drivers/scsi/lpfc/lpfc_init.c

   1 /*******************************************************************
   2  * This file is part of the Emulex Linux Device Driver for         *
   3  * Fibre Channel Host Bus Adapters.                                *
   4  * Copyright (C) 2004-2006 Emulex.  All rights reserved.           *
   5  * EMULEX and SLI are trademarks of Emulex.                        *
   6  * www.emulex.com                                                  *
   7  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
   8  *                                                                 *
   9  * This program is free software; you can redistribute it and/or   *
  10  * modify it under the terms of version 2 of the GNU General       *
  11  * Public License as published by the Free Software Foundation.    *
  12  * This program is distributed in the hope that it will be useful. *
  13  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  14  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  15  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  16  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  17  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  18  * more details, a copy of which can be found in the file COPYING  *
  19  * included with this package.                                     *
  20  *******************************************************************/
  21
  22 #include <linux/blkdev.h>
  23 #include <linux/delay.h>
  24 #include <linux/dma-mapping.h>
  25 #include <linux/idr.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/kthread.h>
  28 #include <linux/pci.h>
  29 #include <linux/spinlock.h>
  30
  31 #include <scsi/scsi.h>
  32 #include <scsi/scsi_device.h>
  33 #include <scsi/scsi_host.h>
  34 #include <scsi/scsi_transport_fc.h>
  35
  36 #include "lpfc_hw.h"
  37 #include "lpfc_sli.h"
  38 #include "lpfc_disc.h"
  39 #include "lpfc_scsi.h"
  40 #include "lpfc.h"
  41 #include "lpfc_logmsg.h"
  42 #include "lpfc_crtn.h"
  43 #include "lpfc_version.h"
  44
  45 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
  46 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
  47 static int lpfc_post_rcv_buf(struct lpfc_hba *);
  48
  49 static struct scsi_transport_template *lpfc_transport_template = NULL;
  50 static DEFINE_IDR(lpfc_hba_index);
  51
  52 /************************************************************************/
  53 /*                                                                      */
  54 /*    lpfc_config_port_prep                                             */
  55 /*    This routine will do LPFC initialization prior to the             */
  56 /*    CONFIG_PORT mailbox command. This will be initialized             */
  57 /*    as a SLI layer callback routine.                                  */
  58 /*    This routine returns 0 on success or -ERESTART if it wants        */
  59 /*    the SLI layer to reset the HBA and try again. Any                 */
  60 /*    other return value indicates an error.                            */
  61 /*                                                                      */
  62 /************************************************************************/
  63 int
  64 lpfc_config_port_prep(struct lpfc_hba * phba)
  65 {
  66         lpfc_vpd_t *vp = &phba->vpd;
  67         int i = 0, rc;
  68         LPFC_MBOXQ_t *pmb;
  69         MAILBOX_t *mb;
  70         char *lpfc_vpd_data = NULL;
  71         uint16_t offset = 0;
  72         static char licensed[56] =
  73                     "key unlock for use with gnu public licensed code only\0";
  74         static int init_key = 1;
  75
  76         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
  77         if (!pmb) {
  78                 phba->hba_state = LPFC_HBA_ERROR;
  79                 return -ENOMEM;
  80         }
  81
  82         mb = &pmb->mb;
  83         phba->hba_state = LPFC_INIT_MBX_CMDS;
  84
  85         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
  86                 if (init_key) {
  87                         uint32_t *ptext = (uint32_t *) licensed;
  88
  89                         for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
  90                                 *ptext = cpu_to_be32(*ptext);
  91                         init_key = 0;
  92                 }
  93
  94                 lpfc_read_nv(phba, pmb);
  95                 memset((char*)mb->un.varRDnvp.rsvd3, 0,
  96                         sizeof (mb->un.varRDnvp.rsvd3));
  97                 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
  98                          sizeof (licensed));
  99
 100                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 101
 102                 if (rc != MBX_SUCCESS) {
 103                         lpfc_printf_log(phba,
 104                                         KERN_ERR,
 105                                         LOG_MBOX,
 106                                         "%d:0324 Config Port initialization "
 107                                         "error, mbxCmd x%x READ_NVPARM, "
 108                                         "mbxStatus x%x\n",
 109                                         phba->brd_no,
 110                                         mb->mbxCommand, mb->mbxStatus);
 111                         mempool_free(pmb, phba->mbox_mem_pool);
 112                         return -ERESTART;
 113                 }
 114                 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
 115                        sizeof (mb->un.varRDnvp.nodename));
 116         }
 117
 118         /* Setup and issue mailbox READ REV command */
 119         lpfc_read_rev(phba, pmb);
 120         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 121         if (rc != MBX_SUCCESS) {
 122                 lpfc_printf_log(phba,
 123                                 KERN_ERR,
 124                                 LOG_INIT,
 125                                 "%d:0439 Adapter failed to init, mbxCmd x%x "
 126                                 "READ_REV, mbxStatus x%x\n",
 127                                 phba->brd_no,
 128                                 mb->mbxCommand, mb->mbxStatus);
 129                 mempool_free( pmb, phba->mbox_mem_pool);
 130                 return -ERESTART;
 131         }
 132
 133         /*
 134          * The value of rr must be 1 since the driver set the cv field to 1.
 135          * This setting requires the FW to set all revision fields.
 136          */
 137         if (mb->un.varRdRev.rr == 0) {
 138                 vp->rev.rBit = 0;
 139                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 140                                 "%d:0440 Adapter failed to init, READ_REV has "
 141                                 "missing revision information.\n",
 142                                 phba->brd_no);
 143                 mempool_free(pmb, phba->mbox_mem_pool);
 144                 return -ERESTART;
 145         }
 146
 147         /* Save information as VPD data */
 148         vp->rev.rBit = 1;
 149         vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
 150         memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
 151         vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
 152         memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
 153         vp->rev.biuRev = mb->un.varRdRev.biuRev;
 154         vp->rev.smRev = mb->un.varRdRev.smRev;
 155         vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
 156         vp->rev.endecRev = mb->un.varRdRev.endecRev;
 157         vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
 158         vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
 159         vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
 160         vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
 161         vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
 162         vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
 163
 164         if (lpfc_is_LC_HBA(phba->pcidev->device))
 165                 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
 166                                                 sizeof (phba->RandomData));
 167
 168         /* Get adapter VPD information */
 169         pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
 170         if (!pmb->context2)
 171                 goto out_free_mbox;
 172         lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
 173         if (!lpfc_vpd_data)
 174                 goto out_free_context2;
 175
 176         do {
 177                 lpfc_dump_mem(phba, pmb, offset);
 178                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 179
 180                 if (rc != MBX_SUCCESS) {
 181                         lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 182                                         "%d:0441 VPD not present on adapter, "
 183                                         "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
 184                                         phba->brd_no,
 185                                         mb->mbxCommand, mb->mbxStatus);
 186                         mb->un.varDmp.word_cnt = 0;
 187                 }
 188                 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
 189                         mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
 190                 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
 191                                                         mb->un.varDmp.word_cnt);
 192                 offset += mb->un.varDmp.word_cnt;
 193         } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
 194         lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
 195
 196         kfree(lpfc_vpd_data);
 197 out_free_context2:
 198         kfree(pmb->context2);
 199 out_free_mbox:
 200         mempool_free(pmb, phba->mbox_mem_pool);
 201         return 0;
 202 }
 203
 204 /************************************************************************/
 205 /*                                                                      */
 206 /*    lpfc_config_port_post                                             */
 207 /*    This routine will do LPFC initialization after the                */
 208 /*    CONFIG_PORT mailbox command. This will be initialized             */
 209 /*    as a SLI layer callback routine.                                  */
 210 /*    This routine returns 0 on success. Any other return value         */
 211 /*    indicates an error.                                               */
 212 /*                                                                      */
 213 /************************************************************************/
 214 int
 215 lpfc_config_port_post(struct lpfc_hba * phba)
 216 {
 217         LPFC_MBOXQ_t *pmb;
 218         MAILBOX_t *mb;
 219         struct lpfc_dmabuf *mp;
 220         struct lpfc_sli *psli = &phba->sli;
 221         uint32_t status, timeout;
 222         int i, j, rc;
 223
 224         pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 225         if (!pmb) {
 226                 phba->hba_state = LPFC_HBA_ERROR;
 227                 return -ENOMEM;
 228         }
 229         mb = &pmb->mb;
 230
 231         lpfc_config_link(phba, pmb);
 232         rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
 233         if (rc != MBX_SUCCESS) {
 234                 lpfc_printf_log(phba,
 235                                 KERN_ERR,
 236                                 LOG_INIT,
 237                                 "%d:0447 Adapter failed init, mbxCmd x%x "
 238                                 "CONFIG_LINK mbxStatus x%x\n",
 239                                 phba->brd_no,
 240                                 mb->mbxCommand, mb->mbxStatus);
 241                 phba->hba_state = LPFC_HBA_ERROR;
 242                 mempool_free( pmb, phba->mbox_mem_pool);
 243                 return -EIO;
 244         }
 245
 246         /* Get login parameters for NID.  */
 247         lpfc_read_sparam(phba, pmb);
 248         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 249                 lpfc_printf_log(phba,
 250                                 KERN_ERR,
 251                                 LOG_INIT,
 252                                 "%d:0448 Adapter failed init, mbxCmd x%x "
 253                                 "READ_SPARM mbxStatus x%x\n",
 254                                 phba->brd_no,
 255                                 mb->mbxCommand, mb->mbxStatus);
 256                 phba->hba_state = LPFC_HBA_ERROR;
 257                 mp = (struct lpfc_dmabuf *) pmb->context1;
 258                 mempool_free( pmb, phba->mbox_mem_pool);
 259                 lpfc_mbuf_free(phba, mp->virt, mp->phys);
 260                 kfree(mp);
 261                 return -EIO;
 262         }
 263
 264         mp = (struct lpfc_dmabuf *) pmb->context1;
 265
 266         memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
 267         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 268         kfree(mp);
 269         pmb->context1 = NULL;
 270
 271         if (phba->cfg_soft_wwpn)
 272                 u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn);
 273         memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
 274                sizeof (struct lpfc_name));
 275         memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
 276                sizeof (struct lpfc_name));
 277         /* If no serial number in VPD data, use low 6 bytes of WWNN */
 278         /* This should be consolidated into parse_vpd ? - mr */
 279         if (phba->SerialNumber[0] == 0) {
 280                 uint8_t *outptr;
 281
 282                 outptr = &phba->fc_nodename.u.s.IEEE[0];
 283                 for (i = 0; i < 12; i++) {
 284                         status = *outptr++;
 285                         j = ((status & 0xf0) >> 4);
 286                         if (j <= 9)
 287                                 phba->SerialNumber[i] =
 288                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 289                         else
 290                                 phba->SerialNumber[i] =
 291                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 292                         i++;
 293                         j = (status & 0xf);
 294                         if (j <= 9)
 295                                 phba->SerialNumber[i] =
 296                                     (char)((uint8_t) 0x30 + (uint8_t) j);
 297                         else
 298                                 phba->SerialNumber[i] =
 299                                     (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
 300                 }
 301         }
 302
 303         lpfc_read_config(phba, pmb);
 304         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 305                 lpfc_printf_log(phba,
 306                                 KERN_ERR,
 307                                 LOG_INIT,
 308                                 "%d:0453 Adapter failed to init, mbxCmd x%x "
 309                                 "READ_CONFIG, mbxStatus x%x\n",
 310                                 phba->brd_no,
 311                                 mb->mbxCommand, mb->mbxStatus);
 312                 phba->hba_state = LPFC_HBA_ERROR;
 313                 mempool_free( pmb, phba->mbox_mem_pool);
 314                 return -EIO;
 315         }
 316
 317         /* Reset the DFT_HBA_Q_DEPTH to the max xri  */
 318         if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
 319                 phba->cfg_hba_queue_depth =
 320                         mb->un.varRdConfig.max_xri + 1;
 321
 322         phba->lmt = mb->un.varRdConfig.lmt;
 323
 324         /* Get the default values for Model Name and Description */
 325         lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
 326
 327         if ((phba->cfg_link_speed > LINK_SPEED_10G)
 328             || ((phba->cfg_link_speed == LINK_SPEED_1G)
 329                 && !(phba->lmt & LMT_1Gb))
 330             || ((phba->cfg_link_speed == LINK_SPEED_2G)
 331                 && !(phba->lmt & LMT_2Gb))
 332             || ((phba->cfg_link_speed == LINK_SPEED_4G)
 333                 && !(phba->lmt & LMT_4Gb))
 334             || ((phba->cfg_link_speed == LINK_SPEED_8G)
 335                 && !(phba->lmt & LMT_8Gb))
 336             || ((phba->cfg_link_speed == LINK_SPEED_10G)
 337                 && !(phba->lmt & LMT_10Gb))) {
 338                 /* Reset link speed to auto */
 339                 lpfc_printf_log(phba,
 340                         KERN_WARNING,
 341                         LOG_LINK_EVENT,
 342                         "%d:1302 Invalid speed for this board: "
 343                         "Reset link speed to auto: x%x\n",
 344                         phba->brd_no,
 345                         phba->cfg_link_speed);
 346                         phba->cfg_link_speed = LINK_SPEED_AUTO;
 347         }
 348
 349         phba->hba_state = LPFC_LINK_DOWN;
 350
 351         /* Only process IOCBs on ring 0 till hba_state is READY */
 352         if (psli->ring[psli->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_mbuf;
 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_mbuf:
 625         lpfc_mbuf_free(phba, mp->virt, mp->phys);
 626 lpfc_handle_latt_free_mp:
 627         kfree(mp);
 628 lpfc_handle_latt_free_pmb:
 629         kfree(pmb);
 630 lpfc_handle_latt_err_exit:
 631         /* Enable Link attention interrupts */
 632         spin_lock_irq(phba->host->host_lock);
 633         psli->sli_flag |= LPFC_PROCESS_LA;
 634         control = readl(phba->HCregaddr);
 635         control |= HC_LAINT_ENA;
 636         writel(control, phba->HCregaddr);
 637         readl(phba->HCregaddr); /* flush */
 638
 639         /* Clear Link Attention in HA REG */
 640         writel(HA_LATT, phba->HAregaddr);
 641         readl(phba->HAregaddr); /* flush */
 642         spin_unlock_irq(phba->host->host_lock);
 643         lpfc_linkdown(phba);
 644         phba->hba_state = LPFC_HBA_ERROR;
 645
 646         /* The other case is an error from issue_mbox */
 647         if (rc == -ENOMEM)
 648                 lpfc_printf_log(phba,
 649                                 KERN_WARNING,
 650                                 LOG_MBOX,
 651                                 "%d:0300 READ_LA: no buffers\n",
 652                                 phba->brd_no);
 653
 654         return;
 655 }
 656
 657 /************************************************************************/
 658 /*                                                                      */
 659 /*   lpfc_parse_vpd                                                     */
 660 /*   This routine will parse the VPD data                               */
 661 /*                                                                      */
 662 /************************************************************************/
 663 static int
 664 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd, int len)
 665 {
 666         uint8_t lenlo, lenhi;
 667         uint32_t Length;
 668         int i, j;
 669         int finished = 0;
 670         int index = 0;
 671
 672         if (!vpd)
 673                 return 0;
 674
 675         /* Vital Product */
 676         lpfc_printf_log(phba,
 677                         KERN_INFO,
 678                         LOG_INIT,
 679                         "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
 680                         phba->brd_no,
 681                         (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
 682                         (uint32_t) vpd[3]);
 683         while (!finished && (index < (len - 4))) {
 684                 switch (vpd[index]) {
 685                 case 0x82:
 686                 case 0x91:
 687                         index += 1;
 688                         lenlo = vpd[index];
 689                         index += 1;
 690                         lenhi = vpd[index];
 691                         index += 1;
 692                         i = ((((unsigned short)lenhi) << 8) + lenlo);
 693                         index += i;
 694                         break;
 695                 case 0x90:
 696                         index += 1;
 697                         lenlo = vpd[index];
 698                         index += 1;
 699                         lenhi = vpd[index];
 700                         index += 1;
 701                         Length = ((((unsigned short)lenhi) << 8) + lenlo);
 702                         if (Length > len - index)
 703                                 Length = len - index;
 704                         while (Length > 0) {
 705                         /* Look for Serial Number */
 706                         if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
 707                                 index += 2;
 708                                 i = vpd[index];
 709                                 index += 1;
 710                                 j = 0;
 711                                 Length -= (3+i);
 712                                 while(i--) {
 713                                         phba->SerialNumber[j++] = vpd[index++];
 714                                         if (j == 31)
 715                                                 break;
 716                                 }
 717                                 phba->SerialNumber[j] = 0;
 718                                 continue;
 719                         }
 720                         else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
 721                                 phba->vpd_flag |= VPD_MODEL_DESC;
 722                                 index += 2;
 723                                 i = vpd[index];
 724                                 index += 1;
 725                                 j = 0;
 726                                 Length -= (3+i);
 727                                 while(i--) {
 728                                         phba->ModelDesc[j++] = vpd[index++];
 729                                         if (j == 255)
 730                                                 break;
 731                                 }
 732                                 phba->ModelDesc[j] = 0;
 733                                 continue;
 734                         }
 735                         else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
 736                                 phba->vpd_flag |= VPD_MODEL_NAME;
 737                                 index += 2;
 738                                 i = vpd[index];
 739                                 index += 1;
 740                                 j = 0;
 741                                 Length -= (3+i);
 742                                 while(i--) {
 743                                         phba->ModelName[j++] = vpd[index++];
 744                                         if (j == 79)
 745                                                 break;
 746                                 }
 747                                 phba->ModelName[j] = 0;
 748                                 continue;
 749                         }
 750                         else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
 751                                 phba->vpd_flag |= VPD_PROGRAM_TYPE;
 752                                 index += 2;
 753                                 i = vpd[index];
 754                                 index += 1;
 755                                 j = 0;
 756                                 Length -= (3+i);
 757                                 while(i--) {
 758                                         phba->ProgramType[j++] = vpd[index++];
 759                                         if (j == 255)
 760                                                 break;
 761                                 }
 762                                 phba->ProgramType[j] = 0;
 763                                 continue;
 764                         }
 765                         else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
 766                                 phba->vpd_flag |= VPD_PORT;
 767                                 index += 2;
 768                                 i = vpd[index];
 769                                 index += 1;
 770                                 j = 0;
 771                                 Length -= (3+i);
 772                                 while(i--) {
 773                                 phba->Port[j++] = vpd[index++];
 774                                 if (j == 19)
 775                                         break;
 776                                 }
 777                                 phba->Port[j] = 0;
 778                                 continue;
 779                         }
 780                         else {
 781                                 index += 2;
 782                                 i = vpd[index];
 783                                 index += 1;
 784                                 index += i;
 785                                 Length -= (3 + i);
 786                         }
 787                 }
 788                 finished = 0;
 789                 break;
 790                 case 0x78:
 791                         finished = 1;
 792                         break;
 793                 default:
 794                         index ++;
 795                         break;
 796                 }
 797         }
 798
 799         return(1);
 800 }
 801
 802 static void
 803 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
 804 {
 805         lpfc_vpd_t *vp;
 806         uint16_t dev_id = phba->pcidev->device;
 807         uint16_t dev_subid = phba->pcidev->subsystem_device;
 808         uint8_t hdrtype;
 809         int max_speed;
 810         char * ports;
 811         struct {
 812                 char * name;
 813                 int    max_speed;
 814                 char * ports;
 815                 char * bus;
 816         } m = {"<Unknown>", 0, "", ""};
 817
 818         pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype);
 819         ports = (hdrtype == 0x80) ? "2-port " : "";
 820         if (mdp && mdp[0] != '\0'
 821                 && descp && descp[0] != '\0')
 822                 return;
 823
 824         if (phba->lmt & LMT_10Gb)
 825                 max_speed = 10;
 826         else if (phba->lmt & LMT_8Gb)
 827                 max_speed = 8;
 828         else if (phba->lmt & LMT_4Gb)
 829                 max_speed = 4;
 830         else if (phba->lmt & LMT_2Gb)
 831                 max_speed = 2;
 832         else
 833                 max_speed = 1;
 834
 835         vp = &phba->vpd;
 836
 837         switch (dev_id) {
 838         case PCI_DEVICE_ID_FIREFLY:
 839                 m = (typeof(m)){"LP6000", max_speed, "", "PCI"};
 840                 break;
 841         case PCI_DEVICE_ID_SUPERFLY:
 842                 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
 843                         m = (typeof(m)){"LP7000", max_speed, "", "PCI"};
 844                 else
 845                         m = (typeof(m)){"LP7000E", max_speed, "", "PCI"};
 846                 break;
 847         case PCI_DEVICE_ID_DRAGONFLY:
 848                 m = (typeof(m)){"LP8000", max_speed, "", "PCI"};
 849                 break;
 850         case PCI_DEVICE_ID_CENTAUR:
 851                 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
 852                         m = (typeof(m)){"LP9002", max_speed, "", "PCI"};
 853                 else
 854                         m = (typeof(m)){"LP9000", max_speed, "", "PCI"};
 855                 break;
 856         case PCI_DEVICE_ID_RFLY:
 857                 m = (typeof(m)){"LP952", max_speed, "", "PCI"};
 858                 break;
 859         case PCI_DEVICE_ID_PEGASUS:
 860                 m = (typeof(m)){"LP9802", max_speed, "", "PCI-X"};
 861                 break;
 862         case PCI_DEVICE_ID_THOR:
 863                 if (hdrtype == 0x80)
 864                         m = (typeof(m)){"LP10000DC",
 865                                         max_speed, ports, "PCI-X"};
 866                 else
 867                         m = (typeof(m)){"LP10000",
 868                                         max_speed, ports, "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                 if (hdrtype == 0x80)
 878                         m = (typeof(m)){"LP1050DC", max_speed, ports, "PCI-X"};
 879                 else
 880                         m = (typeof(m)){"LP1050", max_speed, ports, "PCI-X"};
 881                 break;
 882         case PCI_DEVICE_ID_HELIOS:
 883                 if (hdrtype == 0x80)
 884                         m = (typeof(m)){"LP11002", max_speed, ports, "PCI-X2"};
 885                 else
 886                         m = (typeof(m)){"LP11000", max_speed, ports, "PCI-X2"};
 887                 break;
 888         case PCI_DEVICE_ID_HELIOS_SCSP:
 889                 m = (typeof(m)){"LP11000-SP", max_speed, ports, "PCI-X2"};
 890                 break;
 891         case PCI_DEVICE_ID_HELIOS_DCSP:
 892                 m = (typeof(m)){"LP11002-SP", max_speed, ports, "PCI-X2"};
 893                 break;
 894         case PCI_DEVICE_ID_NEPTUNE:
 895                 if (hdrtype == 0x80)
 896                         m = (typeof(m)){"LPe1002", max_speed, ports, "PCIe"};
 897                 else
 898                         m = (typeof(m)){"LPe1000", max_speed, ports, "PCIe"};
 899                 break;
 900         case PCI_DEVICE_ID_NEPTUNE_SCSP:
 901                 m = (typeof(m)){"LPe1000-SP", max_speed, ports, "PCIe"};
 902                 break;
 903         case PCI_DEVICE_ID_NEPTUNE_DCSP:
 904                 m = (typeof(m)){"LPe1002-SP", max_speed, ports, "PCIe"};
 905                 break;
 906         case PCI_DEVICE_ID_BMID:
 907                 m = (typeof(m)){"LP1150", max_speed, ports, "PCI-X2"};
 908                 break;
 909         case PCI_DEVICE_ID_BSMB:
 910                 m = (typeof(m)){"LP111", max_speed, ports, "PCI-X2"};
 911                 break;
 912         case PCI_DEVICE_ID_ZEPHYR:
 913                 if (hdrtype == 0x80)
 914                         m = (typeof(m)){"LPe11002", max_speed, ports, "PCIe"};
 915                 else
 916                         m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
 917                 break;
 918         case PCI_DEVICE_ID_ZEPHYR_SCSP:
 919                 m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
 920                 break;
 921         case PCI_DEVICE_ID_ZEPHYR_DCSP:
 922                 m = (typeof(m)){"LPe11002-SP", max_speed, ports, "PCIe"};
 923                 break;
 924         case PCI_DEVICE_ID_ZMID:
 925                 m = (typeof(m)){"LPe1150", max_speed, ports, "PCIe"};
 926                 break;
 927         case PCI_DEVICE_ID_ZSMB:
 928                 m = (typeof(m)){"LPe111", max_speed, ports, "PCIe"};
 929                 break;
 930         case PCI_DEVICE_ID_LP101:
 931                 m = (typeof(m)){"LP101", max_speed, ports, "PCI-X"};
 932                 break;
 933         case PCI_DEVICE_ID_LP10000S:
 934                 m = (typeof(m)){"LP10000-S", max_speed, ports, "PCI"};
 935                 break;
 936         case PCI_DEVICE_ID_LP11000S:
 937         case PCI_DEVICE_ID_LPE11000S:
 938                 switch (dev_subid) {
 939                 case PCI_SUBSYSTEM_ID_LP11000S:
 940                         m = (typeof(m)){"LP11000-S", max_speed,
 941                                         ports, "PCI-X2"};
 942                         break;
 943                 case PCI_SUBSYSTEM_ID_LP11002S:
 944                         m = (typeof(m)){"LP11002-S", max_speed,
 945                                         ports, "PCI-X2"};
 946                         break;
 947                 case PCI_SUBSYSTEM_ID_LPE11000S:
 948                         m = (typeof(m)){"LPe11000-S", max_speed,
 949                                         ports, "PCIe"};
 950                         break;
 951                 case PCI_SUBSYSTEM_ID_LPE11002S:
 952                         m = (typeof(m)){"LPe11002-S", max_speed,
 953                                         ports, "PCIe"};
 954                         break;
 955                 case PCI_SUBSYSTEM_ID_LPE11010S:
 956                         m = (typeof(m)){"LPe11010-S", max_speed,
 957                                         "10-port ", "PCIe"};
 958                         break;
 959                 default:
 960                         m = (typeof(m)){ NULL };
 961                         break;
 962                 }
 963                 break;
 964         default:
 965                 m = (typeof(m)){ NULL };
 966                 break;
 967         }
 968
 969         if (mdp && mdp[0] == '\0')
 970                 snprintf(mdp, 79,"%s", m.name);
 971         if (descp && descp[0] == '\0')
 972                 snprintf(descp, 255,
 973                          "Emulex %s %dGb %s%s Fibre Channel Adapter",
 974                          m.name, m.max_speed, m.ports, m.bus);
 975 }
 976
 977 /**************************************************/
 978 /*   lpfc_post_buffer                             */
 979 /*                                                */
 980 /*   This routine will post count buffers to the  */
 981 /*   ring with the QUE_RING_BUF_CN command. This  */
 982 /*   allows 3 buffers / command to be posted.     */
 983 /*   Returns the number of buffers NOT posted.    */
 984 /**************************************************/
 985 int
 986 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
 987                  int type)
 988 {
 989         IOCB_t *icmd;
 990         struct lpfc_iocbq *iocb;
 991         struct lpfc_dmabuf *mp1, *mp2;
 992
 993         cnt += pring->missbufcnt;
 994
 995         /* While there are buffers to post */
 996         while (cnt > 0) {
 997                 /* Allocate buffer for  command iocb */
 998                 spin_lock_irq(phba->host->host_lock);
 999                 iocb = lpfc_sli_get_iocbq(phba);
1000                 spin_unlock_irq(phba->host->host_lock);
1001                 if (iocb == NULL) {
1002                         pring->missbufcnt = cnt;
1003                         return cnt;
1004                 }
1005                 icmd = &iocb->iocb;
1006
1007                 /* 2 buffers can be posted per command */
1008                 /* Allocate buffer to post */
1009                 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1010                 if (mp1)
1011                     mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1012                                                 &mp1->phys);
1013                 if (mp1 == 0 || mp1->virt == 0) {
1014                         kfree(mp1);
1015                         spin_lock_irq(phba->host->host_lock);
1016                         lpfc_sli_release_iocbq(phba, iocb);
1017                         spin_unlock_irq(phba->host->host_lock);
1018                         pring->missbufcnt = cnt;
1019                         return cnt;
1020                 }
1021
1022                 INIT_LIST_HEAD(&mp1->list);
1023                 /* Allocate buffer to post */
1024                 if (cnt > 1) {
1025                         mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1026                         if (mp2)
1027                                 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1028                                                             &mp2->phys);
1029                         if (mp2 == 0 || mp2->virt == 0) {
1030                                 kfree(mp2);
1031                                 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1032                                 kfree(mp1);
1033                                 spin_lock_irq(phba->host->host_lock);
1034                                 lpfc_sli_release_iocbq(phba, iocb);
1035                                 spin_unlock_irq(phba->host->host_lock);
1036                                 pring->missbufcnt = cnt;
1037                                 return cnt;
1038                         }
1039
1040                         INIT_LIST_HEAD(&mp2->list);
1041                 } else {
1042                         mp2 = NULL;
1043                 }
1044
1045                 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1046                 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1047                 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1048                 icmd->ulpBdeCount = 1;
1049                 cnt--;
1050                 if (mp2) {
1051                         icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1052                         icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1053                         icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1054                         cnt--;
1055                         icmd->ulpBdeCount = 2;
1056                 }
1057
1058                 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1059                 icmd->ulpLe = 1;
1060
1061                 spin_lock_irq(phba->host->host_lock);
1062                 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1063                         lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1064                         kfree(mp1);
1065                         cnt++;
1066                         if (mp2) {
1067                                 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1068                                 kfree(mp2);
1069                                 cnt++;
1070                         }
1071                         lpfc_sli_release_iocbq(phba, iocb);
1072                         pring->missbufcnt = cnt;
1073                         spin_unlock_irq(phba->host->host_lock);
1074                         return cnt;
1075                 }
1076                 spin_unlock_irq(phba->host->host_lock);
1077                 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1078                 if (mp2) {
1079                         lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1080                 }
1081         }
1082         pring->missbufcnt = 0;
1083         return 0;
1084 }
1085
1086 /************************************************************************/
1087 /*                                                                      */
1088 /*   lpfc_post_rcv_buf                                                  */
1089 /*   This routine post initial rcv buffers to the configured rings      */
1090 /*                                                                      */
1091 /************************************************************************/
1092 static int
1093 lpfc_post_rcv_buf(struct lpfc_hba * phba)
1094 {
1095         struct lpfc_sli *psli = &phba->sli;
1096
1097         /* Ring 0, ELS / CT buffers */
1098         lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1099         /* Ring 2 - FCP no buffers needed */
1100
1101         return 0;
1102 }
1103
1104 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1105
1106 /************************************************************************/
1107 /*                                                                      */
1108 /*   lpfc_sha_init                                                      */
1109 /*                                                                      */
1110 /************************************************************************/
1111 static void
1112 lpfc_sha_init(uint32_t * HashResultPointer)
1113 {
1114         HashResultPointer[0] = 0x67452301;
1115         HashResultPointer[1] = 0xEFCDAB89;
1116         HashResultPointer[2] = 0x98BADCFE;
1117         HashResultPointer[3] = 0x10325476;
1118         HashResultPointer[4] = 0xC3D2E1F0;
1119 }
1120
1121 /************************************************************************/
1122 /*                                                                      */
1123 /*   lpfc_sha_iterate                                                   */
1124 /*                                                                      */
1125 /************************************************************************/
1126 static void
1127 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1128 {
1129         int t;
1130         uint32_t TEMP;
1131         uint32_t A, B, C, D, E;
1132         t = 16;
1133         do {
1134                 HashWorkingPointer[t] =
1135                     S(1,
1136                       HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1137                                                                      8] ^
1138                       HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1139         } while (++t <= 79);
1140         t = 0;
1141         A = HashResultPointer[0];
1142         B = HashResultPointer[1];
1143         C = HashResultPointer[2];
1144         D = HashResultPointer[3];
1145         E = HashResultPointer[4];
1146
1147         do {
1148                 if (t < 20) {
1149                         TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1150                 } else if (t < 40) {
1151                         TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1152                 } else if (t < 60) {
1153                         TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1154                 } else {
1155                         TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1156                 }
1157                 TEMP += S(5, A) + E + HashWorkingPointer[t];
1158                 E = D;
1159                 D = C;
1160                 C = S(30, B);
1161                 B = A;
1162                 A = TEMP;
1163         } while (++t <= 79);
1164
1165         HashResultPointer[0] += A;
1166         HashResultPointer[1] += B;
1167         HashResultPointer[2] += C;
1168         HashResultPointer[3] += D;
1169         HashResultPointer[4] += E;
1170
1171 }
1172
1173 /************************************************************************/
1174 /*                                                                      */
1175 /*   lpfc_challenge_key                                                 */
1176 /*                                                                      */
1177 /************************************************************************/
1178 static void
1179 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1180 {
1181         *HashWorking = (*RandomChallenge ^ *HashWorking);
1182 }
1183
1184 /************************************************************************/
1185 /*                                                                      */
1186 /*   lpfc_hba_init                                                      */
1187 /*                                                                      */
1188 /************************************************************************/
1189 void
1190 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1191 {
1192         int t;
1193         uint32_t *HashWorking;
1194         uint32_t *pwwnn = phba->wwnn;
1195
1196         HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1197         if (!HashWorking)
1198                 return;
1199
1200         memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1201         HashWorking[0] = HashWorking[78] = *pwwnn++;
1202         HashWorking[1] = HashWorking[79] = *pwwnn;
1203
1204         for (t = 0; t < 7; t++)
1205                 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1206
1207         lpfc_sha_init(hbainit);
1208         lpfc_sha_iterate(hbainit, HashWorking);
1209         kfree(HashWorking);
1210 }
1211
1212 static void
1213 lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind)
1214 {
1215         struct lpfc_nodelist *ndlp, *next_ndlp;
1216
1217         /* clean up phba - lpfc specific */
1218         lpfc_can_disctmo(phba);
1219         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
1220                                 nlp_listp) {
1221                 lpfc_nlp_remove(phba, ndlp);
1222         }
1223
1224         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1225                                  nlp_listp) {
1226                 lpfc_nlp_remove(phba, ndlp);
1227         }
1228
1229         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
1230                                 nlp_listp) {
1231                 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1232         }
1233
1234         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1235                                 nlp_listp) {
1236                 lpfc_nlp_remove(phba, ndlp);
1237         }
1238
1239         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1240                                 nlp_listp) {
1241                 lpfc_nlp_remove(phba, ndlp);
1242         }
1243
1244         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
1245                                 nlp_listp) {
1246                 lpfc_nlp_remove(phba, ndlp);
1247         }
1248
1249         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1250                                 nlp_listp) {
1251                 lpfc_nlp_remove(phba, ndlp);
1252         }
1253
1254         list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1255                                 nlp_listp) {
1256                 lpfc_nlp_remove(phba, ndlp);
1257         }
1258
1259         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1260         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1261         INIT_LIST_HEAD(&phba->fc_unused_list);
1262         INIT_LIST_HEAD(&phba->fc_plogi_list);
1263         INIT_LIST_HEAD(&phba->fc_adisc_list);
1264         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1265         INIT_LIST_HEAD(&phba->fc_prli_list);
1266         INIT_LIST_HEAD(&phba->fc_npr_list);
1267
1268         phba->fc_map_cnt   = 0;
1269         phba->fc_unmap_cnt = 0;
1270         phba->fc_plogi_cnt = 0;
1271         phba->fc_adisc_cnt = 0;
1272         phba->fc_reglogin_cnt = 0;
1273         phba->fc_prli_cnt  = 0;
1274         phba->fc_npr_cnt   = 0;
1275         phba->fc_unused_cnt= 0;
1276         return;
1277 }
1278
1279 static void
1280 lpfc_establish_link_tmo(unsigned long ptr)
1281 {
1282         struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1283         unsigned long iflag;
1284
1285
1286         /* Re-establishing Link, timer expired */
1287         lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1288                         "%d:1300 Re-establishing Link, timer expired "
1289                         "Data: x%x x%x\n",
1290                         phba->brd_no, phba->fc_flag, phba->hba_state);
1291         spin_lock_irqsave(phba->host->host_lock, iflag);
1292         phba->fc_flag &= ~FC_ESTABLISH_LINK;
1293         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1294 }
1295
1296 static int
1297 lpfc_stop_timer(struct lpfc_hba * phba)
1298 {
1299         struct lpfc_sli *psli = &phba->sli;
1300
1301         /* Instead of a timer, this has been converted to a
1302          * deferred procedding list.
1303          */
1304         while (!list_empty(&phba->freebufList)) {
1305
1306                 struct lpfc_dmabuf *mp = NULL;
1307
1308                 list_remove_head((&phba->freebufList), mp,
1309                                  struct lpfc_dmabuf, list);
1310                 if (mp) {
1311                         lpfc_mbuf_free(phba, mp->virt, mp->phys);
1312                         kfree(mp);
1313                 }
1314         }
1315
1316         del_timer_sync(&phba->fcp_poll_timer);
1317         del_timer_sync(&phba->fc_estabtmo);
1318         del_timer_sync(&phba->fc_disctmo);
1319         del_timer_sync(&phba->fc_fdmitmo);
1320         del_timer_sync(&phba->els_tmofunc);
1321         psli = &phba->sli;
1322         del_timer_sync(&psli->mbox_tmo);
1323         return(1);
1324 }
1325
1326 int
1327 lpfc_online(struct lpfc_hba * phba)
1328 {
1329         if (!phba)
1330                 return 0;
1331
1332         if (!(phba->fc_flag & FC_OFFLINE_MODE))
1333                 return 0;
1334
1335         lpfc_printf_log(phba,
1336                        KERN_WARNING,
1337                        LOG_INIT,
1338                        "%d:0458 Bring Adapter online\n",
1339                        phba->brd_no);
1340
1341         if (!lpfc_sli_queue_setup(phba))
1342                 return 1;
1343
1344         if (lpfc_sli_hba_setup(phba))   /* Initialize the HBA */
1345                 return 1;
1346
1347         spin_lock_irq(phba->host->host_lock);
1348         phba->fc_flag &= ~FC_OFFLINE_MODE;
1349         spin_unlock_irq(phba->host->host_lock);
1350
1351         return 0;
1352 }
1353
1354 int
1355 lpfc_offline(struct lpfc_hba * phba)
1356 {
1357         struct lpfc_sli_ring *pring;
1358         struct lpfc_sli *psli;
1359         unsigned long iflag;
1360         int i;
1361         int cnt = 0;
1362
1363         if (!phba)
1364                 return 0;
1365
1366         if (phba->fc_flag & FC_OFFLINE_MODE)
1367                 return 0;
1368
1369         psli = &phba->sli;
1370
1371         lpfc_linkdown(phba);
1372         lpfc_sli_flush_mbox_queue(phba);
1373
1374         for (i = 0; i < psli->num_rings; i++) {
1375                 pring = &psli->ring[i];
1376                 /* The linkdown event takes 30 seconds to timeout. */
1377                 while (pring->txcmplq_cnt) {
1378                         mdelay(10);
1379                         if (cnt++ > 3000) {
1380                                 lpfc_printf_log(phba,
1381                                         KERN_WARNING, LOG_INIT,
1382                                         "%d:0466 Outstanding IO when "
1383                                         "bringing Adapter offline\n",
1384                                         phba->brd_no);
1385                                 break;
1386                         }
1387                 }
1388         }
1389
1390
1391         /* stop all timers associated with this hba */
1392         lpfc_stop_timer(phba);
1393         phba->work_hba_events = 0;
1394         phba->work_ha = 0;
1395
1396         lpfc_printf_log(phba,
1397                        KERN_WARNING,
1398                        LOG_INIT,
1399                        "%d:0460 Bring Adapter offline\n",
1400                        phba->brd_no);
1401
1402         /* Bring down the SLI Layer and cleanup.  The HBA is offline
1403            now.  */
1404         lpfc_sli_hba_down(phba);
1405         lpfc_cleanup(phba, 1);
1406         spin_lock_irqsave(phba->host->host_lock, iflag);
1407         phba->fc_flag |= FC_OFFLINE_MODE;
1408         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1409         return 0;
1410 }
1411
1412 /******************************************************************************
1413 * Function name: lpfc_scsi_free
1414 *
1415 * Description: Called from lpfc_pci_remove_one free internal driver resources
1416 *
1417 ******************************************************************************/
1418 static int
1419 lpfc_scsi_free(struct lpfc_hba * phba)
1420 {
1421         struct lpfc_scsi_buf *sb, *sb_next;
1422         struct lpfc_iocbq *io, *io_next;
1423
1424         spin_lock_irq(phba->host->host_lock);
1425         /* Release all the lpfc_scsi_bufs maintained by this host. */
1426         list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1427                 list_del(&sb->list);
1428                 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1429                                                                 sb->dma_handle);
1430                 kfree(sb);
1431                 phba->total_scsi_bufs--;
1432         }
1433
1434         /* Release all the lpfc_iocbq entries maintained by this host. */
1435         list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1436                 list_del(&io->list);
1437                 kfree(io);
1438                 phba->total_iocbq_bufs--;
1439         }
1440
1441         spin_unlock_irq(phba->host->host_lock);
1442
1443         return 0;
1444 }
1445
1446
1447 static int __devinit
1448 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1449 {
1450         struct Scsi_Host *host;
1451         struct lpfc_hba  *phba;
1452         struct lpfc_sli  *psli;
1453         struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1454         unsigned long bar0map_len, bar2map_len;
1455         int error = -ENODEV, retval;
1456         int i;
1457         uint16_t iotag;
1458
1459         if (pci_enable_device(pdev))
1460                 goto out;
1461         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1462                 goto out_disable_device;
1463
1464         host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
1465         if (!host)
1466                 goto out_release_regions;
1467
1468         phba = (struct lpfc_hba*)host->hostdata;
1469         memset(phba, 0, sizeof (struct lpfc_hba));
1470         phba->host = host;
1471
1472         phba->fc_flag |= FC_LOADING;
1473         phba->pcidev = pdev;
1474
1475         /* Assign an unused board number */
1476         if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1477                 goto out_put_host;
1478
1479         error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
1480         if (error)
1481                 goto out_put_host;
1482
1483         host->unique_id = phba->brd_no;
1484         INIT_LIST_HEAD(&phba->ctrspbuflist);
1485         INIT_LIST_HEAD(&phba->rnidrspbuflist);
1486         INIT_LIST_HEAD(&phba->freebufList);
1487
1488         /* Initialize timers used by driver */
1489         init_timer(&phba->fc_estabtmo);
1490         phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1491         phba->fc_estabtmo.data = (unsigned long)phba;
1492         init_timer(&phba->fc_disctmo);
1493         phba->fc_disctmo.function = lpfc_disc_timeout;
1494         phba->fc_disctmo.data = (unsigned long)phba;
1495
1496         init_timer(&phba->fc_fdmitmo);
1497         phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
1498         phba->fc_fdmitmo.data = (unsigned long)phba;
1499         init_timer(&phba->els_tmofunc);
1500         phba->els_tmofunc.function = lpfc_els_timeout;
1501         phba->els_tmofunc.data = (unsigned long)phba;
1502         psli = &phba->sli;
1503         init_timer(&psli->mbox_tmo);
1504         psli->mbox_tmo.function = lpfc_mbox_timeout;
1505         psli->mbox_tmo.data = (unsigned long)phba;
1506
1507         init_timer(&phba->fcp_poll_timer);
1508         phba->fcp_poll_timer.function = lpfc_poll_timeout;
1509         phba->fcp_poll_timer.data = (unsigned long)phba;
1510
1511         /*
1512          * Get all the module params for configuring this host and then
1513          * establish the host parameters.
1514          */
1515         lpfc_get_cfgparam(phba);
1516
1517         host->max_id = LPFC_MAX_TARGET;
1518         host->max_lun = phba->cfg_max_luns;
1519         host->this_id = -1;
1520
1521         /* Initialize all internally managed lists. */
1522         INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1523         INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1524         INIT_LIST_HEAD(&phba->fc_unused_list);
1525         INIT_LIST_HEAD(&phba->fc_plogi_list);
1526         INIT_LIST_HEAD(&phba->fc_adisc_list);
1527         INIT_LIST_HEAD(&phba->fc_reglogin_list);
1528         INIT_LIST_HEAD(&phba->fc_prli_list);
1529         INIT_LIST_HEAD(&phba->fc_npr_list);
1530
1531
1532         pci_set_master(pdev);
1533         retval = pci_set_mwi(pdev);
1534         if (retval)
1535                 dev_printk(KERN_WARNING, &pdev->dev,
1536                            "Warning: pci_set_mwi returned %d\n", retval);
1537
1538         if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1539                 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1540                         goto out_idr_remove;
1541
1542         /*
1543          * Get the bus address of Bar0 and Bar2 and the number of bytes
1544          * required by each mapping.
1545          */
1546         phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1547         bar0map_len        = pci_resource_len(phba->pcidev, 0);
1548
1549         phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1550         bar2map_len        = pci_resource_len(phba->pcidev, 2);
1551
1552         /* Map HBA SLIM to a kernel virtual address. */
1553         phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1554         if (!phba->slim_memmap_p) {
1555                 error = -ENODEV;
1556                 dev_printk(KERN_ERR, &pdev->dev,
1557                            "ioremap failed for SLIM memory.\n");
1558                 goto out_idr_remove;
1559         }
1560
1561         /* Map HBA Control Registers to a kernel virtual address. */
1562         phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1563         if (!phba->ctrl_regs_memmap_p) {
1564                 error = -ENODEV;
1565                 dev_printk(KERN_ERR, &pdev->dev,
1566                            "ioremap failed for HBA control registers.\n");
1567                 goto out_iounmap_slim;
1568         }
1569
1570         /* Allocate memory for SLI-2 structures */
1571         phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1572                                           &phba->slim2p_mapping, GFP_KERNEL);
1573         if (!phba->slim2p)
1574                 goto out_iounmap;
1575
1576         memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1577
1578         /* Initialize the SLI Layer to run with lpfc HBAs. */
1579         lpfc_sli_setup(phba);
1580         lpfc_sli_queue_setup(phba);
1581
1582         error = lpfc_mem_alloc(phba);
1583         if (error)
1584                 goto out_free_slim;
1585
1586         /* Initialize and populate the iocb list per host.  */
1587         INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1588         for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1589                 iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1590                 if (iocbq_entry == NULL) {
1591                         printk(KERN_ERR "%s: only allocated %d iocbs of "
1592                                 "expected %d count. Unloading driver.\n",
1593                                 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1594                         error = -ENOMEM;
1595                         goto out_free_iocbq;
1596                 }
1597
1598                 memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
1599                 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1600                 if (iotag == 0) {
1601                         kfree (iocbq_entry);
1602                         printk(KERN_ERR "%s: failed to allocate IOTAG. "
1603                                "Unloading driver.\n",
1604                                 __FUNCTION__);
1605                         error = -ENOMEM;
1606                         goto out_free_iocbq;
1607                 }
1608                 spin_lock_irq(phba->host->host_lock);
1609                 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1610                 phba->total_iocbq_bufs++;
1611                 spin_unlock_irq(phba->host->host_lock);
1612         }
1613
1614         /* Initialize HBA structure */
1615         phba->fc_edtov = FF_DEF_EDTOV;
1616         phba->fc_ratov = FF_DEF_RATOV;
1617         phba->fc_altov = FF_DEF_ALTOV;
1618         phba->fc_arbtov = FF_DEF_ARBTOV;
1619
1620         INIT_LIST_HEAD(&phba->work_list);
1621         phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1622         phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1623
1624         /* Startup the kernel thread for this host adapter. */
1625         phba->worker_thread = kthread_run(lpfc_do_work, phba,
1626                                        "lpfc_worker_%d", phba->brd_no);
1627         if (IS_ERR(phba->worker_thread)) {
1628                 error = PTR_ERR(phba->worker_thread);
1629                 goto out_free_iocbq;
1630         }
1631
1632         /*
1633          * Set initial can_queue value since 0 is no longer supported and
1634          * scsi_add_host will fail. This will be adjusted later based on the
1635          * max xri value determined in hba setup.
1636          */
1637         host->can_queue = phba->cfg_hba_queue_depth - 10;
1638
1639         /* Tell the midlayer we support 16 byte commands */
1640         host->max_cmd_len = 16;
1641
1642         /* Initialize the list of scsi buffers used by driver for scsi IO. */
1643         spin_lock_init(&phba->scsi_buf_list_lock);
1644         INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1645
1646         host->transportt = lpfc_transport_template;
1647         pci_set_drvdata(pdev, host);
1648         error = scsi_add_host(host, &pdev->dev);
1649         if (error)
1650                 goto out_kthread_stop;
1651
1652         error = lpfc_alloc_sysfs_attr(phba);
1653         if (error)
1654                 goto out_remove_host;
1655
1656         error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
1657                                                         LPFC_DRIVER_NAME, phba);
1658         if (error) {
1659                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1660                         "%d:0451 Enable interrupt handler failed\n",
1661                         phba->brd_no);
1662                 goto out_free_sysfs_attr;
1663         }
1664         phba->MBslimaddr = phba->slim_memmap_p;
1665         phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1666         phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1667         phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1668         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1669
1670         error = lpfc_sli_hba_setup(phba);
1671         if (error) {
1672                 error = -ENODEV;
1673                 goto out_free_irq;
1674         }
1675
1676         /*
1677          * hba setup may have changed the hba_queue_depth so we need to adjust
1678          * the value of can_queue.
1679          */
1680         host->can_queue = phba->cfg_hba_queue_depth - 10;
1681
1682         lpfc_discovery_wait(phba);
1683
1684         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1685                 spin_lock_irq(phba->host->host_lock);
1686                 lpfc_poll_start_timer(phba);
1687                 spin_unlock_irq(phba->host->host_lock);
1688         }
1689
1690         /*
1691          * set fixed host attributes
1692          * Must done after lpfc_sli_hba_setup()
1693          */
1694
1695         fc_host_node_name(host) = wwn_to_u64(phba->fc_nodename.u.wwn);
1696         fc_host_port_name(host) = wwn_to_u64(phba->fc_portname.u.wwn);
1697         fc_host_supported_classes(host) = FC_COS_CLASS3;
1698
1699         memset(fc_host_supported_fc4s(host), 0,
1700                 sizeof(fc_host_supported_fc4s(host)));
1701         fc_host_supported_fc4s(host)[2] = 1;
1702         fc_host_supported_fc4s(host)[7] = 1;
1703
1704         lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host));
1705
1706         fc_host_supported_speeds(host) = 0;
1707         if (phba->lmt & LMT_10Gb)
1708                 fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT;
1709         if (phba->lmt & LMT_4Gb)
1710                 fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT;
1711         if (phba->lmt & LMT_2Gb)
1712                 fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT;
1713         if (phba->lmt & LMT_1Gb)
1714                 fc_host_supported_speeds(host) |= FC_PORTSPEED_1GBIT;
1715
1716         fc_host_maxframe_size(host) =
1717                 ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1718                  (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
1719
1720         /* This value is also unchanging */
1721         memset(fc_host_active_fc4s(host), 0,
1722                 sizeof(fc_host_active_fc4s(host)));
1723         fc_host_active_fc4s(host)[2] = 1;
1724         fc_host_active_fc4s(host)[7] = 1;
1725
1726         spin_lock_irq(phba->host->host_lock);
1727         phba->fc_flag &= ~FC_LOADING;
1728         spin_unlock_irq(phba->host->host_lock);
1729         return 0;
1730
1731 out_free_irq:
1732         lpfc_stop_timer(phba);
1733         phba->work_hba_events = 0;
1734         free_irq(phba->pcidev->irq, phba);
1735 out_free_sysfs_attr:
1736         lpfc_free_sysfs_attr(phba);
1737 out_remove_host:
1738         fc_remove_host(phba->host);
1739         scsi_remove_host(phba->host);
1740 out_kthread_stop:
1741         kthread_stop(phba->worker_thread);
1742 out_free_iocbq:
1743         list_for_each_entry_safe(iocbq_entry, iocbq_next,
1744                                                 &phba->lpfc_iocb_list, list) {
1745                 spin_lock_irq(phba->host->host_lock);
1746                 kfree(iocbq_entry);
1747                 phba->total_iocbq_bufs--;
1748                 spin_unlock_irq(phba->host->host_lock);
1749         }
1750         lpfc_mem_free(phba);
1751 out_free_slim:
1752         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1753                                                         phba->slim2p_mapping);
1754 out_iounmap:
1755         iounmap(phba->ctrl_regs_memmap_p);
1756 out_iounmap_slim:
1757         iounmap(phba->slim_memmap_p);
1758 out_idr_remove:
1759         idr_remove(&lpfc_hba_index, phba->brd_no);
1760 out_put_host:
1761         phba->host = NULL;
1762         scsi_host_put(host);
1763 out_release_regions:
1764         pci_release_regions(pdev);
1765 out_disable_device:
1766         pci_disable_device(pdev);
1767 out:
1768         pci_set_drvdata(pdev, NULL);
1769         return error;
1770 }
1771
1772 static void __devexit
1773 lpfc_pci_remove_one(struct pci_dev *pdev)
1774 {
1775         struct Scsi_Host   *host = pci_get_drvdata(pdev);
1776         struct lpfc_hba    *phba = (struct lpfc_hba *)host->hostdata;
1777         unsigned long iflag;
1778
1779         lpfc_free_sysfs_attr(phba);
1780
1781         spin_lock_irqsave(phba->host->host_lock, iflag);
1782         phba->fc_flag |= FC_UNLOADING;
1783
1784         spin_unlock_irqrestore(phba->host->host_lock, iflag);
1785
1786         fc_remove_host(phba->host);
1787         scsi_remove_host(phba->host);
1788
1789         kthread_stop(phba->worker_thread);
1790
1791         /*
1792          * Bring down the SLI Layer. This step disable all interrupts,
1793          * clears the rings, discards all mailbox commands, and resets
1794          * the HBA.
1795          */
1796         lpfc_sli_hba_down(phba);
1797         lpfc_sli_brdrestart(phba);
1798
1799         /* Release the irq reservation */
1800         free_irq(phba->pcidev->irq, phba);
1801
1802         lpfc_cleanup(phba, 0);
1803         lpfc_stop_timer(phba);
1804         phba->work_hba_events = 0;
1805
1806         /*
1807          * Call scsi_free before mem_free since scsi bufs are released to their
1808          * corresponding pools here.
1809          */
1810         lpfc_scsi_free(phba);
1811         lpfc_mem_free(phba);
1812
1813         /* Free resources associated with SLI2 interface */
1814         dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
1815                           phba->slim2p, phba->slim2p_mapping);
1816
1817         /* unmap adapter SLIM and Control Registers */
1818         iounmap(phba->ctrl_regs_memmap_p);
1819         iounmap(phba->slim_memmap_p);
1820
1821         pci_release_regions(phba->pcidev);
1822         pci_disable_device(phba->pcidev);
1823
1824         idr_remove(&lpfc_hba_index, phba->brd_no);
1825         scsi_host_put(phba->host);
1826
1827         pci_set_drvdata(pdev, NULL);
1828 }
1829
1830 static struct pci_device_id lpfc_id_table[] = {
1831         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
1832                 PCI_ANY_ID, PCI_ANY_ID, },
1833         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
1834                 PCI_ANY_ID, PCI_ANY_ID, },
1835         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
1836                 PCI_ANY_ID, PCI_ANY_ID, },
1837         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
1838                 PCI_ANY_ID, PCI_ANY_ID, },
1839         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
1840                 PCI_ANY_ID, PCI_ANY_ID, },
1841         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
1842                 PCI_ANY_ID, PCI_ANY_ID, },
1843         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
1844                 PCI_ANY_ID, PCI_ANY_ID, },
1845         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
1846                 PCI_ANY_ID, PCI_ANY_ID, },
1847         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
1848                 PCI_ANY_ID, PCI_ANY_ID, },
1849         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
1850                 PCI_ANY_ID, PCI_ANY_ID, },
1851         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
1852                 PCI_ANY_ID, PCI_ANY_ID, },
1853         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
1854                 PCI_ANY_ID, PCI_ANY_ID, },
1855         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
1856                 PCI_ANY_ID, PCI_ANY_ID, },
1857         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
1858                 PCI_ANY_ID, PCI_ANY_ID, },
1859         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
1860                 PCI_ANY_ID, PCI_ANY_ID, },
1861         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
1862                 PCI_ANY_ID, PCI_ANY_ID, },
1863         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
1864                 PCI_ANY_ID, PCI_ANY_ID, },
1865         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
1866                 PCI_ANY_ID, PCI_ANY_ID, },
1867         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
1868                 PCI_ANY_ID, PCI_ANY_ID, },
1869         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
1870                 PCI_ANY_ID, PCI_ANY_ID, },
1871         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
1872                 PCI_ANY_ID, PCI_ANY_ID, },
1873         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
1874                 PCI_ANY_ID, PCI_ANY_ID, },
1875         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
1876                 PCI_ANY_ID, PCI_ANY_ID, },
1877         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
1878                 PCI_ANY_ID, PCI_ANY_ID, },
1879         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
1880                 PCI_ANY_ID, PCI_ANY_ID, },
1881         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
1882                 PCI_ANY_ID, PCI_ANY_ID, },
1883         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
1884                 PCI_ANY_ID, PCI_ANY_ID, },
1885         { 0 }
1886 };
1887
1888 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
1889
1890 static struct pci_driver lpfc_driver = {
1891         .name           = LPFC_DRIVER_NAME,
1892         .id_table       = lpfc_id_table,
1893         .probe          = lpfc_pci_probe_one,
1894         .remove         = __devexit_p(lpfc_pci_remove_one),
1895 };
1896
1897 static int __init
1898 lpfc_init(void)
1899 {
1900         int error = 0;
1901
1902         printk(LPFC_MODULE_DESC "\n");
1903         printk(LPFC_COPYRIGHT "\n");
1904
1905         lpfc_transport_template =
1906                                 fc_attach_transport(&lpfc_transport_functions);
1907         if (!lpfc_transport_template)
1908                 return -ENOMEM;
1909         error = pci_register_driver(&lpfc_driver);
1910         if (error)
1911                 fc_release_transport(lpfc_transport_template);
1912
1913         return error;
1914 }
1915
1916 static void __exit
1917 lpfc_exit(void)
1918 {
1919         pci_unregister_driver(&lpfc_driver);
1920         fc_release_transport(lpfc_transport_template);
1921 }
1922
1923 module_init(lpfc_init);
1924 module_exit(lpfc_exit);
1925 MODULE_LICENSE("GPL");
1926 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
1927 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1928 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);