1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
22 #include <linux/ctype.h>
23 #include <linux/delay.h>
24 #include <linux/pci.h>
25 #include <linux/interrupt.h>
27 #include <scsi/scsi.h>
28 #include <scsi/scsi_device.h>
29 #include <scsi/scsi_host.h>
30 #include <scsi/scsi_tcq.h>
31 #include <scsi/scsi_transport_fc.h>
36 #include "lpfc_sli4.h"
38 #include "lpfc_disc.h"
39 #include "lpfc_scsi.h"
41 #include "lpfc_logmsg.h"
42 #include "lpfc_version.h"
43 #include "lpfc_compat.h"
44 #include "lpfc_crtn.h"
45 #include "lpfc_vport.h"
47 #define LPFC_DEF_DEVLOSS_TMO 30
48 #define LPFC_MIN_DEVLOSS_TMO 1
49 #define LPFC_MAX_DEVLOSS_TMO 255
51 #define LPFC_MAX_LINK_SPEED 8
52 #define LPFC_LINK_SPEED_BITMAP 0x00000117
53 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8"
56 * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules
57 * @incr: integer to convert.
58 * @hdw: ascii string holding converted integer plus a string terminator.
61 * JEDEC Joint Electron Device Engineering Council.
62 * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii
63 * character string. The string is then terminated with a NULL in byte 9.
64 * Hex 0-9 becomes ascii '0' to '9'.
65 * Hex a-f becomes ascii '=' to 'B' capital B.
68 * Coded for 32 bit integers only.
71 lpfc_jedec_to_ascii(int incr, char hdw[])
74 for (i = 0; i < 8; i++) {
77 hdw[7 - i] = 0x30 + j;
79 hdw[7 - i] = 0x61 + j - 10;
87 * lpfc_drvr_version_show - Return the Emulex driver string with version number
88 * @dev: class unused variable.
89 * @attr: device attribute, not used.
90 * @buf: on return contains the module description text.
92 * Returns: size of formatted string.
95 lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr,
98 return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
102 lpfc_bg_info_show(struct device *dev, struct device_attribute *attr,
105 struct Scsi_Host *shost = class_to_shost(dev);
106 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
107 struct lpfc_hba *phba = vport->phba;
109 if (phba->cfg_enable_bg)
110 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
111 return snprintf(buf, PAGE_SIZE, "BlockGuard Enabled\n");
113 return snprintf(buf, PAGE_SIZE,
114 "BlockGuard Not Supported\n");
116 return snprintf(buf, PAGE_SIZE,
117 "BlockGuard Disabled\n");
121 lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr,
124 struct Scsi_Host *shost = class_to_shost(dev);
125 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
126 struct lpfc_hba *phba = vport->phba;
128 return snprintf(buf, PAGE_SIZE, "%llu\n",
129 (unsigned long long)phba->bg_guard_err_cnt);
133 lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr,
136 struct Scsi_Host *shost = class_to_shost(dev);
137 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
138 struct lpfc_hba *phba = vport->phba;
140 return snprintf(buf, PAGE_SIZE, "%llu\n",
141 (unsigned long long)phba->bg_apptag_err_cnt);
145 lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr,
148 struct Scsi_Host *shost = class_to_shost(dev);
149 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
150 struct lpfc_hba *phba = vport->phba;
152 return snprintf(buf, PAGE_SIZE, "%llu\n",
153 (unsigned long long)phba->bg_reftag_err_cnt);
157 * lpfc_info_show - Return some pci info about the host in ascii
158 * @dev: class converted to a Scsi_host structure.
159 * @attr: device attribute, not used.
160 * @buf: on return contains the formatted text from lpfc_info().
162 * Returns: size of formatted string.
165 lpfc_info_show(struct device *dev, struct device_attribute *attr,
168 struct Scsi_Host *host = class_to_shost(dev);
170 return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
174 * lpfc_serialnum_show - Return the hba serial number in ascii
175 * @dev: class converted to a Scsi_host structure.
176 * @attr: device attribute, not used.
177 * @buf: on return contains the formatted text serial number.
179 * Returns: size of formatted string.
182 lpfc_serialnum_show(struct device *dev, struct device_attribute *attr,
185 struct Scsi_Host *shost = class_to_shost(dev);
186 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
187 struct lpfc_hba *phba = vport->phba;
189 return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
193 * lpfc_temp_sensor_show - Return the temperature sensor level
194 * @dev: class converted to a Scsi_host structure.
195 * @attr: device attribute, not used.
196 * @buf: on return contains the formatted support level.
199 * Returns a number indicating the temperature sensor level currently
200 * supported, zero or one in ascii.
202 * Returns: size of formatted string.
205 lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr,
208 struct Scsi_Host *shost = class_to_shost(dev);
209 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
210 struct lpfc_hba *phba = vport->phba;
211 return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support);
215 * lpfc_modeldesc_show - Return the model description of the hba
216 * @dev: class converted to a Scsi_host structure.
217 * @attr: device attribute, not used.
218 * @buf: on return contains the scsi vpd model description.
220 * Returns: size of formatted string.
223 lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr,
226 struct Scsi_Host *shost = class_to_shost(dev);
227 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
228 struct lpfc_hba *phba = vport->phba;
230 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
234 * lpfc_modelname_show - Return the model name of the hba
235 * @dev: class converted to a Scsi_host structure.
236 * @attr: device attribute, not used.
237 * @buf: on return contains the scsi vpd model name.
239 * Returns: size of formatted string.
242 lpfc_modelname_show(struct device *dev, struct device_attribute *attr,
245 struct Scsi_Host *shost = class_to_shost(dev);
246 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
247 struct lpfc_hba *phba = vport->phba;
249 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
253 * lpfc_programtype_show - Return the program type of the hba
254 * @dev: class converted to a Scsi_host structure.
255 * @attr: device attribute, not used.
256 * @buf: on return contains the scsi vpd program type.
258 * Returns: size of formatted string.
261 lpfc_programtype_show(struct device *dev, struct device_attribute *attr,
264 struct Scsi_Host *shost = class_to_shost(dev);
265 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
266 struct lpfc_hba *phba = vport->phba;
268 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
272 * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag
273 * @dev: class converted to a Scsi_host structure.
274 * @attr: device attribute, not used.
275 * @buf: on return contains the Menlo Maintenance sli flag.
277 * Returns: size of formatted string.
280 lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf)
282 struct Scsi_Host *shost = class_to_shost(dev);
283 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
284 struct lpfc_hba *phba = vport->phba;
286 return snprintf(buf, PAGE_SIZE, "%d\n",
287 (phba->sli.sli_flag & LPFC_MENLO_MAINT));
291 * lpfc_vportnum_show - Return the port number in ascii of the hba
292 * @dev: class converted to a Scsi_host structure.
293 * @attr: device attribute, not used.
294 * @buf: on return contains scsi vpd program type.
296 * Returns: size of formatted string.
299 lpfc_vportnum_show(struct device *dev, struct device_attribute *attr,
302 struct Scsi_Host *shost = class_to_shost(dev);
303 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
304 struct lpfc_hba *phba = vport->phba;
306 return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
310 * lpfc_fwrev_show - Return the firmware rev running in the hba
311 * @dev: class converted to a Scsi_host structure.
312 * @attr: device attribute, not used.
313 * @buf: on return contains the scsi vpd program type.
315 * Returns: size of formatted string.
318 lpfc_fwrev_show(struct device *dev, struct device_attribute *attr,
321 struct Scsi_Host *shost = class_to_shost(dev);
322 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
323 struct lpfc_hba *phba = vport->phba;
326 lpfc_decode_firmware_rev(phba, fwrev, 1);
327 return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev);
331 * lpfc_hdw_show - Return the jedec information about the hba
332 * @dev: class converted to a Scsi_host structure.
333 * @attr: device attribute, not used.
334 * @buf: on return contains the scsi vpd program type.
336 * Returns: size of formatted string.
339 lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf)
342 struct Scsi_Host *shost = class_to_shost(dev);
343 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
344 struct lpfc_hba *phba = vport->phba;
345 lpfc_vpd_t *vp = &phba->vpd;
347 lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
348 return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
352 * lpfc_option_rom_version_show - Return the adapter ROM FCode version
353 * @dev: class converted to a Scsi_host structure.
354 * @attr: device attribute, not used.
355 * @buf: on return contains the ROM and FCode ascii strings.
357 * Returns: size of formatted string.
360 lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr,
363 struct Scsi_Host *shost = class_to_shost(dev);
364 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
365 struct lpfc_hba *phba = vport->phba;
367 return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
371 * lpfc_state_show - Return the link state of the port
372 * @dev: class converted to a Scsi_host structure.
373 * @attr: device attribute, not used.
374 * @buf: on return contains text describing the state of the link.
377 * The switch statement has no default so zero will be returned.
379 * Returns: size of formatted string.
382 lpfc_link_state_show(struct device *dev, struct device_attribute *attr,
385 struct Scsi_Host *shost = class_to_shost(dev);
386 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
387 struct lpfc_hba *phba = vport->phba;
390 switch (phba->link_state) {
391 case LPFC_LINK_UNKNOWN:
392 case LPFC_WARM_START:
393 case LPFC_INIT_START:
394 case LPFC_INIT_MBX_CMDS:
397 len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
402 len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - ");
404 switch (vport->port_state) {
405 case LPFC_LOCAL_CFG_LINK:
406 len += snprintf(buf + len, PAGE_SIZE-len,
407 "Configuring Link\n");
411 case LPFC_FABRIC_CFG_LINK:
414 case LPFC_BUILD_DISC_LIST:
416 len += snprintf(buf + len, PAGE_SIZE - len,
419 case LPFC_VPORT_READY:
420 len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n");
423 case LPFC_VPORT_FAILED:
424 len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n");
427 case LPFC_VPORT_UNKNOWN:
428 len += snprintf(buf + len, PAGE_SIZE - len,
432 if (phba->sli.sli_flag & LPFC_MENLO_MAINT)
433 len += snprintf(buf + len, PAGE_SIZE-len,
434 " Menlo Maint Mode\n");
435 else if (phba->fc_topology == TOPOLOGY_LOOP) {
436 if (vport->fc_flag & FC_PUBLIC_LOOP)
437 len += snprintf(buf + len, PAGE_SIZE-len,
440 len += snprintf(buf + len, PAGE_SIZE-len,
443 if (vport->fc_flag & FC_FABRIC)
444 len += snprintf(buf + len, PAGE_SIZE-len,
447 len += snprintf(buf + len, PAGE_SIZE-len,
456 * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports
457 * @dev: class device that is converted into a Scsi_host.
458 * @attr: device attribute, not used.
459 * @buf: on return contains the sum of fc mapped and unmapped.
462 * Returns the ascii text number of the sum of the fc mapped and unmapped
465 * Returns: size of formatted string.
468 lpfc_num_discovered_ports_show(struct device *dev,
469 struct device_attribute *attr, char *buf)
471 struct Scsi_Host *shost = class_to_shost(dev);
472 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
474 return snprintf(buf, PAGE_SIZE, "%d\n",
475 vport->fc_map_cnt + vport->fc_unmap_cnt);
479 * lpfc_issue_lip - Misnomer, name carried over from long ago
480 * @shost: Scsi_Host pointer.
483 * Bring the link down gracefully then re-init the link. The firmware will
484 * re-init the fiber channel interface as required. Does not issue a LIP.
487 * -EPERM port offline or management commands are being blocked
488 * -ENOMEM cannot allocate memory for the mailbox command
489 * -EIO error sending the mailbox command
493 lpfc_issue_lip(struct Scsi_Host *shost)
495 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
496 struct lpfc_hba *phba = vport->phba;
497 LPFC_MBOXQ_t *pmboxq;
498 int mbxstatus = MBXERR_ERROR;
500 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
501 (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO))
504 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
509 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
510 pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK;
511 pmboxq->u.mb.mbxOwner = OWN_HOST;
513 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
515 if ((mbxstatus == MBX_SUCCESS) &&
516 (pmboxq->u.mb.mbxStatus == 0 ||
517 pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) {
518 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
519 lpfc_init_link(phba, pmboxq, phba->cfg_topology,
520 phba->cfg_link_speed);
521 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
525 lpfc_set_loopback_flag(phba);
526 if (mbxstatus != MBX_TIMEOUT)
527 mempool_free(pmboxq, phba->mbox_mem_pool);
529 if (mbxstatus == MBXERR_ERROR)
536 * lpfc_do_offline - Issues a mailbox command to bring the link down
537 * @phba: lpfc_hba pointer.
538 * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL.
541 * Assumes any error from lpfc_do_offline() will be negative.
542 * Can wait up to 5 seconds for the port ring buffers count
543 * to reach zero, prints a warning if it is not zero and continues.
544 * lpfc_workq_post_event() returns a non-zero return code if call fails.
547 * -EIO error posting the event
551 lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
553 struct completion online_compl;
554 struct lpfc_sli_ring *pring;
555 struct lpfc_sli *psli;
560 init_completion(&online_compl);
561 lpfc_workq_post_event(phba, &status, &online_compl,
562 LPFC_EVT_OFFLINE_PREP);
563 wait_for_completion(&online_compl);
570 /* Wait a little for things to settle down, but not
571 * long enough for dev loss timeout to expire.
573 for (i = 0; i < psli->num_rings; i++) {
574 pring = &psli->ring[i];
575 while (pring->txcmplq_cnt) {
577 if (cnt++ > 500) { /* 5 secs */
578 lpfc_printf_log(phba,
579 KERN_WARNING, LOG_INIT,
580 "0466 Outstanding IO when "
581 "bringing Adapter offline\n");
587 init_completion(&online_compl);
588 lpfc_workq_post_event(phba, &status, &online_compl, type);
589 wait_for_completion(&online_compl);
598 * lpfc_selective_reset - Offline then onlines the port
599 * @phba: lpfc_hba pointer.
602 * If the port is configured to allow a reset then the hba is brought
603 * offline then online.
606 * Assumes any error from lpfc_do_offline() will be negative.
609 * lpfc_do_offline() return code if not zero
610 * -EIO reset not configured or error posting the event
614 lpfc_selective_reset(struct lpfc_hba *phba)
616 struct completion online_compl;
619 if (!phba->cfg_enable_hba_reset)
622 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
627 init_completion(&online_compl);
628 lpfc_workq_post_event(phba, &status, &online_compl,
630 wait_for_completion(&online_compl);
639 * lpfc_issue_reset - Selectively resets an adapter
640 * @dev: class device that is converted into a Scsi_host.
641 * @attr: device attribute, not used.
642 * @buf: containing the string "selective".
643 * @count: unused variable.
646 * If the buf contains the string "selective" then lpfc_selective_reset()
647 * is called to perform the reset.
650 * Assumes any error from lpfc_selective_reset() will be negative.
651 * If lpfc_selective_reset() returns zero then the length of the buffer
652 * is returned which indicates succcess
655 * -EINVAL if the buffer does not contain the string "selective"
656 * length of buf if lpfc-selective_reset() if the call succeeds
657 * return value of lpfc_selective_reset() if the call fails
660 lpfc_issue_reset(struct device *dev, struct device_attribute *attr,
661 const char *buf, size_t count)
663 struct Scsi_Host *shost = class_to_shost(dev);
664 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
665 struct lpfc_hba *phba = vport->phba;
667 int status = -EINVAL;
669 if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
670 status = lpfc_selective_reset(phba);
679 * lpfc_nport_evt_cnt_show - Return the number of nport events
680 * @dev: class device that is converted into a Scsi_host.
681 * @attr: device attribute, not used.
682 * @buf: on return contains the ascii number of nport events.
684 * Returns: size of formatted string.
687 lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr,
690 struct Scsi_Host *shost = class_to_shost(dev);
691 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
692 struct lpfc_hba *phba = vport->phba;
694 return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
698 * lpfc_board_mode_show - Return the state of the board
699 * @dev: class device that is converted into a Scsi_host.
700 * @attr: device attribute, not used.
701 * @buf: on return contains the state of the adapter.
703 * Returns: size of formatted string.
706 lpfc_board_mode_show(struct device *dev, struct device_attribute *attr,
709 struct Scsi_Host *shost = class_to_shost(dev);
710 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
711 struct lpfc_hba *phba = vport->phba;
714 if (phba->link_state == LPFC_HBA_ERROR)
716 else if (phba->link_state == LPFC_WARM_START)
717 state = "warm start";
718 else if (phba->link_state == LPFC_INIT_START)
723 return snprintf(buf, PAGE_SIZE, "%s\n", state);
727 * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state
728 * @dev: class device that is converted into a Scsi_host.
729 * @attr: device attribute, not used.
730 * @buf: containing one of the strings "online", "offline", "warm" or "error".
731 * @count: unused variable.
734 * -EACCES if enable hba reset not enabled
735 * -EINVAL if the buffer does not contain a valid string (see above)
736 * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails
737 * buf length greater than zero indicates success
740 lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
741 const char *buf, size_t count)
743 struct Scsi_Host *shost = class_to_shost(dev);
744 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
745 struct lpfc_hba *phba = vport->phba;
746 struct completion online_compl;
749 if (!phba->cfg_enable_hba_reset)
751 init_completion(&online_compl);
753 if(strncmp(buf, "online", sizeof("online") - 1) == 0) {
754 lpfc_workq_post_event(phba, &status, &online_compl,
756 wait_for_completion(&online_compl);
757 } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
758 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
759 else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
760 status = lpfc_do_offline(phba, LPFC_EVT_WARM_START);
761 else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
762 status = lpfc_do_offline(phba, LPFC_EVT_KILL);
773 * lpfc_get_hba_info - Return various bits of informaton about the adapter
774 * @phba: pointer to the adapter structure.
775 * @mxri: max xri count.
776 * @axri: available xri count.
777 * @mrpi: max rpi count.
778 * @arpi: available rpi count.
779 * @mvpi: max vpi count.
780 * @avpi: available vpi count.
783 * If an integer pointer for an count is not null then the value for the
791 lpfc_get_hba_info(struct lpfc_hba *phba,
792 uint32_t *mxri, uint32_t *axri,
793 uint32_t *mrpi, uint32_t *arpi,
794 uint32_t *mvpi, uint32_t *avpi)
796 struct lpfc_sli *psli = &phba->sli;
797 struct lpfc_mbx_read_config *rd_config;
798 LPFC_MBOXQ_t *pmboxq;
803 * prevent udev from issuing mailbox commands until the port is
806 if (phba->link_state < LPFC_LINK_DOWN ||
807 !phba->mbox_mem_pool ||
808 (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0)
811 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
814 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
817 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
820 pmb->mbxCommand = MBX_READ_CONFIG;
821 pmb->mbxOwner = OWN_HOST;
822 pmboxq->context1 = NULL;
824 if ((phba->pport->fc_flag & FC_OFFLINE_MODE) ||
825 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
826 rc = MBX_NOT_FINISHED;
828 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
830 if (rc != MBX_SUCCESS) {
831 if (rc != MBX_TIMEOUT)
832 mempool_free(pmboxq, phba->mbox_mem_pool);
836 if (phba->sli_rev == LPFC_SLI_REV4) {
837 rd_config = &pmboxq->u.mqe.un.rd_config;
839 *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
841 *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) -
842 phba->sli4_hba.max_cfg_param.rpi_used;
844 *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
846 *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) -
847 phba->sli4_hba.max_cfg_param.xri_used;
849 *mvpi = bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
851 *avpi = bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) -
852 phba->sli4_hba.max_cfg_param.vpi_used;
855 *mrpi = pmb->un.varRdConfig.max_rpi;
857 *arpi = pmb->un.varRdConfig.avail_rpi;
859 *mxri = pmb->un.varRdConfig.max_xri;
861 *axri = pmb->un.varRdConfig.avail_xri;
863 *mvpi = pmb->un.varRdConfig.max_vpi;
865 *avpi = pmb->un.varRdConfig.avail_vpi;
868 mempool_free(pmboxq, phba->mbox_mem_pool);
873 * lpfc_max_rpi_show - Return maximum rpi
874 * @dev: class device that is converted into a Scsi_host.
875 * @attr: device attribute, not used.
876 * @buf: on return contains the maximum rpi count in decimal or "Unknown".
879 * Calls lpfc_get_hba_info() asking for just the mrpi count.
880 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
881 * to "Unknown" and the buffer length is returned, therefore the caller
882 * must check for "Unknown" in the buffer to detect a failure.
884 * Returns: size of formatted string.
887 lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr,
890 struct Scsi_Host *shost = class_to_shost(dev);
891 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
892 struct lpfc_hba *phba = vport->phba;
895 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL))
896 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
897 return snprintf(buf, PAGE_SIZE, "Unknown\n");
901 * lpfc_used_rpi_show - Return maximum rpi minus available rpi
902 * @dev: class device that is converted into a Scsi_host.
903 * @attr: device attribute, not used.
904 * @buf: containing the used rpi count in decimal or "Unknown".
907 * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts.
908 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
909 * to "Unknown" and the buffer length is returned, therefore the caller
910 * must check for "Unknown" in the buffer to detect a failure.
912 * Returns: size of formatted string.
915 lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr,
918 struct Scsi_Host *shost = class_to_shost(dev);
919 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
920 struct lpfc_hba *phba = vport->phba;
923 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL))
924 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
925 return snprintf(buf, PAGE_SIZE, "Unknown\n");
929 * lpfc_max_xri_show - Return maximum xri
930 * @dev: class device that is converted into a Scsi_host.
931 * @attr: device attribute, not used.
932 * @buf: on return contains the maximum xri count in decimal or "Unknown".
935 * Calls lpfc_get_hba_info() asking for just the mrpi count.
936 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
937 * to "Unknown" and the buffer length is returned, therefore the caller
938 * must check for "Unknown" in the buffer to detect a failure.
940 * Returns: size of formatted string.
943 lpfc_max_xri_show(struct device *dev, struct device_attribute *attr,
946 struct Scsi_Host *shost = class_to_shost(dev);
947 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
948 struct lpfc_hba *phba = vport->phba;
951 if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL))
952 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
953 return snprintf(buf, PAGE_SIZE, "Unknown\n");
957 * lpfc_used_xri_show - Return maximum xpi minus the available xpi
958 * @dev: class device that is converted into a Scsi_host.
959 * @attr: device attribute, not used.
960 * @buf: on return contains the used xri count in decimal or "Unknown".
963 * Calls lpfc_get_hba_info() asking for just the mxri and axri counts.
964 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
965 * to "Unknown" and the buffer length is returned, therefore the caller
966 * must check for "Unknown" in the buffer to detect a failure.
968 * Returns: size of formatted string.
971 lpfc_used_xri_show(struct device *dev, struct device_attribute *attr,
974 struct Scsi_Host *shost = class_to_shost(dev);
975 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
976 struct lpfc_hba *phba = vport->phba;
979 if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL))
980 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
981 return snprintf(buf, PAGE_SIZE, "Unknown\n");
985 * lpfc_max_vpi_show - Return maximum vpi
986 * @dev: class device that is converted into a Scsi_host.
987 * @attr: device attribute, not used.
988 * @buf: on return contains the maximum vpi count in decimal or "Unknown".
991 * Calls lpfc_get_hba_info() asking for just the mvpi count.
992 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
993 * to "Unknown" and the buffer length is returned, therefore the caller
994 * must check for "Unknown" in the buffer to detect a failure.
996 * Returns: size of formatted string.
999 lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr,
1002 struct Scsi_Host *shost = class_to_shost(dev);
1003 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1004 struct lpfc_hba *phba = vport->phba;
1007 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL))
1008 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
1009 return snprintf(buf, PAGE_SIZE, "Unknown\n");
1013 * lpfc_used_vpi_show - Return maximum vpi minus the available vpi
1014 * @dev: class device that is converted into a Scsi_host.
1015 * @attr: device attribute, not used.
1016 * @buf: on return contains the used vpi count in decimal or "Unknown".
1019 * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts.
1020 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1021 * to "Unknown" and the buffer length is returned, therefore the caller
1022 * must check for "Unknown" in the buffer to detect a failure.
1024 * Returns: size of formatted string.
1027 lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr,
1030 struct Scsi_Host *shost = class_to_shost(dev);
1031 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1032 struct lpfc_hba *phba = vport->phba;
1035 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt))
1036 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
1037 return snprintf(buf, PAGE_SIZE, "Unknown\n");
1041 * lpfc_npiv_info_show - Return text about NPIV support for the adapter
1042 * @dev: class device that is converted into a Scsi_host.
1043 * @attr: device attribute, not used.
1044 * @buf: text that must be interpreted to determine if npiv is supported.
1047 * Buffer will contain text indicating npiv is not suppoerted on the port,
1048 * the port is an NPIV physical port, or it is an npiv virtual port with
1049 * the id of the vport.
1051 * Returns: size of formatted string.
1054 lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr,
1057 struct Scsi_Host *shost = class_to_shost(dev);
1058 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1059 struct lpfc_hba *phba = vport->phba;
1061 if (!(phba->max_vpi))
1062 return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n");
1063 if (vport->port_type == LPFC_PHYSICAL_PORT)
1064 return snprintf(buf, PAGE_SIZE, "NPIV Physical\n");
1065 return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi);
1069 * lpfc_poll_show - Return text about poll support for the adapter
1070 * @dev: class device that is converted into a Scsi_host.
1071 * @attr: device attribute, not used.
1072 * @buf: on return contains the cfg_poll in hex.
1075 * cfg_poll should be a lpfc_polling_flags type.
1077 * Returns: size of formatted string.
1080 lpfc_poll_show(struct device *dev, struct device_attribute *attr,
1083 struct Scsi_Host *shost = class_to_shost(dev);
1084 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1085 struct lpfc_hba *phba = vport->phba;
1087 return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
1091 * lpfc_poll_store - Set the value of cfg_poll for the adapter
1092 * @dev: class device that is converted into a Scsi_host.
1093 * @attr: device attribute, not used.
1094 * @buf: one or more lpfc_polling_flags values.
1098 * buf contents converted to integer and checked for a valid value.
1101 * -EINVAL if the buffer connot be converted or is out of range
1102 * length of the buf on success
1105 lpfc_poll_store(struct device *dev, struct device_attribute *attr,
1106 const char *buf, size_t count)
1108 struct Scsi_Host *shost = class_to_shost(dev);
1109 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1110 struct lpfc_hba *phba = vport->phba;
1115 if (!isdigit(buf[0]))
1118 if (sscanf(buf, "%i", &val) != 1)
1121 if ((val & 0x3) != val)
1124 spin_lock_irq(&phba->hbalock);
1126 old_val = phba->cfg_poll;
1128 if (val & ENABLE_FCP_RING_POLLING) {
1129 if ((val & DISABLE_FCP_RING_INT) &&
1130 !(old_val & DISABLE_FCP_RING_INT)) {
1131 creg_val = readl(phba->HCregaddr);
1132 creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
1133 writel(creg_val, phba->HCregaddr);
1134 readl(phba->HCregaddr); /* flush */
1136 lpfc_poll_start_timer(phba);
1138 } else if (val != 0x0) {
1139 spin_unlock_irq(&phba->hbalock);
1143 if (!(val & DISABLE_FCP_RING_INT) &&
1144 (old_val & DISABLE_FCP_RING_INT))
1146 spin_unlock_irq(&phba->hbalock);
1147 del_timer(&phba->fcp_poll_timer);
1148 spin_lock_irq(&phba->hbalock);
1149 creg_val = readl(phba->HCregaddr);
1150 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
1151 writel(creg_val, phba->HCregaddr);
1152 readl(phba->HCregaddr); /* flush */
1155 phba->cfg_poll = val;
1157 spin_unlock_irq(&phba->hbalock);
1163 * lpfc_param_show - Return a cfg attribute value in decimal
1166 * Macro that given an attr e.g. hba_queue_depth expands
1167 * into a function with the name lpfc_hba_queue_depth_show.
1169 * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field.
1170 * @dev: class device that is converted into a Scsi_host.
1171 * @attr: device attribute, not used.
1172 * @buf: on return contains the attribute value in decimal.
1174 * Returns: size of formatted string.
1176 #define lpfc_param_show(attr) \
1178 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1181 struct Scsi_Host *shost = class_to_shost(dev);\
1182 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1183 struct lpfc_hba *phba = vport->phba;\
1185 val = phba->cfg_##attr;\
1186 return snprintf(buf, PAGE_SIZE, "%d\n",\
1191 * lpfc_param_hex_show - Return a cfg attribute value in hex
1194 * Macro that given an attr e.g. hba_queue_depth expands
1195 * into a function with the name lpfc_hba_queue_depth_show
1197 * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field.
1198 * @dev: class device that is converted into a Scsi_host.
1199 * @attr: device attribute, not used.
1200 * @buf: on return contains the attribute value in hexadecimal.
1202 * Returns: size of formatted string.
1204 #define lpfc_param_hex_show(attr) \
1206 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1209 struct Scsi_Host *shost = class_to_shost(dev);\
1210 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1211 struct lpfc_hba *phba = vport->phba;\
1213 val = phba->cfg_##attr;\
1214 return snprintf(buf, PAGE_SIZE, "%#x\n",\
1219 * lpfc_param_init - Intializes a cfg attribute
1222 * Macro that given an attr e.g. hba_queue_depth expands
1223 * into a function with the name lpfc_hba_queue_depth_init. The macro also
1224 * takes a default argument, a minimum and maximum argument.
1226 * lpfc_##attr##_init: Initializes an attribute.
1227 * @phba: pointer the the adapter structure.
1228 * @val: integer attribute value.
1230 * Validates the min and max values then sets the adapter config field
1231 * accordingly, or uses the default if out of range and prints an error message.
1235 * -EINVAL if default used
1237 #define lpfc_param_init(attr, default, minval, maxval) \
1239 lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
1241 if (val >= minval && val <= maxval) {\
1242 phba->cfg_##attr = val;\
1245 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
1246 "0449 lpfc_"#attr" attribute cannot be set to %d, "\
1247 "allowed range is ["#minval", "#maxval"]\n", val); \
1248 phba->cfg_##attr = default;\
1253 * lpfc_param_set - Set a cfg attribute value
1256 * Macro that given an attr e.g. hba_queue_depth expands
1257 * into a function with the name lpfc_hba_queue_depth_set
1259 * lpfc_##attr##_set: Sets an attribute value.
1260 * @phba: pointer the the adapter structure.
1261 * @val: integer attribute value.
1264 * Validates the min and max values then sets the
1265 * adapter config field if in the valid range. prints error message
1266 * and does not set the parameter if invalid.
1270 * -EINVAL if val is invalid
1272 #define lpfc_param_set(attr, default, minval, maxval) \
1274 lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
1276 if (val >= minval && val <= maxval) {\
1277 phba->cfg_##attr = val;\
1280 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
1281 "0450 lpfc_"#attr" attribute cannot be set to %d, "\
1282 "allowed range is ["#minval", "#maxval"]\n", val); \
1287 * lpfc_param_store - Set a vport attribute value
1290 * Macro that given an attr e.g. hba_queue_depth expands
1291 * into a function with the name lpfc_hba_queue_depth_store.
1293 * lpfc_##attr##_store: Set an sttribute value.
1294 * @dev: class device that is converted into a Scsi_host.
1295 * @attr: device attribute, not used.
1296 * @buf: contains the attribute value in ascii.
1300 * Convert the ascii text number to an integer, then
1301 * use the lpfc_##attr##_set function to set the value.
1304 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
1305 * length of buffer upon success.
1307 #define lpfc_param_store(attr) \
1309 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
1310 const char *buf, size_t count) \
1312 struct Scsi_Host *shost = class_to_shost(dev);\
1313 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1314 struct lpfc_hba *phba = vport->phba;\
1316 if (!isdigit(buf[0]))\
1318 if (sscanf(buf, "%i", &val) != 1)\
1320 if (lpfc_##attr##_set(phba, val) == 0) \
1321 return strlen(buf);\
1327 * lpfc_vport_param_show - Return decimal formatted cfg attribute value
1330 * Macro that given an attr e.g. hba_queue_depth expands
1331 * into a function with the name lpfc_hba_queue_depth_show
1333 * lpfc_##attr##_show: prints the attribute value in decimal.
1334 * @dev: class device that is converted into a Scsi_host.
1335 * @attr: device attribute, not used.
1336 * @buf: on return contains the attribute value in decimal.
1338 * Returns: length of formatted string.
1340 #define lpfc_vport_param_show(attr) \
1342 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1345 struct Scsi_Host *shost = class_to_shost(dev);\
1346 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1348 val = vport->cfg_##attr;\
1349 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
1353 * lpfc_vport_param_hex_show - Return hex formatted attribute value
1356 * Macro that given an attr e.g.
1357 * hba_queue_depth expands into a function with the name
1358 * lpfc_hba_queue_depth_show
1360 * lpfc_##attr##_show: prints the attribute value in hexadecimal.
1361 * @dev: class device that is converted into a Scsi_host.
1362 * @attr: device attribute, not used.
1363 * @buf: on return contains the attribute value in hexadecimal.
1365 * Returns: length of formatted string.
1367 #define lpfc_vport_param_hex_show(attr) \
1369 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1372 struct Scsi_Host *shost = class_to_shost(dev);\
1373 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1375 val = vport->cfg_##attr;\
1376 return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
1380 * lpfc_vport_param_init - Initialize a vport cfg attribute
1383 * Macro that given an attr e.g. hba_queue_depth expands
1384 * into a function with the name lpfc_hba_queue_depth_init. The macro also
1385 * takes a default argument, a minimum and maximum argument.
1387 * lpfc_##attr##_init: validates the min and max values then sets the
1388 * adapter config field accordingly, or uses the default if out of range
1389 * and prints an error message.
1390 * @phba: pointer the the adapter structure.
1391 * @val: integer attribute value.
1395 * -EINVAL if default used
1397 #define lpfc_vport_param_init(attr, default, minval, maxval) \
1399 lpfc_##attr##_init(struct lpfc_vport *vport, int val) \
1401 if (val >= minval && val <= maxval) {\
1402 vport->cfg_##attr = val;\
1405 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
1406 "0423 lpfc_"#attr" attribute cannot be set to %d, "\
1407 "allowed range is ["#minval", "#maxval"]\n", val); \
1408 vport->cfg_##attr = default;\
1413 * lpfc_vport_param_set - Set a vport cfg attribute
1416 * Macro that given an attr e.g. hba_queue_depth expands
1417 * into a function with the name lpfc_hba_queue_depth_set
1419 * lpfc_##attr##_set: validates the min and max values then sets the
1420 * adapter config field if in the valid range. prints error message
1421 * and does not set the parameter if invalid.
1422 * @phba: pointer the the adapter structure.
1423 * @val: integer attribute value.
1427 * -EINVAL if val is invalid
1429 #define lpfc_vport_param_set(attr, default, minval, maxval) \
1431 lpfc_##attr##_set(struct lpfc_vport *vport, int val) \
1433 if (val >= minval && val <= maxval) {\
1434 vport->cfg_##attr = val;\
1437 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
1438 "0424 lpfc_"#attr" attribute cannot be set to %d, "\
1439 "allowed range is ["#minval", "#maxval"]\n", val); \
1444 * lpfc_vport_param_store - Set a vport attribute
1447 * Macro that given an attr e.g. hba_queue_depth
1448 * expands into a function with the name lpfc_hba_queue_depth_store
1450 * lpfc_##attr##_store: convert the ascii text number to an integer, then
1451 * use the lpfc_##attr##_set function to set the value.
1452 * @cdev: class device that is converted into a Scsi_host.
1453 * @buf: contains the attribute value in decimal.
1457 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
1458 * length of buffer upon success.
1460 #define lpfc_vport_param_store(attr) \
1462 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
1463 const char *buf, size_t count) \
1465 struct Scsi_Host *shost = class_to_shost(dev);\
1466 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1468 if (!isdigit(buf[0]))\
1470 if (sscanf(buf, "%i", &val) != 1)\
1472 if (lpfc_##attr##_set(vport, val) == 0) \
1473 return strlen(buf);\
1479 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
1480 static int lpfc_##name = defval;\
1481 module_param(lpfc_##name, int, 0);\
1482 MODULE_PARM_DESC(lpfc_##name, desc);\
1483 lpfc_param_init(name, defval, minval, maxval)
1485 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
1486 static int lpfc_##name = defval;\
1487 module_param(lpfc_##name, int, 0);\
1488 MODULE_PARM_DESC(lpfc_##name, desc);\
1489 lpfc_param_show(name)\
1490 lpfc_param_init(name, defval, minval, maxval)\
1491 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1493 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
1494 static int lpfc_##name = defval;\
1495 module_param(lpfc_##name, int, 0);\
1496 MODULE_PARM_DESC(lpfc_##name, desc);\
1497 lpfc_param_show(name)\
1498 lpfc_param_init(name, defval, minval, maxval)\
1499 lpfc_param_set(name, defval, minval, maxval)\
1500 lpfc_param_store(name)\
1501 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1502 lpfc_##name##_show, lpfc_##name##_store)
1504 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
1505 static int lpfc_##name = defval;\
1506 module_param(lpfc_##name, int, 0);\
1507 MODULE_PARM_DESC(lpfc_##name, desc);\
1508 lpfc_param_hex_show(name)\
1509 lpfc_param_init(name, defval, minval, maxval)\
1510 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1512 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
1513 static int lpfc_##name = defval;\
1514 module_param(lpfc_##name, int, 0);\
1515 MODULE_PARM_DESC(lpfc_##name, desc);\
1516 lpfc_param_hex_show(name)\
1517 lpfc_param_init(name, defval, minval, maxval)\
1518 lpfc_param_set(name, defval, minval, maxval)\
1519 lpfc_param_store(name)\
1520 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1521 lpfc_##name##_show, lpfc_##name##_store)
1523 #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \
1524 static int lpfc_##name = defval;\
1525 module_param(lpfc_##name, int, 0);\
1526 MODULE_PARM_DESC(lpfc_##name, desc);\
1527 lpfc_vport_param_init(name, defval, minval, maxval)
1529 #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \
1530 static int lpfc_##name = defval;\
1531 module_param(lpfc_##name, int, 0);\
1532 MODULE_PARM_DESC(lpfc_##name, desc);\
1533 lpfc_vport_param_show(name)\
1534 lpfc_vport_param_init(name, defval, minval, maxval)\
1535 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1537 #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \
1538 static int lpfc_##name = defval;\
1539 module_param(lpfc_##name, int, 0);\
1540 MODULE_PARM_DESC(lpfc_##name, desc);\
1541 lpfc_vport_param_show(name)\
1542 lpfc_vport_param_init(name, defval, minval, maxval)\
1543 lpfc_vport_param_set(name, defval, minval, maxval)\
1544 lpfc_vport_param_store(name)\
1545 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1546 lpfc_##name##_show, lpfc_##name##_store)
1548 #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \
1549 static int lpfc_##name = defval;\
1550 module_param(lpfc_##name, int, 0);\
1551 MODULE_PARM_DESC(lpfc_##name, desc);\
1552 lpfc_vport_param_hex_show(name)\
1553 lpfc_vport_param_init(name, defval, minval, maxval)\
1554 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1556 #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
1557 static int lpfc_##name = defval;\
1558 module_param(lpfc_##name, int, 0);\
1559 MODULE_PARM_DESC(lpfc_##name, desc);\
1560 lpfc_vport_param_hex_show(name)\
1561 lpfc_vport_param_init(name, defval, minval, maxval)\
1562 lpfc_vport_param_set(name, defval, minval, maxval)\
1563 lpfc_vport_param_store(name)\
1564 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1565 lpfc_##name##_show, lpfc_##name##_store)
1567 static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL);
1568 static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL);
1569 static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL);
1570 static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL);
1571 static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
1572 static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
1573 static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
1574 static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
1575 static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
1576 static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL);
1577 static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
1578 static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
1579 static DEVICE_ATTR(link_state, S_IRUGO, lpfc_link_state_show, NULL);
1580 static DEVICE_ATTR(option_rom_version, S_IRUGO,
1581 lpfc_option_rom_version_show, NULL);
1582 static DEVICE_ATTR(num_discovered_ports, S_IRUGO,
1583 lpfc_num_discovered_ports_show, NULL);
1584 static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL);
1585 static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
1586 static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL);
1587 static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
1588 lpfc_board_mode_show, lpfc_board_mode_store);
1589 static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
1590 static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL);
1591 static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL);
1592 static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL);
1593 static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL);
1594 static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
1595 static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
1596 static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);
1597 static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL);
1600 static char *lpfc_soft_wwn_key = "C99G71SL8032A";
1603 * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid
1604 * @dev: class device that is converted into a Scsi_host.
1605 * @attr: device attribute, not used.
1606 * @buf: containing the string lpfc_soft_wwn_key.
1607 * @count: must be size of lpfc_soft_wwn_key.
1610 * -EINVAL if the buffer does not contain lpfc_soft_wwn_key
1611 * length of buf indicates success
1614 lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr,
1615 const char *buf, size_t count)
1617 struct Scsi_Host *shost = class_to_shost(dev);
1618 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1619 struct lpfc_hba *phba = vport->phba;
1620 unsigned int cnt = count;
1623 * We're doing a simple sanity check for soft_wwpn setting.
1624 * We require that the user write a specific key to enable
1625 * the soft_wwpn attribute to be settable. Once the attribute
1626 * is written, the enable key resets. If further updates are
1627 * desired, the key must be written again to re-enable the
1630 * The "key" is not secret - it is a hardcoded string shown
1631 * here. The intent is to protect against the random user or
1632 * application that is just writing attributes.
1635 /* count may include a LF at end of string */
1636 if (buf[cnt-1] == '\n')
1639 if ((cnt != strlen(lpfc_soft_wwn_key)) ||
1640 (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0))
1643 phba->soft_wwn_enable = 1;
1646 static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
1647 lpfc_soft_wwn_enable_store);
1650 * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter
1651 * @dev: class device that is converted into a Scsi_host.
1652 * @attr: device attribute, not used.
1653 * @buf: on return contains the wwpn in hexadecimal.
1655 * Returns: size of formatted string.
1658 lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr,
1661 struct Scsi_Host *shost = class_to_shost(dev);
1662 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1663 struct lpfc_hba *phba = vport->phba;
1665 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
1666 (unsigned long long)phba->cfg_soft_wwpn);
1670 * lpfc_soft_wwpn_store - Set the ww port name of the adapter
1671 * @dev class device that is converted into a Scsi_host.
1672 * @attr: device attribute, not used.
1673 * @buf: contains the wwpn in hexadecimal.
1674 * @count: number of wwpn bytes in buf
1677 * -EACCES hba reset not enabled, adapter over temp
1678 * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid
1679 * -EIO error taking adapter offline or online
1680 * value of count on success
1683 lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr,
1684 const char *buf, size_t count)
1686 struct Scsi_Host *shost = class_to_shost(dev);
1687 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1688 struct lpfc_hba *phba = vport->phba;
1689 struct completion online_compl;
1690 int stat1=0, stat2=0;
1691 unsigned int i, j, cnt=count;
1694 if (!phba->cfg_enable_hba_reset)
1696 spin_lock_irq(&phba->hbalock);
1697 if (phba->over_temp_state == HBA_OVER_TEMP) {
1698 spin_unlock_irq(&phba->hbalock);
1701 spin_unlock_irq(&phba->hbalock);
1702 /* count may include a LF at end of string */
1703 if (buf[cnt-1] == '\n')
1706 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
1707 ((cnt == 17) && (*buf++ != 'x')) ||
1708 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
1711 phba->soft_wwn_enable = 0;
1713 memset(wwpn, 0, sizeof(wwpn));
1715 /* Validate and store the new name */
1716 for (i=0, j=0; i < 16; i++) {
1717 if ((*buf >= 'a') && (*buf <= 'f'))
1718 j = ((j << 4) | ((*buf++ -'a') + 10));
1719 else if ((*buf >= 'A') && (*buf <= 'F'))
1720 j = ((j << 4) | ((*buf++ -'A') + 10));
1721 else if ((*buf >= '0') && (*buf <= '9'))
1722 j = ((j << 4) | (*buf++ -'0'));
1726 wwpn[i/2] = j & 0xff;
1730 phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
1731 fc_host_port_name(shost) = phba->cfg_soft_wwpn;
1732 if (phba->cfg_soft_wwnn)
1733 fc_host_node_name(shost) = phba->cfg_soft_wwnn;
1735 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
1736 "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
1738 stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
1740 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1741 "0463 lpfc_soft_wwpn attribute set failed to "
1742 "reinit adapter - %d\n", stat1);
1743 init_completion(&online_compl);
1744 lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE);
1745 wait_for_completion(&online_compl);
1747 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1748 "0464 lpfc_soft_wwpn attribute set failed to "
1749 "reinit adapter - %d\n", stat2);
1750 return (stat1 || stat2) ? -EIO : count;
1752 static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
1753 lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
1756 * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter
1757 * @dev: class device that is converted into a Scsi_host.
1758 * @attr: device attribute, not used.
1759 * @buf: on return contains the wwnn in hexadecimal.
1761 * Returns: size of formatted string.
1764 lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr,
1767 struct Scsi_Host *shost = class_to_shost(dev);
1768 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
1769 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
1770 (unsigned long long)phba->cfg_soft_wwnn);
1774 * lpfc_soft_wwnn_store - sets the ww node name of the adapter
1775 * @cdev: class device that is converted into a Scsi_host.
1776 * @buf: contains the ww node name in hexadecimal.
1777 * @count: number of wwnn bytes in buf.
1780 * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid
1781 * value of count on success
1784 lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr,
1785 const char *buf, size_t count)
1787 struct Scsi_Host *shost = class_to_shost(dev);
1788 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
1789 unsigned int i, j, cnt=count;
1792 /* count may include a LF at end of string */
1793 if (buf[cnt-1] == '\n')
1796 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
1797 ((cnt == 17) && (*buf++ != 'x')) ||
1798 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
1802 * Allow wwnn to be set many times, as long as the enable is set.
1803 * However, once the wwpn is set, everything locks.
1806 memset(wwnn, 0, sizeof(wwnn));
1808 /* Validate and store the new name */
1809 for (i=0, j=0; i < 16; i++) {
1810 if ((*buf >= 'a') && (*buf <= 'f'))
1811 j = ((j << 4) | ((*buf++ -'a') + 10));
1812 else if ((*buf >= 'A') && (*buf <= 'F'))
1813 j = ((j << 4) | ((*buf++ -'A') + 10));
1814 else if ((*buf >= '0') && (*buf <= '9'))
1815 j = ((j << 4) | (*buf++ -'0'));
1819 wwnn[i/2] = j & 0xff;
1823 phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
1825 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
1826 "lpfc%d: soft_wwnn set. Value will take effect upon "
1827 "setting of the soft_wwpn\n", phba->brd_no);
1831 static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\
1832 lpfc_soft_wwnn_show, lpfc_soft_wwnn_store);
1835 static int lpfc_poll = 0;
1836 module_param(lpfc_poll, int, 0);
1837 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
1839 " 1 - poll with interrupts enabled"
1840 " 3 - poll and disable FCP ring interrupts");
1842 static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
1843 lpfc_poll_show, lpfc_poll_store);
1845 int lpfc_sli_mode = 0;
1846 module_param(lpfc_sli_mode, int, 0);
1847 MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:"
1848 " 0 - auto (SLI-3 if supported),"
1849 " 2 - select SLI-2 even on SLI-3 capable HBAs,"
1850 " 3 - select SLI-3");
1852 int lpfc_enable_npiv = 0;
1853 module_param(lpfc_enable_npiv, int, 0);
1854 MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality");
1855 lpfc_param_show(enable_npiv);
1856 lpfc_param_init(enable_npiv, 0, 0, 1);
1857 static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO,
1858 lpfc_enable_npiv_show, NULL);
1861 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
1862 # until the timer expires. Value range is [0,255]. Default value is 30.
1864 static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
1865 static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
1866 module_param(lpfc_nodev_tmo, int, 0);
1867 MODULE_PARM_DESC(lpfc_nodev_tmo,
1868 "Seconds driver will hold I/O waiting "
1869 "for a device to come back");
1872 * lpfc_nodev_tmo_show - Return the hba dev loss timeout value
1873 * @dev: class converted to a Scsi_host structure.
1874 * @attr: device attribute, not used.
1875 * @buf: on return contains the dev loss timeout in decimal.
1877 * Returns: size of formatted string.
1880 lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr,
1883 struct Scsi_Host *shost = class_to_shost(dev);
1884 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1886 val = vport->cfg_devloss_tmo;
1887 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo);
1891 * lpfc_nodev_tmo_init - Set the hba nodev timeout value
1892 * @vport: lpfc vport structure pointer.
1893 * @val: contains the nodev timeout value.
1896 * If the devloss tmo is already set then nodev tmo is set to devloss tmo,
1897 * a kernel error message is printed and zero is returned.
1898 * Else if val is in range then nodev tmo and devloss tmo are set to val.
1899 * Otherwise nodev tmo is set to the default value.
1902 * zero if already set or if val is in range
1903 * -EINVAL val out of range
1906 lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val)
1908 if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) {
1909 vport->cfg_nodev_tmo = vport->cfg_devloss_tmo;
1910 if (val != LPFC_DEF_DEVLOSS_TMO)
1911 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1912 "0407 Ignoring nodev_tmo module "
1913 "parameter because devloss_tmo is "
1918 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1919 vport->cfg_nodev_tmo = val;
1920 vport->cfg_devloss_tmo = val;
1923 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1924 "0400 lpfc_nodev_tmo attribute cannot be set to"
1925 " %d, allowed range is [%d, %d]\n",
1926 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
1927 vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
1932 * lpfc_update_rport_devloss_tmo - Update dev loss tmo value
1933 * @vport: lpfc vport structure pointer.
1936 * Update all the ndlp's dev loss tmo with the vport devloss tmo value.
1939 lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
1941 struct Scsi_Host *shost;
1942 struct lpfc_nodelist *ndlp;
1944 shost = lpfc_shost_from_vport(vport);
1945 spin_lock_irq(shost->host_lock);
1946 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp)
1947 if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport)
1948 ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo;
1949 spin_unlock_irq(shost->host_lock);
1953 * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values
1954 * @vport: lpfc vport structure pointer.
1955 * @val: contains the tmo value.
1958 * If the devloss tmo is already set or the vport dev loss tmo has changed
1959 * then a kernel error message is printed and zero is returned.
1960 * Else if val is in range then nodev tmo and devloss tmo are set to val.
1961 * Otherwise nodev tmo is set to the default value.
1964 * zero if already set or if val is in range
1965 * -EINVAL val out of range
1968 lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val)
1970 if (vport->dev_loss_tmo_changed ||
1971 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
1972 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1973 "0401 Ignoring change to nodev_tmo "
1974 "because devloss_tmo is set.\n");
1977 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1978 vport->cfg_nodev_tmo = val;
1979 vport->cfg_devloss_tmo = val;
1980 lpfc_update_rport_devloss_tmo(vport);
1983 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1984 "0403 lpfc_nodev_tmo attribute cannot be set to"
1985 "%d, allowed range is [%d, %d]\n",
1986 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
1990 lpfc_vport_param_store(nodev_tmo)
1992 static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
1993 lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
1996 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
1997 # disappear until the timer expires. Value range is [0,255]. Default
2000 module_param(lpfc_devloss_tmo, int, 0);
2001 MODULE_PARM_DESC(lpfc_devloss_tmo,
2002 "Seconds driver will hold I/O waiting "
2003 "for a device to come back");
2004 lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
2005 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
2006 lpfc_vport_param_show(devloss_tmo)
2009 * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit
2010 * @vport: lpfc vport structure pointer.
2011 * @val: contains the tmo value.
2014 * If val is in a valid range then set the vport nodev tmo,
2015 * devloss tmo, also set the vport dev loss tmo changed flag.
2016 * Else a kernel error message is printed.
2019 * zero if val is in range
2020 * -EINVAL val out of range
2023 lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val)
2025 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
2026 vport->cfg_nodev_tmo = val;
2027 vport->cfg_devloss_tmo = val;
2028 vport->dev_loss_tmo_changed = 1;
2029 lpfc_update_rport_devloss_tmo(vport);
2033 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2034 "0404 lpfc_devloss_tmo attribute cannot be set to"
2035 " %d, allowed range is [%d, %d]\n",
2036 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
2040 lpfc_vport_param_store(devloss_tmo)
2041 static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
2042 lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
2045 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
2046 # deluged with LOTS of information.
2047 # You can set a bit mask to record specific types of verbose messages:
2049 # LOG_ELS 0x1 ELS events
2050 # LOG_DISCOVERY 0x2 Link discovery events
2051 # LOG_MBOX 0x4 Mailbox events
2052 # LOG_INIT 0x8 Initialization events
2053 # LOG_LINK_EVENT 0x10 Link events
2054 # LOG_FCP 0x40 FCP traffic history
2055 # LOG_NODE 0x80 Node table events
2056 # LOG_BG 0x200 BlockBuard events
2057 # LOG_MISC 0x400 Miscellaneous events
2058 # LOG_SLI 0x800 SLI events
2059 # LOG_FCP_ERROR 0x1000 Only log FCP errors
2060 # LOG_LIBDFC 0x2000 LIBDFC events
2061 # LOG_ALL_MSG 0xffff LOG all messages
2063 LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff,
2064 "Verbose logging bit-mask");
2067 # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters
2068 # objects that have been registered with the nameserver after login.
2070 LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1,
2071 "Deregister nameserver objects before LOGO");
2074 # lun_queue_depth: This parameter is used to limit the number of outstanding
2075 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
2077 LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128,
2078 "Max number of FCP commands we can queue to a specific LUN");
2081 # hba_queue_depth: This parameter is used to limit the number of outstanding
2082 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
2083 # value is greater than the maximum number of exchanges supported by the HBA,
2084 # then maximum number of exchanges supported by the HBA is used to determine
2085 # the hba_queue_depth.
2087 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
2088 "Max number of FCP commands we can queue to a lpfc HBA");
2091 # peer_port_login: This parameter allows/prevents logins
2092 # between peer ports hosted on the same physical port.
2093 # When this parameter is set 0 peer ports of same physical port
2094 # are not allowed to login to each other.
2095 # When this parameter is set 1 peer ports of same physical port
2096 # are allowed to login to each other.
2097 # Default value of this parameter is 0.
2099 LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1,
2100 "Allow peer ports on the same physical port to login to each "
2104 # restrict_login: This parameter allows/prevents logins
2105 # between Virtual Ports and remote initiators.
2106 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
2107 # other initiators and will attempt to PLOGI all remote ports.
2108 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
2109 # remote ports and will not attempt to PLOGI to other initiators.
2110 # This parameter does not restrict to the physical port.
2111 # This parameter does not restrict logins to Fabric resident remote ports.
2112 # Default value of this parameter is 1.
2114 static int lpfc_restrict_login = 1;
2115 module_param(lpfc_restrict_login, int, 0);
2116 MODULE_PARM_DESC(lpfc_restrict_login,
2117 "Restrict virtual ports login to remote initiators.");
2118 lpfc_vport_param_show(restrict_login);
2121 * lpfc_restrict_login_init - Set the vport restrict login flag
2122 * @vport: lpfc vport structure pointer.
2123 * @val: contains the restrict login value.
2126 * If val is not in a valid range then log a kernel error message and set
2127 * the vport restrict login to one.
2128 * If the port type is physical clear the restrict login flag and return.
2129 * Else set the restrict login flag to val.
2132 * zero if val is in range
2133 * -EINVAL val out of range
2136 lpfc_restrict_login_init(struct lpfc_vport *vport, int val)
2138 if (val < 0 || val > 1) {
2139 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2140 "0422 lpfc_restrict_login attribute cannot "
2141 "be set to %d, allowed range is [0, 1]\n",
2143 vport->cfg_restrict_login = 1;
2146 if (vport->port_type == LPFC_PHYSICAL_PORT) {
2147 vport->cfg_restrict_login = 0;
2150 vport->cfg_restrict_login = val;
2155 * lpfc_restrict_login_set - Set the vport restrict login flag
2156 * @vport: lpfc vport structure pointer.
2157 * @val: contains the restrict login value.
2160 * If val is not in a valid range then log a kernel error message and set
2161 * the vport restrict login to one.
2162 * If the port type is physical and the val is not zero log a kernel
2163 * error message, clear the restrict login flag and return zero.
2164 * Else set the restrict login flag to val.
2167 * zero if val is in range
2168 * -EINVAL val out of range
2171 lpfc_restrict_login_set(struct lpfc_vport *vport, int val)
2173 if (val < 0 || val > 1) {
2174 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2175 "0425 lpfc_restrict_login attribute cannot "
2176 "be set to %d, allowed range is [0, 1]\n",
2178 vport->cfg_restrict_login = 1;
2181 if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) {
2182 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2183 "0468 lpfc_restrict_login must be 0 for "
2184 "Physical ports.\n");
2185 vport->cfg_restrict_login = 0;
2188 vport->cfg_restrict_login = val;
2191 lpfc_vport_param_store(restrict_login);
2192 static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR,
2193 lpfc_restrict_login_show, lpfc_restrict_login_store);
2196 # Some disk devices have a "select ID" or "select Target" capability.
2197 # From a protocol standpoint "select ID" usually means select the
2198 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
2199 # annex" which contains a table that maps a "select ID" (a number
2200 # between 0 and 7F) to an ALPA. By default, for compatibility with
2201 # older drivers, the lpfc driver scans this table from low ALPA to high
2204 # Turning on the scan-down variable (on = 1, off = 0) will
2205 # cause the lpfc driver to use an inverted table, effectively
2206 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
2208 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
2209 # and will not work across a fabric. Also this parameter will take
2210 # effect only in the case when ALPA map is not available.)
2212 LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1,
2213 "Start scanning for devices from highest ALPA to lowest");
2216 # lpfc_topology: link topology for init link
2217 # 0x0 = attempt loop mode then point-to-point
2218 # 0x01 = internal loopback mode
2219 # 0x02 = attempt point-to-point mode only
2220 # 0x04 = attempt loop mode only
2221 # 0x06 = attempt point-to-point mode then loop
2222 # Set point-to-point mode if you want to run as an N_Port.
2223 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
2224 # Default value is 0.
2228 * lpfc_topology_set - Set the adapters topology field
2229 * @phba: lpfc_hba pointer.
2230 * @val: topology value.
2233 * If val is in a valid range then set the adapter's topology field and
2234 * issue a lip; if the lip fails reset the topology to the old value.
2236 * If the value is not in range log a kernel error message and return an error.
2239 * zero if val is in range and lip okay
2240 * non-zero return value from lpfc_issue_lip()
2241 * -EINVAL val out of range
2244 lpfc_topology_store(struct device *dev, struct device_attribute *attr,
2245 const char *buf, size_t count)
2247 struct Scsi_Host *shost = class_to_shost(dev);
2248 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2249 struct lpfc_hba *phba = vport->phba;
2252 const char *val_buf = buf;
2256 if (!strncmp(buf, "nolip ", strlen("nolip "))) {
2258 val_buf = &buf[strlen("nolip ")];
2261 if (!isdigit(val_buf[0]))
2263 if (sscanf(val_buf, "%i", &val) != 1)
2266 if (val >= 0 && val <= 6) {
2267 prev_val = phba->cfg_topology;
2268 phba->cfg_topology = val;
2272 err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport));
2274 phba->cfg_topology = prev_val;
2279 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2280 "%d:0467 lpfc_topology attribute cannot be set to %d, "
2281 "allowed range is [0, 6]\n",
2285 static int lpfc_topology = 0;
2286 module_param(lpfc_topology, int, 0);
2287 MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology");
2288 lpfc_param_show(topology)
2289 lpfc_param_init(topology, 0, 0, 6)
2290 static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR,
2291 lpfc_topology_show, lpfc_topology_store);
2295 * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file
2296 * @dev: Pointer to class device.
2297 * @buf: Data buffer.
2298 * @count: Size of the data buffer.
2300 * This function get called when an user write to the lpfc_stat_data_ctrl
2301 * sysfs file. This function parse the command written to the sysfs file
2302 * and take appropriate action. These commands are used for controlling
2303 * driver statistical data collection.
2304 * Following are the command this function handles.
2306 * setbucket <bucket_type> <base> <step>
2307 * = Set the latency buckets.
2308 * destroybucket = destroy all the buckets.
2309 * start = start data collection
2310 * stop = stop data collection
2311 * reset = reset the collected data
2314 lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr,
2315 const char *buf, size_t count)
2317 struct Scsi_Host *shost = class_to_shost(dev);
2318 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2319 struct lpfc_hba *phba = vport->phba;
2320 #define LPFC_MAX_DATA_CTRL_LEN 1024
2321 static char bucket_data[LPFC_MAX_DATA_CTRL_LEN];
2323 char *str_ptr, *token;
2324 struct lpfc_vport **vports;
2325 struct Scsi_Host *v_shost;
2326 char *bucket_type_str, *base_str, *step_str;
2327 unsigned long base, step, bucket_type;
2329 if (!strncmp(buf, "setbucket", strlen("setbucket"))) {
2330 if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1))
2333 strcpy(bucket_data, buf);
2334 str_ptr = &bucket_data[0];
2335 /* Ignore this token - this is command token */
2336 token = strsep(&str_ptr, "\t ");
2340 bucket_type_str = strsep(&str_ptr, "\t ");
2341 if (!bucket_type_str)
2344 if (!strncmp(bucket_type_str, "linear", strlen("linear")))
2345 bucket_type = LPFC_LINEAR_BUCKET;
2346 else if (!strncmp(bucket_type_str, "power2", strlen("power2")))
2347 bucket_type = LPFC_POWER2_BUCKET;
2351 base_str = strsep(&str_ptr, "\t ");
2354 base = simple_strtoul(base_str, NULL, 0);
2356 step_str = strsep(&str_ptr, "\t ");
2359 step = simple_strtoul(step_str, NULL, 0);
2363 /* Block the data collection for every vport */
2364 vports = lpfc_create_vport_work_array(phba);
2368 for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
2369 v_shost = lpfc_shost_from_vport(vports[i]);
2370 spin_lock_irq(v_shost->host_lock);
2371 /* Block and reset data collection */
2372 vports[i]->stat_data_blocked = 1;
2373 if (vports[i]->stat_data_enabled)
2374 lpfc_vport_reset_stat_data(vports[i]);
2375 spin_unlock_irq(v_shost->host_lock);
2378 /* Set the bucket attributes */
2379 phba->bucket_type = bucket_type;
2380 phba->bucket_base = base;
2381 phba->bucket_step = step;
2383 for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
2384 v_shost = lpfc_shost_from_vport(vports[i]);
2386 /* Unblock data collection */
2387 spin_lock_irq(v_shost->host_lock);
2388 vports[i]->stat_data_blocked = 0;
2389 spin_unlock_irq(v_shost->host_lock);
2391 lpfc_destroy_vport_work_array(phba, vports);
2395 if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) {
2396 vports = lpfc_create_vport_work_array(phba);
2400 for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
2401 v_shost = lpfc_shost_from_vport(vports[i]);
2402 spin_lock_irq(shost->host_lock);
2403 vports[i]->stat_data_blocked = 1;
2404 lpfc_free_bucket(vport);
2405 vport->stat_data_enabled = 0;
2406 vports[i]->stat_data_blocked = 0;
2407 spin_unlock_irq(shost->host_lock);
2409 lpfc_destroy_vport_work_array(phba, vports);
2410 phba->bucket_type = LPFC_NO_BUCKET;
2411 phba->bucket_base = 0;
2412 phba->bucket_step = 0;
2416 if (!strncmp(buf, "start", strlen("start"))) {
2417 /* If no buckets configured return error */
2418 if (phba->bucket_type == LPFC_NO_BUCKET)
2420 spin_lock_irq(shost->host_lock);
2421 if (vport->stat_data_enabled) {
2422 spin_unlock_irq(shost->host_lock);
2425 lpfc_alloc_bucket(vport);
2426 vport->stat_data_enabled = 1;
2427 spin_unlock_irq(shost->host_lock);
2431 if (!strncmp(buf, "stop", strlen("stop"))) {
2432 spin_lock_irq(shost->host_lock);
2433 if (vport->stat_data_enabled == 0) {
2434 spin_unlock_irq(shost->host_lock);
2437 lpfc_free_bucket(vport);
2438 vport->stat_data_enabled = 0;
2439 spin_unlock_irq(shost->host_lock);
2443 if (!strncmp(buf, "reset", strlen("reset"))) {
2444 if ((phba->bucket_type == LPFC_NO_BUCKET)
2445 || !vport->stat_data_enabled)
2447 spin_lock_irq(shost->host_lock);
2448 vport->stat_data_blocked = 1;
2449 lpfc_vport_reset_stat_data(vport);
2450 vport->stat_data_blocked = 0;
2451 spin_unlock_irq(shost->host_lock);
2459 * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file
2460 * @dev: Pointer to class device object.
2461 * @buf: Data buffer.
2463 * This function is the read call back function for
2464 * lpfc_stat_data_ctrl sysfs file. This function report the
2465 * current statistical data collection state.
2468 lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr,
2471 struct Scsi_Host *shost = class_to_shost(dev);
2472 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2473 struct lpfc_hba *phba = vport->phba;
2477 unsigned long bucket_value;
2479 switch (phba->bucket_type) {
2480 case LPFC_LINEAR_BUCKET:
2481 bucket_type = "linear";
2483 case LPFC_POWER2_BUCKET:
2484 bucket_type = "power2";
2487 bucket_type = "No Bucket";
2491 sprintf(&buf[index], "Statistical Data enabled :%d, "
2492 "blocked :%d, Bucket type :%s, Bucket base :%d,"
2493 " Bucket step :%d\nLatency Ranges :",
2494 vport->stat_data_enabled, vport->stat_data_blocked,
2495 bucket_type, phba->bucket_base, phba->bucket_step);
2496 index = strlen(buf);
2497 if (phba->bucket_type != LPFC_NO_BUCKET) {
2498 for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) {
2499 if (phba->bucket_type == LPFC_LINEAR_BUCKET)
2500 bucket_value = phba->bucket_base +
2501 phba->bucket_step * i;
2503 bucket_value = phba->bucket_base +
2504 (1 << i) * phba->bucket_step;
2506 if (index + 10 > PAGE_SIZE)
2508 sprintf(&buf[index], "%08ld ", bucket_value);
2509 index = strlen(buf);
2512 sprintf(&buf[index], "\n");
2517 * Sysfs attribute to control the statistical data collection.
2519 static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR,
2520 lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store);
2523 * lpfc_drvr_stat_data: sysfs attr to get driver statistical data.
2527 * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN
2530 #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18)
2531 #define MAX_STAT_DATA_SIZE_PER_TARGET \
2532 STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT)
2536 * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute
2537 * @kobj: Pointer to the kernel object
2538 * @bin_attr: Attribute object
2539 * @buff: Buffer pointer
2541 * @count: Buffer size
2543 * This function is the read call back function for lpfc_drvr_stat_data
2544 * sysfs file. This function export the statistical data to user
2548 sysfs_drvr_stat_data_read(struct kobject *kobj, struct bin_attribute *bin_attr,
2549 char *buf, loff_t off, size_t count)
2551 struct device *dev = container_of(kobj, struct device,
2553 struct Scsi_Host *shost = class_to_shost(dev);
2554 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2555 struct lpfc_hba *phba = vport->phba;
2556 int i = 0, index = 0;
2557 unsigned long nport_index;
2558 struct lpfc_nodelist *ndlp = NULL;
2559 nport_index = (unsigned long)off /
2560 MAX_STAT_DATA_SIZE_PER_TARGET;
2562 if (!vport->stat_data_enabled || vport->stat_data_blocked
2563 || (phba->bucket_type == LPFC_NO_BUCKET))
2566 spin_lock_irq(shost->host_lock);
2567 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
2568 if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data)
2571 if (nport_index > 0) {
2576 if ((index + MAX_STAT_DATA_SIZE_PER_TARGET)
2580 if (!ndlp->lat_data)
2584 sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:",
2585 ndlp->nlp_portname.u.wwn[0],
2586 ndlp->nlp_portname.u.wwn[1],
2587 ndlp->nlp_portname.u.wwn[2],
2588 ndlp->nlp_portname.u.wwn[3],
2589 ndlp->nlp_portname.u.wwn[4],
2590 ndlp->nlp_portname.u.wwn[5],
2591 ndlp->nlp_portname.u.wwn[6],
2592 ndlp->nlp_portname.u.wwn[7]);
2594 index = strlen(buf);
2596 for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) {
2597 sprintf(&buf[index], "%010u,",
2598 ndlp->lat_data[i].cmd_count);
2599 index = strlen(buf);
2601 sprintf(&buf[index], "\n");
2602 index = strlen(buf);
2604 spin_unlock_irq(shost->host_lock);
2608 static struct bin_attribute sysfs_drvr_stat_data_attr = {
2610 .name = "lpfc_drvr_stat_data",
2612 .owner = THIS_MODULE,
2614 .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET,
2615 .read = sysfs_drvr_stat_data_read,
2620 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
2622 # 0 = auto select (default)
2627 # Value range is [0,8]. Default value is 0.
2631 * lpfc_link_speed_set - Set the adapters link speed
2632 * @phba: lpfc_hba pointer.
2633 * @val: link speed value.
2636 * If val is in a valid range then set the adapter's link speed field and
2637 * issue a lip; if the lip fails reset the link speed to the old value.
2640 * If the value is not in range log a kernel error message and return an error.
2643 * zero if val is in range and lip okay.
2644 * non-zero return value from lpfc_issue_lip()
2645 * -EINVAL val out of range
2648 lpfc_link_speed_store(struct device *dev, struct device_attribute *attr,
2649 const char *buf, size_t count)
2651 struct Scsi_Host *shost = class_to_shost(dev);
2652 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2653 struct lpfc_hba *phba = vport->phba;
2656 const char *val_buf = buf;
2660 if (!strncmp(buf, "nolip ", strlen("nolip "))) {
2662 val_buf = &buf[strlen("nolip ")];
2665 if (!isdigit(val_buf[0]))
2667 if (sscanf(val_buf, "%i", &val) != 1)
2670 if (((val == LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) ||
2671 ((val == LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) ||
2672 ((val == LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) ||
2673 ((val == LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) ||
2674 ((val == LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb)))
2677 if ((val >= 0 && val <= 8)
2678 && (LPFC_LINK_SPEED_BITMAP & (1 << val))) {
2679 prev_val = phba->cfg_link_speed;
2680 phba->cfg_link_speed = val;
2684 err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport));
2686 phba->cfg_link_speed = prev_val;
2692 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2693 "%d:0469 lpfc_link_speed attribute cannot be set to %d, "
2694 "allowed range is [0, 8]\n",
2699 static int lpfc_link_speed = 0;
2700 module_param(lpfc_link_speed, int, 0);
2701 MODULE_PARM_DESC(lpfc_link_speed, "Select link speed");
2702 lpfc_param_show(link_speed)
2705 * lpfc_link_speed_init - Set the adapters link speed
2706 * @phba: lpfc_hba pointer.
2707 * @val: link speed value.
2710 * If val is in a valid range then set the adapter's link speed field.
2713 * If the value is not in range log a kernel error message, clear the link
2714 * speed and return an error.
2717 * zero if val saved.
2718 * -EINVAL val out of range
2721 lpfc_link_speed_init(struct lpfc_hba *phba, int val)
2723 if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED)
2724 && (LPFC_LINK_SPEED_BITMAP & (1 << val))) {
2725 phba->cfg_link_speed = val;
2728 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2729 "0405 lpfc_link_speed attribute cannot "
2730 "be set to %d, allowed values are "
2731 "["LPFC_LINK_SPEED_STRING"]\n", val);
2732 phba->cfg_link_speed = 0;
2736 static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR,
2737 lpfc_link_speed_show, lpfc_link_speed_store);
2740 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
2741 # Value range is [2,3]. Default value is 3.
2743 LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3,
2744 "Select Fibre Channel class of service for FCP sequences");
2747 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
2748 # is [0,1]. Default value is 0.
2750 LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1,
2751 "Use ADISC on rediscovery to authenticate FCP devices");
2754 # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue
2755 # depth. Default value is 0. When the value of this parameter is zero the
2756 # SCSI command completion time is not used for controlling I/O queue depth. When
2757 # the parameter is set to a non-zero value, the I/O queue depth is controlled
2758 # to limit the I/O completion time to the parameter value.
2759 # The value is set in milliseconds.
2761 static int lpfc_max_scsicmpl_time;
2762 module_param(lpfc_max_scsicmpl_time, int, 0);
2763 MODULE_PARM_DESC(lpfc_max_scsicmpl_time,
2764 "Use command completion time to control queue depth");
2765 lpfc_vport_param_show(max_scsicmpl_time);
2766 lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000);
2768 lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val)
2770 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2771 struct lpfc_nodelist *ndlp, *next_ndlp;
2773 if (val == vport->cfg_max_scsicmpl_time)
2775 if ((val < 0) || (val > 60000))
2777 vport->cfg_max_scsicmpl_time = val;
2779 spin_lock_irq(shost->host_lock);
2780 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
2781 if (!NLP_CHK_NODE_ACT(ndlp))
2783 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
2785 ndlp->cmd_qdepth = LPFC_MAX_TGT_QDEPTH;
2787 spin_unlock_irq(shost->host_lock);
2790 lpfc_vport_param_store(max_scsicmpl_time);
2791 static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR,
2792 lpfc_max_scsicmpl_time_show,
2793 lpfc_max_scsicmpl_time_store);
2796 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
2797 # range is [0,1]. Default value is 0.
2799 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
2802 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
2803 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
2804 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
2805 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
2806 # cr_delay is set to 0.
2808 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
2809 "interrupt response is generated");
2811 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
2812 "interrupt response is generated");
2815 # lpfc_multi_ring_support: Determines how many rings to spread available
2816 # cmd/rsp IOCB entries across.
2817 # Value range is [1,2]. Default value is 1.
2819 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
2820 "SLI rings to spread IOCB entries across");
2823 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
2824 # identifies what rctl value to configure the additional ring for.
2825 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
2827 LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1,
2828 255, "Identifies RCTL for additional ring configuration");
2831 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
2832 # identifies what type value to configure the additional ring for.
2833 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
2835 LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1,
2836 255, "Identifies TYPE for additional ring configuration");
2839 # lpfc_fdmi_on: controls FDMI support.
2840 # 0 = no FDMI support
2841 # 1 = support FDMI without attribute of hostname
2842 # 2 = support FDMI with attribute of hostname
2843 # Value range [0,2]. Default value is 0.
2845 LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
2848 # Specifies the maximum number of ELS cmds we can have outstanding (for
2849 # discovery). Value range is [1,64]. Default value = 32.
2851 LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
2852 "during discovery");
2855 # lpfc_max_luns: maximum allowed LUN.
2856 # Value range is [0,65535]. Default value is 255.
2857 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
2859 LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN");
2862 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
2863 # Value range is [1,255], default value is 10.
2865 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
2866 "Milliseconds driver will wait between polling FCP ring");
2869 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
2870 # support this feature
2871 # 0 = MSI disabled (default)
2874 # Value range is [0,2]. Default value is 0.
2876 LPFC_ATTR_R(use_msi, 0, 0, 2, "Use Message Signaled Interrupts (1) or "
2877 "MSI-X (2), if possible");
2880 # lpfc_fcp_imax: Set the maximum number of fast-path FCP interrupts per second
2882 # Value range is [636,651042]. Default value is 10000.
2884 LPFC_ATTR_R(fcp_imax, LPFC_FP_DEF_IMAX, LPFC_MIM_IMAX, LPFC_DMULT_CONST,
2885 "Set the maximum number of fast-path FCP interrupts per second");
2888 # lpfc_fcp_wq_count: Set the number of fast-path FCP work queues
2890 # Value range is [1,31]. Default value is 4.
2892 LPFC_ATTR_R(fcp_wq_count, LPFC_FP_WQN_DEF, LPFC_FP_WQN_MIN, LPFC_FP_WQN_MAX,
2893 "Set the number of fast-path FCP work queues, if possible");
2896 # lpfc_fcp_eq_count: Set the number of fast-path FCP event queues
2898 # Value range is [1,7]. Default value is 1.
2900 LPFC_ATTR_R(fcp_eq_count, LPFC_FP_EQN_DEF, LPFC_FP_EQN_MIN, LPFC_FP_EQN_MAX,
2901 "Set the number of fast-path FCP event queues, if possible");
2904 # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
2905 # 0 = HBA resets disabled
2906 # 1 = HBA resets enabled (default)
2907 # Value range is [0,1]. Default value is 1.
2909 LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver.");
2912 # lpfc_enable_hba_heartbeat: Enable HBA heartbeat timer..
2913 # 0 = HBA Heartbeat disabled
2914 # 1 = HBA Heartbeat enabled (default)
2915 # Value range is [0,1]. Default value is 1.
2917 LPFC_ATTR_R(enable_hba_heartbeat, 1, 0, 1, "Enable HBA Heartbeat.");
2920 # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF)
2921 # 0 = BlockGuard disabled (default)
2922 # 1 = BlockGuard enabled
2923 # Value range is [0,1]. Default value is 0.
2925 LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support");
2930 # - Bit mask of host protection capabilities used to register with the
2932 # - Only meaningful if BG is turned on (lpfc_enable_bg=1).
2933 # - Allows you to ultimately specify which profiles to use
2934 # - Default will result in registering capabilities for all profiles.
2937 unsigned int lpfc_prot_mask = SHOST_DIX_TYPE0_PROTECTION;
2939 module_param(lpfc_prot_mask, uint, 0);
2940 MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask");
2943 # lpfc_prot_guard: i
2944 # - Bit mask of protection guard types to register with the SCSI mid-layer
2945 # - Guard types are currently either 1) IP checksum 2) T10-DIF CRC
2946 # - Allows you to ultimately specify which profiles to use
2947 # - Default will result in registering capabilities for all guard types
2950 unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP;
2951 module_param(lpfc_prot_guard, byte, 0);
2952 MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type");
2956 * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count
2957 * This value can be set to values between 64 and 256. The default value is
2958 * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer
2959 * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE).
2961 LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT,
2962 LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count");
2964 LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_PROT_SG_SEG_CNT,
2965 LPFC_DEFAULT_PROT_SG_SEG_CNT, LPFC_MAX_PROT_SG_SEG_CNT,
2966 "Max Protection Scatter Gather Segment Count");
2968 struct device_attribute *lpfc_hba_attrs[] = {
2970 &dev_attr_bg_guard_err,
2971 &dev_attr_bg_apptag_err,
2972 &dev_attr_bg_reftag_err,
2974 &dev_attr_serialnum,
2975 &dev_attr_modeldesc,
2976 &dev_attr_modelname,
2977 &dev_attr_programtype,
2981 &dev_attr_option_rom_version,
2982 &dev_attr_link_state,
2983 &dev_attr_num_discovered_ports,
2984 &dev_attr_menlo_mgmt_mode,
2985 &dev_attr_lpfc_drvr_version,
2986 &dev_attr_lpfc_temp_sensor,
2987 &dev_attr_lpfc_log_verbose,
2988 &dev_attr_lpfc_lun_queue_depth,
2989 &dev_attr_lpfc_hba_queue_depth,
2990 &dev_attr_lpfc_peer_port_login,
2991 &dev_attr_lpfc_nodev_tmo,
2992 &dev_attr_lpfc_devloss_tmo,
2993 &dev_attr_lpfc_fcp_class,
2994 &dev_attr_lpfc_use_adisc,
2995 &dev_attr_lpfc_ack0,
2996 &dev_attr_lpfc_topology,
2997 &dev_attr_lpfc_scan_down,
2998 &dev_attr_lpfc_link_speed,
2999 &dev_attr_lpfc_cr_delay,
3000 &dev_attr_lpfc_cr_count,
3001 &dev_attr_lpfc_multi_ring_support,
3002 &dev_attr_lpfc_multi_ring_rctl,
3003 &dev_attr_lpfc_multi_ring_type,
3004 &dev_attr_lpfc_fdmi_on,
3005 &dev_attr_lpfc_max_luns,
3006 &dev_attr_lpfc_enable_npiv,
3007 &dev_attr_nport_evt_cnt,
3008 &dev_attr_board_mode,
3015 &dev_attr_npiv_info,
3016 &dev_attr_issue_reset,
3017 &dev_attr_lpfc_poll,
3018 &dev_attr_lpfc_poll_tmo,
3019 &dev_attr_lpfc_use_msi,
3020 &dev_attr_lpfc_fcp_imax,
3021 &dev_attr_lpfc_fcp_wq_count,
3022 &dev_attr_lpfc_fcp_eq_count,
3023 &dev_attr_lpfc_enable_bg,
3024 &dev_attr_lpfc_soft_wwnn,
3025 &dev_attr_lpfc_soft_wwpn,
3026 &dev_attr_lpfc_soft_wwn_enable,
3027 &dev_attr_lpfc_enable_hba_reset,
3028 &dev_attr_lpfc_enable_hba_heartbeat,
3029 &dev_attr_lpfc_sg_seg_cnt,
3030 &dev_attr_lpfc_max_scsicmpl_time,
3031 &dev_attr_lpfc_stat_data_ctrl,
3032 &dev_attr_lpfc_prot_sg_seg_cnt,
3036 struct device_attribute *lpfc_vport_attrs[] = {
3038 &dev_attr_link_state,
3039 &dev_attr_num_discovered_ports,
3040 &dev_attr_lpfc_drvr_version,
3041 &dev_attr_lpfc_log_verbose,
3042 &dev_attr_lpfc_lun_queue_depth,
3043 &dev_attr_lpfc_nodev_tmo,
3044 &dev_attr_lpfc_devloss_tmo,
3045 &dev_attr_lpfc_hba_queue_depth,
3046 &dev_attr_lpfc_peer_port_login,
3047 &dev_attr_lpfc_restrict_login,
3048 &dev_attr_lpfc_fcp_class,
3049 &dev_attr_lpfc_use_adisc,
3050 &dev_attr_lpfc_fdmi_on,
3051 &dev_attr_lpfc_max_luns,
3052 &dev_attr_nport_evt_cnt,
3053 &dev_attr_npiv_info,
3054 &dev_attr_lpfc_enable_da_id,
3055 &dev_attr_lpfc_max_scsicmpl_time,
3056 &dev_attr_lpfc_stat_data_ctrl,
3061 * sysfs_ctlreg_write - Write method for writing to ctlreg
3062 * @kobj: kernel kobject that contains the kernel class device.
3063 * @bin_attr: kernel attributes passed to us.
3064 * @buf: contains the data to be written to the adapter IOREG space.
3065 * @off: offset into buffer to beginning of data.
3066 * @count: bytes to transfer.
3069 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
3070 * Uses the adapter io control registers to send buf contents to the adapter.
3073 * -ERANGE off and count combo out of range
3074 * -EINVAL off, count or buff address invalid
3075 * -EPERM adapter is offline
3076 * value of count, buf contents written
3079 sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
3080 char *buf, loff_t off, size_t count)
3083 struct device *dev = container_of(kobj, struct device, kobj);
3084 struct Scsi_Host *shost = class_to_shost(dev);
3085 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3086 struct lpfc_hba *phba = vport->phba;
3088 if ((off + count) > FF_REG_AREA_SIZE)
3091 if (count == 0) return 0;
3093 if (off % 4 || count % 4 || (unsigned long)buf % 4)
3096 if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
3100 spin_lock_irq(&phba->hbalock);
3101 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
3102 writel(*((uint32_t *)(buf + buf_off)),
3103 phba->ctrl_regs_memmap_p + off + buf_off);
3105 spin_unlock_irq(&phba->hbalock);
3111 * sysfs_ctlreg_read - Read method for reading from ctlreg
3112 * @kobj: kernel kobject that contains the kernel class device.
3113 * @bin_attr: kernel attributes passed to us.
3114 * @buf: if succesful contains the data from the adapter IOREG space.
3115 * @off: offset into buffer to beginning of data.
3116 * @count: bytes to transfer.
3119 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
3120 * Uses the adapter io control registers to read data into buf.
3123 * -ERANGE off and count combo out of range
3124 * -EINVAL off, count or buff address invalid
3125 * value of count, buf contents read
3128 sysfs_ctlreg_read(struct kobject *kobj, struct bin_attribute *bin_attr,
3129 char *buf, loff_t off, size_t count)
3133 struct device *dev = container_of(kobj, struct device, kobj);
3134 struct Scsi_Host *shost = class_to_shost(dev);
3135 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3136 struct lpfc_hba *phba = vport->phba;
3138 if (off > FF_REG_AREA_SIZE)
3141 if ((off + count) > FF_REG_AREA_SIZE)
3142 count = FF_REG_AREA_SIZE - off;
3144 if (count == 0) return 0;
3146 if (off % 4 || count % 4 || (unsigned long)buf % 4)
3149 spin_lock_irq(&phba->hbalock);
3151 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
3152 tmp_ptr = (uint32_t *)(buf + buf_off);
3153 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
3156 spin_unlock_irq(&phba->hbalock);
3161 static struct bin_attribute sysfs_ctlreg_attr = {
3164 .mode = S_IRUSR | S_IWUSR,
3167 .read = sysfs_ctlreg_read,
3168 .write = sysfs_ctlreg_write,
3172 * sysfs_mbox_idle - frees the sysfs mailbox
3173 * @phba: lpfc_hba pointer
3176 sysfs_mbox_idle(struct lpfc_hba *phba)
3178 phba->sysfs_mbox.state = SMBOX_IDLE;
3179 phba->sysfs_mbox.offset = 0;
3181 if (phba->sysfs_mbox.mbox) {
3182 mempool_free(phba->sysfs_mbox.mbox,
3183 phba->mbox_mem_pool);
3184 phba->sysfs_mbox.mbox = NULL;
3189 * sysfs_mbox_write - Write method for writing information via mbox
3190 * @kobj: kernel kobject that contains the kernel class device.
3191 * @bin_attr: kernel attributes passed to us.
3192 * @buf: contains the data to be written to sysfs mbox.
3193 * @off: offset into buffer to beginning of data.
3194 * @count: bytes to transfer.
3197 * Accessed via /sys/class/scsi_host/hostxxx/mbox.
3198 * Uses the sysfs mbox to send buf contents to the adapter.
3201 * -ERANGE off and count combo out of range
3202 * -EINVAL off, count or buff address invalid
3203 * zero if count is zero
3204 * -EPERM adapter is offline
3205 * -ENOMEM failed to allocate memory for the mail box
3206 * -EAGAIN offset, state or mbox is NULL
3207 * count number of bytes transferred
3210 sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
3211 char *buf, loff_t off, size_t count)
3213 struct device *dev = container_of(kobj, struct device, kobj);
3214 struct Scsi_Host *shost = class_to_shost(dev);
3215 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3216 struct lpfc_hba *phba = vport->phba;
3217 struct lpfcMboxq *mbox = NULL;
3219 if ((count + off) > MAILBOX_CMD_SIZE)
3222 if (off % 4 || count % 4 || (unsigned long)buf % 4)
3229 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3232 memset(mbox, 0, sizeof (LPFC_MBOXQ_t));
3235 spin_lock_irq(&phba->hbalock);
3238 if (phba->sysfs_mbox.mbox)
3239 mempool_free(mbox, phba->mbox_mem_pool);
3241 phba->sysfs_mbox.mbox = mbox;
3242 phba->sysfs_mbox.state = SMBOX_WRITING;
3244 if (phba->sysfs_mbox.state != SMBOX_WRITING ||
3245 phba->sysfs_mbox.offset != off ||
3246 phba->sysfs_mbox.mbox == NULL) {
3247 sysfs_mbox_idle(phba);
3248 spin_unlock_irq(&phba->hbalock);
3253 memcpy((uint8_t *) &phba->sysfs_mbox.mbox->u.mb + off,
3256 phba->sysfs_mbox.offset = off + count;
3258 spin_unlock_irq(&phba->hbalock);
3264 * sysfs_mbox_read - Read method for reading information via mbox
3265 * @kobj: kernel kobject that contains the kernel class device.
3266 * @bin_attr: kernel attributes passed to us.
3267 * @buf: contains the data to be read from sysfs mbox.
3268 * @off: offset into buffer to beginning of data.
3269 * @count: bytes to transfer.
3272 * Accessed via /sys/class/scsi_host/hostxxx/mbox.
3273 * Uses the sysfs mbox to receive data from to the adapter.
3276 * -ERANGE off greater than mailbox command size
3277 * -EINVAL off, count or buff address invalid
3278 * zero if off and count are zero
3279 * -EACCES adapter over temp
3280 * -EPERM garbage can value to catch a multitude of errors
3281 * -EAGAIN management IO not permitted, state or off error
3282 * -ETIME mailbox timeout
3283 * -ENODEV mailbox error
3284 * count number of bytes transferred
3287 sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
3288 char *buf, loff_t off, size_t count)
3290 struct device *dev = container_of(kobj, struct device, kobj);
3291 struct Scsi_Host *shost = class_to_shost(dev);
3292 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3293 struct lpfc_hba *phba = vport->phba;
3297 if (off > MAILBOX_CMD_SIZE)
3300 if ((count + off) > MAILBOX_CMD_SIZE)
3301 count = MAILBOX_CMD_SIZE - off;
3303 if (off % 4 || count % 4 || (unsigned long)buf % 4)
3306 if (off && count == 0)
3309 spin_lock_irq(&phba->hbalock);
3311 if (phba->over_temp_state == HBA_OVER_TEMP) {
3312 sysfs_mbox_idle(phba);
3313 spin_unlock_irq(&phba->hbalock);
3318 phba->sysfs_mbox.state == SMBOX_WRITING &&
3319 phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
3320 pmb = &phba->sysfs_mbox.mbox->u.mb;
3321 switch (pmb->mbxCommand) {
3325 case MBX_CONFIG_LINK:
3326 case MBX_CONFIG_RING:
3327 case MBX_RESET_RING:
3328 case MBX_UNREG_LOGIN:
3330 case MBX_DUMP_CONTEXT:
3335 if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
3336 printk(KERN_WARNING "mbox_read:Command 0x%x "
3337 "is illegal in on-line state\n",
3339 sysfs_mbox_idle(phba);
3340 spin_unlock_irq(&phba->hbalock);
3344 case MBX_WRITE_VPARMS:
3347 case MBX_READ_CONFIG:
3348 case MBX_READ_RCONFIG:
3349 case MBX_READ_STATUS:
3352 case MBX_READ_LNK_STAT:
3353 case MBX_DUMP_MEMORY:
3355 case MBX_UPDATE_CFG:
3356 case MBX_KILL_BOARD:
3358 case MBX_LOAD_EXP_ROM:
3360 case MBX_DEL_LD_ENTRY:
3361 case MBX_SET_VARIABLE:
3363 case MBX_PORT_CAPABILITIES:
3364 case MBX_PORT_IOV_CONTROL:
3366 case MBX_READ_SPARM64:
3370 case MBX_REG_LOGIN64:
3371 case MBX_CONFIG_PORT:
3372 case MBX_RUN_BIU_DIAG:
3373 printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
3375 sysfs_mbox_idle(phba);
3376 spin_unlock_irq(&phba->hbalock);
3379 printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
3381 sysfs_mbox_idle(phba);
3382 spin_unlock_irq(&phba->hbalock);
3386 /* If HBA encountered an error attention, allow only DUMP
3387 * or RESTART mailbox commands until the HBA is restarted.
3389 if (phba->pport->stopped &&
3390 pmb->mbxCommand != MBX_DUMP_MEMORY &&
3391 pmb->mbxCommand != MBX_RESTART &&
3392 pmb->mbxCommand != MBX_WRITE_VPARMS &&
3393 pmb->mbxCommand != MBX_WRITE_WWN)
3394 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
3395 "1259 mbox: Issued mailbox cmd "
3396 "0x%x while in stopped state.\n",
3399 phba->sysfs_mbox.mbox->vport = vport;
3401 /* Don't allow mailbox commands to be sent when blocked
3402 * or when in the middle of discovery
3404 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
3405 sysfs_mbox_idle(phba);
3406 spin_unlock_irq(&phba->hbalock);
3410 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
3411 (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
3413 spin_unlock_irq(&phba->hbalock);
3414 rc = lpfc_sli_issue_mbox (phba,
3415 phba->sysfs_mbox.mbox,
3417 spin_lock_irq(&phba->hbalock);
3420 spin_unlock_irq(&phba->hbalock);
3421 rc = lpfc_sli_issue_mbox_wait (phba,
3422 phba->sysfs_mbox.mbox,
3423 lpfc_mbox_tmo_val(phba, pmb->mbxCommand) * HZ);
3424 spin_lock_irq(&phba->hbalock);
3427 if (rc != MBX_SUCCESS) {
3428 if (rc == MBX_TIMEOUT) {
3429 phba->sysfs_mbox.mbox = NULL;
3431 sysfs_mbox_idle(phba);
3432 spin_unlock_irq(&phba->hbalock);
3433 return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
3435 phba->sysfs_mbox.state = SMBOX_READING;
3437 else if (phba->sysfs_mbox.offset != off ||
3438 phba->sysfs_mbox.state != SMBOX_READING) {
3439 printk(KERN_WARNING "mbox_read: Bad State\n");
3440 sysfs_mbox_idle(phba);
3441 spin_unlock_irq(&phba->hbalock);
3445 memcpy(buf, (uint8_t *) &pmb + off, count);
3447 phba->sysfs_mbox.offset = off + count;
3449 if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE)
3450 sysfs_mbox_idle(phba);
3452 spin_unlock_irq(&phba->hbalock);
3457 static struct bin_attribute sysfs_mbox_attr = {
3460 .mode = S_IRUSR | S_IWUSR,
3462 .size = MAILBOX_CMD_SIZE,
3463 .read = sysfs_mbox_read,
3464 .write = sysfs_mbox_write,
3468 * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries
3469 * @vport: address of lpfc vport structure.
3473 * error return code from sysfs_create_bin_file()
3476 lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
3478 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3481 error = sysfs_create_bin_file(&shost->shost_dev.kobj,
3482 &sysfs_drvr_stat_data_attr);
3484 /* Virtual ports do not need ctrl_reg and mbox */
3485 if (error || vport->port_type == LPFC_NPIV_PORT)
3488 error = sysfs_create_bin_file(&shost->shost_dev.kobj,
3489 &sysfs_ctlreg_attr);
3491 goto out_remove_stat_attr;
3493 error = sysfs_create_bin_file(&shost->shost_dev.kobj,
3496 goto out_remove_ctlreg_attr;
3499 out_remove_ctlreg_attr:
3500 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
3501 out_remove_stat_attr:
3502 sysfs_remove_bin_file(&shost->shost_dev.kobj,
3503 &sysfs_drvr_stat_data_attr);
3509 * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries
3510 * @vport: address of lpfc vport structure.
3513 lpfc_free_sysfs_attr(struct lpfc_vport *vport)
3515 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3516 sysfs_remove_bin_file(&shost->shost_dev.kobj,
3517 &sysfs_drvr_stat_data_attr);
3518 /* Virtual ports do not need ctrl_reg and mbox */
3519 if (vport->port_type == LPFC_NPIV_PORT)
3521 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr);
3522 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
3527 * Dynamic FC Host Attributes Support
3531 * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id
3532 * @shost: kernel scsi host pointer.
3535 lpfc_get_host_port_id(struct Scsi_Host *shost)
3537 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3539 /* note: fc_myDID already in cpu endianness */
3540 fc_host_port_id(shost) = vport->fc_myDID;
3544 * lpfc_get_host_port_type - Set the value of the scsi host port type
3545 * @shost: kernel scsi host pointer.
3548 lpfc_get_host_port_type(struct Scsi_Host *shost)
3550 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3551 struct lpfc_hba *phba = vport->phba;
3553 spin_lock_irq(shost->host_lock);
3555 if (vport->port_type == LPFC_NPIV_PORT) {
3556 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
3557 } else if (lpfc_is_link_up(phba)) {
3558 if (phba->fc_topology == TOPOLOGY_LOOP) {
3559 if (vport->fc_flag & FC_PUBLIC_LOOP)
3560 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
3562 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
3564 if (vport->fc_flag & FC_FABRIC)
3565 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
3567 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
3570 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
3572 spin_unlock_irq(shost->host_lock);
3576 * lpfc_get_host_port_state - Set the value of the scsi host port state
3577 * @shost: kernel scsi host pointer.
3580 lpfc_get_host_port_state(struct Scsi_Host *shost)
3582 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3583 struct lpfc_hba *phba = vport->phba;
3585 spin_lock_irq(shost->host_lock);
3587 if (vport->fc_flag & FC_OFFLINE_MODE)
3588 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
3590 switch (phba->link_state) {
3591 case LPFC_LINK_UNKNOWN:
3592 case LPFC_LINK_DOWN:
3593 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
3597 case LPFC_HBA_READY:
3598 /* Links up, beyond this port_type reports state */
3599 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
3601 case LPFC_HBA_ERROR:
3602 fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
3605 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
3610 spin_unlock_irq(shost->host_lock);
3614 * lpfc_get_host_speed - Set the value of the scsi host speed
3615 * @shost: kernel scsi host pointer.
3618 lpfc_get_host_speed(struct Scsi_Host *shost)
3620 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3621 struct lpfc_hba *phba = vport->phba;
3623 spin_lock_irq(shost->host_lock);
3625 if (lpfc_is_link_up(phba)) {
3626 switch(phba->fc_linkspeed) {
3628 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
3631 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
3634 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
3637 fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
3640 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
3644 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
3646 spin_unlock_irq(shost->host_lock);
3650 * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name
3651 * @shost: kernel scsi host pointer.
3654 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
3656 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3657 struct lpfc_hba *phba = vport->phba;
3660 spin_lock_irq(shost->host_lock);
3662 if ((vport->fc_flag & FC_FABRIC) ||
3663 ((phba->fc_topology == TOPOLOGY_LOOP) &&
3664 (vport->fc_flag & FC_PUBLIC_LOOP)))
3665 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
3667 /* fabric is local port if there is no F/FL_Port */
3670 spin_unlock_irq(shost->host_lock);
3672 fc_host_fabric_name(shost) = node_name;
3676 * lpfc_get_stats - Return statistical information about the adapter
3677 * @shost: kernel scsi host pointer.
3680 * NULL on error for link down, no mbox pool, sli2 active,
3681 * management not allowed, memory allocation error, or mbox error.
3685 * address of the adapter host statistics
3687 static struct fc_host_statistics *
3688 lpfc_get_stats(struct Scsi_Host *shost)
3690 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3691 struct lpfc_hba *phba = vport->phba;
3692 struct lpfc_sli *psli = &phba->sli;
3693 struct fc_host_statistics *hs = &phba->link_stats;
3694 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
3695 LPFC_MBOXQ_t *pmboxq;
3697 unsigned long seconds;
3701 * prevent udev from issuing mailbox commands until the port is
3704 if (phba->link_state < LPFC_LINK_DOWN ||
3705 !phba->mbox_mem_pool ||
3706 (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0)
3709 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
3712 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3715 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
3717 pmb = &pmboxq->u.mb;
3718 pmb->mbxCommand = MBX_READ_STATUS;
3719 pmb->mbxOwner = OWN_HOST;
3720 pmboxq->context1 = NULL;
3721 pmboxq->vport = vport;
3723 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
3724 (!(psli->sli_flag & LPFC_SLI_ACTIVE)))
3725 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
3727 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
3729 if (rc != MBX_SUCCESS) {
3730 if (rc != MBX_TIMEOUT)
3731 mempool_free(pmboxq, phba->mbox_mem_pool);
3735 memset(hs, 0, sizeof (struct fc_host_statistics));
3737 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
3738 hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
3739 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
3740 hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
3742 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
3743 pmb->mbxCommand = MBX_READ_LNK_STAT;
3744 pmb->mbxOwner = OWN_HOST;
3745 pmboxq->context1 = NULL;
3746 pmboxq->vport = vport;
3748 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
3749 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
3750 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
3752 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
3754 if (rc != MBX_SUCCESS) {
3755 if (rc != MBX_TIMEOUT)
3756 mempool_free(pmboxq, phba->mbox_mem_pool);
3760 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
3761 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
3762 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
3763 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
3764 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
3765 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
3766 hs->error_frames = pmb->un.varRdLnk.crcCnt;
3768 hs->link_failure_count -= lso->link_failure_count;
3769 hs->loss_of_sync_count -= lso->loss_of_sync_count;
3770 hs->loss_of_signal_count -= lso->loss_of_signal_count;
3771 hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
3772 hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
3773 hs->invalid_crc_count -= lso->invalid_crc_count;
3774 hs->error_frames -= lso->error_frames;
3776 if (phba->fc_topology == TOPOLOGY_LOOP) {
3777 hs->lip_count = (phba->fc_eventTag >> 1);
3778 hs->lip_count -= lso->link_events;
3782 hs->nos_count = (phba->fc_eventTag >> 1);
3783 hs->nos_count -= lso->link_events;
3786 hs->dumped_frames = -1;
3788 seconds = get_seconds();
3789 if (seconds < psli->stats_start)
3790 hs->seconds_since_last_reset = seconds +
3791 ((unsigned long)-1 - psli->stats_start);
3793 hs->seconds_since_last_reset = seconds - psli->stats_start;
3795 mempool_free(pmboxq, phba->mbox_mem_pool);
3801 * lpfc_reset_stats - Copy the adapter link stats information
3802 * @shost: kernel scsi host pointer.
3805 lpfc_reset_stats(struct Scsi_Host *shost)
3807 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3808 struct lpfc_hba *phba = vport->phba;
3809 struct lpfc_sli *psli = &phba->sli;
3810 struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets;
3811 LPFC_MBOXQ_t *pmboxq;
3815 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
3818 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3821 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
3823 pmb = &pmboxq->u.mb;
3824 pmb->mbxCommand = MBX_READ_STATUS;
3825 pmb->mbxOwner = OWN_HOST;
3826 pmb->un.varWords[0] = 0x1; /* reset request */
3827 pmboxq->context1 = NULL;
3828 pmboxq->vport = vport;
3830 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
3831 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
3832 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
3834 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
3836 if (rc != MBX_SUCCESS) {
3837 if (rc != MBX_TIMEOUT)
3838 mempool_free(pmboxq, phba->mbox_mem_pool);
3842 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
3843 pmb->mbxCommand = MBX_READ_LNK_STAT;
3844 pmb->mbxOwner = OWN_HOST;
3845 pmboxq->context1 = NULL;
3846 pmboxq->vport = vport;
3848 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
3849 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
3850 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
3852 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
3854 if (rc != MBX_SUCCESS) {
3855 if (rc != MBX_TIMEOUT)
3856 mempool_free( pmboxq, phba->mbox_mem_pool);
3860 lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
3861 lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
3862 lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
3863 lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
3864 lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
3865 lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
3866 lso->error_frames = pmb->un.varRdLnk.crcCnt;
3867 lso->link_events = (phba->fc_eventTag >> 1);
3869 psli->stats_start = get_seconds();
3871 mempool_free(pmboxq, phba->mbox_mem_pool);
3877 * The LPFC driver treats linkdown handling as target loss events so there
3878 * are no sysfs handlers for link_down_tmo.
3882 * lpfc_get_node_by_target - Return the nodelist for a target
3883 * @starget: kernel scsi target pointer.
3886 * address of the node list if found
3887 * NULL target not found
3889 static struct lpfc_nodelist *
3890 lpfc_get_node_by_target(struct scsi_target *starget)
3892 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
3893 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3894 struct lpfc_nodelist *ndlp;
3896 spin_lock_irq(shost->host_lock);
3897 /* Search for this, mapped, target ID */
3898 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
3899 if (NLP_CHK_NODE_ACT(ndlp) &&
3900 ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
3901 starget->id == ndlp->nlp_sid) {
3902 spin_unlock_irq(shost->host_lock);
3906 spin_unlock_irq(shost->host_lock);
3911 * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1
3912 * @starget: kernel scsi target pointer.
3915 lpfc_get_starget_port_id(struct scsi_target *starget)
3917 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
3919 fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
3923 * lpfc_get_starget_node_name - Set the target node name
3924 * @starget: kernel scsi target pointer.
3926 * Description: Set the target node name to the ndlp node name wwn or zero.
3929 lpfc_get_starget_node_name(struct scsi_target *starget)
3931 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
3933 fc_starget_node_name(starget) =
3934 ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
3938 * lpfc_get_starget_port_name - Set the target port name
3939 * @starget: kernel scsi target pointer.
3941 * Description: set the target port name to the ndlp port name wwn or zero.
3944 lpfc_get_starget_port_name(struct scsi_target *starget)
3946 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
3948 fc_starget_port_name(starget) =
3949 ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
3953 * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo
3954 * @rport: fc rport address.
3955 * @timeout: new value for dev loss tmo.
3958 * If timeout is non zero set the dev_loss_tmo to timeout, else set
3959 * dev_loss_tmo to one.
3962 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
3965 rport->dev_loss_tmo = timeout;
3967 rport->dev_loss_tmo = 1;
3971 * lpfc_rport_show_function - Return rport target information
3974 * Macro that uses field to generate a function with the name lpfc_show_rport_
3976 * lpfc_show_rport_##field: returns the bytes formatted in buf
3977 * @cdev: class converted to an fc_rport.
3978 * @buf: on return contains the target_field or zero.
3980 * Returns: size of formatted string.
3982 #define lpfc_rport_show_function(field, format_string, sz, cast) \
3984 lpfc_show_rport_##field (struct device *dev, \
3985 struct device_attribute *attr, \
3988 struct fc_rport *rport = transport_class_to_rport(dev); \
3989 struct lpfc_rport_data *rdata = rport->hostdata; \
3990 return snprintf(buf, sz, format_string, \
3991 (rdata->target) ? cast rdata->target->field : 0); \
3994 #define lpfc_rport_rd_attr(field, format_string, sz) \
3995 lpfc_rport_show_function(field, format_string, sz, ) \
3996 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
3999 * lpfc_set_vport_symbolic_name - Set the vport's symbolic name
4000 * @fc_vport: The fc_vport who's symbolic name has been changed.
4003 * This function is called by the transport after the @fc_vport's symbolic name
4004 * has been changed. This function re-registers the symbolic name with the
4005 * switch to propogate the change into the fabric if the vport is active.
4008 lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport)
4010 struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data;
4012 if (vport->port_state == LPFC_VPORT_READY)
4013 lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0);
4016 struct fc_function_template lpfc_transport_functions = {
4017 /* fixed attributes the driver supports */
4018 .show_host_node_name = 1,
4019 .show_host_port_name = 1,
4020 .show_host_supported_classes = 1,
4021 .show_host_supported_fc4s = 1,
4022 .show_host_supported_speeds = 1,
4023 .show_host_maxframe_size = 1,
4024 .show_host_symbolic_name = 1,
4026 /* dynamic attributes the driver supports */
4027 .get_host_port_id = lpfc_get_host_port_id,
4028 .show_host_port_id = 1,
4030 .get_host_port_type = lpfc_get_host_port_type,
4031 .show_host_port_type = 1,
4033 .get_host_port_state = lpfc_get_host_port_state,
4034 .show_host_port_state = 1,
4036 /* active_fc4s is shown but doesn't change (thus no get function) */
4037 .show_host_active_fc4s = 1,
4039 .get_host_speed = lpfc_get_host_speed,
4040 .show_host_speed = 1,
4042 .get_host_fabric_name = lpfc_get_host_fabric_name,
4043 .show_host_fabric_name = 1,
4046 * The LPFC driver treats linkdown handling as target loss events
4047 * so there are no sysfs handlers for link_down_tmo.
4050 .get_fc_host_stats = lpfc_get_stats,
4051 .reset_fc_host_stats = lpfc_reset_stats,
4053 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
4054 .show_rport_maxframe_size = 1,
4055 .show_rport_supported_classes = 1,
4057 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
4058 .show_rport_dev_loss_tmo = 1,
4060 .get_starget_port_id = lpfc_get_starget_port_id,
4061 .show_starget_port_id = 1,
4063 .get_starget_node_name = lpfc_get_starget_node_name,
4064 .show_starget_node_name = 1,
4066 .get_starget_port_name = lpfc_get_starget_port_name,
4067 .show_starget_port_name = 1,
4069 .issue_fc_host_lip = lpfc_issue_lip,
4070 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
4071 .terminate_rport_io = lpfc_terminate_rport_io,
4073 .dd_fcvport_size = sizeof(struct lpfc_vport *),
4075 .vport_disable = lpfc_vport_disable,
4077 .set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
4080 struct fc_function_template lpfc_vport_transport_functions = {
4081 /* fixed attributes the driver supports */
4082 .show_host_node_name = 1,
4083 .show_host_port_name = 1,
4084 .show_host_supported_classes = 1,
4085 .show_host_supported_fc4s = 1,
4086 .show_host_supported_speeds = 1,
4087 .show_host_maxframe_size = 1,
4088 .show_host_symbolic_name = 1,
4090 /* dynamic attributes the driver supports */
4091 .get_host_port_id = lpfc_get_host_port_id,
4092 .show_host_port_id = 1,
4094 .get_host_port_type = lpfc_get_host_port_type,
4095 .show_host_port_type = 1,
4097 .get_host_port_state = lpfc_get_host_port_state,
4098 .show_host_port_state = 1,
4100 /* active_fc4s is shown but doesn't change (thus no get function) */
4101 .show_host_active_fc4s = 1,
4103 .get_host_speed = lpfc_get_host_speed,
4104 .show_host_speed = 1,
4106 .get_host_fabric_name = lpfc_get_host_fabric_name,
4107 .show_host_fabric_name = 1,
4110 * The LPFC driver treats linkdown handling as target loss events
4111 * so there are no sysfs handlers for link_down_tmo.
4114 .get_fc_host_stats = lpfc_get_stats,
4115 .reset_fc_host_stats = lpfc_reset_stats,
4117 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
4118 .show_rport_maxframe_size = 1,
4119 .show_rport_supported_classes = 1,
4121 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
4122 .show_rport_dev_loss_tmo = 1,
4124 .get_starget_port_id = lpfc_get_starget_port_id,
4125 .show_starget_port_id = 1,
4127 .get_starget_node_name = lpfc_get_starget_node_name,
4128 .show_starget_node_name = 1,
4130 .get_starget_port_name = lpfc_get_starget_port_name,
4131 .show_starget_port_name = 1,
4133 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
4134 .terminate_rport_io = lpfc_terminate_rport_io,
4136 .vport_disable = lpfc_vport_disable,
4138 .set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
4142 * lpfc_get_cfgparam - Used during probe_one to init the adapter structure
4143 * @phba: lpfc_hba pointer.
4146 lpfc_get_cfgparam(struct lpfc_hba *phba)
4148 lpfc_cr_delay_init(phba, lpfc_cr_delay);
4149 lpfc_cr_count_init(phba, lpfc_cr_count);
4150 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
4151 lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
4152 lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
4153 lpfc_ack0_init(phba, lpfc_ack0);
4154 lpfc_topology_init(phba, lpfc_topology);
4155 lpfc_link_speed_init(phba, lpfc_link_speed);
4156 lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
4157 lpfc_enable_npiv_init(phba, lpfc_enable_npiv);
4158 lpfc_use_msi_init(phba, lpfc_use_msi);
4159 lpfc_fcp_imax_init(phba, lpfc_fcp_imax);
4160 lpfc_fcp_wq_count_init(phba, lpfc_fcp_wq_count);
4161 lpfc_fcp_eq_count_init(phba, lpfc_fcp_eq_count);
4162 lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset);
4163 lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat);
4164 lpfc_enable_bg_init(phba, lpfc_enable_bg);
4165 phba->cfg_poll = lpfc_poll;
4166 phba->cfg_soft_wwnn = 0L;
4167 phba->cfg_soft_wwpn = 0L;
4168 lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt);
4169 lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt);
4171 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4172 * used to create the sg_dma_buf_pool must be dynamically calculated.
4173 * 2 segments are added since the IOCB needs a command and response bde.
4175 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4176 sizeof(struct fcp_rsp) +
4177 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64));
4179 if (phba->cfg_enable_bg) {
4180 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT;
4181 phba->cfg_sg_dma_buf_size +=
4182 phba->cfg_prot_sg_seg_cnt * sizeof(struct ulp_bde64);
4185 /* Also reinitialize the host templates with new values. */
4186 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4187 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4189 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
4194 * lpfc_get_vport_cfgparam - Used during port create, init the vport structure
4195 * @vport: lpfc_vport pointer.
4198 lpfc_get_vport_cfgparam(struct lpfc_vport *vport)
4200 lpfc_log_verbose_init(vport, lpfc_log_verbose);
4201 lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth);
4202 lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo);
4203 lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo);
4204 lpfc_peer_port_login_init(vport, lpfc_peer_port_login);
4205 lpfc_restrict_login_init(vport, lpfc_restrict_login);
4206 lpfc_fcp_class_init(vport, lpfc_fcp_class);
4207 lpfc_use_adisc_init(vport, lpfc_use_adisc);
4208 lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time);
4209 lpfc_fdmi_on_init(vport, lpfc_fdmi_on);
4210 lpfc_discovery_threads_init(vport, lpfc_discovery_threads);
4211 lpfc_max_luns_init(vport, lpfc_max_luns);
4212 lpfc_scan_down_init(vport, lpfc_scan_down);
4213 lpfc_enable_da_id_init(vport, lpfc_enable_da_id);