drivers/scsi/lpfc/lpfc_init.c

   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Enterprise Fibre Channel Host Bus Adapters.                     *
   4  * Refer to the README file included with this package for         *
   5  * driver version and adapter support.                             *
   6  * Copyright (C) 2004 Emulex Corporation.                          *
   7  * www.emulex.com                                                  *
   8  *                                                                 *
   9  * This program is free software; you can redistribute it and/or   *
  10  * modify it under the terms of the GNU General Public License     *
  11  * as published by the Free Software Foundation; either version 2  *
  12  * of the License, or (at your option) any later version.          *
  13  *                                                                 *
  14  * This program is distributed in the hope that it will be useful, *
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of  *
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   *
  17  * GNU General Public License for more details, a copy of which    *
  18  * can be found in the file COPYING included with this package.    *
  19  *******************************************************************/
  20
  21 /*
  22  * $Id: lpfc_init.c 1.233 2005/04/13 11:59:09EDT sf_support Exp  $
  23  */
  24
  25 #include <linux/blkdev.h>
  26 #include <linux/delay.h>
  27 #include <linux/dma-mapping.h>
  28 #include <linux/idr.h>
  29 #include <linux/interrupt.h>
  30 #include <linux/kthread.h>
  31 #include <linux/pci.h>
  32 #include <linux/spinlock.h>
  33
  34 #include <scsi/scsi_device.h>
  35 #include <scsi/scsi_host.h>
  36 #include <scsi/scsi_transport_fc.h>
  37
  38 #include "lpfc_hw.h"
  39 #include "lpfc_sli.h"
  40 #include "lpfc_disc.h"
  41 #include "lpfc_scsi.h"
  42 #include "lpfc.h"
  43 #include "lpfc_logmsg.h"
  44 #include "lpfc_crtn.h"
  45 #include "lpfc_version.h"
  46
  47 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *);
  48 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
  49 static int lpfc_post_rcv_buf(struct lpfc_hba *);
  50
  51 static struct scsi_transport_template *lpfc_transport_template = NULL;
  52 static DEFINE_IDR(lpfc_hba_index);
  53
  54 /************************************************************************/
  55 /*                                                                      */
  56 /*    lpfc_config_port_prep                                             */
  57 /*    This routine will do LPFC initialization prior to the             */
  58 /*    CONFIG_PORT mailbox command. This will be initialized             */
  59 /*    as a SLI layer callback routine.                                  */
  60 /*    This routine returns 0 on success or -ERESTART if it wants        */
  61 /*    the SLI layer to reset the HBA and try again. Any                 */
  62 /*    other return value indicates an error.                            */
  63 /*                                                                      */
  64 /************************************************************************/
  65 int
  66 lpfc_config_port_prep(struct lpfc_hba * phba)
  67 {
  68         lpfc_vpd_t *vp = &phba->vpd;
  69         int i = 0, rc;
  70         LPFC_MBOXQ_t *pmb;
  71         MAILBOX_t *mb;
  72         char *lpfc_vpd_data = NULL;
  73         uint16_t offset = 0;
  74         static char licensed[56] =
  75                     "key unlock for use with gnu public licensed code only\0";
  76
  77         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
  78         if (!pmb) {
  79                 phba->hba_state = LPFC_HBA_ERROR;
  80                 return -ENOMEM;
  81         }
  82
  83         mb = &pmb->mb;
  84         phba->hba_state = LPFC_INIT_MBX_CMDS;
  85
  86         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
  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
  92                 lpfc_read_nv(phba, pmb);
  93                 memset((char*)mb->un.varRDnvp.rsvd3, 0,
  94                         sizeof (mb->un.varRDnvp.rsvd3));
  95                 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
  96                          sizeof (licensed));
  97
  98                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
  99
 100                 if (rc != MBX_SUCCESS) {
 101                         lpfc_printf_log(phba,
 102                                         KERN_ERR,
 103                                         LOG_MBOX,
 104                                         "%d:0324 Config Port initialization "
 105                                         "error, mbxCmd x%x READ_NVPARM, "
 106                                         "mbxStatus x%x\n",
 107                                         phba->brd_no,
 108                                         mb->mbxCommand, mb->mbxStatus);
 109                         mempool_free(pmb, phba->mbox_mem_pool);
 110                         return -ERESTART;
 111                 }
 112                 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
 113                        sizeof (mb->un.varRDnvp.nodename));
 114         }
 115
 116         /* Setup and issue mailbox READ REV command */
 117         lpfc_read_rev(phba, pmb);
 118         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 119         if (rc != MBX_SUCCESS) {
 120                 lpfc_printf_log(phba,
 121                                 KERN_ERR,
 122                                 LOG_INIT,
 123                                 "%d:0439 Adapter failed to init, mbxCmd x%x "
 124                                 "READ_REV, mbxStatus x%x\n",
 125                                 phba->brd_no,
 126                                 mb->mbxCommand, mb->mbxStatus);
 127                 mempool_free( pmb, phba->mbox_mem_pool);
 128                 return -ERESTART;
 129         }
 130
 131         /* The HBA's current state is provided by the ProgType and rr fields.
 132          * Read and check the value of these fields before continuing to config
 133          * this port.
 134          */
 135         if (mb->un.varRdRev.rr == 0 || mb->un.varRdRev.un.b.ProgType != 2) {
 136                 /* Old firmware */
 137                 vp->rev.rBit = 0;
 138                 lpfc_printf_log(phba,
 139                                 KERN_ERR,
 140                                 LOG_INIT,
 141                                 "%d:0440 Adapter failed to init, mbxCmd x%x "
 142                                 "READ_REV detected outdated firmware"
 143                                 "Data: x%x\n",
 144                                 phba->brd_no,
 145                                 mb->mbxCommand, 0);
 146                 mempool_free(pmb, phba->mbox_mem_pool);
 147                 return -ERESTART;
 148         } else {
 149                 vp->rev.rBit = 1;
 150                 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
 151                 memcpy(vp->rev.sli1FwName,
 152                         (char*)mb->un.varRdRev.sli1FwName, 16);
 153                 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
 154                 memcpy(vp->rev.sli2FwName,
 155                                         (char *)mb->un.varRdRev.sli2FwName, 16);
 156         }
 157
 158         /* Save information as VPD data */
 159         vp->rev.biuRev = mb->un.varRdRev.biuRev;
 160         vp->rev.smRev = mb->un.varRdRev.smRev;
 161         vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
 162         vp->rev.endecRev = mb->un.varRdRev.endecRev;
 163         vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
 164         vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
 165         vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
 166         vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
 167         vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
 168         vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
 169
 170         if (lpfc_is_LC_HBA(phba->pcidev->device))
 171                 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
 172                                                 sizeof (phba->RandomData));
 173
 174         /* Get the default values for Model Name and Description */
 175         lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
 176
 177         /* Get adapter VPD information */
 178         pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
 179         if (!pmb->context2)
 180                 goto out_free_mbox;
 181         lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
 182         if (!lpfc_vpd_data)
 183                 goto out_free_context2;
 184
 185         do {
 186                 lpfc_dump_mem(phba, pmb, offset);
 187                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 188
 189                 if (rc != MBX_SUCCESS) {
 190                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 191                                         "%d:0441 VPD not present on adapter, "
 192                                         "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
 193                                         phba->brd_no,
 194                                         mb->mbxCommand, mb->mbxStatus);
 195                         kfree(lpfc_vpd_data);
 196                         lpfc_vpd_data = NULL;
 197                         break;
 198                 }
 199
 200                 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
 201                                                         mb->un.varDmp.word_cnt);
 202                 offset += mb->un.varDmp.word_cnt;
 203         } while (mb->un.varDmp.word_cnt);
 204         lpfc_parse_vpd(phba, lpfc_vpd_data);
 205
 206         kfree(lpfc_vpd_data);
 207 out_free_context2:
 208         kfree(pmb->context2);
 209 out_free_mbox:
 210         mempool_free(pmb, phba->mbox_mem_pool);
 211         return 0;
 212 }
 213
 214 /************************************************************************/
 215 /*                                                                      */
 216 /*    lpfc_config_port_post                                             */
 217 /*    This routine will do LPFC initialization after the                */
 218 /*    CONFIG_PORT mailbox command. This will be initialized             */
 219 /*    as a SLI layer callback routine.                                  */
 220 /*    This routine returns 0 on success. Any other return value         */
 221 /*    indicates an error.                                               */
 222 /*                                                                      */
 223 /************************************************************************/
 224 int
 225 lpfc_config_port_post(struct lpfc_hba * phba)
 226 {
 227         LPFC_MBOXQ_t *pmb;
 228         MAILBOX_t *mb;
 229         struct lpfc_dmabuf *mp;
 230         struct lpfc_sli *psli = &phba->sli;
 231         uint32_t status, timeout;
 232         int i, j, rc;
 233
 234         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 235         if (!pmb) {
 236                 phba->hba_state = LPFC_HBA_ERROR;
 237                 return -ENOMEM;
 238         }
 239         mb = &pmb->mb;
 240
 241         lpfc_config_link(phba, pmb);
 242         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 243         if (rc != MBX_SUCCESS) {
 244                 lpfc_printf_log(phba,
 245                                 KERN_ERR,
 246                                 LOG_INIT,
 247                                 "%d:0447 Adapter failed init, mbxCmd x%x "
 248                                 "CONFIG_LINK mbxStatus x%x\n",
 249                                 phba->brd_no,
 250                                 mb->mbxCommand, mb->mbxStatus);
 251                 phba->hba_state = LPFC_HBA_ERROR;
 252                 mempool_free( pmb, phba->mbox_mem_pool);
 253                 return -EIO;
 254         }
 255
 256         /* Get login parameters for NID.  */
 257         lpfc_read_sparam(phba, pmb);
 258         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 259                 lpfc_printf_log(phba,
 260                                 KERN_ERR,
 261                                 LOG_INIT,
 262                                 "%d:0448 Adapter failed init, mbxCmd x%x "
 263                                 "READ_SPARM mbxStatus x%x\n",
 264                                 phba->brd_no,
 265                                 mb->mbxCommand, mb->mbxStatus);
 266                 phba->hba_state = LPFC_HBA_ERROR;
 267                 mp = (struct lpfc_dmabuf *) pmb->context1;
 268                 mempool_free( pmb, phba->mbox_mem_pool);
 269                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 270                 kfree(mp);
 271                 return -EIO;
 272         }
 273
 274         mp = (struct lpfc_dmabuf *) pmb->context1;
 275
 276         memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
 277         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 278         kfree(mp);
 279         pmb->context1 = NULL;
 280
 281         memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
 282                sizeof (struct lpfc_name));
 283         memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
 284                sizeof (struct lpfc_name));
 285         /* If no serial number in VPD data, use low 6 bytes of WWNN */
 286         /* This should be consolidated into parse_vpd ? - mr */
 287         if (phba->SerialNumber[0] == 0) {
 288                 uint8_t *outptr;
 289
 290                 outptr = (uint8_t *) & phba->fc_nodename.IEEE[0];
 291                 for (i = 0; i < 12; i++) {
 292                         status = *outptr++;
 293                         j = ((status & 0xf0) >> 4);
 294                         if (j <= 9)
 295                                 phba->SerialNumber[i] =
 296                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 297                         else
 298                                 phba->SerialNumber[i] =
 299                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 300                         i++;
 301                         j = (status & 0xf);
 302                         if (j <= 9)
 303                                 phba->SerialNumber[i] =
 304                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 305                         else
 306                                 phba->SerialNumber[i] =
 307                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 308                 }
 309         }
 310
 311         /* This should turn on DELAYED ABTS for ELS timeouts */
 312         lpfc_set_slim(phba, pmb, 0x052198, 0x1);
 313         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 314                 phba->hba_state = LPFC_HBA_ERROR;
 315                 mempool_free( pmb, phba->mbox_mem_pool);
 316                 return -EIO;
 317         }
 318
 319
 320         lpfc_read_config(phba, pmb);
 321         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 322                 lpfc_printf_log(phba,
 323                                 KERN_ERR,
 324                                 LOG_INIT,
 325                                 "%d:0453 Adapter failed to init, mbxCmd x%x "
 326                                 "READ_CONFIG, mbxStatus x%x\n",
 327                                 phba->brd_no,
 328                                 mb->mbxCommand, mb->mbxStatus);
 329                 phba->hba_state = LPFC_HBA_ERROR;
 330                 mempool_free( pmb, phba->mbox_mem_pool);
 331                 return -EIO;
 332         }
 333
 334         /* Reset the DFT_HBA_Q_DEPTH to the max xri  */
 335         if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
 336                 phba->cfg_hba_queue_depth =
 337                         mb->un.varRdConfig.max_xri + 1;
 338
 339         phba->lmt = mb->un.varRdConfig.lmt;
 340         /* HBA is not 4GB capable, or HBA is not 2GB capable,
 341         don't let link speed ask for it */
 342         if ((((phba->lmt & LMT_4250_10bit) != LMT_4250_10bit) &&
 343                 (phba->cfg_link_speed > LINK_SPEED_2G)) ||
 344                 (((phba->lmt & LMT_2125_10bit) != LMT_2125_10bit) &&
 345                 (phba->cfg_link_speed > LINK_SPEED_1G))) {
 346                 /* Reset link speed to auto. 1G/2GB HBA cfg'd for 4G */
 347                 lpfc_printf_log(phba,
 348                         KERN_WARNING,
 349                         LOG_LINK_EVENT,
 350                         "%d:1302 Invalid speed for this board: "
 351                         "Reset link speed to auto: x%x\n",
 352                         phba->brd_no,
 353                         phba->cfg_link_speed);
 354                         phba->cfg_link_speed = LINK_SPEED_AUTO;
 355         }
 356
 357         phba->hba_state = LPFC_LINK_DOWN;
 358
 359         /* Only process IOCBs on ring 0 till hba_state is READY */
 360         if (psli->ring[psli->ip_ring].cmdringaddr)
 361                 psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT;
 362         if (psli->ring[psli->fcp_ring].cmdringaddr)
 363                 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
 364         if (psli->ring[psli->next_ring].cmdringaddr)
 365                 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
 366
 367         /* Post receive buffers for desired rings */
 368         lpfc_post_rcv_buf(phba);
 369
 370         /* Enable appropriate host interrupts */
 371         spin_lock_irq(phba->host->host_lock);
 372         status = readl(phba->HCregaddr);
 373         status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
 374         if (psli->num_rings > 0)
 375                 status |= HC_R0INT_ENA;
 376         if (psli->num_rings > 1)
 377                 status |= HC_R1INT_ENA;
 378         if (psli->num_rings > 2)
 379                 status |= HC_R2INT_ENA;
 380         if (psli->num_rings > 3)
 381                 status |= HC_R3INT_ENA;
 382
 383         writel(status, phba->HCregaddr);
 384         readl(phba->HCregaddr); /* flush */
 385         spin_unlock_irq(phba->host->host_lock);
 386
 387         /*
 388          * Setup the ring 0 (els)  timeout handler
 389          */
 390         timeout = phba->fc_ratov << 1;
 391         phba->els_tmofunc.expires = jiffies + HZ * timeout;
 392         add_timer(&phba->els_tmofunc);
 393
 394         lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
 395         pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 396         if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) {
 397                 lpfc_printf_log(phba,
 398                                 KERN_ERR,
 399                                 LOG_INIT,
 400                                 "%d:0454 Adapter failed to init, mbxCmd x%x "
 401                                 "INIT_LINK, mbxStatus x%x\n",
 402                                 phba->brd_no,
 403                                 mb->mbxCommand, mb->mbxStatus);
 404
 405                 /* Clear all interrupt enable conditions */
 406                 writel(0, phba->HCregaddr);
 407                 readl(phba->HCregaddr); /* flush */
 408                 /* Clear all pending interrupts */
 409                 writel(0xffffffff, phba->HAregaddr);
 410                 readl(phba->HAregaddr); /* flush */
 411
 412                 phba->hba_state = LPFC_HBA_ERROR;
 413                 mempool_free(pmb, phba->mbox_mem_pool);
 414                 return -EIO;
 415         }
 416         /* MBOX buffer will be freed in mbox compl */
 417
 418         i = 0;
 419         while ((phba->hba_state != LPFC_HBA_READY) ||
 420                (phba->num_disc_nodes) || (phba->fc_prli_sent) ||
 421                ((phba->fc_map_cnt == 0) && (i<2)) ||
 422                (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
 423                 /* Check every second for 30 retries. */
 424                 i++;
 425                 if (i > 30) {
 426                         break;
 427                 }
 428                 if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
 429                         /* The link is down.  Set linkdown timeout */
 430                         break;
 431                 }
 432
 433                 /* Delay for 1 second to give discovery time to complete. */
 434                 msleep(1000);
 435
 436         }
 437
 438         /* Since num_disc_nodes keys off of PLOGI, delay a bit to let
 439          * any potential PRLIs to flush thru the SLI sub-system.
 440          */
 441         msleep(50);
 442
 443         return (0);
 444 }
 445
 446 /************************************************************************/
 447 /*                                                                      */
 448 /*    lpfc_hba_down_prep                                                */
 449 /*    This routine will do LPFC uninitialization before the             */
 450 /*    HBA is reset when bringing down the SLI Layer. This will be       */
 451 /*    initialized as a SLI layer callback routine.                      */
 452 /*    This routine returns 0 on success. Any other return value         */
 453 /*    indicates an error.                                               */
 454 /*                                                                      */
 455 /************************************************************************/
 456 int
 457 lpfc_hba_down_prep(struct lpfc_hba * phba)
 458 {
 459         /* Disable interrupts */
 460         writel(0, phba->HCregaddr);
 461         readl(phba->HCregaddr); /* flush */
 462
 463         /* Cleanup potential discovery resources */
 464         lpfc_els_flush_rscn(phba);
 465         lpfc_els_flush_cmd(phba);
 466         lpfc_disc_flush_list(phba);
 467
 468         return (0);
 469 }
 470
 471 /************************************************************************/
 472 /*                                                                      */
 473 /*    lpfc_handle_eratt                                                 */
 474 /*    This routine will handle processing a Host Attention              */
 475 /*    Error Status event. This will be initialized                      */
 476 /*    as a SLI layer callback routine.                                  */
 477 /*                                                                      */
 478 /************************************************************************/
 479 void
 480 lpfc_handle_eratt(struct lpfc_hba * phba)
 481 {
 482         struct lpfc_sli *psli = &phba->sli;
 483         struct lpfc_sli_ring  *pring;
 484
 485         /*
 486          * If a reset is sent to the HBA restore PCI configuration registers.
 487          */
 488         if ( phba->hba_state == LPFC_INIT_START ) {
 489                 mdelay(1);
 490                 readl(phba->HCregaddr); /* flush */
 491                 writel(0, phba->HCregaddr);
 492                 readl(phba->HCregaddr); /* flush */
 493
 494                 /* Restore PCI cmd register */
 495                 pci_write_config_word(phba->pcidev,
 496                                       PCI_COMMAND, phba->pci_cfg_value);
 497         }
 498
 499         if (phba->work_hs & HS_FFER6) {
 500                 /* Re-establishing Link */
 501                 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
 502                                 "%d:1301 Re-establishing Link "
 503                                 "Data: x%x x%x x%x\n",
 504                                 phba->brd_no, phba->work_hs,
 505                                 phba->work_status[0], phba->work_status[1]);
 506                 spin_lock_irq(phba->host->host_lock);
 507                 phba->fc_flag |= FC_ESTABLISH_LINK;
 508                 spin_unlock_irq(phba->host->host_lock);
 509
 510                 /*
 511                 * Firmware stops when it triggled erratt with HS_FFER6.
 512                 * That could cause the I/Os dropped by the firmware.
 513                 * Error iocb (I/O) on txcmplq and let the SCSI layer
 514                 * retry it after re-establishing link.
 515                 */
 516                 pring = &psli->ring[psli->fcp_ring];
 517                 lpfc_sli_abort_iocb_ring(phba, pring);
 518
 519
 520                 /*
 521                  * There was a firmware error.  Take the hba offline and then
 522                  * attempt to restart it.
 523                  */
 524                 lpfc_offline(phba);
 525                 if (lpfc_online(phba) == 0) {   /* Initialize the HBA */
 526                         mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
 527                         return;
 528                 }
 529         } else {
 530                 /* The if clause above forces this code path when the status
 531                  * failure is a value other than FFER6.  Do not call the offline
 532                  *  twice. This is the adapter hardware error path.
 533                  */
 534                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 535                                 "%d:0457 Adapter Hardware Error "
 536                                 "Data: x%x x%x x%x\n",
 537                                 phba->brd_no, phba->work_hs,
 538                                 phba->work_status[0], phba->work_status[1]);
 539
 540                 lpfc_offline(phba);
 541
 542                 /*
 543                  * Restart all traffic to this host.  Since the fc_transport
 544                  * block functions (future) were not called in lpfc_offline,
 545                  * don't call them here.
 546                  */
 547                 scsi_unblock_requests(phba->host);
 548         }
 549 }
 550
 551 /************************************************************************/
 552 /*                                                                      */
 553 /*    lpfc_handle_latt                                                  */
 554 /*    This routine will handle processing a Host Attention              */
 555 /*    Link Status event. This will be initialized                       */
 556 /*    as a SLI layer callback routine.                                  */
 557 /*                                                                      */
 558 /************************************************************************/
 559 void
 560 lpfc_handle_latt(struct lpfc_hba * phba)
 561 {
 562         struct lpfc_sli *psli = &phba->sli;
 563         LPFC_MBOXQ_t *pmb;
 564         volatile uint32_t control;
 565         struct lpfc_dmabuf *mp;
 566         int rc = -ENOMEM;
 567
 568         pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 569         if (!pmb)
 570                 goto lpfc_handle_latt_err_exit;
 571
 572         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 573         if (!mp)
 574                 goto lpfc_handle_latt_free_pmb;
 575
 576         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
 577         if (!mp->virt)
 578                 goto lpfc_handle_latt_free_mp;
 579
 580         rc = -EIO;
 581
 582
 583         psli->slistat.link_event++;
 584         lpfc_read_la(phba, pmb, mp);
 585         pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
 586         rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
 587         if (rc == MBX_NOT_FINISHED)
 588                 goto lpfc_handle_latt_free_mp;
 589
 590         /* Clear Link Attention in HA REG */
 591         spin_lock_irq(phba->host->host_lock);
 592         writel(HA_LATT, phba->HAregaddr);
 593         readl(phba->HAregaddr); /* flush */
 594         spin_unlock_irq(phba->host->host_lock);
 595
 596         return;
 597
 598 lpfc_handle_latt_free_mp:
 599         kfree(mp);
 600 lpfc_handle_latt_free_pmb:
 601         kfree(pmb);
 602 lpfc_handle_latt_err_exit:
 603         /* Enable Link attention interrupts */
 604         spin_lock_irq(phba->host->host_lock);
 605         psli->sli_flag |= LPFC_PROCESS_LA;
 606         control = readl(phba->HCregaddr);
 607         control |= HC_LAINT_ENA;
 608         writel(control, phba->HCregaddr);
 609         readl(phba->HCregaddr); /* flush */
 610
 611         /* Clear Link Attention in HA REG */
 612         writel(HA_LATT, phba->HAregaddr);
 613         readl(phba->HAregaddr); /* flush */
 614         spin_unlock_irq(phba->host->host_lock);
 615         lpfc_linkdown(phba);
 616         phba->hba_state = LPFC_HBA_ERROR;
 617
 618         /* The other case is an error from issue_mbox */
 619         if (rc == -ENOMEM)
 620                 lpfc_printf_log(phba,
 621                                 KERN_WARNING,
 622                                 LOG_MBOX,
 623                                 "%d:0300 READ_LA: no buffers\n",
 624                                 phba->brd_no);
 625
 626         return;
 627 }
 628
 629 /************************************************************************/
 630 /*                                                                      */
 631 /*   lpfc_parse_vpd                                                     */
 632 /*   This routine will parse the VPD data                               */
 633 /*                                                                      */
 634 /************************************************************************/
 635 static int
 636 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd)
 637 {
 638         uint8_t lenlo, lenhi;
 639         uint32_t Length;
 640         int i, j;
 641         int finished = 0;
 642         int index = 0;
 643
 644         if (!vpd)
 645                 return 0;
 646
 647         /* Vital Product */
 648         lpfc_printf_log(phba,
 649                         KERN_INFO,
 650                         LOG_INIT,
 651                         "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
 652                         phba->brd_no,
 653                         (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
 654                         (uint32_t) vpd[3]);
 655         do {
 656                 switch (vpd[index]) {
 657                 case 0x82:
 658                         index += 1;
 659                         lenlo = vpd[index];
 660                         index += 1;
 661                         lenhi = vpd[index];
 662                         index += 1;
 663                         i = ((((unsigned short)lenhi) << 8) + lenlo);
 664                         index += i;
 665                         break;
 666                 case 0x90:
 667                         index += 1;
 668                         lenlo = vpd[index];
 669                         index += 1;
 670                         lenhi = vpd[index];
 671                         index += 1;
 672                         Length = ((((unsigned short)lenhi) << 8) + lenlo);
 673
 674                         while (Length > 0) {
 675                         /* Look for Serial Number */
 676                         if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
 677                                 index += 2;
 678                                 i = vpd[index];
 679                                 index += 1;
 680                                 j = 0;
 681                                 Length -= (3+i);
 682                                 while(i--) {
 683                                         phba->SerialNumber[j++] = vpd[index++];
 684                                         if (j == 31)
 685                                                 break;
 686                                 }
 687                                 phba->SerialNumber[j] = 0;
 688                                 continue;
 689                         }
 690                         else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
 691                                 phba->vpd_flag |= VPD_MODEL_DESC;
 692                                 index += 2;
 693                                 i = vpd[index];
 694                                 index += 1;
 695                                 j = 0;
 696                                 Length -= (3+i);
 697                                 while(i--) {
 698                                         phba->ModelDesc[j++] = vpd[index++];
 699                                         if (j == 255)
 700                                                 break;
 701                                 }
 702                                 phba->ModelDesc[j] = 0;
 703                                 continue;
 704                         }
 705                         else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
 706                                 phba->vpd_flag |= VPD_MODEL_NAME;
 707                                 index += 2;
 708                                 i = vpd[index];
 709                                 index += 1;
 710                                 j = 0;
 711                                 Length -= (3+i);
 712                                 while(i--) {
 713                                         phba->ModelName[j++] = vpd[index++];
 714                                         if (j == 79)
 715                                                 break;
 716                                 }
 717                                 phba->ModelName[j] = 0;
 718                                 continue;
 719                         }
 720                         else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
 721                                 phba->vpd_flag |= VPD_PROGRAM_TYPE;
 722                                 index += 2;
 723                                 i = vpd[index];
 724                                 index += 1;
 725                                 j = 0;
 726                                 Length -= (3+i);
 727                                 while(i--) {
 728                                         phba->ProgramType[j++] = vpd[index++];
 729                                         if (j == 255)
 730                                                 break;
 731                                 }
 732                                 phba->ProgramType[j] = 0;
 733                                 continue;
 734                         }
 735                         else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
 736                                 phba->vpd_flag |= VPD_PORT;
 737                                 index += 2;
 738                                 i = vpd[index];
 739                                 index += 1;
 740                                 j = 0;
 741                                 Length -= (3+i);
 742                                 while(i--) {
 743                                 phba->Port[j++] = vpd[index++];
 744                                 if (j == 19)
 745                                         break;
 746                                 }
 747                                 phba->Port[j] = 0;
 748                                 continue;
 749                         }
 750                         else {
 751                                 index += 2;
 752                                 i = vpd[index];
 753                                 index += 1;
 754                                 index += i;
 755                                 Length -= (3 + i);
 756                         }
 757                 }
 758                 finished = 0;
 759                 break;
 760                 case 0x78:
 761                         finished = 1;
 762                         break;
 763                 default:
 764                         index ++;
 765                         break;
 766                 }
 767         } while (!finished && (index < 108));
 768
 769         return(1);
 770 }
 771
 772 static void
 773 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
 774 {
 775         lpfc_vpd_t *vp;
 776         uint32_t id;
 777         char str[16];
 778
 779         vp = &phba->vpd;
 780         pci_read_config_dword(phba->pcidev, PCI_VENDOR_ID, &id);
 781
 782         switch ((id >> 16) & 0xffff) {
 783         case PCI_DEVICE_ID_SUPERFLY:
 784                 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
 785                         strcpy(str, "LP7000 1");
 786                 else
 787                         strcpy(str, "LP7000E 1");
 788                 break;
 789         case PCI_DEVICE_ID_DRAGONFLY:
 790                 strcpy(str, "LP8000 1");
 791                 break;
 792         case PCI_DEVICE_ID_CENTAUR:
 793                 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
 794                         strcpy(str, "LP9002 2");
 795                 else
 796                         strcpy(str, "LP9000 1");
 797                 break;
 798         case PCI_DEVICE_ID_RFLY:
 799                 strcpy(str, "LP952 2");
 800                 break;
 801         case PCI_DEVICE_ID_PEGASUS:
 802                 strcpy(str, "LP9802 2");
 803                 break;
 804         case PCI_DEVICE_ID_THOR:
 805                 strcpy(str, "LP10000 2");
 806                 break;
 807         case PCI_DEVICE_ID_VIPER:
 808                 strcpy(str, "LPX1000 10");
 809                 break;
 810         case PCI_DEVICE_ID_PFLY:
 811                 strcpy(str, "LP982 2");
 812                 break;
 813         case PCI_DEVICE_ID_TFLY:
 814                 strcpy(str, "LP1050 2");
 815                 break;
 816         case PCI_DEVICE_ID_HELIOS:
 817                 strcpy(str, "LP11000 4");
 818                 break;
 819         case PCI_DEVICE_ID_BMID:
 820                 strcpy(str, "LP1150 4");
 821                 break;
 822         case PCI_DEVICE_ID_BSMB:
 823                 strcpy(str, "LP111 4");
 824                 break;
 825         case PCI_DEVICE_ID_ZEPHYR:
 826                 strcpy(str, "LP11000e 4");
 827                 break;
 828         case PCI_DEVICE_ID_ZMID:
 829                 strcpy(str, "LP1150e 4");
 830                 break;
 831         case PCI_DEVICE_ID_ZSMB:
 832                 strcpy(str, "LP111e 4");
 833                 break;
 834         case PCI_DEVICE_ID_LP101:
 835                 strcpy(str, "LP101 2");
 836                 break;
 837         case PCI_DEVICE_ID_LP10000S:
 838                 strcpy(str, "LP10000-S 2");
 839                 break;
 840         }
 841         if (mdp)
 842                 sscanf(str, "%s", mdp);
 843         if (descp)
 844                 sprintf(descp, "Emulex LightPulse %s Gigabit PCI Fibre "
 845                         "Channel Adapter", str);
 846 }
 847
 848 /**************************************************/
 849 /*   lpfc_post_buffer                             */
 850 /*                                                */
 851 /*   This routine will post count buffers to the  */
 852 /*   ring with the QUE_RING_BUF_CN command. This  */
 853 /*   allows 3 buffers / command to be posted.     */
 854 /*   Returns the number of buffers NOT posted.    */
 855 /**************************************************/
 856 int
 857 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
 858                  int type)
 859 {
 860         IOCB_t *icmd;
 861         struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
 862         struct lpfc_iocbq *iocb = NULL;
 863         struct lpfc_dmabuf *mp1, *mp2;
 864
 865         cnt += pring->missbufcnt;
 866
 867         /* While there are buffers to post */
 868         while (cnt > 0) {
 869                 /* Allocate buffer for  command iocb */
 870                 spin_lock_irq(phba->host->host_lock);
 871                 list_remove_head(lpfc_iocb_list, iocb, struct lpfc_iocbq, list);
 872                 spin_unlock_irq(phba->host->host_lock);
 873                 if (iocb == NULL) {
 874                         pring->missbufcnt = cnt;
 875                         return cnt;
 876                 }
 877                 memset(iocb, 0, sizeof (struct lpfc_iocbq));
 878                 icmd = &iocb->iocb;
 879
 880                 /* 2 buffers can be posted per command */
 881                 /* Allocate buffer to post */
 882                 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
 883                 if (mp1)
 884                     mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
 885                                                 &mp1->phys);
 886                 if (mp1 == 0 || mp1->virt == 0) {
 887                         if (mp1)
 888                                 kfree(mp1);
 889                         spin_lock_irq(phba->host->host_lock);
 890                         list_add_tail(&iocb->list, lpfc_iocb_list);
 891                         spin_unlock_irq(phba->host->host_lock);
 892                         pring->missbufcnt = cnt;
 893                         return cnt;
 894                 }
 895
 896                 INIT_LIST_HEAD(&mp1->list);
 897                 /* Allocate buffer to post */
 898                 if (cnt > 1) {
 899                         mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
 900                         if (mp2)
 901                                 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
 902                                                             &mp2->phys);
 903                         if (mp2 == 0 || mp2->virt == 0) {
 904                                 if (mp2)
 905                                         kfree(mp2);
 906                                 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
 907                                 kfree(mp1);
 908                                 spin_lock_irq(phba->host->host_lock);
 909                                 list_add_tail(&iocb->list, lpfc_iocb_list);
 910                                 spin_unlock_irq(phba->host->host_lock);
 911                                 pring->missbufcnt = cnt;
 912                                 return cnt;
 913                         }
 914
 915                         INIT_LIST_HEAD(&mp2->list);
 916                 } else {
 917                         mp2 = NULL;
 918                 }
 919
 920                 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
 921                 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
 922                 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
 923                 icmd->ulpBdeCount = 1;
 924                 cnt--;
 925                 if (mp2) {
 926                         icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
 927                         icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
 928                         icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
 929                         cnt--;
 930                         icmd->ulpBdeCount = 2;
 931                 }
 932
 933                 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
 934                 icmd->ulpLe = 1;
 935
 936                 spin_lock_irq(phba->host->host_lock);
 937                 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
 938                         lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
 939                         kfree(mp1);
 940                         cnt++;
 941                         if (mp2) {
 942                                 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
 943                                 kfree(mp2);
 944                                 cnt++;
 945                         }
 946                         list_add_tail(&iocb->list, lpfc_iocb_list);
 947                         pring->missbufcnt = cnt;
 948                         spin_unlock_irq(phba->host->host_lock);
 949                         return cnt;
 950                 }
 951                 spin_unlock_irq(phba->host->host_lock);
 952                 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
 953                 if (mp2) {
 954                         lpfc_sli_ringpostbuf_put(phba, pring, mp2);
 955                 }
 956         }
 957         pring->missbufcnt = 0;
 958         return 0;
 959 }
 960
 961 /************************************************************************/
 962 /*                                                                      */
 963 /*   lpfc_post_rcv_buf                                                  */
 964 /*   This routine post initial rcv buffers to the configured rings      */
 965 /*                                                                      */
 966 /************************************************************************/
 967 static int
 968 lpfc_post_rcv_buf(struct lpfc_hba * phba)
 969 {
 970         struct lpfc_sli *psli = &phba->sli;
 971
 972         /* Ring 0, ELS / CT buffers */
 973         lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
 974         /* Ring 2 - FCP no buffers needed */
 975
 976         return 0;
 977 }
 978
 979 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
 980
 981 /************************************************************************/
 982 /*                                                                      */
 983 /*   lpfc_sha_init                                                      */
 984 /*                                                                      */
 985 /************************************************************************/
 986 static void
 987 lpfc_sha_init(uint32_t * HashResultPointer)
 988 {
 989         HashResultPointer[0] = 0x67452301;
 990         HashResultPointer[1] = 0xEFCDAB89;
 991         HashResultPointer[2] = 0x98BADCFE;
 992         HashResultPointer[3] = 0x10325476;
 993         HashResultPointer[4] = 0xC3D2E1F0;
 994 }
 995
 996 /************************************************************************/
 997 /*                                                                      */
 998 /*   lpfc_sha_iterate                                                   */
 999 /*                                                                      */
1000 /************************************************************************/
1001 static void
1002 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1003 {
1004         int t;
1005         uint32_t TEMP;
1006         uint32_t A, B, C, D, E;
1007         t = 16;
1008         do {
1009                 HashWorkingPointer[t] =
1010                     S(1,
1011                       HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1012                                                                      8] ^
1013                       HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1014         } while (++t <= 79);
1015         t = 0;
1016         A = HashResultPointer[0];
1017         B = HashResultPointer[1];
1018         C = HashResultPointer[2];
1019         D = HashResultPointer[3];
1020         E = HashResultPointer[4];
1021
1022         do {
1023                 if (t < 20) {
1024                         TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1025                 } else if (t < 40) {
1026                         TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1027                 } else if (t < 60) {
1028                         TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1029                 } else {
1030                         TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1031                 }
1032                 TEMP += S(5, A) + E + HashWorkingPointer[t];
1033                 E = D;
1034                 D = C;
1035                 C = S(30, B);
1036                 B = A;
1037                 A = TEMP;
1038         } while (++t <= 79);
1039
1040         HashResultPointer[0] += A;
1041         HashResultPointer[1] += B;
1042         HashResultPointer[2] += C;
1043         HashResultPointer[3] += D;
1044         HashResultPointer[4] += E;
1045
1046 }
1047
1048 /************************************************************************/
1049 /*                                                                      */
1050 /*   lpfc_challenge_key                                                 */
1051 /*                                                                      */
1052 /************************************************************************/
1053 static void
1054 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1055 {
1056         *HashWorking = (*RandomChallenge ^ *HashWorking);
1057 }
1058
1059 /************************************************************************/
1060 /*                                                                      */
1061 /*   lpfc_hba_init                                                      */
1062 /*                                                                      */
1063 /************************************************************************/
1064 void
1065 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1066 {
1067         int t;
1068         uint32_t *HashWorking;
1069         uint32_t *pwwnn = phba->wwnn;
1070
1071         HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1072         if (!HashWorking)
1073                 return;
1074
1075         memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1076         HashWorking[0] = HashWorking[78] = *pwwnn++;
1077         HashWorking[1] = HashWorking[79] = *pwwnn;
1078
1079         for (t = 0; t < 7; t++)
1080                 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1081
1082         lpfc_sha_init(hbainit);
1083         lpfc_sha_iterate(hbainit, HashWorking);
1084         kfree(HashWorking);
1085 }
1086
1087 static void
1088 lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind)
1089 {
1090         struct lpfc_nodelist *ndlp, *next_ndlp;
1091
1092         /* clean up phba - lpfc specific */
1093         lpfc_can_disctmo(phba);
1094         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
1095                                 nlp_listp) {
1096                 lpfc_nlp_remove(phba, ndlp);
1097         }
1098
1099         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1100                                  nlp_listp) {
1101                 lpfc_nlp_remove(phba, ndlp);
1102         }
1103
1104         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
1105                                 nlp_listp) {
1106                 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1107         }
1108
1109         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1110                                 nlp_listp) {
1111                 lpfc_nlp_remove(phba, ndlp);
1112         }
1113
1114         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1115                                 nlp_listp) {
1116                 lpfc_nlp_remove(phba, ndlp);
1117         }
1118
1119         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
1120                                 nlp_listp) {
1121                 lpfc_nlp_remove(phba, ndlp);
1122         }
1123
1124         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1125                                 nlp_listp) {
1126                 lpfc_nlp_remove(phba, ndlp);
1127         }
1128
1129         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1130                                 nlp_listp) {
1131                 lpfc_nlp_remove(phba, ndlp);
1132         }
1133
1134         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1135         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1136         INIT_LIST_HEAD(&phba->fc_unused_list);
1137         INIT_LIST_HEAD(&phba->fc_plogi_list);
1138         INIT_LIST_HEAD(&phba->fc_adisc_list);
1139         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1140         INIT_LIST_HEAD(&phba->fc_prli_list);
1141         INIT_LIST_HEAD(&phba->fc_npr_list);
1142
1143         phba->fc_map_cnt   = 0;
1144         phba->fc_unmap_cnt = 0;
1145         phba->fc_plogi_cnt = 0;
1146         phba->fc_adisc_cnt = 0;
1147         phba->fc_reglogin_cnt = 0;
1148         phba->fc_prli_cnt  = 0;
1149         phba->fc_npr_cnt   = 0;
1150         phba->fc_unused_cnt= 0;
1151         return;
1152 }
1153
1154 static void
1155 lpfc_establish_link_tmo(unsigned long ptr)
1156 {
1157         struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1158         unsigned long iflag;
1159
1160
1161         /* Re-establishing Link, timer expired */
1162         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1163                         "%d:1300 Re-establishing Link, timer expired "
1164                         "Data: x%x x%x\n",
1165                         phba->brd_no, phba->fc_flag, phba->hba_state);
1166         spin_lock_irqsave(phba->host->host_lock, iflag);
1167         phba->fc_flag &= ~FC_ESTABLISH_LINK;
1168         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1169 }
1170
1171 static int
1172 lpfc_stop_timer(struct lpfc_hba * phba)
1173 {
1174         struct lpfc_sli *psli = &phba->sli;
1175
1176         /* Instead of a timer, this has been converted to a
1177          * deferred procedding list.
1178          */
1179         while (!list_empty(&phba->freebufList)) {
1180
1181                 struct lpfc_dmabuf *mp = NULL;
1182
1183                 list_remove_head((&phba->freebufList), mp,
1184                                  struct lpfc_dmabuf, list);
1185                 if (mp) {
1186                         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1187                         kfree(mp);
1188                 }
1189         }
1190
1191         del_timer_sync(&phba->fc_estabtmo);
1192         del_timer_sync(&phba->fc_disctmo);
1193         del_timer_sync(&phba->fc_fdmitmo);
1194         del_timer_sync(&phba->els_tmofunc);
1195         psli = &phba->sli;
1196         del_timer_sync(&psli->mbox_tmo);
1197         return(1);
1198 }
1199
1200 int
1201 lpfc_online(struct lpfc_hba * phba)
1202 {
1203         if (!phba)
1204                 return 0;
1205
1206         if (!(phba->fc_flag & FC_OFFLINE_MODE))
1207                 return 0;
1208
1209         lpfc_printf_log(phba,
1210                        KERN_WARNING,
1211                        LOG_INIT,
1212                        "%d:0458 Bring Adapter online\n",
1213                        phba->brd_no);
1214
1215         if (!lpfc_sli_queue_setup(phba))
1216                 return 1;
1217
1218         if (lpfc_sli_hba_setup(phba))   /* Initialize the HBA */
1219                 return 1;
1220
1221         spin_lock_irq(phba->host->host_lock);
1222         phba->fc_flag &= ~FC_OFFLINE_MODE;
1223         spin_unlock_irq(phba->host->host_lock);
1224
1225         /*
1226          * Restart all traffic to this host.  Since the fc_transport block
1227          * functions (future) were not called in lpfc_offline, don't call them
1228          * here.
1229          */
1230         scsi_unblock_requests(phba->host);
1231         return 0;
1232 }
1233
1234 int
1235 lpfc_offline(struct lpfc_hba * phba)
1236 {
1237         struct lpfc_sli_ring *pring;
1238         struct lpfc_sli *psli;
1239         unsigned long iflag;
1240         int i = 0;
1241
1242         if (!phba)
1243                 return 0;
1244
1245         if (phba->fc_flag & FC_OFFLINE_MODE)
1246                 return 0;
1247
1248         /*
1249          * Don't call the fc_transport block api (future).  The device is
1250          * going offline and causing a timer to fire in the midlayer is
1251          * unproductive.  Just block all new requests until the driver
1252          * comes back online.
1253          */
1254         scsi_block_requests(phba->host);
1255         psli = &phba->sli;
1256         pring = &psli->ring[psli->fcp_ring];
1257
1258         lpfc_linkdown(phba);
1259
1260         /* The linkdown event takes 30 seconds to timeout. */
1261         while (pring->txcmplq_cnt) {
1262                 mdelay(10);
1263                 if (i++ > 3000)
1264                         break;
1265         }
1266
1267         /* stop all timers associated with this hba */
1268         lpfc_stop_timer(phba);
1269         phba->work_hba_events = 0;
1270
1271         lpfc_printf_log(phba,
1272                        KERN_WARNING,
1273                        LOG_INIT,
1274                        "%d:0460 Bring Adapter offline\n",
1275                        phba->brd_no);
1276
1277         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1278            now.  */
1279         lpfc_sli_hba_down(phba);
1280         lpfc_cleanup(phba, 1);
1281         spin_lock_irqsave(phba->host->host_lock, iflag);
1282         phba->fc_flag |= FC_OFFLINE_MODE;
1283         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1284         return 0;
1285 }
1286
1287 /******************************************************************************
1288 * Function name: lpfc_scsi_free
1289 *
1290 * Description: Called from lpfc_pci_remove_one free internal driver resources
1291 *
1292 ******************************************************************************/
1293 static int
1294 lpfc_scsi_free(struct lpfc_hba * phba)
1295 {
1296         struct lpfc_scsi_buf *sb, *sb_next;
1297         struct lpfc_iocbq *io, *io_next;
1298
1299         spin_lock_irq(phba->host->host_lock);
1300         /* Release all the lpfc_scsi_bufs maintained by this host. */
1301         list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1302                 list_del(&sb->list);
1303                 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1304                                                                 sb->dma_handle);
1305                 kfree(sb);
1306                 phba->total_scsi_bufs--;
1307         }
1308
1309         /* Release all the lpfc_iocbq entries maintained by this host. */
1310         list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1311                 list_del(&io->list);
1312                 kfree(io);
1313                 phba->total_iocbq_bufs--;
1314         }
1315
1316         spin_unlock_irq(phba->host->host_lock);
1317
1318         return 0;
1319 }
1320
1321
1322 static int __devinit
1323 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1324 {
1325         struct Scsi_Host *host;
1326         struct lpfc_hba  *phba;
1327         struct lpfc_sli  *psli;
1328         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1329         unsigned long bar0map_len, bar2map_len;
1330         int error = -ENODEV, retval;
1331         int i;
1332         u64 wwname;
1333
1334         if (pci_enable_device(pdev))
1335                 goto out;
1336         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1337                 goto out_disable_device;
1338
1339         host = scsi_host_alloc(&lpfc_template,
1340                         sizeof (struct lpfc_hba) + sizeof (unsigned long));
1341         if (!host)
1342                 goto out_release_regions;
1343
1344         phba = (struct lpfc_hba*)host->hostdata;
1345         memset(phba, 0, sizeof (struct lpfc_hba));
1346         phba->link_stats = (void *)&phba[1];
1347         phba->host = host;
1348
1349         phba->fc_flag |= FC_LOADING;
1350         phba->pcidev = pdev;
1351
1352         /* Assign an unused board number */
1353         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1354                 goto out_put_host;
1355
1356         error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
1357         if (error)
1358                 goto out_put_host;
1359
1360         host->unique_id = phba->brd_no;
1361
1362         INIT_LIST_HEAD(&phba->ctrspbuflist);
1363         INIT_LIST_HEAD(&phba->rnidrspbuflist);
1364         INIT_LIST_HEAD(&phba->freebufList);
1365
1366         /* Initialize timers used by driver */
1367         init_timer(&phba->fc_estabtmo);
1368         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1369         phba->fc_estabtmo.data = (unsigned long)phba;
1370         init_timer(&phba->fc_disctmo);
1371         phba->fc_disctmo.function = lpfc_disc_timeout;
1372         phba->fc_disctmo.data = (unsigned long)phba;
1373
1374         init_timer(&phba->fc_fdmitmo);
1375         phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
1376         phba->fc_fdmitmo.data = (unsigned long)phba;
1377         init_timer(&phba->els_tmofunc);
1378         phba->els_tmofunc.function = lpfc_els_timeout;
1379         phba->els_tmofunc.data = (unsigned long)phba;
1380         psli = &phba->sli;
1381         init_timer(&psli->mbox_tmo);
1382         psli->mbox_tmo.function = lpfc_mbox_timeout;
1383         psli->mbox_tmo.data = (unsigned long)phba;
1384
1385         /*
1386          * Get all the module params for configuring this host and then
1387          * establish the host parameters.
1388          */
1389         lpfc_get_cfgparam(phba);
1390
1391         host->max_id = LPFC_MAX_TARGET;
1392         host->max_lun = phba->cfg_max_luns;
1393         host->this_id = -1;
1394
1395         /* Initialize all internally managed lists. */
1396         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1397         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1398         INIT_LIST_HEAD(&phba->fc_unused_list);
1399         INIT_LIST_HEAD(&phba->fc_plogi_list);
1400         INIT_LIST_HEAD(&phba->fc_adisc_list);
1401         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1402         INIT_LIST_HEAD(&phba->fc_prli_list);
1403         INIT_LIST_HEAD(&phba->fc_npr_list);
1404
1405
1406         pci_set_master(pdev);
1407         retval = pci_set_mwi(pdev);
1408         if (retval)
1409                 dev_printk(KERN_WARNING, &pdev->dev,
1410                            "Warning: pci_set_mwi returned %d\n", retval);
1411
1412         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1413                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1414                         goto out_idr_remove;
1415
1416         /*
1417          * Get the bus address of Bar0 and Bar2 and the number of bytes
1418          * required by each mapping.
1419          */
1420         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1421         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1422
1423         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1424         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1425
1426         /* Map HBA SLIM and Control Registers to a kernel virtual address. */
1427         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1428         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1429
1430         /* Allocate memory for SLI-2 structures */
1431         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1432                                           &phba->slim2p_mapping, GFP_KERNEL);
1433         if (!phba->slim2p)
1434                 goto out_iounmap;
1435
1436
1437         /* Initialize the SLI Layer to run with lpfc HBAs. */
1438         lpfc_sli_setup(phba);
1439         lpfc_sli_queue_setup(phba);
1440
1441         error = lpfc_mem_alloc(phba);
1442         if (error)
1443                 goto out_free_slim;
1444
1445         /* Initialize and populate the iocb list per host.  */
1446         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1447         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1448                 iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1449                 if (iocbq_entry == NULL) {
1450                         printk(KERN_ERR "%s: only allocated %d iocbs of "
1451                                 "expected %d count. Unloading driver.\n",
1452                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1453                         error = -ENOMEM;
1454                         goto out_free_iocbq;
1455                 }
1456
1457                 memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
1458                 spin_lock_irq(phba->host->host_lock);
1459                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1460                 phba->total_iocbq_bufs++;
1461                 spin_unlock_irq(phba->host->host_lock);
1462         }
1463
1464         /* Initialize HBA structure */
1465         phba->fc_edtov = FF_DEF_EDTOV;
1466         phba->fc_ratov = FF_DEF_RATOV;
1467         phba->fc_altov = FF_DEF_ALTOV;
1468         phba->fc_arbtov = FF_DEF_ARBTOV;
1469
1470         INIT_LIST_HEAD(&phba->work_list);
1471         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1472         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1473
1474         /* Startup the kernel thread for this host adapter. */
1475         phba->worker_thread = kthread_run(lpfc_do_work, phba,
1476                                        "lpfc_worker_%d", phba->brd_no);
1477         if (IS_ERR(phba->worker_thread)) {
1478                 error = PTR_ERR(phba->worker_thread);
1479                 goto out_free_iocbq;
1480         }
1481
1482         /* We can rely on a queue depth attribute only after SLI HBA setup */
1483         host->can_queue = phba->cfg_hba_queue_depth - 10;
1484
1485         /* Tell the midlayer we support 16 byte commands */
1486         host->max_cmd_len = 16;
1487
1488         /* Initialize the list of scsi buffers used by driver for scsi IO. */
1489         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1490
1491         host->transportt = lpfc_transport_template;
1492         host->hostdata[0] = (unsigned long)phba;
1493         pci_set_drvdata(pdev, host);
1494         error = scsi_add_host(host, &pdev->dev);
1495         if (error)
1496                 goto out_kthread_stop;
1497
1498         error = lpfc_alloc_sysfs_attr(phba);
1499         if (error)
1500                 goto out_kthread_stop;
1501
1502         error = request_irq(phba->pcidev->irq, lpfc_intr_handler, SA_SHIRQ,
1503                                                         LPFC_DRIVER_NAME, phba);
1504         if (error) {
1505                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1506                         "%d:0451 Enable interrupt handler failed\n",
1507                         phba->brd_no);
1508                 goto out_free_sysfs_attr;
1509         }
1510         phba->MBslimaddr = phba->slim_memmap_p;
1511         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1512         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1513         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1514         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1515
1516         error = lpfc_sli_hba_setup(phba);
1517         if (error)
1518                 goto out_free_irq;
1519
1520         /*
1521          * set fixed host attributes
1522          * Must done after lpfc_sli_hba_setup()
1523          */
1524
1525         memcpy(&wwname, &phba->fc_nodename, sizeof(u64));
1526         fc_host_node_name(host) = be64_to_cpu(wwname);
1527         memcpy(&wwname, &phba->fc_portname, sizeof(u64));
1528         fc_host_port_name(host) = be64_to_cpu(wwname);
1529         fc_host_supported_classes(host) = FC_COS_CLASS3;
1530
1531         memset(fc_host_supported_fc4s(host), 0,
1532                 sizeof(fc_host_supported_fc4s(host)));
1533         fc_host_supported_fc4s(host)[2] = 1;
1534         fc_host_supported_fc4s(host)[7] = 1;
1535
1536         lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host));
1537
1538         fc_host_supported_speeds(host) = 0;
1539         switch (FC_JEDEC_ID(phba->vpd.rev.biuRev)) {
1540         case VIPER_JEDEC_ID:
1541                 fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT;
1542                 break;
1543         case HELIOS_JEDEC_ID:
1544                 fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT;
1545                 /* Fall through */
1546         case CENTAUR_2G_JEDEC_ID:
1547         case PEGASUS_JEDEC_ID:
1548         case THOR_JEDEC_ID:
1549                 fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT;
1550                 /* Fall through */
1551         default:
1552                 fc_host_supported_speeds(host) = FC_PORTSPEED_1GBIT;
1553         }
1554
1555         fc_host_maxframe_size(host) =
1556                 ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1557                  (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
1558
1559         /* This value is also unchanging */
1560         memset(fc_host_active_fc4s(host), 0,
1561                 sizeof(fc_host_active_fc4s(host)));
1562         fc_host_active_fc4s(host)[2] = 1;
1563         fc_host_active_fc4s(host)[7] = 1;
1564
1565         spin_lock_irq(phba->host->host_lock);
1566         phba->fc_flag &= ~FC_LOADING;
1567         spin_unlock_irq(phba->host->host_lock);
1568         return 0;
1569
1570 out_free_irq:
1571         lpfc_stop_timer(phba);
1572         phba->work_hba_events = 0;
1573         free_irq(phba->pcidev->irq, phba);
1574 out_free_sysfs_attr:
1575         lpfc_free_sysfs_attr(phba);
1576 out_kthread_stop:
1577         kthread_stop(phba->worker_thread);
1578 out_free_iocbq:
1579         list_for_each_entry_safe(iocbq_entry, iocbq_next,
1580                                                 &phba->lpfc_iocb_list, list) {
1581                 spin_lock_irq(phba->host->host_lock);
1582                 kfree(iocbq_entry);
1583                 phba->total_iocbq_bufs--;
1584                 spin_unlock_irq(phba->host->host_lock);
1585         }
1586         lpfc_mem_free(phba);
1587 out_free_slim:
1588         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1589                                                         phba->slim2p_mapping);
1590 out_iounmap:
1591         iounmap(phba->ctrl_regs_memmap_p);
1592         iounmap(phba->slim_memmap_p);
1593 out_idr_remove:
1594         idr_remove(&lpfc_hba_index, phba->brd_no);
1595 out_put_host:
1596         scsi_host_put(host);
1597 out_release_regions:
1598         pci_release_regions(pdev);
1599 out_disable_device:
1600         pci_disable_device(pdev);
1601 out:
1602         return error;
1603 }
1604
1605 static void __devexit
1606 lpfc_pci_remove_one(struct pci_dev *pdev)
1607 {
1608         struct Scsi_Host   *host = pci_get_drvdata(pdev);
1609         struct lpfc_hba    *phba = (struct lpfc_hba *)host->hostdata[0];
1610         unsigned long iflag;
1611
1612         lpfc_free_sysfs_attr(phba);
1613
1614         spin_lock_irqsave(phba->host->host_lock, iflag);
1615         phba->fc_flag |= FC_UNLOADING;
1616
1617         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1618
1619         fc_remove_host(phba->host);
1620         scsi_remove_host(phba->host);
1621
1622         kthread_stop(phba->worker_thread);
1623
1624         /*
1625          * Bring down the SLI Layer. This step disable all interrupts,
1626          * clears the rings, discards all mailbox commands, and resets
1627          * the HBA.
1628          */
1629         lpfc_sli_hba_down(phba);
1630
1631         /* Release the irq reservation */
1632         free_irq(phba->pcidev->irq, phba);
1633
1634         lpfc_cleanup(phba, 0);
1635         lpfc_stop_timer(phba);
1636         phba->work_hba_events = 0;
1637
1638         /*
1639          * Call scsi_free before mem_free since scsi bufs are released to their
1640          * corresponding pools here.
1641          */
1642         lpfc_scsi_free(phba);
1643         lpfc_mem_free(phba);
1644
1645         /* Free resources associated with SLI2 interface */
1646         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
1647                           phba->slim2p, phba->slim2p_mapping);
1648
1649         /* unmap adapter SLIM and Control Registers */
1650         iounmap(phba->ctrl_regs_memmap_p);
1651         iounmap(phba->slim_memmap_p);
1652
1653         pci_release_regions(phba->pcidev);
1654         pci_disable_device(phba->pcidev);
1655
1656         idr_remove(&lpfc_hba_index, phba->brd_no);
1657         scsi_host_put(phba->host);
1658
1659         pci_set_drvdata(pdev, NULL);
1660 }
1661
1662 static struct pci_device_id lpfc_id_table[] = {
1663         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
1664                 PCI_ANY_ID, PCI_ANY_ID, },
1665         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
1666                 PCI_ANY_ID, PCI_ANY_ID, },
1667         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
1668                 PCI_ANY_ID, PCI_ANY_ID, },
1669         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
1670                 PCI_ANY_ID, PCI_ANY_ID, },
1671         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
1672                 PCI_ANY_ID, PCI_ANY_ID, },
1673         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
1674                 PCI_ANY_ID, PCI_ANY_ID, },
1675         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
1676                 PCI_ANY_ID, PCI_ANY_ID, },
1677         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
1678                 PCI_ANY_ID, PCI_ANY_ID, },
1679         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
1680                 PCI_ANY_ID, PCI_ANY_ID, },
1681         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
1682                 PCI_ANY_ID, PCI_ANY_ID, },
1683         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
1684                 PCI_ANY_ID, PCI_ANY_ID, },
1685         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
1686                 PCI_ANY_ID, PCI_ANY_ID, },
1687         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
1688                 PCI_ANY_ID, PCI_ANY_ID, },
1689         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
1690                 PCI_ANY_ID, PCI_ANY_ID, },
1691         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
1692                 PCI_ANY_ID, PCI_ANY_ID, },
1693         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
1694                 PCI_ANY_ID, PCI_ANY_ID, },
1695         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
1696                 PCI_ANY_ID, PCI_ANY_ID, },
1697         { 0 }
1698 };
1699
1700 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
1701
1702 static struct pci_driver lpfc_driver = {
1703         .name           = LPFC_DRIVER_NAME,
1704         .id_table       = lpfc_id_table,
1705         .probe          = lpfc_pci_probe_one,
1706         .remove         = __devexit_p(lpfc_pci_remove_one),
1707 };
1708
1709 static int __init
1710 lpfc_init(void)
1711 {
1712         int error = 0;
1713
1714         printk(LPFC_MODULE_DESC "\n");
1715
1716         lpfc_transport_template =
1717                                 fc_attach_transport(&lpfc_transport_functions);
1718         if (!lpfc_transport_template)
1719                 return -ENOMEM;
1720         error = pci_register_driver(&lpfc_driver);
1721         if (error)
1722                 fc_release_transport(lpfc_transport_template);
1723
1724         return error;
1725 }
1726
1727 static void __exit
1728 lpfc_exit(void)
1729 {
1730         pci_unregister_driver(&lpfc_driver);
1731         fc_release_transport(lpfc_transport_template);
1732 }
1733
1734 module_init(lpfc_init);
1735 module_exit(lpfc_exit);
1736 MODULE_LICENSE("GPL");
1737 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
1738 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1739 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);