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         static int init_key = 1;
  75
  76         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
  77         if (!pmb) {
  78                 phba->hba_state = LPFC_HBA_ERROR;
  79                 return -ENOMEM;
  80         }
  81
  82         mb = &pmb->mb;
  83         phba->hba_state = LPFC_INIT_MBX_CMDS;
  84
  85         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
  86                 if (init_key) {
  87                         uint32_t *ptext = (uint32_t *) licensed;
  88
  89                         for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
  90                                 *ptext = cpu_to_be32(*ptext);
  91                         init_key = 0;
  92                 }
  93
  94                 lpfc_read_nv(phba, pmb);
  95                 memset((char*)mb->un.varRDnvp.rsvd3, 0,
  96                         sizeof (mb->un.varRDnvp.rsvd3));
  97                 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
  98                          sizeof (licensed));
  99
 100                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 101
 102                 if (rc != MBX_SUCCESS) {
 103                         lpfc_printf_log(phba,
 104                                         KERN_ERR,
 105                                         LOG_MBOX,
 106                                         "%d:0324 Config Port initialization "
 107                                         "error, mbxCmd x%x READ_NVPARM, "
 108                                         "mbxStatus x%x\n",
 109                                         phba->brd_no,
 110                                         mb->mbxCommand, mb->mbxStatus);
 111                         mempool_free(pmb, phba->mbox_mem_pool);
 112                         return -ERESTART;
 113                 }
 114                 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
 115                        sizeof (mb->un.varRDnvp.nodename));
 116         }
 117
 118         /* Setup and issue mailbox READ REV command */
 119         lpfc_read_rev(phba, pmb);
 120         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 121         if (rc != MBX_SUCCESS) {
 122                 lpfc_printf_log(phba,
 123                                 KERN_ERR,
 124                                 LOG_INIT,
 125                                 "%d:0439 Adapter failed to init, mbxCmd x%x "
 126                                 "READ_REV, mbxStatus x%x\n",
 127                                 phba->brd_no,
 128                                 mb->mbxCommand, mb->mbxStatus);
 129                 mempool_free( pmb, phba->mbox_mem_pool);
 130                 return -ERESTART;
 131         }
 132
 133         /*
 134          * The value of rr must be 1 since the driver set the cv field to 1.
 135          * This setting requires the FW to set all revision fields.
 136          */
 137         if (mb->un.varRdRev.rr == 0) {
 138                 vp->rev.rBit = 0;
 139                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 140                                 "%d:0440 Adapter failed to init, READ_REV has "
 141                                 "missing revision information.\n",
 142                                 phba->brd_no);
 143                 mempool_free(pmb, phba->mbox_mem_pool);
 144                 return -ERESTART;
 145         }
 146
 147         /* Save information as VPD data */
 148         vp->rev.rBit = 1;
 149         vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
 150         memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
 151         vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
 152         memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
 153         vp->rev.biuRev = mb->un.varRdRev.biuRev;
 154         vp->rev.smRev = mb->un.varRdRev.smRev;
 155         vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
 156         vp->rev.endecRev = mb->un.varRdRev.endecRev;
 157         vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
 158         vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
 159         vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
 160         vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
 161         vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
 162         vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
 163
 164         if (lpfc_is_LC_HBA(phba->pcidev->device))
 165                 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
 166                                                 sizeof (phba->RandomData));
 167
 168         /* Get adapter VPD information */
 169         pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
 170         if (!pmb->context2)
 171                 goto out_free_mbox;
 172         lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
 173         if (!lpfc_vpd_data)
 174                 goto out_free_context2;
 175
 176         do {
 177                 lpfc_dump_mem(phba, pmb, offset);
 178                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 179
 180                 if (rc != MBX_SUCCESS) {
 181                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 182                                         "%d:0441 VPD not present on adapter, "
 183                                         "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
 184                                         phba->brd_no,
 185                                         mb->mbxCommand, mb->mbxStatus);
 186                         mb->un.varDmp.word_cnt = 0;
 187                 }
 188                 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
 189                         mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
 190                 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
 191                                                         mb->un.varDmp.word_cnt);
 192                 offset += mb->un.varDmp.word_cnt;
 193         } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
 194         lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
 195
 196         kfree(lpfc_vpd_data);
 197 out_free_context2:
 198         kfree(pmb->context2);
 199 out_free_mbox:
 200         mempool_free(pmb, phba->mbox_mem_pool);
 201         return 0;
 202 }
 203
 204 /************************************************************************/
 205 /*                                                                      */
 206 /*    lpfc_config_port_post                                             */
 207 /*    This routine will do LPFC initialization after the                */
 208 /*    CONFIG_PORT mailbox command. This will be initialized             */
 209 /*    as a SLI layer callback routine.                                  */
 210 /*    This routine returns 0 on success. Any other return value         */
 211 /*    indicates an error.                                               */
 212 /*                                                                      */
 213 /************************************************************************/
 214 int
 215 lpfc_config_port_post(struct lpfc_hba * phba)
 216 {
 217         LPFC_MBOXQ_t *pmb;
 218         MAILBOX_t *mb;
 219         struct lpfc_dmabuf *mp;
 220         struct lpfc_sli *psli = &phba->sli;
 221         uint32_t status, timeout;
 222         int i, j, rc;
 223
 224         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 225         if (!pmb) {
 226                 phba->hba_state = LPFC_HBA_ERROR;
 227                 return -ENOMEM;
 228         }
 229         mb = &pmb->mb;
 230
 231         lpfc_config_link(phba, pmb);
 232         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 233         if (rc != MBX_SUCCESS) {
 234                 lpfc_printf_log(phba,
 235                                 KERN_ERR,
 236                                 LOG_INIT,
 237                                 "%d:0447 Adapter failed init, mbxCmd x%x "
 238                                 "CONFIG_LINK mbxStatus x%x\n",
 239                                 phba->brd_no,
 240                                 mb->mbxCommand, mb->mbxStatus);
 241                 phba->hba_state = LPFC_HBA_ERROR;
 242                 mempool_free( pmb, phba->mbox_mem_pool);
 243                 return -EIO;
 244         }
 245
 246         /* Get login parameters for NID.  */
 247         lpfc_read_sparam(phba, pmb);
 248         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 249                 lpfc_printf_log(phba,
 250                                 KERN_ERR,
 251                                 LOG_INIT,
 252                                 "%d:0448 Adapter failed init, mbxCmd x%x "
 253                                 "READ_SPARM mbxStatus x%x\n",
 254                                 phba->brd_no,
 255                                 mb->mbxCommand, mb->mbxStatus);
 256                 phba->hba_state = LPFC_HBA_ERROR;
 257                 mp = (struct lpfc_dmabuf *) pmb->context1;
 258                 mempool_free( pmb, phba->mbox_mem_pool);
 259                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 260                 kfree(mp);
 261                 return -EIO;
 262         }
 263
 264         mp = (struct lpfc_dmabuf *) pmb->context1;
 265
 266         memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
 267         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 268         kfree(mp);
 269         pmb->context1 = NULL;
 270
 271         if (phba->cfg_soft_wwnn)
 272                 u64_to_wwn(phba->cfg_soft_wwnn, phba->fc_sparam.nodeName.u.wwn);
 273         if (phba->cfg_soft_wwpn)
 274                 u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn);
 275         memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
 276                sizeof (struct lpfc_name));
 277         memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
 278                sizeof (struct lpfc_name));
 279         /* If no serial number in VPD data, use low 6 bytes of WWNN */
 280         /* This should be consolidated into parse_vpd ? - mr */
 281         if (phba->SerialNumber[0] == 0) {
 282                 uint8_t *outptr;
 283
 284                 outptr = &phba->fc_nodename.u.s.IEEE[0];
 285                 for (i = 0; i < 12; i++) {
 286                         status = *outptr++;
 287                         j = ((status & 0xf0) >> 4);
 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                         i++;
 295                         j = (status & 0xf);
 296                         if (j <= 9)
 297                                 phba->SerialNumber[i] =
 298                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 299                         else
 300                                 phba->SerialNumber[i] =
 301                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 302                 }
 303         }
 304
 305         lpfc_read_config(phba, pmb);
 306         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 307                 lpfc_printf_log(phba,
 308                                 KERN_ERR,
 309                                 LOG_INIT,
 310                                 "%d:0453 Adapter failed to init, mbxCmd x%x "
 311                                 "READ_CONFIG, mbxStatus x%x\n",
 312                                 phba->brd_no,
 313                                 mb->mbxCommand, mb->mbxStatus);
 314                 phba->hba_state = LPFC_HBA_ERROR;
 315                 mempool_free( pmb, phba->mbox_mem_pool);
 316                 return -EIO;
 317         }
 318
 319         /* Reset the DFT_HBA_Q_DEPTH to the max xri  */
 320         if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
 321                 phba->cfg_hba_queue_depth =
 322                         mb->un.varRdConfig.max_xri + 1;
 323
 324         phba->lmt = mb->un.varRdConfig.lmt;
 325
 326         /* Get the default values for Model Name and Description */
 327         lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
 328
 329         if ((phba->cfg_link_speed > LINK_SPEED_10G)
 330             || ((phba->cfg_link_speed == LINK_SPEED_1G)
 331                 && !(phba->lmt & LMT_1Gb))
 332             || ((phba->cfg_link_speed == LINK_SPEED_2G)
 333                 && !(phba->lmt & LMT_2Gb))
 334             || ((phba->cfg_link_speed == LINK_SPEED_4G)
 335                 && !(phba->lmt & LMT_4Gb))
 336             || ((phba->cfg_link_speed == LINK_SPEED_8G)
 337                 && !(phba->lmt & LMT_8Gb))
 338             || ((phba->cfg_link_speed == LINK_SPEED_10G)
 339                 && !(phba->lmt & LMT_10Gb))) {
 340                 /* Reset link speed to auto */
 341                 lpfc_printf_log(phba,
 342                         KERN_WARNING,
 343                         LOG_LINK_EVENT,
 344                         "%d:1302 Invalid speed for this board: "
 345                         "Reset link speed to auto: x%x\n",
 346                         phba->brd_no,
 347                         phba->cfg_link_speed);
 348                         phba->cfg_link_speed = LINK_SPEED_AUTO;
 349         }
 350
 351         phba->hba_state = LPFC_LINK_DOWN;
 352
 353         /* Only process IOCBs on ring 0 till hba_state is READY */
 354         if (psli->ring[psli->extra_ring].cmdringaddr)
 355                 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
 356         if (psli->ring[psli->fcp_ring].cmdringaddr)
 357                 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
 358         if (psli->ring[psli->next_ring].cmdringaddr)
 359                 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
 360
 361         /* Post receive buffers for desired rings */
 362         lpfc_post_rcv_buf(phba);
 363
 364         /* Enable appropriate host interrupts */
 365         spin_lock_irq(phba->host->host_lock);
 366         status = readl(phba->HCregaddr);
 367         status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
 368         if (psli->num_rings > 0)
 369                 status |= HC_R0INT_ENA;
 370         if (psli->num_rings > 1)
 371                 status |= HC_R1INT_ENA;
 372         if (psli->num_rings > 2)
 373                 status |= HC_R2INT_ENA;
 374         if (psli->num_rings > 3)
 375                 status |= HC_R3INT_ENA;
 376
 377         if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
 378             (phba->cfg_poll & DISABLE_FCP_RING_INT))
 379                 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
 380
 381         writel(status, phba->HCregaddr);
 382         readl(phba->HCregaddr); /* flush */
 383         spin_unlock_irq(phba->host->host_lock);
 384
 385         /*
 386          * Setup the ring 0 (els)  timeout handler
 387          */
 388         timeout = phba->fc_ratov << 1;
 389         phba->els_tmofunc.expires = jiffies + HZ * timeout;
 390         add_timer(&phba->els_tmofunc);
 391
 392         lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
 393         pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 394         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
 395         if (rc != 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                 if (rc != MBX_BUSY)
 413                         mempool_free(pmb, phba->mbox_mem_pool);
 414                 return -EIO;
 415         }
 416         /* MBOX buffer will be freed in mbox compl */
 417
 418         return (0);
 419 }
 420
 421 static int
 422 lpfc_discovery_wait(struct lpfc_hba *phba)
 423 {
 424         int i = 0;
 425
 426         while ((phba->hba_state != LPFC_HBA_READY) ||
 427                (phba->num_disc_nodes) || (phba->fc_prli_sent) ||
 428                ((phba->fc_map_cnt == 0) && (i<2)) ||
 429                (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
 430                 /* Check every second for 30 retries. */
 431                 i++;
 432                 if (i > 30) {
 433                         return -ETIMEDOUT;
 434                 }
 435                 if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
 436                         /* The link is down.  Set linkdown timeout */
 437                         return -ETIMEDOUT;
 438                 }
 439
 440                 /* Delay for 1 second to give discovery time to complete. */
 441                 msleep(1000);
 442
 443         }
 444
 445         return 0;
 446 }
 447
 448 /************************************************************************/
 449 /*                                                                      */
 450 /*    lpfc_hba_down_prep                                                */
 451 /*    This routine will do LPFC uninitialization before the             */
 452 /*    HBA is reset when bringing down the SLI Layer. This will be       */
 453 /*    initialized as a SLI layer callback routine.                      */
 454 /*    This routine returns 0 on success. Any other return value         */
 455 /*    indicates an error.                                               */
 456 /*                                                                      */
 457 /************************************************************************/
 458 int
 459 lpfc_hba_down_prep(struct lpfc_hba * phba)
 460 {
 461         /* Disable interrupts */
 462         writel(0, phba->HCregaddr);
 463         readl(phba->HCregaddr); /* flush */
 464
 465         /* Cleanup potential discovery resources */
 466         lpfc_els_flush_rscn(phba);
 467         lpfc_els_flush_cmd(phba);
 468         lpfc_disc_flush_list(phba);
 469
 470         return (0);
 471 }
 472
 473 /************************************************************************/
 474 /*                                                                      */
 475 /*    lpfc_hba_down_post                                                */
 476 /*    This routine will do uninitialization after the HBA is reset      */
 477 /*    when bringing down the SLI Layer.                                 */
 478 /*    This routine returns 0 on success. Any other return value         */
 479 /*    indicates an error.                                               */
 480 /*                                                                      */
 481 /************************************************************************/
 482 int
 483 lpfc_hba_down_post(struct lpfc_hba * phba)
 484 {
 485         struct lpfc_sli *psli = &phba->sli;
 486         struct lpfc_sli_ring *pring;
 487         struct lpfc_dmabuf *mp, *next_mp;
 488         int i;
 489
 490         /* Cleanup preposted buffers on the ELS ring */
 491         pring = &psli->ring[LPFC_ELS_RING];
 492         list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
 493                 list_del(&mp->list);
 494                 pring->postbufq_cnt--;
 495                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 496                 kfree(mp);
 497         }
 498
 499         for (i = 0; i < psli->num_rings; i++) {
 500                 pring = &psli->ring[i];
 501                 lpfc_sli_abort_iocb_ring(phba, pring);
 502         }
 503
 504         return 0;
 505 }
 506
 507 /************************************************************************/
 508 /*                                                                      */
 509 /*    lpfc_handle_eratt                                                 */
 510 /*    This routine will handle processing a Host Attention              */
 511 /*    Error Status event. This will be initialized                      */
 512 /*    as a SLI layer callback routine.                                  */
 513 /*                                                                      */
 514 /************************************************************************/
 515 void
 516 lpfc_handle_eratt(struct lpfc_hba * phba)
 517 {
 518         struct lpfc_sli *psli = &phba->sli;
 519         struct lpfc_sli_ring  *pring;
 520         uint32_t event_data;
 521
 522         if (phba->work_hs & HS_FFER6 ||
 523             phba->work_hs & HS_FFER5) {
 524                 /* Re-establishing Link */
 525                 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
 526                                 "%d:1301 Re-establishing Link "
 527                                 "Data: x%x x%x x%x\n",
 528                                 phba->brd_no, phba->work_hs,
 529                                 phba->work_status[0], phba->work_status[1]);
 530                 spin_lock_irq(phba->host->host_lock);
 531                 phba->fc_flag |= FC_ESTABLISH_LINK;
 532                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 533                 spin_unlock_irq(phba->host->host_lock);
 534
 535                 /*
 536                 * Firmware stops when it triggled erratt with HS_FFER6.
 537                 * That could cause the I/Os dropped by the firmware.
 538                 * Error iocb (I/O) on txcmplq and let the SCSI layer
 539                 * retry it after re-establishing link.
 540                 */
 541                 pring = &psli->ring[psli->fcp_ring];
 542                 lpfc_sli_abort_iocb_ring(phba, pring);
 543
 544
 545                 /*
 546                  * There was a firmware error.  Take the hba offline and then
 547                  * attempt to restart it.
 548                  */
 549                 lpfc_offline(phba);
 550                 lpfc_sli_brdrestart(phba);
 551                 if (lpfc_online(phba) == 0) {   /* Initialize the HBA */
 552                         mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
 553                         return;
 554                 }
 555         } else {
 556                 /* The if clause above forces this code path when the status
 557                  * failure is a value other than FFER6.  Do not call the offline
 558                  *  twice. This is the adapter hardware error path.
 559                  */
 560                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 561                                 "%d:0457 Adapter Hardware Error "
 562                                 "Data: x%x x%x x%x\n",
 563                                 phba->brd_no, phba->work_hs,
 564                                 phba->work_status[0], phba->work_status[1]);
 565
 566                 event_data = FC_REG_DUMP_EVENT;
 567                 fc_host_post_vendor_event(phba->host, fc_get_event_number(),
 568                                 sizeof(event_data), (char *) &event_data,
 569                                 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
 570
 571                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 572                 lpfc_offline(phba);
 573                 phba->hba_state = LPFC_HBA_ERROR;
 574                 lpfc_hba_down_post(phba);
 575         }
 576 }
 577
 578 /************************************************************************/
 579 /*                                                                      */
 580 /*    lpfc_handle_latt                                                  */
 581 /*    This routine will handle processing a Host Attention              */
 582 /*    Link Status event. This will be initialized                       */
 583 /*    as a SLI layer callback routine.                                  */
 584 /*                                                                      */
 585 /************************************************************************/
 586 void
 587 lpfc_handle_latt(struct lpfc_hba * phba)
 588 {
 589         struct lpfc_sli *psli = &phba->sli;
 590         LPFC_MBOXQ_t *pmb;
 591         volatile uint32_t control;
 592         struct lpfc_dmabuf *mp;
 593         int rc = -ENOMEM;
 594
 595         pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 596         if (!pmb)
 597                 goto lpfc_handle_latt_err_exit;
 598
 599         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 600         if (!mp)
 601                 goto lpfc_handle_latt_free_pmb;
 602
 603         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
 604         if (!mp->virt)
 605                 goto lpfc_handle_latt_free_mp;
 606
 607         rc = -EIO;
 608
 609         /* Cleanup any outstanding ELS commands */
 610         lpfc_els_flush_cmd(phba);
 611
 612         psli->slistat.link_event++;
 613         lpfc_read_la(phba, pmb, mp);
 614         pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
 615         rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
 616         if (rc == MBX_NOT_FINISHED)
 617                 goto lpfc_handle_latt_free_mbuf;
 618
 619         /* Clear Link Attention in HA REG */
 620         spin_lock_irq(phba->host->host_lock);
 621         writel(HA_LATT, phba->HAregaddr);
 622         readl(phba->HAregaddr); /* flush */
 623         spin_unlock_irq(phba->host->host_lock);
 624
 625         return;
 626
 627 lpfc_handle_latt_free_mbuf:
 628         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 629 lpfc_handle_latt_free_mp:
 630         kfree(mp);
 631 lpfc_handle_latt_free_pmb:
 632         kfree(pmb);
 633 lpfc_handle_latt_err_exit:
 634         /* Enable Link attention interrupts */
 635         spin_lock_irq(phba->host->host_lock);
 636         psli->sli_flag |= LPFC_PROCESS_LA;
 637         control = readl(phba->HCregaddr);
 638         control |= HC_LAINT_ENA;
 639         writel(control, phba->HCregaddr);
 640         readl(phba->HCregaddr); /* flush */
 641
 642         /* Clear Link Attention in HA REG */
 643         writel(HA_LATT, phba->HAregaddr);
 644         readl(phba->HAregaddr); /* flush */
 645         spin_unlock_irq(phba->host->host_lock);
 646         lpfc_linkdown(phba);
 647         phba->hba_state = LPFC_HBA_ERROR;
 648
 649         /* The other case is an error from issue_mbox */
 650         if (rc == -ENOMEM)
 651                 lpfc_printf_log(phba,
 652                                 KERN_WARNING,
 653                                 LOG_MBOX,
 654                                 "%d:0300 READ_LA: no buffers\n",
 655                                 phba->brd_no);
 656
 657         return;
 658 }
 659
 660 /************************************************************************/
 661 /*                                                                      */
 662 /*   lpfc_parse_vpd                                                     */
 663 /*   This routine will parse the VPD data                               */
 664 /*                                                                      */
 665 /************************************************************************/
 666 static int
 667 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd, int len)
 668 {
 669         uint8_t lenlo, lenhi;
 670         uint32_t Length;
 671         int i, j;
 672         int finished = 0;
 673         int index = 0;
 674
 675         if (!vpd)
 676                 return 0;
 677
 678         /* Vital Product */
 679         lpfc_printf_log(phba,
 680                         KERN_INFO,
 681                         LOG_INIT,
 682                         "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
 683                         phba->brd_no,
 684                         (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
 685                         (uint32_t) vpd[3]);
 686         while (!finished && (index < (len - 4))) {
 687                 switch (vpd[index]) {
 688                 case 0x82:
 689                 case 0x91:
 690                         index += 1;
 691                         lenlo = vpd[index];
 692                         index += 1;
 693                         lenhi = vpd[index];
 694                         index += 1;
 695                         i = ((((unsigned short)lenhi) << 8) + lenlo);
 696                         index += i;
 697                         break;
 698                 case 0x90:
 699                         index += 1;
 700                         lenlo = vpd[index];
 701                         index += 1;
 702                         lenhi = vpd[index];
 703                         index += 1;
 704                         Length = ((((unsigned short)lenhi) << 8) + lenlo);
 705                         if (Length > len - index)
 706                                 Length = len - index;
 707                         while (Length > 0) {
 708                         /* Look for Serial Number */
 709                         if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
 710                                 index += 2;
 711                                 i = vpd[index];
 712                                 index += 1;
 713                                 j = 0;
 714                                 Length -= (3+i);
 715                                 while(i--) {
 716                                         phba->SerialNumber[j++] = vpd[index++];
 717                                         if (j == 31)
 718                                                 break;
 719                                 }
 720                                 phba->SerialNumber[j] = 0;
 721                                 continue;
 722                         }
 723                         else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
 724                                 phba->vpd_flag |= VPD_MODEL_DESC;
 725                                 index += 2;
 726                                 i = vpd[index];
 727                                 index += 1;
 728                                 j = 0;
 729                                 Length -= (3+i);
 730                                 while(i--) {
 731                                         phba->ModelDesc[j++] = vpd[index++];
 732                                         if (j == 255)
 733                                                 break;
 734                                 }
 735                                 phba->ModelDesc[j] = 0;
 736                                 continue;
 737                         }
 738                         else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
 739                                 phba->vpd_flag |= VPD_MODEL_NAME;
 740                                 index += 2;
 741                                 i = vpd[index];
 742                                 index += 1;
 743                                 j = 0;
 744                                 Length -= (3+i);
 745                                 while(i--) {
 746                                         phba->ModelName[j++] = vpd[index++];
 747                                         if (j == 79)
 748                                                 break;
 749                                 }
 750                                 phba->ModelName[j] = 0;
 751                                 continue;
 752                         }
 753                         else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
 754                                 phba->vpd_flag |= VPD_PROGRAM_TYPE;
 755                                 index += 2;
 756                                 i = vpd[index];
 757                                 index += 1;
 758                                 j = 0;
 759                                 Length -= (3+i);
 760                                 while(i--) {
 761                                         phba->ProgramType[j++] = vpd[index++];
 762                                         if (j == 255)
 763                                                 break;
 764                                 }
 765                                 phba->ProgramType[j] = 0;
 766                                 continue;
 767                         }
 768                         else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
 769                                 phba->vpd_flag |= VPD_PORT;
 770                                 index += 2;
 771                                 i = vpd[index];
 772                                 index += 1;
 773                                 j = 0;
 774                                 Length -= (3+i);
 775                                 while(i--) {
 776                                 phba->Port[j++] = vpd[index++];
 777                                 if (j == 19)
 778                                         break;
 779                                 }
 780                                 phba->Port[j] = 0;
 781                                 continue;
 782                         }
 783                         else {
 784                                 index += 2;
 785                                 i = vpd[index];
 786                                 index += 1;
 787                                 index += i;
 788                                 Length -= (3 + i);
 789                         }
 790                 }
 791                 finished = 0;
 792                 break;
 793                 case 0x78:
 794                         finished = 1;
 795                         break;
 796                 default:
 797                         index ++;
 798                         break;
 799                 }
 800         }
 801
 802         return(1);
 803 }
 804
 805 static void
 806 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
 807 {
 808         lpfc_vpd_t *vp;
 809         uint16_t dev_id = phba->pcidev->device;
 810         int max_speed;
 811         struct {
 812                 char * name;
 813                 int    max_speed;
 814                 char * bus;
 815         } m = {"<Unknown>", 0, ""};
 816
 817         if (mdp && mdp[0] != '\0'
 818                 && descp && descp[0] != '\0')
 819                 return;
 820
 821         if (phba->lmt & LMT_10Gb)
 822                 max_speed = 10;
 823         else if (phba->lmt & LMT_8Gb)
 824                 max_speed = 8;
 825         else if (phba->lmt & LMT_4Gb)
 826                 max_speed = 4;
 827         else if (phba->lmt & LMT_2Gb)
 828                 max_speed = 2;
 829         else
 830                 max_speed = 1;
 831
 832         vp = &phba->vpd;
 833
 834         switch (dev_id) {
 835         case PCI_DEVICE_ID_FIREFLY:
 836                 m = (typeof(m)){"LP6000", max_speed, "PCI"};
 837                 break;
 838         case PCI_DEVICE_ID_SUPERFLY:
 839                 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
 840                         m = (typeof(m)){"LP7000", max_speed,  "PCI"};
 841                 else
 842                         m = (typeof(m)){"LP7000E", max_speed, "PCI"};
 843                 break;
 844         case PCI_DEVICE_ID_DRAGONFLY:
 845                 m = (typeof(m)){"LP8000", max_speed, "PCI"};
 846                 break;
 847         case PCI_DEVICE_ID_CENTAUR:
 848                 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
 849                         m = (typeof(m)){"LP9002", max_speed, "PCI"};
 850                 else
 851                         m = (typeof(m)){"LP9000", max_speed, "PCI"};
 852                 break;
 853         case PCI_DEVICE_ID_RFLY:
 854                 m = (typeof(m)){"LP952", max_speed, "PCI"};
 855                 break;
 856         case PCI_DEVICE_ID_PEGASUS:
 857                 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
 858                 break;
 859         case PCI_DEVICE_ID_THOR:
 860                 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
 861                 break;
 862         case PCI_DEVICE_ID_VIPER:
 863                 m = (typeof(m)){"LPX1000", max_speed,  "PCI-X"};
 864                 break;
 865         case PCI_DEVICE_ID_PFLY:
 866                 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
 867                 break;
 868         case PCI_DEVICE_ID_TFLY:
 869                 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
 870                 break;
 871         case PCI_DEVICE_ID_HELIOS:
 872                 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
 873                 break;
 874         case PCI_DEVICE_ID_HELIOS_SCSP:
 875                 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
 876                 break;
 877         case PCI_DEVICE_ID_HELIOS_DCSP:
 878                 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
 879                 break;
 880         case PCI_DEVICE_ID_NEPTUNE:
 881                 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
 882                 break;
 883         case PCI_DEVICE_ID_NEPTUNE_SCSP:
 884                 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
 885                 break;
 886         case PCI_DEVICE_ID_NEPTUNE_DCSP:
 887                 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
 888                 break;
 889         case PCI_DEVICE_ID_BMID:
 890                 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
 891                 break;
 892         case PCI_DEVICE_ID_BSMB:
 893                 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
 894                 break;
 895         case PCI_DEVICE_ID_ZEPHYR:
 896                 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
 897                 break;
 898         case PCI_DEVICE_ID_ZEPHYR_SCSP:
 899                 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
 900                 break;
 901         case PCI_DEVICE_ID_ZEPHYR_DCSP:
 902                 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
 903                 break;
 904         case PCI_DEVICE_ID_ZMID:
 905                 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
 906                 break;
 907         case PCI_DEVICE_ID_ZSMB:
 908                 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
 909                 break;
 910         case PCI_DEVICE_ID_LP101:
 911                 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
 912                 break;
 913         case PCI_DEVICE_ID_LP10000S:
 914                 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
 915                 break;
 916         case PCI_DEVICE_ID_LP11000S:
 917                 m = (typeof(m)){"LP11000-S", max_speed,
 918                         "PCI-X2"};
 919                 break;
 920         case PCI_DEVICE_ID_LPE11000S:
 921                 m = (typeof(m)){"LPe11000-S", max_speed,
 922                         "PCIe"};
 923                 break;
 924         default:
 925                 m = (typeof(m)){ NULL };
 926                 break;
 927         }
 928
 929         if (mdp && mdp[0] == '\0')
 930                 snprintf(mdp, 79,"%s", m.name);
 931         if (descp && descp[0] == '\0')
 932                 snprintf(descp, 255,
 933                          "Emulex %s %dGb %s Fibre Channel Adapter",
 934                          m.name, m.max_speed, m.bus);
 935 }
 936
 937 /**************************************************/
 938 /*   lpfc_post_buffer                             */
 939 /*                                                */
 940 /*   This routine will post count buffers to the  */
 941 /*   ring with the QUE_RING_BUF_CN command. This  */
 942 /*   allows 3 buffers / command to be posted.     */
 943 /*   Returns the number of buffers NOT posted.    */
 944 /**************************************************/
 945 int
 946 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
 947                  int type)
 948 {
 949         IOCB_t *icmd;
 950         struct lpfc_iocbq *iocb;
 951         struct lpfc_dmabuf *mp1, *mp2;
 952
 953         cnt += pring->missbufcnt;
 954
 955         /* While there are buffers to post */
 956         while (cnt > 0) {
 957                 /* Allocate buffer for  command iocb */
 958                 spin_lock_irq(phba->host->host_lock);
 959                 iocb = lpfc_sli_get_iocbq(phba);
 960                 spin_unlock_irq(phba->host->host_lock);
 961                 if (iocb == NULL) {
 962                         pring->missbufcnt = cnt;
 963                         return cnt;
 964                 }
 965                 icmd = &iocb->iocb;
 966
 967                 /* 2 buffers can be posted per command */
 968                 /* Allocate buffer to post */
 969                 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
 970                 if (mp1)
 971                     mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
 972                                                 &mp1->phys);
 973                 if (mp1 == 0 || mp1->virt == 0) {
 974                         kfree(mp1);
 975                         spin_lock_irq(phba->host->host_lock);
 976                         lpfc_sli_release_iocbq(phba, iocb);
 977                         spin_unlock_irq(phba->host->host_lock);
 978                         pring->missbufcnt = cnt;
 979                         return cnt;
 980                 }
 981
 982                 INIT_LIST_HEAD(&mp1->list);
 983                 /* Allocate buffer to post */
 984                 if (cnt > 1) {
 985                         mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
 986                         if (mp2)
 987                                 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
 988                                                             &mp2->phys);
 989                         if (mp2 == 0 || mp2->virt == 0) {
 990                                 kfree(mp2);
 991                                 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
 992                                 kfree(mp1);
 993                                 spin_lock_irq(phba->host->host_lock);
 994                                 lpfc_sli_release_iocbq(phba, iocb);
 995                                 spin_unlock_irq(phba->host->host_lock);
 996                                 pring->missbufcnt = cnt;
 997                                 return cnt;
 998                         }
 999
1000                         INIT_LIST_HEAD(&mp2->list);
1001                 } else {
1002                         mp2 = NULL;
1003                 }
1004
1005                 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1006                 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1007                 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1008                 icmd->ulpBdeCount = 1;
1009                 cnt--;
1010                 if (mp2) {
1011                         icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1012                         icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1013                         icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1014                         cnt--;
1015                         icmd->ulpBdeCount = 2;
1016                 }
1017
1018                 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1019                 icmd->ulpLe = 1;
1020
1021                 spin_lock_irq(phba->host->host_lock);
1022                 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1023                         lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1024                         kfree(mp1);
1025                         cnt++;
1026                         if (mp2) {
1027                                 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1028                                 kfree(mp2);
1029                                 cnt++;
1030                         }
1031                         lpfc_sli_release_iocbq(phba, iocb);
1032                         pring->missbufcnt = cnt;
1033                         spin_unlock_irq(phba->host->host_lock);
1034                         return cnt;
1035                 }
1036                 spin_unlock_irq(phba->host->host_lock);
1037                 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1038                 if (mp2) {
1039                         lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1040                 }
1041         }
1042         pring->missbufcnt = 0;
1043         return 0;
1044 }
1045
1046 /************************************************************************/
1047 /*                                                                      */
1048 /*   lpfc_post_rcv_buf                                                  */
1049 /*   This routine post initial rcv buffers to the configured rings      */
1050 /*                                                                      */
1051 /************************************************************************/
1052 static int
1053 lpfc_post_rcv_buf(struct lpfc_hba * phba)
1054 {
1055         struct lpfc_sli *psli = &phba->sli;
1056
1057         /* Ring 0, ELS / CT buffers */
1058         lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1059         /* Ring 2 - FCP no buffers needed */
1060
1061         return 0;
1062 }
1063
1064 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1065
1066 /************************************************************************/
1067 /*                                                                      */
1068 /*   lpfc_sha_init                                                      */
1069 /*                                                                      */
1070 /************************************************************************/
1071 static void
1072 lpfc_sha_init(uint32_t * HashResultPointer)
1073 {
1074         HashResultPointer[0] = 0x67452301;
1075         HashResultPointer[1] = 0xEFCDAB89;
1076         HashResultPointer[2] = 0x98BADCFE;
1077         HashResultPointer[3] = 0x10325476;
1078         HashResultPointer[4] = 0xC3D2E1F0;
1079 }
1080
1081 /************************************************************************/
1082 /*                                                                      */
1083 /*   lpfc_sha_iterate                                                   */
1084 /*                                                                      */
1085 /************************************************************************/
1086 static void
1087 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1088 {
1089         int t;
1090         uint32_t TEMP;
1091         uint32_t A, B, C, D, E;
1092         t = 16;
1093         do {
1094                 HashWorkingPointer[t] =
1095                     S(1,
1096                       HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1097                                                                      8] ^
1098                       HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1099         } while (++t <= 79);
1100         t = 0;
1101         A = HashResultPointer[0];
1102         B = HashResultPointer[1];
1103         C = HashResultPointer[2];
1104         D = HashResultPointer[3];
1105         E = HashResultPointer[4];
1106
1107         do {
1108                 if (t < 20) {
1109                         TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1110                 } else if (t < 40) {
1111                         TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1112                 } else if (t < 60) {
1113                         TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1114                 } else {
1115                         TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1116                 }
1117                 TEMP += S(5, A) + E + HashWorkingPointer[t];
1118                 E = D;
1119                 D = C;
1120                 C = S(30, B);
1121                 B = A;
1122                 A = TEMP;
1123         } while (++t <= 79);
1124
1125         HashResultPointer[0] += A;
1126         HashResultPointer[1] += B;
1127         HashResultPointer[2] += C;
1128         HashResultPointer[3] += D;
1129         HashResultPointer[4] += E;
1130
1131 }
1132
1133 /************************************************************************/
1134 /*                                                                      */
1135 /*   lpfc_challenge_key                                                 */
1136 /*                                                                      */
1137 /************************************************************************/
1138 static void
1139 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1140 {
1141         *HashWorking = (*RandomChallenge ^ *HashWorking);
1142 }
1143
1144 /************************************************************************/
1145 /*                                                                      */
1146 /*   lpfc_hba_init                                                      */
1147 /*                                                                      */
1148 /************************************************************************/
1149 void
1150 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1151 {
1152         int t;
1153         uint32_t *HashWorking;
1154         uint32_t *pwwnn = phba->wwnn;
1155
1156         HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1157         if (!HashWorking)
1158                 return;
1159
1160         memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1161         HashWorking[0] = HashWorking[78] = *pwwnn++;
1162         HashWorking[1] = HashWorking[79] = *pwwnn;
1163
1164         for (t = 0; t < 7; t++)
1165                 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1166
1167         lpfc_sha_init(hbainit);
1168         lpfc_sha_iterate(hbainit, HashWorking);
1169         kfree(HashWorking);
1170 }
1171
1172 static void
1173 lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind)
1174 {
1175         struct lpfc_nodelist *ndlp, *next_ndlp;
1176
1177         /* clean up phba - lpfc specific */
1178         lpfc_can_disctmo(phba);
1179         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
1180                                 nlp_listp) {
1181                 lpfc_nlp_remove(phba, ndlp);
1182         }
1183
1184         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1185                                  nlp_listp) {
1186                 lpfc_nlp_remove(phba, ndlp);
1187         }
1188
1189         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
1190                                 nlp_listp) {
1191                 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1192         }
1193
1194         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1195                                 nlp_listp) {
1196                 lpfc_nlp_remove(phba, ndlp);
1197         }
1198
1199         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1200                                 nlp_listp) {
1201                 lpfc_nlp_remove(phba, ndlp);
1202         }
1203
1204         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
1205                                 nlp_listp) {
1206                 lpfc_nlp_remove(phba, ndlp);
1207         }
1208
1209         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1210                                 nlp_listp) {
1211                 lpfc_nlp_remove(phba, ndlp);
1212         }
1213
1214         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1215                                 nlp_listp) {
1216                 lpfc_nlp_remove(phba, ndlp);
1217         }
1218
1219         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1220         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1221         INIT_LIST_HEAD(&phba->fc_unused_list);
1222         INIT_LIST_HEAD(&phba->fc_plogi_list);
1223         INIT_LIST_HEAD(&phba->fc_adisc_list);
1224         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1225         INIT_LIST_HEAD(&phba->fc_prli_list);
1226         INIT_LIST_HEAD(&phba->fc_npr_list);
1227
1228         phba->fc_map_cnt   = 0;
1229         phba->fc_unmap_cnt = 0;
1230         phba->fc_plogi_cnt = 0;
1231         phba->fc_adisc_cnt = 0;
1232         phba->fc_reglogin_cnt = 0;
1233         phba->fc_prli_cnt  = 0;
1234         phba->fc_npr_cnt   = 0;
1235         phba->fc_unused_cnt= 0;
1236         return;
1237 }
1238
1239 static void
1240 lpfc_establish_link_tmo(unsigned long ptr)
1241 {
1242         struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1243         unsigned long iflag;
1244
1245
1246         /* Re-establishing Link, timer expired */
1247         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1248                         "%d:1300 Re-establishing Link, timer expired "
1249                         "Data: x%x x%x\n",
1250                         phba->brd_no, phba->fc_flag, phba->hba_state);
1251         spin_lock_irqsave(phba->host->host_lock, iflag);
1252         phba->fc_flag &= ~FC_ESTABLISH_LINK;
1253         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1254 }
1255
1256 static int
1257 lpfc_stop_timer(struct lpfc_hba * phba)
1258 {
1259         struct lpfc_sli *psli = &phba->sli;
1260
1261         /* Instead of a timer, this has been converted to a
1262          * deferred procedding list.
1263          */
1264         while (!list_empty(&phba->freebufList)) {
1265
1266                 struct lpfc_dmabuf *mp = NULL;
1267
1268                 list_remove_head((&phba->freebufList), mp,
1269                                  struct lpfc_dmabuf, list);
1270                 if (mp) {
1271                         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1272                         kfree(mp);
1273                 }
1274         }
1275
1276         del_timer_sync(&phba->fcp_poll_timer);
1277         del_timer_sync(&phba->fc_estabtmo);
1278         del_timer_sync(&phba->fc_disctmo);
1279         del_timer_sync(&phba->fc_fdmitmo);
1280         del_timer_sync(&phba->els_tmofunc);
1281         psli = &phba->sli;
1282         del_timer_sync(&psli->mbox_tmo);
1283         return(1);
1284 }
1285
1286 int
1287 lpfc_online(struct lpfc_hba * phba)
1288 {
1289         if (!phba)
1290                 return 0;
1291
1292         if (!(phba->fc_flag & FC_OFFLINE_MODE))
1293                 return 0;
1294
1295         lpfc_printf_log(phba,
1296                        KERN_WARNING,
1297                        LOG_INIT,
1298                        "%d:0458 Bring Adapter online\n",
1299                        phba->brd_no);
1300
1301         if (!lpfc_sli_queue_setup(phba))
1302                 return 1;
1303
1304         if (lpfc_sli_hba_setup(phba))   /* Initialize the HBA */
1305                 return 1;
1306
1307         spin_lock_irq(phba->host->host_lock);
1308         phba->fc_flag &= ~FC_OFFLINE_MODE;
1309         spin_unlock_irq(phba->host->host_lock);
1310
1311         return 0;
1312 }
1313
1314 int
1315 lpfc_offline(struct lpfc_hba * phba)
1316 {
1317         struct lpfc_sli_ring *pring;
1318         struct lpfc_sli *psli;
1319         unsigned long iflag;
1320         int i;
1321         int cnt = 0;
1322
1323         if (!phba)
1324                 return 0;
1325
1326         if (phba->fc_flag & FC_OFFLINE_MODE)
1327                 return 0;
1328
1329         psli = &phba->sli;
1330
1331         lpfc_linkdown(phba);
1332         lpfc_sli_flush_mbox_queue(phba);
1333
1334         for (i = 0; i < psli->num_rings; i++) {
1335                 pring = &psli->ring[i];
1336                 /* The linkdown event takes 30 seconds to timeout. */
1337                 while (pring->txcmplq_cnt) {
1338                         mdelay(10);
1339                         if (cnt++ > 3000) {
1340                                 lpfc_printf_log(phba,
1341                                         KERN_WARNING, LOG_INIT,
1342                                         "%d:0466 Outstanding IO when "
1343                                         "bringing Adapter offline\n",
1344                                         phba->brd_no);
1345                                 break;
1346                         }
1347                 }
1348         }
1349
1350
1351         /* stop all timers associated with this hba */
1352         lpfc_stop_timer(phba);
1353         phba->work_hba_events = 0;
1354         phba->work_ha = 0;
1355
1356         lpfc_printf_log(phba,
1357                        KERN_WARNING,
1358                        LOG_INIT,
1359                        "%d:0460 Bring Adapter offline\n",
1360                        phba->brd_no);
1361
1362         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1363            now.  */
1364         lpfc_sli_hba_down(phba);
1365         lpfc_cleanup(phba, 1);
1366         spin_lock_irqsave(phba->host->host_lock, iflag);
1367         phba->fc_flag |= FC_OFFLINE_MODE;
1368         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1369         return 0;
1370 }
1371
1372 /******************************************************************************
1373 * Function name: lpfc_scsi_free
1374 *
1375 * Description: Called from lpfc_pci_remove_one free internal driver resources
1376 *
1377 ******************************************************************************/
1378 static int
1379 lpfc_scsi_free(struct lpfc_hba * phba)
1380 {
1381         struct lpfc_scsi_buf *sb, *sb_next;
1382         struct lpfc_iocbq *io, *io_next;
1383
1384         spin_lock_irq(phba->host->host_lock);
1385         /* Release all the lpfc_scsi_bufs maintained by this host. */
1386         list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1387                 list_del(&sb->list);
1388                 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1389                                                                 sb->dma_handle);
1390                 kfree(sb);
1391                 phba->total_scsi_bufs--;
1392         }
1393
1394         /* Release all the lpfc_iocbq entries maintained by this host. */
1395         list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1396                 list_del(&io->list);
1397                 kfree(io);
1398                 phba->total_iocbq_bufs--;
1399         }
1400
1401         spin_unlock_irq(phba->host->host_lock);
1402
1403         return 0;
1404 }
1405
1406
1407 static int __devinit
1408 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1409 {
1410         struct Scsi_Host *host;
1411         struct lpfc_hba  *phba;
1412         struct lpfc_sli  *psli;
1413         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1414         unsigned long bar0map_len, bar2map_len;
1415         int error = -ENODEV, retval;
1416         int i;
1417         uint16_t iotag;
1418
1419         if (pci_enable_device(pdev))
1420                 goto out;
1421         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1422                 goto out_disable_device;
1423
1424         host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
1425         if (!host)
1426                 goto out_release_regions;
1427
1428         phba = (struct lpfc_hba*)host->hostdata;
1429         memset(phba, 0, sizeof (struct lpfc_hba));
1430         phba->host = host;
1431
1432         phba->fc_flag |= FC_LOADING;
1433         phba->pcidev = pdev;
1434
1435         /* Assign an unused board number */
1436         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1437                 goto out_put_host;
1438
1439         error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
1440         if (error)
1441                 goto out_put_host;
1442
1443         host->unique_id = phba->brd_no;
1444         INIT_LIST_HEAD(&phba->ctrspbuflist);
1445         INIT_LIST_HEAD(&phba->rnidrspbuflist);
1446         INIT_LIST_HEAD(&phba->freebufList);
1447
1448         /* Initialize timers used by driver */
1449         init_timer(&phba->fc_estabtmo);
1450         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1451         phba->fc_estabtmo.data = (unsigned long)phba;
1452         init_timer(&phba->fc_disctmo);
1453         phba->fc_disctmo.function = lpfc_disc_timeout;
1454         phba->fc_disctmo.data = (unsigned long)phba;
1455
1456         init_timer(&phba->fc_fdmitmo);
1457         phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
1458         phba->fc_fdmitmo.data = (unsigned long)phba;
1459         init_timer(&phba->els_tmofunc);
1460         phba->els_tmofunc.function = lpfc_els_timeout;
1461         phba->els_tmofunc.data = (unsigned long)phba;
1462         psli = &phba->sli;
1463         init_timer(&psli->mbox_tmo);
1464         psli->mbox_tmo.function = lpfc_mbox_timeout;
1465         psli->mbox_tmo.data = (unsigned long)phba;
1466
1467         init_timer(&phba->fcp_poll_timer);
1468         phba->fcp_poll_timer.function = lpfc_poll_timeout;
1469         phba->fcp_poll_timer.data = (unsigned long)phba;
1470
1471         /*
1472          * Get all the module params for configuring this host and then
1473          * establish the host parameters.
1474          */
1475         lpfc_get_cfgparam(phba);
1476
1477         host->max_id = LPFC_MAX_TARGET;
1478         host->max_lun = phba->cfg_max_luns;
1479         host->this_id = -1;
1480
1481         /* Initialize all internally managed lists. */
1482         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1483         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1484         INIT_LIST_HEAD(&phba->fc_unused_list);
1485         INIT_LIST_HEAD(&phba->fc_plogi_list);
1486         INIT_LIST_HEAD(&phba->fc_adisc_list);
1487         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1488         INIT_LIST_HEAD(&phba->fc_prli_list);
1489         INIT_LIST_HEAD(&phba->fc_npr_list);
1490
1491
1492         pci_set_master(pdev);
1493         retval = pci_set_mwi(pdev);
1494         if (retval)
1495                 dev_printk(KERN_WARNING, &pdev->dev,
1496                            "Warning: pci_set_mwi returned %d\n", retval);
1497
1498         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1499                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1500                         goto out_idr_remove;
1501
1502         /*
1503          * Get the bus address of Bar0 and Bar2 and the number of bytes
1504          * required by each mapping.
1505          */
1506         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1507         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1508
1509         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1510         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1511
1512         /* Map HBA SLIM to a kernel virtual address. */
1513         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1514         if (!phba->slim_memmap_p) {
1515                 error = -ENODEV;
1516                 dev_printk(KERN_ERR, &pdev->dev,
1517                            "ioremap failed for SLIM memory.\n");
1518                 goto out_idr_remove;
1519         }
1520
1521         /* Map HBA Control Registers to a kernel virtual address. */
1522         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1523         if (!phba->ctrl_regs_memmap_p) {
1524                 error = -ENODEV;
1525                 dev_printk(KERN_ERR, &pdev->dev,
1526                            "ioremap failed for HBA control registers.\n");
1527                 goto out_iounmap_slim;
1528         }
1529
1530         /* Allocate memory for SLI-2 structures */
1531         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1532                                           &phba->slim2p_mapping, GFP_KERNEL);
1533         if (!phba->slim2p)
1534                 goto out_iounmap;
1535
1536         memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1537
1538         /* Initialize the SLI Layer to run with lpfc HBAs. */
1539         lpfc_sli_setup(phba);
1540         lpfc_sli_queue_setup(phba);
1541
1542         error = lpfc_mem_alloc(phba);
1543         if (error)
1544                 goto out_free_slim;
1545
1546         /* Initialize and populate the iocb list per host.  */
1547         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1548         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1549                 iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1550                 if (iocbq_entry == NULL) {
1551                         printk(KERN_ERR "%s: only allocated %d iocbs of "
1552                                 "expected %d count. Unloading driver.\n",
1553                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1554                         error = -ENOMEM;
1555                         goto out_free_iocbq;
1556                 }
1557
1558                 memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
1559                 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1560                 if (iotag == 0) {
1561                         kfree (iocbq_entry);
1562                         printk(KERN_ERR "%s: failed to allocate IOTAG. "
1563                                "Unloading driver.\n",
1564                                 __FUNCTION__);
1565                         error = -ENOMEM;
1566                         goto out_free_iocbq;
1567                 }
1568                 spin_lock_irq(phba->host->host_lock);
1569                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1570                 phba->total_iocbq_bufs++;
1571                 spin_unlock_irq(phba->host->host_lock);
1572         }
1573
1574         /* Initialize HBA structure */
1575         phba->fc_edtov = FF_DEF_EDTOV;
1576         phba->fc_ratov = FF_DEF_RATOV;
1577         phba->fc_altov = FF_DEF_ALTOV;
1578         phba->fc_arbtov = FF_DEF_ARBTOV;
1579
1580         INIT_LIST_HEAD(&phba->work_list);
1581         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1582         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1583
1584         /* Startup the kernel thread for this host adapter. */
1585         phba->worker_thread = kthread_run(lpfc_do_work, phba,
1586                                        "lpfc_worker_%d", phba->brd_no);
1587         if (IS_ERR(phba->worker_thread)) {
1588                 error = PTR_ERR(phba->worker_thread);
1589                 goto out_free_iocbq;
1590         }
1591
1592         /*
1593          * Set initial can_queue value since 0 is no longer supported and
1594          * scsi_add_host will fail. This will be adjusted later based on the
1595          * max xri value determined in hba setup.
1596          */
1597         host->can_queue = phba->cfg_hba_queue_depth - 10;
1598
1599         /* Tell the midlayer we support 16 byte commands */
1600         host->max_cmd_len = 16;
1601
1602         /* Initialize the list of scsi buffers used by driver for scsi IO. */
1603         spin_lock_init(&phba->scsi_buf_list_lock);
1604         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1605
1606         host->transportt = lpfc_transport_template;
1607         pci_set_drvdata(pdev, host);
1608         error = scsi_add_host(host, &pdev->dev);
1609         if (error)
1610                 goto out_kthread_stop;
1611
1612         error = lpfc_alloc_sysfs_attr(phba);
1613         if (error)
1614                 goto out_remove_host;
1615
1616         if (phba->cfg_use_msi) {
1617                 error = pci_enable_msi(phba->pcidev);
1618                 if (error)
1619                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "%d:0452 "
1620                                         "Enable MSI failed, continuing with "
1621                                         "IRQ\n", phba->brd_no);
1622         }
1623
1624         error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
1625                                                         LPFC_DRIVER_NAME, phba);
1626         if (error) {
1627                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1628                         "%d:0451 Enable interrupt handler failed\n",
1629                         phba->brd_no);
1630                 goto out_free_sysfs_attr;
1631         }
1632         phba->MBslimaddr = phba->slim_memmap_p;
1633         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1634         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1635         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1636         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1637
1638         error = lpfc_sli_hba_setup(phba);
1639         if (error) {
1640                 error = -ENODEV;
1641                 goto out_free_irq;
1642         }
1643
1644         /*
1645          * hba setup may have changed the hba_queue_depth so we need to adjust
1646          * the value of can_queue.
1647          */
1648         host->can_queue = phba->cfg_hba_queue_depth - 10;
1649
1650         lpfc_discovery_wait(phba);
1651
1652         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1653                 spin_lock_irq(phba->host->host_lock);
1654                 lpfc_poll_start_timer(phba);
1655                 spin_unlock_irq(phba->host->host_lock);
1656         }
1657
1658         /*
1659          * set fixed host attributes
1660          * Must done after lpfc_sli_hba_setup()
1661          */
1662
1663         fc_host_node_name(host) = wwn_to_u64(phba->fc_nodename.u.wwn);
1664         fc_host_port_name(host) = wwn_to_u64(phba->fc_portname.u.wwn);
1665         fc_host_supported_classes(host) = FC_COS_CLASS3;
1666
1667         memset(fc_host_supported_fc4s(host), 0,
1668                 sizeof(fc_host_supported_fc4s(host)));
1669         fc_host_supported_fc4s(host)[2] = 1;
1670         fc_host_supported_fc4s(host)[7] = 1;
1671
1672         lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host));
1673
1674         fc_host_supported_speeds(host) = 0;
1675         if (phba->lmt & LMT_10Gb)
1676                 fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT;
1677         if (phba->lmt & LMT_4Gb)
1678                 fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT;
1679         if (phba->lmt & LMT_2Gb)
1680                 fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT;
1681         if (phba->lmt & LMT_1Gb)
1682                 fc_host_supported_speeds(host) |= FC_PORTSPEED_1GBIT;
1683
1684         fc_host_maxframe_size(host) =
1685                 ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1686                  (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
1687
1688         /* This value is also unchanging */
1689         memset(fc_host_active_fc4s(host), 0,
1690                 sizeof(fc_host_active_fc4s(host)));
1691         fc_host_active_fc4s(host)[2] = 1;
1692         fc_host_active_fc4s(host)[7] = 1;
1693
1694         spin_lock_irq(phba->host->host_lock);
1695         phba->fc_flag &= ~FC_LOADING;
1696         spin_unlock_irq(phba->host->host_lock);
1697         return 0;
1698
1699 out_free_irq:
1700         lpfc_stop_timer(phba);
1701         phba->work_hba_events = 0;
1702         free_irq(phba->pcidev->irq, phba);
1703         pci_disable_msi(phba->pcidev);
1704 out_free_sysfs_attr:
1705         lpfc_free_sysfs_attr(phba);
1706 out_remove_host:
1707         fc_remove_host(phba->host);
1708         scsi_remove_host(phba->host);
1709 out_kthread_stop:
1710         kthread_stop(phba->worker_thread);
1711 out_free_iocbq:
1712         list_for_each_entry_safe(iocbq_entry, iocbq_next,
1713                                                 &phba->lpfc_iocb_list, list) {
1714                 spin_lock_irq(phba->host->host_lock);
1715                 kfree(iocbq_entry);
1716                 phba->total_iocbq_bufs--;
1717                 spin_unlock_irq(phba->host->host_lock);
1718         }
1719         lpfc_mem_free(phba);
1720 out_free_slim:
1721         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1722                                                         phba->slim2p_mapping);
1723 out_iounmap:
1724         iounmap(phba->ctrl_regs_memmap_p);
1725 out_iounmap_slim:
1726         iounmap(phba->slim_memmap_p);
1727 out_idr_remove:
1728         idr_remove(&lpfc_hba_index, phba->brd_no);
1729 out_put_host:
1730         phba->host = NULL;
1731         scsi_host_put(host);
1732 out_release_regions:
1733         pci_release_regions(pdev);
1734 out_disable_device:
1735         pci_disable_device(pdev);
1736 out:
1737         pci_set_drvdata(pdev, NULL);
1738         return error;
1739 }
1740
1741 static void __devexit
1742 lpfc_pci_remove_one(struct pci_dev *pdev)
1743 {
1744         struct Scsi_Host   *host = pci_get_drvdata(pdev);
1745         struct lpfc_hba    *phba = (struct lpfc_hba *)host->hostdata;
1746         unsigned long iflag;
1747
1748         lpfc_free_sysfs_attr(phba);
1749
1750         spin_lock_irqsave(phba->host->host_lock, iflag);
1751         phba->fc_flag |= FC_UNLOADING;
1752
1753         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1754
1755         fc_remove_host(phba->host);
1756         scsi_remove_host(phba->host);
1757
1758         kthread_stop(phba->worker_thread);
1759
1760         /*
1761          * Bring down the SLI Layer. This step disable all interrupts,
1762          * clears the rings, discards all mailbox commands, and resets
1763          * the HBA.
1764          */
1765         lpfc_sli_hba_down(phba);
1766         lpfc_sli_brdrestart(phba);
1767
1768         /* Release the irq reservation */
1769         free_irq(phba->pcidev->irq, phba);
1770         pci_disable_msi(phba->pcidev);
1771
1772         lpfc_cleanup(phba, 0);
1773         lpfc_stop_timer(phba);
1774         phba->work_hba_events = 0;
1775
1776         /*
1777          * Call scsi_free before mem_free since scsi bufs are released to their
1778          * corresponding pools here.
1779          */
1780         lpfc_scsi_free(phba);
1781         lpfc_mem_free(phba);
1782
1783         /* Free resources associated with SLI2 interface */
1784         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
1785                           phba->slim2p, phba->slim2p_mapping);
1786
1787         /* unmap adapter SLIM and Control Registers */
1788         iounmap(phba->ctrl_regs_memmap_p);
1789         iounmap(phba->slim_memmap_p);
1790
1791         pci_release_regions(phba->pcidev);
1792         pci_disable_device(phba->pcidev);
1793
1794         idr_remove(&lpfc_hba_index, phba->brd_no);
1795         scsi_host_put(phba->host);
1796
1797         pci_set_drvdata(pdev, NULL);
1798 }
1799
1800 static struct pci_device_id lpfc_id_table[] = {
1801         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
1802                 PCI_ANY_ID, PCI_ANY_ID, },
1803         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
1804                 PCI_ANY_ID, PCI_ANY_ID, },
1805         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
1806                 PCI_ANY_ID, PCI_ANY_ID, },
1807         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
1808                 PCI_ANY_ID, PCI_ANY_ID, },
1809         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
1810                 PCI_ANY_ID, PCI_ANY_ID, },
1811         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
1812                 PCI_ANY_ID, PCI_ANY_ID, },
1813         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
1814                 PCI_ANY_ID, PCI_ANY_ID, },
1815         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
1816                 PCI_ANY_ID, PCI_ANY_ID, },
1817         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
1818                 PCI_ANY_ID, PCI_ANY_ID, },
1819         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
1820                 PCI_ANY_ID, PCI_ANY_ID, },
1821         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
1822                 PCI_ANY_ID, PCI_ANY_ID, },
1823         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
1824                 PCI_ANY_ID, PCI_ANY_ID, },
1825         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
1826                 PCI_ANY_ID, PCI_ANY_ID, },
1827         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
1828                 PCI_ANY_ID, PCI_ANY_ID, },
1829         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
1830                 PCI_ANY_ID, PCI_ANY_ID, },
1831         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
1832                 PCI_ANY_ID, PCI_ANY_ID, },
1833         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
1834                 PCI_ANY_ID, PCI_ANY_ID, },
1835         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
1836                 PCI_ANY_ID, PCI_ANY_ID, },
1837         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
1838                 PCI_ANY_ID, PCI_ANY_ID, },
1839         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
1840                 PCI_ANY_ID, PCI_ANY_ID, },
1841         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
1842                 PCI_ANY_ID, PCI_ANY_ID, },
1843         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
1844                 PCI_ANY_ID, PCI_ANY_ID, },
1845         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
1846                 PCI_ANY_ID, PCI_ANY_ID, },
1847         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
1848                 PCI_ANY_ID, PCI_ANY_ID, },
1849         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
1850                 PCI_ANY_ID, PCI_ANY_ID, },
1851         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
1852                 PCI_ANY_ID, PCI_ANY_ID, },
1853         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
1854                 PCI_ANY_ID, PCI_ANY_ID, },
1855         { 0 }
1856 };
1857
1858 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
1859
1860 static struct pci_driver lpfc_driver = {
1861         .name           = LPFC_DRIVER_NAME,
1862         .id_table       = lpfc_id_table,
1863         .probe          = lpfc_pci_probe_one,
1864         .remove         = __devexit_p(lpfc_pci_remove_one),
1865 };
1866
1867 static int __init
1868 lpfc_init(void)
1869 {
1870         int error = 0;
1871
1872         printk(LPFC_MODULE_DESC "\n");
1873         printk(LPFC_COPYRIGHT "\n");
1874
1875         lpfc_transport_template =
1876                                 fc_attach_transport(&lpfc_transport_functions);
1877         if (!lpfc_transport_template)
1878                 return -ENOMEM;
1879         error = pci_register_driver(&lpfc_driver);
1880         if (error)
1881                 fc_release_transport(lpfc_transport_template);
1882
1883         return error;
1884 }
1885
1886 static void __exit
1887 lpfc_exit(void)
1888 {
1889         pci_unregister_driver(&lpfc_driver);
1890         fc_release_transport(lpfc_transport_template);
1891 }
1892
1893 module_init(lpfc_init);
1894 module_exit(lpfc_exit);
1895 MODULE_LICENSE("GPL");
1896 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
1897 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1898 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);