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 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
288 mempool_free(pmboxq, phba->mbox_mem_pool);
290 if (mbxstatus == MBXERR_ERROR)
297 lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
299 struct completion online_compl;
300 struct lpfc_sli_ring *pring;
301 struct lpfc_sli *psli;
306 init_completion(&online_compl);
307 lpfc_workq_post_event(phba, &status, &online_compl,
308 LPFC_EVT_OFFLINE_PREP);
309 wait_for_completion(&online_compl);
316 for (i = 0; i < psli->num_rings; i++) {
317 pring = &psli->ring[i];
318 /* The linkdown event takes 30 seconds to timeout. */
319 while (pring->txcmplq_cnt) {
322 lpfc_printf_log(phba,
323 KERN_WARNING, LOG_INIT,
324 "%d:0466 Outstanding IO when "
325 "bringing Adapter offline\n",
332 init_completion(&online_compl);
333 lpfc_workq_post_event(phba, &status, &online_compl, type);
334 wait_for_completion(&online_compl);
343 lpfc_selective_reset(struct lpfc_hba *phba)
345 struct completion online_compl;
348 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
353 init_completion(&online_compl);
354 lpfc_workq_post_event(phba, &status, &online_compl,
356 wait_for_completion(&online_compl);
365 lpfc_issue_reset(struct class_device *cdev, const char *buf, size_t count)
367 struct Scsi_Host *shost = class_to_shost(cdev);
368 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
369 struct lpfc_hba *phba = vport->phba;
371 int status = -EINVAL;
373 if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
374 status = lpfc_selective_reset(phba);
383 lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
385 struct Scsi_Host *shost = class_to_shost(cdev);
386 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
387 struct lpfc_hba *phba = vport->phba;
389 return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
393 lpfc_board_mode_show(struct class_device *cdev, char *buf)
395 struct Scsi_Host *shost = class_to_shost(cdev);
396 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
397 struct lpfc_hba *phba = vport->phba;
400 if (phba->link_state == LPFC_HBA_ERROR)
402 else if (phba->link_state == LPFC_WARM_START)
403 state = "warm start";
404 else if (phba->link_state == LPFC_INIT_START)
409 return snprintf(buf, PAGE_SIZE, "%s\n", state);
413 lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count)
415 struct Scsi_Host *shost = class_to_shost(cdev);
416 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
417 struct lpfc_hba *phba = vport->phba;
418 struct completion online_compl;
421 init_completion(&online_compl);
423 if(strncmp(buf, "online", sizeof("online") - 1) == 0) {
424 lpfc_workq_post_event(phba, &status, &online_compl,
426 wait_for_completion(&online_compl);
427 } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
428 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
429 else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
430 status = lpfc_do_offline(phba, LPFC_EVT_WARM_START);
431 else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
432 status = lpfc_do_offline(phba, LPFC_EVT_KILL);
443 lpfc_max_vpi_show(struct class_device *cdev, char *buf)
445 struct Scsi_Host *shost = class_to_shost(cdev);
446 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
447 struct lpfc_hba *phba = vport->phba;
449 return snprintf(buf, PAGE_SIZE, "%d\n", phba->max_vpi);
453 lpfc_used_vpi_show(struct class_device *cdev, char *buf)
455 struct Scsi_Host *shost = class_to_shost(cdev);
456 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
457 struct lpfc_hba *phba = vport->phba;
459 /* Don't count the physical port */
460 return snprintf(buf, PAGE_SIZE, "%d\n", phba->vpi_cnt-1);
464 lpfc_get_hba_info(struct lpfc_hba *phba, uint32_t *mxri,
465 uint32_t *axri, uint32_t *mrpi, uint32_t *arpi)
467 struct lpfc_sli *psli = &phba->sli;
468 LPFC_MBOXQ_t *pmboxq;
473 * prevent udev from issuing mailbox commands until the port is
476 if (phba->link_state < LPFC_LINK_DOWN ||
477 !phba->mbox_mem_pool ||
478 (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0)
481 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
484 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
487 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
490 pmb->mbxCommand = MBX_READ_CONFIG;
491 pmb->mbxOwner = OWN_HOST;
492 pmboxq->context1 = NULL;
494 if ((phba->pport->fc_flag & FC_OFFLINE_MODE) ||
495 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
496 rc = MBX_NOT_FINISHED;
498 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
500 if (rc != MBX_SUCCESS) {
501 if (rc == MBX_TIMEOUT)
502 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
504 mempool_free(pmboxq, phba->mbox_mem_pool);
509 *mrpi = pmb->un.varRdConfig.max_rpi;
511 *arpi = pmb->un.varRdConfig.avail_rpi;
513 *mxri = pmb->un.varRdConfig.max_xri;
515 *axri = pmb->un.varRdConfig.avail_xri;
517 mempool_free(pmboxq, phba->mbox_mem_pool);
522 lpfc_max_rpi_show(struct class_device *cdev, char *buf)
524 struct Scsi_Host *shost = class_to_shost(cdev);
525 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
526 struct lpfc_hba *phba = vport->phba;
529 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL))
530 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
531 return snprintf(buf, PAGE_SIZE, "Unknown\n");
535 lpfc_used_rpi_show(struct class_device *cdev, char *buf)
537 struct Scsi_Host *shost = class_to_shost(cdev);
538 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
539 struct lpfc_hba *phba = vport->phba;
542 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt))
543 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
544 return snprintf(buf, PAGE_SIZE, "Unknown\n");
548 lpfc_max_xri_show(struct class_device *cdev, char *buf)
550 struct Scsi_Host *shost = class_to_shost(cdev);
551 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
552 struct lpfc_hba *phba = vport->phba;
555 if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL))
556 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
557 return snprintf(buf, PAGE_SIZE, "Unknown\n");
561 lpfc_used_xri_show(struct class_device *cdev, char *buf)
563 struct Scsi_Host *shost = class_to_shost(cdev);
564 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
565 struct lpfc_hba *phba = vport->phba;
568 if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL))
569 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
570 return snprintf(buf, PAGE_SIZE, "Unknown\n");
574 lpfc_npiv_info_show(struct class_device *cdev, char *buf)
576 struct Scsi_Host *shost = class_to_shost(cdev);
577 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
578 struct lpfc_hba *phba = vport->phba;
580 if (!(phba->max_vpi))
581 return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n");
582 if (vport->port_type == LPFC_PHYSICAL_PORT)
583 return snprintf(buf, PAGE_SIZE, "NPIV Physical\n");
584 return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi);
588 lpfc_poll_show(struct class_device *cdev, char *buf)
590 struct Scsi_Host *shost = class_to_shost(cdev);
591 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
592 struct lpfc_hba *phba = vport->phba;
594 return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
598 lpfc_poll_store(struct class_device *cdev, const char *buf,
601 struct Scsi_Host *shost = class_to_shost(cdev);
602 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
603 struct lpfc_hba *phba = vport->phba;
608 if (!isdigit(buf[0]))
611 if (sscanf(buf, "%i", &val) != 1)
614 if ((val & 0x3) != val)
617 spin_lock_irq(&phba->hbalock);
619 old_val = phba->cfg_poll;
621 if (val & ENABLE_FCP_RING_POLLING) {
622 if ((val & DISABLE_FCP_RING_INT) &&
623 !(old_val & DISABLE_FCP_RING_INT)) {
624 creg_val = readl(phba->HCregaddr);
625 creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
626 writel(creg_val, phba->HCregaddr);
627 readl(phba->HCregaddr); /* flush */
629 lpfc_poll_start_timer(phba);
631 } else if (val != 0x0) {
632 spin_unlock_irq(&phba->hbalock);
636 if (!(val & DISABLE_FCP_RING_INT) &&
637 (old_val & DISABLE_FCP_RING_INT))
639 spin_unlock_irq(&phba->hbalock);
640 del_timer(&phba->fcp_poll_timer);
641 spin_lock_irq(&phba->hbalock);
642 creg_val = readl(phba->HCregaddr);
643 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
644 writel(creg_val, phba->HCregaddr);
645 readl(phba->HCregaddr); /* flush */
648 phba->cfg_poll = val;
650 spin_unlock_irq(&phba->hbalock);
655 #define lpfc_param_show(attr) \
657 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
659 struct Scsi_Host *shost = class_to_shost(cdev);\
660 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
661 struct lpfc_hba *phba = vport->phba;\
663 val = phba->cfg_##attr;\
664 return snprintf(buf, PAGE_SIZE, "%d\n",\
668 #define lpfc_param_hex_show(attr) \
670 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
672 struct Scsi_Host *shost = class_to_shost(cdev);\
673 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
674 struct lpfc_hba *phba = vport->phba;\
676 val = phba->cfg_##attr;\
677 return snprintf(buf, PAGE_SIZE, "%#x\n",\
681 #define lpfc_param_init(attr, default, minval, maxval) \
683 lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
685 if (val >= minval && val <= maxval) {\
686 phba->cfg_##attr = val;\
689 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
690 "%d:0449 lpfc_"#attr" attribute cannot be set to %d, "\
691 "allowed range is ["#minval", "#maxval"]\n", \
692 phba->brd_no, val); \
693 phba->cfg_##attr = default;\
697 #define lpfc_param_set(attr, default, minval, maxval) \
699 lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
701 if (val >= minval && val <= maxval) {\
702 phba->cfg_##attr = val;\
705 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
706 "%d:0450 lpfc_"#attr" attribute cannot be set to %d, "\
707 "allowed range is ["#minval", "#maxval"]\n", \
708 phba->brd_no, val); \
712 #define lpfc_param_store(attr) \
714 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
716 struct Scsi_Host *shost = class_to_shost(cdev);\
717 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
718 struct lpfc_hba *phba = vport->phba;\
720 if (!isdigit(buf[0]))\
722 if (sscanf(buf, "%i", &val) != 1)\
724 if (lpfc_##attr##_set(phba, val) == 0) \
730 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
731 static int lpfc_##name = defval;\
732 module_param(lpfc_##name, int, 0);\
733 MODULE_PARM_DESC(lpfc_##name, desc);\
734 lpfc_param_init(name, defval, minval, maxval)
736 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
737 static int lpfc_##name = defval;\
738 module_param(lpfc_##name, int, 0);\
739 MODULE_PARM_DESC(lpfc_##name, desc);\
740 lpfc_param_show(name)\
741 lpfc_param_init(name, defval, minval, maxval)\
742 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
744 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
745 static int lpfc_##name = defval;\
746 module_param(lpfc_##name, int, 0);\
747 MODULE_PARM_DESC(lpfc_##name, desc);\
748 lpfc_param_show(name)\
749 lpfc_param_init(name, defval, minval, maxval)\
750 lpfc_param_set(name, defval, minval, maxval)\
751 lpfc_param_store(name)\
752 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
753 lpfc_##name##_show, lpfc_##name##_store)
755 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
756 static int lpfc_##name = defval;\
757 module_param(lpfc_##name, int, 0);\
758 MODULE_PARM_DESC(lpfc_##name, desc);\
759 lpfc_param_hex_show(name)\
760 lpfc_param_init(name, defval, minval, maxval)\
761 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
763 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
764 static int lpfc_##name = defval;\
765 module_param(lpfc_##name, int, 0);\
766 MODULE_PARM_DESC(lpfc_##name, desc);\
767 lpfc_param_hex_show(name)\
768 lpfc_param_init(name, defval, minval, maxval)\
769 lpfc_param_set(name, defval, minval, maxval)\
770 lpfc_param_store(name)\
771 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
772 lpfc_##name##_show, lpfc_##name##_store)
774 static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
775 static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
776 static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
777 static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
778 static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
779 static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL);
780 static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
781 static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
782 static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
783 static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
784 lpfc_option_rom_version_show, NULL);
785 static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
786 lpfc_num_discovered_ports_show, NULL);
787 static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
788 static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
790 static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
792 static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
793 lpfc_board_mode_show, lpfc_board_mode_store);
794 static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
795 static CLASS_DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL);
796 static CLASS_DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL);
797 static CLASS_DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL);
798 static CLASS_DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL);
799 static CLASS_DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
800 static CLASS_DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
801 static CLASS_DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);
804 static char *lpfc_soft_wwn_key = "C99G71SL8032A";
807 lpfc_soft_wwn_enable_store(struct class_device *cdev, const char *buf,
810 struct Scsi_Host *shost = class_to_shost(cdev);
811 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
812 struct lpfc_hba *phba = vport->phba;
813 unsigned int cnt = count;
816 * We're doing a simple sanity check for soft_wwpn setting.
817 * We require that the user write a specific key to enable
818 * the soft_wwpn attribute to be settable. Once the attribute
819 * is written, the enable key resets. If further updates are
820 * desired, the key must be written again to re-enable the
823 * The "key" is not secret - it is a hardcoded string shown
824 * here. The intent is to protect against the random user or
825 * application that is just writing attributes.
828 /* count may include a LF at end of string */
829 if (buf[cnt-1] == '\n')
832 if ((cnt != strlen(lpfc_soft_wwn_key)) ||
833 (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0))
836 phba->soft_wwn_enable = 1;
839 static CLASS_DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
840 lpfc_soft_wwn_enable_store);
843 lpfc_soft_wwpn_show(struct class_device *cdev, char *buf)
845 struct Scsi_Host *shost = class_to_shost(cdev);
846 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
847 struct lpfc_hba *phba = vport->phba;
849 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
850 (unsigned long long)phba->cfg_soft_wwpn);
855 lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
857 struct Scsi_Host *shost = class_to_shost(cdev);
858 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
859 struct lpfc_hba *phba = vport->phba;
860 struct completion online_compl;
861 int stat1=0, stat2=0;
862 unsigned int i, j, cnt=count;
865 /* count may include a LF at end of string */
866 if (buf[cnt-1] == '\n')
869 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
870 ((cnt == 17) && (*buf++ != 'x')) ||
871 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
874 phba->soft_wwn_enable = 0;
876 memset(wwpn, 0, sizeof(wwpn));
878 /* Validate and store the new name */
879 for (i=0, j=0; i < 16; i++) {
880 if ((*buf >= 'a') && (*buf <= 'f'))
881 j = ((j << 4) | ((*buf++ -'a') + 10));
882 else if ((*buf >= 'A') && (*buf <= 'F'))
883 j = ((j << 4) | ((*buf++ -'A') + 10));
884 else if ((*buf >= '0') && (*buf <= '9'))
885 j = ((j << 4) | (*buf++ -'0'));
889 wwpn[i/2] = j & 0xff;
893 phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
894 fc_host_port_name(shost) = phba->cfg_soft_wwpn;
895 if (phba->cfg_soft_wwnn)
896 fc_host_node_name(shost) = phba->cfg_soft_wwnn;
898 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
899 "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
901 stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
903 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
904 "%d:0463 lpfc_soft_wwpn attribute set failed to reinit "
905 "adapter - %d\n", phba->brd_no, stat1);
907 init_completion(&online_compl);
908 lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE);
909 wait_for_completion(&online_compl);
911 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
912 "%d:0464 lpfc_soft_wwpn attribute set failed to reinit "
913 "adapter - %d\n", phba->brd_no, stat2);
915 return (stat1 || stat2) ? -EIO : count;
917 static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
918 lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
921 lpfc_soft_wwnn_show(struct class_device *cdev, char *buf)
923 struct Scsi_Host *host = class_to_shost(cdev);
924 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
925 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
926 (unsigned long long)phba->cfg_soft_wwnn);
931 lpfc_soft_wwnn_store(struct class_device *cdev, const char *buf, size_t count)
933 struct Scsi_Host *host = class_to_shost(cdev);
934 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
935 unsigned int i, j, cnt=count;
938 /* count may include a LF at end of string */
939 if (buf[cnt-1] == '\n')
942 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
943 ((cnt == 17) && (*buf++ != 'x')) ||
944 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
948 * Allow wwnn to be set many times, as long as the enable is set.
949 * However, once the wwpn is set, everything locks.
952 memset(wwnn, 0, sizeof(wwnn));
954 /* Validate and store the new name */
955 for (i=0, j=0; i < 16; i++) {
956 if ((*buf >= 'a') && (*buf <= 'f'))
957 j = ((j << 4) | ((*buf++ -'a') + 10));
958 else if ((*buf >= 'A') && (*buf <= 'F'))
959 j = ((j << 4) | ((*buf++ -'A') + 10));
960 else if ((*buf >= '0') && (*buf <= '9'))
961 j = ((j << 4) | (*buf++ -'0'));
965 wwnn[i/2] = j & 0xff;
969 phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
971 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
972 "lpfc%d: soft_wwnn set. Value will take effect upon "
973 "setting of the soft_wwpn\n", phba->brd_no);
977 static CLASS_DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\
978 lpfc_soft_wwnn_show, lpfc_soft_wwnn_store);
981 static int lpfc_poll = 0;
982 module_param(lpfc_poll, int, 0);
983 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
985 " 1 - poll with interrupts enabled"
986 " 3 - poll and disable FCP ring interrupts");
988 static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
989 lpfc_poll_show, lpfc_poll_store);
991 int lpfc_sli_mode = 0;
992 module_param(lpfc_sli_mode, int, 0);
993 MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:"
994 " 0 - auto (SLI-3 if supported),"
995 " 2 - select SLI-2 even on SLI-3 capable HBAs,"
996 " 3 - select SLI-3");
998 int lpfc_npiv_enable = 0;
999 module_param(lpfc_npiv_enable, int, 0);
1000 MODULE_PARM_DESC(lpfc_npiv_enable, "Enable NPIV functionality");
1003 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
1004 # until the timer expires. Value range is [0,255]. Default value is 30.
1006 static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
1007 static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
1008 module_param(lpfc_nodev_tmo, int, 0);
1009 MODULE_PARM_DESC(lpfc_nodev_tmo,
1010 "Seconds driver will hold I/O waiting "
1011 "for a device to come back");
1013 lpfc_nodev_tmo_show(struct class_device *cdev, char *buf)
1015 struct Scsi_Host *shost = class_to_shost(cdev);
1016 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1017 struct lpfc_hba *phba = vport->phba;
1019 val = phba->cfg_devloss_tmo;
1020 return snprintf(buf, PAGE_SIZE, "%d\n",
1021 phba->cfg_devloss_tmo);
1025 lpfc_nodev_tmo_init(struct lpfc_hba *phba, int val)
1028 if (phba->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) {
1029 phba->cfg_nodev_tmo = phba->cfg_devloss_tmo;
1030 if (!warned && val != LPFC_DEF_DEVLOSS_TMO) {
1032 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1033 "%d:0402 Ignoring nodev_tmo module "
1034 "parameter because devloss_tmo is"
1041 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1042 phba->cfg_nodev_tmo = val;
1043 phba->cfg_devloss_tmo = val;
1046 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1047 "%d:0400 lpfc_nodev_tmo attribute cannot be set to %d, "
1048 "allowed range is [%d, %d]\n",
1050 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
1051 phba->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
1056 lpfc_nodev_tmo_set(struct lpfc_hba *phba, int val)
1058 if (phba->dev_loss_tmo_changed ||
1059 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
1060 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1061 "%d:0401 Ignoring change to nodev_tmo "
1062 "because devloss_tmo is set.\n",
1067 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1068 phba->cfg_nodev_tmo = val;
1069 phba->cfg_devloss_tmo = val;
1073 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1074 "%d:0403 lpfc_nodev_tmo attribute cannot be set to %d, "
1075 "allowed range is [%d, %d]\n",
1076 phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
1077 LPFC_MAX_DEVLOSS_TMO);
1081 lpfc_param_store(nodev_tmo)
1083 static CLASS_DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
1084 lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
1087 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
1088 # disappear until the timer expires. Value range is [0,255]. Default
1091 module_param(lpfc_devloss_tmo, int, 0);
1092 MODULE_PARM_DESC(lpfc_devloss_tmo,
1093 "Seconds driver will hold I/O waiting "
1094 "for a device to come back");
1095 lpfc_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
1096 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
1097 lpfc_param_show(devloss_tmo)
1099 lpfc_devloss_tmo_set(struct lpfc_hba *phba, int val)
1101 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1102 phba->cfg_nodev_tmo = val;
1103 phba->cfg_devloss_tmo = val;
1104 phba->dev_loss_tmo_changed = 1;
1108 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1109 "%d:0404 lpfc_devloss_tmo attribute cannot be set to"
1110 " %d, allowed range is [%d, %d]\n",
1111 phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
1112 LPFC_MAX_DEVLOSS_TMO);
1116 lpfc_param_store(devloss_tmo)
1117 static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
1118 lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
1121 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
1122 # deluged with LOTS of information.
1123 # You can set a bit mask to record specific types of verbose messages:
1125 # LOG_ELS 0x1 ELS events
1126 # LOG_DISCOVERY 0x2 Link discovery events
1127 # LOG_MBOX 0x4 Mailbox events
1128 # LOG_INIT 0x8 Initialization events
1129 # LOG_LINK_EVENT 0x10 Link events
1130 # LOG_FCP 0x40 FCP traffic history
1131 # LOG_NODE 0x80 Node table events
1132 # LOG_MISC 0x400 Miscellaneous events
1133 # LOG_SLI 0x800 SLI events
1134 # LOG_FCP_ERROR 0x1000 Only log FCP errors
1135 # LOG_LIBDFC 0x2000 LIBDFC events
1136 # LOG_ALL_MSG 0xffff LOG all messages
1138 LPFC_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
1141 # lun_queue_depth: This parameter is used to limit the number of outstanding
1142 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
1144 LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
1145 "Max number of FCP commands we can queue to a specific LUN");
1148 # hba_queue_depth: This parameter is used to limit the number of outstanding
1149 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
1150 # value is greater than the maximum number of exchanges supported by the HBA,
1151 # then maximum number of exchanges supported by the HBA is used to determine
1152 # the hba_queue_depth.
1154 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
1155 "Max number of FCP commands we can queue to a lpfc HBA");
1158 # peer_port_login: This parameter allows/prevents logins
1159 # between peer ports hosted on the same physical port.
1160 # When this parameter is set 0 peer ports of same physical port
1161 # are not allowed to login to each other.
1162 # When this parameter is set 1 peer ports of same physical port
1163 # are allowed to login to each other.
1164 # Default value of this parameter is 0.
1166 LPFC_ATTR_R(peer_port_login, 0, 0, 1,
1167 "Allow peer ports on the same physical port to login to each "
1171 # vport_restrict_login: This parameter allows/prevents logins
1172 # between Virtual Ports and remote initiators.
1173 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
1174 # other initiators and will attempt to PLOGI all remote ports.
1175 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
1176 # remote ports and will not attempt to PLOGI to other initiators.
1177 # This parameter does not restrict to the physical port.
1178 # This parameter does not restrict logins to Fabric resident remote ports.
1179 # Default value of this parameter is 1.
1181 LPFC_ATTR_RW(vport_restrict_login, 1, 0, 1,
1182 "Restrict virtual ports login to remote initiators.");
1185 # Some disk devices have a "select ID" or "select Target" capability.
1186 # From a protocol standpoint "select ID" usually means select the
1187 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
1188 # annex" which contains a table that maps a "select ID" (a number
1189 # between 0 and 7F) to an ALPA. By default, for compatibility with
1190 # older drivers, the lpfc driver scans this table from low ALPA to high
1193 # Turning on the scan-down variable (on = 1, off = 0) will
1194 # cause the lpfc driver to use an inverted table, effectively
1195 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
1197 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
1198 # and will not work across a fabric. Also this parameter will take
1199 # effect only in the case when ALPA map is not available.)
1201 LPFC_ATTR_R(scan_down, 1, 0, 1,
1202 "Start scanning for devices from highest ALPA to lowest");
1205 # lpfc_topology: link topology for init link
1206 # 0x0 = attempt loop mode then point-to-point
1207 # 0x01 = internal loopback mode
1208 # 0x02 = attempt point-to-point mode only
1209 # 0x04 = attempt loop mode only
1210 # 0x06 = attempt point-to-point mode then loop
1211 # Set point-to-point mode if you want to run as an N_Port.
1212 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
1213 # Default value is 0.
1215 LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology");
1218 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
1220 # 0 = auto select (default)
1225 # Value range is [0,8]. Default value is 0.
1227 LPFC_ATTR_R(link_speed, 0, 0, 8, "Select link speed");
1230 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
1231 # Value range is [2,3]. Default value is 3.
1233 LPFC_ATTR_R(fcp_class, 3, 2, 3,
1234 "Select Fibre Channel class of service for FCP sequences");
1237 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
1238 # is [0,1]. Default value is 0.
1240 LPFC_ATTR_RW(use_adisc, 0, 0, 1,
1241 "Use ADISC on rediscovery to authenticate FCP devices");
1244 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
1245 # range is [0,1]. Default value is 0.
1247 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
1250 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
1251 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
1252 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
1253 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
1254 # cr_delay is set to 0.
1256 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
1257 "interrupt response is generated");
1259 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
1260 "interrupt response is generated");
1263 # lpfc_multi_ring_support: Determines how many rings to spread available
1264 # cmd/rsp IOCB entries across.
1265 # Value range is [1,2]. Default value is 1.
1267 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
1268 "SLI rings to spread IOCB entries across");
1271 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
1272 # identifies what rctl value to configure the additional ring for.
1273 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
1275 LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1,
1276 255, "Identifies RCTL for additional ring configuration");
1279 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
1280 # identifies what type value to configure the additional ring for.
1281 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
1283 LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1,
1284 255, "Identifies TYPE for additional ring configuration");
1287 # lpfc_fdmi_on: controls FDMI support.
1288 # 0 = no FDMI support
1289 # 1 = support FDMI without attribute of hostname
1290 # 2 = support FDMI with attribute of hostname
1291 # Value range [0,2]. Default value is 0.
1293 LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
1296 # Specifies the maximum number of ELS cmds we can have outstanding (for
1297 # discovery). Value range is [1,64]. Default value = 32.
1299 LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
1300 "during discovery");
1303 # lpfc_max_luns: maximum allowed LUN.
1304 # Value range is [0,65535]. Default value is 255.
1305 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
1307 LPFC_ATTR_R(max_luns, 255, 0, 65535,
1308 "Maximum allowed LUN");
1311 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
1312 # Value range is [1,255], default value is 10.
1314 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
1315 "Milliseconds driver will wait between polling FCP ring");
1318 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
1319 # support this feature
1320 # 0 = MSI disabled (default)
1322 # Value range is [0,1]. Default value is 0.
1324 LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible");
1328 struct class_device_attribute *lpfc_hba_attrs[] = {
1329 &class_device_attr_info,
1330 &class_device_attr_serialnum,
1331 &class_device_attr_modeldesc,
1332 &class_device_attr_modelname,
1333 &class_device_attr_programtype,
1334 &class_device_attr_portnum,
1335 &class_device_attr_fwrev,
1336 &class_device_attr_hdw,
1337 &class_device_attr_option_rom_version,
1338 &class_device_attr_state,
1339 &class_device_attr_num_discovered_ports,
1340 &class_device_attr_lpfc_drvr_version,
1341 &class_device_attr_lpfc_log_verbose,
1342 &class_device_attr_lpfc_lun_queue_depth,
1343 &class_device_attr_lpfc_hba_queue_depth,
1344 &class_device_attr_lpfc_peer_port_login,
1345 &class_device_attr_lpfc_vport_restrict_login,
1346 &class_device_attr_lpfc_nodev_tmo,
1347 &class_device_attr_lpfc_devloss_tmo,
1348 &class_device_attr_lpfc_fcp_class,
1349 &class_device_attr_lpfc_use_adisc,
1350 &class_device_attr_lpfc_ack0,
1351 &class_device_attr_lpfc_topology,
1352 &class_device_attr_lpfc_scan_down,
1353 &class_device_attr_lpfc_link_speed,
1354 &class_device_attr_lpfc_cr_delay,
1355 &class_device_attr_lpfc_cr_count,
1356 &class_device_attr_lpfc_multi_ring_support,
1357 &class_device_attr_lpfc_multi_ring_rctl,
1358 &class_device_attr_lpfc_multi_ring_type,
1359 &class_device_attr_lpfc_fdmi_on,
1360 &class_device_attr_lpfc_max_luns,
1361 &class_device_attr_nport_evt_cnt,
1362 &class_device_attr_management_version,
1363 &class_device_attr_board_mode,
1364 &class_device_attr_max_vpi,
1365 &class_device_attr_used_vpi,
1366 &class_device_attr_max_rpi,
1367 &class_device_attr_used_rpi,
1368 &class_device_attr_max_xri,
1369 &class_device_attr_used_xri,
1370 &class_device_attr_npiv_info,
1371 &class_device_attr_issue_reset,
1372 &class_device_attr_lpfc_poll,
1373 &class_device_attr_lpfc_poll_tmo,
1374 &class_device_attr_lpfc_use_msi,
1375 &class_device_attr_lpfc_soft_wwnn,
1376 &class_device_attr_lpfc_soft_wwpn,
1377 &class_device_attr_lpfc_soft_wwn_enable,
1382 sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
1385 struct class_device *cdev = container_of(kobj, struct class_device,
1387 struct Scsi_Host *shost = class_to_shost(cdev);
1388 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1389 struct lpfc_hba *phba = vport->phba;
1391 if ((off + count) > FF_REG_AREA_SIZE)
1394 if (count == 0) return 0;
1396 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1399 if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
1403 spin_lock_irq(&phba->hbalock);
1404 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
1405 writel(*((uint32_t *)(buf + buf_off)),
1406 phba->ctrl_regs_memmap_p + off + buf_off);
1408 spin_unlock_irq(&phba->hbalock);
1414 sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
1418 struct class_device *cdev = container_of(kobj, struct class_device,
1420 struct Scsi_Host *shost = class_to_shost(cdev);
1421 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1422 struct lpfc_hba *phba = vport->phba;
1424 if (off > FF_REG_AREA_SIZE)
1427 if ((off + count) > FF_REG_AREA_SIZE)
1428 count = FF_REG_AREA_SIZE - off;
1430 if (count == 0) return 0;
1432 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1435 spin_lock_irq(&phba->hbalock);
1437 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
1438 tmp_ptr = (uint32_t *)(buf + buf_off);
1439 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
1442 spin_unlock_irq(&phba->hbalock);
1447 static struct bin_attribute sysfs_ctlreg_attr = {
1450 .mode = S_IRUSR | S_IWUSR,
1451 .owner = THIS_MODULE,
1454 .read = sysfs_ctlreg_read,
1455 .write = sysfs_ctlreg_write,
1460 sysfs_mbox_idle(struct lpfc_hba *phba)
1462 phba->sysfs_mbox.state = SMBOX_IDLE;
1463 phba->sysfs_mbox.offset = 0;
1465 if (phba->sysfs_mbox.mbox) {
1466 mempool_free(phba->sysfs_mbox.mbox,
1467 phba->mbox_mem_pool);
1468 phba->sysfs_mbox.mbox = NULL;
1473 sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
1475 struct class_device *cdev = container_of(kobj, struct class_device,
1477 struct Scsi_Host *shost = class_to_shost(cdev);
1478 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1479 struct lpfc_hba *phba = vport->phba;
1480 struct lpfcMboxq *mbox = NULL;
1482 if ((count + off) > MAILBOX_CMD_SIZE)
1485 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1492 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1495 memset(mbox, 0, sizeof (LPFC_MBOXQ_t));
1498 spin_lock_irq(&phba->hbalock);
1501 if (phba->sysfs_mbox.mbox)
1502 mempool_free(mbox, phba->mbox_mem_pool);
1504 phba->sysfs_mbox.mbox = mbox;
1505 phba->sysfs_mbox.state = SMBOX_WRITING;
1507 if (phba->sysfs_mbox.state != SMBOX_WRITING ||
1508 phba->sysfs_mbox.offset != off ||
1509 phba->sysfs_mbox.mbox == NULL) {
1510 sysfs_mbox_idle(phba);
1511 spin_unlock_irq(&phba->hbalock);
1516 memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
1519 phba->sysfs_mbox.offset = off + count;
1521 spin_unlock_irq(&phba->hbalock);
1527 sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
1529 struct class_device *cdev = container_of(kobj, struct class_device,
1531 struct Scsi_Host *shost = class_to_shost(cdev);
1532 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1533 struct lpfc_hba *phba = vport->phba;
1536 if (off > MAILBOX_CMD_SIZE)
1539 if ((count + off) > MAILBOX_CMD_SIZE)
1540 count = MAILBOX_CMD_SIZE - off;
1542 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1545 if (off && count == 0)
1548 spin_lock_irq(&phba->hbalock);
1551 phba->sysfs_mbox.state == SMBOX_WRITING &&
1552 phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
1554 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
1559 case MBX_CONFIG_LINK:
1560 case MBX_CONFIG_RING:
1561 case MBX_RESET_RING:
1562 case MBX_UNREG_LOGIN:
1564 case MBX_DUMP_CONTEXT:
1567 case MBX_FLASH_WR_ULA:
1571 if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
1572 printk(KERN_WARNING "mbox_read:Command 0x%x "
1573 "is illegal in on-line state\n",
1574 phba->sysfs_mbox.mbox->mb.mbxCommand);
1575 sysfs_mbox_idle(phba);
1576 spin_unlock_irq(&phba->hbalock);
1581 case MBX_READ_CONFIG:
1582 case MBX_READ_RCONFIG:
1583 case MBX_READ_STATUS:
1586 case MBX_READ_LNK_STAT:
1587 case MBX_DUMP_MEMORY:
1589 case MBX_UPDATE_CFG:
1590 case MBX_KILL_BOARD:
1592 case MBX_LOAD_EXP_ROM:
1594 case MBX_DEL_LD_ENTRY:
1596 case MBX_READ_SPARM64:
1600 case MBX_REG_LOGIN64:
1601 case MBX_CONFIG_PORT:
1602 case MBX_RUN_BIU_DIAG:
1603 printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
1604 phba->sysfs_mbox.mbox->mb.mbxCommand);
1605 sysfs_mbox_idle(phba);
1606 spin_unlock_irq(&phba->hbalock);
1609 printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
1610 phba->sysfs_mbox.mbox->mb.mbxCommand);
1611 sysfs_mbox_idle(phba);
1612 spin_unlock_irq(&phba->hbalock);
1616 phba->sysfs_mbox.mbox->vport = vport;
1618 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
1619 sysfs_mbox_idle(phba);
1620 spin_unlock_irq(&phba->hbalock);
1624 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
1625 (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
1627 spin_unlock_irq(&phba->hbalock);
1628 rc = lpfc_sli_issue_mbox (phba,
1629 phba->sysfs_mbox.mbox,
1631 spin_lock_irq(&phba->hbalock);
1634 spin_unlock_irq(&phba->hbalock);
1635 rc = lpfc_sli_issue_mbox_wait (phba,
1636 phba->sysfs_mbox.mbox,
1637 lpfc_mbox_tmo_val(phba,
1638 phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ);
1639 spin_lock_irq(&phba->hbalock);
1642 if (rc != MBX_SUCCESS) {
1643 if (rc == MBX_TIMEOUT) {
1644 phba->sysfs_mbox.mbox->mbox_cmpl =
1645 lpfc_sli_def_mbox_cmpl;
1646 phba->sysfs_mbox.mbox = NULL;
1648 sysfs_mbox_idle(phba);
1649 spin_unlock_irq(&phba->hbalock);
1650 return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
1652 phba->sysfs_mbox.state = SMBOX_READING;
1654 else if (phba->sysfs_mbox.offset != off ||
1655 phba->sysfs_mbox.state != SMBOX_READING) {
1656 printk(KERN_WARNING "mbox_read: Bad State\n");
1657 sysfs_mbox_idle(phba);
1658 spin_unlock_irq(&phba->hbalock);
1662 memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
1664 phba->sysfs_mbox.offset = off + count;
1666 if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE)
1667 sysfs_mbox_idle(phba);
1669 spin_unlock_irq(&phba->hbalock);
1674 static struct bin_attribute sysfs_mbox_attr = {
1677 .mode = S_IRUSR | S_IWUSR,
1678 .owner = THIS_MODULE,
1680 .size = MAILBOX_CMD_SIZE,
1681 .read = sysfs_mbox_read,
1682 .write = sysfs_mbox_write,
1686 lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
1688 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1691 error = sysfs_create_bin_file(&shost->shost_classdev.kobj,
1692 &sysfs_ctlreg_attr);
1696 error = sysfs_create_bin_file(&shost->shost_classdev.kobj,
1699 goto out_remove_ctlreg_attr;
1702 out_remove_ctlreg_attr:
1703 sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_ctlreg_attr);
1709 lpfc_free_sysfs_attr(struct lpfc_vport *vport)
1711 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1713 sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_mbox_attr);
1714 sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_ctlreg_attr);
1719 * Dynamic FC Host Attributes Support
1723 lpfc_get_host_port_id(struct Scsi_Host *shost)
1725 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1727 /* note: fc_myDID already in cpu endianness */
1728 fc_host_port_id(shost) = vport->fc_myDID;
1732 lpfc_get_host_port_type(struct Scsi_Host *shost)
1734 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1735 struct lpfc_hba *phba = vport->phba;
1737 spin_lock_irq(shost->host_lock);
1739 if (vport->port_type == LPFC_NPIV_PORT) {
1740 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1741 } else if (lpfc_is_link_up(phba)) {
1742 if (phba->fc_topology == TOPOLOGY_LOOP) {
1743 if (vport->fc_flag & FC_PUBLIC_LOOP)
1744 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
1746 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
1748 if (vport->fc_flag & FC_FABRIC)
1749 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
1751 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
1754 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
1756 spin_unlock_irq(shost->host_lock);
1760 lpfc_get_host_port_state(struct Scsi_Host *shost)
1762 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1763 struct lpfc_hba *phba = vport->phba;
1765 spin_lock_irq(shost->host_lock);
1767 if (vport->fc_flag & FC_OFFLINE_MODE)
1768 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1770 switch (phba->link_state) {
1771 case LPFC_LINK_UNKNOWN:
1772 case LPFC_LINK_DOWN:
1773 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1777 case LPFC_HBA_READY:
1778 /* Links up, beyond this port_type reports state */
1779 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1781 case LPFC_HBA_ERROR:
1782 fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
1785 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1790 spin_unlock_irq(shost->host_lock);
1794 lpfc_get_host_speed(struct Scsi_Host *shost)
1796 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1797 struct lpfc_hba *phba = vport->phba;
1799 spin_lock_irq(shost->host_lock);
1801 if (lpfc_is_link_up(phba)) {
1802 switch(phba->fc_linkspeed) {
1804 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
1807 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
1810 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
1813 fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
1816 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
1821 spin_unlock_irq(shost->host_lock);
1825 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
1827 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1828 struct lpfc_hba *phba = vport->phba;
1831 spin_lock_irq(shost->host_lock);
1833 if ((vport->fc_flag & FC_FABRIC) ||
1834 ((phba->fc_topology == TOPOLOGY_LOOP) &&
1835 (vport->fc_flag & FC_PUBLIC_LOOP)))
1836 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
1838 /* fabric is local port if there is no F/FL_Port */
1839 node_name = wwn_to_u64(vport->fc_nodename.u.wwn);
1841 spin_unlock_irq(shost->host_lock);
1843 fc_host_fabric_name(shost) = node_name;
1846 static struct fc_host_statistics *
1847 lpfc_get_stats(struct Scsi_Host *shost)
1849 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1850 struct lpfc_hba *phba = vport->phba;
1851 struct lpfc_sli *psli = &phba->sli;
1852 struct fc_host_statistics *hs = &phba->link_stats;
1853 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
1854 LPFC_MBOXQ_t *pmboxq;
1856 unsigned long seconds;
1860 * prevent udev from issuing mailbox commands until the port is
1863 if (phba->link_state < LPFC_LINK_DOWN ||
1864 !phba->mbox_mem_pool ||
1865 (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0)
1868 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
1871 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1874 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1877 pmb->mbxCommand = MBX_READ_STATUS;
1878 pmb->mbxOwner = OWN_HOST;
1879 pmboxq->context1 = NULL;
1880 pmboxq->vport = vport;
1882 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
1883 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1884 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1886 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1888 if (rc != MBX_SUCCESS) {
1889 if (rc == MBX_TIMEOUT)
1890 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1892 mempool_free(pmboxq, phba->mbox_mem_pool);
1896 memset(hs, 0, sizeof (struct fc_host_statistics));
1898 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
1899 hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
1900 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
1901 hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
1903 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1904 pmb->mbxCommand = MBX_READ_LNK_STAT;
1905 pmb->mbxOwner = OWN_HOST;
1906 pmboxq->context1 = NULL;
1907 pmboxq->vport = vport;
1909 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
1910 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1911 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1913 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1915 if (rc != MBX_SUCCESS) {
1916 if (rc == MBX_TIMEOUT)
1917 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1919 mempool_free(pmboxq, phba->mbox_mem_pool);
1923 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1924 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1925 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1926 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1927 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1928 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1929 hs->error_frames = pmb->un.varRdLnk.crcCnt;
1931 hs->link_failure_count -= lso->link_failure_count;
1932 hs->loss_of_sync_count -= lso->loss_of_sync_count;
1933 hs->loss_of_signal_count -= lso->loss_of_signal_count;
1934 hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
1935 hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
1936 hs->invalid_crc_count -= lso->invalid_crc_count;
1937 hs->error_frames -= lso->error_frames;
1939 if (phba->fc_topology == TOPOLOGY_LOOP) {
1940 hs->lip_count = (phba->fc_eventTag >> 1);
1941 hs->lip_count -= lso->link_events;
1945 hs->nos_count = (phba->fc_eventTag >> 1);
1946 hs->nos_count -= lso->link_events;
1949 hs->dumped_frames = -1;
1951 seconds = get_seconds();
1952 if (seconds < psli->stats_start)
1953 hs->seconds_since_last_reset = seconds +
1954 ((unsigned long)-1 - psli->stats_start);
1956 hs->seconds_since_last_reset = seconds - psli->stats_start;
1958 mempool_free(pmboxq, phba->mbox_mem_pool);
1964 lpfc_reset_stats(struct Scsi_Host *shost)
1966 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1967 struct lpfc_hba *phba = vport->phba;
1968 struct lpfc_sli *psli = &phba->sli;
1969 struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets;
1970 LPFC_MBOXQ_t *pmboxq;
1974 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
1977 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1980 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
1983 pmb->mbxCommand = MBX_READ_STATUS;
1984 pmb->mbxOwner = OWN_HOST;
1985 pmb->un.varWords[0] = 0x1; /* reset request */
1986 pmboxq->context1 = NULL;
1987 pmboxq->vport = vport;
1989 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
1990 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1991 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1993 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1995 if (rc != MBX_SUCCESS) {
1996 if (rc == MBX_TIMEOUT)
1997 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1999 mempool_free(pmboxq, phba->mbox_mem_pool);
2003 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
2004 pmb->mbxCommand = MBX_READ_LNK_STAT;
2005 pmb->mbxOwner = OWN_HOST;
2006 pmboxq->context1 = NULL;
2007 pmboxq->vport = vport;
2009 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
2010 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
2011 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
2013 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2015 if (rc != MBX_SUCCESS) {
2016 if (rc == MBX_TIMEOUT)
2017 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
2019 mempool_free( pmboxq, phba->mbox_mem_pool);
2023 lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
2024 lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
2025 lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
2026 lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
2027 lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
2028 lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
2029 lso->error_frames = pmb->un.varRdLnk.crcCnt;
2030 lso->link_events = (phba->fc_eventTag >> 1);
2032 psli->stats_start = get_seconds();
2034 mempool_free(pmboxq, phba->mbox_mem_pool);
2040 * The LPFC driver treats linkdown handling as target loss events so there
2041 * are no sysfs handlers for link_down_tmo.
2044 static struct lpfc_nodelist *
2045 lpfc_get_node_by_target(struct scsi_target *starget)
2047 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
2048 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2049 struct lpfc_nodelist *ndlp;
2051 spin_lock_irq(shost->host_lock);
2052 /* Search for this, mapped, target ID */
2053 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
2054 if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
2055 starget->id == ndlp->nlp_sid) {
2056 spin_unlock_irq(shost->host_lock);
2060 spin_unlock_irq(shost->host_lock);
2065 lpfc_get_starget_port_id(struct scsi_target *starget)
2067 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2069 fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
2073 lpfc_get_starget_node_name(struct scsi_target *starget)
2075 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2077 fc_starget_node_name(starget) =
2078 ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
2082 lpfc_get_starget_port_name(struct scsi_target *starget)
2084 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2086 fc_starget_port_name(starget) =
2087 ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
2091 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
2094 rport->dev_loss_tmo = timeout;
2096 rport->dev_loss_tmo = 1;
2100 #define lpfc_rport_show_function(field, format_string, sz, cast) \
2102 lpfc_show_rport_##field (struct class_device *cdev, char *buf) \
2104 struct fc_rport *rport = transport_class_to_rport(cdev); \
2105 struct lpfc_rport_data *rdata = rport->hostdata; \
2106 return snprintf(buf, sz, format_string, \
2107 (rdata->target) ? cast rdata->target->field : 0); \
2110 #define lpfc_rport_rd_attr(field, format_string, sz) \
2111 lpfc_rport_show_function(field, format_string, sz, ) \
2112 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
2115 struct fc_function_template lpfc_transport_functions = {
2116 /* fixed attributes the driver supports */
2117 .show_host_node_name = 1,
2118 .show_host_port_name = 1,
2119 .show_host_supported_classes = 1,
2120 .show_host_supported_fc4s = 1,
2121 .show_host_supported_speeds = 1,
2122 .show_host_maxframe_size = 1,
2124 /* dynamic attributes the driver supports */
2125 .get_host_port_id = lpfc_get_host_port_id,
2126 .show_host_port_id = 1,
2128 .get_host_port_type = lpfc_get_host_port_type,
2129 .show_host_port_type = 1,
2131 .get_host_port_state = lpfc_get_host_port_state,
2132 .show_host_port_state = 1,
2134 /* active_fc4s is shown but doesn't change (thus no get function) */
2135 .show_host_active_fc4s = 1,
2137 .get_host_speed = lpfc_get_host_speed,
2138 .show_host_speed = 1,
2140 .get_host_fabric_name = lpfc_get_host_fabric_name,
2141 .show_host_fabric_name = 1,
2144 * The LPFC driver treats linkdown handling as target loss events
2145 * so there are no sysfs handlers for link_down_tmo.
2148 .get_fc_host_stats = lpfc_get_stats,
2149 .reset_fc_host_stats = lpfc_reset_stats,
2151 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
2152 .show_rport_maxframe_size = 1,
2153 .show_rport_supported_classes = 1,
2155 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
2156 .show_rport_dev_loss_tmo = 1,
2158 .get_starget_port_id = lpfc_get_starget_port_id,
2159 .show_starget_port_id = 1,
2161 .get_starget_node_name = lpfc_get_starget_node_name,
2162 .show_starget_node_name = 1,
2164 .get_starget_port_name = lpfc_get_starget_port_name,
2165 .show_starget_port_name = 1,
2167 .issue_fc_host_lip = lpfc_issue_lip,
2168 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
2169 .terminate_rport_io = lpfc_terminate_rport_io,
2171 .vport_create = lpfc_vport_create,
2172 .vport_delete = lpfc_vport_delete,
2173 .dd_fcvport_size = sizeof(struct lpfc_vport *),
2176 struct fc_function_template lpfc_vport_transport_functions = {
2177 /* fixed attributes the driver supports */
2178 .show_host_node_name = 1,
2179 .show_host_port_name = 1,
2180 .show_host_supported_classes = 1,
2181 .show_host_supported_fc4s = 1,
2182 .show_host_supported_speeds = 1,
2183 .show_host_maxframe_size = 1,
2185 /* dynamic attributes the driver supports */
2186 .get_host_port_id = lpfc_get_host_port_id,
2187 .show_host_port_id = 1,
2189 .get_host_port_type = lpfc_get_host_port_type,
2190 .show_host_port_type = 1,
2192 .get_host_port_state = lpfc_get_host_port_state,
2193 .show_host_port_state = 1,
2195 /* active_fc4s is shown but doesn't change (thus no get function) */
2196 .show_host_active_fc4s = 1,
2198 .get_host_speed = lpfc_get_host_speed,
2199 .show_host_speed = 1,
2201 .get_host_fabric_name = lpfc_get_host_fabric_name,
2202 .show_host_fabric_name = 1,
2205 * The LPFC driver treats linkdown handling as target loss events
2206 * so there are no sysfs handlers for link_down_tmo.
2209 .get_fc_host_stats = lpfc_get_stats,
2210 .reset_fc_host_stats = lpfc_reset_stats,
2212 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
2213 .show_rport_maxframe_size = 1,
2214 .show_rport_supported_classes = 1,
2216 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
2217 .show_rport_dev_loss_tmo = 1,
2219 .get_starget_port_id = lpfc_get_starget_port_id,
2220 .show_starget_port_id = 1,
2222 .get_starget_node_name = lpfc_get_starget_node_name,
2223 .show_starget_node_name = 1,
2225 .get_starget_port_name = lpfc_get_starget_port_name,
2226 .show_starget_port_name = 1,
2228 .issue_fc_host_lip = lpfc_issue_lip,
2229 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
2230 .terminate_rport_io = lpfc_terminate_rport_io,
2232 .vport_disable = lpfc_vport_disable,
2236 lpfc_get_cfgparam(struct lpfc_hba *phba)
2238 lpfc_log_verbose_init(phba, lpfc_log_verbose);
2239 lpfc_cr_delay_init(phba, lpfc_cr_delay);
2240 lpfc_cr_count_init(phba, lpfc_cr_count);
2241 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
2242 lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
2243 lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
2244 lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
2245 lpfc_fcp_class_init(phba, lpfc_fcp_class);
2246 lpfc_use_adisc_init(phba, lpfc_use_adisc);
2247 lpfc_ack0_init(phba, lpfc_ack0);
2248 lpfc_topology_init(phba, lpfc_topology);
2249 lpfc_scan_down_init(phba, lpfc_scan_down);
2250 lpfc_link_speed_init(phba, lpfc_link_speed);
2251 lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
2252 lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
2253 lpfc_max_luns_init(phba, lpfc_max_luns);
2254 lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
2255 lpfc_peer_port_login_init(phba, lpfc_peer_port_login);
2256 lpfc_vport_restrict_login_init(phba, lpfc_vport_restrict_login);
2257 lpfc_use_msi_init(phba, lpfc_use_msi);
2258 lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo);
2259 lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
2260 phba->cfg_poll = lpfc_poll;
2261 phba->cfg_soft_wwnn = 0L;
2262 phba->cfg_soft_wwpn = 0L;
2265 * The total number of segments is the configuration value plus 2
2266 * since the IOCB need a command and response bde.
2268 phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
2271 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
2272 * used to create the sg_dma_buf_pool must be dynamically calculated
2274 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
2275 sizeof(struct fcp_rsp) +
2276 (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
2279 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);