git.oblomov.eu Git - linux-2.6/blob - drivers/scsi/lpfc/lpfc_init.c

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