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

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