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) 2004-2006 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         /* NEW_FEATURE
 204          * Setting up the link speed
 205          */
 206         vpd = &phba->vpd;
 207         if (vpd->rev.feaLevelHigh >= 0x02){
 208                 switch(linkspeed){
 209                         case LINK_SPEED_1G:
 210                         case LINK_SPEED_2G:
 211                         case LINK_SPEED_4G:
 212                                 mb->un.varInitLnk.link_flags |=
 213                                                         FLAGS_LINK_SPEED;
 214                                 mb->un.varInitLnk.link_speed = linkspeed;
 215                         break;
 216                         case LINK_SPEED_AUTO:
 217                         default:
 218                                 mb->un.varInitLnk.link_speed =
 219                                                         LINK_SPEED_AUTO;
 220                         break;
 221                 }
 222
 223         }
 224         else
 225                 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
 226
 227         mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK;
 228         mb->mbxOwner = OWN_HOST;
 229         mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA;
 230         return;
 231 }
 232
 233 /**********************************************/
 234 /*  lpfc_read_sparam  Issue a READ SPARAM     */
 235 /*                    mailbox command         */
 236 /**********************************************/
 237 int
 238 lpfc_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 239 {
 240         struct lpfc_dmabuf *mp;
 241         MAILBOX_t *mb;
 242         struct lpfc_sli *psli;
 243
 244         psli = &phba->sli;
 245         mb = &pmb->mb;
 246         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 247
 248         mb->mbxOwner = OWN_HOST;
 249
 250         /* Get a buffer to hold the HBAs Service Parameters */
 251
 252         if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) ||
 253             ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
 254                 kfree(mp);
 255                 mb->mbxCommand = MBX_READ_SPARM64;
 256                 /* READ_SPARAM: no buffers */
 257                 lpfc_printf_log(phba,
 258                                 KERN_WARNING,
 259                                 LOG_MBOX,
 260                                 "%d:0301 READ_SPARAM: no buffers\n",
 261                                 phba->brd_no);
 262                 return (1);
 263         }
 264         INIT_LIST_HEAD(&mp->list);
 265         mb->mbxCommand = MBX_READ_SPARM64;
 266         mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
 267         mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys);
 268         mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys);
 269
 270         /* save address for completion */
 271         pmb->context1 = mp;
 272
 273         return (0);
 274 }
 275
 276 /********************************************/
 277 /*  lpfc_unreg_did  Issue a UNREG_DID       */
 278 /*                  mailbox command         */
 279 /********************************************/
 280 void
 281 lpfc_unreg_did(struct lpfc_hba * phba, uint32_t did, LPFC_MBOXQ_t * pmb)
 282 {
 283         MAILBOX_t *mb;
 284
 285         mb = &pmb->mb;
 286         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 287
 288         mb->un.varUnregDID.did = did;
 289
 290         mb->mbxCommand = MBX_UNREG_D_ID;
 291         mb->mbxOwner = OWN_HOST;
 292         return;
 293 }
 294
 295 /***********************************************/
 296
 297 /*                  command to write slim      */
 298 /***********************************************/
 299 void
 300 lpfc_set_slim(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint32_t addr,
 301               uint32_t value)
 302 {
 303         MAILBOX_t *mb;
 304
 305         mb = &pmb->mb;
 306         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 307
 308         /* addr = 0x090597 is AUTO ABTS disable for ELS commands */
 309         /* addr = 0x052198 is DELAYED ABTS enable for ELS commands */
 310
 311         /*
 312          * Always turn on DELAYED ABTS for ELS timeouts
 313          */
 314         if ((addr == 0x052198) && (value == 0))
 315                 value = 1;
 316
 317         mb->un.varWords[0] = addr;
 318         mb->un.varWords[1] = value;
 319
 320         mb->mbxCommand = MBX_SET_SLIM;
 321         mb->mbxOwner = OWN_HOST;
 322         return;
 323 }
 324
 325 /**********************************************/
 326 /*  lpfc_read_nv  Issue a READ CONFIG         */
 327 /*                mailbox command             */
 328 /**********************************************/
 329 void
 330 lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 331 {
 332         MAILBOX_t *mb;
 333
 334         mb = &pmb->mb;
 335         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 336
 337         mb->mbxCommand = MBX_READ_CONFIG;
 338         mb->mbxOwner = OWN_HOST;
 339         return;
 340 }
 341
 342 /*************************************************/
 343 /*  lpfc_read_lnk_stat  Issue a READ LINK STATUS */
 344 /*                mailbox command                */
 345 /*************************************************/
 346 void
 347 lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 348 {
 349         MAILBOX_t *mb;
 350
 351         mb = &pmb->mb;
 352         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 353
 354         mb->mbxCommand = MBX_READ_LNK_STAT;
 355         mb->mbxOwner = OWN_HOST;
 356         return;
 357 }
 358
 359 /********************************************/
 360 /*  lpfc_reg_login  Issue a REG_LOGIN       */
 361 /*                  mailbox command         */
 362 /********************************************/
 363 int
 364 lpfc_reg_login(struct lpfc_hba * phba,
 365                uint32_t did, uint8_t * param, LPFC_MBOXQ_t * pmb, uint32_t flag)
 366 {
 367         uint8_t *sparam;
 368         struct lpfc_dmabuf *mp;
 369         MAILBOX_t *mb;
 370         struct lpfc_sli *psli;
 371
 372         psli = &phba->sli;
 373         mb = &pmb->mb;
 374         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 375
 376         mb->un.varRegLogin.rpi = 0;
 377         mb->un.varRegLogin.did = did;
 378         mb->un.varWords[30] = flag;     /* Set flag to issue action on cmpl */
 379
 380         mb->mbxOwner = OWN_HOST;
 381
 382         /* Get a buffer to hold NPorts Service Parameters */
 383         if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == NULL) ||
 384             ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
 385                 kfree(mp);
 386                 mb->mbxCommand = MBX_REG_LOGIN64;
 387                 /* REG_LOGIN: no buffers */
 388                 lpfc_printf_log(phba,
 389                                KERN_WARNING,
 390                                LOG_MBOX,
 391                                "%d:0302 REG_LOGIN: no buffers Data x%x x%x\n",
 392                                phba->brd_no,
 393                                (uint32_t) did, (uint32_t) flag);
 394                 return (1);
 395         }
 396         INIT_LIST_HEAD(&mp->list);
 397         sparam = mp->virt;
 398
 399         /* Copy param's into a new buffer */
 400         memcpy(sparam, param, sizeof (struct serv_parm));
 401
 402         /* save address for completion */
 403         pmb->context1 = (uint8_t *) mp;
 404
 405         mb->mbxCommand = MBX_REG_LOGIN64;
 406         mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
 407         mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys);
 408         mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys);
 409
 410         return (0);
 411 }
 412
 413 /**********************************************/
 414 /*  lpfc_unreg_login  Issue a UNREG_LOGIN     */
 415 /*                    mailbox command         */
 416 /**********************************************/
 417 void
 418 lpfc_unreg_login(struct lpfc_hba * phba, uint32_t rpi, LPFC_MBOXQ_t * pmb)
 419 {
 420         MAILBOX_t *mb;
 421
 422         mb = &pmb->mb;
 423         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 424
 425         mb->un.varUnregLogin.rpi = (uint16_t) rpi;
 426         mb->un.varUnregLogin.rsvd1 = 0;
 427
 428         mb->mbxCommand = MBX_UNREG_LOGIN;
 429         mb->mbxOwner = OWN_HOST;
 430         return;
 431 }
 432
 433 static void
 434 lpfc_config_pcb_setup(struct lpfc_hba * phba)
 435 {
 436         struct lpfc_sli *psli = &phba->sli;
 437         struct lpfc_sli_ring *pring;
 438         PCB_t *pcbp = &phba->slim2p->pcb;
 439         dma_addr_t pdma_addr;
 440         uint32_t offset;
 441         uint32_t iocbCnt;
 442         int i;
 443
 444         pcbp->maxRing = (psli->num_rings - 1);
 445
 446         iocbCnt = 0;
 447         for (i = 0; i < psli->num_rings; i++) {
 448                 pring = &psli->ring[i];
 449                 /* A ring MUST have both cmd and rsp entries defined to be
 450                    valid */
 451                 if ((pring->numCiocb == 0) || (pring->numRiocb == 0)) {
 452                         pcbp->rdsc[i].cmdEntries = 0;
 453                         pcbp->rdsc[i].rspEntries = 0;
 454                         pcbp->rdsc[i].cmdAddrHigh = 0;
 455                         pcbp->rdsc[i].rspAddrHigh = 0;
 456                         pcbp->rdsc[i].cmdAddrLow = 0;
 457                         pcbp->rdsc[i].rspAddrLow = 0;
 458                         pring->cmdringaddr = NULL;
 459                         pring->rspringaddr = NULL;
 460                         continue;
 461                 }
 462                 /* Command ring setup for ring */
 463                 pring->cmdringaddr =
 464                     (void *)&phba->slim2p->IOCBs[iocbCnt];
 465                 pcbp->rdsc[i].cmdEntries = pring->numCiocb;
 466
 467                 offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] -
 468                          (uint8_t *)phba->slim2p;
 469                 pdma_addr = phba->slim2p_mapping + offset;
 470                 pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr);
 471                 pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr);
 472                 iocbCnt += pring->numCiocb;
 473
 474                 /* Response ring setup for ring */
 475                 pring->rspringaddr =
 476                     (void *)&phba->slim2p->IOCBs[iocbCnt];
 477
 478                 pcbp->rdsc[i].rspEntries = pring->numRiocb;
 479                 offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] -
 480                          (uint8_t *)phba->slim2p;
 481                 pdma_addr = phba->slim2p_mapping + offset;
 482                 pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr);
 483                 pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr);
 484                 iocbCnt += pring->numRiocb;
 485         }
 486 }
 487
 488 void
 489 lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 490 {
 491         MAILBOX_t *mb;
 492
 493         mb = &pmb->mb;
 494         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 495         mb->un.varRdRev.cv = 1;
 496         mb->mbxCommand = MBX_READ_REV;
 497         mb->mbxOwner = OWN_HOST;
 498         return;
 499 }
 500
 501 void
 502 lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
 503 {
 504         int i;
 505         MAILBOX_t *mb = &pmb->mb;
 506         struct lpfc_sli *psli;
 507         struct lpfc_sli_ring *pring;
 508
 509         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 510
 511         mb->un.varCfgRing.ring = ring;
 512         mb->un.varCfgRing.maxOrigXchg = 0;
 513         mb->un.varCfgRing.maxRespXchg = 0;
 514         mb->un.varCfgRing.recvNotify = 1;
 515
 516         psli = &phba->sli;
 517         pring = &psli->ring[ring];
 518         mb->un.varCfgRing.numMask = pring->num_mask;
 519         mb->mbxCommand = MBX_CONFIG_RING;
 520         mb->mbxOwner = OWN_HOST;
 521
 522         /* Is this ring configured for a specific profile */
 523         if (pring->prt[0].profile) {
 524                 mb->un.varCfgRing.profile = pring->prt[0].profile;
 525                 return;
 526         }
 527
 528         /* Otherwise we setup specific rctl / type masks for this ring */
 529         for (i = 0; i < pring->num_mask; i++) {
 530                 mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl;
 531                 if (mb->un.varCfgRing.rrRegs[i].rval != FC_ELS_REQ)
 532                         mb->un.varCfgRing.rrRegs[i].rmask = 0xff;
 533                 else
 534                         mb->un.varCfgRing.rrRegs[i].rmask = 0xfe;
 535                 mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type;
 536                 mb->un.varCfgRing.rrRegs[i].tmask = 0xff;
 537         }
 538
 539         return;
 540 }
 541
 542 void
 543 lpfc_config_port(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 544 {
 545         MAILBOX_t *mb = &pmb->mb;
 546         dma_addr_t pdma_addr;
 547         uint32_t bar_low, bar_high;
 548         size_t offset;
 549         struct lpfc_hgp hgp;
 550         void __iomem *to_slim;
 551         int i;
 552
 553         memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
 554         mb->mbxCommand = MBX_CONFIG_PORT;
 555         mb->mbxOwner = OWN_HOST;
 556
 557         mb->un.varCfgPort.pcbLen = sizeof(PCB_t);
 558
 559         offset = (uint8_t *)&phba->slim2p->pcb - (uint8_t *)phba->slim2p;
 560         pdma_addr = phba->slim2p_mapping + offset;
 561         mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
 562         mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);
 563
 564         /* Now setup pcb */
 565         phba->slim2p->pcb.type = TYPE_NATIVE_SLI2;
 566         phba->slim2p->pcb.feature = FEATURE_INITIAL_SLI2;
 567
 568         /* Setup Mailbox pointers */
 569         phba->slim2p->pcb.mailBoxSize = sizeof(MAILBOX_t);
 570         offset = (uint8_t *)&phba->slim2p->mbx - (uint8_t *)phba->slim2p;
 571         pdma_addr = phba->slim2p_mapping + offset;
 572         phba->slim2p->pcb.mbAddrHigh = putPaddrHigh(pdma_addr);
 573         phba->slim2p->pcb.mbAddrLow = putPaddrLow(pdma_addr);
 574
 575         /*
 576          * Setup Host Group ring pointer.
 577          *
 578          * For efficiency reasons, the ring get/put pointers can be
 579          * placed in adapter memory (SLIM) rather than in host memory.
 580          * This allows firmware to avoid PCI reads/writes when updating
 581          * and checking pointers.
 582          *
 583          * The firmware recognizes the use of SLIM memory by comparing
 584          * the address of the get/put pointers structure with that of
 585          * the SLIM BAR (BAR0).
 586          *
 587          * Caution: be sure to use the PCI config space value of BAR0/BAR1
 588          * (the hardware's view of the base address), not the OS's
 589          * value of pci_resource_start() as the OS value may be a cookie
 590          * for ioremap/iomap.
 591          */
 592
 593
 594         pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low);
 595         pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high);
 596
 597
 598         /* mask off BAR0's flag bits 0 - 3 */
 599         phba->slim2p->pcb.hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
 600                                         (SLIMOFF*sizeof(uint32_t));
 601         if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
 602                 phba->slim2p->pcb.hgpAddrHigh = bar_high;
 603         else
 604                 phba->slim2p->pcb.hgpAddrHigh = 0;
 605         /* write HGP data to SLIM at the required longword offset */
 606         memset(&hgp, 0, sizeof(struct lpfc_hgp));
 607         to_slim = phba->MBslimaddr + (SLIMOFF*sizeof (uint32_t));
 608
 609         for (i=0; i < phba->sli.num_rings; i++) {
 610                 lpfc_memcpy_to_slim(to_slim, &hgp, sizeof(struct lpfc_hgp));
 611                 to_slim += sizeof (struct lpfc_hgp);
 612         }
 613
 614         /* Setup Port Group ring pointer */
 615         offset = (uint8_t *)&phba->slim2p->mbx.us.s2.port -
 616                  (uint8_t *)phba->slim2p;
 617         pdma_addr = phba->slim2p_mapping + offset;
 618         phba->slim2p->pcb.pgpAddrHigh = putPaddrHigh(pdma_addr);
 619         phba->slim2p->pcb.pgpAddrLow = putPaddrLow(pdma_addr);
 620
 621         /* Use callback routine to setp rings in the pcb */
 622         lpfc_config_pcb_setup(phba);
 623
 624         /* special handling for LC HBAs */
 625         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
 626                 uint32_t hbainit[5];
 627
 628                 lpfc_hba_init(phba, hbainit);
 629
 630                 memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20);
 631         }
 632
 633         /* Swap PCB if needed */
 634         lpfc_sli_pcimem_bcopy(&phba->slim2p->pcb, &phba->slim2p->pcb,
 635                                                                 sizeof (PCB_t));
 636
 637         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 638                         "%d:0405 Service Level Interface (SLI) 2 selected\n",
 639                         phba->brd_no);
 640 }
 641
 642 void
 643 lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 644 {
 645         MAILBOX_t *mb = &pmb->mb;
 646
 647         memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
 648         mb->mbxCommand = MBX_KILL_BOARD;
 649         mb->mbxOwner = OWN_HOST;
 650         return;
 651 }
 652
 653 void
 654 lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
 655 {
 656         struct lpfc_sli *psli;
 657
 658         psli = &phba->sli;
 659
 660         list_add_tail(&mbq->list, &psli->mboxq);
 661
 662         psli->mboxq_cnt++;
 663
 664         return;
 665 }
 666
 667 LPFC_MBOXQ_t *
 668 lpfc_mbox_get(struct lpfc_hba * phba)
 669 {
 670         LPFC_MBOXQ_t *mbq = NULL;
 671         struct lpfc_sli *psli = &phba->sli;
 672
 673         list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t,
 674                          list);
 675         if (mbq) {
 676                 psli->mboxq_cnt--;
 677         }
 678
 679         return mbq;
 680 }