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                 cmd->result = DID_IMM_RETRY << 16;
 399                 goto qc_fail_command;
 400         }
 401
 402         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 403                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 404                     atomic_read(&ha->loop_state) == LOOP_DEAD) {
 405                         cmd->result = DID_NO_CONNECT << 16;
 406                         goto qc_fail_command;
 407                 }
 408                 goto qc_host_busy;
 409         }
 410
 411         spin_unlock_irq(ha->host->host_lock);
 412
 413         sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
 414         if (!sp)
 415                 goto qc_host_busy_lock;
 416
 417         rval = qla2x00_start_scsi(sp);
 418         if (rval != QLA_SUCCESS)
 419                 goto qc_host_busy_free_sp;
 420
 421         spin_lock_irq(ha->host->host_lock);
 422
 423         return 0;
 424
 425 qc_host_busy_free_sp:
 426         qla2x00_sp_free_dma(ha, sp);
 427         mempool_free(sp, ha->srb_mempool);
 428
 429 qc_host_busy_lock:
 430         spin_lock_irq(ha->host->host_lock);
 431
 432 qc_host_busy:
 433         return SCSI_MLQUEUE_HOST_BUSY;
 434
 435 qc_fail_command:
 436         done(cmd);
 437
 438         return 0;
 439 }
 440
 441
 442 static int
 443 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 444 {
 445         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 446         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 447         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 448         srb_t *sp;
 449         int rval;
 450         scsi_qla_host_t *pha = to_qla_parent(ha);
 451
 452         if (unlikely(pci_channel_offline(pha->pdev))) {
 453                 cmd->result = DID_REQUEUE << 16;
 454                 goto qc24_fail_command;
 455         }
 456
 457         rval = fc_remote_port_chkready(rport);
 458         if (rval) {
 459                 cmd->result = rval;
 460                 goto qc24_fail_command;
 461         }
 462
 463         /* Close window on fcport/rport state-transitioning. */
 464         if (fcport->drport) {
 465                 cmd->result = DID_IMM_RETRY << 16;
 466                 goto qc24_fail_command;
 467         }
 468
 469         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 470                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 471                     atomic_read(&pha->loop_state) == LOOP_DEAD) {
 472                         cmd->result = DID_NO_CONNECT << 16;
 473                         goto qc24_fail_command;
 474                 }
 475                 goto qc24_host_busy;
 476         }
 477
 478         spin_unlock_irq(ha->host->host_lock);
 479
 480         sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
 481         if (!sp)
 482                 goto qc24_host_busy_lock;
 483
 484         rval = qla24xx_start_scsi(sp);
 485         if (rval != QLA_SUCCESS)
 486                 goto qc24_host_busy_free_sp;
 487
 488         spin_lock_irq(ha->host->host_lock);
 489
 490         return 0;
 491
 492 qc24_host_busy_free_sp:
 493         qla2x00_sp_free_dma(pha, sp);
 494         mempool_free(sp, pha->srb_mempool);
 495
 496 qc24_host_busy_lock:
 497         spin_lock_irq(ha->host->host_lock);
 498
 499 qc24_host_busy:
 500         return SCSI_MLQUEUE_HOST_BUSY;
 501
 502 qc24_fail_command:
 503         done(cmd);
 504
 505         return 0;
 506 }
 507
 508
 509 /*
 510  * qla2x00_eh_wait_on_command
 511  *    Waits for the command to be returned by the Firmware for some
 512  *    max time.
 513  *
 514  * Input:
 515  *    ha = actual ha whose done queue will contain the command
 516  *            returned by firmware.
 517  *    cmd = Scsi Command to wait on.
 518  *    flag = Abort/Reset(Bus or Device Reset)
 519  *
 520  * Return:
 521  *    Not Found : 0
 522  *    Found : 1
 523  */
 524 static int
 525 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
 526 {
 527 #define ABORT_POLLING_PERIOD    1000
 528 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 529         unsigned long wait_iter = ABORT_WAIT_ITER;
 530         int ret = QLA_SUCCESS;
 531
 532         while (CMD_SP(cmd)) {
 533                 msleep(ABORT_POLLING_PERIOD);
 534
 535                 if (--wait_iter)
 536                         break;
 537         }
 538         if (CMD_SP(cmd))
 539                 ret = QLA_FUNCTION_FAILED;
 540
 541         return ret;
 542 }
 543
 544 /*
 545  * qla2x00_wait_for_hba_online
 546  *    Wait till the HBA is online after going through
 547  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 548  *    finally HBA is disabled ie marked offline
 549  *
 550  * Input:
 551  *     ha - pointer to host adapter structure
 552  *
 553  * Note:
 554  *    Does context switching-Release SPIN_LOCK
 555  *    (if any) before calling this routine.
 556  *
 557  * Return:
 558  *    Success (Adapter is online) : 0
 559  *    Failed  (Adapter is offline/disabled) : 1
 560  */
 561 int
 562 qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
 563 {
 564         int             return_status;
 565         unsigned long   wait_online;
 566         scsi_qla_host_t *pha = to_qla_parent(ha);
 567
 568         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 569         while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
 570             test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
 571             test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
 572             pha->dpc_active) && time_before(jiffies, wait_online)) {
 573
 574                 msleep(1000);
 575         }
 576         if (pha->flags.online)
 577                 return_status = QLA_SUCCESS;
 578         else
 579                 return_status = QLA_FUNCTION_FAILED;
 580
 581         return (return_status);
 582 }
 583
 584 /*
 585  * qla2x00_wait_for_loop_ready
 586  *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 587  *    to be in LOOP_READY state.
 588  * Input:
 589  *     ha - pointer to host adapter structure
 590  *
 591  * Note:
 592  *    Does context switching-Release SPIN_LOCK
 593  *    (if any) before calling this routine.
 594  *
 595  *
 596  * Return:
 597  *    Success (LOOP_READY) : 0
 598  *    Failed  (LOOP_NOT_READY) : 1
 599  */
 600 static inline int
 601 qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
 602 {
 603         int      return_status = QLA_SUCCESS;
 604         unsigned long loop_timeout ;
 605         scsi_qla_host_t *pha = to_qla_parent(ha);
 606
 607         /* wait for 5 min at the max for loop to be ready */
 608         loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 609
 610         while ((!atomic_read(&pha->loop_down_timer) &&
 611             atomic_read(&pha->loop_state) == LOOP_DOWN) ||
 612             atomic_read(&pha->loop_state) != LOOP_READY) {
 613                 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
 614                         return_status = QLA_FUNCTION_FAILED;
 615                         break;
 616                 }
 617                 msleep(1000);
 618                 if (time_after_eq(jiffies, loop_timeout)) {
 619                         return_status = QLA_FUNCTION_FAILED;
 620                         break;
 621                 }
 622         }
 623         return (return_status);
 624 }
 625
 626 void
 627 qla2x00_abort_fcport_cmds(fc_port_t *fcport)
 628 {
 629         int cnt;
 630         unsigned long flags;
 631         srb_t *sp;
 632         scsi_qla_host_t *ha = fcport->ha;
 633         scsi_qla_host_t *pha = to_qla_parent(ha);
 634
 635         spin_lock_irqsave(&pha->hardware_lock, flags);
 636         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 637                 sp = pha->outstanding_cmds[cnt];
 638                 if (!sp)
 639                         continue;
 640                 if (sp->fcport != fcport)
 641                         continue;
 642
 643                 spin_unlock_irqrestore(&pha->hardware_lock, flags);
 644                 if (ha->isp_ops->abort_command(ha, sp)) {
 645                         DEBUG2(qla_printk(KERN_WARNING, ha,
 646                             "Abort failed --  %lx\n", sp->cmd->serial_number));
 647                 } else {
 648                         if (qla2x00_eh_wait_on_command(ha, sp->cmd) !=
 649                             QLA_SUCCESS)
 650                                 DEBUG2(qla_printk(KERN_WARNING, ha,
 651                                     "Abort failed while waiting --  %lx\n",
 652                                     sp->cmd->serial_number));
 653
 654                 }
 655                 spin_lock_irqsave(&pha->hardware_lock, flags);
 656         }
 657         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 658 }
 659
 660 static void
 661 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
 662 {
 663         struct Scsi_Host *shost = cmnd->device->host;
 664         struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
 665         unsigned long flags;
 666
 667         spin_lock_irqsave(shost->host_lock, flags);
 668         while (rport->port_state == FC_PORTSTATE_BLOCKED) {
 669                 spin_unlock_irqrestore(shost->host_lock, flags);
 670                 msleep(1000);
 671                 spin_lock_irqsave(shost->host_lock, flags);
 672         }
 673         spin_unlock_irqrestore(shost->host_lock, flags);
 674         return;
 675 }
 676
 677 /**************************************************************************
 678 * qla2xxx_eh_abort
 679 *
 680 * Description:
 681 *    The abort function will abort the specified command.
 682 *
 683 * Input:
 684 *    cmd = Linux SCSI command packet to be aborted.
 685 *
 686 * Returns:
 687 *    Either SUCCESS or FAILED.
 688 *
 689 * Note:
 690 *    Only return FAILED if command not returned by firmware.
 691 **************************************************************************/
 692 static int
 693 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 694 {
 695         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 696         srb_t *sp;
 697         int ret, i;
 698         unsigned int id, lun;
 699         unsigned long serial;
 700         unsigned long flags;
 701         int wait = 0;
 702         scsi_qla_host_t *pha = to_qla_parent(ha);
 703
 704         qla2x00_block_error_handler(cmd);
 705
 706         if (!CMD_SP(cmd))
 707                 return SUCCESS;
 708
 709         ret = SUCCESS;
 710
 711         id = cmd->device->id;
 712         lun = cmd->device->lun;
 713         serial = cmd->serial_number;
 714
 715         /* Check active list for command command. */
 716         spin_lock_irqsave(&pha->hardware_lock, flags);
 717         for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
 718                 sp = pha->outstanding_cmds[i];
 719
 720                 if (sp == NULL)
 721                         continue;
 722
 723                 if (sp->cmd != cmd)
 724                         continue;
 725
 726                 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
 727                     __func__, ha->host_no, sp, serial));
 728
 729                 spin_unlock_irqrestore(&pha->hardware_lock, flags);
 730                 if (ha->isp_ops->abort_command(ha, sp)) {
 731                         DEBUG2(printk("%s(%ld): abort_command "
 732                             "mbx failed.\n", __func__, ha->host_no));
 733                 } else {
 734                         DEBUG3(printk("%s(%ld): abort_command "
 735                             "mbx success.\n", __func__, ha->host_no));
 736                         wait = 1;
 737                 }
 738                 spin_lock_irqsave(&pha->hardware_lock, flags);
 739
 740                 break;
 741         }
 742         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 743
 744         /* Wait for the command to be returned. */
 745         if (wait) {
 746                 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
 747                         qla_printk(KERN_ERR, ha,
 748                             "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
 749                             "%x.\n", ha->host_no, id, lun, serial, ret);
 750                         ret = FAILED;
 751                 }
 752         }
 753
 754         qla_printk(KERN_INFO, ha,
 755             "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
 756             ha->host_no, id, lun, wait, serial, ret);
 757
 758         return ret;
 759 }
 760
 761 enum nexus_wait_type {
 762         WAIT_HOST = 0,
 763         WAIT_TARGET,
 764         WAIT_LUN,
 765 };
 766
 767 static int
 768 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha, unsigned int t,
 769     unsigned int l, enum nexus_wait_type type)
 770 {
 771         int cnt, match, status;
 772         srb_t *sp;
 773         unsigned long flags;
 774         scsi_qla_host_t *pha = to_qla_parent(ha);
 775
 776         status = QLA_SUCCESS;
 777         spin_lock_irqsave(&pha->hardware_lock, flags);
 778         for (cnt = 1; status == QLA_SUCCESS && cnt < MAX_OUTSTANDING_COMMANDS;
 779             cnt++) {
 780                 sp = pha->outstanding_cmds[cnt];
 781                 if (!sp)
 782                         continue;
 783
 784                 if (ha->vp_idx != sp->fcport->ha->vp_idx)
 785                         continue;
 786                 match = 0;
 787                 switch (type) {
 788                 case WAIT_HOST:
 789                         match = 1;
 790                         break;
 791                 case WAIT_TARGET:
 792                         match = sp->cmd->device->id == t;
 793                         break;
 794                 case WAIT_LUN:
 795                         match = (sp->cmd->device->id == t &&
 796                             sp->cmd->device->lun == l);
 797                         break;
 798                 }
 799                 if (!match)
 800                         continue;
 801
 802                 spin_unlock_irqrestore(&pha->hardware_lock, flags);
 803                 status = qla2x00_eh_wait_on_command(ha, sp->cmd);
 804                 spin_lock_irqsave(&pha->hardware_lock, flags);
 805         }
 806         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 807
 808         return status;
 809 }
 810
 811 static char *reset_errors[] = {
 812         "HBA not online",
 813         "HBA not ready",
 814         "Task management failed",
 815         "Waiting for command completions",
 816 };
 817
 818 static int
 819 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
 820     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
 821 {
 822         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 823         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 824         int err;
 825
 826         qla2x00_block_error_handler(cmd);
 827
 828         if (!fcport)
 829                 return FAILED;
 830
 831         qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
 832             ha->host_no, cmd->device->id, cmd->device->lun, name);
 833
 834         err = 0;
 835         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 836                 goto eh_reset_failed;
 837         err = 1;
 838         if (qla2x00_wait_for_loop_ready(ha) != QLA_SUCCESS)
 839                 goto eh_reset_failed;
 840         err = 2;
 841         if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
 842                 goto eh_reset_failed;
 843         err = 3;
 844         if (qla2x00_eh_wait_for_pending_commands(ha, cmd->device->id,
 845             cmd->device->lun, type) != QLA_SUCCESS)
 846                 goto eh_reset_failed;
 847
 848         qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
 849             ha->host_no, cmd->device->id, cmd->device->lun, name);
 850
 851         return SUCCESS;
 852
 853  eh_reset_failed:
 854         qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n",
 855             ha->host_no, cmd->device->id, cmd->device->lun, name,
 856             reset_errors[err]);
 857         return FAILED;
 858 }
 859
 860 static int
 861 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
 862 {
 863         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 864
 865         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
 866             ha->isp_ops->lun_reset);
 867 }
 868
 869 static int
 870 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
 871 {
 872         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 873
 874         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
 875             ha->isp_ops->target_reset);
 876 }
 877
 878 /**************************************************************************
 879 * qla2xxx_eh_bus_reset
 880 *
 881 * Description:
 882 *    The bus reset function will reset the bus and abort any executing
 883 *    commands.
 884 *
 885 * Input:
 886 *    cmd = Linux SCSI command packet of the command that cause the
 887 *          bus reset.
 888 *
 889 * Returns:
 890 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 891 *
 892 **************************************************************************/
 893 static int
 894 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 895 {
 896         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 897         scsi_qla_host_t *pha = to_qla_parent(ha);
 898         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 899         int ret = FAILED;
 900         unsigned int id, lun;
 901         unsigned long serial;
 902
 903         qla2x00_block_error_handler(cmd);
 904
 905         id = cmd->device->id;
 906         lun = cmd->device->lun;
 907         serial = cmd->serial_number;
 908
 909         if (!fcport)
 910                 return ret;
 911
 912         qla_printk(KERN_INFO, ha,
 913             "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
 914
 915         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
 916                 DEBUG2(printk("%s failed:board disabled\n",__func__));
 917                 goto eh_bus_reset_done;
 918         }
 919
 920         if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
 921                 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
 922                         ret = SUCCESS;
 923         }
 924         if (ret == FAILED)
 925                 goto eh_bus_reset_done;
 926
 927         /* Flush outstanding commands. */
 928         if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) !=
 929             QLA_SUCCESS)
 930                 ret = FAILED;
 931
 932 eh_bus_reset_done:
 933         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
 934             (ret == FAILED) ? "failed" : "succeded");
 935
 936         return ret;
 937 }
 938
 939 /**************************************************************************
 940 * qla2xxx_eh_host_reset
 941 *
 942 * Description:
 943 *    The reset function will reset the Adapter.
 944 *
 945 * Input:
 946 *      cmd = Linux SCSI command packet of the command that cause the
 947 *            adapter reset.
 948 *
 949 * Returns:
 950 *      Either SUCCESS or FAILED.
 951 *
 952 * Note:
 953 **************************************************************************/
 954 static int
 955 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 956 {
 957         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 958         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 959         int ret = FAILED;
 960         unsigned int id, lun;
 961         unsigned long serial;
 962         scsi_qla_host_t *pha = to_qla_parent(ha);
 963
 964         qla2x00_block_error_handler(cmd);
 965
 966         id = cmd->device->id;
 967         lun = cmd->device->lun;
 968         serial = cmd->serial_number;
 969
 970         if (!fcport)
 971                 return ret;
 972
 973         qla_printk(KERN_INFO, ha,
 974             "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
 975
 976         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 977                 goto eh_host_reset_lock;
 978
 979         /*
 980          * Fixme-may be dpc thread is active and processing
 981          * loop_resync,so wait a while for it to
 982          * be completed and then issue big hammer.Otherwise
 983          * it may cause I/O failure as big hammer marks the
 984          * devices as lost kicking of the port_down_timer
 985          * while dpc is stuck for the mailbox to complete.
 986          */
 987         qla2x00_wait_for_loop_ready(ha);
 988         set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
 989         if (qla2x00_abort_isp(pha)) {
 990                 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
 991                 /* failed. schedule dpc to try */
 992                 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
 993
 994                 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 995                         goto eh_host_reset_lock;
 996         }
 997         clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
 998
 999         /* Waiting for our command in done_queue to be returned to OS.*/
1000         if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) ==
1001             QLA_SUCCESS)
1002                 ret = SUCCESS;
1003
1004         if (ha->parent)
1005                 qla2x00_vp_abort_isp(ha);
1006
1007 eh_host_reset_lock:
1008         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1009             (ret == FAILED) ? "failed" : "succeded");
1010
1011         return ret;
1012 }
1013
1014 /*
1015 * qla2x00_loop_reset
1016 *      Issue loop reset.
1017 *
1018 * Input:
1019 *      ha = adapter block pointer.
1020 *
1021 * Returns:
1022 *      0 = success
1023 */
1024 int
1025 qla2x00_loop_reset(scsi_qla_host_t *ha)
1026 {
1027         int ret;
1028         struct fc_port *fcport;
1029
1030         if (ha->flags.enable_lip_full_login) {
1031                 ret = qla2x00_full_login_lip(ha);
1032                 if (ret != QLA_SUCCESS) {
1033                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1034                             "full_login_lip=%d.\n", __func__, ha->host_no,
1035                             ret));
1036                 }
1037                 atomic_set(&ha->loop_state, LOOP_DOWN);
1038                 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1039                 qla2x00_mark_all_devices_lost(ha, 0);
1040                 qla2x00_wait_for_loop_ready(ha);
1041         }
1042
1043         if (ha->flags.enable_lip_reset) {
1044                 ret = qla2x00_lip_reset(ha);
1045                 if (ret != QLA_SUCCESS) {
1046                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1047                             "lip_reset=%d.\n", __func__, ha->host_no, ret));
1048                 }
1049                 qla2x00_wait_for_loop_ready(ha);
1050         }
1051
1052         if (ha->flags.enable_target_reset) {
1053                 list_for_each_entry(fcport, &ha->fcports, list) {
1054                         if (fcport->port_type != FCT_TARGET)
1055                                 continue;
1056
1057                         ret = ha->isp_ops->target_reset(fcport, 0);
1058                         if (ret != QLA_SUCCESS) {
1059                                 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1060                                     "target_reset=%d d_id=%x.\n", __func__,
1061                                     ha->host_no, ret, fcport->d_id.b24));
1062                         }
1063                 }
1064         }
1065
1066         /* Issue marker command only when we are going to start the I/O */
1067         ha->marker_needed = 1;
1068
1069         return QLA_SUCCESS;
1070 }
1071
1072 void
1073 qla2x00_abort_all_cmds(scsi_qla_host_t *ha, int res)
1074 {
1075         int cnt;
1076         unsigned long flags;
1077         srb_t *sp;
1078
1079         spin_lock_irqsave(&ha->hardware_lock, flags);
1080         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1081                 sp = ha->outstanding_cmds[cnt];
1082                 if (sp) {
1083                         ha->outstanding_cmds[cnt] = NULL;
1084                         sp->cmd->result = res;
1085                         qla2x00_sp_compl(ha, sp);
1086                 }
1087         }
1088         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1089 }
1090
1091 static int
1092 qla2xxx_slave_alloc(struct scsi_device *sdev)
1093 {
1094         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1095
1096         if (!rport || fc_remote_port_chkready(rport))
1097                 return -ENXIO;
1098
1099         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1100
1101         return 0;
1102 }
1103
1104 static int
1105 qla2xxx_slave_configure(struct scsi_device *sdev)
1106 {
1107         scsi_qla_host_t *ha = shost_priv(sdev->host);
1108         struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1109
1110         if (sdev->tagged_supported)
1111                 scsi_activate_tcq(sdev, ha->max_q_depth);
1112         else
1113                 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1114
1115         rport->dev_loss_tmo = ha->port_down_retry_count;
1116
1117         return 0;
1118 }
1119
1120 static void
1121 qla2xxx_slave_destroy(struct scsi_device *sdev)
1122 {
1123         sdev->hostdata = NULL;
1124 }
1125
1126 static int
1127 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1128 {
1129         scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1130         return sdev->queue_depth;
1131 }
1132
1133 static int
1134 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1135 {
1136         if (sdev->tagged_supported) {
1137                 scsi_set_tag_type(sdev, tag_type);
1138                 if (tag_type)
1139                         scsi_activate_tcq(sdev, sdev->queue_depth);
1140                 else
1141                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1142         } else
1143                 tag_type = 0;
1144
1145         return tag_type;
1146 }
1147
1148 /**
1149  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1150  * @ha: HA context
1151  *
1152  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1153  * supported addressing method.
1154  */
1155 static void
1156 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1157 {
1158         /* Assume a 32bit DMA mask. */
1159         ha->flags.enable_64bit_addressing = 0;
1160
1161         if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1162                 /* Any upper-dword bits set? */
1163                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1164                     !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1165                         /* Ok, a 64bit DMA mask is applicable. */
1166                         ha->flags.enable_64bit_addressing = 1;
1167                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1168                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1169                         return;
1170                 }
1171         }
1172
1173         dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1174         pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1175 }
1176
1177 static void
1178 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1179 {
1180         unsigned long flags = 0;
1181         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1182
1183         spin_lock_irqsave(&ha->hardware_lock, flags);
1184         ha->interrupts_on = 1;
1185         /* enable risc and host interrupts */
1186         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1187         RD_REG_WORD(&reg->ictrl);
1188         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1189
1190 }
1191
1192 static void
1193 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1194 {
1195         unsigned long flags = 0;
1196         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1197
1198         spin_lock_irqsave(&ha->hardware_lock, flags);
1199         ha->interrupts_on = 0;
1200         /* disable risc and host interrupts */
1201         WRT_REG_WORD(&reg->ictrl, 0);
1202         RD_REG_WORD(&reg->ictrl);
1203         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1204 }
1205
1206 static void
1207 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1208 {
1209         unsigned long flags = 0;
1210         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1211
1212         spin_lock_irqsave(&ha->hardware_lock, flags);
1213         ha->interrupts_on = 1;
1214         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1215         RD_REG_DWORD(&reg->ictrl);
1216         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1217 }
1218
1219 static void
1220 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1221 {
1222         unsigned long flags = 0;
1223         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1224
1225         spin_lock_irqsave(&ha->hardware_lock, flags);
1226         ha->interrupts_on = 0;
1227         WRT_REG_DWORD(&reg->ictrl, 0);
1228         RD_REG_DWORD(&reg->ictrl);
1229         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1230 }
1231
1232 static struct isp_operations qla2100_isp_ops = {
1233         .pci_config             = qla2100_pci_config,
1234         .reset_chip             = qla2x00_reset_chip,
1235         .chip_diag              = qla2x00_chip_diag,
1236         .config_rings           = qla2x00_config_rings,
1237         .reset_adapter          = qla2x00_reset_adapter,
1238         .nvram_config           = qla2x00_nvram_config,
1239         .update_fw_options      = qla2x00_update_fw_options,
1240         .load_risc              = qla2x00_load_risc,
1241         .pci_info_str           = qla2x00_pci_info_str,
1242         .fw_version_str         = qla2x00_fw_version_str,
1243         .intr_handler           = qla2100_intr_handler,
1244         .enable_intrs           = qla2x00_enable_intrs,
1245         .disable_intrs          = qla2x00_disable_intrs,
1246         .abort_command          = qla2x00_abort_command,
1247         .target_reset           = qla2x00_abort_target,
1248         .lun_reset              = qla2x00_lun_reset,
1249         .fabric_login           = qla2x00_login_fabric,
1250         .fabric_logout          = qla2x00_fabric_logout,
1251         .calc_req_entries       = qla2x00_calc_iocbs_32,
1252         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1253         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1254         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1255         .read_nvram             = qla2x00_read_nvram_data,
1256         .write_nvram            = qla2x00_write_nvram_data,
1257         .fw_dump                = qla2100_fw_dump,
1258         .beacon_on              = NULL,
1259         .beacon_off             = NULL,
1260         .beacon_blink           = NULL,
1261         .read_optrom            = qla2x00_read_optrom_data,
1262         .write_optrom           = qla2x00_write_optrom_data,
1263         .get_flash_version      = qla2x00_get_flash_version,
1264 };
1265
1266 static struct isp_operations qla2300_isp_ops = {
1267         .pci_config             = qla2300_pci_config,
1268         .reset_chip             = qla2x00_reset_chip,
1269         .chip_diag              = qla2x00_chip_diag,
1270         .config_rings           = qla2x00_config_rings,
1271         .reset_adapter          = qla2x00_reset_adapter,
1272         .nvram_config           = qla2x00_nvram_config,
1273         .update_fw_options      = qla2x00_update_fw_options,
1274         .load_risc              = qla2x00_load_risc,
1275         .pci_info_str           = qla2x00_pci_info_str,
1276         .fw_version_str         = qla2x00_fw_version_str,
1277         .intr_handler           = qla2300_intr_handler,
1278         .enable_intrs           = qla2x00_enable_intrs,
1279         .disable_intrs          = qla2x00_disable_intrs,
1280         .abort_command          = qla2x00_abort_command,
1281         .target_reset           = qla2x00_abort_target,
1282         .lun_reset              = qla2x00_lun_reset,
1283         .fabric_login           = qla2x00_login_fabric,
1284         .fabric_logout          = qla2x00_fabric_logout,
1285         .calc_req_entries       = qla2x00_calc_iocbs_32,
1286         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1287         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1288         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1289         .read_nvram             = qla2x00_read_nvram_data,
1290         .write_nvram            = qla2x00_write_nvram_data,
1291         .fw_dump                = qla2300_fw_dump,
1292         .beacon_on              = qla2x00_beacon_on,
1293         .beacon_off             = qla2x00_beacon_off,
1294         .beacon_blink           = qla2x00_beacon_blink,
1295         .read_optrom            = qla2x00_read_optrom_data,
1296         .write_optrom           = qla2x00_write_optrom_data,
1297         .get_flash_version      = qla2x00_get_flash_version,
1298 };
1299
1300 static struct isp_operations qla24xx_isp_ops = {
1301         .pci_config             = qla24xx_pci_config,
1302         .reset_chip             = qla24xx_reset_chip,
1303         .chip_diag              = qla24xx_chip_diag,
1304         .config_rings           = qla24xx_config_rings,
1305         .reset_adapter          = qla24xx_reset_adapter,
1306         .nvram_config           = qla24xx_nvram_config,
1307         .update_fw_options      = qla24xx_update_fw_options,
1308         .load_risc              = qla24xx_load_risc,
1309         .pci_info_str           = qla24xx_pci_info_str,
1310         .fw_version_str         = qla24xx_fw_version_str,
1311         .intr_handler           = qla24xx_intr_handler,
1312         .enable_intrs           = qla24xx_enable_intrs,
1313         .disable_intrs          = qla24xx_disable_intrs,
1314         .abort_command          = qla24xx_abort_command,
1315         .target_reset           = qla24xx_abort_target,
1316         .lun_reset              = qla24xx_lun_reset,
1317         .fabric_login           = qla24xx_login_fabric,
1318         .fabric_logout          = qla24xx_fabric_logout,
1319         .calc_req_entries       = NULL,
1320         .build_iocbs            = NULL,
1321         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1322         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1323         .read_nvram             = qla24xx_read_nvram_data,
1324         .write_nvram            = qla24xx_write_nvram_data,
1325         .fw_dump                = qla24xx_fw_dump,
1326         .beacon_on              = qla24xx_beacon_on,
1327         .beacon_off             = qla24xx_beacon_off,
1328         .beacon_blink           = qla24xx_beacon_blink,
1329         .read_optrom            = qla24xx_read_optrom_data,
1330         .write_optrom           = qla24xx_write_optrom_data,
1331         .get_flash_version      = qla24xx_get_flash_version,
1332 };
1333
1334 static struct isp_operations qla25xx_isp_ops = {
1335         .pci_config             = qla25xx_pci_config,
1336         .reset_chip             = qla24xx_reset_chip,
1337         .chip_diag              = qla24xx_chip_diag,
1338         .config_rings           = qla24xx_config_rings,
1339         .reset_adapter          = qla24xx_reset_adapter,
1340         .nvram_config           = qla24xx_nvram_config,
1341         .update_fw_options      = qla24xx_update_fw_options,
1342         .load_risc              = qla24xx_load_risc,
1343         .pci_info_str           = qla24xx_pci_info_str,
1344         .fw_version_str         = qla24xx_fw_version_str,
1345         .intr_handler           = qla24xx_intr_handler,
1346         .enable_intrs           = qla24xx_enable_intrs,
1347         .disable_intrs          = qla24xx_disable_intrs,
1348         .abort_command          = qla24xx_abort_command,
1349         .target_reset           = qla24xx_abort_target,
1350         .lun_reset              = qla24xx_lun_reset,
1351         .fabric_login           = qla24xx_login_fabric,
1352         .fabric_logout          = qla24xx_fabric_logout,
1353         .calc_req_entries       = NULL,
1354         .build_iocbs            = NULL,
1355         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1356         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1357         .read_nvram             = qla25xx_read_nvram_data,
1358         .write_nvram            = qla25xx_write_nvram_data,
1359         .fw_dump                = qla25xx_fw_dump,
1360         .beacon_on              = qla24xx_beacon_on,
1361         .beacon_off             = qla24xx_beacon_off,
1362         .beacon_blink           = qla24xx_beacon_blink,
1363         .read_optrom            = qla25xx_read_optrom_data,
1364         .write_optrom           = qla24xx_write_optrom_data,
1365         .get_flash_version      = qla24xx_get_flash_version,
1366 };
1367
1368 static inline void
1369 qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1370 {
1371         ha->device_type = DT_EXTENDED_IDS;
1372         switch (ha->pdev->device) {
1373         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1374                 ha->device_type |= DT_ISP2100;
1375                 ha->device_type &= ~DT_EXTENDED_IDS;
1376                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1377                 break;
1378         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1379                 ha->device_type |= DT_ISP2200;
1380                 ha->device_type &= ~DT_EXTENDED_IDS;
1381                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1382                 break;
1383         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1384                 ha->device_type |= DT_ISP2300;
1385                 ha->device_type |= DT_ZIO_SUPPORTED;
1386                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1387                 break;
1388         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1389                 ha->device_type |= DT_ISP2312;
1390                 ha->device_type |= DT_ZIO_SUPPORTED;
1391                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1392                 break;
1393         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1394                 ha->device_type |= DT_ISP2322;
1395                 ha->device_type |= DT_ZIO_SUPPORTED;
1396                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1397                     ha->pdev->subsystem_device == 0x0170)
1398                         ha->device_type |= DT_OEM_001;
1399                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1400                 break;
1401         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1402                 ha->device_type |= DT_ISP6312;
1403                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1404                 break;
1405         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1406                 ha->device_type |= DT_ISP6322;
1407                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1408                 break;
1409         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1410                 ha->device_type |= DT_ISP2422;
1411                 ha->device_type |= DT_ZIO_SUPPORTED;
1412                 ha->device_type |= DT_FWI2;
1413                 ha->device_type |= DT_IIDMA;
1414                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1415                 break;
1416         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1417                 ha->device_type |= DT_ISP2432;
1418                 ha->device_type |= DT_ZIO_SUPPORTED;
1419                 ha->device_type |= DT_FWI2;
1420                 ha->device_type |= DT_IIDMA;
1421                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1422                 break;
1423         case PCI_DEVICE_ID_QLOGIC_ISP8432:
1424                 ha->device_type |= DT_ISP8432;
1425                 ha->device_type |= DT_ZIO_SUPPORTED;
1426                 ha->device_type |= DT_FWI2;
1427                 ha->device_type |= DT_IIDMA;
1428                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1429                 break;
1430         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1431                 ha->device_type |= DT_ISP5422;
1432                 ha->device_type |= DT_FWI2;
1433                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1434                 break;
1435         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1436                 ha->device_type |= DT_ISP5432;
1437                 ha->device_type |= DT_FWI2;
1438                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1439                 break;
1440         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1441                 ha->device_type |= DT_ISP2532;
1442                 ha->device_type |= DT_ZIO_SUPPORTED;
1443                 ha->device_type |= DT_FWI2;
1444                 ha->device_type |= DT_IIDMA;
1445                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1446                 break;
1447         }
1448 }
1449
1450 static int
1451 qla2x00_iospace_config(scsi_qla_host_t *ha)
1452 {
1453         resource_size_t pio;
1454
1455         if (pci_request_selected_regions(ha->pdev, ha->bars,
1456             QLA2XXX_DRIVER_NAME)) {
1457                 qla_printk(KERN_WARNING, ha,
1458                     "Failed to reserve PIO/MMIO regions (%s)\n",
1459                     pci_name(ha->pdev));
1460
1461                 goto iospace_error_exit;
1462         }
1463         if (!(ha->bars & 1))
1464                 goto skip_pio;
1465
1466         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1467         pio = pci_resource_start(ha->pdev, 0);
1468         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1469                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1470                         qla_printk(KERN_WARNING, ha,
1471                             "Invalid PCI I/O region size (%s)...\n",
1472                                 pci_name(ha->pdev));
1473                         pio = 0;
1474                 }
1475         } else {
1476                 qla_printk(KERN_WARNING, ha,
1477                     "region #0 not a PIO resource (%s)...\n",
1478                     pci_name(ha->pdev));
1479                 pio = 0;
1480         }
1481         ha->pio_address = pio;
1482
1483 skip_pio:
1484         /* Use MMIO operations for all accesses. */
1485         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1486                 qla_printk(KERN_ERR, ha,
1487                     "region #1 not an MMIO resource (%s), aborting\n",
1488                     pci_name(ha->pdev));
1489                 goto iospace_error_exit;
1490         }
1491         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1492                 qla_printk(KERN_ERR, ha,
1493                     "Invalid PCI mem region size (%s), aborting\n",
1494                         pci_name(ha->pdev));
1495                 goto iospace_error_exit;
1496         }
1497
1498         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1499         if (!ha->iobase) {
1500                 qla_printk(KERN_ERR, ha,
1501                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1502
1503                 goto iospace_error_exit;
1504         }
1505
1506         return (0);
1507
1508 iospace_error_exit:
1509         return (-ENOMEM);
1510 }
1511
1512 static void
1513 qla2xxx_scan_start(struct Scsi_Host *shost)
1514 {
1515         scsi_qla_host_t *ha = shost_priv(shost);
1516
1517         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1518         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1519         set_bit(RSCN_UPDATE, &ha->dpc_flags);
1520         set_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags);
1521 }
1522
1523 static int
1524 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1525 {
1526         scsi_qla_host_t *ha = shost_priv(shost);
1527
1528         if (!ha->host)
1529                 return 1;
1530         if (time > ha->loop_reset_delay * HZ)
1531                 return 1;
1532
1533         return atomic_read(&ha->loop_state) == LOOP_READY;
1534 }
1535
1536 /*
1537  * PCI driver interface
1538  */
1539 static int __devinit
1540 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1541 {
1542         int     ret = -ENODEV;
1543         struct Scsi_Host *host;
1544         scsi_qla_host_t *ha;
1545         char pci_info[30];
1546         char fw_str[30];
1547         struct scsi_host_template *sht;
1548         int bars, mem_only = 0;
1549
1550         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1551         sht = &qla2x00_driver_template;
1552         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1553             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1554             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1555             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1556             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1557             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1558                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1559                 sht = &qla24xx_driver_template;
1560                 mem_only = 1;
1561         }
1562
1563         if (mem_only) {
1564                 if (pci_enable_device_mem(pdev))
1565                         goto probe_out;
1566         } else {
1567                 if (pci_enable_device(pdev))
1568                         goto probe_out;
1569         }
1570
1571         if (pci_find_aer_capability(pdev))
1572                 if (pci_enable_pcie_error_reporting(pdev))
1573                         goto probe_out;
1574
1575         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1576         if (host == NULL) {
1577                 printk(KERN_WARNING
1578                     "qla2xxx: Couldn't allocate host from scsi layer!\n");
1579                 goto probe_disable_device;
1580         }
1581
1582         /* Clear our data area */
1583         ha = shost_priv(host);
1584         memset(ha, 0, sizeof(scsi_qla_host_t));
1585
1586         ha->pdev = pdev;
1587         ha->host = host;
1588         ha->host_no = host->host_no;
1589         sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
1590         ha->parent = NULL;
1591         ha->bars = bars;
1592         ha->mem_only = mem_only;
1593         spin_lock_init(&ha->hardware_lock);
1594
1595         /* Set ISP-type information. */
1596         qla2x00_set_isp_flags(ha);
1597
1598         /* Configure PCI I/O space */
1599         ret = qla2x00_iospace_config(ha);
1600         if (ret)
1601                 goto probe_failed;
1602
1603         qla_printk(KERN_INFO, ha,
1604             "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1605             ha->iobase);
1606
1607         ha->prev_topology = 0;
1608         ha->init_cb_size = sizeof(init_cb_t);
1609         ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
1610         ha->link_data_rate = PORT_SPEED_UNKNOWN;
1611         ha->optrom_size = OPTROM_SIZE_2300;
1612
1613         ha->max_q_depth = MAX_Q_DEPTH;
1614         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1615                 ha->max_q_depth = ql2xmaxqdepth;
1616
1617         /* Assign ISP specific operations. */
1618         if (IS_QLA2100(ha)) {
1619                 host->max_id = MAX_TARGETS_2100;
1620                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1621                 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1622                 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1623                 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1624                 host->sg_tablesize = 32;
1625                 ha->gid_list_info_size = 4;
1626                 ha->isp_ops = &qla2100_isp_ops;
1627         } else if (IS_QLA2200(ha)) {
1628                 host->max_id = MAX_TARGETS_2200;
1629                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1630                 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1631                 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1632                 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1633                 ha->gid_list_info_size = 4;
1634                 ha->isp_ops = &qla2100_isp_ops;
1635         } else if (IS_QLA23XX(ha)) {
1636                 host->max_id = MAX_TARGETS_2200;
1637                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1638                 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1639                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1640                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1641                 ha->gid_list_info_size = 6;
1642                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1643                         ha->optrom_size = OPTROM_SIZE_2322;
1644                 ha->isp_ops = &qla2300_isp_ops;
1645         } else if (IS_QLA24XX_TYPE(ha)) {
1646                 host->max_id = MAX_TARGETS_2200;
1647                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1648                 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1649                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1650                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1651                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1652                 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1653                 ha->gid_list_info_size = 8;
1654                 ha->optrom_size = OPTROM_SIZE_24XX;
1655                 ha->isp_ops = &qla24xx_isp_ops;
1656         } else if (IS_QLA25XX(ha)) {
1657                 host->max_id = MAX_TARGETS_2200;
1658                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1659                 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1660                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1661                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1662                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1663                 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1664                 ha->gid_list_info_size = 8;
1665                 ha->optrom_size = OPTROM_SIZE_25XX;
1666                 ha->isp_ops = &qla25xx_isp_ops;
1667         }
1668         host->can_queue = ha->request_q_length + 128;
1669
1670         mutex_init(&ha->vport_lock);
1671         init_completion(&ha->mbx_cmd_comp);
1672         complete(&ha->mbx_cmd_comp);
1673         init_completion(&ha->mbx_intr_comp);
1674
1675         INIT_LIST_HEAD(&ha->list);
1676         INIT_LIST_HEAD(&ha->fcports);
1677         INIT_LIST_HEAD(&ha->vp_list);
1678         INIT_LIST_HEAD(&ha->work_list);
1679
1680         set_bit(0, (unsigned long *) ha->vp_idx_map);
1681
1682         qla2x00_config_dma_addressing(ha);
1683         if (qla2x00_mem_alloc(ha)) {
1684                 qla_printk(KERN_WARNING, ha,
1685                     "[ERROR] Failed to allocate memory for adapter\n");
1686
1687                 ret = -ENOMEM;
1688                 goto probe_failed;
1689         }
1690
1691         if (qla2x00_initialize_adapter(ha)) {
1692                 qla_printk(KERN_WARNING, ha,
1693                     "Failed to initialize adapter\n");
1694
1695                 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1696                     "Adapter flags %x.\n",
1697                     ha->host_no, ha->device_flags));
1698
1699                 ret = -ENODEV;
1700                 goto probe_failed;
1701         }
1702
1703         /*
1704          * Startup the kernel thread for this host adapter
1705          */
1706         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1707                         "%s_dpc", ha->host_str);
1708         if (IS_ERR(ha->dpc_thread)) {
1709                 qla_printk(KERN_WARNING, ha,
1710                     "Unable to start DPC thread!\n");
1711                 ret = PTR_ERR(ha->dpc_thread);
1712                 goto probe_failed;
1713         }
1714
1715         host->this_id = 255;
1716         host->cmd_per_lun = 3;
1717         host->unique_id = host->host_no;
1718         host->max_cmd_len = MAX_CMDSZ;
1719         host->max_channel = MAX_BUSES - 1;
1720         host->max_lun = MAX_LUNS;
1721         host->transportt = qla2xxx_transport_template;
1722
1723         ret = qla2x00_request_irqs(ha);
1724         if (ret)
1725                 goto probe_failed;
1726
1727         /* Initialized the timer */
1728         qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1729
1730         DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1731             ha->host_no, ha));
1732
1733         pci_set_drvdata(pdev, ha);
1734
1735         ha->flags.init_done = 1;
1736         ha->flags.online = 1;
1737
1738         ret = scsi_add_host(host, &pdev->dev);
1739         if (ret)
1740                 goto probe_failed;
1741
1742         ha->isp_ops->enable_intrs(ha);
1743
1744         scsi_scan_host(host);
1745
1746         qla2x00_alloc_sysfs_attr(ha);
1747
1748         qla2x00_init_host_attr(ha);
1749
1750         qla2x00_dfs_setup(ha);
1751
1752         qla_printk(KERN_INFO, ha, "\n"
1753             " QLogic Fibre Channel HBA Driver: %s\n"
1754             "  QLogic %s - %s\n"
1755             "  ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1756             qla2x00_version_str, ha->model_number,
1757             ha->model_desc ? ha->model_desc: "", pdev->device,
1758             ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
1759             ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1760             ha->isp_ops->fw_version_str(ha, fw_str));
1761
1762         return 0;
1763
1764 probe_failed:
1765         qla2x00_free_device(ha);
1766
1767         scsi_host_put(host);
1768
1769 probe_disable_device:
1770         pci_disable_device(pdev);
1771
1772 probe_out:
1773         return ret;
1774 }
1775
1776 static void
1777 qla2x00_remove_one(struct pci_dev *pdev)
1778 {
1779         scsi_qla_host_t *ha, *vha, *temp;
1780
1781         ha = pci_get_drvdata(pdev);
1782
1783         list_for_each_entry_safe(vha, temp, &ha->vp_list, vp_list)
1784                 fc_vport_terminate(vha->fc_vport);
1785
1786         set_bit(UNLOADING, &ha->dpc_flags);
1787
1788         qla2x00_dfs_remove(ha);
1789
1790         qla84xx_put_chip(ha);
1791
1792         qla2x00_free_sysfs_attr(ha);
1793
1794         fc_remove_host(ha->host);
1795
1796         scsi_remove_host(ha->host);
1797
1798         qla2x00_free_device(ha);
1799
1800         scsi_host_put(ha->host);
1801
1802         pci_disable_device(pdev);
1803         pci_set_drvdata(pdev, NULL);
1804 }
1805
1806 static void
1807 qla2x00_free_device(scsi_qla_host_t *ha)
1808 {
1809         qla2x00_abort_all_cmds(ha, DID_NO_CONNECT << 16);
1810
1811         /* Disable timer */
1812         if (ha->timer_active)
1813                 qla2x00_stop_timer(ha);
1814
1815         ha->flags.online = 0;
1816
1817         /* Kill the kernel thread for this host */
1818         if (ha->dpc_thread) {
1819                 struct task_struct *t = ha->dpc_thread;
1820
1821                 /*
1822                  * qla2xxx_wake_dpc checks for ->dpc_thread
1823                  * so we need to zero it out.
1824                  */
1825                 ha->dpc_thread = NULL;
1826                 kthread_stop(t);
1827         }
1828
1829         if (ha->flags.fce_enabled)
1830                 qla2x00_disable_fce_trace(ha, NULL, NULL);
1831
1832         if (ha->eft)
1833                 qla2x00_disable_eft_trace(ha);
1834
1835         /* Stop currently executing firmware. */
1836         qla2x00_try_to_stop_firmware(ha);
1837
1838         /* turn-off interrupts on the card */
1839         if (ha->interrupts_on)
1840                 ha->isp_ops->disable_intrs(ha);
1841
1842         qla2x00_mem_free(ha);
1843
1844         qla2x00_free_irqs(ha);
1845
1846         /* release io space registers  */
1847         if (ha->iobase)
1848                 iounmap(ha->iobase);
1849         pci_release_selected_regions(ha->pdev, ha->bars);
1850 }
1851
1852 static inline void
1853 qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1854     int defer)
1855 {
1856         struct fc_rport *rport;
1857         scsi_qla_host_t *pha = to_qla_parent(ha);
1858
1859         if (!fcport->rport)
1860                 return;
1861
1862         rport = fcport->rport;
1863         if (defer) {
1864                 spin_lock_irq(ha->host->host_lock);
1865                 fcport->drport = rport;
1866                 spin_unlock_irq(ha->host->host_lock);
1867                 set_bit(FCPORT_UPDATE_NEEDED, &pha->dpc_flags);
1868                 qla2xxx_wake_dpc(pha);
1869         } else
1870                 fc_remote_port_delete(rport);
1871 }
1872
1873 /*
1874  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1875  *
1876  * Input: ha = adapter block pointer.  fcport = port structure pointer.
1877  *
1878  * Return: None.
1879  *
1880  * Context:
1881  */
1882 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1883     int do_login, int defer)
1884 {
1885         if (atomic_read(&fcport->state) == FCS_ONLINE &&
1886             ha->vp_idx == fcport->vp_idx)
1887                 qla2x00_schedule_rport_del(ha, fcport, defer);
1888
1889         /*
1890          * We may need to retry the login, so don't change the state of the
1891          * port but do the retries.
1892          */
1893         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1894                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1895
1896         if (!do_login)
1897                 return;
1898
1899         if (fcport->login_retry == 0) {
1900                 fcport->login_retry = ha->login_retry_count;
1901                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1902
1903                 DEBUG(printk("scsi(%ld): Port login retry: "
1904                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
1905                     "id = 0x%04x retry cnt=%d\n",
1906                     ha->host_no,
1907                     fcport->port_name[0],
1908                     fcport->port_name[1],
1909                     fcport->port_name[2],
1910                     fcport->port_name[3],
1911                     fcport->port_name[4],
1912                     fcport->port_name[5],
1913                     fcport->port_name[6],
1914                     fcport->port_name[7],
1915                     fcport->loop_id,
1916                     fcport->login_retry));
1917         }
1918 }
1919
1920 /*
1921  * qla2x00_mark_all_devices_lost
1922  *      Updates fcport state when device goes offline.
1923  *
1924  * Input:
1925  *      ha = adapter block pointer.
1926  *      fcport = port structure pointer.
1927  *
1928  * Return:
1929  *      None.
1930  *
1931  * Context:
1932  */
1933 void
1934 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1935 {
1936         fc_port_t *fcport;
1937         scsi_qla_host_t *pha = to_qla_parent(ha);
1938
1939         list_for_each_entry(fcport, &pha->fcports, list) {
1940                 if (ha->vp_idx != fcport->vp_idx)
1941                         continue;
1942                 /*
1943                  * No point in marking the device as lost, if the device is
1944                  * already DEAD.
1945                  */
1946                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1947                         continue;
1948                 if (atomic_read(&fcport->state) == FCS_ONLINE)
1949                         qla2x00_schedule_rport_del(ha, fcport, defer);
1950                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1951         }
1952 }
1953
1954 /*
1955 * qla2x00_mem_alloc
1956 *      Allocates adapter memory.
1957 *
1958 * Returns:
1959 *      0  = success.
1960 *      !0  = failure.
1961 */
1962 static int
1963 qla2x00_mem_alloc(scsi_qla_host_t *ha)
1964 {
1965         char    name[16];
1966
1967         ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1968             (ha->request_q_length + 1) * sizeof(request_t), &ha->request_dma,
1969             GFP_KERNEL);
1970         if (!ha->request_ring)
1971                 goto fail;
1972
1973         ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1974             (ha->response_q_length + 1) * sizeof(response_t),
1975             &ha->response_dma, GFP_KERNEL);
1976         if (!ha->response_ring)
1977                 goto fail_free_request_ring;
1978
1979         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1980             &ha->gid_list_dma, GFP_KERNEL);
1981         if (!ha->gid_list)
1982                 goto fail_free_response_ring;
1983
1984         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
1985             &ha->init_cb_dma, GFP_KERNEL);
1986         if (!ha->init_cb)
1987                 goto fail_free_gid_list;
1988
1989         snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
1990             ha->host_no);
1991         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1992             DMA_POOL_SIZE, 8, 0);
1993         if (!ha->s_dma_pool)
1994                 goto fail_free_init_cb;
1995
1996         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
1997         if (!ha->srb_mempool)
1998                 goto fail_free_s_dma_pool;
1999
2000         /* Get memory for cached NVRAM */
2001         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2002         if (!ha->nvram)
2003                 goto fail_free_srb_mempool;
2004
2005         /* Allocate memory for SNS commands */
2006         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2007                 /* Get consistent memory allocated for SNS commands */
2008                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2009                     sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2010                 if (!ha->sns_cmd)
2011                         goto fail_free_nvram;
2012         } else {
2013                 /* Get consistent memory allocated for MS IOCB */
2014                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2015                     &ha->ms_iocb_dma);
2016                 if (!ha->ms_iocb)
2017                         goto fail_free_nvram;
2018
2019                 /* Get consistent memory allocated for CT SNS commands */
2020                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2021                     sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2022                 if (!ha->ct_sns)
2023                         goto fail_free_ms_iocb;
2024         }
2025
2026         return 0;
2027
2028 fail_free_ms_iocb:
2029         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2030         ha->ms_iocb = NULL;
2031         ha->ms_iocb_dma = 0;
2032 fail_free_nvram:
2033         kfree(ha->nvram);
2034         ha->nvram = NULL;
2035 fail_free_srb_mempool:
2036         mempool_destroy(ha->srb_mempool);
2037         ha->srb_mempool = NULL;
2038 fail_free_s_dma_pool:
2039         dma_pool_destroy(ha->s_dma_pool);
2040         ha->s_dma_pool = NULL;
2041 fail_free_init_cb:
2042         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2043             ha->init_cb_dma);
2044         ha->init_cb = NULL;
2045         ha->init_cb_dma = 0;
2046 fail_free_gid_list:
2047         dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2048             ha->gid_list_dma);
2049         ha->gid_list = NULL;
2050         ha->gid_list_dma = 0;
2051 fail_free_response_ring:
2052         dma_free_coherent(&ha->pdev->dev, (ha->response_q_length + 1) *
2053             sizeof(response_t), ha->response_ring, ha->response_dma);
2054         ha->response_ring = NULL;
2055         ha->response_dma = 0;
2056 fail_free_request_ring:
2057         dma_free_coherent(&ha->pdev->dev, (ha->request_q_length + 1) *
2058             sizeof(request_t), ha->request_ring, ha->request_dma);
2059         ha->request_ring = NULL;
2060         ha->request_dma = 0;
2061 fail:
2062         return -ENOMEM;
2063 }
2064
2065 /*
2066 * qla2x00_mem_free
2067 *      Frees all adapter allocated memory.
2068 *
2069 * Input:
2070 *      ha = adapter block pointer.
2071 */
2072 static void
2073 qla2x00_mem_free(scsi_qla_host_t *ha)
2074 {
2075         struct list_head        *fcpl, *fcptemp;
2076         fc_port_t       *fcport;
2077
2078         if (ha->srb_mempool)
2079                 mempool_destroy(ha->srb_mempool);
2080
2081         if (ha->fce)
2082                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2083                     ha->fce_dma);
2084
2085         if (ha->fw_dump) {
2086                 if (ha->eft)
2087                         dma_free_coherent(&ha->pdev->dev,
2088                             ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2089                 vfree(ha->fw_dump);
2090         }
2091
2092         if (ha->sns_cmd)
2093                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2094                     ha->sns_cmd, ha->sns_cmd_dma);
2095
2096         if (ha->ct_sns)
2097                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2098                     ha->ct_sns, ha->ct_sns_dma);
2099
2100         if (ha->sfp_data)
2101                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2102
2103         if (ha->ms_iocb)
2104                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2105
2106         if (ha->s_dma_pool)
2107                 dma_pool_destroy(ha->s_dma_pool);
2108
2109         if (ha->init_cb)
2110                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2111                     ha->init_cb, ha->init_cb_dma);
2112
2113         if (ha->gid_list)
2114                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2115                     ha->gid_list_dma);
2116
2117         if (ha->response_ring)
2118                 dma_free_coherent(&ha->pdev->dev,
2119                     (ha->response_q_length + 1) * sizeof(response_t),
2120                     ha->response_ring, ha->response_dma);
2121
2122         if (ha->request_ring)
2123                 dma_free_coherent(&ha->pdev->dev,
2124                     (ha->request_q_length + 1) * sizeof(request_t),
2125                     ha->request_ring, ha->request_dma);
2126
2127         ha->srb_mempool = NULL;
2128         ha->eft = NULL;
2129         ha->eft_dma = 0;
2130         ha->sns_cmd = NULL;
2131         ha->sns_cmd_dma = 0;
2132         ha->ct_sns = NULL;
2133         ha->ct_sns_dma = 0;
2134         ha->ms_iocb = NULL;
2135         ha->ms_iocb_dma = 0;
2136         ha->init_cb = NULL;
2137         ha->init_cb_dma = 0;
2138
2139         ha->s_dma_pool = NULL;
2140
2141         ha->gid_list = NULL;
2142         ha->gid_list_dma = 0;
2143
2144         ha->response_ring = NULL;
2145         ha->response_dma = 0;
2146         ha->request_ring = NULL;
2147         ha->request_dma = 0;
2148
2149         list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2150                 fcport = list_entry(fcpl, fc_port_t, list);
2151
2152                 /* fc ports */
2153                 list_del_init(&fcport->list);
2154                 kfree(fcport);
2155         }
2156         INIT_LIST_HEAD(&ha->fcports);
2157
2158         ha->fw_dump = NULL;
2159         ha->fw_dumped = 0;
2160         ha->fw_dump_reading = 0;
2161
2162         vfree(ha->optrom_buffer);
2163         kfree(ha->nvram);
2164 }
2165
2166 static struct qla_work_evt *
2167 qla2x00_alloc_work(struct scsi_qla_host *ha, enum qla_work_type type,
2168     int locked)
2169 {
2170         struct qla_work_evt *e;
2171
2172         e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2173             GFP_KERNEL);
2174         if (!e)
2175                 return NULL;
2176
2177         INIT_LIST_HEAD(&e->list);
2178         e->type = type;
2179         e->flags = QLA_EVT_FLAG_FREE;
2180         return e;
2181 }
2182
2183 static int
2184 qla2x00_post_work(struct scsi_qla_host *ha, struct qla_work_evt *e, int locked)
2185 {
2186         unsigned long uninitialized_var(flags);
2187         scsi_qla_host_t *pha = to_qla_parent(ha);
2188
2189         if (!locked)
2190                 spin_lock_irqsave(&pha->hardware_lock, flags);
2191         list_add_tail(&e->list, &ha->work_list);
2192         qla2xxx_wake_dpc(ha);
2193         if (!locked)
2194                 spin_unlock_irqrestore(&pha->hardware_lock, flags);
2195         return QLA_SUCCESS;
2196 }
2197
2198 int
2199 qla2x00_post_aen_work(struct scsi_qla_host *ha, enum fc_host_event_code code,
2200     u32 data)
2201 {
2202         struct qla_work_evt *e;
2203
2204         e = qla2x00_alloc_work(ha, QLA_EVT_AEN, 1);
2205         if (!e)
2206                 return QLA_FUNCTION_FAILED;
2207
2208         e->u.aen.code = code;
2209         e->u.aen.data = data;
2210         return qla2x00_post_work(ha, e, 1);
2211 }
2212
2213 int
2214 qla2x00_post_hwe_work(struct scsi_qla_host *ha, uint16_t code, uint16_t d1,
2215     uint16_t d2, uint16_t d3)
2216 {
2217         struct qla_work_evt *e;
2218
2219         e = qla2x00_alloc_work(ha, QLA_EVT_HWE_LOG, 1);
2220         if (!e)
2221                 return QLA_FUNCTION_FAILED;
2222
2223         e->u.hwe.code = code;
2224         e->u.hwe.d1 = d1;
2225         e->u.hwe.d2 = d2;
2226         e->u.hwe.d3 = d3;
2227         return qla2x00_post_work(ha, e, 1);
2228 }
2229
2230 static void
2231 qla2x00_do_work(struct scsi_qla_host *ha)
2232 {
2233         struct qla_work_evt *e;
2234         scsi_qla_host_t *pha = to_qla_parent(ha);
2235
2236         spin_lock_irq(&pha->hardware_lock);
2237         while (!list_empty(&ha->work_list)) {
2238                 e = list_entry(ha->work_list.next, struct qla_work_evt, list);
2239                 list_del_init(&e->list);
2240                 spin_unlock_irq(&pha->hardware_lock);
2241
2242                 switch (e->type) {
2243                 case QLA_EVT_AEN:
2244                         fc_host_post_event(ha->host, fc_get_event_number(),
2245                             e->u.aen.code, e->u.aen.data);
2246                         break;
2247                 case QLA_EVT_HWE_LOG:
2248                         qla2xxx_hw_event_log(ha, e->u.hwe.code, e->u.hwe.d1,
2249                             e->u.hwe.d2, e->u.hwe.d3);
2250                         break;
2251                 }
2252                 if (e->flags & QLA_EVT_FLAG_FREE)
2253                         kfree(e);
2254                 spin_lock_irq(&pha->hardware_lock);
2255         }
2256         spin_unlock_irq(&pha->hardware_lock);
2257 }
2258
2259 /**************************************************************************
2260 * qla2x00_do_dpc
2261 *   This kernel thread is a task that is schedule by the interrupt handler
2262 *   to perform the background processing for interrupts.
2263 *
2264 * Notes:
2265 * This task always run in the context of a kernel thread.  It
2266 * is kick-off by the driver's detect code and starts up
2267 * up one per adapter. It immediately goes to sleep and waits for
2268 * some fibre event.  When either the interrupt handler or
2269 * the timer routine detects a event it will one of the task
2270 * bits then wake us up.
2271 **************************************************************************/
2272 static int
2273 qla2x00_do_dpc(void *data)
2274 {
2275         int             rval;
2276         scsi_qla_host_t *ha;
2277         fc_port_t       *fcport;
2278         uint8_t         status;
2279         uint16_t        next_loopid;
2280         struct scsi_qla_host *vha;
2281         int             i;
2282
2283
2284         ha = (scsi_qla_host_t *)data;
2285
2286         set_user_nice(current, -20);
2287
2288         while (!kthread_should_stop()) {
2289                 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2290
2291                 set_current_state(TASK_INTERRUPTIBLE);
2292                 schedule();
2293                 __set_current_state(TASK_RUNNING);
2294
2295                 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2296
2297                 /* Initialization not yet finished. Don't do anything yet. */
2298                 if (!ha->flags.init_done)
2299                         continue;
2300
2301                 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2302
2303                 ha->dpc_active = 1;
2304
2305                 if (ha->flags.mbox_busy) {
2306                         ha->dpc_active = 0;
2307                         continue;
2308                 }
2309
2310                 qla2x00_do_work(ha);
2311
2312                 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2313
2314                         DEBUG(printk("scsi(%ld): dpc: sched "
2315                             "qla2x00_abort_isp ha = %p\n",
2316                             ha->host_no, ha));
2317                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2318                             &ha->dpc_flags))) {
2319
2320                                 if (qla2x00_abort_isp(ha)) {
2321                                         /* failed. retry later */
2322                                         set_bit(ISP_ABORT_NEEDED,
2323                                             &ha->dpc_flags);
2324                                 }
2325                                 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2326                         }
2327
2328                         for_each_mapped_vp_idx(ha, i) {
2329                                 list_for_each_entry(vha, &ha->vp_list,
2330                                     vp_list) {
2331                                         if (i == vha->vp_idx) {
2332                                                 set_bit(ISP_ABORT_NEEDED,
2333                                                     &vha->dpc_flags);
2334                                                 break;
2335                                         }
2336                                 }
2337                         }
2338
2339                         DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2340                             ha->host_no));
2341                 }
2342
2343                 if (test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags)) {
2344                         qla2x00_update_fcports(ha);
2345                         clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
2346                 }
2347
2348                 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2349                     (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2350
2351                         DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2352                             ha->host_no));
2353
2354                         qla2x00_rst_aen(ha);
2355                         clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2356                 }
2357
2358                 /* Retry each device up to login retry count */
2359                 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2360                     !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2361                     atomic_read(&ha->loop_state) != LOOP_DOWN) {
2362
2363                         DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2364                             ha->host_no));
2365
2366                         next_loopid = 0;
2367                         list_for_each_entry(fcport, &ha->fcports, list) {
2368                                 /*
2369                                  * If the port is not ONLINE then try to login
2370                                  * to it if we haven't run out of retries.
2371                                  */
2372                                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2373                                     fcport->login_retry) {
2374
2375                                         if (fcport->flags & FCF_FABRIC_DEVICE) {
2376                                                 if (fcport->flags &
2377                                                     FCF_TAPE_PRESENT)
2378                                                         ha->isp_ops->fabric_logout(
2379                                                             ha, fcport->loop_id,
2380                                                             fcport->d_id.b.domain,
2381                                                             fcport->d_id.b.area,
2382                                                             fcport->d_id.b.al_pa);
2383                                                 status = qla2x00_fabric_login(
2384                                                     ha, fcport, &next_loopid);
2385                                         } else
2386                                                 status =
2387                                                     qla2x00_local_device_login(
2388                                                         ha, fcport);
2389
2390                                         fcport->login_retry--;
2391                                         if (status == QLA_SUCCESS) {
2392                                                 fcport->old_loop_id = fcport->loop_id;
2393
2394                                                 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2395                                                     ha->host_no, fcport->loop_id));
2396
2397                                                 qla2x00_update_fcport(ha,
2398                                                     fcport);
2399                                         } else if (status == 1) {
2400                                                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2401                                                 /* retry the login again */
2402                                                 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2403                                                     ha->host_no,
2404                                                     fcport->login_retry, fcport->loop_id));
2405                                         } else {
2406                                                 fcport->login_retry = 0;
2407                                         }
2408                                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2409                                                 fcport->loop_id = FC_NO_LOOP_ID;
2410                                 }
2411                                 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2412                                         break;
2413                         }
2414                         DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2415                             ha->host_no));
2416                 }
2417
2418                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2419
2420                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2421                             ha->host_no));
2422
2423                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2424                             &ha->dpc_flags))) {
2425
2426                                 rval = qla2x00_loop_resync(ha);
2427
2428                                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2429                         }
2430
2431                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2432                             ha->host_no));
2433                 }
2434
2435                 if (test_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags) &&
2436                     atomic_read(&ha->loop_state) == LOOP_READY) {
2437                         clear_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags);
2438                         qla2xxx_flash_npiv_conf(ha);
2439                 }
2440
2441                 if (!ha->interrupts_on)
2442                         ha->isp_ops->enable_intrs(ha);
2443
2444                 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2445                         ha->isp_ops->beacon_blink(ha);
2446
2447                 qla2x00_do_dpc_all_vps(ha);
2448
2449                 ha->dpc_active = 0;
2450         } /* End of while(1) */
2451
2452         DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2453
2454         /*
2455          * Make sure that nobody tries to wake us up again.
2456          */
2457         ha->dpc_active = 0;
2458
2459         return 0;
2460 }
2461
2462 void
2463 qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2464 {
2465         struct task_struct *t = ha->dpc_thread;
2466
2467         if (!test_bit(UNLOADING, &ha->dpc_flags) && t)
2468                 wake_up_process(t);
2469 }
2470
2471 /*
2472 *  qla2x00_rst_aen
2473 *      Processes asynchronous reset.
2474 *
2475 * Input:
2476 *      ha  = adapter block pointer.
2477 */
2478 static void
2479 qla2x00_rst_aen(scsi_qla_host_t *ha)
2480 {
2481         if (ha->flags.online && !ha->flags.reset_active &&
2482             !atomic_read(&ha->loop_down_timer) &&
2483             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2484                 do {
2485                         clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2486
2487                         /*
2488                          * Issue marker command only when we are going to start
2489                          * the I/O.
2490                          */
2491                         ha->marker_needed = 1;
2492                 } while (!atomic_read(&ha->loop_down_timer) &&
2493                     (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2494         }
2495 }
2496
2497 static void
2498 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2499 {
2500         struct scsi_cmnd *cmd = sp->cmd;
2501
2502         if (sp->flags & SRB_DMA_VALID) {
2503                 scsi_dma_unmap(cmd);
2504                 sp->flags &= ~SRB_DMA_VALID;
2505         }
2506         CMD_SP(cmd) = NULL;
2507 }
2508
2509 void
2510 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2511 {
2512         struct scsi_cmnd *cmd = sp->cmd;
2513
2514         qla2x00_sp_free_dma(ha, sp);
2515
2516         mempool_free(sp, ha->srb_mempool);
2517
2518         cmd->scsi_done(cmd);
2519 }
2520
2521 /**************************************************************************
2522 *   qla2x00_timer
2523 *
2524 * Description:
2525 *   One second timer
2526 *
2527 * Context: Interrupt
2528 ***************************************************************************/
2529 void
2530 qla2x00_timer(scsi_qla_host_t *ha)
2531 {
2532         unsigned long   cpu_flags = 0;
2533         fc_port_t       *fcport;
2534         int             start_dpc = 0;
2535         int             index;
2536         srb_t           *sp;
2537         int             t;
2538         scsi_qla_host_t *pha = to_qla_parent(ha);
2539
2540         /*
2541          * Ports - Port down timer.
2542          *
2543          * Whenever, a port is in the LOST state we start decrementing its port
2544          * down timer every second until it reaches zero. Once  it reaches zero
2545          * the port it marked DEAD.
2546          */
2547         t = 0;
2548         list_for_each_entry(fcport, &ha->fcports, list) {
2549                 if (fcport->port_type != FCT_TARGET)
2550                         continue;
2551
2552                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2553
2554                         if (atomic_read(&fcport->port_down_timer) == 0)
2555                                 continue;
2556
2557                         if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2558                                 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2559
2560                         DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2561                             "%d remaining\n",
2562                             ha->host_no,
2563                             t, atomic_read(&fcport->port_down_timer)));
2564                 }
2565                 t++;
2566         } /* End of for fcport  */
2567
2568
2569         /* Loop down handler. */
2570         if (atomic_read(&ha->loop_down_timer) > 0 &&
2571             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2572
2573                 if (atomic_read(&ha->loop_down_timer) ==
2574                     ha->loop_down_abort_time) {
2575
2576                         DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2577                             "queues before time expire\n",
2578                             ha->host_no));
2579
2580                         if (!IS_QLA2100(ha) && ha->link_down_timeout)
2581                                 atomic_set(&ha->loop_state, LOOP_DEAD);
2582
2583                         /* Schedule an ISP abort to return any tape commands. */
2584                         /* NPIV - scan physical port only */
2585                         if (!ha->parent) {
2586                                 spin_lock_irqsave(&ha->hardware_lock,
2587                                     cpu_flags);
2588                                 for (index = 1;
2589                                     index < MAX_OUTSTANDING_COMMANDS;
2590                                     index++) {
2591                                         fc_port_t *sfcp;
2592
2593                                         sp = ha->outstanding_cmds[index];
2594                                         if (!sp)
2595                                                 continue;
2596                                         sfcp = sp->fcport;
2597                                         if (!(sfcp->flags & FCF_TAPE_PRESENT))
2598                                                 continue;
2599
2600                                         set_bit(ISP_ABORT_NEEDED,
2601                                             &ha->dpc_flags);
2602                                         break;
2603                                 }
2604                                 spin_unlock_irqrestore(&ha->hardware_lock,
2605                                     cpu_flags);
2606                         }
2607                         set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2608                         start_dpc++;
2609                 }
2610
2611                 /* if the loop has been down for 4 minutes, reinit adapter */
2612                 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2613                         DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2614                             "restarting queues.\n",
2615                             ha->host_no));
2616
2617                         set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2618                         start_dpc++;
2619
2620                         if (!(ha->device_flags & DFLG_NO_CABLE) &&
2621                             !ha->parent) {
2622                                 DEBUG(printk("scsi(%ld): Loop down - "
2623                                     "aborting ISP.\n",
2624                                     ha->host_no));
2625                                 qla_printk(KERN_WARNING, ha,
2626                                     "Loop down - aborting ISP.\n");
2627
2628                                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2629                         }
2630                 }
2631                 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2632                     ha->host_no,
2633                     atomic_read(&ha->loop_down_timer)));
2634         }
2635
2636         /* Check if beacon LED needs to be blinked */
2637         if (ha->beacon_blink_led == 1) {
2638                 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2639                 start_dpc++;
2640         }
2641
2642         /* Process any deferred work. */
2643         if (!list_empty(&ha->work_list))
2644                 start_dpc++;
2645
2646         /* Schedule the DPC routine if needed */
2647         if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2648             test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2649             test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
2650             start_dpc ||
2651             test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2652             test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2653             test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
2654             test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2655                 qla2xxx_wake_dpc(pha);
2656
2657         qla2x00_restart_timer(ha, WATCH_INTERVAL);
2658 }
2659
2660 /* Firmware interface routines. */
2661
2662 #define FW_BLOBS        6
2663 #define FW_ISP21XX      0
2664 #define FW_ISP22XX      1
2665 #define FW_ISP2300      2
2666 #define FW_ISP2322      3
2667 #define FW_ISP24XX      4
2668 #define FW_ISP25XX      5
2669
2670 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2671 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2672 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2673 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2674 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2675 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2676
2677 static DEFINE_MUTEX(qla_fw_lock);
2678
2679 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2680         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2681         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2682         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2683         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2684         { .name = FW_FILE_ISP24XX, },
2685         { .name = FW_FILE_ISP25XX, },
2686 };
2687
2688 struct fw_blob *
2689 qla2x00_request_firmware(scsi_qla_host_t *ha)
2690 {
2691         struct fw_blob *blob;
2692
2693         blob = NULL;
2694         if (IS_QLA2100(ha)) {
2695                 blob = &qla_fw_blobs[FW_ISP21XX];
2696         } else if (IS_QLA2200(ha)) {
2697                 blob = &qla_fw_blobs[FW_ISP22XX];
2698         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2699                 blob = &qla_fw_blobs[FW_ISP2300];
2700         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2701                 blob = &qla_fw_blobs[FW_ISP2322];
2702         } else if (IS_QLA24XX_TYPE(ha)) {
2703                 blob = &qla_fw_blobs[FW_ISP24XX];
2704         } else if (IS_QLA25XX(ha)) {
2705                 blob = &qla_fw_blobs[FW_ISP25XX];
2706         }
2707
2708         mutex_lock(&qla_fw_lock);
2709         if (blob->fw)
2710                 goto out;
2711
2712         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2713                 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2714                     "(%s).\n", ha->host_no, blob->name));
2715                 blob->fw = NULL;
2716                 blob = NULL;
2717                 goto out;
2718         }
2719
2720 out:
2721         mutex_unlock(&qla_fw_lock);
2722         return blob;
2723 }
2724
2725 static void
2726 qla2x00_release_firmware(void)
2727 {
2728         int idx;
2729
2730         mutex_lock(&qla_fw_lock);
2731         for (idx = 0; idx < FW_BLOBS; idx++)
2732                 if (qla_fw_blobs[idx].fw)
2733                         release_firmware(qla_fw_blobs[idx].fw);
2734         mutex_unlock(&qla_fw_lock);
2735 }
2736
2737 static pci_ers_result_t
2738 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2739 {
2740         switch (state) {
2741         case pci_channel_io_normal:
2742                 return PCI_ERS_RESULT_CAN_RECOVER;
2743         case pci_channel_io_frozen:
2744                 pci_disable_device(pdev);
2745                 return PCI_ERS_RESULT_NEED_RESET;
2746         case pci_channel_io_perm_failure:
2747                 qla2x00_remove_one(pdev);
2748                 return PCI_ERS_RESULT_DISCONNECT;
2749         }
2750         return PCI_ERS_RESULT_NEED_RESET;
2751 }
2752
2753 static pci_ers_result_t
2754 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2755 {
2756         int risc_paused = 0;
2757         uint32_t stat;
2758         unsigned long flags;
2759         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2760         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2761         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2762
2763         spin_lock_irqsave(&ha->hardware_lock, flags);
2764         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2765                 stat = RD_REG_DWORD(&reg->hccr);
2766                 if (stat & HCCR_RISC_PAUSE)
2767                         risc_paused = 1;
2768         } else if (IS_QLA23XX(ha)) {
2769                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2770                 if (stat & HSR_RISC_PAUSED)
2771                         risc_paused = 1;
2772         } else if (IS_FWI2_CAPABLE(ha)) {
2773                 stat = RD_REG_DWORD(&reg24->host_status);
2774                 if (stat & HSRX_RISC_PAUSED)
2775                         risc_paused = 1;
2776         }
2777         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2778
2779         if (risc_paused) {
2780                 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2781                     "Dumping firmware!\n");
2782                 ha->isp_ops->fw_dump(ha, 0);
2783
2784                 return PCI_ERS_RESULT_NEED_RESET;
2785         } else
2786                 return PCI_ERS_RESULT_RECOVERED;
2787 }
2788
2789 static pci_ers_result_t
2790 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2791 {
2792         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2793         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2794         int rc;
2795
2796         if (ha->mem_only)
2797                 rc = pci_enable_device_mem(pdev);
2798         else
2799                 rc = pci_enable_device(pdev);
2800
2801         if (rc) {
2802                 qla_printk(KERN_WARNING, ha,
2803                     "Can't re-enable PCI device after reset.\n");
2804
2805                 return ret;
2806         }
2807         pci_set_master(pdev);
2808
2809         if (ha->isp_ops->pci_config(ha))
2810                 return ret;
2811
2812         set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2813         if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2814                 ret =  PCI_ERS_RESULT_RECOVERED;
2815         clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2816
2817         return ret;
2818 }
2819
2820 static void
2821 qla2xxx_pci_resume(struct pci_dev *pdev)
2822 {
2823         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2824         int ret;
2825
2826         ret = qla2x00_wait_for_hba_online(ha);
2827         if (ret != QLA_SUCCESS) {
2828                 qla_printk(KERN_ERR, ha,
2829                     "the device failed to resume I/O "
2830                     "from slot/link_reset");
2831         }
2832         pci_cleanup_aer_uncorrect_error_status(pdev);
2833 }
2834
2835 static struct pci_error_handlers qla2xxx_err_handler = {
2836         .error_detected = qla2xxx_pci_error_detected,
2837         .mmio_enabled = qla2xxx_pci_mmio_enabled,
2838         .slot_reset = qla2xxx_pci_slot_reset,
2839         .resume = qla2xxx_pci_resume,
2840 };
2841
2842 static struct pci_device_id qla2xxx_pci_tbl[] = {
2843         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2844         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2845         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2846         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2847         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2848         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2849         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2850         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2851         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2852         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
2853         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2854         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
2855         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
2856         { 0 },
2857 };
2858 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2859
2860 static struct pci_driver qla2xxx_pci_driver = {
2861         .name           = QLA2XXX_DRIVER_NAME,
2862         .driver         = {
2863                 .owner          = THIS_MODULE,
2864         },
2865         .id_table       = qla2xxx_pci_tbl,
2866         .probe          = qla2x00_probe_one,
2867         .remove         = qla2x00_remove_one,
2868         .err_handler    = &qla2xxx_err_handler,
2869 };
2870
2871 /**
2872  * qla2x00_module_init - Module initialization.
2873  **/
2874 static int __init
2875 qla2x00_module_init(void)
2876 {
2877         int ret = 0;
2878
2879         /* Allocate cache for SRBs. */
2880         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2881             SLAB_HWCACHE_ALIGN, NULL);
2882         if (srb_cachep == NULL) {
2883                 printk(KERN_ERR
2884                     "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2885                 return -ENOMEM;
2886         }
2887
2888         /* Derive version string. */
2889         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2890         if (ql2xextended_error_logging)
2891                 strcat(qla2x00_version_str, "-debug");
2892
2893         qla2xxx_transport_template =
2894             fc_attach_transport(&qla2xxx_transport_functions);
2895         if (!qla2xxx_transport_template) {
2896                 kmem_cache_destroy(srb_cachep);
2897                 return -ENODEV;
2898         }
2899         qla2xxx_transport_vport_template =
2900             fc_attach_transport(&qla2xxx_transport_vport_functions);
2901         if (!qla2xxx_transport_vport_template) {
2902                 kmem_cache_destroy(srb_cachep);
2903                 fc_release_transport(qla2xxx_transport_template);
2904                 return -ENODEV;
2905         }
2906
2907         printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
2908             qla2x00_version_str);
2909         ret = pci_register_driver(&qla2xxx_pci_driver);
2910         if (ret) {
2911                 kmem_cache_destroy(srb_cachep);
2912                 fc_release_transport(qla2xxx_transport_template);
2913                 fc_release_transport(qla2xxx_transport_vport_template);
2914         }
2915         return ret;
2916 }
2917
2918 /**
2919  * qla2x00_module_exit - Module cleanup.
2920  **/
2921 static void __exit
2922 qla2x00_module_exit(void)
2923 {
2924         pci_unregister_driver(&qla2xxx_pci_driver);
2925         qla2x00_release_firmware();
2926         kmem_cache_destroy(srb_cachep);
2927         fc_release_transport(qla2xxx_transport_template);
2928         fc_release_transport(qla2xxx_transport_vport_template);
2929 }
2930
2931 module_init(qla2x00_module_init);
2932 module_exit(qla2x00_module_exit);
2933
2934 MODULE_AUTHOR("QLogic Corporation");
2935 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2936 MODULE_LICENSE("GPL");
2937 MODULE_VERSION(QLA2XXX_VERSION);
2938 MODULE_FIRMWARE(FW_FILE_ISP21XX);
2939 MODULE_FIRMWARE(FW_FILE_ISP22XX);
2940 MODULE_FIRMWARE(FW_FILE_ISP2300);
2941 MODULE_FIRMWARE(FW_FILE_ISP2322);
2942 MODULE_FIRMWARE(FW_FILE_ISP24XX);
2943 MODULE_FIRMWARE(FW_FILE_ISP25XX);