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) 2004-2005 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         }
 199
 200         /* NEW_FEATURE
 201          * Setting up the link speed
 202          */
 203         vpd = &phba->vpd;
 204         if (vpd->rev.feaLevelHigh >= 0x02){
 205                 switch(linkspeed){
 206                         case LINK_SPEED_1G:
 207                         case LINK_SPEED_2G:
 208                         case LINK_SPEED_4G:
 209                                 mb->un.varInitLnk.link_flags |=
 210                                                         FLAGS_LINK_SPEED;
 211                                 mb->un.varInitLnk.link_speed = linkspeed;
 212                         break;
 213                         case LINK_SPEED_AUTO:
 214                         default:
 215                                 mb->un.varInitLnk.link_speed =
 216                                                         LINK_SPEED_AUTO;
 217                         break;
 218                 }
 219
 220         }
 221         else
 222                 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
 223
 224         mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK;
 225         mb->mbxOwner = OWN_HOST;
 226         mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA;
 227         return;
 228 }
 229
 230 /**********************************************/
 231 /*  lpfc_read_sparam  Issue a READ SPARAM     */
 232 /*                    mailbox command         */
 233 /**********************************************/
 234 int
 235 lpfc_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 236 {
 237         struct lpfc_dmabuf *mp;
 238         MAILBOX_t *mb;
 239         struct lpfc_sli *psli;
 240
 241         psli = &phba->sli;
 242         mb = &pmb->mb;
 243         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 244
 245         mb->mbxOwner = OWN_HOST;
 246
 247         /* Get a buffer to hold the HBAs Service Parameters */
 248
 249         if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) ||
 250             ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
 251                 kfree(mp);
 252                 mb->mbxCommand = MBX_READ_SPARM64;
 253                 /* READ_SPARAM: no buffers */
 254                 lpfc_printf_log(phba,
 255                                 KERN_WARNING,
 256                                 LOG_MBOX,
 257                                 "%d:0301 READ_SPARAM: no buffers\n",
 258                                 phba->brd_no);
 259                 return (1);
 260         }
 261         INIT_LIST_HEAD(&mp->list);
 262         mb->mbxCommand = MBX_READ_SPARM64;
 263         mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
 264         mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys);
 265         mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys);
 266
 267         /* save address for completion */
 268         pmb->context1 = mp;
 269
 270         return (0);
 271 }
 272
 273 /********************************************/
 274 /*  lpfc_unreg_did  Issue a UNREG_DID       */
 275 /*                  mailbox command         */
 276 /********************************************/
 277 void
 278 lpfc_unreg_did(struct lpfc_hba * phba, uint32_t did, LPFC_MBOXQ_t * pmb)
 279 {
 280         MAILBOX_t *mb;
 281
 282         mb = &pmb->mb;
 283         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 284
 285         mb->un.varUnregDID.did = did;
 286
 287         mb->mbxCommand = MBX_UNREG_D_ID;
 288         mb->mbxOwner = OWN_HOST;
 289         return;
 290 }
 291
 292 /***********************************************/
 293
 294 /*                  command to write slim      */
 295 /***********************************************/
 296 void
 297 lpfc_set_slim(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint32_t addr,
 298               uint32_t value)
 299 {
 300         MAILBOX_t *mb;
 301
 302         mb = &pmb->mb;
 303         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 304
 305         /* addr = 0x090597 is AUTO ABTS disable for ELS commands */
 306         /* addr = 0x052198 is DELAYED ABTS enable for ELS commands */
 307
 308         /*
 309          * Always turn on DELAYED ABTS for ELS timeouts
 310          */
 311         if ((addr == 0x052198) && (value == 0))
 312                 value = 1;
 313
 314         mb->un.varWords[0] = addr;
 315         mb->un.varWords[1] = value;
 316
 317         mb->mbxCommand = MBX_SET_SLIM;
 318         mb->mbxOwner = OWN_HOST;
 319         return;
 320 }
 321
 322 /**********************************************/
 323 /*  lpfc_read_nv  Issue a READ CONFIG         */
 324 /*                mailbox command             */
 325 /**********************************************/
 326 void
 327 lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 328 {
 329         MAILBOX_t *mb;
 330
 331         mb = &pmb->mb;
 332         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 333
 334         mb->mbxCommand = MBX_READ_CONFIG;
 335         mb->mbxOwner = OWN_HOST;
 336         return;
 337 }
 338
 339 /*************************************************/
 340 /*  lpfc_read_lnk_stat  Issue a READ LINK STATUS */
 341 /*                mailbox command                */
 342 /*************************************************/
 343 void
 344 lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 345 {
 346         MAILBOX_t *mb;
 347
 348         mb = &pmb->mb;
 349         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 350
 351         mb->mbxCommand = MBX_READ_LNK_STAT;
 352         mb->mbxOwner = OWN_HOST;
 353         return;
 354 }
 355
 356 /********************************************/
 357 /*  lpfc_reg_login  Issue a REG_LOGIN       */
 358 /*                  mailbox command         */
 359 /********************************************/
 360 int
 361 lpfc_reg_login(struct lpfc_hba * phba,
 362                uint32_t did, uint8_t * param, LPFC_MBOXQ_t * pmb, uint32_t flag)
 363 {
 364         uint8_t *sparam;
 365         struct lpfc_dmabuf *mp;
 366         MAILBOX_t *mb;
 367         struct lpfc_sli *psli;
 368
 369         psli = &phba->sli;
 370         mb = &pmb->mb;
 371         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 372
 373         mb->un.varRegLogin.rpi = 0;
 374         mb->un.varRegLogin.did = did;
 375         mb->un.varWords[30] = flag;     /* Set flag to issue action on cmpl */
 376
 377         mb->mbxOwner = OWN_HOST;
 378
 379         /* Get a buffer to hold NPorts Service Parameters */
 380         if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == NULL) ||
 381             ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
 382                 kfree(mp);
 383                 mb->mbxCommand = MBX_REG_LOGIN64;
 384                 /* REG_LOGIN: no buffers */
 385                 lpfc_printf_log(phba,
 386                                KERN_WARNING,
 387                                LOG_MBOX,
 388                                "%d:0302 REG_LOGIN: no buffers Data x%x x%x\n",
 389                                phba->brd_no,
 390                                (uint32_t) did, (uint32_t) flag);
 391                 return (1);
 392         }
 393         INIT_LIST_HEAD(&mp->list);
 394         sparam = mp->virt;
 395
 396         /* Copy param's into a new buffer */
 397         memcpy(sparam, param, sizeof (struct serv_parm));
 398
 399         /* save address for completion */
 400         pmb->context1 = (uint8_t *) mp;
 401
 402         mb->mbxCommand = MBX_REG_LOGIN64;
 403         mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
 404         mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys);
 405         mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys);
 406
 407         return (0);
 408 }
 409
 410 /**********************************************/
 411 /*  lpfc_unreg_login  Issue a UNREG_LOGIN     */
 412 /*                    mailbox command         */
 413 /**********************************************/
 414 void
 415 lpfc_unreg_login(struct lpfc_hba * phba, uint32_t rpi, LPFC_MBOXQ_t * pmb)
 416 {
 417         MAILBOX_t *mb;
 418
 419         mb = &pmb->mb;
 420         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 421
 422         mb->un.varUnregLogin.rpi = (uint16_t) rpi;
 423         mb->un.varUnregLogin.rsvd1 = 0;
 424
 425         mb->mbxCommand = MBX_UNREG_LOGIN;
 426         mb->mbxOwner = OWN_HOST;
 427         return;
 428 }
 429
 430 static void
 431 lpfc_config_pcb_setup(struct lpfc_hba * phba)
 432 {
 433         struct lpfc_sli *psli = &phba->sli;
 434         struct lpfc_sli_ring *pring;
 435         PCB_t *pcbp = &phba->slim2p->pcb;
 436         dma_addr_t pdma_addr;
 437         uint32_t offset;
 438         uint32_t iocbCnt;
 439         int i;
 440
 441         pcbp->maxRing = (psli->num_rings - 1);
 442
 443         iocbCnt = 0;
 444         for (i = 0; i < psli->num_rings; i++) {
 445                 pring = &psli->ring[i];
 446                 /* A ring MUST have both cmd and rsp entries defined to be
 447                    valid */
 448                 if ((pring->numCiocb == 0) || (pring->numRiocb == 0)) {
 449                         pcbp->rdsc[i].cmdEntries = 0;
 450                         pcbp->rdsc[i].rspEntries = 0;
 451                         pcbp->rdsc[i].cmdAddrHigh = 0;
 452                         pcbp->rdsc[i].rspAddrHigh = 0;
 453                         pcbp->rdsc[i].cmdAddrLow = 0;
 454                         pcbp->rdsc[i].rspAddrLow = 0;
 455                         pring->cmdringaddr = NULL;
 456                         pring->rspringaddr = NULL;
 457                         continue;
 458                 }
 459                 /* Command ring setup for ring */
 460                 pring->cmdringaddr =
 461                     (void *)&phba->slim2p->IOCBs[iocbCnt];
 462                 pcbp->rdsc[i].cmdEntries = pring->numCiocb;
 463
 464                 offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] -
 465                          (uint8_t *)phba->slim2p;
 466                 pdma_addr = phba->slim2p_mapping + offset;
 467                 pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr);
 468                 pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr);
 469                 iocbCnt += pring->numCiocb;
 470
 471                 /* Response ring setup for ring */
 472                 pring->rspringaddr =
 473                     (void *)&phba->slim2p->IOCBs[iocbCnt];
 474
 475                 pcbp->rdsc[i].rspEntries = pring->numRiocb;
 476                 offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] -
 477                          (uint8_t *)phba->slim2p;
 478                 pdma_addr = phba->slim2p_mapping + offset;
 479                 pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr);
 480                 pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr);
 481                 iocbCnt += pring->numRiocb;
 482         }
 483 }
 484
 485 void
 486 lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 487 {
 488         MAILBOX_t *mb;
 489
 490         mb = &pmb->mb;
 491         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 492         mb->un.varRdRev.cv = 1;
 493         mb->mbxCommand = MBX_READ_REV;
 494         mb->mbxOwner = OWN_HOST;
 495         return;
 496 }
 497
 498 void
 499 lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
 500 {
 501         int i;
 502         MAILBOX_t *mb = &pmb->mb;
 503         struct lpfc_sli *psli;
 504         struct lpfc_sli_ring *pring;
 505
 506         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 507
 508         mb->un.varCfgRing.ring = ring;
 509         mb->un.varCfgRing.maxOrigXchg = 0;
 510         mb->un.varCfgRing.maxRespXchg = 0;
 511         mb->un.varCfgRing.recvNotify = 1;
 512
 513         psli = &phba->sli;
 514         pring = &psli->ring[ring];
 515         mb->un.varCfgRing.numMask = pring->num_mask;
 516         mb->mbxCommand = MBX_CONFIG_RING;
 517         mb->mbxOwner = OWN_HOST;
 518
 519         /* Is this ring configured for a specific profile */
 520         if (pring->prt[0].profile) {
 521                 mb->un.varCfgRing.profile = pring->prt[0].profile;
 522                 return;
 523         }
 524
 525         /* Otherwise we setup specific rctl / type masks for this ring */
 526         for (i = 0; i < pring->num_mask; i++) {
 527                 mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl;
 528                 if (mb->un.varCfgRing.rrRegs[i].rval != FC_ELS_REQ)
 529                         mb->un.varCfgRing.rrRegs[i].rmask = 0xff;
 530                 else
 531                         mb->un.varCfgRing.rrRegs[i].rmask = 0xfe;
 532                 mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type;
 533                 mb->un.varCfgRing.rrRegs[i].tmask = 0xff;
 534         }
 535
 536         return;
 537 }
 538
 539 void
 540 lpfc_config_port(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 541 {
 542         MAILBOX_t *mb = &pmb->mb;
 543         dma_addr_t pdma_addr;
 544         uint32_t bar_low, bar_high;
 545         size_t offset;
 546         struct lpfc_hgp hgp;
 547         void __iomem *to_slim;
 548         int i;
 549
 550         memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
 551         mb->mbxCommand = MBX_CONFIG_PORT;
 552         mb->mbxOwner = OWN_HOST;
 553
 554         mb->un.varCfgPort.pcbLen = sizeof(PCB_t);
 555
 556         offset = (uint8_t *)&phba->slim2p->pcb - (uint8_t *)phba->slim2p;
 557         pdma_addr = phba->slim2p_mapping + offset;
 558         mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
 559         mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);
 560
 561         /* Now setup pcb */
 562         phba->slim2p->pcb.type = TYPE_NATIVE_SLI2;
 563         phba->slim2p->pcb.feature = FEATURE_INITIAL_SLI2;
 564
 565         /* Setup Mailbox pointers */
 566         phba->slim2p->pcb.mailBoxSize = sizeof(MAILBOX_t);
 567         offset = (uint8_t *)&phba->slim2p->mbx - (uint8_t *)phba->slim2p;
 568         pdma_addr = phba->slim2p_mapping + offset;
 569         phba->slim2p->pcb.mbAddrHigh = putPaddrHigh(pdma_addr);
 570         phba->slim2p->pcb.mbAddrLow = putPaddrLow(pdma_addr);
 571
 572         /*
 573          * Setup Host Group ring pointer.
 574          *
 575          * For efficiency reasons, the ring get/put pointers can be
 576          * placed in adapter memory (SLIM) rather than in host memory.
 577          * This allows firmware to avoid PCI reads/writes when updating
 578          * and checking pointers.
 579          *
 580          * The firmware recognizes the use of SLIM memory by comparing
 581          * the address of the get/put pointers structure with that of
 582          * the SLIM BAR (BAR0).
 583          *
 584          * Caution: be sure to use the PCI config space value of BAR0/BAR1
 585          * (the hardware's view of the base address), not the OS's
 586          * value of pci_resource_start() as the OS value may be a cookie
 587          * for ioremap/iomap.
 588          */
 589
 590
 591         pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low);
 592         pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high);
 593
 594
 595         /* mask off BAR0's flag bits 0 - 3 */
 596         phba->slim2p->pcb.hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
 597                                         (SLIMOFF*sizeof(uint32_t));
 598         if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
 599                 phba->slim2p->pcb.hgpAddrHigh = bar_high;
 600         else
 601                 phba->slim2p->pcb.hgpAddrHigh = 0;
 602         /* write HGP data to SLIM at the required longword offset */
 603         memset(&hgp, 0, sizeof(struct lpfc_hgp));
 604         to_slim = phba->MBslimaddr + (SLIMOFF*sizeof (uint32_t));
 605
 606         for (i=0; i < phba->sli.num_rings; i++) {
 607                 lpfc_memcpy_to_slim(to_slim, &hgp, sizeof(struct lpfc_hgp));
 608                 to_slim += sizeof (struct lpfc_hgp);
 609         }
 610
 611         /* Setup Port Group ring pointer */
 612         offset = (uint8_t *)&phba->slim2p->mbx.us.s2.port -
 613                  (uint8_t *)phba->slim2p;
 614         pdma_addr = phba->slim2p_mapping + offset;
 615         phba->slim2p->pcb.pgpAddrHigh = putPaddrHigh(pdma_addr);
 616         phba->slim2p->pcb.pgpAddrLow = putPaddrLow(pdma_addr);
 617
 618         /* Use callback routine to setp rings in the pcb */
 619         lpfc_config_pcb_setup(phba);
 620
 621         /* special handling for LC HBAs */
 622         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
 623                 uint32_t hbainit[5];
 624
 625                 lpfc_hba_init(phba, hbainit);
 626
 627                 memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20);
 628         }
 629
 630         /* Swap PCB if needed */
 631         lpfc_sli_pcimem_bcopy(&phba->slim2p->pcb, &phba->slim2p->pcb,
 632                                                                 sizeof (PCB_t));
 633
 634         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 635                         "%d:0405 Service Level Interface (SLI) 2 selected\n",
 636                         phba->brd_no);
 637 }
 638
 639 void
 640 lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
 641 {
 642         struct lpfc_sli *psli;
 643
 644         psli = &phba->sli;
 645
 646         list_add_tail(&mbq->list, &psli->mboxq);
 647
 648         psli->mboxq_cnt++;
 649
 650         return;
 651 }
 652
 653 LPFC_MBOXQ_t *
 654 lpfc_mbox_get(struct lpfc_hba * phba)
 655 {
 656         LPFC_MBOXQ_t *mbq = NULL;
 657         struct lpfc_sli *psli = &phba->sli;
 658
 659         list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t,
 660                          list);
 661         if (mbq) {
 662                 psli->mboxq_cnt--;
 663         }
 664
 665         return mbq;
 666 }