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   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Fibre Channel Host Bus Adapters.                                *
   4  * Copyright (C) 2004-2006 Emulex.  All rights reserved.           *
   5  * EMULEX and SLI are trademarks of Emulex.                        *
   6  * www.emulex.com                                                  *
   7  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
   8  *                                                                 *
   9  * This program is free software; you can redistribute it and/or   *
  10  * modify it under the terms of version 2 of the GNU General       *
  11  * Public License as published by the Free Software Foundation.    *
  12  * This program is distributed in the hope that it will be useful. *
  13  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  14  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  15  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  16  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  17  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  18  * more details, a copy of which can be found in the file COPYING  *
  19  * included with this package.                                     *
  20  *******************************************************************/
  21
  22 #include <linux/blkdev.h>
  23 #include <linux/delay.h>
  24 #include <linux/dma-mapping.h>
  25 #include <linux/idr.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/kthread.h>
  28 #include <linux/pci.h>
  29 #include <linux/spinlock.h>
  30
  31 #include <scsi/scsi.h>
  32 #include <scsi/scsi_device.h>
  33 #include <scsi/scsi_host.h>
  34 #include <scsi/scsi_transport_fc.h>
  35
  36 #include "lpfc_hw.h"
  37 #include "lpfc_sli.h"
  38 #include "lpfc_disc.h"
  39 #include "lpfc_scsi.h"
  40 #include "lpfc.h"
  41 #include "lpfc_logmsg.h"
  42 #include "lpfc_crtn.h"
  43 #include "lpfc_version.h"
  44
  45 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
  46 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
  47 static int lpfc_post_rcv_buf(struct lpfc_hba *);
  48
  49 static struct scsi_transport_template *lpfc_transport_template = NULL;
  50 static DEFINE_IDR(lpfc_hba_index);
  51
  52 /************************************************************************/
  53 /*                                                                      */
  54 /*    lpfc_config_port_prep                                             */
  55 /*    This routine will do LPFC initialization prior to the             */
  56 /*    CONFIG_PORT mailbox command. This will be initialized             */
  57 /*    as a SLI layer callback routine.                                  */
  58 /*    This routine returns 0 on success or -ERESTART if it wants        */
  59 /*    the SLI layer to reset the HBA and try again. Any                 */
  60 /*    other return value indicates an error.                            */
  61 /*                                                                      */
  62 /************************************************************************/
  63 int
  64 lpfc_config_port_prep(struct lpfc_hba * phba)
  65 {
  66         lpfc_vpd_t *vp = &phba->vpd;
  67         int i = 0, rc;
  68         LPFC_MBOXQ_t *pmb;
  69         MAILBOX_t *mb;
  70         char *lpfc_vpd_data = NULL;
  71         uint16_t offset = 0;
  72         static char licensed[56] =
  73                     "key unlock for use with gnu public licensed code only\0";
  74         static int init_key = 1;
  75
  76         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
  77         if (!pmb) {
  78                 phba->hba_state = LPFC_HBA_ERROR;
  79                 return -ENOMEM;
  80         }
  81
  82         mb = &pmb->mb;
  83         phba->hba_state = LPFC_INIT_MBX_CMDS;
  84
  85         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
  86                 if (init_key) {
  87                         uint32_t *ptext = (uint32_t *) licensed;
  88
  89                         for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
  90                                 *ptext = cpu_to_be32(*ptext);
  91                         init_key = 0;
  92                 }
  93
  94                 lpfc_read_nv(phba, pmb);
  95                 memset((char*)mb->un.varRDnvp.rsvd3, 0,
  96                         sizeof (mb->un.varRDnvp.rsvd3));
  97                 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
  98                          sizeof (licensed));
  99
 100                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 101
 102                 if (rc != MBX_SUCCESS) {
 103                         lpfc_printf_log(phba,
 104                                         KERN_ERR,
 105                                         LOG_MBOX,
 106                                         "%d:0324 Config Port initialization "
 107                                         "error, mbxCmd x%x READ_NVPARM, "
 108                                         "mbxStatus x%x\n",
 109                                         phba->brd_no,
 110                                         mb->mbxCommand, mb->mbxStatus);
 111                         mempool_free(pmb, phba->mbox_mem_pool);
 112                         return -ERESTART;
 113                 }
 114                 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
 115                        sizeof (mb->un.varRDnvp.nodename));
 116         }
 117
 118         /* Setup and issue mailbox READ REV command */
 119         lpfc_read_rev(phba, pmb);
 120         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 121         if (rc != MBX_SUCCESS) {
 122                 lpfc_printf_log(phba,
 123                                 KERN_ERR,
 124                                 LOG_INIT,
 125                                 "%d:0439 Adapter failed to init, mbxCmd x%x "
 126                                 "READ_REV, mbxStatus x%x\n",
 127                                 phba->brd_no,
 128                                 mb->mbxCommand, mb->mbxStatus);
 129                 mempool_free( pmb, phba->mbox_mem_pool);
 130                 return -ERESTART;
 131         }
 132
 133         /*
 134          * The value of rr must be 1 since the driver set the cv field to 1.
 135          * This setting requires the FW to set all revision fields.
 136          */
 137         if (mb->un.varRdRev.rr == 0) {
 138                 vp->rev.rBit = 0;
 139                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 140                                 "%d:0440 Adapter failed to init, READ_REV has "
 141                                 "missing revision information.\n",
 142                                 phba->brd_no);
 143                 mempool_free(pmb, phba->mbox_mem_pool);
 144                 return -ERESTART;
 145         }
 146
 147         /* Save information as VPD data */
 148         vp->rev.rBit = 1;
 149         vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
 150         memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
 151         vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
 152         memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
 153         vp->rev.biuRev = mb->un.varRdRev.biuRev;
 154         vp->rev.smRev = mb->un.varRdRev.smRev;
 155         vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
 156         vp->rev.endecRev = mb->un.varRdRev.endecRev;
 157         vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
 158         vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
 159         vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
 160         vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
 161         vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
 162         vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
 163
 164         if (lpfc_is_LC_HBA(phba->pcidev->device))
 165                 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
 166                                                 sizeof (phba->RandomData));
 167
 168         /* Get adapter VPD information */
 169         pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
 170         if (!pmb->context2)
 171                 goto out_free_mbox;
 172         lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
 173         if (!lpfc_vpd_data)
 174                 goto out_free_context2;
 175
 176         do {
 177                 lpfc_dump_mem(phba, pmb, offset);
 178                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 179
 180                 if (rc != MBX_SUCCESS) {
 181                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 182                                         "%d:0441 VPD not present on adapter, "
 183                                         "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
 184                                         phba->brd_no,
 185                                         mb->mbxCommand, mb->mbxStatus);
 186                         mb->un.varDmp.word_cnt = 0;
 187                 }
 188                 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
 189                         mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
 190                 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
 191                                                         mb->un.varDmp.word_cnt);
 192                 offset += mb->un.varDmp.word_cnt;
 193         } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
 194         lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
 195
 196         kfree(lpfc_vpd_data);
 197 out_free_context2:
 198         kfree(pmb->context2);
 199 out_free_mbox:
 200         mempool_free(pmb, phba->mbox_mem_pool);
 201         return 0;
 202 }
 203
 204 /************************************************************************/
 205 /*                                                                      */
 206 /*    lpfc_config_port_post                                             */
 207 /*    This routine will do LPFC initialization after the                */
 208 /*    CONFIG_PORT mailbox command. This will be initialized             */
 209 /*    as a SLI layer callback routine.                                  */
 210 /*    This routine returns 0 on success. Any other return value         */
 211 /*    indicates an error.                                               */
 212 /*                                                                      */
 213 /************************************************************************/
 214 int
 215 lpfc_config_port_post(struct lpfc_hba * phba)
 216 {
 217         LPFC_MBOXQ_t *pmb;
 218         MAILBOX_t *mb;
 219         struct lpfc_dmabuf *mp;
 220         struct lpfc_sli *psli = &phba->sli;
 221         uint32_t status, timeout;
 222         int i, j, rc;
 223
 224         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 225         if (!pmb) {
 226                 phba->hba_state = LPFC_HBA_ERROR;
 227                 return -ENOMEM;
 228         }
 229         mb = &pmb->mb;
 230
 231         lpfc_config_link(phba, pmb);
 232         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 233         if (rc != MBX_SUCCESS) {
 234                 lpfc_printf_log(phba,
 235                                 KERN_ERR,
 236                                 LOG_INIT,
 237                                 "%d:0447 Adapter failed init, mbxCmd x%x "
 238                                 "CONFIG_LINK mbxStatus x%x\n",
 239                                 phba->brd_no,
 240                                 mb->mbxCommand, mb->mbxStatus);
 241                 phba->hba_state = LPFC_HBA_ERROR;
 242                 mempool_free( pmb, phba->mbox_mem_pool);
 243                 return -EIO;
 244         }
 245
 246         /* Get login parameters for NID.  */
 247         lpfc_read_sparam(phba, pmb);
 248         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 249                 lpfc_printf_log(phba,
 250                                 KERN_ERR,
 251                                 LOG_INIT,
 252                                 "%d:0448 Adapter failed init, mbxCmd x%x "
 253                                 "READ_SPARM mbxStatus x%x\n",
 254                                 phba->brd_no,
 255                                 mb->mbxCommand, mb->mbxStatus);
 256                 phba->hba_state = LPFC_HBA_ERROR;
 257                 mp = (struct lpfc_dmabuf *) pmb->context1;
 258                 mempool_free( pmb, phba->mbox_mem_pool);
 259                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 260                 kfree(mp);
 261                 return -EIO;
 262         }
 263
 264         mp = (struct lpfc_dmabuf *) pmb->context1;
 265
 266         memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
 267         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 268         kfree(mp);
 269         pmb->context1 = NULL;
 270
 271         if (phba->cfg_soft_wwpn)
 272                 u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn);
 273         memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
 274                sizeof (struct lpfc_name));
 275         memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
 276                sizeof (struct lpfc_name));
 277         /* If no serial number in VPD data, use low 6 bytes of WWNN */
 278         /* This should be consolidated into parse_vpd ? - mr */
 279         if (phba->SerialNumber[0] == 0) {
 280                 uint8_t *outptr;
 281
 282                 outptr = &phba->fc_nodename.u.s.IEEE[0];
 283                 for (i = 0; i < 12; i++) {
 284                         status = *outptr++;
 285                         j = ((status & 0xf0) >> 4);
 286                         if (j <= 9)
 287                                 phba->SerialNumber[i] =
 288                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 289                         else
 290                                 phba->SerialNumber[i] =
 291                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 292                         i++;
 293                         j = (status & 0xf);
 294                         if (j <= 9)
 295                                 phba->SerialNumber[i] =
 296                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 297                         else
 298                                 phba->SerialNumber[i] =
 299                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 300                 }
 301         }
 302
 303         lpfc_read_config(phba, pmb);
 304         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 305                 lpfc_printf_log(phba,
 306                                 KERN_ERR,
 307                                 LOG_INIT,
 308                                 "%d:0453 Adapter failed to init, mbxCmd x%x "
 309                                 "READ_CONFIG, mbxStatus x%x\n",
 310                                 phba->brd_no,
 311                                 mb->mbxCommand, mb->mbxStatus);
 312                 phba->hba_state = LPFC_HBA_ERROR;
 313                 mempool_free( pmb, phba->mbox_mem_pool);
 314                 return -EIO;
 315         }
 316
 317         /* Reset the DFT_HBA_Q_DEPTH to the max xri  */
 318         if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
 319                 phba->cfg_hba_queue_depth =
 320                         mb->un.varRdConfig.max_xri + 1;
 321
 322         phba->lmt = mb->un.varRdConfig.lmt;
 323
 324         /* Get the default values for Model Name and Description */
 325         lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
 326
 327         if ((phba->cfg_link_speed > LINK_SPEED_10G)
 328             || ((phba->cfg_link_speed == LINK_SPEED_1G)
 329                 && !(phba->lmt & LMT_1Gb))
 330             || ((phba->cfg_link_speed == LINK_SPEED_2G)
 331                 && !(phba->lmt & LMT_2Gb))
 332             || ((phba->cfg_link_speed == LINK_SPEED_4G)
 333                 && !(phba->lmt & LMT_4Gb))
 334             || ((phba->cfg_link_speed == LINK_SPEED_8G)
 335                 && !(phba->lmt & LMT_8Gb))
 336             || ((phba->cfg_link_speed == LINK_SPEED_10G)
 337                 && !(phba->lmt & LMT_10Gb))) {
 338                 /* Reset link speed to auto */
 339                 lpfc_printf_log(phba,
 340                         KERN_WARNING,
 341                         LOG_LINK_EVENT,
 342                         "%d:1302 Invalid speed for this board: "
 343                         "Reset link speed to auto: x%x\n",
 344                         phba->brd_no,
 345                         phba->cfg_link_speed);
 346                         phba->cfg_link_speed = LINK_SPEED_AUTO;
 347         }
 348
 349         phba->hba_state = LPFC_LINK_DOWN;
 350
 351         /* Only process IOCBs on ring 0 till hba_state is READY */
 352         if (psli->ring[psli->extra_ring].cmdringaddr)
 353                 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
 354         if (psli->ring[psli->fcp_ring].cmdringaddr)
 355                 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
 356         if (psli->ring[psli->next_ring].cmdringaddr)
 357                 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
 358
 359         /* Post receive buffers for desired rings */
 360         lpfc_post_rcv_buf(phba);
 361
 362         /* Enable appropriate host interrupts */
 363         spin_lock_irq(phba->host->host_lock);
 364         status = readl(phba->HCregaddr);
 365         status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
 366         if (psli->num_rings > 0)
 367                 status |= HC_R0INT_ENA;
 368         if (psli->num_rings > 1)
 369                 status |= HC_R1INT_ENA;
 370         if (psli->num_rings > 2)
 371                 status |= HC_R2INT_ENA;
 372         if (psli->num_rings > 3)
 373                 status |= HC_R3INT_ENA;
 374
 375         if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
 376             (phba->cfg_poll & DISABLE_FCP_RING_INT))
 377                 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
 378
 379         writel(status, phba->HCregaddr);
 380         readl(phba->HCregaddr); /* flush */
 381         spin_unlock_irq(phba->host->host_lock);
 382
 383         /*
 384          * Setup the ring 0 (els)  timeout handler
 385          */
 386         timeout = phba->fc_ratov << 1;
 387         phba->els_tmofunc.expires = jiffies + HZ * timeout;
 388         add_timer(&phba->els_tmofunc);
 389
 390         lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
 391         pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 392         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
 393         if (rc != MBX_SUCCESS) {
 394                 lpfc_printf_log(phba,
 395                                 KERN_ERR,
 396                                 LOG_INIT,
 397                                 "%d:0454 Adapter failed to init, mbxCmd x%x "
 398                                 "INIT_LINK, mbxStatus x%x\n",
 399                                 phba->brd_no,
 400                                 mb->mbxCommand, mb->mbxStatus);
 401
 402                 /* Clear all interrupt enable conditions */
 403                 writel(0, phba->HCregaddr);
 404                 readl(phba->HCregaddr); /* flush */
 405                 /* Clear all pending interrupts */
 406                 writel(0xffffffff, phba->HAregaddr);
 407                 readl(phba->HAregaddr); /* flush */
 408
 409                 phba->hba_state = LPFC_HBA_ERROR;
 410                 if (rc != MBX_BUSY)
 411                         mempool_free(pmb, phba->mbox_mem_pool);
 412                 return -EIO;
 413         }
 414         /* MBOX buffer will be freed in mbox compl */
 415
 416         return (0);
 417 }
 418
 419 static int
 420 lpfc_discovery_wait(struct lpfc_hba *phba)
 421 {
 422         int i = 0;
 423
 424         while ((phba->hba_state != LPFC_HBA_READY) ||
 425                (phba->num_disc_nodes) || (phba->fc_prli_sent) ||
 426                ((phba->fc_map_cnt == 0) && (i<2)) ||
 427                (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
 428                 /* Check every second for 30 retries. */
 429                 i++;
 430                 if (i > 30) {
 431                         return -ETIMEDOUT;
 432                 }
 433                 if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
 434                         /* The link is down.  Set linkdown timeout */
 435                         return -ETIMEDOUT;
 436                 }
 437
 438                 /* Delay for 1 second to give discovery time to complete. */
 439                 msleep(1000);
 440
 441         }
 442
 443         return 0;
 444 }
 445
 446 /************************************************************************/
 447 /*                                                                      */
 448 /*    lpfc_hba_down_prep                                                */
 449 /*    This routine will do LPFC uninitialization before the             */
 450 /*    HBA is reset when bringing down the SLI Layer. This will be       */
 451 /*    initialized as a SLI layer callback routine.                      */
 452 /*    This routine returns 0 on success. Any other return value         */
 453 /*    indicates an error.                                               */
 454 /*                                                                      */
 455 /************************************************************************/
 456 int
 457 lpfc_hba_down_prep(struct lpfc_hba * phba)
 458 {
 459         /* Disable interrupts */
 460         writel(0, phba->HCregaddr);
 461         readl(phba->HCregaddr); /* flush */
 462
 463         /* Cleanup potential discovery resources */
 464         lpfc_els_flush_rscn(phba);
 465         lpfc_els_flush_cmd(phba);
 466         lpfc_disc_flush_list(phba);
 467
 468         return (0);
 469 }
 470
 471 /************************************************************************/
 472 /*                                                                      */
 473 /*    lpfc_hba_down_post                                                */
 474 /*    This routine will do uninitialization after the HBA is reset      */
 475 /*    when bringing down the SLI Layer.                                 */
 476 /*    This routine returns 0 on success. Any other return value         */
 477 /*    indicates an error.                                               */
 478 /*                                                                      */
 479 /************************************************************************/
 480 int
 481 lpfc_hba_down_post(struct lpfc_hba * phba)
 482 {
 483         struct lpfc_sli *psli = &phba->sli;
 484         struct lpfc_sli_ring *pring;
 485         struct lpfc_dmabuf *mp, *next_mp;
 486         int i;
 487
 488         /* Cleanup preposted buffers on the ELS ring */
 489         pring = &psli->ring[LPFC_ELS_RING];
 490         list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
 491                 list_del(&mp->list);
 492                 pring->postbufq_cnt--;
 493                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 494                 kfree(mp);
 495         }
 496
 497         for (i = 0; i < psli->num_rings; i++) {
 498                 pring = &psli->ring[i];
 499                 lpfc_sli_abort_iocb_ring(phba, pring);
 500         }
 501
 502         return 0;
 503 }
 504
 505 /************************************************************************/
 506 /*                                                                      */
 507 /*    lpfc_handle_eratt                                                 */
 508 /*    This routine will handle processing a Host Attention              */
 509 /*    Error Status event. This will be initialized                      */
 510 /*    as a SLI layer callback routine.                                  */
 511 /*                                                                      */
 512 /************************************************************************/
 513 void
 514 lpfc_handle_eratt(struct lpfc_hba * phba)
 515 {
 516         struct lpfc_sli *psli = &phba->sli;
 517         struct lpfc_sli_ring  *pring;
 518         uint32_t event_data;
 519
 520         if (phba->work_hs & HS_FFER6) {
 521                 /* Re-establishing Link */
 522                 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
 523                                 "%d:1301 Re-establishing Link "
 524                                 "Data: x%x x%x x%x\n",
 525                                 phba->brd_no, phba->work_hs,
 526                                 phba->work_status[0], phba->work_status[1]);
 527                 spin_lock_irq(phba->host->host_lock);
 528                 phba->fc_flag |= FC_ESTABLISH_LINK;
 529                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 530                 spin_unlock_irq(phba->host->host_lock);
 531
 532                 /*
 533                 * Firmware stops when it triggled erratt with HS_FFER6.
 534                 * That could cause the I/Os dropped by the firmware.
 535                 * Error iocb (I/O) on txcmplq and let the SCSI layer
 536                 * retry it after re-establishing link.
 537                 */
 538                 pring = &psli->ring[psli->fcp_ring];
 539                 lpfc_sli_abort_iocb_ring(phba, pring);
 540
 541
 542                 /*
 543                  * There was a firmware error.  Take the hba offline and then
 544                  * attempt to restart it.
 545                  */
 546                 lpfc_offline(phba);
 547                 lpfc_sli_brdrestart(phba);
 548                 if (lpfc_online(phba) == 0) {   /* Initialize the HBA */
 549                         mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
 550                         return;
 551                 }
 552         } else {
 553                 /* The if clause above forces this code path when the status
 554                  * failure is a value other than FFER6.  Do not call the offline
 555                  *  twice. This is the adapter hardware error path.
 556                  */
 557                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 558                                 "%d:0457 Adapter Hardware Error "
 559                                 "Data: x%x x%x x%x\n",
 560                                 phba->brd_no, phba->work_hs,
 561                                 phba->work_status[0], phba->work_status[1]);
 562
 563                 event_data = FC_REG_DUMP_EVENT;
 564                 fc_host_post_vendor_event(phba->host, fc_get_event_number(),
 565                                 sizeof(event_data), (char *) &event_data,
 566                                 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
 567
 568                 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 569                 lpfc_offline(phba);
 570                 phba->hba_state = LPFC_HBA_ERROR;
 571                 lpfc_hba_down_post(phba);
 572         }
 573 }
 574
 575 /************************************************************************/
 576 /*                                                                      */
 577 /*    lpfc_handle_latt                                                  */
 578 /*    This routine will handle processing a Host Attention              */
 579 /*    Link Status event. This will be initialized                       */
 580 /*    as a SLI layer callback routine.                                  */
 581 /*                                                                      */
 582 /************************************************************************/
 583 void
 584 lpfc_handle_latt(struct lpfc_hba * phba)
 585 {
 586         struct lpfc_sli *psli = &phba->sli;
 587         LPFC_MBOXQ_t *pmb;
 588         volatile uint32_t control;
 589         struct lpfc_dmabuf *mp;
 590         int rc = -ENOMEM;
 591
 592         pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 593         if (!pmb)
 594                 goto lpfc_handle_latt_err_exit;
 595
 596         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 597         if (!mp)
 598                 goto lpfc_handle_latt_free_pmb;
 599
 600         mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
 601         if (!mp->virt)
 602                 goto lpfc_handle_latt_free_mp;
 603
 604         rc = -EIO;
 605
 606         /* Cleanup any outstanding ELS commands */
 607         lpfc_els_flush_cmd(phba);
 608
 609         psli->slistat.link_event++;
 610         lpfc_read_la(phba, pmb, mp);
 611         pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
 612         rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
 613         if (rc == MBX_NOT_FINISHED)
 614                 goto lpfc_handle_latt_free_mp;
 615
 616         /* Clear Link Attention in HA REG */
 617         spin_lock_irq(phba->host->host_lock);
 618         writel(HA_LATT, phba->HAregaddr);
 619         readl(phba->HAregaddr); /* flush */
 620         spin_unlock_irq(phba->host->host_lock);
 621
 622         return;
 623
 624 lpfc_handle_latt_free_mp:
 625         kfree(mp);
 626 lpfc_handle_latt_free_pmb:
 627         kfree(pmb);
 628 lpfc_handle_latt_err_exit:
 629         /* Enable Link attention interrupts */
 630         spin_lock_irq(phba->host->host_lock);
 631         psli->sli_flag |= LPFC_PROCESS_LA;
 632         control = readl(phba->HCregaddr);
 633         control |= HC_LAINT_ENA;
 634         writel(control, phba->HCregaddr);
 635         readl(phba->HCregaddr); /* flush */
 636
 637         /* Clear Link Attention in HA REG */
 638         writel(HA_LATT, phba->HAregaddr);
 639         readl(phba->HAregaddr); /* flush */
 640         spin_unlock_irq(phba->host->host_lock);
 641         lpfc_linkdown(phba);
 642         phba->hba_state = LPFC_HBA_ERROR;
 643
 644         /* The other case is an error from issue_mbox */
 645         if (rc == -ENOMEM)
 646                 lpfc_printf_log(phba,
 647                                 KERN_WARNING,
 648                                 LOG_MBOX,
 649                                 "%d:0300 READ_LA: no buffers\n",
 650                                 phba->brd_no);
 651
 652         return;
 653 }
 654
 655 /************************************************************************/
 656 /*                                                                      */
 657 /*   lpfc_parse_vpd                                                     */
 658 /*   This routine will parse the VPD data                               */
 659 /*                                                                      */
 660 /************************************************************************/
 661 static int
 662 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd, int len)
 663 {
 664         uint8_t lenlo, lenhi;
 665         uint32_t Length;
 666         int i, j;
 667         int finished = 0;
 668         int index = 0;
 669
 670         if (!vpd)
 671                 return 0;
 672
 673         /* Vital Product */
 674         lpfc_printf_log(phba,
 675                         KERN_INFO,
 676                         LOG_INIT,
 677                         "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
 678                         phba->brd_no,
 679                         (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
 680                         (uint32_t) vpd[3]);
 681         while (!finished && (index < (len - 4))) {
 682                 switch (vpd[index]) {
 683                 case 0x82:
 684                 case 0x91:
 685                         index += 1;
 686                         lenlo = vpd[index];
 687                         index += 1;
 688                         lenhi = vpd[index];
 689                         index += 1;
 690                         i = ((((unsigned short)lenhi) << 8) + lenlo);
 691                         index += i;
 692                         break;
 693                 case 0x90:
 694                         index += 1;
 695                         lenlo = vpd[index];
 696                         index += 1;
 697                         lenhi = vpd[index];
 698                         index += 1;
 699                         Length = ((((unsigned short)lenhi) << 8) + lenlo);
 700                         if (Length > len - index)
 701                                 Length = len - index;
 702                         while (Length > 0) {
 703                         /* Look for Serial Number */
 704                         if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
 705                                 index += 2;
 706                                 i = vpd[index];
 707                                 index += 1;
 708                                 j = 0;
 709                                 Length -= (3+i);
 710                                 while(i--) {
 711                                         phba->SerialNumber[j++] = vpd[index++];
 712                                         if (j == 31)
 713                                                 break;
 714                                 }
 715                                 phba->SerialNumber[j] = 0;
 716                                 continue;
 717                         }
 718                         else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
 719                                 phba->vpd_flag |= VPD_MODEL_DESC;
 720                                 index += 2;
 721                                 i = vpd[index];
 722                                 index += 1;
 723                                 j = 0;
 724                                 Length -= (3+i);
 725                                 while(i--) {
 726                                         phba->ModelDesc[j++] = vpd[index++];
 727                                         if (j == 255)
 728                                                 break;
 729                                 }
 730                                 phba->ModelDesc[j] = 0;
 731                                 continue;
 732                         }
 733                         else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
 734                                 phba->vpd_flag |= VPD_MODEL_NAME;
 735                                 index += 2;
 736                                 i = vpd[index];
 737                                 index += 1;
 738                                 j = 0;
 739                                 Length -= (3+i);
 740                                 while(i--) {
 741                                         phba->ModelName[j++] = vpd[index++];
 742                                         if (j == 79)
 743                                                 break;
 744                                 }
 745                                 phba->ModelName[j] = 0;
 746                                 continue;
 747                         }
 748                         else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
 749                                 phba->vpd_flag |= VPD_PROGRAM_TYPE;
 750                                 index += 2;
 751                                 i = vpd[index];
 752                                 index += 1;
 753                                 j = 0;
 754                                 Length -= (3+i);
 755                                 while(i--) {
 756                                         phba->ProgramType[j++] = vpd[index++];
 757                                         if (j == 255)
 758                                                 break;
 759                                 }
 760                                 phba->ProgramType[j] = 0;
 761                                 continue;
 762                         }
 763                         else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
 764                                 phba->vpd_flag |= VPD_PORT;
 765                                 index += 2;
 766                                 i = vpd[index];
 767                                 index += 1;
 768                                 j = 0;
 769                                 Length -= (3+i);
 770                                 while(i--) {
 771                                 phba->Port[j++] = vpd[index++];
 772                                 if (j == 19)
 773                                         break;
 774                                 }
 775                                 phba->Port[j] = 0;
 776                                 continue;
 777                         }
 778                         else {
 779                                 index += 2;
 780                                 i = vpd[index];
 781                                 index += 1;
 782                                 index += i;
 783                                 Length -= (3 + i);
 784                         }
 785                 }
 786                 finished = 0;
 787                 break;
 788                 case 0x78:
 789                         finished = 1;
 790                         break;
 791                 default:
 792                         index ++;
 793                         break;
 794                 }
 795         }
 796
 797         return(1);
 798 }
 799
 800 static void
 801 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
 802 {
 803         lpfc_vpd_t *vp;
 804         uint16_t dev_id = phba->pcidev->device;
 805         uint16_t dev_subid = phba->pcidev->subsystem_device;
 806         uint8_t hdrtype;
 807         int max_speed;
 808         char * ports;
 809         struct {
 810                 char * name;
 811                 int    max_speed;
 812                 char * ports;
 813                 char * bus;
 814         } m = {"<Unknown>", 0, "", ""};
 815
 816         pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype);
 817         ports = (hdrtype == 0x80) ? "2-port " : "";
 818         if (mdp && mdp[0] != '\0'
 819                 && descp && descp[0] != '\0')
 820                 return;
 821
 822         if (phba->lmt & LMT_10Gb)
 823                 max_speed = 10;
 824         else if (phba->lmt & LMT_8Gb)
 825                 max_speed = 8;
 826         else if (phba->lmt & LMT_4Gb)
 827                 max_speed = 4;
 828         else if (phba->lmt & LMT_2Gb)
 829                 max_speed = 2;
 830         else
 831                 max_speed = 1;
 832
 833         vp = &phba->vpd;
 834
 835         switch (dev_id) {
 836         case PCI_DEVICE_ID_FIREFLY:
 837                 m = (typeof(m)){"LP6000", max_speed, "", "PCI"};
 838                 break;
 839         case PCI_DEVICE_ID_SUPERFLY:
 840                 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
 841                         m = (typeof(m)){"LP7000", max_speed, "", "PCI"};
 842                 else
 843                         m = (typeof(m)){"LP7000E", max_speed, "", "PCI"};
 844                 break;
 845         case PCI_DEVICE_ID_DRAGONFLY:
 846                 m = (typeof(m)){"LP8000", max_speed, "", "PCI"};
 847                 break;
 848         case PCI_DEVICE_ID_CENTAUR:
 849                 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
 850                         m = (typeof(m)){"LP9002", max_speed, "", "PCI"};
 851                 else
 852                         m = (typeof(m)){"LP9000", max_speed, "", "PCI"};
 853                 break;
 854         case PCI_DEVICE_ID_RFLY:
 855                 m = (typeof(m)){"LP952", max_speed, "", "PCI"};
 856                 break;
 857         case PCI_DEVICE_ID_PEGASUS:
 858                 m = (typeof(m)){"LP9802", max_speed, "", "PCI-X"};
 859                 break;
 860         case PCI_DEVICE_ID_THOR:
 861                 if (hdrtype == 0x80)
 862                         m = (typeof(m)){"LP10000DC",
 863                                         max_speed, ports, "PCI-X"};
 864                 else
 865                         m = (typeof(m)){"LP10000",
 866                                         max_speed, ports, "PCI-X"};
 867                 break;
 868         case PCI_DEVICE_ID_VIPER:
 869                 m = (typeof(m)){"LPX1000", max_speed, "", "PCI-X"};
 870                 break;
 871         case PCI_DEVICE_ID_PFLY:
 872                 m = (typeof(m)){"LP982", max_speed, "", "PCI-X"};
 873                 break;
 874         case PCI_DEVICE_ID_TFLY:
 875                 if (hdrtype == 0x80)
 876                         m = (typeof(m)){"LP1050DC", max_speed, ports, "PCI-X"};
 877                 else
 878                         m = (typeof(m)){"LP1050", max_speed, ports, "PCI-X"};
 879                 break;
 880         case PCI_DEVICE_ID_HELIOS:
 881                 if (hdrtype == 0x80)
 882                         m = (typeof(m)){"LP11002", max_speed, ports, "PCI-X2"};
 883                 else
 884                         m = (typeof(m)){"LP11000", max_speed, ports, "PCI-X2"};
 885                 break;
 886         case PCI_DEVICE_ID_HELIOS_SCSP:
 887                 m = (typeof(m)){"LP11000-SP", max_speed, ports, "PCI-X2"};
 888                 break;
 889         case PCI_DEVICE_ID_HELIOS_DCSP:
 890                 m = (typeof(m)){"LP11002-SP", max_speed, ports, "PCI-X2"};
 891                 break;
 892         case PCI_DEVICE_ID_NEPTUNE:
 893                 if (hdrtype == 0x80)
 894                         m = (typeof(m)){"LPe1002", max_speed, ports, "PCIe"};
 895                 else
 896                         m = (typeof(m)){"LPe1000", max_speed, ports, "PCIe"};
 897                 break;
 898         case PCI_DEVICE_ID_NEPTUNE_SCSP:
 899                 m = (typeof(m)){"LPe1000-SP", max_speed, ports, "PCIe"};
 900                 break;
 901         case PCI_DEVICE_ID_NEPTUNE_DCSP:
 902                 m = (typeof(m)){"LPe1002-SP", max_speed, ports, "PCIe"};
 903                 break;
 904         case PCI_DEVICE_ID_BMID:
 905                 m = (typeof(m)){"LP1150", max_speed, ports, "PCI-X2"};
 906                 break;
 907         case PCI_DEVICE_ID_BSMB:
 908                 m = (typeof(m)){"LP111", max_speed, ports, "PCI-X2"};
 909                 break;
 910         case PCI_DEVICE_ID_ZEPHYR:
 911                 if (hdrtype == 0x80)
 912                         m = (typeof(m)){"LPe11002", max_speed, ports, "PCIe"};
 913                 else
 914                         m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
 915                 break;
 916         case PCI_DEVICE_ID_ZEPHYR_SCSP:
 917                 m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
 918                 break;
 919         case PCI_DEVICE_ID_ZEPHYR_DCSP:
 920                 m = (typeof(m)){"LPe11002-SP", max_speed, ports, "PCIe"};
 921                 break;
 922         case PCI_DEVICE_ID_ZMID:
 923                 m = (typeof(m)){"LPe1150", max_speed, ports, "PCIe"};
 924                 break;
 925         case PCI_DEVICE_ID_ZSMB:
 926                 m = (typeof(m)){"LPe111", max_speed, ports, "PCIe"};
 927                 break;
 928         case PCI_DEVICE_ID_LP101:
 929                 m = (typeof(m)){"LP101", max_speed, ports, "PCI-X"};
 930                 break;
 931         case PCI_DEVICE_ID_LP10000S:
 932                 m = (typeof(m)){"LP10000-S", max_speed, ports, "PCI"};
 933                 break;
 934         case PCI_DEVICE_ID_LP11000S:
 935         case PCI_DEVICE_ID_LPE11000S:
 936                 switch (dev_subid) {
 937                 case PCI_SUBSYSTEM_ID_LP11000S:
 938                         m = (typeof(m)){"LP11000-S", max_speed,
 939                                         ports, "PCI-X2"};
 940                         break;
 941                 case PCI_SUBSYSTEM_ID_LP11002S:
 942                         m = (typeof(m)){"LP11002-S", max_speed,
 943                                         ports, "PCI-X2"};
 944                         break;
 945                 case PCI_SUBSYSTEM_ID_LPE11000S:
 946                         m = (typeof(m)){"LPe11000-S", max_speed,
 947                                         ports, "PCIe"};
 948                         break;
 949                 case PCI_SUBSYSTEM_ID_LPE11002S:
 950                         m = (typeof(m)){"LPe11002-S", max_speed,
 951                                         ports, "PCIe"};
 952                         break;
 953                 case PCI_SUBSYSTEM_ID_LPE11010S:
 954                         m = (typeof(m)){"LPe11010-S", max_speed,
 955                                         "10-port ", "PCIe"};
 956                         break;
 957                 default:
 958                         m = (typeof(m)){ NULL };
 959                         break;
 960                 }
 961                 break;
 962         default:
 963                 m = (typeof(m)){ NULL };
 964                 break;
 965         }
 966
 967         if (mdp && mdp[0] == '\0')
 968                 snprintf(mdp, 79,"%s", m.name);
 969         if (descp && descp[0] == '\0')
 970                 snprintf(descp, 255,
 971                          "Emulex %s %dGb %s%s Fibre Channel Adapter",
 972                          m.name, m.max_speed, m.ports, m.bus);
 973 }
 974
 975 /**************************************************/
 976 /*   lpfc_post_buffer                             */
 977 /*                                                */
 978 /*   This routine will post count buffers to the  */
 979 /*   ring with the QUE_RING_BUF_CN command. This  */
 980 /*   allows 3 buffers / command to be posted.     */
 981 /*   Returns the number of buffers NOT posted.    */
 982 /**************************************************/
 983 int
 984 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
 985                  int type)
 986 {
 987         IOCB_t *icmd;
 988         struct lpfc_iocbq *iocb;
 989         struct lpfc_dmabuf *mp1, *mp2;
 990
 991         cnt += pring->missbufcnt;
 992
 993         /* While there are buffers to post */
 994         while (cnt > 0) {
 995                 /* Allocate buffer for  command iocb */
 996                 spin_lock_irq(phba->host->host_lock);
 997                 iocb = lpfc_sli_get_iocbq(phba);
 998                 spin_unlock_irq(phba->host->host_lock);
 999                 if (iocb == NULL) {
1000                         pring->missbufcnt = cnt;
1001                         return cnt;
1002                 }
1003                 icmd = &iocb->iocb;
1004
1005                 /* 2 buffers can be posted per command */
1006                 /* Allocate buffer to post */
1007                 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1008                 if (mp1)
1009                     mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1010                                                 &mp1->phys);
1011                 if (mp1 == 0 || mp1->virt == 0) {
1012                         kfree(mp1);
1013                         spin_lock_irq(phba->host->host_lock);
1014                         lpfc_sli_release_iocbq(phba, iocb);
1015                         spin_unlock_irq(phba->host->host_lock);
1016                         pring->missbufcnt = cnt;
1017                         return cnt;
1018                 }
1019
1020                 INIT_LIST_HEAD(&mp1->list);
1021                 /* Allocate buffer to post */
1022                 if (cnt > 1) {
1023                         mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1024                         if (mp2)
1025                                 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1026                                                             &mp2->phys);
1027                         if (mp2 == 0 || mp2->virt == 0) {
1028                                 kfree(mp2);
1029                                 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1030                                 kfree(mp1);
1031                                 spin_lock_irq(phba->host->host_lock);
1032                                 lpfc_sli_release_iocbq(phba, iocb);
1033                                 spin_unlock_irq(phba->host->host_lock);
1034                                 pring->missbufcnt = cnt;
1035                                 return cnt;
1036                         }
1037
1038                         INIT_LIST_HEAD(&mp2->list);
1039                 } else {
1040                         mp2 = NULL;
1041                 }
1042
1043                 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1044                 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1045                 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1046                 icmd->ulpBdeCount = 1;
1047                 cnt--;
1048                 if (mp2) {
1049                         icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1050                         icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1051                         icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1052                         cnt--;
1053                         icmd->ulpBdeCount = 2;
1054                 }
1055
1056                 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1057                 icmd->ulpLe = 1;
1058
1059                 spin_lock_irq(phba->host->host_lock);
1060                 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1061                         lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1062                         kfree(mp1);
1063                         cnt++;
1064                         if (mp2) {
1065                                 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1066                                 kfree(mp2);
1067                                 cnt++;
1068                         }
1069                         lpfc_sli_release_iocbq(phba, iocb);
1070                         pring->missbufcnt = cnt;
1071                         spin_unlock_irq(phba->host->host_lock);
1072                         return cnt;
1073                 }
1074                 spin_unlock_irq(phba->host->host_lock);
1075                 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1076                 if (mp2) {
1077                         lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1078                 }
1079         }
1080         pring->missbufcnt = 0;
1081         return 0;
1082 }
1083
1084 /************************************************************************/
1085 /*                                                                      */
1086 /*   lpfc_post_rcv_buf                                                  */
1087 /*   This routine post initial rcv buffers to the configured rings      */
1088 /*                                                                      */
1089 /************************************************************************/
1090 static int
1091 lpfc_post_rcv_buf(struct lpfc_hba * phba)
1092 {
1093         struct lpfc_sli *psli = &phba->sli;
1094
1095         /* Ring 0, ELS / CT buffers */
1096         lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1097         /* Ring 2 - FCP no buffers needed */
1098
1099         return 0;
1100 }
1101
1102 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1103
1104 /************************************************************************/
1105 /*                                                                      */
1106 /*   lpfc_sha_init                                                      */
1107 /*                                                                      */
1108 /************************************************************************/
1109 static void
1110 lpfc_sha_init(uint32_t * HashResultPointer)
1111 {
1112         HashResultPointer[0] = 0x67452301;
1113         HashResultPointer[1] = 0xEFCDAB89;
1114         HashResultPointer[2] = 0x98BADCFE;
1115         HashResultPointer[3] = 0x10325476;
1116         HashResultPointer[4] = 0xC3D2E1F0;
1117 }
1118
1119 /************************************************************************/
1120 /*                                                                      */
1121 /*   lpfc_sha_iterate                                                   */
1122 /*                                                                      */
1123 /************************************************************************/
1124 static void
1125 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1126 {
1127         int t;
1128         uint32_t TEMP;
1129         uint32_t A, B, C, D, E;
1130         t = 16;
1131         do {
1132                 HashWorkingPointer[t] =
1133                     S(1,
1134                       HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1135                                                                      8] ^
1136                       HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1137         } while (++t <= 79);
1138         t = 0;
1139         A = HashResultPointer[0];
1140         B = HashResultPointer[1];
1141         C = HashResultPointer[2];
1142         D = HashResultPointer[3];
1143         E = HashResultPointer[4];
1144
1145         do {
1146                 if (t < 20) {
1147                         TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1148                 } else if (t < 40) {
1149                         TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1150                 } else if (t < 60) {
1151                         TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1152                 } else {
1153                         TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1154                 }
1155                 TEMP += S(5, A) + E + HashWorkingPointer[t];
1156                 E = D;
1157                 D = C;
1158                 C = S(30, B);
1159                 B = A;
1160                 A = TEMP;
1161         } while (++t <= 79);
1162
1163         HashResultPointer[0] += A;
1164         HashResultPointer[1] += B;
1165         HashResultPointer[2] += C;
1166         HashResultPointer[3] += D;
1167         HashResultPointer[4] += E;
1168
1169 }
1170
1171 /************************************************************************/
1172 /*                                                                      */
1173 /*   lpfc_challenge_key                                                 */
1174 /*                                                                      */
1175 /************************************************************************/
1176 static void
1177 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1178 {
1179         *HashWorking = (*RandomChallenge ^ *HashWorking);
1180 }
1181
1182 /************************************************************************/
1183 /*                                                                      */
1184 /*   lpfc_hba_init                                                      */
1185 /*                                                                      */
1186 /************************************************************************/
1187 void
1188 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1189 {
1190         int t;
1191         uint32_t *HashWorking;
1192         uint32_t *pwwnn = phba->wwnn;
1193
1194         HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1195         if (!HashWorking)
1196                 return;
1197
1198         memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1199         HashWorking[0] = HashWorking[78] = *pwwnn++;
1200         HashWorking[1] = HashWorking[79] = *pwwnn;
1201
1202         for (t = 0; t < 7; t++)
1203                 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1204
1205         lpfc_sha_init(hbainit);
1206         lpfc_sha_iterate(hbainit, HashWorking);
1207         kfree(HashWorking);
1208 }
1209
1210 static void
1211 lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind)
1212 {
1213         struct lpfc_nodelist *ndlp, *next_ndlp;
1214
1215         /* clean up phba - lpfc specific */
1216         lpfc_can_disctmo(phba);
1217         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
1218                                 nlp_listp) {
1219                 lpfc_nlp_remove(phba, ndlp);
1220         }
1221
1222         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1223                                  nlp_listp) {
1224                 lpfc_nlp_remove(phba, ndlp);
1225         }
1226
1227         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
1228                                 nlp_listp) {
1229                 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1230         }
1231
1232         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1233                                 nlp_listp) {
1234                 lpfc_nlp_remove(phba, ndlp);
1235         }
1236
1237         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1238                                 nlp_listp) {
1239                 lpfc_nlp_remove(phba, ndlp);
1240         }
1241
1242         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
1243                                 nlp_listp) {
1244                 lpfc_nlp_remove(phba, ndlp);
1245         }
1246
1247         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1248                                 nlp_listp) {
1249                 lpfc_nlp_remove(phba, ndlp);
1250         }
1251
1252         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1253                                 nlp_listp) {
1254                 lpfc_nlp_remove(phba, ndlp);
1255         }
1256
1257         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1258         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1259         INIT_LIST_HEAD(&phba->fc_unused_list);
1260         INIT_LIST_HEAD(&phba->fc_plogi_list);
1261         INIT_LIST_HEAD(&phba->fc_adisc_list);
1262         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1263         INIT_LIST_HEAD(&phba->fc_prli_list);
1264         INIT_LIST_HEAD(&phba->fc_npr_list);
1265
1266         phba->fc_map_cnt   = 0;
1267         phba->fc_unmap_cnt = 0;
1268         phba->fc_plogi_cnt = 0;
1269         phba->fc_adisc_cnt = 0;
1270         phba->fc_reglogin_cnt = 0;
1271         phba->fc_prli_cnt  = 0;
1272         phba->fc_npr_cnt   = 0;
1273         phba->fc_unused_cnt= 0;
1274         return;
1275 }
1276
1277 static void
1278 lpfc_establish_link_tmo(unsigned long ptr)
1279 {
1280         struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1281         unsigned long iflag;
1282
1283
1284         /* Re-establishing Link, timer expired */
1285         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1286                         "%d:1300 Re-establishing Link, timer expired "
1287                         "Data: x%x x%x\n",
1288                         phba->brd_no, phba->fc_flag, phba->hba_state);
1289         spin_lock_irqsave(phba->host->host_lock, iflag);
1290         phba->fc_flag &= ~FC_ESTABLISH_LINK;
1291         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1292 }
1293
1294 static int
1295 lpfc_stop_timer(struct lpfc_hba * phba)
1296 {
1297         struct lpfc_sli *psli = &phba->sli;
1298
1299         /* Instead of a timer, this has been converted to a
1300          * deferred procedding list.
1301          */
1302         while (!list_empty(&phba->freebufList)) {
1303
1304                 struct lpfc_dmabuf *mp = NULL;
1305
1306                 list_remove_head((&phba->freebufList), mp,
1307                                  struct lpfc_dmabuf, list);
1308                 if (mp) {
1309                         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1310                         kfree(mp);
1311                 }
1312         }
1313
1314         del_timer_sync(&phba->fcp_poll_timer);
1315         del_timer_sync(&phba->fc_estabtmo);
1316         del_timer_sync(&phba->fc_disctmo);
1317         del_timer_sync(&phba->fc_fdmitmo);
1318         del_timer_sync(&phba->els_tmofunc);
1319         psli = &phba->sli;
1320         del_timer_sync(&psli->mbox_tmo);
1321         return(1);
1322 }
1323
1324 int
1325 lpfc_online(struct lpfc_hba * phba)
1326 {
1327         if (!phba)
1328                 return 0;
1329
1330         if (!(phba->fc_flag & FC_OFFLINE_MODE))
1331                 return 0;
1332
1333         lpfc_printf_log(phba,
1334                        KERN_WARNING,
1335                        LOG_INIT,
1336                        "%d:0458 Bring Adapter online\n",
1337                        phba->brd_no);
1338
1339         if (!lpfc_sli_queue_setup(phba))
1340                 return 1;
1341
1342         if (lpfc_sli_hba_setup(phba))   /* Initialize the HBA */
1343                 return 1;
1344
1345         spin_lock_irq(phba->host->host_lock);
1346         phba->fc_flag &= ~FC_OFFLINE_MODE;
1347         spin_unlock_irq(phba->host->host_lock);
1348
1349         return 0;
1350 }
1351
1352 int
1353 lpfc_offline(struct lpfc_hba * phba)
1354 {
1355         struct lpfc_sli_ring *pring;
1356         struct lpfc_sli *psli;
1357         unsigned long iflag;
1358         int i;
1359         int cnt = 0;
1360
1361         if (!phba)
1362                 return 0;
1363
1364         if (phba->fc_flag & FC_OFFLINE_MODE)
1365                 return 0;
1366
1367         psli = &phba->sli;
1368
1369         lpfc_linkdown(phba);
1370         lpfc_sli_flush_mbox_queue(phba);
1371
1372         for (i = 0; i < psli->num_rings; i++) {
1373                 pring = &psli->ring[i];
1374                 /* The linkdown event takes 30 seconds to timeout. */
1375                 while (pring->txcmplq_cnt) {
1376                         mdelay(10);
1377                         if (cnt++ > 3000) {
1378                                 lpfc_printf_log(phba,
1379                                         KERN_WARNING, LOG_INIT,
1380                                         "%d:0466 Outstanding IO when "
1381                                         "bringing Adapter offline\n",
1382                                         phba->brd_no);
1383                                 break;
1384                         }
1385                 }
1386         }
1387
1388
1389         /* stop all timers associated with this hba */
1390         lpfc_stop_timer(phba);
1391         phba->work_hba_events = 0;
1392         phba->work_ha = 0;
1393
1394         lpfc_printf_log(phba,
1395                        KERN_WARNING,
1396                        LOG_INIT,
1397                        "%d:0460 Bring Adapter offline\n",
1398                        phba->brd_no);
1399
1400         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1401            now.  */
1402         lpfc_sli_hba_down(phba);
1403         lpfc_cleanup(phba, 1);
1404         spin_lock_irqsave(phba->host->host_lock, iflag);
1405         phba->fc_flag |= FC_OFFLINE_MODE;
1406         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1407         return 0;
1408 }
1409
1410 /******************************************************************************
1411 * Function name: lpfc_scsi_free
1412 *
1413 * Description: Called from lpfc_pci_remove_one free internal driver resources
1414 *
1415 ******************************************************************************/
1416 static int
1417 lpfc_scsi_free(struct lpfc_hba * phba)
1418 {
1419         struct lpfc_scsi_buf *sb, *sb_next;
1420         struct lpfc_iocbq *io, *io_next;
1421
1422         spin_lock_irq(phba->host->host_lock);
1423         /* Release all the lpfc_scsi_bufs maintained by this host. */
1424         list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1425                 list_del(&sb->list);
1426                 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1427                                                                 sb->dma_handle);
1428                 kfree(sb);
1429                 phba->total_scsi_bufs--;
1430         }
1431
1432         /* Release all the lpfc_iocbq entries maintained by this host. */
1433         list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1434                 list_del(&io->list);
1435                 kfree(io);
1436                 phba->total_iocbq_bufs--;
1437         }
1438
1439         spin_unlock_irq(phba->host->host_lock);
1440
1441         return 0;
1442 }
1443
1444
1445 static int __devinit
1446 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1447 {
1448         struct Scsi_Host *host;
1449         struct lpfc_hba  *phba;
1450         struct lpfc_sli  *psli;
1451         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1452         unsigned long bar0map_len, bar2map_len;
1453         int error = -ENODEV, retval;
1454         int i;
1455         uint16_t iotag;
1456
1457         if (pci_enable_device(pdev))
1458                 goto out;
1459         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1460                 goto out_disable_device;
1461
1462         host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
1463         if (!host)
1464                 goto out_release_regions;
1465
1466         phba = (struct lpfc_hba*)host->hostdata;
1467         memset(phba, 0, sizeof (struct lpfc_hba));
1468         phba->host = host;
1469
1470         phba->fc_flag |= FC_LOADING;
1471         phba->pcidev = pdev;
1472
1473         /* Assign an unused board number */
1474         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1475                 goto out_put_host;
1476
1477         error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
1478         if (error)
1479                 goto out_put_host;
1480
1481         host->unique_id = phba->brd_no;
1482         INIT_LIST_HEAD(&phba->ctrspbuflist);
1483         INIT_LIST_HEAD(&phba->rnidrspbuflist);
1484         INIT_LIST_HEAD(&phba->freebufList);
1485
1486         /* Initialize timers used by driver */
1487         init_timer(&phba->fc_estabtmo);
1488         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1489         phba->fc_estabtmo.data = (unsigned long)phba;
1490         init_timer(&phba->fc_disctmo);
1491         phba->fc_disctmo.function = lpfc_disc_timeout;
1492         phba->fc_disctmo.data = (unsigned long)phba;
1493
1494         init_timer(&phba->fc_fdmitmo);
1495         phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
1496         phba->fc_fdmitmo.data = (unsigned long)phba;
1497         init_timer(&phba->els_tmofunc);
1498         phba->els_tmofunc.function = lpfc_els_timeout;
1499         phba->els_tmofunc.data = (unsigned long)phba;
1500         psli = &phba->sli;
1501         init_timer(&psli->mbox_tmo);
1502         psli->mbox_tmo.function = lpfc_mbox_timeout;
1503         psli->mbox_tmo.data = (unsigned long)phba;
1504
1505         init_timer(&phba->fcp_poll_timer);
1506         phba->fcp_poll_timer.function = lpfc_poll_timeout;
1507         phba->fcp_poll_timer.data = (unsigned long)phba;
1508
1509         /*
1510          * Get all the module params for configuring this host and then
1511          * establish the host parameters.
1512          */
1513         lpfc_get_cfgparam(phba);
1514
1515         host->max_id = LPFC_MAX_TARGET;
1516         host->max_lun = phba->cfg_max_luns;
1517         host->this_id = -1;
1518
1519         /* Initialize all internally managed lists. */
1520         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1521         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1522         INIT_LIST_HEAD(&phba->fc_unused_list);
1523         INIT_LIST_HEAD(&phba->fc_plogi_list);
1524         INIT_LIST_HEAD(&phba->fc_adisc_list);
1525         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1526         INIT_LIST_HEAD(&phba->fc_prli_list);
1527         INIT_LIST_HEAD(&phba->fc_npr_list);
1528
1529
1530         pci_set_master(pdev);
1531         retval = pci_set_mwi(pdev);
1532         if (retval)
1533                 dev_printk(KERN_WARNING, &pdev->dev,
1534                            "Warning: pci_set_mwi returned %d\n", retval);
1535
1536         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1537                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1538                         goto out_idr_remove;
1539
1540         /*
1541          * Get the bus address of Bar0 and Bar2 and the number of bytes
1542          * required by each mapping.
1543          */
1544         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1545         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1546
1547         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1548         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1549
1550         /* Map HBA SLIM to a kernel virtual address. */
1551         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1552         if (!phba->slim_memmap_p) {
1553                 error = -ENODEV;
1554                 dev_printk(KERN_ERR, &pdev->dev,
1555                            "ioremap failed for SLIM memory.\n");
1556                 goto out_idr_remove;
1557         }
1558
1559         /* Map HBA Control Registers to a kernel virtual address. */
1560         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1561         if (!phba->ctrl_regs_memmap_p) {
1562                 error = -ENODEV;
1563                 dev_printk(KERN_ERR, &pdev->dev,
1564                            "ioremap failed for HBA control registers.\n");
1565                 goto out_iounmap_slim;
1566         }
1567
1568         /* Allocate memory for SLI-2 structures */
1569         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1570                                           &phba->slim2p_mapping, GFP_KERNEL);
1571         if (!phba->slim2p)
1572                 goto out_iounmap;
1573
1574         memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1575
1576         /* Initialize the SLI Layer to run with lpfc HBAs. */
1577         lpfc_sli_setup(phba);
1578         lpfc_sli_queue_setup(phba);
1579
1580         error = lpfc_mem_alloc(phba);
1581         if (error)
1582                 goto out_free_slim;
1583
1584         /* Initialize and populate the iocb list per host.  */
1585         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1586         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1587                 iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1588                 if (iocbq_entry == NULL) {
1589                         printk(KERN_ERR "%s: only allocated %d iocbs of "
1590                                 "expected %d count. Unloading driver.\n",
1591                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1592                         error = -ENOMEM;
1593                         goto out_free_iocbq;
1594                 }
1595
1596                 memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
1597                 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1598                 if (iotag == 0) {
1599                         kfree (iocbq_entry);
1600                         printk(KERN_ERR "%s: failed to allocate IOTAG. "
1601                                "Unloading driver.\n",
1602                                 __FUNCTION__);
1603                         error = -ENOMEM;
1604                         goto out_free_iocbq;
1605                 }
1606                 spin_lock_irq(phba->host->host_lock);
1607                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1608                 phba->total_iocbq_bufs++;
1609                 spin_unlock_irq(phba->host->host_lock);
1610         }
1611
1612         /* Initialize HBA structure */
1613         phba->fc_edtov = FF_DEF_EDTOV;
1614         phba->fc_ratov = FF_DEF_RATOV;
1615         phba->fc_altov = FF_DEF_ALTOV;
1616         phba->fc_arbtov = FF_DEF_ARBTOV;
1617
1618         INIT_LIST_HEAD(&phba->work_list);
1619         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1620         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1621
1622         /* Startup the kernel thread for this host adapter. */
1623         phba->worker_thread = kthread_run(lpfc_do_work, phba,
1624                                        "lpfc_worker_%d", phba->brd_no);
1625         if (IS_ERR(phba->worker_thread)) {
1626                 error = PTR_ERR(phba->worker_thread);
1627                 goto out_free_iocbq;
1628         }
1629
1630         /*
1631          * Set initial can_queue value since 0 is no longer supported and
1632          * scsi_add_host will fail. This will be adjusted later based on the
1633          * max xri value determined in hba setup.
1634          */
1635         host->can_queue = phba->cfg_hba_queue_depth - 10;
1636
1637         /* Tell the midlayer we support 16 byte commands */
1638         host->max_cmd_len = 16;
1639
1640         /* Initialize the list of scsi buffers used by driver for scsi IO. */
1641         spin_lock_init(&phba->scsi_buf_list_lock);
1642         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1643
1644         host->transportt = lpfc_transport_template;
1645         pci_set_drvdata(pdev, host);
1646         error = scsi_add_host(host, &pdev->dev);
1647         if (error)
1648                 goto out_kthread_stop;
1649
1650         error = lpfc_alloc_sysfs_attr(phba);
1651         if (error)
1652                 goto out_remove_host;
1653
1654         error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
1655                                                         LPFC_DRIVER_NAME, phba);
1656         if (error) {
1657                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1658                         "%d:0451 Enable interrupt handler failed\n",
1659                         phba->brd_no);
1660                 goto out_free_sysfs_attr;
1661         }
1662         phba->MBslimaddr = phba->slim_memmap_p;
1663         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1664         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1665         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1666         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1667
1668         error = lpfc_sli_hba_setup(phba);
1669         if (error) {
1670                 error = -ENODEV;
1671                 goto out_free_irq;
1672         }
1673
1674         /*
1675          * hba setup may have changed the hba_queue_depth so we need to adjust
1676          * the value of can_queue.
1677          */
1678         host->can_queue = phba->cfg_hba_queue_depth - 10;
1679
1680         lpfc_discovery_wait(phba);
1681
1682         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1683                 spin_lock_irq(phba->host->host_lock);
1684                 lpfc_poll_start_timer(phba);
1685                 spin_unlock_irq(phba->host->host_lock);
1686         }
1687
1688         /*
1689          * set fixed host attributes
1690          * Must done after lpfc_sli_hba_setup()
1691          */
1692
1693         fc_host_node_name(host) = wwn_to_u64(phba->fc_nodename.u.wwn);
1694         fc_host_port_name(host) = wwn_to_u64(phba->fc_portname.u.wwn);
1695         fc_host_supported_classes(host) = FC_COS_CLASS3;
1696
1697         memset(fc_host_supported_fc4s(host), 0,
1698                 sizeof(fc_host_supported_fc4s(host)));
1699         fc_host_supported_fc4s(host)[2] = 1;
1700         fc_host_supported_fc4s(host)[7] = 1;
1701
1702         lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host));
1703
1704         fc_host_supported_speeds(host) = 0;
1705         if (phba->lmt & LMT_10Gb)
1706                 fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT;
1707         if (phba->lmt & LMT_4Gb)
1708                 fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT;
1709         if (phba->lmt & LMT_2Gb)
1710                 fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT;
1711         if (phba->lmt & LMT_1Gb)
1712                 fc_host_supported_speeds(host) |= FC_PORTSPEED_1GBIT;
1713
1714         fc_host_maxframe_size(host) =
1715                 ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1716                  (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
1717
1718         /* This value is also unchanging */
1719         memset(fc_host_active_fc4s(host), 0,
1720                 sizeof(fc_host_active_fc4s(host)));
1721         fc_host_active_fc4s(host)[2] = 1;
1722         fc_host_active_fc4s(host)[7] = 1;
1723
1724         spin_lock_irq(phba->host->host_lock);
1725         phba->fc_flag &= ~FC_LOADING;
1726         spin_unlock_irq(phba->host->host_lock);
1727         return 0;
1728
1729 out_free_irq:
1730         lpfc_stop_timer(phba);
1731         phba->work_hba_events = 0;
1732         free_irq(phba->pcidev->irq, phba);
1733 out_free_sysfs_attr:
1734         lpfc_free_sysfs_attr(phba);
1735 out_remove_host:
1736         fc_remove_host(phba->host);
1737         scsi_remove_host(phba->host);
1738 out_kthread_stop:
1739         kthread_stop(phba->worker_thread);
1740 out_free_iocbq:
1741         list_for_each_entry_safe(iocbq_entry, iocbq_next,
1742                                                 &phba->lpfc_iocb_list, list) {
1743                 spin_lock_irq(phba->host->host_lock);
1744                 kfree(iocbq_entry);
1745                 phba->total_iocbq_bufs--;
1746                 spin_unlock_irq(phba->host->host_lock);
1747         }
1748         lpfc_mem_free(phba);
1749 out_free_slim:
1750         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1751                                                         phba->slim2p_mapping);
1752 out_iounmap:
1753         iounmap(phba->ctrl_regs_memmap_p);
1754 out_iounmap_slim:
1755         iounmap(phba->slim_memmap_p);
1756 out_idr_remove:
1757         idr_remove(&lpfc_hba_index, phba->brd_no);
1758 out_put_host:
1759         phba->host = NULL;
1760         scsi_host_put(host);
1761 out_release_regions:
1762         pci_release_regions(pdev);
1763 out_disable_device:
1764         pci_disable_device(pdev);
1765 out:
1766         pci_set_drvdata(pdev, NULL);
1767         return error;
1768 }
1769
1770 static void __devexit
1771 lpfc_pci_remove_one(struct pci_dev *pdev)
1772 {
1773         struct Scsi_Host   *host = pci_get_drvdata(pdev);
1774         struct lpfc_hba    *phba = (struct lpfc_hba *)host->hostdata;
1775         unsigned long iflag;
1776
1777         lpfc_free_sysfs_attr(phba);
1778
1779         spin_lock_irqsave(phba->host->host_lock, iflag);
1780         phba->fc_flag |= FC_UNLOADING;
1781
1782         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1783
1784         fc_remove_host(phba->host);
1785         scsi_remove_host(phba->host);
1786
1787         kthread_stop(phba->worker_thread);
1788
1789         /*
1790          * Bring down the SLI Layer. This step disable all interrupts,
1791          * clears the rings, discards all mailbox commands, and resets
1792          * the HBA.
1793          */
1794         lpfc_sli_hba_down(phba);
1795         lpfc_sli_brdrestart(phba);
1796
1797         /* Release the irq reservation */
1798         free_irq(phba->pcidev->irq, phba);
1799
1800         lpfc_cleanup(phba, 0);
1801         lpfc_stop_timer(phba);
1802         phba->work_hba_events = 0;
1803
1804         /*
1805          * Call scsi_free before mem_free since scsi bufs are released to their
1806          * corresponding pools here.
1807          */
1808         lpfc_scsi_free(phba);
1809         lpfc_mem_free(phba);
1810
1811         /* Free resources associated with SLI2 interface */
1812         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
1813                           phba->slim2p, phba->slim2p_mapping);
1814
1815         /* unmap adapter SLIM and Control Registers */
1816         iounmap(phba->ctrl_regs_memmap_p);
1817         iounmap(phba->slim_memmap_p);
1818
1819         pci_release_regions(phba->pcidev);
1820         pci_disable_device(phba->pcidev);
1821
1822         idr_remove(&lpfc_hba_index, phba->brd_no);
1823         scsi_host_put(phba->host);
1824
1825         pci_set_drvdata(pdev, NULL);
1826 }
1827
1828 static struct pci_device_id lpfc_id_table[] = {
1829         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
1830                 PCI_ANY_ID, PCI_ANY_ID, },
1831         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
1832                 PCI_ANY_ID, PCI_ANY_ID, },
1833         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
1834                 PCI_ANY_ID, PCI_ANY_ID, },
1835         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
1836                 PCI_ANY_ID, PCI_ANY_ID, },
1837         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
1838                 PCI_ANY_ID, PCI_ANY_ID, },
1839         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
1840                 PCI_ANY_ID, PCI_ANY_ID, },
1841         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
1842                 PCI_ANY_ID, PCI_ANY_ID, },
1843         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
1844                 PCI_ANY_ID, PCI_ANY_ID, },
1845         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
1846                 PCI_ANY_ID, PCI_ANY_ID, },
1847         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
1848                 PCI_ANY_ID, PCI_ANY_ID, },
1849         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
1850                 PCI_ANY_ID, PCI_ANY_ID, },
1851         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
1852                 PCI_ANY_ID, PCI_ANY_ID, },
1853         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
1854                 PCI_ANY_ID, PCI_ANY_ID, },
1855         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
1856                 PCI_ANY_ID, PCI_ANY_ID, },
1857         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
1858                 PCI_ANY_ID, PCI_ANY_ID, },
1859         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
1860                 PCI_ANY_ID, PCI_ANY_ID, },
1861         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
1862                 PCI_ANY_ID, PCI_ANY_ID, },
1863         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
1864                 PCI_ANY_ID, PCI_ANY_ID, },
1865         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
1866                 PCI_ANY_ID, PCI_ANY_ID, },
1867         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
1868                 PCI_ANY_ID, PCI_ANY_ID, },
1869         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
1870                 PCI_ANY_ID, PCI_ANY_ID, },
1871         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
1872                 PCI_ANY_ID, PCI_ANY_ID, },
1873         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
1874                 PCI_ANY_ID, PCI_ANY_ID, },
1875         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
1876                 PCI_ANY_ID, PCI_ANY_ID, },
1877         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
1878                 PCI_ANY_ID, PCI_ANY_ID, },
1879         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
1880                 PCI_ANY_ID, PCI_ANY_ID, },
1881         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
1882                 PCI_ANY_ID, PCI_ANY_ID, },
1883         { 0 }
1884 };
1885
1886 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
1887
1888 static struct pci_driver lpfc_driver = {
1889         .name           = LPFC_DRIVER_NAME,
1890         .id_table       = lpfc_id_table,
1891         .probe          = lpfc_pci_probe_one,
1892         .remove         = __devexit_p(lpfc_pci_remove_one),
1893 };
1894
1895 static int __init
1896 lpfc_init(void)
1897 {
1898         int error = 0;
1899
1900         printk(LPFC_MODULE_DESC "\n");
1901         printk(LPFC_COPYRIGHT "\n");
1902
1903         lpfc_transport_template =
1904                                 fc_attach_transport(&lpfc_transport_functions);
1905         if (!lpfc_transport_template)
1906                 return -ENOMEM;
1907         error = pci_register_driver(&lpfc_driver);
1908         if (error)
1909                 fc_release_transport(lpfc_transport_template);
1910
1911         return error;
1912 }
1913
1914 static void __exit
1915 lpfc_exit(void)
1916 {
1917         pci_unregister_driver(&lpfc_driver);
1918         fc_release_transport(lpfc_transport_template);
1919 }
1920
1921 module_init(lpfc_init);
1922 module_exit(lpfc_exit);
1923 MODULE_LICENSE("GPL");
1924 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
1925 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1926 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);