git.oblomov.eu Git - linux-2.6/blob - drivers/scsi/qla2xxx/qla_os.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2005 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8
   9 #include <linux/moduleparam.h>
  10 #include <linux/vmalloc.h>
  11 #include <linux/delay.h>
  12 #include <linux/kthread.h>
  13
  14 #include <scsi/scsi_tcq.h>
  15 #include <scsi/scsicam.h>
  16 #include <scsi/scsi_transport.h>
  17 #include <scsi/scsi_transport_fc.h>
  18
  19 /*
  20  * Driver version
  21  */
  22 char qla2x00_version_str[40];
  23
  24 /*
  25  * SRB allocation cache
  26  */
  27 static struct kmem_cache *srb_cachep;
  28
  29 /*
  30  * Ioctl related information.
  31  */
  32 int num_hosts;
  33 int ql2xlogintimeout = 20;
  34 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
  35 MODULE_PARM_DESC(ql2xlogintimeout,
  36                 "Login timeout value in seconds.");
  37
  38 int qlport_down_retry;
  39 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
  40 MODULE_PARM_DESC(qlport_down_retry,
  41                 "Maximum number of command retries to a port that returns "
  42                 "a PORT-DOWN status.");
  43
  44 int ql2xplogiabsentdevice;
  45 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
  46 MODULE_PARM_DESC(ql2xplogiabsentdevice,
  47                 "Option to enable PLOGI to devices that are not present after "
  48                 "a Fabric scan.  This is needed for several broken switches. "
  49                 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
  50
  51 int ql2xloginretrycount = 0;
  52 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
  53 MODULE_PARM_DESC(ql2xloginretrycount,
  54                 "Specify an alternate value for the NVRAM login retry count.");
  55
  56 int ql2xallocfwdump = 1;
  57 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
  58 MODULE_PARM_DESC(ql2xallocfwdump,
  59                 "Option to enable allocation of memory for a firmware dump "
  60                 "during HBA initialization.  Memory allocation requirements "
  61                 "vary by ISP type.  Default is 1 - allocate memory.");
  62
  63 int ql2xextended_error_logging;
  64 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  65 MODULE_PARM_DESC(ql2xextended_error_logging,
  66                 "Option to enable extended error logging, "
  67                 "Default is 0 - no logging. 1 - log errors.");
  68
  69 static void qla2x00_free_device(scsi_qla_host_t *);
  70
  71 static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
  72
  73 int ql2xfdmienable;
  74 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
  75 MODULE_PARM_DESC(ql2xfdmienable,
  76                 "Enables FDMI registratons "
  77                 "Default is 0 - no FDMI. 1 - perfom FDMI.");
  78
  79 #define MAX_Q_DEPTH    32
  80 static int ql2xmaxqdepth = MAX_Q_DEPTH;
  81 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
  82 MODULE_PARM_DESC(ql2xmaxqdepth,
  83                 "Maximum queue depth to report for target devices.");
  84
  85 int ql2xqfullrampup = 120;
  86 module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
  87 MODULE_PARM_DESC(ql2xqfullrampup,
  88                 "Number of seconds to wait to begin to ramp-up the queue "
  89                 "depth for a device after a queue-full condition has been "
  90                 "detected.  Default is 120 seconds.");
  91
  92 /*
  93  * SCSI host template entry points
  94  */
  95 static int qla2xxx_slave_configure(struct scsi_device * device);
  96 static int qla2xxx_slave_alloc(struct scsi_device *);
  97 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
  98 static void qla2xxx_scan_start(struct Scsi_Host *);
  99 static void qla2xxx_slave_destroy(struct scsi_device *);
 100 static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
 101                 void (*fn)(struct scsi_cmnd *));
 102 static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
 103                 void (*fn)(struct scsi_cmnd *));
 104 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 105 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 106 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 107 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 108 static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
 109
 110 static int qla2x00_change_queue_depth(struct scsi_device *, int);
 111 static int qla2x00_change_queue_type(struct scsi_device *, int);
 112
 113 static struct scsi_host_template qla2x00_driver_template = {
 114         .module                 = THIS_MODULE,
 115         .name                   = QLA2XXX_DRIVER_NAME,
 116         .queuecommand           = qla2x00_queuecommand,
 117
 118         .eh_abort_handler       = qla2xxx_eh_abort,
 119         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 120         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 121         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 122
 123         .slave_configure        = qla2xxx_slave_configure,
 124
 125         .slave_alloc            = qla2xxx_slave_alloc,
 126         .slave_destroy          = qla2xxx_slave_destroy,
 127         .scan_finished          = qla2xxx_scan_finished,
 128         .scan_start             = qla2xxx_scan_start,
 129         .change_queue_depth     = qla2x00_change_queue_depth,
 130         .change_queue_type      = qla2x00_change_queue_type,
 131         .this_id                = -1,
 132         .cmd_per_lun            = 3,
 133         .use_clustering         = ENABLE_CLUSTERING,
 134         .sg_tablesize           = SG_ALL,
 135
 136         /*
 137          * The RISC allows for each command to transfer (2^32-1) bytes of data,
 138          * which equates to 0x800000 sectors.
 139          */
 140         .max_sectors            = 0xFFFF,
 141         .shost_attrs            = qla2x00_host_attrs,
 142 };
 143
 144 struct scsi_host_template qla24xx_driver_template = {
 145         .module                 = THIS_MODULE,
 146         .name                   = QLA2XXX_DRIVER_NAME,
 147         .queuecommand           = qla24xx_queuecommand,
 148
 149         .eh_abort_handler       = qla2xxx_eh_abort,
 150         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 151         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 152         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 153
 154         .slave_configure        = qla2xxx_slave_configure,
 155
 156         .slave_alloc            = qla2xxx_slave_alloc,
 157         .slave_destroy          = qla2xxx_slave_destroy,
 158         .scan_finished          = qla2xxx_scan_finished,
 159         .scan_start             = qla2xxx_scan_start,
 160         .change_queue_depth     = qla2x00_change_queue_depth,
 161         .change_queue_type      = qla2x00_change_queue_type,
 162         .this_id                = -1,
 163         .cmd_per_lun            = 3,
 164         .use_clustering         = ENABLE_CLUSTERING,
 165         .sg_tablesize           = SG_ALL,
 166
 167         .max_sectors            = 0xFFFF,
 168         .shost_attrs            = qla2x00_host_attrs,
 169 };
 170
 171 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 172 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 173
 174 /* TODO Convert to inlines
 175  *
 176  * Timer routines
 177  */
 178
 179 __inline__ void
 180 qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
 181 {
 182         init_timer(&ha->timer);
 183         ha->timer.expires = jiffies + interval * HZ;
 184         ha->timer.data = (unsigned long)ha;
 185         ha->timer.function = (void (*)(unsigned long))func;
 186         add_timer(&ha->timer);
 187         ha->timer_active = 1;
 188 }
 189
 190 static inline void
 191 qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
 192 {
 193         mod_timer(&ha->timer, jiffies + interval * HZ);
 194 }
 195
 196 static __inline__ void
 197 qla2x00_stop_timer(scsi_qla_host_t *ha)
 198 {
 199         del_timer_sync(&ha->timer);
 200         ha->timer_active = 0;
 201 }
 202
 203 static int qla2x00_do_dpc(void *data);
 204
 205 static void qla2x00_rst_aen(scsi_qla_host_t *);
 206
 207 static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
 208 static void qla2x00_mem_free(scsi_qla_host_t *ha);
 209 static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
 210 static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
 211 static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
 212
 213 /* -------------------------------------------------------------------------- */
 214
 215 static char *
 216 qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
 217 {
 218         static char *pci_bus_modes[] = {
 219                 "33", "66", "100", "133",
 220         };
 221         uint16_t pci_bus;
 222
 223         strcpy(str, "PCI");
 224         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 225         if (pci_bus) {
 226                 strcat(str, "-X (");
 227                 strcat(str, pci_bus_modes[pci_bus]);
 228         } else {
 229                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 230                 strcat(str, " (");
 231                 strcat(str, pci_bus_modes[pci_bus]);
 232         }
 233         strcat(str, " MHz)");
 234
 235         return (str);
 236 }
 237
 238 static char *
 239 qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
 240 {
 241         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 242         uint32_t pci_bus;
 243         int pcie_reg;
 244
 245         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 246         if (pcie_reg) {
 247                 char lwstr[6];
 248                 uint16_t pcie_lstat, lspeed, lwidth;
 249
 250                 pcie_reg += 0x12;
 251                 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 252                 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 253                 lwidth = (pcie_lstat &
 254                     (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 255
 256                 strcpy(str, "PCIe (");
 257                 if (lspeed == 1)
 258                         strcat(str, "2.5Gb/s ");
 259                 else if (lspeed == 2)
 260                         strcat(str, "5.0Gb/s ");
 261                 else
 262                         strcat(str, "<unknown> ");
 263                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 264                 strcat(str, lwstr);
 265
 266                 return str;
 267         }
 268
 269         strcpy(str, "PCI");
 270         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 271         if (pci_bus == 0 || pci_bus == 8) {
 272                 strcat(str, " (");
 273                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 274         } else {
 275                 strcat(str, "-X ");
 276                 if (pci_bus & BIT_2)
 277                         strcat(str, "Mode 2");
 278                 else
 279                         strcat(str, "Mode 1");
 280                 strcat(str, " (");
 281                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 282         }
 283         strcat(str, " MHz)");
 284
 285         return str;
 286 }
 287
 288 static char *
 289 qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
 290 {
 291         char un_str[10];
 292
 293         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 294             ha->fw_minor_version,
 295             ha->fw_subminor_version);
 296
 297         if (ha->fw_attributes & BIT_9) {
 298                 strcat(str, "FLX");
 299                 return (str);
 300         }
 301
 302         switch (ha->fw_attributes & 0xFF) {
 303         case 0x7:
 304                 strcat(str, "EF");
 305                 break;
 306         case 0x17:
 307                 strcat(str, "TP");
 308                 break;
 309         case 0x37:
 310                 strcat(str, "IP");
 311                 break;
 312         case 0x77:
 313                 strcat(str, "VI");
 314                 break;
 315         default:
 316                 sprintf(un_str, "(%x)", ha->fw_attributes);
 317                 strcat(str, un_str);
 318                 break;
 319         }
 320         if (ha->fw_attributes & 0x100)
 321                 strcat(str, "X");
 322
 323         return (str);
 324 }
 325
 326 static char *
 327 qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
 328 {
 329         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 330             ha->fw_minor_version,
 331             ha->fw_subminor_version);
 332
 333         if (ha->fw_attributes & BIT_0)
 334                 strcat(str, "[Class 2] ");
 335         if (ha->fw_attributes & BIT_1)
 336                 strcat(str, "[IP] ");
 337         if (ha->fw_attributes & BIT_2)
 338                 strcat(str, "[Multi-ID] ");
 339         if (ha->fw_attributes & BIT_3)
 340                 strcat(str, "[SB-2] ");
 341         if (ha->fw_attributes & BIT_4)
 342                 strcat(str, "[T10 CRC] ");
 343         if (ha->fw_attributes & BIT_5)
 344                 strcat(str, "[VI] ");
 345         if (ha->fw_attributes & BIT_13)
 346                 strcat(str, "[Experimental]");
 347         return str;
 348 }
 349
 350 static inline srb_t *
 351 qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
 352     struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 353 {
 354         srb_t *sp;
 355
 356         sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
 357         if (!sp)
 358                 return sp;
 359
 360         sp->ha = ha;
 361         sp->fcport = fcport;
 362         sp->cmd = cmd;
 363         sp->flags = 0;
 364         CMD_SP(cmd) = (void *)sp;
 365         cmd->scsi_done = done;
 366
 367         return sp;
 368 }
 369
 370 static int
 371 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 372 {
 373         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 374         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 375         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 376         srb_t *sp;
 377         int rval;
 378
 379         if (unlikely(pci_channel_offline(ha->pdev))) {
 380                 cmd->result = DID_REQUEUE << 16;
 381                 goto qc_fail_command;
 382         }
 383
 384         rval = fc_remote_port_chkready(rport);
 385         if (rval) {
 386                 cmd->result = rval;
 387                 goto qc_fail_command;
 388         }
 389
 390         /* Close window on fcport/rport state-transitioning. */
 391         if (!*(fc_port_t **)rport->dd_data) {
 392                 cmd->result = DID_IMM_RETRY << 16;
 393                 goto qc_fail_command;
 394         }
 395
 396         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 397                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 398                     atomic_read(&ha->loop_state) == LOOP_DEAD) {
 399                         cmd->result = DID_NO_CONNECT << 16;
 400                         goto qc_fail_command;
 401                 }
 402                 goto qc_host_busy;
 403         }
 404
 405         spin_unlock_irq(ha->host->host_lock);
 406
 407         sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
 408         if (!sp)
 409                 goto qc_host_busy_lock;
 410
 411         rval = qla2x00_start_scsi(sp);
 412         if (rval != QLA_SUCCESS)
 413                 goto qc_host_busy_free_sp;
 414
 415         spin_lock_irq(ha->host->host_lock);
 416
 417         return 0;
 418
 419 qc_host_busy_free_sp:
 420         qla2x00_sp_free_dma(ha, sp);
 421         mempool_free(sp, ha->srb_mempool);
 422
 423 qc_host_busy_lock:
 424         spin_lock_irq(ha->host->host_lock);
 425
 426 qc_host_busy:
 427         return SCSI_MLQUEUE_HOST_BUSY;
 428
 429 qc_fail_command:
 430         done(cmd);
 431
 432         return 0;
 433 }
 434
 435
 436 static int
 437 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 438 {
 439         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 440         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 441         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 442         srb_t *sp;
 443         int rval;
 444         scsi_qla_host_t *pha = to_qla_parent(ha);
 445
 446         if (unlikely(pci_channel_offline(ha->pdev))) {
 447                 cmd->result = DID_REQUEUE << 16;
 448                 goto qc24_fail_command;
 449         }
 450
 451         rval = fc_remote_port_chkready(rport);
 452         if (rval) {
 453                 cmd->result = rval;
 454                 goto qc24_fail_command;
 455         }
 456
 457         /* Close window on fcport/rport state-transitioning. */
 458         if (!*(fc_port_t **)rport->dd_data) {
 459                 cmd->result = DID_IMM_RETRY << 16;
 460                 goto qc24_fail_command;
 461         }
 462
 463         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 464                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 465                     atomic_read(&pha->loop_state) == LOOP_DEAD) {
 466                         cmd->result = DID_NO_CONNECT << 16;
 467                         goto qc24_fail_command;
 468                 }
 469                 goto qc24_host_busy;
 470         }
 471
 472         spin_unlock_irq(ha->host->host_lock);
 473
 474         sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
 475         if (!sp)
 476                 goto qc24_host_busy_lock;
 477
 478         rval = qla24xx_start_scsi(sp);
 479         if (rval != QLA_SUCCESS)
 480                 goto qc24_host_busy_free_sp;
 481
 482         spin_lock_irq(ha->host->host_lock);
 483
 484         return 0;
 485
 486 qc24_host_busy_free_sp:
 487         qla2x00_sp_free_dma(pha, sp);
 488         mempool_free(sp, pha->srb_mempool);
 489
 490 qc24_host_busy_lock:
 491         spin_lock_irq(ha->host->host_lock);
 492
 493 qc24_host_busy:
 494         return SCSI_MLQUEUE_HOST_BUSY;
 495
 496 qc24_fail_command:
 497         done(cmd);
 498
 499         return 0;
 500 }
 501
 502
 503 /*
 504  * qla2x00_eh_wait_on_command
 505  *    Waits for the command to be returned by the Firmware for some
 506  *    max time.
 507  *
 508  * Input:
 509  *    ha = actual ha whose done queue will contain the command
 510  *            returned by firmware.
 511  *    cmd = Scsi Command to wait on.
 512  *    flag = Abort/Reset(Bus or Device Reset)
 513  *
 514  * Return:
 515  *    Not Found : 0
 516  *    Found : 1
 517  */
 518 static int
 519 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
 520 {
 521 #define ABORT_POLLING_PERIOD    1000
 522 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 523         unsigned long wait_iter = ABORT_WAIT_ITER;
 524         int ret = QLA_SUCCESS;
 525
 526         while (CMD_SP(cmd)) {
 527                 msleep(ABORT_POLLING_PERIOD);
 528
 529                 if (--wait_iter)
 530                         break;
 531         }
 532         if (CMD_SP(cmd))
 533                 ret = QLA_FUNCTION_FAILED;
 534
 535         return ret;
 536 }
 537
 538 /*
 539  * qla2x00_wait_for_hba_online
 540  *    Wait till the HBA is online after going through
 541  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 542  *    finally HBA is disabled ie marked offline
 543  *
 544  * Input:
 545  *     ha - pointer to host adapter structure
 546  *
 547  * Note:
 548  *    Does context switching-Release SPIN_LOCK
 549  *    (if any) before calling this routine.
 550  *
 551  * Return:
 552  *    Success (Adapter is online) : 0
 553  *    Failed  (Adapter is offline/disabled) : 1
 554  */
 555 int
 556 qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
 557 {
 558         int             return_status;
 559         unsigned long   wait_online;
 560         scsi_qla_host_t *pha = to_qla_parent(ha);
 561
 562         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 563         while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
 564             test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
 565             test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
 566             pha->dpc_active) && time_before(jiffies, wait_online)) {
 567
 568                 msleep(1000);
 569         }
 570         if (pha->flags.online)
 571                 return_status = QLA_SUCCESS;
 572         else
 573                 return_status = QLA_FUNCTION_FAILED;
 574
 575         DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
 576
 577         return (return_status);
 578 }
 579
 580 /*
 581  * qla2x00_wait_for_loop_ready
 582  *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 583  *    to be in LOOP_READY state.
 584  * Input:
 585  *     ha - pointer to host adapter structure
 586  *
 587  * Note:
 588  *    Does context switching-Release SPIN_LOCK
 589  *    (if any) before calling this routine.
 590  *
 591  *
 592  * Return:
 593  *    Success (LOOP_READY) : 0
 594  *    Failed  (LOOP_NOT_READY) : 1
 595  */
 596 static inline int
 597 qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
 598 {
 599         int      return_status = QLA_SUCCESS;
 600         unsigned long loop_timeout ;
 601         scsi_qla_host_t *pha = to_qla_parent(ha);
 602
 603         /* wait for 5 min at the max for loop to be ready */
 604         loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 605
 606         while ((!atomic_read(&pha->loop_down_timer) &&
 607             atomic_read(&pha->loop_state) == LOOP_DOWN) ||
 608             atomic_read(&pha->loop_state) != LOOP_READY) {
 609                 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
 610                         return_status = QLA_FUNCTION_FAILED;
 611                         break;
 612                 }
 613                 msleep(1000);
 614                 if (time_after_eq(jiffies, loop_timeout)) {
 615                         return_status = QLA_FUNCTION_FAILED;
 616                         break;
 617                 }
 618         }
 619         return (return_status);
 620 }
 621
 622 static void
 623 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
 624 {
 625         struct Scsi_Host *shost = cmnd->device->host;
 626         struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
 627         unsigned long flags;
 628
 629         spin_lock_irqsave(shost->host_lock, flags);
 630         while (rport->port_state == FC_PORTSTATE_BLOCKED) {
 631                 spin_unlock_irqrestore(shost->host_lock, flags);
 632                 msleep(1000);
 633                 spin_lock_irqsave(shost->host_lock, flags);
 634         }
 635         spin_unlock_irqrestore(shost->host_lock, flags);
 636         return;
 637 }
 638
 639 /**************************************************************************
 640 * qla2xxx_eh_abort
 641 *
 642 * Description:
 643 *    The abort function will abort the specified command.
 644 *
 645 * Input:
 646 *    cmd = Linux SCSI command packet to be aborted.
 647 *
 648 * Returns:
 649 *    Either SUCCESS or FAILED.
 650 *
 651 * Note:
 652 *    Only return FAILED if command not returned by firmware.
 653 **************************************************************************/
 654 static int
 655 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 656 {
 657         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 658         srb_t *sp;
 659         int ret, i;
 660         unsigned int id, lun;
 661         unsigned long serial;
 662         unsigned long flags;
 663         int wait = 0;
 664         scsi_qla_host_t *pha = to_qla_parent(ha);
 665
 666         qla2x00_block_error_handler(cmd);
 667
 668         if (!CMD_SP(cmd))
 669                 return SUCCESS;
 670
 671         ret = SUCCESS;
 672
 673         id = cmd->device->id;
 674         lun = cmd->device->lun;
 675         serial = cmd->serial_number;
 676
 677         /* Check active list for command command. */
 678         spin_lock_irqsave(&pha->hardware_lock, flags);
 679         for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
 680                 sp = pha->outstanding_cmds[i];
 681
 682                 if (sp == NULL)
 683                         continue;
 684
 685                 if (sp->cmd != cmd)
 686                         continue;
 687
 688                 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
 689                     __func__, ha->host_no, sp, serial));
 690                 DEBUG3(qla2x00_print_scsi_cmd(cmd));
 691
 692                 spin_unlock_irqrestore(&pha->hardware_lock, flags);
 693                 if (ha->isp_ops->abort_command(ha, sp)) {
 694                         DEBUG2(printk("%s(%ld): abort_command "
 695                             "mbx failed.\n", __func__, ha->host_no));
 696                 } else {
 697                         DEBUG3(printk("%s(%ld): abort_command "
 698                             "mbx success.\n", __func__, ha->host_no));
 699                         wait = 1;
 700                 }
 701                 spin_lock_irqsave(&pha->hardware_lock, flags);
 702
 703                 break;
 704         }
 705         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 706
 707         /* Wait for the command to be returned. */
 708         if (wait) {
 709                 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
 710                         qla_printk(KERN_ERR, ha,
 711                             "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
 712                             "%x.\n", ha->host_no, id, lun, serial, ret);
 713                         ret = FAILED;
 714                 }
 715         }
 716
 717         qla_printk(KERN_INFO, ha,
 718             "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
 719             ha->host_no, id, lun, wait, serial, ret);
 720
 721         return ret;
 722 }
 723
 724 /**************************************************************************
 725 * qla2x00_eh_wait_for_pending_target_commands
 726 *
 727 * Description:
 728 *    Waits for all the commands to come back from the specified target.
 729 *
 730 * Input:
 731 *    ha - pointer to scsi_qla_host structure.
 732 *    t  - target
 733 * Returns:
 734 *    Either SUCCESS or FAILED.
 735 *
 736 * Note:
 737 **************************************************************************/
 738 static int
 739 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
 740 {
 741         int     cnt;
 742         int     status;
 743         srb_t           *sp;
 744         struct scsi_cmnd *cmd;
 745         unsigned long flags;
 746         scsi_qla_host_t *pha = to_qla_parent(ha);
 747
 748         status = 0;
 749
 750         /*
 751          * Waiting for all commands for the designated target in the active
 752          * array
 753          */
 754         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 755                 spin_lock_irqsave(&pha->hardware_lock, flags);
 756                 sp = pha->outstanding_cmds[cnt];
 757                 if (sp) {
 758                         cmd = sp->cmd;
 759                         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 760                         if (cmd->device->id == t &&
 761                             ha->vp_idx == sp->ha->vp_idx) {
 762                                 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
 763                                         status = 1;
 764                                         break;
 765                                 }
 766                         }
 767                 } else {
 768                         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 769                 }
 770         }
 771         return (status);
 772 }
 773
 774
 775 /**************************************************************************
 776 * qla2xxx_eh_device_reset
 777 *
 778 * Description:
 779 *    The device reset function will reset the target and abort any
 780 *    executing commands.
 781 *
 782 *    NOTE: The use of SP is undefined within this context.  Do *NOT*
 783 *          attempt to use this value, even if you determine it is
 784 *          non-null.
 785 *
 786 * Input:
 787 *    cmd = Linux SCSI command packet of the command that cause the
 788 *          bus device reset.
 789 *
 790 * Returns:
 791 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 792 *
 793 **************************************************************************/
 794 static int
 795 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
 796 {
 797         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 798         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 799         int ret = FAILED;
 800         unsigned int id, lun;
 801         unsigned long serial;
 802
 803         qla2x00_block_error_handler(cmd);
 804
 805         id = cmd->device->id;
 806         lun = cmd->device->lun;
 807         serial = cmd->serial_number;
 808
 809         if (!fcport)
 810                 return ret;
 811
 812         qla_printk(KERN_INFO, ha,
 813             "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
 814
 815         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 816                 goto eh_dev_reset_done;
 817
 818         if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
 819                 if (qla2x00_device_reset(ha, fcport) == 0)
 820                         ret = SUCCESS;
 821
 822 #if defined(LOGOUT_AFTER_DEVICE_RESET)
 823                 if (ret == SUCCESS) {
 824                         if (fcport->flags & FC_FABRIC_DEVICE) {
 825                                 ha->isp_ops->fabric_logout(ha, fcport->loop_id);
 826                                 qla2x00_mark_device_lost(ha, fcport, 0, 0);
 827                         }
 828                 }
 829 #endif
 830         } else {
 831                 DEBUG2(printk(KERN_INFO
 832                     "%s failed: loop not ready\n",__func__));
 833         }
 834
 835         if (ret == FAILED) {
 836                 DEBUG3(printk("%s(%ld): device reset failed\n",
 837                     __func__, ha->host_no));
 838                 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
 839                     __func__);
 840
 841                 goto eh_dev_reset_done;
 842         }
 843
 844         /* Flush outstanding commands. */
 845         if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
 846                 ret = FAILED;
 847         if (ret == FAILED) {
 848                 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
 849                     __func__, ha->host_no));
 850                 qla_printk(KERN_INFO, ha,
 851                     "%s: failed while waiting for commands\n", __func__);
 852         } else
 853                 qla_printk(KERN_INFO, ha,
 854                     "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
 855                     id, lun);
 856  eh_dev_reset_done:
 857         return ret;
 858 }
 859
 860 /**************************************************************************
 861 * qla2x00_eh_wait_for_pending_commands
 862 *
 863 * Description:
 864 *    Waits for all the commands to come back from the specified host.
 865 *
 866 * Input:
 867 *    ha - pointer to scsi_qla_host structure.
 868 *
 869 * Returns:
 870 *    1 : SUCCESS
 871 *    0 : FAILED
 872 *
 873 * Note:
 874 **************************************************************************/
 875 static int
 876 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
 877 {
 878         int     cnt;
 879         int     status;
 880         srb_t           *sp;
 881         struct scsi_cmnd *cmd;
 882         unsigned long flags;
 883
 884         status = 1;
 885
 886         /*
 887          * Waiting for all commands for the designated target in the active
 888          * array
 889          */
 890         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 891                 spin_lock_irqsave(&ha->hardware_lock, flags);
 892                 sp = ha->outstanding_cmds[cnt];
 893                 if (sp) {
 894                         cmd = sp->cmd;
 895                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 896                         status = qla2x00_eh_wait_on_command(ha, cmd);
 897                         if (status == 0)
 898                                 break;
 899                 }
 900                 else {
 901                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 902                 }
 903         }
 904         return (status);
 905 }
 906
 907
 908 /**************************************************************************
 909 * qla2xxx_eh_bus_reset
 910 *
 911 * Description:
 912 *    The bus reset function will reset the bus and abort any executing
 913 *    commands.
 914 *
 915 * Input:
 916 *    cmd = Linux SCSI command packet of the command that cause the
 917 *          bus reset.
 918 *
 919 * Returns:
 920 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 921 *
 922 **************************************************************************/
 923 static int
 924 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 925 {
 926         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 927         scsi_qla_host_t *pha = to_qla_parent(ha);
 928         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 929         int ret = FAILED;
 930         unsigned int id, lun;
 931         unsigned long serial;
 932
 933         qla2x00_block_error_handler(cmd);
 934
 935         id = cmd->device->id;
 936         lun = cmd->device->lun;
 937         serial = cmd->serial_number;
 938
 939         if (!fcport)
 940                 return ret;
 941
 942         qla_printk(KERN_INFO, ha,
 943             "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
 944
 945         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
 946                 DEBUG2(printk("%s failed:board disabled\n",__func__));
 947                 goto eh_bus_reset_done;
 948         }
 949
 950         if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
 951                 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
 952                         ret = SUCCESS;
 953         }
 954         if (ret == FAILED)
 955                 goto eh_bus_reset_done;
 956
 957         /* Flush outstanding commands. */
 958         if (!qla2x00_eh_wait_for_pending_commands(pha))
 959                 ret = FAILED;
 960
 961 eh_bus_reset_done:
 962         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
 963             (ret == FAILED) ? "failed" : "succeded");
 964
 965         return ret;
 966 }
 967
 968 /**************************************************************************
 969 * qla2xxx_eh_host_reset
 970 *
 971 * Description:
 972 *    The reset function will reset the Adapter.
 973 *
 974 * Input:
 975 *      cmd = Linux SCSI command packet of the command that cause the
 976 *            adapter reset.
 977 *
 978 * Returns:
 979 *      Either SUCCESS or FAILED.
 980 *
 981 * Note:
 982 **************************************************************************/
 983 static int
 984 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 985 {
 986         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 987         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 988         int ret = FAILED;
 989         unsigned int id, lun;
 990         unsigned long serial;
 991         scsi_qla_host_t *pha = to_qla_parent(ha);
 992
 993         qla2x00_block_error_handler(cmd);
 994
 995         id = cmd->device->id;
 996         lun = cmd->device->lun;
 997         serial = cmd->serial_number;
 998
 999         if (!fcport)
1000                 return ret;
1001
1002         qla_printk(KERN_INFO, ha,
1003             "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1004
1005         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1006                 goto eh_host_reset_lock;
1007
1008         /*
1009          * Fixme-may be dpc thread is active and processing
1010          * loop_resync,so wait a while for it to
1011          * be completed and then issue big hammer.Otherwise
1012          * it may cause I/O failure as big hammer marks the
1013          * devices as lost kicking of the port_down_timer
1014          * while dpc is stuck for the mailbox to complete.
1015          */
1016         qla2x00_wait_for_loop_ready(ha);
1017         set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1018         if (qla2x00_abort_isp(pha)) {
1019                 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1020                 /* failed. schedule dpc to try */
1021                 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1022
1023                 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1024                         goto eh_host_reset_lock;
1025         }
1026         clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1027
1028         /* Waiting for our command in done_queue to be returned to OS.*/
1029         if (qla2x00_eh_wait_for_pending_commands(pha))
1030                 ret = SUCCESS;
1031
1032         if (ha->parent)
1033                 qla2x00_vp_abort_isp(ha);
1034
1035 eh_host_reset_lock:
1036         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1037             (ret == FAILED) ? "failed" : "succeded");
1038
1039         return ret;
1040 }
1041
1042 /*
1043 * qla2x00_loop_reset
1044 *      Issue loop reset.
1045 *
1046 * Input:
1047 *      ha = adapter block pointer.
1048 *
1049 * Returns:
1050 *      0 = success
1051 */
1052 int
1053 qla2x00_loop_reset(scsi_qla_host_t *ha)
1054 {
1055         int ret;
1056         struct fc_port *fcport;
1057
1058         if (ha->flags.enable_lip_full_login) {
1059                 ret = qla2x00_full_login_lip(ha);
1060                 if (ret != QLA_SUCCESS) {
1061                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1062                             "full_login_lip=%d.\n", __func__, ha->host_no,
1063                             ret));
1064                 }
1065                 atomic_set(&ha->loop_state, LOOP_DOWN);
1066                 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1067                 qla2x00_mark_all_devices_lost(ha, 0);
1068                 qla2x00_wait_for_loop_ready(ha);
1069         }
1070
1071         if (ha->flags.enable_lip_reset) {
1072                 ret = qla2x00_lip_reset(ha);
1073                 if (ret != QLA_SUCCESS) {
1074                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1075                             "lip_reset=%d.\n", __func__, ha->host_no, ret));
1076                 }
1077                 qla2x00_wait_for_loop_ready(ha);
1078         }
1079
1080         if (ha->flags.enable_target_reset) {
1081                 list_for_each_entry(fcport, &ha->fcports, list) {
1082                         if (fcport->port_type != FCT_TARGET)
1083                                 continue;
1084
1085                         ret = qla2x00_device_reset(ha, fcport);
1086                         if (ret != QLA_SUCCESS) {
1087                                 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1088                                     "target_reset=%d d_id=%x.\n", __func__,
1089                                     ha->host_no, ret, fcport->d_id.b24));
1090                         }
1091                 }
1092         }
1093
1094         /* Issue marker command only when we are going to start the I/O */
1095         ha->marker_needed = 1;
1096
1097         return QLA_SUCCESS;
1098 }
1099
1100 /*
1101  * qla2x00_device_reset
1102  *      Issue bus device reset message to the target.
1103  *
1104  * Input:
1105  *      ha = adapter block pointer.
1106  *      t = SCSI ID.
1107  *      TARGET_QUEUE_LOCK must be released.
1108  *      ADAPTER_STATE_LOCK must be released.
1109  *
1110  * Context:
1111  *      Kernel context.
1112  */
1113 static int
1114 qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1115 {
1116         /* Abort Target command will clear Reservation */
1117         return ha->isp_ops->abort_target(reset_fcport);
1118 }
1119
1120 static int
1121 qla2xxx_slave_alloc(struct scsi_device *sdev)
1122 {
1123         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1124
1125         if (!rport || fc_remote_port_chkready(rport))
1126                 return -ENXIO;
1127
1128         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1129
1130         return 0;
1131 }
1132
1133 static int
1134 qla2xxx_slave_configure(struct scsi_device *sdev)
1135 {
1136         scsi_qla_host_t *ha = shost_priv(sdev->host);
1137         struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1138
1139         if (sdev->tagged_supported)
1140                 scsi_activate_tcq(sdev, ha->max_q_depth);
1141         else
1142                 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1143
1144         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1145
1146         return 0;
1147 }
1148
1149 static void
1150 qla2xxx_slave_destroy(struct scsi_device *sdev)
1151 {
1152         sdev->hostdata = NULL;
1153 }
1154
1155 static int
1156 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1157 {
1158         scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1159         return sdev->queue_depth;
1160 }
1161
1162 static int
1163 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1164 {
1165         if (sdev->tagged_supported) {
1166                 scsi_set_tag_type(sdev, tag_type);
1167                 if (tag_type)
1168                         scsi_activate_tcq(sdev, sdev->queue_depth);
1169                 else
1170                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1171         } else
1172                 tag_type = 0;
1173
1174         return tag_type;
1175 }
1176
1177 /**
1178  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1179  * @ha: HA context
1180  *
1181  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1182  * supported addressing method.
1183  */
1184 static void
1185 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1186 {
1187         /* Assume a 32bit DMA mask. */
1188         ha->flags.enable_64bit_addressing = 0;
1189
1190         if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1191                 /* Any upper-dword bits set? */
1192                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1193                     !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1194                         /* Ok, a 64bit DMA mask is applicable. */
1195                         ha->flags.enable_64bit_addressing = 1;
1196                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1197                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1198                         return;
1199                 }
1200         }
1201
1202         dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1203         pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1204 }
1205
1206 static void
1207 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1208 {
1209         unsigned long flags = 0;
1210         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1211
1212         spin_lock_irqsave(&ha->hardware_lock, flags);
1213         ha->interrupts_on = 1;
1214         /* enable risc and host interrupts */
1215         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1216         RD_REG_WORD(&reg->ictrl);
1217         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1218
1219 }
1220
1221 static void
1222 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1223 {
1224         unsigned long flags = 0;
1225         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1226
1227         spin_lock_irqsave(&ha->hardware_lock, flags);
1228         ha->interrupts_on = 0;
1229         /* disable risc and host interrupts */
1230         WRT_REG_WORD(&reg->ictrl, 0);
1231         RD_REG_WORD(&reg->ictrl);
1232         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1233 }
1234
1235 static void
1236 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1237 {
1238         unsigned long flags = 0;
1239         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1240
1241         spin_lock_irqsave(&ha->hardware_lock, flags);
1242         ha->interrupts_on = 1;
1243         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1244         RD_REG_DWORD(&reg->ictrl);
1245         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1246 }
1247
1248 static void
1249 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1250 {
1251         unsigned long flags = 0;
1252         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1253
1254         spin_lock_irqsave(&ha->hardware_lock, flags);
1255         ha->interrupts_on = 0;
1256         WRT_REG_DWORD(&reg->ictrl, 0);
1257         RD_REG_DWORD(&reg->ictrl);
1258         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1259 }
1260
1261 static struct isp_operations qla2100_isp_ops = {
1262         .pci_config             = qla2100_pci_config,
1263         .reset_chip             = qla2x00_reset_chip,
1264         .chip_diag              = qla2x00_chip_diag,
1265         .config_rings           = qla2x00_config_rings,
1266         .reset_adapter          = qla2x00_reset_adapter,
1267         .nvram_config           = qla2x00_nvram_config,
1268         .update_fw_options      = qla2x00_update_fw_options,
1269         .load_risc              = qla2x00_load_risc,
1270         .pci_info_str           = qla2x00_pci_info_str,
1271         .fw_version_str         = qla2x00_fw_version_str,
1272         .intr_handler           = qla2100_intr_handler,
1273         .enable_intrs           = qla2x00_enable_intrs,
1274         .disable_intrs          = qla2x00_disable_intrs,
1275         .abort_command          = qla2x00_abort_command,
1276         .abort_target           = qla2x00_abort_target,
1277         .fabric_login           = qla2x00_login_fabric,
1278         .fabric_logout          = qla2x00_fabric_logout,
1279         .calc_req_entries       = qla2x00_calc_iocbs_32,
1280         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1281         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1282         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1283         .read_nvram             = qla2x00_read_nvram_data,
1284         .write_nvram            = qla2x00_write_nvram_data,
1285         .fw_dump                = qla2100_fw_dump,
1286         .beacon_on              = NULL,
1287         .beacon_off             = NULL,
1288         .beacon_blink           = NULL,
1289         .read_optrom            = qla2x00_read_optrom_data,
1290         .write_optrom           = qla2x00_write_optrom_data,
1291         .get_flash_version      = qla2x00_get_flash_version,
1292 };
1293
1294 static struct isp_operations qla2300_isp_ops = {
1295         .pci_config             = qla2300_pci_config,
1296         .reset_chip             = qla2x00_reset_chip,
1297         .chip_diag              = qla2x00_chip_diag,
1298         .config_rings           = qla2x00_config_rings,
1299         .reset_adapter          = qla2x00_reset_adapter,
1300         .nvram_config           = qla2x00_nvram_config,
1301         .update_fw_options      = qla2x00_update_fw_options,
1302         .load_risc              = qla2x00_load_risc,
1303         .pci_info_str           = qla2x00_pci_info_str,
1304         .fw_version_str         = qla2x00_fw_version_str,
1305         .intr_handler           = qla2300_intr_handler,
1306         .enable_intrs           = qla2x00_enable_intrs,
1307         .disable_intrs          = qla2x00_disable_intrs,
1308         .abort_command          = qla2x00_abort_command,
1309         .abort_target           = qla2x00_abort_target,
1310         .fabric_login           = qla2x00_login_fabric,
1311         .fabric_logout          = qla2x00_fabric_logout,
1312         .calc_req_entries       = qla2x00_calc_iocbs_32,
1313         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1314         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1315         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1316         .read_nvram             = qla2x00_read_nvram_data,
1317         .write_nvram            = qla2x00_write_nvram_data,
1318         .fw_dump                = qla2300_fw_dump,
1319         .beacon_on              = qla2x00_beacon_on,
1320         .beacon_off             = qla2x00_beacon_off,
1321         .beacon_blink           = qla2x00_beacon_blink,
1322         .read_optrom            = qla2x00_read_optrom_data,
1323         .write_optrom           = qla2x00_write_optrom_data,
1324         .get_flash_version      = qla2x00_get_flash_version,
1325 };
1326
1327 static struct isp_operations qla24xx_isp_ops = {
1328         .pci_config             = qla24xx_pci_config,
1329         .reset_chip             = qla24xx_reset_chip,
1330         .chip_diag              = qla24xx_chip_diag,
1331         .config_rings           = qla24xx_config_rings,
1332         .reset_adapter          = qla24xx_reset_adapter,
1333         .nvram_config           = qla24xx_nvram_config,
1334         .update_fw_options      = qla24xx_update_fw_options,
1335         .load_risc              = qla24xx_load_risc,
1336         .pci_info_str           = qla24xx_pci_info_str,
1337         .fw_version_str         = qla24xx_fw_version_str,
1338         .intr_handler           = qla24xx_intr_handler,
1339         .enable_intrs           = qla24xx_enable_intrs,
1340         .disable_intrs          = qla24xx_disable_intrs,
1341         .abort_command          = qla24xx_abort_command,
1342         .abort_target           = qla24xx_abort_target,
1343         .fabric_login           = qla24xx_login_fabric,
1344         .fabric_logout          = qla24xx_fabric_logout,
1345         .calc_req_entries       = NULL,
1346         .build_iocbs            = NULL,
1347         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1348         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1349         .read_nvram             = qla24xx_read_nvram_data,
1350         .write_nvram            = qla24xx_write_nvram_data,
1351         .fw_dump                = qla24xx_fw_dump,
1352         .beacon_on              = qla24xx_beacon_on,
1353         .beacon_off             = qla24xx_beacon_off,
1354         .beacon_blink           = qla24xx_beacon_blink,
1355         .read_optrom            = qla24xx_read_optrom_data,
1356         .write_optrom           = qla24xx_write_optrom_data,
1357         .get_flash_version      = qla24xx_get_flash_version,
1358 };
1359
1360 static struct isp_operations qla25xx_isp_ops = {
1361         .pci_config             = qla25xx_pci_config,
1362         .reset_chip             = qla24xx_reset_chip,
1363         .chip_diag              = qla24xx_chip_diag,
1364         .config_rings           = qla24xx_config_rings,
1365         .reset_adapter          = qla24xx_reset_adapter,
1366         .nvram_config           = qla24xx_nvram_config,
1367         .update_fw_options      = qla24xx_update_fw_options,
1368         .load_risc              = qla24xx_load_risc,
1369         .pci_info_str           = qla24xx_pci_info_str,
1370         .fw_version_str         = qla24xx_fw_version_str,
1371         .intr_handler           = qla24xx_intr_handler,
1372         .enable_intrs           = qla24xx_enable_intrs,
1373         .disable_intrs          = qla24xx_disable_intrs,
1374         .abort_command          = qla24xx_abort_command,
1375         .abort_target           = qla24xx_abort_target,
1376         .fabric_login           = qla24xx_login_fabric,
1377         .fabric_logout          = qla24xx_fabric_logout,
1378         .calc_req_entries       = NULL,
1379         .build_iocbs            = NULL,
1380         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1381         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1382         .read_nvram             = qla25xx_read_nvram_data,
1383         .write_nvram            = qla25xx_write_nvram_data,
1384         .fw_dump                = qla25xx_fw_dump,
1385         .beacon_on              = qla24xx_beacon_on,
1386         .beacon_off             = qla24xx_beacon_off,
1387         .beacon_blink           = qla24xx_beacon_blink,
1388         .read_optrom            = qla25xx_read_optrom_data,
1389         .write_optrom           = qla24xx_write_optrom_data,
1390         .get_flash_version      = qla24xx_get_flash_version,
1391 };
1392
1393 static inline void
1394 qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1395 {
1396         ha->device_type = DT_EXTENDED_IDS;
1397         switch (ha->pdev->device) {
1398         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1399                 ha->device_type |= DT_ISP2100;
1400                 ha->device_type &= ~DT_EXTENDED_IDS;
1401                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1402                 break;
1403         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1404                 ha->device_type |= DT_ISP2200;
1405                 ha->device_type &= ~DT_EXTENDED_IDS;
1406                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1407                 break;
1408         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1409                 ha->device_type |= DT_ISP2300;
1410                 ha->device_type |= DT_ZIO_SUPPORTED;
1411                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1412                 break;
1413         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1414                 ha->device_type |= DT_ISP2312;
1415                 ha->device_type |= DT_ZIO_SUPPORTED;
1416                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1417                 break;
1418         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1419                 ha->device_type |= DT_ISP2322;
1420                 ha->device_type |= DT_ZIO_SUPPORTED;
1421                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1422                     ha->pdev->subsystem_device == 0x0170)
1423                         ha->device_type |= DT_OEM_001;
1424                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1425                 break;
1426         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1427                 ha->device_type |= DT_ISP6312;
1428                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1429                 break;
1430         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1431                 ha->device_type |= DT_ISP6322;
1432                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1433                 break;
1434         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1435                 ha->device_type |= DT_ISP2422;
1436                 ha->device_type |= DT_ZIO_SUPPORTED;
1437                 ha->device_type |= DT_FWI2;
1438                 ha->device_type |= DT_IIDMA;
1439                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1440                 break;
1441         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1442                 ha->device_type |= DT_ISP2432;
1443                 ha->device_type |= DT_ZIO_SUPPORTED;
1444                 ha->device_type |= DT_FWI2;
1445                 ha->device_type |= DT_IIDMA;
1446                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1447                 break;
1448         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1449                 ha->device_type |= DT_ISP5422;
1450                 ha->device_type |= DT_FWI2;
1451                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1452                 break;
1453         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1454                 ha->device_type |= DT_ISP5432;
1455                 ha->device_type |= DT_FWI2;
1456                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1457                 break;
1458         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1459                 ha->device_type |= DT_ISP2532;
1460                 ha->device_type |= DT_ZIO_SUPPORTED;
1461                 ha->device_type |= DT_FWI2;
1462                 ha->device_type |= DT_IIDMA;
1463                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1464                 break;
1465         }
1466 }
1467
1468 static int
1469 qla2x00_iospace_config(scsi_qla_host_t *ha)
1470 {
1471         resource_size_t pio;
1472
1473         if (pci_request_selected_regions(ha->pdev, ha->bars,
1474             QLA2XXX_DRIVER_NAME)) {
1475                 qla_printk(KERN_WARNING, ha,
1476                     "Failed to reserve PIO/MMIO regions (%s)\n",
1477                     pci_name(ha->pdev));
1478
1479                 goto iospace_error_exit;
1480         }
1481         if (!(ha->bars & 1))
1482                 goto skip_pio;
1483
1484         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1485         pio = pci_resource_start(ha->pdev, 0);
1486         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1487                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1488                         qla_printk(KERN_WARNING, ha,
1489                             "Invalid PCI I/O region size (%s)...\n",
1490                                 pci_name(ha->pdev));
1491                         pio = 0;
1492                 }
1493         } else {
1494                 qla_printk(KERN_WARNING, ha,
1495                     "region #0 not a PIO resource (%s)...\n",
1496                     pci_name(ha->pdev));
1497                 pio = 0;
1498         }
1499         ha->pio_address = pio;
1500
1501 skip_pio:
1502         /* Use MMIO operations for all accesses. */
1503         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1504                 qla_printk(KERN_ERR, ha,
1505                     "region #1 not an MMIO resource (%s), aborting\n",
1506                     pci_name(ha->pdev));
1507                 goto iospace_error_exit;
1508         }
1509         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1510                 qla_printk(KERN_ERR, ha,
1511                     "Invalid PCI mem region size (%s), aborting\n",
1512                         pci_name(ha->pdev));
1513                 goto iospace_error_exit;
1514         }
1515
1516         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1517         if (!ha->iobase) {
1518                 qla_printk(KERN_ERR, ha,
1519                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1520
1521                 goto iospace_error_exit;
1522         }
1523
1524         return (0);
1525
1526 iospace_error_exit:
1527         return (-ENOMEM);
1528 }
1529
1530 static void
1531 qla2xxx_scan_start(struct Scsi_Host *shost)
1532 {
1533         scsi_qla_host_t *ha = shost_priv(shost);
1534
1535         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1536         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1537         set_bit(RSCN_UPDATE, &ha->dpc_flags);
1538 }
1539
1540 static int
1541 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1542 {
1543         scsi_qla_host_t *ha = shost_priv(shost);
1544
1545         if (!ha->host)
1546                 return 1;
1547         if (time > ha->loop_reset_delay * HZ)
1548                 return 1;
1549
1550         return atomic_read(&ha->loop_state) == LOOP_READY;
1551 }
1552
1553 /*
1554  * PCI driver interface
1555  */
1556 static int __devinit
1557 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1558 {
1559         int     ret = -ENODEV;
1560         device_reg_t __iomem *reg;
1561         struct Scsi_Host *host;
1562         scsi_qla_host_t *ha;
1563         unsigned long   flags = 0;
1564         char pci_info[30];
1565         char fw_str[30];
1566         struct scsi_host_template *sht;
1567         int bars, mem_only = 0;
1568
1569         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1570         sht = &qla2x00_driver_template;
1571         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1572             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1573             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1574             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1575             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1576                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1577                 sht = &qla24xx_driver_template;
1578                 mem_only = 1;
1579         }
1580
1581         if (mem_only) {
1582                 if (pci_enable_device_mem(pdev))
1583                         goto probe_out;
1584         } else {
1585                 if (pci_enable_device(pdev))
1586                         goto probe_out;
1587         }
1588
1589         if (pci_find_aer_capability(pdev))
1590                 if (pci_enable_pcie_error_reporting(pdev))
1591                         goto probe_out;
1592
1593         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1594         if (host == NULL) {
1595                 printk(KERN_WARNING
1596                     "qla2xxx: Couldn't allocate host from scsi layer!\n");
1597                 goto probe_disable_device;
1598         }
1599
1600         /* Clear our data area */
1601         ha = shost_priv(host);
1602         memset(ha, 0, sizeof(scsi_qla_host_t));
1603
1604         ha->pdev = pdev;
1605         ha->host = host;
1606         ha->host_no = host->host_no;
1607         sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
1608         ha->parent = NULL;
1609         ha->bars = bars;
1610         ha->mem_only = mem_only;
1611
1612         /* Set ISP-type information. */
1613         qla2x00_set_isp_flags(ha);
1614
1615         /* Configure PCI I/O space */
1616         ret = qla2x00_iospace_config(ha);
1617         if (ret)
1618                 goto probe_failed;
1619
1620         qla_printk(KERN_INFO, ha,
1621             "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1622             ha->iobase);
1623
1624         spin_lock_init(&ha->hardware_lock);
1625
1626         ha->prev_topology = 0;
1627         ha->init_cb_size = sizeof(init_cb_t);
1628         ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
1629         ha->link_data_rate = PORT_SPEED_UNKNOWN;
1630         ha->optrom_size = OPTROM_SIZE_2300;
1631
1632         ha->max_q_depth = MAX_Q_DEPTH;
1633         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1634                 ha->max_q_depth = ql2xmaxqdepth;
1635
1636         /* Assign ISP specific operations. */
1637         if (IS_QLA2100(ha)) {
1638                 host->max_id = MAX_TARGETS_2100;
1639                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1640                 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1641                 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1642                 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1643                 host->sg_tablesize = 32;
1644                 ha->gid_list_info_size = 4;
1645                 ha->isp_ops = &qla2100_isp_ops;
1646         } else if (IS_QLA2200(ha)) {
1647                 host->max_id = MAX_TARGETS_2200;
1648                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1649                 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1650                 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1651                 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1652                 ha->gid_list_info_size = 4;
1653                 ha->isp_ops = &qla2100_isp_ops;
1654         } else if (IS_QLA23XX(ha)) {
1655                 host->max_id = MAX_TARGETS_2200;
1656                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1657                 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1658                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1659                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1660                 ha->gid_list_info_size = 6;
1661                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1662                         ha->optrom_size = OPTROM_SIZE_2322;
1663                 ha->isp_ops = &qla2300_isp_ops;
1664         } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1665                 host->max_id = MAX_TARGETS_2200;
1666                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1667                 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1668                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1669                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1670                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1671                 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1672                 ha->gid_list_info_size = 8;
1673                 ha->optrom_size = OPTROM_SIZE_24XX;
1674                 ha->isp_ops = &qla24xx_isp_ops;
1675         } else if (IS_QLA25XX(ha)) {
1676                 host->max_id = MAX_TARGETS_2200;
1677                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1678                 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1679                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1680                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1681                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1682                 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1683                 ha->gid_list_info_size = 8;
1684                 ha->optrom_size = OPTROM_SIZE_25XX;
1685                 ha->isp_ops = &qla25xx_isp_ops;
1686         }
1687         host->can_queue = ha->request_q_length + 128;
1688
1689         /* load the F/W, read paramaters, and init the H/W */
1690         ha->instance = num_hosts;
1691
1692         init_MUTEX(&ha->vport_sem);
1693         init_completion(&ha->mbx_cmd_comp);
1694         complete(&ha->mbx_cmd_comp);
1695         init_completion(&ha->mbx_intr_comp);
1696
1697         INIT_LIST_HEAD(&ha->list);
1698         INIT_LIST_HEAD(&ha->fcports);
1699         INIT_LIST_HEAD(&ha->vp_list);
1700
1701         set_bit(0, (unsigned long *) ha->vp_idx_map);
1702
1703         qla2x00_config_dma_addressing(ha);
1704         if (qla2x00_mem_alloc(ha)) {
1705                 qla_printk(KERN_WARNING, ha,
1706                     "[ERROR] Failed to allocate memory for adapter\n");
1707
1708                 ret = -ENOMEM;
1709                 goto probe_failed;
1710         }
1711
1712         if (qla2x00_initialize_adapter(ha)) {
1713                 qla_printk(KERN_WARNING, ha,
1714                     "Failed to initialize adapter\n");
1715
1716                 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1717                     "Adapter flags %x.\n",
1718                     ha->host_no, ha->device_flags));
1719
1720                 ret = -ENODEV;
1721                 goto probe_failed;
1722         }
1723
1724         /*
1725          * Startup the kernel thread for this host adapter
1726          */
1727         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1728                         "%s_dpc", ha->host_str);
1729         if (IS_ERR(ha->dpc_thread)) {
1730                 qla_printk(KERN_WARNING, ha,
1731                     "Unable to start DPC thread!\n");
1732                 ret = PTR_ERR(ha->dpc_thread);
1733                 goto probe_failed;
1734         }
1735
1736         host->this_id = 255;
1737         host->cmd_per_lun = 3;
1738         host->unique_id = ha->instance;
1739         host->max_cmd_len = MAX_CMDSZ;
1740         host->max_channel = MAX_BUSES - 1;
1741         host->max_lun = MAX_LUNS;
1742         host->transportt = qla2xxx_transport_template;
1743
1744         ret = qla2x00_request_irqs(ha);
1745         if (ret)
1746                 goto probe_failed;
1747
1748         /* Initialized the timer */
1749         qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1750
1751         DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1752             ha->host_no, ha));
1753
1754         ha->isp_ops->disable_intrs(ha);
1755
1756         spin_lock_irqsave(&ha->hardware_lock, flags);
1757         reg = ha->iobase;
1758         if (IS_FWI2_CAPABLE(ha)) {
1759                 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
1760                 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
1761         } else {
1762                 WRT_REG_WORD(&reg->isp.semaphore, 0);
1763                 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_RISC_INT);
1764                 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_HOST_INT);
1765
1766                 /* Enable proper parity */
1767                 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1768                         if (IS_QLA2300(ha))
1769                                 /* SRAM parity */
1770                                 WRT_REG_WORD(&reg->isp.hccr,
1771                                     (HCCR_ENABLE_PARITY + 0x1));
1772                         else
1773                                 /* SRAM, Instruction RAM and GP RAM parity */
1774                                 WRT_REG_WORD(&reg->isp.hccr,
1775                                     (HCCR_ENABLE_PARITY + 0x7));
1776                 }
1777         }
1778         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1779
1780         ha->isp_ops->enable_intrs(ha);
1781
1782         pci_set_drvdata(pdev, ha);
1783
1784         ha->flags.init_done = 1;
1785         ha->flags.online = 1;
1786
1787         num_hosts++;
1788
1789         ret = scsi_add_host(host, &pdev->dev);
1790         if (ret)
1791                 goto probe_failed;
1792
1793         scsi_scan_host(host);
1794
1795         qla2x00_alloc_sysfs_attr(ha);
1796
1797         qla2x00_init_host_attr(ha);
1798
1799         qla2x00_dfs_setup(ha);
1800
1801         qla_printk(KERN_INFO, ha, "\n"
1802             " QLogic Fibre Channel HBA Driver: %s\n"
1803             "  QLogic %s - %s\n"
1804             "  ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1805             qla2x00_version_str, ha->model_number,
1806             ha->model_desc ? ha->model_desc: "", pdev->device,
1807             ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
1808             ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1809             ha->isp_ops->fw_version_str(ha, fw_str));
1810
1811         return 0;
1812
1813 probe_failed:
1814         qla2x00_free_device(ha);
1815
1816         scsi_host_put(host);
1817
1818 probe_disable_device:
1819         pci_disable_device(pdev);
1820
1821 probe_out:
1822         return ret;
1823 }
1824
1825 static void
1826 qla2x00_remove_one(struct pci_dev *pdev)
1827 {
1828         scsi_qla_host_t *ha;
1829
1830         ha = pci_get_drvdata(pdev);
1831
1832         qla2x00_dfs_remove(ha);
1833
1834         qla2x00_free_sysfs_attr(ha);
1835
1836         fc_remove_host(ha->host);
1837
1838         scsi_remove_host(ha->host);
1839
1840         qla2x00_free_device(ha);
1841
1842         scsi_host_put(ha->host);
1843
1844         pci_disable_device(pdev);
1845         pci_set_drvdata(pdev, NULL);
1846 }
1847
1848 static void
1849 qla2x00_free_device(scsi_qla_host_t *ha)
1850 {
1851         /* Disable timer */
1852         if (ha->timer_active)
1853                 qla2x00_stop_timer(ha);
1854
1855         /* Kill the kernel thread for this host */
1856         if (ha->dpc_thread) {
1857                 struct task_struct *t = ha->dpc_thread;
1858
1859                 /*
1860                  * qla2xxx_wake_dpc checks for ->dpc_thread
1861                  * so we need to zero it out.
1862                  */
1863                 ha->dpc_thread = NULL;
1864                 kthread_stop(t);
1865         }
1866
1867         if (ha->flags.fce_enabled)
1868                 qla2x00_disable_fce_trace(ha, NULL, NULL);
1869
1870         if (ha->eft)
1871                 qla2x00_disable_eft_trace(ha);
1872
1873         ha->flags.online = 0;
1874
1875         /* Stop currently executing firmware. */
1876         qla2x00_try_to_stop_firmware(ha);
1877
1878         /* turn-off interrupts on the card */
1879         if (ha->interrupts_on)
1880                 ha->isp_ops->disable_intrs(ha);
1881
1882         qla2x00_mem_free(ha);
1883
1884         qla2x00_free_irqs(ha);
1885
1886         /* release io space registers  */
1887         if (ha->iobase)
1888                 iounmap(ha->iobase);
1889         pci_release_selected_regions(ha->pdev, ha->bars);
1890 }
1891
1892 static inline void
1893 qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1894     int defer)
1895 {
1896         unsigned long flags;
1897         struct fc_rport *rport;
1898
1899         if (!fcport->rport)
1900                 return;
1901
1902         rport = fcport->rport;
1903         if (defer) {
1904                 spin_lock_irqsave(&fcport->rport_lock, flags);
1905                 fcport->drport = rport;
1906                 fcport->rport = NULL;
1907                 *(fc_port_t **)rport->dd_data = NULL;
1908                 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1909                 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1910         } else {
1911                 spin_lock_irqsave(&fcport->rport_lock, flags);
1912                 fcport->rport = NULL;
1913                 *(fc_port_t **)rport->dd_data = NULL;
1914                 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1915                 fc_remote_port_delete(rport);
1916         }
1917 }
1918
1919 /*
1920  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1921  *
1922  * Input: ha = adapter block pointer.  fcport = port structure pointer.
1923  *
1924  * Return: None.
1925  *
1926  * Context:
1927  */
1928 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1929     int do_login, int defer)
1930 {
1931         if (atomic_read(&fcport->state) == FCS_ONLINE &&
1932             ha->vp_idx == fcport->vp_idx)
1933                 qla2x00_schedule_rport_del(ha, fcport, defer);
1934
1935         /*
1936          * We may need to retry the login, so don't change the state of the
1937          * port but do the retries.
1938          */
1939         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1940                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1941
1942         if (!do_login)
1943                 return;
1944
1945         if (fcport->login_retry == 0) {
1946                 fcport->login_retry = ha->login_retry_count;
1947                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1948
1949                 DEBUG(printk("scsi(%ld): Port login retry: "
1950                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
1951                     "id = 0x%04x retry cnt=%d\n",
1952                     ha->host_no,
1953                     fcport->port_name[0],
1954                     fcport->port_name[1],
1955                     fcport->port_name[2],
1956                     fcport->port_name[3],
1957                     fcport->port_name[4],
1958                     fcport->port_name[5],
1959                     fcport->port_name[6],
1960                     fcport->port_name[7],
1961                     fcport->loop_id,
1962                     fcport->login_retry));
1963         }
1964 }
1965
1966 /*
1967  * qla2x00_mark_all_devices_lost
1968  *      Updates fcport state when device goes offline.
1969  *
1970  * Input:
1971  *      ha = adapter block pointer.
1972  *      fcport = port structure pointer.
1973  *
1974  * Return:
1975  *      None.
1976  *
1977  * Context:
1978  */
1979 void
1980 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1981 {
1982         fc_port_t *fcport;
1983         scsi_qla_host_t *pha = to_qla_parent(ha);
1984
1985         list_for_each_entry(fcport, &pha->fcports, list) {
1986                 if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
1987                         continue;
1988                 /*
1989                  * No point in marking the device as lost, if the device is
1990                  * already DEAD.
1991                  */
1992                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1993                         continue;
1994                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1995                         if (defer)
1996                                 qla2x00_schedule_rport_del(ha, fcport, defer);
1997                         else if (ha->vp_idx == fcport->vp_idx)
1998                                 qla2x00_schedule_rport_del(ha, fcport, defer);
1999                 }
2000                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2001         }
2002
2003         if (defer)
2004                 qla2xxx_wake_dpc(ha);
2005 }
2006
2007 /*
2008 * qla2x00_mem_alloc
2009 *      Allocates adapter memory.
2010 *
2011 * Returns:
2012 *      0  = success.
2013 *      1  = failure.
2014 */
2015 static uint8_t
2016 qla2x00_mem_alloc(scsi_qla_host_t *ha)
2017 {
2018         char    name[16];
2019         uint8_t   status = 1;
2020         int     retry= 10;
2021
2022         do {
2023                 /*
2024                  * This will loop only once if everything goes well, else some
2025                  * number of retries will be performed to get around a kernel
2026                  * bug where available mem is not allocated until after a
2027                  * little delay and a retry.
2028                  */
2029                 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
2030                     (ha->request_q_length + 1) * sizeof(request_t),
2031                     &ha->request_dma, GFP_KERNEL);
2032                 if (ha->request_ring == NULL) {
2033                         qla_printk(KERN_WARNING, ha,
2034                             "Memory Allocation failed - request_ring\n");
2035
2036                         qla2x00_mem_free(ha);
2037                         msleep(100);
2038
2039                         continue;
2040                 }
2041
2042                 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
2043                     (ha->response_q_length + 1) * sizeof(response_t),
2044                     &ha->response_dma, GFP_KERNEL);
2045                 if (ha->response_ring == NULL) {
2046                         qla_printk(KERN_WARNING, ha,
2047                             "Memory Allocation failed - response_ring\n");
2048
2049                         qla2x00_mem_free(ha);
2050                         msleep(100);
2051
2052                         continue;
2053                 }
2054
2055                 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2056                     &ha->gid_list_dma, GFP_KERNEL);
2057                 if (ha->gid_list == NULL) {
2058                         qla_printk(KERN_WARNING, ha,
2059                             "Memory Allocation failed - gid_list\n");
2060
2061                         qla2x00_mem_free(ha);
2062                         msleep(100);
2063
2064                         continue;
2065                 }
2066
2067                 /* get consistent memory allocated for init control block */
2068                 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev,
2069                     ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL);
2070                 if (ha->init_cb == NULL) {
2071                         qla_printk(KERN_WARNING, ha,
2072                             "Memory Allocation failed - init_cb\n");
2073
2074                         qla2x00_mem_free(ha);
2075                         msleep(100);
2076
2077                         continue;
2078                 }
2079                 memset(ha->init_cb, 0, ha->init_cb_size);
2080
2081                 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
2082                     ha->host_no);
2083                 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2084                     DMA_POOL_SIZE, 8, 0);
2085                 if (ha->s_dma_pool == NULL) {
2086                         qla_printk(KERN_WARNING, ha,
2087                             "Memory Allocation failed - s_dma_pool\n");
2088
2089                         qla2x00_mem_free(ha);
2090                         msleep(100);
2091
2092                         continue;
2093                 }
2094
2095                 if (qla2x00_allocate_sp_pool(ha)) {
2096                         qla_printk(KERN_WARNING, ha,
2097                             "Memory Allocation failed - "
2098                             "qla2x00_allocate_sp_pool()\n");
2099
2100                         qla2x00_mem_free(ha);
2101                         msleep(100);
2102
2103                         continue;
2104                 }
2105
2106                 /* Allocate memory for SNS commands */
2107                 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2108                         /* Get consistent memory allocated for SNS commands */
2109                         ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2110                             sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
2111                             GFP_KERNEL);
2112                         if (ha->sns_cmd == NULL) {
2113                                 /* error */
2114                                 qla_printk(KERN_WARNING, ha,
2115                                     "Memory Allocation failed - sns_cmd\n");
2116
2117                                 qla2x00_mem_free(ha);
2118                                 msleep(100);
2119
2120                                 continue;
2121                         }
2122                         memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
2123                 } else {
2124                         /* Get consistent memory allocated for MS IOCB */
2125                         ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2126                             &ha->ms_iocb_dma);
2127                         if (ha->ms_iocb == NULL) {
2128                                 /* error */
2129                                 qla_printk(KERN_WARNING, ha,
2130                                     "Memory Allocation failed - ms_iocb\n");
2131
2132                                 qla2x00_mem_free(ha);
2133                                 msleep(100);
2134
2135                                 continue;
2136                         }
2137                         memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
2138
2139                         /*
2140                          * Get consistent memory allocated for CT SNS
2141                          * commands
2142                          */
2143                         ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2144                             sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
2145                             GFP_KERNEL);
2146                         if (ha->ct_sns == NULL) {
2147                                 /* error */
2148                                 qla_printk(KERN_WARNING, ha,
2149                                     "Memory Allocation failed - ct_sns\n");
2150
2151                                 qla2x00_mem_free(ha);
2152                                 msleep(100);
2153
2154                                 continue;
2155                         }
2156                         memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
2157
2158                         if (IS_FWI2_CAPABLE(ha)) {
2159                                 /*
2160                                  * Get consistent memory allocated for SFP
2161                                  * block.
2162                                  */
2163                                 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool,
2164                                     GFP_KERNEL, &ha->sfp_data_dma);
2165                                 if (ha->sfp_data == NULL) {
2166                                         qla_printk(KERN_WARNING, ha,
2167                                             "Memory Allocation failed - "
2168                                             "sfp_data\n");
2169
2170                                         qla2x00_mem_free(ha);
2171                                         msleep(100);
2172
2173                                         continue;
2174                                 }
2175                                 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
2176                         }
2177                 }
2178
2179                 /* Get memory for cached NVRAM */
2180                 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2181                 if (ha->nvram == NULL) {
2182                         /* error */
2183                         qla_printk(KERN_WARNING, ha,
2184                             "Memory Allocation failed - nvram cache\n");
2185
2186                         qla2x00_mem_free(ha);
2187                         msleep(100);
2188
2189                         continue;
2190                 }
2191
2192                 /* Done all allocations without any error. */
2193                 status = 0;
2194
2195         } while (retry-- && status != 0);
2196
2197         if (status) {
2198                 printk(KERN_WARNING
2199                         "%s(): **** FAILED ****\n", __func__);
2200         }
2201
2202         return(status);
2203 }
2204
2205 /*
2206 * qla2x00_mem_free
2207 *      Frees all adapter allocated memory.
2208 *
2209 * Input:
2210 *      ha = adapter block pointer.
2211 */
2212 static void
2213 qla2x00_mem_free(scsi_qla_host_t *ha)
2214 {
2215         struct list_head        *fcpl, *fcptemp;
2216         fc_port_t       *fcport;
2217
2218         if (ha == NULL) {
2219                 /* error */
2220                 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2221                 return;
2222         }
2223
2224         /* free sp pool */
2225         qla2x00_free_sp_pool(ha);
2226
2227         if (ha->fce)
2228                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2229                     ha->fce_dma);
2230
2231         if (ha->fw_dump) {
2232                 if (ha->eft)
2233                         dma_free_coherent(&ha->pdev->dev,
2234                             ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2235                 vfree(ha->fw_dump);
2236         }
2237
2238         if (ha->sns_cmd)
2239                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2240                     ha->sns_cmd, ha->sns_cmd_dma);
2241
2242         if (ha->ct_sns)
2243                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2244                     ha->ct_sns, ha->ct_sns_dma);
2245
2246         if (ha->sfp_data)
2247                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2248
2249         if (ha->ms_iocb)
2250                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2251
2252         if (ha->s_dma_pool)
2253                 dma_pool_destroy(ha->s_dma_pool);
2254
2255         if (ha->init_cb)
2256                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2257                     ha->init_cb, ha->init_cb_dma);
2258
2259         if (ha->gid_list)
2260                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2261                     ha->gid_list_dma);
2262
2263         if (ha->response_ring)
2264                 dma_free_coherent(&ha->pdev->dev,
2265                     (ha->response_q_length + 1) * sizeof(response_t),
2266                     ha->response_ring, ha->response_dma);
2267
2268         if (ha->request_ring)
2269                 dma_free_coherent(&ha->pdev->dev,
2270                     (ha->request_q_length + 1) * sizeof(request_t),
2271                     ha->request_ring, ha->request_dma);
2272
2273         ha->eft = NULL;
2274         ha->eft_dma = 0;
2275         ha->sns_cmd = NULL;
2276         ha->sns_cmd_dma = 0;
2277         ha->ct_sns = NULL;
2278         ha->ct_sns_dma = 0;
2279         ha->ms_iocb = NULL;
2280         ha->ms_iocb_dma = 0;
2281         ha->init_cb = NULL;
2282         ha->init_cb_dma = 0;
2283
2284         ha->s_dma_pool = NULL;
2285
2286         ha->gid_list = NULL;
2287         ha->gid_list_dma = 0;
2288
2289         ha->response_ring = NULL;
2290         ha->response_dma = 0;
2291         ha->request_ring = NULL;
2292         ha->request_dma = 0;
2293
2294         list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2295                 fcport = list_entry(fcpl, fc_port_t, list);
2296
2297                 /* fc ports */
2298                 list_del_init(&fcport->list);
2299                 kfree(fcport);
2300         }
2301         INIT_LIST_HEAD(&ha->fcports);
2302
2303         ha->fw_dump = NULL;
2304         ha->fw_dumped = 0;
2305         ha->fw_dump_reading = 0;
2306
2307         vfree(ha->optrom_buffer);
2308         kfree(ha->nvram);
2309 }
2310
2311 /*
2312  * qla2x00_allocate_sp_pool
2313  *       This routine is called during initialization to allocate
2314  *       memory for local srb_t.
2315  *
2316  * Input:
2317  *       ha   = adapter block pointer.
2318  *
2319  * Context:
2320  *      Kernel context.
2321  */
2322 static int
2323 qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
2324 {
2325         int      rval;
2326
2327         rval = QLA_SUCCESS;
2328         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2329         if (ha->srb_mempool == NULL) {
2330                 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2331                 rval = QLA_FUNCTION_FAILED;
2332         }
2333         return (rval);
2334 }
2335
2336 /*
2337  *  This routine frees all adapter allocated memory.
2338  *
2339  */
2340 static void
2341 qla2x00_free_sp_pool( scsi_qla_host_t *ha)
2342 {
2343         if (ha->srb_mempool) {
2344                 mempool_destroy(ha->srb_mempool);
2345                 ha->srb_mempool = NULL;
2346         }
2347 }
2348
2349 /**************************************************************************
2350 * qla2x00_do_dpc
2351 *   This kernel thread is a task that is schedule by the interrupt handler
2352 *   to perform the background processing for interrupts.
2353 *
2354 * Notes:
2355 * This task always run in the context of a kernel thread.  It
2356 * is kick-off by the driver's detect code and starts up
2357 * up one per adapter. It immediately goes to sleep and waits for
2358 * some fibre event.  When either the interrupt handler or
2359 * the timer routine detects a event it will one of the task
2360 * bits then wake us up.
2361 **************************************************************************/
2362 static int
2363 qla2x00_do_dpc(void *data)
2364 {
2365         int             rval;
2366         scsi_qla_host_t *ha;
2367         fc_port_t       *fcport;
2368         uint8_t         status;
2369         uint16_t        next_loopid;
2370
2371         ha = (scsi_qla_host_t *)data;
2372
2373         set_user_nice(current, -20);
2374
2375         while (!kthread_should_stop()) {
2376                 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2377
2378                 set_current_state(TASK_INTERRUPTIBLE);
2379                 schedule();
2380                 __set_current_state(TASK_RUNNING);
2381
2382                 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2383
2384                 /* Initialization not yet finished. Don't do anything yet. */
2385                 if (!ha->flags.init_done)
2386                         continue;
2387
2388                 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2389
2390                 ha->dpc_active = 1;
2391
2392                 if (ha->flags.mbox_busy) {
2393                         ha->dpc_active = 0;
2394                         continue;
2395                 }
2396
2397                 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2398
2399                         DEBUG(printk("scsi(%ld): dpc: sched "
2400                             "qla2x00_abort_isp ha = %p\n",
2401                             ha->host_no, ha));
2402                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2403                             &ha->dpc_flags))) {
2404
2405                                 if (qla2x00_abort_isp(ha)) {
2406                                         /* failed. retry later */
2407                                         set_bit(ISP_ABORT_NEEDED,
2408                                             &ha->dpc_flags);
2409                                 }
2410                                 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2411                         }
2412                         DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2413                             ha->host_no));
2414                 }
2415
2416                 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2417                         qla2x00_update_fcports(ha);
2418
2419                 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2420                         DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2421                             ha->host_no));
2422                         qla2x00_loop_reset(ha);
2423                 }
2424
2425                 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2426                     (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2427
2428                         DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2429                             ha->host_no));
2430
2431                         qla2x00_rst_aen(ha);
2432                         clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2433                 }
2434
2435                 /* Retry each device up to login retry count */
2436                 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2437                     !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2438                     atomic_read(&ha->loop_state) != LOOP_DOWN) {
2439
2440                         DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2441                             ha->host_no));
2442
2443                         next_loopid = 0;
2444                         list_for_each_entry(fcport, &ha->fcports, list) {
2445                                 /*
2446                                  * If the port is not ONLINE then try to login
2447                                  * to it if we haven't run out of retries.
2448                                  */
2449                                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2450                                     fcport->login_retry) {
2451
2452                                         if (fcport->flags & FCF_FABRIC_DEVICE) {
2453                                                 if (fcport->flags &
2454                                                     FCF_TAPE_PRESENT)
2455                                                         ha->isp_ops->fabric_logout(
2456                                                             ha, fcport->loop_id,
2457                                                             fcport->d_id.b.domain,
2458                                                             fcport->d_id.b.area,
2459                                                             fcport->d_id.b.al_pa);
2460                                                 status = qla2x00_fabric_login(
2461                                                     ha, fcport, &next_loopid);
2462                                         } else
2463                                                 status =
2464                                                     qla2x00_local_device_login(
2465                                                         ha, fcport);
2466
2467                                         fcport->login_retry--;
2468                                         if (status == QLA_SUCCESS) {
2469                                                 fcport->old_loop_id = fcport->loop_id;
2470
2471                                                 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2472                                                     ha->host_no, fcport->loop_id));
2473
2474                                                 qla2x00_update_fcport(ha,
2475                                                     fcport);
2476                                         } else if (status == 1) {
2477                                                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2478                                                 /* retry the login again */
2479                                                 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2480                                                     ha->host_no,
2481                                                     fcport->login_retry, fcport->loop_id));
2482                                         } else {
2483                                                 fcport->login_retry = 0;
2484                                         }
2485                                         if (fcport->login_retry == 0)
2486                                                 fcport->loop_id = FC_NO_LOOP_ID;
2487                                 }
2488                                 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2489                                         break;
2490                         }
2491                         DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2492                             ha->host_no));
2493                 }
2494
2495                 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2496                     atomic_read(&ha->loop_state) != LOOP_DOWN) {
2497
2498                         clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2499                         DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2500                             ha->host_no));
2501
2502                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2503
2504                         DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2505                             ha->host_no));
2506                 }
2507
2508                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2509
2510                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2511                             ha->host_no));
2512
2513                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2514                             &ha->dpc_flags))) {
2515
2516                                 rval = qla2x00_loop_resync(ha);
2517
2518                                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2519                         }
2520
2521                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2522                             ha->host_no));
2523                 }
2524
2525                 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2526
2527                         DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2528                             ha->host_no));
2529
2530                         qla2x00_rescan_fcports(ha);
2531
2532                         DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2533                             "end.\n",
2534                             ha->host_no));
2535                 }
2536
2537                 if (!ha->interrupts_on)
2538                         ha->isp_ops->enable_intrs(ha);
2539
2540                 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2541                         ha->isp_ops->beacon_blink(ha);
2542
2543                 qla2x00_do_dpc_all_vps(ha);
2544
2545                 ha->dpc_active = 0;
2546         } /* End of while(1) */
2547
2548         DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2549
2550         /*
2551          * Make sure that nobody tries to wake us up again.
2552          */
2553         ha->dpc_active = 0;
2554
2555         return 0;
2556 }
2557
2558 void
2559 qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2560 {
2561         if (ha->dpc_thread)
2562                 wake_up_process(ha->dpc_thread);
2563 }
2564
2565 /*
2566 *  qla2x00_rst_aen
2567 *      Processes asynchronous reset.
2568 *
2569 * Input:
2570 *      ha  = adapter block pointer.
2571 */
2572 static void
2573 qla2x00_rst_aen(scsi_qla_host_t *ha)
2574 {
2575         if (ha->flags.online && !ha->flags.reset_active &&
2576             !atomic_read(&ha->loop_down_timer) &&
2577             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2578                 do {
2579                         clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2580
2581                         /*
2582                          * Issue marker command only when we are going to start
2583                          * the I/O.
2584                          */
2585                         ha->marker_needed = 1;
2586                 } while (!atomic_read(&ha->loop_down_timer) &&
2587                     (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2588         }
2589 }
2590
2591 static void
2592 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2593 {
2594         struct scsi_cmnd *cmd = sp->cmd;
2595
2596         if (sp->flags & SRB_DMA_VALID) {
2597                 scsi_dma_unmap(cmd);
2598                 sp->flags &= ~SRB_DMA_VALID;
2599         }
2600         CMD_SP(cmd) = NULL;
2601 }
2602
2603 void
2604 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2605 {
2606         struct scsi_cmnd *cmd = sp->cmd;
2607
2608         qla2x00_sp_free_dma(ha, sp);
2609
2610         mempool_free(sp, ha->srb_mempool);
2611
2612         cmd->scsi_done(cmd);
2613 }
2614
2615 /**************************************************************************
2616 *   qla2x00_timer
2617 *
2618 * Description:
2619 *   One second timer
2620 *
2621 * Context: Interrupt
2622 ***************************************************************************/
2623 void
2624 qla2x00_timer(scsi_qla_host_t *ha)
2625 {
2626         unsigned long   cpu_flags = 0;
2627         fc_port_t       *fcport;
2628         int             start_dpc = 0;
2629         int             index;
2630         srb_t           *sp;
2631         int             t;
2632         scsi_qla_host_t *pha = to_qla_parent(ha);
2633
2634         /*
2635          * Ports - Port down timer.
2636          *
2637          * Whenever, a port is in the LOST state we start decrementing its port
2638          * down timer every second until it reaches zero. Once  it reaches zero
2639          * the port it marked DEAD.
2640          */
2641         t = 0;
2642         list_for_each_entry(fcport, &ha->fcports, list) {
2643                 if (fcport->port_type != FCT_TARGET)
2644                         continue;
2645
2646                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2647
2648                         if (atomic_read(&fcport->port_down_timer) == 0)
2649                                 continue;
2650
2651                         if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2652                                 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2653
2654                         DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2655                             "%d remaining\n",
2656                             ha->host_no,
2657                             t, atomic_read(&fcport->port_down_timer)));
2658                 }
2659                 t++;
2660         } /* End of for fcport  */
2661
2662
2663         /* Loop down handler. */
2664         if (atomic_read(&ha->loop_down_timer) > 0 &&
2665             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2666
2667                 if (atomic_read(&ha->loop_down_timer) ==
2668                     ha->loop_down_abort_time) {
2669
2670                         DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2671                             "queues before time expire\n",
2672                             ha->host_no));
2673
2674                         if (!IS_QLA2100(ha) && ha->link_down_timeout)
2675                                 atomic_set(&ha->loop_state, LOOP_DEAD);
2676
2677                         /* Schedule an ISP abort to return any tape commands. */
2678                         /* NPIV - scan physical port only */
2679                         if (!ha->parent) {
2680                                 spin_lock_irqsave(&ha->hardware_lock,
2681                                     cpu_flags);
2682                                 for (index = 1;
2683                                     index < MAX_OUTSTANDING_COMMANDS;
2684                                     index++) {
2685                                         fc_port_t *sfcp;
2686
2687                                         sp = ha->outstanding_cmds[index];
2688                                         if (!sp)
2689                                                 continue;
2690                                         sfcp = sp->fcport;
2691                                         if (!(sfcp->flags & FCF_TAPE_PRESENT))
2692                                                 continue;
2693
2694                                         set_bit(ISP_ABORT_NEEDED,
2695                                             &ha->dpc_flags);
2696                                         break;
2697                                 }
2698                                 spin_unlock_irqrestore(&ha->hardware_lock,
2699                                     cpu_flags);
2700                         }
2701                         set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2702                         start_dpc++;
2703                 }
2704
2705                 /* if the loop has been down for 4 minutes, reinit adapter */
2706                 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2707                         DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2708                             "restarting queues.\n",
2709                             ha->host_no));
2710
2711                         set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2712                         start_dpc++;
2713
2714                         if (!(ha->device_flags & DFLG_NO_CABLE)) {
2715                                 DEBUG(printk("scsi(%ld): Loop down - "
2716                                     "aborting ISP.\n",
2717                                     ha->host_no));
2718                                 qla_printk(KERN_WARNING, ha,
2719                                     "Loop down - aborting ISP.\n");
2720
2721                                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2722                         }
2723                 }
2724                 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2725                     ha->host_no,
2726                     atomic_read(&ha->loop_down_timer)));
2727         }
2728
2729         /* Check if beacon LED needs to be blinked */
2730         if (ha->beacon_blink_led == 1) {
2731                 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2732                 start_dpc++;
2733         }
2734
2735         /* Schedule the DPC routine if needed */
2736         if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2737             test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2738             test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
2739             test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
2740             start_dpc ||
2741             test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
2742             test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2743             test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2744             test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
2745             test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2746                 qla2xxx_wake_dpc(pha);
2747
2748         qla2x00_restart_timer(ha, WATCH_INTERVAL);
2749 }
2750
2751 /* Firmware interface routines. */
2752
2753 #define FW_BLOBS        6
2754 #define FW_ISP21XX      0
2755 #define FW_ISP22XX      1
2756 #define FW_ISP2300      2
2757 #define FW_ISP2322      3
2758 #define FW_ISP24XX      4
2759 #define FW_ISP25XX      5
2760
2761 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2762 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2763 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2764 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2765 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2766 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2767
2768 static DECLARE_MUTEX(qla_fw_lock);
2769
2770 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2771         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2772         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2773         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2774         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2775         { .name = FW_FILE_ISP24XX, },
2776         { .name = FW_FILE_ISP25XX, },
2777 };
2778
2779 struct fw_blob *
2780 qla2x00_request_firmware(scsi_qla_host_t *ha)
2781 {
2782         struct fw_blob *blob;
2783
2784         blob = NULL;
2785         if (IS_QLA2100(ha)) {
2786                 blob = &qla_fw_blobs[FW_ISP21XX];
2787         } else if (IS_QLA2200(ha)) {
2788                 blob = &qla_fw_blobs[FW_ISP22XX];
2789         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2790                 blob = &qla_fw_blobs[FW_ISP2300];
2791         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2792                 blob = &qla_fw_blobs[FW_ISP2322];
2793         } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
2794                 blob = &qla_fw_blobs[FW_ISP24XX];
2795         } else if (IS_QLA25XX(ha)) {
2796                 blob = &qla_fw_blobs[FW_ISP25XX];
2797         }
2798
2799         down(&qla_fw_lock);
2800         if (blob->fw)
2801                 goto out;
2802
2803         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2804                 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2805                     "(%s).\n", ha->host_no, blob->name));
2806                 blob->fw = NULL;
2807                 blob = NULL;
2808                 goto out;
2809         }
2810
2811 out:
2812         up(&qla_fw_lock);
2813         return blob;
2814 }
2815
2816 static void
2817 qla2x00_release_firmware(void)
2818 {
2819         int idx;
2820
2821         down(&qla_fw_lock);
2822         for (idx = 0; idx < FW_BLOBS; idx++)
2823                 if (qla_fw_blobs[idx].fw)
2824                         release_firmware(qla_fw_blobs[idx].fw);
2825         up(&qla_fw_lock);
2826 }
2827
2828 static pci_ers_result_t
2829 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2830 {
2831         switch (state) {
2832         case pci_channel_io_normal:
2833                 return PCI_ERS_RESULT_CAN_RECOVER;
2834         case pci_channel_io_frozen:
2835                 pci_disable_device(pdev);
2836                 return PCI_ERS_RESULT_NEED_RESET;
2837         case pci_channel_io_perm_failure:
2838                 qla2x00_remove_one(pdev);
2839                 return PCI_ERS_RESULT_DISCONNECT;
2840         }
2841         return PCI_ERS_RESULT_NEED_RESET;
2842 }
2843
2844 static pci_ers_result_t
2845 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2846 {
2847         int risc_paused = 0;
2848         uint32_t stat;
2849         unsigned long flags;
2850         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2851         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2852         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2853
2854         spin_lock_irqsave(&ha->hardware_lock, flags);
2855         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2856                 stat = RD_REG_DWORD(&reg->hccr);
2857                 if (stat & HCCR_RISC_PAUSE)
2858                         risc_paused = 1;
2859         } else if (IS_QLA23XX(ha)) {
2860                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2861                 if (stat & HSR_RISC_PAUSED)
2862                         risc_paused = 1;
2863         } else if (IS_FWI2_CAPABLE(ha)) {
2864                 stat = RD_REG_DWORD(&reg24->host_status);
2865                 if (stat & HSRX_RISC_PAUSED)
2866                         risc_paused = 1;
2867         }
2868         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2869
2870         if (risc_paused) {
2871                 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2872                     "Dumping firmware!\n");
2873                 ha->isp_ops->fw_dump(ha, 0);
2874
2875                 return PCI_ERS_RESULT_NEED_RESET;
2876         } else
2877                 return PCI_ERS_RESULT_RECOVERED;
2878 }
2879
2880 static pci_ers_result_t
2881 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2882 {
2883         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2884         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2885         int rc;
2886
2887         if (ha->mem_only)
2888                 rc = pci_enable_device_mem(pdev);
2889         else
2890                 rc = pci_enable_device(pdev);
2891
2892         if (rc) {
2893                 qla_printk(KERN_WARNING, ha,
2894                     "Can't re-enable PCI device after reset.\n");
2895
2896                 return ret;
2897         }
2898         pci_set_master(pdev);
2899
2900         if (ha->isp_ops->pci_config(ha))
2901                 return ret;
2902
2903         set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2904         if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2905                 ret =  PCI_ERS_RESULT_RECOVERED;
2906         clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2907
2908         return ret;
2909 }
2910
2911 static void
2912 qla2xxx_pci_resume(struct pci_dev *pdev)
2913 {
2914         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2915         int ret;
2916
2917         ret = qla2x00_wait_for_hba_online(ha);
2918         if (ret != QLA_SUCCESS) {
2919                 qla_printk(KERN_ERR, ha,
2920                     "the device failed to resume I/O "
2921                     "from slot/link_reset");
2922         }
2923         pci_cleanup_aer_uncorrect_error_status(pdev);
2924 }
2925
2926 static struct pci_error_handlers qla2xxx_err_handler = {
2927         .error_detected = qla2xxx_pci_error_detected,
2928         .mmio_enabled = qla2xxx_pci_mmio_enabled,
2929         .slot_reset = qla2xxx_pci_slot_reset,
2930         .resume = qla2xxx_pci_resume,
2931 };
2932
2933 static struct pci_device_id qla2xxx_pci_tbl[] = {
2934         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2935         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2936         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2937         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2938         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2939         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2940         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2941         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2942         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2943         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2944         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
2945         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
2946         { 0 },
2947 };
2948 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2949
2950 static struct pci_driver qla2xxx_pci_driver = {
2951         .name           = QLA2XXX_DRIVER_NAME,
2952         .driver         = {
2953                 .owner          = THIS_MODULE,
2954         },
2955         .id_table       = qla2xxx_pci_tbl,
2956         .probe          = qla2x00_probe_one,
2957         .remove         = qla2x00_remove_one,
2958         .err_handler    = &qla2xxx_err_handler,
2959 };
2960
2961 /**
2962  * qla2x00_module_init - Module initialization.
2963  **/
2964 static int __init
2965 qla2x00_module_init(void)
2966 {
2967         int ret = 0;
2968
2969         /* Allocate cache for SRBs. */
2970         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2971             SLAB_HWCACHE_ALIGN, NULL);
2972         if (srb_cachep == NULL) {
2973                 printk(KERN_ERR
2974                     "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2975                 return -ENOMEM;
2976         }
2977
2978         /* Derive version string. */
2979         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2980         if (ql2xextended_error_logging)
2981                 strcat(qla2x00_version_str, "-debug");
2982
2983         qla2xxx_transport_template =
2984             fc_attach_transport(&qla2xxx_transport_functions);
2985         if (!qla2xxx_transport_template) {
2986                 kmem_cache_destroy(srb_cachep);
2987                 return -ENODEV;
2988         }
2989         qla2xxx_transport_vport_template =
2990             fc_attach_transport(&qla2xxx_transport_vport_functions);
2991         if (!qla2xxx_transport_vport_template) {
2992                 kmem_cache_destroy(srb_cachep);
2993                 fc_release_transport(qla2xxx_transport_template);
2994                 return -ENODEV;
2995         }
2996
2997         printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
2998         ret = pci_register_driver(&qla2xxx_pci_driver);
2999         if (ret) {
3000                 kmem_cache_destroy(srb_cachep);
3001                 fc_release_transport(qla2xxx_transport_template);
3002                 fc_release_transport(qla2xxx_transport_vport_template);
3003         }
3004         return ret;
3005 }
3006
3007 /**
3008  * qla2x00_module_exit - Module cleanup.
3009  **/
3010 static void __exit
3011 qla2x00_module_exit(void)
3012 {
3013         pci_unregister_driver(&qla2xxx_pci_driver);
3014         qla2x00_release_firmware();
3015         kmem_cache_destroy(srb_cachep);
3016         fc_release_transport(qla2xxx_transport_template);
3017         fc_release_transport(qla2xxx_transport_vport_template);
3018 }
3019
3020 module_init(qla2x00_module_init);
3021 module_exit(qla2x00_module_exit);
3022
3023 MODULE_AUTHOR("QLogic Corporation");
3024 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3025 MODULE_LICENSE("GPL");
3026 MODULE_VERSION(QLA2XXX_VERSION);
3027 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3028 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3029 MODULE_FIRMWARE(FW_FILE_ISP2300);
3030 MODULE_FIRMWARE(FW_FILE_ISP2322);
3031 MODULE_FIRMWARE(FW_FILE_ISP24XX);