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         MAILBOX_t *mb = &pmb->mb;
 138         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 139
 140         /* NEW_FEATURE
 141          * SLI-2, Coalescing Response Feature.
 142          */
 143         if (phba->cfg_cr_delay) {
 144                 mb->un.varCfgLnk.cr = 1;
 145                 mb->un.varCfgLnk.ci = 1;
 146                 mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay;
 147                 mb->un.varCfgLnk.cr_count = phba->cfg_cr_count;
 148         }
 149
 150         mb->un.varCfgLnk.myId = phba->fc_myDID;
 151         mb->un.varCfgLnk.edtov = phba->fc_edtov;
 152         mb->un.varCfgLnk.arbtov = phba->fc_arbtov;
 153         mb->un.varCfgLnk.ratov = phba->fc_ratov;
 154         mb->un.varCfgLnk.rttov = phba->fc_rttov;
 155         mb->un.varCfgLnk.altov = phba->fc_altov;
 156         mb->un.varCfgLnk.crtov = phba->fc_crtov;
 157         mb->un.varCfgLnk.citov = phba->fc_citov;
 158
 159         if (phba->cfg_ack0)
 160                 mb->un.varCfgLnk.ack0_enable = 1;
 161
 162         mb->mbxCommand = MBX_CONFIG_LINK;
 163         mb->mbxOwner = OWN_HOST;
 164         return;
 165 }
 166
 167 /**********************************************/
 168 /*  lpfc_init_link  Issue an INIT LINK        */
 169 /*                  mailbox command           */
 170 /**********************************************/
 171 void
 172 lpfc_init_link(struct lpfc_hba * phba,
 173                LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed)
 174 {
 175         lpfc_vpd_t *vpd;
 176         struct lpfc_sli *psli;
 177         MAILBOX_t *mb;
 178
 179         mb = &pmb->mb;
 180         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 181
 182         psli = &phba->sli;
 183         switch (topology) {
 184         case FLAGS_TOPOLOGY_MODE_LOOP_PT:
 185                 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
 186                 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
 187                 break;
 188         case FLAGS_TOPOLOGY_MODE_PT_PT:
 189                 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
 190                 break;
 191         case FLAGS_TOPOLOGY_MODE_LOOP:
 192                 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
 193                 break;
 194         case FLAGS_TOPOLOGY_MODE_PT_LOOP:
 195                 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
 196                 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
 197                 break;
 198         case FLAGS_LOCAL_LB:
 199                 mb->un.varInitLnk.link_flags = FLAGS_LOCAL_LB;
 200                 break;
 201         }
 202
 203         /* Enable asynchronous ABTS responses from firmware */
 204         mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT;
 205
 206         /* NEW_FEATURE
 207          * Setting up the link speed
 208          */
 209         vpd = &phba->vpd;
 210         if (vpd->rev.feaLevelHigh >= 0x02){
 211                 switch(linkspeed){
 212                         case LINK_SPEED_1G:
 213                         case LINK_SPEED_2G:
 214                         case LINK_SPEED_4G:
 215                         case LINK_SPEED_8G:
 216                                 mb->un.varInitLnk.link_flags |=
 217                                                         FLAGS_LINK_SPEED;
 218                                 mb->un.varInitLnk.link_speed = linkspeed;
 219                         break;
 220                         case LINK_SPEED_AUTO:
 221                         default:
 222                                 mb->un.varInitLnk.link_speed =
 223                                                         LINK_SPEED_AUTO;
 224                         break;
 225                 }
 226
 227         }
 228         else
 229                 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
 230
 231         mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK;
 232         mb->mbxOwner = OWN_HOST;
 233         mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA;
 234         return;
 235 }
 236
 237 /**********************************************/
 238 /*  lpfc_read_sparam  Issue a READ SPARAM     */
 239 /*                    mailbox command         */
 240 /**********************************************/
 241 int
 242 lpfc_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 243 {
 244         struct lpfc_dmabuf *mp;
 245         MAILBOX_t *mb;
 246         struct lpfc_sli *psli;
 247
 248         psli = &phba->sli;
 249         mb = &pmb->mb;
 250         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 251
 252         mb->mbxOwner = OWN_HOST;
 253
 254         /* Get a buffer to hold the HBAs Service Parameters */
 255
 256         if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) ||
 257             ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
 258                 kfree(mp);
 259                 mb->mbxCommand = MBX_READ_SPARM64;
 260                 /* READ_SPARAM: no buffers */
 261                 lpfc_printf_log(phba,
 262                                 KERN_WARNING,
 263                                 LOG_MBOX,
 264                                 "%d:0301 READ_SPARAM: no buffers\n",
 265                                 phba->brd_no);
 266                 return (1);
 267         }
 268         INIT_LIST_HEAD(&mp->list);
 269         mb->mbxCommand = MBX_READ_SPARM64;
 270         mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
 271         mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys);
 272         mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys);
 273
 274         /* save address for completion */
 275         pmb->context1 = mp;
 276
 277         return (0);
 278 }
 279
 280 /********************************************/
 281 /*  lpfc_unreg_did  Issue a UNREG_DID       */
 282 /*                  mailbox command         */
 283 /********************************************/
 284 void
 285 lpfc_unreg_did(struct lpfc_hba * phba, uint32_t did, LPFC_MBOXQ_t * pmb)
 286 {
 287         MAILBOX_t *mb;
 288
 289         mb = &pmb->mb;
 290         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 291
 292         mb->un.varUnregDID.did = did;
 293
 294         mb->mbxCommand = MBX_UNREG_D_ID;
 295         mb->mbxOwner = OWN_HOST;
 296         return;
 297 }
 298
 299 /**********************************************/
 300 /*  lpfc_read_nv  Issue a READ CONFIG         */
 301 /*                mailbox command             */
 302 /**********************************************/
 303 void
 304 lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 305 {
 306         MAILBOX_t *mb;
 307
 308         mb = &pmb->mb;
 309         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 310
 311         mb->mbxCommand = MBX_READ_CONFIG;
 312         mb->mbxOwner = OWN_HOST;
 313         return;
 314 }
 315
 316 /*************************************************/
 317 /*  lpfc_read_lnk_stat  Issue a READ LINK STATUS */
 318 /*                mailbox command                */
 319 /*************************************************/
 320 void
 321 lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 322 {
 323         MAILBOX_t *mb;
 324
 325         mb = &pmb->mb;
 326         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 327
 328         mb->mbxCommand = MBX_READ_LNK_STAT;
 329         mb->mbxOwner = OWN_HOST;
 330         return;
 331 }
 332
 333 /********************************************/
 334 /*  lpfc_reg_login  Issue a REG_LOGIN       */
 335 /*                  mailbox command         */
 336 /********************************************/
 337 int
 338 lpfc_reg_login(struct lpfc_hba * phba,
 339                uint32_t did, uint8_t * param, LPFC_MBOXQ_t * pmb, uint32_t flag)
 340 {
 341         uint8_t *sparam;
 342         struct lpfc_dmabuf *mp;
 343         MAILBOX_t *mb;
 344         struct lpfc_sli *psli;
 345
 346         psli = &phba->sli;
 347         mb = &pmb->mb;
 348         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 349
 350         mb->un.varRegLogin.rpi = 0;
 351         mb->un.varRegLogin.did = did;
 352         mb->un.varWords[30] = flag;     /* Set flag to issue action on cmpl */
 353
 354         mb->mbxOwner = OWN_HOST;
 355
 356         /* Get a buffer to hold NPorts Service Parameters */
 357         if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == NULL) ||
 358             ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
 359                 kfree(mp);
 360                 mb->mbxCommand = MBX_REG_LOGIN64;
 361                 /* REG_LOGIN: no buffers */
 362                 lpfc_printf_log(phba,
 363                                KERN_WARNING,
 364                                LOG_MBOX,
 365                                "%d:0302 REG_LOGIN: no buffers Data x%x x%x\n",
 366                                phba->brd_no,
 367                                (uint32_t) did, (uint32_t) 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, uint32_t rpi, LPFC_MBOXQ_t * pmb)
 393 {
 394         MAILBOX_t *mb;
 395
 396         mb = &pmb->mb;
 397         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 398
 399         mb->un.varUnregLogin.rpi = (uint16_t) rpi;
 400         mb->un.varUnregLogin.rsvd1 = 0;
 401
 402         mb->mbxCommand = MBX_UNREG_LOGIN;
 403         mb->mbxOwner = OWN_HOST;
 404         return;
 405 }
 406
 407 static void
 408 lpfc_config_pcb_setup(struct lpfc_hba * phba)
 409 {
 410         struct lpfc_sli *psli = &phba->sli;
 411         struct lpfc_sli_ring *pring;
 412         PCB_t *pcbp = &phba->slim2p->pcb;
 413         dma_addr_t pdma_addr;
 414         uint32_t offset;
 415         uint32_t iocbCnt;
 416         int i;
 417
 418         pcbp->maxRing = (psli->num_rings - 1);
 419
 420         iocbCnt = 0;
 421         for (i = 0; i < psli->num_rings; i++) {
 422                 pring = &psli->ring[i];
 423                 /* A ring MUST have both cmd and rsp entries defined to be
 424                    valid */
 425                 if ((pring->numCiocb == 0) || (pring->numRiocb == 0)) {
 426                         pcbp->rdsc[i].cmdEntries = 0;
 427                         pcbp->rdsc[i].rspEntries = 0;
 428                         pcbp->rdsc[i].cmdAddrHigh = 0;
 429                         pcbp->rdsc[i].rspAddrHigh = 0;
 430                         pcbp->rdsc[i].cmdAddrLow = 0;
 431                         pcbp->rdsc[i].rspAddrLow = 0;
 432                         pring->cmdringaddr = NULL;
 433                         pring->rspringaddr = NULL;
 434                         continue;
 435                 }
 436                 /* Command ring setup for ring */
 437                 pring->cmdringaddr =
 438                     (void *)&phba->slim2p->IOCBs[iocbCnt];
 439                 pcbp->rdsc[i].cmdEntries = pring->numCiocb;
 440
 441                 offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] -
 442                          (uint8_t *)phba->slim2p;
 443                 pdma_addr = phba->slim2p_mapping + offset;
 444                 pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr);
 445                 pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr);
 446                 iocbCnt += pring->numCiocb;
 447
 448                 /* Response ring setup for ring */
 449                 pring->rspringaddr =
 450                     (void *)&phba->slim2p->IOCBs[iocbCnt];
 451
 452                 pcbp->rdsc[i].rspEntries = pring->numRiocb;
 453                 offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] -
 454                          (uint8_t *)phba->slim2p;
 455                 pdma_addr = phba->slim2p_mapping + offset;
 456                 pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr);
 457                 pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr);
 458                 iocbCnt += pring->numRiocb;
 459         }
 460 }
 461
 462 void
 463 lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 464 {
 465         MAILBOX_t *mb;
 466
 467         mb = &pmb->mb;
 468         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 469         mb->un.varRdRev.cv = 1;
 470         mb->mbxCommand = MBX_READ_REV;
 471         mb->mbxOwner = OWN_HOST;
 472         return;
 473 }
 474
 475 void
 476 lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
 477 {
 478         int i;
 479         MAILBOX_t *mb = &pmb->mb;
 480         struct lpfc_sli *psli;
 481         struct lpfc_sli_ring *pring;
 482
 483         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 484
 485         mb->un.varCfgRing.ring = ring;
 486         mb->un.varCfgRing.maxOrigXchg = 0;
 487         mb->un.varCfgRing.maxRespXchg = 0;
 488         mb->un.varCfgRing.recvNotify = 1;
 489
 490         psli = &phba->sli;
 491         pring = &psli->ring[ring];
 492         mb->un.varCfgRing.numMask = pring->num_mask;
 493         mb->mbxCommand = MBX_CONFIG_RING;
 494         mb->mbxOwner = OWN_HOST;
 495
 496         /* Is this ring configured for a specific profile */
 497         if (pring->prt[0].profile) {
 498                 mb->un.varCfgRing.profile = pring->prt[0].profile;
 499                 return;
 500         }
 501
 502         /* Otherwise we setup specific rctl / type masks for this ring */
 503         for (i = 0; i < pring->num_mask; i++) {
 504                 mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl;
 505                 if (mb->un.varCfgRing.rrRegs[i].rval != FC_ELS_REQ)
 506                         mb->un.varCfgRing.rrRegs[i].rmask = 0xff;
 507                 else
 508                         mb->un.varCfgRing.rrRegs[i].rmask = 0xfe;
 509                 mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type;
 510                 mb->un.varCfgRing.rrRegs[i].tmask = 0xff;
 511         }
 512
 513         return;
 514 }
 515
 516 void
 517 lpfc_config_port(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 518 {
 519         MAILBOX_t *mb = &pmb->mb;
 520         dma_addr_t pdma_addr;
 521         uint32_t bar_low, bar_high;
 522         size_t offset;
 523         struct lpfc_hgp hgp;
 524         void __iomem *to_slim;
 525         int i;
 526
 527         memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
 528         mb->mbxCommand = MBX_CONFIG_PORT;
 529         mb->mbxOwner = OWN_HOST;
 530
 531         mb->un.varCfgPort.pcbLen = sizeof(PCB_t);
 532
 533         offset = (uint8_t *)&phba->slim2p->pcb - (uint8_t *)phba->slim2p;
 534         pdma_addr = phba->slim2p_mapping + offset;
 535         mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
 536         mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);
 537
 538         /* Now setup pcb */
 539         phba->slim2p->pcb.type = TYPE_NATIVE_SLI2;
 540         phba->slim2p->pcb.feature = FEATURE_INITIAL_SLI2;
 541
 542         /* Setup Mailbox pointers */
 543         phba->slim2p->pcb.mailBoxSize = sizeof(MAILBOX_t);
 544         offset = (uint8_t *)&phba->slim2p->mbx - (uint8_t *)phba->slim2p;
 545         pdma_addr = phba->slim2p_mapping + offset;
 546         phba->slim2p->pcb.mbAddrHigh = putPaddrHigh(pdma_addr);
 547         phba->slim2p->pcb.mbAddrLow = putPaddrLow(pdma_addr);
 548
 549         /*
 550          * Setup Host Group ring pointer.
 551          *
 552          * For efficiency reasons, the ring get/put pointers can be
 553          * placed in adapter memory (SLIM) rather than in host memory.
 554          * This allows firmware to avoid PCI reads/writes when updating
 555          * and checking pointers.
 556          *
 557          * The firmware recognizes the use of SLIM memory by comparing
 558          * the address of the get/put pointers structure with that of
 559          * the SLIM BAR (BAR0).
 560          *
 561          * Caution: be sure to use the PCI config space value of BAR0/BAR1
 562          * (the hardware's view of the base address), not the OS's
 563          * value of pci_resource_start() as the OS value may be a cookie
 564          * for ioremap/iomap.
 565          */
 566
 567
 568         pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low);
 569         pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high);
 570
 571
 572         /* mask off BAR0's flag bits 0 - 3 */
 573         phba->slim2p->pcb.hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
 574                                         (SLIMOFF*sizeof(uint32_t));
 575         if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
 576                 phba->slim2p->pcb.hgpAddrHigh = bar_high;
 577         else
 578                 phba->slim2p->pcb.hgpAddrHigh = 0;
 579         /* write HGP data to SLIM at the required longword offset */
 580         memset(&hgp, 0, sizeof(struct lpfc_hgp));
 581         to_slim = phba->MBslimaddr + (SLIMOFF*sizeof (uint32_t));
 582
 583         for (i=0; i < phba->sli.num_rings; i++) {
 584                 lpfc_memcpy_to_slim(to_slim, &hgp, sizeof(struct lpfc_hgp));
 585                 to_slim += sizeof (struct lpfc_hgp);
 586         }
 587
 588         /* Setup Port Group ring pointer */
 589         offset = (uint8_t *)&phba->slim2p->mbx.us.s2.port -
 590                  (uint8_t *)phba->slim2p;
 591         pdma_addr = phba->slim2p_mapping + offset;
 592         phba->slim2p->pcb.pgpAddrHigh = putPaddrHigh(pdma_addr);
 593         phba->slim2p->pcb.pgpAddrLow = putPaddrLow(pdma_addr);
 594
 595         /* Use callback routine to setp rings in the pcb */
 596         lpfc_config_pcb_setup(phba);
 597
 598         /* special handling for LC HBAs */
 599         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
 600                 uint32_t hbainit[5];
 601
 602                 lpfc_hba_init(phba, hbainit);
 603
 604                 memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20);
 605         }
 606
 607         /* Swap PCB if needed */
 608         lpfc_sli_pcimem_bcopy(&phba->slim2p->pcb, &phba->slim2p->pcb,
 609                                                                 sizeof (PCB_t));
 610
 611         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 612                         "%d:0405 Service Level Interface (SLI) 2 selected\n",
 613                         phba->brd_no);
 614 }
 615
 616 void
 617 lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 618 {
 619         MAILBOX_t *mb = &pmb->mb;
 620
 621         memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
 622         mb->mbxCommand = MBX_KILL_BOARD;
 623         mb->mbxOwner = OWN_HOST;
 624         return;
 625 }
 626
 627 void
 628 lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
 629 {
 630         struct lpfc_sli *psli;
 631
 632         psli = &phba->sli;
 633
 634         list_add_tail(&mbq->list, &psli->mboxq);
 635
 636         psli->mboxq_cnt++;
 637
 638         return;
 639 }
 640
 641 LPFC_MBOXQ_t *
 642 lpfc_mbox_get(struct lpfc_hba * phba)
 643 {
 644         LPFC_MBOXQ_t *mbq = NULL;
 645         struct lpfc_sli *psli = &phba->sli;
 646
 647         list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t,
 648                          list);
 649         if (mbq) {
 650                 psli->mboxq_cnt--;
 651         }
 652
 653         return mbq;
 654 }
 655
 656 int
 657 lpfc_mbox_tmo_val(struct lpfc_hba *phba, int cmd)
 658 {
 659         switch (cmd) {
 660         case MBX_WRITE_NV:      /* 0x03 */
 661         case MBX_UPDATE_CFG:    /* 0x1B */
 662         case MBX_DOWN_LOAD:     /* 0x1C */
 663         case MBX_DEL_LD_ENTRY:  /* 0x1D */
 664         case MBX_LOAD_AREA:     /* 0x81 */
 665         case MBX_FLASH_WR_ULA:  /* 0x98 */
 666         case MBX_LOAD_EXP_ROM:  /* 0x9C */
 667                 return LPFC_MBOX_TMO_FLASH_CMD;
 668         }
 669         return LPFC_MBOX_TMO;
 670 }