1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2006 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/pci.h>
24 #include <linux/interrupt.h>
26 #include <scsi/scsi.h>
27 #include <scsi/scsi_device.h>
28 #include <scsi/scsi_host.h>
29 #include <scsi/scsi_tcq.h>
30 #include <scsi/scsi_transport_fc.h>
34 #include "lpfc_disc.h"
35 #include "lpfc_scsi.h"
37 #include "lpfc_logmsg.h"
38 #include "lpfc_version.h"
39 #include "lpfc_compat.h"
40 #include "lpfc_crtn.h"
42 #define LPFC_DEF_DEVLOSS_TMO 30
43 #define LPFC_MIN_DEVLOSS_TMO 1
44 #define LPFC_MAX_DEVLOSS_TMO 255
47 lpfc_jedec_to_ascii(int incr, char hdw[])
50 for (i = 0; i < 8; i++) {
53 hdw[7 - i] = 0x30 + j;
55 hdw[7 - i] = 0x61 + j - 10;
63 lpfc_drvr_version_show(struct class_device *cdev, char *buf)
65 return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
69 management_version_show(struct class_device *cdev, char *buf)
71 return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n");
75 lpfc_info_show(struct class_device *cdev, char *buf)
77 struct Scsi_Host *host = class_to_shost(cdev);
78 return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
82 lpfc_serialnum_show(struct class_device *cdev, char *buf)
84 struct Scsi_Host *host = class_to_shost(cdev);
85 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
86 return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
90 lpfc_modeldesc_show(struct class_device *cdev, char *buf)
92 struct Scsi_Host *host = class_to_shost(cdev);
93 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
94 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
98 lpfc_modelname_show(struct class_device *cdev, char *buf)
100 struct Scsi_Host *host = class_to_shost(cdev);
101 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
102 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
106 lpfc_programtype_show(struct class_device *cdev, char *buf)
108 struct Scsi_Host *host = class_to_shost(cdev);
109 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
110 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
114 lpfc_portnum_show(struct class_device *cdev, char *buf)
116 struct Scsi_Host *host = class_to_shost(cdev);
117 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
118 return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
122 lpfc_fwrev_show(struct class_device *cdev, char *buf)
124 struct Scsi_Host *host = class_to_shost(cdev);
125 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
127 lpfc_decode_firmware_rev(phba, fwrev, 1);
128 return snprintf(buf, PAGE_SIZE, "%s\n",fwrev);
132 lpfc_hdw_show(struct class_device *cdev, char *buf)
135 struct Scsi_Host *host = class_to_shost(cdev);
136 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
137 lpfc_vpd_t *vp = &phba->vpd;
138 lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
139 return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
142 lpfc_option_rom_version_show(struct class_device *cdev, char *buf)
144 struct Scsi_Host *host = class_to_shost(cdev);
145 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
146 return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
149 lpfc_state_show(struct class_device *cdev, char *buf)
151 struct Scsi_Host *host = class_to_shost(cdev);
152 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
154 switch (phba->hba_state) {
155 case LPFC_STATE_UNKNOWN:
156 case LPFC_WARM_START:
157 case LPFC_INIT_START:
158 case LPFC_INIT_MBX_CMDS:
160 len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
163 case LPFC_LOCAL_CFG_LINK:
164 len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n");
167 case LPFC_FABRIC_CFG_LINK:
170 case LPFC_BUILD_DISC_LIST:
173 len += snprintf(buf + len, PAGE_SIZE-len,
174 "Link Up - Discovery\n");
177 len += snprintf(buf + len, PAGE_SIZE-len,
178 "Link Up - Ready:\n");
179 if (phba->fc_topology == TOPOLOGY_LOOP) {
180 if (phba->fc_flag & FC_PUBLIC_LOOP)
181 len += snprintf(buf + len, PAGE_SIZE-len,
184 len += snprintf(buf + len, PAGE_SIZE-len,
187 if (phba->fc_flag & FC_FABRIC)
188 len += snprintf(buf + len, PAGE_SIZE-len,
191 len += snprintf(buf + len, PAGE_SIZE-len,
199 lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf)
201 struct Scsi_Host *host = class_to_shost(cdev);
202 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
203 return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt +
209 lpfc_issue_lip(struct Scsi_Host *host)
211 struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata;
212 LPFC_MBOXQ_t *pmboxq;
213 int mbxstatus = MBXERR_ERROR;
215 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
216 (phba->hba_state != LPFC_HBA_READY))
219 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
224 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
225 pmboxq->mb.mbxCommand = MBX_DOWN_LINK;
226 pmboxq->mb.mbxOwner = OWN_HOST;
228 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
230 if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) {
231 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
232 lpfc_init_link(phba, pmboxq, phba->cfg_topology,
233 phba->cfg_link_speed);
234 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
238 if (mbxstatus == MBX_TIMEOUT)
239 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
241 mempool_free(pmboxq, phba->mbox_mem_pool);
243 if (mbxstatus == MBXERR_ERROR)
250 lpfc_selective_reset(struct lpfc_hba *phba)
252 struct completion online_compl;
255 init_completion(&online_compl);
256 lpfc_workq_post_event(phba, &status, &online_compl,
258 wait_for_completion(&online_compl);
263 init_completion(&online_compl);
264 lpfc_workq_post_event(phba, &status, &online_compl,
266 wait_for_completion(&online_compl);
275 lpfc_issue_reset(struct class_device *cdev, const char *buf, size_t count)
277 struct Scsi_Host *host = class_to_shost(cdev);
278 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
279 int status = -EINVAL;
281 if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
282 status = lpfc_selective_reset(phba);
291 lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
293 struct Scsi_Host *host = class_to_shost(cdev);
294 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
295 return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
299 lpfc_board_mode_show(struct class_device *cdev, char *buf)
301 struct Scsi_Host *host = class_to_shost(cdev);
302 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
305 if (phba->hba_state == LPFC_HBA_ERROR)
307 else if (phba->hba_state == LPFC_WARM_START)
308 state = "warm start";
309 else if (phba->hba_state == LPFC_INIT_START)
314 return snprintf(buf, PAGE_SIZE, "%s\n", state);
318 lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count)
320 struct Scsi_Host *host = class_to_shost(cdev);
321 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
322 struct completion online_compl;
325 init_completion(&online_compl);
327 if(strncmp(buf, "online", sizeof("online") - 1) == 0)
328 lpfc_workq_post_event(phba, &status, &online_compl,
330 else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
331 lpfc_workq_post_event(phba, &status, &online_compl,
333 else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
334 lpfc_workq_post_event(phba, &status, &online_compl,
335 LPFC_EVT_WARM_START);
336 else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
337 lpfc_workq_post_event(phba, &status, &online_compl,
342 wait_for_completion(&online_compl);
351 lpfc_poll_show(struct class_device *cdev, char *buf)
353 struct Scsi_Host *host = class_to_shost(cdev);
354 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
356 return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
360 lpfc_poll_store(struct class_device *cdev, const char *buf,
363 struct Scsi_Host *host = class_to_shost(cdev);
364 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
369 if (!isdigit(buf[0]))
372 if (sscanf(buf, "%i", &val) != 1)
375 if ((val & 0x3) != val)
378 spin_lock_irq(phba->host->host_lock);
380 old_val = phba->cfg_poll;
382 if (val & ENABLE_FCP_RING_POLLING) {
383 if ((val & DISABLE_FCP_RING_INT) &&
384 !(old_val & DISABLE_FCP_RING_INT)) {
385 creg_val = readl(phba->HCregaddr);
386 creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
387 writel(creg_val, phba->HCregaddr);
388 readl(phba->HCregaddr); /* flush */
390 lpfc_poll_start_timer(phba);
392 } else if (val != 0x0) {
393 spin_unlock_irq(phba->host->host_lock);
397 if (!(val & DISABLE_FCP_RING_INT) &&
398 (old_val & DISABLE_FCP_RING_INT))
400 spin_unlock_irq(phba->host->host_lock);
401 del_timer(&phba->fcp_poll_timer);
402 spin_lock_irq(phba->host->host_lock);
403 creg_val = readl(phba->HCregaddr);
404 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
405 writel(creg_val, phba->HCregaddr);
406 readl(phba->HCregaddr); /* flush */
409 phba->cfg_poll = val;
411 spin_unlock_irq(phba->host->host_lock);
416 #define lpfc_param_show(attr) \
418 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
420 struct Scsi_Host *host = class_to_shost(cdev);\
421 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\
423 val = phba->cfg_##attr;\
424 return snprintf(buf, PAGE_SIZE, "%d\n",\
428 #define lpfc_param_hex_show(attr) \
430 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
432 struct Scsi_Host *host = class_to_shost(cdev);\
433 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\
435 val = phba->cfg_##attr;\
436 return snprintf(buf, PAGE_SIZE, "%#x\n",\
440 #define lpfc_param_init(attr, default, minval, maxval) \
442 lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
444 if (val >= minval && val <= maxval) {\
445 phba->cfg_##attr = val;\
448 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
449 "%d:0449 lpfc_"#attr" attribute cannot be set to %d, "\
450 "allowed range is ["#minval", "#maxval"]\n", \
451 phba->brd_no, val); \
452 phba->cfg_##attr = default;\
456 #define lpfc_param_set(attr, default, minval, maxval) \
458 lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
460 if (val >= minval && val <= maxval) {\
461 phba->cfg_##attr = val;\
464 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
465 "%d:0450 lpfc_"#attr" attribute cannot be set to %d, "\
466 "allowed range is ["#minval", "#maxval"]\n", \
467 phba->brd_no, val); \
471 #define lpfc_param_store(attr) \
473 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
475 struct Scsi_Host *host = class_to_shost(cdev);\
476 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\
478 if (!isdigit(buf[0]))\
480 if (sscanf(buf, "%i", &val) != 1)\
482 if (lpfc_##attr##_set(phba, val) == 0) \
488 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
489 static int lpfc_##name = defval;\
490 module_param(lpfc_##name, int, 0);\
491 MODULE_PARM_DESC(lpfc_##name, desc);\
492 lpfc_param_init(name, defval, minval, maxval)
494 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
495 static int lpfc_##name = defval;\
496 module_param(lpfc_##name, int, 0);\
497 MODULE_PARM_DESC(lpfc_##name, desc);\
498 lpfc_param_show(name)\
499 lpfc_param_init(name, defval, minval, maxval)\
500 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
502 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
503 static int lpfc_##name = defval;\
504 module_param(lpfc_##name, int, 0);\
505 MODULE_PARM_DESC(lpfc_##name, desc);\
506 lpfc_param_show(name)\
507 lpfc_param_init(name, defval, minval, maxval)\
508 lpfc_param_set(name, defval, minval, maxval)\
509 lpfc_param_store(name)\
510 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
511 lpfc_##name##_show, lpfc_##name##_store)
513 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
514 static int lpfc_##name = defval;\
515 module_param(lpfc_##name, int, 0);\
516 MODULE_PARM_DESC(lpfc_##name, desc);\
517 lpfc_param_hex_show(name)\
518 lpfc_param_init(name, defval, minval, maxval)\
519 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
521 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
522 static int lpfc_##name = defval;\
523 module_param(lpfc_##name, int, 0);\
524 MODULE_PARM_DESC(lpfc_##name, desc);\
525 lpfc_param_hex_show(name)\
526 lpfc_param_init(name, defval, minval, maxval)\
527 lpfc_param_set(name, defval, minval, maxval)\
528 lpfc_param_store(name)\
529 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
530 lpfc_##name##_show, lpfc_##name##_store)
532 static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
533 static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
534 static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
535 static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
536 static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
537 static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL);
538 static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
539 static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
540 static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
541 static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
542 lpfc_option_rom_version_show, NULL);
543 static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
544 lpfc_num_discovered_ports_show, NULL);
545 static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
546 static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
548 static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
550 static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
551 lpfc_board_mode_show, lpfc_board_mode_store);
552 static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
555 static char *lpfc_soft_wwpn_key = "C99G71SL8032A";
558 lpfc_soft_wwpn_enable_store(struct class_device *cdev, const char *buf,
561 struct Scsi_Host *host = class_to_shost(cdev);
562 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
563 unsigned int cnt = count;
566 * We're doing a simple sanity check for soft_wwpn setting.
567 * We require that the user write a specific key to enable
568 * the soft_wwpn attribute to be settable. Once the attribute
569 * is written, the enable key resets. If further updates are
570 * desired, the key must be written again to re-enable the
573 * The "key" is not secret - it is a hardcoded string shown
574 * here. The intent is to protect against the random user or
575 * application that is just writing attributes.
578 /* count may include a LF at end of string */
579 if (buf[cnt-1] == '\n')
582 if ((cnt != strlen(lpfc_soft_wwpn_key)) ||
583 (strncmp(buf, lpfc_soft_wwpn_key, strlen(lpfc_soft_wwpn_key)) != 0))
586 phba->soft_wwpn_enable = 1;
589 static CLASS_DEVICE_ATTR(lpfc_soft_wwpn_enable, S_IWUSR, NULL,
590 lpfc_soft_wwpn_enable_store);
593 lpfc_soft_wwpn_show(struct class_device *cdev, char *buf)
595 struct Scsi_Host *host = class_to_shost(cdev);
596 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
597 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
598 (unsigned long long)phba->cfg_soft_wwpn);
603 lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
605 struct Scsi_Host *host = class_to_shost(cdev);
606 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
607 struct completion online_compl;
608 int stat1=0, stat2=0;
609 unsigned int i, j, cnt=count;
612 /* count may include a LF at end of string */
613 if (buf[cnt-1] == '\n')
616 if (!phba->soft_wwpn_enable || (cnt < 16) || (cnt > 18) ||
617 ((cnt == 17) && (*buf++ != 'x')) ||
618 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
621 phba->soft_wwpn_enable = 0;
623 memset(wwpn, 0, sizeof(wwpn));
625 /* Validate and store the new name */
626 for (i=0, j=0; i < 16; i++) {
627 if ((*buf >= 'a') && (*buf <= 'f'))
628 j = ((j << 4) | ((*buf++ -'a') + 10));
629 else if ((*buf >= 'A') && (*buf <= 'F'))
630 j = ((j << 4) | ((*buf++ -'A') + 10));
631 else if ((*buf >= '0') && (*buf <= '9'))
632 j = ((j << 4) | (*buf++ -'0'));
636 wwpn[i/2] = j & 0xff;
640 phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
641 fc_host_port_name(host) = phba->cfg_soft_wwpn;
643 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
644 "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
646 init_completion(&online_compl);
647 lpfc_workq_post_event(phba, &stat1, &online_compl, LPFC_EVT_OFFLINE);
648 wait_for_completion(&online_compl);
650 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
651 "%d:0463 lpfc_soft_wwpn attribute set failed to reinit "
652 "adapter - %d\n", phba->brd_no, stat1);
654 init_completion(&online_compl);
655 lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE);
656 wait_for_completion(&online_compl);
658 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
659 "%d:0464 lpfc_soft_wwpn attribute set failed to reinit "
660 "adapter - %d\n", phba->brd_no, stat2);
662 return (stat1 || stat2) ? -EIO : count;
664 static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
665 lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
668 static int lpfc_poll = 0;
669 module_param(lpfc_poll, int, 0);
670 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
672 " 1 - poll with interrupts enabled"
673 " 3 - poll and disable FCP ring interrupts");
675 static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
676 lpfc_poll_show, lpfc_poll_store);
679 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
680 # until the timer expires. Value range is [0,255]. Default value is 30.
682 static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
683 static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
684 module_param(lpfc_nodev_tmo, int, 0);
685 MODULE_PARM_DESC(lpfc_nodev_tmo,
686 "Seconds driver will hold I/O waiting "
687 "for a device to come back");
689 lpfc_nodev_tmo_show(struct class_device *cdev, char *buf)
691 struct Scsi_Host *host = class_to_shost(cdev);
692 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
694 val = phba->cfg_devloss_tmo;
695 return snprintf(buf, PAGE_SIZE, "%d\n",
696 phba->cfg_devloss_tmo);
700 lpfc_nodev_tmo_init(struct lpfc_hba *phba, int val)
703 if (phba->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) {
704 phba->cfg_nodev_tmo = phba->cfg_devloss_tmo;
705 if (!warned && val != LPFC_DEF_DEVLOSS_TMO) {
707 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
708 "%d:0402 Ignoring nodev_tmo module "
709 "parameter because devloss_tmo is"
716 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
717 phba->cfg_nodev_tmo = val;
718 phba->cfg_devloss_tmo = val;
721 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
722 "%d:0400 lpfc_nodev_tmo attribute cannot be set to %d, "
723 "allowed range is [%d, %d]\n",
725 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
726 phba->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
731 lpfc_nodev_tmo_set(struct lpfc_hba *phba, int val)
733 if (phba->dev_loss_tmo_changed ||
734 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
735 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
736 "%d:0401 Ignoring change to nodev_tmo "
737 "because devloss_tmo is set.\n",
742 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
743 phba->cfg_nodev_tmo = val;
744 phba->cfg_devloss_tmo = val;
748 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
749 "%d:0403 lpfc_nodev_tmo attribute cannot be set to %d, "
750 "allowed range is [%d, %d]\n",
751 phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
752 LPFC_MAX_DEVLOSS_TMO);
756 lpfc_param_store(nodev_tmo)
758 static CLASS_DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
759 lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
762 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
763 # disappear until the timer expires. Value range is [0,255]. Default
766 module_param(lpfc_devloss_tmo, int, 0);
767 MODULE_PARM_DESC(lpfc_devloss_tmo,
768 "Seconds driver will hold I/O waiting "
769 "for a device to come back");
770 lpfc_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
771 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
772 lpfc_param_show(devloss_tmo)
774 lpfc_devloss_tmo_set(struct lpfc_hba *phba, int val)
776 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
777 phba->cfg_nodev_tmo = val;
778 phba->cfg_devloss_tmo = val;
779 phba->dev_loss_tmo_changed = 1;
783 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
784 "%d:0404 lpfc_devloss_tmo attribute cannot be set to"
785 " %d, allowed range is [%d, %d]\n",
786 phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
787 LPFC_MAX_DEVLOSS_TMO);
791 lpfc_param_store(devloss_tmo)
792 static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
793 lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
796 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
797 # deluged with LOTS of information.
798 # You can set a bit mask to record specific types of verbose messages:
800 # LOG_ELS 0x1 ELS events
801 # LOG_DISCOVERY 0x2 Link discovery events
802 # LOG_MBOX 0x4 Mailbox events
803 # LOG_INIT 0x8 Initialization events
804 # LOG_LINK_EVENT 0x10 Link events
805 # LOG_IP 0x20 IP traffic history
806 # LOG_FCP 0x40 FCP traffic history
807 # LOG_NODE 0x80 Node table events
808 # LOG_MISC 0x400 Miscellaneous events
809 # LOG_SLI 0x800 SLI events
810 # LOG_CHK_COND 0x1000 FCP Check condition flag
811 # LOG_LIBDFC 0x2000 LIBDFC events
812 # LOG_ALL_MSG 0xffff LOG all messages
814 LPFC_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
817 # lun_queue_depth: This parameter is used to limit the number of outstanding
818 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
820 LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
821 "Max number of FCP commands we can queue to a specific LUN");
824 # hba_queue_depth: This parameter is used to limit the number of outstanding
825 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
826 # value is greater than the maximum number of exchanges supported by the HBA,
827 # then maximum number of exchanges supported by the HBA is used to determine
828 # the hba_queue_depth.
830 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
831 "Max number of FCP commands we can queue to a lpfc HBA");
834 # Some disk devices have a "select ID" or "select Target" capability.
835 # From a protocol standpoint "select ID" usually means select the
836 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
837 # annex" which contains a table that maps a "select ID" (a number
838 # between 0 and 7F) to an ALPA. By default, for compatibility with
839 # older drivers, the lpfc driver scans this table from low ALPA to high
842 # Turning on the scan-down variable (on = 1, off = 0) will
843 # cause the lpfc driver to use an inverted table, effectively
844 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
846 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
847 # and will not work across a fabric. Also this parameter will take
848 # effect only in the case when ALPA map is not available.)
850 LPFC_ATTR_R(scan_down, 1, 0, 1,
851 "Start scanning for devices from highest ALPA to lowest");
854 # lpfc_topology: link topology for init link
855 # 0x0 = attempt loop mode then point-to-point
856 # 0x01 = internal loopback mode
857 # 0x02 = attempt point-to-point mode only
858 # 0x04 = attempt loop mode only
859 # 0x06 = attempt point-to-point mode then loop
860 # Set point-to-point mode if you want to run as an N_Port.
861 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
862 # Default value is 0.
864 LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology");
867 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
869 # 0 = auto select (default)
873 # Value range is [0,4]. Default value is 0.
875 LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed");
878 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
879 # Value range is [2,3]. Default value is 3.
881 LPFC_ATTR_R(fcp_class, 3, 2, 3,
882 "Select Fibre Channel class of service for FCP sequences");
885 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
886 # is [0,1]. Default value is 0.
888 LPFC_ATTR_RW(use_adisc, 0, 0, 1,
889 "Use ADISC on rediscovery to authenticate FCP devices");
892 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
893 # range is [0,1]. Default value is 0.
895 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
898 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
899 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
900 # value [0,63]. cr_count can take value [0,255]. Default value of cr_delay
901 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
902 # cr_delay is set to 0.
904 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
905 "interrupt response is generated");
907 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
908 "interrupt response is generated");
911 # lpfc_multi_ring_support: Determines how many rings to spread available
912 # cmd/rsp IOCB entries across.
913 # Value range is [1,2]. Default value is 1.
915 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
916 "SLI rings to spread IOCB entries across");
919 # lpfc_fdmi_on: controls FDMI support.
920 # 0 = no FDMI support
921 # 1 = support FDMI without attribute of hostname
922 # 2 = support FDMI with attribute of hostname
923 # Value range [0,2]. Default value is 0.
925 LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
928 # Specifies the maximum number of ELS cmds we can have outstanding (for
929 # discovery). Value range is [1,64]. Default value = 32.
931 LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
935 # lpfc_max_luns: maximum allowed LUN.
936 # Value range is [0,65535]. Default value is 255.
937 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
939 LPFC_ATTR_R(max_luns, 255, 0, 65535,
940 "Maximum allowed LUN");
943 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
944 # Value range is [1,255], default value is 10.
946 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
947 "Milliseconds driver will wait between polling FCP ring");
950 struct class_device_attribute *lpfc_host_attrs[] = {
951 &class_device_attr_info,
952 &class_device_attr_serialnum,
953 &class_device_attr_modeldesc,
954 &class_device_attr_modelname,
955 &class_device_attr_programtype,
956 &class_device_attr_portnum,
957 &class_device_attr_fwrev,
958 &class_device_attr_hdw,
959 &class_device_attr_option_rom_version,
960 &class_device_attr_state,
961 &class_device_attr_num_discovered_ports,
962 &class_device_attr_lpfc_drvr_version,
963 &class_device_attr_lpfc_log_verbose,
964 &class_device_attr_lpfc_lun_queue_depth,
965 &class_device_attr_lpfc_hba_queue_depth,
966 &class_device_attr_lpfc_nodev_tmo,
967 &class_device_attr_lpfc_devloss_tmo,
968 &class_device_attr_lpfc_fcp_class,
969 &class_device_attr_lpfc_use_adisc,
970 &class_device_attr_lpfc_ack0,
971 &class_device_attr_lpfc_topology,
972 &class_device_attr_lpfc_scan_down,
973 &class_device_attr_lpfc_link_speed,
974 &class_device_attr_lpfc_cr_delay,
975 &class_device_attr_lpfc_cr_count,
976 &class_device_attr_lpfc_multi_ring_support,
977 &class_device_attr_lpfc_fdmi_on,
978 &class_device_attr_lpfc_max_luns,
979 &class_device_attr_nport_evt_cnt,
980 &class_device_attr_management_version,
981 &class_device_attr_board_mode,
982 &class_device_attr_issue_reset,
983 &class_device_attr_lpfc_poll,
984 &class_device_attr_lpfc_poll_tmo,
985 &class_device_attr_lpfc_soft_wwpn,
986 &class_device_attr_lpfc_soft_wwpn_enable,
991 sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
994 struct Scsi_Host *host = class_to_shost(container_of(kobj,
995 struct class_device, kobj));
996 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
998 if ((off + count) > FF_REG_AREA_SIZE)
1001 if (count == 0) return 0;
1003 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1006 spin_lock_irq(phba->host->host_lock);
1008 if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
1009 spin_unlock_irq(phba->host->host_lock);
1013 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
1014 writel(*((uint32_t *)(buf + buf_off)),
1015 phba->ctrl_regs_memmap_p + off + buf_off);
1017 spin_unlock_irq(phba->host->host_lock);
1023 sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
1027 struct Scsi_Host *host = class_to_shost(container_of(kobj,
1028 struct class_device, kobj));
1029 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
1031 if (off > FF_REG_AREA_SIZE)
1034 if ((off + count) > FF_REG_AREA_SIZE)
1035 count = FF_REG_AREA_SIZE - off;
1037 if (count == 0) return 0;
1039 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1042 spin_lock_irq(phba->host->host_lock);
1044 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
1045 tmp_ptr = (uint32_t *)(buf + buf_off);
1046 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
1049 spin_unlock_irq(phba->host->host_lock);
1054 static struct bin_attribute sysfs_ctlreg_attr = {
1057 .mode = S_IRUSR | S_IWUSR,
1058 .owner = THIS_MODULE,
1061 .read = sysfs_ctlreg_read,
1062 .write = sysfs_ctlreg_write,
1067 sysfs_mbox_idle (struct lpfc_hba * phba)
1069 phba->sysfs_mbox.state = SMBOX_IDLE;
1070 phba->sysfs_mbox.offset = 0;
1072 if (phba->sysfs_mbox.mbox) {
1073 mempool_free(phba->sysfs_mbox.mbox,
1074 phba->mbox_mem_pool);
1075 phba->sysfs_mbox.mbox = NULL;
1080 sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
1082 struct Scsi_Host * host =
1083 class_to_shost(container_of(kobj, struct class_device, kobj));
1084 struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata;
1085 struct lpfcMboxq * mbox = NULL;
1087 if ((count + off) > MAILBOX_CMD_SIZE)
1090 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1097 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1100 memset(mbox, 0, sizeof (LPFC_MBOXQ_t));
1103 spin_lock_irq(host->host_lock);
1106 if (phba->sysfs_mbox.mbox)
1107 mempool_free(mbox, phba->mbox_mem_pool);
1109 phba->sysfs_mbox.mbox = mbox;
1110 phba->sysfs_mbox.state = SMBOX_WRITING;
1112 if (phba->sysfs_mbox.state != SMBOX_WRITING ||
1113 phba->sysfs_mbox.offset != off ||
1114 phba->sysfs_mbox.mbox == NULL ) {
1115 sysfs_mbox_idle(phba);
1116 spin_unlock_irq(host->host_lock);
1121 memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
1124 phba->sysfs_mbox.offset = off + count;
1126 spin_unlock_irq(host->host_lock);
1132 sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
1134 struct Scsi_Host *host =
1135 class_to_shost(container_of(kobj, struct class_device,
1137 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
1140 if (off > sizeof(MAILBOX_t))
1143 if ((count + off) > sizeof(MAILBOX_t))
1144 count = sizeof(MAILBOX_t) - off;
1146 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1149 if (off && count == 0)
1152 spin_lock_irq(phba->host->host_lock);
1155 phba->sysfs_mbox.state == SMBOX_WRITING &&
1156 phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
1158 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
1163 case MBX_CONFIG_LINK:
1164 case MBX_CONFIG_RING:
1165 case MBX_RESET_RING:
1166 case MBX_UNREG_LOGIN:
1168 case MBX_DUMP_CONTEXT:
1171 case MBX_FLASH_WR_ULA:
1175 if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
1176 printk(KERN_WARNING "mbox_read:Command 0x%x "
1177 "is illegal in on-line state\n",
1178 phba->sysfs_mbox.mbox->mb.mbxCommand);
1179 sysfs_mbox_idle(phba);
1180 spin_unlock_irq(phba->host->host_lock);
1185 case MBX_READ_CONFIG:
1186 case MBX_READ_RCONFIG:
1187 case MBX_READ_STATUS:
1190 case MBX_READ_LNK_STAT:
1191 case MBX_DUMP_MEMORY:
1193 case MBX_UPDATE_CFG:
1194 case MBX_KILL_BOARD:
1196 case MBX_LOAD_EXP_ROM:
1198 case MBX_DEL_LD_ENTRY:
1200 case MBX_READ_SPARM64:
1204 case MBX_REG_LOGIN64:
1205 case MBX_CONFIG_PORT:
1206 case MBX_RUN_BIU_DIAG:
1207 printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
1208 phba->sysfs_mbox.mbox->mb.mbxCommand);
1209 sysfs_mbox_idle(phba);
1210 spin_unlock_irq(phba->host->host_lock);
1213 printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
1214 phba->sysfs_mbox.mbox->mb.mbxCommand);
1215 sysfs_mbox_idle(phba);
1216 spin_unlock_irq(phba->host->host_lock);
1220 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1221 (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
1223 spin_unlock_irq(phba->host->host_lock);
1224 rc = lpfc_sli_issue_mbox (phba,
1225 phba->sysfs_mbox.mbox,
1227 spin_lock_irq(phba->host->host_lock);
1230 spin_unlock_irq(phba->host->host_lock);
1231 rc = lpfc_sli_issue_mbox_wait (phba,
1232 phba->sysfs_mbox.mbox,
1233 lpfc_mbox_tmo_val(phba,
1234 phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ);
1235 spin_lock_irq(phba->host->host_lock);
1238 if (rc != MBX_SUCCESS) {
1239 sysfs_mbox_idle(phba);
1240 spin_unlock_irq(host->host_lock);
1241 return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
1243 phba->sysfs_mbox.state = SMBOX_READING;
1245 else if (phba->sysfs_mbox.offset != off ||
1246 phba->sysfs_mbox.state != SMBOX_READING) {
1247 printk(KERN_WARNING "mbox_read: Bad State\n");
1248 sysfs_mbox_idle(phba);
1249 spin_unlock_irq(host->host_lock);
1253 memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
1255 phba->sysfs_mbox.offset = off + count;
1257 if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t))
1258 sysfs_mbox_idle(phba);
1260 spin_unlock_irq(phba->host->host_lock);
1265 static struct bin_attribute sysfs_mbox_attr = {
1268 .mode = S_IRUSR | S_IWUSR,
1269 .owner = THIS_MODULE,
1271 .size = sizeof(MAILBOX_t),
1272 .read = sysfs_mbox_read,
1273 .write = sysfs_mbox_write,
1277 lpfc_alloc_sysfs_attr(struct lpfc_hba *phba)
1279 struct Scsi_Host *host = phba->host;
1282 error = sysfs_create_bin_file(&host->shost_classdev.kobj,
1283 &sysfs_ctlreg_attr);
1287 error = sysfs_create_bin_file(&host->shost_classdev.kobj,
1290 goto out_remove_ctlreg_attr;
1293 out_remove_ctlreg_attr:
1294 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
1300 lpfc_free_sysfs_attr(struct lpfc_hba *phba)
1302 struct Scsi_Host *host = phba->host;
1304 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr);
1305 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
1310 * Dynamic FC Host Attributes Support
1314 lpfc_get_host_port_id(struct Scsi_Host *shost)
1316 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1317 /* note: fc_myDID already in cpu endianness */
1318 fc_host_port_id(shost) = phba->fc_myDID;
1322 lpfc_get_host_port_type(struct Scsi_Host *shost)
1324 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1326 spin_lock_irq(shost->host_lock);
1328 if (phba->hba_state == LPFC_HBA_READY) {
1329 if (phba->fc_topology == TOPOLOGY_LOOP) {
1330 if (phba->fc_flag & FC_PUBLIC_LOOP)
1331 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
1333 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
1335 if (phba->fc_flag & FC_FABRIC)
1336 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
1338 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
1341 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
1343 spin_unlock_irq(shost->host_lock);
1347 lpfc_get_host_port_state(struct Scsi_Host *shost)
1349 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1351 spin_lock_irq(shost->host_lock);
1353 if (phba->fc_flag & FC_OFFLINE_MODE)
1354 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1356 switch (phba->hba_state) {
1357 case LPFC_STATE_UNKNOWN:
1358 case LPFC_WARM_START:
1359 case LPFC_INIT_START:
1360 case LPFC_INIT_MBX_CMDS:
1361 case LPFC_LINK_DOWN:
1362 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1365 case LPFC_LOCAL_CFG_LINK:
1367 case LPFC_FABRIC_CFG_LINK:
1370 case LPFC_BUILD_DISC_LIST:
1371 case LPFC_DISC_AUTH:
1373 case LPFC_HBA_READY:
1374 /* Links up, beyond this port_type reports state */
1375 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1377 case LPFC_HBA_ERROR:
1378 fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
1381 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1386 spin_unlock_irq(shost->host_lock);
1390 lpfc_get_host_speed(struct Scsi_Host *shost)
1392 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1394 spin_lock_irq(shost->host_lock);
1396 if (phba->hba_state == LPFC_HBA_READY) {
1397 switch(phba->fc_linkspeed) {
1399 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
1402 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
1405 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
1408 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
1413 spin_unlock_irq(shost->host_lock);
1417 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
1419 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1422 spin_lock_irq(shost->host_lock);
1424 if ((phba->fc_flag & FC_FABRIC) ||
1425 ((phba->fc_topology == TOPOLOGY_LOOP) &&
1426 (phba->fc_flag & FC_PUBLIC_LOOP)))
1427 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
1429 /* fabric is local port if there is no F/FL_Port */
1430 node_name = wwn_to_u64(phba->fc_nodename.u.wwn);
1432 spin_unlock_irq(shost->host_lock);
1434 fc_host_fabric_name(shost) = node_name;
1438 lpfc_get_host_symbolic_name (struct Scsi_Host *shost)
1440 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1442 spin_lock_irq(shost->host_lock);
1443 lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(shost));
1444 spin_unlock_irq(shost->host_lock);
1447 static struct fc_host_statistics *
1448 lpfc_get_stats(struct Scsi_Host *shost)
1450 struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
1451 struct lpfc_sli *psli = &phba->sli;
1452 struct fc_host_statistics *hs = &phba->link_stats;
1453 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
1454 LPFC_MBOXQ_t *pmboxq;
1456 unsigned long seconds;
1459 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1462 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1465 pmb->mbxCommand = MBX_READ_STATUS;
1466 pmb->mbxOwner = OWN_HOST;
1467 pmboxq->context1 = NULL;
1469 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1470 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1471 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1473 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1475 if (rc != MBX_SUCCESS) {
1476 if (rc == MBX_TIMEOUT)
1477 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1479 mempool_free(pmboxq, phba->mbox_mem_pool);
1483 memset(hs, 0, sizeof (struct fc_host_statistics));
1485 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
1486 hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
1487 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
1488 hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
1490 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1491 pmb->mbxCommand = MBX_READ_LNK_STAT;
1492 pmb->mbxOwner = OWN_HOST;
1493 pmboxq->context1 = NULL;
1495 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1496 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1497 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1499 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1501 if (rc != MBX_SUCCESS) {
1502 if (rc == MBX_TIMEOUT)
1503 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1505 mempool_free( pmboxq, phba->mbox_mem_pool);
1509 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1510 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1511 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1512 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1513 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1514 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1515 hs->error_frames = pmb->un.varRdLnk.crcCnt;
1517 hs->link_failure_count -= lso->link_failure_count;
1518 hs->loss_of_sync_count -= lso->loss_of_sync_count;
1519 hs->loss_of_signal_count -= lso->loss_of_signal_count;
1520 hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
1521 hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
1522 hs->invalid_crc_count -= lso->invalid_crc_count;
1523 hs->error_frames -= lso->error_frames;
1525 if (phba->fc_topology == TOPOLOGY_LOOP) {
1526 hs->lip_count = (phba->fc_eventTag >> 1);
1527 hs->lip_count -= lso->link_events;
1531 hs->nos_count = (phba->fc_eventTag >> 1);
1532 hs->nos_count -= lso->link_events;
1535 hs->dumped_frames = -1;
1537 seconds = get_seconds();
1538 if (seconds < psli->stats_start)
1539 hs->seconds_since_last_reset = seconds +
1540 ((unsigned long)-1 - psli->stats_start);
1542 hs->seconds_since_last_reset = seconds - psli->stats_start;
1548 lpfc_reset_stats(struct Scsi_Host *shost)
1550 struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
1551 struct lpfc_sli *psli = &phba->sli;
1552 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
1553 LPFC_MBOXQ_t *pmboxq;
1557 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1560 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
1563 pmb->mbxCommand = MBX_READ_STATUS;
1564 pmb->mbxOwner = OWN_HOST;
1565 pmb->un.varWords[0] = 0x1; /* reset request */
1566 pmboxq->context1 = NULL;
1568 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1569 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1570 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1572 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1574 if (rc != MBX_SUCCESS) {
1575 if (rc == MBX_TIMEOUT)
1576 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1578 mempool_free(pmboxq, phba->mbox_mem_pool);
1582 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
1583 pmb->mbxCommand = MBX_READ_LNK_STAT;
1584 pmb->mbxOwner = OWN_HOST;
1585 pmboxq->context1 = NULL;
1587 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1588 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1589 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1591 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1593 if (rc != MBX_SUCCESS) {
1594 if (rc == MBX_TIMEOUT)
1595 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1597 mempool_free( pmboxq, phba->mbox_mem_pool);
1601 lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1602 lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1603 lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1604 lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1605 lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1606 lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1607 lso->error_frames = pmb->un.varRdLnk.crcCnt;
1608 lso->link_events = (phba->fc_eventTag >> 1);
1610 psli->stats_start = get_seconds();
1616 * The LPFC driver treats linkdown handling as target loss events so there
1617 * are no sysfs handlers for link_down_tmo.
1620 lpfc_get_starget_port_id(struct scsi_target *starget)
1622 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1623 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
1625 struct lpfc_nodelist *ndlp = NULL;
1627 spin_lock_irq(shost->host_lock);
1628 /* Search the mapped list for this target ID */
1629 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1630 if (starget->id == ndlp->nlp_sid) {
1631 did = ndlp->nlp_DID;
1635 spin_unlock_irq(shost->host_lock);
1637 fc_starget_port_id(starget) = did;
1641 lpfc_get_starget_node_name(struct scsi_target *starget)
1643 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1644 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
1646 struct lpfc_nodelist *ndlp = NULL;
1648 spin_lock_irq(shost->host_lock);
1649 /* Search the mapped list for this target ID */
1650 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1651 if (starget->id == ndlp->nlp_sid) {
1652 node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
1656 spin_unlock_irq(shost->host_lock);
1658 fc_starget_node_name(starget) = node_name;
1662 lpfc_get_starget_port_name(struct scsi_target *starget)
1664 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1665 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
1667 struct lpfc_nodelist *ndlp = NULL;
1669 spin_lock_irq(shost->host_lock);
1670 /* Search the mapped list for this target ID */
1671 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1672 if (starget->id == ndlp->nlp_sid) {
1673 port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
1677 spin_unlock_irq(shost->host_lock);
1679 fc_starget_port_name(starget) = port_name;
1683 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1686 rport->dev_loss_tmo = timeout;
1688 rport->dev_loss_tmo = 1;
1692 #define lpfc_rport_show_function(field, format_string, sz, cast) \
1694 lpfc_show_rport_##field (struct class_device *cdev, char *buf) \
1696 struct fc_rport *rport = transport_class_to_rport(cdev); \
1697 struct lpfc_rport_data *rdata = rport->hostdata; \
1698 return snprintf(buf, sz, format_string, \
1699 (rdata->target) ? cast rdata->target->field : 0); \
1702 #define lpfc_rport_rd_attr(field, format_string, sz) \
1703 lpfc_rport_show_function(field, format_string, sz, ) \
1704 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
1707 struct fc_function_template lpfc_transport_functions = {
1708 /* fixed attributes the driver supports */
1709 .show_host_node_name = 1,
1710 .show_host_port_name = 1,
1711 .show_host_supported_classes = 1,
1712 .show_host_supported_fc4s = 1,
1713 .show_host_supported_speeds = 1,
1714 .show_host_maxframe_size = 1,
1716 /* dynamic attributes the driver supports */
1717 .get_host_port_id = lpfc_get_host_port_id,
1718 .show_host_port_id = 1,
1720 .get_host_port_type = lpfc_get_host_port_type,
1721 .show_host_port_type = 1,
1723 .get_host_port_state = lpfc_get_host_port_state,
1724 .show_host_port_state = 1,
1726 /* active_fc4s is shown but doesn't change (thus no get function) */
1727 .show_host_active_fc4s = 1,
1729 .get_host_speed = lpfc_get_host_speed,
1730 .show_host_speed = 1,
1732 .get_host_fabric_name = lpfc_get_host_fabric_name,
1733 .show_host_fabric_name = 1,
1735 .get_host_symbolic_name = lpfc_get_host_symbolic_name,
1736 .show_host_symbolic_name = 1,
1739 * The LPFC driver treats linkdown handling as target loss events
1740 * so there are no sysfs handlers for link_down_tmo.
1743 .get_fc_host_stats = lpfc_get_stats,
1744 .reset_fc_host_stats = lpfc_reset_stats,
1746 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
1747 .show_rport_maxframe_size = 1,
1748 .show_rport_supported_classes = 1,
1750 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
1751 .show_rport_dev_loss_tmo = 1,
1753 .get_starget_port_id = lpfc_get_starget_port_id,
1754 .show_starget_port_id = 1,
1756 .get_starget_node_name = lpfc_get_starget_node_name,
1757 .show_starget_node_name = 1,
1759 .get_starget_port_name = lpfc_get_starget_port_name,
1760 .show_starget_port_name = 1,
1762 .issue_fc_host_lip = lpfc_issue_lip,
1763 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
1764 .terminate_rport_io = lpfc_terminate_rport_io,
1768 lpfc_get_cfgparam(struct lpfc_hba *phba)
1770 lpfc_log_verbose_init(phba, lpfc_log_verbose);
1771 lpfc_cr_delay_init(phba, lpfc_cr_delay);
1772 lpfc_cr_count_init(phba, lpfc_cr_count);
1773 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
1774 lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
1775 lpfc_fcp_class_init(phba, lpfc_fcp_class);
1776 lpfc_use_adisc_init(phba, lpfc_use_adisc);
1777 lpfc_ack0_init(phba, lpfc_ack0);
1778 lpfc_topology_init(phba, lpfc_topology);
1779 lpfc_scan_down_init(phba, lpfc_scan_down);
1780 lpfc_link_speed_init(phba, lpfc_link_speed);
1781 lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
1782 lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
1783 lpfc_max_luns_init(phba, lpfc_max_luns);
1784 lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
1785 lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo);
1786 lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
1787 phba->cfg_poll = lpfc_poll;
1788 phba->cfg_soft_wwpn = 0L;
1791 * The total number of segments is the configuration value plus 2
1792 * since the IOCB need a command and response bde.
1794 phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
1797 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
1798 * used to create the sg_dma_buf_pool must be dynamically calculated
1800 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
1801 sizeof(struct fcp_rsp) +
1802 (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
1804 switch (phba->pcidev->device) {
1805 case PCI_DEVICE_ID_LP101:
1806 case PCI_DEVICE_ID_BSMB:
1807 case PCI_DEVICE_ID_ZSMB:
1808 phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH;
1810 case PCI_DEVICE_ID_RFLY:
1811 case PCI_DEVICE_ID_PFLY:
1812 case PCI_DEVICE_ID_BMID:
1813 case PCI_DEVICE_ID_ZMID:
1814 case PCI_DEVICE_ID_TFLY:
1815 phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH;
1818 phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH;
1821 if (phba->cfg_hba_queue_depth > lpfc_hba_queue_depth)
1822 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);