drivers/scsi/lpfc/lpfc_init.c

   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Fibre Channel Host Bus Adapters.                                *
   4  * Copyright (C) 2004-2006 Emulex.  All rights reserved.           *
   5  * EMULEX and SLI are trademarks of Emulex.                        *
   6  * www.emulex.com                                                  *
   7  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
   8  *                                                                 *
   9  * This program is free software; you can redistribute it and/or   *
  10  * modify it under the terms of version 2 of the GNU General       *
  11  * Public License as published by the Free Software Foundation.    *
  12  * This program is distributed in the hope that it will be useful. *
  13  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  14  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  15  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  16  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  17  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  18  * more details, a copy of which can be found in the file COPYING  *
  19  * included with this package.                                     *
  20  *******************************************************************/
  21
  22 #include <linux/blkdev.h>
  23 #include <linux/delay.h>
  24 #include <linux/dma-mapping.h>
  25 #include <linux/idr.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/kthread.h>
  28 #include <linux/pci.h>
  29 #include <linux/spinlock.h>
  30
  31 #include <scsi/scsi.h>
  32 #include <scsi/scsi_device.h>
  33 #include <scsi/scsi_host.h>
  34 #include <scsi/scsi_transport_fc.h>
  35
  36 #include "lpfc_hw.h"
  37 #include "lpfc_sli.h"
  38 #include "lpfc_disc.h"
  39 #include "lpfc_scsi.h"
  40 #include "lpfc.h"
  41 #include "lpfc_logmsg.h"
  42 #include "lpfc_crtn.h"
  43 #include "lpfc_version.h"
  44
  45 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
  46 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
  47 static int lpfc_post_rcv_buf(struct lpfc_hba *);
  48
  49 static struct scsi_transport_template *lpfc_transport_template = NULL;
  50 static DEFINE_IDR(lpfc_hba_index);
  51
  52 /************************************************************************/
  53 /*                                                                      */
  54 /*    lpfc_config_port_prep                                             */
  55 /*    This routine will do LPFC initialization prior to the             */
  56 /*    CONFIG_PORT mailbox command. This will be initialized             */
  57 /*    as a SLI layer callback routine.                                  */
  58 /*    This routine returns 0 on success or -ERESTART if it wants        */
  59 /*    the SLI layer to reset the HBA and try again. Any                 */
  60 /*    other return value indicates an error.                            */
  61 /*                                                                      */
  62 /************************************************************************/
  63 int
  64 lpfc_config_port_prep(struct lpfc_hba * phba)
  65 {
  66         lpfc_vpd_t *vp = &phba->vpd;
  67         int i = 0, rc;
  68         LPFC_MBOXQ_t *pmb;
  69         MAILBOX_t *mb;
  70         char *lpfc_vpd_data = NULL;
  71         uint16_t offset = 0;
  72         static char licensed[56] =
  73                     "key unlock for use with gnu public licensed code only\0";
  74         static int init_key = 1;
  75
  76         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
  77         if (!pmb) {
  78                 phba->hba_state = LPFC_HBA_ERROR;
  79                 return -ENOMEM;
  80         }
  81
  82         mb = &pmb->mb;
  83         phba->hba_state = LPFC_INIT_MBX_CMDS;
  84
  85         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
  86                 if (init_key) {
  87                         uint32_t *ptext = (uint32_t *) licensed;
  88
  89                         for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
  90                                 *ptext = cpu_to_be32(*ptext);
  91                         init_key = 0;
  92                 }
  93
  94                 lpfc_read_nv(phba, pmb);
  95                 memset((char*)mb->un.varRDnvp.rsvd3, 0,
  96                         sizeof (mb->un.varRDnvp.rsvd3));
  97                 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
  98                          sizeof (licensed));
  99
 100                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 101
 102                 if (rc != MBX_SUCCESS) {
 103                         lpfc_printf_log(phba,
 104                                         KERN_ERR,
 105                                         LOG_MBOX,
 106                                         "%d:0324 Config Port initialization "
 107                                         "error, mbxCmd x%x READ_NVPARM, "
 108                                         "mbxStatus x%x\n",
 109                                         phba->brd_no,
 110                                         mb->mbxCommand, mb->mbxStatus);
 111                         mempool_free(pmb, phba->mbox_mem_pool);
 112                         return -ERESTART;
 113                 }
 114                 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
 115                        sizeof (mb->un.varRDnvp.nodename));
 116         }
 117
 118         /* Setup and issue mailbox READ REV command */
 119         lpfc_read_rev(phba, pmb);
 120         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 121         if (rc != MBX_SUCCESS) {
 122                 lpfc_printf_log(phba,
 123                                 KERN_ERR,
 124                                 LOG_INIT,
 125                                 "%d:0439 Adapter failed to init, mbxCmd x%x "
 126                                 "READ_REV, mbxStatus x%x\n",
 127                                 phba->brd_no,
 128                                 mb->mbxCommand, mb->mbxStatus);
 129                 mempool_free( pmb, phba->mbox_mem_pool);
 130                 return -ERESTART;
 131         }
 132
 133         /*
 134          * The value of rr must be 1 since the driver set the cv field to 1.
 135          * This setting requires the FW to set all revision fields.
 136          */
 137         if (mb->un.varRdRev.rr == 0) {
 138                 vp->rev.rBit = 0;
 139                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 140                                 "%d:0440 Adapter failed to init, READ_REV has "
 141                                 "missing revision information.\n",
 142                                 phba->brd_no);
 143                 mempool_free(pmb, phba->mbox_mem_pool);
 144                 return -ERESTART;
 145         }
 146
 147         /* Save information as VPD data */
 148         vp->rev.rBit = 1;
 149         vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
 150         memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
 151         vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
 152         memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
 153         vp->rev.biuRev = mb->un.varRdRev.biuRev;
 154         vp->rev.smRev = mb->un.varRdRev.smRev;
 155         vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
 156         vp->rev.endecRev = mb->un.varRdRev.endecRev;
 157         vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
 158         vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
 159         vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
 160         vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
 161         vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
 162         vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
 163
 164         if (lpfc_is_LC_HBA(phba->pcidev->device))
 165                 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
 166                                                 sizeof (phba->RandomData));
 167
 168         /* Get adapter VPD information */
 169         pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
 170         if (!pmb->context2)
 171                 goto out_free_mbox;
 172         lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
 173         if (!lpfc_vpd_data)
 174                 goto out_free_context2;
 175
 176         do {
 177                 lpfc_dump_mem(phba, pmb, offset);
 178                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 179
 180                 if (rc != MBX_SUCCESS) {
 181                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 182                                         "%d:0441 VPD not present on adapter, "
 183                                         "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
 184                                         phba->brd_no,
 185                                         mb->mbxCommand, mb->mbxStatus);
 186                         mb->un.varDmp.word_cnt = 0;
 187                 }
 188                 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
 189                         mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
 190                 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
 191                                                         mb->un.varDmp.word_cnt);
 192                 offset += mb->un.varDmp.word_cnt;
 193         } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
 194         lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
 195
 196         kfree(lpfc_vpd_data);
 197 out_free_context2:
 198         kfree(pmb->context2);
 199 out_free_mbox:
 200         mempool_free(pmb, phba->mbox_mem_pool);
 201         return 0;
 202 }
 203
 204 /************************************************************************/
 205 /*                                                                      */
 206 /*    lpfc_config_port_post                                             */
 207 /*    This routine will do LPFC initialization after the                */
 208 /*    CONFIG_PORT mailbox command. This will be initialized             */
 209 /*    as a SLI layer callback routine.                                  */
 210 /*    This routine returns 0 on success. Any other return value         */
 211 /*    indicates an error.                                               */
 212 /*                                                                      */
 213 /************************************************************************/
 214 int
 215 lpfc_config_port_post(struct lpfc_hba * phba)
 216 {
 217         LPFC_MBOXQ_t *pmb;
 218         MAILBOX_t *mb;
 219         struct lpfc_dmabuf *mp;
 220         struct lpfc_sli *psli = &phba->sli;
 221         uint32_t status, timeout;
 222         int i, j, rc;
 223
 224         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 225         if (!pmb) {
 226                 phba->hba_state = LPFC_HBA_ERROR;
 227                 return -ENOMEM;
 228         }
 229         mb = &pmb->mb;
 230
 231         lpfc_config_link(phba, pmb);
 232         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 233         if (rc != MBX_SUCCESS) {
 234                 lpfc_printf_log(phba,
 235                                 KERN_ERR,
 236                                 LOG_INIT,
 237                                 "%d:0447 Adapter failed init, mbxCmd x%x "
 238                                 "CONFIG_LINK mbxStatus x%x\n",
 239                                 phba->brd_no,
 240                                 mb->mbxCommand, mb->mbxStatus);
 241                 phba->hba_state = LPFC_HBA_ERROR;
 242                 mempool_free( pmb, phba->mbox_mem_pool);
 243                 return -EIO;
 244         }
 245
 246         /* Get login parameters for NID.  */
 247         lpfc_read_sparam(phba, pmb);
 248         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 249                 lpfc_printf_log(phba,
 250                                 KERN_ERR,
 251                                 LOG_INIT,
 252                                 "%d:0448 Adapter failed init, mbxCmd x%x "
 253                                 "READ_SPARM mbxStatus x%x\n",
 254                                 phba->brd_no,
 255                                 mb->mbxCommand, mb->mbxStatus);
 256                 phba->hba_state = LPFC_HBA_ERROR;
 257                 mp = (struct lpfc_dmabuf *) pmb->context1;
 258                 mempool_free( pmb, phba->mbox_mem_pool);
 259                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 260                 kfree(mp);
 261                 return -EIO;
 262         }
 263
 264         mp = (struct lpfc_dmabuf *) pmb->context1;
 265
 266         memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
 267         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 268         kfree(mp);
 269         pmb->context1 = NULL;
 270
 271         if (phba->cfg_soft_wwnn)
 272                 u64_to_wwn(phba->cfg_soft_wwnn, phba->fc_sparam.nodeName.u.wwn);
 273         if (phba->cfg_soft_wwpn)
 274                 u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn);
 275         memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
 276                sizeof (struct lpfc_name));
 277         memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
 278                sizeof (struct lpfc_name));
 279         /* If no serial number in VPD data, use low 6 bytes of WWNN */
 280         /* This should be consolidated into parse_vpd ? - mr */
 281         if (phba->SerialNumber[0] == 0) {
 282                 uint8_t *outptr;
 283
 284                 outptr = &phba->fc_nodename.u.s.IEEE[0];
 285                 for (i = 0; i < 12; i++) {
 286                         status = *outptr++;
 287                         j = ((status & 0xf0) >> 4);
 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                         i++;
 295                         j = (status & 0xf);
 296                         if (j <= 9)
 297                                 phba->SerialNumber[i] =
 298                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 299                         else
 300                                 phba->SerialNumber[i] =
 301                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 302                 }
 303         }
 304
 305         lpfc_read_config(phba, pmb);
 306         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 307                 lpfc_printf_log(phba,
 308                                 KERN_ERR,
 309                                 LOG_INIT,
 310                                 "%d:0453 Adapter failed to init, mbxCmd x%x "
 311                                 "READ_CONFIG, mbxStatus x%x\n",
 312                                 phba->brd_no,
 313                                 mb->mbxCommand, mb->mbxStatus);
 314                 phba->hba_state = LPFC_HBA_ERROR;
 315                 mempool_free( pmb, phba->mbox_mem_pool);
 316                 return -EIO;
 317         }
 318
 319         /* Reset the DFT_HBA_Q_DEPTH to the max xri  */
 320         if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
 321                 phba->cfg_hba_queue_depth =
 322                         mb->un.varRdConfig.max_xri + 1;
 323
 324         phba->lmt = mb->un.varRdConfig.lmt;
 325
 326         /* Get the default values for Model Name and Description */
 327         lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
 328
 329         if ((phba->cfg_link_speed > LINK_SPEED_10G)
 330             || ((phba->cfg_link_speed == LINK_SPEED_1G)
 331                 && !(phba->lmt & LMT_1Gb))
 332             || ((phba->cfg_link_speed == LINK_SPEED_2G)
 333                 && !(phba->lmt & LMT_2Gb))
 334             || ((phba->cfg_link_speed == LINK_SPEED_4G)
 335                 && !(phba->lmt & LMT_4Gb))
 336             || ((phba->cfg_link_speed == LINK_SPEED_8G)
 337                 && !(phba->lmt & LMT_8Gb))
 338             || ((phba->cfg_link_speed == LINK_SPEED_10G)
 339                 && !(phba->lmt & LMT_10Gb))) {
 340                 /* Reset link speed to auto */
 341                 lpfc_printf_log(phba,
 342                         KERN_WARNING,
 343                         LOG_LINK_EVENT,
 344                         "%d:1302 Invalid speed for this board: "
 345                         "Reset link speed to auto: x%x\n",
 346                         phba->brd_no,
 347                         phba->cfg_link_speed);
 348                         phba->cfg_link_speed = LINK_SPEED_AUTO;
 349         }
 350
 351         phba->hba_state = LPFC_LINK_DOWN;
 352
 353         /* Only process IOCBs on ring 0 till hba_state is READY */
 354         if (psli->ring[psli->extra_ring].cmdringaddr)
 355                 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
 356         if (psli->ring[psli->fcp_ring].cmdringaddr)
 357                 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
 358         if (psli->ring[psli->next_ring].cmdringaddr)
 359                 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
 360
 361         /* Post receive buffers for desired rings */
 362         lpfc_post_rcv_buf(phba);
 363
 364         /* Enable appropriate host interrupts */
 365         spin_lock_irq(phba->host->host_lock);
 366         status = readl(phba->HCregaddr);
 367         status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
 368         if (psli->num_rings > 0)
 369                 status |= HC_R0INT_ENA;
 370         if (psli->num_rings > 1)
 371                 status |= HC_R1INT_ENA;
 372         if (psli->num_rings > 2)
 373                 status |= HC_R2INT_ENA;
 374         if (psli->num_rings > 3)
 375                 status |= HC_R3INT_ENA;
 376
 377         if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
 378             (phba->cfg_poll & DISABLE_FCP_RING_INT))
 379                 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
 380
 381         writel(status, phba->HCregaddr);
 382         readl(phba->HCregaddr); /* flush */
 383         spin_unlock_irq(phba->host->host_lock);
 384
 385         /*
 386          * Setup the ring 0 (els)  timeout handler
 387          */
 388         timeout = phba->fc_ratov << 1;
 389         mod_timer(&phba->els_tmofunc, jiffies + HZ * timeout);
 390
 391         lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
 392         pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 393         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
 394         if (rc != MBX_SUCCESS) {
 395                 lpfc_printf_log(phba,
 396                                 KERN_ERR,
 397                                 LOG_INIT,
 398                                 "%d:0454 Adapter failed to init, mbxCmd x%x "
 399                                 "INIT_LINK, mbxStatus x%x\n",
 400                                 phba->brd_no,
 401                                 mb->mbxCommand, mb->mbxStatus);
 402
 403                 /* Clear all interrupt enable conditions */
 404                 writel(0, phba->HCregaddr);
 405                 readl(phba->HCregaddr); /* flush */
 406                 /* Clear all pending interrupts */
 407                 writel(0xffffffff, phba->HAregaddr);
 408                 readl(phba->HAregaddr); /* flush */
 409
 410                 phba->hba_state = LPFC_HBA_ERROR;
 411                 if (rc != MBX_BUSY)
 412                         mempool_free(pmb, phba->mbox_mem_pool);
 413                 return -EIO;
 414         }
 415         /* MBOX buffer will be freed in mbox compl */
 416
 417         return (0);
 418 }
 419
 420 static int
 421 lpfc_discovery_wait(struct lpfc_hba *phba)
 422 {
 423         int i = 0;
 424
 425         while ((phba->hba_state != LPFC_HBA_READY) ||
 426                (phba->num_disc_nodes) || (phba->fc_prli_sent) ||
 427                ((phba->fc_map_cnt == 0) && (i<2)) ||
 428                (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
 429                 /* Check every second for 30 retries. */
 430                 i++;
 431                 if (i > 30) {
 432                         return -ETIMEDOUT;
 433                 }
 434                 if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
 435                         /* The link is down.  Set linkdown timeout */
 436                         return -ETIMEDOUT;
 437                 }
 438
 439                 /* Delay for 1 second to give discovery time to complete. */
 440                 msleep(1000);
 441
 442         }
 443
 444         return 0;
 445 }
 446
 447 /************************************************************************/
 448 /*                                                                      */
 449 /*    lpfc_hba_down_prep                                                */
 450 /*    This routine will do LPFC uninitialization before the             */
 451 /*    HBA is reset when bringing down the SLI Layer. This will be       */
 452 /*    initialized as a SLI layer callback routine.                      */
 453 /*    This routine returns 0 on success. Any other return value         */
 454 /*    indicates an error.                                               */
 455 /*                                                                      */
 456 /************************************************************************/
 457 int
 458 lpfc_hba_down_prep(struct lpfc_hba * phba)
 459 {
 460         /* Disable interrupts */
 461         writel(0, phba->HCregaddr);
 462         readl(phba->HCregaddr); /* flush */
 463
 464         /* Cleanup potential discovery resources */
 465         lpfc_els_flush_rscn(phba);
 466         lpfc_els_flush_cmd(phba);
 467         lpfc_disc_flush_list(phba);
 468
 469         return (0);
 470 }
 471
 472 /************************************************************************/
 473 /*                                                                      */
 474 /*    lpfc_hba_down_post                                                */
 475 /*    This routine will do uninitialization after the HBA is reset      */
 476 /*    when bringing down the SLI Layer.                                 */
 477 /*    This routine returns 0 on success. Any other return value         */
 478 /*    indicates an error.                                               */
 479 /*                                                                      */
 480 /************************************************************************/
 481 int
 482 lpfc_hba_down_post(struct lpfc_hba * phba)
 483 {
 484         struct lpfc_sli *psli = &phba->sli;
 485         struct lpfc_sli_ring *pring;
 486         struct lpfc_dmabuf *mp, *next_mp;
 487         int i;
 488
 489         /* Cleanup preposted buffers on the ELS ring */
 490         pring = &psli->ring[LPFC_ELS_RING];
 491         list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
 492                 list_del(&mp->list);
 493                 pring->postbufq_cnt--;
 494                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 495                 kfree(mp);
 496         }
 497
 498         for (i = 0; i < psli->num_rings; i++) {
 499                 pring = &psli->ring[i];
 500                 lpfc_sli_abort_iocb_ring(phba, pring);
 501         }
 502
 503         return 0;
 504 }
 505
 506 /************************************************************************/
 507 /*                                                                      */
 508 /*    lpfc_handle_eratt                                                 */
 509 /*    This routine will handle processing a Host Attention              */
 510 /*    Error Status event. This will be initialized                      */
 511 /*    as a SLI layer callback routine.                                  */
 512 /*                                                                      */
 513 /************************************************************************/
 514 void
 515 lpfc_handle_eratt(struct lpfc_hba * phba)
 516 {
 517         struct lpfc_sli *psli = &phba->sli;
 518         struct lpfc_sli_ring  *pring;
 519         uint32_t event_data;
 520         /* If the pci channel is offline, ignore possible errors,
 521          * since we cannot communicate with the pci card anyway. */
 522         if (pci_channel_offline(phba->pcidev))
 523                 return;
 524
 525         if (phba->work_hs & HS_FFER6 ||
 526             phba->work_hs & HS_FFER5) {
 527                 /* Re-establishing Link */
 528                 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
 529                                 "%d:1301 Re-establishing Link "
 530                                 "Data: x%x x%x x%x\n",
 531                                 phba->brd_no, phba->work_hs,
 532                                 phba->work_status[0], phba->work_status[1]);
 533                 spin_lock_irq(phba->host->host_lock);
 534                 phba->fc_flag |= FC_ESTABLISH_LINK;
 535                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 536                 spin_unlock_irq(phba->host->host_lock);
 537
 538                 /*
 539                 * Firmware stops when it triggled erratt with HS_FFER6.
 540                 * That could cause the I/Os dropped by the firmware.
 541                 * Error iocb (I/O) on txcmplq and let the SCSI layer
 542                 * retry it after re-establishing link.
 543                 */
 544                 pring = &psli->ring[psli->fcp_ring];
 545                 lpfc_sli_abort_iocb_ring(phba, pring);
 546
 547
 548                 /*
 549                  * There was a firmware error.  Take the hba offline and then
 550                  * attempt to restart it.
 551                  */
 552                 lpfc_offline_prep(phba);
 553                 lpfc_offline(phba);
 554                 lpfc_sli_brdrestart(phba);
 555                 if (lpfc_online(phba) == 0) {   /* Initialize the HBA */
 556                         mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
 557                         lpfc_unblock_mgmt_io(phba);
 558                         return;
 559                 }
 560                 lpfc_unblock_mgmt_io(phba);
 561         } else {
 562                 /* The if clause above forces this code path when the status
 563                  * failure is a value other than FFER6.  Do not call the offline
 564                  *  twice. This is the adapter hardware error path.
 565                  */
 566                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 567                                 "%d:0457 Adapter Hardware Error "
 568                                 "Data: x%x x%x x%x\n",
 569                                 phba->brd_no, phba->work_hs,
 570                                 phba->work_status[0], phba->work_status[1]);
 571
 572                 event_data = FC_REG_DUMP_EVENT;
 573                 fc_host_post_vendor_event(phba->host, fc_get_event_number(),
 574                                 sizeof(event_data), (char *) &event_data,
 575                                 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
 576
 577                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 578                 lpfc_offline_prep(phba);
 579                 lpfc_offline(phba);
 580                 lpfc_unblock_mgmt_io(phba);
 581                 phba->hba_state = LPFC_HBA_ERROR;
 582                 lpfc_hba_down_post(phba);
 583         }
 584 }
 585
 586 /************************************************************************/
 587 /*                                                                      */
 588 /*    lpfc_handle_latt                                                  */
 589 /*    This routine will handle processing a Host Attention              */
 590 /*    Link Status event. This will be initialized                       */
 591 /*    as a SLI layer callback routine.                                  */
 592 /*                                                                      */
 593 /************************************************************************/
 594 void
 595 lpfc_handle_latt(struct lpfc_hba * phba)
 596 {
 597         struct lpfc_sli *psli = &phba->sli;
 598         LPFC_MBOXQ_t *pmb;
 599         volatile uint32_t control;
 600         struct lpfc_dmabuf *mp;
 601         int rc = -ENOMEM;
 602
 603         pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 604         if (!pmb)
 605                 goto lpfc_handle_latt_err_exit;
 606
 607         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 608         if (!mp)
 609                 goto lpfc_handle_latt_free_pmb;
 610
 611         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
 612         if (!mp->virt)
 613                 goto lpfc_handle_latt_free_mp;
 614
 615         rc = -EIO;
 616
 617         /* Cleanup any outstanding ELS commands */
 618         lpfc_els_flush_cmd(phba);
 619
 620         psli->slistat.link_event++;
 621         lpfc_read_la(phba, pmb, mp);
 622         pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
 623         rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
 624         if (rc == MBX_NOT_FINISHED)
 625                 goto lpfc_handle_latt_free_mbuf;
 626
 627         /* Clear Link Attention in HA REG */
 628         spin_lock_irq(phba->host->host_lock);
 629         writel(HA_LATT, phba->HAregaddr);
 630         readl(phba->HAregaddr); /* flush */
 631         spin_unlock_irq(phba->host->host_lock);
 632
 633         return;
 634
 635 lpfc_handle_latt_free_mbuf:
 636         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 637 lpfc_handle_latt_free_mp:
 638         kfree(mp);
 639 lpfc_handle_latt_free_pmb:
 640         mempool_free(pmb, phba->mbox_mem_pool);
 641 lpfc_handle_latt_err_exit:
 642         /* Enable Link attention interrupts */
 643         spin_lock_irq(phba->host->host_lock);
 644         psli->sli_flag |= LPFC_PROCESS_LA;
 645         control = readl(phba->HCregaddr);
 646         control |= HC_LAINT_ENA;
 647         writel(control, phba->HCregaddr);
 648         readl(phba->HCregaddr); /* flush */
 649
 650         /* Clear Link Attention in HA REG */
 651         writel(HA_LATT, phba->HAregaddr);
 652         readl(phba->HAregaddr); /* flush */
 653         spin_unlock_irq(phba->host->host_lock);
 654         lpfc_linkdown(phba);
 655         phba->hba_state = LPFC_HBA_ERROR;
 656
 657         /* The other case is an error from issue_mbox */
 658         if (rc == -ENOMEM)
 659                 lpfc_printf_log(phba,
 660                                 KERN_WARNING,
 661                                 LOG_MBOX,
 662                                 "%d:0300 READ_LA: no buffers\n",
 663                                 phba->brd_no);
 664
 665         return;
 666 }
 667
 668 /************************************************************************/
 669 /*                                                                      */
 670 /*   lpfc_parse_vpd                                                     */
 671 /*   This routine will parse the VPD data                               */
 672 /*                                                                      */
 673 /************************************************************************/
 674 static int
 675 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd, int len)
 676 {
 677         uint8_t lenlo, lenhi;
 678         int Length;
 679         int i, j;
 680         int finished = 0;
 681         int index = 0;
 682
 683         if (!vpd)
 684                 return 0;
 685
 686         /* Vital Product */
 687         lpfc_printf_log(phba,
 688                         KERN_INFO,
 689                         LOG_INIT,
 690                         "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
 691                         phba->brd_no,
 692                         (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
 693                         (uint32_t) vpd[3]);
 694         while (!finished && (index < (len - 4))) {
 695                 switch (vpd[index]) {
 696                 case 0x82:
 697                 case 0x91:
 698                         index += 1;
 699                         lenlo = vpd[index];
 700                         index += 1;
 701                         lenhi = vpd[index];
 702                         index += 1;
 703                         i = ((((unsigned short)lenhi) << 8) + lenlo);
 704                         index += i;
 705                         break;
 706                 case 0x90:
 707                         index += 1;
 708                         lenlo = vpd[index];
 709                         index += 1;
 710                         lenhi = vpd[index];
 711                         index += 1;
 712                         Length = ((((unsigned short)lenhi) << 8) + lenlo);
 713                         if (Length > len - index)
 714                                 Length = len - index;
 715                         while (Length > 0) {
 716                         /* Look for Serial Number */
 717                         if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
 718                                 index += 2;
 719                                 i = vpd[index];
 720                                 index += 1;
 721                                 j = 0;
 722                                 Length -= (3+i);
 723                                 while(i--) {
 724                                         phba->SerialNumber[j++] = vpd[index++];
 725                                         if (j == 31)
 726                                                 break;
 727                                 }
 728                                 phba->SerialNumber[j] = 0;
 729                                 continue;
 730                         }
 731                         else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
 732                                 phba->vpd_flag |= VPD_MODEL_DESC;
 733                                 index += 2;
 734                                 i = vpd[index];
 735                                 index += 1;
 736                                 j = 0;
 737                                 Length -= (3+i);
 738                                 while(i--) {
 739                                         phba->ModelDesc[j++] = vpd[index++];
 740                                         if (j == 255)
 741                                                 break;
 742                                 }
 743                                 phba->ModelDesc[j] = 0;
 744                                 continue;
 745                         }
 746                         else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
 747                                 phba->vpd_flag |= VPD_MODEL_NAME;
 748                                 index += 2;
 749                                 i = vpd[index];
 750                                 index += 1;
 751                                 j = 0;
 752                                 Length -= (3+i);
 753                                 while(i--) {
 754                                         phba->ModelName[j++] = vpd[index++];
 755                                         if (j == 79)
 756                                                 break;
 757                                 }
 758                                 phba->ModelName[j] = 0;
 759                                 continue;
 760                         }
 761                         else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
 762                                 phba->vpd_flag |= VPD_PROGRAM_TYPE;
 763                                 index += 2;
 764                                 i = vpd[index];
 765                                 index += 1;
 766                                 j = 0;
 767                                 Length -= (3+i);
 768                                 while(i--) {
 769                                         phba->ProgramType[j++] = vpd[index++];
 770                                         if (j == 255)
 771                                                 break;
 772                                 }
 773                                 phba->ProgramType[j] = 0;
 774                                 continue;
 775                         }
 776                         else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
 777                                 phba->vpd_flag |= VPD_PORT;
 778                                 index += 2;
 779                                 i = vpd[index];
 780                                 index += 1;
 781                                 j = 0;
 782                                 Length -= (3+i);
 783                                 while(i--) {
 784                                 phba->Port[j++] = vpd[index++];
 785                                 if (j == 19)
 786                                         break;
 787                                 }
 788                                 phba->Port[j] = 0;
 789                                 continue;
 790                         }
 791                         else {
 792                                 index += 2;
 793                                 i = vpd[index];
 794                                 index += 1;
 795                                 index += i;
 796                                 Length -= (3 + i);
 797                         }
 798                 }
 799                 finished = 0;
 800                 break;
 801                 case 0x78:
 802                         finished = 1;
 803                         break;
 804                 default:
 805                         index ++;
 806                         break;
 807                 }
 808         }
 809
 810         return(1);
 811 }
 812
 813 static void
 814 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
 815 {
 816         lpfc_vpd_t *vp;
 817         uint16_t dev_id = phba->pcidev->device;
 818         int max_speed;
 819         struct {
 820                 char * name;
 821                 int    max_speed;
 822                 char * bus;
 823         } m = {"<Unknown>", 0, ""};
 824
 825         if (mdp && mdp[0] != '\0'
 826                 && descp && descp[0] != '\0')
 827                 return;
 828
 829         if (phba->lmt & LMT_10Gb)
 830                 max_speed = 10;
 831         else if (phba->lmt & LMT_8Gb)
 832                 max_speed = 8;
 833         else if (phba->lmt & LMT_4Gb)
 834                 max_speed = 4;
 835         else if (phba->lmt & LMT_2Gb)
 836                 max_speed = 2;
 837         else
 838                 max_speed = 1;
 839
 840         vp = &phba->vpd;
 841
 842         switch (dev_id) {
 843         case PCI_DEVICE_ID_FIREFLY:
 844                 m = (typeof(m)){"LP6000", max_speed, "PCI"};
 845                 break;
 846         case PCI_DEVICE_ID_SUPERFLY:
 847                 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
 848                         m = (typeof(m)){"LP7000", max_speed,  "PCI"};
 849                 else
 850                         m = (typeof(m)){"LP7000E", max_speed, "PCI"};
 851                 break;
 852         case PCI_DEVICE_ID_DRAGONFLY:
 853                 m = (typeof(m)){"LP8000", max_speed, "PCI"};
 854                 break;
 855         case PCI_DEVICE_ID_CENTAUR:
 856                 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
 857                         m = (typeof(m)){"LP9002", max_speed, "PCI"};
 858                 else
 859                         m = (typeof(m)){"LP9000", max_speed, "PCI"};
 860                 break;
 861         case PCI_DEVICE_ID_RFLY:
 862                 m = (typeof(m)){"LP952", max_speed, "PCI"};
 863                 break;
 864         case PCI_DEVICE_ID_PEGASUS:
 865                 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
 866                 break;
 867         case PCI_DEVICE_ID_THOR:
 868                 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
 869                 break;
 870         case PCI_DEVICE_ID_VIPER:
 871                 m = (typeof(m)){"LPX1000", max_speed,  "PCI-X"};
 872                 break;
 873         case PCI_DEVICE_ID_PFLY:
 874                 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
 875                 break;
 876         case PCI_DEVICE_ID_TFLY:
 877                 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
 878                 break;
 879         case PCI_DEVICE_ID_HELIOS:
 880                 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
 881                 break;
 882         case PCI_DEVICE_ID_HELIOS_SCSP:
 883                 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
 884                 break;
 885         case PCI_DEVICE_ID_HELIOS_DCSP:
 886                 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
 887                 break;
 888         case PCI_DEVICE_ID_NEPTUNE:
 889                 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
 890                 break;
 891         case PCI_DEVICE_ID_NEPTUNE_SCSP:
 892                 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
 893                 break;
 894         case PCI_DEVICE_ID_NEPTUNE_DCSP:
 895                 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
 896                 break;
 897         case PCI_DEVICE_ID_BMID:
 898                 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
 899                 break;
 900         case PCI_DEVICE_ID_BSMB:
 901                 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
 902                 break;
 903         case PCI_DEVICE_ID_ZEPHYR:
 904                 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
 905                 break;
 906         case PCI_DEVICE_ID_ZEPHYR_SCSP:
 907                 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
 908                 break;
 909         case PCI_DEVICE_ID_ZEPHYR_DCSP:
 910                 m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
 911                 break;
 912         case PCI_DEVICE_ID_ZMID:
 913                 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
 914                 break;
 915         case PCI_DEVICE_ID_ZSMB:
 916                 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
 917                 break;
 918         case PCI_DEVICE_ID_LP101:
 919                 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
 920                 break;
 921         case PCI_DEVICE_ID_LP10000S:
 922                 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
 923                 break;
 924         case PCI_DEVICE_ID_LP11000S:
 925                 m = (typeof(m)){"LP11000-S", max_speed,
 926                         "PCI-X2"};
 927                 break;
 928         case PCI_DEVICE_ID_LPE11000S:
 929                 m = (typeof(m)){"LPe11000-S", max_speed,
 930                         "PCIe"};
 931                 break;
 932         default:
 933                 m = (typeof(m)){ NULL };
 934                 break;
 935         }
 936
 937         if (mdp && mdp[0] == '\0')
 938                 snprintf(mdp, 79,"%s", m.name);
 939         if (descp && descp[0] == '\0')
 940                 snprintf(descp, 255,
 941                          "Emulex %s %dGb %s Fibre Channel Adapter",
 942                          m.name, m.max_speed, m.bus);
 943 }
 944
 945 /**************************************************/
 946 /*   lpfc_post_buffer                             */
 947 /*                                                */
 948 /*   This routine will post count buffers to the  */
 949 /*   ring with the QUE_RING_BUF_CN command. This  */
 950 /*   allows 3 buffers / command to be posted.     */
 951 /*   Returns the number of buffers NOT posted.    */
 952 /**************************************************/
 953 int
 954 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
 955                  int type)
 956 {
 957         IOCB_t *icmd;
 958         struct lpfc_iocbq *iocb;
 959         struct lpfc_dmabuf *mp1, *mp2;
 960
 961         cnt += pring->missbufcnt;
 962
 963         /* While there are buffers to post */
 964         while (cnt > 0) {
 965                 /* Allocate buffer for  command iocb */
 966                 spin_lock_irq(phba->host->host_lock);
 967                 iocb = lpfc_sli_get_iocbq(phba);
 968                 spin_unlock_irq(phba->host->host_lock);
 969                 if (iocb == NULL) {
 970                         pring->missbufcnt = cnt;
 971                         return cnt;
 972                 }
 973                 icmd = &iocb->iocb;
 974
 975                 /* 2 buffers can be posted per command */
 976                 /* Allocate buffer to post */
 977                 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
 978                 if (mp1)
 979                     mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
 980                                                 &mp1->phys);
 981                 if (mp1 == 0 || mp1->virt == 0) {
 982                         kfree(mp1);
 983                         spin_lock_irq(phba->host->host_lock);
 984                         lpfc_sli_release_iocbq(phba, iocb);
 985                         spin_unlock_irq(phba->host->host_lock);
 986                         pring->missbufcnt = cnt;
 987                         return cnt;
 988                 }
 989
 990                 INIT_LIST_HEAD(&mp1->list);
 991                 /* Allocate buffer to post */
 992                 if (cnt > 1) {
 993                         mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
 994                         if (mp2)
 995                                 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
 996                                                             &mp2->phys);
 997                         if (mp2 == 0 || mp2->virt == 0) {
 998                                 kfree(mp2);
 999                                 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1000                                 kfree(mp1);
1001                                 spin_lock_irq(phba->host->host_lock);
1002                                 lpfc_sli_release_iocbq(phba, iocb);
1003                                 spin_unlock_irq(phba->host->host_lock);
1004                                 pring->missbufcnt = cnt;
1005                                 return cnt;
1006                         }
1007
1008                         INIT_LIST_HEAD(&mp2->list);
1009                 } else {
1010                         mp2 = NULL;
1011                 }
1012
1013                 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1014                 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1015                 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1016                 icmd->ulpBdeCount = 1;
1017                 cnt--;
1018                 if (mp2) {
1019                         icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1020                         icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1021                         icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1022                         cnt--;
1023                         icmd->ulpBdeCount = 2;
1024                 }
1025
1026                 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1027                 icmd->ulpLe = 1;
1028
1029                 spin_lock_irq(phba->host->host_lock);
1030                 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1031                         lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1032                         kfree(mp1);
1033                         cnt++;
1034                         if (mp2) {
1035                                 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1036                                 kfree(mp2);
1037                                 cnt++;
1038                         }
1039                         lpfc_sli_release_iocbq(phba, iocb);
1040                         pring->missbufcnt = cnt;
1041                         spin_unlock_irq(phba->host->host_lock);
1042                         return cnt;
1043                 }
1044                 spin_unlock_irq(phba->host->host_lock);
1045                 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1046                 if (mp2) {
1047                         lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1048                 }
1049         }
1050         pring->missbufcnt = 0;
1051         return 0;
1052 }
1053
1054 /************************************************************************/
1055 /*                                                                      */
1056 /*   lpfc_post_rcv_buf                                                  */
1057 /*   This routine post initial rcv buffers to the configured rings      */
1058 /*                                                                      */
1059 /************************************************************************/
1060 static int
1061 lpfc_post_rcv_buf(struct lpfc_hba * phba)
1062 {
1063         struct lpfc_sli *psli = &phba->sli;
1064
1065         /* Ring 0, ELS / CT buffers */
1066         lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1067         /* Ring 2 - FCP no buffers needed */
1068
1069         return 0;
1070 }
1071
1072 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1073
1074 /************************************************************************/
1075 /*                                                                      */
1076 /*   lpfc_sha_init                                                      */
1077 /*                                                                      */
1078 /************************************************************************/
1079 static void
1080 lpfc_sha_init(uint32_t * HashResultPointer)
1081 {
1082         HashResultPointer[0] = 0x67452301;
1083         HashResultPointer[1] = 0xEFCDAB89;
1084         HashResultPointer[2] = 0x98BADCFE;
1085         HashResultPointer[3] = 0x10325476;
1086         HashResultPointer[4] = 0xC3D2E1F0;
1087 }
1088
1089 /************************************************************************/
1090 /*                                                                      */
1091 /*   lpfc_sha_iterate                                                   */
1092 /*                                                                      */
1093 /************************************************************************/
1094 static void
1095 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1096 {
1097         int t;
1098         uint32_t TEMP;
1099         uint32_t A, B, C, D, E;
1100         t = 16;
1101         do {
1102                 HashWorkingPointer[t] =
1103                     S(1,
1104                       HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1105                                                                      8] ^
1106                       HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1107         } while (++t <= 79);
1108         t = 0;
1109         A = HashResultPointer[0];
1110         B = HashResultPointer[1];
1111         C = HashResultPointer[2];
1112         D = HashResultPointer[3];
1113         E = HashResultPointer[4];
1114
1115         do {
1116                 if (t < 20) {
1117                         TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1118                 } else if (t < 40) {
1119                         TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1120                 } else if (t < 60) {
1121                         TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1122                 } else {
1123                         TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1124                 }
1125                 TEMP += S(5, A) + E + HashWorkingPointer[t];
1126                 E = D;
1127                 D = C;
1128                 C = S(30, B);
1129                 B = A;
1130                 A = TEMP;
1131         } while (++t <= 79);
1132
1133         HashResultPointer[0] += A;
1134         HashResultPointer[1] += B;
1135         HashResultPointer[2] += C;
1136         HashResultPointer[3] += D;
1137         HashResultPointer[4] += E;
1138
1139 }
1140
1141 /************************************************************************/
1142 /*                                                                      */
1143 /*   lpfc_challenge_key                                                 */
1144 /*                                                                      */
1145 /************************************************************************/
1146 static void
1147 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1148 {
1149         *HashWorking = (*RandomChallenge ^ *HashWorking);
1150 }
1151
1152 /************************************************************************/
1153 /*                                                                      */
1154 /*   lpfc_hba_init                                                      */
1155 /*                                                                      */
1156 /************************************************************************/
1157 void
1158 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1159 {
1160         int t;
1161         uint32_t *HashWorking;
1162         uint32_t *pwwnn = phba->wwnn;
1163
1164         HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1165         if (!HashWorking)
1166                 return;
1167
1168         memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1169         HashWorking[0] = HashWorking[78] = *pwwnn++;
1170         HashWorking[1] = HashWorking[79] = *pwwnn;
1171
1172         for (t = 0; t < 7; t++)
1173                 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1174
1175         lpfc_sha_init(hbainit);
1176         lpfc_sha_iterate(hbainit, HashWorking);
1177         kfree(HashWorking);
1178 }
1179
1180 static void
1181 lpfc_cleanup(struct lpfc_hba * phba)
1182 {
1183         struct lpfc_nodelist *ndlp, *next_ndlp;
1184
1185         /* clean up phba - lpfc specific */
1186         lpfc_can_disctmo(phba);
1187         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
1188                                 nlp_listp) {
1189                 lpfc_nlp_remove(phba, ndlp);
1190         }
1191
1192         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1193                                  nlp_listp) {
1194                 lpfc_nlp_remove(phba, ndlp);
1195         }
1196
1197         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
1198                                 nlp_listp) {
1199                 lpfc_drop_node(phba, ndlp);
1200         }
1201
1202         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1203                                 nlp_listp) {
1204                 lpfc_nlp_remove(phba, ndlp);
1205         }
1206
1207         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1208                                 nlp_listp) {
1209                 lpfc_nlp_remove(phba, ndlp);
1210         }
1211
1212         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
1213                                 nlp_listp) {
1214                 lpfc_nlp_remove(phba, ndlp);
1215         }
1216
1217         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1218                                 nlp_listp) {
1219                 lpfc_nlp_remove(phba, ndlp);
1220         }
1221
1222         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1223                                 nlp_listp) {
1224                 lpfc_nlp_remove(phba, ndlp);
1225         }
1226
1227         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1228         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1229         INIT_LIST_HEAD(&phba->fc_unused_list);
1230         INIT_LIST_HEAD(&phba->fc_plogi_list);
1231         INIT_LIST_HEAD(&phba->fc_adisc_list);
1232         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1233         INIT_LIST_HEAD(&phba->fc_prli_list);
1234         INIT_LIST_HEAD(&phba->fc_npr_list);
1235
1236         phba->fc_map_cnt   = 0;
1237         phba->fc_unmap_cnt = 0;
1238         phba->fc_plogi_cnt = 0;
1239         phba->fc_adisc_cnt = 0;
1240         phba->fc_reglogin_cnt = 0;
1241         phba->fc_prli_cnt  = 0;
1242         phba->fc_npr_cnt   = 0;
1243         phba->fc_unused_cnt= 0;
1244         return;
1245 }
1246
1247 static void
1248 lpfc_establish_link_tmo(unsigned long ptr)
1249 {
1250         struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1251         unsigned long iflag;
1252
1253
1254         /* Re-establishing Link, timer expired */
1255         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1256                         "%d:1300 Re-establishing Link, timer expired "
1257                         "Data: x%x x%x\n",
1258                         phba->brd_no, phba->fc_flag, phba->hba_state);
1259         spin_lock_irqsave(phba->host->host_lock, iflag);
1260         phba->fc_flag &= ~FC_ESTABLISH_LINK;
1261         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1262 }
1263
1264 static int
1265 lpfc_stop_timer(struct lpfc_hba * phba)
1266 {
1267         struct lpfc_sli *psli = &phba->sli;
1268
1269         del_timer_sync(&phba->fcp_poll_timer);
1270         del_timer_sync(&phba->fc_estabtmo);
1271         del_timer_sync(&phba->fc_disctmo);
1272         del_timer_sync(&phba->fc_fdmitmo);
1273         del_timer_sync(&phba->els_tmofunc);
1274         psli = &phba->sli;
1275         del_timer_sync(&psli->mbox_tmo);
1276         return(1);
1277 }
1278
1279 int
1280 lpfc_online(struct lpfc_hba * phba)
1281 {
1282         if (!phba)
1283                 return 0;
1284
1285         if (!(phba->fc_flag & FC_OFFLINE_MODE))
1286                 return 0;
1287
1288         lpfc_printf_log(phba,
1289                        KERN_WARNING,
1290                        LOG_INIT,
1291                        "%d:0458 Bring Adapter online\n",
1292                        phba->brd_no);
1293
1294         lpfc_block_mgmt_io(phba);
1295
1296         if (!lpfc_sli_queue_setup(phba)) {
1297                 lpfc_unblock_mgmt_io(phba);
1298                 return 1;
1299         }
1300
1301         if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */
1302                 lpfc_unblock_mgmt_io(phba);
1303                 return 1;
1304         }
1305
1306         spin_lock_irq(phba->host->host_lock);
1307         phba->fc_flag &= ~FC_OFFLINE_MODE;
1308         spin_unlock_irq(phba->host->host_lock);
1309
1310         lpfc_unblock_mgmt_io(phba);
1311         return 0;
1312 }
1313
1314 void
1315 lpfc_block_mgmt_io(struct lpfc_hba * phba)
1316 {
1317         unsigned long iflag;
1318
1319         spin_lock_irqsave(phba->host->host_lock, iflag);
1320         phba->fc_flag |= FC_BLOCK_MGMT_IO;
1321         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1322 }
1323
1324 void
1325 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
1326 {
1327         unsigned long iflag;
1328
1329         spin_lock_irqsave(phba->host->host_lock, iflag);
1330         phba->fc_flag &= ~FC_BLOCK_MGMT_IO;
1331         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1332 }
1333
1334 void
1335 lpfc_offline_prep(struct lpfc_hba * phba)
1336 {
1337         struct lpfc_nodelist  *ndlp, *next_ndlp;
1338         struct list_head *listp, *node_list[7];
1339         int i;
1340
1341         if (phba->fc_flag & FC_OFFLINE_MODE)
1342                 return;
1343
1344         lpfc_block_mgmt_io(phba);
1345
1346         lpfc_linkdown(phba);
1347
1348         /* Issue an unreg_login to all nodes */
1349         node_list[0] = &phba->fc_npr_list;  /* MUST do this list first */
1350         node_list[1] = &phba->fc_nlpmap_list;
1351         node_list[2] = &phba->fc_nlpunmap_list;
1352         node_list[3] = &phba->fc_prli_list;
1353         node_list[4] = &phba->fc_reglogin_list;
1354         node_list[5] = &phba->fc_adisc_list;
1355         node_list[6] = &phba->fc_plogi_list;
1356         for (i = 0; i < 7; i++) {
1357                 listp = node_list[i];
1358                 if (list_empty(listp))
1359                         continue;
1360
1361                 list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp)
1362                         lpfc_unreg_rpi(phba, ndlp);
1363         }
1364
1365         lpfc_sli_flush_mbox_queue(phba);
1366 }
1367
1368 void
1369 lpfc_offline(struct lpfc_hba * phba)
1370 {
1371         unsigned long iflag;
1372
1373         if (phba->fc_flag & FC_OFFLINE_MODE)
1374                 return;
1375
1376         /* stop all timers associated with this hba */
1377         lpfc_stop_timer(phba);
1378
1379         lpfc_printf_log(phba,
1380                        KERN_WARNING,
1381                        LOG_INIT,
1382                        "%d:0460 Bring Adapter offline\n",
1383                        phba->brd_no);
1384
1385         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1386            now.  */
1387         lpfc_sli_hba_down(phba);
1388         lpfc_cleanup(phba);
1389         spin_lock_irqsave(phba->host->host_lock, iflag);
1390         phba->work_hba_events = 0;
1391         phba->work_ha = 0;
1392         phba->fc_flag |= FC_OFFLINE_MODE;
1393         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1394 }
1395
1396 /******************************************************************************
1397 * Function name: lpfc_scsi_free
1398 *
1399 * Description: Called from lpfc_pci_remove_one free internal driver resources
1400 *
1401 ******************************************************************************/
1402 static int
1403 lpfc_scsi_free(struct lpfc_hba * phba)
1404 {
1405         struct lpfc_scsi_buf *sb, *sb_next;
1406         struct lpfc_iocbq *io, *io_next;
1407
1408         spin_lock_irq(phba->host->host_lock);
1409         /* Release all the lpfc_scsi_bufs maintained by this host. */
1410         list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1411                 list_del(&sb->list);
1412                 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1413                                                                 sb->dma_handle);
1414                 kfree(sb);
1415                 phba->total_scsi_bufs--;
1416         }
1417
1418         /* Release all the lpfc_iocbq entries maintained by this host. */
1419         list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1420                 list_del(&io->list);
1421                 kfree(io);
1422                 phba->total_iocbq_bufs--;
1423         }
1424
1425         spin_unlock_irq(phba->host->host_lock);
1426
1427         return 0;
1428 }
1429
1430
1431 static int __devinit
1432 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1433 {
1434         struct Scsi_Host *host;
1435         struct lpfc_hba  *phba;
1436         struct lpfc_sli  *psli;
1437         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1438         unsigned long bar0map_len, bar2map_len;
1439         int error = -ENODEV, retval;
1440         int i;
1441         uint16_t iotag;
1442
1443         if (pci_enable_device(pdev))
1444                 goto out;
1445         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1446                 goto out_disable_device;
1447
1448         host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
1449         if (!host)
1450                 goto out_release_regions;
1451
1452         phba = (struct lpfc_hba*)host->hostdata;
1453         memset(phba, 0, sizeof (struct lpfc_hba));
1454         phba->host = host;
1455
1456         phba->fc_flag |= FC_LOADING;
1457         phba->pcidev = pdev;
1458
1459         /* Assign an unused board number */
1460         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1461                 goto out_put_host;
1462
1463         error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
1464         if (error)
1465                 goto out_put_host;
1466
1467         host->unique_id = phba->brd_no;
1468
1469         /* Initialize timers used by driver */
1470         init_timer(&phba->fc_estabtmo);
1471         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1472         phba->fc_estabtmo.data = (unsigned long)phba;
1473         init_timer(&phba->fc_disctmo);
1474         phba->fc_disctmo.function = lpfc_disc_timeout;
1475         phba->fc_disctmo.data = (unsigned long)phba;
1476
1477         init_timer(&phba->fc_fdmitmo);
1478         phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
1479         phba->fc_fdmitmo.data = (unsigned long)phba;
1480         init_timer(&phba->els_tmofunc);
1481         phba->els_tmofunc.function = lpfc_els_timeout;
1482         phba->els_tmofunc.data = (unsigned long)phba;
1483         psli = &phba->sli;
1484         init_timer(&psli->mbox_tmo);
1485         psli->mbox_tmo.function = lpfc_mbox_timeout;
1486         psli->mbox_tmo.data = (unsigned long)phba;
1487
1488         init_timer(&phba->fcp_poll_timer);
1489         phba->fcp_poll_timer.function = lpfc_poll_timeout;
1490         phba->fcp_poll_timer.data = (unsigned long)phba;
1491
1492         /*
1493          * Get all the module params for configuring this host and then
1494          * establish the host parameters.
1495          */
1496         lpfc_get_cfgparam(phba);
1497
1498         host->max_id = LPFC_MAX_TARGET;
1499         host->max_lun = phba->cfg_max_luns;
1500         host->this_id = -1;
1501
1502         /* Initialize all internally managed lists. */
1503         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1504         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1505         INIT_LIST_HEAD(&phba->fc_unused_list);
1506         INIT_LIST_HEAD(&phba->fc_plogi_list);
1507         INIT_LIST_HEAD(&phba->fc_adisc_list);
1508         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1509         INIT_LIST_HEAD(&phba->fc_prli_list);
1510         INIT_LIST_HEAD(&phba->fc_npr_list);
1511
1512
1513         pci_set_master(pdev);
1514         retval = pci_set_mwi(pdev);
1515         if (retval)
1516                 dev_printk(KERN_WARNING, &pdev->dev,
1517                            "Warning: pci_set_mwi returned %d\n", retval);
1518
1519         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1520                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1521                         goto out_idr_remove;
1522
1523         /*
1524          * Get the bus address of Bar0 and Bar2 and the number of bytes
1525          * required by each mapping.
1526          */
1527         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1528         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1529
1530         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1531         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1532
1533         /* Map HBA SLIM to a kernel virtual address. */
1534         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1535         if (!phba->slim_memmap_p) {
1536                 error = -ENODEV;
1537                 dev_printk(KERN_ERR, &pdev->dev,
1538                            "ioremap failed for SLIM memory.\n");
1539                 goto out_idr_remove;
1540         }
1541
1542         /* Map HBA Control Registers to a kernel virtual address. */
1543         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1544         if (!phba->ctrl_regs_memmap_p) {
1545                 error = -ENODEV;
1546                 dev_printk(KERN_ERR, &pdev->dev,
1547                            "ioremap failed for HBA control registers.\n");
1548                 goto out_iounmap_slim;
1549         }
1550
1551         /* Allocate memory for SLI-2 structures */
1552         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1553                                           &phba->slim2p_mapping, GFP_KERNEL);
1554         if (!phba->slim2p)
1555                 goto out_iounmap;
1556
1557         memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1558
1559         /* Initialize the SLI Layer to run with lpfc HBAs. */
1560         lpfc_sli_setup(phba);
1561         lpfc_sli_queue_setup(phba);
1562
1563         error = lpfc_mem_alloc(phba);
1564         if (error)
1565                 goto out_free_slim;
1566
1567         /* Initialize and populate the iocb list per host.  */
1568         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1569         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1570                 iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1571                 if (iocbq_entry == NULL) {
1572                         printk(KERN_ERR "%s: only allocated %d iocbs of "
1573                                 "expected %d count. Unloading driver.\n",
1574                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1575                         error = -ENOMEM;
1576                         goto out_free_iocbq;
1577                 }
1578
1579                 memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
1580                 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1581                 if (iotag == 0) {
1582                         kfree (iocbq_entry);
1583                         printk(KERN_ERR "%s: failed to allocate IOTAG. "
1584                                "Unloading driver.\n",
1585                                 __FUNCTION__);
1586                         error = -ENOMEM;
1587                         goto out_free_iocbq;
1588                 }
1589                 spin_lock_irq(phba->host->host_lock);
1590                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1591                 phba->total_iocbq_bufs++;
1592                 spin_unlock_irq(phba->host->host_lock);
1593         }
1594
1595         /* Initialize HBA structure */
1596         phba->fc_edtov = FF_DEF_EDTOV;
1597         phba->fc_ratov = FF_DEF_RATOV;
1598         phba->fc_altov = FF_DEF_ALTOV;
1599         phba->fc_arbtov = FF_DEF_ARBTOV;
1600
1601         INIT_LIST_HEAD(&phba->work_list);
1602         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1603         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1604
1605         /* Startup the kernel thread for this host adapter. */
1606         phba->worker_thread = kthread_run(lpfc_do_work, phba,
1607                                        "lpfc_worker_%d", phba->brd_no);
1608         if (IS_ERR(phba->worker_thread)) {
1609                 error = PTR_ERR(phba->worker_thread);
1610                 goto out_free_iocbq;
1611         }
1612
1613         /*
1614          * Set initial can_queue value since 0 is no longer supported and
1615          * scsi_add_host will fail. This will be adjusted later based on the
1616          * max xri value determined in hba setup.
1617          */
1618         host->can_queue = phba->cfg_hba_queue_depth - 10;
1619
1620         /* Tell the midlayer we support 16 byte commands */
1621         host->max_cmd_len = 16;
1622
1623         /* Initialize the list of scsi buffers used by driver for scsi IO. */
1624         spin_lock_init(&phba->scsi_buf_list_lock);
1625         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1626
1627         host->transportt = lpfc_transport_template;
1628         pci_set_drvdata(pdev, host);
1629         error = scsi_add_host(host, &pdev->dev);
1630         if (error)
1631                 goto out_kthread_stop;
1632
1633         error = lpfc_alloc_sysfs_attr(phba);
1634         if (error)
1635                 goto out_remove_host;
1636
1637         if (phba->cfg_use_msi) {
1638                 error = pci_enable_msi(phba->pcidev);
1639                 if (error)
1640                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "%d:0452 "
1641                                         "Enable MSI failed, continuing with "
1642                                         "IRQ\n", phba->brd_no);
1643         }
1644
1645         error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
1646                                                         LPFC_DRIVER_NAME, phba);
1647         if (error) {
1648                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1649                         "%d:0451 Enable interrupt handler failed\n",
1650                         phba->brd_no);
1651                 goto out_free_sysfs_attr;
1652         }
1653         phba->MBslimaddr = phba->slim_memmap_p;
1654         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1655         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1656         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1657         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1658
1659         error = lpfc_sli_hba_setup(phba);
1660         if (error) {
1661                 error = -ENODEV;
1662                 goto out_free_irq;
1663         }
1664
1665         /*
1666          * hba setup may have changed the hba_queue_depth so we need to adjust
1667          * the value of can_queue.
1668          */
1669         host->can_queue = phba->cfg_hba_queue_depth - 10;
1670
1671         lpfc_discovery_wait(phba);
1672
1673         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1674                 spin_lock_irq(phba->host->host_lock);
1675                 lpfc_poll_start_timer(phba);
1676                 spin_unlock_irq(phba->host->host_lock);
1677         }
1678
1679         /*
1680          * set fixed host attributes
1681          * Must done after lpfc_sli_hba_setup()
1682          */
1683
1684         fc_host_node_name(host) = wwn_to_u64(phba->fc_nodename.u.wwn);
1685         fc_host_port_name(host) = wwn_to_u64(phba->fc_portname.u.wwn);
1686         fc_host_supported_classes(host) = FC_COS_CLASS3;
1687
1688         memset(fc_host_supported_fc4s(host), 0,
1689                 sizeof(fc_host_supported_fc4s(host)));
1690         fc_host_supported_fc4s(host)[2] = 1;
1691         fc_host_supported_fc4s(host)[7] = 1;
1692
1693         lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host));
1694
1695         fc_host_supported_speeds(host) = 0;
1696         if (phba->lmt & LMT_10Gb)
1697                 fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT;
1698         if (phba->lmt & LMT_4Gb)
1699                 fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT;
1700         if (phba->lmt & LMT_2Gb)
1701                 fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT;
1702         if (phba->lmt & LMT_1Gb)
1703                 fc_host_supported_speeds(host) |= FC_PORTSPEED_1GBIT;
1704
1705         fc_host_maxframe_size(host) =
1706                 ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1707                  (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
1708
1709         /* This value is also unchanging */
1710         memset(fc_host_active_fc4s(host), 0,
1711                 sizeof(fc_host_active_fc4s(host)));
1712         fc_host_active_fc4s(host)[2] = 1;
1713         fc_host_active_fc4s(host)[7] = 1;
1714
1715         spin_lock_irq(phba->host->host_lock);
1716         phba->fc_flag &= ~FC_LOADING;
1717         spin_unlock_irq(phba->host->host_lock);
1718         return 0;
1719
1720 out_free_irq:
1721         lpfc_stop_timer(phba);
1722         phba->work_hba_events = 0;
1723         free_irq(phba->pcidev->irq, phba);
1724         pci_disable_msi(phba->pcidev);
1725 out_free_sysfs_attr:
1726         lpfc_free_sysfs_attr(phba);
1727 out_remove_host:
1728         fc_remove_host(phba->host);
1729         scsi_remove_host(phba->host);
1730 out_kthread_stop:
1731         kthread_stop(phba->worker_thread);
1732 out_free_iocbq:
1733         list_for_each_entry_safe(iocbq_entry, iocbq_next,
1734                                                 &phba->lpfc_iocb_list, list) {
1735                 spin_lock_irq(phba->host->host_lock);
1736                 kfree(iocbq_entry);
1737                 phba->total_iocbq_bufs--;
1738                 spin_unlock_irq(phba->host->host_lock);
1739         }
1740         lpfc_mem_free(phba);
1741 out_free_slim:
1742         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1743                                                         phba->slim2p_mapping);
1744 out_iounmap:
1745         iounmap(phba->ctrl_regs_memmap_p);
1746 out_iounmap_slim:
1747         iounmap(phba->slim_memmap_p);
1748 out_idr_remove:
1749         idr_remove(&lpfc_hba_index, phba->brd_no);
1750 out_put_host:
1751         phba->host = NULL;
1752         scsi_host_put(host);
1753 out_release_regions:
1754         pci_release_regions(pdev);
1755 out_disable_device:
1756         pci_disable_device(pdev);
1757 out:
1758         pci_set_drvdata(pdev, NULL);
1759         return error;
1760 }
1761
1762 static void __devexit
1763 lpfc_pci_remove_one(struct pci_dev *pdev)
1764 {
1765         struct Scsi_Host   *host = pci_get_drvdata(pdev);
1766         struct lpfc_hba    *phba = (struct lpfc_hba *)host->hostdata;
1767         unsigned long iflag;
1768
1769         lpfc_free_sysfs_attr(phba);
1770
1771         spin_lock_irqsave(phba->host->host_lock, iflag);
1772         phba->fc_flag |= FC_UNLOADING;
1773
1774         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1775
1776         fc_remove_host(phba->host);
1777         scsi_remove_host(phba->host);
1778
1779         kthread_stop(phba->worker_thread);
1780
1781         /*
1782          * Bring down the SLI Layer. This step disable all interrupts,
1783          * clears the rings, discards all mailbox commands, and resets
1784          * the HBA.
1785          */
1786         lpfc_sli_hba_down(phba);
1787         lpfc_sli_brdrestart(phba);
1788
1789         /* Release the irq reservation */
1790         free_irq(phba->pcidev->irq, phba);
1791         pci_disable_msi(phba->pcidev);
1792
1793         lpfc_cleanup(phba);
1794         lpfc_stop_timer(phba);
1795         phba->work_hba_events = 0;
1796
1797         /*
1798          * Call scsi_free before mem_free since scsi bufs are released to their
1799          * corresponding pools here.
1800          */
1801         lpfc_scsi_free(phba);
1802         lpfc_mem_free(phba);
1803
1804         /* Free resources associated with SLI2 interface */
1805         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
1806                           phba->slim2p, phba->slim2p_mapping);
1807
1808         /* unmap adapter SLIM and Control Registers */
1809         iounmap(phba->ctrl_regs_memmap_p);
1810         iounmap(phba->slim_memmap_p);
1811
1812         pci_release_regions(phba->pcidev);
1813         pci_disable_device(phba->pcidev);
1814
1815         idr_remove(&lpfc_hba_index, phba->brd_no);
1816         scsi_host_put(phba->host);
1817
1818         pci_set_drvdata(pdev, NULL);
1819 }
1820
1821 /**
1822  * lpfc_io_error_detected - called when PCI error is detected
1823  * @pdev: Pointer to PCI device
1824  * @state: The current pci conneection state
1825  *
1826  * This function is called after a PCI bus error affecting
1827  * this device has been detected.
1828  */
1829 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
1830                                 pci_channel_state_t state)
1831 {
1832         struct Scsi_Host *host = pci_get_drvdata(pdev);
1833         struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
1834         struct lpfc_sli *psli = &phba->sli;
1835         struct lpfc_sli_ring  *pring;
1836
1837         if (state == pci_channel_io_perm_failure)
1838                 return PCI_ERS_RESULT_DISCONNECT;
1839
1840         pci_disable_device(pdev);
1841         /*
1842          * There may be I/Os dropped by the firmware.
1843          * Error iocb (I/O) on txcmplq and let the SCSI layer
1844          * retry it after re-establishing link.
1845          */
1846         pring = &psli->ring[psli->fcp_ring];
1847         lpfc_sli_abort_iocb_ring(phba, pring);
1848
1849         /* Request a slot reset. */
1850         return PCI_ERS_RESULT_NEED_RESET;
1851 }
1852
1853 /**
1854  * lpfc_io_slot_reset - called after the pci bus has been reset.
1855  * @pdev: Pointer to PCI device
1856  *
1857  * Restart the card from scratch, as if from a cold-boot.
1858  */
1859 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
1860 {
1861         struct Scsi_Host *host = pci_get_drvdata(pdev);
1862         struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
1863         struct lpfc_sli *psli = &phba->sli;
1864         int bars = pci_select_bars(pdev, IORESOURCE_MEM);
1865
1866         dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
1867         if (pci_enable_device_bars(pdev, bars)) {
1868                 printk(KERN_ERR "lpfc: Cannot re-enable "
1869                         "PCI device after reset.\n");
1870                 return PCI_ERS_RESULT_DISCONNECT;
1871         }
1872
1873         pci_set_master(pdev);
1874
1875         /* Re-establishing Link */
1876         spin_lock_irq(phba->host->host_lock);
1877         phba->fc_flag |= FC_ESTABLISH_LINK;
1878         psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
1879         spin_unlock_irq(phba->host->host_lock);
1880
1881
1882         /* Take device offline; this will perform cleanup */
1883         lpfc_offline(phba);
1884         lpfc_sli_brdrestart(phba);
1885
1886         return PCI_ERS_RESULT_RECOVERED;
1887 }
1888
1889 /**
1890  * lpfc_io_resume - called when traffic can start flowing again.
1891  * @pdev: Pointer to PCI device
1892  *
1893  * This callback is called when the error recovery driver tells us that
1894  * its OK to resume normal operation.
1895  */
1896 static void lpfc_io_resume(struct pci_dev *pdev)
1897 {
1898         struct Scsi_Host *host = pci_get_drvdata(pdev);
1899         struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
1900
1901         if (lpfc_online(phba) == 0) {
1902                 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
1903         }
1904 }
1905
1906 static struct pci_device_id lpfc_id_table[] = {
1907         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
1908                 PCI_ANY_ID, PCI_ANY_ID, },
1909         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
1910                 PCI_ANY_ID, PCI_ANY_ID, },
1911         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
1912                 PCI_ANY_ID, PCI_ANY_ID, },
1913         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
1914                 PCI_ANY_ID, PCI_ANY_ID, },
1915         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
1916                 PCI_ANY_ID, PCI_ANY_ID, },
1917         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
1918                 PCI_ANY_ID, PCI_ANY_ID, },
1919         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
1920                 PCI_ANY_ID, PCI_ANY_ID, },
1921         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
1922                 PCI_ANY_ID, PCI_ANY_ID, },
1923         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
1924                 PCI_ANY_ID, PCI_ANY_ID, },
1925         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
1926                 PCI_ANY_ID, PCI_ANY_ID, },
1927         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
1928                 PCI_ANY_ID, PCI_ANY_ID, },
1929         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
1930                 PCI_ANY_ID, PCI_ANY_ID, },
1931         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
1932                 PCI_ANY_ID, PCI_ANY_ID, },
1933         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
1934                 PCI_ANY_ID, PCI_ANY_ID, },
1935         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
1936                 PCI_ANY_ID, PCI_ANY_ID, },
1937         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
1938                 PCI_ANY_ID, PCI_ANY_ID, },
1939         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
1940                 PCI_ANY_ID, PCI_ANY_ID, },
1941         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
1942                 PCI_ANY_ID, PCI_ANY_ID, },
1943         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
1944                 PCI_ANY_ID, PCI_ANY_ID, },
1945         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
1946                 PCI_ANY_ID, PCI_ANY_ID, },
1947         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
1948                 PCI_ANY_ID, PCI_ANY_ID, },
1949         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
1950                 PCI_ANY_ID, PCI_ANY_ID, },
1951         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
1952                 PCI_ANY_ID, PCI_ANY_ID, },
1953         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
1954                 PCI_ANY_ID, PCI_ANY_ID, },
1955         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
1956                 PCI_ANY_ID, PCI_ANY_ID, },
1957         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
1958                 PCI_ANY_ID, PCI_ANY_ID, },
1959         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
1960                 PCI_ANY_ID, PCI_ANY_ID, },
1961         { 0 }
1962 };
1963
1964 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
1965
1966 static struct pci_error_handlers lpfc_err_handler = {
1967         .error_detected = lpfc_io_error_detected,
1968         .slot_reset = lpfc_io_slot_reset,
1969         .resume = lpfc_io_resume,
1970 };
1971
1972 static struct pci_driver lpfc_driver = {
1973         .name           = LPFC_DRIVER_NAME,
1974         .id_table       = lpfc_id_table,
1975         .probe          = lpfc_pci_probe_one,
1976         .remove         = __devexit_p(lpfc_pci_remove_one),
1977         .err_handler = &lpfc_err_handler,
1978 };
1979
1980 static int __init
1981 lpfc_init(void)
1982 {
1983         int error = 0;
1984
1985         printk(LPFC_MODULE_DESC "\n");
1986         printk(LPFC_COPYRIGHT "\n");
1987
1988         lpfc_transport_template =
1989                                 fc_attach_transport(&lpfc_transport_functions);
1990         if (!lpfc_transport_template)
1991                 return -ENOMEM;
1992         error = pci_register_driver(&lpfc_driver);
1993         if (error)
1994                 fc_release_transport(lpfc_transport_template);
1995
1996         return error;
1997 }
1998
1999 static void __exit
2000 lpfc_exit(void)
2001 {
2002         pci_unregister_driver(&lpfc_driver);
2003         fc_release_transport(lpfc_transport_template);
2004 }
2005
2006 module_init(lpfc_init);
2007 module_exit(lpfc_exit);
2008 MODULE_LICENSE("GPL");
2009 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
2010 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
2011 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);