1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2005 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[0];
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[0];
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[0];
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[0];
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[0];
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[0];
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[0];
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[0];
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[0];
151 switch (phba->hba_state) {
152 case LPFC_INIT_START:
153 case LPFC_INIT_MBX_CMDS:
155 len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
158 case LPFC_LOCAL_CFG_LINK:
159 len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n");
162 case LPFC_FABRIC_CFG_LINK:
165 case LPFC_BUILD_DISC_LIST:
168 len += snprintf(buf + len, PAGE_SIZE-len,
169 "Link Up - Discovery\n");
172 len += snprintf(buf + len, PAGE_SIZE-len,
173 "Link Up - Ready:\n");
174 if (phba->fc_topology == TOPOLOGY_LOOP) {
175 if (phba->fc_flag & FC_PUBLIC_LOOP)
176 len += snprintf(buf + len, PAGE_SIZE-len,
179 len += snprintf(buf + len, PAGE_SIZE-len,
182 if (phba->fc_flag & FC_FABRIC)
183 len += snprintf(buf + len, PAGE_SIZE-len,
186 len += snprintf(buf + len, PAGE_SIZE-len,
194 lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf)
196 struct Scsi_Host *host = class_to_shost(cdev);
197 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
198 return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt +
204 lpfc_issue_lip(struct Scsi_Host *host)
206 struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0];
207 LPFC_MBOXQ_t *pmboxq;
208 int mbxstatus = MBXERR_ERROR;
210 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
211 (phba->hba_state != LPFC_HBA_READY))
214 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
219 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
220 lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed);
221 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
223 if (mbxstatus == MBX_TIMEOUT)
224 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
226 mempool_free(pmboxq, phba->mbox_mem_pool);
228 if (mbxstatus == MBXERR_ERROR)
235 lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
237 struct Scsi_Host *host = class_to_shost(cdev);
238 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
239 return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
243 lpfc_board_online_show(struct class_device *cdev, char *buf)
245 struct Scsi_Host *host = class_to_shost(cdev);
246 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
248 if (phba->fc_flag & FC_OFFLINE_MODE)
249 return snprintf(buf, PAGE_SIZE, "0\n");
251 return snprintf(buf, PAGE_SIZE, "1\n");
255 lpfc_board_online_store(struct class_device *cdev, const char *buf,
258 struct Scsi_Host *host = class_to_shost(cdev);
259 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
260 struct completion online_compl;
263 if (sscanf(buf, "%d", &val) != 1)
266 init_completion(&online_compl);
269 lpfc_workq_post_event(phba, &status, &online_compl,
272 lpfc_workq_post_event(phba, &status, &online_compl,
274 wait_for_completion(&online_compl);
282 lpfc_poll_show(struct class_device *cdev, char *buf)
284 struct Scsi_Host *host = class_to_shost(cdev);
285 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
287 return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
291 lpfc_poll_store(struct class_device *cdev, const char *buf,
294 struct Scsi_Host *host = class_to_shost(cdev);
295 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
300 if (!isdigit(buf[0]))
303 if (sscanf(buf, "%i", &val) != 1)
306 if ((val & 0x3) != val)
309 spin_lock_irq(phba->host->host_lock);
311 old_val = phba->cfg_poll;
313 if (val & ENABLE_FCP_RING_POLLING) {
314 if ((val & DISABLE_FCP_RING_INT) &&
315 !(old_val & DISABLE_FCP_RING_INT)) {
316 creg_val = readl(phba->HCregaddr);
317 creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
318 writel(creg_val, phba->HCregaddr);
319 readl(phba->HCregaddr); /* flush */
321 lpfc_poll_start_timer(phba);
323 } else if (val != 0x0) {
324 spin_unlock_irq(phba->host->host_lock);
328 if (!(val & DISABLE_FCP_RING_INT) &&
329 (old_val & DISABLE_FCP_RING_INT))
331 spin_unlock_irq(phba->host->host_lock);
332 del_timer(&phba->fcp_poll_timer);
333 spin_lock_irq(phba->host->host_lock);
334 creg_val = readl(phba->HCregaddr);
335 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
336 writel(creg_val, phba->HCregaddr);
337 readl(phba->HCregaddr); /* flush */
340 phba->cfg_poll = val;
342 spin_unlock_irq(phba->host->host_lock);
347 #define lpfc_param_show(attr) \
349 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
351 struct Scsi_Host *host = class_to_shost(cdev);\
352 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
354 val = phba->cfg_##attr;\
355 return snprintf(buf, PAGE_SIZE, "%d\n",\
359 #define lpfc_param_hex_show(attr) \
361 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
363 struct Scsi_Host *host = class_to_shost(cdev);\
364 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
366 val = phba->cfg_##attr;\
367 return snprintf(buf, PAGE_SIZE, "%#x\n",\
371 #define lpfc_param_init(attr, default, minval, maxval) \
373 lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
375 if (val >= minval && val <= maxval) {\
376 phba->cfg_##attr = val;\
379 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
380 "%d:0449 lpfc_"#attr" attribute cannot be set to %d, "\
381 "allowed range is ["#minval", "#maxval"]\n", \
382 phba->brd_no, val); \
383 phba->cfg_##attr = default;\
387 #define lpfc_param_set(attr, default, minval, maxval) \
389 lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
391 if (val >= minval && val <= maxval) {\
392 phba->cfg_##attr = val;\
395 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
396 "%d:0450 lpfc_"#attr" attribute cannot be set to %d, "\
397 "allowed range is ["#minval", "#maxval"]\n", \
398 phba->brd_no, val); \
402 #define lpfc_param_store(attr) \
404 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
406 struct Scsi_Host *host = class_to_shost(cdev);\
407 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
409 if (!isdigit(buf[0]))\
411 if (sscanf(buf, "%i", &val) != 1)\
413 if (lpfc_##attr##_set(phba, val) == 0) \
419 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
420 static int lpfc_##name = defval;\
421 module_param(lpfc_##name, int, 0);\
422 MODULE_PARM_DESC(lpfc_##name, desc);\
423 lpfc_param_init(name, defval, minval, maxval)
425 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
426 static int lpfc_##name = defval;\
427 module_param(lpfc_##name, int, 0);\
428 MODULE_PARM_DESC(lpfc_##name, desc);\
429 lpfc_param_show(name)\
430 lpfc_param_init(name, defval, minval, maxval)\
431 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
433 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
434 static int lpfc_##name = defval;\
435 module_param(lpfc_##name, int, 0);\
436 MODULE_PARM_DESC(lpfc_##name, desc);\
437 lpfc_param_show(name)\
438 lpfc_param_init(name, defval, minval, maxval)\
439 lpfc_param_set(name, defval, minval, maxval)\
440 lpfc_param_store(name)\
441 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
442 lpfc_##name##_show, lpfc_##name##_store)
444 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
445 static int lpfc_##name = defval;\
446 module_param(lpfc_##name, int, 0);\
447 MODULE_PARM_DESC(lpfc_##name, desc);\
448 lpfc_param_hex_show(name)\
449 lpfc_param_init(name, defval, minval, maxval)\
450 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
452 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
453 static int lpfc_##name = defval;\
454 module_param(lpfc_##name, int, 0);\
455 MODULE_PARM_DESC(lpfc_##name, desc);\
456 lpfc_param_hex_show(name)\
457 lpfc_param_init(name, defval, minval, maxval)\
458 lpfc_param_set(name, defval, minval, maxval)\
459 lpfc_param_store(name)\
460 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
461 lpfc_##name##_show, lpfc_##name##_store)
463 static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
464 static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
465 static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
466 static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
467 static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
468 static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL);
469 static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
470 static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
471 static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
472 static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
473 lpfc_option_rom_version_show, NULL);
474 static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
475 lpfc_num_discovered_ports_show, NULL);
476 static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
477 static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
479 static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
481 static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
482 lpfc_board_online_show, lpfc_board_online_store);
484 static int lpfc_poll = 0;
485 module_param(lpfc_poll, int, 0);
486 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
488 " 1 - poll with interrupts enabled"
489 " 3 - poll and disable FCP ring interrupts");
491 static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
492 lpfc_poll_show, lpfc_poll_store);
495 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
496 # deluged with LOTS of information.
497 # You can set a bit mask to record specific types of verbose messages:
499 # LOG_ELS 0x1 ELS events
500 # LOG_DISCOVERY 0x2 Link discovery events
501 # LOG_MBOX 0x4 Mailbox events
502 # LOG_INIT 0x8 Initialization events
503 # LOG_LINK_EVENT 0x10 Link events
504 # LOG_IP 0x20 IP traffic history
505 # LOG_FCP 0x40 FCP traffic history
506 # LOG_NODE 0x80 Node table events
507 # LOG_MISC 0x400 Miscellaneous events
508 # LOG_SLI 0x800 SLI events
509 # LOG_CHK_COND 0x1000 FCP Check condition flag
510 # LOG_LIBDFC 0x2000 LIBDFC events
511 # LOG_ALL_MSG 0xffff LOG all messages
513 LPFC_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
516 # lun_queue_depth: This parameter is used to limit the number of outstanding
517 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
519 LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
520 "Max number of FCP commands we can queue to a specific LUN");
523 # hba_queue_depth: This parameter is used to limit the number of outstanding
524 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
525 # value is greater than the maximum number of exchanges supported by the HBA,
526 # then maximum number of exchanges supported by the HBA is used to determine
527 # the hba_queue_depth.
529 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
530 "Max number of FCP commands we can queue to a lpfc HBA");
533 # Some disk devices have a "select ID" or "select Target" capability.
534 # From a protocol standpoint "select ID" usually means select the
535 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
536 # annex" which contains a table that maps a "select ID" (a number
537 # between 0 and 7F) to an ALPA. By default, for compatibility with
538 # older drivers, the lpfc driver scans this table from low ALPA to high
541 # Turning on the scan-down variable (on = 1, off = 0) will
542 # cause the lpfc driver to use an inverted table, effectively
543 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
545 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
546 # and will not work across a fabric. Also this parameter will take
547 # effect only in the case when ALPA map is not available.)
549 LPFC_ATTR_R(scan_down, 1, 0, 1,
550 "Start scanning for devices from highest ALPA to lowest");
553 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
554 # until the timer expires. Value range is [0,255]. Default value is 30.
555 # NOTE: this MUST be less then the SCSI Layer command timeout - 1.
557 LPFC_ATTR_RW(nodev_tmo, 30, 0, 255,
558 "Seconds driver will hold I/O waiting for a device to come back");
561 # lpfc_topology: link topology for init link
562 # 0x0 = attempt loop mode then point-to-point
563 # 0x02 = attempt point-to-point mode only
564 # 0x04 = attempt loop mode only
565 # 0x06 = attempt point-to-point mode then loop
566 # Set point-to-point mode if you want to run as an N_Port.
567 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
568 # Default value is 0.
570 LPFC_ATTR_R(topology, 0, 0, 6, "Select Fibre Channel topology");
573 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
575 # 0 = auto select (default)
579 # Value range is [0,4]. Default value is 0.
581 LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed");
584 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
585 # Value range is [2,3]. Default value is 3.
587 LPFC_ATTR_R(fcp_class, 3, 2, 3,
588 "Select Fibre Channel class of service for FCP sequences");
591 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
592 # is [0,1]. Default value is 0.
594 LPFC_ATTR_RW(use_adisc, 0, 0, 1,
595 "Use ADISC on rediscovery to authenticate FCP devices");
598 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
599 # range is [0,1]. Default value is 0.
601 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
604 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
605 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
606 # value [0,63]. cr_count can take value [0,255]. Default value of cr_delay
607 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
608 # cr_delay is set to 0.
610 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an"
611 "interrupt response is generated");
613 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an"
614 "interrupt response is generated");
617 # lpfc_fdmi_on: controls FDMI support.
618 # 0 = no FDMI support
619 # 1 = support FDMI without attribute of hostname
620 # 2 = support FDMI with attribute of hostname
621 # Value range [0,2]. Default value is 0.
623 LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
626 # Specifies the maximum number of ELS cmds we can have outstanding (for
627 # discovery). Value range is [1,64]. Default value = 32.
629 LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands"
633 # lpfc_max_luns: maximum number of LUNs per target driver will support
634 # Value range is [1,32768]. Default value is 256.
635 # NOTE: The SCSI layer will scan each target for this many luns
637 LPFC_ATTR_R(max_luns, 256, 1, 32768,
638 "Maximum number of LUNs per target driver will support");
641 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
642 # Value range is [1,255], default value is 10.
644 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
645 "Milliseconds driver will wait between polling FCP ring");
647 struct class_device_attribute *lpfc_host_attrs[] = {
648 &class_device_attr_info,
649 &class_device_attr_serialnum,
650 &class_device_attr_modeldesc,
651 &class_device_attr_modelname,
652 &class_device_attr_programtype,
653 &class_device_attr_portnum,
654 &class_device_attr_fwrev,
655 &class_device_attr_hdw,
656 &class_device_attr_option_rom_version,
657 &class_device_attr_state,
658 &class_device_attr_num_discovered_ports,
659 &class_device_attr_lpfc_drvr_version,
660 &class_device_attr_lpfc_log_verbose,
661 &class_device_attr_lpfc_lun_queue_depth,
662 &class_device_attr_lpfc_hba_queue_depth,
663 &class_device_attr_lpfc_nodev_tmo,
664 &class_device_attr_lpfc_fcp_class,
665 &class_device_attr_lpfc_use_adisc,
666 &class_device_attr_lpfc_ack0,
667 &class_device_attr_lpfc_topology,
668 &class_device_attr_lpfc_scan_down,
669 &class_device_attr_lpfc_link_speed,
670 &class_device_attr_lpfc_cr_delay,
671 &class_device_attr_lpfc_cr_count,
672 &class_device_attr_lpfc_fdmi_on,
673 &class_device_attr_lpfc_max_luns,
674 &class_device_attr_nport_evt_cnt,
675 &class_device_attr_management_version,
676 &class_device_attr_board_online,
677 &class_device_attr_lpfc_poll,
678 &class_device_attr_lpfc_poll_tmo,
683 sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
686 struct Scsi_Host *host = class_to_shost(container_of(kobj,
687 struct class_device, kobj));
688 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
690 if ((off + count) > FF_REG_AREA_SIZE)
693 if (count == 0) return 0;
695 if (off % 4 || count % 4 || (unsigned long)buf % 4)
698 spin_lock_irq(phba->host->host_lock);
700 if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
701 spin_unlock_irq(phba->host->host_lock);
705 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
706 writel(*((uint32_t *)(buf + buf_off)),
707 phba->ctrl_regs_memmap_p + off + buf_off);
709 spin_unlock_irq(phba->host->host_lock);
715 sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
719 struct Scsi_Host *host = class_to_shost(container_of(kobj,
720 struct class_device, kobj));
721 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
723 if (off > FF_REG_AREA_SIZE)
726 if ((off + count) > FF_REG_AREA_SIZE)
727 count = FF_REG_AREA_SIZE - off;
729 if (count == 0) return 0;
731 if (off % 4 || count % 4 || (unsigned long)buf % 4)
734 spin_lock_irq(phba->host->host_lock);
736 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
737 tmp_ptr = (uint32_t *)(buf + buf_off);
738 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
741 spin_unlock_irq(phba->host->host_lock);
746 static struct bin_attribute sysfs_ctlreg_attr = {
749 .mode = S_IRUSR | S_IWUSR,
750 .owner = THIS_MODULE,
753 .read = sysfs_ctlreg_read,
754 .write = sysfs_ctlreg_write,
759 sysfs_mbox_idle (struct lpfc_hba * phba)
761 phba->sysfs_mbox.state = SMBOX_IDLE;
762 phba->sysfs_mbox.offset = 0;
764 if (phba->sysfs_mbox.mbox) {
765 mempool_free(phba->sysfs_mbox.mbox,
766 phba->mbox_mem_pool);
767 phba->sysfs_mbox.mbox = NULL;
772 sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
774 struct Scsi_Host * host =
775 class_to_shost(container_of(kobj, struct class_device, kobj));
776 struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata[0];
777 struct lpfcMboxq * mbox = NULL;
779 if ((count + off) > MAILBOX_CMD_SIZE)
782 if (off % 4 || count % 4 || (unsigned long)buf % 4)
789 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
795 spin_lock_irq(host->host_lock);
798 if (phba->sysfs_mbox.mbox)
799 mempool_free(mbox, phba->mbox_mem_pool);
801 phba->sysfs_mbox.mbox = mbox;
802 phba->sysfs_mbox.state = SMBOX_WRITING;
804 if (phba->sysfs_mbox.state != SMBOX_WRITING ||
805 phba->sysfs_mbox.offset != off ||
806 phba->sysfs_mbox.mbox == NULL ) {
807 sysfs_mbox_idle(phba);
808 spin_unlock_irq(host->host_lock);
813 memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
816 phba->sysfs_mbox.offset = off + count;
818 spin_unlock_irq(host->host_lock);
824 sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
826 struct Scsi_Host *host =
827 class_to_shost(container_of(kobj, struct class_device,
829 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
832 if (off > sizeof(MAILBOX_t))
835 if ((count + off) > sizeof(MAILBOX_t))
836 count = sizeof(MAILBOX_t) - off;
838 if (off % 4 || count % 4 || (unsigned long)buf % 4)
841 if (off && count == 0)
844 spin_lock_irq(phba->host->host_lock);
847 phba->sysfs_mbox.state == SMBOX_WRITING &&
848 phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
850 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
855 case MBX_CONFIG_LINK:
856 case MBX_CONFIG_RING:
858 case MBX_UNREG_LOGIN:
860 case MBX_DUMP_CONTEXT:
863 case MBX_FLASH_WR_ULA:
867 if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
868 printk(KERN_WARNING "mbox_read:Command 0x%x "
869 "is illegal in on-line state\n",
870 phba->sysfs_mbox.mbox->mb.mbxCommand);
871 sysfs_mbox_idle(phba);
872 spin_unlock_irq(phba->host->host_lock);
877 case MBX_READ_CONFIG:
878 case MBX_READ_RCONFIG:
879 case MBX_READ_STATUS:
882 case MBX_READ_LNK_STAT:
883 case MBX_DUMP_MEMORY:
887 case MBX_LOAD_EXP_ROM:
889 case MBX_READ_SPARM64:
893 case MBX_REG_LOGIN64:
894 case MBX_CONFIG_PORT:
895 case MBX_RUN_BIU_DIAG:
896 printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
897 phba->sysfs_mbox.mbox->mb.mbxCommand);
898 sysfs_mbox_idle(phba);
899 spin_unlock_irq(phba->host->host_lock);
902 printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
903 phba->sysfs_mbox.mbox->mb.mbxCommand);
904 sysfs_mbox_idle(phba);
905 spin_unlock_irq(phba->host->host_lock);
909 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
910 (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
912 spin_unlock_irq(phba->host->host_lock);
913 rc = lpfc_sli_issue_mbox (phba,
914 phba->sysfs_mbox.mbox,
916 spin_lock_irq(phba->host->host_lock);
919 spin_unlock_irq(phba->host->host_lock);
920 rc = lpfc_sli_issue_mbox_wait (phba,
921 phba->sysfs_mbox.mbox,
923 spin_lock_irq(phba->host->host_lock);
926 if (rc != MBX_SUCCESS) {
927 sysfs_mbox_idle(phba);
928 spin_unlock_irq(host->host_lock);
931 phba->sysfs_mbox.state = SMBOX_READING;
933 else if (phba->sysfs_mbox.offset != off ||
934 phba->sysfs_mbox.state != SMBOX_READING) {
935 printk(KERN_WARNING "mbox_read: Bad State\n");
936 sysfs_mbox_idle(phba);
937 spin_unlock_irq(host->host_lock);
941 memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
943 phba->sysfs_mbox.offset = off + count;
945 if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t))
946 sysfs_mbox_idle(phba);
948 spin_unlock_irq(phba->host->host_lock);
953 static struct bin_attribute sysfs_mbox_attr = {
956 .mode = S_IRUSR | S_IWUSR,
957 .owner = THIS_MODULE,
959 .size = sizeof(MAILBOX_t),
960 .read = sysfs_mbox_read,
961 .write = sysfs_mbox_write,
965 lpfc_alloc_sysfs_attr(struct lpfc_hba *phba)
967 struct Scsi_Host *host = phba->host;
970 error = sysfs_create_bin_file(&host->shost_classdev.kobj,
975 error = sysfs_create_bin_file(&host->shost_classdev.kobj,
978 goto out_remove_ctlreg_attr;
981 out_remove_ctlreg_attr:
982 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
988 lpfc_free_sysfs_attr(struct lpfc_hba *phba)
990 struct Scsi_Host *host = phba->host;
992 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr);
993 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
998 * Dynamic FC Host Attributes Support
1002 lpfc_get_host_port_id(struct Scsi_Host *shost)
1004 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
1005 /* note: fc_myDID already in cpu endianness */
1006 fc_host_port_id(shost) = phba->fc_myDID;
1010 lpfc_get_host_port_type(struct Scsi_Host *shost)
1012 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
1014 spin_lock_irq(shost->host_lock);
1016 if (phba->hba_state == LPFC_HBA_READY) {
1017 if (phba->fc_topology == TOPOLOGY_LOOP) {
1018 if (phba->fc_flag & FC_PUBLIC_LOOP)
1019 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
1021 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
1023 if (phba->fc_flag & FC_FABRIC)
1024 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
1026 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
1029 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
1031 spin_unlock_irq(shost->host_lock);
1035 lpfc_get_host_port_state(struct Scsi_Host *shost)
1037 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
1039 spin_lock_irq(shost->host_lock);
1041 if (phba->fc_flag & FC_OFFLINE_MODE)
1042 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1044 switch (phba->hba_state) {
1045 case LPFC_INIT_START:
1046 case LPFC_INIT_MBX_CMDS:
1047 case LPFC_LINK_DOWN:
1048 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1051 case LPFC_LOCAL_CFG_LINK:
1053 case LPFC_FABRIC_CFG_LINK:
1056 case LPFC_BUILD_DISC_LIST:
1057 case LPFC_DISC_AUTH:
1059 case LPFC_HBA_READY:
1060 /* Links up, beyond this port_type reports state */
1061 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1063 case LPFC_HBA_ERROR:
1064 fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
1067 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1072 spin_unlock_irq(shost->host_lock);
1076 lpfc_get_host_speed(struct Scsi_Host *shost)
1078 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
1080 spin_lock_irq(shost->host_lock);
1082 if (phba->hba_state == LPFC_HBA_READY) {
1083 switch(phba->fc_linkspeed) {
1085 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
1088 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
1091 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
1094 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
1099 spin_unlock_irq(shost->host_lock);
1103 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
1105 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
1108 spin_lock_irq(shost->host_lock);
1110 if ((phba->fc_flag & FC_FABRIC) ||
1111 ((phba->fc_topology == TOPOLOGY_LOOP) &&
1112 (phba->fc_flag & FC_PUBLIC_LOOP)))
1113 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
1115 /* fabric is local port if there is no F/FL_Port */
1116 node_name = wwn_to_u64(phba->fc_nodename.u.wwn);
1118 spin_unlock_irq(shost->host_lock);
1120 fc_host_fabric_name(shost) = node_name;
1124 static struct fc_host_statistics *
1125 lpfc_get_stats(struct Scsi_Host *shost)
1127 struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
1128 struct lpfc_sli *psli = &phba->sli;
1129 struct fc_host_statistics *hs = &phba->link_stats;
1130 LPFC_MBOXQ_t *pmboxq;
1134 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1137 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1140 pmb->mbxCommand = MBX_READ_STATUS;
1141 pmb->mbxOwner = OWN_HOST;
1142 pmboxq->context1 = NULL;
1144 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1145 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1146 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1148 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1150 if (rc != MBX_SUCCESS) {
1151 if (rc == MBX_TIMEOUT)
1152 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1154 mempool_free(pmboxq, phba->mbox_mem_pool);
1158 memset(hs, 0, sizeof (struct fc_host_statistics));
1160 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
1161 hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
1162 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
1163 hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
1165 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1166 pmb->mbxCommand = MBX_READ_LNK_STAT;
1167 pmb->mbxOwner = OWN_HOST;
1168 pmboxq->context1 = NULL;
1170 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1171 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1172 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1174 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1176 if (rc != MBX_SUCCESS) {
1177 if (rc == MBX_TIMEOUT)
1178 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1180 mempool_free( pmboxq, phba->mbox_mem_pool);
1184 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1185 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1186 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1187 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1188 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1189 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1190 hs->error_frames = pmb->un.varRdLnk.crcCnt;
1192 if (phba->fc_topology == TOPOLOGY_LOOP) {
1193 hs->lip_count = (phba->fc_eventTag >> 1);
1197 hs->nos_count = (phba->fc_eventTag >> 1);
1200 hs->dumped_frames = -1;
1203 /*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/
1210 * The LPFC driver treats linkdown handling as target loss events so there
1211 * are no sysfs handlers for link_down_tmo.
1214 lpfc_get_starget_port_id(struct scsi_target *starget)
1216 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1217 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1219 struct lpfc_nodelist *ndlp = NULL;
1221 spin_lock_irq(shost->host_lock);
1222 /* Search the mapped list for this target ID */
1223 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1224 if (starget->id == ndlp->nlp_sid) {
1225 did = ndlp->nlp_DID;
1229 spin_unlock_irq(shost->host_lock);
1231 fc_starget_port_id(starget) = did;
1235 lpfc_get_starget_node_name(struct scsi_target *starget)
1237 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1238 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1240 struct lpfc_nodelist *ndlp = NULL;
1242 spin_lock_irq(shost->host_lock);
1243 /* Search the mapped list for this target ID */
1244 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1245 if (starget->id == ndlp->nlp_sid) {
1246 node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
1250 spin_unlock_irq(shost->host_lock);
1252 fc_starget_node_name(starget) = node_name;
1256 lpfc_get_starget_port_name(struct scsi_target *starget)
1258 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1259 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1261 struct lpfc_nodelist *ndlp = NULL;
1263 spin_lock_irq(shost->host_lock);
1264 /* Search the mapped list for this target ID */
1265 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1266 if (starget->id == ndlp->nlp_sid) {
1267 port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
1271 spin_unlock_irq(shost->host_lock);
1273 fc_starget_port_name(starget) = port_name;
1277 lpfc_get_rport_loss_tmo(struct fc_rport *rport)
1280 * Return the driver's global value for device loss timeout plus
1281 * five seconds to allow the driver's nodev timer to run.
1283 rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
1287 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1290 * The driver doesn't have a per-target timeout setting. Set
1291 * this value globally. lpfc_nodev_tmo should be greater then 0.
1294 lpfc_nodev_tmo = timeout;
1297 rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
1301 #define lpfc_rport_show_function(field, format_string, sz, cast) \
1303 lpfc_show_rport_##field (struct class_device *cdev, char *buf) \
1305 struct fc_rport *rport = transport_class_to_rport(cdev); \
1306 struct lpfc_rport_data *rdata = rport->hostdata; \
1307 return snprintf(buf, sz, format_string, \
1308 (rdata->target) ? cast rdata->target->field : 0); \
1311 #define lpfc_rport_rd_attr(field, format_string, sz) \
1312 lpfc_rport_show_function(field, format_string, sz, ) \
1313 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
1316 struct fc_function_template lpfc_transport_functions = {
1317 /* fixed attributes the driver supports */
1318 .show_host_node_name = 1,
1319 .show_host_port_name = 1,
1320 .show_host_supported_classes = 1,
1321 .show_host_supported_fc4s = 1,
1322 .show_host_symbolic_name = 1,
1323 .show_host_supported_speeds = 1,
1324 .show_host_maxframe_size = 1,
1326 /* dynamic attributes the driver supports */
1327 .get_host_port_id = lpfc_get_host_port_id,
1328 .show_host_port_id = 1,
1330 .get_host_port_type = lpfc_get_host_port_type,
1331 .show_host_port_type = 1,
1333 .get_host_port_state = lpfc_get_host_port_state,
1334 .show_host_port_state = 1,
1336 /* active_fc4s is shown but doesn't change (thus no get function) */
1337 .show_host_active_fc4s = 1,
1339 .get_host_speed = lpfc_get_host_speed,
1340 .show_host_speed = 1,
1342 .get_host_fabric_name = lpfc_get_host_fabric_name,
1343 .show_host_fabric_name = 1,
1346 * The LPFC driver treats linkdown handling as target loss events
1347 * so there are no sysfs handlers for link_down_tmo.
1350 .get_fc_host_stats = lpfc_get_stats,
1352 /* the LPFC driver doesn't support resetting stats yet */
1354 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
1355 .show_rport_maxframe_size = 1,
1356 .show_rport_supported_classes = 1,
1358 .get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo,
1359 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
1360 .show_rport_dev_loss_tmo = 1,
1362 .get_starget_port_id = lpfc_get_starget_port_id,
1363 .show_starget_port_id = 1,
1365 .get_starget_node_name = lpfc_get_starget_node_name,
1366 .show_starget_node_name = 1,
1368 .get_starget_port_name = lpfc_get_starget_port_name,
1369 .show_starget_port_name = 1,
1371 .issue_fc_host_lip = lpfc_issue_lip,
1375 lpfc_get_cfgparam(struct lpfc_hba *phba)
1377 lpfc_log_verbose_init(phba, lpfc_log_verbose);
1378 lpfc_cr_delay_init(phba, lpfc_cr_delay);
1379 lpfc_cr_count_init(phba, lpfc_cr_count);
1380 lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
1381 lpfc_fcp_class_init(phba, lpfc_fcp_class);
1382 lpfc_use_adisc_init(phba, lpfc_use_adisc);
1383 lpfc_ack0_init(phba, lpfc_ack0);
1384 lpfc_topology_init(phba, lpfc_topology);
1385 lpfc_scan_down_init(phba, lpfc_scan_down);
1386 lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
1387 lpfc_link_speed_init(phba, lpfc_link_speed);
1388 lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
1389 lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
1390 lpfc_max_luns_init(phba, lpfc_max_luns);
1391 lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
1393 phba->cfg_poll = lpfc_poll;
1396 * The total number of segments is the configuration value plus 2
1397 * since the IOCB need a command and response bde.
1399 phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
1402 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
1403 * used to create the sg_dma_buf_pool must be dynamically calculated
1405 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
1406 sizeof(struct fcp_rsp) +
1407 (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
1409 switch (phba->pcidev->device) {
1410 case PCI_DEVICE_ID_LP101:
1411 case PCI_DEVICE_ID_BSMB:
1412 case PCI_DEVICE_ID_ZSMB:
1413 phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH;
1415 case PCI_DEVICE_ID_RFLY:
1416 case PCI_DEVICE_ID_PFLY:
1417 case PCI_DEVICE_ID_BMID:
1418 case PCI_DEVICE_ID_ZMID:
1419 case PCI_DEVICE_ID_TFLY:
1420 phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH;
1423 phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH;
1426 if (phba->cfg_hba_queue_depth > lpfc_hba_queue_depth)
1427 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);