Merge tag 'trace-printf-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace...
[drm/drm-misc.git] / drivers / scsi / lpfc / lpfc_ct.c
blob30891ad17e2a4101bbfd9ae6beeb7de88f4a820d
1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2024 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. *
8 * www.broadcom.com *
9 * *
10 * This program is free software; you can redistribute it and/or *
11 * modify it under the terms of version 2 of the GNU General *
12 * Public License as published by the Free Software Foundation. *
13 * This program is distributed in the hope that it will be useful. *
14 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
15 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
16 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
17 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
18 * TO BE LEGALLY INVALID. See the GNU General Public License for *
19 * more details, a copy of which can be found in the file COPYING *
20 * included with this package. *
21 *******************************************************************/
24 * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
27 #include <linux/blkdev.h>
28 #include <linux/pci.h>
29 #include <linux/interrupt.h>
30 #include <linux/slab.h>
31 #include <linux/utsname.h>
33 #include <scsi/scsi.h>
34 #include <scsi/scsi_device.h>
35 #include <scsi/scsi_host.h>
36 #include <scsi/scsi_transport_fc.h>
37 #include <scsi/fc/fc_fs.h>
39 #include "lpfc_hw4.h"
40 #include "lpfc_hw.h"
41 #include "lpfc_sli.h"
42 #include "lpfc_sli4.h"
43 #include "lpfc_nl.h"
44 #include "lpfc_disc.h"
45 #include "lpfc.h"
46 #include "lpfc_scsi.h"
47 #include "lpfc_logmsg.h"
48 #include "lpfc_crtn.h"
49 #include "lpfc_version.h"
50 #include "lpfc_vport.h"
51 #include "lpfc_debugfs.h"
53 /* FDMI Port Speed definitions - FC-GS-7 */
54 #define HBA_PORTSPEED_1GFC 0x00000001 /* 1G FC */
55 #define HBA_PORTSPEED_2GFC 0x00000002 /* 2G FC */
56 #define HBA_PORTSPEED_4GFC 0x00000008 /* 4G FC */
57 #define HBA_PORTSPEED_10GFC 0x00000004 /* 10G FC */
58 #define HBA_PORTSPEED_8GFC 0x00000010 /* 8G FC */
59 #define HBA_PORTSPEED_16GFC 0x00000020 /* 16G FC */
60 #define HBA_PORTSPEED_32GFC 0x00000040 /* 32G FC */
61 #define HBA_PORTSPEED_20GFC 0x00000080 /* 20G FC */
62 #define HBA_PORTSPEED_40GFC 0x00000100 /* 40G FC */
63 #define HBA_PORTSPEED_128GFC 0x00000200 /* 128G FC */
64 #define HBA_PORTSPEED_64GFC 0x00000400 /* 64G FC */
65 #define HBA_PORTSPEED_256GFC 0x00000800 /* 256G FC */
66 #define HBA_PORTSPEED_UNKNOWN 0x00008000 /* Unknown */
67 #define HBA_PORTSPEED_10GE 0x00010000 /* 10G E */
68 #define HBA_PORTSPEED_40GE 0x00020000 /* 40G E */
69 #define HBA_PORTSPEED_100GE 0x00040000 /* 100G E */
70 #define HBA_PORTSPEED_25GE 0x00080000 /* 25G E */
71 #define HBA_PORTSPEED_50GE 0x00100000 /* 50G E */
72 #define HBA_PORTSPEED_400GE 0x00200000 /* 400G E */
74 #define FOURBYTES 4
77 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
78 static void
79 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
80 struct lpfc_iocbq *rspiocb);
82 static void
83 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
84 struct lpfc_dmabuf *mp, uint32_t size)
86 if (!mp) {
87 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
88 "0146 Ignoring unsolicited CT No HBQ "
89 "status = x%x\n",
90 get_job_ulpstatus(phba, piocbq));
92 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
93 "0145 Ignoring unsolicited CT HBQ Size:%d "
94 "status = x%x\n",
95 size, get_job_ulpstatus(phba, piocbq));
98 static void
99 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
100 struct lpfc_dmabuf *mp, uint32_t size)
102 lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
106 * lpfc_ct_unsol_cmpl : Completion callback function for unsol ct commands
107 * @phba : pointer to lpfc hba data structure.
108 * @cmdiocb : pointer to lpfc command iocb data structure.
109 * @rspiocb : pointer to lpfc response iocb data structure.
111 * This routine is the callback function for issuing unsol ct reject command.
112 * The memory allocated in the reject command path is freed up here.
114 static void
115 lpfc_ct_unsol_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
116 struct lpfc_iocbq *rspiocb)
118 struct lpfc_nodelist *ndlp;
119 struct lpfc_dmabuf *mp, *bmp;
121 ndlp = cmdiocb->ndlp;
122 if (ndlp)
123 lpfc_nlp_put(ndlp);
125 mp = cmdiocb->rsp_dmabuf;
126 bmp = cmdiocb->bpl_dmabuf;
127 if (mp) {
128 lpfc_mbuf_free(phba, mp->virt, mp->phys);
129 kfree(mp);
130 cmdiocb->rsp_dmabuf = NULL;
133 if (bmp) {
134 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
135 kfree(bmp);
136 cmdiocb->bpl_dmabuf = NULL;
139 lpfc_sli_release_iocbq(phba, cmdiocb);
143 * lpfc_ct_reject_event - Issue reject for unhandled CT MIB commands
144 * @ndlp: pointer to a node-list data structure.
145 * @ct_req: pointer to the CT request data structure.
146 * @ulp_context: context of received UNSOL CT command
147 * @ox_id: ox_id of the UNSOL CT command
149 * This routine is invoked by the lpfc_ct_handle_mibreq routine for sending
150 * a reject response. Reject response is sent for the unhandled commands.
152 static void
153 lpfc_ct_reject_event(struct lpfc_nodelist *ndlp,
154 struct lpfc_sli_ct_request *ct_req,
155 u16 ulp_context, u16 ox_id)
157 struct lpfc_vport *vport = ndlp->vport;
158 struct lpfc_hba *phba = vport->phba;
159 struct lpfc_sli_ct_request *ct_rsp;
160 struct lpfc_iocbq *cmdiocbq = NULL;
161 struct lpfc_dmabuf *bmp = NULL;
162 struct lpfc_dmabuf *mp = NULL;
163 struct ulp_bde64 *bpl;
164 u8 rc = 0;
165 u32 tmo;
167 /* fill in BDEs for command */
168 mp = kmalloc(sizeof(*mp), GFP_KERNEL);
169 if (!mp) {
170 rc = 1;
171 goto ct_exit;
174 mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp->phys);
175 if (!mp->virt) {
176 rc = 2;
177 goto ct_free_mp;
180 /* Allocate buffer for Buffer ptr list */
181 bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
182 if (!bmp) {
183 rc = 3;
184 goto ct_free_mpvirt;
187 bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &bmp->phys);
188 if (!bmp->virt) {
189 rc = 4;
190 goto ct_free_bmp;
193 INIT_LIST_HEAD(&mp->list);
194 INIT_LIST_HEAD(&bmp->list);
196 bpl = (struct ulp_bde64 *)bmp->virt;
197 memset(bpl, 0, sizeof(struct ulp_bde64));
198 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
199 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
200 bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
201 bpl->tus.f.bdeSize = (LPFC_CT_PREAMBLE - 4);
202 bpl->tus.w = le32_to_cpu(bpl->tus.w);
204 ct_rsp = (struct lpfc_sli_ct_request *)mp->virt;
205 memset(ct_rsp, 0, sizeof(struct lpfc_sli_ct_request));
207 ct_rsp->RevisionId.bits.Revision = SLI_CT_REVISION;
208 ct_rsp->RevisionId.bits.InId = 0;
209 ct_rsp->FsType = ct_req->FsType;
210 ct_rsp->FsSubType = ct_req->FsSubType;
211 ct_rsp->CommandResponse.bits.Size = 0;
212 ct_rsp->CommandResponse.bits.CmdRsp =
213 cpu_to_be16(SLI_CT_RESPONSE_FS_RJT);
214 ct_rsp->ReasonCode = SLI_CT_REQ_NOT_SUPPORTED;
215 ct_rsp->Explanation = SLI_CT_NO_ADDITIONAL_EXPL;
217 cmdiocbq = lpfc_sli_get_iocbq(phba);
218 if (!cmdiocbq) {
219 rc = 5;
220 goto ct_free_bmpvirt;
223 if (phba->sli_rev == LPFC_SLI_REV4) {
224 lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp,
225 phba->sli4_hba.rpi_ids[ndlp->nlp_rpi],
226 ox_id, 1, FC_RCTL_DD_SOL_CTL, 1,
227 CMD_XMIT_SEQUENCE64_WQE);
228 } else {
229 lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp, 0, ulp_context, 1,
230 FC_RCTL_DD_SOL_CTL, 1,
231 CMD_XMIT_SEQUENCE64_CX);
234 /* Save for completion so we can release these resources */
235 cmdiocbq->rsp_dmabuf = mp;
236 cmdiocbq->bpl_dmabuf = bmp;
237 cmdiocbq->cmd_cmpl = lpfc_ct_unsol_cmpl;
238 tmo = (3 * phba->fc_ratov);
240 cmdiocbq->retry = 0;
241 cmdiocbq->vport = vport;
242 cmdiocbq->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
244 cmdiocbq->ndlp = lpfc_nlp_get(ndlp);
245 if (!cmdiocbq->ndlp)
246 goto ct_no_ndlp;
248 rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
249 if (rc) {
250 lpfc_nlp_put(ndlp);
251 goto ct_no_ndlp;
253 return;
255 ct_no_ndlp:
256 rc = 6;
257 lpfc_sli_release_iocbq(phba, cmdiocbq);
258 ct_free_bmpvirt:
259 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
260 ct_free_bmp:
261 kfree(bmp);
262 ct_free_mpvirt:
263 lpfc_mbuf_free(phba, mp->virt, mp->phys);
264 ct_free_mp:
265 kfree(mp);
266 ct_exit:
267 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
268 "6440 Unsol CT: Rsp err %d Data: x%lx\n",
269 rc, vport->fc_flag);
273 * lpfc_ct_handle_mibreq - Process an unsolicited CT MIB request data buffer
274 * @phba: pointer to lpfc hba data structure.
275 * @ctiocbq: pointer to lpfc CT command iocb data structure.
277 * This routine is used for processing the IOCB associated with a unsolicited
278 * CT MIB request. It first determines whether there is an existing ndlp that
279 * matches the DID from the unsolicited IOCB. If not, it will return.
281 static void
282 lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq)
284 struct lpfc_sli_ct_request *ct_req;
285 struct lpfc_nodelist *ndlp = NULL;
286 struct lpfc_vport *vport = ctiocbq->vport;
287 u32 ulp_status = get_job_ulpstatus(phba, ctiocbq);
288 u32 ulp_word4 = get_job_word4(phba, ctiocbq);
289 u32 did;
290 u16 mi_cmd;
292 did = bf_get(els_rsp64_sid, &ctiocbq->wqe.xmit_els_rsp);
293 if (ulp_status) {
294 lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS,
295 "6438 Unsol CT: status:x%x/x%x did : x%x\n",
296 ulp_status, ulp_word4, did);
297 return;
300 /* Ignore traffic received during vport shutdown */
301 if (test_bit(FC_UNLOADING, &vport->load_flag))
302 return;
304 ndlp = lpfc_findnode_did(vport, did);
305 if (!ndlp) {
306 lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS,
307 "6439 Unsol CT: NDLP Not Found for DID : x%x",
308 did);
309 return;
312 ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt;
314 mi_cmd = be16_to_cpu(ct_req->CommandResponse.bits.CmdRsp);
315 lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS,
316 "6442 MI Cmd : x%x Not Supported\n", mi_cmd);
317 lpfc_ct_reject_event(ndlp, ct_req,
318 bf_get(wqe_ctxt_tag,
319 &ctiocbq->wqe.xmit_els_rsp.wqe_com),
320 bf_get(wqe_rcvoxid,
321 &ctiocbq->wqe.xmit_els_rsp.wqe_com));
325 * lpfc_ct_unsol_event - Process an unsolicited event from a ct sli ring
326 * @phba: pointer to lpfc hba data structure.
327 * @pring: pointer to a SLI ring.
328 * @ctiocbq: pointer to lpfc ct iocb data structure.
330 * This routine is used to process an unsolicited event received from a SLI
331 * (Service Level Interface) ring. The actual processing of the data buffer
332 * associated with the unsolicited event is done by invoking appropriate routine
333 * after properly set up the iocb buffer from the SLI ring on which the
334 * unsolicited event was received.
336 void
337 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
338 struct lpfc_iocbq *ctiocbq)
340 struct lpfc_dmabuf *mp = NULL;
341 IOCB_t *icmd = &ctiocbq->iocb;
342 int i;
343 struct lpfc_iocbq *iocbq;
344 struct lpfc_iocbq *iocb;
345 dma_addr_t dma_addr;
346 uint32_t size;
347 struct list_head head;
348 struct lpfc_sli_ct_request *ct_req;
349 struct lpfc_dmabuf *bdeBuf1 = ctiocbq->cmd_dmabuf;
350 struct lpfc_dmabuf *bdeBuf2 = ctiocbq->bpl_dmabuf;
351 u32 status, parameter, bde_count = 0;
352 struct lpfc_wcqe_complete *wcqe_cmpl = NULL;
354 ctiocbq->cmd_dmabuf = NULL;
355 ctiocbq->rsp_dmabuf = NULL;
356 ctiocbq->bpl_dmabuf = NULL;
358 wcqe_cmpl = &ctiocbq->wcqe_cmpl;
359 status = get_job_ulpstatus(phba, ctiocbq);
360 parameter = get_job_word4(phba, ctiocbq);
361 if (phba->sli_rev == LPFC_SLI_REV4)
362 bde_count = wcqe_cmpl->word3;
363 else
364 bde_count = icmd->ulpBdeCount;
366 if (unlikely(status == IOSTAT_NEED_BUFFER)) {
367 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
368 } else if ((status == IOSTAT_LOCAL_REJECT) &&
369 ((parameter & IOERR_PARAM_MASK) ==
370 IOERR_RCV_BUFFER_WAITING)) {
371 /* Not enough posted buffers; Try posting more buffers */
372 phba->fc_stat.NoRcvBuf++;
373 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
374 lpfc_sli3_post_buffer(phba, pring, 2);
375 return;
378 /* If there are no BDEs associated
379 * with this IOCB, there is nothing to do.
381 if (bde_count == 0)
382 return;
384 ctiocbq->cmd_dmabuf = bdeBuf1;
385 if (bde_count == 2)
386 ctiocbq->bpl_dmabuf = bdeBuf2;
388 ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt;
390 if (ct_req->FsType == SLI_CT_MANAGEMENT_SERVICE &&
391 ct_req->FsSubType == SLI_CT_MIB_Subtypes) {
392 lpfc_ct_handle_mibreq(phba, ctiocbq);
393 } else {
394 if (!lpfc_bsg_ct_unsol_event(phba, pring, ctiocbq))
395 return;
398 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
399 INIT_LIST_HEAD(&head);
400 list_add_tail(&head, &ctiocbq->list);
401 list_for_each_entry(iocb, &head, list) {
402 if (phba->sli_rev == LPFC_SLI_REV4)
403 bde_count = iocb->wcqe_cmpl.word3;
404 else
405 bde_count = iocb->iocb.ulpBdeCount;
407 if (!bde_count)
408 continue;
409 bdeBuf1 = iocb->cmd_dmabuf;
410 iocb->cmd_dmabuf = NULL;
411 if (phba->sli_rev == LPFC_SLI_REV4)
412 size = iocb->wqe.gen_req.bde.tus.f.bdeSize;
413 else
414 size = iocb->iocb.un.cont64[0].tus.f.bdeSize;
415 lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf1, size);
416 lpfc_in_buf_free(phba, bdeBuf1);
417 if (bde_count == 2) {
418 bdeBuf2 = iocb->bpl_dmabuf;
419 iocb->bpl_dmabuf = NULL;
420 if (phba->sli_rev == LPFC_SLI_REV4)
421 size = iocb->unsol_rcv_len;
422 else
423 size = iocb->iocb.unsli3.rcvsli3.bde2.tus.f.bdeSize;
424 lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf2,
425 size);
426 lpfc_in_buf_free(phba, bdeBuf2);
429 list_del(&head);
430 } else {
431 INIT_LIST_HEAD(&head);
432 list_add_tail(&head, &ctiocbq->list);
433 list_for_each_entry(iocbq, &head, list) {
434 icmd = &iocbq->iocb;
435 if (icmd->ulpBdeCount == 0)
436 lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
437 for (i = 0; i < icmd->ulpBdeCount; i++) {
438 dma_addr = getPaddr(icmd->un.cont64[i].addrHigh,
439 icmd->un.cont64[i].addrLow);
440 mp = lpfc_sli_ringpostbuf_get(phba, pring,
441 dma_addr);
442 size = icmd->un.cont64[i].tus.f.bdeSize;
443 lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
444 lpfc_in_buf_free(phba, mp);
446 lpfc_sli3_post_buffer(phba, pring, i);
448 list_del(&head);
453 * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
454 * @phba: Pointer to HBA context object.
455 * @dmabuf: pointer to a dmabuf that describes the FC sequence
457 * This function serves as the upper level protocol abort handler for CT
458 * protocol.
460 * Return 1 if abort has been handled, 0 otherwise.
463 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
465 int handled;
467 /* CT upper level goes through BSG */
468 handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
470 return handled;
473 static void
474 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
476 struct lpfc_dmabuf *mlast, *next_mlast;
478 list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
479 list_del(&mlast->list);
480 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
481 kfree(mlast);
483 lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
484 kfree(mlist);
485 return;
488 static struct lpfc_dmabuf *
489 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, __be16 cmdcode, struct ulp_bde64 *bpl,
490 uint32_t size, int *entries)
492 struct lpfc_dmabuf *mlist = NULL;
493 struct lpfc_dmabuf *mp;
494 int cnt, i = 0;
496 /* We get chunks of FCELSSIZE */
497 cnt = size > FCELSSIZE ? FCELSSIZE: size;
499 while (size) {
500 /* Allocate buffer for rsp payload */
501 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
502 if (!mp) {
503 if (mlist)
504 lpfc_free_ct_rsp(phba, mlist);
505 return NULL;
508 INIT_LIST_HEAD(&mp->list);
510 if (be16_to_cpu(cmdcode) == SLI_CTNS_GID_FT ||
511 be16_to_cpu(cmdcode) == SLI_CTNS_GFF_ID)
512 mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
513 else
514 mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
516 if (!mp->virt) {
517 kfree(mp);
518 if (mlist)
519 lpfc_free_ct_rsp(phba, mlist);
520 return NULL;
523 /* Queue it to a linked list */
524 if (!mlist)
525 mlist = mp;
526 else
527 list_add_tail(&mp->list, &mlist->list);
529 bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
530 /* build buffer ptr list for IOCB */
531 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
532 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
533 bpl->tus.f.bdeSize = (uint16_t) cnt;
534 bpl->tus.w = le32_to_cpu(bpl->tus.w);
535 bpl++;
537 i++;
538 size -= cnt;
541 *entries = i;
542 return mlist;
546 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
548 struct lpfc_dmabuf *buf_ptr;
550 /* IOCBQ job structure gets cleaned during release. Just release
551 * the dma buffers here.
553 if (ctiocb->cmd_dmabuf) {
554 buf_ptr = ctiocb->cmd_dmabuf;
555 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
556 kfree(buf_ptr);
557 ctiocb->cmd_dmabuf = NULL;
559 if (ctiocb->rsp_dmabuf) {
560 lpfc_free_ct_rsp(phba, ctiocb->rsp_dmabuf);
561 ctiocb->rsp_dmabuf = NULL;
564 if (ctiocb->bpl_dmabuf) {
565 buf_ptr = ctiocb->bpl_dmabuf;
566 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
567 kfree(buf_ptr);
568 ctiocb->bpl_dmabuf = NULL;
570 lpfc_sli_release_iocbq(phba, ctiocb);
571 return 0;
575 * lpfc_gen_req - Build and issue a GEN_REQUEST command to the SLI Layer
576 * @vport: pointer to a host virtual N_Port data structure.
577 * @bmp: Pointer to BPL for SLI command
578 * @inp: Pointer to data buffer for response data.
579 * @outp: Pointer to data buffer that hold the CT command.
580 * @cmpl: completion routine to call when command completes
581 * @ndlp: Destination NPort nodelist entry
583 * This function as the final part for issuing a CT command.
585 static int
586 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
587 struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
588 void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
589 struct lpfc_iocbq *),
590 struct lpfc_nodelist *ndlp, uint32_t event_tag, uint32_t num_entry,
591 uint32_t tmo, uint8_t retry)
593 struct lpfc_hba *phba = vport->phba;
594 struct lpfc_iocbq *geniocb;
595 int rc;
596 u16 ulp_context;
598 /* Allocate buffer for command iocb */
599 geniocb = lpfc_sli_get_iocbq(phba);
601 if (geniocb == NULL)
602 return 1;
604 /* Update the num_entry bde count */
605 geniocb->num_bdes = num_entry;
607 geniocb->bpl_dmabuf = bmp;
609 /* Save for completion so we can release these resources */
610 geniocb->cmd_dmabuf = inp;
611 geniocb->rsp_dmabuf = outp;
613 geniocb->event_tag = event_tag;
615 if (!tmo) {
616 /* FC spec states we need 3 * ratov for CT requests */
617 tmo = (3 * phba->fc_ratov);
620 if (phba->sli_rev == LPFC_SLI_REV4)
621 ulp_context = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
622 else
623 ulp_context = ndlp->nlp_rpi;
625 lpfc_sli_prep_gen_req(phba, geniocb, bmp, ulp_context, num_entry, tmo);
627 /* Issue GEN REQ IOCB for NPORT <did> */
628 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
629 "0119 Issue GEN REQ IOCB to NPORT x%x "
630 "Data: x%x x%x\n",
631 ndlp->nlp_DID, geniocb->iotag,
632 vport->port_state);
633 geniocb->cmd_cmpl = cmpl;
634 geniocb->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
635 geniocb->vport = vport;
636 geniocb->retry = retry;
637 geniocb->ndlp = lpfc_nlp_get(ndlp);
638 if (!geniocb->ndlp)
639 goto out;
641 rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
642 if (rc == IOCB_ERROR) {
643 lpfc_nlp_put(ndlp);
644 goto out;
647 return 0;
648 out:
649 lpfc_sli_release_iocbq(phba, geniocb);
650 return 1;
654 * lpfc_ct_cmd - Build and issue a CT command
655 * @vport: pointer to a host virtual N_Port data structure.
656 * @inmp: Pointer to data buffer for response data.
657 * @bmp: Pointer to BPL for SLI command
658 * @ndlp: Destination NPort nodelist entry
659 * @cmpl: completion routine to call when command completes
661 * This function is called for issuing a CT command.
663 static int
664 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
665 struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
666 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
667 struct lpfc_iocbq *),
668 uint32_t rsp_size, uint8_t retry)
670 struct lpfc_hba *phba = vport->phba;
671 struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
672 struct lpfc_dmabuf *outmp;
673 int cnt = 0, status;
674 __be16 cmdcode = ((struct lpfc_sli_ct_request *)inmp->virt)->
675 CommandResponse.bits.CmdRsp;
677 bpl++; /* Skip past ct request */
679 /* Put buffer(s) for ct rsp in bpl */
680 outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
681 if (!outmp)
682 return -ENOMEM;
684 * Form the CT IOCB. The total number of BDEs in this IOCB
685 * is the single command plus response count from
686 * lpfc_alloc_ct_rsp.
688 cnt += 1;
689 status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp,
690 phba->fc_eventTag, cnt, 0, retry);
691 if (status) {
692 lpfc_free_ct_rsp(phba, outmp);
693 return -ENOMEM;
695 return 0;
698 struct lpfc_vport *
699 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
700 struct lpfc_vport *vport_curr;
701 unsigned long flags;
703 spin_lock_irqsave(&phba->port_list_lock, flags);
704 list_for_each_entry(vport_curr, &phba->port_list, listentry) {
705 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
706 spin_unlock_irqrestore(&phba->port_list_lock, flags);
707 return vport_curr;
710 spin_unlock_irqrestore(&phba->port_list_lock, flags);
711 return NULL;
714 static void
715 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
717 struct lpfc_nodelist *ndlp;
719 if ((vport->port_type != LPFC_NPIV_PORT) ||
720 !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
722 ndlp = lpfc_setup_disc_node(vport, Did);
724 if (ndlp) {
725 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
726 "Parse GID_FTrsp: did:x%x flg:x%lx x%x",
727 Did, ndlp->nlp_flag, vport->fc_flag);
729 /* By default, the driver expects to support FCP FC4 */
730 if (fc4_type == FC_TYPE_FCP)
731 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
733 if (fc4_type == FC_TYPE_NVME)
734 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
736 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
737 "0238 Process x%06x NameServer Rsp "
738 "Data: x%lx x%x x%x x%lx x%x\n", Did,
739 ndlp->nlp_flag, ndlp->nlp_fc4_type,
740 ndlp->nlp_state, vport->fc_flag,
741 vport->fc_rscn_id_cnt);
743 /* if ndlp needs to be discovered and prior
744 * state of ndlp hit devloss, change state to
745 * allow rediscovery.
747 if (test_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag) &&
748 ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
749 lpfc_nlp_set_state(vport, ndlp,
750 NLP_STE_NPR_NODE);
752 } else {
753 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
754 "Skip1 GID_FTrsp: did:x%x flg:x%lx cnt:%d",
755 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
757 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
758 "0239 Skip x%06x NameServer Rsp "
759 "Data: x%lx x%x x%px\n",
760 Did, vport->fc_flag,
761 vport->fc_rscn_id_cnt, ndlp);
763 } else {
764 if (!test_bit(FC_RSCN_MODE, &vport->fc_flag) ||
765 lpfc_rscn_payload_check(vport, Did)) {
766 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
767 "Query GID_FTrsp: did:x%x flg:x%lx cnt:%d",
768 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
771 * This NPortID was previously a FCP/NVMe target,
772 * Don't even bother to send GFF_ID.
774 ndlp = lpfc_findnode_did(vport, Did);
775 if (ndlp &&
776 (ndlp->nlp_type &
777 (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
778 if (fc4_type == FC_TYPE_FCP)
779 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
780 if (fc4_type == FC_TYPE_NVME)
781 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
782 lpfc_setup_disc_node(vport, Did);
783 } else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
784 0, Did) == 0)
785 vport->num_disc_nodes++;
786 else
787 lpfc_setup_disc_node(vport, Did);
788 } else {
789 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
790 "Skip2 GID_FTrsp: did:x%x flg:x%lx cnt:%d",
791 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
793 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
794 "0245 Skip x%06x NameServer Rsp "
795 "Data: x%lx x%x\n", Did,
796 vport->fc_flag,
797 vport->fc_rscn_id_cnt);
802 static void
803 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
805 struct lpfc_hba *phba = vport->phba;
806 struct lpfc_nodelist *ndlp = NULL;
807 char *str;
809 if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT)
810 str = "GID_FT";
811 else
812 str = "GID_PT";
813 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
814 "6430 Process %s rsp for %08x type %x %s %s\n",
815 str, Did, fc4_type,
816 (fc4_type == FC_TYPE_FCP) ? "FCP" : " ",
817 (fc4_type == FC_TYPE_NVME) ? "NVME" : " ");
819 * To conserve rpi's, filter out addresses for other
820 * vports on the same physical HBAs.
822 if (Did != vport->fc_myDID &&
823 (!lpfc_find_vport_by_did(phba, Did) ||
824 vport->cfg_peer_port_login)) {
825 if (!phba->nvmet_support) {
826 /* FCPI/NVMEI path. Process Did */
827 lpfc_prep_node_fc4type(vport, Did, fc4_type);
828 return;
830 /* NVMET path. NVMET only cares about NVMEI nodes. */
831 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
832 if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
833 ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
834 continue;
835 if (ndlp->nlp_DID == Did)
836 clear_bit(NLP_NVMET_RECOV, &ndlp->nlp_flag);
837 else
838 set_bit(NLP_NVMET_RECOV, &ndlp->nlp_flag);
843 static int
844 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
845 uint32_t Size)
847 struct lpfc_sli_ct_request *Response =
848 (struct lpfc_sli_ct_request *) mp->virt;
849 struct lpfc_dmabuf *mlast, *next_mp;
850 uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
851 uint32_t Did, CTentry;
852 int Cnt;
853 struct list_head head;
854 struct lpfc_nodelist *ndlp = NULL;
856 lpfc_set_disctmo(vport);
857 vport->num_disc_nodes = 0;
858 vport->fc_ns_retry = 0;
861 list_add_tail(&head, &mp->list);
862 list_for_each_entry_safe(mp, next_mp, &head, list) {
863 mlast = mp;
865 Cnt = Size > FCELSSIZE ? FCELSSIZE : Size;
867 Size -= Cnt;
869 if (!ctptr) {
870 ctptr = (uint32_t *) mlast->virt;
871 } else
872 Cnt -= 16; /* subtract length of CT header */
874 /* Loop through entire NameServer list of DIDs */
875 while (Cnt >= sizeof(uint32_t)) {
876 /* Get next DID from NameServer List */
877 CTentry = *ctptr++;
878 Did = ((be32_to_cpu(CTentry)) & Mask_DID);
879 lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
880 if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
881 goto nsout1;
883 Cnt -= sizeof(uint32_t);
885 ctptr = NULL;
889 /* All GID_FT entries processed. If the driver is running in
890 * in target mode, put impacted nodes into recovery and drop
891 * the RPI to flush outstanding IO.
893 if (vport->phba->nvmet_support) {
894 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
895 if (!test_bit(NLP_NVMET_RECOV, &ndlp->nlp_flag))
896 continue;
897 lpfc_disc_state_machine(vport, ndlp, NULL,
898 NLP_EVT_DEVICE_RECOVERY);
899 clear_bit(NLP_NVMET_RECOV, &ndlp->nlp_flag);
903 nsout1:
904 list_del(&head);
905 return 0;
908 static void
909 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
910 struct lpfc_iocbq *rspiocb)
912 struct lpfc_vport *vport = cmdiocb->vport;
913 struct lpfc_dmabuf *outp;
914 struct lpfc_dmabuf *inp;
915 struct lpfc_sli_ct_request *CTrsp;
916 struct lpfc_sli_ct_request *CTreq;
917 struct lpfc_nodelist *ndlp;
918 u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
919 u32 ulp_word4 = get_job_word4(phba, rspiocb);
920 int rc, type;
922 /* First save ndlp, before we overwrite it */
923 ndlp = cmdiocb->ndlp;
925 /* we pass cmdiocb to state machine which needs rspiocb as well */
926 cmdiocb->rsp_iocb = rspiocb;
927 inp = cmdiocb->cmd_dmabuf;
928 outp = cmdiocb->rsp_dmabuf;
930 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
931 "GID_FT cmpl: status:x%x/x%x rtry:%d",
932 ulp_status, ulp_word4, vport->fc_ns_retry);
934 /* Ignore response if link flipped after this request was made */
935 if (cmdiocb->event_tag != phba->fc_eventTag) {
936 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
937 "9043 Event tag mismatch. Ignoring NS rsp\n");
938 goto out;
941 /* Skip processing response on pport if unloading */
942 if (vport == phba->pport && test_bit(FC_UNLOADING, &vport->load_flag)) {
943 if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
944 lpfc_els_flush_rscn(vport);
945 goto out;
948 if (lpfc_els_chk_latt(vport)) {
949 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
950 "0216 Link event during NS query\n");
951 if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
952 lpfc_els_flush_rscn(vport);
953 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
954 goto out;
956 if (lpfc_error_lost_link(vport, ulp_status, ulp_word4)) {
957 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
958 "0226 NS query failed due to link event: "
959 "ulp_status x%x ulp_word4 x%x fc_flag x%lx "
960 "port_state x%x gidft_inp x%x\n",
961 ulp_status, ulp_word4, vport->fc_flag,
962 vport->port_state, vport->gidft_inp);
963 if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
964 lpfc_els_flush_rscn(vport);
965 if (vport->gidft_inp)
966 vport->gidft_inp--;
967 goto out;
970 if (test_and_clear_bit(FC_RSCN_DEFERRED, &vport->fc_flag)) {
971 /* This is a GID_FT completing so the gidft_inp counter was
972 * incremented before the GID_FT was issued to the wire.
974 if (vport->gidft_inp)
975 vport->gidft_inp--;
978 * Skip processing the NS response
979 * Re-issue the NS cmd
981 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
982 "0151 Process Deferred RSCN Data: x%lx x%x\n",
983 vport->fc_flag, vport->fc_rscn_id_cnt);
984 lpfc_els_handle_rscn(vport);
986 goto out;
989 if (ulp_status) {
990 /* Check for retry */
991 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
992 if (ulp_status != IOSTAT_LOCAL_REJECT ||
993 (ulp_word4 & IOERR_PARAM_MASK) !=
994 IOERR_NO_RESOURCES)
995 vport->fc_ns_retry++;
997 type = lpfc_get_gidft_type(vport, cmdiocb);
998 if (type == 0)
999 goto out;
1001 /* CT command is being retried */
1002 rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
1003 vport->fc_ns_retry, type);
1004 if (rc == 0)
1005 goto out;
1006 else { /* Unable to send NS cmd */
1007 if (vport->gidft_inp)
1008 vport->gidft_inp--;
1011 if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1012 lpfc_els_flush_rscn(vport);
1013 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1014 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1015 "0257 GID_FT Query error: 0x%x 0x%x\n",
1016 ulp_status, vport->fc_ns_retry);
1017 } else {
1018 /* Good status, continue checking */
1019 CTreq = (struct lpfc_sli_ct_request *) inp->virt;
1020 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1021 if (CTrsp->CommandResponse.bits.CmdRsp ==
1022 cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1023 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1024 "0208 NameServer Rsp Data: x%lx x%x "
1025 "x%x x%x sz x%x\n",
1026 vport->fc_flag,
1027 CTreq->un.gid.Fc4Type,
1028 vport->num_disc_nodes,
1029 vport->gidft_inp,
1030 get_job_data_placed(phba, rspiocb));
1032 lpfc_ns_rsp(vport,
1033 outp,
1034 CTreq->un.gid.Fc4Type,
1035 get_job_data_placed(phba, rspiocb));
1036 } else if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1037 SLI_CT_RESPONSE_FS_RJT) {
1038 /* NameServer Rsp Error */
1039 if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1040 && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1041 lpfc_printf_vlog(vport, KERN_INFO,
1042 LOG_DISCOVERY,
1043 "0269 No NameServer Entries "
1044 "Data: x%x x%x x%x x%lx\n",
1045 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1046 (uint32_t) CTrsp->ReasonCode,
1047 (uint32_t) CTrsp->Explanation,
1048 vport->fc_flag);
1050 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1051 "GID_FT no entry cmd:x%x rsn:x%x exp:x%x",
1052 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1053 (uint32_t) CTrsp->ReasonCode,
1054 (uint32_t) CTrsp->Explanation);
1055 } else {
1056 lpfc_printf_vlog(vport, KERN_INFO,
1057 LOG_DISCOVERY,
1058 "0240 NameServer Rsp Error "
1059 "Data: x%x x%x x%x x%lx\n",
1060 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1061 (uint32_t) CTrsp->ReasonCode,
1062 (uint32_t) CTrsp->Explanation,
1063 vport->fc_flag);
1065 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1066 "GID_FT rsp err1 cmd:x%x rsn:x%x exp:x%x",
1067 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1068 (uint32_t) CTrsp->ReasonCode,
1069 (uint32_t) CTrsp->Explanation);
1073 } else {
1074 /* NameServer Rsp Error */
1075 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1076 "0241 NameServer Rsp Error "
1077 "Data: x%x x%x x%x x%lx\n",
1078 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1079 (uint32_t) CTrsp->ReasonCode,
1080 (uint32_t) CTrsp->Explanation,
1081 vport->fc_flag);
1083 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1084 "GID_FT rsp err2 cmd:x%x rsn:x%x exp:x%x",
1085 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1086 (uint32_t) CTrsp->ReasonCode,
1087 (uint32_t) CTrsp->Explanation);
1089 if (vport->gidft_inp)
1090 vport->gidft_inp--;
1093 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1094 "4216 GID_FT cmpl inp %d disc %d\n",
1095 vport->gidft_inp, vport->num_disc_nodes);
1097 /* Link up / RSCN discovery */
1098 if ((vport->num_disc_nodes == 0) &&
1099 (vport->gidft_inp == 0)) {
1101 * The driver has cycled through all Nports in the RSCN payload.
1102 * Complete the handling by cleaning up and marking the
1103 * current driver state.
1105 if (vport->port_state >= LPFC_DISC_AUTH) {
1106 if (test_bit(FC_RSCN_MODE, &vport->fc_flag)) {
1107 lpfc_els_flush_rscn(vport);
1108 /* RSCN still */
1109 set_bit(FC_RSCN_MODE, &vport->fc_flag);
1110 } else {
1111 lpfc_els_flush_rscn(vport);
1115 lpfc_disc_start(vport);
1117 out:
1118 lpfc_ct_free_iocb(phba, cmdiocb);
1119 lpfc_nlp_put(ndlp);
1120 return;
1123 static void
1124 lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1125 struct lpfc_iocbq *rspiocb)
1127 struct lpfc_vport *vport = cmdiocb->vport;
1128 struct lpfc_dmabuf *outp;
1129 struct lpfc_dmabuf *inp;
1130 struct lpfc_sli_ct_request *CTrsp;
1131 struct lpfc_sli_ct_request *CTreq;
1132 struct lpfc_nodelist *ndlp;
1133 u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1134 u32 ulp_word4 = get_job_word4(phba, rspiocb);
1135 int rc;
1137 /* First save ndlp, before we overwrite it */
1138 ndlp = cmdiocb->ndlp;
1140 /* we pass cmdiocb to state machine which needs rspiocb as well */
1141 cmdiocb->rsp_iocb = rspiocb;
1142 inp = cmdiocb->cmd_dmabuf;
1143 outp = cmdiocb->rsp_dmabuf;
1145 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1146 "GID_PT cmpl: status:x%x/x%x rtry:%d",
1147 ulp_status, ulp_word4,
1148 vport->fc_ns_retry);
1150 /* Ignore response if link flipped after this request was made */
1151 if (cmdiocb->event_tag != phba->fc_eventTag) {
1152 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1153 "9044 Event tag mismatch. Ignoring NS rsp\n");
1154 goto out;
1157 /* Skip processing response on pport if unloading */
1158 if (vport == phba->pport && test_bit(FC_UNLOADING, &vport->load_flag)) {
1159 if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1160 lpfc_els_flush_rscn(vport);
1161 goto out;
1164 if (lpfc_els_chk_latt(vport)) {
1165 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1166 "4108 Link event during NS query\n");
1167 if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1168 lpfc_els_flush_rscn(vport);
1169 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1170 goto out;
1172 if (lpfc_error_lost_link(vport, ulp_status, ulp_word4)) {
1173 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1174 "4166 NS query failed due to link event: "
1175 "ulp_status x%x ulp_word4 x%x fc_flag x%lx "
1176 "port_state x%x gidft_inp x%x\n",
1177 ulp_status, ulp_word4, vport->fc_flag,
1178 vport->port_state, vport->gidft_inp);
1179 if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1180 lpfc_els_flush_rscn(vport);
1181 if (vport->gidft_inp)
1182 vport->gidft_inp--;
1183 goto out;
1186 if (test_and_clear_bit(FC_RSCN_DEFERRED, &vport->fc_flag)) {
1187 /* This is a GID_PT completing so the gidft_inp counter was
1188 * incremented before the GID_PT was issued to the wire.
1190 if (vport->gidft_inp)
1191 vport->gidft_inp--;
1194 * Skip processing the NS response
1195 * Re-issue the NS cmd
1197 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
1198 "4167 Process Deferred RSCN Data: x%lx x%x\n",
1199 vport->fc_flag, vport->fc_rscn_id_cnt);
1200 lpfc_els_handle_rscn(vport);
1202 goto out;
1205 if (ulp_status) {
1206 /* Check for retry */
1207 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1208 if (ulp_status != IOSTAT_LOCAL_REJECT ||
1209 (ulp_word4 & IOERR_PARAM_MASK) !=
1210 IOERR_NO_RESOURCES)
1211 vport->fc_ns_retry++;
1213 /* CT command is being retried */
1214 rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT,
1215 vport->fc_ns_retry, GID_PT_N_PORT);
1216 if (rc == 0)
1217 goto out;
1218 else { /* Unable to send NS cmd */
1219 if (vport->gidft_inp)
1220 vport->gidft_inp--;
1223 if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
1224 lpfc_els_flush_rscn(vport);
1225 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1226 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1227 "4103 GID_FT Query error: 0x%x 0x%x\n",
1228 ulp_status, vport->fc_ns_retry);
1229 } else {
1230 /* Good status, continue checking */
1231 CTreq = (struct lpfc_sli_ct_request *)inp->virt;
1232 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1233 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1234 SLI_CT_RESPONSE_FS_ACC) {
1235 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1236 "4105 NameServer Rsp Data: x%lx x%x "
1237 "x%x x%x sz x%x\n",
1238 vport->fc_flag,
1239 CTreq->un.gid.Fc4Type,
1240 vport->num_disc_nodes,
1241 vport->gidft_inp,
1242 get_job_data_placed(phba, rspiocb));
1244 lpfc_ns_rsp(vport,
1245 outp,
1246 CTreq->un.gid.Fc4Type,
1247 get_job_data_placed(phba, rspiocb));
1248 } else if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1249 SLI_CT_RESPONSE_FS_RJT) {
1250 /* NameServer Rsp Error */
1251 if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1252 && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1253 lpfc_printf_vlog(
1254 vport, KERN_INFO, LOG_DISCOVERY,
1255 "4106 No NameServer Entries "
1256 "Data: x%x x%x x%x x%lx\n",
1257 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1258 (uint32_t)CTrsp->ReasonCode,
1259 (uint32_t)CTrsp->Explanation,
1260 vport->fc_flag);
1262 lpfc_debugfs_disc_trc(
1263 vport, LPFC_DISC_TRC_CT,
1264 "GID_PT no entry cmd:x%x rsn:x%x exp:x%x",
1265 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1266 (uint32_t)CTrsp->ReasonCode,
1267 (uint32_t)CTrsp->Explanation);
1268 } else {
1269 lpfc_printf_vlog(
1270 vport, KERN_INFO, LOG_DISCOVERY,
1271 "4107 NameServer Rsp Error "
1272 "Data: x%x x%x x%x x%lx\n",
1273 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1274 (uint32_t)CTrsp->ReasonCode,
1275 (uint32_t)CTrsp->Explanation,
1276 vport->fc_flag);
1278 lpfc_debugfs_disc_trc(
1279 vport, LPFC_DISC_TRC_CT,
1280 "GID_PT rsp err1 cmd:x%x rsn:x%x exp:x%x",
1281 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1282 (uint32_t)CTrsp->ReasonCode,
1283 (uint32_t)CTrsp->Explanation);
1285 } else {
1286 /* NameServer Rsp Error */
1287 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1288 "4109 NameServer Rsp Error "
1289 "Data: x%x x%x x%x x%lx\n",
1290 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1291 (uint32_t)CTrsp->ReasonCode,
1292 (uint32_t)CTrsp->Explanation,
1293 vport->fc_flag);
1295 lpfc_debugfs_disc_trc(
1296 vport, LPFC_DISC_TRC_CT,
1297 "GID_PT rsp err2 cmd:x%x rsn:x%x exp:x%x",
1298 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1299 (uint32_t)CTrsp->ReasonCode,
1300 (uint32_t)CTrsp->Explanation);
1302 if (vport->gidft_inp)
1303 vport->gidft_inp--;
1306 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1307 "6450 GID_PT cmpl inp %d disc %d\n",
1308 vport->gidft_inp, vport->num_disc_nodes);
1310 /* Link up / RSCN discovery */
1311 if ((vport->num_disc_nodes == 0) &&
1312 (vport->gidft_inp == 0)) {
1314 * The driver has cycled through all Nports in the RSCN payload.
1315 * Complete the handling by cleaning up and marking the
1316 * current driver state.
1318 if (vport->port_state >= LPFC_DISC_AUTH) {
1319 if (test_bit(FC_RSCN_MODE, &vport->fc_flag)) {
1320 lpfc_els_flush_rscn(vport);
1321 /* RSCN still */
1322 set_bit(FC_RSCN_MODE, &vport->fc_flag);
1323 } else {
1324 lpfc_els_flush_rscn(vport);
1328 lpfc_disc_start(vport);
1330 out:
1331 lpfc_ct_free_iocb(phba, cmdiocb);
1332 lpfc_nlp_put(ndlp);
1335 static void
1336 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1337 struct lpfc_iocbq *rspiocb)
1339 struct lpfc_vport *vport = cmdiocb->vport;
1340 struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
1341 struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
1342 struct lpfc_sli_ct_request *CTrsp;
1343 int did, rc, retry;
1344 uint8_t fbits;
1345 struct lpfc_nodelist *ndlp = NULL, *free_ndlp = NULL;
1346 u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1347 u32 ulp_word4 = get_job_word4(phba, rspiocb);
1349 did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
1350 did = be32_to_cpu(did);
1352 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1353 "GFF_ID cmpl: status:x%x/x%x did:x%x",
1354 ulp_status, ulp_word4, did);
1356 /* Ignore response if link flipped after this request was made */
1357 if (cmdiocb->event_tag != phba->fc_eventTag) {
1358 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1359 "9045 Event tag mismatch. Ignoring NS rsp\n");
1360 goto iocb_free;
1363 if (ulp_status == IOSTAT_SUCCESS) {
1364 /* Good status, continue checking */
1365 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1366 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
1368 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1369 "6431 Process GFF_ID rsp for %08x "
1370 "fbits %02x %s %s\n",
1371 did, fbits,
1372 (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ",
1373 (fbits & FC4_FEATURE_TARGET) ? "Target" : " ");
1375 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1376 SLI_CT_RESPONSE_FS_ACC) {
1377 if ((fbits & FC4_FEATURE_INIT) &&
1378 !(fbits & FC4_FEATURE_TARGET)) {
1379 lpfc_printf_vlog(vport, KERN_INFO,
1380 LOG_DISCOVERY,
1381 "0270 Skip x%x GFF "
1382 "NameServer Rsp Data: (init) "
1383 "x%x x%x\n", did, fbits,
1384 vport->fc_rscn_id_cnt);
1385 goto out;
1389 else {
1390 /* Check for retry */
1391 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
1392 retry = 1;
1393 if (ulp_status == IOSTAT_LOCAL_REJECT) {
1394 switch ((ulp_word4 &
1395 IOERR_PARAM_MASK)) {
1397 case IOERR_NO_RESOURCES:
1398 /* We don't increment the retry
1399 * count for this case.
1401 break;
1402 case IOERR_LINK_DOWN:
1403 case IOERR_SLI_ABORTED:
1404 case IOERR_SLI_DOWN:
1405 retry = 0;
1406 break;
1407 default:
1408 cmdiocb->retry++;
1411 else
1412 cmdiocb->retry++;
1414 if (retry) {
1415 /* CT command is being retried */
1416 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
1417 cmdiocb->retry, did);
1418 if (rc == 0) {
1419 /* success */
1420 free_ndlp = cmdiocb->ndlp;
1421 lpfc_ct_free_iocb(phba, cmdiocb);
1422 lpfc_nlp_put(free_ndlp);
1423 return;
1427 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1428 "0267 NameServer GFF Rsp "
1429 "x%x Error (%d %d) Data: x%lx x%x\n",
1430 did, ulp_status, ulp_word4,
1431 vport->fc_flag, vport->fc_rscn_id_cnt);
1434 /* This is a target port, unregistered port, or the GFF_ID failed */
1435 ndlp = lpfc_setup_disc_node(vport, did);
1436 if (ndlp) {
1437 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1438 "0242 Process x%x GFF "
1439 "NameServer Rsp Data: x%lx x%lx x%x\n",
1440 did, ndlp->nlp_flag, vport->fc_flag,
1441 vport->fc_rscn_id_cnt);
1442 } else {
1443 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1444 "0243 Skip x%x GFF "
1445 "NameServer Rsp Data: x%lx x%x\n", did,
1446 vport->fc_flag, vport->fc_rscn_id_cnt);
1448 out:
1449 /* Link up / RSCN discovery */
1450 if (vport->num_disc_nodes)
1451 vport->num_disc_nodes--;
1453 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1454 "6451 GFF_ID cmpl inp %d disc %d\n",
1455 vport->gidft_inp, vport->num_disc_nodes);
1457 if (vport->num_disc_nodes == 0) {
1459 * The driver has cycled through all Nports in the RSCN payload.
1460 * Complete the handling by cleaning up and marking the
1461 * current driver state.
1463 if (vport->port_state >= LPFC_DISC_AUTH) {
1464 if (test_bit(FC_RSCN_MODE, &vport->fc_flag)) {
1465 lpfc_els_flush_rscn(vport);
1466 /* RSCN still */
1467 set_bit(FC_RSCN_MODE, &vport->fc_flag);
1468 } else {
1469 lpfc_els_flush_rscn(vport);
1472 lpfc_disc_start(vport);
1475 iocb_free:
1476 free_ndlp = cmdiocb->ndlp;
1477 lpfc_ct_free_iocb(phba, cmdiocb);
1478 lpfc_nlp_put(free_ndlp);
1479 return;
1482 static void
1483 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1484 struct lpfc_iocbq *rspiocb)
1486 struct lpfc_vport *vport = cmdiocb->vport;
1487 struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
1488 struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
1489 struct lpfc_sli_ct_request *CTrsp;
1490 int did;
1491 struct lpfc_nodelist *ndlp = NULL;
1492 struct lpfc_nodelist *ns_ndlp = cmdiocb->ndlp;
1493 uint32_t fc4_data_0, fc4_data_1;
1494 u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1495 u32 ulp_word4 = get_job_word4(phba, rspiocb);
1497 did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
1498 did = be32_to_cpu(did);
1500 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1501 "GFT_ID cmpl: status:x%x/x%x did:x%x",
1502 ulp_status, ulp_word4, did);
1504 /* Ignore response if link flipped after this request was made */
1505 if ((uint32_t)cmdiocb->event_tag != phba->fc_eventTag) {
1506 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1507 "9046 Event tag mismatch. Ignoring NS rsp\n");
1508 goto out;
1511 if (ulp_status == IOSTAT_SUCCESS) {
1512 /* Good status, continue checking */
1513 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1514 fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
1515 fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
1517 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1518 "6432 Process GFT_ID rsp for %08x "
1519 "Data %08x %08x %s %s\n",
1520 did, fc4_data_0, fc4_data_1,
1521 (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ?
1522 "FCP" : " ",
1523 (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ?
1524 "NVME" : " ");
1526 /* Lookup the NPort_ID queried in the GFT_ID and find the
1527 * driver's local node. It's an error if the driver
1528 * doesn't have one.
1530 ndlp = lpfc_findnode_did(vport, did);
1531 if (ndlp) {
1532 /* The bitmask value for FCP and NVME FCP types is
1533 * the same because they are 32 bits distant from
1534 * each other in word0 and word0.
1536 if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
1537 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
1538 if (fc4_data_1 & LPFC_FC4_TYPE_BITMASK)
1539 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1540 lpfc_printf_vlog(vport, KERN_INFO,
1541 LOG_DISCOVERY | LOG_NODE,
1542 "3064 Setting ndlp x%px, DID x%06x "
1543 "with FC4 x%08x, Data: x%08x x%08x "
1544 "%d\n",
1545 ndlp, did, ndlp->nlp_fc4_type,
1546 FC_TYPE_FCP, FC_TYPE_NVME,
1547 ndlp->nlp_state);
1549 if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE &&
1550 ndlp->nlp_fc4_type) {
1551 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1552 lpfc_nlp_set_state(vport, ndlp,
1553 NLP_STE_PRLI_ISSUE);
1554 lpfc_issue_els_prli(vport, ndlp, 0);
1555 } else if (!ndlp->nlp_fc4_type) {
1556 /* If fc4 type is still unknown, then LOGO */
1557 lpfc_printf_vlog(vport, KERN_INFO,
1558 LOG_DISCOVERY | LOG_NODE,
1559 "6443 Sending LOGO ndlp x%px, "
1560 "DID x%06x with fc4_type: "
1561 "x%08x, state: %d\n",
1562 ndlp, did, ndlp->nlp_fc4_type,
1563 ndlp->nlp_state);
1564 lpfc_issue_els_logo(vport, ndlp, 0);
1565 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1566 lpfc_nlp_set_state(vport, ndlp,
1567 NLP_STE_NPR_NODE);
1570 } else
1571 lpfc_vlog_msg(vport, KERN_WARNING, LOG_DISCOVERY,
1572 "3065 GFT_ID status x%08x\n", ulp_status);
1574 out:
1575 lpfc_ct_free_iocb(phba, cmdiocb);
1576 lpfc_nlp_put(ns_ndlp);
1579 static void
1580 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1581 struct lpfc_iocbq *rspiocb)
1583 struct lpfc_vport *vport = cmdiocb->vport;
1584 struct lpfc_dmabuf *inp;
1585 struct lpfc_dmabuf *outp;
1586 struct lpfc_sli_ct_request *CTrsp;
1587 struct lpfc_nodelist *ndlp;
1588 int cmdcode, rc;
1589 uint8_t retry;
1590 uint32_t latt;
1591 u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1592 u32 ulp_word4 = get_job_word4(phba, rspiocb);
1594 /* First save ndlp, before we overwrite it */
1595 ndlp = cmdiocb->ndlp;
1597 /* we pass cmdiocb to state machine which needs rspiocb as well */
1598 cmdiocb->rsp_iocb = rspiocb;
1600 inp = cmdiocb->cmd_dmabuf;
1601 outp = cmdiocb->rsp_dmabuf;
1603 cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1604 CommandResponse.bits.CmdRsp);
1605 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1607 latt = lpfc_els_chk_latt(vport);
1609 /* RFT request completes status <ulp_status> CmdRsp <CmdRsp> */
1610 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1611 "0209 CT Request completes, latt %d, "
1612 "ulp_status x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1613 latt, ulp_status,
1614 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
1615 get_job_ulpcontext(phba, cmdiocb), cmdiocb->iotag);
1617 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1618 "CT cmd cmpl: status:x%x/x%x cmd:x%x",
1619 ulp_status, ulp_word4, cmdcode);
1621 if (ulp_status) {
1622 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1623 "0268 NS cmd x%x Error (x%x x%x)\n",
1624 cmdcode, ulp_status, ulp_word4);
1626 if (ulp_status == IOSTAT_LOCAL_REJECT &&
1627 (((ulp_word4 & IOERR_PARAM_MASK) ==
1628 IOERR_SLI_DOWN) ||
1629 ((ulp_word4 & IOERR_PARAM_MASK) ==
1630 IOERR_SLI_ABORTED)))
1631 goto out;
1633 retry = cmdiocb->retry;
1634 if (retry >= LPFC_MAX_NS_RETRY)
1635 goto out;
1637 retry++;
1638 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1639 "0250 Retrying NS cmd %x\n", cmdcode);
1640 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1641 if (rc == 0)
1642 goto out;
1645 out:
1646 /* If the caller wanted a synchronous DA_ID completion, signal the
1647 * wait obj and clear flag to reset the vport.
1649 if (ndlp->save_flags & NLP_WAIT_FOR_DA_ID) {
1650 if (ndlp->da_id_waitq)
1651 wake_up(ndlp->da_id_waitq);
1654 spin_lock_irq(&ndlp->lock);
1655 ndlp->save_flags &= ~NLP_WAIT_FOR_DA_ID;
1656 spin_unlock_irq(&ndlp->lock);
1658 lpfc_ct_free_iocb(phba, cmdiocb);
1659 lpfc_nlp_put(ndlp);
1660 return;
1663 static void
1664 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1665 struct lpfc_iocbq *rspiocb)
1667 struct lpfc_vport *vport = cmdiocb->vport;
1668 u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1670 if (ulp_status == IOSTAT_SUCCESS) {
1671 struct lpfc_dmabuf *outp;
1672 struct lpfc_sli_ct_request *CTrsp;
1674 outp = cmdiocb->rsp_dmabuf;
1675 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1676 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1677 SLI_CT_RESPONSE_FS_ACC)
1678 vport->ct_flags |= FC_CT_RFT_ID;
1680 lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1681 return;
1684 static void
1685 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1686 struct lpfc_iocbq *rspiocb)
1688 struct lpfc_vport *vport = cmdiocb->vport;
1689 u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1691 if (ulp_status == IOSTAT_SUCCESS) {
1692 struct lpfc_dmabuf *outp;
1693 struct lpfc_sli_ct_request *CTrsp;
1695 outp = cmdiocb->rsp_dmabuf;
1696 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1697 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1698 SLI_CT_RESPONSE_FS_ACC)
1699 vport->ct_flags |= FC_CT_RNN_ID;
1701 lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1702 return;
1705 static void
1706 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1707 struct lpfc_iocbq *rspiocb)
1709 struct lpfc_vport *vport = cmdiocb->vport;
1710 u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1712 if (ulp_status == IOSTAT_SUCCESS) {
1713 struct lpfc_dmabuf *outp;
1714 struct lpfc_sli_ct_request *CTrsp;
1716 outp = cmdiocb->rsp_dmabuf;
1717 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1718 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1719 SLI_CT_RESPONSE_FS_ACC)
1720 vport->ct_flags |= FC_CT_RSPN_ID;
1722 lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1723 return;
1726 static void
1727 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1728 struct lpfc_iocbq *rspiocb)
1730 struct lpfc_vport *vport = cmdiocb->vport;
1731 u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1733 if (ulp_status == IOSTAT_SUCCESS) {
1734 struct lpfc_dmabuf *outp;
1735 struct lpfc_sli_ct_request *CTrsp;
1737 outp = cmdiocb->rsp_dmabuf;
1738 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1739 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1740 SLI_CT_RESPONSE_FS_ACC)
1741 vport->ct_flags |= FC_CT_RSNN_NN;
1743 lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1744 return;
1747 static void
1748 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1749 struct lpfc_iocbq *rspiocb)
1751 struct lpfc_vport *vport = cmdiocb->vport;
1753 /* even if it fails we will act as though it succeeded. */
1754 vport->ct_flags = 0;
1755 lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1756 return;
1759 static void
1760 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1761 struct lpfc_iocbq *rspiocb)
1763 struct lpfc_vport *vport = cmdiocb->vport;
1764 u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1766 if (ulp_status == IOSTAT_SUCCESS) {
1767 struct lpfc_dmabuf *outp;
1768 struct lpfc_sli_ct_request *CTrsp;
1770 outp = cmdiocb->rsp_dmabuf;
1771 CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1772 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
1773 SLI_CT_RESPONSE_FS_ACC)
1774 vport->ct_flags |= FC_CT_RFF_ID;
1776 lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1777 return;
1781 * Although the symbolic port name is thought to be an integer
1782 * as of January 18, 2016, leave it as a string until more of
1783 * the record state becomes defined.
1786 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1787 size_t size)
1789 int n;
1792 * Use the lpfc board number as the Symbolic Port
1793 * Name object. NPIV is not in play so this integer
1794 * value is sufficient and unique per FC-ID.
1796 n = scnprintf(symbol, size, "%d", vport->phba->brd_no);
1797 return n;
1802 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1803 size_t size)
1805 char fwrev[FW_REV_STR_SIZE] = {0};
1806 char tmp[MAXHOSTNAMELEN] = {0};
1808 memset(symbol, 0, size);
1810 scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName);
1811 if (strlcat(symbol, tmp, size) >= size)
1812 goto buffer_done;
1814 lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1815 scnprintf(tmp, sizeof(tmp), " FV%s", fwrev);
1816 if (strlcat(symbol, tmp, size) >= size)
1817 goto buffer_done;
1819 scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version);
1820 if (strlcat(symbol, tmp, size) >= size)
1821 goto buffer_done;
1823 scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name);
1824 if (strlcat(symbol, tmp, size) >= size)
1825 goto buffer_done;
1827 /* Note :- OS name is "Linux" */
1828 scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname);
1829 strlcat(symbol, tmp, size);
1831 buffer_done:
1832 return strnlen(symbol, size);
1836 static uint32_t
1837 lpfc_find_map_node(struct lpfc_vport *vport)
1839 struct lpfc_nodelist *ndlp, *next_ndlp;
1840 unsigned long iflags;
1841 uint32_t cnt = 0;
1843 spin_lock_irqsave(&vport->fc_nodes_list_lock, iflags);
1844 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1845 if (ndlp->nlp_type & NLP_FABRIC)
1846 continue;
1847 if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1848 (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1849 cnt++;
1851 spin_unlock_irqrestore(&vport->fc_nodes_list_lock, iflags);
1852 return cnt;
1856 * This routine will return the FC4 Type associated with the CT
1857 * GID_FT command.
1860 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1862 struct lpfc_sli_ct_request *CtReq;
1863 struct lpfc_dmabuf *mp;
1864 uint32_t type;
1866 mp = cmdiocb->cmd_dmabuf;
1867 if (mp == NULL)
1868 return 0;
1869 CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1870 type = (uint32_t)CtReq->un.gid.Fc4Type;
1871 if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1872 return 0;
1873 return type;
1877 * lpfc_ns_cmd
1878 * Description:
1879 * Issue Cmd to NameServer
1880 * SLI_CTNS_GID_FT
1881 * LI_CTNS_RFT_ID
1884 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1885 uint8_t retry, uint32_t context)
1887 struct lpfc_nodelist * ndlp;
1888 struct lpfc_hba *phba = vport->phba;
1889 struct lpfc_dmabuf *mp, *bmp;
1890 struct lpfc_sli_ct_request *CtReq;
1891 struct ulp_bde64 *bpl;
1892 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1893 struct lpfc_iocbq *) = NULL;
1894 uint32_t *ptr;
1895 uint32_t rsp_size = 1024;
1896 size_t size;
1897 int rc = 0;
1899 ndlp = lpfc_findnode_did(vport, NameServer_DID);
1900 if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1901 rc=1;
1902 goto ns_cmd_exit;
1905 /* fill in BDEs for command */
1906 /* Allocate buffer for command payload */
1907 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1908 if (!mp) {
1909 rc=2;
1910 goto ns_cmd_exit;
1913 INIT_LIST_HEAD(&mp->list);
1914 mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1915 if (!mp->virt) {
1916 rc=3;
1917 goto ns_cmd_free_mp;
1920 /* Allocate buffer for Buffer ptr list */
1921 bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1922 if (!bmp) {
1923 rc=4;
1924 goto ns_cmd_free_mpvirt;
1927 INIT_LIST_HEAD(&bmp->list);
1928 bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1929 if (!bmp->virt) {
1930 rc=5;
1931 goto ns_cmd_free_bmp;
1934 /* NameServer Req */
1935 lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1936 "0236 NameServer Req Data: x%x x%lx x%x x%x\n",
1937 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1938 context);
1940 bpl = (struct ulp_bde64 *) bmp->virt;
1941 memset(bpl, 0, sizeof(struct ulp_bde64));
1942 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1943 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1944 bpl->tus.f.bdeFlags = 0;
1945 if (cmdcode == SLI_CTNS_GID_FT)
1946 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1947 else if (cmdcode == SLI_CTNS_GID_PT)
1948 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1949 else if (cmdcode == SLI_CTNS_GFF_ID)
1950 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1951 else if (cmdcode == SLI_CTNS_GFT_ID)
1952 bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1953 else if (cmdcode == SLI_CTNS_RFT_ID)
1954 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1955 else if (cmdcode == SLI_CTNS_RNN_ID)
1956 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1957 else if (cmdcode == SLI_CTNS_RSPN_ID)
1958 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1959 else if (cmdcode == SLI_CTNS_RSNN_NN)
1960 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1961 else if (cmdcode == SLI_CTNS_DA_ID)
1962 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1963 else if (cmdcode == SLI_CTNS_RFF_ID)
1964 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1965 else
1966 bpl->tus.f.bdeSize = 0;
1967 bpl->tus.w = le32_to_cpu(bpl->tus.w);
1969 CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1970 memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1971 CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1972 CtReq->RevisionId.bits.InId = 0;
1973 CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1974 CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1975 CtReq->CommandResponse.bits.Size = 0;
1976 switch (cmdcode) {
1977 case SLI_CTNS_GID_FT:
1978 CtReq->CommandResponse.bits.CmdRsp =
1979 cpu_to_be16(SLI_CTNS_GID_FT);
1980 CtReq->un.gid.Fc4Type = context;
1982 if (vport->port_state < LPFC_NS_QRY)
1983 vport->port_state = LPFC_NS_QRY;
1984 lpfc_set_disctmo(vport);
1985 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1986 rsp_size = FC_MAX_NS_RSP;
1987 break;
1989 case SLI_CTNS_GID_PT:
1990 CtReq->CommandResponse.bits.CmdRsp =
1991 cpu_to_be16(SLI_CTNS_GID_PT);
1992 CtReq->un.gid.PortType = context;
1994 if (vport->port_state < LPFC_NS_QRY)
1995 vport->port_state = LPFC_NS_QRY;
1996 lpfc_set_disctmo(vport);
1997 cmpl = lpfc_cmpl_ct_cmd_gid_pt;
1998 rsp_size = FC_MAX_NS_RSP;
1999 break;
2001 case SLI_CTNS_GFF_ID:
2002 CtReq->CommandResponse.bits.CmdRsp =
2003 cpu_to_be16(SLI_CTNS_GFF_ID);
2004 CtReq->un.gff.PortId = cpu_to_be32(context);
2005 cmpl = lpfc_cmpl_ct_cmd_gff_id;
2006 break;
2008 case SLI_CTNS_GFT_ID:
2009 CtReq->CommandResponse.bits.CmdRsp =
2010 cpu_to_be16(SLI_CTNS_GFT_ID);
2011 CtReq->un.gft.PortId = cpu_to_be32(context);
2012 cmpl = lpfc_cmpl_ct_cmd_gft_id;
2013 break;
2015 case SLI_CTNS_RFT_ID:
2016 vport->ct_flags &= ~FC_CT_RFT_ID;
2017 CtReq->CommandResponse.bits.CmdRsp =
2018 cpu_to_be16(SLI_CTNS_RFT_ID);
2019 CtReq->un.rft.port_id = cpu_to_be32(vport->fc_myDID);
2021 /* Register Application Services type if vmid enabled. */
2022 if (phba->cfg_vmid_app_header)
2023 CtReq->un.rft.app_serv_reg =
2024 cpu_to_be32(RFT_APP_SERV_REG);
2026 /* Register FC4 FCP type if enabled. */
2027 if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2028 vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)
2029 CtReq->un.rft.fcp_reg = cpu_to_be32(RFT_FCP_REG);
2031 /* Register NVME type if enabled. */
2032 if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2033 vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
2034 CtReq->un.rft.nvme_reg = cpu_to_be32(RFT_NVME_REG);
2036 ptr = (uint32_t *)CtReq;
2037 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2038 "6433 Issue RFT (%s %s %s): %08x %08x %08x "
2039 "%08x %08x %08x %08x %08x\n",
2040 CtReq->un.rft.fcp_reg ? "FCP" : " ",
2041 CtReq->un.rft.nvme_reg ? "NVME" : " ",
2042 CtReq->un.rft.app_serv_reg ? "APPS" : " ",
2043 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2044 *(ptr + 4), *(ptr + 5),
2045 *(ptr + 6), *(ptr + 7));
2046 cmpl = lpfc_cmpl_ct_cmd_rft_id;
2047 break;
2049 case SLI_CTNS_RNN_ID:
2050 vport->ct_flags &= ~FC_CT_RNN_ID;
2051 CtReq->CommandResponse.bits.CmdRsp =
2052 cpu_to_be16(SLI_CTNS_RNN_ID);
2053 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
2054 memcpy(CtReq->un.rnn.wwnn, &vport->fc_nodename,
2055 sizeof(struct lpfc_name));
2056 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
2057 break;
2059 case SLI_CTNS_RSPN_ID:
2060 vport->ct_flags &= ~FC_CT_RSPN_ID;
2061 CtReq->CommandResponse.bits.CmdRsp =
2062 cpu_to_be16(SLI_CTNS_RSPN_ID);
2063 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
2064 size = sizeof(CtReq->un.rspn.symbname);
2065 CtReq->un.rspn.len =
2066 lpfc_vport_symbolic_port_name(vport,
2067 CtReq->un.rspn.symbname, size);
2068 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
2069 break;
2070 case SLI_CTNS_RSNN_NN:
2071 vport->ct_flags &= ~FC_CT_RSNN_NN;
2072 CtReq->CommandResponse.bits.CmdRsp =
2073 cpu_to_be16(SLI_CTNS_RSNN_NN);
2074 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
2075 sizeof(struct lpfc_name));
2076 size = sizeof(CtReq->un.rsnn.symbname);
2077 CtReq->un.rsnn.len =
2078 lpfc_vport_symbolic_node_name(vport,
2079 CtReq->un.rsnn.symbname, size);
2080 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
2081 break;
2082 case SLI_CTNS_DA_ID:
2083 /* Implement DA_ID Nameserver request */
2084 CtReq->CommandResponse.bits.CmdRsp =
2085 cpu_to_be16(SLI_CTNS_DA_ID);
2086 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
2087 cmpl = lpfc_cmpl_ct_cmd_da_id;
2088 break;
2089 case SLI_CTNS_RFF_ID:
2090 vport->ct_flags &= ~FC_CT_RFF_ID;
2091 CtReq->CommandResponse.bits.CmdRsp =
2092 cpu_to_be16(SLI_CTNS_RFF_ID);
2093 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
2094 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
2096 /* The driver always supports FC_TYPE_FCP. However, the
2097 * caller can specify NVME (type x28) as well. But only
2098 * these that FC4 type is supported.
2100 if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2101 (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
2102 (context == FC_TYPE_NVME)) {
2103 if ((vport == phba->pport) && phba->nvmet_support) {
2104 CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
2105 FC4_FEATURE_NVME_DISC);
2106 lpfc_nvmet_update_targetport(phba);
2107 } else {
2108 lpfc_nvme_update_localport(vport);
2110 CtReq->un.rff.type_code = context;
2112 } else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2113 (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
2114 (context == FC_TYPE_FCP))
2115 CtReq->un.rff.type_code = context;
2117 else
2118 goto ns_cmd_free_bmpvirt;
2120 ptr = (uint32_t *)CtReq;
2121 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2122 "6434 Issue RFF (%s): %08x %08x %08x %08x "
2123 "%08x %08x %08x %08x\n",
2124 (context == FC_TYPE_NVME) ? "NVME" : "FCP",
2125 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2126 *(ptr + 4), *(ptr + 5),
2127 *(ptr + 6), *(ptr + 7));
2128 cmpl = lpfc_cmpl_ct_cmd_rff_id;
2129 break;
2131 /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2132 * to hold ndlp reference for the corresponding callback function.
2134 if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
2135 /* On success, The cmpl function will free the buffers */
2136 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2137 "Issue CT cmd: cmd:x%x did:x%x",
2138 cmdcode, ndlp->nlp_DID, 0);
2139 return 0;
2141 rc=6;
2143 ns_cmd_free_bmpvirt:
2144 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2145 ns_cmd_free_bmp:
2146 kfree(bmp);
2147 ns_cmd_free_mpvirt:
2148 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2149 ns_cmd_free_mp:
2150 kfree(mp);
2151 ns_cmd_exit:
2152 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
2153 "0266 Issue NameServer Req x%x err %d Data: x%lx "
2154 "x%x\n",
2155 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
2156 return 1;
2160 * lpfc_fdmi_rprt_defer - Check for any deferred FDMI RPRT commands
2161 * @phba: Pointer to HBA context object.
2162 * @mask: Initial port attributes mask
2164 * This function checks to see if any vports have deferred their FDMI RPRT.
2165 * A vports RPRT may be deferred if it is issued before the primary ports
2166 * RHBA completes.
2168 static void
2169 lpfc_fdmi_rprt_defer(struct lpfc_hba *phba, uint32_t mask)
2171 struct lpfc_vport **vports;
2172 struct lpfc_vport *vport;
2173 struct lpfc_nodelist *ndlp;
2174 int i;
2176 set_bit(HBA_RHBA_CMPL, &phba->hba_flag);
2177 vports = lpfc_create_vport_work_array(phba);
2178 if (vports) {
2179 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2180 vport = vports[i];
2181 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2182 if (!ndlp)
2183 continue;
2184 if (vport->ct_flags & FC_CT_RPRT_DEFER) {
2185 vport->ct_flags &= ~FC_CT_RPRT_DEFER;
2186 vport->fdmi_port_mask = mask;
2187 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2191 lpfc_destroy_vport_work_array(phba, vports);
2195 * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
2196 * @phba: Pointer to HBA context object.
2197 * @cmdiocb: Pointer to the command IOCBQ.
2198 * @rspiocb: Pointer to the response IOCBQ.
2200 * This function to handle the completion of a driver initiated FDMI
2201 * CT command issued during discovery.
2203 static void
2204 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
2205 struct lpfc_iocbq *rspiocb)
2207 struct lpfc_vport *vport = cmdiocb->vport;
2208 struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
2209 struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
2210 struct lpfc_sli_ct_request *CTcmd = inp->virt;
2211 struct lpfc_sli_ct_request *CTrsp = outp->virt;
2212 __be16 fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
2213 __be16 fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
2214 struct lpfc_nodelist *ndlp, *free_ndlp = NULL;
2215 uint32_t latt, cmd, err;
2216 u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
2217 u32 ulp_word4 = get_job_word4(phba, rspiocb);
2219 latt = lpfc_els_chk_latt(vport);
2220 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2221 "FDMI cmpl: status:x%x/x%x latt:%d",
2222 ulp_status, ulp_word4, latt);
2224 if (latt || ulp_status) {
2225 lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
2226 "0229 FDMI cmd %04x failed, latt = %d "
2227 "ulp_status: (x%x/x%x), sli_flag x%x\n",
2228 be16_to_cpu(fdmi_cmd), latt, ulp_status,
2229 ulp_word4, phba->sli.sli_flag);
2231 /* Look for a retryable error */
2232 if (ulp_status == IOSTAT_LOCAL_REJECT) {
2233 switch ((ulp_word4 & IOERR_PARAM_MASK)) {
2234 case IOERR_SLI_ABORTED:
2235 case IOERR_SLI_DOWN:
2236 /* Driver aborted this IO. No retry as error
2237 * is likely Offline->Online or some adapter
2238 * error. Recovery will try again, but if port
2239 * is not active there's no point to continue
2240 * issuing follow up FDMI commands.
2242 if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) {
2243 free_ndlp = cmdiocb->ndlp;
2244 lpfc_ct_free_iocb(phba, cmdiocb);
2245 lpfc_nlp_put(free_ndlp);
2246 return;
2248 break;
2249 case IOERR_ABORT_IN_PROGRESS:
2250 case IOERR_SEQUENCE_TIMEOUT:
2251 case IOERR_ILLEGAL_FRAME:
2252 case IOERR_NO_RESOURCES:
2253 case IOERR_ILLEGAL_COMMAND:
2254 cmdiocb->retry++;
2255 if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
2256 break;
2258 /* Retry the same FDMI command */
2259 err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
2260 cmdiocb, 0);
2261 if (err == IOCB_ERROR)
2262 break;
2263 return;
2264 default:
2265 break;
2270 free_ndlp = cmdiocb->ndlp;
2271 lpfc_ct_free_iocb(phba, cmdiocb);
2272 lpfc_nlp_put(free_ndlp);
2274 ndlp = lpfc_findnode_did(vport, FDMI_DID);
2275 if (!ndlp)
2276 return;
2278 /* Check for a CT LS_RJT response */
2279 cmd = be16_to_cpu(fdmi_cmd);
2280 if (be16_to_cpu(fdmi_rsp) == SLI_CT_RESPONSE_FS_RJT) {
2281 /* Log FDMI reject */
2282 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY | LOG_ELS,
2283 "0220 FDMI cmd FS_RJT Data: x%x", cmd);
2285 /* Should we fallback to FDMI-2 / FDMI-1 ? */
2286 switch (cmd) {
2287 case SLI_MGMT_RHBA:
2288 if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
2289 /* Fallback to FDMI-1 for HBA attributes */
2290 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2292 /* If HBA attributes are FDMI1, so should
2293 * port attributes be for consistency.
2295 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2296 /* Start over */
2297 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2299 return;
2301 case SLI_MGMT_RPRT:
2302 if (vport->port_type != LPFC_PHYSICAL_PORT) {
2303 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2304 if (!ndlp)
2305 return;
2307 if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2308 /* Fallback to FDMI-1 */
2309 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2310 /* Start over */
2311 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2312 return;
2314 if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2315 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2316 /* Retry the same command */
2317 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2319 return;
2321 case SLI_MGMT_RPA:
2322 /* No retry on Vendor, RPA only done on physical port */
2323 if (phba->link_flag & LS_CT_VEN_RPA) {
2324 phba->link_flag &= ~LS_CT_VEN_RPA;
2325 if (phba->cmf_active_mode == LPFC_CFG_OFF)
2326 return;
2327 lpfc_printf_log(phba, KERN_WARNING,
2328 LOG_DISCOVERY | LOG_ELS,
2329 "6460 VEN FDMI RPA RJT\n");
2330 return;
2332 if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2333 /* Fallback to FDMI-1 */
2334 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2335 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2336 /* Start over */
2337 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2338 return;
2340 if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2341 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2342 /* Retry the same command */
2343 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2345 return;
2350 * On success, need to cycle thru FDMI registration for discovery
2351 * DHBA -> DPRT -> RHBA -> RPA (physical port)
2352 * DPRT -> RPRT (vports)
2354 switch (cmd) {
2355 case SLI_MGMT_RHBA:
2356 /* Check for any RPRTs deferred till after RHBA completes */
2357 lpfc_fdmi_rprt_defer(phba, vport->fdmi_port_mask);
2359 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
2360 break;
2362 case SLI_MGMT_DHBA:
2363 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2364 break;
2366 case SLI_MGMT_DPRT:
2367 if (vport->port_type == LPFC_PHYSICAL_PORT) {
2368 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
2369 } else {
2370 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2371 if (!ndlp)
2372 return;
2374 /* Only issue a RPRT for the vport if the RHBA
2375 * for the physical port completes successfully.
2376 * We may have to defer the RPRT accordingly.
2378 if (test_bit(HBA_RHBA_CMPL, &phba->hba_flag)) {
2379 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2380 } else {
2381 lpfc_printf_vlog(vport, KERN_INFO,
2382 LOG_DISCOVERY,
2383 "6078 RPRT deferred\n");
2384 vport->ct_flags |= FC_CT_RPRT_DEFER;
2387 break;
2388 case SLI_MGMT_RPA:
2389 if (vport->port_type == LPFC_PHYSICAL_PORT &&
2390 phba->sli4_hba.pc_sli4_params.mi_ver) {
2391 /* mi is only for the phyical port, no vports */
2392 if (phba->link_flag & LS_CT_VEN_RPA) {
2393 lpfc_printf_vlog(vport, KERN_INFO,
2394 LOG_DISCOVERY | LOG_ELS |
2395 LOG_CGN_MGMT,
2396 "6449 VEN RPA FDMI Success\n");
2397 phba->link_flag &= ~LS_CT_VEN_RPA;
2398 break;
2401 lpfc_printf_log(phba, KERN_INFO,
2402 LOG_DISCOVERY | LOG_CGN_MGMT,
2403 "6210 Issue Vendor MI FDMI %x\n",
2404 phba->sli4_hba.pc_sli4_params.mi_ver);
2406 /* CGN is only for the physical port, no vports */
2407 if (lpfc_fdmi_cmd(vport, ndlp, cmd,
2408 LPFC_FDMI_VENDOR_ATTR_mi) == 0)
2409 phba->link_flag |= LS_CT_VEN_RPA;
2410 lpfc_printf_log(phba, KERN_INFO,
2411 LOG_DISCOVERY | LOG_ELS,
2412 "6458 Send MI FDMI:%x Flag x%x\n",
2413 phba->sli4_hba.pc_sli4_params.mi_ver,
2414 phba->link_flag);
2415 } else {
2416 lpfc_printf_log(phba, KERN_INFO,
2417 LOG_DISCOVERY | LOG_ELS,
2418 "6459 No FDMI VEN MI support - "
2419 "RPA Success\n");
2421 break;
2423 return;
2428 * lpfc_fdmi_change_check - Check for changed FDMI parameters
2429 * @vport: pointer to a host virtual N_Port data structure.
2431 * Check how many mapped NPorts we are connected to
2432 * Check if our hostname changed
2433 * Called from hbeat timeout routine to check if any FDMI parameters
2434 * changed. If so, re-register those Attributes.
2436 void
2437 lpfc_fdmi_change_check(struct lpfc_vport *vport)
2439 struct lpfc_hba *phba = vport->phba;
2440 struct lpfc_nodelist *ndlp;
2441 uint16_t cnt;
2443 if (!lpfc_is_link_up(phba))
2444 return;
2446 /* Must be connected to a Fabric */
2447 if (!test_bit(FC_FABRIC, &vport->fc_flag))
2448 return;
2450 ndlp = lpfc_findnode_did(vport, FDMI_DID);
2451 if (!ndlp)
2452 return;
2454 /* Check if system hostname changed */
2455 if (strcmp(phba->os_host_name, init_utsname()->nodename)) {
2456 memset(phba->os_host_name, 0, sizeof(phba->os_host_name));
2457 scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s",
2458 init_utsname()->nodename);
2459 lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
2461 /* Since this effects multiple HBA and PORT attributes, we need
2462 * de-register and go thru the whole FDMI registration cycle.
2463 * DHBA -> DPRT -> RHBA -> RPA (physical port)
2464 * DPRT -> RPRT (vports)
2466 if (vport->port_type == LPFC_PHYSICAL_PORT) {
2467 /* For extra Vendor RPA */
2468 phba->link_flag &= ~LS_CT_VEN_RPA;
2469 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2470 } else {
2471 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2472 if (!ndlp)
2473 return;
2474 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2477 /* Since this code path registers all the port attributes
2478 * we can just return without further checking.
2480 return;
2483 if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
2484 return;
2486 /* Check if the number of mapped NPorts changed */
2487 cnt = lpfc_find_map_node(vport);
2488 if (cnt == vport->fdmi_num_disc)
2489 return;
2491 if (vport->port_type == LPFC_PHYSICAL_PORT) {
2492 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
2493 LPFC_FDMI_PORT_ATTR_num_disc);
2494 } else {
2495 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2496 if (!ndlp)
2497 return;
2498 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
2499 LPFC_FDMI_PORT_ATTR_num_disc);
2503 static inline int
2504 lpfc_fdmi_set_attr_u32(void *attr, uint16_t attrtype, uint32_t attrval)
2506 struct lpfc_fdmi_attr_u32 *ae = attr;
2507 int size = sizeof(*ae);
2509 ae->type = cpu_to_be16(attrtype);
2510 ae->len = cpu_to_be16(size);
2511 ae->value_u32 = cpu_to_be32(attrval);
2513 return size;
2516 static inline int
2517 lpfc_fdmi_set_attr_wwn(void *attr, uint16_t attrtype, struct lpfc_name *wwn)
2519 struct lpfc_fdmi_attr_wwn *ae = attr;
2520 int size = sizeof(*ae);
2522 ae->type = cpu_to_be16(attrtype);
2523 ae->len = cpu_to_be16(size);
2524 /* WWN's assumed to be bytestreams - Big Endian presentation */
2525 memcpy(ae->name, wwn,
2526 min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
2528 return size;
2531 static inline int
2532 lpfc_fdmi_set_attr_fullwwn(void *attr, uint16_t attrtype,
2533 struct lpfc_name *wwnn, struct lpfc_name *wwpn)
2535 struct lpfc_fdmi_attr_fullwwn *ae = attr;
2536 u8 *nname = ae->nname;
2537 u8 *pname = ae->pname;
2538 int size = sizeof(*ae);
2540 ae->type = cpu_to_be16(attrtype);
2541 ae->len = cpu_to_be16(size);
2542 /* WWN's assumed to be bytestreams - Big Endian presentation */
2543 memcpy(nname, wwnn,
2544 min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
2545 memcpy(pname, wwpn,
2546 min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
2548 return size;
2551 static inline int
2552 lpfc_fdmi_set_attr_string(void *attr, uint16_t attrtype, char *attrstring)
2554 struct lpfc_fdmi_attr_string *ae = attr;
2555 int len, size;
2558 * We are trusting the caller that if a fdmi string field
2559 * is capped at 64 bytes, the caller passes in a string of
2560 * 64 bytes or less.
2563 strscpy(ae->value_string, attrstring, sizeof(ae->value_string));
2564 len = strnlen(ae->value_string, sizeof(ae->value_string));
2565 /* round string length to a 32bit boundary */
2566 len += (len & 3) ? (4 - (len & 3)) : 4;
2567 /* size is Type/Len (4 bytes) plus string length */
2568 size = FOURBYTES + len;
2570 ae->type = cpu_to_be16(attrtype);
2571 ae->len = cpu_to_be16(size);
2573 return size;
2576 /* Bitfields for FC4 Types that can be reported */
2577 #define ATTR_FC4_CT 0x00000001
2578 #define ATTR_FC4_FCP 0x00000002
2579 #define ATTR_FC4_NVME 0x00000004
2581 static inline int
2582 lpfc_fdmi_set_attr_fc4types(void *attr, uint16_t attrtype, uint32_t typemask)
2584 struct lpfc_fdmi_attr_fc4types *ae = attr;
2585 int size = sizeof(*ae);
2587 ae->type = cpu_to_be16(attrtype);
2588 ae->len = cpu_to_be16(size);
2590 if (typemask & ATTR_FC4_FCP)
2591 ae->value_types[2] = 0x01; /* Type 0x8 - FCP */
2593 if (typemask & ATTR_FC4_CT)
2594 ae->value_types[7] = 0x01; /* Type 0x20 - CT */
2596 if (typemask & ATTR_FC4_NVME)
2597 ae->value_types[6] = 0x01; /* Type 0x28 - NVME */
2599 return size;
2602 /* Routines for all individual HBA attributes */
2603 static int
2604 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, void *attr)
2606 return lpfc_fdmi_set_attr_wwn(attr, RHBA_NODENAME,
2607 &vport->fc_sparam.nodeName);
2610 static int
2611 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport, void *attr)
2613 /* This string MUST be consistent with other FC platforms
2614 * supported by Broadcom.
2616 return lpfc_fdmi_set_attr_string(attr, RHBA_MANUFACTURER,
2617 "Emulex Corporation");
2620 static int
2621 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, void *attr)
2623 struct lpfc_hba *phba = vport->phba;
2625 return lpfc_fdmi_set_attr_string(attr, RHBA_SERIAL_NUMBER,
2626 phba->SerialNumber);
2629 static int
2630 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport, void *attr)
2632 struct lpfc_hba *phba = vport->phba;
2634 return lpfc_fdmi_set_attr_string(attr, RHBA_MODEL,
2635 phba->ModelName);
2638 static int
2639 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport, void *attr)
2641 struct lpfc_hba *phba = vport->phba;
2643 return lpfc_fdmi_set_attr_string(attr, RHBA_MODEL_DESCRIPTION,
2644 phba->ModelDesc);
2647 static int
2648 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport, void *attr)
2650 struct lpfc_hba *phba = vport->phba;
2651 lpfc_vpd_t *vp = &phba->vpd;
2652 char buf[16] = { 0 };
2654 snprintf(buf, sizeof(buf), "%08x", vp->rev.biuRev);
2656 return lpfc_fdmi_set_attr_string(attr, RHBA_HARDWARE_VERSION, buf);
2659 static int
2660 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport, void *attr)
2662 return lpfc_fdmi_set_attr_string(attr, RHBA_DRIVER_VERSION,
2663 lpfc_release_version);
2666 static int
2667 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport, void *attr)
2669 struct lpfc_hba *phba = vport->phba;
2670 char buf[64] = { 0 };
2672 if (phba->sli_rev == LPFC_SLI_REV4) {
2673 lpfc_decode_firmware_rev(phba, buf, 1);
2675 return lpfc_fdmi_set_attr_string(attr, RHBA_OPTION_ROM_VERSION,
2676 buf);
2679 return lpfc_fdmi_set_attr_string(attr, RHBA_OPTION_ROM_VERSION,
2680 phba->OptionROMVersion);
2683 static int
2684 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport, void *attr)
2686 struct lpfc_hba *phba = vport->phba;
2687 char buf[64] = { 0 };
2689 lpfc_decode_firmware_rev(phba, buf, 1);
2691 return lpfc_fdmi_set_attr_string(attr, RHBA_FIRMWARE_VERSION, buf);
2694 static int
2695 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport, void *attr)
2697 char buf[256] = { 0 };
2699 snprintf(buf, sizeof(buf), "%s %s %s",
2700 init_utsname()->sysname,
2701 init_utsname()->release,
2702 init_utsname()->version);
2704 return lpfc_fdmi_set_attr_string(attr, RHBA_OS_NAME_VERSION, buf);
2707 static int
2708 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport, void *attr)
2710 return lpfc_fdmi_set_attr_u32(attr, RHBA_MAX_CT_PAYLOAD_LEN,
2711 LPFC_MAX_CT_SIZE);
2714 static int
2715 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport, void *attr)
2717 char buf[256] = { 0 };
2719 lpfc_vport_symbolic_node_name(vport, buf, sizeof(buf));
2721 return lpfc_fdmi_set_attr_string(attr, RHBA_SYM_NODENAME, buf);
2724 static int
2725 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport, void *attr)
2727 return lpfc_fdmi_set_attr_u32(attr, RHBA_VENDOR_INFO, 0);
2730 static int
2731 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport, void *attr)
2733 /* Each driver instance corresponds to a single port */
2734 return lpfc_fdmi_set_attr_u32(attr, RHBA_NUM_PORTS, 1);
2737 static int
2738 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport, void *attr)
2740 return lpfc_fdmi_set_attr_wwn(attr, RHBA_FABRIC_WWNN,
2741 &vport->fabric_nodename);
2744 static int
2745 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport, void *attr)
2747 struct lpfc_hba *phba = vport->phba;
2749 return lpfc_fdmi_set_attr_string(attr, RHBA_BIOS_VERSION,
2750 phba->BIOSVersion);
2753 static int
2754 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport, void *attr)
2756 /* Driver doesn't have access to this information */
2757 return lpfc_fdmi_set_attr_u32(attr, RHBA_BIOS_STATE, 0);
2760 static int
2761 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport, void *attr)
2763 return lpfc_fdmi_set_attr_string(attr, RHBA_VENDOR_ID, "EMULEX");
2767 * Routines for all individual PORT attributes
2770 static int
2771 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport, void *attr)
2773 struct lpfc_hba *phba = vport->phba;
2774 u32 fc4types;
2776 fc4types = (ATTR_FC4_CT | ATTR_FC4_FCP);
2778 /* Check to see if Firmware supports NVME and on physical port */
2779 if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) &&
2780 phba->sli4_hba.pc_sli4_params.nvme)
2781 fc4types |= ATTR_FC4_NVME;
2783 return lpfc_fdmi_set_attr_fc4types(attr, RPRT_SUPPORTED_FC4_TYPES,
2784 fc4types);
2787 static int
2788 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport, void *attr)
2790 struct lpfc_hba *phba = vport->phba;
2791 u32 speeds = 0;
2792 u32 tcfg;
2793 u8 i, cnt;
2795 if (!test_bit(HBA_FCOE_MODE, &phba->hba_flag)) {
2796 cnt = 0;
2797 if (phba->sli_rev == LPFC_SLI_REV4) {
2798 tcfg = phba->sli4_hba.conf_trunk;
2799 for (i = 0; i < 4; i++, tcfg >>= 1)
2800 if (tcfg & 1)
2801 cnt++;
2804 if (cnt > 2) { /* 4 lane trunk group */
2805 if (phba->lmt & LMT_64Gb)
2806 speeds |= HBA_PORTSPEED_256GFC;
2807 if (phba->lmt & LMT_32Gb)
2808 speeds |= HBA_PORTSPEED_128GFC;
2809 if (phba->lmt & LMT_16Gb)
2810 speeds |= HBA_PORTSPEED_64GFC;
2811 } else if (cnt) { /* 2 lane trunk group */
2812 if (phba->lmt & LMT_128Gb)
2813 speeds |= HBA_PORTSPEED_256GFC;
2814 if (phba->lmt & LMT_64Gb)
2815 speeds |= HBA_PORTSPEED_128GFC;
2816 if (phba->lmt & LMT_32Gb)
2817 speeds |= HBA_PORTSPEED_64GFC;
2818 if (phba->lmt & LMT_16Gb)
2819 speeds |= HBA_PORTSPEED_32GFC;
2820 } else {
2821 if (phba->lmt & LMT_256Gb)
2822 speeds |= HBA_PORTSPEED_256GFC;
2823 if (phba->lmt & LMT_128Gb)
2824 speeds |= HBA_PORTSPEED_128GFC;
2825 if (phba->lmt & LMT_64Gb)
2826 speeds |= HBA_PORTSPEED_64GFC;
2827 if (phba->lmt & LMT_32Gb)
2828 speeds |= HBA_PORTSPEED_32GFC;
2829 if (phba->lmt & LMT_16Gb)
2830 speeds |= HBA_PORTSPEED_16GFC;
2831 if (phba->lmt & LMT_10Gb)
2832 speeds |= HBA_PORTSPEED_10GFC;
2833 if (phba->lmt & LMT_8Gb)
2834 speeds |= HBA_PORTSPEED_8GFC;
2835 if (phba->lmt & LMT_4Gb)
2836 speeds |= HBA_PORTSPEED_4GFC;
2837 if (phba->lmt & LMT_2Gb)
2838 speeds |= HBA_PORTSPEED_2GFC;
2839 if (phba->lmt & LMT_1Gb)
2840 speeds |= HBA_PORTSPEED_1GFC;
2842 } else {
2843 /* FCoE links support only one speed */
2844 switch (phba->fc_linkspeed) {
2845 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2846 speeds = HBA_PORTSPEED_10GE;
2847 break;
2848 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2849 speeds = HBA_PORTSPEED_25GE;
2850 break;
2851 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2852 speeds = HBA_PORTSPEED_40GE;
2853 break;
2854 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2855 speeds = HBA_PORTSPEED_100GE;
2856 break;
2860 return lpfc_fdmi_set_attr_u32(attr, RPRT_SUPPORTED_SPEED, speeds);
2863 static int
2864 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport, void *attr)
2866 struct lpfc_hba *phba = vport->phba;
2867 u32 speeds = 0;
2869 if (!test_bit(HBA_FCOE_MODE, &phba->hba_flag)) {
2870 switch (phba->fc_linkspeed) {
2871 case LPFC_LINK_SPEED_1GHZ:
2872 speeds = HBA_PORTSPEED_1GFC;
2873 break;
2874 case LPFC_LINK_SPEED_2GHZ:
2875 speeds = HBA_PORTSPEED_2GFC;
2876 break;
2877 case LPFC_LINK_SPEED_4GHZ:
2878 speeds = HBA_PORTSPEED_4GFC;
2879 break;
2880 case LPFC_LINK_SPEED_8GHZ:
2881 speeds = HBA_PORTSPEED_8GFC;
2882 break;
2883 case LPFC_LINK_SPEED_10GHZ:
2884 speeds = HBA_PORTSPEED_10GFC;
2885 break;
2886 case LPFC_LINK_SPEED_16GHZ:
2887 speeds = HBA_PORTSPEED_16GFC;
2888 break;
2889 case LPFC_LINK_SPEED_32GHZ:
2890 speeds = HBA_PORTSPEED_32GFC;
2891 break;
2892 case LPFC_LINK_SPEED_64GHZ:
2893 speeds = HBA_PORTSPEED_64GFC;
2894 break;
2895 case LPFC_LINK_SPEED_128GHZ:
2896 speeds = HBA_PORTSPEED_128GFC;
2897 break;
2898 case LPFC_LINK_SPEED_256GHZ:
2899 speeds = HBA_PORTSPEED_256GFC;
2900 break;
2901 default:
2902 speeds = HBA_PORTSPEED_UNKNOWN;
2903 break;
2905 } else {
2906 switch (phba->fc_linkspeed) {
2907 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2908 speeds = HBA_PORTSPEED_10GE;
2909 break;
2910 case LPFC_ASYNC_LINK_SPEED_25GBPS:
2911 speeds = HBA_PORTSPEED_25GE;
2912 break;
2913 case LPFC_ASYNC_LINK_SPEED_40GBPS:
2914 speeds = HBA_PORTSPEED_40GE;
2915 break;
2916 case LPFC_ASYNC_LINK_SPEED_100GBPS:
2917 speeds = HBA_PORTSPEED_100GE;
2918 break;
2919 default:
2920 speeds = HBA_PORTSPEED_UNKNOWN;
2921 break;
2925 return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_SPEED, speeds);
2928 static int
2929 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport, void *attr)
2931 struct serv_parm *hsp = (struct serv_parm *)&vport->fc_sparam;
2933 return lpfc_fdmi_set_attr_u32(attr, RPRT_MAX_FRAME_SIZE,
2934 (((uint32_t)hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
2935 (uint32_t)hsp->cmn.bbRcvSizeLsb);
2938 static int
2939 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport, void *attr)
2941 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2942 char buf[64] = { 0 };
2944 snprintf(buf, sizeof(buf), "/sys/class/scsi_host/host%d",
2945 shost->host_no);
2947 return lpfc_fdmi_set_attr_string(attr, RPRT_OS_DEVICE_NAME, buf);
2950 static int
2951 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport, void *attr)
2953 char buf[64] = { 0 };
2955 scnprintf(buf, sizeof(buf), "%s", vport->phba->os_host_name);
2957 return lpfc_fdmi_set_attr_string(attr, RPRT_HOST_NAME, buf);
2960 static int
2961 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport, void *attr)
2963 return lpfc_fdmi_set_attr_wwn(attr, RPRT_NODENAME,
2964 &vport->fc_sparam.nodeName);
2967 static int
2968 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport, void *attr)
2970 return lpfc_fdmi_set_attr_wwn(attr, RPRT_PORTNAME,
2971 &vport->fc_sparam.portName);
2974 static int
2975 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport, void *attr)
2977 char buf[256] = { 0 };
2979 lpfc_vport_symbolic_port_name(vport, buf, sizeof(buf));
2981 return lpfc_fdmi_set_attr_string(attr, RPRT_SYM_PORTNAME, buf);
2984 static int
2985 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport, void *attr)
2987 struct lpfc_hba *phba = vport->phba;
2989 return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_TYPE,
2990 (phba->fc_topology == LPFC_TOPOLOGY_LOOP) ?
2991 LPFC_FDMI_PORTTYPE_NLPORT :
2992 LPFC_FDMI_PORTTYPE_NPORT);
2995 static int
2996 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport, void *attr)
2998 return lpfc_fdmi_set_attr_u32(attr, RPRT_SUPPORTED_CLASS,
2999 FC_COS_CLASS2 | FC_COS_CLASS3);
3002 static int
3003 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport, void *attr)
3005 return lpfc_fdmi_set_attr_wwn(attr, RPRT_FABRICNAME,
3006 &vport->fabric_portname);
3009 static int
3010 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport, void *attr)
3012 struct lpfc_hba *phba = vport->phba;
3013 u32 fc4types;
3015 fc4types = (ATTR_FC4_CT | ATTR_FC4_FCP);
3017 /* Check to see if NVME is configured or not */
3018 if (vport == phba->pport &&
3019 phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
3020 fc4types |= ATTR_FC4_NVME;
3022 return lpfc_fdmi_set_attr_fc4types(attr, RPRT_ACTIVE_FC4_TYPES,
3023 fc4types);
3026 static int
3027 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport, void *attr)
3029 return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_STATE,
3030 LPFC_FDMI_PORTSTATE_ONLINE);
3033 static int
3034 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport, void *attr)
3036 vport->fdmi_num_disc = lpfc_find_map_node(vport);
3038 return lpfc_fdmi_set_attr_u32(attr, RPRT_DISC_PORT,
3039 vport->fdmi_num_disc);
3042 static int
3043 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport, void *attr)
3045 return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_ID, vport->fc_myDID);
3048 static int
3049 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport, void *attr)
3051 return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_SERVICE,
3052 "Smart SAN Initiator");
3055 static int
3056 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport, void *attr)
3058 return lpfc_fdmi_set_attr_fullwwn(attr, RPRT_SMART_GUID,
3059 &vport->fc_sparam.nodeName,
3060 &vport->fc_sparam.portName);
3063 static int
3064 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport, void *attr)
3066 return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_VERSION,
3067 "Smart SAN Version 2.0");
3070 static int
3071 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport, void *attr)
3073 struct lpfc_hba *phba = vport->phba;
3075 return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_MODEL,
3076 phba->ModelName);
3079 static int
3080 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport, void *attr)
3082 /* SRIOV (type 3) is not supported */
3084 return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_PORT_INFO,
3085 (vport->vpi) ? 2 /* NPIV */ : 1 /* Physical */);
3088 static int
3089 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport, void *attr)
3091 return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_QOS, 0);
3094 static int
3095 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport, void *attr)
3097 return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_SECURITY, 1);
3100 static int
3101 lpfc_fdmi_vendor_attr_mi(struct lpfc_vport *vport, void *attr)
3103 struct lpfc_hba *phba = vport->phba;
3104 char buf[32] = { 0 };
3106 sprintf(buf, "ELXE2EM:%04d", phba->sli4_hba.pc_sli4_params.mi_ver);
3108 return lpfc_fdmi_set_attr_string(attr, RPRT_VENDOR_MI, buf);
3111 /* RHBA attribute jump table */
3112 static int (*lpfc_fdmi_hba_action[])
3113 (struct lpfc_vport *vport, void *attrbuf) = {
3114 /* Action routine Mask bit Attribute type */
3115 lpfc_fdmi_hba_attr_wwnn, /* bit0 RHBA_NODENAME */
3116 lpfc_fdmi_hba_attr_manufacturer, /* bit1 RHBA_MANUFACTURER */
3117 lpfc_fdmi_hba_attr_sn, /* bit2 RHBA_SERIAL_NUMBER */
3118 lpfc_fdmi_hba_attr_model, /* bit3 RHBA_MODEL */
3119 lpfc_fdmi_hba_attr_description, /* bit4 RHBA_MODEL_DESCRIPTION */
3120 lpfc_fdmi_hba_attr_hdw_ver, /* bit5 RHBA_HARDWARE_VERSION */
3121 lpfc_fdmi_hba_attr_drvr_ver, /* bit6 RHBA_DRIVER_VERSION */
3122 lpfc_fdmi_hba_attr_rom_ver, /* bit7 RHBA_OPTION_ROM_VERSION */
3123 lpfc_fdmi_hba_attr_fmw_ver, /* bit8 RHBA_FIRMWARE_VERSION */
3124 lpfc_fdmi_hba_attr_os_ver, /* bit9 RHBA_OS_NAME_VERSION */
3125 lpfc_fdmi_hba_attr_ct_len, /* bit10 RHBA_MAX_CT_PAYLOAD_LEN */
3126 lpfc_fdmi_hba_attr_symbolic_name, /* bit11 RHBA_SYM_NODENAME */
3127 lpfc_fdmi_hba_attr_vendor_info, /* bit12 RHBA_VENDOR_INFO */
3128 lpfc_fdmi_hba_attr_num_ports, /* bit13 RHBA_NUM_PORTS */
3129 lpfc_fdmi_hba_attr_fabric_wwnn, /* bit14 RHBA_FABRIC_WWNN */
3130 lpfc_fdmi_hba_attr_bios_ver, /* bit15 RHBA_BIOS_VERSION */
3131 lpfc_fdmi_hba_attr_bios_state, /* bit16 RHBA_BIOS_STATE */
3132 lpfc_fdmi_hba_attr_vendor_id, /* bit17 RHBA_VENDOR_ID */
3135 /* RPA / RPRT attribute jump table */
3136 static int (*lpfc_fdmi_port_action[])
3137 (struct lpfc_vport *vport, void *attrbuf) = {
3138 /* Action routine Mask bit Attribute type */
3139 lpfc_fdmi_port_attr_fc4type, /* bit0 RPRT_SUPPORT_FC4_TYPES */
3140 lpfc_fdmi_port_attr_support_speed, /* bit1 RPRT_SUPPORTED_SPEED */
3141 lpfc_fdmi_port_attr_speed, /* bit2 RPRT_PORT_SPEED */
3142 lpfc_fdmi_port_attr_max_frame, /* bit3 RPRT_MAX_FRAME_SIZE */
3143 lpfc_fdmi_port_attr_os_devname, /* bit4 RPRT_OS_DEVICE_NAME */
3144 lpfc_fdmi_port_attr_host_name, /* bit5 RPRT_HOST_NAME */
3145 lpfc_fdmi_port_attr_wwnn, /* bit6 RPRT_NODENAME */
3146 lpfc_fdmi_port_attr_wwpn, /* bit7 RPRT_PORTNAME */
3147 lpfc_fdmi_port_attr_symbolic_name, /* bit8 RPRT_SYM_PORTNAME */
3148 lpfc_fdmi_port_attr_port_type, /* bit9 RPRT_PORT_TYPE */
3149 lpfc_fdmi_port_attr_class, /* bit10 RPRT_SUPPORTED_CLASS */
3150 lpfc_fdmi_port_attr_fabric_wwpn, /* bit11 RPRT_FABRICNAME */
3151 lpfc_fdmi_port_attr_active_fc4type, /* bit12 RPRT_ACTIVE_FC4_TYPES */
3152 lpfc_fdmi_port_attr_port_state, /* bit13 RPRT_PORT_STATE */
3153 lpfc_fdmi_port_attr_num_disc, /* bit14 RPRT_DISC_PORT */
3154 lpfc_fdmi_port_attr_nportid, /* bit15 RPRT_PORT_ID */
3155 lpfc_fdmi_smart_attr_service, /* bit16 RPRT_SMART_SERVICE */
3156 lpfc_fdmi_smart_attr_guid, /* bit17 RPRT_SMART_GUID */
3157 lpfc_fdmi_smart_attr_version, /* bit18 RPRT_SMART_VERSION */
3158 lpfc_fdmi_smart_attr_model, /* bit19 RPRT_SMART_MODEL */
3159 lpfc_fdmi_smart_attr_port_info, /* bit20 RPRT_SMART_PORT_INFO */
3160 lpfc_fdmi_smart_attr_qos, /* bit21 RPRT_SMART_QOS */
3161 lpfc_fdmi_smart_attr_security, /* bit22 RPRT_SMART_SECURITY */
3162 lpfc_fdmi_vendor_attr_mi, /* bit23 RPRT_VENDOR_MI */
3166 * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
3167 * @vport: pointer to a host virtual N_Port data structure.
3168 * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
3169 * @cmdcode: FDMI command to send
3170 * @new_mask: Mask of HBA or PORT Attributes to send
3172 * Builds and sends a FDMI command using the CT subsystem.
3175 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
3176 int cmdcode, uint32_t new_mask)
3178 struct lpfc_hba *phba = vport->phba;
3179 struct lpfc_dmabuf *rq, *rsp;
3180 struct lpfc_sli_ct_request *CtReq;
3181 struct ulp_bde64_le *bde;
3182 uint32_t bit_pos;
3183 uint32_t size, addsz;
3184 uint32_t rsp_size;
3185 uint32_t mask;
3186 struct lpfc_fdmi_reg_hba *rh;
3187 struct lpfc_fdmi_port_entry *pe;
3188 struct lpfc_fdmi_reg_portattr *pab = NULL, *base = NULL;
3189 struct lpfc_fdmi_attr_block *ab = NULL;
3190 int (*func)(struct lpfc_vport *vport, void *attrbuf);
3191 void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3192 struct lpfc_iocbq *rspiocb);
3194 if (!ndlp)
3195 return 0;
3197 cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
3199 /* fill in BDEs for command */
3200 /* Allocate buffer for command payload */
3201 rq = kmalloc(sizeof(*rq), GFP_KERNEL);
3202 if (!rq)
3203 goto fdmi_cmd_exit;
3205 rq->virt = lpfc_mbuf_alloc(phba, 0, &rq->phys);
3206 if (!rq->virt)
3207 goto fdmi_cmd_free_rq;
3209 /* Allocate buffer for Buffer ptr list */
3210 rsp = kmalloc(sizeof(*rsp), GFP_KERNEL);
3211 if (!rsp)
3212 goto fdmi_cmd_free_rqvirt;
3214 rsp->virt = lpfc_mbuf_alloc(phba, 0, &rsp->phys);
3215 if (!rsp->virt)
3216 goto fdmi_cmd_free_rsp;
3218 INIT_LIST_HEAD(&rq->list);
3219 INIT_LIST_HEAD(&rsp->list);
3221 /* mbuf buffers are 1K in length - aka LPFC_BPL_SIZE */
3222 memset(rq->virt, 0, LPFC_BPL_SIZE);
3223 rsp_size = LPFC_BPL_SIZE;
3225 /* FDMI request */
3226 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3227 "0218 FDMI Request x%x mask x%x Data: x%x x%lx x%x\n",
3228 cmdcode, new_mask, vport->fdmi_port_mask,
3229 vport->fc_flag, vport->port_state);
3231 CtReq = (struct lpfc_sli_ct_request *)rq->virt;
3233 /* First populate the CT_IU preamble */
3234 CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
3235 CtReq->RevisionId.bits.InId = 0;
3237 CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3238 CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
3240 CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3242 size = 0;
3244 /* Next fill in the specific FDMI cmd information */
3245 switch (cmdcode) {
3246 case SLI_MGMT_RHAT:
3247 case SLI_MGMT_RHBA:
3248 rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un;
3249 /* HBA Identifier */
3250 memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
3251 sizeof(struct lpfc_name));
3252 size += sizeof(struct lpfc_fdmi_hba_ident);
3254 if (cmdcode == SLI_MGMT_RHBA) {
3255 /* Registered Port List */
3256 /* One entry (port) per adapter */
3257 rh->rpl.EntryCnt = cpu_to_be32(1);
3258 memcpy(&rh->rpl.pe.PortName,
3259 &phba->pport->fc_sparam.portName,
3260 sizeof(struct lpfc_name));
3261 size += sizeof(struct lpfc_fdmi_reg_port_list);
3264 ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
3265 ab->EntryCnt = 0;
3266 size += FOURBYTES; /* add length of EntryCnt field */
3268 bit_pos = 0;
3269 if (new_mask)
3270 mask = new_mask;
3271 else
3272 mask = vport->fdmi_hba_mask;
3274 /* Mask will dictate what attributes to build in the request */
3275 while (mask) {
3276 if (mask & 0x1) {
3277 func = lpfc_fdmi_hba_action[bit_pos];
3278 addsz = func(vport, ((uint8_t *)rh + size));
3279 if (addsz) {
3280 ab->EntryCnt++;
3281 size += addsz;
3283 /* check if another attribute fits */
3284 if ((size + FDMI_MAX_ATTRLEN) >
3285 (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3286 goto hba_out;
3288 mask = mask >> 1;
3289 bit_pos++;
3291 hba_out:
3292 ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
3293 /* Total size */
3294 size += GID_REQUEST_SZ - 4;
3295 break;
3297 case SLI_MGMT_RPRT:
3298 if (vport->port_type != LPFC_PHYSICAL_PORT) {
3299 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
3300 if (!ndlp)
3301 return 0;
3303 fallthrough;
3304 case SLI_MGMT_RPA:
3305 /* Store base ptr right after preamble */
3306 base = (struct lpfc_fdmi_reg_portattr *)&CtReq->un;
3308 if (cmdcode == SLI_MGMT_RPRT) {
3309 rh = (struct lpfc_fdmi_reg_hba *)base;
3310 /* HBA Identifier */
3311 memcpy(&rh->hi.PortName,
3312 &phba->pport->fc_sparam.portName,
3313 sizeof(struct lpfc_name));
3314 pab = (struct lpfc_fdmi_reg_portattr *)
3315 ((uint8_t *)base + sizeof(struct lpfc_name));
3316 size += sizeof(struct lpfc_name);
3317 } else {
3318 pab = base;
3321 memcpy((uint8_t *)&pab->PortName,
3322 (uint8_t *)&vport->fc_sparam.portName,
3323 sizeof(struct lpfc_name));
3324 pab->ab.EntryCnt = 0;
3325 /* add length of name and EntryCnt field */
3326 size += sizeof(struct lpfc_name) + FOURBYTES;
3328 bit_pos = 0;
3329 if (new_mask)
3330 mask = new_mask;
3331 else
3332 mask = vport->fdmi_port_mask;
3334 /* Mask will dictate what attributes to build in the request */
3335 while (mask) {
3336 if (mask & 0x1) {
3337 func = lpfc_fdmi_port_action[bit_pos];
3338 addsz = func(vport, ((uint8_t *)base + size));
3339 if (addsz) {
3340 pab->ab.EntryCnt++;
3341 size += addsz;
3343 /* check if another attribute fits */
3344 if ((size + FDMI_MAX_ATTRLEN) >
3345 (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3346 goto port_out;
3348 mask = mask >> 1;
3349 bit_pos++;
3351 port_out:
3352 pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
3353 size += GID_REQUEST_SZ - 4;
3354 break;
3356 case SLI_MGMT_GHAT:
3357 case SLI_MGMT_GRPL:
3358 rsp_size = FC_MAX_NS_RSP;
3359 fallthrough;
3360 case SLI_MGMT_DHBA:
3361 case SLI_MGMT_DHAT:
3362 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un;
3363 memcpy((uint8_t *)&pe->PortName,
3364 (uint8_t *)&vport->fc_sparam.portName,
3365 sizeof(struct lpfc_name));
3366 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3367 break;
3369 case SLI_MGMT_GPAT:
3370 case SLI_MGMT_GPAS:
3371 rsp_size = FC_MAX_NS_RSP;
3372 fallthrough;
3373 case SLI_MGMT_DPRT:
3374 if (vport->port_type != LPFC_PHYSICAL_PORT) {
3375 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
3376 if (!ndlp)
3377 return 0;
3379 fallthrough;
3380 case SLI_MGMT_DPA:
3381 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un;
3382 memcpy((uint8_t *)&pe->PortName,
3383 (uint8_t *)&vport->fc_sparam.portName,
3384 sizeof(struct lpfc_name));
3385 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3386 break;
3387 case SLI_MGMT_GRHL:
3388 size = GID_REQUEST_SZ - 4;
3389 break;
3390 default:
3391 lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
3392 "0298 FDMI cmdcode x%x not supported\n",
3393 cmdcode);
3394 goto fdmi_cmd_free_rspvirt;
3396 CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3398 bde = (struct ulp_bde64_le *)rsp->virt;
3399 bde->addr_high = cpu_to_le32(putPaddrHigh(rq->phys));
3400 bde->addr_low = cpu_to_le32(putPaddrLow(rq->phys));
3401 bde->type_size = cpu_to_le32(ULP_BDE64_TYPE_BDE_64 <<
3402 ULP_BDE64_TYPE_SHIFT);
3403 bde->type_size |= cpu_to_le32(size);
3406 * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3407 * to hold ndlp reference for the corresponding callback function.
3409 if (!lpfc_ct_cmd(vport, rq, rsp, ndlp, cmpl, rsp_size, 0))
3410 return 0;
3412 fdmi_cmd_free_rspvirt:
3413 lpfc_mbuf_free(phba, rsp->virt, rsp->phys);
3414 fdmi_cmd_free_rsp:
3415 kfree(rsp);
3416 fdmi_cmd_free_rqvirt:
3417 lpfc_mbuf_free(phba, rq->virt, rq->phys);
3418 fdmi_cmd_free_rq:
3419 kfree(rq);
3420 fdmi_cmd_exit:
3421 /* Issue FDMI request failed */
3422 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3423 "0244 Issue FDMI request failed Data: x%x\n",
3424 cmdcode);
3425 return 1;
3429 * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
3430 * @t: Context object of the timer.
3432 * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
3433 * the worker thread.
3435 void
3436 lpfc_delayed_disc_tmo(struct timer_list *t)
3438 struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
3439 struct lpfc_hba *phba = vport->phba;
3440 uint32_t tmo_posted;
3441 unsigned long iflag;
3443 spin_lock_irqsave(&vport->work_port_lock, iflag);
3444 tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
3445 if (!tmo_posted)
3446 vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
3447 spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3449 if (!tmo_posted)
3450 lpfc_worker_wake_up(phba);
3451 return;
3455 * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
3456 * handle delayed discovery.
3457 * @vport: pointer to a host virtual N_Port data structure.
3459 * This function start nport discovery of the vport.
3461 void
3462 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
3464 if (!test_and_clear_bit(FC_DISC_DELAYED, &vport->fc_flag))
3465 return;
3467 lpfc_do_scr_ns_plogi(vport->phba, vport);
3470 void
3471 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
3473 struct lpfc_sli *psli = &phba->sli;
3474 lpfc_vpd_t *vp = &phba->vpd;
3475 uint32_t b1, b2, b3, b4, i, rev;
3476 char c;
3477 uint32_t *ptr, str[4];
3478 uint8_t *fwname;
3480 if (phba->sli_rev == LPFC_SLI_REV4)
3481 snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
3482 else if (vp->rev.rBit) {
3483 if (psli->sli_flag & LPFC_SLI_ACTIVE)
3484 rev = vp->rev.sli2FwRev;
3485 else
3486 rev = vp->rev.sli1FwRev;
3488 b1 = (rev & 0x0000f000) >> 12;
3489 b2 = (rev & 0x00000f00) >> 8;
3490 b3 = (rev & 0x000000c0) >> 6;
3491 b4 = (rev & 0x00000030) >> 4;
3493 switch (b4) {
3494 case 0:
3495 c = 'N';
3496 break;
3497 case 1:
3498 c = 'A';
3499 break;
3500 case 2:
3501 c = 'B';
3502 break;
3503 case 3:
3504 c = 'X';
3505 break;
3506 default:
3507 c = 0;
3508 break;
3510 b4 = (rev & 0x0000000f);
3512 if (psli->sli_flag & LPFC_SLI_ACTIVE)
3513 fwname = vp->rev.sli2FwName;
3514 else
3515 fwname = vp->rev.sli1FwName;
3517 for (i = 0; i < 16; i++)
3518 if (fwname[i] == 0x20)
3519 fwname[i] = 0;
3521 ptr = (uint32_t*)fwname;
3523 for (i = 0; i < 3; i++)
3524 str[i] = be32_to_cpu(*ptr++);
3526 if (c == 0) {
3527 if (flag)
3528 sprintf(fwrevision, "%d.%d%d (%s)",
3529 b1, b2, b3, (char *)str);
3530 else
3531 sprintf(fwrevision, "%d.%d%d", b1,
3532 b2, b3);
3533 } else {
3534 if (flag)
3535 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3536 b1, b2, b3, c,
3537 b4, (char *)str);
3538 else
3539 sprintf(fwrevision, "%d.%d%d%c%d",
3540 b1, b2, b3, c, b4);
3542 } else {
3543 rev = vp->rev.smFwRev;
3545 b1 = (rev & 0xff000000) >> 24;
3546 b2 = (rev & 0x00f00000) >> 20;
3547 b3 = (rev & 0x000f0000) >> 16;
3548 c = (rev & 0x0000ff00) >> 8;
3549 b4 = (rev & 0x000000ff);
3551 sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3553 return;
3556 static void
3557 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3558 struct lpfc_iocbq *rspiocb)
3560 struct lpfc_vport *vport = cmdiocb->vport;
3561 struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
3562 struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
3563 struct lpfc_sli_ct_request *ctcmd = inp->virt;
3564 struct lpfc_sli_ct_request *ctrsp = outp->virt;
3565 __be16 rsp = ctrsp->CommandResponse.bits.CmdRsp;
3566 struct app_id_object *app;
3567 struct lpfc_nodelist *ndlp = cmdiocb->ndlp;
3568 u32 cmd, hash, bucket;
3569 struct lpfc_vmid *vmp, *cur;
3570 u8 *data = outp->virt;
3571 int i;
3573 cmd = be16_to_cpu(ctcmd->CommandResponse.bits.CmdRsp);
3574 if (cmd == SLI_CTAS_DALLAPP_ID)
3575 lpfc_ct_free_iocb(phba, cmdiocb);
3577 if (lpfc_els_chk_latt(vport) || get_job_ulpstatus(phba, rspiocb)) {
3578 if (cmd != SLI_CTAS_DALLAPP_ID)
3579 goto free_res;
3581 /* Check for a CT LS_RJT response */
3582 if (be16_to_cpu(rsp) == SLI_CT_RESPONSE_FS_RJT) {
3583 if (cmd != SLI_CTAS_DALLAPP_ID)
3584 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3585 "3306 VMID FS_RJT Data: x%x x%x x%x\n",
3586 cmd, ctrsp->ReasonCode,
3587 ctrsp->Explanation);
3588 if ((cmd != SLI_CTAS_DALLAPP_ID) ||
3589 (ctrsp->ReasonCode != SLI_CT_UNABLE_TO_PERFORM_REQ) ||
3590 (ctrsp->Explanation != SLI_CT_APP_ID_NOT_AVAILABLE)) {
3591 /* If DALLAPP_ID failed retry later */
3592 if (cmd == SLI_CTAS_DALLAPP_ID)
3593 set_bit(FC_DEREGISTER_ALL_APP_ID,
3594 &vport->load_flag);
3595 goto free_res;
3599 switch (cmd) {
3600 case SLI_CTAS_RAPP_IDENT:
3601 app = (struct app_id_object *)(RAPP_IDENT_OFFSET + data);
3602 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3603 "6712 RAPP_IDENT app id %d port id x%x id "
3604 "len %d\n", be32_to_cpu(app->app_id),
3605 be32_to_cpu(app->port_id),
3606 app->obj.entity_id_len);
3608 if (app->obj.entity_id_len == 0 || app->port_id == 0)
3609 goto free_res;
3611 hash = lpfc_vmid_hash_fn(app->obj.entity_id,
3612 app->obj.entity_id_len);
3613 vmp = lpfc_get_vmid_from_hashtable(vport, hash,
3614 app->obj.entity_id);
3615 if (vmp) {
3616 write_lock(&vport->vmid_lock);
3617 vmp->un.app_id = be32_to_cpu(app->app_id);
3618 vmp->flag |= LPFC_VMID_REGISTERED;
3619 vmp->flag &= ~LPFC_VMID_REQ_REGISTER;
3620 write_unlock(&vport->vmid_lock);
3621 /* Set IN USE flag */
3622 vport->vmid_flag |= LPFC_VMID_IN_USE;
3623 } else {
3624 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3625 "6901 No entry found %s hash %d\n",
3626 app->obj.entity_id, hash);
3628 break;
3629 case SLI_CTAS_DAPP_IDENT:
3630 app = (struct app_id_object *)(DAPP_IDENT_OFFSET + data);
3631 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3632 "6713 DAPP_IDENT app id %d port id x%x\n",
3633 be32_to_cpu(app->app_id),
3634 be32_to_cpu(app->port_id));
3635 break;
3636 case SLI_CTAS_DALLAPP_ID:
3637 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3638 "8856 Deregistered all app ids\n");
3639 read_lock(&vport->vmid_lock);
3640 for (i = 0; i < phba->cfg_max_vmid; i++) {
3641 vmp = &vport->vmid[i];
3642 if (vmp->flag != LPFC_VMID_SLOT_FREE)
3643 memset(vmp, 0, sizeof(struct lpfc_vmid));
3645 read_unlock(&vport->vmid_lock);
3646 /* for all elements in the hash table */
3647 if (!hash_empty(vport->hash_table))
3648 hash_for_each(vport->hash_table, bucket, cur, hnode)
3649 hash_del(&cur->hnode);
3650 set_bit(FC_ALLOW_VMID, &vport->load_flag);
3651 break;
3652 default:
3653 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3654 "8857 Invalid command code\n");
3656 free_res:
3657 lpfc_ct_free_iocb(phba, cmdiocb);
3658 lpfc_nlp_put(ndlp);
3662 * lpfc_vmid_cmd - Build and send a FDMI cmd to the specified NPort
3663 * @vport: pointer to a host virtual N_Port data structure.
3664 * @cmdcode: application server command code to send
3665 * @vmid: pointer to vmid info structure
3667 * Builds and sends a FDMI command using the CT subsystem.
3670 lpfc_vmid_cmd(struct lpfc_vport *vport,
3671 int cmdcode, struct lpfc_vmid *vmid)
3673 struct lpfc_hba *phba = vport->phba;
3674 struct lpfc_dmabuf *mp, *bmp;
3675 struct lpfc_sli_ct_request *ctreq;
3676 struct ulp_bde64 *bpl;
3677 u32 size;
3678 u32 rsp_size;
3679 u8 *data;
3680 struct lpfc_vmid_rapp_ident_list *rap;
3681 struct lpfc_vmid_dapp_ident_list *dap;
3682 u8 retry = 0;
3683 struct lpfc_nodelist *ndlp;
3685 void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3686 struct lpfc_iocbq *rspiocb);
3688 ndlp = lpfc_findnode_did(vport, FDMI_DID);
3689 if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
3690 return 0;
3692 cmpl = lpfc_cmpl_ct_cmd_vmid;
3694 /* fill in BDEs for command */
3695 /* Allocate buffer for command payload */
3696 mp = kmalloc(sizeof(*mp), GFP_KERNEL);
3697 if (!mp)
3698 goto vmid_free_mp_exit;
3700 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3701 if (!mp->virt)
3702 goto vmid_free_mp_virt_exit;
3704 /* Allocate buffer for Buffer ptr list */
3705 bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
3706 if (!bmp)
3707 goto vmid_free_bmp_exit;
3709 bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
3710 if (!bmp->virt)
3711 goto vmid_free_bmp_virt_exit;
3713 INIT_LIST_HEAD(&mp->list);
3714 INIT_LIST_HEAD(&bmp->list);
3716 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3717 "3275 VMID Request Data: x%lx x%x x%x\n",
3718 vport->fc_flag, vport->port_state, cmdcode);
3719 ctreq = (struct lpfc_sli_ct_request *)mp->virt;
3720 data = mp->virt;
3721 /* First populate the CT_IU preamble */
3722 memset(data, 0, LPFC_BPL_SIZE);
3723 ctreq->RevisionId.bits.Revision = SLI_CT_REVISION;
3724 ctreq->RevisionId.bits.InId = 0;
3726 ctreq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3727 ctreq->FsSubType = SLI_CT_APP_SEV_Subtypes;
3729 ctreq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3730 rsp_size = LPFC_BPL_SIZE;
3731 size = 0;
3733 switch (cmdcode) {
3734 case SLI_CTAS_RAPP_IDENT:
3735 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3736 "1329 RAPP_IDENT for %s\n", vmid->host_vmid);
3737 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3738 rap = (struct lpfc_vmid_rapp_ident_list *)
3739 (DAPP_IDENT_OFFSET + data);
3740 rap->no_of_objects = cpu_to_be32(1);
3741 rap->obj[0].entity_id_len = vmid->vmid_len;
3742 memcpy(rap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
3743 size = RAPP_IDENT_OFFSET +
3744 struct_size(rap, obj, be32_to_cpu(rap->no_of_objects));
3745 retry = 1;
3746 break;
3748 case SLI_CTAS_GALLAPPIA_ID:
3749 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3750 size = GALLAPPIA_ID_SIZE;
3751 break;
3753 case SLI_CTAS_DAPP_IDENT:
3754 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3755 "1469 DAPP_IDENT for %s\n", vmid->host_vmid);
3756 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3757 dap = (struct lpfc_vmid_dapp_ident_list *)
3758 (DAPP_IDENT_OFFSET + data);
3759 dap->no_of_objects = cpu_to_be32(1);
3760 dap->obj[0].entity_id_len = vmid->vmid_len;
3761 memcpy(dap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
3762 size = DAPP_IDENT_OFFSET +
3763 struct_size(dap, obj, be32_to_cpu(dap->no_of_objects));
3764 write_lock(&vport->vmid_lock);
3765 vmid->flag &= ~LPFC_VMID_REGISTERED;
3766 write_unlock(&vport->vmid_lock);
3767 retry = 1;
3768 break;
3770 case SLI_CTAS_DALLAPP_ID:
3771 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
3772 size = DALLAPP_ID_SIZE;
3773 break;
3775 default:
3776 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3777 "7062 VMID cmdcode x%x not supported\n",
3778 cmdcode);
3779 goto vmid_free_all_mem;
3782 ctreq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3784 bpl = (struct ulp_bde64 *)bmp->virt;
3785 bpl->addrHigh = putPaddrHigh(mp->phys);
3786 bpl->addrLow = putPaddrLow(mp->phys);
3787 bpl->tus.f.bdeFlags = 0;
3788 bpl->tus.f.bdeSize = size;
3790 /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3791 * to hold ndlp reference for the corresponding callback function.
3793 if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry))
3794 return 0;
3796 vmid_free_all_mem:
3797 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
3798 vmid_free_bmp_virt_exit:
3799 kfree(bmp);
3800 vmid_free_bmp_exit:
3801 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3802 vmid_free_mp_virt_exit:
3803 kfree(mp);
3804 vmid_free_mp_exit:
3806 /* Issue CT request failed */
3807 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3808 "3276 VMID CT request failed Data: x%x\n", cmdcode);
3809 return -EIO;