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