buf.
1950 * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid
1951 * value of count on success
1954 lpfc_soft_wwnn_store(struct device
*dev
, struct device_attribute
*attr
,
1955 const char *buf
, size_t count
)
1957 struct Scsi_Host
*shost
= class_to_shost(dev
);
1958 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
1959 unsigned int i
, j
, cnt
=count
;
1962 /* count may include a LF at end of string */
1963 if (buf
[cnt
-1] == '\n')
1966 if (!phba
->soft_wwn_enable
|| (cnt
< 16) || (cnt
> 18) ||
1967 ((cnt
== 17) && (*buf
++ != 'x')) ||
1968 ((cnt
== 18) && ((*buf
++ != '0') || (*buf
++ != 'x'))))
1972 * Allow wwnn to be set many times, as long as the enable is set.
1973 * However, once the wwpn is set, everything locks.
1976 memset(wwnn
, 0, sizeof(wwnn
));
1978 /* Validate and store the new name */
1979 for (i
=0, j
=0; i
< 16; i
++) {
1982 value
= hex_to_bin(*buf
++);
1984 j
= (j
<< 4) | value
;
1988 wwnn
[i
/2] = j
& 0xff;
1992 phba
->cfg_soft_wwnn
= wwn_to_u64(wwnn
);
1994 dev_printk(KERN_NOTICE
, &phba
->pcidev
->dev
,
1995 "lpfc%d: soft_wwnn set. Value will take effect upon "
1996 "setting of the soft_wwpn\n", phba
->brd_no
);
2000 static DEVICE_ATTR(lpfc_soft_wwnn
, S_IRUGO
| S_IWUSR
,\
2001 lpfc_soft_wwnn_show
, lpfc_soft_wwnn_store
);
2004 static int lpfc_poll
= 0;
2005 module_param(lpfc_poll
, int, S_IRUGO
);
2006 MODULE_PARM_DESC(lpfc_poll
, "FCP ring polling mode control:"
2008 " 1 - poll with interrupts enabled"
2009 " 3 - poll and disable FCP ring interrupts");
2011 static DEVICE_ATTR(lpfc_poll
, S_IRUGO
| S_IWUSR
,
2012 lpfc_poll_show
, lpfc_poll_store
);
2014 int lpfc_sli_mode
= 0;
2015 module_param(lpfc_sli_mode
, int, S_IRUGO
);
2016 MODULE_PARM_DESC(lpfc_sli_mode
, "SLI mode selector:"
2017 " 0 - auto (SLI-3 if supported),"
2018 " 2 - select SLI-2 even on SLI-3 capable HBAs,"
2019 " 3 - select SLI-3");
2021 int lpfc_enable_npiv
= 1;
2022 module_param(lpfc_enable_npiv
, int, S_IRUGO
);
2023 MODULE_PARM_DESC(lpfc_enable_npiv
, "Enable NPIV functionality");
2024 lpfc_param_show(enable_npiv
);
2025 lpfc_param_init(enable_npiv
, 1, 0, 1);
2026 static DEVICE_ATTR(lpfc_enable_npiv
, S_IRUGO
, lpfc_enable_npiv_show
, NULL
);
2028 int lpfc_enable_rrq
;
2029 module_param(lpfc_enable_rrq
, int, S_IRUGO
);
2030 MODULE_PARM_DESC(lpfc_enable_rrq
, "Enable RRQ functionality");
2031 lpfc_param_show(enable_rrq
);
2032 lpfc_param_init(enable_rrq
, 0, 0, 1);
2033 static DEVICE_ATTR(lpfc_enable_rrq
, S_IRUGO
, lpfc_enable_rrq_show
, NULL
);
2036 # lpfc_suppress_link_up: Bring link up at initialization
2037 # 0x0 = bring link up (issue MBX_INIT_LINK)
2038 # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK)
2039 # 0x2 = never bring up link
2040 # Default value is 0.
2042 LPFC_ATTR_R(suppress_link_up
, LPFC_INITIALIZE_LINK
, LPFC_INITIALIZE_LINK
,
2043 LPFC_DELAY_INIT_LINK_INDEFINITELY
,
2044 "Suppress Link Up at initialization");
2046 # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS
2054 lpfc_iocb_hw_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
2056 struct Scsi_Host
*shost
= class_to_shost(dev
);
2057 struct lpfc_hba
*phba
= ((struct lpfc_vport
*) shost
->hostdata
)->phba
;
2059 return snprintf(buf
, PAGE_SIZE
, "%d\n", phba
->iocb_max
);
2062 static DEVICE_ATTR(iocb_hw
, S_IRUGO
,
2063 lpfc_iocb_hw_show
, NULL
);
2065 lpfc_txq_hw_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
2067 struct Scsi_Host
*shost
= class_to_shost(dev
);
2068 struct lpfc_hba
*phba
= ((struct lpfc_vport
*) shost
->hostdata
)->phba
;
2070 return snprintf(buf
, PAGE_SIZE
, "%d\n",
2071 phba
->sli
.ring
[LPFC_ELS_RING
].txq_max
);
2074 static DEVICE_ATTR(txq_hw
, S_IRUGO
,
2075 lpfc_txq_hw_show
, NULL
);
2077 lpfc_txcmplq_hw_show(struct device
*dev
, struct device_attribute
*attr
,
2080 struct Scsi_Host
*shost
= class_to_shost(dev
);
2081 struct lpfc_hba
*phba
= ((struct lpfc_vport
*) shost
->hostdata
)->phba
;
2083 return snprintf(buf
, PAGE_SIZE
, "%d\n",
2084 phba
->sli
.ring
[LPFC_ELS_RING
].txcmplq_max
);
2087 static DEVICE_ATTR(txcmplq_hw
, S_IRUGO
,
2088 lpfc_txcmplq_hw_show
, NULL
);
2090 int lpfc_iocb_cnt
= 2;
2091 module_param(lpfc_iocb_cnt
, int, S_IRUGO
);
2092 MODULE_PARM_DESC(lpfc_iocb_cnt
,
2093 "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs");
2094 lpfc_param_show(iocb_cnt
);
2095 lpfc_param_init(iocb_cnt
, 2, 1, 5);
2096 static DEVICE_ATTR(lpfc_iocb_cnt
, S_IRUGO
,
2097 lpfc_iocb_cnt_show
, NULL
);
2100 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
2101 # until the timer expires. Value range is [0,255]. Default value is 30.
2103 static int lpfc_nodev_tmo
= LPFC_DEF_DEVLOSS_TMO
;
2104 static int lpfc_devloss_tmo
= LPFC_DEF_DEVLOSS_TMO
;
2105 module_param(lpfc_nodev_tmo
, int, 0);
2106 MODULE_PARM_DESC(lpfc_nodev_tmo
,
2107 "Seconds driver will hold I/O waiting "
2108 "for a device to come back");
2111 * lpfc_nodev_tmo_show - Return the hba dev loss timeout value
2112 * @dev: class converted to a Scsi_host structure.
2113 * @attr: device attribute, not used.
2114 * @buf: on return contains the dev loss timeout in decimal.
2116 * Returns: size of formatted string.
2119 lpfc_nodev_tmo_show(struct device
*dev
, struct device_attribute
*attr
,
2122 struct Scsi_Host
*shost
= class_to_shost(dev
);
2123 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2125 return snprintf(buf
, PAGE_SIZE
, "%d\n", vport
->cfg_devloss_tmo
);
2129 * lpfc_nodev_tmo_init - Set the hba nodev timeout value
2130 * @vport: lpfc vport structure pointer.
2131 * @val: contains the nodev timeout value.
2134 * If the devloss tmo is already set then nodev tmo is set to devloss tmo,
2135 * a kernel error message is printed and zero is returned.
2136 * Else if val is in range then nodev tmo and devloss tmo are set to val.
2137 * Otherwise nodev tmo is set to the default value.
2140 * zero if already set or if val is in range
2141 * -EINVAL val out of range
2144 lpfc_nodev_tmo_init(struct lpfc_vport
*vport
, int val
)
2146 if (vport
->cfg_devloss_tmo
!= LPFC_DEF_DEVLOSS_TMO
) {
2147 vport
->cfg_nodev_tmo
= vport
->cfg_devloss_tmo
;
2148 if (val
!= LPFC_DEF_DEVLOSS_TMO
)
2149 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2150 "0407 Ignoring nodev_tmo module "
2151 "parameter because devloss_tmo is "
2156 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
2157 vport
->cfg_nodev_tmo
= val
;
2158 vport
->cfg_devloss_tmo
= val
;
2161 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2162 "0400 lpfc_nodev_tmo attribute cannot be set to"
2163 " %d, allowed range is [%d, %d]\n",
2164 val
, LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
);
2165 vport
->cfg_nodev_tmo
= LPFC_DEF_DEVLOSS_TMO
;
2170 * lpfc_update_rport_devloss_tmo - Update dev loss tmo value
2171 * @vport: lpfc vport structure pointer.
2174 * Update all the ndlp's dev loss tmo with the vport devloss tmo value.
2177 lpfc_update_rport_devloss_tmo(struct lpfc_vport
*vport
)
2179 struct Scsi_Host
*shost
;
2180 struct lpfc_nodelist
*ndlp
;
2182 shost
= lpfc_shost_from_vport(vport
);
2183 spin_lock_irq(shost
->host_lock
);
2184 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
)
2185 if (NLP_CHK_NODE_ACT(ndlp
) && ndlp
->rport
)
2186 ndlp
->rport
->dev_loss_tmo
= vport
->cfg_devloss_tmo
;
2187 spin_unlock_irq(shost
->host_lock
);
2191 * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values
2192 * @vport: lpfc vport structure pointer.
2193 * @val: contains the tmo value.
2196 * If the devloss tmo is already set or the vport dev loss tmo has changed
2197 * then a kernel error message is printed and zero is returned.
2198 * Else if val is in range then nodev tmo and devloss tmo are set to val.
2199 * Otherwise nodev tmo is set to the default value.
2202 * zero if already set or if val is in range
2203 * -EINVAL val out of range
2206 lpfc_nodev_tmo_set(struct lpfc_vport
*vport
, int val
)
2208 if (vport
->dev_loss_tmo_changed
||
2209 (lpfc_devloss_tmo
!= LPFC_DEF_DEVLOSS_TMO
)) {
2210 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2211 "0401 Ignoring change to nodev_tmo "
2212 "because devloss_tmo is set.\n");
2215 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
2216 vport
->cfg_nodev_tmo
= val
;
2217 vport
->cfg_devloss_tmo
= val
;
2219 * For compat: set the fc_host dev loss so new rports
2220 * will get the value.
2222 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport
)) = val
;
2223 lpfc_update_rport_devloss_tmo(vport
);
2226 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2227 "0403 lpfc_nodev_tmo attribute cannot be set to"
2228 "%d, allowed range is [%d, %d]\n",
2229 val
, LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
);
2233 lpfc_vport_param_store(nodev_tmo
)
2235 static DEVICE_ATTR(lpfc_nodev_tmo
, S_IRUGO
| S_IWUSR
,
2236 lpfc_nodev_tmo_show
, lpfc_nodev_tmo_store
);
2239 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
2240 # disappear until the timer expires. Value range is [0,255]. Default
2243 module_param(lpfc_devloss_tmo
, int, S_IRUGO
);
2244 MODULE_PARM_DESC(lpfc_devloss_tmo
,
2245 "Seconds driver will hold I/O waiting "
2246 "for a device to come back");
2247 lpfc_vport_param_init(devloss_tmo
, LPFC_DEF_DEVLOSS_TMO
,
2248 LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
)
2249 lpfc_vport_param_show(devloss_tmo
)
2252 * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit
2253 * @vport: lpfc vport structure pointer.
2254 * @val: contains the tmo value.
2257 * If val is in a valid range then set the vport nodev tmo,
2258 * devloss tmo, also set the vport dev loss tmo changed flag.
2259 * Else a kernel error message is printed.
2262 * zero if val is in range
2263 * -EINVAL val out of range
2266 lpfc_devloss_tmo_set(struct lpfc_vport
*vport
, int val
)
2268 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
2269 vport
->cfg_nodev_tmo
= val
;
2270 vport
->cfg_devloss_tmo
= val
;
2271 vport
->dev_loss_tmo_changed
= 1;
2272 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport
)) = val
;
2273 lpfc_update_rport_devloss_tmo(vport
);
2277 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2278 "0404 lpfc_devloss_tmo attribute cannot be set to"
2279 " %d, allowed range is [%d, %d]\n",
2280 val
, LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
);
2284 lpfc_vport_param_store(devloss_tmo
)
2285 static DEVICE_ATTR(lpfc_devloss_tmo
, S_IRUGO
| S_IWUSR
,
2286 lpfc_devloss_tmo_show
, lpfc_devloss_tmo_store
);
2289 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
2290 # deluged with LOTS of information.
2291 # You can set a bit mask to record specific types of verbose messages:
2292 # See lpfc_logmsh.h for definitions.
2294 LPFC_VPORT_ATTR_HEX_RW(log_verbose
, 0x0, 0x0, 0xffffffff,
2295 "Verbose logging bit-mask");
2298 # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters
2299 # objects that have been registered with the nameserver after login.
2301 LPFC_VPORT_ATTR_R(enable_da_id
, 0, 0, 1,
2302 "Deregister nameserver objects before LOGO");
2305 # lun_queue_depth: This parameter is used to limit the number of outstanding
2306 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
2308 LPFC_VPORT_ATTR_R(lun_queue_depth
, 30, 1, 128,
2309 "Max number of FCP commands we can queue to a specific LUN");
2312 # tgt_queue_depth: This parameter is used to limit the number of outstanding
2313 # commands per target port. Value range is [10,65535]. Default value is 65535.
2315 LPFC_VPORT_ATTR_R(tgt_queue_depth
, 65535, 10, 65535,
2316 "Max number of FCP commands we can queue to a specific target port");
2319 # hba_queue_depth: This parameter is used to limit the number of outstanding
2320 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
2321 # value is greater than the maximum number of exchanges supported by the HBA,
2322 # then maximum number of exchanges supported by the HBA is used to determine
2323 # the hba_queue_depth.
2325 LPFC_ATTR_R(hba_queue_depth
, 8192, 32, 8192,
2326 "Max number of FCP commands we can queue to a lpfc HBA");
2329 # peer_port_login: This parameter allows/prevents logins
2330 # between peer ports hosted on the same physical port.
2331 # When this parameter is set 0 peer ports of same physical port
2332 # are not allowed to login to each other.
2333 # When this parameter is set 1 peer ports of same physical port
2334 # are allowed to login to each other.
2335 # Default value of this parameter is 0.
2337 LPFC_VPORT_ATTR_R(peer_port_login
, 0, 0, 1,
2338 "Allow peer ports on the same physical port to login to each "
2342 # restrict_login: This parameter allows/prevents logins
2343 # between Virtual Ports and remote initiators.
2344 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
2345 # other initiators and will attempt to PLOGI all remote ports.
2346 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
2347 # remote ports and will not attempt to PLOGI to other initiators.
2348 # This parameter does not restrict to the physical port.
2349 # This parameter does not restrict logins to Fabric resident remote ports.
2350 # Default value of this parameter is 1.
2352 static int lpfc_restrict_login
= 1;
2353 module_param(lpfc_restrict_login
, int, S_IRUGO
);
2354 MODULE_PARM_DESC(lpfc_restrict_login
,
2355 "Restrict virtual ports login to remote initiators.");
2356 lpfc_vport_param_show(restrict_login
);
2359 * lpfc_restrict_login_init - Set the vport restrict login flag
2360 * @vport: lpfc vport structure pointer.
2361 * @val: contains the restrict login value.
2364 * If val is not in a valid range then log a kernel error message and set
2365 * the vport restrict login to one.
2366 * If the port type is physical clear the restrict login flag and return.
2367 * Else set the restrict login flag to val.
2370 * zero if val is in range
2371 * -EINVAL val out of range
2374 lpfc_restrict_login_init(struct lpfc_vport
*vport
, int val
)
2376 if (val
< 0 || val
> 1) {
2377 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2378 "0422 lpfc_restrict_login attribute cannot "
2379 "be set to %d, allowed range is [0, 1]\n",
2381 vport
->cfg_restrict_login
= 1;
2384 if (vport
->port_type
== LPFC_PHYSICAL_PORT
) {
2385 vport
->cfg_restrict_login
= 0;
2388 vport
->cfg_restrict_login
= val
;
2393 * lpfc_restrict_login_set - Set the vport restrict login flag
2394 * @vport: lpfc vport structure pointer.
2395 * @val: contains the restrict login value.
2398 * If val is not in a valid range then log a kernel error message and set
2399 * the vport restrict login to one.
2400 * If the port type is physical and the val is not zero log a kernel
2401 * error message, clear the restrict login flag and return zero.
2402 * Else set the restrict login flag to val.
2405 * zero if val is in range
2406 * -EINVAL val out of range
2409 lpfc_restrict_login_set(struct lpfc_vport
*vport
, int val
)
2411 if (val
< 0 || val
> 1) {
2412 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2413 "0425 lpfc_restrict_login attribute cannot "
2414 "be set to %d, allowed range is [0, 1]\n",
2416 vport
->cfg_restrict_login
= 1;
2419 if (vport
->port_type
== LPFC_PHYSICAL_PORT
&& val
!= 0) {
2420 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2421 "0468 lpfc_restrict_login must be 0 for "
2422 "Physical ports.\n");
2423 vport
->cfg_restrict_login
= 0;
2426 vport
->cfg_restrict_login
= val
;
2429 lpfc_vport_param_store(restrict_login
);
2430 static DEVICE_ATTR(lpfc_restrict_login
, S_IRUGO
| S_IWUSR
,
2431 lpfc_restrict_login_show
, lpfc_restrict_login_store
);
2434 # Some disk devices have a "select ID" or "select Target" capability.
2435 # From a protocol standpoint "select ID" usually means select the
2436 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
2437 # annex" which contains a table that maps a "select ID" (a number
2438 # between 0 and 7F) to an ALPA. By default, for compatibility with
2439 # older drivers, the lpfc driver scans this table from low ALPA to high
2442 # Turning on the scan-down variable (on = 1, off = 0) will
2443 # cause the lpfc driver to use an inverted table, effectively
2444 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
2446 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
2447 # and will not work across a fabric. Also this parameter will take
2448 # effect only in the case when ALPA map is not available.)
2450 LPFC_VPORT_ATTR_R(scan_down
, 1, 0, 1,
2451 "Start scanning for devices from highest ALPA to lowest");
2454 # lpfc_topology: link topology for init link
2455 # 0x0 = attempt loop mode then point-to-point
2456 # 0x01 = internal loopback mode
2457 # 0x02 = attempt point-to-point mode only
2458 # 0x04 = attempt loop mode only
2459 # 0x06 = attempt point-to-point mode then loop
2460 # Set point-to-point mode if you want to run as an N_Port.
2461 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
2462 # Default value is 0.
2466 * lpfc_topology_set - Set the adapters topology field
2467 * @phba: lpfc_hba pointer.
2468 * @val: topology value.
2471 * If val is in a valid range then set the adapter's topology field and
2472 * issue a lip; if the lip fails reset the topology to the old value.
2474 * If the value is not in range log a kernel error message and return an error.
2477 * zero if val is in range and lip okay
2478 * non-zero return value from lpfc_issue_lip()
2479 * -EINVAL val out of range
2482 lpfc_topology_store(struct device
*dev
, struct device_attribute
*attr
,
2483 const char *buf
, size_t count
)
2485 struct Scsi_Host
*shost
= class_to_shost(dev
);
2486 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2487 struct lpfc_hba
*phba
= vport
->phba
;
2490 const char *val_buf
= buf
;
2494 if (!strncmp(buf
, "nolip ", strlen("nolip "))) {
2496 val_buf
= &buf
[strlen("nolip ")];
2499 if (!isdigit(val_buf
[0]))
2501 if (sscanf(val_buf
, "%i", &val
) != 1)
2504 if (val
>= 0 && val
<= 6) {
2505 prev_val
= phba
->cfg_topology
;
2506 phba
->cfg_topology
= val
;
2510 err
= lpfc_issue_lip(lpfc_shost_from_vport(phba
->pport
));
2512 phba
->cfg_topology
= prev_val
;
2517 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2518 "%d:0467 lpfc_topology attribute cannot be set to %d, "
2519 "allowed range is [0, 6]\n",
2523 static int lpfc_topology
= 0;
2524 module_param(lpfc_topology
, int, S_IRUGO
);
2525 MODULE_PARM_DESC(lpfc_topology
, "Select Fibre Channel topology");
2526 lpfc_param_show(topology
)
2527 lpfc_param_init(topology
, 0, 0, 6)
2528 static DEVICE_ATTR(lpfc_topology
, S_IRUGO
| S_IWUSR
,
2529 lpfc_topology_show
, lpfc_topology_store
);
2532 * lpfc_static_vport_show: Read callback function for
2533 * lpfc_static_vport sysfs file.
2534 * @dev: Pointer to class device object.
2535 * @attr: device attribute structure.
2536 * @buf: Data buffer.
2538 * This function is the read call back function for
2539 * lpfc_static_vport sysfs file. The lpfc_static_vport
2540 * sysfs file report the mageability of the vport.
2543 lpfc_static_vport_show(struct device
*dev
, struct device_attribute
*attr
,
2546 struct Scsi_Host
*shost
= class_to_shost(dev
);
2547 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2548 if (vport
->vport_flag
& STATIC_VPORT
)
2549 sprintf(buf
, "1\n");
2551 sprintf(buf
, "0\n");
2557 * Sysfs attribute to control the statistical data collection.
2559 static DEVICE_ATTR(lpfc_static_vport
, S_IRUGO
,
2560 lpfc_static_vport_show
, NULL
);
2563 * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file
2564 * @dev: Pointer to class device.
2565 * @buf: Data buffer.
2566 * @count: Size of the data buffer.
2568 * This function get called when an user write to the lpfc_stat_data_ctrl
2569 * sysfs file. This function parse the command written to the sysfs file
2570 * and take appropriate action. These commands are used for controlling
2571 * driver statistical data collection.
2572 * Following are the command this function handles.
2574 * setbucket <bucket_type> <base> <step>
2575 * = Set the latency buckets.
2576 * destroybucket = destroy all the buckets.
2577 * start = start data collection
2578 * stop = stop data collection
2579 * reset = reset the collected data
2582 lpfc_stat_data_ctrl_store(struct device
*dev
, struct device_attribute
*attr
,
2583 const char *buf
, size_t count
)
2585 struct Scsi_Host
*shost
= class_to_shost(dev
);
2586 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2587 struct lpfc_hba
*phba
= vport
->phba
;
2588 #define LPFC_MAX_DATA_CTRL_LEN 1024
2589 static char bucket_data
[LPFC_MAX_DATA_CTRL_LEN
];
2591 char *str_ptr
, *token
;
2592 struct lpfc_vport
**vports
;
2593 struct Scsi_Host
*v_shost
;
2594 char *bucket_type_str
, *base_str
, *step_str
;
2595 unsigned long base
, step
, bucket_type
;
2597 if (!strncmp(buf
, "setbucket", strlen("setbucket"))) {
2598 if (strlen(buf
) > (LPFC_MAX_DATA_CTRL_LEN
- 1))
2601 strcpy(bucket_data
, buf
);
2602 str_ptr
= &bucket_data
[0];
2603 /* Ignore this token - this is command token */
2604 token
= strsep(&str_ptr
, "\t ");
2608 bucket_type_str
= strsep(&str_ptr
, "\t ");
2609 if (!bucket_type_str
)
2612 if (!strncmp(bucket_type_str
, "linear", strlen("linear")))
2613 bucket_type
= LPFC_LINEAR_BUCKET
;
2614 else if (!strncmp(bucket_type_str
, "power2", strlen("power2")))
2615 bucket_type
= LPFC_POWER2_BUCKET
;
2619 base_str
= strsep(&str_ptr
, "\t ");
2622 base
= simple_strtoul(base_str
, NULL
, 0);
2624 step_str
= strsep(&str_ptr
, "\t ");
2627 step
= simple_strtoul(step_str
, NULL
, 0);
2631 /* Block the data collection for every vport */
2632 vports
= lpfc_create_vport_work_array(phba
);
2636 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2637 v_shost
= lpfc_shost_from_vport(vports
[i
]);
2638 spin_lock_irq(v_shost
->host_lock
);
2639 /* Block and reset data collection */
2640 vports
[i
]->stat_data_blocked
= 1;
2641 if (vports
[i
]->stat_data_enabled
)
2642 lpfc_vport_reset_stat_data(vports
[i
]);
2643 spin_unlock_irq(v_shost
->host_lock
);
2646 /* Set the bucket attributes */
2647 phba
->bucket_type
= bucket_type
;
2648 phba
->bucket_base
= base
;
2649 phba
->bucket_step
= step
;
2651 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2652 v_shost
= lpfc_shost_from_vport(vports
[i
]);
2654 /* Unblock data collection */
2655 spin_lock_irq(v_shost
->host_lock
);
2656 vports
[i
]->stat_data_blocked
= 0;
2657 spin_unlock_irq(v_shost
->host_lock
);
2659 lpfc_destroy_vport_work_array(phba
, vports
);
2663 if (!strncmp(buf
, "destroybucket", strlen("destroybucket"))) {
2664 vports
= lpfc_create_vport_work_array(phba
);
2668 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2669 v_shost
= lpfc_shost_from_vport(vports
[i
]);
2670 spin_lock_irq(shost
->host_lock
);
2671 vports
[i
]->stat_data_blocked
= 1;
2672 lpfc_free_bucket(vport
);
2673 vport
->stat_data_enabled
= 0;
2674 vports
[i
]->stat_data_blocked
= 0;
2675 spin_unlock_irq(shost
->host_lock
);
2677 lpfc_destroy_vport_work_array(phba
, vports
);
2678 phba
->bucket_type
= LPFC_NO_BUCKET
;
2679 phba
->bucket_base
= 0;
2680 phba
->bucket_step
= 0;
2684 if (!strncmp(buf
, "start", strlen("start"))) {
2685 /* If no buckets configured return error */
2686 if (phba
->bucket_type
== LPFC_NO_BUCKET
)
2688 spin_lock_irq(shost
->host_lock
);
2689 if (vport
->stat_data_enabled
) {
2690 spin_unlock_irq(shost
->host_lock
);
2693 lpfc_alloc_bucket(vport
);
2694 vport
->stat_data_enabled
= 1;
2695 spin_unlock_irq(shost
->host_lock
);
2699 if (!strncmp(buf
, "stop", strlen("stop"))) {
2700 spin_lock_irq(shost
->host_lock
);
2701 if (vport
->stat_data_enabled
== 0) {
2702 spin_unlock_irq(shost
->host_lock
);
2705 lpfc_free_bucket(vport
);
2706 vport
->stat_data_enabled
= 0;
2707 spin_unlock_irq(shost
->host_lock
);
2711 if (!strncmp(buf
, "reset", strlen("reset"))) {
2712 if ((phba
->bucket_type
== LPFC_NO_BUCKET
)
2713 || !vport
->stat_data_enabled
)
2715 spin_lock_irq(shost
->host_lock
);
2716 vport
->stat_data_blocked
= 1;
2717 lpfc_vport_reset_stat_data(vport
);
2718 vport
->stat_data_blocked
= 0;
2719 spin_unlock_irq(shost
->host_lock
);
2727 * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file
2728 * @dev: Pointer to class device object.
2729 * @buf: Data buffer.
2731 * This function is the read call back function for
2732 * lpfc_stat_data_ctrl sysfs file. This function report the
2733 * current statistical data collection state.
2736 lpfc_stat_data_ctrl_show(struct device
*dev
, struct device_attribute
*attr
,
2739 struct Scsi_Host
*shost
= class_to_shost(dev
);
2740 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2741 struct lpfc_hba
*phba
= vport
->phba
;
2745 unsigned long bucket_value
;
2747 switch (phba
->bucket_type
) {
2748 case LPFC_LINEAR_BUCKET
:
2749 bucket_type
= "linear";
2751 case LPFC_POWER2_BUCKET
:
2752 bucket_type
= "power2";
2755 bucket_type
= "No Bucket";
2759 sprintf(&buf
[index
], "Statistical Data enabled :%d, "
2760 "blocked :%d, Bucket type :%s, Bucket base :%d,"
2761 " Bucket step :%d\nLatency Ranges :",
2762 vport
->stat_data_enabled
, vport
->stat_data_blocked
,
2763 bucket_type
, phba
->bucket_base
, phba
->bucket_step
);
2764 index
= strlen(buf
);
2765 if (phba
->bucket_type
!= LPFC_NO_BUCKET
) {
2766 for (i
= 0; i
< LPFC_MAX_BUCKET_COUNT
; i
++) {
2767 if (phba
->bucket_type
== LPFC_LINEAR_BUCKET
)
2768 bucket_value
= phba
->bucket_base
+
2769 phba
->bucket_step
* i
;
2771 bucket_value
= phba
->bucket_base
+
2772 (1 << i
) * phba
->bucket_step
;
2774 if (index
+ 10 > PAGE_SIZE
)
2776 sprintf(&buf
[index
], "%08ld ", bucket_value
);
2777 index
= strlen(buf
);
2780 sprintf(&buf
[index
], "\n");
2785 * Sysfs attribute to control the statistical data collection.
2787 static DEVICE_ATTR(lpfc_stat_data_ctrl
, S_IRUGO
| S_IWUSR
,
2788 lpfc_stat_data_ctrl_show
, lpfc_stat_data_ctrl_store
);
2791 * lpfc_drvr_stat_data: sysfs attr to get driver statistical data.
2795 * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN
2798 #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18)
2799 #define MAX_STAT_DATA_SIZE_PER_TARGET \
2800 STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT)
2804 * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute
2806 * @kobj: Pointer to the kernel object
2807 * @bin_attr: Attribute object
2808 * @buff: Buffer pointer
2810 * @count: Buffer size
2812 * This function is the read call back function for lpfc_drvr_stat_data
2813 * sysfs file. This function export the statistical data to user
2817 sysfs_drvr_stat_data_read(struct file
*filp
, struct kobject
*kobj
,
2818 struct bin_attribute
*bin_attr
,
2819 char *buf
, loff_t off
, size_t count
)
2821 struct device
*dev
= container_of(kobj
, struct device
,
2823 struct Scsi_Host
*shost
= class_to_shost(dev
);
2824 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2825 struct lpfc_hba
*phba
= vport
->phba
;
2826 int i
= 0, index
= 0;
2827 unsigned long nport_index
;
2828 struct lpfc_nodelist
*ndlp
= NULL
;
2829 nport_index
= (unsigned long)off
/
2830 MAX_STAT_DATA_SIZE_PER_TARGET
;
2832 if (!vport
->stat_data_enabled
|| vport
->stat_data_blocked
2833 || (phba
->bucket_type
== LPFC_NO_BUCKET
))
2836 spin_lock_irq(shost
->host_lock
);
2837 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2838 if (!NLP_CHK_NODE_ACT(ndlp
) || !ndlp
->lat_data
)
2841 if (nport_index
> 0) {
2846 if ((index
+ MAX_STAT_DATA_SIZE_PER_TARGET
)
2850 if (!ndlp
->lat_data
)
2854 sprintf(&buf
[index
], "%02x%02x%02x%02x%02x%02x%02x%02x:",
2855 ndlp
->nlp_portname
.u
.wwn
[0],
2856 ndlp
->nlp_portname
.u
.wwn
[1],
2857 ndlp
->nlp_portname
.u
.wwn
[2],
2858 ndlp
->nlp_portname
.u
.wwn
[3],
2859 ndlp
->nlp_portname
.u
.wwn
[4],
2860 ndlp
->nlp_portname
.u
.wwn
[5],
2861 ndlp
->nlp_portname
.u
.wwn
[6],
2862 ndlp
->nlp_portname
.u
.wwn
[7]);
2864 index
= strlen(buf
);
2866 for (i
= 0; i
< LPFC_MAX_BUCKET_COUNT
; i
++) {
2867 sprintf(&buf
[index
], "%010u,",
2868 ndlp
->lat_data
[i
].cmd_count
);
2869 index
= strlen(buf
);
2871 sprintf(&buf
[index
], "\n");
2872 index
= strlen(buf
);
2874 spin_unlock_irq(shost
->host_lock
);
2878 static struct bin_attribute sysfs_drvr_stat_data_attr
= {
2880 .name
= "lpfc_drvr_stat_data",
2883 .size
= LPFC_MAX_TARGET
* MAX_STAT_DATA_SIZE_PER_TARGET
,
2884 .read
= sysfs_drvr_stat_data_read
,
2889 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
2891 # Value range is [0,16]. Default value is 0.
2894 * lpfc_link_speed_set - Set the adapters link speed
2895 * @phba: lpfc_hba pointer.
2896 * @val: link speed value.
2899 * If val is in a valid range then set the adapter's link speed field and
2900 * issue a lip; if the lip fails reset the link speed to the old value.
2903 * If the value is not in range log a kernel error message and return an error.
2906 * zero if val is in range and lip okay.
2907 * non-zero return value from lpfc_issue_lip()
2908 * -EINVAL val out of range
2911 lpfc_link_speed_store(struct device
*dev
, struct device_attribute
*attr
,
2912 const char *buf
, size_t count
)
2914 struct Scsi_Host
*shost
= class_to_shost(dev
);
2915 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2916 struct lpfc_hba
*phba
= vport
->phba
;
2917 int val
= LPFC_USER_LINK_SPEED_AUTO
;
2919 const char *val_buf
= buf
;
2923 if (!strncmp(buf
, "nolip ", strlen("nolip "))) {
2925 val_buf
= &buf
[strlen("nolip ")];
2928 if (!isdigit(val_buf
[0]))
2930 if (sscanf(val_buf
, "%i", &val
) != 1)
2933 if (((val
== LPFC_USER_LINK_SPEED_1G
) && !(phba
->lmt
& LMT_1Gb
)) ||
2934 ((val
== LPFC_USER_LINK_SPEED_2G
) && !(phba
->lmt
& LMT_2Gb
)) ||
2935 ((val
== LPFC_USER_LINK_SPEED_4G
) && !(phba
->lmt
& LMT_4Gb
)) ||
2936 ((val
== LPFC_USER_LINK_SPEED_8G
) && !(phba
->lmt
& LMT_8Gb
)) ||
2937 ((val
== LPFC_USER_LINK_SPEED_10G
) && !(phba
->lmt
& LMT_10Gb
)) ||
2938 ((val
== LPFC_USER_LINK_SPEED_16G
) && !(phba
->lmt
& LMT_16Gb
))) {
2939 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2940 "2879 lpfc_link_speed attribute cannot be set "
2941 "to %d. Speed is not supported by this port.\n",
2945 if ((val
>= 0) && (val
<= LPFC_USER_LINK_SPEED_MAX
) &&
2946 (LPFC_USER_LINK_SPEED_BITMAP
& (1 << val
))) {
2947 prev_val
= phba
->cfg_link_speed
;
2948 phba
->cfg_link_speed
= val
;
2952 err
= lpfc_issue_lip(lpfc_shost_from_vport(phba
->pport
));
2954 phba
->cfg_link_speed
= prev_val
;
2959 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2960 "0469 lpfc_link_speed attribute cannot be set to %d, "
2961 "allowed values are ["LPFC_LINK_SPEED_STRING
"]\n", val
);
2965 static int lpfc_link_speed
= 0;
2966 module_param(lpfc_link_speed
, int, S_IRUGO
);
2967 MODULE_PARM_DESC(lpfc_link_speed
, "Select link speed");
2968 lpfc_param_show(link_speed
)
2971 * lpfc_link_speed_init - Set the adapters link speed
2972 * @phba: lpfc_hba pointer.
2973 * @val: link speed value.
2976 * If val is in a valid range then set the adapter's link speed field.
2979 * If the value is not in range log a kernel error message, clear the link
2980 * speed and return an error.
2983 * zero if val saved.
2984 * -EINVAL val out of range
2987 lpfc_link_speed_init(struct lpfc_hba
*phba
, int val
)
2989 if ((val
>= 0) && (val
<= LPFC_USER_LINK_SPEED_MAX
) &&
2990 (LPFC_USER_LINK_SPEED_BITMAP
& (1 << val
))) {
2991 phba
->cfg_link_speed
= val
;
2994 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2995 "0405 lpfc_link_speed attribute cannot "
2996 "be set to %d, allowed values are "
2997 "["LPFC_LINK_SPEED_STRING
"]\n", val
);
2998 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
3002 static DEVICE_ATTR(lpfc_link_speed
, S_IRUGO
| S_IWUSR
,
3003 lpfc_link_speed_show
, lpfc_link_speed_store
);
3006 # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER)
3007 # 0 = aer disabled or not supported
3008 # 1 = aer supported and enabled (default)
3009 # Value range is [0,1]. Default value is 1.
3013 * lpfc_aer_support_store - Set the adapter for aer support
3015 * @dev: class device that is converted into a Scsi_host.
3016 * @attr: device attribute, not used.
3017 * @buf: containing the string "selective".
3018 * @count: unused variable.
3021 * If the val is 1 and currently the device's AER capability was not
3022 * enabled, invoke the kernel's enable AER helper routine, trying to
3023 * enable the device's AER capability. If the helper routine enabling
3024 * AER returns success, update the device's cfg_aer_support flag to
3025 * indicate AER is supported by the device; otherwise, if the device
3026 * AER capability is already enabled to support AER, then do nothing.
3028 * If the val is 0 and currently the device's AER support was enabled,
3029 * invoke the kernel's disable AER helper routine. After that, update
3030 * the device's cfg_aer_support flag to indicate AER is not supported
3031 * by the device; otherwise, if the device AER capability is already
3032 * disabled from supporting AER, then do nothing.
3035 * length of the buf on success if val is in range the intended mode
3037 * -EINVAL if val out of range or intended mode is not supported.
3040 lpfc_aer_support_store(struct device
*dev
, struct device_attribute
*attr
,
3041 const char *buf
, size_t count
)
3043 struct Scsi_Host
*shost
= class_to_shost(dev
);
3044 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
3045 struct lpfc_hba
*phba
= vport
->phba
;
3046 int val
= 0, rc
= -EINVAL
;
3048 if (!isdigit(buf
[0]))
3050 if (sscanf(buf
, "%i", &val
) != 1)
3055 if (phba
->hba_flag
& HBA_AER_ENABLED
) {
3056 rc
= pci_disable_pcie_error_reporting(phba
->pcidev
);
3058 spin_lock_irq(&phba
->hbalock
);
3059 phba
->hba_flag
&= ~HBA_AER_ENABLED
;
3060 spin_unlock_irq(&phba
->hbalock
);
3061 phba
->cfg_aer_support
= 0;
3066 phba
->cfg_aer_support
= 0;
3071 if (!(phba
->hba_flag
& HBA_AER_ENABLED
)) {
3072 rc
= pci_enable_pcie_error_reporting(phba
->pcidev
);
3074 spin_lock_irq(&phba
->hbalock
);
3075 phba
->hba_flag
|= HBA_AER_ENABLED
;
3076 spin_unlock_irq(&phba
->hbalock
);
3077 phba
->cfg_aer_support
= 1;
3082 phba
->cfg_aer_support
= 1;
3093 static int lpfc_aer_support
= 1;
3094 module_param(lpfc_aer_support
, int, S_IRUGO
);
3095 MODULE_PARM_DESC(lpfc_aer_support
, "Enable PCIe device AER support");
3096 lpfc_param_show(aer_support
)
3099 * lpfc_aer_support_init - Set the initial adapters aer support flag
3100 * @phba: lpfc_hba pointer.
3101 * @val: link speed value.
3104 * If val is in a valid range [0,1], then set the adapter's initial
3105 * cfg_aer_support field. It will be up to the driver's probe_one
3106 * routine to determine whether the device's AER support can be set
3110 * If the value is not in range log a kernel error message, and
3111 * choose the default value of setting AER support and return.
3114 * zero if val saved.
3115 * -EINVAL val out of range
3118 lpfc_aer_support_init(struct lpfc_hba
*phba
, int val
)
3120 if (val
== 0 || val
== 1) {
3121 phba
->cfg_aer_support
= val
;
3124 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3125 "2712 lpfc_aer_support attribute value %d out "
3126 "of range, allowed values are 0|1, setting it "
3127 "to default value of 1\n", val
);
3128 /* By default, try to enable AER on a device */
3129 phba
->cfg_aer_support
= 1;
3133 static DEVICE_ATTR(lpfc_aer_support
, S_IRUGO
| S_IWUSR
,
3134 lpfc_aer_support_show
, lpfc_aer_support_store
);
3137 * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device
3138 * @dev: class device that is converted into a Scsi_host.
3139 * @attr: device attribute, not used.
3140 * @buf: containing the string "selective".
3141 * @count: unused variable.
3144 * If the @buf contains 1 and the device currently has the AER support
3145 * enabled, then invokes the kernel AER helper routine
3146 * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable
3147 * error status register.
3152 * -EINVAL if the buf does not contain the 1 or the device is not currently
3153 * enabled with the AER support.
3156 lpfc_aer_cleanup_state(struct device
*dev
, struct device_attribute
*attr
,
3157 const char *buf
, size_t count
)
3159 struct Scsi_Host
*shost
= class_to_shost(dev
);
3160 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3161 struct lpfc_hba
*phba
= vport
->phba
;
3164 if (!isdigit(buf
[0]))
3166 if (sscanf(buf
, "%i", &val
) != 1)
3171 if (phba
->hba_flag
& HBA_AER_ENABLED
)
3172 rc
= pci_cleanup_aer_uncorrect_error_status(phba
->pcidev
);
3180 static DEVICE_ATTR(lpfc_aer_state_cleanup
, S_IWUSR
, NULL
,
3181 lpfc_aer_cleanup_state
);
3184 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
3185 # Value range is [2,3]. Default value is 3.
3187 LPFC_VPORT_ATTR_R(fcp_class
, 3, 2, 3,
3188 "Select Fibre Channel class of service for FCP sequences");
3191 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
3192 # is [0,1]. Default value is 0.
3194 LPFC_VPORT_ATTR_RW(use_adisc
, 0, 0, 1,
3195 "Use ADISC on rediscovery to authenticate FCP devices");
3198 # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue
3199 # depth. Default value is 0. When the value of this parameter is zero the
3200 # SCSI command completion time is not used for controlling I/O queue depth. When
3201 # the parameter is set to a non-zero value, the I/O queue depth is controlled
3202 # to limit the I/O completion time to the parameter value.
3203 # The value is set in milliseconds.
3205 static int lpfc_max_scsicmpl_time
;
3206 module_param(lpfc_max_scsicmpl_time
, int, S_IRUGO
);
3207 MODULE_PARM_DESC(lpfc_max_scsicmpl_time
,
3208 "Use command completion time to control queue depth");
3209 lpfc_vport_param_show(max_scsicmpl_time
);
3210 lpfc_vport_param_init(max_scsicmpl_time
, 0, 0, 60000);
3212 lpfc_max_scsicmpl_time_set(struct lpfc_vport
*vport
, int val
)
3214 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3215 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
3217 if (val
== vport
->cfg_max_scsicmpl_time
)
3219 if ((val
< 0) || (val
> 60000))
3221 vport
->cfg_max_scsicmpl_time
= val
;
3223 spin_lock_irq(shost
->host_lock
);
3224 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
3225 if (!NLP_CHK_NODE_ACT(ndlp
))
3227 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
3229 ndlp
->cmd_qdepth
= vport
->cfg_tgt_queue_depth
;
3231 spin_unlock_irq(shost
->host_lock
);
3234 lpfc_vport_param_store(max_scsicmpl_time
);
3235 static DEVICE_ATTR(lpfc_max_scsicmpl_time
, S_IRUGO
| S_IWUSR
,
3236 lpfc_max_scsicmpl_time_show
,
3237 lpfc_max_scsicmpl_time_store
);
3240 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
3241 # range is [0,1]. Default value is 0.
3243 LPFC_ATTR_R(ack0
, 0, 0, 1, "Enable ACK0 support");
3246 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
3247 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
3248 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
3249 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
3250 # cr_delay is set to 0.
3252 LPFC_ATTR_RW(cr_delay
, 0, 0, 63, "A count of milliseconds after which an "
3253 "interrupt response is generated");
3255 LPFC_ATTR_RW(cr_count
, 1, 1, 255, "A count of I/O completions after which an "
3256 "interrupt response is generated");
3259 # lpfc_multi_ring_support: Determines how many rings to spread available
3260 # cmd/rsp IOCB entries across.
3261 # Value range is [1,2]. Default value is 1.
3263 LPFC_ATTR_R(multi_ring_support
, 1, 1, 2, "Determines number of primary "
3264 "SLI rings to spread IOCB entries across");
3267 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
3268 # identifies what rctl value to configure the additional ring for.
3269 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
3271 LPFC_ATTR_R(multi_ring_rctl
, FC_RCTL_DD_UNSOL_DATA
, 1,
3272 255, "Identifies RCTL for additional ring configuration");
3275 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
3276 # identifies what type value to configure the additional ring for.
3277 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
3279 LPFC_ATTR_R(multi_ring_type
, FC_TYPE_IP
, 1,
3280 255, "Identifies TYPE for additional ring configuration");
3283 # lpfc_fdmi_on: controls FDMI support.
3284 # 0 = no FDMI support
3285 # 1 = support FDMI without attribute of hostname
3286 # 2 = support FDMI with attribute of hostname
3287 # Value range [0,2]. Default value is 0.
3289 LPFC_VPORT_ATTR_RW(fdmi_on
, 0, 0, 2, "Enable FDMI support");
3292 # Specifies the maximum number of ELS cmds we can have outstanding (for
3293 # discovery). Value range is [1,64]. Default value = 32.
3295 LPFC_VPORT_ATTR(discovery_threads
, 32, 1, 64, "Maximum number of ELS commands "
3296 "during discovery");
3299 # lpfc_max_luns: maximum allowed LUN.
3300 # Value range is [0,65535]. Default value is 255.
3301 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
3303 LPFC_VPORT_ATTR_R(max_luns
, 255, 0, 65535, "Maximum allowed LUN");
3306 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
3307 # Value range is [1,255], default value is 10.
3309 LPFC_ATTR_RW(poll_tmo
, 10, 1, 255,
3310 "Milliseconds driver will wait between polling FCP ring");
3313 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
3314 # support this feature
3317 # 2 = MSI-X enabled (default)
3318 # Value range is [0,2]. Default value is 2.
3320 LPFC_ATTR_R(use_msi
, 2, 0, 2, "Use Message Signaled Interrupts (1) or "
3321 "MSI-X (2), if possible");
3324 # lpfc_fcp_imax: Set the maximum number of fast-path FCP interrupts per second
3326 # Value range is [636,651042]. Default value is 10000.
3328 LPFC_ATTR_R(fcp_imax
, LPFC_FP_DEF_IMAX
, LPFC_MIM_IMAX
, LPFC_DMULT_CONST
,
3329 "Set the maximum number of fast-path FCP interrupts per second");
3332 # lpfc_fcp_wq_count: Set the number of fast-path FCP work queues
3334 # Value range is [1,31]. Default value is 4.
3336 LPFC_ATTR_R(fcp_wq_count
, LPFC_FP_WQN_DEF
, LPFC_FP_WQN_MIN
, LPFC_FP_WQN_MAX
,
3337 "Set the number of fast-path FCP work queues, if possible");
3340 # lpfc_fcp_eq_count: Set the number of fast-path FCP event queues
3342 # Value range is [1,7]. Default value is 1.
3344 LPFC_ATTR_R(fcp_eq_count
, LPFC_FP_EQN_DEF
, LPFC_FP_EQN_MIN
, LPFC_FP_EQN_MAX
,
3345 "Set the number of fast-path FCP event queues, if possible");
3348 # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
3349 # 0 = HBA resets disabled
3350 # 1 = HBA resets enabled (default)
3351 # Value range is [0,1]. Default value is 1.
3353 LPFC_ATTR_R(enable_hba_reset
, 1, 0, 1, "Enable HBA resets from the driver.");
3356 # lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer..
3357 # 0 = HBA Heartbeat disabled
3358 # 1 = HBA Heartbeat enabled (default)
3359 # Value range is [0,1]. Default value is 1.
3361 LPFC_ATTR_R(enable_hba_heartbeat
, 0, 0, 1, "Enable HBA Heartbeat.");
3364 # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF)
3365 # 0 = BlockGuard disabled (default)
3366 # 1 = BlockGuard enabled
3367 # Value range is [0,1]. Default value is 0.
3369 LPFC_ATTR_R(enable_bg
, 0, 0, 1, "Enable BlockGuard Support");
3373 # - Bit mask of host protection capabilities used to register with the
3375 # - Only meaningful if BG is turned on (lpfc_enable_bg=1).
3376 # - Allows you to ultimately specify which profiles to use
3377 # - Default will result in registering capabilities for all profiles.
3380 unsigned int lpfc_prot_mask
= SHOST_DIF_TYPE1_PROTECTION
;
3382 module_param(lpfc_prot_mask
, uint
, S_IRUGO
);
3383 MODULE_PARM_DESC(lpfc_prot_mask
, "host protection mask");
3386 # lpfc_prot_guard: i
3387 # - Bit mask of protection guard types to register with the SCSI mid-layer
3388 # - Guard types are currently either 1) IP checksum 2) T10-DIF CRC
3389 # - Allows you to ultimately specify which profiles to use
3390 # - Default will result in registering capabilities for all guard types
3393 unsigned char lpfc_prot_guard
= SHOST_DIX_GUARD_IP
;
3394 module_param(lpfc_prot_guard
, byte
, S_IRUGO
);
3395 MODULE_PARM_DESC(lpfc_prot_guard
, "host protection guard type");
3398 * Delay initial NPort discovery when Clean Address bit is cleared in
3399 * FLOGI/FDISC accept and FCID/Fabric name/Fabric portname is changed.
3400 * This parameter can have value 0 or 1.
3401 * When this parameter is set to 0, no delay is added to the initial
3403 * When this parameter is set to non-zero value, initial Nport discovery is
3404 * delayed by ra_tov seconds when Clean Address bit is cleared in FLOGI/FDISC
3405 * accept and FCID/Fabric name/Fabric portname is changed.
3406 * Driver always delay Nport discovery for subsequent FLOGI/FDISC completion
3407 * when Clean Address bit is cleared in FLOGI/FDISC
3408 * accept and FCID/Fabric name/Fabric portname is changed.
3409 * Default value is 0.
3411 int lpfc_delay_discovery
;
3412 module_param(lpfc_delay_discovery
, int, S_IRUGO
);
3413 MODULE_PARM_DESC(lpfc_delay_discovery
,
3414 "Delay NPort discovery when Clean Address bit is cleared. "
3415 "Allowed values: 0,1.");
3418 * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count
3419 * This value can be set to values between 64 and 256. The default value is
3420 * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer
3421 * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE).
3423 LPFC_ATTR_R(sg_seg_cnt
, LPFC_DEFAULT_SG_SEG_CNT
, LPFC_DEFAULT_SG_SEG_CNT
,
3424 LPFC_MAX_SG_SEG_CNT
, "Max Scatter Gather Segment Count");
3426 LPFC_ATTR_R(prot_sg_seg_cnt
, LPFC_DEFAULT_PROT_SG_SEG_CNT
,
3427 LPFC_DEFAULT_PROT_SG_SEG_CNT
, LPFC_MAX_PROT_SG_SEG_CNT
,
3428 "Max Protection Scatter Gather Segment Count");
3430 struct device_attribute
*lpfc_hba_attrs
[] = {
3432 &dev_attr_bg_guard_err
,
3433 &dev_attr_bg_apptag_err
,
3434 &dev_attr_bg_reftag_err
,
3436 &dev_attr_serialnum
,
3437 &dev_attr_modeldesc
,
3438 &dev_attr_modelname
,
3439 &dev_attr_programtype
,
3443 &dev_attr_option_rom_version
,
3444 &dev_attr_link_state
,
3445 &dev_attr_num_discovered_ports
,
3446 &dev_attr_menlo_mgmt_mode
,
3447 &dev_attr_lpfc_drvr_version
,
3448 &dev_attr_lpfc_enable_fip
,
3449 &dev_attr_lpfc_temp_sensor
,
3450 &dev_attr_lpfc_log_verbose
,
3451 &dev_attr_lpfc_lun_queue_depth
,
3452 &dev_attr_lpfc_tgt_queue_depth
,
3453 &dev_attr_lpfc_hba_queue_depth
,
3454 &dev_attr_lpfc_peer_port_login
,
3455 &dev_attr_lpfc_nodev_tmo
,
3456 &dev_attr_lpfc_devloss_tmo
,
3457 &dev_attr_lpfc_fcp_class
,
3458 &dev_attr_lpfc_use_adisc
,
3459 &dev_attr_lpfc_ack0
,
3460 &dev_attr_lpfc_topology
,
3461 &dev_attr_lpfc_scan_down
,
3462 &dev_attr_lpfc_link_speed
,
3463 &dev_attr_lpfc_cr_delay
,
3464 &dev_attr_lpfc_cr_count
,
3465 &dev_attr_lpfc_multi_ring_support
,
3466 &dev_attr_lpfc_multi_ring_rctl
,
3467 &dev_attr_lpfc_multi_ring_type
,
3468 &dev_attr_lpfc_fdmi_on
,
3469 &dev_attr_lpfc_max_luns
,
3470 &dev_attr_lpfc_enable_npiv
,
3471 &dev_attr_lpfc_enable_rrq
,
3472 &dev_attr_nport_evt_cnt
,
3473 &dev_attr_board_mode
,
3480 &dev_attr_npiv_info
,
3481 &dev_attr_issue_reset
,
3482 &dev_attr_lpfc_poll
,
3483 &dev_attr_lpfc_poll_tmo
,
3484 &dev_attr_lpfc_use_msi
,
3485 &dev_attr_lpfc_fcp_imax
,
3486 &dev_attr_lpfc_fcp_wq_count
,
3487 &dev_attr_lpfc_fcp_eq_count
,
3488 &dev_attr_lpfc_enable_bg
,
3489 &dev_attr_lpfc_soft_wwnn
,
3490 &dev_attr_lpfc_soft_wwpn
,
3491 &dev_attr_lpfc_soft_wwn_enable
,
3492 &dev_attr_lpfc_enable_hba_reset
,
3493 &dev_attr_lpfc_enable_hba_heartbeat
,
3494 &dev_attr_lpfc_sg_seg_cnt
,
3495 &dev_attr_lpfc_max_scsicmpl_time
,
3496 &dev_attr_lpfc_stat_data_ctrl
,
3497 &dev_attr_lpfc_prot_sg_seg_cnt
,
3498 &dev_attr_lpfc_aer_support
,
3499 &dev_attr_lpfc_aer_state_cleanup
,
3500 &dev_attr_lpfc_suppress_link_up
,
3501 &dev_attr_lpfc_iocb_cnt
,
3504 &dev_attr_txcmplq_hw
,
3505 &dev_attr_lpfc_fips_level
,
3506 &dev_attr_lpfc_fips_rev
,
3511 struct device_attribute
*lpfc_vport_attrs
[] = {
3513 &dev_attr_link_state
,
3514 &dev_attr_num_discovered_ports
,
3515 &dev_attr_lpfc_drvr_version
,
3516 &dev_attr_lpfc_log_verbose
,
3517 &dev_attr_lpfc_lun_queue_depth
,
3518 &dev_attr_lpfc_tgt_queue_depth
,
3519 &dev_attr_lpfc_nodev_tmo
,
3520 &dev_attr_lpfc_devloss_tmo
,
3521 &dev_attr_lpfc_hba_queue_depth
,
3522 &dev_attr_lpfc_peer_port_login
,
3523 &dev_attr_lpfc_restrict_login
,
3524 &dev_attr_lpfc_fcp_class
,
3525 &dev_attr_lpfc_use_adisc
,
3526 &dev_attr_lpfc_fdmi_on
,
3527 &dev_attr_lpfc_max_luns
,
3528 &dev_attr_nport_evt_cnt
,
3529 &dev_attr_npiv_info
,
3530 &dev_attr_lpfc_enable_da_id
,
3531 &dev_attr_lpfc_max_scsicmpl_time
,
3532 &dev_attr_lpfc_stat_data_ctrl
,
3533 &dev_attr_lpfc_static_vport
,
3534 &dev_attr_lpfc_fips_level
,
3535 &dev_attr_lpfc_fips_rev
,
3540 * sysfs_ctlreg_write - Write method for writing to ctlreg
3541 * @filp: open sysfs file
3542 * @kobj: kernel kobject that contains the kernel class device.
3543 * @bin_attr: kernel attributes passed to us.
3544 * @buf: contains the data to be written to the adapter IOREG space.
3545 * @off: offset into buffer to beginning of data.
3546 * @count: bytes to transfer.
3549 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
3550 * Uses the adapter io control registers to send buf contents to the adapter.
3553 * -ERANGE off and count combo out of range
3554 * -EINVAL off, count or buff address invalid
3555 * -EPERM adapter is offline
3556 * value of count, buf contents written
3559 sysfs_ctlreg_write(struct file
*filp
, struct kobject
*kobj
,
3560 struct bin_attribute
*bin_attr
,
3561 char *buf
, loff_t off
, size_t count
)
3564 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
3565 struct Scsi_Host
*shost
= class_to_shost(dev
);
3566 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3567 struct lpfc_hba
*phba
= vport
->phba
;
3569 if (phba
->sli_rev
>= LPFC_SLI_REV4
)
3572 if ((off
+ count
) > FF_REG_AREA_SIZE
)
3575 if (count
== 0) return 0;
3577 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
3580 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
)) {
3584 spin_lock_irq(&phba
->hbalock
);
3585 for (buf_off
= 0; buf_off
< count
; buf_off
+= sizeof(uint32_t))
3586 writel(*((uint32_t *)(buf
+ buf_off
)),
3587 phba
->ctrl_regs_memmap_p
+ off
+ buf_off
);
3589 spin_unlock_irq(&phba
->hbalock
);
3595 * sysfs_ctlreg_read - Read method for reading from ctlreg
3596 * @filp: open sysfs file
3597 * @kobj: kernel kobject that contains the kernel class device.
3598 * @bin_attr: kernel attributes passed to us.
3599 * @buf: if successful contains the data from the adapter IOREG space.
3600 * @off: offset into buffer to beginning of data.
3601 * @count: bytes to transfer.
3604 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
3605 * Uses the adapter io control registers to read data into buf.
3608 * -ERANGE off and count combo out of range
3609 * -EINVAL off, count or buff address invalid
3610 * value of count, buf contents read
3613 sysfs_ctlreg_read(struct file
*filp
, struct kobject
*kobj
,
3614 struct bin_attribute
*bin_attr
,
3615 char *buf
, loff_t off
, size_t count
)
3619 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
3620 struct Scsi_Host
*shost
= class_to_shost(dev
);
3621 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3622 struct lpfc_hba
*phba
= vport
->phba
;
3624 if (phba
->sli_rev
>= LPFC_SLI_REV4
)
3627 if (off
> FF_REG_AREA_SIZE
)
3630 if ((off
+ count
) > FF_REG_AREA_SIZE
)
3631 count
= FF_REG_AREA_SIZE
- off
;
3633 if (count
== 0) return 0;
3635 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
3638 spin_lock_irq(&phba
->hbalock
);
3640 for (buf_off
= 0; buf_off
< count
; buf_off
+= sizeof(uint32_t)) {
3641 tmp_ptr
= (uint32_t *)(buf
+ buf_off
);
3642 *tmp_ptr
= readl(phba
->ctrl_regs_memmap_p
+ off
+ buf_off
);
3645 spin_unlock_irq(&phba
->hbalock
);
3650 static struct bin_attribute sysfs_ctlreg_attr
= {
3653 .mode
= S_IRUSR
| S_IWUSR
,
3656 .read
= sysfs_ctlreg_read
,
3657 .write
= sysfs_ctlreg_write
,
3661 * sysfs_mbox_idle - frees the sysfs mailbox
3662 * @phba: lpfc_hba pointer
3665 sysfs_mbox_idle(struct lpfc_hba
*phba
)
3667 phba
->sysfs_mbox
.state
= SMBOX_IDLE
;
3668 phba
->sysfs_mbox
.offset
= 0;
3670 if (phba
->sysfs_mbox
.mbox
) {
3671 mempool_free(phba
->sysfs_mbox
.mbox
,
3672 phba
->mbox_mem_pool
);
3673 phba
->sysfs_mbox
.mbox
= NULL
;
3678 * sysfs_mbox_write - Write method for writing information via mbox
3679 * @filp: open sysfs file
3680 * @kobj: kernel kobject that contains the kernel class device.
3681 * @bin_attr: kernel attributes passed to us.
3682 * @buf: contains the data to be written to sysfs mbox.
3683 * @off: offset into buffer to beginning of data.
3684 * @count: bytes to transfer.
3687 * Accessed via /sys/class/scsi_host/hostxxx/mbox.
3688 * Uses the sysfs mbox to send buf contents to the adapter.
3691 * -ERANGE off and count combo out of range
3692 * -EINVAL off, count or buff address invalid
3693 * zero if count is zero
3694 * -EPERM adapter is offline
3695 * -ENOMEM failed to allocate memory for the mail box
3696 * -EAGAIN offset, state or mbox is NULL
3697 * count number of bytes transferred
3700 sysfs_mbox_write(struct file
*filp
, struct kobject
*kobj
,
3701 struct bin_attribute
*bin_attr
,
3702 char *buf
, loff_t off
, size_t count
)
3704 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
3705 struct Scsi_Host
*shost
= class_to_shost(dev
);
3706 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3707 struct lpfc_hba
*phba
= vport
->phba
;
3708 struct lpfcMboxq
*mbox
= NULL
;
3710 if ((count
+ off
) > MAILBOX_CMD_SIZE
)
3713 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
3720 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3723 memset(mbox
, 0, sizeof (LPFC_MBOXQ_t
));
3726 spin_lock_irq(&phba
->hbalock
);
3729 if (phba
->sysfs_mbox
.mbox
)
3730 mempool_free(mbox
, phba
->mbox_mem_pool
);
3732 phba
->sysfs_mbox
.mbox
= mbox
;
3733 phba
->sysfs_mbox
.state
= SMBOX_WRITING
;
3735 if (phba
->sysfs_mbox
.state
!= SMBOX_WRITING
||
3736 phba
->sysfs_mbox
.offset
!= off
||
3737 phba
->sysfs_mbox
.mbox
== NULL
) {
3738 sysfs_mbox_idle(phba
);
3739 spin_unlock_irq(&phba
->hbalock
);
3744 memcpy((uint8_t *) &phba
->sysfs_mbox
.mbox
->u
.mb
+ off
,
3747 phba
->sysfs_mbox
.offset
= off
+ count
;
3749 spin_unlock_irq(&phba
->hbalock
);
3755 * sysfs_mbox_read - Read method for reading information via mbox
3756 * @filp: open sysfs file
3757 * @kobj: kernel kobject that contains the kernel class device.
3758 * @bin_attr: kernel attributes passed to us.
3759 * @buf: contains the data to be read from sysfs mbox.
3760 * @off: offset into buffer to beginning of data.
3761 * @count: bytes to transfer.
3764 * Accessed via /sys/class/scsi_host/hostxxx/mbox.
3765 * Uses the sysfs mbox to receive data from to the adapter.
3768 * -ERANGE off greater than mailbox command size
3769 * -EINVAL off, count or buff address invalid
3770 * zero if off and count are zero
3771 * -EACCES adapter over temp
3772 * -EPERM garbage can value to catch a multitude of errors
3773 * -EAGAIN management IO not permitted, state or off error
3774 * -ETIME mailbox timeout
3775 * -ENODEV mailbox error
3776 * count number of bytes transferred
3779 sysfs_mbox_read(struct file
*filp
, struct kobject
*kobj
,
3780 struct bin_attribute
*bin_attr
,
3781 char *buf
, loff_t off
, size_t count
)
3783 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
3784 struct Scsi_Host
*shost
= class_to_shost(dev
);
3785 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3786 struct lpfc_hba
*phba
= vport
->phba
;
3790 if (off
> MAILBOX_CMD_SIZE
)
3793 if ((count
+ off
) > MAILBOX_CMD_SIZE
)
3794 count
= MAILBOX_CMD_SIZE
- off
;
3796 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
3799 if (off
&& count
== 0)
3802 spin_lock_irq(&phba
->hbalock
);
3804 if (phba
->over_temp_state
== HBA_OVER_TEMP
) {
3805 sysfs_mbox_idle(phba
);
3806 spin_unlock_irq(&phba
->hbalock
);
3811 phba
->sysfs_mbox
.state
== SMBOX_WRITING
&&
3812 phba
->sysfs_mbox
.offset
>= 2 * sizeof(uint32_t)) {
3813 pmb
= &phba
->sysfs_mbox
.mbox
->u
.mb
;
3814 switch (pmb
->mbxCommand
) {
3818 case MBX_CONFIG_LINK
:
3819 case MBX_CONFIG_RING
:
3820 case MBX_RESET_RING
:
3821 case MBX_UNREG_LOGIN
:
3823 case MBX_DUMP_CONTEXT
:
3828 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
)) {
3829 printk(KERN_WARNING
"mbox_read:Command 0x%x "
3830 "is illegal in on-line state\n",
3832 sysfs_mbox_idle(phba
);
3833 spin_unlock_irq(&phba
->hbalock
);
3837 case MBX_WRITE_VPARMS
:
3840 case MBX_READ_CONFIG
:
3841 case MBX_READ_RCONFIG
:
3842 case MBX_READ_STATUS
:
3845 case MBX_READ_LNK_STAT
:
3846 case MBX_DUMP_MEMORY
:
3848 case MBX_UPDATE_CFG
:
3849 case MBX_KILL_BOARD
:
3851 case MBX_LOAD_EXP_ROM
:
3853 case MBX_DEL_LD_ENTRY
:
3854 case MBX_SET_VARIABLE
:
3856 case MBX_PORT_CAPABILITIES
:
3857 case MBX_PORT_IOV_CONTROL
:
3859 case MBX_SECURITY_MGMT
:
3861 if (phba
->pci_dev_grp
== LPFC_PCI_DEV_OC
) {
3862 printk(KERN_WARNING
"mbox_read:Command 0x%x "
3863 "is not permitted\n", pmb
->mbxCommand
);
3864 sysfs_mbox_idle(phba
);
3865 spin_unlock_irq(&phba
->hbalock
);
3869 case MBX_READ_SPARM64
:
3870 case MBX_READ_TOPOLOGY
:
3872 case MBX_REG_LOGIN64
:
3873 case MBX_CONFIG_PORT
:
3874 case MBX_RUN_BIU_DIAG
:
3875 printk(KERN_WARNING
"mbox_read: Illegal Command 0x%x\n",
3877 sysfs_mbox_idle(phba
);
3878 spin_unlock_irq(&phba
->hbalock
);
3881 printk(KERN_WARNING
"mbox_read: Unknown Command 0x%x\n",
3883 sysfs_mbox_idle(phba
);
3884 spin_unlock_irq(&phba
->hbalock
);
3888 /* If HBA encountered an error attention, allow only DUMP
3889 * or RESTART mailbox commands until the HBA is restarted.
3891 if (phba
->pport
->stopped
&&
3892 pmb
->mbxCommand
!= MBX_DUMP_MEMORY
&&
3893 pmb
->mbxCommand
!= MBX_RESTART
&&
3894 pmb
->mbxCommand
!= MBX_WRITE_VPARMS
&&
3895 pmb
->mbxCommand
!= MBX_WRITE_WWN
)
3896 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
3897 "1259 mbox: Issued mailbox cmd "
3898 "0x%x while in stopped state.\n",
3901 phba
->sysfs_mbox
.mbox
->vport
= vport
;
3903 /* Don't allow mailbox commands to be sent when blocked
3904 * or when in the middle of discovery
3906 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
) {
3907 sysfs_mbox_idle(phba
);
3908 spin_unlock_irq(&phba
->hbalock
);
3912 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
3913 (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
))) {
3915 spin_unlock_irq(&phba
->hbalock
);
3916 rc
= lpfc_sli_issue_mbox (phba
,
3917 phba
->sysfs_mbox
.mbox
,
3919 spin_lock_irq(&phba
->hbalock
);
3922 spin_unlock_irq(&phba
->hbalock
);
3923 rc
= lpfc_sli_issue_mbox_wait (phba
,
3924 phba
->sysfs_mbox
.mbox
,
3925 lpfc_mbox_tmo_val(phba
, pmb
->mbxCommand
) * HZ
);
3926 spin_lock_irq(&phba
->hbalock
);
3929 if (rc
!= MBX_SUCCESS
) {
3930 if (rc
== MBX_TIMEOUT
) {
3931 phba
->sysfs_mbox
.mbox
= NULL
;
3933 sysfs_mbox_idle(phba
);
3934 spin_unlock_irq(&phba
->hbalock
);
3935 return (rc
== MBX_TIMEOUT
) ? -ETIME
: -ENODEV
;
3937 phba
->sysfs_mbox
.state
= SMBOX_READING
;
3939 else if (phba
->sysfs_mbox
.offset
!= off
||
3940 phba
->sysfs_mbox
.state
!= SMBOX_READING
) {
3941 printk(KERN_WARNING
"mbox_read: Bad State\n");
3942 sysfs_mbox_idle(phba
);
3943 spin_unlock_irq(&phba
->hbalock
);
3947 memcpy(buf
, (uint8_t *) &pmb
+ off
, count
);
3949 phba
->sysfs_mbox
.offset
= off
+ count
;
3951 if (phba
->sysfs_mbox
.offset
== MAILBOX_CMD_SIZE
)
3952 sysfs_mbox_idle(phba
);
3954 spin_unlock_irq(&phba
->hbalock
);
3959 static struct bin_attribute sysfs_mbox_attr
= {
3962 .mode
= S_IRUSR
| S_IWUSR
,
3964 .size
= MAILBOX_CMD_SIZE
,
3965 .read
= sysfs_mbox_read
,
3966 .write
= sysfs_mbox_write
,
3970 * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries
3971 * @vport: address of lpfc vport structure.
3975 * error return code from sysfs_create_bin_file()
3978 lpfc_alloc_sysfs_attr(struct lpfc_vport
*vport
)
3980 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3983 error
= sysfs_create_bin_file(&shost
->shost_dev
.kobj
,
3984 &sysfs_drvr_stat_data_attr
);
3986 /* Virtual ports do not need ctrl_reg and mbox */
3987 if (error
|| vport
->port_type
== LPFC_NPIV_PORT
)
3990 error
= sysfs_create_bin_file(&shost
->shost_dev
.kobj
,
3991 &sysfs_ctlreg_attr
);
3993 goto out_remove_stat_attr
;
3995 error
= sysfs_create_bin_file(&shost
->shost_dev
.kobj
,
3998 goto out_remove_ctlreg_attr
;
4001 out_remove_ctlreg_attr
:
4002 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
, &sysfs_ctlreg_attr
);
4003 out_remove_stat_attr
:
4004 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
,
4005 &sysfs_drvr_stat_data_attr
);
4011 * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries
4012 * @vport: address of lpfc vport structure.
4015 lpfc_free_sysfs_attr(struct lpfc_vport
*vport
)
4017 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4018 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
,
4019 &sysfs_drvr_stat_data_attr
);
4020 /* Virtual ports do not need ctrl_reg and mbox */
4021 if (vport
->port_type
== LPFC_NPIV_PORT
)
4023 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
, &sysfs_mbox_attr
);
4024 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
, &sysfs_ctlreg_attr
);
4029 * Dynamic FC Host Attributes Support
4033 * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id
4034 * @shost: kernel scsi host pointer.
4037 lpfc_get_host_port_id(struct Scsi_Host
*shost
)
4039 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4041 /* note: fc_myDID already in cpu endianness */
4042 fc_host_port_id(shost
) = vport
->fc_myDID
;
4046 * lpfc_get_host_port_type - Set the value of the scsi host port type
4047 * @shost: kernel scsi host pointer.
4050 lpfc_get_host_port_type(struct Scsi_Host
*shost
)
4052 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4053 struct lpfc_hba
*phba
= vport
->phba
;
4055 spin_lock_irq(shost
->host_lock
);
4057 if (vport
->port_type
== LPFC_NPIV_PORT
) {
4058 fc_host_port_type(shost
) = FC_PORTTYPE_NPIV
;
4059 } else if (lpfc_is_link_up(phba
)) {
4060 if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
4061 if (vport
->fc_flag
& FC_PUBLIC_LOOP
)
4062 fc_host_port_type(shost
) = FC_PORTTYPE_NLPORT
;
4064 fc_host_port_type(shost
) = FC_PORTTYPE_LPORT
;
4066 if (vport
->fc_flag
& FC_FABRIC
)
4067 fc_host_port_type(shost
) = FC_PORTTYPE_NPORT
;
4069 fc_host_port_type(shost
) = FC_PORTTYPE_PTP
;
4072 fc_host_port_type(shost
) = FC_PORTTYPE_UNKNOWN
;
4074 spin_unlock_irq(shost
->host_lock
);
4078 * lpfc_get_host_port_state - Set the value of the scsi host port state
4079 * @shost: kernel scsi host pointer.
4082 lpfc_get_host_port_state(struct Scsi_Host
*shost
)
4084 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4085 struct lpfc_hba
*phba
= vport
->phba
;
4087 spin_lock_irq(shost
->host_lock
);
4089 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
4090 fc_host_port_state(shost
) = FC_PORTSTATE_OFFLINE
;
4092 switch (phba
->link_state
) {
4093 case LPFC_LINK_UNKNOWN
:
4094 case LPFC_LINK_DOWN
:
4095 fc_host_port_state(shost
) = FC_PORTSTATE_LINKDOWN
;
4099 case LPFC_HBA_READY
:
4100 /* Links up, beyond this port_type reports state */
4101 fc_host_port_state(shost
) = FC_PORTSTATE_ONLINE
;
4103 case LPFC_HBA_ERROR
:
4104 fc_host_port_state(shost
) = FC_PORTSTATE_ERROR
;
4107 fc_host_port_state(shost
) = FC_PORTSTATE_UNKNOWN
;
4112 spin_unlock_irq(shost
->host_lock
);
4116 * lpfc_get_host_speed - Set the value of the scsi host speed
4117 * @shost: kernel scsi host pointer.
4120 lpfc_get_host_speed(struct Scsi_Host
*shost
)
4122 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4123 struct lpfc_hba
*phba
= vport
->phba
;
4125 spin_lock_irq(shost
->host_lock
);
4127 if (lpfc_is_link_up(phba
)) {
4128 switch(phba
->fc_linkspeed
) {
4129 case LPFC_LINK_SPEED_1GHZ
:
4130 fc_host_speed(shost
) = FC_PORTSPEED_1GBIT
;
4132 case LPFC_LINK_SPEED_2GHZ
:
4133 fc_host_speed(shost
) = FC_PORTSPEED_2GBIT
;
4135 case LPFC_LINK_SPEED_4GHZ
:
4136 fc_host_speed(shost
) = FC_PORTSPEED_4GBIT
;
4138 case LPFC_LINK_SPEED_8GHZ
:
4139 fc_host_speed(shost
) = FC_PORTSPEED_8GBIT
;
4141 case LPFC_LINK_SPEED_10GHZ
:
4142 fc_host_speed(shost
) = FC_PORTSPEED_10GBIT
;
4144 case LPFC_LINK_SPEED_16GHZ
:
4145 fc_host_speed(shost
) = FC_PORTSPEED_16GBIT
;
4148 fc_host_speed(shost
) = FC_PORTSPEED_UNKNOWN
;
4152 fc_host_speed(shost
) = FC_PORTSPEED_UNKNOWN
;
4154 spin_unlock_irq(shost
->host_lock
);
4158 * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name
4159 * @shost: kernel scsi host pointer.
4162 lpfc_get_host_fabric_name (struct Scsi_Host
*shost
)
4164 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4165 struct lpfc_hba
*phba
= vport
->phba
;
4168 spin_lock_irq(shost
->host_lock
);
4170 if ((vport
->fc_flag
& FC_FABRIC
) ||
4171 ((phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) &&
4172 (vport
->fc_flag
& FC_PUBLIC_LOOP
)))
4173 node_name
= wwn_to_u64(phba
->fc_fabparam
.nodeName
.u
.wwn
);
4175 /* fabric is local port if there is no F/FL_Port */
4178 spin_unlock_irq(shost
->host_lock
);
4180 fc_host_fabric_name(shost
) = node_name
;
4184 * lpfc_get_stats - Return statistical information about the adapter
4185 * @shost: kernel scsi host pointer.
4188 * NULL on error for link down, no mbox pool, sli2 active,
4189 * management not allowed, memory allocation error, or mbox error.
4193 * address of the adapter host statistics
4195 static struct fc_host_statistics
*
4196 lpfc_get_stats(struct Scsi_Host
*shost
)
4198 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4199 struct lpfc_hba
*phba
= vport
->phba
;
4200 struct lpfc_sli
*psli
= &phba
->sli
;
4201 struct fc_host_statistics
*hs
= &phba
->link_stats
;
4202 struct lpfc_lnk_stat
* lso
= &psli
->lnk_stat_offsets
;
4203 LPFC_MBOXQ_t
*pmboxq
;
4205 unsigned long seconds
;
4209 * prevent udev from issuing mailbox commands until the port is
4212 if (phba
->link_state
< LPFC_LINK_DOWN
||
4213 !phba
->mbox_mem_pool
||
4214 (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
) == 0)
4217 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
4220 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4223 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
4225 pmb
= &pmboxq
->u
.mb
;
4226 pmb
->mbxCommand
= MBX_READ_STATUS
;
4227 pmb
->mbxOwner
= OWN_HOST
;
4228 pmboxq
->context1
= NULL
;
4229 pmboxq
->vport
= vport
;
4231 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
4232 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
4234 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
4236 if (rc
!= MBX_SUCCESS
) {
4237 if (rc
!= MBX_TIMEOUT
)
4238 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
4242 memset(hs
, 0, sizeof (struct fc_host_statistics
));
4244 hs
->tx_frames
= pmb
->un
.varRdStatus
.xmitFrameCnt
;
4245 hs
->tx_words
= (pmb
->un
.varRdStatus
.xmitByteCnt
* 256);
4246 hs
->rx_frames
= pmb
->un
.varRdStatus
.rcvFrameCnt
;
4247 hs
->rx_words
= (pmb
->un
.varRdStatus
.rcvByteCnt
* 256);
4249 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
4250 pmb
->mbxCommand
= MBX_READ_LNK_STAT
;
4251 pmb
->mbxOwner
= OWN_HOST
;
4252 pmboxq
->context1
= NULL
;
4253 pmboxq
->vport
= vport
;
4255 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
4256 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
4258 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
4260 if (rc
!= MBX_SUCCESS
) {
4261 if (rc
!= MBX_TIMEOUT
)
4262 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
4266 hs
->link_failure_count
= pmb
->un
.varRdLnk
.linkFailureCnt
;
4267 hs
->loss_of_sync_count
= pmb
->un
.varRdLnk
.lossSyncCnt
;
4268 hs
->loss_of_signal_count
= pmb
->un
.varRdLnk
.lossSignalCnt
;
4269 hs
->prim_seq_protocol_err_count
= pmb
->un
.varRdLnk
.primSeqErrCnt
;
4270 hs
->invalid_tx_word_count
= pmb
->un
.varRdLnk
.invalidXmitWord
;
4271 hs
->invalid_crc_count
= pmb
->un
.varRdLnk
.crcCnt
;
4272 hs
->error_frames
= pmb
->un
.varRdLnk
.crcCnt
;
4274 hs
->link_failure_count
-= lso
->link_failure_count
;
4275 hs
->loss_of_sync_count
-= lso
->loss_of_sync_count
;
4276 hs
->loss_of_signal_count
-= lso
->loss_of_signal_count
;
4277 hs
->prim_seq_protocol_err_count
-= lso
->prim_seq_protocol_err_count
;
4278 hs
->invalid_tx_word_count
-= lso
->invalid_tx_word_count
;
4279 hs
->invalid_crc_count
-= lso
->invalid_crc_count
;
4280 hs
->error_frames
-= lso
->error_frames
;
4282 if (phba
->hba_flag
& HBA_FCOE_MODE
) {
4284 hs
->nos_count
= (phba
->link_events
>> 1);
4285 hs
->nos_count
-= lso
->link_events
;
4286 } else if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
4287 hs
->lip_count
= (phba
->fc_eventTag
>> 1);
4288 hs
->lip_count
-= lso
->link_events
;
4292 hs
->nos_count
= (phba
->fc_eventTag
>> 1);
4293 hs
->nos_count
-= lso
->link_events
;
4296 hs
->dumped_frames
= -1;
4298 seconds
= get_seconds();
4299 if (seconds
< psli
->stats_start
)
4300 hs
->seconds_since_last_reset
= seconds
+
4301 ((unsigned long)-1 - psli
->stats_start
);
4303 hs
->seconds_since_last_reset
= seconds
- psli
->stats_start
;
4305 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
4311 * lpfc_reset_stats - Copy the adapter link stats information
4312 * @shost: kernel scsi host pointer.
4315 lpfc_reset_stats(struct Scsi_Host
*shost
)
4317 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4318 struct lpfc_hba
*phba
= vport
->phba
;
4319 struct lpfc_sli
*psli
= &phba
->sli
;
4320 struct lpfc_lnk_stat
*lso
= &psli
->lnk_stat_offsets
;
4321 LPFC_MBOXQ_t
*pmboxq
;
4325 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
4328 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4331 memset(pmboxq
, 0, sizeof(LPFC_MBOXQ_t
));
4333 pmb
= &pmboxq
->u
.mb
;
4334 pmb
->mbxCommand
= MBX_READ_STATUS
;
4335 pmb
->mbxOwner
= OWN_HOST
;
4336 pmb
->un
.varWords
[0] = 0x1; /* reset request */
4337 pmboxq
->context1
= NULL
;
4338 pmboxq
->vport
= vport
;
4340 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
4341 (!(psli
->sli_flag
& LPFC_SLI_ACTIVE
)))
4342 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
4344 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
4346 if (rc
!= MBX_SUCCESS
) {
4347 if (rc
!= MBX_TIMEOUT
)
4348 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
4352 memset(pmboxq
, 0, sizeof(LPFC_MBOXQ_t
));
4353 pmb
->mbxCommand
= MBX_READ_LNK_STAT
;
4354 pmb
->mbxOwner
= OWN_HOST
;
4355 pmboxq
->context1
= NULL
;
4356 pmboxq
->vport
= vport
;
4358 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
4359 (!(psli
->sli_flag
& LPFC_SLI_ACTIVE
)))
4360 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
4362 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
4364 if (rc
!= MBX_SUCCESS
) {
4365 if (rc
!= MBX_TIMEOUT
)
4366 mempool_free( pmboxq
, phba
->mbox_mem_pool
);
4370 lso
->link_failure_count
= pmb
->un
.varRdLnk
.linkFailureCnt
;
4371 lso
->loss_of_sync_count
= pmb
->un
.varRdLnk
.lossSyncCnt
;
4372 lso
->loss_of_signal_count
= pmb
->un
.varRdLnk
.lossSignalCnt
;
4373 lso
->prim_seq_protocol_err_count
= pmb
->un
.varRdLnk
.primSeqErrCnt
;
4374 lso
->invalid_tx_word_count
= pmb
->un
.varRdLnk
.invalidXmitWord
;
4375 lso
->invalid_crc_count
= pmb
->un
.varRdLnk
.crcCnt
;
4376 lso
->error_frames
= pmb
->un
.varRdLnk
.crcCnt
;
4377 if (phba
->hba_flag
& HBA_FCOE_MODE
)
4378 lso
->link_events
= (phba
->link_events
>> 1);
4380 lso
->link_events
= (phba
->fc_eventTag
>> 1);
4382 psli
->stats_start
= get_seconds();
4384 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
4390 * The LPFC driver treats linkdown handling as target loss events so there
4391 * are no sysfs handlers for link_down_tmo.
4395 * lpfc_get_node_by_target - Return the nodelist for a target
4396 * @starget: kernel scsi target pointer.
4399 * address of the node list if found
4400 * NULL target not found
4402 static struct lpfc_nodelist
*
4403 lpfc_get_node_by_target(struct scsi_target
*starget
)
4405 struct Scsi_Host
*shost
= dev_to_shost(starget
->dev
.parent
);
4406 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4407 struct lpfc_nodelist
*ndlp
;
4409 spin_lock_irq(shost
->host_lock
);
4410 /* Search for this, mapped, target ID */
4411 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
4412 if (NLP_CHK_NODE_ACT(ndlp
) &&
4413 ndlp
->nlp_state
== NLP_STE_MAPPED_NODE
&&
4414 starget
->id
== ndlp
->nlp_sid
) {
4415 spin_unlock_irq(shost
->host_lock
);
4419 spin_unlock_irq(shost
->host_lock
);
4424 * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1
4425 * @starget: kernel scsi target pointer.
4428 lpfc_get_starget_port_id(struct scsi_target
*starget
)
4430 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
4432 fc_starget_port_id(starget
) = ndlp
? ndlp
->nlp_DID
: -1;
4436 * lpfc_get_starget_node_name - Set the target node name
4437 * @starget: kernel scsi target pointer.
4439 * Description: Set the target node name to the ndlp node name wwn or zero.
4442 lpfc_get_starget_node_name(struct scsi_target
*starget
)
4444 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
4446 fc_starget_node_name(starget
) =
4447 ndlp
? wwn_to_u64(ndlp
->nlp_nodename
.u
.wwn
) : 0;
4451 * lpfc_get_starget_port_name - Set the target port name
4452 * @starget: kernel scsi target pointer.
4454 * Description: set the target port name to the ndlp port name wwn or zero.
4457 lpfc_get_starget_port_name(struct scsi_target
*starget
)
4459 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
4461 fc_starget_port_name(starget
) =
4462 ndlp
? wwn_to_u64(ndlp
->nlp_portname
.u
.wwn
) : 0;
4466 * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo
4467 * @rport: fc rport address.
4468 * @timeout: new value for dev loss tmo.
4471 * If timeout is non zero set the dev_loss_tmo to timeout, else set
4472 * dev_loss_tmo to one.
4475 lpfc_set_rport_loss_tmo(struct fc_rport
*rport
, uint32_t timeout
)
4478 rport
->dev_loss_tmo
= timeout
;
4480 rport
->dev_loss_tmo
= 1;
4484 * lpfc_rport_show_function - Return rport target information
4487 * Macro that uses field to generate a function with the name lpfc_show_rport_
4489 * lpfc_show_rport_##field: returns the bytes formatted in buf
4490 * @cdev: class converted to an fc_rport.
4491 * @buf: on return contains the target_field or zero.
4493 * Returns: size of formatted string.
4495 #define lpfc_rport_show_function(field, format_string, sz, cast) \
4497 lpfc_show_rport_##field (struct device *dev, \
4498 struct device_attribute *attr, \
4501 struct fc_rport *rport = transport_class_to_rport(dev); \
4502 struct lpfc_rport_data *rdata = rport->hostdata; \
4503 return snprintf(buf, sz, format_string, \
4504 (rdata->target) ? cast rdata->target->field : 0); \
4507 #define lpfc_rport_rd_attr(field, format_string, sz) \
4508 lpfc_rport_show_function(field, format_string, sz, ) \
4509 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
4512 * lpfc_set_vport_symbolic_name - Set the vport's symbolic name
4513 * @fc_vport: The fc_vport who's symbolic name has been changed.
4516 * This function is called by the transport after the @fc_vport's symbolic name
4517 * has been changed. This function re-registers the symbolic name with the
4518 * switch to propagate the change into the fabric if the vport is active.
4521 lpfc_set_vport_symbolic_name(struct fc_vport
*fc_vport
)
4523 struct lpfc_vport
*vport
= *(struct lpfc_vport
**)fc_vport
->dd_data
;
4525 if (vport
->port_state
== LPFC_VPORT_READY
)
4526 lpfc_ns_cmd(vport
, SLI_CTNS_RSPN_ID
, 0, 0);
4530 * lpfc_hba_log_verbose_init - Set hba's log verbose level
4531 * @phba: Pointer to lpfc_hba struct.
4533 * This function is called by the lpfc_get_cfgparam() routine to set the
4534 * module lpfc_log_verbose into the @phba cfg_log_verbose for use with
4535 * log messsage according to the module's lpfc_log_verbose parameter setting
4536 * before hba port or vport created.
4539 lpfc_hba_log_verbose_init(struct lpfc_hba
*phba
, uint32_t verbose
)
4541 phba
->cfg_log_verbose
= verbose
;
4544 struct fc_function_template lpfc_transport_functions
= {
4545 /* fixed attributes the driver supports */
4546 .show_host_node_name
= 1,
4547 .show_host_port_name
= 1,
4548 .show_host_supported_classes
= 1,
4549 .show_host_supported_fc4s
= 1,
4550 .show_host_supported_speeds
= 1,
4551 .show_host_maxframe_size
= 1,
4552 .show_host_symbolic_name
= 1,
4554 /* dynamic attributes the driver supports */
4555 .get_host_port_id
= lpfc_get_host_port_id
,
4556 .show_host_port_id
= 1,
4558 .get_host_port_type
= lpfc_get_host_port_type
,
4559 .show_host_port_type
= 1,
4561 .get_host_port_state
= lpfc_get_host_port_state
,
4562 .show_host_port_state
= 1,
4564 /* active_fc4s is shown but doesn't change (thus no get function) */
4565 .show_host_active_fc4s
= 1,
4567 .get_host_speed
= lpfc_get_host_speed
,
4568 .show_host_speed
= 1,
4570 .get_host_fabric_name
= lpfc_get_host_fabric_name
,
4571 .show_host_fabric_name
= 1,
4574 * The LPFC driver treats linkdown handling as target loss events
4575 * so there are no sysfs handlers for link_down_tmo.
4578 .get_fc_host_stats
= lpfc_get_stats
,
4579 .reset_fc_host_stats
= lpfc_reset_stats
,
4581 .dd_fcrport_size
= sizeof(struct lpfc_rport_data
),
4582 .show_rport_maxframe_size
= 1,
4583 .show_rport_supported_classes
= 1,
4585 .set_rport_dev_loss_tmo
= lpfc_set_rport_loss_tmo
,
4586 .show_rport_dev_loss_tmo
= 1,
4588 .get_starget_port_id
= lpfc_get_starget_port_id
,
4589 .show_starget_port_id
= 1,
4591 .get_starget_node_name
= lpfc_get_starget_node_name
,
4592 .show_starget_node_name
= 1,
4594 .get_starget_port_name
= lpfc_get_starget_port_name
,
4595 .show_starget_port_name
= 1,
4597 .issue_fc_host_lip
= lpfc_issue_lip
,
4598 .dev_loss_tmo_callbk
= lpfc_dev_loss_tmo_callbk
,
4599 .terminate_rport_io
= lpfc_terminate_rport_io
,
4601 .dd_fcvport_size
= sizeof(struct lpfc_vport
*),
4603 .vport_disable
= lpfc_vport_disable
,
4605 .set_vport_symbolic_name
= lpfc_set_vport_symbolic_name
,
4607 .bsg_request
= lpfc_bsg_request
,
4608 .bsg_timeout
= lpfc_bsg_timeout
,
4611 struct fc_function_template lpfc_vport_transport_functions
= {
4612 /* fixed attributes the driver supports */
4613 .show_host_node_name
= 1,
4614 .show_host_port_name
= 1,
4615 .show_host_supported_classes
= 1,
4616 .show_host_supported_fc4s
= 1,
4617 .show_host_supported_speeds
= 1,
4618 .show_host_maxframe_size
= 1,
4619 .show_host_symbolic_name
= 1,
4621 /* dynamic attributes the driver supports */
4622 .get_host_port_id
= lpfc_get_host_port_id
,
4623 .show_host_port_id
= 1,
4625 .get_host_port_type
= lpfc_get_host_port_type
,
4626 .show_host_port_type
= 1,
4628 .get_host_port_state
= lpfc_get_host_port_state
,
4629 .show_host_port_state
= 1,
4631 /* active_fc4s is shown but doesn't change (thus no get function) */
4632 .show_host_active_fc4s
= 1,
4634 .get_host_speed
= lpfc_get_host_speed
,
4635 .show_host_speed
= 1,
4637 .get_host_fabric_name
= lpfc_get_host_fabric_name
,
4638 .show_host_fabric_name
= 1,
4641 * The LPFC driver treats linkdown handling as target loss events
4642 * so there are no sysfs handlers for link_down_tmo.
4645 .get_fc_host_stats
= lpfc_get_stats
,
4646 .reset_fc_host_stats
= lpfc_reset_stats
,
4648 .dd_fcrport_size
= sizeof(struct lpfc_rport_data
),
4649 .show_rport_maxframe_size
= 1,
4650 .show_rport_supported_classes
= 1,
4652 .set_rport_dev_loss_tmo
= lpfc_set_rport_loss_tmo
,
4653 .show_rport_dev_loss_tmo
= 1,
4655 .get_starget_port_id
= lpfc_get_starget_port_id
,
4656 .show_starget_port_id
= 1,
4658 .get_starget_node_name
= lpfc_get_starget_node_name
,
4659 .show_starget_node_name
= 1,
4661 .get_starget_port_name
= lpfc_get_starget_port_name
,
4662 .show_starget_port_name
= 1,
4664 .dev_loss_tmo_callbk
= lpfc_dev_loss_tmo_callbk
,
4665 .terminate_rport_io
= lpfc_terminate_rport_io
,
4667 .vport_disable
= lpfc_vport_disable
,
4669 .set_vport_symbolic_name
= lpfc_set_vport_symbolic_name
,
4673 * lpfc_get_cfgparam - Used during probe_one to init the adapter structure
4674 * @phba: lpfc_hba pointer.
4677 lpfc_get_cfgparam(struct lpfc_hba
*phba
)
4679 lpfc_cr_delay_init(phba
, lpfc_cr_delay
);
4680 lpfc_cr_count_init(phba
, lpfc_cr_count
);
4681 lpfc_multi_ring_support_init(phba
, lpfc_multi_ring_support
);
4682 lpfc_multi_ring_rctl_init(phba
, lpfc_multi_ring_rctl
);
4683 lpfc_multi_ring_type_init(phba
, lpfc_multi_ring_type
);
4684 lpfc_ack0_init(phba
, lpfc_ack0
);
4685 lpfc_topology_init(phba
, lpfc_topology
);
4686 lpfc_link_speed_init(phba
, lpfc_link_speed
);
4687 lpfc_poll_tmo_init(phba
, lpfc_poll_tmo
);
4688 lpfc_enable_npiv_init(phba
, lpfc_enable_npiv
);
4689 lpfc_enable_rrq_init(phba
, lpfc_enable_rrq
);
4690 lpfc_use_msi_init(phba
, lpfc_use_msi
);
4691 lpfc_fcp_imax_init(phba
, lpfc_fcp_imax
);
4692 lpfc_fcp_wq_count_init(phba
, lpfc_fcp_wq_count
);
4693 lpfc_fcp_eq_count_init(phba
, lpfc_fcp_eq_count
);
4694 lpfc_enable_hba_reset_init(phba
, lpfc_enable_hba_reset
);
4695 lpfc_enable_hba_heartbeat_init(phba
, lpfc_enable_hba_heartbeat
);
4696 lpfc_enable_bg_init(phba
, lpfc_enable_bg
);
4697 if (phba
->sli_rev
== LPFC_SLI_REV4
)
4700 phba
->cfg_poll
= lpfc_poll
;
4701 phba
->cfg_soft_wwnn
= 0L;
4702 phba
->cfg_soft_wwpn
= 0L;
4703 lpfc_sg_seg_cnt_init(phba
, lpfc_sg_seg_cnt
);
4704 lpfc_prot_sg_seg_cnt_init(phba
, lpfc_prot_sg_seg_cnt
);
4705 lpfc_hba_queue_depth_init(phba
, lpfc_hba_queue_depth
);
4706 lpfc_hba_log_verbose_init(phba
, lpfc_log_verbose
);
4707 lpfc_aer_support_init(phba
, lpfc_aer_support
);
4708 lpfc_suppress_link_up_init(phba
, lpfc_suppress_link_up
);
4709 lpfc_iocb_cnt_init(phba
, lpfc_iocb_cnt
);
4710 phba
->cfg_enable_dss
= 1;
4715 * lpfc_get_vport_cfgparam - Used during port create, init the vport structure
4716 * @vport: lpfc_vport pointer.
4719 lpfc_get_vport_cfgparam(struct lpfc_vport
*vport
)
4721 lpfc_log_verbose_init(vport
, lpfc_log_verbose
);
4722 lpfc_lun_queue_depth_init(vport
, lpfc_lun_queue_depth
);
4723 lpfc_tgt_queue_depth_init(vport
, lpfc_tgt_queue_depth
);
4724 lpfc_devloss_tmo_init(vport
, lpfc_devloss_tmo
);
4725 lpfc_nodev_tmo_init(vport
, lpfc_nodev_tmo
);
4726 lpfc_peer_port_login_init(vport
, lpfc_peer_port_login
);
4727 lpfc_restrict_login_init(vport
, lpfc_restrict_login
);
4728 lpfc_fcp_class_init(vport
, lpfc_fcp_class
);
4729 lpfc_use_adisc_init(vport
, lpfc_use_adisc
);
4730 lpfc_max_scsicmpl_time_init(vport
, lpfc_max_scsicmpl_time
);
4731 lpfc_fdmi_on_init(vport
, lpfc_fdmi_on
);
4732 lpfc_discovery_threads_init(vport
, lpfc_discovery_threads
);
4733 lpfc_max_luns_init(vport
, lpfc_max_luns
);
4734 lpfc_scan_down_init(vport
, lpfc_scan_down
);
4735 lpfc_enable_da_id_init(vport
, lpfc_enable_da_id
);