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 *);
  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
  75         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
  76         if (!pmb) {
  77                 phba->hba_state = LPFC_HBA_ERROR;
  78                 return -ENOMEM;
  79         }
  80
  81         mb = &pmb->mb;
  82         phba->hba_state = LPFC_INIT_MBX_CMDS;
  83
  84         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
  85                 uint32_t *ptext = (uint32_t *) licensed;
  86
  87                 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
  88                         *ptext = cpu_to_be32(*ptext);
  89
  90                 lpfc_read_nv(phba, pmb);
  91                 memset((char*)mb->un.varRDnvp.rsvd3, 0,
  92                         sizeof (mb->un.varRDnvp.rsvd3));
  93                 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
  94                          sizeof (licensed));
  95
  96                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
  97
  98                 if (rc != MBX_SUCCESS) {
  99                         lpfc_printf_log(phba,
 100                                         KERN_ERR,
 101                                         LOG_MBOX,
 102                                         "%d:0324 Config Port initialization "
 103                                         "error, mbxCmd x%x READ_NVPARM, "
 104                                         "mbxStatus x%x\n",
 105                                         phba->brd_no,
 106                                         mb->mbxCommand, mb->mbxStatus);
 107                         mempool_free(pmb, phba->mbox_mem_pool);
 108                         return -ERESTART;
 109                 }
 110                 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
 111                        sizeof (mb->un.varRDnvp.nodename));
 112         }
 113
 114         /* Setup and issue mailbox READ REV command */
 115         lpfc_read_rev(phba, pmb);
 116         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 117         if (rc != MBX_SUCCESS) {
 118                 lpfc_printf_log(phba,
 119                                 KERN_ERR,
 120                                 LOG_INIT,
 121                                 "%d:0439 Adapter failed to init, mbxCmd x%x "
 122                                 "READ_REV, mbxStatus x%x\n",
 123                                 phba->brd_no,
 124                                 mb->mbxCommand, mb->mbxStatus);
 125                 mempool_free( pmb, phba->mbox_mem_pool);
 126                 return -ERESTART;
 127         }
 128
 129         /*
 130          * The value of rr must be 1 since the driver set the cv field to 1.
 131          * This setting requires the FW to set all revision fields.
 132          */
 133         if (mb->un.varRdRev.rr == 0) {
 134                 vp->rev.rBit = 0;
 135                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 136                                 "%d:0440 Adapter failed to init, READ_REV has "
 137                                 "missing revision information.\n",
 138                                 phba->brd_no);
 139                 mempool_free(pmb, phba->mbox_mem_pool);
 140                 return -ERESTART;
 141         }
 142
 143         /* Save information as VPD data */
 144         vp->rev.rBit = 1;
 145         vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
 146         memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
 147         vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
 148         memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
 149         vp->rev.biuRev = mb->un.varRdRev.biuRev;
 150         vp->rev.smRev = mb->un.varRdRev.smRev;
 151         vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
 152         vp->rev.endecRev = mb->un.varRdRev.endecRev;
 153         vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
 154         vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
 155         vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
 156         vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
 157         vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
 158         vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
 159
 160         if (lpfc_is_LC_HBA(phba->pcidev->device))
 161                 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
 162                                                 sizeof (phba->RandomData));
 163
 164         /* Get the default values for Model Name and Description */
 165         lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
 166
 167         /* Get adapter VPD information */
 168         pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
 169         if (!pmb->context2)
 170                 goto out_free_mbox;
 171         lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
 172         if (!lpfc_vpd_data)
 173                 goto out_free_context2;
 174
 175         do {
 176                 lpfc_dump_mem(phba, pmb, offset);
 177                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 178
 179                 if (rc != MBX_SUCCESS) {
 180                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 181                                         "%d:0441 VPD not present on adapter, "
 182                                         "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
 183                                         phba->brd_no,
 184                                         mb->mbxCommand, mb->mbxStatus);
 185                         kfree(lpfc_vpd_data);
 186                         lpfc_vpd_data = NULL;
 187                         break;
 188                 }
 189
 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);
 194         lpfc_parse_vpd(phba, lpfc_vpd_data);
 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         memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
 272                sizeof (struct lpfc_name));
 273         memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
 274                sizeof (struct lpfc_name));
 275         /* If no serial number in VPD data, use low 6 bytes of WWNN */
 276         /* This should be consolidated into parse_vpd ? - mr */
 277         if (phba->SerialNumber[0] == 0) {
 278                 uint8_t *outptr;
 279
 280                 outptr = &phba->fc_nodename.u.s.IEEE[0];
 281                 for (i = 0; i < 12; i++) {
 282                         status = *outptr++;
 283                         j = ((status & 0xf0) >> 4);
 284                         if (j <= 9)
 285                                 phba->SerialNumber[i] =
 286                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 287                         else
 288                                 phba->SerialNumber[i] =
 289                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 290                         i++;
 291                         j = (status & 0xf);
 292                         if (j <= 9)
 293                                 phba->SerialNumber[i] =
 294                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 295                         else
 296                                 phba->SerialNumber[i] =
 297                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 298                 }
 299         }
 300
 301         /* This should turn on DELAYED ABTS for ELS timeouts */
 302         lpfc_set_slim(phba, pmb, 0x052198, 0x1);
 303         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 304                 phba->hba_state = LPFC_HBA_ERROR;
 305                 mempool_free( pmb, phba->mbox_mem_pool);
 306                 return -EIO;
 307         }
 308
 309
 310         lpfc_read_config(phba, pmb);
 311         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 312                 lpfc_printf_log(phba,
 313                                 KERN_ERR,
 314                                 LOG_INIT,
 315                                 "%d:0453 Adapter failed to init, mbxCmd x%x "
 316                                 "READ_CONFIG, mbxStatus x%x\n",
 317                                 phba->brd_no,
 318                                 mb->mbxCommand, mb->mbxStatus);
 319                 phba->hba_state = LPFC_HBA_ERROR;
 320                 mempool_free( pmb, phba->mbox_mem_pool);
 321                 return -EIO;
 322         }
 323
 324         /* Reset the DFT_HBA_Q_DEPTH to the max xri  */
 325         if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
 326                 phba->cfg_hba_queue_depth =
 327                         mb->un.varRdConfig.max_xri + 1;
 328
 329         phba->lmt = mb->un.varRdConfig.lmt;
 330         /* HBA is not 4GB capable, or HBA is not 2GB capable,
 331         don't let link speed ask for it */
 332         if ((((phba->lmt & LMT_4250_10bit) != LMT_4250_10bit) &&
 333                 (phba->cfg_link_speed > LINK_SPEED_2G)) ||
 334                 (((phba->lmt & LMT_2125_10bit) != LMT_2125_10bit) &&
 335                 (phba->cfg_link_speed > LINK_SPEED_1G))) {
 336                 /* Reset link speed to auto. 1G/2GB HBA cfg'd for 4G */
 337                 lpfc_printf_log(phba,
 338                         KERN_WARNING,
 339                         LOG_LINK_EVENT,
 340                         "%d:1302 Invalid speed for this board: "
 341                         "Reset link speed to auto: x%x\n",
 342                         phba->brd_no,
 343                         phba->cfg_link_speed);
 344                         phba->cfg_link_speed = LINK_SPEED_AUTO;
 345         }
 346
 347         phba->hba_state = LPFC_LINK_DOWN;
 348
 349         /* Only process IOCBs on ring 0 till hba_state is READY */
 350         if (psli->ring[psli->ip_ring].cmdringaddr)
 351                 psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT;
 352         if (psli->ring[psli->fcp_ring].cmdringaddr)
 353                 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
 354         if (psli->ring[psli->next_ring].cmdringaddr)
 355                 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
 356
 357         /* Post receive buffers for desired rings */
 358         lpfc_post_rcv_buf(phba);
 359
 360         /* Enable appropriate host interrupts */
 361         spin_lock_irq(phba->host->host_lock);
 362         status = readl(phba->HCregaddr);
 363         status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
 364         if (psli->num_rings > 0)
 365                 status |= HC_R0INT_ENA;
 366         if (psli->num_rings > 1)
 367                 status |= HC_R1INT_ENA;
 368         if (psli->num_rings > 2)
 369                 status |= HC_R2INT_ENA;
 370         if (psli->num_rings > 3)
 371                 status |= HC_R3INT_ENA;
 372
 373         if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
 374             (phba->cfg_poll & DISABLE_FCP_RING_INT))
 375                 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
 376
 377         writel(status, phba->HCregaddr);
 378         readl(phba->HCregaddr); /* flush */
 379         spin_unlock_irq(phba->host->host_lock);
 380
 381         /*
 382          * Setup the ring 0 (els)  timeout handler
 383          */
 384         timeout = phba->fc_ratov << 1;
 385         phba->els_tmofunc.expires = jiffies + HZ * timeout;
 386         add_timer(&phba->els_tmofunc);
 387
 388         lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
 389         pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 390         if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) {
 391                 lpfc_printf_log(phba,
 392                                 KERN_ERR,
 393                                 LOG_INIT,
 394                                 "%d:0454 Adapter failed to init, mbxCmd x%x "
 395                                 "INIT_LINK, mbxStatus x%x\n",
 396                                 phba->brd_no,
 397                                 mb->mbxCommand, mb->mbxStatus);
 398
 399                 /* Clear all interrupt enable conditions */
 400                 writel(0, phba->HCregaddr);
 401                 readl(phba->HCregaddr); /* flush */
 402                 /* Clear all pending interrupts */
 403                 writel(0xffffffff, phba->HAregaddr);
 404                 readl(phba->HAregaddr); /* flush */
 405
 406                 phba->hba_state = LPFC_HBA_ERROR;
 407                 mempool_free(pmb, phba->mbox_mem_pool);
 408                 return -EIO;
 409         }
 410         /* MBOX buffer will be freed in mbox compl */
 411
 412         i = 0;
 413         while ((phba->hba_state != LPFC_HBA_READY) ||
 414                (phba->num_disc_nodes) || (phba->fc_prli_sent) ||
 415                ((phba->fc_map_cnt == 0) && (i<2)) ||
 416                (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
 417                 /* Check every second for 30 retries. */
 418                 i++;
 419                 if (i > 30) {
 420                         break;
 421                 }
 422                 if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
 423                         /* The link is down.  Set linkdown timeout */
 424                         break;
 425                 }
 426
 427                 /* Delay for 1 second to give discovery time to complete. */
 428                 msleep(1000);
 429
 430         }
 431
 432         /* Since num_disc_nodes keys off of PLOGI, delay a bit to let
 433          * any potential PRLIs to flush thru the SLI sub-system.
 434          */
 435         msleep(50);
 436
 437         return (0);
 438 }
 439
 440 /************************************************************************/
 441 /*                                                                      */
 442 /*    lpfc_hba_down_prep                                                */
 443 /*    This routine will do LPFC uninitialization before the             */
 444 /*    HBA is reset when bringing down the SLI Layer. This will be       */
 445 /*    initialized as a SLI layer callback routine.                      */
 446 /*    This routine returns 0 on success. Any other return value         */
 447 /*    indicates an error.                                               */
 448 /*                                                                      */
 449 /************************************************************************/
 450 int
 451 lpfc_hba_down_prep(struct lpfc_hba * phba)
 452 {
 453         /* Disable interrupts */
 454         writel(0, phba->HCregaddr);
 455         readl(phba->HCregaddr); /* flush */
 456
 457         /* Cleanup potential discovery resources */
 458         lpfc_els_flush_rscn(phba);
 459         lpfc_els_flush_cmd(phba);
 460         lpfc_disc_flush_list(phba);
 461
 462         /* Disable SLI2 since we disabled interrupts */
 463         phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE;
 464         return (0);
 465 }
 466
 467 /************************************************************************/
 468 /*                                                                      */
 469 /*    lpfc_hba_down_post                                                */
 470 /*    This routine will do uninitialization after the HBA is reset      */
 471 /*    when bringing down the SLI Layer.                                 */
 472 /*    This routine returns 0 on success. Any other return value         */
 473 /*    indicates an error.                                               */
 474 /*                                                                      */
 475 /************************************************************************/
 476 int
 477 lpfc_hba_down_post(struct lpfc_hba * phba)
 478 {
 479         struct lpfc_sli *psli = &phba->sli;
 480         struct lpfc_sli_ring *pring;
 481         struct lpfc_dmabuf *mp, *next_mp;
 482         int i;
 483
 484         /* Cleanup preposted buffers on the ELS ring */
 485         pring = &psli->ring[LPFC_ELS_RING];
 486         list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
 487                 list_del(&mp->list);
 488                 pring->postbufq_cnt--;
 489                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 490                 kfree(mp);
 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 /************************************************************************/
 502 /*                                                                      */
 503 /*    lpfc_handle_eratt                                                 */
 504 /*    This routine will handle processing a Host Attention              */
 505 /*    Error Status event. This will be initialized                      */
 506 /*    as a SLI layer callback routine.                                  */
 507 /*                                                                      */
 508 /************************************************************************/
 509 void
 510 lpfc_handle_eratt(struct lpfc_hba * phba)
 511 {
 512         struct lpfc_sli *psli = &phba->sli;
 513         struct lpfc_sli_ring  *pring;
 514
 515         if (phba->work_hs & HS_FFER6) {
 516                 /* Re-establishing Link */
 517                 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
 518                                 "%d:1301 Re-establishing Link "
 519                                 "Data: x%x x%x x%x\n",
 520                                 phba->brd_no, phba->work_hs,
 521                                 phba->work_status[0], phba->work_status[1]);
 522                 spin_lock_irq(phba->host->host_lock);
 523                 phba->fc_flag |= FC_ESTABLISH_LINK;
 524                 spin_unlock_irq(phba->host->host_lock);
 525
 526                 /*
 527                 * Firmware stops when it triggled erratt with HS_FFER6.
 528                 * That could cause the I/Os dropped by the firmware.
 529                 * Error iocb (I/O) on txcmplq and let the SCSI layer
 530                 * retry it after re-establishing link.
 531                 */
 532                 pring = &psli->ring[psli->fcp_ring];
 533                 lpfc_sli_abort_iocb_ring(phba, pring);
 534
 535
 536                 /*
 537                  * There was a firmware error.  Take the hba offline and then
 538                  * attempt to restart it.
 539                  */
 540                 lpfc_offline(phba);
 541                 lpfc_sli_brdrestart(phba);
 542                 if (lpfc_online(phba) == 0) {   /* Initialize the HBA */
 543                         mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
 544                         return;
 545                 }
 546         } else {
 547                 /* The if clause above forces this code path when the status
 548                  * failure is a value other than FFER6.  Do not call the offline
 549                  *  twice. This is the adapter hardware error path.
 550                  */
 551                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 552                                 "%d:0457 Adapter Hardware Error "
 553                                 "Data: x%x x%x x%x\n",
 554                                 phba->brd_no, phba->work_hs,
 555                                 phba->work_status[0], phba->work_status[1]);
 556
 557                 lpfc_offline(phba);
 558                 phba->hba_state = LPFC_HBA_ERROR;
 559                 lpfc_hba_down_post(phba);
 560         }
 561 }
 562
 563 /************************************************************************/
 564 /*                                                                      */
 565 /*    lpfc_handle_latt                                                  */
 566 /*    This routine will handle processing a Host Attention              */
 567 /*    Link Status event. This will be initialized                       */
 568 /*    as a SLI layer callback routine.                                  */
 569 /*                                                                      */
 570 /************************************************************************/
 571 void
 572 lpfc_handle_latt(struct lpfc_hba * phba)
 573 {
 574         struct lpfc_sli *psli = &phba->sli;
 575         LPFC_MBOXQ_t *pmb;
 576         volatile uint32_t control;
 577         struct lpfc_dmabuf *mp;
 578         int rc = -ENOMEM;
 579
 580         pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 581         if (!pmb)
 582                 goto lpfc_handle_latt_err_exit;
 583
 584         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 585         if (!mp)
 586                 goto lpfc_handle_latt_free_pmb;
 587
 588         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
 589         if (!mp->virt)
 590                 goto lpfc_handle_latt_free_mp;
 591
 592         rc = -EIO;
 593
 594         /* Cleanup any outstanding ELS commands */
 595         lpfc_els_flush_cmd(phba);
 596
 597         psli->slistat.link_event++;
 598         lpfc_read_la(phba, pmb, mp);
 599         pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
 600         rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
 601         if (rc == MBX_NOT_FINISHED)
 602                 goto lpfc_handle_latt_free_mp;
 603
 604         /* Clear Link Attention in HA REG */
 605         spin_lock_irq(phba->host->host_lock);
 606         writel(HA_LATT, phba->HAregaddr);
 607         readl(phba->HAregaddr); /* flush */
 608         spin_unlock_irq(phba->host->host_lock);
 609
 610         return;
 611
 612 lpfc_handle_latt_free_mp:
 613         kfree(mp);
 614 lpfc_handle_latt_free_pmb:
 615         kfree(pmb);
 616 lpfc_handle_latt_err_exit:
 617         /* Enable Link attention interrupts */
 618         spin_lock_irq(phba->host->host_lock);
 619         psli->sli_flag |= LPFC_PROCESS_LA;
 620         control = readl(phba->HCregaddr);
 621         control |= HC_LAINT_ENA;
 622         writel(control, phba->HCregaddr);
 623         readl(phba->HCregaddr); /* flush */
 624
 625         /* Clear Link Attention in HA REG */
 626         writel(HA_LATT, phba->HAregaddr);
 627         readl(phba->HAregaddr); /* flush */
 628         spin_unlock_irq(phba->host->host_lock);
 629         lpfc_linkdown(phba);
 630         phba->hba_state = LPFC_HBA_ERROR;
 631
 632         /* The other case is an error from issue_mbox */
 633         if (rc == -ENOMEM)
 634                 lpfc_printf_log(phba,
 635                                 KERN_WARNING,
 636                                 LOG_MBOX,
 637                                 "%d:0300 READ_LA: no buffers\n",
 638                                 phba->brd_no);
 639
 640         return;
 641 }
 642
 643 /************************************************************************/
 644 /*                                                                      */
 645 /*   lpfc_parse_vpd                                                     */
 646 /*   This routine will parse the VPD data                               */
 647 /*                                                                      */
 648 /************************************************************************/
 649 static int
 650 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd)
 651 {
 652         uint8_t lenlo, lenhi;
 653         uint32_t Length;
 654         int i, j;
 655         int finished = 0;
 656         int index = 0;
 657
 658         if (!vpd)
 659                 return 0;
 660
 661         /* Vital Product */
 662         lpfc_printf_log(phba,
 663                         KERN_INFO,
 664                         LOG_INIT,
 665                         "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
 666                         phba->brd_no,
 667                         (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
 668                         (uint32_t) vpd[3]);
 669         do {
 670                 switch (vpd[index]) {
 671                 case 0x82:
 672                         index += 1;
 673                         lenlo = vpd[index];
 674                         index += 1;
 675                         lenhi = vpd[index];
 676                         index += 1;
 677                         i = ((((unsigned short)lenhi) << 8) + lenlo);
 678                         index += i;
 679                         break;
 680                 case 0x90:
 681                         index += 1;
 682                         lenlo = vpd[index];
 683                         index += 1;
 684                         lenhi = vpd[index];
 685                         index += 1;
 686                         Length = ((((unsigned short)lenhi) << 8) + lenlo);
 687
 688                         while (Length > 0) {
 689                         /* Look for Serial Number */
 690                         if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
 691                                 index += 2;
 692                                 i = vpd[index];
 693                                 index += 1;
 694                                 j = 0;
 695                                 Length -= (3+i);
 696                                 while(i--) {
 697                                         phba->SerialNumber[j++] = vpd[index++];
 698                                         if (j == 31)
 699                                                 break;
 700                                 }
 701                                 phba->SerialNumber[j] = 0;
 702                                 continue;
 703                         }
 704                         else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
 705                                 phba->vpd_flag |= VPD_MODEL_DESC;
 706                                 index += 2;
 707                                 i = vpd[index];
 708                                 index += 1;
 709                                 j = 0;
 710                                 Length -= (3+i);
 711                                 while(i--) {
 712                                         phba->ModelDesc[j++] = vpd[index++];
 713                                         if (j == 255)
 714                                                 break;
 715                                 }
 716                                 phba->ModelDesc[j] = 0;
 717                                 continue;
 718                         }
 719                         else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
 720                                 phba->vpd_flag |= VPD_MODEL_NAME;
 721                                 index += 2;
 722                                 i = vpd[index];
 723                                 index += 1;
 724                                 j = 0;
 725                                 Length -= (3+i);
 726                                 while(i--) {
 727                                         phba->ModelName[j++] = vpd[index++];
 728                                         if (j == 79)
 729                                                 break;
 730                                 }
 731                                 phba->ModelName[j] = 0;
 732                                 continue;
 733                         }
 734                         else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
 735                                 phba->vpd_flag |= VPD_PROGRAM_TYPE;
 736                                 index += 2;
 737                                 i = vpd[index];
 738                                 index += 1;
 739                                 j = 0;
 740                                 Length -= (3+i);
 741                                 while(i--) {
 742                                         phba->ProgramType[j++] = vpd[index++];
 743                                         if (j == 255)
 744                                                 break;
 745                                 }
 746                                 phba->ProgramType[j] = 0;
 747                                 continue;
 748                         }
 749                         else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
 750                                 phba->vpd_flag |= VPD_PORT;
 751                                 index += 2;
 752                                 i = vpd[index];
 753                                 index += 1;
 754                                 j = 0;
 755                                 Length -= (3+i);
 756                                 while(i--) {
 757                                 phba->Port[j++] = vpd[index++];
 758                                 if (j == 19)
 759                                         break;
 760                                 }
 761                                 phba->Port[j] = 0;
 762                                 continue;
 763                         }
 764                         else {
 765                                 index += 2;
 766                                 i = vpd[index];
 767                                 index += 1;
 768                                 index += i;
 769                                 Length -= (3 + i);
 770                         }
 771                 }
 772                 finished = 0;
 773                 break;
 774                 case 0x78:
 775                         finished = 1;
 776                         break;
 777                 default:
 778                         index ++;
 779                         break;
 780                 }
 781         } while (!finished && (index < 108));
 782
 783         return(1);
 784 }
 785
 786 static void
 787 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
 788 {
 789         lpfc_vpd_t *vp;
 790         uint16_t dev_id = phba->pcidev->device;
 791         uint16_t dev_subid = phba->pcidev->subsystem_device;
 792         uint8_t hdrtype = phba->pcidev->hdr_type;
 793         char *model_str = "";
 794
 795         vp = &phba->vpd;
 796
 797         switch (dev_id) {
 798         case PCI_DEVICE_ID_FIREFLY:
 799                 model_str = "LP6000 1Gb PCI";
 800                 break;
 801         case PCI_DEVICE_ID_SUPERFLY:
 802                 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
 803                         model_str = "LP7000 1Gb PCI";
 804                 else
 805                         model_str = "LP7000E 1Gb PCI";
 806                 break;
 807         case PCI_DEVICE_ID_DRAGONFLY:
 808                 model_str = "LP8000 1Gb PCI";
 809                 break;
 810         case PCI_DEVICE_ID_CENTAUR:
 811                 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
 812                         model_str = "LP9002 2Gb PCI";
 813                 else
 814                         model_str = "LP9000 1Gb PCI";
 815                 break;
 816         case PCI_DEVICE_ID_RFLY:
 817                 model_str = "LP952 2Gb PCI";
 818                 break;
 819         case PCI_DEVICE_ID_PEGASUS:
 820                 model_str = "LP9802 2Gb PCI-X";
 821                 break;
 822         case PCI_DEVICE_ID_THOR:
 823                 if (hdrtype == 0x80)
 824                         model_str = "LP10000DC 2Gb 2-port PCI-X";
 825                 else
 826                         model_str = "LP10000 2Gb PCI-X";
 827                 break;
 828         case PCI_DEVICE_ID_VIPER:
 829                 model_str = "LPX1000 10Gb PCI-X";
 830                 break;
 831         case PCI_DEVICE_ID_PFLY:
 832                 model_str = "LP982 2Gb PCI-X";
 833                 break;
 834         case PCI_DEVICE_ID_TFLY:
 835                 if (hdrtype == 0x80)
 836                         model_str = "LP1050DC 2Gb 2-port PCI-X";
 837                 else
 838                         model_str = "LP1050 2Gb PCI-X";
 839                 break;
 840         case PCI_DEVICE_ID_HELIOS:
 841                 if (hdrtype == 0x80)
 842                         model_str = "LP11002 4Gb 2-port PCI-X2";
 843                 else
 844                         model_str = "LP11000 4Gb PCI-X2";
 845                 break;
 846         case PCI_DEVICE_ID_HELIOS_SCSP:
 847                 model_str = "LP11000-SP 4Gb PCI-X2";
 848                 break;
 849         case PCI_DEVICE_ID_HELIOS_DCSP:
 850                 model_str = "LP11002-SP 4Gb 2-port PCI-X2";
 851                 break;
 852         case PCI_DEVICE_ID_NEPTUNE:
 853                 if (hdrtype == 0x80)
 854                         model_str = "LPe1002 4Gb 2-port";
 855                 else
 856                         model_str = "LPe1000 4Gb PCIe";
 857                 break;
 858         case PCI_DEVICE_ID_NEPTUNE_SCSP:
 859                 model_str = "LPe1000-SP 4Gb PCIe";
 860                 break;
 861         case PCI_DEVICE_ID_NEPTUNE_DCSP:
 862                 model_str = "LPe1002-SP 4Gb 2-port PCIe";
 863                 break;
 864         case PCI_DEVICE_ID_BMID:
 865                 model_str = "LP1150 4Gb PCI-X2";
 866                 break;
 867         case PCI_DEVICE_ID_BSMB:
 868                 model_str = "LP111 4Gb PCI-X2";
 869                 break;
 870         case PCI_DEVICE_ID_ZEPHYR:
 871                 if (hdrtype == 0x80)
 872                         model_str = "LPe11002 4Gb 2-port PCIe";
 873                 else
 874                         model_str = "LPe11000 4Gb PCIe";
 875                 break;
 876         case PCI_DEVICE_ID_ZEPHYR_SCSP:
 877                 model_str = "LPe11000-SP 4Gb PCIe";
 878                 break;
 879         case PCI_DEVICE_ID_ZEPHYR_DCSP:
 880                 model_str = "LPe11002-SP 4Gb 2-port PCIe";
 881                 break;
 882         case PCI_DEVICE_ID_ZMID:
 883                 model_str = "LPe1150 4Gb PCIe";
 884                 break;
 885         case PCI_DEVICE_ID_ZSMB:
 886                 model_str = "LPe111 4Gb PCIe";
 887                 break;
 888         case PCI_DEVICE_ID_LP101:
 889                 model_str = "LP101 2Gb PCI-X";
 890                 break;
 891         case PCI_DEVICE_ID_LP10000S:
 892                 model_str = "LP10000-S 2Gb PCI";
 893                 break;
 894         case PCI_DEVICE_ID_LP11000S:
 895         case PCI_DEVICE_ID_LPE11000S:
 896                 switch (dev_subid) {
 897                 case PCI_SUBSYSTEM_ID_LP11000S:
 898                         model_str = "LP11002-S 4Gb PCI-X2";
 899                         break;
 900                 case PCI_SUBSYSTEM_ID_LP11002S:
 901                         model_str = "LP11000-S 4Gb 2-port PCI-X2";
 902                         break;
 903                 case PCI_SUBSYSTEM_ID_LPE11000S:
 904                         model_str = "LPe11002-S 4Gb PCIe";
 905                         break;
 906                 case PCI_SUBSYSTEM_ID_LPE11002S:
 907                         model_str = "LPe11002-S 4Gb 2-port PCIe";
 908                         break;
 909                 case PCI_SUBSYSTEM_ID_LPE11010S:
 910                         model_str = "LPe11010-S 4Gb 10-port PCIe";
 911                         break;
 912                 default:
 913                         break;
 914                 }
 915                 break;
 916         default:
 917                 break;
 918         }
 919         if (mdp)
 920                 sscanf(model_str, "%s", mdp);
 921         if (descp)
 922                 sprintf(descp, "Emulex %s Fibre Channel Adapter", model_str);
 923 }
 924
 925 /**************************************************/
 926 /*   lpfc_post_buffer                             */
 927 /*                                                */
 928 /*   This routine will post count buffers to the  */
 929 /*   ring with the QUE_RING_BUF_CN command. This  */
 930 /*   allows 3 buffers / command to be posted.     */
 931 /*   Returns the number of buffers NOT posted.    */
 932 /**************************************************/
 933 int
 934 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
 935                  int type)
 936 {
 937         IOCB_t *icmd;
 938         struct lpfc_iocbq *iocb;
 939         struct lpfc_dmabuf *mp1, *mp2;
 940
 941         cnt += pring->missbufcnt;
 942
 943         /* While there are buffers to post */
 944         while (cnt > 0) {
 945                 /* Allocate buffer for  command iocb */
 946                 spin_lock_irq(phba->host->host_lock);
 947                 iocb = lpfc_sli_get_iocbq(phba);
 948                 spin_unlock_irq(phba->host->host_lock);
 949                 if (iocb == NULL) {
 950                         pring->missbufcnt = cnt;
 951                         return cnt;
 952                 }
 953                 icmd = &iocb->iocb;
 954
 955                 /* 2 buffers can be posted per command */
 956                 /* Allocate buffer to post */
 957                 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
 958                 if (mp1)
 959                     mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
 960                                                 &mp1->phys);
 961                 if (mp1 == 0 || mp1->virt == 0) {
 962                         kfree(mp1);
 963                         spin_lock_irq(phba->host->host_lock);
 964                         lpfc_sli_release_iocbq(phba, iocb);
 965                         spin_unlock_irq(phba->host->host_lock);
 966                         pring->missbufcnt = cnt;
 967                         return cnt;
 968                 }
 969
 970                 INIT_LIST_HEAD(&mp1->list);
 971                 /* Allocate buffer to post */
 972                 if (cnt > 1) {
 973                         mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
 974                         if (mp2)
 975                                 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
 976                                                             &mp2->phys);
 977                         if (mp2 == 0 || mp2->virt == 0) {
 978                                 kfree(mp2);
 979                                 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
 980                                 kfree(mp1);
 981                                 spin_lock_irq(phba->host->host_lock);
 982                                 lpfc_sli_release_iocbq(phba, iocb);
 983                                 spin_unlock_irq(phba->host->host_lock);
 984                                 pring->missbufcnt = cnt;
 985                                 return cnt;
 986                         }
 987
 988                         INIT_LIST_HEAD(&mp2->list);
 989                 } else {
 990                         mp2 = NULL;
 991                 }
 992
 993                 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
 994                 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
 995                 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
 996                 icmd->ulpBdeCount = 1;
 997                 cnt--;
 998                 if (mp2) {
 999                         icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1000                         icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1001                         icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1002                         cnt--;
1003                         icmd->ulpBdeCount = 2;
1004                 }
1005
1006                 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1007                 icmd->ulpLe = 1;
1008
1009                 spin_lock_irq(phba->host->host_lock);
1010                 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1011                         lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1012                         kfree(mp1);
1013                         cnt++;
1014                         if (mp2) {
1015                                 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1016                                 kfree(mp2);
1017                                 cnt++;
1018                         }
1019                         lpfc_sli_release_iocbq(phba, iocb);
1020                         pring->missbufcnt = cnt;
1021                         spin_unlock_irq(phba->host->host_lock);
1022                         return cnt;
1023                 }
1024                 spin_unlock_irq(phba->host->host_lock);
1025                 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1026                 if (mp2) {
1027                         lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1028                 }
1029         }
1030         pring->missbufcnt = 0;
1031         return 0;
1032 }
1033
1034 /************************************************************************/
1035 /*                                                                      */
1036 /*   lpfc_post_rcv_buf                                                  */
1037 /*   This routine post initial rcv buffers to the configured rings      */
1038 /*                                                                      */
1039 /************************************************************************/
1040 static int
1041 lpfc_post_rcv_buf(struct lpfc_hba * phba)
1042 {
1043         struct lpfc_sli *psli = &phba->sli;
1044
1045         /* Ring 0, ELS / CT buffers */
1046         lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1047         /* Ring 2 - FCP no buffers needed */
1048
1049         return 0;
1050 }
1051
1052 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1053
1054 /************************************************************************/
1055 /*                                                                      */
1056 /*   lpfc_sha_init                                                      */
1057 /*                                                                      */
1058 /************************************************************************/
1059 static void
1060 lpfc_sha_init(uint32_t * HashResultPointer)
1061 {
1062         HashResultPointer[0] = 0x67452301;
1063         HashResultPointer[1] = 0xEFCDAB89;
1064         HashResultPointer[2] = 0x98BADCFE;
1065         HashResultPointer[3] = 0x10325476;
1066         HashResultPointer[4] = 0xC3D2E1F0;
1067 }
1068
1069 /************************************************************************/
1070 /*                                                                      */
1071 /*   lpfc_sha_iterate                                                   */
1072 /*                                                                      */
1073 /************************************************************************/
1074 static void
1075 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1076 {
1077         int t;
1078         uint32_t TEMP;
1079         uint32_t A, B, C, D, E;
1080         t = 16;
1081         do {
1082                 HashWorkingPointer[t] =
1083                     S(1,
1084                       HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1085                                                                      8] ^
1086                       HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1087         } while (++t <= 79);
1088         t = 0;
1089         A = HashResultPointer[0];
1090         B = HashResultPointer[1];
1091         C = HashResultPointer[2];
1092         D = HashResultPointer[3];
1093         E = HashResultPointer[4];
1094
1095         do {
1096                 if (t < 20) {
1097                         TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1098                 } else if (t < 40) {
1099                         TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1100                 } else if (t < 60) {
1101                         TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1102                 } else {
1103                         TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1104                 }
1105                 TEMP += S(5, A) + E + HashWorkingPointer[t];
1106                 E = D;
1107                 D = C;
1108                 C = S(30, B);
1109                 B = A;
1110                 A = TEMP;
1111         } while (++t <= 79);
1112
1113         HashResultPointer[0] += A;
1114         HashResultPointer[1] += B;
1115         HashResultPointer[2] += C;
1116         HashResultPointer[3] += D;
1117         HashResultPointer[4] += E;
1118
1119 }
1120
1121 /************************************************************************/
1122 /*                                                                      */
1123 /*   lpfc_challenge_key                                                 */
1124 /*                                                                      */
1125 /************************************************************************/
1126 static void
1127 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1128 {
1129         *HashWorking = (*RandomChallenge ^ *HashWorking);
1130 }
1131
1132 /************************************************************************/
1133 /*                                                                      */
1134 /*   lpfc_hba_init                                                      */
1135 /*                                                                      */
1136 /************************************************************************/
1137 void
1138 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1139 {
1140         int t;
1141         uint32_t *HashWorking;
1142         uint32_t *pwwnn = phba->wwnn;
1143
1144         HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1145         if (!HashWorking)
1146                 return;
1147
1148         memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1149         HashWorking[0] = HashWorking[78] = *pwwnn++;
1150         HashWorking[1] = HashWorking[79] = *pwwnn;
1151
1152         for (t = 0; t < 7; t++)
1153                 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1154
1155         lpfc_sha_init(hbainit);
1156         lpfc_sha_iterate(hbainit, HashWorking);
1157         kfree(HashWorking);
1158 }
1159
1160 static void
1161 lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind)
1162 {
1163         struct lpfc_nodelist *ndlp, *next_ndlp;
1164
1165         /* clean up phba - lpfc specific */
1166         lpfc_can_disctmo(phba);
1167         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
1168                                 nlp_listp) {
1169                 lpfc_nlp_remove(phba, ndlp);
1170         }
1171
1172         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1173                                  nlp_listp) {
1174                 lpfc_nlp_remove(phba, ndlp);
1175         }
1176
1177         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
1178                                 nlp_listp) {
1179                 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1180         }
1181
1182         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1183                                 nlp_listp) {
1184                 lpfc_nlp_remove(phba, ndlp);
1185         }
1186
1187         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1188                                 nlp_listp) {
1189                 lpfc_nlp_remove(phba, ndlp);
1190         }
1191
1192         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
1193                                 nlp_listp) {
1194                 lpfc_nlp_remove(phba, ndlp);
1195         }
1196
1197         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1198                                 nlp_listp) {
1199                 lpfc_nlp_remove(phba, ndlp);
1200         }
1201
1202         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1203                                 nlp_listp) {
1204                 lpfc_nlp_remove(phba, ndlp);
1205         }
1206
1207         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1208         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1209         INIT_LIST_HEAD(&phba->fc_unused_list);
1210         INIT_LIST_HEAD(&phba->fc_plogi_list);
1211         INIT_LIST_HEAD(&phba->fc_adisc_list);
1212         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1213         INIT_LIST_HEAD(&phba->fc_prli_list);
1214         INIT_LIST_HEAD(&phba->fc_npr_list);
1215
1216         phba->fc_map_cnt   = 0;
1217         phba->fc_unmap_cnt = 0;
1218         phba->fc_plogi_cnt = 0;
1219         phba->fc_adisc_cnt = 0;
1220         phba->fc_reglogin_cnt = 0;
1221         phba->fc_prli_cnt  = 0;
1222         phba->fc_npr_cnt   = 0;
1223         phba->fc_unused_cnt= 0;
1224         return;
1225 }
1226
1227 static void
1228 lpfc_establish_link_tmo(unsigned long ptr)
1229 {
1230         struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1231         unsigned long iflag;
1232
1233
1234         /* Re-establishing Link, timer expired */
1235         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1236                         "%d:1300 Re-establishing Link, timer expired "
1237                         "Data: x%x x%x\n",
1238                         phba->brd_no, phba->fc_flag, phba->hba_state);
1239         spin_lock_irqsave(phba->host->host_lock, iflag);
1240         phba->fc_flag &= ~FC_ESTABLISH_LINK;
1241         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1242 }
1243
1244 static int
1245 lpfc_stop_timer(struct lpfc_hba * phba)
1246 {
1247         struct lpfc_sli *psli = &phba->sli;
1248
1249         /* Instead of a timer, this has been converted to a
1250          * deferred procedding list.
1251          */
1252         while (!list_empty(&phba->freebufList)) {
1253
1254                 struct lpfc_dmabuf *mp = NULL;
1255
1256                 list_remove_head((&phba->freebufList), mp,
1257                                  struct lpfc_dmabuf, list);
1258                 if (mp) {
1259                         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1260                         kfree(mp);
1261                 }
1262         }
1263
1264         del_timer_sync(&phba->fcp_poll_timer);
1265         del_timer_sync(&phba->fc_estabtmo);
1266         del_timer_sync(&phba->fc_disctmo);
1267         del_timer_sync(&phba->fc_fdmitmo);
1268         del_timer_sync(&phba->els_tmofunc);
1269         psli = &phba->sli;
1270         del_timer_sync(&psli->mbox_tmo);
1271         return(1);
1272 }
1273
1274 int
1275 lpfc_online(struct lpfc_hba * phba)
1276 {
1277         if (!phba)
1278                 return 0;
1279
1280         if (!(phba->fc_flag & FC_OFFLINE_MODE))
1281                 return 0;
1282
1283         lpfc_printf_log(phba,
1284                        KERN_WARNING,
1285                        LOG_INIT,
1286                        "%d:0458 Bring Adapter online\n",
1287                        phba->brd_no);
1288
1289         if (!lpfc_sli_queue_setup(phba))
1290                 return 1;
1291
1292         if (lpfc_sli_hba_setup(phba))   /* Initialize the HBA */
1293                 return 1;
1294
1295         spin_lock_irq(phba->host->host_lock);
1296         phba->fc_flag &= ~FC_OFFLINE_MODE;
1297         spin_unlock_irq(phba->host->host_lock);
1298
1299         return 0;
1300 }
1301
1302 int
1303 lpfc_offline(struct lpfc_hba * phba)
1304 {
1305         struct lpfc_sli_ring *pring;
1306         struct lpfc_sli *psli;
1307         unsigned long iflag;
1308         int i = 0;
1309
1310         if (!phba)
1311                 return 0;
1312
1313         if (phba->fc_flag & FC_OFFLINE_MODE)
1314                 return 0;
1315
1316         psli = &phba->sli;
1317         pring = &psli->ring[psli->fcp_ring];
1318
1319         lpfc_linkdown(phba);
1320
1321         /* The linkdown event takes 30 seconds to timeout. */
1322         while (pring->txcmplq_cnt) {
1323                 mdelay(10);
1324                 if (i++ > 3000)
1325                         break;
1326         }
1327
1328         /* stop all timers associated with this hba */
1329         lpfc_stop_timer(phba);
1330         phba->work_hba_events = 0;
1331
1332         lpfc_printf_log(phba,
1333                        KERN_WARNING,
1334                        LOG_INIT,
1335                        "%d:0460 Bring Adapter offline\n",
1336                        phba->brd_no);
1337
1338         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1339            now.  */
1340         lpfc_sli_hba_down(phba);
1341         lpfc_cleanup(phba, 1);
1342         spin_lock_irqsave(phba->host->host_lock, iflag);
1343         phba->fc_flag |= FC_OFFLINE_MODE;
1344         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1345         return 0;
1346 }
1347
1348 /******************************************************************************
1349 * Function name: lpfc_scsi_free
1350 *
1351 * Description: Called from lpfc_pci_remove_one free internal driver resources
1352 *
1353 ******************************************************************************/
1354 static int
1355 lpfc_scsi_free(struct lpfc_hba * phba)
1356 {
1357         struct lpfc_scsi_buf *sb, *sb_next;
1358         struct lpfc_iocbq *io, *io_next;
1359
1360         spin_lock_irq(phba->host->host_lock);
1361         /* Release all the lpfc_scsi_bufs maintained by this host. */
1362         list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1363                 list_del(&sb->list);
1364                 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1365                                                                 sb->dma_handle);
1366                 kfree(sb);
1367                 phba->total_scsi_bufs--;
1368         }
1369
1370         /* Release all the lpfc_iocbq entries maintained by this host. */
1371         list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1372                 list_del(&io->list);
1373                 kfree(io);
1374                 phba->total_iocbq_bufs--;
1375         }
1376
1377         spin_unlock_irq(phba->host->host_lock);
1378
1379         return 0;
1380 }
1381
1382
1383 static int __devinit
1384 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1385 {
1386         struct Scsi_Host *host;
1387         struct lpfc_hba  *phba;
1388         struct lpfc_sli  *psli;
1389         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1390         unsigned long bar0map_len, bar2map_len;
1391         int error = -ENODEV, retval;
1392         int i;
1393         uint16_t iotag;
1394
1395         if (pci_enable_device(pdev))
1396                 goto out;
1397         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1398                 goto out_disable_device;
1399
1400         host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
1401         if (!host)
1402                 goto out_release_regions;
1403
1404         phba = (struct lpfc_hba*)host->hostdata;
1405         memset(phba, 0, sizeof (struct lpfc_hba));
1406         phba->host = host;
1407
1408         phba->fc_flag |= FC_LOADING;
1409         phba->pcidev = pdev;
1410
1411         /* Assign an unused board number */
1412         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1413                 goto out_put_host;
1414
1415         error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
1416         if (error)
1417                 goto out_put_host;
1418
1419         host->unique_id = phba->brd_no;
1420         init_MUTEX(&phba->hba_can_block);
1421         INIT_LIST_HEAD(&phba->ctrspbuflist);
1422         INIT_LIST_HEAD(&phba->rnidrspbuflist);
1423         INIT_LIST_HEAD(&phba->freebufList);
1424
1425         /* Initialize timers used by driver */
1426         init_timer(&phba->fc_estabtmo);
1427         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1428         phba->fc_estabtmo.data = (unsigned long)phba;
1429         init_timer(&phba->fc_disctmo);
1430         phba->fc_disctmo.function = lpfc_disc_timeout;
1431         phba->fc_disctmo.data = (unsigned long)phba;
1432
1433         init_timer(&phba->fc_fdmitmo);
1434         phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
1435         phba->fc_fdmitmo.data = (unsigned long)phba;
1436         init_timer(&phba->els_tmofunc);
1437         phba->els_tmofunc.function = lpfc_els_timeout;
1438         phba->els_tmofunc.data = (unsigned long)phba;
1439         psli = &phba->sli;
1440         init_timer(&psli->mbox_tmo);
1441         psli->mbox_tmo.function = lpfc_mbox_timeout;
1442         psli->mbox_tmo.data = (unsigned long)phba;
1443
1444         init_timer(&phba->fcp_poll_timer);
1445         phba->fcp_poll_timer.function = lpfc_poll_timeout;
1446         phba->fcp_poll_timer.data = (unsigned long)phba;
1447
1448         /*
1449          * Get all the module params for configuring this host and then
1450          * establish the host parameters.
1451          */
1452         lpfc_get_cfgparam(phba);
1453
1454         host->max_id = LPFC_MAX_TARGET;
1455         host->max_lun = phba->cfg_max_luns;
1456         host->this_id = -1;
1457
1458         /* Initialize all internally managed lists. */
1459         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1460         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1461         INIT_LIST_HEAD(&phba->fc_unused_list);
1462         INIT_LIST_HEAD(&phba->fc_plogi_list);
1463         INIT_LIST_HEAD(&phba->fc_adisc_list);
1464         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1465         INIT_LIST_HEAD(&phba->fc_prli_list);
1466         INIT_LIST_HEAD(&phba->fc_npr_list);
1467
1468
1469         pci_set_master(pdev);
1470         retval = pci_set_mwi(pdev);
1471         if (retval)
1472                 dev_printk(KERN_WARNING, &pdev->dev,
1473                            "Warning: pci_set_mwi returned %d\n", retval);
1474
1475         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1476                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1477                         goto out_idr_remove;
1478
1479         /*
1480          * Get the bus address of Bar0 and Bar2 and the number of bytes
1481          * required by each mapping.
1482          */
1483         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1484         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1485
1486         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1487         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1488
1489         /* Map HBA SLIM to a kernel virtual address. */
1490         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1491         if (!phba->slim_memmap_p) {
1492                 error = -ENODEV;
1493                 dev_printk(KERN_ERR, &pdev->dev,
1494                            "ioremap failed for SLIM memory.\n");
1495                 goto out_idr_remove;
1496         }
1497
1498         /* Map HBA Control Registers to a kernel virtual address. */
1499         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1500         if (!phba->ctrl_regs_memmap_p) {
1501                 error = -ENODEV;
1502                 dev_printk(KERN_ERR, &pdev->dev,
1503                            "ioremap failed for HBA control registers.\n");
1504                 goto out_iounmap_slim;
1505         }
1506
1507         /* Allocate memory for SLI-2 structures */
1508         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1509                                           &phba->slim2p_mapping, GFP_KERNEL);
1510         if (!phba->slim2p)
1511                 goto out_iounmap;
1512
1513         memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1514
1515         /* Initialize the SLI Layer to run with lpfc HBAs. */
1516         lpfc_sli_setup(phba);
1517         lpfc_sli_queue_setup(phba);
1518
1519         error = lpfc_mem_alloc(phba);
1520         if (error)
1521                 goto out_free_slim;
1522
1523         /* Initialize and populate the iocb list per host.  */
1524         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1525         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1526                 iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1527                 if (iocbq_entry == NULL) {
1528                         printk(KERN_ERR "%s: only allocated %d iocbs of "
1529                                 "expected %d count. Unloading driver.\n",
1530                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1531                         error = -ENOMEM;
1532                         goto out_free_iocbq;
1533                 }
1534
1535                 memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
1536                 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1537                 if (iotag == 0) {
1538                         kfree (iocbq_entry);
1539                         printk(KERN_ERR "%s: failed to allocate IOTAG. "
1540                                "Unloading driver.\n",
1541                                 __FUNCTION__);
1542                         error = -ENOMEM;
1543                         goto out_free_iocbq;
1544                 }
1545                 spin_lock_irq(phba->host->host_lock);
1546                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1547                 phba->total_iocbq_bufs++;
1548                 spin_unlock_irq(phba->host->host_lock);
1549         }
1550
1551         /* Initialize HBA structure */
1552         phba->fc_edtov = FF_DEF_EDTOV;
1553         phba->fc_ratov = FF_DEF_RATOV;
1554         phba->fc_altov = FF_DEF_ALTOV;
1555         phba->fc_arbtov = FF_DEF_ARBTOV;
1556
1557         INIT_LIST_HEAD(&phba->work_list);
1558         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1559         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1560
1561         /* Startup the kernel thread for this host adapter. */
1562         phba->worker_thread = kthread_run(lpfc_do_work, phba,
1563                                        "lpfc_worker_%d", phba->brd_no);
1564         if (IS_ERR(phba->worker_thread)) {
1565                 error = PTR_ERR(phba->worker_thread);
1566                 goto out_free_iocbq;
1567         }
1568
1569         /* We can rely on a queue depth attribute only after SLI HBA setup */
1570         host->can_queue = phba->cfg_hba_queue_depth - 10;
1571
1572         /* Tell the midlayer we support 16 byte commands */
1573         host->max_cmd_len = 16;
1574
1575         /* Initialize the list of scsi buffers used by driver for scsi IO. */
1576         spin_lock_init(&phba->scsi_buf_list_lock);
1577         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1578
1579         host->transportt = lpfc_transport_template;
1580         pci_set_drvdata(pdev, host);
1581         error = scsi_add_host(host, &pdev->dev);
1582         if (error)
1583                 goto out_kthread_stop;
1584
1585         error = lpfc_alloc_sysfs_attr(phba);
1586         if (error)
1587                 goto out_kthread_stop;
1588
1589         error = request_irq(phba->pcidev->irq, lpfc_intr_handler, SA_SHIRQ,
1590                                                         LPFC_DRIVER_NAME, phba);
1591         if (error) {
1592                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1593                         "%d:0451 Enable interrupt handler failed\n",
1594                         phba->brd_no);
1595                 goto out_free_sysfs_attr;
1596         }
1597         phba->MBslimaddr = phba->slim_memmap_p;
1598         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1599         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1600         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1601         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1602
1603         error = lpfc_sli_hba_setup(phba);
1604         if (error)
1605                 goto out_free_irq;
1606
1607         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1608                 spin_lock_irq(phba->host->host_lock);
1609                 lpfc_poll_start_timer(phba);
1610                 spin_unlock_irq(phba->host->host_lock);
1611         }
1612
1613         /*
1614          * set fixed host attributes
1615          * Must done after lpfc_sli_hba_setup()
1616          */
1617
1618         fc_host_node_name(host) = wwn_to_u64(phba->fc_nodename.u.wwn);
1619         fc_host_port_name(host) = wwn_to_u64(phba->fc_portname.u.wwn);
1620         fc_host_supported_classes(host) = FC_COS_CLASS3;
1621
1622         memset(fc_host_supported_fc4s(host), 0,
1623                 sizeof(fc_host_supported_fc4s(host)));
1624         fc_host_supported_fc4s(host)[2] = 1;
1625         fc_host_supported_fc4s(host)[7] = 1;
1626
1627         lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host));
1628
1629         fc_host_supported_speeds(host) = 0;
1630         switch (FC_JEDEC_ID(phba->vpd.rev.biuRev)) {
1631         case VIPER_JEDEC_ID:
1632                 fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT;
1633                 break;
1634         case HELIOS_JEDEC_ID:
1635                 fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT;
1636                 /* Fall through */
1637         case CENTAUR_2G_JEDEC_ID:
1638         case PEGASUS_JEDEC_ID:
1639         case THOR_JEDEC_ID:
1640                 fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT;
1641                 /* Fall through */
1642         default:
1643                 fc_host_supported_speeds(host) = FC_PORTSPEED_1GBIT;
1644         }
1645
1646         fc_host_maxframe_size(host) =
1647                 ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1648                  (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
1649
1650         /* This value is also unchanging */
1651         memset(fc_host_active_fc4s(host), 0,
1652                 sizeof(fc_host_active_fc4s(host)));
1653         fc_host_active_fc4s(host)[2] = 1;
1654         fc_host_active_fc4s(host)[7] = 1;
1655
1656         spin_lock_irq(phba->host->host_lock);
1657         phba->fc_flag &= ~FC_LOADING;
1658         spin_unlock_irq(phba->host->host_lock);
1659         return 0;
1660
1661 out_free_irq:
1662         lpfc_stop_timer(phba);
1663         phba->work_hba_events = 0;
1664         free_irq(phba->pcidev->irq, phba);
1665 out_free_sysfs_attr:
1666         lpfc_free_sysfs_attr(phba);
1667 out_kthread_stop:
1668         kthread_stop(phba->worker_thread);
1669 out_free_iocbq:
1670         list_for_each_entry_safe(iocbq_entry, iocbq_next,
1671                                                 &phba->lpfc_iocb_list, list) {
1672                 spin_lock_irq(phba->host->host_lock);
1673                 kfree(iocbq_entry);
1674                 phba->total_iocbq_bufs--;
1675                 spin_unlock_irq(phba->host->host_lock);
1676         }
1677         lpfc_mem_free(phba);
1678 out_free_slim:
1679         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1680                                                         phba->slim2p_mapping);
1681 out_iounmap:
1682         iounmap(phba->ctrl_regs_memmap_p);
1683 out_iounmap_slim:
1684         iounmap(phba->slim_memmap_p);
1685 out_idr_remove:
1686         idr_remove(&lpfc_hba_index, phba->brd_no);
1687 out_put_host:
1688         scsi_host_put(host);
1689 out_release_regions:
1690         pci_release_regions(pdev);
1691 out_disable_device:
1692         pci_disable_device(pdev);
1693 out:
1694         return error;
1695 }
1696
1697 static void __devexit
1698 lpfc_pci_remove_one(struct pci_dev *pdev)
1699 {
1700         struct Scsi_Host   *host = pci_get_drvdata(pdev);
1701         struct lpfc_hba    *phba = (struct lpfc_hba *)host->hostdata;
1702         unsigned long iflag;
1703
1704         lpfc_free_sysfs_attr(phba);
1705
1706         spin_lock_irqsave(phba->host->host_lock, iflag);
1707         phba->fc_flag |= FC_UNLOADING;
1708
1709         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1710
1711         fc_remove_host(phba->host);
1712         scsi_remove_host(phba->host);
1713
1714         kthread_stop(phba->worker_thread);
1715
1716         /*
1717          * Bring down the SLI Layer. This step disable all interrupts,
1718          * clears the rings, discards all mailbox commands, and resets
1719          * the HBA.
1720          */
1721         lpfc_sli_hba_down(phba);
1722         lpfc_sli_brdrestart(phba);
1723
1724         /* Release the irq reservation */
1725         free_irq(phba->pcidev->irq, phba);
1726
1727         lpfc_cleanup(phba, 0);
1728         lpfc_stop_timer(phba);
1729         phba->work_hba_events = 0;
1730
1731         /*
1732          * Call scsi_free before mem_free since scsi bufs are released to their
1733          * corresponding pools here.
1734          */
1735         lpfc_scsi_free(phba);
1736         lpfc_mem_free(phba);
1737
1738         /* Free resources associated with SLI2 interface */
1739         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
1740                           phba->slim2p, phba->slim2p_mapping);
1741
1742         /* unmap adapter SLIM and Control Registers */
1743         iounmap(phba->ctrl_regs_memmap_p);
1744         iounmap(phba->slim_memmap_p);
1745
1746         pci_release_regions(phba->pcidev);
1747         pci_disable_device(phba->pcidev);
1748
1749         idr_remove(&lpfc_hba_index, phba->brd_no);
1750         scsi_host_put(phba->host);
1751
1752         pci_set_drvdata(pdev, NULL);
1753 }
1754
1755 static struct pci_device_id lpfc_id_table[] = {
1756         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
1757                 PCI_ANY_ID, PCI_ANY_ID, },
1758         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
1759                 PCI_ANY_ID, PCI_ANY_ID, },
1760         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
1761                 PCI_ANY_ID, PCI_ANY_ID, },
1762         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
1763                 PCI_ANY_ID, PCI_ANY_ID, },
1764         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
1765                 PCI_ANY_ID, PCI_ANY_ID, },
1766         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
1767                 PCI_ANY_ID, PCI_ANY_ID, },
1768         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
1769                 PCI_ANY_ID, PCI_ANY_ID, },
1770         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
1771                 PCI_ANY_ID, PCI_ANY_ID, },
1772         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
1773                 PCI_ANY_ID, PCI_ANY_ID, },
1774         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
1775                 PCI_ANY_ID, PCI_ANY_ID, },
1776         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
1777                 PCI_ANY_ID, PCI_ANY_ID, },
1778         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
1779                 PCI_ANY_ID, PCI_ANY_ID, },
1780         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
1781                 PCI_ANY_ID, PCI_ANY_ID, },
1782         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
1783                 PCI_ANY_ID, PCI_ANY_ID, },
1784         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
1785                 PCI_ANY_ID, PCI_ANY_ID, },
1786         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
1787                 PCI_ANY_ID, PCI_ANY_ID, },
1788         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
1789                 PCI_ANY_ID, PCI_ANY_ID, },
1790         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
1791                 PCI_ANY_ID, PCI_ANY_ID, },
1792         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
1793                 PCI_ANY_ID, PCI_ANY_ID, },
1794         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
1795                 PCI_ANY_ID, PCI_ANY_ID, },
1796         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
1797                 PCI_ANY_ID, PCI_ANY_ID, },
1798         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
1799                 PCI_ANY_ID, PCI_ANY_ID, },
1800         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
1801                 PCI_ANY_ID, PCI_ANY_ID, },
1802         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
1803                 PCI_ANY_ID, PCI_ANY_ID, },
1804         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
1805                 PCI_ANY_ID, PCI_ANY_ID, },
1806         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
1807                 PCI_ANY_ID, PCI_ANY_ID, },
1808         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
1809                 PCI_ANY_ID, PCI_ANY_ID, },
1810         { 0 }
1811 };
1812
1813 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
1814
1815 static struct pci_driver lpfc_driver = {
1816         .name           = LPFC_DRIVER_NAME,
1817         .id_table       = lpfc_id_table,
1818         .probe          = lpfc_pci_probe_one,
1819         .remove         = __devexit_p(lpfc_pci_remove_one),
1820 };
1821
1822 static int __init
1823 lpfc_init(void)
1824 {
1825         int error = 0;
1826
1827         printk(LPFC_MODULE_DESC "\n");
1828         printk(LPFC_COPYRIGHT "\n");
1829
1830         lpfc_transport_template =
1831                                 fc_attach_transport(&lpfc_transport_functions);
1832         if (!lpfc_transport_template)
1833                 return -ENOMEM;
1834         error = pci_register_driver(&lpfc_driver);
1835         if (error)
1836                 fc_release_transport(lpfc_transport_template);
1837
1838         return error;
1839 }
1840
1841 static void __exit
1842 lpfc_exit(void)
1843 {
1844         pci_unregister_driver(&lpfc_driver);
1845         fc_release_transport(lpfc_transport_template);
1846 }
1847
1848 module_init(lpfc_init);
1849 module_exit(lpfc_exit);
1850 MODULE_LICENSE("GPL");
1851 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
1852 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1853 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);