git.oblomov.eu Git - linux-2.6/blob - drivers/scsi/qla2xxx/qla_os.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2005 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_loop_reset(scsi_qla_host_t *ha);
 109 static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
 110
 111 static int qla2x00_change_queue_depth(struct scsi_device *, int);
 112 static int qla2x00_change_queue_type(struct scsi_device *, int);
 113
 114 struct scsi_host_template qla2x00_driver_template = {
 115         .module                 = THIS_MODULE,
 116         .name                   = QLA2XXX_DRIVER_NAME,
 117         .queuecommand           = qla2x00_queuecommand,
 118
 119         .eh_abort_handler       = qla2xxx_eh_abort,
 120         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 121         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 122         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 123
 124         .slave_configure        = qla2xxx_slave_configure,
 125
 126         .slave_alloc            = qla2xxx_slave_alloc,
 127         .slave_destroy          = qla2xxx_slave_destroy,
 128         .scan_finished          = qla2xxx_scan_finished,
 129         .scan_start             = qla2xxx_scan_start,
 130         .change_queue_depth     = qla2x00_change_queue_depth,
 131         .change_queue_type      = qla2x00_change_queue_type,
 132         .this_id                = -1,
 133         .cmd_per_lun            = 3,
 134         .use_clustering         = ENABLE_CLUSTERING,
 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         .sg_tablesize           = SG_ALL,
 167
 168         .max_sectors            = 0xFFFF,
 169         .shost_attrs            = qla2x00_host_attrs,
 170 };
 171
 172 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 173 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 174
 175 /* TODO Convert to inlines
 176  *
 177  * Timer routines
 178  */
 179
 180 void qla2x00_timer(scsi_qla_host_t *);
 181
 182 __inline__ void qla2x00_start_timer(scsi_qla_host_t *,
 183     void *, unsigned long);
 184 static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long);
 185 __inline__ void qla2x00_stop_timer(scsi_qla_host_t *);
 186
 187 __inline__ void
 188 qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
 189 {
 190         init_timer(&ha->timer);
 191         ha->timer.expires = jiffies + interval * HZ;
 192         ha->timer.data = (unsigned long)ha;
 193         ha->timer.function = (void (*)(unsigned long))func;
 194         add_timer(&ha->timer);
 195         ha->timer_active = 1;
 196 }
 197
 198 static inline void
 199 qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
 200 {
 201         mod_timer(&ha->timer, jiffies + interval * HZ);
 202 }
 203
 204 __inline__ void
 205 qla2x00_stop_timer(scsi_qla_host_t *ha)
 206 {
 207         del_timer_sync(&ha->timer);
 208         ha->timer_active = 0;
 209 }
 210
 211 static int qla2x00_do_dpc(void *data);
 212
 213 static void qla2x00_rst_aen(scsi_qla_host_t *);
 214
 215 uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
 216 void qla2x00_mem_free(scsi_qla_host_t *ha);
 217 static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
 218 static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
 219 static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
 220 void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *);
 221
 222 /* -------------------------------------------------------------------------- */
 223
 224 static char *
 225 qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
 226 {
 227         static char *pci_bus_modes[] = {
 228                 "33", "66", "100", "133",
 229         };
 230         uint16_t pci_bus;
 231
 232         strcpy(str, "PCI");
 233         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 234         if (pci_bus) {
 235                 strcat(str, "-X (");
 236                 strcat(str, pci_bus_modes[pci_bus]);
 237         } else {
 238                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 239                 strcat(str, " (");
 240                 strcat(str, pci_bus_modes[pci_bus]);
 241         }
 242         strcat(str, " MHz)");
 243
 244         return (str);
 245 }
 246
 247 static char *
 248 qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
 249 {
 250         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 251         uint32_t pci_bus;
 252         int pcie_reg;
 253
 254         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 255         if (pcie_reg) {
 256                 char lwstr[6];
 257                 uint16_t pcie_lstat, lspeed, lwidth;
 258
 259                 pcie_reg += 0x12;
 260                 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 261                 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 262                 lwidth = (pcie_lstat &
 263                     (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 264
 265                 strcpy(str, "PCIe (");
 266                 if (lspeed == 1)
 267                         strcat(str, "2.5Gb/s ");
 268                 else if (lspeed == 2)
 269                         strcat(str, "5.0Gb/s ");
 270                 else
 271                         strcat(str, "<unknown> ");
 272                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 273                 strcat(str, lwstr);
 274
 275                 return str;
 276         }
 277
 278         strcpy(str, "PCI");
 279         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 280         if (pci_bus == 0 || pci_bus == 8) {
 281                 strcat(str, " (");
 282                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 283         } else {
 284                 strcat(str, "-X ");
 285                 if (pci_bus & BIT_2)
 286                         strcat(str, "Mode 2");
 287                 else
 288                         strcat(str, "Mode 1");
 289                 strcat(str, " (");
 290                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 291         }
 292         strcat(str, " MHz)");
 293
 294         return str;
 295 }
 296
 297 static char *
 298 qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
 299 {
 300         char un_str[10];
 301
 302         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 303             ha->fw_minor_version,
 304             ha->fw_subminor_version);
 305
 306         if (ha->fw_attributes & BIT_9) {
 307                 strcat(str, "FLX");
 308                 return (str);
 309         }
 310
 311         switch (ha->fw_attributes & 0xFF) {
 312         case 0x7:
 313                 strcat(str, "EF");
 314                 break;
 315         case 0x17:
 316                 strcat(str, "TP");
 317                 break;
 318         case 0x37:
 319                 strcat(str, "IP");
 320                 break;
 321         case 0x77:
 322                 strcat(str, "VI");
 323                 break;
 324         default:
 325                 sprintf(un_str, "(%x)", ha->fw_attributes);
 326                 strcat(str, un_str);
 327                 break;
 328         }
 329         if (ha->fw_attributes & 0x100)
 330                 strcat(str, "X");
 331
 332         return (str);
 333 }
 334
 335 static char *
 336 qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
 337 {
 338         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 339             ha->fw_minor_version,
 340             ha->fw_subminor_version);
 341
 342         if (ha->fw_attributes & BIT_0)
 343                 strcat(str, "[Class 2] ");
 344         if (ha->fw_attributes & BIT_1)
 345                 strcat(str, "[IP] ");
 346         if (ha->fw_attributes & BIT_2)
 347                 strcat(str, "[Multi-ID] ");
 348         if (ha->fw_attributes & BIT_3)
 349                 strcat(str, "[SB-2] ");
 350         if (ha->fw_attributes & BIT_4)
 351                 strcat(str, "[T10 CRC] ");
 352         if (ha->fw_attributes & BIT_5)
 353                 strcat(str, "[VI] ");
 354         if (ha->fw_attributes & BIT_13)
 355                 strcat(str, "[Experimental]");
 356         return str;
 357 }
 358
 359 static inline srb_t *
 360 qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
 361     struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 362 {
 363         srb_t *sp;
 364
 365         sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
 366         if (!sp)
 367                 return sp;
 368
 369         sp->ha = ha;
 370         sp->fcport = fcport;
 371         sp->cmd = cmd;
 372         sp->flags = 0;
 373         CMD_SP(cmd) = (void *)sp;
 374         cmd->scsi_done = done;
 375
 376         return sp;
 377 }
 378
 379 static int
 380 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 381 {
 382         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 383         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 384         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 385         srb_t *sp;
 386         int rval;
 387
 388         if (unlikely(pci_channel_offline(ha->pdev))) {
 389                 cmd->result = DID_REQUEUE << 16;
 390                 goto qc_fail_command;
 391         }
 392
 393         rval = fc_remote_port_chkready(rport);
 394         if (rval) {
 395                 cmd->result = rval;
 396                 goto qc_fail_command;
 397         }
 398
 399         /* Close window on fcport/rport state-transitioning. */
 400         if (!*(fc_port_t **)rport->dd_data) {
 401                 cmd->result = DID_IMM_RETRY << 16;
 402                 goto qc_fail_command;
 403         }
 404
 405         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 406                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 407                     atomic_read(&ha->loop_state) == LOOP_DEAD) {
 408                         cmd->result = DID_NO_CONNECT << 16;
 409                         goto qc_fail_command;
 410                 }
 411                 goto qc_host_busy;
 412         }
 413
 414         spin_unlock_irq(ha->host->host_lock);
 415
 416         sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
 417         if (!sp)
 418                 goto qc_host_busy_lock;
 419
 420         rval = qla2x00_start_scsi(sp);
 421         if (rval != QLA_SUCCESS)
 422                 goto qc_host_busy_free_sp;
 423
 424         spin_lock_irq(ha->host->host_lock);
 425
 426         return 0;
 427
 428 qc_host_busy_free_sp:
 429         qla2x00_sp_free_dma(ha, sp);
 430         mempool_free(sp, ha->srb_mempool);
 431
 432 qc_host_busy_lock:
 433         spin_lock_irq(ha->host->host_lock);
 434
 435 qc_host_busy:
 436         return SCSI_MLQUEUE_HOST_BUSY;
 437
 438 qc_fail_command:
 439         done(cmd);
 440
 441         return 0;
 442 }
 443
 444
 445 static int
 446 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 447 {
 448         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 449         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 450         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 451         srb_t *sp;
 452         int rval;
 453         scsi_qla_host_t *pha = to_qla_parent(ha);
 454
 455         if (unlikely(pci_channel_offline(ha->pdev))) {
 456                 cmd->result = DID_REQUEUE << 16;
 457                 goto qc24_fail_command;
 458         }
 459
 460         rval = fc_remote_port_chkready(rport);
 461         if (rval) {
 462                 cmd->result = rval;
 463                 goto qc24_fail_command;
 464         }
 465
 466         /* Close window on fcport/rport state-transitioning. */
 467         if (!*(fc_port_t **)rport->dd_data) {
 468                 cmd->result = DID_IMM_RETRY << 16;
 469                 goto qc24_fail_command;
 470         }
 471
 472         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 473                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 474                     atomic_read(&pha->loop_state) == LOOP_DEAD) {
 475                         cmd->result = DID_NO_CONNECT << 16;
 476                         goto qc24_fail_command;
 477                 }
 478                 goto qc24_host_busy;
 479         }
 480
 481         spin_unlock_irq(ha->host->host_lock);
 482
 483         sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
 484         if (!sp)
 485                 goto qc24_host_busy_lock;
 486
 487         rval = qla24xx_start_scsi(sp);
 488         if (rval != QLA_SUCCESS)
 489                 goto qc24_host_busy_free_sp;
 490
 491         spin_lock_irq(ha->host->host_lock);
 492
 493         return 0;
 494
 495 qc24_host_busy_free_sp:
 496         qla2x00_sp_free_dma(pha, sp);
 497         mempool_free(sp, pha->srb_mempool);
 498
 499 qc24_host_busy_lock:
 500         spin_lock_irq(ha->host->host_lock);
 501
 502 qc24_host_busy:
 503         return SCSI_MLQUEUE_HOST_BUSY;
 504
 505 qc24_fail_command:
 506         done(cmd);
 507
 508         return 0;
 509 }
 510
 511
 512 /*
 513  * qla2x00_eh_wait_on_command
 514  *    Waits for the command to be returned by the Firmware for some
 515  *    max time.
 516  *
 517  * Input:
 518  *    ha = actual ha whose done queue will contain the command
 519  *            returned by firmware.
 520  *    cmd = Scsi Command to wait on.
 521  *    flag = Abort/Reset(Bus or Device Reset)
 522  *
 523  * Return:
 524  *    Not Found : 0
 525  *    Found : 1
 526  */
 527 static int
 528 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
 529 {
 530 #define ABORT_POLLING_PERIOD    1000
 531 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 532         unsigned long wait_iter = ABORT_WAIT_ITER;
 533         int ret = QLA_SUCCESS;
 534
 535         while (CMD_SP(cmd)) {
 536                 msleep(ABORT_POLLING_PERIOD);
 537
 538                 if (--wait_iter)
 539                         break;
 540         }
 541         if (CMD_SP(cmd))
 542                 ret = QLA_FUNCTION_FAILED;
 543
 544         return ret;
 545 }
 546
 547 /*
 548  * qla2x00_wait_for_hba_online
 549  *    Wait till the HBA is online after going through
 550  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 551  *    finally HBA is disabled ie marked offline
 552  *
 553  * Input:
 554  *     ha - pointer to host adapter structure
 555  *
 556  * Note:
 557  *    Does context switching-Release SPIN_LOCK
 558  *    (if any) before calling this routine.
 559  *
 560  * Return:
 561  *    Success (Adapter is online) : 0
 562  *    Failed  (Adapter is offline/disabled) : 1
 563  */
 564 int
 565 qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
 566 {
 567         int             return_status;
 568         unsigned long   wait_online;
 569         scsi_qla_host_t *pha = to_qla_parent(ha);
 570
 571         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 572         while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
 573             test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
 574             test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
 575             pha->dpc_active) && time_before(jiffies, wait_online)) {
 576
 577                 msleep(1000);
 578         }
 579         if (pha->flags.online)
 580                 return_status = QLA_SUCCESS;
 581         else
 582                 return_status = QLA_FUNCTION_FAILED;
 583
 584         DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
 585
 586         return (return_status);
 587 }
 588
 589 /*
 590  * qla2x00_wait_for_loop_ready
 591  *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 592  *    to be in LOOP_READY state.
 593  * Input:
 594  *     ha - pointer to host adapter structure
 595  *
 596  * Note:
 597  *    Does context switching-Release SPIN_LOCK
 598  *    (if any) before calling this routine.
 599  *
 600  *
 601  * Return:
 602  *    Success (LOOP_READY) : 0
 603  *    Failed  (LOOP_NOT_READY) : 1
 604  */
 605 static inline int
 606 qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
 607 {
 608         int      return_status = QLA_SUCCESS;
 609         unsigned long loop_timeout ;
 610         scsi_qla_host_t *pha = to_qla_parent(ha);
 611
 612         /* wait for 5 min at the max for loop to be ready */
 613         loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 614
 615         while ((!atomic_read(&pha->loop_down_timer) &&
 616             atomic_read(&pha->loop_state) == LOOP_DOWN) ||
 617             atomic_read(&pha->loop_state) != LOOP_READY) {
 618                 if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
 619                         return_status = QLA_FUNCTION_FAILED;
 620                         break;
 621                 }
 622                 msleep(1000);
 623                 if (time_after_eq(jiffies, loop_timeout)) {
 624                         return_status = QLA_FUNCTION_FAILED;
 625                         break;
 626                 }
 627         }
 628         return (return_status);
 629 }
 630
 631 static void
 632 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
 633 {
 634         struct Scsi_Host *shost = cmnd->device->host;
 635         struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
 636         unsigned long flags;
 637
 638         spin_lock_irqsave(shost->host_lock, flags);
 639         while (rport->port_state == FC_PORTSTATE_BLOCKED) {
 640                 spin_unlock_irqrestore(shost->host_lock, flags);
 641                 msleep(1000);
 642                 spin_lock_irqsave(shost->host_lock, flags);
 643         }
 644         spin_unlock_irqrestore(shost->host_lock, flags);
 645         return;
 646 }
 647
 648 /**************************************************************************
 649 * qla2xxx_eh_abort
 650 *
 651 * Description:
 652 *    The abort function will abort the specified command.
 653 *
 654 * Input:
 655 *    cmd = Linux SCSI command packet to be aborted.
 656 *
 657 * Returns:
 658 *    Either SUCCESS or FAILED.
 659 *
 660 * Note:
 661 *    Only return FAILED if command not returned by firmware.
 662 **************************************************************************/
 663 static int
 664 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 665 {
 666         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 667         srb_t *sp;
 668         int ret, i;
 669         unsigned int id, lun;
 670         unsigned long serial;
 671         unsigned long flags;
 672         int wait = 0;
 673         scsi_qla_host_t *pha = to_qla_parent(ha);
 674
 675         qla2x00_block_error_handler(cmd);
 676
 677         if (!CMD_SP(cmd))
 678                 return SUCCESS;
 679
 680         ret = SUCCESS;
 681
 682         id = cmd->device->id;
 683         lun = cmd->device->lun;
 684         serial = cmd->serial_number;
 685
 686         /* Check active list for command command. */
 687         spin_lock_irqsave(&pha->hardware_lock, flags);
 688         for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
 689                 sp = pha->outstanding_cmds[i];
 690
 691                 if (sp == NULL)
 692                         continue;
 693
 694                 if (sp->cmd != cmd)
 695                         continue;
 696
 697                 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
 698                     __func__, ha->host_no, sp, serial));
 699                 DEBUG3(qla2x00_print_scsi_cmd(cmd));
 700
 701                 spin_unlock_irqrestore(&pha->hardware_lock, flags);
 702                 if (ha->isp_ops->abort_command(ha, sp)) {
 703                         DEBUG2(printk("%s(%ld): abort_command "
 704                             "mbx failed.\n", __func__, ha->host_no));
 705                 } else {
 706                         DEBUG3(printk("%s(%ld): abort_command "
 707                             "mbx success.\n", __func__, ha->host_no));
 708                         wait = 1;
 709                 }
 710                 spin_lock_irqsave(&pha->hardware_lock, flags);
 711
 712                 break;
 713         }
 714         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 715
 716         /* Wait for the command to be returned. */
 717         if (wait) {
 718                 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
 719                         qla_printk(KERN_ERR, ha,
 720                             "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
 721                             "%x.\n", ha->host_no, id, lun, serial, ret);
 722                         ret = FAILED;
 723                 }
 724         }
 725
 726         qla_printk(KERN_INFO, ha,
 727             "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
 728             ha->host_no, id, lun, wait, serial, ret);
 729
 730         return ret;
 731 }
 732
 733 /**************************************************************************
 734 * qla2x00_eh_wait_for_pending_target_commands
 735 *
 736 * Description:
 737 *    Waits for all the commands to come back from the specified target.
 738 *
 739 * Input:
 740 *    ha - pointer to scsi_qla_host structure.
 741 *    t  - target
 742 * Returns:
 743 *    Either SUCCESS or FAILED.
 744 *
 745 * Note:
 746 **************************************************************************/
 747 static int
 748 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
 749 {
 750         int     cnt;
 751         int     status;
 752         srb_t           *sp;
 753         struct scsi_cmnd *cmd;
 754         unsigned long flags;
 755         scsi_qla_host_t *pha = to_qla_parent(ha);
 756
 757         status = 0;
 758
 759         /*
 760          * Waiting for all commands for the designated target in the active
 761          * array
 762          */
 763         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 764                 spin_lock_irqsave(&pha->hardware_lock, flags);
 765                 sp = pha->outstanding_cmds[cnt];
 766                 if (sp) {
 767                         cmd = sp->cmd;
 768                         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 769                         if (cmd->device->id == t &&
 770                             ha->vp_idx == sp->ha->vp_idx) {
 771                                 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
 772                                         status = 1;
 773                                         break;
 774                                 }
 775                         }
 776                 } else {
 777                         spin_unlock_irqrestore(&pha->hardware_lock, flags);
 778                 }
 779         }
 780         return (status);
 781 }
 782
 783
 784 /**************************************************************************
 785 * qla2xxx_eh_device_reset
 786 *
 787 * Description:
 788 *    The device reset function will reset the target and abort any
 789 *    executing commands.
 790 *
 791 *    NOTE: The use of SP is undefined within this context.  Do *NOT*
 792 *          attempt to use this value, even if you determine it is
 793 *          non-null.
 794 *
 795 * Input:
 796 *    cmd = Linux SCSI command packet of the command that cause the
 797 *          bus device reset.
 798 *
 799 * Returns:
 800 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 801 *
 802 **************************************************************************/
 803 static int
 804 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
 805 {
 806         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 807         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 808         int ret = FAILED;
 809         unsigned int id, lun;
 810         unsigned long serial;
 811
 812         qla2x00_block_error_handler(cmd);
 813
 814         id = cmd->device->id;
 815         lun = cmd->device->lun;
 816         serial = cmd->serial_number;
 817
 818         if (!fcport)
 819                 return ret;
 820
 821         qla_printk(KERN_INFO, ha,
 822             "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
 823
 824         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 825                 goto eh_dev_reset_done;
 826
 827         if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
 828                 if (qla2x00_device_reset(ha, fcport) == 0)
 829                         ret = SUCCESS;
 830
 831 #if defined(LOGOUT_AFTER_DEVICE_RESET)
 832                 if (ret == SUCCESS) {
 833                         if (fcport->flags & FC_FABRIC_DEVICE) {
 834                                 ha->isp_ops->fabric_logout(ha, fcport->loop_id);
 835                                 qla2x00_mark_device_lost(ha, fcport, 0, 0);
 836                         }
 837                 }
 838 #endif
 839         } else {
 840                 DEBUG2(printk(KERN_INFO
 841                     "%s failed: loop not ready\n",__func__));
 842         }
 843
 844         if (ret == FAILED) {
 845                 DEBUG3(printk("%s(%ld): device reset failed\n",
 846                     __func__, ha->host_no));
 847                 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
 848                     __func__);
 849
 850                 goto eh_dev_reset_done;
 851         }
 852
 853         /* Flush outstanding commands. */
 854         if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
 855                 ret = FAILED;
 856         if (ret == FAILED) {
 857                 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
 858                     __func__, ha->host_no));
 859                 qla_printk(KERN_INFO, ha,
 860                     "%s: failed while waiting for commands\n", __func__);
 861         } else
 862                 qla_printk(KERN_INFO, ha,
 863                     "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
 864                     id, lun);
 865  eh_dev_reset_done:
 866         return ret;
 867 }
 868
 869 /**************************************************************************
 870 * qla2x00_eh_wait_for_pending_commands
 871 *
 872 * Description:
 873 *    Waits for all the commands to come back from the specified host.
 874 *
 875 * Input:
 876 *    ha - pointer to scsi_qla_host structure.
 877 *
 878 * Returns:
 879 *    1 : SUCCESS
 880 *    0 : FAILED
 881 *
 882 * Note:
 883 **************************************************************************/
 884 static int
 885 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
 886 {
 887         int     cnt;
 888         int     status;
 889         srb_t           *sp;
 890         struct scsi_cmnd *cmd;
 891         unsigned long flags;
 892
 893         status = 1;
 894
 895         /*
 896          * Waiting for all commands for the designated target in the active
 897          * array
 898          */
 899         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 900                 spin_lock_irqsave(&ha->hardware_lock, flags);
 901                 sp = ha->outstanding_cmds[cnt];
 902                 if (sp) {
 903                         cmd = sp->cmd;
 904                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 905                         status = qla2x00_eh_wait_on_command(ha, cmd);
 906                         if (status == 0)
 907                                 break;
 908                 }
 909                 else {
 910                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 911                 }
 912         }
 913         return (status);
 914 }
 915
 916
 917 /**************************************************************************
 918 * qla2xxx_eh_bus_reset
 919 *
 920 * Description:
 921 *    The bus reset function will reset the bus and abort any executing
 922 *    commands.
 923 *
 924 * Input:
 925 *    cmd = Linux SCSI command packet of the command that cause the
 926 *          bus reset.
 927 *
 928 * Returns:
 929 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 930 *
 931 **************************************************************************/
 932 static int
 933 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 934 {
 935         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 936         scsi_qla_host_t *pha = to_qla_parent(ha);
 937         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 938         int ret = FAILED;
 939         unsigned int id, lun;
 940         unsigned long serial;
 941
 942         qla2x00_block_error_handler(cmd);
 943
 944         id = cmd->device->id;
 945         lun = cmd->device->lun;
 946         serial = cmd->serial_number;
 947
 948         if (!fcport)
 949                 return ret;
 950
 951         qla_printk(KERN_INFO, ha,
 952             "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
 953
 954         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
 955                 DEBUG2(printk("%s failed:board disabled\n",__func__));
 956                 goto eh_bus_reset_done;
 957         }
 958
 959         if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
 960                 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
 961                         ret = SUCCESS;
 962         }
 963         if (ret == FAILED)
 964                 goto eh_bus_reset_done;
 965
 966         /* Flush outstanding commands. */
 967         if (!qla2x00_eh_wait_for_pending_commands(pha))
 968                 ret = FAILED;
 969
 970 eh_bus_reset_done:
 971         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
 972             (ret == FAILED) ? "failed" : "succeded");
 973
 974         return ret;
 975 }
 976
 977 /**************************************************************************
 978 * qla2xxx_eh_host_reset
 979 *
 980 * Description:
 981 *    The reset function will reset the Adapter.
 982 *
 983 * Input:
 984 *      cmd = Linux SCSI command packet of the command that cause the
 985 *            adapter reset.
 986 *
 987 * Returns:
 988 *      Either SUCCESS or FAILED.
 989 *
 990 * Note:
 991 **************************************************************************/
 992 static int
 993 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 994 {
 995         scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 996         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 997         int ret = FAILED;
 998         unsigned int id, lun;
 999         unsigned long serial;
1000         scsi_qla_host_t *pha = to_qla_parent(ha);
1001
1002         qla2x00_block_error_handler(cmd);
1003
1004         id = cmd->device->id;
1005         lun = cmd->device->lun;
1006         serial = cmd->serial_number;
1007
1008         if (!fcport)
1009                 return ret;
1010
1011         qla_printk(KERN_INFO, ha,
1012             "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
1013
1014         if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1015                 goto eh_host_reset_lock;
1016
1017         /*
1018          * Fixme-may be dpc thread is active and processing
1019          * loop_resync,so wait a while for it to
1020          * be completed and then issue big hammer.Otherwise
1021          * it may cause I/O failure as big hammer marks the
1022          * devices as lost kicking of the port_down_timer
1023          * while dpc is stuck for the mailbox to complete.
1024          */
1025         qla2x00_wait_for_loop_ready(ha);
1026         set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1027         if (qla2x00_abort_isp(pha)) {
1028                 clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1029                 /* failed. schedule dpc to try */
1030                 set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
1031
1032                 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
1033                         goto eh_host_reset_lock;
1034         }
1035         clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
1036
1037         /* Waiting for our command in done_queue to be returned to OS.*/
1038         if (qla2x00_eh_wait_for_pending_commands(pha))
1039                 ret = SUCCESS;
1040
1041         if (ha->parent)
1042                 qla2x00_vp_abort_isp(ha);
1043
1044 eh_host_reset_lock:
1045         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1046             (ret == FAILED) ? "failed" : "succeded");
1047
1048         return ret;
1049 }
1050
1051 /*
1052 * qla2x00_loop_reset
1053 *      Issue loop reset.
1054 *
1055 * Input:
1056 *      ha = adapter block pointer.
1057 *
1058 * Returns:
1059 *      0 = success
1060 */
1061 static int
1062 qla2x00_loop_reset(scsi_qla_host_t *ha)
1063 {
1064         int ret;
1065         struct fc_port *fcport;
1066
1067         if (ha->flags.enable_lip_full_login) {
1068                 ret = qla2x00_full_login_lip(ha);
1069                 if (ret != QLA_SUCCESS) {
1070                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1071                             "full_login_lip=%d.\n", __func__, ha->host_no,
1072                             ret));
1073                 }
1074                 atomic_set(&ha->loop_state, LOOP_DOWN);
1075                 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
1076                 qla2x00_mark_all_devices_lost(ha, 0);
1077                 qla2x00_wait_for_loop_ready(ha);
1078         }
1079
1080         if (ha->flags.enable_lip_reset) {
1081                 ret = qla2x00_lip_reset(ha);
1082                 if (ret != QLA_SUCCESS) {
1083                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1084                             "lip_reset=%d.\n", __func__, ha->host_no, ret));
1085                 }
1086                 qla2x00_wait_for_loop_ready(ha);
1087         }
1088
1089         if (ha->flags.enable_target_reset) {
1090                 list_for_each_entry(fcport, &ha->fcports, list) {
1091                         if (fcport->port_type != FCT_TARGET)
1092                                 continue;
1093
1094                         ret = qla2x00_device_reset(ha, fcport);
1095                         if (ret != QLA_SUCCESS) {
1096                                 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1097                                     "target_reset=%d d_id=%x.\n", __func__,
1098                                     ha->host_no, ret, fcport->d_id.b24));
1099                         }
1100                 }
1101         }
1102
1103         /* Issue marker command only when we are going to start the I/O */
1104         ha->marker_needed = 1;
1105
1106         return QLA_SUCCESS;
1107 }
1108
1109 /*
1110  * qla2x00_device_reset
1111  *      Issue bus device reset message to the target.
1112  *
1113  * Input:
1114  *      ha = adapter block pointer.
1115  *      t = SCSI ID.
1116  *      TARGET_QUEUE_LOCK must be released.
1117  *      ADAPTER_STATE_LOCK must be released.
1118  *
1119  * Context:
1120  *      Kernel context.
1121  */
1122 static int
1123 qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1124 {
1125         /* Abort Target command will clear Reservation */
1126         return ha->isp_ops->abort_target(reset_fcport);
1127 }
1128
1129 static int
1130 qla2xxx_slave_alloc(struct scsi_device *sdev)
1131 {
1132         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1133
1134         if (!rport || fc_remote_port_chkready(rport))
1135                 return -ENXIO;
1136
1137         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1138
1139         return 0;
1140 }
1141
1142 static int
1143 qla2xxx_slave_configure(struct scsi_device *sdev)
1144 {
1145         scsi_qla_host_t *ha = shost_priv(sdev->host);
1146         struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1147
1148         if (sdev->tagged_supported)
1149                 scsi_activate_tcq(sdev, ha->max_q_depth);
1150         else
1151                 scsi_deactivate_tcq(sdev, ha->max_q_depth);
1152
1153         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1154
1155         return 0;
1156 }
1157
1158 static void
1159 qla2xxx_slave_destroy(struct scsi_device *sdev)
1160 {
1161         sdev->hostdata = NULL;
1162 }
1163
1164 static int
1165 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1166 {
1167         scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1168         return sdev->queue_depth;
1169 }
1170
1171 static int
1172 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1173 {
1174         if (sdev->tagged_supported) {
1175                 scsi_set_tag_type(sdev, tag_type);
1176                 if (tag_type)
1177                         scsi_activate_tcq(sdev, sdev->queue_depth);
1178                 else
1179                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1180         } else
1181                 tag_type = 0;
1182
1183         return tag_type;
1184 }
1185
1186 /**
1187  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1188  * @ha: HA context
1189  *
1190  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1191  * supported addressing method.
1192  */
1193 static void
1194 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1195 {
1196         /* Assume a 32bit DMA mask. */
1197         ha->flags.enable_64bit_addressing = 0;
1198
1199         if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1200                 /* Any upper-dword bits set? */
1201                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1202                     !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1203                         /* Ok, a 64bit DMA mask is applicable. */
1204                         ha->flags.enable_64bit_addressing = 1;
1205                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1206                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1207                         return;
1208                 }
1209         }
1210
1211         dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1212         pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1213 }
1214
1215 static void
1216 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1217 {
1218         unsigned long flags = 0;
1219         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1220
1221         spin_lock_irqsave(&ha->hardware_lock, flags);
1222         ha->interrupts_on = 1;
1223         /* enable risc and host interrupts */
1224         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1225         RD_REG_WORD(&reg->ictrl);
1226         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1227
1228 }
1229
1230 static void
1231 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1232 {
1233         unsigned long flags = 0;
1234         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1235
1236         spin_lock_irqsave(&ha->hardware_lock, flags);
1237         ha->interrupts_on = 0;
1238         /* disable risc and host interrupts */
1239         WRT_REG_WORD(&reg->ictrl, 0);
1240         RD_REG_WORD(&reg->ictrl);
1241         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1242 }
1243
1244 static void
1245 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1246 {
1247         unsigned long flags = 0;
1248         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1249
1250         spin_lock_irqsave(&ha->hardware_lock, flags);
1251         ha->interrupts_on = 1;
1252         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1253         RD_REG_DWORD(&reg->ictrl);
1254         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1255 }
1256
1257 static void
1258 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1259 {
1260         unsigned long flags = 0;
1261         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1262
1263         spin_lock_irqsave(&ha->hardware_lock, flags);
1264         ha->interrupts_on = 0;
1265         WRT_REG_DWORD(&reg->ictrl, 0);
1266         RD_REG_DWORD(&reg->ictrl);
1267         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1268 }
1269
1270 static struct isp_operations qla2100_isp_ops = {
1271         .pci_config             = qla2100_pci_config,
1272         .reset_chip             = qla2x00_reset_chip,
1273         .chip_diag              = qla2x00_chip_diag,
1274         .config_rings           = qla2x00_config_rings,
1275         .reset_adapter          = qla2x00_reset_adapter,
1276         .nvram_config           = qla2x00_nvram_config,
1277         .update_fw_options      = qla2x00_update_fw_options,
1278         .load_risc              = qla2x00_load_risc,
1279         .pci_info_str           = qla2x00_pci_info_str,
1280         .fw_version_str         = qla2x00_fw_version_str,
1281         .intr_handler           = qla2100_intr_handler,
1282         .enable_intrs           = qla2x00_enable_intrs,
1283         .disable_intrs          = qla2x00_disable_intrs,
1284         .abort_command          = qla2x00_abort_command,
1285         .abort_target           = qla2x00_abort_target,
1286         .fabric_login           = qla2x00_login_fabric,
1287         .fabric_logout          = qla2x00_fabric_logout,
1288         .calc_req_entries       = qla2x00_calc_iocbs_32,
1289         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1290         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1291         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1292         .read_nvram             = qla2x00_read_nvram_data,
1293         .write_nvram            = qla2x00_write_nvram_data,
1294         .fw_dump                = qla2100_fw_dump,
1295         .beacon_on              = NULL,
1296         .beacon_off             = NULL,
1297         .beacon_blink           = NULL,
1298         .read_optrom            = qla2x00_read_optrom_data,
1299         .write_optrom           = qla2x00_write_optrom_data,
1300         .get_flash_version      = qla2x00_get_flash_version,
1301 };
1302
1303 static struct isp_operations qla2300_isp_ops = {
1304         .pci_config             = qla2300_pci_config,
1305         .reset_chip             = qla2x00_reset_chip,
1306         .chip_diag              = qla2x00_chip_diag,
1307         .config_rings           = qla2x00_config_rings,
1308         .reset_adapter          = qla2x00_reset_adapter,
1309         .nvram_config           = qla2x00_nvram_config,
1310         .update_fw_options      = qla2x00_update_fw_options,
1311         .load_risc              = qla2x00_load_risc,
1312         .pci_info_str           = qla2x00_pci_info_str,
1313         .fw_version_str         = qla2x00_fw_version_str,
1314         .intr_handler           = qla2300_intr_handler,
1315         .enable_intrs           = qla2x00_enable_intrs,
1316         .disable_intrs          = qla2x00_disable_intrs,
1317         .abort_command          = qla2x00_abort_command,
1318         .abort_target           = qla2x00_abort_target,
1319         .fabric_login           = qla2x00_login_fabric,
1320         .fabric_logout          = qla2x00_fabric_logout,
1321         .calc_req_entries       = qla2x00_calc_iocbs_32,
1322         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1323         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1324         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1325         .read_nvram             = qla2x00_read_nvram_data,
1326         .write_nvram            = qla2x00_write_nvram_data,
1327         .fw_dump                = qla2300_fw_dump,
1328         .beacon_on              = qla2x00_beacon_on,
1329         .beacon_off             = qla2x00_beacon_off,
1330         .beacon_blink           = qla2x00_beacon_blink,
1331         .read_optrom            = qla2x00_read_optrom_data,
1332         .write_optrom           = qla2x00_write_optrom_data,
1333         .get_flash_version      = qla2x00_get_flash_version,
1334 };
1335
1336 static struct isp_operations qla24xx_isp_ops = {
1337         .pci_config             = qla24xx_pci_config,
1338         .reset_chip             = qla24xx_reset_chip,
1339         .chip_diag              = qla24xx_chip_diag,
1340         .config_rings           = qla24xx_config_rings,
1341         .reset_adapter          = qla24xx_reset_adapter,
1342         .nvram_config           = qla24xx_nvram_config,
1343         .update_fw_options      = qla24xx_update_fw_options,
1344         .load_risc              = qla24xx_load_risc,
1345         .pci_info_str           = qla24xx_pci_info_str,
1346         .fw_version_str         = qla24xx_fw_version_str,
1347         .intr_handler           = qla24xx_intr_handler,
1348         .enable_intrs           = qla24xx_enable_intrs,
1349         .disable_intrs          = qla24xx_disable_intrs,
1350         .abort_command          = qla24xx_abort_command,
1351         .abort_target           = qla24xx_abort_target,
1352         .fabric_login           = qla24xx_login_fabric,
1353         .fabric_logout          = qla24xx_fabric_logout,
1354         .calc_req_entries       = NULL,
1355         .build_iocbs            = NULL,
1356         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1357         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1358         .read_nvram             = qla24xx_read_nvram_data,
1359         .write_nvram            = qla24xx_write_nvram_data,
1360         .fw_dump                = qla24xx_fw_dump,
1361         .beacon_on              = qla24xx_beacon_on,
1362         .beacon_off             = qla24xx_beacon_off,
1363         .beacon_blink           = qla24xx_beacon_blink,
1364         .read_optrom            = qla24xx_read_optrom_data,
1365         .write_optrom           = qla24xx_write_optrom_data,
1366         .get_flash_version      = qla24xx_get_flash_version,
1367 };
1368
1369 static struct isp_operations qla25xx_isp_ops = {
1370         .pci_config             = qla25xx_pci_config,
1371         .reset_chip             = qla24xx_reset_chip,
1372         .chip_diag              = qla24xx_chip_diag,
1373         .config_rings           = qla24xx_config_rings,
1374         .reset_adapter          = qla24xx_reset_adapter,
1375         .nvram_config           = qla24xx_nvram_config,
1376         .update_fw_options      = qla24xx_update_fw_options,
1377         .load_risc              = qla24xx_load_risc,
1378         .pci_info_str           = qla24xx_pci_info_str,
1379         .fw_version_str         = qla24xx_fw_version_str,
1380         .intr_handler           = qla24xx_intr_handler,
1381         .enable_intrs           = qla24xx_enable_intrs,
1382         .disable_intrs          = qla24xx_disable_intrs,
1383         .abort_command          = qla24xx_abort_command,
1384         .abort_target           = qla24xx_abort_target,
1385         .fabric_login           = qla24xx_login_fabric,
1386         .fabric_logout          = qla24xx_fabric_logout,
1387         .calc_req_entries       = NULL,
1388         .build_iocbs            = NULL,
1389         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1390         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1391         .read_nvram             = qla25xx_read_nvram_data,
1392         .write_nvram            = qla25xx_write_nvram_data,
1393         .fw_dump                = qla25xx_fw_dump,
1394         .beacon_on              = qla24xx_beacon_on,
1395         .beacon_off             = qla24xx_beacon_off,
1396         .beacon_blink           = qla24xx_beacon_blink,
1397         .read_optrom            = qla25xx_read_optrom_data,
1398         .write_optrom           = qla24xx_write_optrom_data,
1399         .get_flash_version      = qla24xx_get_flash_version,
1400 };
1401
1402 static inline void
1403 qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1404 {
1405         ha->device_type = DT_EXTENDED_IDS;
1406         switch (ha->pdev->device) {
1407         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1408                 ha->device_type |= DT_ISP2100;
1409                 ha->device_type &= ~DT_EXTENDED_IDS;
1410                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1411                 break;
1412         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1413                 ha->device_type |= DT_ISP2200;
1414                 ha->device_type &= ~DT_EXTENDED_IDS;
1415                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1416                 break;
1417         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1418                 ha->device_type |= DT_ISP2300;
1419                 ha->device_type |= DT_ZIO_SUPPORTED;
1420                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1421                 break;
1422         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1423                 ha->device_type |= DT_ISP2312;
1424                 ha->device_type |= DT_ZIO_SUPPORTED;
1425                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1426                 break;
1427         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1428                 ha->device_type |= DT_ISP2322;
1429                 ha->device_type |= DT_ZIO_SUPPORTED;
1430                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1431                     ha->pdev->subsystem_device == 0x0170)
1432                         ha->device_type |= DT_OEM_001;
1433                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1434                 break;
1435         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1436                 ha->device_type |= DT_ISP6312;
1437                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1438                 break;
1439         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1440                 ha->device_type |= DT_ISP6322;
1441                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1442                 break;
1443         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1444                 ha->device_type |= DT_ISP2422;
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_ISP2432:
1451                 ha->device_type |= DT_ISP2432;
1452                 ha->device_type |= DT_ZIO_SUPPORTED;
1453                 ha->device_type |= DT_FWI2;
1454                 ha->device_type |= DT_IIDMA;
1455                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1456                 break;
1457         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1458                 ha->device_type |= DT_ISP5422;
1459                 ha->device_type |= DT_FWI2;
1460                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1461                 break;
1462         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1463                 ha->device_type |= DT_ISP5432;
1464                 ha->device_type |= DT_FWI2;
1465                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1466                 break;
1467         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1468                 ha->device_type |= DT_ISP2532;
1469                 ha->device_type |= DT_ZIO_SUPPORTED;
1470                 ha->device_type |= DT_FWI2;
1471                 ha->device_type |= DT_IIDMA;
1472                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1473                 break;
1474         }
1475 }
1476
1477 static int
1478 qla2x00_iospace_config(scsi_qla_host_t *ha)
1479 {
1480         unsigned long   pio, pio_len, pio_flags;
1481         unsigned long   mmio, mmio_len, mmio_flags;
1482
1483         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1484         pio = pci_resource_start(ha->pdev, 0);
1485         pio_len = pci_resource_len(ha->pdev, 0);
1486         pio_flags = pci_resource_flags(ha->pdev, 0);
1487         if (pio_flags & IORESOURCE_IO) {
1488                 if (pio_len < MIN_IOBASE_LEN) {
1489                         qla_printk(KERN_WARNING, ha,
1490                             "Invalid PCI I/O region size (%s)...\n",
1491                                 pci_name(ha->pdev));
1492                         pio = 0;
1493                 }
1494         } else {
1495                 qla_printk(KERN_WARNING, ha,
1496                     "region #0 not a PIO resource (%s)...\n",
1497                     pci_name(ha->pdev));
1498                 pio = 0;
1499         }
1500
1501         /* Use MMIO operations for all accesses. */
1502         mmio = pci_resource_start(ha->pdev, 1);
1503         mmio_len = pci_resource_len(ha->pdev, 1);
1504         mmio_flags = pci_resource_flags(ha->pdev, 1);
1505
1506         if (!(mmio_flags & IORESOURCE_MEM)) {
1507                 qla_printk(KERN_ERR, ha,
1508                     "region #0 not an MMIO resource (%s), aborting\n",
1509                     pci_name(ha->pdev));
1510                 goto iospace_error_exit;
1511         }
1512         if (mmio_len < MIN_IOBASE_LEN) {
1513                 qla_printk(KERN_ERR, ha,
1514                     "Invalid PCI mem region size (%s), aborting\n",
1515                         pci_name(ha->pdev));
1516                 goto iospace_error_exit;
1517         }
1518
1519         if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
1520                 qla_printk(KERN_WARNING, ha,
1521                     "Failed to reserve PIO/MMIO regions (%s)\n",
1522                     pci_name(ha->pdev));
1523
1524                 goto iospace_error_exit;
1525         }
1526
1527         ha->pio_address = pio;
1528         ha->pio_length = pio_len;
1529         ha->iobase = ioremap(mmio, MIN_IOBASE_LEN);
1530         if (!ha->iobase) {
1531                 qla_printk(KERN_ERR, ha,
1532                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1533
1534                 goto iospace_error_exit;
1535         }
1536
1537         return (0);
1538
1539 iospace_error_exit:
1540         return (-ENOMEM);
1541 }
1542
1543 static void
1544 qla2xxx_scan_start(struct Scsi_Host *shost)
1545 {
1546         scsi_qla_host_t *ha = shost_priv(shost);
1547
1548         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1549         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1550         set_bit(RSCN_UPDATE, &ha->dpc_flags);
1551 }
1552
1553 static int
1554 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1555 {
1556         scsi_qla_host_t *ha = shost_priv(shost);
1557
1558         if (!ha->host)
1559                 return 1;
1560         if (time > ha->loop_reset_delay * HZ)
1561                 return 1;
1562
1563         return atomic_read(&ha->loop_state) == LOOP_READY;
1564 }
1565
1566 /*
1567  * PCI driver interface
1568  */
1569 static int __devinit
1570 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1571 {
1572         int     ret = -ENODEV;
1573         device_reg_t __iomem *reg;
1574         struct Scsi_Host *host;
1575         scsi_qla_host_t *ha;
1576         unsigned long   flags = 0;
1577         char pci_info[30];
1578         char fw_str[30];
1579         struct scsi_host_template *sht;
1580
1581         if (pci_enable_device(pdev))
1582                 goto probe_out;
1583
1584         if (pci_find_aer_capability(pdev))
1585                 if (pci_enable_pcie_error_reporting(pdev))
1586                         goto probe_out;
1587
1588         sht = &qla2x00_driver_template;
1589         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1590             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1591             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1592             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1593             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532)
1594                 sht = &qla24xx_driver_template;
1595         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1596         if (host == NULL) {
1597                 printk(KERN_WARNING
1598                     "qla2xxx: Couldn't allocate host from scsi layer!\n");
1599                 goto probe_disable_device;
1600         }
1601
1602         /* Clear our data area */
1603         ha = shost_priv(host);
1604         memset(ha, 0, sizeof(scsi_qla_host_t));
1605
1606         ha->pdev = pdev;
1607         ha->host = host;
1608         ha->host_no = host->host_no;
1609         sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
1610         ha->parent = NULL;
1611
1612         /* Set ISP-type information. */
1613         qla2x00_set_isp_flags(ha);
1614
1615         /* Configure PCI I/O space */
1616         ret = qla2x00_iospace_config(ha);
1617         if (ret)
1618                 goto probe_failed;
1619
1620         qla_printk(KERN_INFO, ha,
1621             "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1622             ha->iobase);
1623
1624         spin_lock_init(&ha->hardware_lock);
1625
1626         ha->prev_topology = 0;
1627         ha->init_cb_size = sizeof(init_cb_t);
1628         ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
1629         ha->link_data_rate = PORT_SPEED_UNKNOWN;
1630         ha->optrom_size = OPTROM_SIZE_2300;
1631
1632         ha->max_q_depth = MAX_Q_DEPTH;
1633         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1634                 ha->max_q_depth = ql2xmaxqdepth;
1635
1636         /* Assign ISP specific operations. */
1637         if (IS_QLA2100(ha)) {
1638                 host->max_id = MAX_TARGETS_2100;
1639                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1640                 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1641                 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1642                 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1643                 host->sg_tablesize = 32;
1644                 ha->gid_list_info_size = 4;
1645                 ha->isp_ops = &qla2100_isp_ops;
1646         } else if (IS_QLA2200(ha)) {
1647                 host->max_id = MAX_TARGETS_2200;
1648                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1649                 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1650                 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1651                 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1652                 ha->gid_list_info_size = 4;
1653                 ha->isp_ops = &qla2100_isp_ops;
1654         } else if (IS_QLA23XX(ha)) {
1655                 host->max_id = MAX_TARGETS_2200;
1656                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1657                 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1658                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1659                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1660                 ha->gid_list_info_size = 6;
1661                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1662                         ha->optrom_size = OPTROM_SIZE_2322;
1663                 ha->isp_ops = &qla2300_isp_ops;
1664         } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1665                 host->max_id = MAX_TARGETS_2200;
1666                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1667                 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1668                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1669                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1670                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1671                 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1672                 ha->gid_list_info_size = 8;
1673                 ha->optrom_size = OPTROM_SIZE_24XX;
1674                 ha->isp_ops = &qla24xx_isp_ops;
1675         } else if (IS_QLA25XX(ha)) {
1676                 host->max_id = MAX_TARGETS_2200;
1677                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1678                 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1679                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1680                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1681                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1682                 ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
1683                 ha->gid_list_info_size = 8;
1684                 ha->optrom_size = OPTROM_SIZE_25XX;
1685                 ha->isp_ops = &qla25xx_isp_ops;
1686         }
1687         host->can_queue = ha->request_q_length + 128;
1688
1689         /* load the F/W, read paramaters, and init the H/W */
1690         ha->instance = num_hosts;
1691
1692         init_MUTEX(&ha->mbx_cmd_sem);
1693         init_MUTEX(&ha->vport_sem);
1694         init_MUTEX_LOCKED(&ha->mbx_intr_sem);
1695
1696         INIT_LIST_HEAD(&ha->list);
1697         INIT_LIST_HEAD(&ha->fcports);
1698         INIT_LIST_HEAD(&ha->vp_list);
1699
1700         set_bit(0, (unsigned long *) ha->vp_idx_map);
1701
1702         qla2x00_config_dma_addressing(ha);
1703         if (qla2x00_mem_alloc(ha)) {
1704                 qla_printk(KERN_WARNING, ha,
1705                     "[ERROR] Failed to allocate memory for adapter\n");
1706
1707                 ret = -ENOMEM;
1708                 goto probe_failed;
1709         }
1710
1711         if (qla2x00_initialize_adapter(ha)) {
1712                 qla_printk(KERN_WARNING, ha,
1713                     "Failed to initialize adapter\n");
1714
1715                 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1716                     "Adapter flags %x.\n",
1717                     ha->host_no, ha->device_flags));
1718
1719                 ret = -ENODEV;
1720                 goto probe_failed;
1721         }
1722
1723         /*
1724          * Startup the kernel thread for this host adapter
1725          */
1726         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1727                         "%s_dpc", ha->host_str);
1728         if (IS_ERR(ha->dpc_thread)) {
1729                 qla_printk(KERN_WARNING, ha,
1730                     "Unable to start DPC thread!\n");
1731                 ret = PTR_ERR(ha->dpc_thread);
1732                 goto probe_failed;
1733         }
1734
1735         host->this_id = 255;
1736         host->cmd_per_lun = 3;
1737         host->unique_id = ha->instance;
1738         host->max_cmd_len = MAX_CMDSZ;
1739         host->max_channel = MAX_BUSES - 1;
1740         host->max_lun = MAX_LUNS;
1741         host->transportt = qla2xxx_transport_template;
1742
1743         ret = qla2x00_request_irqs(ha);
1744         if (ret)
1745                 goto probe_failed;
1746
1747         /* Initialized the timer */
1748         qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1749
1750         DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1751             ha->host_no, ha));
1752
1753         ha->isp_ops->disable_intrs(ha);
1754
1755         spin_lock_irqsave(&ha->hardware_lock, flags);
1756         reg = ha->iobase;
1757         if (IS_FWI2_CAPABLE(ha)) {
1758                 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
1759                 WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
1760         } else {
1761                 WRT_REG_WORD(&reg->isp.semaphore, 0);
1762                 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_RISC_INT);
1763                 WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_HOST_INT);
1764
1765                 /* Enable proper parity */
1766                 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1767                         if (IS_QLA2300(ha))
1768                                 /* SRAM parity */
1769                                 WRT_REG_WORD(&reg->isp.hccr,
1770                                     (HCCR_ENABLE_PARITY + 0x1));
1771                         else
1772                                 /* SRAM, Instruction RAM and GP RAM parity */
1773                                 WRT_REG_WORD(&reg->isp.hccr,
1774                                     (HCCR_ENABLE_PARITY + 0x7));
1775                 }
1776         }
1777         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1778
1779         ha->isp_ops->enable_intrs(ha);
1780
1781         pci_set_drvdata(pdev, ha);
1782
1783         ha->flags.init_done = 1;
1784         ha->flags.online = 1;
1785
1786         num_hosts++;
1787
1788         ret = scsi_add_host(host, &pdev->dev);
1789         if (ret)
1790                 goto probe_failed;
1791
1792         scsi_scan_host(host);
1793
1794         qla2x00_alloc_sysfs_attr(ha);
1795
1796         qla2x00_init_host_attr(ha);
1797
1798         qla_printk(KERN_INFO, ha, "\n"
1799             " QLogic Fibre Channel HBA Driver: %s\n"
1800             "  QLogic %s - %s\n"
1801             "  ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1802             qla2x00_version_str, ha->model_number,
1803             ha->model_desc ? ha->model_desc: "", pdev->device,
1804             ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev),
1805             ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1806             ha->isp_ops->fw_version_str(ha, fw_str));
1807
1808         return 0;
1809
1810 probe_failed:
1811         qla2x00_free_device(ha);
1812
1813         scsi_host_put(host);
1814
1815 probe_disable_device:
1816         pci_disable_device(pdev);
1817
1818 probe_out:
1819         return ret;
1820 }
1821
1822 static void __devexit
1823 qla2x00_remove_one(struct pci_dev *pdev)
1824 {
1825         scsi_qla_host_t *ha;
1826
1827         ha = pci_get_drvdata(pdev);
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->eft)
1863                 qla2x00_trace_control(ha, TC_DISABLE, 0, 0);
1864
1865         ha->flags.online = 0;
1866
1867         /* Stop currently executing firmware. */
1868         qla2x00_try_to_stop_firmware(ha);
1869
1870         /* turn-off interrupts on the card */
1871         if (ha->interrupts_on)
1872                 ha->isp_ops->disable_intrs(ha);
1873
1874         qla2x00_mem_free(ha);
1875
1876         qla2x00_free_irqs(ha);
1877
1878         /* release io space registers  */
1879         if (ha->iobase)
1880                 iounmap(ha->iobase);
1881         pci_release_regions(ha->pdev);
1882 }
1883
1884 static inline void
1885 qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1886     int defer)
1887 {
1888         unsigned long flags;
1889         struct fc_rport *rport;
1890
1891         if (!fcport->rport)
1892                 return;
1893
1894         rport = fcport->rport;
1895         if (defer) {
1896                 spin_lock_irqsave(&fcport->rport_lock, flags);
1897                 fcport->drport = rport;
1898                 fcport->rport = NULL;
1899                 *(fc_port_t **)rport->dd_data = NULL;
1900                 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1901                 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1902         } else {
1903                 spin_lock_irqsave(&fcport->rport_lock, flags);
1904                 fcport->rport = NULL;
1905                 *(fc_port_t **)rport->dd_data = NULL;
1906                 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1907                 fc_remote_port_delete(rport);
1908         }
1909 }
1910
1911 /*
1912  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1913  *
1914  * Input: ha = adapter block pointer.  fcport = port structure pointer.
1915  *
1916  * Return: None.
1917  *
1918  * Context:
1919  */
1920 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1921     int do_login, int defer)
1922 {
1923         if (atomic_read(&fcport->state) == FCS_ONLINE &&
1924             ha->vp_idx == fcport->vp_idx)
1925                 qla2x00_schedule_rport_del(ha, fcport, defer);
1926
1927         /*
1928          * We may need to retry the login, so don't change the state of the
1929          * port but do the retries.
1930          */
1931         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1932                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1933
1934         if (!do_login)
1935                 return;
1936
1937         if (fcport->login_retry == 0) {
1938                 fcport->login_retry = ha->login_retry_count;
1939                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1940
1941                 DEBUG(printk("scsi(%ld): Port login retry: "
1942                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
1943                     "id = 0x%04x retry cnt=%d\n",
1944                     ha->host_no,
1945                     fcport->port_name[0],
1946                     fcport->port_name[1],
1947                     fcport->port_name[2],
1948                     fcport->port_name[3],
1949                     fcport->port_name[4],
1950                     fcport->port_name[5],
1951                     fcport->port_name[6],
1952                     fcport->port_name[7],
1953                     fcport->loop_id,
1954                     fcport->login_retry));
1955         }
1956 }
1957
1958 /*
1959  * qla2x00_mark_all_devices_lost
1960  *      Updates fcport state when device goes offline.
1961  *
1962  * Input:
1963  *      ha = adapter block pointer.
1964  *      fcport = port structure pointer.
1965  *
1966  * Return:
1967  *      None.
1968  *
1969  * Context:
1970  */
1971 void
1972 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1973 {
1974         fc_port_t *fcport;
1975         scsi_qla_host_t *pha = to_qla_parent(ha);
1976
1977         list_for_each_entry(fcport, &pha->fcports, list) {
1978                 if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
1979                         continue;
1980                 /*
1981                  * No point in marking the device as lost, if the device is
1982                  * already DEAD.
1983                  */
1984                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1985                         continue;
1986                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1987                         if (defer)
1988                                 qla2x00_schedule_rport_del(ha, fcport, defer);
1989                         else if (ha->vp_idx == fcport->vp_idx)
1990                                 qla2x00_schedule_rport_del(ha, fcport, defer);
1991                 }
1992                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1993         }
1994
1995         if (defer)
1996                 qla2xxx_wake_dpc(ha);
1997 }
1998
1999 /*
2000 * qla2x00_mem_alloc
2001 *      Allocates adapter memory.
2002 *
2003 * Returns:
2004 *      0  = success.
2005 *      1  = failure.
2006 */
2007 uint8_t
2008 qla2x00_mem_alloc(scsi_qla_host_t *ha)
2009 {
2010         char    name[16];
2011         uint8_t   status = 1;
2012         int     retry= 10;
2013
2014         do {
2015                 /*
2016                  * This will loop only once if everything goes well, else some
2017                  * number of retries will be performed to get around a kernel
2018                  * bug where available mem is not allocated until after a
2019                  * little delay and a retry.
2020                  */
2021                 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
2022                     (ha->request_q_length + 1) * sizeof(request_t),
2023                     &ha->request_dma, GFP_KERNEL);
2024                 if (ha->request_ring == NULL) {
2025                         qla_printk(KERN_WARNING, ha,
2026                             "Memory Allocation failed - request_ring\n");
2027
2028                         qla2x00_mem_free(ha);
2029                         msleep(100);
2030
2031                         continue;
2032                 }
2033
2034                 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
2035                     (ha->response_q_length + 1) * sizeof(response_t),
2036                     &ha->response_dma, GFP_KERNEL);
2037                 if (ha->response_ring == NULL) {
2038                         qla_printk(KERN_WARNING, ha,
2039                             "Memory Allocation failed - response_ring\n");
2040
2041                         qla2x00_mem_free(ha);
2042                         msleep(100);
2043
2044                         continue;
2045                 }
2046
2047                 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2048                     &ha->gid_list_dma, GFP_KERNEL);
2049                 if (ha->gid_list == NULL) {
2050                         qla_printk(KERN_WARNING, ha,
2051                             "Memory Allocation failed - gid_list\n");
2052
2053                         qla2x00_mem_free(ha);
2054                         msleep(100);
2055
2056                         continue;
2057                 }
2058
2059                 /* get consistent memory allocated for init control block */
2060                 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev,
2061                     ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL);
2062                 if (ha->init_cb == NULL) {
2063                         qla_printk(KERN_WARNING, ha,
2064                             "Memory Allocation failed - init_cb\n");
2065
2066                         qla2x00_mem_free(ha);
2067                         msleep(100);
2068
2069                         continue;
2070                 }
2071                 memset(ha->init_cb, 0, ha->init_cb_size);
2072
2073                 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
2074                     ha->host_no);
2075                 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2076                     DMA_POOL_SIZE, 8, 0);
2077                 if (ha->s_dma_pool == NULL) {
2078                         qla_printk(KERN_WARNING, ha,
2079                             "Memory Allocation failed - s_dma_pool\n");
2080
2081                         qla2x00_mem_free(ha);
2082                         msleep(100);
2083
2084                         continue;
2085                 }
2086
2087                 if (qla2x00_allocate_sp_pool(ha)) {
2088                         qla_printk(KERN_WARNING, ha,
2089                             "Memory Allocation failed - "
2090                             "qla2x00_allocate_sp_pool()\n");
2091
2092                         qla2x00_mem_free(ha);
2093                         msleep(100);
2094
2095                         continue;
2096                 }
2097
2098                 /* Allocate memory for SNS commands */
2099                 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2100                         /* Get consistent memory allocated for SNS commands */
2101                         ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2102                             sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
2103                             GFP_KERNEL);
2104                         if (ha->sns_cmd == NULL) {
2105                                 /* error */
2106                                 qla_printk(KERN_WARNING, ha,
2107                                     "Memory Allocation failed - sns_cmd\n");
2108
2109                                 qla2x00_mem_free(ha);
2110                                 msleep(100);
2111
2112                                 continue;
2113                         }
2114                         memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
2115                 } else {
2116                         /* Get consistent memory allocated for MS IOCB */
2117                         ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2118                             &ha->ms_iocb_dma);
2119                         if (ha->ms_iocb == NULL) {
2120                                 /* error */
2121                                 qla_printk(KERN_WARNING, ha,
2122                                     "Memory Allocation failed - ms_iocb\n");
2123
2124                                 qla2x00_mem_free(ha);
2125                                 msleep(100);
2126
2127                                 continue;
2128                         }
2129                         memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
2130
2131                         /*
2132                          * Get consistent memory allocated for CT SNS
2133                          * commands
2134                          */
2135                         ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2136                             sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
2137                             GFP_KERNEL);
2138                         if (ha->ct_sns == NULL) {
2139                                 /* error */
2140                                 qla_printk(KERN_WARNING, ha,
2141                                     "Memory Allocation failed - ct_sns\n");
2142
2143                                 qla2x00_mem_free(ha);
2144                                 msleep(100);
2145
2146                                 continue;
2147                         }
2148                         memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
2149
2150                         if (IS_FWI2_CAPABLE(ha)) {
2151                                 /*
2152                                  * Get consistent memory allocated for SFP
2153                                  * block.
2154                                  */
2155                                 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool,
2156                                     GFP_KERNEL, &ha->sfp_data_dma);
2157                                 if (ha->sfp_data == NULL) {
2158                                         qla_printk(KERN_WARNING, ha,
2159                                             "Memory Allocation failed - "
2160                                             "sfp_data\n");
2161
2162                                         qla2x00_mem_free(ha);
2163                                         msleep(100);
2164
2165                                         continue;
2166                                 }
2167                                 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
2168                         }
2169                 }
2170
2171                 /* Get memory for cached NVRAM */
2172                 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2173                 if (ha->nvram == NULL) {
2174                         /* error */
2175                         qla_printk(KERN_WARNING, ha,
2176                             "Memory Allocation failed - nvram cache\n");
2177
2178                         qla2x00_mem_free(ha);
2179                         msleep(100);
2180
2181                         continue;
2182                 }
2183
2184                 /* Done all allocations without any error. */
2185                 status = 0;
2186
2187         } while (retry-- && status != 0);
2188
2189         if (status) {
2190                 printk(KERN_WARNING
2191                         "%s(): **** FAILED ****\n", __func__);
2192         }
2193
2194         return(status);
2195 }
2196
2197 /*
2198 * qla2x00_mem_free
2199 *      Frees all adapter allocated memory.
2200 *
2201 * Input:
2202 *      ha = adapter block pointer.
2203 */
2204 void
2205 qla2x00_mem_free(scsi_qla_host_t *ha)
2206 {
2207         struct list_head        *fcpl, *fcptemp;
2208         fc_port_t       *fcport;
2209
2210         if (ha == NULL) {
2211                 /* error */
2212                 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2213                 return;
2214         }
2215
2216         /* free sp pool */
2217         qla2x00_free_sp_pool(ha);
2218
2219         if (ha->fw_dump) {
2220                 if (ha->eft)
2221                         dma_free_coherent(&ha->pdev->dev,
2222                             ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2223                 vfree(ha->fw_dump);
2224         }
2225
2226         if (ha->sns_cmd)
2227                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2228                     ha->sns_cmd, ha->sns_cmd_dma);
2229
2230         if (ha->ct_sns)
2231                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2232                     ha->ct_sns, ha->ct_sns_dma);
2233
2234         if (ha->sfp_data)
2235                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2236
2237         if (ha->ms_iocb)
2238                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2239
2240         if (ha->s_dma_pool)
2241                 dma_pool_destroy(ha->s_dma_pool);
2242
2243         if (ha->init_cb)
2244                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2245                     ha->init_cb, ha->init_cb_dma);
2246
2247         if (ha->gid_list)
2248                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2249                     ha->gid_list_dma);
2250
2251         if (ha->response_ring)
2252                 dma_free_coherent(&ha->pdev->dev,
2253                     (ha->response_q_length + 1) * sizeof(response_t),
2254                     ha->response_ring, ha->response_dma);
2255
2256         if (ha->request_ring)
2257                 dma_free_coherent(&ha->pdev->dev,
2258                     (ha->request_q_length + 1) * sizeof(request_t),
2259                     ha->request_ring, ha->request_dma);
2260
2261         ha->eft = NULL;
2262         ha->eft_dma = 0;
2263         ha->sns_cmd = NULL;
2264         ha->sns_cmd_dma = 0;
2265         ha->ct_sns = NULL;
2266         ha->ct_sns_dma = 0;
2267         ha->ms_iocb = NULL;
2268         ha->ms_iocb_dma = 0;
2269         ha->init_cb = NULL;
2270         ha->init_cb_dma = 0;
2271
2272         ha->s_dma_pool = NULL;
2273
2274         ha->gid_list = NULL;
2275         ha->gid_list_dma = 0;
2276
2277         ha->response_ring = NULL;
2278         ha->response_dma = 0;
2279         ha->request_ring = NULL;
2280         ha->request_dma = 0;
2281
2282         list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2283                 fcport = list_entry(fcpl, fc_port_t, list);
2284
2285                 /* fc ports */
2286                 list_del_init(&fcport->list);
2287                 kfree(fcport);
2288         }
2289         INIT_LIST_HEAD(&ha->fcports);
2290
2291         ha->fw_dump = NULL;
2292         ha->fw_dumped = 0;
2293         ha->fw_dump_reading = 0;
2294
2295         vfree(ha->optrom_buffer);
2296         kfree(ha->nvram);
2297 }
2298
2299 /*
2300  * qla2x00_allocate_sp_pool
2301  *       This routine is called during initialization to allocate
2302  *       memory for local srb_t.
2303  *
2304  * Input:
2305  *       ha   = adapter block pointer.
2306  *
2307  * Context:
2308  *      Kernel context.
2309  */
2310 static int
2311 qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
2312 {
2313         int      rval;
2314
2315         rval = QLA_SUCCESS;
2316         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2317         if (ha->srb_mempool == NULL) {
2318                 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2319                 rval = QLA_FUNCTION_FAILED;
2320         }
2321         return (rval);
2322 }
2323
2324 /*
2325  *  This routine frees all adapter allocated memory.
2326  *
2327  */
2328 static void
2329 qla2x00_free_sp_pool( scsi_qla_host_t *ha)
2330 {
2331         if (ha->srb_mempool) {
2332                 mempool_destroy(ha->srb_mempool);
2333                 ha->srb_mempool = NULL;
2334         }
2335 }
2336
2337 /**************************************************************************
2338 * qla2x00_do_dpc
2339 *   This kernel thread is a task that is schedule by the interrupt handler
2340 *   to perform the background processing for interrupts.
2341 *
2342 * Notes:
2343 * This task always run in the context of a kernel thread.  It
2344 * is kick-off by the driver's detect code and starts up
2345 * up one per adapter. It immediately goes to sleep and waits for
2346 * some fibre event.  When either the interrupt handler or
2347 * the timer routine detects a event it will one of the task
2348 * bits then wake us up.
2349 **************************************************************************/
2350 static int
2351 qla2x00_do_dpc(void *data)
2352 {
2353         int             rval;
2354         scsi_qla_host_t *ha;
2355         fc_port_t       *fcport;
2356         uint8_t         status;
2357         uint16_t        next_loopid;
2358
2359         ha = (scsi_qla_host_t *)data;
2360
2361         set_user_nice(current, -20);
2362
2363         while (!kthread_should_stop()) {
2364                 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2365
2366                 set_current_state(TASK_INTERRUPTIBLE);
2367                 schedule();
2368                 __set_current_state(TASK_RUNNING);
2369
2370                 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2371
2372                 /* Initialization not yet finished. Don't do anything yet. */
2373                 if (!ha->flags.init_done)
2374                         continue;
2375
2376                 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2377
2378                 ha->dpc_active = 1;
2379
2380                 if (ha->flags.mbox_busy) {
2381                         ha->dpc_active = 0;
2382                         continue;
2383                 }
2384
2385                 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2386
2387                         DEBUG(printk("scsi(%ld): dpc: sched "
2388                             "qla2x00_abort_isp ha = %p\n",
2389                             ha->host_no, ha));
2390                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2391                             &ha->dpc_flags))) {
2392
2393                                 if (qla2x00_abort_isp(ha)) {
2394                                         /* failed. retry later */
2395                                         set_bit(ISP_ABORT_NEEDED,
2396                                             &ha->dpc_flags);
2397                                 }
2398                                 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2399                         }
2400                         DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2401                             ha->host_no));
2402                 }
2403
2404                 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2405                         qla2x00_update_fcports(ha);
2406
2407                 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2408                         DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2409                             ha->host_no));
2410                         qla2x00_loop_reset(ha);
2411                 }
2412
2413                 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2414                     (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2415
2416                         DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2417                             ha->host_no));
2418
2419                         qla2x00_rst_aen(ha);
2420                         clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2421                 }
2422
2423                 /* Retry each device up to login retry count */
2424                 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2425                     !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2426                     atomic_read(&ha->loop_state) != LOOP_DOWN) {
2427
2428                         DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2429                             ha->host_no));
2430
2431                         next_loopid = 0;
2432                         list_for_each_entry(fcport, &ha->fcports, list) {
2433                                 /*
2434                                  * If the port is not ONLINE then try to login
2435                                  * to it if we haven't run out of retries.
2436                                  */
2437                                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2438                                     fcport->login_retry) {
2439
2440                                         if (fcport->flags & FCF_FABRIC_DEVICE) {
2441                                                 if (fcport->flags &
2442                                                     FCF_TAPE_PRESENT)
2443                                                         ha->isp_ops->fabric_logout(
2444                                                             ha, fcport->loop_id,
2445                                                             fcport->d_id.b.domain,
2446                                                             fcport->d_id.b.area,
2447                                                             fcport->d_id.b.al_pa);
2448                                                 status = qla2x00_fabric_login(
2449                                                     ha, fcport, &next_loopid);
2450                                         } else
2451                                                 status =
2452                                                     qla2x00_local_device_login(
2453                                                         ha, fcport);
2454
2455                                         fcport->login_retry--;
2456                                         if (status == QLA_SUCCESS) {
2457                                                 fcport->old_loop_id = fcport->loop_id;
2458
2459                                                 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2460                                                     ha->host_no, fcport->loop_id));
2461
2462                                                 qla2x00_update_fcport(ha,
2463                                                     fcport);
2464                                         } else if (status == 1) {
2465                                                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2466                                                 /* retry the login again */
2467                                                 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2468                                                     ha->host_no,
2469                                                     fcport->login_retry, fcport->loop_id));
2470                                         } else {
2471                                                 fcport->login_retry = 0;
2472                                         }
2473                                         if (fcport->login_retry == 0)
2474                                                 fcport->loop_id = FC_NO_LOOP_ID;
2475                                 }
2476                                 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2477                                         break;
2478                         }
2479                         DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2480                             ha->host_no));
2481                 }
2482
2483                 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2484                     atomic_read(&ha->loop_state) != LOOP_DOWN) {
2485
2486                         clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2487                         DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2488                             ha->host_no));
2489
2490                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2491
2492                         DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2493                             ha->host_no));
2494                 }
2495
2496                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2497
2498                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2499                             ha->host_no));
2500
2501                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2502                             &ha->dpc_flags))) {
2503
2504                                 rval = qla2x00_loop_resync(ha);
2505
2506                                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2507                         }
2508
2509                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2510                             ha->host_no));
2511                 }
2512
2513                 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2514
2515                         DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2516                             ha->host_no));
2517
2518                         qla2x00_rescan_fcports(ha);
2519
2520                         DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2521                             "end.\n",
2522                             ha->host_no));
2523                 }
2524
2525                 if (!ha->interrupts_on)
2526                         ha->isp_ops->enable_intrs(ha);
2527
2528                 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2529                         ha->isp_ops->beacon_blink(ha);
2530
2531                 qla2x00_do_dpc_all_vps(ha);
2532
2533                 ha->dpc_active = 0;
2534         } /* End of while(1) */
2535
2536         DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2537
2538         /*
2539          * Make sure that nobody tries to wake us up again.
2540          */
2541         ha->dpc_active = 0;
2542
2543         return 0;
2544 }
2545
2546 void
2547 qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2548 {
2549         if (ha->dpc_thread)
2550                 wake_up_process(ha->dpc_thread);
2551 }
2552
2553 /*
2554 *  qla2x00_rst_aen
2555 *      Processes asynchronous reset.
2556 *
2557 * Input:
2558 *      ha  = adapter block pointer.
2559 */
2560 static void
2561 qla2x00_rst_aen(scsi_qla_host_t *ha)
2562 {
2563         if (ha->flags.online && !ha->flags.reset_active &&
2564             !atomic_read(&ha->loop_down_timer) &&
2565             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2566                 do {
2567                         clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2568
2569                         /*
2570                          * Issue marker command only when we are going to start
2571                          * the I/O.
2572                          */
2573                         ha->marker_needed = 1;
2574                 } while (!atomic_read(&ha->loop_down_timer) &&
2575                     (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2576         }
2577 }
2578
2579 static void
2580 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2581 {
2582         struct scsi_cmnd *cmd = sp->cmd;
2583
2584         if (sp->flags & SRB_DMA_VALID) {
2585                 scsi_dma_unmap(cmd);
2586                 sp->flags &= ~SRB_DMA_VALID;
2587         }
2588         CMD_SP(cmd) = NULL;
2589 }
2590
2591 void
2592 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2593 {
2594         struct scsi_cmnd *cmd = sp->cmd;
2595
2596         qla2x00_sp_free_dma(ha, sp);
2597
2598         mempool_free(sp, ha->srb_mempool);
2599
2600         cmd->scsi_done(cmd);
2601 }
2602
2603 /**************************************************************************
2604 *   qla2x00_timer
2605 *
2606 * Description:
2607 *   One second timer
2608 *
2609 * Context: Interrupt
2610 ***************************************************************************/
2611 void
2612 qla2x00_timer(scsi_qla_host_t *ha)
2613 {
2614         unsigned long   cpu_flags = 0;
2615         fc_port_t       *fcport;
2616         int             start_dpc = 0;
2617         int             index;
2618         srb_t           *sp;
2619         int             t;
2620         scsi_qla_host_t *pha = to_qla_parent(ha);
2621
2622         /*
2623          * Ports - Port down timer.
2624          *
2625          * Whenever, a port is in the LOST state we start decrementing its port
2626          * down timer every second until it reaches zero. Once  it reaches zero
2627          * the port it marked DEAD.
2628          */
2629         t = 0;
2630         list_for_each_entry(fcport, &ha->fcports, list) {
2631                 if (fcport->port_type != FCT_TARGET)
2632                         continue;
2633
2634                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2635
2636                         if (atomic_read(&fcport->port_down_timer) == 0)
2637                                 continue;
2638
2639                         if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2640                                 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2641
2642                         DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2643                             "%d remaining\n",
2644                             ha->host_no,
2645                             t, atomic_read(&fcport->port_down_timer)));
2646                 }
2647                 t++;
2648         } /* End of for fcport  */
2649
2650
2651         /* Loop down handler. */
2652         if (atomic_read(&ha->loop_down_timer) > 0 &&
2653             !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2654
2655                 if (atomic_read(&ha->loop_down_timer) ==
2656                     ha->loop_down_abort_time) {
2657
2658                         DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2659                             "queues before time expire\n",
2660                             ha->host_no));
2661
2662                         if (!IS_QLA2100(ha) && ha->link_down_timeout)
2663                                 atomic_set(&ha->loop_state, LOOP_DEAD);
2664
2665                         /* Schedule an ISP abort to return any tape commands. */
2666                         /* NPIV - scan physical port only */
2667                         if (!ha->parent) {
2668                                 spin_lock_irqsave(&ha->hardware_lock,
2669                                     cpu_flags);
2670                                 for (index = 1;
2671                                     index < MAX_OUTSTANDING_COMMANDS;
2672                                     index++) {
2673                                         fc_port_t *sfcp;
2674
2675                                         sp = ha->outstanding_cmds[index];
2676                                         if (!sp)
2677                                                 continue;
2678                                         sfcp = sp->fcport;
2679                                         if (!(sfcp->flags & FCF_TAPE_PRESENT))
2680                                                 continue;
2681
2682                                         set_bit(ISP_ABORT_NEEDED,
2683                                             &ha->dpc_flags);
2684                                         break;
2685                                 }
2686                                 spin_unlock_irqrestore(&ha->hardware_lock,
2687                                     cpu_flags);
2688                         }
2689                         set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2690                         start_dpc++;
2691                 }
2692
2693                 /* if the loop has been down for 4 minutes, reinit adapter */
2694                 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2695                         DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2696                             "restarting queues.\n",
2697                             ha->host_no));
2698
2699                         set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2700                         start_dpc++;
2701
2702                         if (!(ha->device_flags & DFLG_NO_CABLE)) {
2703                                 DEBUG(printk("scsi(%ld): Loop down - "
2704                                     "aborting ISP.\n",
2705                                     ha->host_no));
2706                                 qla_printk(KERN_WARNING, ha,
2707                                     "Loop down - aborting ISP.\n");
2708
2709                                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2710                         }
2711                 }
2712                 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2713                     ha->host_no,
2714                     atomic_read(&ha->loop_down_timer)));
2715         }
2716
2717         /* Check if beacon LED needs to be blinked */
2718         if (ha->beacon_blink_led == 1) {
2719                 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2720                 start_dpc++;
2721         }
2722
2723         /* Schedule the DPC routine if needed */
2724         if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2725             test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2726             test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
2727             test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
2728             start_dpc ||
2729             test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
2730             test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2731             test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2732             test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
2733             test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2734                 qla2xxx_wake_dpc(pha);
2735
2736         qla2x00_restart_timer(ha, WATCH_INTERVAL);
2737 }
2738
2739 /* XXX(hch): crude hack to emulate a down_timeout() */
2740 int
2741 qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout)
2742 {
2743         const unsigned int step = 100; /* msecs */
2744         unsigned int iterations = jiffies_to_msecs(timeout)/100;
2745
2746         do {
2747                 if (!down_trylock(sema))
2748                         return 0;
2749                 if (msleep_interruptible(step))
2750                         break;
2751         } while (--iterations > 0);
2752
2753         return -ETIMEDOUT;
2754 }
2755
2756 /* Firmware interface routines. */
2757
2758 #define FW_BLOBS        6
2759 #define FW_ISP21XX      0
2760 #define FW_ISP22XX      1
2761 #define FW_ISP2300      2
2762 #define FW_ISP2322      3
2763 #define FW_ISP24XX      4
2764 #define FW_ISP25XX      5
2765
2766 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2767 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2768 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2769 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2770 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2771 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2772
2773 static DECLARE_MUTEX(qla_fw_lock);
2774
2775 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2776         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2777         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2778         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2779         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2780         { .name = FW_FILE_ISP24XX, },
2781         { .name = FW_FILE_ISP25XX, },
2782 };
2783
2784 struct fw_blob *
2785 qla2x00_request_firmware(scsi_qla_host_t *ha)
2786 {
2787         struct fw_blob *blob;
2788
2789         blob = NULL;
2790         if (IS_QLA2100(ha)) {
2791                 blob = &qla_fw_blobs[FW_ISP21XX];
2792         } else if (IS_QLA2200(ha)) {
2793                 blob = &qla_fw_blobs[FW_ISP22XX];
2794         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2795                 blob = &qla_fw_blobs[FW_ISP2300];
2796         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2797                 blob = &qla_fw_blobs[FW_ISP2322];
2798         } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
2799                 blob = &qla_fw_blobs[FW_ISP24XX];
2800         } else if (IS_QLA25XX(ha)) {
2801                 blob = &qla_fw_blobs[FW_ISP25XX];
2802         }
2803
2804         down(&qla_fw_lock);
2805         if (blob->fw)
2806                 goto out;
2807
2808         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2809                 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2810                     "(%s).\n", ha->host_no, blob->name));
2811                 blob->fw = NULL;
2812                 blob = NULL;
2813                 goto out;
2814         }
2815
2816 out:
2817         up(&qla_fw_lock);
2818         return blob;
2819 }
2820
2821 static void
2822 qla2x00_release_firmware(void)
2823 {
2824         int idx;
2825
2826         down(&qla_fw_lock);
2827         for (idx = 0; idx < FW_BLOBS; idx++)
2828                 if (qla_fw_blobs[idx].fw)
2829                         release_firmware(qla_fw_blobs[idx].fw);
2830         up(&qla_fw_lock);
2831 }
2832
2833 static pci_ers_result_t
2834 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2835 {
2836         switch (state) {
2837         case pci_channel_io_normal:
2838                 return PCI_ERS_RESULT_CAN_RECOVER;
2839         case pci_channel_io_frozen:
2840                 pci_disable_device(pdev);
2841                 return PCI_ERS_RESULT_NEED_RESET;
2842         case pci_channel_io_perm_failure:
2843                 qla2x00_remove_one(pdev);
2844                 return PCI_ERS_RESULT_DISCONNECT;
2845         }
2846         return PCI_ERS_RESULT_NEED_RESET;
2847 }
2848
2849 static pci_ers_result_t
2850 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2851 {
2852         int risc_paused = 0;
2853         uint32_t stat;
2854         unsigned long flags;
2855         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2856         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2857         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2858
2859         spin_lock_irqsave(&ha->hardware_lock, flags);
2860         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2861                 stat = RD_REG_DWORD(&reg->hccr);
2862                 if (stat & HCCR_RISC_PAUSE)
2863                         risc_paused = 1;
2864         } else if (IS_QLA23XX(ha)) {
2865                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2866                 if (stat & HSR_RISC_PAUSED)
2867                         risc_paused = 1;
2868         } else if (IS_FWI2_CAPABLE(ha)) {
2869                 stat = RD_REG_DWORD(&reg24->host_status);
2870                 if (stat & HSRX_RISC_PAUSED)
2871                         risc_paused = 1;
2872         }
2873         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2874
2875         if (risc_paused) {
2876                 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2877                     "Dumping firmware!\n");
2878                 ha->isp_ops->fw_dump(ha, 0);
2879
2880                 return PCI_ERS_RESULT_NEED_RESET;
2881         } else
2882                 return PCI_ERS_RESULT_RECOVERED;
2883 }
2884
2885 static pci_ers_result_t
2886 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2887 {
2888         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2889         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2890
2891         if (pci_enable_device(pdev)) {
2892                 qla_printk(KERN_WARNING, ha,
2893                     "Can't re-enable PCI device after reset.\n");
2894
2895                 return ret;
2896         }
2897         pci_set_master(pdev);
2898
2899         if (ha->isp_ops->pci_config(ha))
2900                 return ret;
2901
2902         set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2903         if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
2904                 ret =  PCI_ERS_RESULT_RECOVERED;
2905         clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2906
2907         return ret;
2908 }
2909
2910 static void
2911 qla2xxx_pci_resume(struct pci_dev *pdev)
2912 {
2913         scsi_qla_host_t *ha = pci_get_drvdata(pdev);
2914         int ret;
2915
2916         ret = qla2x00_wait_for_hba_online(ha);
2917         if (ret != QLA_SUCCESS) {
2918                 qla_printk(KERN_ERR, ha,
2919                     "the device failed to resume I/O "
2920                     "from slot/link_reset");
2921         }
2922         pci_cleanup_aer_uncorrect_error_status(pdev);
2923 }
2924
2925 static struct pci_error_handlers qla2xxx_err_handler = {
2926         .error_detected = qla2xxx_pci_error_detected,
2927         .mmio_enabled = qla2xxx_pci_mmio_enabled,
2928         .slot_reset = qla2xxx_pci_slot_reset,
2929         .resume = qla2xxx_pci_resume,
2930 };
2931
2932 static struct pci_device_id qla2xxx_pci_tbl[] = {
2933         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2934         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2935         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2936         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2937         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2938         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2939         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2940         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2941         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2942         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2943         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
2944         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
2945         { 0 },
2946 };
2947 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2948
2949 static struct pci_driver qla2xxx_pci_driver = {
2950         .name           = QLA2XXX_DRIVER_NAME,
2951         .driver         = {
2952                 .owner          = THIS_MODULE,
2953         },
2954         .id_table       = qla2xxx_pci_tbl,
2955         .probe          = qla2x00_probe_one,
2956         .remove         = __devexit_p(qla2x00_remove_one),
2957         .err_handler    = &qla2xxx_err_handler,
2958 };
2959
2960 /**
2961  * qla2x00_module_init - Module initialization.
2962  **/
2963 static int __init
2964 qla2x00_module_init(void)
2965 {
2966         int ret = 0;
2967
2968         /* Allocate cache for SRBs. */
2969         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2970             SLAB_HWCACHE_ALIGN, NULL);
2971         if (srb_cachep == NULL) {
2972                 printk(KERN_ERR
2973                     "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2974                 return -ENOMEM;
2975         }
2976
2977         /* Derive version string. */
2978         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2979         if (ql2xextended_error_logging)
2980                 strcat(qla2x00_version_str, "-debug");
2981
2982         qla2xxx_transport_template =
2983             fc_attach_transport(&qla2xxx_transport_functions);
2984         if (!qla2xxx_transport_template) {
2985                 kmem_cache_destroy(srb_cachep);
2986                 return -ENODEV;
2987         }
2988         qla2xxx_transport_vport_template =
2989             fc_attach_transport(&qla2xxx_transport_vport_functions);
2990         if (!qla2xxx_transport_vport_template) {
2991                 kmem_cache_destroy(srb_cachep);
2992                 fc_release_transport(qla2xxx_transport_template);
2993                 return -ENODEV;
2994         }
2995
2996         printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
2997         ret = pci_register_driver(&qla2xxx_pci_driver);
2998         if (ret) {
2999                 kmem_cache_destroy(srb_cachep);
3000                 fc_release_transport(qla2xxx_transport_template);
3001                 fc_release_transport(qla2xxx_transport_vport_template);
3002         }
3003         return ret;
3004 }
3005
3006 /**
3007  * qla2x00_module_exit - Module cleanup.
3008  **/
3009 static void __exit
3010 qla2x00_module_exit(void)
3011 {
3012         pci_unregister_driver(&qla2xxx_pci_driver);
3013         qla2x00_release_firmware();
3014         kmem_cache_destroy(srb_cachep);
3015         fc_release_transport(qla2xxx_transport_template);
3016         fc_release_transport(qla2xxx_transport_vport_template);
3017 }
3018
3019 module_init(qla2x00_module_init);
3020 module_exit(qla2x00_module_exit);
3021
3022 MODULE_AUTHOR("QLogic Corporation");
3023 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3024 MODULE_LICENSE("GPL");
3025 MODULE_VERSION(QLA2XXX_VERSION);
3026 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3027 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3028 MODULE_FIRMWARE(FW_FILE_ISP2300);
3029 MODULE_FIRMWARE(FW_FILE_ISP2322);
3030 MODULE_FIRMWARE(FW_FILE_ISP24XX);