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(ha->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                 if (ha->vp_idx != sp->ha->vp_idx)
 784                         continue;
 785                 match = 0;
 786                 switch (type) {
 787                 case WAIT_HOST:
 788                         match = 1;
 789                         break;
 790                 case WAIT_TARGET:
 791                         match = sp->cmd->device->id == t;
 792                         break;
 793                 case WAIT_LUN:
 794                         match = (sp->cmd->device->id == t &&
 795                             sp->cmd->device->lun == l);
 796                         break;
 797                 }
 798                 if (!match)
 799                         continue;
 800
 801                 spin_unlock_irqrestore(&pha->hardware_lock, flags);
 802                 status = qla2x00_eh_wait_on_command(ha, sp->cmd);
 803                 spin_lock_irqsave(&pha->hardware_lock, flags);
 804         }
 805         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 806
 807         return status;
 808 }
 809
 810 static char *reset_errors[] = {
 811         "HBA not online",
 812         "HBA not ready",
 813         "Task management failed",
 814         "Waiting for command completions",
 815 };
 816
 817 static int
 818 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
 819     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
 820 {
 821         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 822         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 823         int err;
 824
 825         qla2x00_block_error_handler(cmd);
 826
 827         if (!fcport)
 828                 return FAILED;
 829
 830         qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
 831             ha->host_no, cmd->device->id, cmd->device->lun, name);
 832
 833         err = 0;
 834         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 835                 goto eh_reset_failed;
 836         err = 1;
 837         if (qla2x00_wait_for_loop_ready(ha) != QLA_SUCCESS)
 838                 goto eh_reset_failed;
 839         err = 2;
 840         if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
 841                 goto eh_reset_failed;
 842         err = 3;
 843         if (qla2x00_eh_wait_for_pending_commands(ha, cmd->device->id,
 844             cmd->device->lun, type) != QLA_SUCCESS)
 845                 goto eh_reset_failed;
 846
 847         qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
 848             ha->host_no, cmd->device->id, cmd->device->lun, name);
 849
 850         return SUCCESS;
 851
 852  eh_reset_failed:
 853         qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n",
 854             ha->host_no, cmd->device->id, cmd->device->lun, name,
 855             reset_errors[err]);
 856         return FAILED;
 857 }
 858
 859 static int
 860 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
 861 {
 862         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 863
 864         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
 865             ha->isp_ops->lun_reset);
 866 }
 867
 868 static int
 869 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
 870 {
 871         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 872
 873         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
 874             ha->isp_ops->target_reset);
 875 }
 876
 877 /**************************************************************************
 878 * qla2xxx_eh_bus_reset
 879 *
 880 * Description:
 881 *    The bus reset function will reset the bus and abort any executing
 882 *    commands.
 883 *
 884 * Input:
 885 *    cmd = Linux SCSI command packet of the command that cause the
 886 *          bus reset.
 887 *
 888 * Returns:
 889 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 890 *
 891 **************************************************************************/
 892 static int
 893 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 894 {
 895         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 896         scsi_qla_host_t *pha = to_qla_parent(ha);
 897         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 898         int ret = FAILED;
 899         unsigned int id, lun;
 900         unsigned long serial;
 901
 902         qla2x00_block_error_handler(cmd);
 903
 904         id = cmd->device->id;
 905         lun = cmd->device->lun;
 906         serial = cmd->serial_number;
 907
 908         if (!fcport)
 909                 return ret;
 910
 911         qla_printk(KERN_INFO, ha,
 912             "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
 913
 914         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
 915                 DEBUG2(printk("%s failed:board disabled\n",__func__));
 916                 goto eh_bus_reset_done;
 917         }
 918
 919         if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
 920                 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
 921                         ret = SUCCESS;
 922         }
 923         if (ret == FAILED)
 924                 goto eh_bus_reset_done;
 925
 926         /* Flush outstanding commands. */
 927         if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) !=
 928             QLA_SUCCESS)
 929                 ret = FAILED;
 930
 931 eh_bus_reset_done:
 932         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
 933             (ret == FAILED) ? "failed" : "succeded");
 934
 935         return ret;
 936 }
 937
 938 /**************************************************************************
 939 * qla2xxx_eh_host_reset
 940 *
 941 * Description:
 942 *    The reset function will reset the Adapter.
 943 *
 944 * Input:
 945 *      cmd = Linux SCSI command packet of the command that cause the
 946 *            adapter reset.
 947 *
 948 * Returns:
 949 *      Either SUCCESS or FAILED.
 950 *
 951 * Note:
 952 **************************************************************************/
 953 static int
 954 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 955 {
 956         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 957         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 958         int ret = FAILED;
 959         unsigned int id, lun;
 960         unsigned long serial;
 961         scsi_qla_host_t *pha = to_qla_parent(ha);
 962
 963         qla2x00_block_error_handler(cmd);
 964
 965         id = cmd->device->id;
 966         lun = cmd->device->lun;
 967         serial = cmd->serial_number;
 968
 969         if (!fcport)
 970                 return ret;
 971
 972         qla_printk(KERN_INFO, ha,
 973             "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
 974
 975         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 976                 goto eh_host_reset_lock;
 977
 978         /*
 979          * Fixme-may be dpc thread is active and processing
 980          * loop_resync,so wait a while for it to
 981          * be completed and then issue big hammer.Otherwise
 982          * it may cause I/O failure as big hammer marks the
 983          * devices as lost kicking of the port_down_timer
 984          * while dpc is stuck for the mailbox to complete.
 985          */
 986         qla2x00_wait_for_loop_ready(ha);
 987         set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
 988         if (qla2x00_abort_isp(pha)) {
 989                 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
 990                 /* failed. schedule dpc to try */
 991                 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
 992
 993                 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 994                         goto eh_host_reset_lock;
 995         }
 996         clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
 997
 998         /* Waiting for our command in done_queue to be returned to OS.*/
 999         if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) ==
1000             QLA_SUCCESS)
1001                 ret = SUCCESS;
1002
1003         if (ha->parent)
1004                 qla2x00_vp_abort_isp(ha);
1005
1006 eh_host_reset_lock:
1007         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1008             (ret == FAILED) ? "failed" : "succeded");
1009
1010         return ret;
1011 }
1012
1013 /*
1014 * qla2x00_loop_reset
1015 *      Issue loop reset.
1016 *
1017 * Input:
1018 *      ha = adapter block pointer.
1019 *
1020 * Returns:
1021 *      0 = success
1022 */
1023 int
1024 qla2x00_loop_reset(scsi_qla_host_t *ha)
1025 {
1026         int ret;
1027         struct fc_port *fcport;
1028
1029         if (ha->flags.enable_lip_full_login) {
1030                 ret = qla2x00_full_login_lip(ha);
1031                 if (ret != QLA_SUCCESS) {
1032                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1033                             "full_login_lip=%d.\n", __func__, ha->host_no,
1034                             ret));
1035                 }
1036                 atomic_set(&ha->loop_state, LOOP_DOWN);
1037                 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1038                 qla2x00_mark_all_devices_lost(ha, 0);
1039                 qla2x00_wait_for_loop_ready(ha);
1040         }
1041
1042         if (ha->flags.enable_lip_reset) {
1043                 ret = qla2x00_lip_reset(ha);
1044                 if (ret != QLA_SUCCESS) {
1045                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1046                             "lip_reset=%d.\n", __func__, ha->host_no, ret));
1047                 }
1048                 qla2x00_wait_for_loop_ready(ha);
1049         }
1050
1051         if (ha->flags.enable_target_reset) {
1052                 list_for_each_entry(fcport, &ha->fcports, list) {
1053                         if (fcport->port_type != FCT_TARGET)
1054                                 continue;
1055
1056                         ret = ha->isp_ops->target_reset(fcport, 0);
1057                         if (ret != QLA_SUCCESS) {
1058                                 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1059                                     "target_reset=%d d_id=%x.\n", __func__,
1060                                     ha->host_no, ret, fcport->d_id.b24));
1061                         }
1062                 }
1063         }
1064
1065         /* Issue marker command only when we are going to start the I/O */
1066         ha->marker_needed = 1;
1067
1068         return QLA_SUCCESS;
1069 }
1070
1071 void
1072 qla2x00_abort_all_cmds(scsi_qla_host_t *ha, int res)
1073 {
1074         int cnt;
1075         unsigned long flags;
1076         srb_t *sp;
1077
1078         spin_lock_irqsave(&ha->hardware_lock, flags);
1079         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1080                 sp = ha->outstanding_cmds[cnt];
1081                 if (sp) {
1082                         ha->outstanding_cmds[cnt] = NULL;
1083                         sp->flags = 0;
1084                         sp->cmd->result = res;
1085                         sp->cmd->host_scribble = (unsigned char *)NULL;
1086                         qla2x00_sp_compl(ha, sp);
1087                 }
1088         }
1089         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1090 }
1091
1092 static int
1093 qla2xxx_slave_alloc(struct scsi_device *sdev)
1094 {
1095         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1096
1097         if (!rport || fc_remote_port_chkready(rport))
1098                 return -ENXIO;
1099
1100         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1101
1102         return 0;
1103 }
1104
1105 static int
1106 qla2xxx_slave_configure(struct scsi_device *sdev)
1107 {
1108         scsi_qla_host_t *ha = shost_priv(sdev->host);
1109         struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1110
1111         if (sdev->tagged_supported)
1112                 scsi_activate_tcq(sdev, ha->max_q_depth);
1113         else
1114                 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1115
1116         rport->dev_loss_tmo = ha->port_down_retry_count;
1117
1118         return 0;
1119 }
1120
1121 static void
1122 qla2xxx_slave_destroy(struct scsi_device *sdev)
1123 {
1124         sdev->hostdata = NULL;
1125 }
1126
1127 static int
1128 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1129 {
1130         scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1131         return sdev->queue_depth;
1132 }
1133
1134 static int
1135 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1136 {
1137         if (sdev->tagged_supported) {
1138                 scsi_set_tag_type(sdev, tag_type);
1139                 if (tag_type)
1140                         scsi_activate_tcq(sdev, sdev->queue_depth);
1141                 else
1142                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1143         } else
1144                 tag_type = 0;
1145
1146         return tag_type;
1147 }
1148
1149 /**
1150  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1151  * @ha: HA context
1152  *
1153  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1154  * supported addressing method.
1155  */
1156 static void
1157 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1158 {
1159         /* Assume a 32bit DMA mask. */
1160         ha->flags.enable_64bit_addressing = 0;
1161
1162         if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1163                 /* Any upper-dword bits set? */
1164                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1165                     !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1166                         /* Ok, a 64bit DMA mask is applicable. */
1167                         ha->flags.enable_64bit_addressing = 1;
1168                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1169                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1170                         return;
1171                 }
1172         }
1173
1174         dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1175         pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1176 }
1177
1178 static void
1179 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1180 {
1181         unsigned long flags = 0;
1182         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1183
1184         spin_lock_irqsave(&ha->hardware_lock, flags);
1185         ha->interrupts_on = 1;
1186         /* enable risc and host interrupts */
1187         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1188         RD_REG_WORD(&reg->ictrl);
1189         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1190
1191 }
1192
1193 static void
1194 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1195 {
1196         unsigned long flags = 0;
1197         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1198
1199         spin_lock_irqsave(&ha->hardware_lock, flags);
1200         ha->interrupts_on = 0;
1201         /* disable risc and host interrupts */
1202         WRT_REG_WORD(&reg->ictrl, 0);
1203         RD_REG_WORD(&reg->ictrl);
1204         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1205 }
1206
1207 static void
1208 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1209 {
1210         unsigned long flags = 0;
1211         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1212
1213         spin_lock_irqsave(&ha->hardware_lock, flags);
1214         ha->interrupts_on = 1;
1215         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1216         RD_REG_DWORD(&reg->ictrl);
1217         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1218 }
1219
1220 static void
1221 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1222 {
1223         unsigned long flags = 0;
1224         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1225
1226         spin_lock_irqsave(&ha->hardware_lock, flags);
1227         ha->interrupts_on = 0;
1228         WRT_REG_DWORD(&reg->ictrl, 0);
1229         RD_REG_DWORD(&reg->ictrl);
1230         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1231 }
1232
1233 static struct isp_operations qla2100_isp_ops = {
1234         .pci_config             = qla2100_pci_config,
1235         .reset_chip             = qla2x00_reset_chip,
1236         .chip_diag              = qla2x00_chip_diag,
1237         .config_rings           = qla2x00_config_rings,
1238         .reset_adapter          = qla2x00_reset_adapter,
1239         .nvram_config           = qla2x00_nvram_config,
1240         .update_fw_options      = qla2x00_update_fw_options,
1241         .load_risc              = qla2x00_load_risc,
1242         .pci_info_str           = qla2x00_pci_info_str,
1243         .fw_version_str         = qla2x00_fw_version_str,
1244         .intr_handler           = qla2100_intr_handler,
1245         .enable_intrs           = qla2x00_enable_intrs,
1246         .disable_intrs          = qla2x00_disable_intrs,
1247         .abort_command          = qla2x00_abort_command,
1248         .target_reset           = qla2x00_abort_target,
1249         .lun_reset              = qla2x00_lun_reset,
1250         .fabric_login           = qla2x00_login_fabric,
1251         .fabric_logout          = qla2x00_fabric_logout,
1252         .calc_req_entries       = qla2x00_calc_iocbs_32,
1253         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1254         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1255         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1256         .read_nvram             = qla2x00_read_nvram_data,
1257         .write_nvram            = qla2x00_write_nvram_data,
1258         .fw_dump                = qla2100_fw_dump,
1259         .beacon_on              = NULL,
1260         .beacon_off             = NULL,
1261         .beacon_blink           = NULL,
1262         .read_optrom            = qla2x00_read_optrom_data,
1263         .write_optrom           = qla2x00_write_optrom_data,
1264         .get_flash_version      = qla2x00_get_flash_version,
1265 };
1266
1267 static struct isp_operations qla2300_isp_ops = {
1268         .pci_config             = qla2300_pci_config,
1269         .reset_chip             = qla2x00_reset_chip,
1270         .chip_diag              = qla2x00_chip_diag,
1271         .config_rings           = qla2x00_config_rings,
1272         .reset_adapter          = qla2x00_reset_adapter,
1273         .nvram_config           = qla2x00_nvram_config,
1274         .update_fw_options      = qla2x00_update_fw_options,
1275         .load_risc              = qla2x00_load_risc,
1276         .pci_info_str           = qla2x00_pci_info_str,
1277         .fw_version_str         = qla2x00_fw_version_str,
1278         .intr_handler           = qla2300_intr_handler,
1279         .enable_intrs           = qla2x00_enable_intrs,
1280         .disable_intrs          = qla2x00_disable_intrs,
1281         .abort_command          = qla2x00_abort_command,
1282         .target_reset           = qla2x00_abort_target,
1283         .lun_reset              = qla2x00_lun_reset,
1284         .fabric_login           = qla2x00_login_fabric,
1285         .fabric_logout          = qla2x00_fabric_logout,
1286         .calc_req_entries       = qla2x00_calc_iocbs_32,
1287         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1288         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1289         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1290         .read_nvram             = qla2x00_read_nvram_data,
1291         .write_nvram            = qla2x00_write_nvram_data,
1292         .fw_dump                = qla2300_fw_dump,
1293         .beacon_on              = qla2x00_beacon_on,
1294         .beacon_off             = qla2x00_beacon_off,
1295         .beacon_blink           = qla2x00_beacon_blink,
1296         .read_optrom            = qla2x00_read_optrom_data,
1297         .write_optrom           = qla2x00_write_optrom_data,
1298         .get_flash_version      = qla2x00_get_flash_version,
1299 };
1300
1301 static struct isp_operations qla24xx_isp_ops = {
1302         .pci_config             = qla24xx_pci_config,
1303         .reset_chip             = qla24xx_reset_chip,
1304         .chip_diag              = qla24xx_chip_diag,
1305         .config_rings           = qla24xx_config_rings,
1306         .reset_adapter          = qla24xx_reset_adapter,
1307         .nvram_config           = qla24xx_nvram_config,
1308         .update_fw_options      = qla24xx_update_fw_options,
1309         .load_risc              = qla24xx_load_risc,
1310         .pci_info_str           = qla24xx_pci_info_str,
1311         .fw_version_str         = qla24xx_fw_version_str,
1312         .intr_handler           = qla24xx_intr_handler,
1313         .enable_intrs           = qla24xx_enable_intrs,
1314         .disable_intrs          = qla24xx_disable_intrs,
1315         .abort_command          = qla24xx_abort_command,
1316         .target_reset           = qla24xx_abort_target,
1317         .lun_reset              = qla24xx_lun_reset,
1318         .fabric_login           = qla24xx_login_fabric,
1319         .fabric_logout          = qla24xx_fabric_logout,
1320         .calc_req_entries       = NULL,
1321         .build_iocbs            = NULL,
1322         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1323         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1324         .read_nvram             = qla24xx_read_nvram_data,
1325         .write_nvram            = qla24xx_write_nvram_data,
1326         .fw_dump                = qla24xx_fw_dump,
1327         .beacon_on              = qla24xx_beacon_on,
1328         .beacon_off             = qla24xx_beacon_off,
1329         .beacon_blink           = qla24xx_beacon_blink,
1330         .read_optrom            = qla24xx_read_optrom_data,
1331         .write_optrom           = qla24xx_write_optrom_data,
1332         .get_flash_version      = qla24xx_get_flash_version,
1333 };
1334
1335 static struct isp_operations qla25xx_isp_ops = {
1336         .pci_config             = qla25xx_pci_config,
1337         .reset_chip             = qla24xx_reset_chip,
1338         .chip_diag              = qla24xx_chip_diag,
1339         .config_rings           = qla24xx_config_rings,
1340         .reset_adapter          = qla24xx_reset_adapter,
1341         .nvram_config           = qla24xx_nvram_config,
1342         .update_fw_options      = qla24xx_update_fw_options,
1343         .load_risc              = qla24xx_load_risc,
1344         .pci_info_str           = qla24xx_pci_info_str,
1345         .fw_version_str         = qla24xx_fw_version_str,
1346         .intr_handler           = qla24xx_intr_handler,
1347         .enable_intrs           = qla24xx_enable_intrs,
1348         .disable_intrs          = qla24xx_disable_intrs,
1349         .abort_command          = qla24xx_abort_command,
1350         .target_reset           = qla24xx_abort_target,
1351         .lun_reset              = qla24xx_lun_reset,
1352         .fabric_login           = qla24xx_login_fabric,
1353         .fabric_logout          = qla24xx_fabric_logout,
1354         .calc_req_entries       = NULL,
1355         .build_iocbs            = NULL,
1356         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1357         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1358         .read_nvram             = qla25xx_read_nvram_data,
1359         .write_nvram            = qla25xx_write_nvram_data,
1360         .fw_dump                = qla25xx_fw_dump,
1361         .beacon_on              = qla24xx_beacon_on,
1362         .beacon_off             = qla24xx_beacon_off,
1363         .beacon_blink           = qla24xx_beacon_blink,
1364         .read_optrom            = qla25xx_read_optrom_data,
1365         .write_optrom           = qla24xx_write_optrom_data,
1366         .get_flash_version      = qla24xx_get_flash_version,
1367 };
1368
1369 static inline void
1370 qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1371 {
1372         ha->device_type = DT_EXTENDED_IDS;
1373         switch (ha->pdev->device) {
1374         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1375                 ha->device_type |= DT_ISP2100;
1376                 ha->device_type &= ~DT_EXTENDED_IDS;
1377                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1378                 break;
1379         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1380                 ha->device_type |= DT_ISP2200;
1381                 ha->device_type &= ~DT_EXTENDED_IDS;
1382                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1383                 break;
1384         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1385                 ha->device_type |= DT_ISP2300;
1386                 ha->device_type |= DT_ZIO_SUPPORTED;
1387                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1388                 break;
1389         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1390                 ha->device_type |= DT_ISP2312;
1391                 ha->device_type |= DT_ZIO_SUPPORTED;
1392                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1393                 break;
1394         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1395                 ha->device_type |= DT_ISP2322;
1396                 ha->device_type |= DT_ZIO_SUPPORTED;
1397                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1398                     ha->pdev->subsystem_device == 0x0170)
1399                         ha->device_type |= DT_OEM_001;
1400                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1401                 break;
1402         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1403                 ha->device_type |= DT_ISP6312;
1404                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1405                 break;
1406         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1407                 ha->device_type |= DT_ISP6322;
1408                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1409                 break;
1410         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1411                 ha->device_type |= DT_ISP2422;
1412                 ha->device_type |= DT_ZIO_SUPPORTED;
1413                 ha->device_type |= DT_FWI2;
1414                 ha->device_type |= DT_IIDMA;
1415                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1416                 break;
1417         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1418                 ha->device_type |= DT_ISP2432;
1419                 ha->device_type |= DT_ZIO_SUPPORTED;
1420                 ha->device_type |= DT_FWI2;
1421                 ha->device_type |= DT_IIDMA;
1422                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1423                 break;
1424         case PCI_DEVICE_ID_QLOGIC_ISP8432:
1425                 ha->device_type |= DT_ISP8432;
1426                 ha->device_type |= DT_ZIO_SUPPORTED;
1427                 ha->device_type |= DT_FWI2;
1428                 ha->device_type |= DT_IIDMA;
1429                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1430                 break;
1431         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1432                 ha->device_type |= DT_ISP5422;
1433                 ha->device_type |= DT_FWI2;
1434                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1435                 break;
1436         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1437                 ha->device_type |= DT_ISP5432;
1438                 ha->device_type |= DT_FWI2;
1439                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1440                 break;
1441         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1442                 ha->device_type |= DT_ISP2532;
1443                 ha->device_type |= DT_ZIO_SUPPORTED;
1444                 ha->device_type |= DT_FWI2;
1445                 ha->device_type |= DT_IIDMA;
1446                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1447                 break;
1448         }
1449 }
1450
1451 static int
1452 qla2x00_iospace_config(scsi_qla_host_t *ha)
1453 {
1454         resource_size_t pio;
1455
1456         if (pci_request_selected_regions(ha->pdev, ha->bars,
1457             QLA2XXX_DRIVER_NAME)) {
1458                 qla_printk(KERN_WARNING, ha,
1459                     "Failed to reserve PIO/MMIO regions (%s)\n",
1460                     pci_name(ha->pdev));
1461
1462                 goto iospace_error_exit;
1463         }
1464         if (!(ha->bars & 1))
1465                 goto skip_pio;
1466
1467         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1468         pio = pci_resource_start(ha->pdev, 0);
1469         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1470                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1471                         qla_printk(KERN_WARNING, ha,
1472                             "Invalid PCI I/O region size (%s)...\n",
1473                                 pci_name(ha->pdev));
1474                         pio = 0;
1475                 }
1476         } else {
1477                 qla_printk(KERN_WARNING, ha,
1478                     "region #0 not a PIO resource (%s)...\n",
1479                     pci_name(ha->pdev));
1480                 pio = 0;
1481         }
1482         ha->pio_address = pio;
1483
1484 skip_pio:
1485         /* Use MMIO operations for all accesses. */
1486         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1487                 qla_printk(KERN_ERR, ha,
1488                     "region #1 not an MMIO resource (%s), aborting\n",
1489                     pci_name(ha->pdev));
1490                 goto iospace_error_exit;
1491         }
1492         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1493                 qla_printk(KERN_ERR, ha,
1494                     "Invalid PCI mem region size (%s), aborting\n",
1495                         pci_name(ha->pdev));
1496                 goto iospace_error_exit;
1497         }
1498
1499         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1500         if (!ha->iobase) {
1501                 qla_printk(KERN_ERR, ha,
1502                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1503
1504                 goto iospace_error_exit;
1505         }
1506
1507         return (0);
1508
1509 iospace_error_exit:
1510         return (-ENOMEM);
1511 }
1512
1513 static void
1514 qla2xxx_scan_start(struct Scsi_Host *shost)
1515 {
1516         scsi_qla_host_t *ha = shost_priv(shost);
1517
1518         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1519         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1520         set_bit(RSCN_UPDATE, &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                 ha->hw_event_start = PCI_FUNC(pdev->devfn) ?
1668                     FA_HW_EVENT1_ADDR: FA_HW_EVENT0_ADDR;
1669         }
1670         host->can_queue = ha->request_q_length + 128;
1671
1672         mutex_init(&ha->vport_lock);
1673         init_completion(&ha->mbx_cmd_comp);
1674         complete(&ha->mbx_cmd_comp);
1675         init_completion(&ha->mbx_intr_comp);
1676
1677         INIT_LIST_HEAD(&ha->list);
1678         INIT_LIST_HEAD(&ha->fcports);
1679         INIT_LIST_HEAD(&ha->vp_list);
1680         INIT_LIST_HEAD(&ha->work_list);
1681
1682         set_bit(0, (unsigned long *) ha->vp_idx_map);
1683
1684         qla2x00_config_dma_addressing(ha);
1685         if (qla2x00_mem_alloc(ha)) {
1686                 qla_printk(KERN_WARNING, ha,
1687                     "[ERROR] Failed to allocate memory for adapter\n");
1688
1689                 ret = -ENOMEM;
1690                 goto probe_failed;
1691         }
1692
1693         if (qla2x00_initialize_adapter(ha)) {
1694                 qla_printk(KERN_WARNING, ha,
1695                     "Failed to initialize adapter\n");
1696
1697                 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1698                     "Adapter flags %x.\n",
1699                     ha->host_no, ha->device_flags));
1700
1701                 ret = -ENODEV;
1702                 goto probe_failed;
1703         }
1704
1705         /*
1706          * Startup the kernel thread for this host adapter
1707          */
1708         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1709                         "%s_dpc", ha->host_str);
1710         if (IS_ERR(ha->dpc_thread)) {
1711                 qla_printk(KERN_WARNING, ha,
1712                     "Unable to start DPC thread!\n");
1713                 ret = PTR_ERR(ha->dpc_thread);
1714                 goto probe_failed;
1715         }
1716
1717         host->this_id = 255;
1718         host->cmd_per_lun = 3;
1719         host->unique_id = host->host_no;
1720         host->max_cmd_len = MAX_CMDSZ;
1721         host->max_channel = MAX_BUSES - 1;
1722         host->max_lun = MAX_LUNS;
1723         host->transportt = qla2xxx_transport_template;
1724
1725         ret = qla2x00_request_irqs(ha);
1726         if (ret)
1727                 goto probe_failed;
1728
1729         /* Initialized the timer */
1730         qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1731
1732         DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1733             ha->host_no, ha));
1734
1735         pci_set_drvdata(pdev, ha);
1736
1737         ha->flags.init_done = 1;
1738         ha->flags.online = 1;
1739
1740         ret = scsi_add_host(host, &pdev->dev);
1741         if (ret)
1742                 goto probe_failed;
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;
1780
1781         ha = pci_get_drvdata(pdev);
1782
1783         qla2x00_dfs_remove(ha);
1784
1785         qla84xx_put_chip(ha);
1786
1787         qla2x00_free_sysfs_attr(ha);
1788
1789         fc_remove_host(ha->host);
1790
1791         scsi_remove_host(ha->host);
1792
1793         qla2x00_free_device(ha);
1794
1795         scsi_host_put(ha->host);
1796
1797         pci_disable_device(pdev);
1798         pci_set_drvdata(pdev, NULL);
1799 }
1800
1801 static void
1802 qla2x00_free_device(scsi_qla_host_t *ha)
1803 {
1804         qla2x00_abort_all_cmds(ha, DID_NO_CONNECT << 16);
1805
1806         /* Disable timer */
1807         if (ha->timer_active)
1808                 qla2x00_stop_timer(ha);
1809
1810         ha->flags.online = 0;
1811
1812         /* Kill the kernel thread for this host */
1813         if (ha->dpc_thread) {
1814                 struct task_struct *t = ha->dpc_thread;
1815
1816                 /*
1817                  * qla2xxx_wake_dpc checks for ->dpc_thread
1818                  * so we need to zero it out.
1819                  */
1820                 ha->dpc_thread = NULL;
1821                 kthread_stop(t);
1822         }
1823
1824         if (ha->flags.fce_enabled)
1825                 qla2x00_disable_fce_trace(ha, NULL, NULL);
1826
1827         if (ha->eft)
1828                 qla2x00_disable_eft_trace(ha);
1829
1830         /* Stop currently executing firmware. */
1831         qla2x00_try_to_stop_firmware(ha);
1832
1833         /* turn-off interrupts on the card */
1834         if (ha->interrupts_on)
1835                 ha->isp_ops->disable_intrs(ha);
1836
1837         qla2x00_mem_free(ha);
1838
1839         qla2x00_free_irqs(ha);
1840
1841         /* release io space registers  */
1842         if (ha->iobase)
1843                 iounmap(ha->iobase);
1844         pci_release_selected_regions(ha->pdev, ha->bars);
1845 }
1846
1847 static inline void
1848 qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1849     int defer)
1850 {
1851         struct fc_rport *rport;
1852         scsi_qla_host_t *pha = to_qla_parent(ha);
1853
1854         if (!fcport->rport)
1855                 return;
1856
1857         rport = fcport->rport;
1858         if (defer) {
1859                 spin_lock_irq(ha->host->host_lock);
1860                 fcport->drport = rport;
1861                 spin_unlock_irq(ha->host->host_lock);
1862                 set_bit(FCPORT_UPDATE_NEEDED, &pha->dpc_flags);
1863                 qla2xxx_wake_dpc(pha);
1864         } else
1865                 fc_remote_port_delete(rport);
1866 }
1867
1868 /*
1869  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1870  *
1871  * Input: ha = adapter block pointer.  fcport = port structure pointer.
1872  *
1873  * Return: None.
1874  *
1875  * Context:
1876  */
1877 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1878     int do_login, int defer)
1879 {
1880         if (atomic_read(&fcport->state) == FCS_ONLINE &&
1881             ha->vp_idx == fcport->vp_idx)
1882                 qla2x00_schedule_rport_del(ha, fcport, defer);
1883
1884         /*
1885          * We may need to retry the login, so don't change the state of the
1886          * port but do the retries.
1887          */
1888         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1889                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1890
1891         if (!do_login)
1892                 return;
1893
1894         if (fcport->login_retry == 0) {
1895                 fcport->login_retry = ha->login_retry_count;
1896                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1897
1898                 DEBUG(printk("scsi(%ld): Port login retry: "
1899                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
1900                     "id = 0x%04x retry cnt=%d\n",
1901                     ha->host_no,
1902                     fcport->port_name[0],
1903                     fcport->port_name[1],
1904                     fcport->port_name[2],
1905                     fcport->port_name[3],
1906                     fcport->port_name[4],
1907                     fcport->port_name[5],
1908                     fcport->port_name[6],
1909                     fcport->port_name[7],
1910                     fcport->loop_id,
1911                     fcport->login_retry));
1912         }
1913 }
1914
1915 /*
1916  * qla2x00_mark_all_devices_lost
1917  *      Updates fcport state when device goes offline.
1918  *
1919  * Input:
1920  *      ha = adapter block pointer.
1921  *      fcport = port structure pointer.
1922  *
1923  * Return:
1924  *      None.
1925  *
1926  * Context:
1927  */
1928 void
1929 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1930 {
1931         fc_port_t *fcport;
1932         scsi_qla_host_t *pha = to_qla_parent(ha);
1933
1934         list_for_each_entry(fcport, &pha->fcports, list) {
1935                 if (ha->vp_idx != fcport->vp_idx)
1936                         continue;
1937                 /*
1938                  * No point in marking the device as lost, if the device is
1939                  * already DEAD.
1940                  */
1941                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1942                         continue;
1943                 if (atomic_read(&fcport->state) == FCS_ONLINE)
1944                         qla2x00_schedule_rport_del(ha, fcport, defer);
1945                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1946         }
1947 }
1948
1949 /*
1950 * qla2x00_mem_alloc
1951 *      Allocates adapter memory.
1952 *
1953 * Returns:
1954 *      0  = success.
1955 *      !0  = failure.
1956 */
1957 static int
1958 qla2x00_mem_alloc(scsi_qla_host_t *ha)
1959 {
1960         char    name[16];
1961
1962         ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1963             (ha->request_q_length + 1) * sizeof(request_t), &ha->request_dma,
1964             GFP_KERNEL);
1965         if (!ha->request_ring)
1966                 goto fail;
1967
1968         ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1969             (ha->response_q_length + 1) * sizeof(response_t),
1970             &ha->response_dma, GFP_KERNEL);
1971         if (!ha->response_ring)
1972                 goto fail_free_request_ring;
1973
1974         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1975             &ha->gid_list_dma, GFP_KERNEL);
1976         if (!ha->gid_list)
1977                 goto fail_free_response_ring;
1978
1979         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
1980             &ha->init_cb_dma, GFP_KERNEL);
1981         if (!ha->init_cb)
1982                 goto fail_free_gid_list;
1983
1984         snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
1985             ha->host_no);
1986         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1987             DMA_POOL_SIZE, 8, 0);
1988         if (!ha->s_dma_pool)
1989                 goto fail_free_init_cb;
1990
1991         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
1992         if (!ha->srb_mempool)
1993                 goto fail_free_s_dma_pool;
1994
1995         /* Get memory for cached NVRAM */
1996         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
1997         if (!ha->nvram)
1998                 goto fail_free_srb_mempool;
1999
2000         /* Allocate memory for SNS commands */
2001         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2002                 /* Get consistent memory allocated for SNS commands */
2003                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2004                     sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2005                 if (!ha->sns_cmd)
2006                         goto fail_free_nvram;
2007         } else {
2008                 /* Get consistent memory allocated for MS IOCB */
2009                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2010                     &ha->ms_iocb_dma);
2011                 if (!ha->ms_iocb)
2012                         goto fail_free_nvram;
2013
2014                 /* Get consistent memory allocated for CT SNS commands */
2015                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2016                     sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2017                 if (!ha->ct_sns)
2018                         goto fail_free_ms_iocb;
2019         }
2020
2021         return 0;
2022
2023 fail_free_ms_iocb:
2024         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2025         ha->ms_iocb = NULL;
2026         ha->ms_iocb_dma = 0;
2027 fail_free_nvram:
2028         kfree(ha->nvram);
2029         ha->nvram = NULL;
2030 fail_free_srb_mempool:
2031         mempool_destroy(ha->srb_mempool);
2032         ha->srb_mempool = NULL;
2033 fail_free_s_dma_pool:
2034         dma_pool_destroy(ha->s_dma_pool);
2035         ha->s_dma_pool = NULL;
2036 fail_free_init_cb:
2037         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2038             ha->init_cb_dma);
2039         ha->init_cb = NULL;
2040         ha->init_cb_dma = 0;
2041 fail_free_gid_list:
2042         dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2043             ha->gid_list_dma);
2044         ha->gid_list = NULL;
2045         ha->gid_list_dma = 0;
2046 fail_free_response_ring:
2047         dma_free_coherent(&ha->pdev->dev, (ha->response_q_length + 1) *
2048             sizeof(response_t), ha->response_ring, ha->response_dma);
2049         ha->response_ring = NULL;
2050         ha->response_dma = 0;
2051 fail_free_request_ring:
2052         dma_free_coherent(&ha->pdev->dev, (ha->request_q_length + 1) *
2053             sizeof(request_t), ha->request_ring, ha->request_dma);
2054         ha->request_ring = NULL;
2055         ha->request_dma = 0;
2056 fail:
2057         return -ENOMEM;
2058 }
2059
2060 /*
2061 * qla2x00_mem_free
2062 *      Frees all adapter allocated memory.
2063 *
2064 * Input:
2065 *      ha = adapter block pointer.
2066 */
2067 static void
2068 qla2x00_mem_free(scsi_qla_host_t *ha)
2069 {
2070         struct list_head        *fcpl, *fcptemp;
2071         fc_port_t       *fcport;
2072
2073         if (ha->srb_mempool)
2074                 mempool_destroy(ha->srb_mempool);
2075
2076         if (ha->fce)
2077                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2078                     ha->fce_dma);
2079
2080         if (ha->fw_dump) {
2081                 if (ha->eft)
2082                         dma_free_coherent(&ha->pdev->dev,
2083                             ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2084                 vfree(ha->fw_dump);
2085         }
2086
2087         if (ha->sns_cmd)
2088                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2089                     ha->sns_cmd, ha->sns_cmd_dma);
2090
2091         if (ha->ct_sns)
2092                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2093                     ha->ct_sns, ha->ct_sns_dma);
2094
2095         if (ha->sfp_data)
2096                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2097
2098         if (ha->ms_iocb)
2099                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2100
2101         if (ha->s_dma_pool)
2102                 dma_pool_destroy(ha->s_dma_pool);
2103
2104         if (ha->init_cb)
2105                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2106                     ha->init_cb, ha->init_cb_dma);
2107
2108         if (ha->gid_list)
2109                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2110                     ha->gid_list_dma);
2111
2112         if (ha->response_ring)
2113                 dma_free_coherent(&ha->pdev->dev,
2114                     (ha->response_q_length + 1) * sizeof(response_t),
2115                     ha->response_ring, ha->response_dma);
2116
2117         if (ha->request_ring)
2118                 dma_free_coherent(&ha->pdev->dev,
2119                     (ha->request_q_length + 1) * sizeof(request_t),
2120                     ha->request_ring, ha->request_dma);
2121
2122         ha->srb_mempool = NULL;
2123         ha->eft = NULL;
2124         ha->eft_dma = 0;
2125         ha->sns_cmd = NULL;
2126         ha->sns_cmd_dma = 0;
2127         ha->ct_sns = NULL;
2128         ha->ct_sns_dma = 0;
2129         ha->ms_iocb = NULL;
2130         ha->ms_iocb_dma = 0;
2131         ha->init_cb = NULL;
2132         ha->init_cb_dma = 0;
2133
2134         ha->s_dma_pool = NULL;
2135
2136         ha->gid_list = NULL;
2137         ha->gid_list_dma = 0;
2138
2139         ha->response_ring = NULL;
2140         ha->response_dma = 0;
2141         ha->request_ring = NULL;
2142         ha->request_dma = 0;
2143
2144         list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2145                 fcport = list_entry(fcpl, fc_port_t, list);
2146
2147                 /* fc ports */
2148                 list_del_init(&fcport->list);
2149                 kfree(fcport);
2150         }
2151         INIT_LIST_HEAD(&ha->fcports);
2152
2153         ha->fw_dump = NULL;
2154         ha->fw_dumped = 0;
2155         ha->fw_dump_reading = 0;
2156
2157         vfree(ha->optrom_buffer);
2158         kfree(ha->nvram);
2159 }
2160
2161 static struct qla_work_evt *
2162 qla2x00_alloc_work(struct scsi_qla_host *ha, enum qla_work_type type,
2163     int locked)
2164 {
2165         struct qla_work_evt *e;
2166
2167         e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2168             GFP_KERNEL);
2169         if (!e)
2170                 return NULL;
2171
2172         INIT_LIST_HEAD(&e->list);
2173         e->type = type;
2174         e->flags = QLA_EVT_FLAG_FREE;
2175         return e;
2176 }
2177
2178 static int
2179 qla2x00_post_work(struct scsi_qla_host *ha, struct qla_work_evt *e, int locked)
2180 {
2181         unsigned long flags;
2182         scsi_qla_host_t *pha = to_qla_parent(ha);
2183
2184         if (!locked)
2185                 spin_lock_irqsave(&pha->hardware_lock, flags);
2186         list_add_tail(&e->list, &ha->work_list);
2187         qla2xxx_wake_dpc(ha);
2188         if (!locked)
2189                 spin_unlock_irqrestore(&pha->hardware_lock, flags);
2190         return QLA_SUCCESS;
2191 }
2192
2193 int
2194 qla2x00_post_aen_work(struct scsi_qla_host *ha, enum fc_host_event_code code,
2195     u32 data)
2196 {
2197         struct qla_work_evt *e;
2198
2199         e = qla2x00_alloc_work(ha, QLA_EVT_AEN, 1);
2200         if (!e)
2201                 return QLA_FUNCTION_FAILED;
2202
2203         e->u.aen.code = code;
2204         e->u.aen.data = data;
2205         return qla2x00_post_work(ha, e, 1);
2206 }
2207
2208 int
2209 qla2x00_post_hwe_work(struct scsi_qla_host *ha, uint16_t code, uint16_t d1,
2210     uint16_t d2, uint16_t d3)
2211 {
2212         struct qla_work_evt *e;
2213
2214         e = qla2x00_alloc_work(ha, QLA_EVT_HWE_LOG, 1);
2215         if (!e)
2216                 return QLA_FUNCTION_FAILED;
2217
2218         e->u.hwe.code = code;
2219         e->u.hwe.d1 = d1;
2220         e->u.hwe.d2 = d2;
2221         e->u.hwe.d3 = d3;
2222         return qla2x00_post_work(ha, e, 1);
2223 }
2224
2225 static void
2226 qla2x00_do_work(struct scsi_qla_host *ha)
2227 {
2228         struct qla_work_evt *e;
2229         scsi_qla_host_t *pha = to_qla_parent(ha);
2230
2231         spin_lock_irq(&pha->hardware_lock);
2232         while (!list_empty(&ha->work_list)) {
2233                 e = list_entry(ha->work_list.next, struct qla_work_evt, list);
2234                 list_del_init(&e->list);
2235                 spin_unlock_irq(&pha->hardware_lock);
2236
2237                 switch (e->type) {
2238                 case QLA_EVT_AEN:
2239                         fc_host_post_event(ha->host, fc_get_event_number(),
2240                             e->u.aen.code, e->u.aen.data);
2241                         break;
2242                 case QLA_EVT_HWE_LOG:
2243                         qla2xxx_hw_event_log(ha, e->u.hwe.code, e->u.hwe.d1,
2244                             e->u.hwe.d2, e->u.hwe.d3);
2245                         break;
2246                 }
2247                 if (e->flags & QLA_EVT_FLAG_FREE)
2248                         kfree(e);
2249                 spin_lock_irq(&pha->hardware_lock);
2250         }
2251         spin_unlock_irq(&pha->hardware_lock);
2252 }
2253
2254 /**************************************************************************
2255 * qla2x00_do_dpc
2256 *   This kernel thread is a task that is schedule by the interrupt handler
2257 *   to perform the background processing for interrupts.
2258 *
2259 * Notes:
2260 * This task always run in the context of a kernel thread.  It
2261 * is kick-off by the driver's detect code and starts up
2262 * up one per adapter. It immediately goes to sleep and waits for
2263 * some fibre event.  When either the interrupt handler or
2264 * the timer routine detects a event it will one of the task
2265 * bits then wake us up.
2266 **************************************************************************/
2267 static int
2268 qla2x00_do_dpc(void *data)
2269 {
2270         int             rval;
2271         scsi_qla_host_t *ha;
2272         fc_port_t       *fcport;
2273         uint8_t         status;
2274         uint16_t        next_loopid;
2275         struct scsi_qla_host *vha;
2276         int             i;
2277
2278
2279         ha = (scsi_qla_host_t *)data;
2280
2281         set_user_nice(current, -20);
2282
2283         while (!kthread_should_stop()) {
2284                 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2285
2286                 set_current_state(TASK_INTERRUPTIBLE);
2287                 schedule();
2288                 __set_current_state(TASK_RUNNING);
2289
2290                 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2291
2292                 /* Initialization not yet finished. Don't do anything yet. */
2293                 if (!ha->flags.init_done)
2294                         continue;
2295
2296                 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2297
2298                 ha->dpc_active = 1;
2299
2300                 if (ha->flags.mbox_busy) {
2301                         ha->dpc_active = 0;
2302                         continue;
2303                 }
2304
2305                 qla2x00_do_work(ha);
2306
2307                 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2308
2309                         DEBUG(printk("scsi(%ld): dpc: sched "
2310                             "qla2x00_abort_isp ha = %p\n",
2311                             ha->host_no, ha));
2312                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2313                             &ha->dpc_flags))) {
2314
2315                                 if (qla2x00_abort_isp(ha)) {
2316                                         /* failed. retry later */
2317                                         set_bit(ISP_ABORT_NEEDED,
2318                                             &ha->dpc_flags);
2319                                 }
2320                                 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2321                         }
2322
2323                         for_each_mapped_vp_idx(ha, i) {
2324                                 list_for_each_entry(vha, &ha->vp_list,
2325                                     vp_list) {
2326                                         if (i == vha->vp_idx) {
2327                                                 set_bit(ISP_ABORT_NEEDED,
2328                                                     &vha->dpc_flags);
2329                                                 break;
2330                                         }
2331                                 }
2332                         }
2333
2334                         DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2335                             ha->host_no));
2336                 }
2337
2338                 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2339                         qla2x00_update_fcports(ha);
2340
2341                 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2342                     (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2343
2344                         DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2345                             ha->host_no));
2346
2347                         qla2x00_rst_aen(ha);
2348                         clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2349                 }
2350
2351                 /* Retry each device up to login retry count */
2352                 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2353                     !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2354                     atomic_read(&ha->loop_state) != LOOP_DOWN) {
2355
2356                         DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2357                             ha->host_no));
2358
2359                         next_loopid = 0;
2360                         list_for_each_entry(fcport, &ha->fcports, list) {
2361                                 /*
2362                                  * If the port is not ONLINE then try to login
2363                                  * to it if we haven't run out of retries.
2364                                  */
2365                                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2366                                     fcport->login_retry) {
2367
2368                                         if (fcport->flags & FCF_FABRIC_DEVICE) {
2369                                                 if (fcport->flags &
2370                                                     FCF_TAPE_PRESENT)
2371                                                         ha->isp_ops->fabric_logout(
2372                                                             ha, fcport->loop_id,
2373                                                             fcport->d_id.b.domain,
2374                                                             fcport->d_id.b.area,
2375                                                             fcport->d_id.b.al_pa);
2376                                                 status = qla2x00_fabric_login(
2377                                                     ha, fcport, &next_loopid);
2378                                         } else
2379                                                 status =
2380                                                     qla2x00_local_device_login(
2381                                                         ha, fcport);
2382
2383                                         fcport->login_retry--;
2384                                         if (status == QLA_SUCCESS) {
2385                                                 fcport->old_loop_id = fcport->loop_id;
2386
2387                                                 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2388                                                     ha->host_no, fcport->loop_id));
2389
2390                                                 qla2x00_update_fcport(ha,
2391                                                     fcport);
2392                                         } else if (status == 1) {
2393                                                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2394                                                 /* retry the login again */
2395                                                 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2396                                                     ha->host_no,
2397                                                     fcport->login_retry, fcport->loop_id));
2398                                         } else {
2399                                                 fcport->login_retry = 0;
2400                                         }
2401                                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2402                                                 fcport->loop_id = FC_NO_LOOP_ID;
2403                                 }
2404                                 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2405                                         break;
2406                         }
2407                         DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2408                             ha->host_no));
2409                 }
2410
2411                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2412
2413                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2414                             ha->host_no));
2415
2416                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2417                             &ha->dpc_flags))) {
2418
2419                                 rval = qla2x00_loop_resync(ha);
2420
2421                                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2422                         }
2423
2424                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2425                             ha->host_no));
2426                 }
2427
2428                 if (!ha->interrupts_on)
2429                         ha->isp_ops->enable_intrs(ha);
2430
2431                 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2432                         ha->isp_ops->beacon_blink(ha);
2433
2434                 qla2x00_do_dpc_all_vps(ha);
2435
2436                 ha->dpc_active = 0;
2437         } /* End of while(1) */
2438
2439         DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2440
2441         /*
2442          * Make sure that nobody tries to wake us up again.
2443          */
2444         ha->dpc_active = 0;
2445
2446         return 0;
2447 }
2448
2449 void
2450 qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2451 {
2452         if (ha->dpc_thread)
2453                 wake_up_process(ha->dpc_thread);
2454 }
2455
2456 /*
2457 *  qla2x00_rst_aen
2458 *      Processes asynchronous reset.
2459 *
2460 * Input:
2461 *      ha  = adapter block pointer.
2462 */
2463 static void
2464 qla2x00_rst_aen(scsi_qla_host_t *ha)
2465 {
2466         if (ha->flags.online && !ha->flags.reset_active &&
2467             !atomic_read(&ha->loop_down_timer) &&
2468             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2469                 do {
2470                         clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2471
2472                         /*
2473                          * Issue marker command only when we are going to start
2474                          * the I/O.
2475                          */
2476                         ha->marker_needed = 1;
2477                 } while (!atomic_read(&ha->loop_down_timer) &&
2478                     (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2479         }
2480 }
2481
2482 static void
2483 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2484 {
2485         struct scsi_cmnd *cmd = sp->cmd;
2486
2487         if (sp->flags & SRB_DMA_VALID) {
2488                 scsi_dma_unmap(cmd);
2489                 sp->flags &= ~SRB_DMA_VALID;
2490         }
2491         CMD_SP(cmd) = NULL;
2492 }
2493
2494 void
2495 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2496 {
2497         struct scsi_cmnd *cmd = sp->cmd;
2498
2499         qla2x00_sp_free_dma(ha, sp);
2500
2501         mempool_free(sp, ha->srb_mempool);
2502
2503         cmd->scsi_done(cmd);
2504 }
2505
2506 /**************************************************************************
2507 *   qla2x00_timer
2508 *
2509 * Description:
2510 *   One second timer
2511 *
2512 * Context: Interrupt
2513 ***************************************************************************/
2514 void
2515 qla2x00_timer(scsi_qla_host_t *ha)
2516 {
2517         unsigned long   cpu_flags = 0;
2518         fc_port_t       *fcport;
2519         int             start_dpc = 0;
2520         int             index;
2521         srb_t           *sp;
2522         int             t;
2523         scsi_qla_host_t *pha = to_qla_parent(ha);
2524
2525         /*
2526          * Ports - Port down timer.
2527          *
2528          * Whenever, a port is in the LOST state we start decrementing its port
2529          * down timer every second until it reaches zero. Once  it reaches zero
2530          * the port it marked DEAD.
2531          */
2532         t = 0;
2533         list_for_each_entry(fcport, &ha->fcports, list) {
2534                 if (fcport->port_type != FCT_TARGET)
2535                         continue;
2536
2537                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2538
2539                         if (atomic_read(&fcport->port_down_timer) == 0)
2540                                 continue;
2541
2542                         if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2543                                 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2544
2545                         DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2546                             "%d remaining\n",
2547                             ha->host_no,
2548                             t, atomic_read(&fcport->port_down_timer)));
2549                 }
2550                 t++;
2551         } /* End of for fcport  */
2552
2553
2554         /* Loop down handler. */
2555         if (atomic_read(&ha->loop_down_timer) > 0 &&
2556             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2557
2558                 if (atomic_read(&ha->loop_down_timer) ==
2559                     ha->loop_down_abort_time) {
2560
2561                         DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2562                             "queues before time expire\n",
2563                             ha->host_no));
2564
2565                         if (!IS_QLA2100(ha) && ha->link_down_timeout)
2566                                 atomic_set(&ha->loop_state, LOOP_DEAD);
2567
2568                         /* Schedule an ISP abort to return any tape commands. */
2569                         /* NPIV - scan physical port only */
2570                         if (!ha->parent) {
2571                                 spin_lock_irqsave(&ha->hardware_lock,
2572                                     cpu_flags);
2573                                 for (index = 1;
2574                                     index < MAX_OUTSTANDING_COMMANDS;
2575                                     index++) {
2576                                         fc_port_t *sfcp;
2577
2578                                         sp = ha->outstanding_cmds[index];
2579                                         if (!sp)
2580                                                 continue;
2581                                         sfcp = sp->fcport;
2582                                         if (!(sfcp->flags & FCF_TAPE_PRESENT))
2583                                                 continue;
2584
2585                                         set_bit(ISP_ABORT_NEEDED,
2586                                             &ha->dpc_flags);
2587                                         break;
2588                                 }
2589                                 spin_unlock_irqrestore(&ha->hardware_lock,
2590                                     cpu_flags);
2591                         }
2592                         set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2593                         start_dpc++;
2594                 }
2595
2596                 /* if the loop has been down for 4 minutes, reinit adapter */
2597                 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2598                         DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2599                             "restarting queues.\n",
2600                             ha->host_no));
2601
2602                         set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2603                         start_dpc++;
2604
2605                         if (!(ha->device_flags & DFLG_NO_CABLE) &&
2606                             !ha->parent) {
2607                                 DEBUG(printk("scsi(%ld): Loop down - "
2608                                     "aborting ISP.\n",
2609                                     ha->host_no));
2610                                 qla_printk(KERN_WARNING, ha,
2611                                     "Loop down - aborting ISP.\n");
2612
2613                                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2614                         }
2615                 }
2616                 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2617                     ha->host_no,
2618                     atomic_read(&ha->loop_down_timer)));
2619         }
2620
2621         /* Check if beacon LED needs to be blinked */
2622         if (ha->beacon_blink_led == 1) {
2623                 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2624                 start_dpc++;
2625         }
2626
2627         /* Process any deferred work. */
2628         if (!list_empty(&ha->work_list))
2629                 start_dpc++;
2630
2631         /* Schedule the DPC routine if needed */
2632         if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2633             test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2634             test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
2635             start_dpc ||
2636             test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2637             test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2638             test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
2639             test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2640                 qla2xxx_wake_dpc(pha);
2641
2642         qla2x00_restart_timer(ha, WATCH_INTERVAL);
2643 }
2644
2645 /* Firmware interface routines. */
2646
2647 #define FW_BLOBS        6
2648 #define FW_ISP21XX      0
2649 #define FW_ISP22XX      1
2650 #define FW_ISP2300      2
2651 #define FW_ISP2322      3
2652 #define FW_ISP24XX      4
2653 #define FW_ISP25XX      5
2654
2655 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2656 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2657 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2658 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2659 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2660 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2661
2662 static DEFINE_MUTEX(qla_fw_lock);
2663
2664 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2665         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2666         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2667         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2668         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2669         { .name = FW_FILE_ISP24XX, },
2670         { .name = FW_FILE_ISP25XX, },
2671 };
2672
2673 struct fw_blob *
2674 qla2x00_request_firmware(scsi_qla_host_t *ha)
2675 {
2676         struct fw_blob *blob;
2677
2678         blob = NULL;
2679         if (IS_QLA2100(ha)) {
2680                 blob = &qla_fw_blobs[FW_ISP21XX];
2681         } else if (IS_QLA2200(ha)) {
2682                 blob = &qla_fw_blobs[FW_ISP22XX];
2683         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2684                 blob = &qla_fw_blobs[FW_ISP2300];
2685         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2686                 blob = &qla_fw_blobs[FW_ISP2322];
2687         } else if (IS_QLA24XX_TYPE(ha)) {
2688                 blob = &qla_fw_blobs[FW_ISP24XX];
2689         } else if (IS_QLA25XX(ha)) {
2690                 blob = &qla_fw_blobs[FW_ISP25XX];
2691         }
2692
2693         mutex_lock(&qla_fw_lock);
2694         if (blob->fw)
2695                 goto out;
2696
2697         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2698                 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2699                     "(%s).\n", ha->host_no, blob->name));
2700                 blob->fw = NULL;
2701                 blob = NULL;
2702                 goto out;
2703         }
2704
2705 out:
2706         mutex_unlock(&qla_fw_lock);
2707         return blob;
2708 }
2709
2710 static void
2711 qla2x00_release_firmware(void)
2712 {
2713         int idx;
2714
2715         mutex_lock(&qla_fw_lock);
2716         for (idx = 0; idx < FW_BLOBS; idx++)
2717                 if (qla_fw_blobs[idx].fw)
2718                         release_firmware(qla_fw_blobs[idx].fw);
2719         mutex_unlock(&qla_fw_lock);
2720 }
2721
2722 static pci_ers_result_t
2723 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2724 {
2725         switch (state) {
2726         case pci_channel_io_normal:
2727                 return PCI_ERS_RESULT_CAN_RECOVER;
2728         case pci_channel_io_frozen:
2729                 pci_disable_device(pdev);
2730                 return PCI_ERS_RESULT_NEED_RESET;
2731         case pci_channel_io_perm_failure:
2732                 qla2x00_remove_one(pdev);
2733                 return PCI_ERS_RESULT_DISCONNECT;
2734         }
2735         return PCI_ERS_RESULT_NEED_RESET;
2736 }
2737
2738 static pci_ers_result_t
2739 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2740 {
2741         int risc_paused = 0;
2742         uint32_t stat;
2743         unsigned long flags;
2744         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2745         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2746         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2747
2748         spin_lock_irqsave(&ha->hardware_lock, flags);
2749         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2750                 stat = RD_REG_DWORD(&reg->hccr);
2751                 if (stat & HCCR_RISC_PAUSE)
2752                         risc_paused = 1;
2753         } else if (IS_QLA23XX(ha)) {
2754                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2755                 if (stat & HSR_RISC_PAUSED)
2756                         risc_paused = 1;
2757         } else if (IS_FWI2_CAPABLE(ha)) {
2758                 stat = RD_REG_DWORD(&reg24->host_status);
2759                 if (stat & HSRX_RISC_PAUSED)
2760                         risc_paused = 1;
2761         }
2762         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2763
2764         if (risc_paused) {
2765                 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2766                     "Dumping firmware!\n");
2767                 ha->isp_ops->fw_dump(ha, 0);
2768
2769                 return PCI_ERS_RESULT_NEED_RESET;
2770         } else
2771                 return PCI_ERS_RESULT_RECOVERED;
2772 }
2773
2774 static pci_ers_result_t
2775 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2776 {
2777         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2778         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2779         int rc;
2780
2781         if (ha->mem_only)
2782                 rc = pci_enable_device_mem(pdev);
2783         else
2784                 rc = pci_enable_device(pdev);
2785
2786         if (rc) {
2787                 qla_printk(KERN_WARNING, ha,
2788                     "Can't re-enable PCI device after reset.\n");
2789
2790                 return ret;
2791         }
2792         pci_set_master(pdev);
2793
2794         if (ha->isp_ops->pci_config(ha))
2795                 return ret;
2796
2797         set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2798         if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2799                 ret =  PCI_ERS_RESULT_RECOVERED;
2800         clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2801
2802         return ret;
2803 }
2804
2805 static void
2806 qla2xxx_pci_resume(struct pci_dev *pdev)
2807 {
2808         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2809         int ret;
2810
2811         ret = qla2x00_wait_for_hba_online(ha);
2812         if (ret != QLA_SUCCESS) {
2813                 qla_printk(KERN_ERR, ha,
2814                     "the device failed to resume I/O "
2815                     "from slot/link_reset");
2816         }
2817         pci_cleanup_aer_uncorrect_error_status(pdev);
2818 }
2819
2820 static struct pci_error_handlers qla2xxx_err_handler = {
2821         .error_detected = qla2xxx_pci_error_detected,
2822         .mmio_enabled = qla2xxx_pci_mmio_enabled,
2823         .slot_reset = qla2xxx_pci_slot_reset,
2824         .resume = qla2xxx_pci_resume,
2825 };
2826
2827 static struct pci_device_id qla2xxx_pci_tbl[] = {
2828         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2829         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2830         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2831         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2832         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2833         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2834         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2835         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2836         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2837         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
2838         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2839         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
2840         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
2841         { 0 },
2842 };
2843 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2844
2845 static struct pci_driver qla2xxx_pci_driver = {
2846         .name           = QLA2XXX_DRIVER_NAME,
2847         .driver         = {
2848                 .owner          = THIS_MODULE,
2849         },
2850         .id_table       = qla2xxx_pci_tbl,
2851         .probe          = qla2x00_probe_one,
2852         .remove         = qla2x00_remove_one,
2853         .err_handler    = &qla2xxx_err_handler,
2854 };
2855
2856 /**
2857  * qla2x00_module_init - Module initialization.
2858  **/
2859 static int __init
2860 qla2x00_module_init(void)
2861 {
2862         int ret = 0;
2863
2864         /* Allocate cache for SRBs. */
2865         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2866             SLAB_HWCACHE_ALIGN, NULL);
2867         if (srb_cachep == NULL) {
2868                 printk(KERN_ERR
2869                     "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2870                 return -ENOMEM;
2871         }
2872
2873         /* Derive version string. */
2874         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2875         if (ql2xextended_error_logging)
2876                 strcat(qla2x00_version_str, "-debug");
2877
2878         qla2xxx_transport_template =
2879             fc_attach_transport(&qla2xxx_transport_functions);
2880         if (!qla2xxx_transport_template) {
2881                 kmem_cache_destroy(srb_cachep);
2882                 return -ENODEV;
2883         }
2884         qla2xxx_transport_vport_template =
2885             fc_attach_transport(&qla2xxx_transport_vport_functions);
2886         if (!qla2xxx_transport_vport_template) {
2887                 kmem_cache_destroy(srb_cachep);
2888                 fc_release_transport(qla2xxx_transport_template);
2889                 return -ENODEV;
2890         }
2891
2892         printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
2893             qla2x00_version_str);
2894         ret = pci_register_driver(&qla2xxx_pci_driver);
2895         if (ret) {
2896                 kmem_cache_destroy(srb_cachep);
2897                 fc_release_transport(qla2xxx_transport_template);
2898                 fc_release_transport(qla2xxx_transport_vport_template);
2899         }
2900         return ret;
2901 }
2902
2903 /**
2904  * qla2x00_module_exit - Module cleanup.
2905  **/
2906 static void __exit
2907 qla2x00_module_exit(void)
2908 {
2909         pci_unregister_driver(&qla2xxx_pci_driver);
2910         qla2x00_release_firmware();
2911         kmem_cache_destroy(srb_cachep);
2912         fc_release_transport(qla2xxx_transport_template);
2913         fc_release_transport(qla2xxx_transport_vport_template);
2914 }
2915
2916 module_init(qla2x00_module_init);
2917 module_exit(qla2x00_module_exit);
2918
2919 MODULE_AUTHOR("QLogic Corporation");
2920 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2921 MODULE_LICENSE("GPL");
2922 MODULE_VERSION(QLA2XXX_VERSION);
2923 MODULE_FIRMWARE(FW_FILE_ISP21XX);
2924 MODULE_FIRMWARE(FW_FILE_ISP22XX);
2925 MODULE_FIRMWARE(FW_FILE_ISP2300);
2926 MODULE_FIRMWARE(FW_FILE_ISP2322);
2927 MODULE_FIRMWARE(FW_FILE_ISP24XX);
2928 MODULE_FIRMWARE(FW_FILE_ISP25XX);