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

   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Fibre Channel Host Bus Adapters.                                *
   4  * Copyright (C) 2004-2007 Emulex.  All rights reserved.           *
   5  * EMULEX and SLI are trademarks of Emulex.                        *
   6  * www.emulex.com                                                  *
   7  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
   8  *                                                                 *
   9  * This program is free software; you can redistribute it and/or   *
  10  * modify it under the terms of version 2 of the GNU General       *
  11  * Public License as published by the Free Software Foundation.    *
  12  * This program is distributed in the hope that it will be useful. *
  13  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  14  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  15  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  16  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  17  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  18  * more details, a copy of which can be found in the file COPYING  *
  19  * included with this package.                                     *
  20  *******************************************************************/
  21
  22 #include <linux/blkdev.h>
  23 #include <linux/delay.h>
  24 #include <linux/dma-mapping.h>
  25 #include <linux/idr.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/kthread.h>
  28 #include <linux/pci.h>
  29 #include <linux/spinlock.h>
  30 #include <linux/ctype.h>
  31
  32 #include <scsi/scsi.h>
  33 #include <scsi/scsi_device.h>
  34 #include <scsi/scsi_host.h>
  35 #include <scsi/scsi_transport_fc.h>
  36
  37 #include "lpfc_hw.h"
  38 #include "lpfc_sli.h"
  39 #include "lpfc_disc.h"
  40 #include "lpfc_scsi.h"
  41 #include "lpfc.h"
  42 #include "lpfc_logmsg.h"
  43 #include "lpfc_crtn.h"
  44 #include "lpfc_vport.h"
  45 #include "lpfc_version.h"
  46
  47 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
  48 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
  49 static int lpfc_post_rcv_buf(struct lpfc_hba *);
  50
  51 static struct scsi_transport_template *lpfc_transport_template = NULL;
  52 static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
  53 static DEFINE_IDR(lpfc_hba_index);
  54
  55 /************************************************************************/
  56 /*                                                                      */
  57 /*    lpfc_config_port_prep                                             */
  58 /*    This routine will do LPFC initialization prior to the             */
  59 /*    CONFIG_PORT mailbox command. This will be initialized             */
  60 /*    as a SLI layer callback routine.                                  */
  61 /*    This routine returns 0 on success or -ERESTART if it wants        */
  62 /*    the SLI layer to reset the HBA and try again. Any                 */
  63 /*    other return value indicates an error.                            */
  64 /*                                                                      */
  65 /************************************************************************/
  66 int
  67 lpfc_config_port_prep(struct lpfc_hba *phba)
  68 {
  69         lpfc_vpd_t *vp = &phba->vpd;
  70         int i = 0, rc;
  71         LPFC_MBOXQ_t *pmb;
  72         MAILBOX_t *mb;
  73         char *lpfc_vpd_data = NULL;
  74         uint16_t offset = 0;
  75         static char licensed[56] =
  76                     "key unlock for use with gnu public licensed code only\0";
  77         static int init_key = 1;
  78
  79         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
  80         if (!pmb) {
  81                 phba->link_state = LPFC_HBA_ERROR;
  82                 return -ENOMEM;
  83         }
  84
  85         mb = &pmb->mb;
  86         phba->link_state = LPFC_INIT_MBX_CMDS;
  87
  88         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
  89                 if (init_key) {
  90                         uint32_t *ptext = (uint32_t *) licensed;
  91
  92                         for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
  93                                 *ptext = cpu_to_be32(*ptext);
  94                         init_key = 0;
  95                 }
  96
  97                 lpfc_read_nv(phba, pmb);
  98                 memset((char*)mb->un.varRDnvp.rsvd3, 0,
  99                         sizeof (mb->un.varRDnvp.rsvd3));
 100                 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
 101                          sizeof (licensed));
 102
 103                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 104
 105                 if (rc != MBX_SUCCESS) {
 106                         lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
 107                                         "0324 Config Port initialization "
 108                                         "error, mbxCmd x%x READ_NVPARM, "
 109                                         "mbxStatus x%x\n",
 110                                         mb->mbxCommand, mb->mbxStatus);
 111                         mempool_free(pmb, phba->mbox_mem_pool);
 112                         return -ERESTART;
 113                 }
 114                 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
 115                        sizeof(phba->wwnn));
 116                 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
 117                        sizeof(phba->wwpn));
 118         }
 119
 120         phba->sli3_options = 0x0;
 121
 122         /* Setup and issue mailbox READ REV command */
 123         lpfc_read_rev(phba, pmb);
 124         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 125         if (rc != MBX_SUCCESS) {
 126                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 127                                 "0439 Adapter failed to init, mbxCmd x%x "
 128                                 "READ_REV, mbxStatus x%x\n",
 129                                 mb->mbxCommand, mb->mbxStatus);
 130                 mempool_free( pmb, phba->mbox_mem_pool);
 131                 return -ERESTART;
 132         }
 133
 134
 135         /*
 136          * The value of rr must be 1 since the driver set the cv field to 1.
 137          * This setting requires the FW to set all revision fields.
 138          */
 139         if (mb->un.varRdRev.rr == 0) {
 140                 vp->rev.rBit = 0;
 141                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 142                                 "0440 Adapter failed to init, READ_REV has "
 143                                 "missing revision information.\n");
 144                 mempool_free(pmb, phba->mbox_mem_pool);
 145                 return -ERESTART;
 146         }
 147
 148         if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp)
 149                 return -EINVAL;
 150
 151         /* Save information as VPD data */
 152         vp->rev.rBit = 1;
 153         memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
 154         vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
 155         memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
 156         vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
 157         memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
 158         vp->rev.biuRev = mb->un.varRdRev.biuRev;
 159         vp->rev.smRev = mb->un.varRdRev.smRev;
 160         vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
 161         vp->rev.endecRev = mb->un.varRdRev.endecRev;
 162         vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
 163         vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
 164         vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
 165         vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
 166         vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
 167         vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
 168
 169         /* If the sli feature level is less then 9, we must
 170          * tear down all RPIs and VPIs on link down if NPIV
 171          * is enabled.
 172          */
 173         if (vp->rev.feaLevelHigh < 9)
 174                 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
 175
 176         if (lpfc_is_LC_HBA(phba->pcidev->device))
 177                 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
 178                                                 sizeof (phba->RandomData));
 179
 180         /* Get adapter VPD information */
 181         pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
 182         if (!pmb->context2)
 183                 goto out_free_mbox;
 184         lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
 185         if (!lpfc_vpd_data)
 186                 goto out_free_context2;
 187
 188         do {
 189                 lpfc_dump_mem(phba, pmb, offset);
 190                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 191
 192                 if (rc != MBX_SUCCESS) {
 193                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 194                                         "0441 VPD not present on adapter, "
 195                                         "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
 196                                         mb->mbxCommand, mb->mbxStatus);
 197                         mb->un.varDmp.word_cnt = 0;
 198                 }
 199                 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
 200                         mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
 201                 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
 202                                       mb->un.varDmp.word_cnt);
 203                 offset += mb->un.varDmp.word_cnt;
 204         } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
 205         lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
 206
 207         kfree(lpfc_vpd_data);
 208 out_free_context2:
 209         kfree(pmb->context2);
 210 out_free_mbox:
 211         mempool_free(pmb, phba->mbox_mem_pool);
 212         return 0;
 213 }
 214
 215 /* Completion handler for config async event mailbox command. */
 216 static void
 217 lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
 218 {
 219         if (pmboxq->mb.mbxStatus == MBX_SUCCESS)
 220                 phba->temp_sensor_support = 1;
 221         else
 222                 phba->temp_sensor_support = 0;
 223         mempool_free(pmboxq, phba->mbox_mem_pool);
 224         return;
 225 }
 226
 227 /************************************************************************/
 228 /*                                                                      */
 229 /*    lpfc_config_port_post                                             */
 230 /*    This routine will do LPFC initialization after the                */
 231 /*    CONFIG_PORT mailbox command. This will be initialized             */
 232 /*    as a SLI layer callback routine.                                  */
 233 /*    This routine returns 0 on success. Any other return value         */
 234 /*    indicates an error.                                               */
 235 /*                                                                      */
 236 /************************************************************************/
 237 int
 238 lpfc_config_port_post(struct lpfc_hba *phba)
 239 {
 240         struct lpfc_vport *vport = phba->pport;
 241         LPFC_MBOXQ_t *pmb;
 242         MAILBOX_t *mb;
 243         struct lpfc_dmabuf *mp;
 244         struct lpfc_sli *psli = &phba->sli;
 245         uint32_t status, timeout;
 246         int i, j;
 247         int rc;
 248
 249         spin_lock_irq(&phba->hbalock);
 250         /*
 251          * If the Config port completed correctly the HBA is not
 252          * over heated any more.
 253          */
 254         if (phba->over_temp_state == HBA_OVER_TEMP)
 255                 phba->over_temp_state = HBA_NORMAL_TEMP;
 256         spin_unlock_irq(&phba->hbalock);
 257
 258         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 259         if (!pmb) {
 260                 phba->link_state = LPFC_HBA_ERROR;
 261                 return -ENOMEM;
 262         }
 263         mb = &pmb->mb;
 264
 265         /* Get login parameters for NID.  */
 266         lpfc_read_sparam(phba, pmb, 0);
 267         pmb->vport = vport;
 268         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 269                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 270                                 "0448 Adapter failed init, mbxCmd x%x "
 271                                 "READ_SPARM mbxStatus x%x\n",
 272                                 mb->mbxCommand, mb->mbxStatus);
 273                 phba->link_state = LPFC_HBA_ERROR;
 274                 mp = (struct lpfc_dmabuf *) pmb->context1;
 275                 mempool_free( pmb, phba->mbox_mem_pool);
 276                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 277                 kfree(mp);
 278                 return -EIO;
 279         }
 280
 281         mp = (struct lpfc_dmabuf *) pmb->context1;
 282
 283         memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
 284         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 285         kfree(mp);
 286         pmb->context1 = NULL;
 287
 288         if (phba->cfg_soft_wwnn)
 289                 u64_to_wwn(phba->cfg_soft_wwnn,
 290                            vport->fc_sparam.nodeName.u.wwn);
 291         if (phba->cfg_soft_wwpn)
 292                 u64_to_wwn(phba->cfg_soft_wwpn,
 293                            vport->fc_sparam.portName.u.wwn);
 294         memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
 295                sizeof (struct lpfc_name));
 296         memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
 297                sizeof (struct lpfc_name));
 298         /* If no serial number in VPD data, use low 6 bytes of WWNN */
 299         /* This should be consolidated into parse_vpd ? - mr */
 300         if (phba->SerialNumber[0] == 0) {
 301                 uint8_t *outptr;
 302
 303                 outptr = &vport->fc_nodename.u.s.IEEE[0];
 304                 for (i = 0; i < 12; i++) {
 305                         status = *outptr++;
 306                         j = ((status & 0xf0) >> 4);
 307                         if (j <= 9)
 308                                 phba->SerialNumber[i] =
 309                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 310                         else
 311                                 phba->SerialNumber[i] =
 312                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 313                         i++;
 314                         j = (status & 0xf);
 315                         if (j <= 9)
 316                                 phba->SerialNumber[i] =
 317                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 318                         else
 319                                 phba->SerialNumber[i] =
 320                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 321                 }
 322         }
 323
 324         lpfc_read_config(phba, pmb);
 325         pmb->vport = vport;
 326         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 327                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 328                                 "0453 Adapter failed to init, mbxCmd x%x "
 329                                 "READ_CONFIG, mbxStatus x%x\n",
 330                                 mb->mbxCommand, mb->mbxStatus);
 331                 phba->link_state = LPFC_HBA_ERROR;
 332                 mempool_free( pmb, phba->mbox_mem_pool);
 333                 return -EIO;
 334         }
 335
 336         /* Reset the DFT_HBA_Q_DEPTH to the max xri  */
 337         if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
 338                 phba->cfg_hba_queue_depth =
 339                         mb->un.varRdConfig.max_xri + 1;
 340
 341         phba->lmt = mb->un.varRdConfig.lmt;
 342
 343         /* Get the default values for Model Name and Description */
 344         lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
 345
 346         if ((phba->cfg_link_speed > LINK_SPEED_10G)
 347             || ((phba->cfg_link_speed == LINK_SPEED_1G)
 348                 && !(phba->lmt & LMT_1Gb))
 349             || ((phba->cfg_link_speed == LINK_SPEED_2G)
 350                 && !(phba->lmt & LMT_2Gb))
 351             || ((phba->cfg_link_speed == LINK_SPEED_4G)
 352                 && !(phba->lmt & LMT_4Gb))
 353             || ((phba->cfg_link_speed == LINK_SPEED_8G)
 354                 && !(phba->lmt & LMT_8Gb))
 355             || ((phba->cfg_link_speed == LINK_SPEED_10G)
 356                 && !(phba->lmt & LMT_10Gb))) {
 357                 /* Reset link speed to auto */
 358                 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT,
 359                         "1302 Invalid speed for this board: "
 360                         "Reset link speed to auto: x%x\n",
 361                         phba->cfg_link_speed);
 362                         phba->cfg_link_speed = LINK_SPEED_AUTO;
 363         }
 364
 365         phba->link_state = LPFC_LINK_DOWN;
 366
 367         /* Only process IOCBs on ELS ring till hba_state is READY */
 368         if (psli->ring[psli->extra_ring].cmdringaddr)
 369                 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
 370         if (psli->ring[psli->fcp_ring].cmdringaddr)
 371                 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
 372         if (psli->ring[psli->next_ring].cmdringaddr)
 373                 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
 374
 375         /* Post receive buffers for desired rings */
 376         if (phba->sli_rev != 3)
 377                 lpfc_post_rcv_buf(phba);
 378
 379         /* Enable appropriate host interrupts */
 380         spin_lock_irq(&phba->hbalock);
 381         status = readl(phba->HCregaddr);
 382         status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
 383         if (psli->num_rings > 0)
 384                 status |= HC_R0INT_ENA;
 385         if (psli->num_rings > 1)
 386                 status |= HC_R1INT_ENA;
 387         if (psli->num_rings > 2)
 388                 status |= HC_R2INT_ENA;
 389         if (psli->num_rings > 3)
 390                 status |= HC_R3INT_ENA;
 391
 392         if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
 393             (phba->cfg_poll & DISABLE_FCP_RING_INT))
 394                 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
 395
 396         writel(status, phba->HCregaddr);
 397         readl(phba->HCregaddr); /* flush */
 398         spin_unlock_irq(&phba->hbalock);
 399
 400         /*
 401          * Setup the ring 0 (els)  timeout handler
 402          */
 403         timeout = phba->fc_ratov << 1;
 404         mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
 405         mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 406         phba->hb_outstanding = 0;
 407         phba->last_completion_time = jiffies;
 408
 409         lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
 410         pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 411         pmb->vport = vport;
 412         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
 413         lpfc_set_loopback_flag(phba);
 414         if (rc != MBX_SUCCESS) {
 415                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 416                                 "0454 Adapter failed to init, mbxCmd x%x "
 417                                 "INIT_LINK, mbxStatus x%x\n",
 418                                 mb->mbxCommand, mb->mbxStatus);
 419
 420                 /* Clear all interrupt enable conditions */
 421                 writel(0, phba->HCregaddr);
 422                 readl(phba->HCregaddr); /* flush */
 423                 /* Clear all pending interrupts */
 424                 writel(0xffffffff, phba->HAregaddr);
 425                 readl(phba->HAregaddr); /* flush */
 426
 427                 phba->link_state = LPFC_HBA_ERROR;
 428                 if (rc != MBX_BUSY)
 429                         mempool_free(pmb, phba->mbox_mem_pool);
 430                 return -EIO;
 431         }
 432         /* MBOX buffer will be freed in mbox compl */
 433         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 434         lpfc_config_async(phba, pmb, LPFC_ELS_RING);
 435         pmb->mbox_cmpl = lpfc_config_async_cmpl;
 436         pmb->vport = phba->pport;
 437         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
 438
 439         if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
 440                 lpfc_printf_log(phba,
 441                                 KERN_ERR,
 442                                 LOG_INIT,
 443                                 "0456 Adapter failed to issue "
 444                                 "ASYNCEVT_ENABLE mbox status x%x \n.",
 445                                 rc);
 446                 mempool_free(pmb, phba->mbox_mem_pool);
 447         }
 448         return (0);
 449 }
 450
 451 /************************************************************************/
 452 /*                                                                      */
 453 /*    lpfc_hba_down_prep                                                */
 454 /*    This routine will do LPFC uninitialization before the             */
 455 /*    HBA is reset when bringing down the SLI Layer. This will be       */
 456 /*    initialized as a SLI layer callback routine.                      */
 457 /*    This routine returns 0 on success. Any other return value         */
 458 /*    indicates an error.                                               */
 459 /*                                                                      */
 460 /************************************************************************/
 461 int
 462 lpfc_hba_down_prep(struct lpfc_hba *phba)
 463 {
 464         /* Disable interrupts */
 465         writel(0, phba->HCregaddr);
 466         readl(phba->HCregaddr); /* flush */
 467
 468         lpfc_cleanup_discovery_resources(phba->pport);
 469         return 0;
 470 }
 471
 472 /************************************************************************/
 473 /*                                                                      */
 474 /*    lpfc_hba_down_post                                                */
 475 /*    This routine will do uninitialization after the HBA is reset      */
 476 /*    when bringing down the SLI Layer.                                 */
 477 /*    This routine returns 0 on success. Any other return value         */
 478 /*    indicates an error.                                               */
 479 /*                                                                      */
 480 /************************************************************************/
 481 int
 482 lpfc_hba_down_post(struct lpfc_hba *phba)
 483 {
 484         struct lpfc_sli *psli = &phba->sli;
 485         struct lpfc_sli_ring *pring;
 486         struct lpfc_dmabuf *mp, *next_mp;
 487         int i;
 488
 489         if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
 490                 lpfc_sli_hbqbuf_free_all(phba);
 491         else {
 492                 /* Cleanup preposted buffers on the ELS ring */
 493                 pring = &psli->ring[LPFC_ELS_RING];
 494                 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
 495                         list_del(&mp->list);
 496                         pring->postbufq_cnt--;
 497                         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 498                         kfree(mp);
 499                 }
 500         }
 501
 502         for (i = 0; i < psli->num_rings; i++) {
 503                 pring = &psli->ring[i];
 504                 lpfc_sli_abort_iocb_ring(phba, pring);
 505         }
 506
 507         return 0;
 508 }
 509
 510 /* HBA heart beat timeout handler */
 511 static void
 512 lpfc_hb_timeout(unsigned long ptr)
 513 {
 514         struct lpfc_hba *phba;
 515         unsigned long iflag;
 516
 517         phba = (struct lpfc_hba *)ptr;
 518         spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
 519         if (!(phba->pport->work_port_events & WORKER_HB_TMO))
 520                 phba->pport->work_port_events |= WORKER_HB_TMO;
 521         spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
 522
 523         if (phba->work_wait)
 524                 wake_up(phba->work_wait);
 525         return;
 526 }
 527
 528 static void
 529 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
 530 {
 531         unsigned long drvr_flag;
 532
 533         spin_lock_irqsave(&phba->hbalock, drvr_flag);
 534         phba->hb_outstanding = 0;
 535         spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
 536
 537         mempool_free(pmboxq, phba->mbox_mem_pool);
 538         if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
 539                 !(phba->link_state == LPFC_HBA_ERROR) &&
 540                 !(phba->pport->load_flag & FC_UNLOADING))
 541                 mod_timer(&phba->hb_tmofunc,
 542                         jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 543         return;
 544 }
 545
 546 void
 547 lpfc_hb_timeout_handler(struct lpfc_hba *phba)
 548 {
 549         LPFC_MBOXQ_t *pmboxq;
 550         struct lpfc_dmabuf *buf_ptr;
 551         int retval;
 552         struct lpfc_sli *psli = &phba->sli;
 553         LIST_HEAD(completions);
 554
 555         if ((phba->link_state == LPFC_HBA_ERROR) ||
 556                 (phba->pport->load_flag & FC_UNLOADING) ||
 557                 (phba->pport->fc_flag & FC_OFFLINE_MODE))
 558                 return;
 559
 560         spin_lock_irq(&phba->pport->work_port_lock);
 561         /* If the timer is already canceled do nothing */
 562         if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
 563                 spin_unlock_irq(&phba->pport->work_port_lock);
 564                 return;
 565         }
 566
 567         if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
 568                 jiffies)) {
 569                 spin_unlock_irq(&phba->pport->work_port_lock);
 570                 if (!phba->hb_outstanding)
 571                         mod_timer(&phba->hb_tmofunc,
 572                                 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 573                 else
 574                         mod_timer(&phba->hb_tmofunc,
 575                                 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
 576                 return;
 577         }
 578         spin_unlock_irq(&phba->pport->work_port_lock);
 579
 580         if (phba->elsbuf_cnt &&
 581                 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
 582                 spin_lock_irq(&phba->hbalock);
 583                 list_splice_init(&phba->elsbuf, &completions);
 584                 phba->elsbuf_cnt = 0;
 585                 phba->elsbuf_prev_cnt = 0;
 586                 spin_unlock_irq(&phba->hbalock);
 587
 588                 while (!list_empty(&completions)) {
 589                         list_remove_head(&completions, buf_ptr,
 590                                 struct lpfc_dmabuf, list);
 591                         lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
 592                         kfree(buf_ptr);
 593                 }
 594         }
 595         phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
 596
 597         /* If there is no heart beat outstanding, issue a heartbeat command */
 598         if (phba->cfg_enable_hba_heartbeat) {
 599                 if (!phba->hb_outstanding) {
 600                         pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
 601                         if (!pmboxq) {
 602                                 mod_timer(&phba->hb_tmofunc,
 603                                           jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 604                                 return;
 605                         }
 606
 607                         lpfc_heart_beat(phba, pmboxq);
 608                         pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
 609                         pmboxq->vport = phba->pport;
 610                         retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
 611
 612                         if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
 613                                 mempool_free(pmboxq, phba->mbox_mem_pool);
 614                                 mod_timer(&phba->hb_tmofunc,
 615                                           jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 616                                 return;
 617                         }
 618                         mod_timer(&phba->hb_tmofunc,
 619                                   jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
 620                         phba->hb_outstanding = 1;
 621                         return;
 622                 } else {
 623                         /*
 624                         * If heart beat timeout called with hb_outstanding set
 625                         * we need to take the HBA offline.
 626                         */
 627                         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 628                                         "0459 Adapter heartbeat failure, "
 629                                         "taking this port offline.\n");
 630
 631                         spin_lock_irq(&phba->hbalock);
 632                         psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 633                         spin_unlock_irq(&phba->hbalock);
 634
 635                         lpfc_offline_prep(phba);
 636                         lpfc_offline(phba);
 637                         lpfc_unblock_mgmt_io(phba);
 638                         phba->link_state = LPFC_HBA_ERROR;
 639                         lpfc_hba_down_post(phba);
 640                 }
 641         }
 642 }
 643
 644 /************************************************************************/
 645 /*                                                                      */
 646 /*    lpfc_handle_eratt                                                 */
 647 /*    This routine will handle processing a Host Attention              */
 648 /*    Error Status event. This will be initialized                      */
 649 /*    as a SLI layer callback routine.                                  */
 650 /*                                                                      */
 651 /************************************************************************/
 652 void
 653 lpfc_handle_eratt(struct lpfc_hba *phba)
 654 {
 655         struct lpfc_vport *vport = phba->pport;
 656         struct lpfc_sli   *psli = &phba->sli;
 657         struct lpfc_sli_ring  *pring;
 658         struct lpfc_vport **vports;
 659         uint32_t event_data;
 660         unsigned long temperature;
 661         struct temp_event temp_event_data;
 662         struct Scsi_Host  *shost;
 663         int i;
 664
 665         /* If the pci channel is offline, ignore possible errors,
 666          * since we cannot communicate with the pci card anyway. */
 667         if (pci_channel_offline(phba->pcidev))
 668                 return;
 669         /* If resets are disabled then leave the HBA alone and return */
 670         if (!phba->cfg_enable_hba_reset)
 671                 return;
 672
 673         if (phba->work_hs & HS_FFER6 ||
 674             phba->work_hs & HS_FFER5) {
 675                 /* Re-establishing Link */
 676                 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
 677                                 "1301 Re-establishing Link "
 678                                 "Data: x%x x%x x%x\n",
 679                                 phba->work_hs,
 680                                 phba->work_status[0], phba->work_status[1]);
 681                 vports = lpfc_create_vport_work_array(phba);
 682                 if (vports != NULL)
 683                         for(i = 0;
 684                             i < LPFC_MAX_VPORTS && vports[i] != NULL;
 685                             i++){
 686                                 shost = lpfc_shost_from_vport(vports[i]);
 687                                 spin_lock_irq(shost->host_lock);
 688                                 vports[i]->fc_flag |= FC_ESTABLISH_LINK;
 689                                 spin_unlock_irq(shost->host_lock);
 690                         }
 691                 lpfc_destroy_vport_work_array(vports);
 692                 spin_lock_irq(&phba->hbalock);
 693                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 694                 spin_unlock_irq(&phba->hbalock);
 695
 696                 /*
 697                 * Firmware stops when it triggled erratt with HS_FFER6.
 698                 * That could cause the I/Os dropped by the firmware.
 699                 * Error iocb (I/O) on txcmplq and let the SCSI layer
 700                 * retry it after re-establishing link.
 701                 */
 702                 pring = &psli->ring[psli->fcp_ring];
 703                 lpfc_sli_abort_iocb_ring(phba, pring);
 704
 705
 706                 /*
 707                  * There was a firmware error.  Take the hba offline and then
 708                  * attempt to restart it.
 709                  */
 710                 lpfc_offline_prep(phba);
 711                 lpfc_offline(phba);
 712                 lpfc_sli_brdrestart(phba);
 713                 if (lpfc_online(phba) == 0) {   /* Initialize the HBA */
 714                         mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
 715                         lpfc_unblock_mgmt_io(phba);
 716                         return;
 717                 }
 718                 lpfc_unblock_mgmt_io(phba);
 719         } else if (phba->work_hs & HS_CRIT_TEMP) {
 720                 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
 721                 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
 722                 temp_event_data.event_code = LPFC_CRIT_TEMP;
 723                 temp_event_data.data = (uint32_t)temperature;
 724
 725                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 726                                 "0459 Adapter maximum temperature exceeded "
 727                                 "(%ld), taking this port offline "
 728                                 "Data: x%x x%x x%x\n",
 729                                 temperature, phba->work_hs,
 730                                 phba->work_status[0], phba->work_status[1]);
 731
 732                 shost = lpfc_shost_from_vport(phba->pport);
 733                 fc_host_post_vendor_event(shost, fc_get_event_number(),
 734                                           sizeof(temp_event_data),
 735                                           (char *) &temp_event_data,
 736                                           SCSI_NL_VID_TYPE_PCI
 737                                           | PCI_VENDOR_ID_EMULEX);
 738
 739                 spin_lock_irq(&phba->hbalock);
 740                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 741                 phba->over_temp_state = HBA_OVER_TEMP;
 742                 spin_unlock_irq(&phba->hbalock);
 743                 lpfc_offline_prep(phba);
 744                 lpfc_offline(phba);
 745                 lpfc_unblock_mgmt_io(phba);
 746                 phba->link_state = LPFC_HBA_ERROR;
 747                 lpfc_hba_down_post(phba);
 748
 749         } else {
 750                 /* The if clause above forces this code path when the status
 751                  * failure is a value other than FFER6.  Do not call the offline
 752                  *  twice. This is the adapter hardware error path.
 753                  */
 754                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 755                                 "0457 Adapter Hardware Error "
 756                                 "Data: x%x x%x x%x\n",
 757                                 phba->work_hs,
 758                                 phba->work_status[0], phba->work_status[1]);
 759
 760                 event_data = FC_REG_DUMP_EVENT;
 761                 shost = lpfc_shost_from_vport(vport);
 762                 fc_host_post_vendor_event(shost, fc_get_event_number(),
 763                                 sizeof(event_data), (char *) &event_data,
 764                                 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
 765
 766                 spin_lock_irq(&phba->hbalock);
 767                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 768                 spin_unlock_irq(&phba->hbalock);
 769                 lpfc_offline_prep(phba);
 770                 lpfc_offline(phba);
 771                 lpfc_unblock_mgmt_io(phba);
 772                 phba->link_state = LPFC_HBA_ERROR;
 773                 lpfc_hba_down_post(phba);
 774         }
 775 }
 776
 777 /************************************************************************/
 778 /*                                                                      */
 779 /*    lpfc_handle_latt                                                  */
 780 /*    This routine will handle processing a Host Attention              */
 781 /*    Link Status event. This will be initialized                       */
 782 /*    as a SLI layer callback routine.                                  */
 783 /*                                                                      */
 784 /************************************************************************/
 785 void
 786 lpfc_handle_latt(struct lpfc_hba *phba)
 787 {
 788         struct lpfc_vport *vport = phba->pport;
 789         struct lpfc_sli   *psli = &phba->sli;
 790         LPFC_MBOXQ_t *pmb;
 791         volatile uint32_t control;
 792         struct lpfc_dmabuf *mp;
 793         int rc = -ENOMEM;
 794
 795         pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 796         if (!pmb)
 797                 goto lpfc_handle_latt_err_exit;
 798
 799         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 800         if (!mp)
 801                 goto lpfc_handle_latt_free_pmb;
 802
 803         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
 804         if (!mp->virt)
 805                 goto lpfc_handle_latt_free_mp;
 806
 807         rc = -EIO;
 808
 809         /* Cleanup any outstanding ELS commands */
 810         lpfc_els_flush_all_cmd(phba);
 811
 812         psli->slistat.link_event++;
 813         lpfc_read_la(phba, pmb, mp);
 814         pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
 815         pmb->vport = vport;
 816         rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
 817         if (rc == MBX_NOT_FINISHED)
 818                 goto lpfc_handle_latt_free_mbuf;
 819
 820         /* Clear Link Attention in HA REG */
 821         spin_lock_irq(&phba->hbalock);
 822         writel(HA_LATT, phba->HAregaddr);
 823         readl(phba->HAregaddr); /* flush */
 824         spin_unlock_irq(&phba->hbalock);
 825
 826         return;
 827
 828 lpfc_handle_latt_free_mbuf:
 829         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 830 lpfc_handle_latt_free_mp:
 831         kfree(mp);
 832 lpfc_handle_latt_free_pmb:
 833         mempool_free(pmb, phba->mbox_mem_pool);
 834 lpfc_handle_latt_err_exit:
 835         /* Enable Link attention interrupts */
 836         spin_lock_irq(&phba->hbalock);
 837         psli->sli_flag |= LPFC_PROCESS_LA;
 838         control = readl(phba->HCregaddr);
 839         control |= HC_LAINT_ENA;
 840         writel(control, phba->HCregaddr);
 841         readl(phba->HCregaddr); /* flush */
 842
 843         /* Clear Link Attention in HA REG */
 844         writel(HA_LATT, phba->HAregaddr);
 845         readl(phba->HAregaddr); /* flush */
 846         spin_unlock_irq(&phba->hbalock);
 847         lpfc_linkdown(phba);
 848         phba->link_state = LPFC_HBA_ERROR;
 849
 850         /* The other case is an error from issue_mbox */
 851         if (rc == -ENOMEM)
 852                 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
 853                                 "0300 READ_LA: no buffers\n");
 854
 855         return;
 856 }
 857
 858 /************************************************************************/
 859 /*                                                                      */
 860 /*   lpfc_parse_vpd                                                     */
 861 /*   This routine will parse the VPD data                               */
 862 /*                                                                      */
 863 /************************************************************************/
 864 static int
 865 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
 866 {
 867         uint8_t lenlo, lenhi;
 868         int Length;
 869         int i, j;
 870         int finished = 0;
 871         int index = 0;
 872
 873         if (!vpd)
 874                 return 0;
 875
 876         /* Vital Product */
 877         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 878                         "0455 Vital Product Data: x%x x%x x%x x%x\n",
 879                         (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
 880                         (uint32_t) vpd[3]);
 881         while (!finished && (index < (len - 4))) {
 882                 switch (vpd[index]) {
 883                 case 0x82:
 884                 case 0x91:
 885                         index += 1;
 886                         lenlo = vpd[index];
 887                         index += 1;
 888                         lenhi = vpd[index];
 889                         index += 1;
 890                         i = ((((unsigned short)lenhi) << 8) + lenlo);
 891                         index += i;
 892                         break;
 893                 case 0x90:
 894                         index += 1;
 895                         lenlo = vpd[index];
 896                         index += 1;
 897                         lenhi = vpd[index];
 898                         index += 1;
 899                         Length = ((((unsigned short)lenhi) << 8) + lenlo);
 900                         if (Length > len - index)
 901                                 Length = len - index;
 902                         while (Length > 0) {
 903                         /* Look for Serial Number */
 904                         if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
 905                                 index += 2;
 906                                 i = vpd[index];
 907                                 index += 1;
 908                                 j = 0;
 909                                 Length -= (3+i);
 910                                 while(i--) {
 911                                         phba->SerialNumber[j++] = vpd[index++];
 912                                         if (j == 31)
 913                                                 break;
 914                                 }
 915                                 phba->SerialNumber[j] = 0;
 916                                 continue;
 917                         }
 918                         else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
 919                                 phba->vpd_flag |= VPD_MODEL_DESC;
 920                                 index += 2;
 921                                 i = vpd[index];
 922                                 index += 1;
 923                                 j = 0;
 924                                 Length -= (3+i);
 925                                 while(i--) {
 926                                         phba->ModelDesc[j++] = vpd[index++];
 927                                         if (j == 255)
 928                                                 break;
 929                                 }
 930                                 phba->ModelDesc[j] = 0;
 931                                 continue;
 932                         }
 933                         else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
 934                                 phba->vpd_flag |= VPD_MODEL_NAME;
 935                                 index += 2;
 936                                 i = vpd[index];
 937                                 index += 1;
 938                                 j = 0;
 939                                 Length -= (3+i);
 940                                 while(i--) {
 941                                         phba->ModelName[j++] = vpd[index++];
 942                                         if (j == 79)
 943                                                 break;
 944                                 }
 945                                 phba->ModelName[j] = 0;
 946                                 continue;
 947                         }
 948                         else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
 949                                 phba->vpd_flag |= VPD_PROGRAM_TYPE;
 950                                 index += 2;
 951                                 i = vpd[index];
 952                                 index += 1;
 953                                 j = 0;
 954                                 Length -= (3+i);
 955                                 while(i--) {
 956                                         phba->ProgramType[j++] = vpd[index++];
 957                                         if (j == 255)
 958                                                 break;
 959                                 }
 960                                 phba->ProgramType[j] = 0;
 961                                 continue;
 962                         }
 963                         else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
 964                                 phba->vpd_flag |= VPD_PORT;
 965                                 index += 2;
 966                                 i = vpd[index];
 967                                 index += 1;
 968                                 j = 0;
 969                                 Length -= (3+i);
 970                                 while(i--) {
 971                                 phba->Port[j++] = vpd[index++];
 972                                 if (j == 19)
 973                                         break;
 974                                 }
 975                                 phba->Port[j] = 0;
 976                                 continue;
 977                         }
 978                         else {
 979                                 index += 2;
 980                                 i = vpd[index];
 981                                 index += 1;
 982                                 index += i;
 983                                 Length -= (3 + i);
 984                         }
 985                 }
 986                 finished = 0;
 987                 break;
 988                 case 0x78:
 989                         finished = 1;
 990                         break;
 991                 default:
 992                         index ++;
 993                         break;
 994                 }
 995         }
 996
 997         return(1);
 998 }
 999
1000 static void
1001 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
1002 {
1003         lpfc_vpd_t *vp;
1004         uint16_t dev_id = phba->pcidev->device;
1005         int max_speed;
1006         struct {
1007                 char * name;
1008                 int    max_speed;
1009                 char * bus;
1010         } m = {"<Unknown>", 0, ""};
1011
1012         if (mdp && mdp[0] != '\0'
1013                 && descp && descp[0] != '\0')
1014                 return;
1015
1016         if (phba->lmt & LMT_10Gb)
1017                 max_speed = 10;
1018         else if (phba->lmt & LMT_8Gb)
1019                 max_speed = 8;
1020         else if (phba->lmt & LMT_4Gb)
1021                 max_speed = 4;
1022         else if (phba->lmt & LMT_2Gb)
1023                 max_speed = 2;
1024         else
1025                 max_speed = 1;
1026
1027         vp = &phba->vpd;
1028
1029         switch (dev_id) {
1030         case PCI_DEVICE_ID_FIREFLY:
1031                 m = (typeof(m)){"LP6000", max_speed, "PCI"};
1032                 break;
1033         case PCI_DEVICE_ID_SUPERFLY:
1034                 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
1035                         m = (typeof(m)){"LP7000", max_speed,  "PCI"};
1036                 else
1037                         m = (typeof(m)){"LP7000E", max_speed, "PCI"};
1038                 break;
1039         case PCI_DEVICE_ID_DRAGONFLY:
1040                 m = (typeof(m)){"LP8000", max_speed, "PCI"};
1041                 break;
1042         case PCI_DEVICE_ID_CENTAUR:
1043                 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
1044                         m = (typeof(m)){"LP9002", max_speed, "PCI"};
1045                 else
1046                         m = (typeof(m)){"LP9000", max_speed, "PCI"};
1047                 break;
1048         case PCI_DEVICE_ID_RFLY:
1049                 m = (typeof(m)){"LP952", max_speed, "PCI"};
1050                 break;
1051         case PCI_DEVICE_ID_PEGASUS:
1052                 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
1053                 break;
1054         case PCI_DEVICE_ID_THOR:
1055                 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
1056                 break;
1057         case PCI_DEVICE_ID_VIPER:
1058                 m = (typeof(m)){"LPX1000", max_speed,  "PCI-X"};
1059                 break;
1060         case PCI_DEVICE_ID_PFLY:
1061                 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
1062                 break;
1063         case PCI_DEVICE_ID_TFLY:
1064                 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
1065                 break;
1066         case PCI_DEVICE_ID_HELIOS:
1067                 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
1068                 break;
1069         case PCI_DEVICE_ID_HELIOS_SCSP:
1070                 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
1071                 break;
1072         case PCI_DEVICE_ID_HELIOS_DCSP:
1073                 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
1074                 break;
1075         case PCI_DEVICE_ID_NEPTUNE:
1076                 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
1077                 break;
1078         case PCI_DEVICE_ID_NEPTUNE_SCSP:
1079                 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
1080                 break;
1081         case PCI_DEVICE_ID_NEPTUNE_DCSP:
1082                 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
1083                 break;
1084         case PCI_DEVICE_ID_BMID:
1085                 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
1086                 break;
1087         case PCI_DEVICE_ID_BSMB:
1088                 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
1089                 break;
1090         case PCI_DEVICE_ID_ZEPHYR:
1091                 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1092                 break;
1093         case PCI_DEVICE_ID_ZEPHYR_SCSP:
1094                 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1095                 break;
1096         case PCI_DEVICE_ID_ZEPHYR_DCSP:
1097                 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
1098                 break;
1099         case PCI_DEVICE_ID_ZMID:
1100                 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
1101                 break;
1102         case PCI_DEVICE_ID_ZSMB:
1103                 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
1104                 break;
1105         case PCI_DEVICE_ID_LP101:
1106                 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
1107                 break;
1108         case PCI_DEVICE_ID_LP10000S:
1109                 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1110                 break;
1111         case PCI_DEVICE_ID_LP11000S:
1112                 m = (typeof(m)){"LP11000-S", max_speed,
1113                         "PCI-X2"};
1114                 break;
1115         case PCI_DEVICE_ID_LPE11000S:
1116                 m = (typeof(m)){"LPe11000-S", max_speed,
1117                         "PCIe"};
1118                 break;
1119         case PCI_DEVICE_ID_SAT:
1120                 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1121                 break;
1122         case PCI_DEVICE_ID_SAT_MID:
1123                 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1124                 break;
1125         case PCI_DEVICE_ID_SAT_SMB:
1126                 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1127                 break;
1128         case PCI_DEVICE_ID_SAT_DCSP:
1129                 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1130                 break;
1131         case PCI_DEVICE_ID_SAT_SCSP:
1132                 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1133                 break;
1134         case PCI_DEVICE_ID_SAT_S:
1135                 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1136                 break;
1137         default:
1138                 m = (typeof(m)){ NULL };
1139                 break;
1140         }
1141
1142         if (mdp && mdp[0] == '\0')
1143                 snprintf(mdp, 79,"%s", m.name);
1144         if (descp && descp[0] == '\0')
1145                 snprintf(descp, 255,
1146                          "Emulex %s %dGb %s Fibre Channel Adapter",
1147                          m.name, m.max_speed, m.bus);
1148 }
1149
1150 /**************************************************/
1151 /*   lpfc_post_buffer                             */
1152 /*                                                */
1153 /*   This routine will post count buffers to the  */
1154 /*   ring with the QUE_RING_BUF_CN command. This  */
1155 /*   allows 3 buffers / command to be posted.     */
1156 /*   Returns the number of buffers NOT posted.    */
1157 /**************************************************/
1158 int
1159 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
1160                  int type)
1161 {
1162         IOCB_t *icmd;
1163         struct lpfc_iocbq *iocb;
1164         struct lpfc_dmabuf *mp1, *mp2;
1165
1166         cnt += pring->missbufcnt;
1167
1168         /* While there are buffers to post */
1169         while (cnt > 0) {
1170                 /* Allocate buffer for  command iocb */
1171                 iocb = lpfc_sli_get_iocbq(phba);
1172                 if (iocb == NULL) {
1173                         pring->missbufcnt = cnt;
1174                         return cnt;
1175                 }
1176                 icmd = &iocb->iocb;
1177
1178                 /* 2 buffers can be posted per command */
1179                 /* Allocate buffer to post */
1180                 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1181                 if (mp1)
1182                     mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
1183                 if (!mp1 || !mp1->virt) {
1184                         kfree(mp1);
1185                         lpfc_sli_release_iocbq(phba, iocb);
1186                         pring->missbufcnt = cnt;
1187                         return cnt;
1188                 }
1189
1190                 INIT_LIST_HEAD(&mp1->list);
1191                 /* Allocate buffer to post */
1192                 if (cnt > 1) {
1193                         mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1194                         if (mp2)
1195                                 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1196                                                             &mp2->phys);
1197                         if (!mp2 || !mp2->virt) {
1198                                 kfree(mp2);
1199                                 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1200                                 kfree(mp1);
1201                                 lpfc_sli_release_iocbq(phba, iocb);
1202                                 pring->missbufcnt = cnt;
1203                                 return cnt;
1204                         }
1205
1206                         INIT_LIST_HEAD(&mp2->list);
1207                 } else {
1208                         mp2 = NULL;
1209                 }
1210
1211                 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1212                 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1213                 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1214                 icmd->ulpBdeCount = 1;
1215                 cnt--;
1216                 if (mp2) {
1217                         icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1218                         icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1219                         icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1220                         cnt--;
1221                         icmd->ulpBdeCount = 2;
1222                 }
1223
1224                 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1225                 icmd->ulpLe = 1;
1226
1227                 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1228                         lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1229                         kfree(mp1);
1230                         cnt++;
1231                         if (mp2) {
1232                                 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1233                                 kfree(mp2);
1234                                 cnt++;
1235                         }
1236                         lpfc_sli_release_iocbq(phba, iocb);
1237                         pring->missbufcnt = cnt;
1238                         return cnt;
1239                 }
1240                 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1241                 if (mp2)
1242                         lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1243         }
1244         pring->missbufcnt = 0;
1245         return 0;
1246 }
1247
1248 /************************************************************************/
1249 /*                                                                      */
1250 /*   lpfc_post_rcv_buf                                                  */
1251 /*   This routine post initial rcv buffers to the configured rings      */
1252 /*                                                                      */
1253 /************************************************************************/
1254 static int
1255 lpfc_post_rcv_buf(struct lpfc_hba *phba)
1256 {
1257         struct lpfc_sli *psli = &phba->sli;
1258
1259         /* Ring 0, ELS / CT buffers */
1260         lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1261         /* Ring 2 - FCP no buffers needed */
1262
1263         return 0;
1264 }
1265
1266 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1267
1268 /************************************************************************/
1269 /*                                                                      */
1270 /*   lpfc_sha_init                                                      */
1271 /*                                                                      */
1272 /************************************************************************/
1273 static void
1274 lpfc_sha_init(uint32_t * HashResultPointer)
1275 {
1276         HashResultPointer[0] = 0x67452301;
1277         HashResultPointer[1] = 0xEFCDAB89;
1278         HashResultPointer[2] = 0x98BADCFE;
1279         HashResultPointer[3] = 0x10325476;
1280         HashResultPointer[4] = 0xC3D2E1F0;
1281 }
1282
1283 /************************************************************************/
1284 /*                                                                      */
1285 /*   lpfc_sha_iterate                                                   */
1286 /*                                                                      */
1287 /************************************************************************/
1288 static void
1289 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1290 {
1291         int t;
1292         uint32_t TEMP;
1293         uint32_t A, B, C, D, E;
1294         t = 16;
1295         do {
1296                 HashWorkingPointer[t] =
1297                     S(1,
1298                       HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1299                                                                      8] ^
1300                       HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1301         } while (++t <= 79);
1302         t = 0;
1303         A = HashResultPointer[0];
1304         B = HashResultPointer[1];
1305         C = HashResultPointer[2];
1306         D = HashResultPointer[3];
1307         E = HashResultPointer[4];
1308
1309         do {
1310                 if (t < 20) {
1311                         TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1312                 } else if (t < 40) {
1313                         TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1314                 } else if (t < 60) {
1315                         TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1316                 } else {
1317                         TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1318                 }
1319                 TEMP += S(5, A) + E + HashWorkingPointer[t];
1320                 E = D;
1321                 D = C;
1322                 C = S(30, B);
1323                 B = A;
1324                 A = TEMP;
1325         } while (++t <= 79);
1326
1327         HashResultPointer[0] += A;
1328         HashResultPointer[1] += B;
1329         HashResultPointer[2] += C;
1330         HashResultPointer[3] += D;
1331         HashResultPointer[4] += E;
1332
1333 }
1334
1335 /************************************************************************/
1336 /*                                                                      */
1337 /*   lpfc_challenge_key                                                 */
1338 /*                                                                      */
1339 /************************************************************************/
1340 static void
1341 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1342 {
1343         *HashWorking = (*RandomChallenge ^ *HashWorking);
1344 }
1345
1346 /************************************************************************/
1347 /*                                                                      */
1348 /*   lpfc_hba_init                                                      */
1349 /*                                                                      */
1350 /************************************************************************/
1351 void
1352 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1353 {
1354         int t;
1355         uint32_t *HashWorking;
1356         uint32_t *pwwnn = (uint32_t *) phba->wwnn;
1357
1358         HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
1359         if (!HashWorking)
1360                 return;
1361
1362         HashWorking[0] = HashWorking[78] = *pwwnn++;
1363         HashWorking[1] = HashWorking[79] = *pwwnn;
1364
1365         for (t = 0; t < 7; t++)
1366                 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1367
1368         lpfc_sha_init(hbainit);
1369         lpfc_sha_iterate(hbainit, HashWorking);
1370         kfree(HashWorking);
1371 }
1372
1373 void
1374 lpfc_cleanup(struct lpfc_vport *vport)
1375 {
1376         struct lpfc_hba   *phba = vport->phba;
1377         struct lpfc_nodelist *ndlp, *next_ndlp;
1378         int i = 0;
1379
1380         if (phba->link_state > LPFC_LINK_DOWN)
1381                 lpfc_port_link_failure(vport);
1382
1383         list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1384                 if (ndlp->nlp_type & NLP_FABRIC)
1385                         lpfc_disc_state_machine(vport, ndlp, NULL,
1386                                         NLP_EVT_DEVICE_RECOVERY);
1387                 lpfc_disc_state_machine(vport, ndlp, NULL,
1388                                              NLP_EVT_DEVICE_RM);
1389         }
1390
1391         /* At this point, ALL ndlp's should be gone
1392          * because of the previous NLP_EVT_DEVICE_RM.
1393          * Lets wait for this to happen, if needed.
1394          */
1395         while (!list_empty(&vport->fc_nodes)) {
1396
1397                 if (i++ > 3000) {
1398                         lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1399                                 "0233 Nodelist not empty\n");
1400                         break;
1401                 }
1402
1403                 /* Wait for any activity on ndlps to settle */
1404                 msleep(10);
1405         }
1406         return;
1407 }
1408
1409 static void
1410 lpfc_establish_link_tmo(unsigned long ptr)
1411 {
1412         struct lpfc_hba   *phba = (struct lpfc_hba *) ptr;
1413         struct lpfc_vport **vports;
1414         unsigned long iflag;
1415         int i;
1416
1417         /* Re-establishing Link, timer expired */
1418         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1419                         "1300 Re-establishing Link, timer expired "
1420                         "Data: x%x x%x\n",
1421                         phba->pport->fc_flag, phba->pport->port_state);
1422         vports = lpfc_create_vport_work_array(phba);
1423         if (vports != NULL)
1424                 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1425                         struct Scsi_Host *shost;
1426                         shost = lpfc_shost_from_vport(vports[i]);
1427                         spin_lock_irqsave(shost->host_lock, iflag);
1428                         vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
1429                         spin_unlock_irqrestore(shost->host_lock, iflag);
1430                 }
1431         lpfc_destroy_vport_work_array(vports);
1432 }
1433
1434 void
1435 lpfc_stop_vport_timers(struct lpfc_vport *vport)
1436 {
1437         del_timer_sync(&vport->els_tmofunc);
1438         del_timer_sync(&vport->fc_fdmitmo);
1439         lpfc_can_disctmo(vport);
1440         return;
1441 }
1442
1443 static void
1444 lpfc_stop_phba_timers(struct lpfc_hba *phba)
1445 {
1446         del_timer_sync(&phba->fcp_poll_timer);
1447         del_timer_sync(&phba->fc_estabtmo);
1448         lpfc_stop_vport_timers(phba->pport);
1449         del_timer_sync(&phba->sli.mbox_tmo);
1450         del_timer_sync(&phba->fabric_block_timer);
1451         phba->hb_outstanding = 0;
1452         del_timer_sync(&phba->hb_tmofunc);
1453         return;
1454 }
1455
1456 static void
1457 lpfc_block_mgmt_io(struct lpfc_hba * phba)
1458 {
1459         unsigned long iflag;
1460
1461         spin_lock_irqsave(&phba->hbalock, iflag);
1462         phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
1463         spin_unlock_irqrestore(&phba->hbalock, iflag);
1464 }
1465
1466 int
1467 lpfc_online(struct lpfc_hba *phba)
1468 {
1469         struct lpfc_vport *vport = phba->pport;
1470         struct lpfc_vport **vports;
1471         int i;
1472
1473         if (!phba)
1474                 return 0;
1475
1476         if (!(vport->fc_flag & FC_OFFLINE_MODE))
1477                 return 0;
1478
1479         lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1480                         "0458 Bring Adapter online\n");
1481
1482         lpfc_block_mgmt_io(phba);
1483
1484         if (!lpfc_sli_queue_setup(phba)) {
1485                 lpfc_unblock_mgmt_io(phba);
1486                 return 1;
1487         }
1488
1489         if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1490                 lpfc_unblock_mgmt_io(phba);
1491                 return 1;
1492         }
1493
1494         vports = lpfc_create_vport_work_array(phba);
1495         if (vports != NULL)
1496                 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1497                         struct Scsi_Host *shost;
1498                         shost = lpfc_shost_from_vport(vports[i]);
1499                         spin_lock_irq(shost->host_lock);
1500                         vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
1501                         if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
1502                                 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1503                         spin_unlock_irq(shost->host_lock);
1504                 }
1505                 lpfc_destroy_vport_work_array(vports);
1506
1507         lpfc_unblock_mgmt_io(phba);
1508         return 0;
1509 }
1510
1511 void
1512 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1513 {
1514         unsigned long iflag;
1515
1516         spin_lock_irqsave(&phba->hbalock, iflag);
1517         phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
1518         spin_unlock_irqrestore(&phba->hbalock, iflag);
1519 }
1520
1521 void
1522 lpfc_offline_prep(struct lpfc_hba * phba)
1523 {
1524         struct lpfc_vport *vport = phba->pport;
1525         struct lpfc_nodelist  *ndlp, *next_ndlp;
1526         struct lpfc_vport **vports;
1527         int i;
1528
1529         if (vport->fc_flag & FC_OFFLINE_MODE)
1530                 return;
1531
1532         lpfc_block_mgmt_io(phba);
1533
1534         lpfc_linkdown(phba);
1535
1536         /* Issue an unreg_login to all nodes on all vports */
1537         vports = lpfc_create_vport_work_array(phba);
1538         if (vports != NULL) {
1539                 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1540                         struct Scsi_Host *shost;
1541
1542                         if (vports[i]->load_flag & FC_UNLOADING)
1543                                 continue;
1544                         shost = lpfc_shost_from_vport(vports[i]);
1545                         list_for_each_entry_safe(ndlp, next_ndlp,
1546                                                  &vports[i]->fc_nodes,
1547                                                  nlp_listp) {
1548                                 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
1549                                         continue;
1550                                 if (ndlp->nlp_type & NLP_FABRIC) {
1551                                         lpfc_disc_state_machine(vports[i], ndlp,
1552                                                 NULL, NLP_EVT_DEVICE_RECOVERY);
1553                                         lpfc_disc_state_machine(vports[i], ndlp,
1554                                                 NULL, NLP_EVT_DEVICE_RM);
1555                                 }
1556                                 spin_lock_irq(shost->host_lock);
1557                                 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
1558                                 spin_unlock_irq(shost->host_lock);
1559                                 lpfc_unreg_rpi(vports[i], ndlp);
1560                         }
1561                 }
1562         }
1563         lpfc_destroy_vport_work_array(vports);
1564
1565         lpfc_sli_flush_mbox_queue(phba);
1566 }
1567
1568 void
1569 lpfc_offline(struct lpfc_hba *phba)
1570 {
1571         struct Scsi_Host  *shost;
1572         struct lpfc_vport **vports;
1573         int i;
1574
1575         if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1576                 return;
1577
1578         /* stop all timers associated with this hba */
1579         lpfc_stop_phba_timers(phba);
1580         vports = lpfc_create_vport_work_array(phba);
1581         if (vports != NULL)
1582                 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++)
1583                         lpfc_stop_vport_timers(vports[i]);
1584         lpfc_destroy_vport_work_array(vports);
1585         lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1586                         "0460 Bring Adapter offline\n");
1587         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1588            now.  */
1589         lpfc_sli_hba_down(phba);
1590         spin_lock_irq(&phba->hbalock);
1591         phba->work_ha = 0;
1592         spin_unlock_irq(&phba->hbalock);
1593         vports = lpfc_create_vport_work_array(phba);
1594         if (vports != NULL)
1595                 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1596                         shost = lpfc_shost_from_vport(vports[i]);
1597                         spin_lock_irq(shost->host_lock);
1598                         vports[i]->work_port_events = 0;
1599                         vports[i]->fc_flag |= FC_OFFLINE_MODE;
1600                         spin_unlock_irq(shost->host_lock);
1601                 }
1602         lpfc_destroy_vport_work_array(vports);
1603 }
1604
1605 /******************************************************************************
1606 * Function name: lpfc_scsi_free
1607 *
1608 * Description: Called from lpfc_pci_remove_one free internal driver resources
1609 *
1610 ******************************************************************************/
1611 static int
1612 lpfc_scsi_free(struct lpfc_hba *phba)
1613 {
1614         struct lpfc_scsi_buf *sb, *sb_next;
1615         struct lpfc_iocbq *io, *io_next;
1616
1617         spin_lock_irq(&phba->hbalock);
1618         /* Release all the lpfc_scsi_bufs maintained by this host. */
1619         list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1620                 list_del(&sb->list);
1621                 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1622                               sb->dma_handle);
1623                 kfree(sb);
1624                 phba->total_scsi_bufs--;
1625         }
1626
1627         /* Release all the lpfc_iocbq entries maintained by this host. */
1628         list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1629                 list_del(&io->list);
1630                 kfree(io);
1631                 phba->total_iocbq_bufs--;
1632         }
1633
1634         spin_unlock_irq(&phba->hbalock);
1635
1636         return 0;
1637 }
1638
1639 struct lpfc_vport *
1640 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
1641 {
1642         struct lpfc_vport *vport;
1643         struct Scsi_Host  *shost;
1644         int error = 0;
1645
1646         if (dev != &phba->pcidev->dev)
1647                 shost = scsi_host_alloc(&lpfc_vport_template,
1648                                         sizeof(struct lpfc_vport));
1649         else
1650                 shost = scsi_host_alloc(&lpfc_template,
1651                                         sizeof(struct lpfc_vport));
1652         if (!shost)
1653                 goto out;
1654
1655         vport = (struct lpfc_vport *) shost->hostdata;
1656         vport->phba = phba;
1657
1658         vport->load_flag |= FC_LOADING;
1659         vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1660
1661         lpfc_get_vport_cfgparam(vport);
1662         shost->unique_id = instance;
1663         shost->max_id = LPFC_MAX_TARGET;
1664         shost->max_lun = vport->cfg_max_luns;
1665         shost->this_id = -1;
1666         shost->max_cmd_len = 16;
1667         /*
1668          * Set initial can_queue value since 0 is no longer supported and
1669          * scsi_add_host will fail. This will be adjusted later based on the
1670          * max xri value determined in hba setup.
1671          */
1672         shost->can_queue = phba->cfg_hba_queue_depth - 10;
1673         if (dev != &phba->pcidev->dev) {
1674                 shost->transportt = lpfc_vport_transport_template;
1675                 vport->port_type = LPFC_NPIV_PORT;
1676         } else {
1677                 shost->transportt = lpfc_transport_template;
1678                 vport->port_type = LPFC_PHYSICAL_PORT;
1679         }
1680
1681         /* Initialize all internally managed lists. */
1682         INIT_LIST_HEAD(&vport->fc_nodes);
1683         spin_lock_init(&vport->work_port_lock);
1684
1685         init_timer(&vport->fc_disctmo);
1686         vport->fc_disctmo.function = lpfc_disc_timeout;
1687         vport->fc_disctmo.data = (unsigned long)vport;
1688
1689         init_timer(&vport->fc_fdmitmo);
1690         vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
1691         vport->fc_fdmitmo.data = (unsigned long)vport;
1692
1693         init_timer(&vport->els_tmofunc);
1694         vport->els_tmofunc.function = lpfc_els_timeout;
1695         vport->els_tmofunc.data = (unsigned long)vport;
1696
1697         error = scsi_add_host(shost, dev);
1698         if (error)
1699                 goto out_put_shost;
1700
1701         spin_lock_irq(&phba->hbalock);
1702         list_add_tail(&vport->listentry, &phba->port_list);
1703         spin_unlock_irq(&phba->hbalock);
1704         return vport;
1705
1706 out_put_shost:
1707         scsi_host_put(shost);
1708 out:
1709         return NULL;
1710 }
1711
1712 void
1713 destroy_port(struct lpfc_vport *vport)
1714 {
1715         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1716         struct lpfc_hba  *phba = vport->phba;
1717
1718         kfree(vport->vname);
1719
1720         lpfc_debugfs_terminate(vport);
1721         fc_remove_host(shost);
1722         scsi_remove_host(shost);
1723
1724         spin_lock_irq(&phba->hbalock);
1725         list_del_init(&vport->listentry);
1726         spin_unlock_irq(&phba->hbalock);
1727
1728         lpfc_cleanup(vport);
1729         return;
1730 }
1731
1732 int
1733 lpfc_get_instance(void)
1734 {
1735         int instance = 0;
1736
1737         /* Assign an unused number */
1738         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1739                 return -1;
1740         if (idr_get_new(&lpfc_hba_index, NULL, &instance))
1741                 return -1;
1742         return instance;
1743 }
1744
1745 /*
1746  * Note: there is no scan_start function as adapter initialization
1747  * will have asynchronously kicked off the link initialization.
1748  */
1749
1750 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
1751 {
1752         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1753         struct lpfc_hba   *phba = vport->phba;
1754         int stat = 0;
1755
1756         spin_lock_irq(shost->host_lock);
1757
1758         if (vport->load_flag & FC_UNLOADING) {
1759                 stat = 1;
1760                 goto finished;
1761         }
1762         if (time >= 30 * HZ) {
1763                 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1764                                 "0461 Scanning longer than 30 "
1765                                 "seconds.  Continuing initialization\n");
1766                 stat = 1;
1767                 goto finished;
1768         }
1769         if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
1770                 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1771                                 "0465 Link down longer than 15 "
1772                                 "seconds.  Continuing initialization\n");
1773                 stat = 1;
1774                 goto finished;
1775         }
1776
1777         if (vport->port_state != LPFC_VPORT_READY)
1778                 goto finished;
1779         if (vport->num_disc_nodes || vport->fc_prli_sent)
1780                 goto finished;
1781         if (vport->fc_map_cnt == 0 && time < 2 * HZ)
1782                 goto finished;
1783         if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
1784                 goto finished;
1785
1786         stat = 1;
1787
1788 finished:
1789         spin_unlock_irq(shost->host_lock);
1790         return stat;
1791 }
1792
1793 void lpfc_host_attrib_init(struct Scsi_Host *shost)
1794 {
1795         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1796         struct lpfc_hba   *phba = vport->phba;
1797         /*
1798          * Set fixed host attributes.  Must done after lpfc_sli_hba_setup().
1799          */
1800
1801         fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
1802         fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
1803         fc_host_supported_classes(shost) = FC_COS_CLASS3;
1804
1805         memset(fc_host_supported_fc4s(shost), 0,
1806                sizeof(fc_host_supported_fc4s(shost)));
1807         fc_host_supported_fc4s(shost)[2] = 1;
1808         fc_host_supported_fc4s(shost)[7] = 1;
1809
1810         lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
1811                                  sizeof fc_host_symbolic_name(shost));
1812
1813         fc_host_supported_speeds(shost) = 0;
1814         if (phba->lmt & LMT_10Gb)
1815                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1816         if (phba->lmt & LMT_8Gb)
1817                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
1818         if (phba->lmt & LMT_4Gb)
1819                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
1820         if (phba->lmt & LMT_2Gb)
1821                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
1822         if (phba->lmt & LMT_1Gb)
1823                 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
1824
1825         fc_host_maxframe_size(shost) =
1826                 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1827                 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1828
1829         /* This value is also unchanging */
1830         memset(fc_host_active_fc4s(shost), 0,
1831                sizeof(fc_host_active_fc4s(shost)));
1832         fc_host_active_fc4s(shost)[2] = 1;
1833         fc_host_active_fc4s(shost)[7] = 1;
1834
1835         fc_host_max_npiv_vports(shost) = phba->max_vpi;
1836         spin_lock_irq(shost->host_lock);
1837         vport->load_flag &= ~FC_LOADING;
1838         spin_unlock_irq(shost->host_lock);
1839 }
1840
1841 static int __devinit
1842 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1843 {
1844         struct lpfc_vport *vport = NULL;
1845         struct lpfc_hba   *phba;
1846         struct lpfc_sli   *psli;
1847         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1848         struct Scsi_Host  *shost = NULL;
1849         void *ptr;
1850         unsigned long bar0map_len, bar2map_len;
1851         int error = -ENODEV, retval;
1852         int  i, hbq_count;
1853         uint16_t iotag;
1854
1855         if (pci_enable_device(pdev))
1856                 goto out;
1857         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1858                 goto out_disable_device;
1859
1860         phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
1861         if (!phba)
1862                 goto out_release_regions;
1863
1864         spin_lock_init(&phba->hbalock);
1865
1866         phba->pcidev = pdev;
1867
1868         /* Assign an unused board number */
1869         if ((phba->brd_no = lpfc_get_instance()) < 0)
1870                 goto out_free_phba;
1871
1872         INIT_LIST_HEAD(&phba->port_list);
1873         /*
1874          * Get all the module params for configuring this host and then
1875          * establish the host.
1876          */
1877         lpfc_get_cfgparam(phba);
1878         phba->max_vpi = LPFC_MAX_VPI;
1879
1880         /* Initialize timers used by driver */
1881         init_timer(&phba->fc_estabtmo);
1882         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1883         phba->fc_estabtmo.data = (unsigned long)phba;
1884
1885         init_timer(&phba->hb_tmofunc);
1886         phba->hb_tmofunc.function = lpfc_hb_timeout;
1887         phba->hb_tmofunc.data = (unsigned long)phba;
1888
1889         psli = &phba->sli;
1890         init_timer(&psli->mbox_tmo);
1891         psli->mbox_tmo.function = lpfc_mbox_timeout;
1892         psli->mbox_tmo.data = (unsigned long) phba;
1893         init_timer(&phba->fcp_poll_timer);
1894         phba->fcp_poll_timer.function = lpfc_poll_timeout;
1895         phba->fcp_poll_timer.data = (unsigned long) phba;
1896         init_timer(&phba->fabric_block_timer);
1897         phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
1898         phba->fabric_block_timer.data = (unsigned long) phba;
1899
1900         pci_set_master(pdev);
1901         pci_try_set_mwi(pdev);
1902
1903         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1904                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1905                         goto out_idr_remove;
1906
1907         /*
1908          * Get the bus address of Bar0 and Bar2 and the number of bytes
1909          * required by each mapping.
1910          */
1911         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1912         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1913
1914         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1915         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1916
1917         /* Map HBA SLIM to a kernel virtual address. */
1918         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1919         if (!phba->slim_memmap_p) {
1920                 error = -ENODEV;
1921                 dev_printk(KERN_ERR, &pdev->dev,
1922                            "ioremap failed for SLIM memory.\n");
1923                 goto out_idr_remove;
1924         }
1925
1926         /* Map HBA Control Registers to a kernel virtual address. */
1927         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1928         if (!phba->ctrl_regs_memmap_p) {
1929                 error = -ENODEV;
1930                 dev_printk(KERN_ERR, &pdev->dev,
1931                            "ioremap failed for HBA control registers.\n");
1932                 goto out_iounmap_slim;
1933         }
1934
1935         /* Allocate memory for SLI-2 structures */
1936         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1937                                           &phba->slim2p_mapping, GFP_KERNEL);
1938         if (!phba->slim2p)
1939                 goto out_iounmap;
1940
1941         memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1942
1943         phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
1944                                                  lpfc_sli_hbq_size(),
1945                                                  &phba->hbqslimp.phys,
1946                                                  GFP_KERNEL);
1947         if (!phba->hbqslimp.virt)
1948                 goto out_free_slim;
1949
1950         hbq_count = lpfc_sli_hbq_count();
1951         ptr = phba->hbqslimp.virt;
1952         for (i = 0; i < hbq_count; ++i) {
1953                 phba->hbqs[i].hbq_virt = ptr;
1954                 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
1955                 ptr += (lpfc_hbq_defs[i]->entry_count *
1956                         sizeof(struct lpfc_hbq_entry));
1957         }
1958         phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
1959         phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer  = lpfc_els_hbq_free;
1960
1961         memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
1962
1963         /* Initialize the SLI Layer to run with lpfc HBAs. */
1964         lpfc_sli_setup(phba);
1965         lpfc_sli_queue_setup(phba);
1966
1967         retval = lpfc_mem_alloc(phba);
1968         if (retval) {
1969                 error = retval;
1970                 goto out_free_hbqslimp;
1971         }
1972
1973         /* Initialize and populate the iocb list per host.  */
1974         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1975         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1976                 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1977                 if (iocbq_entry == NULL) {
1978                         printk(KERN_ERR "%s: only allocated %d iocbs of "
1979                                 "expected %d count. Unloading driver.\n",
1980                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1981                         error = -ENOMEM;
1982                         goto out_free_iocbq;
1983                 }
1984
1985                 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1986                 if (iotag == 0) {
1987                         kfree (iocbq_entry);
1988                         printk(KERN_ERR "%s: failed to allocate IOTAG. "
1989                                "Unloading driver.\n",
1990                                 __FUNCTION__);
1991                         error = -ENOMEM;
1992                         goto out_free_iocbq;
1993                 }
1994
1995                 spin_lock_irq(&phba->hbalock);
1996                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1997                 phba->total_iocbq_bufs++;
1998                 spin_unlock_irq(&phba->hbalock);
1999         }
2000
2001         /* Initialize HBA structure */
2002         phba->fc_edtov = FF_DEF_EDTOV;
2003         phba->fc_ratov = FF_DEF_RATOV;
2004         phba->fc_altov = FF_DEF_ALTOV;
2005         phba->fc_arbtov = FF_DEF_ARBTOV;
2006
2007         INIT_LIST_HEAD(&phba->work_list);
2008         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
2009         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
2010
2011         /* Startup the kernel thread for this host adapter. */
2012         phba->worker_thread = kthread_run(lpfc_do_work, phba,
2013                                        "lpfc_worker_%d", phba->brd_no);
2014         if (IS_ERR(phba->worker_thread)) {
2015                 error = PTR_ERR(phba->worker_thread);
2016                 goto out_free_iocbq;
2017         }
2018
2019         /* Initialize the list of scsi buffers used by driver for scsi IO. */
2020         spin_lock_init(&phba->scsi_buf_list_lock);
2021         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
2022
2023         /* Initialize list of fabric iocbs */
2024         INIT_LIST_HEAD(&phba->fabric_iocb_list);
2025
2026         /* Initialize list to save ELS buffers */
2027         INIT_LIST_HEAD(&phba->elsbuf);
2028
2029         vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
2030         if (!vport)
2031                 goto out_kthread_stop;
2032
2033         shost = lpfc_shost_from_vport(vport);
2034         phba->pport = vport;
2035         lpfc_debugfs_initialize(vport);
2036
2037         pci_set_drvdata(pdev, shost);
2038
2039         if (phba->cfg_use_msi) {
2040                 retval = pci_enable_msi(phba->pcidev);
2041                 if (!retval)
2042                         phba->using_msi = 1;
2043                 else
2044                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2045                                         "0452 Enable MSI failed, continuing "
2046                                         "with IRQ\n");
2047         }
2048
2049         retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
2050                             LPFC_DRIVER_NAME, phba);
2051         if (retval) {
2052                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2053                         "0451 Enable interrupt handler failed\n");
2054                 error = retval;
2055                 goto out_disable_msi;
2056         }
2057
2058         phba->MBslimaddr = phba->slim_memmap_p;
2059         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
2060         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
2061         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
2062         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
2063
2064         if (lpfc_alloc_sysfs_attr(vport)) {
2065                 error = -ENOMEM;
2066                 goto out_free_irq;
2067         }
2068
2069         if (lpfc_sli_hba_setup(phba)) {
2070                 error = -ENODEV;
2071                 goto out_remove_device;
2072         }
2073
2074         /*
2075          * hba setup may have changed the hba_queue_depth so we need to adjust
2076          * the value of can_queue.
2077          */
2078         shost->can_queue = phba->cfg_hba_queue_depth - 10;
2079
2080         lpfc_host_attrib_init(shost);
2081
2082         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
2083                 spin_lock_irq(shost->host_lock);
2084                 lpfc_poll_start_timer(phba);
2085                 spin_unlock_irq(shost->host_lock);
2086         }
2087
2088         scsi_scan_host(shost);
2089
2090         return 0;
2091
2092 out_remove_device:
2093         lpfc_free_sysfs_attr(vport);
2094         spin_lock_irq(shost->host_lock);
2095         vport->load_flag |= FC_UNLOADING;
2096         spin_unlock_irq(shost->host_lock);
2097 out_free_irq:
2098         lpfc_stop_phba_timers(phba);
2099         phba->pport->work_port_events = 0;
2100         free_irq(phba->pcidev->irq, phba);
2101 out_disable_msi:
2102         if (phba->using_msi)
2103                 pci_disable_msi(phba->pcidev);
2104         destroy_port(vport);
2105 out_kthread_stop:
2106         kthread_stop(phba->worker_thread);
2107 out_free_iocbq:
2108         list_for_each_entry_safe(iocbq_entry, iocbq_next,
2109                                                 &phba->lpfc_iocb_list, list) {
2110                 kfree(iocbq_entry);
2111                 phba->total_iocbq_bufs--;
2112         }
2113         lpfc_mem_free(phba);
2114 out_free_hbqslimp:
2115         dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2116                           phba->hbqslimp.phys);
2117 out_free_slim:
2118         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
2119                                                         phba->slim2p_mapping);
2120 out_iounmap:
2121         iounmap(phba->ctrl_regs_memmap_p);
2122 out_iounmap_slim:
2123         iounmap(phba->slim_memmap_p);
2124 out_idr_remove:
2125         idr_remove(&lpfc_hba_index, phba->brd_no);
2126 out_free_phba:
2127         kfree(phba);
2128 out_release_regions:
2129         pci_release_regions(pdev);
2130 out_disable_device:
2131         pci_disable_device(pdev);
2132 out:
2133         pci_set_drvdata(pdev, NULL);
2134         if (shost)
2135                 scsi_host_put(shost);
2136         return error;
2137 }
2138
2139 static void __devexit
2140 lpfc_pci_remove_one(struct pci_dev *pdev)
2141 {
2142         struct Scsi_Host  *shost = pci_get_drvdata(pdev);
2143         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2144         struct lpfc_hba   *phba = vport->phba;
2145         spin_lock_irq(&phba->hbalock);
2146         vport->load_flag |= FC_UNLOADING;
2147         spin_unlock_irq(&phba->hbalock);
2148
2149         kfree(vport->vname);
2150         lpfc_free_sysfs_attr(vport);
2151
2152         fc_remove_host(shost);
2153         scsi_remove_host(shost);
2154         lpfc_cleanup(vport);
2155
2156         /*
2157          * Bring down the SLI Layer. This step disable all interrupts,
2158          * clears the rings, discards all mailbox commands, and resets
2159          * the HBA.
2160          */
2161         lpfc_sli_hba_down(phba);
2162         lpfc_sli_brdrestart(phba);
2163
2164         lpfc_stop_phba_timers(phba);
2165         spin_lock_irq(&phba->hbalock);
2166         list_del_init(&vport->listentry);
2167         spin_unlock_irq(&phba->hbalock);
2168
2169         lpfc_debugfs_terminate(vport);
2170
2171         kthread_stop(phba->worker_thread);
2172
2173         /* Release the irq reservation */
2174         free_irq(phba->pcidev->irq, phba);
2175         if (phba->using_msi)
2176                 pci_disable_msi(phba->pcidev);
2177
2178         pci_set_drvdata(pdev, NULL);
2179         scsi_host_put(shost);
2180
2181         /*
2182          * Call scsi_free before mem_free since scsi bufs are released to their
2183          * corresponding pools here.
2184          */
2185         lpfc_scsi_free(phba);
2186         lpfc_mem_free(phba);
2187
2188         dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
2189                           phba->hbqslimp.phys);
2190
2191         /* Free resources associated with SLI2 interface */
2192         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
2193                           phba->slim2p, phba->slim2p_mapping);
2194
2195         /* unmap adapter SLIM and Control Registers */
2196         iounmap(phba->ctrl_regs_memmap_p);
2197         iounmap(phba->slim_memmap_p);
2198
2199         idr_remove(&lpfc_hba_index, phba->brd_no);
2200
2201         kfree(phba);
2202
2203         pci_release_regions(pdev);
2204         pci_disable_device(pdev);
2205 }
2206
2207 /**
2208  * lpfc_io_error_detected - called when PCI error is detected
2209  * @pdev: Pointer to PCI device
2210  * @state: The current pci conneection state
2211  *
2212  * This function is called after a PCI bus error affecting
2213  * this device has been detected.
2214  */
2215 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2216                                 pci_channel_state_t state)
2217 {
2218         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2219         struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2220         struct lpfc_sli *psli = &phba->sli;
2221         struct lpfc_sli_ring  *pring;
2222
2223         if (state == pci_channel_io_perm_failure)
2224                 return PCI_ERS_RESULT_DISCONNECT;
2225
2226         pci_disable_device(pdev);
2227         /*
2228          * There may be I/Os dropped by the firmware.
2229          * Error iocb (I/O) on txcmplq and let the SCSI layer
2230          * retry it after re-establishing link.
2231          */
2232         pring = &psli->ring[psli->fcp_ring];
2233         lpfc_sli_abort_iocb_ring(phba, pring);
2234
2235         /* Release the irq reservation */
2236         free_irq(phba->pcidev->irq, phba);
2237         if (phba->using_msi)
2238                 pci_disable_msi(phba->pcidev);
2239
2240         /* Request a slot reset. */
2241         return PCI_ERS_RESULT_NEED_RESET;
2242 }
2243
2244 /**
2245  * lpfc_io_slot_reset - called after the pci bus has been reset.
2246  * @pdev: Pointer to PCI device
2247  *
2248  * Restart the card from scratch, as if from a cold-boot.
2249  */
2250 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
2251 {
2252         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2253         struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2254         struct lpfc_sli *psli = &phba->sli;
2255         int bars = pci_select_bars(pdev, IORESOURCE_MEM);
2256
2257         dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2258         if (pci_enable_device_bars(pdev, bars)) {
2259                 printk(KERN_ERR "lpfc: Cannot re-enable "
2260                         "PCI device after reset.\n");
2261                 return PCI_ERS_RESULT_DISCONNECT;
2262         }
2263
2264         pci_set_master(pdev);
2265
2266         /* Re-establishing Link */
2267         spin_lock_irq(shost->host_lock);
2268         phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2269         spin_unlock_irq(shost->host_lock);
2270
2271         spin_lock_irq(&phba->hbalock);
2272         psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2273         spin_unlock_irq(&phba->hbalock);
2274
2275
2276         /* Take device offline; this will perform cleanup */
2277         lpfc_offline(phba);
2278         lpfc_sli_brdrestart(phba);
2279
2280         return PCI_ERS_RESULT_RECOVERED;
2281 }
2282
2283 /**
2284  * lpfc_io_resume - called when traffic can start flowing again.
2285  * @pdev: Pointer to PCI device
2286  *
2287  * This callback is called when the error recovery driver tells us that
2288  * its OK to resume normal operation.
2289  */
2290 static void lpfc_io_resume(struct pci_dev *pdev)
2291 {
2292         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2293         struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2294
2295         if (lpfc_online(phba) == 0) {
2296                 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2297         }
2298 }
2299
2300 static struct pci_device_id lpfc_id_table[] = {
2301         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
2302                 PCI_ANY_ID, PCI_ANY_ID, },
2303         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
2304                 PCI_ANY_ID, PCI_ANY_ID, },
2305         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
2306                 PCI_ANY_ID, PCI_ANY_ID, },
2307         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
2308                 PCI_ANY_ID, PCI_ANY_ID, },
2309         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
2310                 PCI_ANY_ID, PCI_ANY_ID, },
2311         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
2312                 PCI_ANY_ID, PCI_ANY_ID, },
2313         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
2314                 PCI_ANY_ID, PCI_ANY_ID, },
2315         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
2316                 PCI_ANY_ID, PCI_ANY_ID, },
2317         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
2318                 PCI_ANY_ID, PCI_ANY_ID, },
2319         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
2320                 PCI_ANY_ID, PCI_ANY_ID, },
2321         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
2322                 PCI_ANY_ID, PCI_ANY_ID, },
2323         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
2324                 PCI_ANY_ID, PCI_ANY_ID, },
2325         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
2326                 PCI_ANY_ID, PCI_ANY_ID, },
2327         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
2328                 PCI_ANY_ID, PCI_ANY_ID, },
2329         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
2330                 PCI_ANY_ID, PCI_ANY_ID, },
2331         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
2332                 PCI_ANY_ID, PCI_ANY_ID, },
2333         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
2334                 PCI_ANY_ID, PCI_ANY_ID, },
2335         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
2336                 PCI_ANY_ID, PCI_ANY_ID, },
2337         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
2338                 PCI_ANY_ID, PCI_ANY_ID, },
2339         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
2340                 PCI_ANY_ID, PCI_ANY_ID, },
2341         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
2342                 PCI_ANY_ID, PCI_ANY_ID, },
2343         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
2344                 PCI_ANY_ID, PCI_ANY_ID, },
2345         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
2346                 PCI_ANY_ID, PCI_ANY_ID, },
2347         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
2348                 PCI_ANY_ID, PCI_ANY_ID, },
2349         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
2350                 PCI_ANY_ID, PCI_ANY_ID, },
2351         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
2352                 PCI_ANY_ID, PCI_ANY_ID, },
2353         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
2354                 PCI_ANY_ID, PCI_ANY_ID, },
2355         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
2356                 PCI_ANY_ID, PCI_ANY_ID, },
2357         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
2358                 PCI_ANY_ID, PCI_ANY_ID, },
2359         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
2360                 PCI_ANY_ID, PCI_ANY_ID, },
2361         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
2362                 PCI_ANY_ID, PCI_ANY_ID, },
2363         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
2364                 PCI_ANY_ID, PCI_ANY_ID, },
2365         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
2366                 PCI_ANY_ID, PCI_ANY_ID, },
2367         { 0 }
2368 };
2369
2370 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
2371
2372 static struct pci_error_handlers lpfc_err_handler = {
2373         .error_detected = lpfc_io_error_detected,
2374         .slot_reset = lpfc_io_slot_reset,
2375         .resume = lpfc_io_resume,
2376 };
2377
2378 static struct pci_driver lpfc_driver = {
2379         .name           = LPFC_DRIVER_NAME,
2380         .id_table       = lpfc_id_table,
2381         .probe          = lpfc_pci_probe_one,
2382         .remove         = __devexit_p(lpfc_pci_remove_one),
2383         .err_handler    = &lpfc_err_handler,
2384 };
2385
2386 static int __init
2387 lpfc_init(void)
2388 {
2389         int error = 0;
2390
2391         printk(LPFC_MODULE_DESC "\n");
2392         printk(LPFC_COPYRIGHT "\n");
2393
2394         if (lpfc_enable_npiv) {
2395                 lpfc_transport_functions.vport_create = lpfc_vport_create;
2396                 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
2397         }
2398         lpfc_transport_template =
2399                                 fc_attach_transport(&lpfc_transport_functions);
2400         if (lpfc_transport_template == NULL)
2401                 return -ENOMEM;
2402         if (lpfc_enable_npiv) {
2403                 lpfc_vport_transport_template =
2404                         fc_attach_transport(&lpfc_vport_transport_functions);
2405                 if (lpfc_vport_transport_template == NULL) {
2406                         fc_release_transport(lpfc_transport_template);
2407                         return -ENOMEM;
2408                 }
2409         }
2410         error = pci_register_driver(&lpfc_driver);
2411         if (error) {
2412                 fc_release_transport(lpfc_transport_template);
2413                 fc_release_transport(lpfc_vport_transport_template);
2414         }
2415
2416         return error;
2417 }
2418
2419 static void __exit
2420 lpfc_exit(void)
2421 {
2422         pci_unregister_driver(&lpfc_driver);
2423         fc_release_transport(lpfc_transport_template);
2424         if (lpfc_enable_npiv)
2425                 fc_release_transport(lpfc_vport_transport_template);
2426 }
2427
2428 module_init(lpfc_init);
2429 module_exit(lpfc_exit);
2430 MODULE_LICENSE("GPL");
2431 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2432 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2433 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);