1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2023 Broadcom. All Rights Reserved. The term *
5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. *
6 * Copyright (C) 2004-2016 Emulex. All rights reserved. *
7 * EMULEX and SLI are trademarks of Emulex. *
9 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
11 * This program is free software; you can redistribute it and/or *
12 * modify it under the terms of version 2 of the GNU General *
13 * Public License as published by the Free Software Foundation. *
14 * This program is distributed in the hope that it will be useful. *
15 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
16 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
18 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
19 * TO BE LEGALLY INVALID. See the GNU General Public License for *
20 * more details, a copy of which can be found in the file COPYING *
21 * included with this package. *
22 *******************************************************************/
24 #include <linux/ctype.h>
25 #include <linux/delay.h>
26 #include <linux/pci.h>
27 #include <linux/interrupt.h>
28 #include <linux/module.h>
29 #include <linux/aer.h>
30 #include <linux/gfp.h>
31 #include <linux/kernel.h>
33 #include <scsi/scsi.h>
34 #include <scsi/scsi_device.h>
35 #include <scsi/scsi_host.h>
36 #include <scsi/scsi_tcq.h>
37 #include <scsi/scsi_transport_fc.h>
38 #include <scsi/fc/fc_fs.h>
43 #include "lpfc_sli4.h"
45 #include "lpfc_disc.h"
47 #include "lpfc_scsi.h"
48 #include "lpfc_nvme.h"
49 #include "lpfc_logmsg.h"
50 #include "lpfc_version.h"
51 #include "lpfc_compat.h"
52 #include "lpfc_crtn.h"
53 #include "lpfc_vport.h"
54 #include "lpfc_attr.h"
56 #define LPFC_DEF_DEVLOSS_TMO 30
57 #define LPFC_MIN_DEVLOSS_TMO 1
58 #define LPFC_MAX_DEVLOSS_TMO 255
60 #define LPFC_MAX_INFO_TMP_LEN 100
61 #define LPFC_INFO_MORE_STR "\nCould be more info...\n"
63 * Write key size should be multiple of 4. If write key is changed
64 * make sure that library write key is also changed.
66 #define LPFC_REG_WRITE_KEY_SIZE 4
67 #define LPFC_REG_WRITE_KEY "EMLX"
69 const char *const trunk_errmsg[] = { /* map errcode */
70 "", /* There is no such error code at index 0*/
71 "link negotiated speed does not match existing"
72 " trunk - link was \"low\" speed",
73 "link negotiated speed does not match"
74 " existing trunk - link was \"middle\" speed",
75 "link negotiated speed does not match existing"
76 " trunk - link was \"high\" speed",
77 "Attached to non-trunking port - F_Port",
78 "Attached to non-trunking port - N_Port",
79 "FLOGI response timeout",
80 "non-FLOGI frame received",
81 "Invalid FLOGI response",
82 "Trunking initialization protocol",
83 "Trunk peer device mismatch",
87 * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules
88 * @incr: integer to convert.
89 * @hdw: ascii string holding converted integer plus a string terminator.
92 * JEDEC Joint Electron Device Engineering Council.
93 * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii
94 * character string. The string is then terminated with a NULL in byte 9.
95 * Hex 0-9 becomes ascii '0' to '9'.
96 * Hex a-f becomes ascii '=' to 'B' capital B.
99 * Coded for 32 bit integers only.
102 lpfc_jedec_to_ascii(int incr, char hdw[])
105 for (i = 0; i < 8; i++) {
108 hdw[7 - i] = 0x30 + j;
110 hdw[7 - i] = 0x61 + j - 10;
118 lpfc_cmf_info_show(struct device *dev, struct device_attribute *attr,
121 struct Scsi_Host *shost = class_to_shost(dev);
122 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
123 struct lpfc_hba *phba = vport->phba;
124 struct lpfc_cgn_info *cp = NULL;
125 struct lpfc_cgn_stat *cgs;
129 char tmp[LPFC_MAX_INFO_TMP_LEN] = {0};
132 cp = (struct lpfc_cgn_info *)phba->cgn_i->virt;
134 scnprintf(tmp, sizeof(tmp),
135 "Congestion Mgmt Info: E2Eattr %d Ver %d "
137 phba->sli4_hba.pc_sli4_params.mi_cap,
138 cp ? cp->cgn_info_version : 0,
139 phba->sli4_hba.pc_sli4_params.cmf, phba->cmf_timer_cnt);
141 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
144 if (!phba->sli4_hba.pc_sli4_params.cmf)
147 switch (phba->cgn_init_reg_signal) {
148 case EDC_CG_SIG_WARN_ONLY:
149 scnprintf(tmp, sizeof(tmp),
150 "Register: Init: Signal:WARN ");
152 case EDC_CG_SIG_WARN_ALARM:
153 scnprintf(tmp, sizeof(tmp),
154 "Register: Init: Signal:WARN|ALARM ");
157 scnprintf(tmp, sizeof(tmp),
158 "Register: Init: Signal:NONE ");
161 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
164 switch (phba->cgn_init_reg_fpin) {
165 case LPFC_CGN_FPIN_WARN:
166 scnprintf(tmp, sizeof(tmp),
169 case LPFC_CGN_FPIN_ALARM:
170 scnprintf(tmp, sizeof(tmp),
173 case LPFC_CGN_FPIN_BOTH:
174 scnprintf(tmp, sizeof(tmp),
175 "FPIN:WARN|ALARM\n");
178 scnprintf(tmp, sizeof(tmp),
182 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
185 switch (phba->cgn_reg_signal) {
186 case EDC_CG_SIG_WARN_ONLY:
187 scnprintf(tmp, sizeof(tmp),
188 " Current: Signal:WARN ");
190 case EDC_CG_SIG_WARN_ALARM:
191 scnprintf(tmp, sizeof(tmp),
192 " Current: Signal:WARN|ALARM ");
195 scnprintf(tmp, sizeof(tmp),
196 " Current: Signal:NONE ");
199 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
202 switch (phba->cgn_reg_fpin) {
203 case LPFC_CGN_FPIN_WARN:
204 scnprintf(tmp, sizeof(tmp),
205 "FPIN:WARN ACQEcnt:%d\n", phba->cgn_acqe_cnt);
207 case LPFC_CGN_FPIN_ALARM:
208 scnprintf(tmp, sizeof(tmp),
209 "FPIN:ALARM ACQEcnt:%d\n", phba->cgn_acqe_cnt);
211 case LPFC_CGN_FPIN_BOTH:
212 scnprintf(tmp, sizeof(tmp),
213 "FPIN:WARN|ALARM ACQEcnt:%d\n", phba->cgn_acqe_cnt);
216 scnprintf(tmp, sizeof(tmp),
217 "FPIN:NONE ACQEcnt:%d\n", phba->cgn_acqe_cnt);
220 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
223 if (phba->cmf_active_mode != phba->cgn_p.cgn_param_mode) {
224 switch (phba->cmf_active_mode) {
226 scnprintf(tmp, sizeof(tmp), "Active: Mode:Off\n");
228 case LPFC_CFG_MANAGED:
229 scnprintf(tmp, sizeof(tmp), "Active: Mode:Managed\n");
231 case LPFC_CFG_MONITOR:
232 scnprintf(tmp, sizeof(tmp), "Active: Mode:Monitor\n");
235 scnprintf(tmp, sizeof(tmp), "Active: Mode:Unknown\n");
237 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
241 switch (phba->cgn_p.cgn_param_mode) {
243 scnprintf(tmp, sizeof(tmp), "Config: Mode:Off ");
245 case LPFC_CFG_MANAGED:
246 scnprintf(tmp, sizeof(tmp), "Config: Mode:Managed ");
248 case LPFC_CFG_MONITOR:
249 scnprintf(tmp, sizeof(tmp), "Config: Mode:Monitor ");
252 scnprintf(tmp, sizeof(tmp), "Config: Mode:Unknown ");
254 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
259 for_each_present_cpu(cpu) {
260 cgs = per_cpu_ptr(phba->cmf_stat, cpu);
261 total += atomic64_read(&cgs->total_bytes);
262 rcv += atomic64_read(&cgs->rcv_bytes);
265 scnprintf(tmp, sizeof(tmp),
266 "IObusy:%d Info:%d Bytes: Rcv:x%llx Total:x%llx\n",
267 atomic_read(&phba->cmf_busy),
268 phba->cmf_active_info, rcv, total);
269 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
272 scnprintf(tmp, sizeof(tmp),
273 "Port_speed:%d Link_byte_cnt:%ld "
274 "Max_byte_per_interval:%ld\n",
275 lpfc_sli_port_speed_get(phba),
276 (unsigned long)phba->cmf_link_byte_count,
277 (unsigned long)phba->cmf_max_bytes_per_interval);
278 strlcat(buf, tmp, PAGE_SIZE);
281 len = strnlen(buf, PAGE_SIZE);
283 if (unlikely(len >= (PAGE_SIZE - 1))) {
284 lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT,
285 "6312 Catching potential buffer "
286 "overflow > PAGE_SIZE = %lu bytes\n",
288 strscpy(buf + PAGE_SIZE - 1 - sizeof(LPFC_INFO_MORE_STR),
289 LPFC_INFO_MORE_STR, sizeof(LPFC_INFO_MORE_STR) + 1);
295 * lpfc_drvr_version_show - Return the Emulex driver string with version number
296 * @dev: class unused variable.
297 * @attr: device attribute, not used.
298 * @buf: on return contains the module description text.
300 * Returns: size of formatted string.
303 lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr,
306 return scnprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
310 * lpfc_enable_fip_show - Return the fip mode of the HBA
311 * @dev: class unused variable.
312 * @attr: device attribute, not used.
313 * @buf: on return contains the module description text.
315 * Returns: size of formatted string.
318 lpfc_enable_fip_show(struct device *dev, struct device_attribute *attr,
321 struct Scsi_Host *shost = class_to_shost(dev);
322 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
323 struct lpfc_hba *phba = vport->phba;
325 if (phba->hba_flag & HBA_FIP_SUPPORT)
326 return scnprintf(buf, PAGE_SIZE, "1\n");
328 return scnprintf(buf, PAGE_SIZE, "0\n");
332 lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
335 struct Scsi_Host *shost = class_to_shost(dev);
336 struct lpfc_vport *vport = shost_priv(shost);
337 struct lpfc_hba *phba = vport->phba;
338 struct lpfc_nvmet_tgtport *tgtp;
339 struct nvme_fc_local_port *localport;
340 struct lpfc_nvme_lport *lport;
341 struct lpfc_nvme_rport *rport;
342 struct lpfc_nodelist *ndlp;
343 struct nvme_fc_remote_port *nrport;
344 struct lpfc_fc4_ctrl_stat *cstat;
345 uint64_t data1, data2, data3;
346 uint64_t totin, totout, tot;
350 char tmp[LPFC_MAX_INFO_TMP_LEN] = {0};
352 if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) {
353 len = scnprintf(buf, PAGE_SIZE, "NVME Disabled\n");
356 if (phba->nvmet_support) {
357 if (!phba->targetport) {
358 len = scnprintf(buf, PAGE_SIZE,
359 "NVME Target: x%llx is not allocated\n",
360 wwn_to_u64(vport->fc_portname.u.wwn));
363 /* Port state is only one of two values for now. */
364 if (phba->targetport->port_id)
365 statep = "REGISTERED";
368 scnprintf(tmp, sizeof(tmp),
369 "NVME Target Enabled State %s\n",
371 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
374 scnprintf(tmp, sizeof(tmp),
375 "%s%d WWPN x%llx WWNN x%llx DID x%06x\n",
378 wwn_to_u64(vport->fc_portname.u.wwn),
379 wwn_to_u64(vport->fc_nodename.u.wwn),
380 phba->targetport->port_id);
381 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
384 if (strlcat(buf, "\nNVME Target: Statistics\n", PAGE_SIZE)
388 tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
389 scnprintf(tmp, sizeof(tmp),
390 "LS: Rcv %08x Drop %08x Abort %08x\n",
391 atomic_read(&tgtp->rcv_ls_req_in),
392 atomic_read(&tgtp->rcv_ls_req_drop),
393 atomic_read(&tgtp->xmt_ls_abort));
394 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
397 if (atomic_read(&tgtp->rcv_ls_req_in) !=
398 atomic_read(&tgtp->rcv_ls_req_out)) {
399 scnprintf(tmp, sizeof(tmp),
400 "Rcv LS: in %08x != out %08x\n",
401 atomic_read(&tgtp->rcv_ls_req_in),
402 atomic_read(&tgtp->rcv_ls_req_out));
403 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
407 scnprintf(tmp, sizeof(tmp),
408 "LS: Xmt %08x Drop %08x Cmpl %08x\n",
409 atomic_read(&tgtp->xmt_ls_rsp),
410 atomic_read(&tgtp->xmt_ls_drop),
411 atomic_read(&tgtp->xmt_ls_rsp_cmpl));
412 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
415 scnprintf(tmp, sizeof(tmp),
416 "LS: RSP Abort %08x xb %08x Err %08x\n",
417 atomic_read(&tgtp->xmt_ls_rsp_aborted),
418 atomic_read(&tgtp->xmt_ls_rsp_xb_set),
419 atomic_read(&tgtp->xmt_ls_rsp_error));
420 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
423 scnprintf(tmp, sizeof(tmp),
424 "FCP: Rcv %08x Defer %08x Release %08x "
426 atomic_read(&tgtp->rcv_fcp_cmd_in),
427 atomic_read(&tgtp->rcv_fcp_cmd_defer),
428 atomic_read(&tgtp->xmt_fcp_release),
429 atomic_read(&tgtp->rcv_fcp_cmd_drop));
430 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
433 if (atomic_read(&tgtp->rcv_fcp_cmd_in) !=
434 atomic_read(&tgtp->rcv_fcp_cmd_out)) {
435 scnprintf(tmp, sizeof(tmp),
436 "Rcv FCP: in %08x != out %08x\n",
437 atomic_read(&tgtp->rcv_fcp_cmd_in),
438 atomic_read(&tgtp->rcv_fcp_cmd_out));
439 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
443 scnprintf(tmp, sizeof(tmp),
444 "FCP Rsp: RD %08x rsp %08x WR %08x rsp %08x "
446 atomic_read(&tgtp->xmt_fcp_read),
447 atomic_read(&tgtp->xmt_fcp_read_rsp),
448 atomic_read(&tgtp->xmt_fcp_write),
449 atomic_read(&tgtp->xmt_fcp_rsp),
450 atomic_read(&tgtp->xmt_fcp_drop));
451 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
454 scnprintf(tmp, sizeof(tmp),
455 "FCP Rsp Cmpl: %08x err %08x drop %08x\n",
456 atomic_read(&tgtp->xmt_fcp_rsp_cmpl),
457 atomic_read(&tgtp->xmt_fcp_rsp_error),
458 atomic_read(&tgtp->xmt_fcp_rsp_drop));
459 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
462 scnprintf(tmp, sizeof(tmp),
463 "FCP Rsp Abort: %08x xb %08x xricqe %08x\n",
464 atomic_read(&tgtp->xmt_fcp_rsp_aborted),
465 atomic_read(&tgtp->xmt_fcp_rsp_xb_set),
466 atomic_read(&tgtp->xmt_fcp_xri_abort_cqe));
467 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
470 scnprintf(tmp, sizeof(tmp),
471 "ABORT: Xmt %08x Cmpl %08x\n",
472 atomic_read(&tgtp->xmt_fcp_abort),
473 atomic_read(&tgtp->xmt_fcp_abort_cmpl));
474 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
477 scnprintf(tmp, sizeof(tmp),
478 "ABORT: Sol %08x Usol %08x Err %08x Cmpl %08x\n",
479 atomic_read(&tgtp->xmt_abort_sol),
480 atomic_read(&tgtp->xmt_abort_unsol),
481 atomic_read(&tgtp->xmt_abort_rsp),
482 atomic_read(&tgtp->xmt_abort_rsp_error));
483 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
486 scnprintf(tmp, sizeof(tmp),
487 "DELAY: ctx %08x fod %08x wqfull %08x\n",
488 atomic_read(&tgtp->defer_ctx),
489 atomic_read(&tgtp->defer_fod),
490 atomic_read(&tgtp->defer_wqfull));
491 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
494 /* Calculate outstanding IOs */
495 tot = atomic_read(&tgtp->rcv_fcp_cmd_drop);
496 tot += atomic_read(&tgtp->xmt_fcp_release);
497 tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot;
499 scnprintf(tmp, sizeof(tmp),
500 "IO_CTX: %08x WAIT: cur %08x tot %08x\n"
501 "CTX Outstanding %08llx\n\n",
502 phba->sli4_hba.nvmet_xri_cnt,
503 phba->sli4_hba.nvmet_io_wait_cnt,
504 phba->sli4_hba.nvmet_io_wait_total,
506 strlcat(buf, tmp, PAGE_SIZE);
510 localport = vport->localport;
512 len = scnprintf(buf, PAGE_SIZE,
513 "NVME Initiator x%llx is not allocated\n",
514 wwn_to_u64(vport->fc_portname.u.wwn));
517 lport = (struct lpfc_nvme_lport *)localport->private;
518 if (strlcat(buf, "\nNVME Initiator Enabled\n", PAGE_SIZE) >= PAGE_SIZE)
521 scnprintf(tmp, sizeof(tmp),
522 "XRI Dist lpfc%d Total %d IO %d ELS %d\n",
524 phba->sli4_hba.max_cfg_param.max_xri,
525 phba->sli4_hba.io_xri_max,
526 lpfc_sli4_get_els_iocb_cnt(phba));
527 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
530 /* Port state is only one of two values for now. */
531 if (localport->port_id)
536 scnprintf(tmp, sizeof(tmp),
537 "%s%d WWPN x%llx WWNN x%llx DID x%06x %s\n",
540 wwn_to_u64(vport->fc_portname.u.wwn),
541 wwn_to_u64(vport->fc_nodename.u.wwn),
542 localport->port_id, statep);
543 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
546 spin_lock_irq(shost->host_lock);
548 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
550 spin_lock(&ndlp->lock);
551 rport = lpfc_ndlp_get_nrport(ndlp);
553 nrport = rport->remoteport;
554 spin_unlock(&ndlp->lock);
558 /* Port state is only one of two values for now. */
559 switch (nrport->port_state) {
560 case FC_OBJSTATE_ONLINE:
563 case FC_OBJSTATE_UNKNOWN:
567 statep = "UNSUPPORTED";
571 /* Tab in to show lport ownership. */
572 if (strlcat(buf, "NVME RPORT ", PAGE_SIZE) >= PAGE_SIZE)
573 goto unlock_buf_done;
574 if (phba->brd_no >= 10) {
575 if (strlcat(buf, " ", PAGE_SIZE) >= PAGE_SIZE)
576 goto unlock_buf_done;
579 scnprintf(tmp, sizeof(tmp), "WWPN x%llx ",
581 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
582 goto unlock_buf_done;
584 scnprintf(tmp, sizeof(tmp), "WWNN x%llx ",
586 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
587 goto unlock_buf_done;
589 scnprintf(tmp, sizeof(tmp), "DID x%06x ",
591 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
592 goto unlock_buf_done;
594 /* An NVME rport can have multiple roles. */
595 if (nrport->port_role & FC_PORT_ROLE_NVME_INITIATOR) {
596 if (strlcat(buf, "INITIATOR ", PAGE_SIZE) >= PAGE_SIZE)
597 goto unlock_buf_done;
599 if (nrport->port_role & FC_PORT_ROLE_NVME_TARGET) {
600 if (strlcat(buf, "TARGET ", PAGE_SIZE) >= PAGE_SIZE)
601 goto unlock_buf_done;
603 if (nrport->port_role & FC_PORT_ROLE_NVME_DISCOVERY) {
604 if (strlcat(buf, "DISCSRVC ", PAGE_SIZE) >= PAGE_SIZE)
605 goto unlock_buf_done;
607 if (nrport->port_role & ~(FC_PORT_ROLE_NVME_INITIATOR |
608 FC_PORT_ROLE_NVME_TARGET |
609 FC_PORT_ROLE_NVME_DISCOVERY)) {
610 scnprintf(tmp, sizeof(tmp), "UNKNOWN ROLE x%x",
612 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
613 goto unlock_buf_done;
616 scnprintf(tmp, sizeof(tmp), "%s\n", statep);
617 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
618 goto unlock_buf_done;
620 spin_unlock_irq(shost->host_lock);
625 if (strlcat(buf, "\nNVME Statistics\n", PAGE_SIZE) >= PAGE_SIZE)
628 scnprintf(tmp, sizeof(tmp),
629 "LS: Xmt %010x Cmpl %010x Abort %08x\n",
630 atomic_read(&lport->fc4NvmeLsRequests),
631 atomic_read(&lport->fc4NvmeLsCmpls),
632 atomic_read(&lport->xmt_ls_abort));
633 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
636 scnprintf(tmp, sizeof(tmp),
637 "LS XMIT: Err %08x CMPL: xb %08x Err %08x\n",
638 atomic_read(&lport->xmt_ls_err),
639 atomic_read(&lport->cmpl_ls_xb),
640 atomic_read(&lport->cmpl_ls_err));
641 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
646 for (i = 0; i < phba->cfg_hdw_queue; i++) {
647 cstat = &phba->sli4_hba.hdwq[i].nvme_cstat;
648 tot = cstat->io_cmpls;
650 data1 = cstat->input_requests;
651 data2 = cstat->output_requests;
652 data3 = cstat->control_requests;
653 totout += (data1 + data2 + data3);
655 scnprintf(tmp, sizeof(tmp),
656 "Total FCP Cmpl %016llx Issue %016llx "
658 totin, totout, totout - totin);
659 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
662 scnprintf(tmp, sizeof(tmp),
663 "\tabort %08x noxri %08x nondlp %08x qdepth %08x "
664 "wqerr %08x err %08x\n",
665 atomic_read(&lport->xmt_fcp_abort),
666 atomic_read(&lport->xmt_fcp_noxri),
667 atomic_read(&lport->xmt_fcp_bad_ndlp),
668 atomic_read(&lport->xmt_fcp_qdepth),
669 atomic_read(&lport->xmt_fcp_wqerr),
670 atomic_read(&lport->xmt_fcp_err));
671 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
674 scnprintf(tmp, sizeof(tmp),
675 "FCP CMPL: xb %08x Err %08x\n",
676 atomic_read(&lport->cmpl_fcp_xb),
677 atomic_read(&lport->cmpl_fcp_err));
678 strlcat(buf, tmp, PAGE_SIZE);
680 /* host_lock is already unlocked. */
684 spin_unlock_irq(shost->host_lock);
687 len = strnlen(buf, PAGE_SIZE);
689 if (unlikely(len >= (PAGE_SIZE - 1))) {
690 lpfc_printf_log(phba, KERN_INFO, LOG_NVME,
691 "6314 Catching potential buffer "
692 "overflow > PAGE_SIZE = %lu bytes\n",
694 strscpy(buf + PAGE_SIZE - 1 - sizeof(LPFC_INFO_MORE_STR),
696 sizeof(LPFC_INFO_MORE_STR) + 1);
703 lpfc_scsi_stat_show(struct device *dev, struct device_attribute *attr,
706 struct Scsi_Host *shost = class_to_shost(dev);
707 struct lpfc_vport *vport = shost_priv(shost);
708 struct lpfc_hba *phba = vport->phba;
710 struct lpfc_fc4_ctrl_stat *cstat;
711 u64 data1, data2, data3;
712 u64 tot, totin, totout;
714 char tmp[LPFC_MAX_SCSI_INFO_TMP_LEN] = {0};
716 if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_FCP) ||
717 (phba->sli_rev != LPFC_SLI_REV4))
720 scnprintf(buf, PAGE_SIZE, "SCSI HDWQ Statistics\n");
724 for (i = 0; i < phba->cfg_hdw_queue; i++) {
725 cstat = &phba->sli4_hba.hdwq[i].scsi_cstat;
726 tot = cstat->io_cmpls;
728 data1 = cstat->input_requests;
729 data2 = cstat->output_requests;
730 data3 = cstat->control_requests;
731 totout += (data1 + data2 + data3);
733 scnprintf(tmp, sizeof(tmp), "HDWQ (%d): Rd %016llx Wr %016llx "
734 "IO %016llx ", i, data1, data2, data3);
735 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
738 scnprintf(tmp, sizeof(tmp), "Cmpl %016llx OutIO %016llx\n",
739 tot, ((data1 + data2 + data3) - tot));
740 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
743 scnprintf(tmp, sizeof(tmp), "Total FCP Cmpl %016llx Issue %016llx "
744 "OutIO %016llx\n", totin, totout, totout - totin);
745 strlcat(buf, tmp, PAGE_SIZE);
748 len = strnlen(buf, PAGE_SIZE);
754 lpfc_bg_info_show(struct device *dev, struct device_attribute *attr,
757 struct Scsi_Host *shost = class_to_shost(dev);
758 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
759 struct lpfc_hba *phba = vport->phba;
761 if (phba->cfg_enable_bg) {
762 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
763 return scnprintf(buf, PAGE_SIZE,
764 "BlockGuard Enabled\n");
766 return scnprintf(buf, PAGE_SIZE,
767 "BlockGuard Not Supported\n");
769 return scnprintf(buf, PAGE_SIZE,
770 "BlockGuard Disabled\n");
774 lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr,
777 struct Scsi_Host *shost = class_to_shost(dev);
778 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
779 struct lpfc_hba *phba = vport->phba;
781 return scnprintf(buf, PAGE_SIZE, "%llu\n",
782 (unsigned long long)phba->bg_guard_err_cnt);
786 lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr,
789 struct Scsi_Host *shost = class_to_shost(dev);
790 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
791 struct lpfc_hba *phba = vport->phba;
793 return scnprintf(buf, PAGE_SIZE, "%llu\n",
794 (unsigned long long)phba->bg_apptag_err_cnt);
798 lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr,
801 struct Scsi_Host *shost = class_to_shost(dev);
802 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
803 struct lpfc_hba *phba = vport->phba;
805 return scnprintf(buf, PAGE_SIZE, "%llu\n",
806 (unsigned long long)phba->bg_reftag_err_cnt);
810 * lpfc_info_show - Return some pci info about the host in ascii
811 * @dev: class converted to a Scsi_host structure.
812 * @attr: device attribute, not used.
813 * @buf: on return contains the formatted text from lpfc_info().
815 * Returns: size of formatted string.
818 lpfc_info_show(struct device *dev, struct device_attribute *attr,
821 struct Scsi_Host *host = class_to_shost(dev);
823 return scnprintf(buf, PAGE_SIZE, "%s\n", lpfc_info(host));
827 * lpfc_serialnum_show - Return the hba serial number in ascii
828 * @dev: class converted to a Scsi_host structure.
829 * @attr: device attribute, not used.
830 * @buf: on return contains the formatted text serial number.
832 * Returns: size of formatted string.
835 lpfc_serialnum_show(struct device *dev, struct device_attribute *attr,
838 struct Scsi_Host *shost = class_to_shost(dev);
839 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
840 struct lpfc_hba *phba = vport->phba;
842 return scnprintf(buf, PAGE_SIZE, "%s\n", phba->SerialNumber);
846 * lpfc_temp_sensor_show - Return the temperature sensor level
847 * @dev: class converted to a Scsi_host structure.
848 * @attr: device attribute, not used.
849 * @buf: on return contains the formatted support level.
852 * Returns a number indicating the temperature sensor level currently
853 * supported, zero or one in ascii.
855 * Returns: size of formatted string.
858 lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr,
861 struct Scsi_Host *shost = class_to_shost(dev);
862 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
863 struct lpfc_hba *phba = vport->phba;
864 return scnprintf(buf, PAGE_SIZE, "%d\n", phba->temp_sensor_support);
868 * lpfc_modeldesc_show - Return the model description of the hba
869 * @dev: class converted to a Scsi_host structure.
870 * @attr: device attribute, not used.
871 * @buf: on return contains the scsi vpd model description.
873 * Returns: size of formatted string.
876 lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr,
879 struct Scsi_Host *shost = class_to_shost(dev);
880 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
881 struct lpfc_hba *phba = vport->phba;
883 return scnprintf(buf, PAGE_SIZE, "%s\n", phba->ModelDesc);
887 * lpfc_modelname_show - Return the model name of the hba
888 * @dev: class converted to a Scsi_host structure.
889 * @attr: device attribute, not used.
890 * @buf: on return contains the scsi vpd model name.
892 * Returns: size of formatted string.
895 lpfc_modelname_show(struct device *dev, struct device_attribute *attr,
898 struct Scsi_Host *shost = class_to_shost(dev);
899 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
900 struct lpfc_hba *phba = vport->phba;
902 return scnprintf(buf, PAGE_SIZE, "%s\n", phba->ModelName);
906 * lpfc_programtype_show - Return the program type of the hba
907 * @dev: class converted to a Scsi_host structure.
908 * @attr: device attribute, not used.
909 * @buf: on return contains the scsi vpd program type.
911 * Returns: size of formatted string.
914 lpfc_programtype_show(struct device *dev, struct device_attribute *attr,
917 struct Scsi_Host *shost = class_to_shost(dev);
918 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
919 struct lpfc_hba *phba = vport->phba;
921 return scnprintf(buf, PAGE_SIZE, "%s\n", phba->ProgramType);
925 * lpfc_vportnum_show - Return the port number in ascii of the hba
926 * @dev: class converted to a Scsi_host structure.
927 * @attr: device attribute, not used.
928 * @buf: on return contains scsi vpd program type.
930 * Returns: size of formatted string.
933 lpfc_vportnum_show(struct device *dev, struct device_attribute *attr,
936 struct Scsi_Host *shost = class_to_shost(dev);
937 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
938 struct lpfc_hba *phba = vport->phba;
940 return scnprintf(buf, PAGE_SIZE, "%s\n", phba->Port);
944 * lpfc_fwrev_show - Return the firmware rev running in the hba
945 * @dev: class converted to a Scsi_host structure.
946 * @attr: device attribute, not used.
947 * @buf: on return contains the scsi vpd program type.
949 * Returns: size of formatted string.
952 lpfc_fwrev_show(struct device *dev, struct device_attribute *attr,
955 struct Scsi_Host *shost = class_to_shost(dev);
956 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
957 struct lpfc_hba *phba = vport->phba;
960 char fwrev[FW_REV_STR_SIZE];
963 lpfc_decode_firmware_rev(phba, fwrev, 1);
964 if_type = phba->sli4_hba.pc_sli4_params.if_type;
965 sli_family = phba->sli4_hba.pc_sli4_params.sli_family;
967 if (phba->sli_rev < LPFC_SLI_REV4)
968 len = scnprintf(buf, PAGE_SIZE, "%s, sli-%d\n",
969 fwrev, phba->sli_rev);
971 len = scnprintf(buf, PAGE_SIZE, "%s, sli-%d:%d:%x\n",
972 fwrev, phba->sli_rev, if_type, sli_family);
978 * lpfc_hdw_show - Return the jedec information about the hba
979 * @dev: class converted to a Scsi_host structure.
980 * @attr: device attribute, not used.
981 * @buf: on return contains the scsi vpd program type.
983 * Returns: size of formatted string.
986 lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf)
989 struct Scsi_Host *shost = class_to_shost(dev);
990 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
991 struct lpfc_hba *phba = vport->phba;
992 lpfc_vpd_t *vp = &phba->vpd;
994 lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
995 return scnprintf(buf, PAGE_SIZE, "%s %08x %08x\n", hdw,
996 vp->rev.smRev, vp->rev.smFwRev);
1000 * lpfc_option_rom_version_show - Return the adapter ROM FCode version
1001 * @dev: class converted to a Scsi_host structure.
1002 * @attr: device attribute, not used.
1003 * @buf: on return contains the ROM and FCode ascii strings.
1005 * Returns: size of formatted string.
1008 lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr,
1011 struct Scsi_Host *shost = class_to_shost(dev);
1012 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1013 struct lpfc_hba *phba = vport->phba;
1014 char fwrev[FW_REV_STR_SIZE];
1016 if (phba->sli_rev < LPFC_SLI_REV4)
1017 return scnprintf(buf, PAGE_SIZE, "%s\n",
1018 phba->OptionROMVersion);
1020 lpfc_decode_firmware_rev(phba, fwrev, 1);
1021 return scnprintf(buf, PAGE_SIZE, "%s\n", fwrev);
1025 * lpfc_link_state_show - Return the link state of the port
1026 * @dev: class converted to a Scsi_host structure.
1027 * @attr: device attribute, not used.
1028 * @buf: on return contains text describing the state of the link.
1031 * The switch statement has no default so zero will be returned.
1033 * Returns: size of formatted string.
1036 lpfc_link_state_show(struct device *dev, struct device_attribute *attr,
1039 struct Scsi_Host *shost = class_to_shost(dev);
1040 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1041 struct lpfc_hba *phba = vport->phba;
1044 switch (phba->link_state) {
1045 case LPFC_LINK_UNKNOWN:
1046 case LPFC_WARM_START:
1047 case LPFC_INIT_START:
1048 case LPFC_INIT_MBX_CMDS:
1049 case LPFC_LINK_DOWN:
1050 case LPFC_HBA_ERROR:
1051 if (phba->hba_flag & LINK_DISABLED)
1052 len += scnprintf(buf + len, PAGE_SIZE-len,
1053 "Link Down - User disabled\n");
1055 len += scnprintf(buf + len, PAGE_SIZE-len,
1060 case LPFC_HBA_READY:
1061 len += scnprintf(buf + len, PAGE_SIZE-len, "Link Up - ");
1063 switch (vport->port_state) {
1064 case LPFC_LOCAL_CFG_LINK:
1065 len += scnprintf(buf + len, PAGE_SIZE-len,
1066 "Configuring Link\n");
1070 case LPFC_FABRIC_CFG_LINK:
1073 case LPFC_BUILD_DISC_LIST:
1074 case LPFC_DISC_AUTH:
1075 len += scnprintf(buf + len, PAGE_SIZE - len,
1078 case LPFC_VPORT_READY:
1079 len += scnprintf(buf + len, PAGE_SIZE - len,
1083 case LPFC_VPORT_FAILED:
1084 len += scnprintf(buf + len, PAGE_SIZE - len,
1088 case LPFC_VPORT_UNKNOWN:
1089 len += scnprintf(buf + len, PAGE_SIZE - len,
1093 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
1094 if (vport->fc_flag & FC_PUBLIC_LOOP)
1095 len += scnprintf(buf + len, PAGE_SIZE-len,
1098 len += scnprintf(buf + len, PAGE_SIZE-len,
1101 if (vport->fc_flag & FC_FABRIC) {
1102 if (phba->sli_rev == LPFC_SLI_REV4 &&
1103 vport->port_type == LPFC_PHYSICAL_PORT &&
1104 phba->sli4_hba.fawwpn_flag &
1106 len += scnprintf(buf + len,
1108 " Fabric FA-PWWN\n");
1110 len += scnprintf(buf + len,
1114 len += scnprintf(buf + len, PAGE_SIZE-len,
1115 " Point-2-Point\n");
1120 if ((phba->sli_rev == LPFC_SLI_REV4) &&
1121 ((bf_get(lpfc_sli_intf_if_type,
1122 &phba->sli4_hba.sli_intf) ==
1123 LPFC_SLI_INTF_IF_TYPE_6))) {
1124 struct lpfc_trunk_link link = phba->trunk_link;
1126 if (bf_get(lpfc_conf_trunk_port0, &phba->sli4_hba))
1127 len += scnprintf(buf + len, PAGE_SIZE - len,
1128 "Trunk port 0: Link %s %s\n",
1129 (link.link0.state == LPFC_LINK_UP) ?
1131 trunk_errmsg[link.link0.fault]);
1133 if (bf_get(lpfc_conf_trunk_port1, &phba->sli4_hba))
1134 len += scnprintf(buf + len, PAGE_SIZE - len,
1135 "Trunk port 1: Link %s %s\n",
1136 (link.link1.state == LPFC_LINK_UP) ?
1138 trunk_errmsg[link.link1.fault]);
1140 if (bf_get(lpfc_conf_trunk_port2, &phba->sli4_hba))
1141 len += scnprintf(buf + len, PAGE_SIZE - len,
1142 "Trunk port 2: Link %s %s\n",
1143 (link.link2.state == LPFC_LINK_UP) ?
1145 trunk_errmsg[link.link2.fault]);
1147 if (bf_get(lpfc_conf_trunk_port3, &phba->sli4_hba))
1148 len += scnprintf(buf + len, PAGE_SIZE - len,
1149 "Trunk port 3: Link %s %s\n",
1150 (link.link3.state == LPFC_LINK_UP) ?
1152 trunk_errmsg[link.link3.fault]);
1160 * lpfc_sli4_protocol_show - Return the fip mode of the HBA
1161 * @dev: class unused variable.
1162 * @attr: device attribute, not used.
1163 * @buf: on return contains the module description text.
1165 * Returns: size of formatted string.
1168 lpfc_sli4_protocol_show(struct device *dev, struct device_attribute *attr,
1171 struct Scsi_Host *shost = class_to_shost(dev);
1172 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1173 struct lpfc_hba *phba = vport->phba;
1175 if (phba->sli_rev < LPFC_SLI_REV4)
1176 return scnprintf(buf, PAGE_SIZE, "fc\n");
1178 if (phba->sli4_hba.lnk_info.lnk_dv == LPFC_LNK_DAT_VAL) {
1179 if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_GE)
1180 return scnprintf(buf, PAGE_SIZE, "fcoe\n");
1181 if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC)
1182 return scnprintf(buf, PAGE_SIZE, "fc\n");
1184 return scnprintf(buf, PAGE_SIZE, "unknown\n");
1188 * lpfc_oas_supported_show - Return whether or not Optimized Access Storage
1189 * (OAS) is supported.
1190 * @dev: class unused variable.
1191 * @attr: device attribute, not used.
1192 * @buf: on return contains the module description text.
1194 * Returns: size of formatted string.
1197 lpfc_oas_supported_show(struct device *dev, struct device_attribute *attr,
1200 struct Scsi_Host *shost = class_to_shost(dev);
1201 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
1202 struct lpfc_hba *phba = vport->phba;
1204 return scnprintf(buf, PAGE_SIZE, "%d\n",
1205 phba->sli4_hba.pc_sli4_params.oas_supported);
1209 * lpfc_link_state_store - Transition the link_state on an HBA port
1210 * @dev: class device that is converted into a Scsi_host.
1211 * @attr: device attribute, not used.
1212 * @buf: one or more lpfc_polling_flags values.
1216 * -EINVAL if the buffer is not "up" or "down"
1217 * return from link state change function if non-zero
1218 * length of the buf on success
1221 lpfc_link_state_store(struct device *dev, struct device_attribute *attr,
1222 const char *buf, size_t count)
1224 struct Scsi_Host *shost = class_to_shost(dev);
1225 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1226 struct lpfc_hba *phba = vport->phba;
1228 int status = -EINVAL;
1230 if ((strncmp(buf, "up", sizeof("up") - 1) == 0) &&
1231 (phba->link_state == LPFC_LINK_DOWN))
1232 status = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
1233 else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) &&
1234 (phba->link_state >= LPFC_LINK_UP))
1235 status = phba->lpfc_hba_down_link(phba, MBX_NOWAIT);
1244 * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports
1245 * @dev: class device that is converted into a Scsi_host.
1246 * @attr: device attribute, not used.
1247 * @buf: on return contains the sum of fc mapped and unmapped.
1250 * Returns the ascii text number of the sum of the fc mapped and unmapped
1253 * Returns: size of formatted string.
1256 lpfc_num_discovered_ports_show(struct device *dev,
1257 struct device_attribute *attr, char *buf)
1259 struct Scsi_Host *shost = class_to_shost(dev);
1260 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1262 return scnprintf(buf, PAGE_SIZE, "%d\n",
1263 vport->fc_map_cnt + vport->fc_unmap_cnt);
1267 * lpfc_issue_lip - Misnomer, name carried over from long ago
1268 * @shost: Scsi_Host pointer.
1271 * Bring the link down gracefully then re-init the link. The firmware will
1272 * re-init the fiber channel interface as required. Does not issue a LIP.
1275 * -EPERM port offline or management commands are being blocked
1276 * -ENOMEM cannot allocate memory for the mailbox command
1277 * -EIO error sending the mailbox command
1281 lpfc_issue_lip(struct Scsi_Host *shost)
1283 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1284 struct lpfc_hba *phba = vport->phba;
1285 LPFC_MBOXQ_t *pmboxq;
1286 int mbxstatus = MBXERR_ERROR;
1289 * If the link is offline, disabled or BLOCK_MGMT_IO
1290 * it doesn't make any sense to allow issue_lip
1292 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
1293 (phba->hba_flag & LINK_DISABLED) ||
1294 (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO))
1297 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
1302 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1303 pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK;
1304 pmboxq->u.mb.mbxOwner = OWN_HOST;
1306 if ((vport->fc_flag & FC_PT2PT) && (vport->fc_flag & FC_PT2PT_NO_NVME))
1307 vport->fc_flag &= ~FC_PT2PT_NO_NVME;
1309 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
1311 if ((mbxstatus == MBX_SUCCESS) &&
1312 (pmboxq->u.mb.mbxStatus == 0 ||
1313 pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) {
1314 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1315 lpfc_init_link(phba, pmboxq, phba->cfg_topology,
1316 phba->cfg_link_speed);
1317 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
1318 phba->fc_ratov * 2);
1319 if ((mbxstatus == MBX_SUCCESS) &&
1320 (pmboxq->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION))
1321 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
1322 "2859 SLI authentication is required "
1323 "for INIT_LINK but has not done yet\n");
1326 lpfc_set_loopback_flag(phba);
1327 if (mbxstatus != MBX_TIMEOUT)
1328 mempool_free(pmboxq, phba->mbox_mem_pool);
1330 if (mbxstatus == MBXERR_ERROR)
1337 lpfc_emptyq_wait(struct lpfc_hba *phba, struct list_head *q, spinlock_t *lock)
1341 spin_lock_irq(lock);
1342 while (!list_empty(q)) {
1343 spin_unlock_irq(lock);
1345 if (cnt++ > 250) { /* 5 secs */
1346 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1347 "0466 Outstanding IO when "
1348 "bringing Adapter offline\n");
1351 spin_lock_irq(lock);
1353 spin_unlock_irq(lock);
1358 * lpfc_do_offline - Issues a mailbox command to bring the link down
1359 * @phba: lpfc_hba pointer.
1360 * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL.
1363 * Assumes any error from lpfc_do_offline() will be negative.
1364 * Can wait up to 5 seconds for the port ring buffers count
1365 * to reach zero, prints a warning if it is not zero and continues.
1366 * lpfc_workq_post_event() returns a non-zero return code if call fails.
1369 * -EIO error posting the event
1373 lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
1375 struct completion online_compl;
1376 struct lpfc_queue *qp = NULL;
1377 struct lpfc_sli_ring *pring;
1378 struct lpfc_sli *psli;
1383 init_completion(&online_compl);
1384 rc = lpfc_workq_post_event(phba, &status, &online_compl,
1385 LPFC_EVT_OFFLINE_PREP);
1389 wait_for_completion(&online_compl);
1397 * If freeing the queues have already started, don't access them.
1398 * Otherwise set FREE_WAIT to indicate that queues are being used
1399 * to hold the freeing process until we finish.
1401 spin_lock_irq(&phba->hbalock);
1402 if (!(psli->sli_flag & LPFC_QUEUE_FREE_INIT)) {
1403 psli->sli_flag |= LPFC_QUEUE_FREE_WAIT;
1405 spin_unlock_irq(&phba->hbalock);
1408 spin_unlock_irq(&phba->hbalock);
1410 /* Wait a little for things to settle down, but not
1411 * long enough for dev loss timeout to expire.
1413 if (phba->sli_rev != LPFC_SLI_REV4) {
1414 for (i = 0; i < psli->num_rings; i++) {
1415 pring = &psli->sli3_ring[i];
1416 if (!lpfc_emptyq_wait(phba, &pring->txcmplq,
1421 list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) {
1425 if (!lpfc_emptyq_wait(phba, &pring->txcmplq,
1431 spin_lock_irq(&phba->hbalock);
1432 psli->sli_flag &= ~LPFC_QUEUE_FREE_WAIT;
1433 spin_unlock_irq(&phba->hbalock);
1436 init_completion(&online_compl);
1437 rc = lpfc_workq_post_event(phba, &status, &online_compl, type);
1441 wait_for_completion(&online_compl);
1450 * lpfc_reset_pci_bus - resets PCI bridge controller's secondary bus of an HBA
1451 * @phba: lpfc_hba pointer.
1454 * Issues a PCI secondary bus reset for the phba->pcidev.
1457 * First walks the bus_list to ensure only PCI devices with Emulex
1458 * vendor id, device ids that support hot reset, only one occurrence
1459 * of function 0, and all ports on the bus are in offline mode to ensure the
1460 * hot reset only affects one valid HBA.
1463 * -ENOTSUPP, cfg_enable_hba_reset must be of value 2
1464 * -ENODEV, NULL ptr to pcidev
1465 * -EBADSLT, detected invalid device
1466 * -EBUSY, port is not in offline state
1470 lpfc_reset_pci_bus(struct lpfc_hba *phba)
1472 struct pci_dev *pdev = phba->pcidev;
1473 struct Scsi_Host *shost = NULL;
1474 struct lpfc_hba *phba_other = NULL;
1475 struct pci_dev *ptr = NULL;
1478 if (phba->cfg_enable_hba_reset != 2)
1482 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "8345 pdev NULL!\n");
1486 res = lpfc_check_pci_resettable(phba);
1490 /* Walk the list of devices on the pci_dev's bus */
1491 list_for_each_entry(ptr, &pdev->bus->devices, bus_list) {
1492 /* Check port is offline */
1493 shost = pci_get_drvdata(ptr);
1496 ((struct lpfc_vport *)shost->hostdata)->phba;
1497 if (!(phba_other->pport->fc_flag & FC_OFFLINE_MODE)) {
1498 lpfc_printf_log(phba_other, KERN_INFO, LOG_INIT,
1499 "8349 WWPN = 0x%02x%02x%02x%02x"
1500 "%02x%02x%02x%02x is not "
1502 phba_other->wwpn[0],
1503 phba_other->wwpn[1],
1504 phba_other->wwpn[2],
1505 phba_other->wwpn[3],
1506 phba_other->wwpn[4],
1507 phba_other->wwpn[5],
1508 phba_other->wwpn[6],
1509 phba_other->wwpn[7]);
1515 /* Issue PCI bus reset */
1516 res = pci_reset_bus(pdev);
1518 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1519 "8350 PCI reset bus failed: %d\n", res);
1526 * lpfc_selective_reset - Offline then onlines the port
1527 * @phba: lpfc_hba pointer.
1530 * If the port is configured to allow a reset then the hba is brought
1531 * offline then online.
1534 * Assumes any error from lpfc_do_offline() will be negative.
1535 * Do not make this function static.
1538 * lpfc_do_offline() return code if not zero
1539 * -EIO reset not configured or error posting the event
1543 lpfc_selective_reset(struct lpfc_hba *phba)
1545 struct completion online_compl;
1549 if (!phba->cfg_enable_hba_reset)
1552 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE)) {
1553 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
1559 init_completion(&online_compl);
1560 rc = lpfc_workq_post_event(phba, &status, &online_compl,
1565 wait_for_completion(&online_compl);
1574 * lpfc_issue_reset - Selectively resets an adapter
1575 * @dev: class device that is converted into a Scsi_host.
1576 * @attr: device attribute, not used.
1577 * @buf: containing the string "selective".
1578 * @count: unused variable.
1581 * If the buf contains the string "selective" then lpfc_selective_reset()
1582 * is called to perform the reset.
1585 * Assumes any error from lpfc_selective_reset() will be negative.
1586 * If lpfc_selective_reset() returns zero then the length of the buffer
1587 * is returned which indicates success
1590 * -EINVAL if the buffer does not contain the string "selective"
1591 * length of buf if lpfc-selective_reset() if the call succeeds
1592 * return value of lpfc_selective_reset() if the call fails
1595 lpfc_issue_reset(struct device *dev, struct device_attribute *attr,
1596 const char *buf, size_t count)
1598 struct Scsi_Host *shost = class_to_shost(dev);
1599 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1600 struct lpfc_hba *phba = vport->phba;
1601 int status = -EINVAL;
1603 if (!phba->cfg_enable_hba_reset)
1606 if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
1607 status = phba->lpfc_selective_reset(phba);
1616 * lpfc_sli4_pdev_status_reg_wait - Wait for pdev status register for readyness
1617 * @phba: lpfc_hba pointer.
1620 * SLI4 interface type-2 device to wait on the sliport status register for
1621 * the readyness after performing a firmware reset.
1624 * zero for success, -EPERM when port does not have privilege to perform the
1625 * reset, -EIO when port timeout from recovering from the reset.
1628 * As the caller will interpret the return code by value, be careful in making
1629 * change or addition to return codes.
1632 lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *phba)
1634 struct lpfc_register portstat_reg = {0};
1638 if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
1639 &portstat_reg.word0))
1642 /* verify if privileged for the request operation */
1643 if (!bf_get(lpfc_sliport_status_rn, &portstat_reg) &&
1644 !bf_get(lpfc_sliport_status_err, &portstat_reg))
1647 /* There is no point to wait if the port is in an unrecoverable
1650 if (lpfc_sli4_unrecoverable_port(&portstat_reg))
1653 /* wait for the SLI port firmware ready after firmware reset */
1654 for (i = 0; i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT; i++) {
1656 if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
1657 &portstat_reg.word0))
1659 if (!bf_get(lpfc_sliport_status_err, &portstat_reg))
1661 if (!bf_get(lpfc_sliport_status_rn, &portstat_reg))
1663 if (!bf_get(lpfc_sliport_status_rdy, &portstat_reg))
1668 if (i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT)
1675 * lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc
1676 * @phba: lpfc_hba pointer.
1677 * @opcode: The sli4 config command opcode.
1680 * Request SLI4 interface type-2 device to perform a physical register set
1687 lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode)
1689 struct completion online_compl;
1690 struct pci_dev *pdev = phba->pcidev;
1691 uint32_t before_fc_flag;
1692 uint32_t sriov_nr_virtfn;
1694 int status = 0, rc = 0;
1695 int job_posted = 1, sriov_err;
1697 if (!phba->cfg_enable_hba_reset)
1700 if ((phba->sli_rev < LPFC_SLI_REV4) ||
1701 (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
1702 LPFC_SLI_INTF_IF_TYPE_2))
1705 /* Keep state if we need to restore back */
1706 before_fc_flag = phba->pport->fc_flag;
1707 sriov_nr_virtfn = phba->cfg_sriov_nr_virtfn;
1709 if (opcode == LPFC_FW_DUMP) {
1710 init_completion(&online_compl);
1711 phba->fw_dump_cmpl = &online_compl;
1713 /* Disable SR-IOV virtual functions if enabled */
1714 if (phba->cfg_sriov_nr_virtfn) {
1715 pci_disable_sriov(pdev);
1716 phba->cfg_sriov_nr_virtfn = 0;
1719 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
1724 /* wait for the device to be quiesced before firmware reset */
1728 reg_val = readl(phba->sli4_hba.conf_regs_memmap_p +
1729 LPFC_CTL_PDEV_CTL_OFFSET);
1731 if (opcode == LPFC_FW_DUMP)
1732 reg_val |= LPFC_FW_DUMP_REQUEST;
1733 else if (opcode == LPFC_FW_RESET)
1734 reg_val |= LPFC_CTL_PDEV_CTL_FRST;
1735 else if (opcode == LPFC_DV_RESET)
1736 reg_val |= LPFC_CTL_PDEV_CTL_DRST;
1738 writel(reg_val, phba->sli4_hba.conf_regs_memmap_p +
1739 LPFC_CTL_PDEV_CTL_OFFSET);
1741 readl(phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET);
1743 /* delay driver action following IF_TYPE_2 reset */
1744 rc = lpfc_sli4_pdev_status_reg_wait(phba);
1747 /* no privilege for reset */
1748 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
1749 "3150 No privilege to perform the requested "
1750 "access: x%x\n", reg_val);
1751 } else if (rc == -EIO) {
1752 /* reset failed, there is nothing more we can do */
1753 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
1754 "3153 Fail to perform the requested "
1755 "access: x%x\n", reg_val);
1756 if (phba->fw_dump_cmpl)
1757 phba->fw_dump_cmpl = NULL;
1761 /* keep the original port state */
1762 if (before_fc_flag & FC_OFFLINE_MODE) {
1763 if (phba->fw_dump_cmpl)
1764 phba->fw_dump_cmpl = NULL;
1768 /* Firmware dump will trigger an HA_ERATT event, and
1769 * lpfc_handle_eratt_s4 routine already handles bringing the port back
1772 if (opcode == LPFC_FW_DUMP) {
1773 wait_for_completion(phba->fw_dump_cmpl);
1775 init_completion(&online_compl);
1776 job_posted = lpfc_workq_post_event(phba, &status, &online_compl,
1781 wait_for_completion(&online_compl);
1784 /* in any case, restore the virtual functions enabled as before */
1785 if (sriov_nr_virtfn) {
1786 /* If fw_dump was performed, first disable to clean up */
1787 if (opcode == LPFC_FW_DUMP) {
1788 pci_disable_sriov(pdev);
1789 phba->cfg_sriov_nr_virtfn = 0;
1793 lpfc_sli_probe_sriov_nr_virtfn(phba, sriov_nr_virtfn);
1795 phba->cfg_sriov_nr_virtfn = sriov_nr_virtfn;
1798 /* return proper error code */
1809 * lpfc_nport_evt_cnt_show - Return the number of nport events
1810 * @dev: class device that is converted into a Scsi_host.
1811 * @attr: device attribute, not used.
1812 * @buf: on return contains the ascii number of nport events.
1814 * Returns: size of formatted string.
1817 lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr,
1820 struct Scsi_Host *shost = class_to_shost(dev);
1821 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1822 struct lpfc_hba *phba = vport->phba;
1824 return scnprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
1828 lpfc_set_trunking(struct lpfc_hba *phba, char *buff_out)
1830 LPFC_MBOXQ_t *mbox = NULL;
1831 unsigned long val = 0;
1835 if (!strncmp("enable", buff_out,
1836 strlen("enable"))) {
1837 pval = buff_out + strlen("enable") + 1;
1838 rc = kstrtoul(pval, 0, &val);
1840 return rc; /* Invalid number */
1841 } else if (!strncmp("disable", buff_out,
1842 strlen("disable"))) {
1845 return -EINVAL; /* Invalid command */
1850 val = 0x0; /* Disable */
1853 val = 0x1; /* Enable two port trunk */
1856 val = 0x2; /* Enable four port trunk */
1862 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1863 "0070 Set trunk mode with val %ld ", val);
1865 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1869 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
1870 LPFC_MBOX_OPCODE_FCOE_FC_SET_TRUNK_MODE,
1871 12, LPFC_SLI4_MBX_EMBED);
1873 bf_set(lpfc_mbx_set_trunk_mode,
1874 &mbox->u.mqe.un.set_trunk_mode,
1876 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
1878 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1879 "0071 Set trunk mode failed with status: %d",
1881 mempool_free(mbox, phba->mbox_mem_pool);
1887 lpfc_xcvr_data_show(struct device *dev, struct device_attribute *attr,
1890 struct Scsi_Host *shost = class_to_shost(dev);
1891 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
1892 struct lpfc_hba *phba = vport->phba;
1895 struct lpfc_rdp_context *rdp_context;
1903 struct sff_trasnceiver_codes_byte7 *trasn_code_byte7;
1905 /* Get transceiver information */
1906 rdp_context = kmalloc(sizeof(*rdp_context), GFP_KERNEL);
1908 rc = lpfc_get_sfp_info_wait(phba, rdp_context);
1910 len = scnprintf(buf, PAGE_SIZE - len, "SFP info NA:\n");
1914 strscpy(chbuf, &rdp_context->page_a0[SSF_VENDOR_NAME], 16);
1916 len = scnprintf(buf, PAGE_SIZE - len, "VendorName:\t%s\n", chbuf);
1917 len += scnprintf(buf + len, PAGE_SIZE - len,
1918 "VendorOUI:\t%02x-%02x-%02x\n",
1919 (uint8_t)rdp_context->page_a0[SSF_VENDOR_OUI],
1920 (uint8_t)rdp_context->page_a0[SSF_VENDOR_OUI + 1],
1921 (uint8_t)rdp_context->page_a0[SSF_VENDOR_OUI + 2]);
1922 strscpy(chbuf, &rdp_context->page_a0[SSF_VENDOR_PN], 16);
1923 len += scnprintf(buf + len, PAGE_SIZE - len, "VendorPN:\t%s\n", chbuf);
1924 strscpy(chbuf, &rdp_context->page_a0[SSF_VENDOR_SN], 16);
1925 len += scnprintf(buf + len, PAGE_SIZE - len, "VendorSN:\t%s\n", chbuf);
1926 strscpy(chbuf, &rdp_context->page_a0[SSF_VENDOR_REV], 4);
1927 len += scnprintf(buf + len, PAGE_SIZE - len, "VendorRev:\t%s\n", chbuf);
1928 strscpy(chbuf, &rdp_context->page_a0[SSF_DATE_CODE], 8);
1929 len += scnprintf(buf + len, PAGE_SIZE - len, "DateCode:\t%s\n", chbuf);
1930 len += scnprintf(buf + len, PAGE_SIZE - len, "Identifier:\t%xh\n",
1931 (uint8_t)rdp_context->page_a0[SSF_IDENTIFIER]);
1932 len += scnprintf(buf + len, PAGE_SIZE - len, "ExtIdentifier:\t%xh\n",
1933 (uint8_t)rdp_context->page_a0[SSF_EXT_IDENTIFIER]);
1934 len += scnprintf(buf + len, PAGE_SIZE - len, "Connector:\t%xh\n",
1935 (uint8_t)rdp_context->page_a0[SSF_CONNECTOR]);
1936 wavelength = (rdp_context->page_a0[SSF_WAVELENGTH_B1] << 8) |
1937 rdp_context->page_a0[SSF_WAVELENGTH_B0];
1939 len += scnprintf(buf + len, PAGE_SIZE - len, "Wavelength:\t%d nm\n",
1941 trasn_code_byte7 = (struct sff_trasnceiver_codes_byte7 *)
1942 &rdp_context->page_a0[SSF_TRANSCEIVER_CODE_B7];
1944 len += scnprintf(buf + len, PAGE_SIZE - len, "Speeds: \t");
1945 if (*(uint8_t *)trasn_code_byte7 == 0) {
1946 len += scnprintf(buf + len, PAGE_SIZE - len, "Unknown\n");
1948 if (trasn_code_byte7->fc_sp_100MB)
1949 len += scnprintf(buf + len, PAGE_SIZE - len, "1 ");
1950 if (trasn_code_byte7->fc_sp_200mb)
1951 len += scnprintf(buf + len, PAGE_SIZE - len, "2 ");
1952 if (trasn_code_byte7->fc_sp_400MB)
1953 len += scnprintf(buf + len, PAGE_SIZE - len, "4 ");
1954 if (trasn_code_byte7->fc_sp_800MB)
1955 len += scnprintf(buf + len, PAGE_SIZE - len, "8 ");
1956 if (trasn_code_byte7->fc_sp_1600MB)
1957 len += scnprintf(buf + len, PAGE_SIZE - len, "16 ");
1958 if (trasn_code_byte7->fc_sp_3200MB)
1959 len += scnprintf(buf + len, PAGE_SIZE - len, "32 ");
1960 if (trasn_code_byte7->speed_chk_ecc)
1961 len += scnprintf(buf + len, PAGE_SIZE - len, "64 ");
1962 len += scnprintf(buf + len, PAGE_SIZE - len, "GB\n");
1964 temperature = (rdp_context->page_a2[SFF_TEMPERATURE_B1] << 8 |
1965 rdp_context->page_a2[SFF_TEMPERATURE_B0]);
1966 vcc = (rdp_context->page_a2[SFF_VCC_B1] << 8 |
1967 rdp_context->page_a2[SFF_VCC_B0]);
1968 tx_power = (rdp_context->page_a2[SFF_TXPOWER_B1] << 8 |
1969 rdp_context->page_a2[SFF_TXPOWER_B0]);
1970 tx_bias = (rdp_context->page_a2[SFF_TX_BIAS_CURRENT_B1] << 8 |
1971 rdp_context->page_a2[SFF_TX_BIAS_CURRENT_B0]);
1972 rx_power = (rdp_context->page_a2[SFF_RXPOWER_B1] << 8 |
1973 rdp_context->page_a2[SFF_RXPOWER_B0]);
1975 len += scnprintf(buf + len, PAGE_SIZE - len,
1976 "Temperature:\tx%04x C\n", temperature);
1977 len += scnprintf(buf + len, PAGE_SIZE - len, "Vcc:\t\tx%04x V\n", vcc);
1978 len += scnprintf(buf + len, PAGE_SIZE - len,
1979 "TxBiasCurrent:\tx%04x mA\n", tx_bias);
1980 len += scnprintf(buf + len, PAGE_SIZE - len, "TxPower:\tx%04x mW\n",
1982 len += scnprintf(buf + len, PAGE_SIZE - len, "RxPower:\tx%04x mW\n",
1990 * lpfc_board_mode_show - Return the state of the board
1991 * @dev: class device that is converted into a Scsi_host.
1992 * @attr: device attribute, not used.
1993 * @buf: on return contains the state of the adapter.
1995 * Returns: size of formatted string.
1998 lpfc_board_mode_show(struct device *dev, struct device_attribute *attr,
2001 struct Scsi_Host *shost = class_to_shost(dev);
2002 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2003 struct lpfc_hba *phba = vport->phba;
2006 if (phba->link_state == LPFC_HBA_ERROR)
2008 else if (phba->link_state == LPFC_WARM_START)
2009 state = "warm start";
2010 else if (phba->link_state == LPFC_INIT_START)
2015 return scnprintf(buf, PAGE_SIZE, "%s\n", state);
2019 * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state
2020 * @dev: class device that is converted into a Scsi_host.
2021 * @attr: device attribute, not used.
2022 * @buf: containing one of the strings "online", "offline", "warm" or "error".
2023 * @count: unused variable.
2026 * -EACCES if enable hba reset not enabled
2027 * -EINVAL if the buffer does not contain a valid string (see above)
2028 * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails
2029 * buf length greater than zero indicates success
2032 lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
2033 const char *buf, size_t count)
2035 struct Scsi_Host *shost = class_to_shost(dev);
2036 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2037 struct lpfc_hba *phba = vport->phba;
2038 struct completion online_compl;
2039 char *board_mode_str = NULL;
2043 if (!phba->cfg_enable_hba_reset) {
2045 goto board_mode_out;
2048 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2049 "3050 lpfc_board_mode set to %s\n", buf);
2051 init_completion(&online_compl);
2053 if(strncmp(buf, "online", sizeof("online") - 1) == 0) {
2054 rc = lpfc_workq_post_event(phba, &status, &online_compl,
2058 goto board_mode_out;
2060 wait_for_completion(&online_compl);
2063 } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
2064 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
2065 else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
2066 if (phba->sli_rev == LPFC_SLI_REV4)
2069 status = lpfc_do_offline(phba, LPFC_EVT_WARM_START);
2070 else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
2071 if (phba->sli_rev == LPFC_SLI_REV4)
2074 status = lpfc_do_offline(phba, LPFC_EVT_KILL);
2075 else if (strncmp(buf, "dump", sizeof("dump") - 1) == 0)
2076 status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_DUMP);
2077 else if (strncmp(buf, "fw_reset", sizeof("fw_reset") - 1) == 0)
2078 status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_RESET);
2079 else if (strncmp(buf, "dv_reset", sizeof("dv_reset") - 1) == 0)
2080 status = lpfc_sli4_pdev_reg_request(phba, LPFC_DV_RESET);
2081 else if (strncmp(buf, "pci_bus_reset", sizeof("pci_bus_reset") - 1)
2083 status = lpfc_reset_pci_bus(phba);
2084 else if (strncmp(buf, "heartbeat", sizeof("heartbeat") - 1) == 0)
2085 lpfc_issue_hb_tmo(phba);
2086 else if (strncmp(buf, "trunk", sizeof("trunk") - 1) == 0)
2087 status = lpfc_set_trunking(phba, (char *)buf + sizeof("trunk"));
2095 board_mode_str = strchr(buf, '\n');
2097 *board_mode_str = '\0';
2098 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2099 "3097 Failed \"%s\", status(%d), "
2101 buf, status, phba->pport->fc_flag);
2107 * lpfc_get_hba_info - Return various bits of informaton about the adapter
2108 * @phba: pointer to the adapter structure.
2109 * @mxri: max xri count.
2110 * @axri: available xri count.
2111 * @mrpi: max rpi count.
2112 * @arpi: available rpi count.
2113 * @mvpi: max vpi count.
2114 * @avpi: available vpi count.
2117 * If an integer pointer for an count is not null then the value for the
2118 * count is returned.
2125 lpfc_get_hba_info(struct lpfc_hba *phba,
2126 uint32_t *mxri, uint32_t *axri,
2127 uint32_t *mrpi, uint32_t *arpi,
2128 uint32_t *mvpi, uint32_t *avpi)
2130 struct lpfc_mbx_read_config *rd_config;
2131 LPFC_MBOXQ_t *pmboxq;
2137 * prevent udev from issuing mailbox commands until the port is
2140 if (phba->link_state < LPFC_LINK_DOWN ||
2141 !phba->mbox_mem_pool ||
2142 (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0)
2145 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
2148 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2151 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
2153 pmb = &pmboxq->u.mb;
2154 pmb->mbxCommand = MBX_READ_CONFIG;
2155 pmb->mbxOwner = OWN_HOST;
2156 pmboxq->ctx_buf = NULL;
2158 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
2159 rc = MBX_NOT_FINISHED;
2161 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2163 if (rc != MBX_SUCCESS) {
2164 if (rc != MBX_TIMEOUT)
2165 mempool_free(pmboxq, phba->mbox_mem_pool);
2169 if (phba->sli_rev == LPFC_SLI_REV4) {
2170 rd_config = &pmboxq->u.mqe.un.rd_config;
2172 *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
2174 *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) -
2175 phba->sli4_hba.max_cfg_param.rpi_used;
2177 *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
2179 *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) -
2180 phba->sli4_hba.max_cfg_param.xri_used;
2182 /* Account for differences with SLI-3. Get vpi count from
2183 * mailbox data and subtract one for max vpi value.
2185 max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ?
2186 (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0;
2188 /* Limit the max we support */
2189 if (max_vpi > LPFC_MAX_VPI)
2190 max_vpi = LPFC_MAX_VPI;
2194 *avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used;
2197 *mrpi = pmb->un.varRdConfig.max_rpi;
2199 *arpi = pmb->un.varRdConfig.avail_rpi;
2201 *mxri = pmb->un.varRdConfig.max_xri;
2203 *axri = pmb->un.varRdConfig.avail_xri;
2205 *mvpi = pmb->un.varRdConfig.max_vpi;
2207 /* avail_vpi is only valid if link is up and ready */
2208 if (phba->link_state == LPFC_HBA_READY)
2209 *avpi = pmb->un.varRdConfig.avail_vpi;
2211 *avpi = pmb->un.varRdConfig.max_vpi;
2215 mempool_free(pmboxq, phba->mbox_mem_pool);
2220 * lpfc_max_rpi_show - Return maximum rpi
2221 * @dev: class device that is converted into a Scsi_host.
2222 * @attr: device attribute, not used.
2223 * @buf: on return contains the maximum rpi count in decimal or "Unknown".
2226 * Calls lpfc_get_hba_info() asking for just the mrpi count.
2227 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
2228 * to "Unknown" and the buffer length is returned, therefore the caller
2229 * must check for "Unknown" in the buffer to detect a failure.
2231 * Returns: size of formatted string.
2234 lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr,
2237 struct Scsi_Host *shost = class_to_shost(dev);
2238 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2239 struct lpfc_hba *phba = vport->phba;
2242 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL))
2243 return scnprintf(buf, PAGE_SIZE, "%d\n", cnt);
2244 return scnprintf(buf, PAGE_SIZE, "Unknown\n");
2248 * lpfc_used_rpi_show - Return maximum rpi minus available rpi
2249 * @dev: class device that is converted into a Scsi_host.
2250 * @attr: device attribute, not used.
2251 * @buf: containing the used rpi count in decimal or "Unknown".
2254 * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts.
2255 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
2256 * to "Unknown" and the buffer length is returned, therefore the caller
2257 * must check for "Unknown" in the buffer to detect a failure.
2259 * Returns: size of formatted string.
2262 lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr,
2265 struct Scsi_Host *shost = class_to_shost(dev);
2266 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2267 struct lpfc_hba *phba = vport->phba;
2270 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL))
2271 return scnprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
2272 return scnprintf(buf, PAGE_SIZE, "Unknown\n");
2276 * lpfc_max_xri_show - Return maximum xri
2277 * @dev: class device that is converted into a Scsi_host.
2278 * @attr: device attribute, not used.
2279 * @buf: on return contains the maximum xri count in decimal or "Unknown".
2282 * Calls lpfc_get_hba_info() asking for just the mrpi count.
2283 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
2284 * to "Unknown" and the buffer length is returned, therefore the caller
2285 * must check for "Unknown" in the buffer to detect a failure.
2287 * Returns: size of formatted string.
2290 lpfc_max_xri_show(struct device *dev, struct device_attribute *attr,
2293 struct Scsi_Host *shost = class_to_shost(dev);
2294 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2295 struct lpfc_hba *phba = vport->phba;
2298 if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL))
2299 return scnprintf(buf, PAGE_SIZE, "%d\n", cnt);
2300 return scnprintf(buf, PAGE_SIZE, "Unknown\n");
2304 * lpfc_used_xri_show - Return maximum xpi minus the available xpi
2305 * @dev: class device that is converted into a Scsi_host.
2306 * @attr: device attribute, not used.
2307 * @buf: on return contains the used xri count in decimal or "Unknown".
2310 * Calls lpfc_get_hba_info() asking for just the mxri and axri counts.
2311 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
2312 * to "Unknown" and the buffer length is returned, therefore the caller
2313 * must check for "Unknown" in the buffer to detect a failure.
2315 * Returns: size of formatted string.
2318 lpfc_used_xri_show(struct device *dev, struct device_attribute *attr,
2321 struct Scsi_Host *shost = class_to_shost(dev);
2322 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2323 struct lpfc_hba *phba = vport->phba;
2326 if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL))
2327 return scnprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
2328 return scnprintf(buf, PAGE_SIZE, "Unknown\n");
2332 * lpfc_max_vpi_show - Return maximum vpi
2333 * @dev: class device that is converted into a Scsi_host.
2334 * @attr: device attribute, not used.
2335 * @buf: on return contains the maximum vpi count in decimal or "Unknown".
2338 * Calls lpfc_get_hba_info() asking for just the mvpi count.
2339 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
2340 * to "Unknown" and the buffer length is returned, therefore the caller
2341 * must check for "Unknown" in the buffer to detect a failure.
2343 * Returns: size of formatted string.
2346 lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr,
2349 struct Scsi_Host *shost = class_to_shost(dev);
2350 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2351 struct lpfc_hba *phba = vport->phba;
2354 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL))
2355 return scnprintf(buf, PAGE_SIZE, "%d\n", cnt);
2356 return scnprintf(buf, PAGE_SIZE, "Unknown\n");
2360 * lpfc_used_vpi_show - Return maximum vpi minus the available vpi
2361 * @dev: class device that is converted into a Scsi_host.
2362 * @attr: device attribute, not used.
2363 * @buf: on return contains the used vpi count in decimal or "Unknown".
2366 * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts.
2367 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
2368 * to "Unknown" and the buffer length is returned, therefore the caller
2369 * must check for "Unknown" in the buffer to detect a failure.
2371 * Returns: size of formatted string.
2374 lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr,
2377 struct Scsi_Host *shost = class_to_shost(dev);
2378 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2379 struct lpfc_hba *phba = vport->phba;
2382 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt))
2383 return scnprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
2384 return scnprintf(buf, PAGE_SIZE, "Unknown\n");
2388 * lpfc_npiv_info_show - Return text about NPIV support for the adapter
2389 * @dev: class device that is converted into a Scsi_host.
2390 * @attr: device attribute, not used.
2391 * @buf: text that must be interpreted to determine if npiv is supported.
2394 * Buffer will contain text indicating npiv is not suppoerted on the port,
2395 * the port is an NPIV physical port, or it is an npiv virtual port with
2396 * the id of the vport.
2398 * Returns: size of formatted string.
2401 lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr,
2404 struct Scsi_Host *shost = class_to_shost(dev);
2405 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2406 struct lpfc_hba *phba = vport->phba;
2408 if (!(phba->max_vpi))
2409 return scnprintf(buf, PAGE_SIZE, "NPIV Not Supported\n");
2410 if (vport->port_type == LPFC_PHYSICAL_PORT)
2411 return scnprintf(buf, PAGE_SIZE, "NPIV Physical\n");
2412 return scnprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi);
2416 * lpfc_poll_show - Return text about poll support for the adapter
2417 * @dev: class device that is converted into a Scsi_host.
2418 * @attr: device attribute, not used.
2419 * @buf: on return contains the cfg_poll in hex.
2422 * cfg_poll should be a lpfc_polling_flags type.
2424 * Returns: size of formatted string.
2427 lpfc_poll_show(struct device *dev, struct device_attribute *attr,
2430 struct Scsi_Host *shost = class_to_shost(dev);
2431 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2432 struct lpfc_hba *phba = vport->phba;
2434 return scnprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
2438 * lpfc_poll_store - Set the value of cfg_poll for the adapter
2439 * @dev: class device that is converted into a Scsi_host.
2440 * @attr: device attribute, not used.
2441 * @buf: one or more lpfc_polling_flags values.
2445 * buf contents converted to integer and checked for a valid value.
2448 * -EINVAL if the buffer connot be converted or is out of range
2449 * length of the buf on success
2452 lpfc_poll_store(struct device *dev, struct device_attribute *attr,
2453 const char *buf, size_t count)
2455 struct Scsi_Host *shost = class_to_shost(dev);
2456 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2457 struct lpfc_hba *phba = vport->phba;
2462 if (!isdigit(buf[0]))
2465 if (sscanf(buf, "%i", &val) != 1)
2468 if ((val & 0x3) != val)
2471 if (phba->sli_rev == LPFC_SLI_REV4)
2474 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2475 "3051 lpfc_poll changed from %d to %d\n",
2476 phba->cfg_poll, val);
2478 spin_lock_irq(&phba->hbalock);
2480 old_val = phba->cfg_poll;
2482 if (val & ENABLE_FCP_RING_POLLING) {
2483 if ((val & DISABLE_FCP_RING_INT) &&
2484 !(old_val & DISABLE_FCP_RING_INT)) {
2485 if (lpfc_readl(phba->HCregaddr, &creg_val)) {
2486 spin_unlock_irq(&phba->hbalock);
2489 creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
2490 writel(creg_val, phba->HCregaddr);
2491 readl(phba->HCregaddr); /* flush */
2493 lpfc_poll_start_timer(phba);
2495 } else if (val != 0x0) {
2496 spin_unlock_irq(&phba->hbalock);
2500 if (!(val & DISABLE_FCP_RING_INT) &&
2501 (old_val & DISABLE_FCP_RING_INT))
2503 spin_unlock_irq(&phba->hbalock);
2504 del_timer(&phba->fcp_poll_timer);
2505 spin_lock_irq(&phba->hbalock);
2506 if (lpfc_readl(phba->HCregaddr, &creg_val)) {
2507 spin_unlock_irq(&phba->hbalock);
2510 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
2511 writel(creg_val, phba->HCregaddr);
2512 readl(phba->HCregaddr); /* flush */
2515 phba->cfg_poll = val;
2517 spin_unlock_irq(&phba->hbalock);
2523 * lpfc_sriov_hw_max_virtfn_show - Return maximum number of virtual functions
2524 * @dev: class converted to a Scsi_host structure.
2525 * @attr: device attribute, not used.
2526 * @buf: on return contains the formatted support level.
2529 * Returns the maximum number of virtual functions a physical function can
2530 * support, 0 will be returned if called on virtual function.
2532 * Returns: size of formatted string.
2535 lpfc_sriov_hw_max_virtfn_show(struct device *dev,
2536 struct device_attribute *attr,
2539 struct Scsi_Host *shost = class_to_shost(dev);
2540 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2541 struct lpfc_hba *phba = vport->phba;
2542 uint16_t max_nr_virtfn;
2544 max_nr_virtfn = lpfc_sli_sriov_nr_virtfn_get(phba);
2545 return scnprintf(buf, PAGE_SIZE, "%d\n", max_nr_virtfn);
2549 * lpfc_enable_bbcr_set: Sets an attribute value.
2550 * @phba: pointer to the adapter structure.
2551 * @val: integer attribute value.
2554 * Validates the min and max values then sets the
2555 * adapter config field if in the valid range. prints error message
2556 * and does not set the parameter if invalid.
2560 * -EINVAL if val is invalid
2563 lpfc_enable_bbcr_set(struct lpfc_hba *phba, uint val)
2565 if (lpfc_rangecheck(val, 0, 1) && phba->sli_rev == LPFC_SLI_REV4) {
2566 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2567 "3068 lpfc_enable_bbcr changed from %d to "
2568 "%d\n", phba->cfg_enable_bbcr, val);
2569 phba->cfg_enable_bbcr = val;
2572 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2573 "0451 lpfc_enable_bbcr cannot set to %d, range is 0, "
2579 * lpfc_param_show - Return a cfg attribute value in decimal
2582 * Macro that given an attr e.g. hba_queue_depth expands
2583 * into a function with the name lpfc_hba_queue_depth_show.
2585 * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field.
2586 * @dev: class device that is converted into a Scsi_host.
2587 * @attr: device attribute, not used.
2588 * @buf: on return contains the attribute value in decimal.
2590 * Returns: size of formatted string.
2592 #define lpfc_param_show(attr) \
2594 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
2597 struct Scsi_Host *shost = class_to_shost(dev);\
2598 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2599 struct lpfc_hba *phba = vport->phba;\
2600 return scnprintf(buf, PAGE_SIZE, "%d\n",\
2605 * lpfc_param_hex_show - Return a cfg attribute value in hex
2608 * Macro that given an attr e.g. hba_queue_depth expands
2609 * into a function with the name lpfc_hba_queue_depth_show
2611 * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field.
2612 * @dev: class device that is converted into a Scsi_host.
2613 * @attr: device attribute, not used.
2614 * @buf: on return contains the attribute value in hexadecimal.
2616 * Returns: size of formatted string.
2618 #define lpfc_param_hex_show(attr) \
2620 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
2623 struct Scsi_Host *shost = class_to_shost(dev);\
2624 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2625 struct lpfc_hba *phba = vport->phba;\
2627 val = phba->cfg_##attr;\
2628 return scnprintf(buf, PAGE_SIZE, "%#x\n",\
2633 * lpfc_param_init - Initializes a cfg attribute
2636 * Macro that given an attr e.g. hba_queue_depth expands
2637 * into a function with the name lpfc_hba_queue_depth_init. The macro also
2638 * takes a default argument, a minimum and maximum argument.
2640 * lpfc_##attr##_init: Initializes an attribute.
2641 * @phba: pointer to the adapter structure.
2642 * @val: integer attribute value.
2644 * Validates the min and max values then sets the adapter config field
2645 * accordingly, or uses the default if out of range and prints an error message.
2649 * -EINVAL if default used
2651 #define lpfc_param_init(attr, default, minval, maxval) \
2653 lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \
2655 if (lpfc_rangecheck(val, minval, maxval)) {\
2656 phba->cfg_##attr = val;\
2659 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
2660 "0449 lpfc_"#attr" attribute cannot be set to %d, "\
2661 "allowed range is ["#minval", "#maxval"]\n", val); \
2662 phba->cfg_##attr = default;\
2667 * lpfc_param_set - Set a cfg attribute value
2670 * Macro that given an attr e.g. hba_queue_depth expands
2671 * into a function with the name lpfc_hba_queue_depth_set
2673 * lpfc_##attr##_set: Sets an attribute value.
2674 * @phba: pointer to the adapter structure.
2675 * @val: integer attribute value.
2678 * Validates the min and max values then sets the
2679 * adapter config field if in the valid range. prints error message
2680 * and does not set the parameter if invalid.
2684 * -EINVAL if val is invalid
2686 #define lpfc_param_set(attr, default, minval, maxval) \
2688 lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \
2690 if (lpfc_rangecheck(val, minval, maxval)) {\
2691 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
2692 "3052 lpfc_" #attr " changed from %d to %d\n", \
2693 phba->cfg_##attr, val); \
2694 phba->cfg_##attr = val;\
2697 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
2698 "0450 lpfc_"#attr" attribute cannot be set to %d, "\
2699 "allowed range is ["#minval", "#maxval"]\n", val); \
2704 * lpfc_param_store - Set a vport attribute value
2707 * Macro that given an attr e.g. hba_queue_depth expands
2708 * into a function with the name lpfc_hba_queue_depth_store.
2710 * lpfc_##attr##_store: Set an sttribute value.
2711 * @dev: class device that is converted into a Scsi_host.
2712 * @attr: device attribute, not used.
2713 * @buf: contains the attribute value in ascii.
2717 * Convert the ascii text number to an integer, then
2718 * use the lpfc_##attr##_set function to set the value.
2721 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
2722 * length of buffer upon success.
2724 #define lpfc_param_store(attr) \
2726 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
2727 const char *buf, size_t count) \
2729 struct Scsi_Host *shost = class_to_shost(dev);\
2730 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2731 struct lpfc_hba *phba = vport->phba;\
2733 if (!isdigit(buf[0]))\
2735 if (sscanf(buf, "%i", &val) != 1)\
2737 if (lpfc_##attr##_set(phba, val) == 0) \
2738 return strlen(buf);\
2744 * lpfc_vport_param_show - Return decimal formatted cfg attribute value
2747 * Macro that given an attr e.g. hba_queue_depth expands
2748 * into a function with the name lpfc_hba_queue_depth_show
2750 * lpfc_##attr##_show: prints the attribute value in decimal.
2751 * @dev: class device that is converted into a Scsi_host.
2752 * @attr: device attribute, not used.
2753 * @buf: on return contains the attribute value in decimal.
2755 * Returns: length of formatted string.
2757 #define lpfc_vport_param_show(attr) \
2759 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
2762 struct Scsi_Host *shost = class_to_shost(dev);\
2763 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2764 return scnprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
2768 * lpfc_vport_param_hex_show - Return hex formatted attribute value
2771 * Macro that given an attr e.g.
2772 * hba_queue_depth expands into a function with the name
2773 * lpfc_hba_queue_depth_show
2775 * lpfc_##attr##_show: prints the attribute value in hexadecimal.
2776 * @dev: class device that is converted into a Scsi_host.
2777 * @attr: device attribute, not used.
2778 * @buf: on return contains the attribute value in hexadecimal.
2780 * Returns: length of formatted string.
2782 #define lpfc_vport_param_hex_show(attr) \
2784 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
2787 struct Scsi_Host *shost = class_to_shost(dev);\
2788 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2789 return scnprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
2793 * lpfc_vport_param_init - Initialize a vport cfg attribute
2796 * Macro that given an attr e.g. hba_queue_depth expands
2797 * into a function with the name lpfc_hba_queue_depth_init. The macro also
2798 * takes a default argument, a minimum and maximum argument.
2800 * lpfc_##attr##_init: validates the min and max values then sets the
2801 * adapter config field accordingly, or uses the default if out of range
2802 * and prints an error message.
2803 * @phba: pointer to the adapter structure.
2804 * @val: integer attribute value.
2808 * -EINVAL if default used
2810 #define lpfc_vport_param_init(attr, default, minval, maxval) \
2812 lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \
2814 if (lpfc_rangecheck(val, minval, maxval)) {\
2815 vport->cfg_##attr = val;\
2818 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
2819 "0423 lpfc_"#attr" attribute cannot be set to %d, "\
2820 "allowed range is ["#minval", "#maxval"]\n", val); \
2821 vport->cfg_##attr = default;\
2826 * lpfc_vport_param_set - Set a vport cfg attribute
2829 * Macro that given an attr e.g. hba_queue_depth expands
2830 * into a function with the name lpfc_hba_queue_depth_set
2832 * lpfc_##attr##_set: validates the min and max values then sets the
2833 * adapter config field if in the valid range. prints error message
2834 * and does not set the parameter if invalid.
2835 * @phba: pointer to the adapter structure.
2836 * @val: integer attribute value.
2840 * -EINVAL if val is invalid
2842 #define lpfc_vport_param_set(attr, default, minval, maxval) \
2844 lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \
2846 if (lpfc_rangecheck(val, minval, maxval)) {\
2847 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
2848 "3053 lpfc_" #attr \
2849 " changed from %d (x%x) to %d (x%x)\n", \
2850 vport->cfg_##attr, vport->cfg_##attr, \
2852 vport->cfg_##attr = val;\
2855 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
2856 "0424 lpfc_"#attr" attribute cannot be set to %d, "\
2857 "allowed range is ["#minval", "#maxval"]\n", val); \
2862 * lpfc_vport_param_store - Set a vport attribute
2865 * Macro that given an attr e.g. hba_queue_depth
2866 * expands into a function with the name lpfc_hba_queue_depth_store
2868 * lpfc_##attr##_store: convert the ascii text number to an integer, then
2869 * use the lpfc_##attr##_set function to set the value.
2870 * @cdev: class device that is converted into a Scsi_host.
2871 * @buf: contains the attribute value in decimal.
2875 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
2876 * length of buffer upon success.
2878 #define lpfc_vport_param_store(attr) \
2880 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
2881 const char *buf, size_t count) \
2883 struct Scsi_Host *shost = class_to_shost(dev);\
2884 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2886 if (!isdigit(buf[0]))\
2888 if (sscanf(buf, "%i", &val) != 1)\
2890 if (lpfc_##attr##_set(vport, val) == 0) \
2891 return strlen(buf);\
2897 static DEVICE_ATTR(nvme_info, 0444, lpfc_nvme_info_show, NULL);
2898 static DEVICE_ATTR(scsi_stat, 0444, lpfc_scsi_stat_show, NULL);
2899 static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL);
2900 static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL);
2901 static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL);
2902 static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL);
2903 static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
2904 static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
2905 static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
2906 static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
2907 static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
2908 static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL);
2909 static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
2910 static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
2911 static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show,
2912 lpfc_link_state_store);
2913 static DEVICE_ATTR(option_rom_version, S_IRUGO,
2914 lpfc_option_rom_version_show, NULL);
2915 static DEVICE_ATTR(num_discovered_ports, S_IRUGO,
2916 lpfc_num_discovered_ports_show, NULL);
2917 static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
2918 static DEVICE_ATTR_RO(lpfc_drvr_version);
2919 static DEVICE_ATTR_RO(lpfc_enable_fip);
2920 static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
2921 lpfc_board_mode_show, lpfc_board_mode_store);
2922 static DEVICE_ATTR_RO(lpfc_xcvr_data);
2923 static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
2924 static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL);
2925 static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL);
2926 static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL);
2927 static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL);
2928 static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
2929 static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
2930 static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);
2931 static DEVICE_ATTR_RO(lpfc_temp_sensor);
2932 static DEVICE_ATTR_RO(lpfc_sriov_hw_max_virtfn);
2933 static DEVICE_ATTR(protocol, S_IRUGO, lpfc_sli4_protocol_show, NULL);
2934 static DEVICE_ATTR(lpfc_xlane_supported, S_IRUGO, lpfc_oas_supported_show,
2936 static DEVICE_ATTR(cmf_info, 0444, lpfc_cmf_info_show, NULL);
2940 * lpfc_wwn_set - Convert string to the 8 byte WWN value.
2942 * @cnt: Length of string.
2943 * @wwn: Array to receive converted wwn value.
2946 * -EINVAL if the buffer does not contain a valid wwn
2950 lpfc_wwn_set(const char *buf, size_t cnt, char wwn[])
2954 /* Count may include a LF at end of string */
2955 if (buf[cnt-1] == '\n')
2958 if ((cnt < 16) || (cnt > 18) || ((cnt == 17) && (*buf++ != 'x')) ||
2959 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
2962 memset(wwn, 0, WWN_SZ);
2964 /* Validate and store the new name */
2965 for (i = 0, j = 0; i < 16; i++) {
2966 if ((*buf >= 'a') && (*buf <= 'f'))
2967 j = ((j << 4) | ((*buf++ - 'a') + 10));
2968 else if ((*buf >= 'A') && (*buf <= 'F'))
2969 j = ((j << 4) | ((*buf++ - 'A') + 10));
2970 else if ((*buf >= '0') && (*buf <= '9'))
2971 j = ((j << 4) | (*buf++ - '0'));
2975 wwn[i/2] = j & 0xff;
2984 * lpfc_oas_tgt_show - Return wwpn of target whose luns maybe enabled for
2985 * Optimized Access Storage (OAS) operations.
2986 * @dev: class device that is converted into a Scsi_host.
2987 * @attr: device attribute, not used.
2988 * @buf: buffer for passing information.
2994 lpfc_oas_tgt_show(struct device *dev, struct device_attribute *attr,
2997 struct Scsi_Host *shost = class_to_shost(dev);
2998 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3000 return scnprintf(buf, PAGE_SIZE, "0x%llx\n",
3001 wwn_to_u64(phba->cfg_oas_tgt_wwpn));
3005 * lpfc_oas_tgt_store - Store wwpn of target whose luns maybe enabled for
3006 * Optimized Access Storage (OAS) operations.
3007 * @dev: class device that is converted into a Scsi_host.
3008 * @attr: device attribute, not used.
3009 * @buf: buffer for passing information.
3010 * @count: Size of the data buffer.
3013 * -EINVAL count is invalid, invalid wwpn byte invalid
3014 * -EPERM oas is not supported by hba
3015 * value of count on success
3018 lpfc_oas_tgt_store(struct device *dev, struct device_attribute *attr,
3019 const char *buf, size_t count)
3021 struct Scsi_Host *shost = class_to_shost(dev);
3022 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3023 unsigned int cnt = count;
3024 uint8_t wwpn[WWN_SZ];
3030 /* count may include a LF at end of string */
3031 if (buf[cnt-1] == '\n')
3034 rc = lpfc_wwn_set(buf, cnt, wwpn);
3038 memcpy(phba->cfg_oas_tgt_wwpn, wwpn, (8 * sizeof(uint8_t)));
3039 memcpy(phba->sli4_hba.oas_next_tgt_wwpn, wwpn, (8 * sizeof(uint8_t)));
3040 if (wwn_to_u64(wwpn) == 0)
3041 phba->cfg_oas_flags |= OAS_FIND_ANY_TARGET;
3043 phba->cfg_oas_flags &= ~OAS_FIND_ANY_TARGET;
3044 phba->cfg_oas_flags &= ~OAS_LUN_VALID;
3045 phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN;
3048 static DEVICE_ATTR(lpfc_xlane_tgt, S_IRUGO | S_IWUSR,
3049 lpfc_oas_tgt_show, lpfc_oas_tgt_store);
3052 * lpfc_oas_priority_show - Return wwpn of target whose luns maybe enabled for
3053 * Optimized Access Storage (OAS) operations.
3054 * @dev: class device that is converted into a Scsi_host.
3055 * @attr: device attribute, not used.
3056 * @buf: buffer for passing information.
3062 lpfc_oas_priority_show(struct device *dev, struct device_attribute *attr,
3065 struct Scsi_Host *shost = class_to_shost(dev);
3066 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3068 return scnprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_priority);
3072 * lpfc_oas_priority_store - Store wwpn of target whose luns maybe enabled for
3073 * Optimized Access Storage (OAS) operations.
3074 * @dev: class device that is converted into a Scsi_host.
3075 * @attr: device attribute, not used.
3076 * @buf: buffer for passing information.
3077 * @count: Size of the data buffer.
3080 * -EINVAL count is invalid, invalid wwpn byte invalid
3081 * -EPERM oas is not supported by hba
3082 * value of count on success
3085 lpfc_oas_priority_store(struct device *dev, struct device_attribute *attr,
3086 const char *buf, size_t count)
3088 struct Scsi_Host *shost = class_to_shost(dev);
3089 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3090 unsigned int cnt = count;
3097 /* count may include a LF at end of string */
3098 if (buf[cnt-1] == '\n')
3101 ret = kstrtoul(buf, 0, &val);
3102 if (ret || (val > 0x7f))
3106 phba->cfg_oas_priority = (uint8_t)val;
3108 phba->cfg_oas_priority = phba->cfg_XLanePriority;
3111 static DEVICE_ATTR(lpfc_xlane_priority, S_IRUGO | S_IWUSR,
3112 lpfc_oas_priority_show, lpfc_oas_priority_store);
3115 * lpfc_oas_vpt_show - Return wwpn of vport whose targets maybe enabled
3116 * for Optimized Access Storage (OAS) operations.
3117 * @dev: class device that is converted into a Scsi_host.
3118 * @attr: device attribute, not used.
3119 * @buf: buffer for passing information.
3122 * value of count on success
3125 lpfc_oas_vpt_show(struct device *dev, struct device_attribute *attr,
3128 struct Scsi_Host *shost = class_to_shost(dev);
3129 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3131 return scnprintf(buf, PAGE_SIZE, "0x%llx\n",
3132 wwn_to_u64(phba->cfg_oas_vpt_wwpn));
3136 * lpfc_oas_vpt_store - Store wwpn of vport whose targets maybe enabled
3137 * for Optimized Access Storage (OAS) operations.
3138 * @dev: class device that is converted into a Scsi_host.
3139 * @attr: device attribute, not used.
3140 * @buf: buffer for passing information.
3141 * @count: Size of the data buffer.
3144 * -EINVAL count is invalid, invalid wwpn byte invalid
3145 * -EPERM oas is not supported by hba
3146 * value of count on success
3149 lpfc_oas_vpt_store(struct device *dev, struct device_attribute *attr,
3150 const char *buf, size_t count)
3152 struct Scsi_Host *shost = class_to_shost(dev);
3153 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3154 unsigned int cnt = count;
3155 uint8_t wwpn[WWN_SZ];
3161 /* count may include a LF at end of string */
3162 if (buf[cnt-1] == '\n')
3165 rc = lpfc_wwn_set(buf, cnt, wwpn);
3169 memcpy(phba->cfg_oas_vpt_wwpn, wwpn, (8 * sizeof(uint8_t)));
3170 memcpy(phba->sli4_hba.oas_next_vpt_wwpn, wwpn, (8 * sizeof(uint8_t)));
3171 if (wwn_to_u64(wwpn) == 0)
3172 phba->cfg_oas_flags |= OAS_FIND_ANY_VPORT;
3174 phba->cfg_oas_flags &= ~OAS_FIND_ANY_VPORT;
3175 phba->cfg_oas_flags &= ~OAS_LUN_VALID;
3176 if (phba->cfg_oas_priority == 0)
3177 phba->cfg_oas_priority = phba->cfg_XLanePriority;
3178 phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN;
3181 static DEVICE_ATTR(lpfc_xlane_vpt, S_IRUGO | S_IWUSR,
3182 lpfc_oas_vpt_show, lpfc_oas_vpt_store);
3185 * lpfc_oas_lun_state_show - Return the current state (enabled or disabled)
3186 * of whether luns will be enabled or disabled
3187 * for Optimized Access Storage (OAS) operations.
3188 * @dev: class device that is converted into a Scsi_host.
3189 * @attr: device attribute, not used.
3190 * @buf: buffer for passing information.
3193 * size of formatted string.
3196 lpfc_oas_lun_state_show(struct device *dev, struct device_attribute *attr,
3199 struct Scsi_Host *shost = class_to_shost(dev);
3200 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3202 return scnprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_lun_state);
3206 * lpfc_oas_lun_state_store - Store the state (enabled or disabled)
3207 * of whether luns will be enabled or disabled
3208 * for Optimized Access Storage (OAS) operations.
3209 * @dev: class device that is converted into a Scsi_host.
3210 * @attr: device attribute, not used.
3211 * @buf: buffer for passing information.
3212 * @count: Size of the data buffer.
3215 * -EINVAL count is invalid, invalid wwpn byte invalid
3216 * -EPERM oas is not supported by hba
3217 * value of count on success
3220 lpfc_oas_lun_state_store(struct device *dev, struct device_attribute *attr,
3221 const char *buf, size_t count)
3223 struct Scsi_Host *shost = class_to_shost(dev);
3224 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3230 if (!isdigit(buf[0]))
3233 if (sscanf(buf, "%i", &val) != 1)
3236 if ((val != 0) && (val != 1))
3239 phba->cfg_oas_lun_state = val;
3242 static DEVICE_ATTR(lpfc_xlane_lun_state, S_IRUGO | S_IWUSR,
3243 lpfc_oas_lun_state_show, lpfc_oas_lun_state_store);
3246 * lpfc_oas_lun_status_show - Return the status of the Optimized Access
3247 * Storage (OAS) lun returned by the
3248 * lpfc_oas_lun_show function.
3249 * @dev: class device that is converted into a Scsi_host.
3250 * @attr: device attribute, not used.
3251 * @buf: buffer for passing information.
3254 * size of formatted string.
3257 lpfc_oas_lun_status_show(struct device *dev, struct device_attribute *attr,
3260 struct Scsi_Host *shost = class_to_shost(dev);
3261 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3263 if (!(phba->cfg_oas_flags & OAS_LUN_VALID))
3266 return scnprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_lun_status);
3268 static DEVICE_ATTR(lpfc_xlane_lun_status, S_IRUGO,
3269 lpfc_oas_lun_status_show, NULL);
3273 * lpfc_oas_lun_state_set - enable or disable a lun for Optimized Access Storage
3275 * @phba: lpfc_hba pointer.
3276 * @vpt_wwpn: wwpn of the vport associated with the returned lun
3277 * @tgt_wwpn: wwpn of the target associated with the returned lun
3278 * @lun: the fc lun for setting oas state.
3279 * @oas_state: the oas state to be set to the lun.
3284 * -EPERM OAS is not enabled or not supported by this port.
3288 lpfc_oas_lun_state_set(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
3289 uint8_t tgt_wwpn[], uint64_t lun,
3290 uint32_t oas_state, uint8_t pri)
3299 if (!lpfc_enable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn,
3300 (struct lpfc_name *)tgt_wwpn,
3304 lpfc_disable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn,
3305 (struct lpfc_name *)tgt_wwpn, lun, pri);
3312 * lpfc_oas_lun_get_next - get the next lun that has been enabled for Optimized
3313 * Access Storage (OAS) operations.
3314 * @phba: lpfc_hba pointer.
3315 * @vpt_wwpn: wwpn of the vport associated with the returned lun
3316 * @tgt_wwpn: wwpn of the target associated with the returned lun
3317 * @lun_status: status of the lun returned lun
3318 * @lun_pri: priority of the lun returned lun
3320 * Returns the first or next lun enabled for OAS operations for the vport/target
3321 * specified. If a lun is found, its vport wwpn, target wwpn and status is
3322 * returned. If the lun is not found, NOT_OAS_ENABLED_LUN is returned.
3325 * lun that is OAS enabled for the vport/target
3326 * NOT_OAS_ENABLED_LUN when no oas enabled lun found.
3329 lpfc_oas_lun_get_next(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
3330 uint8_t tgt_wwpn[], uint32_t *lun_status,
3335 if (unlikely(!phba) || !vpt_wwpn || !tgt_wwpn)
3336 return NOT_OAS_ENABLED_LUN;
3337 if (lpfc_find_next_oas_lun(phba, (struct lpfc_name *)
3338 phba->sli4_hba.oas_next_vpt_wwpn,
3339 (struct lpfc_name *)
3340 phba->sli4_hba.oas_next_tgt_wwpn,
3341 &phba->sli4_hba.oas_next_lun,
3342 (struct lpfc_name *)vpt_wwpn,
3343 (struct lpfc_name *)tgt_wwpn,
3344 &found_lun, lun_status, lun_pri))
3347 return NOT_OAS_ENABLED_LUN;
3351 * lpfc_oas_lun_state_change - enable/disable a lun for OAS operations
3352 * @phba: lpfc_hba pointer.
3353 * @vpt_wwpn: vport wwpn by reference.
3354 * @tgt_wwpn: target wwpn by reference.
3355 * @lun: the fc lun for setting oas state.
3356 * @oas_state: the oas state to be set to the oas_lun.
3359 * This routine enables (OAS_LUN_ENABLE) or disables (OAS_LUN_DISABLE)
3360 * a lun for OAS operations.
3364 * -ENOMEM: failed to enable an lun for OAS operations
3365 * -EPERM: OAS is not enabled
3368 lpfc_oas_lun_state_change(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
3369 uint8_t tgt_wwpn[], uint64_t lun,
3370 uint32_t oas_state, uint8_t pri)
3375 rc = lpfc_oas_lun_state_set(phba, vpt_wwpn, tgt_wwpn, lun,
3381 * lpfc_oas_lun_show - Return oas enabled luns from a chosen target
3382 * @dev: class device that is converted into a Scsi_host.
3383 * @attr: device attribute, not used.
3384 * @buf: buffer for passing information.
3386 * This routine returns a lun enabled for OAS each time the function
3390 * SUCCESS: size of formatted string.
3391 * -EFAULT: target or vport wwpn was not set properly.
3392 * -EPERM: oas is not enabled.
3395 lpfc_oas_lun_show(struct device *dev, struct device_attribute *attr,
3398 struct Scsi_Host *shost = class_to_shost(dev);
3399 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3407 if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0)
3408 if (!(phba->cfg_oas_flags & OAS_FIND_ANY_VPORT))
3411 if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0)
3412 if (!(phba->cfg_oas_flags & OAS_FIND_ANY_TARGET))
3415 oas_lun = lpfc_oas_lun_get_next(phba, phba->cfg_oas_vpt_wwpn,
3416 phba->cfg_oas_tgt_wwpn,
3417 &phba->cfg_oas_lun_status,
3418 &phba->cfg_oas_priority);
3419 if (oas_lun != NOT_OAS_ENABLED_LUN)
3420 phba->cfg_oas_flags |= OAS_LUN_VALID;
3422 len += scnprintf(buf + len, PAGE_SIZE-len, "0x%llx", oas_lun);
3428 * lpfc_oas_lun_store - Sets the OAS state for lun
3429 * @dev: class device that is converted into a Scsi_host.
3430 * @attr: device attribute, not used.
3431 * @buf: buffer for passing information.
3432 * @count: size of the formatting string
3434 * This function sets the OAS state for lun. Before this function is called,
3435 * the vport wwpn, target wwpn, and oas state need to be set.
3438 * SUCCESS: size of formatted string.
3439 * -EFAULT: target or vport wwpn was not set properly.
3440 * -EPERM: oas is not enabled.
3441 * size of formatted string.
3444 lpfc_oas_lun_store(struct device *dev, struct device_attribute *attr,
3445 const char *buf, size_t count)
3447 struct Scsi_Host *shost = class_to_shost(dev);
3448 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3456 if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0)
3459 if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0)
3462 if (!isdigit(buf[0]))
3465 if (sscanf(buf, "0x%llx", &scsi_lun) != 1)
3468 pri = phba->cfg_oas_priority;
3470 pri = phba->cfg_XLanePriority;
3472 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
3473 "3372 Try to set vport 0x%llx target 0x%llx lun:0x%llx "
3474 "priority 0x%x with oas state %d\n",
3475 wwn_to_u64(phba->cfg_oas_vpt_wwpn),
3476 wwn_to_u64(phba->cfg_oas_tgt_wwpn), scsi_lun,
3477 pri, phba->cfg_oas_lun_state);
3479 rc = lpfc_oas_lun_state_change(phba, phba->cfg_oas_vpt_wwpn,
3480 phba->cfg_oas_tgt_wwpn, scsi_lun,
3481 phba->cfg_oas_lun_state, pri);
3487 static DEVICE_ATTR(lpfc_xlane_lun, S_IRUGO | S_IWUSR,
3488 lpfc_oas_lun_show, lpfc_oas_lun_store);
3490 int lpfc_enable_nvmet_cnt;
3491 unsigned long long lpfc_enable_nvmet[LPFC_NVMET_MAX_PORTS] = {
3492 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
3493 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
3494 module_param_array(lpfc_enable_nvmet, ullong, &lpfc_enable_nvmet_cnt, 0444);
3495 MODULE_PARM_DESC(lpfc_enable_nvmet, "Enable HBA port(s) WWPN as a NVME Target");
3497 static int lpfc_poll = 0;
3498 module_param(lpfc_poll, int, S_IRUGO);
3499 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
3501 " 1 - poll with interrupts enabled"
3502 " 3 - poll and disable FCP ring interrupts");
3504 static DEVICE_ATTR_RW(lpfc_poll);
3506 int lpfc_no_hba_reset_cnt;
3507 unsigned long lpfc_no_hba_reset[MAX_HBAS_NO_RESET] = {
3508 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
3509 module_param_array(lpfc_no_hba_reset, ulong, &lpfc_no_hba_reset_cnt, 0444);
3510 MODULE_PARM_DESC(lpfc_no_hba_reset, "WWPN of HBAs that should not be reset");
3512 LPFC_ATTR(sli_mode, 3, 3, 3,
3513 "SLI mode selector: 3 - select SLI-3");
3515 LPFC_ATTR_R(enable_npiv, 1, 0, 1,
3516 "Enable NPIV functionality");
3518 LPFC_ATTR_R(fcf_failover_policy, 1, 1, 2,
3519 "FCF Fast failover=1 Priority failover=2");
3522 * lpfc_fcp_wait_abts_rsp: Modifies criteria for reporting completion of
3524 * The range is [0,1]. Default value is 0
3525 * 0, IO completes after ABTS issued (default).
3526 * 1, IO completes after receipt of ABTS response or timeout.
3528 LPFC_ATTR_R(fcp_wait_abts_rsp, 0, 0, 1, "Wait for FCP ABTS completion");
3531 # lpfc_enable_rrq: Track XRI/OXID reuse after IO failures
3532 # 0x0 = disabled, XRI/OXID use not tracked.
3533 # 0x1 = XRI/OXID reuse is timed with ratov, RRQ sent.
3534 # 0x2 = XRI/OXID reuse is timed with ratov, No RRQ sent.
3536 LPFC_ATTR_R(enable_rrq, 2, 0, 2,
3537 "Enable RRQ functionality");
3540 # lpfc_suppress_link_up: Bring link up at initialization
3541 # 0x0 = bring link up (issue MBX_INIT_LINK)
3542 # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK)
3543 # 0x2 = never bring up link
3544 # Default value is 0.
3546 LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK,
3547 LPFC_DELAY_INIT_LINK_INDEFINITELY,
3548 "Suppress Link Up at initialization");
3551 lpfc_pls_show(struct device *dev, struct device_attribute *attr, char *buf)
3553 struct Scsi_Host *shost = class_to_shost(dev);
3554 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3556 return scnprintf(buf, PAGE_SIZE, "%d\n",
3557 phba->sli4_hba.pc_sli4_params.pls);
3559 static DEVICE_ATTR(pls, 0444,
3560 lpfc_pls_show, NULL);
3563 lpfc_pt_show(struct device *dev, struct device_attribute *attr, char *buf)
3565 struct Scsi_Host *shost = class_to_shost(dev);
3566 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3568 return scnprintf(buf, PAGE_SIZE, "%d\n",
3569 (phba->hba_flag & HBA_PERSISTENT_TOPO) ? 1 : 0);
3571 static DEVICE_ATTR(pt, 0444,
3572 lpfc_pt_show, NULL);
3575 # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS
3583 lpfc_iocb_hw_show(struct device *dev, struct device_attribute *attr, char *buf)
3585 struct Scsi_Host *shost = class_to_shost(dev);
3586 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
3588 return scnprintf(buf, PAGE_SIZE, "%d\n", phba->iocb_max);
3591 static DEVICE_ATTR(iocb_hw, S_IRUGO,
3592 lpfc_iocb_hw_show, NULL);
3594 lpfc_txq_hw_show(struct device *dev, struct device_attribute *attr, char *buf)
3596 struct Scsi_Host *shost = class_to_shost(dev);
3597 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
3598 struct lpfc_sli_ring *pring = lpfc_phba_elsring(phba);
3600 return scnprintf(buf, PAGE_SIZE, "%d\n",
3601 pring ? pring->txq_max : 0);
3604 static DEVICE_ATTR(txq_hw, S_IRUGO,
3605 lpfc_txq_hw_show, NULL);
3607 lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr,
3610 struct Scsi_Host *shost = class_to_shost(dev);
3611 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
3612 struct lpfc_sli_ring *pring = lpfc_phba_elsring(phba);
3614 return scnprintf(buf, PAGE_SIZE, "%d\n",
3615 pring ? pring->txcmplq_max : 0);
3618 static DEVICE_ATTR(txcmplq_hw, S_IRUGO,
3619 lpfc_txcmplq_hw_show, NULL);
3622 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
3623 # until the timer expires. Value range is [0,255]. Default value is 30.
3625 static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
3626 static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
3627 module_param(lpfc_nodev_tmo, int, 0);
3628 MODULE_PARM_DESC(lpfc_nodev_tmo,
3629 "Seconds driver will hold I/O waiting "
3630 "for a device to come back");
3633 * lpfc_nodev_tmo_show - Return the hba dev loss timeout value
3634 * @dev: class converted to a Scsi_host structure.
3635 * @attr: device attribute, not used.
3636 * @buf: on return contains the dev loss timeout in decimal.
3638 * Returns: size of formatted string.
3641 lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr,
3644 struct Scsi_Host *shost = class_to_shost(dev);
3645 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3647 return scnprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo);
3651 * lpfc_nodev_tmo_init - Set the hba nodev timeout value
3652 * @vport: lpfc vport structure pointer.
3653 * @val: contains the nodev timeout value.
3656 * If the devloss tmo is already set then nodev tmo is set to devloss tmo,
3657 * a kernel error message is printed and zero is returned.
3658 * Else if val is in range then nodev tmo and devloss tmo are set to val.
3659 * Otherwise nodev tmo is set to the default value.
3662 * zero if already set or if val is in range
3663 * -EINVAL val out of range
3666 lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val)
3668 if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) {
3669 vport->cfg_nodev_tmo = vport->cfg_devloss_tmo;
3670 if (val != LPFC_DEF_DEVLOSS_TMO)
3671 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3672 "0407 Ignoring lpfc_nodev_tmo module "
3673 "parameter because lpfc_devloss_tmo "
3678 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
3679 vport->cfg_nodev_tmo = val;
3680 vport->cfg_devloss_tmo = val;
3683 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3684 "0400 lpfc_nodev_tmo attribute cannot be set to"
3685 " %d, allowed range is [%d, %d]\n",
3686 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
3687 vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
3692 * lpfc_update_rport_devloss_tmo - Update dev loss tmo value
3693 * @vport: lpfc vport structure pointer.
3696 * Update all the ndlp's dev loss tmo with the vport devloss tmo value.
3699 lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
3701 struct Scsi_Host *shost;
3702 struct lpfc_nodelist *ndlp;
3703 #if (IS_ENABLED(CONFIG_NVME_FC))
3704 struct lpfc_nvme_rport *rport;
3705 struct nvme_fc_remote_port *remoteport = NULL;
3708 shost = lpfc_shost_from_vport(vport);
3709 spin_lock_irq(shost->host_lock);
3710 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
3712 ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo;
3713 #if (IS_ENABLED(CONFIG_NVME_FC))
3714 spin_lock(&ndlp->lock);
3715 rport = lpfc_ndlp_get_nrport(ndlp);
3717 remoteport = rport->remoteport;
3718 spin_unlock(&ndlp->lock);
3719 if (rport && remoteport)
3720 nvme_fc_set_remoteport_devloss(remoteport,
3721 vport->cfg_devloss_tmo);
3724 spin_unlock_irq(shost->host_lock);
3728 * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values
3729 * @vport: lpfc vport structure pointer.
3730 * @val: contains the tmo value.
3733 * If the devloss tmo is already set or the vport dev loss tmo has changed
3734 * then a kernel error message is printed and zero is returned.
3735 * Else if val is in range then nodev tmo and devloss tmo are set to val.
3736 * Otherwise nodev tmo is set to the default value.
3739 * zero if already set or if val is in range
3740 * -EINVAL val out of range
3743 lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val)
3745 if (vport->dev_loss_tmo_changed ||
3746 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
3747 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3748 "0401 Ignoring change to lpfc_nodev_tmo "
3749 "because lpfc_devloss_tmo is set.\n");
3752 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
3753 vport->cfg_nodev_tmo = val;
3754 vport->cfg_devloss_tmo = val;
3756 * For compat: set the fc_host dev loss so new rports
3757 * will get the value.
3759 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val;
3760 lpfc_update_rport_devloss_tmo(vport);
3763 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3764 "0403 lpfc_nodev_tmo attribute cannot be set to "
3765 "%d, allowed range is [%d, %d]\n",
3766 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
3770 lpfc_vport_param_store(nodev_tmo)
3772 static DEVICE_ATTR_RW(lpfc_nodev_tmo);
3775 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
3776 # disappear until the timer expires. Value range is [0,255]. Default
3779 module_param(lpfc_devloss_tmo, int, S_IRUGO);
3780 MODULE_PARM_DESC(lpfc_devloss_tmo,
3781 "Seconds driver will hold I/O waiting "
3782 "for a device to come back");
3783 lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
3784 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
3785 lpfc_vport_param_show(devloss_tmo)
3788 * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit
3789 * @vport: lpfc vport structure pointer.
3790 * @val: contains the tmo value.
3793 * If val is in a valid range then set the vport nodev tmo,
3794 * devloss tmo, also set the vport dev loss tmo changed flag.
3795 * Else a kernel error message is printed.
3798 * zero if val is in range
3799 * -EINVAL val out of range
3802 lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val)
3804 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
3805 vport->cfg_nodev_tmo = val;
3806 vport->cfg_devloss_tmo = val;
3807 vport->dev_loss_tmo_changed = 1;
3808 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val;
3809 lpfc_update_rport_devloss_tmo(vport);
3813 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3814 "0404 lpfc_devloss_tmo attribute cannot be set to "
3815 "%d, allowed range is [%d, %d]\n",
3816 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
3820 lpfc_vport_param_store(devloss_tmo)
3821 static DEVICE_ATTR_RW(lpfc_devloss_tmo);
3824 * lpfc_suppress_rsp: Enable suppress rsp feature is firmware supports it
3825 * lpfc_suppress_rsp = 0 Disable
3826 * lpfc_suppress_rsp = 1 Enable (default)
3829 LPFC_ATTR_R(suppress_rsp, 1, 0, 1,
3830 "Enable suppress rsp feature is firmware supports it");
3833 * lpfc_nvmet_mrq: Specify number of RQ pairs for processing NVMET cmds
3834 * lpfc_nvmet_mrq = 0 driver will calcualte optimal number of RQ pairs
3835 * lpfc_nvmet_mrq = 1 use a single RQ pair
3836 * lpfc_nvmet_mrq >= 2 use specified RQ pairs for MRQ
3839 LPFC_ATTR_R(nvmet_mrq,
3840 LPFC_NVMET_MRQ_AUTO, LPFC_NVMET_MRQ_AUTO, LPFC_NVMET_MRQ_MAX,
3841 "Specify number of RQ pairs for processing NVMET cmds");
3844 * lpfc_nvmet_mrq_post: Specify number of RQ buffer to initially post
3845 * to each NVMET RQ. Range 64 to 2048, default is 512.
3847 LPFC_ATTR_R(nvmet_mrq_post,
3848 LPFC_NVMET_RQE_DEF_POST, LPFC_NVMET_RQE_MIN_POST,
3849 LPFC_NVMET_RQE_DEF_COUNT,
3850 "Specify number of RQ buffers to initially post");
3853 * lpfc_enable_fc4_type: Defines what FC4 types are supported.
3854 * Supported Values: 1 - register just FCP
3855 * 3 - register both FCP and NVME
3856 * Supported values are [1,3]. Default value is 3
3858 LPFC_ATTR_R(enable_fc4_type, LPFC_DEF_ENBL_FC4_TYPE,
3859 LPFC_ENABLE_FCP, LPFC_MAX_ENBL_FC4_TYPE,
3860 "Enable FC4 Protocol support - FCP / NVME");
3863 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
3864 # deluged with LOTS of information.
3865 # You can set a bit mask to record specific types of verbose messages:
3866 # See lpfc_logmsh.h for definitions.
3868 LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff,
3869 "Verbose logging bit-mask");
3872 # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters
3873 # objects that have been registered with the nameserver after login.
3875 LPFC_VPORT_ATTR_R(enable_da_id, 1, 0, 1,
3876 "Deregister nameserver objects before LOGO");
3879 # lun_queue_depth: This parameter is used to limit the number of outstanding
3880 # commands per FCP LUN.
3882 LPFC_VPORT_ATTR_R(lun_queue_depth, 64, 1, 512,
3883 "Max number of FCP commands we can queue to a specific LUN");
3886 # tgt_queue_depth: This parameter is used to limit the number of outstanding
3887 # commands per target port. Value range is [10,65535]. Default value is 65535.
3889 static uint lpfc_tgt_queue_depth = LPFC_MAX_TGT_QDEPTH;
3890 module_param(lpfc_tgt_queue_depth, uint, 0444);
3891 MODULE_PARM_DESC(lpfc_tgt_queue_depth, "Set max Target queue depth");
3892 lpfc_vport_param_show(tgt_queue_depth);
3893 lpfc_vport_param_init(tgt_queue_depth, LPFC_MAX_TGT_QDEPTH,
3894 LPFC_MIN_TGT_QDEPTH, LPFC_MAX_TGT_QDEPTH);
3897 * lpfc_tgt_queue_depth_set: Sets an attribute value.
3898 * @vport: lpfc vport structure pointer.
3899 * @val: integer attribute value.
3901 * Description: Sets the parameter to the new value.
3905 * -EINVAL if val is invalid
3908 lpfc_tgt_queue_depth_set(struct lpfc_vport *vport, uint val)
3910 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3911 struct lpfc_nodelist *ndlp;
3913 if (!lpfc_rangecheck(val, LPFC_MIN_TGT_QDEPTH, LPFC_MAX_TGT_QDEPTH))
3916 if (val == vport->cfg_tgt_queue_depth)
3919 spin_lock_irq(shost->host_lock);
3920 vport->cfg_tgt_queue_depth = val;
3922 /* Next loop thru nodelist and change cmd_qdepth */
3923 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp)
3924 ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth;
3926 spin_unlock_irq(shost->host_lock);
3930 lpfc_vport_param_store(tgt_queue_depth);
3931 static DEVICE_ATTR_RW(lpfc_tgt_queue_depth);
3934 # hba_queue_depth: This parameter is used to limit the number of outstanding
3935 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
3936 # value is greater than the maximum number of exchanges supported by the HBA,
3937 # then maximum number of exchanges supported by the HBA is used to determine
3938 # the hba_queue_depth.
3940 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
3941 "Max number of FCP commands we can queue to a lpfc HBA");
3944 # peer_port_login: This parameter allows/prevents logins
3945 # between peer ports hosted on the same physical port.
3946 # When this parameter is set 0 peer ports of same physical port
3947 # are not allowed to login to each other.
3948 # When this parameter is set 1 peer ports of same physical port
3949 # are allowed to login to each other.
3950 # Default value of this parameter is 0.
3952 LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1,
3953 "Allow peer ports on the same physical port to login to each "
3957 # restrict_login: This parameter allows/prevents logins
3958 # between Virtual Ports and remote initiators.
3959 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
3960 # other initiators and will attempt to PLOGI all remote ports.
3961 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
3962 # remote ports and will not attempt to PLOGI to other initiators.
3963 # This parameter does not restrict to the physical port.
3964 # This parameter does not restrict logins to Fabric resident remote ports.
3965 # Default value of this parameter is 1.
3967 static int lpfc_restrict_login = 1;
3968 module_param(lpfc_restrict_login, int, S_IRUGO);
3969 MODULE_PARM_DESC(lpfc_restrict_login,
3970 "Restrict virtual ports login to remote initiators.");
3971 lpfc_vport_param_show(restrict_login);
3974 * lpfc_restrict_login_init - Set the vport restrict login flag
3975 * @vport: lpfc vport structure pointer.
3976 * @val: contains the restrict login value.
3979 * If val is not in a valid range then log a kernel error message and set
3980 * the vport restrict login to one.
3981 * If the port type is physical clear the restrict login flag and return.
3982 * Else set the restrict login flag to val.
3985 * zero if val is in range
3986 * -EINVAL val out of range
3989 lpfc_restrict_login_init(struct lpfc_vport *vport, int val)
3991 if (val < 0 || val > 1) {
3992 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3993 "0422 lpfc_restrict_login attribute cannot "
3994 "be set to %d, allowed range is [0, 1]\n",
3996 vport->cfg_restrict_login = 1;
3999 if (vport->port_type == LPFC_PHYSICAL_PORT) {
4000 vport->cfg_restrict_login = 0;
4003 vport->cfg_restrict_login = val;
4008 * lpfc_restrict_login_set - Set the vport restrict login flag
4009 * @vport: lpfc vport structure pointer.
4010 * @val: contains the restrict login value.
4013 * If val is not in a valid range then log a kernel error message and set
4014 * the vport restrict login to one.
4015 * If the port type is physical and the val is not zero log a kernel
4016 * error message, clear the restrict login flag and return zero.
4017 * Else set the restrict login flag to val.
4020 * zero if val is in range
4021 * -EINVAL val out of range
4024 lpfc_restrict_login_set(struct lpfc_vport *vport, int val)
4026 if (val < 0 || val > 1) {
4027 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4028 "0425 lpfc_restrict_login attribute cannot "
4029 "be set to %d, allowed range is [0, 1]\n",
4031 vport->cfg_restrict_login = 1;
4034 if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) {
4035 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4036 "0468 lpfc_restrict_login must be 0 for "
4037 "Physical ports.\n");
4038 vport->cfg_restrict_login = 0;
4041 vport->cfg_restrict_login = val;
4044 lpfc_vport_param_store(restrict_login);
4045 static DEVICE_ATTR_RW(lpfc_restrict_login);
4048 # Some disk devices have a "select ID" or "select Target" capability.
4049 # From a protocol standpoint "select ID" usually means select the
4050 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
4051 # annex" which contains a table that maps a "select ID" (a number
4052 # between 0 and 7F) to an ALPA. By default, for compatibility with
4053 # older drivers, the lpfc driver scans this table from low ALPA to high
4056 # Turning on the scan-down variable (on = 1, off = 0) will
4057 # cause the lpfc driver to use an inverted table, effectively
4058 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
4060 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
4061 # and will not work across a fabric. Also this parameter will take
4062 # effect only in the case when ALPA map is not available.)
4064 LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1,
4065 "Start scanning for devices from highest ALPA to lowest");
4068 # lpfc_topology: link topology for init link
4069 # 0x0 = attempt loop mode then point-to-point
4070 # 0x01 = internal loopback mode
4071 # 0x02 = attempt point-to-point mode only
4072 # 0x04 = attempt loop mode only
4073 # 0x06 = attempt point-to-point mode then loop
4074 # Set point-to-point mode if you want to run as an N_Port.
4075 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
4076 # Default value is 0.
4078 LPFC_ATTR(topology, 0, 0, 6,
4079 "Select Fibre Channel topology");
4082 * lpfc_topology_store - Set the adapters topology field
4083 * @dev: class device that is converted into a scsi_host.
4084 * @attr:device attribute, not used.
4085 * @buf: buffer for passing information.
4086 * @count: size of the data buffer.
4089 * If val is in a valid range then set the adapter's topology field and
4090 * issue a lip; if the lip fails reset the topology to the old value.
4092 * If the value is not in range log a kernel error message and return an error.
4095 * zero if val is in range and lip okay
4096 * non-zero return value from lpfc_issue_lip()
4097 * -EINVAL val out of range
4100 lpfc_topology_store(struct device *dev, struct device_attribute *attr,
4101 const char *buf, size_t count)
4103 struct Scsi_Host *shost = class_to_shost(dev);
4104 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4105 struct lpfc_hba *phba = vport->phba;
4108 const char *val_buf = buf;
4111 u8 sli_family, if_type;
4113 if (!strncmp(buf, "nolip ", strlen("nolip "))) {
4115 val_buf = &buf[strlen("nolip ")];
4118 if (!isdigit(val_buf[0]))
4120 if (sscanf(val_buf, "%i", &val) != 1)
4123 if (val >= 0 && val <= 6) {
4124 prev_val = phba->cfg_topology;
4125 if (phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G &&
4127 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4128 "3113 Loop mode not supported at speed %d\n",
4133 * The 'topology' is not a configurable parameter if :
4134 * - persistent topology enabled
4135 * - ASIC_GEN_NUM >= 0xC, with no private loop support
4137 sli_family = bf_get(lpfc_sli_intf_sli_family,
4138 &phba->sli4_hba.sli_intf);
4139 if_type = bf_get(lpfc_sli_intf_if_type,
4140 &phba->sli4_hba.sli_intf);
4141 if ((phba->hba_flag & HBA_PERSISTENT_TOPO ||
4142 (!phba->sli4_hba.pc_sli4_params.pls &&
4143 (sli_family == LPFC_SLI_INTF_FAMILY_G6 ||
4144 if_type == LPFC_SLI_INTF_IF_TYPE_6))) &&
4146 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4147 "3114 Loop mode not supported\n");
4150 phba->cfg_topology = val;
4154 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4155 "3054 lpfc_topology changed from %d to %d\n",
4157 if (prev_val != val && phba->sli_rev == LPFC_SLI_REV4)
4158 phba->fc_topology_changed = 1;
4159 err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport));
4161 phba->cfg_topology = prev_val;
4166 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4167 "%d:0467 lpfc_topology attribute cannot be set to %d, "
4168 "allowed range is [0, 6]\n",
4173 lpfc_param_show(topology)
4174 static DEVICE_ATTR_RW(lpfc_topology);
4177 * lpfc_static_vport_show: Read callback function for
4178 * lpfc_static_vport sysfs file.
4179 * @dev: Pointer to class device object.
4180 * @attr: device attribute structure.
4181 * @buf: Data buffer.
4183 * This function is the read call back function for
4184 * lpfc_static_vport sysfs file. The lpfc_static_vport
4185 * sysfs file report the mageability of the vport.
4188 lpfc_static_vport_show(struct device *dev, struct device_attribute *attr,
4191 struct Scsi_Host *shost = class_to_shost(dev);
4192 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4193 if (vport->vport_flag & STATIC_VPORT)
4194 sprintf(buf, "1\n");
4196 sprintf(buf, "0\n");
4202 * Sysfs attribute to control the statistical data collection.
4204 static DEVICE_ATTR_RO(lpfc_static_vport);
4207 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
4209 # Value range is [0,16]. Default value is 0.
4212 * lpfc_link_speed_store - Set the adapters link speed
4213 * @dev: Pointer to class device.
4215 * @buf: Data buffer.
4216 * @count: Size of the data buffer.
4219 * If val is in a valid range then set the adapter's link speed field and
4220 * issue a lip; if the lip fails reset the link speed to the old value.
4223 * If the value is not in range log a kernel error message and return an error.
4226 * zero if val is in range and lip okay.
4227 * non-zero return value from lpfc_issue_lip()
4228 * -EINVAL val out of range
4231 lpfc_link_speed_store(struct device *dev, struct device_attribute *attr,
4232 const char *buf, size_t count)
4234 struct Scsi_Host *shost = class_to_shost(dev);
4235 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4236 struct lpfc_hba *phba = vport->phba;
4237 int val = LPFC_USER_LINK_SPEED_AUTO;
4239 const char *val_buf = buf;
4241 uint32_t prev_val, if_type;
4243 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
4244 if (if_type >= LPFC_SLI_INTF_IF_TYPE_2 &&
4245 phba->hba_flag & HBA_FORCED_LINK_SPEED)
4248 if (!strncmp(buf, "nolip ", strlen("nolip "))) {
4250 val_buf = &buf[strlen("nolip ")];
4253 if (!isdigit(val_buf[0]))
4255 if (sscanf(val_buf, "%i", &val) != 1)
4258 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4259 "3055 lpfc_link_speed changed from %d to %d %s\n",
4260 phba->cfg_link_speed, val, nolip ? "(nolip)" : "(lip)");
4262 if (((val == LPFC_USER_LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) ||
4263 ((val == LPFC_USER_LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) ||
4264 ((val == LPFC_USER_LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) ||
4265 ((val == LPFC_USER_LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) ||
4266 ((val == LPFC_USER_LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb)) ||
4267 ((val == LPFC_USER_LINK_SPEED_16G) && !(phba->lmt & LMT_16Gb)) ||
4268 ((val == LPFC_USER_LINK_SPEED_32G) && !(phba->lmt & LMT_32Gb)) ||
4269 ((val == LPFC_USER_LINK_SPEED_64G) && !(phba->lmt & LMT_64Gb))) {
4270 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4271 "2879 lpfc_link_speed attribute cannot be set "
4272 "to %d. Speed is not supported by this port.\n",
4276 if (val >= LPFC_USER_LINK_SPEED_16G &&
4277 phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
4278 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4279 "3112 lpfc_link_speed attribute cannot be set "
4280 "to %d. Speed is not supported in loop mode.\n",
4286 case LPFC_USER_LINK_SPEED_AUTO:
4287 case LPFC_USER_LINK_SPEED_1G:
4288 case LPFC_USER_LINK_SPEED_2G:
4289 case LPFC_USER_LINK_SPEED_4G:
4290 case LPFC_USER_LINK_SPEED_8G:
4291 case LPFC_USER_LINK_SPEED_16G:
4292 case LPFC_USER_LINK_SPEED_32G:
4293 case LPFC_USER_LINK_SPEED_64G:
4294 prev_val = phba->cfg_link_speed;
4295 phba->cfg_link_speed = val;
4299 err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport));
4301 phba->cfg_link_speed = prev_val;
4309 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4310 "0469 lpfc_link_speed attribute cannot be set to %d, "
4311 "allowed values are [%s]\n",
4312 val, LPFC_LINK_SPEED_STRING);
4317 static int lpfc_link_speed = 0;
4318 module_param(lpfc_link_speed, int, S_IRUGO);
4319 MODULE_PARM_DESC(lpfc_link_speed, "Select link speed");
4320 lpfc_param_show(link_speed)
4323 * lpfc_link_speed_init - Set the adapters link speed
4324 * @phba: lpfc_hba pointer.
4325 * @val: link speed value.
4328 * If val is in a valid range then set the adapter's link speed field.
4331 * If the value is not in range log a kernel error message, clear the link
4332 * speed and return an error.
4335 * zero if val saved.
4336 * -EINVAL val out of range
4339 lpfc_link_speed_init(struct lpfc_hba *phba, int val)
4341 if (val >= LPFC_USER_LINK_SPEED_16G && phba->cfg_topology == 4) {
4342 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4343 "3111 lpfc_link_speed of %d cannot "
4344 "support loop mode, setting topology to default.\n",
4346 phba->cfg_topology = 0;
4350 case LPFC_USER_LINK_SPEED_AUTO:
4351 case LPFC_USER_LINK_SPEED_1G:
4352 case LPFC_USER_LINK_SPEED_2G:
4353 case LPFC_USER_LINK_SPEED_4G:
4354 case LPFC_USER_LINK_SPEED_8G:
4355 case LPFC_USER_LINK_SPEED_16G:
4356 case LPFC_USER_LINK_SPEED_32G:
4357 case LPFC_USER_LINK_SPEED_64G:
4358 phba->cfg_link_speed = val;
4361 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4362 "0405 lpfc_link_speed attribute cannot "
4363 "be set to %d, allowed values are "
4364 "["LPFC_LINK_SPEED_STRING"]\n", val);
4365 phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO;
4370 static DEVICE_ATTR_RW(lpfc_link_speed);
4373 # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER)
4374 # 1 = aer supported and enabled (default)
4375 # PCIe error reporting is always enabled by the PCI core, so this always
4378 # N.B. Parts of LPFC_ATTR open-coded since some of the underlying
4379 # infrastructure (phba->cfg_aer_support) is gone.
4381 static uint lpfc_aer_support = 1;
4382 module_param(lpfc_aer_support, uint, S_IRUGO);
4383 MODULE_PARM_DESC(lpfc_aer_support, "Enable PCIe device AER support");
4385 lpfc_aer_support_show(struct device *dev, struct device_attribute *attr,
4388 return scnprintf(buf, PAGE_SIZE, "%d\n", lpfc_aer_support);
4392 * lpfc_aer_support_store - Set the adapter for aer support
4394 * @dev: class device that is converted into a Scsi_host.
4395 * @attr: device attribute, not used.
4396 * @buf: containing enable or disable aer flag.
4397 * @count: unused variable.
4400 * PCIe error reporting is enabled by the PCI core, so drivers don't need
4401 * to do anything. Retain this interface for backwards compatibility,
4405 * length of the buf on success
4406 * -EINVAL if val out of range
4409 lpfc_aer_support_store(struct device *dev, struct device_attribute *attr,
4410 const char *buf, size_t count)
4414 if (!isdigit(buf[0]))
4416 if (sscanf(buf, "%i", &val) != 1)
4419 dev_info_once(dev, "PCIe error reporting automatically enabled by the PCI core; sysfs write ignored\n");
4423 static DEVICE_ATTR_RW(lpfc_aer_support);
4426 * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device
4427 * @dev: class device that is converted into a Scsi_host.
4428 * @attr: device attribute, not used.
4429 * @buf: containing flag 1 for aer cleanup state.
4430 * @count: unused variable.
4433 * If the @buf contains 1, invokes the kernel AER helper routine
4434 * pci_aer_clear_nonfatal_status() to clean up the uncorrectable
4435 * error status register.
4440 * -EINVAL if the buf does not contain 1
4441 * -EPERM if the OS cannot clear AER error status, i.e., when platform
4442 * firmware owns the AER Capability
4445 lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr,
4446 const char *buf, size_t count)
4448 struct Scsi_Host *shost = class_to_shost(dev);
4449 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4450 struct lpfc_hba *phba = vport->phba;
4453 if (!isdigit(buf[0]))
4455 if (sscanf(buf, "%i", &val) != 1)
4460 rc = pci_aer_clear_nonfatal_status(phba->pcidev);
4468 static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL,
4469 lpfc_aer_cleanup_state);
4472 * lpfc_sriov_nr_virtfn_store - Enable the adapter for sr-iov virtual functions
4474 * @dev: class device that is converted into a Scsi_host.
4475 * @attr: device attribute, not used.
4476 * @buf: containing the string the number of vfs to be enabled.
4477 * @count: unused variable.
4480 * When this api is called either through user sysfs, the driver shall
4481 * try to enable or disable SR-IOV virtual functions according to the
4484 * If zero virtual function has been enabled to the physical function,
4485 * the driver shall invoke the pci enable virtual function api trying
4486 * to enable the virtual functions. If the nr_vfn provided is greater
4487 * than the maximum supported, the maximum virtual function number will
4488 * be used for invoking the api; otherwise, the nr_vfn provided shall
4489 * be used for invoking the api. If the api call returned success, the
4490 * actual number of virtual functions enabled will be set to the driver
4491 * cfg_sriov_nr_virtfn; otherwise, -EINVAL shall be returned and driver
4492 * cfg_sriov_nr_virtfn remains zero.
4494 * If none-zero virtual functions have already been enabled to the
4495 * physical function, as reflected by the driver's cfg_sriov_nr_virtfn,
4496 * -EINVAL will be returned and the driver does nothing;
4498 * If the nr_vfn provided is zero and none-zero virtual functions have
4499 * been enabled, as indicated by the driver's cfg_sriov_nr_virtfn, the
4500 * disabling virtual function api shall be invoded to disable all the
4501 * virtual functions and driver's cfg_sriov_nr_virtfn shall be set to
4502 * zero. Otherwise, if zero virtual function has been enabled, do
4506 * length of the buf on success if val is in range the intended mode
4508 * -EINVAL if val out of range or intended mode is not supported.
4511 lpfc_sriov_nr_virtfn_store(struct device *dev, struct device_attribute *attr,
4512 const char *buf, size_t count)
4514 struct Scsi_Host *shost = class_to_shost(dev);
4515 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
4516 struct lpfc_hba *phba = vport->phba;
4517 struct pci_dev *pdev = phba->pcidev;
4518 int val = 0, rc = -EINVAL;
4520 /* Sanity check on user data */
4521 if (!isdigit(buf[0]))
4523 if (sscanf(buf, "%i", &val) != 1)
4528 /* Request disabling virtual functions */
4530 if (phba->cfg_sriov_nr_virtfn > 0) {
4531 pci_disable_sriov(pdev);
4532 phba->cfg_sriov_nr_virtfn = 0;
4537 /* Request enabling virtual functions */
4538 if (phba->cfg_sriov_nr_virtfn > 0) {
4539 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4540 "3018 There are %d virtual functions "
4541 "enabled on physical function.\n",
4542 phba->cfg_sriov_nr_virtfn);
4546 if (val <= LPFC_MAX_VFN_PER_PFN)
4547 phba->cfg_sriov_nr_virtfn = val;
4549 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4550 "3019 Enabling %d virtual functions is not "
4555 rc = lpfc_sli_probe_sriov_nr_virtfn(phba, phba->cfg_sriov_nr_virtfn);
4557 phba->cfg_sriov_nr_virtfn = 0;
4565 LPFC_ATTR(sriov_nr_virtfn, LPFC_DEF_VFN_PER_PFN, 0, LPFC_MAX_VFN_PER_PFN,
4566 "Enable PCIe device SR-IOV virtual fn");
4568 lpfc_param_show(sriov_nr_virtfn)
4569 static DEVICE_ATTR_RW(lpfc_sriov_nr_virtfn);
4572 * lpfc_request_firmware_upgrade_store - Request for Linux generic firmware upgrade
4574 * @dev: class device that is converted into a Scsi_host.
4575 * @attr: device attribute, not used.
4576 * @buf: containing the string the number of vfs to be enabled.
4577 * @count: unused variable.
4582 * length of the buf on success if val is in range the intended mode
4584 * -EINVAL if val out of range or intended mode is not supported.
4587 lpfc_request_firmware_upgrade_store(struct device *dev,
4588 struct device_attribute *attr,
4589 const char *buf, size_t count)
4591 struct Scsi_Host *shost = class_to_shost(dev);
4592 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
4593 struct lpfc_hba *phba = vport->phba;
4596 /* Sanity check on user data */
4597 if (!isdigit(buf[0]))
4599 if (sscanf(buf, "%i", &val) != 1)
4604 rc = lpfc_sli4_request_firmware_update(phba, RUN_FW_UPGRADE);
4612 static int lpfc_req_fw_upgrade;
4613 module_param(lpfc_req_fw_upgrade, int, S_IRUGO|S_IWUSR);
4614 MODULE_PARM_DESC(lpfc_req_fw_upgrade, "Enable Linux generic firmware upgrade");
4615 lpfc_param_show(request_firmware_upgrade)
4618 * lpfc_request_firmware_upgrade_init - Enable initial linux generic fw upgrade
4619 * @phba: lpfc_hba pointer.
4623 * Set the initial Linux generic firmware upgrade enable or disable flag.
4626 * zero if val saved.
4627 * -EINVAL val out of range
4630 lpfc_request_firmware_upgrade_init(struct lpfc_hba *phba, int val)
4632 if (val >= 0 && val <= 1) {
4633 phba->cfg_request_firmware_upgrade = val;
4638 static DEVICE_ATTR(lpfc_req_fw_upgrade, S_IRUGO | S_IWUSR,
4639 lpfc_request_firmware_upgrade_show,
4640 lpfc_request_firmware_upgrade_store);
4643 * lpfc_force_rscn_store
4645 * @dev: class device that is converted into a Scsi_host.
4646 * @attr: device attribute, not used.
4647 * @buf: unused string
4648 * @count: unused variable.
4651 * Force the switch to send a RSCN to all other NPorts in our zone
4652 * If we are direct connect pt2pt, build the RSCN command ourself
4653 * and send to the other NPort. Not supported for private loop.
4657 * -EIO - if command is not sent
4660 lpfc_force_rscn_store(struct device *dev, struct device_attribute *attr,
4661 const char *buf, size_t count)
4663 struct Scsi_Host *shost = class_to_shost(dev);
4664 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
4667 i = lpfc_issue_els_rscn(vport, 0);
4674 * lpfc_force_rscn: Force an RSCN to be sent to all remote NPorts
4675 * connected to the HBA.
4677 * Value range is any ascii value
4679 static int lpfc_force_rscn;
4680 module_param(lpfc_force_rscn, int, 0644);
4681 MODULE_PARM_DESC(lpfc_force_rscn,
4682 "Force an RSCN to be sent to all remote NPorts");
4683 lpfc_param_show(force_rscn)
4686 * lpfc_force_rscn_init - Force an RSCN to be sent to all remote NPorts
4687 * @phba: lpfc_hba pointer.
4688 * @val: unused value.
4691 * zero if val saved.
4694 lpfc_force_rscn_init(struct lpfc_hba *phba, int val)
4698 static DEVICE_ATTR_RW(lpfc_force_rscn);
4701 * lpfc_fcp_imax_store
4703 * @dev: class device that is converted into a Scsi_host.
4704 * @attr: device attribute, not used.
4705 * @buf: string with the number of fast-path FCP interrupts per second.
4706 * @count: unused variable.
4709 * If val is in a valid range [636,651042], then set the adapter's
4710 * maximum number of fast-path FCP interrupts per second.
4713 * length of the buf on success if val is in range the intended mode
4715 * -EINVAL if val out of range or intended mode is not supported.
4718 lpfc_fcp_imax_store(struct device *dev, struct device_attribute *attr,
4719 const char *buf, size_t count)
4721 struct Scsi_Host *shost = class_to_shost(dev);
4722 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
4723 struct lpfc_hba *phba = vport->phba;
4724 struct lpfc_eq_intr_info *eqi;
4728 /* fcp_imax is only valid for SLI4 */
4729 if (phba->sli_rev != LPFC_SLI_REV4)
4732 /* Sanity check on user data */
4733 if (!isdigit(buf[0]))
4735 if (sscanf(buf, "%i", &val) != 1)
4739 * Value range for the HBA is [5000,5000000]
4740 * The value for each EQ depends on how many EQs are configured.
4743 if (val && (val < LPFC_MIN_IMAX || val > LPFC_MAX_IMAX))
4746 phba->cfg_auto_imax = (val) ? 0 : 1;
4747 if (phba->cfg_fcp_imax && !val) {
4748 queue_delayed_work(phba->wq, &phba->eq_delay_work,
4749 msecs_to_jiffies(LPFC_EQ_DELAY_MSECS));
4751 for_each_present_cpu(i) {
4752 eqi = per_cpu_ptr(phba->sli4_hba.eq_info, i);
4757 phba->cfg_fcp_imax = (uint32_t)val;
4759 if (phba->cfg_fcp_imax)
4760 usdelay = LPFC_SEC_TO_USEC / phba->cfg_fcp_imax;
4764 for (i = 0; i < phba->cfg_irq_chann; i += LPFC_MAX_EQ_DELAY_EQID_CNT)
4765 lpfc_modify_hba_eq_delay(phba, i, LPFC_MAX_EQ_DELAY_EQID_CNT,
4772 # lpfc_fcp_imax: The maximum number of fast-path FCP interrupts per second
4775 # Value range is [5,000 to 5,000,000]. Default value is 50,000.
4777 static int lpfc_fcp_imax = LPFC_DEF_IMAX;
4778 module_param(lpfc_fcp_imax, int, S_IRUGO|S_IWUSR);
4779 MODULE_PARM_DESC(lpfc_fcp_imax,
4780 "Set the maximum number of FCP interrupts per second per HBA");
4781 lpfc_param_show(fcp_imax)
4784 * lpfc_fcp_imax_init - Set the initial sr-iov virtual function enable
4785 * @phba: lpfc_hba pointer.
4786 * @val: link speed value.
4789 * If val is in a valid range [636,651042], then initialize the adapter's
4790 * maximum number of fast-path FCP interrupts per second.
4793 * zero if val saved.
4794 * -EINVAL val out of range
4797 lpfc_fcp_imax_init(struct lpfc_hba *phba, int val)
4799 if (phba->sli_rev != LPFC_SLI_REV4) {
4800 phba->cfg_fcp_imax = 0;
4804 if ((val >= LPFC_MIN_IMAX && val <= LPFC_MAX_IMAX) ||
4806 phba->cfg_fcp_imax = val;
4810 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4811 "3016 lpfc_fcp_imax: %d out of range, using default\n",
4813 phba->cfg_fcp_imax = LPFC_DEF_IMAX;
4818 static DEVICE_ATTR_RW(lpfc_fcp_imax);
4821 * lpfc_cq_max_proc_limit_store
4823 * @dev: class device that is converted into a Scsi_host.
4824 * @attr: device attribute, not used.
4825 * @buf: string with the cq max processing limit of cqes
4826 * @count: unused variable.
4829 * If val is in a valid range, then set value on each cq
4832 * The length of the buf: if successful
4833 * -ERANGE: if val is not in the valid range
4834 * -EINVAL: if bad value format or intended mode is not supported.
4837 lpfc_cq_max_proc_limit_store(struct device *dev, struct device_attribute *attr,
4838 const char *buf, size_t count)
4840 struct Scsi_Host *shost = class_to_shost(dev);
4841 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
4842 struct lpfc_hba *phba = vport->phba;
4843 struct lpfc_queue *eq, *cq;
4847 /* cq_max_proc_limit is only valid for SLI4 */
4848 if (phba->sli_rev != LPFC_SLI_REV4)
4851 /* Sanity check on user data */
4852 if (!isdigit(buf[0]))
4854 if (kstrtoul(buf, 0, &val))
4857 if (val < LPFC_CQ_MIN_PROC_LIMIT || val > LPFC_CQ_MAX_PROC_LIMIT)
4860 phba->cfg_cq_max_proc_limit = (uint32_t)val;
4862 /* set the values on the cq's */
4863 for (i = 0; i < phba->cfg_irq_chann; i++) {
4864 /* Get the EQ corresponding to the IRQ vector */
4865 eq = phba->sli4_hba.hba_eq_hdl[i].eq;
4869 list_for_each_entry(cq, &eq->child_list, list)
4870 cq->max_proc_limit = min(phba->cfg_cq_max_proc_limit,
4878 * lpfc_cq_max_proc_limit: The maximum number CQE entries processed in an
4879 * itteration of CQ processing.
4881 static int lpfc_cq_max_proc_limit = LPFC_CQ_DEF_MAX_PROC_LIMIT;
4882 module_param(lpfc_cq_max_proc_limit, int, 0644);
4883 MODULE_PARM_DESC(lpfc_cq_max_proc_limit,
4884 "Set the maximum number CQEs processed in an iteration of "
4886 lpfc_param_show(cq_max_proc_limit)
4889 * lpfc_cq_poll_threshold: Set the threshold of CQE completions in a
4890 * single handler call which should request a polled completion rather
4891 * than re-enabling interrupts.
4893 LPFC_ATTR_RW(cq_poll_threshold, LPFC_CQ_DEF_THRESHOLD_TO_POLL,
4894 LPFC_CQ_MIN_THRESHOLD_TO_POLL,
4895 LPFC_CQ_MAX_THRESHOLD_TO_POLL,
4896 "CQE Processing Threshold to enable Polling");
4899 * lpfc_cq_max_proc_limit_init - Set the initial cq max_proc_limit
4900 * @phba: lpfc_hba pointer.
4904 * If val is in a valid range, then initialize the adapter's maximum
4908 * Always returns 0 for success, even if value not always set to
4909 * requested value. If value out of range or not supported, will fall
4913 lpfc_cq_max_proc_limit_init(struct lpfc_hba *phba, int val)
4915 phba->cfg_cq_max_proc_limit = LPFC_CQ_DEF_MAX_PROC_LIMIT;
4917 if (phba->sli_rev != LPFC_SLI_REV4)
4920 if (val >= LPFC_CQ_MIN_PROC_LIMIT && val <= LPFC_CQ_MAX_PROC_LIMIT) {
4921 phba->cfg_cq_max_proc_limit = val;
4925 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4926 "0371 lpfc_cq_max_proc_limit: %d out of range, using "
4928 phba->cfg_cq_max_proc_limit);
4933 static DEVICE_ATTR_RW(lpfc_cq_max_proc_limit);
4936 * lpfc_fcp_cpu_map_show - Display current driver CPU affinity
4937 * @dev: class converted to a Scsi_host structure.
4938 * @attr: device attribute, not used.
4939 * @buf: on return contains text describing the state of the link.
4941 * Returns: size of formatted string.
4944 lpfc_fcp_cpu_map_show(struct device *dev, struct device_attribute *attr,
4947 struct Scsi_Host *shost = class_to_shost(dev);
4948 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
4949 struct lpfc_hba *phba = vport->phba;
4950 struct lpfc_vector_map_info *cpup;
4953 if ((phba->sli_rev != LPFC_SLI_REV4) ||
4954 (phba->intr_type != MSIX))
4957 switch (phba->cfg_fcp_cpu_map) {
4959 len += scnprintf(buf + len, PAGE_SIZE-len,
4960 "fcp_cpu_map: No mapping (%d)\n",
4961 phba->cfg_fcp_cpu_map);
4964 len += scnprintf(buf + len, PAGE_SIZE-len,
4965 "fcp_cpu_map: HBA centric mapping (%d): "
4966 "%d of %d CPUs online from %d possible CPUs\n",
4967 phba->cfg_fcp_cpu_map, num_online_cpus(),
4969 phba->sli4_hba.num_possible_cpu);
4973 while (phba->sli4_hba.curr_disp_cpu <
4974 phba->sli4_hba.num_possible_cpu) {
4975 cpup = &phba->sli4_hba.cpu_map[phba->sli4_hba.curr_disp_cpu];
4977 if (!cpu_present(phba->sli4_hba.curr_disp_cpu))
4978 len += scnprintf(buf + len, PAGE_SIZE - len,
4979 "CPU %02d not present\n",
4980 phba->sli4_hba.curr_disp_cpu);
4981 else if (cpup->eq == LPFC_VECTOR_MAP_EMPTY) {
4982 if (cpup->hdwq == LPFC_VECTOR_MAP_EMPTY)
4984 buf + len, PAGE_SIZE - len,
4985 "CPU %02d hdwq None "
4986 "physid %d coreid %d ht %d ua %d\n",
4987 phba->sli4_hba.curr_disp_cpu,
4988 cpup->phys_id, cpup->core_id,
4989 (cpup->flag & LPFC_CPU_MAP_HYPER),
4990 (cpup->flag & LPFC_CPU_MAP_UNASSIGN));
4993 buf + len, PAGE_SIZE - len,
4994 "CPU %02d EQ None hdwq %04d "
4995 "physid %d coreid %d ht %d ua %d\n",
4996 phba->sli4_hba.curr_disp_cpu,
4997 cpup->hdwq, cpup->phys_id,
4999 (cpup->flag & LPFC_CPU_MAP_HYPER),
5000 (cpup->flag & LPFC_CPU_MAP_UNASSIGN));
5002 if (cpup->hdwq == LPFC_VECTOR_MAP_EMPTY)
5004 buf + len, PAGE_SIZE - len,
5005 "CPU %02d hdwq None "
5006 "physid %d coreid %d ht %d ua %d IRQ %d\n",
5007 phba->sli4_hba.curr_disp_cpu,
5010 (cpup->flag & LPFC_CPU_MAP_HYPER),
5011 (cpup->flag & LPFC_CPU_MAP_UNASSIGN),
5012 lpfc_get_irq(cpup->eq));
5015 buf + len, PAGE_SIZE - len,
5016 "CPU %02d EQ %04d hdwq %04d "
5017 "physid %d coreid %d ht %d ua %d IRQ %d\n",
5018 phba->sli4_hba.curr_disp_cpu,
5019 cpup->eq, cpup->hdwq, cpup->phys_id,
5021 (cpup->flag & LPFC_CPU_MAP_HYPER),
5022 (cpup->flag & LPFC_CPU_MAP_UNASSIGN),
5023 lpfc_get_irq(cpup->eq));
5026 phba->sli4_hba.curr_disp_cpu++;
5028 /* display max number of CPUs keeping some margin */
5029 if (phba->sli4_hba.curr_disp_cpu <
5030 phba->sli4_hba.num_possible_cpu &&
5031 (len >= (PAGE_SIZE - 64))) {
5032 len += scnprintf(buf + len,
5033 PAGE_SIZE - len, "more...\n");
5038 if (phba->sli4_hba.curr_disp_cpu == phba->sli4_hba.num_possible_cpu)
5039 phba->sli4_hba.curr_disp_cpu = 0;
5045 * lpfc_fcp_cpu_map_store - Change CPU affinity of driver vectors
5046 * @dev: class device that is converted into a Scsi_host.
5047 * @attr: device attribute, not used.
5048 * @buf: one or more lpfc_polling_flags values.
5052 * -EINVAL - Not implemented yet.
5055 lpfc_fcp_cpu_map_store(struct device *dev, struct device_attribute *attr,
5056 const char *buf, size_t count)
5062 # lpfc_fcp_cpu_map: Defines how to map CPUs to IRQ vectors
5065 # Value range is [0 to 1]. Default value is LPFC_HBA_CPU_MAP (1).
5066 # 0 - Do not affinitze IRQ vectors
5067 # 1 - Affintize HBA vectors with respect to each HBA
5068 # (start with CPU0 for each HBA)
5069 # This also defines how Hardware Queues are mapped to specific CPUs.
5071 static int lpfc_fcp_cpu_map = LPFC_HBA_CPU_MAP;
5072 module_param(lpfc_fcp_cpu_map, int, S_IRUGO|S_IWUSR);
5073 MODULE_PARM_DESC(lpfc_fcp_cpu_map,
5074 "Defines how to map CPUs to IRQ vectors per HBA");
5077 * lpfc_fcp_cpu_map_init - Set the initial sr-iov virtual function enable
5078 * @phba: lpfc_hba pointer.
5079 * @val: link speed value.
5082 * If val is in a valid range [0-2], then affinitze the adapter's
5086 * zero if val saved.
5087 * -EINVAL val out of range
5090 lpfc_fcp_cpu_map_init(struct lpfc_hba *phba, int val)
5092 if (phba->sli_rev != LPFC_SLI_REV4) {
5093 phba->cfg_fcp_cpu_map = 0;
5097 if (val >= LPFC_MIN_CPU_MAP && val <= LPFC_MAX_CPU_MAP) {
5098 phba->cfg_fcp_cpu_map = val;
5102 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5103 "3326 lpfc_fcp_cpu_map: %d out of range, using "
5105 phba->cfg_fcp_cpu_map = LPFC_HBA_CPU_MAP;
5110 static DEVICE_ATTR_RW(lpfc_fcp_cpu_map);
5113 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
5114 # Value range is [2,3]. Default value is 3.
5116 LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3,
5117 "Select Fibre Channel class of service for FCP sequences");
5120 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
5121 # is [0,1]. Default value is 1.
5123 LPFC_VPORT_ATTR_RW(use_adisc, 1, 0, 1,
5124 "Use ADISC on rediscovery to authenticate FCP devices");
5127 # lpfc_first_burst_size: First burst size to use on the NPorts
5128 # that support first burst.
5129 # Value range is [0,65536]. Default value is 0.
5131 LPFC_VPORT_ATTR_RW(first_burst_size, 0, 0, 65536,
5132 "First burst size for Targets that support first burst");
5135 * lpfc_nvmet_fb_size: NVME Target mode supported first burst size.
5136 * When the driver is configured as an NVME target, this value is
5137 * communicated to the NVME initiator in the PRLI response. It is
5138 * used only when the lpfc_nvme_enable_fb and lpfc_nvmet_support
5139 * parameters are set and the target is sending the PRLI RSP.
5140 * Parameter supported on physical port only - no NPIV support.
5141 * Value range is [0,65536]. Default value is 0.
5143 LPFC_ATTR_RW(nvmet_fb_size, 0, 0, 65536,
5144 "NVME Target mode first burst size in 512B increments.");
5147 * lpfc_nvme_enable_fb: Enable NVME first burst on I and T functions.
5148 * For the Initiator (I), enabling this parameter means that an NVMET
5149 * PRLI response with FBA enabled and an FB_SIZE set to a nonzero value will be
5150 * processed by the initiator for subsequent NVME FCP IO.
5151 * Currently, this feature is not supported on the NVME target
5152 * Value range is [0,1]. Default value is 0 (disabled).
5154 LPFC_ATTR_RW(nvme_enable_fb, 0, 0, 1,
5155 "Enable First Burst feature for NVME Initiator.");
5158 # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue
5159 # depth. Default value is 0. When the value of this parameter is zero the
5160 # SCSI command completion time is not used for controlling I/O queue depth. When
5161 # the parameter is set to a non-zero value, the I/O queue depth is controlled
5162 # to limit the I/O completion time to the parameter value.
5163 # The value is set in milliseconds.
5165 LPFC_VPORT_ATTR(max_scsicmpl_time, 0, 0, 60000,
5166 "Use command completion time to control queue depth");
5168 lpfc_vport_param_show(max_scsicmpl_time);
5170 lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val)
5172 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
5173 struct lpfc_nodelist *ndlp, *next_ndlp;
5175 if (val == vport->cfg_max_scsicmpl_time)
5177 if ((val < 0) || (val > 60000))
5179 vport->cfg_max_scsicmpl_time = val;
5181 spin_lock_irq(shost->host_lock);
5182 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
5183 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
5185 ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth;
5187 spin_unlock_irq(shost->host_lock);
5190 lpfc_vport_param_store(max_scsicmpl_time);
5191 static DEVICE_ATTR_RW(lpfc_max_scsicmpl_time);
5194 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
5195 # range is [0,1]. Default value is 0.
5197 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
5200 # lpfc_xri_rebalancing: enable or disable XRI rebalancing feature
5201 # range is [0,1]. Default value is 1.
5203 LPFC_ATTR_R(xri_rebalancing, 1, 0, 1, "Enable/Disable XRI rebalancing");
5206 * lpfc_io_sched: Determine scheduling algrithmn for issuing FCP cmds
5207 * range is [0,1]. Default value is 0.
5208 * For [0], FCP commands are issued to Work Queues based on upper layer
5209 * hardware queue index.
5210 * For [1], FCP commands are issued to a Work Queue associated with the
5213 * LPFC_FCP_SCHED_BY_HDWQ == 0
5214 * LPFC_FCP_SCHED_BY_CPU == 1
5216 * The driver dynamically sets this to 1 (BY_CPU) if it's able to set up cpu
5217 * affinity for FCP/NVME I/Os through Work Queues associated with the current
5218 * CPU. Otherwise, the default 0 (Round Robin) scheduling of FCP/NVME I/Os
5219 * through WQs will be used.
5221 LPFC_ATTR_RW(fcp_io_sched, LPFC_FCP_SCHED_BY_CPU,
5222 LPFC_FCP_SCHED_BY_HDWQ,
5223 LPFC_FCP_SCHED_BY_CPU,
5224 "Determine scheduling algorithm for "
5225 "issuing commands [0] - Hardware Queue, [1] - Current CPU");
5228 * lpfc_ns_query: Determine algrithmn for NameServer queries after RSCN
5229 * range is [0,1]. Default value is 0.
5230 * For [0], GID_FT is used for NameServer queries after RSCN (default)
5231 * For [1], GID_PT is used for NameServer queries after RSCN
5234 LPFC_ATTR_RW(ns_query, LPFC_NS_QUERY_GID_FT,
5235 LPFC_NS_QUERY_GID_FT, LPFC_NS_QUERY_GID_PT,
5236 "Determine algorithm NameServer queries after RSCN "
5237 "[0] - GID_FT, [1] - GID_PT");
5240 # lpfc_fcp2_no_tgt_reset: Determine bus reset behavior
5241 # range is [0,1]. Default value is 0.
5242 # For [0], bus reset issues target reset to ALL devices
5243 # For [1], bus reset issues target reset to non-FCP2 devices
5245 LPFC_ATTR_RW(fcp2_no_tgt_reset, 0, 0, 1, "Determine bus reset behavior for "
5246 "FCP2 devices [0] - issue tgt reset, [1] - no tgt reset");
5250 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
5251 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
5252 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
5253 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
5254 # cr_delay is set to 0.
5256 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
5257 "interrupt response is generated");
5259 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
5260 "interrupt response is generated");
5263 # lpfc_multi_ring_support: Determines how many rings to spread available
5264 # cmd/rsp IOCB entries across.
5265 # Value range is [1,2]. Default value is 1.
5267 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
5268 "SLI rings to spread IOCB entries across");
5271 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
5272 # identifies what rctl value to configure the additional ring for.
5273 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
5275 LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1,
5276 255, "Identifies RCTL for additional ring configuration");
5279 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
5280 # identifies what type value to configure the additional ring for.
5281 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
5283 LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1,
5284 255, "Identifies TYPE for additional ring configuration");
5287 # lpfc_enable_SmartSAN: Sets up FDMI support for SmartSAN
5288 # 0 = SmartSAN functionality disabled (default)
5289 # 1 = SmartSAN functionality enabled
5290 # This parameter will override the value of lpfc_fdmi_on module parameter.
5291 # Value range is [0,1]. Default value is 0.
5293 LPFC_ATTR_R(enable_SmartSAN, 0, 0, 1, "Enable SmartSAN functionality");
5296 # lpfc_fdmi_on: Controls FDMI support.
5298 # 1 Traditional FDMI support (default)
5299 # Traditional FDMI support means the driver will assume FDMI-2 support;
5300 # however, if that fails, it will fallback to FDMI-1.
5301 # If lpfc_enable_SmartSAN is set to 1, the driver ignores lpfc_fdmi_on.
5302 # If lpfc_enable_SmartSAN is set 0, the driver uses the current value of
5304 # Value range [0,1]. Default value is 1.
5306 LPFC_ATTR_R(fdmi_on, 1, 0, 1, "Enable FDMI support");
5309 # Specifies the maximum number of ELS cmds we can have outstanding (for
5310 # discovery). Value range is [1,64]. Default value = 32.
5312 LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
5313 "during discovery");
5316 # lpfc_max_luns: maximum allowed LUN ID. This is the highest LUN ID that
5317 # will be scanned by the SCSI midlayer when sequential scanning is
5318 # used; and is also the highest LUN ID allowed when the SCSI midlayer
5319 # parses REPORT_LUN responses. The lpfc driver has no LUN count or
5320 # LUN ID limit, but the SCSI midlayer requires this field for the uses
5321 # above. The lpfc driver limits the default value to 255 for two reasons.
5322 # As it bounds the sequential scan loop, scanning for thousands of luns
5323 # on a target can take minutes of wall clock time. Additionally,
5324 # there are FC targets, such as JBODs, that only recognize 8-bits of
5325 # LUN ID. When they receive a value greater than 8 bits, they chop off
5326 # the high order bits. In other words, they see LUN IDs 0, 256, 512,
5327 # and so on all as LUN ID 0. This causes the linux kernel, which sees
5328 # valid responses at each of the LUN IDs, to believe there are multiple
5329 # devices present, when in fact, there is only 1.
5330 # A customer that is aware of their target behaviors, and the results as
5331 # indicated above, is welcome to increase the lpfc_max_luns value.
5332 # As mentioned, this value is not used by the lpfc driver, only the
5334 # Value range is [0,65535]. Default value is 255.
5335 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
5337 LPFC_VPORT_ULL_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN ID");
5340 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
5341 # Value range is [1,255], default value is 10.
5343 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
5344 "Milliseconds driver will wait between polling FCP ring");
5347 # lpfc_task_mgmt_tmo: Maximum time to wait for task management commands
5348 # to complete in seconds. Value range is [5,180], default value is 60.
5350 LPFC_ATTR_RW(task_mgmt_tmo, 60, 5, 180,
5351 "Maximum time to wait for task management commands to complete");
5353 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
5354 # support this feature
5357 # 2 = MSI-X enabled (default)
5358 # Value range is [0,2]. Default value is 2.
5360 LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or "
5361 "MSI-X (2), if possible");
5364 * lpfc_nvme_oas: Use the oas bit when sending NVME/NVMET IOs
5366 * 0 = NVME OAS disabled
5367 * 1 = NVME OAS enabled
5369 * Value range is [0,1]. Default value is 0.
5371 LPFC_ATTR_RW(nvme_oas, 0, 0, 1,
5372 "Use OAS bit on NVME IOs");
5375 * lpfc_nvme_embed_cmd: Use the oas bit when sending NVME/NVMET IOs
5377 * 0 = Put NVME Command in SGL
5378 * 1 = Embed NVME Command in WQE (unless G7)
5379 * 2 = Embed NVME Command in WQE (force)
5381 * Value range is [0,2]. Default value is 1.
5383 LPFC_ATTR_RW(nvme_embed_cmd, 1, 0, 2,
5384 "Embed NVME Command in WQE");
5387 * lpfc_fcp_mq_threshold: Set the maximum number of Hardware Queues
5388 * the driver will advertise it supports to the SCSI layer.
5390 * 0 = Set nr_hw_queues by the number of CPUs or HW queues.
5391 * 1,256 = Manually specify nr_hw_queue value to be advertised,
5393 * Value range is [0,256]. Default value is 8.
5395 LPFC_ATTR_R(fcp_mq_threshold, LPFC_FCP_MQ_THRESHOLD_DEF,
5396 LPFC_FCP_MQ_THRESHOLD_MIN, LPFC_FCP_MQ_THRESHOLD_MAX,
5397 "Set the number of SCSI Queues advertised");
5400 * lpfc_hdw_queue: Set the number of Hardware Queues the driver
5401 * will advertise it supports to the NVME and SCSI layers. This also
5402 * will map to the number of CQ/WQ pairs the driver will create.
5404 * The NVME Layer will try to create this many, plus 1 administrative
5405 * hardware queue. The administrative queue will always map to WQ 0
5406 * A hardware IO queue maps (qidx) to a specific driver CQ/WQ.
5408 * 0 = Configure the number of hdw queues to the number of active CPUs.
5409 * 1,256 = Manually specify how many hdw queues to use.
5411 * Value range is [0,256]. Default value is 0.
5413 LPFC_ATTR_R(hdw_queue,
5415 LPFC_HBA_HDWQ_MIN, LPFC_HBA_HDWQ_MAX,
5416 "Set the number of I/O Hardware Queues");
5418 #if IS_ENABLED(CONFIG_X86)
5420 * lpfc_cpumask_irq_mode_init - initalizes cpumask of phba based on
5422 * @phba: Pointer to HBA context object.
5425 lpfc_cpumask_irq_mode_init(struct lpfc_hba *phba)
5427 unsigned int cpu, first_cpu, numa_node = NUMA_NO_NODE;
5428 const struct cpumask *sibling_mask;
5429 struct cpumask *aff_mask = &phba->sli4_hba.irq_aff_mask;
5431 cpumask_clear(aff_mask);
5433 if (phba->irq_chann_mode == NUMA_MODE) {
5434 /* Check if we're a NUMA architecture */
5435 numa_node = dev_to_node(&phba->pcidev->dev);
5436 if (numa_node == NUMA_NO_NODE) {
5437 phba->irq_chann_mode = NORMAL_MODE;
5442 for_each_possible_cpu(cpu) {
5443 switch (phba->irq_chann_mode) {
5445 if (cpu_to_node(cpu) == numa_node)
5446 cpumask_set_cpu(cpu, aff_mask);
5449 sibling_mask = topology_sibling_cpumask(cpu);
5450 first_cpu = cpumask_first(sibling_mask);
5451 if (first_cpu < nr_cpu_ids)
5452 cpumask_set_cpu(first_cpu, aff_mask);
5462 lpfc_assign_default_irq_chann(struct lpfc_hba *phba)
5464 #if IS_ENABLED(CONFIG_X86)
5465 switch (boot_cpu_data.x86_vendor) {
5466 case X86_VENDOR_AMD:
5467 /* If AMD architecture, then default is NUMA_MODE */
5468 phba->irq_chann_mode = NUMA_MODE;
5470 case X86_VENDOR_INTEL:
5471 /* If Intel architecture, then default is no hyperthread mode */
5472 phba->irq_chann_mode = NHT_MODE;
5475 phba->irq_chann_mode = NORMAL_MODE;
5478 lpfc_cpumask_irq_mode_init(phba);
5480 phba->irq_chann_mode = NORMAL_MODE;
5485 * lpfc_irq_chann: Set the number of IRQ vectors that are available
5486 * for Hardware Queues to utilize. This also will map to the number
5487 * of EQ / MSI-X vectors the driver will create. This should never be
5488 * more than the number of Hardware Queues
5490 * 0 = Configure number of IRQ Channels to:
5491 * if AMD architecture, number of CPUs on HBA's NUMA node
5492 * if Intel architecture, number of physical CPUs.
5493 * otherwise, number of active CPUs.
5494 * [1,256] = Manually specify how many IRQ Channels to use.
5496 * Value range is [0,256]. Default value is [0].
5498 static uint lpfc_irq_chann = LPFC_IRQ_CHANN_DEF;
5499 module_param(lpfc_irq_chann, uint, 0444);
5500 MODULE_PARM_DESC(lpfc_irq_chann, "Set number of interrupt vectors to allocate");
5502 /* lpfc_irq_chann_init - Set the hba irq_chann initial value
5503 * @phba: lpfc_hba pointer.
5504 * @val: contains the initial value
5507 * Validates the initial value is within range and assigns it to the
5508 * adapter. If not in range, an error message is posted and the
5509 * default value is assigned.
5512 * zero if value is in range and is set
5513 * -EINVAL if value was out of range
5516 lpfc_irq_chann_init(struct lpfc_hba *phba, uint32_t val)
5518 const struct cpumask *aff_mask;
5520 if (phba->cfg_use_msi != 2) {
5521 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5522 "8532 use_msi = %u ignoring cfg_irq_numa\n",
5524 phba->irq_chann_mode = NORMAL_MODE;
5525 phba->cfg_irq_chann = LPFC_IRQ_CHANN_DEF;
5529 /* Check if default setting was passed */
5530 if (val == LPFC_IRQ_CHANN_DEF &&
5531 phba->cfg_hdw_queue == LPFC_HBA_HDWQ_DEF &&
5532 phba->sli_rev == LPFC_SLI_REV4)
5533 lpfc_assign_default_irq_chann(phba);
5535 if (phba->irq_chann_mode != NORMAL_MODE) {
5536 aff_mask = &phba->sli4_hba.irq_aff_mask;
5538 if (cpumask_empty(aff_mask)) {
5539 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5540 "8533 Could not identify CPUS for "
5541 "mode %d, ignoring\n",
5542 phba->irq_chann_mode);
5543 phba->irq_chann_mode = NORMAL_MODE;
5544 phba->cfg_irq_chann = LPFC_IRQ_CHANN_DEF;
5546 phba->cfg_irq_chann = cpumask_weight(aff_mask);
5548 /* If no hyperthread mode, then set hdwq count to
5549 * aff_mask weight as well
5551 if (phba->irq_chann_mode == NHT_MODE)
5552 phba->cfg_hdw_queue = phba->cfg_irq_chann;
5554 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5555 "8543 lpfc_irq_chann set to %u "
5556 "(mode: %d)\n", phba->cfg_irq_chann,
5557 phba->irq_chann_mode);
5560 if (val > LPFC_IRQ_CHANN_MAX) {
5561 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5562 "8545 lpfc_irq_chann attribute cannot "
5563 "be set to %u, allowed range is "
5567 LPFC_IRQ_CHANN_MAX);
5568 phba->cfg_irq_chann = LPFC_IRQ_CHANN_DEF;
5571 if (phba->sli_rev == LPFC_SLI_REV4) {
5572 phba->cfg_irq_chann = val;
5574 phba->cfg_irq_chann = 2;
5575 phba->cfg_hdw_queue = 1;
5583 * lpfc_irq_chann_show - Display value of irq_chann
5584 * @dev: class converted to a Scsi_host structure.
5585 * @attr: device attribute, not used.
5586 * @buf: on return contains a string with the list sizes
5588 * Returns: size of formatted string.
5591 lpfc_irq_chann_show(struct device *dev, struct device_attribute *attr,
5594 struct Scsi_Host *shost = class_to_shost(dev);
5595 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
5596 struct lpfc_hba *phba = vport->phba;
5598 return scnprintf(buf, PAGE_SIZE, "%u\n", phba->cfg_irq_chann);
5601 static DEVICE_ATTR_RO(lpfc_irq_chann);
5604 # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
5605 # 0 = HBA resets disabled
5606 # 1 = HBA resets enabled (default)
5607 # 2 = HBA reset via PCI bus reset enabled
5608 # Value range is [0,2]. Default value is 1.
5610 LPFC_ATTR_RW(enable_hba_reset, 1, 0, 2, "Enable HBA resets from the driver.");
5613 # lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer..
5614 # 0 = HBA Heartbeat disabled
5615 # 1 = HBA Heartbeat enabled (default)
5616 # Value range is [0,1]. Default value is 1.
5618 LPFC_ATTR_R(enable_hba_heartbeat, 0, 0, 1, "Enable HBA Heartbeat.");
5621 # lpfc_EnableXLane: Enable Express Lane Feature
5622 # 0x0 Express Lane Feature disabled
5623 # 0x1 Express Lane Feature enabled
5624 # Value range is [0,1]. Default value is 0.
5626 LPFC_ATTR_R(EnableXLane, 0, 0, 1, "Enable Express Lane Feature.");
5629 # lpfc_XLanePriority: Define CS_CTL priority for Express Lane Feature
5630 # 0x0 - 0x7f = CS_CTL field in FC header (high 7 bits)
5631 # Value range is [0x0,0x7f]. Default value is 0
5633 LPFC_ATTR_RW(XLanePriority, 0, 0x0, 0x7f, "CS_CTL for Express Lane Feature.");
5636 # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF)
5637 # 0 = BlockGuard disabled (default)
5638 # 1 = BlockGuard enabled
5639 # Value range is [0,1]. Default value is 0.
5641 LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support");
5645 # - Bit mask of host protection capabilities used to register with the
5647 # - Only meaningful if BG is turned on (lpfc_enable_bg=1).
5648 # - Allows you to ultimately specify which profiles to use
5649 # - Default will result in registering capabilities for all profiles.
5650 # - SHOST_DIF_TYPE1_PROTECTION 1
5651 # HBA supports T10 DIF Type 1: HBA to Target Type 1 Protection
5652 # - SHOST_DIX_TYPE0_PROTECTION 8
5653 # HBA supports DIX Type 0: Host to HBA protection only
5654 # - SHOST_DIX_TYPE1_PROTECTION 16
5655 # HBA supports DIX Type 1: Host to HBA Type 1 protection
5658 LPFC_ATTR(prot_mask,
5659 (SHOST_DIF_TYPE1_PROTECTION |
5660 SHOST_DIX_TYPE0_PROTECTION |
5661 SHOST_DIX_TYPE1_PROTECTION),
5663 (SHOST_DIF_TYPE1_PROTECTION |
5664 SHOST_DIX_TYPE0_PROTECTION |
5665 SHOST_DIX_TYPE1_PROTECTION),
5666 "T10-DIF host protection capabilities mask");
5670 # - Bit mask of protection guard types to register with the SCSI mid-layer
5671 # - Guard types are currently either 1) T10-DIF CRC 2) IP checksum
5672 # - Allows you to ultimately specify which profiles to use
5673 # - Default will result in registering capabilities for all guard types
5676 LPFC_ATTR(prot_guard,
5677 SHOST_DIX_GUARD_IP, SHOST_DIX_GUARD_CRC, SHOST_DIX_GUARD_IP,
5678 "T10-DIF host protection guard type");
5681 * Delay initial NPort discovery when Clean Address bit is cleared in
5682 * FLOGI/FDISC accept and FCID/Fabric name/Fabric portname is changed.
5683 * This parameter can have value 0 or 1.
5684 * When this parameter is set to 0, no delay is added to the initial
5686 * When this parameter is set to non-zero value, initial Nport discovery is
5687 * delayed by ra_tov seconds when Clean Address bit is cleared in FLOGI/FDISC
5688 * accept and FCID/Fabric name/Fabric portname is changed.
5689 * Driver always delay Nport discovery for subsequent FLOGI/FDISC completion
5690 * when Clean Address bit is cleared in FLOGI/FDISC
5691 * accept and FCID/Fabric name/Fabric portname is changed.
5692 * Default value is 0.
5694 LPFC_ATTR(delay_discovery, 0, 0, 1,
5695 "Delay NPort discovery when Clean Address bit is cleared.");
5698 * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count
5699 * This value can be set to values between 64 and 4096. The default value
5700 * is 64, but may be increased to allow for larger Max I/O sizes. The scsi
5701 * and nvme layers will allow I/O sizes up to (MAX_SEG_COUNT * SEG_SIZE).
5702 * Because of the additional overhead involved in setting up T10-DIF,
5703 * this parameter will be limited to 128 if BlockGuard is enabled under SLI4
5704 * and will be limited to 512 if BlockGuard is enabled under SLI3.
5706 static uint lpfc_sg_seg_cnt = LPFC_DEFAULT_SG_SEG_CNT;
5707 module_param(lpfc_sg_seg_cnt, uint, 0444);
5708 MODULE_PARM_DESC(lpfc_sg_seg_cnt, "Max Scatter Gather Segment Count");
5711 * lpfc_sg_seg_cnt_show - Display the scatter/gather list sizes
5712 * configured for the adapter
5713 * @dev: class converted to a Scsi_host structure.
5714 * @attr: device attribute, not used.
5715 * @buf: on return contains a string with the list sizes
5717 * Returns: size of formatted string.
5720 lpfc_sg_seg_cnt_show(struct device *dev, struct device_attribute *attr,
5723 struct Scsi_Host *shost = class_to_shost(dev);
5724 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
5725 struct lpfc_hba *phba = vport->phba;
5728 len = scnprintf(buf, PAGE_SIZE, "SGL sz: %d total SGEs: %d\n",
5729 phba->cfg_sg_dma_buf_size, phba->cfg_total_seg_cnt);
5731 len += scnprintf(buf + len, PAGE_SIZE - len,
5732 "Cfg: %d SCSI: %d NVME: %d\n",
5733 phba->cfg_sg_seg_cnt, phba->cfg_scsi_seg_cnt,
5734 phba->cfg_nvme_seg_cnt);
5738 static DEVICE_ATTR_RO(lpfc_sg_seg_cnt);
5741 * lpfc_sg_seg_cnt_init - Set the hba sg_seg_cnt initial value
5742 * @phba: lpfc_hba pointer.
5743 * @val: contains the initial value
5746 * Validates the initial value is within range and assigns it to the
5747 * adapter. If not in range, an error message is posted and the
5748 * default value is assigned.
5751 * zero if value is in range and is set
5752 * -EINVAL if value was out of range
5755 lpfc_sg_seg_cnt_init(struct lpfc_hba *phba, int val)
5757 if (val >= LPFC_MIN_SG_SEG_CNT && val <= LPFC_MAX_SG_SEG_CNT) {
5758 phba->cfg_sg_seg_cnt = val;
5761 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5762 "0409 lpfc_sg_seg_cnt attribute cannot be set to %d, "
5763 "allowed range is [%d, %d]\n",
5764 val, LPFC_MIN_SG_SEG_CNT, LPFC_MAX_SG_SEG_CNT);
5765 phba->cfg_sg_seg_cnt = LPFC_DEFAULT_SG_SEG_CNT;
5770 * lpfc_enable_mds_diags: Enable MDS Diagnostics
5771 * 0 = MDS Diagnostics disabled (default)
5772 * 1 = MDS Diagnostics enabled
5773 * Value range is [0,1]. Default value is 0.
5775 LPFC_ATTR_RW(enable_mds_diags, 0, 0, 1, "Enable MDS Diagnostics");
5778 * lpfc_ras_fwlog_buffsize: Firmware logging host buffer size
5779 * 0 = Disable firmware logging (default)
5780 * [1-4] = Multiple of 1/4th Mb of host memory for FW logging
5781 * Value range [0..4]. Default value is 0
5783 LPFC_ATTR(ras_fwlog_buffsize, 0, 0, 4, "Host memory for FW logging");
5784 lpfc_param_show(ras_fwlog_buffsize);
5787 lpfc_ras_fwlog_buffsize_set(struct lpfc_hba *phba, uint val)
5790 enum ras_state state;
5792 if (!lpfc_rangecheck(val, 0, 4))
5795 if (phba->cfg_ras_fwlog_buffsize == val)
5798 if (phba->cfg_ras_fwlog_func != PCI_FUNC(phba->pcidev->devfn))
5801 spin_lock_irq(&phba->hbalock);
5802 state = phba->ras_fwlog.state;
5803 spin_unlock_irq(&phba->hbalock);
5805 if (state == REG_INPROGRESS) {
5806 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "6147 RAS Logging "
5807 "registration is in progress\n");
5811 /* For disable logging: stop the logs and free the DMA.
5812 * For ras_fwlog_buffsize size change we still need to free and
5813 * reallocate the DMA in lpfc_sli4_ras_fwlog_init.
5815 phba->cfg_ras_fwlog_buffsize = val;
5816 if (state == ACTIVE) {
5817 lpfc_ras_stop_fwlog(phba);
5818 lpfc_sli4_ras_dma_free(phba);
5821 lpfc_sli4_ras_init(phba);
5822 if (phba->ras_fwlog.ras_enabled)
5823 ret = lpfc_sli4_ras_fwlog_init(phba, phba->cfg_ras_fwlog_level,
5824 LPFC_RAS_ENABLE_LOGGING);
5828 lpfc_param_store(ras_fwlog_buffsize);
5829 static DEVICE_ATTR_RW(lpfc_ras_fwlog_buffsize);
5832 * lpfc_ras_fwlog_level: Firmware logging verbosity level
5833 * Valid only if firmware logging is enabled
5834 * 0(Least Verbosity) 4 (most verbosity)
5835 * Value range is [0..4]. Default value is 0
5837 LPFC_ATTR_RW(ras_fwlog_level, 0, 0, 4, "Firmware Logging Level");
5840 * lpfc_ras_fwlog_func: Firmware logging enabled on function number
5841 * Default function which has RAS support : 0
5842 * Value Range is [0..7].
5843 * FW logging is a global action and enablement is via a specific
5846 LPFC_ATTR_RW(ras_fwlog_func, 0, 0, 7, "Firmware Logging Enabled on Function");
5849 * lpfc_enable_bbcr: Enable BB Credit Recovery
5850 * 0 = BB Credit Recovery disabled
5851 * 1 = BB Credit Recovery enabled (default)
5852 * Value range is [0,1]. Default value is 1.
5854 LPFC_BBCR_ATTR_RW(enable_bbcr, 1, 0, 1, "Enable BBC Recovery");
5856 /* Signaling module parameters */
5857 int lpfc_fabric_cgn_frequency = 100; /* 100 ms default */
5858 module_param(lpfc_fabric_cgn_frequency, int, 0444);
5859 MODULE_PARM_DESC(lpfc_fabric_cgn_frequency, "Congestion signaling fabric freq");
5861 int lpfc_acqe_cgn_frequency = 10; /* 10 sec default */
5862 module_param(lpfc_acqe_cgn_frequency, int, 0444);
5863 MODULE_PARM_DESC(lpfc_acqe_cgn_frequency, "Congestion signaling ACQE freq");
5865 int lpfc_use_cgn_signal = 1; /* 0 - only use FPINs, 1 - Use signals if avail */
5866 module_param(lpfc_use_cgn_signal, int, 0444);
5867 MODULE_PARM_DESC(lpfc_use_cgn_signal, "Use Congestion signaling if available");
5870 * lpfc_enable_dpp: Enable DPP on G7
5871 * 0 = DPP on G7 disabled
5872 * 1 = DPP on G7 enabled (default)
5873 * Value range is [0,1]. Default value is 1.
5875 LPFC_ATTR_RW(enable_dpp, 1, 0, 1, "Enable Direct Packet Push");
5878 * lpfc_enable_mi: Enable FDMI MIB
5880 * 1 = enabled (default)
5881 * Value range is [0,1].
5883 LPFC_ATTR_R(enable_mi, 1, 0, 1, "Enable MI");
5886 * lpfc_max_vmid: Maximum number of VMs to be tagged. This is valid only if
5887 * either vmid_app_header or vmid_priority_tagging is enabled.
5888 * 4 - 255 = vmid support enabled for 4-255 VMs
5889 * Value range is [4,255].
5891 LPFC_ATTR_RW(max_vmid, LPFC_MIN_VMID, LPFC_MIN_VMID, LPFC_MAX_VMID,
5892 "Maximum number of VMs supported");
5895 * lpfc_vmid_inactivity_timeout: Inactivity timeout duration in hours
5896 * 0 = Timeout is disabled
5897 * Value range is [0,24].
5899 LPFC_ATTR_RW(vmid_inactivity_timeout, 4, 0, 24,
5900 "Inactivity timeout in hours");
5903 * lpfc_vmid_app_header: Enable App Header VMID support
5904 * 0 = Support is disabled (default)
5905 * 1 = Support is enabled
5906 * Value range is [0,1].
5908 LPFC_ATTR_RW(vmid_app_header, LPFC_VMID_APP_HEADER_DISABLE,
5909 LPFC_VMID_APP_HEADER_DISABLE, LPFC_VMID_APP_HEADER_ENABLE,
5910 "Enable App Header VMID support");
5913 * lpfc_vmid_priority_tagging: Enable Priority Tagging VMID support
5914 * 0 = Support is disabled (default)
5915 * 1 = Allow supported targets only
5916 * 2 = Allow all targets
5917 * Value range is [0,2].
5919 LPFC_ATTR_RW(vmid_priority_tagging, LPFC_VMID_PRIO_TAG_DISABLE,
5920 LPFC_VMID_PRIO_TAG_DISABLE,
5921 LPFC_VMID_PRIO_TAG_ALL_TARGETS,
5922 "Enable Priority Tagging VMID support");
5924 static struct attribute *lpfc_hba_attrs[] = {
5925 &dev_attr_nvme_info.attr,
5926 &dev_attr_scsi_stat.attr,
5927 &dev_attr_bg_info.attr,
5928 &dev_attr_bg_guard_err.attr,
5929 &dev_attr_bg_apptag_err.attr,
5930 &dev_attr_bg_reftag_err.attr,
5931 &dev_attr_info.attr,
5932 &dev_attr_serialnum.attr,
5933 &dev_attr_modeldesc.attr,
5934 &dev_attr_modelname.attr,
5935 &dev_attr_programtype.attr,
5936 &dev_attr_portnum.attr,
5937 &dev_attr_fwrev.attr,
5939 &dev_attr_option_rom_version.attr,
5940 &dev_attr_link_state.attr,
5941 &dev_attr_num_discovered_ports.attr,
5942 &dev_attr_lpfc_drvr_version.attr,
5943 &dev_attr_lpfc_enable_fip.attr,
5944 &dev_attr_lpfc_temp_sensor.attr,
5945 &dev_attr_lpfc_log_verbose.attr,
5946 &dev_attr_lpfc_lun_queue_depth.attr,
5947 &dev_attr_lpfc_tgt_queue_depth.attr,
5948 &dev_attr_lpfc_hba_queue_depth.attr,
5949 &dev_attr_lpfc_peer_port_login.attr,
5950 &dev_attr_lpfc_nodev_tmo.attr,
5951 &dev_attr_lpfc_devloss_tmo.attr,
5952 &dev_attr_lpfc_enable_fc4_type.attr,
5953 &dev_attr_lpfc_fcp_class.attr,
5954 &dev_attr_lpfc_use_adisc.attr,
5955 &dev_attr_lpfc_first_burst_size.attr,
5956 &dev_attr_lpfc_ack0.attr,
5957 &dev_attr_lpfc_xri_rebalancing.attr,
5958 &dev_attr_lpfc_topology.attr,
5959 &dev_attr_lpfc_scan_down.attr,
5960 &dev_attr_lpfc_link_speed.attr,
5961 &dev_attr_lpfc_fcp_io_sched.attr,
5962 &dev_attr_lpfc_ns_query.attr,
5963 &dev_attr_lpfc_fcp2_no_tgt_reset.attr,
5964 &dev_attr_lpfc_cr_delay.attr,
5965 &dev_attr_lpfc_cr_count.attr,
5966 &dev_attr_lpfc_multi_ring_support.attr,
5967 &dev_attr_lpfc_multi_ring_rctl.attr,
5968 &dev_attr_lpfc_multi_ring_type.attr,
5969 &dev_attr_lpfc_fdmi_on.attr,
5970 &dev_attr_lpfc_enable_SmartSAN.attr,
5971 &dev_attr_lpfc_max_luns.attr,
5972 &dev_attr_lpfc_enable_npiv.attr,
5973 &dev_attr_lpfc_fcf_failover_policy.attr,
5974 &dev_attr_lpfc_enable_rrq.attr,
5975 &dev_attr_lpfc_fcp_wait_abts_rsp.attr,
5976 &dev_attr_nport_evt_cnt.attr,
5977 &dev_attr_board_mode.attr,
5978 &dev_attr_lpfc_xcvr_data.attr,
5979 &dev_attr_max_vpi.attr,
5980 &dev_attr_used_vpi.attr,
5981 &dev_attr_max_rpi.attr,
5982 &dev_attr_used_rpi.attr,
5983 &dev_attr_max_xri.attr,
5984 &dev_attr_used_xri.attr,
5985 &dev_attr_npiv_info.attr,
5986 &dev_attr_issue_reset.attr,
5987 &dev_attr_lpfc_poll.attr,
5988 &dev_attr_lpfc_poll_tmo.attr,
5989 &dev_attr_lpfc_task_mgmt_tmo.attr,
5990 &dev_attr_lpfc_use_msi.attr,
5991 &dev_attr_lpfc_nvme_oas.attr,
5992 &dev_attr_lpfc_nvme_embed_cmd.attr,
5993 &dev_attr_lpfc_fcp_imax.attr,
5994 &dev_attr_lpfc_force_rscn.attr,
5995 &dev_attr_lpfc_cq_poll_threshold.attr,
5996 &dev_attr_lpfc_cq_max_proc_limit.attr,
5997 &dev_attr_lpfc_fcp_cpu_map.attr,
5998 &dev_attr_lpfc_fcp_mq_threshold.attr,
5999 &dev_attr_lpfc_hdw_queue.attr,
6000 &dev_attr_lpfc_irq_chann.attr,
6001 &dev_attr_lpfc_suppress_rsp.attr,
6002 &dev_attr_lpfc_nvmet_mrq.attr,
6003 &dev_attr_lpfc_nvmet_mrq_post.attr,
6004 &dev_attr_lpfc_nvme_enable_fb.attr,
6005 &dev_attr_lpfc_nvmet_fb_size.attr,
6006 &dev_attr_lpfc_enable_bg.attr,
6007 &dev_attr_lpfc_enable_hba_reset.attr,
6008 &dev_attr_lpfc_enable_hba_heartbeat.attr,
6009 &dev_attr_lpfc_EnableXLane.attr,
6010 &dev_attr_lpfc_XLanePriority.attr,
6011 &dev_attr_lpfc_xlane_lun.attr,
6012 &dev_attr_lpfc_xlane_tgt.attr,
6013 &dev_attr_lpfc_xlane_vpt.attr,
6014 &dev_attr_lpfc_xlane_lun_state.attr,
6015 &dev_attr_lpfc_xlane_lun_status.attr,
6016 &dev_attr_lpfc_xlane_priority.attr,
6017 &dev_attr_lpfc_sg_seg_cnt.attr,
6018 &dev_attr_lpfc_max_scsicmpl_time.attr,
6019 &dev_attr_lpfc_aer_support.attr,
6020 &dev_attr_lpfc_aer_state_cleanup.attr,
6021 &dev_attr_lpfc_sriov_nr_virtfn.attr,
6022 &dev_attr_lpfc_req_fw_upgrade.attr,
6023 &dev_attr_lpfc_suppress_link_up.attr,
6024 &dev_attr_iocb_hw.attr,
6027 &dev_attr_txq_hw.attr,
6028 &dev_attr_txcmplq_hw.attr,
6029 &dev_attr_lpfc_sriov_hw_max_virtfn.attr,
6030 &dev_attr_protocol.attr,
6031 &dev_attr_lpfc_xlane_supported.attr,
6032 &dev_attr_lpfc_enable_mds_diags.attr,
6033 &dev_attr_lpfc_ras_fwlog_buffsize.attr,
6034 &dev_attr_lpfc_ras_fwlog_level.attr,
6035 &dev_attr_lpfc_ras_fwlog_func.attr,
6036 &dev_attr_lpfc_enable_bbcr.attr,
6037 &dev_attr_lpfc_enable_dpp.attr,
6038 &dev_attr_lpfc_enable_mi.attr,
6039 &dev_attr_cmf_info.attr,
6040 &dev_attr_lpfc_max_vmid.attr,
6041 &dev_attr_lpfc_vmid_inactivity_timeout.attr,
6042 &dev_attr_lpfc_vmid_app_header.attr,
6043 &dev_attr_lpfc_vmid_priority_tagging.attr,
6047 static const struct attribute_group lpfc_hba_attr_group = {
6048 .attrs = lpfc_hba_attrs
6051 const struct attribute_group *lpfc_hba_groups[] = {
6052 &lpfc_hba_attr_group,
6056 static struct attribute *lpfc_vport_attrs[] = {
6057 &dev_attr_info.attr,
6058 &dev_attr_link_state.attr,
6059 &dev_attr_num_discovered_ports.attr,
6060 &dev_attr_lpfc_drvr_version.attr,
6061 &dev_attr_lpfc_log_verbose.attr,
6062 &dev_attr_lpfc_lun_queue_depth.attr,
6063 &dev_attr_lpfc_tgt_queue_depth.attr,
6064 &dev_attr_lpfc_nodev_tmo.attr,
6065 &dev_attr_lpfc_devloss_tmo.attr,
6066 &dev_attr_lpfc_hba_queue_depth.attr,
6067 &dev_attr_lpfc_peer_port_login.attr,
6068 &dev_attr_lpfc_restrict_login.attr,
6069 &dev_attr_lpfc_fcp_class.attr,
6070 &dev_attr_lpfc_use_adisc.attr,
6071 &dev_attr_lpfc_first_burst_size.attr,
6072 &dev_attr_lpfc_max_luns.attr,
6073 &dev_attr_nport_evt_cnt.attr,
6074 &dev_attr_npiv_info.attr,
6075 &dev_attr_lpfc_enable_da_id.attr,
6076 &dev_attr_lpfc_max_scsicmpl_time.attr,
6077 &dev_attr_lpfc_static_vport.attr,
6078 &dev_attr_cmf_info.attr,
6082 static const struct attribute_group lpfc_vport_attr_group = {
6083 .attrs = lpfc_vport_attrs
6086 const struct attribute_group *lpfc_vport_groups[] = {
6087 &lpfc_vport_attr_group,
6092 * sysfs_ctlreg_write - Write method for writing to ctlreg
6093 * @filp: open sysfs file
6094 * @kobj: kernel kobject that contains the kernel class device.
6095 * @bin_attr: kernel attributes passed to us.
6096 * @buf: contains the data to be written to the adapter IOREG space.
6097 * @off: offset into buffer to beginning of data.
6098 * @count: bytes to transfer.
6101 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
6102 * Uses the adapter io control registers to send buf contents to the adapter.
6105 * -ERANGE off and count combo out of range
6106 * -EINVAL off, count or buff address invalid
6107 * -EPERM adapter is offline
6108 * value of count, buf contents written
6111 sysfs_ctlreg_write(struct file *filp, struct kobject *kobj,
6112 struct bin_attribute *bin_attr,
6113 char *buf, loff_t off, size_t count)
6116 struct device *dev = container_of(kobj, struct device, kobj);
6117 struct Scsi_Host *shost = class_to_shost(dev);
6118 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6119 struct lpfc_hba *phba = vport->phba;
6121 if (phba->sli_rev >= LPFC_SLI_REV4)
6124 if ((off + count) > FF_REG_AREA_SIZE)
6127 if (count <= LPFC_REG_WRITE_KEY_SIZE)
6130 if (off % 4 || count % 4 || (unsigned long)buf % 4)
6133 /* This is to protect HBA registers from accidental writes. */
6134 if (memcmp(buf, LPFC_REG_WRITE_KEY, LPFC_REG_WRITE_KEY_SIZE))
6137 if (!(vport->fc_flag & FC_OFFLINE_MODE))
6140 spin_lock_irq(&phba->hbalock);
6141 for (buf_off = 0; buf_off < count - LPFC_REG_WRITE_KEY_SIZE;
6142 buf_off += sizeof(uint32_t))
6143 writel(*((uint32_t *)(buf + buf_off + LPFC_REG_WRITE_KEY_SIZE)),
6144 phba->ctrl_regs_memmap_p + off + buf_off);
6146 spin_unlock_irq(&phba->hbalock);
6152 * sysfs_ctlreg_read - Read method for reading from ctlreg
6153 * @filp: open sysfs file
6154 * @kobj: kernel kobject that contains the kernel class device.
6155 * @bin_attr: kernel attributes passed to us.
6156 * @buf: if successful contains the data from the adapter IOREG space.
6157 * @off: offset into buffer to beginning of data.
6158 * @count: bytes to transfer.
6161 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
6162 * Uses the adapter io control registers to read data into buf.
6165 * -ERANGE off and count combo out of range
6166 * -EINVAL off, count or buff address invalid
6167 * value of count, buf contents read
6170 sysfs_ctlreg_read(struct file *filp, struct kobject *kobj,
6171 struct bin_attribute *bin_attr,
6172 char *buf, loff_t off, size_t count)
6176 struct device *dev = container_of(kobj, struct device, kobj);
6177 struct Scsi_Host *shost = class_to_shost(dev);
6178 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6179 struct lpfc_hba *phba = vport->phba;
6181 if (phba->sli_rev >= LPFC_SLI_REV4)
6184 if (off > FF_REG_AREA_SIZE)
6187 if ((off + count) > FF_REG_AREA_SIZE)
6188 count = FF_REG_AREA_SIZE - off;
6190 if (count == 0) return 0;
6192 if (off % 4 || count % 4 || (unsigned long)buf % 4)
6195 spin_lock_irq(&phba->hbalock);
6197 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
6198 tmp_ptr = (uint32_t *)(buf + buf_off);
6199 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
6202 spin_unlock_irq(&phba->hbalock);
6207 static struct bin_attribute sysfs_ctlreg_attr = {
6210 .mode = S_IRUSR | S_IWUSR,
6213 .read = sysfs_ctlreg_read,
6214 .write = sysfs_ctlreg_write,
6218 * sysfs_mbox_write - Write method for writing information via mbox
6219 * @filp: open sysfs file
6220 * @kobj: kernel kobject that contains the kernel class device.
6221 * @bin_attr: kernel attributes passed to us.
6222 * @buf: contains the data to be written to sysfs mbox.
6223 * @off: offset into buffer to beginning of data.
6224 * @count: bytes to transfer.
6227 * Deprecated function. All mailbox access from user space is performed via the
6231 * -EPERM operation not permitted
6234 sysfs_mbox_write(struct file *filp, struct kobject *kobj,
6235 struct bin_attribute *bin_attr,
6236 char *buf, loff_t off, size_t count)
6242 * sysfs_mbox_read - Read method for reading information via mbox
6243 * @filp: open sysfs file
6244 * @kobj: kernel kobject that contains the kernel class device.
6245 * @bin_attr: kernel attributes passed to us.
6246 * @buf: contains the data to be read from sysfs mbox.
6247 * @off: offset into buffer to beginning of data.
6248 * @count: bytes to transfer.
6251 * Deprecated function. All mailbox access from user space is performed via the
6255 * -EPERM operation not permitted
6258 sysfs_mbox_read(struct file *filp, struct kobject *kobj,
6259 struct bin_attribute *bin_attr,
6260 char *buf, loff_t off, size_t count)
6265 static struct bin_attribute sysfs_mbox_attr = {
6268 .mode = S_IRUSR | S_IWUSR,
6270 .size = MAILBOX_SYSFS_MAX,
6271 .read = sysfs_mbox_read,
6272 .write = sysfs_mbox_write,
6276 * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries
6277 * @vport: address of lpfc vport structure.
6281 * error return code from sysfs_create_bin_file()
6284 lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
6286 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
6289 /* Virtual ports do not need ctrl_reg and mbox */
6290 if (vport->port_type == LPFC_NPIV_PORT)
6293 error = sysfs_create_bin_file(&shost->shost_dev.kobj,
6294 &sysfs_ctlreg_attr);
6298 error = sysfs_create_bin_file(&shost->shost_dev.kobj,
6301 goto out_remove_ctlreg_attr;
6304 out_remove_ctlreg_attr:
6305 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
6311 * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries
6312 * @vport: address of lpfc vport structure.
6315 lpfc_free_sysfs_attr(struct lpfc_vport *vport)
6317 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
6319 /* Virtual ports do not need ctrl_reg and mbox */
6320 if (vport->port_type == LPFC_NPIV_PORT)
6322 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr);
6323 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
6327 * Dynamic FC Host Attributes Support
6331 * lpfc_get_host_symbolic_name - Copy symbolic name into the scsi host
6332 * @shost: kernel scsi host pointer.
6335 lpfc_get_host_symbolic_name(struct Scsi_Host *shost)
6337 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
6339 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
6340 sizeof fc_host_symbolic_name(shost));
6344 * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id
6345 * @shost: kernel scsi host pointer.
6348 lpfc_get_host_port_id(struct Scsi_Host *shost)
6350 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6352 /* note: fc_myDID already in cpu endianness */
6353 fc_host_port_id(shost) = vport->fc_myDID;
6357 * lpfc_get_host_port_type - Set the value of the scsi host port type
6358 * @shost: kernel scsi host pointer.
6361 lpfc_get_host_port_type(struct Scsi_Host *shost)
6363 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6364 struct lpfc_hba *phba = vport->phba;
6366 spin_lock_irq(shost->host_lock);
6368 if (vport->port_type == LPFC_NPIV_PORT) {
6369 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
6370 } else if (lpfc_is_link_up(phba)) {
6371 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
6372 if (vport->fc_flag & FC_PUBLIC_LOOP)
6373 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
6375 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
6377 if (vport->fc_flag & FC_FABRIC)
6378 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
6380 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
6383 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
6385 spin_unlock_irq(shost->host_lock);
6389 * lpfc_get_host_port_state - Set the value of the scsi host port state
6390 * @shost: kernel scsi host pointer.
6393 lpfc_get_host_port_state(struct Scsi_Host *shost)
6395 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6396 struct lpfc_hba *phba = vport->phba;
6398 spin_lock_irq(shost->host_lock);
6400 if (vport->fc_flag & FC_OFFLINE_MODE)
6401 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
6403 switch (phba->link_state) {
6404 case LPFC_LINK_UNKNOWN:
6405 case LPFC_LINK_DOWN:
6406 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
6410 case LPFC_HBA_READY:
6411 /* Links up, reports port state accordingly */
6412 if (vport->port_state < LPFC_VPORT_READY)
6413 fc_host_port_state(shost) =
6414 FC_PORTSTATE_BYPASSED;
6416 fc_host_port_state(shost) =
6417 FC_PORTSTATE_ONLINE;
6419 case LPFC_HBA_ERROR:
6420 fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
6423 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
6428 spin_unlock_irq(shost->host_lock);
6432 * lpfc_get_host_speed - Set the value of the scsi host speed
6433 * @shost: kernel scsi host pointer.
6436 lpfc_get_host_speed(struct Scsi_Host *shost)
6438 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6439 struct lpfc_hba *phba = vport->phba;
6441 spin_lock_irq(shost->host_lock);
6443 if ((lpfc_is_link_up(phba)) && (!(phba->hba_flag & HBA_FCOE_MODE))) {
6444 switch(phba->fc_linkspeed) {
6445 case LPFC_LINK_SPEED_1GHZ:
6446 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
6448 case LPFC_LINK_SPEED_2GHZ:
6449 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
6451 case LPFC_LINK_SPEED_4GHZ:
6452 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
6454 case LPFC_LINK_SPEED_8GHZ:
6455 fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
6457 case LPFC_LINK_SPEED_10GHZ:
6458 fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
6460 case LPFC_LINK_SPEED_16GHZ:
6461 fc_host_speed(shost) = FC_PORTSPEED_16GBIT;
6463 case LPFC_LINK_SPEED_32GHZ:
6464 fc_host_speed(shost) = FC_PORTSPEED_32GBIT;
6466 case LPFC_LINK_SPEED_64GHZ:
6467 fc_host_speed(shost) = FC_PORTSPEED_64GBIT;
6469 case LPFC_LINK_SPEED_128GHZ:
6470 fc_host_speed(shost) = FC_PORTSPEED_128GBIT;
6472 case LPFC_LINK_SPEED_256GHZ:
6473 fc_host_speed(shost) = FC_PORTSPEED_256GBIT;
6476 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
6479 } else if (lpfc_is_link_up(phba) && (phba->hba_flag & HBA_FCOE_MODE)) {
6480 switch (phba->fc_linkspeed) {
6481 case LPFC_ASYNC_LINK_SPEED_1GBPS:
6482 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
6484 case LPFC_ASYNC_LINK_SPEED_10GBPS:
6485 fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
6487 case LPFC_ASYNC_LINK_SPEED_20GBPS:
6488 fc_host_speed(shost) = FC_PORTSPEED_20GBIT;
6490 case LPFC_ASYNC_LINK_SPEED_25GBPS:
6491 fc_host_speed(shost) = FC_PORTSPEED_25GBIT;
6493 case LPFC_ASYNC_LINK_SPEED_40GBPS:
6494 fc_host_speed(shost) = FC_PORTSPEED_40GBIT;
6496 case LPFC_ASYNC_LINK_SPEED_100GBPS:
6497 fc_host_speed(shost) = FC_PORTSPEED_100GBIT;
6500 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
6504 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
6506 spin_unlock_irq(shost->host_lock);
6510 * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name
6511 * @shost: kernel scsi host pointer.
6514 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
6516 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6517 struct lpfc_hba *phba = vport->phba;
6520 spin_lock_irq(shost->host_lock);
6522 if ((vport->port_state > LPFC_FLOGI) &&
6523 ((vport->fc_flag & FC_FABRIC) ||
6524 ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) &&
6525 (vport->fc_flag & FC_PUBLIC_LOOP))))
6526 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
6528 /* fabric is local port if there is no F/FL_Port */
6531 spin_unlock_irq(shost->host_lock);
6533 fc_host_fabric_name(shost) = node_name;
6537 * lpfc_get_stats - Return statistical information about the adapter
6538 * @shost: kernel scsi host pointer.
6541 * NULL on error for link down, no mbox pool, sli2 active,
6542 * management not allowed, memory allocation error, or mbox error.
6546 * address of the adapter host statistics
6548 static struct fc_host_statistics *
6549 lpfc_get_stats(struct Scsi_Host *shost)
6551 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6552 struct lpfc_hba *phba = vport->phba;
6553 struct lpfc_sli *psli = &phba->sli;
6554 struct fc_host_statistics *hs = &phba->link_stats;
6555 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
6556 LPFC_MBOXQ_t *pmboxq;
6561 * prevent udev from issuing mailbox commands until the port is
6564 if (phba->link_state < LPFC_LINK_DOWN ||
6565 !phba->mbox_mem_pool ||
6566 (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0)
6569 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
6572 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6575 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
6577 pmb = &pmboxq->u.mb;
6578 pmb->mbxCommand = MBX_READ_STATUS;
6579 pmb->mbxOwner = OWN_HOST;
6580 pmboxq->ctx_buf = NULL;
6581 pmboxq->vport = vport;
6583 if (vport->fc_flag & FC_OFFLINE_MODE) {
6584 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
6585 if (rc != MBX_SUCCESS) {
6586 mempool_free(pmboxq, phba->mbox_mem_pool);
6590 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
6591 if (rc != MBX_SUCCESS) {
6592 if (rc != MBX_TIMEOUT)
6593 mempool_free(pmboxq, phba->mbox_mem_pool);
6598 memset(hs, 0, sizeof (struct fc_host_statistics));
6600 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
6601 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
6604 * The MBX_READ_STATUS returns tx_k_bytes which has to be
6605 * converted to words.
6607 * Check if extended byte flag is set, to know when to collect upper
6608 * bits of 64 bit wide statistics counter.
6610 if (pmb->un.varRdStatus.xkb & RD_ST_XKB) {
6611 hs->tx_words = (u64)
6612 ((((u64)(pmb->un.varRdStatus.xmit_xkb &
6613 RD_ST_XMIT_XKB_MASK) << 32) |
6614 (u64)pmb->un.varRdStatus.xmitByteCnt) *
6616 hs->rx_words = (u64)
6617 ((((u64)(pmb->un.varRdStatus.rcv_xkb &
6618 RD_ST_RCV_XKB_MASK) << 32) |
6619 (u64)pmb->un.varRdStatus.rcvByteCnt) *
6622 hs->tx_words = (uint64_t)
6623 ((uint64_t)pmb->un.varRdStatus.xmitByteCnt
6625 hs->rx_words = (uint64_t)
6626 ((uint64_t)pmb->un.varRdStatus.rcvByteCnt
6630 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
6631 pmb->mbxCommand = MBX_READ_LNK_STAT;
6632 pmb->mbxOwner = OWN_HOST;
6633 pmboxq->ctx_buf = NULL;
6634 pmboxq->vport = vport;
6636 if (vport->fc_flag & FC_OFFLINE_MODE) {
6637 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
6638 if (rc != MBX_SUCCESS) {
6639 mempool_free(pmboxq, phba->mbox_mem_pool);
6643 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
6644 if (rc != MBX_SUCCESS) {
6645 if (rc != MBX_TIMEOUT)
6646 mempool_free(pmboxq, phba->mbox_mem_pool);
6651 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
6652 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
6653 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
6654 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
6655 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
6656 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
6657 hs->error_frames = pmb->un.varRdLnk.crcCnt;
6659 hs->cn_sig_warn = atomic64_read(&phba->cgn_acqe_stat.warn);
6660 hs->cn_sig_alarm = atomic64_read(&phba->cgn_acqe_stat.alarm);
6662 hs->link_failure_count -= lso->link_failure_count;
6663 hs->loss_of_sync_count -= lso->loss_of_sync_count;
6664 hs->loss_of_signal_count -= lso->loss_of_signal_count;
6665 hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
6666 hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
6667 hs->invalid_crc_count -= lso->invalid_crc_count;
6668 hs->error_frames -= lso->error_frames;
6670 if (phba->hba_flag & HBA_FCOE_MODE) {
6672 hs->nos_count = (phba->link_events >> 1);
6673 hs->nos_count -= lso->link_events;
6674 } else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
6675 hs->lip_count = (phba->fc_eventTag >> 1);
6676 hs->lip_count -= lso->link_events;
6680 hs->nos_count = (phba->fc_eventTag >> 1);
6681 hs->nos_count -= lso->link_events;
6684 hs->dumped_frames = -1;
6686 hs->seconds_since_last_reset = ktime_get_seconds() - psli->stats_start;
6688 mempool_free(pmboxq, phba->mbox_mem_pool);
6694 * lpfc_reset_stats - Copy the adapter link stats information
6695 * @shost: kernel scsi host pointer.
6698 lpfc_reset_stats(struct Scsi_Host *shost)
6700 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6701 struct lpfc_hba *phba = vport->phba;
6702 struct lpfc_sli *psli = &phba->sli;
6703 struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets;
6704 LPFC_MBOXQ_t *pmboxq;
6708 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
6711 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6714 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
6716 pmb = &pmboxq->u.mb;
6717 pmb->mbxCommand = MBX_READ_STATUS;
6718 pmb->mbxOwner = OWN_HOST;
6719 pmb->un.varWords[0] = 0x1; /* reset request */
6720 pmboxq->ctx_buf = NULL;
6721 pmboxq->vport = vport;
6723 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
6724 (!(psli->sli_flag & LPFC_SLI_ACTIVE))) {
6725 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
6726 if (rc != MBX_SUCCESS) {
6727 mempool_free(pmboxq, phba->mbox_mem_pool);
6731 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
6732 if (rc != MBX_SUCCESS) {
6733 if (rc != MBX_TIMEOUT)
6734 mempool_free(pmboxq, phba->mbox_mem_pool);
6739 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
6740 pmb->mbxCommand = MBX_READ_LNK_STAT;
6741 pmb->mbxOwner = OWN_HOST;
6742 pmboxq->ctx_buf = NULL;
6743 pmboxq->vport = vport;
6745 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
6746 (!(psli->sli_flag & LPFC_SLI_ACTIVE))) {
6747 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
6748 if (rc != MBX_SUCCESS) {
6749 mempool_free(pmboxq, phba->mbox_mem_pool);
6753 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
6754 if (rc != MBX_SUCCESS) {
6755 if (rc != MBX_TIMEOUT)
6756 mempool_free(pmboxq, phba->mbox_mem_pool);
6761 lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
6762 lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
6763 lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
6764 lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
6765 lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
6766 lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
6767 lso->error_frames = pmb->un.varRdLnk.crcCnt;
6768 if (phba->hba_flag & HBA_FCOE_MODE)
6769 lso->link_events = (phba->link_events >> 1);
6771 lso->link_events = (phba->fc_eventTag >> 1);
6773 atomic64_set(&phba->cgn_acqe_stat.warn, 0);
6774 atomic64_set(&phba->cgn_acqe_stat.alarm, 0);
6776 memset(&shost_to_fc_host(shost)->fpin_stats, 0,
6777 sizeof(shost_to_fc_host(shost)->fpin_stats));
6779 psli->stats_start = ktime_get_seconds();
6781 mempool_free(pmboxq, phba->mbox_mem_pool);
6787 * The LPFC driver treats linkdown handling as target loss events so there
6788 * are no sysfs handlers for link_down_tmo.
6792 * lpfc_get_node_by_target - Return the nodelist for a target
6793 * @starget: kernel scsi target pointer.
6796 * address of the node list if found
6797 * NULL target not found
6799 static struct lpfc_nodelist *
6800 lpfc_get_node_by_target(struct scsi_target *starget)
6802 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
6803 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6804 struct lpfc_nodelist *ndlp;
6806 spin_lock_irq(shost->host_lock);
6807 /* Search for this, mapped, target ID */
6808 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
6809 if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
6810 starget->id == ndlp->nlp_sid) {
6811 spin_unlock_irq(shost->host_lock);
6815 spin_unlock_irq(shost->host_lock);
6820 * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1
6821 * @starget: kernel scsi target pointer.
6824 lpfc_get_starget_port_id(struct scsi_target *starget)
6826 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
6828 fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
6832 * lpfc_get_starget_node_name - Set the target node name
6833 * @starget: kernel scsi target pointer.
6835 * Description: Set the target node name to the ndlp node name wwn or zero.
6838 lpfc_get_starget_node_name(struct scsi_target *starget)
6840 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
6842 fc_starget_node_name(starget) =
6843 ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
6847 * lpfc_get_starget_port_name - Set the target port name
6848 * @starget: kernel scsi target pointer.
6850 * Description: set the target port name to the ndlp port name wwn or zero.
6853 lpfc_get_starget_port_name(struct scsi_target *starget)
6855 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
6857 fc_starget_port_name(starget) =
6858 ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
6862 * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo
6863 * @rport: fc rport address.
6864 * @timeout: new value for dev loss tmo.
6867 * If timeout is non zero set the dev_loss_tmo to timeout, else set
6868 * dev_loss_tmo to one.
6871 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
6873 struct lpfc_rport_data *rdata = rport->dd_data;
6874 struct lpfc_nodelist *ndlp = rdata->pnode;
6875 #if (IS_ENABLED(CONFIG_NVME_FC))
6876 struct lpfc_nvme_rport *nrport = NULL;
6880 rport->dev_loss_tmo = timeout;
6882 rport->dev_loss_tmo = 1;
6885 dev_info(&rport->dev, "Cannot find remote node to "
6886 "set rport dev loss tmo, port_id x%x\n",
6891 #if (IS_ENABLED(CONFIG_NVME_FC))
6892 nrport = lpfc_ndlp_get_nrport(ndlp);
6894 if (nrport && nrport->remoteport)
6895 nvme_fc_set_remoteport_devloss(nrport->remoteport,
6896 rport->dev_loss_tmo);
6901 * lpfc_rport_show_function - Return rport target information
6904 * Macro that uses field to generate a function with the name lpfc_show_rport_
6906 * lpfc_show_rport_##field: returns the bytes formatted in buf
6907 * @cdev: class converted to an fc_rport.
6908 * @buf: on return contains the target_field or zero.
6910 * Returns: size of formatted string.
6912 #define lpfc_rport_show_function(field, format_string, sz, cast) \
6914 lpfc_show_rport_##field (struct device *dev, \
6915 struct device_attribute *attr, \
6918 struct fc_rport *rport = transport_class_to_rport(dev); \
6919 struct lpfc_rport_data *rdata = rport->hostdata; \
6920 return scnprintf(buf, sz, format_string, \
6921 (rdata->target) ? cast rdata->target->field : 0); \
6924 #define lpfc_rport_rd_attr(field, format_string, sz) \
6925 lpfc_rport_show_function(field, format_string, sz, ) \
6926 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
6929 * lpfc_set_vport_symbolic_name - Set the vport's symbolic name
6930 * @fc_vport: The fc_vport who's symbolic name has been changed.
6933 * This function is called by the transport after the @fc_vport's symbolic name
6934 * has been changed. This function re-registers the symbolic name with the
6935 * switch to propagate the change into the fabric if the vport is active.
6938 lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport)
6940 struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data;
6942 if (vport->port_state == LPFC_VPORT_READY)
6943 lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0);
6947 * lpfc_hba_log_verbose_init - Set hba's log verbose level
6948 * @phba: Pointer to lpfc_hba struct.
6949 * @verbose: Verbose level to set.
6951 * This function is called by the lpfc_get_cfgparam() routine to set the
6952 * module lpfc_log_verbose into the @phba cfg_log_verbose for use with
6953 * log message according to the module's lpfc_log_verbose parameter setting
6954 * before hba port or vport created.
6957 lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose)
6959 phba->cfg_log_verbose = verbose;
6962 struct fc_function_template lpfc_transport_functions = {
6963 /* fixed attributes the driver supports */
6964 .show_host_node_name = 1,
6965 .show_host_port_name = 1,
6966 .show_host_supported_classes = 1,
6967 .show_host_supported_fc4s = 1,
6968 .show_host_supported_speeds = 1,
6969 .show_host_maxframe_size = 1,
6971 .get_host_symbolic_name = lpfc_get_host_symbolic_name,
6972 .show_host_symbolic_name = 1,
6974 /* dynamic attributes the driver supports */
6975 .get_host_port_id = lpfc_get_host_port_id,
6976 .show_host_port_id = 1,
6978 .get_host_port_type = lpfc_get_host_port_type,
6979 .show_host_port_type = 1,
6981 .get_host_port_state = lpfc_get_host_port_state,
6982 .show_host_port_state = 1,
6984 /* active_fc4s is shown but doesn't change (thus no get function) */
6985 .show_host_active_fc4s = 1,
6987 .get_host_speed = lpfc_get_host_speed,
6988 .show_host_speed = 1,
6990 .get_host_fabric_name = lpfc_get_host_fabric_name,
6991 .show_host_fabric_name = 1,
6994 * The LPFC driver treats linkdown handling as target loss events
6995 * so there are no sysfs handlers for link_down_tmo.
6998 .get_fc_host_stats = lpfc_get_stats,
6999 .reset_fc_host_stats = lpfc_reset_stats,
7001 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
7002 .show_rport_maxframe_size = 1,
7003 .show_rport_supported_classes = 1,
7005 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
7006 .show_rport_dev_loss_tmo = 1,
7008 .get_starget_port_id = lpfc_get_starget_port_id,
7009 .show_starget_port_id = 1,
7011 .get_starget_node_name = lpfc_get_starget_node_name,
7012 .show_starget_node_name = 1,
7014 .get_starget_port_name = lpfc_get_starget_port_name,
7015 .show_starget_port_name = 1,
7017 .issue_fc_host_lip = lpfc_issue_lip,
7018 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
7019 .terminate_rport_io = lpfc_terminate_rport_io,
7021 .dd_fcvport_size = sizeof(struct lpfc_vport *),
7023 .vport_disable = lpfc_vport_disable,
7025 .set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
7027 .bsg_request = lpfc_bsg_request,
7028 .bsg_timeout = lpfc_bsg_timeout,
7031 struct fc_function_template lpfc_vport_transport_functions = {
7032 /* fixed attributes the driver supports */
7033 .show_host_node_name = 1,
7034 .show_host_port_name = 1,
7035 .show_host_supported_classes = 1,
7036 .show_host_supported_fc4s = 1,
7037 .show_host_supported_speeds = 1,
7038 .show_host_maxframe_size = 1,
7040 .get_host_symbolic_name = lpfc_get_host_symbolic_name,
7041 .show_host_symbolic_name = 1,
7043 /* dynamic attributes the driver supports */
7044 .get_host_port_id = lpfc_get_host_port_id,
7045 .show_host_port_id = 1,
7047 .get_host_port_type = lpfc_get_host_port_type,
7048 .show_host_port_type = 1,
7050 .get_host_port_state = lpfc_get_host_port_state,
7051 .show_host_port_state = 1,
7053 /* active_fc4s is shown but doesn't change (thus no get function) */
7054 .show_host_active_fc4s = 1,
7056 .get_host_speed = lpfc_get_host_speed,
7057 .show_host_speed = 1,
7059 .get_host_fabric_name = lpfc_get_host_fabric_name,
7060 .show_host_fabric_name = 1,
7063 * The LPFC driver treats linkdown handling as target loss events
7064 * so there are no sysfs handlers for link_down_tmo.
7067 .get_fc_host_stats = lpfc_get_stats,
7068 .reset_fc_host_stats = lpfc_reset_stats,
7070 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
7071 .show_rport_maxframe_size = 1,
7072 .show_rport_supported_classes = 1,
7074 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
7075 .show_rport_dev_loss_tmo = 1,
7077 .get_starget_port_id = lpfc_get_starget_port_id,
7078 .show_starget_port_id = 1,
7080 .get_starget_node_name = lpfc_get_starget_node_name,
7081 .show_starget_node_name = 1,
7083 .get_starget_port_name = lpfc_get_starget_port_name,
7084 .show_starget_port_name = 1,
7086 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
7087 .terminate_rport_io = lpfc_terminate_rport_io,
7089 .vport_disable = lpfc_vport_disable,
7091 .set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
7095 * lpfc_get_hba_function_mode - Used to determine the HBA function in FCoE
7097 * @phba: lpfc_hba pointer.
7100 lpfc_get_hba_function_mode(struct lpfc_hba *phba)
7102 /* If the adapter supports FCoE mode */
7103 switch (phba->pcidev->device) {
7104 case PCI_DEVICE_ID_SKYHAWK:
7105 case PCI_DEVICE_ID_SKYHAWK_VF:
7106 case PCI_DEVICE_ID_LANCER_FCOE:
7107 case PCI_DEVICE_ID_LANCER_FCOE_VF:
7108 case PCI_DEVICE_ID_ZEPHYR_DCSP:
7109 case PCI_DEVICE_ID_TIGERSHARK:
7110 case PCI_DEVICE_ID_TOMCAT:
7111 phba->hba_flag |= HBA_FCOE_MODE;
7114 /* for others, clear the flag */
7115 phba->hba_flag &= ~HBA_FCOE_MODE;
7120 * lpfc_get_cfgparam - Used during probe_one to init the adapter structure
7121 * @phba: lpfc_hba pointer.
7124 lpfc_get_cfgparam(struct lpfc_hba *phba)
7126 lpfc_hba_log_verbose_init(phba, lpfc_log_verbose);
7127 lpfc_fcp_io_sched_init(phba, lpfc_fcp_io_sched);
7128 lpfc_ns_query_init(phba, lpfc_ns_query);
7129 lpfc_fcp2_no_tgt_reset_init(phba, lpfc_fcp2_no_tgt_reset);
7130 lpfc_cr_delay_init(phba, lpfc_cr_delay);
7131 lpfc_cr_count_init(phba, lpfc_cr_count);
7132 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
7133 lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
7134 lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
7135 lpfc_ack0_init(phba, lpfc_ack0);
7136 lpfc_xri_rebalancing_init(phba, lpfc_xri_rebalancing);
7137 lpfc_topology_init(phba, lpfc_topology);
7138 lpfc_link_speed_init(phba, lpfc_link_speed);
7139 lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
7140 lpfc_task_mgmt_tmo_init(phba, lpfc_task_mgmt_tmo);
7141 lpfc_enable_npiv_init(phba, lpfc_enable_npiv);
7142 lpfc_fcf_failover_policy_init(phba, lpfc_fcf_failover_policy);
7143 lpfc_enable_rrq_init(phba, lpfc_enable_rrq);
7144 lpfc_fcp_wait_abts_rsp_init(phba, lpfc_fcp_wait_abts_rsp);
7145 lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
7146 lpfc_enable_SmartSAN_init(phba, lpfc_enable_SmartSAN);
7147 lpfc_use_msi_init(phba, lpfc_use_msi);
7148 lpfc_nvme_oas_init(phba, lpfc_nvme_oas);
7149 lpfc_nvme_embed_cmd_init(phba, lpfc_nvme_embed_cmd);
7150 lpfc_fcp_imax_init(phba, lpfc_fcp_imax);
7151 lpfc_force_rscn_init(phba, lpfc_force_rscn);
7152 lpfc_cq_poll_threshold_init(phba, lpfc_cq_poll_threshold);
7153 lpfc_cq_max_proc_limit_init(phba, lpfc_cq_max_proc_limit);
7154 lpfc_fcp_cpu_map_init(phba, lpfc_fcp_cpu_map);
7155 lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset);
7156 lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat);
7158 lpfc_EnableXLane_init(phba, lpfc_EnableXLane);
7160 lpfc_max_vmid_init(phba, lpfc_max_vmid);
7161 lpfc_vmid_inactivity_timeout_init(phba, lpfc_vmid_inactivity_timeout);
7162 lpfc_vmid_app_header_init(phba, lpfc_vmid_app_header);
7163 lpfc_vmid_priority_tagging_init(phba, lpfc_vmid_priority_tagging);
7164 if (phba->sli_rev != LPFC_SLI_REV4)
7165 phba->cfg_EnableXLane = 0;
7166 lpfc_XLanePriority_init(phba, lpfc_XLanePriority);
7168 memset(phba->cfg_oas_tgt_wwpn, 0, (8 * sizeof(uint8_t)));
7169 memset(phba->cfg_oas_vpt_wwpn, 0, (8 * sizeof(uint8_t)));
7170 phba->cfg_oas_lun_state = 0;
7171 phba->cfg_oas_lun_status = 0;
7172 phba->cfg_oas_flags = 0;
7173 phba->cfg_oas_priority = 0;
7174 lpfc_enable_bg_init(phba, lpfc_enable_bg);
7175 lpfc_prot_mask_init(phba, lpfc_prot_mask);
7176 lpfc_prot_guard_init(phba, lpfc_prot_guard);
7177 if (phba->sli_rev == LPFC_SLI_REV4)
7180 phba->cfg_poll = lpfc_poll;
7182 /* Get the function mode */
7183 lpfc_get_hba_function_mode(phba);
7185 /* BlockGuard allowed for FC only. */
7186 if (phba->cfg_enable_bg && phba->hba_flag & HBA_FCOE_MODE) {
7187 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7188 "0581 BlockGuard feature not supported\n");
7189 /* If set, clear the BlockGuard support param */
7190 phba->cfg_enable_bg = 0;
7191 } else if (phba->cfg_enable_bg) {
7192 phba->sli3_options |= LPFC_SLI3_BG_ENABLED;
7195 lpfc_suppress_rsp_init(phba, lpfc_suppress_rsp);
7197 lpfc_enable_fc4_type_init(phba, lpfc_enable_fc4_type);
7198 lpfc_nvmet_mrq_init(phba, lpfc_nvmet_mrq);
7199 lpfc_nvmet_mrq_post_init(phba, lpfc_nvmet_mrq_post);
7201 /* Initialize first burst. Target vs Initiator are different. */
7202 lpfc_nvme_enable_fb_init(phba, lpfc_nvme_enable_fb);
7203 lpfc_nvmet_fb_size_init(phba, lpfc_nvmet_fb_size);
7204 lpfc_fcp_mq_threshold_init(phba, lpfc_fcp_mq_threshold);
7205 lpfc_hdw_queue_init(phba, lpfc_hdw_queue);
7206 lpfc_irq_chann_init(phba, lpfc_irq_chann);
7207 lpfc_enable_bbcr_init(phba, lpfc_enable_bbcr);
7208 lpfc_enable_dpp_init(phba, lpfc_enable_dpp);
7209 lpfc_enable_mi_init(phba, lpfc_enable_mi);
7211 phba->cgn_p.cgn_param_mode = LPFC_CFG_OFF;
7212 phba->cmf_active_mode = LPFC_CFG_OFF;
7213 if (lpfc_fabric_cgn_frequency > EDC_CG_SIGFREQ_CNT_MAX ||
7214 lpfc_fabric_cgn_frequency < EDC_CG_SIGFREQ_CNT_MIN)
7215 lpfc_fabric_cgn_frequency = 100; /* 100 ms default */
7217 if (phba->sli_rev != LPFC_SLI_REV4) {
7218 /* NVME only supported on SLI4 */
7219 phba->nvmet_support = 0;
7220 phba->cfg_nvmet_mrq = 0;
7221 phba->cfg_enable_fc4_type = LPFC_ENABLE_FCP;
7222 phba->cfg_enable_bbcr = 0;
7223 phba->cfg_xri_rebalancing = 0;
7225 /* We MUST have FCP support */
7226 if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP))
7227 phba->cfg_enable_fc4_type |= LPFC_ENABLE_FCP;
7230 phba->cfg_auto_imax = (phba->cfg_fcp_imax) ? 0 : 1;
7232 phba->cfg_enable_pbde = 0;
7234 /* A value of 0 means use the number of CPUs found in the system */
7235 if (phba->cfg_hdw_queue == 0)
7236 phba->cfg_hdw_queue = phba->sli4_hba.num_present_cpu;
7237 if (phba->cfg_irq_chann == 0)
7238 phba->cfg_irq_chann = phba->sli4_hba.num_present_cpu;
7239 if (phba->cfg_irq_chann > phba->cfg_hdw_queue &&
7240 phba->sli_rev == LPFC_SLI_REV4)
7241 phba->cfg_irq_chann = phba->cfg_hdw_queue;
7243 lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt);
7244 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
7245 lpfc_sriov_nr_virtfn_init(phba, lpfc_sriov_nr_virtfn);
7246 lpfc_request_firmware_upgrade_init(phba, lpfc_req_fw_upgrade);
7247 lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up);
7248 lpfc_delay_discovery_init(phba, lpfc_delay_discovery);
7249 lpfc_sli_mode_init(phba, lpfc_sli_mode);
7250 lpfc_enable_mds_diags_init(phba, lpfc_enable_mds_diags);
7251 lpfc_ras_fwlog_buffsize_init(phba, lpfc_ras_fwlog_buffsize);
7252 lpfc_ras_fwlog_level_init(phba, lpfc_ras_fwlog_level);
7253 lpfc_ras_fwlog_func_init(phba, lpfc_ras_fwlog_func);
7259 * lpfc_nvme_mod_param_dep - Adjust module parameter value based on
7260 * dependencies between protocols and roles.
7261 * @phba: lpfc_hba pointer.
7264 lpfc_nvme_mod_param_dep(struct lpfc_hba *phba)
7268 if (phba->cfg_hdw_queue > phba->sli4_hba.num_present_cpu) {
7269 phba->cfg_hdw_queue = phba->sli4_hba.num_present_cpu;
7272 if (phba->cfg_irq_chann > phba->sli4_hba.num_present_cpu) {
7273 phba->cfg_irq_chann = phba->sli4_hba.num_present_cpu;
7276 if (phba->cfg_irq_chann > phba->cfg_hdw_queue) {
7277 phba->cfg_irq_chann = phba->cfg_hdw_queue;
7281 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
7282 "2006 Reducing Queues - CPU limitation: "
7284 phba->cfg_irq_chann,
7285 phba->cfg_hdw_queue);
7287 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME &&
7288 phba->nvmet_support) {
7289 phba->cfg_enable_fc4_type &= ~LPFC_ENABLE_FCP;
7291 lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC,
7292 "6013 %s x%x fb_size x%x, fb_max x%x\n",
7293 "NVME Target PRLI ACC enable_fb ",
7294 phba->cfg_nvme_enable_fb,
7295 phba->cfg_nvmet_fb_size,
7296 LPFC_NVMET_FB_SZ_MAX);
7298 if (phba->cfg_nvme_enable_fb == 0)
7299 phba->cfg_nvmet_fb_size = 0;
7301 if (phba->cfg_nvmet_fb_size > LPFC_NVMET_FB_SZ_MAX)
7302 phba->cfg_nvmet_fb_size = LPFC_NVMET_FB_SZ_MAX;
7305 if (!phba->cfg_nvmet_mrq)
7306 phba->cfg_nvmet_mrq = phba->cfg_hdw_queue;
7308 /* Adjust lpfc_nvmet_mrq to avoid running out of WQE slots */
7309 if (phba->cfg_nvmet_mrq > phba->cfg_hdw_queue) {
7310 phba->cfg_nvmet_mrq = phba->cfg_hdw_queue;
7311 lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC,
7312 "6018 Adjust lpfc_nvmet_mrq to %d\n",
7313 phba->cfg_nvmet_mrq);
7315 if (phba->cfg_nvmet_mrq > LPFC_NVMET_MRQ_MAX)
7316 phba->cfg_nvmet_mrq = LPFC_NVMET_MRQ_MAX;
7319 /* Not NVME Target mode. Turn off Target parameters. */
7320 phba->nvmet_support = 0;
7321 phba->cfg_nvmet_mrq = 0;
7322 phba->cfg_nvmet_fb_size = 0;
7327 * lpfc_get_vport_cfgparam - Used during port create, init the vport structure
7328 * @vport: lpfc_vport pointer.
7331 lpfc_get_vport_cfgparam(struct lpfc_vport *vport)
7333 lpfc_log_verbose_init(vport, lpfc_log_verbose);
7334 lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth);
7335 lpfc_tgt_queue_depth_init(vport, lpfc_tgt_queue_depth);
7336 lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo);
7337 lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo);
7338 lpfc_peer_port_login_init(vport, lpfc_peer_port_login);
7339 lpfc_restrict_login_init(vport, lpfc_restrict_login);
7340 lpfc_fcp_class_init(vport, lpfc_fcp_class);
7341 lpfc_use_adisc_init(vport, lpfc_use_adisc);
7342 lpfc_first_burst_size_init(vport, lpfc_first_burst_size);
7343 lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time);
7344 lpfc_discovery_threads_init(vport, lpfc_discovery_threads);
7345 lpfc_max_luns_init(vport, lpfc_max_luns);
7346 lpfc_scan_down_init(vport, lpfc_scan_down);
7347 lpfc_enable_da_id_init(vport, lpfc_enable_da_id);