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

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2008 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 #include <linux/mutex.h>
  14
  15 #include <scsi/scsi_tcq.h>
  16 #include <scsi/scsicam.h>
  17 #include <scsi/scsi_transport.h>
  18 #include <scsi/scsi_transport_fc.h>
  19
  20 /*
  21  * Driver version
  22  */
  23 char qla2x00_version_str[40];
  24
  25 /*
  26  * SRB allocation cache
  27  */
  28 static struct kmem_cache *srb_cachep;
  29
  30 int ql2xlogintimeout = 20;
  31 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
  32 MODULE_PARM_DESC(ql2xlogintimeout,
  33                 "Login timeout value in seconds.");
  34
  35 int qlport_down_retry;
  36 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
  37 MODULE_PARM_DESC(qlport_down_retry,
  38                 "Maximum number of command retries to a port that returns "
  39                 "a PORT-DOWN status.");
  40
  41 int ql2xplogiabsentdevice;
  42 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
  43 MODULE_PARM_DESC(ql2xplogiabsentdevice,
  44                 "Option to enable PLOGI to devices that are not present after "
  45                 "a Fabric scan.  This is needed for several broken switches. "
  46                 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
  47
  48 int ql2xloginretrycount = 0;
  49 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
  50 MODULE_PARM_DESC(ql2xloginretrycount,
  51                 "Specify an alternate value for the NVRAM login retry count.");
  52
  53 int ql2xallocfwdump = 1;
  54 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
  55 MODULE_PARM_DESC(ql2xallocfwdump,
  56                 "Option to enable allocation of memory for a firmware dump "
  57                 "during HBA initialization.  Memory allocation requirements "
  58                 "vary by ISP type.  Default is 1 - allocate memory.");
  59
  60 int ql2xextended_error_logging;
  61 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  62 MODULE_PARM_DESC(ql2xextended_error_logging,
  63                 "Option to enable extended error logging, "
  64                 "Default is 0 - no logging. 1 - log errors.");
  65
  66 static void qla2x00_free_device(scsi_qla_host_t *);
  67
  68 static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
  69
  70 int ql2xfdmienable=1;
  71 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
  72 MODULE_PARM_DESC(ql2xfdmienable,
  73                 "Enables FDMI registratons "
  74                 "Default is 0 - no FDMI. 1 - perfom FDMI.");
  75
  76 #define MAX_Q_DEPTH    32
  77 static int ql2xmaxqdepth = MAX_Q_DEPTH;
  78 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
  79 MODULE_PARM_DESC(ql2xmaxqdepth,
  80                 "Maximum queue depth to report for target devices.");
  81
  82 int ql2xqfullrampup = 120;
  83 module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
  84 MODULE_PARM_DESC(ql2xqfullrampup,
  85                 "Number of seconds to wait to begin to ramp-up the queue "
  86                 "depth for a device after a queue-full condition has been "
  87                 "detected.  Default is 120 seconds.");
  88
  89 int ql2xiidmaenable=1;
  90 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
  91 MODULE_PARM_DESC(ql2xiidmaenable,
  92                 "Enables iIDMA settings "
  93                 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
  94
  95
  96 /*
  97  * SCSI host template entry points
  98  */
  99 static int qla2xxx_slave_configure(struct scsi_device * device);
 100 static int qla2xxx_slave_alloc(struct scsi_device *);
 101 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
 102 static void qla2xxx_scan_start(struct Scsi_Host *);
 103 static void qla2xxx_slave_destroy(struct scsi_device *);
 104 static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
 105                 void (*fn)(struct scsi_cmnd *));
 106 static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
 107                 void (*fn)(struct scsi_cmnd *));
 108 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 109 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 110 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
 111 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 112 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 113
 114 static int qla2x00_change_queue_depth(struct scsi_device *, int);
 115 static int qla2x00_change_queue_type(struct scsi_device *, int);
 116
 117 static struct scsi_host_template qla2x00_driver_template = {
 118         .module                 = THIS_MODULE,
 119         .name                   = QLA2XXX_DRIVER_NAME,
 120         .queuecommand           = qla2x00_queuecommand,
 121
 122         .eh_abort_handler       = qla2xxx_eh_abort,
 123         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 124         .eh_target_reset_handler = qla2xxx_eh_target_reset,
 125         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 126         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 127
 128         .slave_configure        = qla2xxx_slave_configure,
 129
 130         .slave_alloc            = qla2xxx_slave_alloc,
 131         .slave_destroy          = qla2xxx_slave_destroy,
 132         .scan_finished          = qla2xxx_scan_finished,
 133         .scan_start             = qla2xxx_scan_start,
 134         .change_queue_depth     = qla2x00_change_queue_depth,
 135         .change_queue_type      = qla2x00_change_queue_type,
 136         .this_id                = -1,
 137         .cmd_per_lun            = 3,
 138         .use_clustering         = ENABLE_CLUSTERING,
 139         .sg_tablesize           = SG_ALL,
 140
 141         /*
 142          * The RISC allows for each command to transfer (2^32-1) bytes of data,
 143          * which equates to 0x800000 sectors.
 144          */
 145         .max_sectors            = 0xFFFF,
 146         .shost_attrs            = qla2x00_host_attrs,
 147 };
 148
 149 struct scsi_host_template qla24xx_driver_template = {
 150         .module                 = THIS_MODULE,
 151         .name                   = QLA2XXX_DRIVER_NAME,
 152         .queuecommand           = qla24xx_queuecommand,
 153
 154         .eh_abort_handler       = qla2xxx_eh_abort,
 155         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 156         .eh_target_reset_handler = qla2xxx_eh_target_reset,
 157         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 158         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 159
 160         .slave_configure        = qla2xxx_slave_configure,
 161
 162         .slave_alloc            = qla2xxx_slave_alloc,
 163         .slave_destroy          = qla2xxx_slave_destroy,
 164         .scan_finished          = qla2xxx_scan_finished,
 165         .scan_start             = qla2xxx_scan_start,
 166         .change_queue_depth     = qla2x00_change_queue_depth,
 167         .change_queue_type      = qla2x00_change_queue_type,
 168         .this_id                = -1,
 169         .cmd_per_lun            = 3,
 170         .use_clustering         = ENABLE_CLUSTERING,
 171         .sg_tablesize           = SG_ALL,
 172
 173         .max_sectors            = 0xFFFF,
 174         .shost_attrs            = qla2x00_host_attrs,
 175 };
 176
 177 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 178 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 179
 180 /* TODO Convert to inlines
 181  *
 182  * Timer routines
 183  */
 184
 185 __inline__ void
 186 qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
 187 {
 188         init_timer(&ha->timer);
 189         ha->timer.expires = jiffies + interval * HZ;
 190         ha->timer.data = (unsigned long)ha;
 191         ha->timer.function = (void (*)(unsigned long))func;
 192         add_timer(&ha->timer);
 193         ha->timer_active = 1;
 194 }
 195
 196 static inline void
 197 qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
 198 {
 199         mod_timer(&ha->timer, jiffies + interval * HZ);
 200 }
 201
 202 static __inline__ void
 203 qla2x00_stop_timer(scsi_qla_host_t *ha)
 204 {
 205         del_timer_sync(&ha->timer);
 206         ha->timer_active = 0;
 207 }
 208
 209 static int qla2x00_do_dpc(void *data);
 210
 211 static void qla2x00_rst_aen(scsi_qla_host_t *);
 212
 213 static int qla2x00_mem_alloc(scsi_qla_host_t *);
 214 static void qla2x00_mem_free(scsi_qla_host_t *ha);
 215 static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
 216
 217 /* -------------------------------------------------------------------------- */
 218
 219 static char *
 220 qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
 221 {
 222         static char *pci_bus_modes[] = {
 223                 "33", "66", "100", "133",
 224         };
 225         uint16_t pci_bus;
 226
 227         strcpy(str, "PCI");
 228         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 229         if (pci_bus) {
 230                 strcat(str, "-X (");
 231                 strcat(str, pci_bus_modes[pci_bus]);
 232         } else {
 233                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 234                 strcat(str, " (");
 235                 strcat(str, pci_bus_modes[pci_bus]);
 236         }
 237         strcat(str, " MHz)");
 238
 239         return (str);
 240 }
 241
 242 static char *
 243 qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
 244 {
 245         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 246         uint32_t pci_bus;
 247         int pcie_reg;
 248
 249         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 250         if (pcie_reg) {
 251                 char lwstr[6];
 252                 uint16_t pcie_lstat, lspeed, lwidth;
 253
 254                 pcie_reg += 0x12;
 255                 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 256                 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 257                 lwidth = (pcie_lstat &
 258                     (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 259
 260                 strcpy(str, "PCIe (");
 261                 if (lspeed == 1)
 262                         strcat(str, "2.5GT/s ");
 263                 else if (lspeed == 2)
 264                         strcat(str, "5.0GT/s ");
 265                 else
 266                         strcat(str, "<unknown> ");
 267                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 268                 strcat(str, lwstr);
 269
 270                 return str;
 271         }
 272
 273         strcpy(str, "PCI");
 274         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 275         if (pci_bus == 0 || pci_bus == 8) {
 276                 strcat(str, " (");
 277                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 278         } else {
 279                 strcat(str, "-X ");
 280                 if (pci_bus & BIT_2)
 281                         strcat(str, "Mode 2");
 282                 else
 283                         strcat(str, "Mode 1");
 284                 strcat(str, " (");
 285                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 286         }
 287         strcat(str, " MHz)");
 288
 289         return str;
 290 }
 291
 292 static char *
 293 qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
 294 {
 295         char un_str[10];
 296
 297         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 298             ha->fw_minor_version,
 299             ha->fw_subminor_version);
 300
 301         if (ha->fw_attributes & BIT_9) {
 302                 strcat(str, "FLX");
 303                 return (str);
 304         }
 305
 306         switch (ha->fw_attributes & 0xFF) {
 307         case 0x7:
 308                 strcat(str, "EF");
 309                 break;
 310         case 0x17:
 311                 strcat(str, "TP");
 312                 break;
 313         case 0x37:
 314                 strcat(str, "IP");
 315                 break;
 316         case 0x77:
 317                 strcat(str, "VI");
 318                 break;
 319         default:
 320                 sprintf(un_str, "(%x)", ha->fw_attributes);
 321                 strcat(str, un_str);
 322                 break;
 323         }
 324         if (ha->fw_attributes & 0x100)
 325                 strcat(str, "X");
 326
 327         return (str);
 328 }
 329
 330 static char *
 331 qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
 332 {
 333         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 334             ha->fw_minor_version,
 335             ha->fw_subminor_version);
 336
 337         if (ha->fw_attributes & BIT_0)
 338                 strcat(str, "[Class 2] ");
 339         if (ha->fw_attributes & BIT_1)
 340                 strcat(str, "[IP] ");
 341         if (ha->fw_attributes & BIT_2)
 342                 strcat(str, "[Multi-ID] ");
 343         if (ha->fw_attributes & BIT_3)
 344                 strcat(str, "[SB-2] ");
 345         if (ha->fw_attributes & BIT_4)
 346                 strcat(str, "[T10 CRC] ");
 347         if (ha->fw_attributes & BIT_5)
 348                 strcat(str, "[VI] ");
 349         if (ha->fw_attributes & BIT_10)
 350                 strcat(str, "[84XX] ");
 351         if (ha->fw_attributes & BIT_13)
 352                 strcat(str, "[Experimental]");
 353         return str;
 354 }
 355
 356 static inline srb_t *
 357 qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
 358     struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 359 {
 360         srb_t *sp;
 361
 362         sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
 363         if (!sp)
 364                 return sp;
 365
 366         sp->ha = ha;
 367         sp->fcport = fcport;
 368         sp->cmd = cmd;
 369         sp->flags = 0;
 370         CMD_SP(cmd) = (void *)sp;
 371         cmd->scsi_done = done;
 372
 373         return sp;
 374 }
 375
 376 static int
 377 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 378 {
 379         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 380         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 381         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 382         srb_t *sp;
 383         int rval;
 384
 385         if (unlikely(pci_channel_offline(ha->pdev))) {
 386                 cmd->result = DID_REQUEUE << 16;
 387                 goto qc_fail_command;
 388         }
 389
 390         rval = fc_remote_port_chkready(rport);
 391         if (rval) {
 392                 cmd->result = rval;
 393                 goto qc_fail_command;
 394         }
 395
 396         /* Close window on fcport/rport state-transitioning. */
 397         if (fcport->drport)
 398                 goto qc_target_busy;
 399
 400         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 401                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 402                     atomic_read(&ha->loop_state) == LOOP_DEAD) {
 403                         cmd->result = DID_NO_CONNECT << 16;
 404                         goto qc_fail_command;
 405                 }
 406                 goto qc_target_busy;
 407         }
 408
 409         spin_unlock_irq(ha->host->host_lock);
 410
 411         sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
 412         if (!sp)
 413                 goto qc_host_busy_lock;
 414
 415         rval = qla2x00_start_scsi(sp);
 416         if (rval != QLA_SUCCESS)
 417                 goto qc_host_busy_free_sp;
 418
 419         spin_lock_irq(ha->host->host_lock);
 420
 421         return 0;
 422
 423 qc_host_busy_free_sp:
 424         qla2x00_sp_free_dma(ha, sp);
 425         mempool_free(sp, ha->srb_mempool);
 426
 427 qc_host_busy_lock:
 428         spin_lock_irq(ha->host->host_lock);
 429         return SCSI_MLQUEUE_HOST_BUSY;
 430
 431 qc_target_busy:
 432         return SCSI_MLQUEUE_TARGET_BUSY;
 433
 434 qc_fail_command:
 435         done(cmd);
 436
 437         return 0;
 438 }
 439
 440
 441 static int
 442 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 443 {
 444         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 445         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 446         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 447         srb_t *sp;
 448         int rval;
 449         scsi_qla_host_t *pha = to_qla_parent(ha);
 450
 451         if (unlikely(pci_channel_offline(pha->pdev))) {
 452                 cmd->result = DID_REQUEUE << 16;
 453                 goto qc24_fail_command;
 454         }
 455
 456         rval = fc_remote_port_chkready(rport);
 457         if (rval) {
 458                 cmd->result = rval;
 459                 goto qc24_fail_command;
 460         }
 461
 462         /* Close window on fcport/rport state-transitioning. */
 463         if (fcport->drport)
 464                 goto qc24_target_busy;
 465
 466         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 467                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 468                     atomic_read(&pha->loop_state) == LOOP_DEAD) {
 469                         cmd->result = DID_NO_CONNECT << 16;
 470                         goto qc24_fail_command;
 471                 }
 472                 goto qc24_target_busy;
 473         }
 474
 475         spin_unlock_irq(ha->host->host_lock);
 476
 477         sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
 478         if (!sp)
 479                 goto qc24_host_busy_lock;
 480
 481         rval = qla24xx_start_scsi(sp);
 482         if (rval != QLA_SUCCESS)
 483                 goto qc24_host_busy_free_sp;
 484
 485         spin_lock_irq(ha->host->host_lock);
 486
 487         return 0;
 488
 489 qc24_host_busy_free_sp:
 490         qla2x00_sp_free_dma(pha, sp);
 491         mempool_free(sp, pha->srb_mempool);
 492
 493 qc24_host_busy_lock:
 494         spin_lock_irq(ha->host->host_lock);
 495         return SCSI_MLQUEUE_HOST_BUSY;
 496
 497 qc24_target_busy:
 498         return SCSI_MLQUEUE_TARGET_BUSY;
 499
 500 qc24_fail_command:
 501         done(cmd);
 502
 503         return 0;
 504 }
 505
 506
 507 /*
 508  * qla2x00_eh_wait_on_command
 509  *    Waits for the command to be returned by the Firmware for some
 510  *    max time.
 511  *
 512  * Input:
 513  *    ha = actual ha whose done queue will contain the command
 514  *            returned by firmware.
 515  *    cmd = Scsi Command to wait on.
 516  *    flag = Abort/Reset(Bus or Device Reset)
 517  *
 518  * Return:
 519  *    Not Found : 0
 520  *    Found : 1
 521  */
 522 static int
 523 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
 524 {
 525 #define ABORT_POLLING_PERIOD    1000
 526 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 527         unsigned long wait_iter = ABORT_WAIT_ITER;
 528         int ret = QLA_SUCCESS;
 529
 530         while (CMD_SP(cmd)) {
 531                 msleep(ABORT_POLLING_PERIOD);
 532
 533                 if (--wait_iter)
 534                         break;
 535         }
 536         if (CMD_SP(cmd))
 537                 ret = QLA_FUNCTION_FAILED;
 538
 539         return ret;
 540 }
 541
 542 /*
 543  * qla2x00_wait_for_hba_online
 544  *    Wait till the HBA is online after going through
 545  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 546  *    finally HBA is disabled ie marked offline
 547  *
 548  * Input:
 549  *     ha - pointer to host adapter structure
 550  *
 551  * Note:
 552  *    Does context switching-Release SPIN_LOCK
 553  *    (if any) before calling this routine.
 554  *
 555  * Return:
 556  *    Success (Adapter is online) : 0
 557  *    Failed  (Adapter is offline/disabled) : 1
 558  */
 559 int
 560 qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
 561 {
 562         int             return_status;
 563         unsigned long   wait_online;
 564         scsi_qla_host_t *pha = to_qla_parent(ha);
 565
 566         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 567         while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
 568             test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
 569             test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
 570             pha->dpc_active) && time_before(jiffies, wait_online)) {
 571
 572                 msleep(1000);
 573         }
 574         if (pha->flags.online)
 575                 return_status = QLA_SUCCESS;
 576         else
 577                 return_status = QLA_FUNCTION_FAILED;
 578
 579         return (return_status);
 580 }
 581
 582 /*
 583  * qla2x00_wait_for_loop_ready
 584  *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 585  *    to be in LOOP_READY state.
 586  * Input:
 587  *     ha - pointer to host adapter structure
 588  *
 589  * Note:
 590  *    Does context switching-Release SPIN_LOCK
 591  *    (if any) before calling this routine.
 592  *
 593  *
 594  * Return:
 595  *    Success (LOOP_READY) : 0
 596  *    Failed  (LOOP_NOT_READY) : 1
 597  */
 598 static inline int
 599 qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
 600 {
 601         int      return_status = QLA_SUCCESS;
 602         unsigned long loop_timeout ;
 603         scsi_qla_host_t *pha = to_qla_parent(ha);
 604
 605         /* wait for 5 min at the max for loop to be ready */
 606         loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 607
 608         while ((!atomic_read(&pha->loop_down_timer) &&
 609             atomic_read(&pha->loop_state) == LOOP_DOWN) ||
 610             atomic_read(&pha->loop_state) != LOOP_READY) {
 611                 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
 612                         return_status = QLA_FUNCTION_FAILED;
 613                         break;
 614                 }
 615                 msleep(1000);
 616                 if (time_after_eq(jiffies, loop_timeout)) {
 617                         return_status = QLA_FUNCTION_FAILED;
 618                         break;
 619                 }
 620         }
 621         return (return_status);
 622 }
 623
 624 void
 625 qla2x00_abort_fcport_cmds(fc_port_t *fcport)
 626 {
 627         int cnt;
 628         unsigned long flags;
 629         srb_t *sp;
 630         scsi_qla_host_t *ha = fcport->ha;
 631         scsi_qla_host_t *pha = to_qla_parent(ha);
 632
 633         spin_lock_irqsave(&pha->hardware_lock, flags);
 634         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 635                 sp = pha->outstanding_cmds[cnt];
 636                 if (!sp)
 637                         continue;
 638                 if (sp->fcport != fcport)
 639                         continue;
 640
 641                 spin_unlock_irqrestore(&pha->hardware_lock, flags);
 642                 if (ha->isp_ops->abort_command(ha, sp)) {
 643                         DEBUG2(qla_printk(KERN_WARNING, ha,
 644                             "Abort failed --  %lx\n", sp->cmd->serial_number));
 645                 } else {
 646                         if (qla2x00_eh_wait_on_command(ha, sp->cmd) !=
 647                             QLA_SUCCESS)
 648                                 DEBUG2(qla_printk(KERN_WARNING, ha,
 649                                     "Abort failed while waiting --  %lx\n",
 650                                     sp->cmd->serial_number));
 651
 652                 }
 653                 spin_lock_irqsave(&pha->hardware_lock, flags);
 654         }
 655         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 656 }
 657
 658 static void
 659 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
 660 {
 661         struct Scsi_Host *shost = cmnd->device->host;
 662         struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
 663         unsigned long flags;
 664
 665         spin_lock_irqsave(shost->host_lock, flags);
 666         while (rport->port_state == FC_PORTSTATE_BLOCKED) {
 667                 spin_unlock_irqrestore(shost->host_lock, flags);
 668                 msleep(1000);
 669                 spin_lock_irqsave(shost->host_lock, flags);
 670         }
 671         spin_unlock_irqrestore(shost->host_lock, flags);
 672         return;
 673 }
 674
 675 /**************************************************************************
 676 * qla2xxx_eh_abort
 677 *
 678 * Description:
 679 *    The abort function will abort the specified command.
 680 *
 681 * Input:
 682 *    cmd = Linux SCSI command packet to be aborted.
 683 *
 684 * Returns:
 685 *    Either SUCCESS or FAILED.
 686 *
 687 * Note:
 688 *    Only return FAILED if command not returned by firmware.
 689 **************************************************************************/
 690 static int
 691 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 692 {
 693         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 694         srb_t *sp;
 695         int ret, i;
 696         unsigned int id, lun;
 697         unsigned long serial;
 698         unsigned long flags;
 699         int wait = 0;
 700         scsi_qla_host_t *pha = to_qla_parent(ha);
 701
 702         qla2x00_block_error_handler(cmd);
 703
 704         if (!CMD_SP(cmd))
 705                 return SUCCESS;
 706
 707         ret = SUCCESS;
 708
 709         id = cmd->device->id;
 710         lun = cmd->device->lun;
 711         serial = cmd->serial_number;
 712
 713         /* Check active list for command command. */
 714         spin_lock_irqsave(&pha->hardware_lock, flags);
 715         for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
 716                 sp = pha->outstanding_cmds[i];
 717
 718                 if (sp == NULL)
 719                         continue;
 720
 721                 if (sp->cmd != cmd)
 722                         continue;
 723
 724                 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
 725                     __func__, ha->host_no, sp, serial));
 726
 727                 spin_unlock_irqrestore(&pha->hardware_lock, flags);
 728                 if (ha->isp_ops->abort_command(ha, sp)) {
 729                         DEBUG2(printk("%s(%ld): abort_command "
 730                             "mbx failed.\n", __func__, ha->host_no));
 731                         ret = FAILED;
 732                 } else {
 733                         DEBUG3(printk("%s(%ld): abort_command "
 734                             "mbx success.\n", __func__, ha->host_no));
 735                         wait = 1;
 736                 }
 737                 spin_lock_irqsave(&pha->hardware_lock, flags);
 738
 739                 break;
 740         }
 741         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 742
 743         /* Wait for the command to be returned. */
 744         if (wait) {
 745                 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
 746                         qla_printk(KERN_ERR, ha,
 747                             "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
 748                             "%x.\n", ha->host_no, id, lun, serial, ret);
 749                         ret = FAILED;
 750                 }
 751         }
 752
 753         qla_printk(KERN_INFO, ha,
 754             "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
 755             ha->host_no, id, lun, wait, serial, ret);
 756
 757         return ret;
 758 }
 759
 760 enum nexus_wait_type {
 761         WAIT_HOST = 0,
 762         WAIT_TARGET,
 763         WAIT_LUN,
 764 };
 765
 766 static int
 767 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha, unsigned int t,
 768     unsigned int l, enum nexus_wait_type type)
 769 {
 770         int cnt, match, status;
 771         srb_t *sp;
 772         unsigned long flags;
 773         scsi_qla_host_t *pha = to_qla_parent(ha);
 774
 775         status = QLA_SUCCESS;
 776         spin_lock_irqsave(&pha->hardware_lock, flags);
 777         for (cnt = 1; status == QLA_SUCCESS && cnt < MAX_OUTSTANDING_COMMANDS;
 778             cnt++) {
 779                 sp = pha->outstanding_cmds[cnt];
 780                 if (!sp)
 781                         continue;
 782
 783                 if (ha->vp_idx != sp->fcport->ha->vp_idx)
 784                         continue;
 785                 match = 0;
 786                 switch (type) {
 787                 case WAIT_HOST:
 788                         match = 1;
 789                         break;
 790                 case WAIT_TARGET:
 791                         match = sp->cmd->device->id == t;
 792                         break;
 793                 case WAIT_LUN:
 794                         match = (sp->cmd->device->id == t &&
 795                             sp->cmd->device->lun == l);
 796                         break;
 797                 }
 798                 if (!match)
 799                         continue;
 800
 801                 spin_unlock_irqrestore(&pha->hardware_lock, flags);
 802                 status = qla2x00_eh_wait_on_command(ha, sp->cmd);
 803                 spin_lock_irqsave(&pha->hardware_lock, flags);
 804         }
 805         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 806
 807         return status;
 808 }
 809
 810 static char *reset_errors[] = {
 811         "HBA not online",
 812         "HBA not ready",
 813         "Task management failed",
 814         "Waiting for command completions",
 815 };
 816
 817 static int
 818 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
 819     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
 820 {
 821         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 822         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 823         int err;
 824
 825         qla2x00_block_error_handler(cmd);
 826
 827         if (!fcport)
 828                 return FAILED;
 829
 830         qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
 831             ha->host_no, cmd->device->id, cmd->device->lun, name);
 832
 833         err = 0;
 834         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 835                 goto eh_reset_failed;
 836         err = 1;
 837         if (qla2x00_wait_for_loop_ready(ha) != QLA_SUCCESS)
 838                 goto eh_reset_failed;
 839         err = 2;
 840         if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
 841                 goto eh_reset_failed;
 842         err = 3;
 843         if (qla2x00_eh_wait_for_pending_commands(ha, cmd->device->id,
 844             cmd->device->lun, type) != QLA_SUCCESS)
 845                 goto eh_reset_failed;
 846
 847         qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
 848             ha->host_no, cmd->device->id, cmd->device->lun, name);
 849
 850         return SUCCESS;
 851
 852  eh_reset_failed:
 853         qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n",
 854             ha->host_no, cmd->device->id, cmd->device->lun, name,
 855             reset_errors[err]);
 856         return FAILED;
 857 }
 858
 859 static int
 860 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
 861 {
 862         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 863
 864         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
 865             ha->isp_ops->lun_reset);
 866 }
 867
 868 static int
 869 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
 870 {
 871         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 872
 873         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
 874             ha->isp_ops->target_reset);
 875 }
 876
 877 /**************************************************************************
 878 * qla2xxx_eh_bus_reset
 879 *
 880 * Description:
 881 *    The bus reset function will reset the bus and abort any executing
 882 *    commands.
 883 *
 884 * Input:
 885 *    cmd = Linux SCSI command packet of the command that cause the
 886 *          bus reset.
 887 *
 888 * Returns:
 889 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 890 *
 891 **************************************************************************/
 892 static int
 893 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 894 {
 895         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 896         scsi_qla_host_t *pha = to_qla_parent(ha);
 897         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 898         int ret = FAILED;
 899         unsigned int id, lun;
 900         unsigned long serial;
 901
 902         qla2x00_block_error_handler(cmd);
 903
 904         id = cmd->device->id;
 905         lun = cmd->device->lun;
 906         serial = cmd->serial_number;
 907
 908         if (!fcport)
 909                 return ret;
 910
 911         qla_printk(KERN_INFO, ha,
 912             "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
 913
 914         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
 915                 DEBUG2(printk("%s failed:board disabled\n",__func__));
 916                 goto eh_bus_reset_done;
 917         }
 918
 919         if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
 920                 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
 921                         ret = SUCCESS;
 922         }
 923         if (ret == FAILED)
 924                 goto eh_bus_reset_done;
 925
 926         /* Flush outstanding commands. */
 927         if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) !=
 928             QLA_SUCCESS)
 929                 ret = FAILED;
 930
 931 eh_bus_reset_done:
 932         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
 933             (ret == FAILED) ? "failed" : "succeded");
 934
 935         return ret;
 936 }
 937
 938 /**************************************************************************
 939 * qla2xxx_eh_host_reset
 940 *
 941 * Description:
 942 *    The reset function will reset the Adapter.
 943 *
 944 * Input:
 945 *      cmd = Linux SCSI command packet of the command that cause the
 946 *            adapter reset.
 947 *
 948 * Returns:
 949 *      Either SUCCESS or FAILED.
 950 *
 951 * Note:
 952 **************************************************************************/
 953 static int
 954 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 955 {
 956         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 957         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 958         int ret = FAILED;
 959         unsigned int id, lun;
 960         unsigned long serial;
 961         scsi_qla_host_t *pha = to_qla_parent(ha);
 962
 963         qla2x00_block_error_handler(cmd);
 964
 965         id = cmd->device->id;
 966         lun = cmd->device->lun;
 967         serial = cmd->serial_number;
 968
 969         if (!fcport)
 970                 return ret;
 971
 972         qla_printk(KERN_INFO, ha,
 973             "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
 974
 975         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 976                 goto eh_host_reset_lock;
 977
 978         /*
 979          * Fixme-may be dpc thread is active and processing
 980          * loop_resync,so wait a while for it to
 981          * be completed and then issue big hammer.Otherwise
 982          * it may cause I/O failure as big hammer marks the
 983          * devices as lost kicking of the port_down_timer
 984          * while dpc is stuck for the mailbox to complete.
 985          */
 986         qla2x00_wait_for_loop_ready(ha);
 987         set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
 988         if (qla2x00_abort_isp(pha)) {
 989                 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
 990                 /* failed. schedule dpc to try */
 991                 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
 992
 993                 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 994                         goto eh_host_reset_lock;
 995         }
 996         clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
 997
 998         /* Waiting for our command in done_queue to be returned to OS.*/
 999         if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) ==
1000             QLA_SUCCESS)
1001                 ret = SUCCESS;
1002
1003         if (ha->parent)
1004                 qla2x00_vp_abort_isp(ha);
1005
1006 eh_host_reset_lock:
1007         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1008             (ret == FAILED) ? "failed" : "succeded");
1009
1010         return ret;
1011 }
1012
1013 /*
1014 * qla2x00_loop_reset
1015 *      Issue loop reset.
1016 *
1017 * Input:
1018 *      ha = adapter block pointer.
1019 *
1020 * Returns:
1021 *      0 = success
1022 */
1023 int
1024 qla2x00_loop_reset(scsi_qla_host_t *ha)
1025 {
1026         int ret;
1027         struct fc_port *fcport;
1028
1029         if (ha->flags.enable_lip_full_login) {
1030                 ret = qla2x00_full_login_lip(ha);
1031                 if (ret != QLA_SUCCESS) {
1032                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1033                             "full_login_lip=%d.\n", __func__, ha->host_no,
1034                             ret));
1035                 }
1036                 atomic_set(&ha->loop_state, LOOP_DOWN);
1037                 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1038                 qla2x00_mark_all_devices_lost(ha, 0);
1039                 qla2x00_wait_for_loop_ready(ha);
1040         }
1041
1042         if (ha->flags.enable_lip_reset) {
1043                 ret = qla2x00_lip_reset(ha);
1044                 if (ret != QLA_SUCCESS) {
1045                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1046                             "lip_reset=%d.\n", __func__, ha->host_no, ret));
1047                 }
1048                 qla2x00_wait_for_loop_ready(ha);
1049         }
1050
1051         if (ha->flags.enable_target_reset) {
1052                 list_for_each_entry(fcport, &ha->fcports, list) {
1053                         if (fcport->port_type != FCT_TARGET)
1054                                 continue;
1055
1056                         ret = ha->isp_ops->target_reset(fcport, 0);
1057                         if (ret != QLA_SUCCESS) {
1058                                 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1059                                     "target_reset=%d d_id=%x.\n", __func__,
1060                                     ha->host_no, ret, fcport->d_id.b24));
1061                         }
1062                 }
1063         }
1064
1065         /* Issue marker command only when we are going to start the I/O */
1066         ha->marker_needed = 1;
1067
1068         return QLA_SUCCESS;
1069 }
1070
1071 void
1072 qla2x00_abort_all_cmds(scsi_qla_host_t *ha, int res)
1073 {
1074         int cnt;
1075         unsigned long flags;
1076         srb_t *sp;
1077
1078         spin_lock_irqsave(&ha->hardware_lock, flags);
1079         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1080                 sp = ha->outstanding_cmds[cnt];
1081                 if (sp) {
1082                         ha->outstanding_cmds[cnt] = NULL;
1083                         sp->cmd->result = res;
1084                         qla2x00_sp_compl(ha, sp);
1085                 }
1086         }
1087         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1088 }
1089
1090 static int
1091 qla2xxx_slave_alloc(struct scsi_device *sdev)
1092 {
1093         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1094
1095         if (!rport || fc_remote_port_chkready(rport))
1096                 return -ENXIO;
1097
1098         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1099
1100         return 0;
1101 }
1102
1103 static int
1104 qla2xxx_slave_configure(struct scsi_device *sdev)
1105 {
1106         scsi_qla_host_t *ha = shost_priv(sdev->host);
1107         struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1108
1109         if (sdev->tagged_supported)
1110                 scsi_activate_tcq(sdev, ha->max_q_depth);
1111         else
1112                 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1113
1114         rport->dev_loss_tmo = ha->port_down_retry_count;
1115
1116         return 0;
1117 }
1118
1119 static void
1120 qla2xxx_slave_destroy(struct scsi_device *sdev)
1121 {
1122         sdev->hostdata = NULL;
1123 }
1124
1125 static int
1126 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1127 {
1128         scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1129         return sdev->queue_depth;
1130 }
1131
1132 static int
1133 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1134 {
1135         if (sdev->tagged_supported) {
1136                 scsi_set_tag_type(sdev, tag_type);
1137                 if (tag_type)
1138                         scsi_activate_tcq(sdev, sdev->queue_depth);
1139                 else
1140                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1141         } else
1142                 tag_type = 0;
1143
1144         return tag_type;
1145 }
1146
1147 /**
1148  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1149  * @ha: HA context
1150  *
1151  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1152  * supported addressing method.
1153  */
1154 static void
1155 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1156 {
1157         /* Assume a 32bit DMA mask. */
1158         ha->flags.enable_64bit_addressing = 0;
1159
1160         if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1161                 /* Any upper-dword bits set? */
1162                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1163                     !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1164                         /* Ok, a 64bit DMA mask is applicable. */
1165                         ha->flags.enable_64bit_addressing = 1;
1166                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1167                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1168                         return;
1169                 }
1170         }
1171
1172         dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1173         pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1174 }
1175
1176 static void
1177 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1178 {
1179         unsigned long flags = 0;
1180         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1181
1182         spin_lock_irqsave(&ha->hardware_lock, flags);
1183         ha->interrupts_on = 1;
1184         /* enable risc and host interrupts */
1185         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1186         RD_REG_WORD(&reg->ictrl);
1187         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1188
1189 }
1190
1191 static void
1192 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1193 {
1194         unsigned long flags = 0;
1195         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1196
1197         spin_lock_irqsave(&ha->hardware_lock, flags);
1198         ha->interrupts_on = 0;
1199         /* disable risc and host interrupts */
1200         WRT_REG_WORD(&reg->ictrl, 0);
1201         RD_REG_WORD(&reg->ictrl);
1202         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1203 }
1204
1205 static void
1206 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1207 {
1208         unsigned long flags = 0;
1209         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1210
1211         spin_lock_irqsave(&ha->hardware_lock, flags);
1212         ha->interrupts_on = 1;
1213         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1214         RD_REG_DWORD(&reg->ictrl);
1215         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1216 }
1217
1218 static void
1219 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1220 {
1221         unsigned long flags = 0;
1222         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1223
1224         spin_lock_irqsave(&ha->hardware_lock, flags);
1225         ha->interrupts_on = 0;
1226         WRT_REG_DWORD(&reg->ictrl, 0);
1227         RD_REG_DWORD(&reg->ictrl);
1228         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1229 }
1230
1231 static struct isp_operations qla2100_isp_ops = {
1232         .pci_config             = qla2100_pci_config,
1233         .reset_chip             = qla2x00_reset_chip,
1234         .chip_diag              = qla2x00_chip_diag,
1235         .config_rings           = qla2x00_config_rings,
1236         .reset_adapter          = qla2x00_reset_adapter,
1237         .nvram_config           = qla2x00_nvram_config,
1238         .update_fw_options      = qla2x00_update_fw_options,
1239         .load_risc              = qla2x00_load_risc,
1240         .pci_info_str           = qla2x00_pci_info_str,
1241         .fw_version_str         = qla2x00_fw_version_str,
1242         .intr_handler           = qla2100_intr_handler,
1243         .enable_intrs           = qla2x00_enable_intrs,
1244         .disable_intrs          = qla2x00_disable_intrs,
1245         .abort_command          = qla2x00_abort_command,
1246         .target_reset           = qla2x00_abort_target,
1247         .lun_reset              = qla2x00_lun_reset,
1248         .fabric_login           = qla2x00_login_fabric,
1249         .fabric_logout          = qla2x00_fabric_logout,
1250         .calc_req_entries       = qla2x00_calc_iocbs_32,
1251         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1252         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1253         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1254         .read_nvram             = qla2x00_read_nvram_data,
1255         .write_nvram            = qla2x00_write_nvram_data,
1256         .fw_dump                = qla2100_fw_dump,
1257         .beacon_on              = NULL,
1258         .beacon_off             = NULL,
1259         .beacon_blink           = NULL,
1260         .read_optrom            = qla2x00_read_optrom_data,
1261         .write_optrom           = qla2x00_write_optrom_data,
1262         .get_flash_version      = qla2x00_get_flash_version,
1263 };
1264
1265 static struct isp_operations qla2300_isp_ops = {
1266         .pci_config             = qla2300_pci_config,
1267         .reset_chip             = qla2x00_reset_chip,
1268         .chip_diag              = qla2x00_chip_diag,
1269         .config_rings           = qla2x00_config_rings,
1270         .reset_adapter          = qla2x00_reset_adapter,
1271         .nvram_config           = qla2x00_nvram_config,
1272         .update_fw_options      = qla2x00_update_fw_options,
1273         .load_risc              = qla2x00_load_risc,
1274         .pci_info_str           = qla2x00_pci_info_str,
1275         .fw_version_str         = qla2x00_fw_version_str,
1276         .intr_handler           = qla2300_intr_handler,
1277         .enable_intrs           = qla2x00_enable_intrs,
1278         .disable_intrs          = qla2x00_disable_intrs,
1279         .abort_command          = qla2x00_abort_command,
1280         .target_reset           = qla2x00_abort_target,
1281         .lun_reset              = qla2x00_lun_reset,
1282         .fabric_login           = qla2x00_login_fabric,
1283         .fabric_logout          = qla2x00_fabric_logout,
1284         .calc_req_entries       = qla2x00_calc_iocbs_32,
1285         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1286         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1287         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1288         .read_nvram             = qla2x00_read_nvram_data,
1289         .write_nvram            = qla2x00_write_nvram_data,
1290         .fw_dump                = qla2300_fw_dump,
1291         .beacon_on              = qla2x00_beacon_on,
1292         .beacon_off             = qla2x00_beacon_off,
1293         .beacon_blink           = qla2x00_beacon_blink,
1294         .read_optrom            = qla2x00_read_optrom_data,
1295         .write_optrom           = qla2x00_write_optrom_data,
1296         .get_flash_version      = qla2x00_get_flash_version,
1297 };
1298
1299 static struct isp_operations qla24xx_isp_ops = {
1300         .pci_config             = qla24xx_pci_config,
1301         .reset_chip             = qla24xx_reset_chip,
1302         .chip_diag              = qla24xx_chip_diag,
1303         .config_rings           = qla24xx_config_rings,
1304         .reset_adapter          = qla24xx_reset_adapter,
1305         .nvram_config           = qla24xx_nvram_config,
1306         .update_fw_options      = qla24xx_update_fw_options,
1307         .load_risc              = qla24xx_load_risc,
1308         .pci_info_str           = qla24xx_pci_info_str,
1309         .fw_version_str         = qla24xx_fw_version_str,
1310         .intr_handler           = qla24xx_intr_handler,
1311         .enable_intrs           = qla24xx_enable_intrs,
1312         .disable_intrs          = qla24xx_disable_intrs,
1313         .abort_command          = qla24xx_abort_command,
1314         .target_reset           = qla24xx_abort_target,
1315         .lun_reset              = qla24xx_lun_reset,
1316         .fabric_login           = qla24xx_login_fabric,
1317         .fabric_logout          = qla24xx_fabric_logout,
1318         .calc_req_entries       = NULL,
1319         .build_iocbs            = NULL,
1320         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1321         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1322         .read_nvram             = qla24xx_read_nvram_data,
1323         .write_nvram            = qla24xx_write_nvram_data,
1324         .fw_dump                = qla24xx_fw_dump,
1325         .beacon_on              = qla24xx_beacon_on,
1326         .beacon_off             = qla24xx_beacon_off,
1327         .beacon_blink           = qla24xx_beacon_blink,
1328         .read_optrom            = qla24xx_read_optrom_data,
1329         .write_optrom           = qla24xx_write_optrom_data,
1330         .get_flash_version      = qla24xx_get_flash_version,
1331 };
1332
1333 static struct isp_operations qla25xx_isp_ops = {
1334         .pci_config             = qla25xx_pci_config,
1335         .reset_chip             = qla24xx_reset_chip,
1336         .chip_diag              = qla24xx_chip_diag,
1337         .config_rings           = qla24xx_config_rings,
1338         .reset_adapter          = qla24xx_reset_adapter,
1339         .nvram_config           = qla24xx_nvram_config,
1340         .update_fw_options      = qla24xx_update_fw_options,
1341         .load_risc              = qla24xx_load_risc,
1342         .pci_info_str           = qla24xx_pci_info_str,
1343         .fw_version_str         = qla24xx_fw_version_str,
1344         .intr_handler           = qla24xx_intr_handler,
1345         .enable_intrs           = qla24xx_enable_intrs,
1346         .disable_intrs          = qla24xx_disable_intrs,
1347         .abort_command          = qla24xx_abort_command,
1348         .target_reset           = qla24xx_abort_target,
1349         .lun_reset              = qla24xx_lun_reset,
1350         .fabric_login           = qla24xx_login_fabric,
1351         .fabric_logout          = qla24xx_fabric_logout,
1352         .calc_req_entries       = NULL,
1353         .build_iocbs            = NULL,
1354         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1355         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1356         .read_nvram             = qla25xx_read_nvram_data,
1357         .write_nvram            = qla25xx_write_nvram_data,
1358         .fw_dump                = qla25xx_fw_dump,
1359         .beacon_on              = qla24xx_beacon_on,
1360         .beacon_off             = qla24xx_beacon_off,
1361         .beacon_blink           = qla24xx_beacon_blink,
1362         .read_optrom            = qla25xx_read_optrom_data,
1363         .write_optrom           = qla24xx_write_optrom_data,
1364         .get_flash_version      = qla24xx_get_flash_version,
1365 };
1366
1367 static inline void
1368 qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1369 {
1370         ha->device_type = DT_EXTENDED_IDS;
1371         switch (ha->pdev->device) {
1372         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1373                 ha->device_type |= DT_ISP2100;
1374                 ha->device_type &= ~DT_EXTENDED_IDS;
1375                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1376                 break;
1377         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1378                 ha->device_type |= DT_ISP2200;
1379                 ha->device_type &= ~DT_EXTENDED_IDS;
1380                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1381                 break;
1382         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1383                 ha->device_type |= DT_ISP2300;
1384                 ha->device_type |= DT_ZIO_SUPPORTED;
1385                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1386                 break;
1387         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1388                 ha->device_type |= DT_ISP2312;
1389                 ha->device_type |= DT_ZIO_SUPPORTED;
1390                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1391                 break;
1392         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1393                 ha->device_type |= DT_ISP2322;
1394                 ha->device_type |= DT_ZIO_SUPPORTED;
1395                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1396                     ha->pdev->subsystem_device == 0x0170)
1397                         ha->device_type |= DT_OEM_001;
1398                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1399                 break;
1400         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1401                 ha->device_type |= DT_ISP6312;
1402                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1403                 break;
1404         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1405                 ha->device_type |= DT_ISP6322;
1406                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1407                 break;
1408         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1409                 ha->device_type |= DT_ISP2422;
1410                 ha->device_type |= DT_ZIO_SUPPORTED;
1411                 ha->device_type |= DT_FWI2;
1412                 ha->device_type |= DT_IIDMA;
1413                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1414                 break;
1415         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1416                 ha->device_type |= DT_ISP2432;
1417                 ha->device_type |= DT_ZIO_SUPPORTED;
1418                 ha->device_type |= DT_FWI2;
1419                 ha->device_type |= DT_IIDMA;
1420                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1421                 break;
1422         case PCI_DEVICE_ID_QLOGIC_ISP8432:
1423                 ha->device_type |= DT_ISP8432;
1424                 ha->device_type |= DT_ZIO_SUPPORTED;
1425                 ha->device_type |= DT_FWI2;
1426                 ha->device_type |= DT_IIDMA;
1427                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1428                 break;
1429         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1430                 ha->device_type |= DT_ISP5422;
1431                 ha->device_type |= DT_FWI2;
1432                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1433                 break;
1434         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1435                 ha->device_type |= DT_ISP5432;
1436                 ha->device_type |= DT_FWI2;
1437                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1438                 break;
1439         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1440                 ha->device_type |= DT_ISP2532;
1441                 ha->device_type |= DT_ZIO_SUPPORTED;
1442                 ha->device_type |= DT_FWI2;
1443                 ha->device_type |= DT_IIDMA;
1444                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1445                 break;
1446         }
1447 }
1448
1449 static int
1450 qla2x00_iospace_config(scsi_qla_host_t *ha)
1451 {
1452         resource_size_t pio;
1453
1454         if (pci_request_selected_regions(ha->pdev, ha->bars,
1455             QLA2XXX_DRIVER_NAME)) {
1456                 qla_printk(KERN_WARNING, ha,
1457                     "Failed to reserve PIO/MMIO regions (%s)\n",
1458                     pci_name(ha->pdev));
1459
1460                 goto iospace_error_exit;
1461         }
1462         if (!(ha->bars & 1))
1463                 goto skip_pio;
1464
1465         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1466         pio = pci_resource_start(ha->pdev, 0);
1467         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1468                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1469                         qla_printk(KERN_WARNING, ha,
1470                             "Invalid PCI I/O region size (%s)...\n",
1471                                 pci_name(ha->pdev));
1472                         pio = 0;
1473                 }
1474         } else {
1475                 qla_printk(KERN_WARNING, ha,
1476                     "region #0 not a PIO resource (%s)...\n",
1477                     pci_name(ha->pdev));
1478                 pio = 0;
1479         }
1480         ha->pio_address = pio;
1481
1482 skip_pio:
1483         /* Use MMIO operations for all accesses. */
1484         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1485                 qla_printk(KERN_ERR, ha,
1486                     "region #1 not an MMIO resource (%s), aborting\n",
1487                     pci_name(ha->pdev));
1488                 goto iospace_error_exit;
1489         }
1490         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1491                 qla_printk(KERN_ERR, ha,
1492                     "Invalid PCI mem region size (%s), aborting\n",
1493                         pci_name(ha->pdev));
1494                 goto iospace_error_exit;
1495         }
1496
1497         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1498         if (!ha->iobase) {
1499                 qla_printk(KERN_ERR, ha,
1500                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1501
1502                 goto iospace_error_exit;
1503         }
1504
1505         return (0);
1506
1507 iospace_error_exit:
1508         return (-ENOMEM);
1509 }
1510
1511 static void
1512 qla2xxx_scan_start(struct Scsi_Host *shost)
1513 {
1514         scsi_qla_host_t *ha = shost_priv(shost);
1515
1516         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1517         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1518         set_bit(RSCN_UPDATE, &ha->dpc_flags);
1519         set_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags);
1520 }
1521
1522 static int
1523 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1524 {
1525         scsi_qla_host_t *ha = shost_priv(shost);
1526
1527         if (!ha->host)
1528                 return 1;
1529         if (time > ha->loop_reset_delay * HZ)
1530                 return 1;
1531
1532         return atomic_read(&ha->loop_state) == LOOP_READY;
1533 }
1534
1535 /*
1536  * PCI driver interface
1537  */
1538 static int __devinit
1539 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1540 {
1541         int     ret = -ENODEV;
1542         struct Scsi_Host *host;
1543         scsi_qla_host_t *ha;
1544         char pci_info[30];
1545         char fw_str[30];
1546         struct scsi_host_template *sht;
1547         int bars, mem_only = 0;
1548
1549         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1550         sht = &qla2x00_driver_template;
1551         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1552             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1553             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1554             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1555             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1556             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1557                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1558                 sht = &qla24xx_driver_template;
1559                 mem_only = 1;
1560         }
1561
1562         if (mem_only) {
1563                 if (pci_enable_device_mem(pdev))
1564                         goto probe_out;
1565         } else {
1566                 if (pci_enable_device(pdev))
1567                         goto probe_out;
1568         }
1569
1570         /* This may fail but that's ok */
1571         pci_enable_pcie_error_reporting(pdev);
1572
1573         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1574         if (host == NULL) {
1575                 printk(KERN_WARNING
1576                     "qla2xxx: Couldn't allocate host from scsi layer!\n");
1577                 goto probe_disable_device;
1578         }
1579
1580         /* Clear our data area */
1581         ha = shost_priv(host);
1582         memset(ha, 0, sizeof(scsi_qla_host_t));
1583
1584         ha->pdev = pdev;
1585         ha->host = host;
1586         ha->host_no = host->host_no;
1587         sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
1588         ha->parent = NULL;
1589         ha->bars = bars;
1590         ha->mem_only = mem_only;
1591         spin_lock_init(&ha->hardware_lock);
1592
1593         /* Set ISP-type information. */
1594         qla2x00_set_isp_flags(ha);
1595
1596         /* Configure PCI I/O space */
1597         ret = qla2x00_iospace_config(ha);
1598         if (ret)
1599                 goto probe_failed;
1600
1601         qla_printk(KERN_INFO, ha,
1602             "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1603             ha->iobase);
1604
1605         ha->prev_topology = 0;
1606         ha->init_cb_size = sizeof(init_cb_t);
1607         ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
1608         ha->link_data_rate = PORT_SPEED_UNKNOWN;
1609         ha->optrom_size = OPTROM_SIZE_2300;
1610
1611         ha->max_q_depth = MAX_Q_DEPTH;
1612         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1613                 ha->max_q_depth = ql2xmaxqdepth;
1614
1615         /* Assign ISP specific operations. */
1616         if (IS_QLA2100(ha)) {
1617                 host->max_id = MAX_TARGETS_2100;
1618                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1619                 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1620                 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1621                 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1622                 host->sg_tablesize = 32;
1623                 ha->gid_list_info_size = 4;
1624                 ha->isp_ops = &qla2100_isp_ops;
1625         } else if (IS_QLA2200(ha)) {
1626                 host->max_id = MAX_TARGETS_2200;
1627                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1628                 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1629                 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1630                 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1631                 ha->gid_list_info_size = 4;
1632                 ha->isp_ops = &qla2100_isp_ops;
1633         } else if (IS_QLA23XX(ha)) {
1634                 host->max_id = MAX_TARGETS_2200;
1635                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1636                 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1637                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1638                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1639                 ha->gid_list_info_size = 6;
1640                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1641                         ha->optrom_size = OPTROM_SIZE_2322;
1642                 ha->isp_ops = &qla2300_isp_ops;
1643         } else if (IS_QLA24XX_TYPE(ha)) {
1644                 host->max_id = MAX_TARGETS_2200;
1645                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1646                 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1647                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1648                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1649                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1650                 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1651                 ha->gid_list_info_size = 8;
1652                 ha->optrom_size = OPTROM_SIZE_24XX;
1653                 ha->isp_ops = &qla24xx_isp_ops;
1654         } else if (IS_QLA25XX(ha)) {
1655                 host->max_id = MAX_TARGETS_2200;
1656                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1657                 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1658                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1659                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1660                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1661                 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1662                 ha->gid_list_info_size = 8;
1663                 ha->optrom_size = OPTROM_SIZE_25XX;
1664                 ha->isp_ops = &qla25xx_isp_ops;
1665         }
1666         host->can_queue = ha->request_q_length + 128;
1667
1668         mutex_init(&ha->vport_lock);
1669         init_completion(&ha->mbx_cmd_comp);
1670         complete(&ha->mbx_cmd_comp);
1671         init_completion(&ha->mbx_intr_comp);
1672
1673         INIT_LIST_HEAD(&ha->list);
1674         INIT_LIST_HEAD(&ha->fcports);
1675         INIT_LIST_HEAD(&ha->vp_list);
1676         INIT_LIST_HEAD(&ha->work_list);
1677
1678         set_bit(0, (unsigned long *) ha->vp_idx_map);
1679
1680         qla2x00_config_dma_addressing(ha);
1681         if (qla2x00_mem_alloc(ha)) {
1682                 qla_printk(KERN_WARNING, ha,
1683                     "[ERROR] Failed to allocate memory for adapter\n");
1684
1685                 ret = -ENOMEM;
1686                 goto probe_failed;
1687         }
1688
1689         if (qla2x00_initialize_adapter(ha)) {
1690                 qla_printk(KERN_WARNING, ha,
1691                     "Failed to initialize adapter\n");
1692
1693                 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1694                     "Adapter flags %x.\n",
1695                     ha->host_no, ha->device_flags));
1696
1697                 ret = -ENODEV;
1698                 goto probe_failed;
1699         }
1700
1701         /*
1702          * Startup the kernel thread for this host adapter
1703          */
1704         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1705                         "%s_dpc", ha->host_str);
1706         if (IS_ERR(ha->dpc_thread)) {
1707                 qla_printk(KERN_WARNING, ha,
1708                     "Unable to start DPC thread!\n");
1709                 ret = PTR_ERR(ha->dpc_thread);
1710                 goto probe_failed;
1711         }
1712
1713         host->this_id = 255;
1714         host->cmd_per_lun = 3;
1715         host->unique_id = host->host_no;
1716         host->max_cmd_len = MAX_CMDSZ;
1717         host->max_channel = MAX_BUSES - 1;
1718         host->max_lun = MAX_LUNS;
1719         host->transportt = qla2xxx_transport_template;
1720
1721         ret = qla2x00_request_irqs(ha);
1722         if (ret)
1723                 goto probe_failed;
1724
1725         /* Initialized the timer */
1726         qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1727
1728         DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1729             ha->host_no, ha));
1730
1731         pci_set_drvdata(pdev, ha);
1732
1733         ha->flags.init_done = 1;
1734         ha->flags.online = 1;
1735
1736         ret = scsi_add_host(host, &pdev->dev);
1737         if (ret)
1738                 goto probe_failed;
1739
1740         ha->isp_ops->enable_intrs(ha);
1741
1742         scsi_scan_host(host);
1743
1744         qla2x00_alloc_sysfs_attr(ha);
1745
1746         qla2x00_init_host_attr(ha);
1747
1748         qla2x00_dfs_setup(ha);
1749
1750         qla_printk(KERN_INFO, ha, "\n"
1751             " QLogic Fibre Channel HBA Driver: %s\n"
1752             "  QLogic %s - %s\n"
1753             "  ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1754             qla2x00_version_str, ha->model_number,
1755             ha->model_desc ? ha->model_desc: "", pdev->device,
1756             ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
1757             ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1758             ha->isp_ops->fw_version_str(ha, fw_str));
1759
1760         return 0;
1761
1762 probe_failed:
1763         qla2x00_free_device(ha);
1764
1765         scsi_host_put(host);
1766
1767 probe_disable_device:
1768         pci_disable_device(pdev);
1769
1770 probe_out:
1771         return ret;
1772 }
1773
1774 static void
1775 qla2x00_remove_one(struct pci_dev *pdev)
1776 {
1777         scsi_qla_host_t *ha, *vha, *temp;
1778
1779         ha = pci_get_drvdata(pdev);
1780
1781         list_for_each_entry_safe(vha, temp, &ha->vp_list, vp_list)
1782                 fc_vport_terminate(vha->fc_vport);
1783
1784         set_bit(UNLOADING, &ha->dpc_flags);
1785
1786         qla2x00_dfs_remove(ha);
1787
1788         qla84xx_put_chip(ha);
1789
1790         qla2x00_free_sysfs_attr(ha);
1791
1792         fc_remove_host(ha->host);
1793
1794         scsi_remove_host(ha->host);
1795
1796         qla2x00_free_device(ha);
1797
1798         scsi_host_put(ha->host);
1799
1800         pci_disable_device(pdev);
1801         pci_set_drvdata(pdev, NULL);
1802 }
1803
1804 static void
1805 qla2x00_free_device(scsi_qla_host_t *ha)
1806 {
1807         qla2x00_abort_all_cmds(ha, DID_NO_CONNECT << 16);
1808
1809         /* Disable timer */
1810         if (ha->timer_active)
1811                 qla2x00_stop_timer(ha);
1812
1813         ha->flags.online = 0;
1814
1815         /* Kill the kernel thread for this host */
1816         if (ha->dpc_thread) {
1817                 struct task_struct *t = ha->dpc_thread;
1818
1819                 /*
1820                  * qla2xxx_wake_dpc checks for ->dpc_thread
1821                  * so we need to zero it out.
1822                  */
1823                 ha->dpc_thread = NULL;
1824                 kthread_stop(t);
1825         }
1826
1827         if (ha->flags.fce_enabled)
1828                 qla2x00_disable_fce_trace(ha, NULL, NULL);
1829
1830         if (ha->eft)
1831                 qla2x00_disable_eft_trace(ha);
1832
1833         /* Stop currently executing firmware. */
1834         qla2x00_try_to_stop_firmware(ha);
1835
1836         /* turn-off interrupts on the card */
1837         if (ha->interrupts_on)
1838                 ha->isp_ops->disable_intrs(ha);
1839
1840         qla2x00_mem_free(ha);
1841
1842         qla2x00_free_irqs(ha);
1843
1844         /* release io space registers  */
1845         if (ha->iobase)
1846                 iounmap(ha->iobase);
1847         pci_release_selected_regions(ha->pdev, ha->bars);
1848 }
1849
1850 static inline void
1851 qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1852     int defer)
1853 {
1854         struct fc_rport *rport;
1855         scsi_qla_host_t *pha = to_qla_parent(ha);
1856
1857         if (!fcport->rport)
1858                 return;
1859
1860         rport = fcport->rport;
1861         if (defer) {
1862                 spin_lock_irq(ha->host->host_lock);
1863                 fcport->drport = rport;
1864                 spin_unlock_irq(ha->host->host_lock);
1865                 set_bit(FCPORT_UPDATE_NEEDED, &pha->dpc_flags);
1866                 qla2xxx_wake_dpc(pha);
1867         } else
1868                 fc_remote_port_delete(rport);
1869 }
1870
1871 /*
1872  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1873  *
1874  * Input: ha = adapter block pointer.  fcport = port structure pointer.
1875  *
1876  * Return: None.
1877  *
1878  * Context:
1879  */
1880 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1881     int do_login, int defer)
1882 {
1883         if (atomic_read(&fcport->state) == FCS_ONLINE &&
1884             ha->vp_idx == fcport->vp_idx)
1885                 qla2x00_schedule_rport_del(ha, fcport, defer);
1886
1887         /*
1888          * We may need to retry the login, so don't change the state of the
1889          * port but do the retries.
1890          */
1891         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1892                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1893
1894         if (!do_login)
1895                 return;
1896
1897         if (fcport->login_retry == 0) {
1898                 fcport->login_retry = ha->login_retry_count;
1899                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1900
1901                 DEBUG(printk("scsi(%ld): Port login retry: "
1902                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
1903                     "id = 0x%04x retry cnt=%d\n",
1904                     ha->host_no,
1905                     fcport->port_name[0],
1906                     fcport->port_name[1],
1907                     fcport->port_name[2],
1908                     fcport->port_name[3],
1909                     fcport->port_name[4],
1910                     fcport->port_name[5],
1911                     fcport->port_name[6],
1912                     fcport->port_name[7],
1913                     fcport->loop_id,
1914                     fcport->login_retry));
1915         }
1916 }
1917
1918 /*
1919  * qla2x00_mark_all_devices_lost
1920  *      Updates fcport state when device goes offline.
1921  *
1922  * Input:
1923  *      ha = adapter block pointer.
1924  *      fcport = port structure pointer.
1925  *
1926  * Return:
1927  *      None.
1928  *
1929  * Context:
1930  */
1931 void
1932 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1933 {
1934         fc_port_t *fcport;
1935         scsi_qla_host_t *pha = to_qla_parent(ha);
1936
1937         list_for_each_entry(fcport, &pha->fcports, list) {
1938                 if (ha->vp_idx != fcport->vp_idx)
1939                         continue;
1940                 /*
1941                  * No point in marking the device as lost, if the device is
1942                  * already DEAD.
1943                  */
1944                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1945                         continue;
1946                 if (atomic_read(&fcport->state) == FCS_ONLINE)
1947                         qla2x00_schedule_rport_del(ha, fcport, defer);
1948                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1949         }
1950 }
1951
1952 /*
1953 * qla2x00_mem_alloc
1954 *      Allocates adapter memory.
1955 *
1956 * Returns:
1957 *      0  = success.
1958 *      !0  = failure.
1959 */
1960 static int
1961 qla2x00_mem_alloc(scsi_qla_host_t *ha)
1962 {
1963         char    name[16];
1964
1965         ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1966             (ha->request_q_length + 1) * sizeof(request_t), &ha->request_dma,
1967             GFP_KERNEL);
1968         if (!ha->request_ring)
1969                 goto fail;
1970
1971         ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1972             (ha->response_q_length + 1) * sizeof(response_t),
1973             &ha->response_dma, GFP_KERNEL);
1974         if (!ha->response_ring)
1975                 goto fail_free_request_ring;
1976
1977         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1978             &ha->gid_list_dma, GFP_KERNEL);
1979         if (!ha->gid_list)
1980                 goto fail_free_response_ring;
1981
1982         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
1983             &ha->init_cb_dma, GFP_KERNEL);
1984         if (!ha->init_cb)
1985                 goto fail_free_gid_list;
1986
1987         snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
1988             ha->host_no);
1989         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1990             DMA_POOL_SIZE, 8, 0);
1991         if (!ha->s_dma_pool)
1992                 goto fail_free_init_cb;
1993
1994         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
1995         if (!ha->srb_mempool)
1996                 goto fail_free_s_dma_pool;
1997
1998         /* Get memory for cached NVRAM */
1999         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2000         if (!ha->nvram)
2001                 goto fail_free_srb_mempool;
2002
2003         /* Allocate memory for SNS commands */
2004         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2005                 /* Get consistent memory allocated for SNS commands */
2006                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2007                     sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2008                 if (!ha->sns_cmd)
2009                         goto fail_free_nvram;
2010         } else {
2011                 /* Get consistent memory allocated for MS IOCB */
2012                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2013                     &ha->ms_iocb_dma);
2014                 if (!ha->ms_iocb)
2015                         goto fail_free_nvram;
2016
2017                 /* Get consistent memory allocated for CT SNS commands */
2018                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2019                     sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2020                 if (!ha->ct_sns)
2021                         goto fail_free_ms_iocb;
2022         }
2023
2024         return 0;
2025
2026 fail_free_ms_iocb:
2027         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2028         ha->ms_iocb = NULL;
2029         ha->ms_iocb_dma = 0;
2030 fail_free_nvram:
2031         kfree(ha->nvram);
2032         ha->nvram = NULL;
2033 fail_free_srb_mempool:
2034         mempool_destroy(ha->srb_mempool);
2035         ha->srb_mempool = NULL;
2036 fail_free_s_dma_pool:
2037         dma_pool_destroy(ha->s_dma_pool);
2038         ha->s_dma_pool = NULL;
2039 fail_free_init_cb:
2040         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2041             ha->init_cb_dma);
2042         ha->init_cb = NULL;
2043         ha->init_cb_dma = 0;
2044 fail_free_gid_list:
2045         dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2046             ha->gid_list_dma);
2047         ha->gid_list = NULL;
2048         ha->gid_list_dma = 0;
2049 fail_free_response_ring:
2050         dma_free_coherent(&ha->pdev->dev, (ha->response_q_length + 1) *
2051             sizeof(response_t), ha->response_ring, ha->response_dma);
2052         ha->response_ring = NULL;
2053         ha->response_dma = 0;
2054 fail_free_request_ring:
2055         dma_free_coherent(&ha->pdev->dev, (ha->request_q_length + 1) *
2056             sizeof(request_t), ha->request_ring, ha->request_dma);
2057         ha->request_ring = NULL;
2058         ha->request_dma = 0;
2059 fail:
2060         return -ENOMEM;
2061 }
2062
2063 /*
2064 * qla2x00_mem_free
2065 *      Frees all adapter allocated memory.
2066 *
2067 * Input:
2068 *      ha = adapter block pointer.
2069 */
2070 static void
2071 qla2x00_mem_free(scsi_qla_host_t *ha)
2072 {
2073         struct list_head        *fcpl, *fcptemp;
2074         fc_port_t       *fcport;
2075
2076         if (ha->srb_mempool)
2077                 mempool_destroy(ha->srb_mempool);
2078
2079         if (ha->fce)
2080                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2081                     ha->fce_dma);
2082
2083         if (ha->fw_dump) {
2084                 if (ha->eft)
2085                         dma_free_coherent(&ha->pdev->dev,
2086                             ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2087                 vfree(ha->fw_dump);
2088         }
2089
2090         if (ha->sns_cmd)
2091                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2092                     ha->sns_cmd, ha->sns_cmd_dma);
2093
2094         if (ha->ct_sns)
2095                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2096                     ha->ct_sns, ha->ct_sns_dma);
2097
2098         if (ha->sfp_data)
2099                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2100
2101         if (ha->ms_iocb)
2102                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2103
2104         if (ha->s_dma_pool)
2105                 dma_pool_destroy(ha->s_dma_pool);
2106
2107         if (ha->init_cb)
2108                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2109                     ha->init_cb, ha->init_cb_dma);
2110
2111         if (ha->gid_list)
2112                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2113                     ha->gid_list_dma);
2114
2115         if (ha->response_ring)
2116                 dma_free_coherent(&ha->pdev->dev,
2117                     (ha->response_q_length + 1) * sizeof(response_t),
2118                     ha->response_ring, ha->response_dma);
2119
2120         if (ha->request_ring)
2121                 dma_free_coherent(&ha->pdev->dev,
2122                     (ha->request_q_length + 1) * sizeof(request_t),
2123                     ha->request_ring, ha->request_dma);
2124
2125         ha->srb_mempool = NULL;
2126         ha->eft = NULL;
2127         ha->eft_dma = 0;
2128         ha->sns_cmd = NULL;
2129         ha->sns_cmd_dma = 0;
2130         ha->ct_sns = NULL;
2131         ha->ct_sns_dma = 0;
2132         ha->ms_iocb = NULL;
2133         ha->ms_iocb_dma = 0;
2134         ha->init_cb = NULL;
2135         ha->init_cb_dma = 0;
2136
2137         ha->s_dma_pool = NULL;
2138
2139         ha->gid_list = NULL;
2140         ha->gid_list_dma = 0;
2141
2142         ha->response_ring = NULL;
2143         ha->response_dma = 0;
2144         ha->request_ring = NULL;
2145         ha->request_dma = 0;
2146
2147         list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2148                 fcport = list_entry(fcpl, fc_port_t, list);
2149
2150                 /* fc ports */
2151                 list_del_init(&fcport->list);
2152                 kfree(fcport);
2153         }
2154         INIT_LIST_HEAD(&ha->fcports);
2155
2156         ha->fw_dump = NULL;
2157         ha->fw_dumped = 0;
2158         ha->fw_dump_reading = 0;
2159
2160         vfree(ha->optrom_buffer);
2161         kfree(ha->nvram);
2162 }
2163
2164 static struct qla_work_evt *
2165 qla2x00_alloc_work(struct scsi_qla_host *ha, enum qla_work_type type,
2166     int locked)
2167 {
2168         struct qla_work_evt *e;
2169
2170         e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2171             GFP_KERNEL);
2172         if (!e)
2173                 return NULL;
2174
2175         INIT_LIST_HEAD(&e->list);
2176         e->type = type;
2177         e->flags = QLA_EVT_FLAG_FREE;
2178         return e;
2179 }
2180
2181 static int
2182 qla2x00_post_work(struct scsi_qla_host *ha, struct qla_work_evt *e, int locked)
2183 {
2184         unsigned long uninitialized_var(flags);
2185         scsi_qla_host_t *pha = to_qla_parent(ha);
2186
2187         if (!locked)
2188                 spin_lock_irqsave(&pha->hardware_lock, flags);
2189         list_add_tail(&e->list, &ha->work_list);
2190         qla2xxx_wake_dpc(ha);
2191         if (!locked)
2192                 spin_unlock_irqrestore(&pha->hardware_lock, flags);
2193         return QLA_SUCCESS;
2194 }
2195
2196 int
2197 qla2x00_post_aen_work(struct scsi_qla_host *ha, enum fc_host_event_code code,
2198     u32 data)
2199 {
2200         struct qla_work_evt *e;
2201
2202         e = qla2x00_alloc_work(ha, QLA_EVT_AEN, 1);
2203         if (!e)
2204                 return QLA_FUNCTION_FAILED;
2205
2206         e->u.aen.code = code;
2207         e->u.aen.data = data;
2208         return qla2x00_post_work(ha, e, 1);
2209 }
2210
2211 int
2212 qla2x00_post_hwe_work(struct scsi_qla_host *ha, uint16_t code, uint16_t d1,
2213     uint16_t d2, uint16_t d3)
2214 {
2215         struct qla_work_evt *e;
2216
2217         e = qla2x00_alloc_work(ha, QLA_EVT_HWE_LOG, 1);
2218         if (!e)
2219                 return QLA_FUNCTION_FAILED;
2220
2221         e->u.hwe.code = code;
2222         e->u.hwe.d1 = d1;
2223         e->u.hwe.d2 = d2;
2224         e->u.hwe.d3 = d3;
2225         return qla2x00_post_work(ha, e, 1);
2226 }
2227
2228 static void
2229 qla2x00_do_work(struct scsi_qla_host *ha)
2230 {
2231         struct qla_work_evt *e;
2232         scsi_qla_host_t *pha = to_qla_parent(ha);
2233
2234         spin_lock_irq(&pha->hardware_lock);
2235         while (!list_empty(&ha->work_list)) {
2236                 e = list_entry(ha->work_list.next, struct qla_work_evt, list);
2237                 list_del_init(&e->list);
2238                 spin_unlock_irq(&pha->hardware_lock);
2239
2240                 switch (e->type) {
2241                 case QLA_EVT_AEN:
2242                         fc_host_post_event(ha->host, fc_get_event_number(),
2243                             e->u.aen.code, e->u.aen.data);
2244                         break;
2245                 case QLA_EVT_HWE_LOG:
2246                         qla2xxx_hw_event_log(ha, e->u.hwe.code, e->u.hwe.d1,
2247                             e->u.hwe.d2, e->u.hwe.d3);
2248                         break;
2249                 }
2250                 if (e->flags & QLA_EVT_FLAG_FREE)
2251                         kfree(e);
2252                 spin_lock_irq(&pha->hardware_lock);
2253         }
2254         spin_unlock_irq(&pha->hardware_lock);
2255 }
2256
2257 /**************************************************************************
2258 * qla2x00_do_dpc
2259 *   This kernel thread is a task that is schedule by the interrupt handler
2260 *   to perform the background processing for interrupts.
2261 *
2262 * Notes:
2263 * This task always run in the context of a kernel thread.  It
2264 * is kick-off by the driver's detect code and starts up
2265 * up one per adapter. It immediately goes to sleep and waits for
2266 * some fibre event.  When either the interrupt handler or
2267 * the timer routine detects a event it will one of the task
2268 * bits then wake us up.
2269 **************************************************************************/
2270 static int
2271 qla2x00_do_dpc(void *data)
2272 {
2273         int             rval;
2274         scsi_qla_host_t *ha;
2275         fc_port_t       *fcport;
2276         uint8_t         status;
2277         uint16_t        next_loopid;
2278         struct scsi_qla_host *vha;
2279         int             i;
2280
2281
2282         ha = (scsi_qla_host_t *)data;
2283
2284         set_user_nice(current, -20);
2285
2286         while (!kthread_should_stop()) {
2287                 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2288
2289                 set_current_state(TASK_INTERRUPTIBLE);
2290                 schedule();
2291                 __set_current_state(TASK_RUNNING);
2292
2293                 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2294
2295                 /* Initialization not yet finished. Don't do anything yet. */
2296                 if (!ha->flags.init_done)
2297                         continue;
2298
2299                 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2300
2301                 ha->dpc_active = 1;
2302
2303                 if (ha->flags.mbox_busy) {
2304                         ha->dpc_active = 0;
2305                         continue;
2306                 }
2307
2308                 qla2x00_do_work(ha);
2309
2310                 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2311
2312                         DEBUG(printk("scsi(%ld): dpc: sched "
2313                             "qla2x00_abort_isp ha = %p\n",
2314                             ha->host_no, ha));
2315                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2316                             &ha->dpc_flags))) {
2317
2318                                 if (qla2x00_abort_isp(ha)) {
2319                                         /* failed. retry later */
2320                                         set_bit(ISP_ABORT_NEEDED,
2321                                             &ha->dpc_flags);
2322                                 }
2323                                 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2324                         }
2325
2326                         for_each_mapped_vp_idx(ha, i) {
2327                                 list_for_each_entry(vha, &ha->vp_list,
2328                                     vp_list) {
2329                                         if (i == vha->vp_idx) {
2330                                                 set_bit(ISP_ABORT_NEEDED,
2331                                                     &vha->dpc_flags);
2332                                                 break;
2333                                         }
2334                                 }
2335                         }
2336
2337                         DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2338                             ha->host_no));
2339                 }
2340
2341                 if (test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags)) {
2342                         qla2x00_update_fcports(ha);
2343                         clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
2344                 }
2345
2346                 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2347                     (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2348
2349                         DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2350                             ha->host_no));
2351
2352                         qla2x00_rst_aen(ha);
2353                         clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2354                 }
2355
2356                 /* Retry each device up to login retry count */
2357                 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2358                     !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2359                     atomic_read(&ha->loop_state) != LOOP_DOWN) {
2360
2361                         DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2362                             ha->host_no));
2363
2364                         next_loopid = 0;
2365                         list_for_each_entry(fcport, &ha->fcports, list) {
2366                                 /*
2367                                  * If the port is not ONLINE then try to login
2368                                  * to it if we haven't run out of retries.
2369                                  */
2370                                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2371                                     fcport->login_retry) {
2372
2373                                         if (fcport->flags & FCF_FABRIC_DEVICE) {
2374                                                 if (fcport->flags &
2375                                                     FCF_TAPE_PRESENT)
2376                                                         ha->isp_ops->fabric_logout(
2377                                                             ha, fcport->loop_id,
2378                                                             fcport->d_id.b.domain,
2379                                                             fcport->d_id.b.area,
2380                                                             fcport->d_id.b.al_pa);
2381                                                 status = qla2x00_fabric_login(
2382                                                     ha, fcport, &next_loopid);
2383                                         } else
2384                                                 status =
2385                                                     qla2x00_local_device_login(
2386                                                         ha, fcport);
2387
2388                                         fcport->login_retry--;
2389                                         if (status == QLA_SUCCESS) {
2390                                                 fcport->old_loop_id = fcport->loop_id;
2391
2392                                                 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2393                                                     ha->host_no, fcport->loop_id));
2394
2395                                                 qla2x00_update_fcport(ha,
2396                                                     fcport);
2397                                         } else if (status == 1) {
2398                                                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2399                                                 /* retry the login again */
2400                                                 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2401                                                     ha->host_no,
2402                                                     fcport->login_retry, fcport->loop_id));
2403                                         } else {
2404                                                 fcport->login_retry = 0;
2405                                         }
2406                                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2407                                                 fcport->loop_id = FC_NO_LOOP_ID;
2408                                 }
2409                                 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2410                                         break;
2411                         }
2412                         DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2413                             ha->host_no));
2414                 }
2415
2416                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2417
2418                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2419                             ha->host_no));
2420
2421                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2422                             &ha->dpc_flags))) {
2423
2424                                 rval = qla2x00_loop_resync(ha);
2425
2426                                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2427                         }
2428
2429                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2430                             ha->host_no));
2431                 }
2432
2433                 if (test_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags) &&
2434                     atomic_read(&ha->loop_state) == LOOP_READY) {
2435                         clear_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags);
2436                         qla2xxx_flash_npiv_conf(ha);
2437                 }
2438
2439                 if (!ha->interrupts_on)
2440                         ha->isp_ops->enable_intrs(ha);
2441
2442                 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2443                         ha->isp_ops->beacon_blink(ha);
2444
2445                 qla2x00_do_dpc_all_vps(ha);
2446
2447                 ha->dpc_active = 0;
2448         } /* End of while(1) */
2449
2450         DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2451
2452         /*
2453          * Make sure that nobody tries to wake us up again.
2454          */
2455         ha->dpc_active = 0;
2456
2457         return 0;
2458 }
2459
2460 void
2461 qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2462 {
2463         struct task_struct *t = ha->dpc_thread;
2464
2465         if (!test_bit(UNLOADING, &ha->dpc_flags) && t)
2466                 wake_up_process(t);
2467 }
2468
2469 /*
2470 *  qla2x00_rst_aen
2471 *      Processes asynchronous reset.
2472 *
2473 * Input:
2474 *      ha  = adapter block pointer.
2475 */
2476 static void
2477 qla2x00_rst_aen(scsi_qla_host_t *ha)
2478 {
2479         if (ha->flags.online && !ha->flags.reset_active &&
2480             !atomic_read(&ha->loop_down_timer) &&
2481             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2482                 do {
2483                         clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2484
2485                         /*
2486                          * Issue marker command only when we are going to start
2487                          * the I/O.
2488                          */
2489                         ha->marker_needed = 1;
2490                 } while (!atomic_read(&ha->loop_down_timer) &&
2491                     (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2492         }
2493 }
2494
2495 static void
2496 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2497 {
2498         struct scsi_cmnd *cmd = sp->cmd;
2499
2500         if (sp->flags & SRB_DMA_VALID) {
2501                 scsi_dma_unmap(cmd);
2502                 sp->flags &= ~SRB_DMA_VALID;
2503         }
2504         CMD_SP(cmd) = NULL;
2505 }
2506
2507 void
2508 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2509 {
2510         struct scsi_cmnd *cmd = sp->cmd;
2511
2512         qla2x00_sp_free_dma(ha, sp);
2513
2514         mempool_free(sp, ha->srb_mempool);
2515
2516         cmd->scsi_done(cmd);
2517 }
2518
2519 /**************************************************************************
2520 *   qla2x00_timer
2521 *
2522 * Description:
2523 *   One second timer
2524 *
2525 * Context: Interrupt
2526 ***************************************************************************/
2527 void
2528 qla2x00_timer(scsi_qla_host_t *ha)
2529 {
2530         unsigned long   cpu_flags = 0;
2531         fc_port_t       *fcport;
2532         int             start_dpc = 0;
2533         int             index;
2534         srb_t           *sp;
2535         int             t;
2536         scsi_qla_host_t *pha = to_qla_parent(ha);
2537
2538         /*
2539          * Ports - Port down timer.
2540          *
2541          * Whenever, a port is in the LOST state we start decrementing its port
2542          * down timer every second until it reaches zero. Once  it reaches zero
2543          * the port it marked DEAD.
2544          */
2545         t = 0;
2546         list_for_each_entry(fcport, &ha->fcports, list) {
2547                 if (fcport->port_type != FCT_TARGET)
2548                         continue;
2549
2550                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2551
2552                         if (atomic_read(&fcport->port_down_timer) == 0)
2553                                 continue;
2554
2555                         if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2556                                 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2557
2558                         DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2559                             "%d remaining\n",
2560                             ha->host_no,
2561                             t, atomic_read(&fcport->port_down_timer)));
2562                 }
2563                 t++;
2564         } /* End of for fcport  */
2565
2566
2567         /* Loop down handler. */
2568         if (atomic_read(&ha->loop_down_timer) > 0 &&
2569             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2570
2571                 if (atomic_read(&ha->loop_down_timer) ==
2572                     ha->loop_down_abort_time) {
2573
2574                         DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2575                             "queues before time expire\n",
2576                             ha->host_no));
2577
2578                         if (!IS_QLA2100(ha) && ha->link_down_timeout)
2579                                 atomic_set(&ha->loop_state, LOOP_DEAD);
2580
2581                         /* Schedule an ISP abort to return any tape commands. */
2582                         /* NPIV - scan physical port only */
2583                         if (!ha->parent) {
2584                                 spin_lock_irqsave(&ha->hardware_lock,
2585                                     cpu_flags);
2586                                 for (index = 1;
2587                                     index < MAX_OUTSTANDING_COMMANDS;
2588                                     index++) {
2589                                         fc_port_t *sfcp;
2590
2591                                         sp = ha->outstanding_cmds[index];
2592                                         if (!sp)
2593                                                 continue;
2594                                         sfcp = sp->fcport;
2595                                         if (!(sfcp->flags & FCF_TAPE_PRESENT))
2596                                                 continue;
2597
2598                                         set_bit(ISP_ABORT_NEEDED,
2599                                             &ha->dpc_flags);
2600                                         break;
2601                                 }
2602                                 spin_unlock_irqrestore(&ha->hardware_lock,
2603                                     cpu_flags);
2604                         }
2605                         set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2606                         start_dpc++;
2607                 }
2608
2609                 /* if the loop has been down for 4 minutes, reinit adapter */
2610                 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2611                         DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2612                             "restarting queues.\n",
2613                             ha->host_no));
2614
2615                         set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2616                         start_dpc++;
2617
2618                         if (!(ha->device_flags & DFLG_NO_CABLE) &&
2619                             !ha->parent) {
2620                                 DEBUG(printk("scsi(%ld): Loop down - "
2621                                     "aborting ISP.\n",
2622                                     ha->host_no));
2623                                 qla_printk(KERN_WARNING, ha,
2624                                     "Loop down - aborting ISP.\n");
2625
2626                                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2627                         }
2628                 }
2629                 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2630                     ha->host_no,
2631                     atomic_read(&ha->loop_down_timer)));
2632         }
2633
2634         /* Check if beacon LED needs to be blinked */
2635         if (ha->beacon_blink_led == 1) {
2636                 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2637                 start_dpc++;
2638         }
2639
2640         /* Process any deferred work. */
2641         if (!list_empty(&ha->work_list))
2642                 start_dpc++;
2643
2644         /* Schedule the DPC routine if needed */
2645         if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2646             test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2647             test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
2648             start_dpc ||
2649             test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2650             test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2651             test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
2652             test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2653                 qla2xxx_wake_dpc(pha);
2654
2655         qla2x00_restart_timer(ha, WATCH_INTERVAL);
2656 }
2657
2658 /* Firmware interface routines. */
2659
2660 #define FW_BLOBS        6
2661 #define FW_ISP21XX      0
2662 #define FW_ISP22XX      1
2663 #define FW_ISP2300      2
2664 #define FW_ISP2322      3
2665 #define FW_ISP24XX      4
2666 #define FW_ISP25XX      5
2667
2668 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2669 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2670 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2671 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2672 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2673 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2674
2675 static DEFINE_MUTEX(qla_fw_lock);
2676
2677 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2678         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2679         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2680         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2681         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2682         { .name = FW_FILE_ISP24XX, },
2683         { .name = FW_FILE_ISP25XX, },
2684 };
2685
2686 struct fw_blob *
2687 qla2x00_request_firmware(scsi_qla_host_t *ha)
2688 {
2689         struct fw_blob *blob;
2690
2691         blob = NULL;
2692         if (IS_QLA2100(ha)) {
2693                 blob = &qla_fw_blobs[FW_ISP21XX];
2694         } else if (IS_QLA2200(ha)) {
2695                 blob = &qla_fw_blobs[FW_ISP22XX];
2696         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2697                 blob = &qla_fw_blobs[FW_ISP2300];
2698         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2699                 blob = &qla_fw_blobs[FW_ISP2322];
2700         } else if (IS_QLA24XX_TYPE(ha)) {
2701                 blob = &qla_fw_blobs[FW_ISP24XX];
2702         } else if (IS_QLA25XX(ha)) {
2703                 blob = &qla_fw_blobs[FW_ISP25XX];
2704         }
2705
2706         mutex_lock(&qla_fw_lock);
2707         if (blob->fw)
2708                 goto out;
2709
2710         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2711                 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2712                     "(%s).\n", ha->host_no, blob->name));
2713                 blob->fw = NULL;
2714                 blob = NULL;
2715                 goto out;
2716         }
2717
2718 out:
2719         mutex_unlock(&qla_fw_lock);
2720         return blob;
2721 }
2722
2723 static void
2724 qla2x00_release_firmware(void)
2725 {
2726         int idx;
2727
2728         mutex_lock(&qla_fw_lock);
2729         for (idx = 0; idx < FW_BLOBS; idx++)
2730                 if (qla_fw_blobs[idx].fw)
2731                         release_firmware(qla_fw_blobs[idx].fw);
2732         mutex_unlock(&qla_fw_lock);
2733 }
2734
2735 static pci_ers_result_t
2736 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2737 {
2738         switch (state) {
2739         case pci_channel_io_normal:
2740                 return PCI_ERS_RESULT_CAN_RECOVER;
2741         case pci_channel_io_frozen:
2742                 pci_disable_device(pdev);
2743                 return PCI_ERS_RESULT_NEED_RESET;
2744         case pci_channel_io_perm_failure:
2745                 qla2x00_remove_one(pdev);
2746                 return PCI_ERS_RESULT_DISCONNECT;
2747         }
2748         return PCI_ERS_RESULT_NEED_RESET;
2749 }
2750
2751 static pci_ers_result_t
2752 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2753 {
2754         int risc_paused = 0;
2755         uint32_t stat;
2756         unsigned long flags;
2757         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2758         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2759         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2760
2761         spin_lock_irqsave(&ha->hardware_lock, flags);
2762         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2763                 stat = RD_REG_DWORD(&reg->hccr);
2764                 if (stat & HCCR_RISC_PAUSE)
2765                         risc_paused = 1;
2766         } else if (IS_QLA23XX(ha)) {
2767                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2768                 if (stat & HSR_RISC_PAUSED)
2769                         risc_paused = 1;
2770         } else if (IS_FWI2_CAPABLE(ha)) {
2771                 stat = RD_REG_DWORD(&reg24->host_status);
2772                 if (stat & HSRX_RISC_PAUSED)
2773                         risc_paused = 1;
2774         }
2775         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2776
2777         if (risc_paused) {
2778                 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2779                     "Dumping firmware!\n");
2780                 ha->isp_ops->fw_dump(ha, 0);
2781
2782                 return PCI_ERS_RESULT_NEED_RESET;
2783         } else
2784                 return PCI_ERS_RESULT_RECOVERED;
2785 }
2786
2787 static pci_ers_result_t
2788 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2789 {
2790         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2791         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2792         int rc;
2793
2794         if (ha->mem_only)
2795                 rc = pci_enable_device_mem(pdev);
2796         else
2797                 rc = pci_enable_device(pdev);
2798
2799         if (rc) {
2800                 qla_printk(KERN_WARNING, ha,
2801                     "Can't re-enable PCI device after reset.\n");
2802
2803                 return ret;
2804         }
2805         pci_set_master(pdev);
2806
2807         if (ha->isp_ops->pci_config(ha))
2808                 return ret;
2809
2810         set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2811         if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2812                 ret =  PCI_ERS_RESULT_RECOVERED;
2813         clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2814
2815         return ret;
2816 }
2817
2818 static void
2819 qla2xxx_pci_resume(struct pci_dev *pdev)
2820 {
2821         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2822         int ret;
2823
2824         ret = qla2x00_wait_for_hba_online(ha);
2825         if (ret != QLA_SUCCESS) {
2826                 qla_printk(KERN_ERR, ha,
2827                     "the device failed to resume I/O "
2828                     "from slot/link_reset");
2829         }
2830         pci_cleanup_aer_uncorrect_error_status(pdev);
2831 }
2832
2833 static struct pci_error_handlers qla2xxx_err_handler = {
2834         .error_detected = qla2xxx_pci_error_detected,
2835         .mmio_enabled = qla2xxx_pci_mmio_enabled,
2836         .slot_reset = qla2xxx_pci_slot_reset,
2837         .resume = qla2xxx_pci_resume,
2838 };
2839
2840 static struct pci_device_id qla2xxx_pci_tbl[] = {
2841         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2842         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2843         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2844         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2845         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2846         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2847         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2848         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2849         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2850         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
2851         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2852         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
2853         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
2854         { 0 },
2855 };
2856 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2857
2858 static struct pci_driver qla2xxx_pci_driver = {
2859         .name           = QLA2XXX_DRIVER_NAME,
2860         .driver         = {
2861                 .owner          = THIS_MODULE,
2862         },
2863         .id_table       = qla2xxx_pci_tbl,
2864         .probe          = qla2x00_probe_one,
2865         .remove         = qla2x00_remove_one,
2866         .err_handler    = &qla2xxx_err_handler,
2867 };
2868
2869 /**
2870  * qla2x00_module_init - Module initialization.
2871  **/
2872 static int __init
2873 qla2x00_module_init(void)
2874 {
2875         int ret = 0;
2876
2877         /* Allocate cache for SRBs. */
2878         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2879             SLAB_HWCACHE_ALIGN, NULL);
2880         if (srb_cachep == NULL) {
2881                 printk(KERN_ERR
2882                     "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2883                 return -ENOMEM;
2884         }
2885
2886         /* Derive version string. */
2887         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2888         if (ql2xextended_error_logging)
2889                 strcat(qla2x00_version_str, "-debug");
2890
2891         qla2xxx_transport_template =
2892             fc_attach_transport(&qla2xxx_transport_functions);
2893         if (!qla2xxx_transport_template) {
2894                 kmem_cache_destroy(srb_cachep);
2895                 return -ENODEV;
2896         }
2897         qla2xxx_transport_vport_template =
2898             fc_attach_transport(&qla2xxx_transport_vport_functions);
2899         if (!qla2xxx_transport_vport_template) {
2900                 kmem_cache_destroy(srb_cachep);
2901                 fc_release_transport(qla2xxx_transport_template);
2902                 return -ENODEV;
2903         }
2904
2905         printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
2906             qla2x00_version_str);
2907         ret = pci_register_driver(&qla2xxx_pci_driver);
2908         if (ret) {
2909                 kmem_cache_destroy(srb_cachep);
2910                 fc_release_transport(qla2xxx_transport_template);
2911                 fc_release_transport(qla2xxx_transport_vport_template);
2912         }
2913         return ret;
2914 }
2915
2916 /**
2917  * qla2x00_module_exit - Module cleanup.
2918  **/
2919 static void __exit
2920 qla2x00_module_exit(void)
2921 {
2922         pci_unregister_driver(&qla2xxx_pci_driver);
2923         qla2x00_release_firmware();
2924         kmem_cache_destroy(srb_cachep);
2925         fc_release_transport(qla2xxx_transport_template);
2926         fc_release_transport(qla2xxx_transport_vport_template);
2927 }
2928
2929 module_init(qla2x00_module_init);
2930 module_exit(qla2x00_module_exit);
2931
2932 MODULE_AUTHOR("QLogic Corporation");
2933 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2934 MODULE_LICENSE("GPL");
2935 MODULE_VERSION(QLA2XXX_VERSION);
2936 MODULE_FIRMWARE(FW_FILE_ISP21XX);
2937 MODULE_FIRMWARE(FW_FILE_ISP22XX);
2938 MODULE_FIRMWARE(FW_FILE_ISP2300);
2939 MODULE_FIRMWARE(FW_FILE_ISP2322);
2940 MODULE_FIRMWARE(FW_FILE_ISP24XX);
2941 MODULE_FIRMWARE(FW_FILE_ISP25XX);