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[SCSI] lpfc 8.2.2 : Miscellaneous Bug Fixes
[deliverable/linux.git] / drivers / scsi / lpfc / lpfc_mbox.c
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 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
8 * *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
21
22 #include <linux/blkdev.h>
23 #include <linux/pci.h>
24 #include <linux/interrupt.h>
25
26 #include <scsi/scsi_device.h>
27 #include <scsi/scsi_transport_fc.h>
28
29 #include <scsi/scsi.h>
30
31 #include "lpfc_hw.h"
32 #include "lpfc_sli.h"
33 #include "lpfc_disc.h"
34 #include "lpfc_scsi.h"
35 #include "lpfc.h"
36 #include "lpfc_logmsg.h"
37 #include "lpfc_crtn.h"
38 #include "lpfc_compat.h"
39
40 /**********************************************/
41
42 /* mailbox command */
43 /**********************************************/
44 void
45 lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset)
46 {
47 MAILBOX_t *mb;
48 void *ctx;
49
50 mb = &pmb->mb;
51 ctx = pmb->context2;
52
53 /* Setup to dump VPD region */
54 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
55 mb->mbxCommand = MBX_DUMP_MEMORY;
56 mb->un.varDmp.cv = 1;
57 mb->un.varDmp.type = DMP_NV_PARAMS;
58 mb->un.varDmp.entry_index = offset;
59 mb->un.varDmp.region_id = DMP_REGION_VPD;
60 mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t));
61 mb->un.varDmp.co = 0;
62 mb->un.varDmp.resp_offset = 0;
63 pmb->context2 = ctx;
64 mb->mbxOwner = OWN_HOST;
65 return;
66 }
67
68 /**********************************************/
69 /* lpfc_read_nv Issue a READ NVPARAM */
70 /* mailbox command */
71 /**********************************************/
72 void
73 lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
74 {
75 MAILBOX_t *mb;
76
77 mb = &pmb->mb;
78 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
79 mb->mbxCommand = MBX_READ_NV;
80 mb->mbxOwner = OWN_HOST;
81 return;
82 }
83
84 /**********************************************/
85 /* lpfc_heart_beat Issue a HEART_BEAT */
86 /* mailbox command */
87 /**********************************************/
88 void
89 lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
90 {
91 MAILBOX_t *mb;
92
93 mb = &pmb->mb;
94 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
95 mb->mbxCommand = MBX_HEARTBEAT;
96 mb->mbxOwner = OWN_HOST;
97 return;
98 }
99
100 /**********************************************/
101 /* lpfc_read_la Issue a READ LA */
102 /* mailbox command */
103 /**********************************************/
104 int
105 lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp)
106 {
107 MAILBOX_t *mb;
108 struct lpfc_sli *psli;
109
110 psli = &phba->sli;
111 mb = &pmb->mb;
112 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
113
114 INIT_LIST_HEAD(&mp->list);
115 mb->mbxCommand = MBX_READ_LA64;
116 mb->un.varReadLA.un.lilpBde64.tus.f.bdeSize = 128;
117 mb->un.varReadLA.un.lilpBde64.addrHigh = putPaddrHigh(mp->phys);
118 mb->un.varReadLA.un.lilpBde64.addrLow = putPaddrLow(mp->phys);
119
120 /* Save address for later completion and set the owner to host so that
121 * the FW knows this mailbox is available for processing.
122 */
123 pmb->context1 = (uint8_t *) mp;
124 mb->mbxOwner = OWN_HOST;
125 return (0);
126 }
127
128 /**********************************************/
129 /* lpfc_clear_la Issue a CLEAR LA */
130 /* mailbox command */
131 /**********************************************/
132 void
133 lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
134 {
135 MAILBOX_t *mb;
136
137 mb = &pmb->mb;
138 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
139
140 mb->un.varClearLA.eventTag = phba->fc_eventTag;
141 mb->mbxCommand = MBX_CLEAR_LA;
142 mb->mbxOwner = OWN_HOST;
143 return;
144 }
145
146 /**************************************************/
147 /* lpfc_config_link Issue a CONFIG LINK */
148 /* mailbox command */
149 /**************************************************/
150 void
151 lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
152 {
153 struct lpfc_vport *vport = phba->pport;
154 MAILBOX_t *mb = &pmb->mb;
155 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
156
157 /* NEW_FEATURE
158 * SLI-2, Coalescing Response Feature.
159 */
160 if (phba->cfg_cr_delay) {
161 mb->un.varCfgLnk.cr = 1;
162 mb->un.varCfgLnk.ci = 1;
163 mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay;
164 mb->un.varCfgLnk.cr_count = phba->cfg_cr_count;
165 }
166
167 mb->un.varCfgLnk.myId = vport->fc_myDID;
168 mb->un.varCfgLnk.edtov = phba->fc_edtov;
169 mb->un.varCfgLnk.arbtov = phba->fc_arbtov;
170 mb->un.varCfgLnk.ratov = phba->fc_ratov;
171 mb->un.varCfgLnk.rttov = phba->fc_rttov;
172 mb->un.varCfgLnk.altov = phba->fc_altov;
173 mb->un.varCfgLnk.crtov = phba->fc_crtov;
174 mb->un.varCfgLnk.citov = phba->fc_citov;
175
176 if (phba->cfg_ack0)
177 mb->un.varCfgLnk.ack0_enable = 1;
178
179 mb->mbxCommand = MBX_CONFIG_LINK;
180 mb->mbxOwner = OWN_HOST;
181 return;
182 }
183
184 /**********************************************/
185 /* lpfc_init_link Issue an INIT LINK */
186 /* mailbox command */
187 /**********************************************/
188 void
189 lpfc_init_link(struct lpfc_hba * phba,
190 LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed)
191 {
192 lpfc_vpd_t *vpd;
193 struct lpfc_sli *psli;
194 MAILBOX_t *mb;
195
196 mb = &pmb->mb;
197 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
198
199 psli = &phba->sli;
200 switch (topology) {
201 case FLAGS_TOPOLOGY_MODE_LOOP_PT:
202 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
203 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
204 break;
205 case FLAGS_TOPOLOGY_MODE_PT_PT:
206 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
207 break;
208 case FLAGS_TOPOLOGY_MODE_LOOP:
209 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
210 break;
211 case FLAGS_TOPOLOGY_MODE_PT_LOOP:
212 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
213 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
214 break;
215 case FLAGS_LOCAL_LB:
216 mb->un.varInitLnk.link_flags = FLAGS_LOCAL_LB;
217 break;
218 }
219
220 /* Enable asynchronous ABTS responses from firmware */
221 mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT;
222
223 /* NEW_FEATURE
224 * Setting up the link speed
225 */
226 vpd = &phba->vpd;
227 if (vpd->rev.feaLevelHigh >= 0x02){
228 switch(linkspeed){
229 case LINK_SPEED_1G:
230 case LINK_SPEED_2G:
231 case LINK_SPEED_4G:
232 case LINK_SPEED_8G:
233 mb->un.varInitLnk.link_flags |=
234 FLAGS_LINK_SPEED;
235 mb->un.varInitLnk.link_speed = linkspeed;
236 break;
237 case LINK_SPEED_AUTO:
238 default:
239 mb->un.varInitLnk.link_speed =
240 LINK_SPEED_AUTO;
241 break;
242 }
243
244 }
245 else
246 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
247
248 mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK;
249 mb->mbxOwner = OWN_HOST;
250 mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA;
251 return;
252 }
253
254 /**********************************************/
255 /* lpfc_read_sparam Issue a READ SPARAM */
256 /* mailbox command */
257 /**********************************************/
258 int
259 lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi)
260 {
261 struct lpfc_dmabuf *mp;
262 MAILBOX_t *mb;
263 struct lpfc_sli *psli;
264
265 psli = &phba->sli;
266 mb = &pmb->mb;
267 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
268
269 mb->mbxOwner = OWN_HOST;
270
271 /* Get a buffer to hold the HBAs Service Parameters */
272
273 if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) ||
274 ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
275 kfree(mp);
276 mb->mbxCommand = MBX_READ_SPARM64;
277 /* READ_SPARAM: no buffers */
278 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
279 "0301 READ_SPARAM: no buffers\n");
280 return (1);
281 }
282 INIT_LIST_HEAD(&mp->list);
283 mb->mbxCommand = MBX_READ_SPARM64;
284 mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
285 mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys);
286 mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys);
287 mb->un.varRdSparm.vpi = vpi;
288
289 /* save address for completion */
290 pmb->context1 = mp;
291
292 return (0);
293 }
294
295 /********************************************/
296 /* lpfc_unreg_did Issue a UNREG_DID */
297 /* mailbox command */
298 /********************************************/
299 void
300 lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did,
301 LPFC_MBOXQ_t * pmb)
302 {
303 MAILBOX_t *mb;
304
305 mb = &pmb->mb;
306 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
307
308 mb->un.varUnregDID.did = did;
309 mb->un.varUnregDID.vpi = vpi;
310
311 mb->mbxCommand = MBX_UNREG_D_ID;
312 mb->mbxOwner = OWN_HOST;
313 return;
314 }
315
316 /**********************************************/
317 /* lpfc_read_nv Issue a READ CONFIG */
318 /* mailbox command */
319 /**********************************************/
320 void
321 lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
322 {
323 MAILBOX_t *mb;
324
325 mb = &pmb->mb;
326 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
327
328 mb->mbxCommand = MBX_READ_CONFIG;
329 mb->mbxOwner = OWN_HOST;
330 return;
331 }
332
333 /*************************************************/
334 /* lpfc_read_lnk_stat Issue a READ LINK STATUS */
335 /* mailbox command */
336 /*************************************************/
337 void
338 lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
339 {
340 MAILBOX_t *mb;
341
342 mb = &pmb->mb;
343 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
344
345 mb->mbxCommand = MBX_READ_LNK_STAT;
346 mb->mbxOwner = OWN_HOST;
347 return;
348 }
349
350 /********************************************/
351 /* lpfc_reg_login Issue a REG_LOGIN */
352 /* mailbox command */
353 /********************************************/
354 int
355 lpfc_reg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t did,
356 uint8_t *param, LPFC_MBOXQ_t *pmb, uint32_t flag)
357 {
358 MAILBOX_t *mb = &pmb->mb;
359 uint8_t *sparam;
360 struct lpfc_dmabuf *mp;
361
362 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
363
364 mb->un.varRegLogin.rpi = 0;
365 mb->un.varRegLogin.vpi = vpi;
366 mb->un.varRegLogin.did = did;
367 mb->un.varWords[30] = flag; /* Set flag to issue action on cmpl */
368
369 mb->mbxOwner = OWN_HOST;
370
371 /* Get a buffer to hold NPorts Service Parameters */
372 if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == NULL) ||
373 ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
374 kfree(mp);
375 mb->mbxCommand = MBX_REG_LOGIN64;
376 /* REG_LOGIN: no buffers */
377 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
378 "0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, "
379 "flag x%x\n", vpi, did, flag);
380 return (1);
381 }
382 INIT_LIST_HEAD(&mp->list);
383 sparam = mp->virt;
384
385 /* Copy param's into a new buffer */
386 memcpy(sparam, param, sizeof (struct serv_parm));
387
388 /* save address for completion */
389 pmb->context1 = (uint8_t *) mp;
390
391 mb->mbxCommand = MBX_REG_LOGIN64;
392 mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
393 mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys);
394 mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys);
395
396 return (0);
397 }
398
399 /**********************************************/
400 /* lpfc_unreg_login Issue a UNREG_LOGIN */
401 /* mailbox command */
402 /**********************************************/
403 void
404 lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi,
405 LPFC_MBOXQ_t * pmb)
406 {
407 MAILBOX_t *mb;
408
409 mb = &pmb->mb;
410 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
411
412 mb->un.varUnregLogin.rpi = (uint16_t) rpi;
413 mb->un.varUnregLogin.rsvd1 = 0;
414 mb->un.varUnregLogin.vpi = vpi;
415
416 mb->mbxCommand = MBX_UNREG_LOGIN;
417 mb->mbxOwner = OWN_HOST;
418 return;
419 }
420
421 /**************************************************/
422 /* lpfc_reg_vpi Issue a REG_VPI */
423 /* mailbox command */
424 /**************************************************/
425 void
426 lpfc_reg_vpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t sid,
427 LPFC_MBOXQ_t *pmb)
428 {
429 MAILBOX_t *mb = &pmb->mb;
430
431 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
432
433 mb->un.varRegVpi.vpi = vpi;
434 mb->un.varRegVpi.sid = sid;
435
436 mb->mbxCommand = MBX_REG_VPI;
437 mb->mbxOwner = OWN_HOST;
438 return;
439
440 }
441
442 /**************************************************/
443 /* lpfc_unreg_vpi Issue a UNREG_VNPI */
444 /* mailbox command */
445 /**************************************************/
446 void
447 lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb)
448 {
449 MAILBOX_t *mb = &pmb->mb;
450 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
451
452 mb->un.varUnregVpi.vpi = vpi;
453
454 mb->mbxCommand = MBX_UNREG_VPI;
455 mb->mbxOwner = OWN_HOST;
456 return;
457
458 }
459
460 static void
461 lpfc_config_pcb_setup(struct lpfc_hba * phba)
462 {
463 struct lpfc_sli *psli = &phba->sli;
464 struct lpfc_sli_ring *pring;
465 PCB_t *pcbp = &phba->slim2p->pcb;
466 dma_addr_t pdma_addr;
467 uint32_t offset;
468 uint32_t iocbCnt = 0;
469 int i;
470
471 pcbp->maxRing = (psli->num_rings - 1);
472
473 for (i = 0; i < psli->num_rings; i++) {
474 pring = &psli->ring[i];
475
476 pring->sizeCiocb = phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE:
477 SLI2_IOCB_CMD_SIZE;
478 pring->sizeRiocb = phba->sli_rev == 3 ? SLI3_IOCB_RSP_SIZE:
479 SLI2_IOCB_RSP_SIZE;
480 /* A ring MUST have both cmd and rsp entries defined to be
481 valid */
482 if ((pring->numCiocb == 0) || (pring->numRiocb == 0)) {
483 pcbp->rdsc[i].cmdEntries = 0;
484 pcbp->rdsc[i].rspEntries = 0;
485 pcbp->rdsc[i].cmdAddrHigh = 0;
486 pcbp->rdsc[i].rspAddrHigh = 0;
487 pcbp->rdsc[i].cmdAddrLow = 0;
488 pcbp->rdsc[i].rspAddrLow = 0;
489 pring->cmdringaddr = NULL;
490 pring->rspringaddr = NULL;
491 continue;
492 }
493 /* Command ring setup for ring */
494 pring->cmdringaddr = (void *) &phba->slim2p->IOCBs[iocbCnt];
495 pcbp->rdsc[i].cmdEntries = pring->numCiocb;
496
497 offset = (uint8_t *) &phba->slim2p->IOCBs[iocbCnt] -
498 (uint8_t *) phba->slim2p;
499 pdma_addr = phba->slim2p_mapping + offset;
500 pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr);
501 pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr);
502 iocbCnt += pring->numCiocb;
503
504 /* Response ring setup for ring */
505 pring->rspringaddr = (void *) &phba->slim2p->IOCBs[iocbCnt];
506
507 pcbp->rdsc[i].rspEntries = pring->numRiocb;
508 offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] -
509 (uint8_t *)phba->slim2p;
510 pdma_addr = phba->slim2p_mapping + offset;
511 pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr);
512 pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr);
513 iocbCnt += pring->numRiocb;
514 }
515 }
516
517 void
518 lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
519 {
520 MAILBOX_t *mb = &pmb->mb;
521 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
522 mb->un.varRdRev.cv = 1;
523 mb->un.varRdRev.v3req = 1; /* Request SLI3 info */
524 mb->mbxCommand = MBX_READ_REV;
525 mb->mbxOwner = OWN_HOST;
526 return;
527 }
528
529 static void
530 lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb,
531 struct lpfc_hbq_init *hbq_desc)
532 {
533 hbqmb->profiles.profile2.seqlenbcnt = hbq_desc->seqlenbcnt;
534 hbqmb->profiles.profile2.maxlen = hbq_desc->maxlen;
535 hbqmb->profiles.profile2.seqlenoff = hbq_desc->seqlenoff;
536 }
537
538 static void
539 lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb,
540 struct lpfc_hbq_init *hbq_desc)
541 {
542 hbqmb->profiles.profile3.seqlenbcnt = hbq_desc->seqlenbcnt;
543 hbqmb->profiles.profile3.maxlen = hbq_desc->maxlen;
544 hbqmb->profiles.profile3.cmdcodeoff = hbq_desc->cmdcodeoff;
545 hbqmb->profiles.profile3.seqlenoff = hbq_desc->seqlenoff;
546 memcpy(&hbqmb->profiles.profile3.cmdmatch, hbq_desc->cmdmatch,
547 sizeof(hbqmb->profiles.profile3.cmdmatch));
548 }
549
550 static void
551 lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb,
552 struct lpfc_hbq_init *hbq_desc)
553 {
554 hbqmb->profiles.profile5.seqlenbcnt = hbq_desc->seqlenbcnt;
555 hbqmb->profiles.profile5.maxlen = hbq_desc->maxlen;
556 hbqmb->profiles.profile5.cmdcodeoff = hbq_desc->cmdcodeoff;
557 hbqmb->profiles.profile5.seqlenoff = hbq_desc->seqlenoff;
558 memcpy(&hbqmb->profiles.profile5.cmdmatch, hbq_desc->cmdmatch,
559 sizeof(hbqmb->profiles.profile5.cmdmatch));
560 }
561
562 void
563 lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id,
564 struct lpfc_hbq_init *hbq_desc,
565 uint32_t hbq_entry_index, LPFC_MBOXQ_t *pmb)
566 {
567 int i;
568 MAILBOX_t *mb = &pmb->mb;
569 struct config_hbq_var *hbqmb = &mb->un.varCfgHbq;
570
571 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
572 hbqmb->hbqId = id;
573 hbqmb->entry_count = hbq_desc->entry_count; /* # entries in HBQ */
574 hbqmb->recvNotify = hbq_desc->rn; /* Receive
575 * Notification */
576 hbqmb->numMask = hbq_desc->mask_count; /* # R_CTL/TYPE masks
577 * # in words 0-19 */
578 hbqmb->profile = hbq_desc->profile; /* Selection profile:
579 * 0 = all,
580 * 7 = logentry */
581 hbqmb->ringMask = hbq_desc->ring_mask; /* Binds HBQ to a ring
582 * e.g. Ring0=b0001,
583 * ring2=b0100 */
584 hbqmb->headerLen = hbq_desc->headerLen; /* 0 if not profile 4
585 * or 5 */
586 hbqmb->logEntry = hbq_desc->logEntry; /* Set to 1 if this
587 * HBQ will be used
588 * for LogEntry
589 * buffers */
590 hbqmb->hbqaddrLow = putPaddrLow(phba->hbqslimp.phys) +
591 hbq_entry_index * sizeof(struct lpfc_hbq_entry);
592 hbqmb->hbqaddrHigh = putPaddrHigh(phba->hbqslimp.phys);
593
594 mb->mbxCommand = MBX_CONFIG_HBQ;
595 mb->mbxOwner = OWN_HOST;
596
597 /* Copy info for profiles 2,3,5. Other
598 * profiles this area is reserved
599 */
600 if (hbq_desc->profile == 2)
601 lpfc_build_hbq_profile2(hbqmb, hbq_desc);
602 else if (hbq_desc->profile == 3)
603 lpfc_build_hbq_profile3(hbqmb, hbq_desc);
604 else if (hbq_desc->profile == 5)
605 lpfc_build_hbq_profile5(hbqmb, hbq_desc);
606
607 /* Return if no rctl / type masks for this HBQ */
608 if (!hbq_desc->mask_count)
609 return;
610
611 /* Otherwise we setup specific rctl / type masks for this HBQ */
612 for (i = 0; i < hbq_desc->mask_count; i++) {
613 hbqmb->hbqMasks[i].tmatch = hbq_desc->hbqMasks[i].tmatch;
614 hbqmb->hbqMasks[i].tmask = hbq_desc->hbqMasks[i].tmask;
615 hbqmb->hbqMasks[i].rctlmatch = hbq_desc->hbqMasks[i].rctlmatch;
616 hbqmb->hbqMasks[i].rctlmask = hbq_desc->hbqMasks[i].rctlmask;
617 }
618
619 return;
620 }
621
622
623
624 void
625 lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
626 {
627 int i;
628 MAILBOX_t *mb = &pmb->mb;
629 struct lpfc_sli *psli;
630 struct lpfc_sli_ring *pring;
631
632 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
633
634 mb->un.varCfgRing.ring = ring;
635 mb->un.varCfgRing.maxOrigXchg = 0;
636 mb->un.varCfgRing.maxRespXchg = 0;
637 mb->un.varCfgRing.recvNotify = 1;
638
639 psli = &phba->sli;
640 pring = &psli->ring[ring];
641 mb->un.varCfgRing.numMask = pring->num_mask;
642 mb->mbxCommand = MBX_CONFIG_RING;
643 mb->mbxOwner = OWN_HOST;
644
645 /* Is this ring configured for a specific profile */
646 if (pring->prt[0].profile) {
647 mb->un.varCfgRing.profile = pring->prt[0].profile;
648 return;
649 }
650
651 /* Otherwise we setup specific rctl / type masks for this ring */
652 for (i = 0; i < pring->num_mask; i++) {
653 mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl;
654 if (mb->un.varCfgRing.rrRegs[i].rval != FC_ELS_REQ)
655 mb->un.varCfgRing.rrRegs[i].rmask = 0xff;
656 else
657 mb->un.varCfgRing.rrRegs[i].rmask = 0xfe;
658 mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type;
659 mb->un.varCfgRing.rrRegs[i].tmask = 0xff;
660 }
661
662 return;
663 }
664
665 void
666 lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
667 {
668 MAILBOX_t __iomem *mb_slim = (MAILBOX_t __iomem *) phba->MBslimaddr;
669 MAILBOX_t *mb = &pmb->mb;
670 dma_addr_t pdma_addr;
671 uint32_t bar_low, bar_high;
672 size_t offset;
673 struct lpfc_hgp hgp;
674 int i;
675 uint32_t pgp_offset;
676
677 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
678 mb->mbxCommand = MBX_CONFIG_PORT;
679 mb->mbxOwner = OWN_HOST;
680
681 mb->un.varCfgPort.pcbLen = sizeof(PCB_t);
682
683 offset = (uint8_t *)&phba->slim2p->pcb - (uint8_t *)phba->slim2p;
684 pdma_addr = phba->slim2p_mapping + offset;
685 mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
686 mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);
687
688 /* If HBA supports SLI=3 ask for it */
689
690 if (phba->sli_rev == 3 && phba->vpd.sli3Feat.cerbm) {
691 mb->un.varCfgPort.cerbm = 1; /* Request HBQs */
692 mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count();
693 if (phba->max_vpi && phba->cfg_enable_npiv &&
694 phba->vpd.sli3Feat.cmv) {
695 mb->un.varCfgPort.max_vpi = phba->max_vpi;
696 mb->un.varCfgPort.cmv = 1;
697 phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED;
698 } else
699 mb->un.varCfgPort.max_vpi = phba->max_vpi = 0;
700 } else
701 phba->sli_rev = 2;
702 mb->un.varCfgPort.sli_mode = phba->sli_rev;
703
704 /* Now setup pcb */
705 phba->slim2p->pcb.type = TYPE_NATIVE_SLI2;
706 phba->slim2p->pcb.feature = FEATURE_INITIAL_SLI2;
707
708 /* Setup Mailbox pointers */
709 phba->slim2p->pcb.mailBoxSize = offsetof(MAILBOX_t, us) +
710 sizeof(struct sli2_desc);
711 offset = (uint8_t *)&phba->slim2p->mbx - (uint8_t *)phba->slim2p;
712 pdma_addr = phba->slim2p_mapping + offset;
713 phba->slim2p->pcb.mbAddrHigh = putPaddrHigh(pdma_addr);
714 phba->slim2p->pcb.mbAddrLow = putPaddrLow(pdma_addr);
715
716 /*
717 * Setup Host Group ring pointer.
718 *
719 * For efficiency reasons, the ring get/put pointers can be
720 * placed in adapter memory (SLIM) rather than in host memory.
721 * This allows firmware to avoid PCI reads/writes when updating
722 * and checking pointers.
723 *
724 * The firmware recognizes the use of SLIM memory by comparing
725 * the address of the get/put pointers structure with that of
726 * the SLIM BAR (BAR0).
727 *
728 * Caution: be sure to use the PCI config space value of BAR0/BAR1
729 * (the hardware's view of the base address), not the OS's
730 * value of pci_resource_start() as the OS value may be a cookie
731 * for ioremap/iomap.
732 */
733
734
735 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low);
736 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high);
737
738 /*
739 * Set up HGP - Port Memory
740 *
741 * The port expects the host get/put pointers to reside in memory
742 * following the "non-diagnostic" mode mailbox (32 words, 0x80 bytes)
743 * area of SLIM. In SLI-2 mode, there's an additional 16 reserved
744 * words (0x40 bytes). This area is not reserved if HBQs are
745 * configured in SLI-3.
746 *
747 * CR0Put - SLI2(no HBQs) = 0xc0, With HBQs = 0x80
748 * RR0Get 0xc4 0x84
749 * CR1Put 0xc8 0x88
750 * RR1Get 0xcc 0x8c
751 * CR2Put 0xd0 0x90
752 * RR2Get 0xd4 0x94
753 * CR3Put 0xd8 0x98
754 * RR3Get 0xdc 0x9c
755 *
756 * Reserved 0xa0-0xbf
757 * If HBQs configured:
758 * HBQ 0 Put ptr 0xc0
759 * HBQ 1 Put ptr 0xc4
760 * HBQ 2 Put ptr 0xc8
761 * ......
762 * HBQ(M-1)Put Pointer 0xc0+(M-1)*4
763 *
764 */
765
766 if (phba->sli_rev == 3) {
767 phba->host_gp = &mb_slim->us.s3.host[0];
768 phba->hbq_put = &mb_slim->us.s3.hbq_put[0];
769 } else {
770 phba->host_gp = &mb_slim->us.s2.host[0];
771 phba->hbq_put = NULL;
772 }
773
774 /* mask off BAR0's flag bits 0 - 3 */
775 phba->slim2p->pcb.hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
776 (void __iomem *) phba->host_gp -
777 (void __iomem *)phba->MBslimaddr;
778 if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
779 phba->slim2p->pcb.hgpAddrHigh = bar_high;
780 else
781 phba->slim2p->pcb.hgpAddrHigh = 0;
782 /* write HGP data to SLIM at the required longword offset */
783 memset(&hgp, 0, sizeof(struct lpfc_hgp));
784
785 for (i=0; i < phba->sli.num_rings; i++) {
786 lpfc_memcpy_to_slim(phba->host_gp + i, &hgp,
787 sizeof(*phba->host_gp));
788 }
789
790 /* Setup Port Group ring pointer */
791 if (phba->sli_rev == 3)
792 pgp_offset = (uint8_t *)&phba->slim2p->mbx.us.s3_pgp.port -
793 (uint8_t *)phba->slim2p;
794 else
795 pgp_offset = (uint8_t *)&phba->slim2p->mbx.us.s2.port -
796 (uint8_t *)phba->slim2p;
797
798 pdma_addr = phba->slim2p_mapping + pgp_offset;
799 phba->slim2p->pcb.pgpAddrHigh = putPaddrHigh(pdma_addr);
800 phba->slim2p->pcb.pgpAddrLow = putPaddrLow(pdma_addr);
801 phba->hbq_get = &phba->slim2p->mbx.us.s3_pgp.hbq_get[0];
802
803 /* Use callback routine to setp rings in the pcb */
804 lpfc_config_pcb_setup(phba);
805
806 /* special handling for LC HBAs */
807 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
808 uint32_t hbainit[5];
809
810 lpfc_hba_init(phba, hbainit);
811
812 memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20);
813 }
814
815 /* Swap PCB if needed */
816 lpfc_sli_pcimem_bcopy(&phba->slim2p->pcb, &phba->slim2p->pcb,
817 sizeof(PCB_t));
818 }
819
820 void
821 lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
822 {
823 MAILBOX_t *mb = &pmb->mb;
824
825 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
826 mb->mbxCommand = MBX_KILL_BOARD;
827 mb->mbxOwner = OWN_HOST;
828 return;
829 }
830
831 void
832 lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
833 {
834 struct lpfc_sli *psli;
835
836 psli = &phba->sli;
837
838 list_add_tail(&mbq->list, &psli->mboxq);
839
840 psli->mboxq_cnt++;
841
842 return;
843 }
844
845 LPFC_MBOXQ_t *
846 lpfc_mbox_get(struct lpfc_hba * phba)
847 {
848 LPFC_MBOXQ_t *mbq = NULL;
849 struct lpfc_sli *psli = &phba->sli;
850
851 list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t, list);
852 if (mbq)
853 psli->mboxq_cnt--;
854
855 return mbq;
856 }
857
858 void
859 lpfc_mbox_cmpl_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
860 {
861 /* This function expects to be called from interupt context */
862 spin_lock(&phba->hbalock);
863 list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl);
864 spin_unlock(&phba->hbalock);
865 return;
866 }
867
868 int
869 lpfc_mbox_tmo_val(struct lpfc_hba *phba, int cmd)
870 {
871 switch (cmd) {
872 case MBX_WRITE_NV: /* 0x03 */
873 case MBX_UPDATE_CFG: /* 0x1B */
874 case MBX_DOWN_LOAD: /* 0x1C */
875 case MBX_DEL_LD_ENTRY: /* 0x1D */
876 case MBX_LOAD_AREA: /* 0x81 */
877 case MBX_FLASH_WR_ULA: /* 0x98 */
878 case MBX_LOAD_EXP_ROM: /* 0x9C */
879 return LPFC_MBOX_TMO_FLASH_CMD;
880 }
881 return LPFC_MBOX_TMO;
882 }
Linux kernel - Deliverables
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