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 lpfc_info_show(struct class_device *cdev, char *buf)
73 struct Scsi_Host *host = class_to_shost(cdev);
75 return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
79 lpfc_serialnum_show(struct class_device *cdev, char *buf)
81 struct Scsi_Host *shost = class_to_shost(cdev);
82 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
83 struct lpfc_hba *phba = vport->phba;
85 return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
89 lpfc_modeldesc_show(struct class_device *cdev, char *buf)
91 struct Scsi_Host *shost = class_to_shost(cdev);
92 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
93 struct lpfc_hba *phba = vport->phba;
95 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
99 lpfc_modelname_show(struct class_device *cdev, char *buf)
101 struct Scsi_Host *shost = class_to_shost(cdev);
102 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
103 struct lpfc_hba *phba = vport->phba;
105 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
109 lpfc_programtype_show(struct class_device *cdev, char *buf)
111 struct Scsi_Host *shost = class_to_shost(cdev);
112 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
113 struct lpfc_hba *phba = vport->phba;
115 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
119 lpfc_vportnum_show(struct class_device *cdev, char *buf)
121 struct Scsi_Host *shost = class_to_shost(cdev);
122 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
123 struct lpfc_hba *phba = vport->phba;
125 return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
129 lpfc_fwrev_show(struct class_device *cdev, char *buf)
131 struct Scsi_Host *shost = class_to_shost(cdev);
132 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
133 struct lpfc_hba *phba = vport->phba;
136 lpfc_decode_firmware_rev(phba, fwrev, 1);
137 return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev);
141 lpfc_hdw_show(struct class_device *cdev, char *buf)
144 struct Scsi_Host *shost = class_to_shost(cdev);
145 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
146 struct lpfc_hba *phba = vport->phba;
147 lpfc_vpd_t *vp = &phba->vpd;
149 lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
150 return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
153 lpfc_option_rom_version_show(struct class_device *cdev, char *buf)
155 struct Scsi_Host *shost = class_to_shost(cdev);
156 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
157 struct lpfc_hba *phba = vport->phba;
159 return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
162 lpfc_state_show(struct class_device *cdev, char *buf)
164 struct Scsi_Host *shost = class_to_shost(cdev);
165 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
166 struct lpfc_hba *phba = vport->phba;
169 switch (phba->link_state) {
170 case LPFC_LINK_UNKNOWN:
171 case LPFC_WARM_START:
172 case LPFC_INIT_START:
173 case LPFC_INIT_MBX_CMDS:
176 len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
181 len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - \n");
183 switch (vport->port_state) {
184 len += snprintf(buf + len, PAGE_SIZE-len,
187 case LPFC_LOCAL_CFG_LINK:
188 len += snprintf(buf + len, PAGE_SIZE-len,
189 "Configuring Link\n");
193 case LPFC_FABRIC_CFG_LINK:
196 case LPFC_BUILD_DISC_LIST:
198 len += snprintf(buf + len, PAGE_SIZE - len,
201 case LPFC_VPORT_READY:
202 len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n");
205 case LPFC_VPORT_FAILED:
206 len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n");
209 case LPFC_VPORT_UNKNOWN:
210 len += snprintf(buf + len, PAGE_SIZE - len,
215 if (phba->fc_topology == TOPOLOGY_LOOP) {
216 if (vport->fc_flag & FC_PUBLIC_LOOP)
217 len += snprintf(buf + len, PAGE_SIZE-len,
220 len += snprintf(buf + len, PAGE_SIZE-len,
223 if (vport->fc_flag & FC_FABRIC)
224 len += snprintf(buf + len, PAGE_SIZE-len,
227 len += snprintf(buf + len, PAGE_SIZE-len,
236 lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf)
238 struct Scsi_Host *shost = class_to_shost(cdev);
239 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
241 return snprintf(buf, PAGE_SIZE, "%d\n",
242 vport->fc_map_cnt + vport->fc_unmap_cnt);
247 lpfc_issue_lip(struct Scsi_Host *shost)
249 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
250 struct lpfc_hba *phba = vport->phba;
251 LPFC_MBOXQ_t *pmboxq;
252 int mbxstatus = MBXERR_ERROR;
254 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
255 (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) ||
256 (vport->port_state != LPFC_VPORT_READY))
259 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
264 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
265 pmboxq->mb.mbxCommand = MBX_DOWN_LINK;
266 pmboxq->mb.mbxOwner = OWN_HOST;
268 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
270 if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) {
271 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
272 lpfc_init_link(phba, pmboxq, phba->cfg_topology,
273 phba->cfg_link_speed);
274 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
278 lpfc_set_loopback_flag(phba);
279 if (mbxstatus != MBX_TIMEOUT)
280 mempool_free(pmboxq, phba->mbox_mem_pool);
282 if (mbxstatus == MBXERR_ERROR)
289 lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
291 struct completion online_compl;
292 struct lpfc_sli_ring *pring;
293 struct lpfc_sli *psli;
298 init_completion(&online_compl);
299 lpfc_workq_post_event(phba, &status, &online_compl,
300 LPFC_EVT_OFFLINE_PREP);
301 wait_for_completion(&online_compl);
308 for (i = 0; i < psli->num_rings; i++) {
309 pring = &psli->ring[i];
310 /* The linkdown event takes 30 seconds to timeout. */
311 while (pring->txcmplq_cnt) {
314 lpfc_printf_log(phba,
315 KERN_WARNING, LOG_INIT,
316 "0466 Outstanding IO when "
317 "bringing Adapter offline\n");
323 init_completion(&online_compl);
324 lpfc_workq_post_event(phba, &status, &online_compl, type);
325 wait_for_completion(&online_compl);
334 lpfc_selective_reset(struct lpfc_hba *phba)
336 struct completion online_compl;
339 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
344 init_completion(&online_compl);
345 lpfc_workq_post_event(phba, &status, &online_compl,
347 wait_for_completion(&online_compl);
356 lpfc_issue_reset(struct class_device *cdev, const char *buf, size_t count)
358 struct Scsi_Host *shost = class_to_shost(cdev);
359 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
360 struct lpfc_hba *phba = vport->phba;
362 int status = -EINVAL;
364 if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
365 status = lpfc_selective_reset(phba);
374 lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
376 struct Scsi_Host *shost = class_to_shost(cdev);
377 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
378 struct lpfc_hba *phba = vport->phba;
380 return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
384 lpfc_board_mode_show(struct class_device *cdev, char *buf)
386 struct Scsi_Host *shost = class_to_shost(cdev);
387 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
388 struct lpfc_hba *phba = vport->phba;
391 if (phba->link_state == LPFC_HBA_ERROR)
393 else if (phba->link_state == LPFC_WARM_START)
394 state = "warm start";
395 else if (phba->link_state == LPFC_INIT_START)
400 return snprintf(buf, PAGE_SIZE, "%s\n", state);
404 lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count)
406 struct Scsi_Host *shost = class_to_shost(cdev);
407 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
408 struct lpfc_hba *phba = vport->phba;
409 struct completion online_compl;
412 init_completion(&online_compl);
414 if(strncmp(buf, "online", sizeof("online") - 1) == 0) {
415 lpfc_workq_post_event(phba, &status, &online_compl,
417 wait_for_completion(&online_compl);
418 } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
419 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
420 else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
421 status = lpfc_do_offline(phba, LPFC_EVT_WARM_START);
422 else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
423 status = lpfc_do_offline(phba, LPFC_EVT_KILL);
434 lpfc_get_hba_info(struct lpfc_hba *phba,
435 uint32_t *mxri, uint32_t *axri,
436 uint32_t *mrpi, uint32_t *arpi,
437 uint32_t *mvpi, uint32_t *avpi)
439 struct lpfc_sli *psli = &phba->sli;
440 LPFC_MBOXQ_t *pmboxq;
445 * prevent udev from issuing mailbox commands until the port is
448 if (phba->link_state < LPFC_LINK_DOWN ||
449 !phba->mbox_mem_pool ||
450 (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0)
453 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
456 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
459 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
462 pmb->mbxCommand = MBX_READ_CONFIG;
463 pmb->mbxOwner = OWN_HOST;
464 pmboxq->context1 = NULL;
466 if ((phba->pport->fc_flag & FC_OFFLINE_MODE) ||
467 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
468 rc = MBX_NOT_FINISHED;
470 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
472 if (rc != MBX_SUCCESS) {
473 if (rc != MBX_TIMEOUT)
474 mempool_free(pmboxq, phba->mbox_mem_pool);
479 *mrpi = pmb->un.varRdConfig.max_rpi;
481 *arpi = pmb->un.varRdConfig.avail_rpi;
483 *mxri = pmb->un.varRdConfig.max_xri;
485 *axri = pmb->un.varRdConfig.avail_xri;
487 *mvpi = pmb->un.varRdConfig.max_vpi;
489 *avpi = pmb->un.varRdConfig.avail_vpi;
491 mempool_free(pmboxq, phba->mbox_mem_pool);
496 lpfc_max_rpi_show(struct class_device *cdev, char *buf)
498 struct Scsi_Host *shost = class_to_shost(cdev);
499 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
500 struct lpfc_hba *phba = vport->phba;
503 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL))
504 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
505 return snprintf(buf, PAGE_SIZE, "Unknown\n");
509 lpfc_used_rpi_show(struct class_device *cdev, char *buf)
511 struct Scsi_Host *shost = class_to_shost(cdev);
512 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
513 struct lpfc_hba *phba = vport->phba;
516 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL))
517 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
518 return snprintf(buf, PAGE_SIZE, "Unknown\n");
522 lpfc_max_xri_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, &cnt, NULL, NULL, NULL, NULL, NULL))
530 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
531 return snprintf(buf, PAGE_SIZE, "Unknown\n");
535 lpfc_used_xri_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, &cnt, &acnt, NULL, NULL, NULL, NULL))
543 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
544 return snprintf(buf, PAGE_SIZE, "Unknown\n");
548 lpfc_max_vpi_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, NULL, NULL, NULL, NULL, &cnt, NULL))
556 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
557 return snprintf(buf, PAGE_SIZE, "Unknown\n");
561 lpfc_used_vpi_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, NULL, NULL, NULL, NULL, &cnt, &acnt))
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 "0449 lpfc_"#attr" attribute cannot be set to %d, "\
691 "allowed range is ["#minval", "#maxval"]\n", val); \
692 phba->cfg_##attr = default;\
696 #define lpfc_param_set(attr, default, minval, maxval) \
698 lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
700 if (val >= minval && val <= maxval) {\
701 phba->cfg_##attr = val;\
704 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
705 "0450 lpfc_"#attr" attribute cannot be set to %d, "\
706 "allowed range is ["#minval", "#maxval"]\n", val); \
710 #define lpfc_param_store(attr) \
712 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
714 struct Scsi_Host *shost = class_to_shost(cdev);\
715 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
716 struct lpfc_hba *phba = vport->phba;\
718 if (!isdigit(buf[0]))\
720 if (sscanf(buf, "%i", &val) != 1)\
722 if (lpfc_##attr##_set(phba, val) == 0) \
728 #define lpfc_vport_param_show(attr) \
730 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
732 struct Scsi_Host *shost = class_to_shost(cdev);\
733 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
735 val = vport->cfg_##attr;\
736 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
739 #define lpfc_vport_param_hex_show(attr) \
741 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
743 struct Scsi_Host *shost = class_to_shost(cdev);\
744 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
746 val = vport->cfg_##attr;\
747 return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
750 #define lpfc_vport_param_init(attr, default, minval, maxval) \
752 lpfc_##attr##_init(struct lpfc_vport *vport, int val) \
754 if (val >= minval && val <= maxval) {\
755 vport->cfg_##attr = val;\
758 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
759 "0449 lpfc_"#attr" attribute cannot be set to %d, "\
760 "allowed range is ["#minval", "#maxval"]\n", val); \
761 vport->cfg_##attr = default;\
765 #define lpfc_vport_param_set(attr, default, minval, maxval) \
767 lpfc_##attr##_set(struct lpfc_vport *vport, int val) \
769 if (val >= minval && val <= maxval) {\
770 vport->cfg_##attr = val;\
773 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
774 "0450 lpfc_"#attr" attribute cannot be set to %d, "\
775 "allowed range is ["#minval", "#maxval"]\n", val); \
779 #define lpfc_vport_param_store(attr) \
781 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
783 struct Scsi_Host *shost = class_to_shost(cdev);\
784 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
786 if (!isdigit(buf[0]))\
788 if (sscanf(buf, "%i", &val) != 1)\
790 if (lpfc_##attr##_set(vport, val) == 0) \
797 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
798 static int lpfc_##name = defval;\
799 module_param(lpfc_##name, int, 0);\
800 MODULE_PARM_DESC(lpfc_##name, desc);\
801 lpfc_param_init(name, defval, minval, maxval)
803 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
804 static int lpfc_##name = defval;\
805 module_param(lpfc_##name, int, 0);\
806 MODULE_PARM_DESC(lpfc_##name, desc);\
807 lpfc_param_show(name)\
808 lpfc_param_init(name, defval, minval, maxval)\
809 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
811 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
812 static int lpfc_##name = defval;\
813 module_param(lpfc_##name, int, 0);\
814 MODULE_PARM_DESC(lpfc_##name, desc);\
815 lpfc_param_show(name)\
816 lpfc_param_init(name, defval, minval, maxval)\
817 lpfc_param_set(name, defval, minval, maxval)\
818 lpfc_param_store(name)\
819 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
820 lpfc_##name##_show, lpfc_##name##_store)
822 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
823 static int lpfc_##name = defval;\
824 module_param(lpfc_##name, int, 0);\
825 MODULE_PARM_DESC(lpfc_##name, desc);\
826 lpfc_param_hex_show(name)\
827 lpfc_param_init(name, defval, minval, maxval)\
828 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
830 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
831 static int lpfc_##name = defval;\
832 module_param(lpfc_##name, int, 0);\
833 MODULE_PARM_DESC(lpfc_##name, desc);\
834 lpfc_param_hex_show(name)\
835 lpfc_param_init(name, defval, minval, maxval)\
836 lpfc_param_set(name, defval, minval, maxval)\
837 lpfc_param_store(name)\
838 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
839 lpfc_##name##_show, lpfc_##name##_store)
841 #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \
842 static int lpfc_##name = defval;\
843 module_param(lpfc_##name, int, 0);\
844 MODULE_PARM_DESC(lpfc_##name, desc);\
845 lpfc_vport_param_init(name, defval, minval, maxval)
847 #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \
848 static int lpfc_##name = defval;\
849 module_param(lpfc_##name, int, 0);\
850 MODULE_PARM_DESC(lpfc_##name, desc);\
851 lpfc_vport_param_show(name)\
852 lpfc_vport_param_init(name, defval, minval, maxval)\
853 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
855 #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \
856 static int lpfc_##name = defval;\
857 module_param(lpfc_##name, int, 0);\
858 MODULE_PARM_DESC(lpfc_##name, desc);\
859 lpfc_vport_param_show(name)\
860 lpfc_vport_param_init(name, defval, minval, maxval)\
861 lpfc_vport_param_set(name, defval, minval, maxval)\
862 lpfc_vport_param_store(name)\
863 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
864 lpfc_##name##_show, lpfc_##name##_store)
866 #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \
867 static int lpfc_##name = defval;\
868 module_param(lpfc_##name, int, 0);\
869 MODULE_PARM_DESC(lpfc_##name, desc);\
870 lpfc_vport_param_hex_show(name)\
871 lpfc_vport_param_init(name, defval, minval, maxval)\
872 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
874 #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
875 static int lpfc_##name = defval;\
876 module_param(lpfc_##name, int, 0);\
877 MODULE_PARM_DESC(lpfc_##name, desc);\
878 lpfc_vport_param_hex_show(name)\
879 lpfc_vport_param_init(name, defval, minval, maxval)\
880 lpfc_vport_param_set(name, defval, minval, maxval)\
881 lpfc_vport_param_store(name)\
882 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
883 lpfc_##name##_show, lpfc_##name##_store)
885 static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
886 static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
887 static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
888 static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
889 static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
890 static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL);
891 static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
892 static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
893 static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
894 static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
895 lpfc_option_rom_version_show, NULL);
896 static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
897 lpfc_num_discovered_ports_show, NULL);
898 static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
899 static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
901 static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
902 lpfc_board_mode_show, lpfc_board_mode_store);
903 static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
904 static CLASS_DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL);
905 static CLASS_DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL);
906 static CLASS_DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL);
907 static CLASS_DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL);
908 static CLASS_DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
909 static CLASS_DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
910 static CLASS_DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);
913 static char *lpfc_soft_wwn_key = "C99G71SL8032A";
916 lpfc_soft_wwn_enable_store(struct class_device *cdev, const char *buf,
919 struct Scsi_Host *shost = class_to_shost(cdev);
920 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
921 struct lpfc_hba *phba = vport->phba;
922 unsigned int cnt = count;
925 * We're doing a simple sanity check for soft_wwpn setting.
926 * We require that the user write a specific key to enable
927 * the soft_wwpn attribute to be settable. Once the attribute
928 * is written, the enable key resets. If further updates are
929 * desired, the key must be written again to re-enable the
932 * The "key" is not secret - it is a hardcoded string shown
933 * here. The intent is to protect against the random user or
934 * application that is just writing attributes.
937 /* count may include a LF at end of string */
938 if (buf[cnt-1] == '\n')
941 if ((cnt != strlen(lpfc_soft_wwn_key)) ||
942 (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0))
945 phba->soft_wwn_enable = 1;
948 static CLASS_DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
949 lpfc_soft_wwn_enable_store);
952 lpfc_soft_wwpn_show(struct class_device *cdev, char *buf)
954 struct Scsi_Host *shost = class_to_shost(cdev);
955 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
956 struct lpfc_hba *phba = vport->phba;
958 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
959 (unsigned long long)phba->cfg_soft_wwpn);
964 lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
966 struct Scsi_Host *shost = class_to_shost(cdev);
967 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
968 struct lpfc_hba *phba = vport->phba;
969 struct completion online_compl;
970 int stat1=0, stat2=0;
971 unsigned int i, j, cnt=count;
974 /* count may include a LF at end of string */
975 if (buf[cnt-1] == '\n')
978 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
979 ((cnt == 17) && (*buf++ != 'x')) ||
980 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
983 phba->soft_wwn_enable = 0;
985 memset(wwpn, 0, sizeof(wwpn));
987 /* Validate and store the new name */
988 for (i=0, j=0; i < 16; i++) {
989 if ((*buf >= 'a') && (*buf <= 'f'))
990 j = ((j << 4) | ((*buf++ -'a') + 10));
991 else if ((*buf >= 'A') && (*buf <= 'F'))
992 j = ((j << 4) | ((*buf++ -'A') + 10));
993 else if ((*buf >= '0') && (*buf <= '9'))
994 j = ((j << 4) | (*buf++ -'0'));
998 wwpn[i/2] = j & 0xff;
1002 phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
1003 fc_host_port_name(shost) = phba->cfg_soft_wwpn;
1004 if (phba->cfg_soft_wwnn)
1005 fc_host_node_name(shost) = phba->cfg_soft_wwnn;
1007 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
1008 "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
1010 stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
1012 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1013 "0463 lpfc_soft_wwpn attribute set failed to "
1014 "reinit adapter - %d\n", stat1);
1015 init_completion(&online_compl);
1016 lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE);
1017 wait_for_completion(&online_compl);
1019 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1020 "0464 lpfc_soft_wwpn attribute set failed to "
1021 "reinit adapter - %d\n", stat2);
1022 return (stat1 || stat2) ? -EIO : count;
1024 static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
1025 lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
1028 lpfc_soft_wwnn_show(struct class_device *cdev, char *buf)
1030 struct Scsi_Host *host = class_to_shost(cdev);
1031 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
1032 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
1033 (unsigned long long)phba->cfg_soft_wwnn);
1038 lpfc_soft_wwnn_store(struct class_device *cdev, const char *buf, size_t count)
1040 struct Scsi_Host *host = class_to_shost(cdev);
1041 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
1042 unsigned int i, j, cnt=count;
1045 /* count may include a LF at end of string */
1046 if (buf[cnt-1] == '\n')
1049 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
1050 ((cnt == 17) && (*buf++ != 'x')) ||
1051 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
1055 * Allow wwnn to be set many times, as long as the enable is set.
1056 * However, once the wwpn is set, everything locks.
1059 memset(wwnn, 0, sizeof(wwnn));
1061 /* Validate and store the new name */
1062 for (i=0, j=0; i < 16; i++) {
1063 if ((*buf >= 'a') && (*buf <= 'f'))
1064 j = ((j << 4) | ((*buf++ -'a') + 10));
1065 else if ((*buf >= 'A') && (*buf <= 'F'))
1066 j = ((j << 4) | ((*buf++ -'A') + 10));
1067 else if ((*buf >= '0') && (*buf <= '9'))
1068 j = ((j << 4) | (*buf++ -'0'));
1072 wwnn[i/2] = j & 0xff;
1076 phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
1078 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
1079 "lpfc%d: soft_wwnn set. Value will take effect upon "
1080 "setting of the soft_wwpn\n", phba->brd_no);
1084 static CLASS_DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\
1085 lpfc_soft_wwnn_show, lpfc_soft_wwnn_store);
1088 static int lpfc_poll = 0;
1089 module_param(lpfc_poll, int, 0);
1090 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
1092 " 1 - poll with interrupts enabled"
1093 " 3 - poll and disable FCP ring interrupts");
1095 static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
1096 lpfc_poll_show, lpfc_poll_store);
1098 int lpfc_sli_mode = 0;
1099 module_param(lpfc_sli_mode, int, 0);
1100 MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:"
1101 " 0 - auto (SLI-3 if supported),"
1102 " 2 - select SLI-2 even on SLI-3 capable HBAs,"
1103 " 3 - select SLI-3");
1105 LPFC_ATTR_R(enable_npiv, 0, 0, 1, "Enable NPIV functionality");
1108 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
1109 # until the timer expires. Value range is [0,255]. Default value is 30.
1111 static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
1112 static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
1113 module_param(lpfc_nodev_tmo, int, 0);
1114 MODULE_PARM_DESC(lpfc_nodev_tmo,
1115 "Seconds driver will hold I/O waiting "
1116 "for a device to come back");
1118 lpfc_nodev_tmo_show(struct class_device *cdev, char *buf)
1120 struct Scsi_Host *shost = class_to_shost(cdev);
1121 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1123 val = vport->cfg_devloss_tmo;
1124 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo);
1128 lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val)
1130 if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) {
1131 vport->cfg_nodev_tmo = vport->cfg_devloss_tmo;
1132 if (val != LPFC_DEF_DEVLOSS_TMO)
1133 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1134 "0402 Ignoring nodev_tmo module "
1135 "parameter because devloss_tmo is "
1140 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1141 vport->cfg_nodev_tmo = val;
1142 vport->cfg_devloss_tmo = val;
1145 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1146 "0400 lpfc_nodev_tmo attribute cannot be set to"
1147 " %d, allowed range is [%d, %d]\n",
1148 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
1149 vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
1154 lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
1156 struct lpfc_vport **vports;
1157 struct Scsi_Host *shost;
1158 struct lpfc_nodelist *ndlp;
1161 vports = lpfc_create_vport_work_array(vport->phba);
1163 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1164 shost = lpfc_shost_from_vport(vports[i]);
1165 spin_lock_irq(shost->host_lock);
1166 list_for_each_entry(ndlp, &vports[i]->fc_nodes,
1169 ndlp->rport->dev_loss_tmo =
1170 vport->cfg_devloss_tmo;
1171 spin_unlock_irq(shost->host_lock);
1173 lpfc_destroy_vport_work_array(vports);
1177 lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val)
1179 if (vport->dev_loss_tmo_changed ||
1180 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
1181 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1182 "0401 Ignoring change to nodev_tmo "
1183 "because devloss_tmo is set.\n");
1186 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1187 vport->cfg_nodev_tmo = val;
1188 vport->cfg_devloss_tmo = val;
1189 lpfc_update_rport_devloss_tmo(vport);
1192 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1193 "0403 lpfc_nodev_tmo attribute cannot be set to"
1194 "%d, allowed range is [%d, %d]\n",
1195 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
1199 lpfc_vport_param_store(nodev_tmo)
1201 static CLASS_DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
1202 lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
1205 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
1206 # disappear until the timer expires. Value range is [0,255]. Default
1209 module_param(lpfc_devloss_tmo, int, 0);
1210 MODULE_PARM_DESC(lpfc_devloss_tmo,
1211 "Seconds driver will hold I/O waiting "
1212 "for a device to come back");
1213 lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
1214 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
1215 lpfc_vport_param_show(devloss_tmo)
1217 lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val)
1219 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1220 vport->cfg_nodev_tmo = val;
1221 vport->cfg_devloss_tmo = val;
1222 vport->dev_loss_tmo_changed = 1;
1223 lpfc_update_rport_devloss_tmo(vport);
1227 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1228 "0404 lpfc_devloss_tmo attribute cannot be set to"
1229 " %d, allowed range is [%d, %d]\n",
1230 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
1234 lpfc_vport_param_store(devloss_tmo)
1235 static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
1236 lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
1239 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
1240 # deluged with LOTS of information.
1241 # You can set a bit mask to record specific types of verbose messages:
1243 # LOG_ELS 0x1 ELS events
1244 # LOG_DISCOVERY 0x2 Link discovery events
1245 # LOG_MBOX 0x4 Mailbox events
1246 # LOG_INIT 0x8 Initialization events
1247 # LOG_LINK_EVENT 0x10 Link events
1248 # LOG_FCP 0x40 FCP traffic history
1249 # LOG_NODE 0x80 Node table events
1250 # LOG_MISC 0x400 Miscellaneous events
1251 # LOG_SLI 0x800 SLI events
1252 # LOG_FCP_ERROR 0x1000 Only log FCP errors
1253 # LOG_LIBDFC 0x2000 LIBDFC events
1254 # LOG_ALL_MSG 0xffff LOG all messages
1256 LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff,
1257 "Verbose logging bit-mask");
1260 # lun_queue_depth: This parameter is used to limit the number of outstanding
1261 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
1263 LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128,
1264 "Max number of FCP commands we can queue to a specific LUN");
1267 # hba_queue_depth: This parameter is used to limit the number of outstanding
1268 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
1269 # value is greater than the maximum number of exchanges supported by the HBA,
1270 # then maximum number of exchanges supported by the HBA is used to determine
1271 # the hba_queue_depth.
1273 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
1274 "Max number of FCP commands we can queue to a lpfc HBA");
1277 # peer_port_login: This parameter allows/prevents logins
1278 # between peer ports hosted on the same physical port.
1279 # When this parameter is set 0 peer ports of same physical port
1280 # are not allowed to login to each other.
1281 # When this parameter is set 1 peer ports of same physical port
1282 # are allowed to login to each other.
1283 # Default value of this parameter is 0.
1285 LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1,
1286 "Allow peer ports on the same physical port to login to each "
1290 # restrict_login: This parameter allows/prevents logins
1291 # between Virtual Ports and remote initiators.
1292 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
1293 # other initiators and will attempt to PLOGI all remote ports.
1294 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
1295 # remote ports and will not attempt to PLOGI to other initiators.
1296 # This parameter does not restrict to the physical port.
1297 # This parameter does not restrict logins to Fabric resident remote ports.
1298 # Default value of this parameter is 1.
1300 static int lpfc_restrict_login = 1;
1301 module_param(lpfc_restrict_login, int, 0);
1302 MODULE_PARM_DESC(lpfc_restrict_login,
1303 "Restrict virtual ports login to remote initiators.");
1304 lpfc_vport_param_show(restrict_login);
1307 lpfc_restrict_login_init(struct lpfc_vport *vport, int val)
1309 if (val < 0 || val > 1) {
1310 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1311 "0449 lpfc_restrict_login attribute cannot "
1312 "be set to %d, allowed range is [0, 1]\n",
1314 vport->cfg_restrict_login = 1;
1317 if (vport->port_type == LPFC_PHYSICAL_PORT) {
1318 vport->cfg_restrict_login = 0;
1321 vport->cfg_restrict_login = val;
1326 lpfc_restrict_login_set(struct lpfc_vport *vport, int val)
1328 if (val < 0 || val > 1) {
1329 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1330 "0450 lpfc_restrict_login attribute cannot "
1331 "be set to %d, allowed range is [0, 1]\n",
1333 vport->cfg_restrict_login = 1;
1336 if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) {
1337 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1338 "0468 lpfc_restrict_login must be 0 for "
1339 "Physical ports.\n");
1340 vport->cfg_restrict_login = 0;
1343 vport->cfg_restrict_login = val;
1346 lpfc_vport_param_store(restrict_login);
1347 static CLASS_DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR,
1348 lpfc_restrict_login_show, lpfc_restrict_login_store);
1351 # Some disk devices have a "select ID" or "select Target" capability.
1352 # From a protocol standpoint "select ID" usually means select the
1353 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
1354 # annex" which contains a table that maps a "select ID" (a number
1355 # between 0 and 7F) to an ALPA. By default, for compatibility with
1356 # older drivers, the lpfc driver scans this table from low ALPA to high
1359 # Turning on the scan-down variable (on = 1, off = 0) will
1360 # cause the lpfc driver to use an inverted table, effectively
1361 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
1363 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
1364 # and will not work across a fabric. Also this parameter will take
1365 # effect only in the case when ALPA map is not available.)
1367 LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1,
1368 "Start scanning for devices from highest ALPA to lowest");
1371 # lpfc_topology: link topology for init link
1372 # 0x0 = attempt loop mode then point-to-point
1373 # 0x01 = internal loopback mode
1374 # 0x02 = attempt point-to-point mode only
1375 # 0x04 = attempt loop mode only
1376 # 0x06 = attempt point-to-point mode then loop
1377 # Set point-to-point mode if you want to run as an N_Port.
1378 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
1379 # Default value is 0.
1381 LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology");
1384 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
1386 # 0 = auto select (default)
1391 # Value range is [0,8]. Default value is 0.
1393 LPFC_ATTR_R(link_speed, 0, 0, 8, "Select link speed");
1396 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
1397 # Value range is [2,3]. Default value is 3.
1399 LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3,
1400 "Select Fibre Channel class of service for FCP sequences");
1403 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
1404 # is [0,1]. Default value is 0.
1406 LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1,
1407 "Use ADISC on rediscovery to authenticate FCP devices");
1410 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
1411 # range is [0,1]. Default value is 0.
1413 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
1416 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
1417 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
1418 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
1419 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
1420 # cr_delay is set to 0.
1422 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
1423 "interrupt response is generated");
1425 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
1426 "interrupt response is generated");
1429 # lpfc_multi_ring_support: Determines how many rings to spread available
1430 # cmd/rsp IOCB entries across.
1431 # Value range is [1,2]. Default value is 1.
1433 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
1434 "SLI rings to spread IOCB entries across");
1437 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
1438 # identifies what rctl value to configure the additional ring for.
1439 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
1441 LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1,
1442 255, "Identifies RCTL for additional ring configuration");
1445 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
1446 # identifies what type value to configure the additional ring for.
1447 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
1449 LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1,
1450 255, "Identifies TYPE for additional ring configuration");
1453 # lpfc_fdmi_on: controls FDMI support.
1454 # 0 = no FDMI support
1455 # 1 = support FDMI without attribute of hostname
1456 # 2 = support FDMI with attribute of hostname
1457 # Value range [0,2]. Default value is 0.
1459 LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
1462 # Specifies the maximum number of ELS cmds we can have outstanding (for
1463 # discovery). Value range is [1,64]. Default value = 32.
1465 LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
1466 "during discovery");
1469 # lpfc_max_luns: maximum allowed LUN.
1470 # Value range is [0,65535]. Default value is 255.
1471 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
1473 LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN");
1476 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
1477 # Value range is [1,255], default value is 10.
1479 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
1480 "Milliseconds driver will wait between polling FCP ring");
1483 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
1484 # support this feature
1485 # 0 = MSI disabled (default)
1487 # Value range is [0,1]. Default value is 0.
1489 LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible");
1493 struct class_device_attribute *lpfc_hba_attrs[] = {
1494 &class_device_attr_info,
1495 &class_device_attr_serialnum,
1496 &class_device_attr_modeldesc,
1497 &class_device_attr_modelname,
1498 &class_device_attr_programtype,
1499 &class_device_attr_portnum,
1500 &class_device_attr_fwrev,
1501 &class_device_attr_hdw,
1502 &class_device_attr_option_rom_version,
1503 &class_device_attr_state,
1504 &class_device_attr_num_discovered_ports,
1505 &class_device_attr_lpfc_drvr_version,
1506 &class_device_attr_lpfc_log_verbose,
1507 &class_device_attr_lpfc_lun_queue_depth,
1508 &class_device_attr_lpfc_hba_queue_depth,
1509 &class_device_attr_lpfc_peer_port_login,
1510 &class_device_attr_lpfc_nodev_tmo,
1511 &class_device_attr_lpfc_devloss_tmo,
1512 &class_device_attr_lpfc_fcp_class,
1513 &class_device_attr_lpfc_use_adisc,
1514 &class_device_attr_lpfc_ack0,
1515 &class_device_attr_lpfc_topology,
1516 &class_device_attr_lpfc_scan_down,
1517 &class_device_attr_lpfc_link_speed,
1518 &class_device_attr_lpfc_cr_delay,
1519 &class_device_attr_lpfc_cr_count,
1520 &class_device_attr_lpfc_multi_ring_support,
1521 &class_device_attr_lpfc_multi_ring_rctl,
1522 &class_device_attr_lpfc_multi_ring_type,
1523 &class_device_attr_lpfc_fdmi_on,
1524 &class_device_attr_lpfc_max_luns,
1525 &class_device_attr_lpfc_enable_npiv,
1526 &class_device_attr_nport_evt_cnt,
1527 &class_device_attr_board_mode,
1528 &class_device_attr_max_vpi,
1529 &class_device_attr_used_vpi,
1530 &class_device_attr_max_rpi,
1531 &class_device_attr_used_rpi,
1532 &class_device_attr_max_xri,
1533 &class_device_attr_used_xri,
1534 &class_device_attr_npiv_info,
1535 &class_device_attr_issue_reset,
1536 &class_device_attr_lpfc_poll,
1537 &class_device_attr_lpfc_poll_tmo,
1538 &class_device_attr_lpfc_use_msi,
1539 &class_device_attr_lpfc_soft_wwnn,
1540 &class_device_attr_lpfc_soft_wwpn,
1541 &class_device_attr_lpfc_soft_wwn_enable,
1545 struct class_device_attribute *lpfc_vport_attrs[] = {
1546 &class_device_attr_info,
1547 &class_device_attr_state,
1548 &class_device_attr_num_discovered_ports,
1549 &class_device_attr_lpfc_drvr_version,
1551 &class_device_attr_lpfc_log_verbose,
1552 &class_device_attr_lpfc_lun_queue_depth,
1553 &class_device_attr_lpfc_nodev_tmo,
1554 &class_device_attr_lpfc_devloss_tmo,
1555 &class_device_attr_lpfc_hba_queue_depth,
1556 &class_device_attr_lpfc_peer_port_login,
1557 &class_device_attr_lpfc_restrict_login,
1558 &class_device_attr_lpfc_fcp_class,
1559 &class_device_attr_lpfc_use_adisc,
1560 &class_device_attr_lpfc_fdmi_on,
1561 &class_device_attr_lpfc_max_luns,
1562 &class_device_attr_nport_evt_cnt,
1563 &class_device_attr_npiv_info,
1568 sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
1569 char *buf, loff_t off, size_t count)
1572 struct class_device *cdev = container_of(kobj, struct class_device,
1574 struct Scsi_Host *shost = class_to_shost(cdev);
1575 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1576 struct lpfc_hba *phba = vport->phba;
1578 if ((off + count) > FF_REG_AREA_SIZE)
1581 if (count == 0) return 0;
1583 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1586 if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
1590 spin_lock_irq(&phba->hbalock);
1591 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
1592 writel(*((uint32_t *)(buf + buf_off)),
1593 phba->ctrl_regs_memmap_p + off + buf_off);
1595 spin_unlock_irq(&phba->hbalock);
1601 sysfs_ctlreg_read(struct kobject *kobj, struct bin_attribute *bin_attr,
1602 char *buf, loff_t off, size_t count)
1606 struct class_device *cdev = container_of(kobj, struct class_device,
1608 struct Scsi_Host *shost = class_to_shost(cdev);
1609 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1610 struct lpfc_hba *phba = vport->phba;
1612 if (off > FF_REG_AREA_SIZE)
1615 if ((off + count) > FF_REG_AREA_SIZE)
1616 count = FF_REG_AREA_SIZE - off;
1618 if (count == 0) return 0;
1620 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1623 spin_lock_irq(&phba->hbalock);
1625 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
1626 tmp_ptr = (uint32_t *)(buf + buf_off);
1627 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
1630 spin_unlock_irq(&phba->hbalock);
1635 static struct bin_attribute sysfs_ctlreg_attr = {
1638 .mode = S_IRUSR | S_IWUSR,
1641 .read = sysfs_ctlreg_read,
1642 .write = sysfs_ctlreg_write,
1647 sysfs_mbox_idle(struct lpfc_hba *phba)
1649 phba->sysfs_mbox.state = SMBOX_IDLE;
1650 phba->sysfs_mbox.offset = 0;
1652 if (phba->sysfs_mbox.mbox) {
1653 mempool_free(phba->sysfs_mbox.mbox,
1654 phba->mbox_mem_pool);
1655 phba->sysfs_mbox.mbox = NULL;
1660 sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
1661 char *buf, loff_t off, size_t count)
1663 struct class_device *cdev = container_of(kobj, struct class_device,
1665 struct Scsi_Host *shost = class_to_shost(cdev);
1666 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1667 struct lpfc_hba *phba = vport->phba;
1668 struct lpfcMboxq *mbox = NULL;
1670 if ((count + off) > MAILBOX_CMD_SIZE)
1673 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1680 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1683 memset(mbox, 0, sizeof (LPFC_MBOXQ_t));
1686 spin_lock_irq(&phba->hbalock);
1689 if (phba->sysfs_mbox.mbox)
1690 mempool_free(mbox, phba->mbox_mem_pool);
1692 phba->sysfs_mbox.mbox = mbox;
1693 phba->sysfs_mbox.state = SMBOX_WRITING;
1695 if (phba->sysfs_mbox.state != SMBOX_WRITING ||
1696 phba->sysfs_mbox.offset != off ||
1697 phba->sysfs_mbox.mbox == NULL) {
1698 sysfs_mbox_idle(phba);
1699 spin_unlock_irq(&phba->hbalock);
1704 memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
1707 phba->sysfs_mbox.offset = off + count;
1709 spin_unlock_irq(&phba->hbalock);
1715 sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
1716 char *buf, loff_t off, size_t count)
1718 struct class_device *cdev = container_of(kobj, struct class_device,
1720 struct Scsi_Host *shost = class_to_shost(cdev);
1721 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1722 struct lpfc_hba *phba = vport->phba;
1725 if (off > MAILBOX_CMD_SIZE)
1728 if ((count + off) > MAILBOX_CMD_SIZE)
1729 count = MAILBOX_CMD_SIZE - off;
1731 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1734 if (off && count == 0)
1737 spin_lock_irq(&phba->hbalock);
1740 phba->sysfs_mbox.state == SMBOX_WRITING &&
1741 phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
1743 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
1748 case MBX_CONFIG_LINK:
1749 case MBX_CONFIG_RING:
1750 case MBX_RESET_RING:
1751 case MBX_UNREG_LOGIN:
1753 case MBX_DUMP_CONTEXT:
1756 case MBX_FLASH_WR_ULA:
1760 if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
1761 printk(KERN_WARNING "mbox_read:Command 0x%x "
1762 "is illegal in on-line state\n",
1763 phba->sysfs_mbox.mbox->mb.mbxCommand);
1764 sysfs_mbox_idle(phba);
1765 spin_unlock_irq(&phba->hbalock);
1770 case MBX_READ_CONFIG:
1771 case MBX_READ_RCONFIG:
1772 case MBX_READ_STATUS:
1775 case MBX_READ_LNK_STAT:
1776 case MBX_DUMP_MEMORY:
1778 case MBX_UPDATE_CFG:
1779 case MBX_KILL_BOARD:
1781 case MBX_LOAD_EXP_ROM:
1783 case MBX_DEL_LD_ENTRY:
1785 case MBX_READ_SPARM64:
1789 case MBX_REG_LOGIN64:
1790 case MBX_CONFIG_PORT:
1791 case MBX_RUN_BIU_DIAG:
1792 printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
1793 phba->sysfs_mbox.mbox->mb.mbxCommand);
1794 sysfs_mbox_idle(phba);
1795 spin_unlock_irq(&phba->hbalock);
1798 printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
1799 phba->sysfs_mbox.mbox->mb.mbxCommand);
1800 sysfs_mbox_idle(phba);
1801 spin_unlock_irq(&phba->hbalock);
1805 phba->sysfs_mbox.mbox->vport = vport;
1807 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
1808 sysfs_mbox_idle(phba);
1809 spin_unlock_irq(&phba->hbalock);
1813 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
1814 (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
1816 spin_unlock_irq(&phba->hbalock);
1817 rc = lpfc_sli_issue_mbox (phba,
1818 phba->sysfs_mbox.mbox,
1820 spin_lock_irq(&phba->hbalock);
1823 spin_unlock_irq(&phba->hbalock);
1824 rc = lpfc_sli_issue_mbox_wait (phba,
1825 phba->sysfs_mbox.mbox,
1826 lpfc_mbox_tmo_val(phba,
1827 phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ);
1828 spin_lock_irq(&phba->hbalock);
1831 if (rc != MBX_SUCCESS) {
1832 if (rc == MBX_TIMEOUT) {
1833 phba->sysfs_mbox.mbox = NULL;
1835 sysfs_mbox_idle(phba);
1836 spin_unlock_irq(&phba->hbalock);
1837 return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
1839 phba->sysfs_mbox.state = SMBOX_READING;
1841 else if (phba->sysfs_mbox.offset != off ||
1842 phba->sysfs_mbox.state != SMBOX_READING) {
1843 printk(KERN_WARNING "mbox_read: Bad State\n");
1844 sysfs_mbox_idle(phba);
1845 spin_unlock_irq(&phba->hbalock);
1849 memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
1851 phba->sysfs_mbox.offset = off + count;
1853 if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE)
1854 sysfs_mbox_idle(phba);
1856 spin_unlock_irq(&phba->hbalock);
1861 static struct bin_attribute sysfs_mbox_attr = {
1864 .mode = S_IRUSR | S_IWUSR,
1866 .size = MAILBOX_CMD_SIZE,
1867 .read = sysfs_mbox_read,
1868 .write = sysfs_mbox_write,
1872 lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
1874 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1877 error = sysfs_create_bin_file(&shost->shost_classdev.kobj,
1878 &sysfs_ctlreg_attr);
1882 error = sysfs_create_bin_file(&shost->shost_classdev.kobj,
1885 goto out_remove_ctlreg_attr;
1888 out_remove_ctlreg_attr:
1889 sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_ctlreg_attr);
1895 lpfc_free_sysfs_attr(struct lpfc_vport *vport)
1897 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1899 sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_mbox_attr);
1900 sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_ctlreg_attr);
1905 * Dynamic FC Host Attributes Support
1909 lpfc_get_host_port_id(struct Scsi_Host *shost)
1911 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1913 /* note: fc_myDID already in cpu endianness */
1914 fc_host_port_id(shost) = vport->fc_myDID;
1918 lpfc_get_host_port_type(struct Scsi_Host *shost)
1920 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1921 struct lpfc_hba *phba = vport->phba;
1923 spin_lock_irq(shost->host_lock);
1925 if (vport->port_type == LPFC_NPIV_PORT) {
1926 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1927 } else if (lpfc_is_link_up(phba)) {
1928 if (phba->fc_topology == TOPOLOGY_LOOP) {
1929 if (vport->fc_flag & FC_PUBLIC_LOOP)
1930 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
1932 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
1934 if (vport->fc_flag & FC_FABRIC)
1935 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
1937 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
1940 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
1942 spin_unlock_irq(shost->host_lock);
1946 lpfc_get_host_port_state(struct Scsi_Host *shost)
1948 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1949 struct lpfc_hba *phba = vport->phba;
1951 spin_lock_irq(shost->host_lock);
1953 if (vport->fc_flag & FC_OFFLINE_MODE)
1954 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1956 switch (phba->link_state) {
1957 case LPFC_LINK_UNKNOWN:
1958 case LPFC_LINK_DOWN:
1959 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1963 case LPFC_HBA_READY:
1964 /* Links up, beyond this port_type reports state */
1965 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1967 case LPFC_HBA_ERROR:
1968 fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
1971 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1976 spin_unlock_irq(shost->host_lock);
1980 lpfc_get_host_speed(struct Scsi_Host *shost)
1982 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1983 struct lpfc_hba *phba = vport->phba;
1985 spin_lock_irq(shost->host_lock);
1987 if (lpfc_is_link_up(phba)) {
1988 switch(phba->fc_linkspeed) {
1990 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
1993 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
1996 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
1999 fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
2002 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
2007 spin_unlock_irq(shost->host_lock);
2011 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
2013 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2014 struct lpfc_hba *phba = vport->phba;
2017 spin_lock_irq(shost->host_lock);
2019 if ((vport->fc_flag & FC_FABRIC) ||
2020 ((phba->fc_topology == TOPOLOGY_LOOP) &&
2021 (vport->fc_flag & FC_PUBLIC_LOOP)))
2022 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
2024 /* fabric is local port if there is no F/FL_Port */
2025 node_name = wwn_to_u64(vport->fc_nodename.u.wwn);
2027 spin_unlock_irq(shost->host_lock);
2029 fc_host_fabric_name(shost) = node_name;
2032 static struct fc_host_statistics *
2033 lpfc_get_stats(struct Scsi_Host *shost)
2035 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2036 struct lpfc_hba *phba = vport->phba;
2037 struct lpfc_sli *psli = &phba->sli;
2038 struct fc_host_statistics *hs = &phba->link_stats;
2039 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
2040 LPFC_MBOXQ_t *pmboxq;
2042 unsigned long seconds;
2046 * prevent udev from issuing mailbox commands until the port is
2049 if (phba->link_state < LPFC_LINK_DOWN ||
2050 !phba->mbox_mem_pool ||
2051 (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0)
2054 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
2057 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2060 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
2063 pmb->mbxCommand = MBX_READ_STATUS;
2064 pmb->mbxOwner = OWN_HOST;
2065 pmboxq->context1 = NULL;
2066 pmboxq->vport = vport;
2068 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
2069 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
2070 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
2072 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2074 if (rc != MBX_SUCCESS) {
2075 if (rc != MBX_TIMEOUT)
2076 mempool_free(pmboxq, phba->mbox_mem_pool);
2080 memset(hs, 0, sizeof (struct fc_host_statistics));
2082 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
2083 hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
2084 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
2085 hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
2087 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
2088 pmb->mbxCommand = MBX_READ_LNK_STAT;
2089 pmb->mbxOwner = OWN_HOST;
2090 pmboxq->context1 = NULL;
2091 pmboxq->vport = vport;
2093 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
2094 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
2095 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
2097 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2099 if (rc != MBX_SUCCESS) {
2100 if (rc != MBX_TIMEOUT)
2101 mempool_free(pmboxq, phba->mbox_mem_pool);
2105 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
2106 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
2107 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
2108 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
2109 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
2110 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
2111 hs->error_frames = pmb->un.varRdLnk.crcCnt;
2113 hs->link_failure_count -= lso->link_failure_count;
2114 hs->loss_of_sync_count -= lso->loss_of_sync_count;
2115 hs->loss_of_signal_count -= lso->loss_of_signal_count;
2116 hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
2117 hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
2118 hs->invalid_crc_count -= lso->invalid_crc_count;
2119 hs->error_frames -= lso->error_frames;
2121 if (phba->fc_topology == TOPOLOGY_LOOP) {
2122 hs->lip_count = (phba->fc_eventTag >> 1);
2123 hs->lip_count -= lso->link_events;
2127 hs->nos_count = (phba->fc_eventTag >> 1);
2128 hs->nos_count -= lso->link_events;
2131 hs->dumped_frames = -1;
2133 seconds = get_seconds();
2134 if (seconds < psli->stats_start)
2135 hs->seconds_since_last_reset = seconds +
2136 ((unsigned long)-1 - psli->stats_start);
2138 hs->seconds_since_last_reset = seconds - psli->stats_start;
2140 mempool_free(pmboxq, phba->mbox_mem_pool);
2146 lpfc_reset_stats(struct Scsi_Host *shost)
2148 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2149 struct lpfc_hba *phba = vport->phba;
2150 struct lpfc_sli *psli = &phba->sli;
2151 struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets;
2152 LPFC_MBOXQ_t *pmboxq;
2156 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
2159 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2162 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
2165 pmb->mbxCommand = MBX_READ_STATUS;
2166 pmb->mbxOwner = OWN_HOST;
2167 pmb->un.varWords[0] = 0x1; /* reset request */
2168 pmboxq->context1 = NULL;
2169 pmboxq->vport = vport;
2171 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
2172 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
2173 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
2175 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2177 if (rc != MBX_SUCCESS) {
2178 if (rc != MBX_TIMEOUT)
2179 mempool_free(pmboxq, phba->mbox_mem_pool);
2183 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
2184 pmb->mbxCommand = MBX_READ_LNK_STAT;
2185 pmb->mbxOwner = OWN_HOST;
2186 pmboxq->context1 = NULL;
2187 pmboxq->vport = vport;
2189 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
2190 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
2191 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
2193 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2195 if (rc != MBX_SUCCESS) {
2196 if (rc != MBX_TIMEOUT)
2197 mempool_free( pmboxq, phba->mbox_mem_pool);
2201 lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
2202 lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
2203 lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
2204 lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
2205 lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
2206 lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
2207 lso->error_frames = pmb->un.varRdLnk.crcCnt;
2208 lso->link_events = (phba->fc_eventTag >> 1);
2210 psli->stats_start = get_seconds();
2212 mempool_free(pmboxq, phba->mbox_mem_pool);
2218 * The LPFC driver treats linkdown handling as target loss events so there
2219 * are no sysfs handlers for link_down_tmo.
2222 static struct lpfc_nodelist *
2223 lpfc_get_node_by_target(struct scsi_target *starget)
2225 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
2226 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2227 struct lpfc_nodelist *ndlp;
2229 spin_lock_irq(shost->host_lock);
2230 /* Search for this, mapped, target ID */
2231 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
2232 if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
2233 starget->id == ndlp->nlp_sid) {
2234 spin_unlock_irq(shost->host_lock);
2238 spin_unlock_irq(shost->host_lock);
2243 lpfc_get_starget_port_id(struct scsi_target *starget)
2245 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2247 fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
2251 lpfc_get_starget_node_name(struct scsi_target *starget)
2253 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2255 fc_starget_node_name(starget) =
2256 ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
2260 lpfc_get_starget_port_name(struct scsi_target *starget)
2262 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2264 fc_starget_port_name(starget) =
2265 ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
2269 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
2272 rport->dev_loss_tmo = timeout;
2274 rport->dev_loss_tmo = 1;
2278 #define lpfc_rport_show_function(field, format_string, sz, cast) \
2280 lpfc_show_rport_##field (struct class_device *cdev, char *buf) \
2282 struct fc_rport *rport = transport_class_to_rport(cdev); \
2283 struct lpfc_rport_data *rdata = rport->hostdata; \
2284 return snprintf(buf, sz, format_string, \
2285 (rdata->target) ? cast rdata->target->field : 0); \
2288 #define lpfc_rport_rd_attr(field, format_string, sz) \
2289 lpfc_rport_show_function(field, format_string, sz, ) \
2290 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
2293 struct fc_function_template lpfc_transport_functions = {
2294 /* fixed attributes the driver supports */
2295 .show_host_node_name = 1,
2296 .show_host_port_name = 1,
2297 .show_host_supported_classes = 1,
2298 .show_host_supported_fc4s = 1,
2299 .show_host_supported_speeds = 1,
2300 .show_host_maxframe_size = 1,
2302 /* dynamic attributes the driver supports */
2303 .get_host_port_id = lpfc_get_host_port_id,
2304 .show_host_port_id = 1,
2306 .get_host_port_type = lpfc_get_host_port_type,
2307 .show_host_port_type = 1,
2309 .get_host_port_state = lpfc_get_host_port_state,
2310 .show_host_port_state = 1,
2312 /* active_fc4s is shown but doesn't change (thus no get function) */
2313 .show_host_active_fc4s = 1,
2315 .get_host_speed = lpfc_get_host_speed,
2316 .show_host_speed = 1,
2318 .get_host_fabric_name = lpfc_get_host_fabric_name,
2319 .show_host_fabric_name = 1,
2322 * The LPFC driver treats linkdown handling as target loss events
2323 * so there are no sysfs handlers for link_down_tmo.
2326 .get_fc_host_stats = lpfc_get_stats,
2327 .reset_fc_host_stats = lpfc_reset_stats,
2329 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
2330 .show_rport_maxframe_size = 1,
2331 .show_rport_supported_classes = 1,
2333 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
2334 .show_rport_dev_loss_tmo = 1,
2336 .get_starget_port_id = lpfc_get_starget_port_id,
2337 .show_starget_port_id = 1,
2339 .get_starget_node_name = lpfc_get_starget_node_name,
2340 .show_starget_node_name = 1,
2342 .get_starget_port_name = lpfc_get_starget_port_name,
2343 .show_starget_port_name = 1,
2345 .issue_fc_host_lip = lpfc_issue_lip,
2346 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
2347 .terminate_rport_io = lpfc_terminate_rport_io,
2349 .vport_create = lpfc_vport_create,
2350 .vport_delete = lpfc_vport_delete,
2351 .dd_fcvport_size = sizeof(struct lpfc_vport *),
2354 struct fc_function_template lpfc_vport_transport_functions = {
2355 /* fixed attributes the driver supports */
2356 .show_host_node_name = 1,
2357 .show_host_port_name = 1,
2358 .show_host_supported_classes = 1,
2359 .show_host_supported_fc4s = 1,
2360 .show_host_supported_speeds = 1,
2361 .show_host_maxframe_size = 1,
2363 /* dynamic attributes the driver supports */
2364 .get_host_port_id = lpfc_get_host_port_id,
2365 .show_host_port_id = 1,
2367 .get_host_port_type = lpfc_get_host_port_type,
2368 .show_host_port_type = 1,
2370 .get_host_port_state = lpfc_get_host_port_state,
2371 .show_host_port_state = 1,
2373 /* active_fc4s is shown but doesn't change (thus no get function) */
2374 .show_host_active_fc4s = 1,
2376 .get_host_speed = lpfc_get_host_speed,
2377 .show_host_speed = 1,
2379 .get_host_fabric_name = lpfc_get_host_fabric_name,
2380 .show_host_fabric_name = 1,
2383 * The LPFC driver treats linkdown handling as target loss events
2384 * so there are no sysfs handlers for link_down_tmo.
2387 .get_fc_host_stats = lpfc_get_stats,
2388 .reset_fc_host_stats = lpfc_reset_stats,
2390 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
2391 .show_rport_maxframe_size = 1,
2392 .show_rport_supported_classes = 1,
2394 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
2395 .show_rport_dev_loss_tmo = 1,
2397 .get_starget_port_id = lpfc_get_starget_port_id,
2398 .show_starget_port_id = 1,
2400 .get_starget_node_name = lpfc_get_starget_node_name,
2401 .show_starget_node_name = 1,
2403 .get_starget_port_name = lpfc_get_starget_port_name,
2404 .show_starget_port_name = 1,
2406 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
2407 .terminate_rport_io = lpfc_terminate_rport_io,
2409 .vport_disable = lpfc_vport_disable,
2413 lpfc_get_cfgparam(struct lpfc_hba *phba)
2415 lpfc_cr_delay_init(phba, lpfc_cr_delay);
2416 lpfc_cr_count_init(phba, lpfc_cr_count);
2417 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
2418 lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
2419 lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
2420 lpfc_ack0_init(phba, lpfc_ack0);
2421 lpfc_topology_init(phba, lpfc_topology);
2422 lpfc_link_speed_init(phba, lpfc_link_speed);
2423 lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
2424 lpfc_enable_npiv_init(phba, lpfc_enable_npiv);
2425 lpfc_use_msi_init(phba, lpfc_use_msi);
2426 phba->cfg_poll = lpfc_poll;
2427 phba->cfg_soft_wwnn = 0L;
2428 phba->cfg_soft_wwpn = 0L;
2430 * The total number of segments is the configuration value plus 2
2431 * since the IOCB need a command and response bde.
2433 phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
2435 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
2436 * used to create the sg_dma_buf_pool must be dynamically calculated
2438 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
2439 sizeof(struct fcp_rsp) +
2440 (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
2441 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
2446 lpfc_get_vport_cfgparam(struct lpfc_vport *vport)
2448 lpfc_log_verbose_init(vport, lpfc_log_verbose);
2449 lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth);
2450 lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo);
2451 lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo);
2452 lpfc_peer_port_login_init(vport, lpfc_peer_port_login);
2453 lpfc_restrict_login_init(vport, lpfc_restrict_login);
2454 lpfc_fcp_class_init(vport, lpfc_fcp_class);
2455 lpfc_use_adisc_init(vport, lpfc_use_adisc);
2456 lpfc_fdmi_on_init(vport, lpfc_fdmi_on);
2457 lpfc_discovery_threads_init(vport, lpfc_discovery_threads);
2458 lpfc_max_luns_init(vport, lpfc_max_luns);
2459 lpfc_scan_down_init(vport, lpfc_scan_down);