git.oblomov.eu 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         int retval;
 551         struct lpfc_sli *psli = &phba->sli;
 552
 553         if ((phba->link_state == LPFC_HBA_ERROR) ||
 554                 (phba->pport->load_flag & FC_UNLOADING) ||
 555                 (phba->pport->fc_flag & FC_OFFLINE_MODE))
 556                 return;
 557
 558         spin_lock_irq(&phba->pport->work_port_lock);
 559         /* If the timer is already canceled do nothing */
 560         if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
 561                 spin_unlock_irq(&phba->pport->work_port_lock);
 562                 return;
 563         }
 564
 565         if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
 566                 jiffies)) {
 567                 spin_unlock_irq(&phba->pport->work_port_lock);
 568                 if (!phba->hb_outstanding)
 569                         mod_timer(&phba->hb_tmofunc,
 570                                 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 571                 else
 572                         mod_timer(&phba->hb_tmofunc,
 573                                 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
 574                 return;
 575         }
 576         spin_unlock_irq(&phba->pport->work_port_lock);
 577
 578         /* If there is no heart beat outstanding, issue a heartbeat command */
 579         if (!phba->hb_outstanding) {
 580                 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
 581                 if (!pmboxq) {
 582                         mod_timer(&phba->hb_tmofunc,
 583                                 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 584                         return;
 585                 }
 586
 587                 lpfc_heart_beat(phba, pmboxq);
 588                 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
 589                 pmboxq->vport = phba->pport;
 590                 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
 591
 592                 if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
 593                         mempool_free(pmboxq, phba->mbox_mem_pool);
 594                         mod_timer(&phba->hb_tmofunc,
 595                                 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 596                         return;
 597                 }
 598                 mod_timer(&phba->hb_tmofunc,
 599                         jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
 600                 phba->hb_outstanding = 1;
 601                 return;
 602         } else {
 603                 /*
 604                  * If heart beat timeout called with hb_outstanding set we
 605                  * need to take the HBA offline.
 606                  */
 607                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 608                                 "0459 Adapter heartbeat failure, taking "
 609                                 "this port offline.\n");
 610
 611                 spin_lock_irq(&phba->hbalock);
 612                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 613                 spin_unlock_irq(&phba->hbalock);
 614
 615                 lpfc_offline_prep(phba);
 616                 lpfc_offline(phba);
 617                 lpfc_unblock_mgmt_io(phba);
 618                 phba->link_state = LPFC_HBA_ERROR;
 619                 lpfc_hba_down_post(phba);
 620         }
 621 }
 622
 623 /************************************************************************/
 624 /*                                                                      */
 625 /*    lpfc_handle_eratt                                                 */
 626 /*    This routine will handle processing a Host Attention              */
 627 /*    Error Status event. This will be initialized                      */
 628 /*    as a SLI layer callback routine.                                  */
 629 /*                                                                      */
 630 /************************************************************************/
 631 void
 632 lpfc_handle_eratt(struct lpfc_hba *phba)
 633 {
 634         struct lpfc_vport *vport = phba->pport;
 635         struct lpfc_sli   *psli = &phba->sli;
 636         struct lpfc_sli_ring  *pring;
 637         struct lpfc_vport **vports;
 638         uint32_t event_data;
 639         unsigned long temperature;
 640         struct temp_event temp_event_data;
 641         struct Scsi_Host  *shost;
 642         int i;
 643
 644         /* If the pci channel is offline, ignore possible errors,
 645          * since we cannot communicate with the pci card anyway. */
 646         if (pci_channel_offline(phba->pcidev))
 647                 return;
 648
 649         if (phba->work_hs & HS_FFER6 ||
 650             phba->work_hs & HS_FFER5) {
 651                 /* Re-establishing Link */
 652                 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
 653                                 "1301 Re-establishing Link "
 654                                 "Data: x%x x%x x%x\n",
 655                                 phba->work_hs,
 656                                 phba->work_status[0], phba->work_status[1]);
 657                 vports = lpfc_create_vport_work_array(phba);
 658                 if (vports != NULL)
 659                         for(i = 0;
 660                             i < LPFC_MAX_VPORTS && vports[i] != NULL;
 661                             i++){
 662                                 shost = lpfc_shost_from_vport(vports[i]);
 663                                 spin_lock_irq(shost->host_lock);
 664                                 vports[i]->fc_flag |= FC_ESTABLISH_LINK;
 665                                 spin_unlock_irq(shost->host_lock);
 666                         }
 667                 lpfc_destroy_vport_work_array(vports);
 668                 spin_lock_irq(&phba->hbalock);
 669                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 670                 spin_unlock_irq(&phba->hbalock);
 671
 672                 /*
 673                 * Firmware stops when it triggled erratt with HS_FFER6.
 674                 * That could cause the I/Os dropped by the firmware.
 675                 * Error iocb (I/O) on txcmplq and let the SCSI layer
 676                 * retry it after re-establishing link.
 677                 */
 678                 pring = &psli->ring[psli->fcp_ring];
 679                 lpfc_sli_abort_iocb_ring(phba, pring);
 680
 681
 682                 /*
 683                  * There was a firmware error.  Take the hba offline and then
 684                  * attempt to restart it.
 685                  */
 686                 lpfc_offline_prep(phba);
 687                 lpfc_offline(phba);
 688                 lpfc_sli_brdrestart(phba);
 689                 if (lpfc_online(phba) == 0) {   /* Initialize the HBA */
 690                         mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
 691                         lpfc_unblock_mgmt_io(phba);
 692                         return;
 693                 }
 694                 lpfc_unblock_mgmt_io(phba);
 695         } else if (phba->work_hs & HS_CRIT_TEMP) {
 696                 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
 697                 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
 698                 temp_event_data.event_code = LPFC_CRIT_TEMP;
 699                 temp_event_data.data = (uint32_t)temperature;
 700
 701                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 702                                 "0459 Adapter maximum temperature exceeded "
 703                                 "(%ld), taking this port offline "
 704                                 "Data: x%x x%x x%x\n",
 705                                 temperature, phba->work_hs,
 706                                 phba->work_status[0], phba->work_status[1]);
 707
 708                 shost = lpfc_shost_from_vport(phba->pport);
 709                 fc_host_post_vendor_event(shost, fc_get_event_number(),
 710                                           sizeof(temp_event_data),
 711                                           (char *) &temp_event_data,
 712                                           SCSI_NL_VID_TYPE_PCI
 713                                           | PCI_VENDOR_ID_EMULEX);
 714
 715                 spin_lock_irq(&phba->hbalock);
 716                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 717                 phba->over_temp_state = HBA_OVER_TEMP;
 718                 spin_unlock_irq(&phba->hbalock);
 719                 lpfc_offline_prep(phba);
 720                 lpfc_offline(phba);
 721                 lpfc_unblock_mgmt_io(phba);
 722                 phba->link_state = LPFC_HBA_ERROR;
 723                 lpfc_hba_down_post(phba);
 724
 725         } else {
 726                 /* The if clause above forces this code path when the status
 727                  * failure is a value other than FFER6.  Do not call the offline
 728                  *  twice. This is the adapter hardware error path.
 729                  */
 730                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 731                                 "0457 Adapter Hardware Error "
 732                                 "Data: x%x x%x x%x\n",
 733                                 phba->work_hs,
 734                                 phba->work_status[0], phba->work_status[1]);
 735
 736                 event_data = FC_REG_DUMP_EVENT;
 737                 shost = lpfc_shost_from_vport(vport);
 738                 fc_host_post_vendor_event(shost, fc_get_event_number(),
 739                                 sizeof(event_data), (char *) &event_data,
 740                                 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
 741
 742                 spin_lock_irq(&phba->hbalock);
 743                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 744                 spin_unlock_irq(&phba->hbalock);
 745                 lpfc_offline_prep(phba);
 746                 lpfc_offline(phba);
 747                 lpfc_unblock_mgmt_io(phba);
 748                 phba->link_state = LPFC_HBA_ERROR;
 749                 lpfc_hba_down_post(phba);
 750         }
 751 }
 752
 753 /************************************************************************/
 754 /*                                                                      */
 755 /*    lpfc_handle_latt                                                  */
 756 /*    This routine will handle processing a Host Attention              */
 757 /*    Link Status event. This will be initialized                       */
 758 /*    as a SLI layer callback routine.                                  */
 759 /*                                                                      */
 760 /************************************************************************/
 761 void
 762 lpfc_handle_latt(struct lpfc_hba *phba)
 763 {
 764         struct lpfc_vport *vport = phba->pport;
 765         struct lpfc_sli   *psli = &phba->sli;
 766         LPFC_MBOXQ_t *pmb;
 767         volatile uint32_t control;
 768         struct lpfc_dmabuf *mp;
 769         int rc = -ENOMEM;
 770
 771         pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 772         if (!pmb)
 773                 goto lpfc_handle_latt_err_exit;
 774
 775         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 776         if (!mp)
 777                 goto lpfc_handle_latt_free_pmb;
 778
 779         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
 780         if (!mp->virt)
 781                 goto lpfc_handle_latt_free_mp;
 782
 783         rc = -EIO;
 784
 785         /* Cleanup any outstanding ELS commands */
 786         lpfc_els_flush_all_cmd(phba);
 787
 788         psli->slistat.link_event++;
 789         lpfc_read_la(phba, pmb, mp);
 790         pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
 791         pmb->vport = vport;
 792         rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
 793         if (rc == MBX_NOT_FINISHED)
 794                 goto lpfc_handle_latt_free_mbuf;
 795
 796         /* Clear Link Attention in HA REG */
 797         spin_lock_irq(&phba->hbalock);
 798         writel(HA_LATT, phba->HAregaddr);
 799         readl(phba->HAregaddr); /* flush */
 800         spin_unlock_irq(&phba->hbalock);
 801
 802         return;
 803
 804 lpfc_handle_latt_free_mbuf:
 805         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 806 lpfc_handle_latt_free_mp:
 807         kfree(mp);
 808 lpfc_handle_latt_free_pmb:
 809         mempool_free(pmb, phba->mbox_mem_pool);
 810 lpfc_handle_latt_err_exit:
 811         /* Enable Link attention interrupts */
 812         spin_lock_irq(&phba->hbalock);
 813         psli->sli_flag |= LPFC_PROCESS_LA;
 814         control = readl(phba->HCregaddr);
 815         control |= HC_LAINT_ENA;
 816         writel(control, phba->HCregaddr);
 817         readl(phba->HCregaddr); /* flush */
 818
 819         /* Clear Link Attention in HA REG */
 820         writel(HA_LATT, phba->HAregaddr);
 821         readl(phba->HAregaddr); /* flush */
 822         spin_unlock_irq(&phba->hbalock);
 823         lpfc_linkdown(phba);
 824         phba->link_state = LPFC_HBA_ERROR;
 825
 826         /* The other case is an error from issue_mbox */
 827         if (rc == -ENOMEM)
 828                 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
 829                                 "0300 READ_LA: no buffers\n");
 830
 831         return;
 832 }
 833
 834 /************************************************************************/
 835 /*                                                                      */
 836 /*   lpfc_parse_vpd                                                     */
 837 /*   This routine will parse the VPD data                               */
 838 /*                                                                      */
 839 /************************************************************************/
 840 static int
 841 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
 842 {
 843         uint8_t lenlo, lenhi;
 844         int Length;
 845         int i, j;
 846         int finished = 0;
 847         int index = 0;
 848
 849         if (!vpd)
 850                 return 0;
 851
 852         /* Vital Product */
 853         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 854                         "0455 Vital Product Data: x%x x%x x%x x%x\n",
 855                         (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
 856                         (uint32_t) vpd[3]);
 857         while (!finished && (index < (len - 4))) {
 858                 switch (vpd[index]) {
 859                 case 0x82:
 860                 case 0x91:
 861                         index += 1;
 862                         lenlo = vpd[index];
 863                         index += 1;
 864                         lenhi = vpd[index];
 865                         index += 1;
 866                         i = ((((unsigned short)lenhi) << 8) + lenlo);
 867                         index += i;
 868                         break;
 869                 case 0x90:
 870                         index += 1;
 871                         lenlo = vpd[index];
 872                         index += 1;
 873                         lenhi = vpd[index];
 874                         index += 1;
 875                         Length = ((((unsigned short)lenhi) << 8) + lenlo);
 876                         if (Length > len - index)
 877                                 Length = len - index;
 878                         while (Length > 0) {
 879                         /* Look for Serial Number */
 880                         if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
 881                                 index += 2;
 882                                 i = vpd[index];
 883                                 index += 1;
 884                                 j = 0;
 885                                 Length -= (3+i);
 886                                 while(i--) {
 887                                         phba->SerialNumber[j++] = vpd[index++];
 888                                         if (j == 31)
 889                                                 break;
 890                                 }
 891                                 phba->SerialNumber[j] = 0;
 892                                 continue;
 893                         }
 894                         else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
 895                                 phba->vpd_flag |= VPD_MODEL_DESC;
 896                                 index += 2;
 897                                 i = vpd[index];
 898                                 index += 1;
 899                                 j = 0;
 900                                 Length -= (3+i);
 901                                 while(i--) {
 902                                         phba->ModelDesc[j++] = vpd[index++];
 903                                         if (j == 255)
 904                                                 break;
 905                                 }
 906                                 phba->ModelDesc[j] = 0;
 907                                 continue;
 908                         }
 909                         else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
 910                                 phba->vpd_flag |= VPD_MODEL_NAME;
 911                                 index += 2;
 912                                 i = vpd[index];
 913                                 index += 1;
 914                                 j = 0;
 915                                 Length -= (3+i);
 916                                 while(i--) {
 917                                         phba->ModelName[j++] = vpd[index++];
 918                                         if (j == 79)
 919                                                 break;
 920                                 }
 921                                 phba->ModelName[j] = 0;
 922                                 continue;
 923                         }
 924                         else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
 925                                 phba->vpd_flag |= VPD_PROGRAM_TYPE;
 926                                 index += 2;
 927                                 i = vpd[index];
 928                                 index += 1;
 929                                 j = 0;
 930                                 Length -= (3+i);
 931                                 while(i--) {
 932                                         phba->ProgramType[j++] = vpd[index++];
 933                                         if (j == 255)
 934                                                 break;
 935                                 }
 936                                 phba->ProgramType[j] = 0;
 937                                 continue;
 938                         }
 939                         else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
 940                                 phba->vpd_flag |= VPD_PORT;
 941                                 index += 2;
 942                                 i = vpd[index];
 943                                 index += 1;
 944                                 j = 0;
 945                                 Length -= (3+i);
 946                                 while(i--) {
 947                                 phba->Port[j++] = vpd[index++];
 948                                 if (j == 19)
 949                                         break;
 950                                 }
 951                                 phba->Port[j] = 0;
 952                                 continue;
 953                         }
 954                         else {
 955                                 index += 2;
 956                                 i = vpd[index];
 957                                 index += 1;
 958                                 index += i;
 959                                 Length -= (3 + i);
 960                         }
 961                 }
 962                 finished = 0;
 963                 break;
 964                 case 0x78:
 965                         finished = 1;
 966                         break;
 967                 default:
 968                         index ++;
 969                         break;
 970                 }
 971         }
 972
 973         return(1);
 974 }
 975
 976 static void
 977 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
 978 {
 979         lpfc_vpd_t *vp;
 980         uint16_t dev_id = phba->pcidev->device;
 981         int max_speed;
 982         struct {
 983                 char * name;
 984                 int    max_speed;
 985                 char * bus;
 986         } m = {"<Unknown>", 0, ""};
 987
 988         if (mdp && mdp[0] != '\0'
 989                 && descp && descp[0] != '\0')
 990                 return;
 991
 992         if (phba->lmt & LMT_10Gb)
 993                 max_speed = 10;
 994         else if (phba->lmt & LMT_8Gb)
 995                 max_speed = 8;
 996         else if (phba->lmt & LMT_4Gb)
 997                 max_speed = 4;
 998         else if (phba->lmt & LMT_2Gb)
 999                 max_speed = 2;
1000         else
1001                 max_speed = 1;
1002
1003         vp = &phba->vpd;
1004
1005         switch (dev_id) {
1006         case PCI_DEVICE_ID_FIREFLY:
1007                 m = (typeof(m)){"LP6000", max_speed, "PCI"};
1008                 break;
1009         case PCI_DEVICE_ID_SUPERFLY:
1010                 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
1011                         m = (typeof(m)){"LP7000", max_speed,  "PCI"};
1012                 else
1013                         m = (typeof(m)){"LP7000E", max_speed, "PCI"};
1014                 break;
1015         case PCI_DEVICE_ID_DRAGONFLY:
1016                 m = (typeof(m)){"LP8000", max_speed, "PCI"};
1017                 break;
1018         case PCI_DEVICE_ID_CENTAUR:
1019                 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
1020                         m = (typeof(m)){"LP9002", max_speed, "PCI"};
1021                 else
1022                         m = (typeof(m)){"LP9000", max_speed, "PCI"};
1023                 break;
1024         case PCI_DEVICE_ID_RFLY:
1025                 m = (typeof(m)){"LP952", max_speed, "PCI"};
1026                 break;
1027         case PCI_DEVICE_ID_PEGASUS:
1028                 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
1029                 break;
1030         case PCI_DEVICE_ID_THOR:
1031                 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
1032                 break;
1033         case PCI_DEVICE_ID_VIPER:
1034                 m = (typeof(m)){"LPX1000", max_speed,  "PCI-X"};
1035                 break;
1036         case PCI_DEVICE_ID_PFLY:
1037                 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
1038                 break;
1039         case PCI_DEVICE_ID_TFLY:
1040                 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
1041                 break;
1042         case PCI_DEVICE_ID_HELIOS:
1043                 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
1044                 break;
1045         case PCI_DEVICE_ID_HELIOS_SCSP:
1046                 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
1047                 break;
1048         case PCI_DEVICE_ID_HELIOS_DCSP:
1049                 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
1050                 break;
1051         case PCI_DEVICE_ID_NEPTUNE:
1052                 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
1053                 break;
1054         case PCI_DEVICE_ID_NEPTUNE_SCSP:
1055                 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
1056                 break;
1057         case PCI_DEVICE_ID_NEPTUNE_DCSP:
1058                 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
1059                 break;
1060         case PCI_DEVICE_ID_BMID:
1061                 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
1062                 break;
1063         case PCI_DEVICE_ID_BSMB:
1064                 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
1065                 break;
1066         case PCI_DEVICE_ID_ZEPHYR:
1067                 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1068                 break;
1069         case PCI_DEVICE_ID_ZEPHYR_SCSP:
1070                 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1071                 break;
1072         case PCI_DEVICE_ID_ZEPHYR_DCSP:
1073                 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
1074                 break;
1075         case PCI_DEVICE_ID_ZMID:
1076                 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
1077                 break;
1078         case PCI_DEVICE_ID_ZSMB:
1079                 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
1080                 break;
1081         case PCI_DEVICE_ID_LP101:
1082                 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
1083                 break;
1084         case PCI_DEVICE_ID_LP10000S:
1085                 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1086                 break;
1087         case PCI_DEVICE_ID_LP11000S:
1088                 m = (typeof(m)){"LP11000-S", max_speed,
1089                         "PCI-X2"};
1090                 break;
1091         case PCI_DEVICE_ID_LPE11000S:
1092                 m = (typeof(m)){"LPe11000-S", max_speed,
1093                         "PCIe"};
1094                 break;
1095         case PCI_DEVICE_ID_SAT:
1096                 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1097                 break;
1098         case PCI_DEVICE_ID_SAT_MID:
1099                 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1100                 break;
1101         case PCI_DEVICE_ID_SAT_SMB:
1102                 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1103                 break;
1104         case PCI_DEVICE_ID_SAT_DCSP:
1105                 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1106                 break;
1107         case PCI_DEVICE_ID_SAT_SCSP:
1108                 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1109                 break;
1110         case PCI_DEVICE_ID_SAT_S:
1111                 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1112                 break;
1113         default:
1114                 m = (typeof(m)){ NULL };
1115                 break;
1116         }
1117
1118         if (mdp && mdp[0] == '\0')
1119                 snprintf(mdp, 79,"%s", m.name);
1120         if (descp && descp[0] == '\0')
1121                 snprintf(descp, 255,
1122                          "Emulex %s %dGb %s Fibre Channel Adapter",
1123                          m.name, m.max_speed, m.bus);
1124 }
1125
1126 /**************************************************/
1127 /*   lpfc_post_buffer                             */
1128 /*                                                */
1129 /*   This routine will post count buffers to the  */
1130 /*   ring with the QUE_RING_BUF_CN command. This  */
1131 /*   allows 3 buffers / command to be posted.     */
1132 /*   Returns the number of buffers NOT posted.    */
1133 /**************************************************/
1134 int
1135 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
1136                  int type)
1137 {
1138         IOCB_t *icmd;
1139         struct lpfc_iocbq *iocb;
1140         struct lpfc_dmabuf *mp1, *mp2;
1141
1142         cnt += pring->missbufcnt;
1143
1144         /* While there are buffers to post */
1145         while (cnt > 0) {
1146                 /* Allocate buffer for  command iocb */
1147                 iocb = lpfc_sli_get_iocbq(phba);
1148                 if (iocb == NULL) {
1149                         pring->missbufcnt = cnt;
1150                         return cnt;
1151                 }
1152                 icmd = &iocb->iocb;
1153
1154                 /* 2 buffers can be posted per command */
1155                 /* Allocate buffer to post */
1156                 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1157                 if (mp1)
1158                     mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
1159                 if (!mp1 || !mp1->virt) {
1160                         kfree(mp1);
1161                         lpfc_sli_release_iocbq(phba, iocb);
1162                         pring->missbufcnt = cnt;
1163                         return cnt;
1164                 }
1165
1166                 INIT_LIST_HEAD(&mp1->list);
1167                 /* Allocate buffer to post */
1168                 if (cnt > 1) {
1169                         mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1170                         if (mp2)
1171                                 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1172                                                             &mp2->phys);
1173                         if (!mp2 || !mp2->virt) {
1174                                 kfree(mp2);
1175                                 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1176                                 kfree(mp1);
1177                                 lpfc_sli_release_iocbq(phba, iocb);
1178                                 pring->missbufcnt = cnt;
1179                                 return cnt;
1180                         }
1181
1182                         INIT_LIST_HEAD(&mp2->list);
1183                 } else {
1184                         mp2 = NULL;
1185                 }
1186
1187                 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1188                 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1189                 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1190                 icmd->ulpBdeCount = 1;
1191                 cnt--;
1192                 if (mp2) {
1193                         icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1194                         icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1195                         icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1196                         cnt--;
1197                         icmd->ulpBdeCount = 2;
1198                 }
1199
1200                 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1201                 icmd->ulpLe = 1;
1202
1203                 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1204                         lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1205                         kfree(mp1);
1206                         cnt++;
1207                         if (mp2) {
1208                                 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1209                                 kfree(mp2);
1210                                 cnt++;
1211                         }
1212                         lpfc_sli_release_iocbq(phba, iocb);
1213                         pring->missbufcnt = cnt;
1214                         return cnt;
1215                 }
1216                 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1217                 if (mp2)
1218                         lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1219         }
1220         pring->missbufcnt = 0;
1221         return 0;
1222 }
1223
1224 /************************************************************************/
1225 /*                                                                      */
1226 /*   lpfc_post_rcv_buf                                                  */
1227 /*   This routine post initial rcv buffers to the configured rings      */
1228 /*                                                                      */
1229 /************************************************************************/
1230 static int
1231 lpfc_post_rcv_buf(struct lpfc_hba *phba)
1232 {
1233         struct lpfc_sli *psli = &phba->sli;
1234
1235         /* Ring 0, ELS / CT buffers */
1236         lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1237         /* Ring 2 - FCP no buffers needed */
1238
1239         return 0;
1240 }
1241
1242 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1243
1244 /************************************************************************/
1245 /*                                                                      */
1246 /*   lpfc_sha_init                                                      */
1247 /*                                                                      */
1248 /************************************************************************/
1249 static void
1250 lpfc_sha_init(uint32_t * HashResultPointer)
1251 {
1252         HashResultPointer[0] = 0x67452301;
1253         HashResultPointer[1] = 0xEFCDAB89;
1254         HashResultPointer[2] = 0x98BADCFE;
1255         HashResultPointer[3] = 0x10325476;
1256         HashResultPointer[4] = 0xC3D2E1F0;
1257 }
1258
1259 /************************************************************************/
1260 /*                                                                      */
1261 /*   lpfc_sha_iterate                                                   */
1262 /*                                                                      */
1263 /************************************************************************/
1264 static void
1265 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1266 {
1267         int t;
1268         uint32_t TEMP;
1269         uint32_t A, B, C, D, E;
1270         t = 16;
1271         do {
1272                 HashWorkingPointer[t] =
1273                     S(1,
1274                       HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1275                                                                      8] ^
1276                       HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1277         } while (++t <= 79);
1278         t = 0;
1279         A = HashResultPointer[0];
1280         B = HashResultPointer[1];
1281         C = HashResultPointer[2];
1282         D = HashResultPointer[3];
1283         E = HashResultPointer[4];
1284
1285         do {
1286                 if (t < 20) {
1287                         TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1288                 } else if (t < 40) {
1289                         TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1290                 } else if (t < 60) {
1291                         TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1292                 } else {
1293                         TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1294                 }
1295                 TEMP += S(5, A) + E + HashWorkingPointer[t];
1296                 E = D;
1297                 D = C;
1298                 C = S(30, B);
1299                 B = A;
1300                 A = TEMP;
1301         } while (++t <= 79);
1302
1303         HashResultPointer[0] += A;
1304         HashResultPointer[1] += B;
1305         HashResultPointer[2] += C;
1306         HashResultPointer[3] += D;
1307         HashResultPointer[4] += E;
1308
1309 }
1310
1311 /************************************************************************/
1312 /*                                                                      */
1313 /*   lpfc_challenge_key                                                 */
1314 /*                                                                      */
1315 /************************************************************************/
1316 static void
1317 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1318 {
1319         *HashWorking = (*RandomChallenge ^ *HashWorking);
1320 }
1321
1322 /************************************************************************/
1323 /*                                                                      */
1324 /*   lpfc_hba_init                                                      */
1325 /*                                                                      */
1326 /************************************************************************/
1327 void
1328 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1329 {
1330         int t;
1331         uint32_t *HashWorking;
1332         uint32_t *pwwnn = (uint32_t *) phba->wwnn;
1333
1334         HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
1335         if (!HashWorking)
1336                 return;
1337
1338         HashWorking[0] = HashWorking[78] = *pwwnn++;
1339         HashWorking[1] = HashWorking[79] = *pwwnn;
1340
1341         for (t = 0; t < 7; t++)
1342                 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1343
1344         lpfc_sha_init(hbainit);
1345         lpfc_sha_iterate(hbainit, HashWorking);
1346         kfree(HashWorking);
1347 }
1348
1349 void
1350 lpfc_cleanup(struct lpfc_vport *vport)
1351 {
1352         struct lpfc_hba   *phba = vport->phba;
1353         struct lpfc_nodelist *ndlp, *next_ndlp;
1354         int i = 0;
1355
1356         if (phba->link_state > LPFC_LINK_DOWN)
1357                 lpfc_port_link_failure(vport);
1358
1359         list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1360                 if (ndlp->nlp_type & NLP_FABRIC)
1361                         lpfc_disc_state_machine(vport, ndlp, NULL,
1362                                         NLP_EVT_DEVICE_RECOVERY);
1363                 lpfc_disc_state_machine(vport, ndlp, NULL,
1364                                              NLP_EVT_DEVICE_RM);
1365         }
1366
1367         /* At this point, ALL ndlp's should be gone
1368          * because of the previous NLP_EVT_DEVICE_RM.
1369          * Lets wait for this to happen, if needed.
1370          */
1371         while (!list_empty(&vport->fc_nodes)) {
1372
1373                 if (i++ > 3000) {
1374                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1375                                 "0233 Nodelist not empty\n");
1376                         break;
1377                 }
1378
1379                 /* Wait for any activity on ndlps to settle */
1380                 msleep(10);
1381         }
1382         return;
1383 }
1384
1385 static void
1386 lpfc_establish_link_tmo(unsigned long ptr)
1387 {
1388         struct lpfc_hba   *phba = (struct lpfc_hba *) ptr;
1389         struct lpfc_vport **vports;
1390         unsigned long iflag;
1391         int i;
1392
1393         /* Re-establishing Link, timer expired */
1394         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1395                         "1300 Re-establishing Link, timer expired "
1396                         "Data: x%x x%x\n",
1397                         phba->pport->fc_flag, phba->pport->port_state);
1398         vports = lpfc_create_vport_work_array(phba);
1399         if (vports != NULL)
1400                 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1401                         struct Scsi_Host *shost;
1402                         shost = lpfc_shost_from_vport(vports[i]);
1403                         spin_lock_irqsave(shost->host_lock, iflag);
1404                         vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
1405                         spin_unlock_irqrestore(shost->host_lock, iflag);
1406                 }
1407         lpfc_destroy_vport_work_array(vports);
1408 }
1409
1410 void
1411 lpfc_stop_vport_timers(struct lpfc_vport *vport)
1412 {
1413         del_timer_sync(&vport->els_tmofunc);
1414         del_timer_sync(&vport->fc_fdmitmo);
1415         lpfc_can_disctmo(vport);
1416         return;
1417 }
1418
1419 static void
1420 lpfc_stop_phba_timers(struct lpfc_hba *phba)
1421 {
1422         del_timer_sync(&phba->fcp_poll_timer);
1423         del_timer_sync(&phba->fc_estabtmo);
1424         lpfc_stop_vport_timers(phba->pport);
1425         del_timer_sync(&phba->sli.mbox_tmo);
1426         del_timer_sync(&phba->fabric_block_timer);
1427         phba->hb_outstanding = 0;
1428         del_timer_sync(&phba->hb_tmofunc);
1429         return;
1430 }
1431
1432 static void
1433 lpfc_block_mgmt_io(struct lpfc_hba * phba)
1434 {
1435         unsigned long iflag;
1436
1437         spin_lock_irqsave(&phba->hbalock, iflag);
1438         phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1439         spin_unlock_irqrestore(&phba->hbalock, iflag);
1440 }
1441
1442 int
1443 lpfc_online(struct lpfc_hba *phba)
1444 {
1445         struct lpfc_vport *vport = phba->pport;
1446         struct lpfc_vport **vports;
1447         int i;
1448
1449         if (!phba)
1450                 return 0;
1451
1452         if (!(vport->fc_flag & FC_OFFLINE_MODE))
1453                 return 0;
1454
1455         lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1456                         "0458 Bring Adapter online\n");
1457
1458         lpfc_block_mgmt_io(phba);
1459
1460         if (!lpfc_sli_queue_setup(phba)) {
1461                 lpfc_unblock_mgmt_io(phba);
1462                 return 1;
1463         }
1464
1465         if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1466                 lpfc_unblock_mgmt_io(phba);
1467                 return 1;
1468         }
1469
1470         vports = lpfc_create_vport_work_array(phba);
1471         if (vports != NULL)
1472                 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1473                         struct Scsi_Host *shost;
1474                         shost = lpfc_shost_from_vport(vports[i]);
1475                         spin_lock_irq(shost->host_lock);
1476                         vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1477                         if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1478                                 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1479                         spin_unlock_irq(shost->host_lock);
1480                 }
1481                 lpfc_destroy_vport_work_array(vports);
1482
1483         lpfc_unblock_mgmt_io(phba);
1484         return 0;
1485 }
1486
1487 void
1488 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1489 {
1490         unsigned long iflag;
1491
1492         spin_lock_irqsave(&phba->hbalock, iflag);
1493         phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1494         spin_unlock_irqrestore(&phba->hbalock, iflag);
1495 }
1496
1497 void
1498 lpfc_offline_prep(struct lpfc_hba * phba)
1499 {
1500         struct lpfc_vport *vport = phba->pport;
1501         struct lpfc_nodelist  *ndlp, *next_ndlp;
1502         struct lpfc_vport **vports;
1503         int i;
1504
1505         if (vport->fc_flag & FC_OFFLINE_MODE)
1506                 return;
1507
1508         lpfc_block_mgmt_io(phba);
1509
1510         lpfc_linkdown(phba);
1511
1512         /* Issue an unreg_login to all nodes on all vports */
1513         vports = lpfc_create_vport_work_array(phba);
1514         if (vports != NULL) {
1515                 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1516                         struct Scsi_Host *shost;
1517
1518                         if (vports[i]->load_flag & FC_UNLOADING)
1519                                 continue;
1520                         shost = lpfc_shost_from_vport(vports[i]);
1521                         list_for_each_entry_safe(ndlp, next_ndlp,
1522                                                  &vports[i]->fc_nodes,
1523                                                  nlp_listp) {
1524                                 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
1525                                         continue;
1526                                 if (ndlp->nlp_type & NLP_FABRIC) {
1527                                         lpfc_disc_state_machine(vports[i], ndlp,
1528                                                 NULL, NLP_EVT_DEVICE_RECOVERY);
1529                                         lpfc_disc_state_machine(vports[i], ndlp,
1530                                                 NULL, NLP_EVT_DEVICE_RM);
1531                                 }
1532                                 spin_lock_irq(shost->host_lock);
1533                                 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
1534                                 spin_unlock_irq(shost->host_lock);
1535                                 lpfc_unreg_rpi(vports[i], ndlp);
1536                         }
1537                 }
1538         }
1539         lpfc_destroy_vport_work_array(vports);
1540
1541         lpfc_sli_flush_mbox_queue(phba);
1542 }
1543
1544 void
1545 lpfc_offline(struct lpfc_hba *phba)
1546 {
1547         struct Scsi_Host  *shost;
1548         struct lpfc_vport **vports;
1549         int i;
1550
1551         if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1552                 return;
1553
1554         /* stop all timers associated with this hba */
1555         lpfc_stop_phba_timers(phba);
1556         vports = lpfc_create_vport_work_array(phba);
1557         if (vports != NULL)
1558                 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++)
1559                         lpfc_stop_vport_timers(vports[i]);
1560         lpfc_destroy_vport_work_array(vports);
1561         lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1562                         "0460 Bring Adapter offline\n");
1563         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1564            now.  */
1565         lpfc_sli_hba_down(phba);
1566         spin_lock_irq(&phba->hbalock);
1567         phba->work_ha = 0;
1568         spin_unlock_irq(&phba->hbalock);
1569         vports = lpfc_create_vport_work_array(phba);
1570         if (vports != NULL)
1571                 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1572                         shost = lpfc_shost_from_vport(vports[i]);
1573                         spin_lock_irq(shost->host_lock);
1574                         vports[i]->work_port_events = 0;
1575                         vports[i]->fc_flag |= FC_OFFLINE_MODE;
1576                         spin_unlock_irq(shost->host_lock);
1577                 }
1578         lpfc_destroy_vport_work_array(vports);
1579 }
1580
1581 /******************************************************************************
1582 * Function name: lpfc_scsi_free
1583 *
1584 * Description: Called from lpfc_pci_remove_one free internal driver resources
1585 *
1586 ******************************************************************************/
1587 static int
1588 lpfc_scsi_free(struct lpfc_hba *phba)
1589 {
1590         struct lpfc_scsi_buf *sb, *sb_next;
1591         struct lpfc_iocbq *io, *io_next;
1592
1593         spin_lock_irq(&phba->hbalock);
1594         /* Release all the lpfc_scsi_bufs maintained by this host. */
1595         list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1596                 list_del(&sb->list);
1597                 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1598                               sb->dma_handle);
1599                 kfree(sb);
1600                 phba->total_scsi_bufs--;
1601         }
1602
1603         /* Release all the lpfc_iocbq entries maintained by this host. */
1604         list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1605                 list_del(&io->list);
1606                 kfree(io);
1607                 phba->total_iocbq_bufs--;
1608         }
1609
1610         spin_unlock_irq(&phba->hbalock);
1611
1612         return 0;
1613 }
1614
1615 struct lpfc_vport *
1616 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
1617 {
1618         struct lpfc_vport *vport;
1619         struct Scsi_Host  *shost;
1620         int error = 0;
1621
1622         if (dev != &phba->pcidev->dev)
1623                 shost = scsi_host_alloc(&lpfc_vport_template,
1624                                         sizeof(struct lpfc_vport));
1625         else
1626                 shost = scsi_host_alloc(&lpfc_template,
1627                                         sizeof(struct lpfc_vport));
1628         if (!shost)
1629                 goto out;
1630
1631         vport = (struct lpfc_vport *) shost->hostdata;
1632         vport->phba = phba;
1633
1634         vport->load_flag |= FC_LOADING;
1635         vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1636
1637         lpfc_get_vport_cfgparam(vport);
1638         shost->unique_id = instance;
1639         shost->max_id = LPFC_MAX_TARGET;
1640         shost->max_lun = vport->cfg_max_luns;
1641         shost->this_id = -1;
1642         shost->max_cmd_len = 16;
1643         /*
1644          * Set initial can_queue value since 0 is no longer supported and
1645          * scsi_add_host will fail. This will be adjusted later based on the
1646          * max xri value determined in hba setup.
1647          */
1648         shost->can_queue = phba->cfg_hba_queue_depth - 10;
1649         if (dev != &phba->pcidev->dev) {
1650                 shost->transportt = lpfc_vport_transport_template;
1651                 vport->port_type = LPFC_NPIV_PORT;
1652         } else {
1653                 shost->transportt = lpfc_transport_template;
1654                 vport->port_type = LPFC_PHYSICAL_PORT;
1655         }
1656
1657         /* Initialize all internally managed lists. */
1658         INIT_LIST_HEAD(&vport->fc_nodes);
1659         spin_lock_init(&vport->work_port_lock);
1660
1661         init_timer(&vport->fc_disctmo);
1662         vport->fc_disctmo.function = lpfc_disc_timeout;
1663         vport->fc_disctmo.data = (unsigned long)vport;
1664
1665         init_timer(&vport->fc_fdmitmo);
1666         vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
1667         vport->fc_fdmitmo.data = (unsigned long)vport;
1668
1669         init_timer(&vport->els_tmofunc);
1670         vport->els_tmofunc.function = lpfc_els_timeout;
1671         vport->els_tmofunc.data = (unsigned long)vport;
1672
1673         error = scsi_add_host(shost, dev);
1674         if (error)
1675                 goto out_put_shost;
1676
1677         spin_lock_irq(&phba->hbalock);
1678         list_add_tail(&vport->listentry, &phba->port_list);
1679         spin_unlock_irq(&phba->hbalock);
1680         return vport;
1681
1682 out_put_shost:
1683         scsi_host_put(shost);
1684 out:
1685         return NULL;
1686 }
1687
1688 void
1689 destroy_port(struct lpfc_vport *vport)
1690 {
1691         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1692         struct lpfc_hba  *phba = vport->phba;
1693
1694         kfree(vport->vname);
1695
1696         lpfc_debugfs_terminate(vport);
1697         fc_remove_host(shost);
1698         scsi_remove_host(shost);
1699
1700         spin_lock_irq(&phba->hbalock);
1701         list_del_init(&vport->listentry);
1702         spin_unlock_irq(&phba->hbalock);
1703
1704         lpfc_cleanup(vport);
1705         return;
1706 }
1707
1708 int
1709 lpfc_get_instance(void)
1710 {
1711         int instance = 0;
1712
1713         /* Assign an unused number */
1714         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1715                 return -1;
1716         if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1717                 return -1;
1718         return instance;
1719 }
1720
1721 /*
1722  * Note: there is no scan_start function as adapter initialization
1723  * will have asynchronously kicked off the link initialization.
1724  */
1725
1726 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1727 {
1728         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1729         struct lpfc_hba   *phba = vport->phba;
1730         int stat = 0;
1731
1732         spin_lock_irq(shost->host_lock);
1733
1734         if (vport->load_flag & FC_UNLOADING) {
1735                 stat = 1;
1736                 goto finished;
1737         }
1738         if (time >= 30 * HZ) {
1739                 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1740                                 "0461 Scanning longer than 30 "
1741                                 "seconds.  Continuing initialization\n");
1742                 stat = 1;
1743                 goto finished;
1744         }
1745         if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1746                 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1747                                 "0465 Link down longer than 15 "
1748                                 "seconds.  Continuing initialization\n");
1749                 stat = 1;
1750                 goto finished;
1751         }
1752
1753         if (vport->port_state != LPFC_VPORT_READY)
1754                 goto finished;
1755         if (vport->num_disc_nodes || vport->fc_prli_sent)
1756                 goto finished;
1757         if (vport->fc_map_cnt == 0 && time < 2 * HZ)
1758                 goto finished;
1759         if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
1760                 goto finished;
1761
1762         stat = 1;
1763
1764 finished:
1765         spin_unlock_irq(shost->host_lock);
1766         return stat;
1767 }
1768
1769 void lpfc_host_attrib_init(struct Scsi_Host *shost)
1770 {
1771         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1772         struct lpfc_hba   *phba = vport->phba;
1773         /*
1774          * Set fixed host attributes.  Must done after lpfc_sli_hba_setup().
1775          */
1776
1777         fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1778         fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
1779         fc_host_supported_classes(shost) = FC_COS_CLASS3;
1780
1781         memset(fc_host_supported_fc4s(shost), 0,
1782                sizeof(fc_host_supported_fc4s(shost)));
1783         fc_host_supported_fc4s(shost)[2] = 1;
1784         fc_host_supported_fc4s(shost)[7] = 1;
1785
1786         lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1787                                  sizeof fc_host_symbolic_name(shost));
1788
1789         fc_host_supported_speeds(shost) = 0;
1790         if (phba->lmt & LMT_10Gb)
1791                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1792         if (phba->lmt & LMT_8Gb)
1793                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
1794         if (phba->lmt & LMT_4Gb)
1795                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1796         if (phba->lmt & LMT_2Gb)
1797                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1798         if (phba->lmt & LMT_1Gb)
1799                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1800
1801         fc_host_maxframe_size(shost) =
1802                 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1803                 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1804
1805         /* This value is also unchanging */
1806         memset(fc_host_active_fc4s(shost), 0,
1807                sizeof(fc_host_active_fc4s(shost)));
1808         fc_host_active_fc4s(shost)[2] = 1;
1809         fc_host_active_fc4s(shost)[7] = 1;
1810
1811         fc_host_max_npiv_vports(shost) = phba->max_vpi;
1812         spin_lock_irq(shost->host_lock);
1813         vport->load_flag &= ~FC_LOADING;
1814         spin_unlock_irq(shost->host_lock);
1815 }
1816
1817 static int __devinit
1818 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1819 {
1820         struct lpfc_vport *vport = NULL;
1821         struct lpfc_hba   *phba;
1822         struct lpfc_sli   *psli;
1823         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1824         struct Scsi_Host  *shost = NULL;
1825         void *ptr;
1826         unsigned long bar0map_len, bar2map_len;
1827         int error = -ENODEV, retval;
1828         int  i, hbq_count;
1829         uint16_t iotag;
1830
1831         if (pci_enable_device(pdev))
1832                 goto out;
1833         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1834                 goto out_disable_device;
1835
1836         phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1837         if (!phba)
1838                 goto out_release_regions;
1839
1840         spin_lock_init(&phba->hbalock);
1841
1842         phba->pcidev = pdev;
1843
1844         /* Assign an unused board number */
1845         if ((phba->brd_no = lpfc_get_instance()) < 0)
1846                 goto out_free_phba;
1847
1848         INIT_LIST_HEAD(&phba->port_list);
1849         /*
1850          * Get all the module params for configuring this host and then
1851          * establish the host.
1852          */
1853         lpfc_get_cfgparam(phba);
1854         phba->max_vpi = LPFC_MAX_VPI;
1855
1856         /* Initialize timers used by driver */
1857         init_timer(&phba->fc_estabtmo);
1858         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1859         phba->fc_estabtmo.data = (unsigned long)phba;
1860
1861         init_timer(&phba->hb_tmofunc);
1862         phba->hb_tmofunc.function = lpfc_hb_timeout;
1863         phba->hb_tmofunc.data = (unsigned long)phba;
1864
1865         psli = &phba->sli;
1866         init_timer(&psli->mbox_tmo);
1867         psli->mbox_tmo.function = lpfc_mbox_timeout;
1868         psli->mbox_tmo.data = (unsigned long) phba;
1869         init_timer(&phba->fcp_poll_timer);
1870         phba->fcp_poll_timer.function = lpfc_poll_timeout;
1871         phba->fcp_poll_timer.data = (unsigned long) phba;
1872         init_timer(&phba->fabric_block_timer);
1873         phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1874         phba->fabric_block_timer.data = (unsigned long) phba;
1875
1876         pci_set_master(pdev);
1877         pci_try_set_mwi(pdev);
1878
1879         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1880                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1881                         goto out_idr_remove;
1882
1883         /*
1884          * Get the bus address of Bar0 and Bar2 and the number of bytes
1885          * required by each mapping.
1886          */
1887         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1888         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1889
1890         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1891         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1892
1893         /* Map HBA SLIM to a kernel virtual address. */
1894         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1895         if (!phba->slim_memmap_p) {
1896                 error = -ENODEV;
1897                 dev_printk(KERN_ERR, &pdev->dev,
1898                            "ioremap failed for SLIM memory.\n");
1899                 goto out_idr_remove;
1900         }
1901
1902         /* Map HBA Control Registers to a kernel virtual address. */
1903         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1904         if (!phba->ctrl_regs_memmap_p) {
1905                 error = -ENODEV;
1906                 dev_printk(KERN_ERR, &pdev->dev,
1907                            "ioremap failed for HBA control registers.\n");
1908                 goto out_iounmap_slim;
1909         }
1910
1911         /* Allocate memory for SLI-2 structures */
1912         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1913                                           &phba->slim2p_mapping, GFP_KERNEL);
1914         if (!phba->slim2p)
1915                 goto out_iounmap;
1916
1917         memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1918
1919         phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
1920                                                  lpfc_sli_hbq_size(),
1921                                                  &phba->hbqslimp.phys,
1922                                                  GFP_KERNEL);
1923         if (!phba->hbqslimp.virt)
1924                 goto out_free_slim;
1925
1926         hbq_count = lpfc_sli_hbq_count();
1927         ptr = phba->hbqslimp.virt;
1928         for (i = 0; i < hbq_count; ++i) {
1929                 phba->hbqs[i].hbq_virt = ptr;
1930                 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
1931                 ptr += (lpfc_hbq_defs[i]->entry_count *
1932                         sizeof(struct lpfc_hbq_entry));
1933         }
1934         phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
1935         phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer  = lpfc_els_hbq_free;
1936
1937         memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
1938
1939         /* Initialize the SLI Layer to run with lpfc HBAs. */
1940         lpfc_sli_setup(phba);
1941         lpfc_sli_queue_setup(phba);
1942
1943         retval = lpfc_mem_alloc(phba);
1944         if (retval) {
1945                 error = retval;
1946                 goto out_free_hbqslimp;
1947         }
1948
1949         /* Initialize and populate the iocb list per host.  */
1950         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1951         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1952                 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1953                 if (iocbq_entry == NULL) {
1954                         printk(KERN_ERR "%s: only allocated %d iocbs of "
1955                                 "expected %d count. Unloading driver.\n",
1956                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1957                         error = -ENOMEM;
1958                         goto out_free_iocbq;
1959                 }
1960
1961                 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1962                 if (iotag == 0) {
1963                         kfree (iocbq_entry);
1964                         printk(KERN_ERR "%s: failed to allocate IOTAG. "
1965                                "Unloading driver.\n",
1966                                 __FUNCTION__);
1967                         error = -ENOMEM;
1968                         goto out_free_iocbq;
1969                 }
1970
1971                 spin_lock_irq(&phba->hbalock);
1972                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1973                 phba->total_iocbq_bufs++;
1974                 spin_unlock_irq(&phba->hbalock);
1975         }
1976
1977         /* Initialize HBA structure */
1978         phba->fc_edtov = FF_DEF_EDTOV;
1979         phba->fc_ratov = FF_DEF_RATOV;
1980         phba->fc_altov = FF_DEF_ALTOV;
1981         phba->fc_arbtov = FF_DEF_ARBTOV;
1982
1983         INIT_LIST_HEAD(&phba->work_list);
1984         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1985         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1986
1987         /* Startup the kernel thread for this host adapter. */
1988         phba->worker_thread = kthread_run(lpfc_do_work, phba,
1989                                        "lpfc_worker_%d", phba->brd_no);
1990         if (IS_ERR(phba->worker_thread)) {
1991                 error = PTR_ERR(phba->worker_thread);
1992                 goto out_free_iocbq;
1993         }
1994
1995         /* Initialize the list of scsi buffers used by driver for scsi IO. */
1996         spin_lock_init(&phba->scsi_buf_list_lock);
1997         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1998
1999         /* Initialize list of fabric iocbs */
2000         INIT_LIST_HEAD(&phba->fabric_iocb_list);
2001
2002         vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
2003         if (!vport)
2004                 goto out_kthread_stop;
2005
2006         shost = lpfc_shost_from_vport(vport);
2007         phba->pport = vport;
2008         lpfc_debugfs_initialize(vport);
2009
2010         pci_set_drvdata(pdev, shost);
2011
2012         if (phba->cfg_use_msi) {
2013                 retval = pci_enable_msi(phba->pcidev);
2014                 if (!retval)
2015                         phba->using_msi = 1;
2016                 else
2017                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2018                                         "0452 Enable MSI failed, continuing "
2019                                         "with IRQ\n");
2020         }
2021
2022         retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
2023                             LPFC_DRIVER_NAME, phba);
2024         if (retval) {
2025                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2026                         "0451 Enable interrupt handler failed\n");
2027                 error = retval;
2028                 goto out_disable_msi;
2029         }
2030
2031         phba->MBslimaddr = phba->slim_memmap_p;
2032         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
2033         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
2034         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
2035         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
2036
2037         if (lpfc_alloc_sysfs_attr(vport)) {
2038                 error = -ENOMEM;
2039                 goto out_free_irq;
2040         }
2041
2042         if (lpfc_sli_hba_setup(phba)) {
2043                 error = -ENODEV;
2044                 goto out_remove_device;
2045         }
2046
2047         /*
2048          * hba setup may have changed the hba_queue_depth so we need to adjust
2049          * the value of can_queue.
2050          */
2051         shost->can_queue = phba->cfg_hba_queue_depth - 10;
2052
2053         lpfc_host_attrib_init(shost);
2054
2055         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
2056                 spin_lock_irq(shost->host_lock);
2057                 lpfc_poll_start_timer(phba);
2058                 spin_unlock_irq(shost->host_lock);
2059         }
2060
2061         scsi_scan_host(shost);
2062
2063         return 0;
2064
2065 out_remove_device:
2066         lpfc_free_sysfs_attr(vport);
2067         spin_lock_irq(shost->host_lock);
2068         vport->load_flag |= FC_UNLOADING;
2069         spin_unlock_irq(shost->host_lock);
2070 out_free_irq:
2071         lpfc_stop_phba_timers(phba);
2072         phba->pport->work_port_events = 0;
2073         free_irq(phba->pcidev->irq, phba);
2074 out_disable_msi:
2075         if (phba->using_msi)
2076                 pci_disable_msi(phba->pcidev);
2077         destroy_port(vport);
2078 out_kthread_stop:
2079         kthread_stop(phba->worker_thread);
2080 out_free_iocbq:
2081         list_for_each_entry_safe(iocbq_entry, iocbq_next,
2082                                                 &phba->lpfc_iocb_list, list) {
2083                 kfree(iocbq_entry);
2084                 phba->total_iocbq_bufs--;
2085         }
2086         lpfc_mem_free(phba);
2087 out_free_hbqslimp:
2088         dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2089                           phba->hbqslimp.phys);
2090 out_free_slim:
2091         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
2092                                                         phba->slim2p_mapping);
2093 out_iounmap:
2094         iounmap(phba->ctrl_regs_memmap_p);
2095 out_iounmap_slim:
2096         iounmap(phba->slim_memmap_p);
2097 out_idr_remove:
2098         idr_remove(&lpfc_hba_index, phba->brd_no);
2099 out_free_phba:
2100         kfree(phba);
2101 out_release_regions:
2102         pci_release_regions(pdev);
2103 out_disable_device:
2104         pci_disable_device(pdev);
2105 out:
2106         pci_set_drvdata(pdev, NULL);
2107         if (shost)
2108                 scsi_host_put(shost);
2109         return error;
2110 }
2111
2112 static void __devexit
2113 lpfc_pci_remove_one(struct pci_dev *pdev)
2114 {
2115         struct Scsi_Host  *shost = pci_get_drvdata(pdev);
2116         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2117         struct lpfc_hba   *phba = vport->phba;
2118         spin_lock_irq(&phba->hbalock);
2119         vport->load_flag |= FC_UNLOADING;
2120         spin_unlock_irq(&phba->hbalock);
2121
2122         kfree(vport->vname);
2123         lpfc_free_sysfs_attr(vport);
2124
2125         fc_remove_host(shost);
2126         scsi_remove_host(shost);
2127         lpfc_cleanup(vport);
2128
2129         /*
2130          * Bring down the SLI Layer. This step disable all interrupts,
2131          * clears the rings, discards all mailbox commands, and resets
2132          * the HBA.
2133          */
2134         lpfc_sli_hba_down(phba);
2135         lpfc_sli_brdrestart(phba);
2136
2137         lpfc_stop_phba_timers(phba);
2138         spin_lock_irq(&phba->hbalock);
2139         list_del_init(&vport->listentry);
2140         spin_unlock_irq(&phba->hbalock);
2141
2142         lpfc_debugfs_terminate(vport);
2143
2144         kthread_stop(phba->worker_thread);
2145
2146         /* Release the irq reservation */
2147         free_irq(phba->pcidev->irq, phba);
2148         if (phba->using_msi)
2149                 pci_disable_msi(phba->pcidev);
2150
2151         pci_set_drvdata(pdev, NULL);
2152         scsi_host_put(shost);
2153
2154         /*
2155          * Call scsi_free before mem_free since scsi bufs are released to their
2156          * corresponding pools here.
2157          */
2158         lpfc_scsi_free(phba);
2159         lpfc_mem_free(phba);
2160
2161         dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2162                           phba->hbqslimp.phys);
2163
2164         /* Free resources associated with SLI2 interface */
2165         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2166                           phba->slim2p, phba->slim2p_mapping);
2167
2168         /* unmap adapter SLIM and Control Registers */
2169         iounmap(phba->ctrl_regs_memmap_p);
2170         iounmap(phba->slim_memmap_p);
2171
2172         idr_remove(&lpfc_hba_index, phba->brd_no);
2173
2174         kfree(phba);
2175
2176         pci_release_regions(pdev);
2177         pci_disable_device(pdev);
2178 }
2179
2180 /**
2181  * lpfc_io_error_detected - called when PCI error is detected
2182  * @pdev: Pointer to PCI device
2183  * @state: The current pci conneection state
2184  *
2185  * This function is called after a PCI bus error affecting
2186  * this device has been detected.
2187  */
2188 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2189                                 pci_channel_state_t state)
2190 {
2191         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2192         struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2193         struct lpfc_sli *psli = &phba->sli;
2194         struct lpfc_sli_ring  *pring;
2195
2196         if (state == pci_channel_io_perm_failure)
2197                 return PCI_ERS_RESULT_DISCONNECT;
2198
2199         pci_disable_device(pdev);
2200         /*
2201          * There may be I/Os dropped by the firmware.
2202          * Error iocb (I/O) on txcmplq and let the SCSI layer
2203          * retry it after re-establishing link.
2204          */
2205         pring = &psli->ring[psli->fcp_ring];
2206         lpfc_sli_abort_iocb_ring(phba, pring);
2207
2208         /* Release the irq reservation */
2209         free_irq(phba->pcidev->irq, phba);
2210         if (phba->using_msi)
2211                 pci_disable_msi(phba->pcidev);
2212
2213         /* Request a slot reset. */
2214         return PCI_ERS_RESULT_NEED_RESET;
2215 }
2216
2217 /**
2218  * lpfc_io_slot_reset - called after the pci bus has been reset.
2219  * @pdev: Pointer to PCI device
2220  *
2221  * Restart the card from scratch, as if from a cold-boot.
2222  */
2223 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2224 {
2225         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2226         struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2227         struct lpfc_sli *psli = &phba->sli;
2228         int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2229
2230         dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2231         if (pci_enable_device_bars(pdev, bars)) {
2232                 printk(KERN_ERR "lpfc: Cannot re-enable "
2233                         "PCI device after reset.\n");
2234                 return PCI_ERS_RESULT_DISCONNECT;
2235         }
2236
2237         pci_set_master(pdev);
2238
2239         /* Re-establishing Link */
2240         spin_lock_irq(shost->host_lock);
2241         phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2242         spin_unlock_irq(shost->host_lock);
2243
2244         spin_lock_irq(&phba->hbalock);
2245         psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2246         spin_unlock_irq(&phba->hbalock);
2247
2248
2249         /* Take device offline; this will perform cleanup */
2250         lpfc_offline(phba);
2251         lpfc_sli_brdrestart(phba);
2252
2253         return PCI_ERS_RESULT_RECOVERED;
2254 }
2255
2256 /**
2257  * lpfc_io_resume - called when traffic can start flowing again.
2258  * @pdev: Pointer to PCI device
2259  *
2260  * This callback is called when the error recovery driver tells us that
2261  * its OK to resume normal operation.
2262  */
2263 static void lpfc_io_resume(struct pci_dev *pdev)
2264 {
2265         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2266         struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2267
2268         if (lpfc_online(phba) == 0) {
2269                 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2270         }
2271 }
2272
2273 static struct pci_device_id lpfc_id_table[] = {
2274         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2275                 PCI_ANY_ID, PCI_ANY_ID, },
2276         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2277                 PCI_ANY_ID, PCI_ANY_ID, },
2278         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2279                 PCI_ANY_ID, PCI_ANY_ID, },
2280         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2281                 PCI_ANY_ID, PCI_ANY_ID, },
2282         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2283                 PCI_ANY_ID, PCI_ANY_ID, },
2284         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2285                 PCI_ANY_ID, PCI_ANY_ID, },
2286         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2287                 PCI_ANY_ID, PCI_ANY_ID, },
2288         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2289                 PCI_ANY_ID, PCI_ANY_ID, },
2290         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2291                 PCI_ANY_ID, PCI_ANY_ID, },
2292         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2293                 PCI_ANY_ID, PCI_ANY_ID, },
2294         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2295                 PCI_ANY_ID, PCI_ANY_ID, },
2296         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2297                 PCI_ANY_ID, PCI_ANY_ID, },
2298         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2299                 PCI_ANY_ID, PCI_ANY_ID, },
2300         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2301                 PCI_ANY_ID, PCI_ANY_ID, },
2302         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2303                 PCI_ANY_ID, PCI_ANY_ID, },
2304         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2305                 PCI_ANY_ID, PCI_ANY_ID, },
2306         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2307                 PCI_ANY_ID, PCI_ANY_ID, },
2308         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2309                 PCI_ANY_ID, PCI_ANY_ID, },
2310         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2311                 PCI_ANY_ID, PCI_ANY_ID, },
2312         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2313                 PCI_ANY_ID, PCI_ANY_ID, },
2314         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2315                 PCI_ANY_ID, PCI_ANY_ID, },
2316         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2317                 PCI_ANY_ID, PCI_ANY_ID, },
2318         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2319                 PCI_ANY_ID, PCI_ANY_ID, },
2320         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2321                 PCI_ANY_ID, PCI_ANY_ID, },
2322         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2323                 PCI_ANY_ID, PCI_ANY_ID, },
2324         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2325                 PCI_ANY_ID, PCI_ANY_ID, },
2326         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2327                 PCI_ANY_ID, PCI_ANY_ID, },
2328         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2329                 PCI_ANY_ID, PCI_ANY_ID, },
2330         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2331                 PCI_ANY_ID, PCI_ANY_ID, },
2332         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2333                 PCI_ANY_ID, PCI_ANY_ID, },
2334         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2335                 PCI_ANY_ID, PCI_ANY_ID, },
2336         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2337                 PCI_ANY_ID, PCI_ANY_ID, },
2338         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2339                 PCI_ANY_ID, PCI_ANY_ID, },
2340         { 0 }
2341 };
2342
2343 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2344
2345 static struct pci_error_handlers lpfc_err_handler = {
2346         .error_detected = lpfc_io_error_detected,
2347         .slot_reset = lpfc_io_slot_reset,
2348         .resume = lpfc_io_resume,
2349 };
2350
2351 static struct pci_driver lpfc_driver = {
2352         .name           = LPFC_DRIVER_NAME,
2353         .id_table       = lpfc_id_table,
2354         .probe          = lpfc_pci_probe_one,
2355         .remove         = __devexit_p(lpfc_pci_remove_one),
2356         .err_handler    = &lpfc_err_handler,
2357 };
2358
2359 static int __init
2360 lpfc_init(void)
2361 {
2362         int error = 0;
2363
2364         printk(LPFC_MODULE_DESC "\n");
2365         printk(LPFC_COPYRIGHT "\n");
2366
2367         if (lpfc_enable_npiv) {
2368                 lpfc_transport_functions.vport_create = lpfc_vport_create;
2369                 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
2370         }
2371         lpfc_transport_template =
2372                                 fc_attach_transport(&lpfc_transport_functions);
2373         if (lpfc_transport_template == NULL)
2374                 return -ENOMEM;
2375         if (lpfc_enable_npiv) {
2376                 lpfc_vport_transport_template =
2377                         fc_attach_transport(&lpfc_vport_transport_functions);
2378                 if (lpfc_vport_transport_template == NULL) {
2379                         fc_release_transport(lpfc_transport_template);
2380                         return -ENOMEM;
2381                 }
2382         }
2383         error = pci_register_driver(&lpfc_driver);
2384         if (error) {
2385                 fc_release_transport(lpfc_transport_template);
2386                 fc_release_transport(lpfc_vport_transport_template);
2387         }
2388
2389         return error;
2390 }
2391
2392 static void __exit
2393 lpfc_exit(void)
2394 {
2395         pci_unregister_driver(&lpfc_driver);
2396         fc_release_transport(lpfc_transport_template);
2397         if (lpfc_enable_npiv)
2398                 fc_release_transport(lpfc_vport_transport_template);
2399 }
2400
2401 module_init(lpfc_init);
2402 module_exit(lpfc_exit);
2403 MODULE_LICENSE("GPL");
2404 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2405 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2406 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);