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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
[linux-2.6/verdex.git] / drivers / scsi / lpfc / lpfc_ct.c
blob3d0ccd9b341de1272607790f4ff85e0503d44d8d
1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com *
7 * *
8 * This program is free software; you can redistribute it and/or *
9 * modify it under the terms of version 2 of the GNU General *
10 * Public License as published by the Free Software Foundation. *
11 * This program is distributed in the hope that it will be useful. *
12 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
13 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
14 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
15 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
16 * TO BE LEGALLY INVALID. See the GNU General Public License for *
17 * more details, a copy of which can be found in the file COPYING *
18 * included with this package. *
19 *******************************************************************/
20
21 /*
22 * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
23 */
24
25 #include <linux/blkdev.h>
26 #include <linux/pci.h>
27 #include <linux/interrupt.h>
28 #include <linux/utsname.h>
29
30 #include <scsi/scsi.h>
31 #include <scsi/scsi_device.h>
32 #include <scsi/scsi_host.h>
33 #include <scsi/scsi_transport_fc.h>
34
35 #include "lpfc_hw.h"
36 #include "lpfc_sli.h"
37 #include "lpfc_disc.h"
38 #include "lpfc_scsi.h"
39 #include "lpfc.h"
40 #include "lpfc_logmsg.h"
41 #include "lpfc_crtn.h"
42 #include "lpfc_version.h"
43 #include "lpfc_vport.h"
44 #include "lpfc_debugfs.h"
45
46 #define HBA_PORTSPEED_UNKNOWN 0 /* Unknown - transceiver
47 * incapable of reporting */
48 #define HBA_PORTSPEED_1GBIT 1 /* 1 GBit/sec */
49 #define HBA_PORTSPEED_2GBIT 2 /* 2 GBit/sec */
50 #define HBA_PORTSPEED_4GBIT 8 /* 4 GBit/sec */
51 #define HBA_PORTSPEED_8GBIT 16 /* 8 GBit/sec */
52 #define HBA_PORTSPEED_10GBIT 4 /* 10 GBit/sec */
53 #define HBA_PORTSPEED_NOT_NEGOTIATED 5 /* Speed not established */
54
55 #define FOURBYTES 4
56
57
58 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
59
60 static void
61 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
62 struct lpfc_dmabuf *mp, uint32_t size)
63 {
64 if (!mp) {
65 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
66 "0146 Ignoring unsolicted CT No HBQ "
67 "status = x%x\n",
68 piocbq->iocb.ulpStatus);
69 }
70 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
71 "0145 Ignoring unsolicted CT HBQ Size:%d "
72 "status = x%x\n",
73 size, piocbq->iocb.ulpStatus);
74 }
75
76 static void
77 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
78 struct lpfc_dmabuf *mp, uint32_t size)
79 {
80 lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
81 }
82
83 void
84 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
85 struct lpfc_iocbq *piocbq)
86 {
87
88 struct lpfc_dmabuf *mp = NULL;
89 IOCB_t *icmd = &piocbq->iocb;
90 int i;
91 struct lpfc_iocbq *iocbq;
92 dma_addr_t paddr;
93 uint32_t size;
94 struct list_head head;
95 struct lpfc_dmabuf *bdeBuf;
96
97 if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
98 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
99 } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
100 ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) {
101 /* Not enough posted buffers; Try posting more buffers */
102 phba->fc_stat.NoRcvBuf++;
103 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
104 lpfc_post_buffer(phba, pring, 2, 1);
105 return;
106 }
107
108 /* If there are no BDEs associated with this IOCB,
109 * there is nothing to do.
110 */
111 if (icmd->ulpBdeCount == 0)
112 return;
113
114 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
115 INIT_LIST_HEAD(&head);
116 list_add_tail(&head, &piocbq->list);
117 list_for_each_entry(iocbq, &head, list) {
118 icmd = &iocbq->iocb;
119 if (icmd->ulpBdeCount == 0)
120 continue;
121 bdeBuf = iocbq->context2;
122 iocbq->context2 = NULL;
123 size = icmd->un.cont64[0].tus.f.bdeSize;
124 lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
125 lpfc_in_buf_free(phba, bdeBuf);
126 if (icmd->ulpBdeCount == 2) {
127 bdeBuf = iocbq->context3;
128 iocbq->context3 = NULL;
129 size = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
130 lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
131 size);
132 lpfc_in_buf_free(phba, bdeBuf);
133 }
134 }
135 list_del(&head);
136 } else {
137 struct lpfc_iocbq *next;
138
139 list_for_each_entry_safe(iocbq, next, &piocbq->list, list) {
140 icmd = &iocbq->iocb;
141 if (icmd->ulpBdeCount == 0)
142 lpfc_ct_unsol_buffer(phba, piocbq, NULL, 0);
143 for (i = 0; i < icmd->ulpBdeCount; i++) {
144 paddr = getPaddr(icmd->un.cont64[i].addrHigh,
145 icmd->un.cont64[i].addrLow);
146 mp = lpfc_sli_ringpostbuf_get(phba, pring,
147 paddr);
148 size = icmd->un.cont64[i].tus.f.bdeSize;
149 lpfc_ct_unsol_buffer(phba, piocbq, mp, size);
150 lpfc_in_buf_free(phba, mp);
151 }
152 list_del(&iocbq->list);
153 lpfc_sli_release_iocbq(phba, iocbq);
154 lpfc_post_buffer(phba, pring, i, 1);
155 }
156 }
157 }
158
159 static void
160 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
161 {
162 struct lpfc_dmabuf *mlast, *next_mlast;
163
164 list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
165 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
166 list_del(&mlast->list);
167 kfree(mlast);
168 }
169 lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
170 kfree(mlist);
171 return;
172 }
173
174 static struct lpfc_dmabuf *
175 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
176 uint32_t size, int *entries)
177 {
178 struct lpfc_dmabuf *mlist = NULL;
179 struct lpfc_dmabuf *mp;
180 int cnt, i = 0;
181
182 /* We get chunks of FCELSSIZE */
183 cnt = size > FCELSSIZE ? FCELSSIZE: size;
184
185 while (size) {
186 /* Allocate buffer for rsp payload */
187 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
188 if (!mp) {
189 if (mlist)
190 lpfc_free_ct_rsp(phba, mlist);
191 return NULL;
192 }
193
194 INIT_LIST_HEAD(&mp->list);
195
196 if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
197 cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
198 mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
199 else
200 mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
201
202 if (!mp->virt) {
203 kfree(mp);
204 if (mlist)
205 lpfc_free_ct_rsp(phba, mlist);
206 return NULL;
207 }
208
209 /* Queue it to a linked list */
210 if (!mlist)
211 mlist = mp;
212 else
213 list_add_tail(&mp->list, &mlist->list);
214
215 bpl->tus.f.bdeFlags = BUFF_USE_RCV;
216 /* build buffer ptr list for IOCB */
217 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
218 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
219 bpl->tus.f.bdeSize = (uint16_t) cnt;
220 bpl->tus.w = le32_to_cpu(bpl->tus.w);
221 bpl++;
222
223 i++;
224 size -= cnt;
225 }
226
227 *entries = i;
228 return mlist;
229 }
230
231 int
232 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
233 {
234 struct lpfc_dmabuf *buf_ptr;
235
236 if (ctiocb->context_un.ndlp) {
237 lpfc_nlp_put(ctiocb->context_un.ndlp);
238 ctiocb->context_un.ndlp = NULL;
239 }
240 if (ctiocb->context1) {
241 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
242 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
243 kfree(buf_ptr);
244 ctiocb->context1 = NULL;
245 }
246 if (ctiocb->context2) {
247 lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
248 ctiocb->context2 = NULL;
249 }
250
251 if (ctiocb->context3) {
252 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
253 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
254 kfree(buf_ptr);
255 ctiocb->context1 = NULL;
256 }
257 lpfc_sli_release_iocbq(phba, ctiocb);
258 return 0;
259 }
260
261 static int
262 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
263 struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
264 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
265 struct lpfc_iocbq *),
266 struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
267 uint32_t tmo, uint8_t retry)
268 {
269 struct lpfc_hba *phba = vport->phba;
270 struct lpfc_sli *psli = &phba->sli;
271 struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
272 IOCB_t *icmd;
273 struct lpfc_iocbq *geniocb;
274 int rc;
275
276 /* Allocate buffer for command iocb */
277 geniocb = lpfc_sli_get_iocbq(phba);
278
279 if (geniocb == NULL)
280 return 1;
281
282 icmd = &geniocb->iocb;
283 icmd->un.genreq64.bdl.ulpIoTag32 = 0;
284 icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
285 icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
286 icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BDL;
287 icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
288
289 if (usr_flg)
290 geniocb->context3 = NULL;
291 else
292 geniocb->context3 = (uint8_t *) bmp;
293
294 /* Save for completion so we can release these resources */
295 geniocb->context1 = (uint8_t *) inp;
296 geniocb->context2 = (uint8_t *) outp;
297 geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
298
299 /* Fill in payload, bp points to frame payload */
300 icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
301
302 /* Fill in rest of iocb */
303 icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
304 icmd->un.genreq64.w5.hcsw.Dfctl = 0;
305 icmd->un.genreq64.w5.hcsw.Rctl = FC_UNSOL_CTL;
306 icmd->un.genreq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP;
307
308 if (!tmo) {
309 /* FC spec states we need 3 * ratov for CT requests */
310 tmo = (3 * phba->fc_ratov);
311 }
312 icmd->ulpTimeout = tmo;
313 icmd->ulpBdeCount = 1;
314 icmd->ulpLe = 1;
315 icmd->ulpClass = CLASS3;
316 icmd->ulpContext = ndlp->nlp_rpi;
317
318 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
319 /* For GEN_REQUEST64_CR, use the RPI */
320 icmd->ulpCt_h = 0;
321 icmd->ulpCt_l = 0;
322 }
323
324 /* Issue GEN REQ IOCB for NPORT <did> */
325 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
326 "0119 Issue GEN REQ IOCB to NPORT x%x "
327 "Data: x%x x%x\n",
328 ndlp->nlp_DID, icmd->ulpIoTag,
329 vport->port_state);
330 geniocb->iocb_cmpl = cmpl;
331 geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
332 geniocb->vport = vport;
333 geniocb->retry = retry;
334 rc = lpfc_sli_issue_iocb(phba, pring, geniocb, 0);
335
336 if (rc == IOCB_ERROR) {
337 lpfc_sli_release_iocbq(phba, geniocb);
338 return 1;
339 }
340
341 return 0;
342 }
343
344 static int
345 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
346 struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
347 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
348 struct lpfc_iocbq *),
349 uint32_t rsp_size, uint8_t retry)
350 {
351 struct lpfc_hba *phba = vport->phba;
352 struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
353 struct lpfc_dmabuf *outmp;
354 int cnt = 0, status;
355 int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
356 CommandResponse.bits.CmdRsp;
357
358 bpl++; /* Skip past ct request */
359
360 /* Put buffer(s) for ct rsp in bpl */
361 outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
362 if (!outmp)
363 return -ENOMEM;
364
365 status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
366 cnt+1, 0, retry);
367 if (status) {
368 lpfc_free_ct_rsp(phba, outmp);
369 return -ENOMEM;
370 }
371 return 0;
372 }
373
374 struct lpfc_vport *
375 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
376 struct lpfc_vport *vport_curr;
377 unsigned long flags;
378
379 spin_lock_irqsave(&phba->hbalock, flags);
380 list_for_each_entry(vport_curr, &phba->port_list, listentry) {
381 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
382 spin_unlock_irqrestore(&phba->hbalock, flags);
383 return vport_curr;
384 }
385 }
386 spin_unlock_irqrestore(&phba->hbalock, flags);
387 return NULL;
388 }
389
390 static int
391 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
392 {
393 struct lpfc_hba *phba = vport->phba;
394 struct lpfc_sli_ct_request *Response =
395 (struct lpfc_sli_ct_request *) mp->virt;
396 struct lpfc_nodelist *ndlp = NULL;
397 struct lpfc_dmabuf *mlast, *next_mp;
398 uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
399 uint32_t Did, CTentry;
400 int Cnt;
401 struct list_head head;
402
403 lpfc_set_disctmo(vport);
404 vport->num_disc_nodes = 0;
405 vport->fc_ns_retry = 0;
406
407
408 list_add_tail(&head, &mp->list);
409 list_for_each_entry_safe(mp, next_mp, &head, list) {
410 mlast = mp;
411
412 Cnt = Size > FCELSSIZE ? FCELSSIZE : Size;
413
414 Size -= Cnt;
415
416 if (!ctptr) {
417 ctptr = (uint32_t *) mlast->virt;
418 } else
419 Cnt -= 16; /* subtract length of CT header */
420
421 /* Loop through entire NameServer list of DIDs */
422 while (Cnt >= sizeof (uint32_t)) {
423 /* Get next DID from NameServer List */
424 CTentry = *ctptr++;
425 Did = ((be32_to_cpu(CTentry)) & Mask_DID);
426
427 ndlp = NULL;
428
429 /*
430 * Check for rscn processing or not
431 * To conserve rpi's, filter out addresses for other
432 * vports on the same physical HBAs.
433 */
434 if ((Did != vport->fc_myDID) &&
435 ((lpfc_find_vport_by_did(phba, Did) == NULL) ||
436 vport->cfg_peer_port_login)) {
437 if ((vport->port_type != LPFC_NPIV_PORT) ||
438 (!(vport->ct_flags & FC_CT_RFF_ID)) ||
439 (!vport->cfg_restrict_login)) {
440 ndlp = lpfc_setup_disc_node(vport, Did);
441 if (ndlp) {
442 lpfc_debugfs_disc_trc(vport,
443 LPFC_DISC_TRC_CT,
444 "Parse GID_FTrsp: "
445 "did:x%x flg:x%x x%x",
446 Did, ndlp->nlp_flag,
447 vport->fc_flag);
448
449 lpfc_printf_vlog(vport,
450 KERN_INFO,
451 LOG_DISCOVERY,
452 "0238 Process "
453 "x%x NameServer Rsp"
454 "Data: x%x x%x x%x\n",
455 Did, ndlp->nlp_flag,
456 vport->fc_flag,
457 vport->fc_rscn_id_cnt);
458 } else {
459 lpfc_debugfs_disc_trc(vport,
460 LPFC_DISC_TRC_CT,
461 "Skip1 GID_FTrsp: "
462 "did:x%x flg:x%x cnt:%d",
463 Did, vport->fc_flag,
464 vport->fc_rscn_id_cnt);
465
466 lpfc_printf_vlog(vport,
467 KERN_INFO,
468 LOG_DISCOVERY,
469 "0239 Skip x%x "
470 "NameServer Rsp Data: "
471 "x%x x%x\n",
472 Did, vport->fc_flag,
473 vport->fc_rscn_id_cnt);
474 }
475
476 } else {
477 if (!(vport->fc_flag & FC_RSCN_MODE) ||
478 (lpfc_rscn_payload_check(vport, Did))) {
479 lpfc_debugfs_disc_trc(vport,
480 LPFC_DISC_TRC_CT,
481 "Query GID_FTrsp: "
482 "did:x%x flg:x%x cnt:%d",
483 Did, vport->fc_flag,
484 vport->fc_rscn_id_cnt);
485
486 /* This NPortID was previously
487 * a FCP target, * Don't even
488 * bother to send GFF_ID.
489 */
490 ndlp = lpfc_findnode_did(vport,
491 Did);
492 if (ndlp &&
493 NLP_CHK_NODE_ACT(ndlp)
494 && (ndlp->nlp_type &
495 NLP_FCP_TARGET))
496 lpfc_setup_disc_node
497 (vport, Did);
498 else if (lpfc_ns_cmd(vport,
499 SLI_CTNS_GFF_ID,
500 0, Did) == 0)
501 vport->num_disc_nodes++;
502 }
503 else {
504 lpfc_debugfs_disc_trc(vport,
505 LPFC_DISC_TRC_CT,
506 "Skip2 GID_FTrsp: "
507 "did:x%x flg:x%x cnt:%d",
508 Did, vport->fc_flag,
509 vport->fc_rscn_id_cnt);
510
511 lpfc_printf_vlog(vport,
512 KERN_INFO,
513 LOG_DISCOVERY,
514 "0245 Skip x%x "
515 "NameServer Rsp Data: "
516 "x%x x%x\n",
517 Did, vport->fc_flag,
518 vport->fc_rscn_id_cnt);
519 }
520 }
521 }
522 if (CTentry & (be32_to_cpu(SLI_CT_LAST_ENTRY)))
523 goto nsout1;
524 Cnt -= sizeof (uint32_t);
525 }
526 ctptr = NULL;
527
528 }
529
530 nsout1:
531 list_del(&head);
532 return 0;
533 }
534
535 static void
536 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
537 struct lpfc_iocbq *rspiocb)
538 {
539 struct lpfc_vport *vport = cmdiocb->vport;
540 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
541 IOCB_t *irsp;
542 struct lpfc_dmabuf *bmp;
543 struct lpfc_dmabuf *outp;
544 struct lpfc_sli_ct_request *CTrsp;
545 struct lpfc_nodelist *ndlp;
546 int rc, retry;
547
548 /* First save ndlp, before we overwrite it */
549 ndlp = cmdiocb->context_un.ndlp;
550
551 /* we pass cmdiocb to state machine which needs rspiocb as well */
552 cmdiocb->context_un.rsp_iocb = rspiocb;
553
554 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
555 bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
556 irsp = &rspiocb->iocb;
557
558 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
559 "GID_FT cmpl: status:x%x/x%x rtry:%d",
560 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
561
562 /* Don't bother processing response if vport is being torn down. */
563 if (vport->load_flag & FC_UNLOADING)
564 goto out;
565
566 if (lpfc_els_chk_latt(vport) || lpfc_error_lost_link(irsp)) {
567 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
568 "0216 Link event during NS query\n");
569 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
570 goto out;
571 }
572
573 if (irsp->ulpStatus) {
574 /* Check for retry */
575 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
576 retry = 1;
577 if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
578 switch (irsp->un.ulpWord[4]) {
579 case IOERR_NO_RESOURCES:
580 /* We don't increment the retry
581 * count for this case.
582 */
583 break;
584 case IOERR_LINK_DOWN:
585 case IOERR_SLI_ABORTED:
586 case IOERR_SLI_DOWN:
587 retry = 0;
588 break;
589 default:
590 vport->fc_ns_retry++;
591 }
592 }
593 else
594 vport->fc_ns_retry++;
595
596 if (retry) {
597 /* CT command is being retried */
598 rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
599 vport->fc_ns_retry, 0);
600 if (rc == 0) {
601 /* success */
602 goto out;
603 }
604 }
605 }
606 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
607 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
608 "0257 GID_FT Query error: 0x%x 0x%x\n",
609 irsp->ulpStatus, vport->fc_ns_retry);
610 } else {
611 /* Good status, continue checking */
612 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
613 if (CTrsp->CommandResponse.bits.CmdRsp ==
614 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
615 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
616 "0208 NameServer Rsp Data: x%x\n",
617 vport->fc_flag);
618 lpfc_ns_rsp(vport, outp,
619 (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
620 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
621 be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
622 /* NameServer Rsp Error */
623 if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
624 && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
625 lpfc_printf_vlog(vport, KERN_INFO,
626 LOG_DISCOVERY,
627 "0269 No NameServer Entries "
628 "Data: x%x x%x x%x x%x\n",
629 CTrsp->CommandResponse.bits.CmdRsp,
630 (uint32_t) CTrsp->ReasonCode,
631 (uint32_t) CTrsp->Explanation,
632 vport->fc_flag);
633
634 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
635 "GID_FT no entry cmd:x%x rsn:x%x exp:x%x",
636 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
637 (uint32_t) CTrsp->ReasonCode,
638 (uint32_t) CTrsp->Explanation);
639 } else {
640 lpfc_printf_vlog(vport, KERN_INFO,
641 LOG_DISCOVERY,
642 "0240 NameServer Rsp Error "
643 "Data: x%x x%x x%x x%x\n",
644 CTrsp->CommandResponse.bits.CmdRsp,
645 (uint32_t) CTrsp->ReasonCode,
646 (uint32_t) CTrsp->Explanation,
647 vport->fc_flag);
648
649 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
650 "GID_FT rsp err1 cmd:x%x rsn:x%x exp:x%x",
651 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
652 (uint32_t) CTrsp->ReasonCode,
653 (uint32_t) CTrsp->Explanation);
654 }
655
656
657 } else {
658 /* NameServer Rsp Error */
659 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
660 "0241 NameServer Rsp Error "
661 "Data: x%x x%x x%x x%x\n",
662 CTrsp->CommandResponse.bits.CmdRsp,
663 (uint32_t) CTrsp->ReasonCode,
664 (uint32_t) CTrsp->Explanation,
665 vport->fc_flag);
666
667 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
668 "GID_FT rsp err2 cmd:x%x rsn:x%x exp:x%x",
669 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
670 (uint32_t) CTrsp->ReasonCode,
671 (uint32_t) CTrsp->Explanation);
672 }
673 }
674 /* Link up / RSCN discovery */
675 if (vport->num_disc_nodes == 0) {
676 /*
677 * The driver has cycled through all Nports in the RSCN payload.
678 * Complete the handling by cleaning up and marking the
679 * current driver state.
680 */
681 if (vport->port_state >= LPFC_DISC_AUTH) {
682 if (vport->fc_flag & FC_RSCN_MODE) {
683 lpfc_els_flush_rscn(vport);
684 spin_lock_irq(shost->host_lock);
685 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
686 spin_unlock_irq(shost->host_lock);
687 }
688 else
689 lpfc_els_flush_rscn(vport);
690 }
691
692 lpfc_disc_start(vport);
693 }
694 out:
695 cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
696 lpfc_ct_free_iocb(phba, cmdiocb);
697 return;
698 }
699
700 static void
701 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
702 struct lpfc_iocbq *rspiocb)
703 {
704 struct lpfc_vport *vport = cmdiocb->vport;
705 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
706 IOCB_t *irsp = &rspiocb->iocb;
707 struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
708 struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
709 struct lpfc_sli_ct_request *CTrsp;
710 int did, rc, retry;
711 uint8_t fbits;
712 struct lpfc_nodelist *ndlp;
713
714 did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
715 did = be32_to_cpu(did);
716
717 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
718 "GFF_ID cmpl: status:x%x/x%x did:x%x",
719 irsp->ulpStatus, irsp->un.ulpWord[4], did);
720
721 if (irsp->ulpStatus == IOSTAT_SUCCESS) {
722 /* Good status, continue checking */
723 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
724 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
725
726 if (CTrsp->CommandResponse.bits.CmdRsp ==
727 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
728 if ((fbits & FC4_FEATURE_INIT) &&
729 !(fbits & FC4_FEATURE_TARGET)) {
730 lpfc_printf_vlog(vport, KERN_INFO,
731 LOG_DISCOVERY,
732 "0270 Skip x%x GFF "
733 "NameServer Rsp Data: (init) "
734 "x%x x%x\n", did, fbits,
735 vport->fc_rscn_id_cnt);
736 goto out;
737 }
738 }
739 }
740 else {
741 /* Check for retry */
742 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
743 retry = 1;
744 if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
745 switch (irsp->un.ulpWord[4]) {
746 case IOERR_NO_RESOURCES:
747 /* We don't increment the retry
748 * count for this case.
749 */
750 break;
751 case IOERR_LINK_DOWN:
752 case IOERR_SLI_ABORTED:
753 case IOERR_SLI_DOWN:
754 retry = 0;
755 break;
756 default:
757 cmdiocb->retry++;
758 }
759 }
760 else
761 cmdiocb->retry++;
762
763 if (retry) {
764 /* CT command is being retried */
765 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
766 cmdiocb->retry, did);
767 if (rc == 0) {
768 /* success */
769 lpfc_ct_free_iocb(phba, cmdiocb);
770 return;
771 }
772 }
773 }
774 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
775 "0267 NameServer GFF Rsp "
776 "x%x Error (%d %d) Data: x%x x%x\n",
777 did, irsp->ulpStatus, irsp->un.ulpWord[4],
778 vport->fc_flag, vport->fc_rscn_id_cnt);
779 }
780
781 /* This is a target port, unregistered port, or the GFF_ID failed */
782 ndlp = lpfc_setup_disc_node(vport, did);
783 if (ndlp) {
784 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
785 "0242 Process x%x GFF "
786 "NameServer Rsp Data: x%x x%x x%x\n",
787 did, ndlp->nlp_flag, vport->fc_flag,
788 vport->fc_rscn_id_cnt);
789 } else {
790 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
791 "0243 Skip x%x GFF "
792 "NameServer Rsp Data: x%x x%x\n", did,
793 vport->fc_flag, vport->fc_rscn_id_cnt);
794 }
795 out:
796 /* Link up / RSCN discovery */
797 if (vport->num_disc_nodes)
798 vport->num_disc_nodes--;
799 if (vport->num_disc_nodes == 0) {
800 /*
801 * The driver has cycled through all Nports in the RSCN payload.
802 * Complete the handling by cleaning up and marking the
803 * current driver state.
804 */
805 if (vport->port_state >= LPFC_DISC_AUTH) {
806 if (vport->fc_flag & FC_RSCN_MODE) {
807 lpfc_els_flush_rscn(vport);
808 spin_lock_irq(shost->host_lock);
809 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
810 spin_unlock_irq(shost->host_lock);
811 }
812 else
813 lpfc_els_flush_rscn(vport);
814 }
815 lpfc_disc_start(vport);
816 }
817 lpfc_ct_free_iocb(phba, cmdiocb);
818 return;
819 }
820
821
822 static void
823 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
824 struct lpfc_iocbq *rspiocb)
825 {
826 struct lpfc_vport *vport = cmdiocb->vport;
827 struct lpfc_dmabuf *inp;
828 struct lpfc_dmabuf *outp;
829 IOCB_t *irsp;
830 struct lpfc_sli_ct_request *CTrsp;
831 struct lpfc_nodelist *ndlp;
832 int cmdcode, rc;
833 uint8_t retry;
834 uint32_t latt;
835
836 /* First save ndlp, before we overwrite it */
837 ndlp = cmdiocb->context_un.ndlp;
838
839 /* we pass cmdiocb to state machine which needs rspiocb as well */
840 cmdiocb->context_un.rsp_iocb = rspiocb;
841
842 inp = (struct lpfc_dmabuf *) cmdiocb->context1;
843 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
844 irsp = &rspiocb->iocb;
845
846 cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
847 CommandResponse.bits.CmdRsp);
848 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
849
850 latt = lpfc_els_chk_latt(vport);
851
852 /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
853 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
854 "0209 CT Request completes, latt %d, "
855 "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
856 latt, irsp->ulpStatus,
857 CTrsp->CommandResponse.bits.CmdRsp,
858 cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
859
860 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
861 "CT cmd cmpl: status:x%x/x%x cmd:x%x",
862 irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
863
864 if (irsp->ulpStatus) {
865 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
866 "0268 NS cmd %x Error (%d %d)\n",
867 cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
868
869 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
870 ((irsp->un.ulpWord[4] == IOERR_SLI_DOWN) ||
871 (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED)))
872 goto out;
873
874 retry = cmdiocb->retry;
875 if (retry >= LPFC_MAX_NS_RETRY)
876 goto out;
877
878 retry++;
879 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
880 "0216 Retrying NS cmd %x\n", cmdcode);
881 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
882 if (rc == 0)
883 goto out;
884 }
885
886 out:
887 cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
888 lpfc_ct_free_iocb(phba, cmdiocb);
889 return;
890 }
891
892 static void
893 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
894 struct lpfc_iocbq *rspiocb)
895 {
896 IOCB_t *irsp = &rspiocb->iocb;
897 struct lpfc_vport *vport = cmdiocb->vport;
898
899 if (irsp->ulpStatus == IOSTAT_SUCCESS) {
900 struct lpfc_dmabuf *outp;
901 struct lpfc_sli_ct_request *CTrsp;
902
903 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
904 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
905 if (CTrsp->CommandResponse.bits.CmdRsp ==
906 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
907 vport->ct_flags |= FC_CT_RFT_ID;
908 }
909 lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
910 return;
911 }
912
913 static void
914 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
915 struct lpfc_iocbq *rspiocb)
916 {
917 IOCB_t *irsp = &rspiocb->iocb;
918 struct lpfc_vport *vport = cmdiocb->vport;
919
920 if (irsp->ulpStatus == IOSTAT_SUCCESS) {
921 struct lpfc_dmabuf *outp;
922 struct lpfc_sli_ct_request *CTrsp;
923
924 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
925 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
926 if (CTrsp->CommandResponse.bits.CmdRsp ==
927 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
928 vport->ct_flags |= FC_CT_RNN_ID;
929 }
930 lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
931 return;
932 }
933
934 static void
935 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
936 struct lpfc_iocbq *rspiocb)
937 {
938 IOCB_t *irsp = &rspiocb->iocb;
939 struct lpfc_vport *vport = cmdiocb->vport;
940
941 if (irsp->ulpStatus == IOSTAT_SUCCESS) {
942 struct lpfc_dmabuf *outp;
943 struct lpfc_sli_ct_request *CTrsp;
944
945 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
946 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
947 if (CTrsp->CommandResponse.bits.CmdRsp ==
948 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
949 vport->ct_flags |= FC_CT_RSPN_ID;
950 }
951 lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
952 return;
953 }
954
955 static void
956 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
957 struct lpfc_iocbq *rspiocb)
958 {
959 IOCB_t *irsp = &rspiocb->iocb;
960 struct lpfc_vport *vport = cmdiocb->vport;
961
962 if (irsp->ulpStatus == IOSTAT_SUCCESS) {
963 struct lpfc_dmabuf *outp;
964 struct lpfc_sli_ct_request *CTrsp;
965
966 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
967 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
968 if (CTrsp->CommandResponse.bits.CmdRsp ==
969 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
970 vport->ct_flags |= FC_CT_RSNN_NN;
971 }
972 lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
973 return;
974 }
975
976 static void
977 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
978 struct lpfc_iocbq *rspiocb)
979 {
980 struct lpfc_vport *vport = cmdiocb->vport;
981
982 /* even if it fails we will act as though it succeeded. */
983 vport->ct_flags = 0;
984 lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
985 return;
986 }
987
988 static void
989 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
990 struct lpfc_iocbq *rspiocb)
991 {
992 IOCB_t *irsp = &rspiocb->iocb;
993 struct lpfc_vport *vport = cmdiocb->vport;
994
995 if (irsp->ulpStatus == IOSTAT_SUCCESS) {
996 struct lpfc_dmabuf *outp;
997 struct lpfc_sli_ct_request *CTrsp;
998
999 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1000 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1001 if (CTrsp->CommandResponse.bits.CmdRsp ==
1002 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1003 vport->ct_flags |= FC_CT_RFF_ID;
1004 }
1005 lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1006 return;
1007 }
1008
1009 static int
1010 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1011 size_t size)
1012 {
1013 int n;
1014 uint8_t *wwn = vport->phba->wwpn;
1015
1016 n = snprintf(symbol, size,
1017 "Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
1018 wwn[0], wwn[1], wwn[2], wwn[3],
1019 wwn[4], wwn[5], wwn[6], wwn[7]);
1020
1021 if (vport->port_type == LPFC_PHYSICAL_PORT)
1022 return n;
1023
1024 if (n < size)
1025 n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi);
1026
1027 if (n < size && vport->vname)
1028 n += snprintf(symbol + n, size - n, " VName-%s", vport->vname);
1029 return n;
1030 }
1031
1032 int
1033 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1034 size_t size)
1035 {
1036 char fwrev[16];
1037 int n;
1038
1039 lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1040
1041 n = snprintf(symbol, size, "Emulex %s FV%s DV%s",
1042 vport->phba->ModelName, fwrev, lpfc_release_version);
1043 return n;
1044 }
1045
1046 /*
1047 * lpfc_ns_cmd
1048 * Description:
1049 * Issue Cmd to NameServer
1050 * SLI_CTNS_GID_FT
1051 * LI_CTNS_RFT_ID
1052 */
1053 int
1054 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1055 uint8_t retry, uint32_t context)
1056 {
1057 struct lpfc_nodelist * ndlp;
1058 struct lpfc_hba *phba = vport->phba;
1059 struct lpfc_dmabuf *mp, *bmp;
1060 struct lpfc_sli_ct_request *CtReq;
1061 struct ulp_bde64 *bpl;
1062 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1063 struct lpfc_iocbq *) = NULL;
1064 uint32_t rsp_size = 1024;
1065 size_t size;
1066 int rc = 0;
1067
1068 ndlp = lpfc_findnode_did(vport, NameServer_DID);
1069 if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1070 || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1071 rc=1;
1072 goto ns_cmd_exit;
1073 }
1074
1075 /* fill in BDEs for command */
1076 /* Allocate buffer for command payload */
1077 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1078 if (!mp) {
1079 rc=2;
1080 goto ns_cmd_exit;
1081 }
1082
1083 INIT_LIST_HEAD(&mp->list);
1084 mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1085 if (!mp->virt) {
1086 rc=3;
1087 goto ns_cmd_free_mp;
1088 }
1089
1090 /* Allocate buffer for Buffer ptr list */
1091 bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1092 if (!bmp) {
1093 rc=4;
1094 goto ns_cmd_free_mpvirt;
1095 }
1096
1097 INIT_LIST_HEAD(&bmp->list);
1098 bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1099 if (!bmp->virt) {
1100 rc=5;
1101 goto ns_cmd_free_bmp;
1102 }
1103
1104 /* NameServer Req */
1105 lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1106 "0236 NameServer Req Data: x%x x%x x%x\n",
1107 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt);
1108
1109 bpl = (struct ulp_bde64 *) bmp->virt;
1110 memset(bpl, 0, sizeof(struct ulp_bde64));
1111 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1112 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1113 bpl->tus.f.bdeFlags = 0;
1114 if (cmdcode == SLI_CTNS_GID_FT)
1115 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1116 else if (cmdcode == SLI_CTNS_GFF_ID)
1117 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1118 else if (cmdcode == SLI_CTNS_RFT_ID)
1119 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1120 else if (cmdcode == SLI_CTNS_RNN_ID)
1121 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1122 else if (cmdcode == SLI_CTNS_RSPN_ID)
1123 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1124 else if (cmdcode == SLI_CTNS_RSNN_NN)
1125 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1126 else if (cmdcode == SLI_CTNS_DA_ID)
1127 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1128 else if (cmdcode == SLI_CTNS_RFF_ID)
1129 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1130 else
1131 bpl->tus.f.bdeSize = 0;
1132 bpl->tus.w = le32_to_cpu(bpl->tus.w);
1133
1134 CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1135 memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request));
1136 CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1137 CtReq->RevisionId.bits.InId = 0;
1138 CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1139 CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1140 CtReq->CommandResponse.bits.Size = 0;
1141 switch (cmdcode) {
1142 case SLI_CTNS_GID_FT:
1143 CtReq->CommandResponse.bits.CmdRsp =
1144 be16_to_cpu(SLI_CTNS_GID_FT);
1145 CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
1146 if (vport->port_state < LPFC_NS_QRY)
1147 vport->port_state = LPFC_NS_QRY;
1148 lpfc_set_disctmo(vport);
1149 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1150 rsp_size = FC_MAX_NS_RSP;
1151 break;
1152
1153 case SLI_CTNS_GFF_ID:
1154 CtReq->CommandResponse.bits.CmdRsp =
1155 be16_to_cpu(SLI_CTNS_GFF_ID);
1156 CtReq->un.gff.PortId = cpu_to_be32(context);
1157 cmpl = lpfc_cmpl_ct_cmd_gff_id;
1158 break;
1159
1160 case SLI_CTNS_RFT_ID:
1161 vport->ct_flags &= ~FC_CT_RFT_ID;
1162 CtReq->CommandResponse.bits.CmdRsp =
1163 be16_to_cpu(SLI_CTNS_RFT_ID);
1164 CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1165 CtReq->un.rft.fcpReg = 1;
1166 cmpl = lpfc_cmpl_ct_cmd_rft_id;
1167 break;
1168
1169 case SLI_CTNS_RNN_ID:
1170 vport->ct_flags &= ~FC_CT_RNN_ID;
1171 CtReq->CommandResponse.bits.CmdRsp =
1172 be16_to_cpu(SLI_CTNS_RNN_ID);
1173 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1174 memcpy(CtReq->un.rnn.wwnn, &vport->fc_nodename,
1175 sizeof (struct lpfc_name));
1176 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1177 break;
1178
1179 case SLI_CTNS_RSPN_ID:
1180 vport->ct_flags &= ~FC_CT_RSPN_ID;
1181 CtReq->CommandResponse.bits.CmdRsp =
1182 be16_to_cpu(SLI_CTNS_RSPN_ID);
1183 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1184 size = sizeof(CtReq->un.rspn.symbname);
1185 CtReq->un.rspn.len =
1186 lpfc_vport_symbolic_port_name(vport,
1187 CtReq->un.rspn.symbname, size);
1188 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1189 break;
1190 case SLI_CTNS_RSNN_NN:
1191 vport->ct_flags &= ~FC_CT_RSNN_NN;
1192 CtReq->CommandResponse.bits.CmdRsp =
1193 be16_to_cpu(SLI_CTNS_RSNN_NN);
1194 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1195 sizeof (struct lpfc_name));
1196 size = sizeof(CtReq->un.rsnn.symbname);
1197 CtReq->un.rsnn.len =
1198 lpfc_vport_symbolic_node_name(vport,
1199 CtReq->un.rsnn.symbname, size);
1200 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1201 break;
1202 case SLI_CTNS_DA_ID:
1203 /* Implement DA_ID Nameserver request */
1204 CtReq->CommandResponse.bits.CmdRsp =
1205 be16_to_cpu(SLI_CTNS_DA_ID);
1206 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1207 cmpl = lpfc_cmpl_ct_cmd_da_id;
1208 break;
1209 case SLI_CTNS_RFF_ID:
1210 vport->ct_flags &= ~FC_CT_RFF_ID;
1211 CtReq->CommandResponse.bits.CmdRsp =
1212 be16_to_cpu(SLI_CTNS_RFF_ID);
1213 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);;
1214 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1215 CtReq->un.rff.type_code = FC_FCP_DATA;
1216 cmpl = lpfc_cmpl_ct_cmd_rff_id;
1217 break;
1218 }
1219 /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1220 * to hold ndlp reference for the corresponding callback function.
1221 */
1222 if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1223 /* On success, The cmpl function will free the buffers */
1224 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1225 "Issue CT cmd: cmd:x%x did:x%x",
1226 cmdcode, ndlp->nlp_DID, 0);
1227 return 0;
1228 }
1229 rc=6;
1230
1231 /* Decrement ndlp reference count to release ndlp reference held
1232 * for the failed command's callback function.
1233 */
1234 lpfc_nlp_put(ndlp);
1235
1236 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1237 ns_cmd_free_bmp:
1238 kfree(bmp);
1239 ns_cmd_free_mpvirt:
1240 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1241 ns_cmd_free_mp:
1242 kfree(mp);
1243 ns_cmd_exit:
1244 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1245 "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1246 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1247 return 1;
1248 }
1249
1250 static void
1251 lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1252 struct lpfc_iocbq * rspiocb)
1253 {
1254 struct lpfc_dmabuf *inp = cmdiocb->context1;
1255 struct lpfc_dmabuf *outp = cmdiocb->context2;
1256 struct lpfc_sli_ct_request *CTrsp = outp->virt;
1257 struct lpfc_sli_ct_request *CTcmd = inp->virt;
1258 struct lpfc_nodelist *ndlp;
1259 uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1260 uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1261 struct lpfc_vport *vport = cmdiocb->vport;
1262 IOCB_t *irsp = &rspiocb->iocb;
1263 uint32_t latt;
1264
1265 latt = lpfc_els_chk_latt(vport);
1266
1267 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1268 "FDMI cmpl: status:x%x/x%x latt:%d",
1269 irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1270
1271 if (latt || irsp->ulpStatus) {
1272 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1273 "0229 FDMI cmd %04x failed, latt = %d "
1274 "ulpStatus: x%x, rid x%x\n",
1275 be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1276 irsp->un.ulpWord[4]);
1277 lpfc_ct_free_iocb(phba, cmdiocb);
1278 return;
1279 }
1280
1281 ndlp = lpfc_findnode_did(vport, FDMI_DID);
1282 if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1283 goto fail_out;
1284
1285 if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1286 /* FDMI rsp failed */
1287 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1288 "0220 FDMI rsp failed Data: x%x\n",
1289 be16_to_cpu(fdmi_cmd));
1290 }
1291
1292 switch (be16_to_cpu(fdmi_cmd)) {
1293 case SLI_MGMT_RHBA:
1294 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA);
1295 break;
1296
1297 case SLI_MGMT_RPA:
1298 break;
1299
1300 case SLI_MGMT_DHBA:
1301 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT);
1302 break;
1303
1304 case SLI_MGMT_DPRT:
1305 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA);
1306 break;
1307 }
1308
1309 fail_out:
1310 lpfc_ct_free_iocb(phba, cmdiocb);
1311 return;
1312 }
1313
1314 int
1315 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode)
1316 {
1317 struct lpfc_hba *phba = vport->phba;
1318 struct lpfc_dmabuf *mp, *bmp;
1319 struct lpfc_sli_ct_request *CtReq;
1320 struct ulp_bde64 *bpl;
1321 uint32_t size;
1322 REG_HBA *rh;
1323 PORT_ENTRY *pe;
1324 REG_PORT_ATTRIBUTE *pab;
1325 ATTRIBUTE_BLOCK *ab;
1326 ATTRIBUTE_ENTRY *ae;
1327 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1328 struct lpfc_iocbq *);
1329
1330
1331 /* fill in BDEs for command */
1332 /* Allocate buffer for command payload */
1333 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1334 if (!mp)
1335 goto fdmi_cmd_exit;
1336
1337 mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
1338 if (!mp->virt)
1339 goto fdmi_cmd_free_mp;
1340
1341 /* Allocate buffer for Buffer ptr list */
1342 bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1343 if (!bmp)
1344 goto fdmi_cmd_free_mpvirt;
1345
1346 bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
1347 if (!bmp->virt)
1348 goto fdmi_cmd_free_bmp;
1349
1350 INIT_LIST_HEAD(&mp->list);
1351 INIT_LIST_HEAD(&bmp->list);
1352
1353 /* FDMI request */
1354 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1355 "0218 FDMI Request Data: x%x x%x x%x\n",
1356 vport->fc_flag, vport->port_state, cmdcode);
1357 CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1358
1359 memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1360 CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1361 CtReq->RevisionId.bits.InId = 0;
1362
1363 CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
1364 CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
1365 size = 0;
1366
1367 switch (cmdcode) {
1368 case SLI_MGMT_RHBA:
1369 {
1370 lpfc_vpd_t *vp = &phba->vpd;
1371 uint32_t i, j, incr;
1372 int len;
1373
1374 CtReq->CommandResponse.bits.CmdRsp =
1375 be16_to_cpu(SLI_MGMT_RHBA);
1376 CtReq->CommandResponse.bits.Size = 0;
1377 rh = (REG_HBA *) & CtReq->un.PortID;
1378 memcpy(&rh->hi.PortName, &vport->fc_sparam.portName,
1379 sizeof (struct lpfc_name));
1380 /* One entry (port) per adapter */
1381 rh->rpl.EntryCnt = be32_to_cpu(1);
1382 memcpy(&rh->rpl.pe, &vport->fc_sparam.portName,
1383 sizeof (struct lpfc_name));
1384
1385 /* point to the HBA attribute block */
1386 size = 2 * sizeof (struct lpfc_name) + FOURBYTES;
1387 ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size);
1388 ab->EntryCnt = 0;
1389
1390 /* Point to the beginning of the first HBA attribute
1391 entry */
1392 /* #1 HBA attribute entry */
1393 size += FOURBYTES;
1394 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1395 ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME);
1396 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES
1397 + sizeof (struct lpfc_name));
1398 memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName,
1399 sizeof (struct lpfc_name));
1400 ab->EntryCnt++;
1401 size += FOURBYTES + sizeof (struct lpfc_name);
1402
1403 /* #2 HBA attribute entry */
1404 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1405 ae->ad.bits.AttrType = be16_to_cpu(MANUFACTURER);
1406 strcpy(ae->un.Manufacturer, "Emulex Corporation");
1407 len = strlen(ae->un.Manufacturer);
1408 len += (len & 3) ? (4 - (len & 3)) : 4;
1409 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1410 ab->EntryCnt++;
1411 size += FOURBYTES + len;
1412
1413 /* #3 HBA attribute entry */
1414 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1415 ae->ad.bits.AttrType = be16_to_cpu(SERIAL_NUMBER);
1416 strcpy(ae->un.SerialNumber, phba->SerialNumber);
1417 len = strlen(ae->un.SerialNumber);
1418 len += (len & 3) ? (4 - (len & 3)) : 4;
1419 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1420 ab->EntryCnt++;
1421 size += FOURBYTES + len;
1422
1423 /* #4 HBA attribute entry */
1424 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1425 ae->ad.bits.AttrType = be16_to_cpu(MODEL);
1426 strcpy(ae->un.Model, phba->ModelName);
1427 len = strlen(ae->un.Model);
1428 len += (len & 3) ? (4 - (len & 3)) : 4;
1429 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1430 ab->EntryCnt++;
1431 size += FOURBYTES + len;
1432
1433 /* #5 HBA attribute entry */
1434 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1435 ae->ad.bits.AttrType = be16_to_cpu(MODEL_DESCRIPTION);
1436 strcpy(ae->un.ModelDescription, phba->ModelDesc);
1437 len = strlen(ae->un.ModelDescription);
1438 len += (len & 3) ? (4 - (len & 3)) : 4;
1439 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1440 ab->EntryCnt++;
1441 size += FOURBYTES + len;
1442
1443 /* #6 HBA attribute entry */
1444 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1445 ae->ad.bits.AttrType = be16_to_cpu(HARDWARE_VERSION);
1446 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 8);
1447 /* Convert JEDEC ID to ascii for hardware version */
1448 incr = vp->rev.biuRev;
1449 for (i = 0; i < 8; i++) {
1450 j = (incr & 0xf);
1451 if (j <= 9)
1452 ae->un.HardwareVersion[7 - i] =
1453 (char)((uint8_t) 0x30 +
1454 (uint8_t) j);
1455 else
1456 ae->un.HardwareVersion[7 - i] =
1457 (char)((uint8_t) 0x61 +
1458 (uint8_t) (j - 10));
1459 incr = (incr >> 4);
1460 }
1461 ab->EntryCnt++;
1462 size += FOURBYTES + 8;
1463
1464 /* #7 HBA attribute entry */
1465 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1466 ae->ad.bits.AttrType = be16_to_cpu(DRIVER_VERSION);
1467 strcpy(ae->un.DriverVersion, lpfc_release_version);
1468 len = strlen(ae->un.DriverVersion);
1469 len += (len & 3) ? (4 - (len & 3)) : 4;
1470 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1471 ab->EntryCnt++;
1472 size += FOURBYTES + len;
1473
1474 /* #8 HBA attribute entry */
1475 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1476 ae->ad.bits.AttrType = be16_to_cpu(OPTION_ROM_VERSION);
1477 strcpy(ae->un.OptionROMVersion, phba->OptionROMVersion);
1478 len = strlen(ae->un.OptionROMVersion);
1479 len += (len & 3) ? (4 - (len & 3)) : 4;
1480 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1481 ab->EntryCnt++;
1482 size += FOURBYTES + len;
1483
1484 /* #9 HBA attribute entry */
1485 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1486 ae->ad.bits.AttrType = be16_to_cpu(FIRMWARE_VERSION);
1487 lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion,
1488 1);
1489 len = strlen(ae->un.FirmwareVersion);
1490 len += (len & 3) ? (4 - (len & 3)) : 4;
1491 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1492 ab->EntryCnt++;
1493 size += FOURBYTES + len;
1494
1495 /* #10 HBA attribute entry */
1496 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1497 ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION);
1498 sprintf(ae->un.OsNameVersion, "%s %s %s",
1499 init_utsname()->sysname,
1500 init_utsname()->release,
1501 init_utsname()->version);
1502 len = strlen(ae->un.OsNameVersion);
1503 len += (len & 3) ? (4 - (len & 3)) : 4;
1504 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1505 ab->EntryCnt++;
1506 size += FOURBYTES + len;
1507
1508 /* #11 HBA attribute entry */
1509 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1510 ae->ad.bits.AttrType = be16_to_cpu(MAX_CT_PAYLOAD_LEN);
1511 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1512 ae->un.MaxCTPayloadLen = (65 * 4096);
1513 ab->EntryCnt++;
1514 size += FOURBYTES + 4;
1515
1516 ab->EntryCnt = be32_to_cpu(ab->EntryCnt);
1517 /* Total size */
1518 size = GID_REQUEST_SZ - 4 + size;
1519 }
1520 break;
1521
1522 case SLI_MGMT_RPA:
1523 {
1524 lpfc_vpd_t *vp;
1525 struct serv_parm *hsp;
1526 int len;
1527
1528 vp = &phba->vpd;
1529
1530 CtReq->CommandResponse.bits.CmdRsp =
1531 be16_to_cpu(SLI_MGMT_RPA);
1532 CtReq->CommandResponse.bits.Size = 0;
1533 pab = (REG_PORT_ATTRIBUTE *) & CtReq->un.PortID;
1534 size = sizeof (struct lpfc_name) + FOURBYTES;
1535 memcpy((uint8_t *) & pab->PortName,
1536 (uint8_t *) & vport->fc_sparam.portName,
1537 sizeof (struct lpfc_name));
1538 pab->ab.EntryCnt = 0;
1539
1540 /* #1 Port attribute entry */
1541 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1542 ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_FC4_TYPES);
1543 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 32);
1544 ae->un.SupportFC4Types[2] = 1;
1545 ae->un.SupportFC4Types[7] = 1;
1546 pab->ab.EntryCnt++;
1547 size += FOURBYTES + 32;
1548
1549 /* #2 Port attribute entry */
1550 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1551 ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_SPEED);
1552 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1553
1554 ae->un.SupportSpeed = 0;
1555 if (phba->lmt & LMT_10Gb)
1556 ae->un.SupportSpeed = HBA_PORTSPEED_10GBIT;
1557 if (phba->lmt & LMT_8Gb)
1558 ae->un.SupportSpeed |= HBA_PORTSPEED_8GBIT;
1559 if (phba->lmt & LMT_4Gb)
1560 ae->un.SupportSpeed |= HBA_PORTSPEED_4GBIT;
1561 if (phba->lmt & LMT_2Gb)
1562 ae->un.SupportSpeed |= HBA_PORTSPEED_2GBIT;
1563 if (phba->lmt & LMT_1Gb)
1564 ae->un.SupportSpeed |= HBA_PORTSPEED_1GBIT;
1565
1566 pab->ab.EntryCnt++;
1567 size += FOURBYTES + 4;
1568
1569 /* #3 Port attribute entry */
1570 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1571 ae->ad.bits.AttrType = be16_to_cpu(PORT_SPEED);
1572 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1573 switch(phba->fc_linkspeed) {
1574 case LA_1GHZ_LINK:
1575 ae->un.PortSpeed = HBA_PORTSPEED_1GBIT;
1576 break;
1577 case LA_2GHZ_LINK:
1578 ae->un.PortSpeed = HBA_PORTSPEED_2GBIT;
1579 break;
1580 case LA_4GHZ_LINK:
1581 ae->un.PortSpeed = HBA_PORTSPEED_4GBIT;
1582 break;
1583 case LA_8GHZ_LINK:
1584 ae->un.PortSpeed = HBA_PORTSPEED_8GBIT;
1585 break;
1586 default:
1587 ae->un.PortSpeed =
1588 HBA_PORTSPEED_UNKNOWN;
1589 break;
1590 }
1591 pab->ab.EntryCnt++;
1592 size += FOURBYTES + 4;
1593
1594 /* #4 Port attribute entry */
1595 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1596 ae->ad.bits.AttrType = be16_to_cpu(MAX_FRAME_SIZE);
1597 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1598 hsp = (struct serv_parm *) & vport->fc_sparam;
1599 ae->un.MaxFrameSize =
1600 (((uint32_t) hsp->cmn.
1601 bbRcvSizeMsb) << 8) | (uint32_t) hsp->cmn.
1602 bbRcvSizeLsb;
1603 pab->ab.EntryCnt++;
1604 size += FOURBYTES + 4;
1605
1606 /* #5 Port attribute entry */
1607 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1608 ae->ad.bits.AttrType = be16_to_cpu(OS_DEVICE_NAME);
1609 strcpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME);
1610 len = strlen((char *)ae->un.OsDeviceName);
1611 len += (len & 3) ? (4 - (len & 3)) : 4;
1612 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1613 pab->ab.EntryCnt++;
1614 size += FOURBYTES + len;
1615
1616 if (vport->cfg_fdmi_on == 2) {
1617 /* #6 Port attribute entry */
1618 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab +
1619 size);
1620 ae->ad.bits.AttrType = be16_to_cpu(HOST_NAME);
1621 sprintf(ae->un.HostName, "%s",
1622 init_utsname()->nodename);
1623 len = strlen(ae->un.HostName);
1624 len += (len & 3) ? (4 - (len & 3)) : 4;
1625 ae->ad.bits.AttrLen =
1626 be16_to_cpu(FOURBYTES + len);
1627 pab->ab.EntryCnt++;
1628 size += FOURBYTES + len;
1629 }
1630
1631 pab->ab.EntryCnt = be32_to_cpu(pab->ab.EntryCnt);
1632 /* Total size */
1633 size = GID_REQUEST_SZ - 4 + size;
1634 }
1635 break;
1636
1637 case SLI_MGMT_DHBA:
1638 CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DHBA);
1639 CtReq->CommandResponse.bits.Size = 0;
1640 pe = (PORT_ENTRY *) & CtReq->un.PortID;
1641 memcpy((uint8_t *) & pe->PortName,
1642 (uint8_t *) & vport->fc_sparam.portName,
1643 sizeof (struct lpfc_name));
1644 size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1645 break;
1646
1647 case SLI_MGMT_DPRT:
1648 CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DPRT);
1649 CtReq->CommandResponse.bits.Size = 0;
1650 pe = (PORT_ENTRY *) & CtReq->un.PortID;
1651 memcpy((uint8_t *) & pe->PortName,
1652 (uint8_t *) & vport->fc_sparam.portName,
1653 sizeof (struct lpfc_name));
1654 size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1655 break;
1656 }
1657
1658 bpl = (struct ulp_bde64 *) bmp->virt;
1659 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1660 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1661 bpl->tus.f.bdeFlags = 0;
1662 bpl->tus.f.bdeSize = size;
1663 bpl->tus.w = le32_to_cpu(bpl->tus.w);
1664
1665 cmpl = lpfc_cmpl_ct_cmd_fdmi;
1666
1667 /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1668 * to hold ndlp reference for the corresponding callback function.
1669 */
1670 if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP, 0))
1671 return 0;
1672
1673 /* Decrement ndlp reference count to release ndlp reference held
1674 * for the failed command's callback function.
1675 */
1676 lpfc_nlp_put(ndlp);
1677
1678 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1679 fdmi_cmd_free_bmp:
1680 kfree(bmp);
1681 fdmi_cmd_free_mpvirt:
1682 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1683 fdmi_cmd_free_mp:
1684 kfree(mp);
1685 fdmi_cmd_exit:
1686 /* Issue FDMI request failed */
1687 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1688 "0244 Issue FDMI request failed Data: x%x\n",
1689 cmdcode);
1690 return 1;
1691 }
1692
1693 void
1694 lpfc_fdmi_tmo(unsigned long ptr)
1695 {
1696 struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
1697 struct lpfc_hba *phba = vport->phba;
1698 unsigned long iflag;
1699
1700 spin_lock_irqsave(&vport->work_port_lock, iflag);
1701 if (!(vport->work_port_events & WORKER_FDMI_TMO)) {
1702 vport->work_port_events |= WORKER_FDMI_TMO;
1703 spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1704
1705 spin_lock_irqsave(&phba->hbalock, iflag);
1706 if (phba->work_wait)
1707 lpfc_worker_wake_up(phba);
1708 spin_unlock_irqrestore(&phba->hbalock, iflag);
1709 }
1710 else
1711 spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1712 }
1713
1714 void
1715 lpfc_fdmi_timeout_handler(struct lpfc_vport *vport)
1716 {
1717 struct lpfc_nodelist *ndlp;
1718
1719 ndlp = lpfc_findnode_did(vport, FDMI_DID);
1720 if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
1721 if (init_utsname()->nodename[0] != '\0')
1722 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
1723 else
1724 mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60);
1725 }
1726 return;
1727 }
1728
1729 void
1730 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
1731 {
1732 struct lpfc_sli *psli = &phba->sli;
1733 lpfc_vpd_t *vp = &phba->vpd;
1734 uint32_t b1, b2, b3, b4, i, rev;
1735 char c;
1736 uint32_t *ptr, str[4];
1737 uint8_t *fwname;
1738
1739 if (vp->rev.rBit) {
1740 if (psli->sli_flag & LPFC_SLI2_ACTIVE)
1741 rev = vp->rev.sli2FwRev;
1742 else
1743 rev = vp->rev.sli1FwRev;
1744
1745 b1 = (rev & 0x0000f000) >> 12;
1746 b2 = (rev & 0x00000f00) >> 8;
1747 b3 = (rev & 0x000000c0) >> 6;
1748 b4 = (rev & 0x00000030) >> 4;
1749
1750 switch (b4) {
1751 case 0:
1752 c = 'N';
1753 break;
1754 case 1:
1755 c = 'A';
1756 break;
1757 case 2:
1758 c = 'B';
1759 break;
1760 default:
1761 c = 0;
1762 break;
1763 }
1764 b4 = (rev & 0x0000000f);
1765
1766 if (psli->sli_flag & LPFC_SLI2_ACTIVE)
1767 fwname = vp->rev.sli2FwName;
1768 else
1769 fwname = vp->rev.sli1FwName;
1770
1771 for (i = 0; i < 16; i++)
1772 if (fwname[i] == 0x20)
1773 fwname[i] = 0;
1774
1775 ptr = (uint32_t*)fwname;
1776
1777 for (i = 0; i < 3; i++)
1778 str[i] = be32_to_cpu(*ptr++);
1779
1780 if (c == 0) {
1781 if (flag)
1782 sprintf(fwrevision, "%d.%d%d (%s)",
1783 b1, b2, b3, (char *)str);
1784 else
1785 sprintf(fwrevision, "%d.%d%d", b1,
1786 b2, b3);
1787 } else {
1788 if (flag)
1789 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
1790 b1, b2, b3, c,
1791 b4, (char *)str);
1792 else
1793 sprintf(fwrevision, "%d.%d%d%c%d",
1794 b1, b2, b3, c, b4);
1795 }
1796 } else {
1797 rev = vp->rev.smFwRev;
1798
1799 b1 = (rev & 0xff000000) >> 24;
1800 b2 = (rev & 0x00f00000) >> 20;
1801 b3 = (rev & 0x000f0000) >> 16;
1802 c = (rev & 0x0000ff00) >> 8;
1803 b4 = (rev & 0x000000ff);
1804
1805 if (flag)
1806 sprintf(fwrevision, "%d.%d%d%c%d ", b1,
1807 b2, b3, c, b4);
1808 else
1809 sprintf(fwrevision, "%d.%d%d%c%d ", b1,
1810 b2, b3, c, b4);
1811 }
1812 return;
1813 }
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