1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2020 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>
40 #include <linux/nvme-fc-driver.h>
45 #include "lpfc_sli4.h"
47 #include "lpfc_disc.h"
49 #include "lpfc_scsi.h"
50 #include "lpfc_nvme.h"
51 #include "lpfc_nvmet.h"
52 #include "lpfc_logmsg.h"
53 #include "lpfc_version.h"
54 #include "lpfc_compat.h"
55 #include "lpfc_crtn.h"
56 #include "lpfc_vport.h"
57 #include "lpfc_attr.h"
59 #define LPFC_DEF_DEVLOSS_TMO 30
60 #define LPFC_MIN_DEVLOSS_TMO 1
61 #define LPFC_MAX_DEVLOSS_TMO 255
63 #define LPFC_DEF_MRQ_POST 512
64 #define LPFC_MIN_MRQ_POST 512
65 #define LPFC_MAX_MRQ_POST 2048
68 * Write key size should be multiple of 4. If write key is changed
69 * make sure that library write key is also changed.
71 #define LPFC_REG_WRITE_KEY_SIZE 4
72 #define LPFC_REG_WRITE_KEY "EMLX"
74 const char *const trunk_errmsg[] = { /* map errcode */
75 "", /* There is no such error code at index 0*/
76 "link negotiated speed does not match existing"
77 " trunk - link was \"low\" speed",
78 "link negotiated speed does not match"
79 " existing trunk - link was \"middle\" speed",
80 "link negotiated speed does not match existing"
81 " trunk - link was \"high\" speed",
82 "Attached to non-trunking port - F_Port",
83 "Attached to non-trunking port - N_Port",
84 "FLOGI response timeout",
85 "non-FLOGI frame received",
86 "Invalid FLOGI response",
87 "Trunking initialization protocol",
88 "Trunk peer device mismatch",
92 * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules
93 * @incr: integer to convert.
94 * @hdw: ascii string holding converted integer plus a string terminator.
97 * JEDEC Joint Electron Device Engineering Council.
98 * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii
99 * character string. The string is then terminated with a NULL in byte 9.
100 * Hex 0-9 becomes ascii '0' to '9'.
101 * Hex a-f becomes ascii '=' to 'B' capital B.
104 * Coded for 32 bit integers only.
107 lpfc_jedec_to_ascii(int incr, char hdw[])
110 for (i = 0; i < 8; i++) {
113 hdw[7 - i] = 0x30 + j;
115 hdw[7 - i] = 0x61 + j - 10;
123 * lpfc_drvr_version_show - Return the Emulex driver string with version number
124 * @dev: class unused variable.
125 * @attr: device attribute, not used.
126 * @buf: on return contains the module description text.
128 * Returns: size of formatted string.
131 lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr,
134 return scnprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
138 * lpfc_enable_fip_show - Return the fip mode of the HBA
139 * @dev: class unused variable.
140 * @attr: device attribute, not used.
141 * @buf: on return contains the module description text.
143 * Returns: size of formatted string.
146 lpfc_enable_fip_show(struct device *dev, struct device_attribute *attr,
149 struct Scsi_Host *shost = class_to_shost(dev);
150 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
151 struct lpfc_hba *phba = vport->phba;
153 if (phba->hba_flag & HBA_FIP_SUPPORT)
154 return scnprintf(buf, PAGE_SIZE, "1\n");
156 return scnprintf(buf, PAGE_SIZE, "0\n");
160 lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
163 struct Scsi_Host *shost = class_to_shost(dev);
164 struct lpfc_vport *vport = shost_priv(shost);
165 struct lpfc_hba *phba = vport->phba;
166 struct lpfc_nvmet_tgtport *tgtp;
167 struct nvme_fc_local_port *localport;
168 struct lpfc_nvme_lport *lport;
169 struct lpfc_nvme_rport *rport;
170 struct lpfc_nodelist *ndlp;
171 struct nvme_fc_remote_port *nrport;
172 struct lpfc_fc4_ctrl_stat *cstat;
173 uint64_t data1, data2, data3;
174 uint64_t totin, totout, tot;
178 char tmp[LPFC_MAX_NVME_INFO_TMP_LEN] = {0};
180 if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) {
181 len = scnprintf(buf, PAGE_SIZE, "NVME Disabled\n");
184 if (phba->nvmet_support) {
185 if (!phba->targetport) {
186 len = scnprintf(buf, PAGE_SIZE,
187 "NVME Target: x%llx is not allocated\n",
188 wwn_to_u64(vport->fc_portname.u.wwn));
191 /* Port state is only one of two values for now. */
192 if (phba->targetport->port_id)
193 statep = "REGISTERED";
196 scnprintf(tmp, sizeof(tmp),
197 "NVME Target Enabled State %s\n",
199 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
202 scnprintf(tmp, sizeof(tmp),
203 "%s%d WWPN x%llx WWNN x%llx DID x%06x\n",
206 wwn_to_u64(vport->fc_portname.u.wwn),
207 wwn_to_u64(vport->fc_nodename.u.wwn),
208 phba->targetport->port_id);
209 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
212 if (strlcat(buf, "\nNVME Target: Statistics\n", PAGE_SIZE)
216 tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
217 scnprintf(tmp, sizeof(tmp),
218 "LS: Rcv %08x Drop %08x Abort %08x\n",
219 atomic_read(&tgtp->rcv_ls_req_in),
220 atomic_read(&tgtp->rcv_ls_req_drop),
221 atomic_read(&tgtp->xmt_ls_abort));
222 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
225 if (atomic_read(&tgtp->rcv_ls_req_in) !=
226 atomic_read(&tgtp->rcv_ls_req_out)) {
227 scnprintf(tmp, sizeof(tmp),
228 "Rcv LS: in %08x != out %08x\n",
229 atomic_read(&tgtp->rcv_ls_req_in),
230 atomic_read(&tgtp->rcv_ls_req_out));
231 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
235 scnprintf(tmp, sizeof(tmp),
236 "LS: Xmt %08x Drop %08x Cmpl %08x\n",
237 atomic_read(&tgtp->xmt_ls_rsp),
238 atomic_read(&tgtp->xmt_ls_drop),
239 atomic_read(&tgtp->xmt_ls_rsp_cmpl));
240 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
243 scnprintf(tmp, sizeof(tmp),
244 "LS: RSP Abort %08x xb %08x Err %08x\n",
245 atomic_read(&tgtp->xmt_ls_rsp_aborted),
246 atomic_read(&tgtp->xmt_ls_rsp_xb_set),
247 atomic_read(&tgtp->xmt_ls_rsp_error));
248 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
251 scnprintf(tmp, sizeof(tmp),
252 "FCP: Rcv %08x Defer %08x Release %08x "
254 atomic_read(&tgtp->rcv_fcp_cmd_in),
255 atomic_read(&tgtp->rcv_fcp_cmd_defer),
256 atomic_read(&tgtp->xmt_fcp_release),
257 atomic_read(&tgtp->rcv_fcp_cmd_drop));
258 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
261 if (atomic_read(&tgtp->rcv_fcp_cmd_in) !=
262 atomic_read(&tgtp->rcv_fcp_cmd_out)) {
263 scnprintf(tmp, sizeof(tmp),
264 "Rcv FCP: in %08x != out %08x\n",
265 atomic_read(&tgtp->rcv_fcp_cmd_in),
266 atomic_read(&tgtp->rcv_fcp_cmd_out));
267 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
271 scnprintf(tmp, sizeof(tmp),
272 "FCP Rsp: RD %08x rsp %08x WR %08x rsp %08x "
274 atomic_read(&tgtp->xmt_fcp_read),
275 atomic_read(&tgtp->xmt_fcp_read_rsp),
276 atomic_read(&tgtp->xmt_fcp_write),
277 atomic_read(&tgtp->xmt_fcp_rsp),
278 atomic_read(&tgtp->xmt_fcp_drop));
279 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
282 scnprintf(tmp, sizeof(tmp),
283 "FCP Rsp Cmpl: %08x err %08x drop %08x\n",
284 atomic_read(&tgtp->xmt_fcp_rsp_cmpl),
285 atomic_read(&tgtp->xmt_fcp_rsp_error),
286 atomic_read(&tgtp->xmt_fcp_rsp_drop));
287 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
290 scnprintf(tmp, sizeof(tmp),
291 "FCP Rsp Abort: %08x xb %08x xricqe %08x\n",
292 atomic_read(&tgtp->xmt_fcp_rsp_aborted),
293 atomic_read(&tgtp->xmt_fcp_rsp_xb_set),
294 atomic_read(&tgtp->xmt_fcp_xri_abort_cqe));
295 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
298 scnprintf(tmp, sizeof(tmp),
299 "ABORT: Xmt %08x Cmpl %08x\n",
300 atomic_read(&tgtp->xmt_fcp_abort),
301 atomic_read(&tgtp->xmt_fcp_abort_cmpl));
302 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
305 scnprintf(tmp, sizeof(tmp),
306 "ABORT: Sol %08x Usol %08x Err %08x Cmpl %08x\n",
307 atomic_read(&tgtp->xmt_abort_sol),
308 atomic_read(&tgtp->xmt_abort_unsol),
309 atomic_read(&tgtp->xmt_abort_rsp),
310 atomic_read(&tgtp->xmt_abort_rsp_error));
311 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
314 scnprintf(tmp, sizeof(tmp),
315 "DELAY: ctx %08x fod %08x wqfull %08x\n",
316 atomic_read(&tgtp->defer_ctx),
317 atomic_read(&tgtp->defer_fod),
318 atomic_read(&tgtp->defer_wqfull));
319 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
322 /* Calculate outstanding IOs */
323 tot = atomic_read(&tgtp->rcv_fcp_cmd_drop);
324 tot += atomic_read(&tgtp->xmt_fcp_release);
325 tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot;
327 scnprintf(tmp, sizeof(tmp),
328 "IO_CTX: %08x WAIT: cur %08x tot %08x\n"
329 "CTX Outstanding %08llx\n\n",
330 phba->sli4_hba.nvmet_xri_cnt,
331 phba->sli4_hba.nvmet_io_wait_cnt,
332 phba->sli4_hba.nvmet_io_wait_total,
334 strlcat(buf, tmp, PAGE_SIZE);
338 localport = vport->localport;
340 len = scnprintf(buf, PAGE_SIZE,
341 "NVME Initiator x%llx is not allocated\n",
342 wwn_to_u64(vport->fc_portname.u.wwn));
345 lport = (struct lpfc_nvme_lport *)localport->private;
346 if (strlcat(buf, "\nNVME Initiator Enabled\n", PAGE_SIZE) >= PAGE_SIZE)
349 scnprintf(tmp, sizeof(tmp),
350 "XRI Dist lpfc%d Total %d IO %d ELS %d\n",
352 phba->sli4_hba.max_cfg_param.max_xri,
353 phba->sli4_hba.io_xri_max,
354 lpfc_sli4_get_els_iocb_cnt(phba));
355 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
358 /* Port state is only one of two values for now. */
359 if (localport->port_id)
364 scnprintf(tmp, sizeof(tmp),
365 "%s%d WWPN x%llx WWNN x%llx DID x%06x %s\n",
368 wwn_to_u64(vport->fc_portname.u.wwn),
369 wwn_to_u64(vport->fc_nodename.u.wwn),
370 localport->port_id, statep);
371 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
374 spin_lock_irq(shost->host_lock);
376 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
378 spin_lock(&vport->phba->hbalock);
379 rport = lpfc_ndlp_get_nrport(ndlp);
381 nrport = rport->remoteport;
382 spin_unlock(&vport->phba->hbalock);
386 /* Port state is only one of two values for now. */
387 switch (nrport->port_state) {
388 case FC_OBJSTATE_ONLINE:
391 case FC_OBJSTATE_UNKNOWN:
395 statep = "UNSUPPORTED";
399 /* Tab in to show lport ownership. */
400 if (strlcat(buf, "NVME RPORT ", PAGE_SIZE) >= PAGE_SIZE)
401 goto unlock_buf_done;
402 if (phba->brd_no >= 10) {
403 if (strlcat(buf, " ", PAGE_SIZE) >= PAGE_SIZE)
404 goto unlock_buf_done;
407 scnprintf(tmp, sizeof(tmp), "WWPN x%llx ",
409 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
410 goto unlock_buf_done;
412 scnprintf(tmp, sizeof(tmp), "WWNN x%llx ",
414 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
415 goto unlock_buf_done;
417 scnprintf(tmp, sizeof(tmp), "DID x%06x ",
419 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
420 goto unlock_buf_done;
422 /* An NVME rport can have multiple roles. */
423 if (nrport->port_role & FC_PORT_ROLE_NVME_INITIATOR) {
424 if (strlcat(buf, "INITIATOR ", PAGE_SIZE) >= PAGE_SIZE)
425 goto unlock_buf_done;
427 if (nrport->port_role & FC_PORT_ROLE_NVME_TARGET) {
428 if (strlcat(buf, "TARGET ", PAGE_SIZE) >= PAGE_SIZE)
429 goto unlock_buf_done;
431 if (nrport->port_role & FC_PORT_ROLE_NVME_DISCOVERY) {
432 if (strlcat(buf, "DISCSRVC ", PAGE_SIZE) >= PAGE_SIZE)
433 goto unlock_buf_done;
435 if (nrport->port_role & ~(FC_PORT_ROLE_NVME_INITIATOR |
436 FC_PORT_ROLE_NVME_TARGET |
437 FC_PORT_ROLE_NVME_DISCOVERY)) {
438 scnprintf(tmp, sizeof(tmp), "UNKNOWN ROLE x%x",
440 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
441 goto unlock_buf_done;
444 scnprintf(tmp, sizeof(tmp), "%s\n", statep);
445 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
446 goto unlock_buf_done;
448 spin_unlock_irq(shost->host_lock);
453 if (strlcat(buf, "\nNVME Statistics\n", PAGE_SIZE) >= PAGE_SIZE)
456 scnprintf(tmp, sizeof(tmp),
457 "LS: Xmt %010x Cmpl %010x Abort %08x\n",
458 atomic_read(&lport->fc4NvmeLsRequests),
459 atomic_read(&lport->fc4NvmeLsCmpls),
460 atomic_read(&lport->xmt_ls_abort));
461 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
464 scnprintf(tmp, sizeof(tmp),
465 "LS XMIT: Err %08x CMPL: xb %08x Err %08x\n",
466 atomic_read(&lport->xmt_ls_err),
467 atomic_read(&lport->cmpl_ls_xb),
468 atomic_read(&lport->cmpl_ls_err));
469 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
474 for (i = 0; i < phba->cfg_hdw_queue; i++) {
475 cstat = &phba->sli4_hba.hdwq[i].nvme_cstat;
476 tot = cstat->io_cmpls;
478 data1 = cstat->input_requests;
479 data2 = cstat->output_requests;
480 data3 = cstat->control_requests;
481 totout += (data1 + data2 + data3);
483 scnprintf(tmp, sizeof(tmp),
484 "Total FCP Cmpl %016llx Issue %016llx "
486 totin, totout, totout - totin);
487 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
490 scnprintf(tmp, sizeof(tmp),
491 "\tabort %08x noxri %08x nondlp %08x qdepth %08x "
492 "wqerr %08x err %08x\n",
493 atomic_read(&lport->xmt_fcp_abort),
494 atomic_read(&lport->xmt_fcp_noxri),
495 atomic_read(&lport->xmt_fcp_bad_ndlp),
496 atomic_read(&lport->xmt_fcp_qdepth),
497 atomic_read(&lport->xmt_fcp_err),
498 atomic_read(&lport->xmt_fcp_wqerr));
499 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
502 scnprintf(tmp, sizeof(tmp),
503 "FCP CMPL: xb %08x Err %08x\n",
504 atomic_read(&lport->cmpl_fcp_xb),
505 atomic_read(&lport->cmpl_fcp_err));
506 strlcat(buf, tmp, PAGE_SIZE);
508 /* host_lock is already unlocked. */
512 spin_unlock_irq(shost->host_lock);
515 len = strnlen(buf, PAGE_SIZE);
517 if (unlikely(len >= (PAGE_SIZE - 1))) {
518 lpfc_printf_log(phba, KERN_INFO, LOG_NVME,
519 "6314 Catching potential buffer "
520 "overflow > PAGE_SIZE = %lu bytes\n",
522 strlcpy(buf + PAGE_SIZE - 1 -
523 strnlen(LPFC_NVME_INFO_MORE_STR, PAGE_SIZE - 1),
524 LPFC_NVME_INFO_MORE_STR,
525 strnlen(LPFC_NVME_INFO_MORE_STR, PAGE_SIZE - 1)
533 lpfc_scsi_stat_show(struct device *dev, struct device_attribute *attr,
536 struct Scsi_Host *shost = class_to_shost(dev);
537 struct lpfc_vport *vport = shost_priv(shost);
538 struct lpfc_hba *phba = vport->phba;
540 struct lpfc_fc4_ctrl_stat *cstat;
541 u64 data1, data2, data3;
542 u64 tot, totin, totout;
544 char tmp[LPFC_MAX_SCSI_INFO_TMP_LEN] = {0};
546 if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_FCP) ||
547 (phba->sli_rev != LPFC_SLI_REV4))
550 scnprintf(buf, PAGE_SIZE, "SCSI HDWQ Statistics\n");
554 for (i = 0; i < phba->cfg_hdw_queue; i++) {
555 cstat = &phba->sli4_hba.hdwq[i].scsi_cstat;
556 tot = cstat->io_cmpls;
558 data1 = cstat->input_requests;
559 data2 = cstat->output_requests;
560 data3 = cstat->control_requests;
561 totout += (data1 + data2 + data3);
563 scnprintf(tmp, sizeof(tmp), "HDWQ (%d): Rd %016llx Wr %016llx "
564 "IO %016llx ", i, data1, data2, data3);
565 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
568 scnprintf(tmp, sizeof(tmp), "Cmpl %016llx OutIO %016llx\n",
569 tot, ((data1 + data2 + data3) - tot));
570 if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
573 scnprintf(tmp, sizeof(tmp), "Total FCP Cmpl %016llx Issue %016llx "
574 "OutIO %016llx\n", totin, totout, totout - totin);
575 strlcat(buf, tmp, PAGE_SIZE);
578 len = strnlen(buf, PAGE_SIZE);
584 lpfc_bg_info_show(struct device *dev, struct device_attribute *attr,
587 struct Scsi_Host *shost = class_to_shost(dev);
588 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
589 struct lpfc_hba *phba = vport->phba;
591 if (phba->cfg_enable_bg) {
592 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
593 return scnprintf(buf, PAGE_SIZE,
594 "BlockGuard Enabled\n");
596 return scnprintf(buf, PAGE_SIZE,
597 "BlockGuard Not Supported\n");
599 return scnprintf(buf, PAGE_SIZE,
600 "BlockGuard Disabled\n");
604 lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr,
607 struct Scsi_Host *shost = class_to_shost(dev);
608 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
609 struct lpfc_hba *phba = vport->phba;
611 return scnprintf(buf, PAGE_SIZE, "%llu\n",
612 (unsigned long long)phba->bg_guard_err_cnt);
616 lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr,
619 struct Scsi_Host *shost = class_to_shost(dev);
620 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
621 struct lpfc_hba *phba = vport->phba;
623 return scnprintf(buf, PAGE_SIZE, "%llu\n",
624 (unsigned long long)phba->bg_apptag_err_cnt);
628 lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr,
631 struct Scsi_Host *shost = class_to_shost(dev);
632 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
633 struct lpfc_hba *phba = vport->phba;
635 return scnprintf(buf, PAGE_SIZE, "%llu\n",
636 (unsigned long long)phba->bg_reftag_err_cnt);
640 * lpfc_info_show - Return some pci info about the host in ascii
641 * @dev: class converted to a Scsi_host structure.
642 * @attr: device attribute, not used.
643 * @buf: on return contains the formatted text from lpfc_info().
645 * Returns: size of formatted string.
648 lpfc_info_show(struct device *dev, struct device_attribute *attr,
651 struct Scsi_Host *host = class_to_shost(dev);
653 return scnprintf(buf, PAGE_SIZE, "%s\n", lpfc_info(host));
657 * lpfc_serialnum_show - Return the hba serial number in ascii
658 * @dev: class converted to a Scsi_host structure.
659 * @attr: device attribute, not used.
660 * @buf: on return contains the formatted text serial number.
662 * Returns: size of formatted string.
665 lpfc_serialnum_show(struct device *dev, struct device_attribute *attr,
668 struct Scsi_Host *shost = class_to_shost(dev);
669 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
670 struct lpfc_hba *phba = vport->phba;
672 return scnprintf(buf, PAGE_SIZE, "%s\n", phba->SerialNumber);
676 * lpfc_temp_sensor_show - Return the temperature sensor level
677 * @dev: class converted to a Scsi_host structure.
678 * @attr: device attribute, not used.
679 * @buf: on return contains the formatted support level.
682 * Returns a number indicating the temperature sensor level currently
683 * supported, zero or one in ascii.
685 * Returns: size of formatted string.
688 lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr,
691 struct Scsi_Host *shost = class_to_shost(dev);
692 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
693 struct lpfc_hba *phba = vport->phba;
694 return scnprintf(buf, PAGE_SIZE, "%d\n", phba->temp_sensor_support);
698 * lpfc_modeldesc_show - Return the model description of the hba
699 * @dev: class converted to a Scsi_host structure.
700 * @attr: device attribute, not used.
701 * @buf: on return contains the scsi vpd model description.
703 * Returns: size of formatted string.
706 lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr,
709 struct Scsi_Host *shost = class_to_shost(dev);
710 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
711 struct lpfc_hba *phba = vport->phba;
713 return scnprintf(buf, PAGE_SIZE, "%s\n", phba->ModelDesc);
717 * lpfc_modelname_show - Return the model name of the hba
718 * @dev: class converted to a Scsi_host structure.
719 * @attr: device attribute, not used.
720 * @buf: on return contains the scsi vpd model name.
722 * Returns: size of formatted string.
725 lpfc_modelname_show(struct device *dev, struct device_attribute *attr,
728 struct Scsi_Host *shost = class_to_shost(dev);
729 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
730 struct lpfc_hba *phba = vport->phba;
732 return scnprintf(buf, PAGE_SIZE, "%s\n", phba->ModelName);
736 * lpfc_programtype_show - Return the program type of the hba
737 * @dev: class converted to a Scsi_host structure.
738 * @attr: device attribute, not used.
739 * @buf: on return contains the scsi vpd program type.
741 * Returns: size of formatted string.
744 lpfc_programtype_show(struct device *dev, struct device_attribute *attr,
747 struct Scsi_Host *shost = class_to_shost(dev);
748 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
749 struct lpfc_hba *phba = vport->phba;
751 return scnprintf(buf, PAGE_SIZE, "%s\n", phba->ProgramType);
755 * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag
756 * @dev: class converted to a Scsi_host structure.
757 * @attr: device attribute, not used.
758 * @buf: on return contains the Menlo Maintenance sli flag.
760 * Returns: size of formatted string.
763 lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf)
765 struct Scsi_Host *shost = class_to_shost(dev);
766 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
767 struct lpfc_hba *phba = vport->phba;
769 return scnprintf(buf, PAGE_SIZE, "%d\n",
770 (phba->sli.sli_flag & LPFC_MENLO_MAINT));
774 * lpfc_vportnum_show - Return the port number in ascii of the hba
775 * @dev: class converted to a Scsi_host structure.
776 * @attr: device attribute, not used.
777 * @buf: on return contains scsi vpd program type.
779 * Returns: size of formatted string.
782 lpfc_vportnum_show(struct device *dev, struct device_attribute *attr,
785 struct Scsi_Host *shost = class_to_shost(dev);
786 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
787 struct lpfc_hba *phba = vport->phba;
789 return scnprintf(buf, PAGE_SIZE, "%s\n", phba->Port);
793 * lpfc_fwrev_show - Return the firmware rev running in the hba
794 * @dev: class converted to a Scsi_host structure.
795 * @attr: device attribute, not used.
796 * @buf: on return contains the scsi vpd program type.
798 * Returns: size of formatted string.
801 lpfc_fwrev_show(struct device *dev, struct device_attribute *attr,
804 struct Scsi_Host *shost = class_to_shost(dev);
805 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
806 struct lpfc_hba *phba = vport->phba;
809 char fwrev[FW_REV_STR_SIZE];
812 lpfc_decode_firmware_rev(phba, fwrev, 1);
813 if_type = phba->sli4_hba.pc_sli4_params.if_type;
814 sli_family = phba->sli4_hba.pc_sli4_params.sli_family;
816 if (phba->sli_rev < LPFC_SLI_REV4)
817 len = scnprintf(buf, PAGE_SIZE, "%s, sli-%d\n",
818 fwrev, phba->sli_rev);
820 len = scnprintf(buf, PAGE_SIZE, "%s, sli-%d:%d:%x\n",
821 fwrev, phba->sli_rev, if_type, sli_family);
827 * lpfc_hdw_show - Return the jedec information about the hba
828 * @dev: class converted to a Scsi_host structure.
829 * @attr: device attribute, not used.
830 * @buf: on return contains the scsi vpd program type.
832 * Returns: size of formatted string.
835 lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf)
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;
841 lpfc_vpd_t *vp = &phba->vpd;
843 lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
844 return scnprintf(buf, PAGE_SIZE, "%s %08x %08x\n", hdw,
845 vp->rev.smRev, vp->rev.smFwRev);
849 * lpfc_option_rom_version_show - Return the adapter ROM FCode version
850 * @dev: class converted to a Scsi_host structure.
851 * @attr: device attribute, not used.
852 * @buf: on return contains the ROM and FCode ascii strings.
854 * Returns: size of formatted string.
857 lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr,
860 struct Scsi_Host *shost = class_to_shost(dev);
861 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
862 struct lpfc_hba *phba = vport->phba;
863 char fwrev[FW_REV_STR_SIZE];
865 if (phba->sli_rev < LPFC_SLI_REV4)
866 return scnprintf(buf, PAGE_SIZE, "%s\n",
867 phba->OptionROMVersion);
869 lpfc_decode_firmware_rev(phba, fwrev, 1);
870 return scnprintf(buf, PAGE_SIZE, "%s\n", fwrev);
874 * lpfc_state_show - Return the link state of the port
875 * @dev: class converted to a Scsi_host structure.
876 * @attr: device attribute, not used.
877 * @buf: on return contains text describing the state of the link.
880 * The switch statement has no default so zero will be returned.
882 * Returns: size of formatted string.
885 lpfc_link_state_show(struct device *dev, struct device_attribute *attr,
888 struct Scsi_Host *shost = class_to_shost(dev);
889 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
890 struct lpfc_hba *phba = vport->phba;
893 switch (phba->link_state) {
894 case LPFC_LINK_UNKNOWN:
895 case LPFC_WARM_START:
896 case LPFC_INIT_START:
897 case LPFC_INIT_MBX_CMDS:
900 if (phba->hba_flag & LINK_DISABLED)
901 len += scnprintf(buf + len, PAGE_SIZE-len,
902 "Link Down - User disabled\n");
904 len += scnprintf(buf + len, PAGE_SIZE-len,
910 len += scnprintf(buf + len, PAGE_SIZE-len, "Link Up - ");
912 switch (vport->port_state) {
913 case LPFC_LOCAL_CFG_LINK:
914 len += scnprintf(buf + len, PAGE_SIZE-len,
915 "Configuring Link\n");
919 case LPFC_FABRIC_CFG_LINK:
922 case LPFC_BUILD_DISC_LIST:
924 len += scnprintf(buf + len, PAGE_SIZE - len,
927 case LPFC_VPORT_READY:
928 len += scnprintf(buf + len, PAGE_SIZE - len,
932 case LPFC_VPORT_FAILED:
933 len += scnprintf(buf + len, PAGE_SIZE - len,
937 case LPFC_VPORT_UNKNOWN:
938 len += scnprintf(buf + len, PAGE_SIZE - len,
942 if (phba->sli.sli_flag & LPFC_MENLO_MAINT)
943 len += scnprintf(buf + len, PAGE_SIZE-len,
944 " Menlo Maint Mode\n");
945 else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
946 if (vport->fc_flag & FC_PUBLIC_LOOP)
947 len += scnprintf(buf + len, PAGE_SIZE-len,
950 len += scnprintf(buf + len, PAGE_SIZE-len,
953 if (vport->fc_flag & FC_FABRIC)
954 len += scnprintf(buf + len, PAGE_SIZE-len,
957 len += scnprintf(buf + len, PAGE_SIZE-len,
962 if ((phba->sli_rev == LPFC_SLI_REV4) &&
963 ((bf_get(lpfc_sli_intf_if_type,
964 &phba->sli4_hba.sli_intf) ==
965 LPFC_SLI_INTF_IF_TYPE_6))) {
966 struct lpfc_trunk_link link = phba->trunk_link;
968 if (bf_get(lpfc_conf_trunk_port0, &phba->sli4_hba))
969 len += scnprintf(buf + len, PAGE_SIZE - len,
970 "Trunk port 0: Link %s %s\n",
971 (link.link0.state == LPFC_LINK_UP) ?
973 trunk_errmsg[link.link0.fault]);
975 if (bf_get(lpfc_conf_trunk_port1, &phba->sli4_hba))
976 len += scnprintf(buf + len, PAGE_SIZE - len,
977 "Trunk port 1: Link %s %s\n",
978 (link.link1.state == LPFC_LINK_UP) ?
980 trunk_errmsg[link.link1.fault]);
982 if (bf_get(lpfc_conf_trunk_port2, &phba->sli4_hba))
983 len += scnprintf(buf + len, PAGE_SIZE - len,
984 "Trunk port 2: Link %s %s\n",
985 (link.link2.state == LPFC_LINK_UP) ?
987 trunk_errmsg[link.link2.fault]);
989 if (bf_get(lpfc_conf_trunk_port3, &phba->sli4_hba))
990 len += scnprintf(buf + len, PAGE_SIZE - len,
991 "Trunk port 3: Link %s %s\n",
992 (link.link3.state == LPFC_LINK_UP) ?
994 trunk_errmsg[link.link3.fault]);
1002 * lpfc_sli4_protocol_show - Return the fip mode of the HBA
1003 * @dev: class unused variable.
1004 * @attr: device attribute, not used.
1005 * @buf: on return contains the module description text.
1007 * Returns: size of formatted string.
1010 lpfc_sli4_protocol_show(struct device *dev, struct device_attribute *attr,
1013 struct Scsi_Host *shost = class_to_shost(dev);
1014 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1015 struct lpfc_hba *phba = vport->phba;
1017 if (phba->sli_rev < LPFC_SLI_REV4)
1018 return scnprintf(buf, PAGE_SIZE, "fc\n");
1020 if (phba->sli4_hba.lnk_info.lnk_dv == LPFC_LNK_DAT_VAL) {
1021 if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_GE)
1022 return scnprintf(buf, PAGE_SIZE, "fcoe\n");
1023 if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC)
1024 return scnprintf(buf, PAGE_SIZE, "fc\n");
1026 return scnprintf(buf, PAGE_SIZE, "unknown\n");
1030 * lpfc_oas_supported_show - Return whether or not Optimized Access Storage
1031 * (OAS) is supported.
1032 * @dev: class unused variable.
1033 * @attr: device attribute, not used.
1034 * @buf: on return contains the module description text.
1036 * Returns: size of formatted string.
1039 lpfc_oas_supported_show(struct device *dev, struct device_attribute *attr,
1042 struct Scsi_Host *shost = class_to_shost(dev);
1043 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
1044 struct lpfc_hba *phba = vport->phba;
1046 return scnprintf(buf, PAGE_SIZE, "%d\n",
1047 phba->sli4_hba.pc_sli4_params.oas_supported);
1051 * lpfc_link_state_store - Transition the link_state on an HBA port
1052 * @dev: class device that is converted into a Scsi_host.
1053 * @attr: device attribute, not used.
1054 * @buf: one or more lpfc_polling_flags values.
1058 * -EINVAL if the buffer is not "up" or "down"
1059 * return from link state change function if non-zero
1060 * length of the buf on success
1063 lpfc_link_state_store(struct device *dev, struct device_attribute *attr,
1064 const char *buf, size_t count)
1066 struct Scsi_Host *shost = class_to_shost(dev);
1067 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1068 struct lpfc_hba *phba = vport->phba;
1070 int status = -EINVAL;
1072 if ((strncmp(buf, "up", sizeof("up") - 1) == 0) &&
1073 (phba->link_state == LPFC_LINK_DOWN))
1074 status = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
1075 else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) &&
1076 (phba->link_state >= LPFC_LINK_UP))
1077 status = phba->lpfc_hba_down_link(phba, MBX_NOWAIT);
1086 * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports
1087 * @dev: class device that is converted into a Scsi_host.
1088 * @attr: device attribute, not used.
1089 * @buf: on return contains the sum of fc mapped and unmapped.
1092 * Returns the ascii text number of the sum of the fc mapped and unmapped
1095 * Returns: size of formatted string.
1098 lpfc_num_discovered_ports_show(struct device *dev,
1099 struct device_attribute *attr, char *buf)
1101 struct Scsi_Host *shost = class_to_shost(dev);
1102 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1104 return scnprintf(buf, PAGE_SIZE, "%d\n",
1105 vport->fc_map_cnt + vport->fc_unmap_cnt);
1109 * lpfc_issue_lip - Misnomer, name carried over from long ago
1110 * @shost: Scsi_Host pointer.
1113 * Bring the link down gracefully then re-init the link. The firmware will
1114 * re-init the fiber channel interface as required. Does not issue a LIP.
1117 * -EPERM port offline or management commands are being blocked
1118 * -ENOMEM cannot allocate memory for the mailbox command
1119 * -EIO error sending the mailbox command
1123 lpfc_issue_lip(struct Scsi_Host *shost)
1125 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1126 struct lpfc_hba *phba = vport->phba;
1127 LPFC_MBOXQ_t *pmboxq;
1128 int mbxstatus = MBXERR_ERROR;
1131 * If the link is offline, disabled or BLOCK_MGMT_IO
1132 * it doesn't make any sense to allow issue_lip
1134 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
1135 (phba->hba_flag & LINK_DISABLED) ||
1136 (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO))
1139 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
1144 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1145 pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK;
1146 pmboxq->u.mb.mbxOwner = OWN_HOST;
1148 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
1150 if ((mbxstatus == MBX_SUCCESS) &&
1151 (pmboxq->u.mb.mbxStatus == 0 ||
1152 pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) {
1153 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1154 lpfc_init_link(phba, pmboxq, phba->cfg_topology,
1155 phba->cfg_link_speed);
1156 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
1157 phba->fc_ratov * 2);
1158 if ((mbxstatus == MBX_SUCCESS) &&
1159 (pmboxq->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION))
1160 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
1161 "2859 SLI authentication is required "
1162 "for INIT_LINK but has not done yet\n");
1165 lpfc_set_loopback_flag(phba);
1166 if (mbxstatus != MBX_TIMEOUT)
1167 mempool_free(pmboxq, phba->mbox_mem_pool);
1169 if (mbxstatus == MBXERR_ERROR)
1176 lpfc_emptyq_wait(struct lpfc_hba *phba, struct list_head *q, spinlock_t *lock)
1180 spin_lock_irq(lock);
1181 while (!list_empty(q)) {
1182 spin_unlock_irq(lock);
1184 if (cnt++ > 250) { /* 5 secs */
1185 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1187 "Outstanding IO when ",
1188 "bringing Adapter offline\n");
1191 spin_lock_irq(lock);
1193 spin_unlock_irq(lock);
1198 * lpfc_do_offline - Issues a mailbox command to bring the link down
1199 * @phba: lpfc_hba pointer.
1200 * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL.
1203 * Assumes any error from lpfc_do_offline() will be negative.
1204 * Can wait up to 5 seconds for the port ring buffers count
1205 * to reach zero, prints a warning if it is not zero and continues.
1206 * lpfc_workq_post_event() returns a non-zero return code if call fails.
1209 * -EIO error posting the event
1213 lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
1215 struct completion online_compl;
1216 struct lpfc_queue *qp = NULL;
1217 struct lpfc_sli_ring *pring;
1218 struct lpfc_sli *psli;
1223 init_completion(&online_compl);
1224 rc = lpfc_workq_post_event(phba, &status, &online_compl,
1225 LPFC_EVT_OFFLINE_PREP);
1229 wait_for_completion(&online_compl);
1237 * If freeing the queues have already started, don't access them.
1238 * Otherwise set FREE_WAIT to indicate that queues are being used
1239 * to hold the freeing process until we finish.
1241 spin_lock_irq(&phba->hbalock);
1242 if (!(psli->sli_flag & LPFC_QUEUE_FREE_INIT)) {
1243 psli->sli_flag |= LPFC_QUEUE_FREE_WAIT;
1245 spin_unlock_irq(&phba->hbalock);
1248 spin_unlock_irq(&phba->hbalock);
1250 /* Wait a little for things to settle down, but not
1251 * long enough for dev loss timeout to expire.
1253 if (phba->sli_rev != LPFC_SLI_REV4) {
1254 for (i = 0; i < psli->num_rings; i++) {
1255 pring = &psli->sli3_ring[i];
1256 if (!lpfc_emptyq_wait(phba, &pring->txcmplq,
1261 list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) {
1265 if (!lpfc_emptyq_wait(phba, &pring->txcmplq,
1271 spin_lock_irq(&phba->hbalock);
1272 psli->sli_flag &= ~LPFC_QUEUE_FREE_WAIT;
1273 spin_unlock_irq(&phba->hbalock);
1276 init_completion(&online_compl);
1277 rc = lpfc_workq_post_event(phba, &status, &online_compl, type);
1281 wait_for_completion(&online_compl);
1290 * lpfc_reset_pci_bus - resets PCI bridge controller's secondary bus of an HBA
1291 * @phba: lpfc_hba pointer.
1294 * Issues a PCI secondary bus reset for the phba->pcidev.
1297 * First walks the bus_list to ensure only PCI devices with Emulex
1298 * vendor id, device ids that support hot reset, only one occurrence
1299 * of function 0, and all ports on the bus are in offline mode to ensure the
1300 * hot reset only affects one valid HBA.
1303 * -ENOTSUPP, cfg_enable_hba_reset must be of value 2
1304 * -ENODEV, NULL ptr to pcidev
1305 * -EBADSLT, detected invalid device
1306 * -EBUSY, port is not in offline state
1310 lpfc_reset_pci_bus(struct lpfc_hba *phba)
1312 struct pci_dev *pdev = phba->pcidev;
1313 struct Scsi_Host *shost = NULL;
1314 struct lpfc_hba *phba_other = NULL;
1315 struct pci_dev *ptr = NULL;
1318 if (phba->cfg_enable_hba_reset != 2)
1322 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "8345 pdev NULL!\n");
1326 res = lpfc_check_pci_resettable(phba);
1330 /* Walk the list of devices on the pci_dev's bus */
1331 list_for_each_entry(ptr, &pdev->bus->devices, bus_list) {
1332 /* Check port is offline */
1333 shost = pci_get_drvdata(ptr);
1336 ((struct lpfc_vport *)shost->hostdata)->phba;
1337 if (!(phba_other->pport->fc_flag & FC_OFFLINE_MODE)) {
1338 lpfc_printf_log(phba_other, KERN_INFO, LOG_INIT,
1339 "8349 WWPN = 0x%02x%02x%02x%02x"
1340 "%02x%02x%02x%02x is not "
1342 phba_other->wwpn[0],
1343 phba_other->wwpn[1],
1344 phba_other->wwpn[2],
1345 phba_other->wwpn[3],
1346 phba_other->wwpn[4],
1347 phba_other->wwpn[5],
1348 phba_other->wwpn[6],
1349 phba_other->wwpn[7]);
1355 /* Issue PCI bus reset */
1356 res = pci_reset_bus(pdev);
1358 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1359 "8350 PCI reset bus failed: %d\n", res);
1366 * lpfc_selective_reset - Offline then onlines the port
1367 * @phba: lpfc_hba pointer.
1370 * If the port is configured to allow a reset then the hba is brought
1371 * offline then online.
1374 * Assumes any error from lpfc_do_offline() will be negative.
1375 * Do not make this function static.
1378 * lpfc_do_offline() return code if not zero
1379 * -EIO reset not configured or error posting the event
1383 lpfc_selective_reset(struct lpfc_hba *phba)
1385 struct completion online_compl;
1389 if (!phba->cfg_enable_hba_reset)
1392 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE)) {
1393 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
1399 init_completion(&online_compl);
1400 rc = lpfc_workq_post_event(phba, &status, &online_compl,
1405 wait_for_completion(&online_compl);
1414 * lpfc_issue_reset - Selectively resets an adapter
1415 * @dev: class device that is converted into a Scsi_host.
1416 * @attr: device attribute, not used.
1417 * @buf: containing the string "selective".
1418 * @count: unused variable.
1421 * If the buf contains the string "selective" then lpfc_selective_reset()
1422 * is called to perform the reset.
1425 * Assumes any error from lpfc_selective_reset() will be negative.
1426 * If lpfc_selective_reset() returns zero then the length of the buffer
1427 * is returned which indicates success
1430 * -EINVAL if the buffer does not contain the string "selective"
1431 * length of buf if lpfc-selective_reset() if the call succeeds
1432 * return value of lpfc_selective_reset() if the call fails
1435 lpfc_issue_reset(struct device *dev, struct device_attribute *attr,
1436 const char *buf, size_t count)
1438 struct Scsi_Host *shost = class_to_shost(dev);
1439 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1440 struct lpfc_hba *phba = vport->phba;
1441 int status = -EINVAL;
1443 if (!phba->cfg_enable_hba_reset)
1446 if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
1447 status = phba->lpfc_selective_reset(phba);
1456 * lpfc_sli4_pdev_status_reg_wait - Wait for pdev status register for readyness
1457 * @phba: lpfc_hba pointer.
1460 * SLI4 interface type-2 device to wait on the sliport status register for
1461 * the readyness after performing a firmware reset.
1464 * zero for success, -EPERM when port does not have privilege to perform the
1465 * reset, -EIO when port timeout from recovering from the reset.
1468 * As the caller will interpret the return code by value, be careful in making
1469 * change or addition to return codes.
1472 lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *phba)
1474 struct lpfc_register portstat_reg = {0};
1478 if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
1479 &portstat_reg.word0))
1482 /* verify if privileged for the request operation */
1483 if (!bf_get(lpfc_sliport_status_rn, &portstat_reg) &&
1484 !bf_get(lpfc_sliport_status_err, &portstat_reg))
1487 /* wait for the SLI port firmware ready after firmware reset */
1488 for (i = 0; i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT; i++) {
1490 if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
1491 &portstat_reg.word0))
1493 if (!bf_get(lpfc_sliport_status_err, &portstat_reg))
1495 if (!bf_get(lpfc_sliport_status_rn, &portstat_reg))
1497 if (!bf_get(lpfc_sliport_status_rdy, &portstat_reg))
1502 if (i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT)
1509 * lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc
1510 * @phba: lpfc_hba pointer.
1513 * Request SLI4 interface type-2 device to perform a physical register set
1520 lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode)
1522 struct completion online_compl;
1523 struct pci_dev *pdev = phba->pcidev;
1524 uint32_t before_fc_flag;
1525 uint32_t sriov_nr_virtfn;
1527 int status = 0, rc = 0;
1528 int job_posted = 1, sriov_err;
1530 if (!phba->cfg_enable_hba_reset)
1533 if ((phba->sli_rev < LPFC_SLI_REV4) ||
1534 (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
1535 LPFC_SLI_INTF_IF_TYPE_2))
1538 /* Keep state if we need to restore back */
1539 before_fc_flag = phba->pport->fc_flag;
1540 sriov_nr_virtfn = phba->cfg_sriov_nr_virtfn;
1542 /* Disable SR-IOV virtual functions if enabled */
1543 if (phba->cfg_sriov_nr_virtfn) {
1544 pci_disable_sriov(pdev);
1545 phba->cfg_sriov_nr_virtfn = 0;
1548 if (opcode == LPFC_FW_DUMP)
1549 phba->hba_flag |= HBA_FW_DUMP_OP;
1551 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
1554 phba->hba_flag &= ~HBA_FW_DUMP_OP;
1558 /* wait for the device to be quiesced before firmware reset */
1561 reg_val = readl(phba->sli4_hba.conf_regs_memmap_p +
1562 LPFC_CTL_PDEV_CTL_OFFSET);
1564 if (opcode == LPFC_FW_DUMP)
1565 reg_val |= LPFC_FW_DUMP_REQUEST;
1566 else if (opcode == LPFC_FW_RESET)
1567 reg_val |= LPFC_CTL_PDEV_CTL_FRST;
1568 else if (opcode == LPFC_DV_RESET)
1569 reg_val |= LPFC_CTL_PDEV_CTL_DRST;
1571 writel(reg_val, phba->sli4_hba.conf_regs_memmap_p +
1572 LPFC_CTL_PDEV_CTL_OFFSET);
1574 readl(phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET);
1576 /* delay driver action following IF_TYPE_2 reset */
1577 rc = lpfc_sli4_pdev_status_reg_wait(phba);
1580 /* no privilege for reset */
1581 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
1582 "3150 No privilege to perform the requested "
1583 "access: x%x\n", reg_val);
1584 } else if (rc == -EIO) {
1585 /* reset failed, there is nothing more we can do */
1586 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
1587 "3153 Fail to perform the requested "
1588 "access: x%x\n", reg_val);
1592 /* keep the original port state */
1593 if (before_fc_flag & FC_OFFLINE_MODE)
1596 init_completion(&online_compl);
1597 job_posted = lpfc_workq_post_event(phba, &status, &online_compl,
1602 wait_for_completion(&online_compl);
1605 /* in any case, restore the virtual functions enabled as before */
1606 if (sriov_nr_virtfn) {
1608 lpfc_sli_probe_sriov_nr_virtfn(phba, sriov_nr_virtfn);
1610 phba->cfg_sriov_nr_virtfn = sriov_nr_virtfn;
1613 /* return proper error code */
1624 * lpfc_nport_evt_cnt_show - Return the number of nport events
1625 * @dev: class device that is converted into a Scsi_host.
1626 * @attr: device attribute, not used.
1627 * @buf: on return contains the ascii number of nport events.
1629 * Returns: size of formatted string.
1632 lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr,
1635 struct Scsi_Host *shost = class_to_shost(dev);
1636 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1637 struct lpfc_hba *phba = vport->phba;
1639 return scnprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
1643 lpfc_set_trunking(struct lpfc_hba *phba, char *buff_out)
1645 LPFC_MBOXQ_t *mbox = NULL;
1646 unsigned long val = 0;
1650 if (!strncmp("enable", buff_out,
1651 strlen("enable"))) {
1652 pval = buff_out + strlen("enable") + 1;
1653 rc = kstrtoul(pval, 0, &val);
1655 return rc; /* Invalid number */
1656 } else if (!strncmp("disable", buff_out,
1657 strlen("disable"))) {
1660 return -EINVAL; /* Invalid command */
1665 val = 0x0; /* Disable */
1668 val = 0x1; /* Enable two port trunk */
1671 val = 0x2; /* Enable four port trunk */
1677 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1678 "0070 Set trunk mode with val %ld ", val);
1680 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1684 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
1685 LPFC_MBOX_OPCODE_FCOE_FC_SET_TRUNK_MODE,
1686 12, LPFC_SLI4_MBX_EMBED);
1688 bf_set(lpfc_mbx_set_trunk_mode,
1689 &mbox->u.mqe.un.set_trunk_mode,
1691 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
1693 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1694 "0071 Set trunk mode failed with status: %d",
1696 if (rc != MBX_TIMEOUT)
1697 mempool_free(mbox, phba->mbox_mem_pool);
1703 * lpfc_board_mode_show - Return the state of the board
1704 * @dev: class device that is converted into a Scsi_host.
1705 * @attr: device attribute, not used.
1706 * @buf: on return contains the state of the adapter.
1708 * Returns: size of formatted string.
1711 lpfc_board_mode_show(struct device *dev, struct device_attribute *attr,
1714 struct Scsi_Host *shost = class_to_shost(dev);
1715 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1716 struct lpfc_hba *phba = vport->phba;
1719 if (phba->link_state == LPFC_HBA_ERROR)
1721 else if (phba->link_state == LPFC_WARM_START)
1722 state = "warm start";
1723 else if (phba->link_state == LPFC_INIT_START)
1728 return scnprintf(buf, PAGE_SIZE, "%s\n", state);
1732 * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state
1733 * @dev: class device that is converted into a Scsi_host.
1734 * @attr: device attribute, not used.
1735 * @buf: containing one of the strings "online", "offline", "warm" or "error".
1736 * @count: unused variable.
1739 * -EACCES if enable hba reset not enabled
1740 * -EINVAL if the buffer does not contain a valid string (see above)
1741 * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails
1742 * buf length greater than zero indicates success
1745 lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
1746 const char *buf, size_t count)
1748 struct Scsi_Host *shost = class_to_shost(dev);
1749 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1750 struct lpfc_hba *phba = vport->phba;
1751 struct completion online_compl;
1752 char *board_mode_str = NULL;
1756 if (!phba->cfg_enable_hba_reset) {
1758 goto board_mode_out;
1761 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1762 "3050 lpfc_board_mode set to %s\n", buf);
1764 init_completion(&online_compl);
1766 if(strncmp(buf, "online", sizeof("online") - 1) == 0) {
1767 rc = lpfc_workq_post_event(phba, &status, &online_compl,
1771 goto board_mode_out;
1773 wait_for_completion(&online_compl);
1776 } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
1777 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
1778 else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
1779 if (phba->sli_rev == LPFC_SLI_REV4)
1782 status = lpfc_do_offline(phba, LPFC_EVT_WARM_START);
1783 else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
1784 if (phba->sli_rev == LPFC_SLI_REV4)
1787 status = lpfc_do_offline(phba, LPFC_EVT_KILL);
1788 else if (strncmp(buf, "dump", sizeof("dump") - 1) == 0)
1789 status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_DUMP);
1790 else if (strncmp(buf, "fw_reset", sizeof("fw_reset") - 1) == 0)
1791 status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_RESET);
1792 else if (strncmp(buf, "dv_reset", sizeof("dv_reset") - 1) == 0)
1793 status = lpfc_sli4_pdev_reg_request(phba, LPFC_DV_RESET);
1794 else if (strncmp(buf, "pci_bus_reset", sizeof("pci_bus_reset") - 1)
1796 status = lpfc_reset_pci_bus(phba);
1797 else if (strncmp(buf, "trunk", sizeof("trunk") - 1) == 0)
1798 status = lpfc_set_trunking(phba, (char *)buf + sizeof("trunk"));
1806 board_mode_str = strchr(buf, '\n');
1808 *board_mode_str = '\0';
1809 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1810 "3097 Failed \"%s\", status(%d), "
1812 buf, status, phba->pport->fc_flag);
1818 * lpfc_get_hba_info - Return various bits of informaton about the adapter
1819 * @phba: pointer to the adapter structure.
1820 * @mxri: max xri count.
1821 * @axri: available xri count.
1822 * @mrpi: max rpi count.
1823 * @arpi: available rpi count.
1824 * @mvpi: max vpi count.
1825 * @avpi: available vpi count.
1828 * If an integer pointer for an count is not null then the value for the
1829 * count is returned.
1836 lpfc_get_hba_info(struct lpfc_hba *phba,
1837 uint32_t *mxri, uint32_t *axri,
1838 uint32_t *mrpi, uint32_t *arpi,
1839 uint32_t *mvpi, uint32_t *avpi)
1841 struct lpfc_mbx_read_config *rd_config;
1842 LPFC_MBOXQ_t *pmboxq;
1848 * prevent udev from issuing mailbox commands until the port is
1851 if (phba->link_state < LPFC_LINK_DOWN ||
1852 !phba->mbox_mem_pool ||
1853 (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0)
1856 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
1859 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1862 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1864 pmb = &pmboxq->u.mb;
1865 pmb->mbxCommand = MBX_READ_CONFIG;
1866 pmb->mbxOwner = OWN_HOST;
1867 pmboxq->ctx_buf = NULL;
1869 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1870 rc = MBX_NOT_FINISHED;
1872 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1874 if (rc != MBX_SUCCESS) {
1875 if (rc != MBX_TIMEOUT)
1876 mempool_free(pmboxq, phba->mbox_mem_pool);
1880 if (phba->sli_rev == LPFC_SLI_REV4) {
1881 rd_config = &pmboxq->u.mqe.un.rd_config;
1883 *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
1885 *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) -
1886 phba->sli4_hba.max_cfg_param.rpi_used;
1888 *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
1890 *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) -
1891 phba->sli4_hba.max_cfg_param.xri_used;
1893 /* Account for differences with SLI-3. Get vpi count from
1894 * mailbox data and subtract one for max vpi value.
1896 max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ?
1897 (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0;
1899 /* Limit the max we support */
1900 if (max_vpi > LPFC_MAX_VPI)
1901 max_vpi = LPFC_MAX_VPI;
1905 *avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used;
1908 *mrpi = pmb->un.varRdConfig.max_rpi;
1910 *arpi = pmb->un.varRdConfig.avail_rpi;
1912 *mxri = pmb->un.varRdConfig.max_xri;
1914 *axri = pmb->un.varRdConfig.avail_xri;
1916 *mvpi = pmb->un.varRdConfig.max_vpi;
1918 /* avail_vpi is only valid if link is up and ready */
1919 if (phba->link_state == LPFC_HBA_READY)
1920 *avpi = pmb->un.varRdConfig.avail_vpi;
1922 *avpi = pmb->un.varRdConfig.max_vpi;
1926 mempool_free(pmboxq, phba->mbox_mem_pool);
1931 * lpfc_max_rpi_show - Return maximum rpi
1932 * @dev: class device that is converted into a Scsi_host.
1933 * @attr: device attribute, not used.
1934 * @buf: on return contains the maximum rpi count in decimal or "Unknown".
1937 * Calls lpfc_get_hba_info() asking for just the mrpi count.
1938 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1939 * to "Unknown" and the buffer length is returned, therefore the caller
1940 * must check for "Unknown" in the buffer to detect a failure.
1942 * Returns: size of formatted string.
1945 lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr,
1948 struct Scsi_Host *shost = class_to_shost(dev);
1949 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1950 struct lpfc_hba *phba = vport->phba;
1953 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL))
1954 return scnprintf(buf, PAGE_SIZE, "%d\n", cnt);
1955 return scnprintf(buf, PAGE_SIZE, "Unknown\n");
1959 * lpfc_used_rpi_show - Return maximum rpi minus available rpi
1960 * @dev: class device that is converted into a Scsi_host.
1961 * @attr: device attribute, not used.
1962 * @buf: containing the used rpi count in decimal or "Unknown".
1965 * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts.
1966 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1967 * to "Unknown" and the buffer length is returned, therefore the caller
1968 * must check for "Unknown" in the buffer to detect a failure.
1970 * Returns: size of formatted string.
1973 lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr,
1976 struct Scsi_Host *shost = class_to_shost(dev);
1977 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1978 struct lpfc_hba *phba = vport->phba;
1981 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL))
1982 return scnprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
1983 return scnprintf(buf, PAGE_SIZE, "Unknown\n");
1987 * lpfc_max_xri_show - Return maximum xri
1988 * @dev: class device that is converted into a Scsi_host.
1989 * @attr: device attribute, not used.
1990 * @buf: on return contains the maximum xri count in decimal or "Unknown".
1993 * Calls lpfc_get_hba_info() asking for just the mrpi count.
1994 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1995 * to "Unknown" and the buffer length is returned, therefore the caller
1996 * must check for "Unknown" in the buffer to detect a failure.
1998 * Returns: size of formatted string.
2001 lpfc_max_xri_show(struct device *dev, struct device_attribute *attr,
2004 struct Scsi_Host *shost = class_to_shost(dev);
2005 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2006 struct lpfc_hba *phba = vport->phba;
2009 if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL))
2010 return scnprintf(buf, PAGE_SIZE, "%d\n", cnt);
2011 return scnprintf(buf, PAGE_SIZE, "Unknown\n");
2015 * lpfc_used_xri_show - Return maximum xpi minus the available xpi
2016 * @dev: class device that is converted into a Scsi_host.
2017 * @attr: device attribute, not used.
2018 * @buf: on return contains the used xri count in decimal or "Unknown".
2021 * Calls lpfc_get_hba_info() asking for just the mxri and axri counts.
2022 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
2023 * to "Unknown" and the buffer length is returned, therefore the caller
2024 * must check for "Unknown" in the buffer to detect a failure.
2026 * Returns: size of formatted string.
2029 lpfc_used_xri_show(struct device *dev, struct device_attribute *attr,
2032 struct Scsi_Host *shost = class_to_shost(dev);
2033 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2034 struct lpfc_hba *phba = vport->phba;
2037 if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL))
2038 return scnprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
2039 return scnprintf(buf, PAGE_SIZE, "Unknown\n");
2043 * lpfc_max_vpi_show - Return maximum vpi
2044 * @dev: class device that is converted into a Scsi_host.
2045 * @attr: device attribute, not used.
2046 * @buf: on return contains the maximum vpi count in decimal or "Unknown".
2049 * Calls lpfc_get_hba_info() asking for just the mvpi count.
2050 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
2051 * to "Unknown" and the buffer length is returned, therefore the caller
2052 * must check for "Unknown" in the buffer to detect a failure.
2054 * Returns: size of formatted string.
2057 lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr,
2060 struct Scsi_Host *shost = class_to_shost(dev);
2061 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2062 struct lpfc_hba *phba = vport->phba;
2065 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL))
2066 return scnprintf(buf, PAGE_SIZE, "%d\n", cnt);
2067 return scnprintf(buf, PAGE_SIZE, "Unknown\n");
2071 * lpfc_used_vpi_show - Return maximum vpi minus the available vpi
2072 * @dev: class device that is converted into a Scsi_host.
2073 * @attr: device attribute, not used.
2074 * @buf: on return contains the used vpi count in decimal or "Unknown".
2077 * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts.
2078 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
2079 * to "Unknown" and the buffer length is returned, therefore the caller
2080 * must check for "Unknown" in the buffer to detect a failure.
2082 * Returns: size of formatted string.
2085 lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr,
2088 struct Scsi_Host *shost = class_to_shost(dev);
2089 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2090 struct lpfc_hba *phba = vport->phba;
2093 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt))
2094 return scnprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
2095 return scnprintf(buf, PAGE_SIZE, "Unknown\n");
2099 * lpfc_npiv_info_show - Return text about NPIV support for the adapter
2100 * @dev: class device that is converted into a Scsi_host.
2101 * @attr: device attribute, not used.
2102 * @buf: text that must be interpreted to determine if npiv is supported.
2105 * Buffer will contain text indicating npiv is not suppoerted on the port,
2106 * the port is an NPIV physical port, or it is an npiv virtual port with
2107 * the id of the vport.
2109 * Returns: size of formatted string.
2112 lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr,
2115 struct Scsi_Host *shost = class_to_shost(dev);
2116 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2117 struct lpfc_hba *phba = vport->phba;
2119 if (!(phba->max_vpi))
2120 return scnprintf(buf, PAGE_SIZE, "NPIV Not Supported\n");
2121 if (vport->port_type == LPFC_PHYSICAL_PORT)
2122 return scnprintf(buf, PAGE_SIZE, "NPIV Physical\n");
2123 return scnprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi);
2127 * lpfc_poll_show - Return text about poll support for the adapter
2128 * @dev: class device that is converted into a Scsi_host.
2129 * @attr: device attribute, not used.
2130 * @buf: on return contains the cfg_poll in hex.
2133 * cfg_poll should be a lpfc_polling_flags type.
2135 * Returns: size of formatted string.
2138 lpfc_poll_show(struct device *dev, struct device_attribute *attr,
2141 struct Scsi_Host *shost = class_to_shost(dev);
2142 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2143 struct lpfc_hba *phba = vport->phba;
2145 return scnprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
2149 * lpfc_poll_store - Set the value of cfg_poll for the adapter
2150 * @dev: class device that is converted into a Scsi_host.
2151 * @attr: device attribute, not used.
2152 * @buf: one or more lpfc_polling_flags values.
2156 * buf contents converted to integer and checked for a valid value.
2159 * -EINVAL if the buffer connot be converted or is out of range
2160 * length of the buf on success
2163 lpfc_poll_store(struct device *dev, struct device_attribute *attr,
2164 const char *buf, size_t count)
2166 struct Scsi_Host *shost = class_to_shost(dev);
2167 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2168 struct lpfc_hba *phba = vport->phba;
2173 if (!isdigit(buf[0]))
2176 if (sscanf(buf, "%i", &val) != 1)
2179 if ((val & 0x3) != val)
2182 if (phba->sli_rev == LPFC_SLI_REV4)
2185 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
2186 "3051 lpfc_poll changed from %d to %d\n",
2187 phba->cfg_poll, val);
2189 spin_lock_irq(&phba->hbalock);
2191 old_val = phba->cfg_poll;
2193 if (val & ENABLE_FCP_RING_POLLING) {
2194 if ((val & DISABLE_FCP_RING_INT) &&
2195 !(old_val & DISABLE_FCP_RING_INT)) {
2196 if (lpfc_readl(phba->HCregaddr, &creg_val)) {
2197 spin_unlock_irq(&phba->hbalock);
2200 creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
2201 writel(creg_val, phba->HCregaddr);
2202 readl(phba->HCregaddr); /* flush */
2204 lpfc_poll_start_timer(phba);
2206 } else if (val != 0x0) {
2207 spin_unlock_irq(&phba->hbalock);
2211 if (!(val & DISABLE_FCP_RING_INT) &&
2212 (old_val & DISABLE_FCP_RING_INT))
2214 spin_unlock_irq(&phba->hbalock);
2215 del_timer(&phba->fcp_poll_timer);
2216 spin_lock_irq(&phba->hbalock);
2217 if (lpfc_readl(phba->HCregaddr, &creg_val)) {
2218 spin_unlock_irq(&phba->hbalock);
2221 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
2222 writel(creg_val, phba->HCregaddr);
2223 readl(phba->HCregaddr); /* flush */
2226 phba->cfg_poll = val;
2228 spin_unlock_irq(&phba->hbalock);
2234 * lpfc_fips_level_show - Return the current FIPS level for the HBA
2235 * @dev: class unused variable.
2236 * @attr: device attribute, not used.
2237 * @buf: on return contains the module description text.
2239 * Returns: size of formatted string.
2242 lpfc_fips_level_show(struct device *dev, struct device_attribute *attr,
2245 struct Scsi_Host *shost = class_to_shost(dev);
2246 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2247 struct lpfc_hba *phba = vport->phba;
2249 return scnprintf(buf, PAGE_SIZE, "%d\n", phba->fips_level);
2253 * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA
2254 * @dev: class unused variable.
2255 * @attr: device attribute, not used.
2256 * @buf: on return contains the module description text.
2258 * Returns: size of formatted string.
2261 lpfc_fips_rev_show(struct device *dev, struct device_attribute *attr,
2264 struct Scsi_Host *shost = class_to_shost(dev);
2265 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2266 struct lpfc_hba *phba = vport->phba;
2268 return scnprintf(buf, PAGE_SIZE, "%d\n", phba->fips_spec_rev);
2272 * lpfc_dss_show - Return the current state of dss and the configured state
2273 * @dev: class converted to a Scsi_host structure.
2274 * @attr: device attribute, not used.
2275 * @buf: on return contains the formatted text.
2277 * Returns: size of formatted string.
2280 lpfc_dss_show(struct device *dev, struct device_attribute *attr,
2283 struct Scsi_Host *shost = class_to_shost(dev);
2284 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2285 struct lpfc_hba *phba = vport->phba;
2287 return scnprintf(buf, PAGE_SIZE, "%s - %sOperational\n",
2288 (phba->cfg_enable_dss) ? "Enabled" : "Disabled",
2289 (phba->sli3_options & LPFC_SLI3_DSS_ENABLED) ?
2294 * lpfc_sriov_hw_max_virtfn_show - Return maximum number of virtual functions
2295 * @dev: class converted to a Scsi_host structure.
2296 * @attr: device attribute, not used.
2297 * @buf: on return contains the formatted support level.
2300 * Returns the maximum number of virtual functions a physical function can
2301 * support, 0 will be returned if called on virtual function.
2303 * Returns: size of formatted string.
2306 lpfc_sriov_hw_max_virtfn_show(struct device *dev,
2307 struct device_attribute *attr,
2310 struct Scsi_Host *shost = class_to_shost(dev);
2311 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2312 struct lpfc_hba *phba = vport->phba;
2313 uint16_t max_nr_virtfn;
2315 max_nr_virtfn = lpfc_sli_sriov_nr_virtfn_get(phba);
2316 return scnprintf(buf, PAGE_SIZE, "%d\n", max_nr_virtfn);
2319 static inline bool lpfc_rangecheck(uint val, uint min, uint max)
2321 return val >= min && val <= max;
2325 * lpfc_enable_bbcr_set: Sets an attribute value.
2326 * @phba: pointer the the adapter structure.
2327 * @val: integer attribute value.
2330 * Validates the min and max values then sets the
2331 * adapter config field if in the valid range. prints error message
2332 * and does not set the parameter if invalid.
2336 * -EINVAL if val is invalid
2339 lpfc_enable_bbcr_set(struct lpfc_hba *phba, uint val)
2341 if (lpfc_rangecheck(val, 0, 1) && phba->sli_rev == LPFC_SLI_REV4) {
2342 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2343 "3068 %s_enable_bbcr changed from %d to %d\n",
2344 LPFC_DRIVER_NAME, phba->cfg_enable_bbcr, val);
2345 phba->cfg_enable_bbcr = val;
2348 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2349 "0451 %s_enable_bbcr cannot set to %d, range is 0, 1\n",
2350 LPFC_DRIVER_NAME, val);
2355 * lpfc_param_show - Return a cfg attribute value in decimal
2358 * Macro that given an attr e.g. hba_queue_depth expands
2359 * into a function with the name lpfc_hba_queue_depth_show.
2361 * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field.
2362 * @dev: class device that is converted into a Scsi_host.
2363 * @attr: device attribute, not used.
2364 * @buf: on return contains the attribute value in decimal.
2366 * Returns: size of formatted string.
2368 #define lpfc_param_show(attr) \
2370 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
2373 struct Scsi_Host *shost = class_to_shost(dev);\
2374 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2375 struct lpfc_hba *phba = vport->phba;\
2376 return scnprintf(buf, PAGE_SIZE, "%d\n",\
2381 * lpfc_param_hex_show - Return a cfg attribute value in hex
2384 * Macro that given an attr e.g. hba_queue_depth expands
2385 * into a function with the name lpfc_hba_queue_depth_show
2387 * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field.
2388 * @dev: class device that is converted into a Scsi_host.
2389 * @attr: device attribute, not used.
2390 * @buf: on return contains the attribute value in hexadecimal.
2392 * Returns: size of formatted string.
2394 #define lpfc_param_hex_show(attr) \
2396 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
2399 struct Scsi_Host *shost = class_to_shost(dev);\
2400 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2401 struct lpfc_hba *phba = vport->phba;\
2403 val = phba->cfg_##attr;\
2404 return scnprintf(buf, PAGE_SIZE, "%#x\n",\
2409 * lpfc_param_init - Initializes a cfg attribute
2412 * Macro that given an attr e.g. hba_queue_depth expands
2413 * into a function with the name lpfc_hba_queue_depth_init. The macro also
2414 * takes a default argument, a minimum and maximum argument.
2416 * lpfc_##attr##_init: Initializes an attribute.
2417 * @phba: pointer the the adapter structure.
2418 * @val: integer attribute value.
2420 * Validates the min and max values then sets the adapter config field
2421 * accordingly, or uses the default if out of range and prints an error message.
2425 * -EINVAL if default used
2427 #define lpfc_param_init(attr, default, minval, maxval) \
2429 lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \
2431 if (lpfc_rangecheck(val, minval, maxval)) {\
2432 phba->cfg_##attr = val;\
2435 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
2436 "0449 lpfc_"#attr" attribute cannot be set to %d, "\
2437 "allowed range is ["#minval", "#maxval"]\n", val); \
2438 phba->cfg_##attr = default;\
2443 * lpfc_param_set - Set a cfg attribute value
2446 * Macro that given an attr e.g. hba_queue_depth expands
2447 * into a function with the name lpfc_hba_queue_depth_set
2449 * lpfc_##attr##_set: Sets an attribute value.
2450 * @phba: pointer the the adapter structure.
2451 * @val: integer attribute value.
2454 * Validates the min and max values then sets the
2455 * adapter config field if in the valid range. prints error message
2456 * and does not set the parameter if invalid.
2460 * -EINVAL if val is invalid
2462 #define lpfc_param_set(attr, default, minval, maxval) \
2464 lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \
2466 if (lpfc_rangecheck(val, minval, maxval)) {\
2467 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
2468 "3052 lpfc_" #attr " changed from %d to %d\n", \
2469 phba->cfg_##attr, val); \
2470 phba->cfg_##attr = val;\
2473 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
2474 "0450 lpfc_"#attr" attribute cannot be set to %d, "\
2475 "allowed range is ["#minval", "#maxval"]\n", val); \
2480 * lpfc_param_store - Set a vport attribute value
2483 * Macro that given an attr e.g. hba_queue_depth expands
2484 * into a function with the name lpfc_hba_queue_depth_store.
2486 * lpfc_##attr##_store: Set an sttribute value.
2487 * @dev: class device that is converted into a Scsi_host.
2488 * @attr: device attribute, not used.
2489 * @buf: contains the attribute value in ascii.
2493 * Convert the ascii text number to an integer, then
2494 * use the lpfc_##attr##_set function to set the value.
2497 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
2498 * length of buffer upon success.
2500 #define lpfc_param_store(attr) \
2502 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
2503 const char *buf, size_t count) \
2505 struct Scsi_Host *shost = class_to_shost(dev);\
2506 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2507 struct lpfc_hba *phba = vport->phba;\
2509 if (!isdigit(buf[0]))\
2511 if (sscanf(buf, "%i", &val) != 1)\
2513 if (lpfc_##attr##_set(phba, val) == 0) \
2514 return strlen(buf);\
2520 * lpfc_vport_param_show - Return decimal formatted cfg attribute value
2523 * Macro that given an attr e.g. hba_queue_depth expands
2524 * into a function with the name lpfc_hba_queue_depth_show
2526 * lpfc_##attr##_show: prints the attribute value in decimal.
2527 * @dev: class device that is converted into a Scsi_host.
2528 * @attr: device attribute, not used.
2529 * @buf: on return contains the attribute value in decimal.
2531 * Returns: length of formatted string.
2533 #define lpfc_vport_param_show(attr) \
2535 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
2538 struct Scsi_Host *shost = class_to_shost(dev);\
2539 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2540 return scnprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
2544 * lpfc_vport_param_hex_show - Return hex formatted attribute value
2547 * Macro that given an attr e.g.
2548 * hba_queue_depth expands into a function with the name
2549 * lpfc_hba_queue_depth_show
2551 * lpfc_##attr##_show: prints the attribute value in hexadecimal.
2552 * @dev: class device that is converted into a Scsi_host.
2553 * @attr: device attribute, not used.
2554 * @buf: on return contains the attribute value in hexadecimal.
2556 * Returns: length of formatted string.
2558 #define lpfc_vport_param_hex_show(attr) \
2560 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
2563 struct Scsi_Host *shost = class_to_shost(dev);\
2564 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2565 return scnprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
2569 * lpfc_vport_param_init - Initialize a vport cfg attribute
2572 * Macro that given an attr e.g. hba_queue_depth expands
2573 * into a function with the name lpfc_hba_queue_depth_init. The macro also
2574 * takes a default argument, a minimum and maximum argument.
2576 * lpfc_##attr##_init: validates the min and max values then sets the
2577 * adapter config field accordingly, or uses the default if out of range
2578 * and prints an error message.
2579 * @phba: pointer the the adapter structure.
2580 * @val: integer attribute value.
2584 * -EINVAL if default used
2586 #define lpfc_vport_param_init(attr, default, minval, maxval) \
2588 lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \
2590 if (lpfc_rangecheck(val, minval, maxval)) {\
2591 vport->cfg_##attr = val;\
2594 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
2595 "0423 lpfc_"#attr" attribute cannot be set to %d, "\
2596 "allowed range is ["#minval", "#maxval"]\n", val); \
2597 vport->cfg_##attr = default;\
2602 * lpfc_vport_param_set - Set a vport cfg attribute
2605 * Macro that given an attr e.g. hba_queue_depth expands
2606 * into a function with the name lpfc_hba_queue_depth_set
2608 * lpfc_##attr##_set: validates the min and max values then sets the
2609 * adapter config field if in the valid range. prints error message
2610 * and does not set the parameter if invalid.
2611 * @phba: pointer the the adapter structure.
2612 * @val: integer attribute value.
2616 * -EINVAL if val is invalid
2618 #define lpfc_vport_param_set(attr, default, minval, maxval) \
2620 lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \
2622 if (lpfc_rangecheck(val, minval, maxval)) {\
2623 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
2624 "3053 lpfc_" #attr \
2625 " changed from %d (x%x) to %d (x%x)\n", \
2626 vport->cfg_##attr, vport->cfg_##attr, \
2628 vport->cfg_##attr = val;\
2631 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
2632 "0424 lpfc_"#attr" attribute cannot be set to %d, "\
2633 "allowed range is ["#minval", "#maxval"]\n", val); \
2638 * lpfc_vport_param_store - Set a vport attribute
2641 * Macro that given an attr e.g. hba_queue_depth
2642 * expands into a function with the name lpfc_hba_queue_depth_store
2644 * lpfc_##attr##_store: convert the ascii text number to an integer, then
2645 * use the lpfc_##attr##_set function to set the value.
2646 * @cdev: class device that is converted into a Scsi_host.
2647 * @buf: contains the attribute value in decimal.
2651 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
2652 * length of buffer upon success.
2654 #define lpfc_vport_param_store(attr) \
2656 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
2657 const char *buf, size_t count) \
2659 struct Scsi_Host *shost = class_to_shost(dev);\
2660 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
2662 if (!isdigit(buf[0]))\
2664 if (sscanf(buf, "%i", &val) != 1)\
2666 if (lpfc_##attr##_set(vport, val) == 0) \
2667 return strlen(buf);\
2673 static DEVICE_ATTR(nvme_info, 0444, lpfc_nvme_info_show, NULL);
2674 static DEVICE_ATTR(scsi_stat, 0444, lpfc_scsi_stat_show, NULL);
2675 static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL);
2676 static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL);
2677 static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL);
2678 static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL);
2679 static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
2680 static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
2681 static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
2682 static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
2683 static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
2684 static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL);
2685 static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
2686 static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
2687 static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show,
2688 lpfc_link_state_store);
2689 static DEVICE_ATTR(option_rom_version, S_IRUGO,
2690 lpfc_option_rom_version_show, NULL);
2691 static DEVICE_ATTR(num_discovered_ports, S_IRUGO,
2692 lpfc_num_discovered_ports_show, NULL);
2693 static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL);
2694 static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
2695 static DEVICE_ATTR_RO(lpfc_drvr_version);
2696 static DEVICE_ATTR_RO(lpfc_enable_fip);
2697 static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
2698 lpfc_board_mode_show, lpfc_board_mode_store);
2699 static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
2700 static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL);
2701 static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL);
2702 static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL);
2703 static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL);
2704 static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
2705 static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
2706 static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);
2707 static DEVICE_ATTR_RO(lpfc_temp_sensor);
2708 static DEVICE_ATTR_RO(lpfc_fips_level);
2709 static DEVICE_ATTR_RO(lpfc_fips_rev);
2710 static DEVICE_ATTR_RO(lpfc_dss);
2711 static DEVICE_ATTR_RO(lpfc_sriov_hw_max_virtfn);
2712 static DEVICE_ATTR(protocol, S_IRUGO, lpfc_sli4_protocol_show, NULL);
2713 static DEVICE_ATTR(lpfc_xlane_supported, S_IRUGO, lpfc_oas_supported_show,
2716 static char *lpfc_soft_wwn_key = "C99G71SL8032A";
2719 * lpfc_wwn_set - Convert string to the 8 byte WWN value.
2721 * @cnt: Length of string.
2722 * @wwn: Array to receive converted wwn value.
2725 * -EINVAL if the buffer does not contain a valid wwn
2729 lpfc_wwn_set(const char *buf, size_t cnt, char wwn[])
2733 /* Count may include a LF at end of string */
2734 if (buf[cnt-1] == '\n')
2737 if ((cnt < 16) || (cnt > 18) || ((cnt == 17) && (*buf++ != 'x')) ||
2738 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
2741 memset(wwn, 0, WWN_SZ);
2743 /* Validate and store the new name */
2744 for (i = 0, j = 0; i < 16; i++) {
2745 if ((*buf >= 'a') && (*buf <= 'f'))
2746 j = ((j << 4) | ((*buf++ - 'a') + 10));
2747 else if ((*buf >= 'A') && (*buf <= 'F'))
2748 j = ((j << 4) | ((*buf++ - 'A') + 10));
2749 else if ((*buf >= '0') && (*buf <= '9'))
2750 j = ((j << 4) | (*buf++ - '0'));
2754 wwn[i/2] = j & 0xff;
2761 * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid
2762 * @dev: class device that is converted into a Scsi_host.
2763 * @attr: device attribute, not used.
2764 * @buf: containing the string lpfc_soft_wwn_key.
2765 * @count: must be size of lpfc_soft_wwn_key.
2768 * -EINVAL if the buffer does not contain lpfc_soft_wwn_key
2769 * length of buf indicates success
2772 lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr,
2773 const char *buf, size_t count)
2775 struct Scsi_Host *shost = class_to_shost(dev);
2776 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2777 struct lpfc_hba *phba = vport->phba;
2778 unsigned int cnt = count;
2779 uint8_t vvvl = vport->fc_sparam.cmn.valid_vendor_ver_level;
2780 u32 *fawwpn_key = (uint32_t *)&vport->fc_sparam.un.vendorVersion[0];
2783 * We're doing a simple sanity check for soft_wwpn setting.
2784 * We require that the user write a specific key to enable
2785 * the soft_wwpn attribute to be settable. Once the attribute
2786 * is written, the enable key resets. If further updates are
2787 * desired, the key must be written again to re-enable the
2790 * The "key" is not secret - it is a hardcoded string shown
2791 * here. The intent is to protect against the random user or
2792 * application that is just writing attributes.
2794 if (vvvl == 1 && cpu_to_be32(*fawwpn_key) == FAPWWN_KEY_VENDOR) {
2795 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2796 "0051 "LPFC_DRIVER_NAME" soft wwpn can not"
2797 " be enabled: fawwpn is enabled\n");
2801 /* count may include a LF at end of string */
2802 if (buf[cnt-1] == '\n')
2805 if ((cnt != strlen(lpfc_soft_wwn_key)) ||
2806 (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0))
2809 phba->soft_wwn_enable = 1;
2811 dev_printk(KERN_WARNING, &phba->pcidev->dev,
2812 "lpfc%d: soft_wwpn assignment has been enabled.\n",
2814 dev_printk(KERN_WARNING, &phba->pcidev->dev,
2815 " The soft_wwpn feature is not supported by Broadcom.");
2819 static DEVICE_ATTR_WO(lpfc_soft_wwn_enable);
2822 * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter
2823 * @dev: class device that is converted into a Scsi_host.
2824 * @attr: device attribute, not used.
2825 * @buf: on return contains the wwpn in hexadecimal.
2827 * Returns: size of formatted string.
2830 lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr,
2833 struct Scsi_Host *shost = class_to_shost(dev);
2834 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2835 struct lpfc_hba *phba = vport->phba;
2837 return scnprintf(buf, PAGE_SIZE, "0x%llx\n",
2838 (unsigned long long)phba->cfg_soft_wwpn);
2842 * lpfc_soft_wwpn_store - Set the ww port name of the adapter
2843 * @dev class device that is converted into a Scsi_host.
2844 * @attr: device attribute, not used.
2845 * @buf: contains the wwpn in hexadecimal.
2846 * @count: number of wwpn bytes in buf
2849 * -EACCES hba reset not enabled, adapter over temp
2850 * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid
2851 * -EIO error taking adapter offline or online
2852 * value of count on success
2855 lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr,
2856 const char *buf, size_t count)
2858 struct Scsi_Host *shost = class_to_shost(dev);
2859 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2860 struct lpfc_hba *phba = vport->phba;
2861 struct completion online_compl;
2862 int stat1 = 0, stat2 = 0;
2863 unsigned int cnt = count;
2867 if (!phba->cfg_enable_hba_reset)
2869 spin_lock_irq(&phba->hbalock);
2870 if (phba->over_temp_state == HBA_OVER_TEMP) {
2871 spin_unlock_irq(&phba->hbalock);
2874 spin_unlock_irq(&phba->hbalock);
2875 /* count may include a LF at end of string */
2876 if (buf[cnt-1] == '\n')
2879 if (!phba->soft_wwn_enable)
2882 /* lock setting wwpn, wwnn down */
2883 phba->soft_wwn_enable = 0;
2885 rc = lpfc_wwn_set(buf, cnt, wwpn);
2887 /* not able to set wwpn, unlock it */
2888 phba->soft_wwn_enable = 1;
2892 phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
2893 fc_host_port_name(shost) = phba->cfg_soft_wwpn;
2894 if (phba->cfg_soft_wwnn)
2895 fc_host_node_name(shost) = phba->cfg_soft_wwnn;
2897 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
2898 "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
2900 stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
2902 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2903 "0463 lpfc_soft_wwpn attribute set failed to "
2904 "reinit adapter - %d\n", stat1);
2905 init_completion(&online_compl);
2906 rc = lpfc_workq_post_event(phba, &stat2, &online_compl,
2911 wait_for_completion(&online_compl);
2913 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2914 "0464 lpfc_soft_wwpn attribute set failed to "
2915 "reinit adapter - %d\n", stat2);
2916 return (stat1 || stat2) ? -EIO : count;
2918 static DEVICE_ATTR_RW(lpfc_soft_wwpn);
2921 * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter
2922 * @dev: class device that is converted into a Scsi_host.
2923 * @attr: device attribute, not used.
2924 * @buf: on return contains the wwnn in hexadecimal.
2926 * Returns: size of formatted string.
2929 lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr,
2932 struct Scsi_Host *shost = class_to_shost(dev);
2933 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2934 return scnprintf(buf, PAGE_SIZE, "0x%llx\n",
2935 (unsigned long long)phba->cfg_soft_wwnn);
2939 * lpfc_soft_wwnn_store - sets the ww node name of the adapter
2940 * @cdev: class device that is converted into a Scsi_host.
2941 * @buf: contains the ww node name in hexadecimal.
2942 * @count: number of wwnn bytes in buf.
2945 * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid
2946 * value of count on success
2949 lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr,
2950 const char *buf, size_t count)
2952 struct Scsi_Host *shost = class_to_shost(dev);
2953 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2954 unsigned int cnt = count;
2958 /* count may include a LF at end of string */
2959 if (buf[cnt-1] == '\n')
2962 if (!phba->soft_wwn_enable)
2965 rc = lpfc_wwn_set(buf, cnt, wwnn);
2967 /* Allow wwnn to be set many times, as long as the enable
2968 * is set. However, once the wwpn is set, everything locks.
2973 phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
2975 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
2976 "lpfc%d: soft_wwnn set. Value will take effect upon "
2977 "setting of the soft_wwpn\n", phba->brd_no);
2981 static DEVICE_ATTR_RW(lpfc_soft_wwnn);
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 * @ndlp: pointer to fcp target node.
3277 * @lun: the fc lun for setting oas state.
3278 * @oas_state: the oas state to be set to the lun.
3282 * -EPERM OAS is not enabled or not supported by this port.
3286 lpfc_oas_lun_state_set(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
3287 uint8_t tgt_wwpn[], uint64_t lun,
3288 uint32_t oas_state, uint8_t pri)
3297 if (!lpfc_enable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn,
3298 (struct lpfc_name *)tgt_wwpn,
3302 lpfc_disable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn,
3303 (struct lpfc_name *)tgt_wwpn, lun, pri);
3310 * lpfc_oas_lun_get_next - get the next lun that has been enabled for Optimized
3311 * Access Storage (OAS) operations.
3312 * @phba: lpfc_hba pointer.
3313 * @vpt_wwpn: wwpn of the vport associated with the returned lun
3314 * @tgt_wwpn: wwpn of the target associated with the returned lun
3315 * @lun_status: status of the lun returned lun
3317 * Returns the first or next lun enabled for OAS operations for the vport/target
3318 * specified. If a lun is found, its vport wwpn, target wwpn and status is
3319 * returned. If the lun is not found, NOT_OAS_ENABLED_LUN is returned.
3322 * lun that is OAS enabled for the vport/target
3323 * NOT_OAS_ENABLED_LUN when no oas enabled lun found.
3326 lpfc_oas_lun_get_next(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
3327 uint8_t tgt_wwpn[], uint32_t *lun_status,
3332 if (unlikely(!phba) || !vpt_wwpn || !tgt_wwpn)
3333 return NOT_OAS_ENABLED_LUN;
3334 if (lpfc_find_next_oas_lun(phba, (struct lpfc_name *)
3335 phba->sli4_hba.oas_next_vpt_wwpn,
3336 (struct lpfc_name *)
3337 phba->sli4_hba.oas_next_tgt_wwpn,
3338 &phba->sli4_hba.oas_next_lun,
3339 (struct lpfc_name *)vpt_wwpn,
3340 (struct lpfc_name *)tgt_wwpn,
3341 &found_lun, lun_status, lun_pri))
3344 return NOT_OAS_ENABLED_LUN;
3348 * lpfc_oas_lun_state_change - enable/disable a lun for OAS operations
3349 * @phba: lpfc_hba pointer.
3350 * @vpt_wwpn: vport wwpn by reference.
3351 * @tgt_wwpn: target wwpn by reference.
3352 * @lun: the fc lun for setting oas state.
3353 * @oas_state: the oas state to be set to the oas_lun.
3355 * This routine enables (OAS_LUN_ENABLE) or disables (OAS_LUN_DISABLE)
3356 * a lun for OAS operations.
3360 * -ENOMEM: failed to enable an lun for OAS operations
3361 * -EPERM: OAS is not enabled
3364 lpfc_oas_lun_state_change(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
3365 uint8_t tgt_wwpn[], uint64_t lun,
3366 uint32_t oas_state, uint8_t pri)
3371 rc = lpfc_oas_lun_state_set(phba, vpt_wwpn, tgt_wwpn, lun,
3377 * lpfc_oas_lun_show - Return oas enabled luns from a chosen target
3378 * @dev: class device that is converted into a Scsi_host.
3379 * @attr: device attribute, not used.
3380 * @buf: buffer for passing information.
3382 * This routine returns a lun enabled for OAS each time the function
3386 * SUCCESS: size of formatted string.
3387 * -EFAULT: target or vport wwpn was not set properly.
3388 * -EPERM: oas is not enabled.
3391 lpfc_oas_lun_show(struct device *dev, struct device_attribute *attr,
3394 struct Scsi_Host *shost = class_to_shost(dev);
3395 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3403 if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0)
3404 if (!(phba->cfg_oas_flags & OAS_FIND_ANY_VPORT))
3407 if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0)
3408 if (!(phba->cfg_oas_flags & OAS_FIND_ANY_TARGET))
3411 oas_lun = lpfc_oas_lun_get_next(phba, phba->cfg_oas_vpt_wwpn,
3412 phba->cfg_oas_tgt_wwpn,
3413 &phba->cfg_oas_lun_status,
3414 &phba->cfg_oas_priority);
3415 if (oas_lun != NOT_OAS_ENABLED_LUN)
3416 phba->cfg_oas_flags |= OAS_LUN_VALID;
3418 len += scnprintf(buf + len, PAGE_SIZE-len, "0x%llx", oas_lun);
3424 * lpfc_oas_lun_store - Sets the OAS state for lun
3425 * @dev: class device that is converted into a Scsi_host.
3426 * @attr: device attribute, not used.
3427 * @buf: buffer for passing information.
3429 * This function sets the OAS state for lun. Before this function is called,
3430 * the vport wwpn, target wwpn, and oas state need to be set.
3433 * SUCCESS: size of formatted string.
3434 * -EFAULT: target or vport wwpn was not set properly.
3435 * -EPERM: oas is not enabled.
3436 * size of formatted string.
3439 lpfc_oas_lun_store(struct device *dev, struct device_attribute *attr,
3440 const char *buf, size_t count)
3442 struct Scsi_Host *shost = class_to_shost(dev);
3443 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3451 if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0)
3454 if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0)
3457 if (!isdigit(buf[0]))
3460 if (sscanf(buf, "0x%llx", &scsi_lun) != 1)
3463 pri = phba->cfg_oas_priority;
3465 pri = phba->cfg_XLanePriority;
3467 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
3468 "3372 Try to set vport 0x%llx target 0x%llx lun:0x%llx "
3469 "priority 0x%x with oas state %d\n",
3470 wwn_to_u64(phba->cfg_oas_vpt_wwpn),
3471 wwn_to_u64(phba->cfg_oas_tgt_wwpn), scsi_lun,
3472 pri, phba->cfg_oas_lun_state);
3474 rc = lpfc_oas_lun_state_change(phba, phba->cfg_oas_vpt_wwpn,
3475 phba->cfg_oas_tgt_wwpn, scsi_lun,
3476 phba->cfg_oas_lun_state, pri);
3482 static DEVICE_ATTR(lpfc_xlane_lun, S_IRUGO | S_IWUSR,
3483 lpfc_oas_lun_show, lpfc_oas_lun_store);
3485 int lpfc_enable_nvmet_cnt;
3486 unsigned long long lpfc_enable_nvmet[LPFC_NVMET_MAX_PORTS] = {
3487 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
3488 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
3489 module_param_array(lpfc_enable_nvmet, ullong, &lpfc_enable_nvmet_cnt, 0444);
3490 MODULE_PARM_DESC(lpfc_enable_nvmet, "Enable HBA port(s) WWPN as a NVME Target");
3492 static int lpfc_poll = 0;
3493 module_param(lpfc_poll, int, S_IRUGO);
3494 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
3496 " 1 - poll with interrupts enabled"
3497 " 3 - poll and disable FCP ring interrupts");
3499 static DEVICE_ATTR_RW(lpfc_poll);
3501 int lpfc_no_hba_reset_cnt;
3502 unsigned long lpfc_no_hba_reset[MAX_HBAS_NO_RESET] = {
3503 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
3504 module_param_array(lpfc_no_hba_reset, ulong, &lpfc_no_hba_reset_cnt, 0444);
3505 MODULE_PARM_DESC(lpfc_no_hba_reset, "WWPN of HBAs that should not be reset");
3507 LPFC_ATTR(sli_mode, 0, 0, 3,
3508 "SLI mode selector:"
3509 " 0 - auto (SLI-3 if supported),"
3510 " 2 - select SLI-2 even on SLI-3 capable HBAs,"
3511 " 3 - select SLI-3");
3513 LPFC_ATTR_R(enable_npiv, 1, 0, 1,
3514 "Enable NPIV functionality");
3516 LPFC_ATTR_R(fcf_failover_policy, 1, 1, 2,
3517 "FCF Fast failover=1 Priority failover=2");
3520 # lpfc_enable_rrq: Track XRI/OXID reuse after IO failures
3521 # 0x0 = disabled, XRI/OXID use not tracked.
3522 # 0x1 = XRI/OXID reuse is timed with ratov, RRQ sent.
3523 # 0x2 = XRI/OXID reuse is timed with ratov, No RRQ sent.
3525 LPFC_ATTR_R(enable_rrq, 2, 0, 2,
3526 "Enable RRQ functionality");
3529 # lpfc_suppress_link_up: Bring link up at initialization
3530 # 0x0 = bring link up (issue MBX_INIT_LINK)
3531 # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK)
3532 # 0x2 = never bring up link
3533 # Default value is 0.
3535 LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK,
3536 LPFC_DELAY_INIT_LINK_INDEFINITELY,
3537 "Suppress Link Up at initialization");
3540 lpfc_pls_show(struct device *dev, struct device_attribute *attr, char *buf)
3542 struct Scsi_Host *shost = class_to_shost(dev);
3543 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3545 return scnprintf(buf, PAGE_SIZE, "%d\n",
3546 phba->sli4_hba.pc_sli4_params.pls);
3548 static DEVICE_ATTR(pls, 0444,
3549 lpfc_pls_show, NULL);
3552 lpfc_pt_show(struct device *dev, struct device_attribute *attr, char *buf)
3554 struct Scsi_Host *shost = class_to_shost(dev);
3555 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3557 return scnprintf(buf, PAGE_SIZE, "%d\n",
3558 (phba->hba_flag & HBA_PERSISTENT_TOPO) ? 1 : 0);
3560 static DEVICE_ATTR(pt, 0444,
3561 lpfc_pt_show, NULL);
3564 # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS
3572 lpfc_iocb_hw_show(struct device *dev, struct device_attribute *attr, char *buf)
3574 struct Scsi_Host *shost = class_to_shost(dev);
3575 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
3577 return scnprintf(buf, PAGE_SIZE, "%d\n", phba->iocb_max);
3580 static DEVICE_ATTR(iocb_hw, S_IRUGO,
3581 lpfc_iocb_hw_show, NULL);
3583 lpfc_txq_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;
3587 struct lpfc_sli_ring *pring = lpfc_phba_elsring(phba);
3589 return scnprintf(buf, PAGE_SIZE, "%d\n",
3590 pring ? pring->txq_max : 0);
3593 static DEVICE_ATTR(txq_hw, S_IRUGO,
3594 lpfc_txq_hw_show, NULL);
3596 lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr,
3599 struct Scsi_Host *shost = class_to_shost(dev);
3600 struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
3601 struct lpfc_sli_ring *pring = lpfc_phba_elsring(phba);
3603 return scnprintf(buf, PAGE_SIZE, "%d\n",
3604 pring ? pring->txcmplq_max : 0);
3607 static DEVICE_ATTR(txcmplq_hw, S_IRUGO,
3608 lpfc_txcmplq_hw_show, NULL);
3611 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
3612 # until the timer expires. Value range is [0,255]. Default value is 30.
3614 static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
3615 static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
3616 module_param(lpfc_nodev_tmo, int, 0);
3617 MODULE_PARM_DESC(lpfc_nodev_tmo,
3618 "Seconds driver will hold I/O waiting "
3619 "for a device to come back");
3622 * lpfc_nodev_tmo_show - Return the hba dev loss timeout value
3623 * @dev: class converted to a Scsi_host structure.
3624 * @attr: device attribute, not used.
3625 * @buf: on return contains the dev loss timeout in decimal.
3627 * Returns: size of formatted string.
3630 lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr,
3633 struct Scsi_Host *shost = class_to_shost(dev);
3634 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3636 return scnprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo);
3640 * lpfc_nodev_tmo_init - Set the hba nodev timeout value
3641 * @vport: lpfc vport structure pointer.
3642 * @val: contains the nodev timeout value.
3645 * If the devloss tmo is already set then nodev tmo is set to devloss tmo,
3646 * a kernel error message is printed and zero is returned.
3647 * Else if val is in range then nodev tmo and devloss tmo are set to val.
3648 * Otherwise nodev tmo is set to the default value.
3651 * zero if already set or if val is in range
3652 * -EINVAL val out of range
3655 lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val)
3657 if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) {
3658 vport->cfg_nodev_tmo = vport->cfg_devloss_tmo;
3659 if (val != LPFC_DEF_DEVLOSS_TMO)
3660 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3661 "0407 Ignoring lpfc_nodev_tmo module "
3662 "parameter because lpfc_devloss_tmo "
3667 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
3668 vport->cfg_nodev_tmo = val;
3669 vport->cfg_devloss_tmo = val;
3672 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3673 "0400 lpfc_nodev_tmo attribute cannot be set to"
3674 " %d, allowed range is [%d, %d]\n",
3675 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
3676 vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
3681 * lpfc_update_rport_devloss_tmo - Update dev loss tmo value
3682 * @vport: lpfc vport structure pointer.
3685 * Update all the ndlp's dev loss tmo with the vport devloss tmo value.
3688 lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
3690 struct Scsi_Host *shost;
3691 struct lpfc_nodelist *ndlp;
3692 #if (IS_ENABLED(CONFIG_NVME_FC))
3693 struct lpfc_nvme_rport *rport;
3694 struct nvme_fc_remote_port *remoteport = NULL;
3697 shost = lpfc_shost_from_vport(vport);
3698 spin_lock_irq(shost->host_lock);
3699 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
3700 if (!NLP_CHK_NODE_ACT(ndlp))
3703 ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo;
3704 #if (IS_ENABLED(CONFIG_NVME_FC))
3705 spin_lock(&vport->phba->hbalock);
3706 rport = lpfc_ndlp_get_nrport(ndlp);
3708 remoteport = rport->remoteport;
3709 spin_unlock(&vport->phba->hbalock);
3710 if (rport && remoteport)
3711 nvme_fc_set_remoteport_devloss(remoteport,
3712 vport->cfg_devloss_tmo);
3715 spin_unlock_irq(shost->host_lock);
3719 * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values
3720 * @vport: lpfc vport structure pointer.
3721 * @val: contains the tmo value.
3724 * If the devloss tmo is already set or the vport dev loss tmo has changed
3725 * then a kernel error message is printed and zero is returned.
3726 * Else if val is in range then nodev tmo and devloss tmo are set to val.
3727 * Otherwise nodev tmo is set to the default value.
3730 * zero if already set or if val is in range
3731 * -EINVAL val out of range
3734 lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val)
3736 if (vport->dev_loss_tmo_changed ||
3737 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
3738 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3739 "0401 Ignoring change to lpfc_nodev_tmo "
3740 "because lpfc_devloss_tmo is set.\n");
3743 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
3744 vport->cfg_nodev_tmo = val;
3745 vport->cfg_devloss_tmo = val;
3747 * For compat: set the fc_host dev loss so new rports
3748 * will get the value.
3750 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val;
3751 lpfc_update_rport_devloss_tmo(vport);
3754 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3755 "0403 lpfc_nodev_tmo attribute cannot be set to "
3756 "%d, allowed range is [%d, %d]\n",
3757 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
3761 lpfc_vport_param_store(nodev_tmo)
3763 static DEVICE_ATTR_RW(lpfc_nodev_tmo);
3766 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
3767 # disappear until the timer expires. Value range is [0,255]. Default
3770 module_param(lpfc_devloss_tmo, int, S_IRUGO);
3771 MODULE_PARM_DESC(lpfc_devloss_tmo,
3772 "Seconds driver will hold I/O waiting "
3773 "for a device to come back");
3774 lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
3775 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
3776 lpfc_vport_param_show(devloss_tmo)
3779 * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit
3780 * @vport: lpfc vport structure pointer.
3781 * @val: contains the tmo value.
3784 * If val is in a valid range then set the vport nodev tmo,
3785 * devloss tmo, also set the vport dev loss tmo changed flag.
3786 * Else a kernel error message is printed.
3789 * zero if val is in range
3790 * -EINVAL val out of range
3793 lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val)
3795 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
3796 vport->cfg_nodev_tmo = val;
3797 vport->cfg_devloss_tmo = val;
3798 vport->dev_loss_tmo_changed = 1;
3799 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val;
3800 lpfc_update_rport_devloss_tmo(vport);
3804 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3805 "0404 lpfc_devloss_tmo attribute cannot be set to "
3806 "%d, allowed range is [%d, %d]\n",
3807 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
3811 lpfc_vport_param_store(devloss_tmo)
3812 static DEVICE_ATTR_RW(lpfc_devloss_tmo);
3815 * lpfc_suppress_rsp: Enable suppress rsp feature is firmware supports it
3816 * lpfc_suppress_rsp = 0 Disable
3817 * lpfc_suppress_rsp = 1 Enable (default)
3820 LPFC_ATTR_R(suppress_rsp, 1, 0, 1,
3821 "Enable suppress rsp feature is firmware supports it");
3824 * lpfc_nvmet_mrq: Specify number of RQ pairs for processing NVMET cmds
3825 * lpfc_nvmet_mrq = 0 driver will calcualte optimal number of RQ pairs
3826 * lpfc_nvmet_mrq = 1 use a single RQ pair
3827 * lpfc_nvmet_mrq >= 2 use specified RQ pairs for MRQ
3830 LPFC_ATTR_R(nvmet_mrq,
3831 LPFC_NVMET_MRQ_AUTO, LPFC_NVMET_MRQ_AUTO, LPFC_NVMET_MRQ_MAX,
3832 "Specify number of RQ pairs for processing NVMET cmds");
3835 * lpfc_nvmet_mrq_post: Specify number of RQ buffer to initially post
3836 * to each NVMET RQ. Range 64 to 2048, default is 512.
3838 LPFC_ATTR_R(nvmet_mrq_post,
3839 LPFC_NVMET_RQE_DEF_POST, LPFC_NVMET_RQE_MIN_POST,
3840 LPFC_NVMET_RQE_DEF_COUNT,
3841 "Specify number of RQ buffers to initially post");
3844 * lpfc_enable_fc4_type: Defines what FC4 types are supported.
3845 * Supported Values: 1 - register just FCP
3846 * 3 - register both FCP and NVME
3847 * Supported values are [1,3]. Default value is 3
3849 LPFC_ATTR_R(enable_fc4_type, LPFC_ENABLE_BOTH,
3850 LPFC_ENABLE_FCP, LPFC_ENABLE_BOTH,
3851 "Enable FC4 Protocol support - FCP / NVME");
3854 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
3855 # deluged with LOTS of information.
3856 # You can set a bit mask to record specific types of verbose messages:
3857 # See lpfc_logmsh.h for definitions.
3859 LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff,
3860 "Verbose logging bit-mask");
3863 # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters
3864 # objects that have been registered with the nameserver after login.
3866 LPFC_VPORT_ATTR_R(enable_da_id, 1, 0, 1,
3867 "Deregister nameserver objects before LOGO");
3870 # lun_queue_depth: This parameter is used to limit the number of outstanding
3871 # commands per FCP LUN. Value range is [1,512]. Default value is 30.
3873 LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 512,
3874 "Max number of FCP commands we can queue to a specific LUN");
3877 # tgt_queue_depth: This parameter is used to limit the number of outstanding
3878 # commands per target port. Value range is [10,65535]. Default value is 65535.
3880 static uint lpfc_tgt_queue_depth = LPFC_MAX_TGT_QDEPTH;
3881 module_param(lpfc_tgt_queue_depth, uint, 0444);
3882 MODULE_PARM_DESC(lpfc_tgt_queue_depth, "Set max Target queue depth");
3883 lpfc_vport_param_show(tgt_queue_depth);
3884 lpfc_vport_param_init(tgt_queue_depth, LPFC_MAX_TGT_QDEPTH,
3885 LPFC_MIN_TGT_QDEPTH, LPFC_MAX_TGT_QDEPTH);
3888 * lpfc_tgt_queue_depth_store: Sets an attribute value.
3889 * @phba: pointer the the adapter structure.
3890 * @val: integer attribute value.
3892 * Description: Sets the parameter to the new value.
3896 * -EINVAL if val is invalid
3899 lpfc_tgt_queue_depth_set(struct lpfc_vport *vport, uint val)
3901 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3902 struct lpfc_nodelist *ndlp;
3904 if (!lpfc_rangecheck(val, LPFC_MIN_TGT_QDEPTH, LPFC_MAX_TGT_QDEPTH))
3907 if (val == vport->cfg_tgt_queue_depth)
3910 spin_lock_irq(shost->host_lock);
3911 vport->cfg_tgt_queue_depth = val;
3913 /* Next loop thru nodelist and change cmd_qdepth */
3914 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp)
3915 ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth;
3917 spin_unlock_irq(shost->host_lock);
3921 lpfc_vport_param_store(tgt_queue_depth);
3922 static DEVICE_ATTR_RW(lpfc_tgt_queue_depth);
3925 # hba_queue_depth: This parameter is used to limit the number of outstanding
3926 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
3927 # value is greater than the maximum number of exchanges supported by the HBA,
3928 # then maximum number of exchanges supported by the HBA is used to determine
3929 # the hba_queue_depth.
3931 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
3932 "Max number of FCP commands we can queue to a lpfc HBA");
3935 # peer_port_login: This parameter allows/prevents logins
3936 # between peer ports hosted on the same physical port.
3937 # When this parameter is set 0 peer ports of same physical port
3938 # are not allowed to login to each other.
3939 # When this parameter is set 1 peer ports of same physical port
3940 # are allowed to login to each other.
3941 # Default value of this parameter is 0.
3943 LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1,
3944 "Allow peer ports on the same physical port to login to each "
3948 # restrict_login: This parameter allows/prevents logins
3949 # between Virtual Ports and remote initiators.
3950 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
3951 # other initiators and will attempt to PLOGI all remote ports.
3952 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
3953 # remote ports and will not attempt to PLOGI to other initiators.
3954 # This parameter does not restrict to the physical port.
3955 # This parameter does not restrict logins to Fabric resident remote ports.
3956 # Default value of this parameter is 1.
3958 static int lpfc_restrict_login = 1;
3959 module_param(lpfc_restrict_login, int, S_IRUGO);
3960 MODULE_PARM_DESC(lpfc_restrict_login,
3961 "Restrict virtual ports login to remote initiators.");
3962 lpfc_vport_param_show(restrict_login);
3965 * lpfc_restrict_login_init - Set the vport restrict login flag
3966 * @vport: lpfc vport structure pointer.
3967 * @val: contains the restrict login value.
3970 * If val is not in a valid range then log a kernel error message and set
3971 * the vport restrict login to one.
3972 * If the port type is physical clear the restrict login flag and return.
3973 * Else set the restrict login flag to val.
3976 * zero if val is in range
3977 * -EINVAL val out of range
3980 lpfc_restrict_login_init(struct lpfc_vport *vport, int val)
3982 if (val < 0 || val > 1) {
3983 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3984 "0422 lpfc_restrict_login attribute cannot "
3985 "be set to %d, allowed range is [0, 1]\n",
3987 vport->cfg_restrict_login = 1;
3990 if (vport->port_type == LPFC_PHYSICAL_PORT) {
3991 vport->cfg_restrict_login = 0;
3994 vport->cfg_restrict_login = val;
3999 * lpfc_restrict_login_set - Set the vport restrict login flag
4000 * @vport: lpfc vport structure pointer.
4001 * @val: contains the restrict login value.
4004 * If val is not in a valid range then log a kernel error message and set
4005 * the vport restrict login to one.
4006 * If the port type is physical and the val is not zero log a kernel
4007 * error message, clear the restrict login flag and return zero.
4008 * Else set the restrict login flag to val.
4011 * zero if val is in range
4012 * -EINVAL val out of range
4015 lpfc_restrict_login_set(struct lpfc_vport *vport, int val)
4017 if (val < 0 || val > 1) {
4018 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4019 "0425 lpfc_restrict_login attribute cannot "
4020 "be set to %d, allowed range is [0, 1]\n",
4022 vport->cfg_restrict_login = 1;
4025 if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) {
4026 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4027 "0468 lpfc_restrict_login must be 0 for "
4028 "Physical ports.\n");
4029 vport->cfg_restrict_login = 0;
4032 vport->cfg_restrict_login = val;
4035 lpfc_vport_param_store(restrict_login);
4036 static DEVICE_ATTR_RW(lpfc_restrict_login);
4039 # Some disk devices have a "select ID" or "select Target" capability.
4040 # From a protocol standpoint "select ID" usually means select the
4041 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
4042 # annex" which contains a table that maps a "select ID" (a number
4043 # between 0 and 7F) to an ALPA. By default, for compatibility with
4044 # older drivers, the lpfc driver scans this table from low ALPA to high
4047 # Turning on the scan-down variable (on = 1, off = 0) will
4048 # cause the lpfc driver to use an inverted table, effectively
4049 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
4051 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
4052 # and will not work across a fabric. Also this parameter will take
4053 # effect only in the case when ALPA map is not available.)
4055 LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1,
4056 "Start scanning for devices from highest ALPA to lowest");
4059 # lpfc_topology: link topology for init link
4060 # 0x0 = attempt loop mode then point-to-point
4061 # 0x01 = internal loopback mode
4062 # 0x02 = attempt point-to-point mode only
4063 # 0x04 = attempt loop mode only
4064 # 0x06 = attempt point-to-point mode then loop
4065 # Set point-to-point mode if you want to run as an N_Port.
4066 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
4067 # Default value is 0.
4069 LPFC_ATTR(topology, 0, 0, 6,
4070 "Select Fibre Channel topology");
4073 * lpfc_topology_set - Set the adapters topology field
4074 * @phba: lpfc_hba pointer.
4075 * @val: topology value.
4078 * If val is in a valid range then set the adapter's topology field and
4079 * issue a lip; if the lip fails reset the topology to the old value.
4081 * If the value is not in range log a kernel error message and return an error.
4084 * zero if val is in range and lip okay
4085 * non-zero return value from lpfc_issue_lip()
4086 * -EINVAL val out of range
4089 lpfc_topology_store(struct device *dev, struct device_attribute *attr,
4090 const char *buf, size_t count)
4092 struct Scsi_Host *shost = class_to_shost(dev);
4093 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4094 struct lpfc_hba *phba = vport->phba;
4097 const char *val_buf = buf;
4101 if (!strncmp(buf, "nolip ", strlen("nolip "))) {
4103 val_buf = &buf[strlen("nolip ")];
4106 if (!isdigit(val_buf[0]))
4108 if (sscanf(val_buf, "%i", &val) != 1)
4111 if (val >= 0 && val <= 6) {
4112 prev_val = phba->cfg_topology;
4113 if (phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G &&
4115 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4116 "3113 Loop mode not supported at speed %d\n",
4121 * The 'topology' is not a configurable parameter if :
4122 * - persistent topology enabled
4123 * - G7/G6 with no private loop support
4126 if ((phba->hba_flag & HBA_PERSISTENT_TOPO ||
4127 (!phba->sli4_hba.pc_sli4_params.pls &&
4128 (phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC ||
4129 phba->pcidev->device == PCI_DEVICE_ID_LANCER_G7_FC))) &&
4131 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4132 "3114 Loop mode not supported\n");
4135 phba->cfg_topology = val;
4139 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4140 "3054 lpfc_topology changed from %d to %d\n",
4142 if (prev_val != val && phba->sli_rev == LPFC_SLI_REV4)
4143 phba->fc_topology_changed = 1;
4144 err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport));
4146 phba->cfg_topology = prev_val;
4151 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4152 "%d:0467 lpfc_topology attribute cannot be set to %d, "
4153 "allowed range is [0, 6]\n",
4158 lpfc_param_show(topology)
4159 static DEVICE_ATTR_RW(lpfc_topology);
4162 * lpfc_static_vport_show: Read callback function for
4163 * lpfc_static_vport sysfs file.
4164 * @dev: Pointer to class device object.
4165 * @attr: device attribute structure.
4166 * @buf: Data buffer.
4168 * This function is the read call back function for
4169 * lpfc_static_vport sysfs file. The lpfc_static_vport
4170 * sysfs file report the mageability of the vport.
4173 lpfc_static_vport_show(struct device *dev, struct device_attribute *attr,
4176 struct Scsi_Host *shost = class_to_shost(dev);
4177 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4178 if (vport->vport_flag & STATIC_VPORT)
4179 sprintf(buf, "1\n");
4181 sprintf(buf, "0\n");
4187 * Sysfs attribute to control the statistical data collection.
4189 static DEVICE_ATTR_RO(lpfc_static_vport);
4192 * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file
4193 * @dev: Pointer to class device.
4194 * @buf: Data buffer.
4195 * @count: Size of the data buffer.
4197 * This function get called when a user write to the lpfc_stat_data_ctrl
4198 * sysfs file. This function parse the command written to the sysfs file
4199 * and take appropriate action. These commands are used for controlling
4200 * driver statistical data collection.
4201 * Following are the command this function handles.
4203 * setbucket <bucket_type> <base> <step>
4204 * = Set the latency buckets.
4205 * destroybucket = destroy all the buckets.
4206 * start = start data collection
4207 * stop = stop data collection
4208 * reset = reset the collected data
4211 lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr,
4212 const char *buf, size_t count)
4214 struct Scsi_Host *shost = class_to_shost(dev);
4215 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4216 struct lpfc_hba *phba = vport->phba;
4217 #define LPFC_MAX_DATA_CTRL_LEN 1024
4218 static char bucket_data[LPFC_MAX_DATA_CTRL_LEN];
4220 char *str_ptr, *token;
4221 struct lpfc_vport **vports;
4222 struct Scsi_Host *v_shost;
4223 char *bucket_type_str, *base_str, *step_str;
4224 unsigned long base, step, bucket_type;
4226 if (!strncmp(buf, "setbucket", strlen("setbucket"))) {
4227 if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1))
4230 strncpy(bucket_data, buf, LPFC_MAX_DATA_CTRL_LEN);
4231 str_ptr = &bucket_data[0];
4232 /* Ignore this token - this is command token */
4233 token = strsep(&str_ptr, "\t ");
4237 bucket_type_str = strsep(&str_ptr, "\t ");
4238 if (!bucket_type_str)
4241 if (!strncmp(bucket_type_str, "linear", strlen("linear")))
4242 bucket_type = LPFC_LINEAR_BUCKET;
4243 else if (!strncmp(bucket_type_str, "power2", strlen("power2")))
4244 bucket_type = LPFC_POWER2_BUCKET;
4248 base_str = strsep(&str_ptr, "\t ");
4251 base = simple_strtoul(base_str, NULL, 0);
4253 step_str = strsep(&str_ptr, "\t ");
4256 step = simple_strtoul(step_str, NULL, 0);
4260 /* Block the data collection for every vport */
4261 vports = lpfc_create_vport_work_array(phba);
4265 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
4266 v_shost = lpfc_shost_from_vport(vports[i]);
4267 spin_lock_irq(v_shost->host_lock);
4268 /* Block and reset data collection */
4269 vports[i]->stat_data_blocked = 1;
4270 if (vports[i]->stat_data_enabled)
4271 lpfc_vport_reset_stat_data(vports[i]);
4272 spin_unlock_irq(v_shost->host_lock);
4275 /* Set the bucket attributes */
4276 phba->bucket_type = bucket_type;
4277 phba->bucket_base = base;
4278 phba->bucket_step = step;
4280 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
4281 v_shost = lpfc_shost_from_vport(vports[i]);
4283 /* Unblock data collection */
4284 spin_lock_irq(v_shost->host_lock);
4285 vports[i]->stat_data_blocked = 0;
4286 spin_unlock_irq(v_shost->host_lock);
4288 lpfc_destroy_vport_work_array(phba, vports);
4292 if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) {
4293 vports = lpfc_create_vport_work_array(phba);
4297 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
4298 v_shost = lpfc_shost_from_vport(vports[i]);
4299 spin_lock_irq(shost->host_lock);
4300 vports[i]->stat_data_blocked = 1;
4301 lpfc_free_bucket(vport);
4302 vport->stat_data_enabled = 0;
4303 vports[i]->stat_data_blocked = 0;
4304 spin_unlock_irq(shost->host_lock);
4306 lpfc_destroy_vport_work_array(phba, vports);
4307 phba->bucket_type = LPFC_NO_BUCKET;
4308 phba->bucket_base = 0;
4309 phba->bucket_step = 0;
4313 if (!strncmp(buf, "start", strlen("start"))) {
4314 /* If no buckets configured return error */
4315 if (phba->bucket_type == LPFC_NO_BUCKET)
4317 spin_lock_irq(shost->host_lock);
4318 if (vport->stat_data_enabled) {
4319 spin_unlock_irq(shost->host_lock);
4322 lpfc_alloc_bucket(vport);
4323 vport->stat_data_enabled = 1;
4324 spin_unlock_irq(shost->host_lock);
4328 if (!strncmp(buf, "stop", strlen("stop"))) {
4329 spin_lock_irq(shost->host_lock);
4330 if (vport->stat_data_enabled == 0) {
4331 spin_unlock_irq(shost->host_lock);
4334 lpfc_free_bucket(vport);
4335 vport->stat_data_enabled = 0;
4336 spin_unlock_irq(shost->host_lock);
4340 if (!strncmp(buf, "reset", strlen("reset"))) {
4341 if ((phba->bucket_type == LPFC_NO_BUCKET)
4342 || !vport->stat_data_enabled)
4344 spin_lock_irq(shost->host_lock);
4345 vport->stat_data_blocked = 1;
4346 lpfc_vport_reset_stat_data(vport);
4347 vport->stat_data_blocked = 0;
4348 spin_unlock_irq(shost->host_lock);
4356 * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file
4357 * @dev: Pointer to class device object.
4358 * @buf: Data buffer.
4360 * This function is the read call back function for
4361 * lpfc_stat_data_ctrl sysfs file. This function report the
4362 * current statistical data collection state.
4365 lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr,
4368 struct Scsi_Host *shost = class_to_shost(dev);
4369 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4370 struct lpfc_hba *phba = vport->phba;
4374 unsigned long bucket_value;
4376 switch (phba->bucket_type) {
4377 case LPFC_LINEAR_BUCKET:
4378 bucket_type = "linear";
4380 case LPFC_POWER2_BUCKET:
4381 bucket_type = "power2";
4384 bucket_type = "No Bucket";
4388 sprintf(&buf[index], "Statistical Data enabled :%d, "
4389 "blocked :%d, Bucket type :%s, Bucket base :%d,"
4390 " Bucket step :%d\nLatency Ranges :",
4391 vport->stat_data_enabled, vport->stat_data_blocked,
4392 bucket_type, phba->bucket_base, phba->bucket_step);
4393 index = strlen(buf);
4394 if (phba->bucket_type != LPFC_NO_BUCKET) {
4395 for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) {
4396 if (phba->bucket_type == LPFC_LINEAR_BUCKET)
4397 bucket_value = phba->bucket_base +
4398 phba->bucket_step * i;
4400 bucket_value = phba->bucket_base +
4401 (1 << i) * phba->bucket_step;
4403 if (index + 10 > PAGE_SIZE)
4405 sprintf(&buf[index], "%08ld ", bucket_value);
4406 index = strlen(buf);
4409 sprintf(&buf[index], "\n");
4414 * Sysfs attribute to control the statistical data collection.
4416 static DEVICE_ATTR_RW(lpfc_stat_data_ctrl);
4419 * lpfc_drvr_stat_data: sysfs attr to get driver statistical data.
4423 * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN
4426 #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18)
4427 #define MAX_STAT_DATA_SIZE_PER_TARGET \
4428 STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT)
4432 * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute
4434 * @kobj: Pointer to the kernel object
4435 * @bin_attr: Attribute object
4436 * @buff: Buffer pointer
4438 * @count: Buffer size
4440 * This function is the read call back function for lpfc_drvr_stat_data
4441 * sysfs file. This function export the statistical data to user
4445 sysfs_drvr_stat_data_read(struct file *filp, struct kobject *kobj,
4446 struct bin_attribute *bin_attr,
4447 char *buf, loff_t off, size_t count)
4449 struct device *dev = container_of(kobj, struct device,
4451 struct Scsi_Host *shost = class_to_shost(dev);
4452 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4453 struct lpfc_hba *phba = vport->phba;
4454 int i = 0, index = 0;
4455 unsigned long nport_index;
4456 struct lpfc_nodelist *ndlp = NULL;
4457 nport_index = (unsigned long)off /
4458 MAX_STAT_DATA_SIZE_PER_TARGET;
4460 if (!vport->stat_data_enabled || vport->stat_data_blocked
4461 || (phba->bucket_type == LPFC_NO_BUCKET))
4464 spin_lock_irq(shost->host_lock);
4465 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
4466 if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data)
4469 if (nport_index > 0) {
4474 if ((index + MAX_STAT_DATA_SIZE_PER_TARGET)
4478 if (!ndlp->lat_data)
4482 sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:",
4483 ndlp->nlp_portname.u.wwn[0],
4484 ndlp->nlp_portname.u.wwn[1],
4485 ndlp->nlp_portname.u.wwn[2],
4486 ndlp->nlp_portname.u.wwn[3],
4487 ndlp->nlp_portname.u.wwn[4],
4488 ndlp->nlp_portname.u.wwn[5],
4489 ndlp->nlp_portname.u.wwn[6],
4490 ndlp->nlp_portname.u.wwn[7]);
4492 index = strlen(buf);
4494 for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) {
4495 sprintf(&buf[index], "%010u,",
4496 ndlp->lat_data[i].cmd_count);
4497 index = strlen(buf);
4499 sprintf(&buf[index], "\n");
4500 index = strlen(buf);
4502 spin_unlock_irq(shost->host_lock);
4506 static struct bin_attribute sysfs_drvr_stat_data_attr = {
4508 .name = "lpfc_drvr_stat_data",
4511 .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET,
4512 .read = sysfs_drvr_stat_data_read,
4517 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
4519 # Value range is [0,16]. Default value is 0.
4522 * lpfc_link_speed_set - Set the adapters link speed
4523 * @phba: lpfc_hba pointer.
4524 * @val: link speed value.
4527 * If val is in a valid range then set the adapter's link speed field and
4528 * issue a lip; if the lip fails reset the link speed to the old value.
4531 * If the value is not in range log a kernel error message and return an error.
4534 * zero if val is in range and lip okay.
4535 * non-zero return value from lpfc_issue_lip()
4536 * -EINVAL val out of range
4539 lpfc_link_speed_store(struct device *dev, struct device_attribute *attr,
4540 const char *buf, size_t count)
4542 struct Scsi_Host *shost = class_to_shost(dev);
4543 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4544 struct lpfc_hba *phba = vport->phba;
4545 int val = LPFC_USER_LINK_SPEED_AUTO;
4547 const char *val_buf = buf;
4549 uint32_t prev_val, if_type;
4551 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
4552 if (if_type >= LPFC_SLI_INTF_IF_TYPE_2 &&
4553 phba->hba_flag & HBA_FORCED_LINK_SPEED)
4556 if (!strncmp(buf, "nolip ", strlen("nolip "))) {
4558 val_buf = &buf[strlen("nolip ")];
4561 if (!isdigit(val_buf[0]))
4563 if (sscanf(val_buf, "%i", &val) != 1)
4566 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4567 "3055 lpfc_link_speed changed from %d to %d %s\n",
4568 phba->cfg_link_speed, val, nolip ? "(nolip)" : "(lip)");
4570 if (((val == LPFC_USER_LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) ||
4571 ((val == LPFC_USER_LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) ||
4572 ((val == LPFC_USER_LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) ||
4573 ((val == LPFC_USER_LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) ||
4574 ((val == LPFC_USER_LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb)) ||
4575 ((val == LPFC_USER_LINK_SPEED_16G) && !(phba->lmt & LMT_16Gb)) ||
4576 ((val == LPFC_USER_LINK_SPEED_32G) && !(phba->lmt & LMT_32Gb)) ||
4577 ((val == LPFC_USER_LINK_SPEED_64G) && !(phba->lmt & LMT_64Gb))) {
4578 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4579 "2879 lpfc_link_speed attribute cannot be set "
4580 "to %d. Speed is not supported by this port.\n",
4584 if (val >= LPFC_USER_LINK_SPEED_16G &&
4585 phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
4586 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4587 "3112 lpfc_link_speed attribute cannot be set "
4588 "to %d. Speed is not supported in loop mode.\n",
4594 case LPFC_USER_LINK_SPEED_AUTO:
4595 case LPFC_USER_LINK_SPEED_1G:
4596 case LPFC_USER_LINK_SPEED_2G:
4597 case LPFC_USER_LINK_SPEED_4G:
4598 case LPFC_USER_LINK_SPEED_8G:
4599 case LPFC_USER_LINK_SPEED_16G:
4600 case LPFC_USER_LINK_SPEED_32G:
4601 case LPFC_USER_LINK_SPEED_64G:
4602 prev_val = phba->cfg_link_speed;
4603 phba->cfg_link_speed = val;
4607 err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport));
4609 phba->cfg_link_speed = prev_val;
4617 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4618 "0469 lpfc_link_speed attribute cannot be set to %d, "
4619 "allowed values are [%s]\n",
4620 val, LPFC_LINK_SPEED_STRING);
4625 static int lpfc_link_speed = 0;
4626 module_param(lpfc_link_speed, int, S_IRUGO);
4627 MODULE_PARM_DESC(lpfc_link_speed, "Select link speed");
4628 lpfc_param_show(link_speed)
4631 * lpfc_link_speed_init - Set the adapters link speed
4632 * @phba: lpfc_hba pointer.
4633 * @val: link speed value.
4636 * If val is in a valid range then set the adapter's link speed field.
4639 * If the value is not in range log a kernel error message, clear the link
4640 * speed and return an error.
4643 * zero if val saved.
4644 * -EINVAL val out of range
4647 lpfc_link_speed_init(struct lpfc_hba *phba, int val)
4649 if (val >= LPFC_USER_LINK_SPEED_16G && phba->cfg_topology == 4) {
4650 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4651 "3111 lpfc_link_speed of %d cannot "
4652 "support loop mode, setting topology to default.\n",
4654 phba->cfg_topology = 0;
4658 case LPFC_USER_LINK_SPEED_AUTO:
4659 case LPFC_USER_LINK_SPEED_1G:
4660 case LPFC_USER_LINK_SPEED_2G:
4661 case LPFC_USER_LINK_SPEED_4G:
4662 case LPFC_USER_LINK_SPEED_8G:
4663 case LPFC_USER_LINK_SPEED_16G:
4664 case LPFC_USER_LINK_SPEED_32G:
4665 case LPFC_USER_LINK_SPEED_64G:
4666 phba->cfg_link_speed = val;
4669 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4670 "0405 lpfc_link_speed attribute cannot "
4671 "be set to %d, allowed values are "
4672 "["LPFC_LINK_SPEED_STRING"]\n", val);
4673 phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO;
4678 static DEVICE_ATTR_RW(lpfc_link_speed);
4681 # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER)
4682 # 0 = aer disabled or not supported
4683 # 1 = aer supported and enabled (default)
4684 # Value range is [0,1]. Default value is 1.
4686 LPFC_ATTR(aer_support, 1, 0, 1,
4687 "Enable PCIe device AER support");
4688 lpfc_param_show(aer_support)
4691 * lpfc_aer_support_store - Set the adapter for aer support
4693 * @dev: class device that is converted into a Scsi_host.
4694 * @attr: device attribute, not used.
4695 * @buf: containing enable or disable aer flag.
4696 * @count: unused variable.
4699 * If the val is 1 and currently the device's AER capability was not
4700 * enabled, invoke the kernel's enable AER helper routine, trying to
4701 * enable the device's AER capability. If the helper routine enabling
4702 * AER returns success, update the device's cfg_aer_support flag to
4703 * indicate AER is supported by the device; otherwise, if the device
4704 * AER capability is already enabled to support AER, then do nothing.
4706 * If the val is 0 and currently the device's AER support was enabled,
4707 * invoke the kernel's disable AER helper routine. After that, update
4708 * the device's cfg_aer_support flag to indicate AER is not supported
4709 * by the device; otherwise, if the device AER capability is already
4710 * disabled from supporting AER, then do nothing.
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_aer_support_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 int val = 0, rc = -EINVAL;
4726 if (!isdigit(buf[0]))
4728 if (sscanf(buf, "%i", &val) != 1)
4733 if (phba->hba_flag & HBA_AER_ENABLED) {
4734 rc = pci_disable_pcie_error_reporting(phba->pcidev);
4736 spin_lock_irq(&phba->hbalock);
4737 phba->hba_flag &= ~HBA_AER_ENABLED;
4738 spin_unlock_irq(&phba->hbalock);
4739 phba->cfg_aer_support = 0;
4744 phba->cfg_aer_support = 0;
4749 if (!(phba->hba_flag & HBA_AER_ENABLED)) {
4750 rc = pci_enable_pcie_error_reporting(phba->pcidev);
4752 spin_lock_irq(&phba->hbalock);
4753 phba->hba_flag |= HBA_AER_ENABLED;
4754 spin_unlock_irq(&phba->hbalock);
4755 phba->cfg_aer_support = 1;
4760 phba->cfg_aer_support = 1;
4771 static DEVICE_ATTR_RW(lpfc_aer_support);
4774 * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device
4775 * @dev: class device that is converted into a Scsi_host.
4776 * @attr: device attribute, not used.
4777 * @buf: containing flag 1 for aer cleanup state.
4778 * @count: unused variable.
4781 * If the @buf contains 1 and the device currently has the AER support
4782 * enabled, then invokes the kernel AER helper routine
4783 * pci_aer_clear_nonfatal_status() to clean up the uncorrectable
4784 * error status register.
4789 * -EINVAL if the buf does not contain the 1 or the device is not currently
4790 * enabled with the AER support.
4793 lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr,
4794 const char *buf, size_t count)
4796 struct Scsi_Host *shost = class_to_shost(dev);
4797 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
4798 struct lpfc_hba *phba = vport->phba;
4801 if (!isdigit(buf[0]))
4803 if (sscanf(buf, "%i", &val) != 1)
4808 if (phba->hba_flag & HBA_AER_ENABLED)
4809 rc = pci_aer_clear_nonfatal_status(phba->pcidev);
4817 static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL,
4818 lpfc_aer_cleanup_state);
4821 * lpfc_sriov_nr_virtfn_store - Enable the adapter for sr-iov virtual functions
4823 * @dev: class device that is converted into a Scsi_host.
4824 * @attr: device attribute, not used.
4825 * @buf: containing the string the number of vfs to be enabled.
4826 * @count: unused variable.
4829 * When this api is called either through user sysfs, the driver shall
4830 * try to enable or disable SR-IOV virtual functions according to the
4833 * If zero virtual function has been enabled to the physical function,
4834 * the driver shall invoke the pci enable virtual function api trying
4835 * to enable the virtual functions. If the nr_vfn provided is greater
4836 * than the maximum supported, the maximum virtual function number will
4837 * be used for invoking the api; otherwise, the nr_vfn provided shall
4838 * be used for invoking the api. If the api call returned success, the
4839 * actual number of virtual functions enabled will be set to the driver
4840 * cfg_sriov_nr_virtfn; otherwise, -EINVAL shall be returned and driver
4841 * cfg_sriov_nr_virtfn remains zero.
4843 * If none-zero virtual functions have already been enabled to the
4844 * physical function, as reflected by the driver's cfg_sriov_nr_virtfn,
4845 * -EINVAL will be returned and the driver does nothing;
4847 * If the nr_vfn provided is zero and none-zero virtual functions have
4848 * been enabled, as indicated by the driver's cfg_sriov_nr_virtfn, the
4849 * disabling virtual function api shall be invoded to disable all the
4850 * virtual functions and driver's cfg_sriov_nr_virtfn shall be set to
4851 * zero. Otherwise, if zero virtual function has been enabled, do
4855 * length of the buf on success if val is in range the intended mode
4857 * -EINVAL if val out of range or intended mode is not supported.
4860 lpfc_sriov_nr_virtfn_store(struct device *dev, struct device_attribute *attr,
4861 const char *buf, size_t count)
4863 struct Scsi_Host *shost = class_to_shost(dev);
4864 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
4865 struct lpfc_hba *phba = vport->phba;
4866 struct pci_dev *pdev = phba->pcidev;
4867 int val = 0, rc = -EINVAL;
4869 /* Sanity check on user data */
4870 if (!isdigit(buf[0]))
4872 if (sscanf(buf, "%i", &val) != 1)
4877 /* Request disabling virtual functions */
4879 if (phba->cfg_sriov_nr_virtfn > 0) {
4880 pci_disable_sriov(pdev);
4881 phba->cfg_sriov_nr_virtfn = 0;
4886 /* Request enabling virtual functions */
4887 if (phba->cfg_sriov_nr_virtfn > 0) {
4888 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4889 "3018 There are %d virtual functions "
4890 "enabled on physical function.\n",
4891 phba->cfg_sriov_nr_virtfn);
4895 if (val <= LPFC_MAX_VFN_PER_PFN)
4896 phba->cfg_sriov_nr_virtfn = val;
4898 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4899 "3019 Enabling %d virtual functions is not "
4904 rc = lpfc_sli_probe_sriov_nr_virtfn(phba, phba->cfg_sriov_nr_virtfn);
4906 phba->cfg_sriov_nr_virtfn = 0;
4914 LPFC_ATTR(sriov_nr_virtfn, LPFC_DEF_VFN_PER_PFN, 0, LPFC_MAX_VFN_PER_PFN,
4915 "Enable PCIe device SR-IOV virtual fn");
4917 lpfc_param_show(sriov_nr_virtfn)
4918 static DEVICE_ATTR_RW(lpfc_sriov_nr_virtfn);
4921 * lpfc_request_firmware_store - Request for Linux generic firmware upgrade
4923 * @dev: class device that is converted into a Scsi_host.
4924 * @attr: device attribute, not used.
4925 * @buf: containing the string the number of vfs to be enabled.
4926 * @count: unused variable.
4931 * length of the buf on success if val is in range the intended mode
4933 * -EINVAL if val out of range or intended mode is not supported.
4936 lpfc_request_firmware_upgrade_store(struct device *dev,
4937 struct device_attribute *attr,
4938 const char *buf, size_t count)
4940 struct Scsi_Host *shost = class_to_shost(dev);
4941 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
4942 struct lpfc_hba *phba = vport->phba;
4943 int val = 0, rc = -EINVAL;
4945 /* Sanity check on user data */
4946 if (!isdigit(buf[0]))
4948 if (sscanf(buf, "%i", &val) != 1)
4953 rc = lpfc_sli4_request_firmware_update(phba, RUN_FW_UPGRADE);
4961 static int lpfc_req_fw_upgrade;
4962 module_param(lpfc_req_fw_upgrade, int, S_IRUGO|S_IWUSR);
4963 MODULE_PARM_DESC(lpfc_req_fw_upgrade, "Enable Linux generic firmware upgrade");
4964 lpfc_param_show(request_firmware_upgrade)
4967 * lpfc_request_firmware_upgrade_init - Enable initial linux generic fw upgrade
4968 * @phba: lpfc_hba pointer.
4972 * Set the initial Linux generic firmware upgrade enable or disable flag.
4975 * zero if val saved.
4976 * -EINVAL val out of range
4979 lpfc_request_firmware_upgrade_init(struct lpfc_hba *phba, int val)
4981 if (val >= 0 && val <= 1) {
4982 phba->cfg_request_firmware_upgrade = val;
4987 static DEVICE_ATTR(lpfc_req_fw_upgrade, S_IRUGO | S_IWUSR,
4988 lpfc_request_firmware_upgrade_show,
4989 lpfc_request_firmware_upgrade_store);
4992 * lpfc_force_rscn_store
4994 * @dev: class device that is converted into a Scsi_host.
4995 * @attr: device attribute, not used.
4996 * @buf: unused string
4997 * @count: unused variable.
5000 * Force the switch to send a RSCN to all other NPorts in our zone
5001 * If we are direct connect pt2pt, build the RSCN command ourself
5002 * and send to the other NPort. Not supported for private loop.
5006 * -EIO - if command is not sent
5009 lpfc_force_rscn_store(struct device *dev, struct device_attribute *attr,
5010 const char *buf, size_t count)
5012 struct Scsi_Host *shost = class_to_shost(dev);
5013 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
5016 i = lpfc_issue_els_rscn(vport, 0);
5023 * lpfc_force_rscn: Force an RSCN to be sent to all remote NPorts
5024 * connected to the HBA.
5026 * Value range is any ascii value
5028 static int lpfc_force_rscn;
5029 module_param(lpfc_force_rscn, int, 0644);
5030 MODULE_PARM_DESC(lpfc_force_rscn,
5031 "Force an RSCN to be sent to all remote NPorts");
5032 lpfc_param_show(force_rscn)
5035 * lpfc_force_rscn_init - Force an RSCN to be sent to all remote NPorts
5036 * @phba: lpfc_hba pointer.
5037 * @val: unused value.
5040 * zero if val saved.
5043 lpfc_force_rscn_init(struct lpfc_hba *phba, int val)
5047 static DEVICE_ATTR_RW(lpfc_force_rscn);
5050 * lpfc_fcp_imax_store
5052 * @dev: class device that is converted into a Scsi_host.
5053 * @attr: device attribute, not used.
5054 * @buf: string with the number of fast-path FCP interrupts per second.
5055 * @count: unused variable.
5058 * If val is in a valid range [636,651042], then set the adapter's
5059 * maximum number of fast-path FCP interrupts per second.
5062 * length of the buf on success if val is in range the intended mode
5064 * -EINVAL if val out of range or intended mode is not supported.
5067 lpfc_fcp_imax_store(struct device *dev, struct device_attribute *attr,
5068 const char *buf, size_t count)
5070 struct Scsi_Host *shost = class_to_shost(dev);
5071 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
5072 struct lpfc_hba *phba = vport->phba;
5073 struct lpfc_eq_intr_info *eqi;
5077 /* fcp_imax is only valid for SLI4 */
5078 if (phba->sli_rev != LPFC_SLI_REV4)
5081 /* Sanity check on user data */
5082 if (!isdigit(buf[0]))
5084 if (sscanf(buf, "%i", &val) != 1)
5088 * Value range for the HBA is [5000,5000000]
5089 * The value for each EQ depends on how many EQs are configured.
5092 if (val && (val < LPFC_MIN_IMAX || val > LPFC_MAX_IMAX))
5095 phba->cfg_auto_imax = (val) ? 0 : 1;
5096 if (phba->cfg_fcp_imax && !val) {
5097 queue_delayed_work(phba->wq, &phba->eq_delay_work,
5098 msecs_to_jiffies(LPFC_EQ_DELAY_MSECS));
5100 for_each_present_cpu(i) {
5101 eqi = per_cpu_ptr(phba->sli4_hba.eq_info, i);
5106 phba->cfg_fcp_imax = (uint32_t)val;
5108 if (phba->cfg_fcp_imax)
5109 usdelay = LPFC_SEC_TO_USEC / phba->cfg_fcp_imax;
5113 for (i = 0; i < phba->cfg_irq_chann; i += LPFC_MAX_EQ_DELAY_EQID_CNT)
5114 lpfc_modify_hba_eq_delay(phba, i, LPFC_MAX_EQ_DELAY_EQID_CNT,
5121 # lpfc_fcp_imax: The maximum number of fast-path FCP interrupts per second
5124 # Value range is [5,000 to 5,000,000]. Default value is 50,000.
5126 static int lpfc_fcp_imax = LPFC_DEF_IMAX;
5127 module_param(lpfc_fcp_imax, int, S_IRUGO|S_IWUSR);
5128 MODULE_PARM_DESC(lpfc_fcp_imax,
5129 "Set the maximum number of FCP interrupts per second per HBA");
5130 lpfc_param_show(fcp_imax)
5133 * lpfc_fcp_imax_init - Set the initial sr-iov virtual function enable
5134 * @phba: lpfc_hba pointer.
5135 * @val: link speed value.
5138 * If val is in a valid range [636,651042], then initialize the adapter's
5139 * maximum number of fast-path FCP interrupts per second.
5142 * zero if val saved.
5143 * -EINVAL val out of range
5146 lpfc_fcp_imax_init(struct lpfc_hba *phba, int val)
5148 if (phba->sli_rev != LPFC_SLI_REV4) {
5149 phba->cfg_fcp_imax = 0;
5153 if ((val >= LPFC_MIN_IMAX && val <= LPFC_MAX_IMAX) ||
5155 phba->cfg_fcp_imax = val;
5159 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5160 "3016 lpfc_fcp_imax: %d out of range, using default\n",
5162 phba->cfg_fcp_imax = LPFC_DEF_IMAX;
5167 static DEVICE_ATTR_RW(lpfc_fcp_imax);
5170 * lpfc_cq_max_proc_limit_store
5172 * @dev: class device that is converted into a Scsi_host.
5173 * @attr: device attribute, not used.
5174 * @buf: string with the cq max processing limit of cqes
5175 * @count: unused variable.
5178 * If val is in a valid range, then set value on each cq
5181 * The length of the buf: if successful
5182 * -ERANGE: if val is not in the valid range
5183 * -EINVAL: if bad value format or intended mode is not supported.
5186 lpfc_cq_max_proc_limit_store(struct device *dev, struct device_attribute *attr,
5187 const char *buf, size_t count)
5189 struct Scsi_Host *shost = class_to_shost(dev);
5190 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
5191 struct lpfc_hba *phba = vport->phba;
5192 struct lpfc_queue *eq, *cq;
5196 /* cq_max_proc_limit is only valid for SLI4 */
5197 if (phba->sli_rev != LPFC_SLI_REV4)
5200 /* Sanity check on user data */
5201 if (!isdigit(buf[0]))
5203 if (kstrtoul(buf, 0, &val))
5206 if (val < LPFC_CQ_MIN_PROC_LIMIT || val > LPFC_CQ_MAX_PROC_LIMIT)
5209 phba->cfg_cq_max_proc_limit = (uint32_t)val;
5211 /* set the values on the cq's */
5212 for (i = 0; i < phba->cfg_irq_chann; i++) {
5213 /* Get the EQ corresponding to the IRQ vector */
5214 eq = phba->sli4_hba.hba_eq_hdl[i].eq;
5218 list_for_each_entry(cq, &eq->child_list, list)
5219 cq->max_proc_limit = min(phba->cfg_cq_max_proc_limit,
5227 * lpfc_cq_max_proc_limit: The maximum number CQE entries processed in an
5228 * itteration of CQ processing.
5230 static int lpfc_cq_max_proc_limit = LPFC_CQ_DEF_MAX_PROC_LIMIT;
5231 module_param(lpfc_cq_max_proc_limit, int, 0644);
5232 MODULE_PARM_DESC(lpfc_cq_max_proc_limit,
5233 "Set the maximum number CQEs processed in an iteration of "
5235 lpfc_param_show(cq_max_proc_limit)
5238 * lpfc_cq_poll_threshold: Set the threshold of CQE completions in a
5239 * single handler call which should request a polled completion rather
5240 * than re-enabling interrupts.
5242 LPFC_ATTR_RW(cq_poll_threshold, LPFC_CQ_DEF_THRESHOLD_TO_POLL,
5243 LPFC_CQ_MIN_THRESHOLD_TO_POLL,
5244 LPFC_CQ_MAX_THRESHOLD_TO_POLL,
5245 "CQE Processing Threshold to enable Polling");
5248 * lpfc_cq_max_proc_limit_init - Set the initial cq max_proc_limit
5249 * @phba: lpfc_hba pointer.
5253 * If val is in a valid range, then initialize the adapter's maximum
5257 * Always returns 0 for success, even if value not always set to
5258 * requested value. If value out of range or not supported, will fall
5262 lpfc_cq_max_proc_limit_init(struct lpfc_hba *phba, int val)
5264 phba->cfg_cq_max_proc_limit = LPFC_CQ_DEF_MAX_PROC_LIMIT;
5266 if (phba->sli_rev != LPFC_SLI_REV4)
5269 if (val >= LPFC_CQ_MIN_PROC_LIMIT && val <= LPFC_CQ_MAX_PROC_LIMIT) {
5270 phba->cfg_cq_max_proc_limit = val;
5274 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5275 "0371 "LPFC_DRIVER_NAME"_cq_max_proc_limit: "
5276 "%d out of range, using default\n",
5277 phba->cfg_cq_max_proc_limit);
5282 static DEVICE_ATTR_RW(lpfc_cq_max_proc_limit);
5285 * lpfc_state_show - Display current driver CPU affinity
5286 * @dev: class converted to a Scsi_host structure.
5287 * @attr: device attribute, not used.
5288 * @buf: on return contains text describing the state of the link.
5290 * Returns: size of formatted string.
5293 lpfc_fcp_cpu_map_show(struct device *dev, struct device_attribute *attr,
5296 struct Scsi_Host *shost = class_to_shost(dev);
5297 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
5298 struct lpfc_hba *phba = vport->phba;
5299 struct lpfc_vector_map_info *cpup;
5302 if ((phba->sli_rev != LPFC_SLI_REV4) ||
5303 (phba->intr_type != MSIX))
5306 switch (phba->cfg_fcp_cpu_map) {
5308 len += scnprintf(buf + len, PAGE_SIZE-len,
5309 "fcp_cpu_map: No mapping (%d)\n",
5310 phba->cfg_fcp_cpu_map);
5313 len += scnprintf(buf + len, PAGE_SIZE-len,
5314 "fcp_cpu_map: HBA centric mapping (%d): "
5315 "%d of %d CPUs online from %d possible CPUs\n",
5316 phba->cfg_fcp_cpu_map, num_online_cpus(),
5318 phba->sli4_hba.num_possible_cpu);
5322 while (phba->sli4_hba.curr_disp_cpu <
5323 phba->sli4_hba.num_possible_cpu) {
5324 cpup = &phba->sli4_hba.cpu_map[phba->sli4_hba.curr_disp_cpu];
5326 if (!cpu_present(phba->sli4_hba.curr_disp_cpu))
5327 len += scnprintf(buf + len, PAGE_SIZE - len,
5328 "CPU %02d not present\n",
5329 phba->sli4_hba.curr_disp_cpu);
5330 else if (cpup->eq == LPFC_VECTOR_MAP_EMPTY) {
5331 if (cpup->hdwq == LPFC_VECTOR_MAP_EMPTY)
5333 buf + len, PAGE_SIZE - len,
5334 "CPU %02d hdwq None "
5335 "physid %d coreid %d ht %d ua %d\n",
5336 phba->sli4_hba.curr_disp_cpu,
5337 cpup->phys_id, cpup->core_id,
5338 (cpup->flag & LPFC_CPU_MAP_HYPER),
5339 (cpup->flag & LPFC_CPU_MAP_UNASSIGN));
5342 buf + len, PAGE_SIZE - len,
5343 "CPU %02d EQ None hdwq %04d "
5344 "physid %d coreid %d ht %d ua %d\n",
5345 phba->sli4_hba.curr_disp_cpu,
5346 cpup->hdwq, cpup->phys_id,
5348 (cpup->flag & LPFC_CPU_MAP_HYPER),
5349 (cpup->flag & LPFC_CPU_MAP_UNASSIGN));
5351 if (cpup->hdwq == LPFC_VECTOR_MAP_EMPTY)
5353 buf + len, PAGE_SIZE - len,
5354 "CPU %02d hdwq None "
5355 "physid %d coreid %d ht %d ua %d IRQ %d\n",
5356 phba->sli4_hba.curr_disp_cpu,
5359 (cpup->flag & LPFC_CPU_MAP_HYPER),
5360 (cpup->flag & LPFC_CPU_MAP_UNASSIGN),
5361 lpfc_get_irq(cpup->eq));
5364 buf + len, PAGE_SIZE - len,
5365 "CPU %02d EQ %04d hdwq %04d "
5366 "physid %d coreid %d ht %d ua %d IRQ %d\n",
5367 phba->sli4_hba.curr_disp_cpu,
5368 cpup->eq, cpup->hdwq, cpup->phys_id,
5370 (cpup->flag & LPFC_CPU_MAP_HYPER),
5371 (cpup->flag & LPFC_CPU_MAP_UNASSIGN),
5372 lpfc_get_irq(cpup->eq));
5375 phba->sli4_hba.curr_disp_cpu++;
5377 /* display max number of CPUs keeping some margin */
5378 if (phba->sli4_hba.curr_disp_cpu <
5379 phba->sli4_hba.num_possible_cpu &&
5380 (len >= (PAGE_SIZE - 64))) {
5381 len += scnprintf(buf + len,
5382 PAGE_SIZE - len, "more...\n");
5387 if (phba->sli4_hba.curr_disp_cpu == phba->sli4_hba.num_possible_cpu)
5388 phba->sli4_hba.curr_disp_cpu = 0;
5394 * lpfc_fcp_cpu_map_store - Change CPU affinity of driver vectors
5395 * @dev: class device that is converted into a Scsi_host.
5396 * @attr: device attribute, not used.
5397 * @buf: one or more lpfc_polling_flags values.
5401 * -EINVAL - Not implemented yet.
5404 lpfc_fcp_cpu_map_store(struct device *dev, struct device_attribute *attr,
5405 const char *buf, size_t count)
5407 int status = -EINVAL;
5412 # lpfc_fcp_cpu_map: Defines how to map CPUs to IRQ vectors
5415 # Value range is [0 to 1]. Default value is LPFC_HBA_CPU_MAP (1).
5416 # 0 - Do not affinitze IRQ vectors
5417 # 1 - Affintize HBA vectors with respect to each HBA
5418 # (start with CPU0 for each HBA)
5419 # This also defines how Hardware Queues are mapped to specific CPUs.
5421 static int lpfc_fcp_cpu_map = LPFC_HBA_CPU_MAP;
5422 module_param(lpfc_fcp_cpu_map, int, S_IRUGO|S_IWUSR);
5423 MODULE_PARM_DESC(lpfc_fcp_cpu_map,
5424 "Defines how to map CPUs to IRQ vectors per HBA");
5427 * lpfc_fcp_cpu_map_init - Set the initial sr-iov virtual function enable
5428 * @phba: lpfc_hba pointer.
5429 * @val: link speed value.
5432 * If val is in a valid range [0-2], then affinitze the adapter's
5436 * zero if val saved.
5437 * -EINVAL val out of range
5440 lpfc_fcp_cpu_map_init(struct lpfc_hba *phba, int val)
5442 if (phba->sli_rev != LPFC_SLI_REV4) {
5443 phba->cfg_fcp_cpu_map = 0;
5447 if (val >= LPFC_MIN_CPU_MAP && val <= LPFC_MAX_CPU_MAP) {
5448 phba->cfg_fcp_cpu_map = val;
5452 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5453 "3326 lpfc_fcp_cpu_map: %d out of range, using "
5455 phba->cfg_fcp_cpu_map = LPFC_HBA_CPU_MAP;
5460 static DEVICE_ATTR_RW(lpfc_fcp_cpu_map);
5463 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
5464 # Value range is [2,3]. Default value is 3.
5466 LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3,
5467 "Select Fibre Channel class of service for FCP sequences");
5470 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
5471 # is [0,1]. Default value is 0.
5473 LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1,
5474 "Use ADISC on rediscovery to authenticate FCP devices");
5477 # lpfc_first_burst_size: First burst size to use on the NPorts
5478 # that support first burst.
5479 # Value range is [0,65536]. Default value is 0.
5481 LPFC_VPORT_ATTR_RW(first_burst_size, 0, 0, 65536,
5482 "First burst size for Targets that support first burst");
5485 * lpfc_nvmet_fb_size: NVME Target mode supported first burst size.
5486 * When the driver is configured as an NVME target, this value is
5487 * communicated to the NVME initiator in the PRLI response. It is
5488 * used only when the lpfc_nvme_enable_fb and lpfc_nvmet_support
5489 * parameters are set and the target is sending the PRLI RSP.
5490 * Parameter supported on physical port only - no NPIV support.
5491 * Value range is [0,65536]. Default value is 0.
5493 LPFC_ATTR_RW(nvmet_fb_size, 0, 0, 65536,
5494 "NVME Target mode first burst size in 512B increments.");
5497 * lpfc_nvme_enable_fb: Enable NVME first burst on I and T functions.
5498 * For the Initiator (I), enabling this parameter means that an NVMET
5499 * PRLI response with FBA enabled and an FB_SIZE set to a nonzero value will be
5500 * processed by the initiator for subsequent NVME FCP IO.
5501 * Currently, this feature is not supported on the NVME target
5502 * Value range is [0,1]. Default value is 0 (disabled).
5504 LPFC_ATTR_RW(nvme_enable_fb, 0, 0, 1,
5505 "Enable First Burst feature for NVME Initiator.");
5508 # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue
5509 # depth. Default value is 0. When the value of this parameter is zero the
5510 # SCSI command completion time is not used for controlling I/O queue depth. When
5511 # the parameter is set to a non-zero value, the I/O queue depth is controlled
5512 # to limit the I/O completion time to the parameter value.
5513 # The value is set in milliseconds.
5515 LPFC_VPORT_ATTR(max_scsicmpl_time, 0, 0, 60000,
5516 "Use command completion time to control queue depth");
5518 lpfc_vport_param_show(max_scsicmpl_time);
5520 lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val)
5522 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
5523 struct lpfc_nodelist *ndlp, *next_ndlp;
5525 if (val == vport->cfg_max_scsicmpl_time)
5527 if ((val < 0) || (val > 60000))
5529 vport->cfg_max_scsicmpl_time = val;
5531 spin_lock_irq(shost->host_lock);
5532 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
5533 if (!NLP_CHK_NODE_ACT(ndlp))
5535 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
5537 ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth;
5539 spin_unlock_irq(shost->host_lock);
5542 lpfc_vport_param_store(max_scsicmpl_time);
5543 static DEVICE_ATTR_RW(lpfc_max_scsicmpl_time);
5546 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
5547 # range is [0,1]. Default value is 0.
5549 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
5552 # lpfc_xri_rebalancing: enable or disable XRI rebalancing feature
5553 # range is [0,1]. Default value is 1.
5555 LPFC_ATTR_R(xri_rebalancing, 1, 0, 1, "Enable/Disable XRI rebalancing");
5558 * lpfc_io_sched: Determine scheduling algrithmn for issuing FCP cmds
5559 * range is [0,1]. Default value is 0.
5560 * For [0], FCP commands are issued to Work Queues based on upper layer
5561 * hardware queue index.
5562 * For [1], FCP commands are issued to a Work Queue associated with the
5565 * LPFC_FCP_SCHED_BY_HDWQ == 0
5566 * LPFC_FCP_SCHED_BY_CPU == 1
5568 * The driver dynamically sets this to 1 (BY_CPU) if it's able to set up cpu
5569 * affinity for FCP/NVME I/Os through Work Queues associated with the current
5570 * CPU. Otherwise, the default 0 (Round Robin) scheduling of FCP/NVME I/Os
5571 * through WQs will be used.
5573 LPFC_ATTR_RW(fcp_io_sched, LPFC_FCP_SCHED_BY_CPU,
5574 LPFC_FCP_SCHED_BY_HDWQ,
5575 LPFC_FCP_SCHED_BY_CPU,
5576 "Determine scheduling algorithm for "
5577 "issuing commands [0] - Hardware Queue, [1] - Current CPU");
5580 * lpfc_ns_query: Determine algrithmn for NameServer queries after RSCN
5581 * range is [0,1]. Default value is 0.
5582 * For [0], GID_FT is used for NameServer queries after RSCN (default)
5583 * For [1], GID_PT is used for NameServer queries after RSCN
5586 LPFC_ATTR_RW(ns_query, LPFC_NS_QUERY_GID_FT,
5587 LPFC_NS_QUERY_GID_FT, LPFC_NS_QUERY_GID_PT,
5588 "Determine algorithm NameServer queries after RSCN "
5589 "[0] - GID_FT, [1] - GID_PT");
5592 # lpfc_fcp2_no_tgt_reset: Determine bus reset behavior
5593 # range is [0,1]. Default value is 0.
5594 # For [0], bus reset issues target reset to ALL devices
5595 # For [1], bus reset issues target reset to non-FCP2 devices
5597 LPFC_ATTR_RW(fcp2_no_tgt_reset, 0, 0, 1, "Determine bus reset behavior for "
5598 "FCP2 devices [0] - issue tgt reset, [1] - no tgt reset");
5602 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
5603 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
5604 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
5605 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
5606 # cr_delay is set to 0.
5608 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
5609 "interrupt response is generated");
5611 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
5612 "interrupt response is generated");
5615 # lpfc_multi_ring_support: Determines how many rings to spread available
5616 # cmd/rsp IOCB entries across.
5617 # Value range is [1,2]. Default value is 1.
5619 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
5620 "SLI rings to spread IOCB entries across");
5623 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
5624 # identifies what rctl value to configure the additional ring for.
5625 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
5627 LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1,
5628 255, "Identifies RCTL for additional ring configuration");
5631 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
5632 # identifies what type value to configure the additional ring for.
5633 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
5635 LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1,
5636 255, "Identifies TYPE for additional ring configuration");
5639 # lpfc_enable_SmartSAN: Sets up FDMI support for SmartSAN
5640 # 0 = SmartSAN functionality disabled (default)
5641 # 1 = SmartSAN functionality enabled
5642 # This parameter will override the value of lpfc_fdmi_on module parameter.
5643 # Value range is [0,1]. Default value is 0.
5645 LPFC_ATTR_R(enable_SmartSAN, 0, 0, 1, "Enable SmartSAN functionality");
5648 # lpfc_fdmi_on: Controls FDMI support.
5650 # 1 Traditional FDMI support (default)
5651 # Traditional FDMI support means the driver will assume FDMI-2 support;
5652 # however, if that fails, it will fallback to FDMI-1.
5653 # If lpfc_enable_SmartSAN is set to 1, the driver ignores lpfc_fdmi_on.
5654 # If lpfc_enable_SmartSAN is set 0, the driver uses the current value of
5656 # Value range [0,1]. Default value is 1.
5658 LPFC_ATTR_R(fdmi_on, 1, 0, 1, "Enable FDMI support");
5661 # Specifies the maximum number of ELS cmds we can have outstanding (for
5662 # discovery). Value range is [1,64]. Default value = 32.
5664 LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
5665 "during discovery");
5668 # lpfc_max_luns: maximum allowed LUN ID. This is the highest LUN ID that
5669 # will be scanned by the SCSI midlayer when sequential scanning is
5670 # used; and is also the highest LUN ID allowed when the SCSI midlayer
5671 # parses REPORT_LUN responses. The lpfc driver has no LUN count or
5672 # LUN ID limit, but the SCSI midlayer requires this field for the uses
5673 # above. The lpfc driver limits the default value to 255 for two reasons.
5674 # As it bounds the sequential scan loop, scanning for thousands of luns
5675 # on a target can take minutes of wall clock time. Additionally,
5676 # there are FC targets, such as JBODs, that only recognize 8-bits of
5677 # LUN ID. When they receive a value greater than 8 bits, they chop off
5678 # the high order bits. In other words, they see LUN IDs 0, 256, 512,
5679 # and so on all as LUN ID 0. This causes the linux kernel, which sees
5680 # valid responses at each of the LUN IDs, to believe there are multiple
5681 # devices present, when in fact, there is only 1.
5682 # A customer that is aware of their target behaviors, and the results as
5683 # indicated above, is welcome to increase the lpfc_max_luns value.
5684 # As mentioned, this value is not used by the lpfc driver, only the
5686 # Value range is [0,65535]. Default value is 255.
5687 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
5689 LPFC_VPORT_ULL_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN ID");
5692 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
5693 # Value range is [1,255], default value is 10.
5695 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
5696 "Milliseconds driver will wait between polling FCP ring");
5699 # lpfc_task_mgmt_tmo: Maximum time to wait for task management commands
5700 # to complete in seconds. Value range is [5,180], default value is 60.
5702 LPFC_ATTR_RW(task_mgmt_tmo, 60, 5, 180,
5703 "Maximum time to wait for task management commands to complete");
5705 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
5706 # support this feature
5709 # 2 = MSI-X enabled (default)
5710 # Value range is [0,2]. Default value is 2.
5712 LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or "
5713 "MSI-X (2), if possible");
5716 * lpfc_nvme_oas: Use the oas bit when sending NVME/NVMET IOs
5718 * 0 = NVME OAS disabled
5719 * 1 = NVME OAS enabled
5721 * Value range is [0,1]. Default value is 0.
5723 LPFC_ATTR_RW(nvme_oas, 0, 0, 1,
5724 "Use OAS bit on NVME IOs");
5727 * lpfc_nvme_embed_cmd: Use the oas bit when sending NVME/NVMET IOs
5729 * 0 = Put NVME Command in SGL
5730 * 1 = Embed NVME Command in WQE (unless G7)
5731 * 2 = Embed NVME Command in WQE (force)
5733 * Value range is [0,2]. Default value is 1.
5735 LPFC_ATTR_RW(nvme_embed_cmd, 1, 0, 2,
5736 "Embed NVME Command in WQE");
5739 * lpfc_fcp_mq_threshold: Set the maximum number of Hardware Queues
5740 * the driver will advertise it supports to the SCSI layer.
5742 * 0 = Set nr_hw_queues by the number of CPUs or HW queues.
5743 * 1,256 = Manually specify nr_hw_queue value to be advertised,
5745 * Value range is [0,256]. Default value is 8.
5747 LPFC_ATTR_R(fcp_mq_threshold, LPFC_FCP_MQ_THRESHOLD_DEF,
5748 LPFC_FCP_MQ_THRESHOLD_MIN, LPFC_FCP_MQ_THRESHOLD_MAX,
5749 "Set the number of SCSI Queues advertised");
5752 * lpfc_hdw_queue: Set the number of Hardware Queues the driver
5753 * will advertise it supports to the NVME and SCSI layers. This also
5754 * will map to the number of CQ/WQ pairs the driver will create.
5756 * The NVME Layer will try to create this many, plus 1 administrative
5757 * hardware queue. The administrative queue will always map to WQ 0
5758 * A hardware IO queue maps (qidx) to a specific driver CQ/WQ.
5760 * 0 = Configure the number of hdw queues to the number of active CPUs.
5761 * 1,256 = Manually specify how many hdw queues to use.
5763 * Value range is [0,256]. Default value is 0.
5765 LPFC_ATTR_R(hdw_queue,
5767 LPFC_HBA_HDWQ_MIN, LPFC_HBA_HDWQ_MAX,
5768 "Set the number of I/O Hardware Queues");
5771 lpfc_assign_default_irq_numa(struct lpfc_hba *phba)
5773 #if IS_ENABLED(CONFIG_X86)
5774 /* If AMD architecture, then default is LPFC_IRQ_CHANN_NUMA */
5775 if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD)
5776 phba->cfg_irq_numa = 1;
5778 phba->cfg_irq_numa = 0;
5780 phba->cfg_irq_numa = 0;
5785 * lpfc_irq_chann: Set the number of IRQ vectors that are available
5786 * for Hardware Queues to utilize. This also will map to the number
5787 * of EQ / MSI-X vectors the driver will create. This should never be
5788 * more than the number of Hardware Queues
5790 * 0 = Configure number of IRQ Channels to:
5791 * if AMD architecture, number of CPUs on HBA's NUMA node
5792 * otherwise, number of active CPUs.
5793 * [1,256] = Manually specify how many IRQ Channels to use.
5795 * Value range is [0,256]. Default value is [0].
5797 static uint lpfc_irq_chann = LPFC_IRQ_CHANN_DEF;
5798 module_param(lpfc_irq_chann, uint, 0444);
5799 MODULE_PARM_DESC(lpfc_irq_chann, "Set number of interrupt vectors to allocate");
5801 /* lpfc_irq_chann_init - Set the hba irq_chann initial value
5802 * @phba: lpfc_hba pointer.
5803 * @val: contains the initial value
5806 * Validates the initial value is within range and assigns it to the
5807 * adapter. If not in range, an error message is posted and the
5808 * default value is assigned.
5811 * zero if value is in range and is set
5812 * -EINVAL if value was out of range
5815 lpfc_irq_chann_init(struct lpfc_hba *phba, uint32_t val)
5817 const struct cpumask *numa_mask;
5819 if (phba->cfg_use_msi != 2) {
5820 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5821 "8532 use_msi = %u ignoring cfg_irq_numa\n",
5823 phba->cfg_irq_numa = 0;
5824 phba->cfg_irq_chann = LPFC_IRQ_CHANN_MIN;
5828 /* Check if default setting was passed */
5829 if (val == LPFC_IRQ_CHANN_DEF)
5830 lpfc_assign_default_irq_numa(phba);
5832 if (phba->cfg_irq_numa) {
5833 numa_mask = &phba->sli4_hba.numa_mask;
5835 if (cpumask_empty(numa_mask)) {
5836 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5837 "8533 Could not identify NUMA node, "
5838 "ignoring cfg_irq_numa\n");
5839 phba->cfg_irq_numa = 0;
5840 phba->cfg_irq_chann = LPFC_IRQ_CHANN_MIN;
5842 phba->cfg_irq_chann = cpumask_weight(numa_mask);
5843 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5844 "8543 lpfc_irq_chann set to %u "
5845 "(numa)\n", phba->cfg_irq_chann);
5848 if (val > LPFC_IRQ_CHANN_MAX) {
5849 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5850 "8545 lpfc_irq_chann attribute cannot "
5851 "be set to %u, allowed range is "
5855 LPFC_IRQ_CHANN_MAX);
5856 phba->cfg_irq_chann = LPFC_IRQ_CHANN_MIN;
5859 phba->cfg_irq_chann = val;
5866 * lpfc_irq_chann_show - Display value of irq_chann
5867 * @dev: class converted to a Scsi_host structure.
5868 * @attr: device attribute, not used.
5869 * @buf: on return contains a string with the list sizes
5871 * Returns: size of formatted string.
5874 lpfc_irq_chann_show(struct device *dev, struct device_attribute *attr,
5877 struct Scsi_Host *shost = class_to_shost(dev);
5878 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
5879 struct lpfc_hba *phba = vport->phba;
5881 return scnprintf(buf, PAGE_SIZE, "%u\n", phba->cfg_irq_chann);
5884 static DEVICE_ATTR_RO(lpfc_irq_chann);
5887 # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
5888 # 0 = HBA resets disabled
5889 # 1 = HBA resets enabled (default)
5890 # 2 = HBA reset via PCI bus reset enabled
5891 # Value range is [0,2]. Default value is 1.
5893 LPFC_ATTR_RW(enable_hba_reset, 1, 0, 2, "Enable HBA resets from the driver.");
5896 # lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer..
5897 # 0 = HBA Heartbeat disabled
5898 # 1 = HBA Heartbeat enabled (default)
5899 # Value range is [0,1]. Default value is 1.
5901 LPFC_ATTR_R(enable_hba_heartbeat, 0, 0, 1, "Enable HBA Heartbeat.");
5904 # lpfc_EnableXLane: Enable Express Lane Feature
5905 # 0x0 Express Lane Feature disabled
5906 # 0x1 Express Lane Feature enabled
5907 # Value range is [0,1]. Default value is 0.
5909 LPFC_ATTR_R(EnableXLane, 0, 0, 1, "Enable Express Lane Feature.");
5912 # lpfc_XLanePriority: Define CS_CTL priority for Express Lane Feature
5913 # 0x0 - 0x7f = CS_CTL field in FC header (high 7 bits)
5914 # Value range is [0x0,0x7f]. Default value is 0
5916 LPFC_ATTR_RW(XLanePriority, 0, 0x0, 0x7f, "CS_CTL for Express Lane Feature.");
5919 # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF)
5920 # 0 = BlockGuard disabled (default)
5921 # 1 = BlockGuard enabled
5922 # Value range is [0,1]. Default value is 0.
5924 LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support");
5928 # - Bit mask of host protection capabilities used to register with the
5930 # - Only meaningful if BG is turned on (lpfc_enable_bg=1).
5931 # - Allows you to ultimately specify which profiles to use
5932 # - Default will result in registering capabilities for all profiles.
5933 # - SHOST_DIF_TYPE1_PROTECTION 1
5934 # HBA supports T10 DIF Type 1: HBA to Target Type 1 Protection
5935 # - SHOST_DIX_TYPE0_PROTECTION 8
5936 # HBA supports DIX Type 0: Host to HBA protection only
5937 # - SHOST_DIX_TYPE1_PROTECTION 16
5938 # HBA supports DIX Type 1: Host to HBA Type 1 protection
5941 LPFC_ATTR(prot_mask,
5942 (SHOST_DIF_TYPE1_PROTECTION |
5943 SHOST_DIX_TYPE0_PROTECTION |
5944 SHOST_DIX_TYPE1_PROTECTION),
5946 (SHOST_DIF_TYPE1_PROTECTION |
5947 SHOST_DIX_TYPE0_PROTECTION |
5948 SHOST_DIX_TYPE1_PROTECTION),
5949 "T10-DIF host protection capabilities mask");
5952 # lpfc_prot_guard: i
5953 # - Bit mask of protection guard types to register with the SCSI mid-layer
5954 # - Guard types are currently either 1) T10-DIF CRC 2) IP checksum
5955 # - Allows you to ultimately specify which profiles to use
5956 # - Default will result in registering capabilities for all guard types
5959 LPFC_ATTR(prot_guard,
5960 SHOST_DIX_GUARD_IP, SHOST_DIX_GUARD_CRC, SHOST_DIX_GUARD_IP,
5961 "T10-DIF host protection guard type");
5964 * Delay initial NPort discovery when Clean Address bit is cleared in
5965 * FLOGI/FDISC accept and FCID/Fabric name/Fabric portname is changed.
5966 * This parameter can have value 0 or 1.
5967 * When this parameter is set to 0, no delay is added to the initial
5969 * When this parameter is set to non-zero value, initial Nport discovery is
5970 * delayed by ra_tov seconds when Clean Address bit is cleared in FLOGI/FDISC
5971 * accept and FCID/Fabric name/Fabric portname is changed.
5972 * Driver always delay Nport discovery for subsequent FLOGI/FDISC completion
5973 * when Clean Address bit is cleared in FLOGI/FDISC
5974 * accept and FCID/Fabric name/Fabric portname is changed.
5975 * Default value is 0.
5977 LPFC_ATTR(delay_discovery, 0, 0, 1,
5978 "Delay NPort discovery when Clean Address bit is cleared.");
5981 * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count
5982 * This value can be set to values between 64 and 4096. The default value
5983 * is 64, but may be increased to allow for larger Max I/O sizes. The scsi
5984 * and nvme layers will allow I/O sizes up to (MAX_SEG_COUNT * SEG_SIZE).
5985 * Because of the additional overhead involved in setting up T10-DIF,
5986 * this parameter will be limited to 128 if BlockGuard is enabled under SLI4
5987 * and will be limited to 512 if BlockGuard is enabled under SLI3.
5989 static uint lpfc_sg_seg_cnt = LPFC_DEFAULT_SG_SEG_CNT;
5990 module_param(lpfc_sg_seg_cnt, uint, 0444);
5991 MODULE_PARM_DESC(lpfc_sg_seg_cnt, "Max Scatter Gather Segment Count");
5994 * lpfc_sg_seg_cnt_show - Display the scatter/gather list sizes
5995 * configured for the adapter
5996 * @dev: class converted to a Scsi_host structure.
5997 * @attr: device attribute, not used.
5998 * @buf: on return contains a string with the list sizes
6000 * Returns: size of formatted string.
6003 lpfc_sg_seg_cnt_show(struct device *dev, struct device_attribute *attr,
6006 struct Scsi_Host *shost = class_to_shost(dev);
6007 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
6008 struct lpfc_hba *phba = vport->phba;
6011 len = scnprintf(buf, PAGE_SIZE, "SGL sz: %d total SGEs: %d\n",
6012 phba->cfg_sg_dma_buf_size, phba->cfg_total_seg_cnt);
6014 len += scnprintf(buf + len, PAGE_SIZE, "Cfg: %d SCSI: %d NVME: %d\n",
6015 phba->cfg_sg_seg_cnt, phba->cfg_scsi_seg_cnt,
6016 phba->cfg_nvme_seg_cnt);
6020 static DEVICE_ATTR_RO(lpfc_sg_seg_cnt);
6023 * lpfc_sg_seg_cnt_init - Set the hba sg_seg_cnt initial value
6024 * @phba: lpfc_hba pointer.
6025 * @val: contains the initial value
6028 * Validates the initial value is within range and assigns it to the
6029 * adapter. If not in range, an error message is posted and the
6030 * default value is assigned.
6033 * zero if value is in range and is set
6034 * -EINVAL if value was out of range
6037 lpfc_sg_seg_cnt_init(struct lpfc_hba *phba, int val)
6039 if (val >= LPFC_MIN_SG_SEG_CNT && val <= LPFC_MAX_SG_SEG_CNT) {
6040 phba->cfg_sg_seg_cnt = val;
6043 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6044 "0409 "LPFC_DRIVER_NAME"_sg_seg_cnt attribute cannot "
6045 "be set to %d, allowed range is [%d, %d]\n",
6046 val, LPFC_MIN_SG_SEG_CNT, LPFC_MAX_SG_SEG_CNT);
6047 phba->cfg_sg_seg_cnt = LPFC_DEFAULT_SG_SEG_CNT;
6052 * lpfc_enable_mds_diags: Enable MDS Diagnostics
6053 * 0 = MDS Diagnostics disabled (default)
6054 * 1 = MDS Diagnostics enabled
6055 * Value range is [0,1]. Default value is 0.
6057 LPFC_ATTR_RW(enable_mds_diags, 0, 0, 1, "Enable MDS Diagnostics");
6060 * lpfc_ras_fwlog_buffsize: Firmware logging host buffer size
6061 * 0 = Disable firmware logging (default)
6062 * [1-4] = Multiple of 1/4th Mb of host memory for FW logging
6063 * Value range [0..4]. Default value is 0
6065 LPFC_ATTR(ras_fwlog_buffsize, 0, 0, 4, "Host memory for FW logging");
6066 lpfc_param_show(ras_fwlog_buffsize);
6069 lpfc_ras_fwlog_buffsize_set(struct lpfc_hba *phba, uint val)
6072 enum ras_state state;
6074 if (!lpfc_rangecheck(val, 0, 4))
6077 if (phba->cfg_ras_fwlog_buffsize == val)
6080 if (phba->cfg_ras_fwlog_func != PCI_FUNC(phba->pcidev->devfn))
6083 spin_lock_irq(&phba->hbalock);
6084 state = phba->ras_fwlog.state;
6085 spin_unlock_irq(&phba->hbalock);
6087 if (state == REG_INPROGRESS) {
6088 lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "6147 RAS Logging "
6089 "registration is in progress\n");
6093 /* For disable logging: stop the logs and free the DMA.
6094 * For ras_fwlog_buffsize size change we still need to free and
6095 * reallocate the DMA in lpfc_sli4_ras_fwlog_init.
6097 phba->cfg_ras_fwlog_buffsize = val;
6098 if (state == ACTIVE) {
6099 lpfc_ras_stop_fwlog(phba);
6100 lpfc_sli4_ras_dma_free(phba);
6103 lpfc_sli4_ras_init(phba);
6104 if (phba->ras_fwlog.ras_enabled)
6105 ret = lpfc_sli4_ras_fwlog_init(phba, phba->cfg_ras_fwlog_level,
6106 LPFC_RAS_ENABLE_LOGGING);
6110 lpfc_param_store(ras_fwlog_buffsize);
6111 static DEVICE_ATTR_RW(lpfc_ras_fwlog_buffsize);
6114 * lpfc_ras_fwlog_level: Firmware logging verbosity level
6115 * Valid only if firmware logging is enabled
6116 * 0(Least Verbosity) 4 (most verbosity)
6117 * Value range is [0..4]. Default value is 0
6119 LPFC_ATTR_RW(ras_fwlog_level, 0, 0, 4, "Firmware Logging Level");
6122 * lpfc_ras_fwlog_func: Firmware logging enabled on function number
6123 * Default function which has RAS support : 0
6124 * Value Range is [0..7].
6125 * FW logging is a global action and enablement is via a specific
6128 LPFC_ATTR_RW(ras_fwlog_func, 0, 0, 7, "Firmware Logging Enabled on Function");
6131 * lpfc_enable_bbcr: Enable BB Credit Recovery
6132 * 0 = BB Credit Recovery disabled
6133 * 1 = BB Credit Recovery enabled (default)
6134 * Value range is [0,1]. Default value is 1.
6136 LPFC_BBCR_ATTR_RW(enable_bbcr, 1, 0, 1, "Enable BBC Recovery");
6139 * lpfc_enable_dpp: Enable DPP on G7
6140 * 0 = DPP on G7 disabled
6141 * 1 = DPP on G7 enabled (default)
6142 * Value range is [0,1]. Default value is 1.
6144 LPFC_ATTR_RW(enable_dpp, 1, 0, 1, "Enable Direct Packet Push");
6146 struct device_attribute *lpfc_hba_attrs[] = {
6147 &dev_attr_nvme_info,
6148 &dev_attr_scsi_stat,
6150 &dev_attr_bg_guard_err,
6151 &dev_attr_bg_apptag_err,
6152 &dev_attr_bg_reftag_err,
6154 &dev_attr_serialnum,
6155 &dev_attr_modeldesc,
6156 &dev_attr_modelname,
6157 &dev_attr_programtype,
6161 &dev_attr_option_rom_version,
6162 &dev_attr_link_state,
6163 &dev_attr_num_discovered_ports,
6164 &dev_attr_menlo_mgmt_mode,
6165 &dev_attr_lpfc_drvr_version,
6166 &dev_attr_lpfc_enable_fip,
6167 &dev_attr_lpfc_temp_sensor,
6168 &dev_attr_lpfc_log_verbose,
6169 &dev_attr_lpfc_lun_queue_depth,
6170 &dev_attr_lpfc_tgt_queue_depth,
6171 &dev_attr_lpfc_hba_queue_depth,
6172 &dev_attr_lpfc_peer_port_login,
6173 &dev_attr_lpfc_nodev_tmo,
6174 &dev_attr_lpfc_devloss_tmo,
6175 &dev_attr_lpfc_enable_fc4_type,
6176 &dev_attr_lpfc_fcp_class,
6177 &dev_attr_lpfc_use_adisc,
6178 &dev_attr_lpfc_first_burst_size,
6179 &dev_attr_lpfc_ack0,
6180 &dev_attr_lpfc_xri_rebalancing,
6181 &dev_attr_lpfc_topology,
6182 &dev_attr_lpfc_scan_down,
6183 &dev_attr_lpfc_link_speed,
6184 &dev_attr_lpfc_fcp_io_sched,
6185 &dev_attr_lpfc_ns_query,
6186 &dev_attr_lpfc_fcp2_no_tgt_reset,
6187 &dev_attr_lpfc_cr_delay,
6188 &dev_attr_lpfc_cr_count,
6189 &dev_attr_lpfc_multi_ring_support,
6190 &dev_attr_lpfc_multi_ring_rctl,
6191 &dev_attr_lpfc_multi_ring_type,
6192 &dev_attr_lpfc_fdmi_on,
6193 &dev_attr_lpfc_enable_SmartSAN,
6194 &dev_attr_lpfc_max_luns,
6195 &dev_attr_lpfc_enable_npiv,
6196 &dev_attr_lpfc_fcf_failover_policy,
6197 &dev_attr_lpfc_enable_rrq,
6198 &dev_attr_nport_evt_cnt,
6199 &dev_attr_board_mode,
6206 &dev_attr_npiv_info,
6207 &dev_attr_issue_reset,
6208 &dev_attr_lpfc_poll,
6209 &dev_attr_lpfc_poll_tmo,
6210 &dev_attr_lpfc_task_mgmt_tmo,
6211 &dev_attr_lpfc_use_msi,
6212 &dev_attr_lpfc_nvme_oas,
6213 &dev_attr_lpfc_nvme_embed_cmd,
6214 &dev_attr_lpfc_fcp_imax,
6215 &dev_attr_lpfc_force_rscn,
6216 &dev_attr_lpfc_cq_poll_threshold,
6217 &dev_attr_lpfc_cq_max_proc_limit,
6218 &dev_attr_lpfc_fcp_cpu_map,
6219 &dev_attr_lpfc_fcp_mq_threshold,
6220 &dev_attr_lpfc_hdw_queue,
6221 &dev_attr_lpfc_irq_chann,
6222 &dev_attr_lpfc_suppress_rsp,
6223 &dev_attr_lpfc_nvmet_mrq,
6224 &dev_attr_lpfc_nvmet_mrq_post,
6225 &dev_attr_lpfc_nvme_enable_fb,
6226 &dev_attr_lpfc_nvmet_fb_size,
6227 &dev_attr_lpfc_enable_bg,
6228 &dev_attr_lpfc_soft_wwnn,
6229 &dev_attr_lpfc_soft_wwpn,
6230 &dev_attr_lpfc_soft_wwn_enable,
6231 &dev_attr_lpfc_enable_hba_reset,
6232 &dev_attr_lpfc_enable_hba_heartbeat,
6233 &dev_attr_lpfc_EnableXLane,
6234 &dev_attr_lpfc_XLanePriority,
6235 &dev_attr_lpfc_xlane_lun,
6236 &dev_attr_lpfc_xlane_tgt,
6237 &dev_attr_lpfc_xlane_vpt,
6238 &dev_attr_lpfc_xlane_lun_state,
6239 &dev_attr_lpfc_xlane_lun_status,
6240 &dev_attr_lpfc_xlane_priority,
6241 &dev_attr_lpfc_sg_seg_cnt,
6242 &dev_attr_lpfc_max_scsicmpl_time,
6243 &dev_attr_lpfc_stat_data_ctrl,
6244 &dev_attr_lpfc_aer_support,
6245 &dev_attr_lpfc_aer_state_cleanup,
6246 &dev_attr_lpfc_sriov_nr_virtfn,
6247 &dev_attr_lpfc_req_fw_upgrade,
6248 &dev_attr_lpfc_suppress_link_up,
6253 &dev_attr_txcmplq_hw,
6254 &dev_attr_lpfc_fips_level,
6255 &dev_attr_lpfc_fips_rev,
6257 &dev_attr_lpfc_sriov_hw_max_virtfn,
6259 &dev_attr_lpfc_xlane_supported,
6260 &dev_attr_lpfc_enable_mds_diags,
6261 &dev_attr_lpfc_ras_fwlog_buffsize,
6262 &dev_attr_lpfc_ras_fwlog_level,
6263 &dev_attr_lpfc_ras_fwlog_func,
6264 &dev_attr_lpfc_enable_bbcr,
6265 &dev_attr_lpfc_enable_dpp,
6269 struct device_attribute *lpfc_vport_attrs[] = {
6271 &dev_attr_link_state,
6272 &dev_attr_num_discovered_ports,
6273 &dev_attr_lpfc_drvr_version,
6274 &dev_attr_lpfc_log_verbose,
6275 &dev_attr_lpfc_lun_queue_depth,
6276 &dev_attr_lpfc_tgt_queue_depth,
6277 &dev_attr_lpfc_nodev_tmo,
6278 &dev_attr_lpfc_devloss_tmo,
6279 &dev_attr_lpfc_hba_queue_depth,
6280 &dev_attr_lpfc_peer_port_login,
6281 &dev_attr_lpfc_restrict_login,
6282 &dev_attr_lpfc_fcp_class,
6283 &dev_attr_lpfc_use_adisc,
6284 &dev_attr_lpfc_first_burst_size,
6285 &dev_attr_lpfc_max_luns,
6286 &dev_attr_nport_evt_cnt,
6287 &dev_attr_npiv_info,
6288 &dev_attr_lpfc_enable_da_id,
6289 &dev_attr_lpfc_max_scsicmpl_time,
6290 &dev_attr_lpfc_stat_data_ctrl,
6291 &dev_attr_lpfc_static_vport,
6292 &dev_attr_lpfc_fips_level,
6293 &dev_attr_lpfc_fips_rev,
6298 * sysfs_ctlreg_write - Write method for writing to ctlreg
6299 * @filp: open sysfs file
6300 * @kobj: kernel kobject that contains the kernel class device.
6301 * @bin_attr: kernel attributes passed to us.
6302 * @buf: contains the data to be written to the adapter IOREG space.
6303 * @off: offset into buffer to beginning of data.
6304 * @count: bytes to transfer.
6307 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
6308 * Uses the adapter io control registers to send buf contents to the adapter.
6311 * -ERANGE off and count combo out of range
6312 * -EINVAL off, count or buff address invalid
6313 * -EPERM adapter is offline
6314 * value of count, buf contents written
6317 sysfs_ctlreg_write(struct file *filp, struct kobject *kobj,
6318 struct bin_attribute *bin_attr,
6319 char *buf, loff_t off, size_t count)
6322 struct device *dev = container_of(kobj, struct device, kobj);
6323 struct Scsi_Host *shost = class_to_shost(dev);
6324 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6325 struct lpfc_hba *phba = vport->phba;
6327 if (phba->sli_rev >= LPFC_SLI_REV4)
6330 if ((off + count) > FF_REG_AREA_SIZE)
6333 if (count <= LPFC_REG_WRITE_KEY_SIZE)
6336 if (off % 4 || count % 4 || (unsigned long)buf % 4)
6339 /* This is to protect HBA registers from accidental writes. */
6340 if (memcmp(buf, LPFC_REG_WRITE_KEY, LPFC_REG_WRITE_KEY_SIZE))
6343 if (!(vport->fc_flag & FC_OFFLINE_MODE))
6346 spin_lock_irq(&phba->hbalock);
6347 for (buf_off = 0; buf_off < count - LPFC_REG_WRITE_KEY_SIZE;
6348 buf_off += sizeof(uint32_t))
6349 writel(*((uint32_t *)(buf + buf_off + LPFC_REG_WRITE_KEY_SIZE)),
6350 phba->ctrl_regs_memmap_p + off + buf_off);
6352 spin_unlock_irq(&phba->hbalock);
6358 * sysfs_ctlreg_read - Read method for reading from ctlreg
6359 * @filp: open sysfs file
6360 * @kobj: kernel kobject that contains the kernel class device.
6361 * @bin_attr: kernel attributes passed to us.
6362 * @buf: if successful contains the data from the adapter IOREG space.
6363 * @off: offset into buffer to beginning of data.
6364 * @count: bytes to transfer.
6367 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
6368 * Uses the adapter io control registers to read data into buf.
6371 * -ERANGE off and count combo out of range
6372 * -EINVAL off, count or buff address invalid
6373 * value of count, buf contents read
6376 sysfs_ctlreg_read(struct file *filp, struct kobject *kobj,
6377 struct bin_attribute *bin_attr,
6378 char *buf, loff_t off, size_t count)
6382 struct device *dev = container_of(kobj, struct device, kobj);
6383 struct Scsi_Host *shost = class_to_shost(dev);
6384 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6385 struct lpfc_hba *phba = vport->phba;
6387 if (phba->sli_rev >= LPFC_SLI_REV4)
6390 if (off > FF_REG_AREA_SIZE)
6393 if ((off + count) > FF_REG_AREA_SIZE)
6394 count = FF_REG_AREA_SIZE - off;
6396 if (count == 0) return 0;
6398 if (off % 4 || count % 4 || (unsigned long)buf % 4)
6401 spin_lock_irq(&phba->hbalock);
6403 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
6404 tmp_ptr = (uint32_t *)(buf + buf_off);
6405 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
6408 spin_unlock_irq(&phba->hbalock);
6413 static struct bin_attribute sysfs_ctlreg_attr = {
6416 .mode = S_IRUSR | S_IWUSR,
6419 .read = sysfs_ctlreg_read,
6420 .write = sysfs_ctlreg_write,
6424 * sysfs_mbox_write - Write method for writing information via mbox
6425 * @filp: open sysfs file
6426 * @kobj: kernel kobject that contains the kernel class device.
6427 * @bin_attr: kernel attributes passed to us.
6428 * @buf: contains the data to be written to sysfs mbox.
6429 * @off: offset into buffer to beginning of data.
6430 * @count: bytes to transfer.
6433 * Deprecated function. All mailbox access from user space is performed via the
6437 * -EPERM operation not permitted
6440 sysfs_mbox_write(struct file *filp, struct kobject *kobj,
6441 struct bin_attribute *bin_attr,
6442 char *buf, loff_t off, size_t count)
6448 * sysfs_mbox_read - Read method for reading information via mbox
6449 * @filp: open sysfs file
6450 * @kobj: kernel kobject that contains the kernel class device.
6451 * @bin_attr: kernel attributes passed to us.
6452 * @buf: contains the data to be read from sysfs mbox.
6453 * @off: offset into buffer to beginning of data.
6454 * @count: bytes to transfer.
6457 * Deprecated function. All mailbox access from user space is performed via the
6461 * -EPERM operation not permitted
6464 sysfs_mbox_read(struct file *filp, struct kobject *kobj,
6465 struct bin_attribute *bin_attr,
6466 char *buf, loff_t off, size_t count)
6471 static struct bin_attribute sysfs_mbox_attr = {
6474 .mode = S_IRUSR | S_IWUSR,
6476 .size = MAILBOX_SYSFS_MAX,
6477 .read = sysfs_mbox_read,
6478 .write = sysfs_mbox_write,
6482 * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries
6483 * @vport: address of lpfc vport structure.
6487 * error return code from sysfs_create_bin_file()
6490 lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
6492 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
6495 error = sysfs_create_bin_file(&shost->shost_dev.kobj,
6496 &sysfs_drvr_stat_data_attr);
6498 /* Virtual ports do not need ctrl_reg and mbox */
6499 if (error || vport->port_type == LPFC_NPIV_PORT)
6502 error = sysfs_create_bin_file(&shost->shost_dev.kobj,
6503 &sysfs_ctlreg_attr);
6505 goto out_remove_stat_attr;
6507 error = sysfs_create_bin_file(&shost->shost_dev.kobj,
6510 goto out_remove_ctlreg_attr;
6513 out_remove_ctlreg_attr:
6514 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
6515 out_remove_stat_attr:
6516 sysfs_remove_bin_file(&shost->shost_dev.kobj,
6517 &sysfs_drvr_stat_data_attr);
6523 * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries
6524 * @vport: address of lpfc vport structure.
6527 lpfc_free_sysfs_attr(struct lpfc_vport *vport)
6529 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
6530 sysfs_remove_bin_file(&shost->shost_dev.kobj,
6531 &sysfs_drvr_stat_data_attr);
6532 /* Virtual ports do not need ctrl_reg and mbox */
6533 if (vport->port_type == LPFC_NPIV_PORT)
6535 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr);
6536 sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
6540 * Dynamic FC Host Attributes Support
6544 * lpfc_get_host_symbolic_name - Copy symbolic name into the scsi host
6545 * @shost: kernel scsi host pointer.
6548 lpfc_get_host_symbolic_name(struct Scsi_Host *shost)
6550 struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
6552 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
6553 sizeof fc_host_symbolic_name(shost));
6557 * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id
6558 * @shost: kernel scsi host pointer.
6561 lpfc_get_host_port_id(struct Scsi_Host *shost)
6563 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6565 /* note: fc_myDID already in cpu endianness */
6566 fc_host_port_id(shost) = vport->fc_myDID;
6570 * lpfc_get_host_port_type - Set the value of the scsi host port type
6571 * @shost: kernel scsi host pointer.
6574 lpfc_get_host_port_type(struct Scsi_Host *shost)
6576 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6577 struct lpfc_hba *phba = vport->phba;
6579 spin_lock_irq(shost->host_lock);
6581 if (vport->port_type == LPFC_NPIV_PORT) {
6582 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
6583 } else if (lpfc_is_link_up(phba)) {
6584 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
6585 if (vport->fc_flag & FC_PUBLIC_LOOP)
6586 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
6588 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
6590 if (vport->fc_flag & FC_FABRIC)
6591 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
6593 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
6596 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
6598 spin_unlock_irq(shost->host_lock);
6602 * lpfc_get_host_port_state - Set the value of the scsi host port state
6603 * @shost: kernel scsi host pointer.
6606 lpfc_get_host_port_state(struct Scsi_Host *shost)
6608 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6609 struct lpfc_hba *phba = vport->phba;
6611 spin_lock_irq(shost->host_lock);
6613 if (vport->fc_flag & FC_OFFLINE_MODE)
6614 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
6616 switch (phba->link_state) {
6617 case LPFC_LINK_UNKNOWN:
6618 case LPFC_LINK_DOWN:
6619 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
6623 case LPFC_HBA_READY:
6624 /* Links up, reports port state accordingly */
6625 if (vport->port_state < LPFC_VPORT_READY)
6626 fc_host_port_state(shost) =
6627 FC_PORTSTATE_BYPASSED;
6629 fc_host_port_state(shost) =
6630 FC_PORTSTATE_ONLINE;
6632 case LPFC_HBA_ERROR:
6633 fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
6636 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
6641 spin_unlock_irq(shost->host_lock);
6645 * lpfc_get_host_speed - Set the value of the scsi host speed
6646 * @shost: kernel scsi host pointer.
6649 lpfc_get_host_speed(struct Scsi_Host *shost)
6651 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6652 struct lpfc_hba *phba = vport->phba;
6654 spin_lock_irq(shost->host_lock);
6656 if ((lpfc_is_link_up(phba)) && (!(phba->hba_flag & HBA_FCOE_MODE))) {
6657 switch(phba->fc_linkspeed) {
6658 case LPFC_LINK_SPEED_1GHZ:
6659 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
6661 case LPFC_LINK_SPEED_2GHZ:
6662 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
6664 case LPFC_LINK_SPEED_4GHZ:
6665 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
6667 case LPFC_LINK_SPEED_8GHZ:
6668 fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
6670 case LPFC_LINK_SPEED_10GHZ:
6671 fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
6673 case LPFC_LINK_SPEED_16GHZ:
6674 fc_host_speed(shost) = FC_PORTSPEED_16GBIT;
6676 case LPFC_LINK_SPEED_32GHZ:
6677 fc_host_speed(shost) = FC_PORTSPEED_32GBIT;
6679 case LPFC_LINK_SPEED_64GHZ:
6680 fc_host_speed(shost) = FC_PORTSPEED_64GBIT;
6682 case LPFC_LINK_SPEED_128GHZ:
6683 fc_host_speed(shost) = FC_PORTSPEED_128GBIT;
6686 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
6689 } else if (lpfc_is_link_up(phba) && (phba->hba_flag & HBA_FCOE_MODE)) {
6690 switch (phba->fc_linkspeed) {
6691 case LPFC_ASYNC_LINK_SPEED_10GBPS:
6692 fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
6694 case LPFC_ASYNC_LINK_SPEED_25GBPS:
6695 fc_host_speed(shost) = FC_PORTSPEED_25GBIT;
6697 case LPFC_ASYNC_LINK_SPEED_40GBPS:
6698 fc_host_speed(shost) = FC_PORTSPEED_40GBIT;
6700 case LPFC_ASYNC_LINK_SPEED_100GBPS:
6701 fc_host_speed(shost) = FC_PORTSPEED_100GBIT;
6704 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
6708 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
6710 spin_unlock_irq(shost->host_lock);
6714 * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name
6715 * @shost: kernel scsi host pointer.
6718 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
6720 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6721 struct lpfc_hba *phba = vport->phba;
6724 spin_lock_irq(shost->host_lock);
6726 if ((vport->port_state > LPFC_FLOGI) &&
6727 ((vport->fc_flag & FC_FABRIC) ||
6728 ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) &&
6729 (vport->fc_flag & FC_PUBLIC_LOOP))))
6730 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
6732 /* fabric is local port if there is no F/FL_Port */
6735 spin_unlock_irq(shost->host_lock);
6737 fc_host_fabric_name(shost) = node_name;
6741 * lpfc_get_stats - Return statistical information about the adapter
6742 * @shost: kernel scsi host pointer.
6745 * NULL on error for link down, no mbox pool, sli2 active,
6746 * management not allowed, memory allocation error, or mbox error.
6750 * address of the adapter host statistics
6752 static struct fc_host_statistics *
6753 lpfc_get_stats(struct Scsi_Host *shost)
6755 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6756 struct lpfc_hba *phba = vport->phba;
6757 struct lpfc_sli *psli = &phba->sli;
6758 struct fc_host_statistics *hs = &phba->link_stats;
6759 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
6760 LPFC_MBOXQ_t *pmboxq;
6765 * prevent udev from issuing mailbox commands until the port is
6768 if (phba->link_state < LPFC_LINK_DOWN ||
6769 !phba->mbox_mem_pool ||
6770 (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0)
6773 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
6776 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6779 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
6781 pmb = &pmboxq->u.mb;
6782 pmb->mbxCommand = MBX_READ_STATUS;
6783 pmb->mbxOwner = OWN_HOST;
6784 pmboxq->ctx_buf = NULL;
6785 pmboxq->vport = vport;
6787 if (vport->fc_flag & FC_OFFLINE_MODE)
6788 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
6790 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
6792 if (rc != MBX_SUCCESS) {
6793 if (rc != MBX_TIMEOUT)
6794 mempool_free(pmboxq, phba->mbox_mem_pool);
6798 memset(hs, 0, sizeof (struct fc_host_statistics));
6800 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
6802 * The MBX_READ_STATUS returns tx_k_bytes which has to
6803 * converted to words
6805 hs->tx_words = (uint64_t)
6806 ((uint64_t)pmb->un.varRdStatus.xmitByteCnt
6808 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
6809 hs->rx_words = (uint64_t)
6810 ((uint64_t)pmb->un.varRdStatus.rcvByteCnt
6813 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
6814 pmb->mbxCommand = MBX_READ_LNK_STAT;
6815 pmb->mbxOwner = OWN_HOST;
6816 pmboxq->ctx_buf = NULL;
6817 pmboxq->vport = vport;
6819 if (vport->fc_flag & FC_OFFLINE_MODE)
6820 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
6822 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
6824 if (rc != MBX_SUCCESS) {
6825 if (rc != MBX_TIMEOUT)
6826 mempool_free(pmboxq, phba->mbox_mem_pool);
6830 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
6831 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
6832 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
6833 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
6834 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
6835 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
6836 hs->error_frames = pmb->un.varRdLnk.crcCnt;
6838 hs->link_failure_count -= lso->link_failure_count;
6839 hs->loss_of_sync_count -= lso->loss_of_sync_count;
6840 hs->loss_of_signal_count -= lso->loss_of_signal_count;
6841 hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
6842 hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
6843 hs->invalid_crc_count -= lso->invalid_crc_count;
6844 hs->error_frames -= lso->error_frames;
6846 if (phba->hba_flag & HBA_FCOE_MODE) {
6848 hs->nos_count = (phba->link_events >> 1);
6849 hs->nos_count -= lso->link_events;
6850 } else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
6851 hs->lip_count = (phba->fc_eventTag >> 1);
6852 hs->lip_count -= lso->link_events;
6856 hs->nos_count = (phba->fc_eventTag >> 1);
6857 hs->nos_count -= lso->link_events;
6860 hs->dumped_frames = -1;
6862 hs->seconds_since_last_reset = ktime_get_seconds() - psli->stats_start;
6864 mempool_free(pmboxq, phba->mbox_mem_pool);
6870 * lpfc_reset_stats - Copy the adapter link stats information
6871 * @shost: kernel scsi host pointer.
6874 lpfc_reset_stats(struct Scsi_Host *shost)
6876 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6877 struct lpfc_hba *phba = vport->phba;
6878 struct lpfc_sli *psli = &phba->sli;
6879 struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets;
6880 LPFC_MBOXQ_t *pmboxq;
6884 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
6887 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6890 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
6892 pmb = &pmboxq->u.mb;
6893 pmb->mbxCommand = MBX_READ_STATUS;
6894 pmb->mbxOwner = OWN_HOST;
6895 pmb->un.varWords[0] = 0x1; /* reset request */
6896 pmboxq->ctx_buf = NULL;
6897 pmboxq->vport = vport;
6899 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
6900 (!(psli->sli_flag & LPFC_SLI_ACTIVE)))
6901 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
6903 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
6905 if (rc != MBX_SUCCESS) {
6906 if (rc != MBX_TIMEOUT)
6907 mempool_free(pmboxq, phba->mbox_mem_pool);
6911 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
6912 pmb->mbxCommand = MBX_READ_LNK_STAT;
6913 pmb->mbxOwner = OWN_HOST;
6914 pmboxq->ctx_buf = NULL;
6915 pmboxq->vport = vport;
6917 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
6918 (!(psli->sli_flag & LPFC_SLI_ACTIVE)))
6919 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
6921 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
6923 if (rc != MBX_SUCCESS) {
6924 if (rc != MBX_TIMEOUT)
6925 mempool_free( pmboxq, phba->mbox_mem_pool);
6929 lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
6930 lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
6931 lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
6932 lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
6933 lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
6934 lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
6935 lso->error_frames = pmb->un.varRdLnk.crcCnt;
6936 if (phba->hba_flag & HBA_FCOE_MODE)
6937 lso->link_events = (phba->link_events >> 1);
6939 lso->link_events = (phba->fc_eventTag >> 1);
6941 psli->stats_start = ktime_get_seconds();
6943 mempool_free(pmboxq, phba->mbox_mem_pool);
6949 * The LPFC driver treats linkdown handling as target loss events so there
6950 * are no sysfs handlers for link_down_tmo.
6954 * lpfc_get_node_by_target - Return the nodelist for a target
6955 * @starget: kernel scsi target pointer.
6958 * address of the node list if found
6959 * NULL target not found
6961 static struct lpfc_nodelist *
6962 lpfc_get_node_by_target(struct scsi_target *starget)
6964 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
6965 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6966 struct lpfc_nodelist *ndlp;
6968 spin_lock_irq(shost->host_lock);
6969 /* Search for this, mapped, target ID */
6970 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
6971 if (NLP_CHK_NODE_ACT(ndlp) &&
6972 ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
6973 starget->id == ndlp->nlp_sid) {
6974 spin_unlock_irq(shost->host_lock);
6978 spin_unlock_irq(shost->host_lock);
6983 * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1
6984 * @starget: kernel scsi target pointer.
6987 lpfc_get_starget_port_id(struct scsi_target *starget)
6989 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
6991 fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
6995 * lpfc_get_starget_node_name - Set the target node name
6996 * @starget: kernel scsi target pointer.
6998 * Description: Set the target node name to the ndlp node name wwn or zero.
7001 lpfc_get_starget_node_name(struct scsi_target *starget)
7003 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
7005 fc_starget_node_name(starget) =
7006 ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
7010 * lpfc_get_starget_port_name - Set the target port name
7011 * @starget: kernel scsi target pointer.
7013 * Description: set the target port name to the ndlp port name wwn or zero.
7016 lpfc_get_starget_port_name(struct scsi_target *starget)
7018 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
7020 fc_starget_port_name(starget) =
7021 ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
7025 * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo
7026 * @rport: fc rport address.
7027 * @timeout: new value for dev loss tmo.
7030 * If timeout is non zero set the dev_loss_tmo to timeout, else set
7031 * dev_loss_tmo to one.
7034 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
7036 struct lpfc_rport_data *rdata = rport->dd_data;
7037 struct lpfc_nodelist *ndlp = rdata->pnode;
7038 #if (IS_ENABLED(CONFIG_NVME_FC))
7039 struct lpfc_nvme_rport *nrport = NULL;
7043 rport->dev_loss_tmo = timeout;
7045 rport->dev_loss_tmo = 1;
7047 if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
7048 dev_info(&rport->dev, "Cannot find remote node to "
7049 "set rport dev loss tmo, port_id x%x\n",
7054 #if (IS_ENABLED(CONFIG_NVME_FC))
7055 nrport = lpfc_ndlp_get_nrport(ndlp);
7057 if (nrport && nrport->remoteport)
7058 nvme_fc_set_remoteport_devloss(nrport->remoteport,
7059 rport->dev_loss_tmo);
7064 * lpfc_rport_show_function - Return rport target information
7067 * Macro that uses field to generate a function with the name lpfc_show_rport_
7069 * lpfc_show_rport_##field: returns the bytes formatted in buf
7070 * @cdev: class converted to an fc_rport.
7071 * @buf: on return contains the target_field or zero.
7073 * Returns: size of formatted string.
7075 #define lpfc_rport_show_function(field, format_string, sz, cast) \
7077 lpfc_show_rport_##field (struct device *dev, \
7078 struct device_attribute *attr, \
7081 struct fc_rport *rport = transport_class_to_rport(dev); \
7082 struct lpfc_rport_data *rdata = rport->hostdata; \
7083 return scnprintf(buf, sz, format_string, \
7084 (rdata->target) ? cast rdata->target->field : 0); \
7087 #define lpfc_rport_rd_attr(field, format_string, sz) \
7088 lpfc_rport_show_function(field, format_string, sz, ) \
7089 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
7092 * lpfc_set_vport_symbolic_name - Set the vport's symbolic name
7093 * @fc_vport: The fc_vport who's symbolic name has been changed.
7096 * This function is called by the transport after the @fc_vport's symbolic name
7097 * has been changed. This function re-registers the symbolic name with the
7098 * switch to propagate the change into the fabric if the vport is active.
7101 lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport)
7103 struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data;
7105 if (vport->port_state == LPFC_VPORT_READY)
7106 lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0);
7110 * lpfc_hba_log_verbose_init - Set hba's log verbose level
7111 * @phba: Pointer to lpfc_hba struct.
7113 * This function is called by the lpfc_get_cfgparam() routine to set the
7114 * module lpfc_log_verbose into the @phba cfg_log_verbose for use with
7115 * log message according to the module's lpfc_log_verbose parameter setting
7116 * before hba port or vport created.
7119 lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose)
7121 phba->cfg_log_verbose = verbose;
7124 struct fc_function_template lpfc_transport_functions = {
7125 /* fixed attributes the driver supports */
7126 .show_host_node_name = 1,
7127 .show_host_port_name = 1,
7128 .show_host_supported_classes = 1,
7129 .show_host_supported_fc4s = 1,
7130 .show_host_supported_speeds = 1,
7131 .show_host_maxframe_size = 1,
7133 .get_host_symbolic_name = lpfc_get_host_symbolic_name,
7134 .show_host_symbolic_name = 1,
7136 /* dynamic attributes the driver supports */
7137 .get_host_port_id = lpfc_get_host_port_id,
7138 .show_host_port_id = 1,
7140 .get_host_port_type = lpfc_get_host_port_type,
7141 .show_host_port_type = 1,
7143 .get_host_port_state = lpfc_get_host_port_state,
7144 .show_host_port_state = 1,
7146 /* active_fc4s is shown but doesn't change (thus no get function) */
7147 .show_host_active_fc4s = 1,
7149 .get_host_speed = lpfc_get_host_speed,
7150 .show_host_speed = 1,
7152 .get_host_fabric_name = lpfc_get_host_fabric_name,
7153 .show_host_fabric_name = 1,
7156 * The LPFC driver treats linkdown handling as target loss events
7157 * so there are no sysfs handlers for link_down_tmo.
7160 .get_fc_host_stats = lpfc_get_stats,
7161 .reset_fc_host_stats = lpfc_reset_stats,
7163 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
7164 .show_rport_maxframe_size = 1,
7165 .show_rport_supported_classes = 1,
7167 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
7168 .show_rport_dev_loss_tmo = 1,
7170 .get_starget_port_id = lpfc_get_starget_port_id,
7171 .show_starget_port_id = 1,
7173 .get_starget_node_name = lpfc_get_starget_node_name,
7174 .show_starget_node_name = 1,
7176 .get_starget_port_name = lpfc_get_starget_port_name,
7177 .show_starget_port_name = 1,
7179 .issue_fc_host_lip = lpfc_issue_lip,
7180 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
7181 .terminate_rport_io = lpfc_terminate_rport_io,
7183 .dd_fcvport_size = sizeof(struct lpfc_vport *),
7185 .vport_disable = lpfc_vport_disable,
7187 .set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
7189 .bsg_request = lpfc_bsg_request,
7190 .bsg_timeout = lpfc_bsg_timeout,
7193 struct fc_function_template lpfc_vport_transport_functions = {
7194 /* fixed attributes the driver supports */
7195 .show_host_node_name = 1,
7196 .show_host_port_name = 1,
7197 .show_host_supported_classes = 1,
7198 .show_host_supported_fc4s = 1,
7199 .show_host_supported_speeds = 1,
7200 .show_host_maxframe_size = 1,
7202 .get_host_symbolic_name = lpfc_get_host_symbolic_name,
7203 .show_host_symbolic_name = 1,
7205 /* dynamic attributes the driver supports */
7206 .get_host_port_id = lpfc_get_host_port_id,
7207 .show_host_port_id = 1,
7209 .get_host_port_type = lpfc_get_host_port_type,
7210 .show_host_port_type = 1,
7212 .get_host_port_state = lpfc_get_host_port_state,
7213 .show_host_port_state = 1,
7215 /* active_fc4s is shown but doesn't change (thus no get function) */
7216 .show_host_active_fc4s = 1,
7218 .get_host_speed = lpfc_get_host_speed,
7219 .show_host_speed = 1,
7221 .get_host_fabric_name = lpfc_get_host_fabric_name,
7222 .show_host_fabric_name = 1,
7225 * The LPFC driver treats linkdown handling as target loss events
7226 * so there are no sysfs handlers for link_down_tmo.
7229 .get_fc_host_stats = lpfc_get_stats,
7230 .reset_fc_host_stats = lpfc_reset_stats,
7232 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
7233 .show_rport_maxframe_size = 1,
7234 .show_rport_supported_classes = 1,
7236 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
7237 .show_rport_dev_loss_tmo = 1,
7239 .get_starget_port_id = lpfc_get_starget_port_id,
7240 .show_starget_port_id = 1,
7242 .get_starget_node_name = lpfc_get_starget_node_name,
7243 .show_starget_node_name = 1,
7245 .get_starget_port_name = lpfc_get_starget_port_name,
7246 .show_starget_port_name = 1,
7248 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
7249 .terminate_rport_io = lpfc_terminate_rport_io,
7251 .vport_disable = lpfc_vport_disable,
7253 .set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
7257 * lpfc_get_hba_function_mode - Used to determine the HBA function in FCoE
7259 * @phba: lpfc_hba pointer.
7262 lpfc_get_hba_function_mode(struct lpfc_hba *phba)
7264 /* If the adapter supports FCoE mode */
7265 switch (phba->pcidev->device) {
7266 case PCI_DEVICE_ID_SKYHAWK:
7267 case PCI_DEVICE_ID_SKYHAWK_VF:
7268 case PCI_DEVICE_ID_LANCER_FCOE:
7269 case PCI_DEVICE_ID_LANCER_FCOE_VF:
7270 case PCI_DEVICE_ID_ZEPHYR_DCSP:
7271 case PCI_DEVICE_ID_HORNET:
7272 case PCI_DEVICE_ID_TIGERSHARK:
7273 case PCI_DEVICE_ID_TOMCAT:
7274 phba->hba_flag |= HBA_FCOE_MODE;
7277 /* for others, clear the flag */
7278 phba->hba_flag &= ~HBA_FCOE_MODE;
7283 * lpfc_get_cfgparam - Used during probe_one to init the adapter structure
7284 * @phba: lpfc_hba pointer.
7287 lpfc_get_cfgparam(struct lpfc_hba *phba)
7289 lpfc_hba_log_verbose_init(phba, lpfc_log_verbose);
7290 lpfc_fcp_io_sched_init(phba, lpfc_fcp_io_sched);
7291 lpfc_ns_query_init(phba, lpfc_ns_query);
7292 lpfc_fcp2_no_tgt_reset_init(phba, lpfc_fcp2_no_tgt_reset);
7293 lpfc_cr_delay_init(phba, lpfc_cr_delay);
7294 lpfc_cr_count_init(phba, lpfc_cr_count);
7295 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
7296 lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
7297 lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
7298 lpfc_ack0_init(phba, lpfc_ack0);
7299 lpfc_xri_rebalancing_init(phba, lpfc_xri_rebalancing);
7300 lpfc_topology_init(phba, lpfc_topology);
7301 lpfc_link_speed_init(phba, lpfc_link_speed);
7302 lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
7303 lpfc_task_mgmt_tmo_init(phba, lpfc_task_mgmt_tmo);
7304 lpfc_enable_npiv_init(phba, lpfc_enable_npiv);
7305 lpfc_fcf_failover_policy_init(phba, lpfc_fcf_failover_policy);
7306 lpfc_enable_rrq_init(phba, lpfc_enable_rrq);
7307 lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
7308 lpfc_enable_SmartSAN_init(phba, lpfc_enable_SmartSAN);
7309 lpfc_use_msi_init(phba, lpfc_use_msi);
7310 lpfc_nvme_oas_init(phba, lpfc_nvme_oas);
7311 lpfc_nvme_embed_cmd_init(phba, lpfc_nvme_embed_cmd);
7312 lpfc_fcp_imax_init(phba, lpfc_fcp_imax);
7313 lpfc_force_rscn_init(phba, lpfc_force_rscn);
7314 lpfc_cq_poll_threshold_init(phba, lpfc_cq_poll_threshold);
7315 lpfc_cq_max_proc_limit_init(phba, lpfc_cq_max_proc_limit);
7316 lpfc_fcp_cpu_map_init(phba, lpfc_fcp_cpu_map);
7317 lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset);
7318 lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat);
7320 lpfc_EnableXLane_init(phba, lpfc_EnableXLane);
7321 if (phba->sli_rev != LPFC_SLI_REV4)
7322 phba->cfg_EnableXLane = 0;
7323 lpfc_XLanePriority_init(phba, lpfc_XLanePriority);
7325 memset(phba->cfg_oas_tgt_wwpn, 0, (8 * sizeof(uint8_t)));
7326 memset(phba->cfg_oas_vpt_wwpn, 0, (8 * sizeof(uint8_t)));
7327 phba->cfg_oas_lun_state = 0;
7328 phba->cfg_oas_lun_status = 0;
7329 phba->cfg_oas_flags = 0;
7330 phba->cfg_oas_priority = 0;
7331 lpfc_enable_bg_init(phba, lpfc_enable_bg);
7332 lpfc_prot_mask_init(phba, lpfc_prot_mask);
7333 lpfc_prot_guard_init(phba, lpfc_prot_guard);
7334 if (phba->sli_rev == LPFC_SLI_REV4)
7337 phba->cfg_poll = lpfc_poll;
7339 /* Get the function mode */
7340 lpfc_get_hba_function_mode(phba);
7342 /* BlockGuard allowed for FC only. */
7343 if (phba->cfg_enable_bg && phba->hba_flag & HBA_FCOE_MODE) {
7344 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7345 "0581 BlockGuard feature not supported\n");
7346 /* If set, clear the BlockGuard support param */
7347 phba->cfg_enable_bg = 0;
7348 } else if (phba->cfg_enable_bg) {
7349 phba->sli3_options |= LPFC_SLI3_BG_ENABLED;
7352 lpfc_suppress_rsp_init(phba, lpfc_suppress_rsp);
7354 lpfc_enable_fc4_type_init(phba, lpfc_enable_fc4_type);
7355 lpfc_nvmet_mrq_init(phba, lpfc_nvmet_mrq);
7356 lpfc_nvmet_mrq_post_init(phba, lpfc_nvmet_mrq_post);
7358 /* Initialize first burst. Target vs Initiator are different. */
7359 lpfc_nvme_enable_fb_init(phba, lpfc_nvme_enable_fb);
7360 lpfc_nvmet_fb_size_init(phba, lpfc_nvmet_fb_size);
7361 lpfc_fcp_mq_threshold_init(phba, lpfc_fcp_mq_threshold);
7362 lpfc_hdw_queue_init(phba, lpfc_hdw_queue);
7363 lpfc_irq_chann_init(phba, lpfc_irq_chann);
7364 lpfc_enable_bbcr_init(phba, lpfc_enable_bbcr);
7365 lpfc_enable_dpp_init(phba, lpfc_enable_dpp);
7367 if (phba->sli_rev != LPFC_SLI_REV4) {
7368 /* NVME only supported on SLI4 */
7369 phba->nvmet_support = 0;
7370 phba->cfg_nvmet_mrq = 0;
7371 phba->cfg_enable_fc4_type = LPFC_ENABLE_FCP;
7372 phba->cfg_enable_bbcr = 0;
7373 phba->cfg_xri_rebalancing = 0;
7375 /* We MUST have FCP support */
7376 if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP))
7377 phba->cfg_enable_fc4_type |= LPFC_ENABLE_FCP;
7380 phba->cfg_auto_imax = (phba->cfg_fcp_imax) ? 0 : 1;
7382 phba->cfg_enable_pbde = 0;
7384 /* A value of 0 means use the number of CPUs found in the system */
7385 if (phba->cfg_hdw_queue == 0)
7386 phba->cfg_hdw_queue = phba->sli4_hba.num_present_cpu;
7387 if (phba->cfg_irq_chann == 0)
7388 phba->cfg_irq_chann = phba->sli4_hba.num_present_cpu;
7389 if (phba->cfg_irq_chann > phba->cfg_hdw_queue)
7390 phba->cfg_irq_chann = phba->cfg_hdw_queue;
7392 phba->cfg_soft_wwnn = 0L;
7393 phba->cfg_soft_wwpn = 0L;
7394 lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt);
7395 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
7396 lpfc_aer_support_init(phba, lpfc_aer_support);
7397 lpfc_sriov_nr_virtfn_init(phba, lpfc_sriov_nr_virtfn);
7398 lpfc_request_firmware_upgrade_init(phba, lpfc_req_fw_upgrade);
7399 lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up);
7400 lpfc_delay_discovery_init(phba, lpfc_delay_discovery);
7401 lpfc_sli_mode_init(phba, lpfc_sli_mode);
7402 phba->cfg_enable_dss = 1;
7403 lpfc_enable_mds_diags_init(phba, lpfc_enable_mds_diags);
7404 lpfc_ras_fwlog_buffsize_init(phba, lpfc_ras_fwlog_buffsize);
7405 lpfc_ras_fwlog_level_init(phba, lpfc_ras_fwlog_level);
7406 lpfc_ras_fwlog_func_init(phba, lpfc_ras_fwlog_func);
7412 * lpfc_nvme_mod_param_dep - Adjust module parameter value based on
7413 * dependencies between protocols and roles.
7414 * @phba: lpfc_hba pointer.
7417 lpfc_nvme_mod_param_dep(struct lpfc_hba *phba)
7419 if (phba->cfg_hdw_queue > phba->sli4_hba.num_present_cpu)
7420 phba->cfg_hdw_queue = phba->sli4_hba.num_present_cpu;
7421 if (phba->cfg_irq_chann > phba->sli4_hba.num_present_cpu)
7422 phba->cfg_irq_chann = phba->sli4_hba.num_present_cpu;
7423 if (phba->cfg_irq_chann > phba->cfg_hdw_queue)
7424 phba->cfg_irq_chann = phba->cfg_hdw_queue;
7426 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME &&
7427 phba->nvmet_support) {
7428 phba->cfg_enable_fc4_type &= ~LPFC_ENABLE_FCP;
7430 lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC,
7431 "6013 %s x%x fb_size x%x, fb_max x%x\n",
7432 "NVME Target PRLI ACC enable_fb ",
7433 phba->cfg_nvme_enable_fb,
7434 phba->cfg_nvmet_fb_size,
7435 LPFC_NVMET_FB_SZ_MAX);
7437 if (phba->cfg_nvme_enable_fb == 0)
7438 phba->cfg_nvmet_fb_size = 0;
7440 if (phba->cfg_nvmet_fb_size > LPFC_NVMET_FB_SZ_MAX)
7441 phba->cfg_nvmet_fb_size = LPFC_NVMET_FB_SZ_MAX;
7444 if (!phba->cfg_nvmet_mrq)
7445 phba->cfg_nvmet_mrq = phba->cfg_hdw_queue;
7447 /* Adjust lpfc_nvmet_mrq to avoid running out of WQE slots */
7448 if (phba->cfg_nvmet_mrq > phba->cfg_hdw_queue) {
7449 phba->cfg_nvmet_mrq = phba->cfg_hdw_queue;
7450 lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC,
7451 "6018 Adjust lpfc_nvmet_mrq to %d\n",
7452 phba->cfg_nvmet_mrq);
7454 if (phba->cfg_nvmet_mrq > LPFC_NVMET_MRQ_MAX)
7455 phba->cfg_nvmet_mrq = LPFC_NVMET_MRQ_MAX;
7458 /* Not NVME Target mode. Turn off Target parameters. */
7459 phba->nvmet_support = 0;
7460 phba->cfg_nvmet_mrq = 0;
7461 phba->cfg_nvmet_fb_size = 0;
7466 * lpfc_get_vport_cfgparam - Used during port create, init the vport structure
7467 * @vport: lpfc_vport pointer.
7470 lpfc_get_vport_cfgparam(struct lpfc_vport *vport)
7472 lpfc_log_verbose_init(vport, lpfc_log_verbose);
7473 lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth);
7474 lpfc_tgt_queue_depth_init(vport, lpfc_tgt_queue_depth);
7475 lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo);
7476 lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo);
7477 lpfc_peer_port_login_init(vport, lpfc_peer_port_login);
7478 lpfc_restrict_login_init(vport, lpfc_restrict_login);
7479 lpfc_fcp_class_init(vport, lpfc_fcp_class);
7480 lpfc_use_adisc_init(vport, lpfc_use_adisc);
7481 lpfc_first_burst_size_init(vport, lpfc_first_burst_size);
7482 lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time);
7483 lpfc_discovery_threads_init(vport, lpfc_discovery_threads);
7484 lpfc_max_luns_init(vport, lpfc_max_luns);
7485 lpfc_scan_down_init(vport, lpfc_scan_down);
7486 lpfc_enable_da_id_init(vport, lpfc_enable_da_id);