drivers/scsi/lpfc/lpfc_init.c

   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Fibre Channel Host Bus Adapters.                                *
   4  * Copyright (C) 2004-2007 Emulex.  All rights reserved.           *
   5  * EMULEX and SLI are trademarks of Emulex.                        *
   6  * www.emulex.com                                                  *
   7  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
   8  *                                                                 *
   9  * This program is free software; you can redistribute it and/or   *
  10  * modify it under the terms of version 2 of the GNU General       *
  11  * Public License as published by the Free Software Foundation.    *
  12  * This program is distributed in the hope that it will be useful. *
  13  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  14  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  15  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  16  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  17  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  18  * more details, a copy of which can be found in the file COPYING  *
  19  * included with this package.                                     *
  20  *******************************************************************/
  21
  22 #include <linux/blkdev.h>
  23 #include <linux/delay.h>
  24 #include <linux/dma-mapping.h>
  25 #include <linux/idr.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/kthread.h>
  28 #include <linux/pci.h>
  29 #include <linux/spinlock.h>
  30 #include <linux/ctype.h>
  31
  32 #include <scsi/scsi.h>
  33 #include <scsi/scsi_device.h>
  34 #include <scsi/scsi_host.h>
  35 #include <scsi/scsi_transport_fc.h>
  36
  37 #include "lpfc_hw.h"
  38 #include "lpfc_sli.h"
  39 #include "lpfc_disc.h"
  40 #include "lpfc_scsi.h"
  41 #include "lpfc.h"
  42 #include "lpfc_logmsg.h"
  43 #include "lpfc_crtn.h"
  44 #include "lpfc_vport.h"
  45 #include "lpfc_version.h"
  46
  47 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
  48 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
  49 static int lpfc_post_rcv_buf(struct lpfc_hba *);
  50
  51 static struct scsi_transport_template *lpfc_transport_template = NULL;
  52 static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
  53 static DEFINE_IDR(lpfc_hba_index);
  54
  55 /************************************************************************/
  56 /*                                                                      */
  57 /*    lpfc_config_port_prep                                             */
  58 /*    This routine will do LPFC initialization prior to the             */
  59 /*    CONFIG_PORT mailbox command. This will be initialized             */
  60 /*    as a SLI layer callback routine.                                  */
  61 /*    This routine returns 0 on success or -ERESTART if it wants        */
  62 /*    the SLI layer to reset the HBA and try again. Any                 */
  63 /*    other return value indicates an error.                            */
  64 /*                                                                      */
  65 /************************************************************************/
  66 int
  67 lpfc_config_port_prep(struct lpfc_hba *phba)
  68 {
  69         lpfc_vpd_t *vp = &phba->vpd;
  70         int i = 0, rc;
  71         LPFC_MBOXQ_t *pmb;
  72         MAILBOX_t *mb;
  73         char *lpfc_vpd_data = NULL;
  74         uint16_t offset = 0;
  75         static char licensed[56] =
  76                     "key unlock for use with gnu public licensed code only\0";
  77         static int init_key = 1;
  78
  79         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
  80         if (!pmb) {
  81                 phba->link_state = LPFC_HBA_ERROR;
  82                 return -ENOMEM;
  83         }
  84
  85         mb = &pmb->mb;
  86         phba->link_state = LPFC_INIT_MBX_CMDS;
  87
  88         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
  89                 if (init_key) {
  90                         uint32_t *ptext = (uint32_t *) licensed;
  91
  92                         for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
  93                                 *ptext = cpu_to_be32(*ptext);
  94                         init_key = 0;
  95                 }
  96
  97                 lpfc_read_nv(phba, pmb);
  98                 memset((char*)mb->un.varRDnvp.rsvd3, 0,
  99                         sizeof (mb->un.varRDnvp.rsvd3));
 100                 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
 101                          sizeof (licensed));
 102
 103                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 104
 105                 if (rc != MBX_SUCCESS) {
 106                         lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
 107                                         "0324 Config Port initialization "
 108                                         "error, mbxCmd x%x READ_NVPARM, "
 109                                         "mbxStatus x%x\n",
 110                                         mb->mbxCommand, mb->mbxStatus);
 111                         mempool_free(pmb, phba->mbox_mem_pool);
 112                         return -ERESTART;
 113                 }
 114                 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
 115                        sizeof(phba->wwnn));
 116                 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
 117                        sizeof(phba->wwpn));
 118         }
 119
 120         phba->sli3_options = 0x0;
 121
 122         /* Setup and issue mailbox READ REV command */
 123         lpfc_read_rev(phba, pmb);
 124         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 125         if (rc != MBX_SUCCESS) {
 126                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 127                                 "0439 Adapter failed to init, mbxCmd x%x "
 128                                 "READ_REV, mbxStatus x%x\n",
 129                                 mb->mbxCommand, mb->mbxStatus);
 130                 mempool_free( pmb, phba->mbox_mem_pool);
 131                 return -ERESTART;
 132         }
 133
 134
 135         /*
 136          * The value of rr must be 1 since the driver set the cv field to 1.
 137          * This setting requires the FW to set all revision fields.
 138          */
 139         if (mb->un.varRdRev.rr == 0) {
 140                 vp->rev.rBit = 0;
 141                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 142                                 "0440 Adapter failed to init, READ_REV has "
 143                                 "missing revision information.\n");
 144                 mempool_free(pmb, phba->mbox_mem_pool);
 145                 return -ERESTART;
 146         }
 147
 148         if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp)
 149                 return -EINVAL;
 150
 151         /* Save information as VPD data */
 152         vp->rev.rBit = 1;
 153         memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
 154         vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
 155         memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
 156         vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
 157         memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
 158         vp->rev.biuRev = mb->un.varRdRev.biuRev;
 159         vp->rev.smRev = mb->un.varRdRev.smRev;
 160         vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
 161         vp->rev.endecRev = mb->un.varRdRev.endecRev;
 162         vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
 163         vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
 164         vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
 165         vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
 166         vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
 167         vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
 168
 169         /* If the sli feature level is less then 9, we must
 170          * tear down all RPIs and VPIs on link down if NPIV
 171          * is enabled.
 172          */
 173         if (vp->rev.feaLevelHigh < 9)
 174                 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
 175
 176         if (lpfc_is_LC_HBA(phba->pcidev->device))
 177                 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
 178                                                 sizeof (phba->RandomData));
 179
 180         /* Get adapter VPD information */
 181         pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
 182         if (!pmb->context2)
 183                 goto out_free_mbox;
 184         lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
 185         if (!lpfc_vpd_data)
 186                 goto out_free_context2;
 187
 188         do {
 189                 lpfc_dump_mem(phba, pmb, offset);
 190                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 191
 192                 if (rc != MBX_SUCCESS) {
 193                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 194                                         "0441 VPD not present on adapter, "
 195                                         "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
 196                                         mb->mbxCommand, mb->mbxStatus);
 197                         mb->un.varDmp.word_cnt = 0;
 198                 }
 199                 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
 200                         mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
 201                 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
 202                                       mb->un.varDmp.word_cnt);
 203                 offset += mb->un.varDmp.word_cnt;
 204         } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
 205         lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
 206
 207         kfree(lpfc_vpd_data);
 208 out_free_context2:
 209         kfree(pmb->context2);
 210 out_free_mbox:
 211         mempool_free(pmb, phba->mbox_mem_pool);
 212         return 0;
 213 }
 214
 215 /* Completion handler for config async event mailbox command. */
 216 static void
 217 lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
 218 {
 219         if (pmboxq->mb.mbxStatus == MBX_SUCCESS)
 220                 phba->temp_sensor_support = 1;
 221         else
 222                 phba->temp_sensor_support = 0;
 223         mempool_free(pmboxq, phba->mbox_mem_pool);
 224         return;
 225 }
 226
 227 /************************************************************************/
 228 /*                                                                      */
 229 /*    lpfc_config_port_post                                             */
 230 /*    This routine will do LPFC initialization after the                */
 231 /*    CONFIG_PORT mailbox command. This will be initialized             */
 232 /*    as a SLI layer callback routine.                                  */
 233 /*    This routine returns 0 on success. Any other return value         */
 234 /*    indicates an error.                                               */
 235 /*                                                                      */
 236 /************************************************************************/
 237 int
 238 lpfc_config_port_post(struct lpfc_hba *phba)
 239 {
 240         struct lpfc_vport *vport = phba->pport;
 241         LPFC_MBOXQ_t *pmb;
 242         MAILBOX_t *mb;
 243         struct lpfc_dmabuf *mp;
 244         struct lpfc_sli *psli = &phba->sli;
 245         uint32_t status, timeout;
 246         int i, j;
 247         int rc;
 248
 249         spin_lock_irq(&phba->hbalock);
 250         /*
 251          * If the Config port completed correctly the HBA is not
 252          * over heated any more.
 253          */
 254         if (phba->over_temp_state == HBA_OVER_TEMP)
 255                 phba->over_temp_state = HBA_NORMAL_TEMP;
 256         spin_unlock_irq(&phba->hbalock);
 257
 258         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 259         if (!pmb) {
 260                 phba->link_state = LPFC_HBA_ERROR;
 261                 return -ENOMEM;
 262         }
 263         mb = &pmb->mb;
 264
 265         /* Get login parameters for NID.  */
 266         lpfc_read_sparam(phba, pmb, 0);
 267         pmb->vport = vport;
 268         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 269                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 270                                 "0448 Adapter failed init, mbxCmd x%x "
 271                                 "READ_SPARM mbxStatus x%x\n",
 272                                 mb->mbxCommand, mb->mbxStatus);
 273                 phba->link_state = LPFC_HBA_ERROR;
 274                 mp = (struct lpfc_dmabuf *) pmb->context1;
 275                 mempool_free( pmb, phba->mbox_mem_pool);
 276                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 277                 kfree(mp);
 278                 return -EIO;
 279         }
 280
 281         mp = (struct lpfc_dmabuf *) pmb->context1;
 282
 283         memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
 284         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 285         kfree(mp);
 286         pmb->context1 = NULL;
 287
 288         if (phba->cfg_soft_wwnn)
 289                 u64_to_wwn(phba->cfg_soft_wwnn,
 290                            vport->fc_sparam.nodeName.u.wwn);
 291         if (phba->cfg_soft_wwpn)
 292                 u64_to_wwn(phba->cfg_soft_wwpn,
 293                            vport->fc_sparam.portName.u.wwn);
 294         memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
 295                sizeof (struct lpfc_name));
 296         memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
 297                sizeof (struct lpfc_name));
 298         /* If no serial number in VPD data, use low 6 bytes of WWNN */
 299         /* This should be consolidated into parse_vpd ? - mr */
 300         if (phba->SerialNumber[0] == 0) {
 301                 uint8_t *outptr;
 302
 303                 outptr = &vport->fc_nodename.u.s.IEEE[0];
 304                 for (i = 0; i < 12; i++) {
 305                         status = *outptr++;
 306                         j = ((status & 0xf0) >> 4);
 307                         if (j <= 9)
 308                                 phba->SerialNumber[i] =
 309                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 310                         else
 311                                 phba->SerialNumber[i] =
 312                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 313                         i++;
 314                         j = (status & 0xf);
 315                         if (j <= 9)
 316                                 phba->SerialNumber[i] =
 317                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 318                         else
 319                                 phba->SerialNumber[i] =
 320                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 321                 }
 322         }
 323
 324         lpfc_read_config(phba, pmb);
 325         pmb->vport = vport;
 326         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 327                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 328                                 "0453 Adapter failed to init, mbxCmd x%x "
 329                                 "READ_CONFIG, mbxStatus x%x\n",
 330                                 mb->mbxCommand, mb->mbxStatus);
 331                 phba->link_state = LPFC_HBA_ERROR;
 332                 mempool_free( pmb, phba->mbox_mem_pool);
 333                 return -EIO;
 334         }
 335
 336         /* Reset the DFT_HBA_Q_DEPTH to the max xri  */
 337         if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
 338                 phba->cfg_hba_queue_depth =
 339                         mb->un.varRdConfig.max_xri + 1;
 340
 341         phba->lmt = mb->un.varRdConfig.lmt;
 342
 343         /* Get the default values for Model Name and Description */
 344         lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
 345
 346         if ((phba->cfg_link_speed > LINK_SPEED_10G)
 347             || ((phba->cfg_link_speed == LINK_SPEED_1G)
 348                 && !(phba->lmt & LMT_1Gb))
 349             || ((phba->cfg_link_speed == LINK_SPEED_2G)
 350                 && !(phba->lmt & LMT_2Gb))
 351             || ((phba->cfg_link_speed == LINK_SPEED_4G)
 352                 && !(phba->lmt & LMT_4Gb))
 353             || ((phba->cfg_link_speed == LINK_SPEED_8G)
 354                 && !(phba->lmt & LMT_8Gb))
 355             || ((phba->cfg_link_speed == LINK_SPEED_10G)
 356                 && !(phba->lmt & LMT_10Gb))) {
 357                 /* Reset link speed to auto */
 358                 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT,
 359                         "1302 Invalid speed for this board: "
 360                         "Reset link speed to auto: x%x\n",
 361                         phba->cfg_link_speed);
 362                         phba->cfg_link_speed = LINK_SPEED_AUTO;
 363         }
 364
 365         phba->link_state = LPFC_LINK_DOWN;
 366
 367         /* Only process IOCBs on ELS ring till hba_state is READY */
 368         if (psli->ring[psli->extra_ring].cmdringaddr)
 369                 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
 370         if (psli->ring[psli->fcp_ring].cmdringaddr)
 371                 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
 372         if (psli->ring[psli->next_ring].cmdringaddr)
 373                 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
 374
 375         /* Post receive buffers for desired rings */
 376         if (phba->sli_rev != 3)
 377                 lpfc_post_rcv_buf(phba);
 378
 379         /* Enable appropriate host interrupts */
 380         spin_lock_irq(&phba->hbalock);
 381         status = readl(phba->HCregaddr);
 382         status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
 383         if (psli->num_rings > 0)
 384                 status |= HC_R0INT_ENA;
 385         if (psli->num_rings > 1)
 386                 status |= HC_R1INT_ENA;
 387         if (psli->num_rings > 2)
 388                 status |= HC_R2INT_ENA;
 389         if (psli->num_rings > 3)
 390                 status |= HC_R3INT_ENA;
 391
 392         if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
 393             (phba->cfg_poll & DISABLE_FCP_RING_INT))
 394                 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
 395
 396         writel(status, phba->HCregaddr);
 397         readl(phba->HCregaddr); /* flush */
 398         spin_unlock_irq(&phba->hbalock);
 399
 400         /*
 401          * Setup the ring 0 (els)  timeout handler
 402          */
 403         timeout = phba->fc_ratov << 1;
 404         mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
 405         mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 406         phba->hb_outstanding = 0;
 407         phba->last_completion_time = jiffies;
 408
 409         lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
 410         pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 411         pmb->vport = vport;
 412         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
 413         lpfc_set_loopback_flag(phba);
 414         if (rc != MBX_SUCCESS) {
 415                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 416                                 "0454 Adapter failed to init, mbxCmd x%x "
 417                                 "INIT_LINK, mbxStatus x%x\n",
 418                                 mb->mbxCommand, mb->mbxStatus);
 419
 420                 /* Clear all interrupt enable conditions */
 421                 writel(0, phba->HCregaddr);
 422                 readl(phba->HCregaddr); /* flush */
 423                 /* Clear all pending interrupts */
 424                 writel(0xffffffff, phba->HAregaddr);
 425                 readl(phba->HAregaddr); /* flush */
 426
 427                 phba->link_state = LPFC_HBA_ERROR;
 428                 if (rc != MBX_BUSY)
 429                         mempool_free(pmb, phba->mbox_mem_pool);
 430                 return -EIO;
 431         }
 432         /* MBOX buffer will be freed in mbox compl */
 433         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 434         lpfc_config_async(phba, pmb, LPFC_ELS_RING);
 435         pmb->mbox_cmpl = lpfc_config_async_cmpl;
 436         pmb->vport = phba->pport;
 437         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
 438
 439         if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
 440                 lpfc_printf_log(phba,
 441                                 KERN_ERR,
 442                                 LOG_INIT,
 443                                 "0456 Adapter failed to issue "
 444                                 "ASYNCEVT_ENABLE mbox status x%x \n.",
 445                                 rc);
 446                 mempool_free(pmb, phba->mbox_mem_pool);
 447         }
 448         return (0);
 449 }
 450
 451 /************************************************************************/
 452 /*                                                                      */
 453 /*    lpfc_hba_down_prep                                                */
 454 /*    This routine will do LPFC uninitialization before the             */
 455 /*    HBA is reset when bringing down the SLI Layer. This will be       */
 456 /*    initialized as a SLI layer callback routine.                      */
 457 /*    This routine returns 0 on success. Any other return value         */
 458 /*    indicates an error.                                               */
 459 /*                                                                      */
 460 /************************************************************************/
 461 int
 462 lpfc_hba_down_prep(struct lpfc_hba *phba)
 463 {
 464         /* Disable interrupts */
 465         writel(0, phba->HCregaddr);
 466         readl(phba->HCregaddr); /* flush */
 467
 468         lpfc_cleanup_discovery_resources(phba->pport);
 469         return 0;
 470 }
 471
 472 /************************************************************************/
 473 /*                                                                      */
 474 /*    lpfc_hba_down_post                                                */
 475 /*    This routine will do uninitialization after the HBA is reset      */
 476 /*    when bringing down the SLI Layer.                                 */
 477 /*    This routine returns 0 on success. Any other return value         */
 478 /*    indicates an error.                                               */
 479 /*                                                                      */
 480 /************************************************************************/
 481 int
 482 lpfc_hba_down_post(struct lpfc_hba *phba)
 483 {
 484         struct lpfc_sli *psli = &phba->sli;
 485         struct lpfc_sli_ring *pring;
 486         struct lpfc_dmabuf *mp, *next_mp;
 487         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 (ndlp->nlp_type & NLP_FABRIC)
1426                         lpfc_disc_state_machine(vport, ndlp, NULL,
1427                                         NLP_EVT_DEVICE_RECOVERY);
1428                 lpfc_disc_state_machine(vport, ndlp, NULL,
1429                                              NLP_EVT_DEVICE_RM);
1430         }
1431
1432         /* At this point, ALL ndlp's should be gone
1433          * because of the previous NLP_EVT_DEVICE_RM.
1434          * Lets wait for this to happen, if needed.
1435          */
1436         while (!list_empty(&vport->fc_nodes)) {
1437
1438                 if (i++ > 3000) {
1439                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1440                                 "0233 Nodelist not empty\n");
1441                         break;
1442                 }
1443
1444                 /* Wait for any activity on ndlps to settle */
1445                 msleep(10);
1446         }
1447         return;
1448 }
1449
1450 static void
1451 lpfc_establish_link_tmo(unsigned long ptr)
1452 {
1453         struct lpfc_hba   *phba = (struct lpfc_hba *) ptr;
1454         struct lpfc_vport **vports;
1455         unsigned long iflag;
1456         int i;
1457
1458         /* Re-establishing Link, timer expired */
1459         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1460                         "1300 Re-establishing Link, timer expired "
1461                         "Data: x%x x%x\n",
1462                         phba->pport->fc_flag, phba->pport->port_state);
1463         vports = lpfc_create_vport_work_array(phba);
1464         if (vports != NULL)
1465                 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1466                         struct Scsi_Host *shost;
1467                         shost = lpfc_shost_from_vport(vports[i]);
1468                         spin_lock_irqsave(shost->host_lock, iflag);
1469                         vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
1470                         spin_unlock_irqrestore(shost->host_lock, iflag);
1471                 }
1472         lpfc_destroy_vport_work_array(phba, vports);
1473 }
1474
1475 void
1476 lpfc_stop_vport_timers(struct lpfc_vport *vport)
1477 {
1478         del_timer_sync(&vport->els_tmofunc);
1479         del_timer_sync(&vport->fc_fdmitmo);
1480         lpfc_can_disctmo(vport);
1481         return;
1482 }
1483
1484 static void
1485 lpfc_stop_phba_timers(struct lpfc_hba *phba)
1486 {
1487         del_timer_sync(&phba->fcp_poll_timer);
1488         del_timer_sync(&phba->fc_estabtmo);
1489         lpfc_stop_vport_timers(phba->pport);
1490         del_timer_sync(&phba->sli.mbox_tmo);
1491         del_timer_sync(&phba->fabric_block_timer);
1492         phba->hb_outstanding = 0;
1493         del_timer_sync(&phba->hb_tmofunc);
1494         return;
1495 }
1496
1497 static void
1498 lpfc_block_mgmt_io(struct lpfc_hba * phba)
1499 {
1500         unsigned long iflag;
1501
1502         spin_lock_irqsave(&phba->hbalock, iflag);
1503         phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1504         spin_unlock_irqrestore(&phba->hbalock, iflag);
1505 }
1506
1507 int
1508 lpfc_online(struct lpfc_hba *phba)
1509 {
1510         struct lpfc_vport *vport = phba->pport;
1511         struct lpfc_vport **vports;
1512         int i;
1513
1514         if (!phba)
1515                 return 0;
1516
1517         if (!(vport->fc_flag & FC_OFFLINE_MODE))
1518                 return 0;
1519
1520         lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1521                         "0458 Bring Adapter online\n");
1522
1523         lpfc_block_mgmt_io(phba);
1524
1525         if (!lpfc_sli_queue_setup(phba)) {
1526                 lpfc_unblock_mgmt_io(phba);
1527                 return 1;
1528         }
1529
1530         if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1531                 lpfc_unblock_mgmt_io(phba);
1532                 return 1;
1533         }
1534
1535         vports = lpfc_create_vport_work_array(phba);
1536         if (vports != NULL)
1537                 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1538                         struct Scsi_Host *shost;
1539                         shost = lpfc_shost_from_vport(vports[i]);
1540                         spin_lock_irq(shost->host_lock);
1541                         vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1542                         if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1543                                 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1544                         spin_unlock_irq(shost->host_lock);
1545                 }
1546                 lpfc_destroy_vport_work_array(phba, vports);
1547
1548         lpfc_unblock_mgmt_io(phba);
1549         return 0;
1550 }
1551
1552 void
1553 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1554 {
1555         unsigned long iflag;
1556
1557         spin_lock_irqsave(&phba->hbalock, iflag);
1558         phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1559         spin_unlock_irqrestore(&phba->hbalock, iflag);
1560 }
1561
1562 void
1563 lpfc_offline_prep(struct lpfc_hba * phba)
1564 {
1565         struct lpfc_vport *vport = phba->pport;
1566         struct lpfc_nodelist  *ndlp, *next_ndlp;
1567         struct lpfc_vport **vports;
1568         int i;
1569
1570         if (vport->fc_flag & FC_OFFLINE_MODE)
1571                 return;
1572
1573         lpfc_block_mgmt_io(phba);
1574
1575         lpfc_linkdown(phba);
1576
1577         /* Issue an unreg_login to all nodes on all vports */
1578         vports = lpfc_create_vport_work_array(phba);
1579         if (vports != NULL) {
1580                 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1581                         struct Scsi_Host *shost;
1582
1583                         if (vports[i]->load_flag & FC_UNLOADING)
1584                                 continue;
1585                         shost = lpfc_shost_from_vport(vports[i]);
1586                         list_for_each_entry_safe(ndlp, next_ndlp,
1587                                                  &vports[i]->fc_nodes,
1588                                                  nlp_listp) {
1589                                 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
1590                                         continue;
1591                                 if (ndlp->nlp_type & NLP_FABRIC) {
1592                                         lpfc_disc_state_machine(vports[i], ndlp,
1593                                                 NULL, NLP_EVT_DEVICE_RECOVERY);
1594                                         lpfc_disc_state_machine(vports[i], ndlp,
1595                                                 NULL, NLP_EVT_DEVICE_RM);
1596                                 }
1597                                 spin_lock_irq(shost->host_lock);
1598                                 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
1599                                 spin_unlock_irq(shost->host_lock);
1600                                 lpfc_unreg_rpi(vports[i], ndlp);
1601                         }
1602                 }
1603         }
1604         lpfc_destroy_vport_work_array(phba, vports);
1605
1606         lpfc_sli_flush_mbox_queue(phba);
1607 }
1608
1609 void
1610 lpfc_offline(struct lpfc_hba *phba)
1611 {
1612         struct Scsi_Host  *shost;
1613         struct lpfc_vport **vports;
1614         int i;
1615
1616         if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1617                 return;
1618
1619         /* stop all timers associated with this hba */
1620         lpfc_stop_phba_timers(phba);
1621         vports = lpfc_create_vport_work_array(phba);
1622         if (vports != NULL)
1623                 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
1624                         lpfc_stop_vport_timers(vports[i]);
1625         lpfc_destroy_vport_work_array(phba, vports);
1626         lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1627                         "0460 Bring Adapter offline\n");
1628         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1629            now.  */
1630         lpfc_sli_hba_down(phba);
1631         spin_lock_irq(&phba->hbalock);
1632         phba->work_ha = 0;
1633         spin_unlock_irq(&phba->hbalock);
1634         vports = lpfc_create_vport_work_array(phba);
1635         if (vports != NULL)
1636                 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1637                         shost = lpfc_shost_from_vport(vports[i]);
1638                         spin_lock_irq(shost->host_lock);
1639                         vports[i]->work_port_events = 0;
1640                         vports[i]->fc_flag |= FC_OFFLINE_MODE;
1641                         spin_unlock_irq(shost->host_lock);
1642                 }
1643         lpfc_destroy_vport_work_array(phba, vports);
1644 }
1645
1646 /******************************************************************************
1647 * Function name: lpfc_scsi_free
1648 *
1649 * Description: Called from lpfc_pci_remove_one free internal driver resources
1650 *
1651 ******************************************************************************/
1652 static int
1653 lpfc_scsi_free(struct lpfc_hba *phba)
1654 {
1655         struct lpfc_scsi_buf *sb, *sb_next;
1656         struct lpfc_iocbq *io, *io_next;
1657
1658         spin_lock_irq(&phba->hbalock);
1659         /* Release all the lpfc_scsi_bufs maintained by this host. */
1660         list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1661                 list_del(&sb->list);
1662                 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1663                               sb->dma_handle);
1664                 kfree(sb);
1665                 phba->total_scsi_bufs--;
1666         }
1667
1668         /* Release all the lpfc_iocbq entries maintained by this host. */
1669         list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1670                 list_del(&io->list);
1671                 kfree(io);
1672                 phba->total_iocbq_bufs--;
1673         }
1674
1675         spin_unlock_irq(&phba->hbalock);
1676
1677         return 0;
1678 }
1679
1680 struct lpfc_vport *
1681 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
1682 {
1683         struct lpfc_vport *vport;
1684         struct Scsi_Host  *shost;
1685         int error = 0;
1686
1687         if (dev != &phba->pcidev->dev)
1688                 shost = scsi_host_alloc(&lpfc_vport_template,
1689                                         sizeof(struct lpfc_vport));
1690         else
1691                 shost = scsi_host_alloc(&lpfc_template,
1692                                         sizeof(struct lpfc_vport));
1693         if (!shost)
1694                 goto out;
1695
1696         vport = (struct lpfc_vport *) shost->hostdata;
1697         vport->phba = phba;
1698
1699         vport->load_flag |= FC_LOADING;
1700         vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1701
1702         lpfc_get_vport_cfgparam(vport);
1703         shost->unique_id = instance;
1704         shost->max_id = LPFC_MAX_TARGET;
1705         shost->max_lun = vport->cfg_max_luns;
1706         shost->this_id = -1;
1707         shost->max_cmd_len = 16;
1708         /*
1709          * Set initial can_queue value since 0 is no longer supported and
1710          * scsi_add_host will fail. This will be adjusted later based on the
1711          * max xri value determined in hba setup.
1712          */
1713         shost->can_queue = phba->cfg_hba_queue_depth - 10;
1714         if (dev != &phba->pcidev->dev) {
1715                 shost->transportt = lpfc_vport_transport_template;
1716                 vport->port_type = LPFC_NPIV_PORT;
1717         } else {
1718                 shost->transportt = lpfc_transport_template;
1719                 vport->port_type = LPFC_PHYSICAL_PORT;
1720         }
1721
1722         /* Initialize all internally managed lists. */
1723         INIT_LIST_HEAD(&vport->fc_nodes);
1724         spin_lock_init(&vport->work_port_lock);
1725
1726         init_timer(&vport->fc_disctmo);
1727         vport->fc_disctmo.function = lpfc_disc_timeout;
1728         vport->fc_disctmo.data = (unsigned long)vport;
1729
1730         init_timer(&vport->fc_fdmitmo);
1731         vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
1732         vport->fc_fdmitmo.data = (unsigned long)vport;
1733
1734         init_timer(&vport->els_tmofunc);
1735         vport->els_tmofunc.function = lpfc_els_timeout;
1736         vport->els_tmofunc.data = (unsigned long)vport;
1737
1738         error = scsi_add_host(shost, dev);
1739         if (error)
1740                 goto out_put_shost;
1741
1742         spin_lock_irq(&phba->hbalock);
1743         list_add_tail(&vport->listentry, &phba->port_list);
1744         spin_unlock_irq(&phba->hbalock);
1745         return vport;
1746
1747 out_put_shost:
1748         scsi_host_put(shost);
1749 out:
1750         return NULL;
1751 }
1752
1753 void
1754 destroy_port(struct lpfc_vport *vport)
1755 {
1756         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1757         struct lpfc_hba  *phba = vport->phba;
1758
1759         kfree(vport->vname);
1760
1761         lpfc_debugfs_terminate(vport);
1762         fc_remove_host(shost);
1763         scsi_remove_host(shost);
1764
1765         spin_lock_irq(&phba->hbalock);
1766         list_del_init(&vport->listentry);
1767         spin_unlock_irq(&phba->hbalock);
1768
1769         lpfc_cleanup(vport);
1770         return;
1771 }
1772
1773 int
1774 lpfc_get_instance(void)
1775 {
1776         int instance = 0;
1777
1778         /* Assign an unused number */
1779         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1780                 return -1;
1781         if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1782                 return -1;
1783         return instance;
1784 }
1785
1786 /*
1787  * Note: there is no scan_start function as adapter initialization
1788  * will have asynchronously kicked off the link initialization.
1789  */
1790
1791 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1792 {
1793         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1794         struct lpfc_hba   *phba = vport->phba;
1795         int stat = 0;
1796
1797         spin_lock_irq(shost->host_lock);
1798
1799         if (vport->load_flag & FC_UNLOADING) {
1800                 stat = 1;
1801                 goto finished;
1802         }
1803         if (time >= 30 * HZ) {
1804                 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1805                                 "0461 Scanning longer than 30 "
1806                                 "seconds.  Continuing initialization\n");
1807                 stat = 1;
1808                 goto finished;
1809         }
1810         if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1811                 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1812                                 "0465 Link down longer than 15 "
1813                                 "seconds.  Continuing initialization\n");
1814                 stat = 1;
1815                 goto finished;
1816         }
1817
1818         if (vport->port_state != LPFC_VPORT_READY)
1819                 goto finished;
1820         if (vport->num_disc_nodes || vport->fc_prli_sent)
1821                 goto finished;
1822         if (vport->fc_map_cnt == 0 && time < 2 * HZ)
1823                 goto finished;
1824         if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
1825                 goto finished;
1826
1827         stat = 1;
1828
1829 finished:
1830         spin_unlock_irq(shost->host_lock);
1831         return stat;
1832 }
1833
1834 void lpfc_host_attrib_init(struct Scsi_Host *shost)
1835 {
1836         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1837         struct lpfc_hba   *phba = vport->phba;
1838         /*
1839          * Set fixed host attributes.  Must done after lpfc_sli_hba_setup().
1840          */
1841
1842         fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1843         fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
1844         fc_host_supported_classes(shost) = FC_COS_CLASS3;
1845
1846         memset(fc_host_supported_fc4s(shost), 0,
1847                sizeof(fc_host_supported_fc4s(shost)));
1848         fc_host_supported_fc4s(shost)[2] = 1;
1849         fc_host_supported_fc4s(shost)[7] = 1;
1850
1851         lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1852                                  sizeof fc_host_symbolic_name(shost));
1853
1854         fc_host_supported_speeds(shost) = 0;
1855         if (phba->lmt & LMT_10Gb)
1856                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1857         if (phba->lmt & LMT_8Gb)
1858                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
1859         if (phba->lmt & LMT_4Gb)
1860                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1861         if (phba->lmt & LMT_2Gb)
1862                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1863         if (phba->lmt & LMT_1Gb)
1864                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1865
1866         fc_host_maxframe_size(shost) =
1867                 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1868                 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1869
1870         /* This value is also unchanging */
1871         memset(fc_host_active_fc4s(shost), 0,
1872                sizeof(fc_host_active_fc4s(shost)));
1873         fc_host_active_fc4s(shost)[2] = 1;
1874         fc_host_active_fc4s(shost)[7] = 1;
1875
1876         fc_host_max_npiv_vports(shost) = phba->max_vpi;
1877         spin_lock_irq(shost->host_lock);
1878         vport->load_flag &= ~FC_LOADING;
1879         spin_unlock_irq(shost->host_lock);
1880 }
1881
1882 static int __devinit
1883 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1884 {
1885         struct lpfc_vport *vport = NULL;
1886         struct lpfc_hba   *phba;
1887         struct lpfc_sli   *psli;
1888         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1889         struct Scsi_Host  *shost = NULL;
1890         void *ptr;
1891         unsigned long bar0map_len, bar2map_len;
1892         int error = -ENODEV, retval;
1893         int  i, hbq_count;
1894         uint16_t iotag;
1895         int bars = pci_select_bars(pdev, IORESOURCE_MEM);
1896
1897         if (pci_enable_device_bars(pdev, bars))
1898                 goto out;
1899         if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
1900                 goto out_disable_device;
1901
1902         phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1903         if (!phba)
1904                 goto out_release_regions;
1905
1906         spin_lock_init(&phba->hbalock);
1907
1908         phba->pcidev = pdev;
1909
1910         /* Assign an unused board number */
1911         if ((phba->brd_no = lpfc_get_instance()) < 0)
1912                 goto out_free_phba;
1913
1914         INIT_LIST_HEAD(&phba->port_list);
1915         /*
1916          * Get all the module params for configuring this host and then
1917          * establish the host.
1918          */
1919         lpfc_get_cfgparam(phba);
1920         phba->max_vpi = LPFC_MAX_VPI;
1921
1922         /* Initialize timers used by driver */
1923         init_timer(&phba->fc_estabtmo);
1924         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1925         phba->fc_estabtmo.data = (unsigned long)phba;
1926
1927         init_timer(&phba->hb_tmofunc);
1928         phba->hb_tmofunc.function = lpfc_hb_timeout;
1929         phba->hb_tmofunc.data = (unsigned long)phba;
1930
1931         psli = &phba->sli;
1932         init_timer(&psli->mbox_tmo);
1933         psli->mbox_tmo.function = lpfc_mbox_timeout;
1934         psli->mbox_tmo.data = (unsigned long) phba;
1935         init_timer(&phba->fcp_poll_timer);
1936         phba->fcp_poll_timer.function = lpfc_poll_timeout;
1937         phba->fcp_poll_timer.data = (unsigned long) phba;
1938         init_timer(&phba->fabric_block_timer);
1939         phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1940         phba->fabric_block_timer.data = (unsigned long) phba;
1941
1942         pci_set_master(pdev);
1943         pci_try_set_mwi(pdev);
1944
1945         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1946                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1947                         goto out_idr_remove;
1948
1949         /*
1950          * Get the bus address of Bar0 and Bar2 and the number of bytes
1951          * required by each mapping.
1952          */
1953         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1954         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1955
1956         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1957         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1958
1959         /* Map HBA SLIM to a kernel virtual address. */
1960         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1961         if (!phba->slim_memmap_p) {
1962                 error = -ENODEV;
1963                 dev_printk(KERN_ERR, &pdev->dev,
1964                            "ioremap failed for SLIM memory.\n");
1965                 goto out_idr_remove;
1966         }
1967
1968         /* Map HBA Control Registers to a kernel virtual address. */
1969         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1970         if (!phba->ctrl_regs_memmap_p) {
1971                 error = -ENODEV;
1972                 dev_printk(KERN_ERR, &pdev->dev,
1973                            "ioremap failed for HBA control registers.\n");
1974                 goto out_iounmap_slim;
1975         }
1976
1977         /* Allocate memory for SLI-2 structures */
1978         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1979                                           &phba->slim2p_mapping, GFP_KERNEL);
1980         if (!phba->slim2p)
1981                 goto out_iounmap;
1982
1983         memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1984
1985         phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
1986                                                  lpfc_sli_hbq_size(),
1987                                                  &phba->hbqslimp.phys,
1988                                                  GFP_KERNEL);
1989         if (!phba->hbqslimp.virt)
1990                 goto out_free_slim;
1991
1992         hbq_count = lpfc_sli_hbq_count();
1993         ptr = phba->hbqslimp.virt;
1994         for (i = 0; i < hbq_count; ++i) {
1995                 phba->hbqs[i].hbq_virt = ptr;
1996                 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
1997                 ptr += (lpfc_hbq_defs[i]->entry_count *
1998                         sizeof(struct lpfc_hbq_entry));
1999         }
2000         phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
2001         phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer  = lpfc_els_hbq_free;
2002
2003         memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
2004
2005         /* Initialize the SLI Layer to run with lpfc HBAs. */
2006         lpfc_sli_setup(phba);
2007         lpfc_sli_queue_setup(phba);
2008
2009         retval = lpfc_mem_alloc(phba);
2010         if (retval) {
2011                 error = retval;
2012                 goto out_free_hbqslimp;
2013         }
2014
2015         /* Initialize and populate the iocb list per host.  */
2016         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
2017         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
2018                 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
2019                 if (iocbq_entry == NULL) {
2020                         printk(KERN_ERR "%s: only allocated %d iocbs of "
2021                                 "expected %d count. Unloading driver.\n",
2022                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
2023                         error = -ENOMEM;
2024                         goto out_free_iocbq;
2025                 }
2026
2027                 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
2028                 if (iotag == 0) {
2029                         kfree (iocbq_entry);
2030                         printk(KERN_ERR "%s: failed to allocate IOTAG. "
2031                                "Unloading driver.\n",
2032                                 __FUNCTION__);
2033                         error = -ENOMEM;
2034                         goto out_free_iocbq;
2035                 }
2036
2037                 spin_lock_irq(&phba->hbalock);
2038                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
2039                 phba->total_iocbq_bufs++;
2040                 spin_unlock_irq(&phba->hbalock);
2041         }
2042
2043         /* Initialize HBA structure */
2044         phba->fc_edtov = FF_DEF_EDTOV;
2045         phba->fc_ratov = FF_DEF_RATOV;
2046         phba->fc_altov = FF_DEF_ALTOV;
2047         phba->fc_arbtov = FF_DEF_ARBTOV;
2048
2049         INIT_LIST_HEAD(&phba->work_list);
2050         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
2051         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
2052
2053         /* Startup the kernel thread for this host adapter. */
2054         phba->worker_thread = kthread_run(lpfc_do_work, phba,
2055                                        "lpfc_worker_%d", phba->brd_no);
2056         if (IS_ERR(phba->worker_thread)) {
2057                 error = PTR_ERR(phba->worker_thread);
2058                 goto out_free_iocbq;
2059         }
2060
2061         /* Initialize the list of scsi buffers used by driver for scsi IO. */
2062         spin_lock_init(&phba->scsi_buf_list_lock);
2063         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
2064
2065         /* Initialize list of fabric iocbs */
2066         INIT_LIST_HEAD(&phba->fabric_iocb_list);
2067
2068         /* Initialize list to save ELS buffers */
2069         INIT_LIST_HEAD(&phba->elsbuf);
2070
2071         vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
2072         if (!vport)
2073                 goto out_kthread_stop;
2074
2075         shost = lpfc_shost_from_vport(vport);
2076         phba->pport = vport;
2077         lpfc_debugfs_initialize(vport);
2078
2079         pci_set_drvdata(pdev, shost);
2080
2081         if (phba->cfg_use_msi) {
2082                 retval = pci_enable_msi(phba->pcidev);
2083                 if (!retval)
2084                         phba->using_msi = 1;
2085                 else
2086                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2087                                         "0452 Enable MSI failed, continuing "
2088                                         "with IRQ\n");
2089         }
2090
2091         retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
2092                             LPFC_DRIVER_NAME, phba);
2093         if (retval) {
2094                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2095                         "0451 Enable interrupt handler failed\n");
2096                 error = retval;
2097                 goto out_disable_msi;
2098         }
2099
2100         phba->MBslimaddr = phba->slim_memmap_p;
2101         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
2102         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
2103         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
2104         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
2105
2106         if (lpfc_alloc_sysfs_attr(vport)) {
2107                 error = -ENOMEM;
2108                 goto out_free_irq;
2109         }
2110
2111         if (lpfc_sli_hba_setup(phba)) {
2112                 error = -ENODEV;
2113                 goto out_remove_device;
2114         }
2115
2116         /*
2117          * hba setup may have changed the hba_queue_depth so we need to adjust
2118          * the value of can_queue.
2119          */
2120         shost->can_queue = phba->cfg_hba_queue_depth - 10;
2121
2122         lpfc_host_attrib_init(shost);
2123
2124         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
2125                 spin_lock_irq(shost->host_lock);
2126                 lpfc_poll_start_timer(phba);
2127                 spin_unlock_irq(shost->host_lock);
2128         }
2129
2130         scsi_scan_host(shost);
2131
2132         return 0;
2133
2134 out_remove_device:
2135         lpfc_free_sysfs_attr(vport);
2136         spin_lock_irq(shost->host_lock);
2137         vport->load_flag |= FC_UNLOADING;
2138         spin_unlock_irq(shost->host_lock);
2139 out_free_irq:
2140         lpfc_stop_phba_timers(phba);
2141         phba->pport->work_port_events = 0;
2142         free_irq(phba->pcidev->irq, phba);
2143 out_disable_msi:
2144         if (phba->using_msi)
2145                 pci_disable_msi(phba->pcidev);
2146         destroy_port(vport);
2147 out_kthread_stop:
2148         kthread_stop(phba->worker_thread);
2149 out_free_iocbq:
2150         list_for_each_entry_safe(iocbq_entry, iocbq_next,
2151                                                 &phba->lpfc_iocb_list, list) {
2152                 kfree(iocbq_entry);
2153                 phba->total_iocbq_bufs--;
2154         }
2155         lpfc_mem_free(phba);
2156 out_free_hbqslimp:
2157         dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2158                           phba->hbqslimp.phys);
2159 out_free_slim:
2160         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
2161                                                         phba->slim2p_mapping);
2162 out_iounmap:
2163         iounmap(phba->ctrl_regs_memmap_p);
2164 out_iounmap_slim:
2165         iounmap(phba->slim_memmap_p);
2166 out_idr_remove:
2167         idr_remove(&lpfc_hba_index, phba->brd_no);
2168 out_free_phba:
2169         kfree(phba);
2170 out_release_regions:
2171         pci_release_selected_regions(pdev, bars);
2172 out_disable_device:
2173         pci_disable_device(pdev);
2174 out:
2175         pci_set_drvdata(pdev, NULL);
2176         if (shost)
2177                 scsi_host_put(shost);
2178         return error;
2179 }
2180
2181 static void __devexit
2182 lpfc_pci_remove_one(struct pci_dev *pdev)
2183 {
2184         struct Scsi_Host  *shost = pci_get_drvdata(pdev);
2185         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2186         struct lpfc_hba   *phba = vport->phba;
2187         int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2188
2189         spin_lock_irq(&phba->hbalock);
2190         vport->load_flag |= FC_UNLOADING;
2191         spin_unlock_irq(&phba->hbalock);
2192
2193         kfree(vport->vname);
2194         lpfc_free_sysfs_attr(vport);
2195
2196         kthread_stop(phba->worker_thread);
2197
2198         fc_remove_host(shost);
2199         scsi_remove_host(shost);
2200         lpfc_cleanup(vport);
2201
2202         /*
2203          * Bring down the SLI Layer. This step disable all interrupts,
2204          * clears the rings, discards all mailbox commands, and resets
2205          * the HBA.
2206          */
2207         lpfc_sli_hba_down(phba);
2208         lpfc_sli_brdrestart(phba);
2209
2210         lpfc_stop_phba_timers(phba);
2211         spin_lock_irq(&phba->hbalock);
2212         list_del_init(&vport->listentry);
2213         spin_unlock_irq(&phba->hbalock);
2214
2215         lpfc_debugfs_terminate(vport);
2216
2217         /* Release the irq reservation */
2218         free_irq(phba->pcidev->irq, phba);
2219         if (phba->using_msi)
2220                 pci_disable_msi(phba->pcidev);
2221
2222         pci_set_drvdata(pdev, NULL);
2223         scsi_host_put(shost);
2224
2225         /*
2226          * Call scsi_free before mem_free since scsi bufs are released to their
2227          * corresponding pools here.
2228          */
2229         lpfc_scsi_free(phba);
2230         lpfc_mem_free(phba);
2231
2232         dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2233                           phba->hbqslimp.phys);
2234
2235         /* Free resources associated with SLI2 interface */
2236         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2237                           phba->slim2p, phba->slim2p_mapping);
2238
2239         /* unmap adapter SLIM and Control Registers */
2240         iounmap(phba->ctrl_regs_memmap_p);
2241         iounmap(phba->slim_memmap_p);
2242
2243         idr_remove(&lpfc_hba_index, phba->brd_no);
2244
2245         kfree(phba);
2246
2247         pci_release_selected_regions(pdev, bars);
2248         pci_disable_device(pdev);
2249 }
2250
2251 /**
2252  * lpfc_io_error_detected - called when PCI error is detected
2253  * @pdev: Pointer to PCI device
2254  * @state: The current pci conneection state
2255  *
2256  * This function is called after a PCI bus error affecting
2257  * this device has been detected.
2258  */
2259 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2260                                 pci_channel_state_t state)
2261 {
2262         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2263         struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2264         struct lpfc_sli *psli = &phba->sli;
2265         struct lpfc_sli_ring  *pring;
2266
2267         if (state == pci_channel_io_perm_failure)
2268                 return PCI_ERS_RESULT_DISCONNECT;
2269
2270         pci_disable_device(pdev);
2271         /*
2272          * There may be I/Os dropped by the firmware.
2273          * Error iocb (I/O) on txcmplq and let the SCSI layer
2274          * retry it after re-establishing link.
2275          */
2276         pring = &psli->ring[psli->fcp_ring];
2277         lpfc_sli_abort_iocb_ring(phba, pring);
2278
2279         /* Release the irq reservation */
2280         free_irq(phba->pcidev->irq, phba);
2281         if (phba->using_msi)
2282                 pci_disable_msi(phba->pcidev);
2283
2284         /* Request a slot reset. */
2285         return PCI_ERS_RESULT_NEED_RESET;
2286 }
2287
2288 /**
2289  * lpfc_io_slot_reset - called after the pci bus has been reset.
2290  * @pdev: Pointer to PCI device
2291  *
2292  * Restart the card from scratch, as if from a cold-boot.
2293  */
2294 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2295 {
2296         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2297         struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2298         struct lpfc_sli *psli = &phba->sli;
2299
2300         dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2301         if (pci_enable_device_mem(pdev)) {
2302                 printk(KERN_ERR "lpfc: Cannot re-enable "
2303                         "PCI device after reset.\n");
2304                 return PCI_ERS_RESULT_DISCONNECT;
2305         }
2306
2307         pci_set_master(pdev);
2308
2309         /* Re-establishing Link */
2310         spin_lock_irq(shost->host_lock);
2311         phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2312         spin_unlock_irq(shost->host_lock);
2313
2314         spin_lock_irq(&phba->hbalock);
2315         psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2316         spin_unlock_irq(&phba->hbalock);
2317
2318
2319         /* Take device offline; this will perform cleanup */
2320         lpfc_offline(phba);
2321         lpfc_sli_brdrestart(phba);
2322
2323         return PCI_ERS_RESULT_RECOVERED;
2324 }
2325
2326 /**
2327  * lpfc_io_resume - called when traffic can start flowing again.
2328  * @pdev: Pointer to PCI device
2329  *
2330  * This callback is called when the error recovery driver tells us that
2331  * its OK to resume normal operation.
2332  */
2333 static void lpfc_io_resume(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
2338         if (lpfc_online(phba) == 0) {
2339                 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2340         }
2341 }
2342
2343 static struct pci_device_id lpfc_id_table[] = {
2344         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2345                 PCI_ANY_ID, PCI_ANY_ID, },
2346         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2347                 PCI_ANY_ID, PCI_ANY_ID, },
2348         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2349                 PCI_ANY_ID, PCI_ANY_ID, },
2350         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2351                 PCI_ANY_ID, PCI_ANY_ID, },
2352         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2353                 PCI_ANY_ID, PCI_ANY_ID, },
2354         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2355                 PCI_ANY_ID, PCI_ANY_ID, },
2356         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2357                 PCI_ANY_ID, PCI_ANY_ID, },
2358         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2359                 PCI_ANY_ID, PCI_ANY_ID, },
2360         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2361                 PCI_ANY_ID, PCI_ANY_ID, },
2362         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2363                 PCI_ANY_ID, PCI_ANY_ID, },
2364         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2365                 PCI_ANY_ID, PCI_ANY_ID, },
2366         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2367                 PCI_ANY_ID, PCI_ANY_ID, },
2368         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2369                 PCI_ANY_ID, PCI_ANY_ID, },
2370         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2371                 PCI_ANY_ID, PCI_ANY_ID, },
2372         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2373                 PCI_ANY_ID, PCI_ANY_ID, },
2374         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2375                 PCI_ANY_ID, PCI_ANY_ID, },
2376         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2377                 PCI_ANY_ID, PCI_ANY_ID, },
2378         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2379                 PCI_ANY_ID, PCI_ANY_ID, },
2380         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2381                 PCI_ANY_ID, PCI_ANY_ID, },
2382         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2383                 PCI_ANY_ID, PCI_ANY_ID, },
2384         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2385                 PCI_ANY_ID, PCI_ANY_ID, },
2386         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2387                 PCI_ANY_ID, PCI_ANY_ID, },
2388         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2389                 PCI_ANY_ID, PCI_ANY_ID, },
2390         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2391                 PCI_ANY_ID, PCI_ANY_ID, },
2392         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2393                 PCI_ANY_ID, PCI_ANY_ID, },
2394         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2395                 PCI_ANY_ID, PCI_ANY_ID, },
2396         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2397                 PCI_ANY_ID, PCI_ANY_ID, },
2398         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2399                 PCI_ANY_ID, PCI_ANY_ID, },
2400         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2401                 PCI_ANY_ID, PCI_ANY_ID, },
2402         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2403                 PCI_ANY_ID, PCI_ANY_ID, },
2404         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2405                 PCI_ANY_ID, PCI_ANY_ID, },
2406         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2407                 PCI_ANY_ID, PCI_ANY_ID, },
2408         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2409                 PCI_ANY_ID, PCI_ANY_ID, },
2410         { 0 }
2411 };
2412
2413 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2414
2415 static struct pci_error_handlers lpfc_err_handler = {
2416         .error_detected = lpfc_io_error_detected,
2417         .slot_reset = lpfc_io_slot_reset,
2418         .resume = lpfc_io_resume,
2419 };
2420
2421 static struct pci_driver lpfc_driver = {
2422         .name           = LPFC_DRIVER_NAME,
2423         .id_table       = lpfc_id_table,
2424         .probe          = lpfc_pci_probe_one,
2425         .remove         = __devexit_p(lpfc_pci_remove_one),
2426         .err_handler    = &lpfc_err_handler,
2427 };
2428
2429 static int __init
2430 lpfc_init(void)
2431 {
2432         int error = 0;
2433
2434         printk(LPFC_MODULE_DESC "\n");
2435         printk(LPFC_COPYRIGHT "\n");
2436
2437         if (lpfc_enable_npiv) {
2438                 lpfc_transport_functions.vport_create = lpfc_vport_create;
2439                 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
2440         }
2441         lpfc_transport_template =
2442                                 fc_attach_transport(&lpfc_transport_functions);
2443         if (lpfc_transport_template == NULL)
2444                 return -ENOMEM;
2445         if (lpfc_enable_npiv) {
2446                 lpfc_vport_transport_template =
2447                         fc_attach_transport(&lpfc_vport_transport_functions);
2448                 if (lpfc_vport_transport_template == NULL) {
2449                         fc_release_transport(lpfc_transport_template);
2450                         return -ENOMEM;
2451                 }
2452         }
2453         error = pci_register_driver(&lpfc_driver);
2454         if (error) {
2455                 fc_release_transport(lpfc_transport_template);
2456                 fc_release_transport(lpfc_vport_transport_template);
2457         }
2458
2459         return error;
2460 }
2461
2462 static void __exit
2463 lpfc_exit(void)
2464 {
2465         pci_unregister_driver(&lpfc_driver);
2466         fc_release_transport(lpfc_transport_template);
2467         if (lpfc_enable_npiv)
2468                 fc_release_transport(lpfc_vport_transport_template);
2469 }
2470
2471 module_init(lpfc_init);
2472 module_exit(lpfc_exit);
2473 MODULE_LICENSE("GPL");
2474 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2475 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2476 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);