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) 2004-2006 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
  31 #include <scsi/scsi.h>
  32 #include <scsi/scsi_device.h>
  33 #include <scsi/scsi_host.h>
  34 #include <scsi/scsi_transport_fc.h>
  35
  36 #include "lpfc_hw.h"
  37 #include "lpfc_sli.h"
  38 #include "lpfc_disc.h"
  39 #include "lpfc_scsi.h"
  40 #include "lpfc.h"
  41 #include "lpfc_logmsg.h"
  42 #include "lpfc_crtn.h"
  43 #include "lpfc_version.h"
  44
  45 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
  46 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
  47 static int lpfc_post_rcv_buf(struct lpfc_hba *);
  48
  49 static struct scsi_transport_template *lpfc_transport_template = NULL;
  50 static DEFINE_IDR(lpfc_hba_index);
  51
  52 /************************************************************************/
  53 /*                                                                      */
  54 /*    lpfc_config_port_prep                                             */
  55 /*    This routine will do LPFC initialization prior to the             */
  56 /*    CONFIG_PORT mailbox command. This will be initialized             */
  57 /*    as a SLI layer callback routine.                                  */
  58 /*    This routine returns 0 on success or -ERESTART if it wants        */
  59 /*    the SLI layer to reset the HBA and try again. Any                 */
  60 /*    other return value indicates an error.                            */
  61 /*                                                                      */
  62 /************************************************************************/
  63 int
  64 lpfc_config_port_prep(struct lpfc_hba * phba)
  65 {
  66         lpfc_vpd_t *vp = &phba->vpd;
  67         int i = 0, rc;
  68         LPFC_MBOXQ_t *pmb;
  69         MAILBOX_t *mb;
  70         char *lpfc_vpd_data = NULL;
  71         uint16_t offset = 0;
  72         static char licensed[56] =
  73                     "key unlock for use with gnu public licensed code only\0";
  74         static int init_key = 1;
  75
  76         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
  77         if (!pmb) {
  78                 phba->hba_state = LPFC_HBA_ERROR;
  79                 return -ENOMEM;
  80         }
  81
  82         mb = &pmb->mb;
  83         phba->hba_state = LPFC_INIT_MBX_CMDS;
  84
  85         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
  86                 if (init_key) {
  87                         uint32_t *ptext = (uint32_t *) licensed;
  88
  89                         for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
  90                                 *ptext = cpu_to_be32(*ptext);
  91                         init_key = 0;
  92                 }
  93
  94                 lpfc_read_nv(phba, pmb);
  95                 memset((char*)mb->un.varRDnvp.rsvd3, 0,
  96                         sizeof (mb->un.varRDnvp.rsvd3));
  97                 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
  98                          sizeof (licensed));
  99
 100                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 101
 102                 if (rc != MBX_SUCCESS) {
 103                         lpfc_printf_log(phba,
 104                                         KERN_ERR,
 105                                         LOG_MBOX,
 106                                         "%d:0324 Config Port initialization "
 107                                         "error, mbxCmd x%x READ_NVPARM, "
 108                                         "mbxStatus x%x\n",
 109                                         phba->brd_no,
 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 (mb->un.varRDnvp.nodename));
 116         }
 117
 118         /* Setup and issue mailbox READ REV command */
 119         lpfc_read_rev(phba, pmb);
 120         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 121         if (rc != MBX_SUCCESS) {
 122                 lpfc_printf_log(phba,
 123                                 KERN_ERR,
 124                                 LOG_INIT,
 125                                 "%d:0439 Adapter failed to init, mbxCmd x%x "
 126                                 "READ_REV, mbxStatus x%x\n",
 127                                 phba->brd_no,
 128                                 mb->mbxCommand, mb->mbxStatus);
 129                 mempool_free( pmb, phba->mbox_mem_pool);
 130                 return -ERESTART;
 131         }
 132
 133         /*
 134          * The value of rr must be 1 since the driver set the cv field to 1.
 135          * This setting requires the FW to set all revision fields.
 136          */
 137         if (mb->un.varRdRev.rr == 0) {
 138                 vp->rev.rBit = 0;
 139                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 140                                 "%d:0440 Adapter failed to init, READ_REV has "
 141                                 "missing revision information.\n",
 142                                 phba->brd_no);
 143                 mempool_free(pmb, phba->mbox_mem_pool);
 144                 return -ERESTART;
 145         }
 146
 147         /* Save information as VPD data */
 148         vp->rev.rBit = 1;
 149         vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
 150         memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
 151         vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
 152         memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
 153         vp->rev.biuRev = mb->un.varRdRev.biuRev;
 154         vp->rev.smRev = mb->un.varRdRev.smRev;
 155         vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
 156         vp->rev.endecRev = mb->un.varRdRev.endecRev;
 157         vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
 158         vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
 159         vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
 160         vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
 161         vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
 162         vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
 163
 164         if (lpfc_is_LC_HBA(phba->pcidev->device))
 165                 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
 166                                                 sizeof (phba->RandomData));
 167
 168         /* Get adapter VPD information */
 169         pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
 170         if (!pmb->context2)
 171                 goto out_free_mbox;
 172         lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
 173         if (!lpfc_vpd_data)
 174                 goto out_free_context2;
 175
 176         do {
 177                 lpfc_dump_mem(phba, pmb, offset);
 178                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 179
 180                 if (rc != MBX_SUCCESS) {
 181                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 182                                         "%d:0441 VPD not present on adapter, "
 183                                         "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
 184                                         phba->brd_no,
 185                                         mb->mbxCommand, mb->mbxStatus);
 186                         mb->un.varDmp.word_cnt = 0;
 187                 }
 188                 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
 189                         mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
 190                 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
 191                                                         mb->un.varDmp.word_cnt);
 192                 offset += mb->un.varDmp.word_cnt;
 193         } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
 194         lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
 195
 196         kfree(lpfc_vpd_data);
 197 out_free_context2:
 198         kfree(pmb->context2);
 199 out_free_mbox:
 200         mempool_free(pmb, phba->mbox_mem_pool);
 201         return 0;
 202 }
 203
 204 /************************************************************************/
 205 /*                                                                      */
 206 /*    lpfc_config_port_post                                             */
 207 /*    This routine will do LPFC initialization after the                */
 208 /*    CONFIG_PORT mailbox command. This will be initialized             */
 209 /*    as a SLI layer callback routine.                                  */
 210 /*    This routine returns 0 on success. Any other return value         */
 211 /*    indicates an error.                                               */
 212 /*                                                                      */
 213 /************************************************************************/
 214 int
 215 lpfc_config_port_post(struct lpfc_hba * phba)
 216 {
 217         LPFC_MBOXQ_t *pmb;
 218         MAILBOX_t *mb;
 219         struct lpfc_dmabuf *mp;
 220         struct lpfc_sli *psli = &phba->sli;
 221         uint32_t status, timeout;
 222         int i, j, rc;
 223
 224         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 225         if (!pmb) {
 226                 phba->hba_state = LPFC_HBA_ERROR;
 227                 return -ENOMEM;
 228         }
 229         mb = &pmb->mb;
 230
 231         lpfc_config_link(phba, pmb);
 232         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 233         if (rc != MBX_SUCCESS) {
 234                 lpfc_printf_log(phba,
 235                                 KERN_ERR,
 236                                 LOG_INIT,
 237                                 "%d:0447 Adapter failed init, mbxCmd x%x "
 238                                 "CONFIG_LINK mbxStatus x%x\n",
 239                                 phba->brd_no,
 240                                 mb->mbxCommand, mb->mbxStatus);
 241                 phba->hba_state = LPFC_HBA_ERROR;
 242                 mempool_free( pmb, phba->mbox_mem_pool);
 243                 return -EIO;
 244         }
 245
 246         /* Get login parameters for NID.  */
 247         lpfc_read_sparam(phba, pmb);
 248         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 249                 lpfc_printf_log(phba,
 250                                 KERN_ERR,
 251                                 LOG_INIT,
 252                                 "%d:0448 Adapter failed init, mbxCmd x%x "
 253                                 "READ_SPARM mbxStatus x%x\n",
 254                                 phba->brd_no,
 255                                 mb->mbxCommand, mb->mbxStatus);
 256                 phba->hba_state = LPFC_HBA_ERROR;
 257                 mp = (struct lpfc_dmabuf *) pmb->context1;
 258                 mempool_free( pmb, phba->mbox_mem_pool);
 259                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 260                 kfree(mp);
 261                 return -EIO;
 262         }
 263
 264         mp = (struct lpfc_dmabuf *) pmb->context1;
 265
 266         memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
 267         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 268         kfree(mp);
 269         pmb->context1 = NULL;
 270
 271         if (phba->cfg_soft_wwpn)
 272                 u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn);
 273         memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
 274                sizeof (struct lpfc_name));
 275         memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
 276                sizeof (struct lpfc_name));
 277         /* If no serial number in VPD data, use low 6 bytes of WWNN */
 278         /* This should be consolidated into parse_vpd ? - mr */
 279         if (phba->SerialNumber[0] == 0) {
 280                 uint8_t *outptr;
 281
 282                 outptr = &phba->fc_nodename.u.s.IEEE[0];
 283                 for (i = 0; i < 12; i++) {
 284                         status = *outptr++;
 285                         j = ((status & 0xf0) >> 4);
 286                         if (j <= 9)
 287                                 phba->SerialNumber[i] =
 288                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 289                         else
 290                                 phba->SerialNumber[i] =
 291                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 292                         i++;
 293                         j = (status & 0xf);
 294                         if (j <= 9)
 295                                 phba->SerialNumber[i] =
 296                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 297                         else
 298                                 phba->SerialNumber[i] =
 299                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 300                 }
 301         }
 302
 303         lpfc_read_config(phba, pmb);
 304         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 305                 lpfc_printf_log(phba,
 306                                 KERN_ERR,
 307                                 LOG_INIT,
 308                                 "%d:0453 Adapter failed to init, mbxCmd x%x "
 309                                 "READ_CONFIG, mbxStatus x%x\n",
 310                                 phba->brd_no,
 311                                 mb->mbxCommand, mb->mbxStatus);
 312                 phba->hba_state = LPFC_HBA_ERROR;
 313                 mempool_free( pmb, phba->mbox_mem_pool);
 314                 return -EIO;
 315         }
 316
 317         /* Reset the DFT_HBA_Q_DEPTH to the max xri  */
 318         if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
 319                 phba->cfg_hba_queue_depth =
 320                         mb->un.varRdConfig.max_xri + 1;
 321
 322         phba->lmt = mb->un.varRdConfig.lmt;
 323
 324         /* Get the default values for Model Name and Description */
 325         lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
 326
 327         if ((phba->cfg_link_speed > LINK_SPEED_10G)
 328             || ((phba->cfg_link_speed == LINK_SPEED_1G)
 329                 && !(phba->lmt & LMT_1Gb))
 330             || ((phba->cfg_link_speed == LINK_SPEED_2G)
 331                 && !(phba->lmt & LMT_2Gb))
 332             || ((phba->cfg_link_speed == LINK_SPEED_4G)
 333                 && !(phba->lmt & LMT_4Gb))
 334             || ((phba->cfg_link_speed == LINK_SPEED_8G)
 335                 && !(phba->lmt & LMT_8Gb))
 336             || ((phba->cfg_link_speed == LINK_SPEED_10G)
 337                 && !(phba->lmt & LMT_10Gb))) {
 338                 /* Reset link speed to auto */
 339                 lpfc_printf_log(phba,
 340                         KERN_WARNING,
 341                         LOG_LINK_EVENT,
 342                         "%d:1302 Invalid speed for this board: "
 343                         "Reset link speed to auto: x%x\n",
 344                         phba->brd_no,
 345                         phba->cfg_link_speed);
 346                         phba->cfg_link_speed = LINK_SPEED_AUTO;
 347         }
 348
 349         phba->hba_state = LPFC_LINK_DOWN;
 350
 351         /* Only process IOCBs on ring 0 till hba_state is READY */
 352         if (psli->ring[psli->ip_ring].cmdringaddr)
 353                 psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT;
 354         if (psli->ring[psli->fcp_ring].cmdringaddr)
 355                 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
 356         if (psli->ring[psli->next_ring].cmdringaddr)
 357                 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
 358
 359         /* Post receive buffers for desired rings */
 360         lpfc_post_rcv_buf(phba);
 361
 362         /* Enable appropriate host interrupts */
 363         spin_lock_irq(phba->host->host_lock);
 364         status = readl(phba->HCregaddr);
 365         status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
 366         if (psli->num_rings > 0)
 367                 status |= HC_R0INT_ENA;
 368         if (psli->num_rings > 1)
 369                 status |= HC_R1INT_ENA;
 370         if (psli->num_rings > 2)
 371                 status |= HC_R2INT_ENA;
 372         if (psli->num_rings > 3)
 373                 status |= HC_R3INT_ENA;
 374
 375         if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
 376             (phba->cfg_poll & DISABLE_FCP_RING_INT))
 377                 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
 378
 379         writel(status, phba->HCregaddr);
 380         readl(phba->HCregaddr); /* flush */
 381         spin_unlock_irq(phba->host->host_lock);
 382
 383         /*
 384          * Setup the ring 0 (els)  timeout handler
 385          */
 386         timeout = phba->fc_ratov << 1;
 387         phba->els_tmofunc.expires = jiffies + HZ * timeout;
 388         add_timer(&phba->els_tmofunc);
 389
 390         lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
 391         pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 392         if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) {
 393                 lpfc_printf_log(phba,
 394                                 KERN_ERR,
 395                                 LOG_INIT,
 396                                 "%d:0454 Adapter failed to init, mbxCmd x%x "
 397                                 "INIT_LINK, mbxStatus x%x\n",
 398                                 phba->brd_no,
 399                                 mb->mbxCommand, mb->mbxStatus);
 400
 401                 /* Clear all interrupt enable conditions */
 402                 writel(0, phba->HCregaddr);
 403                 readl(phba->HCregaddr); /* flush */
 404                 /* Clear all pending interrupts */
 405                 writel(0xffffffff, phba->HAregaddr);
 406                 readl(phba->HAregaddr); /* flush */
 407
 408                 phba->hba_state = LPFC_HBA_ERROR;
 409                 mempool_free(pmb, phba->mbox_mem_pool);
 410                 return -EIO;
 411         }
 412         /* MBOX buffer will be freed in mbox compl */
 413
 414         return (0);
 415 }
 416
 417 static int
 418 lpfc_discovery_wait(struct lpfc_hba *phba)
 419 {
 420         int i = 0;
 421
 422         while ((phba->hba_state != LPFC_HBA_READY) ||
 423                (phba->num_disc_nodes) || (phba->fc_prli_sent) ||
 424                ((phba->fc_map_cnt == 0) && (i<2)) ||
 425                (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
 426                 /* Check every second for 30 retries. */
 427                 i++;
 428                 if (i > 30) {
 429                         return -ETIMEDOUT;
 430                 }
 431                 if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
 432                         /* The link is down.  Set linkdown timeout */
 433                         return -ETIMEDOUT;
 434                 }
 435
 436                 /* Delay for 1 second to give discovery time to complete. */
 437                 msleep(1000);
 438
 439         }
 440
 441         return 0;
 442 }
 443
 444 /************************************************************************/
 445 /*                                                                      */
 446 /*    lpfc_hba_down_prep                                                */
 447 /*    This routine will do LPFC uninitialization before the             */
 448 /*    HBA is reset when bringing down the SLI Layer. This will be       */
 449 /*    initialized as a SLI layer callback routine.                      */
 450 /*    This routine returns 0 on success. Any other return value         */
 451 /*    indicates an error.                                               */
 452 /*                                                                      */
 453 /************************************************************************/
 454 int
 455 lpfc_hba_down_prep(struct lpfc_hba * phba)
 456 {
 457         /* Disable interrupts */
 458         writel(0, phba->HCregaddr);
 459         readl(phba->HCregaddr); /* flush */
 460
 461         /* Cleanup potential discovery resources */
 462         lpfc_els_flush_rscn(phba);
 463         lpfc_els_flush_cmd(phba);
 464         lpfc_disc_flush_list(phba);
 465
 466         return (0);
 467 }
 468
 469 /************************************************************************/
 470 /*                                                                      */
 471 /*    lpfc_hba_down_post                                                */
 472 /*    This routine will do uninitialization after the HBA is reset      */
 473 /*    when bringing down the SLI Layer.                                 */
 474 /*    This routine returns 0 on success. Any other return value         */
 475 /*    indicates an error.                                               */
 476 /*                                                                      */
 477 /************************************************************************/
 478 int
 479 lpfc_hba_down_post(struct lpfc_hba * phba)
 480 {
 481         struct lpfc_sli *psli = &phba->sli;
 482         struct lpfc_sli_ring *pring;
 483         struct lpfc_dmabuf *mp, *next_mp;
 484         int i;
 485
 486         /* Cleanup preposted buffers on the ELS ring */
 487         pring = &psli->ring[LPFC_ELS_RING];
 488         list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
 489                 list_del(&mp->list);
 490                 pring->postbufq_cnt--;
 491                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 492                 kfree(mp);
 493         }
 494
 495         for (i = 0; i < psli->num_rings; i++) {
 496                 pring = &psli->ring[i];
 497                 lpfc_sli_abort_iocb_ring(phba, pring);
 498         }
 499
 500         return 0;
 501 }
 502
 503 /************************************************************************/
 504 /*                                                                      */
 505 /*    lpfc_handle_eratt                                                 */
 506 /*    This routine will handle processing a Host Attention              */
 507 /*    Error Status event. This will be initialized                      */
 508 /*    as a SLI layer callback routine.                                  */
 509 /*                                                                      */
 510 /************************************************************************/
 511 void
 512 lpfc_handle_eratt(struct lpfc_hba * phba)
 513 {
 514         struct lpfc_sli *psli = &phba->sli;
 515         struct lpfc_sli_ring  *pring;
 516         uint32_t event_data;
 517
 518         if (phba->work_hs & HS_FFER6) {
 519                 /* Re-establishing Link */
 520                 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
 521                                 "%d:1301 Re-establishing Link "
 522                                 "Data: x%x x%x x%x\n",
 523                                 phba->brd_no, phba->work_hs,
 524                                 phba->work_status[0], phba->work_status[1]);
 525                 spin_lock_irq(phba->host->host_lock);
 526                 phba->fc_flag |= FC_ESTABLISH_LINK;
 527                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 528                 spin_unlock_irq(phba->host->host_lock);
 529
 530                 /*
 531                 * Firmware stops when it triggled erratt with HS_FFER6.
 532                 * That could cause the I/Os dropped by the firmware.
 533                 * Error iocb (I/O) on txcmplq and let the SCSI layer
 534                 * retry it after re-establishing link.
 535                 */
 536                 pring = &psli->ring[psli->fcp_ring];
 537                 lpfc_sli_abort_iocb_ring(phba, pring);
 538
 539
 540                 /*
 541                  * There was a firmware error.  Take the hba offline and then
 542                  * attempt to restart it.
 543                  */
 544                 lpfc_offline(phba);
 545                 lpfc_sli_brdrestart(phba);
 546                 if (lpfc_online(phba) == 0) {   /* Initialize the HBA */
 547                         mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
 548                         return;
 549                 }
 550         } else {
 551                 /* The if clause above forces this code path when the status
 552                  * failure is a value other than FFER6.  Do not call the offline
 553                  *  twice. This is the adapter hardware error path.
 554                  */
 555                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 556                                 "%d:0457 Adapter Hardware Error "
 557                                 "Data: x%x x%x x%x\n",
 558                                 phba->brd_no, phba->work_hs,
 559                                 phba->work_status[0], phba->work_status[1]);
 560
 561                 event_data = FC_REG_DUMP_EVENT;
 562                 fc_host_post_vendor_event(phba->host, fc_get_event_number(),
 563                                 sizeof(event_data), (char *) &event_data,
 564                                 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
 565
 566                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 567                 lpfc_offline(phba);
 568                 phba->hba_state = LPFC_HBA_ERROR;
 569                 lpfc_hba_down_post(phba);
 570         }
 571 }
 572
 573 /************************************************************************/
 574 /*                                                                      */
 575 /*    lpfc_handle_latt                                                  */
 576 /*    This routine will handle processing a Host Attention              */
 577 /*    Link Status event. This will be initialized                       */
 578 /*    as a SLI layer callback routine.                                  */
 579 /*                                                                      */
 580 /************************************************************************/
 581 void
 582 lpfc_handle_latt(struct lpfc_hba * phba)
 583 {
 584         struct lpfc_sli *psli = &phba->sli;
 585         LPFC_MBOXQ_t *pmb;
 586         volatile uint32_t control;
 587         struct lpfc_dmabuf *mp;
 588         int rc = -ENOMEM;
 589
 590         pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 591         if (!pmb)
 592                 goto lpfc_handle_latt_err_exit;
 593
 594         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 595         if (!mp)
 596                 goto lpfc_handle_latt_free_pmb;
 597
 598         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
 599         if (!mp->virt)
 600                 goto lpfc_handle_latt_free_mp;
 601
 602         rc = -EIO;
 603
 604         /* Cleanup any outstanding ELS commands */
 605         lpfc_els_flush_cmd(phba);
 606
 607         psli->slistat.link_event++;
 608         lpfc_read_la(phba, pmb, mp);
 609         pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
 610         rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
 611         if (rc == MBX_NOT_FINISHED)
 612                 goto lpfc_handle_latt_free_mp;
 613
 614         /* Clear Link Attention in HA REG */
 615         spin_lock_irq(phba->host->host_lock);
 616         writel(HA_LATT, phba->HAregaddr);
 617         readl(phba->HAregaddr); /* flush */
 618         spin_unlock_irq(phba->host->host_lock);
 619
 620         return;
 621
 622 lpfc_handle_latt_free_mp:
 623         kfree(mp);
 624 lpfc_handle_latt_free_pmb:
 625         kfree(pmb);
 626 lpfc_handle_latt_err_exit:
 627         /* Enable Link attention interrupts */
 628         spin_lock_irq(phba->host->host_lock);
 629         psli->sli_flag |= LPFC_PROCESS_LA;
 630         control = readl(phba->HCregaddr);
 631         control |= HC_LAINT_ENA;
 632         writel(control, phba->HCregaddr);
 633         readl(phba->HCregaddr); /* flush */
 634
 635         /* Clear Link Attention in HA REG */
 636         writel(HA_LATT, phba->HAregaddr);
 637         readl(phba->HAregaddr); /* flush */
 638         spin_unlock_irq(phba->host->host_lock);
 639         lpfc_linkdown(phba);
 640         phba->hba_state = LPFC_HBA_ERROR;
 641
 642         /* The other case is an error from issue_mbox */
 643         if (rc == -ENOMEM)
 644                 lpfc_printf_log(phba,
 645                                 KERN_WARNING,
 646                                 LOG_MBOX,
 647                                 "%d:0300 READ_LA: no buffers\n",
 648                                 phba->brd_no);
 649
 650         return;
 651 }
 652
 653 /************************************************************************/
 654 /*                                                                      */
 655 /*   lpfc_parse_vpd                                                     */
 656 /*   This routine will parse the VPD data                               */
 657 /*                                                                      */
 658 /************************************************************************/
 659 static int
 660 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd, int len)
 661 {
 662         uint8_t lenlo, lenhi;
 663         uint32_t Length;
 664         int i, j;
 665         int finished = 0;
 666         int index = 0;
 667
 668         if (!vpd)
 669                 return 0;
 670
 671         /* Vital Product */
 672         lpfc_printf_log(phba,
 673                         KERN_INFO,
 674                         LOG_INIT,
 675                         "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
 676                         phba->brd_no,
 677                         (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
 678                         (uint32_t) vpd[3]);
 679         while (!finished && (index < (len - 4))) {
 680                 switch (vpd[index]) {
 681                 case 0x82:
 682                 case 0x91:
 683                         index += 1;
 684                         lenlo = vpd[index];
 685                         index += 1;
 686                         lenhi = vpd[index];
 687                         index += 1;
 688                         i = ((((unsigned short)lenhi) << 8) + lenlo);
 689                         index += i;
 690                         break;
 691                 case 0x90:
 692                         index += 1;
 693                         lenlo = vpd[index];
 694                         index += 1;
 695                         lenhi = vpd[index];
 696                         index += 1;
 697                         Length = ((((unsigned short)lenhi) << 8) + lenlo);
 698                         if (Length > len - index)
 699                                 Length = len - index;
 700                         while (Length > 0) {
 701                         /* Look for Serial Number */
 702                         if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
 703                                 index += 2;
 704                                 i = vpd[index];
 705                                 index += 1;
 706                                 j = 0;
 707                                 Length -= (3+i);
 708                                 while(i--) {
 709                                         phba->SerialNumber[j++] = vpd[index++];
 710                                         if (j == 31)
 711                                                 break;
 712                                 }
 713                                 phba->SerialNumber[j] = 0;
 714                                 continue;
 715                         }
 716                         else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
 717                                 phba->vpd_flag |= VPD_MODEL_DESC;
 718                                 index += 2;
 719                                 i = vpd[index];
 720                                 index += 1;
 721                                 j = 0;
 722                                 Length -= (3+i);
 723                                 while(i--) {
 724                                         phba->ModelDesc[j++] = vpd[index++];
 725                                         if (j == 255)
 726                                                 break;
 727                                 }
 728                                 phba->ModelDesc[j] = 0;
 729                                 continue;
 730                         }
 731                         else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
 732                                 phba->vpd_flag |= VPD_MODEL_NAME;
 733                                 index += 2;
 734                                 i = vpd[index];
 735                                 index += 1;
 736                                 j = 0;
 737                                 Length -= (3+i);
 738                                 while(i--) {
 739                                         phba->ModelName[j++] = vpd[index++];
 740                                         if (j == 79)
 741                                                 break;
 742                                 }
 743                                 phba->ModelName[j] = 0;
 744                                 continue;
 745                         }
 746                         else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
 747                                 phba->vpd_flag |= VPD_PROGRAM_TYPE;
 748                                 index += 2;
 749                                 i = vpd[index];
 750                                 index += 1;
 751                                 j = 0;
 752                                 Length -= (3+i);
 753                                 while(i--) {
 754                                         phba->ProgramType[j++] = vpd[index++];
 755                                         if (j == 255)
 756                                                 break;
 757                                 }
 758                                 phba->ProgramType[j] = 0;
 759                                 continue;
 760                         }
 761                         else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
 762                                 phba->vpd_flag |= VPD_PORT;
 763                                 index += 2;
 764                                 i = vpd[index];
 765                                 index += 1;
 766                                 j = 0;
 767                                 Length -= (3+i);
 768                                 while(i--) {
 769                                 phba->Port[j++] = vpd[index++];
 770                                 if (j == 19)
 771                                         break;
 772                                 }
 773                                 phba->Port[j] = 0;
 774                                 continue;
 775                         }
 776                         else {
 777                                 index += 2;
 778                                 i = vpd[index];
 779                                 index += 1;
 780                                 index += i;
 781                                 Length -= (3 + i);
 782                         }
 783                 }
 784                 finished = 0;
 785                 break;
 786                 case 0x78:
 787                         finished = 1;
 788                         break;
 789                 default:
 790                         index ++;
 791                         break;
 792                 }
 793         }
 794
 795         return(1);
 796 }
 797
 798 static void
 799 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
 800 {
 801         lpfc_vpd_t *vp;
 802         uint16_t dev_id = phba->pcidev->device;
 803         uint16_t dev_subid = phba->pcidev->subsystem_device;
 804         uint8_t hdrtype;
 805         int max_speed;
 806         char * ports;
 807         struct {
 808                 char * name;
 809                 int    max_speed;
 810                 char * ports;
 811                 char * bus;
 812         } m = {"<Unknown>", 0, "", ""};
 813
 814         pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype);
 815         ports = (hdrtype == 0x80) ? "2-port " : "";
 816         if (mdp && mdp[0] != '\0'
 817                 && descp && descp[0] != '\0')
 818                 return;
 819
 820         if (phba->lmt & LMT_10Gb)
 821                 max_speed = 10;
 822         else if (phba->lmt & LMT_8Gb)
 823                 max_speed = 8;
 824         else if (phba->lmt & LMT_4Gb)
 825                 max_speed = 4;
 826         else if (phba->lmt & LMT_2Gb)
 827                 max_speed = 2;
 828         else
 829                 max_speed = 1;
 830
 831         vp = &phba->vpd;
 832
 833         switch (dev_id) {
 834         case PCI_DEVICE_ID_FIREFLY:
 835                 m = (typeof(m)){"LP6000", max_speed, "", "PCI"};
 836                 break;
 837         case PCI_DEVICE_ID_SUPERFLY:
 838                 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
 839                         m = (typeof(m)){"LP7000", max_speed, "", "PCI"};
 840                 else
 841                         m = (typeof(m)){"LP7000E", max_speed, "", "PCI"};
 842                 break;
 843         case PCI_DEVICE_ID_DRAGONFLY:
 844                 m = (typeof(m)){"LP8000", max_speed, "", "PCI"};
 845                 break;
 846         case PCI_DEVICE_ID_CENTAUR:
 847                 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
 848                         m = (typeof(m)){"LP9002", max_speed, "", "PCI"};
 849                 else
 850                         m = (typeof(m)){"LP9000", max_speed, "", "PCI"};
 851                 break;
 852         case PCI_DEVICE_ID_RFLY:
 853                 m = (typeof(m)){"LP952", max_speed, "", "PCI"};
 854                 break;
 855         case PCI_DEVICE_ID_PEGASUS:
 856                 m = (typeof(m)){"LP9802", max_speed, "", "PCI-X"};
 857                 break;
 858         case PCI_DEVICE_ID_THOR:
 859                 if (hdrtype == 0x80)
 860                         m = (typeof(m)){"LP10000DC",
 861                                         max_speed, ports, "PCI-X"};
 862                 else
 863                         m = (typeof(m)){"LP10000",
 864                                         max_speed, ports, "PCI-X"};
 865                 break;
 866         case PCI_DEVICE_ID_VIPER:
 867                 m = (typeof(m)){"LPX1000", max_speed, "", "PCI-X"};
 868                 break;
 869         case PCI_DEVICE_ID_PFLY:
 870                 m = (typeof(m)){"LP982", max_speed, "", "PCI-X"};
 871                 break;
 872         case PCI_DEVICE_ID_TFLY:
 873                 if (hdrtype == 0x80)
 874                         m = (typeof(m)){"LP1050DC", max_speed, ports, "PCI-X"};
 875                 else
 876                         m = (typeof(m)){"LP1050", max_speed, ports, "PCI-X"};
 877                 break;
 878         case PCI_DEVICE_ID_HELIOS:
 879                 if (hdrtype == 0x80)
 880                         m = (typeof(m)){"LP11002", max_speed, ports, "PCI-X2"};
 881                 else
 882                         m = (typeof(m)){"LP11000", max_speed, ports, "PCI-X2"};
 883                 break;
 884         case PCI_DEVICE_ID_HELIOS_SCSP:
 885                 m = (typeof(m)){"LP11000-SP", max_speed, ports, "PCI-X2"};
 886                 break;
 887         case PCI_DEVICE_ID_HELIOS_DCSP:
 888                 m = (typeof(m)){"LP11002-SP", max_speed, ports, "PCI-X2"};
 889                 break;
 890         case PCI_DEVICE_ID_NEPTUNE:
 891                 if (hdrtype == 0x80)
 892                         m = (typeof(m)){"LPe1002", max_speed, ports, "PCIe"};
 893                 else
 894                         m = (typeof(m)){"LPe1000", max_speed, ports, "PCIe"};
 895                 break;
 896         case PCI_DEVICE_ID_NEPTUNE_SCSP:
 897                 m = (typeof(m)){"LPe1000-SP", max_speed, ports, "PCIe"};
 898                 break;
 899         case PCI_DEVICE_ID_NEPTUNE_DCSP:
 900                 m = (typeof(m)){"LPe1002-SP", max_speed, ports, "PCIe"};
 901                 break;
 902         case PCI_DEVICE_ID_BMID:
 903                 m = (typeof(m)){"LP1150", max_speed, ports, "PCI-X2"};
 904                 break;
 905         case PCI_DEVICE_ID_BSMB:
 906                 m = (typeof(m)){"LP111", max_speed, ports, "PCI-X2"};
 907                 break;
 908         case PCI_DEVICE_ID_ZEPHYR:
 909                 if (hdrtype == 0x80)
 910                         m = (typeof(m)){"LPe11002", max_speed, ports, "PCIe"};
 911                 else
 912                         m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
 913                 break;
 914         case PCI_DEVICE_ID_ZEPHYR_SCSP:
 915                 m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
 916                 break;
 917         case PCI_DEVICE_ID_ZEPHYR_DCSP:
 918                 m = (typeof(m)){"LPe11002-SP", max_speed, ports, "PCIe"};
 919                 break;
 920         case PCI_DEVICE_ID_ZMID:
 921                 m = (typeof(m)){"LPe1150", max_speed, ports, "PCIe"};
 922                 break;
 923         case PCI_DEVICE_ID_ZSMB:
 924                 m = (typeof(m)){"LPe111", max_speed, ports, "PCIe"};
 925                 break;
 926         case PCI_DEVICE_ID_LP101:
 927                 m = (typeof(m)){"LP101", max_speed, ports, "PCI-X"};
 928                 break;
 929         case PCI_DEVICE_ID_LP10000S:
 930                 m = (typeof(m)){"LP10000-S", max_speed, ports, "PCI"};
 931                 break;
 932         case PCI_DEVICE_ID_LP11000S:
 933         case PCI_DEVICE_ID_LPE11000S:
 934                 switch (dev_subid) {
 935                 case PCI_SUBSYSTEM_ID_LP11000S:
 936                         m = (typeof(m)){"LP11000-S", max_speed,
 937                                         ports, "PCI-X2"};
 938                         break;
 939                 case PCI_SUBSYSTEM_ID_LP11002S:
 940                         m = (typeof(m)){"LP11002-S", max_speed,
 941                                         ports, "PCI-X2"};
 942                         break;
 943                 case PCI_SUBSYSTEM_ID_LPE11000S:
 944                         m = (typeof(m)){"LPe11000-S", max_speed,
 945                                         ports, "PCIe"};
 946                         break;
 947                 case PCI_SUBSYSTEM_ID_LPE11002S:
 948                         m = (typeof(m)){"LPe11002-S", max_speed,
 949                                         ports, "PCIe"};
 950                         break;
 951                 case PCI_SUBSYSTEM_ID_LPE11010S:
 952                         m = (typeof(m)){"LPe11010-S", max_speed,
 953                                         "10-port ", "PCIe"};
 954                         break;
 955                 default:
 956                         m = (typeof(m)){ NULL };
 957                         break;
 958                 }
 959                 break;
 960         default:
 961                 m = (typeof(m)){ NULL };
 962                 break;
 963         }
 964
 965         if (mdp && mdp[0] == '\0')
 966                 snprintf(mdp, 79,"%s", m.name);
 967         if (descp && descp[0] == '\0')
 968                 snprintf(descp, 255,
 969                          "Emulex %s %dGb %s%s Fibre Channel Adapter",
 970                          m.name, m.max_speed, m.ports, m.bus);
 971 }
 972
 973 /**************************************************/
 974 /*   lpfc_post_buffer                             */
 975 /*                                                */
 976 /*   This routine will post count buffers to the  */
 977 /*   ring with the QUE_RING_BUF_CN command. This  */
 978 /*   allows 3 buffers / command to be posted.     */
 979 /*   Returns the number of buffers NOT posted.    */
 980 /**************************************************/
 981 int
 982 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
 983                  int type)
 984 {
 985         IOCB_t *icmd;
 986         struct lpfc_iocbq *iocb;
 987         struct lpfc_dmabuf *mp1, *mp2;
 988
 989         cnt += pring->missbufcnt;
 990
 991         /* While there are buffers to post */
 992         while (cnt > 0) {
 993                 /* Allocate buffer for  command iocb */
 994                 spin_lock_irq(phba->host->host_lock);
 995                 iocb = lpfc_sli_get_iocbq(phba);
 996                 spin_unlock_irq(phba->host->host_lock);
 997                 if (iocb == NULL) {
 998                         pring->missbufcnt = cnt;
 999                         return cnt;
1000                 }
1001                 icmd = &iocb->iocb;
1002
1003                 /* 2 buffers can be posted per command */
1004                 /* Allocate buffer to post */
1005                 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1006                 if (mp1)
1007                     mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1008                                                 &mp1->phys);
1009                 if (mp1 == 0 || mp1->virt == 0) {
1010                         kfree(mp1);
1011                         spin_lock_irq(phba->host->host_lock);
1012                         lpfc_sli_release_iocbq(phba, iocb);
1013                         spin_unlock_irq(phba->host->host_lock);
1014                         pring->missbufcnt = cnt;
1015                         return cnt;
1016                 }
1017
1018                 INIT_LIST_HEAD(&mp1->list);
1019                 /* Allocate buffer to post */
1020                 if (cnt > 1) {
1021                         mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1022                         if (mp2)
1023                                 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1024                                                             &mp2->phys);
1025                         if (mp2 == 0 || mp2->virt == 0) {
1026                                 kfree(mp2);
1027                                 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1028                                 kfree(mp1);
1029                                 spin_lock_irq(phba->host->host_lock);
1030                                 lpfc_sli_release_iocbq(phba, iocb);
1031                                 spin_unlock_irq(phba->host->host_lock);
1032                                 pring->missbufcnt = cnt;
1033                                 return cnt;
1034                         }
1035
1036                         INIT_LIST_HEAD(&mp2->list);
1037                 } else {
1038                         mp2 = NULL;
1039                 }
1040
1041                 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1042                 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1043                 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1044                 icmd->ulpBdeCount = 1;
1045                 cnt--;
1046                 if (mp2) {
1047                         icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1048                         icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1049                         icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1050                         cnt--;
1051                         icmd->ulpBdeCount = 2;
1052                 }
1053
1054                 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1055                 icmd->ulpLe = 1;
1056
1057                 spin_lock_irq(phba->host->host_lock);
1058                 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1059                         lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1060                         kfree(mp1);
1061                         cnt++;
1062                         if (mp2) {
1063                                 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1064                                 kfree(mp2);
1065                                 cnt++;
1066                         }
1067                         lpfc_sli_release_iocbq(phba, iocb);
1068                         pring->missbufcnt = cnt;
1069                         spin_unlock_irq(phba->host->host_lock);
1070                         return cnt;
1071                 }
1072                 spin_unlock_irq(phba->host->host_lock);
1073                 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1074                 if (mp2) {
1075                         lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1076                 }
1077         }
1078         pring->missbufcnt = 0;
1079         return 0;
1080 }
1081
1082 /************************************************************************/
1083 /*                                                                      */
1084 /*   lpfc_post_rcv_buf                                                  */
1085 /*   This routine post initial rcv buffers to the configured rings      */
1086 /*                                                                      */
1087 /************************************************************************/
1088 static int
1089 lpfc_post_rcv_buf(struct lpfc_hba * phba)
1090 {
1091         struct lpfc_sli *psli = &phba->sli;
1092
1093         /* Ring 0, ELS / CT buffers */
1094         lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1095         /* Ring 2 - FCP no buffers needed */
1096
1097         return 0;
1098 }
1099
1100 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1101
1102 /************************************************************************/
1103 /*                                                                      */
1104 /*   lpfc_sha_init                                                      */
1105 /*                                                                      */
1106 /************************************************************************/
1107 static void
1108 lpfc_sha_init(uint32_t * HashResultPointer)
1109 {
1110         HashResultPointer[0] = 0x67452301;
1111         HashResultPointer[1] = 0xEFCDAB89;
1112         HashResultPointer[2] = 0x98BADCFE;
1113         HashResultPointer[3] = 0x10325476;
1114         HashResultPointer[4] = 0xC3D2E1F0;
1115 }
1116
1117 /************************************************************************/
1118 /*                                                                      */
1119 /*   lpfc_sha_iterate                                                   */
1120 /*                                                                      */
1121 /************************************************************************/
1122 static void
1123 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1124 {
1125         int t;
1126         uint32_t TEMP;
1127         uint32_t A, B, C, D, E;
1128         t = 16;
1129         do {
1130                 HashWorkingPointer[t] =
1131                     S(1,
1132                       HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1133                                                                      8] ^
1134                       HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1135         } while (++t <= 79);
1136         t = 0;
1137         A = HashResultPointer[0];
1138         B = HashResultPointer[1];
1139         C = HashResultPointer[2];
1140         D = HashResultPointer[3];
1141         E = HashResultPointer[4];
1142
1143         do {
1144                 if (t < 20) {
1145                         TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1146                 } else if (t < 40) {
1147                         TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1148                 } else if (t < 60) {
1149                         TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1150                 } else {
1151                         TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1152                 }
1153                 TEMP += S(5, A) + E + HashWorkingPointer[t];
1154                 E = D;
1155                 D = C;
1156                 C = S(30, B);
1157                 B = A;
1158                 A = TEMP;
1159         } while (++t <= 79);
1160
1161         HashResultPointer[0] += A;
1162         HashResultPointer[1] += B;
1163         HashResultPointer[2] += C;
1164         HashResultPointer[3] += D;
1165         HashResultPointer[4] += E;
1166
1167 }
1168
1169 /************************************************************************/
1170 /*                                                                      */
1171 /*   lpfc_challenge_key                                                 */
1172 /*                                                                      */
1173 /************************************************************************/
1174 static void
1175 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1176 {
1177         *HashWorking = (*RandomChallenge ^ *HashWorking);
1178 }
1179
1180 /************************************************************************/
1181 /*                                                                      */
1182 /*   lpfc_hba_init                                                      */
1183 /*                                                                      */
1184 /************************************************************************/
1185 void
1186 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1187 {
1188         int t;
1189         uint32_t *HashWorking;
1190         uint32_t *pwwnn = phba->wwnn;
1191
1192         HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1193         if (!HashWorking)
1194                 return;
1195
1196         memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1197         HashWorking[0] = HashWorking[78] = *pwwnn++;
1198         HashWorking[1] = HashWorking[79] = *pwwnn;
1199
1200         for (t = 0; t < 7; t++)
1201                 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1202
1203         lpfc_sha_init(hbainit);
1204         lpfc_sha_iterate(hbainit, HashWorking);
1205         kfree(HashWorking);
1206 }
1207
1208 static void
1209 lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind)
1210 {
1211         struct lpfc_nodelist *ndlp, *next_ndlp;
1212
1213         /* clean up phba - lpfc specific */
1214         lpfc_can_disctmo(phba);
1215         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
1216                                 nlp_listp) {
1217                 lpfc_nlp_remove(phba, ndlp);
1218         }
1219
1220         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1221                                  nlp_listp) {
1222                 lpfc_nlp_remove(phba, ndlp);
1223         }
1224
1225         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
1226                                 nlp_listp) {
1227                 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1228         }
1229
1230         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1231                                 nlp_listp) {
1232                 lpfc_nlp_remove(phba, ndlp);
1233         }
1234
1235         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1236                                 nlp_listp) {
1237                 lpfc_nlp_remove(phba, ndlp);
1238         }
1239
1240         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
1241                                 nlp_listp) {
1242                 lpfc_nlp_remove(phba, ndlp);
1243         }
1244
1245         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1246                                 nlp_listp) {
1247                 lpfc_nlp_remove(phba, ndlp);
1248         }
1249
1250         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1251                                 nlp_listp) {
1252                 lpfc_nlp_remove(phba, ndlp);
1253         }
1254
1255         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1256         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1257         INIT_LIST_HEAD(&phba->fc_unused_list);
1258         INIT_LIST_HEAD(&phba->fc_plogi_list);
1259         INIT_LIST_HEAD(&phba->fc_adisc_list);
1260         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1261         INIT_LIST_HEAD(&phba->fc_prli_list);
1262         INIT_LIST_HEAD(&phba->fc_npr_list);
1263
1264         phba->fc_map_cnt   = 0;
1265         phba->fc_unmap_cnt = 0;
1266         phba->fc_plogi_cnt = 0;
1267         phba->fc_adisc_cnt = 0;
1268         phba->fc_reglogin_cnt = 0;
1269         phba->fc_prli_cnt  = 0;
1270         phba->fc_npr_cnt   = 0;
1271         phba->fc_unused_cnt= 0;
1272         return;
1273 }
1274
1275 static void
1276 lpfc_establish_link_tmo(unsigned long ptr)
1277 {
1278         struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1279         unsigned long iflag;
1280
1281
1282         /* Re-establishing Link, timer expired */
1283         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1284                         "%d:1300 Re-establishing Link, timer expired "
1285                         "Data: x%x x%x\n",
1286                         phba->brd_no, phba->fc_flag, phba->hba_state);
1287         spin_lock_irqsave(phba->host->host_lock, iflag);
1288         phba->fc_flag &= ~FC_ESTABLISH_LINK;
1289         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1290 }
1291
1292 static int
1293 lpfc_stop_timer(struct lpfc_hba * phba)
1294 {
1295         struct lpfc_sli *psli = &phba->sli;
1296
1297         /* Instead of a timer, this has been converted to a
1298          * deferred procedding list.
1299          */
1300         while (!list_empty(&phba->freebufList)) {
1301
1302                 struct lpfc_dmabuf *mp = NULL;
1303
1304                 list_remove_head((&phba->freebufList), mp,
1305                                  struct lpfc_dmabuf, list);
1306                 if (mp) {
1307                         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1308                         kfree(mp);
1309                 }
1310         }
1311
1312         del_timer_sync(&phba->fcp_poll_timer);
1313         del_timer_sync(&phba->fc_estabtmo);
1314         del_timer_sync(&phba->fc_disctmo);
1315         del_timer_sync(&phba->fc_fdmitmo);
1316         del_timer_sync(&phba->els_tmofunc);
1317         psli = &phba->sli;
1318         del_timer_sync(&psli->mbox_tmo);
1319         return(1);
1320 }
1321
1322 int
1323 lpfc_online(struct lpfc_hba * phba)
1324 {
1325         if (!phba)
1326                 return 0;
1327
1328         if (!(phba->fc_flag & FC_OFFLINE_MODE))
1329                 return 0;
1330
1331         lpfc_printf_log(phba,
1332                        KERN_WARNING,
1333                        LOG_INIT,
1334                        "%d:0458 Bring Adapter online\n",
1335                        phba->brd_no);
1336
1337         if (!lpfc_sli_queue_setup(phba))
1338                 return 1;
1339
1340         if (lpfc_sli_hba_setup(phba))   /* Initialize the HBA */
1341                 return 1;
1342
1343         spin_lock_irq(phba->host->host_lock);
1344         phba->fc_flag &= ~FC_OFFLINE_MODE;
1345         spin_unlock_irq(phba->host->host_lock);
1346
1347         return 0;
1348 }
1349
1350 int
1351 lpfc_offline(struct lpfc_hba * phba)
1352 {
1353         struct lpfc_sli_ring *pring;
1354         struct lpfc_sli *psli;
1355         unsigned long iflag;
1356         int i;
1357         int cnt = 0;
1358
1359         if (!phba)
1360                 return 0;
1361
1362         if (phba->fc_flag & FC_OFFLINE_MODE)
1363                 return 0;
1364
1365         psli = &phba->sli;
1366
1367         lpfc_linkdown(phba);
1368         lpfc_sli_flush_mbox_queue(phba);
1369
1370         for (i = 0; i < psli->num_rings; i++) {
1371                 pring = &psli->ring[i];
1372                 /* The linkdown event takes 30 seconds to timeout. */
1373                 while (pring->txcmplq_cnt) {
1374                         mdelay(10);
1375                         if (cnt++ > 3000) {
1376                                 lpfc_printf_log(phba,
1377                                         KERN_WARNING, LOG_INIT,
1378                                         "%d:0466 Outstanding IO when "
1379                                         "bringing Adapter offline\n",
1380                                         phba->brd_no);
1381                                 break;
1382                         }
1383                 }
1384         }
1385
1386
1387         /* stop all timers associated with this hba */
1388         lpfc_stop_timer(phba);
1389         phba->work_hba_events = 0;
1390         phba->work_ha = 0;
1391
1392         lpfc_printf_log(phba,
1393                        KERN_WARNING,
1394                        LOG_INIT,
1395                        "%d:0460 Bring Adapter offline\n",
1396                        phba->brd_no);
1397
1398         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1399            now.  */
1400         lpfc_sli_hba_down(phba);
1401         lpfc_cleanup(phba, 1);
1402         spin_lock_irqsave(phba->host->host_lock, iflag);
1403         phba->fc_flag |= FC_OFFLINE_MODE;
1404         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1405         return 0;
1406 }
1407
1408 /******************************************************************************
1409 * Function name: lpfc_scsi_free
1410 *
1411 * Description: Called from lpfc_pci_remove_one free internal driver resources
1412 *
1413 ******************************************************************************/
1414 static int
1415 lpfc_scsi_free(struct lpfc_hba * phba)
1416 {
1417         struct lpfc_scsi_buf *sb, *sb_next;
1418         struct lpfc_iocbq *io, *io_next;
1419
1420         spin_lock_irq(phba->host->host_lock);
1421         /* Release all the lpfc_scsi_bufs maintained by this host. */
1422         list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1423                 list_del(&sb->list);
1424                 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1425                                                                 sb->dma_handle);
1426                 kfree(sb);
1427                 phba->total_scsi_bufs--;
1428         }
1429
1430         /* Release all the lpfc_iocbq entries maintained by this host. */
1431         list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1432                 list_del(&io->list);
1433                 kfree(io);
1434                 phba->total_iocbq_bufs--;
1435         }
1436
1437         spin_unlock_irq(phba->host->host_lock);
1438
1439         return 0;
1440 }
1441
1442
1443 static int __devinit
1444 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1445 {
1446         struct Scsi_Host *host;
1447         struct lpfc_hba  *phba;
1448         struct lpfc_sli  *psli;
1449         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1450         unsigned long bar0map_len, bar2map_len;
1451         int error = -ENODEV, retval;
1452         int i;
1453         uint16_t iotag;
1454
1455         if (pci_enable_device(pdev))
1456                 goto out;
1457         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1458                 goto out_disable_device;
1459
1460         host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
1461         if (!host)
1462                 goto out_release_regions;
1463
1464         phba = (struct lpfc_hba*)host->hostdata;
1465         memset(phba, 0, sizeof (struct lpfc_hba));
1466         phba->host = host;
1467
1468         phba->fc_flag |= FC_LOADING;
1469         phba->pcidev = pdev;
1470
1471         /* Assign an unused board number */
1472         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1473                 goto out_put_host;
1474
1475         error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
1476         if (error)
1477                 goto out_put_host;
1478
1479         host->unique_id = phba->brd_no;
1480         INIT_LIST_HEAD(&phba->ctrspbuflist);
1481         INIT_LIST_HEAD(&phba->rnidrspbuflist);
1482         INIT_LIST_HEAD(&phba->freebufList);
1483
1484         /* Initialize timers used by driver */
1485         init_timer(&phba->fc_estabtmo);
1486         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1487         phba->fc_estabtmo.data = (unsigned long)phba;
1488         init_timer(&phba->fc_disctmo);
1489         phba->fc_disctmo.function = lpfc_disc_timeout;
1490         phba->fc_disctmo.data = (unsigned long)phba;
1491
1492         init_timer(&phba->fc_fdmitmo);
1493         phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
1494         phba->fc_fdmitmo.data = (unsigned long)phba;
1495         init_timer(&phba->els_tmofunc);
1496         phba->els_tmofunc.function = lpfc_els_timeout;
1497         phba->els_tmofunc.data = (unsigned long)phba;
1498         psli = &phba->sli;
1499         init_timer(&psli->mbox_tmo);
1500         psli->mbox_tmo.function = lpfc_mbox_timeout;
1501         psli->mbox_tmo.data = (unsigned long)phba;
1502
1503         init_timer(&phba->fcp_poll_timer);
1504         phba->fcp_poll_timer.function = lpfc_poll_timeout;
1505         phba->fcp_poll_timer.data = (unsigned long)phba;
1506
1507         /*
1508          * Get all the module params for configuring this host and then
1509          * establish the host parameters.
1510          */
1511         lpfc_get_cfgparam(phba);
1512
1513         host->max_id = LPFC_MAX_TARGET;
1514         host->max_lun = phba->cfg_max_luns;
1515         host->this_id = -1;
1516
1517         /* Initialize all internally managed lists. */
1518         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1519         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1520         INIT_LIST_HEAD(&phba->fc_unused_list);
1521         INIT_LIST_HEAD(&phba->fc_plogi_list);
1522         INIT_LIST_HEAD(&phba->fc_adisc_list);
1523         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1524         INIT_LIST_HEAD(&phba->fc_prli_list);
1525         INIT_LIST_HEAD(&phba->fc_npr_list);
1526
1527
1528         pci_set_master(pdev);
1529         retval = pci_set_mwi(pdev);
1530         if (retval)
1531                 dev_printk(KERN_WARNING, &pdev->dev,
1532                            "Warning: pci_set_mwi returned %d\n", retval);
1533
1534         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1535                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1536                         goto out_idr_remove;
1537
1538         /*
1539          * Get the bus address of Bar0 and Bar2 and the number of bytes
1540          * required by each mapping.
1541          */
1542         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1543         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1544
1545         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1546         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1547
1548         /* Map HBA SLIM to a kernel virtual address. */
1549         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1550         if (!phba->slim_memmap_p) {
1551                 error = -ENODEV;
1552                 dev_printk(KERN_ERR, &pdev->dev,
1553                            "ioremap failed for SLIM memory.\n");
1554                 goto out_idr_remove;
1555         }
1556
1557         /* Map HBA Control Registers to a kernel virtual address. */
1558         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1559         if (!phba->ctrl_regs_memmap_p) {
1560                 error = -ENODEV;
1561                 dev_printk(KERN_ERR, &pdev->dev,
1562                            "ioremap failed for HBA control registers.\n");
1563                 goto out_iounmap_slim;
1564         }
1565
1566         /* Allocate memory for SLI-2 structures */
1567         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1568                                           &phba->slim2p_mapping, GFP_KERNEL);
1569         if (!phba->slim2p)
1570                 goto out_iounmap;
1571
1572         memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1573
1574         /* Initialize the SLI Layer to run with lpfc HBAs. */
1575         lpfc_sli_setup(phba);
1576         lpfc_sli_queue_setup(phba);
1577
1578         error = lpfc_mem_alloc(phba);
1579         if (error)
1580                 goto out_free_slim;
1581
1582         /* Initialize and populate the iocb list per host.  */
1583         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1584         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1585                 iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1586                 if (iocbq_entry == NULL) {
1587                         printk(KERN_ERR "%s: only allocated %d iocbs of "
1588                                 "expected %d count. Unloading driver.\n",
1589                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1590                         error = -ENOMEM;
1591                         goto out_free_iocbq;
1592                 }
1593
1594                 memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
1595                 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1596                 if (iotag == 0) {
1597                         kfree (iocbq_entry);
1598                         printk(KERN_ERR "%s: failed to allocate IOTAG. "
1599                                "Unloading driver.\n",
1600                                 __FUNCTION__);
1601                         error = -ENOMEM;
1602                         goto out_free_iocbq;
1603                 }
1604                 spin_lock_irq(phba->host->host_lock);
1605                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1606                 phba->total_iocbq_bufs++;
1607                 spin_unlock_irq(phba->host->host_lock);
1608         }
1609
1610         /* Initialize HBA structure */
1611         phba->fc_edtov = FF_DEF_EDTOV;
1612         phba->fc_ratov = FF_DEF_RATOV;
1613         phba->fc_altov = FF_DEF_ALTOV;
1614         phba->fc_arbtov = FF_DEF_ARBTOV;
1615
1616         INIT_LIST_HEAD(&phba->work_list);
1617         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1618         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1619
1620         /* Startup the kernel thread for this host adapter. */
1621         phba->worker_thread = kthread_run(lpfc_do_work, phba,
1622                                        "lpfc_worker_%d", phba->brd_no);
1623         if (IS_ERR(phba->worker_thread)) {
1624                 error = PTR_ERR(phba->worker_thread);
1625                 goto out_free_iocbq;
1626         }
1627
1628         /*
1629          * Set initial can_queue value since 0 is no longer supported and
1630          * scsi_add_host will fail. This will be adjusted later based on the
1631          * max xri value determined in hba setup.
1632          */
1633         host->can_queue = phba->cfg_hba_queue_depth - 10;
1634
1635         /* Tell the midlayer we support 16 byte commands */
1636         host->max_cmd_len = 16;
1637
1638         /* Initialize the list of scsi buffers used by driver for scsi IO. */
1639         spin_lock_init(&phba->scsi_buf_list_lock);
1640         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1641
1642         host->transportt = lpfc_transport_template;
1643         pci_set_drvdata(pdev, host);
1644         error = scsi_add_host(host, &pdev->dev);
1645         if (error)
1646                 goto out_kthread_stop;
1647
1648         error = lpfc_alloc_sysfs_attr(phba);
1649         if (error)
1650                 goto out_remove_host;
1651
1652         error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
1653                                                         LPFC_DRIVER_NAME, phba);
1654         if (error) {
1655                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1656                         "%d:0451 Enable interrupt handler failed\n",
1657                         phba->brd_no);
1658                 goto out_free_sysfs_attr;
1659         }
1660         phba->MBslimaddr = phba->slim_memmap_p;
1661         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1662         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1663         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1664         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1665
1666         error = lpfc_sli_hba_setup(phba);
1667         if (error) {
1668                 error = -ENODEV;
1669                 goto out_free_irq;
1670         }
1671
1672         /*
1673          * hba setup may have changed the hba_queue_depth so we need to adjust
1674          * the value of can_queue.
1675          */
1676         host->can_queue = phba->cfg_hba_queue_depth - 10;
1677
1678         lpfc_discovery_wait(phba);
1679
1680         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1681                 spin_lock_irq(phba->host->host_lock);
1682                 lpfc_poll_start_timer(phba);
1683                 spin_unlock_irq(phba->host->host_lock);
1684         }
1685
1686         /*
1687          * set fixed host attributes
1688          * Must done after lpfc_sli_hba_setup()
1689          */
1690
1691         fc_host_node_name(host) = wwn_to_u64(phba->fc_nodename.u.wwn);
1692         fc_host_port_name(host) = wwn_to_u64(phba->fc_portname.u.wwn);
1693         fc_host_supported_classes(host) = FC_COS_CLASS3;
1694
1695         memset(fc_host_supported_fc4s(host), 0,
1696                 sizeof(fc_host_supported_fc4s(host)));
1697         fc_host_supported_fc4s(host)[2] = 1;
1698         fc_host_supported_fc4s(host)[7] = 1;
1699
1700         lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host));
1701
1702         fc_host_supported_speeds(host) = 0;
1703         if (phba->lmt & LMT_10Gb)
1704                 fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT;
1705         if (phba->lmt & LMT_4Gb)
1706                 fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT;
1707         if (phba->lmt & LMT_2Gb)
1708                 fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT;
1709         if (phba->lmt & LMT_1Gb)
1710                 fc_host_supported_speeds(host) |= FC_PORTSPEED_1GBIT;
1711
1712         fc_host_maxframe_size(host) =
1713                 ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1714                  (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
1715
1716         /* This value is also unchanging */
1717         memset(fc_host_active_fc4s(host), 0,
1718                 sizeof(fc_host_active_fc4s(host)));
1719         fc_host_active_fc4s(host)[2] = 1;
1720         fc_host_active_fc4s(host)[7] = 1;
1721
1722         spin_lock_irq(phba->host->host_lock);
1723         phba->fc_flag &= ~FC_LOADING;
1724         spin_unlock_irq(phba->host->host_lock);
1725         return 0;
1726
1727 out_free_irq:
1728         lpfc_stop_timer(phba);
1729         phba->work_hba_events = 0;
1730         free_irq(phba->pcidev->irq, phba);
1731 out_free_sysfs_attr:
1732         lpfc_free_sysfs_attr(phba);
1733 out_remove_host:
1734         fc_remove_host(phba->host);
1735         scsi_remove_host(phba->host);
1736 out_kthread_stop:
1737         kthread_stop(phba->worker_thread);
1738 out_free_iocbq:
1739         list_for_each_entry_safe(iocbq_entry, iocbq_next,
1740                                                 &phba->lpfc_iocb_list, list) {
1741                 spin_lock_irq(phba->host->host_lock);
1742                 kfree(iocbq_entry);
1743                 phba->total_iocbq_bufs--;
1744                 spin_unlock_irq(phba->host->host_lock);
1745         }
1746         lpfc_mem_free(phba);
1747 out_free_slim:
1748         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1749                                                         phba->slim2p_mapping);
1750 out_iounmap:
1751         iounmap(phba->ctrl_regs_memmap_p);
1752 out_iounmap_slim:
1753         iounmap(phba->slim_memmap_p);
1754 out_idr_remove:
1755         idr_remove(&lpfc_hba_index, phba->brd_no);
1756 out_put_host:
1757         phba->host = NULL;
1758         scsi_host_put(host);
1759 out_release_regions:
1760         pci_release_regions(pdev);
1761 out_disable_device:
1762         pci_disable_device(pdev);
1763 out:
1764         pci_set_drvdata(pdev, NULL);
1765         return error;
1766 }
1767
1768 static void __devexit
1769 lpfc_pci_remove_one(struct pci_dev *pdev)
1770 {
1771         struct Scsi_Host   *host = pci_get_drvdata(pdev);
1772         struct lpfc_hba    *phba = (struct lpfc_hba *)host->hostdata;
1773         unsigned long iflag;
1774
1775         lpfc_free_sysfs_attr(phba);
1776
1777         spin_lock_irqsave(phba->host->host_lock, iflag);
1778         phba->fc_flag |= FC_UNLOADING;
1779
1780         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1781
1782         fc_remove_host(phba->host);
1783         scsi_remove_host(phba->host);
1784
1785         kthread_stop(phba->worker_thread);
1786
1787         /*
1788          * Bring down the SLI Layer. This step disable all interrupts,
1789          * clears the rings, discards all mailbox commands, and resets
1790          * the HBA.
1791          */
1792         lpfc_sli_hba_down(phba);
1793         lpfc_sli_brdrestart(phba);
1794
1795         /* Release the irq reservation */
1796         free_irq(phba->pcidev->irq, phba);
1797
1798         lpfc_cleanup(phba, 0);
1799         lpfc_stop_timer(phba);
1800         phba->work_hba_events = 0;
1801
1802         /*
1803          * Call scsi_free before mem_free since scsi bufs are released to their
1804          * corresponding pools here.
1805          */
1806         lpfc_scsi_free(phba);
1807         lpfc_mem_free(phba);
1808
1809         /* Free resources associated with SLI2 interface */
1810         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
1811                           phba->slim2p, phba->slim2p_mapping);
1812
1813         /* unmap adapter SLIM and Control Registers */
1814         iounmap(phba->ctrl_regs_memmap_p);
1815         iounmap(phba->slim_memmap_p);
1816
1817         pci_release_regions(phba->pcidev);
1818         pci_disable_device(phba->pcidev);
1819
1820         idr_remove(&lpfc_hba_index, phba->brd_no);
1821         scsi_host_put(phba->host);
1822
1823         pci_set_drvdata(pdev, NULL);
1824 }
1825
1826 static struct pci_device_id lpfc_id_table[] = {
1827         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
1828                 PCI_ANY_ID, PCI_ANY_ID, },
1829         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
1830                 PCI_ANY_ID, PCI_ANY_ID, },
1831         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
1832                 PCI_ANY_ID, PCI_ANY_ID, },
1833         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
1834                 PCI_ANY_ID, PCI_ANY_ID, },
1835         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
1836                 PCI_ANY_ID, PCI_ANY_ID, },
1837         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
1838                 PCI_ANY_ID, PCI_ANY_ID, },
1839         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
1840                 PCI_ANY_ID, PCI_ANY_ID, },
1841         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
1842                 PCI_ANY_ID, PCI_ANY_ID, },
1843         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
1844                 PCI_ANY_ID, PCI_ANY_ID, },
1845         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
1846                 PCI_ANY_ID, PCI_ANY_ID, },
1847         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
1848                 PCI_ANY_ID, PCI_ANY_ID, },
1849         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
1850                 PCI_ANY_ID, PCI_ANY_ID, },
1851         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
1852                 PCI_ANY_ID, PCI_ANY_ID, },
1853         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
1854                 PCI_ANY_ID, PCI_ANY_ID, },
1855         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
1856                 PCI_ANY_ID, PCI_ANY_ID, },
1857         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
1858                 PCI_ANY_ID, PCI_ANY_ID, },
1859         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
1860                 PCI_ANY_ID, PCI_ANY_ID, },
1861         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
1862                 PCI_ANY_ID, PCI_ANY_ID, },
1863         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
1864                 PCI_ANY_ID, PCI_ANY_ID, },
1865         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
1866                 PCI_ANY_ID, PCI_ANY_ID, },
1867         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
1868                 PCI_ANY_ID, PCI_ANY_ID, },
1869         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
1870                 PCI_ANY_ID, PCI_ANY_ID, },
1871         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
1872                 PCI_ANY_ID, PCI_ANY_ID, },
1873         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
1874                 PCI_ANY_ID, PCI_ANY_ID, },
1875         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
1876                 PCI_ANY_ID, PCI_ANY_ID, },
1877         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
1878                 PCI_ANY_ID, PCI_ANY_ID, },
1879         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
1880                 PCI_ANY_ID, PCI_ANY_ID, },
1881         { 0 }
1882 };
1883
1884 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
1885
1886 static struct pci_driver lpfc_driver = {
1887         .name           = LPFC_DRIVER_NAME,
1888         .id_table       = lpfc_id_table,
1889         .probe          = lpfc_pci_probe_one,
1890         .remove         = __devexit_p(lpfc_pci_remove_one),
1891 };
1892
1893 static int __init
1894 lpfc_init(void)
1895 {
1896         int error = 0;
1897
1898         printk(LPFC_MODULE_DESC "\n");
1899         printk(LPFC_COPYRIGHT "\n");
1900
1901         lpfc_transport_template =
1902                                 fc_attach_transport(&lpfc_transport_functions);
1903         if (!lpfc_transport_template)
1904                 return -ENOMEM;
1905         error = pci_register_driver(&lpfc_driver);
1906         if (error)
1907                 fc_release_transport(lpfc_transport_template);
1908
1909         return error;
1910 }
1911
1912 static void __exit
1913 lpfc_exit(void)
1914 {
1915         pci_unregister_driver(&lpfc_driver);
1916         fc_release_transport(lpfc_transport_template);
1917 }
1918
1919 module_init(lpfc_init);
1920 module_exit(lpfc_exit);
1921 MODULE_LICENSE("GPL");
1922 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
1923 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1924 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);