1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2009 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
55 #define LPFC_MAX_LINK_SPEED 8
56 #define LPFC_LINK_SPEED_BITMAP 0x00000117
57 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8"
60 * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules
61 * @incr: integer to convert.
62 * @hdw: ascii string holding converted integer plus a string terminator.
65 * JEDEC Joint Electron Device Engineering Council.
66 * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii
67 * character string. The string is then terminated with a NULL in byte 9.
68 * Hex 0-9 becomes ascii '0' to '9'.
69 * Hex a-f becomes ascii '=' to 'B' capital B.
72 * Coded for 32 bit integers only.
75 lpfc_jedec_to_ascii(int incr
, char hdw
[])
78 for (i
= 0; i
< 8; i
++) {
81 hdw
[7 - i
] = 0x30 + j
;
83 hdw
[7 - i
] = 0x61 + j
- 10;
91 * lpfc_drvr_version_show - Return the Emulex driver string with version number
92 * @dev: class unused variable.
93 * @attr: device attribute, not used.
94 * @buf: on return contains the module description text.
96 * Returns: size of formatted string.
99 lpfc_drvr_version_show(struct device
*dev
, struct device_attribute
*attr
,
102 return snprintf(buf
, PAGE_SIZE
, LPFC_MODULE_DESC
"\n");
106 * lpfc_enable_fip_show - Return the fip mode of the HBA
107 * @dev: class unused variable.
108 * @attr: device attribute, not used.
109 * @buf: on return contains the module description text.
111 * Returns: size of formatted string.
114 lpfc_enable_fip_show(struct device
*dev
, struct device_attribute
*attr
,
117 struct Scsi_Host
*shost
= class_to_shost(dev
);
118 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
119 struct lpfc_hba
*phba
= vport
->phba
;
121 if (phba
->hba_flag
& HBA_FIP_SUPPORT
)
122 return snprintf(buf
, PAGE_SIZE
, "1\n");
124 return snprintf(buf
, PAGE_SIZE
, "0\n");
128 lpfc_bg_info_show(struct device
*dev
, struct device_attribute
*attr
,
131 struct Scsi_Host
*shost
= class_to_shost(dev
);
132 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
133 struct lpfc_hba
*phba
= vport
->phba
;
135 if (phba
->cfg_enable_bg
)
136 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
137 return snprintf(buf
, PAGE_SIZE
, "BlockGuard Enabled\n");
139 return snprintf(buf
, PAGE_SIZE
,
140 "BlockGuard Not Supported\n");
142 return snprintf(buf
, PAGE_SIZE
,
143 "BlockGuard Disabled\n");
147 lpfc_bg_guard_err_show(struct device
*dev
, struct device_attribute
*attr
,
150 struct Scsi_Host
*shost
= class_to_shost(dev
);
151 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
152 struct lpfc_hba
*phba
= vport
->phba
;
154 return snprintf(buf
, PAGE_SIZE
, "%llu\n",
155 (unsigned long long)phba
->bg_guard_err_cnt
);
159 lpfc_bg_apptag_err_show(struct device
*dev
, struct device_attribute
*attr
,
162 struct Scsi_Host
*shost
= class_to_shost(dev
);
163 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
164 struct lpfc_hba
*phba
= vport
->phba
;
166 return snprintf(buf
, PAGE_SIZE
, "%llu\n",
167 (unsigned long long)phba
->bg_apptag_err_cnt
);
171 lpfc_bg_reftag_err_show(struct device
*dev
, struct device_attribute
*attr
,
174 struct Scsi_Host
*shost
= class_to_shost(dev
);
175 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
176 struct lpfc_hba
*phba
= vport
->phba
;
178 return snprintf(buf
, PAGE_SIZE
, "%llu\n",
179 (unsigned long long)phba
->bg_reftag_err_cnt
);
183 * lpfc_info_show - Return some pci info about the host in ascii
184 * @dev: class converted to a Scsi_host structure.
185 * @attr: device attribute, not used.
186 * @buf: on return contains the formatted text from lpfc_info().
188 * Returns: size of formatted string.
191 lpfc_info_show(struct device
*dev
, struct device_attribute
*attr
,
194 struct Scsi_Host
*host
= class_to_shost(dev
);
196 return snprintf(buf
, PAGE_SIZE
, "%s\n",lpfc_info(host
));
200 * lpfc_serialnum_show - Return the hba serial number in ascii
201 * @dev: class converted to a Scsi_host structure.
202 * @attr: device attribute, not used.
203 * @buf: on return contains the formatted text serial number.
205 * Returns: size of formatted string.
208 lpfc_serialnum_show(struct device
*dev
, struct device_attribute
*attr
,
211 struct Scsi_Host
*shost
= class_to_shost(dev
);
212 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
213 struct lpfc_hba
*phba
= vport
->phba
;
215 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->SerialNumber
);
219 * lpfc_temp_sensor_show - Return the temperature sensor level
220 * @dev: class converted to a Scsi_host structure.
221 * @attr: device attribute, not used.
222 * @buf: on return contains the formatted support level.
225 * Returns a number indicating the temperature sensor level currently
226 * supported, zero or one in ascii.
228 * Returns: size of formatted string.
231 lpfc_temp_sensor_show(struct device
*dev
, struct device_attribute
*attr
,
234 struct Scsi_Host
*shost
= class_to_shost(dev
);
235 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
236 struct lpfc_hba
*phba
= vport
->phba
;
237 return snprintf(buf
, PAGE_SIZE
, "%d\n",phba
->temp_sensor_support
);
241 * lpfc_modeldesc_show - Return the model description of the hba
242 * @dev: class converted to a Scsi_host structure.
243 * @attr: device attribute, not used.
244 * @buf: on return contains the scsi vpd model description.
246 * Returns: size of formatted string.
249 lpfc_modeldesc_show(struct device
*dev
, struct device_attribute
*attr
,
252 struct Scsi_Host
*shost
= class_to_shost(dev
);
253 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
254 struct lpfc_hba
*phba
= vport
->phba
;
256 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->ModelDesc
);
260 * lpfc_modelname_show - Return the model name of the hba
261 * @dev: class converted to a Scsi_host structure.
262 * @attr: device attribute, not used.
263 * @buf: on return contains the scsi vpd model name.
265 * Returns: size of formatted string.
268 lpfc_modelname_show(struct device
*dev
, struct device_attribute
*attr
,
271 struct Scsi_Host
*shost
= class_to_shost(dev
);
272 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
273 struct lpfc_hba
*phba
= vport
->phba
;
275 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->ModelName
);
279 * lpfc_programtype_show - Return the program type of the hba
280 * @dev: class converted to a Scsi_host structure.
281 * @attr: device attribute, not used.
282 * @buf: on return contains the scsi vpd program type.
284 * Returns: size of formatted string.
287 lpfc_programtype_show(struct device
*dev
, struct device_attribute
*attr
,
290 struct Scsi_Host
*shost
= class_to_shost(dev
);
291 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
292 struct lpfc_hba
*phba
= vport
->phba
;
294 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->ProgramType
);
298 * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag
299 * @dev: class converted to a Scsi_host structure.
300 * @attr: device attribute, not used.
301 * @buf: on return contains the Menlo Maintenance sli flag.
303 * Returns: size of formatted string.
306 lpfc_mlomgmt_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
308 struct Scsi_Host
*shost
= class_to_shost(dev
);
309 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
310 struct lpfc_hba
*phba
= vport
->phba
;
312 return snprintf(buf
, PAGE_SIZE
, "%d\n",
313 (phba
->sli
.sli_flag
& LPFC_MENLO_MAINT
));
317 * lpfc_vportnum_show - Return the port number in ascii of the hba
318 * @dev: class converted to a Scsi_host structure.
319 * @attr: device attribute, not used.
320 * @buf: on return contains scsi vpd program type.
322 * Returns: size of formatted string.
325 lpfc_vportnum_show(struct device
*dev
, struct device_attribute
*attr
,
328 struct Scsi_Host
*shost
= class_to_shost(dev
);
329 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
330 struct lpfc_hba
*phba
= vport
->phba
;
332 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->Port
);
336 * lpfc_fwrev_show - Return the firmware rev running in the hba
337 * @dev: class converted to a Scsi_host structure.
338 * @attr: device attribute, not used.
339 * @buf: on return contains the scsi vpd program type.
341 * Returns: size of formatted string.
344 lpfc_fwrev_show(struct device
*dev
, struct device_attribute
*attr
,
347 struct Scsi_Host
*shost
= class_to_shost(dev
);
348 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
349 struct lpfc_hba
*phba
= vport
->phba
;
352 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
353 return snprintf(buf
, PAGE_SIZE
, "%s, sli-%d\n", fwrev
, phba
->sli_rev
);
357 * lpfc_hdw_show - Return the jedec information about the hba
358 * @dev: class converted to a Scsi_host structure.
359 * @attr: device attribute, not used.
360 * @buf: on return contains the scsi vpd program type.
362 * Returns: size of formatted string.
365 lpfc_hdw_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
368 struct Scsi_Host
*shost
= class_to_shost(dev
);
369 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
370 struct lpfc_hba
*phba
= vport
->phba
;
371 lpfc_vpd_t
*vp
= &phba
->vpd
;
373 lpfc_jedec_to_ascii(vp
->rev
.biuRev
, hdw
);
374 return snprintf(buf
, PAGE_SIZE
, "%s\n", hdw
);
378 * lpfc_option_rom_version_show - Return the adapter ROM FCode version
379 * @dev: class converted to a Scsi_host structure.
380 * @attr: device attribute, not used.
381 * @buf: on return contains the ROM and FCode ascii strings.
383 * Returns: size of formatted string.
386 lpfc_option_rom_version_show(struct device
*dev
, struct device_attribute
*attr
,
389 struct Scsi_Host
*shost
= class_to_shost(dev
);
390 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
391 struct lpfc_hba
*phba
= vport
->phba
;
393 return snprintf(buf
, PAGE_SIZE
, "%s\n", phba
->OptionROMVersion
);
397 * lpfc_state_show - Return the link state of the port
398 * @dev: class converted to a Scsi_host structure.
399 * @attr: device attribute, not used.
400 * @buf: on return contains text describing the state of the link.
403 * The switch statement has no default so zero will be returned.
405 * Returns: size of formatted string.
408 lpfc_link_state_show(struct device
*dev
, struct device_attribute
*attr
,
411 struct Scsi_Host
*shost
= class_to_shost(dev
);
412 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
413 struct lpfc_hba
*phba
= vport
->phba
;
416 switch (phba
->link_state
) {
417 case LPFC_LINK_UNKNOWN
:
418 case LPFC_WARM_START
:
419 case LPFC_INIT_START
:
420 case LPFC_INIT_MBX_CMDS
:
423 if (phba
->hba_flag
& LINK_DISABLED
)
424 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
425 "Link Down - User disabled\n");
427 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
433 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
, "Link Up - ");
435 switch (vport
->port_state
) {
436 case LPFC_LOCAL_CFG_LINK
:
437 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
438 "Configuring Link\n");
442 case LPFC_FABRIC_CFG_LINK
:
445 case LPFC_BUILD_DISC_LIST
:
447 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
450 case LPFC_VPORT_READY
:
451 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, "Ready\n");
454 case LPFC_VPORT_FAILED
:
455 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, "Failed\n");
458 case LPFC_VPORT_UNKNOWN
:
459 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
463 if (phba
->sli
.sli_flag
& LPFC_MENLO_MAINT
)
464 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
465 " Menlo Maint Mode\n");
466 else if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
467 if (vport
->fc_flag
& FC_PUBLIC_LOOP
)
468 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
471 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
474 if (vport
->fc_flag
& FC_FABRIC
)
475 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
478 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
487 * lpfc_link_state_store - Transition the link_state on an HBA port
488 * @dev: class device that is converted into a Scsi_host.
489 * @attr: device attribute, not used.
490 * @buf: one or more lpfc_polling_flags values.
494 * -EINVAL if the buffer is not "up" or "down"
495 * return from link state change function if non-zero
496 * length of the buf on success
499 lpfc_link_state_store(struct device
*dev
, struct device_attribute
*attr
,
500 const char *buf
, size_t count
)
502 struct Scsi_Host
*shost
= class_to_shost(dev
);
503 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
504 struct lpfc_hba
*phba
= vport
->phba
;
506 int status
= -EINVAL
;
508 if ((strncmp(buf
, "up", sizeof("up") - 1) == 0) &&
509 (phba
->link_state
== LPFC_LINK_DOWN
))
510 status
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
511 else if ((strncmp(buf
, "down", sizeof("down") - 1) == 0) &&
512 (phba
->link_state
>= LPFC_LINK_UP
))
513 status
= phba
->lpfc_hba_down_link(phba
, MBX_NOWAIT
);
522 * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports
523 * @dev: class device that is converted into a Scsi_host.
524 * @attr: device attribute, not used.
525 * @buf: on return contains the sum of fc mapped and unmapped.
528 * Returns the ascii text number of the sum of the fc mapped and unmapped
531 * Returns: size of formatted string.
534 lpfc_num_discovered_ports_show(struct device
*dev
,
535 struct device_attribute
*attr
, char *buf
)
537 struct Scsi_Host
*shost
= class_to_shost(dev
);
538 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
540 return snprintf(buf
, PAGE_SIZE
, "%d\n",
541 vport
->fc_map_cnt
+ vport
->fc_unmap_cnt
);
545 * lpfc_issue_lip - Misnomer, name carried over from long ago
546 * @shost: Scsi_Host pointer.
549 * Bring the link down gracefully then re-init the link. The firmware will
550 * re-init the fiber channel interface as required. Does not issue a LIP.
553 * -EPERM port offline or management commands are being blocked
554 * -ENOMEM cannot allocate memory for the mailbox command
555 * -EIO error sending the mailbox command
559 lpfc_issue_lip(struct Scsi_Host
*shost
)
561 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
562 struct lpfc_hba
*phba
= vport
->phba
;
563 LPFC_MBOXQ_t
*pmboxq
;
564 int mbxstatus
= MBXERR_ERROR
;
566 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
567 (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
))
570 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,GFP_KERNEL
);
575 memset((void *)pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
576 pmboxq
->u
.mb
.mbxCommand
= MBX_DOWN_LINK
;
577 pmboxq
->u
.mb
.mbxOwner
= OWN_HOST
;
579 mbxstatus
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, LPFC_MBOX_TMO
* 2);
581 if ((mbxstatus
== MBX_SUCCESS
) &&
582 (pmboxq
->u
.mb
.mbxStatus
== 0 ||
583 pmboxq
->u
.mb
.mbxStatus
== MBXERR_LINK_DOWN
)) {
584 memset((void *)pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
585 lpfc_init_link(phba
, pmboxq
, phba
->cfg_topology
,
586 phba
->cfg_link_speed
);
587 mbxstatus
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
,
589 if ((mbxstatus
== MBX_SUCCESS
) &&
590 (pmboxq
->u
.mb
.mbxStatus
== MBXERR_SEC_NO_PERMISSION
))
591 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
592 "2859 SLI authentication is required "
593 "for INIT_LINK but has not done yet\n");
596 lpfc_set_loopback_flag(phba
);
597 if (mbxstatus
!= MBX_TIMEOUT
)
598 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
600 if (mbxstatus
== MBXERR_ERROR
)
607 * lpfc_do_offline - Issues a mailbox command to bring the link down
608 * @phba: lpfc_hba pointer.
609 * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL.
612 * Assumes any error from lpfc_do_offline() will be negative.
613 * Can wait up to 5 seconds for the port ring buffers count
614 * to reach zero, prints a warning if it is not zero and continues.
615 * lpfc_workq_post_event() returns a non-zero return code if call fails.
618 * -EIO error posting the event
622 lpfc_do_offline(struct lpfc_hba
*phba
, uint32_t type
)
624 struct completion online_compl
;
625 struct lpfc_sli_ring
*pring
;
626 struct lpfc_sli
*psli
;
631 init_completion(&online_compl
);
632 lpfc_workq_post_event(phba
, &status
, &online_compl
,
633 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 lpfc_workq_post_event(phba
, &status
, &online_compl
, type
);
660 wait_for_completion(&online_compl
);
669 * lpfc_selective_reset - Offline then onlines the port
670 * @phba: lpfc_hba pointer.
673 * If the port is configured to allow a reset then the hba is brought
674 * offline then online.
677 * Assumes any error from lpfc_do_offline() will be negative.
680 * lpfc_do_offline() return code if not zero
681 * -EIO reset not configured or error posting the event
685 lpfc_selective_reset(struct lpfc_hba
*phba
)
687 struct completion online_compl
;
690 if (!phba
->cfg_enable_hba_reset
)
693 status
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
698 init_completion(&online_compl
);
699 lpfc_workq_post_event(phba
, &status
, &online_compl
,
701 wait_for_completion(&online_compl
);
710 * lpfc_issue_reset - Selectively resets an adapter
711 * @dev: class device that is converted into a Scsi_host.
712 * @attr: device attribute, not used.
713 * @buf: containing the string "selective".
714 * @count: unused variable.
717 * If the buf contains the string "selective" then lpfc_selective_reset()
718 * is called to perform the reset.
721 * Assumes any error from lpfc_selective_reset() will be negative.
722 * If lpfc_selective_reset() returns zero then the length of the buffer
723 * is returned which indicates success
726 * -EINVAL if the buffer does not contain the string "selective"
727 * length of buf if lpfc-selective_reset() if the call succeeds
728 * return value of lpfc_selective_reset() if the call fails
731 lpfc_issue_reset(struct device
*dev
, struct device_attribute
*attr
,
732 const char *buf
, size_t count
)
734 struct Scsi_Host
*shost
= class_to_shost(dev
);
735 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
736 struct lpfc_hba
*phba
= vport
->phba
;
738 int status
= -EINVAL
;
740 if (strncmp(buf
, "selective", sizeof("selective") - 1) == 0)
741 status
= lpfc_selective_reset(phba
);
750 * lpfc_nport_evt_cnt_show - Return the number of nport events
751 * @dev: class device that is converted into a Scsi_host.
752 * @attr: device attribute, not used.
753 * @buf: on return contains the ascii number of nport events.
755 * Returns: size of formatted string.
758 lpfc_nport_evt_cnt_show(struct device
*dev
, struct device_attribute
*attr
,
761 struct Scsi_Host
*shost
= class_to_shost(dev
);
762 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
763 struct lpfc_hba
*phba
= vport
->phba
;
765 return snprintf(buf
, PAGE_SIZE
, "%d\n", phba
->nport_event_cnt
);
769 * lpfc_board_mode_show - Return the state of the board
770 * @dev: class device that is converted into a Scsi_host.
771 * @attr: device attribute, not used.
772 * @buf: on return contains the state of the adapter.
774 * Returns: size of formatted string.
777 lpfc_board_mode_show(struct device
*dev
, struct device_attribute
*attr
,
780 struct Scsi_Host
*shost
= class_to_shost(dev
);
781 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
782 struct lpfc_hba
*phba
= vport
->phba
;
785 if (phba
->link_state
== LPFC_HBA_ERROR
)
787 else if (phba
->link_state
== LPFC_WARM_START
)
788 state
= "warm start";
789 else if (phba
->link_state
== LPFC_INIT_START
)
794 return snprintf(buf
, PAGE_SIZE
, "%s\n", state
);
798 * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state
799 * @dev: class device that is converted into a Scsi_host.
800 * @attr: device attribute, not used.
801 * @buf: containing one of the strings "online", "offline", "warm" or "error".
802 * @count: unused variable.
805 * -EACCES if enable hba reset not enabled
806 * -EINVAL if the buffer does not contain a valid string (see above)
807 * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails
808 * buf length greater than zero indicates success
811 lpfc_board_mode_store(struct device
*dev
, struct device_attribute
*attr
,
812 const char *buf
, size_t count
)
814 struct Scsi_Host
*shost
= class_to_shost(dev
);
815 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
816 struct lpfc_hba
*phba
= vport
->phba
;
817 struct completion online_compl
;
820 if (!phba
->cfg_enable_hba_reset
)
822 init_completion(&online_compl
);
824 if(strncmp(buf
, "online", sizeof("online") - 1) == 0) {
825 lpfc_workq_post_event(phba
, &status
, &online_compl
,
827 wait_for_completion(&online_compl
);
828 } else if (strncmp(buf
, "offline", sizeof("offline") - 1) == 0)
829 status
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
830 else if (strncmp(buf
, "warm", sizeof("warm") - 1) == 0)
831 if (phba
->sli_rev
== LPFC_SLI_REV4
)
834 status
= lpfc_do_offline(phba
, LPFC_EVT_WARM_START
);
835 else if (strncmp(buf
, "error", sizeof("error") - 1) == 0)
836 if (phba
->sli_rev
== LPFC_SLI_REV4
)
839 status
= lpfc_do_offline(phba
, LPFC_EVT_KILL
);
850 * lpfc_get_hba_info - Return various bits of informaton about the adapter
851 * @phba: pointer to the adapter structure.
852 * @mxri: max xri count.
853 * @axri: available xri count.
854 * @mrpi: max rpi count.
855 * @arpi: available rpi count.
856 * @mvpi: max vpi count.
857 * @avpi: available vpi count.
860 * If an integer pointer for an count is not null then the value for the
868 lpfc_get_hba_info(struct lpfc_hba
*phba
,
869 uint32_t *mxri
, uint32_t *axri
,
870 uint32_t *mrpi
, uint32_t *arpi
,
871 uint32_t *mvpi
, uint32_t *avpi
)
873 struct lpfc_mbx_read_config
*rd_config
;
874 LPFC_MBOXQ_t
*pmboxq
;
880 * prevent udev from issuing mailbox commands until the port is
883 if (phba
->link_state
< LPFC_LINK_DOWN
||
884 !phba
->mbox_mem_pool
||
885 (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
) == 0)
888 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
891 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
894 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
897 pmb
->mbxCommand
= MBX_READ_CONFIG
;
898 pmb
->mbxOwner
= OWN_HOST
;
899 pmboxq
->context1
= NULL
;
901 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
902 rc
= MBX_NOT_FINISHED
;
904 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
906 if (rc
!= MBX_SUCCESS
) {
907 if (rc
!= MBX_TIMEOUT
)
908 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
912 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
913 rd_config
= &pmboxq
->u
.mqe
.un
.rd_config
;
915 *mrpi
= bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
917 *arpi
= bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
) -
918 phba
->sli4_hba
.max_cfg_param
.rpi_used
;
920 *mxri
= bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
922 *axri
= bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
) -
923 phba
->sli4_hba
.max_cfg_param
.xri_used
;
925 /* Account for differences with SLI-3. Get vpi count from
926 * mailbox data and subtract one for max vpi value.
928 max_vpi
= (bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
) > 0) ?
929 (bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
) - 1) : 0;
934 *avpi
= max_vpi
- phba
->sli4_hba
.max_cfg_param
.vpi_used
;
937 *mrpi
= pmb
->un
.varRdConfig
.max_rpi
;
939 *arpi
= pmb
->un
.varRdConfig
.avail_rpi
;
941 *mxri
= pmb
->un
.varRdConfig
.max_xri
;
943 *axri
= pmb
->un
.varRdConfig
.avail_xri
;
945 *mvpi
= pmb
->un
.varRdConfig
.max_vpi
;
947 *avpi
= pmb
->un
.varRdConfig
.avail_vpi
;
950 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
955 * lpfc_max_rpi_show - Return maximum rpi
956 * @dev: class device that is converted into a Scsi_host.
957 * @attr: device attribute, not used.
958 * @buf: on return contains the maximum rpi count in decimal or "Unknown".
961 * Calls lpfc_get_hba_info() asking for just the mrpi count.
962 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
963 * to "Unknown" and the buffer length is returned, therefore the caller
964 * must check for "Unknown" in the buffer to detect a failure.
966 * Returns: size of formatted string.
969 lpfc_max_rpi_show(struct device
*dev
, struct device_attribute
*attr
,
972 struct Scsi_Host
*shost
= class_to_shost(dev
);
973 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
974 struct lpfc_hba
*phba
= vport
->phba
;
977 if (lpfc_get_hba_info(phba
, NULL
, NULL
, &cnt
, NULL
, NULL
, NULL
))
978 return snprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
979 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
983 * lpfc_used_rpi_show - Return maximum rpi minus available rpi
984 * @dev: class device that is converted into a Scsi_host.
985 * @attr: device attribute, not used.
986 * @buf: containing the used rpi count in decimal or "Unknown".
989 * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts.
990 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
991 * to "Unknown" and the buffer length is returned, therefore the caller
992 * must check for "Unknown" in the buffer to detect a failure.
994 * Returns: size of formatted string.
997 lpfc_used_rpi_show(struct device
*dev
, struct device_attribute
*attr
,
1000 struct Scsi_Host
*shost
= class_to_shost(dev
);
1001 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1002 struct lpfc_hba
*phba
= vport
->phba
;
1005 if (lpfc_get_hba_info(phba
, NULL
, NULL
, &cnt
, &acnt
, NULL
, NULL
))
1006 return snprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
1007 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
1011 * lpfc_max_xri_show - Return maximum xri
1012 * @dev: class device that is converted into a Scsi_host.
1013 * @attr: device attribute, not used.
1014 * @buf: on return contains the maximum xri count in decimal or "Unknown".
1017 * Calls lpfc_get_hba_info() asking for just the mrpi count.
1018 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1019 * to "Unknown" and the buffer length is returned, therefore the caller
1020 * must check for "Unknown" in the buffer to detect a failure.
1022 * Returns: size of formatted string.
1025 lpfc_max_xri_show(struct device
*dev
, struct device_attribute
*attr
,
1028 struct Scsi_Host
*shost
= class_to_shost(dev
);
1029 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1030 struct lpfc_hba
*phba
= vport
->phba
;
1033 if (lpfc_get_hba_info(phba
, &cnt
, NULL
, NULL
, NULL
, NULL
, NULL
))
1034 return snprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
1035 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
1039 * lpfc_used_xri_show - Return maximum xpi minus the available xpi
1040 * @dev: class device that is converted into a Scsi_host.
1041 * @attr: device attribute, not used.
1042 * @buf: on return contains the used xri count in decimal or "Unknown".
1045 * Calls lpfc_get_hba_info() asking for just the mxri and axri counts.
1046 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1047 * to "Unknown" and the buffer length is returned, therefore the caller
1048 * must check for "Unknown" in the buffer to detect a failure.
1050 * Returns: size of formatted string.
1053 lpfc_used_xri_show(struct device
*dev
, struct device_attribute
*attr
,
1056 struct Scsi_Host
*shost
= class_to_shost(dev
);
1057 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1058 struct lpfc_hba
*phba
= vport
->phba
;
1061 if (lpfc_get_hba_info(phba
, &cnt
, &acnt
, NULL
, NULL
, NULL
, NULL
))
1062 return snprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
1063 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
1067 * lpfc_max_vpi_show - Return maximum vpi
1068 * @dev: class device that is converted into a Scsi_host.
1069 * @attr: device attribute, not used.
1070 * @buf: on return contains the maximum vpi count in decimal or "Unknown".
1073 * Calls lpfc_get_hba_info() asking for just the mvpi count.
1074 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1075 * to "Unknown" and the buffer length is returned, therefore the caller
1076 * must check for "Unknown" in the buffer to detect a failure.
1078 * Returns: size of formatted string.
1081 lpfc_max_vpi_show(struct device
*dev
, struct device_attribute
*attr
,
1084 struct Scsi_Host
*shost
= class_to_shost(dev
);
1085 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1086 struct lpfc_hba
*phba
= vport
->phba
;
1089 if (lpfc_get_hba_info(phba
, NULL
, NULL
, NULL
, NULL
, &cnt
, NULL
))
1090 return snprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
1091 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
1095 * lpfc_used_vpi_show - Return maximum vpi minus the available vpi
1096 * @dev: class device that is converted into a Scsi_host.
1097 * @attr: device attribute, not used.
1098 * @buf: on return contains the used vpi count in decimal or "Unknown".
1101 * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts.
1102 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1103 * to "Unknown" and the buffer length is returned, therefore the caller
1104 * must check for "Unknown" in the buffer to detect a failure.
1106 * Returns: size of formatted string.
1109 lpfc_used_vpi_show(struct device
*dev
, struct device_attribute
*attr
,
1112 struct Scsi_Host
*shost
= class_to_shost(dev
);
1113 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1114 struct lpfc_hba
*phba
= vport
->phba
;
1117 if (lpfc_get_hba_info(phba
, NULL
, NULL
, NULL
, NULL
, &cnt
, &acnt
))
1118 return snprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
1119 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
1123 * lpfc_npiv_info_show - Return text about NPIV support for the adapter
1124 * @dev: class device that is converted into a Scsi_host.
1125 * @attr: device attribute, not used.
1126 * @buf: text that must be interpreted to determine if npiv is supported.
1129 * Buffer will contain text indicating npiv is not suppoerted on the port,
1130 * the port is an NPIV physical port, or it is an npiv virtual port with
1131 * the id of the vport.
1133 * Returns: size of formatted string.
1136 lpfc_npiv_info_show(struct device
*dev
, struct device_attribute
*attr
,
1139 struct Scsi_Host
*shost
= class_to_shost(dev
);
1140 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1141 struct lpfc_hba
*phba
= vport
->phba
;
1143 if (!(phba
->max_vpi
))
1144 return snprintf(buf
, PAGE_SIZE
, "NPIV Not Supported\n");
1145 if (vport
->port_type
== LPFC_PHYSICAL_PORT
)
1146 return snprintf(buf
, PAGE_SIZE
, "NPIV Physical\n");
1147 return snprintf(buf
, PAGE_SIZE
, "NPIV Virtual (VPI %d)\n", vport
->vpi
);
1151 * lpfc_poll_show - Return text about poll support for the adapter
1152 * @dev: class device that is converted into a Scsi_host.
1153 * @attr: device attribute, not used.
1154 * @buf: on return contains the cfg_poll in hex.
1157 * cfg_poll should be a lpfc_polling_flags type.
1159 * Returns: size of formatted string.
1162 lpfc_poll_show(struct device
*dev
, struct device_attribute
*attr
,
1165 struct Scsi_Host
*shost
= class_to_shost(dev
);
1166 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1167 struct lpfc_hba
*phba
= vport
->phba
;
1169 return snprintf(buf
, PAGE_SIZE
, "%#x\n", phba
->cfg_poll
);
1173 * lpfc_poll_store - Set the value of cfg_poll for the adapter
1174 * @dev: class device that is converted into a Scsi_host.
1175 * @attr: device attribute, not used.
1176 * @buf: one or more lpfc_polling_flags values.
1180 * buf contents converted to integer and checked for a valid value.
1183 * -EINVAL if the buffer connot be converted or is out of range
1184 * length of the buf on success
1187 lpfc_poll_store(struct device
*dev
, struct device_attribute
*attr
,
1188 const char *buf
, size_t count
)
1190 struct Scsi_Host
*shost
= class_to_shost(dev
);
1191 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1192 struct lpfc_hba
*phba
= vport
->phba
;
1197 if (!isdigit(buf
[0]))
1200 if (sscanf(buf
, "%i", &val
) != 1)
1203 if ((val
& 0x3) != val
)
1206 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1209 spin_lock_irq(&phba
->hbalock
);
1211 old_val
= phba
->cfg_poll
;
1213 if (val
& ENABLE_FCP_RING_POLLING
) {
1214 if ((val
& DISABLE_FCP_RING_INT
) &&
1215 !(old_val
& DISABLE_FCP_RING_INT
)) {
1216 creg_val
= readl(phba
->HCregaddr
);
1217 creg_val
&= ~(HC_R0INT_ENA
<< LPFC_FCP_RING
);
1218 writel(creg_val
, phba
->HCregaddr
);
1219 readl(phba
->HCregaddr
); /* flush */
1221 lpfc_poll_start_timer(phba
);
1223 } else if (val
!= 0x0) {
1224 spin_unlock_irq(&phba
->hbalock
);
1228 if (!(val
& DISABLE_FCP_RING_INT
) &&
1229 (old_val
& DISABLE_FCP_RING_INT
))
1231 spin_unlock_irq(&phba
->hbalock
);
1232 del_timer(&phba
->fcp_poll_timer
);
1233 spin_lock_irq(&phba
->hbalock
);
1234 creg_val
= readl(phba
->HCregaddr
);
1235 creg_val
|= (HC_R0INT_ENA
<< LPFC_FCP_RING
);
1236 writel(creg_val
, phba
->HCregaddr
);
1237 readl(phba
->HCregaddr
); /* flush */
1240 phba
->cfg_poll
= val
;
1242 spin_unlock_irq(&phba
->hbalock
);
1248 * lpfc_fips_level_show - Return the current FIPS level for the HBA
1249 * @dev: class unused variable.
1250 * @attr: device attribute, not used.
1251 * @buf: on return contains the module description text.
1253 * Returns: size of formatted string.
1256 lpfc_fips_level_show(struct device
*dev
, struct device_attribute
*attr
,
1259 struct Scsi_Host
*shost
= class_to_shost(dev
);
1260 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1261 struct lpfc_hba
*phba
= vport
->phba
;
1263 return snprintf(buf
, PAGE_SIZE
, "%d\n", phba
->fips_level
);
1267 * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA
1268 * @dev: class unused variable.
1269 * @attr: device attribute, not used.
1270 * @buf: on return contains the module description text.
1272 * Returns: size of formatted string.
1275 lpfc_fips_rev_show(struct device
*dev
, struct device_attribute
*attr
,
1278 struct Scsi_Host
*shost
= class_to_shost(dev
);
1279 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1280 struct lpfc_hba
*phba
= vport
->phba
;
1282 return snprintf(buf
, PAGE_SIZE
, "%d\n", phba
->fips_spec_rev
);
1286 * lpfc_param_show - Return a cfg attribute value in decimal
1289 * Macro that given an attr e.g. hba_queue_depth expands
1290 * into a function with the name lpfc_hba_queue_depth_show.
1292 * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field.
1293 * @dev: class device that is converted into a Scsi_host.
1294 * @attr: device attribute, not used.
1295 * @buf: on return contains the attribute value in decimal.
1297 * Returns: size of formatted string.
1299 #define lpfc_param_show(attr) \
1301 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1304 struct Scsi_Host *shost = class_to_shost(dev);\
1305 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1306 struct lpfc_hba *phba = vport->phba;\
1308 val = phba->cfg_##attr;\
1309 return snprintf(buf, PAGE_SIZE, "%d\n",\
1314 * lpfc_param_hex_show - Return a cfg attribute value in hex
1317 * Macro that given an attr e.g. hba_queue_depth expands
1318 * into a function with the name lpfc_hba_queue_depth_show
1320 * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field.
1321 * @dev: class device that is converted into a Scsi_host.
1322 * @attr: device attribute, not used.
1323 * @buf: on return contains the attribute value in hexadecimal.
1325 * Returns: size of formatted string.
1327 #define lpfc_param_hex_show(attr) \
1329 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1332 struct Scsi_Host *shost = class_to_shost(dev);\
1333 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1334 struct lpfc_hba *phba = vport->phba;\
1336 val = phba->cfg_##attr;\
1337 return snprintf(buf, PAGE_SIZE, "%#x\n",\
1342 * lpfc_param_init - Intializes a cfg attribute
1345 * Macro that given an attr e.g. hba_queue_depth expands
1346 * into a function with the name lpfc_hba_queue_depth_init. The macro also
1347 * takes a default argument, a minimum and maximum argument.
1349 * lpfc_##attr##_init: Initializes an attribute.
1350 * @phba: pointer the the adapter structure.
1351 * @val: integer attribute value.
1353 * Validates the min and max values then sets the adapter config field
1354 * accordingly, or uses the default if out of range and prints an error message.
1358 * -EINVAL if default used
1360 #define lpfc_param_init(attr, default, minval, maxval) \
1362 lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \
1364 if (val >= minval && val <= maxval) {\
1365 phba->cfg_##attr = val;\
1368 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
1369 "0449 lpfc_"#attr" attribute cannot be set to %d, "\
1370 "allowed range is ["#minval", "#maxval"]\n", val); \
1371 phba->cfg_##attr = default;\
1376 * lpfc_param_set - Set a cfg attribute value
1379 * Macro that given an attr e.g. hba_queue_depth expands
1380 * into a function with the name lpfc_hba_queue_depth_set
1382 * lpfc_##attr##_set: Sets an attribute value.
1383 * @phba: pointer the the adapter structure.
1384 * @val: integer attribute value.
1387 * Validates the min and max values then sets the
1388 * adapter config field if in the valid range. prints error message
1389 * and does not set the parameter if invalid.
1393 * -EINVAL if val is invalid
1395 #define lpfc_param_set(attr, default, minval, maxval) \
1397 lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \
1399 if (val >= minval && val <= maxval) {\
1400 phba->cfg_##attr = val;\
1403 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
1404 "0450 lpfc_"#attr" attribute cannot be set to %d, "\
1405 "allowed range is ["#minval", "#maxval"]\n", val); \
1410 * lpfc_param_store - Set a vport attribute value
1413 * Macro that given an attr e.g. hba_queue_depth expands
1414 * into a function with the name lpfc_hba_queue_depth_store.
1416 * lpfc_##attr##_store: Set an sttribute value.
1417 * @dev: class device that is converted into a Scsi_host.
1418 * @attr: device attribute, not used.
1419 * @buf: contains the attribute value in ascii.
1423 * Convert the ascii text number to an integer, then
1424 * use the lpfc_##attr##_set function to set the value.
1427 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
1428 * length of buffer upon success.
1430 #define lpfc_param_store(attr) \
1432 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
1433 const char *buf, size_t count) \
1435 struct Scsi_Host *shost = class_to_shost(dev);\
1436 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1437 struct lpfc_hba *phba = vport->phba;\
1439 if (!isdigit(buf[0]))\
1441 if (sscanf(buf, "%i", &val) != 1)\
1443 if (lpfc_##attr##_set(phba, val) == 0) \
1444 return strlen(buf);\
1450 * lpfc_vport_param_show - Return decimal formatted cfg attribute value
1453 * Macro that given an attr e.g. hba_queue_depth expands
1454 * into a function with the name lpfc_hba_queue_depth_show
1456 * lpfc_##attr##_show: prints the attribute value in decimal.
1457 * @dev: class device that is converted into a Scsi_host.
1458 * @attr: device attribute, not used.
1459 * @buf: on return contains the attribute value in decimal.
1461 * Returns: length of formatted string.
1463 #define lpfc_vport_param_show(attr) \
1465 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1468 struct Scsi_Host *shost = class_to_shost(dev);\
1469 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1471 val = vport->cfg_##attr;\
1472 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
1476 * lpfc_vport_param_hex_show - Return hex formatted attribute value
1479 * Macro that given an attr e.g.
1480 * hba_queue_depth expands into a function with the name
1481 * lpfc_hba_queue_depth_show
1483 * lpfc_##attr##_show: prints the attribute value in hexadecimal.
1484 * @dev: class device that is converted into a Scsi_host.
1485 * @attr: device attribute, not used.
1486 * @buf: on return contains the attribute value in hexadecimal.
1488 * Returns: length of formatted string.
1490 #define lpfc_vport_param_hex_show(attr) \
1492 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1495 struct Scsi_Host *shost = class_to_shost(dev);\
1496 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1498 val = vport->cfg_##attr;\
1499 return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
1503 * lpfc_vport_param_init - Initialize a vport cfg attribute
1506 * Macro that given an attr e.g. hba_queue_depth expands
1507 * into a function with the name lpfc_hba_queue_depth_init. The macro also
1508 * takes a default argument, a minimum and maximum argument.
1510 * lpfc_##attr##_init: validates the min and max values then sets the
1511 * adapter config field accordingly, or uses the default if out of range
1512 * and prints an error message.
1513 * @phba: pointer the the adapter structure.
1514 * @val: integer attribute value.
1518 * -EINVAL if default used
1520 #define lpfc_vport_param_init(attr, default, minval, maxval) \
1522 lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \
1524 if (val >= minval && val <= maxval) {\
1525 vport->cfg_##attr = val;\
1528 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
1529 "0423 lpfc_"#attr" attribute cannot be set to %d, "\
1530 "allowed range is ["#minval", "#maxval"]\n", val); \
1531 vport->cfg_##attr = default;\
1536 * lpfc_vport_param_set - Set a vport cfg attribute
1539 * Macro that given an attr e.g. hba_queue_depth expands
1540 * into a function with the name lpfc_hba_queue_depth_set
1542 * lpfc_##attr##_set: validates the min and max values then sets the
1543 * adapter config field if in the valid range. prints error message
1544 * and does not set the parameter if invalid.
1545 * @phba: pointer the the adapter structure.
1546 * @val: integer attribute value.
1550 * -EINVAL if val is invalid
1552 #define lpfc_vport_param_set(attr, default, minval, maxval) \
1554 lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \
1556 if (val >= minval && val <= maxval) {\
1557 vport->cfg_##attr = val;\
1560 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
1561 "0424 lpfc_"#attr" attribute cannot be set to %d, "\
1562 "allowed range is ["#minval", "#maxval"]\n", val); \
1567 * lpfc_vport_param_store - Set a vport attribute
1570 * Macro that given an attr e.g. hba_queue_depth
1571 * expands into a function with the name lpfc_hba_queue_depth_store
1573 * lpfc_##attr##_store: convert the ascii text number to an integer, then
1574 * use the lpfc_##attr##_set function to set the value.
1575 * @cdev: class device that is converted into a Scsi_host.
1576 * @buf: contains the attribute value in decimal.
1580 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
1581 * length of buffer upon success.
1583 #define lpfc_vport_param_store(attr) \
1585 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
1586 const char *buf, size_t count) \
1588 struct Scsi_Host *shost = class_to_shost(dev);\
1589 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1591 if (!isdigit(buf[0]))\
1593 if (sscanf(buf, "%i", &val) != 1)\
1595 if (lpfc_##attr##_set(vport, val) == 0) \
1596 return strlen(buf);\
1602 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
1603 static uint lpfc_##name = defval;\
1604 module_param(lpfc_##name, uint, 0);\
1605 MODULE_PARM_DESC(lpfc_##name, desc);\
1606 lpfc_param_init(name, defval, minval, maxval)
1608 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
1609 static uint lpfc_##name = defval;\
1610 module_param(lpfc_##name, uint, 0);\
1611 MODULE_PARM_DESC(lpfc_##name, desc);\
1612 lpfc_param_show(name)\
1613 lpfc_param_init(name, defval, minval, maxval)\
1614 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1616 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
1617 static uint lpfc_##name = defval;\
1618 module_param(lpfc_##name, uint, 0);\
1619 MODULE_PARM_DESC(lpfc_##name, desc);\
1620 lpfc_param_show(name)\
1621 lpfc_param_init(name, defval, minval, maxval)\
1622 lpfc_param_set(name, defval, minval, maxval)\
1623 lpfc_param_store(name)\
1624 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1625 lpfc_##name##_show, lpfc_##name##_store)
1627 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
1628 static uint lpfc_##name = defval;\
1629 module_param(lpfc_##name, uint, 0);\
1630 MODULE_PARM_DESC(lpfc_##name, desc);\
1631 lpfc_param_hex_show(name)\
1632 lpfc_param_init(name, defval, minval, maxval)\
1633 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1635 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
1636 static uint lpfc_##name = defval;\
1637 module_param(lpfc_##name, uint, 0);\
1638 MODULE_PARM_DESC(lpfc_##name, desc);\
1639 lpfc_param_hex_show(name)\
1640 lpfc_param_init(name, defval, minval, maxval)\
1641 lpfc_param_set(name, defval, minval, maxval)\
1642 lpfc_param_store(name)\
1643 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1644 lpfc_##name##_show, lpfc_##name##_store)
1646 #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \
1647 static uint lpfc_##name = defval;\
1648 module_param(lpfc_##name, uint, 0);\
1649 MODULE_PARM_DESC(lpfc_##name, desc);\
1650 lpfc_vport_param_init(name, defval, minval, maxval)
1652 #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \
1653 static uint lpfc_##name = defval;\
1654 module_param(lpfc_##name, uint, 0);\
1655 MODULE_PARM_DESC(lpfc_##name, desc);\
1656 lpfc_vport_param_show(name)\
1657 lpfc_vport_param_init(name, defval, minval, maxval)\
1658 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1660 #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \
1661 static uint lpfc_##name = defval;\
1662 module_param(lpfc_##name, uint, 0);\
1663 MODULE_PARM_DESC(lpfc_##name, desc);\
1664 lpfc_vport_param_show(name)\
1665 lpfc_vport_param_init(name, defval, minval, maxval)\
1666 lpfc_vport_param_set(name, defval, minval, maxval)\
1667 lpfc_vport_param_store(name)\
1668 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1669 lpfc_##name##_show, lpfc_##name##_store)
1671 #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \
1672 static uint lpfc_##name = defval;\
1673 module_param(lpfc_##name, uint, 0);\
1674 MODULE_PARM_DESC(lpfc_##name, desc);\
1675 lpfc_vport_param_hex_show(name)\
1676 lpfc_vport_param_init(name, defval, minval, maxval)\
1677 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1679 #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
1680 static uint lpfc_##name = defval;\
1681 module_param(lpfc_##name, uint, 0);\
1682 MODULE_PARM_DESC(lpfc_##name, desc);\
1683 lpfc_vport_param_hex_show(name)\
1684 lpfc_vport_param_init(name, defval, minval, maxval)\
1685 lpfc_vport_param_set(name, defval, minval, maxval)\
1686 lpfc_vport_param_store(name)\
1687 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1688 lpfc_##name##_show, lpfc_##name##_store)
1690 static DEVICE_ATTR(bg_info
, S_IRUGO
, lpfc_bg_info_show
, NULL
);
1691 static DEVICE_ATTR(bg_guard_err
, S_IRUGO
, lpfc_bg_guard_err_show
, NULL
);
1692 static DEVICE_ATTR(bg_apptag_err
, S_IRUGO
, lpfc_bg_apptag_err_show
, NULL
);
1693 static DEVICE_ATTR(bg_reftag_err
, S_IRUGO
, lpfc_bg_reftag_err_show
, NULL
);
1694 static DEVICE_ATTR(info
, S_IRUGO
, lpfc_info_show
, NULL
);
1695 static DEVICE_ATTR(serialnum
, S_IRUGO
, lpfc_serialnum_show
, NULL
);
1696 static DEVICE_ATTR(modeldesc
, S_IRUGO
, lpfc_modeldesc_show
, NULL
);
1697 static DEVICE_ATTR(modelname
, S_IRUGO
, lpfc_modelname_show
, NULL
);
1698 static DEVICE_ATTR(programtype
, S_IRUGO
, lpfc_programtype_show
, NULL
);
1699 static DEVICE_ATTR(portnum
, S_IRUGO
, lpfc_vportnum_show
, NULL
);
1700 static DEVICE_ATTR(fwrev
, S_IRUGO
, lpfc_fwrev_show
, NULL
);
1701 static DEVICE_ATTR(hdw
, S_IRUGO
, lpfc_hdw_show
, NULL
);
1702 static DEVICE_ATTR(link_state
, S_IRUGO
| S_IWUSR
, lpfc_link_state_show
,
1703 lpfc_link_state_store
);
1704 static DEVICE_ATTR(option_rom_version
, S_IRUGO
,
1705 lpfc_option_rom_version_show
, NULL
);
1706 static DEVICE_ATTR(num_discovered_ports
, S_IRUGO
,
1707 lpfc_num_discovered_ports_show
, NULL
);
1708 static DEVICE_ATTR(menlo_mgmt_mode
, S_IRUGO
, lpfc_mlomgmt_show
, NULL
);
1709 static DEVICE_ATTR(nport_evt_cnt
, S_IRUGO
, lpfc_nport_evt_cnt_show
, NULL
);
1710 static DEVICE_ATTR(lpfc_drvr_version
, S_IRUGO
, lpfc_drvr_version_show
, NULL
);
1711 static DEVICE_ATTR(lpfc_enable_fip
, S_IRUGO
, lpfc_enable_fip_show
, NULL
);
1712 static DEVICE_ATTR(board_mode
, S_IRUGO
| S_IWUSR
,
1713 lpfc_board_mode_show
, lpfc_board_mode_store
);
1714 static DEVICE_ATTR(issue_reset
, S_IWUSR
, NULL
, lpfc_issue_reset
);
1715 static DEVICE_ATTR(max_vpi
, S_IRUGO
, lpfc_max_vpi_show
, NULL
);
1716 static DEVICE_ATTR(used_vpi
, S_IRUGO
, lpfc_used_vpi_show
, NULL
);
1717 static DEVICE_ATTR(max_rpi
, S_IRUGO
, lpfc_max_rpi_show
, NULL
);
1718 static DEVICE_ATTR(used_rpi
, S_IRUGO
, lpfc_used_rpi_show
, NULL
);
1719 static DEVICE_ATTR(max_xri
, S_IRUGO
, lpfc_max_xri_show
, NULL
);
1720 static DEVICE_ATTR(used_xri
, S_IRUGO
, lpfc_used_xri_show
, NULL
);
1721 static DEVICE_ATTR(npiv_info
, S_IRUGO
, lpfc_npiv_info_show
, NULL
);
1722 static DEVICE_ATTR(lpfc_temp_sensor
, S_IRUGO
, lpfc_temp_sensor_show
, NULL
);
1723 static DEVICE_ATTR(lpfc_fips_level
, S_IRUGO
, lpfc_fips_level_show
, NULL
);
1724 static DEVICE_ATTR(lpfc_fips_rev
, S_IRUGO
, lpfc_fips_rev_show
, NULL
);
1727 static char *lpfc_soft_wwn_key
= "C99G71SL8032A";
1730 * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid
1731 * @dev: class device that is converted into a Scsi_host.
1732 * @attr: device attribute, not used.
1733 * @buf: containing the string lpfc_soft_wwn_key.
1734 * @count: must be size of lpfc_soft_wwn_key.
1737 * -EINVAL if the buffer does not contain lpfc_soft_wwn_key
1738 * length of buf indicates success
1741 lpfc_soft_wwn_enable_store(struct device
*dev
, struct device_attribute
*attr
,
1742 const char *buf
, size_t count
)
1744 struct Scsi_Host
*shost
= class_to_shost(dev
);
1745 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1746 struct lpfc_hba
*phba
= vport
->phba
;
1747 unsigned int cnt
= count
;
1750 * We're doing a simple sanity check for soft_wwpn setting.
1751 * We require that the user write a specific key to enable
1752 * the soft_wwpn attribute to be settable. Once the attribute
1753 * is written, the enable key resets. If further updates are
1754 * desired, the key must be written again to re-enable the
1757 * The "key" is not secret - it is a hardcoded string shown
1758 * here. The intent is to protect against the random user or
1759 * application that is just writing attributes.
1762 /* count may include a LF at end of string */
1763 if (buf
[cnt
-1] == '\n')
1766 if ((cnt
!= strlen(lpfc_soft_wwn_key
)) ||
1767 (strncmp(buf
, lpfc_soft_wwn_key
, strlen(lpfc_soft_wwn_key
)) != 0))
1770 phba
->soft_wwn_enable
= 1;
1773 static DEVICE_ATTR(lpfc_soft_wwn_enable
, S_IWUSR
, NULL
,
1774 lpfc_soft_wwn_enable_store
);
1777 * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter
1778 * @dev: class device that is converted into a Scsi_host.
1779 * @attr: device attribute, not used.
1780 * @buf: on return contains the wwpn in hexadecimal.
1782 * Returns: size of formatted string.
1785 lpfc_soft_wwpn_show(struct device
*dev
, struct device_attribute
*attr
,
1788 struct Scsi_Host
*shost
= class_to_shost(dev
);
1789 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1790 struct lpfc_hba
*phba
= vport
->phba
;
1792 return snprintf(buf
, PAGE_SIZE
, "0x%llx\n",
1793 (unsigned long long)phba
->cfg_soft_wwpn
);
1797 * lpfc_soft_wwpn_store - Set the ww port name of the adapter
1798 * @dev class device that is converted into a Scsi_host.
1799 * @attr: device attribute, not used.
1800 * @buf: contains the wwpn in hexadecimal.
1801 * @count: number of wwpn bytes in buf
1804 * -EACCES hba reset not enabled, adapter over temp
1805 * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid
1806 * -EIO error taking adapter offline or online
1807 * value of count on success
1810 lpfc_soft_wwpn_store(struct device
*dev
, struct device_attribute
*attr
,
1811 const char *buf
, size_t count
)
1813 struct Scsi_Host
*shost
= class_to_shost(dev
);
1814 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1815 struct lpfc_hba
*phba
= vport
->phba
;
1816 struct completion online_compl
;
1817 int stat1
=0, stat2
=0;
1818 unsigned int i
, j
, cnt
=count
;
1821 if (!phba
->cfg_enable_hba_reset
)
1823 spin_lock_irq(&phba
->hbalock
);
1824 if (phba
->over_temp_state
== HBA_OVER_TEMP
) {
1825 spin_unlock_irq(&phba
->hbalock
);
1828 spin_unlock_irq(&phba
->hbalock
);
1829 /* count may include a LF at end of string */
1830 if (buf
[cnt
-1] == '\n')
1833 if (!phba
->soft_wwn_enable
|| (cnt
< 16) || (cnt
> 18) ||
1834 ((cnt
== 17) && (*buf
++ != 'x')) ||
1835 ((cnt
== 18) && ((*buf
++ != '0') || (*buf
++ != 'x'))))
1838 phba
->soft_wwn_enable
= 0;
1840 memset(wwpn
, 0, sizeof(wwpn
));
1842 /* Validate and store the new name */
1843 for (i
=0, j
=0; i
< 16; i
++) {
1846 value
= hex_to_bin(*buf
++);
1848 j
= (j
<< 4) | value
;
1852 wwpn
[i
/2] = j
& 0xff;
1856 phba
->cfg_soft_wwpn
= wwn_to_u64(wwpn
);
1857 fc_host_port_name(shost
) = phba
->cfg_soft_wwpn
;
1858 if (phba
->cfg_soft_wwnn
)
1859 fc_host_node_name(shost
) = phba
->cfg_soft_wwnn
;
1861 dev_printk(KERN_NOTICE
, &phba
->pcidev
->dev
,
1862 "lpfc%d: Reinitializing to use soft_wwpn\n", phba
->brd_no
);
1864 stat1
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
1866 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1867 "0463 lpfc_soft_wwpn attribute set failed to "
1868 "reinit adapter - %d\n", stat1
);
1869 init_completion(&online_compl
);
1870 lpfc_workq_post_event(phba
, &stat2
, &online_compl
, LPFC_EVT_ONLINE
);
1871 wait_for_completion(&online_compl
);
1873 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1874 "0464 lpfc_soft_wwpn attribute set failed to "
1875 "reinit adapter - %d\n", stat2
);
1876 return (stat1
|| stat2
) ? -EIO
: count
;
1878 static DEVICE_ATTR(lpfc_soft_wwpn
, S_IRUGO
| S_IWUSR
,\
1879 lpfc_soft_wwpn_show
, lpfc_soft_wwpn_store
);
1882 * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter
1883 * @dev: class device that is converted into a Scsi_host.
1884 * @attr: device attribute, not used.
1885 * @buf: on return contains the wwnn in hexadecimal.
1887 * Returns: size of formatted string.
1890 lpfc_soft_wwnn_show(struct device
*dev
, struct device_attribute
*attr
,
1893 struct Scsi_Host
*shost
= class_to_shost(dev
);
1894 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
1895 return snprintf(buf
, PAGE_SIZE
, "0x%llx\n",
1896 (unsigned long long)phba
->cfg_soft_wwnn
);
1900 * lpfc_soft_wwnn_store - sets the ww node name of the adapter
1901 * @cdev: class device that is converted into a Scsi_host.
1902 * @buf: contains the ww node name in hexadecimal.
1903 * @count: number of wwnn bytes in buf.
1906 * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid
1907 * value of count on success
1910 lpfc_soft_wwnn_store(struct device
*dev
, struct device_attribute
*attr
,
1911 const char *buf
, size_t count
)
1913 struct Scsi_Host
*shost
= class_to_shost(dev
);
1914 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
1915 unsigned int i
, j
, cnt
=count
;
1918 /* count may include a LF at end of string */
1919 if (buf
[cnt
-1] == '\n')
1922 if (!phba
->soft_wwn_enable
|| (cnt
< 16) || (cnt
> 18) ||
1923 ((cnt
== 17) && (*buf
++ != 'x')) ||
1924 ((cnt
== 18) && ((*buf
++ != '0') || (*buf
++ != 'x'))))
1928 * Allow wwnn to be set many times, as long as the enable is set.
1929 * However, once the wwpn is set, everything locks.
1932 memset(wwnn
, 0, sizeof(wwnn
));
1934 /* Validate and store the new name */
1935 for (i
=0, j
=0; i
< 16; i
++) {
1938 value
= hex_to_bin(*buf
++);
1940 j
= (j
<< 4) | value
;
1944 wwnn
[i
/2] = j
& 0xff;
1948 phba
->cfg_soft_wwnn
= wwn_to_u64(wwnn
);
1950 dev_printk(KERN_NOTICE
, &phba
->pcidev
->dev
,
1951 "lpfc%d: soft_wwnn set. Value will take effect upon "
1952 "setting of the soft_wwpn\n", phba
->brd_no
);
1956 static DEVICE_ATTR(lpfc_soft_wwnn
, S_IRUGO
| S_IWUSR
,\
1957 lpfc_soft_wwnn_show
, lpfc_soft_wwnn_store
);
1960 static int lpfc_poll
= 0;
1961 module_param(lpfc_poll
, int, 0);
1962 MODULE_PARM_DESC(lpfc_poll
, "FCP ring polling mode control:"
1964 " 1 - poll with interrupts enabled"
1965 " 3 - poll and disable FCP ring interrupts");
1967 static DEVICE_ATTR(lpfc_poll
, S_IRUGO
| S_IWUSR
,
1968 lpfc_poll_show
, lpfc_poll_store
);
1970 int lpfc_sli_mode
= 0;
1971 module_param(lpfc_sli_mode
, int, 0);
1972 MODULE_PARM_DESC(lpfc_sli_mode
, "SLI mode selector:"
1973 " 0 - auto (SLI-3 if supported),"
1974 " 2 - select SLI-2 even on SLI-3 capable HBAs,"
1975 " 3 - select SLI-3");
1977 int lpfc_enable_npiv
= 1;
1978 module_param(lpfc_enable_npiv
, int, 0);
1979 MODULE_PARM_DESC(lpfc_enable_npiv
, "Enable NPIV functionality");
1980 lpfc_param_show(enable_npiv
);
1981 lpfc_param_init(enable_npiv
, 1, 0, 1);
1982 static DEVICE_ATTR(lpfc_enable_npiv
, S_IRUGO
, lpfc_enable_npiv_show
, NULL
);
1985 # lpfc_suppress_link_up: Bring link up at initialization
1986 # 0x0 = bring link up (issue MBX_INIT_LINK)
1987 # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK)
1988 # 0x2 = never bring up link
1989 # Default value is 0.
1991 LPFC_ATTR_R(suppress_link_up
, LPFC_INITIALIZE_LINK
, LPFC_INITIALIZE_LINK
,
1992 LPFC_DELAY_INIT_LINK_INDEFINITELY
,
1993 "Suppress Link Up at initialization");
1995 # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS
2003 lpfc_iocb_hw_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
2005 struct Scsi_Host
*shost
= class_to_shost(dev
);
2006 struct lpfc_hba
*phba
= ((struct lpfc_vport
*) shost
->hostdata
)->phba
;
2008 return snprintf(buf
, PAGE_SIZE
, "%d\n", phba
->iocb_max
);
2011 static DEVICE_ATTR(iocb_hw
, S_IRUGO
,
2012 lpfc_iocb_hw_show
, NULL
);
2014 lpfc_txq_hw_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
2016 struct Scsi_Host
*shost
= class_to_shost(dev
);
2017 struct lpfc_hba
*phba
= ((struct lpfc_vport
*) shost
->hostdata
)->phba
;
2019 return snprintf(buf
, PAGE_SIZE
, "%d\n",
2020 phba
->sli
.ring
[LPFC_ELS_RING
].txq_max
);
2023 static DEVICE_ATTR(txq_hw
, S_IRUGO
,
2024 lpfc_txq_hw_show
, NULL
);
2026 lpfc_txcmplq_hw_show(struct device
*dev
, struct device_attribute
*attr
,
2029 struct Scsi_Host
*shost
= class_to_shost(dev
);
2030 struct lpfc_hba
*phba
= ((struct lpfc_vport
*) shost
->hostdata
)->phba
;
2032 return snprintf(buf
, PAGE_SIZE
, "%d\n",
2033 phba
->sli
.ring
[LPFC_ELS_RING
].txcmplq_max
);
2036 static DEVICE_ATTR(txcmplq_hw
, S_IRUGO
,
2037 lpfc_txcmplq_hw_show
, NULL
);
2039 int lpfc_iocb_cnt
= 2;
2040 module_param(lpfc_iocb_cnt
, int, 1);
2041 MODULE_PARM_DESC(lpfc_iocb_cnt
,
2042 "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs");
2043 lpfc_param_show(iocb_cnt
);
2044 lpfc_param_init(iocb_cnt
, 2, 1, 5);
2045 static DEVICE_ATTR(lpfc_iocb_cnt
, S_IRUGO
,
2046 lpfc_iocb_cnt_show
, NULL
);
2049 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
2050 # until the timer expires. Value range is [0,255]. Default value is 30.
2052 static int lpfc_nodev_tmo
= LPFC_DEF_DEVLOSS_TMO
;
2053 static int lpfc_devloss_tmo
= LPFC_DEF_DEVLOSS_TMO
;
2054 module_param(lpfc_nodev_tmo
, int, 0);
2055 MODULE_PARM_DESC(lpfc_nodev_tmo
,
2056 "Seconds driver will hold I/O waiting "
2057 "for a device to come back");
2060 * lpfc_nodev_tmo_show - Return the hba dev loss timeout value
2061 * @dev: class converted to a Scsi_host structure.
2062 * @attr: device attribute, not used.
2063 * @buf: on return contains the dev loss timeout in decimal.
2065 * Returns: size of formatted string.
2068 lpfc_nodev_tmo_show(struct device
*dev
, struct device_attribute
*attr
,
2071 struct Scsi_Host
*shost
= class_to_shost(dev
);
2072 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2074 return snprintf(buf
, PAGE_SIZE
, "%d\n", vport
->cfg_devloss_tmo
);
2078 * lpfc_nodev_tmo_init - Set the hba nodev timeout value
2079 * @vport: lpfc vport structure pointer.
2080 * @val: contains the nodev timeout value.
2083 * If the devloss tmo is already set then nodev tmo is set to devloss tmo,
2084 * a kernel error message is printed and zero is returned.
2085 * Else if val is in range then nodev tmo and devloss tmo are set to val.
2086 * Otherwise nodev tmo is set to the default value.
2089 * zero if already set or if val is in range
2090 * -EINVAL val out of range
2093 lpfc_nodev_tmo_init(struct lpfc_vport
*vport
, int val
)
2095 if (vport
->cfg_devloss_tmo
!= LPFC_DEF_DEVLOSS_TMO
) {
2096 vport
->cfg_nodev_tmo
= vport
->cfg_devloss_tmo
;
2097 if (val
!= LPFC_DEF_DEVLOSS_TMO
)
2098 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2099 "0407 Ignoring nodev_tmo module "
2100 "parameter because devloss_tmo is "
2105 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
2106 vport
->cfg_nodev_tmo
= val
;
2107 vport
->cfg_devloss_tmo
= val
;
2110 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2111 "0400 lpfc_nodev_tmo attribute cannot be set to"
2112 " %d, allowed range is [%d, %d]\n",
2113 val
, LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
);
2114 vport
->cfg_nodev_tmo
= LPFC_DEF_DEVLOSS_TMO
;
2119 * lpfc_update_rport_devloss_tmo - Update dev loss tmo value
2120 * @vport: lpfc vport structure pointer.
2123 * Update all the ndlp's dev loss tmo with the vport devloss tmo value.
2126 lpfc_update_rport_devloss_tmo(struct lpfc_vport
*vport
)
2128 struct Scsi_Host
*shost
;
2129 struct lpfc_nodelist
*ndlp
;
2131 shost
= lpfc_shost_from_vport(vport
);
2132 spin_lock_irq(shost
->host_lock
);
2133 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
)
2134 if (NLP_CHK_NODE_ACT(ndlp
) && ndlp
->rport
)
2135 ndlp
->rport
->dev_loss_tmo
= vport
->cfg_devloss_tmo
;
2136 spin_unlock_irq(shost
->host_lock
);
2140 * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values
2141 * @vport: lpfc vport structure pointer.
2142 * @val: contains the tmo value.
2145 * If the devloss tmo is already set or the vport dev loss tmo has changed
2146 * then a kernel error message is printed and zero is returned.
2147 * Else if val is in range then nodev tmo and devloss tmo are set to val.
2148 * Otherwise nodev tmo is set to the default value.
2151 * zero if already set or if val is in range
2152 * -EINVAL val out of range
2155 lpfc_nodev_tmo_set(struct lpfc_vport
*vport
, int val
)
2157 if (vport
->dev_loss_tmo_changed
||
2158 (lpfc_devloss_tmo
!= LPFC_DEF_DEVLOSS_TMO
)) {
2159 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2160 "0401 Ignoring change to nodev_tmo "
2161 "because devloss_tmo is set.\n");
2164 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
2165 vport
->cfg_nodev_tmo
= val
;
2166 vport
->cfg_devloss_tmo
= val
;
2168 * For compat: set the fc_host dev loss so new rports
2169 * will get the value.
2171 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport
)) = val
;
2172 lpfc_update_rport_devloss_tmo(vport
);
2175 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2176 "0403 lpfc_nodev_tmo attribute cannot be set to"
2177 "%d, allowed range is [%d, %d]\n",
2178 val
, LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
);
2182 lpfc_vport_param_store(nodev_tmo
)
2184 static DEVICE_ATTR(lpfc_nodev_tmo
, S_IRUGO
| S_IWUSR
,
2185 lpfc_nodev_tmo_show
, lpfc_nodev_tmo_store
);
2188 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
2189 # disappear until the timer expires. Value range is [0,255]. Default
2192 module_param(lpfc_devloss_tmo
, int, 0);
2193 MODULE_PARM_DESC(lpfc_devloss_tmo
,
2194 "Seconds driver will hold I/O waiting "
2195 "for a device to come back");
2196 lpfc_vport_param_init(devloss_tmo
, LPFC_DEF_DEVLOSS_TMO
,
2197 LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
)
2198 lpfc_vport_param_show(devloss_tmo
)
2201 * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit
2202 * @vport: lpfc vport structure pointer.
2203 * @val: contains the tmo value.
2206 * If val is in a valid range then set the vport nodev tmo,
2207 * devloss tmo, also set the vport dev loss tmo changed flag.
2208 * Else a kernel error message is printed.
2211 * zero if val is in range
2212 * -EINVAL val out of range
2215 lpfc_devloss_tmo_set(struct lpfc_vport
*vport
, int val
)
2217 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
2218 vport
->cfg_nodev_tmo
= val
;
2219 vport
->cfg_devloss_tmo
= val
;
2220 vport
->dev_loss_tmo_changed
= 1;
2221 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport
)) = val
;
2222 lpfc_update_rport_devloss_tmo(vport
);
2226 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2227 "0404 lpfc_devloss_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(devloss_tmo
)
2234 static DEVICE_ATTR(lpfc_devloss_tmo
, S_IRUGO
| S_IWUSR
,
2235 lpfc_devloss_tmo_show
, lpfc_devloss_tmo_store
);
2238 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
2239 # deluged with LOTS of information.
2240 # You can set a bit mask to record specific types of verbose messages:
2241 # See lpfc_logmsh.h for definitions.
2243 LPFC_VPORT_ATTR_HEX_RW(log_verbose
, 0x0, 0x0, 0xffffffff,
2244 "Verbose logging bit-mask");
2247 # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters
2248 # objects that have been registered with the nameserver after login.
2250 LPFC_VPORT_ATTR_R(enable_da_id
, 0, 0, 1,
2251 "Deregister nameserver objects before LOGO");
2254 # lun_queue_depth: This parameter is used to limit the number of outstanding
2255 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
2257 LPFC_VPORT_ATTR_R(lun_queue_depth
, 30, 1, 128,
2258 "Max number of FCP commands we can queue to a specific LUN");
2261 # tgt_queue_depth: This parameter is used to limit the number of outstanding
2262 # commands per target port. Value range is [10,65535]. Default value is 65535.
2264 LPFC_VPORT_ATTR_R(tgt_queue_depth
, 65535, 10, 65535,
2265 "Max number of FCP commands we can queue to a specific target port");
2268 # hba_queue_depth: This parameter is used to limit the number of outstanding
2269 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
2270 # value is greater than the maximum number of exchanges supported by the HBA,
2271 # then maximum number of exchanges supported by the HBA is used to determine
2272 # the hba_queue_depth.
2274 LPFC_ATTR_R(hba_queue_depth
, 8192, 32, 8192,
2275 "Max number of FCP commands we can queue to a lpfc HBA");
2278 # peer_port_login: This parameter allows/prevents logins
2279 # between peer ports hosted on the same physical port.
2280 # When this parameter is set 0 peer ports of same physical port
2281 # are not allowed to login to each other.
2282 # When this parameter is set 1 peer ports of same physical port
2283 # are allowed to login to each other.
2284 # Default value of this parameter is 0.
2286 LPFC_VPORT_ATTR_R(peer_port_login
, 0, 0, 1,
2287 "Allow peer ports on the same physical port to login to each "
2291 # restrict_login: This parameter allows/prevents logins
2292 # between Virtual Ports and remote initiators.
2293 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
2294 # other initiators and will attempt to PLOGI all remote ports.
2295 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
2296 # remote ports and will not attempt to PLOGI to other initiators.
2297 # This parameter does not restrict to the physical port.
2298 # This parameter does not restrict logins to Fabric resident remote ports.
2299 # Default value of this parameter is 1.
2301 static int lpfc_restrict_login
= 1;
2302 module_param(lpfc_restrict_login
, int, 0);
2303 MODULE_PARM_DESC(lpfc_restrict_login
,
2304 "Restrict virtual ports login to remote initiators.");
2305 lpfc_vport_param_show(restrict_login
);
2308 * lpfc_restrict_login_init - Set the vport restrict login flag
2309 * @vport: lpfc vport structure pointer.
2310 * @val: contains the restrict login value.
2313 * If val is not in a valid range then log a kernel error message and set
2314 * the vport restrict login to one.
2315 * If the port type is physical clear the restrict login flag and return.
2316 * Else set the restrict login flag to val.
2319 * zero if val is in range
2320 * -EINVAL val out of range
2323 lpfc_restrict_login_init(struct lpfc_vport
*vport
, int val
)
2325 if (val
< 0 || val
> 1) {
2326 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2327 "0422 lpfc_restrict_login attribute cannot "
2328 "be set to %d, allowed range is [0, 1]\n",
2330 vport
->cfg_restrict_login
= 1;
2333 if (vport
->port_type
== LPFC_PHYSICAL_PORT
) {
2334 vport
->cfg_restrict_login
= 0;
2337 vport
->cfg_restrict_login
= val
;
2342 * lpfc_restrict_login_set - Set the vport restrict login flag
2343 * @vport: lpfc vport structure pointer.
2344 * @val: contains the restrict login value.
2347 * If val is not in a valid range then log a kernel error message and set
2348 * the vport restrict login to one.
2349 * If the port type is physical and the val is not zero log a kernel
2350 * error message, clear the restrict login flag and return zero.
2351 * Else set the restrict login flag to val.
2354 * zero if val is in range
2355 * -EINVAL val out of range
2358 lpfc_restrict_login_set(struct lpfc_vport
*vport
, int val
)
2360 if (val
< 0 || val
> 1) {
2361 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2362 "0425 lpfc_restrict_login attribute cannot "
2363 "be set to %d, allowed range is [0, 1]\n",
2365 vport
->cfg_restrict_login
= 1;
2368 if (vport
->port_type
== LPFC_PHYSICAL_PORT
&& val
!= 0) {
2369 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2370 "0468 lpfc_restrict_login must be 0 for "
2371 "Physical ports.\n");
2372 vport
->cfg_restrict_login
= 0;
2375 vport
->cfg_restrict_login
= val
;
2378 lpfc_vport_param_store(restrict_login
);
2379 static DEVICE_ATTR(lpfc_restrict_login
, S_IRUGO
| S_IWUSR
,
2380 lpfc_restrict_login_show
, lpfc_restrict_login_store
);
2383 # Some disk devices have a "select ID" or "select Target" capability.
2384 # From a protocol standpoint "select ID" usually means select the
2385 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
2386 # annex" which contains a table that maps a "select ID" (a number
2387 # between 0 and 7F) to an ALPA. By default, for compatibility with
2388 # older drivers, the lpfc driver scans this table from low ALPA to high
2391 # Turning on the scan-down variable (on = 1, off = 0) will
2392 # cause the lpfc driver to use an inverted table, effectively
2393 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
2395 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
2396 # and will not work across a fabric. Also this parameter will take
2397 # effect only in the case when ALPA map is not available.)
2399 LPFC_VPORT_ATTR_R(scan_down
, 1, 0, 1,
2400 "Start scanning for devices from highest ALPA to lowest");
2403 # lpfc_topology: link topology for init link
2404 # 0x0 = attempt loop mode then point-to-point
2405 # 0x01 = internal loopback mode
2406 # 0x02 = attempt point-to-point mode only
2407 # 0x04 = attempt loop mode only
2408 # 0x06 = attempt point-to-point mode then loop
2409 # Set point-to-point mode if you want to run as an N_Port.
2410 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
2411 # Default value is 0.
2415 * lpfc_topology_set - Set the adapters topology field
2416 * @phba: lpfc_hba pointer.
2417 * @val: topology value.
2420 * If val is in a valid range then set the adapter's topology field and
2421 * issue a lip; if the lip fails reset the topology to the old value.
2423 * If the value is not in range log a kernel error message and return an error.
2426 * zero if val is in range and lip okay
2427 * non-zero return value from lpfc_issue_lip()
2428 * -EINVAL val out of range
2431 lpfc_topology_store(struct device
*dev
, struct device_attribute
*attr
,
2432 const char *buf
, size_t count
)
2434 struct Scsi_Host
*shost
= class_to_shost(dev
);
2435 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2436 struct lpfc_hba
*phba
= vport
->phba
;
2439 const char *val_buf
= buf
;
2443 if (!strncmp(buf
, "nolip ", strlen("nolip "))) {
2445 val_buf
= &buf
[strlen("nolip ")];
2448 if (!isdigit(val_buf
[0]))
2450 if (sscanf(val_buf
, "%i", &val
) != 1)
2453 if (val
>= 0 && val
<= 6) {
2454 prev_val
= phba
->cfg_topology
;
2455 phba
->cfg_topology
= val
;
2459 err
= lpfc_issue_lip(lpfc_shost_from_vport(phba
->pport
));
2461 phba
->cfg_topology
= prev_val
;
2466 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2467 "%d:0467 lpfc_topology attribute cannot be set to %d, "
2468 "allowed range is [0, 6]\n",
2472 static int lpfc_topology
= 0;
2473 module_param(lpfc_topology
, int, 0);
2474 MODULE_PARM_DESC(lpfc_topology
, "Select Fibre Channel topology");
2475 lpfc_param_show(topology
)
2476 lpfc_param_init(topology
, 0, 0, 6)
2477 static DEVICE_ATTR(lpfc_topology
, S_IRUGO
| S_IWUSR
,
2478 lpfc_topology_show
, lpfc_topology_store
);
2481 * lpfc_static_vport_show: Read callback function for
2482 * lpfc_static_vport sysfs file.
2483 * @dev: Pointer to class device object.
2484 * @attr: device attribute structure.
2485 * @buf: Data buffer.
2487 * This function is the read call back function for
2488 * lpfc_static_vport sysfs file. The lpfc_static_vport
2489 * sysfs file report the mageability of the vport.
2492 lpfc_static_vport_show(struct device
*dev
, struct device_attribute
*attr
,
2495 struct Scsi_Host
*shost
= class_to_shost(dev
);
2496 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2497 if (vport
->vport_flag
& STATIC_VPORT
)
2498 sprintf(buf
, "1\n");
2500 sprintf(buf
, "0\n");
2506 * Sysfs attribute to control the statistical data collection.
2508 static DEVICE_ATTR(lpfc_static_vport
, S_IRUGO
,
2509 lpfc_static_vport_show
, NULL
);
2512 * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file
2513 * @dev: Pointer to class device.
2514 * @buf: Data buffer.
2515 * @count: Size of the data buffer.
2517 * This function get called when an user write to the lpfc_stat_data_ctrl
2518 * sysfs file. This function parse the command written to the sysfs file
2519 * and take appropriate action. These commands are used for controlling
2520 * driver statistical data collection.
2521 * Following are the command this function handles.
2523 * setbucket <bucket_type> <base> <step>
2524 * = Set the latency buckets.
2525 * destroybucket = destroy all the buckets.
2526 * start = start data collection
2527 * stop = stop data collection
2528 * reset = reset the collected data
2531 lpfc_stat_data_ctrl_store(struct device
*dev
, struct device_attribute
*attr
,
2532 const char *buf
, size_t count
)
2534 struct Scsi_Host
*shost
= class_to_shost(dev
);
2535 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2536 struct lpfc_hba
*phba
= vport
->phba
;
2537 #define LPFC_MAX_DATA_CTRL_LEN 1024
2538 static char bucket_data
[LPFC_MAX_DATA_CTRL_LEN
];
2540 char *str_ptr
, *token
;
2541 struct lpfc_vport
**vports
;
2542 struct Scsi_Host
*v_shost
;
2543 char *bucket_type_str
, *base_str
, *step_str
;
2544 unsigned long base
, step
, bucket_type
;
2546 if (!strncmp(buf
, "setbucket", strlen("setbucket"))) {
2547 if (strlen(buf
) > (LPFC_MAX_DATA_CTRL_LEN
- 1))
2550 strcpy(bucket_data
, buf
);
2551 str_ptr
= &bucket_data
[0];
2552 /* Ignore this token - this is command token */
2553 token
= strsep(&str_ptr
, "\t ");
2557 bucket_type_str
= strsep(&str_ptr
, "\t ");
2558 if (!bucket_type_str
)
2561 if (!strncmp(bucket_type_str
, "linear", strlen("linear")))
2562 bucket_type
= LPFC_LINEAR_BUCKET
;
2563 else if (!strncmp(bucket_type_str
, "power2", strlen("power2")))
2564 bucket_type
= LPFC_POWER2_BUCKET
;
2568 base_str
= strsep(&str_ptr
, "\t ");
2571 base
= simple_strtoul(base_str
, NULL
, 0);
2573 step_str
= strsep(&str_ptr
, "\t ");
2576 step
= simple_strtoul(step_str
, NULL
, 0);
2580 /* Block the data collection for every vport */
2581 vports
= lpfc_create_vport_work_array(phba
);
2585 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2586 v_shost
= lpfc_shost_from_vport(vports
[i
]);
2587 spin_lock_irq(v_shost
->host_lock
);
2588 /* Block and reset data collection */
2589 vports
[i
]->stat_data_blocked
= 1;
2590 if (vports
[i
]->stat_data_enabled
)
2591 lpfc_vport_reset_stat_data(vports
[i
]);
2592 spin_unlock_irq(v_shost
->host_lock
);
2595 /* Set the bucket attributes */
2596 phba
->bucket_type
= bucket_type
;
2597 phba
->bucket_base
= base
;
2598 phba
->bucket_step
= step
;
2600 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2601 v_shost
= lpfc_shost_from_vport(vports
[i
]);
2603 /* Unblock data collection */
2604 spin_lock_irq(v_shost
->host_lock
);
2605 vports
[i
]->stat_data_blocked
= 0;
2606 spin_unlock_irq(v_shost
->host_lock
);
2608 lpfc_destroy_vport_work_array(phba
, vports
);
2612 if (!strncmp(buf
, "destroybucket", strlen("destroybucket"))) {
2613 vports
= lpfc_create_vport_work_array(phba
);
2617 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2618 v_shost
= lpfc_shost_from_vport(vports
[i
]);
2619 spin_lock_irq(shost
->host_lock
);
2620 vports
[i
]->stat_data_blocked
= 1;
2621 lpfc_free_bucket(vport
);
2622 vport
->stat_data_enabled
= 0;
2623 vports
[i
]->stat_data_blocked
= 0;
2624 spin_unlock_irq(shost
->host_lock
);
2626 lpfc_destroy_vport_work_array(phba
, vports
);
2627 phba
->bucket_type
= LPFC_NO_BUCKET
;
2628 phba
->bucket_base
= 0;
2629 phba
->bucket_step
= 0;
2633 if (!strncmp(buf
, "start", strlen("start"))) {
2634 /* If no buckets configured return error */
2635 if (phba
->bucket_type
== LPFC_NO_BUCKET
)
2637 spin_lock_irq(shost
->host_lock
);
2638 if (vport
->stat_data_enabled
) {
2639 spin_unlock_irq(shost
->host_lock
);
2642 lpfc_alloc_bucket(vport
);
2643 vport
->stat_data_enabled
= 1;
2644 spin_unlock_irq(shost
->host_lock
);
2648 if (!strncmp(buf
, "stop", strlen("stop"))) {
2649 spin_lock_irq(shost
->host_lock
);
2650 if (vport
->stat_data_enabled
== 0) {
2651 spin_unlock_irq(shost
->host_lock
);
2654 lpfc_free_bucket(vport
);
2655 vport
->stat_data_enabled
= 0;
2656 spin_unlock_irq(shost
->host_lock
);
2660 if (!strncmp(buf
, "reset", strlen("reset"))) {
2661 if ((phba
->bucket_type
== LPFC_NO_BUCKET
)
2662 || !vport
->stat_data_enabled
)
2664 spin_lock_irq(shost
->host_lock
);
2665 vport
->stat_data_blocked
= 1;
2666 lpfc_vport_reset_stat_data(vport
);
2667 vport
->stat_data_blocked
= 0;
2668 spin_unlock_irq(shost
->host_lock
);
2676 * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file
2677 * @dev: Pointer to class device object.
2678 * @buf: Data buffer.
2680 * This function is the read call back function for
2681 * lpfc_stat_data_ctrl sysfs file. This function report the
2682 * current statistical data collection state.
2685 lpfc_stat_data_ctrl_show(struct device
*dev
, struct device_attribute
*attr
,
2688 struct Scsi_Host
*shost
= class_to_shost(dev
);
2689 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2690 struct lpfc_hba
*phba
= vport
->phba
;
2694 unsigned long bucket_value
;
2696 switch (phba
->bucket_type
) {
2697 case LPFC_LINEAR_BUCKET
:
2698 bucket_type
= "linear";
2700 case LPFC_POWER2_BUCKET
:
2701 bucket_type
= "power2";
2704 bucket_type
= "No Bucket";
2708 sprintf(&buf
[index
], "Statistical Data enabled :%d, "
2709 "blocked :%d, Bucket type :%s, Bucket base :%d,"
2710 " Bucket step :%d\nLatency Ranges :",
2711 vport
->stat_data_enabled
, vport
->stat_data_blocked
,
2712 bucket_type
, phba
->bucket_base
, phba
->bucket_step
);
2713 index
= strlen(buf
);
2714 if (phba
->bucket_type
!= LPFC_NO_BUCKET
) {
2715 for (i
= 0; i
< LPFC_MAX_BUCKET_COUNT
; i
++) {
2716 if (phba
->bucket_type
== LPFC_LINEAR_BUCKET
)
2717 bucket_value
= phba
->bucket_base
+
2718 phba
->bucket_step
* i
;
2720 bucket_value
= phba
->bucket_base
+
2721 (1 << i
) * phba
->bucket_step
;
2723 if (index
+ 10 > PAGE_SIZE
)
2725 sprintf(&buf
[index
], "%08ld ", bucket_value
);
2726 index
= strlen(buf
);
2729 sprintf(&buf
[index
], "\n");
2734 * Sysfs attribute to control the statistical data collection.
2736 static DEVICE_ATTR(lpfc_stat_data_ctrl
, S_IRUGO
| S_IWUSR
,
2737 lpfc_stat_data_ctrl_show
, lpfc_stat_data_ctrl_store
);
2740 * lpfc_drvr_stat_data: sysfs attr to get driver statistical data.
2744 * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN
2747 #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18)
2748 #define MAX_STAT_DATA_SIZE_PER_TARGET \
2749 STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT)
2753 * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute
2755 * @kobj: Pointer to the kernel object
2756 * @bin_attr: Attribute object
2757 * @buff: Buffer pointer
2759 * @count: Buffer size
2761 * This function is the read call back function for lpfc_drvr_stat_data
2762 * sysfs file. This function export the statistical data to user
2766 sysfs_drvr_stat_data_read(struct file
*filp
, struct kobject
*kobj
,
2767 struct bin_attribute
*bin_attr
,
2768 char *buf
, loff_t off
, size_t count
)
2770 struct device
*dev
= container_of(kobj
, struct device
,
2772 struct Scsi_Host
*shost
= class_to_shost(dev
);
2773 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2774 struct lpfc_hba
*phba
= vport
->phba
;
2775 int i
= 0, index
= 0;
2776 unsigned long nport_index
;
2777 struct lpfc_nodelist
*ndlp
= NULL
;
2778 nport_index
= (unsigned long)off
/
2779 MAX_STAT_DATA_SIZE_PER_TARGET
;
2781 if (!vport
->stat_data_enabled
|| vport
->stat_data_blocked
2782 || (phba
->bucket_type
== LPFC_NO_BUCKET
))
2785 spin_lock_irq(shost
->host_lock
);
2786 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2787 if (!NLP_CHK_NODE_ACT(ndlp
) || !ndlp
->lat_data
)
2790 if (nport_index
> 0) {
2795 if ((index
+ MAX_STAT_DATA_SIZE_PER_TARGET
)
2799 if (!ndlp
->lat_data
)
2803 sprintf(&buf
[index
], "%02x%02x%02x%02x%02x%02x%02x%02x:",
2804 ndlp
->nlp_portname
.u
.wwn
[0],
2805 ndlp
->nlp_portname
.u
.wwn
[1],
2806 ndlp
->nlp_portname
.u
.wwn
[2],
2807 ndlp
->nlp_portname
.u
.wwn
[3],
2808 ndlp
->nlp_portname
.u
.wwn
[4],
2809 ndlp
->nlp_portname
.u
.wwn
[5],
2810 ndlp
->nlp_portname
.u
.wwn
[6],
2811 ndlp
->nlp_portname
.u
.wwn
[7]);
2813 index
= strlen(buf
);
2815 for (i
= 0; i
< LPFC_MAX_BUCKET_COUNT
; i
++) {
2816 sprintf(&buf
[index
], "%010u,",
2817 ndlp
->lat_data
[i
].cmd_count
);
2818 index
= strlen(buf
);
2820 sprintf(&buf
[index
], "\n");
2821 index
= strlen(buf
);
2823 spin_unlock_irq(shost
->host_lock
);
2827 static struct bin_attribute sysfs_drvr_stat_data_attr
= {
2829 .name
= "lpfc_drvr_stat_data",
2832 .size
= LPFC_MAX_TARGET
* MAX_STAT_DATA_SIZE_PER_TARGET
,
2833 .read
= sysfs_drvr_stat_data_read
,
2838 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
2840 # 0 = auto select (default)
2845 # Value range is [0,8]. Default value is 0.
2849 * lpfc_link_speed_set - Set the adapters link speed
2850 * @phba: lpfc_hba pointer.
2851 * @val: link speed value.
2854 * If val is in a valid range then set the adapter's link speed field and
2855 * issue a lip; if the lip fails reset the link speed to the old value.
2858 * If the value is not in range log a kernel error message and return an error.
2861 * zero if val is in range and lip okay.
2862 * non-zero return value from lpfc_issue_lip()
2863 * -EINVAL val out of range
2866 lpfc_link_speed_store(struct device
*dev
, struct device_attribute
*attr
,
2867 const char *buf
, size_t count
)
2869 struct Scsi_Host
*shost
= class_to_shost(dev
);
2870 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2871 struct lpfc_hba
*phba
= vport
->phba
;
2874 const char *val_buf
= buf
;
2878 if (!strncmp(buf
, "nolip ", strlen("nolip "))) {
2880 val_buf
= &buf
[strlen("nolip ")];
2883 if (!isdigit(val_buf
[0]))
2885 if (sscanf(val_buf
, "%i", &val
) != 1)
2888 if (((val
== LINK_SPEED_1G
) && !(phba
->lmt
& LMT_1Gb
)) ||
2889 ((val
== LINK_SPEED_2G
) && !(phba
->lmt
& LMT_2Gb
)) ||
2890 ((val
== LINK_SPEED_4G
) && !(phba
->lmt
& LMT_4Gb
)) ||
2891 ((val
== LINK_SPEED_8G
) && !(phba
->lmt
& LMT_8Gb
)) ||
2892 ((val
== LINK_SPEED_10G
) && !(phba
->lmt
& LMT_10Gb
)))
2895 if ((val
>= 0 && val
<= 8)
2896 && (LPFC_LINK_SPEED_BITMAP
& (1 << val
))) {
2897 prev_val
= phba
->cfg_link_speed
;
2898 phba
->cfg_link_speed
= val
;
2902 err
= lpfc_issue_lip(lpfc_shost_from_vport(phba
->pport
));
2904 phba
->cfg_link_speed
= prev_val
;
2910 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2911 "%d:0469 lpfc_link_speed attribute cannot be set to %d, "
2912 "allowed range is [0, 8]\n",
2917 static int lpfc_link_speed
= 0;
2918 module_param(lpfc_link_speed
, int, 0);
2919 MODULE_PARM_DESC(lpfc_link_speed
, "Select link speed");
2920 lpfc_param_show(link_speed
)
2923 * lpfc_link_speed_init - Set the adapters link speed
2924 * @phba: lpfc_hba pointer.
2925 * @val: link speed value.
2928 * If val is in a valid range then set the adapter's link speed field.
2931 * If the value is not in range log a kernel error message, clear the link
2932 * speed and return an error.
2935 * zero if val saved.
2936 * -EINVAL val out of range
2939 lpfc_link_speed_init(struct lpfc_hba
*phba
, int val
)
2941 if ((val
>= 0 && val
<= LPFC_MAX_LINK_SPEED
)
2942 && (LPFC_LINK_SPEED_BITMAP
& (1 << val
))) {
2943 phba
->cfg_link_speed
= val
;
2946 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2947 "0405 lpfc_link_speed attribute cannot "
2948 "be set to %d, allowed values are "
2949 "["LPFC_LINK_SPEED_STRING
"]\n", val
);
2950 phba
->cfg_link_speed
= 0;
2954 static DEVICE_ATTR(lpfc_link_speed
, S_IRUGO
| S_IWUSR
,
2955 lpfc_link_speed_show
, lpfc_link_speed_store
);
2958 # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER)
2959 # 0 = aer disabled or not supported
2960 # 1 = aer supported and enabled (default)
2961 # Value range is [0,1]. Default value is 1.
2965 * lpfc_aer_support_store - Set the adapter for aer support
2967 * @dev: class device that is converted into a Scsi_host.
2968 * @attr: device attribute, not used.
2969 * @buf: containing the string "selective".
2970 * @count: unused variable.
2973 * If the val is 1 and currently the device's AER capability was not
2974 * enabled, invoke the kernel's enable AER helper routine, trying to
2975 * enable the device's AER capability. If the helper routine enabling
2976 * AER returns success, update the device's cfg_aer_support flag to
2977 * indicate AER is supported by the device; otherwise, if the device
2978 * AER capability is already enabled to support AER, then do nothing.
2980 * If the val is 0 and currently the device's AER support was enabled,
2981 * invoke the kernel's disable AER helper routine. After that, update
2982 * the device's cfg_aer_support flag to indicate AER is not supported
2983 * by the device; otherwise, if the device AER capability is already
2984 * disabled from supporting AER, then do nothing.
2987 * length of the buf on success if val is in range the intended mode
2989 * -EINVAL if val out of range or intended mode is not supported.
2992 lpfc_aer_support_store(struct device
*dev
, struct device_attribute
*attr
,
2993 const char *buf
, size_t count
)
2995 struct Scsi_Host
*shost
= class_to_shost(dev
);
2996 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
2997 struct lpfc_hba
*phba
= vport
->phba
;
2998 int val
= 0, rc
= -EINVAL
;
3000 if (!isdigit(buf
[0]))
3002 if (sscanf(buf
, "%i", &val
) != 1)
3007 if (phba
->hba_flag
& HBA_AER_ENABLED
) {
3008 rc
= pci_disable_pcie_error_reporting(phba
->pcidev
);
3010 spin_lock_irq(&phba
->hbalock
);
3011 phba
->hba_flag
&= ~HBA_AER_ENABLED
;
3012 spin_unlock_irq(&phba
->hbalock
);
3013 phba
->cfg_aer_support
= 0;
3018 phba
->cfg_aer_support
= 0;
3023 if (!(phba
->hba_flag
& HBA_AER_ENABLED
)) {
3024 rc
= pci_enable_pcie_error_reporting(phba
->pcidev
);
3026 spin_lock_irq(&phba
->hbalock
);
3027 phba
->hba_flag
|= HBA_AER_ENABLED
;
3028 spin_unlock_irq(&phba
->hbalock
);
3029 phba
->cfg_aer_support
= 1;
3034 phba
->cfg_aer_support
= 1;
3045 static int lpfc_aer_support
= 1;
3046 module_param(lpfc_aer_support
, int, 1);
3047 MODULE_PARM_DESC(lpfc_aer_support
, "Enable PCIe device AER support");
3048 lpfc_param_show(aer_support
)
3051 * lpfc_aer_support_init - Set the initial adapters aer support flag
3052 * @phba: lpfc_hba pointer.
3053 * @val: link speed value.
3056 * If val is in a valid range [0,1], then set the adapter's initial
3057 * cfg_aer_support field. It will be up to the driver's probe_one
3058 * routine to determine whether the device's AER support can be set
3062 * If the value is not in range log a kernel error message, and
3063 * choose the default value of setting AER support and return.
3066 * zero if val saved.
3067 * -EINVAL val out of range
3070 lpfc_aer_support_init(struct lpfc_hba
*phba
, int val
)
3072 if (val
== 0 || val
== 1) {
3073 phba
->cfg_aer_support
= val
;
3076 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3077 "2712 lpfc_aer_support attribute value %d out "
3078 "of range, allowed values are 0|1, setting it "
3079 "to default value of 1\n", val
);
3080 /* By default, try to enable AER on a device */
3081 phba
->cfg_aer_support
= 1;
3085 static DEVICE_ATTR(lpfc_aer_support
, S_IRUGO
| S_IWUSR
,
3086 lpfc_aer_support_show
, lpfc_aer_support_store
);
3089 * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device
3090 * @dev: class device that is converted into a Scsi_host.
3091 * @attr: device attribute, not used.
3092 * @buf: containing the string "selective".
3093 * @count: unused variable.
3096 * If the @buf contains 1 and the device currently has the AER support
3097 * enabled, then invokes the kernel AER helper routine
3098 * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable
3099 * error status register.
3104 * -EINVAL if the buf does not contain the 1 or the device is not currently
3105 * enabled with the AER support.
3108 lpfc_aer_cleanup_state(struct device
*dev
, struct device_attribute
*attr
,
3109 const char *buf
, size_t count
)
3111 struct Scsi_Host
*shost
= class_to_shost(dev
);
3112 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3113 struct lpfc_hba
*phba
= vport
->phba
;
3116 if (!isdigit(buf
[0]))
3118 if (sscanf(buf
, "%i", &val
) != 1)
3123 if (phba
->hba_flag
& HBA_AER_ENABLED
)
3124 rc
= pci_cleanup_aer_uncorrect_error_status(phba
->pcidev
);
3132 static DEVICE_ATTR(lpfc_aer_state_cleanup
, S_IWUSR
, NULL
,
3133 lpfc_aer_cleanup_state
);
3136 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
3137 # Value range is [2,3]. Default value is 3.
3139 LPFC_VPORT_ATTR_R(fcp_class
, 3, 2, 3,
3140 "Select Fibre Channel class of service for FCP sequences");
3143 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
3144 # is [0,1]. Default value is 0.
3146 LPFC_VPORT_ATTR_RW(use_adisc
, 0, 0, 1,
3147 "Use ADISC on rediscovery to authenticate FCP devices");
3150 # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue
3151 # depth. Default value is 0. When the value of this parameter is zero the
3152 # SCSI command completion time is not used for controlling I/O queue depth. When
3153 # the parameter is set to a non-zero value, the I/O queue depth is controlled
3154 # to limit the I/O completion time to the parameter value.
3155 # The value is set in milliseconds.
3157 static int lpfc_max_scsicmpl_time
;
3158 module_param(lpfc_max_scsicmpl_time
, int, 0);
3159 MODULE_PARM_DESC(lpfc_max_scsicmpl_time
,
3160 "Use command completion time to control queue depth");
3161 lpfc_vport_param_show(max_scsicmpl_time
);
3162 lpfc_vport_param_init(max_scsicmpl_time
, 0, 0, 60000);
3164 lpfc_max_scsicmpl_time_set(struct lpfc_vport
*vport
, int val
)
3166 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3167 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
3169 if (val
== vport
->cfg_max_scsicmpl_time
)
3171 if ((val
< 0) || (val
> 60000))
3173 vport
->cfg_max_scsicmpl_time
= val
;
3175 spin_lock_irq(shost
->host_lock
);
3176 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
3177 if (!NLP_CHK_NODE_ACT(ndlp
))
3179 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
3181 ndlp
->cmd_qdepth
= vport
->cfg_tgt_queue_depth
;
3183 spin_unlock_irq(shost
->host_lock
);
3186 lpfc_vport_param_store(max_scsicmpl_time
);
3187 static DEVICE_ATTR(lpfc_max_scsicmpl_time
, S_IRUGO
| S_IWUSR
,
3188 lpfc_max_scsicmpl_time_show
,
3189 lpfc_max_scsicmpl_time_store
);
3192 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
3193 # range is [0,1]. Default value is 0.
3195 LPFC_ATTR_R(ack0
, 0, 0, 1, "Enable ACK0 support");
3198 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
3199 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
3200 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
3201 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
3202 # cr_delay is set to 0.
3204 LPFC_ATTR_RW(cr_delay
, 0, 0, 63, "A count of milliseconds after which an "
3205 "interrupt response is generated");
3207 LPFC_ATTR_RW(cr_count
, 1, 1, 255, "A count of I/O completions after which an "
3208 "interrupt response is generated");
3211 # lpfc_multi_ring_support: Determines how many rings to spread available
3212 # cmd/rsp IOCB entries across.
3213 # Value range is [1,2]. Default value is 1.
3215 LPFC_ATTR_R(multi_ring_support
, 1, 1, 2, "Determines number of primary "
3216 "SLI rings to spread IOCB entries across");
3219 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
3220 # identifies what rctl value to configure the additional ring for.
3221 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
3223 LPFC_ATTR_R(multi_ring_rctl
, FC_RCTL_DD_UNSOL_DATA
, 1,
3224 255, "Identifies RCTL for additional ring configuration");
3227 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
3228 # identifies what type value to configure the additional ring for.
3229 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
3231 LPFC_ATTR_R(multi_ring_type
, FC_TYPE_IP
, 1,
3232 255, "Identifies TYPE for additional ring configuration");
3235 # lpfc_fdmi_on: controls FDMI support.
3236 # 0 = no FDMI support
3237 # 1 = support FDMI without attribute of hostname
3238 # 2 = support FDMI with attribute of hostname
3239 # Value range [0,2]. Default value is 0.
3241 LPFC_VPORT_ATTR_RW(fdmi_on
, 0, 0, 2, "Enable FDMI support");
3244 # Specifies the maximum number of ELS cmds we can have outstanding (for
3245 # discovery). Value range is [1,64]. Default value = 32.
3247 LPFC_VPORT_ATTR(discovery_threads
, 32, 1, 64, "Maximum number of ELS commands "
3248 "during discovery");
3251 # lpfc_max_luns: maximum allowed LUN.
3252 # Value range is [0,65535]. Default value is 255.
3253 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
3255 LPFC_VPORT_ATTR_R(max_luns
, 255, 0, 65535, "Maximum allowed LUN");
3258 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
3259 # Value range is [1,255], default value is 10.
3261 LPFC_ATTR_RW(poll_tmo
, 10, 1, 255,
3262 "Milliseconds driver will wait between polling FCP ring");
3265 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
3266 # support this feature
3269 # 2 = MSI-X enabled (default)
3270 # Value range is [0,2]. Default value is 2.
3272 LPFC_ATTR_R(use_msi
, 2, 0, 2, "Use Message Signaled Interrupts (1) or "
3273 "MSI-X (2), if possible");
3276 # lpfc_fcp_imax: Set the maximum number of fast-path FCP interrupts per second
3278 # Value range is [636,651042]. Default value is 10000.
3280 LPFC_ATTR_R(fcp_imax
, LPFC_FP_DEF_IMAX
, LPFC_MIM_IMAX
, LPFC_DMULT_CONST
,
3281 "Set the maximum number of fast-path FCP interrupts per second");
3284 # lpfc_fcp_wq_count: Set the number of fast-path FCP work queues
3286 # Value range is [1,31]. Default value is 4.
3288 LPFC_ATTR_R(fcp_wq_count
, LPFC_FP_WQN_DEF
, LPFC_FP_WQN_MIN
, LPFC_FP_WQN_MAX
,
3289 "Set the number of fast-path FCP work queues, if possible");
3292 # lpfc_fcp_eq_count: Set the number of fast-path FCP event queues
3294 # Value range is [1,7]. Default value is 1.
3296 LPFC_ATTR_R(fcp_eq_count
, LPFC_FP_EQN_DEF
, LPFC_FP_EQN_MIN
, LPFC_FP_EQN_MAX
,
3297 "Set the number of fast-path FCP event queues, if possible");
3300 # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
3301 # 0 = HBA resets disabled
3302 # 1 = HBA resets enabled (default)
3303 # Value range is [0,1]. Default value is 1.
3305 LPFC_ATTR_R(enable_hba_reset
, 1, 0, 1, "Enable HBA resets from the driver.");
3308 # lpfc_enable_hba_heartbeat: Enable HBA heartbeat timer..
3309 # 0 = HBA Heartbeat disabled
3310 # 1 = HBA Heartbeat enabled (default)
3311 # Value range is [0,1]. Default value is 1.
3313 LPFC_ATTR_R(enable_hba_heartbeat
, 1, 0, 1, "Enable HBA Heartbeat.");
3316 # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF)
3317 # 0 = BlockGuard disabled (default)
3318 # 1 = BlockGuard enabled
3319 # Value range is [0,1]. Default value is 0.
3321 LPFC_ATTR_R(enable_bg
, 0, 0, 1, "Enable BlockGuard Support");
3325 # - Bit mask of host protection capabilities used to register with the
3327 # - Only meaningful if BG is turned on (lpfc_enable_bg=1).
3328 # - Allows you to ultimately specify which profiles to use
3329 # - Default will result in registering capabilities for all profiles.
3332 unsigned int lpfc_prot_mask
= SHOST_DIF_TYPE1_PROTECTION
;
3334 module_param(lpfc_prot_mask
, uint
, 0);
3335 MODULE_PARM_DESC(lpfc_prot_mask
, "host protection mask");
3338 # lpfc_prot_guard: i
3339 # - Bit mask of protection guard types to register with the SCSI mid-layer
3340 # - Guard types are currently either 1) IP checksum 2) T10-DIF CRC
3341 # - Allows you to ultimately specify which profiles to use
3342 # - Default will result in registering capabilities for all guard types
3345 unsigned char lpfc_prot_guard
= SHOST_DIX_GUARD_IP
;
3346 module_param(lpfc_prot_guard
, byte
, 0);
3347 MODULE_PARM_DESC(lpfc_prot_guard
, "host protection guard type");
3351 * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count
3352 * This value can be set to values between 64 and 256. The default value is
3353 * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer
3354 * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE).
3356 LPFC_ATTR_R(sg_seg_cnt
, LPFC_DEFAULT_SG_SEG_CNT
, LPFC_DEFAULT_SG_SEG_CNT
,
3357 LPFC_MAX_SG_SEG_CNT
, "Max Scatter Gather Segment Count");
3359 LPFC_ATTR_R(prot_sg_seg_cnt
, LPFC_DEFAULT_PROT_SG_SEG_CNT
,
3360 LPFC_DEFAULT_PROT_SG_SEG_CNT
, LPFC_MAX_PROT_SG_SEG_CNT
,
3361 "Max Protection Scatter Gather Segment Count");
3363 struct device_attribute
*lpfc_hba_attrs
[] = {
3365 &dev_attr_bg_guard_err
,
3366 &dev_attr_bg_apptag_err
,
3367 &dev_attr_bg_reftag_err
,
3369 &dev_attr_serialnum
,
3370 &dev_attr_modeldesc
,
3371 &dev_attr_modelname
,
3372 &dev_attr_programtype
,
3376 &dev_attr_option_rom_version
,
3377 &dev_attr_link_state
,
3378 &dev_attr_num_discovered_ports
,
3379 &dev_attr_menlo_mgmt_mode
,
3380 &dev_attr_lpfc_drvr_version
,
3381 &dev_attr_lpfc_enable_fip
,
3382 &dev_attr_lpfc_temp_sensor
,
3383 &dev_attr_lpfc_log_verbose
,
3384 &dev_attr_lpfc_lun_queue_depth
,
3385 &dev_attr_lpfc_tgt_queue_depth
,
3386 &dev_attr_lpfc_hba_queue_depth
,
3387 &dev_attr_lpfc_peer_port_login
,
3388 &dev_attr_lpfc_nodev_tmo
,
3389 &dev_attr_lpfc_devloss_tmo
,
3390 &dev_attr_lpfc_fcp_class
,
3391 &dev_attr_lpfc_use_adisc
,
3392 &dev_attr_lpfc_ack0
,
3393 &dev_attr_lpfc_topology
,
3394 &dev_attr_lpfc_scan_down
,
3395 &dev_attr_lpfc_link_speed
,
3396 &dev_attr_lpfc_cr_delay
,
3397 &dev_attr_lpfc_cr_count
,
3398 &dev_attr_lpfc_multi_ring_support
,
3399 &dev_attr_lpfc_multi_ring_rctl
,
3400 &dev_attr_lpfc_multi_ring_type
,
3401 &dev_attr_lpfc_fdmi_on
,
3402 &dev_attr_lpfc_max_luns
,
3403 &dev_attr_lpfc_enable_npiv
,
3404 &dev_attr_nport_evt_cnt
,
3405 &dev_attr_board_mode
,
3412 &dev_attr_npiv_info
,
3413 &dev_attr_issue_reset
,
3414 &dev_attr_lpfc_poll
,
3415 &dev_attr_lpfc_poll_tmo
,
3416 &dev_attr_lpfc_use_msi
,
3417 &dev_attr_lpfc_fcp_imax
,
3418 &dev_attr_lpfc_fcp_wq_count
,
3419 &dev_attr_lpfc_fcp_eq_count
,
3420 &dev_attr_lpfc_enable_bg
,
3421 &dev_attr_lpfc_soft_wwnn
,
3422 &dev_attr_lpfc_soft_wwpn
,
3423 &dev_attr_lpfc_soft_wwn_enable
,
3424 &dev_attr_lpfc_enable_hba_reset
,
3425 &dev_attr_lpfc_enable_hba_heartbeat
,
3426 &dev_attr_lpfc_sg_seg_cnt
,
3427 &dev_attr_lpfc_max_scsicmpl_time
,
3428 &dev_attr_lpfc_stat_data_ctrl
,
3429 &dev_attr_lpfc_prot_sg_seg_cnt
,
3430 &dev_attr_lpfc_aer_support
,
3431 &dev_attr_lpfc_aer_state_cleanup
,
3432 &dev_attr_lpfc_suppress_link_up
,
3433 &dev_attr_lpfc_iocb_cnt
,
3436 &dev_attr_txcmplq_hw
,
3437 &dev_attr_lpfc_fips_level
,
3438 &dev_attr_lpfc_fips_rev
,
3442 struct device_attribute
*lpfc_vport_attrs
[] = {
3444 &dev_attr_link_state
,
3445 &dev_attr_num_discovered_ports
,
3446 &dev_attr_lpfc_drvr_version
,
3447 &dev_attr_lpfc_log_verbose
,
3448 &dev_attr_lpfc_lun_queue_depth
,
3449 &dev_attr_lpfc_tgt_queue_depth
,
3450 &dev_attr_lpfc_nodev_tmo
,
3451 &dev_attr_lpfc_devloss_tmo
,
3452 &dev_attr_lpfc_hba_queue_depth
,
3453 &dev_attr_lpfc_peer_port_login
,
3454 &dev_attr_lpfc_restrict_login
,
3455 &dev_attr_lpfc_fcp_class
,
3456 &dev_attr_lpfc_use_adisc
,
3457 &dev_attr_lpfc_fdmi_on
,
3458 &dev_attr_lpfc_max_luns
,
3459 &dev_attr_nport_evt_cnt
,
3460 &dev_attr_npiv_info
,
3461 &dev_attr_lpfc_enable_da_id
,
3462 &dev_attr_lpfc_max_scsicmpl_time
,
3463 &dev_attr_lpfc_stat_data_ctrl
,
3464 &dev_attr_lpfc_static_vport
,
3465 &dev_attr_lpfc_fips_level
,
3466 &dev_attr_lpfc_fips_rev
,
3471 * sysfs_ctlreg_write - Write method for writing to ctlreg
3472 * @filp: open sysfs file
3473 * @kobj: kernel kobject that contains the kernel class device.
3474 * @bin_attr: kernel attributes passed to us.
3475 * @buf: contains the data to be written to the adapter IOREG space.
3476 * @off: offset into buffer to beginning of data.
3477 * @count: bytes to transfer.
3480 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
3481 * Uses the adapter io control registers to send buf contents to the adapter.
3484 * -ERANGE off and count combo out of range
3485 * -EINVAL off, count or buff address invalid
3486 * -EPERM adapter is offline
3487 * value of count, buf contents written
3490 sysfs_ctlreg_write(struct file
*filp
, struct kobject
*kobj
,
3491 struct bin_attribute
*bin_attr
,
3492 char *buf
, loff_t off
, size_t count
)
3495 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
3496 struct Scsi_Host
*shost
= class_to_shost(dev
);
3497 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3498 struct lpfc_hba
*phba
= vport
->phba
;
3500 if (phba
->sli_rev
>= LPFC_SLI_REV4
)
3503 if ((off
+ count
) > FF_REG_AREA_SIZE
)
3506 if (count
== 0) return 0;
3508 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
3511 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
)) {
3515 spin_lock_irq(&phba
->hbalock
);
3516 for (buf_off
= 0; buf_off
< count
; buf_off
+= sizeof(uint32_t))
3517 writel(*((uint32_t *)(buf
+ buf_off
)),
3518 phba
->ctrl_regs_memmap_p
+ off
+ buf_off
);
3520 spin_unlock_irq(&phba
->hbalock
);
3526 * sysfs_ctlreg_read - Read method for reading from ctlreg
3527 * @filp: open sysfs file
3528 * @kobj: kernel kobject that contains the kernel class device.
3529 * @bin_attr: kernel attributes passed to us.
3530 * @buf: if successful contains the data from the adapter IOREG space.
3531 * @off: offset into buffer to beginning of data.
3532 * @count: bytes to transfer.
3535 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
3536 * Uses the adapter io control registers to read data into buf.
3539 * -ERANGE off and count combo out of range
3540 * -EINVAL off, count or buff address invalid
3541 * value of count, buf contents read
3544 sysfs_ctlreg_read(struct file
*filp
, struct kobject
*kobj
,
3545 struct bin_attribute
*bin_attr
,
3546 char *buf
, loff_t off
, size_t count
)
3550 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
3551 struct Scsi_Host
*shost
= class_to_shost(dev
);
3552 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3553 struct lpfc_hba
*phba
= vport
->phba
;
3555 if (phba
->sli_rev
>= LPFC_SLI_REV4
)
3558 if (off
> FF_REG_AREA_SIZE
)
3561 if ((off
+ count
) > FF_REG_AREA_SIZE
)
3562 count
= FF_REG_AREA_SIZE
- off
;
3564 if (count
== 0) return 0;
3566 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
3569 spin_lock_irq(&phba
->hbalock
);
3571 for (buf_off
= 0; buf_off
< count
; buf_off
+= sizeof(uint32_t)) {
3572 tmp_ptr
= (uint32_t *)(buf
+ buf_off
);
3573 *tmp_ptr
= readl(phba
->ctrl_regs_memmap_p
+ off
+ buf_off
);
3576 spin_unlock_irq(&phba
->hbalock
);
3581 static struct bin_attribute sysfs_ctlreg_attr
= {
3584 .mode
= S_IRUSR
| S_IWUSR
,
3587 .read
= sysfs_ctlreg_read
,
3588 .write
= sysfs_ctlreg_write
,
3592 * sysfs_mbox_idle - frees the sysfs mailbox
3593 * @phba: lpfc_hba pointer
3596 sysfs_mbox_idle(struct lpfc_hba
*phba
)
3598 phba
->sysfs_mbox
.state
= SMBOX_IDLE
;
3599 phba
->sysfs_mbox
.offset
= 0;
3601 if (phba
->sysfs_mbox
.mbox
) {
3602 mempool_free(phba
->sysfs_mbox
.mbox
,
3603 phba
->mbox_mem_pool
);
3604 phba
->sysfs_mbox
.mbox
= NULL
;
3609 * sysfs_mbox_write - Write method for writing information via mbox
3610 * @filp: open sysfs file
3611 * @kobj: kernel kobject that contains the kernel class device.
3612 * @bin_attr: kernel attributes passed to us.
3613 * @buf: contains the data to be written to sysfs mbox.
3614 * @off: offset into buffer to beginning of data.
3615 * @count: bytes to transfer.
3618 * Accessed via /sys/class/scsi_host/hostxxx/mbox.
3619 * Uses the sysfs mbox to send buf contents to the adapter.
3622 * -ERANGE off and count combo out of range
3623 * -EINVAL off, count or buff address invalid
3624 * zero if count is zero
3625 * -EPERM adapter is offline
3626 * -ENOMEM failed to allocate memory for the mail box
3627 * -EAGAIN offset, state or mbox is NULL
3628 * count number of bytes transferred
3631 sysfs_mbox_write(struct file
*filp
, struct kobject
*kobj
,
3632 struct bin_attribute
*bin_attr
,
3633 char *buf
, loff_t off
, size_t count
)
3635 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
3636 struct Scsi_Host
*shost
= class_to_shost(dev
);
3637 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3638 struct lpfc_hba
*phba
= vport
->phba
;
3639 struct lpfcMboxq
*mbox
= NULL
;
3641 if ((count
+ off
) > MAILBOX_CMD_SIZE
)
3644 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
3651 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3654 memset(mbox
, 0, sizeof (LPFC_MBOXQ_t
));
3657 spin_lock_irq(&phba
->hbalock
);
3660 if (phba
->sysfs_mbox
.mbox
)
3661 mempool_free(mbox
, phba
->mbox_mem_pool
);
3663 phba
->sysfs_mbox
.mbox
= mbox
;
3664 phba
->sysfs_mbox
.state
= SMBOX_WRITING
;
3666 if (phba
->sysfs_mbox
.state
!= SMBOX_WRITING
||
3667 phba
->sysfs_mbox
.offset
!= off
||
3668 phba
->sysfs_mbox
.mbox
== NULL
) {
3669 sysfs_mbox_idle(phba
);
3670 spin_unlock_irq(&phba
->hbalock
);
3675 memcpy((uint8_t *) &phba
->sysfs_mbox
.mbox
->u
.mb
+ off
,
3678 phba
->sysfs_mbox
.offset
= off
+ count
;
3680 spin_unlock_irq(&phba
->hbalock
);
3686 * sysfs_mbox_read - Read method for reading information via mbox
3687 * @filp: open sysfs file
3688 * @kobj: kernel kobject that contains the kernel class device.
3689 * @bin_attr: kernel attributes passed to us.
3690 * @buf: contains the data to be read from sysfs mbox.
3691 * @off: offset into buffer to beginning of data.
3692 * @count: bytes to transfer.
3695 * Accessed via /sys/class/scsi_host/hostxxx/mbox.
3696 * Uses the sysfs mbox to receive data from to the adapter.
3699 * -ERANGE off greater than mailbox command size
3700 * -EINVAL off, count or buff address invalid
3701 * zero if off and count are zero
3702 * -EACCES adapter over temp
3703 * -EPERM garbage can value to catch a multitude of errors
3704 * -EAGAIN management IO not permitted, state or off error
3705 * -ETIME mailbox timeout
3706 * -ENODEV mailbox error
3707 * count number of bytes transferred
3710 sysfs_mbox_read(struct file
*filp
, struct kobject
*kobj
,
3711 struct bin_attribute
*bin_attr
,
3712 char *buf
, loff_t off
, size_t count
)
3714 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
3715 struct Scsi_Host
*shost
= class_to_shost(dev
);
3716 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3717 struct lpfc_hba
*phba
= vport
->phba
;
3721 if (off
> MAILBOX_CMD_SIZE
)
3724 if ((count
+ off
) > MAILBOX_CMD_SIZE
)
3725 count
= MAILBOX_CMD_SIZE
- off
;
3727 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
3730 if (off
&& count
== 0)
3733 spin_lock_irq(&phba
->hbalock
);
3735 if (phba
->over_temp_state
== HBA_OVER_TEMP
) {
3736 sysfs_mbox_idle(phba
);
3737 spin_unlock_irq(&phba
->hbalock
);
3742 phba
->sysfs_mbox
.state
== SMBOX_WRITING
&&
3743 phba
->sysfs_mbox
.offset
>= 2 * sizeof(uint32_t)) {
3744 pmb
= &phba
->sysfs_mbox
.mbox
->u
.mb
;
3745 switch (pmb
->mbxCommand
) {
3749 case MBX_CONFIG_LINK
:
3750 case MBX_CONFIG_RING
:
3751 case MBX_RESET_RING
:
3752 case MBX_UNREG_LOGIN
:
3754 case MBX_DUMP_CONTEXT
:
3759 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
)) {
3760 printk(KERN_WARNING
"mbox_read:Command 0x%x "
3761 "is illegal in on-line state\n",
3763 sysfs_mbox_idle(phba
);
3764 spin_unlock_irq(&phba
->hbalock
);
3768 case MBX_WRITE_VPARMS
:
3771 case MBX_READ_CONFIG
:
3772 case MBX_READ_RCONFIG
:
3773 case MBX_READ_STATUS
:
3776 case MBX_READ_LNK_STAT
:
3777 case MBX_DUMP_MEMORY
:
3779 case MBX_UPDATE_CFG
:
3780 case MBX_KILL_BOARD
:
3782 case MBX_LOAD_EXP_ROM
:
3784 case MBX_DEL_LD_ENTRY
:
3785 case MBX_SET_VARIABLE
:
3787 case MBX_PORT_CAPABILITIES
:
3788 case MBX_PORT_IOV_CONTROL
:
3790 case MBX_SECURITY_MGMT
:
3792 if (phba
->pci_dev_grp
== LPFC_PCI_DEV_OC
)
3795 case MBX_READ_SPARM64
:
3799 case MBX_REG_LOGIN64
:
3800 case MBX_CONFIG_PORT
:
3801 case MBX_RUN_BIU_DIAG
:
3802 printk(KERN_WARNING
"mbox_read: Illegal Command 0x%x\n",
3804 sysfs_mbox_idle(phba
);
3805 spin_unlock_irq(&phba
->hbalock
);
3808 printk(KERN_WARNING
"mbox_read: Unknown Command 0x%x\n",
3810 sysfs_mbox_idle(phba
);
3811 spin_unlock_irq(&phba
->hbalock
);
3815 /* If HBA encountered an error attention, allow only DUMP
3816 * or RESTART mailbox commands until the HBA is restarted.
3818 if (phba
->pport
->stopped
&&
3819 pmb
->mbxCommand
!= MBX_DUMP_MEMORY
&&
3820 pmb
->mbxCommand
!= MBX_RESTART
&&
3821 pmb
->mbxCommand
!= MBX_WRITE_VPARMS
&&
3822 pmb
->mbxCommand
!= MBX_WRITE_WWN
)
3823 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
3824 "1259 mbox: Issued mailbox cmd "
3825 "0x%x while in stopped state.\n",
3828 phba
->sysfs_mbox
.mbox
->vport
= vport
;
3830 /* Don't allow mailbox commands to be sent when blocked
3831 * or when in the middle of discovery
3833 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
) {
3834 sysfs_mbox_idle(phba
);
3835 spin_unlock_irq(&phba
->hbalock
);
3839 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
3840 (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
))) {
3842 spin_unlock_irq(&phba
->hbalock
);
3843 rc
= lpfc_sli_issue_mbox (phba
,
3844 phba
->sysfs_mbox
.mbox
,
3846 spin_lock_irq(&phba
->hbalock
);
3849 spin_unlock_irq(&phba
->hbalock
);
3850 rc
= lpfc_sli_issue_mbox_wait (phba
,
3851 phba
->sysfs_mbox
.mbox
,
3852 lpfc_mbox_tmo_val(phba
, pmb
->mbxCommand
) * HZ
);
3853 spin_lock_irq(&phba
->hbalock
);
3856 if (rc
!= MBX_SUCCESS
) {
3857 if (rc
== MBX_TIMEOUT
) {
3858 phba
->sysfs_mbox
.mbox
= NULL
;
3860 sysfs_mbox_idle(phba
);
3861 spin_unlock_irq(&phba
->hbalock
);
3862 return (rc
== MBX_TIMEOUT
) ? -ETIME
: -ENODEV
;
3864 phba
->sysfs_mbox
.state
= SMBOX_READING
;
3866 else if (phba
->sysfs_mbox
.offset
!= off
||
3867 phba
->sysfs_mbox
.state
!= SMBOX_READING
) {
3868 printk(KERN_WARNING
"mbox_read: Bad State\n");
3869 sysfs_mbox_idle(phba
);
3870 spin_unlock_irq(&phba
->hbalock
);
3874 memcpy(buf
, (uint8_t *) &pmb
+ off
, count
);
3876 phba
->sysfs_mbox
.offset
= off
+ count
;
3878 if (phba
->sysfs_mbox
.offset
== MAILBOX_CMD_SIZE
)
3879 sysfs_mbox_idle(phba
);
3881 spin_unlock_irq(&phba
->hbalock
);
3886 static struct bin_attribute sysfs_mbox_attr
= {
3889 .mode
= S_IRUSR
| S_IWUSR
,
3891 .size
= MAILBOX_CMD_SIZE
,
3892 .read
= sysfs_mbox_read
,
3893 .write
= sysfs_mbox_write
,
3897 * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries
3898 * @vport: address of lpfc vport structure.
3902 * error return code from sysfs_create_bin_file()
3905 lpfc_alloc_sysfs_attr(struct lpfc_vport
*vport
)
3907 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3910 error
= sysfs_create_bin_file(&shost
->shost_dev
.kobj
,
3911 &sysfs_drvr_stat_data_attr
);
3913 /* Virtual ports do not need ctrl_reg and mbox */
3914 if (error
|| vport
->port_type
== LPFC_NPIV_PORT
)
3917 error
= sysfs_create_bin_file(&shost
->shost_dev
.kobj
,
3918 &sysfs_ctlreg_attr
);
3920 goto out_remove_stat_attr
;
3922 error
= sysfs_create_bin_file(&shost
->shost_dev
.kobj
,
3925 goto out_remove_ctlreg_attr
;
3928 out_remove_ctlreg_attr
:
3929 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
, &sysfs_ctlreg_attr
);
3930 out_remove_stat_attr
:
3931 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
,
3932 &sysfs_drvr_stat_data_attr
);
3938 * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries
3939 * @vport: address of lpfc vport structure.
3942 lpfc_free_sysfs_attr(struct lpfc_vport
*vport
)
3944 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3945 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
,
3946 &sysfs_drvr_stat_data_attr
);
3947 /* Virtual ports do not need ctrl_reg and mbox */
3948 if (vport
->port_type
== LPFC_NPIV_PORT
)
3950 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
, &sysfs_mbox_attr
);
3951 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
, &sysfs_ctlreg_attr
);
3956 * Dynamic FC Host Attributes Support
3960 * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id
3961 * @shost: kernel scsi host pointer.
3964 lpfc_get_host_port_id(struct Scsi_Host
*shost
)
3966 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3968 /* note: fc_myDID already in cpu endianness */
3969 fc_host_port_id(shost
) = vport
->fc_myDID
;
3973 * lpfc_get_host_port_type - Set the value of the scsi host port type
3974 * @shost: kernel scsi host pointer.
3977 lpfc_get_host_port_type(struct Scsi_Host
*shost
)
3979 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3980 struct lpfc_hba
*phba
= vport
->phba
;
3982 spin_lock_irq(shost
->host_lock
);
3984 if (vport
->port_type
== LPFC_NPIV_PORT
) {
3985 fc_host_port_type(shost
) = FC_PORTTYPE_NPIV
;
3986 } else if (lpfc_is_link_up(phba
)) {
3987 if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
3988 if (vport
->fc_flag
& FC_PUBLIC_LOOP
)
3989 fc_host_port_type(shost
) = FC_PORTTYPE_NLPORT
;
3991 fc_host_port_type(shost
) = FC_PORTTYPE_LPORT
;
3993 if (vport
->fc_flag
& FC_FABRIC
)
3994 fc_host_port_type(shost
) = FC_PORTTYPE_NPORT
;
3996 fc_host_port_type(shost
) = FC_PORTTYPE_PTP
;
3999 fc_host_port_type(shost
) = FC_PORTTYPE_UNKNOWN
;
4001 spin_unlock_irq(shost
->host_lock
);
4005 * lpfc_get_host_port_state - Set the value of the scsi host port state
4006 * @shost: kernel scsi host pointer.
4009 lpfc_get_host_port_state(struct Scsi_Host
*shost
)
4011 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4012 struct lpfc_hba
*phba
= vport
->phba
;
4014 spin_lock_irq(shost
->host_lock
);
4016 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
4017 fc_host_port_state(shost
) = FC_PORTSTATE_OFFLINE
;
4019 switch (phba
->link_state
) {
4020 case LPFC_LINK_UNKNOWN
:
4021 case LPFC_LINK_DOWN
:
4022 fc_host_port_state(shost
) = FC_PORTSTATE_LINKDOWN
;
4026 case LPFC_HBA_READY
:
4027 /* Links up, beyond this port_type reports state */
4028 fc_host_port_state(shost
) = FC_PORTSTATE_ONLINE
;
4030 case LPFC_HBA_ERROR
:
4031 fc_host_port_state(shost
) = FC_PORTSTATE_ERROR
;
4034 fc_host_port_state(shost
) = FC_PORTSTATE_UNKNOWN
;
4039 spin_unlock_irq(shost
->host_lock
);
4043 * lpfc_get_host_speed - Set the value of the scsi host speed
4044 * @shost: kernel scsi host pointer.
4047 lpfc_get_host_speed(struct Scsi_Host
*shost
)
4049 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4050 struct lpfc_hba
*phba
= vport
->phba
;
4052 spin_lock_irq(shost
->host_lock
);
4054 if (lpfc_is_link_up(phba
)) {
4055 switch(phba
->fc_linkspeed
) {
4057 fc_host_speed(shost
) = FC_PORTSPEED_1GBIT
;
4060 fc_host_speed(shost
) = FC_PORTSPEED_2GBIT
;
4063 fc_host_speed(shost
) = FC_PORTSPEED_4GBIT
;
4066 fc_host_speed(shost
) = FC_PORTSPEED_8GBIT
;
4069 fc_host_speed(shost
) = FC_PORTSPEED_10GBIT
;
4072 fc_host_speed(shost
) = FC_PORTSPEED_UNKNOWN
;
4076 fc_host_speed(shost
) = FC_PORTSPEED_UNKNOWN
;
4078 spin_unlock_irq(shost
->host_lock
);
4082 * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name
4083 * @shost: kernel scsi host pointer.
4086 lpfc_get_host_fabric_name (struct Scsi_Host
*shost
)
4088 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4089 struct lpfc_hba
*phba
= vport
->phba
;
4092 spin_lock_irq(shost
->host_lock
);
4094 if ((vport
->fc_flag
& FC_FABRIC
) ||
4095 ((phba
->fc_topology
== TOPOLOGY_LOOP
) &&
4096 (vport
->fc_flag
& FC_PUBLIC_LOOP
)))
4097 node_name
= wwn_to_u64(phba
->fc_fabparam
.nodeName
.u
.wwn
);
4099 /* fabric is local port if there is no F/FL_Port */
4102 spin_unlock_irq(shost
->host_lock
);
4104 fc_host_fabric_name(shost
) = node_name
;
4108 * lpfc_get_stats - Return statistical information about the adapter
4109 * @shost: kernel scsi host pointer.
4112 * NULL on error for link down, no mbox pool, sli2 active,
4113 * management not allowed, memory allocation error, or mbox error.
4117 * address of the adapter host statistics
4119 static struct fc_host_statistics
*
4120 lpfc_get_stats(struct Scsi_Host
*shost
)
4122 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4123 struct lpfc_hba
*phba
= vport
->phba
;
4124 struct lpfc_sli
*psli
= &phba
->sli
;
4125 struct fc_host_statistics
*hs
= &phba
->link_stats
;
4126 struct lpfc_lnk_stat
* lso
= &psli
->lnk_stat_offsets
;
4127 LPFC_MBOXQ_t
*pmboxq
;
4129 unsigned long seconds
;
4133 * prevent udev from issuing mailbox commands until the port is
4136 if (phba
->link_state
< LPFC_LINK_DOWN
||
4137 !phba
->mbox_mem_pool
||
4138 (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
) == 0)
4141 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
4144 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4147 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
4149 pmb
= &pmboxq
->u
.mb
;
4150 pmb
->mbxCommand
= MBX_READ_STATUS
;
4151 pmb
->mbxOwner
= OWN_HOST
;
4152 pmboxq
->context1
= NULL
;
4153 pmboxq
->vport
= vport
;
4155 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
4156 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
4158 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
4160 if (rc
!= MBX_SUCCESS
) {
4161 if (rc
!= MBX_TIMEOUT
)
4162 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
4166 memset(hs
, 0, sizeof (struct fc_host_statistics
));
4168 hs
->tx_frames
= pmb
->un
.varRdStatus
.xmitFrameCnt
;
4169 hs
->tx_words
= (pmb
->un
.varRdStatus
.xmitByteCnt
* 256);
4170 hs
->rx_frames
= pmb
->un
.varRdStatus
.rcvFrameCnt
;
4171 hs
->rx_words
= (pmb
->un
.varRdStatus
.rcvByteCnt
* 256);
4173 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
4174 pmb
->mbxCommand
= MBX_READ_LNK_STAT
;
4175 pmb
->mbxOwner
= OWN_HOST
;
4176 pmboxq
->context1
= NULL
;
4177 pmboxq
->vport
= vport
;
4179 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
4180 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
4182 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
4184 if (rc
!= MBX_SUCCESS
) {
4185 if (rc
!= MBX_TIMEOUT
)
4186 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
4190 hs
->link_failure_count
= pmb
->un
.varRdLnk
.linkFailureCnt
;
4191 hs
->loss_of_sync_count
= pmb
->un
.varRdLnk
.lossSyncCnt
;
4192 hs
->loss_of_signal_count
= pmb
->un
.varRdLnk
.lossSignalCnt
;
4193 hs
->prim_seq_protocol_err_count
= pmb
->un
.varRdLnk
.primSeqErrCnt
;
4194 hs
->invalid_tx_word_count
= pmb
->un
.varRdLnk
.invalidXmitWord
;
4195 hs
->invalid_crc_count
= pmb
->un
.varRdLnk
.crcCnt
;
4196 hs
->error_frames
= pmb
->un
.varRdLnk
.crcCnt
;
4198 hs
->link_failure_count
-= lso
->link_failure_count
;
4199 hs
->loss_of_sync_count
-= lso
->loss_of_sync_count
;
4200 hs
->loss_of_signal_count
-= lso
->loss_of_signal_count
;
4201 hs
->prim_seq_protocol_err_count
-= lso
->prim_seq_protocol_err_count
;
4202 hs
->invalid_tx_word_count
-= lso
->invalid_tx_word_count
;
4203 hs
->invalid_crc_count
-= lso
->invalid_crc_count
;
4204 hs
->error_frames
-= lso
->error_frames
;
4206 if (phba
->hba_flag
& HBA_FCOE_SUPPORT
) {
4208 hs
->nos_count
= (phba
->link_events
>> 1);
4209 hs
->nos_count
-= lso
->link_events
;
4210 } else if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
4211 hs
->lip_count
= (phba
->fc_eventTag
>> 1);
4212 hs
->lip_count
-= lso
->link_events
;
4216 hs
->nos_count
= (phba
->fc_eventTag
>> 1);
4217 hs
->nos_count
-= lso
->link_events
;
4220 hs
->dumped_frames
= -1;
4222 seconds
= get_seconds();
4223 if (seconds
< psli
->stats_start
)
4224 hs
->seconds_since_last_reset
= seconds
+
4225 ((unsigned long)-1 - psli
->stats_start
);
4227 hs
->seconds_since_last_reset
= seconds
- psli
->stats_start
;
4229 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
4235 * lpfc_reset_stats - Copy the adapter link stats information
4236 * @shost: kernel scsi host pointer.
4239 lpfc_reset_stats(struct Scsi_Host
*shost
)
4241 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4242 struct lpfc_hba
*phba
= vport
->phba
;
4243 struct lpfc_sli
*psli
= &phba
->sli
;
4244 struct lpfc_lnk_stat
*lso
= &psli
->lnk_stat_offsets
;
4245 LPFC_MBOXQ_t
*pmboxq
;
4249 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
4252 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4255 memset(pmboxq
, 0, sizeof(LPFC_MBOXQ_t
));
4257 pmb
= &pmboxq
->u
.mb
;
4258 pmb
->mbxCommand
= MBX_READ_STATUS
;
4259 pmb
->mbxOwner
= OWN_HOST
;
4260 pmb
->un
.varWords
[0] = 0x1; /* reset request */
4261 pmboxq
->context1
= NULL
;
4262 pmboxq
->vport
= vport
;
4264 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
4265 (!(psli
->sli_flag
& LPFC_SLI_ACTIVE
)))
4266 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
4268 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
4270 if (rc
!= MBX_SUCCESS
) {
4271 if (rc
!= MBX_TIMEOUT
)
4272 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
4276 memset(pmboxq
, 0, sizeof(LPFC_MBOXQ_t
));
4277 pmb
->mbxCommand
= MBX_READ_LNK_STAT
;
4278 pmb
->mbxOwner
= OWN_HOST
;
4279 pmboxq
->context1
= NULL
;
4280 pmboxq
->vport
= vport
;
4282 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
4283 (!(psli
->sli_flag
& LPFC_SLI_ACTIVE
)))
4284 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
4286 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
4288 if (rc
!= MBX_SUCCESS
) {
4289 if (rc
!= MBX_TIMEOUT
)
4290 mempool_free( pmboxq
, phba
->mbox_mem_pool
);
4294 lso
->link_failure_count
= pmb
->un
.varRdLnk
.linkFailureCnt
;
4295 lso
->loss_of_sync_count
= pmb
->un
.varRdLnk
.lossSyncCnt
;
4296 lso
->loss_of_signal_count
= pmb
->un
.varRdLnk
.lossSignalCnt
;
4297 lso
->prim_seq_protocol_err_count
= pmb
->un
.varRdLnk
.primSeqErrCnt
;
4298 lso
->invalid_tx_word_count
= pmb
->un
.varRdLnk
.invalidXmitWord
;
4299 lso
->invalid_crc_count
= pmb
->un
.varRdLnk
.crcCnt
;
4300 lso
->error_frames
= pmb
->un
.varRdLnk
.crcCnt
;
4301 if (phba
->hba_flag
& HBA_FCOE_SUPPORT
)
4302 lso
->link_events
= (phba
->link_events
>> 1);
4304 lso
->link_events
= (phba
->fc_eventTag
>> 1);
4306 psli
->stats_start
= get_seconds();
4308 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
4314 * The LPFC driver treats linkdown handling as target loss events so there
4315 * are no sysfs handlers for link_down_tmo.
4319 * lpfc_get_node_by_target - Return the nodelist for a target
4320 * @starget: kernel scsi target pointer.
4323 * address of the node list if found
4324 * NULL target not found
4326 static struct lpfc_nodelist
*
4327 lpfc_get_node_by_target(struct scsi_target
*starget
)
4329 struct Scsi_Host
*shost
= dev_to_shost(starget
->dev
.parent
);
4330 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4331 struct lpfc_nodelist
*ndlp
;
4333 spin_lock_irq(shost
->host_lock
);
4334 /* Search for this, mapped, target ID */
4335 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
4336 if (NLP_CHK_NODE_ACT(ndlp
) &&
4337 ndlp
->nlp_state
== NLP_STE_MAPPED_NODE
&&
4338 starget
->id
== ndlp
->nlp_sid
) {
4339 spin_unlock_irq(shost
->host_lock
);
4343 spin_unlock_irq(shost
->host_lock
);
4348 * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1
4349 * @starget: kernel scsi target pointer.
4352 lpfc_get_starget_port_id(struct scsi_target
*starget
)
4354 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
4356 fc_starget_port_id(starget
) = ndlp
? ndlp
->nlp_DID
: -1;
4360 * lpfc_get_starget_node_name - Set the target node name
4361 * @starget: kernel scsi target pointer.
4363 * Description: Set the target node name to the ndlp node name wwn or zero.
4366 lpfc_get_starget_node_name(struct scsi_target
*starget
)
4368 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
4370 fc_starget_node_name(starget
) =
4371 ndlp
? wwn_to_u64(ndlp
->nlp_nodename
.u
.wwn
) : 0;
4375 * lpfc_get_starget_port_name - Set the target port name
4376 * @starget: kernel scsi target pointer.
4378 * Description: set the target port name to the ndlp port name wwn or zero.
4381 lpfc_get_starget_port_name(struct scsi_target
*starget
)
4383 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
4385 fc_starget_port_name(starget
) =
4386 ndlp
? wwn_to_u64(ndlp
->nlp_portname
.u
.wwn
) : 0;
4390 * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo
4391 * @rport: fc rport address.
4392 * @timeout: new value for dev loss tmo.
4395 * If timeout is non zero set the dev_loss_tmo to timeout, else set
4396 * dev_loss_tmo to one.
4399 lpfc_set_rport_loss_tmo(struct fc_rport
*rport
, uint32_t timeout
)
4402 rport
->dev_loss_tmo
= timeout
;
4404 rport
->dev_loss_tmo
= 1;
4408 * lpfc_rport_show_function - Return rport target information
4411 * Macro that uses field to generate a function with the name lpfc_show_rport_
4413 * lpfc_show_rport_##field: returns the bytes formatted in buf
4414 * @cdev: class converted to an fc_rport.
4415 * @buf: on return contains the target_field or zero.
4417 * Returns: size of formatted string.
4419 #define lpfc_rport_show_function(field, format_string, sz, cast) \
4421 lpfc_show_rport_##field (struct device *dev, \
4422 struct device_attribute *attr, \
4425 struct fc_rport *rport = transport_class_to_rport(dev); \
4426 struct lpfc_rport_data *rdata = rport->hostdata; \
4427 return snprintf(buf, sz, format_string, \
4428 (rdata->target) ? cast rdata->target->field : 0); \
4431 #define lpfc_rport_rd_attr(field, format_string, sz) \
4432 lpfc_rport_show_function(field, format_string, sz, ) \
4433 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
4436 * lpfc_set_vport_symbolic_name - Set the vport's symbolic name
4437 * @fc_vport: The fc_vport who's symbolic name has been changed.
4440 * This function is called by the transport after the @fc_vport's symbolic name
4441 * has been changed. This function re-registers the symbolic name with the
4442 * switch to propogate the change into the fabric if the vport is active.
4445 lpfc_set_vport_symbolic_name(struct fc_vport
*fc_vport
)
4447 struct lpfc_vport
*vport
= *(struct lpfc_vport
**)fc_vport
->dd_data
;
4449 if (vport
->port_state
== LPFC_VPORT_READY
)
4450 lpfc_ns_cmd(vport
, SLI_CTNS_RSPN_ID
, 0, 0);
4454 * lpfc_hba_log_verbose_init - Set hba's log verbose level
4455 * @phba: Pointer to lpfc_hba struct.
4457 * This function is called by the lpfc_get_cfgparam() routine to set the
4458 * module lpfc_log_verbose into the @phba cfg_log_verbose for use with
4459 * log messsage according to the module's lpfc_log_verbose parameter setting
4460 * before hba port or vport created.
4463 lpfc_hba_log_verbose_init(struct lpfc_hba
*phba
, uint32_t verbose
)
4465 phba
->cfg_log_verbose
= verbose
;
4468 struct fc_function_template lpfc_transport_functions
= {
4469 /* fixed attributes the driver supports */
4470 .show_host_node_name
= 1,
4471 .show_host_port_name
= 1,
4472 .show_host_supported_classes
= 1,
4473 .show_host_supported_fc4s
= 1,
4474 .show_host_supported_speeds
= 1,
4475 .show_host_maxframe_size
= 1,
4476 .show_host_symbolic_name
= 1,
4478 /* dynamic attributes the driver supports */
4479 .get_host_port_id
= lpfc_get_host_port_id
,
4480 .show_host_port_id
= 1,
4482 .get_host_port_type
= lpfc_get_host_port_type
,
4483 .show_host_port_type
= 1,
4485 .get_host_port_state
= lpfc_get_host_port_state
,
4486 .show_host_port_state
= 1,
4488 /* active_fc4s is shown but doesn't change (thus no get function) */
4489 .show_host_active_fc4s
= 1,
4491 .get_host_speed
= lpfc_get_host_speed
,
4492 .show_host_speed
= 1,
4494 .get_host_fabric_name
= lpfc_get_host_fabric_name
,
4495 .show_host_fabric_name
= 1,
4498 * The LPFC driver treats linkdown handling as target loss events
4499 * so there are no sysfs handlers for link_down_tmo.
4502 .get_fc_host_stats
= lpfc_get_stats
,
4503 .reset_fc_host_stats
= lpfc_reset_stats
,
4505 .dd_fcrport_size
= sizeof(struct lpfc_rport_data
),
4506 .show_rport_maxframe_size
= 1,
4507 .show_rport_supported_classes
= 1,
4509 .set_rport_dev_loss_tmo
= lpfc_set_rport_loss_tmo
,
4510 .show_rport_dev_loss_tmo
= 1,
4512 .get_starget_port_id
= lpfc_get_starget_port_id
,
4513 .show_starget_port_id
= 1,
4515 .get_starget_node_name
= lpfc_get_starget_node_name
,
4516 .show_starget_node_name
= 1,
4518 .get_starget_port_name
= lpfc_get_starget_port_name
,
4519 .show_starget_port_name
= 1,
4521 .issue_fc_host_lip
= lpfc_issue_lip
,
4522 .dev_loss_tmo_callbk
= lpfc_dev_loss_tmo_callbk
,
4523 .terminate_rport_io
= lpfc_terminate_rport_io
,
4525 .dd_fcvport_size
= sizeof(struct lpfc_vport
*),
4527 .vport_disable
= lpfc_vport_disable
,
4529 .set_vport_symbolic_name
= lpfc_set_vport_symbolic_name
,
4531 .bsg_request
= lpfc_bsg_request
,
4532 .bsg_timeout
= lpfc_bsg_timeout
,
4535 struct fc_function_template lpfc_vport_transport_functions
= {
4536 /* fixed attributes the driver supports */
4537 .show_host_node_name
= 1,
4538 .show_host_port_name
= 1,
4539 .show_host_supported_classes
= 1,
4540 .show_host_supported_fc4s
= 1,
4541 .show_host_supported_speeds
= 1,
4542 .show_host_maxframe_size
= 1,
4543 .show_host_symbolic_name
= 1,
4545 /* dynamic attributes the driver supports */
4546 .get_host_port_id
= lpfc_get_host_port_id
,
4547 .show_host_port_id
= 1,
4549 .get_host_port_type
= lpfc_get_host_port_type
,
4550 .show_host_port_type
= 1,
4552 .get_host_port_state
= lpfc_get_host_port_state
,
4553 .show_host_port_state
= 1,
4555 /* active_fc4s is shown but doesn't change (thus no get function) */
4556 .show_host_active_fc4s
= 1,
4558 .get_host_speed
= lpfc_get_host_speed
,
4559 .show_host_speed
= 1,
4561 .get_host_fabric_name
= lpfc_get_host_fabric_name
,
4562 .show_host_fabric_name
= 1,
4565 * The LPFC driver treats linkdown handling as target loss events
4566 * so there are no sysfs handlers for link_down_tmo.
4569 .get_fc_host_stats
= lpfc_get_stats
,
4570 .reset_fc_host_stats
= lpfc_reset_stats
,
4572 .dd_fcrport_size
= sizeof(struct lpfc_rport_data
),
4573 .show_rport_maxframe_size
= 1,
4574 .show_rport_supported_classes
= 1,
4576 .set_rport_dev_loss_tmo
= lpfc_set_rport_loss_tmo
,
4577 .show_rport_dev_loss_tmo
= 1,
4579 .get_starget_port_id
= lpfc_get_starget_port_id
,
4580 .show_starget_port_id
= 1,
4582 .get_starget_node_name
= lpfc_get_starget_node_name
,
4583 .show_starget_node_name
= 1,
4585 .get_starget_port_name
= lpfc_get_starget_port_name
,
4586 .show_starget_port_name
= 1,
4588 .dev_loss_tmo_callbk
= lpfc_dev_loss_tmo_callbk
,
4589 .terminate_rport_io
= lpfc_terminate_rport_io
,
4591 .vport_disable
= lpfc_vport_disable
,
4593 .set_vport_symbolic_name
= lpfc_set_vport_symbolic_name
,
4597 * lpfc_get_cfgparam - Used during probe_one to init the adapter structure
4598 * @phba: lpfc_hba pointer.
4601 lpfc_get_cfgparam(struct lpfc_hba
*phba
)
4603 lpfc_cr_delay_init(phba
, lpfc_cr_delay
);
4604 lpfc_cr_count_init(phba
, lpfc_cr_count
);
4605 lpfc_multi_ring_support_init(phba
, lpfc_multi_ring_support
);
4606 lpfc_multi_ring_rctl_init(phba
, lpfc_multi_ring_rctl
);
4607 lpfc_multi_ring_type_init(phba
, lpfc_multi_ring_type
);
4608 lpfc_ack0_init(phba
, lpfc_ack0
);
4609 lpfc_topology_init(phba
, lpfc_topology
);
4610 lpfc_link_speed_init(phba
, lpfc_link_speed
);
4611 lpfc_poll_tmo_init(phba
, lpfc_poll_tmo
);
4612 lpfc_enable_npiv_init(phba
, lpfc_enable_npiv
);
4613 lpfc_use_msi_init(phba
, lpfc_use_msi
);
4614 lpfc_fcp_imax_init(phba
, lpfc_fcp_imax
);
4615 lpfc_fcp_wq_count_init(phba
, lpfc_fcp_wq_count
);
4616 lpfc_fcp_eq_count_init(phba
, lpfc_fcp_eq_count
);
4617 lpfc_enable_hba_reset_init(phba
, lpfc_enable_hba_reset
);
4618 lpfc_enable_hba_heartbeat_init(phba
, lpfc_enable_hba_heartbeat
);
4619 lpfc_enable_bg_init(phba
, lpfc_enable_bg
);
4620 if (phba
->sli_rev
== LPFC_SLI_REV4
)
4623 phba
->cfg_poll
= lpfc_poll
;
4624 phba
->cfg_soft_wwnn
= 0L;
4625 phba
->cfg_soft_wwpn
= 0L;
4626 lpfc_sg_seg_cnt_init(phba
, lpfc_sg_seg_cnt
);
4627 lpfc_prot_sg_seg_cnt_init(phba
, lpfc_prot_sg_seg_cnt
);
4628 lpfc_hba_queue_depth_init(phba
, lpfc_hba_queue_depth
);
4629 lpfc_hba_log_verbose_init(phba
, lpfc_log_verbose
);
4630 lpfc_aer_support_init(phba
, lpfc_aer_support
);
4631 lpfc_suppress_link_up_init(phba
, lpfc_suppress_link_up
);
4632 lpfc_iocb_cnt_init(phba
, lpfc_iocb_cnt
);
4637 * lpfc_get_vport_cfgparam - Used during port create, init the vport structure
4638 * @vport: lpfc_vport pointer.
4641 lpfc_get_vport_cfgparam(struct lpfc_vport
*vport
)
4643 lpfc_log_verbose_init(vport
, lpfc_log_verbose
);
4644 lpfc_lun_queue_depth_init(vport
, lpfc_lun_queue_depth
);
4645 lpfc_tgt_queue_depth_init(vport
, lpfc_tgt_queue_depth
);
4646 lpfc_devloss_tmo_init(vport
, lpfc_devloss_tmo
);
4647 lpfc_nodev_tmo_init(vport
, lpfc_nodev_tmo
);
4648 lpfc_peer_port_login_init(vport
, lpfc_peer_port_login
);
4649 lpfc_restrict_login_init(vport
, lpfc_restrict_login
);
4650 lpfc_fcp_class_init(vport
, lpfc_fcp_class
);
4651 lpfc_use_adisc_init(vport
, lpfc_use_adisc
);
4652 lpfc_max_scsicmpl_time_init(vport
, lpfc_max_scsicmpl_time
);
4653 lpfc_fdmi_on_init(vport
, lpfc_fdmi_on
);
4654 lpfc_discovery_threads_init(vport
, lpfc_discovery_threads
);
4655 lpfc_max_luns_init(vport
, lpfc_max_luns
);
4656 lpfc_scan_down_init(vport
, lpfc_scan_down
);
4657 lpfc_enable_da_id_init(vport
, lpfc_enable_da_id
);