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         .use_sg_chaining        = ENABLE_SG_CHAINING,
 135         .sg_tablesize           = SG_ALL,
 136
 137         /*
 138          * The RISC allows for each command to transfer (2^32-1) bytes of data,
 139          * which equates to 0x800000 sectors.
 140          */
 141         .max_sectors            = 0xFFFF,
 142         .shost_attrs            = qla2x00_host_attrs,
 143 };
 144
 145 struct scsi_host_template qla24xx_driver_template = {
 146         .module                 = THIS_MODULE,
 147         .name                   = QLA2XXX_DRIVER_NAME,
 148         .queuecommand           = qla24xx_queuecommand,
 149
 150         .eh_abort_handler       = qla2xxx_eh_abort,
 151         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 152         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 153         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 154
 155         .slave_configure        = qla2xxx_slave_configure,
 156
 157         .slave_alloc            = qla2xxx_slave_alloc,
 158         .slave_destroy          = qla2xxx_slave_destroy,
 159         .scan_finished          = qla2xxx_scan_finished,
 160         .scan_start             = qla2xxx_scan_start,
 161         .change_queue_depth     = qla2x00_change_queue_depth,
 162         .change_queue_type      = qla2x00_change_queue_type,
 163         .this_id                = -1,
 164         .cmd_per_lun            = 3,
 165         .use_clustering         = ENABLE_CLUSTERING,
 166         .use_sg_chaining        = ENABLE_SG_CHAINING,
 167         .sg_tablesize           = SG_ALL,
 168
 169         .max_sectors            = 0xFFFF,
 170         .shost_attrs            = qla2x00_host_attrs,
 171 };
 172
 173 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 174 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 175
 176 /* TODO Convert to inlines
 177  *
 178  * Timer routines
 179  */
 180
 181 __inline__ void
 182 qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
 183 {
 184         init_timer(&ha->timer);
 185         ha->timer.expires = jiffies + interval * HZ;
 186         ha->timer.data = (unsigned long)ha;
 187         ha->timer.function = (void (*)(unsigned long))func;
 188         add_timer(&ha->timer);
 189         ha->timer_active = 1;
 190 }
 191
 192 static inline void
 193 qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
 194 {
 195         mod_timer(&ha->timer, jiffies + interval * HZ);
 196 }
 197
 198 static __inline__ void
 199 qla2x00_stop_timer(scsi_qla_host_t *ha)
 200 {
 201         del_timer_sync(&ha->timer);
 202         ha->timer_active = 0;
 203 }
 204
 205 static int qla2x00_do_dpc(void *data);
 206
 207 static void qla2x00_rst_aen(scsi_qla_host_t *);
 208
 209 static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
 210 static void qla2x00_mem_free(scsi_qla_host_t *ha);
 211 static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
 212 static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
 213 static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
 214
 215 /* -------------------------------------------------------------------------- */
 216
 217 static char *
 218 qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
 219 {
 220         static char *pci_bus_modes[] = {
 221                 "33", "66", "100", "133",
 222         };
 223         uint16_t pci_bus;
 224
 225         strcpy(str, "PCI");
 226         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 227         if (pci_bus) {
 228                 strcat(str, "-X (");
 229                 strcat(str, pci_bus_modes[pci_bus]);
 230         } else {
 231                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 232                 strcat(str, " (");
 233                 strcat(str, pci_bus_modes[pci_bus]);
 234         }
 235         strcat(str, " MHz)");
 236
 237         return (str);
 238 }
 239
 240 static char *
 241 qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
 242 {
 243         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 244         uint32_t pci_bus;
 245         int pcie_reg;
 246
 247         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 248         if (pcie_reg) {
 249                 char lwstr[6];
 250                 uint16_t pcie_lstat, lspeed, lwidth;
 251
 252                 pcie_reg += 0x12;
 253                 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 254                 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 255                 lwidth = (pcie_lstat &
 256                     (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 257
 258                 strcpy(str, "PCIe (");
 259                 if (lspeed == 1)
 260                         strcat(str, "2.5Gb/s ");
 261                 else if (lspeed == 2)
 262                         strcat(str, "5.0Gb/s ");
 263                 else
 264                         strcat(str, "<unknown> ");
 265                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 266                 strcat(str, lwstr);
 267
 268                 return str;
 269         }
 270
 271         strcpy(str, "PCI");
 272         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 273         if (pci_bus == 0 || pci_bus == 8) {
 274                 strcat(str, " (");
 275                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 276         } else {
 277                 strcat(str, "-X ");
 278                 if (pci_bus & BIT_2)
 279                         strcat(str, "Mode 2");
 280                 else
 281                         strcat(str, "Mode 1");
 282                 strcat(str, " (");
 283                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 284         }
 285         strcat(str, " MHz)");
 286
 287         return str;
 288 }
 289
 290 static char *
 291 qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
 292 {
 293         char un_str[10];
 294
 295         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 296             ha->fw_minor_version,
 297             ha->fw_subminor_version);
 298
 299         if (ha->fw_attributes & BIT_9) {
 300                 strcat(str, "FLX");
 301                 return (str);
 302         }
 303
 304         switch (ha->fw_attributes & 0xFF) {
 305         case 0x7:
 306                 strcat(str, "EF");
 307                 break;
 308         case 0x17:
 309                 strcat(str, "TP");
 310                 break;
 311         case 0x37:
 312                 strcat(str, "IP");
 313                 break;
 314         case 0x77:
 315                 strcat(str, "VI");
 316                 break;
 317         default:
 318                 sprintf(un_str, "(%x)", ha->fw_attributes);
 319                 strcat(str, un_str);
 320                 break;
 321         }
 322         if (ha->fw_attributes & 0x100)
 323                 strcat(str, "X");
 324
 325         return (str);
 326 }
 327
 328 static char *
 329 qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
 330 {
 331         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 332             ha->fw_minor_version,
 333             ha->fw_subminor_version);
 334
 335         if (ha->fw_attributes & BIT_0)
 336                 strcat(str, "[Class 2] ");
 337         if (ha->fw_attributes & BIT_1)
 338                 strcat(str, "[IP] ");
 339         if (ha->fw_attributes & BIT_2)
 340                 strcat(str, "[Multi-ID] ");
 341         if (ha->fw_attributes & BIT_3)
 342                 strcat(str, "[SB-2] ");
 343         if (ha->fw_attributes & BIT_4)
 344                 strcat(str, "[T10 CRC] ");
 345         if (ha->fw_attributes & BIT_5)
 346                 strcat(str, "[VI] ");
 347         if (ha->fw_attributes & BIT_13)
 348                 strcat(str, "[Experimental]");
 349         return str;
 350 }
 351
 352 static inline srb_t *
 353 qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
 354     struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 355 {
 356         srb_t *sp;
 357
 358         sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
 359         if (!sp)
 360                 return sp;
 361
 362         sp->ha = ha;
 363         sp->fcport = fcport;
 364         sp->cmd = cmd;
 365         sp->flags = 0;
 366         CMD_SP(cmd) = (void *)sp;
 367         cmd->scsi_done = done;
 368
 369         return sp;
 370 }
 371
 372 static int
 373 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 374 {
 375         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 376         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 377         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 378         srb_t *sp;
 379         int rval;
 380
 381         if (unlikely(pci_channel_offline(ha->pdev))) {
 382                 cmd->result = DID_REQUEUE << 16;
 383                 goto qc_fail_command;
 384         }
 385
 386         rval = fc_remote_port_chkready(rport);
 387         if (rval) {
 388                 cmd->result = rval;
 389                 goto qc_fail_command;
 390         }
 391
 392         /* Close window on fcport/rport state-transitioning. */
 393         if (!*(fc_port_t **)rport->dd_data) {
 394                 cmd->result = DID_IMM_RETRY << 16;
 395                 goto qc_fail_command;
 396         }
 397
 398         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 399                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 400                     atomic_read(&ha->loop_state) == LOOP_DEAD) {
 401                         cmd->result = DID_NO_CONNECT << 16;
 402                         goto qc_fail_command;
 403                 }
 404                 goto qc_host_busy;
 405         }
 406
 407         spin_unlock_irq(ha->host->host_lock);
 408
 409         sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
 410         if (!sp)
 411                 goto qc_host_busy_lock;
 412
 413         rval = qla2x00_start_scsi(sp);
 414         if (rval != QLA_SUCCESS)
 415                 goto qc_host_busy_free_sp;
 416
 417         spin_lock_irq(ha->host->host_lock);
 418
 419         return 0;
 420
 421 qc_host_busy_free_sp:
 422         qla2x00_sp_free_dma(ha, sp);
 423         mempool_free(sp, ha->srb_mempool);
 424
 425 qc_host_busy_lock:
 426         spin_lock_irq(ha->host->host_lock);
 427
 428 qc_host_busy:
 429         return SCSI_MLQUEUE_HOST_BUSY;
 430
 431 qc_fail_command:
 432         done(cmd);
 433
 434         return 0;
 435 }
 436
 437
 438 static int
 439 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 440 {
 441         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 442         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 443         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 444         srb_t *sp;
 445         int rval;
 446         scsi_qla_host_t *pha = to_qla_parent(ha);
 447
 448         if (unlikely(pci_channel_offline(ha->pdev))) {
 449                 cmd->result = DID_REQUEUE << 16;
 450                 goto qc24_fail_command;
 451         }
 452
 453         rval = fc_remote_port_chkready(rport);
 454         if (rval) {
 455                 cmd->result = rval;
 456                 goto qc24_fail_command;
 457         }
 458
 459         /* Close window on fcport/rport state-transitioning. */
 460         if (!*(fc_port_t **)rport->dd_data) {
 461                 cmd->result = DID_IMM_RETRY << 16;
 462                 goto qc24_fail_command;
 463         }
 464
 465         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 466                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 467                     atomic_read(&pha->loop_state) == LOOP_DEAD) {
 468                         cmd->result = DID_NO_CONNECT << 16;
 469                         goto qc24_fail_command;
 470                 }
 471                 goto qc24_host_busy;
 472         }
 473
 474         spin_unlock_irq(ha->host->host_lock);
 475
 476         sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
 477         if (!sp)
 478                 goto qc24_host_busy_lock;
 479
 480         rval = qla24xx_start_scsi(sp);
 481         if (rval != QLA_SUCCESS)
 482                 goto qc24_host_busy_free_sp;
 483
 484         spin_lock_irq(ha->host->host_lock);
 485
 486         return 0;
 487
 488 qc24_host_busy_free_sp:
 489         qla2x00_sp_free_dma(pha, sp);
 490         mempool_free(sp, pha->srb_mempool);
 491
 492 qc24_host_busy_lock:
 493         spin_lock_irq(ha->host->host_lock);
 494
 495 qc24_host_busy:
 496         return SCSI_MLQUEUE_HOST_BUSY;
 497
 498 qc24_fail_command:
 499         done(cmd);
 500
 501         return 0;
 502 }
 503
 504
 505 /*
 506  * qla2x00_eh_wait_on_command
 507  *    Waits for the command to be returned by the Firmware for some
 508  *    max time.
 509  *
 510  * Input:
 511  *    ha = actual ha whose done queue will contain the command
 512  *            returned by firmware.
 513  *    cmd = Scsi Command to wait on.
 514  *    flag = Abort/Reset(Bus or Device Reset)
 515  *
 516  * Return:
 517  *    Not Found : 0
 518  *    Found : 1
 519  */
 520 static int
 521 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
 522 {
 523 #define ABORT_POLLING_PERIOD    1000
 524 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 525         unsigned long wait_iter = ABORT_WAIT_ITER;
 526         int ret = QLA_SUCCESS;
 527
 528         while (CMD_SP(cmd)) {
 529                 msleep(ABORT_POLLING_PERIOD);
 530
 531                 if (--wait_iter)
 532                         break;
 533         }
 534         if (CMD_SP(cmd))
 535                 ret = QLA_FUNCTION_FAILED;
 536
 537         return ret;
 538 }
 539
 540 /*
 541  * qla2x00_wait_for_hba_online
 542  *    Wait till the HBA is online after going through
 543  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 544  *    finally HBA is disabled ie marked offline
 545  *
 546  * Input:
 547  *     ha - pointer to host adapter structure
 548  *
 549  * Note:
 550  *    Does context switching-Release SPIN_LOCK
 551  *    (if any) before calling this routine.
 552  *
 553  * Return:
 554  *    Success (Adapter is online) : 0
 555  *    Failed  (Adapter is offline/disabled) : 1
 556  */
 557 int
 558 qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
 559 {
 560         int             return_status;
 561         unsigned long   wait_online;
 562         scsi_qla_host_t *pha = to_qla_parent(ha);
 563
 564         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 565         while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
 566             test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
 567             test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
 568             pha->dpc_active) && time_before(jiffies, wait_online)) {
 569
 570                 msleep(1000);
 571         }
 572         if (pha->flags.online)
 573                 return_status = QLA_SUCCESS;
 574         else
 575                 return_status = QLA_FUNCTION_FAILED;
 576
 577         DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
 578
 579         return (return_status);
 580 }
 581
 582 /*
 583  * qla2x00_wait_for_loop_ready
 584  *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 585  *    to be in LOOP_READY state.
 586  * Input:
 587  *     ha - pointer to host adapter structure
 588  *
 589  * Note:
 590  *    Does context switching-Release SPIN_LOCK
 591  *    (if any) before calling this routine.
 592  *
 593  *
 594  * Return:
 595  *    Success (LOOP_READY) : 0
 596  *    Failed  (LOOP_NOT_READY) : 1
 597  */
 598 static inline int
 599 qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
 600 {
 601         int      return_status = QLA_SUCCESS;
 602         unsigned long loop_timeout ;
 603         scsi_qla_host_t *pha = to_qla_parent(ha);
 604
 605         /* wait for 5 min at the max for loop to be ready */
 606         loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 607
 608         while ((!atomic_read(&pha->loop_down_timer) &&
 609             atomic_read(&pha->loop_state) == LOOP_DOWN) ||
 610             atomic_read(&pha->loop_state) != LOOP_READY) {
 611                 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
 612                         return_status = QLA_FUNCTION_FAILED;
 613                         break;
 614                 }
 615                 msleep(1000);
 616                 if (time_after_eq(jiffies, loop_timeout)) {
 617                         return_status = QLA_FUNCTION_FAILED;
 618                         break;
 619                 }
 620         }
 621         return (return_status);
 622 }
 623
 624 static void
 625 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
 626 {
 627         struct Scsi_Host *shost = cmnd->device->host;
 628         struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
 629         unsigned long flags;
 630
 631         spin_lock_irqsave(shost->host_lock, flags);
 632         while (rport->port_state == FC_PORTSTATE_BLOCKED) {
 633                 spin_unlock_irqrestore(shost->host_lock, flags);
 634                 msleep(1000);
 635                 spin_lock_irqsave(shost->host_lock, flags);
 636         }
 637         spin_unlock_irqrestore(shost->host_lock, flags);
 638         return;
 639 }
 640
 641 /**************************************************************************
 642 * qla2xxx_eh_abort
 643 *
 644 * Description:
 645 *    The abort function will abort the specified command.
 646 *
 647 * Input:
 648 *    cmd = Linux SCSI command packet to be aborted.
 649 *
 650 * Returns:
 651 *    Either SUCCESS or FAILED.
 652 *
 653 * Note:
 654 *    Only return FAILED if command not returned by firmware.
 655 **************************************************************************/
 656 static int
 657 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 658 {
 659         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 660         srb_t *sp;
 661         int ret, i;
 662         unsigned int id, lun;
 663         unsigned long serial;
 664         unsigned long flags;
 665         int wait = 0;
 666         scsi_qla_host_t *pha = to_qla_parent(ha);
 667
 668         qla2x00_block_error_handler(cmd);
 669
 670         if (!CMD_SP(cmd))
 671                 return SUCCESS;
 672
 673         ret = SUCCESS;
 674
 675         id = cmd->device->id;
 676         lun = cmd->device->lun;
 677         serial = cmd->serial_number;
 678
 679         /* Check active list for command command. */
 680         spin_lock_irqsave(&pha->hardware_lock, flags);
 681         for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
 682                 sp = pha->outstanding_cmds[i];
 683
 684                 if (sp == NULL)
 685                         continue;
 686
 687                 if (sp->cmd != cmd)
 688                         continue;
 689
 690                 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
 691                     __func__, ha->host_no, sp, serial));
 692                 DEBUG3(qla2x00_print_scsi_cmd(cmd));
 693
 694                 spin_unlock_irqrestore(&pha->hardware_lock, flags);
 695                 if (ha->isp_ops->abort_command(ha, sp)) {
 696                         DEBUG2(printk("%s(%ld): abort_command "
 697                             "mbx failed.\n", __func__, ha->host_no));
 698                 } else {
 699                         DEBUG3(printk("%s(%ld): abort_command "
 700                             "mbx success.\n", __func__, ha->host_no));
 701                         wait = 1;
 702                 }
 703                 spin_lock_irqsave(&pha->hardware_lock, flags);
 704
 705                 break;
 706         }
 707         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 708
 709         /* Wait for the command to be returned. */
 710         if (wait) {
 711                 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
 712                         qla_printk(KERN_ERR, ha,
 713                             "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
 714                             "%x.\n", ha->host_no, id, lun, serial, ret);
 715                         ret = FAILED;
 716                 }
 717         }
 718
 719         qla_printk(KERN_INFO, ha,
 720             "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
 721             ha->host_no, id, lun, wait, serial, ret);
 722
 723         return ret;
 724 }
 725
 726 /**************************************************************************
 727 * qla2x00_eh_wait_for_pending_target_commands
 728 *
 729 * Description:
 730 *    Waits for all the commands to come back from the specified target.
 731 *
 732 * Input:
 733 *    ha - pointer to scsi_qla_host structure.
 734 *    t  - target
 735 * Returns:
 736 *    Either SUCCESS or FAILED.
 737 *
 738 * Note:
 739 **************************************************************************/
 740 static int
 741 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
 742 {
 743         int     cnt;
 744         int     status;
 745         srb_t           *sp;
 746         struct scsi_cmnd *cmd;
 747         unsigned long flags;
 748         scsi_qla_host_t *pha = to_qla_parent(ha);
 749
 750         status = 0;
 751
 752         /*
 753          * Waiting for all commands for the designated target in the active
 754          * array
 755          */
 756         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 757                 spin_lock_irqsave(&pha->hardware_lock, flags);
 758                 sp = pha->outstanding_cmds[cnt];
 759                 if (sp) {
 760                         cmd = sp->cmd;
 761                         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 762                         if (cmd->device->id == t &&
 763                             ha->vp_idx == sp->ha->vp_idx) {
 764                                 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
 765                                         status = 1;
 766                                         break;
 767                                 }
 768                         }
 769                 } else {
 770                         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 771                 }
 772         }
 773         return (status);
 774 }
 775
 776
 777 /**************************************************************************
 778 * qla2xxx_eh_device_reset
 779 *
 780 * Description:
 781 *    The device reset function will reset the target and abort any
 782 *    executing commands.
 783 *
 784 *    NOTE: The use of SP is undefined within this context.  Do *NOT*
 785 *          attempt to use this value, even if you determine it is
 786 *          non-null.
 787 *
 788 * Input:
 789 *    cmd = Linux SCSI command packet of the command that cause the
 790 *          bus device reset.
 791 *
 792 * Returns:
 793 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 794 *
 795 **************************************************************************/
 796 static int
 797 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
 798 {
 799         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 800         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 801         int ret = FAILED;
 802         unsigned int id, lun;
 803         unsigned long serial;
 804
 805         qla2x00_block_error_handler(cmd);
 806
 807         id = cmd->device->id;
 808         lun = cmd->device->lun;
 809         serial = cmd->serial_number;
 810
 811         if (!fcport)
 812                 return ret;
 813
 814         qla_printk(KERN_INFO, ha,
 815             "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
 816
 817         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 818                 goto eh_dev_reset_done;
 819
 820         if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
 821                 if (qla2x00_device_reset(ha, fcport) == 0)
 822                         ret = SUCCESS;
 823
 824 #if defined(LOGOUT_AFTER_DEVICE_RESET)
 825                 if (ret == SUCCESS) {
 826                         if (fcport->flags & FC_FABRIC_DEVICE) {
 827                                 ha->isp_ops->fabric_logout(ha, fcport->loop_id);
 828                                 qla2x00_mark_device_lost(ha, fcport, 0, 0);
 829                         }
 830                 }
 831 #endif
 832         } else {
 833                 DEBUG2(printk(KERN_INFO
 834                     "%s failed: loop not ready\n",__func__));
 835         }
 836
 837         if (ret == FAILED) {
 838                 DEBUG3(printk("%s(%ld): device reset failed\n",
 839                     __func__, ha->host_no));
 840                 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
 841                     __func__);
 842
 843                 goto eh_dev_reset_done;
 844         }
 845
 846         /* Flush outstanding commands. */
 847         if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
 848                 ret = FAILED;
 849         if (ret == FAILED) {
 850                 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
 851                     __func__, ha->host_no));
 852                 qla_printk(KERN_INFO, ha,
 853                     "%s: failed while waiting for commands\n", __func__);
 854         } else
 855                 qla_printk(KERN_INFO, ha,
 856                     "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
 857                     id, lun);
 858  eh_dev_reset_done:
 859         return ret;
 860 }
 861
 862 /**************************************************************************
 863 * qla2x00_eh_wait_for_pending_commands
 864 *
 865 * Description:
 866 *    Waits for all the commands to come back from the specified host.
 867 *
 868 * Input:
 869 *    ha - pointer to scsi_qla_host structure.
 870 *
 871 * Returns:
 872 *    1 : SUCCESS
 873 *    0 : FAILED
 874 *
 875 * Note:
 876 **************************************************************************/
 877 static int
 878 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
 879 {
 880         int     cnt;
 881         int     status;
 882         srb_t           *sp;
 883         struct scsi_cmnd *cmd;
 884         unsigned long flags;
 885
 886         status = 1;
 887
 888         /*
 889          * Waiting for all commands for the designated target in the active
 890          * array
 891          */
 892         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 893                 spin_lock_irqsave(&ha->hardware_lock, flags);
 894                 sp = ha->outstanding_cmds[cnt];
 895                 if (sp) {
 896                         cmd = sp->cmd;
 897                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 898                         status = qla2x00_eh_wait_on_command(ha, cmd);
 899                         if (status == 0)
 900                                 break;
 901                 }
 902                 else {
 903                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 904                 }
 905         }
 906         return (status);
 907 }
 908
 909
 910 /**************************************************************************
 911 * qla2xxx_eh_bus_reset
 912 *
 913 * Description:
 914 *    The bus reset function will reset the bus and abort any executing
 915 *    commands.
 916 *
 917 * Input:
 918 *    cmd = Linux SCSI command packet of the command that cause the
 919 *          bus reset.
 920 *
 921 * Returns:
 922 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 923 *
 924 **************************************************************************/
 925 static int
 926 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 927 {
 928         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 929         scsi_qla_host_t *pha = to_qla_parent(ha);
 930         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 931         int ret = FAILED;
 932         unsigned int id, lun;
 933         unsigned long serial;
 934
 935         qla2x00_block_error_handler(cmd);
 936
 937         id = cmd->device->id;
 938         lun = cmd->device->lun;
 939         serial = cmd->serial_number;
 940
 941         if (!fcport)
 942                 return ret;
 943
 944         qla_printk(KERN_INFO, ha,
 945             "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
 946
 947         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
 948                 DEBUG2(printk("%s failed:board disabled\n",__func__));
 949                 goto eh_bus_reset_done;
 950         }
 951
 952         if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
 953                 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
 954                         ret = SUCCESS;
 955         }
 956         if (ret == FAILED)
 957                 goto eh_bus_reset_done;
 958
 959         /* Flush outstanding commands. */
 960         if (!qla2x00_eh_wait_for_pending_commands(pha))
 961                 ret = FAILED;
 962
 963 eh_bus_reset_done:
 964         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
 965             (ret == FAILED) ? "failed" : "succeded");
 966
 967         return ret;
 968 }
 969
 970 /**************************************************************************
 971 * qla2xxx_eh_host_reset
 972 *
 973 * Description:
 974 *    The reset function will reset the Adapter.
 975 *
 976 * Input:
 977 *      cmd = Linux SCSI command packet of the command that cause the
 978 *            adapter reset.
 979 *
 980 * Returns:
 981 *      Either SUCCESS or FAILED.
 982 *
 983 * Note:
 984 **************************************************************************/
 985 static int
 986 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 987 {
 988         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 989         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 990         int ret = FAILED;
 991         unsigned int id, lun;
 992         unsigned long serial;
 993         scsi_qla_host_t *pha = to_qla_parent(ha);
 994
 995         qla2x00_block_error_handler(cmd);
 996
 997         id = cmd->device->id;
 998         lun = cmd->device->lun;
 999         serial = cmd->serial_number;
1000
1001         if (!fcport)
1002                 return ret;
1003
1004         qla_printk(KERN_INFO, ha,
1005             "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1006
1007         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1008                 goto eh_host_reset_lock;
1009
1010         /*
1011          * Fixme-may be dpc thread is active and processing
1012          * loop_resync,so wait a while for it to
1013          * be completed and then issue big hammer.Otherwise
1014          * it may cause I/O failure as big hammer marks the
1015          * devices as lost kicking of the port_down_timer
1016          * while dpc is stuck for the mailbox to complete.
1017          */
1018         qla2x00_wait_for_loop_ready(ha);
1019         set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1020         if (qla2x00_abort_isp(pha)) {
1021                 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1022                 /* failed. schedule dpc to try */
1023                 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1024
1025                 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1026                         goto eh_host_reset_lock;
1027         }
1028         clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1029
1030         /* Waiting for our command in done_queue to be returned to OS.*/
1031         if (qla2x00_eh_wait_for_pending_commands(pha))
1032                 ret = SUCCESS;
1033
1034         if (ha->parent)
1035                 qla2x00_vp_abort_isp(ha);
1036
1037 eh_host_reset_lock:
1038         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1039             (ret == FAILED) ? "failed" : "succeded");
1040
1041         return ret;
1042 }
1043
1044 /*
1045 * qla2x00_loop_reset
1046 *      Issue loop reset.
1047 *
1048 * Input:
1049 *      ha = adapter block pointer.
1050 *
1051 * Returns:
1052 *      0 = success
1053 */
1054 int
1055 qla2x00_loop_reset(scsi_qla_host_t *ha)
1056 {
1057         int ret;
1058         struct fc_port *fcport;
1059
1060         if (ha->flags.enable_lip_full_login) {
1061                 ret = qla2x00_full_login_lip(ha);
1062                 if (ret != QLA_SUCCESS) {
1063                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1064                             "full_login_lip=%d.\n", __func__, ha->host_no,
1065                             ret));
1066                 }
1067                 atomic_set(&ha->loop_state, LOOP_DOWN);
1068                 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1069                 qla2x00_mark_all_devices_lost(ha, 0);
1070                 qla2x00_wait_for_loop_ready(ha);
1071         }
1072
1073         if (ha->flags.enable_lip_reset) {
1074                 ret = qla2x00_lip_reset(ha);
1075                 if (ret != QLA_SUCCESS) {
1076                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1077                             "lip_reset=%d.\n", __func__, ha->host_no, ret));
1078                 }
1079                 qla2x00_wait_for_loop_ready(ha);
1080         }
1081
1082         if (ha->flags.enable_target_reset) {
1083                 list_for_each_entry(fcport, &ha->fcports, list) {
1084                         if (fcport->port_type != FCT_TARGET)
1085                                 continue;
1086
1087                         ret = qla2x00_device_reset(ha, fcport);
1088                         if (ret != QLA_SUCCESS) {
1089                                 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1090                                     "target_reset=%d d_id=%x.\n", __func__,
1091                                     ha->host_no, ret, fcport->d_id.b24));
1092                         }
1093                 }
1094         }
1095
1096         /* Issue marker command only when we are going to start the I/O */
1097         ha->marker_needed = 1;
1098
1099         return QLA_SUCCESS;
1100 }
1101
1102 /*
1103  * qla2x00_device_reset
1104  *      Issue bus device reset message to the target.
1105  *
1106  * Input:
1107  *      ha = adapter block pointer.
1108  *      t = SCSI ID.
1109  *      TARGET_QUEUE_LOCK must be released.
1110  *      ADAPTER_STATE_LOCK must be released.
1111  *
1112  * Context:
1113  *      Kernel context.
1114  */
1115 static int
1116 qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1117 {
1118         /* Abort Target command will clear Reservation */
1119         return ha->isp_ops->abort_target(reset_fcport);
1120 }
1121
1122 static int
1123 qla2xxx_slave_alloc(struct scsi_device *sdev)
1124 {
1125         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1126
1127         if (!rport || fc_remote_port_chkready(rport))
1128                 return -ENXIO;
1129
1130         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1131
1132         return 0;
1133 }
1134
1135 static int
1136 qla2xxx_slave_configure(struct scsi_device *sdev)
1137 {
1138         scsi_qla_host_t *ha = shost_priv(sdev->host);
1139         struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1140
1141         if (sdev->tagged_supported)
1142                 scsi_activate_tcq(sdev, ha->max_q_depth);
1143         else
1144                 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1145
1146         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1147
1148         return 0;
1149 }
1150
1151 static void
1152 qla2xxx_slave_destroy(struct scsi_device *sdev)
1153 {
1154         sdev->hostdata = NULL;
1155 }
1156
1157 static int
1158 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1159 {
1160         scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1161         return sdev->queue_depth;
1162 }
1163
1164 static int
1165 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1166 {
1167         if (sdev->tagged_supported) {
1168                 scsi_set_tag_type(sdev, tag_type);
1169                 if (tag_type)
1170                         scsi_activate_tcq(sdev, sdev->queue_depth);
1171                 else
1172                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1173         } else
1174                 tag_type = 0;
1175
1176         return tag_type;
1177 }
1178
1179 /**
1180  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1181  * @ha: HA context
1182  *
1183  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1184  * supported addressing method.
1185  */
1186 static void
1187 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1188 {
1189         /* Assume a 32bit DMA mask. */
1190         ha->flags.enable_64bit_addressing = 0;
1191
1192         if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1193                 /* Any upper-dword bits set? */
1194                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1195                     !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1196                         /* Ok, a 64bit DMA mask is applicable. */
1197                         ha->flags.enable_64bit_addressing = 1;
1198                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1199                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1200                         return;
1201                 }
1202         }
1203
1204         dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1205         pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1206 }
1207
1208 static void
1209 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1210 {
1211         unsigned long flags = 0;
1212         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1213
1214         spin_lock_irqsave(&ha->hardware_lock, flags);
1215         ha->interrupts_on = 1;
1216         /* enable risc and host interrupts */
1217         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1218         RD_REG_WORD(&reg->ictrl);
1219         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1220
1221 }
1222
1223 static void
1224 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1225 {
1226         unsigned long flags = 0;
1227         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1228
1229         spin_lock_irqsave(&ha->hardware_lock, flags);
1230         ha->interrupts_on = 0;
1231         /* disable risc and host interrupts */
1232         WRT_REG_WORD(&reg->ictrl, 0);
1233         RD_REG_WORD(&reg->ictrl);
1234         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1235 }
1236
1237 static void
1238 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1239 {
1240         unsigned long flags = 0;
1241         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1242
1243         spin_lock_irqsave(&ha->hardware_lock, flags);
1244         ha->interrupts_on = 1;
1245         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1246         RD_REG_DWORD(&reg->ictrl);
1247         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1248 }
1249
1250 static void
1251 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1252 {
1253         unsigned long flags = 0;
1254         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1255
1256         spin_lock_irqsave(&ha->hardware_lock, flags);
1257         ha->interrupts_on = 0;
1258         WRT_REG_DWORD(&reg->ictrl, 0);
1259         RD_REG_DWORD(&reg->ictrl);
1260         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1261 }
1262
1263 static struct isp_operations qla2100_isp_ops = {
1264         .pci_config             = qla2100_pci_config,
1265         .reset_chip             = qla2x00_reset_chip,
1266         .chip_diag              = qla2x00_chip_diag,
1267         .config_rings           = qla2x00_config_rings,
1268         .reset_adapter          = qla2x00_reset_adapter,
1269         .nvram_config           = qla2x00_nvram_config,
1270         .update_fw_options      = qla2x00_update_fw_options,
1271         .load_risc              = qla2x00_load_risc,
1272         .pci_info_str           = qla2x00_pci_info_str,
1273         .fw_version_str         = qla2x00_fw_version_str,
1274         .intr_handler           = qla2100_intr_handler,
1275         .enable_intrs           = qla2x00_enable_intrs,
1276         .disable_intrs          = qla2x00_disable_intrs,
1277         .abort_command          = qla2x00_abort_command,
1278         .abort_target           = qla2x00_abort_target,
1279         .fabric_login           = qla2x00_login_fabric,
1280         .fabric_logout          = qla2x00_fabric_logout,
1281         .calc_req_entries       = qla2x00_calc_iocbs_32,
1282         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1283         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1284         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1285         .read_nvram             = qla2x00_read_nvram_data,
1286         .write_nvram            = qla2x00_write_nvram_data,
1287         .fw_dump                = qla2100_fw_dump,
1288         .beacon_on              = NULL,
1289         .beacon_off             = NULL,
1290         .beacon_blink           = NULL,
1291         .read_optrom            = qla2x00_read_optrom_data,
1292         .write_optrom           = qla2x00_write_optrom_data,
1293         .get_flash_version      = qla2x00_get_flash_version,
1294 };
1295
1296 static struct isp_operations qla2300_isp_ops = {
1297         .pci_config             = qla2300_pci_config,
1298         .reset_chip             = qla2x00_reset_chip,
1299         .chip_diag              = qla2x00_chip_diag,
1300         .config_rings           = qla2x00_config_rings,
1301         .reset_adapter          = qla2x00_reset_adapter,
1302         .nvram_config           = qla2x00_nvram_config,
1303         .update_fw_options      = qla2x00_update_fw_options,
1304         .load_risc              = qla2x00_load_risc,
1305         .pci_info_str           = qla2x00_pci_info_str,
1306         .fw_version_str         = qla2x00_fw_version_str,
1307         .intr_handler           = qla2300_intr_handler,
1308         .enable_intrs           = qla2x00_enable_intrs,
1309         .disable_intrs          = qla2x00_disable_intrs,
1310         .abort_command          = qla2x00_abort_command,
1311         .abort_target           = qla2x00_abort_target,
1312         .fabric_login           = qla2x00_login_fabric,
1313         .fabric_logout          = qla2x00_fabric_logout,
1314         .calc_req_entries       = qla2x00_calc_iocbs_32,
1315         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1316         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1317         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1318         .read_nvram             = qla2x00_read_nvram_data,
1319         .write_nvram            = qla2x00_write_nvram_data,
1320         .fw_dump                = qla2300_fw_dump,
1321         .beacon_on              = qla2x00_beacon_on,
1322         .beacon_off             = qla2x00_beacon_off,
1323         .beacon_blink           = qla2x00_beacon_blink,
1324         .read_optrom            = qla2x00_read_optrom_data,
1325         .write_optrom           = qla2x00_write_optrom_data,
1326         .get_flash_version      = qla2x00_get_flash_version,
1327 };
1328
1329 static struct isp_operations qla24xx_isp_ops = {
1330         .pci_config             = qla24xx_pci_config,
1331         .reset_chip             = qla24xx_reset_chip,
1332         .chip_diag              = qla24xx_chip_diag,
1333         .config_rings           = qla24xx_config_rings,
1334         .reset_adapter          = qla24xx_reset_adapter,
1335         .nvram_config           = qla24xx_nvram_config,
1336         .update_fw_options      = qla24xx_update_fw_options,
1337         .load_risc              = qla24xx_load_risc,
1338         .pci_info_str           = qla24xx_pci_info_str,
1339         .fw_version_str         = qla24xx_fw_version_str,
1340         .intr_handler           = qla24xx_intr_handler,
1341         .enable_intrs           = qla24xx_enable_intrs,
1342         .disable_intrs          = qla24xx_disable_intrs,
1343         .abort_command          = qla24xx_abort_command,
1344         .abort_target           = qla24xx_abort_target,
1345         .fabric_login           = qla24xx_login_fabric,
1346         .fabric_logout          = qla24xx_fabric_logout,
1347         .calc_req_entries       = NULL,
1348         .build_iocbs            = NULL,
1349         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1350         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1351         .read_nvram             = qla24xx_read_nvram_data,
1352         .write_nvram            = qla24xx_write_nvram_data,
1353         .fw_dump                = qla24xx_fw_dump,
1354         .beacon_on              = qla24xx_beacon_on,
1355         .beacon_off             = qla24xx_beacon_off,
1356         .beacon_blink           = qla24xx_beacon_blink,
1357         .read_optrom            = qla24xx_read_optrom_data,
1358         .write_optrom           = qla24xx_write_optrom_data,
1359         .get_flash_version      = qla24xx_get_flash_version,
1360 };
1361
1362 static struct isp_operations qla25xx_isp_ops = {
1363         .pci_config             = qla25xx_pci_config,
1364         .reset_chip             = qla24xx_reset_chip,
1365         .chip_diag              = qla24xx_chip_diag,
1366         .config_rings           = qla24xx_config_rings,
1367         .reset_adapter          = qla24xx_reset_adapter,
1368         .nvram_config           = qla24xx_nvram_config,
1369         .update_fw_options      = qla24xx_update_fw_options,
1370         .load_risc              = qla24xx_load_risc,
1371         .pci_info_str           = qla24xx_pci_info_str,
1372         .fw_version_str         = qla24xx_fw_version_str,
1373         .intr_handler           = qla24xx_intr_handler,
1374         .enable_intrs           = qla24xx_enable_intrs,
1375         .disable_intrs          = qla24xx_disable_intrs,
1376         .abort_command          = qla24xx_abort_command,
1377         .abort_target           = qla24xx_abort_target,
1378         .fabric_login           = qla24xx_login_fabric,
1379         .fabric_logout          = qla24xx_fabric_logout,
1380         .calc_req_entries       = NULL,
1381         .build_iocbs            = NULL,
1382         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1383         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1384         .read_nvram             = qla25xx_read_nvram_data,
1385         .write_nvram            = qla25xx_write_nvram_data,
1386         .fw_dump                = qla25xx_fw_dump,
1387         .beacon_on              = qla24xx_beacon_on,
1388         .beacon_off             = qla24xx_beacon_off,
1389         .beacon_blink           = qla24xx_beacon_blink,
1390         .read_optrom            = qla25xx_read_optrom_data,
1391         .write_optrom           = qla24xx_write_optrom_data,
1392         .get_flash_version      = qla24xx_get_flash_version,
1393 };
1394
1395 static inline void
1396 qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1397 {
1398         ha->device_type = DT_EXTENDED_IDS;
1399         switch (ha->pdev->device) {
1400         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1401                 ha->device_type |= DT_ISP2100;
1402                 ha->device_type &= ~DT_EXTENDED_IDS;
1403                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1404                 break;
1405         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1406                 ha->device_type |= DT_ISP2200;
1407                 ha->device_type &= ~DT_EXTENDED_IDS;
1408                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1409                 break;
1410         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1411                 ha->device_type |= DT_ISP2300;
1412                 ha->device_type |= DT_ZIO_SUPPORTED;
1413                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1414                 break;
1415         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1416                 ha->device_type |= DT_ISP2312;
1417                 ha->device_type |= DT_ZIO_SUPPORTED;
1418                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1419                 break;
1420         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1421                 ha->device_type |= DT_ISP2322;
1422                 ha->device_type |= DT_ZIO_SUPPORTED;
1423                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1424                     ha->pdev->subsystem_device == 0x0170)
1425                         ha->device_type |= DT_OEM_001;
1426                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1427                 break;
1428         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1429                 ha->device_type |= DT_ISP6312;
1430                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1431                 break;
1432         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1433                 ha->device_type |= DT_ISP6322;
1434                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1435                 break;
1436         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1437                 ha->device_type |= DT_ISP2422;
1438                 ha->device_type |= DT_ZIO_SUPPORTED;
1439                 ha->device_type |= DT_FWI2;
1440                 ha->device_type |= DT_IIDMA;
1441                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1442                 break;
1443         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1444                 ha->device_type |= DT_ISP2432;
1445                 ha->device_type |= DT_ZIO_SUPPORTED;
1446                 ha->device_type |= DT_FWI2;
1447                 ha->device_type |= DT_IIDMA;
1448                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1449                 break;
1450         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1451                 ha->device_type |= DT_ISP5422;
1452                 ha->device_type |= DT_FWI2;
1453                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1454                 break;
1455         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1456                 ha->device_type |= DT_ISP5432;
1457                 ha->device_type |= DT_FWI2;
1458                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1459                 break;
1460         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1461                 ha->device_type |= DT_ISP2532;
1462                 ha->device_type |= DT_ZIO_SUPPORTED;
1463                 ha->device_type |= DT_FWI2;
1464                 ha->device_type |= DT_IIDMA;
1465                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1466                 break;
1467         }
1468 }
1469
1470 static int
1471 qla2x00_iospace_config(scsi_qla_host_t *ha)
1472 {
1473         resource_size_t pio;
1474
1475         if (pci_request_selected_regions(ha->pdev, ha->bars,
1476             QLA2XXX_DRIVER_NAME)) {
1477                 qla_printk(KERN_WARNING, ha,
1478                     "Failed to reserve PIO/MMIO regions (%s)\n",
1479                     pci_name(ha->pdev));
1480
1481                 goto iospace_error_exit;
1482         }
1483         if (!(ha->bars & 1))
1484                 goto skip_pio;
1485
1486         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1487         pio = pci_resource_start(ha->pdev, 0);
1488         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1489                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1490                         qla_printk(KERN_WARNING, ha,
1491                             "Invalid PCI I/O region size (%s)...\n",
1492                                 pci_name(ha->pdev));
1493                         pio = 0;
1494                 }
1495         } else {
1496                 qla_printk(KERN_WARNING, ha,
1497                     "region #0 not a PIO resource (%s)...\n",
1498                     pci_name(ha->pdev));
1499                 pio = 0;
1500         }
1501         ha->pio_address = pio;
1502
1503 skip_pio:
1504         /* Use MMIO operations for all accesses. */
1505         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1506                 qla_printk(KERN_ERR, ha,
1507                     "region #1 not an MMIO resource (%s), aborting\n",
1508                     pci_name(ha->pdev));
1509                 goto iospace_error_exit;
1510         }
1511         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1512                 qla_printk(KERN_ERR, ha,
1513                     "Invalid PCI mem region size (%s), aborting\n",
1514                         pci_name(ha->pdev));
1515                 goto iospace_error_exit;
1516         }
1517
1518         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1519         if (!ha->iobase) {
1520                 qla_printk(KERN_ERR, ha,
1521                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1522
1523                 goto iospace_error_exit;
1524         }
1525
1526         return (0);
1527
1528 iospace_error_exit:
1529         return (-ENOMEM);
1530 }
1531
1532 static void
1533 qla2xxx_scan_start(struct Scsi_Host *shost)
1534 {
1535         scsi_qla_host_t *ha = shost_priv(shost);
1536
1537         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1538         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1539         set_bit(RSCN_UPDATE, &ha->dpc_flags);
1540 }
1541
1542 static int
1543 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1544 {
1545         scsi_qla_host_t *ha = shost_priv(shost);
1546
1547         if (!ha->host)
1548                 return 1;
1549         if (time > ha->loop_reset_delay * HZ)
1550                 return 1;
1551
1552         return atomic_read(&ha->loop_state) == LOOP_READY;
1553 }
1554
1555 /*
1556  * PCI driver interface
1557  */
1558 static int __devinit
1559 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1560 {
1561         int     ret = -ENODEV;
1562         device_reg_t __iomem *reg;
1563         struct Scsi_Host *host;
1564         scsi_qla_host_t *ha;
1565         unsigned long   flags = 0;
1566         char pci_info[30];
1567         char fw_str[30];
1568         struct scsi_host_template *sht;
1569         int bars;
1570
1571         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1572         sht = &qla2x00_driver_template;
1573         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1574             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1575             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1576             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1577             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1578                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1579                 sht = &qla24xx_driver_template;
1580         }
1581
1582         if (pci_enable_device_bars(pdev, bars))
1583                 goto probe_out;
1584
1585         if (pci_find_aer_capability(pdev))
1586                 if (pci_enable_pcie_error_reporting(pdev))
1587                         goto probe_out;
1588
1589         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1590         if (host == NULL) {
1591                 printk(KERN_WARNING
1592                     "qla2xxx: Couldn't allocate host from scsi layer!\n");
1593                 goto probe_disable_device;
1594         }
1595
1596         /* Clear our data area */
1597         ha = shost_priv(host);
1598         memset(ha, 0, sizeof(scsi_qla_host_t));
1599
1600         ha->pdev = pdev;
1601         ha->host = host;
1602         ha->host_no = host->host_no;
1603         sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
1604         ha->parent = NULL;
1605         ha->bars = bars;
1606
1607         /* Set ISP-type information. */
1608         qla2x00_set_isp_flags(ha);
1609
1610         /* Configure PCI I/O space */
1611         ret = qla2x00_iospace_config(ha);
1612         if (ret)
1613                 goto probe_failed;
1614
1615         qla_printk(KERN_INFO, ha,
1616             "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1617             ha->iobase);
1618
1619         spin_lock_init(&ha->hardware_lock);
1620
1621         ha->prev_topology = 0;
1622         ha->init_cb_size = sizeof(init_cb_t);
1623         ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
1624         ha->link_data_rate = PORT_SPEED_UNKNOWN;
1625         ha->optrom_size = OPTROM_SIZE_2300;
1626
1627         ha->max_q_depth = MAX_Q_DEPTH;
1628         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1629                 ha->max_q_depth = ql2xmaxqdepth;
1630
1631         /* Assign ISP specific operations. */
1632         if (IS_QLA2100(ha)) {
1633                 host->max_id = MAX_TARGETS_2100;
1634                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1635                 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1636                 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1637                 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1638                 host->sg_tablesize = 32;
1639                 ha->gid_list_info_size = 4;
1640                 ha->isp_ops = &qla2100_isp_ops;
1641         } else if (IS_QLA2200(ha)) {
1642                 host->max_id = MAX_TARGETS_2200;
1643                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1644                 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1645                 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1646                 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1647                 ha->gid_list_info_size = 4;
1648                 ha->isp_ops = &qla2100_isp_ops;
1649         } else if (IS_QLA23XX(ha)) {
1650                 host->max_id = MAX_TARGETS_2200;
1651                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1652                 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1653                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1654                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1655                 ha->gid_list_info_size = 6;
1656                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1657                         ha->optrom_size = OPTROM_SIZE_2322;
1658                 ha->isp_ops = &qla2300_isp_ops;
1659         } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1660                 host->max_id = MAX_TARGETS_2200;
1661                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1662                 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1663                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1664                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1665                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1666                 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1667                 ha->gid_list_info_size = 8;
1668                 ha->optrom_size = OPTROM_SIZE_24XX;
1669                 ha->isp_ops = &qla24xx_isp_ops;
1670         } else if (IS_QLA25XX(ha)) {
1671                 host->max_id = MAX_TARGETS_2200;
1672                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1673                 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1674                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1675                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1676                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1677                 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1678                 ha->gid_list_info_size = 8;
1679                 ha->optrom_size = OPTROM_SIZE_25XX;
1680                 ha->isp_ops = &qla25xx_isp_ops;
1681         }
1682         host->can_queue = ha->request_q_length + 128;
1683
1684         /* load the F/W, read paramaters, and init the H/W */
1685         ha->instance = num_hosts;
1686
1687         init_MUTEX(&ha->vport_sem);
1688         init_completion(&ha->mbx_cmd_comp);
1689         complete(&ha->mbx_cmd_comp);
1690         init_completion(&ha->mbx_intr_comp);
1691
1692         INIT_LIST_HEAD(&ha->list);
1693         INIT_LIST_HEAD(&ha->fcports);
1694         INIT_LIST_HEAD(&ha->vp_list);
1695
1696         set_bit(0, (unsigned long *) ha->vp_idx_map);
1697
1698         qla2x00_config_dma_addressing(ha);
1699         if (qla2x00_mem_alloc(ha)) {
1700                 qla_printk(KERN_WARNING, ha,
1701                     "[ERROR] Failed to allocate memory for adapter\n");
1702
1703                 ret = -ENOMEM;
1704                 goto probe_failed;
1705         }
1706
1707         if (qla2x00_initialize_adapter(ha)) {
1708                 qla_printk(KERN_WARNING, ha,
1709                     "Failed to initialize adapter\n");
1710
1711                 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1712                     "Adapter flags %x.\n",
1713                     ha->host_no, ha->device_flags));
1714
1715                 ret = -ENODEV;
1716                 goto probe_failed;
1717         }
1718
1719         /*
1720          * Startup the kernel thread for this host adapter
1721          */
1722         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1723                         "%s_dpc", ha->host_str);
1724         if (IS_ERR(ha->dpc_thread)) {
1725                 qla_printk(KERN_WARNING, ha,
1726                     "Unable to start DPC thread!\n");
1727                 ret = PTR_ERR(ha->dpc_thread);
1728                 goto probe_failed;
1729         }
1730
1731         host->this_id = 255;
1732         host->cmd_per_lun = 3;
1733         host->unique_id = ha->instance;
1734         host->max_cmd_len = MAX_CMDSZ;
1735         host->max_channel = MAX_BUSES - 1;
1736         host->max_lun = MAX_LUNS;
1737         host->transportt = qla2xxx_transport_template;
1738
1739         ret = qla2x00_request_irqs(ha);
1740         if (ret)
1741                 goto probe_failed;
1742
1743         /* Initialized the timer */
1744         qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1745
1746         DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1747             ha->host_no, ha));
1748
1749         ha->isp_ops->disable_intrs(ha);
1750
1751         spin_lock_irqsave(&ha->hardware_lock, flags);
1752         reg = ha->iobase;
1753         if (IS_FWI2_CAPABLE(ha)) {
1754                 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
1755                 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
1756         } else {
1757                 WRT_REG_WORD(&reg->isp.semaphore, 0);
1758                 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_RISC_INT);
1759                 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_HOST_INT);
1760
1761                 /* Enable proper parity */
1762                 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1763                         if (IS_QLA2300(ha))
1764                                 /* SRAM parity */
1765                                 WRT_REG_WORD(&reg->isp.hccr,
1766                                     (HCCR_ENABLE_PARITY + 0x1));
1767                         else
1768                                 /* SRAM, Instruction RAM and GP RAM parity */
1769                                 WRT_REG_WORD(&reg->isp.hccr,
1770                                     (HCCR_ENABLE_PARITY + 0x7));
1771                 }
1772         }
1773         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1774
1775         ha->isp_ops->enable_intrs(ha);
1776
1777         pci_set_drvdata(pdev, ha);
1778
1779         ha->flags.init_done = 1;
1780         ha->flags.online = 1;
1781
1782         num_hosts++;
1783
1784         ret = scsi_add_host(host, &pdev->dev);
1785         if (ret)
1786                 goto probe_failed;
1787
1788         scsi_scan_host(host);
1789
1790         qla2x00_alloc_sysfs_attr(ha);
1791
1792         qla2x00_init_host_attr(ha);
1793
1794         qla2x00_dfs_setup(ha);
1795
1796         qla_printk(KERN_INFO, ha, "\n"
1797             " QLogic Fibre Channel HBA Driver: %s\n"
1798             "  QLogic %s - %s\n"
1799             "  ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1800             qla2x00_version_str, ha->model_number,
1801             ha->model_desc ? ha->model_desc: "", pdev->device,
1802             ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
1803             ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1804             ha->isp_ops->fw_version_str(ha, fw_str));
1805
1806         return 0;
1807
1808 probe_failed:
1809         qla2x00_free_device(ha);
1810
1811         scsi_host_put(host);
1812
1813 probe_disable_device:
1814         pci_disable_device(pdev);
1815
1816 probe_out:
1817         return ret;
1818 }
1819
1820 static void
1821 qla2x00_remove_one(struct pci_dev *pdev)
1822 {
1823         scsi_qla_host_t *ha;
1824
1825         ha = pci_get_drvdata(pdev);
1826
1827         qla2x00_dfs_remove(ha);
1828
1829         qla2x00_free_sysfs_attr(ha);
1830
1831         fc_remove_host(ha->host);
1832
1833         scsi_remove_host(ha->host);
1834
1835         qla2x00_free_device(ha);
1836
1837         scsi_host_put(ha->host);
1838
1839         pci_disable_device(pdev);
1840         pci_set_drvdata(pdev, NULL);
1841 }
1842
1843 static void
1844 qla2x00_free_device(scsi_qla_host_t *ha)
1845 {
1846         /* Disable timer */
1847         if (ha->timer_active)
1848                 qla2x00_stop_timer(ha);
1849
1850         /* Kill the kernel thread for this host */
1851         if (ha->dpc_thread) {
1852                 struct task_struct *t = ha->dpc_thread;
1853
1854                 /*
1855                  * qla2xxx_wake_dpc checks for ->dpc_thread
1856                  * so we need to zero it out.
1857                  */
1858                 ha->dpc_thread = NULL;
1859                 kthread_stop(t);
1860         }
1861
1862         if (ha->flags.fce_enabled)
1863                 qla2x00_disable_fce_trace(ha, NULL, NULL);
1864
1865         if (ha->eft)
1866                 qla2x00_disable_eft_trace(ha);
1867
1868         ha->flags.online = 0;
1869
1870         /* Stop currently executing firmware. */
1871         qla2x00_try_to_stop_firmware(ha);
1872
1873         /* turn-off interrupts on the card */
1874         if (ha->interrupts_on)
1875                 ha->isp_ops->disable_intrs(ha);
1876
1877         qla2x00_mem_free(ha);
1878
1879         qla2x00_free_irqs(ha);
1880
1881         /* release io space registers  */
1882         if (ha->iobase)
1883                 iounmap(ha->iobase);
1884         pci_release_selected_regions(ha->pdev, ha->bars);
1885 }
1886
1887 static inline void
1888 qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1889     int defer)
1890 {
1891         unsigned long flags;
1892         struct fc_rport *rport;
1893
1894         if (!fcport->rport)
1895                 return;
1896
1897         rport = fcport->rport;
1898         if (defer) {
1899                 spin_lock_irqsave(&fcport->rport_lock, flags);
1900                 fcport->drport = rport;
1901                 fcport->rport = NULL;
1902                 *(fc_port_t **)rport->dd_data = NULL;
1903                 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1904                 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1905         } else {
1906                 spin_lock_irqsave(&fcport->rport_lock, flags);
1907                 fcport->rport = NULL;
1908                 *(fc_port_t **)rport->dd_data = NULL;
1909                 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1910                 fc_remote_port_delete(rport);
1911         }
1912 }
1913
1914 /*
1915  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1916  *
1917  * Input: ha = adapter block pointer.  fcport = port structure pointer.
1918  *
1919  * Return: None.
1920  *
1921  * Context:
1922  */
1923 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1924     int do_login, int defer)
1925 {
1926         if (atomic_read(&fcport->state) == FCS_ONLINE &&
1927             ha->vp_idx == fcport->vp_idx)
1928                 qla2x00_schedule_rport_del(ha, fcport, defer);
1929
1930         /*
1931          * We may need to retry the login, so don't change the state of the
1932          * port but do the retries.
1933          */
1934         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1935                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1936
1937         if (!do_login)
1938                 return;
1939
1940         if (fcport->login_retry == 0) {
1941                 fcport->login_retry = ha->login_retry_count;
1942                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1943
1944                 DEBUG(printk("scsi(%ld): Port login retry: "
1945                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
1946                     "id = 0x%04x retry cnt=%d\n",
1947                     ha->host_no,
1948                     fcport->port_name[0],
1949                     fcport->port_name[1],
1950                     fcport->port_name[2],
1951                     fcport->port_name[3],
1952                     fcport->port_name[4],
1953                     fcport->port_name[5],
1954                     fcport->port_name[6],
1955                     fcport->port_name[7],
1956                     fcport->loop_id,
1957                     fcport->login_retry));
1958         }
1959 }
1960
1961 /*
1962  * qla2x00_mark_all_devices_lost
1963  *      Updates fcport state when device goes offline.
1964  *
1965  * Input:
1966  *      ha = adapter block pointer.
1967  *      fcport = port structure pointer.
1968  *
1969  * Return:
1970  *      None.
1971  *
1972  * Context:
1973  */
1974 void
1975 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1976 {
1977         fc_port_t *fcport;
1978         scsi_qla_host_t *pha = to_qla_parent(ha);
1979
1980         list_for_each_entry(fcport, &pha->fcports, list) {
1981                 if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
1982                         continue;
1983                 /*
1984                  * No point in marking the device as lost, if the device is
1985                  * already DEAD.
1986                  */
1987                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1988                         continue;
1989                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1990                         if (defer)
1991                                 qla2x00_schedule_rport_del(ha, fcport, defer);
1992                         else if (ha->vp_idx == fcport->vp_idx)
1993                                 qla2x00_schedule_rport_del(ha, fcport, defer);
1994                 }
1995                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1996         }
1997
1998         if (defer)
1999                 qla2xxx_wake_dpc(ha);
2000 }
2001
2002 /*
2003 * qla2x00_mem_alloc
2004 *      Allocates adapter memory.
2005 *
2006 * Returns:
2007 *      0  = success.
2008 *      1  = failure.
2009 */
2010 static uint8_t
2011 qla2x00_mem_alloc(scsi_qla_host_t *ha)
2012 {
2013         char    name[16];
2014         uint8_t   status = 1;
2015         int     retry= 10;
2016
2017         do {
2018                 /*
2019                  * This will loop only once if everything goes well, else some
2020                  * number of retries will be performed to get around a kernel
2021                  * bug where available mem is not allocated until after a
2022                  * little delay and a retry.
2023                  */
2024                 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
2025                     (ha->request_q_length + 1) * sizeof(request_t),
2026                     &ha->request_dma, GFP_KERNEL);
2027                 if (ha->request_ring == NULL) {
2028                         qla_printk(KERN_WARNING, ha,
2029                             "Memory Allocation failed - request_ring\n");
2030
2031                         qla2x00_mem_free(ha);
2032                         msleep(100);
2033
2034                         continue;
2035                 }
2036
2037                 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
2038                     (ha->response_q_length + 1) * sizeof(response_t),
2039                     &ha->response_dma, GFP_KERNEL);
2040                 if (ha->response_ring == NULL) {
2041                         qla_printk(KERN_WARNING, ha,
2042                             "Memory Allocation failed - response_ring\n");
2043
2044                         qla2x00_mem_free(ha);
2045                         msleep(100);
2046
2047                         continue;
2048                 }
2049
2050                 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2051                     &ha->gid_list_dma, GFP_KERNEL);
2052                 if (ha->gid_list == NULL) {
2053                         qla_printk(KERN_WARNING, ha,
2054                             "Memory Allocation failed - gid_list\n");
2055
2056                         qla2x00_mem_free(ha);
2057                         msleep(100);
2058
2059                         continue;
2060                 }
2061
2062                 /* get consistent memory allocated for init control block */
2063                 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev,
2064                     ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL);
2065                 if (ha->init_cb == NULL) {
2066                         qla_printk(KERN_WARNING, ha,
2067                             "Memory Allocation failed - init_cb\n");
2068
2069                         qla2x00_mem_free(ha);
2070                         msleep(100);
2071
2072                         continue;
2073                 }
2074                 memset(ha->init_cb, 0, ha->init_cb_size);
2075
2076                 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
2077                     ha->host_no);
2078                 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2079                     DMA_POOL_SIZE, 8, 0);
2080                 if (ha->s_dma_pool == NULL) {
2081                         qla_printk(KERN_WARNING, ha,
2082                             "Memory Allocation failed - s_dma_pool\n");
2083
2084                         qla2x00_mem_free(ha);
2085                         msleep(100);
2086
2087                         continue;
2088                 }
2089
2090                 if (qla2x00_allocate_sp_pool(ha)) {
2091                         qla_printk(KERN_WARNING, ha,
2092                             "Memory Allocation failed - "
2093                             "qla2x00_allocate_sp_pool()\n");
2094
2095                         qla2x00_mem_free(ha);
2096                         msleep(100);
2097
2098                         continue;
2099                 }
2100
2101                 /* Allocate memory for SNS commands */
2102                 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2103                         /* Get consistent memory allocated for SNS commands */
2104                         ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2105                             sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
2106                             GFP_KERNEL);
2107                         if (ha->sns_cmd == NULL) {
2108                                 /* error */
2109                                 qla_printk(KERN_WARNING, ha,
2110                                     "Memory Allocation failed - sns_cmd\n");
2111
2112                                 qla2x00_mem_free(ha);
2113                                 msleep(100);
2114
2115                                 continue;
2116                         }
2117                         memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
2118                 } else {
2119                         /* Get consistent memory allocated for MS IOCB */
2120                         ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2121                             &ha->ms_iocb_dma);
2122                         if (ha->ms_iocb == NULL) {
2123                                 /* error */
2124                                 qla_printk(KERN_WARNING, ha,
2125                                     "Memory Allocation failed - ms_iocb\n");
2126
2127                                 qla2x00_mem_free(ha);
2128                                 msleep(100);
2129
2130                                 continue;
2131                         }
2132                         memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
2133
2134                         /*
2135                          * Get consistent memory allocated for CT SNS
2136                          * commands
2137                          */
2138                         ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2139                             sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
2140                             GFP_KERNEL);
2141                         if (ha->ct_sns == NULL) {
2142                                 /* error */
2143                                 qla_printk(KERN_WARNING, ha,
2144                                     "Memory Allocation failed - ct_sns\n");
2145
2146                                 qla2x00_mem_free(ha);
2147                                 msleep(100);
2148
2149                                 continue;
2150                         }
2151                         memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
2152
2153                         if (IS_FWI2_CAPABLE(ha)) {
2154                                 /*
2155                                  * Get consistent memory allocated for SFP
2156                                  * block.
2157                                  */
2158                                 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool,
2159                                     GFP_KERNEL, &ha->sfp_data_dma);
2160                                 if (ha->sfp_data == NULL) {
2161                                         qla_printk(KERN_WARNING, ha,
2162                                             "Memory Allocation failed - "
2163                                             "sfp_data\n");
2164
2165                                         qla2x00_mem_free(ha);
2166                                         msleep(100);
2167
2168                                         continue;
2169                                 }
2170                                 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
2171                         }
2172                 }
2173
2174                 /* Get memory for cached NVRAM */
2175                 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2176                 if (ha->nvram == NULL) {
2177                         /* error */
2178                         qla_printk(KERN_WARNING, ha,
2179                             "Memory Allocation failed - nvram cache\n");
2180
2181                         qla2x00_mem_free(ha);
2182                         msleep(100);
2183
2184                         continue;
2185                 }
2186
2187                 /* Done all allocations without any error. */
2188                 status = 0;
2189
2190         } while (retry-- && status != 0);
2191
2192         if (status) {
2193                 printk(KERN_WARNING
2194                         "%s(): **** FAILED ****\n", __func__);
2195         }
2196
2197         return(status);
2198 }
2199
2200 /*
2201 * qla2x00_mem_free
2202 *      Frees all adapter allocated memory.
2203 *
2204 * Input:
2205 *      ha = adapter block pointer.
2206 */
2207 static void
2208 qla2x00_mem_free(scsi_qla_host_t *ha)
2209 {
2210         struct list_head        *fcpl, *fcptemp;
2211         fc_port_t       *fcport;
2212
2213         if (ha == NULL) {
2214                 /* error */
2215                 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2216                 return;
2217         }
2218
2219         /* free sp pool */
2220         qla2x00_free_sp_pool(ha);
2221
2222         if (ha->fce)
2223                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2224                     ha->fce_dma);
2225
2226         if (ha->fw_dump) {
2227                 if (ha->eft)
2228                         dma_free_coherent(&ha->pdev->dev,
2229                             ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2230                 vfree(ha->fw_dump);
2231         }
2232
2233         if (ha->sns_cmd)
2234                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2235                     ha->sns_cmd, ha->sns_cmd_dma);
2236
2237         if (ha->ct_sns)
2238                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2239                     ha->ct_sns, ha->ct_sns_dma);
2240
2241         if (ha->sfp_data)
2242                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2243
2244         if (ha->ms_iocb)
2245                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2246
2247         if (ha->s_dma_pool)
2248                 dma_pool_destroy(ha->s_dma_pool);
2249
2250         if (ha->init_cb)
2251                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2252                     ha->init_cb, ha->init_cb_dma);
2253
2254         if (ha->gid_list)
2255                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2256                     ha->gid_list_dma);
2257
2258         if (ha->response_ring)
2259                 dma_free_coherent(&ha->pdev->dev,
2260                     (ha->response_q_length + 1) * sizeof(response_t),
2261                     ha->response_ring, ha->response_dma);
2262
2263         if (ha->request_ring)
2264                 dma_free_coherent(&ha->pdev->dev,
2265                     (ha->request_q_length + 1) * sizeof(request_t),
2266                     ha->request_ring, ha->request_dma);
2267
2268         ha->eft = NULL;
2269         ha->eft_dma = 0;
2270         ha->sns_cmd = NULL;
2271         ha->sns_cmd_dma = 0;
2272         ha->ct_sns = NULL;
2273         ha->ct_sns_dma = 0;
2274         ha->ms_iocb = NULL;
2275         ha->ms_iocb_dma = 0;
2276         ha->init_cb = NULL;
2277         ha->init_cb_dma = 0;
2278
2279         ha->s_dma_pool = NULL;
2280
2281         ha->gid_list = NULL;
2282         ha->gid_list_dma = 0;
2283
2284         ha->response_ring = NULL;
2285         ha->response_dma = 0;
2286         ha->request_ring = NULL;
2287         ha->request_dma = 0;
2288
2289         list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2290                 fcport = list_entry(fcpl, fc_port_t, list);
2291
2292                 /* fc ports */
2293                 list_del_init(&fcport->list);
2294                 kfree(fcport);
2295         }
2296         INIT_LIST_HEAD(&ha->fcports);
2297
2298         ha->fw_dump = NULL;
2299         ha->fw_dumped = 0;
2300         ha->fw_dump_reading = 0;
2301
2302         vfree(ha->optrom_buffer);
2303         kfree(ha->nvram);
2304 }
2305
2306 /*
2307  * qla2x00_allocate_sp_pool
2308  *       This routine is called during initialization to allocate
2309  *       memory for local srb_t.
2310  *
2311  * Input:
2312  *       ha   = adapter block pointer.
2313  *
2314  * Context:
2315  *      Kernel context.
2316  */
2317 static int
2318 qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
2319 {
2320         int      rval;
2321
2322         rval = QLA_SUCCESS;
2323         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2324         if (ha->srb_mempool == NULL) {
2325                 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2326                 rval = QLA_FUNCTION_FAILED;
2327         }
2328         return (rval);
2329 }
2330
2331 /*
2332  *  This routine frees all adapter allocated memory.
2333  *
2334  */
2335 static void
2336 qla2x00_free_sp_pool( scsi_qla_host_t *ha)
2337 {
2338         if (ha->srb_mempool) {
2339                 mempool_destroy(ha->srb_mempool);
2340                 ha->srb_mempool = NULL;
2341         }
2342 }
2343
2344 /**************************************************************************
2345 * qla2x00_do_dpc
2346 *   This kernel thread is a task that is schedule by the interrupt handler
2347 *   to perform the background processing for interrupts.
2348 *
2349 * Notes:
2350 * This task always run in the context of a kernel thread.  It
2351 * is kick-off by the driver's detect code and starts up
2352 * up one per adapter. It immediately goes to sleep and waits for
2353 * some fibre event.  When either the interrupt handler or
2354 * the timer routine detects a event it will one of the task
2355 * bits then wake us up.
2356 **************************************************************************/
2357 static int
2358 qla2x00_do_dpc(void *data)
2359 {
2360         int             rval;
2361         scsi_qla_host_t *ha;
2362         fc_port_t       *fcport;
2363         uint8_t         status;
2364         uint16_t        next_loopid;
2365
2366         ha = (scsi_qla_host_t *)data;
2367
2368         set_user_nice(current, -20);
2369
2370         while (!kthread_should_stop()) {
2371                 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2372
2373                 set_current_state(TASK_INTERRUPTIBLE);
2374                 schedule();
2375                 __set_current_state(TASK_RUNNING);
2376
2377                 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2378
2379                 /* Initialization not yet finished. Don't do anything yet. */
2380                 if (!ha->flags.init_done)
2381                         continue;
2382
2383                 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2384
2385                 ha->dpc_active = 1;
2386
2387                 if (ha->flags.mbox_busy) {
2388                         ha->dpc_active = 0;
2389                         continue;
2390                 }
2391
2392                 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2393
2394                         DEBUG(printk("scsi(%ld): dpc: sched "
2395                             "qla2x00_abort_isp ha = %p\n",
2396                             ha->host_no, ha));
2397                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2398                             &ha->dpc_flags))) {
2399
2400                                 if (qla2x00_abort_isp(ha)) {
2401                                         /* failed. retry later */
2402                                         set_bit(ISP_ABORT_NEEDED,
2403                                             &ha->dpc_flags);
2404                                 }
2405                                 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2406                         }
2407                         DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2408                             ha->host_no));
2409                 }
2410
2411                 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2412                         qla2x00_update_fcports(ha);
2413
2414                 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2415                         DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2416                             ha->host_no));
2417                         qla2x00_loop_reset(ha);
2418                 }
2419
2420                 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2421                     (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2422
2423                         DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2424                             ha->host_no));
2425
2426                         qla2x00_rst_aen(ha);
2427                         clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2428                 }
2429
2430                 /* Retry each device up to login retry count */
2431                 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2432                     !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2433                     atomic_read(&ha->loop_state) != LOOP_DOWN) {
2434
2435                         DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2436                             ha->host_no));
2437
2438                         next_loopid = 0;
2439                         list_for_each_entry(fcport, &ha->fcports, list) {
2440                                 /*
2441                                  * If the port is not ONLINE then try to login
2442                                  * to it if we haven't run out of retries.
2443                                  */
2444                                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2445                                     fcport->login_retry) {
2446
2447                                         if (fcport->flags & FCF_FABRIC_DEVICE) {
2448                                                 if (fcport->flags &
2449                                                     FCF_TAPE_PRESENT)
2450                                                         ha->isp_ops->fabric_logout(
2451                                                             ha, fcport->loop_id,
2452                                                             fcport->d_id.b.domain,
2453                                                             fcport->d_id.b.area,
2454                                                             fcport->d_id.b.al_pa);
2455                                                 status = qla2x00_fabric_login(
2456                                                     ha, fcport, &next_loopid);
2457                                         } else
2458                                                 status =
2459                                                     qla2x00_local_device_login(
2460                                                         ha, fcport);
2461
2462                                         fcport->login_retry--;
2463                                         if (status == QLA_SUCCESS) {
2464                                                 fcport->old_loop_id = fcport->loop_id;
2465
2466                                                 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2467                                                     ha->host_no, fcport->loop_id));
2468
2469                                                 qla2x00_update_fcport(ha,
2470                                                     fcport);
2471                                         } else if (status == 1) {
2472                                                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2473                                                 /* retry the login again */
2474                                                 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2475                                                     ha->host_no,
2476                                                     fcport->login_retry, fcport->loop_id));
2477                                         } else {
2478                                                 fcport->login_retry = 0;
2479                                         }
2480                                         if (fcport->login_retry == 0)
2481                                                 fcport->loop_id = FC_NO_LOOP_ID;
2482                                 }
2483                                 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2484                                         break;
2485                         }
2486                         DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2487                             ha->host_no));
2488                 }
2489
2490                 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2491                     atomic_read(&ha->loop_state) != LOOP_DOWN) {
2492
2493                         clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2494                         DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2495                             ha->host_no));
2496
2497                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2498
2499                         DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2500                             ha->host_no));
2501                 }
2502
2503                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2504
2505                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2506                             ha->host_no));
2507
2508                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2509                             &ha->dpc_flags))) {
2510
2511                                 rval = qla2x00_loop_resync(ha);
2512
2513                                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2514                         }
2515
2516                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2517                             ha->host_no));
2518                 }
2519
2520                 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2521
2522                         DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2523                             ha->host_no));
2524
2525                         qla2x00_rescan_fcports(ha);
2526
2527                         DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2528                             "end.\n",
2529                             ha->host_no));
2530                 }
2531
2532                 if (!ha->interrupts_on)
2533                         ha->isp_ops->enable_intrs(ha);
2534
2535                 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2536                         ha->isp_ops->beacon_blink(ha);
2537
2538                 qla2x00_do_dpc_all_vps(ha);
2539
2540                 ha->dpc_active = 0;
2541         } /* End of while(1) */
2542
2543         DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2544
2545         /*
2546          * Make sure that nobody tries to wake us up again.
2547          */
2548         ha->dpc_active = 0;
2549
2550         return 0;
2551 }
2552
2553 void
2554 qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2555 {
2556         if (ha->dpc_thread)
2557                 wake_up_process(ha->dpc_thread);
2558 }
2559
2560 /*
2561 *  qla2x00_rst_aen
2562 *      Processes asynchronous reset.
2563 *
2564 * Input:
2565 *      ha  = adapter block pointer.
2566 */
2567 static void
2568 qla2x00_rst_aen(scsi_qla_host_t *ha)
2569 {
2570         if (ha->flags.online && !ha->flags.reset_active &&
2571             !atomic_read(&ha->loop_down_timer) &&
2572             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2573                 do {
2574                         clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2575
2576                         /*
2577                          * Issue marker command only when we are going to start
2578                          * the I/O.
2579                          */
2580                         ha->marker_needed = 1;
2581                 } while (!atomic_read(&ha->loop_down_timer) &&
2582                     (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2583         }
2584 }
2585
2586 static void
2587 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2588 {
2589         struct scsi_cmnd *cmd = sp->cmd;
2590
2591         if (sp->flags & SRB_DMA_VALID) {
2592                 scsi_dma_unmap(cmd);
2593                 sp->flags &= ~SRB_DMA_VALID;
2594         }
2595         CMD_SP(cmd) = NULL;
2596 }
2597
2598 void
2599 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2600 {
2601         struct scsi_cmnd *cmd = sp->cmd;
2602
2603         qla2x00_sp_free_dma(ha, sp);
2604
2605         mempool_free(sp, ha->srb_mempool);
2606
2607         cmd->scsi_done(cmd);
2608 }
2609
2610 /**************************************************************************
2611 *   qla2x00_timer
2612 *
2613 * Description:
2614 *   One second timer
2615 *
2616 * Context: Interrupt
2617 ***************************************************************************/
2618 void
2619 qla2x00_timer(scsi_qla_host_t *ha)
2620 {
2621         unsigned long   cpu_flags = 0;
2622         fc_port_t       *fcport;
2623         int             start_dpc = 0;
2624         int             index;
2625         srb_t           *sp;
2626         int             t;
2627         scsi_qla_host_t *pha = to_qla_parent(ha);
2628
2629         /*
2630          * Ports - Port down timer.
2631          *
2632          * Whenever, a port is in the LOST state we start decrementing its port
2633          * down timer every second until it reaches zero. Once  it reaches zero
2634          * the port it marked DEAD.
2635          */
2636         t = 0;
2637         list_for_each_entry(fcport, &ha->fcports, list) {
2638                 if (fcport->port_type != FCT_TARGET)
2639                         continue;
2640
2641                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2642
2643                         if (atomic_read(&fcport->port_down_timer) == 0)
2644                                 continue;
2645
2646                         if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2647                                 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2648
2649                         DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2650                             "%d remaining\n",
2651                             ha->host_no,
2652                             t, atomic_read(&fcport->port_down_timer)));
2653                 }
2654                 t++;
2655         } /* End of for fcport  */
2656
2657
2658         /* Loop down handler. */
2659         if (atomic_read(&ha->loop_down_timer) > 0 &&
2660             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2661
2662                 if (atomic_read(&ha->loop_down_timer) ==
2663                     ha->loop_down_abort_time) {
2664
2665                         DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2666                             "queues before time expire\n",
2667                             ha->host_no));
2668
2669                         if (!IS_QLA2100(ha) && ha->link_down_timeout)
2670                                 atomic_set(&ha->loop_state, LOOP_DEAD);
2671
2672                         /* Schedule an ISP abort to return any tape commands. */
2673                         /* NPIV - scan physical port only */
2674                         if (!ha->parent) {
2675                                 spin_lock_irqsave(&ha->hardware_lock,
2676                                     cpu_flags);
2677                                 for (index = 1;
2678                                     index < MAX_OUTSTANDING_COMMANDS;
2679                                     index++) {
2680                                         fc_port_t *sfcp;
2681
2682                                         sp = ha->outstanding_cmds[index];
2683                                         if (!sp)
2684                                                 continue;
2685                                         sfcp = sp->fcport;
2686                                         if (!(sfcp->flags & FCF_TAPE_PRESENT))
2687                                                 continue;
2688
2689                                         set_bit(ISP_ABORT_NEEDED,
2690                                             &ha->dpc_flags);
2691                                         break;
2692                                 }
2693                                 spin_unlock_irqrestore(&ha->hardware_lock,
2694                                     cpu_flags);
2695                         }
2696                         set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2697                         start_dpc++;
2698                 }
2699
2700                 /* if the loop has been down for 4 minutes, reinit adapter */
2701                 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2702                         DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2703                             "restarting queues.\n",
2704                             ha->host_no));
2705
2706                         set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2707                         start_dpc++;
2708
2709                         if (!(ha->device_flags & DFLG_NO_CABLE)) {
2710                                 DEBUG(printk("scsi(%ld): Loop down - "
2711                                     "aborting ISP.\n",
2712                                     ha->host_no));
2713                                 qla_printk(KERN_WARNING, ha,
2714                                     "Loop down - aborting ISP.\n");
2715
2716                                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2717                         }
2718                 }
2719                 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2720                     ha->host_no,
2721                     atomic_read(&ha->loop_down_timer)));
2722         }
2723
2724         /* Check if beacon LED needs to be blinked */
2725         if (ha->beacon_blink_led == 1) {
2726                 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2727                 start_dpc++;
2728         }
2729
2730         /* Schedule the DPC routine if needed */
2731         if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2732             test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2733             test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
2734             test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
2735             start_dpc ||
2736             test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
2737             test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2738             test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2739             test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
2740             test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2741                 qla2xxx_wake_dpc(pha);
2742
2743         qla2x00_restart_timer(ha, WATCH_INTERVAL);
2744 }
2745
2746 /* Firmware interface routines. */
2747
2748 #define FW_BLOBS        6
2749 #define FW_ISP21XX      0
2750 #define FW_ISP22XX      1
2751 #define FW_ISP2300      2
2752 #define FW_ISP2322      3
2753 #define FW_ISP24XX      4
2754 #define FW_ISP25XX      5
2755
2756 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2757 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2758 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2759 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2760 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2761 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2762
2763 static DECLARE_MUTEX(qla_fw_lock);
2764
2765 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2766         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2767         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2768         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2769         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2770         { .name = FW_FILE_ISP24XX, },
2771         { .name = FW_FILE_ISP25XX, },
2772 };
2773
2774 struct fw_blob *
2775 qla2x00_request_firmware(scsi_qla_host_t *ha)
2776 {
2777         struct fw_blob *blob;
2778
2779         blob = NULL;
2780         if (IS_QLA2100(ha)) {
2781                 blob = &qla_fw_blobs[FW_ISP21XX];
2782         } else if (IS_QLA2200(ha)) {
2783                 blob = &qla_fw_blobs[FW_ISP22XX];
2784         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2785                 blob = &qla_fw_blobs[FW_ISP2300];
2786         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2787                 blob = &qla_fw_blobs[FW_ISP2322];
2788         } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
2789                 blob = &qla_fw_blobs[FW_ISP24XX];
2790         } else if (IS_QLA25XX(ha)) {
2791                 blob = &qla_fw_blobs[FW_ISP25XX];
2792         }
2793
2794         down(&qla_fw_lock);
2795         if (blob->fw)
2796                 goto out;
2797
2798         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2799                 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2800                     "(%s).\n", ha->host_no, blob->name));
2801                 blob->fw = NULL;
2802                 blob = NULL;
2803                 goto out;
2804         }
2805
2806 out:
2807         up(&qla_fw_lock);
2808         return blob;
2809 }
2810
2811 static void
2812 qla2x00_release_firmware(void)
2813 {
2814         int idx;
2815
2816         down(&qla_fw_lock);
2817         for (idx = 0; idx < FW_BLOBS; idx++)
2818                 if (qla_fw_blobs[idx].fw)
2819                         release_firmware(qla_fw_blobs[idx].fw);
2820         up(&qla_fw_lock);
2821 }
2822
2823 static pci_ers_result_t
2824 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2825 {
2826         switch (state) {
2827         case pci_channel_io_normal:
2828                 return PCI_ERS_RESULT_CAN_RECOVER;
2829         case pci_channel_io_frozen:
2830                 pci_disable_device(pdev);
2831                 return PCI_ERS_RESULT_NEED_RESET;
2832         case pci_channel_io_perm_failure:
2833                 qla2x00_remove_one(pdev);
2834                 return PCI_ERS_RESULT_DISCONNECT;
2835         }
2836         return PCI_ERS_RESULT_NEED_RESET;
2837 }
2838
2839 static pci_ers_result_t
2840 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2841 {
2842         int risc_paused = 0;
2843         uint32_t stat;
2844         unsigned long flags;
2845         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2846         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2847         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2848
2849         spin_lock_irqsave(&ha->hardware_lock, flags);
2850         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2851                 stat = RD_REG_DWORD(&reg->hccr);
2852                 if (stat & HCCR_RISC_PAUSE)
2853                         risc_paused = 1;
2854         } else if (IS_QLA23XX(ha)) {
2855                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2856                 if (stat & HSR_RISC_PAUSED)
2857                         risc_paused = 1;
2858         } else if (IS_FWI2_CAPABLE(ha)) {
2859                 stat = RD_REG_DWORD(&reg24->host_status);
2860                 if (stat & HSRX_RISC_PAUSED)
2861                         risc_paused = 1;
2862         }
2863         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2864
2865         if (risc_paused) {
2866                 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2867                     "Dumping firmware!\n");
2868                 ha->isp_ops->fw_dump(ha, 0);
2869
2870                 return PCI_ERS_RESULT_NEED_RESET;
2871         } else
2872                 return PCI_ERS_RESULT_RECOVERED;
2873 }
2874
2875 static pci_ers_result_t
2876 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2877 {
2878         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2879         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2880
2881         if (pci_enable_device_bars(pdev, ha->bars)) {
2882                 qla_printk(KERN_WARNING, ha,
2883                     "Can't re-enable PCI device after reset.\n");
2884
2885                 return ret;
2886         }
2887         pci_set_master(pdev);
2888
2889         if (ha->isp_ops->pci_config(ha))
2890                 return ret;
2891
2892         set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2893         if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2894                 ret =  PCI_ERS_RESULT_RECOVERED;
2895         clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2896
2897         return ret;
2898 }
2899
2900 static void
2901 qla2xxx_pci_resume(struct pci_dev *pdev)
2902 {
2903         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2904         int ret;
2905
2906         ret = qla2x00_wait_for_hba_online(ha);
2907         if (ret != QLA_SUCCESS) {
2908                 qla_printk(KERN_ERR, ha,
2909                     "the device failed to resume I/O "
2910                     "from slot/link_reset");
2911         }
2912         pci_cleanup_aer_uncorrect_error_status(pdev);
2913 }
2914
2915 static struct pci_error_handlers qla2xxx_err_handler = {
2916         .error_detected = qla2xxx_pci_error_detected,
2917         .mmio_enabled = qla2xxx_pci_mmio_enabled,
2918         .slot_reset = qla2xxx_pci_slot_reset,
2919         .resume = qla2xxx_pci_resume,
2920 };
2921
2922 static struct pci_device_id qla2xxx_pci_tbl[] = {
2923         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2924         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2925         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2926         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2927         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2928         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2929         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2930         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2931         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2932         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2933         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
2934         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
2935         { 0 },
2936 };
2937 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2938
2939 static struct pci_driver qla2xxx_pci_driver = {
2940         .name           = QLA2XXX_DRIVER_NAME,
2941         .driver         = {
2942                 .owner          = THIS_MODULE,
2943         },
2944         .id_table       = qla2xxx_pci_tbl,
2945         .probe          = qla2x00_probe_one,
2946         .remove         = qla2x00_remove_one,
2947         .err_handler    = &qla2xxx_err_handler,
2948 };
2949
2950 /**
2951  * qla2x00_module_init - Module initialization.
2952  **/
2953 static int __init
2954 qla2x00_module_init(void)
2955 {
2956         int ret = 0;
2957
2958         /* Allocate cache for SRBs. */
2959         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2960             SLAB_HWCACHE_ALIGN, NULL);
2961         if (srb_cachep == NULL) {
2962                 printk(KERN_ERR
2963                     "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2964                 return -ENOMEM;
2965         }
2966
2967         /* Derive version string. */
2968         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2969         if (ql2xextended_error_logging)
2970                 strcat(qla2x00_version_str, "-debug");
2971
2972         qla2xxx_transport_template =
2973             fc_attach_transport(&qla2xxx_transport_functions);
2974         if (!qla2xxx_transport_template) {
2975                 kmem_cache_destroy(srb_cachep);
2976                 return -ENODEV;
2977         }
2978         qla2xxx_transport_vport_template =
2979             fc_attach_transport(&qla2xxx_transport_vport_functions);
2980         if (!qla2xxx_transport_vport_template) {
2981                 kmem_cache_destroy(srb_cachep);
2982                 fc_release_transport(qla2xxx_transport_template);
2983                 return -ENODEV;
2984         }
2985
2986         printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
2987         ret = pci_register_driver(&qla2xxx_pci_driver);
2988         if (ret) {
2989                 kmem_cache_destroy(srb_cachep);
2990                 fc_release_transport(qla2xxx_transport_template);
2991                 fc_release_transport(qla2xxx_transport_vport_template);
2992         }
2993         return ret;
2994 }
2995
2996 /**
2997  * qla2x00_module_exit - Module cleanup.
2998  **/
2999 static void __exit
3000 qla2x00_module_exit(void)
3001 {
3002         pci_unregister_driver(&qla2xxx_pci_driver);
3003         qla2x00_release_firmware();
3004         kmem_cache_destroy(srb_cachep);
3005         fc_release_transport(qla2xxx_transport_template);
3006         fc_release_transport(qla2xxx_transport_vport_template);
3007 }
3008
3009 module_init(qla2x00_module_init);
3010 module_exit(qla2x00_module_exit);
3011
3012 MODULE_AUTHOR("QLogic Corporation");
3013 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3014 MODULE_LICENSE("GPL");
3015 MODULE_VERSION(QLA2XXX_VERSION);
3016 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3017 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3018 MODULE_FIRMWARE(FW_FILE_ISP2300);
3019 MODULE_FIRMWARE(FW_FILE_ISP2322);
3020 MODULE_FIRMWARE(FW_FILE_ISP24XX);