1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2011 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>
26 #include <linux/aer.h>
27 #include <linux/gfp.h>
28 #include <linux/kernel.h>
30 #include <scsi/scsi.h>
31 #include <scsi/scsi_device.h>
32 #include <scsi/scsi_host.h>
33 #include <scsi/scsi_tcq.h>
34 #include <scsi/scsi_transport_fc.h>
35 #include <scsi/fc/fc_fs.h>
40 #include "lpfc_sli4.h"
42 #include "lpfc_disc.h"
43 #include "lpfc_scsi.h"
45 #include "lpfc_logmsg.h"
46 #include "lpfc_version.h"
47 #include "lpfc_compat.h"
48 #include "lpfc_crtn.h"
49 #include "lpfc_vport.h"
51 #define LPFC_DEF_DEVLOSS_TMO 30
52 #define LPFC_MIN_DEVLOSS_TMO 1
53 #define LPFC_MAX_DEVLOSS_TMO 255
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_enable_fip_show - Return the fip mode of the HBA
103 * @dev: class unused variable.
104 * @attr: device attribute, not used.
105 * @buf: on return contains the module description text.
107 * Returns: size of formatted string.
110 lpfc_enable_fip_show(struct device *dev, struct device_attribute *attr,
113 struct Scsi_Host *shost = class_to_shost(dev);
114 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
115 struct lpfc_hba *phba = vport->phba;
117 if (phba->hba_flag & HBA_FIP_SUPPORT)
118 return snprintf(buf, PAGE_SIZE, "1\n");
120 return snprintf(buf, PAGE_SIZE, "0\n");
124 lpfc_bg_info_show(struct device *dev, struct device_attribute *attr,
127 struct Scsi_Host *shost = class_to_shost(dev);
128 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
129 struct lpfc_hba *phba = vport->phba;
131 if (phba->cfg_enable_bg)
132 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
133 return snprintf(buf, PAGE_SIZE, "BlockGuard Enabled\n");
135 return snprintf(buf, PAGE_SIZE,
136 "BlockGuard Not Supported\n");
138 return snprintf(buf, PAGE_SIZE,
139 "BlockGuard Disabled\n");
143 lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr,
146 struct Scsi_Host *shost = class_to_shost(dev);
147 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
148 struct lpfc_hba *phba = vport->phba;
150 return snprintf(buf, PAGE_SIZE, "%llu\n",
151 (unsigned long long)phba->bg_guard_err_cnt);
155 lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr,
158 struct Scsi_Host *shost = class_to_shost(dev);
159 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
160 struct lpfc_hba *phba = vport->phba;
162 return snprintf(buf, PAGE_SIZE, "%llu\n",
163 (unsigned long long)phba->bg_apptag_err_cnt);
167 lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr,
170 struct Scsi_Host *shost = class_to_shost(dev);
171 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
172 struct lpfc_hba *phba = vport->phba;
174 return snprintf(buf, PAGE_SIZE, "%llu\n",
175 (unsigned long long)phba->bg_reftag_err_cnt);
179 * lpfc_info_show - Return some pci info about the host in ascii
180 * @dev: class converted to a Scsi_host structure.
181 * @attr: device attribute, not used.
182 * @buf: on return contains the formatted text from lpfc_info().
184 * Returns: size of formatted string.
187 lpfc_info_show(struct device *dev, struct device_attribute *attr,
190 struct Scsi_Host *host = class_to_shost(dev);
192 return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
196 * lpfc_serialnum_show - Return the hba serial number in ascii
197 * @dev: class converted to a Scsi_host structure.
198 * @attr: device attribute, not used.
199 * @buf: on return contains the formatted text serial number.
201 * Returns: size of formatted string.
204 lpfc_serialnum_show(struct device *dev, struct device_attribute *attr,
207 struct Scsi_Host *shost = class_to_shost(dev);
208 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
209 struct lpfc_hba *phba = vport->phba;
211 return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
215 * lpfc_temp_sensor_show - Return the temperature sensor level
216 * @dev: class converted to a Scsi_host structure.
217 * @attr: device attribute, not used.
218 * @buf: on return contains the formatted support level.
221 * Returns a number indicating the temperature sensor level currently
222 * supported, zero or one in ascii.
224 * Returns: size of formatted string.
227 lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr,
230 struct Scsi_Host *shost = class_to_shost(dev);
231 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
232 struct lpfc_hba *phba = vport->phba;
233 return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support);
237 * lpfc_modeldesc_show - Return the model description of the hba
238 * @dev: class converted to a Scsi_host structure.
239 * @attr: device attribute, not used.
240 * @buf: on return contains the scsi vpd model description.
242 * Returns: size of formatted string.
245 lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr,
248 struct Scsi_Host *shost = class_to_shost(dev);
249 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
250 struct lpfc_hba *phba = vport->phba;
252 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
256 * lpfc_modelname_show - Return the model name of the hba
257 * @dev: class converted to a Scsi_host structure.
258 * @attr: device attribute, not used.
259 * @buf: on return contains the scsi vpd model name.
261 * Returns: size of formatted string.
264 lpfc_modelname_show(struct device *dev, struct device_attribute *attr,
267 struct Scsi_Host *shost = class_to_shost(dev);
268 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
269 struct lpfc_hba *phba = vport->phba;
271 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
275 * lpfc_programtype_show - Return the program type of the hba
276 * @dev: class converted to a Scsi_host structure.
277 * @attr: device attribute, not used.
278 * @buf: on return contains the scsi vpd program type.
280 * Returns: size of formatted string.
283 lpfc_programtype_show(struct device *dev, struct device_attribute *attr,
286 struct Scsi_Host *shost = class_to_shost(dev);
287 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
288 struct lpfc_hba *phba = vport->phba;
290 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
294 * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag
295 * @dev: class converted to a Scsi_host structure.
296 * @attr: device attribute, not used.
297 * @buf: on return contains the Menlo Maintenance sli flag.
299 * Returns: size of formatted string.
302 lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf)
304 struct Scsi_Host *shost = class_to_shost(dev);
305 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
306 struct lpfc_hba *phba = vport->phba;
308 return snprintf(buf, PAGE_SIZE, "%d\n",
309 (phba->sli.sli_flag & LPFC_MENLO_MAINT));
313 * lpfc_vportnum_show - Return the port number in ascii of the hba
314 * @dev: class converted to a Scsi_host structure.
315 * @attr: device attribute, not used.
316 * @buf: on return contains scsi vpd program type.
318 * Returns: size of formatted string.
321 lpfc_vportnum_show(struct device *dev, struct device_attribute *attr,
324 struct Scsi_Host *shost = class_to_shost(dev);
325 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
326 struct lpfc_hba *phba = vport->phba;
328 return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
332 * lpfc_fwrev_show - Return the firmware rev running in the hba
333 * @dev: class converted to a Scsi_host structure.
334 * @attr: device attribute, not used.
335 * @buf: on return contains the scsi vpd program type.
337 * Returns: size of formatted string.
340 lpfc_fwrev_show(struct device *dev, struct device_attribute *attr,
343 struct Scsi_Host *shost = class_to_shost(dev);
344 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
345 struct lpfc_hba *phba = vport->phba;
348 lpfc_decode_firmware_rev(phba, fwrev, 1);
349 return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev);
353 * lpfc_hdw_show - Return the jedec information about the hba
354 * @dev: class converted to a Scsi_host structure.
355 * @attr: device attribute, not used.
356 * @buf: on return contains the scsi vpd program type.
358 * Returns: size of formatted string.
361 lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf)
364 struct Scsi_Host *shost = class_to_shost(dev);
365 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
366 struct lpfc_hba *phba = vport->phba;
367 lpfc_vpd_t *vp = &phba->vpd;
369 lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
370 return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
374 * lpfc_option_rom_version_show - Return the adapter ROM FCode version
375 * @dev: class converted to a Scsi_host structure.
376 * @attr: device attribute, not used.
377 * @buf: on return contains the ROM and FCode ascii strings.
379 * Returns: size of formatted string.
382 lpfc_option_rom_version_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;
389 return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
393 * lpfc_state_show - Return the link state of the port
394 * @dev: class converted to a Scsi_host structure.
395 * @attr: device attribute, not used.
396 * @buf: on return contains text describing the state of the link.
399 * The switch statement has no default so zero will be returned.
401 * Returns: size of formatted string.
404 lpfc_link_state_show(struct device *dev, struct device_attribute *attr,
407 struct Scsi_Host *shost = class_to_shost(dev);
408 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
409 struct lpfc_hba *phba = vport->phba;
412 switch (phba->link_state) {
413 case LPFC_LINK_UNKNOWN:
414 case LPFC_WARM_START:
415 case LPFC_INIT_START:
416 case LPFC_INIT_MBX_CMDS:
419 if (phba->hba_flag & LINK_DISABLED)
420 len += snprintf(buf + len, PAGE_SIZE-len,
421 "Link Down - User disabled\n");
423 len += snprintf(buf + len, PAGE_SIZE-len,
429 len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - ");
431 switch (vport->port_state) {
432 case LPFC_LOCAL_CFG_LINK:
433 len += snprintf(buf + len, PAGE_SIZE-len,
434 "Configuring Link\n");
438 case LPFC_FABRIC_CFG_LINK:
441 case LPFC_BUILD_DISC_LIST:
443 len += snprintf(buf + len, PAGE_SIZE - len,
446 case LPFC_VPORT_READY:
447 len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n");
450 case LPFC_VPORT_FAILED:
451 len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n");
454 case LPFC_VPORT_UNKNOWN:
455 len += snprintf(buf + len, PAGE_SIZE - len,
459 if (phba->sli.sli_flag & LPFC_MENLO_MAINT)
460 len += snprintf(buf + len, PAGE_SIZE-len,
461 " Menlo Maint Mode\n");
462 else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
463 if (vport->fc_flag & FC_PUBLIC_LOOP)
464 len += snprintf(buf + len, PAGE_SIZE-len,
467 len += snprintf(buf + len, PAGE_SIZE-len,
470 if (vport->fc_flag & FC_FABRIC)
471 len += snprintf(buf + len, PAGE_SIZE-len,
474 len += snprintf(buf + len, PAGE_SIZE-len,
483 * lpfc_link_state_store - Transition the link_state on an HBA port
484 * @dev: class device that is converted into a Scsi_host.
485 * @attr: device attribute, not used.
486 * @buf: one or more lpfc_polling_flags values.
490 * -EINVAL if the buffer is not "up" or "down"
491 * return from link state change function if non-zero
492 * length of the buf on success
495 lpfc_link_state_store(struct device *dev, struct device_attribute *attr,
496 const char *buf, size_t count)
498 struct Scsi_Host *shost = class_to_shost(dev);
499 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
500 struct lpfc_hba *phba = vport->phba;
502 int status = -EINVAL;
504 if ((strncmp(buf, "up", sizeof("up") - 1) == 0) &&
505 (phba->link_state == LPFC_LINK_DOWN))
506 status = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
507 else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) &&
508 (phba->link_state >= LPFC_LINK_UP))
509 status = phba->lpfc_hba_down_link(phba, MBX_NOWAIT);
518 * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports
519 * @dev: class device that is converted into a Scsi_host.
520 * @attr: device attribute, not used.
521 * @buf: on return contains the sum of fc mapped and unmapped.
524 * Returns the ascii text number of the sum of the fc mapped and unmapped
527 * Returns: size of formatted string.
530 lpfc_num_discovered_ports_show(struct device *dev,
531 struct device_attribute *attr, char *buf)
533 struct Scsi_Host *shost = class_to_shost(dev);
534 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
536 return snprintf(buf, PAGE_SIZE, "%d\n",
537 vport->fc_map_cnt + vport->fc_unmap_cnt);
541 * lpfc_issue_lip - Misnomer, name carried over from long ago
542 * @shost: Scsi_Host pointer.
545 * Bring the link down gracefully then re-init the link. The firmware will
546 * re-init the fiber channel interface as required. Does not issue a LIP.
549 * -EPERM port offline or management commands are being blocked
550 * -ENOMEM cannot allocate memory for the mailbox command
551 * -EIO error sending the mailbox command
555 lpfc_issue_lip(struct Scsi_Host *shost)
557 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
558 struct lpfc_hba *phba = vport->phba;
559 LPFC_MBOXQ_t *pmboxq;
560 int mbxstatus = MBXERR_ERROR;
562 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
563 (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO))
566 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
571 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
572 pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK;
573 pmboxq->u.mb.mbxOwner = OWN_HOST;
575 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
577 if ((mbxstatus == MBX_SUCCESS) &&
578 (pmboxq->u.mb.mbxStatus == 0 ||
579 pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) {
580 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
581 lpfc_init_link(phba, pmboxq, phba->cfg_topology,
582 phba->cfg_link_speed);
583 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
585 if ((mbxstatus == MBX_SUCCESS) &&
586 (pmboxq->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION))
587 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
588 "2859 SLI authentication is required "
589 "for INIT_LINK but has not done yet\n");
592 lpfc_set_loopback_flag(phba);
593 if (mbxstatus != MBX_TIMEOUT)
594 mempool_free(pmboxq, phba->mbox_mem_pool);
596 if (mbxstatus == MBXERR_ERROR)
603 * lpfc_do_offline - Issues a mailbox command to bring the link down
604 * @phba: lpfc_hba pointer.
605 * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL.
608 * Assumes any error from lpfc_do_offline() will be negative.
609 * Can wait up to 5 seconds for the port ring buffers count
610 * to reach zero, prints a warning if it is not zero and continues.
611 * lpfc_workq_post_event() returns a non-zero return code if call fails.
614 * -EIO error posting the event
618 lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
620 struct completion online_compl;
621 struct lpfc_sli_ring *pring;
622 struct lpfc_sli *psli;
628 init_completion(&online_compl);
629 rc = lpfc_workq_post_event(phba, &status, &online_compl,
630 LPFC_EVT_OFFLINE_PREP);
634 wait_for_completion(&online_compl);
641 /* Wait a little for things to settle down, but not
642 * long enough for dev loss timeout to expire.
644 for (i = 0; i < psli->num_rings; i++) {
645 pring = &psli->ring[i];
646 while (pring->txcmplq_cnt) {
648 if (cnt++ > 500) { /* 5 secs */
649 lpfc_printf_log(phba,
650 KERN_WARNING, LOG_INIT,
651 "0466 Outstanding IO when "
652 "bringing Adapter offline\n");
658 init_completion(&online_compl);
659 rc = lpfc_workq_post_event(phba, &status, &online_compl, type);
663 wait_for_completion(&online_compl);
672 * lpfc_selective_reset - Offline then onlines the port
673 * @phba: lpfc_hba pointer.
676 * If the port is configured to allow a reset then the hba is brought
677 * offline then online.
680 * Assumes any error from lpfc_do_offline() will be negative.
681 * Do not make this function static.
684 * lpfc_do_offline() return code if not zero
685 * -EIO reset not configured or error posting the event
689 lpfc_selective_reset(struct lpfc_hba *phba)
691 struct completion online_compl;
695 if (!phba->cfg_enable_hba_reset)
698 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
703 init_completion(&online_compl);
704 rc = lpfc_workq_post_event(phba, &status, &online_compl,
709 wait_for_completion(&online_compl);
718 * lpfc_issue_reset - Selectively resets an adapter
719 * @dev: class device that is converted into a Scsi_host.
720 * @attr: device attribute, not used.
721 * @buf: containing the string "selective".
722 * @count: unused variable.
725 * If the buf contains the string "selective" then lpfc_selective_reset()
726 * is called to perform the reset.
729 * Assumes any error from lpfc_selective_reset() will be negative.
730 * If lpfc_selective_reset() returns zero then the length of the buffer
731 * is returned which indicates success
734 * -EINVAL if the buffer does not contain the string "selective"
735 * length of buf if lpfc-selective_reset() if the call succeeds
736 * return value of lpfc_selective_reset() if the call fails
739 lpfc_issue_reset(struct device *dev, struct device_attribute *attr,
740 const char *buf, size_t count)
742 struct Scsi_Host *shost = class_to_shost(dev);
743 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
744 struct lpfc_hba *phba = vport->phba;
746 int status = -EINVAL;
748 if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
749 status = phba->lpfc_selective_reset(phba);
758 * lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc
759 * @phba: lpfc_hba pointer.
762 * Request SLI4 interface type-2 device to perform a physical register set
769 lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode)
771 struct completion online_compl;
776 if (!phba->cfg_enable_hba_reset)
779 if ((phba->sli_rev < LPFC_SLI_REV4) ||
780 (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
781 LPFC_SLI_INTF_IF_TYPE_2))
784 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
789 /* wait for the device to be quiesced before firmware reset */
792 reg_val = readl(phba->sli4_hba.conf_regs_memmap_p +
793 LPFC_CTL_PDEV_CTL_OFFSET);
795 if (opcode == LPFC_FW_DUMP)
796 reg_val |= LPFC_FW_DUMP_REQUEST;
797 else if (opcode == LPFC_FW_RESET)
798 reg_val |= LPFC_CTL_PDEV_CTL_FRST;
799 else if (opcode == LPFC_DV_RESET)
800 reg_val |= LPFC_CTL_PDEV_CTL_DRST;
802 writel(reg_val, phba->sli4_hba.conf_regs_memmap_p +
803 LPFC_CTL_PDEV_CTL_OFFSET);
805 readl(phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET);
807 /* delay driver action following IF_TYPE_2 reset */
810 init_completion(&online_compl);
811 rc = lpfc_workq_post_event(phba, &status, &online_compl,
816 wait_for_completion(&online_compl);
825 * lpfc_nport_evt_cnt_show - Return the number of nport events
826 * @dev: class device that is converted into a Scsi_host.
827 * @attr: device attribute, not used.
828 * @buf: on return contains the ascii number of nport events.
830 * Returns: size of formatted string.
833 lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr,
836 struct Scsi_Host *shost = class_to_shost(dev);
837 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
838 struct lpfc_hba *phba = vport->phba;
840 return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
844 * lpfc_board_mode_show - Return the state of the board
845 * @dev: class device that is converted into a Scsi_host.
846 * @attr: device attribute, not used.
847 * @buf: on return contains the state of the adapter.
849 * Returns: size of formatted string.
852 lpfc_board_mode_show(struct device *dev, struct device_attribute *attr,
855 struct Scsi_Host *shost = class_to_shost(dev);
856 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
857 struct lpfc_hba *phba = vport->phba;
860 if (phba->link_state == LPFC_HBA_ERROR)
862 else if (phba->link_state == LPFC_WARM_START)
863 state = "warm start";
864 else if (phba->link_state == LPFC_INIT_START)
869 return snprintf(buf, PAGE_SIZE, "%s\n", state);
873 * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state
874 * @dev: class device that is converted into a Scsi_host.
875 * @attr: device attribute, not used.
876 * @buf: containing one of the strings "online", "offline", "warm" or "error".
877 * @count: unused variable.
880 * -EACCES if enable hba reset not enabled
881 * -EINVAL if the buffer does not contain a valid string (see above)
882 * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails
883 * buf length greater than zero indicates success
886 lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
887 const char *buf, size_t count)
889 struct Scsi_Host *shost = class_to_shost(dev);
890 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
891 struct lpfc_hba *phba = vport->phba;
892 struct completion online_compl;
896 if (!phba->cfg_enable_hba_reset)
898 init_completion(&online_compl);
900 if(strncmp(buf, "online", sizeof("online") - 1) == 0) {
901 rc = lpfc_workq_post_event(phba, &status, &online_compl,
905 wait_for_completion(&online_compl);
906 } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
907 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
908 else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
909 if (phba->sli_rev == LPFC_SLI_REV4)
912 status = lpfc_do_offline(phba, LPFC_EVT_WARM_START);
913 else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
914 if (phba->sli_rev == LPFC_SLI_REV4)
917 status = lpfc_do_offline(phba, LPFC_EVT_KILL);
918 else if (strncmp(buf, "dump", sizeof("dump") - 1) == 0)
919 status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_DUMP);
920 else if (strncmp(buf, "fw_reset", sizeof("fw_reset") - 1) == 0)
921 status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_RESET);
922 else if (strncmp(buf, "dv_reset", sizeof("dv_reset") - 1) == 0)
923 status = lpfc_sli4_pdev_reg_request(phba, LPFC_DV_RESET);
934 * lpfc_get_hba_info - Return various bits of informaton about the adapter
935 * @phba: pointer to the adapter structure.
936 * @mxri: max xri count.
937 * @axri: available xri count.
938 * @mrpi: max rpi count.
939 * @arpi: available rpi count.
940 * @mvpi: max vpi count.
941 * @avpi: available vpi count.
944 * If an integer pointer for an count is not null then the value for the
952 lpfc_get_hba_info(struct lpfc_hba *phba,
953 uint32_t *mxri, uint32_t *axri,
954 uint32_t *mrpi, uint32_t *arpi,
955 uint32_t *mvpi, uint32_t *avpi)
957 struct lpfc_mbx_read_config *rd_config;
958 LPFC_MBOXQ_t *pmboxq;
964 * prevent udev from issuing mailbox commands until the port is
967 if (phba->link_state < LPFC_LINK_DOWN ||
968 !phba->mbox_mem_pool ||
969 (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0)
972 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
975 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
978 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
981 pmb->mbxCommand = MBX_READ_CONFIG;
982 pmb->mbxOwner = OWN_HOST;
983 pmboxq->context1 = NULL;
985 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
986 rc = MBX_NOT_FINISHED;
988 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
990 if (rc != MBX_SUCCESS) {
991 if (rc != MBX_TIMEOUT)
992 mempool_free(pmboxq, phba->mbox_mem_pool);
996 if (phba->sli_rev == LPFC_SLI_REV4) {
997 rd_config = &pmboxq->u.mqe.un.rd_config;
999 *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
1001 *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) -
1002 phba->sli4_hba.max_cfg_param.rpi_used;
1004 *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
1006 *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) -
1007 phba->sli4_hba.max_cfg_param.xri_used;
1009 /* Account for differences with SLI-3. Get vpi count from
1010 * mailbox data and subtract one for max vpi value.
1012 max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ?
1013 (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0;
1018 *avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used;
1021 *mrpi = pmb->un.varRdConfig.max_rpi;
1023 *arpi = pmb->un.varRdConfig.avail_rpi;
1025 *mxri = pmb->un.varRdConfig.max_xri;
1027 *axri = pmb->un.varRdConfig.avail_xri;
1029 *mvpi = pmb->un.varRdConfig.max_vpi;
1031 *avpi = pmb->un.varRdConfig.avail_vpi;
1034 mempool_free(pmboxq, phba->mbox_mem_pool);
1039 * lpfc_max_rpi_show - Return maximum rpi
1040 * @dev: class device that is converted into a Scsi_host.
1041 * @attr: device attribute, not used.
1042 * @buf: on return contains the maximum rpi count in decimal or "Unknown".
1045 * Calls lpfc_get_hba_info() asking for just the mrpi count.
1046 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1047 * to "Unknown" and the buffer length is returned, therefore the caller
1048 * must check for "Unknown" in the buffer to detect a failure.
1050 * Returns: size of formatted string.
1053 lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr,
1056 struct Scsi_Host *shost = class_to_shost(dev);
1057 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1058 struct lpfc_hba *phba = vport->phba;
1061 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL))
1062 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
1063 return snprintf(buf, PAGE_SIZE, "Unknown\n");
1067 * lpfc_used_rpi_show - Return maximum rpi minus available rpi
1068 * @dev: class device that is converted into a Scsi_host.
1069 * @attr: device attribute, not used.
1070 * @buf: containing the used rpi count in decimal or "Unknown".
1073 * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts.
1074 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1075 * to "Unknown" and the buffer length is returned, therefore the caller
1076 * must check for "Unknown" in the buffer to detect a failure.
1078 * Returns: size of formatted string.
1081 lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr,
1084 struct Scsi_Host *shost = class_to_shost(dev);
1085 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1086 struct lpfc_hba *phba = vport->phba;
1089 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL))
1090 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
1091 return snprintf(buf, PAGE_SIZE, "Unknown\n");
1095 * lpfc_max_xri_show - Return maximum xri
1096 * @dev: class device that is converted into a Scsi_host.
1097 * @attr: device attribute, not used.
1098 * @buf: on return contains the maximum xri count in decimal or "Unknown".
1101 * Calls lpfc_get_hba_info() asking for just the mrpi count.
1102 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1103 * to "Unknown" and the buffer length is returned, therefore the caller
1104 * must check for "Unknown" in the buffer to detect a failure.
1106 * Returns: size of formatted string.
1109 lpfc_max_xri_show(struct device *dev, struct device_attribute *attr,
1112 struct Scsi_Host *shost = class_to_shost(dev);
1113 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1114 struct lpfc_hba *phba = vport->phba;
1117 if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL))
1118 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
1119 return snprintf(buf, PAGE_SIZE, "Unknown\n");
1123 * lpfc_used_xri_show - Return maximum xpi minus the available xpi
1124 * @dev: class device that is converted into a Scsi_host.
1125 * @attr: device attribute, not used.
1126 * @buf: on return contains the used xri count in decimal or "Unknown".
1129 * Calls lpfc_get_hba_info() asking for just the mxri and axri counts.
1130 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1131 * to "Unknown" and the buffer length is returned, therefore the caller
1132 * must check for "Unknown" in the buffer to detect a failure.
1134 * Returns: size of formatted string.
1137 lpfc_used_xri_show(struct device *dev, struct device_attribute *attr,
1140 struct Scsi_Host *shost = class_to_shost(dev);
1141 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1142 struct lpfc_hba *phba = vport->phba;
1145 if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL))
1146 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
1147 return snprintf(buf, PAGE_SIZE, "Unknown\n");
1151 * lpfc_max_vpi_show - Return maximum vpi
1152 * @dev: class device that is converted into a Scsi_host.
1153 * @attr: device attribute, not used.
1154 * @buf: on return contains the maximum vpi count in decimal or "Unknown".
1157 * Calls lpfc_get_hba_info() asking for just the mvpi count.
1158 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1159 * to "Unknown" and the buffer length is returned, therefore the caller
1160 * must check for "Unknown" in the buffer to detect a failure.
1162 * Returns: size of formatted string.
1165 lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr,
1168 struct Scsi_Host *shost = class_to_shost(dev);
1169 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1170 struct lpfc_hba *phba = vport->phba;
1173 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL))
1174 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
1175 return snprintf(buf, PAGE_SIZE, "Unknown\n");
1179 * lpfc_used_vpi_show - Return maximum vpi minus the available vpi
1180 * @dev: class device that is converted into a Scsi_host.
1181 * @attr: device attribute, not used.
1182 * @buf: on return contains the used vpi count in decimal or "Unknown".
1185 * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts.
1186 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1187 * to "Unknown" and the buffer length is returned, therefore the caller
1188 * must check for "Unknown" in the buffer to detect a failure.
1190 * Returns: size of formatted string.
1193 lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr,
1196 struct Scsi_Host *shost = class_to_shost(dev);
1197 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1198 struct lpfc_hba *phba = vport->phba;
1201 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt))
1202 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
1203 return snprintf(buf, PAGE_SIZE, "Unknown\n");
1207 * lpfc_npiv_info_show - Return text about NPIV support for the adapter
1208 * @dev: class device that is converted into a Scsi_host.
1209 * @attr: device attribute, not used.
1210 * @buf: text that must be interpreted to determine if npiv is supported.
1213 * Buffer will contain text indicating npiv is not suppoerted on the port,
1214 * the port is an NPIV physical port, or it is an npiv virtual port with
1215 * the id of the vport.
1217 * Returns: size of formatted string.
1220 lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr,
1223 struct Scsi_Host *shost = class_to_shost(dev);
1224 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1225 struct lpfc_hba *phba = vport->phba;
1227 if (!(phba->max_vpi))
1228 return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n");
1229 if (vport->port_type == LPFC_PHYSICAL_PORT)
1230 return snprintf(buf, PAGE_SIZE, "NPIV Physical\n");
1231 return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi);
1235 * lpfc_poll_show - Return text about poll support for the adapter
1236 * @dev: class device that is converted into a Scsi_host.
1237 * @attr: device attribute, not used.
1238 * @buf: on return contains the cfg_poll in hex.
1241 * cfg_poll should be a lpfc_polling_flags type.
1243 * Returns: size of formatted string.
1246 lpfc_poll_show(struct device *dev, struct device_attribute *attr,
1249 struct Scsi_Host *shost = class_to_shost(dev);
1250 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1251 struct lpfc_hba *phba = vport->phba;
1253 return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
1257 * lpfc_poll_store - Set the value of cfg_poll for the adapter
1258 * @dev: class device that is converted into a Scsi_host.
1259 * @attr: device attribute, not used.
1260 * @buf: one or more lpfc_polling_flags values.
1264 * buf contents converted to integer and checked for a valid value.
1267 * -EINVAL if the buffer connot be converted or is out of range
1268 * length of the buf on success
1271 lpfc_poll_store(struct device *dev, struct device_attribute *attr,
1272 const char *buf, size_t count)
1274 struct Scsi_Host *shost = class_to_shost(dev);
1275 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1276 struct lpfc_hba *phba = vport->phba;
1281 if (!isdigit(buf[0]))
1284 if (sscanf(buf, "%i", &val) != 1)
1287 if ((val & 0x3) != val)
1290 if (phba->sli_rev == LPFC_SLI_REV4)
1293 spin_lock_irq(&phba->hbalock);
1295 old_val = phba->cfg_poll;
1297 if (val & ENABLE_FCP_RING_POLLING) {
1298 if ((val & DISABLE_FCP_RING_INT) &&
1299 !(old_val & DISABLE_FCP_RING_INT)) {
1300 if (lpfc_readl(phba->HCregaddr, &creg_val)) {
1301 spin_unlock_irq(&phba->hbalock);
1304 creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
1305 writel(creg_val, phba->HCregaddr);
1306 readl(phba->HCregaddr); /* flush */
1308 lpfc_poll_start_timer(phba);
1310 } else if (val != 0x0) {
1311 spin_unlock_irq(&phba->hbalock);
1315 if (!(val & DISABLE_FCP_RING_INT) &&
1316 (old_val & DISABLE_FCP_RING_INT))
1318 spin_unlock_irq(&phba->hbalock);
1319 del_timer(&phba->fcp_poll_timer);
1320 spin_lock_irq(&phba->hbalock);
1321 if (lpfc_readl(phba->HCregaddr, &creg_val)) {
1322 spin_unlock_irq(&phba->hbalock);
1325 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
1326 writel(creg_val, phba->HCregaddr);
1327 readl(phba->HCregaddr); /* flush */
1330 phba->cfg_poll = val;
1332 spin_unlock_irq(&phba->hbalock);
1338 * lpfc_fips_level_show - Return the current FIPS level for the HBA
1339 * @dev: class unused variable.
1340 * @attr: device attribute, not used.
1341 * @buf: on return contains the module description text.
1343 * Returns: size of formatted string.
1346 lpfc_fips_level_show(struct device *dev, struct device_attribute *attr,
1349 struct Scsi_Host *shost = class_to_shost(dev);
1350 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1351 struct lpfc_hba *phba = vport->phba;
1353 return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_level);
1357 * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA
1358 * @dev: class unused variable.
1359 * @attr: device attribute, not used.
1360 * @buf: on return contains the module description text.
1362 * Returns: size of formatted string.
1365 lpfc_fips_rev_show(struct device *dev, struct device_attribute *attr,
1368 struct Scsi_Host *shost = class_to_shost(dev);
1369 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1370 struct lpfc_hba *phba = vport->phba;
1372 return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_spec_rev);
1376 * lpfc_dss_show - Return the current state of dss and the configured state
1377 * @dev: class converted to a Scsi_host structure.
1378 * @attr: device attribute, not used.
1379 * @buf: on return contains the formatted text.
1381 * Returns: size of formatted string.
1384 lpfc_dss_show(struct device *dev, struct device_attribute *attr,
1387 struct Scsi_Host *shost = class_to_shost(dev);
1388 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1389 struct lpfc_hba *phba = vport->phba;
1391 return snprintf(buf, PAGE_SIZE, "%s - %sOperational\n",
1392 (phba->cfg_enable_dss) ? "Enabled" : "Disabled",
1393 (phba->sli3_options & LPFC_SLI3_DSS_ENABLED) ?
1398 * lpfc_sriov_hw_max_virtfn_show - Return maximum number of virtual functions
1399 * @dev: class converted to a Scsi_host structure.
1400 * @attr: device attribute, not used.
1401 * @buf: on return contains the formatted support level.
1404 * Returns the maximum number of virtual functions a physical function can
1405 * support, 0 will be returned if called on virtual function.
1407 * Returns: size of formatted string.
1410 lpfc_sriov_hw_max_virtfn_show(struct device *dev,
1411 struct device_attribute *attr,
1414 struct Scsi_Host *shost = class_to_shost(dev);
1415 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1416 struct lpfc_hba *phba = vport->phba;
1417 struct pci_dev *pdev = phba->pcidev;
1418 union lpfc_sli4_cfg_shdr *shdr;
1419 uint32_t shdr_status, shdr_add_status;
1420 LPFC_MBOXQ_t *mboxq;
1421 struct lpfc_mbx_get_prof_cfg *get_prof_cfg;
1422 struct lpfc_rsrc_desc_pcie *desc;
1423 uint32_t max_nr_virtfn;
1424 uint32_t desc_count;
1427 if ((phba->sli_rev < LPFC_SLI_REV4) ||
1428 (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
1429 LPFC_SLI_INTF_IF_TYPE_2))
1432 if (!pdev->is_physfn)
1433 return snprintf(buf, PAGE_SIZE, "%d\n", 0);
1435 mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1439 /* get the maximum number of virtfn support by physfn */
1440 length = (sizeof(struct lpfc_mbx_get_prof_cfg) -
1441 sizeof(struct lpfc_sli4_cfg_mhdr));
1442 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
1443 LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG,
1444 length, LPFC_SLI4_MBX_EMBED);
1445 shdr = (union lpfc_sli4_cfg_shdr *)
1446 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
1447 bf_set(lpfc_mbox_hdr_pf_num, &shdr->request,
1448 phba->sli4_hba.iov.pf_number + 1);
1450 get_prof_cfg = &mboxq->u.mqe.un.get_prof_cfg;
1451 bf_set(lpfc_mbx_get_prof_cfg_prof_tp, &get_prof_cfg->u.request,
1452 LPFC_CFG_TYPE_CURRENT_ACTIVE);
1454 rc = lpfc_sli_issue_mbox_wait(phba, mboxq,
1455 lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG));
1457 if (rc != MBX_TIMEOUT) {
1458 /* check return status */
1459 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
1460 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
1462 if (shdr_status || shdr_add_status || rc)
1468 desc_count = get_prof_cfg->u.response.prof_cfg.rsrc_desc_count;
1470 for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) {
1471 desc = (struct lpfc_rsrc_desc_pcie *)
1472 &get_prof_cfg->u.response.prof_cfg.desc[i];
1473 if (LPFC_RSRC_DESC_TYPE_PCIE ==
1474 bf_get(lpfc_rsrc_desc_pcie_type, desc)) {
1475 max_nr_virtfn = bf_get(lpfc_rsrc_desc_pcie_nr_virtfn,
1481 if (i < LPFC_RSRC_DESC_MAX_NUM) {
1482 if (rc != MBX_TIMEOUT)
1483 mempool_free(mboxq, phba->mbox_mem_pool);
1484 return snprintf(buf, PAGE_SIZE, "%d\n", max_nr_virtfn);
1488 if (rc != MBX_TIMEOUT)
1489 mempool_free(mboxq, phba->mbox_mem_pool);
1494 * lpfc_param_show - Return a cfg attribute value in decimal
1497 * Macro that given an attr e.g. hba_queue_depth expands
1498 * into a function with the name lpfc_hba_queue_depth_show.
1500 * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field.
1501 * @dev: class device that is converted into a Scsi_host.
1502 * @attr: device attribute, not used.
1503 * @buf: on return contains the attribute value in decimal.
1505 * Returns: size of formatted string.
1507 #define lpfc_param_show(attr) \
1509 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1512 struct Scsi_Host *shost = class_to_shost(dev);\
1513 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1514 struct lpfc_hba *phba = vport->phba;\
1516 val = phba->cfg_##attr;\
1517 return snprintf(buf, PAGE_SIZE, "%d\n",\
1522 * lpfc_param_hex_show - Return a cfg attribute value in hex
1525 * Macro that given an attr e.g. hba_queue_depth expands
1526 * into a function with the name lpfc_hba_queue_depth_show
1528 * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field.
1529 * @dev: class device that is converted into a Scsi_host.
1530 * @attr: device attribute, not used.
1531 * @buf: on return contains the attribute value in hexadecimal.
1533 * Returns: size of formatted string.
1535 #define lpfc_param_hex_show(attr) \
1537 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1540 struct Scsi_Host *shost = class_to_shost(dev);\
1541 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1542 struct lpfc_hba *phba = vport->phba;\
1544 val = phba->cfg_##attr;\
1545 return snprintf(buf, PAGE_SIZE, "%#x\n",\
1550 * lpfc_param_init - Initializes a cfg attribute
1553 * Macro that given an attr e.g. hba_queue_depth expands
1554 * into a function with the name lpfc_hba_queue_depth_init. The macro also
1555 * takes a default argument, a minimum and maximum argument.
1557 * lpfc_##attr##_init: Initializes an attribute.
1558 * @phba: pointer the the adapter structure.
1559 * @val: integer attribute value.
1561 * Validates the min and max values then sets the adapter config field
1562 * accordingly, or uses the default if out of range and prints an error message.
1566 * -EINVAL if default used
1568 #define lpfc_param_init(attr, default, minval, maxval) \
1570 lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \
1572 if (val >= minval && val <= maxval) {\
1573 phba->cfg_##attr = val;\
1576 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
1577 "0449 lpfc_"#attr" attribute cannot be set to %d, "\
1578 "allowed range is ["#minval", "#maxval"]\n", val); \
1579 phba->cfg_##attr = default;\
1584 * lpfc_param_set - Set a cfg attribute value
1587 * Macro that given an attr e.g. hba_queue_depth expands
1588 * into a function with the name lpfc_hba_queue_depth_set
1590 * lpfc_##attr##_set: Sets an attribute value.
1591 * @phba: pointer the the adapter structure.
1592 * @val: integer attribute value.
1595 * Validates the min and max values then sets the
1596 * adapter config field if in the valid range. prints error message
1597 * and does not set the parameter if invalid.
1601 * -EINVAL if val is invalid
1603 #define lpfc_param_set(attr, default, minval, maxval) \
1605 lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \
1607 if (val >= minval && val <= maxval) {\
1608 phba->cfg_##attr = val;\
1611 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
1612 "0450 lpfc_"#attr" attribute cannot be set to %d, "\
1613 "allowed range is ["#minval", "#maxval"]\n", val); \
1618 * lpfc_param_store - Set a vport attribute value
1621 * Macro that given an attr e.g. hba_queue_depth expands
1622 * into a function with the name lpfc_hba_queue_depth_store.
1624 * lpfc_##attr##_store: Set an sttribute value.
1625 * @dev: class device that is converted into a Scsi_host.
1626 * @attr: device attribute, not used.
1627 * @buf: contains the attribute value in ascii.
1631 * Convert the ascii text number to an integer, then
1632 * use the lpfc_##attr##_set function to set the value.
1635 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
1636 * length of buffer upon success.
1638 #define lpfc_param_store(attr) \
1640 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
1641 const char *buf, size_t count) \
1643 struct Scsi_Host *shost = class_to_shost(dev);\
1644 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1645 struct lpfc_hba *phba = vport->phba;\
1647 if (!isdigit(buf[0]))\
1649 if (sscanf(buf, "%i", &val) != 1)\
1651 if (lpfc_##attr##_set(phba, val) == 0) \
1652 return strlen(buf);\
1658 * lpfc_vport_param_show - Return decimal formatted cfg attribute value
1661 * Macro that given an attr e.g. hba_queue_depth expands
1662 * into a function with the name lpfc_hba_queue_depth_show
1664 * lpfc_##attr##_show: prints the attribute value in decimal.
1665 * @dev: class device that is converted into a Scsi_host.
1666 * @attr: device attribute, not used.
1667 * @buf: on return contains the attribute value in decimal.
1669 * Returns: length of formatted string.
1671 #define lpfc_vport_param_show(attr) \
1673 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1676 struct Scsi_Host *shost = class_to_shost(dev);\
1677 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1679 val = vport->cfg_##attr;\
1680 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
1684 * lpfc_vport_param_hex_show - Return hex formatted attribute value
1687 * Macro that given an attr e.g.
1688 * hba_queue_depth expands into a function with the name
1689 * lpfc_hba_queue_depth_show
1691 * lpfc_##attr##_show: prints the attribute value in hexadecimal.
1692 * @dev: class device that is converted into a Scsi_host.
1693 * @attr: device attribute, not used.
1694 * @buf: on return contains the attribute value in hexadecimal.
1696 * Returns: length of formatted string.
1698 #define lpfc_vport_param_hex_show(attr) \
1700 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1703 struct Scsi_Host *shost = class_to_shost(dev);\
1704 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1706 val = vport->cfg_##attr;\
1707 return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
1711 * lpfc_vport_param_init - Initialize a vport cfg attribute
1714 * Macro that given an attr e.g. hba_queue_depth expands
1715 * into a function with the name lpfc_hba_queue_depth_init. The macro also
1716 * takes a default argument, a minimum and maximum argument.
1718 * lpfc_##attr##_init: validates the min and max values then sets the
1719 * adapter config field accordingly, or uses the default if out of range
1720 * and prints an error message.
1721 * @phba: pointer the the adapter structure.
1722 * @val: integer attribute value.
1726 * -EINVAL if default used
1728 #define lpfc_vport_param_init(attr, default, minval, maxval) \
1730 lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \
1732 if (val >= minval && val <= maxval) {\
1733 vport->cfg_##attr = val;\
1736 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
1737 "0423 lpfc_"#attr" attribute cannot be set to %d, "\
1738 "allowed range is ["#minval", "#maxval"]\n", val); \
1739 vport->cfg_##attr = default;\
1744 * lpfc_vport_param_set - Set a vport cfg attribute
1747 * Macro that given an attr e.g. hba_queue_depth expands
1748 * into a function with the name lpfc_hba_queue_depth_set
1750 * lpfc_##attr##_set: validates the min and max values then sets the
1751 * adapter config field if in the valid range. prints error message
1752 * and does not set the parameter if invalid.
1753 * @phba: pointer the the adapter structure.
1754 * @val: integer attribute value.
1758 * -EINVAL if val is invalid
1760 #define lpfc_vport_param_set(attr, default, minval, maxval) \
1762 lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \
1764 if (val >= minval && val <= maxval) {\
1765 vport->cfg_##attr = val;\
1768 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
1769 "0424 lpfc_"#attr" attribute cannot be set to %d, "\
1770 "allowed range is ["#minval", "#maxval"]\n", val); \
1775 * lpfc_vport_param_store - Set a vport attribute
1778 * Macro that given an attr e.g. hba_queue_depth
1779 * expands into a function with the name lpfc_hba_queue_depth_store
1781 * lpfc_##attr##_store: convert the ascii text number to an integer, then
1782 * use the lpfc_##attr##_set function to set the value.
1783 * @cdev: class device that is converted into a Scsi_host.
1784 * @buf: contains the attribute value in decimal.
1788 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
1789 * length of buffer upon success.
1791 #define lpfc_vport_param_store(attr) \
1793 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
1794 const char *buf, size_t count) \
1796 struct Scsi_Host *shost = class_to_shost(dev);\
1797 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1799 if (!isdigit(buf[0]))\
1801 if (sscanf(buf, "%i", &val) != 1)\
1803 if (lpfc_##attr##_set(vport, val) == 0) \
1804 return strlen(buf);\
1810 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
1811 static uint lpfc_##name = defval;\
1812 module_param(lpfc_##name, uint, S_IRUGO);\
1813 MODULE_PARM_DESC(lpfc_##name, desc);\
1814 lpfc_param_init(name, defval, minval, maxval)
1816 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
1817 static uint lpfc_##name = defval;\
1818 module_param(lpfc_##name, uint, S_IRUGO);\
1819 MODULE_PARM_DESC(lpfc_##name, desc);\
1820 lpfc_param_show(name)\
1821 lpfc_param_init(name, defval, minval, maxval)\
1822 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1824 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
1825 static uint lpfc_##name = defval;\
1826 module_param(lpfc_##name, uint, S_IRUGO);\
1827 MODULE_PARM_DESC(lpfc_##name, desc);\
1828 lpfc_param_show(name)\
1829 lpfc_param_init(name, defval, minval, maxval)\
1830 lpfc_param_set(name, defval, minval, maxval)\
1831 lpfc_param_store(name)\
1832 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1833 lpfc_##name##_show, lpfc_##name##_store)
1835 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
1836 static uint lpfc_##name = defval;\
1837 module_param(lpfc_##name, uint, S_IRUGO);\
1838 MODULE_PARM_DESC(lpfc_##name, desc);\
1839 lpfc_param_hex_show(name)\
1840 lpfc_param_init(name, defval, minval, maxval)\
1841 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1843 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
1844 static uint lpfc_##name = defval;\
1845 module_param(lpfc_##name, uint, S_IRUGO);\
1846 MODULE_PARM_DESC(lpfc_##name, desc);\
1847 lpfc_param_hex_show(name)\
1848 lpfc_param_init(name, defval, minval, maxval)\
1849 lpfc_param_set(name, defval, minval, maxval)\
1850 lpfc_param_store(name)\
1851 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1852 lpfc_##name##_show, lpfc_##name##_store)
1854 #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \
1855 static uint lpfc_##name = defval;\
1856 module_param(lpfc_##name, uint, S_IRUGO);\
1857 MODULE_PARM_DESC(lpfc_##name, desc);\
1858 lpfc_vport_param_init(name, defval, minval, maxval)
1860 #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \
1861 static uint lpfc_##name = defval;\
1862 module_param(lpfc_##name, uint, S_IRUGO);\
1863 MODULE_PARM_DESC(lpfc_##name, desc);\
1864 lpfc_vport_param_show(name)\
1865 lpfc_vport_param_init(name, defval, minval, maxval)\
1866 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1868 #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \
1869 static uint lpfc_##name = defval;\
1870 module_param(lpfc_##name, uint, S_IRUGO);\
1871 MODULE_PARM_DESC(lpfc_##name, desc);\
1872 lpfc_vport_param_show(name)\
1873 lpfc_vport_param_init(name, defval, minval, maxval)\
1874 lpfc_vport_param_set(name, defval, minval, maxval)\
1875 lpfc_vport_param_store(name)\
1876 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1877 lpfc_##name##_show, lpfc_##name##_store)
1879 #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \
1880 static uint lpfc_##name = defval;\
1881 module_param(lpfc_##name, uint, S_IRUGO);\
1882 MODULE_PARM_DESC(lpfc_##name, desc);\
1883 lpfc_vport_param_hex_show(name)\
1884 lpfc_vport_param_init(name, defval, minval, maxval)\
1885 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1887 #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
1888 static uint lpfc_##name = defval;\
1889 module_param(lpfc_##name, uint, S_IRUGO);\
1890 MODULE_PARM_DESC(lpfc_##name, desc);\
1891 lpfc_vport_param_hex_show(name)\
1892 lpfc_vport_param_init(name, defval, minval, maxval)\
1893 lpfc_vport_param_set(name, defval, minval, maxval)\
1894 lpfc_vport_param_store(name)\
1895 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1896 lpfc_##name##_show, lpfc_##name##_store)
1898 static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL);
1899 static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL);
1900 static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL);
1901 static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL);
1902 static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
1903 static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
1904 static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
1905 static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
1906 static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
1907 static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL);
1908 static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
1909 static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
1910 static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show,
1911 lpfc_link_state_store);
1912 static DEVICE_ATTR(option_rom_version, S_IRUGO,
1913 lpfc_option_rom_version_show, NULL);
1914 static DEVICE_ATTR(num_discovered_ports, S_IRUGO,
1915 lpfc_num_discovered_ports_show, NULL);
1916 static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL);
1917 static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
1918 static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL);
1919 static DEVICE_ATTR(lpfc_enable_fip, S_IRUGO, lpfc_enable_fip_show, NULL);
1920 static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
1921 lpfc_board_mode_show, lpfc_board_mode_store);
1922 static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
1923 static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL);
1924 static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL);
1925 static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL);
1926 static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL);
1927 static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
1928 static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
1929 static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);
1930 static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL);
1931 static DEVICE_ATTR(lpfc_fips_level, S_IRUGO, lpfc_fips_level_show, NULL);
1932 static DEVICE_ATTR(lpfc_fips_rev, S_IRUGO, lpfc_fips_rev_show, NULL);
1933 static DEVICE_ATTR(lpfc_dss, S_IRUGO, lpfc_dss_show, NULL);
1934 static DEVICE_ATTR(lpfc_sriov_hw_max_virtfn, S_IRUGO,
1935 lpfc_sriov_hw_max_virtfn_show, NULL);
1937 static char *lpfc_soft_wwn_key = "C99G71SL8032A";
1940 * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid
1941 * @dev: class device that is converted into a Scsi_host.
1942 * @attr: device attribute, not used.
1943 * @buf: containing the string lpfc_soft_wwn_key.
1944 * @count: must be size of lpfc_soft_wwn_key.
1947 * -EINVAL if the buffer does not contain lpfc_soft_wwn_key
1948 * length of buf indicates success
1951 lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr,
1952 const char *buf, size_t count)
1954 struct Scsi_Host *shost = class_to_shost(dev);
1955 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1956 struct lpfc_hba *phba = vport->phba;
1957 unsigned int cnt = count;
1960 * We're doing a simple sanity check for soft_wwpn setting.
1961 * We require that the user write a specific key to enable
1962 * the soft_wwpn attribute to be settable. Once the attribute
1963 * is written, the enable key resets. If further updates are
1964 * desired, the key must be written again to re-enable the
1967 * The "key" is not secret - it is a hardcoded string shown
1968 * here. The intent is to protect against the random user or
1969 * application that is just writing attributes.
1972 /* count may include a LF at end of string */
1973 if (buf[cnt-1] == '\n')
1976 if ((cnt != strlen(lpfc_soft_wwn_key)) ||
1977 (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0))
1980 phba->soft_wwn_enable = 1;
1983 static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
1984 lpfc_soft_wwn_enable_store);
1987 * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter
1988 * @dev: class device that is converted into a Scsi_host.
1989 * @attr: device attribute, not used.
1990 * @buf: on return contains the wwpn in hexadecimal.
1992 * Returns: size of formatted string.
1995 lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr,
1998 struct Scsi_Host *shost = class_to_shost(dev);
1999 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2000 struct lpfc_hba *phba = vport->phba;
2002 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
2003 (unsigned long long)phba->cfg_soft_wwpn);
2007 * lpfc_soft_wwpn_store - Set the ww port name of the adapter
2008 * @dev class device that is converted into a Scsi_host.
2009 * @attr: device attribute, not used.
2010 * @buf: contains the wwpn in hexadecimal.
2011 * @count: number of wwpn bytes in buf
2014 * -EACCES hba reset not enabled, adapter over temp
2015 * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid
2016 * -EIO error taking adapter offline or online
2017 * value of count on success
2020 lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr,
2021 const char *buf, size_t count)
2023 struct Scsi_Host *shost = class_to_shost(dev);
2024 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2025 struct lpfc_hba *phba = vport->phba;
2026 struct completion online_compl;
2027 int stat1=0, stat2=0;
2028 unsigned int i, j, cnt=count;
2032 if (!phba->cfg_enable_hba_reset)
2034 spin_lock_irq(&phba->hbalock);
2035 if (phba->over_temp_state == HBA_OVER_TEMP) {
2036 spin_unlock_irq(&phba->hbalock);
2039 spin_unlock_irq(&phba->hbalock);
2040 /* count may include a LF at end of string */
2041 if (buf[cnt-1] == '\n')
2044 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
2045 ((cnt == 17) && (*buf++ != 'x')) ||
2046 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
2049 phba->soft_wwn_enable = 0;
2051 memset(wwpn, 0, sizeof(wwpn));
2053 /* Validate and store the new name */
2054 for (i=0, j=0; i < 16; i++) {
2057 value = hex_to_bin(*buf++);
2059 j = (j << 4) | value;
2063 wwpn[i/2] = j & 0xff;
2067 phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
2068 fc_host_port_name(shost) = phba->cfg_soft_wwpn;
2069 if (phba->cfg_soft_wwnn)
2070 fc_host_node_name(shost) = phba->cfg_soft_wwnn;
2072 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
2073 "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
2075 stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
2077 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2078 "0463 lpfc_soft_wwpn attribute set failed to "
2079 "reinit adapter - %d\n", stat1);
2080 init_completion(&online_compl);
2081 rc = lpfc_workq_post_event(phba, &stat2, &online_compl,
2086 wait_for_completion(&online_compl);
2088 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2089 "0464 lpfc_soft_wwpn attribute set failed to "
2090 "reinit adapter - %d\n", stat2);
2091 return (stat1 || stat2) ? -EIO : count;
2093 static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
2094 lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
2097 * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter
2098 * @dev: class device that is converted into a Scsi_host.
2099 * @attr: device attribute, not used.
2100 * @buf: on return contains the wwnn in hexadecimal.
2102 * Returns: size of formatted string.
2105 lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr,
2108 struct Scsi_Host *shost = class_to_shost(dev);
2109 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2110 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
2111 (unsigned long long)phba->cfg_soft_wwnn);
2115 * lpfc_soft_wwnn_store - sets the ww node name of the adapter
2116 * @cdev: class device that is converted into a Scsi_host.
2117 * @buf: contains the ww node name in hexadecimal.
2118 * @count: number of wwnn bytes in buf.
2121 * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid
2122 * value of count on success
2125 lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr,
2126 const char *buf, size_t count)
2128 struct Scsi_Host *shost = class_to_shost(dev);
2129 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2130 unsigned int i, j, cnt=count;
2133 /* count may include a LF at end of string */
2134 if (buf[cnt-1] == '\n')
2137 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
2138 ((cnt == 17) && (*buf++ != 'x')) ||
2139 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
2143 * Allow wwnn to be set many times, as long as the enable is set.
2144 * However, once the wwpn is set, everything locks.
2147 memset(wwnn, 0, sizeof(wwnn));
2149 /* Validate and store the new name */
2150 for (i=0, j=0; i < 16; i++) {
2153 value = hex_to_bin(*buf++);
2155 j = (j << 4) | value;
2159 wwnn[i/2] = j & 0xff;
2163 phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
2165 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
2166 "lpfc%d: soft_wwnn set. Value will take effect upon "
2167 "setting of the soft_wwpn\n", phba->brd_no);
2171 static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\
2172 lpfc_soft_wwnn_show, lpfc_soft_wwnn_store);
2175 static int lpfc_poll = 0;
2176 module_param(lpfc_poll, int, S_IRUGO);
2177 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
2179 " 1 - poll with interrupts enabled"
2180 " 3 - poll and disable FCP ring interrupts");
2182 static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
2183 lpfc_poll_show, lpfc_poll_store);
2185 int lpfc_sli_mode = 0;
2186 module_param(lpfc_sli_mode, int, S_IRUGO);
2187 MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:"
2188 " 0 - auto (SLI-3 if supported),"
2189 " 2 - select SLI-2 even on SLI-3 capable HBAs,"
2190 " 3 - select SLI-3");
2192 int lpfc_enable_npiv = 1;
2193 module_param(lpfc_enable_npiv, int, S_IRUGO);
2194 MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality");
2195 lpfc_param_show(enable_npiv);
2196 lpfc_param_init(enable_npiv, 1, 0, 1);
2197 static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, lpfc_enable_npiv_show, NULL);
2199 int lpfc_enable_rrq;
2200 module_param(lpfc_enable_rrq, int, S_IRUGO);
2201 MODULE_PARM_DESC(lpfc_enable_rrq, "Enable RRQ functionality");
2202 lpfc_param_show(enable_rrq);
2203 lpfc_param_init(enable_rrq, 0, 0, 1);
2204 static DEVICE_ATTR(lpfc_enable_rrq, S_IRUGO, lpfc_enable_rrq_show, NULL);
2207 # lpfc_suppress_link_up: Bring link up at initialization
2208 # 0x0 = bring link up (issue MBX_INIT_LINK)
2209 # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK)
2210 # 0x2 = never bring up link
2211 # Default value is 0.
2213 LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK,
2214 LPFC_DELAY_INIT_LINK_INDEFINITELY,
2215 "Suppress Link Up at initialization");
2217 # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS
2225 lpfc_iocb_hw_show(struct device *dev, struct device_attribute *attr, char *buf)
2227 struct Scsi_Host *shost = class_to_shost(dev);
2228 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
2230 return snprintf(buf, PAGE_SIZE, "%d\n", phba->iocb_max);
2233 static DEVICE_ATTR(iocb_hw, S_IRUGO,
2234 lpfc_iocb_hw_show, NULL);
2236 lpfc_txq_hw_show(struct device *dev, struct device_attribute *attr, char *buf)
2238 struct Scsi_Host *shost = class_to_shost(dev);
2239 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
2241 return snprintf(buf, PAGE_SIZE, "%d\n",
2242 phba->sli.ring[LPFC_ELS_RING].txq_max);
2245 static DEVICE_ATTR(txq_hw, S_IRUGO,
2246 lpfc_txq_hw_show, NULL);
2248 lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr,
2251 struct Scsi_Host *shost = class_to_shost(dev);
2252 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
2254 return snprintf(buf, PAGE_SIZE, "%d\n",
2255 phba->sli.ring[LPFC_ELS_RING].txcmplq_max);
2258 static DEVICE_ATTR(txcmplq_hw, S_IRUGO,
2259 lpfc_txcmplq_hw_show, NULL);
2261 int lpfc_iocb_cnt = 2;
2262 module_param(lpfc_iocb_cnt, int, S_IRUGO);
2263 MODULE_PARM_DESC(lpfc_iocb_cnt,
2264 "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs");
2265 lpfc_param_show(iocb_cnt);
2266 lpfc_param_init(iocb_cnt, 2, 1, 5);
2267 static DEVICE_ATTR(lpfc_iocb_cnt, S_IRUGO,
2268 lpfc_iocb_cnt_show, NULL);
2271 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
2272 # until the timer expires. Value range is [0,255]. Default value is 30.
2274 static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
2275 static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
2276 module_param(lpfc_nodev_tmo, int, 0);
2277 MODULE_PARM_DESC(lpfc_nodev_tmo,
2278 "Seconds driver will hold I/O waiting "
2279 "for a device to come back");
2282 * lpfc_nodev_tmo_show - Return the hba dev loss timeout value
2283 * @dev: class converted to a Scsi_host structure.
2284 * @attr: device attribute, not used.
2285 * @buf: on return contains the dev loss timeout in decimal.
2287 * Returns: size of formatted string.
2290 lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr,
2293 struct Scsi_Host *shost = class_to_shost(dev);
2294 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2296 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo);
2300 * lpfc_nodev_tmo_init - Set the hba nodev timeout value
2301 * @vport: lpfc vport structure pointer.
2302 * @val: contains the nodev timeout value.
2305 * If the devloss tmo is already set then nodev tmo is set to devloss tmo,
2306 * a kernel error message is printed and zero is returned.
2307 * Else if val is in range then nodev tmo and devloss tmo are set to val.
2308 * Otherwise nodev tmo is set to the default value.
2311 * zero if already set or if val is in range
2312 * -EINVAL val out of range
2315 lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val)
2317 if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) {
2318 vport->cfg_nodev_tmo = vport->cfg_devloss_tmo;
2319 if (val != LPFC_DEF_DEVLOSS_TMO)
2320 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2321 "0407 Ignoring nodev_tmo module "
2322 "parameter because devloss_tmo is "
2327 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
2328 vport->cfg_nodev_tmo = val;
2329 vport->cfg_devloss_tmo = val;
2332 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2333 "0400 lpfc_nodev_tmo attribute cannot be set to"
2334 " %d, allowed range is [%d, %d]\n",
2335 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
2336 vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
2341 * lpfc_update_rport_devloss_tmo - Update dev loss tmo value
2342 * @vport: lpfc vport structure pointer.
2345 * Update all the ndlp's dev loss tmo with the vport devloss tmo value.
2348 lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
2350 struct Scsi_Host *shost;
2351 struct lpfc_nodelist *ndlp;
2353 shost = lpfc_shost_from_vport(vport);
2354 spin_lock_irq(shost->host_lock);
2355 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp)
2356 if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport)
2357 ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo;
2358 spin_unlock_irq(shost->host_lock);
2362 * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values
2363 * @vport: lpfc vport structure pointer.
2364 * @val: contains the tmo value.
2367 * If the devloss tmo is already set or the vport dev loss tmo has changed
2368 * then a kernel error message is printed and zero is returned.
2369 * Else if val is in range then nodev tmo and devloss tmo are set to val.
2370 * Otherwise nodev tmo is set to the default value.
2373 * zero if already set or if val is in range
2374 * -EINVAL val out of range
2377 lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val)
2379 if (vport->dev_loss_tmo_changed ||
2380 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
2381 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2382 "0401 Ignoring change to nodev_tmo "
2383 "because devloss_tmo is set.\n");
2386 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
2387 vport->cfg_nodev_tmo = val;
2388 vport->cfg_devloss_tmo = val;
2390 * For compat: set the fc_host dev loss so new rports
2391 * will get the value.
2393 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val;
2394 lpfc_update_rport_devloss_tmo(vport);
2397 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2398 "0403 lpfc_nodev_tmo attribute cannot be set to"
2399 "%d, allowed range is [%d, %d]\n",
2400 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
2404 lpfc_vport_param_store(nodev_tmo)
2406 static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
2407 lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
2410 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
2411 # disappear until the timer expires. Value range is [0,255]. Default
2414 module_param(lpfc_devloss_tmo, int, S_IRUGO);
2415 MODULE_PARM_DESC(lpfc_devloss_tmo,
2416 "Seconds driver will hold I/O waiting "
2417 "for a device to come back");
2418 lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
2419 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
2420 lpfc_vport_param_show(devloss_tmo)
2423 * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit
2424 * @vport: lpfc vport structure pointer.
2425 * @val: contains the tmo value.
2428 * If val is in a valid range then set the vport nodev tmo,
2429 * devloss tmo, also set the vport dev loss tmo changed flag.
2430 * Else a kernel error message is printed.
2433 * zero if val is in range
2434 * -EINVAL val out of range
2437 lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val)
2439 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
2440 vport->cfg_nodev_tmo = val;
2441 vport->cfg_devloss_tmo = val;
2442 vport->dev_loss_tmo_changed = 1;
2443 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val;
2444 lpfc_update_rport_devloss_tmo(vport);
2448 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2449 "0404 lpfc_devloss_tmo attribute cannot be set to"
2450 " %d, allowed range is [%d, %d]\n",
2451 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
2455 lpfc_vport_param_store(devloss_tmo)
2456 static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
2457 lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
2460 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
2461 # deluged with LOTS of information.
2462 # You can set a bit mask to record specific types of verbose messages:
2463 # See lpfc_logmsh.h for definitions.
2465 LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff,
2466 "Verbose logging bit-mask");
2469 # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters
2470 # objects that have been registered with the nameserver after login.
2472 LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1,
2473 "Deregister nameserver objects before LOGO");
2476 # lun_queue_depth: This parameter is used to limit the number of outstanding
2477 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
2479 LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128,
2480 "Max number of FCP commands we can queue to a specific LUN");
2483 # tgt_queue_depth: This parameter is used to limit the number of outstanding
2484 # commands per target port. Value range is [10,65535]. Default value is 65535.
2486 LPFC_VPORT_ATTR_R(tgt_queue_depth, 65535, 10, 65535,
2487 "Max number of FCP commands we can queue to a specific target port");
2490 # hba_queue_depth: This parameter is used to limit the number of outstanding
2491 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
2492 # value is greater than the maximum number of exchanges supported by the HBA,
2493 # then maximum number of exchanges supported by the HBA is used to determine
2494 # the hba_queue_depth.
2496 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
2497 "Max number of FCP commands we can queue to a lpfc HBA");
2500 # peer_port_login: This parameter allows/prevents logins
2501 # between peer ports hosted on the same physical port.
2502 # When this parameter is set 0 peer ports of same physical port
2503 # are not allowed to login to each other.
2504 # When this parameter is set 1 peer ports of same physical port
2505 # are allowed to login to each other.
2506 # Default value of this parameter is 0.
2508 LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1,
2509 "Allow peer ports on the same physical port to login to each "
2513 # restrict_login: This parameter allows/prevents logins
2514 # between Virtual Ports and remote initiators.
2515 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
2516 # other initiators and will attempt to PLOGI all remote ports.
2517 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
2518 # remote ports and will not attempt to PLOGI to other initiators.
2519 # This parameter does not restrict to the physical port.
2520 # This parameter does not restrict logins to Fabric resident remote ports.
2521 # Default value of this parameter is 1.
2523 static int lpfc_restrict_login = 1;
2524 module_param(lpfc_restrict_login, int, S_IRUGO);
2525 MODULE_PARM_DESC(lpfc_restrict_login,
2526 "Restrict virtual ports login to remote initiators.");
2527 lpfc_vport_param_show(restrict_login);
2530 * lpfc_restrict_login_init - Set the vport restrict login flag
2531 * @vport: lpfc vport structure pointer.
2532 * @val: contains the restrict login value.
2535 * If val is not in a valid range then log a kernel error message and set
2536 * the vport restrict login to one.
2537 * If the port type is physical clear the restrict login flag and return.
2538 * Else set the restrict login flag to val.
2541 * zero if val is in range
2542 * -EINVAL val out of range
2545 lpfc_restrict_login_init(struct lpfc_vport *vport, int val)
2547 if (val < 0 || val > 1) {
2548 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2549 "0422 lpfc_restrict_login attribute cannot "
2550 "be set to %d, allowed range is [0, 1]\n",
2552 vport->cfg_restrict_login = 1;
2555 if (vport->port_type == LPFC_PHYSICAL_PORT) {
2556 vport->cfg_restrict_login = 0;
2559 vport->cfg_restrict_login = val;
2564 * lpfc_restrict_login_set - Set the vport restrict login flag
2565 * @vport: lpfc vport structure pointer.
2566 * @val: contains the restrict login value.
2569 * If val is not in a valid range then log a kernel error message and set
2570 * the vport restrict login to one.
2571 * If the port type is physical and the val is not zero log a kernel
2572 * error message, clear the restrict login flag and return zero.
2573 * Else set the restrict login flag to val.
2576 * zero if val is in range
2577 * -EINVAL val out of range
2580 lpfc_restrict_login_set(struct lpfc_vport *vport, int val)
2582 if (val < 0 || val > 1) {
2583 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2584 "0425 lpfc_restrict_login attribute cannot "
2585 "be set to %d, allowed range is [0, 1]\n",
2587 vport->cfg_restrict_login = 1;
2590 if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) {
2591 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2592 "0468 lpfc_restrict_login must be 0 for "
2593 "Physical ports.\n");
2594 vport->cfg_restrict_login = 0;
2597 vport->cfg_restrict_login = val;
2600 lpfc_vport_param_store(restrict_login);
2601 static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR,
2602 lpfc_restrict_login_show, lpfc_restrict_login_store);
2605 # Some disk devices have a "select ID" or "select Target" capability.
2606 # From a protocol standpoint "select ID" usually means select the
2607 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
2608 # annex" which contains a table that maps a "select ID" (a number
2609 # between 0 and 7F) to an ALPA. By default, for compatibility with
2610 # older drivers, the lpfc driver scans this table from low ALPA to high
2613 # Turning on the scan-down variable (on = 1, off = 0) will
2614 # cause the lpfc driver to use an inverted table, effectively
2615 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
2617 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
2618 # and will not work across a fabric. Also this parameter will take
2619 # effect only in the case when ALPA map is not available.)
2621 LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1,
2622 "Start scanning for devices from highest ALPA to lowest");
2625 # lpfc_topology: link topology for init link
2626 # 0x0 = attempt loop mode then point-to-point
2627 # 0x01 = internal loopback mode
2628 # 0x02 = attempt point-to-point mode only
2629 # 0x04 = attempt loop mode only
2630 # 0x06 = attempt point-to-point mode then loop
2631 # Set point-to-point mode if you want to run as an N_Port.
2632 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
2633 # Default value is 0.
2637 * lpfc_topology_set - Set the adapters topology field
2638 * @phba: lpfc_hba pointer.
2639 * @val: topology value.
2642 * If val is in a valid range then set the adapter's topology field and
2643 * issue a lip; if the lip fails reset the topology to the old value.
2645 * If the value is not in range log a kernel error message and return an error.
2648 * zero if val is in range and lip okay
2649 * non-zero return value from lpfc_issue_lip()
2650 * -EINVAL val out of range
2653 lpfc_topology_store(struct device *dev, struct device_attribute *attr,
2654 const char *buf, size_t count)
2656 struct Scsi_Host *shost = class_to_shost(dev);
2657 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2658 struct lpfc_hba *phba = vport->phba;
2661 const char *val_buf = buf;
2665 if (!strncmp(buf, "nolip ", strlen("nolip "))) {
2667 val_buf = &buf[strlen("nolip ")];
2670 if (!isdigit(val_buf[0]))
2672 if (sscanf(val_buf, "%i", &val) != 1)
2675 if (val >= 0 && val <= 6) {
2676 prev_val = phba->cfg_topology;
2677 phba->cfg_topology = val;
2681 err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport));
2683 phba->cfg_topology = prev_val;
2688 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2689 "%d:0467 lpfc_topology attribute cannot be set to %d, "
2690 "allowed range is [0, 6]\n",
2694 static int lpfc_topology = 0;
2695 module_param(lpfc_topology, int, S_IRUGO);
2696 MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology");
2697 lpfc_param_show(topology)
2698 lpfc_param_init(topology, 0, 0, 6)
2699 static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR,
2700 lpfc_topology_show, lpfc_topology_store);
2703 * lpfc_static_vport_show: Read callback function for
2704 * lpfc_static_vport sysfs file.
2705 * @dev: Pointer to class device object.
2706 * @attr: device attribute structure.
2707 * @buf: Data buffer.
2709 * This function is the read call back function for
2710 * lpfc_static_vport sysfs file. The lpfc_static_vport
2711 * sysfs file report the mageability of the vport.
2714 lpfc_static_vport_show(struct device *dev, struct device_attribute *attr,
2717 struct Scsi_Host *shost = class_to_shost(dev);
2718 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2719 if (vport->vport_flag & STATIC_VPORT)
2720 sprintf(buf, "1\n");
2722 sprintf(buf, "0\n");
2728 * Sysfs attribute to control the statistical data collection.
2730 static DEVICE_ATTR(lpfc_static_vport, S_IRUGO,
2731 lpfc_static_vport_show, NULL);
2734 * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file
2735 * @dev: Pointer to class device.
2736 * @buf: Data buffer.
2737 * @count: Size of the data buffer.
2739 * This function get called when an user write to the lpfc_stat_data_ctrl
2740 * sysfs file. This function parse the command written to the sysfs file
2741 * and take appropriate action. These commands are used for controlling
2742 * driver statistical data collection.
2743 * Following are the command this function handles.
2745 * setbucket <bucket_type> <base> <step>
2746 * = Set the latency buckets.
2747 * destroybucket = destroy all the buckets.
2748 * start = start data collection
2749 * stop = stop data collection
2750 * reset = reset the collected data
2753 lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr,
2754 const char *buf, size_t count)
2756 struct Scsi_Host *shost = class_to_shost(dev);
2757 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2758 struct lpfc_hba *phba = vport->phba;
2759 #define LPFC_MAX_DATA_CTRL_LEN 1024
2760 static char bucket_data[LPFC_MAX_DATA_CTRL_LEN];
2762 char *str_ptr, *token;
2763 struct lpfc_vport **vports;
2764 struct Scsi_Host *v_shost;
2765 char *bucket_type_str, *base_str, *step_str;
2766 unsigned long base, step, bucket_type;
2768 if (!strncmp(buf, "setbucket", strlen("setbucket"))) {
2769 if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1))
2772 strcpy(bucket_data, buf);
2773 str_ptr = &bucket_data[0];
2774 /* Ignore this token - this is command token */
2775 token = strsep(&str_ptr, "\t ");
2779 bucket_type_str = strsep(&str_ptr, "\t ");
2780 if (!bucket_type_str)
2783 if (!strncmp(bucket_type_str, "linear", strlen("linear")))
2784 bucket_type = LPFC_LINEAR_BUCKET;
2785 else if (!strncmp(bucket_type_str, "power2", strlen("power2")))
2786 bucket_type = LPFC_POWER2_BUCKET;
2790 base_str = strsep(&str_ptr, "\t ");
2793 base = simple_strtoul(base_str, NULL, 0);
2795 step_str = strsep(&str_ptr, "\t ");
2798 step = simple_strtoul(step_str, NULL, 0);
2802 /* Block the data collection for every vport */
2803 vports = lpfc_create_vport_work_array(phba);
2807 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2808 v_shost = lpfc_shost_from_vport(vports[i]);
2809 spin_lock_irq(v_shost->host_lock);
2810 /* Block and reset data collection */
2811 vports[i]->stat_data_blocked = 1;
2812 if (vports[i]->stat_data_enabled)
2813 lpfc_vport_reset_stat_data(vports[i]);
2814 spin_unlock_irq(v_shost->host_lock);
2817 /* Set the bucket attributes */
2818 phba->bucket_type = bucket_type;
2819 phba->bucket_base = base;
2820 phba->bucket_step = step;
2822 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2823 v_shost = lpfc_shost_from_vport(vports[i]);
2825 /* Unblock data collection */
2826 spin_lock_irq(v_shost->host_lock);
2827 vports[i]->stat_data_blocked = 0;
2828 spin_unlock_irq(v_shost->host_lock);
2830 lpfc_destroy_vport_work_array(phba, vports);
2834 if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) {
2835 vports = lpfc_create_vport_work_array(phba);
2839 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2840 v_shost = lpfc_shost_from_vport(vports[i]);
2841 spin_lock_irq(shost->host_lock);
2842 vports[i]->stat_data_blocked = 1;
2843 lpfc_free_bucket(vport);
2844 vport->stat_data_enabled = 0;
2845 vports[i]->stat_data_blocked = 0;
2846 spin_unlock_irq(shost->host_lock);
2848 lpfc_destroy_vport_work_array(phba, vports);
2849 phba->bucket_type = LPFC_NO_BUCKET;
2850 phba->bucket_base = 0;
2851 phba->bucket_step = 0;
2855 if (!strncmp(buf, "start", strlen("start"))) {
2856 /* If no buckets configured return error */
2857 if (phba->bucket_type == LPFC_NO_BUCKET)
2859 spin_lock_irq(shost->host_lock);
2860 if (vport->stat_data_enabled) {
2861 spin_unlock_irq(shost->host_lock);
2864 lpfc_alloc_bucket(vport);
2865 vport->stat_data_enabled = 1;
2866 spin_unlock_irq(shost->host_lock);
2870 if (!strncmp(buf, "stop", strlen("stop"))) {
2871 spin_lock_irq(shost->host_lock);
2872 if (vport->stat_data_enabled == 0) {
2873 spin_unlock_irq(shost->host_lock);
2876 lpfc_free_bucket(vport);
2877 vport->stat_data_enabled = 0;
2878 spin_unlock_irq(shost->host_lock);
2882 if (!strncmp(buf, "reset", strlen("reset"))) {
2883 if ((phba->bucket_type == LPFC_NO_BUCKET)
2884 || !vport->stat_data_enabled)
2886 spin_lock_irq(shost->host_lock);
2887 vport->stat_data_blocked = 1;
2888 lpfc_vport_reset_stat_data(vport);
2889 vport->stat_data_blocked = 0;
2890 spin_unlock_irq(shost->host_lock);
2898 * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file
2899 * @dev: Pointer to class device object.
2900 * @buf: Data buffer.
2902 * This function is the read call back function for
2903 * lpfc_stat_data_ctrl sysfs file. This function report the
2904 * current statistical data collection state.
2907 lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr,
2910 struct Scsi_Host *shost = class_to_shost(dev);
2911 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2912 struct lpfc_hba *phba = vport->phba;
2916 unsigned long bucket_value;
2918 switch (phba->bucket_type) {
2919 case LPFC_LINEAR_BUCKET:
2920 bucket_type = "linear";
2922 case LPFC_POWER2_BUCKET:
2923 bucket_type = "power2";
2926 bucket_type = "No Bucket";
2930 sprintf(&buf[index], "Statistical Data enabled :%d, "
2931 "blocked :%d, Bucket type :%s, Bucket base :%d,"
2932 " Bucket step :%d\nLatency Ranges :",
2933 vport->stat_data_enabled, vport->stat_data_blocked,
2934 bucket_type, phba->bucket_base, phba->bucket_step);
2935 index = strlen(buf);
2936 if (phba->bucket_type != LPFC_NO_BUCKET) {
2937 for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) {
2938 if (phba->bucket_type == LPFC_LINEAR_BUCKET)
2939 bucket_value = phba->bucket_base +
2940 phba->bucket_step * i;
2942 bucket_value = phba->bucket_base +
2943 (1 << i) * phba->bucket_step;
2945 if (index + 10 > PAGE_SIZE)
2947 sprintf(&buf[index], "%08ld ", bucket_value);
2948 index = strlen(buf);
2951 sprintf(&buf[index], "\n");
2956 * Sysfs attribute to control the statistical data collection.
2958 static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR,
2959 lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store);
2962 * lpfc_drvr_stat_data: sysfs attr to get driver statistical data.
2966 * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN
2969 #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18)
2970 #define MAX_STAT_DATA_SIZE_PER_TARGET \
2971 STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT)
2975 * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute
2977 * @kobj: Pointer to the kernel object
2978 * @bin_attr: Attribute object
2979 * @buff: Buffer pointer
2981 * @count: Buffer size
2983 * This function is the read call back function for lpfc_drvr_stat_data
2984 * sysfs file. This function export the statistical data to user
2988 sysfs_drvr_stat_data_read(struct file *filp, struct kobject *kobj,
2989 struct bin_attribute *bin_attr,
2990 char *buf, loff_t off, size_t count)
2992 struct device *dev = container_of(kobj, struct device,
2994 struct Scsi_Host *shost = class_to_shost(dev);
2995 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2996 struct lpfc_hba *phba = vport->phba;
2997 int i = 0, index = 0;
2998 unsigned long nport_index;
2999 struct lpfc_nodelist *ndlp = NULL;
3000 nport_index = (unsigned long)off /
3001 MAX_STAT_DATA_SIZE_PER_TARGET;
3003 if (!vport->stat_data_enabled || vport->stat_data_blocked
3004 || (phba->bucket_type == LPFC_NO_BUCKET))
3007 spin_lock_irq(shost->host_lock);
3008 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
3009 if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data)
3012 if (nport_index > 0) {
3017 if ((index + MAX_STAT_DATA_SIZE_PER_TARGET)
3021 if (!ndlp->lat_data)
3025 sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:",
3026 ndlp->nlp_portname.u.wwn[0],
3027 ndlp->nlp_portname.u.wwn[1],
3028 ndlp->nlp_portname.u.wwn[2],
3029 ndlp->nlp_portname.u.wwn[3],
3030 ndlp->nlp_portname.u.wwn[4],
3031 ndlp->nlp_portname.u.wwn[5],
3032 ndlp->nlp_portname.u.wwn[6],
3033 ndlp->nlp_portname.u.wwn[7]);
3035 index = strlen(buf);
3037 for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) {
3038 sprintf(&buf[index], "%010u,",
3039 ndlp->lat_data[i].cmd_count);
3040 index = strlen(buf);
3042 sprintf(&buf[index], "\n");
3043 index = strlen(buf);
3045 spin_unlock_irq(shost->host_lock);
3049 static struct bin_attribute sysfs_drvr_stat_data_attr = {
3051 .name = "lpfc_drvr_stat_data",
3054 .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET,
3055 .read = sysfs_drvr_stat_data_read,
3060 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
3062 # Value range is [0,16]. Default value is 0.
3065 * lpfc_link_speed_set - Set the adapters link speed
3066 * @phba: lpfc_hba pointer.
3067 * @val: link speed value.
3070 * If val is in a valid range then set the adapter's link speed field and
3071 * issue a lip; if the lip fails reset the link speed to the old value.
3074 * If the value is not in range log a kernel error message and return an error.
3077 * zero if val is in range and lip okay.
3078 * non-zero return value from lpfc_issue_lip()
3079 * -EINVAL val out of range
3082 lpfc_link_speed_store(struct device *dev, struct device_attribute *attr,
3083 const char *buf, size_t count)
3085 struct Scsi_Host *shost = class_to_shost(dev);
3086 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3087 struct lpfc_hba *phba = vport->phba;
3088 int val = LPFC_USER_LINK_SPEED_AUTO;
3090 const char *val_buf = buf;
3094 if (!strncmp(buf, "nolip ", strlen("nolip "))) {
3096 val_buf = &buf[strlen("nolip ")];
3099 if (!isdigit(val_buf[0]))
3101 if (sscanf(val_buf, "%i", &val) != 1)
3104 if (((val == LPFC_USER_LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) ||
3105 ((val == LPFC_USER_LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) ||
3106 ((val == LPFC_USER_LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) ||
3107 ((val == LPFC_USER_LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) ||
3108 ((val == LPFC_USER_LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb)) ||
3109 ((val == LPFC_USER_LINK_SPEED_16G) && !(phba->lmt & LMT_16Gb))) {
3110 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3111 "2879 lpfc_link_speed attribute cannot be set "
3112 "to %d. Speed is not supported by this port.\n",
3116 if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) &&
3117 (LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) {
3118 prev_val = phba->cfg_link_speed;
3119 phba->cfg_link_speed = val;
3123 err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport));
3125 phba->cfg_link_speed = prev_val;
3130 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3131 "0469 lpfc_link_speed attribute cannot be set to %d, "
3132 "allowed values are ["LPFC_LINK_SPEED_STRING"]\n", val);
3136 static int lpfc_link_speed = 0;
3137 module_param(lpfc_link_speed, int, S_IRUGO);
3138 MODULE_PARM_DESC(lpfc_link_speed, "Select link speed");
3139 lpfc_param_show(link_speed)
3142 * lpfc_link_speed_init - Set the adapters link speed
3143 * @phba: lpfc_hba pointer.
3144 * @val: link speed value.
3147 * If val is in a valid range then set the adapter's link speed field.
3150 * If the value is not in range log a kernel error message, clear the link
3151 * speed and return an error.
3154 * zero if val saved.
3155 * -EINVAL val out of range
3158 lpfc_link_speed_init(struct lpfc_hba *phba, int val)
3160 if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) &&
3161 (LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) {
3162 phba->cfg_link_speed = val;
3165 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3166 "0405 lpfc_link_speed attribute cannot "
3167 "be set to %d, allowed values are "
3168 "["LPFC_LINK_SPEED_STRING"]\n", val);
3169 phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO;
3173 static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR,
3174 lpfc_link_speed_show, lpfc_link_speed_store);
3177 # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER)
3178 # 0 = aer disabled or not supported
3179 # 1 = aer supported and enabled (default)
3180 # Value range is [0,1]. Default value is 1.
3184 * lpfc_aer_support_store - Set the adapter for aer support
3186 * @dev: class device that is converted into a Scsi_host.
3187 * @attr: device attribute, not used.
3188 * @buf: containing enable or disable aer flag.
3189 * @count: unused variable.
3192 * If the val is 1 and currently the device's AER capability was not
3193 * enabled, invoke the kernel's enable AER helper routine, trying to
3194 * enable the device's AER capability. If the helper routine enabling
3195 * AER returns success, update the device's cfg_aer_support flag to
3196 * indicate AER is supported by the device; otherwise, if the device
3197 * AER capability is already enabled to support AER, then do nothing.
3199 * If the val is 0 and currently the device's AER support was enabled,
3200 * invoke the kernel's disable AER helper routine. After that, update
3201 * the device's cfg_aer_support flag to indicate AER is not supported
3202 * by the device; otherwise, if the device AER capability is already
3203 * disabled from supporting AER, then do nothing.
3206 * length of the buf on success if val is in range the intended mode
3208 * -EINVAL if val out of range or intended mode is not supported.
3211 lpfc_aer_support_store(struct device *dev, struct device_attribute *attr,
3212 const char *buf, size_t count)
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 int val = 0, rc = -EINVAL;
3219 if (!isdigit(buf[0]))
3221 if (sscanf(buf, "%i", &val) != 1)
3226 if (phba->hba_flag & HBA_AER_ENABLED) {
3227 rc = pci_disable_pcie_error_reporting(phba->pcidev);
3229 spin_lock_irq(&phba->hbalock);
3230 phba->hba_flag &= ~HBA_AER_ENABLED;
3231 spin_unlock_irq(&phba->hbalock);
3232 phba->cfg_aer_support = 0;
3237 phba->cfg_aer_support = 0;
3242 if (!(phba->hba_flag & HBA_AER_ENABLED)) {
3243 rc = pci_enable_pcie_error_reporting(phba->pcidev);
3245 spin_lock_irq(&phba->hbalock);
3246 phba->hba_flag |= HBA_AER_ENABLED;
3247 spin_unlock_irq(&phba->hbalock);
3248 phba->cfg_aer_support = 1;
3253 phba->cfg_aer_support = 1;
3264 static int lpfc_aer_support = 1;
3265 module_param(lpfc_aer_support, int, S_IRUGO);
3266 MODULE_PARM_DESC(lpfc_aer_support, "Enable PCIe device AER support");
3267 lpfc_param_show(aer_support)
3270 * lpfc_aer_support_init - Set the initial adapters aer support flag
3271 * @phba: lpfc_hba pointer.
3272 * @val: enable aer or disable aer flag.
3275 * If val is in a valid range [0,1], then set the adapter's initial
3276 * cfg_aer_support field. It will be up to the driver's probe_one
3277 * routine to determine whether the device's AER support can be set
3281 * If the value is not in range log a kernel error message, and
3282 * choose the default value of setting AER support and return.
3285 * zero if val saved.
3286 * -EINVAL val out of range
3289 lpfc_aer_support_init(struct lpfc_hba *phba, int val)
3291 if (val == 0 || val == 1) {
3292 phba->cfg_aer_support = val;
3295 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3296 "2712 lpfc_aer_support attribute value %d out "
3297 "of range, allowed values are 0|1, setting it "
3298 "to default value of 1\n", val);
3299 /* By default, try to enable AER on a device */
3300 phba->cfg_aer_support = 1;
3304 static DEVICE_ATTR(lpfc_aer_support, S_IRUGO | S_IWUSR,
3305 lpfc_aer_support_show, lpfc_aer_support_store);
3308 * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device
3309 * @dev: class device that is converted into a Scsi_host.
3310 * @attr: device attribute, not used.
3311 * @buf: containing flag 1 for aer cleanup state.
3312 * @count: unused variable.
3315 * If the @buf contains 1 and the device currently has the AER support
3316 * enabled, then invokes the kernel AER helper routine
3317 * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable
3318 * error status register.
3323 * -EINVAL if the buf does not contain the 1 or the device is not currently
3324 * enabled with the AER support.
3327 lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr,
3328 const char *buf, size_t count)
3330 struct Scsi_Host *shost = class_to_shost(dev);
3331 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3332 struct lpfc_hba *phba = vport->phba;
3335 if (!isdigit(buf[0]))
3337 if (sscanf(buf, "%i", &val) != 1)
3342 if (phba->hba_flag & HBA_AER_ENABLED)
3343 rc = pci_cleanup_aer_uncorrect_error_status(phba->pcidev);
3351 static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL,
3352 lpfc_aer_cleanup_state);
3355 * lpfc_sriov_nr_virtfn_store - Enable the adapter for sr-iov virtual functions
3357 * @dev: class device that is converted into a Scsi_host.
3358 * @attr: device attribute, not used.
3359 * @buf: containing the string the number of vfs to be enabled.
3360 * @count: unused variable.
3363 * When this api is called either through user sysfs, the driver shall
3364 * try to enable or disable SR-IOV virtual functions according to the
3367 * If zero virtual function has been enabled to the physical function,
3368 * the driver shall invoke the pci enable virtual function api trying
3369 * to enable the virtual functions. If the nr_vfn provided is greater
3370 * than the maximum supported, the maximum virtual function number will
3371 * be used for invoking the api; otherwise, the nr_vfn provided shall
3372 * be used for invoking the api. If the api call returned success, the
3373 * actual number of virtual functions enabled will be set to the driver
3374 * cfg_sriov_nr_virtfn; otherwise, -EINVAL shall be returned and driver
3375 * cfg_sriov_nr_virtfn remains zero.
3377 * If none-zero virtual functions have already been enabled to the
3378 * physical function, as reflected by the driver's cfg_sriov_nr_virtfn,
3379 * -EINVAL will be returned and the driver does nothing;
3381 * If the nr_vfn provided is zero and none-zero virtual functions have
3382 * been enabled, as indicated by the driver's cfg_sriov_nr_virtfn, the
3383 * disabling virtual function api shall be invoded to disable all the
3384 * virtual functions and driver's cfg_sriov_nr_virtfn shall be set to
3385 * zero. Otherwise, if zero virtual function has been enabled, do
3389 * length of the buf on success if val is in range the intended mode
3391 * -EINVAL if val out of range or intended mode is not supported.
3394 lpfc_sriov_nr_virtfn_store(struct device *dev, struct device_attribute *attr,
3395 const char *buf, size_t count)
3397 struct Scsi_Host *shost = class_to_shost(dev);
3398 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
3399 struct lpfc_hba *phba = vport->phba;
3400 struct pci_dev *pdev = phba->pcidev;
3401 int val = 0, rc = -EINVAL;
3403 /* Sanity check on user data */
3404 if (!isdigit(buf[0]))
3406 if (sscanf(buf, "%i", &val) != 1)
3411 /* Request disabling virtual functions */
3413 if (phba->cfg_sriov_nr_virtfn > 0) {
3414 pci_disable_sriov(pdev);
3415 phba->cfg_sriov_nr_virtfn = 0;
3420 /* Request enabling virtual functions */
3421 if (phba->cfg_sriov_nr_virtfn > 0) {
3422 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3423 "3018 There are %d virtual functions "
3424 "enabled on physical function.\n",
3425 phba->cfg_sriov_nr_virtfn);
3429 if (val <= LPFC_MAX_VFN_PER_PFN)
3430 phba->cfg_sriov_nr_virtfn = val;
3432 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3433 "3019 Enabling %d virtual functions is not "
3438 rc = lpfc_sli_probe_sriov_nr_virtfn(phba, phba->cfg_sriov_nr_virtfn);
3440 phba->cfg_sriov_nr_virtfn = 0;
3448 static int lpfc_sriov_nr_virtfn = LPFC_DEF_VFN_PER_PFN;
3449 module_param(lpfc_sriov_nr_virtfn, int, S_IRUGO|S_IWUSR);
3450 MODULE_PARM_DESC(lpfc_sriov_nr_virtfn, "Enable PCIe device SR-IOV virtual fn");
3451 lpfc_param_show(sriov_nr_virtfn)
3454 * lpfc_sriov_nr_virtfn_init - Set the initial sr-iov virtual function enable
3455 * @phba: lpfc_hba pointer.
3456 * @val: link speed value.
3459 * If val is in a valid range [0,255], then set the adapter's initial
3460 * cfg_sriov_nr_virtfn field. If it's greater than the maximum, the maximum
3461 * number shall be used instead. It will be up to the driver's probe_one
3462 * routine to determine whether the device's SR-IOV is supported or not.
3465 * zero if val saved.
3466 * -EINVAL val out of range
3469 lpfc_sriov_nr_virtfn_init(struct lpfc_hba *phba, int val)
3471 if (val >= 0 && val <= LPFC_MAX_VFN_PER_PFN) {
3472 phba->cfg_sriov_nr_virtfn = val;
3476 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3477 "3017 Enabling %d virtual functions is not "
3481 static DEVICE_ATTR(lpfc_sriov_nr_virtfn, S_IRUGO | S_IWUSR,
3482 lpfc_sriov_nr_virtfn_show, lpfc_sriov_nr_virtfn_store);
3485 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
3486 # Value range is [2,3]. Default value is 3.
3488 LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3,
3489 "Select Fibre Channel class of service for FCP sequences");
3492 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
3493 # is [0,1]. Default value is 0.
3495 LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1,
3496 "Use ADISC on rediscovery to authenticate FCP devices");
3499 # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue
3500 # depth. Default value is 0. When the value of this parameter is zero the
3501 # SCSI command completion time is not used for controlling I/O queue depth. When
3502 # the parameter is set to a non-zero value, the I/O queue depth is controlled
3503 # to limit the I/O completion time to the parameter value.
3504 # The value is set in milliseconds.
3506 static int lpfc_max_scsicmpl_time;
3507 module_param(lpfc_max_scsicmpl_time, int, S_IRUGO);
3508 MODULE_PARM_DESC(lpfc_max_scsicmpl_time,
3509 "Use command completion time to control queue depth");
3510 lpfc_vport_param_show(max_scsicmpl_time);
3511 lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000);
3513 lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val)
3515 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3516 struct lpfc_nodelist *ndlp, *next_ndlp;
3518 if (val == vport->cfg_max_scsicmpl_time)
3520 if ((val < 0) || (val > 60000))
3522 vport->cfg_max_scsicmpl_time = val;
3524 spin_lock_irq(shost->host_lock);
3525 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
3526 if (!NLP_CHK_NODE_ACT(ndlp))
3528 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
3530 ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth;
3532 spin_unlock_irq(shost->host_lock);
3535 lpfc_vport_param_store(max_scsicmpl_time);
3536 static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR,
3537 lpfc_max_scsicmpl_time_show,
3538 lpfc_max_scsicmpl_time_store);
3541 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
3542 # range is [0,1]. Default value is 0.
3544 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
3547 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
3548 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
3549 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
3550 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
3551 # cr_delay is set to 0.
3553 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
3554 "interrupt response is generated");
3556 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
3557 "interrupt response is generated");
3560 # lpfc_multi_ring_support: Determines how many rings to spread available
3561 # cmd/rsp IOCB entries across.
3562 # Value range is [1,2]. Default value is 1.
3564 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
3565 "SLI rings to spread IOCB entries across");
3568 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
3569 # identifies what rctl value to configure the additional ring for.
3570 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
3572 LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1,
3573 255, "Identifies RCTL for additional ring configuration");
3576 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
3577 # identifies what type value to configure the additional ring for.
3578 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
3580 LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1,
3581 255, "Identifies TYPE for additional ring configuration");
3584 # lpfc_fdmi_on: controls FDMI support.
3585 # 0 = no FDMI support
3586 # 1 = support FDMI without attribute of hostname
3587 # 2 = support FDMI with attribute of hostname
3588 # Value range [0,2]. Default value is 0.
3590 LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
3593 # Specifies the maximum number of ELS cmds we can have outstanding (for
3594 # discovery). Value range is [1,64]. Default value = 32.
3596 LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
3597 "during discovery");
3600 # lpfc_max_luns: maximum allowed LUN.
3601 # Value range is [0,65535]. Default value is 255.
3602 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
3604 LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN");
3607 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
3608 # Value range is [1,255], default value is 10.
3610 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
3611 "Milliseconds driver will wait between polling FCP ring");
3614 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
3615 # support this feature
3618 # 2 = MSI-X enabled (default)
3619 # Value range is [0,2]. Default value is 2.
3621 LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or "
3622 "MSI-X (2), if possible");
3625 # lpfc_fcp_imax: Set the maximum number of fast-path FCP interrupts per second
3627 # Value range is [636,651042]. Default value is 10000.
3629 LPFC_ATTR_R(fcp_imax, LPFC_FP_DEF_IMAX, LPFC_MIM_IMAX, LPFC_DMULT_CONST,
3630 "Set the maximum number of fast-path FCP interrupts per second");
3633 # lpfc_fcp_wq_count: Set the number of fast-path FCP work queues
3635 # Value range is [1,31]. Default value is 4.
3637 LPFC_ATTR_R(fcp_wq_count, LPFC_FP_WQN_DEF, LPFC_FP_WQN_MIN, LPFC_FP_WQN_MAX,
3638 "Set the number of fast-path FCP work queues, if possible");
3641 # lpfc_fcp_eq_count: Set the number of fast-path FCP event queues
3643 # Value range is [1,7]. Default value is 1.
3645 LPFC_ATTR_R(fcp_eq_count, LPFC_FP_EQN_DEF, LPFC_FP_EQN_MIN, LPFC_FP_EQN_MAX,
3646 "Set the number of fast-path FCP event queues, if possible");
3649 # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
3650 # 0 = HBA resets disabled
3651 # 1 = HBA resets enabled (default)
3652 # Value range is [0,1]. Default value is 1.
3654 LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver.");
3657 # lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer..
3658 # 0 = HBA Heartbeat disabled
3659 # 1 = HBA Heartbeat enabled (default)
3660 # Value range is [0,1]. Default value is 1.
3662 LPFC_ATTR_R(enable_hba_heartbeat, 0, 0, 1, "Enable HBA Heartbeat.");
3665 # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF)
3666 # 0 = BlockGuard disabled (default)
3667 # 1 = BlockGuard enabled
3668 # Value range is [0,1]. Default value is 0.
3670 LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support");
3674 # - Bit mask of host protection capabilities used to register with the
3676 # - Only meaningful if BG is turned on (lpfc_enable_bg=1).
3677 # - Allows you to ultimately specify which profiles to use
3678 # - Default will result in registering capabilities for all profiles.
3681 unsigned int lpfc_prot_mask = SHOST_DIF_TYPE1_PROTECTION |
3682 SHOST_DIX_TYPE0_PROTECTION |
3683 SHOST_DIX_TYPE1_PROTECTION;
3685 module_param(lpfc_prot_mask, uint, S_IRUGO);
3686 MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask");
3689 # lpfc_prot_guard: i
3690 # - Bit mask of protection guard types to register with the SCSI mid-layer
3691 # - Guard types are currently either 1) IP checksum 2) T10-DIF CRC
3692 # - Allows you to ultimately specify which profiles to use
3693 # - Default will result in registering capabilities for all guard types
3696 unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP;
3697 module_param(lpfc_prot_guard, byte, S_IRUGO);
3698 MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type");
3701 * Delay initial NPort discovery when Clean Address bit is cleared in
3702 * FLOGI/FDISC accept and FCID/Fabric name/Fabric portname is changed.
3703 * This parameter can have value 0 or 1.
3704 * When this parameter is set to 0, no delay is added to the initial
3706 * When this parameter is set to non-zero value, initial Nport discovery is
3707 * delayed by ra_tov seconds when Clean Address bit is cleared in FLOGI/FDISC
3708 * accept and FCID/Fabric name/Fabric portname is changed.
3709 * Driver always delay Nport discovery for subsequent FLOGI/FDISC completion
3710 * when Clean Address bit is cleared in FLOGI/FDISC
3711 * accept and FCID/Fabric name/Fabric portname is changed.
3712 * Default value is 0.
3714 int lpfc_delay_discovery;
3715 module_param(lpfc_delay_discovery, int, S_IRUGO);
3716 MODULE_PARM_DESC(lpfc_delay_discovery,
3717 "Delay NPort discovery when Clean Address bit is cleared. "
3718 "Allowed values: 0,1.");
3721 * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count
3722 * This value can be set to values between 64 and 256. The default value is
3723 * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer
3724 * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE).
3726 LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT,
3727 LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count");
3729 LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_PROT_SG_SEG_CNT,
3730 LPFC_DEFAULT_PROT_SG_SEG_CNT, LPFC_MAX_PROT_SG_SEG_CNT,
3731 "Max Protection Scatter Gather Segment Count");
3733 struct device_attribute *lpfc_hba_attrs[] = {
3735 &dev_attr_bg_guard_err,
3736 &dev_attr_bg_apptag_err,
3737 &dev_attr_bg_reftag_err,
3739 &dev_attr_serialnum,
3740 &dev_attr_modeldesc,
3741 &dev_attr_modelname,
3742 &dev_attr_programtype,
3746 &dev_attr_option_rom_version,
3747 &dev_attr_link_state,
3748 &dev_attr_num_discovered_ports,
3749 &dev_attr_menlo_mgmt_mode,
3750 &dev_attr_lpfc_drvr_version,
3751 &dev_attr_lpfc_enable_fip,
3752 &dev_attr_lpfc_temp_sensor,
3753 &dev_attr_lpfc_log_verbose,
3754 &dev_attr_lpfc_lun_queue_depth,
3755 &dev_attr_lpfc_tgt_queue_depth,
3756 &dev_attr_lpfc_hba_queue_depth,
3757 &dev_attr_lpfc_peer_port_login,
3758 &dev_attr_lpfc_nodev_tmo,
3759 &dev_attr_lpfc_devloss_tmo,
3760 &dev_attr_lpfc_fcp_class,
3761 &dev_attr_lpfc_use_adisc,
3762 &dev_attr_lpfc_ack0,
3763 &dev_attr_lpfc_topology,
3764 &dev_attr_lpfc_scan_down,
3765 &dev_attr_lpfc_link_speed,
3766 &dev_attr_lpfc_cr_delay,
3767 &dev_attr_lpfc_cr_count,
3768 &dev_attr_lpfc_multi_ring_support,
3769 &dev_attr_lpfc_multi_ring_rctl,
3770 &dev_attr_lpfc_multi_ring_type,
3771 &dev_attr_lpfc_fdmi_on,
3772 &dev_attr_lpfc_max_luns,
3773 &dev_attr_lpfc_enable_npiv,
3774 &dev_attr_lpfc_enable_rrq,
3775 &dev_attr_nport_evt_cnt,
3776 &dev_attr_board_mode,
3783 &dev_attr_npiv_info,
3784 &dev_attr_issue_reset,
3785 &dev_attr_lpfc_poll,
3786 &dev_attr_lpfc_poll_tmo,
3787 &dev_attr_lpfc_use_msi,
3788 &dev_attr_lpfc_fcp_imax,
3789 &dev_attr_lpfc_fcp_wq_count,
3790 &dev_attr_lpfc_fcp_eq_count,
3791 &dev_attr_lpfc_enable_bg,
3792 &dev_attr_lpfc_soft_wwnn,
3793 &dev_attr_lpfc_soft_wwpn,
3794 &dev_attr_lpfc_soft_wwn_enable,
3795 &dev_attr_lpfc_enable_hba_reset,
3796 &dev_attr_lpfc_enable_hba_heartbeat,
3797 &dev_attr_lpfc_sg_seg_cnt,
3798 &dev_attr_lpfc_max_scsicmpl_time,
3799 &dev_attr_lpfc_stat_data_ctrl,
3800 &dev_attr_lpfc_prot_sg_seg_cnt,
3801 &dev_attr_lpfc_aer_support,
3802 &dev_attr_lpfc_aer_state_cleanup,
3803 &dev_attr_lpfc_sriov_nr_virtfn,
3804 &dev_attr_lpfc_suppress_link_up,
3805 &dev_attr_lpfc_iocb_cnt,
3808 &dev_attr_txcmplq_hw,
3809 &dev_attr_lpfc_fips_level,
3810 &dev_attr_lpfc_fips_rev,
3812 &dev_attr_lpfc_sriov_hw_max_virtfn,
3816 struct device_attribute *lpfc_vport_attrs[] = {
3818 &dev_attr_link_state,
3819 &dev_attr_num_discovered_ports,
3820 &dev_attr_lpfc_drvr_version,
3821 &dev_attr_lpfc_log_verbose,
3822 &dev_attr_lpfc_lun_queue_depth,
3823 &dev_attr_lpfc_tgt_queue_depth,
3824 &dev_attr_lpfc_nodev_tmo,
3825 &dev_attr_lpfc_devloss_tmo,
3826 &dev_attr_lpfc_hba_queue_depth,
3827 &dev_attr_lpfc_peer_port_login,
3828 &dev_attr_lpfc_restrict_login,
3829 &dev_attr_lpfc_fcp_class,
3830 &dev_attr_lpfc_use_adisc,
3831 &dev_attr_lpfc_fdmi_on,
3832 &dev_attr_lpfc_max_luns,
3833 &dev_attr_nport_evt_cnt,
3834 &dev_attr_npiv_info,
3835 &dev_attr_lpfc_enable_da_id,
3836 &dev_attr_lpfc_max_scsicmpl_time,
3837 &dev_attr_lpfc_stat_data_ctrl,
3838 &dev_attr_lpfc_static_vport,
3839 &dev_attr_lpfc_fips_level,
3840 &dev_attr_lpfc_fips_rev,
3845 * sysfs_ctlreg_write - Write method for writing to ctlreg
3846 * @filp: open sysfs file
3847 * @kobj: kernel kobject that contains the kernel class device.
3848 * @bin_attr: kernel attributes passed to us.
3849 * @buf: contains the data to be written to the adapter IOREG space.
3850 * @off: offset into buffer to beginning of data.
3851 * @count: bytes to transfer.
3854 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
3855 * Uses the adapter io control registers to send buf contents to the adapter.
3858 * -ERANGE off and count combo out of range
3859 * -EINVAL off, count or buff address invalid
3860 * -EPERM adapter is offline
3861 * value of count, buf contents written
3864 sysfs_ctlreg_write(struct file *filp, struct kobject *kobj,
3865 struct bin_attribute *bin_attr,
3866 char *buf, loff_t off, size_t count)
3869 struct device *dev = container_of(kobj, struct device, kobj);
3870 struct Scsi_Host *shost = class_to_shost(dev);
3871 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3872 struct lpfc_hba *phba = vport->phba;
3874 if (phba->sli_rev >= LPFC_SLI_REV4)
3877 if ((off + count) > FF_REG_AREA_SIZE)
3880 if (count == 0) return 0;
3882 if (off % 4 || count % 4 || (unsigned long)buf % 4)
3885 if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
3889 spin_lock_irq(&phba->hbalock);
3890 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
3891 writel(*((uint32_t *)(buf + buf_off)),
3892 phba->ctrl_regs_memmap_p + off + buf_off);
3894 spin_unlock_irq(&phba->hbalock);
3900 * sysfs_ctlreg_read - Read method for reading from ctlreg
3901 * @filp: open sysfs file
3902 * @kobj: kernel kobject that contains the kernel class device.
3903 * @bin_attr: kernel attributes passed to us.
3904 * @buf: if successful contains the data from the adapter IOREG space.
3905 * @off: offset into buffer to beginning of data.
3906 * @count: bytes to transfer.
3909 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
3910 * Uses the adapter io control registers to read data into buf.
3913 * -ERANGE off and count combo out of range
3914 * -EINVAL off, count or buff address invalid
3915 * value of count, buf contents read
3918 sysfs_ctlreg_read(struct file *filp, struct kobject *kobj,
3919 struct bin_attribute *bin_attr,
3920 char *buf, loff_t off, size_t count)
3924 struct device *dev = container_of(kobj, struct device, kobj);
3925 struct Scsi_Host *shost = class_to_shost(dev);
3926 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3927 struct lpfc_hba *phba = vport->phba;
3929 if (phba->sli_rev >= LPFC_SLI_REV4)
3932 if (off > FF_REG_AREA_SIZE)
3935 if ((off + count) > FF_REG_AREA_SIZE)
3936 count = FF_REG_AREA_SIZE - off;
3938 if (count == 0) return 0;
3940 if (off % 4 || count % 4 || (unsigned long)buf % 4)
3943 spin_lock_irq(&phba->hbalock);
3945 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
3946 tmp_ptr = (uint32_t *)(buf + buf_off);
3947 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
3950 spin_unlock_irq(&phba->hbalock);
3955 static struct bin_attribute sysfs_ctlreg_attr = {
3958 .mode = S_IRUSR | S_IWUSR,
3961 .read = sysfs_ctlreg_read,
3962 .write = sysfs_ctlreg_write,
3966 * sysfs_mbox_idle - frees the sysfs mailbox
3967 * @phba: lpfc_hba pointer
3970 sysfs_mbox_idle(struct lpfc_hba *phba)
3972 phba->sysfs_mbox.state = SMBOX_IDLE;
3973 phba->sysfs_mbox.offset = 0;
3975 if (phba->sysfs_mbox.mbox) {
3976 mempool_free(phba->sysfs_mbox.mbox,
3977 phba->mbox_mem_pool);
3978 phba->sysfs_mbox.mbox = NULL;
3983 * sysfs_mbox_write - Write method for writing information via mbox
3984 * @filp: open sysfs file
3985 * @kobj: kernel kobject that contains the kernel class device.
3986 * @bin_attr: kernel attributes passed to us.
3987 * @buf: contains the data to be written to sysfs mbox.
3988 * @off: offset into buffer to beginning of data.
3989 * @count: bytes to transfer.
3992 * Accessed via /sys/class/scsi_host/hostxxx/mbox.
3993 * Uses the sysfs mbox to send buf contents to the adapter.
3996 * -ERANGE off and count combo out of range
3997 * -EINVAL off, count or buff address invalid
3998 * zero if count is zero
3999 * -EPERM adapter is offline
4000 * -ENOMEM failed to allocate memory for the mail box
4001 * -EAGAIN offset, state or mbox is NULL
4002 * count number of bytes transferred
4005 sysfs_mbox_write(struct file *filp, struct kobject *kobj,
4006 struct bin_attribute *bin_attr,
4007 char *buf, loff_t off, size_t count)
4009 struct device *dev = container_of(kobj, struct device, kobj);
4010 struct Scsi_Host *shost = class_to_shost(dev);
4011 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4012 struct lpfc_hba *phba = vport->phba;
4013 struct lpfcMboxq *mbox = NULL;
4015 if ((count + off) > MAILBOX_CMD_SIZE)
4018 if (off % 4 || count % 4 || (unsigned long)buf % 4)
4025 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4028 memset(mbox, 0, sizeof (LPFC_MBOXQ_t));
4031 spin_lock_irq(&phba->hbalock);
4034 if (phba->sysfs_mbox.mbox)
4035 mempool_free(mbox, phba->mbox_mem_pool);
4037 phba->sysfs_mbox.mbox = mbox;
4038 phba->sysfs_mbox.state = SMBOX_WRITING;
4040 if (phba->sysfs_mbox.state != SMBOX_WRITING ||
4041 phba->sysfs_mbox.offset != off ||
4042 phba->sysfs_mbox.mbox == NULL) {
4043 sysfs_mbox_idle(phba);
4044 spin_unlock_irq(&phba->hbalock);
4049 memcpy((uint8_t *) &phba->sysfs_mbox.mbox->u.mb + off,
4052 phba->sysfs_mbox.offset = off + count;
4054 spin_unlock_irq(&phba->hbalock);
4060 * sysfs_mbox_read - Read method for reading information via mbox
4061 * @filp: open sysfs file
4062 * @kobj: kernel kobject that contains the kernel class device.
4063 * @bin_attr: kernel attributes passed to us.
4064 * @buf: contains the data to be read from sysfs mbox.
4065 * @off: offset into buffer to beginning of data.
4066 * @count: bytes to transfer.
4069 * Accessed via /sys/class/scsi_host/hostxxx/mbox.
4070 * Uses the sysfs mbox to receive data from to the adapter.
4073 * -ERANGE off greater than mailbox command size
4074 * -EINVAL off, count or buff address invalid
4075 * zero if off and count are zero
4076 * -EACCES adapter over temp
4077 * -EPERM garbage can value to catch a multitude of errors
4078 * -EAGAIN management IO not permitted, state or off error
4079 * -ETIME mailbox timeout
4080 * -ENODEV mailbox error
4081 * count number of bytes transferred
4084 sysfs_mbox_read(struct file *filp, struct kobject *kobj,
4085 struct bin_attribute *bin_attr,
4086 char *buf, loff_t off, size_t count)
4088 struct device *dev = container_of(kobj, struct device, kobj);
4089 struct Scsi_Host *shost = class_to_shost(dev);
4090 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4091 struct lpfc_hba *phba = vport->phba;
4095 if (off > MAILBOX_CMD_SIZE)
4098 if ((count + off) > MAILBOX_CMD_SIZE)
4099 count = MAILBOX_CMD_SIZE - off;
4101 if (off % 4 || count % 4 || (unsigned long)buf % 4)
4104 if (off && count == 0)
4107 spin_lock_irq(&phba->hbalock);
4109 if (phba->over_temp_state == HBA_OVER_TEMP) {
4110 sysfs_mbox_idle(phba);
4111 spin_unlock_irq(&phba->hbalock);
4116 phba->sysfs_mbox.state == SMBOX_WRITING &&
4117 phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
4118 pmb = &phba->sysfs_mbox.mbox->u.mb;
4119 switch (pmb->mbxCommand) {
4123 case MBX_CONFIG_LINK:
4124 case MBX_CONFIG_RING:
4125 case MBX_RESET_RING:
4126 case MBX_UNREG_LOGIN:
4128 case MBX_DUMP_CONTEXT:
4133 if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
4134 printk(KERN_WARNING "mbox_read:Command 0x%x "
4135 "is illegal in on-line state\n",
4137 sysfs_mbox_idle(phba);
4138 spin_unlock_irq(&phba->hbalock);
4142 case MBX_WRITE_VPARMS:
4145 case MBX_READ_CONFIG:
4146 case MBX_READ_RCONFIG:
4147 case MBX_READ_STATUS:
4150 case MBX_READ_LNK_STAT:
4151 case MBX_DUMP_MEMORY:
4153 case MBX_UPDATE_CFG:
4154 case MBX_KILL_BOARD:
4156 case MBX_LOAD_EXP_ROM:
4158 case MBX_DEL_LD_ENTRY:
4159 case MBX_SET_VARIABLE:
4161 case MBX_PORT_CAPABILITIES:
4162 case MBX_PORT_IOV_CONTROL:
4164 case MBX_SECURITY_MGMT:
4166 if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) {
4167 printk(KERN_WARNING "mbox_read:Command 0x%x "
4168 "is not permitted\n", pmb->mbxCommand);
4169 sysfs_mbox_idle(phba);
4170 spin_unlock_irq(&phba->hbalock);
4174 case MBX_READ_SPARM64:
4175 case MBX_READ_TOPOLOGY:
4177 case MBX_REG_LOGIN64:
4178 case MBX_CONFIG_PORT:
4179 case MBX_RUN_BIU_DIAG:
4180 printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
4182 sysfs_mbox_idle(phba);
4183 spin_unlock_irq(&phba->hbalock);
4186 printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
4188 sysfs_mbox_idle(phba);
4189 spin_unlock_irq(&phba->hbalock);
4193 /* If HBA encountered an error attention, allow only DUMP
4194 * or RESTART mailbox commands until the HBA is restarted.
4196 if (phba->pport->stopped &&
4197 pmb->mbxCommand != MBX_DUMP_MEMORY &&
4198 pmb->mbxCommand != MBX_RESTART &&
4199 pmb->mbxCommand != MBX_WRITE_VPARMS &&
4200 pmb->mbxCommand != MBX_WRITE_WWN)
4201 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
4202 "1259 mbox: Issued mailbox cmd "
4203 "0x%x while in stopped state.\n",
4206 phba->sysfs_mbox.mbox->vport = vport;
4208 /* Don't allow mailbox commands to be sent when blocked
4209 * or when in the middle of discovery
4211 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
4212 sysfs_mbox_idle(phba);
4213 spin_unlock_irq(&phba->hbalock);
4217 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
4218 (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) {
4220 spin_unlock_irq(&phba->hbalock);
4221 rc = lpfc_sli_issue_mbox (phba,
4222 phba->sysfs_mbox.mbox,
4224 spin_lock_irq(&phba->hbalock);
4227 spin_unlock_irq(&phba->hbalock);
4228 rc = lpfc_sli_issue_mbox_wait (phba,
4229 phba->sysfs_mbox.mbox,
4230 lpfc_mbox_tmo_val(phba, pmb->mbxCommand) * HZ);
4231 spin_lock_irq(&phba->hbalock);
4234 if (rc != MBX_SUCCESS) {
4235 if (rc == MBX_TIMEOUT) {
4236 phba->sysfs_mbox.mbox = NULL;
4238 sysfs_mbox_idle(phba);
4239 spin_unlock_irq(&phba->hbalock);
4240 return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
4242 phba->sysfs_mbox.state = SMBOX_READING;
4244 else if (phba->sysfs_mbox.offset != off ||
4245 phba->sysfs_mbox.state != SMBOX_READING) {
4246 printk(KERN_WARNING "mbox_read: Bad State\n");
4247 sysfs_mbox_idle(phba);
4248 spin_unlock_irq(&phba->hbalock);
4252 memcpy(buf, (uint8_t *) &pmb + off, count);
4254 phba->sysfs_mbox.offset = off + count;
4256 if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE)
4257 sysfs_mbox_idle(phba);
4259 spin_unlock_irq(&phba->hbalock);
4264 static struct bin_attribute sysfs_mbox_attr = {
4267 .mode = S_IRUSR | S_IWUSR,
4269 .size = MAILBOX_SYSFS_MAX,
4270 .read = sysfs_mbox_read,
4271 .write = sysfs_mbox_write,
4275 * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries
4276 * @vport: address of lpfc vport structure.
4280 * error return code from sysfs_create_bin_file()
4283 lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
4285 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4288 error = sysfs_create_bin_file(&shost->shost_dev.kobj,
4289 &sysfs_drvr_stat_data_attr);
4291 /* Virtual ports do not need ctrl_reg and mbox */
4292 if (error || vport->port_type == LPFC_NPIV_PORT)
4295 error = sysfs_create_bin_file(&shost->shost_dev.kobj,
4296 &sysfs_ctlreg_attr);
4298 goto out_remove_stat_attr;
4300 error = sysfs_create_bin_file(&shost->shost_dev.kobj,
4303 goto out_remove_ctlreg_attr;
4306 out_remove_ctlreg_attr:
4307 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
4308 out_remove_stat_attr:
4309 sysfs_remove_bin_file(&shost->shost_dev.kobj,
4310 &sysfs_drvr_stat_data_attr);
4316 * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries
4317 * @vport: address of lpfc vport structure.
4320 lpfc_free_sysfs_attr(struct lpfc_vport *vport)
4322 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4323 sysfs_remove_bin_file(&shost->shost_dev.kobj,
4324 &sysfs_drvr_stat_data_attr);
4325 /* Virtual ports do not need ctrl_reg and mbox */
4326 if (vport->port_type == LPFC_NPIV_PORT)
4328 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr);
4329 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
4334 * Dynamic FC Host Attributes Support
4338 * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id
4339 * @shost: kernel scsi host pointer.
4342 lpfc_get_host_port_id(struct Scsi_Host *shost)
4344 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4346 /* note: fc_myDID already in cpu endianness */
4347 fc_host_port_id(shost) = vport->fc_myDID;
4351 * lpfc_get_host_port_type - Set the value of the scsi host port type
4352 * @shost: kernel scsi host pointer.
4355 lpfc_get_host_port_type(struct Scsi_Host *shost)
4357 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4358 struct lpfc_hba *phba = vport->phba;
4360 spin_lock_irq(shost->host_lock);
4362 if (vport->port_type == LPFC_NPIV_PORT) {
4363 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
4364 } else if (lpfc_is_link_up(phba)) {
4365 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
4366 if (vport->fc_flag & FC_PUBLIC_LOOP)
4367 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
4369 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
4371 if (vport->fc_flag & FC_FABRIC)
4372 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
4374 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
4377 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
4379 spin_unlock_irq(shost->host_lock);
4383 * lpfc_get_host_port_state - Set the value of the scsi host port state
4384 * @shost: kernel scsi host pointer.
4387 lpfc_get_host_port_state(struct Scsi_Host *shost)
4389 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4390 struct lpfc_hba *phba = vport->phba;
4392 spin_lock_irq(shost->host_lock);
4394 if (vport->fc_flag & FC_OFFLINE_MODE)
4395 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
4397 switch (phba->link_state) {
4398 case LPFC_LINK_UNKNOWN:
4399 case LPFC_LINK_DOWN:
4400 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
4404 case LPFC_HBA_READY:
4405 /* Links up, beyond this port_type reports state */
4406 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
4408 case LPFC_HBA_ERROR:
4409 fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
4412 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
4417 spin_unlock_irq(shost->host_lock);
4421 * lpfc_get_host_speed - Set the value of the scsi host speed
4422 * @shost: kernel scsi host pointer.
4425 lpfc_get_host_speed(struct Scsi_Host *shost)
4427 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4428 struct lpfc_hba *phba = vport->phba;
4430 spin_lock_irq(shost->host_lock);
4432 if (lpfc_is_link_up(phba)) {
4433 switch(phba->fc_linkspeed) {
4434 case LPFC_LINK_SPEED_1GHZ:
4435 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
4437 case LPFC_LINK_SPEED_2GHZ:
4438 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
4440 case LPFC_LINK_SPEED_4GHZ:
4441 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
4443 case LPFC_LINK_SPEED_8GHZ:
4444 fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
4446 case LPFC_LINK_SPEED_10GHZ:
4447 fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
4449 case LPFC_LINK_SPEED_16GHZ:
4450 fc_host_speed(shost) = FC_PORTSPEED_16GBIT;
4453 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
4457 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
4459 spin_unlock_irq(shost->host_lock);
4463 * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name
4464 * @shost: kernel scsi host pointer.
4467 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
4469 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4470 struct lpfc_hba *phba = vport->phba;
4473 spin_lock_irq(shost->host_lock);
4475 if ((vport->fc_flag & FC_FABRIC) ||
4476 ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) &&
4477 (vport->fc_flag & FC_PUBLIC_LOOP)))
4478 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
4480 /* fabric is local port if there is no F/FL_Port */
4483 spin_unlock_irq(shost->host_lock);
4485 fc_host_fabric_name(shost) = node_name;
4489 * lpfc_get_stats - Return statistical information about the adapter
4490 * @shost: kernel scsi host pointer.
4493 * NULL on error for link down, no mbox pool, sli2 active,
4494 * management not allowed, memory allocation error, or mbox error.
4498 * address of the adapter host statistics
4500 static struct fc_host_statistics *
4501 lpfc_get_stats(struct Scsi_Host *shost)
4503 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4504 struct lpfc_hba *phba = vport->phba;
4505 struct lpfc_sli *psli = &phba->sli;
4506 struct fc_host_statistics *hs = &phba->link_stats;
4507 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
4508 LPFC_MBOXQ_t *pmboxq;
4510 unsigned long seconds;
4514 * prevent udev from issuing mailbox commands until the port is
4517 if (phba->link_state < LPFC_LINK_DOWN ||
4518 !phba->mbox_mem_pool ||
4519 (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0)
4522 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
4525 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4528 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
4530 pmb = &pmboxq->u.mb;
4531 pmb->mbxCommand = MBX_READ_STATUS;
4532 pmb->mbxOwner = OWN_HOST;
4533 pmboxq->context1 = NULL;
4534 pmboxq->vport = vport;
4536 if (vport->fc_flag & FC_OFFLINE_MODE)
4537 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
4539 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
4541 if (rc != MBX_SUCCESS) {
4542 if (rc != MBX_TIMEOUT)
4543 mempool_free(pmboxq, phba->mbox_mem_pool);
4547 memset(hs, 0, sizeof (struct fc_host_statistics));
4549 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
4550 hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
4551 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
4552 hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
4554 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
4555 pmb->mbxCommand = MBX_READ_LNK_STAT;
4556 pmb->mbxOwner = OWN_HOST;
4557 pmboxq->context1 = NULL;
4558 pmboxq->vport = vport;
4560 if (vport->fc_flag & FC_OFFLINE_MODE)
4561 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
4563 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
4565 if (rc != MBX_SUCCESS) {
4566 if (rc != MBX_TIMEOUT)
4567 mempool_free(pmboxq, phba->mbox_mem_pool);
4571 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
4572 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
4573 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
4574 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
4575 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
4576 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
4577 hs->error_frames = pmb->un.varRdLnk.crcCnt;
4579 hs->link_failure_count -= lso->link_failure_count;
4580 hs->loss_of_sync_count -= lso->loss_of_sync_count;
4581 hs->loss_of_signal_count -= lso->loss_of_signal_count;
4582 hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
4583 hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
4584 hs->invalid_crc_count -= lso->invalid_crc_count;
4585 hs->error_frames -= lso->error_frames;
4587 if (phba->hba_flag & HBA_FCOE_MODE) {
4589 hs->nos_count = (phba->link_events >> 1);
4590 hs->nos_count -= lso->link_events;
4591 } else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
4592 hs->lip_count = (phba->fc_eventTag >> 1);
4593 hs->lip_count -= lso->link_events;
4597 hs->nos_count = (phba->fc_eventTag >> 1);
4598 hs->nos_count -= lso->link_events;
4601 hs->dumped_frames = -1;
4603 seconds = get_seconds();
4604 if (seconds < psli->stats_start)
4605 hs->seconds_since_last_reset = seconds +
4606 ((unsigned long)-1 - psli->stats_start);
4608 hs->seconds_since_last_reset = seconds - psli->stats_start;
4610 mempool_free(pmboxq, phba->mbox_mem_pool);
4616 * lpfc_reset_stats - Copy the adapter link stats information
4617 * @shost: kernel scsi host pointer.
4620 lpfc_reset_stats(struct Scsi_Host *shost)
4622 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4623 struct lpfc_hba *phba = vport->phba;
4624 struct lpfc_sli *psli = &phba->sli;
4625 struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets;
4626 LPFC_MBOXQ_t *pmboxq;
4630 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
4633 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4636 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
4638 pmb = &pmboxq->u.mb;
4639 pmb->mbxCommand = MBX_READ_STATUS;
4640 pmb->mbxOwner = OWN_HOST;
4641 pmb->un.varWords[0] = 0x1; /* reset request */
4642 pmboxq->context1 = NULL;
4643 pmboxq->vport = vport;
4645 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
4646 (!(psli->sli_flag & LPFC_SLI_ACTIVE)))
4647 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
4649 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
4651 if (rc != MBX_SUCCESS) {
4652 if (rc != MBX_TIMEOUT)
4653 mempool_free(pmboxq, phba->mbox_mem_pool);
4657 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
4658 pmb->mbxCommand = MBX_READ_LNK_STAT;
4659 pmb->mbxOwner = OWN_HOST;
4660 pmboxq->context1 = NULL;
4661 pmboxq->vport = vport;
4663 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
4664 (!(psli->sli_flag & LPFC_SLI_ACTIVE)))
4665 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
4667 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
4669 if (rc != MBX_SUCCESS) {
4670 if (rc != MBX_TIMEOUT)
4671 mempool_free( pmboxq, phba->mbox_mem_pool);
4675 lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
4676 lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
4677 lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
4678 lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
4679 lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
4680 lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
4681 lso->error_frames = pmb->un.varRdLnk.crcCnt;
4682 if (phba->hba_flag & HBA_FCOE_MODE)
4683 lso->link_events = (phba->link_events >> 1);
4685 lso->link_events = (phba->fc_eventTag >> 1);
4687 psli->stats_start = get_seconds();
4689 mempool_free(pmboxq, phba->mbox_mem_pool);
4695 * The LPFC driver treats linkdown handling as target loss events so there
4696 * are no sysfs handlers for link_down_tmo.
4700 * lpfc_get_node_by_target - Return the nodelist for a target
4701 * @starget: kernel scsi target pointer.
4704 * address of the node list if found
4705 * NULL target not found
4707 static struct lpfc_nodelist *
4708 lpfc_get_node_by_target(struct scsi_target *starget)
4710 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
4711 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4712 struct lpfc_nodelist *ndlp;
4714 spin_lock_irq(shost->host_lock);
4715 /* Search for this, mapped, target ID */
4716 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
4717 if (NLP_CHK_NODE_ACT(ndlp) &&
4718 ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
4719 starget->id == ndlp->nlp_sid) {
4720 spin_unlock_irq(shost->host_lock);
4724 spin_unlock_irq(shost->host_lock);
4729 * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1
4730 * @starget: kernel scsi target pointer.
4733 lpfc_get_starget_port_id(struct scsi_target *starget)
4735 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
4737 fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
4741 * lpfc_get_starget_node_name - Set the target node name
4742 * @starget: kernel scsi target pointer.
4744 * Description: Set the target node name to the ndlp node name wwn or zero.
4747 lpfc_get_starget_node_name(struct scsi_target *starget)
4749 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
4751 fc_starget_node_name(starget) =
4752 ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
4756 * lpfc_get_starget_port_name - Set the target port name
4757 * @starget: kernel scsi target pointer.
4759 * Description: set the target port name to the ndlp port name wwn or zero.
4762 lpfc_get_starget_port_name(struct scsi_target *starget)
4764 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
4766 fc_starget_port_name(starget) =
4767 ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
4771 * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo
4772 * @rport: fc rport address.
4773 * @timeout: new value for dev loss tmo.
4776 * If timeout is non zero set the dev_loss_tmo to timeout, else set
4777 * dev_loss_tmo to one.
4780 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
4783 rport->dev_loss_tmo = timeout;
4785 rport->dev_loss_tmo = 1;
4789 * lpfc_rport_show_function - Return rport target information
4792 * Macro that uses field to generate a function with the name lpfc_show_rport_
4794 * lpfc_show_rport_##field: returns the bytes formatted in buf
4795 * @cdev: class converted to an fc_rport.
4796 * @buf: on return contains the target_field or zero.
4798 * Returns: size of formatted string.
4800 #define lpfc_rport_show_function(field, format_string, sz, cast) \
4802 lpfc_show_rport_##field (struct device *dev, \
4803 struct device_attribute *attr, \
4806 struct fc_rport *rport = transport_class_to_rport(dev); \
4807 struct lpfc_rport_data *rdata = rport->hostdata; \
4808 return snprintf(buf, sz, format_string, \
4809 (rdata->target) ? cast rdata->target->field : 0); \
4812 #define lpfc_rport_rd_attr(field, format_string, sz) \
4813 lpfc_rport_show_function(field, format_string, sz, ) \
4814 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
4817 * lpfc_set_vport_symbolic_name - Set the vport's symbolic name
4818 * @fc_vport: The fc_vport who's symbolic name has been changed.
4821 * This function is called by the transport after the @fc_vport's symbolic name
4822 * has been changed. This function re-registers the symbolic name with the
4823 * switch to propagate the change into the fabric if the vport is active.
4826 lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport)
4828 struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data;
4830 if (vport->port_state == LPFC_VPORT_READY)
4831 lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0);
4835 * lpfc_hba_log_verbose_init - Set hba's log verbose level
4836 * @phba: Pointer to lpfc_hba struct.
4838 * This function is called by the lpfc_get_cfgparam() routine to set the
4839 * module lpfc_log_verbose into the @phba cfg_log_verbose for use with
4840 * log message according to the module's lpfc_log_verbose parameter setting
4841 * before hba port or vport created.
4844 lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose)
4846 phba->cfg_log_verbose = verbose;
4849 struct fc_function_template lpfc_transport_functions = {
4850 /* fixed attributes the driver supports */
4851 .show_host_node_name = 1,
4852 .show_host_port_name = 1,
4853 .show_host_supported_classes = 1,
4854 .show_host_supported_fc4s = 1,
4855 .show_host_supported_speeds = 1,
4856 .show_host_maxframe_size = 1,
4857 .show_host_symbolic_name = 1,
4859 /* dynamic attributes the driver supports */
4860 .get_host_port_id = lpfc_get_host_port_id,
4861 .show_host_port_id = 1,
4863 .get_host_port_type = lpfc_get_host_port_type,
4864 .show_host_port_type = 1,
4866 .get_host_port_state = lpfc_get_host_port_state,
4867 .show_host_port_state = 1,
4869 /* active_fc4s is shown but doesn't change (thus no get function) */
4870 .show_host_active_fc4s = 1,
4872 .get_host_speed = lpfc_get_host_speed,
4873 .show_host_speed = 1,
4875 .get_host_fabric_name = lpfc_get_host_fabric_name,
4876 .show_host_fabric_name = 1,
4879 * The LPFC driver treats linkdown handling as target loss events
4880 * so there are no sysfs handlers for link_down_tmo.
4883 .get_fc_host_stats = lpfc_get_stats,
4884 .reset_fc_host_stats = lpfc_reset_stats,
4886 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
4887 .show_rport_maxframe_size = 1,
4888 .show_rport_supported_classes = 1,
4890 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
4891 .show_rport_dev_loss_tmo = 1,
4893 .get_starget_port_id = lpfc_get_starget_port_id,
4894 .show_starget_port_id = 1,
4896 .get_starget_node_name = lpfc_get_starget_node_name,
4897 .show_starget_node_name = 1,
4899 .get_starget_port_name = lpfc_get_starget_port_name,
4900 .show_starget_port_name = 1,
4902 .issue_fc_host_lip = lpfc_issue_lip,
4903 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
4904 .terminate_rport_io = lpfc_terminate_rport_io,
4906 .dd_fcvport_size = sizeof(struct lpfc_vport *),
4908 .vport_disable = lpfc_vport_disable,
4910 .set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
4912 .bsg_request = lpfc_bsg_request,
4913 .bsg_timeout = lpfc_bsg_timeout,
4916 struct fc_function_template lpfc_vport_transport_functions = {
4917 /* fixed attributes the driver supports */
4918 .show_host_node_name = 1,
4919 .show_host_port_name = 1,
4920 .show_host_supported_classes = 1,
4921 .show_host_supported_fc4s = 1,
4922 .show_host_supported_speeds = 1,
4923 .show_host_maxframe_size = 1,
4924 .show_host_symbolic_name = 1,
4926 /* dynamic attributes the driver supports */
4927 .get_host_port_id = lpfc_get_host_port_id,
4928 .show_host_port_id = 1,
4930 .get_host_port_type = lpfc_get_host_port_type,
4931 .show_host_port_type = 1,
4933 .get_host_port_state = lpfc_get_host_port_state,
4934 .show_host_port_state = 1,
4936 /* active_fc4s is shown but doesn't change (thus no get function) */
4937 .show_host_active_fc4s = 1,
4939 .get_host_speed = lpfc_get_host_speed,
4940 .show_host_speed = 1,
4942 .get_host_fabric_name = lpfc_get_host_fabric_name,
4943 .show_host_fabric_name = 1,
4946 * The LPFC driver treats linkdown handling as target loss events
4947 * so there are no sysfs handlers for link_down_tmo.
4950 .get_fc_host_stats = lpfc_get_stats,
4951 .reset_fc_host_stats = lpfc_reset_stats,
4953 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
4954 .show_rport_maxframe_size = 1,
4955 .show_rport_supported_classes = 1,
4957 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
4958 .show_rport_dev_loss_tmo = 1,
4960 .get_starget_port_id = lpfc_get_starget_port_id,
4961 .show_starget_port_id = 1,
4963 .get_starget_node_name = lpfc_get_starget_node_name,
4964 .show_starget_node_name = 1,
4966 .get_starget_port_name = lpfc_get_starget_port_name,
4967 .show_starget_port_name = 1,
4969 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
4970 .terminate_rport_io = lpfc_terminate_rport_io,
4972 .vport_disable = lpfc_vport_disable,
4974 .set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
4978 * lpfc_get_cfgparam - Used during probe_one to init the adapter structure
4979 * @phba: lpfc_hba pointer.
4982 lpfc_get_cfgparam(struct lpfc_hba *phba)
4984 lpfc_cr_delay_init(phba, lpfc_cr_delay);
4985 lpfc_cr_count_init(phba, lpfc_cr_count);
4986 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
4987 lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
4988 lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
4989 lpfc_ack0_init(phba, lpfc_ack0);
4990 lpfc_topology_init(phba, lpfc_topology);
4991 lpfc_link_speed_init(phba, lpfc_link_speed);
4992 lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
4993 lpfc_enable_npiv_init(phba, lpfc_enable_npiv);
4994 lpfc_enable_rrq_init(phba, lpfc_enable_rrq);
4995 lpfc_use_msi_init(phba, lpfc_use_msi);
4996 lpfc_fcp_imax_init(phba, lpfc_fcp_imax);
4997 lpfc_fcp_wq_count_init(phba, lpfc_fcp_wq_count);
4998 lpfc_fcp_eq_count_init(phba, lpfc_fcp_eq_count);
4999 lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset);
5000 lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat);
5001 lpfc_enable_bg_init(phba, lpfc_enable_bg);
5002 if (phba->sli_rev == LPFC_SLI_REV4)
5005 phba->cfg_poll = lpfc_poll;
5006 phba->cfg_soft_wwnn = 0L;
5007 phba->cfg_soft_wwpn = 0L;
5008 lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt);
5009 lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt);
5010 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
5011 lpfc_hba_log_verbose_init(phba, lpfc_log_verbose);
5012 lpfc_aer_support_init(phba, lpfc_aer_support);
5013 lpfc_sriov_nr_virtfn_init(phba, lpfc_sriov_nr_virtfn);
5014 lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up);
5015 lpfc_iocb_cnt_init(phba, lpfc_iocb_cnt);
5016 phba->cfg_enable_dss = 1;
5021 * lpfc_get_vport_cfgparam - Used during port create, init the vport structure
5022 * @vport: lpfc_vport pointer.
5025 lpfc_get_vport_cfgparam(struct lpfc_vport *vport)
5027 lpfc_log_verbose_init(vport, lpfc_log_verbose);
5028 lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth);
5029 lpfc_tgt_queue_depth_init(vport, lpfc_tgt_queue_depth);
5030 lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo);
5031 lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo);
5032 lpfc_peer_port_login_init(vport, lpfc_peer_port_login);
5033 lpfc_restrict_login_init(vport, lpfc_restrict_login);
5034 lpfc_fcp_class_init(vport, lpfc_fcp_class);
5035 lpfc_use_adisc_init(vport, lpfc_use_adisc);
5036 lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time);
5037 lpfc_fdmi_on_init(vport, lpfc_fdmi_on);
5038 lpfc_discovery_threads_init(vport, lpfc_discovery_threads);
5039 lpfc_max_luns_init(vport, lpfc_max_luns);
5040 lpfc_scan_down_init(vport, lpfc_scan_down);
5041 lpfc_enable_da_id_init(vport, lpfc_enable_da_id);