err.no Git - linux-2.6/blob - 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) 2004-2007 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 #include <linux/ctype.h>
  31
  32 #include <scsi/scsi.h>
  33 #include <scsi/scsi_device.h>
  34 #include <scsi/scsi_host.h>
  35 #include <scsi/scsi_transport_fc.h>
  36
  37 #include "lpfc_hw.h"
  38 #include "lpfc_sli.h"
  39 #include "lpfc_disc.h"
  40 #include "lpfc_scsi.h"
  41 #include "lpfc.h"
  42 #include "lpfc_logmsg.h"
  43 #include "lpfc_crtn.h"
  44 #include "lpfc_vport.h"
  45 #include "lpfc_version.h"
  46
  47 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
  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 struct scsi_transport_template *lpfc_vport_transport_template = NULL;
  53 static DEFINE_IDR(lpfc_hba_index);
  54
  55 /************************************************************************/
  56 /*                                                                      */
  57 /*    lpfc_config_port_prep                                             */
  58 /*    This routine will do LPFC initialization prior to the             */
  59 /*    CONFIG_PORT mailbox command. This will be initialized             */
  60 /*    as a SLI layer callback routine.                                  */
  61 /*    This routine returns 0 on success or -ERESTART if it wants        */
  62 /*    the SLI layer to reset the HBA and try again. Any                 */
  63 /*    other return value indicates an error.                            */
  64 /*                                                                      */
  65 /************************************************************************/
  66 int
  67 lpfc_config_port_prep(struct lpfc_hba *phba)
  68 {
  69         lpfc_vpd_t *vp = &phba->vpd;
  70         int i = 0, rc;
  71         LPFC_MBOXQ_t *pmb;
  72         MAILBOX_t *mb;
  73         char *lpfc_vpd_data = NULL;
  74         uint16_t offset = 0;
  75         static char licensed[56] =
  76                     "key unlock for use with gnu public licensed code only\0";
  77         static int init_key = 1;
  78
  79         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
  80         if (!pmb) {
  81                 phba->link_state = LPFC_HBA_ERROR;
  82                 return -ENOMEM;
  83         }
  84
  85         mb = &pmb->mb;
  86         phba->link_state = LPFC_INIT_MBX_CMDS;
  87
  88         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
  89                 if (init_key) {
  90                         uint32_t *ptext = (uint32_t *) licensed;
  91
  92                         for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
  93                                 *ptext = cpu_to_be32(*ptext);
  94                         init_key = 0;
  95                 }
  96
  97                 lpfc_read_nv(phba, pmb);
  98                 memset((char*)mb->un.varRDnvp.rsvd3, 0,
  99                         sizeof (mb->un.varRDnvp.rsvd3));
 100                 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
 101                          sizeof (licensed));
 102
 103                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 104
 105                 if (rc != MBX_SUCCESS) {
 106                         lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
 107                                         "0324 Config Port initialization "
 108                                         "error, mbxCmd x%x READ_NVPARM, "
 109                                         "mbxStatus x%x\n",
 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(phba->wwnn));
 116                 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
 117                        sizeof(phba->wwpn));
 118         }
 119
 120         phba->sli3_options = 0x0;
 121
 122         /* Setup and issue mailbox READ REV command */
 123         lpfc_read_rev(phba, pmb);
 124         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 125         if (rc != MBX_SUCCESS) {
 126                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 127                                 "0439 Adapter failed to init, mbxCmd x%x "
 128                                 "READ_REV, mbxStatus x%x\n",
 129                                 mb->mbxCommand, mb->mbxStatus);
 130                 mempool_free( pmb, phba->mbox_mem_pool);
 131                 return -ERESTART;
 132         }
 133
 134
 135         /*
 136          * The value of rr must be 1 since the driver set the cv field to 1.
 137          * This setting requires the FW to set all revision fields.
 138          */
 139         if (mb->un.varRdRev.rr == 0) {
 140                 vp->rev.rBit = 0;
 141                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 142                                 "0440 Adapter failed to init, READ_REV has "
 143                                 "missing revision information.\n");
 144                 mempool_free(pmb, phba->mbox_mem_pool);
 145                 return -ERESTART;
 146         }
 147
 148         if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp)
 149                 return -EINVAL;
 150
 151         /* Save information as VPD data */
 152         vp->rev.rBit = 1;
 153         memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
 154         vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
 155         memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
 156         vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
 157         memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
 158         vp->rev.biuRev = mb->un.varRdRev.biuRev;
 159         vp->rev.smRev = mb->un.varRdRev.smRev;
 160         vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
 161         vp->rev.endecRev = mb->un.varRdRev.endecRev;
 162         vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
 163         vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
 164         vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
 165         vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
 166         vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
 167         vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
 168
 169         /* If the sli feature level is less then 9, we must
 170          * tear down all RPIs and VPIs on link down if NPIV
 171          * is enabled.
 172          */
 173         if (vp->rev.feaLevelHigh < 9)
 174                 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
 175
 176         if (lpfc_is_LC_HBA(phba->pcidev->device))
 177                 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
 178                                                 sizeof (phba->RandomData));
 179
 180         /* Get adapter VPD information */
 181         pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
 182         if (!pmb->context2)
 183                 goto out_free_mbox;
 184         lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
 185         if (!lpfc_vpd_data)
 186                 goto out_free_context2;
 187
 188         do {
 189                 lpfc_dump_mem(phba, pmb, offset);
 190                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 191
 192                 if (rc != MBX_SUCCESS) {
 193                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 194                                         "0441 VPD not present on adapter, "
 195                                         "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
 196                                         mb->mbxCommand, mb->mbxStatus);
 197                         mb->un.varDmp.word_cnt = 0;
 198                 }
 199                 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
 200                         mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
 201                 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
 202                                       mb->un.varDmp.word_cnt);
 203                 offset += mb->un.varDmp.word_cnt;
 204         } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
 205         lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
 206
 207         kfree(lpfc_vpd_data);
 208 out_free_context2:
 209         kfree(pmb->context2);
 210 out_free_mbox:
 211         mempool_free(pmb, phba->mbox_mem_pool);
 212         return 0;
 213 }
 214
 215 /* Completion handler for config async event mailbox command. */
 216 static void
 217 lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
 218 {
 219         if (pmboxq->mb.mbxStatus == MBX_SUCCESS)
 220                 phba->temp_sensor_support = 1;
 221         else
 222                 phba->temp_sensor_support = 0;
 223         mempool_free(pmboxq, phba->mbox_mem_pool);
 224         return;
 225 }
 226
 227 /************************************************************************/
 228 /*                                                                      */
 229 /*    lpfc_config_port_post                                             */
 230 /*    This routine will do LPFC initialization after the                */
 231 /*    CONFIG_PORT mailbox command. This will be initialized             */
 232 /*    as a SLI layer callback routine.                                  */
 233 /*    This routine returns 0 on success. Any other return value         */
 234 /*    indicates an error.                                               */
 235 /*                                                                      */
 236 /************************************************************************/
 237 int
 238 lpfc_config_port_post(struct lpfc_hba *phba)
 239 {
 240         struct lpfc_vport *vport = phba->pport;
 241         LPFC_MBOXQ_t *pmb;
 242         MAILBOX_t *mb;
 243         struct lpfc_dmabuf *mp;
 244         struct lpfc_sli *psli = &phba->sli;
 245         uint32_t status, timeout;
 246         int i, j;
 247         int rc;
 248
 249         spin_lock_irq(&phba->hbalock);
 250         /*
 251          * If the Config port completed correctly the HBA is not
 252          * over heated any more.
 253          */
 254         if (phba->over_temp_state == HBA_OVER_TEMP)
 255                 phba->over_temp_state = HBA_NORMAL_TEMP;
 256         spin_unlock_irq(&phba->hbalock);
 257
 258         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 259         if (!pmb) {
 260                 phba->link_state = LPFC_HBA_ERROR;
 261                 return -ENOMEM;
 262         }
 263         mb = &pmb->mb;
 264
 265         /* Get login parameters for NID.  */
 266         lpfc_read_sparam(phba, pmb, 0);
 267         pmb->vport = vport;
 268         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 269                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 270                                 "0448 Adapter failed init, mbxCmd x%x "
 271                                 "READ_SPARM mbxStatus x%x\n",
 272                                 mb->mbxCommand, mb->mbxStatus);
 273                 phba->link_state = LPFC_HBA_ERROR;
 274                 mp = (struct lpfc_dmabuf *) pmb->context1;
 275                 mempool_free( pmb, phba->mbox_mem_pool);
 276                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 277                 kfree(mp);
 278                 return -EIO;
 279         }
 280
 281         mp = (struct lpfc_dmabuf *) pmb->context1;
 282
 283         memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
 284         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 285         kfree(mp);
 286         pmb->context1 = NULL;
 287
 288         if (phba->cfg_soft_wwnn)
 289                 u64_to_wwn(phba->cfg_soft_wwnn,
 290                            vport->fc_sparam.nodeName.u.wwn);
 291         if (phba->cfg_soft_wwpn)
 292                 u64_to_wwn(phba->cfg_soft_wwpn,
 293                            vport->fc_sparam.portName.u.wwn);
 294         memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
 295                sizeof (struct lpfc_name));
 296         memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
 297                sizeof (struct lpfc_name));
 298         /* If no serial number in VPD data, use low 6 bytes of WWNN */
 299         /* This should be consolidated into parse_vpd ? - mr */
 300         if (phba->SerialNumber[0] == 0) {
 301                 uint8_t *outptr;
 302
 303                 outptr = &vport->fc_nodename.u.s.IEEE[0];
 304                 for (i = 0; i < 12; i++) {
 305                         status = *outptr++;
 306                         j = ((status & 0xf0) >> 4);
 307                         if (j <= 9)
 308                                 phba->SerialNumber[i] =
 309                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 310                         else
 311                                 phba->SerialNumber[i] =
 312                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 313                         i++;
 314                         j = (status & 0xf);
 315                         if (j <= 9)
 316                                 phba->SerialNumber[i] =
 317                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 318                         else
 319                                 phba->SerialNumber[i] =
 320                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 321                 }
 322         }
 323
 324         lpfc_read_config(phba, pmb);
 325         pmb->vport = vport;
 326         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 327                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 328                                 "0453 Adapter failed to init, mbxCmd x%x "
 329                                 "READ_CONFIG, mbxStatus x%x\n",
 330                                 mb->mbxCommand, mb->mbxStatus);
 331                 phba->link_state = LPFC_HBA_ERROR;
 332                 mempool_free( pmb, phba->mbox_mem_pool);
 333                 return -EIO;
 334         }
 335
 336         /* Reset the DFT_HBA_Q_DEPTH to the max xri  */
 337         if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
 338                 phba->cfg_hba_queue_depth =
 339                         mb->un.varRdConfig.max_xri + 1;
 340
 341         phba->lmt = mb->un.varRdConfig.lmt;
 342
 343         /* Get the default values for Model Name and Description */
 344         lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
 345
 346         if ((phba->cfg_link_speed > LINK_SPEED_10G)
 347             || ((phba->cfg_link_speed == LINK_SPEED_1G)
 348                 && !(phba->lmt & LMT_1Gb))
 349             || ((phba->cfg_link_speed == LINK_SPEED_2G)
 350                 && !(phba->lmt & LMT_2Gb))
 351             || ((phba->cfg_link_speed == LINK_SPEED_4G)
 352                 && !(phba->lmt & LMT_4Gb))
 353             || ((phba->cfg_link_speed == LINK_SPEED_8G)
 354                 && !(phba->lmt & LMT_8Gb))
 355             || ((phba->cfg_link_speed == LINK_SPEED_10G)
 356                 && !(phba->lmt & LMT_10Gb))) {
 357                 /* Reset link speed to auto */
 358                 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT,
 359                         "1302 Invalid speed for this board: "
 360                         "Reset link speed to auto: x%x\n",
 361                         phba->cfg_link_speed);
 362                         phba->cfg_link_speed = LINK_SPEED_AUTO;
 363         }
 364
 365         phba->link_state = LPFC_LINK_DOWN;
 366
 367         /* Only process IOCBs on ELS ring till hba_state is READY */
 368         if (psli->ring[psli->extra_ring].cmdringaddr)
 369                 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
 370         if (psli->ring[psli->fcp_ring].cmdringaddr)
 371                 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
 372         if (psli->ring[psli->next_ring].cmdringaddr)
 373                 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
 374
 375         /* Post receive buffers for desired rings */
 376         if (phba->sli_rev != 3)
 377                 lpfc_post_rcv_buf(phba);
 378
 379         /* Enable appropriate host interrupts */
 380         spin_lock_irq(&phba->hbalock);
 381         status = readl(phba->HCregaddr);
 382         status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
 383         if (psli->num_rings > 0)
 384                 status |= HC_R0INT_ENA;
 385         if (psli->num_rings > 1)
 386                 status |= HC_R1INT_ENA;
 387         if (psli->num_rings > 2)
 388                 status |= HC_R2INT_ENA;
 389         if (psli->num_rings > 3)
 390                 status |= HC_R3INT_ENA;
 391
 392         if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
 393             (phba->cfg_poll & DISABLE_FCP_RING_INT))
 394                 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
 395
 396         writel(status, phba->HCregaddr);
 397         readl(phba->HCregaddr); /* flush */
 398         spin_unlock_irq(&phba->hbalock);
 399
 400         /*
 401          * Setup the ring 0 (els)  timeout handler
 402          */
 403         timeout = phba->fc_ratov << 1;
 404         mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
 405         mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 406         phba->hb_outstanding = 0;
 407         phba->last_completion_time = jiffies;
 408
 409         lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
 410         pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 411         pmb->vport = vport;
 412         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
 413         lpfc_set_loopback_flag(phba);
 414         if (rc != MBX_SUCCESS) {
 415                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 416                                 "0454 Adapter failed to init, mbxCmd x%x "
 417                                 "INIT_LINK, mbxStatus x%x\n",
 418                                 mb->mbxCommand, mb->mbxStatus);
 419
 420                 /* Clear all interrupt enable conditions */
 421                 writel(0, phba->HCregaddr);
 422                 readl(phba->HCregaddr); /* flush */
 423                 /* Clear all pending interrupts */
 424                 writel(0xffffffff, phba->HAregaddr);
 425                 readl(phba->HAregaddr); /* flush */
 426
 427                 phba->link_state = LPFC_HBA_ERROR;
 428                 if (rc != MBX_BUSY)
 429                         mempool_free(pmb, phba->mbox_mem_pool);
 430                 return -EIO;
 431         }
 432         /* MBOX buffer will be freed in mbox compl */
 433         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 434         lpfc_config_async(phba, pmb, LPFC_ELS_RING);
 435         pmb->mbox_cmpl = lpfc_config_async_cmpl;
 436         pmb->vport = phba->pport;
 437         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
 438
 439         if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
 440                 lpfc_printf_log(phba,
 441                                 KERN_ERR,
 442                                 LOG_INIT,
 443                                 "0456 Adapter failed to issue "
 444                                 "ASYNCEVT_ENABLE mbox status x%x \n.",
 445                                 rc);
 446                 mempool_free(pmb, phba->mbox_mem_pool);
 447         }
 448         return (0);
 449 }
 450
 451 /************************************************************************/
 452 /*                                                                      */
 453 /*    lpfc_hba_down_prep                                                */
 454 /*    This routine will do LPFC uninitialization before the             */
 455 /*    HBA is reset when bringing down the SLI Layer. This will be       */
 456 /*    initialized as a SLI layer callback routine.                      */
 457 /*    This routine returns 0 on success. Any other return value         */
 458 /*    indicates an error.                                               */
 459 /*                                                                      */
 460 /************************************************************************/
 461 int
 462 lpfc_hba_down_prep(struct lpfc_hba *phba)
 463 {
 464         /* Disable interrupts */
 465         writel(0, phba->HCregaddr);
 466         readl(phba->HCregaddr); /* flush */
 467
 468         lpfc_cleanup_discovery_resources(phba->pport);
 469         return 0;
 470 }
 471
 472 /************************************************************************/
 473 /*                                                                      */
 474 /*    lpfc_hba_down_post                                                */
 475 /*    This routine will do uninitialization after the HBA is reset      */
 476 /*    when bringing down the SLI Layer.                                 */
 477 /*    This routine returns 0 on success. Any other return value         */
 478 /*    indicates an error.                                               */
 479 /*                                                                      */
 480 /************************************************************************/
 481 int
 482 lpfc_hba_down_post(struct lpfc_hba *phba)
 483 {
 484         struct lpfc_sli *psli = &phba->sli;
 485         struct lpfc_sli_ring *pring;
 486         struct lpfc_dmabuf *mp, *next_mp;
 487         int i;
 488
 489         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
 490                 lpfc_sli_hbqbuf_free_all(phba);
 491         else {
 492                 /* Cleanup preposted buffers on the ELS ring */
 493                 pring = &psli->ring[LPFC_ELS_RING];
 494                 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
 495                         list_del(&mp->list);
 496                         pring->postbufq_cnt--;
 497                         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 498                         kfree(mp);
 499                 }
 500         }
 501
 502         for (i = 0; i < psli->num_rings; i++) {
 503                 pring = &psli->ring[i];
 504                 lpfc_sli_abort_iocb_ring(phba, pring);
 505         }
 506
 507         return 0;
 508 }
 509
 510 /* HBA heart beat timeout handler */
 511 static void
 512 lpfc_hb_timeout(unsigned long ptr)
 513 {
 514         struct lpfc_hba *phba;
 515         unsigned long iflag;
 516
 517         phba = (struct lpfc_hba *)ptr;
 518         spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
 519         if (!(phba->pport->work_port_events & WORKER_HB_TMO))
 520                 phba->pport->work_port_events |= WORKER_HB_TMO;
 521         spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
 522
 523         if (phba->work_wait)
 524                 wake_up(phba->work_wait);
 525         return;
 526 }
 527
 528 static void
 529 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
 530 {
 531         unsigned long drvr_flag;
 532
 533         spin_lock_irqsave(&phba->hbalock, drvr_flag);
 534         phba->hb_outstanding = 0;
 535         spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
 536
 537         mempool_free(pmboxq, phba->mbox_mem_pool);
 538         if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
 539                 !(phba->link_state == LPFC_HBA_ERROR) &&
 540                 !(phba->pport->load_flag & FC_UNLOADING))
 541                 mod_timer(&phba->hb_tmofunc,
 542                         jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 543         return;
 544 }
 545
 546 void
 547 lpfc_hb_timeout_handler(struct lpfc_hba *phba)
 548 {
 549         LPFC_MBOXQ_t *pmboxq;
 550         struct lpfc_dmabuf *buf_ptr;
 551         int retval;
 552         struct lpfc_sli *psli = &phba->sli;
 553         LIST_HEAD(completions);
 554
 555         if ((phba->link_state == LPFC_HBA_ERROR) ||
 556                 (phba->pport->load_flag & FC_UNLOADING) ||
 557                 (phba->pport->fc_flag & FC_OFFLINE_MODE))
 558                 return;
 559
 560         spin_lock_irq(&phba->pport->work_port_lock);
 561         /* If the timer is already canceled do nothing */
 562         if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
 563                 spin_unlock_irq(&phba->pport->work_port_lock);
 564                 return;
 565         }
 566
 567         if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
 568                 jiffies)) {
 569                 spin_unlock_irq(&phba->pport->work_port_lock);
 570                 if (!phba->hb_outstanding)
 571                         mod_timer(&phba->hb_tmofunc,
 572                                 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 573                 else
 574                         mod_timer(&phba->hb_tmofunc,
 575                                 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
 576                 return;
 577         }
 578         spin_unlock_irq(&phba->pport->work_port_lock);
 579
 580         if (phba->elsbuf_cnt &&
 581                 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
 582                 spin_lock_irq(&phba->hbalock);
 583                 list_splice_init(&phba->elsbuf, &completions);
 584                 phba->elsbuf_cnt = 0;
 585                 phba->elsbuf_prev_cnt = 0;
 586                 spin_unlock_irq(&phba->hbalock);
 587
 588                 while (!list_empty(&completions)) {
 589                         list_remove_head(&completions, buf_ptr,
 590                                 struct lpfc_dmabuf, list);
 591                         lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 592                         kfree(buf_ptr);
 593                 }
 594         }
 595         phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
 596
 597
 598         /* If there is no heart beat outstanding, issue a heartbeat command */
 599         if (!phba->hb_outstanding) {
 600                 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
 601                 if (!pmboxq) {
 602                         mod_timer(&phba->hb_tmofunc,
 603                                 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 604                         return;
 605                 }
 606
 607                 lpfc_heart_beat(phba, pmboxq);
 608                 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
 609                 pmboxq->vport = phba->pport;
 610                 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
 611
 612                 if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
 613                         mempool_free(pmboxq, phba->mbox_mem_pool);
 614                         mod_timer(&phba->hb_tmofunc,
 615                                 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 616                         return;
 617                 }
 618                 mod_timer(&phba->hb_tmofunc,
 619                         jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
 620                 phba->hb_outstanding = 1;
 621                 return;
 622         } else {
 623                 /*
 624                  * If heart beat timeout called with hb_outstanding set we
 625                  * need to take the HBA offline.
 626                  */
 627                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 628                                 "0459 Adapter heartbeat failure, taking "
 629                                 "this port offline.\n");
 630
 631                 spin_lock_irq(&phba->hbalock);
 632                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 633                 spin_unlock_irq(&phba->hbalock);
 634
 635                 lpfc_offline_prep(phba);
 636                 lpfc_offline(phba);
 637                 lpfc_unblock_mgmt_io(phba);
 638                 phba->link_state = LPFC_HBA_ERROR;
 639                 lpfc_hba_down_post(phba);
 640         }
 641 }
 642
 643 /************************************************************************/
 644 /*                                                                      */
 645 /*    lpfc_handle_eratt                                                 */
 646 /*    This routine will handle processing a Host Attention              */
 647 /*    Error Status event. This will be initialized                      */
 648 /*    as a SLI layer callback routine.                                  */
 649 /*                                                                      */
 650 /************************************************************************/
 651 void
 652 lpfc_handle_eratt(struct lpfc_hba *phba)
 653 {
 654         struct lpfc_vport *vport = phba->pport;
 655         struct lpfc_sli   *psli = &phba->sli;
 656         struct lpfc_sli_ring  *pring;
 657         struct lpfc_vport **vports;
 658         uint32_t event_data;
 659         unsigned long temperature;
 660         struct temp_event temp_event_data;
 661         struct Scsi_Host  *shost;
 662         int i;
 663
 664         /* If the pci channel is offline, ignore possible errors,
 665          * since we cannot communicate with the pci card anyway. */
 666         if (pci_channel_offline(phba->pcidev))
 667                 return;
 668
 669         if (phba->work_hs & HS_FFER6 ||
 670             phba->work_hs & HS_FFER5) {
 671                 /* Re-establishing Link */
 672                 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
 673                                 "1301 Re-establishing Link "
 674                                 "Data: x%x x%x x%x\n",
 675                                 phba->work_hs,
 676                                 phba->work_status[0], phba->work_status[1]);
 677                 vports = lpfc_create_vport_work_array(phba);
 678                 if (vports != NULL)
 679                         for(i = 0;
 680                             i < LPFC_MAX_VPORTS && vports[i] != NULL;
 681                             i++){
 682                                 shost = lpfc_shost_from_vport(vports[i]);
 683                                 spin_lock_irq(shost->host_lock);
 684                                 vports[i]->fc_flag |= FC_ESTABLISH_LINK;
 685                                 spin_unlock_irq(shost->host_lock);
 686                         }
 687                 lpfc_destroy_vport_work_array(vports);
 688                 spin_lock_irq(&phba->hbalock);
 689                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 690                 spin_unlock_irq(&phba->hbalock);
 691
 692                 /*
 693                 * Firmware stops when it triggled erratt with HS_FFER6.
 694                 * That could cause the I/Os dropped by the firmware.
 695                 * Error iocb (I/O) on txcmplq and let the SCSI layer
 696                 * retry it after re-establishing link.
 697                 */
 698                 pring = &psli->ring[psli->fcp_ring];
 699                 lpfc_sli_abort_iocb_ring(phba, pring);
 700
 701
 702                 /*
 703                  * There was a firmware error.  Take the hba offline and then
 704                  * attempt to restart it.
 705                  */
 706                 lpfc_offline_prep(phba);
 707                 lpfc_offline(phba);
 708                 lpfc_sli_brdrestart(phba);
 709                 if (lpfc_online(phba) == 0) {   /* Initialize the HBA */
 710                         mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
 711                         lpfc_unblock_mgmt_io(phba);
 712                         return;
 713                 }
 714                 lpfc_unblock_mgmt_io(phba);
 715         } else if (phba->work_hs & HS_CRIT_TEMP) {
 716                 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
 717                 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
 718                 temp_event_data.event_code = LPFC_CRIT_TEMP;
 719                 temp_event_data.data = (uint32_t)temperature;
 720
 721                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 722                                 "0459 Adapter maximum temperature exceeded "
 723                                 "(%ld), taking this port offline "
 724                                 "Data: x%x x%x x%x\n",
 725                                 temperature, phba->work_hs,
 726                                 phba->work_status[0], phba->work_status[1]);
 727
 728                 shost = lpfc_shost_from_vport(phba->pport);
 729                 fc_host_post_vendor_event(shost, fc_get_event_number(),
 730                                           sizeof(temp_event_data),
 731                                           (char *) &temp_event_data,
 732                                           SCSI_NL_VID_TYPE_PCI
 733                                           | PCI_VENDOR_ID_EMULEX);
 734
 735                 spin_lock_irq(&phba->hbalock);
 736                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 737                 phba->over_temp_state = HBA_OVER_TEMP;
 738                 spin_unlock_irq(&phba->hbalock);
 739                 lpfc_offline_prep(phba);
 740                 lpfc_offline(phba);
 741                 lpfc_unblock_mgmt_io(phba);
 742                 phba->link_state = LPFC_HBA_ERROR;
 743                 lpfc_hba_down_post(phba);
 744
 745         } else {
 746                 /* The if clause above forces this code path when the status
 747                  * failure is a value other than FFER6.  Do not call the offline
 748                  *  twice. This is the adapter hardware error path.
 749                  */
 750                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 751                                 "0457 Adapter Hardware Error "
 752                                 "Data: x%x x%x x%x\n",
 753                                 phba->work_hs,
 754                                 phba->work_status[0], phba->work_status[1]);
 755
 756                 event_data = FC_REG_DUMP_EVENT;
 757                 shost = lpfc_shost_from_vport(vport);
 758                 fc_host_post_vendor_event(shost, fc_get_event_number(),
 759                                 sizeof(event_data), (char *) &event_data,
 760                                 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
 761
 762                 spin_lock_irq(&phba->hbalock);
 763                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 764                 spin_unlock_irq(&phba->hbalock);
 765                 lpfc_offline_prep(phba);
 766                 lpfc_offline(phba);
 767                 lpfc_unblock_mgmt_io(phba);
 768                 phba->link_state = LPFC_HBA_ERROR;
 769                 lpfc_hba_down_post(phba);
 770         }
 771 }
 772
 773 /************************************************************************/
 774 /*                                                                      */
 775 /*    lpfc_handle_latt                                                  */
 776 /*    This routine will handle processing a Host Attention              */
 777 /*    Link Status event. This will be initialized                       */
 778 /*    as a SLI layer callback routine.                                  */
 779 /*                                                                      */
 780 /************************************************************************/
 781 void
 782 lpfc_handle_latt(struct lpfc_hba *phba)
 783 {
 784         struct lpfc_vport *vport = phba->pport;
 785         struct lpfc_sli   *psli = &phba->sli;
 786         LPFC_MBOXQ_t *pmb;
 787         volatile uint32_t control;
 788         struct lpfc_dmabuf *mp;
 789         int rc = -ENOMEM;
 790
 791         pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 792         if (!pmb)
 793                 goto lpfc_handle_latt_err_exit;
 794
 795         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 796         if (!mp)
 797                 goto lpfc_handle_latt_free_pmb;
 798
 799         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
 800         if (!mp->virt)
 801                 goto lpfc_handle_latt_free_mp;
 802
 803         rc = -EIO;
 804
 805         /* Cleanup any outstanding ELS commands */
 806         lpfc_els_flush_all_cmd(phba);
 807
 808         psli->slistat.link_event++;
 809         lpfc_read_la(phba, pmb, mp);
 810         pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
 811         pmb->vport = vport;
 812         rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
 813         if (rc == MBX_NOT_FINISHED)
 814                 goto lpfc_handle_latt_free_mbuf;
 815
 816         /* Clear Link Attention in HA REG */
 817         spin_lock_irq(&phba->hbalock);
 818         writel(HA_LATT, phba->HAregaddr);
 819         readl(phba->HAregaddr); /* flush */
 820         spin_unlock_irq(&phba->hbalock);
 821
 822         return;
 823
 824 lpfc_handle_latt_free_mbuf:
 825         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 826 lpfc_handle_latt_free_mp:
 827         kfree(mp);
 828 lpfc_handle_latt_free_pmb:
 829         mempool_free(pmb, phba->mbox_mem_pool);
 830 lpfc_handle_latt_err_exit:
 831         /* Enable Link attention interrupts */
 832         spin_lock_irq(&phba->hbalock);
 833         psli->sli_flag |= LPFC_PROCESS_LA;
 834         control = readl(phba->HCregaddr);
 835         control |= HC_LAINT_ENA;
 836         writel(control, phba->HCregaddr);
 837         readl(phba->HCregaddr); /* flush */
 838
 839         /* Clear Link Attention in HA REG */
 840         writel(HA_LATT, phba->HAregaddr);
 841         readl(phba->HAregaddr); /* flush */
 842         spin_unlock_irq(&phba->hbalock);
 843         lpfc_linkdown(phba);
 844         phba->link_state = LPFC_HBA_ERROR;
 845
 846         /* The other case is an error from issue_mbox */
 847         if (rc == -ENOMEM)
 848                 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
 849                                 "0300 READ_LA: no buffers\n");
 850
 851         return;
 852 }
 853
 854 /************************************************************************/
 855 /*                                                                      */
 856 /*   lpfc_parse_vpd                                                     */
 857 /*   This routine will parse the VPD data                               */
 858 /*                                                                      */
 859 /************************************************************************/
 860 static int
 861 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
 862 {
 863         uint8_t lenlo, lenhi;
 864         int Length;
 865         int i, j;
 866         int finished = 0;
 867         int index = 0;
 868
 869         if (!vpd)
 870                 return 0;
 871
 872         /* Vital Product */
 873         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 874                         "0455 Vital Product Data: x%x x%x x%x x%x\n",
 875                         (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
 876                         (uint32_t) vpd[3]);
 877         while (!finished && (index < (len - 4))) {
 878                 switch (vpd[index]) {
 879                 case 0x82:
 880                 case 0x91:
 881                         index += 1;
 882                         lenlo = vpd[index];
 883                         index += 1;
 884                         lenhi = vpd[index];
 885                         index += 1;
 886                         i = ((((unsigned short)lenhi) << 8) + lenlo);
 887                         index += i;
 888                         break;
 889                 case 0x90:
 890                         index += 1;
 891                         lenlo = vpd[index];
 892                         index += 1;
 893                         lenhi = vpd[index];
 894                         index += 1;
 895                         Length = ((((unsigned short)lenhi) << 8) + lenlo);
 896                         if (Length > len - index)
 897                                 Length = len - index;
 898                         while (Length > 0) {
 899                         /* Look for Serial Number */
 900                         if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
 901                                 index += 2;
 902                                 i = vpd[index];
 903                                 index += 1;
 904                                 j = 0;
 905                                 Length -= (3+i);
 906                                 while(i--) {
 907                                         phba->SerialNumber[j++] = vpd[index++];
 908                                         if (j == 31)
 909                                                 break;
 910                                 }
 911                                 phba->SerialNumber[j] = 0;
 912                                 continue;
 913                         }
 914                         else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
 915                                 phba->vpd_flag |= VPD_MODEL_DESC;
 916                                 index += 2;
 917                                 i = vpd[index];
 918                                 index += 1;
 919                                 j = 0;
 920                                 Length -= (3+i);
 921                                 while(i--) {
 922                                         phba->ModelDesc[j++] = vpd[index++];
 923                                         if (j == 255)
 924                                                 break;
 925                                 }
 926                                 phba->ModelDesc[j] = 0;
 927                                 continue;
 928                         }
 929                         else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
 930                                 phba->vpd_flag |= VPD_MODEL_NAME;
 931                                 index += 2;
 932                                 i = vpd[index];
 933                                 index += 1;
 934                                 j = 0;
 935                                 Length -= (3+i);
 936                                 while(i--) {
 937                                         phba->ModelName[j++] = vpd[index++];
 938                                         if (j == 79)
 939                                                 break;
 940                                 }
 941                                 phba->ModelName[j] = 0;
 942                                 continue;
 943                         }
 944                         else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
 945                                 phba->vpd_flag |= VPD_PROGRAM_TYPE;
 946                                 index += 2;
 947                                 i = vpd[index];
 948                                 index += 1;
 949                                 j = 0;
 950                                 Length -= (3+i);
 951                                 while(i--) {
 952                                         phba->ProgramType[j++] = vpd[index++];
 953                                         if (j == 255)
 954                                                 break;
 955                                 }
 956                                 phba->ProgramType[j] = 0;
 957                                 continue;
 958                         }
 959                         else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
 960                                 phba->vpd_flag |= VPD_PORT;
 961                                 index += 2;
 962                                 i = vpd[index];
 963                                 index += 1;
 964                                 j = 0;
 965                                 Length -= (3+i);
 966                                 while(i--) {
 967                                 phba->Port[j++] = vpd[index++];
 968                                 if (j == 19)
 969                                         break;
 970                                 }
 971                                 phba->Port[j] = 0;
 972                                 continue;
 973                         }
 974                         else {
 975                                 index += 2;
 976                                 i = vpd[index];
 977                                 index += 1;
 978                                 index += i;
 979                                 Length -= (3 + i);
 980                         }
 981                 }
 982                 finished = 0;
 983                 break;
 984                 case 0x78:
 985                         finished = 1;
 986                         break;
 987                 default:
 988                         index ++;
 989                         break;
 990                 }
 991         }
 992
 993         return(1);
 994 }
 995
 996 static void
 997 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
 998 {
 999         lpfc_vpd_t *vp;
1000         uint16_t dev_id = phba->pcidev->device;
1001         int max_speed;
1002         struct {
1003                 char * name;
1004                 int    max_speed;
1005                 char * bus;
1006         } m = {"<Unknown>", 0, ""};
1007
1008         if (mdp && mdp[0] != '\0'
1009                 && descp && descp[0] != '\0')
1010                 return;
1011
1012         if (phba->lmt & LMT_10Gb)
1013                 max_speed = 10;
1014         else if (phba->lmt & LMT_8Gb)
1015                 max_speed = 8;
1016         else if (phba->lmt & LMT_4Gb)
1017                 max_speed = 4;
1018         else if (phba->lmt & LMT_2Gb)
1019                 max_speed = 2;
1020         else
1021                 max_speed = 1;
1022
1023         vp = &phba->vpd;
1024
1025         switch (dev_id) {
1026         case PCI_DEVICE_ID_FIREFLY:
1027                 m = (typeof(m)){"LP6000", max_speed, "PCI"};
1028                 break;
1029         case PCI_DEVICE_ID_SUPERFLY:
1030                 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
1031                         m = (typeof(m)){"LP7000", max_speed,  "PCI"};
1032                 else
1033                         m = (typeof(m)){"LP7000E", max_speed, "PCI"};
1034                 break;
1035         case PCI_DEVICE_ID_DRAGONFLY:
1036                 m = (typeof(m)){"LP8000", max_speed, "PCI"};
1037                 break;
1038         case PCI_DEVICE_ID_CENTAUR:
1039                 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
1040                         m = (typeof(m)){"LP9002", max_speed, "PCI"};
1041                 else
1042                         m = (typeof(m)){"LP9000", max_speed, "PCI"};
1043                 break;
1044         case PCI_DEVICE_ID_RFLY:
1045                 m = (typeof(m)){"LP952", max_speed, "PCI"};
1046                 break;
1047         case PCI_DEVICE_ID_PEGASUS:
1048                 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
1049                 break;
1050         case PCI_DEVICE_ID_THOR:
1051                 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
1052                 break;
1053         case PCI_DEVICE_ID_VIPER:
1054                 m = (typeof(m)){"LPX1000", max_speed,  "PCI-X"};
1055                 break;
1056         case PCI_DEVICE_ID_PFLY:
1057                 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
1058                 break;
1059         case PCI_DEVICE_ID_TFLY:
1060                 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
1061                 break;
1062         case PCI_DEVICE_ID_HELIOS:
1063                 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
1064                 break;
1065         case PCI_DEVICE_ID_HELIOS_SCSP:
1066                 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
1067                 break;
1068         case PCI_DEVICE_ID_HELIOS_DCSP:
1069                 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
1070                 break;
1071         case PCI_DEVICE_ID_NEPTUNE:
1072                 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
1073                 break;
1074         case PCI_DEVICE_ID_NEPTUNE_SCSP:
1075                 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
1076                 break;
1077         case PCI_DEVICE_ID_NEPTUNE_DCSP:
1078                 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
1079                 break;
1080         case PCI_DEVICE_ID_BMID:
1081                 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
1082                 break;
1083         case PCI_DEVICE_ID_BSMB:
1084                 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
1085                 break;
1086         case PCI_DEVICE_ID_ZEPHYR:
1087                 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1088                 break;
1089         case PCI_DEVICE_ID_ZEPHYR_SCSP:
1090                 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1091                 break;
1092         case PCI_DEVICE_ID_ZEPHYR_DCSP:
1093                 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
1094                 break;
1095         case PCI_DEVICE_ID_ZMID:
1096                 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
1097                 break;
1098         case PCI_DEVICE_ID_ZSMB:
1099                 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
1100                 break;
1101         case PCI_DEVICE_ID_LP101:
1102                 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
1103                 break;
1104         case PCI_DEVICE_ID_LP10000S:
1105                 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1106                 break;
1107         case PCI_DEVICE_ID_LP11000S:
1108                 m = (typeof(m)){"LP11000-S", max_speed,
1109                         "PCI-X2"};
1110                 break;
1111         case PCI_DEVICE_ID_LPE11000S:
1112                 m = (typeof(m)){"LPe11000-S", max_speed,
1113                         "PCIe"};
1114                 break;
1115         case PCI_DEVICE_ID_SAT:
1116                 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1117                 break;
1118         case PCI_DEVICE_ID_SAT_MID:
1119                 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1120                 break;
1121         case PCI_DEVICE_ID_SAT_SMB:
1122                 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1123                 break;
1124         case PCI_DEVICE_ID_SAT_DCSP:
1125                 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1126                 break;
1127         case PCI_DEVICE_ID_SAT_SCSP:
1128                 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1129                 break;
1130         case PCI_DEVICE_ID_SAT_S:
1131                 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1132                 break;
1133         default:
1134                 m = (typeof(m)){ NULL };
1135                 break;
1136         }
1137
1138         if (mdp && mdp[0] == '\0')
1139                 snprintf(mdp, 79,"%s", m.name);
1140         if (descp && descp[0] == '\0')
1141                 snprintf(descp, 255,
1142                          "Emulex %s %dGb %s Fibre Channel Adapter",
1143                          m.name, m.max_speed, m.bus);
1144 }
1145
1146 /**************************************************/
1147 /*   lpfc_post_buffer                             */
1148 /*                                                */
1149 /*   This routine will post count buffers to the  */
1150 /*   ring with the QUE_RING_BUF_CN command. This  */
1151 /*   allows 3 buffers / command to be posted.     */
1152 /*   Returns the number of buffers NOT posted.    */
1153 /**************************************************/
1154 int
1155 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
1156                  int type)
1157 {
1158         IOCB_t *icmd;
1159         struct lpfc_iocbq *iocb;
1160         struct lpfc_dmabuf *mp1, *mp2;
1161
1162         cnt += pring->missbufcnt;
1163
1164         /* While there are buffers to post */
1165         while (cnt > 0) {
1166                 /* Allocate buffer for  command iocb */
1167                 iocb = lpfc_sli_get_iocbq(phba);
1168                 if (iocb == NULL) {
1169                         pring->missbufcnt = cnt;
1170                         return cnt;
1171                 }
1172                 icmd = &iocb->iocb;
1173
1174                 /* 2 buffers can be posted per command */
1175                 /* Allocate buffer to post */
1176                 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1177                 if (mp1)
1178                     mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
1179                 if (!mp1 || !mp1->virt) {
1180                         kfree(mp1);
1181                         lpfc_sli_release_iocbq(phba, iocb);
1182                         pring->missbufcnt = cnt;
1183                         return cnt;
1184                 }
1185
1186                 INIT_LIST_HEAD(&mp1->list);
1187                 /* Allocate buffer to post */
1188                 if (cnt > 1) {
1189                         mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1190                         if (mp2)
1191                                 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1192                                                             &mp2->phys);
1193                         if (!mp2 || !mp2->virt) {
1194                                 kfree(mp2);
1195                                 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1196                                 kfree(mp1);
1197                                 lpfc_sli_release_iocbq(phba, iocb);
1198                                 pring->missbufcnt = cnt;
1199                                 return cnt;
1200                         }
1201
1202                         INIT_LIST_HEAD(&mp2->list);
1203                 } else {
1204                         mp2 = NULL;
1205                 }
1206
1207                 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1208                 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1209                 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1210                 icmd->ulpBdeCount = 1;
1211                 cnt--;
1212                 if (mp2) {
1213                         icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1214                         icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1215                         icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1216                         cnt--;
1217                         icmd->ulpBdeCount = 2;
1218                 }
1219
1220                 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1221                 icmd->ulpLe = 1;
1222
1223                 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1224                         lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1225                         kfree(mp1);
1226                         cnt++;
1227                         if (mp2) {
1228                                 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1229                                 kfree(mp2);
1230                                 cnt++;
1231                         }
1232                         lpfc_sli_release_iocbq(phba, iocb);
1233                         pring->missbufcnt = cnt;
1234                         return cnt;
1235                 }
1236                 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1237                 if (mp2)
1238                         lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1239         }
1240         pring->missbufcnt = 0;
1241         return 0;
1242 }
1243
1244 /************************************************************************/
1245 /*                                                                      */
1246 /*   lpfc_post_rcv_buf                                                  */
1247 /*   This routine post initial rcv buffers to the configured rings      */
1248 /*                                                                      */
1249 /************************************************************************/
1250 static int
1251 lpfc_post_rcv_buf(struct lpfc_hba *phba)
1252 {
1253         struct lpfc_sli *psli = &phba->sli;
1254
1255         /* Ring 0, ELS / CT buffers */
1256         lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1257         /* Ring 2 - FCP no buffers needed */
1258
1259         return 0;
1260 }
1261
1262 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1263
1264 /************************************************************************/
1265 /*                                                                      */
1266 /*   lpfc_sha_init                                                      */
1267 /*                                                                      */
1268 /************************************************************************/
1269 static void
1270 lpfc_sha_init(uint32_t * HashResultPointer)
1271 {
1272         HashResultPointer[0] = 0x67452301;
1273         HashResultPointer[1] = 0xEFCDAB89;
1274         HashResultPointer[2] = 0x98BADCFE;
1275         HashResultPointer[3] = 0x10325476;
1276         HashResultPointer[4] = 0xC3D2E1F0;
1277 }
1278
1279 /************************************************************************/
1280 /*                                                                      */
1281 /*   lpfc_sha_iterate                                                   */
1282 /*                                                                      */
1283 /************************************************************************/
1284 static void
1285 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1286 {
1287         int t;
1288         uint32_t TEMP;
1289         uint32_t A, B, C, D, E;
1290         t = 16;
1291         do {
1292                 HashWorkingPointer[t] =
1293                     S(1,
1294                       HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1295                                                                      8] ^
1296                       HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1297         } while (++t <= 79);
1298         t = 0;
1299         A = HashResultPointer[0];
1300         B = HashResultPointer[1];
1301         C = HashResultPointer[2];
1302         D = HashResultPointer[3];
1303         E = HashResultPointer[4];
1304
1305         do {
1306                 if (t < 20) {
1307                         TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1308                 } else if (t < 40) {
1309                         TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1310                 } else if (t < 60) {
1311                         TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1312                 } else {
1313                         TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1314                 }
1315                 TEMP += S(5, A) + E + HashWorkingPointer[t];
1316                 E = D;
1317                 D = C;
1318                 C = S(30, B);
1319                 B = A;
1320                 A = TEMP;
1321         } while (++t <= 79);
1322
1323         HashResultPointer[0] += A;
1324         HashResultPointer[1] += B;
1325         HashResultPointer[2] += C;
1326         HashResultPointer[3] += D;
1327         HashResultPointer[4] += E;
1328
1329 }
1330
1331 /************************************************************************/
1332 /*                                                                      */
1333 /*   lpfc_challenge_key                                                 */
1334 /*                                                                      */
1335 /************************************************************************/
1336 static void
1337 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1338 {
1339         *HashWorking = (*RandomChallenge ^ *HashWorking);
1340 }
1341
1342 /************************************************************************/
1343 /*                                                                      */
1344 /*   lpfc_hba_init                                                      */
1345 /*                                                                      */
1346 /************************************************************************/
1347 void
1348 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1349 {
1350         int t;
1351         uint32_t *HashWorking;
1352         uint32_t *pwwnn = (uint32_t *) phba->wwnn;
1353
1354         HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
1355         if (!HashWorking)
1356                 return;
1357
1358         HashWorking[0] = HashWorking[78] = *pwwnn++;
1359         HashWorking[1] = HashWorking[79] = *pwwnn;
1360
1361         for (t = 0; t < 7; t++)
1362                 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1363
1364         lpfc_sha_init(hbainit);
1365         lpfc_sha_iterate(hbainit, HashWorking);
1366         kfree(HashWorking);
1367 }
1368
1369 void
1370 lpfc_cleanup(struct lpfc_vport *vport)
1371 {
1372         struct lpfc_hba   *phba = vport->phba;
1373         struct lpfc_nodelist *ndlp, *next_ndlp;
1374         int i = 0;
1375
1376         if (phba->link_state > LPFC_LINK_DOWN)
1377                 lpfc_port_link_failure(vport);
1378
1379         list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1380                 if (ndlp->nlp_type & NLP_FABRIC)
1381                         lpfc_disc_state_machine(vport, ndlp, NULL,
1382                                         NLP_EVT_DEVICE_RECOVERY);
1383                 lpfc_disc_state_machine(vport, ndlp, NULL,
1384                                              NLP_EVT_DEVICE_RM);
1385         }
1386
1387         /* At this point, ALL ndlp's should be gone
1388          * because of the previous NLP_EVT_DEVICE_RM.
1389          * Lets wait for this to happen, if needed.
1390          */
1391         while (!list_empty(&vport->fc_nodes)) {
1392
1393                 if (i++ > 3000) {
1394                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1395                                 "0233 Nodelist not empty\n");
1396                         break;
1397                 }
1398
1399                 /* Wait for any activity on ndlps to settle */
1400                 msleep(10);
1401         }
1402         return;
1403 }
1404
1405 static void
1406 lpfc_establish_link_tmo(unsigned long ptr)
1407 {
1408         struct lpfc_hba   *phba = (struct lpfc_hba *) ptr;
1409         struct lpfc_vport **vports;
1410         unsigned long iflag;
1411         int i;
1412
1413         /* Re-establishing Link, timer expired */
1414         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1415                         "1300 Re-establishing Link, timer expired "
1416                         "Data: x%x x%x\n",
1417                         phba->pport->fc_flag, phba->pport->port_state);
1418         vports = lpfc_create_vport_work_array(phba);
1419         if (vports != NULL)
1420                 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1421                         struct Scsi_Host *shost;
1422                         shost = lpfc_shost_from_vport(vports[i]);
1423                         spin_lock_irqsave(shost->host_lock, iflag);
1424                         vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
1425                         spin_unlock_irqrestore(shost->host_lock, iflag);
1426                 }
1427         lpfc_destroy_vport_work_array(vports);
1428 }
1429
1430 void
1431 lpfc_stop_vport_timers(struct lpfc_vport *vport)
1432 {
1433         del_timer_sync(&vport->els_tmofunc);
1434         del_timer_sync(&vport->fc_fdmitmo);
1435         lpfc_can_disctmo(vport);
1436         return;
1437 }
1438
1439 static void
1440 lpfc_stop_phba_timers(struct lpfc_hba *phba)
1441 {
1442         del_timer_sync(&phba->fcp_poll_timer);
1443         del_timer_sync(&phba->fc_estabtmo);
1444         lpfc_stop_vport_timers(phba->pport);
1445         del_timer_sync(&phba->sli.mbox_tmo);
1446         del_timer_sync(&phba->fabric_block_timer);
1447         phba->hb_outstanding = 0;
1448         del_timer_sync(&phba->hb_tmofunc);
1449         return;
1450 }
1451
1452 static void
1453 lpfc_block_mgmt_io(struct lpfc_hba * phba)
1454 {
1455         unsigned long iflag;
1456
1457         spin_lock_irqsave(&phba->hbalock, iflag);
1458         phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1459         spin_unlock_irqrestore(&phba->hbalock, iflag);
1460 }
1461
1462 int
1463 lpfc_online(struct lpfc_hba *phba)
1464 {
1465         struct lpfc_vport *vport = phba->pport;
1466         struct lpfc_vport **vports;
1467         int i;
1468
1469         if (!phba)
1470                 return 0;
1471
1472         if (!(vport->fc_flag & FC_OFFLINE_MODE))
1473                 return 0;
1474
1475         lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1476                         "0458 Bring Adapter online\n");
1477
1478         lpfc_block_mgmt_io(phba);
1479
1480         if (!lpfc_sli_queue_setup(phba)) {
1481                 lpfc_unblock_mgmt_io(phba);
1482                 return 1;
1483         }
1484
1485         if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1486                 lpfc_unblock_mgmt_io(phba);
1487                 return 1;
1488         }
1489
1490         vports = lpfc_create_vport_work_array(phba);
1491         if (vports != NULL)
1492                 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1493                         struct Scsi_Host *shost;
1494                         shost = lpfc_shost_from_vport(vports[i]);
1495                         spin_lock_irq(shost->host_lock);
1496                         vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1497                         if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1498                                 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1499                         spin_unlock_irq(shost->host_lock);
1500                 }
1501                 lpfc_destroy_vport_work_array(vports);
1502
1503         lpfc_unblock_mgmt_io(phba);
1504         return 0;
1505 }
1506
1507 void
1508 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1509 {
1510         unsigned long iflag;
1511
1512         spin_lock_irqsave(&phba->hbalock, iflag);
1513         phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1514         spin_unlock_irqrestore(&phba->hbalock, iflag);
1515 }
1516
1517 void
1518 lpfc_offline_prep(struct lpfc_hba * phba)
1519 {
1520         struct lpfc_vport *vport = phba->pport;
1521         struct lpfc_nodelist  *ndlp, *next_ndlp;
1522         struct lpfc_vport **vports;
1523         int i;
1524
1525         if (vport->fc_flag & FC_OFFLINE_MODE)
1526                 return;
1527
1528         lpfc_block_mgmt_io(phba);
1529
1530         lpfc_linkdown(phba);
1531
1532         /* Issue an unreg_login to all nodes on all vports */
1533         vports = lpfc_create_vport_work_array(phba);
1534         if (vports != NULL) {
1535                 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1536                         struct Scsi_Host *shost;
1537
1538                         if (vports[i]->load_flag & FC_UNLOADING)
1539                                 continue;
1540                         shost = lpfc_shost_from_vport(vports[i]);
1541                         list_for_each_entry_safe(ndlp, next_ndlp,
1542                                                  &vports[i]->fc_nodes,
1543                                                  nlp_listp) {
1544                                 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
1545                                         continue;
1546                                 if (ndlp->nlp_type & NLP_FABRIC) {
1547                                         lpfc_disc_state_machine(vports[i], ndlp,
1548                                                 NULL, NLP_EVT_DEVICE_RECOVERY);
1549                                         lpfc_disc_state_machine(vports[i], ndlp,
1550                                                 NULL, NLP_EVT_DEVICE_RM);
1551                                 }
1552                                 spin_lock_irq(shost->host_lock);
1553                                 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
1554                                 spin_unlock_irq(shost->host_lock);
1555                                 lpfc_unreg_rpi(vports[i], ndlp);
1556                         }
1557                 }
1558         }
1559         lpfc_destroy_vport_work_array(vports);
1560
1561         lpfc_sli_flush_mbox_queue(phba);
1562 }
1563
1564 void
1565 lpfc_offline(struct lpfc_hba *phba)
1566 {
1567         struct Scsi_Host  *shost;
1568         struct lpfc_vport **vports;
1569         int i;
1570
1571         if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1572                 return;
1573
1574         /* stop all timers associated with this hba */
1575         lpfc_stop_phba_timers(phba);
1576         vports = lpfc_create_vport_work_array(phba);
1577         if (vports != NULL)
1578                 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++)
1579                         lpfc_stop_vport_timers(vports[i]);
1580         lpfc_destroy_vport_work_array(vports);
1581         lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1582                         "0460 Bring Adapter offline\n");
1583         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1584            now.  */
1585         lpfc_sli_hba_down(phba);
1586         spin_lock_irq(&phba->hbalock);
1587         phba->work_ha = 0;
1588         spin_unlock_irq(&phba->hbalock);
1589         vports = lpfc_create_vport_work_array(phba);
1590         if (vports != NULL)
1591                 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1592                         shost = lpfc_shost_from_vport(vports[i]);
1593                         spin_lock_irq(shost->host_lock);
1594                         vports[i]->work_port_events = 0;
1595                         vports[i]->fc_flag |= FC_OFFLINE_MODE;
1596                         spin_unlock_irq(shost->host_lock);
1597                 }
1598         lpfc_destroy_vport_work_array(vports);
1599 }
1600
1601 /******************************************************************************
1602 * Function name: lpfc_scsi_free
1603 *
1604 * Description: Called from lpfc_pci_remove_one free internal driver resources
1605 *
1606 ******************************************************************************/
1607 static int
1608 lpfc_scsi_free(struct lpfc_hba *phba)
1609 {
1610         struct lpfc_scsi_buf *sb, *sb_next;
1611         struct lpfc_iocbq *io, *io_next;
1612
1613         spin_lock_irq(&phba->hbalock);
1614         /* Release all the lpfc_scsi_bufs maintained by this host. */
1615         list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1616                 list_del(&sb->list);
1617                 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1618                               sb->dma_handle);
1619                 kfree(sb);
1620                 phba->total_scsi_bufs--;
1621         }
1622
1623         /* Release all the lpfc_iocbq entries maintained by this host. */
1624         list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1625                 list_del(&io->list);
1626                 kfree(io);
1627                 phba->total_iocbq_bufs--;
1628         }
1629
1630         spin_unlock_irq(&phba->hbalock);
1631
1632         return 0;
1633 }
1634
1635 struct lpfc_vport *
1636 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
1637 {
1638         struct lpfc_vport *vport;
1639         struct Scsi_Host  *shost;
1640         int error = 0;
1641
1642         if (dev != &phba->pcidev->dev)
1643                 shost = scsi_host_alloc(&lpfc_vport_template,
1644                                         sizeof(struct lpfc_vport));
1645         else
1646                 shost = scsi_host_alloc(&lpfc_template,
1647                                         sizeof(struct lpfc_vport));
1648         if (!shost)
1649                 goto out;
1650
1651         vport = (struct lpfc_vport *) shost->hostdata;
1652         vport->phba = phba;
1653
1654         vport->load_flag |= FC_LOADING;
1655         vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1656
1657         lpfc_get_vport_cfgparam(vport);
1658         shost->unique_id = instance;
1659         shost->max_id = LPFC_MAX_TARGET;
1660         shost->max_lun = vport->cfg_max_luns;
1661         shost->this_id = -1;
1662         shost->max_cmd_len = 16;
1663         /*
1664          * Set initial can_queue value since 0 is no longer supported and
1665          * scsi_add_host will fail. This will be adjusted later based on the
1666          * max xri value determined in hba setup.
1667          */
1668         shost->can_queue = phba->cfg_hba_queue_depth - 10;
1669         if (dev != &phba->pcidev->dev) {
1670                 shost->transportt = lpfc_vport_transport_template;
1671                 vport->port_type = LPFC_NPIV_PORT;
1672         } else {
1673                 shost->transportt = lpfc_transport_template;
1674                 vport->port_type = LPFC_PHYSICAL_PORT;
1675         }
1676
1677         /* Initialize all internally managed lists. */
1678         INIT_LIST_HEAD(&vport->fc_nodes);
1679         spin_lock_init(&vport->work_port_lock);
1680
1681         init_timer(&vport->fc_disctmo);
1682         vport->fc_disctmo.function = lpfc_disc_timeout;
1683         vport->fc_disctmo.data = (unsigned long)vport;
1684
1685         init_timer(&vport->fc_fdmitmo);
1686         vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
1687         vport->fc_fdmitmo.data = (unsigned long)vport;
1688
1689         init_timer(&vport->els_tmofunc);
1690         vport->els_tmofunc.function = lpfc_els_timeout;
1691         vport->els_tmofunc.data = (unsigned long)vport;
1692
1693         error = scsi_add_host(shost, dev);
1694         if (error)
1695                 goto out_put_shost;
1696
1697         spin_lock_irq(&phba->hbalock);
1698         list_add_tail(&vport->listentry, &phba->port_list);
1699         spin_unlock_irq(&phba->hbalock);
1700         return vport;
1701
1702 out_put_shost:
1703         scsi_host_put(shost);
1704 out:
1705         return NULL;
1706 }
1707
1708 void
1709 destroy_port(struct lpfc_vport *vport)
1710 {
1711         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1712         struct lpfc_hba  *phba = vport->phba;
1713
1714         kfree(vport->vname);
1715
1716         lpfc_debugfs_terminate(vport);
1717         fc_remove_host(shost);
1718         scsi_remove_host(shost);
1719
1720         spin_lock_irq(&phba->hbalock);
1721         list_del_init(&vport->listentry);
1722         spin_unlock_irq(&phba->hbalock);
1723
1724         lpfc_cleanup(vport);
1725         return;
1726 }
1727
1728 int
1729 lpfc_get_instance(void)
1730 {
1731         int instance = 0;
1732
1733         /* Assign an unused number */
1734         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1735                 return -1;
1736         if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1737                 return -1;
1738         return instance;
1739 }
1740
1741 /*
1742  * Note: there is no scan_start function as adapter initialization
1743  * will have asynchronously kicked off the link initialization.
1744  */
1745
1746 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1747 {
1748         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1749         struct lpfc_hba   *phba = vport->phba;
1750         int stat = 0;
1751
1752         spin_lock_irq(shost->host_lock);
1753
1754         if (vport->load_flag & FC_UNLOADING) {
1755                 stat = 1;
1756                 goto finished;
1757         }
1758         if (time >= 30 * HZ) {
1759                 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1760                                 "0461 Scanning longer than 30 "
1761                                 "seconds.  Continuing initialization\n");
1762                 stat = 1;
1763                 goto finished;
1764         }
1765         if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1766                 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1767                                 "0465 Link down longer than 15 "
1768                                 "seconds.  Continuing initialization\n");
1769                 stat = 1;
1770                 goto finished;
1771         }
1772
1773         if (vport->port_state != LPFC_VPORT_READY)
1774                 goto finished;
1775         if (vport->num_disc_nodes || vport->fc_prli_sent)
1776                 goto finished;
1777         if (vport->fc_map_cnt == 0 && time < 2 * HZ)
1778                 goto finished;
1779         if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
1780                 goto finished;
1781
1782         stat = 1;
1783
1784 finished:
1785         spin_unlock_irq(shost->host_lock);
1786         return stat;
1787 }
1788
1789 void lpfc_host_attrib_init(struct Scsi_Host *shost)
1790 {
1791         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1792         struct lpfc_hba   *phba = vport->phba;
1793         /*
1794          * Set fixed host attributes.  Must done after lpfc_sli_hba_setup().
1795          */
1796
1797         fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1798         fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
1799         fc_host_supported_classes(shost) = FC_COS_CLASS3;
1800
1801         memset(fc_host_supported_fc4s(shost), 0,
1802                sizeof(fc_host_supported_fc4s(shost)));
1803         fc_host_supported_fc4s(shost)[2] = 1;
1804         fc_host_supported_fc4s(shost)[7] = 1;
1805
1806         lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1807                                  sizeof fc_host_symbolic_name(shost));
1808
1809         fc_host_supported_speeds(shost) = 0;
1810         if (phba->lmt & LMT_10Gb)
1811                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1812         if (phba->lmt & LMT_8Gb)
1813                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
1814         if (phba->lmt & LMT_4Gb)
1815                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1816         if (phba->lmt & LMT_2Gb)
1817                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1818         if (phba->lmt & LMT_1Gb)
1819                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1820
1821         fc_host_maxframe_size(shost) =
1822                 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1823                 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1824
1825         /* This value is also unchanging */
1826         memset(fc_host_active_fc4s(shost), 0,
1827                sizeof(fc_host_active_fc4s(shost)));
1828         fc_host_active_fc4s(shost)[2] = 1;
1829         fc_host_active_fc4s(shost)[7] = 1;
1830
1831         fc_host_max_npiv_vports(shost) = phba->max_vpi;
1832         spin_lock_irq(shost->host_lock);
1833         vport->load_flag &= ~FC_LOADING;
1834         spin_unlock_irq(shost->host_lock);
1835 }
1836
1837 static int __devinit
1838 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1839 {
1840         struct lpfc_vport *vport = NULL;
1841         struct lpfc_hba   *phba;
1842         struct lpfc_sli   *psli;
1843         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1844         struct Scsi_Host  *shost = NULL;
1845         void *ptr;
1846         unsigned long bar0map_len, bar2map_len;
1847         int error = -ENODEV, retval;
1848         int  i, hbq_count;
1849         uint16_t iotag;
1850
1851         if (pci_enable_device(pdev))
1852                 goto out;
1853         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1854                 goto out_disable_device;
1855
1856         phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1857         if (!phba)
1858                 goto out_release_regions;
1859
1860         spin_lock_init(&phba->hbalock);
1861
1862         phba->pcidev = pdev;
1863
1864         /* Assign an unused board number */
1865         if ((phba->brd_no = lpfc_get_instance()) < 0)
1866                 goto out_free_phba;
1867
1868         INIT_LIST_HEAD(&phba->port_list);
1869         /*
1870          * Get all the module params for configuring this host and then
1871          * establish the host.
1872          */
1873         lpfc_get_cfgparam(phba);
1874         phba->max_vpi = LPFC_MAX_VPI;
1875
1876         /* Initialize timers used by driver */
1877         init_timer(&phba->fc_estabtmo);
1878         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1879         phba->fc_estabtmo.data = (unsigned long)phba;
1880
1881         init_timer(&phba->hb_tmofunc);
1882         phba->hb_tmofunc.function = lpfc_hb_timeout;
1883         phba->hb_tmofunc.data = (unsigned long)phba;
1884
1885         psli = &phba->sli;
1886         init_timer(&psli->mbox_tmo);
1887         psli->mbox_tmo.function = lpfc_mbox_timeout;
1888         psli->mbox_tmo.data = (unsigned long) phba;
1889         init_timer(&phba->fcp_poll_timer);
1890         phba->fcp_poll_timer.function = lpfc_poll_timeout;
1891         phba->fcp_poll_timer.data = (unsigned long) phba;
1892         init_timer(&phba->fabric_block_timer);
1893         phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1894         phba->fabric_block_timer.data = (unsigned long) phba;
1895
1896         pci_set_master(pdev);
1897         pci_try_set_mwi(pdev);
1898
1899         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1900                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1901                         goto out_idr_remove;
1902
1903         /*
1904          * Get the bus address of Bar0 and Bar2 and the number of bytes
1905          * required by each mapping.
1906          */
1907         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1908         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1909
1910         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1911         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1912
1913         /* Map HBA SLIM to a kernel virtual address. */
1914         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1915         if (!phba->slim_memmap_p) {
1916                 error = -ENODEV;
1917                 dev_printk(KERN_ERR, &pdev->dev,
1918                            "ioremap failed for SLIM memory.\n");
1919                 goto out_idr_remove;
1920         }
1921
1922         /* Map HBA Control Registers to a kernel virtual address. */
1923         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1924         if (!phba->ctrl_regs_memmap_p) {
1925                 error = -ENODEV;
1926                 dev_printk(KERN_ERR, &pdev->dev,
1927                            "ioremap failed for HBA control registers.\n");
1928                 goto out_iounmap_slim;
1929         }
1930
1931         /* Allocate memory for SLI-2 structures */
1932         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1933                                           &phba->slim2p_mapping, GFP_KERNEL);
1934         if (!phba->slim2p)
1935                 goto out_iounmap;
1936
1937         memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1938
1939         phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
1940                                                  lpfc_sli_hbq_size(),
1941                                                  &phba->hbqslimp.phys,
1942                                                  GFP_KERNEL);
1943         if (!phba->hbqslimp.virt)
1944                 goto out_free_slim;
1945
1946         hbq_count = lpfc_sli_hbq_count();
1947         ptr = phba->hbqslimp.virt;
1948         for (i = 0; i < hbq_count; ++i) {
1949                 phba->hbqs[i].hbq_virt = ptr;
1950                 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
1951                 ptr += (lpfc_hbq_defs[i]->entry_count *
1952                         sizeof(struct lpfc_hbq_entry));
1953         }
1954         phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
1955         phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer  = lpfc_els_hbq_free;
1956
1957         memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
1958
1959         /* Initialize the SLI Layer to run with lpfc HBAs. */
1960         lpfc_sli_setup(phba);
1961         lpfc_sli_queue_setup(phba);
1962
1963         retval = lpfc_mem_alloc(phba);
1964         if (retval) {
1965                 error = retval;
1966                 goto out_free_hbqslimp;
1967         }
1968
1969         /* Initialize and populate the iocb list per host.  */
1970         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1971         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1972                 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1973                 if (iocbq_entry == NULL) {
1974                         printk(KERN_ERR "%s: only allocated %d iocbs of "
1975                                 "expected %d count. Unloading driver.\n",
1976                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1977                         error = -ENOMEM;
1978                         goto out_free_iocbq;
1979                 }
1980
1981                 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1982                 if (iotag == 0) {
1983                         kfree (iocbq_entry);
1984                         printk(KERN_ERR "%s: failed to allocate IOTAG. "
1985                                "Unloading driver.\n",
1986                                 __FUNCTION__);
1987                         error = -ENOMEM;
1988                         goto out_free_iocbq;
1989                 }
1990
1991                 spin_lock_irq(&phba->hbalock);
1992                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1993                 phba->total_iocbq_bufs++;
1994                 spin_unlock_irq(&phba->hbalock);
1995         }
1996
1997         /* Initialize HBA structure */
1998         phba->fc_edtov = FF_DEF_EDTOV;
1999         phba->fc_ratov = FF_DEF_RATOV;
2000         phba->fc_altov = FF_DEF_ALTOV;
2001         phba->fc_arbtov = FF_DEF_ARBTOV;
2002
2003         INIT_LIST_HEAD(&phba->work_list);
2004         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
2005         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
2006
2007         /* Startup the kernel thread for this host adapter. */
2008         phba->worker_thread = kthread_run(lpfc_do_work, phba,
2009                                        "lpfc_worker_%d", phba->brd_no);
2010         if (IS_ERR(phba->worker_thread)) {
2011                 error = PTR_ERR(phba->worker_thread);
2012                 goto out_free_iocbq;
2013         }
2014
2015         /* Initialize the list of scsi buffers used by driver for scsi IO. */
2016         spin_lock_init(&phba->scsi_buf_list_lock);
2017         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
2018
2019         /* Initialize list of fabric iocbs */
2020         INIT_LIST_HEAD(&phba->fabric_iocb_list);
2021
2022         /* Initialize list to save ELS buffers */
2023         INIT_LIST_HEAD(&phba->elsbuf);
2024
2025         vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
2026         if (!vport)
2027                 goto out_kthread_stop;
2028
2029         shost = lpfc_shost_from_vport(vport);
2030         phba->pport = vport;
2031         lpfc_debugfs_initialize(vport);
2032
2033         pci_set_drvdata(pdev, shost);
2034
2035         if (phba->cfg_use_msi) {
2036                 retval = pci_enable_msi(phba->pcidev);
2037                 if (!retval)
2038                         phba->using_msi = 1;
2039                 else
2040                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2041                                         "0452 Enable MSI failed, continuing "
2042                                         "with IRQ\n");
2043         }
2044
2045         retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
2046                             LPFC_DRIVER_NAME, phba);
2047         if (retval) {
2048                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2049                         "0451 Enable interrupt handler failed\n");
2050                 error = retval;
2051                 goto out_disable_msi;
2052         }
2053
2054         phba->MBslimaddr = phba->slim_memmap_p;
2055         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
2056         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
2057         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
2058         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
2059
2060         if (lpfc_alloc_sysfs_attr(vport)) {
2061                 error = -ENOMEM;
2062                 goto out_free_irq;
2063         }
2064
2065         if (lpfc_sli_hba_setup(phba)) {
2066                 error = -ENODEV;
2067                 goto out_remove_device;
2068         }
2069
2070         /*
2071          * hba setup may have changed the hba_queue_depth so we need to adjust
2072          * the value of can_queue.
2073          */
2074         shost->can_queue = phba->cfg_hba_queue_depth - 10;
2075
2076         lpfc_host_attrib_init(shost);
2077
2078         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
2079                 spin_lock_irq(shost->host_lock);
2080                 lpfc_poll_start_timer(phba);
2081                 spin_unlock_irq(shost->host_lock);
2082         }
2083
2084         scsi_scan_host(shost);
2085
2086         return 0;
2087
2088 out_remove_device:
2089         lpfc_free_sysfs_attr(vport);
2090         spin_lock_irq(shost->host_lock);
2091         vport->load_flag |= FC_UNLOADING;
2092         spin_unlock_irq(shost->host_lock);
2093 out_free_irq:
2094         lpfc_stop_phba_timers(phba);
2095         phba->pport->work_port_events = 0;
2096         free_irq(phba->pcidev->irq, phba);
2097 out_disable_msi:
2098         if (phba->using_msi)
2099                 pci_disable_msi(phba->pcidev);
2100         destroy_port(vport);
2101 out_kthread_stop:
2102         kthread_stop(phba->worker_thread);
2103 out_free_iocbq:
2104         list_for_each_entry_safe(iocbq_entry, iocbq_next,
2105                                                 &phba->lpfc_iocb_list, list) {
2106                 kfree(iocbq_entry);
2107                 phba->total_iocbq_bufs--;
2108         }
2109         lpfc_mem_free(phba);
2110 out_free_hbqslimp:
2111         dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2112                           phba->hbqslimp.phys);
2113 out_free_slim:
2114         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
2115                                                         phba->slim2p_mapping);
2116 out_iounmap:
2117         iounmap(phba->ctrl_regs_memmap_p);
2118 out_iounmap_slim:
2119         iounmap(phba->slim_memmap_p);
2120 out_idr_remove:
2121         idr_remove(&lpfc_hba_index, phba->brd_no);
2122 out_free_phba:
2123         kfree(phba);
2124 out_release_regions:
2125         pci_release_regions(pdev);
2126 out_disable_device:
2127         pci_disable_device(pdev);
2128 out:
2129         pci_set_drvdata(pdev, NULL);
2130         if (shost)
2131                 scsi_host_put(shost);
2132         return error;
2133 }
2134
2135 static void __devexit
2136 lpfc_pci_remove_one(struct pci_dev *pdev)
2137 {
2138         struct Scsi_Host  *shost = pci_get_drvdata(pdev);
2139         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2140         struct lpfc_hba   *phba = vport->phba;
2141         spin_lock_irq(&phba->hbalock);
2142         vport->load_flag |= FC_UNLOADING;
2143         spin_unlock_irq(&phba->hbalock);
2144
2145         kfree(vport->vname);
2146         lpfc_free_sysfs_attr(vport);
2147
2148         fc_remove_host(shost);
2149         scsi_remove_host(shost);
2150         lpfc_cleanup(vport);
2151
2152         /*
2153          * Bring down the SLI Layer. This step disable all interrupts,
2154          * clears the rings, discards all mailbox commands, and resets
2155          * the HBA.
2156          */
2157         lpfc_sli_hba_down(phba);
2158         lpfc_sli_brdrestart(phba);
2159
2160         lpfc_stop_phba_timers(phba);
2161         spin_lock_irq(&phba->hbalock);
2162         list_del_init(&vport->listentry);
2163         spin_unlock_irq(&phba->hbalock);
2164
2165         lpfc_debugfs_terminate(vport);
2166
2167         kthread_stop(phba->worker_thread);
2168
2169         /* Release the irq reservation */
2170         free_irq(phba->pcidev->irq, phba);
2171         if (phba->using_msi)
2172                 pci_disable_msi(phba->pcidev);
2173
2174         pci_set_drvdata(pdev, NULL);
2175         scsi_host_put(shost);
2176
2177         /*
2178          * Call scsi_free before mem_free since scsi bufs are released to their
2179          * corresponding pools here.
2180          */
2181         lpfc_scsi_free(phba);
2182         lpfc_mem_free(phba);
2183
2184         dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2185                           phba->hbqslimp.phys);
2186
2187         /* Free resources associated with SLI2 interface */
2188         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2189                           phba->slim2p, phba->slim2p_mapping);
2190
2191         /* unmap adapter SLIM and Control Registers */
2192         iounmap(phba->ctrl_regs_memmap_p);
2193         iounmap(phba->slim_memmap_p);
2194
2195         idr_remove(&lpfc_hba_index, phba->brd_no);
2196
2197         kfree(phba);
2198
2199         pci_release_regions(pdev);
2200         pci_disable_device(pdev);
2201 }
2202
2203 /**
2204  * lpfc_io_error_detected - called when PCI error is detected
2205  * @pdev: Pointer to PCI device
2206  * @state: The current pci conneection state
2207  *
2208  * This function is called after a PCI bus error affecting
2209  * this device has been detected.
2210  */
2211 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2212                                 pci_channel_state_t state)
2213 {
2214         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2215         struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2216         struct lpfc_sli *psli = &phba->sli;
2217         struct lpfc_sli_ring  *pring;
2218
2219         if (state == pci_channel_io_perm_failure)
2220                 return PCI_ERS_RESULT_DISCONNECT;
2221
2222         pci_disable_device(pdev);
2223         /*
2224          * There may be I/Os dropped by the firmware.
2225          * Error iocb (I/O) on txcmplq and let the SCSI layer
2226          * retry it after re-establishing link.
2227          */
2228         pring = &psli->ring[psli->fcp_ring];
2229         lpfc_sli_abort_iocb_ring(phba, pring);
2230
2231         /* Release the irq reservation */
2232         free_irq(phba->pcidev->irq, phba);
2233         if (phba->using_msi)
2234                 pci_disable_msi(phba->pcidev);
2235
2236         /* Request a slot reset. */
2237         return PCI_ERS_RESULT_NEED_RESET;
2238 }
2239
2240 /**
2241  * lpfc_io_slot_reset - called after the pci bus has been reset.
2242  * @pdev: Pointer to PCI device
2243  *
2244  * Restart the card from scratch, as if from a cold-boot.
2245  */
2246 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2247 {
2248         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2249         struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2250         struct lpfc_sli *psli = &phba->sli;
2251         int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2252
2253         dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2254         if (pci_enable_device_bars(pdev, bars)) {
2255                 printk(KERN_ERR "lpfc: Cannot re-enable "
2256                         "PCI device after reset.\n");
2257                 return PCI_ERS_RESULT_DISCONNECT;
2258         }
2259
2260         pci_set_master(pdev);
2261
2262         /* Re-establishing Link */
2263         spin_lock_irq(shost->host_lock);
2264         phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2265         spin_unlock_irq(shost->host_lock);
2266
2267         spin_lock_irq(&phba->hbalock);
2268         psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2269         spin_unlock_irq(&phba->hbalock);
2270
2271
2272         /* Take device offline; this will perform cleanup */
2273         lpfc_offline(phba);
2274         lpfc_sli_brdrestart(phba);
2275
2276         return PCI_ERS_RESULT_RECOVERED;
2277 }
2278
2279 /**
2280  * lpfc_io_resume - called when traffic can start flowing again.
2281  * @pdev: Pointer to PCI device
2282  *
2283  * This callback is called when the error recovery driver tells us that
2284  * its OK to resume normal operation.
2285  */
2286 static void lpfc_io_resume(struct pci_dev *pdev)
2287 {
2288         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2289         struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2290
2291         if (lpfc_online(phba) == 0) {
2292                 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2293         }
2294 }
2295
2296 static struct pci_device_id lpfc_id_table[] = {
2297         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2298                 PCI_ANY_ID, PCI_ANY_ID, },
2299         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2300                 PCI_ANY_ID, PCI_ANY_ID, },
2301         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2302                 PCI_ANY_ID, PCI_ANY_ID, },
2303         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2304                 PCI_ANY_ID, PCI_ANY_ID, },
2305         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2306                 PCI_ANY_ID, PCI_ANY_ID, },
2307         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2308                 PCI_ANY_ID, PCI_ANY_ID, },
2309         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2310                 PCI_ANY_ID, PCI_ANY_ID, },
2311         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2312                 PCI_ANY_ID, PCI_ANY_ID, },
2313         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2314                 PCI_ANY_ID, PCI_ANY_ID, },
2315         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2316                 PCI_ANY_ID, PCI_ANY_ID, },
2317         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2318                 PCI_ANY_ID, PCI_ANY_ID, },
2319         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2320                 PCI_ANY_ID, PCI_ANY_ID, },
2321         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2322                 PCI_ANY_ID, PCI_ANY_ID, },
2323         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2324                 PCI_ANY_ID, PCI_ANY_ID, },
2325         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2326                 PCI_ANY_ID, PCI_ANY_ID, },
2327         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2328                 PCI_ANY_ID, PCI_ANY_ID, },
2329         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2330                 PCI_ANY_ID, PCI_ANY_ID, },
2331         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2332                 PCI_ANY_ID, PCI_ANY_ID, },
2333         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2334                 PCI_ANY_ID, PCI_ANY_ID, },
2335         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2336                 PCI_ANY_ID, PCI_ANY_ID, },
2337         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2338                 PCI_ANY_ID, PCI_ANY_ID, },
2339         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2340                 PCI_ANY_ID, PCI_ANY_ID, },
2341         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2342                 PCI_ANY_ID, PCI_ANY_ID, },
2343         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2344                 PCI_ANY_ID, PCI_ANY_ID, },
2345         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2346                 PCI_ANY_ID, PCI_ANY_ID, },
2347         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2348                 PCI_ANY_ID, PCI_ANY_ID, },
2349         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2350                 PCI_ANY_ID, PCI_ANY_ID, },
2351         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2352                 PCI_ANY_ID, PCI_ANY_ID, },
2353         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2354                 PCI_ANY_ID, PCI_ANY_ID, },
2355         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2356                 PCI_ANY_ID, PCI_ANY_ID, },
2357         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2358                 PCI_ANY_ID, PCI_ANY_ID, },
2359         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2360                 PCI_ANY_ID, PCI_ANY_ID, },
2361         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2362                 PCI_ANY_ID, PCI_ANY_ID, },
2363         { 0 }
2364 };
2365
2366 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2367
2368 static struct pci_error_handlers lpfc_err_handler = {
2369         .error_detected = lpfc_io_error_detected,
2370         .slot_reset = lpfc_io_slot_reset,
2371         .resume = lpfc_io_resume,
2372 };
2373
2374 static struct pci_driver lpfc_driver = {
2375         .name           = LPFC_DRIVER_NAME,
2376         .id_table       = lpfc_id_table,
2377         .probe          = lpfc_pci_probe_one,
2378         .remove         = __devexit_p(lpfc_pci_remove_one),
2379         .err_handler    = &lpfc_err_handler,
2380 };
2381
2382 static int __init
2383 lpfc_init(void)
2384 {
2385         int error = 0;
2386
2387         printk(LPFC_MODULE_DESC "\n");
2388         printk(LPFC_COPYRIGHT "\n");
2389
2390         if (lpfc_enable_npiv) {
2391                 lpfc_transport_functions.vport_create = lpfc_vport_create;
2392                 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
2393         }
2394         lpfc_transport_template =
2395                                 fc_attach_transport(&lpfc_transport_functions);
2396         if (lpfc_transport_template == NULL)
2397                 return -ENOMEM;
2398         if (lpfc_enable_npiv) {
2399                 lpfc_vport_transport_template =
2400                         fc_attach_transport(&lpfc_vport_transport_functions);
2401                 if (lpfc_vport_transport_template == NULL) {
2402                         fc_release_transport(lpfc_transport_template);
2403                         return -ENOMEM;
2404                 }
2405         }
2406         error = pci_register_driver(&lpfc_driver);
2407         if (error) {
2408                 fc_release_transport(lpfc_transport_template);
2409                 fc_release_transport(lpfc_vport_transport_template);
2410         }
2411
2412         return error;
2413 }
2414
2415 static void __exit
2416 lpfc_exit(void)
2417 {
2418         pci_unregister_driver(&lpfc_driver);
2419         fc_release_transport(lpfc_transport_template);
2420         if (lpfc_enable_npiv)
2421                 fc_release_transport(lpfc_vport_transport_template);
2422 }
2423
2424 module_init(lpfc_init);
2425 module_exit(lpfc_exit);
2426 MODULE_LICENSE("GPL");
2427 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2428 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2429 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);