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x86: add PAGE_KERNEL_EXEC_NOCACHE
[wrt350n-kernel.git] / drivers / scsi / lpfc / lpfc_mbox.c
blobdfc63f6ccd7bac89c8a98a41afa5e7042cea2250
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_config_async Issue a */
86 /* MBX_ASYNC_EVT_ENABLE mailbox command */
87 /**********************************************/
88 void
89 lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
90 uint32_t ring)
91 {
92 MAILBOX_t *mb;
93
94 mb = &pmb->mb;
95 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
96 mb->mbxCommand = MBX_ASYNCEVT_ENABLE;
97 mb->un.varCfgAsyncEvent.ring = ring;
98 mb->mbxOwner = OWN_HOST;
99 return;
100 }
101
102 /**********************************************/
103 /* lpfc_heart_beat Issue a HEART_BEAT */
104 /* mailbox command */
105 /**********************************************/
106 void
107 lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
108 {
109 MAILBOX_t *mb;
110
111 mb = &pmb->mb;
112 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
113 mb->mbxCommand = MBX_HEARTBEAT;
114 mb->mbxOwner = OWN_HOST;
115 return;
116 }
117
118 /**********************************************/
119 /* lpfc_read_la Issue a READ LA */
120 /* mailbox command */
121 /**********************************************/
122 int
123 lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp)
124 {
125 MAILBOX_t *mb;
126 struct lpfc_sli *psli;
127
128 psli = &phba->sli;
129 mb = &pmb->mb;
130 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
131
132 INIT_LIST_HEAD(&mp->list);
133 mb->mbxCommand = MBX_READ_LA64;
134 mb->un.varReadLA.un.lilpBde64.tus.f.bdeSize = 128;
135 mb->un.varReadLA.un.lilpBde64.addrHigh = putPaddrHigh(mp->phys);
136 mb->un.varReadLA.un.lilpBde64.addrLow = putPaddrLow(mp->phys);
137
138 /* Save address for later completion and set the owner to host so that
139 * the FW knows this mailbox is available for processing.
140 */
141 pmb->context1 = (uint8_t *) mp;
142 mb->mbxOwner = OWN_HOST;
143 return (0);
144 }
145
146 /**********************************************/
147 /* lpfc_clear_la Issue a CLEAR LA */
148 /* mailbox command */
149 /**********************************************/
150 void
151 lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
152 {
153 MAILBOX_t *mb;
154
155 mb = &pmb->mb;
156 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
157
158 mb->un.varClearLA.eventTag = phba->fc_eventTag;
159 mb->mbxCommand = MBX_CLEAR_LA;
160 mb->mbxOwner = OWN_HOST;
161 return;
162 }
163
164 /**************************************************/
165 /* lpfc_config_link Issue a CONFIG LINK */
166 /* mailbox command */
167 /**************************************************/
168 void
169 lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
170 {
171 struct lpfc_vport *vport = phba->pport;
172 MAILBOX_t *mb = &pmb->mb;
173 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
174
175 /* NEW_FEATURE
176 * SLI-2, Coalescing Response Feature.
177 */
178 if (phba->cfg_cr_delay) {
179 mb->un.varCfgLnk.cr = 1;
180 mb->un.varCfgLnk.ci = 1;
181 mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay;
182 mb->un.varCfgLnk.cr_count = phba->cfg_cr_count;
183 }
184
185 mb->un.varCfgLnk.myId = vport->fc_myDID;
186 mb->un.varCfgLnk.edtov = phba->fc_edtov;
187 mb->un.varCfgLnk.arbtov = phba->fc_arbtov;
188 mb->un.varCfgLnk.ratov = phba->fc_ratov;
189 mb->un.varCfgLnk.rttov = phba->fc_rttov;
190 mb->un.varCfgLnk.altov = phba->fc_altov;
191 mb->un.varCfgLnk.crtov = phba->fc_crtov;
192 mb->un.varCfgLnk.citov = phba->fc_citov;
193
194 if (phba->cfg_ack0)
195 mb->un.varCfgLnk.ack0_enable = 1;
196
197 mb->mbxCommand = MBX_CONFIG_LINK;
198 mb->mbxOwner = OWN_HOST;
199 return;
200 }
201
202 /**********************************************/
203 /* lpfc_init_link Issue an INIT LINK */
204 /* mailbox command */
205 /**********************************************/
206 void
207 lpfc_init_link(struct lpfc_hba * phba,
208 LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed)
209 {
210 lpfc_vpd_t *vpd;
211 struct lpfc_sli *psli;
212 MAILBOX_t *mb;
213
214 mb = &pmb->mb;
215 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
216
217 psli = &phba->sli;
218 switch (topology) {
219 case FLAGS_TOPOLOGY_MODE_LOOP_PT:
220 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
221 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
222 break;
223 case FLAGS_TOPOLOGY_MODE_PT_PT:
224 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
225 break;
226 case FLAGS_TOPOLOGY_MODE_LOOP:
227 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
228 break;
229 case FLAGS_TOPOLOGY_MODE_PT_LOOP:
230 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
231 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
232 break;
233 case FLAGS_LOCAL_LB:
234 mb->un.varInitLnk.link_flags = FLAGS_LOCAL_LB;
235 break;
236 }
237
238 /* Enable asynchronous ABTS responses from firmware */
239 mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT;
240
241 /* NEW_FEATURE
242 * Setting up the link speed
243 */
244 vpd = &phba->vpd;
245 if (vpd->rev.feaLevelHigh >= 0x02){
246 switch(linkspeed){
247 case LINK_SPEED_1G:
248 case LINK_SPEED_2G:
249 case LINK_SPEED_4G:
250 case LINK_SPEED_8G:
251 mb->un.varInitLnk.link_flags |=
252 FLAGS_LINK_SPEED;
253 mb->un.varInitLnk.link_speed = linkspeed;
254 break;
255 case LINK_SPEED_AUTO:
256 default:
257 mb->un.varInitLnk.link_speed =
258 LINK_SPEED_AUTO;
259 break;
260 }
261
262 }
263 else
264 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
265
266 mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK;
267 mb->mbxOwner = OWN_HOST;
268 mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA;
269 return;
270 }
271
272 /**********************************************/
273 /* lpfc_read_sparam Issue a READ SPARAM */
274 /* mailbox command */
275 /**********************************************/
276 int
277 lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi)
278 {
279 struct lpfc_dmabuf *mp;
280 MAILBOX_t *mb;
281 struct lpfc_sli *psli;
282
283 psli = &phba->sli;
284 mb = &pmb->mb;
285 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
286
287 mb->mbxOwner = OWN_HOST;
288
289 /* Get a buffer to hold the HBAs Service Parameters */
290
291 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
292 if (mp)
293 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
294 if (!mp || !mp->virt) {
295 kfree(mp);
296 mb->mbxCommand = MBX_READ_SPARM64;
297 /* READ_SPARAM: no buffers */
298 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
299 "0301 READ_SPARAM: no buffers\n");
300 return (1);
301 }
302 INIT_LIST_HEAD(&mp->list);
303 mb->mbxCommand = MBX_READ_SPARM64;
304 mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
305 mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys);
306 mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys);
307 mb->un.varRdSparm.vpi = vpi;
308
309 /* save address for completion */
310 pmb->context1 = mp;
311
312 return (0);
313 }
314
315 /********************************************/
316 /* lpfc_unreg_did Issue a UNREG_DID */
317 /* mailbox command */
318 /********************************************/
319 void
320 lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did,
321 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->un.varUnregDID.did = did;
329 mb->un.varUnregDID.vpi = vpi;
330
331 mb->mbxCommand = MBX_UNREG_D_ID;
332 mb->mbxOwner = OWN_HOST;
333 return;
334 }
335
336 /**********************************************/
337 /* lpfc_read_nv Issue a READ CONFIG */
338 /* mailbox command */
339 /**********************************************/
340 void
341 lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
342 {
343 MAILBOX_t *mb;
344
345 mb = &pmb->mb;
346 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
347
348 mb->mbxCommand = MBX_READ_CONFIG;
349 mb->mbxOwner = OWN_HOST;
350 return;
351 }
352
353 /*************************************************/
354 /* lpfc_read_lnk_stat Issue a READ LINK STATUS */
355 /* mailbox command */
356 /*************************************************/
357 void
358 lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
359 {
360 MAILBOX_t *mb;
361
362 mb = &pmb->mb;
363 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
364
365 mb->mbxCommand = MBX_READ_LNK_STAT;
366 mb->mbxOwner = OWN_HOST;
367 return;
368 }
369
370 /********************************************/
371 /* lpfc_reg_login Issue a REG_LOGIN */
372 /* mailbox command */
373 /********************************************/
374 int
375 lpfc_reg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t did,
376 uint8_t *param, LPFC_MBOXQ_t *pmb, uint32_t flag)
377 {
378 MAILBOX_t *mb = &pmb->mb;
379 uint8_t *sparam;
380 struct lpfc_dmabuf *mp;
381
382 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
383
384 mb->un.varRegLogin.rpi = 0;
385 mb->un.varRegLogin.vpi = vpi;
386 mb->un.varRegLogin.did = did;
387 mb->un.varWords[30] = flag; /* Set flag to issue action on cmpl */
388
389 mb->mbxOwner = OWN_HOST;
390
391 /* Get a buffer to hold NPorts Service Parameters */
392 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
393 if (mp)
394 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
395 if (!mp || !mp->virt) {
396 kfree(mp);
397 mb->mbxCommand = MBX_REG_LOGIN64;
398 /* REG_LOGIN: no buffers */
399 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
400 "0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, "
401 "flag x%x\n", vpi, did, flag);
402 return (1);
403 }
404 INIT_LIST_HEAD(&mp->list);
405 sparam = mp->virt;
406
407 /* Copy param's into a new buffer */
408 memcpy(sparam, param, sizeof (struct serv_parm));
409
410 /* save address for completion */
411 pmb->context1 = (uint8_t *) mp;
412
413 mb->mbxCommand = MBX_REG_LOGIN64;
414 mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
415 mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys);
416 mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys);
417
418 return (0);
419 }
420
421 /**********************************************/
422 /* lpfc_unreg_login Issue a UNREG_LOGIN */
423 /* mailbox command */
424 /**********************************************/
425 void
426 lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi,
427 LPFC_MBOXQ_t * pmb)
428 {
429 MAILBOX_t *mb;
430
431 mb = &pmb->mb;
432 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
433
434 mb->un.varUnregLogin.rpi = (uint16_t) rpi;
435 mb->un.varUnregLogin.rsvd1 = 0;
436 mb->un.varUnregLogin.vpi = vpi;
437
438 mb->mbxCommand = MBX_UNREG_LOGIN;
439 mb->mbxOwner = OWN_HOST;
440 return;
441 }
442
443 /**************************************************/
444 /* lpfc_reg_vpi Issue a REG_VPI */
445 /* mailbox command */
446 /**************************************************/
447 void
448 lpfc_reg_vpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t sid,
449 LPFC_MBOXQ_t *pmb)
450 {
451 MAILBOX_t *mb = &pmb->mb;
452
453 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
454
455 mb->un.varRegVpi.vpi = vpi;
456 mb->un.varRegVpi.sid = sid;
457
458 mb->mbxCommand = MBX_REG_VPI;
459 mb->mbxOwner = OWN_HOST;
460 return;
461
462 }
463
464 /**************************************************/
465 /* lpfc_unreg_vpi Issue a UNREG_VNPI */
466 /* mailbox command */
467 /**************************************************/
468 void
469 lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb)
470 {
471 MAILBOX_t *mb = &pmb->mb;
472 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
473
474 mb->un.varUnregVpi.vpi = vpi;
475
476 mb->mbxCommand = MBX_UNREG_VPI;
477 mb->mbxOwner = OWN_HOST;
478 return;
479
480 }
481
482 static void
483 lpfc_config_pcb_setup(struct lpfc_hba * phba)
484 {
485 struct lpfc_sli *psli = &phba->sli;
486 struct lpfc_sli_ring *pring;
487 PCB_t *pcbp = &phba->slim2p->pcb;
488 dma_addr_t pdma_addr;
489 uint32_t offset;
490 uint32_t iocbCnt = 0;
491 int i;
492
493 pcbp->maxRing = (psli->num_rings - 1);
494
495 for (i = 0; i < psli->num_rings; i++) {
496 pring = &psli->ring[i];
497
498 pring->sizeCiocb = phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE:
499 SLI2_IOCB_CMD_SIZE;
500 pring->sizeRiocb = phba->sli_rev == 3 ? SLI3_IOCB_RSP_SIZE:
501 SLI2_IOCB_RSP_SIZE;
502 /* A ring MUST have both cmd and rsp entries defined to be
503 valid */
504 if ((pring->numCiocb == 0) || (pring->numRiocb == 0)) {
505 pcbp->rdsc[i].cmdEntries = 0;
506 pcbp->rdsc[i].rspEntries = 0;
507 pcbp->rdsc[i].cmdAddrHigh = 0;
508 pcbp->rdsc[i].rspAddrHigh = 0;
509 pcbp->rdsc[i].cmdAddrLow = 0;
510 pcbp->rdsc[i].rspAddrLow = 0;
511 pring->cmdringaddr = NULL;
512 pring->rspringaddr = NULL;
513 continue;
514 }
515 /* Command ring setup for ring */
516 pring->cmdringaddr = (void *) &phba->slim2p->IOCBs[iocbCnt];
517 pcbp->rdsc[i].cmdEntries = pring->numCiocb;
518
519 offset = (uint8_t *) &phba->slim2p->IOCBs[iocbCnt] -
520 (uint8_t *) phba->slim2p;
521 pdma_addr = phba->slim2p_mapping + offset;
522 pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr);
523 pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr);
524 iocbCnt += pring->numCiocb;
525
526 /* Response ring setup for ring */
527 pring->rspringaddr = (void *) &phba->slim2p->IOCBs[iocbCnt];
528
529 pcbp->rdsc[i].rspEntries = pring->numRiocb;
530 offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] -
531 (uint8_t *)phba->slim2p;
532 pdma_addr = phba->slim2p_mapping + offset;
533 pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr);
534 pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr);
535 iocbCnt += pring->numRiocb;
536 }
537 }
538
539 void
540 lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
541 {
542 MAILBOX_t *mb = &pmb->mb;
543 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
544 mb->un.varRdRev.cv = 1;
545 mb->un.varRdRev.v3req = 1; /* Request SLI3 info */
546 mb->mbxCommand = MBX_READ_REV;
547 mb->mbxOwner = OWN_HOST;
548 return;
549 }
550
551 static void
552 lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb,
553 struct lpfc_hbq_init *hbq_desc)
554 {
555 hbqmb->profiles.profile2.seqlenbcnt = hbq_desc->seqlenbcnt;
556 hbqmb->profiles.profile2.maxlen = hbq_desc->maxlen;
557 hbqmb->profiles.profile2.seqlenoff = hbq_desc->seqlenoff;
558 }
559
560 static void
561 lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb,
562 struct lpfc_hbq_init *hbq_desc)
563 {
564 hbqmb->profiles.profile3.seqlenbcnt = hbq_desc->seqlenbcnt;
565 hbqmb->profiles.profile3.maxlen = hbq_desc->maxlen;
566 hbqmb->profiles.profile3.cmdcodeoff = hbq_desc->cmdcodeoff;
567 hbqmb->profiles.profile3.seqlenoff = hbq_desc->seqlenoff;
568 memcpy(&hbqmb->profiles.profile3.cmdmatch, hbq_desc->cmdmatch,
569 sizeof(hbqmb->profiles.profile3.cmdmatch));
570 }
571
572 static void
573 lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb,
574 struct lpfc_hbq_init *hbq_desc)
575 {
576 hbqmb->profiles.profile5.seqlenbcnt = hbq_desc->seqlenbcnt;
577 hbqmb->profiles.profile5.maxlen = hbq_desc->maxlen;
578 hbqmb->profiles.profile5.cmdcodeoff = hbq_desc->cmdcodeoff;
579 hbqmb->profiles.profile5.seqlenoff = hbq_desc->seqlenoff;
580 memcpy(&hbqmb->profiles.profile5.cmdmatch, hbq_desc->cmdmatch,
581 sizeof(hbqmb->profiles.profile5.cmdmatch));
582 }
583
584 void
585 lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id,
586 struct lpfc_hbq_init *hbq_desc,
587 uint32_t hbq_entry_index, LPFC_MBOXQ_t *pmb)
588 {
589 int i;
590 MAILBOX_t *mb = &pmb->mb;
591 struct config_hbq_var *hbqmb = &mb->un.varCfgHbq;
592
593 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
594 hbqmb->hbqId = id;
595 hbqmb->entry_count = hbq_desc->entry_count; /* # entries in HBQ */
596 hbqmb->recvNotify = hbq_desc->rn; /* Receive
597 * Notification */
598 hbqmb->numMask = hbq_desc->mask_count; /* # R_CTL/TYPE masks
599 * # in words 0-19 */
600 hbqmb->profile = hbq_desc->profile; /* Selection profile:
601 * 0 = all,
602 * 7 = logentry */
603 hbqmb->ringMask = hbq_desc->ring_mask; /* Binds HBQ to a ring
604 * e.g. Ring0=b0001,
605 * ring2=b0100 */
606 hbqmb->headerLen = hbq_desc->headerLen; /* 0 if not profile 4
607 * or 5 */
608 hbqmb->logEntry = hbq_desc->logEntry; /* Set to 1 if this
609 * HBQ will be used
610 * for LogEntry
611 * buffers */
612 hbqmb->hbqaddrLow = putPaddrLow(phba->hbqslimp.phys) +
613 hbq_entry_index * sizeof(struct lpfc_hbq_entry);
614 hbqmb->hbqaddrHigh = putPaddrHigh(phba->hbqslimp.phys);
615
616 mb->mbxCommand = MBX_CONFIG_HBQ;
617 mb->mbxOwner = OWN_HOST;
618
619 /* Copy info for profiles 2,3,5. Other
620 * profiles this area is reserved
621 */
622 if (hbq_desc->profile == 2)
623 lpfc_build_hbq_profile2(hbqmb, hbq_desc);
624 else if (hbq_desc->profile == 3)
625 lpfc_build_hbq_profile3(hbqmb, hbq_desc);
626 else if (hbq_desc->profile == 5)
627 lpfc_build_hbq_profile5(hbqmb, hbq_desc);
628
629 /* Return if no rctl / type masks for this HBQ */
630 if (!hbq_desc->mask_count)
631 return;
632
633 /* Otherwise we setup specific rctl / type masks for this HBQ */
634 for (i = 0; i < hbq_desc->mask_count; i++) {
635 hbqmb->hbqMasks[i].tmatch = hbq_desc->hbqMasks[i].tmatch;
636 hbqmb->hbqMasks[i].tmask = hbq_desc->hbqMasks[i].tmask;
637 hbqmb->hbqMasks[i].rctlmatch = hbq_desc->hbqMasks[i].rctlmatch;
638 hbqmb->hbqMasks[i].rctlmask = hbq_desc->hbqMasks[i].rctlmask;
639 }
640
641 return;
642 }
643
644
645
646 void
647 lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
648 {
649 int i;
650 MAILBOX_t *mb = &pmb->mb;
651 struct lpfc_sli *psli;
652 struct lpfc_sli_ring *pring;
653
654 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
655
656 mb->un.varCfgRing.ring = ring;
657 mb->un.varCfgRing.maxOrigXchg = 0;
658 mb->un.varCfgRing.maxRespXchg = 0;
659 mb->un.varCfgRing.recvNotify = 1;
660
661 psli = &phba->sli;
662 pring = &psli->ring[ring];
663 mb->un.varCfgRing.numMask = pring->num_mask;
664 mb->mbxCommand = MBX_CONFIG_RING;
665 mb->mbxOwner = OWN_HOST;
666
667 /* Is this ring configured for a specific profile */
668 if (pring->prt[0].profile) {
669 mb->un.varCfgRing.profile = pring->prt[0].profile;
670 return;
671 }
672
673 /* Otherwise we setup specific rctl / type masks for this ring */
674 for (i = 0; i < pring->num_mask; i++) {
675 mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl;
676 if (mb->un.varCfgRing.rrRegs[i].rval != FC_ELS_REQ)
677 mb->un.varCfgRing.rrRegs[i].rmask = 0xff;
678 else
679 mb->un.varCfgRing.rrRegs[i].rmask = 0xfe;
680 mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type;
681 mb->un.varCfgRing.rrRegs[i].tmask = 0xff;
682 }
683
684 return;
685 }
686
687 void
688 lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
689 {
690 MAILBOX_t __iomem *mb_slim = (MAILBOX_t __iomem *) phba->MBslimaddr;
691 MAILBOX_t *mb = &pmb->mb;
692 dma_addr_t pdma_addr;
693 uint32_t bar_low, bar_high;
694 size_t offset;
695 struct lpfc_hgp hgp;
696 int i;
697 uint32_t pgp_offset;
698
699 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
700 mb->mbxCommand = MBX_CONFIG_PORT;
701 mb->mbxOwner = OWN_HOST;
702
703 mb->un.varCfgPort.pcbLen = sizeof(PCB_t);
704
705 offset = (uint8_t *)&phba->slim2p->pcb - (uint8_t *)phba->slim2p;
706 pdma_addr = phba->slim2p_mapping + offset;
707 mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
708 mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);
709
710 /* If HBA supports SLI=3 ask for it */
711
712 if (phba->sli_rev == 3 && phba->vpd.sli3Feat.cerbm) {
713 mb->un.varCfgPort.cerbm = 1; /* Request HBQs */
714 mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count();
715 if (phba->max_vpi && phba->cfg_enable_npiv &&
716 phba->vpd.sli3Feat.cmv) {
717 mb->un.varCfgPort.max_vpi = phba->max_vpi;
718 mb->un.varCfgPort.cmv = 1;
719 phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED;
720 } else
721 mb->un.varCfgPort.max_vpi = phba->max_vpi = 0;
722 } else
723 phba->sli_rev = 2;
724 mb->un.varCfgPort.sli_mode = phba->sli_rev;
725
726 /* Now setup pcb */
727 phba->slim2p->pcb.type = TYPE_NATIVE_SLI2;
728 phba->slim2p->pcb.feature = FEATURE_INITIAL_SLI2;
729
730 /* Setup Mailbox pointers */
731 phba->slim2p->pcb.mailBoxSize = offsetof(MAILBOX_t, us) +
732 sizeof(struct sli2_desc);
733 offset = (uint8_t *)&phba->slim2p->mbx - (uint8_t *)phba->slim2p;
734 pdma_addr = phba->slim2p_mapping + offset;
735 phba->slim2p->pcb.mbAddrHigh = putPaddrHigh(pdma_addr);
736 phba->slim2p->pcb.mbAddrLow = putPaddrLow(pdma_addr);
737
738 /*
739 * Setup Host Group ring pointer.
740 *
741 * For efficiency reasons, the ring get/put pointers can be
742 * placed in adapter memory (SLIM) rather than in host memory.
743 * This allows firmware to avoid PCI reads/writes when updating
744 * and checking pointers.
745 *
746 * The firmware recognizes the use of SLIM memory by comparing
747 * the address of the get/put pointers structure with that of
748 * the SLIM BAR (BAR0).
749 *
750 * Caution: be sure to use the PCI config space value of BAR0/BAR1
751 * (the hardware's view of the base address), not the OS's
752 * value of pci_resource_start() as the OS value may be a cookie
753 * for ioremap/iomap.
754 */
755
756
757 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low);
758 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high);
759
760 /*
761 * Set up HGP - Port Memory
762 *
763 * The port expects the host get/put pointers to reside in memory
764 * following the "non-diagnostic" mode mailbox (32 words, 0x80 bytes)
765 * area of SLIM. In SLI-2 mode, there's an additional 16 reserved
766 * words (0x40 bytes). This area is not reserved if HBQs are
767 * configured in SLI-3.
768 *
769 * CR0Put - SLI2(no HBQs) = 0xc0, With HBQs = 0x80
770 * RR0Get 0xc4 0x84
771 * CR1Put 0xc8 0x88
772 * RR1Get 0xcc 0x8c
773 * CR2Put 0xd0 0x90
774 * RR2Get 0xd4 0x94
775 * CR3Put 0xd8 0x98
776 * RR3Get 0xdc 0x9c
777 *
778 * Reserved 0xa0-0xbf
779 * If HBQs configured:
780 * HBQ 0 Put ptr 0xc0
781 * HBQ 1 Put ptr 0xc4
782 * HBQ 2 Put ptr 0xc8
783 * ......
784 * HBQ(M-1)Put Pointer 0xc0+(M-1)*4
785 *
786 */
787
788 if (phba->sli_rev == 3) {
789 phba->host_gp = &mb_slim->us.s3.host[0];
790 phba->hbq_put = &mb_slim->us.s3.hbq_put[0];
791 } else {
792 phba->host_gp = &mb_slim->us.s2.host[0];
793 phba->hbq_put = NULL;
794 }
795
796 /* mask off BAR0's flag bits 0 - 3 */
797 phba->slim2p->pcb.hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
798 (void __iomem *) phba->host_gp -
799 (void __iomem *)phba->MBslimaddr;
800 if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
801 phba->slim2p->pcb.hgpAddrHigh = bar_high;
802 else
803 phba->slim2p->pcb.hgpAddrHigh = 0;
804 /* write HGP data to SLIM at the required longword offset */
805 memset(&hgp, 0, sizeof(struct lpfc_hgp));
806
807 for (i=0; i < phba->sli.num_rings; i++) {
808 lpfc_memcpy_to_slim(phba->host_gp + i, &hgp,
809 sizeof(*phba->host_gp));
810 }
811
812 /* Setup Port Group ring pointer */
813 if (phba->sli_rev == 3)
814 pgp_offset = (uint8_t *)&phba->slim2p->mbx.us.s3_pgp.port -
815 (uint8_t *)phba->slim2p;
816 else
817 pgp_offset = (uint8_t *)&phba->slim2p->mbx.us.s2.port -
818 (uint8_t *)phba->slim2p;
819
820 pdma_addr = phba->slim2p_mapping + pgp_offset;
821 phba->slim2p->pcb.pgpAddrHigh = putPaddrHigh(pdma_addr);
822 phba->slim2p->pcb.pgpAddrLow = putPaddrLow(pdma_addr);
823 phba->hbq_get = &phba->slim2p->mbx.us.s3_pgp.hbq_get[0];
824
825 /* Use callback routine to setp rings in the pcb */
826 lpfc_config_pcb_setup(phba);
827
828 /* special handling for LC HBAs */
829 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
830 uint32_t hbainit[5];
831
832 lpfc_hba_init(phba, hbainit);
833
834 memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20);
835 }
836
837 /* Swap PCB if needed */
838 lpfc_sli_pcimem_bcopy(&phba->slim2p->pcb, &phba->slim2p->pcb,
839 sizeof(PCB_t));
840 }
841
842 void
843 lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
844 {
845 MAILBOX_t *mb = &pmb->mb;
846
847 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
848 mb->mbxCommand = MBX_KILL_BOARD;
849 mb->mbxOwner = OWN_HOST;
850 return;
851 }
852
853 void
854 lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
855 {
856 struct lpfc_sli *psli;
857
858 psli = &phba->sli;
859
860 list_add_tail(&mbq->list, &psli->mboxq);
861
862 psli->mboxq_cnt++;
863
864 return;
865 }
866
867 LPFC_MBOXQ_t *
868 lpfc_mbox_get(struct lpfc_hba * phba)
869 {
870 LPFC_MBOXQ_t *mbq = NULL;
871 struct lpfc_sli *psli = &phba->sli;
872
873 list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t, list);
874 if (mbq)
875 psli->mboxq_cnt--;
876
877 return mbq;
878 }
879
880 void
881 lpfc_mbox_cmpl_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
882 {
883 /* This function expects to be called from interupt context */
884 spin_lock(&phba->hbalock);
885 list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl);
886 spin_unlock(&phba->hbalock);
887 return;
888 }
889
890 int
891 lpfc_mbox_tmo_val(struct lpfc_hba *phba, int cmd)
892 {
893 switch (cmd) {
894 case MBX_WRITE_NV: /* 0x03 */
895 case MBX_UPDATE_CFG: /* 0x1B */
896 case MBX_DOWN_LOAD: /* 0x1C */
897 case MBX_DEL_LD_ENTRY: /* 0x1D */
898 case MBX_LOAD_AREA: /* 0x81 */
899 case MBX_WRITE_WWN: /* 0x98 */
900 case MBX_LOAD_EXP_ROM: /* 0x9C */
901 return LPFC_MBOX_TMO_FLASH_CMD;
902 }
903 return LPFC_MBOX_TMO;
904 }
WRT350N Kernel Patches