drivers/scsi/qla2xxx/qla_os.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2005 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8
   9 #include <linux/moduleparam.h>
  10 #include <linux/vmalloc.h>
  11 #include <linux/delay.h>
  12 #include <linux/kthread.h>
  13
  14 #include <scsi/scsi_tcq.h>
  15 #include <scsi/scsicam.h>
  16 #include <scsi/scsi_transport.h>
  17 #include <scsi/scsi_transport_fc.h>
  18
  19 /*
  20  * Driver version
  21  */
  22 char qla2x00_version_str[40];
  23
  24 /*
  25  * SRB allocation cache
  26  */
  27 static struct kmem_cache *srb_cachep;
  28
  29 /*
  30  * Ioctl related information.
  31  */
  32 int num_hosts;
  33 int ql2xlogintimeout = 20;
  34 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
  35 MODULE_PARM_DESC(ql2xlogintimeout,
  36                 "Login timeout value in seconds.");
  37
  38 int qlport_down_retry;
  39 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
  40 MODULE_PARM_DESC(qlport_down_retry,
  41                 "Maximum number of command retries to a port that returns "
  42                 "a PORT-DOWN status.");
  43
  44 int ql2xplogiabsentdevice;
  45 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
  46 MODULE_PARM_DESC(ql2xplogiabsentdevice,
  47                 "Option to enable PLOGI to devices that are not present after "
  48                 "a Fabric scan.  This is needed for several broken switches. "
  49                 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
  50
  51 int ql2xloginretrycount = 0;
  52 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
  53 MODULE_PARM_DESC(ql2xloginretrycount,
  54                 "Specify an alternate value for the NVRAM login retry count.");
  55
  56 int ql2xallocfwdump = 1;
  57 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
  58 MODULE_PARM_DESC(ql2xallocfwdump,
  59                 "Option to enable allocation of memory for a firmware dump "
  60                 "during HBA initialization.  Memory allocation requirements "
  61                 "vary by ISP type.  Default is 1 - allocate memory.");
  62
  63 int ql2xextended_error_logging;
  64 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  65 MODULE_PARM_DESC(ql2xextended_error_logging,
  66                 "Option to enable extended error logging, "
  67                 "Default is 0 - no logging. 1 - log errors.");
  68
  69 static void qla2x00_free_device(scsi_qla_host_t *);
  70
  71 static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
  72
  73 int ql2xfdmienable;
  74 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
  75 MODULE_PARM_DESC(ql2xfdmienable,
  76                 "Enables FDMI registratons "
  77                 "Default is 0 - no FDMI. 1 - perfom FDMI.");
  78
  79 #define MAX_Q_DEPTH    32
  80 static int ql2xmaxqdepth = MAX_Q_DEPTH;
  81 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
  82 MODULE_PARM_DESC(ql2xmaxqdepth,
  83                 "Maximum queue depth to report for target devices.");
  84
  85 int ql2xqfullrampup = 120;
  86 module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
  87 MODULE_PARM_DESC(ql2xqfullrampup,
  88                 "Number of seconds to wait to begin to ramp-up the queue "
  89                 "depth for a device after a queue-full condition has been "
  90                 "detected.  Default is 120 seconds.");
  91
  92 /*
  93  * SCSI host template entry points
  94  */
  95 static int qla2xxx_slave_configure(struct scsi_device * device);
  96 static int qla2xxx_slave_alloc(struct scsi_device *);
  97 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
  98 static void qla2xxx_scan_start(struct Scsi_Host *);
  99 static void qla2xxx_slave_destroy(struct scsi_device *);
 100 static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
 101                 void (*fn)(struct scsi_cmnd *));
 102 static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
 103                 void (*fn)(struct scsi_cmnd *));
 104 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 105 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 106 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 107 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 108 static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
 109
 110 static int qla2x00_change_queue_depth(struct scsi_device *, int);
 111 static int qla2x00_change_queue_type(struct scsi_device *, int);
 112
 113 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 uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
 208 static void qla2x00_mem_free(scsi_qla_host_t *ha);
 209 static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
 210 static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
 211 static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
 212
 213 /* -------------------------------------------------------------------------- */
 214
 215 static char *
 216 qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
 217 {
 218         static char *pci_bus_modes[] = {
 219                 "33", "66", "100", "133",
 220         };
 221         uint16_t pci_bus;
 222
 223         strcpy(str, "PCI");
 224         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 225         if (pci_bus) {
 226                 strcat(str, "-X (");
 227                 strcat(str, pci_bus_modes[pci_bus]);
 228         } else {
 229                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 230                 strcat(str, " (");
 231                 strcat(str, pci_bus_modes[pci_bus]);
 232         }
 233         strcat(str, " MHz)");
 234
 235         return (str);
 236 }
 237
 238 static char *
 239 qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
 240 {
 241         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 242         uint32_t pci_bus;
 243         int pcie_reg;
 244
 245         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 246         if (pcie_reg) {
 247                 char lwstr[6];
 248                 uint16_t pcie_lstat, lspeed, lwidth;
 249
 250                 pcie_reg += 0x12;
 251                 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 252                 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 253                 lwidth = (pcie_lstat &
 254                     (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 255
 256                 strcpy(str, "PCIe (");
 257                 if (lspeed == 1)
 258                         strcat(str, "2.5Gb/s ");
 259                 else if (lspeed == 2)
 260                         strcat(str, "5.0Gb/s ");
 261                 else
 262                         strcat(str, "<unknown> ");
 263                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 264                 strcat(str, lwstr);
 265
 266                 return str;
 267         }
 268
 269         strcpy(str, "PCI");
 270         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 271         if (pci_bus == 0 || pci_bus == 8) {
 272                 strcat(str, " (");
 273                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 274         } else {
 275                 strcat(str, "-X ");
 276                 if (pci_bus & BIT_2)
 277                         strcat(str, "Mode 2");
 278                 else
 279                         strcat(str, "Mode 1");
 280                 strcat(str, " (");
 281                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 282         }
 283         strcat(str, " MHz)");
 284
 285         return str;
 286 }
 287
 288 static char *
 289 qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
 290 {
 291         char un_str[10];
 292
 293         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 294             ha->fw_minor_version,
 295             ha->fw_subminor_version);
 296
 297         if (ha->fw_attributes & BIT_9) {
 298                 strcat(str, "FLX");
 299                 return (str);
 300         }
 301
 302         switch (ha->fw_attributes & 0xFF) {
 303         case 0x7:
 304                 strcat(str, "EF");
 305                 break;
 306         case 0x17:
 307                 strcat(str, "TP");
 308                 break;
 309         case 0x37:
 310                 strcat(str, "IP");
 311                 break;
 312         case 0x77:
 313                 strcat(str, "VI");
 314                 break;
 315         default:
 316                 sprintf(un_str, "(%x)", ha->fw_attributes);
 317                 strcat(str, un_str);
 318                 break;
 319         }
 320         if (ha->fw_attributes & 0x100)
 321                 strcat(str, "X");
 322
 323         return (str);
 324 }
 325
 326 static char *
 327 qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
 328 {
 329         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 330             ha->fw_minor_version,
 331             ha->fw_subminor_version);
 332
 333         if (ha->fw_attributes & BIT_0)
 334                 strcat(str, "[Class 2] ");
 335         if (ha->fw_attributes & BIT_1)
 336                 strcat(str, "[IP] ");
 337         if (ha->fw_attributes & BIT_2)
 338                 strcat(str, "[Multi-ID] ");
 339         if (ha->fw_attributes & BIT_3)
 340                 strcat(str, "[SB-2] ");
 341         if (ha->fw_attributes & BIT_4)
 342                 strcat(str, "[T10 CRC] ");
 343         if (ha->fw_attributes & BIT_5)
 344                 strcat(str, "[VI] ");
 345         if (ha->fw_attributes & BIT_13)
 346                 strcat(str, "[Experimental]");
 347         return str;
 348 }
 349
 350 static inline srb_t *
 351 qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
 352     struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 353 {
 354         srb_t *sp;
 355
 356         sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
 357         if (!sp)
 358                 return sp;
 359
 360         sp->ha = ha;
 361         sp->fcport = fcport;
 362         sp->cmd = cmd;
 363         sp->flags = 0;
 364         CMD_SP(cmd) = (void *)sp;
 365         cmd->scsi_done = done;
 366
 367         return sp;
 368 }
 369
 370 static int
 371 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 372 {
 373         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 374         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 375         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 376         srb_t *sp;
 377         int rval;
 378
 379         if (unlikely(pci_channel_offline(ha->pdev))) {
 380                 cmd->result = DID_REQUEUE << 16;
 381                 goto qc_fail_command;
 382         }
 383
 384         rval = fc_remote_port_chkready(rport);
 385         if (rval) {
 386                 cmd->result = rval;
 387                 goto qc_fail_command;
 388         }
 389
 390         /* Close window on fcport/rport state-transitioning. */
 391         if (!*(fc_port_t **)rport->dd_data) {
 392                 cmd->result = DID_IMM_RETRY << 16;
 393                 goto qc_fail_command;
 394         }
 395
 396         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 397                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 398                     atomic_read(&ha->loop_state) == LOOP_DEAD) {
 399                         cmd->result = DID_NO_CONNECT << 16;
 400                         goto qc_fail_command;
 401                 }
 402                 goto qc_host_busy;
 403         }
 404
 405         spin_unlock_irq(ha->host->host_lock);
 406
 407         sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
 408         if (!sp)
 409                 goto qc_host_busy_lock;
 410
 411         rval = qla2x00_start_scsi(sp);
 412         if (rval != QLA_SUCCESS)
 413                 goto qc_host_busy_free_sp;
 414
 415         spin_lock_irq(ha->host->host_lock);
 416
 417         return 0;
 418
 419 qc_host_busy_free_sp:
 420         qla2x00_sp_free_dma(ha, sp);
 421         mempool_free(sp, ha->srb_mempool);
 422
 423 qc_host_busy_lock:
 424         spin_lock_irq(ha->host->host_lock);
 425
 426 qc_host_busy:
 427         return SCSI_MLQUEUE_HOST_BUSY;
 428
 429 qc_fail_command:
 430         done(cmd);
 431
 432         return 0;
 433 }
 434
 435
 436 static int
 437 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 438 {
 439         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 440         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 441         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 442         srb_t *sp;
 443         int rval;
 444         scsi_qla_host_t *pha = to_qla_parent(ha);
 445
 446         if (unlikely(pci_channel_offline(ha->pdev))) {
 447                 cmd->result = DID_REQUEUE << 16;
 448                 goto qc24_fail_command;
 449         }
 450
 451         rval = fc_remote_port_chkready(rport);
 452         if (rval) {
 453                 cmd->result = rval;
 454                 goto qc24_fail_command;
 455         }
 456
 457         /* Close window on fcport/rport state-transitioning. */
 458         if (!*(fc_port_t **)rport->dd_data) {
 459                 cmd->result = DID_IMM_RETRY << 16;
 460                 goto qc24_fail_command;
 461         }
 462
 463         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 464                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 465                     atomic_read(&pha->loop_state) == LOOP_DEAD) {
 466                         cmd->result = DID_NO_CONNECT << 16;
 467                         goto qc24_fail_command;
 468                 }
 469                 goto qc24_host_busy;
 470         }
 471
 472         spin_unlock_irq(ha->host->host_lock);
 473
 474         sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
 475         if (!sp)
 476                 goto qc24_host_busy_lock;
 477
 478         rval = qla24xx_start_scsi(sp);
 479         if (rval != QLA_SUCCESS)
 480                 goto qc24_host_busy_free_sp;
 481
 482         spin_lock_irq(ha->host->host_lock);
 483
 484         return 0;
 485
 486 qc24_host_busy_free_sp:
 487         qla2x00_sp_free_dma(pha, sp);
 488         mempool_free(sp, pha->srb_mempool);
 489
 490 qc24_host_busy_lock:
 491         spin_lock_irq(ha->host->host_lock);
 492
 493 qc24_host_busy:
 494         return SCSI_MLQUEUE_HOST_BUSY;
 495
 496 qc24_fail_command:
 497         done(cmd);
 498
 499         return 0;
 500 }
 501
 502
 503 /*
 504  * qla2x00_eh_wait_on_command
 505  *    Waits for the command to be returned by the Firmware for some
 506  *    max time.
 507  *
 508  * Input:
 509  *    ha = actual ha whose done queue will contain the command
 510  *            returned by firmware.
 511  *    cmd = Scsi Command to wait on.
 512  *    flag = Abort/Reset(Bus or Device Reset)
 513  *
 514  * Return:
 515  *    Not Found : 0
 516  *    Found : 1
 517  */
 518 static int
 519 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
 520 {
 521 #define ABORT_POLLING_PERIOD    1000
 522 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 523         unsigned long wait_iter = ABORT_WAIT_ITER;
 524         int ret = QLA_SUCCESS;
 525
 526         while (CMD_SP(cmd)) {
 527                 msleep(ABORT_POLLING_PERIOD);
 528
 529                 if (--wait_iter)
 530                         break;
 531         }
 532         if (CMD_SP(cmd))
 533                 ret = QLA_FUNCTION_FAILED;
 534
 535         return ret;
 536 }
 537
 538 /*
 539  * qla2x00_wait_for_hba_online
 540  *    Wait till the HBA is online after going through
 541  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 542  *    finally HBA is disabled ie marked offline
 543  *
 544  * Input:
 545  *     ha - pointer to host adapter structure
 546  *
 547  * Note:
 548  *    Does context switching-Release SPIN_LOCK
 549  *    (if any) before calling this routine.
 550  *
 551  * Return:
 552  *    Success (Adapter is online) : 0
 553  *    Failed  (Adapter is offline/disabled) : 1
 554  */
 555 int
 556 qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
 557 {
 558         int             return_status;
 559         unsigned long   wait_online;
 560         scsi_qla_host_t *pha = to_qla_parent(ha);
 561
 562         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 563         while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
 564             test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
 565             test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
 566             pha->dpc_active) && time_before(jiffies, wait_online)) {
 567
 568                 msleep(1000);
 569         }
 570         if (pha->flags.online)
 571                 return_status = QLA_SUCCESS;
 572         else
 573                 return_status = QLA_FUNCTION_FAILED;
 574
 575         DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
 576
 577         return (return_status);
 578 }
 579
 580 /*
 581  * qla2x00_wait_for_loop_ready
 582  *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 583  *    to be in LOOP_READY state.
 584  * Input:
 585  *     ha - pointer to host adapter structure
 586  *
 587  * Note:
 588  *    Does context switching-Release SPIN_LOCK
 589  *    (if any) before calling this routine.
 590  *
 591  *
 592  * Return:
 593  *    Success (LOOP_READY) : 0
 594  *    Failed  (LOOP_NOT_READY) : 1
 595  */
 596 static inline int
 597 qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
 598 {
 599         int      return_status = QLA_SUCCESS;
 600         unsigned long loop_timeout ;
 601         scsi_qla_host_t *pha = to_qla_parent(ha);
 602
 603         /* wait for 5 min at the max for loop to be ready */
 604         loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 605
 606         while ((!atomic_read(&pha->loop_down_timer) &&
 607             atomic_read(&pha->loop_state) == LOOP_DOWN) ||
 608             atomic_read(&pha->loop_state) != LOOP_READY) {
 609                 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
 610                         return_status = QLA_FUNCTION_FAILED;
 611                         break;
 612                 }
 613                 msleep(1000);
 614                 if (time_after_eq(jiffies, loop_timeout)) {
 615                         return_status = QLA_FUNCTION_FAILED;
 616                         break;
 617                 }
 618         }
 619         return (return_status);
 620 }
 621
 622 static void
 623 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
 624 {
 625         struct Scsi_Host *shost = cmnd->device->host;
 626         struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
 627         unsigned long flags;
 628
 629         spin_lock_irqsave(shost->host_lock, flags);
 630         while (rport->port_state == FC_PORTSTATE_BLOCKED) {
 631                 spin_unlock_irqrestore(shost->host_lock, flags);
 632                 msleep(1000);
 633                 spin_lock_irqsave(shost->host_lock, flags);
 634         }
 635         spin_unlock_irqrestore(shost->host_lock, flags);
 636         return;
 637 }
 638
 639 /**************************************************************************
 640 * qla2xxx_eh_abort
 641 *
 642 * Description:
 643 *    The abort function will abort the specified command.
 644 *
 645 * Input:
 646 *    cmd = Linux SCSI command packet to be aborted.
 647 *
 648 * Returns:
 649 *    Either SUCCESS or FAILED.
 650 *
 651 * Note:
 652 *    Only return FAILED if command not returned by firmware.
 653 **************************************************************************/
 654 static int
 655 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 656 {
 657         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 658         srb_t *sp;
 659         int ret, i;
 660         unsigned int id, lun;
 661         unsigned long serial;
 662         unsigned long flags;
 663         int wait = 0;
 664         scsi_qla_host_t *pha = to_qla_parent(ha);
 665
 666         qla2x00_block_error_handler(cmd);
 667
 668         if (!CMD_SP(cmd))
 669                 return SUCCESS;
 670
 671         ret = SUCCESS;
 672
 673         id = cmd->device->id;
 674         lun = cmd->device->lun;
 675         serial = cmd->serial_number;
 676
 677         /* Check active list for command command. */
 678         spin_lock_irqsave(&pha->hardware_lock, flags);
 679         for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
 680                 sp = pha->outstanding_cmds[i];
 681
 682                 if (sp == NULL)
 683                         continue;
 684
 685                 if (sp->cmd != cmd)
 686                         continue;
 687
 688                 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
 689                     __func__, ha->host_no, sp, serial));
 690                 DEBUG3(qla2x00_print_scsi_cmd(cmd));
 691
 692                 spin_unlock_irqrestore(&pha->hardware_lock, flags);
 693                 if (ha->isp_ops->abort_command(ha, sp)) {
 694                         DEBUG2(printk("%s(%ld): abort_command "
 695                             "mbx failed.\n", __func__, ha->host_no));
 696                 } else {
 697                         DEBUG3(printk("%s(%ld): abort_command "
 698                             "mbx success.\n", __func__, ha->host_no));
 699                         wait = 1;
 700                 }
 701                 spin_lock_irqsave(&pha->hardware_lock, flags);
 702
 703                 break;
 704         }
 705         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 706
 707         /* Wait for the command to be returned. */
 708         if (wait) {
 709                 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
 710                         qla_printk(KERN_ERR, ha,
 711                             "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
 712                             "%x.\n", ha->host_no, id, lun, serial, ret);
 713                         ret = FAILED;
 714                 }
 715         }
 716
 717         qla_printk(KERN_INFO, ha,
 718             "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
 719             ha->host_no, id, lun, wait, serial, ret);
 720
 721         return ret;
 722 }
 723
 724 /**************************************************************************
 725 * qla2x00_eh_wait_for_pending_target_commands
 726 *
 727 * Description:
 728 *    Waits for all the commands to come back from the specified target.
 729 *
 730 * Input:
 731 *    ha - pointer to scsi_qla_host structure.
 732 *    t  - target
 733 * Returns:
 734 *    Either SUCCESS or FAILED.
 735 *
 736 * Note:
 737 **************************************************************************/
 738 static int
 739 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
 740 {
 741         int     cnt;
 742         int     status;
 743         srb_t           *sp;
 744         struct scsi_cmnd *cmd;
 745         unsigned long flags;
 746         scsi_qla_host_t *pha = to_qla_parent(ha);
 747
 748         status = 0;
 749
 750         /*
 751          * Waiting for all commands for the designated target in the active
 752          * array
 753          */
 754         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 755                 spin_lock_irqsave(&pha->hardware_lock, flags);
 756                 sp = pha->outstanding_cmds[cnt];
 757                 if (sp) {
 758                         cmd = sp->cmd;
 759                         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 760                         if (cmd->device->id == t &&
 761                             ha->vp_idx == sp->ha->vp_idx) {
 762                                 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
 763                                         status = 1;
 764                                         break;
 765                                 }
 766                         }
 767                 } else {
 768                         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 769                 }
 770         }
 771         return (status);
 772 }
 773
 774
 775 /**************************************************************************
 776 * qla2xxx_eh_device_reset
 777 *
 778 * Description:
 779 *    The device reset function will reset the target and abort any
 780 *    executing commands.
 781 *
 782 *    NOTE: The use of SP is undefined within this context.  Do *NOT*
 783 *          attempt to use this value, even if you determine it is
 784 *          non-null.
 785 *
 786 * Input:
 787 *    cmd = Linux SCSI command packet of the command that cause the
 788 *          bus device reset.
 789 *
 790 * Returns:
 791 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 792 *
 793 **************************************************************************/
 794 static int
 795 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
 796 {
 797         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 798         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 799         int ret = FAILED;
 800         unsigned int id, lun;
 801         unsigned long serial;
 802
 803         qla2x00_block_error_handler(cmd);
 804
 805         id = cmd->device->id;
 806         lun = cmd->device->lun;
 807         serial = cmd->serial_number;
 808
 809         if (!fcport)
 810                 return ret;
 811
 812         qla_printk(KERN_INFO, ha,
 813             "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
 814
 815         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 816                 goto eh_dev_reset_done;
 817
 818         if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
 819                 if (qla2x00_device_reset(ha, fcport) == 0)
 820                         ret = SUCCESS;
 821
 822 #if defined(LOGOUT_AFTER_DEVICE_RESET)
 823                 if (ret == SUCCESS) {
 824                         if (fcport->flags & FC_FABRIC_DEVICE) {
 825                                 ha->isp_ops->fabric_logout(ha, fcport->loop_id);
 826                                 qla2x00_mark_device_lost(ha, fcport, 0, 0);
 827                         }
 828                 }
 829 #endif
 830         } else {
 831                 DEBUG2(printk(KERN_INFO
 832                     "%s failed: loop not ready\n",__func__));
 833         }
 834
 835         if (ret == FAILED) {
 836                 DEBUG3(printk("%s(%ld): device reset failed\n",
 837                     __func__, ha->host_no));
 838                 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
 839                     __func__);
 840
 841                 goto eh_dev_reset_done;
 842         }
 843
 844         /* Flush outstanding commands. */
 845         if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
 846                 ret = FAILED;
 847         if (ret == FAILED) {
 848                 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
 849                     __func__, ha->host_no));
 850                 qla_printk(KERN_INFO, ha,
 851                     "%s: failed while waiting for commands\n", __func__);
 852         } else
 853                 qla_printk(KERN_INFO, ha,
 854                     "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
 855                     id, lun);
 856  eh_dev_reset_done:
 857         return ret;
 858 }
 859
 860 /**************************************************************************
 861 * qla2x00_eh_wait_for_pending_commands
 862 *
 863 * Description:
 864 *    Waits for all the commands to come back from the specified host.
 865 *
 866 * Input:
 867 *    ha - pointer to scsi_qla_host structure.
 868 *
 869 * Returns:
 870 *    1 : SUCCESS
 871 *    0 : FAILED
 872 *
 873 * Note:
 874 **************************************************************************/
 875 static int
 876 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
 877 {
 878         int     cnt;
 879         int     status;
 880         srb_t           *sp;
 881         struct scsi_cmnd *cmd;
 882         unsigned long flags;
 883
 884         status = 1;
 885
 886         /*
 887          * Waiting for all commands for the designated target in the active
 888          * array
 889          */
 890         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 891                 spin_lock_irqsave(&ha->hardware_lock, flags);
 892                 sp = ha->outstanding_cmds[cnt];
 893                 if (sp) {
 894                         cmd = sp->cmd;
 895                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 896                         status = qla2x00_eh_wait_on_command(ha, cmd);
 897                         if (status == 0)
 898                                 break;
 899                 }
 900                 else {
 901                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 902                 }
 903         }
 904         return (status);
 905 }
 906
 907
 908 /**************************************************************************
 909 * qla2xxx_eh_bus_reset
 910 *
 911 * Description:
 912 *    The bus reset function will reset the bus and abort any executing
 913 *    commands.
 914 *
 915 * Input:
 916 *    cmd = Linux SCSI command packet of the command that cause the
 917 *          bus reset.
 918 *
 919 * Returns:
 920 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 921 *
 922 **************************************************************************/
 923 static int
 924 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 925 {
 926         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 927         scsi_qla_host_t *pha = to_qla_parent(ha);
 928         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 929         int ret = FAILED;
 930         unsigned int id, lun;
 931         unsigned long serial;
 932
 933         qla2x00_block_error_handler(cmd);
 934
 935         id = cmd->device->id;
 936         lun = cmd->device->lun;
 937         serial = cmd->serial_number;
 938
 939         if (!fcport)
 940                 return ret;
 941
 942         qla_printk(KERN_INFO, ha,
 943             "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
 944
 945         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
 946                 DEBUG2(printk("%s failed:board disabled\n",__func__));
 947                 goto eh_bus_reset_done;
 948         }
 949
 950         if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
 951                 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
 952                         ret = SUCCESS;
 953         }
 954         if (ret == FAILED)
 955                 goto eh_bus_reset_done;
 956
 957         /* Flush outstanding commands. */
 958         if (!qla2x00_eh_wait_for_pending_commands(pha))
 959                 ret = FAILED;
 960
 961 eh_bus_reset_done:
 962         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
 963             (ret == FAILED) ? "failed" : "succeded");
 964
 965         return ret;
 966 }
 967
 968 /**************************************************************************
 969 * qla2xxx_eh_host_reset
 970 *
 971 * Description:
 972 *    The reset function will reset the Adapter.
 973 *
 974 * Input:
 975 *      cmd = Linux SCSI command packet of the command that cause the
 976 *            adapter reset.
 977 *
 978 * Returns:
 979 *      Either SUCCESS or FAILED.
 980 *
 981 * Note:
 982 **************************************************************************/
 983 static int
 984 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 985 {
 986         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 987         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 988         int ret = FAILED;
 989         unsigned int id, lun;
 990         unsigned long serial;
 991         scsi_qla_host_t *pha = to_qla_parent(ha);
 992
 993         qla2x00_block_error_handler(cmd);
 994
 995         id = cmd->device->id;
 996         lun = cmd->device->lun;
 997         serial = cmd->serial_number;
 998
 999         if (!fcport)
1000                 return ret;
1001
1002         qla_printk(KERN_INFO, ha,
1003             "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1004
1005         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1006                 goto eh_host_reset_lock;
1007
1008         /*
1009          * Fixme-may be dpc thread is active and processing
1010          * loop_resync,so wait a while for it to
1011          * be completed and then issue big hammer.Otherwise
1012          * it may cause I/O failure as big hammer marks the
1013          * devices as lost kicking of the port_down_timer
1014          * while dpc is stuck for the mailbox to complete.
1015          */
1016         qla2x00_wait_for_loop_ready(ha);
1017         set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1018         if (qla2x00_abort_isp(pha)) {
1019                 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1020                 /* failed. schedule dpc to try */
1021                 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1022
1023                 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1024                         goto eh_host_reset_lock;
1025         }
1026         clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1027
1028         /* Waiting for our command in done_queue to be returned to OS.*/
1029         if (qla2x00_eh_wait_for_pending_commands(pha))
1030                 ret = SUCCESS;
1031
1032         if (ha->parent)
1033                 qla2x00_vp_abort_isp(ha);
1034
1035 eh_host_reset_lock:
1036         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1037             (ret == FAILED) ? "failed" : "succeded");
1038
1039         return ret;
1040 }
1041
1042 /*
1043 * qla2x00_loop_reset
1044 *      Issue loop reset.
1045 *
1046 * Input:
1047 *      ha = adapter block pointer.
1048 *
1049 * Returns:
1050 *      0 = success
1051 */
1052 int
1053 qla2x00_loop_reset(scsi_qla_host_t *ha)
1054 {
1055         int ret;
1056         struct fc_port *fcport;
1057
1058         if (ha->flags.enable_lip_full_login) {
1059                 ret = qla2x00_full_login_lip(ha);
1060                 if (ret != QLA_SUCCESS) {
1061                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1062                             "full_login_lip=%d.\n", __func__, ha->host_no,
1063                             ret));
1064                 }
1065                 atomic_set(&ha->loop_state, LOOP_DOWN);
1066                 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1067                 qla2x00_mark_all_devices_lost(ha, 0);
1068                 qla2x00_wait_for_loop_ready(ha);
1069         }
1070
1071         if (ha->flags.enable_lip_reset) {
1072                 ret = qla2x00_lip_reset(ha);
1073                 if (ret != QLA_SUCCESS) {
1074                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1075                             "lip_reset=%d.\n", __func__, ha->host_no, ret));
1076                 }
1077                 qla2x00_wait_for_loop_ready(ha);
1078         }
1079
1080         if (ha->flags.enable_target_reset) {
1081                 list_for_each_entry(fcport, &ha->fcports, list) {
1082                         if (fcport->port_type != FCT_TARGET)
1083                                 continue;
1084
1085                         ret = qla2x00_device_reset(ha, fcport);
1086                         if (ret != QLA_SUCCESS) {
1087                                 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1088                                     "target_reset=%d d_id=%x.\n", __func__,
1089                                     ha->host_no, ret, fcport->d_id.b24));
1090                         }
1091                 }
1092         }
1093
1094         /* Issue marker command only when we are going to start the I/O */
1095         ha->marker_needed = 1;
1096
1097         return QLA_SUCCESS;
1098 }
1099
1100 /*
1101  * qla2x00_device_reset
1102  *      Issue bus device reset message to the target.
1103  *
1104  * Input:
1105  *      ha = adapter block pointer.
1106  *      t = SCSI ID.
1107  *      TARGET_QUEUE_LOCK must be released.
1108  *      ADAPTER_STATE_LOCK must be released.
1109  *
1110  * Context:
1111  *      Kernel context.
1112  */
1113 static int
1114 qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1115 {
1116         /* Abort Target command will clear Reservation */
1117         return ha->isp_ops->abort_target(reset_fcport);
1118 }
1119
1120 static int
1121 qla2xxx_slave_alloc(struct scsi_device *sdev)
1122 {
1123         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1124
1125         if (!rport || fc_remote_port_chkready(rport))
1126                 return -ENXIO;
1127
1128         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1129
1130         return 0;
1131 }
1132
1133 static int
1134 qla2xxx_slave_configure(struct scsi_device *sdev)
1135 {
1136         scsi_qla_host_t *ha = shost_priv(sdev->host);
1137         struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1138
1139         if (sdev->tagged_supported)
1140                 scsi_activate_tcq(sdev, ha->max_q_depth);
1141         else
1142                 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1143
1144         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1145
1146         return 0;
1147 }
1148
1149 static void
1150 qla2xxx_slave_destroy(struct scsi_device *sdev)
1151 {
1152         sdev->hostdata = NULL;
1153 }
1154
1155 static int
1156 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1157 {
1158         scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1159         return sdev->queue_depth;
1160 }
1161
1162 static int
1163 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1164 {
1165         if (sdev->tagged_supported) {
1166                 scsi_set_tag_type(sdev, tag_type);
1167                 if (tag_type)
1168                         scsi_activate_tcq(sdev, sdev->queue_depth);
1169                 else
1170                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1171         } else
1172                 tag_type = 0;
1173
1174         return tag_type;
1175 }
1176
1177 /**
1178  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1179  * @ha: HA context
1180  *
1181  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1182  * supported addressing method.
1183  */
1184 static void
1185 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1186 {
1187         /* Assume a 32bit DMA mask. */
1188         ha->flags.enable_64bit_addressing = 0;
1189
1190         if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1191                 /* Any upper-dword bits set? */
1192                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1193                     !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1194                         /* Ok, a 64bit DMA mask is applicable. */
1195                         ha->flags.enable_64bit_addressing = 1;
1196                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1197                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1198                         return;
1199                 }
1200         }
1201
1202         dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1203         pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1204 }
1205
1206 static void
1207 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1208 {
1209         unsigned long flags = 0;
1210         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1211
1212         spin_lock_irqsave(&ha->hardware_lock, flags);
1213         ha->interrupts_on = 1;
1214         /* enable risc and host interrupts */
1215         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1216         RD_REG_WORD(&reg->ictrl);
1217         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1218
1219 }
1220
1221 static void
1222 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1223 {
1224         unsigned long flags = 0;
1225         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1226
1227         spin_lock_irqsave(&ha->hardware_lock, flags);
1228         ha->interrupts_on = 0;
1229         /* disable risc and host interrupts */
1230         WRT_REG_WORD(&reg->ictrl, 0);
1231         RD_REG_WORD(&reg->ictrl);
1232         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1233 }
1234
1235 static void
1236 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1237 {
1238         unsigned long flags = 0;
1239         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1240
1241         spin_lock_irqsave(&ha->hardware_lock, flags);
1242         ha->interrupts_on = 1;
1243         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1244         RD_REG_DWORD(&reg->ictrl);
1245         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1246 }
1247
1248 static void
1249 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1250 {
1251         unsigned long flags = 0;
1252         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1253
1254         spin_lock_irqsave(&ha->hardware_lock, flags);
1255         ha->interrupts_on = 0;
1256         WRT_REG_DWORD(&reg->ictrl, 0);
1257         RD_REG_DWORD(&reg->ictrl);
1258         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1259 }
1260
1261 static struct isp_operations qla2100_isp_ops = {
1262         .pci_config             = qla2100_pci_config,
1263         .reset_chip             = qla2x00_reset_chip,
1264         .chip_diag              = qla2x00_chip_diag,
1265         .config_rings           = qla2x00_config_rings,
1266         .reset_adapter          = qla2x00_reset_adapter,
1267         .nvram_config           = qla2x00_nvram_config,
1268         .update_fw_options      = qla2x00_update_fw_options,
1269         .load_risc              = qla2x00_load_risc,
1270         .pci_info_str           = qla2x00_pci_info_str,
1271         .fw_version_str         = qla2x00_fw_version_str,
1272         .intr_handler           = qla2100_intr_handler,
1273         .enable_intrs           = qla2x00_enable_intrs,
1274         .disable_intrs          = qla2x00_disable_intrs,
1275         .abort_command          = qla2x00_abort_command,
1276         .abort_target           = qla2x00_abort_target,
1277         .fabric_login           = qla2x00_login_fabric,
1278         .fabric_logout          = qla2x00_fabric_logout,
1279         .calc_req_entries       = qla2x00_calc_iocbs_32,
1280         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1281         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1282         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1283         .read_nvram             = qla2x00_read_nvram_data,
1284         .write_nvram            = qla2x00_write_nvram_data,
1285         .fw_dump                = qla2100_fw_dump,
1286         .beacon_on              = NULL,
1287         .beacon_off             = NULL,
1288         .beacon_blink           = NULL,
1289         .read_optrom            = qla2x00_read_optrom_data,
1290         .write_optrom           = qla2x00_write_optrom_data,
1291         .get_flash_version      = qla2x00_get_flash_version,
1292 };
1293
1294 static struct isp_operations qla2300_isp_ops = {
1295         .pci_config             = qla2300_pci_config,
1296         .reset_chip             = qla2x00_reset_chip,
1297         .chip_diag              = qla2x00_chip_diag,
1298         .config_rings           = qla2x00_config_rings,
1299         .reset_adapter          = qla2x00_reset_adapter,
1300         .nvram_config           = qla2x00_nvram_config,
1301         .update_fw_options      = qla2x00_update_fw_options,
1302         .load_risc              = qla2x00_load_risc,
1303         .pci_info_str           = qla2x00_pci_info_str,
1304         .fw_version_str         = qla2x00_fw_version_str,
1305         .intr_handler           = qla2300_intr_handler,
1306         .enable_intrs           = qla2x00_enable_intrs,
1307         .disable_intrs          = qla2x00_disable_intrs,
1308         .abort_command          = qla2x00_abort_command,
1309         .abort_target           = qla2x00_abort_target,
1310         .fabric_login           = qla2x00_login_fabric,
1311         .fabric_logout          = qla2x00_fabric_logout,
1312         .calc_req_entries       = qla2x00_calc_iocbs_32,
1313         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1314         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1315         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1316         .read_nvram             = qla2x00_read_nvram_data,
1317         .write_nvram            = qla2x00_write_nvram_data,
1318         .fw_dump                = qla2300_fw_dump,
1319         .beacon_on              = qla2x00_beacon_on,
1320         .beacon_off             = qla2x00_beacon_off,
1321         .beacon_blink           = qla2x00_beacon_blink,
1322         .read_optrom            = qla2x00_read_optrom_data,
1323         .write_optrom           = qla2x00_write_optrom_data,
1324         .get_flash_version      = qla2x00_get_flash_version,
1325 };
1326
1327 static struct isp_operations qla24xx_isp_ops = {
1328         .pci_config             = qla24xx_pci_config,
1329         .reset_chip             = qla24xx_reset_chip,
1330         .chip_diag              = qla24xx_chip_diag,
1331         .config_rings           = qla24xx_config_rings,
1332         .reset_adapter          = qla24xx_reset_adapter,
1333         .nvram_config           = qla24xx_nvram_config,
1334         .update_fw_options      = qla24xx_update_fw_options,
1335         .load_risc              = qla24xx_load_risc,
1336         .pci_info_str           = qla24xx_pci_info_str,
1337         .fw_version_str         = qla24xx_fw_version_str,
1338         .intr_handler           = qla24xx_intr_handler,
1339         .enable_intrs           = qla24xx_enable_intrs,
1340         .disable_intrs          = qla24xx_disable_intrs,
1341         .abort_command          = qla24xx_abort_command,
1342         .abort_target           = qla24xx_abort_target,
1343         .fabric_login           = qla24xx_login_fabric,
1344         .fabric_logout          = qla24xx_fabric_logout,
1345         .calc_req_entries       = NULL,
1346         .build_iocbs            = NULL,
1347         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1348         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1349         .read_nvram             = qla24xx_read_nvram_data,
1350         .write_nvram            = qla24xx_write_nvram_data,
1351         .fw_dump                = qla24xx_fw_dump,
1352         .beacon_on              = qla24xx_beacon_on,
1353         .beacon_off             = qla24xx_beacon_off,
1354         .beacon_blink           = qla24xx_beacon_blink,
1355         .read_optrom            = qla24xx_read_optrom_data,
1356         .write_optrom           = qla24xx_write_optrom_data,
1357         .get_flash_version      = qla24xx_get_flash_version,
1358 };
1359
1360 static struct isp_operations qla25xx_isp_ops = {
1361         .pci_config             = qla25xx_pci_config,
1362         .reset_chip             = qla24xx_reset_chip,
1363         .chip_diag              = qla24xx_chip_diag,
1364         .config_rings           = qla24xx_config_rings,
1365         .reset_adapter          = qla24xx_reset_adapter,
1366         .nvram_config           = qla24xx_nvram_config,
1367         .update_fw_options      = qla24xx_update_fw_options,
1368         .load_risc              = qla24xx_load_risc,
1369         .pci_info_str           = qla24xx_pci_info_str,
1370         .fw_version_str         = qla24xx_fw_version_str,
1371         .intr_handler           = qla24xx_intr_handler,
1372         .enable_intrs           = qla24xx_enable_intrs,
1373         .disable_intrs          = qla24xx_disable_intrs,
1374         .abort_command          = qla24xx_abort_command,
1375         .abort_target           = qla24xx_abort_target,
1376         .fabric_login           = qla24xx_login_fabric,
1377         .fabric_logout          = qla24xx_fabric_logout,
1378         .calc_req_entries       = NULL,
1379         .build_iocbs            = NULL,
1380         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1381         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1382         .read_nvram             = qla25xx_read_nvram_data,
1383         .write_nvram            = qla25xx_write_nvram_data,
1384         .fw_dump                = qla25xx_fw_dump,
1385         .beacon_on              = qla24xx_beacon_on,
1386         .beacon_off             = qla24xx_beacon_off,
1387         .beacon_blink           = qla24xx_beacon_blink,
1388         .read_optrom            = qla25xx_read_optrom_data,
1389         .write_optrom           = qla24xx_write_optrom_data,
1390         .get_flash_version      = qla24xx_get_flash_version,
1391 };
1392
1393 static inline void
1394 qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1395 {
1396         ha->device_type = DT_EXTENDED_IDS;
1397         switch (ha->pdev->device) {
1398         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1399                 ha->device_type |= DT_ISP2100;
1400                 ha->device_type &= ~DT_EXTENDED_IDS;
1401                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1402                 break;
1403         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1404                 ha->device_type |= DT_ISP2200;
1405                 ha->device_type &= ~DT_EXTENDED_IDS;
1406                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1407                 break;
1408         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1409                 ha->device_type |= DT_ISP2300;
1410                 ha->device_type |= DT_ZIO_SUPPORTED;
1411                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1412                 break;
1413         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1414                 ha->device_type |= DT_ISP2312;
1415                 ha->device_type |= DT_ZIO_SUPPORTED;
1416                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1417                 break;
1418         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1419                 ha->device_type |= DT_ISP2322;
1420                 ha->device_type |= DT_ZIO_SUPPORTED;
1421                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1422                     ha->pdev->subsystem_device == 0x0170)
1423                         ha->device_type |= DT_OEM_001;
1424                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1425                 break;
1426         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1427                 ha->device_type |= DT_ISP6312;
1428                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1429                 break;
1430         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1431                 ha->device_type |= DT_ISP6322;
1432                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1433                 break;
1434         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1435                 ha->device_type |= DT_ISP2422;
1436                 ha->device_type |= DT_ZIO_SUPPORTED;
1437                 ha->device_type |= DT_FWI2;
1438                 ha->device_type |= DT_IIDMA;
1439                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1440                 break;
1441         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1442                 ha->device_type |= DT_ISP2432;
1443                 ha->device_type |= DT_ZIO_SUPPORTED;
1444                 ha->device_type |= DT_FWI2;
1445                 ha->device_type |= DT_IIDMA;
1446                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1447                 break;
1448         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1449                 ha->device_type |= DT_ISP5422;
1450                 ha->device_type |= DT_FWI2;
1451                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1452                 break;
1453         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1454                 ha->device_type |= DT_ISP5432;
1455                 ha->device_type |= DT_FWI2;
1456                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1457                 break;
1458         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1459                 ha->device_type |= DT_ISP2532;
1460                 ha->device_type |= DT_ZIO_SUPPORTED;
1461                 ha->device_type |= DT_FWI2;
1462                 ha->device_type |= DT_IIDMA;
1463                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1464                 break;
1465         }
1466 }
1467
1468 static int
1469 qla2x00_iospace_config(scsi_qla_host_t *ha)
1470 {
1471         resource_size_t pio;
1472
1473         if (pci_request_selected_regions(ha->pdev, ha->bars,
1474             QLA2XXX_DRIVER_NAME)) {
1475                 qla_printk(KERN_WARNING, ha,
1476                     "Failed to reserve PIO/MMIO regions (%s)\n",
1477                     pci_name(ha->pdev));
1478
1479                 goto iospace_error_exit;
1480         }
1481         if (!(ha->bars & 1))
1482                 goto skip_pio;
1483
1484         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1485         pio = pci_resource_start(ha->pdev, 0);
1486         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1487                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1488                         qla_printk(KERN_WARNING, ha,
1489                             "Invalid PCI I/O region size (%s)...\n",
1490                                 pci_name(ha->pdev));
1491                         pio = 0;
1492                 }
1493         } else {
1494                 qla_printk(KERN_WARNING, ha,
1495                     "region #0 not a PIO resource (%s)...\n",
1496                     pci_name(ha->pdev));
1497                 pio = 0;
1498         }
1499         ha->pio_address = pio;
1500
1501 skip_pio:
1502         /* Use MMIO operations for all accesses. */
1503         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1504                 qla_printk(KERN_ERR, ha,
1505                     "region #1 not an MMIO resource (%s), aborting\n",
1506                     pci_name(ha->pdev));
1507                 goto iospace_error_exit;
1508         }
1509         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1510                 qla_printk(KERN_ERR, ha,
1511                     "Invalid PCI mem region size (%s), aborting\n",
1512                         pci_name(ha->pdev));
1513                 goto iospace_error_exit;
1514         }
1515
1516         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1517         if (!ha->iobase) {
1518                 qla_printk(KERN_ERR, ha,
1519                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1520
1521                 goto iospace_error_exit;
1522         }
1523
1524         return (0);
1525
1526 iospace_error_exit:
1527         return (-ENOMEM);
1528 }
1529
1530 static void
1531 qla2xxx_scan_start(struct Scsi_Host *shost)
1532 {
1533         scsi_qla_host_t *ha = shost_priv(shost);
1534
1535         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1536         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1537         set_bit(RSCN_UPDATE, &ha->dpc_flags);
1538 }
1539
1540 static int
1541 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1542 {
1543         scsi_qla_host_t *ha = shost_priv(shost);
1544
1545         if (!ha->host)
1546                 return 1;
1547         if (time > ha->loop_reset_delay * HZ)
1548                 return 1;
1549
1550         return atomic_read(&ha->loop_state) == LOOP_READY;
1551 }
1552
1553 /*
1554  * PCI driver interface
1555  */
1556 static int __devinit
1557 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1558 {
1559         int     ret = -ENODEV;
1560         device_reg_t __iomem *reg;
1561         struct Scsi_Host *host;
1562         scsi_qla_host_t *ha;
1563         unsigned long   flags = 0;
1564         char pci_info[30];
1565         char fw_str[30];
1566         struct scsi_host_template *sht;
1567         int bars;
1568
1569         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1570         sht = &qla2x00_driver_template;
1571         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1572             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1573             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1574             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1575             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1576                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1577                 sht = &qla24xx_driver_template;
1578         }
1579
1580         if (pci_enable_device_bars(pdev, bars))
1581                 goto probe_out;
1582
1583         if (pci_find_aer_capability(pdev))
1584                 if (pci_enable_pcie_error_reporting(pdev))
1585                         goto probe_out;
1586
1587         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1588         if (host == NULL) {
1589                 printk(KERN_WARNING
1590                     "qla2xxx: Couldn't allocate host from scsi layer!\n");
1591                 goto probe_disable_device;
1592         }
1593
1594         /* Clear our data area */
1595         ha = shost_priv(host);
1596         memset(ha, 0, sizeof(scsi_qla_host_t));
1597
1598         ha->pdev = pdev;
1599         ha->host = host;
1600         ha->host_no = host->host_no;
1601         sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
1602         ha->parent = NULL;
1603         ha->bars = bars;
1604
1605         /* Set ISP-type information. */
1606         qla2x00_set_isp_flags(ha);
1607
1608         /* Configure PCI I/O space */
1609         ret = qla2x00_iospace_config(ha);
1610         if (ret)
1611                 goto probe_failed;
1612
1613         qla_printk(KERN_INFO, ha,
1614             "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1615             ha->iobase);
1616
1617         spin_lock_init(&ha->hardware_lock);
1618
1619         ha->prev_topology = 0;
1620         ha->init_cb_size = sizeof(init_cb_t);
1621         ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
1622         ha->link_data_rate = PORT_SPEED_UNKNOWN;
1623         ha->optrom_size = OPTROM_SIZE_2300;
1624
1625         ha->max_q_depth = MAX_Q_DEPTH;
1626         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1627                 ha->max_q_depth = ql2xmaxqdepth;
1628
1629         /* Assign ISP specific operations. */
1630         if (IS_QLA2100(ha)) {
1631                 host->max_id = MAX_TARGETS_2100;
1632                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1633                 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1634                 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1635                 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1636                 host->sg_tablesize = 32;
1637                 ha->gid_list_info_size = 4;
1638                 ha->isp_ops = &qla2100_isp_ops;
1639         } else if (IS_QLA2200(ha)) {
1640                 host->max_id = MAX_TARGETS_2200;
1641                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1642                 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1643                 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1644                 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1645                 ha->gid_list_info_size = 4;
1646                 ha->isp_ops = &qla2100_isp_ops;
1647         } else if (IS_QLA23XX(ha)) {
1648                 host->max_id = MAX_TARGETS_2200;
1649                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1650                 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1651                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1652                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1653                 ha->gid_list_info_size = 6;
1654                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1655                         ha->optrom_size = OPTROM_SIZE_2322;
1656                 ha->isp_ops = &qla2300_isp_ops;
1657         } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1658                 host->max_id = MAX_TARGETS_2200;
1659                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1660                 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1661                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1662                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1663                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1664                 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1665                 ha->gid_list_info_size = 8;
1666                 ha->optrom_size = OPTROM_SIZE_24XX;
1667                 ha->isp_ops = &qla24xx_isp_ops;
1668         } else if (IS_QLA25XX(ha)) {
1669                 host->max_id = MAX_TARGETS_2200;
1670                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1671                 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1672                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1673                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1674                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1675                 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1676                 ha->gid_list_info_size = 8;
1677                 ha->optrom_size = OPTROM_SIZE_25XX;
1678                 ha->isp_ops = &qla25xx_isp_ops;
1679         }
1680         host->can_queue = ha->request_q_length + 128;
1681
1682         /* load the F/W, read paramaters, and init the H/W */
1683         ha->instance = num_hosts;
1684
1685         init_MUTEX(&ha->vport_sem);
1686         init_completion(&ha->mbx_cmd_comp);
1687         complete(&ha->mbx_cmd_comp);
1688         init_completion(&ha->mbx_intr_comp);
1689
1690         INIT_LIST_HEAD(&ha->list);
1691         INIT_LIST_HEAD(&ha->fcports);
1692         INIT_LIST_HEAD(&ha->vp_list);
1693
1694         set_bit(0, (unsigned long *) ha->vp_idx_map);
1695
1696         qla2x00_config_dma_addressing(ha);
1697         if (qla2x00_mem_alloc(ha)) {
1698                 qla_printk(KERN_WARNING, ha,
1699                     "[ERROR] Failed to allocate memory for adapter\n");
1700
1701                 ret = -ENOMEM;
1702                 goto probe_failed;
1703         }
1704
1705         if (qla2x00_initialize_adapter(ha)) {
1706                 qla_printk(KERN_WARNING, ha,
1707                     "Failed to initialize adapter\n");
1708
1709                 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1710                     "Adapter flags %x.\n",
1711                     ha->host_no, ha->device_flags));
1712
1713                 ret = -ENODEV;
1714                 goto probe_failed;
1715         }
1716
1717         /*
1718          * Startup the kernel thread for this host adapter
1719          */
1720         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1721                         "%s_dpc", ha->host_str);
1722         if (IS_ERR(ha->dpc_thread)) {
1723                 qla_printk(KERN_WARNING, ha,
1724                     "Unable to start DPC thread!\n");
1725                 ret = PTR_ERR(ha->dpc_thread);
1726                 goto probe_failed;
1727         }
1728
1729         host->this_id = 255;
1730         host->cmd_per_lun = 3;
1731         host->unique_id = ha->instance;
1732         host->max_cmd_len = MAX_CMDSZ;
1733         host->max_channel = MAX_BUSES - 1;
1734         host->max_lun = MAX_LUNS;
1735         host->transportt = qla2xxx_transport_template;
1736
1737         ret = qla2x00_request_irqs(ha);
1738         if (ret)
1739                 goto probe_failed;
1740
1741         /* Initialized the timer */
1742         qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1743
1744         DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1745             ha->host_no, ha));
1746
1747         ha->isp_ops->disable_intrs(ha);
1748
1749         spin_lock_irqsave(&ha->hardware_lock, flags);
1750         reg = ha->iobase;
1751         if (IS_FWI2_CAPABLE(ha)) {
1752                 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
1753                 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
1754         } else {
1755                 WRT_REG_WORD(&reg->isp.semaphore, 0);
1756                 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_RISC_INT);
1757                 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_HOST_INT);
1758
1759                 /* Enable proper parity */
1760                 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1761                         if (IS_QLA2300(ha))
1762                                 /* SRAM parity */
1763                                 WRT_REG_WORD(&reg->isp.hccr,
1764                                     (HCCR_ENABLE_PARITY + 0x1));
1765                         else
1766                                 /* SRAM, Instruction RAM and GP RAM parity */
1767                                 WRT_REG_WORD(&reg->isp.hccr,
1768                                     (HCCR_ENABLE_PARITY + 0x7));
1769                 }
1770         }
1771         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1772
1773         ha->isp_ops->enable_intrs(ha);
1774
1775         pci_set_drvdata(pdev, ha);
1776
1777         ha->flags.init_done = 1;
1778         ha->flags.online = 1;
1779
1780         num_hosts++;
1781
1782         ret = scsi_add_host(host, &pdev->dev);
1783         if (ret)
1784                 goto probe_failed;
1785
1786         scsi_scan_host(host);
1787
1788         qla2x00_alloc_sysfs_attr(ha);
1789
1790         qla2x00_init_host_attr(ha);
1791
1792         qla2x00_dfs_setup(ha);
1793
1794         qla_printk(KERN_INFO, ha, "\n"
1795             " QLogic Fibre Channel HBA Driver: %s\n"
1796             "  QLogic %s - %s\n"
1797             "  ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1798             qla2x00_version_str, ha->model_number,
1799             ha->model_desc ? ha->model_desc: "", pdev->device,
1800             ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
1801             ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1802             ha->isp_ops->fw_version_str(ha, fw_str));
1803
1804         return 0;
1805
1806 probe_failed:
1807         qla2x00_free_device(ha);
1808
1809         scsi_host_put(host);
1810
1811 probe_disable_device:
1812         pci_disable_device(pdev);
1813
1814 probe_out:
1815         return ret;
1816 }
1817
1818 static void
1819 qla2x00_remove_one(struct pci_dev *pdev)
1820 {
1821         scsi_qla_host_t *ha;
1822
1823         ha = pci_get_drvdata(pdev);
1824
1825         qla2x00_dfs_remove(ha);
1826
1827         qla2x00_free_sysfs_attr(ha);
1828
1829         fc_remove_host(ha->host);
1830
1831         scsi_remove_host(ha->host);
1832
1833         qla2x00_free_device(ha);
1834
1835         scsi_host_put(ha->host);
1836
1837         pci_disable_device(pdev);
1838         pci_set_drvdata(pdev, NULL);
1839 }
1840
1841 static void
1842 qla2x00_free_device(scsi_qla_host_t *ha)
1843 {
1844         /* Disable timer */
1845         if (ha->timer_active)
1846                 qla2x00_stop_timer(ha);
1847
1848         /* Kill the kernel thread for this host */
1849         if (ha->dpc_thread) {
1850                 struct task_struct *t = ha->dpc_thread;
1851
1852                 /*
1853                  * qla2xxx_wake_dpc checks for ->dpc_thread
1854                  * so we need to zero it out.
1855                  */
1856                 ha->dpc_thread = NULL;
1857                 kthread_stop(t);
1858         }
1859
1860         if (ha->flags.fce_enabled)
1861                 qla2x00_disable_fce_trace(ha, NULL, NULL);
1862
1863         if (ha->eft)
1864                 qla2x00_disable_eft_trace(ha);
1865
1866         ha->flags.online = 0;
1867
1868         /* Stop currently executing firmware. */
1869         qla2x00_try_to_stop_firmware(ha);
1870
1871         /* turn-off interrupts on the card */
1872         if (ha->interrupts_on)
1873                 ha->isp_ops->disable_intrs(ha);
1874
1875         qla2x00_mem_free(ha);
1876
1877         qla2x00_free_irqs(ha);
1878
1879         /* release io space registers  */
1880         if (ha->iobase)
1881                 iounmap(ha->iobase);
1882         pci_release_selected_regions(ha->pdev, ha->bars);
1883 }
1884
1885 static inline void
1886 qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1887     int defer)
1888 {
1889         unsigned long flags;
1890         struct fc_rport *rport;
1891
1892         if (!fcport->rport)
1893                 return;
1894
1895         rport = fcport->rport;
1896         if (defer) {
1897                 spin_lock_irqsave(&fcport->rport_lock, flags);
1898                 fcport->drport = rport;
1899                 fcport->rport = NULL;
1900                 *(fc_port_t **)rport->dd_data = NULL;
1901                 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1902                 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1903         } else {
1904                 spin_lock_irqsave(&fcport->rport_lock, flags);
1905                 fcport->rport = NULL;
1906                 *(fc_port_t **)rport->dd_data = NULL;
1907                 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1908                 fc_remote_port_delete(rport);
1909         }
1910 }
1911
1912 /*
1913  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1914  *
1915  * Input: ha = adapter block pointer.  fcport = port structure pointer.
1916  *
1917  * Return: None.
1918  *
1919  * Context:
1920  */
1921 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1922     int do_login, int defer)
1923 {
1924         if (atomic_read(&fcport->state) == FCS_ONLINE &&
1925             ha->vp_idx == fcport->vp_idx)
1926                 qla2x00_schedule_rport_del(ha, fcport, defer);
1927
1928         /*
1929          * We may need to retry the login, so don't change the state of the
1930          * port but do the retries.
1931          */
1932         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1933                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1934
1935         if (!do_login)
1936                 return;
1937
1938         if (fcport->login_retry == 0) {
1939                 fcport->login_retry = ha->login_retry_count;
1940                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1941
1942                 DEBUG(printk("scsi(%ld): Port login retry: "
1943                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
1944                     "id = 0x%04x retry cnt=%d\n",
1945                     ha->host_no,
1946                     fcport->port_name[0],
1947                     fcport->port_name[1],
1948                     fcport->port_name[2],
1949                     fcport->port_name[3],
1950                     fcport->port_name[4],
1951                     fcport->port_name[5],
1952                     fcport->port_name[6],
1953                     fcport->port_name[7],
1954                     fcport->loop_id,
1955                     fcport->login_retry));
1956         }
1957 }
1958
1959 /*
1960  * qla2x00_mark_all_devices_lost
1961  *      Updates fcport state when device goes offline.
1962  *
1963  * Input:
1964  *      ha = adapter block pointer.
1965  *      fcport = port structure pointer.
1966  *
1967  * Return:
1968  *      None.
1969  *
1970  * Context:
1971  */
1972 void
1973 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1974 {
1975         fc_port_t *fcport;
1976         scsi_qla_host_t *pha = to_qla_parent(ha);
1977
1978         list_for_each_entry(fcport, &pha->fcports, list) {
1979                 if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
1980                         continue;
1981                 /*
1982                  * No point in marking the device as lost, if the device is
1983                  * already DEAD.
1984                  */
1985                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1986                         continue;
1987                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1988                         if (defer)
1989                                 qla2x00_schedule_rport_del(ha, fcport, defer);
1990                         else if (ha->vp_idx == fcport->vp_idx)
1991                                 qla2x00_schedule_rport_del(ha, fcport, defer);
1992                 }
1993                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1994         }
1995
1996         if (defer)
1997                 qla2xxx_wake_dpc(ha);
1998 }
1999
2000 /*
2001 * qla2x00_mem_alloc
2002 *      Allocates adapter memory.
2003 *
2004 * Returns:
2005 *      0  = success.
2006 *      1  = failure.
2007 */
2008 static uint8_t
2009 qla2x00_mem_alloc(scsi_qla_host_t *ha)
2010 {
2011         char    name[16];
2012         uint8_t   status = 1;
2013         int     retry= 10;
2014
2015         do {
2016                 /*
2017                  * This will loop only once if everything goes well, else some
2018                  * number of retries will be performed to get around a kernel
2019                  * bug where available mem is not allocated until after a
2020                  * little delay and a retry.
2021                  */
2022                 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
2023                     (ha->request_q_length + 1) * sizeof(request_t),
2024                     &ha->request_dma, GFP_KERNEL);
2025                 if (ha->request_ring == NULL) {
2026                         qla_printk(KERN_WARNING, ha,
2027                             "Memory Allocation failed - request_ring\n");
2028
2029                         qla2x00_mem_free(ha);
2030                         msleep(100);
2031
2032                         continue;
2033                 }
2034
2035                 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
2036                     (ha->response_q_length + 1) * sizeof(response_t),
2037                     &ha->response_dma, GFP_KERNEL);
2038                 if (ha->response_ring == NULL) {
2039                         qla_printk(KERN_WARNING, ha,
2040                             "Memory Allocation failed - response_ring\n");
2041
2042                         qla2x00_mem_free(ha);
2043                         msleep(100);
2044
2045                         continue;
2046                 }
2047
2048                 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2049                     &ha->gid_list_dma, GFP_KERNEL);
2050                 if (ha->gid_list == NULL) {
2051                         qla_printk(KERN_WARNING, ha,
2052                             "Memory Allocation failed - gid_list\n");
2053
2054                         qla2x00_mem_free(ha);
2055                         msleep(100);
2056
2057                         continue;
2058                 }
2059
2060                 /* get consistent memory allocated for init control block */
2061                 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev,
2062                     ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL);
2063                 if (ha->init_cb == NULL) {
2064                         qla_printk(KERN_WARNING, ha,
2065                             "Memory Allocation failed - init_cb\n");
2066
2067                         qla2x00_mem_free(ha);
2068                         msleep(100);
2069
2070                         continue;
2071                 }
2072                 memset(ha->init_cb, 0, ha->init_cb_size);
2073
2074                 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
2075                     ha->host_no);
2076                 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2077                     DMA_POOL_SIZE, 8, 0);
2078                 if (ha->s_dma_pool == NULL) {
2079                         qla_printk(KERN_WARNING, ha,
2080                             "Memory Allocation failed - s_dma_pool\n");
2081
2082                         qla2x00_mem_free(ha);
2083                         msleep(100);
2084
2085                         continue;
2086                 }
2087
2088                 if (qla2x00_allocate_sp_pool(ha)) {
2089                         qla_printk(KERN_WARNING, ha,
2090                             "Memory Allocation failed - "
2091                             "qla2x00_allocate_sp_pool()\n");
2092
2093                         qla2x00_mem_free(ha);
2094                         msleep(100);
2095
2096                         continue;
2097                 }
2098
2099                 /* Allocate memory for SNS commands */
2100                 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2101                         /* Get consistent memory allocated for SNS commands */
2102                         ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2103                             sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
2104                             GFP_KERNEL);
2105                         if (ha->sns_cmd == NULL) {
2106                                 /* error */
2107                                 qla_printk(KERN_WARNING, ha,
2108                                     "Memory Allocation failed - sns_cmd\n");
2109
2110                                 qla2x00_mem_free(ha);
2111                                 msleep(100);
2112
2113                                 continue;
2114                         }
2115                         memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
2116                 } else {
2117                         /* Get consistent memory allocated for MS IOCB */
2118                         ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2119                             &ha->ms_iocb_dma);
2120                         if (ha->ms_iocb == NULL) {
2121                                 /* error */
2122                                 qla_printk(KERN_WARNING, ha,
2123                                     "Memory Allocation failed - ms_iocb\n");
2124
2125                                 qla2x00_mem_free(ha);
2126                                 msleep(100);
2127
2128                                 continue;
2129                         }
2130                         memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
2131
2132                         /*
2133                          * Get consistent memory allocated for CT SNS
2134                          * commands
2135                          */
2136                         ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2137                             sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
2138                             GFP_KERNEL);
2139                         if (ha->ct_sns == NULL) {
2140                                 /* error */
2141                                 qla_printk(KERN_WARNING, ha,
2142                                     "Memory Allocation failed - ct_sns\n");
2143
2144                                 qla2x00_mem_free(ha);
2145                                 msleep(100);
2146
2147                                 continue;
2148                         }
2149                         memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
2150
2151                         if (IS_FWI2_CAPABLE(ha)) {
2152                                 /*
2153                                  * Get consistent memory allocated for SFP
2154                                  * block.
2155                                  */
2156                                 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool,
2157                                     GFP_KERNEL, &ha->sfp_data_dma);
2158                                 if (ha->sfp_data == NULL) {
2159                                         qla_printk(KERN_WARNING, ha,
2160                                             "Memory Allocation failed - "
2161                                             "sfp_data\n");
2162
2163                                         qla2x00_mem_free(ha);
2164                                         msleep(100);
2165
2166                                         continue;
2167                                 }
2168                                 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
2169                         }
2170                 }
2171
2172                 /* Get memory for cached NVRAM */
2173                 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2174                 if (ha->nvram == NULL) {
2175                         /* error */
2176                         qla_printk(KERN_WARNING, ha,
2177                             "Memory Allocation failed - nvram cache\n");
2178
2179                         qla2x00_mem_free(ha);
2180                         msleep(100);
2181
2182                         continue;
2183                 }
2184
2185                 /* Done all allocations without any error. */
2186                 status = 0;
2187
2188         } while (retry-- && status != 0);
2189
2190         if (status) {
2191                 printk(KERN_WARNING
2192                         "%s(): **** FAILED ****\n", __func__);
2193         }
2194
2195         return(status);
2196 }
2197
2198 /*
2199 * qla2x00_mem_free
2200 *      Frees all adapter allocated memory.
2201 *
2202 * Input:
2203 *      ha = adapter block pointer.
2204 */
2205 static void
2206 qla2x00_mem_free(scsi_qla_host_t *ha)
2207 {
2208         struct list_head        *fcpl, *fcptemp;
2209         fc_port_t       *fcport;
2210
2211         if (ha == NULL) {
2212                 /* error */
2213                 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2214                 return;
2215         }
2216
2217         /* free sp pool */
2218         qla2x00_free_sp_pool(ha);
2219
2220         if (ha->fce)
2221                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2222                     ha->fce_dma);
2223
2224         if (ha->fw_dump) {
2225                 if (ha->eft)
2226                         dma_free_coherent(&ha->pdev->dev,
2227                             ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2228                 vfree(ha->fw_dump);
2229         }
2230
2231         if (ha->sns_cmd)
2232                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2233                     ha->sns_cmd, ha->sns_cmd_dma);
2234
2235         if (ha->ct_sns)
2236                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2237                     ha->ct_sns, ha->ct_sns_dma);
2238
2239         if (ha->sfp_data)
2240                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2241
2242         if (ha->ms_iocb)
2243                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2244
2245         if (ha->s_dma_pool)
2246                 dma_pool_destroy(ha->s_dma_pool);
2247
2248         if (ha->init_cb)
2249                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2250                     ha->init_cb, ha->init_cb_dma);
2251
2252         if (ha->gid_list)
2253                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2254                     ha->gid_list_dma);
2255
2256         if (ha->response_ring)
2257                 dma_free_coherent(&ha->pdev->dev,
2258                     (ha->response_q_length + 1) * sizeof(response_t),
2259                     ha->response_ring, ha->response_dma);
2260
2261         if (ha->request_ring)
2262                 dma_free_coherent(&ha->pdev->dev,
2263                     (ha->request_q_length + 1) * sizeof(request_t),
2264                     ha->request_ring, ha->request_dma);
2265
2266         ha->eft = NULL;
2267         ha->eft_dma = 0;
2268         ha->sns_cmd = NULL;
2269         ha->sns_cmd_dma = 0;
2270         ha->ct_sns = NULL;
2271         ha->ct_sns_dma = 0;
2272         ha->ms_iocb = NULL;
2273         ha->ms_iocb_dma = 0;
2274         ha->init_cb = NULL;
2275         ha->init_cb_dma = 0;
2276
2277         ha->s_dma_pool = NULL;
2278
2279         ha->gid_list = NULL;
2280         ha->gid_list_dma = 0;
2281
2282         ha->response_ring = NULL;
2283         ha->response_dma = 0;
2284         ha->request_ring = NULL;
2285         ha->request_dma = 0;
2286
2287         list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2288                 fcport = list_entry(fcpl, fc_port_t, list);
2289
2290                 /* fc ports */
2291                 list_del_init(&fcport->list);
2292                 kfree(fcport);
2293         }
2294         INIT_LIST_HEAD(&ha->fcports);
2295
2296         ha->fw_dump = NULL;
2297         ha->fw_dumped = 0;
2298         ha->fw_dump_reading = 0;
2299
2300         vfree(ha->optrom_buffer);
2301         kfree(ha->nvram);
2302 }
2303
2304 /*
2305  * qla2x00_allocate_sp_pool
2306  *       This routine is called during initialization to allocate
2307  *       memory for local srb_t.
2308  *
2309  * Input:
2310  *       ha   = adapter block pointer.
2311  *
2312  * Context:
2313  *      Kernel context.
2314  */
2315 static int
2316 qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
2317 {
2318         int      rval;
2319
2320         rval = QLA_SUCCESS;
2321         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2322         if (ha->srb_mempool == NULL) {
2323                 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2324                 rval = QLA_FUNCTION_FAILED;
2325         }
2326         return (rval);
2327 }
2328
2329 /*
2330  *  This routine frees all adapter allocated memory.
2331  *
2332  */
2333 static void
2334 qla2x00_free_sp_pool( scsi_qla_host_t *ha)
2335 {
2336         if (ha->srb_mempool) {
2337                 mempool_destroy(ha->srb_mempool);
2338                 ha->srb_mempool = NULL;
2339         }
2340 }
2341
2342 /**************************************************************************
2343 * qla2x00_do_dpc
2344 *   This kernel thread is a task that is schedule by the interrupt handler
2345 *   to perform the background processing for interrupts.
2346 *
2347 * Notes:
2348 * This task always run in the context of a kernel thread.  It
2349 * is kick-off by the driver's detect code and starts up
2350 * up one per adapter. It immediately goes to sleep and waits for
2351 * some fibre event.  When either the interrupt handler or
2352 * the timer routine detects a event it will one of the task
2353 * bits then wake us up.
2354 **************************************************************************/
2355 static int
2356 qla2x00_do_dpc(void *data)
2357 {
2358         int             rval;
2359         scsi_qla_host_t *ha;
2360         fc_port_t       *fcport;
2361         uint8_t         status;
2362         uint16_t        next_loopid;
2363
2364         ha = (scsi_qla_host_t *)data;
2365
2366         set_user_nice(current, -20);
2367
2368         while (!kthread_should_stop()) {
2369                 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2370
2371                 set_current_state(TASK_INTERRUPTIBLE);
2372                 schedule();
2373                 __set_current_state(TASK_RUNNING);
2374
2375                 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2376
2377                 /* Initialization not yet finished. Don't do anything yet. */
2378                 if (!ha->flags.init_done)
2379                         continue;
2380
2381                 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2382
2383                 ha->dpc_active = 1;
2384
2385                 if (ha->flags.mbox_busy) {
2386                         ha->dpc_active = 0;
2387                         continue;
2388                 }
2389
2390                 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2391
2392                         DEBUG(printk("scsi(%ld): dpc: sched "
2393                             "qla2x00_abort_isp ha = %p\n",
2394                             ha->host_no, ha));
2395                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2396                             &ha->dpc_flags))) {
2397
2398                                 if (qla2x00_abort_isp(ha)) {
2399                                         /* failed. retry later */
2400                                         set_bit(ISP_ABORT_NEEDED,
2401                                             &ha->dpc_flags);
2402                                 }
2403                                 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2404                         }
2405                         DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2406                             ha->host_no));
2407                 }
2408
2409                 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2410                         qla2x00_update_fcports(ha);
2411
2412                 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2413                         DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2414                             ha->host_no));
2415                         qla2x00_loop_reset(ha);
2416                 }
2417
2418                 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2419                     (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2420
2421                         DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2422                             ha->host_no));
2423
2424                         qla2x00_rst_aen(ha);
2425                         clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2426                 }
2427
2428                 /* Retry each device up to login retry count */
2429                 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2430                     !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2431                     atomic_read(&ha->loop_state) != LOOP_DOWN) {
2432
2433                         DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2434                             ha->host_no));
2435
2436                         next_loopid = 0;
2437                         list_for_each_entry(fcport, &ha->fcports, list) {
2438                                 /*
2439                                  * If the port is not ONLINE then try to login
2440                                  * to it if we haven't run out of retries.
2441                                  */
2442                                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2443                                     fcport->login_retry) {
2444
2445                                         if (fcport->flags & FCF_FABRIC_DEVICE) {
2446                                                 if (fcport->flags &
2447                                                     FCF_TAPE_PRESENT)
2448                                                         ha->isp_ops->fabric_logout(
2449                                                             ha, fcport->loop_id,
2450                                                             fcport->d_id.b.domain,
2451                                                             fcport->d_id.b.area,
2452                                                             fcport->d_id.b.al_pa);
2453                                                 status = qla2x00_fabric_login(
2454                                                     ha, fcport, &next_loopid);
2455                                         } else
2456                                                 status =
2457                                                     qla2x00_local_device_login(
2458                                                         ha, fcport);
2459
2460                                         fcport->login_retry--;
2461                                         if (status == QLA_SUCCESS) {
2462                                                 fcport->old_loop_id = fcport->loop_id;
2463
2464                                                 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2465                                                     ha->host_no, fcport->loop_id));
2466
2467                                                 qla2x00_update_fcport(ha,
2468                                                     fcport);
2469                                         } else if (status == 1) {
2470                                                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2471                                                 /* retry the login again */
2472                                                 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2473                                                     ha->host_no,
2474                                                     fcport->login_retry, fcport->loop_id));
2475                                         } else {
2476                                                 fcport->login_retry = 0;
2477                                         }
2478                                         if (fcport->login_retry == 0)
2479                                                 fcport->loop_id = FC_NO_LOOP_ID;
2480                                 }
2481                                 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2482                                         break;
2483                         }
2484                         DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2485                             ha->host_no));
2486                 }
2487
2488                 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2489                     atomic_read(&ha->loop_state) != LOOP_DOWN) {
2490
2491                         clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2492                         DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2493                             ha->host_no));
2494
2495                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2496
2497                         DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2498                             ha->host_no));
2499                 }
2500
2501                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2502
2503                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2504                             ha->host_no));
2505
2506                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2507                             &ha->dpc_flags))) {
2508
2509                                 rval = qla2x00_loop_resync(ha);
2510
2511                                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2512                         }
2513
2514                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2515                             ha->host_no));
2516                 }
2517
2518                 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2519
2520                         DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2521                             ha->host_no));
2522
2523                         qla2x00_rescan_fcports(ha);
2524
2525                         DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2526                             "end.\n",
2527                             ha->host_no));
2528                 }
2529
2530                 if (!ha->interrupts_on)
2531                         ha->isp_ops->enable_intrs(ha);
2532
2533                 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2534                         ha->isp_ops->beacon_blink(ha);
2535
2536                 qla2x00_do_dpc_all_vps(ha);
2537
2538                 ha->dpc_active = 0;
2539         } /* End of while(1) */
2540
2541         DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2542
2543         /*
2544          * Make sure that nobody tries to wake us up again.
2545          */
2546         ha->dpc_active = 0;
2547
2548         return 0;
2549 }
2550
2551 void
2552 qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2553 {
2554         if (ha->dpc_thread)
2555                 wake_up_process(ha->dpc_thread);
2556 }
2557
2558 /*
2559 *  qla2x00_rst_aen
2560 *      Processes asynchronous reset.
2561 *
2562 * Input:
2563 *      ha  = adapter block pointer.
2564 */
2565 static void
2566 qla2x00_rst_aen(scsi_qla_host_t *ha)
2567 {
2568         if (ha->flags.online && !ha->flags.reset_active &&
2569             !atomic_read(&ha->loop_down_timer) &&
2570             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2571                 do {
2572                         clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2573
2574                         /*
2575                          * Issue marker command only when we are going to start
2576                          * the I/O.
2577                          */
2578                         ha->marker_needed = 1;
2579                 } while (!atomic_read(&ha->loop_down_timer) &&
2580                     (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2581         }
2582 }
2583
2584 static void
2585 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2586 {
2587         struct scsi_cmnd *cmd = sp->cmd;
2588
2589         if (sp->flags & SRB_DMA_VALID) {
2590                 scsi_dma_unmap(cmd);
2591                 sp->flags &= ~SRB_DMA_VALID;
2592         }
2593         CMD_SP(cmd) = NULL;
2594 }
2595
2596 void
2597 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2598 {
2599         struct scsi_cmnd *cmd = sp->cmd;
2600
2601         qla2x00_sp_free_dma(ha, sp);
2602
2603         mempool_free(sp, ha->srb_mempool);
2604
2605         cmd->scsi_done(cmd);
2606 }
2607
2608 /**************************************************************************
2609 *   qla2x00_timer
2610 *
2611 * Description:
2612 *   One second timer
2613 *
2614 * Context: Interrupt
2615 ***************************************************************************/
2616 void
2617 qla2x00_timer(scsi_qla_host_t *ha)
2618 {
2619         unsigned long   cpu_flags = 0;
2620         fc_port_t       *fcport;
2621         int             start_dpc = 0;
2622         int             index;
2623         srb_t           *sp;
2624         int             t;
2625         scsi_qla_host_t *pha = to_qla_parent(ha);
2626
2627         /*
2628          * Ports - Port down timer.
2629          *
2630          * Whenever, a port is in the LOST state we start decrementing its port
2631          * down timer every second until it reaches zero. Once  it reaches zero
2632          * the port it marked DEAD.
2633          */
2634         t = 0;
2635         list_for_each_entry(fcport, &ha->fcports, list) {
2636                 if (fcport->port_type != FCT_TARGET)
2637                         continue;
2638
2639                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2640
2641                         if (atomic_read(&fcport->port_down_timer) == 0)
2642                                 continue;
2643
2644                         if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2645                                 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2646
2647                         DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2648                             "%d remaining\n",
2649                             ha->host_no,
2650                             t, atomic_read(&fcport->port_down_timer)));
2651                 }
2652                 t++;
2653         } /* End of for fcport  */
2654
2655
2656         /* Loop down handler. */
2657         if (atomic_read(&ha->loop_down_timer) > 0 &&
2658             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2659
2660                 if (atomic_read(&ha->loop_down_timer) ==
2661                     ha->loop_down_abort_time) {
2662
2663                         DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2664                             "queues before time expire\n",
2665                             ha->host_no));
2666
2667                         if (!IS_QLA2100(ha) && ha->link_down_timeout)
2668                                 atomic_set(&ha->loop_state, LOOP_DEAD);
2669
2670                         /* Schedule an ISP abort to return any tape commands. */
2671                         /* NPIV - scan physical port only */
2672                         if (!ha->parent) {
2673                                 spin_lock_irqsave(&ha->hardware_lock,
2674                                     cpu_flags);
2675                                 for (index = 1;
2676                                     index < MAX_OUTSTANDING_COMMANDS;
2677                                     index++) {
2678                                         fc_port_t *sfcp;
2679
2680                                         sp = ha->outstanding_cmds[index];
2681                                         if (!sp)
2682                                                 continue;
2683                                         sfcp = sp->fcport;
2684                                         if (!(sfcp->flags & FCF_TAPE_PRESENT))
2685                                                 continue;
2686
2687                                         set_bit(ISP_ABORT_NEEDED,
2688                                             &ha->dpc_flags);
2689                                         break;
2690                                 }
2691                                 spin_unlock_irqrestore(&ha->hardware_lock,
2692                                     cpu_flags);
2693                         }
2694                         set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2695                         start_dpc++;
2696                 }
2697
2698                 /* if the loop has been down for 4 minutes, reinit adapter */
2699                 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2700                         DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2701                             "restarting queues.\n",
2702                             ha->host_no));
2703
2704                         set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2705                         start_dpc++;
2706
2707                         if (!(ha->device_flags & DFLG_NO_CABLE)) {
2708                                 DEBUG(printk("scsi(%ld): Loop down - "
2709                                     "aborting ISP.\n",
2710                                     ha->host_no));
2711                                 qla_printk(KERN_WARNING, ha,
2712                                     "Loop down - aborting ISP.\n");
2713
2714                                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2715                         }
2716                 }
2717                 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2718                     ha->host_no,
2719                     atomic_read(&ha->loop_down_timer)));
2720         }
2721
2722         /* Check if beacon LED needs to be blinked */
2723         if (ha->beacon_blink_led == 1) {
2724                 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2725                 start_dpc++;
2726         }
2727
2728         /* Schedule the DPC routine if needed */
2729         if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2730             test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2731             test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
2732             test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
2733             start_dpc ||
2734             test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
2735             test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2736             test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2737             test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
2738             test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2739                 qla2xxx_wake_dpc(pha);
2740
2741         qla2x00_restart_timer(ha, WATCH_INTERVAL);
2742 }
2743
2744 /* Firmware interface routines. */
2745
2746 #define FW_BLOBS        6
2747 #define FW_ISP21XX      0
2748 #define FW_ISP22XX      1
2749 #define FW_ISP2300      2
2750 #define FW_ISP2322      3
2751 #define FW_ISP24XX      4
2752 #define FW_ISP25XX      5
2753
2754 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2755 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2756 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2757 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2758 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2759 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2760
2761 static DECLARE_MUTEX(qla_fw_lock);
2762
2763 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2764         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2765         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2766         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2767         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2768         { .name = FW_FILE_ISP24XX, },
2769         { .name = FW_FILE_ISP25XX, },
2770 };
2771
2772 struct fw_blob *
2773 qla2x00_request_firmware(scsi_qla_host_t *ha)
2774 {
2775         struct fw_blob *blob;
2776
2777         blob = NULL;
2778         if (IS_QLA2100(ha)) {
2779                 blob = &qla_fw_blobs[FW_ISP21XX];
2780         } else if (IS_QLA2200(ha)) {
2781                 blob = &qla_fw_blobs[FW_ISP22XX];
2782         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2783                 blob = &qla_fw_blobs[FW_ISP2300];
2784         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2785                 blob = &qla_fw_blobs[FW_ISP2322];
2786         } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
2787                 blob = &qla_fw_blobs[FW_ISP24XX];
2788         } else if (IS_QLA25XX(ha)) {
2789                 blob = &qla_fw_blobs[FW_ISP25XX];
2790         }
2791
2792         down(&qla_fw_lock);
2793         if (blob->fw)
2794                 goto out;
2795
2796         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2797                 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2798                     "(%s).\n", ha->host_no, blob->name));
2799                 blob->fw = NULL;
2800                 blob = NULL;
2801                 goto out;
2802         }
2803
2804 out:
2805         up(&qla_fw_lock);
2806         return blob;
2807 }
2808
2809 static void
2810 qla2x00_release_firmware(void)
2811 {
2812         int idx;
2813
2814         down(&qla_fw_lock);
2815         for (idx = 0; idx < FW_BLOBS; idx++)
2816                 if (qla_fw_blobs[idx].fw)
2817                         release_firmware(qla_fw_blobs[idx].fw);
2818         up(&qla_fw_lock);
2819 }
2820
2821 static pci_ers_result_t
2822 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2823 {
2824         switch (state) {
2825         case pci_channel_io_normal:
2826                 return PCI_ERS_RESULT_CAN_RECOVER;
2827         case pci_channel_io_frozen:
2828                 pci_disable_device(pdev);
2829                 return PCI_ERS_RESULT_NEED_RESET;
2830         case pci_channel_io_perm_failure:
2831                 qla2x00_remove_one(pdev);
2832                 return PCI_ERS_RESULT_DISCONNECT;
2833         }
2834         return PCI_ERS_RESULT_NEED_RESET;
2835 }
2836
2837 static pci_ers_result_t
2838 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2839 {
2840         int risc_paused = 0;
2841         uint32_t stat;
2842         unsigned long flags;
2843         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2844         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2845         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2846
2847         spin_lock_irqsave(&ha->hardware_lock, flags);
2848         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2849                 stat = RD_REG_DWORD(&reg->hccr);
2850                 if (stat & HCCR_RISC_PAUSE)
2851                         risc_paused = 1;
2852         } else if (IS_QLA23XX(ha)) {
2853                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2854                 if (stat & HSR_RISC_PAUSED)
2855                         risc_paused = 1;
2856         } else if (IS_FWI2_CAPABLE(ha)) {
2857                 stat = RD_REG_DWORD(&reg24->host_status);
2858                 if (stat & HSRX_RISC_PAUSED)
2859                         risc_paused = 1;
2860         }
2861         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2862
2863         if (risc_paused) {
2864                 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2865                     "Dumping firmware!\n");
2866                 ha->isp_ops->fw_dump(ha, 0);
2867
2868                 return PCI_ERS_RESULT_NEED_RESET;
2869         } else
2870                 return PCI_ERS_RESULT_RECOVERED;
2871 }
2872
2873 static pci_ers_result_t
2874 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2875 {
2876         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2877         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2878
2879         if (pci_enable_device_bars(pdev, ha->bars)) {
2880                 qla_printk(KERN_WARNING, ha,
2881                     "Can't re-enable PCI device after reset.\n");
2882
2883                 return ret;
2884         }
2885         pci_set_master(pdev);
2886
2887         if (ha->isp_ops->pci_config(ha))
2888                 return ret;
2889
2890         set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2891         if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2892                 ret =  PCI_ERS_RESULT_RECOVERED;
2893         clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2894
2895         return ret;
2896 }
2897
2898 static void
2899 qla2xxx_pci_resume(struct pci_dev *pdev)
2900 {
2901         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2902         int ret;
2903
2904         ret = qla2x00_wait_for_hba_online(ha);
2905         if (ret != QLA_SUCCESS) {
2906                 qla_printk(KERN_ERR, ha,
2907                     "the device failed to resume I/O "
2908                     "from slot/link_reset");
2909         }
2910         pci_cleanup_aer_uncorrect_error_status(pdev);
2911 }
2912
2913 static struct pci_error_handlers qla2xxx_err_handler = {
2914         .error_detected = qla2xxx_pci_error_detected,
2915         .mmio_enabled = qla2xxx_pci_mmio_enabled,
2916         .slot_reset = qla2xxx_pci_slot_reset,
2917         .resume = qla2xxx_pci_resume,
2918 };
2919
2920 static struct pci_device_id qla2xxx_pci_tbl[] = {
2921         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2922         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2923         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2924         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2925         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2926         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2927         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2928         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2929         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2930         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2931         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
2932         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
2933         { 0 },
2934 };
2935 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2936
2937 static struct pci_driver qla2xxx_pci_driver = {
2938         .name           = QLA2XXX_DRIVER_NAME,
2939         .driver         = {
2940                 .owner          = THIS_MODULE,
2941         },
2942         .id_table       = qla2xxx_pci_tbl,
2943         .probe          = qla2x00_probe_one,
2944         .remove         = qla2x00_remove_one,
2945         .err_handler    = &qla2xxx_err_handler,
2946 };
2947
2948 /**
2949  * qla2x00_module_init - Module initialization.
2950  **/
2951 static int __init
2952 qla2x00_module_init(void)
2953 {
2954         int ret = 0;
2955
2956         /* Allocate cache for SRBs. */
2957         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2958             SLAB_HWCACHE_ALIGN, NULL);
2959         if (srb_cachep == NULL) {
2960                 printk(KERN_ERR
2961                     "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2962                 return -ENOMEM;
2963         }
2964
2965         /* Derive version string. */
2966         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2967         if (ql2xextended_error_logging)
2968                 strcat(qla2x00_version_str, "-debug");
2969
2970         qla2xxx_transport_template =
2971             fc_attach_transport(&qla2xxx_transport_functions);
2972         if (!qla2xxx_transport_template) {
2973                 kmem_cache_destroy(srb_cachep);
2974                 return -ENODEV;
2975         }
2976         qla2xxx_transport_vport_template =
2977             fc_attach_transport(&qla2xxx_transport_vport_functions);
2978         if (!qla2xxx_transport_vport_template) {
2979                 kmem_cache_destroy(srb_cachep);
2980                 fc_release_transport(qla2xxx_transport_template);
2981                 return -ENODEV;
2982         }
2983
2984         printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
2985         ret = pci_register_driver(&qla2xxx_pci_driver);
2986         if (ret) {
2987                 kmem_cache_destroy(srb_cachep);
2988                 fc_release_transport(qla2xxx_transport_template);
2989                 fc_release_transport(qla2xxx_transport_vport_template);
2990         }
2991         return ret;
2992 }
2993
2994 /**
2995  * qla2x00_module_exit - Module cleanup.
2996  **/
2997 static void __exit
2998 qla2x00_module_exit(void)
2999 {
3000         pci_unregister_driver(&qla2xxx_pci_driver);
3001         qla2x00_release_firmware();
3002         kmem_cache_destroy(srb_cachep);
3003         fc_release_transport(qla2xxx_transport_template);
3004         fc_release_transport(qla2xxx_transport_vport_template);
3005 }
3006
3007 module_init(qla2x00_module_init);
3008 module_exit(qla2x00_module_exit);
3009
3010 MODULE_AUTHOR("QLogic Corporation");
3011 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3012 MODULE_LICENSE("GPL");
3013 MODULE_VERSION(QLA2XXX_VERSION);
3014 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3015 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3016 MODULE_FIRMWARE(FW_FILE_ISP2300);
3017 MODULE_FIRMWARE(FW_FILE_ISP2322);
3018 MODULE_FIRMWARE(FW_FILE_ISP24XX);