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   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
  14 #include <scsi/scsi_tcq.h>
  15 #include <scsi/scsicam.h>
  16 #include <scsi/scsi_transport.h>
  17 #include <scsi/scsi_transport_fc.h>
  18
  19 /*
  20  * Driver version
  21  */
  22 char qla2x00_version_str[40];
  23
  24 /*
  25  * SRB allocation cache
  26  */
  27 static struct kmem_cache *srb_cachep;
  28
  29 /*
  30  * Ioctl related information.
  31  */
  32 int num_hosts;
  33 int ql2xlogintimeout = 20;
  34 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
  35 MODULE_PARM_DESC(ql2xlogintimeout,
  36                 "Login timeout value in seconds.");
  37
  38 int qlport_down_retry;
  39 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
  40 MODULE_PARM_DESC(qlport_down_retry,
  41                 "Maximum number of command retries to a port that returns "
  42                 "a PORT-DOWN status.");
  43
  44 int ql2xplogiabsentdevice;
  45 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
  46 MODULE_PARM_DESC(ql2xplogiabsentdevice,
  47                 "Option to enable PLOGI to devices that are not present after "
  48                 "a Fabric scan.  This is needed for several broken switches. "
  49                 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
  50
  51 int ql2xloginretrycount = 0;
  52 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
  53 MODULE_PARM_DESC(ql2xloginretrycount,
  54                 "Specify an alternate value for the NVRAM login retry count.");
  55
  56 int ql2xallocfwdump = 1;
  57 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
  58 MODULE_PARM_DESC(ql2xallocfwdump,
  59                 "Option to enable allocation of memory for a firmware dump "
  60                 "during HBA initialization.  Memory allocation requirements "
  61                 "vary by ISP type.  Default is 1 - allocate memory.");
  62
  63 int ql2xextended_error_logging;
  64 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  65 MODULE_PARM_DESC(ql2xextended_error_logging,
  66                 "Option to enable extended error logging, "
  67                 "Default is 0 - no logging. 1 - log errors.");
  68
  69 static void qla2x00_free_device(scsi_qla_host_t *);
  70
  71 static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
  72
  73 int ql2xfdmienable;
  74 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
  75 MODULE_PARM_DESC(ql2xfdmienable,
  76                 "Enables FDMI registratons "
  77                 "Default is 0 - no FDMI. 1 - perfom FDMI.");
  78
  79 #define MAX_Q_DEPTH    32
  80 static int ql2xmaxqdepth = MAX_Q_DEPTH;
  81 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
  82 MODULE_PARM_DESC(ql2xmaxqdepth,
  83                 "Maximum queue depth to report for target devices.");
  84
  85 int ql2xqfullrampup = 120;
  86 module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
  87 MODULE_PARM_DESC(ql2xqfullrampup,
  88                 "Number of seconds to wait to begin to ramp-up the queue "
  89                 "depth for a device after a queue-full condition has been "
  90                 "detected.  Default is 120 seconds.");
  91
  92 /*
  93  * SCSI host template entry points
  94  */
  95 static int qla2xxx_slave_configure(struct scsi_device * device);
  96 static int qla2xxx_slave_alloc(struct scsi_device *);
  97 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
  98 static void qla2xxx_scan_start(struct Scsi_Host *);
  99 static void qla2xxx_slave_destroy(struct scsi_device *);
 100 static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
 101                 void (*fn)(struct scsi_cmnd *));
 102 static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
 103                 void (*fn)(struct scsi_cmnd *));
 104 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 105 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 106 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 107 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 108 static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
 109
 110 static int qla2x00_change_queue_depth(struct scsi_device *, int);
 111 static int qla2x00_change_queue_type(struct scsi_device *, int);
 112
 113 static struct scsi_host_template qla2x00_driver_template = {
 114         .module                 = THIS_MODULE,
 115         .name                   = QLA2XXX_DRIVER_NAME,
 116         .queuecommand           = qla2x00_queuecommand,
 117
 118         .eh_abort_handler       = qla2xxx_eh_abort,
 119         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 120         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 121         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 122
 123         .slave_configure        = qla2xxx_slave_configure,
 124
 125         .slave_alloc            = qla2xxx_slave_alloc,
 126         .slave_destroy          = qla2xxx_slave_destroy,
 127         .scan_finished          = qla2xxx_scan_finished,
 128         .scan_start             = qla2xxx_scan_start,
 129         .change_queue_depth     = qla2x00_change_queue_depth,
 130         .change_queue_type      = qla2x00_change_queue_type,
 131         .this_id                = -1,
 132         .cmd_per_lun            = 3,
 133         .use_clustering         = ENABLE_CLUSTERING,
 134         .sg_tablesize           = SG_ALL,
 135
 136         /*
 137          * The RISC allows for each command to transfer (2^32-1) bytes of data,
 138          * which equates to 0x800000 sectors.
 139          */
 140         .max_sectors            = 0xFFFF,
 141         .shost_attrs            = qla2x00_host_attrs,
 142 };
 143
 144 struct scsi_host_template qla24xx_driver_template = {
 145         .module                 = THIS_MODULE,
 146         .name                   = QLA2XXX_DRIVER_NAME,
 147         .queuecommand           = qla24xx_queuecommand,
 148
 149         .eh_abort_handler       = qla2xxx_eh_abort,
 150         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 151         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 152         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 153
 154         .slave_configure        = qla2xxx_slave_configure,
 155
 156         .slave_alloc            = qla2xxx_slave_alloc,
 157         .slave_destroy          = qla2xxx_slave_destroy,
 158         .scan_finished          = qla2xxx_scan_finished,
 159         .scan_start             = qla2xxx_scan_start,
 160         .change_queue_depth     = qla2x00_change_queue_depth,
 161         .change_queue_type      = qla2x00_change_queue_type,
 162         .this_id                = -1,
 163         .cmd_per_lun            = 3,
 164         .use_clustering         = ENABLE_CLUSTERING,
 165         .sg_tablesize           = SG_ALL,
 166
 167         .max_sectors            = 0xFFFF,
 168         .shost_attrs            = qla2x00_host_attrs,
 169 };
 170
 171 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 172 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 173
 174 /* TODO Convert to inlines
 175  *
 176  * Timer routines
 177  */
 178
 179 __inline__ void
 180 qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
 181 {
 182         init_timer(&ha->timer);
 183         ha->timer.expires = jiffies + interval * HZ;
 184         ha->timer.data = (unsigned long)ha;
 185         ha->timer.function = (void (*)(unsigned long))func;
 186         add_timer(&ha->timer);
 187         ha->timer_active = 1;
 188 }
 189
 190 static inline void
 191 qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
 192 {
 193         mod_timer(&ha->timer, jiffies + interval * HZ);
 194 }
 195
 196 static __inline__ void
 197 qla2x00_stop_timer(scsi_qla_host_t *ha)
 198 {
 199         del_timer_sync(&ha->timer);
 200         ha->timer_active = 0;
 201 }
 202
 203 static int qla2x00_do_dpc(void *data);
 204
 205 static void qla2x00_rst_aen(scsi_qla_host_t *);
 206
 207 static int qla2x00_mem_alloc(scsi_qla_host_t *);
 208 static void qla2x00_mem_free(scsi_qla_host_t *ha);
 209 static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
 210
 211 /* -------------------------------------------------------------------------- */
 212
 213 static char *
 214 qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
 215 {
 216         static char *pci_bus_modes[] = {
 217                 "33", "66", "100", "133",
 218         };
 219         uint16_t pci_bus;
 220
 221         strcpy(str, "PCI");
 222         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 223         if (pci_bus) {
 224                 strcat(str, "-X (");
 225                 strcat(str, pci_bus_modes[pci_bus]);
 226         } else {
 227                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 228                 strcat(str, " (");
 229                 strcat(str, pci_bus_modes[pci_bus]);
 230         }
 231         strcat(str, " MHz)");
 232
 233         return (str);
 234 }
 235
 236 static char *
 237 qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
 238 {
 239         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 240         uint32_t pci_bus;
 241         int pcie_reg;
 242
 243         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 244         if (pcie_reg) {
 245                 char lwstr[6];
 246                 uint16_t pcie_lstat, lspeed, lwidth;
 247
 248                 pcie_reg += 0x12;
 249                 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 250                 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 251                 lwidth = (pcie_lstat &
 252                     (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 253
 254                 strcpy(str, "PCIe (");
 255                 if (lspeed == 1)
 256                         strcat(str, "2.5Gb/s ");
 257                 else if (lspeed == 2)
 258                         strcat(str, "5.0Gb/s ");
 259                 else
 260                         strcat(str, "<unknown> ");
 261                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 262                 strcat(str, lwstr);
 263
 264                 return str;
 265         }
 266
 267         strcpy(str, "PCI");
 268         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 269         if (pci_bus == 0 || pci_bus == 8) {
 270                 strcat(str, " (");
 271                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 272         } else {
 273                 strcat(str, "-X ");
 274                 if (pci_bus & BIT_2)
 275                         strcat(str, "Mode 2");
 276                 else
 277                         strcat(str, "Mode 1");
 278                 strcat(str, " (");
 279                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 280         }
 281         strcat(str, " MHz)");
 282
 283         return str;
 284 }
 285
 286 static char *
 287 qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
 288 {
 289         char un_str[10];
 290
 291         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 292             ha->fw_minor_version,
 293             ha->fw_subminor_version);
 294
 295         if (ha->fw_attributes & BIT_9) {
 296                 strcat(str, "FLX");
 297                 return (str);
 298         }
 299
 300         switch (ha->fw_attributes & 0xFF) {
 301         case 0x7:
 302                 strcat(str, "EF");
 303                 break;
 304         case 0x17:
 305                 strcat(str, "TP");
 306                 break;
 307         case 0x37:
 308                 strcat(str, "IP");
 309                 break;
 310         case 0x77:
 311                 strcat(str, "VI");
 312                 break;
 313         default:
 314                 sprintf(un_str, "(%x)", ha->fw_attributes);
 315                 strcat(str, un_str);
 316                 break;
 317         }
 318         if (ha->fw_attributes & 0x100)
 319                 strcat(str, "X");
 320
 321         return (str);
 322 }
 323
 324 static char *
 325 qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
 326 {
 327         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 328             ha->fw_minor_version,
 329             ha->fw_subminor_version);
 330
 331         if (ha->fw_attributes & BIT_0)
 332                 strcat(str, "[Class 2] ");
 333         if (ha->fw_attributes & BIT_1)
 334                 strcat(str, "[IP] ");
 335         if (ha->fw_attributes & BIT_2)
 336                 strcat(str, "[Multi-ID] ");
 337         if (ha->fw_attributes & BIT_3)
 338                 strcat(str, "[SB-2] ");
 339         if (ha->fw_attributes & BIT_4)
 340                 strcat(str, "[T10 CRC] ");
 341         if (ha->fw_attributes & BIT_5)
 342                 strcat(str, "[VI] ");
 343         if (ha->fw_attributes & BIT_13)
 344                 strcat(str, "[Experimental]");
 345         return str;
 346 }
 347
 348 static inline srb_t *
 349 qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
 350     struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 351 {
 352         srb_t *sp;
 353
 354         sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
 355         if (!sp)
 356                 return sp;
 357
 358         sp->ha = ha;
 359         sp->fcport = fcport;
 360         sp->cmd = cmd;
 361         sp->flags = 0;
 362         CMD_SP(cmd) = (void *)sp;
 363         cmd->scsi_done = done;
 364
 365         return sp;
 366 }
 367
 368 static int
 369 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 370 {
 371         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 372         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 373         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 374         srb_t *sp;
 375         int rval;
 376
 377         if (unlikely(pci_channel_offline(ha->pdev))) {
 378                 cmd->result = DID_REQUEUE << 16;
 379                 goto qc_fail_command;
 380         }
 381
 382         rval = fc_remote_port_chkready(rport);
 383         if (rval) {
 384                 cmd->result = rval;
 385                 goto qc_fail_command;
 386         }
 387
 388         /* Close window on fcport/rport state-transitioning. */
 389         if (!*(fc_port_t **)rport->dd_data) {
 390                 cmd->result = DID_IMM_RETRY << 16;
 391                 goto qc_fail_command;
 392         }
 393
 394         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 395                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 396                     atomic_read(&ha->loop_state) == LOOP_DEAD) {
 397                         cmd->result = DID_NO_CONNECT << 16;
 398                         goto qc_fail_command;
 399                 }
 400                 goto qc_host_busy;
 401         }
 402
 403         spin_unlock_irq(ha->host->host_lock);
 404
 405         sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
 406         if (!sp)
 407                 goto qc_host_busy_lock;
 408
 409         rval = qla2x00_start_scsi(sp);
 410         if (rval != QLA_SUCCESS)
 411                 goto qc_host_busy_free_sp;
 412
 413         spin_lock_irq(ha->host->host_lock);
 414
 415         return 0;
 416
 417 qc_host_busy_free_sp:
 418         qla2x00_sp_free_dma(ha, sp);
 419         mempool_free(sp, ha->srb_mempool);
 420
 421 qc_host_busy_lock:
 422         spin_lock_irq(ha->host->host_lock);
 423
 424 qc_host_busy:
 425         return SCSI_MLQUEUE_HOST_BUSY;
 426
 427 qc_fail_command:
 428         done(cmd);
 429
 430         return 0;
 431 }
 432
 433
 434 static int
 435 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 436 {
 437         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 438         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 439         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 440         srb_t *sp;
 441         int rval;
 442         scsi_qla_host_t *pha = to_qla_parent(ha);
 443
 444         if (unlikely(pci_channel_offline(ha->pdev))) {
 445                 cmd->result = DID_REQUEUE << 16;
 446                 goto qc24_fail_command;
 447         }
 448
 449         rval = fc_remote_port_chkready(rport);
 450         if (rval) {
 451                 cmd->result = rval;
 452                 goto qc24_fail_command;
 453         }
 454
 455         /* Close window on fcport/rport state-transitioning. */
 456         if (!*(fc_port_t **)rport->dd_data) {
 457                 cmd->result = DID_IMM_RETRY << 16;
 458                 goto qc24_fail_command;
 459         }
 460
 461         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 462                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 463                     atomic_read(&pha->loop_state) == LOOP_DEAD) {
 464                         cmd->result = DID_NO_CONNECT << 16;
 465                         goto qc24_fail_command;
 466                 }
 467                 goto qc24_host_busy;
 468         }
 469
 470         spin_unlock_irq(ha->host->host_lock);
 471
 472         sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
 473         if (!sp)
 474                 goto qc24_host_busy_lock;
 475
 476         rval = qla24xx_start_scsi(sp);
 477         if (rval != QLA_SUCCESS)
 478                 goto qc24_host_busy_free_sp;
 479
 480         spin_lock_irq(ha->host->host_lock);
 481
 482         return 0;
 483
 484 qc24_host_busy_free_sp:
 485         qla2x00_sp_free_dma(pha, sp);
 486         mempool_free(sp, pha->srb_mempool);
 487
 488 qc24_host_busy_lock:
 489         spin_lock_irq(ha->host->host_lock);
 490
 491 qc24_host_busy:
 492         return SCSI_MLQUEUE_HOST_BUSY;
 493
 494 qc24_fail_command:
 495         done(cmd);
 496
 497         return 0;
 498 }
 499
 500
 501 /*
 502  * qla2x00_eh_wait_on_command
 503  *    Waits for the command to be returned by the Firmware for some
 504  *    max time.
 505  *
 506  * Input:
 507  *    ha = actual ha whose done queue will contain the command
 508  *            returned by firmware.
 509  *    cmd = Scsi Command to wait on.
 510  *    flag = Abort/Reset(Bus or Device Reset)
 511  *
 512  * Return:
 513  *    Not Found : 0
 514  *    Found : 1
 515  */
 516 static int
 517 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
 518 {
 519 #define ABORT_POLLING_PERIOD    1000
 520 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 521         unsigned long wait_iter = ABORT_WAIT_ITER;
 522         int ret = QLA_SUCCESS;
 523
 524         while (CMD_SP(cmd)) {
 525                 msleep(ABORT_POLLING_PERIOD);
 526
 527                 if (--wait_iter)
 528                         break;
 529         }
 530         if (CMD_SP(cmd))
 531                 ret = QLA_FUNCTION_FAILED;
 532
 533         return ret;
 534 }
 535
 536 /*
 537  * qla2x00_wait_for_hba_online
 538  *    Wait till the HBA is online after going through
 539  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 540  *    finally HBA is disabled ie marked offline
 541  *
 542  * Input:
 543  *     ha - pointer to host adapter structure
 544  *
 545  * Note:
 546  *    Does context switching-Release SPIN_LOCK
 547  *    (if any) before calling this routine.
 548  *
 549  * Return:
 550  *    Success (Adapter is online) : 0
 551  *    Failed  (Adapter is offline/disabled) : 1
 552  */
 553 int
 554 qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
 555 {
 556         int             return_status;
 557         unsigned long   wait_online;
 558         scsi_qla_host_t *pha = to_qla_parent(ha);
 559
 560         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 561         while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
 562             test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
 563             test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
 564             pha->dpc_active) && time_before(jiffies, wait_online)) {
 565
 566                 msleep(1000);
 567         }
 568         if (pha->flags.online)
 569                 return_status = QLA_SUCCESS;
 570         else
 571                 return_status = QLA_FUNCTION_FAILED;
 572
 573         DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
 574
 575         return (return_status);
 576 }
 577
 578 /*
 579  * qla2x00_wait_for_loop_ready
 580  *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 581  *    to be in LOOP_READY state.
 582  * Input:
 583  *     ha - pointer to host adapter structure
 584  *
 585  * Note:
 586  *    Does context switching-Release SPIN_LOCK
 587  *    (if any) before calling this routine.
 588  *
 589  *
 590  * Return:
 591  *    Success (LOOP_READY) : 0
 592  *    Failed  (LOOP_NOT_READY) : 1
 593  */
 594 static inline int
 595 qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
 596 {
 597         int      return_status = QLA_SUCCESS;
 598         unsigned long loop_timeout ;
 599         scsi_qla_host_t *pha = to_qla_parent(ha);
 600
 601         /* wait for 5 min at the max for loop to be ready */
 602         loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 603
 604         while ((!atomic_read(&pha->loop_down_timer) &&
 605             atomic_read(&pha->loop_state) == LOOP_DOWN) ||
 606             atomic_read(&pha->loop_state) != LOOP_READY) {
 607                 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
 608                         return_status = QLA_FUNCTION_FAILED;
 609                         break;
 610                 }
 611                 msleep(1000);
 612                 if (time_after_eq(jiffies, loop_timeout)) {
 613                         return_status = QLA_FUNCTION_FAILED;
 614                         break;
 615                 }
 616         }
 617         return (return_status);
 618 }
 619
 620 static void
 621 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
 622 {
 623         struct Scsi_Host *shost = cmnd->device->host;
 624         struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
 625         unsigned long flags;
 626
 627         spin_lock_irqsave(shost->host_lock, flags);
 628         while (rport->port_state == FC_PORTSTATE_BLOCKED) {
 629                 spin_unlock_irqrestore(shost->host_lock, flags);
 630                 msleep(1000);
 631                 spin_lock_irqsave(shost->host_lock, flags);
 632         }
 633         spin_unlock_irqrestore(shost->host_lock, flags);
 634         return;
 635 }
 636
 637 /**************************************************************************
 638 * qla2xxx_eh_abort
 639 *
 640 * Description:
 641 *    The abort function will abort the specified command.
 642 *
 643 * Input:
 644 *    cmd = Linux SCSI command packet to be aborted.
 645 *
 646 * Returns:
 647 *    Either SUCCESS or FAILED.
 648 *
 649 * Note:
 650 *    Only return FAILED if command not returned by firmware.
 651 **************************************************************************/
 652 static int
 653 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 654 {
 655         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 656         srb_t *sp;
 657         int ret, i;
 658         unsigned int id, lun;
 659         unsigned long serial;
 660         unsigned long flags;
 661         int wait = 0;
 662         scsi_qla_host_t *pha = to_qla_parent(ha);
 663
 664         qla2x00_block_error_handler(cmd);
 665
 666         if (!CMD_SP(cmd))
 667                 return SUCCESS;
 668
 669         ret = SUCCESS;
 670
 671         id = cmd->device->id;
 672         lun = cmd->device->lun;
 673         serial = cmd->serial_number;
 674
 675         /* Check active list for command command. */
 676         spin_lock_irqsave(&pha->hardware_lock, flags);
 677         for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
 678                 sp = pha->outstanding_cmds[i];
 679
 680                 if (sp == NULL)
 681                         continue;
 682
 683                 if (sp->cmd != cmd)
 684                         continue;
 685
 686                 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
 687                     __func__, ha->host_no, sp, serial));
 688                 DEBUG3(qla2x00_print_scsi_cmd(cmd));
 689
 690                 spin_unlock_irqrestore(&pha->hardware_lock, flags);
 691                 if (ha->isp_ops->abort_command(ha, sp)) {
 692                         DEBUG2(printk("%s(%ld): abort_command "
 693                             "mbx failed.\n", __func__, ha->host_no));
 694                 } else {
 695                         DEBUG3(printk("%s(%ld): abort_command "
 696                             "mbx success.\n", __func__, ha->host_no));
 697                         wait = 1;
 698                 }
 699                 spin_lock_irqsave(&pha->hardware_lock, flags);
 700
 701                 break;
 702         }
 703         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 704
 705         /* Wait for the command to be returned. */
 706         if (wait) {
 707                 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
 708                         qla_printk(KERN_ERR, ha,
 709                             "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
 710                             "%x.\n", ha->host_no, id, lun, serial, ret);
 711                         ret = FAILED;
 712                 }
 713         }
 714
 715         qla_printk(KERN_INFO, ha,
 716             "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
 717             ha->host_no, id, lun, wait, serial, ret);
 718
 719         return ret;
 720 }
 721
 722 /**************************************************************************
 723 * qla2x00_eh_wait_for_pending_target_commands
 724 *
 725 * Description:
 726 *    Waits for all the commands to come back from the specified target.
 727 *
 728 * Input:
 729 *    ha - pointer to scsi_qla_host structure.
 730 *    t  - target
 731 * Returns:
 732 *    Either SUCCESS or FAILED.
 733 *
 734 * Note:
 735 **************************************************************************/
 736 static int
 737 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
 738 {
 739         int     cnt;
 740         int     status;
 741         srb_t           *sp;
 742         struct scsi_cmnd *cmd;
 743         unsigned long flags;
 744         scsi_qla_host_t *pha = to_qla_parent(ha);
 745
 746         status = 0;
 747
 748         /*
 749          * Waiting for all commands for the designated target in the active
 750          * array
 751          */
 752         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 753                 spin_lock_irqsave(&pha->hardware_lock, flags);
 754                 sp = pha->outstanding_cmds[cnt];
 755                 if (sp) {
 756                         cmd = sp->cmd;
 757                         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 758                         if (cmd->device->id == t &&
 759                             ha->vp_idx == sp->ha->vp_idx) {
 760                                 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
 761                                         status = 1;
 762                                         break;
 763                                 }
 764                         }
 765                 } else {
 766                         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 767                 }
 768         }
 769         return (status);
 770 }
 771
 772
 773 /**************************************************************************
 774 * qla2xxx_eh_device_reset
 775 *
 776 * Description:
 777 *    The device reset function will reset the target and abort any
 778 *    executing commands.
 779 *
 780 *    NOTE: The use of SP is undefined within this context.  Do *NOT*
 781 *          attempt to use this value, even if you determine it is
 782 *          non-null.
 783 *
 784 * Input:
 785 *    cmd = Linux SCSI command packet of the command that cause the
 786 *          bus device reset.
 787 *
 788 * Returns:
 789 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 790 *
 791 **************************************************************************/
 792 static int
 793 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
 794 {
 795         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 796         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 797         int ret = FAILED;
 798         unsigned int id, lun;
 799         unsigned long serial;
 800
 801         qla2x00_block_error_handler(cmd);
 802
 803         id = cmd->device->id;
 804         lun = cmd->device->lun;
 805         serial = cmd->serial_number;
 806
 807         if (!fcport)
 808                 return ret;
 809
 810         qla_printk(KERN_INFO, ha,
 811             "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
 812
 813         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 814                 goto eh_dev_reset_done;
 815
 816         if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
 817                 if (qla2x00_device_reset(ha, fcport) == 0)
 818                         ret = SUCCESS;
 819         } else {
 820                 DEBUG2(printk(KERN_INFO
 821                     "%s failed: loop not ready\n",__func__));
 822         }
 823
 824         if (ret == FAILED) {
 825                 DEBUG3(printk("%s(%ld): device reset failed\n",
 826                     __func__, ha->host_no));
 827                 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
 828                     __func__);
 829
 830                 goto eh_dev_reset_done;
 831         }
 832
 833         /* Flush outstanding commands. */
 834         if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
 835                 ret = FAILED;
 836         if (ret == FAILED) {
 837                 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
 838                     __func__, ha->host_no));
 839                 qla_printk(KERN_INFO, ha,
 840                     "%s: failed while waiting for commands\n", __func__);
 841         } else
 842                 qla_printk(KERN_INFO, ha,
 843                     "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
 844                     id, lun);
 845  eh_dev_reset_done:
 846         return ret;
 847 }
 848
 849 /**************************************************************************
 850 * qla2x00_eh_wait_for_pending_commands
 851 *
 852 * Description:
 853 *    Waits for all the commands to come back from the specified host.
 854 *
 855 * Input:
 856 *    ha - pointer to scsi_qla_host structure.
 857 *
 858 * Returns:
 859 *    1 : SUCCESS
 860 *    0 : FAILED
 861 *
 862 * Note:
 863 **************************************************************************/
 864 static int
 865 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
 866 {
 867         int     cnt;
 868         int     status;
 869         srb_t           *sp;
 870         struct scsi_cmnd *cmd;
 871         unsigned long flags;
 872
 873         status = 1;
 874
 875         /*
 876          * Waiting for all commands for the designated target in the active
 877          * array
 878          */
 879         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 880                 spin_lock_irqsave(&ha->hardware_lock, flags);
 881                 sp = ha->outstanding_cmds[cnt];
 882                 if (sp) {
 883                         cmd = sp->cmd;
 884                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 885                         status = qla2x00_eh_wait_on_command(ha, cmd);
 886                         if (status == 0)
 887                                 break;
 888                 }
 889                 else {
 890                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 891                 }
 892         }
 893         return (status);
 894 }
 895
 896
 897 /**************************************************************************
 898 * qla2xxx_eh_bus_reset
 899 *
 900 * Description:
 901 *    The bus reset function will reset the bus and abort any executing
 902 *    commands.
 903 *
 904 * Input:
 905 *    cmd = Linux SCSI command packet of the command that cause the
 906 *          bus reset.
 907 *
 908 * Returns:
 909 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 910 *
 911 **************************************************************************/
 912 static int
 913 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 914 {
 915         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 916         scsi_qla_host_t *pha = to_qla_parent(ha);
 917         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 918         int ret = FAILED;
 919         unsigned int id, lun;
 920         unsigned long serial;
 921
 922         qla2x00_block_error_handler(cmd);
 923
 924         id = cmd->device->id;
 925         lun = cmd->device->lun;
 926         serial = cmd->serial_number;
 927
 928         if (!fcport)
 929                 return ret;
 930
 931         qla_printk(KERN_INFO, ha,
 932             "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
 933
 934         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
 935                 DEBUG2(printk("%s failed:board disabled\n",__func__));
 936                 goto eh_bus_reset_done;
 937         }
 938
 939         if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
 940                 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
 941                         ret = SUCCESS;
 942         }
 943         if (ret == FAILED)
 944                 goto eh_bus_reset_done;
 945
 946         /* Flush outstanding commands. */
 947         if (!qla2x00_eh_wait_for_pending_commands(pha))
 948                 ret = FAILED;
 949
 950 eh_bus_reset_done:
 951         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
 952             (ret == FAILED) ? "failed" : "succeded");
 953
 954         return ret;
 955 }
 956
 957 /**************************************************************************
 958 * qla2xxx_eh_host_reset
 959 *
 960 * Description:
 961 *    The reset function will reset the Adapter.
 962 *
 963 * Input:
 964 *      cmd = Linux SCSI command packet of the command that cause the
 965 *            adapter reset.
 966 *
 967 * Returns:
 968 *      Either SUCCESS or FAILED.
 969 *
 970 * Note:
 971 **************************************************************************/
 972 static int
 973 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 974 {
 975         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 976         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 977         int ret = FAILED;
 978         unsigned int id, lun;
 979         unsigned long serial;
 980         scsi_qla_host_t *pha = to_qla_parent(ha);
 981
 982         qla2x00_block_error_handler(cmd);
 983
 984         id = cmd->device->id;
 985         lun = cmd->device->lun;
 986         serial = cmd->serial_number;
 987
 988         if (!fcport)
 989                 return ret;
 990
 991         qla_printk(KERN_INFO, ha,
 992             "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
 993
 994         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 995                 goto eh_host_reset_lock;
 996
 997         /*
 998          * Fixme-may be dpc thread is active and processing
 999          * loop_resync,so wait a while for it to
1000          * be completed and then issue big hammer.Otherwise
1001          * it may cause I/O failure as big hammer marks the
1002          * devices as lost kicking of the port_down_timer
1003          * while dpc is stuck for the mailbox to complete.
1004          */
1005         qla2x00_wait_for_loop_ready(ha);
1006         set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1007         if (qla2x00_abort_isp(pha)) {
1008                 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1009                 /* failed. schedule dpc to try */
1010                 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1011
1012                 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1013                         goto eh_host_reset_lock;
1014         }
1015         clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1016
1017         /* Waiting for our command in done_queue to be returned to OS.*/
1018         if (qla2x00_eh_wait_for_pending_commands(pha))
1019                 ret = SUCCESS;
1020
1021         if (ha->parent)
1022                 qla2x00_vp_abort_isp(ha);
1023
1024 eh_host_reset_lock:
1025         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1026             (ret == FAILED) ? "failed" : "succeded");
1027
1028         return ret;
1029 }
1030
1031 /*
1032 * qla2x00_loop_reset
1033 *      Issue loop reset.
1034 *
1035 * Input:
1036 *      ha = adapter block pointer.
1037 *
1038 * Returns:
1039 *      0 = success
1040 */
1041 int
1042 qla2x00_loop_reset(scsi_qla_host_t *ha)
1043 {
1044         int ret;
1045         struct fc_port *fcport;
1046
1047         if (ha->flags.enable_lip_full_login) {
1048                 ret = qla2x00_full_login_lip(ha);
1049                 if (ret != QLA_SUCCESS) {
1050                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1051                             "full_login_lip=%d.\n", __func__, ha->host_no,
1052                             ret));
1053                 }
1054                 atomic_set(&ha->loop_state, LOOP_DOWN);
1055                 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1056                 qla2x00_mark_all_devices_lost(ha, 0);
1057                 qla2x00_wait_for_loop_ready(ha);
1058         }
1059
1060         if (ha->flags.enable_lip_reset) {
1061                 ret = qla2x00_lip_reset(ha);
1062                 if (ret != QLA_SUCCESS) {
1063                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1064                             "lip_reset=%d.\n", __func__, ha->host_no, ret));
1065                 }
1066                 qla2x00_wait_for_loop_ready(ha);
1067         }
1068
1069         if (ha->flags.enable_target_reset) {
1070                 list_for_each_entry(fcport, &ha->fcports, list) {
1071                         if (fcport->port_type != FCT_TARGET)
1072                                 continue;
1073
1074                         ret = qla2x00_device_reset(ha, fcport);
1075                         if (ret != QLA_SUCCESS) {
1076                                 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1077                                     "target_reset=%d d_id=%x.\n", __func__,
1078                                     ha->host_no, ret, fcport->d_id.b24));
1079                         }
1080                 }
1081         }
1082
1083         /* Issue marker command only when we are going to start the I/O */
1084         ha->marker_needed = 1;
1085
1086         return QLA_SUCCESS;
1087 }
1088
1089 /*
1090  * qla2x00_device_reset
1091  *      Issue bus device reset message to the target.
1092  *
1093  * Input:
1094  *      ha = adapter block pointer.
1095  *      t = SCSI ID.
1096  *      TARGET_QUEUE_LOCK must be released.
1097  *      ADAPTER_STATE_LOCK must be released.
1098  *
1099  * Context:
1100  *      Kernel context.
1101  */
1102 static int
1103 qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1104 {
1105         /* Abort Target command will clear Reservation */
1106         return ha->isp_ops->abort_target(reset_fcport);
1107 }
1108
1109 void
1110 qla2x00_abort_all_cmds(scsi_qla_host_t *ha, int res)
1111 {
1112         int cnt;
1113         unsigned long flags;
1114         srb_t *sp;
1115
1116         spin_lock_irqsave(&ha->hardware_lock, flags);
1117         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1118                 sp = ha->outstanding_cmds[cnt];
1119                 if (sp) {
1120                         ha->outstanding_cmds[cnt] = NULL;
1121                         sp->flags = 0;
1122                         sp->cmd->result = res;
1123                         sp->cmd->host_scribble = (unsigned char *)NULL;
1124                         qla2x00_sp_compl(ha, sp);
1125                 }
1126         }
1127         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1128 }
1129
1130 static int
1131 qla2xxx_slave_alloc(struct scsi_device *sdev)
1132 {
1133         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1134
1135         if (!rport || fc_remote_port_chkready(rport))
1136                 return -ENXIO;
1137
1138         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1139
1140         return 0;
1141 }
1142
1143 static int
1144 qla2xxx_slave_configure(struct scsi_device *sdev)
1145 {
1146         scsi_qla_host_t *ha = shost_priv(sdev->host);
1147         struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1148
1149         if (sdev->tagged_supported)
1150                 scsi_activate_tcq(sdev, ha->max_q_depth);
1151         else
1152                 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1153
1154         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1155
1156         return 0;
1157 }
1158
1159 static void
1160 qla2xxx_slave_destroy(struct scsi_device *sdev)
1161 {
1162         sdev->hostdata = NULL;
1163 }
1164
1165 static int
1166 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1167 {
1168         scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1169         return sdev->queue_depth;
1170 }
1171
1172 static int
1173 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1174 {
1175         if (sdev->tagged_supported) {
1176                 scsi_set_tag_type(sdev, tag_type);
1177                 if (tag_type)
1178                         scsi_activate_tcq(sdev, sdev->queue_depth);
1179                 else
1180                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1181         } else
1182                 tag_type = 0;
1183
1184         return tag_type;
1185 }
1186
1187 /**
1188  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1189  * @ha: HA context
1190  *
1191  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1192  * supported addressing method.
1193  */
1194 static void
1195 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1196 {
1197         /* Assume a 32bit DMA mask. */
1198         ha->flags.enable_64bit_addressing = 0;
1199
1200         if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1201                 /* Any upper-dword bits set? */
1202                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1203                     !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1204                         /* Ok, a 64bit DMA mask is applicable. */
1205                         ha->flags.enable_64bit_addressing = 1;
1206                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1207                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1208                         return;
1209                 }
1210         }
1211
1212         dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1213         pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1214 }
1215
1216 static void
1217 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1218 {
1219         unsigned long flags = 0;
1220         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1221
1222         spin_lock_irqsave(&ha->hardware_lock, flags);
1223         ha->interrupts_on = 1;
1224         /* enable risc and host interrupts */
1225         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1226         RD_REG_WORD(&reg->ictrl);
1227         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1228
1229 }
1230
1231 static void
1232 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1233 {
1234         unsigned long flags = 0;
1235         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1236
1237         spin_lock_irqsave(&ha->hardware_lock, flags);
1238         ha->interrupts_on = 0;
1239         /* disable risc and host interrupts */
1240         WRT_REG_WORD(&reg->ictrl, 0);
1241         RD_REG_WORD(&reg->ictrl);
1242         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1243 }
1244
1245 static void
1246 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1247 {
1248         unsigned long flags = 0;
1249         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1250
1251         spin_lock_irqsave(&ha->hardware_lock, flags);
1252         ha->interrupts_on = 1;
1253         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1254         RD_REG_DWORD(&reg->ictrl);
1255         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1256 }
1257
1258 static void
1259 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1260 {
1261         unsigned long flags = 0;
1262         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1263
1264         spin_lock_irqsave(&ha->hardware_lock, flags);
1265         ha->interrupts_on = 0;
1266         WRT_REG_DWORD(&reg->ictrl, 0);
1267         RD_REG_DWORD(&reg->ictrl);
1268         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1269 }
1270
1271 static struct isp_operations qla2100_isp_ops = {
1272         .pci_config             = qla2100_pci_config,
1273         .reset_chip             = qla2x00_reset_chip,
1274         .chip_diag              = qla2x00_chip_diag,
1275         .config_rings           = qla2x00_config_rings,
1276         .reset_adapter          = qla2x00_reset_adapter,
1277         .nvram_config           = qla2x00_nvram_config,
1278         .update_fw_options      = qla2x00_update_fw_options,
1279         .load_risc              = qla2x00_load_risc,
1280         .pci_info_str           = qla2x00_pci_info_str,
1281         .fw_version_str         = qla2x00_fw_version_str,
1282         .intr_handler           = qla2100_intr_handler,
1283         .enable_intrs           = qla2x00_enable_intrs,
1284         .disable_intrs          = qla2x00_disable_intrs,
1285         .abort_command          = qla2x00_abort_command,
1286         .abort_target           = qla2x00_abort_target,
1287         .fabric_login           = qla2x00_login_fabric,
1288         .fabric_logout          = qla2x00_fabric_logout,
1289         .calc_req_entries       = qla2x00_calc_iocbs_32,
1290         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1291         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1292         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1293         .read_nvram             = qla2x00_read_nvram_data,
1294         .write_nvram            = qla2x00_write_nvram_data,
1295         .fw_dump                = qla2100_fw_dump,
1296         .beacon_on              = NULL,
1297         .beacon_off             = NULL,
1298         .beacon_blink           = NULL,
1299         .read_optrom            = qla2x00_read_optrom_data,
1300         .write_optrom           = qla2x00_write_optrom_data,
1301         .get_flash_version      = qla2x00_get_flash_version,
1302 };
1303
1304 static struct isp_operations qla2300_isp_ops = {
1305         .pci_config             = qla2300_pci_config,
1306         .reset_chip             = qla2x00_reset_chip,
1307         .chip_diag              = qla2x00_chip_diag,
1308         .config_rings           = qla2x00_config_rings,
1309         .reset_adapter          = qla2x00_reset_adapter,
1310         .nvram_config           = qla2x00_nvram_config,
1311         .update_fw_options      = qla2x00_update_fw_options,
1312         .load_risc              = qla2x00_load_risc,
1313         .pci_info_str           = qla2x00_pci_info_str,
1314         .fw_version_str         = qla2x00_fw_version_str,
1315         .intr_handler           = qla2300_intr_handler,
1316         .enable_intrs           = qla2x00_enable_intrs,
1317         .disable_intrs          = qla2x00_disable_intrs,
1318         .abort_command          = qla2x00_abort_command,
1319         .abort_target           = qla2x00_abort_target,
1320         .fabric_login           = qla2x00_login_fabric,
1321         .fabric_logout          = qla2x00_fabric_logout,
1322         .calc_req_entries       = qla2x00_calc_iocbs_32,
1323         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1324         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1325         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1326         .read_nvram             = qla2x00_read_nvram_data,
1327         .write_nvram            = qla2x00_write_nvram_data,
1328         .fw_dump                = qla2300_fw_dump,
1329         .beacon_on              = qla2x00_beacon_on,
1330         .beacon_off             = qla2x00_beacon_off,
1331         .beacon_blink           = qla2x00_beacon_blink,
1332         .read_optrom            = qla2x00_read_optrom_data,
1333         .write_optrom           = qla2x00_write_optrom_data,
1334         .get_flash_version      = qla2x00_get_flash_version,
1335 };
1336
1337 static struct isp_operations qla24xx_isp_ops = {
1338         .pci_config             = qla24xx_pci_config,
1339         .reset_chip             = qla24xx_reset_chip,
1340         .chip_diag              = qla24xx_chip_diag,
1341         .config_rings           = qla24xx_config_rings,
1342         .reset_adapter          = qla24xx_reset_adapter,
1343         .nvram_config           = qla24xx_nvram_config,
1344         .update_fw_options      = qla24xx_update_fw_options,
1345         .load_risc              = qla24xx_load_risc,
1346         .pci_info_str           = qla24xx_pci_info_str,
1347         .fw_version_str         = qla24xx_fw_version_str,
1348         .intr_handler           = qla24xx_intr_handler,
1349         .enable_intrs           = qla24xx_enable_intrs,
1350         .disable_intrs          = qla24xx_disable_intrs,
1351         .abort_command          = qla24xx_abort_command,
1352         .abort_target           = qla24xx_abort_target,
1353         .fabric_login           = qla24xx_login_fabric,
1354         .fabric_logout          = qla24xx_fabric_logout,
1355         .calc_req_entries       = NULL,
1356         .build_iocbs            = NULL,
1357         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1358         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1359         .read_nvram             = qla24xx_read_nvram_data,
1360         .write_nvram            = qla24xx_write_nvram_data,
1361         .fw_dump                = qla24xx_fw_dump,
1362         .beacon_on              = qla24xx_beacon_on,
1363         .beacon_off             = qla24xx_beacon_off,
1364         .beacon_blink           = qla24xx_beacon_blink,
1365         .read_optrom            = qla24xx_read_optrom_data,
1366         .write_optrom           = qla24xx_write_optrom_data,
1367         .get_flash_version      = qla24xx_get_flash_version,
1368 };
1369
1370 static struct isp_operations qla25xx_isp_ops = {
1371         .pci_config             = qla25xx_pci_config,
1372         .reset_chip             = qla24xx_reset_chip,
1373         .chip_diag              = qla24xx_chip_diag,
1374         .config_rings           = qla24xx_config_rings,
1375         .reset_adapter          = qla24xx_reset_adapter,
1376         .nvram_config           = qla24xx_nvram_config,
1377         .update_fw_options      = qla24xx_update_fw_options,
1378         .load_risc              = qla24xx_load_risc,
1379         .pci_info_str           = qla24xx_pci_info_str,
1380         .fw_version_str         = qla24xx_fw_version_str,
1381         .intr_handler           = qla24xx_intr_handler,
1382         .enable_intrs           = qla24xx_enable_intrs,
1383         .disable_intrs          = qla24xx_disable_intrs,
1384         .abort_command          = qla24xx_abort_command,
1385         .abort_target           = qla24xx_abort_target,
1386         .fabric_login           = qla24xx_login_fabric,
1387         .fabric_logout          = qla24xx_fabric_logout,
1388         .calc_req_entries       = NULL,
1389         .build_iocbs            = NULL,
1390         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1391         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1392         .read_nvram             = qla25xx_read_nvram_data,
1393         .write_nvram            = qla25xx_write_nvram_data,
1394         .fw_dump                = qla25xx_fw_dump,
1395         .beacon_on              = qla24xx_beacon_on,
1396         .beacon_off             = qla24xx_beacon_off,
1397         .beacon_blink           = qla24xx_beacon_blink,
1398         .read_optrom            = qla25xx_read_optrom_data,
1399         .write_optrom           = qla24xx_write_optrom_data,
1400         .get_flash_version      = qla24xx_get_flash_version,
1401 };
1402
1403 static inline void
1404 qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1405 {
1406         ha->device_type = DT_EXTENDED_IDS;
1407         switch (ha->pdev->device) {
1408         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1409                 ha->device_type |= DT_ISP2100;
1410                 ha->device_type &= ~DT_EXTENDED_IDS;
1411                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1412                 break;
1413         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1414                 ha->device_type |= DT_ISP2200;
1415                 ha->device_type &= ~DT_EXTENDED_IDS;
1416                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1417                 break;
1418         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1419                 ha->device_type |= DT_ISP2300;
1420                 ha->device_type |= DT_ZIO_SUPPORTED;
1421                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1422                 break;
1423         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1424                 ha->device_type |= DT_ISP2312;
1425                 ha->device_type |= DT_ZIO_SUPPORTED;
1426                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1427                 break;
1428         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1429                 ha->device_type |= DT_ISP2322;
1430                 ha->device_type |= DT_ZIO_SUPPORTED;
1431                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1432                     ha->pdev->subsystem_device == 0x0170)
1433                         ha->device_type |= DT_OEM_001;
1434                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1435                 break;
1436         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1437                 ha->device_type |= DT_ISP6312;
1438                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1439                 break;
1440         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1441                 ha->device_type |= DT_ISP6322;
1442                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1443                 break;
1444         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1445                 ha->device_type |= DT_ISP2422;
1446                 ha->device_type |= DT_ZIO_SUPPORTED;
1447                 ha->device_type |= DT_FWI2;
1448                 ha->device_type |= DT_IIDMA;
1449                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1450                 break;
1451         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1452                 ha->device_type |= DT_ISP2432;
1453                 ha->device_type |= DT_ZIO_SUPPORTED;
1454                 ha->device_type |= DT_FWI2;
1455                 ha->device_type |= DT_IIDMA;
1456                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1457                 break;
1458         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1459                 ha->device_type |= DT_ISP5422;
1460                 ha->device_type |= DT_FWI2;
1461                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1462                 break;
1463         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1464                 ha->device_type |= DT_ISP5432;
1465                 ha->device_type |= DT_FWI2;
1466                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1467                 break;
1468         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1469                 ha->device_type |= DT_ISP2532;
1470                 ha->device_type |= DT_ZIO_SUPPORTED;
1471                 ha->device_type |= DT_FWI2;
1472                 ha->device_type |= DT_IIDMA;
1473                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1474                 break;
1475         }
1476 }
1477
1478 static int
1479 qla2x00_iospace_config(scsi_qla_host_t *ha)
1480 {
1481         resource_size_t pio;
1482
1483         if (pci_request_selected_regions(ha->pdev, ha->bars,
1484             QLA2XXX_DRIVER_NAME)) {
1485                 qla_printk(KERN_WARNING, ha,
1486                     "Failed to reserve PIO/MMIO regions (%s)\n",
1487                     pci_name(ha->pdev));
1488
1489                 goto iospace_error_exit;
1490         }
1491         if (!(ha->bars & 1))
1492                 goto skip_pio;
1493
1494         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1495         pio = pci_resource_start(ha->pdev, 0);
1496         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1497                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1498                         qla_printk(KERN_WARNING, ha,
1499                             "Invalid PCI I/O region size (%s)...\n",
1500                                 pci_name(ha->pdev));
1501                         pio = 0;
1502                 }
1503         } else {
1504                 qla_printk(KERN_WARNING, ha,
1505                     "region #0 not a PIO resource (%s)...\n",
1506                     pci_name(ha->pdev));
1507                 pio = 0;
1508         }
1509         ha->pio_address = pio;
1510
1511 skip_pio:
1512         /* Use MMIO operations for all accesses. */
1513         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1514                 qla_printk(KERN_ERR, ha,
1515                     "region #1 not an MMIO resource (%s), aborting\n",
1516                     pci_name(ha->pdev));
1517                 goto iospace_error_exit;
1518         }
1519         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1520                 qla_printk(KERN_ERR, ha,
1521                     "Invalid PCI mem region size (%s), aborting\n",
1522                         pci_name(ha->pdev));
1523                 goto iospace_error_exit;
1524         }
1525
1526         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1527         if (!ha->iobase) {
1528                 qla_printk(KERN_ERR, ha,
1529                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1530
1531                 goto iospace_error_exit;
1532         }
1533
1534         return (0);
1535
1536 iospace_error_exit:
1537         return (-ENOMEM);
1538 }
1539
1540 static void
1541 qla2xxx_scan_start(struct Scsi_Host *shost)
1542 {
1543         scsi_qla_host_t *ha = shost_priv(shost);
1544
1545         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1546         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1547         set_bit(RSCN_UPDATE, &ha->dpc_flags);
1548 }
1549
1550 static int
1551 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1552 {
1553         scsi_qla_host_t *ha = shost_priv(shost);
1554
1555         if (!ha->host)
1556                 return 1;
1557         if (time > ha->loop_reset_delay * HZ)
1558                 return 1;
1559
1560         return atomic_read(&ha->loop_state) == LOOP_READY;
1561 }
1562
1563 /*
1564  * PCI driver interface
1565  */
1566 static int __devinit
1567 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1568 {
1569         int     ret = -ENODEV;
1570         struct Scsi_Host *host;
1571         scsi_qla_host_t *ha;
1572         char pci_info[30];
1573         char fw_str[30];
1574         struct scsi_host_template *sht;
1575         int bars, mem_only = 0;
1576
1577         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1578         sht = &qla2x00_driver_template;
1579         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1580             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1581             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1582             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1583             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1584                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1585                 sht = &qla24xx_driver_template;
1586                 mem_only = 1;
1587         }
1588
1589         if (mem_only) {
1590                 if (pci_enable_device_mem(pdev))
1591                         goto probe_out;
1592         } else {
1593                 if (pci_enable_device(pdev))
1594                         goto probe_out;
1595         }
1596
1597         if (pci_find_aer_capability(pdev))
1598                 if (pci_enable_pcie_error_reporting(pdev))
1599                         goto probe_out;
1600
1601         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1602         if (host == NULL) {
1603                 printk(KERN_WARNING
1604                     "qla2xxx: Couldn't allocate host from scsi layer!\n");
1605                 goto probe_disable_device;
1606         }
1607
1608         /* Clear our data area */
1609         ha = shost_priv(host);
1610         memset(ha, 0, sizeof(scsi_qla_host_t));
1611
1612         ha->pdev = pdev;
1613         ha->host = host;
1614         ha->host_no = host->host_no;
1615         sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
1616         ha->parent = NULL;
1617         ha->bars = bars;
1618         ha->mem_only = mem_only;
1619         spin_lock_init(&ha->hardware_lock);
1620
1621         /* Set ISP-type information. */
1622         qla2x00_set_isp_flags(ha);
1623
1624         /* Configure PCI I/O space */
1625         ret = qla2x00_iospace_config(ha);
1626         if (ret)
1627                 goto probe_failed;
1628
1629         qla_printk(KERN_INFO, ha,
1630             "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1631             ha->iobase);
1632
1633         ha->prev_topology = 0;
1634         ha->init_cb_size = sizeof(init_cb_t);
1635         ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
1636         ha->link_data_rate = PORT_SPEED_UNKNOWN;
1637         ha->optrom_size = OPTROM_SIZE_2300;
1638
1639         ha->max_q_depth = MAX_Q_DEPTH;
1640         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1641                 ha->max_q_depth = ql2xmaxqdepth;
1642
1643         /* Assign ISP specific operations. */
1644         if (IS_QLA2100(ha)) {
1645                 host->max_id = MAX_TARGETS_2100;
1646                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1647                 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1648                 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1649                 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1650                 host->sg_tablesize = 32;
1651                 ha->gid_list_info_size = 4;
1652                 ha->isp_ops = &qla2100_isp_ops;
1653         } else if (IS_QLA2200(ha)) {
1654                 host->max_id = MAX_TARGETS_2200;
1655                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1656                 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1657                 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1658                 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1659                 ha->gid_list_info_size = 4;
1660                 ha->isp_ops = &qla2100_isp_ops;
1661         } else if (IS_QLA23XX(ha)) {
1662                 host->max_id = MAX_TARGETS_2200;
1663                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1664                 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1665                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1666                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1667                 ha->gid_list_info_size = 6;
1668                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1669                         ha->optrom_size = OPTROM_SIZE_2322;
1670                 ha->isp_ops = &qla2300_isp_ops;
1671         } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1672                 host->max_id = MAX_TARGETS_2200;
1673                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1674                 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1675                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1676                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1677                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1678                 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1679                 ha->gid_list_info_size = 8;
1680                 ha->optrom_size = OPTROM_SIZE_24XX;
1681                 ha->isp_ops = &qla24xx_isp_ops;
1682         } else if (IS_QLA25XX(ha)) {
1683                 host->max_id = MAX_TARGETS_2200;
1684                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1685                 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1686                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1687                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1688                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1689                 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1690                 ha->gid_list_info_size = 8;
1691                 ha->optrom_size = OPTROM_SIZE_25XX;
1692                 ha->isp_ops = &qla25xx_isp_ops;
1693         }
1694         host->can_queue = ha->request_q_length + 128;
1695
1696         /* load the F/W, read paramaters, and init the H/W */
1697         ha->instance = num_hosts;
1698
1699         init_MUTEX(&ha->vport_sem);
1700         init_completion(&ha->mbx_cmd_comp);
1701         complete(&ha->mbx_cmd_comp);
1702         init_completion(&ha->mbx_intr_comp);
1703
1704         INIT_LIST_HEAD(&ha->list);
1705         INIT_LIST_HEAD(&ha->fcports);
1706         INIT_LIST_HEAD(&ha->vp_list);
1707         INIT_LIST_HEAD(&ha->work_list);
1708
1709         set_bit(0, (unsigned long *) ha->vp_idx_map);
1710
1711         qla2x00_config_dma_addressing(ha);
1712         if (qla2x00_mem_alloc(ha)) {
1713                 qla_printk(KERN_WARNING, ha,
1714                     "[ERROR] Failed to allocate memory for adapter\n");
1715
1716                 ret = -ENOMEM;
1717                 goto probe_failed;
1718         }
1719
1720         if (qla2x00_initialize_adapter(ha)) {
1721                 qla_printk(KERN_WARNING, ha,
1722                     "Failed to initialize adapter\n");
1723
1724                 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1725                     "Adapter flags %x.\n",
1726                     ha->host_no, ha->device_flags));
1727
1728                 ret = -ENODEV;
1729                 goto probe_failed;
1730         }
1731
1732         /*
1733          * Startup the kernel thread for this host adapter
1734          */
1735         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1736                         "%s_dpc", ha->host_str);
1737         if (IS_ERR(ha->dpc_thread)) {
1738                 qla_printk(KERN_WARNING, ha,
1739                     "Unable to start DPC thread!\n");
1740                 ret = PTR_ERR(ha->dpc_thread);
1741                 goto probe_failed;
1742         }
1743
1744         host->this_id = 255;
1745         host->cmd_per_lun = 3;
1746         host->unique_id = ha->instance;
1747         host->max_cmd_len = MAX_CMDSZ;
1748         host->max_channel = MAX_BUSES - 1;
1749         host->max_lun = MAX_LUNS;
1750         host->transportt = qla2xxx_transport_template;
1751
1752         ret = qla2x00_request_irqs(ha);
1753         if (ret)
1754                 goto probe_failed;
1755
1756         /* Initialized the timer */
1757         qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1758
1759         DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1760             ha->host_no, ha));
1761
1762         pci_set_drvdata(pdev, ha);
1763
1764         ha->flags.init_done = 1;
1765         ha->flags.online = 1;
1766
1767         num_hosts++;
1768
1769         ret = scsi_add_host(host, &pdev->dev);
1770         if (ret)
1771                 goto probe_failed;
1772
1773         scsi_scan_host(host);
1774
1775         qla2x00_alloc_sysfs_attr(ha);
1776
1777         qla2x00_init_host_attr(ha);
1778
1779         qla2x00_dfs_setup(ha);
1780
1781         qla_printk(KERN_INFO, ha, "\n"
1782             " QLogic Fibre Channel HBA Driver: %s\n"
1783             "  QLogic %s - %s\n"
1784             "  ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1785             qla2x00_version_str, ha->model_number,
1786             ha->model_desc ? ha->model_desc: "", pdev->device,
1787             ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
1788             ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1789             ha->isp_ops->fw_version_str(ha, fw_str));
1790
1791         return 0;
1792
1793 probe_failed:
1794         qla2x00_free_device(ha);
1795
1796         scsi_host_put(host);
1797
1798 probe_disable_device:
1799         pci_disable_device(pdev);
1800
1801 probe_out:
1802         return ret;
1803 }
1804
1805 static void
1806 qla2x00_remove_one(struct pci_dev *pdev)
1807 {
1808         scsi_qla_host_t *ha;
1809
1810         ha = pci_get_drvdata(pdev);
1811
1812         qla2x00_dfs_remove(ha);
1813
1814         qla2x00_free_sysfs_attr(ha);
1815
1816         fc_remove_host(ha->host);
1817
1818         scsi_remove_host(ha->host);
1819
1820         qla2x00_free_device(ha);
1821
1822         scsi_host_put(ha->host);
1823
1824         pci_disable_device(pdev);
1825         pci_set_drvdata(pdev, NULL);
1826 }
1827
1828 static void
1829 qla2x00_free_device(scsi_qla_host_t *ha)
1830 {
1831         qla2x00_abort_all_cmds(ha, DID_NO_CONNECT << 16);
1832
1833         /* Disable timer */
1834         if (ha->timer_active)
1835                 qla2x00_stop_timer(ha);
1836
1837         ha->flags.online = 0;
1838
1839         /* Kill the kernel thread for this host */
1840         if (ha->dpc_thread) {
1841                 struct task_struct *t = ha->dpc_thread;
1842
1843                 /*
1844                  * qla2xxx_wake_dpc checks for ->dpc_thread
1845                  * so we need to zero it out.
1846                  */
1847                 ha->dpc_thread = NULL;
1848                 kthread_stop(t);
1849         }
1850
1851         if (ha->flags.fce_enabled)
1852                 qla2x00_disable_fce_trace(ha, NULL, NULL);
1853
1854         if (ha->eft)
1855                 qla2x00_disable_eft_trace(ha);
1856
1857         /* Stop currently executing firmware. */
1858         qla2x00_try_to_stop_firmware(ha);
1859
1860         /* turn-off interrupts on the card */
1861         if (ha->interrupts_on)
1862                 ha->isp_ops->disable_intrs(ha);
1863
1864         qla2x00_mem_free(ha);
1865
1866         qla2x00_free_irqs(ha);
1867
1868         /* release io space registers  */
1869         if (ha->iobase)
1870                 iounmap(ha->iobase);
1871         pci_release_selected_regions(ha->pdev, ha->bars);
1872 }
1873
1874 static inline void
1875 qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1876     int defer)
1877 {
1878         unsigned long flags;
1879         struct fc_rport *rport;
1880
1881         if (!fcport->rport)
1882                 return;
1883
1884         rport = fcport->rport;
1885         if (defer) {
1886                 spin_lock_irqsave(&fcport->rport_lock, flags);
1887                 fcport->drport = rport;
1888                 fcport->rport = NULL;
1889                 *(fc_port_t **)rport->dd_data = NULL;
1890                 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1891                 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1892         } else {
1893                 spin_lock_irqsave(&fcport->rport_lock, flags);
1894                 fcport->rport = NULL;
1895                 *(fc_port_t **)rport->dd_data = NULL;
1896                 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1897                 fc_remote_port_delete(rport);
1898         }
1899 }
1900
1901 /*
1902  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1903  *
1904  * Input: ha = adapter block pointer.  fcport = port structure pointer.
1905  *
1906  * Return: None.
1907  *
1908  * Context:
1909  */
1910 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1911     int do_login, int defer)
1912 {
1913         if (atomic_read(&fcport->state) == FCS_ONLINE &&
1914             ha->vp_idx == fcport->vp_idx)
1915                 qla2x00_schedule_rport_del(ha, fcport, defer);
1916
1917         /*
1918          * We may need to retry the login, so don't change the state of the
1919          * port but do the retries.
1920          */
1921         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1922                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1923
1924         if (!do_login)
1925                 return;
1926
1927         if (fcport->login_retry == 0) {
1928                 fcport->login_retry = ha->login_retry_count;
1929                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1930
1931                 DEBUG(printk("scsi(%ld): Port login retry: "
1932                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
1933                     "id = 0x%04x retry cnt=%d\n",
1934                     ha->host_no,
1935                     fcport->port_name[0],
1936                     fcport->port_name[1],
1937                     fcport->port_name[2],
1938                     fcport->port_name[3],
1939                     fcport->port_name[4],
1940                     fcport->port_name[5],
1941                     fcport->port_name[6],
1942                     fcport->port_name[7],
1943                     fcport->loop_id,
1944                     fcport->login_retry));
1945         }
1946 }
1947
1948 /*
1949  * qla2x00_mark_all_devices_lost
1950  *      Updates fcport state when device goes offline.
1951  *
1952  * Input:
1953  *      ha = adapter block pointer.
1954  *      fcport = port structure pointer.
1955  *
1956  * Return:
1957  *      None.
1958  *
1959  * Context:
1960  */
1961 void
1962 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1963 {
1964         fc_port_t *fcport;
1965         scsi_qla_host_t *pha = to_qla_parent(ha);
1966
1967         list_for_each_entry(fcport, &pha->fcports, list) {
1968                 if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
1969                         continue;
1970                 /*
1971                  * No point in marking the device as lost, if the device is
1972                  * already DEAD.
1973                  */
1974                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1975                         continue;
1976                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1977                         if (defer)
1978                                 qla2x00_schedule_rport_del(ha, fcport, defer);
1979                         else if (ha->vp_idx == fcport->vp_idx)
1980                                 qla2x00_schedule_rport_del(ha, fcport, defer);
1981                 }
1982                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1983         }
1984
1985         if (defer)
1986                 qla2xxx_wake_dpc(ha);
1987 }
1988
1989 /*
1990 * qla2x00_mem_alloc
1991 *      Allocates adapter memory.
1992 *
1993 * Returns:
1994 *      0  = success.
1995 *      !0  = failure.
1996 */
1997 static int
1998 qla2x00_mem_alloc(scsi_qla_host_t *ha)
1999 {
2000         char    name[16];
2001
2002         ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
2003             (ha->request_q_length + 1) * sizeof(request_t), &ha->request_dma,
2004             GFP_KERNEL);
2005         if (!ha->request_ring)
2006                 goto fail;
2007
2008         ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
2009             (ha->response_q_length + 1) * sizeof(response_t),
2010             &ha->response_dma, GFP_KERNEL);
2011         if (!ha->response_ring)
2012                 goto fail_free_request_ring;
2013
2014         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2015             &ha->gid_list_dma, GFP_KERNEL);
2016         if (!ha->gid_list)
2017                 goto fail_free_response_ring;
2018
2019         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2020             &ha->init_cb_dma, GFP_KERNEL);
2021         if (!ha->init_cb)
2022                 goto fail_free_gid_list;
2023
2024         snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
2025             ha->host_no);
2026         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2027             DMA_POOL_SIZE, 8, 0);
2028         if (!ha->s_dma_pool)
2029                 goto fail_free_init_cb;
2030
2031         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2032         if (!ha->srb_mempool)
2033                 goto fail_free_s_dma_pool;
2034
2035         /* Get memory for cached NVRAM */
2036         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2037         if (!ha->nvram)
2038                 goto fail_free_srb_mempool;
2039
2040         /* Allocate memory for SNS commands */
2041         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2042                 /* Get consistent memory allocated for SNS commands */
2043                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2044                     sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2045                 if (!ha->sns_cmd)
2046                         goto fail_free_nvram;
2047         } else {
2048                 /* Get consistent memory allocated for MS IOCB */
2049                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2050                     &ha->ms_iocb_dma);
2051                 if (!ha->ms_iocb)
2052                         goto fail_free_nvram;
2053
2054                 /* Get consistent memory allocated for CT SNS commands */
2055                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2056                     sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2057                 if (!ha->ct_sns)
2058                         goto fail_free_ms_iocb;
2059         }
2060
2061         return 0;
2062
2063 fail_free_ms_iocb:
2064         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2065         ha->ms_iocb = NULL;
2066         ha->ms_iocb_dma = 0;
2067 fail_free_nvram:
2068         kfree(ha->nvram);
2069         ha->nvram = NULL;
2070 fail_free_srb_mempool:
2071         mempool_destroy(ha->srb_mempool);
2072         ha->srb_mempool = NULL;
2073 fail_free_s_dma_pool:
2074         dma_pool_destroy(ha->s_dma_pool);
2075         ha->s_dma_pool = NULL;
2076 fail_free_init_cb:
2077         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2078             ha->init_cb_dma);
2079         ha->init_cb = NULL;
2080         ha->init_cb_dma = 0;
2081 fail_free_gid_list:
2082         dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2083             ha->gid_list_dma);
2084         ha->gid_list = NULL;
2085         ha->gid_list_dma = 0;
2086 fail_free_response_ring:
2087         dma_free_coherent(&ha->pdev->dev, (ha->response_q_length + 1) *
2088             sizeof(response_t), ha->response_ring, ha->response_dma);
2089         ha->response_ring = NULL;
2090         ha->response_dma = 0;
2091 fail_free_request_ring:
2092         dma_free_coherent(&ha->pdev->dev, (ha->request_q_length + 1) *
2093             sizeof(request_t), ha->request_ring, ha->request_dma);
2094         ha->request_ring = NULL;
2095         ha->request_dma = 0;
2096 fail:
2097         return -ENOMEM;
2098 }
2099
2100 /*
2101 * qla2x00_mem_free
2102 *      Frees all adapter allocated memory.
2103 *
2104 * Input:
2105 *      ha = adapter block pointer.
2106 */
2107 static void
2108 qla2x00_mem_free(scsi_qla_host_t *ha)
2109 {
2110         struct list_head        *fcpl, *fcptemp;
2111         fc_port_t       *fcport;
2112
2113         if (ha->srb_mempool)
2114                 mempool_destroy(ha->srb_mempool);
2115
2116         if (ha->fce)
2117                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2118                     ha->fce_dma);
2119
2120         if (ha->fw_dump) {
2121                 if (ha->eft)
2122                         dma_free_coherent(&ha->pdev->dev,
2123                             ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2124                 vfree(ha->fw_dump);
2125         }
2126
2127         if (ha->sns_cmd)
2128                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2129                     ha->sns_cmd, ha->sns_cmd_dma);
2130
2131         if (ha->ct_sns)
2132                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2133                     ha->ct_sns, ha->ct_sns_dma);
2134
2135         if (ha->sfp_data)
2136                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2137
2138         if (ha->ms_iocb)
2139                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2140
2141         if (ha->s_dma_pool)
2142                 dma_pool_destroy(ha->s_dma_pool);
2143
2144         if (ha->init_cb)
2145                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2146                     ha->init_cb, ha->init_cb_dma);
2147
2148         if (ha->gid_list)
2149                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2150                     ha->gid_list_dma);
2151
2152         if (ha->response_ring)
2153                 dma_free_coherent(&ha->pdev->dev,
2154                     (ha->response_q_length + 1) * sizeof(response_t),
2155                     ha->response_ring, ha->response_dma);
2156
2157         if (ha->request_ring)
2158                 dma_free_coherent(&ha->pdev->dev,
2159                     (ha->request_q_length + 1) * sizeof(request_t),
2160                     ha->request_ring, ha->request_dma);
2161
2162         ha->srb_mempool = NULL;
2163         ha->eft = NULL;
2164         ha->eft_dma = 0;
2165         ha->sns_cmd = NULL;
2166         ha->sns_cmd_dma = 0;
2167         ha->ct_sns = NULL;
2168         ha->ct_sns_dma = 0;
2169         ha->ms_iocb = NULL;
2170         ha->ms_iocb_dma = 0;
2171         ha->init_cb = NULL;
2172         ha->init_cb_dma = 0;
2173
2174         ha->s_dma_pool = NULL;
2175
2176         ha->gid_list = NULL;
2177         ha->gid_list_dma = 0;
2178
2179         ha->response_ring = NULL;
2180         ha->response_dma = 0;
2181         ha->request_ring = NULL;
2182         ha->request_dma = 0;
2183
2184         list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2185                 fcport = list_entry(fcpl, fc_port_t, list);
2186
2187                 /* fc ports */
2188                 list_del_init(&fcport->list);
2189                 kfree(fcport);
2190         }
2191         INIT_LIST_HEAD(&ha->fcports);
2192
2193         ha->fw_dump = NULL;
2194         ha->fw_dumped = 0;
2195         ha->fw_dump_reading = 0;
2196
2197         vfree(ha->optrom_buffer);
2198         kfree(ha->nvram);
2199 }
2200
2201 struct qla_work_evt *
2202 qla2x00_alloc_work(struct scsi_qla_host *ha, enum qla_work_type type,
2203     int locked)
2204 {
2205         struct qla_work_evt *e;
2206
2207         e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2208             GFP_KERNEL);
2209         if (!e)
2210                 return NULL;
2211
2212         INIT_LIST_HEAD(&e->list);
2213         e->type = type;
2214         e->flags = QLA_EVT_FLAG_FREE;
2215         return e;
2216 }
2217
2218 int
2219 qla2x00_post_work(struct scsi_qla_host *ha, struct qla_work_evt *e, int locked)
2220 {
2221         unsigned long flags;
2222
2223         if (!locked)
2224                 spin_lock_irqsave(&ha->hardware_lock, flags);
2225         list_add_tail(&e->list, &ha->work_list);
2226         qla2xxx_wake_dpc(ha);
2227         if (!locked)
2228                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2229         return QLA_SUCCESS;
2230 }
2231
2232 int
2233 qla2x00_post_aen_work(struct scsi_qla_host *ha, enum fc_host_event_code code,
2234     u32 data)
2235 {
2236         struct qla_work_evt *e;
2237
2238         e = qla2x00_alloc_work(ha, QLA_EVT_AEN, 1);
2239         if (!e)
2240                 return QLA_FUNCTION_FAILED;
2241
2242         e->u.aen.code = code;
2243         e->u.aen.data = data;
2244         return qla2x00_post_work(ha, e, 1);
2245 }
2246
2247 static void
2248 qla2x00_do_work(struct scsi_qla_host *ha)
2249 {
2250         struct qla_work_evt *e;
2251
2252         spin_lock_irq(&ha->hardware_lock);
2253         while (!list_empty(&ha->work_list)) {
2254                 e = list_entry(ha->work_list.next, struct qla_work_evt, list);
2255                 list_del_init(&e->list);
2256                 spin_unlock_irq(&ha->hardware_lock);
2257
2258                 switch (e->type) {
2259                 case QLA_EVT_AEN:
2260                         fc_host_post_event(ha->host, fc_get_event_number(),
2261                             e->u.aen.code, e->u.aen.data);
2262                         break;
2263                 }
2264                 if (e->flags & QLA_EVT_FLAG_FREE)
2265                         kfree(e);
2266                 spin_lock_irq(&ha->hardware_lock);
2267         }
2268         spin_unlock_irq(&ha->hardware_lock);
2269 }
2270
2271 /**************************************************************************
2272 * qla2x00_do_dpc
2273 *   This kernel thread is a task that is schedule by the interrupt handler
2274 *   to perform the background processing for interrupts.
2275 *
2276 * Notes:
2277 * This task always run in the context of a kernel thread.  It
2278 * is kick-off by the driver's detect code and starts up
2279 * up one per adapter. It immediately goes to sleep and waits for
2280 * some fibre event.  When either the interrupt handler or
2281 * the timer routine detects a event it will one of the task
2282 * bits then wake us up.
2283 **************************************************************************/
2284 static int
2285 qla2x00_do_dpc(void *data)
2286 {
2287         int             rval;
2288         scsi_qla_host_t *ha;
2289         fc_port_t       *fcport;
2290         uint8_t         status;
2291         uint16_t        next_loopid;
2292         struct scsi_qla_host *vha;
2293         int             i;
2294
2295
2296         ha = (scsi_qla_host_t *)data;
2297
2298         set_user_nice(current, -20);
2299
2300         while (!kthread_should_stop()) {
2301                 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2302
2303                 set_current_state(TASK_INTERRUPTIBLE);
2304                 schedule();
2305                 __set_current_state(TASK_RUNNING);
2306
2307                 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2308
2309                 /* Initialization not yet finished. Don't do anything yet. */
2310                 if (!ha->flags.init_done)
2311                         continue;
2312
2313                 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2314
2315                 ha->dpc_active = 1;
2316
2317                 if (ha->flags.mbox_busy) {
2318                         ha->dpc_active = 0;
2319                         continue;
2320                 }
2321
2322                 qla2x00_do_work(ha);
2323
2324                 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2325
2326                         DEBUG(printk("scsi(%ld): dpc: sched "
2327                             "qla2x00_abort_isp ha = %p\n",
2328                             ha->host_no, ha));
2329                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2330                             &ha->dpc_flags))) {
2331
2332                                 if (qla2x00_abort_isp(ha)) {
2333                                         /* failed. retry later */
2334                                         set_bit(ISP_ABORT_NEEDED,
2335                                             &ha->dpc_flags);
2336                                 }
2337                                 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2338                         }
2339
2340                         for_each_mapped_vp_idx(ha, i) {
2341                                 list_for_each_entry(vha, &ha->vp_list,
2342                                     vp_list) {
2343                                         if (i == vha->vp_idx) {
2344                                                 set_bit(ISP_ABORT_NEEDED,
2345                                                     &vha->dpc_flags);
2346                                                 break;
2347                                         }
2348                                 }
2349                         }
2350
2351                         DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2352                             ha->host_no));
2353                 }
2354
2355                 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2356                         qla2x00_update_fcports(ha);
2357
2358                 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2359                         DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2360                             ha->host_no));
2361                         qla2x00_loop_reset(ha);
2362                 }
2363
2364                 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2365                     (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2366
2367                         DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2368                             ha->host_no));
2369
2370                         qla2x00_rst_aen(ha);
2371                         clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2372                 }
2373
2374                 /* Retry each device up to login retry count */
2375                 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2376                     !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2377                     atomic_read(&ha->loop_state) != LOOP_DOWN) {
2378
2379                         DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2380                             ha->host_no));
2381
2382                         next_loopid = 0;
2383                         list_for_each_entry(fcport, &ha->fcports, list) {
2384                                 /*
2385                                  * If the port is not ONLINE then try to login
2386                                  * to it if we haven't run out of retries.
2387                                  */
2388                                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2389                                     fcport->login_retry) {
2390
2391                                         if (fcport->flags & FCF_FABRIC_DEVICE) {
2392                                                 if (fcport->flags &
2393                                                     FCF_TAPE_PRESENT)
2394                                                         ha->isp_ops->fabric_logout(
2395                                                             ha, fcport->loop_id,
2396                                                             fcport->d_id.b.domain,
2397                                                             fcport->d_id.b.area,
2398                                                             fcport->d_id.b.al_pa);
2399                                                 status = qla2x00_fabric_login(
2400                                                     ha, fcport, &next_loopid);
2401                                         } else
2402                                                 status =
2403                                                     qla2x00_local_device_login(
2404                                                         ha, fcport);
2405
2406                                         fcport->login_retry--;
2407                                         if (status == QLA_SUCCESS) {
2408                                                 fcport->old_loop_id = fcport->loop_id;
2409
2410                                                 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2411                                                     ha->host_no, fcport->loop_id));
2412
2413                                                 qla2x00_update_fcport(ha,
2414                                                     fcport);
2415                                         } else if (status == 1) {
2416                                                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2417                                                 /* retry the login again */
2418                                                 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2419                                                     ha->host_no,
2420                                                     fcport->login_retry, fcport->loop_id));
2421                                         } else {
2422                                                 fcport->login_retry = 0;
2423                                         }
2424                                         if (fcport->login_retry == 0)
2425                                                 fcport->loop_id = FC_NO_LOOP_ID;
2426                                 }
2427                                 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2428                                         break;
2429                         }
2430                         DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2431                             ha->host_no));
2432                 }
2433
2434                 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2435                     atomic_read(&ha->loop_state) != LOOP_DOWN) {
2436
2437                         clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2438                         DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2439                             ha->host_no));
2440
2441                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2442
2443                         DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2444                             ha->host_no));
2445                 }
2446
2447                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2448
2449                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2450                             ha->host_no));
2451
2452                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2453                             &ha->dpc_flags))) {
2454
2455                                 rval = qla2x00_loop_resync(ha);
2456
2457                                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2458                         }
2459
2460                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2461                             ha->host_no));
2462                 }
2463
2464                 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2465
2466                         DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2467                             ha->host_no));
2468
2469                         qla2x00_rescan_fcports(ha);
2470
2471                         DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2472                             "end.\n",
2473                             ha->host_no));
2474                 }
2475
2476                 if (!ha->interrupts_on)
2477                         ha->isp_ops->enable_intrs(ha);
2478
2479                 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2480                         ha->isp_ops->beacon_blink(ha);
2481
2482                 qla2x00_do_dpc_all_vps(ha);
2483
2484                 ha->dpc_active = 0;
2485         } /* End of while(1) */
2486
2487         DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2488
2489         /*
2490          * Make sure that nobody tries to wake us up again.
2491          */
2492         ha->dpc_active = 0;
2493
2494         return 0;
2495 }
2496
2497 void
2498 qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2499 {
2500         if (ha->dpc_thread)
2501                 wake_up_process(ha->dpc_thread);
2502 }
2503
2504 /*
2505 *  qla2x00_rst_aen
2506 *      Processes asynchronous reset.
2507 *
2508 * Input:
2509 *      ha  = adapter block pointer.
2510 */
2511 static void
2512 qla2x00_rst_aen(scsi_qla_host_t *ha)
2513 {
2514         if (ha->flags.online && !ha->flags.reset_active &&
2515             !atomic_read(&ha->loop_down_timer) &&
2516             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2517                 do {
2518                         clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2519
2520                         /*
2521                          * Issue marker command only when we are going to start
2522                          * the I/O.
2523                          */
2524                         ha->marker_needed = 1;
2525                 } while (!atomic_read(&ha->loop_down_timer) &&
2526                     (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2527         }
2528 }
2529
2530 static void
2531 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2532 {
2533         struct scsi_cmnd *cmd = sp->cmd;
2534
2535         if (sp->flags & SRB_DMA_VALID) {
2536                 scsi_dma_unmap(cmd);
2537                 sp->flags &= ~SRB_DMA_VALID;
2538         }
2539         CMD_SP(cmd) = NULL;
2540 }
2541
2542 void
2543 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2544 {
2545         struct scsi_cmnd *cmd = sp->cmd;
2546
2547         qla2x00_sp_free_dma(ha, sp);
2548
2549         mempool_free(sp, ha->srb_mempool);
2550
2551         cmd->scsi_done(cmd);
2552 }
2553
2554 /**************************************************************************
2555 *   qla2x00_timer
2556 *
2557 * Description:
2558 *   One second timer
2559 *
2560 * Context: Interrupt
2561 ***************************************************************************/
2562 void
2563 qla2x00_timer(scsi_qla_host_t *ha)
2564 {
2565         unsigned long   cpu_flags = 0;
2566         fc_port_t       *fcport;
2567         int             start_dpc = 0;
2568         int             index;
2569         srb_t           *sp;
2570         int             t;
2571         scsi_qla_host_t *pha = to_qla_parent(ha);
2572
2573         /*
2574          * Ports - Port down timer.
2575          *
2576          * Whenever, a port is in the LOST state we start decrementing its port
2577          * down timer every second until it reaches zero. Once  it reaches zero
2578          * the port it marked DEAD.
2579          */
2580         t = 0;
2581         list_for_each_entry(fcport, &ha->fcports, list) {
2582                 if (fcport->port_type != FCT_TARGET)
2583                         continue;
2584
2585                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2586
2587                         if (atomic_read(&fcport->port_down_timer) == 0)
2588                                 continue;
2589
2590                         if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2591                                 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2592
2593                         DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2594                             "%d remaining\n",
2595                             ha->host_no,
2596                             t, atomic_read(&fcport->port_down_timer)));
2597                 }
2598                 t++;
2599         } /* End of for fcport  */
2600
2601
2602         /* Loop down handler. */
2603         if (atomic_read(&ha->loop_down_timer) > 0 &&
2604             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2605
2606                 if (atomic_read(&ha->loop_down_timer) ==
2607                     ha->loop_down_abort_time) {
2608
2609                         DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2610                             "queues before time expire\n",
2611                             ha->host_no));
2612
2613                         if (!IS_QLA2100(ha) && ha->link_down_timeout)
2614                                 atomic_set(&ha->loop_state, LOOP_DEAD);
2615
2616                         /* Schedule an ISP abort to return any tape commands. */
2617                         /* NPIV - scan physical port only */
2618                         if (!ha->parent) {
2619                                 spin_lock_irqsave(&ha->hardware_lock,
2620                                     cpu_flags);
2621                                 for (index = 1;
2622                                     index < MAX_OUTSTANDING_COMMANDS;
2623                                     index++) {
2624                                         fc_port_t *sfcp;
2625
2626                                         sp = ha->outstanding_cmds[index];
2627                                         if (!sp)
2628                                                 continue;
2629                                         sfcp = sp->fcport;
2630                                         if (!(sfcp->flags & FCF_TAPE_PRESENT))
2631                                                 continue;
2632
2633                                         set_bit(ISP_ABORT_NEEDED,
2634                                             &ha->dpc_flags);
2635                                         break;
2636                                 }
2637                                 spin_unlock_irqrestore(&ha->hardware_lock,
2638                                     cpu_flags);
2639                         }
2640                         set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2641                         start_dpc++;
2642                 }
2643
2644                 /* if the loop has been down for 4 minutes, reinit adapter */
2645                 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2646                         DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2647                             "restarting queues.\n",
2648                             ha->host_no));
2649
2650                         set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2651                         start_dpc++;
2652
2653                         if (!(ha->device_flags & DFLG_NO_CABLE)) {
2654                                 DEBUG(printk("scsi(%ld): Loop down - "
2655                                     "aborting ISP.\n",
2656                                     ha->host_no));
2657                                 qla_printk(KERN_WARNING, ha,
2658                                     "Loop down - aborting ISP.\n");
2659
2660                                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2661                         }
2662                 }
2663                 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2664                     ha->host_no,
2665                     atomic_read(&ha->loop_down_timer)));
2666         }
2667
2668         /* Check if beacon LED needs to be blinked */
2669         if (ha->beacon_blink_led == 1) {
2670                 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2671                 start_dpc++;
2672         }
2673
2674         /* Schedule the DPC routine if needed */
2675         if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2676             test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2677             test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
2678             test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
2679             start_dpc ||
2680             test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
2681             test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2682             test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2683             test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
2684             test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2685                 qla2xxx_wake_dpc(pha);
2686
2687         qla2x00_restart_timer(ha, WATCH_INTERVAL);
2688 }
2689
2690 /* Firmware interface routines. */
2691
2692 #define FW_BLOBS        6
2693 #define FW_ISP21XX      0
2694 #define FW_ISP22XX      1
2695 #define FW_ISP2300      2
2696 #define FW_ISP2322      3
2697 #define FW_ISP24XX      4
2698 #define FW_ISP25XX      5
2699
2700 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2701 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2702 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2703 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2704 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2705 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2706
2707 static DECLARE_MUTEX(qla_fw_lock);
2708
2709 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2710         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2711         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2712         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2713         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2714         { .name = FW_FILE_ISP24XX, },
2715         { .name = FW_FILE_ISP25XX, },
2716 };
2717
2718 struct fw_blob *
2719 qla2x00_request_firmware(scsi_qla_host_t *ha)
2720 {
2721         struct fw_blob *blob;
2722
2723         blob = NULL;
2724         if (IS_QLA2100(ha)) {
2725                 blob = &qla_fw_blobs[FW_ISP21XX];
2726         } else if (IS_QLA2200(ha)) {
2727                 blob = &qla_fw_blobs[FW_ISP22XX];
2728         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2729                 blob = &qla_fw_blobs[FW_ISP2300];
2730         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2731                 blob = &qla_fw_blobs[FW_ISP2322];
2732         } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
2733                 blob = &qla_fw_blobs[FW_ISP24XX];
2734         } else if (IS_QLA25XX(ha)) {
2735                 blob = &qla_fw_blobs[FW_ISP25XX];
2736         }
2737
2738         down(&qla_fw_lock);
2739         if (blob->fw)
2740                 goto out;
2741
2742         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2743                 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2744                     "(%s).\n", ha->host_no, blob->name));
2745                 blob->fw = NULL;
2746                 blob = NULL;
2747                 goto out;
2748         }
2749
2750 out:
2751         up(&qla_fw_lock);
2752         return blob;
2753 }
2754
2755 static void
2756 qla2x00_release_firmware(void)
2757 {
2758         int idx;
2759
2760         down(&qla_fw_lock);
2761         for (idx = 0; idx < FW_BLOBS; idx++)
2762                 if (qla_fw_blobs[idx].fw)
2763                         release_firmware(qla_fw_blobs[idx].fw);
2764         up(&qla_fw_lock);
2765 }
2766
2767 static pci_ers_result_t
2768 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2769 {
2770         switch (state) {
2771         case pci_channel_io_normal:
2772                 return PCI_ERS_RESULT_CAN_RECOVER;
2773         case pci_channel_io_frozen:
2774                 pci_disable_device(pdev);
2775                 return PCI_ERS_RESULT_NEED_RESET;
2776         case pci_channel_io_perm_failure:
2777                 qla2x00_remove_one(pdev);
2778                 return PCI_ERS_RESULT_DISCONNECT;
2779         }
2780         return PCI_ERS_RESULT_NEED_RESET;
2781 }
2782
2783 static pci_ers_result_t
2784 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2785 {
2786         int risc_paused = 0;
2787         uint32_t stat;
2788         unsigned long flags;
2789         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2790         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2791         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2792
2793         spin_lock_irqsave(&ha->hardware_lock, flags);
2794         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2795                 stat = RD_REG_DWORD(&reg->hccr);
2796                 if (stat & HCCR_RISC_PAUSE)
2797                         risc_paused = 1;
2798         } else if (IS_QLA23XX(ha)) {
2799                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2800                 if (stat & HSR_RISC_PAUSED)
2801                         risc_paused = 1;
2802         } else if (IS_FWI2_CAPABLE(ha)) {
2803                 stat = RD_REG_DWORD(&reg24->host_status);
2804                 if (stat & HSRX_RISC_PAUSED)
2805                         risc_paused = 1;
2806         }
2807         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2808
2809         if (risc_paused) {
2810                 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2811                     "Dumping firmware!\n");
2812                 ha->isp_ops->fw_dump(ha, 0);
2813
2814                 return PCI_ERS_RESULT_NEED_RESET;
2815         } else
2816                 return PCI_ERS_RESULT_RECOVERED;
2817 }
2818
2819 static pci_ers_result_t
2820 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2821 {
2822         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2823         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2824         int rc;
2825
2826         if (ha->mem_only)
2827                 rc = pci_enable_device_mem(pdev);
2828         else
2829                 rc = pci_enable_device(pdev);
2830
2831         if (rc) {
2832                 qla_printk(KERN_WARNING, ha,
2833                     "Can't re-enable PCI device after reset.\n");
2834
2835                 return ret;
2836         }
2837         pci_set_master(pdev);
2838
2839         if (ha->isp_ops->pci_config(ha))
2840                 return ret;
2841
2842         set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2843         if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2844                 ret =  PCI_ERS_RESULT_RECOVERED;
2845         clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2846
2847         return ret;
2848 }
2849
2850 static void
2851 qla2xxx_pci_resume(struct pci_dev *pdev)
2852 {
2853         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2854         int ret;
2855
2856         ret = qla2x00_wait_for_hba_online(ha);
2857         if (ret != QLA_SUCCESS) {
2858                 qla_printk(KERN_ERR, ha,
2859                     "the device failed to resume I/O "
2860                     "from slot/link_reset");
2861         }
2862         pci_cleanup_aer_uncorrect_error_status(pdev);
2863 }
2864
2865 static struct pci_error_handlers qla2xxx_err_handler = {
2866         .error_detected = qla2xxx_pci_error_detected,
2867         .mmio_enabled = qla2xxx_pci_mmio_enabled,
2868         .slot_reset = qla2xxx_pci_slot_reset,
2869         .resume = qla2xxx_pci_resume,
2870 };
2871
2872 static struct pci_device_id qla2xxx_pci_tbl[] = {
2873         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2874         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2875         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2876         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2877         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2878         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2879         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2880         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2881         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2882         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2883         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
2884         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
2885         { 0 },
2886 };
2887 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2888
2889 static struct pci_driver qla2xxx_pci_driver = {
2890         .name           = QLA2XXX_DRIVER_NAME,
2891         .driver         = {
2892                 .owner          = THIS_MODULE,
2893         },
2894         .id_table       = qla2xxx_pci_tbl,
2895         .probe          = qla2x00_probe_one,
2896         .remove         = qla2x00_remove_one,
2897         .err_handler    = &qla2xxx_err_handler,
2898 };
2899
2900 /**
2901  * qla2x00_module_init - Module initialization.
2902  **/
2903 static int __init
2904 qla2x00_module_init(void)
2905 {
2906         int ret = 0;
2907
2908         /* Allocate cache for SRBs. */
2909         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2910             SLAB_HWCACHE_ALIGN, NULL);
2911         if (srb_cachep == NULL) {
2912                 printk(KERN_ERR
2913                     "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2914                 return -ENOMEM;
2915         }
2916
2917         /* Derive version string. */
2918         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2919         if (ql2xextended_error_logging)
2920                 strcat(qla2x00_version_str, "-debug");
2921
2922         qla2xxx_transport_template =
2923             fc_attach_transport(&qla2xxx_transport_functions);
2924         if (!qla2xxx_transport_template) {
2925                 kmem_cache_destroy(srb_cachep);
2926                 return -ENODEV;
2927         }
2928         qla2xxx_transport_vport_template =
2929             fc_attach_transport(&qla2xxx_transport_vport_functions);
2930         if (!qla2xxx_transport_vport_template) {
2931                 kmem_cache_destroy(srb_cachep);
2932                 fc_release_transport(qla2xxx_transport_template);
2933                 return -ENODEV;
2934         }
2935
2936         printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
2937         ret = pci_register_driver(&qla2xxx_pci_driver);
2938         if (ret) {
2939                 kmem_cache_destroy(srb_cachep);
2940                 fc_release_transport(qla2xxx_transport_template);
2941                 fc_release_transport(qla2xxx_transport_vport_template);
2942         }
2943         return ret;
2944 }
2945
2946 /**
2947  * qla2x00_module_exit - Module cleanup.
2948  **/
2949 static void __exit
2950 qla2x00_module_exit(void)
2951 {
2952         pci_unregister_driver(&qla2xxx_pci_driver);
2953         qla2x00_release_firmware();
2954         kmem_cache_destroy(srb_cachep);
2955         fc_release_transport(qla2xxx_transport_template);
2956         fc_release_transport(qla2xxx_transport_vport_template);
2957 }
2958
2959 module_init(qla2x00_module_init);
2960 module_exit(qla2x00_module_exit);
2961
2962 MODULE_AUTHOR("QLogic Corporation");
2963 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2964 MODULE_LICENSE("GPL");
2965 MODULE_VERSION(QLA2XXX_VERSION);
2966 MODULE_FIRMWARE(FW_FILE_ISP21XX);
2967 MODULE_FIRMWARE(FW_FILE_ISP22XX);
2968 MODULE_FIRMWARE(FW_FILE_ISP2300);
2969 MODULE_FIRMWARE(FW_FILE_ISP2322);
2970 MODULE_FIRMWARE(FW_FILE_ISP24XX);
2971 MODULE_FIRMWARE(FW_FILE_ISP25XX);