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[POWERPC] Fix hardware IRQ time accounting problem.
[linux-2.6/libata-dev.git] / drivers / scsi / lpfc / lpfc_ct.c
blobc701e4d611a9a105e65566405047624900135d29
1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 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
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 /*
61 * lpfc_ct_unsol_event
62 */
63 static void
64 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
65 struct lpfc_dmabuf *mp, uint32_t size)
66 {
67 if (!mp) {
68 printk(KERN_ERR "%s (%d): Unsolited CT, no buffer, "
69 "piocbq = %p, status = x%x, mp = %p, size = %d\n",
70 __FUNCTION__, __LINE__,
71 piocbq, piocbq->iocb.ulpStatus, mp, size);
72 }
73
74 printk(KERN_ERR "%s (%d): Ignoring unsolicted CT piocbq = %p, "
75 "buffer = %p, size = %d, status = x%x\n",
76 __FUNCTION__, __LINE__,
77 piocbq, mp, size,
78 piocbq->iocb.ulpStatus);
79
80 }
81
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)
85 {
86 if (!mp) {
87 printk(KERN_ERR "%s (%d): Unsolited CT, no "
88 "HBQ buffer, piocbq = %p, status = x%x\n",
89 __FUNCTION__, __LINE__,
90 piocbq, piocbq->iocb.ulpStatus);
91 } else {
92 lpfc_ct_unsol_buffer(phba, piocbq, mp, size);
93 printk(KERN_ERR "%s (%d): Ignoring unsolicted CT "
94 "piocbq = %p, buffer = %p, size = %d, "
95 "status = x%x\n",
96 __FUNCTION__, __LINE__,
97 piocbq, mp, size, piocbq->iocb.ulpStatus);
98 }
99 }
100
101 void
102 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
103 struct lpfc_iocbq *piocbq)
104 {
105
106 struct lpfc_dmabuf *mp = NULL;
107 IOCB_t *icmd = &piocbq->iocb;
108 int i;
109 struct lpfc_iocbq *iocbq;
110 dma_addr_t paddr;
111 uint32_t size;
112 struct lpfc_dmabuf *bdeBuf1 = piocbq->context2;
113 struct lpfc_dmabuf *bdeBuf2 = piocbq->context3;
114
115 piocbq->context2 = NULL;
116 piocbq->context3 = NULL;
117
118 if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
119 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
120 } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
121 ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) {
122 /* Not enough posted buffers; Try posting more buffers */
123 phba->fc_stat.NoRcvBuf++;
124 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
125 lpfc_post_buffer(phba, pring, 0, 1);
126 return;
127 }
128
129 /* If there are no BDEs associated with this IOCB,
130 * there is nothing to do.
131 */
132 if (icmd->ulpBdeCount == 0)
133 return;
134
135 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
136 list_for_each_entry(iocbq, &piocbq->list, list) {
137 icmd = &iocbq->iocb;
138 if (icmd->ulpBdeCount == 0) {
139 printk(KERN_ERR "%s (%d): Unsolited CT, no "
140 "BDE, iocbq = %p, status = x%x\n",
141 __FUNCTION__, __LINE__,
142 iocbq, iocbq->iocb.ulpStatus);
143 continue;
144 }
145
146 size = icmd->un.cont64[0].tus.f.bdeSize;
147 lpfc_ct_ignore_hbq_buffer(phba, piocbq, bdeBuf1, size);
148 lpfc_in_buf_free(phba, bdeBuf1);
149 if (icmd->ulpBdeCount == 2) {
150 lpfc_ct_ignore_hbq_buffer(phba, piocbq, bdeBuf2,
151 size);
152 lpfc_in_buf_free(phba, bdeBuf2);
153 }
154 }
155 } else {
156 struct lpfc_iocbq *next;
157
158 list_for_each_entry_safe(iocbq, next, &piocbq->list, list) {
159 icmd = &iocbq->iocb;
160 if (icmd->ulpBdeCount == 0) {
161 printk(KERN_ERR "%s (%d): Unsolited CT, no "
162 "BDE, iocbq = %p, status = x%x\n",
163 __FUNCTION__, __LINE__,
164 iocbq, iocbq->iocb.ulpStatus);
165 continue;
166 }
167
168 for (i = 0; i < icmd->ulpBdeCount; i++) {
169 paddr = getPaddr(icmd->un.cont64[i].addrHigh,
170 icmd->un.cont64[i].addrLow);
171 mp = lpfc_sli_ringpostbuf_get(phba, pring,
172 paddr);
173 size = icmd->un.cont64[i].tus.f.bdeSize;
174 lpfc_ct_unsol_buffer(phba, piocbq, mp, size);
175 lpfc_in_buf_free(phba, mp);
176 }
177 list_del(&iocbq->list);
178 lpfc_sli_release_iocbq(phba, iocbq);
179 }
180 }
181 }
182
183 static void
184 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
185 {
186 struct lpfc_dmabuf *mlast, *next_mlast;
187
188 list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
189 lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
190 list_del(&mlast->list);
191 kfree(mlast);
192 }
193 lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
194 kfree(mlist);
195 return;
196 }
197
198 static struct lpfc_dmabuf *
199 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
200 uint32_t size, int *entries)
201 {
202 struct lpfc_dmabuf *mlist = NULL;
203 struct lpfc_dmabuf *mp;
204 int cnt, i = 0;
205
206 /* We get chucks of FCELSSIZE */
207 cnt = size > FCELSSIZE ? FCELSSIZE: size;
208
209 while (size) {
210 /* Allocate buffer for rsp payload */
211 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
212 if (!mp) {
213 if (mlist)
214 lpfc_free_ct_rsp(phba, mlist);
215 return NULL;
216 }
217
218 INIT_LIST_HEAD(&mp->list);
219
220 if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
221 cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
222 mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
223 else
224 mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
225
226 if (!mp->virt) {
227 kfree(mp);
228 if (mlist)
229 lpfc_free_ct_rsp(phba, mlist);
230 return NULL;
231 }
232
233 /* Queue it to a linked list */
234 if (!mlist)
235 mlist = mp;
236 else
237 list_add_tail(&mp->list, &mlist->list);
238
239 bpl->tus.f.bdeFlags = BUFF_USE_RCV;
240 /* build buffer ptr list for IOCB */
241 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
242 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
243 bpl->tus.f.bdeSize = (uint16_t) cnt;
244 bpl->tus.w = le32_to_cpu(bpl->tus.w);
245 bpl++;
246
247 i++;
248 size -= cnt;
249 }
250
251 *entries = i;
252 return mlist;
253 }
254
255 int
256 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
257 {
258 struct lpfc_dmabuf *buf_ptr;
259
260 if (ctiocb->context_un.ndlp) {
261 lpfc_nlp_put(ctiocb->context_un.ndlp);
262 ctiocb->context_un.ndlp = NULL;
263 }
264 if (ctiocb->context1) {
265 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
266 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
267 kfree(buf_ptr);
268 ctiocb->context1 = NULL;
269 }
270 if (ctiocb->context2) {
271 lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
272 ctiocb->context2 = NULL;
273 }
274
275 if (ctiocb->context3) {
276 buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
277 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
278 kfree(buf_ptr);
279 ctiocb->context1 = NULL;
280 }
281 lpfc_sli_release_iocbq(phba, ctiocb);
282 return 0;
283 }
284
285 static int
286 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
287 struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
288 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
289 struct lpfc_iocbq *),
290 struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
291 uint32_t tmo, uint8_t retry)
292 {
293 struct lpfc_hba *phba = vport->phba;
294 struct lpfc_sli *psli = &phba->sli;
295 struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
296 IOCB_t *icmd;
297 struct lpfc_iocbq *geniocb;
298 int rc;
299
300 /* Allocate buffer for command iocb */
301 geniocb = lpfc_sli_get_iocbq(phba);
302
303 if (geniocb == NULL)
304 return 1;
305
306 icmd = &geniocb->iocb;
307 icmd->un.genreq64.bdl.ulpIoTag32 = 0;
308 icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
309 icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
310 icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BDL;
311 icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
312
313 if (usr_flg)
314 geniocb->context3 = NULL;
315 else
316 geniocb->context3 = (uint8_t *) bmp;
317
318 /* Save for completion so we can release these resources */
319 geniocb->context1 = (uint8_t *) inp;
320 geniocb->context2 = (uint8_t *) outp;
321 geniocb->context_un.ndlp = ndlp;
322
323 /* Fill in payload, bp points to frame payload */
324 icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
325
326 /* Fill in rest of iocb */
327 icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
328 icmd->un.genreq64.w5.hcsw.Dfctl = 0;
329 icmd->un.genreq64.w5.hcsw.Rctl = FC_UNSOL_CTL;
330 icmd->un.genreq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP;
331
332 if (!tmo) {
333 /* FC spec states we need 3 * ratov for CT requests */
334 tmo = (3 * phba->fc_ratov);
335 }
336 icmd->ulpTimeout = tmo;
337 icmd->ulpBdeCount = 1;
338 icmd->ulpLe = 1;
339 icmd->ulpClass = CLASS3;
340 icmd->ulpContext = ndlp->nlp_rpi;
341
342 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
343 /* For GEN_REQUEST64_CR, use the RPI */
344 icmd->ulpCt_h = 0;
345 icmd->ulpCt_l = 0;
346 }
347
348 /* Issue GEN REQ IOCB for NPORT <did> */
349 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
350 "0119 Issue GEN REQ IOCB to NPORT x%x "
351 "Data: x%x x%x\n",
352 ndlp->nlp_DID, icmd->ulpIoTag,
353 vport->port_state);
354 geniocb->iocb_cmpl = cmpl;
355 geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
356 geniocb->vport = vport;
357 geniocb->retry = retry;
358 rc = lpfc_sli_issue_iocb(phba, pring, geniocb, 0);
359
360 if (rc == IOCB_ERROR) {
361 lpfc_sli_release_iocbq(phba, geniocb);
362 return 1;
363 }
364
365 return 0;
366 }
367
368 static int
369 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
370 struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
371 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
372 struct lpfc_iocbq *),
373 uint32_t rsp_size, uint8_t retry)
374 {
375 struct lpfc_hba *phba = vport->phba;
376 struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
377 struct lpfc_dmabuf *outmp;
378 int cnt = 0, status;
379 int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
380 CommandResponse.bits.CmdRsp;
381
382 bpl++; /* Skip past ct request */
383
384 /* Put buffer(s) for ct rsp in bpl */
385 outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
386 if (!outmp)
387 return -ENOMEM;
388
389 status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
390 cnt+1, 0, retry);
391 if (status) {
392 lpfc_free_ct_rsp(phba, outmp);
393 return -ENOMEM;
394 }
395 return 0;
396 }
397
398 struct lpfc_vport *
399 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
400 struct lpfc_vport *vport_curr;
401 unsigned long flags;
402
403 spin_lock_irqsave(&phba->hbalock, flags);
404 list_for_each_entry(vport_curr, &phba->port_list, listentry) {
405 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
406 spin_unlock_irqrestore(&phba->hbalock, flags);
407 return vport_curr;
408 }
409 }
410 spin_unlock_irqrestore(&phba->hbalock, flags);
411 return NULL;
412 }
413
414 static int
415 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
416 {
417 struct lpfc_hba *phba = vport->phba;
418 struct lpfc_sli_ct_request *Response =
419 (struct lpfc_sli_ct_request *) mp->virt;
420 struct lpfc_nodelist *ndlp = NULL;
421 struct lpfc_dmabuf *mlast, *next_mp;
422 uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
423 uint32_t Did, CTentry;
424 int Cnt;
425 struct list_head head;
426
427 lpfc_set_disctmo(vport);
428 vport->num_disc_nodes = 0;
429
430
431 list_add_tail(&head, &mp->list);
432 list_for_each_entry_safe(mp, next_mp, &head, list) {
433 mlast = mp;
434
435 Cnt = Size > FCELSSIZE ? FCELSSIZE : Size;
436
437 Size -= Cnt;
438
439 if (!ctptr) {
440 ctptr = (uint32_t *) mlast->virt;
441 } else
442 Cnt -= 16; /* subtract length of CT header */
443
444 /* Loop through entire NameServer list of DIDs */
445 while (Cnt >= sizeof (uint32_t)) {
446 /* Get next DID from NameServer List */
447 CTentry = *ctptr++;
448 Did = ((be32_to_cpu(CTentry)) & Mask_DID);
449
450 ndlp = NULL;
451
452 /*
453 * Check for rscn processing or not
454 * To conserve rpi's, filter out addresses for other
455 * vports on the same physical HBAs.
456 */
457 if ((Did != vport->fc_myDID) &&
458 ((lpfc_find_vport_by_did(phba, Did) == NULL) ||
459 vport->cfg_peer_port_login)) {
460 if ((vport->port_type != LPFC_NPIV_PORT) ||
461 (vport->fc_flag & FC_RFF_NOT_SUPPORTED) ||
462 (!vport->cfg_restrict_login)) {
463 ndlp = lpfc_setup_disc_node(vport, Did);
464 if (ndlp) {
465 lpfc_debugfs_disc_trc(vport,
466 LPFC_DISC_TRC_CT,
467 "Parse GID_FTrsp: "
468 "did:x%x flg:x%x x%x",
469 Did, ndlp->nlp_flag,
470 vport->fc_flag);
471
472 lpfc_printf_vlog(vport,
473 KERN_INFO,
474 LOG_DISCOVERY,
475 "0238 Process "
476 "x%x NameServer Rsp"
477 "Data: x%x x%x x%x\n",
478 Did, ndlp->nlp_flag,
479 vport->fc_flag,
480 vport->fc_rscn_id_cnt);
481 } else {
482 lpfc_debugfs_disc_trc(vport,
483 LPFC_DISC_TRC_CT,
484 "Skip1 GID_FTrsp: "
485 "did:x%x flg:x%x cnt:%d",
486 Did, vport->fc_flag,
487 vport->fc_rscn_id_cnt);
488
489 lpfc_printf_vlog(vport,
490 KERN_INFO,
491 LOG_DISCOVERY,
492 "0239 Skip x%x "
493 "NameServer Rsp Data: "
494 "x%x x%x\n",
495 Did, vport->fc_flag,
496 vport->fc_rscn_id_cnt);
497 }
498
499 } else {
500 if (!(vport->fc_flag & FC_RSCN_MODE) ||
501 (lpfc_rscn_payload_check(vport, Did))) {
502 lpfc_debugfs_disc_trc(vport,
503 LPFC_DISC_TRC_CT,
504 "Query GID_FTrsp: "
505 "did:x%x flg:x%x cnt:%d",
506 Did, vport->fc_flag,
507 vport->fc_rscn_id_cnt);
508
509 if (lpfc_ns_cmd(vport,
510 SLI_CTNS_GFF_ID,
511 0, Did) == 0)
512 vport->num_disc_nodes++;
513 }
514 else {
515 lpfc_debugfs_disc_trc(vport,
516 LPFC_DISC_TRC_CT,
517 "Skip2 GID_FTrsp: "
518 "did:x%x flg:x%x cnt:%d",
519 Did, vport->fc_flag,
520 vport->fc_rscn_id_cnt);
521
522 lpfc_printf_vlog(vport,
523 KERN_INFO,
524 LOG_DISCOVERY,
525 "0245 Skip x%x "
526 "NameServer Rsp Data: "
527 "x%x x%x\n",
528 Did, vport->fc_flag,
529 vport->fc_rscn_id_cnt);
530 }
531 }
532 }
533 if (CTentry & (be32_to_cpu(SLI_CT_LAST_ENTRY)))
534 goto nsout1;
535 Cnt -= sizeof (uint32_t);
536 }
537 ctptr = NULL;
538
539 }
540
541 nsout1:
542 list_del(&head);
543 return 0;
544 }
545
546 static void
547 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
548 struct lpfc_iocbq *rspiocb)
549 {
550 struct lpfc_vport *vport = cmdiocb->vport;
551 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
552 IOCB_t *irsp;
553 struct lpfc_dmabuf *bmp;
554 struct lpfc_dmabuf *outp;
555 struct lpfc_sli_ct_request *CTrsp;
556 struct lpfc_nodelist *ndlp;
557 int rc;
558
559 /* First save ndlp, before we overwrite it */
560 ndlp = cmdiocb->context_un.ndlp;
561
562 /* we pass cmdiocb to state machine which needs rspiocb as well */
563 cmdiocb->context_un.rsp_iocb = rspiocb;
564
565 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
566 bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
567 irsp = &rspiocb->iocb;
568
569 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
570 "GID_FT cmpl: status:x%x/x%x rtry:%d",
571 irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
572
573 /* Don't bother processing response if vport is being torn down. */
574 if (vport->load_flag & FC_UNLOADING)
575 goto out;
576
577
578 if (lpfc_els_chk_latt(vport) || lpfc_error_lost_link(irsp)) {
579 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
580 "0216 Link event during NS query\n");
581 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
582 goto out;
583 }
584
585 if (irsp->ulpStatus) {
586 /* Check for retry */
587 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
588 if ((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) ||
589 (irsp->un.ulpWord[4] != IOERR_NO_RESOURCES))
590 vport->fc_ns_retry++;
591 /* CT command is being retried */
592 rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
593 vport->fc_ns_retry, 0);
594 if (rc == 0)
595 goto out;
596 }
597 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
598 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
599 "0257 GID_FT Query error: 0x%x 0x%x\n",
600 irsp->ulpStatus, vport->fc_ns_retry);
601 } else {
602 /* Good status, continue checking */
603 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
604 if (CTrsp->CommandResponse.bits.CmdRsp ==
605 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
606 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
607 "0208 NameServer Rsp Data: x%x\n",
608 vport->fc_flag);
609 lpfc_ns_rsp(vport, outp,
610 (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
611 } else if (CTrsp->CommandResponse.bits.CmdRsp ==
612 be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
613 /* NameServer Rsp Error */
614 if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
615 && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
616 lpfc_printf_vlog(vport, KERN_INFO,
617 LOG_DISCOVERY,
618 "0269 No NameServer Entries "
619 "Data: x%x x%x x%x x%x\n",
620 CTrsp->CommandResponse.bits.CmdRsp,
621 (uint32_t) CTrsp->ReasonCode,
622 (uint32_t) CTrsp->Explanation,
623 vport->fc_flag);
624
625 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
626 "GID_FT no entry cmd:x%x rsn:x%x exp:x%x",
627 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
628 (uint32_t) CTrsp->ReasonCode,
629 (uint32_t) CTrsp->Explanation);
630 } else {
631 lpfc_printf_vlog(vport, KERN_INFO,
632 LOG_DISCOVERY,
633 "0240 NameServer Rsp Error "
634 "Data: x%x x%x x%x x%x\n",
635 CTrsp->CommandResponse.bits.CmdRsp,
636 (uint32_t) CTrsp->ReasonCode,
637 (uint32_t) CTrsp->Explanation,
638 vport->fc_flag);
639
640 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
641 "GID_FT rsp err1 cmd:x%x rsn:x%x exp:x%x",
642 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
643 (uint32_t) CTrsp->ReasonCode,
644 (uint32_t) CTrsp->Explanation);
645 }
646
647
648 } else {
649 /* NameServer Rsp Error */
650 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
651 "0241 NameServer Rsp Error "
652 "Data: x%x x%x x%x x%x\n",
653 CTrsp->CommandResponse.bits.CmdRsp,
654 (uint32_t) CTrsp->ReasonCode,
655 (uint32_t) CTrsp->Explanation,
656 vport->fc_flag);
657
658 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
659 "GID_FT rsp err2 cmd:x%x rsn:x%x exp:x%x",
660 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
661 (uint32_t) CTrsp->ReasonCode,
662 (uint32_t) CTrsp->Explanation);
663 }
664 }
665 /* Link up / RSCN discovery */
666 if (vport->num_disc_nodes == 0) {
667 /*
668 * The driver has cycled through all Nports in the RSCN payload.
669 * Complete the handling by cleaning up and marking the
670 * current driver state.
671 */
672 if (vport->port_state >= LPFC_DISC_AUTH) {
673 if (vport->fc_flag & FC_RSCN_MODE) {
674 lpfc_els_flush_rscn(vport);
675 spin_lock_irq(shost->host_lock);
676 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
677 spin_unlock_irq(shost->host_lock);
678 }
679 else
680 lpfc_els_flush_rscn(vport);
681 }
682
683 lpfc_disc_start(vport);
684 }
685 out:
686 cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
687 lpfc_ct_free_iocb(phba, cmdiocb);
688 return;
689 }
690
691 static void
692 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
693 struct lpfc_iocbq *rspiocb)
694 {
695 struct lpfc_vport *vport = cmdiocb->vport;
696 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
697 IOCB_t *irsp = &rspiocb->iocb;
698 struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
699 struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
700 struct lpfc_sli_ct_request *CTrsp;
701 int did;
702 uint8_t fbits;
703 struct lpfc_nodelist *ndlp;
704
705 did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
706 did = be32_to_cpu(did);
707
708 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
709 "GFF_ID cmpl: status:x%x/x%x did:x%x",
710 irsp->ulpStatus, irsp->un.ulpWord[4], did);
711
712 if (irsp->ulpStatus == IOSTAT_SUCCESS) {
713 /* Good status, continue checking */
714 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
715 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
716
717 if (CTrsp->CommandResponse.bits.CmdRsp ==
718 be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
719 if ((fbits & FC4_FEATURE_INIT) &&
720 !(fbits & FC4_FEATURE_TARGET)) {
721 lpfc_printf_vlog(vport, KERN_INFO,
722 LOG_DISCOVERY,
723 "0270 Skip x%x GFF "
724 "NameServer Rsp Data: (init) "
725 "x%x x%x\n", did, fbits,
726 vport->fc_rscn_id_cnt);
727 goto out;
728 }
729 }
730 }
731 else {
732 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
733 "0267 NameServer GFF Rsp "
734 "x%x Error (%d %d) Data: x%x x%x\n",
735 did, irsp->ulpStatus, irsp->un.ulpWord[4],
736 vport->fc_flag, vport->fc_rscn_id_cnt)
737 }
738
739 /* This is a target port, unregistered port, or the GFF_ID failed */
740 ndlp = lpfc_setup_disc_node(vport, did);
741 if (ndlp) {
742 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
743 "0242 Process x%x GFF "
744 "NameServer Rsp Data: x%x x%x x%x\n",
745 did, ndlp->nlp_flag, vport->fc_flag,
746 vport->fc_rscn_id_cnt);
747 } else {
748 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
749 "0243 Skip x%x GFF "
750 "NameServer Rsp Data: x%x x%x\n", did,
751 vport->fc_flag, vport->fc_rscn_id_cnt);
752 }
753 out:
754 /* Link up / RSCN discovery */
755 if (vport->num_disc_nodes)
756 vport->num_disc_nodes--;
757 if (vport->num_disc_nodes == 0) {
758 /*
759 * The driver has cycled through all Nports in the RSCN payload.
760 * Complete the handling by cleaning up and marking the
761 * current driver state.
762 */
763 if (vport->port_state >= LPFC_DISC_AUTH) {
764 if (vport->fc_flag & FC_RSCN_MODE) {
765 lpfc_els_flush_rscn(vport);
766 spin_lock_irq(shost->host_lock);
767 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
768 spin_unlock_irq(shost->host_lock);
769 }
770 else
771 lpfc_els_flush_rscn(vport);
772 }
773 lpfc_disc_start(vport);
774 }
775 lpfc_ct_free_iocb(phba, cmdiocb);
776 return;
777 }
778
779
780 static void
781 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
782 struct lpfc_iocbq *rspiocb)
783 {
784 struct lpfc_vport *vport = cmdiocb->vport;
785 struct lpfc_dmabuf *inp;
786 struct lpfc_dmabuf *outp;
787 IOCB_t *irsp;
788 struct lpfc_sli_ct_request *CTrsp;
789 struct lpfc_nodelist *ndlp;
790 int cmdcode, rc;
791 uint8_t retry;
792 uint32_t latt;
793
794 /* First save ndlp, before we overwrite it */
795 ndlp = cmdiocb->context_un.ndlp;
796
797 /* we pass cmdiocb to state machine which needs rspiocb as well */
798 cmdiocb->context_un.rsp_iocb = rspiocb;
799
800 inp = (struct lpfc_dmabuf *) cmdiocb->context1;
801 outp = (struct lpfc_dmabuf *) cmdiocb->context2;
802 irsp = &rspiocb->iocb;
803
804 cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
805 CommandResponse.bits.CmdRsp);
806 CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
807
808 latt = lpfc_els_chk_latt(vport);
809
810 /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
811 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
812 "0209 RFT request completes, latt %d, "
813 "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
814 latt, irsp->ulpStatus,
815 CTrsp->CommandResponse.bits.CmdRsp,
816 cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
817
818 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
819 "CT cmd cmpl: status:x%x/x%x cmd:x%x",
820 irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
821
822 if (irsp->ulpStatus) {
823 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
824 "0268 NS cmd %x Error (%d %d)\n",
825 cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
826
827 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
828 ((irsp->un.ulpWord[4] == IOERR_SLI_DOWN) ||
829 (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED)))
830 goto out;
831
832 retry = cmdiocb->retry;
833 if (retry >= LPFC_MAX_NS_RETRY)
834 goto out;
835
836 retry++;
837 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
838 "0216 Retrying NS cmd %x\n", cmdcode);
839 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
840 if (rc == 0)
841 goto out;
842 }
843
844 out:
845 cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
846 lpfc_ct_free_iocb(phba, cmdiocb);
847 return;
848 }
849
850 static void
851 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
852 struct lpfc_iocbq *rspiocb)
853 {
854 lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb);
855 return;
856 }
857
858 static void
859 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
860 struct lpfc_iocbq *rspiocb)
861 {
862 lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb);
863 return;
864 }
865
866 static void
867 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
868 struct lpfc_iocbq *rspiocb)
869 {
870 lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb);
871 return;
872 }
873
874 static void
875 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
876 struct lpfc_iocbq *rspiocb)
877 {
878 IOCB_t *irsp = &rspiocb->iocb;
879 struct lpfc_vport *vport = cmdiocb->vport;
880
881 if (irsp->ulpStatus != IOSTAT_SUCCESS)
882 vport->fc_flag |= FC_RFF_NOT_SUPPORTED;
883
884 lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb);
885 return;
886 }
887
888 static int
889 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
890 size_t size)
891 {
892 int n;
893 uint8_t *wwn = vport->phba->wwpn;
894
895 n = snprintf(symbol, size,
896 "Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
897 wwn[0], wwn[1], wwn[2], wwn[3],
898 wwn[4], wwn[5], wwn[6], wwn[7]);
899
900 if (vport->port_type == LPFC_PHYSICAL_PORT)
901 return n;
902
903 if (n < size)
904 n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi);
905
906 if (n < size && vport->vname)
907 n += snprintf(symbol + n, size - n, " VName-%s", vport->vname);
908 return n;
909 }
910
911 int
912 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
913 size_t size)
914 {
915 char fwrev[16];
916 int n;
917
918 lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
919
920 n = snprintf(symbol, size, "Emulex %s FV%s DV%s",
921 vport->phba->ModelName, fwrev, lpfc_release_version);
922 return n;
923 }
924
925 /*
926 * lpfc_ns_cmd
927 * Description:
928 * Issue Cmd to NameServer
929 * SLI_CTNS_GID_FT
930 * LI_CTNS_RFT_ID
931 */
932 int
933 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
934 uint8_t retry, uint32_t context)
935 {
936 struct lpfc_nodelist * ndlp;
937 struct lpfc_hba *phba = vport->phba;
938 struct lpfc_dmabuf *mp, *bmp;
939 struct lpfc_sli_ct_request *CtReq;
940 struct ulp_bde64 *bpl;
941 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
942 struct lpfc_iocbq *) = NULL;
943 uint32_t rsp_size = 1024;
944 size_t size;
945 int rc = 0;
946
947 ndlp = lpfc_findnode_did(vport, NameServer_DID);
948 if (ndlp == NULL || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
949 rc=1;
950 goto ns_cmd_exit;
951 }
952
953 /* fill in BDEs for command */
954 /* Allocate buffer for command payload */
955 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
956 if (!mp) {
957 rc=2;
958 goto ns_cmd_exit;
959 }
960
961 INIT_LIST_HEAD(&mp->list);
962 mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
963 if (!mp->virt) {
964 rc=3;
965 goto ns_cmd_free_mp;
966 }
967
968 /* Allocate buffer for Buffer ptr list */
969 bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
970 if (!bmp) {
971 rc=4;
972 goto ns_cmd_free_mpvirt;
973 }
974
975 INIT_LIST_HEAD(&bmp->list);
976 bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
977 if (!bmp->virt) {
978 rc=5;
979 goto ns_cmd_free_bmp;
980 }
981
982 /* NameServer Req */
983 lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
984 "0236 NameServer Req Data: x%x x%x x%x\n",
985 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt);
986
987 bpl = (struct ulp_bde64 *) bmp->virt;
988 memset(bpl, 0, sizeof(struct ulp_bde64));
989 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
990 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
991 bpl->tus.f.bdeFlags = 0;
992 if (cmdcode == SLI_CTNS_GID_FT)
993 bpl->tus.f.bdeSize = GID_REQUEST_SZ;
994 else if (cmdcode == SLI_CTNS_GFF_ID)
995 bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
996 else if (cmdcode == SLI_CTNS_RFT_ID)
997 bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
998 else if (cmdcode == SLI_CTNS_RNN_ID)
999 bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1000 else if (cmdcode == SLI_CTNS_RSPN_ID)
1001 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1002 else if (cmdcode == SLI_CTNS_RSNN_NN)
1003 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1004 else if (cmdcode == SLI_CTNS_RFF_ID)
1005 bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1006 else
1007 bpl->tus.f.bdeSize = 0;
1008 bpl->tus.w = le32_to_cpu(bpl->tus.w);
1009
1010 CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1011 memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request));
1012 CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1013 CtReq->RevisionId.bits.InId = 0;
1014 CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1015 CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1016 CtReq->CommandResponse.bits.Size = 0;
1017 switch (cmdcode) {
1018 case SLI_CTNS_GID_FT:
1019 CtReq->CommandResponse.bits.CmdRsp =
1020 be16_to_cpu(SLI_CTNS_GID_FT);
1021 CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
1022 if (vport->port_state < LPFC_NS_QRY)
1023 vport->port_state = LPFC_NS_QRY;
1024 lpfc_set_disctmo(vport);
1025 cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1026 rsp_size = FC_MAX_NS_RSP;
1027 break;
1028
1029 case SLI_CTNS_GFF_ID:
1030 CtReq->CommandResponse.bits.CmdRsp =
1031 be16_to_cpu(SLI_CTNS_GFF_ID);
1032 CtReq->un.gff.PortId = be32_to_cpu(context);
1033 cmpl = lpfc_cmpl_ct_cmd_gff_id;
1034 break;
1035
1036 case SLI_CTNS_RFT_ID:
1037 CtReq->CommandResponse.bits.CmdRsp =
1038 be16_to_cpu(SLI_CTNS_RFT_ID);
1039 CtReq->un.rft.PortId = be32_to_cpu(vport->fc_myDID);
1040 CtReq->un.rft.fcpReg = 1;
1041 cmpl = lpfc_cmpl_ct_cmd_rft_id;
1042 break;
1043
1044 case SLI_CTNS_RNN_ID:
1045 CtReq->CommandResponse.bits.CmdRsp =
1046 be16_to_cpu(SLI_CTNS_RNN_ID);
1047 CtReq->un.rnn.PortId = be32_to_cpu(vport->fc_myDID);
1048 memcpy(CtReq->un.rnn.wwnn, &vport->fc_nodename,
1049 sizeof (struct lpfc_name));
1050 cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1051 break;
1052
1053 case SLI_CTNS_RSPN_ID:
1054 CtReq->CommandResponse.bits.CmdRsp =
1055 be16_to_cpu(SLI_CTNS_RSPN_ID);
1056 CtReq->un.rspn.PortId = be32_to_cpu(vport->fc_myDID);
1057 size = sizeof(CtReq->un.rspn.symbname);
1058 CtReq->un.rspn.len =
1059 lpfc_vport_symbolic_port_name(vport,
1060 CtReq->un.rspn.symbname, size);
1061 cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1062 break;
1063 case SLI_CTNS_RSNN_NN:
1064 CtReq->CommandResponse.bits.CmdRsp =
1065 be16_to_cpu(SLI_CTNS_RSNN_NN);
1066 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1067 sizeof (struct lpfc_name));
1068 size = sizeof(CtReq->un.rsnn.symbname);
1069 CtReq->un.rsnn.len =
1070 lpfc_vport_symbolic_node_name(vport,
1071 CtReq->un.rsnn.symbname, size);
1072 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1073 break;
1074 case SLI_CTNS_RFF_ID:
1075 vport->fc_flag &= ~FC_RFF_NOT_SUPPORTED;
1076 CtReq->CommandResponse.bits.CmdRsp =
1077 be16_to_cpu(SLI_CTNS_RFF_ID);
1078 CtReq->un.rff.PortId = be32_to_cpu(vport->fc_myDID);;
1079 CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1080 CtReq->un.rff.type_code = FC_FCP_DATA;
1081 cmpl = lpfc_cmpl_ct_cmd_rff_id;
1082 break;
1083 }
1084 lpfc_nlp_get(ndlp);
1085
1086 if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1087 /* On success, The cmpl function will free the buffers */
1088 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1089 "Issue CT cmd: cmd:x%x did:x%x",
1090 cmdcode, ndlp->nlp_DID, 0);
1091 return 0;
1092 }
1093
1094 rc=6;
1095 lpfc_nlp_put(ndlp);
1096 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1097 ns_cmd_free_bmp:
1098 kfree(bmp);
1099 ns_cmd_free_mpvirt:
1100 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1101 ns_cmd_free_mp:
1102 kfree(mp);
1103 ns_cmd_exit:
1104 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1105 "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1106 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1107 return 1;
1108 }
1109
1110 static void
1111 lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1112 struct lpfc_iocbq * rspiocb)
1113 {
1114 struct lpfc_dmabuf *inp = cmdiocb->context1;
1115 struct lpfc_dmabuf *outp = cmdiocb->context2;
1116 struct lpfc_sli_ct_request *CTrsp = outp->virt;
1117 struct lpfc_sli_ct_request *CTcmd = inp->virt;
1118 struct lpfc_nodelist *ndlp;
1119 uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1120 uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1121 struct lpfc_vport *vport = cmdiocb->vport;
1122 IOCB_t *irsp = &rspiocb->iocb;
1123 uint32_t latt;
1124
1125 latt = lpfc_els_chk_latt(vport);
1126
1127 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1128 "FDMI cmpl: status:x%x/x%x latt:%d",
1129 irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1130
1131 if (latt || irsp->ulpStatus) {
1132 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1133 "0229 FDMI cmd %04x failed, latt = %d "
1134 "ulpStatus: x%x, rid x%x\n",
1135 be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1136 irsp->un.ulpWord[4]);
1137 lpfc_ct_free_iocb(phba, cmdiocb);
1138 return;
1139 }
1140
1141 ndlp = lpfc_findnode_did(vport, FDMI_DID);
1142 if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1143 /* FDMI rsp failed */
1144 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1145 "0220 FDMI rsp failed Data: x%x\n",
1146 be16_to_cpu(fdmi_cmd));
1147 }
1148
1149 switch (be16_to_cpu(fdmi_cmd)) {
1150 case SLI_MGMT_RHBA:
1151 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA);
1152 break;
1153
1154 case SLI_MGMT_RPA:
1155 break;
1156
1157 case SLI_MGMT_DHBA:
1158 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT);
1159 break;
1160
1161 case SLI_MGMT_DPRT:
1162 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA);
1163 break;
1164 }
1165 lpfc_ct_free_iocb(phba, cmdiocb);
1166 return;
1167 }
1168
1169 int
1170 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode)
1171 {
1172 struct lpfc_hba *phba = vport->phba;
1173 struct lpfc_dmabuf *mp, *bmp;
1174 struct lpfc_sli_ct_request *CtReq;
1175 struct ulp_bde64 *bpl;
1176 uint32_t size;
1177 REG_HBA *rh;
1178 PORT_ENTRY *pe;
1179 REG_PORT_ATTRIBUTE *pab;
1180 ATTRIBUTE_BLOCK *ab;
1181 ATTRIBUTE_ENTRY *ae;
1182 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1183 struct lpfc_iocbq *);
1184
1185
1186 /* fill in BDEs for command */
1187 /* Allocate buffer for command payload */
1188 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1189 if (!mp)
1190 goto fdmi_cmd_exit;
1191
1192 mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
1193 if (!mp->virt)
1194 goto fdmi_cmd_free_mp;
1195
1196 /* Allocate buffer for Buffer ptr list */
1197 bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1198 if (!bmp)
1199 goto fdmi_cmd_free_mpvirt;
1200
1201 bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
1202 if (!bmp->virt)
1203 goto fdmi_cmd_free_bmp;
1204
1205 INIT_LIST_HEAD(&mp->list);
1206 INIT_LIST_HEAD(&bmp->list);
1207
1208 /* FDMI request */
1209 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1210 "0218 FDMI Request Data: x%x x%x x%x\n",
1211 vport->fc_flag, vport->port_state, cmdcode);
1212 CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1213
1214 memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1215 CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1216 CtReq->RevisionId.bits.InId = 0;
1217
1218 CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
1219 CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
1220 size = 0;
1221
1222 switch (cmdcode) {
1223 case SLI_MGMT_RHBA:
1224 {
1225 lpfc_vpd_t *vp = &phba->vpd;
1226 uint32_t i, j, incr;
1227 int len;
1228
1229 CtReq->CommandResponse.bits.CmdRsp =
1230 be16_to_cpu(SLI_MGMT_RHBA);
1231 CtReq->CommandResponse.bits.Size = 0;
1232 rh = (REG_HBA *) & CtReq->un.PortID;
1233 memcpy(&rh->hi.PortName, &vport->fc_sparam.portName,
1234 sizeof (struct lpfc_name));
1235 /* One entry (port) per adapter */
1236 rh->rpl.EntryCnt = be32_to_cpu(1);
1237 memcpy(&rh->rpl.pe, &vport->fc_sparam.portName,
1238 sizeof (struct lpfc_name));
1239
1240 /* point to the HBA attribute block */
1241 size = 2 * sizeof (struct lpfc_name) + FOURBYTES;
1242 ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size);
1243 ab->EntryCnt = 0;
1244
1245 /* Point to the beginning of the first HBA attribute
1246 entry */
1247 /* #1 HBA attribute entry */
1248 size += FOURBYTES;
1249 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1250 ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME);
1251 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES
1252 + sizeof (struct lpfc_name));
1253 memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName,
1254 sizeof (struct lpfc_name));
1255 ab->EntryCnt++;
1256 size += FOURBYTES + sizeof (struct lpfc_name);
1257
1258 /* #2 HBA attribute entry */
1259 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1260 ae->ad.bits.AttrType = be16_to_cpu(MANUFACTURER);
1261 strcpy(ae->un.Manufacturer, "Emulex Corporation");
1262 len = strlen(ae->un.Manufacturer);
1263 len += (len & 3) ? (4 - (len & 3)) : 4;
1264 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1265 ab->EntryCnt++;
1266 size += FOURBYTES + len;
1267
1268 /* #3 HBA attribute entry */
1269 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1270 ae->ad.bits.AttrType = be16_to_cpu(SERIAL_NUMBER);
1271 strcpy(ae->un.SerialNumber, phba->SerialNumber);
1272 len = strlen(ae->un.SerialNumber);
1273 len += (len & 3) ? (4 - (len & 3)) : 4;
1274 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1275 ab->EntryCnt++;
1276 size += FOURBYTES + len;
1277
1278 /* #4 HBA attribute entry */
1279 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1280 ae->ad.bits.AttrType = be16_to_cpu(MODEL);
1281 strcpy(ae->un.Model, phba->ModelName);
1282 len = strlen(ae->un.Model);
1283 len += (len & 3) ? (4 - (len & 3)) : 4;
1284 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1285 ab->EntryCnt++;
1286 size += FOURBYTES + len;
1287
1288 /* #5 HBA attribute entry */
1289 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1290 ae->ad.bits.AttrType = be16_to_cpu(MODEL_DESCRIPTION);
1291 strcpy(ae->un.ModelDescription, phba->ModelDesc);
1292 len = strlen(ae->un.ModelDescription);
1293 len += (len & 3) ? (4 - (len & 3)) : 4;
1294 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1295 ab->EntryCnt++;
1296 size += FOURBYTES + len;
1297
1298 /* #6 HBA attribute entry */
1299 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1300 ae->ad.bits.AttrType = be16_to_cpu(HARDWARE_VERSION);
1301 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 8);
1302 /* Convert JEDEC ID to ascii for hardware version */
1303 incr = vp->rev.biuRev;
1304 for (i = 0; i < 8; i++) {
1305 j = (incr & 0xf);
1306 if (j <= 9)
1307 ae->un.HardwareVersion[7 - i] =
1308 (char)((uint8_t) 0x30 +
1309 (uint8_t) j);
1310 else
1311 ae->un.HardwareVersion[7 - i] =
1312 (char)((uint8_t) 0x61 +
1313 (uint8_t) (j - 10));
1314 incr = (incr >> 4);
1315 }
1316 ab->EntryCnt++;
1317 size += FOURBYTES + 8;
1318
1319 /* #7 HBA attribute entry */
1320 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1321 ae->ad.bits.AttrType = be16_to_cpu(DRIVER_VERSION);
1322 strcpy(ae->un.DriverVersion, lpfc_release_version);
1323 len = strlen(ae->un.DriverVersion);
1324 len += (len & 3) ? (4 - (len & 3)) : 4;
1325 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1326 ab->EntryCnt++;
1327 size += FOURBYTES + len;
1328
1329 /* #8 HBA attribute entry */
1330 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1331 ae->ad.bits.AttrType = be16_to_cpu(OPTION_ROM_VERSION);
1332 strcpy(ae->un.OptionROMVersion, phba->OptionROMVersion);
1333 len = strlen(ae->un.OptionROMVersion);
1334 len += (len & 3) ? (4 - (len & 3)) : 4;
1335 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1336 ab->EntryCnt++;
1337 size += FOURBYTES + len;
1338
1339 /* #9 HBA attribute entry */
1340 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1341 ae->ad.bits.AttrType = be16_to_cpu(FIRMWARE_VERSION);
1342 lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion,
1343 1);
1344 len = strlen(ae->un.FirmwareVersion);
1345 len += (len & 3) ? (4 - (len & 3)) : 4;
1346 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1347 ab->EntryCnt++;
1348 size += FOURBYTES + len;
1349
1350 /* #10 HBA attribute entry */
1351 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1352 ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION);
1353 sprintf(ae->un.OsNameVersion, "%s %s %s",
1354 init_utsname()->sysname,
1355 init_utsname()->release,
1356 init_utsname()->version);
1357 len = strlen(ae->un.OsNameVersion);
1358 len += (len & 3) ? (4 - (len & 3)) : 4;
1359 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1360 ab->EntryCnt++;
1361 size += FOURBYTES + len;
1362
1363 /* #11 HBA attribute entry */
1364 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1365 ae->ad.bits.AttrType = be16_to_cpu(MAX_CT_PAYLOAD_LEN);
1366 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1367 ae->un.MaxCTPayloadLen = (65 * 4096);
1368 ab->EntryCnt++;
1369 size += FOURBYTES + 4;
1370
1371 ab->EntryCnt = be32_to_cpu(ab->EntryCnt);
1372 /* Total size */
1373 size = GID_REQUEST_SZ - 4 + size;
1374 }
1375 break;
1376
1377 case SLI_MGMT_RPA:
1378 {
1379 lpfc_vpd_t *vp;
1380 struct serv_parm *hsp;
1381 int len;
1382
1383 vp = &phba->vpd;
1384
1385 CtReq->CommandResponse.bits.CmdRsp =
1386 be16_to_cpu(SLI_MGMT_RPA);
1387 CtReq->CommandResponse.bits.Size = 0;
1388 pab = (REG_PORT_ATTRIBUTE *) & CtReq->un.PortID;
1389 size = sizeof (struct lpfc_name) + FOURBYTES;
1390 memcpy((uint8_t *) & pab->PortName,
1391 (uint8_t *) & vport->fc_sparam.portName,
1392 sizeof (struct lpfc_name));
1393 pab->ab.EntryCnt = 0;
1394
1395 /* #1 Port attribute entry */
1396 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1397 ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_FC4_TYPES);
1398 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 32);
1399 ae->un.SupportFC4Types[2] = 1;
1400 ae->un.SupportFC4Types[7] = 1;
1401 pab->ab.EntryCnt++;
1402 size += FOURBYTES + 32;
1403
1404 /* #2 Port attribute entry */
1405 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1406 ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_SPEED);
1407 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1408
1409 ae->un.SupportSpeed = 0;
1410 if (phba->lmt & LMT_10Gb)
1411 ae->un.SupportSpeed = HBA_PORTSPEED_10GBIT;
1412 if (phba->lmt & LMT_8Gb)
1413 ae->un.SupportSpeed |= HBA_PORTSPEED_8GBIT;
1414 if (phba->lmt & LMT_4Gb)
1415 ae->un.SupportSpeed |= HBA_PORTSPEED_4GBIT;
1416 if (phba->lmt & LMT_2Gb)
1417 ae->un.SupportSpeed |= HBA_PORTSPEED_2GBIT;
1418 if (phba->lmt & LMT_1Gb)
1419 ae->un.SupportSpeed |= HBA_PORTSPEED_1GBIT;
1420
1421 pab->ab.EntryCnt++;
1422 size += FOURBYTES + 4;
1423
1424 /* #3 Port attribute entry */
1425 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1426 ae->ad.bits.AttrType = be16_to_cpu(PORT_SPEED);
1427 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1428 switch(phba->fc_linkspeed) {
1429 case LA_1GHZ_LINK:
1430 ae->un.PortSpeed = HBA_PORTSPEED_1GBIT;
1431 break;
1432 case LA_2GHZ_LINK:
1433 ae->un.PortSpeed = HBA_PORTSPEED_2GBIT;
1434 break;
1435 case LA_4GHZ_LINK:
1436 ae->un.PortSpeed = HBA_PORTSPEED_4GBIT;
1437 break;
1438 case LA_8GHZ_LINK:
1439 ae->un.PortSpeed = HBA_PORTSPEED_8GBIT;
1440 break;
1441 default:
1442 ae->un.PortSpeed =
1443 HBA_PORTSPEED_UNKNOWN;
1444 break;
1445 }
1446 pab->ab.EntryCnt++;
1447 size += FOURBYTES + 4;
1448
1449 /* #4 Port attribute entry */
1450 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1451 ae->ad.bits.AttrType = be16_to_cpu(MAX_FRAME_SIZE);
1452 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1453 hsp = (struct serv_parm *) & vport->fc_sparam;
1454 ae->un.MaxFrameSize =
1455 (((uint32_t) hsp->cmn.
1456 bbRcvSizeMsb) << 8) | (uint32_t) hsp->cmn.
1457 bbRcvSizeLsb;
1458 pab->ab.EntryCnt++;
1459 size += FOURBYTES + 4;
1460
1461 /* #5 Port attribute entry */
1462 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1463 ae->ad.bits.AttrType = be16_to_cpu(OS_DEVICE_NAME);
1464 strcpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME);
1465 len = strlen((char *)ae->un.OsDeviceName);
1466 len += (len & 3) ? (4 - (len & 3)) : 4;
1467 ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1468 pab->ab.EntryCnt++;
1469 size += FOURBYTES + len;
1470
1471 if (vport->cfg_fdmi_on == 2) {
1472 /* #6 Port attribute entry */
1473 ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab +
1474 size);
1475 ae->ad.bits.AttrType = be16_to_cpu(HOST_NAME);
1476 sprintf(ae->un.HostName, "%s",
1477 init_utsname()->nodename);
1478 len = strlen(ae->un.HostName);
1479 len += (len & 3) ? (4 - (len & 3)) : 4;
1480 ae->ad.bits.AttrLen =
1481 be16_to_cpu(FOURBYTES + len);
1482 pab->ab.EntryCnt++;
1483 size += FOURBYTES + len;
1484 }
1485
1486 pab->ab.EntryCnt = be32_to_cpu(pab->ab.EntryCnt);
1487 /* Total size */
1488 size = GID_REQUEST_SZ - 4 + size;
1489 }
1490 break;
1491
1492 case SLI_MGMT_DHBA:
1493 CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DHBA);
1494 CtReq->CommandResponse.bits.Size = 0;
1495 pe = (PORT_ENTRY *) & CtReq->un.PortID;
1496 memcpy((uint8_t *) & pe->PortName,
1497 (uint8_t *) & vport->fc_sparam.portName,
1498 sizeof (struct lpfc_name));
1499 size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1500 break;
1501
1502 case SLI_MGMT_DPRT:
1503 CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DPRT);
1504 CtReq->CommandResponse.bits.Size = 0;
1505 pe = (PORT_ENTRY *) & CtReq->un.PortID;
1506 memcpy((uint8_t *) & pe->PortName,
1507 (uint8_t *) & vport->fc_sparam.portName,
1508 sizeof (struct lpfc_name));
1509 size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1510 break;
1511 }
1512
1513 bpl = (struct ulp_bde64 *) bmp->virt;
1514 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1515 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1516 bpl->tus.f.bdeFlags = 0;
1517 bpl->tus.f.bdeSize = size;
1518 bpl->tus.w = le32_to_cpu(bpl->tus.w);
1519
1520 cmpl = lpfc_cmpl_ct_cmd_fdmi;
1521 lpfc_nlp_get(ndlp);
1522
1523 if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP, 0))
1524 return 0;
1525
1526 lpfc_nlp_put(ndlp);
1527 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1528 fdmi_cmd_free_bmp:
1529 kfree(bmp);
1530 fdmi_cmd_free_mpvirt:
1531 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1532 fdmi_cmd_free_mp:
1533 kfree(mp);
1534 fdmi_cmd_exit:
1535 /* Issue FDMI request failed */
1536 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1537 "0244 Issue FDMI request failed Data: x%x\n",
1538 cmdcode);
1539 return 1;
1540 }
1541
1542 void
1543 lpfc_fdmi_tmo(unsigned long ptr)
1544 {
1545 struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
1546 struct lpfc_hba *phba = vport->phba;
1547 unsigned long iflag;
1548
1549 spin_lock_irqsave(&vport->work_port_lock, iflag);
1550 if (!(vport->work_port_events & WORKER_FDMI_TMO)) {
1551 vport->work_port_events |= WORKER_FDMI_TMO;
1552 spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1553
1554 spin_lock_irqsave(&phba->hbalock, iflag);
1555 if (phba->work_wait)
1556 lpfc_worker_wake_up(phba);
1557 spin_unlock_irqrestore(&phba->hbalock, iflag);
1558 }
1559 else
1560 spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1561 }
1562
1563 void
1564 lpfc_fdmi_timeout_handler(struct lpfc_vport *vport)
1565 {
1566 struct lpfc_nodelist *ndlp;
1567
1568 ndlp = lpfc_findnode_did(vport, FDMI_DID);
1569 if (ndlp) {
1570 if (init_utsname()->nodename[0] != '\0')
1571 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
1572 else
1573 mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60);
1574 }
1575 return;
1576 }
1577
1578 void
1579 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
1580 {
1581 struct lpfc_sli *psli = &phba->sli;
1582 lpfc_vpd_t *vp = &phba->vpd;
1583 uint32_t b1, b2, b3, b4, i, rev;
1584 char c;
1585 uint32_t *ptr, str[4];
1586 uint8_t *fwname;
1587
1588 if (vp->rev.rBit) {
1589 if (psli->sli_flag & LPFC_SLI2_ACTIVE)
1590 rev = vp->rev.sli2FwRev;
1591 else
1592 rev = vp->rev.sli1FwRev;
1593
1594 b1 = (rev & 0x0000f000) >> 12;
1595 b2 = (rev & 0x00000f00) >> 8;
1596 b3 = (rev & 0x000000c0) >> 6;
1597 b4 = (rev & 0x00000030) >> 4;
1598
1599 switch (b4) {
1600 case 0:
1601 c = 'N';
1602 break;
1603 case 1:
1604 c = 'A';
1605 break;
1606 case 2:
1607 c = 'B';
1608 break;
1609 default:
1610 c = 0;
1611 break;
1612 }
1613 b4 = (rev & 0x0000000f);
1614
1615 if (psli->sli_flag & LPFC_SLI2_ACTIVE)
1616 fwname = vp->rev.sli2FwName;
1617 else
1618 fwname = vp->rev.sli1FwName;
1619
1620 for (i = 0; i < 16; i++)
1621 if (fwname[i] == 0x20)
1622 fwname[i] = 0;
1623
1624 ptr = (uint32_t*)fwname;
1625
1626 for (i = 0; i < 3; i++)
1627 str[i] = be32_to_cpu(*ptr++);
1628
1629 if (c == 0) {
1630 if (flag)
1631 sprintf(fwrevision, "%d.%d%d (%s)",
1632 b1, b2, b3, (char *)str);
1633 else
1634 sprintf(fwrevision, "%d.%d%d", b1,
1635 b2, b3);
1636 } else {
1637 if (flag)
1638 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
1639 b1, b2, b3, c,
1640 b4, (char *)str);
1641 else
1642 sprintf(fwrevision, "%d.%d%d%c%d",
1643 b1, b2, b3, c, b4);
1644 }
1645 } else {
1646 rev = vp->rev.smFwRev;
1647
1648 b1 = (rev & 0xff000000) >> 24;
1649 b2 = (rev & 0x00f00000) >> 20;
1650 b3 = (rev & 0x000f0000) >> 16;
1651 c = (rev & 0x0000ff00) >> 8;
1652 b4 = (rev & 0x000000ff);
1653
1654 if (flag)
1655 sprintf(fwrevision, "%d.%d%d%c%d ", b1,
1656 b2, b3, c, b4);
1657 else
1658 sprintf(fwrevision, "%d.%d%d%c%d ", b1,
1659 b2, b3, c, b4);
1660 }
1661 return;
1662 }
Linux 2.6 libata-dev (mirror)