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"
44 lpfc_jedec_to_ascii(int incr, char hdw[])
47 for (i = 0; i < 8; i++) {
50 hdw[7 - i] = 0x30 + j;
52 hdw[7 - i] = 0x61 + j - 10;
60 lpfc_drvr_version_show(struct class_device *cdev, char *buf)
62 return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
66 management_version_show(struct class_device *cdev, char *buf)
68 return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n");
72 lpfc_info_show(struct class_device *cdev, char *buf)
74 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 *host = class_to_shost(cdev);
82 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
83 return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
87 lpfc_modeldesc_show(struct class_device *cdev, char *buf)
89 struct Scsi_Host *host = class_to_shost(cdev);
90 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
91 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
95 lpfc_modelname_show(struct class_device *cdev, char *buf)
97 struct Scsi_Host *host = class_to_shost(cdev);
98 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
99 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
103 lpfc_programtype_show(struct class_device *cdev, char *buf)
105 struct Scsi_Host *host = class_to_shost(cdev);
106 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
107 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
111 lpfc_portnum_show(struct class_device *cdev, char *buf)
113 struct Scsi_Host *host = class_to_shost(cdev);
114 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
115 return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
119 lpfc_fwrev_show(struct class_device *cdev, char *buf)
121 struct Scsi_Host *host = class_to_shost(cdev);
122 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
124 lpfc_decode_firmware_rev(phba, fwrev, 1);
125 return snprintf(buf, PAGE_SIZE, "%s\n",fwrev);
129 lpfc_hdw_show(struct class_device *cdev, char *buf)
132 struct Scsi_Host *host = class_to_shost(cdev);
133 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
134 lpfc_vpd_t *vp = &phba->vpd;
135 lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
136 return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
139 lpfc_option_rom_version_show(struct class_device *cdev, char *buf)
141 struct Scsi_Host *host = class_to_shost(cdev);
142 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
143 return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
146 lpfc_state_show(struct class_device *cdev, char *buf)
148 struct Scsi_Host *host = class_to_shost(cdev);
149 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
151 switch (phba->hba_state) {
152 case LPFC_STATE_UNKNOWN:
153 case LPFC_WARM_START:
154 case LPFC_INIT_START:
155 case LPFC_INIT_MBX_CMDS:
157 len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
160 case LPFC_LOCAL_CFG_LINK:
161 len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n");
164 case LPFC_FABRIC_CFG_LINK:
167 case LPFC_BUILD_DISC_LIST:
170 len += snprintf(buf + len, PAGE_SIZE-len,
171 "Link Up - Discovery\n");
174 len += snprintf(buf + len, PAGE_SIZE-len,
175 "Link Up - Ready:\n");
176 if (phba->fc_topology == TOPOLOGY_LOOP) {
177 if (phba->fc_flag & FC_PUBLIC_LOOP)
178 len += snprintf(buf + len, PAGE_SIZE-len,
181 len += snprintf(buf + len, PAGE_SIZE-len,
184 if (phba->fc_flag & FC_FABRIC)
185 len += snprintf(buf + len, PAGE_SIZE-len,
188 len += snprintf(buf + len, PAGE_SIZE-len,
196 lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf)
198 struct Scsi_Host *host = class_to_shost(cdev);
199 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
200 return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt +
206 lpfc_issue_lip(struct Scsi_Host *host)
208 struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata;
209 LPFC_MBOXQ_t *pmboxq;
210 int mbxstatus = MBXERR_ERROR;
212 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
213 (phba->hba_state != LPFC_HBA_READY))
216 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
221 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
222 pmboxq->mb.mbxCommand = MBX_DOWN_LINK;
223 pmboxq->mb.mbxOwner = OWN_HOST;
225 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
227 if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) {
228 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
229 lpfc_init_link(phba, pmboxq, phba->cfg_topology,
230 phba->cfg_link_speed);
231 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
235 if (mbxstatus == MBX_TIMEOUT)
236 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
238 mempool_free(pmboxq, phba->mbox_mem_pool);
240 if (mbxstatus == MBXERR_ERROR)
247 lpfc_selective_reset(struct lpfc_hba *phba)
249 struct completion online_compl;
252 init_completion(&online_compl);
253 lpfc_workq_post_event(phba, &status, &online_compl,
255 wait_for_completion(&online_compl);
260 init_completion(&online_compl);
261 lpfc_workq_post_event(phba, &status, &online_compl,
263 wait_for_completion(&online_compl);
272 lpfc_issue_reset(struct class_device *cdev, const char *buf, size_t count)
274 struct Scsi_Host *host = class_to_shost(cdev);
275 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
276 int status = -EINVAL;
278 if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
279 status = lpfc_selective_reset(phba);
288 lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
290 struct Scsi_Host *host = class_to_shost(cdev);
291 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
292 return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
296 lpfc_board_mode_show(struct class_device *cdev, char *buf)
298 struct Scsi_Host *host = class_to_shost(cdev);
299 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
302 if (phba->hba_state == LPFC_HBA_ERROR)
304 else if (phba->hba_state == LPFC_WARM_START)
305 state = "warm start";
306 else if (phba->hba_state == LPFC_INIT_START)
311 return snprintf(buf, PAGE_SIZE, "%s\n", state);
315 lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count)
317 struct Scsi_Host *host = class_to_shost(cdev);
318 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
319 struct completion online_compl;
322 init_completion(&online_compl);
324 if(strncmp(buf, "online", sizeof("online") - 1) == 0)
325 lpfc_workq_post_event(phba, &status, &online_compl,
327 else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
328 lpfc_workq_post_event(phba, &status, &online_compl,
330 else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
331 lpfc_workq_post_event(phba, &status, &online_compl,
332 LPFC_EVT_WARM_START);
333 else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
334 lpfc_workq_post_event(phba, &status, &online_compl,
339 wait_for_completion(&online_compl);
348 lpfc_poll_show(struct class_device *cdev, char *buf)
350 struct Scsi_Host *host = class_to_shost(cdev);
351 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
353 return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
357 lpfc_poll_store(struct class_device *cdev, const char *buf,
360 struct Scsi_Host *host = class_to_shost(cdev);
361 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
366 if (!isdigit(buf[0]))
369 if (sscanf(buf, "%i", &val) != 1)
372 if ((val & 0x3) != val)
375 spin_lock_irq(phba->host->host_lock);
377 old_val = phba->cfg_poll;
379 if (val & ENABLE_FCP_RING_POLLING) {
380 if ((val & DISABLE_FCP_RING_INT) &&
381 !(old_val & DISABLE_FCP_RING_INT)) {
382 creg_val = readl(phba->HCregaddr);
383 creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
384 writel(creg_val, phba->HCregaddr);
385 readl(phba->HCregaddr); /* flush */
387 lpfc_poll_start_timer(phba);
389 } else if (val != 0x0) {
390 spin_unlock_irq(phba->host->host_lock);
394 if (!(val & DISABLE_FCP_RING_INT) &&
395 (old_val & DISABLE_FCP_RING_INT))
397 spin_unlock_irq(phba->host->host_lock);
398 del_timer(&phba->fcp_poll_timer);
399 spin_lock_irq(phba->host->host_lock);
400 creg_val = readl(phba->HCregaddr);
401 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
402 writel(creg_val, phba->HCregaddr);
403 readl(phba->HCregaddr); /* flush */
406 phba->cfg_poll = val;
408 spin_unlock_irq(phba->host->host_lock);
413 #define lpfc_param_show(attr) \
415 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
417 struct Scsi_Host *host = class_to_shost(cdev);\
418 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\
420 val = phba->cfg_##attr;\
421 return snprintf(buf, PAGE_SIZE, "%d\n",\
425 #define lpfc_param_hex_show(attr) \
427 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
429 struct Scsi_Host *host = class_to_shost(cdev);\
430 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\
432 val = phba->cfg_##attr;\
433 return snprintf(buf, PAGE_SIZE, "%#x\n",\
437 #define lpfc_param_init(attr, default, minval, maxval) \
439 lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
441 if (val >= minval && val <= maxval) {\
442 phba->cfg_##attr = val;\
445 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
446 "%d:0449 lpfc_"#attr" attribute cannot be set to %d, "\
447 "allowed range is ["#minval", "#maxval"]\n", \
448 phba->brd_no, val); \
449 phba->cfg_##attr = default;\
453 #define lpfc_param_set(attr, default, minval, maxval) \
455 lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
457 if (val >= minval && val <= maxval) {\
458 phba->cfg_##attr = val;\
461 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
462 "%d:0450 lpfc_"#attr" attribute cannot be set to %d, "\
463 "allowed range is ["#minval", "#maxval"]\n", \
464 phba->brd_no, val); \
468 #define lpfc_param_store(attr) \
470 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
472 struct Scsi_Host *host = class_to_shost(cdev);\
473 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\
475 if (!isdigit(buf[0]))\
477 if (sscanf(buf, "%i", &val) != 1)\
479 if (lpfc_##attr##_set(phba, val) == 0) \
485 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
486 static int lpfc_##name = defval;\
487 module_param(lpfc_##name, int, 0);\
488 MODULE_PARM_DESC(lpfc_##name, desc);\
489 lpfc_param_init(name, defval, minval, maxval)
491 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
492 static int lpfc_##name = defval;\
493 module_param(lpfc_##name, int, 0);\
494 MODULE_PARM_DESC(lpfc_##name, desc);\
495 lpfc_param_show(name)\
496 lpfc_param_init(name, defval, minval, maxval)\
497 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
499 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
500 static int lpfc_##name = defval;\
501 module_param(lpfc_##name, int, 0);\
502 MODULE_PARM_DESC(lpfc_##name, desc);\
503 lpfc_param_show(name)\
504 lpfc_param_init(name, defval, minval, maxval)\
505 lpfc_param_set(name, defval, minval, maxval)\
506 lpfc_param_store(name)\
507 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
508 lpfc_##name##_show, lpfc_##name##_store)
510 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
511 static int lpfc_##name = defval;\
512 module_param(lpfc_##name, int, 0);\
513 MODULE_PARM_DESC(lpfc_##name, desc);\
514 lpfc_param_hex_show(name)\
515 lpfc_param_init(name, defval, minval, maxval)\
516 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
518 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
519 static int lpfc_##name = defval;\
520 module_param(lpfc_##name, int, 0);\
521 MODULE_PARM_DESC(lpfc_##name, desc);\
522 lpfc_param_hex_show(name)\
523 lpfc_param_init(name, defval, minval, maxval)\
524 lpfc_param_set(name, defval, minval, maxval)\
525 lpfc_param_store(name)\
526 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
527 lpfc_##name##_show, lpfc_##name##_store)
529 static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
530 static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
531 static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
532 static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
533 static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
534 static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL);
535 static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
536 static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
537 static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
538 static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
539 lpfc_option_rom_version_show, NULL);
540 static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
541 lpfc_num_discovered_ports_show, NULL);
542 static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
543 static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
545 static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
547 static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
548 lpfc_board_mode_show, lpfc_board_mode_store);
549 static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
551 static int lpfc_poll = 0;
552 module_param(lpfc_poll, int, 0);
553 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
555 " 1 - poll with interrupts enabled"
556 " 3 - poll and disable FCP ring interrupts");
558 static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
559 lpfc_poll_show, lpfc_poll_store);
562 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
563 # deluged with LOTS of information.
564 # You can set a bit mask to record specific types of verbose messages:
566 # LOG_ELS 0x1 ELS events
567 # LOG_DISCOVERY 0x2 Link discovery events
568 # LOG_MBOX 0x4 Mailbox events
569 # LOG_INIT 0x8 Initialization events
570 # LOG_LINK_EVENT 0x10 Link events
571 # LOG_IP 0x20 IP traffic history
572 # LOG_FCP 0x40 FCP traffic history
573 # LOG_NODE 0x80 Node table events
574 # LOG_MISC 0x400 Miscellaneous events
575 # LOG_SLI 0x800 SLI events
576 # LOG_CHK_COND 0x1000 FCP Check condition flag
577 # LOG_LIBDFC 0x2000 LIBDFC events
578 # LOG_ALL_MSG 0xffff LOG all messages
580 LPFC_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
583 # lun_queue_depth: This parameter is used to limit the number of outstanding
584 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
586 LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
587 "Max number of FCP commands we can queue to a specific LUN");
590 # hba_queue_depth: This parameter is used to limit the number of outstanding
591 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
592 # value is greater than the maximum number of exchanges supported by the HBA,
593 # then maximum number of exchanges supported by the HBA is used to determine
594 # the hba_queue_depth.
596 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
597 "Max number of FCP commands we can queue to a lpfc HBA");
600 # Some disk devices have a "select ID" or "select Target" capability.
601 # From a protocol standpoint "select ID" usually means select the
602 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
603 # annex" which contains a table that maps a "select ID" (a number
604 # between 0 and 7F) to an ALPA. By default, for compatibility with
605 # older drivers, the lpfc driver scans this table from low ALPA to high
608 # Turning on the scan-down variable (on = 1, off = 0) will
609 # cause the lpfc driver to use an inverted table, effectively
610 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
612 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
613 # and will not work across a fabric. Also this parameter will take
614 # effect only in the case when ALPA map is not available.)
616 LPFC_ATTR_R(scan_down, 1, 0, 1,
617 "Start scanning for devices from highest ALPA to lowest");
620 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
621 # until the timer expires. Value range is [0,255]. Default value is 30.
622 # NOTE: this MUST be less then the SCSI Layer command timeout - 1.
624 LPFC_ATTR_RW(nodev_tmo, 30, 0, 255,
625 "Seconds driver will hold I/O waiting for a device to come back");
628 # lpfc_topology: link topology for init link
629 # 0x0 = attempt loop mode then point-to-point
630 # 0x01 = internal loopback mode
631 # 0x02 = attempt point-to-point mode only
632 # 0x04 = attempt loop mode only
633 # 0x06 = attempt point-to-point mode then loop
634 # Set point-to-point mode if you want to run as an N_Port.
635 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
636 # Default value is 0.
638 LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology");
641 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
643 # 0 = auto select (default)
647 # Value range is [0,4]. Default value is 0.
649 LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed");
652 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
653 # Value range is [2,3]. Default value is 3.
655 LPFC_ATTR_R(fcp_class, 3, 2, 3,
656 "Select Fibre Channel class of service for FCP sequences");
659 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
660 # is [0,1]. Default value is 0.
662 LPFC_ATTR_RW(use_adisc, 0, 0, 1,
663 "Use ADISC on rediscovery to authenticate FCP devices");
666 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
667 # range is [0,1]. Default value is 0.
669 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
672 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
673 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
674 # value [0,63]. cr_count can take value [0,255]. Default value of cr_delay
675 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
676 # cr_delay is set to 0.
678 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
679 "interrupt response is generated");
681 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
682 "interrupt response is generated");
685 # lpfc_multi_ring_support: Determines how many rings to spread available
686 # cmd/rsp IOCB entries across.
687 # Value range is [1,2]. Default value is 1.
689 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
690 "SLI rings to spread IOCB entries across");
693 # lpfc_fdmi_on: controls FDMI support.
694 # 0 = no FDMI support
695 # 1 = support FDMI without attribute of hostname
696 # 2 = support FDMI with attribute of hostname
697 # Value range [0,2]. Default value is 0.
699 LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
702 # Specifies the maximum number of ELS cmds we can have outstanding (for
703 # discovery). Value range is [1,64]. Default value = 32.
705 LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
709 # lpfc_max_luns: maximum allowed LUN.
710 # Value range is [0,65535]. Default value is 255.
711 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
713 LPFC_ATTR_R(max_luns, 255, 0, 65535,
714 "Maximum allowed LUN");
717 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
718 # Value range is [1,255], default value is 10.
720 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
721 "Milliseconds driver will wait between polling FCP ring");
723 struct class_device_attribute *lpfc_host_attrs[] = {
724 &class_device_attr_info,
725 &class_device_attr_serialnum,
726 &class_device_attr_modeldesc,
727 &class_device_attr_modelname,
728 &class_device_attr_programtype,
729 &class_device_attr_portnum,
730 &class_device_attr_fwrev,
731 &class_device_attr_hdw,
732 &class_device_attr_option_rom_version,
733 &class_device_attr_state,
734 &class_device_attr_num_discovered_ports,
735 &class_device_attr_lpfc_drvr_version,
736 &class_device_attr_lpfc_log_verbose,
737 &class_device_attr_lpfc_lun_queue_depth,
738 &class_device_attr_lpfc_hba_queue_depth,
739 &class_device_attr_lpfc_nodev_tmo,
740 &class_device_attr_lpfc_fcp_class,
741 &class_device_attr_lpfc_use_adisc,
742 &class_device_attr_lpfc_ack0,
743 &class_device_attr_lpfc_topology,
744 &class_device_attr_lpfc_scan_down,
745 &class_device_attr_lpfc_link_speed,
746 &class_device_attr_lpfc_cr_delay,
747 &class_device_attr_lpfc_cr_count,
748 &class_device_attr_lpfc_multi_ring_support,
749 &class_device_attr_lpfc_fdmi_on,
750 &class_device_attr_lpfc_max_luns,
751 &class_device_attr_nport_evt_cnt,
752 &class_device_attr_management_version,
753 &class_device_attr_board_mode,
754 &class_device_attr_issue_reset,
755 &class_device_attr_lpfc_poll,
756 &class_device_attr_lpfc_poll_tmo,
761 sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
764 struct Scsi_Host *host = class_to_shost(container_of(kobj,
765 struct class_device, kobj));
766 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
768 if ((off + count) > FF_REG_AREA_SIZE)
771 if (count == 0) return 0;
773 if (off % 4 || count % 4 || (unsigned long)buf % 4)
776 spin_lock_irq(phba->host->host_lock);
778 if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
779 spin_unlock_irq(phba->host->host_lock);
783 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
784 writel(*((uint32_t *)(buf + buf_off)),
785 phba->ctrl_regs_memmap_p + off + buf_off);
787 spin_unlock_irq(phba->host->host_lock);
793 sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
797 struct Scsi_Host *host = class_to_shost(container_of(kobj,
798 struct class_device, kobj));
799 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
801 if (off > FF_REG_AREA_SIZE)
804 if ((off + count) > FF_REG_AREA_SIZE)
805 count = FF_REG_AREA_SIZE - off;
807 if (count == 0) return 0;
809 if (off % 4 || count % 4 || (unsigned long)buf % 4)
812 spin_lock_irq(phba->host->host_lock);
814 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
815 tmp_ptr = (uint32_t *)(buf + buf_off);
816 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
819 spin_unlock_irq(phba->host->host_lock);
824 static struct bin_attribute sysfs_ctlreg_attr = {
827 .mode = S_IRUSR | S_IWUSR,
828 .owner = THIS_MODULE,
831 .read = sysfs_ctlreg_read,
832 .write = sysfs_ctlreg_write,
837 sysfs_mbox_idle (struct lpfc_hba * phba)
839 phba->sysfs_mbox.state = SMBOX_IDLE;
840 phba->sysfs_mbox.offset = 0;
842 if (phba->sysfs_mbox.mbox) {
843 mempool_free(phba->sysfs_mbox.mbox,
844 phba->mbox_mem_pool);
845 phba->sysfs_mbox.mbox = NULL;
850 sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
852 struct Scsi_Host * host =
853 class_to_shost(container_of(kobj, struct class_device, kobj));
854 struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata;
855 struct lpfcMboxq * mbox = NULL;
857 if ((count + off) > MAILBOX_CMD_SIZE)
860 if (off % 4 || count % 4 || (unsigned long)buf % 4)
867 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
870 memset(mbox, 0, sizeof (LPFC_MBOXQ_t));
873 spin_lock_irq(host->host_lock);
876 if (phba->sysfs_mbox.mbox)
877 mempool_free(mbox, phba->mbox_mem_pool);
879 phba->sysfs_mbox.mbox = mbox;
880 phba->sysfs_mbox.state = SMBOX_WRITING;
882 if (phba->sysfs_mbox.state != SMBOX_WRITING ||
883 phba->sysfs_mbox.offset != off ||
884 phba->sysfs_mbox.mbox == NULL ) {
885 sysfs_mbox_idle(phba);
886 spin_unlock_irq(host->host_lock);
891 memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
894 phba->sysfs_mbox.offset = off + count;
896 spin_unlock_irq(host->host_lock);
902 sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
904 struct Scsi_Host *host =
905 class_to_shost(container_of(kobj, struct class_device,
907 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
910 if (off > sizeof(MAILBOX_t))
913 if ((count + off) > sizeof(MAILBOX_t))
914 count = sizeof(MAILBOX_t) - off;
916 if (off % 4 || count % 4 || (unsigned long)buf % 4)
919 if (off && count == 0)
922 spin_lock_irq(phba->host->host_lock);
925 phba->sysfs_mbox.state == SMBOX_WRITING &&
926 phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
928 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
933 case MBX_CONFIG_LINK:
934 case MBX_CONFIG_RING:
936 case MBX_UNREG_LOGIN:
938 case MBX_DUMP_CONTEXT:
941 case MBX_FLASH_WR_ULA:
945 if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
946 printk(KERN_WARNING "mbox_read:Command 0x%x "
947 "is illegal in on-line state\n",
948 phba->sysfs_mbox.mbox->mb.mbxCommand);
949 sysfs_mbox_idle(phba);
950 spin_unlock_irq(phba->host->host_lock);
955 case MBX_READ_CONFIG:
956 case MBX_READ_RCONFIG:
957 case MBX_READ_STATUS:
960 case MBX_READ_LNK_STAT:
961 case MBX_DUMP_MEMORY:
966 case MBX_LOAD_EXP_ROM:
968 case MBX_DEL_LD_ENTRY:
970 case MBX_READ_SPARM64:
974 case MBX_REG_LOGIN64:
975 case MBX_CONFIG_PORT:
976 case MBX_RUN_BIU_DIAG:
977 printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
978 phba->sysfs_mbox.mbox->mb.mbxCommand);
979 sysfs_mbox_idle(phba);
980 spin_unlock_irq(phba->host->host_lock);
983 printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
984 phba->sysfs_mbox.mbox->mb.mbxCommand);
985 sysfs_mbox_idle(phba);
986 spin_unlock_irq(phba->host->host_lock);
990 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
991 (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
993 spin_unlock_irq(phba->host->host_lock);
994 rc = lpfc_sli_issue_mbox (phba,
995 phba->sysfs_mbox.mbox,
997 spin_lock_irq(phba->host->host_lock);
1000 spin_unlock_irq(phba->host->host_lock);
1001 rc = lpfc_sli_issue_mbox_wait (phba,
1002 phba->sysfs_mbox.mbox,
1003 phba->fc_ratov * 2);
1004 spin_lock_irq(phba->host->host_lock);
1007 if (rc != MBX_SUCCESS) {
1008 sysfs_mbox_idle(phba);
1009 spin_unlock_irq(host->host_lock);
1012 phba->sysfs_mbox.state = SMBOX_READING;
1014 else if (phba->sysfs_mbox.offset != off ||
1015 phba->sysfs_mbox.state != SMBOX_READING) {
1016 printk(KERN_WARNING "mbox_read: Bad State\n");
1017 sysfs_mbox_idle(phba);
1018 spin_unlock_irq(host->host_lock);
1022 memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
1024 phba->sysfs_mbox.offset = off + count;
1026 if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t))
1027 sysfs_mbox_idle(phba);
1029 spin_unlock_irq(phba->host->host_lock);
1034 static struct bin_attribute sysfs_mbox_attr = {
1037 .mode = S_IRUSR | S_IWUSR,
1038 .owner = THIS_MODULE,
1040 .size = sizeof(MAILBOX_t),
1041 .read = sysfs_mbox_read,
1042 .write = sysfs_mbox_write,
1046 lpfc_alloc_sysfs_attr(struct lpfc_hba *phba)
1048 struct Scsi_Host *host = phba->host;
1051 error = sysfs_create_bin_file(&host->shost_classdev.kobj,
1052 &sysfs_ctlreg_attr);
1056 error = sysfs_create_bin_file(&host->shost_classdev.kobj,
1059 goto out_remove_ctlreg_attr;
1062 out_remove_ctlreg_attr:
1063 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
1069 lpfc_free_sysfs_attr(struct lpfc_hba *phba)
1071 struct Scsi_Host *host = phba->host;
1073 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr);
1074 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
1079 * Dynamic FC Host Attributes Support
1083 lpfc_get_host_port_id(struct Scsi_Host *shost)
1085 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1086 /* note: fc_myDID already in cpu endianness */
1087 fc_host_port_id(shost) = phba->fc_myDID;
1091 lpfc_get_host_port_type(struct Scsi_Host *shost)
1093 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1095 spin_lock_irq(shost->host_lock);
1097 if (phba->hba_state == LPFC_HBA_READY) {
1098 if (phba->fc_topology == TOPOLOGY_LOOP) {
1099 if (phba->fc_flag & FC_PUBLIC_LOOP)
1100 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
1102 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
1104 if (phba->fc_flag & FC_FABRIC)
1105 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
1107 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
1110 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
1112 spin_unlock_irq(shost->host_lock);
1116 lpfc_get_host_port_state(struct Scsi_Host *shost)
1118 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1120 spin_lock_irq(shost->host_lock);
1122 if (phba->fc_flag & FC_OFFLINE_MODE)
1123 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1125 switch (phba->hba_state) {
1126 case LPFC_STATE_UNKNOWN:
1127 case LPFC_WARM_START:
1128 case LPFC_INIT_START:
1129 case LPFC_INIT_MBX_CMDS:
1130 case LPFC_LINK_DOWN:
1131 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1134 case LPFC_LOCAL_CFG_LINK:
1136 case LPFC_FABRIC_CFG_LINK:
1139 case LPFC_BUILD_DISC_LIST:
1140 case LPFC_DISC_AUTH:
1142 case LPFC_HBA_READY:
1143 /* Links up, beyond this port_type reports state */
1144 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1146 case LPFC_HBA_ERROR:
1147 fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
1150 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1155 spin_unlock_irq(shost->host_lock);
1159 lpfc_get_host_speed(struct Scsi_Host *shost)
1161 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1163 spin_lock_irq(shost->host_lock);
1165 if (phba->hba_state == LPFC_HBA_READY) {
1166 switch(phba->fc_linkspeed) {
1168 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
1171 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
1174 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
1177 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
1182 spin_unlock_irq(shost->host_lock);
1186 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
1188 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1191 spin_lock_irq(shost->host_lock);
1193 if ((phba->fc_flag & FC_FABRIC) ||
1194 ((phba->fc_topology == TOPOLOGY_LOOP) &&
1195 (phba->fc_flag & FC_PUBLIC_LOOP)))
1196 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
1198 /* fabric is local port if there is no F/FL_Port */
1199 node_name = wwn_to_u64(phba->fc_nodename.u.wwn);
1201 spin_unlock_irq(shost->host_lock);
1203 fc_host_fabric_name(shost) = node_name;
1207 static struct fc_host_statistics *
1208 lpfc_get_stats(struct Scsi_Host *shost)
1210 struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
1211 struct lpfc_sli *psli = &phba->sli;
1212 struct fc_host_statistics *hs = &phba->link_stats;
1213 LPFC_MBOXQ_t *pmboxq;
1217 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1220 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1223 pmb->mbxCommand = MBX_READ_STATUS;
1224 pmb->mbxOwner = OWN_HOST;
1225 pmboxq->context1 = NULL;
1227 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1228 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1229 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1231 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1233 if (rc != MBX_SUCCESS) {
1234 if (rc == MBX_TIMEOUT)
1235 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1237 mempool_free(pmboxq, phba->mbox_mem_pool);
1241 memset(hs, 0, sizeof (struct fc_host_statistics));
1243 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
1244 hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
1245 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
1246 hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
1248 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1249 pmb->mbxCommand = MBX_READ_LNK_STAT;
1250 pmb->mbxOwner = OWN_HOST;
1251 pmboxq->context1 = NULL;
1253 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1254 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1255 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1257 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1259 if (rc != MBX_SUCCESS) {
1260 if (rc == MBX_TIMEOUT)
1261 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1263 mempool_free( pmboxq, phba->mbox_mem_pool);
1267 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1268 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1269 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1270 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1271 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1272 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1273 hs->error_frames = pmb->un.varRdLnk.crcCnt;
1275 if (phba->fc_topology == TOPOLOGY_LOOP) {
1276 hs->lip_count = (phba->fc_eventTag >> 1);
1280 hs->nos_count = (phba->fc_eventTag >> 1);
1283 hs->dumped_frames = -1;
1286 /*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/
1293 * The LPFC driver treats linkdown handling as target loss events so there
1294 * are no sysfs handlers for link_down_tmo.
1297 lpfc_get_starget_port_id(struct scsi_target *starget)
1299 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1300 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
1302 struct lpfc_nodelist *ndlp = NULL;
1304 spin_lock_irq(shost->host_lock);
1305 /* Search the mapped list for this target ID */
1306 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1307 if (starget->id == ndlp->nlp_sid) {
1308 did = ndlp->nlp_DID;
1312 spin_unlock_irq(shost->host_lock);
1314 fc_starget_port_id(starget) = did;
1318 lpfc_get_starget_node_name(struct scsi_target *starget)
1320 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1321 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
1323 struct lpfc_nodelist *ndlp = NULL;
1325 spin_lock_irq(shost->host_lock);
1326 /* Search the mapped list for this target ID */
1327 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1328 if (starget->id == ndlp->nlp_sid) {
1329 node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
1333 spin_unlock_irq(shost->host_lock);
1335 fc_starget_node_name(starget) = node_name;
1339 lpfc_get_starget_port_name(struct scsi_target *starget)
1341 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1342 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
1344 struct lpfc_nodelist *ndlp = NULL;
1346 spin_lock_irq(shost->host_lock);
1347 /* Search the mapped list for this target ID */
1348 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1349 if (starget->id == ndlp->nlp_sid) {
1350 port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
1354 spin_unlock_irq(shost->host_lock);
1356 fc_starget_port_name(starget) = port_name;
1360 lpfc_get_rport_loss_tmo(struct fc_rport *rport)
1363 * Return the driver's global value for device loss timeout plus
1364 * five seconds to allow the driver's nodev timer to run.
1366 rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
1370 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1373 * The driver doesn't have a per-target timeout setting. Set
1374 * this value globally. lpfc_nodev_tmo should be greater then 0.
1377 lpfc_nodev_tmo = timeout;
1380 rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
1384 #define lpfc_rport_show_function(field, format_string, sz, cast) \
1386 lpfc_show_rport_##field (struct class_device *cdev, char *buf) \
1388 struct fc_rport *rport = transport_class_to_rport(cdev); \
1389 struct lpfc_rport_data *rdata = rport->hostdata; \
1390 return snprintf(buf, sz, format_string, \
1391 (rdata->target) ? cast rdata->target->field : 0); \
1394 #define lpfc_rport_rd_attr(field, format_string, sz) \
1395 lpfc_rport_show_function(field, format_string, sz, ) \
1396 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
1399 struct fc_function_template lpfc_transport_functions = {
1400 /* fixed attributes the driver supports */
1401 .show_host_node_name = 1,
1402 .show_host_port_name = 1,
1403 .show_host_supported_classes = 1,
1404 .show_host_supported_fc4s = 1,
1405 .show_host_symbolic_name = 1,
1406 .show_host_supported_speeds = 1,
1407 .show_host_maxframe_size = 1,
1409 /* dynamic attributes the driver supports */
1410 .get_host_port_id = lpfc_get_host_port_id,
1411 .show_host_port_id = 1,
1413 .get_host_port_type = lpfc_get_host_port_type,
1414 .show_host_port_type = 1,
1416 .get_host_port_state = lpfc_get_host_port_state,
1417 .show_host_port_state = 1,
1419 /* active_fc4s is shown but doesn't change (thus no get function) */
1420 .show_host_active_fc4s = 1,
1422 .get_host_speed = lpfc_get_host_speed,
1423 .show_host_speed = 1,
1425 .get_host_fabric_name = lpfc_get_host_fabric_name,
1426 .show_host_fabric_name = 1,
1429 * The LPFC driver treats linkdown handling as target loss events
1430 * so there are no sysfs handlers for link_down_tmo.
1433 .get_fc_host_stats = lpfc_get_stats,
1435 /* the LPFC driver doesn't support resetting stats yet */
1437 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
1438 .show_rport_maxframe_size = 1,
1439 .show_rport_supported_classes = 1,
1441 .get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo,
1442 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
1443 .show_rport_dev_loss_tmo = 1,
1445 .get_starget_port_id = lpfc_get_starget_port_id,
1446 .show_starget_port_id = 1,
1448 .get_starget_node_name = lpfc_get_starget_node_name,
1449 .show_starget_node_name = 1,
1451 .get_starget_port_name = lpfc_get_starget_port_name,
1452 .show_starget_port_name = 1,
1454 .issue_fc_host_lip = lpfc_issue_lip,
1458 lpfc_get_cfgparam(struct lpfc_hba *phba)
1460 lpfc_log_verbose_init(phba, lpfc_log_verbose);
1461 lpfc_cr_delay_init(phba, lpfc_cr_delay);
1462 lpfc_cr_count_init(phba, lpfc_cr_count);
1463 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
1464 lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
1465 lpfc_fcp_class_init(phba, lpfc_fcp_class);
1466 lpfc_use_adisc_init(phba, lpfc_use_adisc);
1467 lpfc_ack0_init(phba, lpfc_ack0);
1468 lpfc_topology_init(phba, lpfc_topology);
1469 lpfc_scan_down_init(phba, lpfc_scan_down);
1470 lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
1471 lpfc_link_speed_init(phba, lpfc_link_speed);
1472 lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
1473 lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
1474 lpfc_max_luns_init(phba, lpfc_max_luns);
1475 lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
1477 phba->cfg_poll = lpfc_poll;
1480 * The total number of segments is the configuration value plus 2
1481 * since the IOCB need a command and response bde.
1483 phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
1486 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
1487 * used to create the sg_dma_buf_pool must be dynamically calculated
1489 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
1490 sizeof(struct fcp_rsp) +
1491 (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
1493 switch (phba->pcidev->device) {
1494 case PCI_DEVICE_ID_LP101:
1495 case PCI_DEVICE_ID_BSMB:
1496 case PCI_DEVICE_ID_ZSMB:
1497 phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH;
1499 case PCI_DEVICE_ID_RFLY:
1500 case PCI_DEVICE_ID_PFLY:
1501 case PCI_DEVICE_ID_BMID:
1502 case PCI_DEVICE_ID_ZMID:
1503 case PCI_DEVICE_ID_TFLY:
1504 phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH;
1507 phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH;
1510 if (phba->cfg_hba_queue_depth > lpfc_hba_queue_depth)
1511 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);