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   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 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         .use_sg_chaining        = ENABLE_SG_CHAINING,
 135         .sg_tablesize           = SG_ALL,
 136
 137         /*
 138          * The RISC allows for each command to transfer (2^32-1) bytes of data,
 139          * which equates to 0x800000 sectors.
 140          */
 141         .max_sectors            = 0xFFFF,
 142         .shost_attrs            = qla2x00_host_attrs,
 143 };
 144
 145 struct scsi_host_template qla24xx_driver_template = {
 146         .module                 = THIS_MODULE,
 147         .name                   = QLA2XXX_DRIVER_NAME,
 148         .queuecommand           = qla24xx_queuecommand,
 149
 150         .eh_abort_handler       = qla2xxx_eh_abort,
 151         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 152         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 153         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 154
 155         .slave_configure        = qla2xxx_slave_configure,
 156
 157         .slave_alloc            = qla2xxx_slave_alloc,
 158         .slave_destroy          = qla2xxx_slave_destroy,
 159         .scan_finished          = qla2xxx_scan_finished,
 160         .scan_start             = qla2xxx_scan_start,
 161         .change_queue_depth     = qla2x00_change_queue_depth,
 162         .change_queue_type      = qla2x00_change_queue_type,
 163         .this_id                = -1,
 164         .cmd_per_lun            = 3,
 165         .use_clustering         = ENABLE_CLUSTERING,
 166         .use_sg_chaining        = ENABLE_SG_CHAINING,
 167         .sg_tablesize           = SG_ALL,
 168
 169         .max_sectors            = 0xFFFF,
 170         .shost_attrs            = qla2x00_host_attrs,
 171 };
 172
 173 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 174 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 175
 176 /* TODO Convert to inlines
 177  *
 178  * Timer routines
 179  */
 180
 181 void qla2x00_timer(scsi_qla_host_t *);
 182
 183 __inline__ void qla2x00_start_timer(scsi_qla_host_t *,
 184     void *, unsigned long);
 185 static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long);
 186 __inline__ void qla2x00_stop_timer(scsi_qla_host_t *);
 187
 188 __inline__ void
 189 qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
 190 {
 191         init_timer(&ha->timer);
 192         ha->timer.expires = jiffies + interval * HZ;
 193         ha->timer.data = (unsigned long)ha;
 194         ha->timer.function = (void (*)(unsigned long))func;
 195         add_timer(&ha->timer);
 196         ha->timer_active = 1;
 197 }
 198
 199 static inline void
 200 qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
 201 {
 202         mod_timer(&ha->timer, jiffies + interval * HZ);
 203 }
 204
 205 __inline__ void
 206 qla2x00_stop_timer(scsi_qla_host_t *ha)
 207 {
 208         del_timer_sync(&ha->timer);
 209         ha->timer_active = 0;
 210 }
 211
 212 static int qla2x00_do_dpc(void *data);
 213
 214 static void qla2x00_rst_aen(scsi_qla_host_t *);
 215
 216 uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
 217 void qla2x00_mem_free(scsi_qla_host_t *ha);
 218 static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
 219 static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
 220 static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
 221 void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *);
 222
 223 /* -------------------------------------------------------------------------- */
 224
 225 static char *
 226 qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
 227 {
 228         static char *pci_bus_modes[] = {
 229                 "33", "66", "100", "133",
 230         };
 231         uint16_t pci_bus;
 232
 233         strcpy(str, "PCI");
 234         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 235         if (pci_bus) {
 236                 strcat(str, "-X (");
 237                 strcat(str, pci_bus_modes[pci_bus]);
 238         } else {
 239                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 240                 strcat(str, " (");
 241                 strcat(str, pci_bus_modes[pci_bus]);
 242         }
 243         strcat(str, " MHz)");
 244
 245         return (str);
 246 }
 247
 248 static char *
 249 qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
 250 {
 251         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 252         uint32_t pci_bus;
 253         int pcie_reg;
 254
 255         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 256         if (pcie_reg) {
 257                 char lwstr[6];
 258                 uint16_t pcie_lstat, lspeed, lwidth;
 259
 260                 pcie_reg += 0x12;
 261                 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 262                 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 263                 lwidth = (pcie_lstat &
 264                     (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 265
 266                 strcpy(str, "PCIe (");
 267                 if (lspeed == 1)
 268                         strcat(str, "2.5Gb/s ");
 269                 else if (lspeed == 2)
 270                         strcat(str, "5.0Gb/s ");
 271                 else
 272                         strcat(str, "<unknown> ");
 273                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 274                 strcat(str, lwstr);
 275
 276                 return str;
 277         }
 278
 279         strcpy(str, "PCI");
 280         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 281         if (pci_bus == 0 || pci_bus == 8) {
 282                 strcat(str, " (");
 283                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 284         } else {
 285                 strcat(str, "-X ");
 286                 if (pci_bus & BIT_2)
 287                         strcat(str, "Mode 2");
 288                 else
 289                         strcat(str, "Mode 1");
 290                 strcat(str, " (");
 291                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 292         }
 293         strcat(str, " MHz)");
 294
 295         return str;
 296 }
 297
 298 static char *
 299 qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
 300 {
 301         char un_str[10];
 302
 303         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 304             ha->fw_minor_version,
 305             ha->fw_subminor_version);
 306
 307         if (ha->fw_attributes & BIT_9) {
 308                 strcat(str, "FLX");
 309                 return (str);
 310         }
 311
 312         switch (ha->fw_attributes & 0xFF) {
 313         case 0x7:
 314                 strcat(str, "EF");
 315                 break;
 316         case 0x17:
 317                 strcat(str, "TP");
 318                 break;
 319         case 0x37:
 320                 strcat(str, "IP");
 321                 break;
 322         case 0x77:
 323                 strcat(str, "VI");
 324                 break;
 325         default:
 326                 sprintf(un_str, "(%x)", ha->fw_attributes);
 327                 strcat(str, un_str);
 328                 break;
 329         }
 330         if (ha->fw_attributes & 0x100)
 331                 strcat(str, "X");
 332
 333         return (str);
 334 }
 335
 336 static char *
 337 qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
 338 {
 339         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 340             ha->fw_minor_version,
 341             ha->fw_subminor_version);
 342
 343         if (ha->fw_attributes & BIT_0)
 344                 strcat(str, "[Class 2] ");
 345         if (ha->fw_attributes & BIT_1)
 346                 strcat(str, "[IP] ");
 347         if (ha->fw_attributes & BIT_2)
 348                 strcat(str, "[Multi-ID] ");
 349         if (ha->fw_attributes & BIT_3)
 350                 strcat(str, "[SB-2] ");
 351         if (ha->fw_attributes & BIT_4)
 352                 strcat(str, "[T10 CRC] ");
 353         if (ha->fw_attributes & BIT_5)
 354                 strcat(str, "[VI] ");
 355         if (ha->fw_attributes & BIT_13)
 356                 strcat(str, "[Experimental]");
 357         return str;
 358 }
 359
 360 static inline srb_t *
 361 qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
 362     struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 363 {
 364         srb_t *sp;
 365
 366         sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
 367         if (!sp)
 368                 return sp;
 369
 370         sp->ha = ha;
 371         sp->fcport = fcport;
 372         sp->cmd = cmd;
 373         sp->flags = 0;
 374         CMD_SP(cmd) = (void *)sp;
 375         cmd->scsi_done = done;
 376
 377         return sp;
 378 }
 379
 380 static int
 381 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 382 {
 383         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 384         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 385         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 386         srb_t *sp;
 387         int rval;
 388
 389         if (unlikely(pci_channel_offline(ha->pdev))) {
 390                 cmd->result = DID_REQUEUE << 16;
 391                 goto qc_fail_command;
 392         }
 393
 394         rval = fc_remote_port_chkready(rport);
 395         if (rval) {
 396                 cmd->result = rval;
 397                 goto qc_fail_command;
 398         }
 399
 400         /* Close window on fcport/rport state-transitioning. */
 401         if (!*(fc_port_t **)rport->dd_data) {
 402                 cmd->result = DID_IMM_RETRY << 16;
 403                 goto qc_fail_command;
 404         }
 405
 406         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 407                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 408                     atomic_read(&ha->loop_state) == LOOP_DEAD) {
 409                         cmd->result = DID_NO_CONNECT << 16;
 410                         goto qc_fail_command;
 411                 }
 412                 goto qc_host_busy;
 413         }
 414
 415         spin_unlock_irq(ha->host->host_lock);
 416
 417         sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
 418         if (!sp)
 419                 goto qc_host_busy_lock;
 420
 421         rval = qla2x00_start_scsi(sp);
 422         if (rval != QLA_SUCCESS)
 423                 goto qc_host_busy_free_sp;
 424
 425         spin_lock_irq(ha->host->host_lock);
 426
 427         return 0;
 428
 429 qc_host_busy_free_sp:
 430         qla2x00_sp_free_dma(ha, sp);
 431         mempool_free(sp, ha->srb_mempool);
 432
 433 qc_host_busy_lock:
 434         spin_lock_irq(ha->host->host_lock);
 435
 436 qc_host_busy:
 437         return SCSI_MLQUEUE_HOST_BUSY;
 438
 439 qc_fail_command:
 440         done(cmd);
 441
 442         return 0;
 443 }
 444
 445
 446 static int
 447 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 448 {
 449         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 450         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 451         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 452         srb_t *sp;
 453         int rval;
 454         scsi_qla_host_t *pha = to_qla_parent(ha);
 455
 456         if (unlikely(pci_channel_offline(ha->pdev))) {
 457                 cmd->result = DID_REQUEUE << 16;
 458                 goto qc24_fail_command;
 459         }
 460
 461         rval = fc_remote_port_chkready(rport);
 462         if (rval) {
 463                 cmd->result = rval;
 464                 goto qc24_fail_command;
 465         }
 466
 467         /* Close window on fcport/rport state-transitioning. */
 468         if (!*(fc_port_t **)rport->dd_data) {
 469                 cmd->result = DID_IMM_RETRY << 16;
 470                 goto qc24_fail_command;
 471         }
 472
 473         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 474                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 475                     atomic_read(&pha->loop_state) == LOOP_DEAD) {
 476                         cmd->result = DID_NO_CONNECT << 16;
 477                         goto qc24_fail_command;
 478                 }
 479                 goto qc24_host_busy;
 480         }
 481
 482         spin_unlock_irq(ha->host->host_lock);
 483
 484         sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
 485         if (!sp)
 486                 goto qc24_host_busy_lock;
 487
 488         rval = qla24xx_start_scsi(sp);
 489         if (rval != QLA_SUCCESS)
 490                 goto qc24_host_busy_free_sp;
 491
 492         spin_lock_irq(ha->host->host_lock);
 493
 494         return 0;
 495
 496 qc24_host_busy_free_sp:
 497         qla2x00_sp_free_dma(pha, sp);
 498         mempool_free(sp, pha->srb_mempool);
 499
 500 qc24_host_busy_lock:
 501         spin_lock_irq(ha->host->host_lock);
 502
 503 qc24_host_busy:
 504         return SCSI_MLQUEUE_HOST_BUSY;
 505
 506 qc24_fail_command:
 507         done(cmd);
 508
 509         return 0;
 510 }
 511
 512
 513 /*
 514  * qla2x00_eh_wait_on_command
 515  *    Waits for the command to be returned by the Firmware for some
 516  *    max time.
 517  *
 518  * Input:
 519  *    ha = actual ha whose done queue will contain the command
 520  *            returned by firmware.
 521  *    cmd = Scsi Command to wait on.
 522  *    flag = Abort/Reset(Bus or Device Reset)
 523  *
 524  * Return:
 525  *    Not Found : 0
 526  *    Found : 1
 527  */
 528 static int
 529 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
 530 {
 531 #define ABORT_POLLING_PERIOD    1000
 532 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 533         unsigned long wait_iter = ABORT_WAIT_ITER;
 534         int ret = QLA_SUCCESS;
 535
 536         while (CMD_SP(cmd)) {
 537                 msleep(ABORT_POLLING_PERIOD);
 538
 539                 if (--wait_iter)
 540                         break;
 541         }
 542         if (CMD_SP(cmd))
 543                 ret = QLA_FUNCTION_FAILED;
 544
 545         return ret;
 546 }
 547
 548 /*
 549  * qla2x00_wait_for_hba_online
 550  *    Wait till the HBA is online after going through
 551  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 552  *    finally HBA is disabled ie marked offline
 553  *
 554  * Input:
 555  *     ha - pointer to host adapter structure
 556  *
 557  * Note:
 558  *    Does context switching-Release SPIN_LOCK
 559  *    (if any) before calling this routine.
 560  *
 561  * Return:
 562  *    Success (Adapter is online) : 0
 563  *    Failed  (Adapter is offline/disabled) : 1
 564  */
 565 int
 566 qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
 567 {
 568         int             return_status;
 569         unsigned long   wait_online;
 570         scsi_qla_host_t *pha = to_qla_parent(ha);
 571
 572         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 573         while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
 574             test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
 575             test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
 576             pha->dpc_active) && time_before(jiffies, wait_online)) {
 577
 578                 msleep(1000);
 579         }
 580         if (pha->flags.online)
 581                 return_status = QLA_SUCCESS;
 582         else
 583                 return_status = QLA_FUNCTION_FAILED;
 584
 585         DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
 586
 587         return (return_status);
 588 }
 589
 590 /*
 591  * qla2x00_wait_for_loop_ready
 592  *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 593  *    to be in LOOP_READY state.
 594  * Input:
 595  *     ha - pointer to host adapter structure
 596  *
 597  * Note:
 598  *    Does context switching-Release SPIN_LOCK
 599  *    (if any) before calling this routine.
 600  *
 601  *
 602  * Return:
 603  *    Success (LOOP_READY) : 0
 604  *    Failed  (LOOP_NOT_READY) : 1
 605  */
 606 static inline int
 607 qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
 608 {
 609         int      return_status = QLA_SUCCESS;
 610         unsigned long loop_timeout ;
 611         scsi_qla_host_t *pha = to_qla_parent(ha);
 612
 613         /* wait for 5 min at the max for loop to be ready */
 614         loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 615
 616         while ((!atomic_read(&pha->loop_down_timer) &&
 617             atomic_read(&pha->loop_state) == LOOP_DOWN) ||
 618             atomic_read(&pha->loop_state) != LOOP_READY) {
 619                 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
 620                         return_status = QLA_FUNCTION_FAILED;
 621                         break;
 622                 }
 623                 msleep(1000);
 624                 if (time_after_eq(jiffies, loop_timeout)) {
 625                         return_status = QLA_FUNCTION_FAILED;
 626                         break;
 627                 }
 628         }
 629         return (return_status);
 630 }
 631
 632 static void
 633 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
 634 {
 635         struct Scsi_Host *shost = cmnd->device->host;
 636         struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
 637         unsigned long flags;
 638
 639         spin_lock_irqsave(shost->host_lock, flags);
 640         while (rport->port_state == FC_PORTSTATE_BLOCKED) {
 641                 spin_unlock_irqrestore(shost->host_lock, flags);
 642                 msleep(1000);
 643                 spin_lock_irqsave(shost->host_lock, flags);
 644         }
 645         spin_unlock_irqrestore(shost->host_lock, flags);
 646         return;
 647 }
 648
 649 /**************************************************************************
 650 * qla2xxx_eh_abort
 651 *
 652 * Description:
 653 *    The abort function will abort the specified command.
 654 *
 655 * Input:
 656 *    cmd = Linux SCSI command packet to be aborted.
 657 *
 658 * Returns:
 659 *    Either SUCCESS or FAILED.
 660 *
 661 * Note:
 662 *    Only return FAILED if command not returned by firmware.
 663 **************************************************************************/
 664 static int
 665 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 666 {
 667         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 668         srb_t *sp;
 669         int ret, i;
 670         unsigned int id, lun;
 671         unsigned long serial;
 672         unsigned long flags;
 673         int wait = 0;
 674         scsi_qla_host_t *pha = to_qla_parent(ha);
 675
 676         qla2x00_block_error_handler(cmd);
 677
 678         if (!CMD_SP(cmd))
 679                 return SUCCESS;
 680
 681         ret = SUCCESS;
 682
 683         id = cmd->device->id;
 684         lun = cmd->device->lun;
 685         serial = cmd->serial_number;
 686
 687         /* Check active list for command command. */
 688         spin_lock_irqsave(&pha->hardware_lock, flags);
 689         for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
 690                 sp = pha->outstanding_cmds[i];
 691
 692                 if (sp == NULL)
 693                         continue;
 694
 695                 if (sp->cmd != cmd)
 696                         continue;
 697
 698                 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
 699                     __func__, ha->host_no, sp, serial));
 700                 DEBUG3(qla2x00_print_scsi_cmd(cmd));
 701
 702                 spin_unlock_irqrestore(&pha->hardware_lock, flags);
 703                 if (ha->isp_ops->abort_command(ha, sp)) {
 704                         DEBUG2(printk("%s(%ld): abort_command "
 705                             "mbx failed.\n", __func__, ha->host_no));
 706                 } else {
 707                         DEBUG3(printk("%s(%ld): abort_command "
 708                             "mbx success.\n", __func__, ha->host_no));
 709                         wait = 1;
 710                 }
 711                 spin_lock_irqsave(&pha->hardware_lock, flags);
 712
 713                 break;
 714         }
 715         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 716
 717         /* Wait for the command to be returned. */
 718         if (wait) {
 719                 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
 720                         qla_printk(KERN_ERR, ha,
 721                             "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
 722                             "%x.\n", ha->host_no, id, lun, serial, ret);
 723                         ret = FAILED;
 724                 }
 725         }
 726
 727         qla_printk(KERN_INFO, ha,
 728             "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
 729             ha->host_no, id, lun, wait, serial, ret);
 730
 731         return ret;
 732 }
 733
 734 /**************************************************************************
 735 * qla2x00_eh_wait_for_pending_target_commands
 736 *
 737 * Description:
 738 *    Waits for all the commands to come back from the specified target.
 739 *
 740 * Input:
 741 *    ha - pointer to scsi_qla_host structure.
 742 *    t  - target
 743 * Returns:
 744 *    Either SUCCESS or FAILED.
 745 *
 746 * Note:
 747 **************************************************************************/
 748 static int
 749 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
 750 {
 751         int     cnt;
 752         int     status;
 753         srb_t           *sp;
 754         struct scsi_cmnd *cmd;
 755         unsigned long flags;
 756         scsi_qla_host_t *pha = to_qla_parent(ha);
 757
 758         status = 0;
 759
 760         /*
 761          * Waiting for all commands for the designated target in the active
 762          * array
 763          */
 764         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 765                 spin_lock_irqsave(&pha->hardware_lock, flags);
 766                 sp = pha->outstanding_cmds[cnt];
 767                 if (sp) {
 768                         cmd = sp->cmd;
 769                         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 770                         if (cmd->device->id == t &&
 771                             ha->vp_idx == sp->ha->vp_idx) {
 772                                 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
 773                                         status = 1;
 774                                         break;
 775                                 }
 776                         }
 777                 } else {
 778                         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 779                 }
 780         }
 781         return (status);
 782 }
 783
 784
 785 /**************************************************************************
 786 * qla2xxx_eh_device_reset
 787 *
 788 * Description:
 789 *    The device reset function will reset the target and abort any
 790 *    executing commands.
 791 *
 792 *    NOTE: The use of SP is undefined within this context.  Do *NOT*
 793 *          attempt to use this value, even if you determine it is
 794 *          non-null.
 795 *
 796 * Input:
 797 *    cmd = Linux SCSI command packet of the command that cause the
 798 *          bus device reset.
 799 *
 800 * Returns:
 801 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 802 *
 803 **************************************************************************/
 804 static int
 805 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
 806 {
 807         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 808         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 809         int ret = FAILED;
 810         unsigned int id, lun;
 811         unsigned long serial;
 812
 813         qla2x00_block_error_handler(cmd);
 814
 815         id = cmd->device->id;
 816         lun = cmd->device->lun;
 817         serial = cmd->serial_number;
 818
 819         if (!fcport)
 820                 return ret;
 821
 822         qla_printk(KERN_INFO, ha,
 823             "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
 824
 825         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 826                 goto eh_dev_reset_done;
 827
 828         if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
 829                 if (qla2x00_device_reset(ha, fcport) == 0)
 830                         ret = SUCCESS;
 831
 832 #if defined(LOGOUT_AFTER_DEVICE_RESET)
 833                 if (ret == SUCCESS) {
 834                         if (fcport->flags & FC_FABRIC_DEVICE) {
 835                                 ha->isp_ops->fabric_logout(ha, fcport->loop_id);
 836                                 qla2x00_mark_device_lost(ha, fcport, 0, 0);
 837                         }
 838                 }
 839 #endif
 840         } else {
 841                 DEBUG2(printk(KERN_INFO
 842                     "%s failed: loop not ready\n",__func__));
 843         }
 844
 845         if (ret == FAILED) {
 846                 DEBUG3(printk("%s(%ld): device reset failed\n",
 847                     __func__, ha->host_no));
 848                 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
 849                     __func__);
 850
 851                 goto eh_dev_reset_done;
 852         }
 853
 854         /* Flush outstanding commands. */
 855         if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
 856                 ret = FAILED;
 857         if (ret == FAILED) {
 858                 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
 859                     __func__, ha->host_no));
 860                 qla_printk(KERN_INFO, ha,
 861                     "%s: failed while waiting for commands\n", __func__);
 862         } else
 863                 qla_printk(KERN_INFO, ha,
 864                     "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
 865                     id, lun);
 866  eh_dev_reset_done:
 867         return ret;
 868 }
 869
 870 /**************************************************************************
 871 * qla2x00_eh_wait_for_pending_commands
 872 *
 873 * Description:
 874 *    Waits for all the commands to come back from the specified host.
 875 *
 876 * Input:
 877 *    ha - pointer to scsi_qla_host structure.
 878 *
 879 * Returns:
 880 *    1 : SUCCESS
 881 *    0 : FAILED
 882 *
 883 * Note:
 884 **************************************************************************/
 885 static int
 886 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
 887 {
 888         int     cnt;
 889         int     status;
 890         srb_t           *sp;
 891         struct scsi_cmnd *cmd;
 892         unsigned long flags;
 893
 894         status = 1;
 895
 896         /*
 897          * Waiting for all commands for the designated target in the active
 898          * array
 899          */
 900         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 901                 spin_lock_irqsave(&ha->hardware_lock, flags);
 902                 sp = ha->outstanding_cmds[cnt];
 903                 if (sp) {
 904                         cmd = sp->cmd;
 905                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 906                         status = qla2x00_eh_wait_on_command(ha, cmd);
 907                         if (status == 0)
 908                                 break;
 909                 }
 910                 else {
 911                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 912                 }
 913         }
 914         return (status);
 915 }
 916
 917
 918 /**************************************************************************
 919 * qla2xxx_eh_bus_reset
 920 *
 921 * Description:
 922 *    The bus reset function will reset the bus and abort any executing
 923 *    commands.
 924 *
 925 * Input:
 926 *    cmd = Linux SCSI command packet of the command that cause the
 927 *          bus reset.
 928 *
 929 * Returns:
 930 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 931 *
 932 **************************************************************************/
 933 static int
 934 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 935 {
 936         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 937         scsi_qla_host_t *pha = to_qla_parent(ha);
 938         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 939         int ret = FAILED;
 940         unsigned int id, lun;
 941         unsigned long serial;
 942
 943         qla2x00_block_error_handler(cmd);
 944
 945         id = cmd->device->id;
 946         lun = cmd->device->lun;
 947         serial = cmd->serial_number;
 948
 949         if (!fcport)
 950                 return ret;
 951
 952         qla_printk(KERN_INFO, ha,
 953             "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
 954
 955         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
 956                 DEBUG2(printk("%s failed:board disabled\n",__func__));
 957                 goto eh_bus_reset_done;
 958         }
 959
 960         if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
 961                 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
 962                         ret = SUCCESS;
 963         }
 964         if (ret == FAILED)
 965                 goto eh_bus_reset_done;
 966
 967         /* Flush outstanding commands. */
 968         if (!qla2x00_eh_wait_for_pending_commands(pha))
 969                 ret = FAILED;
 970
 971 eh_bus_reset_done:
 972         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
 973             (ret == FAILED) ? "failed" : "succeded");
 974
 975         return ret;
 976 }
 977
 978 /**************************************************************************
 979 * qla2xxx_eh_host_reset
 980 *
 981 * Description:
 982 *    The reset function will reset the Adapter.
 983 *
 984 * Input:
 985 *      cmd = Linux SCSI command packet of the command that cause the
 986 *            adapter reset.
 987 *
 988 * Returns:
 989 *      Either SUCCESS or FAILED.
 990 *
 991 * Note:
 992 **************************************************************************/
 993 static int
 994 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 995 {
 996         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 997         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 998         int ret = FAILED;
 999         unsigned int id, lun;
1000         unsigned long serial;
1001         scsi_qla_host_t *pha = to_qla_parent(ha);
1002
1003         qla2x00_block_error_handler(cmd);
1004
1005         id = cmd->device->id;
1006         lun = cmd->device->lun;
1007         serial = cmd->serial_number;
1008
1009         if (!fcport)
1010                 return ret;
1011
1012         qla_printk(KERN_INFO, ha,
1013             "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1014
1015         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1016                 goto eh_host_reset_lock;
1017
1018         /*
1019          * Fixme-may be dpc thread is active and processing
1020          * loop_resync,so wait a while for it to
1021          * be completed and then issue big hammer.Otherwise
1022          * it may cause I/O failure as big hammer marks the
1023          * devices as lost kicking of the port_down_timer
1024          * while dpc is stuck for the mailbox to complete.
1025          */
1026         qla2x00_wait_for_loop_ready(ha);
1027         set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1028         if (qla2x00_abort_isp(pha)) {
1029                 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1030                 /* failed. schedule dpc to try */
1031                 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1032
1033                 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1034                         goto eh_host_reset_lock;
1035         }
1036         clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1037
1038         /* Waiting for our command in done_queue to be returned to OS.*/
1039         if (qla2x00_eh_wait_for_pending_commands(pha))
1040                 ret = SUCCESS;
1041
1042         if (ha->parent)
1043                 qla2x00_vp_abort_isp(ha);
1044
1045 eh_host_reset_lock:
1046         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1047             (ret == FAILED) ? "failed" : "succeded");
1048
1049         return ret;
1050 }
1051
1052 /*
1053 * qla2x00_loop_reset
1054 *      Issue loop reset.
1055 *
1056 * Input:
1057 *      ha = adapter block pointer.
1058 *
1059 * Returns:
1060 *      0 = success
1061 */
1062 int
1063 qla2x00_loop_reset(scsi_qla_host_t *ha)
1064 {
1065         int ret;
1066         struct fc_port *fcport;
1067
1068         if (ha->flags.enable_lip_full_login) {
1069                 ret = qla2x00_full_login_lip(ha);
1070                 if (ret != QLA_SUCCESS) {
1071                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1072                             "full_login_lip=%d.\n", __func__, ha->host_no,
1073                             ret));
1074                 }
1075                 atomic_set(&ha->loop_state, LOOP_DOWN);
1076                 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1077                 qla2x00_mark_all_devices_lost(ha, 0);
1078                 qla2x00_wait_for_loop_ready(ha);
1079         }
1080
1081         if (ha->flags.enable_lip_reset) {
1082                 ret = qla2x00_lip_reset(ha);
1083                 if (ret != QLA_SUCCESS) {
1084                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1085                             "lip_reset=%d.\n", __func__, ha->host_no, ret));
1086                 }
1087                 qla2x00_wait_for_loop_ready(ha);
1088         }
1089
1090         if (ha->flags.enable_target_reset) {
1091                 list_for_each_entry(fcport, &ha->fcports, list) {
1092                         if (fcport->port_type != FCT_TARGET)
1093                                 continue;
1094
1095                         ret = qla2x00_device_reset(ha, fcport);
1096                         if (ret != QLA_SUCCESS) {
1097                                 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1098                                     "target_reset=%d d_id=%x.\n", __func__,
1099                                     ha->host_no, ret, fcport->d_id.b24));
1100                         }
1101                 }
1102         }
1103
1104         /* Issue marker command only when we are going to start the I/O */
1105         ha->marker_needed = 1;
1106
1107         return QLA_SUCCESS;
1108 }
1109
1110 /*
1111  * qla2x00_device_reset
1112  *      Issue bus device reset message to the target.
1113  *
1114  * Input:
1115  *      ha = adapter block pointer.
1116  *      t = SCSI ID.
1117  *      TARGET_QUEUE_LOCK must be released.
1118  *      ADAPTER_STATE_LOCK must be released.
1119  *
1120  * Context:
1121  *      Kernel context.
1122  */
1123 static int
1124 qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1125 {
1126         /* Abort Target command will clear Reservation */
1127         return ha->isp_ops->abort_target(reset_fcport);
1128 }
1129
1130 static int
1131 qla2xxx_slave_alloc(struct scsi_device *sdev)
1132 {
1133         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1134
1135         if (!rport || fc_remote_port_chkready(rport))
1136                 return -ENXIO;
1137
1138         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1139
1140         return 0;
1141 }
1142
1143 static int
1144 qla2xxx_slave_configure(struct scsi_device *sdev)
1145 {
1146         scsi_qla_host_t *ha = shost_priv(sdev->host);
1147         struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1148
1149         if (sdev->tagged_supported)
1150                 scsi_activate_tcq(sdev, ha->max_q_depth);
1151         else
1152                 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1153
1154         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1155
1156         return 0;
1157 }
1158
1159 static void
1160 qla2xxx_slave_destroy(struct scsi_device *sdev)
1161 {
1162         sdev->hostdata = NULL;
1163 }
1164
1165 static int
1166 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1167 {
1168         scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1169         return sdev->queue_depth;
1170 }
1171
1172 static int
1173 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1174 {
1175         if (sdev->tagged_supported) {
1176                 scsi_set_tag_type(sdev, tag_type);
1177                 if (tag_type)
1178                         scsi_activate_tcq(sdev, sdev->queue_depth);
1179                 else
1180                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1181         } else
1182                 tag_type = 0;
1183
1184         return tag_type;
1185 }
1186
1187 /**
1188  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1189  * @ha: HA context
1190  *
1191  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1192  * supported addressing method.
1193  */
1194 static void
1195 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1196 {
1197         /* Assume a 32bit DMA mask. */
1198         ha->flags.enable_64bit_addressing = 0;
1199
1200         if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1201                 /* Any upper-dword bits set? */
1202                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1203                     !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1204                         /* Ok, a 64bit DMA mask is applicable. */
1205                         ha->flags.enable_64bit_addressing = 1;
1206                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1207                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1208                         return;
1209                 }
1210         }
1211
1212         dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1213         pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1214 }
1215
1216 static void
1217 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1218 {
1219         unsigned long flags = 0;
1220         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1221
1222         spin_lock_irqsave(&ha->hardware_lock, flags);
1223         ha->interrupts_on = 1;
1224         /* enable risc and host interrupts */
1225         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1226         RD_REG_WORD(&reg->ictrl);
1227         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1228
1229 }
1230
1231 static void
1232 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1233 {
1234         unsigned long flags = 0;
1235         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1236
1237         spin_lock_irqsave(&ha->hardware_lock, flags);
1238         ha->interrupts_on = 0;
1239         /* disable risc and host interrupts */
1240         WRT_REG_WORD(&reg->ictrl, 0);
1241         RD_REG_WORD(&reg->ictrl);
1242         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1243 }
1244
1245 static void
1246 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1247 {
1248         unsigned long flags = 0;
1249         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1250
1251         spin_lock_irqsave(&ha->hardware_lock, flags);
1252         ha->interrupts_on = 1;
1253         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1254         RD_REG_DWORD(&reg->ictrl);
1255         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1256 }
1257
1258 static void
1259 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1260 {
1261         unsigned long flags = 0;
1262         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1263
1264         spin_lock_irqsave(&ha->hardware_lock, flags);
1265         ha->interrupts_on = 0;
1266         WRT_REG_DWORD(&reg->ictrl, 0);
1267         RD_REG_DWORD(&reg->ictrl);
1268         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1269 }
1270
1271 static struct isp_operations qla2100_isp_ops = {
1272         .pci_config             = qla2100_pci_config,
1273         .reset_chip             = qla2x00_reset_chip,
1274         .chip_diag              = qla2x00_chip_diag,
1275         .config_rings           = qla2x00_config_rings,
1276         .reset_adapter          = qla2x00_reset_adapter,
1277         .nvram_config           = qla2x00_nvram_config,
1278         .update_fw_options      = qla2x00_update_fw_options,
1279         .load_risc              = qla2x00_load_risc,
1280         .pci_info_str           = qla2x00_pci_info_str,
1281         .fw_version_str         = qla2x00_fw_version_str,
1282         .intr_handler           = qla2100_intr_handler,
1283         .enable_intrs           = qla2x00_enable_intrs,
1284         .disable_intrs          = qla2x00_disable_intrs,
1285         .abort_command          = qla2x00_abort_command,
1286         .abort_target           = qla2x00_abort_target,
1287         .fabric_login           = qla2x00_login_fabric,
1288         .fabric_logout          = qla2x00_fabric_logout,
1289         .calc_req_entries       = qla2x00_calc_iocbs_32,
1290         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1291         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1292         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1293         .read_nvram             = qla2x00_read_nvram_data,
1294         .write_nvram            = qla2x00_write_nvram_data,
1295         .fw_dump                = qla2100_fw_dump,
1296         .beacon_on              = NULL,
1297         .beacon_off             = NULL,
1298         .beacon_blink           = NULL,
1299         .read_optrom            = qla2x00_read_optrom_data,
1300         .write_optrom           = qla2x00_write_optrom_data,
1301         .get_flash_version      = qla2x00_get_flash_version,
1302 };
1303
1304 static struct isp_operations qla2300_isp_ops = {
1305         .pci_config             = qla2300_pci_config,
1306         .reset_chip             = qla2x00_reset_chip,
1307         .chip_diag              = qla2x00_chip_diag,
1308         .config_rings           = qla2x00_config_rings,
1309         .reset_adapter          = qla2x00_reset_adapter,
1310         .nvram_config           = qla2x00_nvram_config,
1311         .update_fw_options      = qla2x00_update_fw_options,
1312         .load_risc              = qla2x00_load_risc,
1313         .pci_info_str           = qla2x00_pci_info_str,
1314         .fw_version_str         = qla2x00_fw_version_str,
1315         .intr_handler           = qla2300_intr_handler,
1316         .enable_intrs           = qla2x00_enable_intrs,
1317         .disable_intrs          = qla2x00_disable_intrs,
1318         .abort_command          = qla2x00_abort_command,
1319         .abort_target           = qla2x00_abort_target,
1320         .fabric_login           = qla2x00_login_fabric,
1321         .fabric_logout          = qla2x00_fabric_logout,
1322         .calc_req_entries       = qla2x00_calc_iocbs_32,
1323         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1324         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1325         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1326         .read_nvram             = qla2x00_read_nvram_data,
1327         .write_nvram            = qla2x00_write_nvram_data,
1328         .fw_dump                = qla2300_fw_dump,
1329         .beacon_on              = qla2x00_beacon_on,
1330         .beacon_off             = qla2x00_beacon_off,
1331         .beacon_blink           = qla2x00_beacon_blink,
1332         .read_optrom            = qla2x00_read_optrom_data,
1333         .write_optrom           = qla2x00_write_optrom_data,
1334         .get_flash_version      = qla2x00_get_flash_version,
1335 };
1336
1337 static struct isp_operations qla24xx_isp_ops = {
1338         .pci_config             = qla24xx_pci_config,
1339         .reset_chip             = qla24xx_reset_chip,
1340         .chip_diag              = qla24xx_chip_diag,
1341         .config_rings           = qla24xx_config_rings,
1342         .reset_adapter          = qla24xx_reset_adapter,
1343         .nvram_config           = qla24xx_nvram_config,
1344         .update_fw_options      = qla24xx_update_fw_options,
1345         .load_risc              = qla24xx_load_risc,
1346         .pci_info_str           = qla24xx_pci_info_str,
1347         .fw_version_str         = qla24xx_fw_version_str,
1348         .intr_handler           = qla24xx_intr_handler,
1349         .enable_intrs           = qla24xx_enable_intrs,
1350         .disable_intrs          = qla24xx_disable_intrs,
1351         .abort_command          = qla24xx_abort_command,
1352         .abort_target           = qla24xx_abort_target,
1353         .fabric_login           = qla24xx_login_fabric,
1354         .fabric_logout          = qla24xx_fabric_logout,
1355         .calc_req_entries       = NULL,
1356         .build_iocbs            = NULL,
1357         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1358         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1359         .read_nvram             = qla24xx_read_nvram_data,
1360         .write_nvram            = qla24xx_write_nvram_data,
1361         .fw_dump                = qla24xx_fw_dump,
1362         .beacon_on              = qla24xx_beacon_on,
1363         .beacon_off             = qla24xx_beacon_off,
1364         .beacon_blink           = qla24xx_beacon_blink,
1365         .read_optrom            = qla24xx_read_optrom_data,
1366         .write_optrom           = qla24xx_write_optrom_data,
1367         .get_flash_version      = qla24xx_get_flash_version,
1368 };
1369
1370 static struct isp_operations qla25xx_isp_ops = {
1371         .pci_config             = qla25xx_pci_config,
1372         .reset_chip             = qla24xx_reset_chip,
1373         .chip_diag              = qla24xx_chip_diag,
1374         .config_rings           = qla24xx_config_rings,
1375         .reset_adapter          = qla24xx_reset_adapter,
1376         .nvram_config           = qla24xx_nvram_config,
1377         .update_fw_options      = qla24xx_update_fw_options,
1378         .load_risc              = qla24xx_load_risc,
1379         .pci_info_str           = qla24xx_pci_info_str,
1380         .fw_version_str         = qla24xx_fw_version_str,
1381         .intr_handler           = qla24xx_intr_handler,
1382         .enable_intrs           = qla24xx_enable_intrs,
1383         .disable_intrs          = qla24xx_disable_intrs,
1384         .abort_command          = qla24xx_abort_command,
1385         .abort_target           = qla24xx_abort_target,
1386         .fabric_login           = qla24xx_login_fabric,
1387         .fabric_logout          = qla24xx_fabric_logout,
1388         .calc_req_entries       = NULL,
1389         .build_iocbs            = NULL,
1390         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1391         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1392         .read_nvram             = qla25xx_read_nvram_data,
1393         .write_nvram            = qla25xx_write_nvram_data,
1394         .fw_dump                = qla25xx_fw_dump,
1395         .beacon_on              = qla24xx_beacon_on,
1396         .beacon_off             = qla24xx_beacon_off,
1397         .beacon_blink           = qla24xx_beacon_blink,
1398         .read_optrom            = qla25xx_read_optrom_data,
1399         .write_optrom           = qla24xx_write_optrom_data,
1400         .get_flash_version      = qla24xx_get_flash_version,
1401 };
1402
1403 static inline void
1404 qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1405 {
1406         ha->device_type = DT_EXTENDED_IDS;
1407         switch (ha->pdev->device) {
1408         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1409                 ha->device_type |= DT_ISP2100;
1410                 ha->device_type &= ~DT_EXTENDED_IDS;
1411                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1412                 break;
1413         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1414                 ha->device_type |= DT_ISP2200;
1415                 ha->device_type &= ~DT_EXTENDED_IDS;
1416                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1417                 break;
1418         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1419                 ha->device_type |= DT_ISP2300;
1420                 ha->device_type |= DT_ZIO_SUPPORTED;
1421                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1422                 break;
1423         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1424                 ha->device_type |= DT_ISP2312;
1425                 ha->device_type |= DT_ZIO_SUPPORTED;
1426                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1427                 break;
1428         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1429                 ha->device_type |= DT_ISP2322;
1430                 ha->device_type |= DT_ZIO_SUPPORTED;
1431                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1432                     ha->pdev->subsystem_device == 0x0170)
1433                         ha->device_type |= DT_OEM_001;
1434                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1435                 break;
1436         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1437                 ha->device_type |= DT_ISP6312;
1438                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1439                 break;
1440         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1441                 ha->device_type |= DT_ISP6322;
1442                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1443                 break;
1444         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1445                 ha->device_type |= DT_ISP2422;
1446                 ha->device_type |= DT_ZIO_SUPPORTED;
1447                 ha->device_type |= DT_FWI2;
1448                 ha->device_type |= DT_IIDMA;
1449                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1450                 break;
1451         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1452                 ha->device_type |= DT_ISP2432;
1453                 ha->device_type |= DT_ZIO_SUPPORTED;
1454                 ha->device_type |= DT_FWI2;
1455                 ha->device_type |= DT_IIDMA;
1456                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1457                 break;
1458         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1459                 ha->device_type |= DT_ISP5422;
1460                 ha->device_type |= DT_FWI2;
1461                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1462                 break;
1463         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1464                 ha->device_type |= DT_ISP5432;
1465                 ha->device_type |= DT_FWI2;
1466                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1467                 break;
1468         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1469                 ha->device_type |= DT_ISP2532;
1470                 ha->device_type |= DT_ZIO_SUPPORTED;
1471                 ha->device_type |= DT_FWI2;
1472                 ha->device_type |= DT_IIDMA;
1473                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1474                 break;
1475         }
1476 }
1477
1478 static int
1479 qla2x00_iospace_config(scsi_qla_host_t *ha)
1480 {
1481         resource_size_t pio;
1482
1483         if (pci_request_selected_regions(ha->pdev, ha->bars,
1484             QLA2XXX_DRIVER_NAME)) {
1485                 qla_printk(KERN_WARNING, ha,
1486                     "Failed to reserve PIO/MMIO regions (%s)\n",
1487                     pci_name(ha->pdev));
1488
1489                 goto iospace_error_exit;
1490         }
1491         if (!(ha->bars & 1))
1492                 goto skip_pio;
1493
1494         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1495         pio = pci_resource_start(ha->pdev, 0);
1496         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1497                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1498                         qla_printk(KERN_WARNING, ha,
1499                             "Invalid PCI I/O region size (%s)...\n",
1500                                 pci_name(ha->pdev));
1501                         pio = 0;
1502                 }
1503         } else {
1504                 qla_printk(KERN_WARNING, ha,
1505                     "region #0 not a PIO resource (%s)...\n",
1506                     pci_name(ha->pdev));
1507                 pio = 0;
1508         }
1509         ha->pio_address = pio;
1510
1511 skip_pio:
1512         /* Use MMIO operations for all accesses. */
1513         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1514                 qla_printk(KERN_ERR, ha,
1515                     "region #1 not an MMIO resource (%s), aborting\n",
1516                     pci_name(ha->pdev));
1517                 goto iospace_error_exit;
1518         }
1519         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1520                 qla_printk(KERN_ERR, ha,
1521                     "Invalid PCI mem region size (%s), aborting\n",
1522                         pci_name(ha->pdev));
1523                 goto iospace_error_exit;
1524         }
1525
1526         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1527         if (!ha->iobase) {
1528                 qla_printk(KERN_ERR, ha,
1529                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1530
1531                 goto iospace_error_exit;
1532         }
1533
1534         return (0);
1535
1536 iospace_error_exit:
1537         return (-ENOMEM);
1538 }
1539
1540 static void
1541 qla2xxx_scan_start(struct Scsi_Host *shost)
1542 {
1543         scsi_qla_host_t *ha = shost_priv(shost);
1544
1545         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1546         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1547         set_bit(RSCN_UPDATE, &ha->dpc_flags);
1548 }
1549
1550 static int
1551 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1552 {
1553         scsi_qla_host_t *ha = shost_priv(shost);
1554
1555         if (!ha->host)
1556                 return 1;
1557         if (time > ha->loop_reset_delay * HZ)
1558                 return 1;
1559
1560         return atomic_read(&ha->loop_state) == LOOP_READY;
1561 }
1562
1563 /*
1564  * PCI driver interface
1565  */
1566 static int __devinit
1567 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1568 {
1569         int     ret = -ENODEV;
1570         device_reg_t __iomem *reg;
1571         struct Scsi_Host *host;
1572         scsi_qla_host_t *ha;
1573         unsigned long   flags = 0;
1574         char pci_info[30];
1575         char fw_str[30];
1576         struct scsi_host_template *sht;
1577         int bars;
1578
1579         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1580         sht = &qla2x00_driver_template;
1581         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1582             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1583             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1584             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1585             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1586                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1587                 sht = &qla24xx_driver_template;
1588         }
1589
1590         if (pci_enable_device_bars(pdev, bars))
1591                 goto probe_out;
1592
1593         if (pci_find_aer_capability(pdev))
1594                 if (pci_enable_pcie_error_reporting(pdev))
1595                         goto probe_out;
1596
1597         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1598         if (host == NULL) {
1599                 printk(KERN_WARNING
1600                     "qla2xxx: Couldn't allocate host from scsi layer!\n");
1601                 goto probe_disable_device;
1602         }
1603
1604         /* Clear our data area */
1605         ha = shost_priv(host);
1606         memset(ha, 0, sizeof(scsi_qla_host_t));
1607
1608         ha->pdev = pdev;
1609         ha->host = host;
1610         ha->host_no = host->host_no;
1611         sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
1612         ha->parent = NULL;
1613         ha->bars = bars;
1614
1615         /* Set ISP-type information. */
1616         qla2x00_set_isp_flags(ha);
1617
1618         /* Configure PCI I/O space */
1619         ret = qla2x00_iospace_config(ha);
1620         if (ret)
1621                 goto probe_failed;
1622
1623         qla_printk(KERN_INFO, ha,
1624             "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1625             ha->iobase);
1626
1627         spin_lock_init(&ha->hardware_lock);
1628
1629         ha->prev_topology = 0;
1630         ha->init_cb_size = sizeof(init_cb_t);
1631         ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
1632         ha->link_data_rate = PORT_SPEED_UNKNOWN;
1633         ha->optrom_size = OPTROM_SIZE_2300;
1634
1635         ha->max_q_depth = MAX_Q_DEPTH;
1636         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1637                 ha->max_q_depth = ql2xmaxqdepth;
1638
1639         /* Assign ISP specific operations. */
1640         if (IS_QLA2100(ha)) {
1641                 host->max_id = MAX_TARGETS_2100;
1642                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1643                 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1644                 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1645                 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1646                 host->sg_tablesize = 32;
1647                 ha->gid_list_info_size = 4;
1648                 ha->isp_ops = &qla2100_isp_ops;
1649         } else if (IS_QLA2200(ha)) {
1650                 host->max_id = MAX_TARGETS_2200;
1651                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1652                 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1653                 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1654                 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1655                 ha->gid_list_info_size = 4;
1656                 ha->isp_ops = &qla2100_isp_ops;
1657         } else if (IS_QLA23XX(ha)) {
1658                 host->max_id = MAX_TARGETS_2200;
1659                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1660                 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1661                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1662                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1663                 ha->gid_list_info_size = 6;
1664                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1665                         ha->optrom_size = OPTROM_SIZE_2322;
1666                 ha->isp_ops = &qla2300_isp_ops;
1667         } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1668                 host->max_id = MAX_TARGETS_2200;
1669                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1670                 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1671                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1672                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1673                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1674                 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1675                 ha->gid_list_info_size = 8;
1676                 ha->optrom_size = OPTROM_SIZE_24XX;
1677                 ha->isp_ops = &qla24xx_isp_ops;
1678         } else if (IS_QLA25XX(ha)) {
1679                 host->max_id = MAX_TARGETS_2200;
1680                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1681                 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1682                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1683                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1684                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1685                 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1686                 ha->gid_list_info_size = 8;
1687                 ha->optrom_size = OPTROM_SIZE_25XX;
1688                 ha->isp_ops = &qla25xx_isp_ops;
1689         }
1690         host->can_queue = ha->request_q_length + 128;
1691
1692         /* load the F/W, read paramaters, and init the H/W */
1693         ha->instance = num_hosts;
1694
1695         init_MUTEX(&ha->vport_sem);
1696         init_completion(&ha->mbx_cmd_comp);
1697         complete(&ha->mbx_cmd_comp);
1698         init_completion(&ha->mbx_intr_comp);
1699
1700         INIT_LIST_HEAD(&ha->list);
1701         INIT_LIST_HEAD(&ha->fcports);
1702         INIT_LIST_HEAD(&ha->vp_list);
1703
1704         set_bit(0, (unsigned long *) ha->vp_idx_map);
1705
1706         qla2x00_config_dma_addressing(ha);
1707         if (qla2x00_mem_alloc(ha)) {
1708                 qla_printk(KERN_WARNING, ha,
1709                     "[ERROR] Failed to allocate memory for adapter\n");
1710
1711                 ret = -ENOMEM;
1712                 goto probe_failed;
1713         }
1714
1715         if (qla2x00_initialize_adapter(ha)) {
1716                 qla_printk(KERN_WARNING, ha,
1717                     "Failed to initialize adapter\n");
1718
1719                 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1720                     "Adapter flags %x.\n",
1721                     ha->host_no, ha->device_flags));
1722
1723                 ret = -ENODEV;
1724                 goto probe_failed;
1725         }
1726
1727         /*
1728          * Startup the kernel thread for this host adapter
1729          */
1730         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1731                         "%s_dpc", ha->host_str);
1732         if (IS_ERR(ha->dpc_thread)) {
1733                 qla_printk(KERN_WARNING, ha,
1734                     "Unable to start DPC thread!\n");
1735                 ret = PTR_ERR(ha->dpc_thread);
1736                 goto probe_failed;
1737         }
1738
1739         host->this_id = 255;
1740         host->cmd_per_lun = 3;
1741         host->unique_id = ha->instance;
1742         host->max_cmd_len = MAX_CMDSZ;
1743         host->max_channel = MAX_BUSES - 1;
1744         host->max_lun = MAX_LUNS;
1745         host->transportt = qla2xxx_transport_template;
1746
1747         ret = qla2x00_request_irqs(ha);
1748         if (ret)
1749                 goto probe_failed;
1750
1751         /* Initialized the timer */
1752         qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1753
1754         DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1755             ha->host_no, ha));
1756
1757         ha->isp_ops->disable_intrs(ha);
1758
1759         spin_lock_irqsave(&ha->hardware_lock, flags);
1760         reg = ha->iobase;
1761         if (IS_FWI2_CAPABLE(ha)) {
1762                 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
1763                 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
1764         } else {
1765                 WRT_REG_WORD(&reg->isp.semaphore, 0);
1766                 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_RISC_INT);
1767                 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_HOST_INT);
1768
1769                 /* Enable proper parity */
1770                 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1771                         if (IS_QLA2300(ha))
1772                                 /* SRAM parity */
1773                                 WRT_REG_WORD(&reg->isp.hccr,
1774                                     (HCCR_ENABLE_PARITY + 0x1));
1775                         else
1776                                 /* SRAM, Instruction RAM and GP RAM parity */
1777                                 WRT_REG_WORD(&reg->isp.hccr,
1778                                     (HCCR_ENABLE_PARITY + 0x7));
1779                 }
1780         }
1781         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1782
1783         ha->isp_ops->enable_intrs(ha);
1784
1785         pci_set_drvdata(pdev, ha);
1786
1787         ha->flags.init_done = 1;
1788         ha->flags.online = 1;
1789
1790         num_hosts++;
1791
1792         ret = scsi_add_host(host, &pdev->dev);
1793         if (ret)
1794                 goto probe_failed;
1795
1796         scsi_scan_host(host);
1797
1798         qla2x00_alloc_sysfs_attr(ha);
1799
1800         qla2x00_init_host_attr(ha);
1801
1802         qla_printk(KERN_INFO, ha, "\n"
1803             " QLogic Fibre Channel HBA Driver: %s\n"
1804             "  QLogic %s - %s\n"
1805             "  ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1806             qla2x00_version_str, ha->model_number,
1807             ha->model_desc ? ha->model_desc: "", pdev->device,
1808             ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
1809             ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1810             ha->isp_ops->fw_version_str(ha, fw_str));
1811
1812         return 0;
1813
1814 probe_failed:
1815         qla2x00_free_device(ha);
1816
1817         scsi_host_put(host);
1818
1819 probe_disable_device:
1820         pci_disable_device(pdev);
1821
1822 probe_out:
1823         return ret;
1824 }
1825
1826 static void __devexit
1827 qla2x00_remove_one(struct pci_dev *pdev)
1828 {
1829         scsi_qla_host_t *ha;
1830
1831         ha = pci_get_drvdata(pdev);
1832
1833         qla2x00_free_sysfs_attr(ha);
1834
1835         fc_remove_host(ha->host);
1836
1837         scsi_remove_host(ha->host);
1838
1839         qla2x00_free_device(ha);
1840
1841         scsi_host_put(ha->host);
1842
1843         pci_disable_device(pdev);
1844         pci_set_drvdata(pdev, NULL);
1845 }
1846
1847 static void
1848 qla2x00_free_device(scsi_qla_host_t *ha)
1849 {
1850         /* Disable timer */
1851         if (ha->timer_active)
1852                 qla2x00_stop_timer(ha);
1853
1854         /* Kill the kernel thread for this host */
1855         if (ha->dpc_thread) {
1856                 struct task_struct *t = ha->dpc_thread;
1857
1858                 /*
1859                  * qla2xxx_wake_dpc checks for ->dpc_thread
1860                  * so we need to zero it out.
1861                  */
1862                 ha->dpc_thread = NULL;
1863                 kthread_stop(t);
1864         }
1865
1866         if (ha->eft)
1867                 qla2x00_trace_control(ha, TC_DISABLE, 0, 0);
1868
1869         ha->flags.online = 0;
1870
1871         /* Stop currently executing firmware. */
1872         qla2x00_try_to_stop_firmware(ha);
1873
1874         /* turn-off interrupts on the card */
1875         if (ha->interrupts_on)
1876                 ha->isp_ops->disable_intrs(ha);
1877
1878         qla2x00_mem_free(ha);
1879
1880         qla2x00_free_irqs(ha);
1881
1882         /* release io space registers  */
1883         if (ha->iobase)
1884                 iounmap(ha->iobase);
1885         pci_release_selected_regions(ha->pdev, ha->bars);
1886 }
1887
1888 static inline void
1889 qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1890     int defer)
1891 {
1892         unsigned long flags;
1893         struct fc_rport *rport;
1894
1895         if (!fcport->rport)
1896                 return;
1897
1898         rport = fcport->rport;
1899         if (defer) {
1900                 spin_lock_irqsave(&fcport->rport_lock, flags);
1901                 fcport->drport = rport;
1902                 fcport->rport = NULL;
1903                 *(fc_port_t **)rport->dd_data = NULL;
1904                 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1905                 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1906         } else {
1907                 spin_lock_irqsave(&fcport->rport_lock, flags);
1908                 fcport->rport = NULL;
1909                 *(fc_port_t **)rport->dd_data = NULL;
1910                 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1911                 fc_remote_port_delete(rport);
1912         }
1913 }
1914
1915 /*
1916  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1917  *
1918  * Input: ha = adapter block pointer.  fcport = port structure pointer.
1919  *
1920  * Return: None.
1921  *
1922  * Context:
1923  */
1924 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1925     int do_login, int defer)
1926 {
1927         if (atomic_read(&fcport->state) == FCS_ONLINE &&
1928             ha->vp_idx == fcport->vp_idx)
1929                 qla2x00_schedule_rport_del(ha, fcport, defer);
1930
1931         /*
1932          * We may need to retry the login, so don't change the state of the
1933          * port but do the retries.
1934          */
1935         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1936                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1937
1938         if (!do_login)
1939                 return;
1940
1941         if (fcport->login_retry == 0) {
1942                 fcport->login_retry = ha->login_retry_count;
1943                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1944
1945                 DEBUG(printk("scsi(%ld): Port login retry: "
1946                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
1947                     "id = 0x%04x retry cnt=%d\n",
1948                     ha->host_no,
1949                     fcport->port_name[0],
1950                     fcport->port_name[1],
1951                     fcport->port_name[2],
1952                     fcport->port_name[3],
1953                     fcport->port_name[4],
1954                     fcport->port_name[5],
1955                     fcport->port_name[6],
1956                     fcport->port_name[7],
1957                     fcport->loop_id,
1958                     fcport->login_retry));
1959         }
1960 }
1961
1962 /*
1963  * qla2x00_mark_all_devices_lost
1964  *      Updates fcport state when device goes offline.
1965  *
1966  * Input:
1967  *      ha = adapter block pointer.
1968  *      fcport = port structure pointer.
1969  *
1970  * Return:
1971  *      None.
1972  *
1973  * Context:
1974  */
1975 void
1976 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1977 {
1978         fc_port_t *fcport;
1979         scsi_qla_host_t *pha = to_qla_parent(ha);
1980
1981         list_for_each_entry(fcport, &pha->fcports, list) {
1982                 if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
1983                         continue;
1984                 /*
1985                  * No point in marking the device as lost, if the device is
1986                  * already DEAD.
1987                  */
1988                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1989                         continue;
1990                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1991                         if (defer)
1992                                 qla2x00_schedule_rport_del(ha, fcport, defer);
1993                         else if (ha->vp_idx == fcport->vp_idx)
1994                                 qla2x00_schedule_rport_del(ha, fcport, defer);
1995                 }
1996                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1997         }
1998
1999         if (defer)
2000                 qla2xxx_wake_dpc(ha);
2001 }
2002
2003 /*
2004 * qla2x00_mem_alloc
2005 *      Allocates adapter memory.
2006 *
2007 * Returns:
2008 *      0  = success.
2009 *      1  = failure.
2010 */
2011 uint8_t
2012 qla2x00_mem_alloc(scsi_qla_host_t *ha)
2013 {
2014         char    name[16];
2015         uint8_t   status = 1;
2016         int     retry= 10;
2017
2018         do {
2019                 /*
2020                  * This will loop only once if everything goes well, else some
2021                  * number of retries will be performed to get around a kernel
2022                  * bug where available mem is not allocated until after a
2023                  * little delay and a retry.
2024                  */
2025                 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
2026                     (ha->request_q_length + 1) * sizeof(request_t),
2027                     &ha->request_dma, GFP_KERNEL);
2028                 if (ha->request_ring == NULL) {
2029                         qla_printk(KERN_WARNING, ha,
2030                             "Memory Allocation failed - request_ring\n");
2031
2032                         qla2x00_mem_free(ha);
2033                         msleep(100);
2034
2035                         continue;
2036                 }
2037
2038                 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
2039                     (ha->response_q_length + 1) * sizeof(response_t),
2040                     &ha->response_dma, GFP_KERNEL);
2041                 if (ha->response_ring == NULL) {
2042                         qla_printk(KERN_WARNING, ha,
2043                             "Memory Allocation failed - response_ring\n");
2044
2045                         qla2x00_mem_free(ha);
2046                         msleep(100);
2047
2048                         continue;
2049                 }
2050
2051                 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2052                     &ha->gid_list_dma, GFP_KERNEL);
2053                 if (ha->gid_list == NULL) {
2054                         qla_printk(KERN_WARNING, ha,
2055                             "Memory Allocation failed - gid_list\n");
2056
2057                         qla2x00_mem_free(ha);
2058                         msleep(100);
2059
2060                         continue;
2061                 }
2062
2063                 /* get consistent memory allocated for init control block */
2064                 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev,
2065                     ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL);
2066                 if (ha->init_cb == NULL) {
2067                         qla_printk(KERN_WARNING, ha,
2068                             "Memory Allocation failed - init_cb\n");
2069
2070                         qla2x00_mem_free(ha);
2071                         msleep(100);
2072
2073                         continue;
2074                 }
2075                 memset(ha->init_cb, 0, ha->init_cb_size);
2076
2077                 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
2078                     ha->host_no);
2079                 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2080                     DMA_POOL_SIZE, 8, 0);
2081                 if (ha->s_dma_pool == NULL) {
2082                         qla_printk(KERN_WARNING, ha,
2083                             "Memory Allocation failed - s_dma_pool\n");
2084
2085                         qla2x00_mem_free(ha);
2086                         msleep(100);
2087
2088                         continue;
2089                 }
2090
2091                 if (qla2x00_allocate_sp_pool(ha)) {
2092                         qla_printk(KERN_WARNING, ha,
2093                             "Memory Allocation failed - "
2094                             "qla2x00_allocate_sp_pool()\n");
2095
2096                         qla2x00_mem_free(ha);
2097                         msleep(100);
2098
2099                         continue;
2100                 }
2101
2102                 /* Allocate memory for SNS commands */
2103                 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2104                         /* Get consistent memory allocated for SNS commands */
2105                         ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2106                             sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
2107                             GFP_KERNEL);
2108                         if (ha->sns_cmd == NULL) {
2109                                 /* error */
2110                                 qla_printk(KERN_WARNING, ha,
2111                                     "Memory Allocation failed - sns_cmd\n");
2112
2113                                 qla2x00_mem_free(ha);
2114                                 msleep(100);
2115
2116                                 continue;
2117                         }
2118                         memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
2119                 } else {
2120                         /* Get consistent memory allocated for MS IOCB */
2121                         ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2122                             &ha->ms_iocb_dma);
2123                         if (ha->ms_iocb == NULL) {
2124                                 /* error */
2125                                 qla_printk(KERN_WARNING, ha,
2126                                     "Memory Allocation failed - ms_iocb\n");
2127
2128                                 qla2x00_mem_free(ha);
2129                                 msleep(100);
2130
2131                                 continue;
2132                         }
2133                         memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
2134
2135                         /*
2136                          * Get consistent memory allocated for CT SNS
2137                          * commands
2138                          */
2139                         ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2140                             sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
2141                             GFP_KERNEL);
2142                         if (ha->ct_sns == NULL) {
2143                                 /* error */
2144                                 qla_printk(KERN_WARNING, ha,
2145                                     "Memory Allocation failed - ct_sns\n");
2146
2147                                 qla2x00_mem_free(ha);
2148                                 msleep(100);
2149
2150                                 continue;
2151                         }
2152                         memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
2153
2154                         if (IS_FWI2_CAPABLE(ha)) {
2155                                 /*
2156                                  * Get consistent memory allocated for SFP
2157                                  * block.
2158                                  */
2159                                 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool,
2160                                     GFP_KERNEL, &ha->sfp_data_dma);
2161                                 if (ha->sfp_data == NULL) {
2162                                         qla_printk(KERN_WARNING, ha,
2163                                             "Memory Allocation failed - "
2164                                             "sfp_data\n");
2165
2166                                         qla2x00_mem_free(ha);
2167                                         msleep(100);
2168
2169                                         continue;
2170                                 }
2171                                 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
2172                         }
2173                 }
2174
2175                 /* Get memory for cached NVRAM */
2176                 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2177                 if (ha->nvram == NULL) {
2178                         /* error */
2179                         qla_printk(KERN_WARNING, ha,
2180                             "Memory Allocation failed - nvram cache\n");
2181
2182                         qla2x00_mem_free(ha);
2183                         msleep(100);
2184
2185                         continue;
2186                 }
2187
2188                 /* Done all allocations without any error. */
2189                 status = 0;
2190
2191         } while (retry-- && status != 0);
2192
2193         if (status) {
2194                 printk(KERN_WARNING
2195                         "%s(): **** FAILED ****\n", __func__);
2196         }
2197
2198         return(status);
2199 }
2200
2201 /*
2202 * qla2x00_mem_free
2203 *      Frees all adapter allocated memory.
2204 *
2205 * Input:
2206 *      ha = adapter block pointer.
2207 */
2208 void
2209 qla2x00_mem_free(scsi_qla_host_t *ha)
2210 {
2211         struct list_head        *fcpl, *fcptemp;
2212         fc_port_t       *fcport;
2213
2214         if (ha == NULL) {
2215                 /* error */
2216                 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2217                 return;
2218         }
2219
2220         /* free sp pool */
2221         qla2x00_free_sp_pool(ha);
2222
2223         if (ha->fw_dump) {
2224                 if (ha->eft)
2225                         dma_free_coherent(&ha->pdev->dev,
2226                             ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2227                 vfree(ha->fw_dump);
2228         }
2229
2230         if (ha->sns_cmd)
2231                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2232                     ha->sns_cmd, ha->sns_cmd_dma);
2233
2234         if (ha->ct_sns)
2235                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2236                     ha->ct_sns, ha->ct_sns_dma);
2237
2238         if (ha->sfp_data)
2239                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2240
2241         if (ha->ms_iocb)
2242                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2243
2244         if (ha->s_dma_pool)
2245                 dma_pool_destroy(ha->s_dma_pool);
2246
2247         if (ha->init_cb)
2248                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2249                     ha->init_cb, ha->init_cb_dma);
2250
2251         if (ha->gid_list)
2252                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2253                     ha->gid_list_dma);
2254
2255         if (ha->response_ring)
2256                 dma_free_coherent(&ha->pdev->dev,
2257                     (ha->response_q_length + 1) * sizeof(response_t),
2258                     ha->response_ring, ha->response_dma);
2259
2260         if (ha->request_ring)
2261                 dma_free_coherent(&ha->pdev->dev,
2262                     (ha->request_q_length + 1) * sizeof(request_t),
2263                     ha->request_ring, ha->request_dma);
2264
2265         ha->eft = NULL;
2266         ha->eft_dma = 0;
2267         ha->sns_cmd = NULL;
2268         ha->sns_cmd_dma = 0;
2269         ha->ct_sns = NULL;
2270         ha->ct_sns_dma = 0;
2271         ha->ms_iocb = NULL;
2272         ha->ms_iocb_dma = 0;
2273         ha->init_cb = NULL;
2274         ha->init_cb_dma = 0;
2275
2276         ha->s_dma_pool = NULL;
2277
2278         ha->gid_list = NULL;
2279         ha->gid_list_dma = 0;
2280
2281         ha->response_ring = NULL;
2282         ha->response_dma = 0;
2283         ha->request_ring = NULL;
2284         ha->request_dma = 0;
2285
2286         list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2287                 fcport = list_entry(fcpl, fc_port_t, list);
2288
2289                 /* fc ports */
2290                 list_del_init(&fcport->list);
2291                 kfree(fcport);
2292         }
2293         INIT_LIST_HEAD(&ha->fcports);
2294
2295         ha->fw_dump = NULL;
2296         ha->fw_dumped = 0;
2297         ha->fw_dump_reading = 0;
2298
2299         vfree(ha->optrom_buffer);
2300         kfree(ha->nvram);
2301 }
2302
2303 /*
2304  * qla2x00_allocate_sp_pool
2305  *       This routine is called during initialization to allocate
2306  *       memory for local srb_t.
2307  *
2308  * Input:
2309  *       ha   = adapter block pointer.
2310  *
2311  * Context:
2312  *      Kernel context.
2313  */
2314 static int
2315 qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
2316 {
2317         int      rval;
2318
2319         rval = QLA_SUCCESS;
2320         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2321         if (ha->srb_mempool == NULL) {
2322                 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2323                 rval = QLA_FUNCTION_FAILED;
2324         }
2325         return (rval);
2326 }
2327
2328 /*
2329  *  This routine frees all adapter allocated memory.
2330  *
2331  */
2332 static void
2333 qla2x00_free_sp_pool( scsi_qla_host_t *ha)
2334 {
2335         if (ha->srb_mempool) {
2336                 mempool_destroy(ha->srb_mempool);
2337                 ha->srb_mempool = NULL;
2338         }
2339 }
2340
2341 /**************************************************************************
2342 * qla2x00_do_dpc
2343 *   This kernel thread is a task that is schedule by the interrupt handler
2344 *   to perform the background processing for interrupts.
2345 *
2346 * Notes:
2347 * This task always run in the context of a kernel thread.  It
2348 * is kick-off by the driver's detect code and starts up
2349 * up one per adapter. It immediately goes to sleep and waits for
2350 * some fibre event.  When either the interrupt handler or
2351 * the timer routine detects a event it will one of the task
2352 * bits then wake us up.
2353 **************************************************************************/
2354 static int
2355 qla2x00_do_dpc(void *data)
2356 {
2357         int             rval;
2358         scsi_qla_host_t *ha;
2359         fc_port_t       *fcport;
2360         uint8_t         status;
2361         uint16_t        next_loopid;
2362
2363         ha = (scsi_qla_host_t *)data;
2364
2365         set_user_nice(current, -20);
2366
2367         while (!kthread_should_stop()) {
2368                 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2369
2370                 set_current_state(TASK_INTERRUPTIBLE);
2371                 schedule();
2372                 __set_current_state(TASK_RUNNING);
2373
2374                 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2375
2376                 /* Initialization not yet finished. Don't do anything yet. */
2377                 if (!ha->flags.init_done)
2378                         continue;
2379
2380                 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2381
2382                 ha->dpc_active = 1;
2383
2384                 if (ha->flags.mbox_busy) {
2385                         ha->dpc_active = 0;
2386                         continue;
2387                 }
2388
2389                 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2390
2391                         DEBUG(printk("scsi(%ld): dpc: sched "
2392                             "qla2x00_abort_isp ha = %p\n",
2393                             ha->host_no, ha));
2394                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2395                             &ha->dpc_flags))) {
2396
2397                                 if (qla2x00_abort_isp(ha)) {
2398                                         /* failed. retry later */
2399                                         set_bit(ISP_ABORT_NEEDED,
2400                                             &ha->dpc_flags);
2401                                 }
2402                                 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2403                         }
2404                         DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2405                             ha->host_no));
2406                 }
2407
2408                 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2409                         qla2x00_update_fcports(ha);
2410
2411                 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2412                         DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2413                             ha->host_no));
2414                         qla2x00_loop_reset(ha);
2415                 }
2416
2417                 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2418                     (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2419
2420                         DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2421                             ha->host_no));
2422
2423                         qla2x00_rst_aen(ha);
2424                         clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2425                 }
2426
2427                 /* Retry each device up to login retry count */
2428                 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2429                     !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2430                     atomic_read(&ha->loop_state) != LOOP_DOWN) {
2431
2432                         DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2433                             ha->host_no));
2434
2435                         next_loopid = 0;
2436                         list_for_each_entry(fcport, &ha->fcports, list) {
2437                                 /*
2438                                  * If the port is not ONLINE then try to login
2439                                  * to it if we haven't run out of retries.
2440                                  */
2441                                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2442                                     fcport->login_retry) {
2443
2444                                         if (fcport->flags & FCF_FABRIC_DEVICE) {
2445                                                 if (fcport->flags &
2446                                                     FCF_TAPE_PRESENT)
2447                                                         ha->isp_ops->fabric_logout(
2448                                                             ha, fcport->loop_id,
2449                                                             fcport->d_id.b.domain,
2450                                                             fcport->d_id.b.area,
2451                                                             fcport->d_id.b.al_pa);
2452                                                 status = qla2x00_fabric_login(
2453                                                     ha, fcport, &next_loopid);
2454                                         } else
2455                                                 status =
2456                                                     qla2x00_local_device_login(
2457                                                         ha, fcport);
2458
2459                                         fcport->login_retry--;
2460                                         if (status == QLA_SUCCESS) {
2461                                                 fcport->old_loop_id = fcport->loop_id;
2462
2463                                                 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2464                                                     ha->host_no, fcport->loop_id));
2465
2466                                                 qla2x00_update_fcport(ha,
2467                                                     fcport);
2468                                         } else if (status == 1) {
2469                                                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2470                                                 /* retry the login again */
2471                                                 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2472                                                     ha->host_no,
2473                                                     fcport->login_retry, fcport->loop_id));
2474                                         } else {
2475                                                 fcport->login_retry = 0;
2476                                         }
2477                                         if (fcport->login_retry == 0)
2478                                                 fcport->loop_id = FC_NO_LOOP_ID;
2479                                 }
2480                                 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2481                                         break;
2482                         }
2483                         DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2484                             ha->host_no));
2485                 }
2486
2487                 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2488                     atomic_read(&ha->loop_state) != LOOP_DOWN) {
2489
2490                         clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2491                         DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2492                             ha->host_no));
2493
2494                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2495
2496                         DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2497                             ha->host_no));
2498                 }
2499
2500                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2501
2502                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2503                             ha->host_no));
2504
2505                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2506                             &ha->dpc_flags))) {
2507
2508                                 rval = qla2x00_loop_resync(ha);
2509
2510                                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2511                         }
2512
2513                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2514                             ha->host_no));
2515                 }
2516
2517                 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2518
2519                         DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2520                             ha->host_no));
2521
2522                         qla2x00_rescan_fcports(ha);
2523
2524                         DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2525                             "end.\n",
2526                             ha->host_no));
2527                 }
2528
2529                 if (!ha->interrupts_on)
2530                         ha->isp_ops->enable_intrs(ha);
2531
2532                 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2533                         ha->isp_ops->beacon_blink(ha);
2534
2535                 qla2x00_do_dpc_all_vps(ha);
2536
2537                 ha->dpc_active = 0;
2538         } /* End of while(1) */
2539
2540         DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2541
2542         /*
2543          * Make sure that nobody tries to wake us up again.
2544          */
2545         ha->dpc_active = 0;
2546
2547         return 0;
2548 }
2549
2550 void
2551 qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2552 {
2553         if (ha->dpc_thread)
2554                 wake_up_process(ha->dpc_thread);
2555 }
2556
2557 /*
2558 *  qla2x00_rst_aen
2559 *      Processes asynchronous reset.
2560 *
2561 * Input:
2562 *      ha  = adapter block pointer.
2563 */
2564 static void
2565 qla2x00_rst_aen(scsi_qla_host_t *ha)
2566 {
2567         if (ha->flags.online && !ha->flags.reset_active &&
2568             !atomic_read(&ha->loop_down_timer) &&
2569             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2570                 do {
2571                         clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2572
2573                         /*
2574                          * Issue marker command only when we are going to start
2575                          * the I/O.
2576                          */
2577                         ha->marker_needed = 1;
2578                 } while (!atomic_read(&ha->loop_down_timer) &&
2579                     (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2580         }
2581 }
2582
2583 static void
2584 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2585 {
2586         struct scsi_cmnd *cmd = sp->cmd;
2587
2588         if (sp->flags & SRB_DMA_VALID) {
2589                 scsi_dma_unmap(cmd);
2590                 sp->flags &= ~SRB_DMA_VALID;
2591         }
2592         CMD_SP(cmd) = NULL;
2593 }
2594
2595 void
2596 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2597 {
2598         struct scsi_cmnd *cmd = sp->cmd;
2599
2600         qla2x00_sp_free_dma(ha, sp);
2601
2602         mempool_free(sp, ha->srb_mempool);
2603
2604         cmd->scsi_done(cmd);
2605 }
2606
2607 /**************************************************************************
2608 *   qla2x00_timer
2609 *
2610 * Description:
2611 *   One second timer
2612 *
2613 * Context: Interrupt
2614 ***************************************************************************/
2615 void
2616 qla2x00_timer(scsi_qla_host_t *ha)
2617 {
2618         unsigned long   cpu_flags = 0;
2619         fc_port_t       *fcport;
2620         int             start_dpc = 0;
2621         int             index;
2622         srb_t           *sp;
2623         int             t;
2624         scsi_qla_host_t *pha = to_qla_parent(ha);
2625
2626         /*
2627          * Ports - Port down timer.
2628          *
2629          * Whenever, a port is in the LOST state we start decrementing its port
2630          * down timer every second until it reaches zero. Once  it reaches zero
2631          * the port it marked DEAD.
2632          */
2633         t = 0;
2634         list_for_each_entry(fcport, &ha->fcports, list) {
2635                 if (fcport->port_type != FCT_TARGET)
2636                         continue;
2637
2638                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2639
2640                         if (atomic_read(&fcport->port_down_timer) == 0)
2641                                 continue;
2642
2643                         if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2644                                 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2645
2646                         DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2647                             "%d remaining\n",
2648                             ha->host_no,
2649                             t, atomic_read(&fcport->port_down_timer)));
2650                 }
2651                 t++;
2652         } /* End of for fcport  */
2653
2654
2655         /* Loop down handler. */
2656         if (atomic_read(&ha->loop_down_timer) > 0 &&
2657             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2658
2659                 if (atomic_read(&ha->loop_down_timer) ==
2660                     ha->loop_down_abort_time) {
2661
2662                         DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2663                             "queues before time expire\n",
2664                             ha->host_no));
2665
2666                         if (!IS_QLA2100(ha) && ha->link_down_timeout)
2667                                 atomic_set(&ha->loop_state, LOOP_DEAD);
2668
2669                         /* Schedule an ISP abort to return any tape commands. */
2670                         /* NPIV - scan physical port only */
2671                         if (!ha->parent) {
2672                                 spin_lock_irqsave(&ha->hardware_lock,
2673                                     cpu_flags);
2674                                 for (index = 1;
2675                                     index < MAX_OUTSTANDING_COMMANDS;
2676                                     index++) {
2677                                         fc_port_t *sfcp;
2678
2679                                         sp = ha->outstanding_cmds[index];
2680                                         if (!sp)
2681                                                 continue;
2682                                         sfcp = sp->fcport;
2683                                         if (!(sfcp->flags & FCF_TAPE_PRESENT))
2684                                                 continue;
2685
2686                                         set_bit(ISP_ABORT_NEEDED,
2687                                             &ha->dpc_flags);
2688                                         break;
2689                                 }
2690                                 spin_unlock_irqrestore(&ha->hardware_lock,
2691                                     cpu_flags);
2692                         }
2693                         set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2694                         start_dpc++;
2695                 }
2696
2697                 /* if the loop has been down for 4 minutes, reinit adapter */
2698                 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2699                         DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2700                             "restarting queues.\n",
2701                             ha->host_no));
2702
2703                         set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2704                         start_dpc++;
2705
2706                         if (!(ha->device_flags & DFLG_NO_CABLE)) {
2707                                 DEBUG(printk("scsi(%ld): Loop down - "
2708                                     "aborting ISP.\n",
2709                                     ha->host_no));
2710                                 qla_printk(KERN_WARNING, ha,
2711                                     "Loop down - aborting ISP.\n");
2712
2713                                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2714                         }
2715                 }
2716                 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2717                     ha->host_no,
2718                     atomic_read(&ha->loop_down_timer)));
2719         }
2720
2721         /* Check if beacon LED needs to be blinked */
2722         if (ha->beacon_blink_led == 1) {
2723                 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2724                 start_dpc++;
2725         }
2726
2727         /* Schedule the DPC routine if needed */
2728         if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2729             test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2730             test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
2731             test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
2732             start_dpc ||
2733             test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
2734             test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2735             test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2736             test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
2737             test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2738                 qla2xxx_wake_dpc(pha);
2739
2740         qla2x00_restart_timer(ha, WATCH_INTERVAL);
2741 }
2742
2743 /* Firmware interface routines. */
2744
2745 #define FW_BLOBS        6
2746 #define FW_ISP21XX      0
2747 #define FW_ISP22XX      1
2748 #define FW_ISP2300      2
2749 #define FW_ISP2322      3
2750 #define FW_ISP24XX      4
2751 #define FW_ISP25XX      5
2752
2753 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2754 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2755 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2756 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2757 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2758 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2759
2760 static DECLARE_MUTEX(qla_fw_lock);
2761
2762 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2763         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2764         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2765         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2766         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2767         { .name = FW_FILE_ISP24XX, },
2768         { .name = FW_FILE_ISP25XX, },
2769 };
2770
2771 struct fw_blob *
2772 qla2x00_request_firmware(scsi_qla_host_t *ha)
2773 {
2774         struct fw_blob *blob;
2775
2776         blob = NULL;
2777         if (IS_QLA2100(ha)) {
2778                 blob = &qla_fw_blobs[FW_ISP21XX];
2779         } else if (IS_QLA2200(ha)) {
2780                 blob = &qla_fw_blobs[FW_ISP22XX];
2781         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2782                 blob = &qla_fw_blobs[FW_ISP2300];
2783         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2784                 blob = &qla_fw_blobs[FW_ISP2322];
2785         } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
2786                 blob = &qla_fw_blobs[FW_ISP24XX];
2787         } else if (IS_QLA25XX(ha)) {
2788                 blob = &qla_fw_blobs[FW_ISP25XX];
2789         }
2790
2791         down(&qla_fw_lock);
2792         if (blob->fw)
2793                 goto out;
2794
2795         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2796                 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2797                     "(%s).\n", ha->host_no, blob->name));
2798                 blob->fw = NULL;
2799                 blob = NULL;
2800                 goto out;
2801         }
2802
2803 out:
2804         up(&qla_fw_lock);
2805         return blob;
2806 }
2807
2808 static void
2809 qla2x00_release_firmware(void)
2810 {
2811         int idx;
2812
2813         down(&qla_fw_lock);
2814         for (idx = 0; idx < FW_BLOBS; idx++)
2815                 if (qla_fw_blobs[idx].fw)
2816                         release_firmware(qla_fw_blobs[idx].fw);
2817         up(&qla_fw_lock);
2818 }
2819
2820 static pci_ers_result_t
2821 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2822 {
2823         switch (state) {
2824         case pci_channel_io_normal:
2825                 return PCI_ERS_RESULT_CAN_RECOVER;
2826         case pci_channel_io_frozen:
2827                 pci_disable_device(pdev);
2828                 return PCI_ERS_RESULT_NEED_RESET;
2829         case pci_channel_io_perm_failure:
2830                 qla2x00_remove_one(pdev);
2831                 return PCI_ERS_RESULT_DISCONNECT;
2832         }
2833         return PCI_ERS_RESULT_NEED_RESET;
2834 }
2835
2836 static pci_ers_result_t
2837 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2838 {
2839         int risc_paused = 0;
2840         uint32_t stat;
2841         unsigned long flags;
2842         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2843         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2844         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2845
2846         spin_lock_irqsave(&ha->hardware_lock, flags);
2847         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2848                 stat = RD_REG_DWORD(&reg->hccr);
2849                 if (stat & HCCR_RISC_PAUSE)
2850                         risc_paused = 1;
2851         } else if (IS_QLA23XX(ha)) {
2852                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2853                 if (stat & HSR_RISC_PAUSED)
2854                         risc_paused = 1;
2855         } else if (IS_FWI2_CAPABLE(ha)) {
2856                 stat = RD_REG_DWORD(&reg24->host_status);
2857                 if (stat & HSRX_RISC_PAUSED)
2858                         risc_paused = 1;
2859         }
2860         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2861
2862         if (risc_paused) {
2863                 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2864                     "Dumping firmware!\n");
2865                 ha->isp_ops->fw_dump(ha, 0);
2866
2867                 return PCI_ERS_RESULT_NEED_RESET;
2868         } else
2869                 return PCI_ERS_RESULT_RECOVERED;
2870 }
2871
2872 static pci_ers_result_t
2873 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2874 {
2875         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2876         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2877
2878         if (pci_enable_device_bars(pdev, ha->bars)) {
2879                 qla_printk(KERN_WARNING, ha,
2880                     "Can't re-enable PCI device after reset.\n");
2881
2882                 return ret;
2883         }
2884         pci_set_master(pdev);
2885
2886         if (ha->isp_ops->pci_config(ha))
2887                 return ret;
2888
2889         set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2890         if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2891                 ret =  PCI_ERS_RESULT_RECOVERED;
2892         clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2893
2894         return ret;
2895 }
2896
2897 static void
2898 qla2xxx_pci_resume(struct pci_dev *pdev)
2899 {
2900         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2901         int ret;
2902
2903         ret = qla2x00_wait_for_hba_online(ha);
2904         if (ret != QLA_SUCCESS) {
2905                 qla_printk(KERN_ERR, ha,
2906                     "the device failed to resume I/O "
2907                     "from slot/link_reset");
2908         }
2909         pci_cleanup_aer_uncorrect_error_status(pdev);
2910 }
2911
2912 static struct pci_error_handlers qla2xxx_err_handler = {
2913         .error_detected = qla2xxx_pci_error_detected,
2914         .mmio_enabled = qla2xxx_pci_mmio_enabled,
2915         .slot_reset = qla2xxx_pci_slot_reset,
2916         .resume = qla2xxx_pci_resume,
2917 };
2918
2919 static struct pci_device_id qla2xxx_pci_tbl[] = {
2920         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2921         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2922         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2923         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2924         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2925         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2926         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2927         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2928         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2929         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2930         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
2931         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
2932         { 0 },
2933 };
2934 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2935
2936 static struct pci_driver qla2xxx_pci_driver = {
2937         .name           = QLA2XXX_DRIVER_NAME,
2938         .driver         = {
2939                 .owner          = THIS_MODULE,
2940         },
2941         .id_table       = qla2xxx_pci_tbl,
2942         .probe          = qla2x00_probe_one,
2943         .remove         = __devexit_p(qla2x00_remove_one),
2944         .err_handler    = &qla2xxx_err_handler,
2945 };
2946
2947 /**
2948  * qla2x00_module_init - Module initialization.
2949  **/
2950 static int __init
2951 qla2x00_module_init(void)
2952 {
2953         int ret = 0;
2954
2955         /* Allocate cache for SRBs. */
2956         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2957             SLAB_HWCACHE_ALIGN, NULL);
2958         if (srb_cachep == NULL) {
2959                 printk(KERN_ERR
2960                     "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2961                 return -ENOMEM;
2962         }
2963
2964         /* Derive version string. */
2965         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2966         if (ql2xextended_error_logging)
2967                 strcat(qla2x00_version_str, "-debug");
2968
2969         qla2xxx_transport_template =
2970             fc_attach_transport(&qla2xxx_transport_functions);
2971         if (!qla2xxx_transport_template) {
2972                 kmem_cache_destroy(srb_cachep);
2973                 return -ENODEV;
2974         }
2975         qla2xxx_transport_vport_template =
2976             fc_attach_transport(&qla2xxx_transport_vport_functions);
2977         if (!qla2xxx_transport_vport_template) {
2978                 kmem_cache_destroy(srb_cachep);
2979                 fc_release_transport(qla2xxx_transport_template);
2980                 return -ENODEV;
2981         }
2982
2983         printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
2984         ret = pci_register_driver(&qla2xxx_pci_driver);
2985         if (ret) {
2986                 kmem_cache_destroy(srb_cachep);
2987                 fc_release_transport(qla2xxx_transport_template);
2988                 fc_release_transport(qla2xxx_transport_vport_template);
2989         }
2990         return ret;
2991 }
2992
2993 /**
2994  * qla2x00_module_exit - Module cleanup.
2995  **/
2996 static void __exit
2997 qla2x00_module_exit(void)
2998 {
2999         pci_unregister_driver(&qla2xxx_pci_driver);
3000         qla2x00_release_firmware();
3001         kmem_cache_destroy(srb_cachep);
3002         fc_release_transport(qla2xxx_transport_template);
3003         fc_release_transport(qla2xxx_transport_vport_template);
3004 }
3005
3006 module_init(qla2x00_module_init);
3007 module_exit(qla2x00_module_exit);
3008
3009 MODULE_AUTHOR("QLogic Corporation");
3010 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3011 MODULE_LICENSE("GPL");
3012 MODULE_VERSION(QLA2XXX_VERSION);
3013 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3014 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3015 MODULE_FIRMWARE(FW_FILE_ISP2300);
3016 MODULE_FIRMWARE(FW_FILE_ISP2322);
3017 MODULE_FIRMWARE(FW_FILE_ISP24XX);