err.no Git - linux-2.6/blob - drivers/scsi/lpfc/lpfc_init.c

   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Fibre Channel Host Bus Adapters.                                *
   4  * Copyright (C) 2004-2008 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         struct lpfc_iocbq *iocb;
 488         IOCB_t *cmd = NULL;
 489         LIST_HEAD(completions);
 490         int i;
 491
 492         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
 493                 lpfc_sli_hbqbuf_free_all(phba);
 494         else {
 495                 /* Cleanup preposted buffers on the ELS ring */
 496                 pring = &psli->ring[LPFC_ELS_RING];
 497                 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
 498                         list_del(&mp->list);
 499                         pring->postbufq_cnt--;
 500                         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 501                         kfree(mp);
 502                 }
 503         }
 504
 505         spin_lock_irq(&phba->hbalock);
 506         for (i = 0; i < psli->num_rings; i++) {
 507                 pring = &psli->ring[i];
 508
 509                 /* At this point in time the HBA is either reset or DOA. Either
 510                  * way, nothing should be on txcmplq as it will NEVER complete.
 511                  */
 512                 list_splice_init(&pring->txcmplq, &completions);
 513                 pring->txcmplq_cnt = 0;
 514                 spin_unlock_irq(&phba->hbalock);
 515
 516                 while (!list_empty(&completions)) {
 517                         iocb = list_get_first(&completions, struct lpfc_iocbq,
 518                                 list);
 519                         cmd = &iocb->iocb;
 520                         list_del_init(&iocb->list);
 521
 522                         if (!iocb->iocb_cmpl)
 523                                 lpfc_sli_release_iocbq(phba, iocb);
 524                         else {
 525                                 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
 526                                 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
 527                                 (iocb->iocb_cmpl) (phba, iocb, iocb);
 528                         }
 529                 }
 530
 531                 lpfc_sli_abort_iocb_ring(phba, pring);
 532                 spin_lock_irq(&phba->hbalock);
 533         }
 534         spin_unlock_irq(&phba->hbalock);
 535
 536         return 0;
 537 }
 538
 539 /* HBA heart beat timeout handler */
 540 static void
 541 lpfc_hb_timeout(unsigned long ptr)
 542 {
 543         struct lpfc_hba *phba;
 544         unsigned long iflag;
 545
 546         phba = (struct lpfc_hba *)ptr;
 547         spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
 548         if (!(phba->pport->work_port_events & WORKER_HB_TMO))
 549                 phba->pport->work_port_events |= WORKER_HB_TMO;
 550         spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
 551
 552         if (phba->work_wait)
 553                 wake_up(phba->work_wait);
 554         return;
 555 }
 556
 557 static void
 558 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
 559 {
 560         unsigned long drvr_flag;
 561
 562         spin_lock_irqsave(&phba->hbalock, drvr_flag);
 563         phba->hb_outstanding = 0;
 564         spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
 565
 566         mempool_free(pmboxq, phba->mbox_mem_pool);
 567         if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
 568                 !(phba->link_state == LPFC_HBA_ERROR) &&
 569                 !(phba->pport->load_flag & FC_UNLOADING))
 570                 mod_timer(&phba->hb_tmofunc,
 571                         jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 572         return;
 573 }
 574
 575 void
 576 lpfc_hb_timeout_handler(struct lpfc_hba *phba)
 577 {
 578         LPFC_MBOXQ_t *pmboxq;
 579         struct lpfc_dmabuf *buf_ptr;
 580         int retval;
 581         struct lpfc_sli *psli = &phba->sli;
 582         LIST_HEAD(completions);
 583
 584         if ((phba->link_state == LPFC_HBA_ERROR) ||
 585                 (phba->pport->load_flag & FC_UNLOADING) ||
 586                 (phba->pport->fc_flag & FC_OFFLINE_MODE))
 587                 return;
 588
 589         spin_lock_irq(&phba->pport->work_port_lock);
 590         /* If the timer is already canceled do nothing */
 591         if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
 592                 spin_unlock_irq(&phba->pport->work_port_lock);
 593                 return;
 594         }
 595
 596         if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
 597                 jiffies)) {
 598                 spin_unlock_irq(&phba->pport->work_port_lock);
 599                 if (!phba->hb_outstanding)
 600                         mod_timer(&phba->hb_tmofunc,
 601                                 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 602                 else
 603                         mod_timer(&phba->hb_tmofunc,
 604                                 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
 605                 return;
 606         }
 607         spin_unlock_irq(&phba->pport->work_port_lock);
 608
 609         if (phba->elsbuf_cnt &&
 610                 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
 611                 spin_lock_irq(&phba->hbalock);
 612                 list_splice_init(&phba->elsbuf, &completions);
 613                 phba->elsbuf_cnt = 0;
 614                 phba->elsbuf_prev_cnt = 0;
 615                 spin_unlock_irq(&phba->hbalock);
 616
 617                 while (!list_empty(&completions)) {
 618                         list_remove_head(&completions, buf_ptr,
 619                                 struct lpfc_dmabuf, list);
 620                         lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 621                         kfree(buf_ptr);
 622                 }
 623         }
 624         phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
 625
 626         /* If there is no heart beat outstanding, issue a heartbeat command */
 627         if (phba->cfg_enable_hba_heartbeat) {
 628                 if (!phba->hb_outstanding) {
 629                         pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
 630                         if (!pmboxq) {
 631                                 mod_timer(&phba->hb_tmofunc,
 632                                           jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 633                                 return;
 634                         }
 635
 636                         lpfc_heart_beat(phba, pmboxq);
 637                         pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
 638                         pmboxq->vport = phba->pport;
 639                         retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
 640
 641                         if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
 642                                 mempool_free(pmboxq, phba->mbox_mem_pool);
 643                                 mod_timer(&phba->hb_tmofunc,
 644                                           jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 645                                 return;
 646                         }
 647                         mod_timer(&phba->hb_tmofunc,
 648                                   jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
 649                         phba->hb_outstanding = 1;
 650                         return;
 651                 } else {
 652                         /*
 653                         * If heart beat timeout called with hb_outstanding set
 654                         * we need to take the HBA offline.
 655                         */
 656                         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 657                                         "0459 Adapter heartbeat failure, "
 658                                         "taking this port offline.\n");
 659
 660                         spin_lock_irq(&phba->hbalock);
 661                         psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 662                         spin_unlock_irq(&phba->hbalock);
 663
 664                         lpfc_offline_prep(phba);
 665                         lpfc_offline(phba);
 666                         lpfc_unblock_mgmt_io(phba);
 667                         phba->link_state = LPFC_HBA_ERROR;
 668                         lpfc_hba_down_post(phba);
 669                 }
 670         }
 671 }
 672
 673 static void
 674 lpfc_offline_eratt(struct lpfc_hba *phba)
 675 {
 676         struct lpfc_sli   *psli = &phba->sli;
 677
 678         spin_lock_irq(&phba->hbalock);
 679         psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 680         spin_unlock_irq(&phba->hbalock);
 681         lpfc_offline_prep(phba);
 682
 683         lpfc_offline(phba);
 684         lpfc_reset_barrier(phba);
 685         lpfc_sli_brdreset(phba);
 686         lpfc_hba_down_post(phba);
 687         lpfc_sli_brdready(phba, HS_MBRDY);
 688         lpfc_unblock_mgmt_io(phba);
 689         phba->link_state = LPFC_HBA_ERROR;
 690         return;
 691 }
 692
 693 /************************************************************************/
 694 /*                                                                      */
 695 /*    lpfc_handle_eratt                                                 */
 696 /*    This routine will handle processing a Host Attention              */
 697 /*    Error Status event. This will be initialized                      */
 698 /*    as a SLI layer callback routine.                                  */
 699 /*                                                                      */
 700 /************************************************************************/
 701 void
 702 lpfc_handle_eratt(struct lpfc_hba *phba)
 703 {
 704         struct lpfc_vport *vport = phba->pport;
 705         struct lpfc_sli   *psli = &phba->sli;
 706         struct lpfc_sli_ring  *pring;
 707         struct lpfc_vport **vports;
 708         uint32_t event_data;
 709         unsigned long temperature;
 710         struct temp_event temp_event_data;
 711         struct Scsi_Host  *shost;
 712         int i;
 713
 714         /* If the pci channel is offline, ignore possible errors,
 715          * since we cannot communicate with the pci card anyway. */
 716         if (pci_channel_offline(phba->pcidev))
 717                 return;
 718         /* If resets are disabled then leave the HBA alone and return */
 719         if (!phba->cfg_enable_hba_reset)
 720                 return;
 721
 722         if (phba->work_hs & HS_FFER6 ||
 723             phba->work_hs & HS_FFER5) {
 724                 /* Re-establishing Link */
 725                 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
 726                                 "1301 Re-establishing Link "
 727                                 "Data: x%x x%x x%x\n",
 728                                 phba->work_hs,
 729                                 phba->work_status[0], phba->work_status[1]);
 730                 vports = lpfc_create_vport_work_array(phba);
 731                 if (vports != NULL)
 732                         for(i = 0;
 733                             i <= phba->max_vpi && vports[i] != NULL;
 734                             i++){
 735                                 shost = lpfc_shost_from_vport(vports[i]);
 736                                 spin_lock_irq(shost->host_lock);
 737                                 vports[i]->fc_flag |= FC_ESTABLISH_LINK;
 738                                 spin_unlock_irq(shost->host_lock);
 739                         }
 740                 lpfc_destroy_vport_work_array(phba, vports);
 741                 spin_lock_irq(&phba->hbalock);
 742                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 743                 spin_unlock_irq(&phba->hbalock);
 744
 745                 /*
 746                 * Firmware stops when it triggled erratt with HS_FFER6.
 747                 * That could cause the I/Os dropped by the firmware.
 748                 * Error iocb (I/O) on txcmplq and let the SCSI layer
 749                 * retry it after re-establishing link.
 750                 */
 751                 pring = &psli->ring[psli->fcp_ring];
 752                 lpfc_sli_abort_iocb_ring(phba, pring);
 753
 754
 755                 /*
 756                  * There was a firmware error.  Take the hba offline and then
 757                  * attempt to restart it.
 758                  */
 759                 lpfc_offline_prep(phba);
 760                 lpfc_offline(phba);
 761                 lpfc_sli_brdrestart(phba);
 762                 if (lpfc_online(phba) == 0) {   /* Initialize the HBA */
 763                         mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
 764                         lpfc_unblock_mgmt_io(phba);
 765                         return;
 766                 }
 767                 lpfc_unblock_mgmt_io(phba);
 768         } else if (phba->work_hs & HS_CRIT_TEMP) {
 769                 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
 770                 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
 771                 temp_event_data.event_code = LPFC_CRIT_TEMP;
 772                 temp_event_data.data = (uint32_t)temperature;
 773
 774                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 775                                 "0459 Adapter maximum temperature exceeded "
 776                                 "(%ld), taking this port offline "
 777                                 "Data: x%x x%x x%x\n",
 778                                 temperature, phba->work_hs,
 779                                 phba->work_status[0], phba->work_status[1]);
 780
 781                 shost = lpfc_shost_from_vport(phba->pport);
 782                 fc_host_post_vendor_event(shost, fc_get_event_number(),
 783                                           sizeof(temp_event_data),
 784                                           (char *) &temp_event_data,
 785                                           SCSI_NL_VID_TYPE_PCI
 786                                           | PCI_VENDOR_ID_EMULEX);
 787
 788                 spin_lock_irq(&phba->hbalock);
 789                 phba->over_temp_state = HBA_OVER_TEMP;
 790                 spin_unlock_irq(&phba->hbalock);
 791                 lpfc_offline_eratt(phba);
 792
 793         } else {
 794                 /* The if clause above forces this code path when the status
 795                  * failure is a value other than FFER6.  Do not call the offline
 796                  *  twice. This is the adapter hardware error path.
 797                  */
 798                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 799                                 "0457 Adapter Hardware Error "
 800                                 "Data: x%x x%x x%x\n",
 801                                 phba->work_hs,
 802                                 phba->work_status[0], phba->work_status[1]);
 803
 804                 event_data = FC_REG_DUMP_EVENT;
 805                 shost = lpfc_shost_from_vport(vport);
 806                 fc_host_post_vendor_event(shost, fc_get_event_number(),
 807                                 sizeof(event_data), (char *) &event_data,
 808                                 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
 809
 810                 lpfc_offline_eratt(phba);
 811         }
 812 }
 813
 814 /************************************************************************/
 815 /*                                                                      */
 816 /*    lpfc_handle_latt                                                  */
 817 /*    This routine will handle processing a Host Attention              */
 818 /*    Link Status event. This will be initialized                       */
 819 /*    as a SLI layer callback routine.                                  */
 820 /*                                                                      */
 821 /************************************************************************/
 822 void
 823 lpfc_handle_latt(struct lpfc_hba *phba)
 824 {
 825         struct lpfc_vport *vport = phba->pport;
 826         struct lpfc_sli   *psli = &phba->sli;
 827         LPFC_MBOXQ_t *pmb;
 828         volatile uint32_t control;
 829         struct lpfc_dmabuf *mp;
 830         int rc = 0;
 831
 832         pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 833         if (!pmb) {
 834                 rc = 1;
 835                 goto lpfc_handle_latt_err_exit;
 836         }
 837
 838         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 839         if (!mp) {
 840                 rc = 2;
 841                 goto lpfc_handle_latt_free_pmb;
 842         }
 843
 844         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
 845         if (!mp->virt) {
 846                 rc = 3;
 847                 goto lpfc_handle_latt_free_mp;
 848         }
 849
 850         /* Cleanup any outstanding ELS commands */
 851         lpfc_els_flush_all_cmd(phba);
 852
 853         psli->slistat.link_event++;
 854         lpfc_read_la(phba, pmb, mp);
 855         pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
 856         pmb->vport = vport;
 857         rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
 858         if (rc == MBX_NOT_FINISHED) {
 859                 rc = 4;
 860                 goto lpfc_handle_latt_free_mbuf;
 861         }
 862
 863         /* Clear Link Attention in HA REG */
 864         spin_lock_irq(&phba->hbalock);
 865         writel(HA_LATT, phba->HAregaddr);
 866         readl(phba->HAregaddr); /* flush */
 867         spin_unlock_irq(&phba->hbalock);
 868
 869         return;
 870
 871 lpfc_handle_latt_free_mbuf:
 872         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 873 lpfc_handle_latt_free_mp:
 874         kfree(mp);
 875 lpfc_handle_latt_free_pmb:
 876         mempool_free(pmb, phba->mbox_mem_pool);
 877 lpfc_handle_latt_err_exit:
 878         /* Enable Link attention interrupts */
 879         spin_lock_irq(&phba->hbalock);
 880         psli->sli_flag |= LPFC_PROCESS_LA;
 881         control = readl(phba->HCregaddr);
 882         control |= HC_LAINT_ENA;
 883         writel(control, phba->HCregaddr);
 884         readl(phba->HCregaddr); /* flush */
 885
 886         /* Clear Link Attention in HA REG */
 887         writel(HA_LATT, phba->HAregaddr);
 888         readl(phba->HAregaddr); /* flush */
 889         spin_unlock_irq(&phba->hbalock);
 890         lpfc_linkdown(phba);
 891         phba->link_state = LPFC_HBA_ERROR;
 892
 893         lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
 894                      "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
 895
 896         return;
 897 }
 898
 899 /************************************************************************/
 900 /*                                                                      */
 901 /*   lpfc_parse_vpd                                                     */
 902 /*   This routine will parse the VPD data                               */
 903 /*                                                                      */
 904 /************************************************************************/
 905 static int
 906 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
 907 {
 908         uint8_t lenlo, lenhi;
 909         int Length;
 910         int i, j;
 911         int finished = 0;
 912         int index = 0;
 913
 914         if (!vpd)
 915                 return 0;
 916
 917         /* Vital Product */
 918         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 919                         "0455 Vital Product Data: x%x x%x x%x x%x\n",
 920                         (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
 921                         (uint32_t) vpd[3]);
 922         while (!finished && (index < (len - 4))) {
 923                 switch (vpd[index]) {
 924                 case 0x82:
 925                 case 0x91:
 926                         index += 1;
 927                         lenlo = vpd[index];
 928                         index += 1;
 929                         lenhi = vpd[index];
 930                         index += 1;
 931                         i = ((((unsigned short)lenhi) << 8) + lenlo);
 932                         index += i;
 933                         break;
 934                 case 0x90:
 935                         index += 1;
 936                         lenlo = vpd[index];
 937                         index += 1;
 938                         lenhi = vpd[index];
 939                         index += 1;
 940                         Length = ((((unsigned short)lenhi) << 8) + lenlo);
 941                         if (Length > len - index)
 942                                 Length = len - index;
 943                         while (Length > 0) {
 944                         /* Look for Serial Number */
 945                         if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
 946                                 index += 2;
 947                                 i = vpd[index];
 948                                 index += 1;
 949                                 j = 0;
 950                                 Length -= (3+i);
 951                                 while(i--) {
 952                                         phba->SerialNumber[j++] = vpd[index++];
 953                                         if (j == 31)
 954                                                 break;
 955                                 }
 956                                 phba->SerialNumber[j] = 0;
 957                                 continue;
 958                         }
 959                         else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
 960                                 phba->vpd_flag |= VPD_MODEL_DESC;
 961                                 index += 2;
 962                                 i = vpd[index];
 963                                 index += 1;
 964                                 j = 0;
 965                                 Length -= (3+i);
 966                                 while(i--) {
 967                                         phba->ModelDesc[j++] = vpd[index++];
 968                                         if (j == 255)
 969                                                 break;
 970                                 }
 971                                 phba->ModelDesc[j] = 0;
 972                                 continue;
 973                         }
 974                         else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
 975                                 phba->vpd_flag |= VPD_MODEL_NAME;
 976                                 index += 2;
 977                                 i = vpd[index];
 978                                 index += 1;
 979                                 j = 0;
 980                                 Length -= (3+i);
 981                                 while(i--) {
 982                                         phba->ModelName[j++] = vpd[index++];
 983                                         if (j == 79)
 984                                                 break;
 985                                 }
 986                                 phba->ModelName[j] = 0;
 987                                 continue;
 988                         }
 989                         else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
 990                                 phba->vpd_flag |= VPD_PROGRAM_TYPE;
 991                                 index += 2;
 992                                 i = vpd[index];
 993                                 index += 1;
 994                                 j = 0;
 995                                 Length -= (3+i);
 996                                 while(i--) {
 997                                         phba->ProgramType[j++] = vpd[index++];
 998                                         if (j == 255)
 999                                                 break;
1000                                 }
1001                                 phba->ProgramType[j] = 0;
1002                                 continue;
1003                         }
1004                         else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
1005                                 phba->vpd_flag |= VPD_PORT;
1006                                 index += 2;
1007                                 i = vpd[index];
1008                                 index += 1;
1009                                 j = 0;
1010                                 Length -= (3+i);
1011                                 while(i--) {
1012                                 phba->Port[j++] = vpd[index++];
1013                                 if (j == 19)
1014                                         break;
1015                                 }
1016                                 phba->Port[j] = 0;
1017                                 continue;
1018                         }
1019                         else {
1020                                 index += 2;
1021                                 i = vpd[index];
1022                                 index += 1;
1023                                 index += i;
1024                                 Length -= (3 + i);
1025                         }
1026                 }
1027                 finished = 0;
1028                 break;
1029                 case 0x78:
1030                         finished = 1;
1031                         break;
1032                 default:
1033                         index ++;
1034                         break;
1035                 }
1036         }
1037
1038         return(1);
1039 }
1040
1041 static void
1042 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
1043 {
1044         lpfc_vpd_t *vp;
1045         uint16_t dev_id = phba->pcidev->device;
1046         int max_speed;
1047         struct {
1048                 char * name;
1049                 int    max_speed;
1050                 char * bus;
1051         } m = {"<Unknown>", 0, ""};
1052
1053         if (mdp && mdp[0] != '\0'
1054                 && descp && descp[0] != '\0')
1055                 return;
1056
1057         if (phba->lmt & LMT_10Gb)
1058                 max_speed = 10;
1059         else if (phba->lmt & LMT_8Gb)
1060                 max_speed = 8;
1061         else if (phba->lmt & LMT_4Gb)
1062                 max_speed = 4;
1063         else if (phba->lmt & LMT_2Gb)
1064                 max_speed = 2;
1065         else
1066                 max_speed = 1;
1067
1068         vp = &phba->vpd;
1069
1070         switch (dev_id) {
1071         case PCI_DEVICE_ID_FIREFLY:
1072                 m = (typeof(m)){"LP6000", max_speed, "PCI"};
1073                 break;
1074         case PCI_DEVICE_ID_SUPERFLY:
1075                 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
1076                         m = (typeof(m)){"LP7000", max_speed,  "PCI"};
1077                 else
1078                         m = (typeof(m)){"LP7000E", max_speed, "PCI"};
1079                 break;
1080         case PCI_DEVICE_ID_DRAGONFLY:
1081                 m = (typeof(m)){"LP8000", max_speed, "PCI"};
1082                 break;
1083         case PCI_DEVICE_ID_CENTAUR:
1084                 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
1085                         m = (typeof(m)){"LP9002", max_speed, "PCI"};
1086                 else
1087                         m = (typeof(m)){"LP9000", max_speed, "PCI"};
1088                 break;
1089         case PCI_DEVICE_ID_RFLY:
1090                 m = (typeof(m)){"LP952", max_speed, "PCI"};
1091                 break;
1092         case PCI_DEVICE_ID_PEGASUS:
1093                 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
1094                 break;
1095         case PCI_DEVICE_ID_THOR:
1096                 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
1097                 break;
1098         case PCI_DEVICE_ID_VIPER:
1099                 m = (typeof(m)){"LPX1000", max_speed,  "PCI-X"};
1100                 break;
1101         case PCI_DEVICE_ID_PFLY:
1102                 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
1103                 break;
1104         case PCI_DEVICE_ID_TFLY:
1105                 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
1106                 break;
1107         case PCI_DEVICE_ID_HELIOS:
1108                 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
1109                 break;
1110         case PCI_DEVICE_ID_HELIOS_SCSP:
1111                 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
1112                 break;
1113         case PCI_DEVICE_ID_HELIOS_DCSP:
1114                 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
1115                 break;
1116         case PCI_DEVICE_ID_NEPTUNE:
1117                 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
1118                 break;
1119         case PCI_DEVICE_ID_NEPTUNE_SCSP:
1120                 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
1121                 break;
1122         case PCI_DEVICE_ID_NEPTUNE_DCSP:
1123                 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
1124                 break;
1125         case PCI_DEVICE_ID_BMID:
1126                 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
1127                 break;
1128         case PCI_DEVICE_ID_BSMB:
1129                 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
1130                 break;
1131         case PCI_DEVICE_ID_ZEPHYR:
1132                 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1133                 break;
1134         case PCI_DEVICE_ID_ZEPHYR_SCSP:
1135                 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1136                 break;
1137         case PCI_DEVICE_ID_ZEPHYR_DCSP:
1138                 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
1139                 break;
1140         case PCI_DEVICE_ID_ZMID:
1141                 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
1142                 break;
1143         case PCI_DEVICE_ID_ZSMB:
1144                 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
1145                 break;
1146         case PCI_DEVICE_ID_LP101:
1147                 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
1148                 break;
1149         case PCI_DEVICE_ID_LP10000S:
1150                 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1151                 break;
1152         case PCI_DEVICE_ID_LP11000S:
1153                 m = (typeof(m)){"LP11000-S", max_speed,
1154                         "PCI-X2"};
1155                 break;
1156         case PCI_DEVICE_ID_LPE11000S:
1157                 m = (typeof(m)){"LPe11000-S", max_speed,
1158                         "PCIe"};
1159                 break;
1160         case PCI_DEVICE_ID_SAT:
1161                 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1162                 break;
1163         case PCI_DEVICE_ID_SAT_MID:
1164                 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1165                 break;
1166         case PCI_DEVICE_ID_SAT_SMB:
1167                 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1168                 break;
1169         case PCI_DEVICE_ID_SAT_DCSP:
1170                 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1171                 break;
1172         case PCI_DEVICE_ID_SAT_SCSP:
1173                 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1174                 break;
1175         case PCI_DEVICE_ID_SAT_S:
1176                 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1177                 break;
1178         default:
1179                 m = (typeof(m)){ NULL };
1180                 break;
1181         }
1182
1183         if (mdp && mdp[0] == '\0')
1184                 snprintf(mdp, 79,"%s", m.name);
1185         if (descp && descp[0] == '\0')
1186                 snprintf(descp, 255,
1187                          "Emulex %s %dGb %s Fibre Channel Adapter",
1188                          m.name, m.max_speed, m.bus);
1189 }
1190
1191 /**************************************************/
1192 /*   lpfc_post_buffer                             */
1193 /*                                                */
1194 /*   This routine will post count buffers to the  */
1195 /*   ring with the QUE_RING_BUF_CN command. This  */
1196 /*   allows 3 buffers / command to be posted.     */
1197 /*   Returns the number of buffers NOT posted.    */
1198 /**************************************************/
1199 int
1200 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
1201                  int type)
1202 {
1203         IOCB_t *icmd;
1204         struct lpfc_iocbq *iocb;
1205         struct lpfc_dmabuf *mp1, *mp2;
1206
1207         cnt += pring->missbufcnt;
1208
1209         /* While there are buffers to post */
1210         while (cnt > 0) {
1211                 /* Allocate buffer for  command iocb */
1212                 iocb = lpfc_sli_get_iocbq(phba);
1213                 if (iocb == NULL) {
1214                         pring->missbufcnt = cnt;
1215                         return cnt;
1216                 }
1217                 icmd = &iocb->iocb;
1218
1219                 /* 2 buffers can be posted per command */
1220                 /* Allocate buffer to post */
1221                 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1222                 if (mp1)
1223                     mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
1224                 if (!mp1 || !mp1->virt) {
1225                         kfree(mp1);
1226                         lpfc_sli_release_iocbq(phba, iocb);
1227                         pring->missbufcnt = cnt;
1228                         return cnt;
1229                 }
1230
1231                 INIT_LIST_HEAD(&mp1->list);
1232                 /* Allocate buffer to post */
1233                 if (cnt > 1) {
1234                         mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1235                         if (mp2)
1236                                 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1237                                                             &mp2->phys);
1238                         if (!mp2 || !mp2->virt) {
1239                                 kfree(mp2);
1240                                 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1241                                 kfree(mp1);
1242                                 lpfc_sli_release_iocbq(phba, iocb);
1243                                 pring->missbufcnt = cnt;
1244                                 return cnt;
1245                         }
1246
1247                         INIT_LIST_HEAD(&mp2->list);
1248                 } else {
1249                         mp2 = NULL;
1250                 }
1251
1252                 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1253                 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1254                 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1255                 icmd->ulpBdeCount = 1;
1256                 cnt--;
1257                 if (mp2) {
1258                         icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1259                         icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1260                         icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1261                         cnt--;
1262                         icmd->ulpBdeCount = 2;
1263                 }
1264
1265                 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1266                 icmd->ulpLe = 1;
1267
1268                 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1269                         lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1270                         kfree(mp1);
1271                         cnt++;
1272                         if (mp2) {
1273                                 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1274                                 kfree(mp2);
1275                                 cnt++;
1276                         }
1277                         lpfc_sli_release_iocbq(phba, iocb);
1278                         pring->missbufcnt = cnt;
1279                         return cnt;
1280                 }
1281                 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1282                 if (mp2)
1283                         lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1284         }
1285         pring->missbufcnt = 0;
1286         return 0;
1287 }
1288
1289 /************************************************************************/
1290 /*                                                                      */
1291 /*   lpfc_post_rcv_buf                                                  */
1292 /*   This routine post initial rcv buffers to the configured rings      */
1293 /*                                                                      */
1294 /************************************************************************/
1295 static int
1296 lpfc_post_rcv_buf(struct lpfc_hba *phba)
1297 {
1298         struct lpfc_sli *psli = &phba->sli;
1299
1300         /* Ring 0, ELS / CT buffers */
1301         lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1302         /* Ring 2 - FCP no buffers needed */
1303
1304         return 0;
1305 }
1306
1307 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1308
1309 /************************************************************************/
1310 /*                                                                      */
1311 /*   lpfc_sha_init                                                      */
1312 /*                                                                      */
1313 /************************************************************************/
1314 static void
1315 lpfc_sha_init(uint32_t * HashResultPointer)
1316 {
1317         HashResultPointer[0] = 0x67452301;
1318         HashResultPointer[1] = 0xEFCDAB89;
1319         HashResultPointer[2] = 0x98BADCFE;
1320         HashResultPointer[3] = 0x10325476;
1321         HashResultPointer[4] = 0xC3D2E1F0;
1322 }
1323
1324 /************************************************************************/
1325 /*                                                                      */
1326 /*   lpfc_sha_iterate                                                   */
1327 /*                                                                      */
1328 /************************************************************************/
1329 static void
1330 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1331 {
1332         int t;
1333         uint32_t TEMP;
1334         uint32_t A, B, C, D, E;
1335         t = 16;
1336         do {
1337                 HashWorkingPointer[t] =
1338                     S(1,
1339                       HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1340                                                                      8] ^
1341                       HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1342         } while (++t <= 79);
1343         t = 0;
1344         A = HashResultPointer[0];
1345         B = HashResultPointer[1];
1346         C = HashResultPointer[2];
1347         D = HashResultPointer[3];
1348         E = HashResultPointer[4];
1349
1350         do {
1351                 if (t < 20) {
1352                         TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1353                 } else if (t < 40) {
1354                         TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1355                 } else if (t < 60) {
1356                         TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1357                 } else {
1358                         TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1359                 }
1360                 TEMP += S(5, A) + E + HashWorkingPointer[t];
1361                 E = D;
1362                 D = C;
1363                 C = S(30, B);
1364                 B = A;
1365                 A = TEMP;
1366         } while (++t <= 79);
1367
1368         HashResultPointer[0] += A;
1369         HashResultPointer[1] += B;
1370         HashResultPointer[2] += C;
1371         HashResultPointer[3] += D;
1372         HashResultPointer[4] += E;
1373
1374 }
1375
1376 /************************************************************************/
1377 /*                                                                      */
1378 /*   lpfc_challenge_key                                                 */
1379 /*                                                                      */
1380 /************************************************************************/
1381 static void
1382 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1383 {
1384         *HashWorking = (*RandomChallenge ^ *HashWorking);
1385 }
1386
1387 /************************************************************************/
1388 /*                                                                      */
1389 /*   lpfc_hba_init                                                      */
1390 /*                                                                      */
1391 /************************************************************************/
1392 void
1393 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1394 {
1395         int t;
1396         uint32_t *HashWorking;
1397         uint32_t *pwwnn = (uint32_t *) phba->wwnn;
1398
1399         HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
1400         if (!HashWorking)
1401                 return;
1402
1403         HashWorking[0] = HashWorking[78] = *pwwnn++;
1404         HashWorking[1] = HashWorking[79] = *pwwnn;
1405
1406         for (t = 0; t < 7; t++)
1407                 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1408
1409         lpfc_sha_init(hbainit);
1410         lpfc_sha_iterate(hbainit, HashWorking);
1411         kfree(HashWorking);
1412 }
1413
1414 void
1415 lpfc_cleanup(struct lpfc_vport *vport)
1416 {
1417         struct lpfc_hba   *phba = vport->phba;
1418         struct lpfc_nodelist *ndlp, *next_ndlp;
1419         int i = 0;
1420
1421         if (phba->link_state > LPFC_LINK_DOWN)
1422                 lpfc_port_link_failure(vport);
1423
1424         list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1425                 if (!NLP_CHK_NODE_ACT(ndlp)) {
1426                         ndlp = lpfc_enable_node(vport, ndlp,
1427                                                 NLP_STE_UNUSED_NODE);
1428                         if (!ndlp)
1429                                 continue;
1430                         spin_lock_irq(&phba->ndlp_lock);
1431                         NLP_SET_FREE_REQ(ndlp);
1432                         spin_unlock_irq(&phba->ndlp_lock);
1433                         /* Trigger the release of the ndlp memory */
1434                         lpfc_nlp_put(ndlp);
1435                         continue;
1436                 }
1437                 spin_lock_irq(&phba->ndlp_lock);
1438                 if (NLP_CHK_FREE_REQ(ndlp)) {
1439                         /* The ndlp should not be in memory free mode already */
1440                         spin_unlock_irq(&phba->ndlp_lock);
1441                         continue;
1442                 } else
1443                         /* Indicate request for freeing ndlp memory */
1444                         NLP_SET_FREE_REQ(ndlp);
1445                 spin_unlock_irq(&phba->ndlp_lock);
1446
1447                 if (ndlp->nlp_type & NLP_FABRIC)
1448                         lpfc_disc_state_machine(vport, ndlp, NULL,
1449                                         NLP_EVT_DEVICE_RECOVERY);
1450
1451                 lpfc_disc_state_machine(vport, ndlp, NULL,
1452                                              NLP_EVT_DEVICE_RM);
1453         }
1454
1455         /* At this point, ALL ndlp's should be gone
1456          * because of the previous NLP_EVT_DEVICE_RM.
1457          * Lets wait for this to happen, if needed.
1458          */
1459         while (!list_empty(&vport->fc_nodes)) {
1460
1461                 if (i++ > 3000) {
1462                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1463                                 "0233 Nodelist not empty\n");
1464                         list_for_each_entry_safe(ndlp, next_ndlp,
1465                                                 &vport->fc_nodes, nlp_listp) {
1466                                 lpfc_printf_vlog(ndlp->vport, KERN_ERR,
1467                                                 LOG_NODE,
1468                                                 "0282: did:x%x ndlp:x%p "
1469                                                 "usgmap:x%x refcnt:%d\n",
1470                                                 ndlp->nlp_DID, (void *)ndlp,
1471                                                 ndlp->nlp_usg_map,
1472                                                 atomic_read(
1473                                                         &ndlp->kref.refcount));
1474                         }
1475                         break;
1476                 }
1477
1478                 /* Wait for any activity on ndlps to settle */
1479                 msleep(10);
1480         }
1481         return;
1482 }
1483
1484 static void
1485 lpfc_establish_link_tmo(unsigned long ptr)
1486 {
1487         struct lpfc_hba   *phba = (struct lpfc_hba *) ptr;
1488         struct lpfc_vport **vports;
1489         unsigned long iflag;
1490         int i;
1491
1492         /* Re-establishing Link, timer expired */
1493         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1494                         "1300 Re-establishing Link, timer expired "
1495                         "Data: x%x x%x\n",
1496                         phba->pport->fc_flag, phba->pport->port_state);
1497         vports = lpfc_create_vport_work_array(phba);
1498         if (vports != NULL)
1499                 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1500                         struct Scsi_Host *shost;
1501                         shost = lpfc_shost_from_vport(vports[i]);
1502                         spin_lock_irqsave(shost->host_lock, iflag);
1503                         vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
1504                         spin_unlock_irqrestore(shost->host_lock, iflag);
1505                 }
1506         lpfc_destroy_vport_work_array(phba, vports);
1507 }
1508
1509 void
1510 lpfc_stop_vport_timers(struct lpfc_vport *vport)
1511 {
1512         del_timer_sync(&vport->els_tmofunc);
1513         del_timer_sync(&vport->fc_fdmitmo);
1514         lpfc_can_disctmo(vport);
1515         return;
1516 }
1517
1518 static void
1519 lpfc_stop_phba_timers(struct lpfc_hba *phba)
1520 {
1521         del_timer_sync(&phba->fcp_poll_timer);
1522         del_timer_sync(&phba->fc_estabtmo);
1523         lpfc_stop_vport_timers(phba->pport);
1524         del_timer_sync(&phba->sli.mbox_tmo);
1525         del_timer_sync(&phba->fabric_block_timer);
1526         phba->hb_outstanding = 0;
1527         del_timer_sync(&phba->hb_tmofunc);
1528         return;
1529 }
1530
1531 static void
1532 lpfc_block_mgmt_io(struct lpfc_hba * phba)
1533 {
1534         unsigned long iflag;
1535
1536         spin_lock_irqsave(&phba->hbalock, iflag);
1537         phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1538         spin_unlock_irqrestore(&phba->hbalock, iflag);
1539 }
1540
1541 int
1542 lpfc_online(struct lpfc_hba *phba)
1543 {
1544         struct lpfc_vport *vport = phba->pport;
1545         struct lpfc_vport **vports;
1546         int i;
1547
1548         if (!phba)
1549                 return 0;
1550
1551         if (!(vport->fc_flag & FC_OFFLINE_MODE))
1552                 return 0;
1553
1554         lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1555                         "0458 Bring Adapter online\n");
1556
1557         lpfc_block_mgmt_io(phba);
1558
1559         if (!lpfc_sli_queue_setup(phba)) {
1560                 lpfc_unblock_mgmt_io(phba);
1561                 return 1;
1562         }
1563
1564         if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1565                 lpfc_unblock_mgmt_io(phba);
1566                 return 1;
1567         }
1568
1569         vports = lpfc_create_vport_work_array(phba);
1570         if (vports != NULL)
1571                 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1572                         struct Scsi_Host *shost;
1573                         shost = lpfc_shost_from_vport(vports[i]);
1574                         spin_lock_irq(shost->host_lock);
1575                         vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1576                         if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1577                                 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1578                         spin_unlock_irq(shost->host_lock);
1579                 }
1580                 lpfc_destroy_vport_work_array(phba, vports);
1581
1582         lpfc_unblock_mgmt_io(phba);
1583         return 0;
1584 }
1585
1586 void
1587 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1588 {
1589         unsigned long iflag;
1590
1591         spin_lock_irqsave(&phba->hbalock, iflag);
1592         phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1593         spin_unlock_irqrestore(&phba->hbalock, iflag);
1594 }
1595
1596 void
1597 lpfc_offline_prep(struct lpfc_hba * phba)
1598 {
1599         struct lpfc_vport *vport = phba->pport;
1600         struct lpfc_nodelist  *ndlp, *next_ndlp;
1601         struct lpfc_vport **vports;
1602         int i;
1603
1604         if (vport->fc_flag & FC_OFFLINE_MODE)
1605                 return;
1606
1607         lpfc_block_mgmt_io(phba);
1608
1609         lpfc_linkdown(phba);
1610
1611         /* Issue an unreg_login to all nodes on all vports */
1612         vports = lpfc_create_vport_work_array(phba);
1613         if (vports != NULL) {
1614                 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1615                         struct Scsi_Host *shost;
1616
1617                         if (vports[i]->load_flag & FC_UNLOADING)
1618                                 continue;
1619                         shost = lpfc_shost_from_vport(vports[i]);
1620                         list_for_each_entry_safe(ndlp, next_ndlp,
1621                                                  &vports[i]->fc_nodes,
1622                                                  nlp_listp) {
1623                                 if (!NLP_CHK_NODE_ACT(ndlp))
1624                                         continue;
1625                                 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
1626                                         continue;
1627                                 if (ndlp->nlp_type & NLP_FABRIC) {
1628                                         lpfc_disc_state_machine(vports[i], ndlp,
1629                                                 NULL, NLP_EVT_DEVICE_RECOVERY);
1630                                         lpfc_disc_state_machine(vports[i], ndlp,
1631                                                 NULL, NLP_EVT_DEVICE_RM);
1632                                 }
1633                                 spin_lock_irq(shost->host_lock);
1634                                 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
1635                                 spin_unlock_irq(shost->host_lock);
1636                                 lpfc_unreg_rpi(vports[i], ndlp);
1637                         }
1638                 }
1639         }
1640         lpfc_destroy_vport_work_array(phba, vports);
1641
1642         lpfc_sli_flush_mbox_queue(phba);
1643 }
1644
1645 void
1646 lpfc_offline(struct lpfc_hba *phba)
1647 {
1648         struct Scsi_Host  *shost;
1649         struct lpfc_vport **vports;
1650         int i;
1651
1652         if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1653                 return;
1654
1655         /* stop all timers associated with this hba */
1656         lpfc_stop_phba_timers(phba);
1657         vports = lpfc_create_vport_work_array(phba);
1658         if (vports != NULL)
1659                 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
1660                         lpfc_stop_vport_timers(vports[i]);
1661         lpfc_destroy_vport_work_array(phba, vports);
1662         lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1663                         "0460 Bring Adapter offline\n");
1664         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1665            now.  */
1666         lpfc_sli_hba_down(phba);
1667         spin_lock_irq(&phba->hbalock);
1668         phba->work_ha = 0;
1669         spin_unlock_irq(&phba->hbalock);
1670         vports = lpfc_create_vport_work_array(phba);
1671         if (vports != NULL)
1672                 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1673                         shost = lpfc_shost_from_vport(vports[i]);
1674                         spin_lock_irq(shost->host_lock);
1675                         vports[i]->work_port_events = 0;
1676                         vports[i]->fc_flag |= FC_OFFLINE_MODE;
1677                         spin_unlock_irq(shost->host_lock);
1678                 }
1679         lpfc_destroy_vport_work_array(phba, vports);
1680 }
1681
1682 /******************************************************************************
1683 * Function name: lpfc_scsi_free
1684 *
1685 * Description: Called from lpfc_pci_remove_one free internal driver resources
1686 *
1687 ******************************************************************************/
1688 static int
1689 lpfc_scsi_free(struct lpfc_hba *phba)
1690 {
1691         struct lpfc_scsi_buf *sb, *sb_next;
1692         struct lpfc_iocbq *io, *io_next;
1693
1694         spin_lock_irq(&phba->hbalock);
1695         /* Release all the lpfc_scsi_bufs maintained by this host. */
1696         list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1697                 list_del(&sb->list);
1698                 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1699                               sb->dma_handle);
1700                 kfree(sb);
1701                 phba->total_scsi_bufs--;
1702         }
1703
1704         /* Release all the lpfc_iocbq entries maintained by this host. */
1705         list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1706                 list_del(&io->list);
1707                 kfree(io);
1708                 phba->total_iocbq_bufs--;
1709         }
1710
1711         spin_unlock_irq(&phba->hbalock);
1712
1713         return 0;
1714 }
1715
1716 struct lpfc_vport *
1717 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
1718 {
1719         struct lpfc_vport *vport;
1720         struct Scsi_Host  *shost;
1721         int error = 0;
1722
1723         if (dev != &phba->pcidev->dev)
1724                 shost = scsi_host_alloc(&lpfc_vport_template,
1725                                         sizeof(struct lpfc_vport));
1726         else
1727                 shost = scsi_host_alloc(&lpfc_template,
1728                                         sizeof(struct lpfc_vport));
1729         if (!shost)
1730                 goto out;
1731
1732         vport = (struct lpfc_vport *) shost->hostdata;
1733         vport->phba = phba;
1734
1735         vport->load_flag |= FC_LOADING;
1736         vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1737
1738         lpfc_get_vport_cfgparam(vport);
1739         shost->unique_id = instance;
1740         shost->max_id = LPFC_MAX_TARGET;
1741         shost->max_lun = vport->cfg_max_luns;
1742         shost->this_id = -1;
1743         shost->max_cmd_len = 16;
1744         /*
1745          * Set initial can_queue value since 0 is no longer supported and
1746          * scsi_add_host will fail. This will be adjusted later based on the
1747          * max xri value determined in hba setup.
1748          */
1749         shost->can_queue = phba->cfg_hba_queue_depth - 10;
1750         if (dev != &phba->pcidev->dev) {
1751                 shost->transportt = lpfc_vport_transport_template;
1752                 vport->port_type = LPFC_NPIV_PORT;
1753         } else {
1754                 shost->transportt = lpfc_transport_template;
1755                 vport->port_type = LPFC_PHYSICAL_PORT;
1756         }
1757
1758         /* Initialize all internally managed lists. */
1759         INIT_LIST_HEAD(&vport->fc_nodes);
1760         spin_lock_init(&vport->work_port_lock);
1761
1762         init_timer(&vport->fc_disctmo);
1763         vport->fc_disctmo.function = lpfc_disc_timeout;
1764         vport->fc_disctmo.data = (unsigned long)vport;
1765
1766         init_timer(&vport->fc_fdmitmo);
1767         vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
1768         vport->fc_fdmitmo.data = (unsigned long)vport;
1769
1770         init_timer(&vport->els_tmofunc);
1771         vport->els_tmofunc.function = lpfc_els_timeout;
1772         vport->els_tmofunc.data = (unsigned long)vport;
1773
1774         error = scsi_add_host(shost, dev);
1775         if (error)
1776                 goto out_put_shost;
1777
1778         spin_lock_irq(&phba->hbalock);
1779         list_add_tail(&vport->listentry, &phba->port_list);
1780         spin_unlock_irq(&phba->hbalock);
1781         return vport;
1782
1783 out_put_shost:
1784         scsi_host_put(shost);
1785 out:
1786         return NULL;
1787 }
1788
1789 void
1790 destroy_port(struct lpfc_vport *vport)
1791 {
1792         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1793         struct lpfc_hba  *phba = vport->phba;
1794
1795         kfree(vport->vname);
1796
1797         lpfc_debugfs_terminate(vport);
1798         fc_remove_host(shost);
1799         scsi_remove_host(shost);
1800
1801         spin_lock_irq(&phba->hbalock);
1802         list_del_init(&vport->listentry);
1803         spin_unlock_irq(&phba->hbalock);
1804
1805         lpfc_cleanup(vport);
1806         return;
1807 }
1808
1809 int
1810 lpfc_get_instance(void)
1811 {
1812         int instance = 0;
1813
1814         /* Assign an unused number */
1815         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1816                 return -1;
1817         if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1818                 return -1;
1819         return instance;
1820 }
1821
1822 /*
1823  * Note: there is no scan_start function as adapter initialization
1824  * will have asynchronously kicked off the link initialization.
1825  */
1826
1827 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1828 {
1829         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1830         struct lpfc_hba   *phba = vport->phba;
1831         int stat = 0;
1832
1833         spin_lock_irq(shost->host_lock);
1834
1835         if (vport->load_flag & FC_UNLOADING) {
1836                 stat = 1;
1837                 goto finished;
1838         }
1839         if (time >= 30 * HZ) {
1840                 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1841                                 "0461 Scanning longer than 30 "
1842                                 "seconds.  Continuing initialization\n");
1843                 stat = 1;
1844                 goto finished;
1845         }
1846         if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1847                 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1848                                 "0465 Link down longer than 15 "
1849                                 "seconds.  Continuing initialization\n");
1850                 stat = 1;
1851                 goto finished;
1852         }
1853
1854         if (vport->port_state != LPFC_VPORT_READY)
1855                 goto finished;
1856         if (vport->num_disc_nodes || vport->fc_prli_sent)
1857                 goto finished;
1858         if (vport->fc_map_cnt == 0 && time < 2 * HZ)
1859                 goto finished;
1860         if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
1861                 goto finished;
1862
1863         stat = 1;
1864
1865 finished:
1866         spin_unlock_irq(shost->host_lock);
1867         return stat;
1868 }
1869
1870 void lpfc_host_attrib_init(struct Scsi_Host *shost)
1871 {
1872         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1873         struct lpfc_hba   *phba = vport->phba;
1874         /*
1875          * Set fixed host attributes.  Must done after lpfc_sli_hba_setup().
1876          */
1877
1878         fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1879         fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
1880         fc_host_supported_classes(shost) = FC_COS_CLASS3;
1881
1882         memset(fc_host_supported_fc4s(shost), 0,
1883                sizeof(fc_host_supported_fc4s(shost)));
1884         fc_host_supported_fc4s(shost)[2] = 1;
1885         fc_host_supported_fc4s(shost)[7] = 1;
1886
1887         lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1888                                  sizeof fc_host_symbolic_name(shost));
1889
1890         fc_host_supported_speeds(shost) = 0;
1891         if (phba->lmt & LMT_10Gb)
1892                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1893         if (phba->lmt & LMT_8Gb)
1894                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
1895         if (phba->lmt & LMT_4Gb)
1896                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1897         if (phba->lmt & LMT_2Gb)
1898                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1899         if (phba->lmt & LMT_1Gb)
1900                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1901
1902         fc_host_maxframe_size(shost) =
1903                 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1904                 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1905
1906         /* This value is also unchanging */
1907         memset(fc_host_active_fc4s(shost), 0,
1908                sizeof(fc_host_active_fc4s(shost)));
1909         fc_host_active_fc4s(shost)[2] = 1;
1910         fc_host_active_fc4s(shost)[7] = 1;
1911
1912         fc_host_max_npiv_vports(shost) = phba->max_vpi;
1913         spin_lock_irq(shost->host_lock);
1914         vport->load_flag &= ~FC_LOADING;
1915         spin_unlock_irq(shost->host_lock);
1916 }
1917
1918 static int __devinit
1919 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1920 {
1921         struct lpfc_vport *vport = NULL;
1922         struct lpfc_hba   *phba;
1923         struct lpfc_sli   *psli;
1924         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1925         struct Scsi_Host  *shost = NULL;
1926         void *ptr;
1927         unsigned long bar0map_len, bar2map_len;
1928         int error = -ENODEV, retval;
1929         int  i, hbq_count;
1930         uint16_t iotag;
1931         int bars = pci_select_bars(pdev, IORESOURCE_MEM);
1932
1933         if (pci_enable_device_mem(pdev))
1934                 goto out;
1935         if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
1936                 goto out_disable_device;
1937
1938         phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1939         if (!phba)
1940                 goto out_release_regions;
1941
1942         spin_lock_init(&phba->hbalock);
1943
1944         /* Initialize ndlp management spinlock */
1945         spin_lock_init(&phba->ndlp_lock);
1946
1947         phba->pcidev = pdev;
1948
1949         /* Assign an unused board number */
1950         if ((phba->brd_no = lpfc_get_instance()) < 0)
1951                 goto out_free_phba;
1952
1953         INIT_LIST_HEAD(&phba->port_list);
1954         /*
1955          * Get all the module params for configuring this host and then
1956          * establish the host.
1957          */
1958         lpfc_get_cfgparam(phba);
1959         phba->max_vpi = LPFC_MAX_VPI;
1960
1961         /* Initialize timers used by driver */
1962         init_timer(&phba->fc_estabtmo);
1963         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1964         phba->fc_estabtmo.data = (unsigned long)phba;
1965
1966         init_timer(&phba->hb_tmofunc);
1967         phba->hb_tmofunc.function = lpfc_hb_timeout;
1968         phba->hb_tmofunc.data = (unsigned long)phba;
1969
1970         psli = &phba->sli;
1971         init_timer(&psli->mbox_tmo);
1972         psli->mbox_tmo.function = lpfc_mbox_timeout;
1973         psli->mbox_tmo.data = (unsigned long) phba;
1974         init_timer(&phba->fcp_poll_timer);
1975         phba->fcp_poll_timer.function = lpfc_poll_timeout;
1976         phba->fcp_poll_timer.data = (unsigned long) phba;
1977         init_timer(&phba->fabric_block_timer);
1978         phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1979         phba->fabric_block_timer.data = (unsigned long) phba;
1980
1981         pci_set_master(pdev);
1982         pci_try_set_mwi(pdev);
1983
1984         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1985                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1986                         goto out_idr_remove;
1987
1988         /*
1989          * Get the bus address of Bar0 and Bar2 and the number of bytes
1990          * required by each mapping.
1991          */
1992         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1993         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1994
1995         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1996         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1997
1998         /* Map HBA SLIM to a kernel virtual address. */
1999         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
2000         if (!phba->slim_memmap_p) {
2001                 error = -ENODEV;
2002                 dev_printk(KERN_ERR, &pdev->dev,
2003                            "ioremap failed for SLIM memory.\n");
2004                 goto out_idr_remove;
2005         }
2006
2007         /* Map HBA Control Registers to a kernel virtual address. */
2008         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
2009         if (!phba->ctrl_regs_memmap_p) {
2010                 error = -ENODEV;
2011                 dev_printk(KERN_ERR, &pdev->dev,
2012                            "ioremap failed for HBA control registers.\n");
2013                 goto out_iounmap_slim;
2014         }
2015
2016         /* Allocate memory for SLI-2 structures */
2017         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
2018                                           &phba->slim2p_mapping, GFP_KERNEL);
2019         if (!phba->slim2p)
2020                 goto out_iounmap;
2021
2022         memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
2023
2024         phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
2025                                                  lpfc_sli_hbq_size(),
2026                                                  &phba->hbqslimp.phys,
2027                                                  GFP_KERNEL);
2028         if (!phba->hbqslimp.virt)
2029                 goto out_free_slim;
2030
2031         hbq_count = lpfc_sli_hbq_count();
2032         ptr = phba->hbqslimp.virt;
2033         for (i = 0; i < hbq_count; ++i) {
2034                 phba->hbqs[i].hbq_virt = ptr;
2035                 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
2036                 ptr += (lpfc_hbq_defs[i]->entry_count *
2037                         sizeof(struct lpfc_hbq_entry));
2038         }
2039         phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
2040         phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer  = lpfc_els_hbq_free;
2041
2042         memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
2043
2044         /* Initialize the SLI Layer to run with lpfc HBAs. */
2045         lpfc_sli_setup(phba);
2046         lpfc_sli_queue_setup(phba);
2047
2048         retval = lpfc_mem_alloc(phba);
2049         if (retval) {
2050                 error = retval;
2051                 goto out_free_hbqslimp;
2052         }
2053
2054         /* Initialize and populate the iocb list per host.  */
2055         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
2056         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
2057                 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
2058                 if (iocbq_entry == NULL) {
2059                         printk(KERN_ERR "%s: only allocated %d iocbs of "
2060                                 "expected %d count. Unloading driver.\n",
2061                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
2062                         error = -ENOMEM;
2063                         goto out_free_iocbq;
2064                 }
2065
2066                 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
2067                 if (iotag == 0) {
2068                         kfree (iocbq_entry);
2069                         printk(KERN_ERR "%s: failed to allocate IOTAG. "
2070                                "Unloading driver.\n",
2071                                 __FUNCTION__);
2072                         error = -ENOMEM;
2073                         goto out_free_iocbq;
2074                 }
2075
2076                 spin_lock_irq(&phba->hbalock);
2077                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
2078                 phba->total_iocbq_bufs++;
2079                 spin_unlock_irq(&phba->hbalock);
2080         }
2081
2082         /* Initialize HBA structure */
2083         phba->fc_edtov = FF_DEF_EDTOV;
2084         phba->fc_ratov = FF_DEF_RATOV;
2085         phba->fc_altov = FF_DEF_ALTOV;
2086         phba->fc_arbtov = FF_DEF_ARBTOV;
2087
2088         INIT_LIST_HEAD(&phba->work_list);
2089         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
2090         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
2091
2092         /* Startup the kernel thread for this host adapter. */
2093         phba->worker_thread = kthread_run(lpfc_do_work, phba,
2094                                        "lpfc_worker_%d", phba->brd_no);
2095         if (IS_ERR(phba->worker_thread)) {
2096                 error = PTR_ERR(phba->worker_thread);
2097                 goto out_free_iocbq;
2098         }
2099
2100         /* Initialize the list of scsi buffers used by driver for scsi IO. */
2101         spin_lock_init(&phba->scsi_buf_list_lock);
2102         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
2103
2104         /* Initialize list of fabric iocbs */
2105         INIT_LIST_HEAD(&phba->fabric_iocb_list);
2106
2107         /* Initialize list to save ELS buffers */
2108         INIT_LIST_HEAD(&phba->elsbuf);
2109
2110         vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
2111         if (!vport)
2112                 goto out_kthread_stop;
2113
2114         shost = lpfc_shost_from_vport(vport);
2115         phba->pport = vport;
2116         lpfc_debugfs_initialize(vport);
2117
2118         pci_set_drvdata(pdev, shost);
2119
2120         if (phba->cfg_use_msi) {
2121                 retval = pci_enable_msi(phba->pcidev);
2122                 if (!retval)
2123                         phba->using_msi = 1;
2124                 else
2125                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2126                                         "0452 Enable MSI failed, continuing "
2127                                         "with IRQ\n");
2128         }
2129
2130         retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
2131                             LPFC_DRIVER_NAME, phba);
2132         if (retval) {
2133                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2134                         "0451 Enable interrupt handler failed\n");
2135                 error = retval;
2136                 goto out_disable_msi;
2137         }
2138
2139         phba->MBslimaddr = phba->slim_memmap_p;
2140         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
2141         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
2142         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
2143         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
2144
2145         if (lpfc_alloc_sysfs_attr(vport)) {
2146                 error = -ENOMEM;
2147                 goto out_free_irq;
2148         }
2149
2150         if (lpfc_sli_hba_setup(phba)) {
2151                 error = -ENODEV;
2152                 goto out_remove_device;
2153         }
2154
2155         /*
2156          * hba setup may have changed the hba_queue_depth so we need to adjust
2157          * the value of can_queue.
2158          */
2159         shost->can_queue = phba->cfg_hba_queue_depth - 10;
2160
2161         lpfc_host_attrib_init(shost);
2162
2163         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
2164                 spin_lock_irq(shost->host_lock);
2165                 lpfc_poll_start_timer(phba);
2166                 spin_unlock_irq(shost->host_lock);
2167         }
2168
2169         scsi_scan_host(shost);
2170
2171         return 0;
2172
2173 out_remove_device:
2174         lpfc_free_sysfs_attr(vport);
2175         spin_lock_irq(shost->host_lock);
2176         vport->load_flag |= FC_UNLOADING;
2177         spin_unlock_irq(shost->host_lock);
2178 out_free_irq:
2179         lpfc_stop_phba_timers(phba);
2180         phba->pport->work_port_events = 0;
2181         free_irq(phba->pcidev->irq, phba);
2182 out_disable_msi:
2183         if (phba->using_msi)
2184                 pci_disable_msi(phba->pcidev);
2185         destroy_port(vport);
2186 out_kthread_stop:
2187         kthread_stop(phba->worker_thread);
2188 out_free_iocbq:
2189         list_for_each_entry_safe(iocbq_entry, iocbq_next,
2190                                                 &phba->lpfc_iocb_list, list) {
2191                 kfree(iocbq_entry);
2192                 phba->total_iocbq_bufs--;
2193         }
2194         lpfc_mem_free(phba);
2195 out_free_hbqslimp:
2196         dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2197                           phba->hbqslimp.phys);
2198 out_free_slim:
2199         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
2200                                                         phba->slim2p_mapping);
2201 out_iounmap:
2202         iounmap(phba->ctrl_regs_memmap_p);
2203 out_iounmap_slim:
2204         iounmap(phba->slim_memmap_p);
2205 out_idr_remove:
2206         idr_remove(&lpfc_hba_index, phba->brd_no);
2207 out_free_phba:
2208         kfree(phba);
2209 out_release_regions:
2210         pci_release_selected_regions(pdev, bars);
2211 out_disable_device:
2212         pci_disable_device(pdev);
2213 out:
2214         pci_set_drvdata(pdev, NULL);
2215         if (shost)
2216                 scsi_host_put(shost);
2217         return error;
2218 }
2219
2220 static void __devexit
2221 lpfc_pci_remove_one(struct pci_dev *pdev)
2222 {
2223         struct Scsi_Host  *shost = pci_get_drvdata(pdev);
2224         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2225         struct lpfc_hba   *phba = vport->phba;
2226         int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2227
2228         spin_lock_irq(&phba->hbalock);
2229         vport->load_flag |= FC_UNLOADING;
2230         spin_unlock_irq(&phba->hbalock);
2231
2232         kfree(vport->vname);
2233         lpfc_free_sysfs_attr(vport);
2234
2235         kthread_stop(phba->worker_thread);
2236
2237         fc_remove_host(shost);
2238         scsi_remove_host(shost);
2239         lpfc_cleanup(vport);
2240
2241         /*
2242          * Bring down the SLI Layer. This step disable all interrupts,
2243          * clears the rings, discards all mailbox commands, and resets
2244          * the HBA.
2245          */
2246         lpfc_sli_hba_down(phba);
2247         lpfc_sli_brdrestart(phba);
2248
2249         lpfc_stop_phba_timers(phba);
2250         spin_lock_irq(&phba->hbalock);
2251         list_del_init(&vport->listentry);
2252         spin_unlock_irq(&phba->hbalock);
2253
2254         lpfc_debugfs_terminate(vport);
2255
2256         /* Release the irq reservation */
2257         free_irq(phba->pcidev->irq, phba);
2258         if (phba->using_msi)
2259                 pci_disable_msi(phba->pcidev);
2260
2261         pci_set_drvdata(pdev, NULL);
2262         scsi_host_put(shost);
2263
2264         /*
2265          * Call scsi_free before mem_free since scsi bufs are released to their
2266          * corresponding pools here.
2267          */
2268         lpfc_scsi_free(phba);
2269         lpfc_mem_free(phba);
2270
2271         dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2272                           phba->hbqslimp.phys);
2273
2274         /* Free resources associated with SLI2 interface */
2275         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2276                           phba->slim2p, phba->slim2p_mapping);
2277
2278         /* unmap adapter SLIM and Control Registers */
2279         iounmap(phba->ctrl_regs_memmap_p);
2280         iounmap(phba->slim_memmap_p);
2281
2282         idr_remove(&lpfc_hba_index, phba->brd_no);
2283
2284         kfree(phba);
2285
2286         pci_release_selected_regions(pdev, bars);
2287         pci_disable_device(pdev);
2288 }
2289
2290 /**
2291  * lpfc_io_error_detected - called when PCI error is detected
2292  * @pdev: Pointer to PCI device
2293  * @state: The current pci conneection state
2294  *
2295  * This function is called after a PCI bus error affecting
2296  * this device has been detected.
2297  */
2298 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2299                                 pci_channel_state_t state)
2300 {
2301         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2302         struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2303         struct lpfc_sli *psli = &phba->sli;
2304         struct lpfc_sli_ring  *pring;
2305
2306         if (state == pci_channel_io_perm_failure)
2307                 return PCI_ERS_RESULT_DISCONNECT;
2308
2309         pci_disable_device(pdev);
2310         /*
2311          * There may be I/Os dropped by the firmware.
2312          * Error iocb (I/O) on txcmplq and let the SCSI layer
2313          * retry it after re-establishing link.
2314          */
2315         pring = &psli->ring[psli->fcp_ring];
2316         lpfc_sli_abort_iocb_ring(phba, pring);
2317
2318         /* Release the irq reservation */
2319         free_irq(phba->pcidev->irq, phba);
2320         if (phba->using_msi)
2321                 pci_disable_msi(phba->pcidev);
2322
2323         /* Request a slot reset. */
2324         return PCI_ERS_RESULT_NEED_RESET;
2325 }
2326
2327 /**
2328  * lpfc_io_slot_reset - called after the pci bus has been reset.
2329  * @pdev: Pointer to PCI device
2330  *
2331  * Restart the card from scratch, as if from a cold-boot.
2332  */
2333 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2334 {
2335         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2336         struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2337         struct lpfc_sli *psli = &phba->sli;
2338
2339         dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2340         if (pci_enable_device_mem(pdev)) {
2341                 printk(KERN_ERR "lpfc: Cannot re-enable "
2342                         "PCI device after reset.\n");
2343                 return PCI_ERS_RESULT_DISCONNECT;
2344         }
2345
2346         pci_set_master(pdev);
2347
2348         /* Re-establishing Link */
2349         spin_lock_irq(shost->host_lock);
2350         phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2351         spin_unlock_irq(shost->host_lock);
2352
2353         spin_lock_irq(&phba->hbalock);
2354         psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2355         spin_unlock_irq(&phba->hbalock);
2356
2357
2358         /* Take device offline; this will perform cleanup */
2359         lpfc_offline(phba);
2360         lpfc_sli_brdrestart(phba);
2361
2362         return PCI_ERS_RESULT_RECOVERED;
2363 }
2364
2365 /**
2366  * lpfc_io_resume - called when traffic can start flowing again.
2367  * @pdev: Pointer to PCI device
2368  *
2369  * This callback is called when the error recovery driver tells us that
2370  * its OK to resume normal operation.
2371  */
2372 static void lpfc_io_resume(struct pci_dev *pdev)
2373 {
2374         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2375         struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2376
2377         if (lpfc_online(phba) == 0) {
2378                 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2379         }
2380 }
2381
2382 static struct pci_device_id lpfc_id_table[] = {
2383         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2384                 PCI_ANY_ID, PCI_ANY_ID, },
2385         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2386                 PCI_ANY_ID, PCI_ANY_ID, },
2387         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2388                 PCI_ANY_ID, PCI_ANY_ID, },
2389         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2390                 PCI_ANY_ID, PCI_ANY_ID, },
2391         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2392                 PCI_ANY_ID, PCI_ANY_ID, },
2393         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2394                 PCI_ANY_ID, PCI_ANY_ID, },
2395         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2396                 PCI_ANY_ID, PCI_ANY_ID, },
2397         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2398                 PCI_ANY_ID, PCI_ANY_ID, },
2399         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2400                 PCI_ANY_ID, PCI_ANY_ID, },
2401         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2402                 PCI_ANY_ID, PCI_ANY_ID, },
2403         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2404                 PCI_ANY_ID, PCI_ANY_ID, },
2405         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2406                 PCI_ANY_ID, PCI_ANY_ID, },
2407         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2408                 PCI_ANY_ID, PCI_ANY_ID, },
2409         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2410                 PCI_ANY_ID, PCI_ANY_ID, },
2411         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2412                 PCI_ANY_ID, PCI_ANY_ID, },
2413         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2414                 PCI_ANY_ID, PCI_ANY_ID, },
2415         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2416                 PCI_ANY_ID, PCI_ANY_ID, },
2417         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2418                 PCI_ANY_ID, PCI_ANY_ID, },
2419         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2420                 PCI_ANY_ID, PCI_ANY_ID, },
2421         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2422                 PCI_ANY_ID, PCI_ANY_ID, },
2423         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2424                 PCI_ANY_ID, PCI_ANY_ID, },
2425         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2426                 PCI_ANY_ID, PCI_ANY_ID, },
2427         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2428                 PCI_ANY_ID, PCI_ANY_ID, },
2429         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2430                 PCI_ANY_ID, PCI_ANY_ID, },
2431         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2432                 PCI_ANY_ID, PCI_ANY_ID, },
2433         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2434                 PCI_ANY_ID, PCI_ANY_ID, },
2435         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2436                 PCI_ANY_ID, PCI_ANY_ID, },
2437         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2438                 PCI_ANY_ID, PCI_ANY_ID, },
2439         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2440                 PCI_ANY_ID, PCI_ANY_ID, },
2441         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2442                 PCI_ANY_ID, PCI_ANY_ID, },
2443         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2444                 PCI_ANY_ID, PCI_ANY_ID, },
2445         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2446                 PCI_ANY_ID, PCI_ANY_ID, },
2447         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2448                 PCI_ANY_ID, PCI_ANY_ID, },
2449         { 0 }
2450 };
2451
2452 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2453
2454 static struct pci_error_handlers lpfc_err_handler = {
2455         .error_detected = lpfc_io_error_detected,
2456         .slot_reset = lpfc_io_slot_reset,
2457         .resume = lpfc_io_resume,
2458 };
2459
2460 static struct pci_driver lpfc_driver = {
2461         .name           = LPFC_DRIVER_NAME,
2462         .id_table       = lpfc_id_table,
2463         .probe          = lpfc_pci_probe_one,
2464         .remove         = __devexit_p(lpfc_pci_remove_one),
2465         .err_handler    = &lpfc_err_handler,
2466 };
2467
2468 static int __init
2469 lpfc_init(void)
2470 {
2471         int error = 0;
2472
2473         printk(LPFC_MODULE_DESC "\n");
2474         printk(LPFC_COPYRIGHT "\n");
2475
2476         if (lpfc_enable_npiv) {
2477                 lpfc_transport_functions.vport_create = lpfc_vport_create;
2478                 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
2479         }
2480         lpfc_transport_template =
2481                                 fc_attach_transport(&lpfc_transport_functions);
2482         if (lpfc_transport_template == NULL)
2483                 return -ENOMEM;
2484         if (lpfc_enable_npiv) {
2485                 lpfc_vport_transport_template =
2486                         fc_attach_transport(&lpfc_vport_transport_functions);
2487                 if (lpfc_vport_transport_template == NULL) {
2488                         fc_release_transport(lpfc_transport_template);
2489                         return -ENOMEM;
2490                 }
2491         }
2492         error = pci_register_driver(&lpfc_driver);
2493         if (error) {
2494                 fc_release_transport(lpfc_transport_template);
2495                 fc_release_transport(lpfc_vport_transport_template);
2496         }
2497
2498         return error;
2499 }
2500
2501 static void __exit
2502 lpfc_exit(void)
2503 {
2504         pci_unregister_driver(&lpfc_driver);
2505         fc_release_transport(lpfc_transport_template);
2506         if (lpfc_enable_npiv)
2507                 fc_release_transport(lpfc_vport_transport_template);
2508 }
2509
2510 module_init(lpfc_init);
2511 module_exit(lpfc_exit);
2512 MODULE_LICENSE("GPL");
2513 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2514 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2515 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);