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_status_reg_wait - Wait for pdev status register for readyness
759 * @phba: lpfc_hba pointer.
762 * SLI4 interface type-2 device to wait on the sliport status register for
763 * the readyness after performing a firmware reset.
769 lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *phba)
771 struct lpfc_register portstat_reg;
775 lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
776 &portstat_reg.word0);
778 /* wait for the SLI port firmware ready after firmware reset */
779 for (i = 0; i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT; i++) {
781 lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
782 &portstat_reg.word0);
783 if (!bf_get(lpfc_sliport_status_err, &portstat_reg))
785 if (!bf_get(lpfc_sliport_status_rn, &portstat_reg))
787 if (!bf_get(lpfc_sliport_status_rdy, &portstat_reg))
792 if (i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT)
799 * lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc
800 * @phba: lpfc_hba pointer.
803 * Request SLI4 interface type-2 device to perform a physical register set
810 lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode)
812 struct completion online_compl;
813 struct pci_dev *pdev = phba->pcidev;
818 if (!phba->cfg_enable_hba_reset)
821 if ((phba->sli_rev < LPFC_SLI_REV4) ||
822 (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
823 LPFC_SLI_INTF_IF_TYPE_2))
826 if (!pdev->is_physfn)
829 /* Disable SR-IOV virtual functions if enabled */
830 if (phba->cfg_sriov_nr_virtfn) {
831 pci_disable_sriov(pdev);
832 phba->cfg_sriov_nr_virtfn = 0;
834 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
839 /* wait for the device to be quiesced before firmware reset */
842 reg_val = readl(phba->sli4_hba.conf_regs_memmap_p +
843 LPFC_CTL_PDEV_CTL_OFFSET);
845 if (opcode == LPFC_FW_DUMP)
846 reg_val |= LPFC_FW_DUMP_REQUEST;
847 else if (opcode == LPFC_FW_RESET)
848 reg_val |= LPFC_CTL_PDEV_CTL_FRST;
849 else if (opcode == LPFC_DV_RESET)
850 reg_val |= LPFC_CTL_PDEV_CTL_DRST;
852 writel(reg_val, phba->sli4_hba.conf_regs_memmap_p +
853 LPFC_CTL_PDEV_CTL_OFFSET);
855 readl(phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET);
857 /* delay driver action following IF_TYPE_2 reset */
858 rc = lpfc_sli4_pdev_status_reg_wait(phba);
863 init_completion(&online_compl);
864 rc = lpfc_workq_post_event(phba, &status, &online_compl,
869 wait_for_completion(&online_compl);
878 * lpfc_nport_evt_cnt_show - Return the number of nport events
879 * @dev: class device that is converted into a Scsi_host.
880 * @attr: device attribute, not used.
881 * @buf: on return contains the ascii number of nport events.
883 * Returns: size of formatted string.
886 lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr,
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;
893 return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
897 * lpfc_board_mode_show - Return the state of the board
898 * @dev: class device that is converted into a Scsi_host.
899 * @attr: device attribute, not used.
900 * @buf: on return contains the state of the adapter.
902 * Returns: size of formatted string.
905 lpfc_board_mode_show(struct device *dev, struct device_attribute *attr,
908 struct Scsi_Host *shost = class_to_shost(dev);
909 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
910 struct lpfc_hba *phba = vport->phba;
913 if (phba->link_state == LPFC_HBA_ERROR)
915 else if (phba->link_state == LPFC_WARM_START)
916 state = "warm start";
917 else if (phba->link_state == LPFC_INIT_START)
922 return snprintf(buf, PAGE_SIZE, "%s\n", state);
926 * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state
927 * @dev: class device that is converted into a Scsi_host.
928 * @attr: device attribute, not used.
929 * @buf: containing one of the strings "online", "offline", "warm" or "error".
930 * @count: unused variable.
933 * -EACCES if enable hba reset not enabled
934 * -EINVAL if the buffer does not contain a valid string (see above)
935 * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails
936 * buf length greater than zero indicates success
939 lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
940 const char *buf, size_t count)
942 struct Scsi_Host *shost = class_to_shost(dev);
943 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
944 struct lpfc_hba *phba = vport->phba;
945 struct completion online_compl;
949 if (!phba->cfg_enable_hba_reset)
952 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
953 "3050 lpfc_board_mode set to %s\n", buf);
955 init_completion(&online_compl);
957 if(strncmp(buf, "online", sizeof("online") - 1) == 0) {
958 rc = lpfc_workq_post_event(phba, &status, &online_compl,
962 wait_for_completion(&online_compl);
963 } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
964 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
965 else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
966 if (phba->sli_rev == LPFC_SLI_REV4)
969 status = lpfc_do_offline(phba, LPFC_EVT_WARM_START);
970 else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
971 if (phba->sli_rev == LPFC_SLI_REV4)
974 status = lpfc_do_offline(phba, LPFC_EVT_KILL);
975 else if (strncmp(buf, "dump", sizeof("dump") - 1) == 0)
976 status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_DUMP);
977 else if (strncmp(buf, "fw_reset", sizeof("fw_reset") - 1) == 0)
978 status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_RESET);
979 else if (strncmp(buf, "dv_reset", sizeof("dv_reset") - 1) == 0)
980 status = lpfc_sli4_pdev_reg_request(phba, LPFC_DV_RESET);
991 * lpfc_get_hba_info - Return various bits of informaton about the adapter
992 * @phba: pointer to the adapter structure.
993 * @mxri: max xri count.
994 * @axri: available xri count.
995 * @mrpi: max rpi count.
996 * @arpi: available rpi count.
997 * @mvpi: max vpi count.
998 * @avpi: available vpi count.
1001 * If an integer pointer for an count is not null then the value for the
1002 * count is returned.
1009 lpfc_get_hba_info(struct lpfc_hba *phba,
1010 uint32_t *mxri, uint32_t *axri,
1011 uint32_t *mrpi, uint32_t *arpi,
1012 uint32_t *mvpi, uint32_t *avpi)
1014 struct lpfc_mbx_read_config *rd_config;
1015 LPFC_MBOXQ_t *pmboxq;
1021 * prevent udev from issuing mailbox commands until the port is
1024 if (phba->link_state < LPFC_LINK_DOWN ||
1025 !phba->mbox_mem_pool ||
1026 (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0)
1029 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
1032 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1035 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1037 pmb = &pmboxq->u.mb;
1038 pmb->mbxCommand = MBX_READ_CONFIG;
1039 pmb->mbxOwner = OWN_HOST;
1040 pmboxq->context1 = NULL;
1042 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1043 rc = MBX_NOT_FINISHED;
1045 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1047 if (rc != MBX_SUCCESS) {
1048 if (rc != MBX_TIMEOUT)
1049 mempool_free(pmboxq, phba->mbox_mem_pool);
1053 if (phba->sli_rev == LPFC_SLI_REV4) {
1054 rd_config = &pmboxq->u.mqe.un.rd_config;
1056 *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
1058 *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) -
1059 phba->sli4_hba.max_cfg_param.rpi_used;
1061 *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
1063 *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) -
1064 phba->sli4_hba.max_cfg_param.xri_used;
1066 /* Account for differences with SLI-3. Get vpi count from
1067 * mailbox data and subtract one for max vpi value.
1069 max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ?
1070 (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0;
1075 *avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used;
1078 *mrpi = pmb->un.varRdConfig.max_rpi;
1080 *arpi = pmb->un.varRdConfig.avail_rpi;
1082 *mxri = pmb->un.varRdConfig.max_xri;
1084 *axri = pmb->un.varRdConfig.avail_xri;
1086 *mvpi = pmb->un.varRdConfig.max_vpi;
1088 *avpi = pmb->un.varRdConfig.avail_vpi;
1091 mempool_free(pmboxq, phba->mbox_mem_pool);
1096 * lpfc_max_rpi_show - Return maximum rpi
1097 * @dev: class device that is converted into a Scsi_host.
1098 * @attr: device attribute, not used.
1099 * @buf: on return contains the maximum rpi count in decimal or "Unknown".
1102 * Calls lpfc_get_hba_info() asking for just the mrpi count.
1103 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1104 * to "Unknown" and the buffer length is returned, therefore the caller
1105 * must check for "Unknown" in the buffer to detect a failure.
1107 * Returns: size of formatted string.
1110 lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr,
1113 struct Scsi_Host *shost = class_to_shost(dev);
1114 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1115 struct lpfc_hba *phba = vport->phba;
1118 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL))
1119 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
1120 return snprintf(buf, PAGE_SIZE, "Unknown\n");
1124 * lpfc_used_rpi_show - Return maximum rpi minus available rpi
1125 * @dev: class device that is converted into a Scsi_host.
1126 * @attr: device attribute, not used.
1127 * @buf: containing the used rpi count in decimal or "Unknown".
1130 * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts.
1131 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1132 * to "Unknown" and the buffer length is returned, therefore the caller
1133 * must check for "Unknown" in the buffer to detect a failure.
1135 * Returns: size of formatted string.
1138 lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr,
1141 struct Scsi_Host *shost = class_to_shost(dev);
1142 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1143 struct lpfc_hba *phba = vport->phba;
1146 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL))
1147 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
1148 return snprintf(buf, PAGE_SIZE, "Unknown\n");
1152 * lpfc_max_xri_show - Return maximum xri
1153 * @dev: class device that is converted into a Scsi_host.
1154 * @attr: device attribute, not used.
1155 * @buf: on return contains the maximum xri count in decimal or "Unknown".
1158 * Calls lpfc_get_hba_info() asking for just the mrpi count.
1159 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1160 * to "Unknown" and the buffer length is returned, therefore the caller
1161 * must check for "Unknown" in the buffer to detect a failure.
1163 * Returns: size of formatted string.
1166 lpfc_max_xri_show(struct device *dev, struct device_attribute *attr,
1169 struct Scsi_Host *shost = class_to_shost(dev);
1170 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1171 struct lpfc_hba *phba = vport->phba;
1174 if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL))
1175 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
1176 return snprintf(buf, PAGE_SIZE, "Unknown\n");
1180 * lpfc_used_xri_show - Return maximum xpi minus the available xpi
1181 * @dev: class device that is converted into a Scsi_host.
1182 * @attr: device attribute, not used.
1183 * @buf: on return contains the used xri count in decimal or "Unknown".
1186 * Calls lpfc_get_hba_info() asking for just the mxri and axri counts.
1187 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1188 * to "Unknown" and the buffer length is returned, therefore the caller
1189 * must check for "Unknown" in the buffer to detect a failure.
1191 * Returns: size of formatted string.
1194 lpfc_used_xri_show(struct device *dev, struct device_attribute *attr,
1197 struct Scsi_Host *shost = class_to_shost(dev);
1198 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1199 struct lpfc_hba *phba = vport->phba;
1202 if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL))
1203 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
1204 return snprintf(buf, PAGE_SIZE, "Unknown\n");
1208 * lpfc_max_vpi_show - Return maximum vpi
1209 * @dev: class device that is converted into a Scsi_host.
1210 * @attr: device attribute, not used.
1211 * @buf: on return contains the maximum vpi count in decimal or "Unknown".
1214 * Calls lpfc_get_hba_info() asking for just the mvpi count.
1215 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1216 * to "Unknown" and the buffer length is returned, therefore the caller
1217 * must check for "Unknown" in the buffer to detect a failure.
1219 * Returns: size of formatted string.
1222 lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr,
1225 struct Scsi_Host *shost = class_to_shost(dev);
1226 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1227 struct lpfc_hba *phba = vport->phba;
1230 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL))
1231 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
1232 return snprintf(buf, PAGE_SIZE, "Unknown\n");
1236 * lpfc_used_vpi_show - Return maximum vpi minus the available vpi
1237 * @dev: class device that is converted into a Scsi_host.
1238 * @attr: device attribute, not used.
1239 * @buf: on return contains the used vpi count in decimal or "Unknown".
1242 * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts.
1243 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1244 * to "Unknown" and the buffer length is returned, therefore the caller
1245 * must check for "Unknown" in the buffer to detect a failure.
1247 * Returns: size of formatted string.
1250 lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr,
1253 struct Scsi_Host *shost = class_to_shost(dev);
1254 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1255 struct lpfc_hba *phba = vport->phba;
1258 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt))
1259 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
1260 return snprintf(buf, PAGE_SIZE, "Unknown\n");
1264 * lpfc_npiv_info_show - Return text about NPIV support for the adapter
1265 * @dev: class device that is converted into a Scsi_host.
1266 * @attr: device attribute, not used.
1267 * @buf: text that must be interpreted to determine if npiv is supported.
1270 * Buffer will contain text indicating npiv is not suppoerted on the port,
1271 * the port is an NPIV physical port, or it is an npiv virtual port with
1272 * the id of the vport.
1274 * Returns: size of formatted string.
1277 lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr,
1280 struct Scsi_Host *shost = class_to_shost(dev);
1281 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1282 struct lpfc_hba *phba = vport->phba;
1284 if (!(phba->max_vpi))
1285 return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n");
1286 if (vport->port_type == LPFC_PHYSICAL_PORT)
1287 return snprintf(buf, PAGE_SIZE, "NPIV Physical\n");
1288 return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi);
1292 * lpfc_poll_show - Return text about poll support for the adapter
1293 * @dev: class device that is converted into a Scsi_host.
1294 * @attr: device attribute, not used.
1295 * @buf: on return contains the cfg_poll in hex.
1298 * cfg_poll should be a lpfc_polling_flags type.
1300 * Returns: size of formatted string.
1303 lpfc_poll_show(struct device *dev, struct device_attribute *attr,
1306 struct Scsi_Host *shost = class_to_shost(dev);
1307 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1308 struct lpfc_hba *phba = vport->phba;
1310 return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
1314 * lpfc_poll_store - Set the value of cfg_poll for the adapter
1315 * @dev: class device that is converted into a Scsi_host.
1316 * @attr: device attribute, not used.
1317 * @buf: one or more lpfc_polling_flags values.
1321 * buf contents converted to integer and checked for a valid value.
1324 * -EINVAL if the buffer connot be converted or is out of range
1325 * length of the buf on success
1328 lpfc_poll_store(struct device *dev, struct device_attribute *attr,
1329 const char *buf, size_t count)
1331 struct Scsi_Host *shost = class_to_shost(dev);
1332 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1333 struct lpfc_hba *phba = vport->phba;
1338 if (!isdigit(buf[0]))
1341 if (sscanf(buf, "%i", &val) != 1)
1344 if ((val & 0x3) != val)
1347 if (phba->sli_rev == LPFC_SLI_REV4)
1350 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1351 "3051 lpfc_poll changed from %d to %d\n",
1352 phba->cfg_poll, val);
1354 spin_lock_irq(&phba->hbalock);
1356 old_val = phba->cfg_poll;
1358 if (val & ENABLE_FCP_RING_POLLING) {
1359 if ((val & DISABLE_FCP_RING_INT) &&
1360 !(old_val & DISABLE_FCP_RING_INT)) {
1361 if (lpfc_readl(phba->HCregaddr, &creg_val)) {
1362 spin_unlock_irq(&phba->hbalock);
1365 creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
1366 writel(creg_val, phba->HCregaddr);
1367 readl(phba->HCregaddr); /* flush */
1369 lpfc_poll_start_timer(phba);
1371 } else if (val != 0x0) {
1372 spin_unlock_irq(&phba->hbalock);
1376 if (!(val & DISABLE_FCP_RING_INT) &&
1377 (old_val & DISABLE_FCP_RING_INT))
1379 spin_unlock_irq(&phba->hbalock);
1380 del_timer(&phba->fcp_poll_timer);
1381 spin_lock_irq(&phba->hbalock);
1382 if (lpfc_readl(phba->HCregaddr, &creg_val)) {
1383 spin_unlock_irq(&phba->hbalock);
1386 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
1387 writel(creg_val, phba->HCregaddr);
1388 readl(phba->HCregaddr); /* flush */
1391 phba->cfg_poll = val;
1393 spin_unlock_irq(&phba->hbalock);
1399 * lpfc_fips_level_show - Return the current FIPS level for the HBA
1400 * @dev: class unused variable.
1401 * @attr: device attribute, not used.
1402 * @buf: on return contains the module description text.
1404 * Returns: size of formatted string.
1407 lpfc_fips_level_show(struct device *dev, struct device_attribute *attr,
1410 struct Scsi_Host *shost = class_to_shost(dev);
1411 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1412 struct lpfc_hba *phba = vport->phba;
1414 return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_level);
1418 * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA
1419 * @dev: class unused variable.
1420 * @attr: device attribute, not used.
1421 * @buf: on return contains the module description text.
1423 * Returns: size of formatted string.
1426 lpfc_fips_rev_show(struct device *dev, struct device_attribute *attr,
1429 struct Scsi_Host *shost = class_to_shost(dev);
1430 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1431 struct lpfc_hba *phba = vport->phba;
1433 return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_spec_rev);
1437 * lpfc_dss_show - Return the current state of dss and the configured state
1438 * @dev: class converted to a Scsi_host structure.
1439 * @attr: device attribute, not used.
1440 * @buf: on return contains the formatted text.
1442 * Returns: size of formatted string.
1445 lpfc_dss_show(struct device *dev, struct device_attribute *attr,
1448 struct Scsi_Host *shost = class_to_shost(dev);
1449 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1450 struct lpfc_hba *phba = vport->phba;
1452 return snprintf(buf, PAGE_SIZE, "%s - %sOperational\n",
1453 (phba->cfg_enable_dss) ? "Enabled" : "Disabled",
1454 (phba->sli3_options & LPFC_SLI3_DSS_ENABLED) ?
1459 * lpfc_sriov_hw_max_virtfn_show - Return maximum number of virtual functions
1460 * @dev: class converted to a Scsi_host structure.
1461 * @attr: device attribute, not used.
1462 * @buf: on return contains the formatted support level.
1465 * Returns the maximum number of virtual functions a physical function can
1466 * support, 0 will be returned if called on virtual function.
1468 * Returns: size of formatted string.
1471 lpfc_sriov_hw_max_virtfn_show(struct device *dev,
1472 struct device_attribute *attr,
1475 struct Scsi_Host *shost = class_to_shost(dev);
1476 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1477 struct lpfc_hba *phba = vport->phba;
1478 uint16_t max_nr_virtfn;
1480 max_nr_virtfn = lpfc_sli_sriov_nr_virtfn_get(phba);
1481 return snprintf(buf, PAGE_SIZE, "%d\n", max_nr_virtfn);
1485 * lpfc_param_show - Return a cfg attribute value in decimal
1488 * Macro that given an attr e.g. hba_queue_depth expands
1489 * into a function with the name lpfc_hba_queue_depth_show.
1491 * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field.
1492 * @dev: class device that is converted into a Scsi_host.
1493 * @attr: device attribute, not used.
1494 * @buf: on return contains the attribute value in decimal.
1496 * Returns: size of formatted string.
1498 #define lpfc_param_show(attr) \
1500 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1503 struct Scsi_Host *shost = class_to_shost(dev);\
1504 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1505 struct lpfc_hba *phba = vport->phba;\
1507 val = phba->cfg_##attr;\
1508 return snprintf(buf, PAGE_SIZE, "%d\n",\
1513 * lpfc_param_hex_show - Return a cfg attribute value in hex
1516 * Macro that given an attr e.g. hba_queue_depth expands
1517 * into a function with the name lpfc_hba_queue_depth_show
1519 * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field.
1520 * @dev: class device that is converted into a Scsi_host.
1521 * @attr: device attribute, not used.
1522 * @buf: on return contains the attribute value in hexadecimal.
1524 * Returns: size of formatted string.
1526 #define lpfc_param_hex_show(attr) \
1528 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1531 struct Scsi_Host *shost = class_to_shost(dev);\
1532 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1533 struct lpfc_hba *phba = vport->phba;\
1535 val = phba->cfg_##attr;\
1536 return snprintf(buf, PAGE_SIZE, "%#x\n",\
1541 * lpfc_param_init - Initializes a cfg attribute
1544 * Macro that given an attr e.g. hba_queue_depth expands
1545 * into a function with the name lpfc_hba_queue_depth_init. The macro also
1546 * takes a default argument, a minimum and maximum argument.
1548 * lpfc_##attr##_init: Initializes an attribute.
1549 * @phba: pointer the the adapter structure.
1550 * @val: integer attribute value.
1552 * Validates the min and max values then sets the adapter config field
1553 * accordingly, or uses the default if out of range and prints an error message.
1557 * -EINVAL if default used
1559 #define lpfc_param_init(attr, default, minval, maxval) \
1561 lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \
1563 if (val >= minval && val <= maxval) {\
1564 phba->cfg_##attr = val;\
1567 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
1568 "0449 lpfc_"#attr" attribute cannot be set to %d, "\
1569 "allowed range is ["#minval", "#maxval"]\n", val); \
1570 phba->cfg_##attr = default;\
1575 * lpfc_param_set - Set a cfg attribute value
1578 * Macro that given an attr e.g. hba_queue_depth expands
1579 * into a function with the name lpfc_hba_queue_depth_set
1581 * lpfc_##attr##_set: Sets an attribute value.
1582 * @phba: pointer the the adapter structure.
1583 * @val: integer attribute value.
1586 * Validates the min and max values then sets the
1587 * adapter config field if in the valid range. prints error message
1588 * and does not set the parameter if invalid.
1592 * -EINVAL if val is invalid
1594 #define lpfc_param_set(attr, default, minval, maxval) \
1596 lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \
1598 if (val >= minval && val <= maxval) {\
1599 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
1600 "3052 lpfc_" #attr " changed from %d to %d\n", \
1601 phba->cfg_##attr, val); \
1602 phba->cfg_##attr = val;\
1605 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
1606 "0450 lpfc_"#attr" attribute cannot be set to %d, "\
1607 "allowed range is ["#minval", "#maxval"]\n", val); \
1612 * lpfc_param_store - Set a vport attribute value
1615 * Macro that given an attr e.g. hba_queue_depth expands
1616 * into a function with the name lpfc_hba_queue_depth_store.
1618 * lpfc_##attr##_store: Set an sttribute value.
1619 * @dev: class device that is converted into a Scsi_host.
1620 * @attr: device attribute, not used.
1621 * @buf: contains the attribute value in ascii.
1625 * Convert the ascii text number to an integer, then
1626 * use the lpfc_##attr##_set function to set the value.
1629 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
1630 * length of buffer upon success.
1632 #define lpfc_param_store(attr) \
1634 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
1635 const char *buf, size_t count) \
1637 struct Scsi_Host *shost = class_to_shost(dev);\
1638 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1639 struct lpfc_hba *phba = vport->phba;\
1641 if (!isdigit(buf[0]))\
1643 if (sscanf(buf, "%i", &val) != 1)\
1645 if (lpfc_##attr##_set(phba, val) == 0) \
1646 return strlen(buf);\
1652 * lpfc_vport_param_show - Return decimal formatted cfg attribute value
1655 * Macro that given an attr e.g. hba_queue_depth expands
1656 * into a function with the name lpfc_hba_queue_depth_show
1658 * lpfc_##attr##_show: prints the attribute value in decimal.
1659 * @dev: class device that is converted into a Scsi_host.
1660 * @attr: device attribute, not used.
1661 * @buf: on return contains the attribute value in decimal.
1663 * Returns: length of formatted string.
1665 #define lpfc_vport_param_show(attr) \
1667 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1670 struct Scsi_Host *shost = class_to_shost(dev);\
1671 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1673 val = vport->cfg_##attr;\
1674 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
1678 * lpfc_vport_param_hex_show - Return hex formatted attribute value
1681 * Macro that given an attr e.g.
1682 * hba_queue_depth expands into a function with the name
1683 * lpfc_hba_queue_depth_show
1685 * lpfc_##attr##_show: prints the attribute value in hexadecimal.
1686 * @dev: class device that is converted into a Scsi_host.
1687 * @attr: device attribute, not used.
1688 * @buf: on return contains the attribute value in hexadecimal.
1690 * Returns: length of formatted string.
1692 #define lpfc_vport_param_hex_show(attr) \
1694 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1697 struct Scsi_Host *shost = class_to_shost(dev);\
1698 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1700 val = vport->cfg_##attr;\
1701 return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
1705 * lpfc_vport_param_init - Initialize a vport cfg attribute
1708 * Macro that given an attr e.g. hba_queue_depth expands
1709 * into a function with the name lpfc_hba_queue_depth_init. The macro also
1710 * takes a default argument, a minimum and maximum argument.
1712 * lpfc_##attr##_init: validates the min and max values then sets the
1713 * adapter config field accordingly, or uses the default if out of range
1714 * and prints an error message.
1715 * @phba: pointer the the adapter structure.
1716 * @val: integer attribute value.
1720 * -EINVAL if default used
1722 #define lpfc_vport_param_init(attr, default, minval, maxval) \
1724 lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \
1726 if (val >= minval && val <= maxval) {\
1727 vport->cfg_##attr = val;\
1730 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
1731 "0423 lpfc_"#attr" attribute cannot be set to %d, "\
1732 "allowed range is ["#minval", "#maxval"]\n", val); \
1733 vport->cfg_##attr = default;\
1738 * lpfc_vport_param_set - Set a vport cfg attribute
1741 * Macro that given an attr e.g. hba_queue_depth expands
1742 * into a function with the name lpfc_hba_queue_depth_set
1744 * lpfc_##attr##_set: validates the min and max values then sets the
1745 * adapter config field if in the valid range. prints error message
1746 * and does not set the parameter if invalid.
1747 * @phba: pointer the the adapter structure.
1748 * @val: integer attribute value.
1752 * -EINVAL if val is invalid
1754 #define lpfc_vport_param_set(attr, default, minval, maxval) \
1756 lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \
1758 if (val >= minval && val <= maxval) {\
1759 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
1760 "3053 lpfc_" #attr " changed from %d to %d\n", \
1761 vport->cfg_##attr, val); \
1762 vport->cfg_##attr = val;\
1765 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
1766 "0424 lpfc_"#attr" attribute cannot be set to %d, "\
1767 "allowed range is ["#minval", "#maxval"]\n", val); \
1772 * lpfc_vport_param_store - Set a vport attribute
1775 * Macro that given an attr e.g. hba_queue_depth
1776 * expands into a function with the name lpfc_hba_queue_depth_store
1778 * lpfc_##attr##_store: convert the ascii text number to an integer, then
1779 * use the lpfc_##attr##_set function to set the value.
1780 * @cdev: class device that is converted into a Scsi_host.
1781 * @buf: contains the attribute value in decimal.
1785 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
1786 * length of buffer upon success.
1788 #define lpfc_vport_param_store(attr) \
1790 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
1791 const char *buf, size_t count) \
1793 struct Scsi_Host *shost = class_to_shost(dev);\
1794 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1796 if (!isdigit(buf[0]))\
1798 if (sscanf(buf, "%i", &val) != 1)\
1800 if (lpfc_##attr##_set(vport, val) == 0) \
1801 return strlen(buf);\
1807 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
1808 static uint lpfc_##name = defval;\
1809 module_param(lpfc_##name, uint, S_IRUGO);\
1810 MODULE_PARM_DESC(lpfc_##name, desc);\
1811 lpfc_param_init(name, defval, minval, maxval)
1813 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
1814 static uint lpfc_##name = defval;\
1815 module_param(lpfc_##name, uint, S_IRUGO);\
1816 MODULE_PARM_DESC(lpfc_##name, desc);\
1817 lpfc_param_show(name)\
1818 lpfc_param_init(name, defval, minval, maxval)\
1819 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1821 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
1822 static uint lpfc_##name = defval;\
1823 module_param(lpfc_##name, uint, S_IRUGO);\
1824 MODULE_PARM_DESC(lpfc_##name, desc);\
1825 lpfc_param_show(name)\
1826 lpfc_param_init(name, defval, minval, maxval)\
1827 lpfc_param_set(name, defval, minval, maxval)\
1828 lpfc_param_store(name)\
1829 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1830 lpfc_##name##_show, lpfc_##name##_store)
1832 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
1833 static uint lpfc_##name = defval;\
1834 module_param(lpfc_##name, uint, S_IRUGO);\
1835 MODULE_PARM_DESC(lpfc_##name, desc);\
1836 lpfc_param_hex_show(name)\
1837 lpfc_param_init(name, defval, minval, maxval)\
1838 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1840 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
1841 static uint lpfc_##name = defval;\
1842 module_param(lpfc_##name, uint, S_IRUGO);\
1843 MODULE_PARM_DESC(lpfc_##name, desc);\
1844 lpfc_param_hex_show(name)\
1845 lpfc_param_init(name, defval, minval, maxval)\
1846 lpfc_param_set(name, defval, minval, maxval)\
1847 lpfc_param_store(name)\
1848 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1849 lpfc_##name##_show, lpfc_##name##_store)
1851 #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \
1852 static uint lpfc_##name = defval;\
1853 module_param(lpfc_##name, uint, S_IRUGO);\
1854 MODULE_PARM_DESC(lpfc_##name, desc);\
1855 lpfc_vport_param_init(name, defval, minval, maxval)
1857 #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \
1858 static uint lpfc_##name = defval;\
1859 module_param(lpfc_##name, uint, S_IRUGO);\
1860 MODULE_PARM_DESC(lpfc_##name, desc);\
1861 lpfc_vport_param_show(name)\
1862 lpfc_vport_param_init(name, defval, minval, maxval)\
1863 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1865 #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \
1866 static uint lpfc_##name = defval;\
1867 module_param(lpfc_##name, uint, S_IRUGO);\
1868 MODULE_PARM_DESC(lpfc_##name, desc);\
1869 lpfc_vport_param_show(name)\
1870 lpfc_vport_param_init(name, defval, minval, maxval)\
1871 lpfc_vport_param_set(name, defval, minval, maxval)\
1872 lpfc_vport_param_store(name)\
1873 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1874 lpfc_##name##_show, lpfc_##name##_store)
1876 #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \
1877 static uint lpfc_##name = defval;\
1878 module_param(lpfc_##name, uint, S_IRUGO);\
1879 MODULE_PARM_DESC(lpfc_##name, desc);\
1880 lpfc_vport_param_hex_show(name)\
1881 lpfc_vport_param_init(name, defval, minval, maxval)\
1882 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1884 #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
1885 static uint lpfc_##name = defval;\
1886 module_param(lpfc_##name, uint, S_IRUGO);\
1887 MODULE_PARM_DESC(lpfc_##name, desc);\
1888 lpfc_vport_param_hex_show(name)\
1889 lpfc_vport_param_init(name, defval, minval, maxval)\
1890 lpfc_vport_param_set(name, defval, minval, maxval)\
1891 lpfc_vport_param_store(name)\
1892 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1893 lpfc_##name##_show, lpfc_##name##_store)
1895 static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL);
1896 static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL);
1897 static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL);
1898 static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL);
1899 static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
1900 static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
1901 static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
1902 static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
1903 static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
1904 static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL);
1905 static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
1906 static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
1907 static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show,
1908 lpfc_link_state_store);
1909 static DEVICE_ATTR(option_rom_version, S_IRUGO,
1910 lpfc_option_rom_version_show, NULL);
1911 static DEVICE_ATTR(num_discovered_ports, S_IRUGO,
1912 lpfc_num_discovered_ports_show, NULL);
1913 static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL);
1914 static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
1915 static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL);
1916 static DEVICE_ATTR(lpfc_enable_fip, S_IRUGO, lpfc_enable_fip_show, NULL);
1917 static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
1918 lpfc_board_mode_show, lpfc_board_mode_store);
1919 static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
1920 static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL);
1921 static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL);
1922 static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL);
1923 static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL);
1924 static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
1925 static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
1926 static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);
1927 static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL);
1928 static DEVICE_ATTR(lpfc_fips_level, S_IRUGO, lpfc_fips_level_show, NULL);
1929 static DEVICE_ATTR(lpfc_fips_rev, S_IRUGO, lpfc_fips_rev_show, NULL);
1930 static DEVICE_ATTR(lpfc_dss, S_IRUGO, lpfc_dss_show, NULL);
1931 static DEVICE_ATTR(lpfc_sriov_hw_max_virtfn, S_IRUGO,
1932 lpfc_sriov_hw_max_virtfn_show, NULL);
1934 static char *lpfc_soft_wwn_key = "C99G71SL8032A";
1937 * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid
1938 * @dev: class device that is converted into a Scsi_host.
1939 * @attr: device attribute, not used.
1940 * @buf: containing the string lpfc_soft_wwn_key.
1941 * @count: must be size of lpfc_soft_wwn_key.
1944 * -EINVAL if the buffer does not contain lpfc_soft_wwn_key
1945 * length of buf indicates success
1948 lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr,
1949 const char *buf, size_t count)
1951 struct Scsi_Host *shost = class_to_shost(dev);
1952 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1953 struct lpfc_hba *phba = vport->phba;
1954 unsigned int cnt = count;
1957 * We're doing a simple sanity check for soft_wwpn setting.
1958 * We require that the user write a specific key to enable
1959 * the soft_wwpn attribute to be settable. Once the attribute
1960 * is written, the enable key resets. If further updates are
1961 * desired, the key must be written again to re-enable the
1964 * The "key" is not secret - it is a hardcoded string shown
1965 * here. The intent is to protect against the random user or
1966 * application that is just writing attributes.
1969 /* count may include a LF at end of string */
1970 if (buf[cnt-1] == '\n')
1973 if ((cnt != strlen(lpfc_soft_wwn_key)) ||
1974 (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0))
1977 phba->soft_wwn_enable = 1;
1980 static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
1981 lpfc_soft_wwn_enable_store);
1984 * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter
1985 * @dev: class device that is converted into a Scsi_host.
1986 * @attr: device attribute, not used.
1987 * @buf: on return contains the wwpn in hexadecimal.
1989 * Returns: size of formatted string.
1992 lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr,
1995 struct Scsi_Host *shost = class_to_shost(dev);
1996 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1997 struct lpfc_hba *phba = vport->phba;
1999 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
2000 (unsigned long long)phba->cfg_soft_wwpn);
2004 * lpfc_soft_wwpn_store - Set the ww port name of the adapter
2005 * @dev class device that is converted into a Scsi_host.
2006 * @attr: device attribute, not used.
2007 * @buf: contains the wwpn in hexadecimal.
2008 * @count: number of wwpn bytes in buf
2011 * -EACCES hba reset not enabled, adapter over temp
2012 * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid
2013 * -EIO error taking adapter offline or online
2014 * value of count on success
2017 lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr,
2018 const char *buf, size_t count)
2020 struct Scsi_Host *shost = class_to_shost(dev);
2021 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2022 struct lpfc_hba *phba = vport->phba;
2023 struct completion online_compl;
2024 int stat1=0, stat2=0;
2025 unsigned int i, j, cnt=count;
2029 if (!phba->cfg_enable_hba_reset)
2031 spin_lock_irq(&phba->hbalock);
2032 if (phba->over_temp_state == HBA_OVER_TEMP) {
2033 spin_unlock_irq(&phba->hbalock);
2036 spin_unlock_irq(&phba->hbalock);
2037 /* count may include a LF at end of string */
2038 if (buf[cnt-1] == '\n')
2041 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
2042 ((cnt == 17) && (*buf++ != 'x')) ||
2043 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
2046 phba->soft_wwn_enable = 0;
2048 memset(wwpn, 0, sizeof(wwpn));
2050 /* Validate and store the new name */
2051 for (i=0, j=0; i < 16; i++) {
2054 value = hex_to_bin(*buf++);
2056 j = (j << 4) | value;
2060 wwpn[i/2] = j & 0xff;
2064 phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
2065 fc_host_port_name(shost) = phba->cfg_soft_wwpn;
2066 if (phba->cfg_soft_wwnn)
2067 fc_host_node_name(shost) = phba->cfg_soft_wwnn;
2069 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
2070 "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
2072 stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
2074 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2075 "0463 lpfc_soft_wwpn attribute set failed to "
2076 "reinit adapter - %d\n", stat1);
2077 init_completion(&online_compl);
2078 rc = lpfc_workq_post_event(phba, &stat2, &online_compl,
2083 wait_for_completion(&online_compl);
2085 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2086 "0464 lpfc_soft_wwpn attribute set failed to "
2087 "reinit adapter - %d\n", stat2);
2088 return (stat1 || stat2) ? -EIO : count;
2090 static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
2091 lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
2094 * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter
2095 * @dev: class device that is converted into a Scsi_host.
2096 * @attr: device attribute, not used.
2097 * @buf: on return contains the wwnn in hexadecimal.
2099 * Returns: size of formatted string.
2102 lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr,
2105 struct Scsi_Host *shost = class_to_shost(dev);
2106 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2107 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
2108 (unsigned long long)phba->cfg_soft_wwnn);
2112 * lpfc_soft_wwnn_store - sets the ww node name of the adapter
2113 * @cdev: class device that is converted into a Scsi_host.
2114 * @buf: contains the ww node name in hexadecimal.
2115 * @count: number of wwnn bytes in buf.
2118 * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid
2119 * value of count on success
2122 lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr,
2123 const char *buf, size_t count)
2125 struct Scsi_Host *shost = class_to_shost(dev);
2126 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2127 unsigned int i, j, cnt=count;
2130 /* count may include a LF at end of string */
2131 if (buf[cnt-1] == '\n')
2134 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
2135 ((cnt == 17) && (*buf++ != 'x')) ||
2136 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
2140 * Allow wwnn to be set many times, as long as the enable is set.
2141 * However, once the wwpn is set, everything locks.
2144 memset(wwnn, 0, sizeof(wwnn));
2146 /* Validate and store the new name */
2147 for (i=0, j=0; i < 16; i++) {
2150 value = hex_to_bin(*buf++);
2152 j = (j << 4) | value;
2156 wwnn[i/2] = j & 0xff;
2160 phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
2162 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
2163 "lpfc%d: soft_wwnn set. Value will take effect upon "
2164 "setting of the soft_wwpn\n", phba->brd_no);
2168 static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\
2169 lpfc_soft_wwnn_show, lpfc_soft_wwnn_store);
2172 static int lpfc_poll = 0;
2173 module_param(lpfc_poll, int, S_IRUGO);
2174 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
2176 " 1 - poll with interrupts enabled"
2177 " 3 - poll and disable FCP ring interrupts");
2179 static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
2180 lpfc_poll_show, lpfc_poll_store);
2182 int lpfc_sli_mode = 0;
2183 module_param(lpfc_sli_mode, int, S_IRUGO);
2184 MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:"
2185 " 0 - auto (SLI-3 if supported),"
2186 " 2 - select SLI-2 even on SLI-3 capable HBAs,"
2187 " 3 - select SLI-3");
2189 int lpfc_enable_npiv = 1;
2190 module_param(lpfc_enable_npiv, int, S_IRUGO);
2191 MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality");
2192 lpfc_param_show(enable_npiv);
2193 lpfc_param_init(enable_npiv, 1, 0, 1);
2194 static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, lpfc_enable_npiv_show, NULL);
2196 int lpfc_enable_rrq;
2197 module_param(lpfc_enable_rrq, int, S_IRUGO);
2198 MODULE_PARM_DESC(lpfc_enable_rrq, "Enable RRQ functionality");
2199 lpfc_param_show(enable_rrq);
2200 lpfc_param_init(enable_rrq, 0, 0, 1);
2201 static DEVICE_ATTR(lpfc_enable_rrq, S_IRUGO, lpfc_enable_rrq_show, NULL);
2204 # lpfc_suppress_link_up: Bring link up at initialization
2205 # 0x0 = bring link up (issue MBX_INIT_LINK)
2206 # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK)
2207 # 0x2 = never bring up link
2208 # Default value is 0.
2210 LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK,
2211 LPFC_DELAY_INIT_LINK_INDEFINITELY,
2212 "Suppress Link Up at initialization");
2214 # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS
2222 lpfc_iocb_hw_show(struct device *dev, struct device_attribute *attr, char *buf)
2224 struct Scsi_Host *shost = class_to_shost(dev);
2225 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
2227 return snprintf(buf, PAGE_SIZE, "%d\n", phba->iocb_max);
2230 static DEVICE_ATTR(iocb_hw, S_IRUGO,
2231 lpfc_iocb_hw_show, NULL);
2233 lpfc_txq_hw_show(struct device *dev, struct device_attribute *attr, char *buf)
2235 struct Scsi_Host *shost = class_to_shost(dev);
2236 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
2238 return snprintf(buf, PAGE_SIZE, "%d\n",
2239 phba->sli.ring[LPFC_ELS_RING].txq_max);
2242 static DEVICE_ATTR(txq_hw, S_IRUGO,
2243 lpfc_txq_hw_show, NULL);
2245 lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr,
2248 struct Scsi_Host *shost = class_to_shost(dev);
2249 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
2251 return snprintf(buf, PAGE_SIZE, "%d\n",
2252 phba->sli.ring[LPFC_ELS_RING].txcmplq_max);
2255 static DEVICE_ATTR(txcmplq_hw, S_IRUGO,
2256 lpfc_txcmplq_hw_show, NULL);
2258 int lpfc_iocb_cnt = 2;
2259 module_param(lpfc_iocb_cnt, int, S_IRUGO);
2260 MODULE_PARM_DESC(lpfc_iocb_cnt,
2261 "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs");
2262 lpfc_param_show(iocb_cnt);
2263 lpfc_param_init(iocb_cnt, 2, 1, 5);
2264 static DEVICE_ATTR(lpfc_iocb_cnt, S_IRUGO,
2265 lpfc_iocb_cnt_show, NULL);
2268 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
2269 # until the timer expires. Value range is [0,255]. Default value is 30.
2271 static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
2272 static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
2273 module_param(lpfc_nodev_tmo, int, 0);
2274 MODULE_PARM_DESC(lpfc_nodev_tmo,
2275 "Seconds driver will hold I/O waiting "
2276 "for a device to come back");
2279 * lpfc_nodev_tmo_show - Return the hba dev loss timeout value
2280 * @dev: class converted to a Scsi_host structure.
2281 * @attr: device attribute, not used.
2282 * @buf: on return contains the dev loss timeout in decimal.
2284 * Returns: size of formatted string.
2287 lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr,
2290 struct Scsi_Host *shost = class_to_shost(dev);
2291 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2293 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo);
2297 * lpfc_nodev_tmo_init - Set the hba nodev timeout value
2298 * @vport: lpfc vport structure pointer.
2299 * @val: contains the nodev timeout value.
2302 * If the devloss tmo is already set then nodev tmo is set to devloss tmo,
2303 * a kernel error message is printed and zero is returned.
2304 * Else if val is in range then nodev tmo and devloss tmo are set to val.
2305 * Otherwise nodev tmo is set to the default value.
2308 * zero if already set or if val is in range
2309 * -EINVAL val out of range
2312 lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val)
2314 if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) {
2315 vport->cfg_nodev_tmo = vport->cfg_devloss_tmo;
2316 if (val != LPFC_DEF_DEVLOSS_TMO)
2317 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2318 "0407 Ignoring nodev_tmo module "
2319 "parameter because devloss_tmo is "
2324 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
2325 vport->cfg_nodev_tmo = val;
2326 vport->cfg_devloss_tmo = val;
2329 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2330 "0400 lpfc_nodev_tmo attribute cannot be set to"
2331 " %d, allowed range is [%d, %d]\n",
2332 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
2333 vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
2338 * lpfc_update_rport_devloss_tmo - Update dev loss tmo value
2339 * @vport: lpfc vport structure pointer.
2342 * Update all the ndlp's dev loss tmo with the vport devloss tmo value.
2345 lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
2347 struct Scsi_Host *shost;
2348 struct lpfc_nodelist *ndlp;
2350 shost = lpfc_shost_from_vport(vport);
2351 spin_lock_irq(shost->host_lock);
2352 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp)
2353 if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport)
2354 ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo;
2355 spin_unlock_irq(shost->host_lock);
2359 * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values
2360 * @vport: lpfc vport structure pointer.
2361 * @val: contains the tmo value.
2364 * If the devloss tmo is already set or the vport dev loss tmo has changed
2365 * then a kernel error message is printed and zero is returned.
2366 * Else if val is in range then nodev tmo and devloss tmo are set to val.
2367 * Otherwise nodev tmo is set to the default value.
2370 * zero if already set or if val is in range
2371 * -EINVAL val out of range
2374 lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val)
2376 if (vport->dev_loss_tmo_changed ||
2377 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
2378 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2379 "0401 Ignoring change to nodev_tmo "
2380 "because devloss_tmo is set.\n");
2383 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
2384 vport->cfg_nodev_tmo = val;
2385 vport->cfg_devloss_tmo = val;
2387 * For compat: set the fc_host dev loss so new rports
2388 * will get the value.
2390 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val;
2391 lpfc_update_rport_devloss_tmo(vport);
2394 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2395 "0403 lpfc_nodev_tmo attribute cannot be set to"
2396 "%d, allowed range is [%d, %d]\n",
2397 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
2401 lpfc_vport_param_store(nodev_tmo)
2403 static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
2404 lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
2407 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
2408 # disappear until the timer expires. Value range is [0,255]. Default
2411 module_param(lpfc_devloss_tmo, int, S_IRUGO);
2412 MODULE_PARM_DESC(lpfc_devloss_tmo,
2413 "Seconds driver will hold I/O waiting "
2414 "for a device to come back");
2415 lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
2416 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
2417 lpfc_vport_param_show(devloss_tmo)
2420 * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit
2421 * @vport: lpfc vport structure pointer.
2422 * @val: contains the tmo value.
2425 * If val is in a valid range then set the vport nodev tmo,
2426 * devloss tmo, also set the vport dev loss tmo changed flag.
2427 * Else a kernel error message is printed.
2430 * zero if val is in range
2431 * -EINVAL val out of range
2434 lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val)
2436 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
2437 vport->cfg_nodev_tmo = val;
2438 vport->cfg_devloss_tmo = val;
2439 vport->dev_loss_tmo_changed = 1;
2440 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val;
2441 lpfc_update_rport_devloss_tmo(vport);
2445 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2446 "0404 lpfc_devloss_tmo attribute cannot be set to"
2447 " %d, allowed range is [%d, %d]\n",
2448 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
2452 lpfc_vport_param_store(devloss_tmo)
2453 static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
2454 lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
2457 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
2458 # deluged with LOTS of information.
2459 # You can set a bit mask to record specific types of verbose messages:
2460 # See lpfc_logmsh.h for definitions.
2462 LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff,
2463 "Verbose logging bit-mask");
2466 # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters
2467 # objects that have been registered with the nameserver after login.
2469 LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1,
2470 "Deregister nameserver objects before LOGO");
2473 # lun_queue_depth: This parameter is used to limit the number of outstanding
2474 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
2476 LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128,
2477 "Max number of FCP commands we can queue to a specific LUN");
2480 # tgt_queue_depth: This parameter is used to limit the number of outstanding
2481 # commands per target port. Value range is [10,65535]. Default value is 65535.
2483 LPFC_VPORT_ATTR_R(tgt_queue_depth, 65535, 10, 65535,
2484 "Max number of FCP commands we can queue to a specific target port");
2487 # hba_queue_depth: This parameter is used to limit the number of outstanding
2488 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
2489 # value is greater than the maximum number of exchanges supported by the HBA,
2490 # then maximum number of exchanges supported by the HBA is used to determine
2491 # the hba_queue_depth.
2493 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
2494 "Max number of FCP commands we can queue to a lpfc HBA");
2497 # peer_port_login: This parameter allows/prevents logins
2498 # between peer ports hosted on the same physical port.
2499 # When this parameter is set 0 peer ports of same physical port
2500 # are not allowed to login to each other.
2501 # When this parameter is set 1 peer ports of same physical port
2502 # are allowed to login to each other.
2503 # Default value of this parameter is 0.
2505 LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1,
2506 "Allow peer ports on the same physical port to login to each "
2510 # restrict_login: This parameter allows/prevents logins
2511 # between Virtual Ports and remote initiators.
2512 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
2513 # other initiators and will attempt to PLOGI all remote ports.
2514 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
2515 # remote ports and will not attempt to PLOGI to other initiators.
2516 # This parameter does not restrict to the physical port.
2517 # This parameter does not restrict logins to Fabric resident remote ports.
2518 # Default value of this parameter is 1.
2520 static int lpfc_restrict_login = 1;
2521 module_param(lpfc_restrict_login, int, S_IRUGO);
2522 MODULE_PARM_DESC(lpfc_restrict_login,
2523 "Restrict virtual ports login to remote initiators.");
2524 lpfc_vport_param_show(restrict_login);
2527 * lpfc_restrict_login_init - Set the vport restrict login flag
2528 * @vport: lpfc vport structure pointer.
2529 * @val: contains the restrict login value.
2532 * If val is not in a valid range then log a kernel error message and set
2533 * the vport restrict login to one.
2534 * If the port type is physical clear the restrict login flag and return.
2535 * Else set the restrict login flag to val.
2538 * zero if val is in range
2539 * -EINVAL val out of range
2542 lpfc_restrict_login_init(struct lpfc_vport *vport, int val)
2544 if (val < 0 || val > 1) {
2545 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2546 "0422 lpfc_restrict_login attribute cannot "
2547 "be set to %d, allowed range is [0, 1]\n",
2549 vport->cfg_restrict_login = 1;
2552 if (vport->port_type == LPFC_PHYSICAL_PORT) {
2553 vport->cfg_restrict_login = 0;
2556 vport->cfg_restrict_login = val;
2561 * lpfc_restrict_login_set - Set the vport restrict login flag
2562 * @vport: lpfc vport structure pointer.
2563 * @val: contains the restrict login value.
2566 * If val is not in a valid range then log a kernel error message and set
2567 * the vport restrict login to one.
2568 * If the port type is physical and the val is not zero log a kernel
2569 * error message, clear the restrict login flag and return zero.
2570 * Else set the restrict login flag to val.
2573 * zero if val is in range
2574 * -EINVAL val out of range
2577 lpfc_restrict_login_set(struct lpfc_vport *vport, int val)
2579 if (val < 0 || val > 1) {
2580 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2581 "0425 lpfc_restrict_login attribute cannot "
2582 "be set to %d, allowed range is [0, 1]\n",
2584 vport->cfg_restrict_login = 1;
2587 if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) {
2588 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2589 "0468 lpfc_restrict_login must be 0 for "
2590 "Physical ports.\n");
2591 vport->cfg_restrict_login = 0;
2594 vport->cfg_restrict_login = val;
2597 lpfc_vport_param_store(restrict_login);
2598 static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR,
2599 lpfc_restrict_login_show, lpfc_restrict_login_store);
2602 # Some disk devices have a "select ID" or "select Target" capability.
2603 # From a protocol standpoint "select ID" usually means select the
2604 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
2605 # annex" which contains a table that maps a "select ID" (a number
2606 # between 0 and 7F) to an ALPA. By default, for compatibility with
2607 # older drivers, the lpfc driver scans this table from low ALPA to high
2610 # Turning on the scan-down variable (on = 1, off = 0) will
2611 # cause the lpfc driver to use an inverted table, effectively
2612 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
2614 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
2615 # and will not work across a fabric. Also this parameter will take
2616 # effect only in the case when ALPA map is not available.)
2618 LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1,
2619 "Start scanning for devices from highest ALPA to lowest");
2622 # lpfc_topology: link topology for init link
2623 # 0x0 = attempt loop mode then point-to-point
2624 # 0x01 = internal loopback mode
2625 # 0x02 = attempt point-to-point mode only
2626 # 0x04 = attempt loop mode only
2627 # 0x06 = attempt point-to-point mode then loop
2628 # Set point-to-point mode if you want to run as an N_Port.
2629 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
2630 # Default value is 0.
2634 * lpfc_topology_set - Set the adapters topology field
2635 * @phba: lpfc_hba pointer.
2636 * @val: topology value.
2639 * If val is in a valid range then set the adapter's topology field and
2640 * issue a lip; if the lip fails reset the topology to the old value.
2642 * If the value is not in range log a kernel error message and return an error.
2645 * zero if val is in range and lip okay
2646 * non-zero return value from lpfc_issue_lip()
2647 * -EINVAL val out of range
2650 lpfc_topology_store(struct device *dev, struct device_attribute *attr,
2651 const char *buf, size_t count)
2653 struct Scsi_Host *shost = class_to_shost(dev);
2654 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2655 struct lpfc_hba *phba = vport->phba;
2658 const char *val_buf = buf;
2662 if (!strncmp(buf, "nolip ", strlen("nolip "))) {
2664 val_buf = &buf[strlen("nolip ")];
2667 if (!isdigit(val_buf[0]))
2669 if (sscanf(val_buf, "%i", &val) != 1)
2672 if (val >= 0 && val <= 6) {
2673 prev_val = phba->cfg_topology;
2674 phba->cfg_topology = val;
2678 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2679 "3054 lpfc_topology changed from %d to %d\n",
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 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3105 "3055 lpfc_link_speed changed from %d to %d %s\n",
3106 phba->cfg_link_speed, val, nolip ? "(nolip)" : "(lip)");
3108 if (((val == LPFC_USER_LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) ||
3109 ((val == LPFC_USER_LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) ||
3110 ((val == LPFC_USER_LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) ||
3111 ((val == LPFC_USER_LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) ||
3112 ((val == LPFC_USER_LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb)) ||
3113 ((val == LPFC_USER_LINK_SPEED_16G) && !(phba->lmt & LMT_16Gb))) {
3114 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3115 "2879 lpfc_link_speed attribute cannot be set "
3116 "to %d. Speed is not supported by this port.\n",
3120 if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) &&
3121 (LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) {
3122 prev_val = phba->cfg_link_speed;
3123 phba->cfg_link_speed = val;
3127 err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport));
3129 phba->cfg_link_speed = prev_val;
3134 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3135 "0469 lpfc_link_speed attribute cannot be set to %d, "
3136 "allowed values are ["LPFC_LINK_SPEED_STRING"]\n", val);
3140 static int lpfc_link_speed = 0;
3141 module_param(lpfc_link_speed, int, S_IRUGO);
3142 MODULE_PARM_DESC(lpfc_link_speed, "Select link speed");
3143 lpfc_param_show(link_speed)
3146 * lpfc_link_speed_init - Set the adapters link speed
3147 * @phba: lpfc_hba pointer.
3148 * @val: link speed value.
3151 * If val is in a valid range then set the adapter's link speed field.
3154 * If the value is not in range log a kernel error message, clear the link
3155 * speed and return an error.
3158 * zero if val saved.
3159 * -EINVAL val out of range
3162 lpfc_link_speed_init(struct lpfc_hba *phba, int val)
3164 if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) &&
3165 (LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) {
3166 phba->cfg_link_speed = val;
3169 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3170 "0405 lpfc_link_speed attribute cannot "
3171 "be set to %d, allowed values are "
3172 "["LPFC_LINK_SPEED_STRING"]\n", val);
3173 phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO;
3177 static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR,
3178 lpfc_link_speed_show, lpfc_link_speed_store);
3181 # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER)
3182 # 0 = aer disabled or not supported
3183 # 1 = aer supported and enabled (default)
3184 # Value range is [0,1]. Default value is 1.
3188 * lpfc_aer_support_store - Set the adapter for aer support
3190 * @dev: class device that is converted into a Scsi_host.
3191 * @attr: device attribute, not used.
3192 * @buf: containing enable or disable aer flag.
3193 * @count: unused variable.
3196 * If the val is 1 and currently the device's AER capability was not
3197 * enabled, invoke the kernel's enable AER helper routine, trying to
3198 * enable the device's AER capability. If the helper routine enabling
3199 * AER returns success, update the device's cfg_aer_support flag to
3200 * indicate AER is supported by the device; otherwise, if the device
3201 * AER capability is already enabled to support AER, then do nothing.
3203 * If the val is 0 and currently the device's AER support was enabled,
3204 * invoke the kernel's disable AER helper routine. After that, update
3205 * the device's cfg_aer_support flag to indicate AER is not supported
3206 * by the device; otherwise, if the device AER capability is already
3207 * disabled from supporting AER, then do nothing.
3210 * length of the buf on success if val is in range the intended mode
3212 * -EINVAL if val out of range or intended mode is not supported.
3215 lpfc_aer_support_store(struct device *dev, struct device_attribute *attr,
3216 const char *buf, size_t count)
3218 struct Scsi_Host *shost = class_to_shost(dev);
3219 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
3220 struct lpfc_hba *phba = vport->phba;
3221 int val = 0, rc = -EINVAL;
3223 if (!isdigit(buf[0]))
3225 if (sscanf(buf, "%i", &val) != 1)
3230 if (phba->hba_flag & HBA_AER_ENABLED) {
3231 rc = pci_disable_pcie_error_reporting(phba->pcidev);
3233 spin_lock_irq(&phba->hbalock);
3234 phba->hba_flag &= ~HBA_AER_ENABLED;
3235 spin_unlock_irq(&phba->hbalock);
3236 phba->cfg_aer_support = 0;
3241 phba->cfg_aer_support = 0;
3246 if (!(phba->hba_flag & HBA_AER_ENABLED)) {
3247 rc = pci_enable_pcie_error_reporting(phba->pcidev);
3249 spin_lock_irq(&phba->hbalock);
3250 phba->hba_flag |= HBA_AER_ENABLED;
3251 spin_unlock_irq(&phba->hbalock);
3252 phba->cfg_aer_support = 1;
3257 phba->cfg_aer_support = 1;
3268 static int lpfc_aer_support = 1;
3269 module_param(lpfc_aer_support, int, S_IRUGO);
3270 MODULE_PARM_DESC(lpfc_aer_support, "Enable PCIe device AER support");
3271 lpfc_param_show(aer_support)
3274 * lpfc_aer_support_init - Set the initial adapters aer support flag
3275 * @phba: lpfc_hba pointer.
3276 * @val: enable aer or disable aer flag.
3279 * If val is in a valid range [0,1], then set the adapter's initial
3280 * cfg_aer_support field. It will be up to the driver's probe_one
3281 * routine to determine whether the device's AER support can be set
3285 * If the value is not in range log a kernel error message, and
3286 * choose the default value of setting AER support and return.
3289 * zero if val saved.
3290 * -EINVAL val out of range
3293 lpfc_aer_support_init(struct lpfc_hba *phba, int val)
3295 if (val == 0 || val == 1) {
3296 phba->cfg_aer_support = val;
3299 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3300 "2712 lpfc_aer_support attribute value %d out "
3301 "of range, allowed values are 0|1, setting it "
3302 "to default value of 1\n", val);
3303 /* By default, try to enable AER on a device */
3304 phba->cfg_aer_support = 1;
3308 static DEVICE_ATTR(lpfc_aer_support, S_IRUGO | S_IWUSR,
3309 lpfc_aer_support_show, lpfc_aer_support_store);
3312 * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device
3313 * @dev: class device that is converted into a Scsi_host.
3314 * @attr: device attribute, not used.
3315 * @buf: containing flag 1 for aer cleanup state.
3316 * @count: unused variable.
3319 * If the @buf contains 1 and the device currently has the AER support
3320 * enabled, then invokes the kernel AER helper routine
3321 * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable
3322 * error status register.
3327 * -EINVAL if the buf does not contain the 1 or the device is not currently
3328 * enabled with the AER support.
3331 lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr,
3332 const char *buf, size_t count)
3334 struct Scsi_Host *shost = class_to_shost(dev);
3335 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3336 struct lpfc_hba *phba = vport->phba;
3339 if (!isdigit(buf[0]))
3341 if (sscanf(buf, "%i", &val) != 1)
3346 if (phba->hba_flag & HBA_AER_ENABLED)
3347 rc = pci_cleanup_aer_uncorrect_error_status(phba->pcidev);
3355 static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL,
3356 lpfc_aer_cleanup_state);
3359 * lpfc_sriov_nr_virtfn_store - Enable the adapter for sr-iov virtual functions
3361 * @dev: class device that is converted into a Scsi_host.
3362 * @attr: device attribute, not used.
3363 * @buf: containing the string the number of vfs to be enabled.
3364 * @count: unused variable.
3367 * When this api is called either through user sysfs, the driver shall
3368 * try to enable or disable SR-IOV virtual functions according to the
3371 * If zero virtual function has been enabled to the physical function,
3372 * the driver shall invoke the pci enable virtual function api trying
3373 * to enable the virtual functions. If the nr_vfn provided is greater
3374 * than the maximum supported, the maximum virtual function number will
3375 * be used for invoking the api; otherwise, the nr_vfn provided shall
3376 * be used for invoking the api. If the api call returned success, the
3377 * actual number of virtual functions enabled will be set to the driver
3378 * cfg_sriov_nr_virtfn; otherwise, -EINVAL shall be returned and driver
3379 * cfg_sriov_nr_virtfn remains zero.
3381 * If none-zero virtual functions have already been enabled to the
3382 * physical function, as reflected by the driver's cfg_sriov_nr_virtfn,
3383 * -EINVAL will be returned and the driver does nothing;
3385 * If the nr_vfn provided is zero and none-zero virtual functions have
3386 * been enabled, as indicated by the driver's cfg_sriov_nr_virtfn, the
3387 * disabling virtual function api shall be invoded to disable all the
3388 * virtual functions and driver's cfg_sriov_nr_virtfn shall be set to
3389 * zero. Otherwise, if zero virtual function has been enabled, do
3393 * length of the buf on success if val is in range the intended mode
3395 * -EINVAL if val out of range or intended mode is not supported.
3398 lpfc_sriov_nr_virtfn_store(struct device *dev, struct device_attribute *attr,
3399 const char *buf, size_t count)
3401 struct Scsi_Host *shost = class_to_shost(dev);
3402 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
3403 struct lpfc_hba *phba = vport->phba;
3404 struct pci_dev *pdev = phba->pcidev;
3405 int val = 0, rc = -EINVAL;
3407 /* Sanity check on user data */
3408 if (!isdigit(buf[0]))
3410 if (sscanf(buf, "%i", &val) != 1)
3415 /* Request disabling virtual functions */
3417 if (phba->cfg_sriov_nr_virtfn > 0) {
3418 pci_disable_sriov(pdev);
3419 phba->cfg_sriov_nr_virtfn = 0;
3424 /* Request enabling virtual functions */
3425 if (phba->cfg_sriov_nr_virtfn > 0) {
3426 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3427 "3018 There are %d virtual functions "
3428 "enabled on physical function.\n",
3429 phba->cfg_sriov_nr_virtfn);
3433 if (val <= LPFC_MAX_VFN_PER_PFN)
3434 phba->cfg_sriov_nr_virtfn = val;
3436 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3437 "3019 Enabling %d virtual functions is not "
3442 rc = lpfc_sli_probe_sriov_nr_virtfn(phba, phba->cfg_sriov_nr_virtfn);
3444 phba->cfg_sriov_nr_virtfn = 0;
3452 static int lpfc_sriov_nr_virtfn = LPFC_DEF_VFN_PER_PFN;
3453 module_param(lpfc_sriov_nr_virtfn, int, S_IRUGO|S_IWUSR);
3454 MODULE_PARM_DESC(lpfc_sriov_nr_virtfn, "Enable PCIe device SR-IOV virtual fn");
3455 lpfc_param_show(sriov_nr_virtfn)
3458 * lpfc_sriov_nr_virtfn_init - Set the initial sr-iov virtual function enable
3459 * @phba: lpfc_hba pointer.
3460 * @val: link speed value.
3463 * If val is in a valid range [0,255], then set the adapter's initial
3464 * cfg_sriov_nr_virtfn field. If it's greater than the maximum, the maximum
3465 * number shall be used instead. It will be up to the driver's probe_one
3466 * routine to determine whether the device's SR-IOV is supported or not.
3469 * zero if val saved.
3470 * -EINVAL val out of range
3473 lpfc_sriov_nr_virtfn_init(struct lpfc_hba *phba, int val)
3475 if (val >= 0 && val <= LPFC_MAX_VFN_PER_PFN) {
3476 phba->cfg_sriov_nr_virtfn = val;
3480 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3481 "3017 Enabling %d virtual functions is not "
3485 static DEVICE_ATTR(lpfc_sriov_nr_virtfn, S_IRUGO | S_IWUSR,
3486 lpfc_sriov_nr_virtfn_show, lpfc_sriov_nr_virtfn_store);
3489 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
3490 # Value range is [2,3]. Default value is 3.
3492 LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3,
3493 "Select Fibre Channel class of service for FCP sequences");
3496 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
3497 # is [0,1]. Default value is 0.
3499 LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1,
3500 "Use ADISC on rediscovery to authenticate FCP devices");
3503 # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue
3504 # depth. Default value is 0. When the value of this parameter is zero the
3505 # SCSI command completion time is not used for controlling I/O queue depth. When
3506 # the parameter is set to a non-zero value, the I/O queue depth is controlled
3507 # to limit the I/O completion time to the parameter value.
3508 # The value is set in milliseconds.
3510 static int lpfc_max_scsicmpl_time;
3511 module_param(lpfc_max_scsicmpl_time, int, S_IRUGO);
3512 MODULE_PARM_DESC(lpfc_max_scsicmpl_time,
3513 "Use command completion time to control queue depth");
3514 lpfc_vport_param_show(max_scsicmpl_time);
3515 lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000);
3517 lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val)
3519 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3520 struct lpfc_nodelist *ndlp, *next_ndlp;
3522 if (val == vport->cfg_max_scsicmpl_time)
3524 if ((val < 0) || (val > 60000))
3526 vport->cfg_max_scsicmpl_time = val;
3528 spin_lock_irq(shost->host_lock);
3529 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
3530 if (!NLP_CHK_NODE_ACT(ndlp))
3532 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
3534 ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth;
3536 spin_unlock_irq(shost->host_lock);
3539 lpfc_vport_param_store(max_scsicmpl_time);
3540 static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR,
3541 lpfc_max_scsicmpl_time_show,
3542 lpfc_max_scsicmpl_time_store);
3545 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
3546 # range is [0,1]. Default value is 0.
3548 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
3551 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
3552 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
3553 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
3554 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
3555 # cr_delay is set to 0.
3557 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
3558 "interrupt response is generated");
3560 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
3561 "interrupt response is generated");
3564 # lpfc_multi_ring_support: Determines how many rings to spread available
3565 # cmd/rsp IOCB entries across.
3566 # Value range is [1,2]. Default value is 1.
3568 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
3569 "SLI rings to spread IOCB entries across");
3572 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
3573 # identifies what rctl value to configure the additional ring for.
3574 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
3576 LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1,
3577 255, "Identifies RCTL for additional ring configuration");
3580 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
3581 # identifies what type value to configure the additional ring for.
3582 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
3584 LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1,
3585 255, "Identifies TYPE for additional ring configuration");
3588 # lpfc_fdmi_on: controls FDMI support.
3589 # 0 = no FDMI support
3590 # 1 = support FDMI without attribute of hostname
3591 # 2 = support FDMI with attribute of hostname
3592 # Value range [0,2]. Default value is 0.
3594 LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
3597 # Specifies the maximum number of ELS cmds we can have outstanding (for
3598 # discovery). Value range is [1,64]. Default value = 32.
3600 LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
3601 "during discovery");
3604 # lpfc_max_luns: maximum allowed LUN.
3605 # Value range is [0,65535]. Default value is 255.
3606 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
3608 LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN");
3611 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
3612 # Value range is [1,255], default value is 10.
3614 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
3615 "Milliseconds driver will wait between polling FCP ring");
3618 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
3619 # support this feature
3622 # 2 = MSI-X enabled (default)
3623 # Value range is [0,2]. Default value is 2.
3625 LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or "
3626 "MSI-X (2), if possible");
3629 # lpfc_fcp_imax: Set the maximum number of fast-path FCP interrupts per second
3631 # Value range is [636,651042]. Default value is 10000.
3633 LPFC_ATTR_R(fcp_imax, LPFC_FP_DEF_IMAX, LPFC_MIM_IMAX, LPFC_DMULT_CONST,
3634 "Set the maximum number of fast-path FCP interrupts per second");
3637 # lpfc_fcp_wq_count: Set the number of fast-path FCP work queues
3639 # Value range is [1,31]. Default value is 4.
3641 LPFC_ATTR_R(fcp_wq_count, LPFC_FP_WQN_DEF, LPFC_FP_WQN_MIN, LPFC_FP_WQN_MAX,
3642 "Set the number of fast-path FCP work queues, if possible");
3645 # lpfc_fcp_eq_count: Set the number of fast-path FCP event queues
3647 # Value range is [1,7]. Default value is 1.
3649 LPFC_ATTR_R(fcp_eq_count, LPFC_FP_EQN_DEF, LPFC_FP_EQN_MIN, LPFC_FP_EQN_MAX,
3650 "Set the number of fast-path FCP event queues, if possible");
3653 # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
3654 # 0 = HBA resets disabled
3655 # 1 = HBA resets enabled (default)
3656 # Value range is [0,1]. Default value is 1.
3658 LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver.");
3661 # lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer..
3662 # 0 = HBA Heartbeat disabled
3663 # 1 = HBA Heartbeat enabled (default)
3664 # Value range is [0,1]. Default value is 1.
3666 LPFC_ATTR_R(enable_hba_heartbeat, 0, 0, 1, "Enable HBA Heartbeat.");
3669 # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF)
3670 # 0 = BlockGuard disabled (default)
3671 # 1 = BlockGuard enabled
3672 # Value range is [0,1]. Default value is 0.
3674 LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support");
3678 # - Bit mask of host protection capabilities used to register with the
3680 # - Only meaningful if BG is turned on (lpfc_enable_bg=1).
3681 # - Allows you to ultimately specify which profiles to use
3682 # - Default will result in registering capabilities for all profiles.
3685 unsigned int lpfc_prot_mask = SHOST_DIF_TYPE1_PROTECTION |
3686 SHOST_DIX_TYPE0_PROTECTION |
3687 SHOST_DIX_TYPE1_PROTECTION;
3689 module_param(lpfc_prot_mask, uint, S_IRUGO);
3690 MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask");
3693 # lpfc_prot_guard: i
3694 # - Bit mask of protection guard types to register with the SCSI mid-layer
3695 # - Guard types are currently either 1) IP checksum 2) T10-DIF CRC
3696 # - Allows you to ultimately specify which profiles to use
3697 # - Default will result in registering capabilities for all guard types
3700 unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP;
3701 module_param(lpfc_prot_guard, byte, S_IRUGO);
3702 MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type");
3705 * Delay initial NPort discovery when Clean Address bit is cleared in
3706 * FLOGI/FDISC accept and FCID/Fabric name/Fabric portname is changed.
3707 * This parameter can have value 0 or 1.
3708 * When this parameter is set to 0, no delay is added to the initial
3710 * When this parameter is set to non-zero value, initial Nport discovery is
3711 * delayed by ra_tov seconds when Clean Address bit is cleared in FLOGI/FDISC
3712 * accept and FCID/Fabric name/Fabric portname is changed.
3713 * Driver always delay Nport discovery for subsequent FLOGI/FDISC completion
3714 * when Clean Address bit is cleared in FLOGI/FDISC
3715 * accept and FCID/Fabric name/Fabric portname is changed.
3716 * Default value is 0.
3718 int lpfc_delay_discovery;
3719 module_param(lpfc_delay_discovery, int, S_IRUGO);
3720 MODULE_PARM_DESC(lpfc_delay_discovery,
3721 "Delay NPort discovery when Clean Address bit is cleared. "
3722 "Allowed values: 0,1.");
3725 * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count
3726 * This value can be set to values between 64 and 256. The default value is
3727 * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer
3728 * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE).
3730 LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT,
3731 LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count");
3733 LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_PROT_SG_SEG_CNT,
3734 LPFC_DEFAULT_PROT_SG_SEG_CNT, LPFC_MAX_PROT_SG_SEG_CNT,
3735 "Max Protection Scatter Gather Segment Count");
3737 struct device_attribute *lpfc_hba_attrs[] = {
3739 &dev_attr_bg_guard_err,
3740 &dev_attr_bg_apptag_err,
3741 &dev_attr_bg_reftag_err,
3743 &dev_attr_serialnum,
3744 &dev_attr_modeldesc,
3745 &dev_attr_modelname,
3746 &dev_attr_programtype,
3750 &dev_attr_option_rom_version,
3751 &dev_attr_link_state,
3752 &dev_attr_num_discovered_ports,
3753 &dev_attr_menlo_mgmt_mode,
3754 &dev_attr_lpfc_drvr_version,
3755 &dev_attr_lpfc_enable_fip,
3756 &dev_attr_lpfc_temp_sensor,
3757 &dev_attr_lpfc_log_verbose,
3758 &dev_attr_lpfc_lun_queue_depth,
3759 &dev_attr_lpfc_tgt_queue_depth,
3760 &dev_attr_lpfc_hba_queue_depth,
3761 &dev_attr_lpfc_peer_port_login,
3762 &dev_attr_lpfc_nodev_tmo,
3763 &dev_attr_lpfc_devloss_tmo,
3764 &dev_attr_lpfc_fcp_class,
3765 &dev_attr_lpfc_use_adisc,
3766 &dev_attr_lpfc_ack0,
3767 &dev_attr_lpfc_topology,
3768 &dev_attr_lpfc_scan_down,
3769 &dev_attr_lpfc_link_speed,
3770 &dev_attr_lpfc_cr_delay,
3771 &dev_attr_lpfc_cr_count,
3772 &dev_attr_lpfc_multi_ring_support,
3773 &dev_attr_lpfc_multi_ring_rctl,
3774 &dev_attr_lpfc_multi_ring_type,
3775 &dev_attr_lpfc_fdmi_on,
3776 &dev_attr_lpfc_max_luns,
3777 &dev_attr_lpfc_enable_npiv,
3778 &dev_attr_lpfc_enable_rrq,
3779 &dev_attr_nport_evt_cnt,
3780 &dev_attr_board_mode,
3787 &dev_attr_npiv_info,
3788 &dev_attr_issue_reset,
3789 &dev_attr_lpfc_poll,
3790 &dev_attr_lpfc_poll_tmo,
3791 &dev_attr_lpfc_use_msi,
3792 &dev_attr_lpfc_fcp_imax,
3793 &dev_attr_lpfc_fcp_wq_count,
3794 &dev_attr_lpfc_fcp_eq_count,
3795 &dev_attr_lpfc_enable_bg,
3796 &dev_attr_lpfc_soft_wwnn,
3797 &dev_attr_lpfc_soft_wwpn,
3798 &dev_attr_lpfc_soft_wwn_enable,
3799 &dev_attr_lpfc_enable_hba_reset,
3800 &dev_attr_lpfc_enable_hba_heartbeat,
3801 &dev_attr_lpfc_sg_seg_cnt,
3802 &dev_attr_lpfc_max_scsicmpl_time,
3803 &dev_attr_lpfc_stat_data_ctrl,
3804 &dev_attr_lpfc_prot_sg_seg_cnt,
3805 &dev_attr_lpfc_aer_support,
3806 &dev_attr_lpfc_aer_state_cleanup,
3807 &dev_attr_lpfc_sriov_nr_virtfn,
3808 &dev_attr_lpfc_suppress_link_up,
3809 &dev_attr_lpfc_iocb_cnt,
3812 &dev_attr_txcmplq_hw,
3813 &dev_attr_lpfc_fips_level,
3814 &dev_attr_lpfc_fips_rev,
3816 &dev_attr_lpfc_sriov_hw_max_virtfn,
3820 struct device_attribute *lpfc_vport_attrs[] = {
3822 &dev_attr_link_state,
3823 &dev_attr_num_discovered_ports,
3824 &dev_attr_lpfc_drvr_version,
3825 &dev_attr_lpfc_log_verbose,
3826 &dev_attr_lpfc_lun_queue_depth,
3827 &dev_attr_lpfc_tgt_queue_depth,
3828 &dev_attr_lpfc_nodev_tmo,
3829 &dev_attr_lpfc_devloss_tmo,
3830 &dev_attr_lpfc_hba_queue_depth,
3831 &dev_attr_lpfc_peer_port_login,
3832 &dev_attr_lpfc_restrict_login,
3833 &dev_attr_lpfc_fcp_class,
3834 &dev_attr_lpfc_use_adisc,
3835 &dev_attr_lpfc_fdmi_on,
3836 &dev_attr_lpfc_max_luns,
3837 &dev_attr_nport_evt_cnt,
3838 &dev_attr_npiv_info,
3839 &dev_attr_lpfc_enable_da_id,
3840 &dev_attr_lpfc_max_scsicmpl_time,
3841 &dev_attr_lpfc_stat_data_ctrl,
3842 &dev_attr_lpfc_static_vport,
3843 &dev_attr_lpfc_fips_level,
3844 &dev_attr_lpfc_fips_rev,
3849 * sysfs_ctlreg_write - Write method for writing to ctlreg
3850 * @filp: open sysfs file
3851 * @kobj: kernel kobject that contains the kernel class device.
3852 * @bin_attr: kernel attributes passed to us.
3853 * @buf: contains the data to be written to the adapter IOREG space.
3854 * @off: offset into buffer to beginning of data.
3855 * @count: bytes to transfer.
3858 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
3859 * Uses the adapter io control registers to send buf contents to the adapter.
3862 * -ERANGE off and count combo out of range
3863 * -EINVAL off, count or buff address invalid
3864 * -EPERM adapter is offline
3865 * value of count, buf contents written
3868 sysfs_ctlreg_write(struct file *filp, struct kobject *kobj,
3869 struct bin_attribute *bin_attr,
3870 char *buf, loff_t off, size_t count)
3873 struct device *dev = container_of(kobj, struct device, kobj);
3874 struct Scsi_Host *shost = class_to_shost(dev);
3875 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3876 struct lpfc_hba *phba = vport->phba;
3878 if (phba->sli_rev >= LPFC_SLI_REV4)
3881 if ((off + count) > FF_REG_AREA_SIZE)
3884 if (count == 0) return 0;
3886 if (off % 4 || count % 4 || (unsigned long)buf % 4)
3889 if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
3893 spin_lock_irq(&phba->hbalock);
3894 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
3895 writel(*((uint32_t *)(buf + buf_off)),
3896 phba->ctrl_regs_memmap_p + off + buf_off);
3898 spin_unlock_irq(&phba->hbalock);
3904 * sysfs_ctlreg_read - Read method for reading from ctlreg
3905 * @filp: open sysfs file
3906 * @kobj: kernel kobject that contains the kernel class device.
3907 * @bin_attr: kernel attributes passed to us.
3908 * @buf: if successful contains the data from the adapter IOREG space.
3909 * @off: offset into buffer to beginning of data.
3910 * @count: bytes to transfer.
3913 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
3914 * Uses the adapter io control registers to read data into buf.
3917 * -ERANGE off and count combo out of range
3918 * -EINVAL off, count or buff address invalid
3919 * value of count, buf contents read
3922 sysfs_ctlreg_read(struct file *filp, struct kobject *kobj,
3923 struct bin_attribute *bin_attr,
3924 char *buf, loff_t off, size_t count)
3928 struct device *dev = container_of(kobj, struct device, kobj);
3929 struct Scsi_Host *shost = class_to_shost(dev);
3930 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3931 struct lpfc_hba *phba = vport->phba;
3933 if (phba->sli_rev >= LPFC_SLI_REV4)
3936 if (off > FF_REG_AREA_SIZE)
3939 if ((off + count) > FF_REG_AREA_SIZE)
3940 count = FF_REG_AREA_SIZE - off;
3942 if (count == 0) return 0;
3944 if (off % 4 || count % 4 || (unsigned long)buf % 4)
3947 spin_lock_irq(&phba->hbalock);
3949 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
3950 tmp_ptr = (uint32_t *)(buf + buf_off);
3951 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
3954 spin_unlock_irq(&phba->hbalock);
3959 static struct bin_attribute sysfs_ctlreg_attr = {
3962 .mode = S_IRUSR | S_IWUSR,
3965 .read = sysfs_ctlreg_read,
3966 .write = sysfs_ctlreg_write,
3970 * sysfs_mbox_idle - frees the sysfs mailbox
3971 * @phba: lpfc_hba pointer
3974 sysfs_mbox_idle(struct lpfc_hba *phba)
3976 phba->sysfs_mbox.state = SMBOX_IDLE;
3977 phba->sysfs_mbox.offset = 0;
3979 if (phba->sysfs_mbox.mbox) {
3980 mempool_free(phba->sysfs_mbox.mbox,
3981 phba->mbox_mem_pool);
3982 phba->sysfs_mbox.mbox = NULL;
3987 * sysfs_mbox_write - Write method for writing information via mbox
3988 * @filp: open sysfs file
3989 * @kobj: kernel kobject that contains the kernel class device.
3990 * @bin_attr: kernel attributes passed to us.
3991 * @buf: contains the data to be written to sysfs mbox.
3992 * @off: offset into buffer to beginning of data.
3993 * @count: bytes to transfer.
3996 * Accessed via /sys/class/scsi_host/hostxxx/mbox.
3997 * Uses the sysfs mbox to send buf contents to the adapter.
4000 * -ERANGE off and count combo out of range
4001 * -EINVAL off, count or buff address invalid
4002 * zero if count is zero
4003 * -EPERM adapter is offline
4004 * -ENOMEM failed to allocate memory for the mail box
4005 * -EAGAIN offset, state or mbox is NULL
4006 * count number of bytes transferred
4009 sysfs_mbox_write(struct file *filp, struct kobject *kobj,
4010 struct bin_attribute *bin_attr,
4011 char *buf, loff_t off, size_t count)
4013 struct device *dev = container_of(kobj, struct device, kobj);
4014 struct Scsi_Host *shost = class_to_shost(dev);
4015 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4016 struct lpfc_hba *phba = vport->phba;
4017 struct lpfcMboxq *mbox = NULL;
4019 if ((count + off) > MAILBOX_CMD_SIZE)
4022 if (off % 4 || count % 4 || (unsigned long)buf % 4)
4029 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4032 memset(mbox, 0, sizeof (LPFC_MBOXQ_t));
4035 spin_lock_irq(&phba->hbalock);
4038 if (phba->sysfs_mbox.mbox)
4039 mempool_free(mbox, phba->mbox_mem_pool);
4041 phba->sysfs_mbox.mbox = mbox;
4042 phba->sysfs_mbox.state = SMBOX_WRITING;
4044 if (phba->sysfs_mbox.state != SMBOX_WRITING ||
4045 phba->sysfs_mbox.offset != off ||
4046 phba->sysfs_mbox.mbox == NULL) {
4047 sysfs_mbox_idle(phba);
4048 spin_unlock_irq(&phba->hbalock);
4053 memcpy((uint8_t *) &phba->sysfs_mbox.mbox->u.mb + off,
4056 phba->sysfs_mbox.offset = off + count;
4058 spin_unlock_irq(&phba->hbalock);
4064 * sysfs_mbox_read - Read method for reading information via mbox
4065 * @filp: open sysfs file
4066 * @kobj: kernel kobject that contains the kernel class device.
4067 * @bin_attr: kernel attributes passed to us.
4068 * @buf: contains the data to be read from sysfs mbox.
4069 * @off: offset into buffer to beginning of data.
4070 * @count: bytes to transfer.
4073 * Accessed via /sys/class/scsi_host/hostxxx/mbox.
4074 * Uses the sysfs mbox to receive data from to the adapter.
4077 * -ERANGE off greater than mailbox command size
4078 * -EINVAL off, count or buff address invalid
4079 * zero if off and count are zero
4080 * -EACCES adapter over temp
4081 * -EPERM garbage can value to catch a multitude of errors
4082 * -EAGAIN management IO not permitted, state or off error
4083 * -ETIME mailbox timeout
4084 * -ENODEV mailbox error
4085 * count number of bytes transferred
4088 sysfs_mbox_read(struct file *filp, struct kobject *kobj,
4089 struct bin_attribute *bin_attr,
4090 char *buf, loff_t off, size_t count)
4092 struct device *dev = container_of(kobj, struct device, kobj);
4093 struct Scsi_Host *shost = class_to_shost(dev);
4094 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4095 struct lpfc_hba *phba = vport->phba;
4099 if (off > MAILBOX_CMD_SIZE)
4102 if ((count + off) > MAILBOX_CMD_SIZE)
4103 count = MAILBOX_CMD_SIZE - off;
4105 if (off % 4 || count % 4 || (unsigned long)buf % 4)
4108 if (off && count == 0)
4111 spin_lock_irq(&phba->hbalock);
4113 if (phba->over_temp_state == HBA_OVER_TEMP) {
4114 sysfs_mbox_idle(phba);
4115 spin_unlock_irq(&phba->hbalock);
4120 phba->sysfs_mbox.state == SMBOX_WRITING &&
4121 phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
4122 pmb = &phba->sysfs_mbox.mbox->u.mb;
4123 switch (pmb->mbxCommand) {
4127 case MBX_CONFIG_LINK:
4128 case MBX_CONFIG_RING:
4129 case MBX_RESET_RING:
4130 case MBX_UNREG_LOGIN:
4132 case MBX_DUMP_CONTEXT:
4137 if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
4138 printk(KERN_WARNING "mbox_read:Command 0x%x "
4139 "is illegal in on-line state\n",
4141 sysfs_mbox_idle(phba);
4142 spin_unlock_irq(&phba->hbalock);
4146 case MBX_WRITE_VPARMS:
4149 case MBX_READ_CONFIG:
4150 case MBX_READ_RCONFIG:
4151 case MBX_READ_STATUS:
4154 case MBX_READ_LNK_STAT:
4155 case MBX_DUMP_MEMORY:
4157 case MBX_UPDATE_CFG:
4158 case MBX_KILL_BOARD:
4160 case MBX_LOAD_EXP_ROM:
4162 case MBX_DEL_LD_ENTRY:
4163 case MBX_SET_VARIABLE:
4165 case MBX_PORT_CAPABILITIES:
4166 case MBX_PORT_IOV_CONTROL:
4168 case MBX_SECURITY_MGMT:
4170 if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) {
4171 printk(KERN_WARNING "mbox_read:Command 0x%x "
4172 "is not permitted\n", pmb->mbxCommand);
4173 sysfs_mbox_idle(phba);
4174 spin_unlock_irq(&phba->hbalock);
4178 case MBX_READ_SPARM64:
4179 case MBX_READ_TOPOLOGY:
4181 case MBX_REG_LOGIN64:
4182 case MBX_CONFIG_PORT:
4183 case MBX_RUN_BIU_DIAG:
4184 printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
4186 sysfs_mbox_idle(phba);
4187 spin_unlock_irq(&phba->hbalock);
4190 printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
4192 sysfs_mbox_idle(phba);
4193 spin_unlock_irq(&phba->hbalock);
4197 /* If HBA encountered an error attention, allow only DUMP
4198 * or RESTART mailbox commands until the HBA is restarted.
4200 if (phba->pport->stopped &&
4201 pmb->mbxCommand != MBX_DUMP_MEMORY &&
4202 pmb->mbxCommand != MBX_RESTART &&
4203 pmb->mbxCommand != MBX_WRITE_VPARMS &&
4204 pmb->mbxCommand != MBX_WRITE_WWN)
4205 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
4206 "1259 mbox: Issued mailbox cmd "
4207 "0x%x while in stopped state.\n",
4210 phba->sysfs_mbox.mbox->vport = vport;
4212 /* Don't allow mailbox commands to be sent when blocked
4213 * or when in the middle of discovery
4215 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
4216 sysfs_mbox_idle(phba);
4217 spin_unlock_irq(&phba->hbalock);
4221 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
4222 (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) {
4224 spin_unlock_irq(&phba->hbalock);
4225 rc = lpfc_sli_issue_mbox (phba,
4226 phba->sysfs_mbox.mbox,
4228 spin_lock_irq(&phba->hbalock);
4231 spin_unlock_irq(&phba->hbalock);
4232 rc = lpfc_sli_issue_mbox_wait (phba,
4233 phba->sysfs_mbox.mbox,
4234 lpfc_mbox_tmo_val(phba, pmb->mbxCommand) * HZ);
4235 spin_lock_irq(&phba->hbalock);
4238 if (rc != MBX_SUCCESS) {
4239 if (rc == MBX_TIMEOUT) {
4240 phba->sysfs_mbox.mbox = NULL;
4242 sysfs_mbox_idle(phba);
4243 spin_unlock_irq(&phba->hbalock);
4244 return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
4246 phba->sysfs_mbox.state = SMBOX_READING;
4248 else if (phba->sysfs_mbox.offset != off ||
4249 phba->sysfs_mbox.state != SMBOX_READING) {
4250 printk(KERN_WARNING "mbox_read: Bad State\n");
4251 sysfs_mbox_idle(phba);
4252 spin_unlock_irq(&phba->hbalock);
4256 memcpy(buf, (uint8_t *) &pmb + off, count);
4258 phba->sysfs_mbox.offset = off + count;
4260 if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE)
4261 sysfs_mbox_idle(phba);
4263 spin_unlock_irq(&phba->hbalock);
4268 static struct bin_attribute sysfs_mbox_attr = {
4271 .mode = S_IRUSR | S_IWUSR,
4273 .size = MAILBOX_SYSFS_MAX,
4274 .read = sysfs_mbox_read,
4275 .write = sysfs_mbox_write,
4279 * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries
4280 * @vport: address of lpfc vport structure.
4284 * error return code from sysfs_create_bin_file()
4287 lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
4289 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4292 error = sysfs_create_bin_file(&shost->shost_dev.kobj,
4293 &sysfs_drvr_stat_data_attr);
4295 /* Virtual ports do not need ctrl_reg and mbox */
4296 if (error || vport->port_type == LPFC_NPIV_PORT)
4299 error = sysfs_create_bin_file(&shost->shost_dev.kobj,
4300 &sysfs_ctlreg_attr);
4302 goto out_remove_stat_attr;
4304 error = sysfs_create_bin_file(&shost->shost_dev.kobj,
4307 goto out_remove_ctlreg_attr;
4310 out_remove_ctlreg_attr:
4311 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
4312 out_remove_stat_attr:
4313 sysfs_remove_bin_file(&shost->shost_dev.kobj,
4314 &sysfs_drvr_stat_data_attr);
4320 * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries
4321 * @vport: address of lpfc vport structure.
4324 lpfc_free_sysfs_attr(struct lpfc_vport *vport)
4326 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4327 sysfs_remove_bin_file(&shost->shost_dev.kobj,
4328 &sysfs_drvr_stat_data_attr);
4329 /* Virtual ports do not need ctrl_reg and mbox */
4330 if (vport->port_type == LPFC_NPIV_PORT)
4332 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr);
4333 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
4338 * Dynamic FC Host Attributes Support
4342 * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id
4343 * @shost: kernel scsi host pointer.
4346 lpfc_get_host_port_id(struct Scsi_Host *shost)
4348 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4350 /* note: fc_myDID already in cpu endianness */
4351 fc_host_port_id(shost) = vport->fc_myDID;
4355 * lpfc_get_host_port_type - Set the value of the scsi host port type
4356 * @shost: kernel scsi host pointer.
4359 lpfc_get_host_port_type(struct Scsi_Host *shost)
4361 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4362 struct lpfc_hba *phba = vport->phba;
4364 spin_lock_irq(shost->host_lock);
4366 if (vport->port_type == LPFC_NPIV_PORT) {
4367 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
4368 } else if (lpfc_is_link_up(phba)) {
4369 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
4370 if (vport->fc_flag & FC_PUBLIC_LOOP)
4371 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
4373 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
4375 if (vport->fc_flag & FC_FABRIC)
4376 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
4378 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
4381 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
4383 spin_unlock_irq(shost->host_lock);
4387 * lpfc_get_host_port_state - Set the value of the scsi host port state
4388 * @shost: kernel scsi host pointer.
4391 lpfc_get_host_port_state(struct Scsi_Host *shost)
4393 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4394 struct lpfc_hba *phba = vport->phba;
4396 spin_lock_irq(shost->host_lock);
4398 if (vport->fc_flag & FC_OFFLINE_MODE)
4399 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
4401 switch (phba->link_state) {
4402 case LPFC_LINK_UNKNOWN:
4403 case LPFC_LINK_DOWN:
4404 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
4408 case LPFC_HBA_READY:
4409 /* Links up, beyond this port_type reports state */
4410 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
4412 case LPFC_HBA_ERROR:
4413 fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
4416 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
4421 spin_unlock_irq(shost->host_lock);
4425 * lpfc_get_host_speed - Set the value of the scsi host speed
4426 * @shost: kernel scsi host pointer.
4429 lpfc_get_host_speed(struct Scsi_Host *shost)
4431 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4432 struct lpfc_hba *phba = vport->phba;
4434 spin_lock_irq(shost->host_lock);
4436 if (lpfc_is_link_up(phba)) {
4437 switch(phba->fc_linkspeed) {
4438 case LPFC_LINK_SPEED_1GHZ:
4439 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
4441 case LPFC_LINK_SPEED_2GHZ:
4442 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
4444 case LPFC_LINK_SPEED_4GHZ:
4445 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
4447 case LPFC_LINK_SPEED_8GHZ:
4448 fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
4450 case LPFC_LINK_SPEED_10GHZ:
4451 fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
4453 case LPFC_LINK_SPEED_16GHZ:
4454 fc_host_speed(shost) = FC_PORTSPEED_16GBIT;
4457 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
4461 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
4463 spin_unlock_irq(shost->host_lock);
4467 * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name
4468 * @shost: kernel scsi host pointer.
4471 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
4473 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4474 struct lpfc_hba *phba = vport->phba;
4477 spin_lock_irq(shost->host_lock);
4479 if ((vport->fc_flag & FC_FABRIC) ||
4480 ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) &&
4481 (vport->fc_flag & FC_PUBLIC_LOOP)))
4482 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
4484 /* fabric is local port if there is no F/FL_Port */
4487 spin_unlock_irq(shost->host_lock);
4489 fc_host_fabric_name(shost) = node_name;
4493 * lpfc_get_stats - Return statistical information about the adapter
4494 * @shost: kernel scsi host pointer.
4497 * NULL on error for link down, no mbox pool, sli2 active,
4498 * management not allowed, memory allocation error, or mbox error.
4502 * address of the adapter host statistics
4504 static struct fc_host_statistics *
4505 lpfc_get_stats(struct Scsi_Host *shost)
4507 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4508 struct lpfc_hba *phba = vport->phba;
4509 struct lpfc_sli *psli = &phba->sli;
4510 struct fc_host_statistics *hs = &phba->link_stats;
4511 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
4512 LPFC_MBOXQ_t *pmboxq;
4514 unsigned long seconds;
4518 * prevent udev from issuing mailbox commands until the port is
4521 if (phba->link_state < LPFC_LINK_DOWN ||
4522 !phba->mbox_mem_pool ||
4523 (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0)
4526 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
4529 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4532 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
4534 pmb = &pmboxq->u.mb;
4535 pmb->mbxCommand = MBX_READ_STATUS;
4536 pmb->mbxOwner = OWN_HOST;
4537 pmboxq->context1 = NULL;
4538 pmboxq->vport = vport;
4540 if (vport->fc_flag & FC_OFFLINE_MODE)
4541 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
4543 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
4545 if (rc != MBX_SUCCESS) {
4546 if (rc != MBX_TIMEOUT)
4547 mempool_free(pmboxq, phba->mbox_mem_pool);
4551 memset(hs, 0, sizeof (struct fc_host_statistics));
4553 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
4554 hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
4555 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
4556 hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
4558 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
4559 pmb->mbxCommand = MBX_READ_LNK_STAT;
4560 pmb->mbxOwner = OWN_HOST;
4561 pmboxq->context1 = NULL;
4562 pmboxq->vport = vport;
4564 if (vport->fc_flag & FC_OFFLINE_MODE)
4565 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
4567 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
4569 if (rc != MBX_SUCCESS) {
4570 if (rc != MBX_TIMEOUT)
4571 mempool_free(pmboxq, phba->mbox_mem_pool);
4575 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
4576 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
4577 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
4578 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
4579 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
4580 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
4581 hs->error_frames = pmb->un.varRdLnk.crcCnt;
4583 hs->link_failure_count -= lso->link_failure_count;
4584 hs->loss_of_sync_count -= lso->loss_of_sync_count;
4585 hs->loss_of_signal_count -= lso->loss_of_signal_count;
4586 hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
4587 hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
4588 hs->invalid_crc_count -= lso->invalid_crc_count;
4589 hs->error_frames -= lso->error_frames;
4591 if (phba->hba_flag & HBA_FCOE_MODE) {
4593 hs->nos_count = (phba->link_events >> 1);
4594 hs->nos_count -= lso->link_events;
4595 } else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
4596 hs->lip_count = (phba->fc_eventTag >> 1);
4597 hs->lip_count -= lso->link_events;
4601 hs->nos_count = (phba->fc_eventTag >> 1);
4602 hs->nos_count -= lso->link_events;
4605 hs->dumped_frames = -1;
4607 seconds = get_seconds();
4608 if (seconds < psli->stats_start)
4609 hs->seconds_since_last_reset = seconds +
4610 ((unsigned long)-1 - psli->stats_start);
4612 hs->seconds_since_last_reset = seconds - psli->stats_start;
4614 mempool_free(pmboxq, phba->mbox_mem_pool);
4620 * lpfc_reset_stats - Copy the adapter link stats information
4621 * @shost: kernel scsi host pointer.
4624 lpfc_reset_stats(struct Scsi_Host *shost)
4626 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4627 struct lpfc_hba *phba = vport->phba;
4628 struct lpfc_sli *psli = &phba->sli;
4629 struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets;
4630 LPFC_MBOXQ_t *pmboxq;
4634 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
4637 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4640 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
4642 pmb = &pmboxq->u.mb;
4643 pmb->mbxCommand = MBX_READ_STATUS;
4644 pmb->mbxOwner = OWN_HOST;
4645 pmb->un.varWords[0] = 0x1; /* reset request */
4646 pmboxq->context1 = NULL;
4647 pmboxq->vport = vport;
4649 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
4650 (!(psli->sli_flag & LPFC_SLI_ACTIVE)))
4651 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
4653 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
4655 if (rc != MBX_SUCCESS) {
4656 if (rc != MBX_TIMEOUT)
4657 mempool_free(pmboxq, phba->mbox_mem_pool);
4661 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
4662 pmb->mbxCommand = MBX_READ_LNK_STAT;
4663 pmb->mbxOwner = OWN_HOST;
4664 pmboxq->context1 = NULL;
4665 pmboxq->vport = vport;
4667 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
4668 (!(psli->sli_flag & LPFC_SLI_ACTIVE)))
4669 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
4671 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
4673 if (rc != MBX_SUCCESS) {
4674 if (rc != MBX_TIMEOUT)
4675 mempool_free( pmboxq, phba->mbox_mem_pool);
4679 lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
4680 lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
4681 lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
4682 lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
4683 lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
4684 lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
4685 lso->error_frames = pmb->un.varRdLnk.crcCnt;
4686 if (phba->hba_flag & HBA_FCOE_MODE)
4687 lso->link_events = (phba->link_events >> 1);
4689 lso->link_events = (phba->fc_eventTag >> 1);
4691 psli->stats_start = get_seconds();
4693 mempool_free(pmboxq, phba->mbox_mem_pool);
4699 * The LPFC driver treats linkdown handling as target loss events so there
4700 * are no sysfs handlers for link_down_tmo.
4704 * lpfc_get_node_by_target - Return the nodelist for a target
4705 * @starget: kernel scsi target pointer.
4708 * address of the node list if found
4709 * NULL target not found
4711 static struct lpfc_nodelist *
4712 lpfc_get_node_by_target(struct scsi_target *starget)
4714 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
4715 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4716 struct lpfc_nodelist *ndlp;
4718 spin_lock_irq(shost->host_lock);
4719 /* Search for this, mapped, target ID */
4720 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
4721 if (NLP_CHK_NODE_ACT(ndlp) &&
4722 ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
4723 starget->id == ndlp->nlp_sid) {
4724 spin_unlock_irq(shost->host_lock);
4728 spin_unlock_irq(shost->host_lock);
4733 * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1
4734 * @starget: kernel scsi target pointer.
4737 lpfc_get_starget_port_id(struct scsi_target *starget)
4739 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
4741 fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
4745 * lpfc_get_starget_node_name - Set the target node name
4746 * @starget: kernel scsi target pointer.
4748 * Description: Set the target node name to the ndlp node name wwn or zero.
4751 lpfc_get_starget_node_name(struct scsi_target *starget)
4753 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
4755 fc_starget_node_name(starget) =
4756 ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
4760 * lpfc_get_starget_port_name - Set the target port name
4761 * @starget: kernel scsi target pointer.
4763 * Description: set the target port name to the ndlp port name wwn or zero.
4766 lpfc_get_starget_port_name(struct scsi_target *starget)
4768 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
4770 fc_starget_port_name(starget) =
4771 ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
4775 * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo
4776 * @rport: fc rport address.
4777 * @timeout: new value for dev loss tmo.
4780 * If timeout is non zero set the dev_loss_tmo to timeout, else set
4781 * dev_loss_tmo to one.
4784 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
4787 rport->dev_loss_tmo = timeout;
4789 rport->dev_loss_tmo = 1;
4793 * lpfc_rport_show_function - Return rport target information
4796 * Macro that uses field to generate a function with the name lpfc_show_rport_
4798 * lpfc_show_rport_##field: returns the bytes formatted in buf
4799 * @cdev: class converted to an fc_rport.
4800 * @buf: on return contains the target_field or zero.
4802 * Returns: size of formatted string.
4804 #define lpfc_rport_show_function(field, format_string, sz, cast) \
4806 lpfc_show_rport_##field (struct device *dev, \
4807 struct device_attribute *attr, \
4810 struct fc_rport *rport = transport_class_to_rport(dev); \
4811 struct lpfc_rport_data *rdata = rport->hostdata; \
4812 return snprintf(buf, sz, format_string, \
4813 (rdata->target) ? cast rdata->target->field : 0); \
4816 #define lpfc_rport_rd_attr(field, format_string, sz) \
4817 lpfc_rport_show_function(field, format_string, sz, ) \
4818 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
4821 * lpfc_set_vport_symbolic_name - Set the vport's symbolic name
4822 * @fc_vport: The fc_vport who's symbolic name has been changed.
4825 * This function is called by the transport after the @fc_vport's symbolic name
4826 * has been changed. This function re-registers the symbolic name with the
4827 * switch to propagate the change into the fabric if the vport is active.
4830 lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport)
4832 struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data;
4834 if (vport->port_state == LPFC_VPORT_READY)
4835 lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0);
4839 * lpfc_hba_log_verbose_init - Set hba's log verbose level
4840 * @phba: Pointer to lpfc_hba struct.
4842 * This function is called by the lpfc_get_cfgparam() routine to set the
4843 * module lpfc_log_verbose into the @phba cfg_log_verbose for use with
4844 * log message according to the module's lpfc_log_verbose parameter setting
4845 * before hba port or vport created.
4848 lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose)
4850 phba->cfg_log_verbose = verbose;
4853 struct fc_function_template lpfc_transport_functions = {
4854 /* fixed attributes the driver supports */
4855 .show_host_node_name = 1,
4856 .show_host_port_name = 1,
4857 .show_host_supported_classes = 1,
4858 .show_host_supported_fc4s = 1,
4859 .show_host_supported_speeds = 1,
4860 .show_host_maxframe_size = 1,
4861 .show_host_symbolic_name = 1,
4863 /* dynamic attributes the driver supports */
4864 .get_host_port_id = lpfc_get_host_port_id,
4865 .show_host_port_id = 1,
4867 .get_host_port_type = lpfc_get_host_port_type,
4868 .show_host_port_type = 1,
4870 .get_host_port_state = lpfc_get_host_port_state,
4871 .show_host_port_state = 1,
4873 /* active_fc4s is shown but doesn't change (thus no get function) */
4874 .show_host_active_fc4s = 1,
4876 .get_host_speed = lpfc_get_host_speed,
4877 .show_host_speed = 1,
4879 .get_host_fabric_name = lpfc_get_host_fabric_name,
4880 .show_host_fabric_name = 1,
4883 * The LPFC driver treats linkdown handling as target loss events
4884 * so there are no sysfs handlers for link_down_tmo.
4887 .get_fc_host_stats = lpfc_get_stats,
4888 .reset_fc_host_stats = lpfc_reset_stats,
4890 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
4891 .show_rport_maxframe_size = 1,
4892 .show_rport_supported_classes = 1,
4894 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
4895 .show_rport_dev_loss_tmo = 1,
4897 .get_starget_port_id = lpfc_get_starget_port_id,
4898 .show_starget_port_id = 1,
4900 .get_starget_node_name = lpfc_get_starget_node_name,
4901 .show_starget_node_name = 1,
4903 .get_starget_port_name = lpfc_get_starget_port_name,
4904 .show_starget_port_name = 1,
4906 .issue_fc_host_lip = lpfc_issue_lip,
4907 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
4908 .terminate_rport_io = lpfc_terminate_rport_io,
4910 .dd_fcvport_size = sizeof(struct lpfc_vport *),
4912 .vport_disable = lpfc_vport_disable,
4914 .set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
4916 .bsg_request = lpfc_bsg_request,
4917 .bsg_timeout = lpfc_bsg_timeout,
4920 struct fc_function_template lpfc_vport_transport_functions = {
4921 /* fixed attributes the driver supports */
4922 .show_host_node_name = 1,
4923 .show_host_port_name = 1,
4924 .show_host_supported_classes = 1,
4925 .show_host_supported_fc4s = 1,
4926 .show_host_supported_speeds = 1,
4927 .show_host_maxframe_size = 1,
4928 .show_host_symbolic_name = 1,
4930 /* dynamic attributes the driver supports */
4931 .get_host_port_id = lpfc_get_host_port_id,
4932 .show_host_port_id = 1,
4934 .get_host_port_type = lpfc_get_host_port_type,
4935 .show_host_port_type = 1,
4937 .get_host_port_state = lpfc_get_host_port_state,
4938 .show_host_port_state = 1,
4940 /* active_fc4s is shown but doesn't change (thus no get function) */
4941 .show_host_active_fc4s = 1,
4943 .get_host_speed = lpfc_get_host_speed,
4944 .show_host_speed = 1,
4946 .get_host_fabric_name = lpfc_get_host_fabric_name,
4947 .show_host_fabric_name = 1,
4950 * The LPFC driver treats linkdown handling as target loss events
4951 * so there are no sysfs handlers for link_down_tmo.
4954 .get_fc_host_stats = lpfc_get_stats,
4955 .reset_fc_host_stats = lpfc_reset_stats,
4957 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
4958 .show_rport_maxframe_size = 1,
4959 .show_rport_supported_classes = 1,
4961 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
4962 .show_rport_dev_loss_tmo = 1,
4964 .get_starget_port_id = lpfc_get_starget_port_id,
4965 .show_starget_port_id = 1,
4967 .get_starget_node_name = lpfc_get_starget_node_name,
4968 .show_starget_node_name = 1,
4970 .get_starget_port_name = lpfc_get_starget_port_name,
4971 .show_starget_port_name = 1,
4973 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
4974 .terminate_rport_io = lpfc_terminate_rport_io,
4976 .vport_disable = lpfc_vport_disable,
4978 .set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
4982 * lpfc_get_cfgparam - Used during probe_one to init the adapter structure
4983 * @phba: lpfc_hba pointer.
4986 lpfc_get_cfgparam(struct lpfc_hba *phba)
4988 lpfc_cr_delay_init(phba, lpfc_cr_delay);
4989 lpfc_cr_count_init(phba, lpfc_cr_count);
4990 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
4991 lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
4992 lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
4993 lpfc_ack0_init(phba, lpfc_ack0);
4994 lpfc_topology_init(phba, lpfc_topology);
4995 lpfc_link_speed_init(phba, lpfc_link_speed);
4996 lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
4997 lpfc_enable_npiv_init(phba, lpfc_enable_npiv);
4998 lpfc_enable_rrq_init(phba, lpfc_enable_rrq);
4999 lpfc_use_msi_init(phba, lpfc_use_msi);
5000 lpfc_fcp_imax_init(phba, lpfc_fcp_imax);
5001 lpfc_fcp_wq_count_init(phba, lpfc_fcp_wq_count);
5002 lpfc_fcp_eq_count_init(phba, lpfc_fcp_eq_count);
5003 lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset);
5004 lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat);
5005 lpfc_enable_bg_init(phba, lpfc_enable_bg);
5006 if (phba->sli_rev == LPFC_SLI_REV4)
5009 phba->cfg_poll = lpfc_poll;
5010 phba->cfg_soft_wwnn = 0L;
5011 phba->cfg_soft_wwpn = 0L;
5012 lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt);
5013 lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt);
5014 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
5015 lpfc_hba_log_verbose_init(phba, lpfc_log_verbose);
5016 lpfc_aer_support_init(phba, lpfc_aer_support);
5017 lpfc_sriov_nr_virtfn_init(phba, lpfc_sriov_nr_virtfn);
5018 lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up);
5019 lpfc_iocb_cnt_init(phba, lpfc_iocb_cnt);
5020 phba->cfg_enable_dss = 1;
5025 * lpfc_get_vport_cfgparam - Used during port create, init the vport structure
5026 * @vport: lpfc_vport pointer.
5029 lpfc_get_vport_cfgparam(struct lpfc_vport *vport)
5031 lpfc_log_verbose_init(vport, lpfc_log_verbose);
5032 lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth);
5033 lpfc_tgt_queue_depth_init(vport, lpfc_tgt_queue_depth);
5034 lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo);
5035 lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo);
5036 lpfc_peer_port_login_init(vport, lpfc_peer_port_login);
5037 lpfc_restrict_login_init(vport, lpfc_restrict_login);
5038 lpfc_fcp_class_init(vport, lpfc_fcp_class);
5039 lpfc_use_adisc_init(vport, lpfc_use_adisc);
5040 lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time);
5041 lpfc_fdmi_on_init(vport, lpfc_fdmi_on);
5042 lpfc_discovery_threads_init(vport, lpfc_discovery_threads);
5043 lpfc_max_luns_init(vport, lpfc_max_luns);
5044 lpfc_scan_down_init(vport, lpfc_scan_down);
5045 lpfc_enable_da_id_init(vport, lpfc_enable_da_id);