Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
[linux-2.6] / 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_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 interrupt 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 }