drivers/scsi/lpfc/lpfc_init.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/delay.h>
  24 #include <linux/dma-mapping.h>
  25 #include <linux/idr.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/kthread.h>
  28 #include <linux/pci.h>
  29 #include <linux/spinlock.h>
  30
  31 #include <scsi/scsi.h>
  32 #include <scsi/scsi_device.h>
  33 #include <scsi/scsi_host.h>
  34 #include <scsi/scsi_transport_fc.h>
  35
  36 #include "lpfc_hw.h"
  37 #include "lpfc_sli.h"
  38 #include "lpfc_disc.h"
  39 #include "lpfc_scsi.h"
  40 #include "lpfc.h"
  41 #include "lpfc_logmsg.h"
  42 #include "lpfc_crtn.h"
  43 #include "lpfc_version.h"
  44
  45 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
  46 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
  47 static int lpfc_post_rcv_buf(struct lpfc_hba *);
  48
  49 static struct scsi_transport_template *lpfc_transport_template = NULL;
  50 static DEFINE_IDR(lpfc_hba_index);
  51
  52 /************************************************************************/
  53 /*                                                                      */
  54 /*    lpfc_config_port_prep                                             */
  55 /*    This routine will do LPFC initialization prior to the             */
  56 /*    CONFIG_PORT mailbox command. This will be initialized             */
  57 /*    as a SLI layer callback routine.                                  */
  58 /*    This routine returns 0 on success or -ERESTART if it wants        */
  59 /*    the SLI layer to reset the HBA and try again. Any                 */
  60 /*    other return value indicates an error.                            */
  61 /*                                                                      */
  62 /************************************************************************/
  63 int
  64 lpfc_config_port_prep(struct lpfc_hba * phba)
  65 {
  66         lpfc_vpd_t *vp = &phba->vpd;
  67         int i = 0, rc;
  68         LPFC_MBOXQ_t *pmb;
  69         MAILBOX_t *mb;
  70         char *lpfc_vpd_data = NULL;
  71         uint16_t offset = 0;
  72         static char licensed[56] =
  73                     "key unlock for use with gnu public licensed code only\0";
  74
  75         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
  76         if (!pmb) {
  77                 phba->hba_state = LPFC_HBA_ERROR;
  78                 return -ENOMEM;
  79         }
  80
  81         mb = &pmb->mb;
  82         phba->hba_state = LPFC_INIT_MBX_CMDS;
  83
  84         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
  85                 uint32_t *ptext = (uint32_t *) licensed;
  86
  87                 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
  88                         *ptext = cpu_to_be32(*ptext);
  89
  90                 lpfc_read_nv(phba, pmb);
  91                 memset((char*)mb->un.varRDnvp.rsvd3, 0,
  92                         sizeof (mb->un.varRDnvp.rsvd3));
  93                 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
  94                          sizeof (licensed));
  95
  96                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
  97
  98                 if (rc != MBX_SUCCESS) {
  99                         lpfc_printf_log(phba,
 100                                         KERN_ERR,
 101                                         LOG_MBOX,
 102                                         "%d:0324 Config Port initialization "
 103                                         "error, mbxCmd x%x READ_NVPARM, "
 104                                         "mbxStatus x%x\n",
 105                                         phba->brd_no,
 106                                         mb->mbxCommand, mb->mbxStatus);
 107                         mempool_free(pmb, phba->mbox_mem_pool);
 108                         return -ERESTART;
 109                 }
 110                 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
 111                        sizeof (mb->un.varRDnvp.nodename));
 112         }
 113
 114         /* Setup and issue mailbox READ REV command */
 115         lpfc_read_rev(phba, pmb);
 116         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 117         if (rc != MBX_SUCCESS) {
 118                 lpfc_printf_log(phba,
 119                                 KERN_ERR,
 120                                 LOG_INIT,
 121                                 "%d:0439 Adapter failed to init, mbxCmd x%x "
 122                                 "READ_REV, mbxStatus x%x\n",
 123                                 phba->brd_no,
 124                                 mb->mbxCommand, mb->mbxStatus);
 125                 mempool_free( pmb, phba->mbox_mem_pool);
 126                 return -ERESTART;
 127         }
 128
 129         /*
 130          * The value of rr must be 1 since the driver set the cv field to 1.
 131          * This setting requires the FW to set all revision fields.
 132          */
 133         if (mb->un.varRdRev.rr == 0) {
 134                 vp->rev.rBit = 0;
 135                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 136                                 "%d:0440 Adapter failed to init, READ_REV has "
 137                                 "missing revision information.\n",
 138                                 phba->brd_no);
 139                 mempool_free(pmb, phba->mbox_mem_pool);
 140                 return -ERESTART;
 141         }
 142
 143         /* Save information as VPD data */
 144         vp->rev.rBit = 1;
 145         vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
 146         memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
 147         vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
 148         memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
 149         vp->rev.biuRev = mb->un.varRdRev.biuRev;
 150         vp->rev.smRev = mb->un.varRdRev.smRev;
 151         vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
 152         vp->rev.endecRev = mb->un.varRdRev.endecRev;
 153         vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
 154         vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
 155         vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
 156         vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
 157         vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
 158         vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
 159
 160         if (lpfc_is_LC_HBA(phba->pcidev->device))
 161                 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
 162                                                 sizeof (phba->RandomData));
 163
 164         /* Get adapter VPD information */
 165         pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
 166         if (!pmb->context2)
 167                 goto out_free_mbox;
 168         lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
 169         if (!lpfc_vpd_data)
 170                 goto out_free_context2;
 171
 172         do {
 173                 lpfc_dump_mem(phba, pmb, offset);
 174                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 175
 176                 if (rc != MBX_SUCCESS) {
 177                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 178                                         "%d:0441 VPD not present on adapter, "
 179                                         "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
 180                                         phba->brd_no,
 181                                         mb->mbxCommand, mb->mbxStatus);
 182                         mb->un.varDmp.word_cnt = 0;
 183                 }
 184                 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
 185                         mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
 186                 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
 187                                                         mb->un.varDmp.word_cnt);
 188                 offset += mb->un.varDmp.word_cnt;
 189         } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
 190         lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
 191
 192         kfree(lpfc_vpd_data);
 193 out_free_context2:
 194         kfree(pmb->context2);
 195 out_free_mbox:
 196         mempool_free(pmb, phba->mbox_mem_pool);
 197         return 0;
 198 }
 199
 200 /************************************************************************/
 201 /*                                                                      */
 202 /*    lpfc_config_port_post                                             */
 203 /*    This routine will do LPFC initialization after the                */
 204 /*    CONFIG_PORT mailbox command. This will be initialized             */
 205 /*    as a SLI layer callback routine.                                  */
 206 /*    This routine returns 0 on success. Any other return value         */
 207 /*    indicates an error.                                               */
 208 /*                                                                      */
 209 /************************************************************************/
 210 int
 211 lpfc_config_port_post(struct lpfc_hba * phba)
 212 {
 213         LPFC_MBOXQ_t *pmb;
 214         MAILBOX_t *mb;
 215         struct lpfc_dmabuf *mp;
 216         struct lpfc_sli *psli = &phba->sli;
 217         uint32_t status, timeout;
 218         int i, j, rc;
 219
 220         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 221         if (!pmb) {
 222                 phba->hba_state = LPFC_HBA_ERROR;
 223                 return -ENOMEM;
 224         }
 225         mb = &pmb->mb;
 226
 227         lpfc_config_link(phba, pmb);
 228         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 229         if (rc != MBX_SUCCESS) {
 230                 lpfc_printf_log(phba,
 231                                 KERN_ERR,
 232                                 LOG_INIT,
 233                                 "%d:0447 Adapter failed init, mbxCmd x%x "
 234                                 "CONFIG_LINK mbxStatus x%x\n",
 235                                 phba->brd_no,
 236                                 mb->mbxCommand, mb->mbxStatus);
 237                 phba->hba_state = LPFC_HBA_ERROR;
 238                 mempool_free( pmb, phba->mbox_mem_pool);
 239                 return -EIO;
 240         }
 241
 242         /* Get login parameters for NID.  */
 243         lpfc_read_sparam(phba, pmb);
 244         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 245                 lpfc_printf_log(phba,
 246                                 KERN_ERR,
 247                                 LOG_INIT,
 248                                 "%d:0448 Adapter failed init, mbxCmd x%x "
 249                                 "READ_SPARM mbxStatus x%x\n",
 250                                 phba->brd_no,
 251                                 mb->mbxCommand, mb->mbxStatus);
 252                 phba->hba_state = LPFC_HBA_ERROR;
 253                 mp = (struct lpfc_dmabuf *) pmb->context1;
 254                 mempool_free( pmb, phba->mbox_mem_pool);
 255                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 256                 kfree(mp);
 257                 return -EIO;
 258         }
 259
 260         mp = (struct lpfc_dmabuf *) pmb->context1;
 261
 262         memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
 263         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 264         kfree(mp);
 265         pmb->context1 = NULL;
 266
 267         memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
 268                sizeof (struct lpfc_name));
 269         memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
 270                sizeof (struct lpfc_name));
 271         /* If no serial number in VPD data, use low 6 bytes of WWNN */
 272         /* This should be consolidated into parse_vpd ? - mr */
 273         if (phba->SerialNumber[0] == 0) {
 274                 uint8_t *outptr;
 275
 276                 outptr = &phba->fc_nodename.u.s.IEEE[0];
 277                 for (i = 0; i < 12; i++) {
 278                         status = *outptr++;
 279                         j = ((status & 0xf0) >> 4);
 280                         if (j <= 9)
 281                                 phba->SerialNumber[i] =
 282                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 283                         else
 284                                 phba->SerialNumber[i] =
 285                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 286                         i++;
 287                         j = (status & 0xf);
 288                         if (j <= 9)
 289                                 phba->SerialNumber[i] =
 290                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 291                         else
 292                                 phba->SerialNumber[i] =
 293                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 294                 }
 295         }
 296
 297         /* This should turn on DELAYED ABTS for ELS timeouts */
 298         lpfc_set_slim(phba, pmb, 0x052198, 0x1);
 299         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 300                 phba->hba_state = LPFC_HBA_ERROR;
 301                 mempool_free( pmb, phba->mbox_mem_pool);
 302                 return -EIO;
 303         }
 304
 305
 306         lpfc_read_config(phba, pmb);
 307         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 308                 lpfc_printf_log(phba,
 309                                 KERN_ERR,
 310                                 LOG_INIT,
 311                                 "%d:0453 Adapter failed to init, mbxCmd x%x "
 312                                 "READ_CONFIG, mbxStatus x%x\n",
 313                                 phba->brd_no,
 314                                 mb->mbxCommand, mb->mbxStatus);
 315                 phba->hba_state = LPFC_HBA_ERROR;
 316                 mempool_free( pmb, phba->mbox_mem_pool);
 317                 return -EIO;
 318         }
 319
 320         /* Reset the DFT_HBA_Q_DEPTH to the max xri  */
 321         if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
 322                 phba->cfg_hba_queue_depth =
 323                         mb->un.varRdConfig.max_xri + 1;
 324
 325         phba->lmt = mb->un.varRdConfig.lmt;
 326
 327         /* Get the default values for Model Name and Description */
 328         lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
 329
 330         if ((phba->cfg_link_speed > LINK_SPEED_10G)
 331             || ((phba->cfg_link_speed == LINK_SPEED_1G)
 332                 && !(phba->lmt & LMT_1Gb))
 333             || ((phba->cfg_link_speed == LINK_SPEED_2G)
 334                 && !(phba->lmt & LMT_2Gb))
 335             || ((phba->cfg_link_speed == LINK_SPEED_4G)
 336                 && !(phba->lmt & LMT_4Gb))
 337             || ((phba->cfg_link_speed == LINK_SPEED_8G)
 338                 && !(phba->lmt & LMT_8Gb))
 339             || ((phba->cfg_link_speed == LINK_SPEED_10G)
 340                 && !(phba->lmt & LMT_10Gb))) {
 341                 /* Reset link speed to auto */
 342                 lpfc_printf_log(phba,
 343                         KERN_WARNING,
 344                         LOG_LINK_EVENT,
 345                         "%d:1302 Invalid speed for this board: "
 346                         "Reset link speed to auto: x%x\n",
 347                         phba->brd_no,
 348                         phba->cfg_link_speed);
 349                         phba->cfg_link_speed = LINK_SPEED_AUTO;
 350         }
 351
 352         phba->hba_state = LPFC_LINK_DOWN;
 353
 354         /* Only process IOCBs on ring 0 till hba_state is READY */
 355         if (psli->ring[psli->ip_ring].cmdringaddr)
 356                 psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT;
 357         if (psli->ring[psli->fcp_ring].cmdringaddr)
 358                 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
 359         if (psli->ring[psli->next_ring].cmdringaddr)
 360                 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
 361
 362         /* Post receive buffers for desired rings */
 363         lpfc_post_rcv_buf(phba);
 364
 365         /* Enable appropriate host interrupts */
 366         spin_lock_irq(phba->host->host_lock);
 367         status = readl(phba->HCregaddr);
 368         status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
 369         if (psli->num_rings > 0)
 370                 status |= HC_R0INT_ENA;
 371         if (psli->num_rings > 1)
 372                 status |= HC_R1INT_ENA;
 373         if (psli->num_rings > 2)
 374                 status |= HC_R2INT_ENA;
 375         if (psli->num_rings > 3)
 376                 status |= HC_R3INT_ENA;
 377
 378         if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
 379             (phba->cfg_poll & DISABLE_FCP_RING_INT))
 380                 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
 381
 382         writel(status, phba->HCregaddr);
 383         readl(phba->HCregaddr); /* flush */
 384         spin_unlock_irq(phba->host->host_lock);
 385
 386         /*
 387          * Setup the ring 0 (els)  timeout handler
 388          */
 389         timeout = phba->fc_ratov << 1;
 390         phba->els_tmofunc.expires = jiffies + HZ * timeout;
 391         add_timer(&phba->els_tmofunc);
 392
 393         lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
 394         pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 395         if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) {
 396                 lpfc_printf_log(phba,
 397                                 KERN_ERR,
 398                                 LOG_INIT,
 399                                 "%d:0454 Adapter failed to init, mbxCmd x%x "
 400                                 "INIT_LINK, mbxStatus x%x\n",
 401                                 phba->brd_no,
 402                                 mb->mbxCommand, mb->mbxStatus);
 403
 404                 /* Clear all interrupt enable conditions */
 405                 writel(0, phba->HCregaddr);
 406                 readl(phba->HCregaddr); /* flush */
 407                 /* Clear all pending interrupts */
 408                 writel(0xffffffff, phba->HAregaddr);
 409                 readl(phba->HAregaddr); /* flush */
 410
 411                 phba->hba_state = LPFC_HBA_ERROR;
 412                 mempool_free(pmb, phba->mbox_mem_pool);
 413                 return -EIO;
 414         }
 415         /* MBOX buffer will be freed in mbox compl */
 416
 417         i = 0;
 418         while ((phba->hba_state != LPFC_HBA_READY) ||
 419                (phba->num_disc_nodes) || (phba->fc_prli_sent) ||
 420                ((phba->fc_map_cnt == 0) && (i<2)) ||
 421                (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
 422                 /* Check every second for 30 retries. */
 423                 i++;
 424                 if (i > 30) {
 425                         break;
 426                 }
 427                 if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
 428                         /* The link is down.  Set linkdown timeout */
 429                         break;
 430                 }
 431
 432                 /* Delay for 1 second to give discovery time to complete. */
 433                 msleep(1000);
 434
 435         }
 436
 437         /* Since num_disc_nodes keys off of PLOGI, delay a bit to let
 438          * any potential PRLIs to flush thru the SLI sub-system.
 439          */
 440         msleep(50);
 441
 442         return (0);
 443 }
 444
 445 /************************************************************************/
 446 /*                                                                      */
 447 /*    lpfc_hba_down_prep                                                */
 448 /*    This routine will do LPFC uninitialization before the             */
 449 /*    HBA is reset when bringing down the SLI Layer. This will be       */
 450 /*    initialized as a SLI layer callback routine.                      */
 451 /*    This routine returns 0 on success. Any other return value         */
 452 /*    indicates an error.                                               */
 453 /*                                                                      */
 454 /************************************************************************/
 455 int
 456 lpfc_hba_down_prep(struct lpfc_hba * phba)
 457 {
 458         /* Disable interrupts */
 459         writel(0, phba->HCregaddr);
 460         readl(phba->HCregaddr); /* flush */
 461
 462         /* Cleanup potential discovery resources */
 463         lpfc_els_flush_rscn(phba);
 464         lpfc_els_flush_cmd(phba);
 465         lpfc_disc_flush_list(phba);
 466
 467         /* Disable SLI2 since we disabled interrupts */
 468         phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE;
 469         return (0);
 470 }
 471
 472 /************************************************************************/
 473 /*                                                                      */
 474 /*    lpfc_hba_down_post                                                */
 475 /*    This routine will do uninitialization after the HBA is reset      */
 476 /*    when bringing down the SLI Layer.                                 */
 477 /*    This routine returns 0 on success. Any other return value         */
 478 /*    indicates an error.                                               */
 479 /*                                                                      */
 480 /************************************************************************/
 481 int
 482 lpfc_hba_down_post(struct lpfc_hba * phba)
 483 {
 484         struct lpfc_sli *psli = &phba->sli;
 485         struct lpfc_sli_ring *pring;
 486         struct lpfc_dmabuf *mp, *next_mp;
 487         int i;
 488
 489         /* Cleanup preposted buffers on the ELS ring */
 490         pring = &psli->ring[LPFC_ELS_RING];
 491         list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
 492                 list_del(&mp->list);
 493                 pring->postbufq_cnt--;
 494                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 495                 kfree(mp);
 496         }
 497
 498         for (i = 0; i < psli->num_rings; i++) {
 499                 pring = &psli->ring[i];
 500                 lpfc_sli_abort_iocb_ring(phba, pring);
 501         }
 502
 503         return 0;
 504 }
 505
 506 /************************************************************************/
 507 /*                                                                      */
 508 /*    lpfc_handle_eratt                                                 */
 509 /*    This routine will handle processing a Host Attention              */
 510 /*    Error Status event. This will be initialized                      */
 511 /*    as a SLI layer callback routine.                                  */
 512 /*                                                                      */
 513 /************************************************************************/
 514 void
 515 lpfc_handle_eratt(struct lpfc_hba * phba)
 516 {
 517         struct lpfc_sli *psli = &phba->sli;
 518         struct lpfc_sli_ring  *pring;
 519
 520         if (phba->work_hs & HS_FFER6) {
 521                 /* Re-establishing Link */
 522                 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
 523                                 "%d:1301 Re-establishing Link "
 524                                 "Data: x%x x%x x%x\n",
 525                                 phba->brd_no, phba->work_hs,
 526                                 phba->work_status[0], phba->work_status[1]);
 527                 spin_lock_irq(phba->host->host_lock);
 528                 phba->fc_flag |= FC_ESTABLISH_LINK;
 529                 spin_unlock_irq(phba->host->host_lock);
 530
 531                 /*
 532                 * Firmware stops when it triggled erratt with HS_FFER6.
 533                 * That could cause the I/Os dropped by the firmware.
 534                 * Error iocb (I/O) on txcmplq and let the SCSI layer
 535                 * retry it after re-establishing link.
 536                 */
 537                 pring = &psli->ring[psli->fcp_ring];
 538                 lpfc_sli_abort_iocb_ring(phba, pring);
 539
 540
 541                 /*
 542                  * There was a firmware error.  Take the hba offline and then
 543                  * attempt to restart it.
 544                  */
 545                 lpfc_offline(phba);
 546                 lpfc_sli_brdrestart(phba);
 547                 if (lpfc_online(phba) == 0) {   /* Initialize the HBA */
 548                         mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
 549                         return;
 550                 }
 551         } else {
 552                 /* The if clause above forces this code path when the status
 553                  * failure is a value other than FFER6.  Do not call the offline
 554                  *  twice. This is the adapter hardware error path.
 555                  */
 556                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 557                                 "%d:0457 Adapter Hardware Error "
 558                                 "Data: x%x x%x x%x\n",
 559                                 phba->brd_no, phba->work_hs,
 560                                 phba->work_status[0], phba->work_status[1]);
 561
 562                 lpfc_offline(phba);
 563                 phba->hba_state = LPFC_HBA_ERROR;
 564                 lpfc_hba_down_post(phba);
 565         }
 566 }
 567
 568 /************************************************************************/
 569 /*                                                                      */
 570 /*    lpfc_handle_latt                                                  */
 571 /*    This routine will handle processing a Host Attention              */
 572 /*    Link Status event. This will be initialized                       */
 573 /*    as a SLI layer callback routine.                                  */
 574 /*                                                                      */
 575 /************************************************************************/
 576 void
 577 lpfc_handle_latt(struct lpfc_hba * phba)
 578 {
 579         struct lpfc_sli *psli = &phba->sli;
 580         LPFC_MBOXQ_t *pmb;
 581         volatile uint32_t control;
 582         struct lpfc_dmabuf *mp;
 583         int rc = -ENOMEM;
 584
 585         pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 586         if (!pmb)
 587                 goto lpfc_handle_latt_err_exit;
 588
 589         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 590         if (!mp)
 591                 goto lpfc_handle_latt_free_pmb;
 592
 593         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
 594         if (!mp->virt)
 595                 goto lpfc_handle_latt_free_mp;
 596
 597         rc = -EIO;
 598
 599         /* Cleanup any outstanding ELS commands */
 600         lpfc_els_flush_cmd(phba);
 601
 602         psli->slistat.link_event++;
 603         lpfc_read_la(phba, pmb, mp);
 604         pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
 605         rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
 606         if (rc == MBX_NOT_FINISHED)
 607                 goto lpfc_handle_latt_free_mp;
 608
 609         /* Clear Link Attention in HA REG */
 610         spin_lock_irq(phba->host->host_lock);
 611         writel(HA_LATT, phba->HAregaddr);
 612         readl(phba->HAregaddr); /* flush */
 613         spin_unlock_irq(phba->host->host_lock);
 614
 615         return;
 616
 617 lpfc_handle_latt_free_mp:
 618         kfree(mp);
 619 lpfc_handle_latt_free_pmb:
 620         kfree(pmb);
 621 lpfc_handle_latt_err_exit:
 622         /* Enable Link attention interrupts */
 623         spin_lock_irq(phba->host->host_lock);
 624         psli->sli_flag |= LPFC_PROCESS_LA;
 625         control = readl(phba->HCregaddr);
 626         control |= HC_LAINT_ENA;
 627         writel(control, phba->HCregaddr);
 628         readl(phba->HCregaddr); /* flush */
 629
 630         /* Clear Link Attention in HA REG */
 631         writel(HA_LATT, phba->HAregaddr);
 632         readl(phba->HAregaddr); /* flush */
 633         spin_unlock_irq(phba->host->host_lock);
 634         lpfc_linkdown(phba);
 635         phba->hba_state = LPFC_HBA_ERROR;
 636
 637         /* The other case is an error from issue_mbox */
 638         if (rc == -ENOMEM)
 639                 lpfc_printf_log(phba,
 640                                 KERN_WARNING,
 641                                 LOG_MBOX,
 642                                 "%d:0300 READ_LA: no buffers\n",
 643                                 phba->brd_no);
 644
 645         return;
 646 }
 647
 648 /************************************************************************/
 649 /*                                                                      */
 650 /*   lpfc_parse_vpd                                                     */
 651 /*   This routine will parse the VPD data                               */
 652 /*                                                                      */
 653 /************************************************************************/
 654 static int
 655 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd, int len)
 656 {
 657         uint8_t lenlo, lenhi;
 658         uint32_t Length;
 659         int i, j;
 660         int finished = 0;
 661         int index = 0;
 662
 663         if (!vpd)
 664                 return 0;
 665
 666         /* Vital Product */
 667         lpfc_printf_log(phba,
 668                         KERN_INFO,
 669                         LOG_INIT,
 670                         "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
 671                         phba->brd_no,
 672                         (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
 673                         (uint32_t) vpd[3]);
 674         while (!finished && (index < (len - 4))) {
 675                 switch (vpd[index]) {
 676                 case 0x82:
 677                 case 0x91:
 678                         index += 1;
 679                         lenlo = vpd[index];
 680                         index += 1;
 681                         lenhi = vpd[index];
 682                         index += 1;
 683                         i = ((((unsigned short)lenhi) << 8) + lenlo);
 684                         index += i;
 685                         break;
 686                 case 0x90:
 687                         index += 1;
 688                         lenlo = vpd[index];
 689                         index += 1;
 690                         lenhi = vpd[index];
 691                         index += 1;
 692                         Length = ((((unsigned short)lenhi) << 8) + lenlo);
 693                         if (Length > len - index)
 694                                 Length = len - index;
 695                         while (Length > 0) {
 696                         /* Look for Serial Number */
 697                         if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
 698                                 index += 2;
 699                                 i = vpd[index];
 700                                 index += 1;
 701                                 j = 0;
 702                                 Length -= (3+i);
 703                                 while(i--) {
 704                                         phba->SerialNumber[j++] = vpd[index++];
 705                                         if (j == 31)
 706                                                 break;
 707                                 }
 708                                 phba->SerialNumber[j] = 0;
 709                                 continue;
 710                         }
 711                         else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
 712                                 phba->vpd_flag |= VPD_MODEL_DESC;
 713                                 index += 2;
 714                                 i = vpd[index];
 715                                 index += 1;
 716                                 j = 0;
 717                                 Length -= (3+i);
 718                                 while(i--) {
 719                                         phba->ModelDesc[j++] = vpd[index++];
 720                                         if (j == 255)
 721                                                 break;
 722                                 }
 723                                 phba->ModelDesc[j] = 0;
 724                                 continue;
 725                         }
 726                         else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
 727                                 phba->vpd_flag |= VPD_MODEL_NAME;
 728                                 index += 2;
 729                                 i = vpd[index];
 730                                 index += 1;
 731                                 j = 0;
 732                                 Length -= (3+i);
 733                                 while(i--) {
 734                                         phba->ModelName[j++] = vpd[index++];
 735                                         if (j == 79)
 736                                                 break;
 737                                 }
 738                                 phba->ModelName[j] = 0;
 739                                 continue;
 740                         }
 741                         else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
 742                                 phba->vpd_flag |= VPD_PROGRAM_TYPE;
 743                                 index += 2;
 744                                 i = vpd[index];
 745                                 index += 1;
 746                                 j = 0;
 747                                 Length -= (3+i);
 748                                 while(i--) {
 749                                         phba->ProgramType[j++] = vpd[index++];
 750                                         if (j == 255)
 751                                                 break;
 752                                 }
 753                                 phba->ProgramType[j] = 0;
 754                                 continue;
 755                         }
 756                         else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
 757                                 phba->vpd_flag |= VPD_PORT;
 758                                 index += 2;
 759                                 i = vpd[index];
 760                                 index += 1;
 761                                 j = 0;
 762                                 Length -= (3+i);
 763                                 while(i--) {
 764                                 phba->Port[j++] = vpd[index++];
 765                                 if (j == 19)
 766                                         break;
 767                                 }
 768                                 phba->Port[j] = 0;
 769                                 continue;
 770                         }
 771                         else {
 772                                 index += 2;
 773                                 i = vpd[index];
 774                                 index += 1;
 775                                 index += i;
 776                                 Length -= (3 + i);
 777                         }
 778                 }
 779                 finished = 0;
 780                 break;
 781                 case 0x78:
 782                         finished = 1;
 783                         break;
 784                 default:
 785                         index ++;
 786                         break;
 787                 }
 788         }
 789
 790         return(1);
 791 }
 792
 793 static void
 794 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
 795 {
 796         lpfc_vpd_t *vp;
 797         uint16_t dev_id = phba->pcidev->device;
 798         uint16_t dev_subid = phba->pcidev->subsystem_device;
 799         uint8_t hdrtype = phba->pcidev->hdr_type;
 800         int max_speed;
 801         char * ports = (hdrtype == 0x80) ? "2-port " : "";
 802         struct {
 803                 char * name;
 804                 int    max_speed;
 805                 char * ports;
 806                 char * bus;
 807         } m;
 808
 809         if (mdp && mdp[0] != '\0'
 810                 && descp && descp[0] != '\0')
 811                 return;
 812
 813         if (phba->lmt & LMT_10Gb)
 814                 max_speed = 10;
 815         else if (phba->lmt & LMT_8Gb)
 816                 max_speed = 8;
 817         else if (phba->lmt & LMT_4Gb)
 818                 max_speed = 4;
 819         else if (phba->lmt & LMT_2Gb)
 820                 max_speed = 2;
 821         else
 822                 max_speed = 1;
 823
 824         vp = &phba->vpd;
 825
 826         switch (dev_id) {
 827         case PCI_DEVICE_ID_FIREFLY:
 828                 m = (typeof(m)){"LP6000", max_speed, "", "PCI"};
 829                 break;
 830         case PCI_DEVICE_ID_SUPERFLY:
 831                 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
 832                         m = (typeof(m)){"LP7000", max_speed, "", "PCI"};
 833                 else
 834                         m = (typeof(m)){"LP7000E", max_speed, "", "PCI"};
 835                 break;
 836         case PCI_DEVICE_ID_DRAGONFLY:
 837                 m = (typeof(m)){"LP8000", max_speed, "", "PCI"};
 838                 break;
 839         case PCI_DEVICE_ID_CENTAUR:
 840                 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
 841                         m = (typeof(m)){"LP9002", max_speed, "", "PCI"};
 842                 else
 843                         m = (typeof(m)){"LP9000", max_speed, "", "PCI"};
 844                 break;
 845         case PCI_DEVICE_ID_RFLY:
 846                 m = (typeof(m)){"LP952", max_speed, "", "PCI"};
 847                 break;
 848         case PCI_DEVICE_ID_PEGASUS:
 849                 m = (typeof(m)){"LP9802", max_speed, "", "PCI-X"};
 850                 break;
 851         case PCI_DEVICE_ID_THOR:
 852                 if (hdrtype == 0x80)
 853                         m = (typeof(m)){"LP10000DC",
 854                                         max_speed, ports, "PCI-X"};
 855                 else
 856                         m = (typeof(m)){"LP10000",
 857                                         max_speed, ports, "PCI-X"};
 858                 break;
 859         case PCI_DEVICE_ID_VIPER:
 860                 m = (typeof(m)){"LPX1000", max_speed, "", "PCI-X"};
 861                 break;
 862         case PCI_DEVICE_ID_PFLY:
 863                 m = (typeof(m)){"LP982", max_speed, "", "PCI-X"};
 864                 break;
 865         case PCI_DEVICE_ID_TFLY:
 866                 if (hdrtype == 0x80)
 867                         m = (typeof(m)){"LP1050DC", max_speed, ports, "PCI-X"};
 868                 else
 869                         m = (typeof(m)){"LP1050", max_speed, ports, "PCI-X"};
 870                 break;
 871         case PCI_DEVICE_ID_HELIOS:
 872                 if (hdrtype == 0x80)
 873                         m = (typeof(m)){"LP11002", max_speed, ports, "PCI-X2"};
 874                 else
 875                         m = (typeof(m)){"LP11000", max_speed, ports, "PCI-X2"};
 876                 break;
 877         case PCI_DEVICE_ID_HELIOS_SCSP:
 878                 m = (typeof(m)){"LP11000-SP", max_speed, ports, "PCI-X2"};
 879                 break;
 880         case PCI_DEVICE_ID_HELIOS_DCSP:
 881                 m = (typeof(m)){"LP11002-SP", max_speed, ports, "PCI-X2"};
 882                 break;
 883         case PCI_DEVICE_ID_NEPTUNE:
 884                 if (hdrtype == 0x80)
 885                         m = (typeof(m)){"LPe1002", max_speed, ports, "PCIe"};
 886                 else
 887                         m = (typeof(m)){"LPe1000", max_speed, ports, "PCIe"};
 888                 break;
 889         case PCI_DEVICE_ID_NEPTUNE_SCSP:
 890                 m = (typeof(m)){"LPe1000-SP", max_speed, ports, "PCIe"};
 891                 break;
 892         case PCI_DEVICE_ID_NEPTUNE_DCSP:
 893                 m = (typeof(m)){"LPe1002-SP", max_speed, ports, "PCIe"};
 894                 break;
 895         case PCI_DEVICE_ID_BMID:
 896                 m = (typeof(m)){"LP1150", max_speed, ports, "PCI-X2"};
 897                 break;
 898         case PCI_DEVICE_ID_BSMB:
 899                 m = (typeof(m)){"LP111", max_speed, ports, "PCI-X2"};
 900                 break;
 901         case PCI_DEVICE_ID_ZEPHYR:
 902                 if (hdrtype == 0x80)
 903                         m = (typeof(m)){"LPe11002", max_speed, ports, "PCIe"};
 904                 else
 905                         m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
 906                 break;
 907         case PCI_DEVICE_ID_ZEPHYR_SCSP:
 908                 m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
 909                 break;
 910         case PCI_DEVICE_ID_ZEPHYR_DCSP:
 911                 m = (typeof(m)){"LPe11002-SP", max_speed, ports, "PCIe"};
 912                 break;
 913         case PCI_DEVICE_ID_ZMID:
 914                 m = (typeof(m)){"LPe1150", max_speed, ports, "PCIe"};
 915                 break;
 916         case PCI_DEVICE_ID_ZSMB:
 917                 m = (typeof(m)){"LPe111", max_speed, ports, "PCIe"};
 918                 break;
 919         case PCI_DEVICE_ID_LP101:
 920                 m = (typeof(m)){"LP101", max_speed, ports, "PCI-X"};
 921                 break;
 922         case PCI_DEVICE_ID_LP10000S:
 923                 m = (typeof(m)){"LP10000-S", max_speed, ports, "PCI"};
 924                 break;
 925         case PCI_DEVICE_ID_LP11000S:
 926         case PCI_DEVICE_ID_LPE11000S:
 927                 switch (dev_subid) {
 928                 case PCI_SUBSYSTEM_ID_LP11000S:
 929                         m = (typeof(m)){"LP11000-S", max_speed,
 930                                         ports, "PCI-X2"};
 931                         break;
 932                 case PCI_SUBSYSTEM_ID_LP11002S:
 933                         m = (typeof(m)){"LP11002-S", max_speed,
 934                                         ports, "PCI-X2"};
 935                         break;
 936                 case PCI_SUBSYSTEM_ID_LPE11000S:
 937                         m = (typeof(m)){"LPe11000-S", max_speed,
 938                                         ports, "PCIe"};
 939                         break;
 940                 case PCI_SUBSYSTEM_ID_LPE11002S:
 941                         m = (typeof(m)){"LPe11002-S", max_speed,
 942                                         ports, "PCIe"};
 943                         break;
 944                 case PCI_SUBSYSTEM_ID_LPE11010S:
 945                         m = (typeof(m)){"LPe11010-S", max_speed,
 946                                         "10-port ", "PCIe"};
 947                         break;
 948                 default:
 949                         break;
 950                 }
 951                 break;
 952         default:
 953                 break;
 954         }
 955
 956         if (mdp && mdp[0] == '\0')
 957                 snprintf(mdp, 79,"%s", m.name);
 958         if (descp && descp[0] == '\0')
 959                 snprintf(descp, 255,
 960                          "Emulex %s %dGb %s%s Fibre Channel Adapter",
 961                          m.name, m.max_speed, m.ports, m.bus);
 962 }
 963
 964 /**************************************************/
 965 /*   lpfc_post_buffer                             */
 966 /*                                                */
 967 /*   This routine will post count buffers to the  */
 968 /*   ring with the QUE_RING_BUF_CN command. This  */
 969 /*   allows 3 buffers / command to be posted.     */
 970 /*   Returns the number of buffers NOT posted.    */
 971 /**************************************************/
 972 int
 973 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
 974                  int type)
 975 {
 976         IOCB_t *icmd;
 977         struct lpfc_iocbq *iocb;
 978         struct lpfc_dmabuf *mp1, *mp2;
 979
 980         cnt += pring->missbufcnt;
 981
 982         /* While there are buffers to post */
 983         while (cnt > 0) {
 984                 /* Allocate buffer for  command iocb */
 985                 spin_lock_irq(phba->host->host_lock);
 986                 iocb = lpfc_sli_get_iocbq(phba);
 987                 spin_unlock_irq(phba->host->host_lock);
 988                 if (iocb == NULL) {
 989                         pring->missbufcnt = cnt;
 990                         return cnt;
 991                 }
 992                 icmd = &iocb->iocb;
 993
 994                 /* 2 buffers can be posted per command */
 995                 /* Allocate buffer to post */
 996                 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
 997                 if (mp1)
 998                     mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
 999                                                 &mp1->phys);
1000                 if (mp1 == 0 || mp1->virt == 0) {
1001                         kfree(mp1);
1002                         spin_lock_irq(phba->host->host_lock);
1003                         lpfc_sli_release_iocbq(phba, iocb);
1004                         spin_unlock_irq(phba->host->host_lock);
1005                         pring->missbufcnt = cnt;
1006                         return cnt;
1007                 }
1008
1009                 INIT_LIST_HEAD(&mp1->list);
1010                 /* Allocate buffer to post */
1011                 if (cnt > 1) {
1012                         mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1013                         if (mp2)
1014                                 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1015                                                             &mp2->phys);
1016                         if (mp2 == 0 || mp2->virt == 0) {
1017                                 kfree(mp2);
1018                                 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1019                                 kfree(mp1);
1020                                 spin_lock_irq(phba->host->host_lock);
1021                                 lpfc_sli_release_iocbq(phba, iocb);
1022                                 spin_unlock_irq(phba->host->host_lock);
1023                                 pring->missbufcnt = cnt;
1024                                 return cnt;
1025                         }
1026
1027                         INIT_LIST_HEAD(&mp2->list);
1028                 } else {
1029                         mp2 = NULL;
1030                 }
1031
1032                 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1033                 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1034                 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1035                 icmd->ulpBdeCount = 1;
1036                 cnt--;
1037                 if (mp2) {
1038                         icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1039                         icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1040                         icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1041                         cnt--;
1042                         icmd->ulpBdeCount = 2;
1043                 }
1044
1045                 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1046                 icmd->ulpLe = 1;
1047
1048                 spin_lock_irq(phba->host->host_lock);
1049                 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1050                         lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1051                         kfree(mp1);
1052                         cnt++;
1053                         if (mp2) {
1054                                 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1055                                 kfree(mp2);
1056                                 cnt++;
1057                         }
1058                         lpfc_sli_release_iocbq(phba, iocb);
1059                         pring->missbufcnt = cnt;
1060                         spin_unlock_irq(phba->host->host_lock);
1061                         return cnt;
1062                 }
1063                 spin_unlock_irq(phba->host->host_lock);
1064                 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1065                 if (mp2) {
1066                         lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1067                 }
1068         }
1069         pring->missbufcnt = 0;
1070         return 0;
1071 }
1072
1073 /************************************************************************/
1074 /*                                                                      */
1075 /*   lpfc_post_rcv_buf                                                  */
1076 /*   This routine post initial rcv buffers to the configured rings      */
1077 /*                                                                      */
1078 /************************************************************************/
1079 static int
1080 lpfc_post_rcv_buf(struct lpfc_hba * phba)
1081 {
1082         struct lpfc_sli *psli = &phba->sli;
1083
1084         /* Ring 0, ELS / CT buffers */
1085         lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1086         /* Ring 2 - FCP no buffers needed */
1087
1088         return 0;
1089 }
1090
1091 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1092
1093 /************************************************************************/
1094 /*                                                                      */
1095 /*   lpfc_sha_init                                                      */
1096 /*                                                                      */
1097 /************************************************************************/
1098 static void
1099 lpfc_sha_init(uint32_t * HashResultPointer)
1100 {
1101         HashResultPointer[0] = 0x67452301;
1102         HashResultPointer[1] = 0xEFCDAB89;
1103         HashResultPointer[2] = 0x98BADCFE;
1104         HashResultPointer[3] = 0x10325476;
1105         HashResultPointer[4] = 0xC3D2E1F0;
1106 }
1107
1108 /************************************************************************/
1109 /*                                                                      */
1110 /*   lpfc_sha_iterate                                                   */
1111 /*                                                                      */
1112 /************************************************************************/
1113 static void
1114 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1115 {
1116         int t;
1117         uint32_t TEMP;
1118         uint32_t A, B, C, D, E;
1119         t = 16;
1120         do {
1121                 HashWorkingPointer[t] =
1122                     S(1,
1123                       HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1124                                                                      8] ^
1125                       HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1126         } while (++t <= 79);
1127         t = 0;
1128         A = HashResultPointer[0];
1129         B = HashResultPointer[1];
1130         C = HashResultPointer[2];
1131         D = HashResultPointer[3];
1132         E = HashResultPointer[4];
1133
1134         do {
1135                 if (t < 20) {
1136                         TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1137                 } else if (t < 40) {
1138                         TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1139                 } else if (t < 60) {
1140                         TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1141                 } else {
1142                         TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1143                 }
1144                 TEMP += S(5, A) + E + HashWorkingPointer[t];
1145                 E = D;
1146                 D = C;
1147                 C = S(30, B);
1148                 B = A;
1149                 A = TEMP;
1150         } while (++t <= 79);
1151
1152         HashResultPointer[0] += A;
1153         HashResultPointer[1] += B;
1154         HashResultPointer[2] += C;
1155         HashResultPointer[3] += D;
1156         HashResultPointer[4] += E;
1157
1158 }
1159
1160 /************************************************************************/
1161 /*                                                                      */
1162 /*   lpfc_challenge_key                                                 */
1163 /*                                                                      */
1164 /************************************************************************/
1165 static void
1166 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1167 {
1168         *HashWorking = (*RandomChallenge ^ *HashWorking);
1169 }
1170
1171 /************************************************************************/
1172 /*                                                                      */
1173 /*   lpfc_hba_init                                                      */
1174 /*                                                                      */
1175 /************************************************************************/
1176 void
1177 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1178 {
1179         int t;
1180         uint32_t *HashWorking;
1181         uint32_t *pwwnn = phba->wwnn;
1182
1183         HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1184         if (!HashWorking)
1185                 return;
1186
1187         memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1188         HashWorking[0] = HashWorking[78] = *pwwnn++;
1189         HashWorking[1] = HashWorking[79] = *pwwnn;
1190
1191         for (t = 0; t < 7; t++)
1192                 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1193
1194         lpfc_sha_init(hbainit);
1195         lpfc_sha_iterate(hbainit, HashWorking);
1196         kfree(HashWorking);
1197 }
1198
1199 static void
1200 lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind)
1201 {
1202         struct lpfc_nodelist *ndlp, *next_ndlp;
1203
1204         /* clean up phba - lpfc specific */
1205         lpfc_can_disctmo(phba);
1206         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
1207                                 nlp_listp) {
1208                 lpfc_nlp_remove(phba, ndlp);
1209         }
1210
1211         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1212                                  nlp_listp) {
1213                 lpfc_nlp_remove(phba, ndlp);
1214         }
1215
1216         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
1217                                 nlp_listp) {
1218                 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1219         }
1220
1221         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1222                                 nlp_listp) {
1223                 lpfc_nlp_remove(phba, ndlp);
1224         }
1225
1226         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1227                                 nlp_listp) {
1228                 lpfc_nlp_remove(phba, ndlp);
1229         }
1230
1231         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
1232                                 nlp_listp) {
1233                 lpfc_nlp_remove(phba, ndlp);
1234         }
1235
1236         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1237                                 nlp_listp) {
1238                 lpfc_nlp_remove(phba, ndlp);
1239         }
1240
1241         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1242                                 nlp_listp) {
1243                 lpfc_nlp_remove(phba, ndlp);
1244         }
1245
1246         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1247         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1248         INIT_LIST_HEAD(&phba->fc_unused_list);
1249         INIT_LIST_HEAD(&phba->fc_plogi_list);
1250         INIT_LIST_HEAD(&phba->fc_adisc_list);
1251         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1252         INIT_LIST_HEAD(&phba->fc_prli_list);
1253         INIT_LIST_HEAD(&phba->fc_npr_list);
1254
1255         phba->fc_map_cnt   = 0;
1256         phba->fc_unmap_cnt = 0;
1257         phba->fc_plogi_cnt = 0;
1258         phba->fc_adisc_cnt = 0;
1259         phba->fc_reglogin_cnt = 0;
1260         phba->fc_prli_cnt  = 0;
1261         phba->fc_npr_cnt   = 0;
1262         phba->fc_unused_cnt= 0;
1263         return;
1264 }
1265
1266 static void
1267 lpfc_establish_link_tmo(unsigned long ptr)
1268 {
1269         struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1270         unsigned long iflag;
1271
1272
1273         /* Re-establishing Link, timer expired */
1274         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1275                         "%d:1300 Re-establishing Link, timer expired "
1276                         "Data: x%x x%x\n",
1277                         phba->brd_no, phba->fc_flag, phba->hba_state);
1278         spin_lock_irqsave(phba->host->host_lock, iflag);
1279         phba->fc_flag &= ~FC_ESTABLISH_LINK;
1280         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1281 }
1282
1283 static int
1284 lpfc_stop_timer(struct lpfc_hba * phba)
1285 {
1286         struct lpfc_sli *psli = &phba->sli;
1287
1288         /* Instead of a timer, this has been converted to a
1289          * deferred procedding list.
1290          */
1291         while (!list_empty(&phba->freebufList)) {
1292
1293                 struct lpfc_dmabuf *mp = NULL;
1294
1295                 list_remove_head((&phba->freebufList), mp,
1296                                  struct lpfc_dmabuf, list);
1297                 if (mp) {
1298                         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1299                         kfree(mp);
1300                 }
1301         }
1302
1303         del_timer_sync(&phba->fcp_poll_timer);
1304         del_timer_sync(&phba->fc_estabtmo);
1305         del_timer_sync(&phba->fc_disctmo);
1306         del_timer_sync(&phba->fc_fdmitmo);
1307         del_timer_sync(&phba->els_tmofunc);
1308         psli = &phba->sli;
1309         del_timer_sync(&psli->mbox_tmo);
1310         return(1);
1311 }
1312
1313 int
1314 lpfc_online(struct lpfc_hba * phba)
1315 {
1316         if (!phba)
1317                 return 0;
1318
1319         if (!(phba->fc_flag & FC_OFFLINE_MODE))
1320                 return 0;
1321
1322         lpfc_printf_log(phba,
1323                        KERN_WARNING,
1324                        LOG_INIT,
1325                        "%d:0458 Bring Adapter online\n",
1326                        phba->brd_no);
1327
1328         if (!lpfc_sli_queue_setup(phba))
1329                 return 1;
1330
1331         if (lpfc_sli_hba_setup(phba))   /* Initialize the HBA */
1332                 return 1;
1333
1334         spin_lock_irq(phba->host->host_lock);
1335         phba->fc_flag &= ~FC_OFFLINE_MODE;
1336         spin_unlock_irq(phba->host->host_lock);
1337
1338         return 0;
1339 }
1340
1341 int
1342 lpfc_offline(struct lpfc_hba * phba)
1343 {
1344         struct lpfc_sli_ring *pring;
1345         struct lpfc_sli *psli;
1346         unsigned long iflag;
1347         int i = 0;
1348
1349         if (!phba)
1350                 return 0;
1351
1352         if (phba->fc_flag & FC_OFFLINE_MODE)
1353                 return 0;
1354
1355         psli = &phba->sli;
1356         pring = &psli->ring[psli->fcp_ring];
1357
1358         lpfc_linkdown(phba);
1359
1360         /* The linkdown event takes 30 seconds to timeout. */
1361         while (pring->txcmplq_cnt) {
1362                 mdelay(10);
1363                 if (i++ > 3000)
1364                         break;
1365         }
1366
1367         /* stop all timers associated with this hba */
1368         lpfc_stop_timer(phba);
1369         phba->work_hba_events = 0;
1370
1371         lpfc_printf_log(phba,
1372                        KERN_WARNING,
1373                        LOG_INIT,
1374                        "%d:0460 Bring Adapter offline\n",
1375                        phba->brd_no);
1376
1377         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1378            now.  */
1379         lpfc_sli_hba_down(phba);
1380         lpfc_cleanup(phba, 1);
1381         spin_lock_irqsave(phba->host->host_lock, iflag);
1382         phba->fc_flag |= FC_OFFLINE_MODE;
1383         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1384         return 0;
1385 }
1386
1387 /******************************************************************************
1388 * Function name: lpfc_scsi_free
1389 *
1390 * Description: Called from lpfc_pci_remove_one free internal driver resources
1391 *
1392 ******************************************************************************/
1393 static int
1394 lpfc_scsi_free(struct lpfc_hba * phba)
1395 {
1396         struct lpfc_scsi_buf *sb, *sb_next;
1397         struct lpfc_iocbq *io, *io_next;
1398
1399         spin_lock_irq(phba->host->host_lock);
1400         /* Release all the lpfc_scsi_bufs maintained by this host. */
1401         list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1402                 list_del(&sb->list);
1403                 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1404                                                                 sb->dma_handle);
1405                 kfree(sb);
1406                 phba->total_scsi_bufs--;
1407         }
1408
1409         /* Release all the lpfc_iocbq entries maintained by this host. */
1410         list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1411                 list_del(&io->list);
1412                 kfree(io);
1413                 phba->total_iocbq_bufs--;
1414         }
1415
1416         spin_unlock_irq(phba->host->host_lock);
1417
1418         return 0;
1419 }
1420
1421
1422 static int __devinit
1423 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1424 {
1425         struct Scsi_Host *host;
1426         struct lpfc_hba  *phba;
1427         struct lpfc_sli  *psli;
1428         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1429         unsigned long bar0map_len, bar2map_len;
1430         int error = -ENODEV, retval;
1431         int i;
1432         uint16_t iotag;
1433
1434         if (pci_enable_device(pdev))
1435                 goto out;
1436         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1437                 goto out_disable_device;
1438
1439         host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
1440         if (!host)
1441                 goto out_release_regions;
1442
1443         phba = (struct lpfc_hba*)host->hostdata;
1444         memset(phba, 0, sizeof (struct lpfc_hba));
1445         phba->host = host;
1446
1447         phba->fc_flag |= FC_LOADING;
1448         phba->pcidev = pdev;
1449
1450         /* Assign an unused board number */
1451         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1452                 goto out_put_host;
1453
1454         error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
1455         if (error)
1456                 goto out_put_host;
1457
1458         host->unique_id = phba->brd_no;
1459         init_MUTEX(&phba->hba_can_block);
1460         INIT_LIST_HEAD(&phba->ctrspbuflist);
1461         INIT_LIST_HEAD(&phba->rnidrspbuflist);
1462         INIT_LIST_HEAD(&phba->freebufList);
1463
1464         /* Initialize timers used by driver */
1465         init_timer(&phba->fc_estabtmo);
1466         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1467         phba->fc_estabtmo.data = (unsigned long)phba;
1468         init_timer(&phba->fc_disctmo);
1469         phba->fc_disctmo.function = lpfc_disc_timeout;
1470         phba->fc_disctmo.data = (unsigned long)phba;
1471
1472         init_timer(&phba->fc_fdmitmo);
1473         phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
1474         phba->fc_fdmitmo.data = (unsigned long)phba;
1475         init_timer(&phba->els_tmofunc);
1476         phba->els_tmofunc.function = lpfc_els_timeout;
1477         phba->els_tmofunc.data = (unsigned long)phba;
1478         psli = &phba->sli;
1479         init_timer(&psli->mbox_tmo);
1480         psli->mbox_tmo.function = lpfc_mbox_timeout;
1481         psli->mbox_tmo.data = (unsigned long)phba;
1482
1483         init_timer(&phba->fcp_poll_timer);
1484         phba->fcp_poll_timer.function = lpfc_poll_timeout;
1485         phba->fcp_poll_timer.data = (unsigned long)phba;
1486
1487         /*
1488          * Get all the module params for configuring this host and then
1489          * establish the host parameters.
1490          */
1491         lpfc_get_cfgparam(phba);
1492
1493         host->max_id = LPFC_MAX_TARGET;
1494         host->max_lun = phba->cfg_max_luns;
1495         host->this_id = -1;
1496
1497         /* Initialize all internally managed lists. */
1498         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1499         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1500         INIT_LIST_HEAD(&phba->fc_unused_list);
1501         INIT_LIST_HEAD(&phba->fc_plogi_list);
1502         INIT_LIST_HEAD(&phba->fc_adisc_list);
1503         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1504         INIT_LIST_HEAD(&phba->fc_prli_list);
1505         INIT_LIST_HEAD(&phba->fc_npr_list);
1506
1507
1508         pci_set_master(pdev);
1509         retval = pci_set_mwi(pdev);
1510         if (retval)
1511                 dev_printk(KERN_WARNING, &pdev->dev,
1512                            "Warning: pci_set_mwi returned %d\n", retval);
1513
1514         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1515                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1516                         goto out_idr_remove;
1517
1518         /*
1519          * Get the bus address of Bar0 and Bar2 and the number of bytes
1520          * required by each mapping.
1521          */
1522         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1523         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1524
1525         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1526         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1527
1528         /* Map HBA SLIM to a kernel virtual address. */
1529         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1530         if (!phba->slim_memmap_p) {
1531                 error = -ENODEV;
1532                 dev_printk(KERN_ERR, &pdev->dev,
1533                            "ioremap failed for SLIM memory.\n");
1534                 goto out_idr_remove;
1535         }
1536
1537         /* Map HBA Control Registers to a kernel virtual address. */
1538         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1539         if (!phba->ctrl_regs_memmap_p) {
1540                 error = -ENODEV;
1541                 dev_printk(KERN_ERR, &pdev->dev,
1542                            "ioremap failed for HBA control registers.\n");
1543                 goto out_iounmap_slim;
1544         }
1545
1546         /* Allocate memory for SLI-2 structures */
1547         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1548                                           &phba->slim2p_mapping, GFP_KERNEL);
1549         if (!phba->slim2p)
1550                 goto out_iounmap;
1551
1552         memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1553
1554         /* Initialize the SLI Layer to run with lpfc HBAs. */
1555         lpfc_sli_setup(phba);
1556         lpfc_sli_queue_setup(phba);
1557
1558         error = lpfc_mem_alloc(phba);
1559         if (error)
1560                 goto out_free_slim;
1561
1562         /* Initialize and populate the iocb list per host.  */
1563         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1564         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1565                 iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1566                 if (iocbq_entry == NULL) {
1567                         printk(KERN_ERR "%s: only allocated %d iocbs of "
1568                                 "expected %d count. Unloading driver.\n",
1569                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1570                         error = -ENOMEM;
1571                         goto out_free_iocbq;
1572                 }
1573
1574                 memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
1575                 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1576                 if (iotag == 0) {
1577                         kfree (iocbq_entry);
1578                         printk(KERN_ERR "%s: failed to allocate IOTAG. "
1579                                "Unloading driver.\n",
1580                                 __FUNCTION__);
1581                         error = -ENOMEM;
1582                         goto out_free_iocbq;
1583                 }
1584                 spin_lock_irq(phba->host->host_lock);
1585                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1586                 phba->total_iocbq_bufs++;
1587                 spin_unlock_irq(phba->host->host_lock);
1588         }
1589
1590         /* Initialize HBA structure */
1591         phba->fc_edtov = FF_DEF_EDTOV;
1592         phba->fc_ratov = FF_DEF_RATOV;
1593         phba->fc_altov = FF_DEF_ALTOV;
1594         phba->fc_arbtov = FF_DEF_ARBTOV;
1595
1596         INIT_LIST_HEAD(&phba->work_list);
1597         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1598         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1599
1600         /* Startup the kernel thread for this host adapter. */
1601         phba->worker_thread = kthread_run(lpfc_do_work, phba,
1602                                        "lpfc_worker_%d", phba->brd_no);
1603         if (IS_ERR(phba->worker_thread)) {
1604                 error = PTR_ERR(phba->worker_thread);
1605                 goto out_free_iocbq;
1606         }
1607
1608         /* We can rely on a queue depth attribute only after SLI HBA setup */
1609         host->can_queue = phba->cfg_hba_queue_depth - 10;
1610
1611         /* Tell the midlayer we support 16 byte commands */
1612         host->max_cmd_len = 16;
1613
1614         /* Initialize the list of scsi buffers used by driver for scsi IO. */
1615         spin_lock_init(&phba->scsi_buf_list_lock);
1616         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1617
1618         host->transportt = lpfc_transport_template;
1619         pci_set_drvdata(pdev, host);
1620         error = scsi_add_host(host, &pdev->dev);
1621         if (error)
1622                 goto out_kthread_stop;
1623
1624         error = lpfc_alloc_sysfs_attr(phba);
1625         if (error)
1626                 goto out_kthread_stop;
1627
1628         error = request_irq(phba->pcidev->irq, lpfc_intr_handler, SA_SHIRQ,
1629                                                         LPFC_DRIVER_NAME, phba);
1630         if (error) {
1631                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1632                         "%d:0451 Enable interrupt handler failed\n",
1633                         phba->brd_no);
1634                 goto out_free_sysfs_attr;
1635         }
1636         phba->MBslimaddr = phba->slim_memmap_p;
1637         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1638         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1639         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1640         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1641
1642         error = lpfc_sli_hba_setup(phba);
1643         if (error)
1644                 goto out_free_irq;
1645
1646         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1647                 spin_lock_irq(phba->host->host_lock);
1648                 lpfc_poll_start_timer(phba);
1649                 spin_unlock_irq(phba->host->host_lock);
1650         }
1651
1652         /*
1653          * set fixed host attributes
1654          * Must done after lpfc_sli_hba_setup()
1655          */
1656
1657         fc_host_node_name(host) = wwn_to_u64(phba->fc_nodename.u.wwn);
1658         fc_host_port_name(host) = wwn_to_u64(phba->fc_portname.u.wwn);
1659         fc_host_supported_classes(host) = FC_COS_CLASS3;
1660
1661         memset(fc_host_supported_fc4s(host), 0,
1662                 sizeof(fc_host_supported_fc4s(host)));
1663         fc_host_supported_fc4s(host)[2] = 1;
1664         fc_host_supported_fc4s(host)[7] = 1;
1665
1666         lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host));
1667
1668         fc_host_supported_speeds(host) = 0;
1669         if (phba->lmt & LMT_10Gb)
1670                 fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT;
1671         if (phba->lmt & LMT_4Gb)
1672                 fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT;
1673         if (phba->lmt & LMT_2Gb)
1674                 fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT;
1675         if (phba->lmt & LMT_1Gb)
1676                 fc_host_supported_speeds(host) |= FC_PORTSPEED_1GBIT;
1677
1678         fc_host_maxframe_size(host) =
1679                 ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1680                  (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
1681
1682         /* This value is also unchanging */
1683         memset(fc_host_active_fc4s(host), 0,
1684                 sizeof(fc_host_active_fc4s(host)));
1685         fc_host_active_fc4s(host)[2] = 1;
1686         fc_host_active_fc4s(host)[7] = 1;
1687
1688         spin_lock_irq(phba->host->host_lock);
1689         phba->fc_flag &= ~FC_LOADING;
1690         spin_unlock_irq(phba->host->host_lock);
1691         return 0;
1692
1693 out_free_irq:
1694         lpfc_stop_timer(phba);
1695         phba->work_hba_events = 0;
1696         free_irq(phba->pcidev->irq, phba);
1697 out_free_sysfs_attr:
1698         lpfc_free_sysfs_attr(phba);
1699 out_kthread_stop:
1700         kthread_stop(phba->worker_thread);
1701 out_free_iocbq:
1702         list_for_each_entry_safe(iocbq_entry, iocbq_next,
1703                                                 &phba->lpfc_iocb_list, list) {
1704                 spin_lock_irq(phba->host->host_lock);
1705                 kfree(iocbq_entry);
1706                 phba->total_iocbq_bufs--;
1707                 spin_unlock_irq(phba->host->host_lock);
1708         }
1709         lpfc_mem_free(phba);
1710 out_free_slim:
1711         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1712                                                         phba->slim2p_mapping);
1713 out_iounmap:
1714         iounmap(phba->ctrl_regs_memmap_p);
1715 out_iounmap_slim:
1716         iounmap(phba->slim_memmap_p);
1717 out_idr_remove:
1718         idr_remove(&lpfc_hba_index, phba->brd_no);
1719 out_put_host:
1720         scsi_host_put(host);
1721 out_release_regions:
1722         pci_release_regions(pdev);
1723 out_disable_device:
1724         pci_disable_device(pdev);
1725 out:
1726         return error;
1727 }
1728
1729 static void __devexit
1730 lpfc_pci_remove_one(struct pci_dev *pdev)
1731 {
1732         struct Scsi_Host   *host = pci_get_drvdata(pdev);
1733         struct lpfc_hba    *phba = (struct lpfc_hba *)host->hostdata;
1734         unsigned long iflag;
1735
1736         lpfc_free_sysfs_attr(phba);
1737
1738         spin_lock_irqsave(phba->host->host_lock, iflag);
1739         phba->fc_flag |= FC_UNLOADING;
1740
1741         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1742
1743         fc_remove_host(phba->host);
1744         scsi_remove_host(phba->host);
1745
1746         kthread_stop(phba->worker_thread);
1747
1748         /*
1749          * Bring down the SLI Layer. This step disable all interrupts,
1750          * clears the rings, discards all mailbox commands, and resets
1751          * the HBA.
1752          */
1753         lpfc_sli_hba_down(phba);
1754         lpfc_sli_brdrestart(phba);
1755
1756         /* Release the irq reservation */
1757         free_irq(phba->pcidev->irq, phba);
1758
1759         lpfc_cleanup(phba, 0);
1760         lpfc_stop_timer(phba);
1761         phba->work_hba_events = 0;
1762
1763         /*
1764          * Call scsi_free before mem_free since scsi bufs are released to their
1765          * corresponding pools here.
1766          */
1767         lpfc_scsi_free(phba);
1768         lpfc_mem_free(phba);
1769
1770         /* Free resources associated with SLI2 interface */
1771         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
1772                           phba->slim2p, phba->slim2p_mapping);
1773
1774         /* unmap adapter SLIM and Control Registers */
1775         iounmap(phba->ctrl_regs_memmap_p);
1776         iounmap(phba->slim_memmap_p);
1777
1778         pci_release_regions(phba->pcidev);
1779         pci_disable_device(phba->pcidev);
1780
1781         idr_remove(&lpfc_hba_index, phba->brd_no);
1782         scsi_host_put(phba->host);
1783
1784         pci_set_drvdata(pdev, NULL);
1785 }
1786
1787 static struct pci_device_id lpfc_id_table[] = {
1788         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
1789                 PCI_ANY_ID, PCI_ANY_ID, },
1790         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
1791                 PCI_ANY_ID, PCI_ANY_ID, },
1792         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
1793                 PCI_ANY_ID, PCI_ANY_ID, },
1794         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
1795                 PCI_ANY_ID, PCI_ANY_ID, },
1796         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
1797                 PCI_ANY_ID, PCI_ANY_ID, },
1798         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
1799                 PCI_ANY_ID, PCI_ANY_ID, },
1800         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
1801                 PCI_ANY_ID, PCI_ANY_ID, },
1802         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
1803                 PCI_ANY_ID, PCI_ANY_ID, },
1804         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
1805                 PCI_ANY_ID, PCI_ANY_ID, },
1806         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
1807                 PCI_ANY_ID, PCI_ANY_ID, },
1808         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
1809                 PCI_ANY_ID, PCI_ANY_ID, },
1810         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
1811                 PCI_ANY_ID, PCI_ANY_ID, },
1812         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
1813                 PCI_ANY_ID, PCI_ANY_ID, },
1814         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
1815                 PCI_ANY_ID, PCI_ANY_ID, },
1816         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
1817                 PCI_ANY_ID, PCI_ANY_ID, },
1818         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
1819                 PCI_ANY_ID, PCI_ANY_ID, },
1820         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
1821                 PCI_ANY_ID, PCI_ANY_ID, },
1822         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
1823                 PCI_ANY_ID, PCI_ANY_ID, },
1824         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
1825                 PCI_ANY_ID, PCI_ANY_ID, },
1826         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
1827                 PCI_ANY_ID, PCI_ANY_ID, },
1828         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
1829                 PCI_ANY_ID, PCI_ANY_ID, },
1830         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
1831                 PCI_ANY_ID, PCI_ANY_ID, },
1832         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
1833                 PCI_ANY_ID, PCI_ANY_ID, },
1834         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
1835                 PCI_ANY_ID, PCI_ANY_ID, },
1836         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
1837                 PCI_ANY_ID, PCI_ANY_ID, },
1838         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
1839                 PCI_ANY_ID, PCI_ANY_ID, },
1840         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
1841                 PCI_ANY_ID, PCI_ANY_ID, },
1842         { 0 }
1843 };
1844
1845 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
1846
1847 static struct pci_driver lpfc_driver = {
1848         .name           = LPFC_DRIVER_NAME,
1849         .id_table       = lpfc_id_table,
1850         .probe          = lpfc_pci_probe_one,
1851         .remove         = __devexit_p(lpfc_pci_remove_one),
1852 };
1853
1854 static int __init
1855 lpfc_init(void)
1856 {
1857         int error = 0;
1858
1859         printk(LPFC_MODULE_DESC "\n");
1860         printk(LPFC_COPYRIGHT "\n");
1861
1862         lpfc_transport_template =
1863                                 fc_attach_transport(&lpfc_transport_functions);
1864         if (!lpfc_transport_template)
1865                 return -ENOMEM;
1866         error = pci_register_driver(&lpfc_driver);
1867         if (error)
1868                 fc_release_transport(lpfc_transport_template);
1869
1870         return error;
1871 }
1872
1873 static void __exit
1874 lpfc_exit(void)
1875 {
1876         pci_unregister_driver(&lpfc_driver);
1877         fc_release_transport(lpfc_transport_template);
1878 }
1879
1880 module_init(lpfc_init);
1881 module_exit(lpfc_exit);
1882 MODULE_LICENSE("GPL");
1883 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
1884 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1885 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);