1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 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>
27 #include <scsi/scsi.h>
28 #include <scsi/scsi_device.h>
29 #include <scsi/scsi_host.h>
30 #include <scsi/scsi_tcq.h>
31 #include <scsi/scsi_transport_fc.h>
35 #include "lpfc_disc.h"
36 #include "lpfc_scsi.h"
38 #include "lpfc_logmsg.h"
39 #include "lpfc_version.h"
40 #include "lpfc_compat.h"
41 #include "lpfc_crtn.h"
42 #include "lpfc_vport.h"
44 #define LPFC_DEF_DEVLOSS_TMO 30
45 #define LPFC_MIN_DEVLOSS_TMO 1
46 #define LPFC_MAX_DEVLOSS_TMO 255
49 lpfc_jedec_to_ascii(int incr
, char hdw
[])
52 for (i
= 0; i
< 8; i
++) {
55 hdw
[7 - i
] = 0x30 + j
;
57 hdw
[7 - i
] = 0x61 + j
- 10;
65 lpfc_drvr_version_show(struct class_device
*cdev
, char *buf
)
67 return snprintf(buf
, PAGE_SIZE
, LPFC_MODULE_DESC
"\n");
71 management_version_show(struct class_device
*cdev
, char *buf
)
73 return snprintf(buf
, PAGE_SIZE
, DFC_API_VERSION
"\n");
77 lpfc_info_show(struct class_device
*cdev
, char *buf
)
79 struct Scsi_Host
*host
= class_to_shost(cdev
);
81 return snprintf(buf
, PAGE_SIZE
, "%s\n",lpfc_info(host
));
85 lpfc_serialnum_show(struct class_device
*cdev
, char *buf
)
87 struct Scsi_Host
*shost
= class_to_shost(cdev
);
88 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
89 struct lpfc_hba
*phba
= vport
->phba
;
91 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->SerialNumber
);
95 lpfc_modeldesc_show(struct class_device
*cdev
, char *buf
)
97 struct Scsi_Host
*shost
= class_to_shost(cdev
);
98 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
99 struct lpfc_hba
*phba
= vport
->phba
;
101 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->ModelDesc
);
105 lpfc_modelname_show(struct class_device
*cdev
, char *buf
)
107 struct Scsi_Host
*shost
= class_to_shost(cdev
);
108 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
109 struct lpfc_hba
*phba
= vport
->phba
;
111 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->ModelName
);
115 lpfc_programtype_show(struct class_device
*cdev
, char *buf
)
117 struct Scsi_Host
*shost
= class_to_shost(cdev
);
118 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
119 struct lpfc_hba
*phba
= vport
->phba
;
121 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->ProgramType
);
125 lpfc_vportnum_show(struct class_device
*cdev
, char *buf
)
127 struct Scsi_Host
*shost
= class_to_shost(cdev
);
128 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
129 struct lpfc_hba
*phba
= vport
->phba
;
131 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->Port
);
135 lpfc_fwrev_show(struct class_device
*cdev
, char *buf
)
137 struct Scsi_Host
*shost
= class_to_shost(cdev
);
138 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
139 struct lpfc_hba
*phba
= vport
->phba
;
142 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
143 return snprintf(buf
, PAGE_SIZE
, "%s, sli-%d\n", fwrev
, phba
->sli_rev
);
147 lpfc_hdw_show(struct class_device
*cdev
, char *buf
)
150 struct Scsi_Host
*shost
= class_to_shost(cdev
);
151 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
152 struct lpfc_hba
*phba
= vport
->phba
;
153 lpfc_vpd_t
*vp
= &phba
->vpd
;
155 lpfc_jedec_to_ascii(vp
->rev
.biuRev
, hdw
);
156 return snprintf(buf
, PAGE_SIZE
, "%s\n", hdw
);
159 lpfc_option_rom_version_show(struct class_device
*cdev
, char *buf
)
161 struct Scsi_Host
*shost
= class_to_shost(cdev
);
162 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
163 struct lpfc_hba
*phba
= vport
->phba
;
165 return snprintf(buf
, PAGE_SIZE
, "%s\n", phba
->OptionROMVersion
);
168 lpfc_state_show(struct class_device
*cdev
, char *buf
)
170 struct Scsi_Host
*shost
= class_to_shost(cdev
);
171 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
172 struct lpfc_hba
*phba
= vport
->phba
;
175 switch (phba
->link_state
) {
176 case LPFC_LINK_UNKNOWN
:
177 case LPFC_WARM_START
:
178 case LPFC_INIT_START
:
179 case LPFC_INIT_MBX_CMDS
:
182 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
, "Link Down\n");
187 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
, "Link Up - \n");
189 switch (vport
->port_state
) {
190 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
193 case LPFC_LOCAL_CFG_LINK
:
194 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
195 "Configuring Link\n");
199 case LPFC_FABRIC_CFG_LINK
:
202 case LPFC_BUILD_DISC_LIST
:
204 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
207 case LPFC_VPORT_READY
:
208 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, "Ready\n");
211 case LPFC_VPORT_FAILED
:
212 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, "Failed\n");
215 case LPFC_VPORT_UNKNOWN
:
216 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
221 if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
222 if (vport
->fc_flag
& FC_PUBLIC_LOOP
)
223 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
226 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
229 if (vport
->fc_flag
& FC_FABRIC
)
230 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
233 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
242 lpfc_num_discovered_ports_show(struct class_device
*cdev
, char *buf
)
244 struct Scsi_Host
*shost
= class_to_shost(cdev
);
245 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
247 return snprintf(buf
, PAGE_SIZE
, "%d\n",
248 vport
->fc_map_cnt
+ vport
->fc_unmap_cnt
);
253 lpfc_issue_lip(struct Scsi_Host
*shost
)
255 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
256 struct lpfc_hba
*phba
= vport
->phba
;
257 LPFC_MBOXQ_t
*pmboxq
;
258 int mbxstatus
= MBXERR_ERROR
;
260 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
261 (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
) ||
262 (vport
->port_state
!= LPFC_VPORT_READY
))
265 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,GFP_KERNEL
);
270 memset((void *)pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
271 pmboxq
->mb
.mbxCommand
= MBX_DOWN_LINK
;
272 pmboxq
->mb
.mbxOwner
= OWN_HOST
;
274 mbxstatus
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, LPFC_MBOX_TMO
* 2);
276 if ((mbxstatus
== MBX_SUCCESS
) && (pmboxq
->mb
.mbxStatus
== 0)) {
277 memset((void *)pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
278 lpfc_init_link(phba
, pmboxq
, phba
->cfg_topology
,
279 phba
->cfg_link_speed
);
280 mbxstatus
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
,
284 lpfc_set_loopback_flag(phba
);
285 if (mbxstatus
!= MBX_TIMEOUT
)
286 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
288 if (mbxstatus
== MBXERR_ERROR
)
295 lpfc_do_offline(struct lpfc_hba
*phba
, uint32_t type
)
297 struct completion online_compl
;
298 struct lpfc_sli_ring
*pring
;
299 struct lpfc_sli
*psli
;
304 init_completion(&online_compl
);
305 lpfc_workq_post_event(phba
, &status
, &online_compl
,
306 LPFC_EVT_OFFLINE_PREP
);
307 wait_for_completion(&online_compl
);
314 for (i
= 0; i
< psli
->num_rings
; i
++) {
315 pring
= &psli
->ring
[i
];
316 /* The linkdown event takes 30 seconds to timeout. */
317 while (pring
->txcmplq_cnt
) {
320 lpfc_printf_log(phba
,
321 KERN_WARNING
, LOG_INIT
,
322 "%d:0466 Outstanding IO when "
323 "bringing Adapter offline\n",
330 init_completion(&online_compl
);
331 lpfc_workq_post_event(phba
, &status
, &online_compl
, type
);
332 wait_for_completion(&online_compl
);
341 lpfc_selective_reset(struct lpfc_hba
*phba
)
343 struct completion online_compl
;
346 status
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
351 init_completion(&online_compl
);
352 lpfc_workq_post_event(phba
, &status
, &online_compl
,
354 wait_for_completion(&online_compl
);
363 lpfc_issue_reset(struct class_device
*cdev
, const char *buf
, size_t count
)
365 struct Scsi_Host
*shost
= class_to_shost(cdev
);
366 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
367 struct lpfc_hba
*phba
= vport
->phba
;
369 int status
= -EINVAL
;
371 if (strncmp(buf
, "selective", sizeof("selective") - 1) == 0)
372 status
= lpfc_selective_reset(phba
);
381 lpfc_nport_evt_cnt_show(struct class_device
*cdev
, char *buf
)
383 struct Scsi_Host
*shost
= class_to_shost(cdev
);
384 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
385 struct lpfc_hba
*phba
= vport
->phba
;
387 return snprintf(buf
, PAGE_SIZE
, "%d\n", phba
->nport_event_cnt
);
391 lpfc_board_mode_show(struct class_device
*cdev
, char *buf
)
393 struct Scsi_Host
*shost
= class_to_shost(cdev
);
394 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
395 struct lpfc_hba
*phba
= vport
->phba
;
398 if (phba
->link_state
== LPFC_HBA_ERROR
)
400 else if (phba
->link_state
== LPFC_WARM_START
)
401 state
= "warm start";
402 else if (phba
->link_state
== LPFC_INIT_START
)
407 return snprintf(buf
, PAGE_SIZE
, "%s\n", state
);
411 lpfc_board_mode_store(struct class_device
*cdev
, const char *buf
, size_t count
)
413 struct Scsi_Host
*shost
= class_to_shost(cdev
);
414 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
415 struct lpfc_hba
*phba
= vport
->phba
;
416 struct completion online_compl
;
419 init_completion(&online_compl
);
421 if(strncmp(buf
, "online", sizeof("online") - 1) == 0) {
422 lpfc_workq_post_event(phba
, &status
, &online_compl
,
424 wait_for_completion(&online_compl
);
425 } else if (strncmp(buf
, "offline", sizeof("offline") - 1) == 0)
426 status
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
427 else if (strncmp(buf
, "warm", sizeof("warm") - 1) == 0)
428 status
= lpfc_do_offline(phba
, LPFC_EVT_WARM_START
);
429 else if (strncmp(buf
, "error", sizeof("error") - 1) == 0)
430 status
= lpfc_do_offline(phba
, LPFC_EVT_KILL
);
441 lpfc_get_hba_info(struct lpfc_hba
*phba
,
442 uint32_t *mxri
, uint32_t *axri
,
443 uint32_t *mrpi
, uint32_t *arpi
,
444 uint32_t *mvpi
, uint32_t *avpi
)
446 struct lpfc_sli
*psli
= &phba
->sli
;
447 LPFC_MBOXQ_t
*pmboxq
;
452 * prevent udev from issuing mailbox commands until the port is
455 if (phba
->link_state
< LPFC_LINK_DOWN
||
456 !phba
->mbox_mem_pool
||
457 (phba
->sli
.sli_flag
& LPFC_SLI2_ACTIVE
) == 0)
460 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
463 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
466 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
469 pmb
->mbxCommand
= MBX_READ_CONFIG
;
470 pmb
->mbxOwner
= OWN_HOST
;
471 pmboxq
->context1
= NULL
;
473 if ((phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) ||
474 (!(psli
->sli_flag
& LPFC_SLI2_ACTIVE
)))
475 rc
= MBX_NOT_FINISHED
;
477 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
479 if (rc
!= MBX_SUCCESS
) {
480 if (rc
!= MBX_TIMEOUT
)
481 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
486 *mrpi
= pmb
->un
.varRdConfig
.max_rpi
;
488 *arpi
= pmb
->un
.varRdConfig
.avail_rpi
;
490 *mxri
= pmb
->un
.varRdConfig
.max_xri
;
492 *axri
= pmb
->un
.varRdConfig
.avail_xri
;
494 *mvpi
= pmb
->un
.varRdConfig
.max_vpi
;
496 *avpi
= pmb
->un
.varRdConfig
.avail_vpi
;
498 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
503 lpfc_max_rpi_show(struct class_device
*cdev
, char *buf
)
505 struct Scsi_Host
*shost
= class_to_shost(cdev
);
506 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
507 struct lpfc_hba
*phba
= vport
->phba
;
510 if (lpfc_get_hba_info(phba
, NULL
, NULL
, &cnt
, NULL
, NULL
, NULL
))
511 return snprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
512 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
516 lpfc_used_rpi_show(struct class_device
*cdev
, char *buf
)
518 struct Scsi_Host
*shost
= class_to_shost(cdev
);
519 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
520 struct lpfc_hba
*phba
= vport
->phba
;
523 if (lpfc_get_hba_info(phba
, NULL
, NULL
, &cnt
, &acnt
, NULL
, NULL
))
524 return snprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
525 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
529 lpfc_max_xri_show(struct class_device
*cdev
, char *buf
)
531 struct Scsi_Host
*shost
= class_to_shost(cdev
);
532 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
533 struct lpfc_hba
*phba
= vport
->phba
;
536 if (lpfc_get_hba_info(phba
, &cnt
, NULL
, NULL
, NULL
, NULL
, NULL
))
537 return snprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
538 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
542 lpfc_used_xri_show(struct class_device
*cdev
, char *buf
)
544 struct Scsi_Host
*shost
= class_to_shost(cdev
);
545 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
546 struct lpfc_hba
*phba
= vport
->phba
;
549 if (lpfc_get_hba_info(phba
, &cnt
, &acnt
, NULL
, NULL
, NULL
, NULL
))
550 return snprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
551 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
555 lpfc_max_vpi_show(struct class_device
*cdev
, char *buf
)
557 struct Scsi_Host
*shost
= class_to_shost(cdev
);
558 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
559 struct lpfc_hba
*phba
= vport
->phba
;
562 if (lpfc_get_hba_info(phba
, NULL
, NULL
, NULL
, NULL
, &cnt
, NULL
))
563 return snprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
564 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
568 lpfc_used_vpi_show(struct class_device
*cdev
, char *buf
)
570 struct Scsi_Host
*shost
= class_to_shost(cdev
);
571 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
572 struct lpfc_hba
*phba
= vport
->phba
;
575 if (lpfc_get_hba_info(phba
, NULL
, NULL
, NULL
, NULL
, &cnt
, &acnt
))
576 return snprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
577 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
581 lpfc_npiv_info_show(struct class_device
*cdev
, char *buf
)
583 struct Scsi_Host
*shost
= class_to_shost(cdev
);
584 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
585 struct lpfc_hba
*phba
= vport
->phba
;
587 if (!(phba
->max_vpi
))
588 return snprintf(buf
, PAGE_SIZE
, "NPIV Not Supported\n");
589 if (vport
->port_type
== LPFC_PHYSICAL_PORT
)
590 return snprintf(buf
, PAGE_SIZE
, "NPIV Physical\n");
591 return snprintf(buf
, PAGE_SIZE
, "NPIV Virtual (VPI %d)\n", vport
->vpi
);
595 lpfc_poll_show(struct class_device
*cdev
, char *buf
)
597 struct Scsi_Host
*shost
= class_to_shost(cdev
);
598 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
599 struct lpfc_hba
*phba
= vport
->phba
;
601 return snprintf(buf
, PAGE_SIZE
, "%#x\n", phba
->cfg_poll
);
605 lpfc_poll_store(struct class_device
*cdev
, const char *buf
,
608 struct Scsi_Host
*shost
= class_to_shost(cdev
);
609 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
610 struct lpfc_hba
*phba
= vport
->phba
;
615 if (!isdigit(buf
[0]))
618 if (sscanf(buf
, "%i", &val
) != 1)
621 if ((val
& 0x3) != val
)
624 spin_lock_irq(&phba
->hbalock
);
626 old_val
= phba
->cfg_poll
;
628 if (val
& ENABLE_FCP_RING_POLLING
) {
629 if ((val
& DISABLE_FCP_RING_INT
) &&
630 !(old_val
& DISABLE_FCP_RING_INT
)) {
631 creg_val
= readl(phba
->HCregaddr
);
632 creg_val
&= ~(HC_R0INT_ENA
<< LPFC_FCP_RING
);
633 writel(creg_val
, phba
->HCregaddr
);
634 readl(phba
->HCregaddr
); /* flush */
636 lpfc_poll_start_timer(phba
);
638 } else if (val
!= 0x0) {
639 spin_unlock_irq(&phba
->hbalock
);
643 if (!(val
& DISABLE_FCP_RING_INT
) &&
644 (old_val
& DISABLE_FCP_RING_INT
))
646 spin_unlock_irq(&phba
->hbalock
);
647 del_timer(&phba
->fcp_poll_timer
);
648 spin_lock_irq(&phba
->hbalock
);
649 creg_val
= readl(phba
->HCregaddr
);
650 creg_val
|= (HC_R0INT_ENA
<< LPFC_FCP_RING
);
651 writel(creg_val
, phba
->HCregaddr
);
652 readl(phba
->HCregaddr
); /* flush */
655 phba
->cfg_poll
= val
;
657 spin_unlock_irq(&phba
->hbalock
);
662 #define lpfc_param_show(attr) \
664 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
666 struct Scsi_Host *shost = class_to_shost(cdev);\
667 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
668 struct lpfc_hba *phba = vport->phba;\
670 val = phba->cfg_##attr;\
671 return snprintf(buf, PAGE_SIZE, "%d\n",\
675 #define lpfc_param_hex_show(attr) \
677 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
679 struct Scsi_Host *shost = class_to_shost(cdev);\
680 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
681 struct lpfc_hba *phba = vport->phba;\
683 val = phba->cfg_##attr;\
684 return snprintf(buf, PAGE_SIZE, "%#x\n",\
688 #define lpfc_param_init(attr, default, minval, maxval) \
690 lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
692 if (val >= minval && val <= maxval) {\
693 phba->cfg_##attr = val;\
696 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
697 "%d:0449 lpfc_"#attr" attribute cannot be set to %d, "\
698 "allowed range is ["#minval", "#maxval"]\n", \
699 phba->brd_no, val); \
700 phba->cfg_##attr = default;\
704 #define lpfc_param_set(attr, default, minval, maxval) \
706 lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
708 if (val >= minval && val <= maxval) {\
709 phba->cfg_##attr = val;\
712 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
713 "%d:0450 lpfc_"#attr" attribute cannot be set to %d, "\
714 "allowed range is ["#minval", "#maxval"]\n", \
715 phba->brd_no, val); \
719 #define lpfc_param_store(attr) \
721 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
723 struct Scsi_Host *shost = class_to_shost(cdev);\
724 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
725 struct lpfc_hba *phba = vport->phba;\
727 if (!isdigit(buf[0]))\
729 if (sscanf(buf, "%i", &val) != 1)\
731 if (lpfc_##attr##_set(phba, val) == 0) \
737 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
738 static int lpfc_##name = defval;\
739 module_param(lpfc_##name, int, 0);\
740 MODULE_PARM_DESC(lpfc_##name, desc);\
741 lpfc_param_init(name, defval, minval, maxval)
743 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
744 static int lpfc_##name = defval;\
745 module_param(lpfc_##name, int, 0);\
746 MODULE_PARM_DESC(lpfc_##name, desc);\
747 lpfc_param_show(name)\
748 lpfc_param_init(name, defval, minval, maxval)\
749 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
751 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
752 static int lpfc_##name = defval;\
753 module_param(lpfc_##name, int, 0);\
754 MODULE_PARM_DESC(lpfc_##name, desc);\
755 lpfc_param_show(name)\
756 lpfc_param_init(name, defval, minval, maxval)\
757 lpfc_param_set(name, defval, minval, maxval)\
758 lpfc_param_store(name)\
759 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
760 lpfc_##name##_show, lpfc_##name##_store)
762 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
763 static int lpfc_##name = defval;\
764 module_param(lpfc_##name, int, 0);\
765 MODULE_PARM_DESC(lpfc_##name, desc);\
766 lpfc_param_hex_show(name)\
767 lpfc_param_init(name, defval, minval, maxval)\
768 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
770 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
771 static int lpfc_##name = defval;\
772 module_param(lpfc_##name, int, 0);\
773 MODULE_PARM_DESC(lpfc_##name, desc);\
774 lpfc_param_hex_show(name)\
775 lpfc_param_init(name, defval, minval, maxval)\
776 lpfc_param_set(name, defval, minval, maxval)\
777 lpfc_param_store(name)\
778 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
779 lpfc_##name##_show, lpfc_##name##_store)
781 static CLASS_DEVICE_ATTR(info
, S_IRUGO
, lpfc_info_show
, NULL
);
782 static CLASS_DEVICE_ATTR(serialnum
, S_IRUGO
, lpfc_serialnum_show
, NULL
);
783 static CLASS_DEVICE_ATTR(modeldesc
, S_IRUGO
, lpfc_modeldesc_show
, NULL
);
784 static CLASS_DEVICE_ATTR(modelname
, S_IRUGO
, lpfc_modelname_show
, NULL
);
785 static CLASS_DEVICE_ATTR(programtype
, S_IRUGO
, lpfc_programtype_show
, NULL
);
786 static CLASS_DEVICE_ATTR(portnum
, S_IRUGO
, lpfc_vportnum_show
, NULL
);
787 static CLASS_DEVICE_ATTR(fwrev
, S_IRUGO
, lpfc_fwrev_show
, NULL
);
788 static CLASS_DEVICE_ATTR(hdw
, S_IRUGO
, lpfc_hdw_show
, NULL
);
789 static CLASS_DEVICE_ATTR(state
, S_IRUGO
, lpfc_state_show
, NULL
);
790 static CLASS_DEVICE_ATTR(option_rom_version
, S_IRUGO
,
791 lpfc_option_rom_version_show
, NULL
);
792 static CLASS_DEVICE_ATTR(num_discovered_ports
, S_IRUGO
,
793 lpfc_num_discovered_ports_show
, NULL
);
794 static CLASS_DEVICE_ATTR(nport_evt_cnt
, S_IRUGO
, lpfc_nport_evt_cnt_show
, NULL
);
795 static CLASS_DEVICE_ATTR(lpfc_drvr_version
, S_IRUGO
, lpfc_drvr_version_show
,
797 static CLASS_DEVICE_ATTR(management_version
, S_IRUGO
, management_version_show
,
799 static CLASS_DEVICE_ATTR(board_mode
, S_IRUGO
| S_IWUSR
,
800 lpfc_board_mode_show
, lpfc_board_mode_store
);
801 static CLASS_DEVICE_ATTR(issue_reset
, S_IWUSR
, NULL
, lpfc_issue_reset
);
802 static CLASS_DEVICE_ATTR(max_vpi
, S_IRUGO
, lpfc_max_vpi_show
, NULL
);
803 static CLASS_DEVICE_ATTR(used_vpi
, S_IRUGO
, lpfc_used_vpi_show
, NULL
);
804 static CLASS_DEVICE_ATTR(max_rpi
, S_IRUGO
, lpfc_max_rpi_show
, NULL
);
805 static CLASS_DEVICE_ATTR(used_rpi
, S_IRUGO
, lpfc_used_rpi_show
, NULL
);
806 static CLASS_DEVICE_ATTR(max_xri
, S_IRUGO
, lpfc_max_xri_show
, NULL
);
807 static CLASS_DEVICE_ATTR(used_xri
, S_IRUGO
, lpfc_used_xri_show
, NULL
);
808 static CLASS_DEVICE_ATTR(npiv_info
, S_IRUGO
, lpfc_npiv_info_show
, NULL
);
811 static char *lpfc_soft_wwn_key
= "C99G71SL8032A";
814 lpfc_soft_wwn_enable_store(struct class_device
*cdev
, const char *buf
,
817 struct Scsi_Host
*shost
= class_to_shost(cdev
);
818 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
819 struct lpfc_hba
*phba
= vport
->phba
;
820 unsigned int cnt
= count
;
823 * We're doing a simple sanity check for soft_wwpn setting.
824 * We require that the user write a specific key to enable
825 * the soft_wwpn attribute to be settable. Once the attribute
826 * is written, the enable key resets. If further updates are
827 * desired, the key must be written again to re-enable the
830 * The "key" is not secret - it is a hardcoded string shown
831 * here. The intent is to protect against the random user or
832 * application that is just writing attributes.
835 /* count may include a LF at end of string */
836 if (buf
[cnt
-1] == '\n')
839 if ((cnt
!= strlen(lpfc_soft_wwn_key
)) ||
840 (strncmp(buf
, lpfc_soft_wwn_key
, strlen(lpfc_soft_wwn_key
)) != 0))
843 phba
->soft_wwn_enable
= 1;
846 static CLASS_DEVICE_ATTR(lpfc_soft_wwn_enable
, S_IWUSR
, NULL
,
847 lpfc_soft_wwn_enable_store
);
850 lpfc_soft_wwpn_show(struct class_device
*cdev
, char *buf
)
852 struct Scsi_Host
*shost
= class_to_shost(cdev
);
853 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
854 struct lpfc_hba
*phba
= vport
->phba
;
856 return snprintf(buf
, PAGE_SIZE
, "0x%llx\n",
857 (unsigned long long)phba
->cfg_soft_wwpn
);
862 lpfc_soft_wwpn_store(struct class_device
*cdev
, const char *buf
, size_t count
)
864 struct Scsi_Host
*shost
= class_to_shost(cdev
);
865 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
866 struct lpfc_hba
*phba
= vport
->phba
;
867 struct completion online_compl
;
868 int stat1
=0, stat2
=0;
869 unsigned int i
, j
, cnt
=count
;
872 /* count may include a LF at end of string */
873 if (buf
[cnt
-1] == '\n')
876 if (!phba
->soft_wwn_enable
|| (cnt
< 16) || (cnt
> 18) ||
877 ((cnt
== 17) && (*buf
++ != 'x')) ||
878 ((cnt
== 18) && ((*buf
++ != '0') || (*buf
++ != 'x'))))
881 phba
->soft_wwn_enable
= 0;
883 memset(wwpn
, 0, sizeof(wwpn
));
885 /* Validate and store the new name */
886 for (i
=0, j
=0; i
< 16; i
++) {
887 if ((*buf
>= 'a') && (*buf
<= 'f'))
888 j
= ((j
<< 4) | ((*buf
++ -'a') + 10));
889 else if ((*buf
>= 'A') && (*buf
<= 'F'))
890 j
= ((j
<< 4) | ((*buf
++ -'A') + 10));
891 else if ((*buf
>= '0') && (*buf
<= '9'))
892 j
= ((j
<< 4) | (*buf
++ -'0'));
896 wwpn
[i
/2] = j
& 0xff;
900 phba
->cfg_soft_wwpn
= wwn_to_u64(wwpn
);
901 fc_host_port_name(shost
) = phba
->cfg_soft_wwpn
;
902 if (phba
->cfg_soft_wwnn
)
903 fc_host_node_name(shost
) = phba
->cfg_soft_wwnn
;
905 dev_printk(KERN_NOTICE
, &phba
->pcidev
->dev
,
906 "lpfc%d: Reinitializing to use soft_wwpn\n", phba
->brd_no
);
908 stat1
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
910 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
911 "%d:0463 lpfc_soft_wwpn attribute set failed to reinit "
912 "adapter - %d\n", phba
->brd_no
, stat1
);
914 init_completion(&online_compl
);
915 lpfc_workq_post_event(phba
, &stat2
, &online_compl
, LPFC_EVT_ONLINE
);
916 wait_for_completion(&online_compl
);
918 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
919 "%d:0464 lpfc_soft_wwpn attribute set failed to reinit "
920 "adapter - %d\n", phba
->brd_no
, stat2
);
922 return (stat1
|| stat2
) ? -EIO
: count
;
924 static CLASS_DEVICE_ATTR(lpfc_soft_wwpn
, S_IRUGO
| S_IWUSR
,\
925 lpfc_soft_wwpn_show
, lpfc_soft_wwpn_store
);
928 lpfc_soft_wwnn_show(struct class_device
*cdev
, char *buf
)
930 struct Scsi_Host
*host
= class_to_shost(cdev
);
931 struct lpfc_hba
*phba
= (struct lpfc_hba
*)host
->hostdata
;
932 return snprintf(buf
, PAGE_SIZE
, "0x%llx\n",
933 (unsigned long long)phba
->cfg_soft_wwnn
);
938 lpfc_soft_wwnn_store(struct class_device
*cdev
, const char *buf
, size_t count
)
940 struct Scsi_Host
*host
= class_to_shost(cdev
);
941 struct lpfc_hba
*phba
= (struct lpfc_hba
*)host
->hostdata
;
942 unsigned int i
, j
, cnt
=count
;
945 /* count may include a LF at end of string */
946 if (buf
[cnt
-1] == '\n')
949 if (!phba
->soft_wwn_enable
|| (cnt
< 16) || (cnt
> 18) ||
950 ((cnt
== 17) && (*buf
++ != 'x')) ||
951 ((cnt
== 18) && ((*buf
++ != '0') || (*buf
++ != 'x'))))
955 * Allow wwnn to be set many times, as long as the enable is set.
956 * However, once the wwpn is set, everything locks.
959 memset(wwnn
, 0, sizeof(wwnn
));
961 /* Validate and store the new name */
962 for (i
=0, j
=0; i
< 16; i
++) {
963 if ((*buf
>= 'a') && (*buf
<= 'f'))
964 j
= ((j
<< 4) | ((*buf
++ -'a') + 10));
965 else if ((*buf
>= 'A') && (*buf
<= 'F'))
966 j
= ((j
<< 4) | ((*buf
++ -'A') + 10));
967 else if ((*buf
>= '0') && (*buf
<= '9'))
968 j
= ((j
<< 4) | (*buf
++ -'0'));
972 wwnn
[i
/2] = j
& 0xff;
976 phba
->cfg_soft_wwnn
= wwn_to_u64(wwnn
);
978 dev_printk(KERN_NOTICE
, &phba
->pcidev
->dev
,
979 "lpfc%d: soft_wwnn set. Value will take effect upon "
980 "setting of the soft_wwpn\n", phba
->brd_no
);
984 static CLASS_DEVICE_ATTR(lpfc_soft_wwnn
, S_IRUGO
| S_IWUSR
,\
985 lpfc_soft_wwnn_show
, lpfc_soft_wwnn_store
);
988 static int lpfc_poll
= 0;
989 module_param(lpfc_poll
, int, 0);
990 MODULE_PARM_DESC(lpfc_poll
, "FCP ring polling mode control:"
992 " 1 - poll with interrupts enabled"
993 " 3 - poll and disable FCP ring interrupts");
995 static CLASS_DEVICE_ATTR(lpfc_poll
, S_IRUGO
| S_IWUSR
,
996 lpfc_poll_show
, lpfc_poll_store
);
998 int lpfc_sli_mode
= 0;
999 module_param(lpfc_sli_mode
, int, 0);
1000 MODULE_PARM_DESC(lpfc_sli_mode
, "SLI mode selector:"
1001 " 0 - auto (SLI-3 if supported),"
1002 " 2 - select SLI-2 even on SLI-3 capable HBAs,"
1003 " 3 - select SLI-3");
1005 LPFC_ATTR_R(npiv_enable
, 0, 0, 1, "Enable NPIV functionality");
1008 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
1009 # until the timer expires. Value range is [0,255]. Default value is 30.
1011 static int lpfc_nodev_tmo
= LPFC_DEF_DEVLOSS_TMO
;
1012 static int lpfc_devloss_tmo
= LPFC_DEF_DEVLOSS_TMO
;
1013 module_param(lpfc_nodev_tmo
, int, 0);
1014 MODULE_PARM_DESC(lpfc_nodev_tmo
,
1015 "Seconds driver will hold I/O waiting "
1016 "for a device to come back");
1018 lpfc_nodev_tmo_show(struct class_device
*cdev
, char *buf
)
1020 struct Scsi_Host
*shost
= class_to_shost(cdev
);
1021 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1022 struct lpfc_hba
*phba
= vport
->phba
;
1024 val
= phba
->cfg_devloss_tmo
;
1025 return snprintf(buf
, PAGE_SIZE
, "%d\n",
1026 phba
->cfg_devloss_tmo
);
1030 lpfc_nodev_tmo_init(struct lpfc_hba
*phba
, int val
)
1033 if (phba
->cfg_devloss_tmo
!= LPFC_DEF_DEVLOSS_TMO
) {
1034 phba
->cfg_nodev_tmo
= phba
->cfg_devloss_tmo
;
1035 if (!warned
&& val
!= LPFC_DEF_DEVLOSS_TMO
) {
1037 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1038 "%d:0402 Ignoring nodev_tmo module "
1039 "parameter because devloss_tmo is"
1046 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
1047 phba
->cfg_nodev_tmo
= val
;
1048 phba
->cfg_devloss_tmo
= val
;
1051 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1052 "%d:0400 lpfc_nodev_tmo attribute cannot be set to %d, "
1053 "allowed range is [%d, %d]\n",
1055 LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
);
1056 phba
->cfg_nodev_tmo
= LPFC_DEF_DEVLOSS_TMO
;
1061 lpfc_update_rport_devloss_tmo(struct lpfc_hba
*phba
)
1063 struct lpfc_vport
*vport
;
1064 struct Scsi_Host
*shost
;
1065 struct lpfc_nodelist
*ndlp
;
1067 list_for_each_entry(vport
, &phba
->port_list
, listentry
) {
1068 shost
= lpfc_shost_from_vport(vport
);
1069 spin_lock_irq(shost
->host_lock
);
1070 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
)
1072 ndlp
->rport
->dev_loss_tmo
=
1073 phba
->cfg_devloss_tmo
;
1074 spin_unlock_irq(shost
->host_lock
);
1079 lpfc_nodev_tmo_set(struct lpfc_hba
*phba
, int val
)
1081 if (phba
->dev_loss_tmo_changed
||
1082 (lpfc_devloss_tmo
!= LPFC_DEF_DEVLOSS_TMO
)) {
1083 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1084 "%d:0401 Ignoring change to nodev_tmo "
1085 "because devloss_tmo is set.\n",
1090 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
1091 phba
->cfg_nodev_tmo
= val
;
1092 phba
->cfg_devloss_tmo
= val
;
1093 lpfc_update_rport_devloss_tmo(phba
);
1097 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1098 "%d:0403 lpfc_nodev_tmo attribute cannot be set to %d, "
1099 "allowed range is [%d, %d]\n",
1100 phba
->brd_no
, val
, LPFC_MIN_DEVLOSS_TMO
,
1101 LPFC_MAX_DEVLOSS_TMO
);
1105 lpfc_param_store(nodev_tmo
)
1107 static CLASS_DEVICE_ATTR(lpfc_nodev_tmo
, S_IRUGO
| S_IWUSR
,
1108 lpfc_nodev_tmo_show
, lpfc_nodev_tmo_store
);
1111 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
1112 # disappear until the timer expires. Value range is [0,255]. Default
1115 module_param(lpfc_devloss_tmo
, int, 0);
1116 MODULE_PARM_DESC(lpfc_devloss_tmo
,
1117 "Seconds driver will hold I/O waiting "
1118 "for a device to come back");
1119 lpfc_param_init(devloss_tmo
, LPFC_DEF_DEVLOSS_TMO
,
1120 LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
)
1121 lpfc_param_show(devloss_tmo
)
1123 lpfc_devloss_tmo_set(struct lpfc_hba
*phba
, int val
)
1125 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
1126 phba
->cfg_nodev_tmo
= val
;
1127 phba
->cfg_devloss_tmo
= val
;
1128 phba
->dev_loss_tmo_changed
= 1;
1129 lpfc_update_rport_devloss_tmo(phba
);
1133 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1134 "%d:0404 lpfc_devloss_tmo attribute cannot be set to"
1135 " %d, allowed range is [%d, %d]\n",
1136 phba
->brd_no
, val
, LPFC_MIN_DEVLOSS_TMO
,
1137 LPFC_MAX_DEVLOSS_TMO
);
1141 lpfc_param_store(devloss_tmo
)
1142 static CLASS_DEVICE_ATTR(lpfc_devloss_tmo
, S_IRUGO
| S_IWUSR
,
1143 lpfc_devloss_tmo_show
, lpfc_devloss_tmo_store
);
1146 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
1147 # deluged with LOTS of information.
1148 # You can set a bit mask to record specific types of verbose messages:
1150 # LOG_ELS 0x1 ELS events
1151 # LOG_DISCOVERY 0x2 Link discovery events
1152 # LOG_MBOX 0x4 Mailbox events
1153 # LOG_INIT 0x8 Initialization events
1154 # LOG_LINK_EVENT 0x10 Link events
1155 # LOG_FCP 0x40 FCP traffic history
1156 # LOG_NODE 0x80 Node table events
1157 # LOG_MISC 0x400 Miscellaneous events
1158 # LOG_SLI 0x800 SLI events
1159 # LOG_FCP_ERROR 0x1000 Only log FCP errors
1160 # LOG_LIBDFC 0x2000 LIBDFC events
1161 # LOG_ALL_MSG 0xffff LOG all messages
1163 LPFC_ATTR_HEX_RW(log_verbose
, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
1166 # lun_queue_depth: This parameter is used to limit the number of outstanding
1167 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
1169 LPFC_ATTR_R(lun_queue_depth
, 30, 1, 128,
1170 "Max number of FCP commands we can queue to a specific LUN");
1173 # hba_queue_depth: This parameter is used to limit the number of outstanding
1174 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
1175 # value is greater than the maximum number of exchanges supported by the HBA,
1176 # then maximum number of exchanges supported by the HBA is used to determine
1177 # the hba_queue_depth.
1179 LPFC_ATTR_R(hba_queue_depth
, 8192, 32, 8192,
1180 "Max number of FCP commands we can queue to a lpfc HBA");
1183 # peer_port_login: This parameter allows/prevents logins
1184 # between peer ports hosted on the same physical port.
1185 # When this parameter is set 0 peer ports of same physical port
1186 # are not allowed to login to each other.
1187 # When this parameter is set 1 peer ports of same physical port
1188 # are allowed to login to each other.
1189 # Default value of this parameter is 0.
1191 LPFC_ATTR_R(peer_port_login
, 0, 0, 1,
1192 "Allow peer ports on the same physical port to login to each "
1196 # vport_restrict_login: This parameter allows/prevents logins
1197 # between Virtual Ports and remote initiators.
1198 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
1199 # other initiators and will attempt to PLOGI all remote ports.
1200 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
1201 # remote ports and will not attempt to PLOGI to other initiators.
1202 # This parameter does not restrict to the physical port.
1203 # This parameter does not restrict logins to Fabric resident remote ports.
1204 # Default value of this parameter is 1.
1206 LPFC_ATTR_RW(vport_restrict_login
, 1, 0, 1,
1207 "Restrict virtual ports login to remote initiators.");
1210 # Some disk devices have a "select ID" or "select Target" capability.
1211 # From a protocol standpoint "select ID" usually means select the
1212 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
1213 # annex" which contains a table that maps a "select ID" (a number
1214 # between 0 and 7F) to an ALPA. By default, for compatibility with
1215 # older drivers, the lpfc driver scans this table from low ALPA to high
1218 # Turning on the scan-down variable (on = 1, off = 0) will
1219 # cause the lpfc driver to use an inverted table, effectively
1220 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
1222 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
1223 # and will not work across a fabric. Also this parameter will take
1224 # effect only in the case when ALPA map is not available.)
1226 LPFC_ATTR_R(scan_down
, 1, 0, 1,
1227 "Start scanning for devices from highest ALPA to lowest");
1230 # lpfc_topology: link topology for init link
1231 # 0x0 = attempt loop mode then point-to-point
1232 # 0x01 = internal loopback mode
1233 # 0x02 = attempt point-to-point mode only
1234 # 0x04 = attempt loop mode only
1235 # 0x06 = attempt point-to-point mode then loop
1236 # Set point-to-point mode if you want to run as an N_Port.
1237 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
1238 # Default value is 0.
1240 LPFC_ATTR_RW(topology
, 0, 0, 6, "Select Fibre Channel topology");
1243 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
1245 # 0 = auto select (default)
1250 # Value range is [0,8]. Default value is 0.
1252 LPFC_ATTR_R(link_speed
, 0, 0, 8, "Select link speed");
1255 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
1256 # Value range is [2,3]. Default value is 3.
1258 LPFC_ATTR_R(fcp_class
, 3, 2, 3,
1259 "Select Fibre Channel class of service for FCP sequences");
1262 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
1263 # is [0,1]. Default value is 0.
1265 LPFC_ATTR_RW(use_adisc
, 0, 0, 1,
1266 "Use ADISC on rediscovery to authenticate FCP devices");
1269 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
1270 # range is [0,1]. Default value is 0.
1272 LPFC_ATTR_R(ack0
, 0, 0, 1, "Enable ACK0 support");
1275 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
1276 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
1277 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
1278 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
1279 # cr_delay is set to 0.
1281 LPFC_ATTR_RW(cr_delay
, 0, 0, 63, "A count of milliseconds after which an "
1282 "interrupt response is generated");
1284 LPFC_ATTR_RW(cr_count
, 1, 1, 255, "A count of I/O completions after which an "
1285 "interrupt response is generated");
1288 # lpfc_multi_ring_support: Determines how many rings to spread available
1289 # cmd/rsp IOCB entries across.
1290 # Value range is [1,2]. Default value is 1.
1292 LPFC_ATTR_R(multi_ring_support
, 1, 1, 2, "Determines number of primary "
1293 "SLI rings to spread IOCB entries across");
1296 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
1297 # identifies what rctl value to configure the additional ring for.
1298 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
1300 LPFC_ATTR_R(multi_ring_rctl
, FC_UNSOL_DATA
, 1,
1301 255, "Identifies RCTL for additional ring configuration");
1304 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
1305 # identifies what type value to configure the additional ring for.
1306 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
1308 LPFC_ATTR_R(multi_ring_type
, FC_LLC_SNAP
, 1,
1309 255, "Identifies TYPE for additional ring configuration");
1312 # lpfc_fdmi_on: controls FDMI support.
1313 # 0 = no FDMI support
1314 # 1 = support FDMI without attribute of hostname
1315 # 2 = support FDMI with attribute of hostname
1316 # Value range [0,2]. Default value is 0.
1318 LPFC_ATTR_RW(fdmi_on
, 0, 0, 2, "Enable FDMI support");
1321 # Specifies the maximum number of ELS cmds we can have outstanding (for
1322 # discovery). Value range is [1,64]. Default value = 32.
1324 LPFC_ATTR(discovery_threads
, 32, 1, 64, "Maximum number of ELS commands "
1325 "during discovery");
1328 # lpfc_max_luns: maximum allowed LUN.
1329 # Value range is [0,65535]. Default value is 255.
1330 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
1332 LPFC_ATTR_R(max_luns
, 255, 0, 65535,
1333 "Maximum allowed LUN");
1336 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
1337 # Value range is [1,255], default value is 10.
1339 LPFC_ATTR_RW(poll_tmo
, 10, 1, 255,
1340 "Milliseconds driver will wait between polling FCP ring");
1343 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
1344 # support this feature
1345 # 0 = MSI disabled (default)
1347 # Value range is [0,1]. Default value is 0.
1349 LPFC_ATTR_R(use_msi
, 0, 0, 1, "Use Message Signaled Interrupts, if possible");
1353 struct class_device_attribute
*lpfc_hba_attrs
[] = {
1354 &class_device_attr_info
,
1355 &class_device_attr_serialnum
,
1356 &class_device_attr_modeldesc
,
1357 &class_device_attr_modelname
,
1358 &class_device_attr_programtype
,
1359 &class_device_attr_portnum
,
1360 &class_device_attr_fwrev
,
1361 &class_device_attr_hdw
,
1362 &class_device_attr_option_rom_version
,
1363 &class_device_attr_state
,
1364 &class_device_attr_num_discovered_ports
,
1365 &class_device_attr_lpfc_drvr_version
,
1366 &class_device_attr_lpfc_log_verbose
,
1367 &class_device_attr_lpfc_lun_queue_depth
,
1368 &class_device_attr_lpfc_hba_queue_depth
,
1369 &class_device_attr_lpfc_peer_port_login
,
1370 &class_device_attr_lpfc_vport_restrict_login
,
1371 &class_device_attr_lpfc_nodev_tmo
,
1372 &class_device_attr_lpfc_devloss_tmo
,
1373 &class_device_attr_lpfc_fcp_class
,
1374 &class_device_attr_lpfc_use_adisc
,
1375 &class_device_attr_lpfc_ack0
,
1376 &class_device_attr_lpfc_topology
,
1377 &class_device_attr_lpfc_scan_down
,
1378 &class_device_attr_lpfc_link_speed
,
1379 &class_device_attr_lpfc_cr_delay
,
1380 &class_device_attr_lpfc_cr_count
,
1381 &class_device_attr_lpfc_multi_ring_support
,
1382 &class_device_attr_lpfc_multi_ring_rctl
,
1383 &class_device_attr_lpfc_multi_ring_type
,
1384 &class_device_attr_lpfc_fdmi_on
,
1385 &class_device_attr_lpfc_max_luns
,
1386 &class_device_attr_lpfc_npiv_enable
,
1387 &class_device_attr_nport_evt_cnt
,
1388 &class_device_attr_management_version
,
1389 &class_device_attr_board_mode
,
1390 &class_device_attr_max_vpi
,
1391 &class_device_attr_used_vpi
,
1392 &class_device_attr_max_rpi
,
1393 &class_device_attr_used_rpi
,
1394 &class_device_attr_max_xri
,
1395 &class_device_attr_used_xri
,
1396 &class_device_attr_npiv_info
,
1397 &class_device_attr_issue_reset
,
1398 &class_device_attr_lpfc_poll
,
1399 &class_device_attr_lpfc_poll_tmo
,
1400 &class_device_attr_lpfc_use_msi
,
1401 &class_device_attr_lpfc_soft_wwnn
,
1402 &class_device_attr_lpfc_soft_wwpn
,
1403 &class_device_attr_lpfc_soft_wwn_enable
,
1408 sysfs_ctlreg_write(struct kobject
*kobj
, struct bin_attribute
*bin_attr
,
1409 char *buf
, loff_t off
, size_t count
)
1412 struct class_device
*cdev
= container_of(kobj
, struct class_device
,
1414 struct Scsi_Host
*shost
= class_to_shost(cdev
);
1415 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1416 struct lpfc_hba
*phba
= vport
->phba
;
1418 if ((off
+ count
) > FF_REG_AREA_SIZE
)
1421 if (count
== 0) return 0;
1423 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
1426 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
)) {
1430 spin_lock_irq(&phba
->hbalock
);
1431 for (buf_off
= 0; buf_off
< count
; buf_off
+= sizeof(uint32_t))
1432 writel(*((uint32_t *)(buf
+ buf_off
)),
1433 phba
->ctrl_regs_memmap_p
+ off
+ buf_off
);
1435 spin_unlock_irq(&phba
->hbalock
);
1441 sysfs_ctlreg_read(struct kobject
*kobj
, struct bin_attribute
*bin_attr
,
1442 char *buf
, loff_t off
, size_t count
)
1446 struct class_device
*cdev
= container_of(kobj
, struct class_device
,
1448 struct Scsi_Host
*shost
= class_to_shost(cdev
);
1449 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1450 struct lpfc_hba
*phba
= vport
->phba
;
1452 if (off
> FF_REG_AREA_SIZE
)
1455 if ((off
+ count
) > FF_REG_AREA_SIZE
)
1456 count
= FF_REG_AREA_SIZE
- off
;
1458 if (count
== 0) return 0;
1460 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
1463 spin_lock_irq(&phba
->hbalock
);
1465 for (buf_off
= 0; buf_off
< count
; buf_off
+= sizeof(uint32_t)) {
1466 tmp_ptr
= (uint32_t *)(buf
+ buf_off
);
1467 *tmp_ptr
= readl(phba
->ctrl_regs_memmap_p
+ off
+ buf_off
);
1470 spin_unlock_irq(&phba
->hbalock
);
1475 static struct bin_attribute sysfs_ctlreg_attr
= {
1478 .mode
= S_IRUSR
| S_IWUSR
,
1481 .read
= sysfs_ctlreg_read
,
1482 .write
= sysfs_ctlreg_write
,
1487 sysfs_mbox_idle(struct lpfc_hba
*phba
)
1489 phba
->sysfs_mbox
.state
= SMBOX_IDLE
;
1490 phba
->sysfs_mbox
.offset
= 0;
1492 if (phba
->sysfs_mbox
.mbox
) {
1493 mempool_free(phba
->sysfs_mbox
.mbox
,
1494 phba
->mbox_mem_pool
);
1495 phba
->sysfs_mbox
.mbox
= NULL
;
1500 sysfs_mbox_write(struct kobject
*kobj
, struct bin_attribute
*bin_attr
,
1501 char *buf
, loff_t off
, size_t count
)
1503 struct class_device
*cdev
= container_of(kobj
, struct class_device
,
1505 struct Scsi_Host
*shost
= class_to_shost(cdev
);
1506 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1507 struct lpfc_hba
*phba
= vport
->phba
;
1508 struct lpfcMboxq
*mbox
= NULL
;
1510 if ((count
+ off
) > MAILBOX_CMD_SIZE
)
1513 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
1520 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1523 memset(mbox
, 0, sizeof (LPFC_MBOXQ_t
));
1526 spin_lock_irq(&phba
->hbalock
);
1529 if (phba
->sysfs_mbox
.mbox
)
1530 mempool_free(mbox
, phba
->mbox_mem_pool
);
1532 phba
->sysfs_mbox
.mbox
= mbox
;
1533 phba
->sysfs_mbox
.state
= SMBOX_WRITING
;
1535 if (phba
->sysfs_mbox
.state
!= SMBOX_WRITING
||
1536 phba
->sysfs_mbox
.offset
!= off
||
1537 phba
->sysfs_mbox
.mbox
== NULL
) {
1538 sysfs_mbox_idle(phba
);
1539 spin_unlock_irq(&phba
->hbalock
);
1544 memcpy((uint8_t *) & phba
->sysfs_mbox
.mbox
->mb
+ off
,
1547 phba
->sysfs_mbox
.offset
= off
+ count
;
1549 spin_unlock_irq(&phba
->hbalock
);
1555 sysfs_mbox_read(struct kobject
*kobj
, struct bin_attribute
*bin_attr
,
1556 char *buf
, loff_t off
, size_t count
)
1558 struct class_device
*cdev
= container_of(kobj
, struct class_device
,
1560 struct Scsi_Host
*shost
= class_to_shost(cdev
);
1561 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1562 struct lpfc_hba
*phba
= vport
->phba
;
1565 if (off
> MAILBOX_CMD_SIZE
)
1568 if ((count
+ off
) > MAILBOX_CMD_SIZE
)
1569 count
= MAILBOX_CMD_SIZE
- off
;
1571 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
1574 if (off
&& count
== 0)
1577 spin_lock_irq(&phba
->hbalock
);
1580 phba
->sysfs_mbox
.state
== SMBOX_WRITING
&&
1581 phba
->sysfs_mbox
.offset
>= 2 * sizeof(uint32_t)) {
1583 switch (phba
->sysfs_mbox
.mbox
->mb
.mbxCommand
) {
1588 case MBX_CONFIG_LINK
:
1589 case MBX_CONFIG_RING
:
1590 case MBX_RESET_RING
:
1591 case MBX_UNREG_LOGIN
:
1593 case MBX_DUMP_CONTEXT
:
1596 case MBX_FLASH_WR_ULA
:
1600 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
)) {
1601 printk(KERN_WARNING
"mbox_read:Command 0x%x "
1602 "is illegal in on-line state\n",
1603 phba
->sysfs_mbox
.mbox
->mb
.mbxCommand
);
1604 sysfs_mbox_idle(phba
);
1605 spin_unlock_irq(&phba
->hbalock
);
1610 case MBX_READ_CONFIG
:
1611 case MBX_READ_RCONFIG
:
1612 case MBX_READ_STATUS
:
1615 case MBX_READ_LNK_STAT
:
1616 case MBX_DUMP_MEMORY
:
1618 case MBX_UPDATE_CFG
:
1619 case MBX_KILL_BOARD
:
1621 case MBX_LOAD_EXP_ROM
:
1623 case MBX_DEL_LD_ENTRY
:
1625 case MBX_READ_SPARM64
:
1629 case MBX_REG_LOGIN64
:
1630 case MBX_CONFIG_PORT
:
1631 case MBX_RUN_BIU_DIAG
:
1632 printk(KERN_WARNING
"mbox_read: Illegal Command 0x%x\n",
1633 phba
->sysfs_mbox
.mbox
->mb
.mbxCommand
);
1634 sysfs_mbox_idle(phba
);
1635 spin_unlock_irq(&phba
->hbalock
);
1638 printk(KERN_WARNING
"mbox_read: Unknown Command 0x%x\n",
1639 phba
->sysfs_mbox
.mbox
->mb
.mbxCommand
);
1640 sysfs_mbox_idle(phba
);
1641 spin_unlock_irq(&phba
->hbalock
);
1645 phba
->sysfs_mbox
.mbox
->vport
= vport
;
1647 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
) {
1648 sysfs_mbox_idle(phba
);
1649 spin_unlock_irq(&phba
->hbalock
);
1653 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
1654 (!(phba
->sli
.sli_flag
& LPFC_SLI2_ACTIVE
))){
1656 spin_unlock_irq(&phba
->hbalock
);
1657 rc
= lpfc_sli_issue_mbox (phba
,
1658 phba
->sysfs_mbox
.mbox
,
1660 spin_lock_irq(&phba
->hbalock
);
1663 spin_unlock_irq(&phba
->hbalock
);
1664 rc
= lpfc_sli_issue_mbox_wait (phba
,
1665 phba
->sysfs_mbox
.mbox
,
1666 lpfc_mbox_tmo_val(phba
,
1667 phba
->sysfs_mbox
.mbox
->mb
.mbxCommand
) * HZ
);
1668 spin_lock_irq(&phba
->hbalock
);
1671 if (rc
!= MBX_SUCCESS
) {
1672 if (rc
== MBX_TIMEOUT
) {
1673 phba
->sysfs_mbox
.mbox
= NULL
;
1675 sysfs_mbox_idle(phba
);
1676 spin_unlock_irq(&phba
->hbalock
);
1677 return (rc
== MBX_TIMEOUT
) ? -ETIME
: -ENODEV
;
1679 phba
->sysfs_mbox
.state
= SMBOX_READING
;
1681 else if (phba
->sysfs_mbox
.offset
!= off
||
1682 phba
->sysfs_mbox
.state
!= SMBOX_READING
) {
1683 printk(KERN_WARNING
"mbox_read: Bad State\n");
1684 sysfs_mbox_idle(phba
);
1685 spin_unlock_irq(&phba
->hbalock
);
1689 memcpy(buf
, (uint8_t *) & phba
->sysfs_mbox
.mbox
->mb
+ off
, count
);
1691 phba
->sysfs_mbox
.offset
= off
+ count
;
1693 if (phba
->sysfs_mbox
.offset
== MAILBOX_CMD_SIZE
)
1694 sysfs_mbox_idle(phba
);
1696 spin_unlock_irq(&phba
->hbalock
);
1701 static struct bin_attribute sysfs_mbox_attr
= {
1704 .mode
= S_IRUSR
| S_IWUSR
,
1706 .size
= MAILBOX_CMD_SIZE
,
1707 .read
= sysfs_mbox_read
,
1708 .write
= sysfs_mbox_write
,
1712 lpfc_alloc_sysfs_attr(struct lpfc_vport
*vport
)
1714 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1717 error
= sysfs_create_bin_file(&shost
->shost_classdev
.kobj
,
1718 &sysfs_ctlreg_attr
);
1722 error
= sysfs_create_bin_file(&shost
->shost_classdev
.kobj
,
1725 goto out_remove_ctlreg_attr
;
1728 out_remove_ctlreg_attr
:
1729 sysfs_remove_bin_file(&shost
->shost_classdev
.kobj
, &sysfs_ctlreg_attr
);
1735 lpfc_free_sysfs_attr(struct lpfc_vport
*vport
)
1737 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
1739 sysfs_remove_bin_file(&shost
->shost_classdev
.kobj
, &sysfs_mbox_attr
);
1740 sysfs_remove_bin_file(&shost
->shost_classdev
.kobj
, &sysfs_ctlreg_attr
);
1745 * Dynamic FC Host Attributes Support
1749 lpfc_get_host_port_id(struct Scsi_Host
*shost
)
1751 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1753 /* note: fc_myDID already in cpu endianness */
1754 fc_host_port_id(shost
) = vport
->fc_myDID
;
1758 lpfc_get_host_port_type(struct Scsi_Host
*shost
)
1760 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1761 struct lpfc_hba
*phba
= vport
->phba
;
1763 spin_lock_irq(shost
->host_lock
);
1765 if (vport
->port_type
== LPFC_NPIV_PORT
) {
1766 fc_host_port_type(shost
) = FC_PORTTYPE_NPIV
;
1767 } else if (lpfc_is_link_up(phba
)) {
1768 if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
1769 if (vport
->fc_flag
& FC_PUBLIC_LOOP
)
1770 fc_host_port_type(shost
) = FC_PORTTYPE_NLPORT
;
1772 fc_host_port_type(shost
) = FC_PORTTYPE_LPORT
;
1774 if (vport
->fc_flag
& FC_FABRIC
)
1775 fc_host_port_type(shost
) = FC_PORTTYPE_NPORT
;
1777 fc_host_port_type(shost
) = FC_PORTTYPE_PTP
;
1780 fc_host_port_type(shost
) = FC_PORTTYPE_UNKNOWN
;
1782 spin_unlock_irq(shost
->host_lock
);
1786 lpfc_get_host_port_state(struct Scsi_Host
*shost
)
1788 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1789 struct lpfc_hba
*phba
= vport
->phba
;
1791 spin_lock_irq(shost
->host_lock
);
1793 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
1794 fc_host_port_state(shost
) = FC_PORTSTATE_OFFLINE
;
1796 switch (phba
->link_state
) {
1797 case LPFC_LINK_UNKNOWN
:
1798 case LPFC_LINK_DOWN
:
1799 fc_host_port_state(shost
) = FC_PORTSTATE_LINKDOWN
;
1803 case LPFC_HBA_READY
:
1804 /* Links up, beyond this port_type reports state */
1805 fc_host_port_state(shost
) = FC_PORTSTATE_ONLINE
;
1807 case LPFC_HBA_ERROR
:
1808 fc_host_port_state(shost
) = FC_PORTSTATE_ERROR
;
1811 fc_host_port_state(shost
) = FC_PORTSTATE_UNKNOWN
;
1816 spin_unlock_irq(shost
->host_lock
);
1820 lpfc_get_host_speed(struct Scsi_Host
*shost
)
1822 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1823 struct lpfc_hba
*phba
= vport
->phba
;
1825 spin_lock_irq(shost
->host_lock
);
1827 if (lpfc_is_link_up(phba
)) {
1828 switch(phba
->fc_linkspeed
) {
1830 fc_host_speed(shost
) = FC_PORTSPEED_1GBIT
;
1833 fc_host_speed(shost
) = FC_PORTSPEED_2GBIT
;
1836 fc_host_speed(shost
) = FC_PORTSPEED_4GBIT
;
1839 fc_host_speed(shost
) = FC_PORTSPEED_8GBIT
;
1842 fc_host_speed(shost
) = FC_PORTSPEED_UNKNOWN
;
1847 spin_unlock_irq(shost
->host_lock
);
1851 lpfc_get_host_fabric_name (struct Scsi_Host
*shost
)
1853 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1854 struct lpfc_hba
*phba
= vport
->phba
;
1857 spin_lock_irq(shost
->host_lock
);
1859 if ((vport
->fc_flag
& FC_FABRIC
) ||
1860 ((phba
->fc_topology
== TOPOLOGY_LOOP
) &&
1861 (vport
->fc_flag
& FC_PUBLIC_LOOP
)))
1862 node_name
= wwn_to_u64(phba
->fc_fabparam
.nodeName
.u
.wwn
);
1864 /* fabric is local port if there is no F/FL_Port */
1865 node_name
= wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
1867 spin_unlock_irq(shost
->host_lock
);
1869 fc_host_fabric_name(shost
) = node_name
;
1872 static struct fc_host_statistics
*
1873 lpfc_get_stats(struct Scsi_Host
*shost
)
1875 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1876 struct lpfc_hba
*phba
= vport
->phba
;
1877 struct lpfc_sli
*psli
= &phba
->sli
;
1878 struct fc_host_statistics
*hs
= &phba
->link_stats
;
1879 struct lpfc_lnk_stat
* lso
= &psli
->lnk_stat_offsets
;
1880 LPFC_MBOXQ_t
*pmboxq
;
1882 unsigned long seconds
;
1886 * prevent udev from issuing mailbox commands until the port is
1889 if (phba
->link_state
< LPFC_LINK_DOWN
||
1890 !phba
->mbox_mem_pool
||
1891 (phba
->sli
.sli_flag
& LPFC_SLI2_ACTIVE
) == 0)
1894 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
1897 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1900 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
1903 pmb
->mbxCommand
= MBX_READ_STATUS
;
1904 pmb
->mbxOwner
= OWN_HOST
;
1905 pmboxq
->context1
= NULL
;
1906 pmboxq
->vport
= vport
;
1908 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
1909 (!(psli
->sli_flag
& LPFC_SLI2_ACTIVE
)))
1910 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
1912 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
1914 if (rc
!= MBX_SUCCESS
) {
1915 if (rc
!= MBX_TIMEOUT
)
1916 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1920 memset(hs
, 0, sizeof (struct fc_host_statistics
));
1922 hs
->tx_frames
= pmb
->un
.varRdStatus
.xmitFrameCnt
;
1923 hs
->tx_words
= (pmb
->un
.varRdStatus
.xmitByteCnt
* 256);
1924 hs
->rx_frames
= pmb
->un
.varRdStatus
.rcvFrameCnt
;
1925 hs
->rx_words
= (pmb
->un
.varRdStatus
.rcvByteCnt
* 256);
1927 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
1928 pmb
->mbxCommand
= MBX_READ_LNK_STAT
;
1929 pmb
->mbxOwner
= OWN_HOST
;
1930 pmboxq
->context1
= NULL
;
1931 pmboxq
->vport
= vport
;
1933 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
1934 (!(psli
->sli_flag
& LPFC_SLI2_ACTIVE
)))
1935 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
1937 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
1939 if (rc
!= MBX_SUCCESS
) {
1940 if (rc
!= MBX_TIMEOUT
)
1941 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1945 hs
->link_failure_count
= pmb
->un
.varRdLnk
.linkFailureCnt
;
1946 hs
->loss_of_sync_count
= pmb
->un
.varRdLnk
.lossSyncCnt
;
1947 hs
->loss_of_signal_count
= pmb
->un
.varRdLnk
.lossSignalCnt
;
1948 hs
->prim_seq_protocol_err_count
= pmb
->un
.varRdLnk
.primSeqErrCnt
;
1949 hs
->invalid_tx_word_count
= pmb
->un
.varRdLnk
.invalidXmitWord
;
1950 hs
->invalid_crc_count
= pmb
->un
.varRdLnk
.crcCnt
;
1951 hs
->error_frames
= pmb
->un
.varRdLnk
.crcCnt
;
1953 hs
->link_failure_count
-= lso
->link_failure_count
;
1954 hs
->loss_of_sync_count
-= lso
->loss_of_sync_count
;
1955 hs
->loss_of_signal_count
-= lso
->loss_of_signal_count
;
1956 hs
->prim_seq_protocol_err_count
-= lso
->prim_seq_protocol_err_count
;
1957 hs
->invalid_tx_word_count
-= lso
->invalid_tx_word_count
;
1958 hs
->invalid_crc_count
-= lso
->invalid_crc_count
;
1959 hs
->error_frames
-= lso
->error_frames
;
1961 if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
1962 hs
->lip_count
= (phba
->fc_eventTag
>> 1);
1963 hs
->lip_count
-= lso
->link_events
;
1967 hs
->nos_count
= (phba
->fc_eventTag
>> 1);
1968 hs
->nos_count
-= lso
->link_events
;
1971 hs
->dumped_frames
= -1;
1973 seconds
= get_seconds();
1974 if (seconds
< psli
->stats_start
)
1975 hs
->seconds_since_last_reset
= seconds
+
1976 ((unsigned long)-1 - psli
->stats_start
);
1978 hs
->seconds_since_last_reset
= seconds
- psli
->stats_start
;
1980 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1986 lpfc_reset_stats(struct Scsi_Host
*shost
)
1988 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1989 struct lpfc_hba
*phba
= vport
->phba
;
1990 struct lpfc_sli
*psli
= &phba
->sli
;
1991 struct lpfc_lnk_stat
*lso
= &psli
->lnk_stat_offsets
;
1992 LPFC_MBOXQ_t
*pmboxq
;
1996 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
1999 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
2002 memset(pmboxq
, 0, sizeof(LPFC_MBOXQ_t
));
2005 pmb
->mbxCommand
= MBX_READ_STATUS
;
2006 pmb
->mbxOwner
= OWN_HOST
;
2007 pmb
->un
.varWords
[0] = 0x1; /* reset request */
2008 pmboxq
->context1
= NULL
;
2009 pmboxq
->vport
= vport
;
2011 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
2012 (!(psli
->sli_flag
& LPFC_SLI2_ACTIVE
)))
2013 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
2015 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
2017 if (rc
!= MBX_SUCCESS
) {
2018 if (rc
!= MBX_TIMEOUT
)
2019 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
2023 memset(pmboxq
, 0, sizeof(LPFC_MBOXQ_t
));
2024 pmb
->mbxCommand
= MBX_READ_LNK_STAT
;
2025 pmb
->mbxOwner
= OWN_HOST
;
2026 pmboxq
->context1
= NULL
;
2027 pmboxq
->vport
= vport
;
2029 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
2030 (!(psli
->sli_flag
& LPFC_SLI2_ACTIVE
)))
2031 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
2033 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
2035 if (rc
!= MBX_SUCCESS
) {
2036 if (rc
!= MBX_TIMEOUT
)
2037 mempool_free( pmboxq
, phba
->mbox_mem_pool
);
2041 lso
->link_failure_count
= pmb
->un
.varRdLnk
.linkFailureCnt
;
2042 lso
->loss_of_sync_count
= pmb
->un
.varRdLnk
.lossSyncCnt
;
2043 lso
->loss_of_signal_count
= pmb
->un
.varRdLnk
.lossSignalCnt
;
2044 lso
->prim_seq_protocol_err_count
= pmb
->un
.varRdLnk
.primSeqErrCnt
;
2045 lso
->invalid_tx_word_count
= pmb
->un
.varRdLnk
.invalidXmitWord
;
2046 lso
->invalid_crc_count
= pmb
->un
.varRdLnk
.crcCnt
;
2047 lso
->error_frames
= pmb
->un
.varRdLnk
.crcCnt
;
2048 lso
->link_events
= (phba
->fc_eventTag
>> 1);
2050 psli
->stats_start
= get_seconds();
2052 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
2058 * The LPFC driver treats linkdown handling as target loss events so there
2059 * are no sysfs handlers for link_down_tmo.
2062 static struct lpfc_nodelist
*
2063 lpfc_get_node_by_target(struct scsi_target
*starget
)
2065 struct Scsi_Host
*shost
= dev_to_shost(starget
->dev
.parent
);
2066 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2067 struct lpfc_nodelist
*ndlp
;
2069 spin_lock_irq(shost
->host_lock
);
2070 /* Search for this, mapped, target ID */
2071 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2072 if (ndlp
->nlp_state
== NLP_STE_MAPPED_NODE
&&
2073 starget
->id
== ndlp
->nlp_sid
) {
2074 spin_unlock_irq(shost
->host_lock
);
2078 spin_unlock_irq(shost
->host_lock
);
2083 lpfc_get_starget_port_id(struct scsi_target
*starget
)
2085 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
2087 fc_starget_port_id(starget
) = ndlp
? ndlp
->nlp_DID
: -1;
2091 lpfc_get_starget_node_name(struct scsi_target
*starget
)
2093 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
2095 fc_starget_node_name(starget
) =
2096 ndlp
? wwn_to_u64(ndlp
->nlp_nodename
.u
.wwn
) : 0;
2100 lpfc_get_starget_port_name(struct scsi_target
*starget
)
2102 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
2104 fc_starget_port_name(starget
) =
2105 ndlp
? wwn_to_u64(ndlp
->nlp_portname
.u
.wwn
) : 0;
2109 lpfc_set_rport_loss_tmo(struct fc_rport
*rport
, uint32_t timeout
)
2112 rport
->dev_loss_tmo
= timeout
;
2114 rport
->dev_loss_tmo
= 1;
2118 #define lpfc_rport_show_function(field, format_string, sz, cast) \
2120 lpfc_show_rport_##field (struct class_device *cdev, char *buf) \
2122 struct fc_rport *rport = transport_class_to_rport(cdev); \
2123 struct lpfc_rport_data *rdata = rport->hostdata; \
2124 return snprintf(buf, sz, format_string, \
2125 (rdata->target) ? cast rdata->target->field : 0); \
2128 #define lpfc_rport_rd_attr(field, format_string, sz) \
2129 lpfc_rport_show_function(field, format_string, sz, ) \
2130 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
2133 struct fc_function_template lpfc_transport_functions
= {
2134 /* fixed attributes the driver supports */
2135 .show_host_node_name
= 1,
2136 .show_host_port_name
= 1,
2137 .show_host_supported_classes
= 1,
2138 .show_host_supported_fc4s
= 1,
2139 .show_host_supported_speeds
= 1,
2140 .show_host_maxframe_size
= 1,
2142 /* dynamic attributes the driver supports */
2143 .get_host_port_id
= lpfc_get_host_port_id
,
2144 .show_host_port_id
= 1,
2146 .get_host_port_type
= lpfc_get_host_port_type
,
2147 .show_host_port_type
= 1,
2149 .get_host_port_state
= lpfc_get_host_port_state
,
2150 .show_host_port_state
= 1,
2152 /* active_fc4s is shown but doesn't change (thus no get function) */
2153 .show_host_active_fc4s
= 1,
2155 .get_host_speed
= lpfc_get_host_speed
,
2156 .show_host_speed
= 1,
2158 .get_host_fabric_name
= lpfc_get_host_fabric_name
,
2159 .show_host_fabric_name
= 1,
2162 * The LPFC driver treats linkdown handling as target loss events
2163 * so there are no sysfs handlers for link_down_tmo.
2166 .get_fc_host_stats
= lpfc_get_stats
,
2167 .reset_fc_host_stats
= lpfc_reset_stats
,
2169 .dd_fcrport_size
= sizeof(struct lpfc_rport_data
),
2170 .show_rport_maxframe_size
= 1,
2171 .show_rport_supported_classes
= 1,
2173 .set_rport_dev_loss_tmo
= lpfc_set_rport_loss_tmo
,
2174 .show_rport_dev_loss_tmo
= 1,
2176 .get_starget_port_id
= lpfc_get_starget_port_id
,
2177 .show_starget_port_id
= 1,
2179 .get_starget_node_name
= lpfc_get_starget_node_name
,
2180 .show_starget_node_name
= 1,
2182 .get_starget_port_name
= lpfc_get_starget_port_name
,
2183 .show_starget_port_name
= 1,
2185 .issue_fc_host_lip
= lpfc_issue_lip
,
2186 .dev_loss_tmo_callbk
= lpfc_dev_loss_tmo_callbk
,
2187 .terminate_rport_io
= lpfc_terminate_rport_io
,
2189 .vport_create
= lpfc_vport_create
,
2190 .vport_delete
= lpfc_vport_delete
,
2191 .dd_fcvport_size
= sizeof(struct lpfc_vport
*),
2194 struct fc_function_template lpfc_vport_transport_functions
= {
2195 /* fixed attributes the driver supports */
2196 .show_host_node_name
= 1,
2197 .show_host_port_name
= 1,
2198 .show_host_supported_classes
= 1,
2199 .show_host_supported_fc4s
= 1,
2200 .show_host_supported_speeds
= 1,
2201 .show_host_maxframe_size
= 1,
2203 /* dynamic attributes the driver supports */
2204 .get_host_port_id
= lpfc_get_host_port_id
,
2205 .show_host_port_id
= 1,
2207 .get_host_port_type
= lpfc_get_host_port_type
,
2208 .show_host_port_type
= 1,
2210 .get_host_port_state
= lpfc_get_host_port_state
,
2211 .show_host_port_state
= 1,
2213 /* active_fc4s is shown but doesn't change (thus no get function) */
2214 .show_host_active_fc4s
= 1,
2216 .get_host_speed
= lpfc_get_host_speed
,
2217 .show_host_speed
= 1,
2219 .get_host_fabric_name
= lpfc_get_host_fabric_name
,
2220 .show_host_fabric_name
= 1,
2223 * The LPFC driver treats linkdown handling as target loss events
2224 * so there are no sysfs handlers for link_down_tmo.
2227 .get_fc_host_stats
= lpfc_get_stats
,
2228 .reset_fc_host_stats
= lpfc_reset_stats
,
2230 .dd_fcrport_size
= sizeof(struct lpfc_rport_data
),
2231 .show_rport_maxframe_size
= 1,
2232 .show_rport_supported_classes
= 1,
2234 .set_rport_dev_loss_tmo
= lpfc_set_rport_loss_tmo
,
2235 .show_rport_dev_loss_tmo
= 1,
2237 .get_starget_port_id
= lpfc_get_starget_port_id
,
2238 .show_starget_port_id
= 1,
2240 .get_starget_node_name
= lpfc_get_starget_node_name
,
2241 .show_starget_node_name
= 1,
2243 .get_starget_port_name
= lpfc_get_starget_port_name
,
2244 .show_starget_port_name
= 1,
2246 .issue_fc_host_lip
= lpfc_issue_lip
,
2247 .dev_loss_tmo_callbk
= lpfc_dev_loss_tmo_callbk
,
2248 .terminate_rport_io
= lpfc_terminate_rport_io
,
2250 .vport_disable
= lpfc_vport_disable
,
2254 lpfc_get_cfgparam(struct lpfc_hba
*phba
)
2256 lpfc_log_verbose_init(phba
, lpfc_log_verbose
);
2257 lpfc_cr_delay_init(phba
, lpfc_cr_delay
);
2258 lpfc_cr_count_init(phba
, lpfc_cr_count
);
2259 lpfc_multi_ring_support_init(phba
, lpfc_multi_ring_support
);
2260 lpfc_multi_ring_rctl_init(phba
, lpfc_multi_ring_rctl
);
2261 lpfc_multi_ring_type_init(phba
, lpfc_multi_ring_type
);
2262 lpfc_lun_queue_depth_init(phba
, lpfc_lun_queue_depth
);
2263 lpfc_fcp_class_init(phba
, lpfc_fcp_class
);
2264 lpfc_use_adisc_init(phba
, lpfc_use_adisc
);
2265 lpfc_ack0_init(phba
, lpfc_ack0
);
2266 lpfc_topology_init(phba
, lpfc_topology
);
2267 lpfc_scan_down_init(phba
, lpfc_scan_down
);
2268 lpfc_link_speed_init(phba
, lpfc_link_speed
);
2269 lpfc_fdmi_on_init(phba
, lpfc_fdmi_on
);
2270 lpfc_discovery_threads_init(phba
, lpfc_discovery_threads
);
2271 lpfc_max_luns_init(phba
, lpfc_max_luns
);
2272 lpfc_poll_tmo_init(phba
, lpfc_poll_tmo
);
2273 lpfc_peer_port_login_init(phba
, lpfc_peer_port_login
);
2274 lpfc_npiv_enable_init(phba
, lpfc_npiv_enable
);
2275 lpfc_vport_restrict_login_init(phba
, lpfc_vport_restrict_login
);
2276 lpfc_use_msi_init(phba
, lpfc_use_msi
);
2277 lpfc_devloss_tmo_init(phba
, lpfc_devloss_tmo
);
2278 lpfc_nodev_tmo_init(phba
, lpfc_nodev_tmo
);
2279 phba
->cfg_poll
= lpfc_poll
;
2280 phba
->cfg_soft_wwnn
= 0L;
2281 phba
->cfg_soft_wwpn
= 0L;
2284 * The total number of segments is the configuration value plus 2
2285 * since the IOCB need a command and response bde.
2287 phba
->cfg_sg_seg_cnt
= LPFC_SG_SEG_CNT
+ 2;
2290 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
2291 * used to create the sg_dma_buf_pool must be dynamically calculated
2293 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
2294 sizeof(struct fcp_rsp
) +
2295 (phba
->cfg_sg_seg_cnt
* sizeof(struct ulp_bde64
));
2298 lpfc_hba_queue_depth_init(phba
, lpfc_hba_queue_depth
);