drivers/scsi/qla2xxx/qla_os.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2008 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8
   9 #include <linux/moduleparam.h>
  10 #include <linux/vmalloc.h>
  11 #include <linux/delay.h>
  12 #include <linux/kthread.h>
  13 #include <linux/mutex.h>
  14
  15 #include <scsi/scsi_tcq.h>
  16 #include <scsi/scsicam.h>
  17 #include <scsi/scsi_transport.h>
  18 #include <scsi/scsi_transport_fc.h>
  19
  20 /*
  21  * Driver version
  22  */
  23 char qla2x00_version_str[40];
  24
  25 /*
  26  * SRB allocation cache
  27  */
  28 static struct kmem_cache *srb_cachep;
  29
  30 int ql2xlogintimeout = 20;
  31 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
  32 MODULE_PARM_DESC(ql2xlogintimeout,
  33                 "Login timeout value in seconds.");
  34
  35 int qlport_down_retry;
  36 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
  37 MODULE_PARM_DESC(qlport_down_retry,
  38                 "Maximum number of command retries to a port that returns "
  39                 "a PORT-DOWN status.");
  40
  41 int ql2xplogiabsentdevice;
  42 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
  43 MODULE_PARM_DESC(ql2xplogiabsentdevice,
  44                 "Option to enable PLOGI to devices that are not present after "
  45                 "a Fabric scan.  This is needed for several broken switches. "
  46                 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
  47
  48 int ql2xloginretrycount = 0;
  49 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
  50 MODULE_PARM_DESC(ql2xloginretrycount,
  51                 "Specify an alternate value for the NVRAM login retry count.");
  52
  53 int ql2xallocfwdump = 1;
  54 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
  55 MODULE_PARM_DESC(ql2xallocfwdump,
  56                 "Option to enable allocation of memory for a firmware dump "
  57                 "during HBA initialization.  Memory allocation requirements "
  58                 "vary by ISP type.  Default is 1 - allocate memory.");
  59
  60 int ql2xextended_error_logging;
  61 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  62 MODULE_PARM_DESC(ql2xextended_error_logging,
  63                 "Option to enable extended error logging, "
  64                 "Default is 0 - no logging. 1 - log errors.");
  65
  66 static void qla2x00_free_device(scsi_qla_host_t *);
  67
  68 static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
  69
  70 int ql2xfdmienable=1;
  71 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
  72 MODULE_PARM_DESC(ql2xfdmienable,
  73                 "Enables FDMI registratons "
  74                 "Default is 0 - no FDMI. 1 - perfom FDMI.");
  75
  76 #define MAX_Q_DEPTH    32
  77 static int ql2xmaxqdepth = MAX_Q_DEPTH;
  78 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
  79 MODULE_PARM_DESC(ql2xmaxqdepth,
  80                 "Maximum queue depth to report for target devices.");
  81
  82 int ql2xqfullrampup = 120;
  83 module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR);
  84 MODULE_PARM_DESC(ql2xqfullrampup,
  85                 "Number of seconds to wait to begin to ramp-up the queue "
  86                 "depth for a device after a queue-full condition has been "
  87                 "detected.  Default is 120 seconds.");
  88
  89 int ql2xiidmaenable=1;
  90 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
  91 MODULE_PARM_DESC(ql2xiidmaenable,
  92                 "Enables iIDMA settings "
  93                 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
  94
  95
  96 /*
  97  * SCSI host template entry points
  98  */
  99 static int qla2xxx_slave_configure(struct scsi_device * device);
 100 static int qla2xxx_slave_alloc(struct scsi_device *);
 101 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
 102 static void qla2xxx_scan_start(struct Scsi_Host *);
 103 static void qla2xxx_slave_destroy(struct scsi_device *);
 104 static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
 105                 void (*fn)(struct scsi_cmnd *));
 106 static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
 107                 void (*fn)(struct scsi_cmnd *));
 108 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 109 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 110 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
 111 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 112 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 113
 114 static int qla2x00_change_queue_depth(struct scsi_device *, int);
 115 static int qla2x00_change_queue_type(struct scsi_device *, int);
 116
 117 static struct scsi_host_template qla2x00_driver_template = {
 118         .module                 = THIS_MODULE,
 119         .name                   = QLA2XXX_DRIVER_NAME,
 120         .queuecommand           = qla2x00_queuecommand,
 121
 122         .eh_abort_handler       = qla2xxx_eh_abort,
 123         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 124         .eh_target_reset_handler = qla2xxx_eh_target_reset,
 125         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 126         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 127
 128         .slave_configure        = qla2xxx_slave_configure,
 129
 130         .slave_alloc            = qla2xxx_slave_alloc,
 131         .slave_destroy          = qla2xxx_slave_destroy,
 132         .scan_finished          = qla2xxx_scan_finished,
 133         .scan_start             = qla2xxx_scan_start,
 134         .change_queue_depth     = qla2x00_change_queue_depth,
 135         .change_queue_type      = qla2x00_change_queue_type,
 136         .this_id                = -1,
 137         .cmd_per_lun            = 3,
 138         .use_clustering         = ENABLE_CLUSTERING,
 139         .sg_tablesize           = SG_ALL,
 140
 141         /*
 142          * The RISC allows for each command to transfer (2^32-1) bytes of data,
 143          * which equates to 0x800000 sectors.
 144          */
 145         .max_sectors            = 0xFFFF,
 146         .shost_attrs            = qla2x00_host_attrs,
 147 };
 148
 149 struct scsi_host_template qla24xx_driver_template = {
 150         .module                 = THIS_MODULE,
 151         .name                   = QLA2XXX_DRIVER_NAME,
 152         .queuecommand           = qla24xx_queuecommand,
 153
 154         .eh_abort_handler       = qla2xxx_eh_abort,
 155         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 156         .eh_target_reset_handler = qla2xxx_eh_target_reset,
 157         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 158         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 159
 160         .slave_configure        = qla2xxx_slave_configure,
 161
 162         .slave_alloc            = qla2xxx_slave_alloc,
 163         .slave_destroy          = qla2xxx_slave_destroy,
 164         .scan_finished          = qla2xxx_scan_finished,
 165         .scan_start             = qla2xxx_scan_start,
 166         .change_queue_depth     = qla2x00_change_queue_depth,
 167         .change_queue_type      = qla2x00_change_queue_type,
 168         .this_id                = -1,
 169         .cmd_per_lun            = 3,
 170         .use_clustering         = ENABLE_CLUSTERING,
 171         .sg_tablesize           = SG_ALL,
 172
 173         .max_sectors            = 0xFFFF,
 174         .shost_attrs            = qla2x00_host_attrs,
 175 };
 176
 177 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 178 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 179
 180 /* TODO Convert to inlines
 181  *
 182  * Timer routines
 183  */
 184
 185 __inline__ void
 186 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
 187 {
 188         init_timer(&vha->timer);
 189         vha->timer.expires = jiffies + interval * HZ;
 190         vha->timer.data = (unsigned long)vha;
 191         vha->timer.function = (void (*)(unsigned long))func;
 192         add_timer(&vha->timer);
 193         vha->timer_active = 1;
 194 }
 195
 196 static inline void
 197 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
 198 {
 199         mod_timer(&vha->timer, jiffies + interval * HZ);
 200 }
 201
 202 static __inline__ void
 203 qla2x00_stop_timer(scsi_qla_host_t *vha)
 204 {
 205         del_timer_sync(&vha->timer);
 206         vha->timer_active = 0;
 207 }
 208
 209 static int qla2x00_do_dpc(void *data);
 210
 211 static void qla2x00_rst_aen(scsi_qla_host_t *);
 212
 213 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t);
 214 static void qla2x00_mem_free(struct qla_hw_data *);
 215 static void qla2x00_sp_free_dma(srb_t *);
 216
 217 /* -------------------------------------------------------------------------- */
 218 static char *
 219 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
 220 {
 221         struct qla_hw_data *ha = vha->hw;
 222         static char *pci_bus_modes[] = {
 223                 "33", "66", "100", "133",
 224         };
 225         uint16_t pci_bus;
 226
 227         strcpy(str, "PCI");
 228         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 229         if (pci_bus) {
 230                 strcat(str, "-X (");
 231                 strcat(str, pci_bus_modes[pci_bus]);
 232         } else {
 233                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 234                 strcat(str, " (");
 235                 strcat(str, pci_bus_modes[pci_bus]);
 236         }
 237         strcat(str, " MHz)");
 238
 239         return (str);
 240 }
 241
 242 static char *
 243 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
 244 {
 245         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 246         struct qla_hw_data *ha = vha->hw;
 247         uint32_t pci_bus;
 248         int pcie_reg;
 249
 250         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 251         if (pcie_reg) {
 252                 char lwstr[6];
 253                 uint16_t pcie_lstat, lspeed, lwidth;
 254
 255                 pcie_reg += 0x12;
 256                 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 257                 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 258                 lwidth = (pcie_lstat &
 259                     (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 260
 261                 strcpy(str, "PCIe (");
 262                 if (lspeed == 1)
 263                         strcat(str, "2.5GT/s ");
 264                 else if (lspeed == 2)
 265                         strcat(str, "5.0GT/s ");
 266                 else
 267                         strcat(str, "<unknown> ");
 268                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 269                 strcat(str, lwstr);
 270
 271                 return str;
 272         }
 273
 274         strcpy(str, "PCI");
 275         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 276         if (pci_bus == 0 || pci_bus == 8) {
 277                 strcat(str, " (");
 278                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 279         } else {
 280                 strcat(str, "-X ");
 281                 if (pci_bus & BIT_2)
 282                         strcat(str, "Mode 2");
 283                 else
 284                         strcat(str, "Mode 1");
 285                 strcat(str, " (");
 286                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 287         }
 288         strcat(str, " MHz)");
 289
 290         return str;
 291 }
 292
 293 static char *
 294 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
 295 {
 296         char un_str[10];
 297         struct qla_hw_data *ha = vha->hw;
 298
 299         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 300             ha->fw_minor_version,
 301             ha->fw_subminor_version);
 302
 303         if (ha->fw_attributes & BIT_9) {
 304                 strcat(str, "FLX");
 305                 return (str);
 306         }
 307
 308         switch (ha->fw_attributes & 0xFF) {
 309         case 0x7:
 310                 strcat(str, "EF");
 311                 break;
 312         case 0x17:
 313                 strcat(str, "TP");
 314                 break;
 315         case 0x37:
 316                 strcat(str, "IP");
 317                 break;
 318         case 0x77:
 319                 strcat(str, "VI");
 320                 break;
 321         default:
 322                 sprintf(un_str, "(%x)", ha->fw_attributes);
 323                 strcat(str, un_str);
 324                 break;
 325         }
 326         if (ha->fw_attributes & 0x100)
 327                 strcat(str, "X");
 328
 329         return (str);
 330 }
 331
 332 static char *
 333 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
 334 {
 335         struct qla_hw_data *ha = vha->hw;
 336         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 337             ha->fw_minor_version,
 338             ha->fw_subminor_version);
 339
 340         if (ha->fw_attributes & BIT_0)
 341                 strcat(str, "[Class 2] ");
 342         if (ha->fw_attributes & BIT_1)
 343                 strcat(str, "[IP] ");
 344         if (ha->fw_attributes & BIT_2)
 345                 strcat(str, "[Multi-ID] ");
 346         if (ha->fw_attributes & BIT_3)
 347                 strcat(str, "[SB-2] ");
 348         if (ha->fw_attributes & BIT_4)
 349                 strcat(str, "[T10 CRC] ");
 350         if (ha->fw_attributes & BIT_5)
 351                 strcat(str, "[VI] ");
 352         if (ha->fw_attributes & BIT_10)
 353                 strcat(str, "[84XX] ");
 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 *vha, fc_port_t *fcport,
 361     struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 362 {
 363         srb_t *sp;
 364         struct qla_hw_data *ha = vha->hw;
 365
 366         sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
 367         if (!sp)
 368                 return sp;
 369
 370         sp->vha = vha;
 371         sp->fcport = fcport;
 372         sp->cmd = cmd;
 373         sp->flags = 0;
 374         CMD_SP(cmd) = (void *)sp;
 375         cmd->scsi_done = done;
 376
 377         return sp;
 378 }
 379
 380 static int
 381 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 382 {
 383         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 384         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 385         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 386         struct qla_hw_data *ha = vha->hw;
 387         srb_t *sp;
 388         int rval;
 389
 390         if (unlikely(pci_channel_offline(ha->pdev))) {
 391                 cmd->result = DID_REQUEUE << 16;
 392                 goto qc_fail_command;
 393         }
 394
 395         rval = fc_remote_port_chkready(rport);
 396         if (rval) {
 397                 cmd->result = rval;
 398                 goto qc_fail_command;
 399         }
 400
 401         /* Close window on fcport/rport state-transitioning. */
 402         if (fcport->drport)
 403                 goto qc_target_busy;
 404
 405         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 406                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 407                     atomic_read(&vha->loop_state) == LOOP_DEAD) {
 408                         cmd->result = DID_NO_CONNECT << 16;
 409                         goto qc_fail_command;
 410                 }
 411                 goto qc_target_busy;
 412         }
 413
 414         spin_unlock_irq(vha->host->host_lock);
 415
 416         sp = qla2x00_get_new_sp(vha, fcport, cmd, done);
 417         if (!sp)
 418                 goto qc_host_busy_lock;
 419
 420         rval = ha->isp_ops->start_scsi(sp);
 421         if (rval != QLA_SUCCESS)
 422                 goto qc_host_busy_free_sp;
 423
 424         spin_lock_irq(vha->host->host_lock);
 425
 426         return 0;
 427
 428 qc_host_busy_free_sp:
 429         qla2x00_sp_free_dma(sp);
 430         mempool_free(sp, ha->srb_mempool);
 431
 432 qc_host_busy_lock:
 433         spin_lock_irq(vha->host->host_lock);
 434         return SCSI_MLQUEUE_HOST_BUSY;
 435
 436 qc_target_busy:
 437         return SCSI_MLQUEUE_TARGET_BUSY;
 438
 439 qc_fail_command:
 440         done(cmd);
 441
 442         return 0;
 443 }
 444
 445
 446 static int
 447 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 448 {
 449         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 450         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 451         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 452         struct qla_hw_data *ha = vha->hw;
 453         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 454         srb_t *sp;
 455         int rval;
 456
 457         if (unlikely(pci_channel_offline(ha->pdev))) {
 458                 cmd->result = DID_REQUEUE << 16;
 459                 goto qc24_fail_command;
 460         }
 461
 462         rval = fc_remote_port_chkready(rport);
 463         if (rval) {
 464                 cmd->result = rval;
 465                 goto qc24_fail_command;
 466         }
 467
 468         /* Close window on fcport/rport state-transitioning. */
 469         if (fcport->drport)
 470                 goto qc24_target_busy;
 471
 472         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 473                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 474                     atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 475                         cmd->result = DID_NO_CONNECT << 16;
 476                         goto qc24_fail_command;
 477                 }
 478                 goto qc24_target_busy;
 479         }
 480
 481         spin_unlock_irq(vha->host->host_lock);
 482
 483         sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
 484         if (!sp)
 485                 goto qc24_host_busy_lock;
 486
 487         rval = ha->isp_ops->start_scsi(sp);
 488         if (rval != QLA_SUCCESS)
 489                 goto qc24_host_busy_free_sp;
 490
 491         spin_lock_irq(vha->host->host_lock);
 492
 493         return 0;
 494
 495 qc24_host_busy_free_sp:
 496         qla2x00_sp_free_dma(sp);
 497         mempool_free(sp, ha->srb_mempool);
 498
 499 qc24_host_busy_lock:
 500         spin_lock_irq(vha->host->host_lock);
 501         return SCSI_MLQUEUE_HOST_BUSY;
 502
 503 qc24_target_busy:
 504         return SCSI_MLQUEUE_TARGET_BUSY;
 505
 506 qc24_fail_command:
 507         done(cmd);
 508
 509         return 0;
 510 }
 511
 512
 513 /*
 514  * qla2x00_eh_wait_on_command
 515  *    Waits for the command to be returned by the Firmware for some
 516  *    max time.
 517  *
 518  * Input:
 519  *    cmd = Scsi Command to wait on.
 520  *
 521  * Return:
 522  *    Not Found : 0
 523  *    Found : 1
 524  */
 525 static int
 526 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
 527 {
 528 #define ABORT_POLLING_PERIOD    1000
 529 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 530         unsigned long wait_iter = ABORT_WAIT_ITER;
 531         int ret = QLA_SUCCESS;
 532
 533         while (CMD_SP(cmd)) {
 534                 msleep(ABORT_POLLING_PERIOD);
 535
 536                 if (--wait_iter)
 537                         break;
 538         }
 539         if (CMD_SP(cmd))
 540                 ret = QLA_FUNCTION_FAILED;
 541
 542         return ret;
 543 }
 544
 545 /*
 546  * qla2x00_wait_for_hba_online
 547  *    Wait till the HBA is online after going through
 548  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 549  *    finally HBA is disabled ie marked offline
 550  *
 551  * Input:
 552  *     ha - pointer to host adapter structure
 553  *
 554  * Note:
 555  *    Does context switching-Release SPIN_LOCK
 556  *    (if any) before calling this routine.
 557  *
 558  * Return:
 559  *    Success (Adapter is online) : 0
 560  *    Failed  (Adapter is offline/disabled) : 1
 561  */
 562 int
 563 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
 564 {
 565         int             return_status;
 566         unsigned long   wait_online;
 567         struct qla_hw_data *ha = vha->hw;
 568         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 569
 570         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 571         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 572             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 573             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 574             ha->dpc_active) && time_before(jiffies, wait_online)) {
 575
 576                 msleep(1000);
 577         }
 578         if (base_vha->flags.online)
 579                 return_status = QLA_SUCCESS;
 580         else
 581                 return_status = QLA_FUNCTION_FAILED;
 582
 583         return (return_status);
 584 }
 585
 586 /*
 587  * qla2x00_wait_for_loop_ready
 588  *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 589  *    to be in LOOP_READY state.
 590  * Input:
 591  *     ha - pointer to host adapter structure
 592  *
 593  * Note:
 594  *    Does context switching-Release SPIN_LOCK
 595  *    (if any) before calling this routine.
 596  *
 597  *
 598  * Return:
 599  *    Success (LOOP_READY) : 0
 600  *    Failed  (LOOP_NOT_READY) : 1
 601  */
 602 static inline int
 603 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
 604 {
 605         int      return_status = QLA_SUCCESS;
 606         unsigned long loop_timeout ;
 607         struct qla_hw_data *ha = vha->hw;
 608         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 609
 610         /* wait for 5 min at the max for loop to be ready */
 611         loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 612
 613         while ((!atomic_read(&base_vha->loop_down_timer) &&
 614             atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
 615             atomic_read(&base_vha->loop_state) != LOOP_READY) {
 616                 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 617                         return_status = QLA_FUNCTION_FAILED;
 618                         break;
 619                 }
 620                 msleep(1000);
 621                 if (time_after_eq(jiffies, loop_timeout)) {
 622                         return_status = QLA_FUNCTION_FAILED;
 623                         break;
 624                 }
 625         }
 626         return (return_status);
 627 }
 628
 629 void
 630 qla2x00_abort_fcport_cmds(fc_port_t *fcport)
 631 {
 632         int cnt;
 633         unsigned long flags;
 634         srb_t *sp;
 635         scsi_qla_host_t *vha = fcport->vha;
 636         struct qla_hw_data *ha = vha->hw;
 637         struct req_que *req = ha->req;
 638
 639         spin_lock_irqsave(&ha->hardware_lock, flags);
 640         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 641                 sp = req->outstanding_cmds[cnt];
 642                 if (!sp)
 643                         continue;
 644                 if (sp->fcport != fcport)
 645                         continue;
 646
 647                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 648                 if (ha->isp_ops->abort_command(vha, sp)) {
 649                         DEBUG2(qla_printk(KERN_WARNING, ha,
 650                             "Abort failed --  %lx\n", sp->cmd->serial_number));
 651                 } else {
 652                         if (qla2x00_eh_wait_on_command(sp->cmd) !=
 653                             QLA_SUCCESS)
 654                                 DEBUG2(qla_printk(KERN_WARNING, ha,
 655                                     "Abort failed while waiting --  %lx\n",
 656                                     sp->cmd->serial_number));
 657
 658                 }
 659                 spin_lock_irqsave(&ha->hardware_lock, flags);
 660         }
 661         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 662 }
 663
 664 static void
 665 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
 666 {
 667         struct Scsi_Host *shost = cmnd->device->host;
 668         struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
 669         unsigned long flags;
 670
 671         spin_lock_irqsave(shost->host_lock, flags);
 672         while (rport->port_state == FC_PORTSTATE_BLOCKED) {
 673                 spin_unlock_irqrestore(shost->host_lock, flags);
 674                 msleep(1000);
 675                 spin_lock_irqsave(shost->host_lock, flags);
 676         }
 677         spin_unlock_irqrestore(shost->host_lock, flags);
 678         return;
 679 }
 680
 681 /**************************************************************************
 682 * qla2xxx_eh_abort
 683 *
 684 * Description:
 685 *    The abort function will abort the specified command.
 686 *
 687 * Input:
 688 *    cmd = Linux SCSI command packet to be aborted.
 689 *
 690 * Returns:
 691 *    Either SUCCESS or FAILED.
 692 *
 693 * Note:
 694 *    Only return FAILED if command not returned by firmware.
 695 **************************************************************************/
 696 static int
 697 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 698 {
 699         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 700         srb_t *sp;
 701         int ret, i;
 702         unsigned int id, lun;
 703         unsigned long serial;
 704         unsigned long flags;
 705         int wait = 0;
 706         struct qla_hw_data *ha = vha->hw;
 707         struct req_que *req = ha->req;
 708
 709         qla2x00_block_error_handler(cmd);
 710
 711         if (!CMD_SP(cmd))
 712                 return SUCCESS;
 713
 714         ret = SUCCESS;
 715
 716         id = cmd->device->id;
 717         lun = cmd->device->lun;
 718         serial = cmd->serial_number;
 719
 720         /* Check active list for command command. */
 721         spin_lock_irqsave(&ha->hardware_lock, flags);
 722         for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
 723                 sp = req->outstanding_cmds[i];
 724
 725                 if (sp == NULL)
 726                         continue;
 727
 728                 if (sp->cmd != cmd)
 729                         continue;
 730
 731                 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
 732                     __func__, vha->host_no, sp, serial));
 733
 734                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 735                 if (ha->isp_ops->abort_command(vha, sp)) {
 736                         DEBUG2(printk("%s(%ld): abort_command "
 737                             "mbx failed.\n", __func__, vha->host_no));
 738                         ret = FAILED;
 739                 } else {
 740                         DEBUG3(printk("%s(%ld): abort_command "
 741                             "mbx success.\n", __func__, vha->host_no));
 742                         wait = 1;
 743                 }
 744                 spin_lock_irqsave(&ha->hardware_lock, flags);
 745
 746                 break;
 747         }
 748         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 749
 750         /* Wait for the command to be returned. */
 751         if (wait) {
 752                 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
 753                         qla_printk(KERN_ERR, ha,
 754                             "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
 755                             "%x.\n", vha->host_no, id, lun, serial, ret);
 756                         ret = FAILED;
 757                 }
 758         }
 759
 760         qla_printk(KERN_INFO, ha,
 761             "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
 762             vha->host_no, id, lun, wait, serial, ret);
 763
 764         return ret;
 765 }
 766
 767 enum nexus_wait_type {
 768         WAIT_HOST = 0,
 769         WAIT_TARGET,
 770         WAIT_LUN,
 771 };
 772
 773 static int
 774 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
 775     unsigned int l, enum nexus_wait_type type)
 776 {
 777         int cnt, match, status;
 778         srb_t *sp;
 779         unsigned long flags;
 780         struct qla_hw_data *ha = vha->hw;
 781         struct req_que *req = ha->req;
 782
 783         status = QLA_SUCCESS;
 784         spin_lock_irqsave(&ha->hardware_lock, flags);
 785         for (cnt = 1; status == QLA_SUCCESS && cnt < MAX_OUTSTANDING_COMMANDS;
 786             cnt++) {
 787                 sp = req->outstanding_cmds[cnt];
 788                 if (!sp)
 789                         continue;
 790
 791                 if (vha->vp_idx != sp->fcport->vha->vp_idx)
 792                         continue;
 793                 match = 0;
 794                 switch (type) {
 795                 case WAIT_HOST:
 796                         match = 1;
 797                         break;
 798                 case WAIT_TARGET:
 799                         match = sp->cmd->device->id == t;
 800                         break;
 801                 case WAIT_LUN:
 802                         match = (sp->cmd->device->id == t &&
 803                             sp->cmd->device->lun == l);
 804                         break;
 805                 }
 806                 if (!match)
 807                         continue;
 808
 809                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 810                 status = qla2x00_eh_wait_on_command(sp->cmd);
 811                 spin_lock_irqsave(&ha->hardware_lock, flags);
 812         }
 813         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 814
 815         return status;
 816 }
 817
 818 static char *reset_errors[] = {
 819         "HBA not online",
 820         "HBA not ready",
 821         "Task management failed",
 822         "Waiting for command completions",
 823 };
 824
 825 static int
 826 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
 827     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
 828 {
 829         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 830         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 831         int err;
 832
 833         qla2x00_block_error_handler(cmd);
 834
 835         if (!fcport)
 836                 return FAILED;
 837
 838         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
 839             vha->host_no, cmd->device->id, cmd->device->lun, name);
 840
 841         err = 0;
 842         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
 843                 goto eh_reset_failed;
 844         err = 1;
 845         if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
 846                 goto eh_reset_failed;
 847         err = 2;
 848         if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
 849                 goto eh_reset_failed;
 850         err = 3;
 851         if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
 852             cmd->device->lun, type) != QLA_SUCCESS)
 853                 goto eh_reset_failed;
 854
 855         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
 856             vha->host_no, cmd->device->id, cmd->device->lun, name);
 857
 858         return SUCCESS;
 859
 860  eh_reset_failed:
 861         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
 862             , vha->host_no, cmd->device->id, cmd->device->lun, name,
 863             reset_errors[err]);
 864         return FAILED;
 865 }
 866
 867 static int
 868 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
 869 {
 870         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 871         struct qla_hw_data *ha = vha->hw;
 872
 873         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
 874             ha->isp_ops->lun_reset);
 875 }
 876
 877 static int
 878 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
 879 {
 880         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 881         struct qla_hw_data *ha = vha->hw;
 882
 883         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
 884             ha->isp_ops->target_reset);
 885 }
 886
 887 /**************************************************************************
 888 * qla2xxx_eh_bus_reset
 889 *
 890 * Description:
 891 *    The bus reset function will reset the bus and abort any executing
 892 *    commands.
 893 *
 894 * Input:
 895 *    cmd = Linux SCSI command packet of the command that cause the
 896 *          bus reset.
 897 *
 898 * Returns:
 899 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 900 *
 901 **************************************************************************/
 902 static int
 903 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 904 {
 905         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 906         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 907         int ret = FAILED;
 908         unsigned int id, lun;
 909         unsigned long serial;
 910
 911         qla2x00_block_error_handler(cmd);
 912
 913         id = cmd->device->id;
 914         lun = cmd->device->lun;
 915         serial = cmd->serial_number;
 916
 917         if (!fcport)
 918                 return ret;
 919
 920         qla_printk(KERN_INFO, vha->hw,
 921             "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", vha->host_no, id, lun);
 922
 923         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 924                 DEBUG2(printk("%s failed:board disabled\n",__func__));
 925                 goto eh_bus_reset_done;
 926         }
 927
 928         if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
 929                 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
 930                         ret = SUCCESS;
 931         }
 932         if (ret == FAILED)
 933                 goto eh_bus_reset_done;
 934
 935         /* Flush outstanding commands. */
 936         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
 937             QLA_SUCCESS)
 938                 ret = FAILED;
 939
 940 eh_bus_reset_done:
 941         qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
 942             (ret == FAILED) ? "failed" : "succeded");
 943
 944         return ret;
 945 }
 946
 947 /**************************************************************************
 948 * qla2xxx_eh_host_reset
 949 *
 950 * Description:
 951 *    The reset function will reset the Adapter.
 952 *
 953 * Input:
 954 *      cmd = Linux SCSI command packet of the command that cause the
 955 *            adapter reset.
 956 *
 957 * Returns:
 958 *      Either SUCCESS or FAILED.
 959 *
 960 * Note:
 961 **************************************************************************/
 962 static int
 963 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 964 {
 965         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 966         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 967         struct qla_hw_data *ha = vha->hw;
 968         int ret = FAILED;
 969         unsigned int id, lun;
 970         unsigned long serial;
 971         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 972
 973         qla2x00_block_error_handler(cmd);
 974
 975         id = cmd->device->id;
 976         lun = cmd->device->lun;
 977         serial = cmd->serial_number;
 978
 979         if (!fcport)
 980                 return ret;
 981
 982         qla_printk(KERN_INFO, ha,
 983             "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
 984
 985         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
 986                 goto eh_host_reset_lock;
 987
 988         /*
 989          * Fixme-may be dpc thread is active and processing
 990          * loop_resync,so wait a while for it to
 991          * be completed and then issue big hammer.Otherwise
 992          * it may cause I/O failure as big hammer marks the
 993          * devices as lost kicking of the port_down_timer
 994          * while dpc is stuck for the mailbox to complete.
 995          */
 996         qla2x00_wait_for_loop_ready(vha);
 997         if (vha != base_vha) {
 998                 if (qla2x00_vp_abort_isp(vha))
 999                         goto eh_host_reset_lock;
1000         } else {
1001                 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1002                 if (qla2x00_abort_isp(base_vha)) {
1003                         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1004                         /* failed. schedule dpc to try */
1005                         set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1006
1007                         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1008                                 goto eh_host_reset_lock;
1009                 }
1010                 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1011         }
1012
1013         /* Waiting for command to be returned to OS.*/
1014         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1015                 QLA_SUCCESS)
1016                 ret = SUCCESS;
1017
1018 eh_host_reset_lock:
1019         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1020             (ret == FAILED) ? "failed" : "succeded");
1021
1022         return ret;
1023 }
1024
1025 /*
1026 * qla2x00_loop_reset
1027 *      Issue loop reset.
1028 *
1029 * Input:
1030 *      ha = adapter block pointer.
1031 *
1032 * Returns:
1033 *      0 = success
1034 */
1035 int
1036 qla2x00_loop_reset(scsi_qla_host_t *vha)
1037 {
1038         int ret;
1039         struct fc_port *fcport;
1040         struct qla_hw_data *ha = vha->hw;
1041
1042         if (ha->flags.enable_lip_full_login) {
1043                 ret = qla2x00_full_login_lip(vha);
1044                 if (ret != QLA_SUCCESS) {
1045                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1046                             "full_login_lip=%d.\n", __func__, vha->host_no,
1047                             ret));
1048                 } else
1049                         qla2x00_wait_for_loop_ready(vha);
1050         }
1051
1052         if (ha->flags.enable_lip_reset) {
1053                 ret = qla2x00_lip_reset(vha);
1054                 if (ret != QLA_SUCCESS) {
1055                         DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1056                             "lip_reset=%d.\n", __func__, vha->host_no, ret));
1057                 } else
1058                         qla2x00_wait_for_loop_ready(vha);
1059         }
1060
1061         if (ha->flags.enable_target_reset) {
1062                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1063                         if (fcport->port_type != FCT_TARGET)
1064                                 continue;
1065
1066                         ret = ha->isp_ops->target_reset(fcport, 0);
1067                         if (ret != QLA_SUCCESS) {
1068                                 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1069                                     "target_reset=%d d_id=%x.\n", __func__,
1070                                     vha->host_no, ret, fcport->d_id.b24));
1071                         }
1072                 }
1073         }
1074
1075         /* Issue marker command only when we are going to start the I/O */
1076         vha->marker_needed = 1;
1077
1078         return QLA_SUCCESS;
1079 }
1080
1081 void
1082 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1083 {
1084         int cnt;
1085         unsigned long flags;
1086         srb_t *sp;
1087         struct qla_hw_data *ha = vha->hw;
1088         struct req_que *req = ha->req;
1089
1090         spin_lock_irqsave(&ha->hardware_lock, flags);
1091         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1092                 sp = req->outstanding_cmds[cnt];
1093                 if (sp) {
1094                         req->outstanding_cmds[cnt] = NULL;
1095                         sp->cmd->result = res;
1096                         qla2x00_sp_compl(vha, sp);
1097                 }
1098         }
1099         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1100 }
1101
1102 static int
1103 qla2xxx_slave_alloc(struct scsi_device *sdev)
1104 {
1105         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1106
1107         if (!rport || fc_remote_port_chkready(rport))
1108                 return -ENXIO;
1109
1110         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1111
1112         return 0;
1113 }
1114
1115 static int
1116 qla2xxx_slave_configure(struct scsi_device *sdev)
1117 {
1118         scsi_qla_host_t *vha = shost_priv(sdev->host);
1119         struct qla_hw_data *ha = vha->hw;
1120         struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1121
1122         if (sdev->tagged_supported)
1123                 scsi_activate_tcq(sdev, ha->req->max_q_depth);
1124         else
1125                 scsi_deactivate_tcq(sdev, ha->req->max_q_depth);
1126
1127         rport->dev_loss_tmo = ha->port_down_retry_count;
1128
1129         return 0;
1130 }
1131
1132 static void
1133 qla2xxx_slave_destroy(struct scsi_device *sdev)
1134 {
1135         sdev->hostdata = NULL;
1136 }
1137
1138 static int
1139 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1140 {
1141         scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1142         return sdev->queue_depth;
1143 }
1144
1145 static int
1146 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1147 {
1148         if (sdev->tagged_supported) {
1149                 scsi_set_tag_type(sdev, tag_type);
1150                 if (tag_type)
1151                         scsi_activate_tcq(sdev, sdev->queue_depth);
1152                 else
1153                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1154         } else
1155                 tag_type = 0;
1156
1157         return tag_type;
1158 }
1159
1160 /**
1161  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1162  * @ha: HA context
1163  *
1164  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1165  * supported addressing method.
1166  */
1167 static void
1168 qla2x00_config_dma_addressing(scsi_qla_host_t *vha)
1169 {
1170         struct qla_hw_data *ha = vha->hw;
1171         /* Assume a 32bit DMA mask. */
1172         ha->flags.enable_64bit_addressing = 0;
1173
1174         if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1175                 /* Any upper-dword bits set? */
1176                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1177                     !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1178                         /* Ok, a 64bit DMA mask is applicable. */
1179                         ha->flags.enable_64bit_addressing = 1;
1180                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1181                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1182                         return;
1183                 }
1184         }
1185
1186         dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1187         pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1188 }
1189
1190 static void
1191 qla2x00_enable_intrs(struct qla_hw_data *ha)
1192 {
1193         unsigned long flags = 0;
1194         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1195
1196         spin_lock_irqsave(&ha->hardware_lock, flags);
1197         ha->interrupts_on = 1;
1198         /* enable risc and host interrupts */
1199         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1200         RD_REG_WORD(&reg->ictrl);
1201         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1202
1203 }
1204
1205 static void
1206 qla2x00_disable_intrs(struct qla_hw_data *ha)
1207 {
1208         unsigned long flags = 0;
1209         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1210
1211         spin_lock_irqsave(&ha->hardware_lock, flags);
1212         ha->interrupts_on = 0;
1213         /* disable risc and host interrupts */
1214         WRT_REG_WORD(&reg->ictrl, 0);
1215         RD_REG_WORD(&reg->ictrl);
1216         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1217 }
1218
1219 static void
1220 qla24xx_enable_intrs(struct qla_hw_data *ha)
1221 {
1222         unsigned long flags = 0;
1223         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1224
1225         spin_lock_irqsave(&ha->hardware_lock, flags);
1226         ha->interrupts_on = 1;
1227         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1228         RD_REG_DWORD(&reg->ictrl);
1229         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1230 }
1231
1232 static void
1233 qla24xx_disable_intrs(struct qla_hw_data *ha)
1234 {
1235         unsigned long flags = 0;
1236         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1237
1238         spin_lock_irqsave(&ha->hardware_lock, flags);
1239         ha->interrupts_on = 0;
1240         WRT_REG_DWORD(&reg->ictrl, 0);
1241         RD_REG_DWORD(&reg->ictrl);
1242         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1243 }
1244
1245 static struct isp_operations qla2100_isp_ops = {
1246         .pci_config             = qla2100_pci_config,
1247         .reset_chip             = qla2x00_reset_chip,
1248         .chip_diag              = qla2x00_chip_diag,
1249         .config_rings           = qla2x00_config_rings,
1250         .reset_adapter          = qla2x00_reset_adapter,
1251         .nvram_config           = qla2x00_nvram_config,
1252         .update_fw_options      = qla2x00_update_fw_options,
1253         .load_risc              = qla2x00_load_risc,
1254         .pci_info_str           = qla2x00_pci_info_str,
1255         .fw_version_str         = qla2x00_fw_version_str,
1256         .intr_handler           = qla2100_intr_handler,
1257         .enable_intrs           = qla2x00_enable_intrs,
1258         .disable_intrs          = qla2x00_disable_intrs,
1259         .abort_command          = qla2x00_abort_command,
1260         .target_reset           = qla2x00_abort_target,
1261         .lun_reset              = qla2x00_lun_reset,
1262         .fabric_login           = qla2x00_login_fabric,
1263         .fabric_logout          = qla2x00_fabric_logout,
1264         .calc_req_entries       = qla2x00_calc_iocbs_32,
1265         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1266         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1267         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1268         .read_nvram             = qla2x00_read_nvram_data,
1269         .write_nvram            = qla2x00_write_nvram_data,
1270         .fw_dump                = qla2100_fw_dump,
1271         .beacon_on              = NULL,
1272         .beacon_off             = NULL,
1273         .beacon_blink           = NULL,
1274         .read_optrom            = qla2x00_read_optrom_data,
1275         .write_optrom           = qla2x00_write_optrom_data,
1276         .get_flash_version      = qla2x00_get_flash_version,
1277         .start_scsi             = qla2x00_start_scsi,
1278 };
1279
1280 static struct isp_operations qla2300_isp_ops = {
1281         .pci_config             = qla2300_pci_config,
1282         .reset_chip             = qla2x00_reset_chip,
1283         .chip_diag              = qla2x00_chip_diag,
1284         .config_rings           = qla2x00_config_rings,
1285         .reset_adapter          = qla2x00_reset_adapter,
1286         .nvram_config           = qla2x00_nvram_config,
1287         .update_fw_options      = qla2x00_update_fw_options,
1288         .load_risc              = qla2x00_load_risc,
1289         .pci_info_str           = qla2x00_pci_info_str,
1290         .fw_version_str         = qla2x00_fw_version_str,
1291         .intr_handler           = qla2300_intr_handler,
1292         .enable_intrs           = qla2x00_enable_intrs,
1293         .disable_intrs          = qla2x00_disable_intrs,
1294         .abort_command          = qla2x00_abort_command,
1295         .target_reset           = qla2x00_abort_target,
1296         .lun_reset              = qla2x00_lun_reset,
1297         .fabric_login           = qla2x00_login_fabric,
1298         .fabric_logout          = qla2x00_fabric_logout,
1299         .calc_req_entries       = qla2x00_calc_iocbs_32,
1300         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1301         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1302         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1303         .read_nvram             = qla2x00_read_nvram_data,
1304         .write_nvram            = qla2x00_write_nvram_data,
1305         .fw_dump                = qla2300_fw_dump,
1306         .beacon_on              = qla2x00_beacon_on,
1307         .beacon_off             = qla2x00_beacon_off,
1308         .beacon_blink           = qla2x00_beacon_blink,
1309         .read_optrom            = qla2x00_read_optrom_data,
1310         .write_optrom           = qla2x00_write_optrom_data,
1311         .get_flash_version      = qla2x00_get_flash_version,
1312         .start_scsi             = qla2x00_start_scsi,
1313 };
1314
1315 static struct isp_operations qla24xx_isp_ops = {
1316         .pci_config             = qla24xx_pci_config,
1317         .reset_chip             = qla24xx_reset_chip,
1318         .chip_diag              = qla24xx_chip_diag,
1319         .config_rings           = qla24xx_config_rings,
1320         .reset_adapter          = qla24xx_reset_adapter,
1321         .nvram_config           = qla24xx_nvram_config,
1322         .update_fw_options      = qla24xx_update_fw_options,
1323         .load_risc              = qla24xx_load_risc,
1324         .pci_info_str           = qla24xx_pci_info_str,
1325         .fw_version_str         = qla24xx_fw_version_str,
1326         .intr_handler           = qla24xx_intr_handler,
1327         .enable_intrs           = qla24xx_enable_intrs,
1328         .disable_intrs          = qla24xx_disable_intrs,
1329         .abort_command          = qla24xx_abort_command,
1330         .target_reset           = qla24xx_abort_target,
1331         .lun_reset              = qla24xx_lun_reset,
1332         .fabric_login           = qla24xx_login_fabric,
1333         .fabric_logout          = qla24xx_fabric_logout,
1334         .calc_req_entries       = NULL,
1335         .build_iocbs            = NULL,
1336         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1337         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1338         .read_nvram             = qla24xx_read_nvram_data,
1339         .write_nvram            = qla24xx_write_nvram_data,
1340         .fw_dump                = qla24xx_fw_dump,
1341         .beacon_on              = qla24xx_beacon_on,
1342         .beacon_off             = qla24xx_beacon_off,
1343         .beacon_blink           = qla24xx_beacon_blink,
1344         .read_optrom            = qla24xx_read_optrom_data,
1345         .write_optrom           = qla24xx_write_optrom_data,
1346         .get_flash_version      = qla24xx_get_flash_version,
1347         .start_scsi             = qla24xx_start_scsi,
1348 };
1349
1350 static struct isp_operations qla25xx_isp_ops = {
1351         .pci_config             = qla25xx_pci_config,
1352         .reset_chip             = qla24xx_reset_chip,
1353         .chip_diag              = qla24xx_chip_diag,
1354         .config_rings           = qla24xx_config_rings,
1355         .reset_adapter          = qla24xx_reset_adapter,
1356         .nvram_config           = qla24xx_nvram_config,
1357         .update_fw_options      = qla24xx_update_fw_options,
1358         .load_risc              = qla24xx_load_risc,
1359         .pci_info_str           = qla24xx_pci_info_str,
1360         .fw_version_str         = qla24xx_fw_version_str,
1361         .intr_handler           = qla24xx_intr_handler,
1362         .enable_intrs           = qla24xx_enable_intrs,
1363         .disable_intrs          = qla24xx_disable_intrs,
1364         .abort_command          = qla24xx_abort_command,
1365         .target_reset           = qla24xx_abort_target,
1366         .lun_reset              = qla24xx_lun_reset,
1367         .fabric_login           = qla24xx_login_fabric,
1368         .fabric_logout          = qla24xx_fabric_logout,
1369         .calc_req_entries       = NULL,
1370         .build_iocbs            = NULL,
1371         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1372         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1373         .read_nvram             = qla25xx_read_nvram_data,
1374         .write_nvram            = qla25xx_write_nvram_data,
1375         .fw_dump                = qla25xx_fw_dump,
1376         .beacon_on              = qla24xx_beacon_on,
1377         .beacon_off             = qla24xx_beacon_off,
1378         .beacon_blink           = qla24xx_beacon_blink,
1379         .read_optrom            = qla25xx_read_optrom_data,
1380         .write_optrom           = qla24xx_write_optrom_data,
1381         .get_flash_version      = qla24xx_get_flash_version,
1382         .start_scsi             = qla24xx_start_scsi,
1383 };
1384
1385 static inline void
1386 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1387 {
1388         ha->device_type = DT_EXTENDED_IDS;
1389         switch (ha->pdev->device) {
1390         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1391                 ha->device_type |= DT_ISP2100;
1392                 ha->device_type &= ~DT_EXTENDED_IDS;
1393                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1394                 break;
1395         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1396                 ha->device_type |= DT_ISP2200;
1397                 ha->device_type &= ~DT_EXTENDED_IDS;
1398                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1399                 break;
1400         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1401                 ha->device_type |= DT_ISP2300;
1402                 ha->device_type |= DT_ZIO_SUPPORTED;
1403                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1404                 break;
1405         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1406                 ha->device_type |= DT_ISP2312;
1407                 ha->device_type |= DT_ZIO_SUPPORTED;
1408                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1409                 break;
1410         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1411                 ha->device_type |= DT_ISP2322;
1412                 ha->device_type |= DT_ZIO_SUPPORTED;
1413                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1414                     ha->pdev->subsystem_device == 0x0170)
1415                         ha->device_type |= DT_OEM_001;
1416                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1417                 break;
1418         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1419                 ha->device_type |= DT_ISP6312;
1420                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1421                 break;
1422         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1423                 ha->device_type |= DT_ISP6322;
1424                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1425                 break;
1426         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1427                 ha->device_type |= DT_ISP2422;
1428                 ha->device_type |= DT_ZIO_SUPPORTED;
1429                 ha->device_type |= DT_FWI2;
1430                 ha->device_type |= DT_IIDMA;
1431                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1432                 break;
1433         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1434                 ha->device_type |= DT_ISP2432;
1435                 ha->device_type |= DT_ZIO_SUPPORTED;
1436                 ha->device_type |= DT_FWI2;
1437                 ha->device_type |= DT_IIDMA;
1438                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1439                 break;
1440         case PCI_DEVICE_ID_QLOGIC_ISP8432:
1441                 ha->device_type |= DT_ISP8432;
1442                 ha->device_type |= DT_ZIO_SUPPORTED;
1443                 ha->device_type |= DT_FWI2;
1444                 ha->device_type |= DT_IIDMA;
1445                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1446                 break;
1447         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1448                 ha->device_type |= DT_ISP5422;
1449                 ha->device_type |= DT_FWI2;
1450                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1451                 break;
1452         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1453                 ha->device_type |= DT_ISP5432;
1454                 ha->device_type |= DT_FWI2;
1455                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1456                 break;
1457         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1458                 ha->device_type |= DT_ISP2532;
1459                 ha->device_type |= DT_ZIO_SUPPORTED;
1460                 ha->device_type |= DT_FWI2;
1461                 ha->device_type |= DT_IIDMA;
1462                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1463                 break;
1464         }
1465 }
1466
1467 static int
1468 qla2x00_iospace_config(struct qla_hw_data *ha)
1469 {
1470         resource_size_t pio;
1471
1472         if (pci_request_selected_regions(ha->pdev, ha->bars,
1473             QLA2XXX_DRIVER_NAME)) {
1474                 qla_printk(KERN_WARNING, ha,
1475                     "Failed to reserve PIO/MMIO regions (%s)\n",
1476                     pci_name(ha->pdev));
1477
1478                 goto iospace_error_exit;
1479         }
1480         if (!(ha->bars & 1))
1481                 goto skip_pio;
1482
1483         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1484         pio = pci_resource_start(ha->pdev, 0);
1485         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1486                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1487                         qla_printk(KERN_WARNING, ha,
1488                             "Invalid PCI I/O region size (%s)...\n",
1489                                 pci_name(ha->pdev));
1490                         pio = 0;
1491                 }
1492         } else {
1493                 qla_printk(KERN_WARNING, ha,
1494                     "region #0 not a PIO resource (%s)...\n",
1495                     pci_name(ha->pdev));
1496                 pio = 0;
1497         }
1498         ha->pio_address = pio;
1499
1500 skip_pio:
1501         /* Use MMIO operations for all accesses. */
1502         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1503                 qla_printk(KERN_ERR, ha,
1504                     "region #1 not an MMIO resource (%s), aborting\n",
1505                     pci_name(ha->pdev));
1506                 goto iospace_error_exit;
1507         }
1508         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1509                 qla_printk(KERN_ERR, ha,
1510                     "Invalid PCI mem region size (%s), aborting\n",
1511                         pci_name(ha->pdev));
1512                 goto iospace_error_exit;
1513         }
1514
1515         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1516         if (!ha->iobase) {
1517                 qla_printk(KERN_ERR, ha,
1518                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1519
1520                 goto iospace_error_exit;
1521         }
1522
1523         return (0);
1524
1525 iospace_error_exit:
1526         return (-ENOMEM);
1527 }
1528
1529 static void
1530 qla2xxx_scan_start(struct Scsi_Host *shost)
1531 {
1532         scsi_qla_host_t *vha = shost_priv(shost);
1533
1534         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1535         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1536         set_bit(RSCN_UPDATE, &vha->dpc_flags);
1537         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1538 }
1539
1540 static int
1541 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1542 {
1543         scsi_qla_host_t *vha = shost_priv(shost);
1544
1545         if (!vha->host)
1546                 return 1;
1547         if (time > vha->hw->loop_reset_delay * HZ)
1548                 return 1;
1549
1550         return atomic_read(&vha->loop_state) == LOOP_READY;
1551 }
1552
1553 /*
1554  * PCI driver interface
1555  */
1556 static int __devinit
1557 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1558 {
1559         int     ret = -ENODEV;
1560         struct Scsi_Host *host;
1561         scsi_qla_host_t *base_vha = NULL;
1562         struct qla_hw_data *ha;
1563         char pci_info[30];
1564         char fw_str[30];
1565         struct scsi_host_template *sht;
1566         int bars, max_id, mem_only = 0;
1567         uint16_t req_length = 0, rsp_length = 0;
1568
1569         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1570         sht = &qla2x00_driver_template;
1571         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1572             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1573             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1574             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1575             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1576             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
1577                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1578                 sht = &qla24xx_driver_template;
1579                 mem_only = 1;
1580         }
1581
1582         if (mem_only) {
1583                 if (pci_enable_device_mem(pdev))
1584                         goto probe_out;
1585         } else {
1586                 if (pci_enable_device(pdev))
1587                         goto probe_out;
1588         }
1589
1590         /* This may fail but that's ok */
1591         pci_enable_pcie_error_reporting(pdev);
1592
1593         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1594         if (!ha) {
1595                 DEBUG(printk("Unable to allocate memory for ha\n"));
1596                 goto probe_out;
1597         }
1598         ha->pdev = pdev;
1599
1600         /* Clear our data area */
1601         ha->bars = bars;
1602         ha->mem_only = mem_only;
1603         spin_lock_init(&ha->hardware_lock);
1604
1605         /* Set ISP-type information. */
1606         qla2x00_set_isp_flags(ha);
1607         /* Configure PCI I/O space */
1608         ret = qla2x00_iospace_config(ha);
1609         if (ret)
1610                 goto probe_hw_failed;
1611
1612         qla_printk(KERN_INFO, ha,
1613             "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1614             ha->iobase);
1615
1616         ha->prev_topology = 0;
1617         ha->init_cb_size = sizeof(init_cb_t);
1618         ha->link_data_rate = PORT_SPEED_UNKNOWN;
1619         ha->optrom_size = OPTROM_SIZE_2300;
1620
1621         /* Assign ISP specific operations. */
1622         max_id = MAX_TARGETS_2200;
1623         if (IS_QLA2100(ha)) {
1624                 max_id = MAX_TARGETS_2100;
1625                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1626                 req_length = REQUEST_ENTRY_CNT_2100;
1627                 rsp_length = RESPONSE_ENTRY_CNT_2100;
1628                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1629                 ha->gid_list_info_size = 4;
1630                 ha->isp_ops = &qla2100_isp_ops;
1631         } else if (IS_QLA2200(ha)) {
1632                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1633                 req_length = REQUEST_ENTRY_CNT_2200;
1634                 rsp_length = RESPONSE_ENTRY_CNT_2100;
1635                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1636                 ha->gid_list_info_size = 4;
1637                 ha->isp_ops = &qla2100_isp_ops;
1638         } else if (IS_QLA23XX(ha)) {
1639                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1640                 req_length = REQUEST_ENTRY_CNT_2200;
1641                 rsp_length = RESPONSE_ENTRY_CNT_2300;
1642                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1643                 ha->gid_list_info_size = 6;
1644                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1645                         ha->optrom_size = OPTROM_SIZE_2322;
1646                 ha->isp_ops = &qla2300_isp_ops;
1647         } else if (IS_QLA24XX_TYPE(ha)) {
1648                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1649                 req_length = REQUEST_ENTRY_CNT_24XX;
1650                 rsp_length = RESPONSE_ENTRY_CNT_2300;
1651                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1652                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1653                 ha->gid_list_info_size = 8;
1654                 ha->optrom_size = OPTROM_SIZE_24XX;
1655                 ha->isp_ops = &qla24xx_isp_ops;
1656         } else if (IS_QLA25XX(ha)) {
1657                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1658                 req_length = REQUEST_ENTRY_CNT_24XX;
1659                 rsp_length = RESPONSE_ENTRY_CNT_2300;
1660                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1661                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1662                 ha->gid_list_info_size = 8;
1663                 ha->optrom_size = OPTROM_SIZE_25XX;
1664                 ha->isp_ops = &qla25xx_isp_ops;
1665         }
1666
1667         mutex_init(&ha->vport_lock);
1668         init_completion(&ha->mbx_cmd_comp);
1669         complete(&ha->mbx_cmd_comp);
1670         init_completion(&ha->mbx_intr_comp);
1671
1672         set_bit(0, (unsigned long *) ha->vp_idx_map);
1673
1674         ret = qla2x00_mem_alloc(ha, req_length, rsp_length);
1675         if (!ret) {
1676                 qla_printk(KERN_WARNING, ha,
1677                     "[ERROR] Failed to allocate memory for adapter\n");
1678
1679                 goto probe_hw_failed;
1680         }
1681
1682         ha->req->max_q_depth = MAX_Q_DEPTH;
1683         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1684                 ha->req->max_q_depth = ql2xmaxqdepth;
1685
1686         base_vha = qla2x00_create_host(sht, ha);
1687         if (!base_vha) {
1688                 qla_printk(KERN_WARNING, ha,
1689                     "[ERROR] Failed to allocate memory for scsi_host\n");
1690
1691                 ret = -ENOMEM;
1692                 goto probe_hw_failed;
1693         }
1694
1695         pci_set_drvdata(pdev, base_vha);
1696
1697         qla2x00_config_dma_addressing(base_vha);
1698
1699         host = base_vha->host;
1700         host->can_queue = ha->req->length + 128;
1701         if (IS_QLA2XXX_MIDTYPE(ha)) {
1702                 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
1703         } else {
1704                 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1705                                                 base_vha->vp_idx;
1706         }
1707         if (IS_QLA2100(ha))
1708                 host->sg_tablesize = 32;
1709         host->max_id = max_id;
1710         host->this_id = 255;
1711         host->cmd_per_lun = 3;
1712         host->unique_id = host->host_no;
1713         host->max_cmd_len = MAX_CMDSZ;
1714         host->max_channel = MAX_BUSES - 1;
1715         host->max_lun = MAX_LUNS;
1716         host->transportt = qla2xxx_transport_template;
1717
1718         if (qla2x00_initialize_adapter(base_vha)) {
1719                 qla_printk(KERN_WARNING, ha,
1720                     "Failed to initialize adapter\n");
1721
1722                 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1723                     "Adapter flags %x.\n",
1724                     base_vha->host_no, base_vha->device_flags));
1725
1726                 ret = -ENODEV;
1727                 goto probe_failed;
1728         }
1729
1730         /* Set up the irqs */
1731         ret = qla2x00_request_irqs(ha);
1732         if (ret)
1733                 goto probe_failed;
1734
1735         /*
1736          * Startup the kernel thread for this host adapter
1737          */
1738         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1739                         "%s_dpc", base_vha->host_str);
1740         if (IS_ERR(ha->dpc_thread)) {
1741                 qla_printk(KERN_WARNING, ha,
1742                     "Unable to start DPC thread!\n");
1743                 ret = PTR_ERR(ha->dpc_thread);
1744                 goto probe_failed;
1745         }
1746
1747         list_add_tail(&base_vha->list, &ha->vp_list);
1748         base_vha->host->irq = ha->pdev->irq;
1749
1750         /* Initialized the timer */
1751         qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1752
1753         DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1754             base_vha->host_no, ha));
1755
1756         base_vha->flags.init_done = 1;
1757         base_vha->flags.online = 1;
1758
1759         ret = scsi_add_host(host, &pdev->dev);
1760         if (ret)
1761                 goto probe_failed;
1762
1763         ha->isp_ops->enable_intrs(ha);
1764
1765         scsi_scan_host(host);
1766
1767         qla2x00_alloc_sysfs_attr(base_vha);
1768
1769         qla2x00_init_host_attr(base_vha);
1770
1771         qla2x00_dfs_setup(base_vha);
1772
1773         qla_printk(KERN_INFO, ha, "\n"
1774             " QLogic Fibre Channel HBA Driver: %s\n"
1775             "  QLogic %s - %s\n"
1776             "  ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1777             qla2x00_version_str, ha->model_number,
1778             ha->model_desc ? ha->model_desc : "", pdev->device,
1779             ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
1780             ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
1781             ha->isp_ops->fw_version_str(base_vha, fw_str));
1782
1783         return 0;
1784
1785 probe_failed:
1786         qla2x00_free_device(base_vha);
1787
1788         scsi_host_put(base_vha->host);
1789
1790 probe_hw_failed:
1791         if (ha->iobase)
1792                 iounmap(ha->iobase);
1793
1794         pci_release_selected_regions(ha->pdev, ha->bars);
1795         kfree(ha);
1796         ha = NULL;
1797
1798 probe_out:
1799         pci_disable_device(pdev);
1800         return ret;
1801 }
1802
1803 static void
1804 qla2x00_remove_one(struct pci_dev *pdev)
1805 {
1806         scsi_qla_host_t *base_vha, *vha, *temp;
1807         struct qla_hw_data  *ha;
1808
1809         base_vha = pci_get_drvdata(pdev);
1810         ha = base_vha->hw;
1811
1812         list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
1813                 if (vha && vha->fc_vport)
1814                         fc_vport_terminate(vha->fc_vport);
1815         }
1816
1817         set_bit(UNLOADING, &base_vha->dpc_flags);
1818
1819         qla2x00_dfs_remove(base_vha);
1820
1821         qla84xx_put_chip(base_vha);
1822
1823         qla2x00_free_sysfs_attr(base_vha);
1824
1825         fc_remove_host(base_vha->host);
1826
1827         scsi_remove_host(base_vha->host);
1828
1829         qla2x00_free_device(base_vha);
1830
1831         scsi_host_put(base_vha->host);
1832
1833         if (ha->iobase)
1834                 iounmap(ha->iobase);
1835
1836         pci_release_selected_regions(ha->pdev, ha->bars);
1837         kfree(ha);
1838         ha = NULL;
1839
1840         pci_disable_device(pdev);
1841         pci_set_drvdata(pdev, NULL);
1842 }
1843
1844 static void
1845 qla2x00_free_device(scsi_qla_host_t *vha)
1846 {
1847         struct qla_hw_data *ha = vha->hw;
1848         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
1849
1850         /* Disable timer */
1851         if (vha->timer_active)
1852                 qla2x00_stop_timer(vha);
1853
1854         vha->flags.online = 0;
1855
1856         /* Kill the kernel thread for this host */
1857         if (ha->dpc_thread) {
1858                 struct task_struct *t = ha->dpc_thread;
1859
1860                 /*
1861                  * qla2xxx_wake_dpc checks for ->dpc_thread
1862                  * so we need to zero it out.
1863                  */
1864                 ha->dpc_thread = NULL;
1865                 kthread_stop(t);
1866         }
1867
1868         if (ha->flags.fce_enabled)
1869                 qla2x00_disable_fce_trace(vha, NULL, NULL);
1870
1871         if (ha->eft)
1872                 qla2x00_disable_eft_trace(vha);
1873
1874         /* Stop currently executing firmware. */
1875         qla2x00_try_to_stop_firmware(vha);
1876
1877         /* turn-off interrupts on the card */
1878         if (ha->interrupts_on)
1879                 ha->isp_ops->disable_intrs(ha);
1880
1881         qla2x00_free_irqs(vha);
1882
1883         qla2x00_mem_free(ha);
1884 }
1885
1886 static inline void
1887 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
1888     int defer)
1889 {
1890         struct fc_rport *rport;
1891
1892         if (!fcport->rport)
1893                 return;
1894
1895         rport = fcport->rport;
1896         if (defer) {
1897                 spin_lock_irq(vha->host->host_lock);
1898                 fcport->drport = rport;
1899                 spin_unlock_irq(vha->host->host_lock);
1900                 set_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
1901                 qla2xxx_wake_dpc(vha);
1902         } else
1903                 fc_remote_port_delete(rport);
1904 }
1905
1906 /*
1907  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1908  *
1909  * Input: ha = adapter block pointer.  fcport = port structure pointer.
1910  *
1911  * Return: None.
1912  *
1913  * Context:
1914  */
1915 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
1916     int do_login, int defer)
1917 {
1918         if (atomic_read(&fcport->state) == FCS_ONLINE &&
1919             vha->vp_idx == fcport->vp_idx) {
1920                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1921                 qla2x00_schedule_rport_del(vha, fcport, defer);
1922         }
1923         /*
1924          * We may need to retry the login, so don't change the state of the
1925          * port but do the retries.
1926          */
1927         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1928                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1929
1930         if (!do_login)
1931                 return;
1932
1933         if (fcport->login_retry == 0) {
1934                 fcport->login_retry = vha->hw->login_retry_count;
1935                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1936
1937                 DEBUG(printk("scsi(%ld): Port login retry: "
1938                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
1939                     "id = 0x%04x retry cnt=%d\n",
1940                     vha->host_no,
1941                     fcport->port_name[0],
1942                     fcport->port_name[1],
1943                     fcport->port_name[2],
1944                     fcport->port_name[3],
1945                     fcport->port_name[4],
1946                     fcport->port_name[5],
1947                     fcport->port_name[6],
1948                     fcport->port_name[7],
1949                     fcport->loop_id,
1950                     fcport->login_retry));
1951         }
1952 }
1953
1954 /*
1955  * qla2x00_mark_all_devices_lost
1956  *      Updates fcport state when device goes offline.
1957  *
1958  * Input:
1959  *      ha = adapter block pointer.
1960  *      fcport = port structure pointer.
1961  *
1962  * Return:
1963  *      None.
1964  *
1965  * Context:
1966  */
1967 void
1968 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
1969 {
1970         fc_port_t *fcport;
1971
1972         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1973                 if (vha->vp_idx != fcport->vp_idx)
1974                         continue;
1975                 /*
1976                  * No point in marking the device as lost, if the device is
1977                  * already DEAD.
1978                  */
1979                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1980                         continue;
1981                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1982                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
1983                         qla2x00_schedule_rport_del(vha, fcport, defer);
1984                 } else
1985                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
1986         }
1987 }
1988
1989 /*
1990 * qla2x00_mem_alloc
1991 *      Allocates adapter memory.
1992 *
1993 * Returns:
1994 *      0  = success.
1995 *      !0  = failure.
1996 */
1997 static int
1998 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len)
1999 {
2000         char    name[16];
2001         struct req_que *req = NULL;
2002         struct rsp_que *rsp = NULL;
2003
2004         ha->init_cb_size = sizeof(init_cb_t);
2005         if (IS_QLA2XXX_MIDTYPE(ha))
2006                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2007
2008         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2009                 &ha->init_cb_dma, GFP_KERNEL);
2010         if (!ha->init_cb)
2011                 goto fail;
2012
2013         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2014                 &ha->gid_list_dma, GFP_KERNEL);
2015         if (!ha->gid_list)
2016                 goto fail_free_init_cb;
2017
2018         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2019         if (!ha->srb_mempool)
2020                 goto fail_free_gid_list;
2021
2022         /* Get memory for cached NVRAM */
2023         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2024         if (!ha->nvram)
2025                 goto fail_free_srb_mempool;
2026
2027         snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2028                 ha->pdev->device);
2029         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2030                 DMA_POOL_SIZE, 8, 0);
2031         if (!ha->s_dma_pool)
2032                 goto fail_free_nvram;
2033
2034         /* Allocate memory for SNS commands */
2035         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2036         /* Get consistent memory allocated for SNS commands */
2037                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2038                 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2039                 if (!ha->sns_cmd)
2040                         goto fail_dma_pool;
2041         } else {
2042         /* Get consistent memory allocated for MS IOCB */
2043                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2044                         &ha->ms_iocb_dma);
2045                 if (!ha->ms_iocb)
2046                         goto fail_dma_pool;
2047         /* Get consistent memory allocated for CT SNS commands */
2048                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2049                         sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2050                 if (!ha->ct_sns)
2051                         goto fail_free_ms_iocb;
2052         }
2053
2054         /* Allocate memory for request ring */
2055         req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2056         if (!req) {
2057                 DEBUG(printk("Unable to allocate memory for req\n"));
2058                 goto fail_req;
2059         }
2060         ha->req = req;
2061         req->length = req_len;
2062         req->ring = dma_alloc_coherent(&ha->pdev->dev,
2063                 (req->length + 1) * sizeof(request_t),
2064                 &req->dma, GFP_KERNEL);
2065         if (!req->ring) {
2066                 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2067                 goto fail_req_ring;
2068         }
2069         /* Allocate memory for response ring */
2070         rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2071         if (!rsp) {
2072                 DEBUG(printk("Unable to allocate memory for rsp\n"));
2073                 goto fail_rsp;
2074         }
2075         ha->rsp = rsp;
2076         rsp->hw = ha;
2077         rsp->length = rsp_len;
2078
2079         rsp->ring = dma_alloc_coherent(&ha->pdev->dev,
2080                 (rsp->length + 1) * sizeof(response_t),
2081                 &rsp->dma, GFP_KERNEL);
2082         if (!rsp->ring) {
2083                 DEBUG(printk("Unable to allocate memory for rsp_ring\n"));
2084                 goto fail_rsp_ring;
2085         }
2086
2087         INIT_LIST_HEAD(&ha->vp_list);
2088         return 1;
2089
2090 fail_rsp_ring:
2091         kfree(rsp);
2092         ha->rsp = NULL;
2093 fail_rsp:
2094         dma_free_coherent(&ha->pdev->dev, (req->length + 1) *
2095                 sizeof(request_t), req->ring, req->dma);
2096         req->ring = NULL;
2097         req->dma = 0;
2098 fail_req_ring:
2099         kfree(req);
2100         ha->req = NULL;
2101 fail_req:
2102         dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2103                 ha->ct_sns, ha->ct_sns_dma);
2104         ha->ct_sns = NULL;
2105         ha->ct_sns_dma = 0;
2106 fail_free_ms_iocb:
2107         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2108         ha->ms_iocb = NULL;
2109         ha->ms_iocb_dma = 0;
2110 fail_dma_pool:
2111         dma_pool_destroy(ha->s_dma_pool);
2112         ha->s_dma_pool = NULL;
2113 fail_free_nvram:
2114         kfree(ha->nvram);
2115         ha->nvram = NULL;
2116 fail_free_srb_mempool:
2117         mempool_destroy(ha->srb_mempool);
2118         ha->srb_mempool = NULL;
2119 fail_free_gid_list:
2120         dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2121         ha->gid_list_dma);
2122         ha->gid_list = NULL;
2123         ha->gid_list_dma = 0;
2124 fail_free_init_cb:
2125         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2126         ha->init_cb_dma);
2127         ha->init_cb = NULL;
2128         ha->init_cb_dma = 0;
2129 fail:
2130         DEBUG(printk("%s: Memory allocation failure\n", __func__));
2131         return -ENOMEM;
2132 }
2133
2134 /*
2135 * qla2x00_mem_free
2136 *      Frees all adapter allocated memory.
2137 *
2138 * Input:
2139 *      ha = adapter block pointer.
2140 */
2141 static void
2142 qla2x00_mem_free(struct qla_hw_data *ha)
2143 {
2144         struct req_que *req = ha->req;
2145         struct rsp_que *rsp = ha->rsp;
2146
2147         if (ha->srb_mempool)
2148                 mempool_destroy(ha->srb_mempool);
2149
2150         if (ha->fce)
2151                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2152                 ha->fce_dma);
2153
2154         if (ha->fw_dump) {
2155                 if (ha->eft)
2156                         dma_free_coherent(&ha->pdev->dev,
2157                         ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2158                 vfree(ha->fw_dump);
2159         }
2160
2161         if (ha->sns_cmd)
2162                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2163                 ha->sns_cmd, ha->sns_cmd_dma);
2164
2165         if (ha->ct_sns)
2166                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2167                 ha->ct_sns, ha->ct_sns_dma);
2168
2169         if (ha->sfp_data)
2170                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2171
2172         if (ha->ms_iocb)
2173                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2174
2175         if (ha->s_dma_pool)
2176                 dma_pool_destroy(ha->s_dma_pool);
2177
2178
2179         if (ha->gid_list)
2180                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2181                 ha->gid_list_dma);
2182
2183
2184         if (ha->init_cb)
2185                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2186                 ha->init_cb, ha->init_cb_dma);
2187         vfree(ha->optrom_buffer);
2188         kfree(ha->nvram);
2189
2190         ha->srb_mempool = NULL;
2191         ha->eft = NULL;
2192         ha->eft_dma = 0;
2193         ha->sns_cmd = NULL;
2194         ha->sns_cmd_dma = 0;
2195         ha->ct_sns = NULL;
2196         ha->ct_sns_dma = 0;
2197         ha->ms_iocb = NULL;
2198         ha->ms_iocb_dma = 0;
2199         ha->init_cb = NULL;
2200         ha->init_cb_dma = 0;
2201
2202         ha->s_dma_pool = NULL;
2203
2204         ha->gid_list = NULL;
2205         ha->gid_list_dma = 0;
2206
2207         ha->fw_dump = NULL;
2208         ha->fw_dumped = 0;
2209         ha->fw_dump_reading = 0;
2210
2211         if (rsp) {
2212                 if (rsp->ring)
2213                         dma_free_coherent(&ha->pdev->dev,
2214                         (rsp->length + 1) * sizeof(response_t),
2215                         rsp->ring, rsp->dma);
2216
2217                 kfree(rsp);
2218                 rsp = NULL;
2219         }
2220
2221         if (req) {
2222                 if (req->ring)
2223                         dma_free_coherent(&ha->pdev->dev,
2224                         (req->length + 1) * sizeof(request_t),
2225                         req->ring, req->dma);
2226
2227                 kfree(req);
2228                 req = NULL;
2229         }
2230 }
2231
2232 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2233                                                 struct qla_hw_data *ha)
2234 {
2235         struct Scsi_Host *host;
2236         struct scsi_qla_host *vha = NULL;
2237
2238         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2239         if (host == NULL) {
2240                 printk(KERN_WARNING
2241                 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2242                 goto fail;
2243         }
2244
2245         /* Clear our data area */
2246         vha = shost_priv(host);
2247         memset(vha, 0, sizeof(scsi_qla_host_t));
2248
2249         vha->host = host;
2250         vha->host_no = host->host_no;
2251         vha->hw = ha;
2252
2253         INIT_LIST_HEAD(&vha->vp_fcports);
2254         INIT_LIST_HEAD(&vha->work_list);
2255         INIT_LIST_HEAD(&vha->list);
2256
2257         sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2258         return vha;
2259
2260 fail:
2261         return vha;
2262 }
2263
2264 static struct qla_work_evt *
2265 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type,
2266     int locked)
2267 {
2268         struct qla_work_evt *e;
2269
2270         e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
2271             GFP_KERNEL);
2272         if (!e)
2273                 return NULL;
2274
2275         INIT_LIST_HEAD(&e->list);
2276         e->type = type;
2277         e->flags = QLA_EVT_FLAG_FREE;
2278         return e;
2279 }
2280
2281 static int
2282 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e, int locked)
2283 {
2284         unsigned long uninitialized_var(flags);
2285         struct qla_hw_data *ha = vha->hw;
2286
2287         if (!locked)
2288                 spin_lock_irqsave(&ha->hardware_lock, flags);
2289         list_add_tail(&e->list, &vha->work_list);
2290         qla2xxx_wake_dpc(vha);
2291         if (!locked)
2292                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2293         return QLA_SUCCESS;
2294 }
2295
2296 int
2297 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
2298     u32 data)
2299 {
2300         struct qla_work_evt *e;
2301
2302         e = qla2x00_alloc_work(vha, QLA_EVT_AEN, 1);
2303         if (!e)
2304                 return QLA_FUNCTION_FAILED;
2305
2306         e->u.aen.code = code;
2307         e->u.aen.data = data;
2308         return qla2x00_post_work(vha, e, 1);
2309 }
2310
2311 int
2312 qla2x00_post_hwe_work(struct scsi_qla_host *vha, uint16_t code, uint16_t d1,
2313     uint16_t d2, uint16_t d3)
2314 {
2315         struct qla_work_evt *e;
2316
2317         e = qla2x00_alloc_work(vha, QLA_EVT_HWE_LOG, 1);
2318         if (!e)
2319                 return QLA_FUNCTION_FAILED;
2320
2321         e->u.hwe.code = code;
2322         e->u.hwe.d1 = d1;
2323         e->u.hwe.d2 = d2;
2324         e->u.hwe.d3 = d3;
2325         return qla2x00_post_work(vha, e, 1);
2326 }
2327
2328 static void
2329 qla2x00_do_work(struct scsi_qla_host *vha)
2330 {
2331         struct qla_work_evt *e;
2332         struct qla_hw_data *ha = vha->hw;
2333
2334         spin_lock_irq(&ha->hardware_lock);
2335         while (!list_empty(&vha->work_list)) {
2336                 e = list_entry(vha->work_list.next, struct qla_work_evt, list);
2337                 list_del_init(&e->list);
2338                 spin_unlock_irq(&ha->hardware_lock);
2339
2340                 switch (e->type) {
2341                 case QLA_EVT_AEN:
2342                         fc_host_post_event(vha->host, fc_get_event_number(),
2343                             e->u.aen.code, e->u.aen.data);
2344                         break;
2345                 case QLA_EVT_HWE_LOG:
2346                         qla2xxx_hw_event_log(vha, e->u.hwe.code, e->u.hwe.d1,
2347                             e->u.hwe.d2, e->u.hwe.d3);
2348                         break;
2349                 }
2350                 if (e->flags & QLA_EVT_FLAG_FREE)
2351                         kfree(e);
2352                 spin_lock_irq(&ha->hardware_lock);
2353         }
2354         spin_unlock_irq(&ha->hardware_lock);
2355 }
2356 /* Relogins all the fcports of a vport
2357  * Context: dpc thread
2358  */
2359 void qla2x00_relogin(struct scsi_qla_host *vha)
2360 {
2361         fc_port_t       *fcport;
2362         uint8_t         status;
2363         uint16_t        next_loopid = 0;
2364         struct qla_hw_data *ha = vha->hw;
2365
2366         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2367         /*
2368          * If the port is not ONLINE then try to login
2369          * to it if we haven't run out of retries.
2370          */
2371                 if (atomic_read(&fcport->state) !=
2372                         FCS_ONLINE && fcport->login_retry) {
2373
2374                         if (fcport->flags & FCF_FABRIC_DEVICE) {
2375                                 if (fcport->flags & FCF_TAPE_PRESENT)
2376                                         ha->isp_ops->fabric_logout(vha,
2377                                                         fcport->loop_id,
2378                                                         fcport->d_id.b.domain,
2379                                                         fcport->d_id.b.area,
2380                                                         fcport->d_id.b.al_pa);
2381
2382                                 status = qla2x00_fabric_login(vha, fcport,
2383                                                         &next_loopid);
2384                         } else
2385                                 status = qla2x00_local_device_login(vha,
2386                                                                 fcport);
2387
2388                         fcport->login_retry--;
2389                         if (status == QLA_SUCCESS) {
2390                                 fcport->old_loop_id = fcport->loop_id;
2391
2392                                 DEBUG(printk("scsi(%ld): port login OK: logged "
2393                                 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2394
2395                                 qla2x00_update_fcport(vha, fcport);
2396
2397                         } else if (status == 1) {
2398                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2399                                 /* retry the login again */
2400                                 DEBUG(printk("scsi(%ld): Retrying"
2401                                 " %d login again loop_id 0x%x\n",
2402                                 vha->host_no, fcport->login_retry,
2403                                                 fcport->loop_id));
2404                         } else {
2405                                 fcport->login_retry = 0;
2406                         }
2407
2408                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2409                                 fcport->loop_id = FC_NO_LOOP_ID;
2410                 }
2411                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2412                         break;
2413         }
2414 }
2415
2416 /**************************************************************************
2417 * qla2x00_do_dpc
2418 *   This kernel thread is a task that is schedule by the interrupt handler
2419 *   to perform the background processing for interrupts.
2420 *
2421 * Notes:
2422 * This task always run in the context of a kernel thread.  It
2423 * is kick-off by the driver's detect code and starts up
2424 * up one per adapter. It immediately goes to sleep and waits for
2425 * some fibre event.  When either the interrupt handler or
2426 * the timer routine detects a event it will one of the task
2427 * bits then wake us up.
2428 **************************************************************************/
2429 static int
2430 qla2x00_do_dpc(void *data)
2431 {
2432         int             rval;
2433         scsi_qla_host_t *base_vha;
2434         struct qla_hw_data *ha;
2435
2436         ha = (struct qla_hw_data *)data;
2437         base_vha = pci_get_drvdata(ha->pdev);
2438
2439         set_user_nice(current, -20);
2440
2441         while (!kthread_should_stop()) {
2442                 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2443
2444                 set_current_state(TASK_INTERRUPTIBLE);
2445                 schedule();
2446                 __set_current_state(TASK_RUNNING);
2447
2448                 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2449
2450                 /* Initialization not yet finished. Don't do anything yet. */
2451                 if (!base_vha->flags.init_done)
2452                         continue;
2453
2454                 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
2455
2456                 ha->dpc_active = 1;
2457
2458                 if (ha->flags.mbox_busy) {
2459                         ha->dpc_active = 0;
2460                         continue;
2461                 }
2462
2463                 qla2x00_do_work(base_vha);
2464
2465                 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2466                                                 &base_vha->dpc_flags)) {
2467
2468                         DEBUG(printk("scsi(%ld): dpc: sched "
2469                             "qla2x00_abort_isp ha = %p\n",
2470                             base_vha->host_no, ha));
2471                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2472                             &base_vha->dpc_flags))) {
2473
2474                                 if (qla2x00_abort_isp(base_vha)) {
2475                                         /* failed. retry later */
2476                                         set_bit(ISP_ABORT_NEEDED,
2477                                             &base_vha->dpc_flags);
2478                                 }
2479                                 clear_bit(ABORT_ISP_ACTIVE,
2480                                                 &base_vha->dpc_flags);
2481                         }
2482
2483                         DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2484                             base_vha->host_no));
2485                 }
2486
2487                 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2488                         qla2x00_update_fcports(base_vha);
2489                         clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2490                 }
2491
2492                 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2493                                                         &base_vha->dpc_flags) &&
2494                     (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
2495
2496                         DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2497                             base_vha->host_no));
2498
2499                         qla2x00_rst_aen(base_vha);
2500                         clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
2501                 }
2502
2503                 /* Retry each device up to login retry count */
2504                 if ((test_and_clear_bit(RELOGIN_NEEDED,
2505                                                 &base_vha->dpc_flags)) &&
2506                     !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2507                     atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
2508
2509                         DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2510                                         base_vha->host_no));
2511                         qla2x00_relogin(base_vha);
2512
2513                         DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2514                             base_vha->host_no));
2515                 }
2516
2517                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2518                                                         &base_vha->dpc_flags)) {
2519
2520                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2521                                 base_vha->host_no));
2522
2523                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2524                             &base_vha->dpc_flags))) {
2525
2526                                 rval = qla2x00_loop_resync(base_vha);
2527
2528                                 clear_bit(LOOP_RESYNC_ACTIVE,
2529                                                 &base_vha->dpc_flags);
2530                         }
2531
2532                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2533                             base_vha->host_no));
2534                 }
2535
2536                 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2537                     atomic_read(&base_vha->loop_state) == LOOP_READY) {
2538                         clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
2539                         qla2xxx_flash_npiv_conf(base_vha);
2540                 }
2541
2542                 if (!ha->interrupts_on)
2543                         ha->isp_ops->enable_intrs(ha);
2544
2545                 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
2546                                         &base_vha->dpc_flags))
2547                         ha->isp_ops->beacon_blink(base_vha);
2548
2549                 qla2x00_do_dpc_all_vps(base_vha);
2550
2551                 ha->dpc_active = 0;
2552         } /* End of while(1) */
2553
2554         DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
2555
2556         /*
2557          * Make sure that nobody tries to wake us up again.
2558          */
2559         ha->dpc_active = 0;
2560
2561         return 0;
2562 }
2563
2564 void
2565 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
2566 {
2567         struct qla_hw_data *ha = vha->hw;
2568         struct task_struct *t = ha->dpc_thread;
2569
2570         if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
2571                 wake_up_process(t);
2572 }
2573
2574 /*
2575 *  qla2x00_rst_aen
2576 *      Processes asynchronous reset.
2577 *
2578 * Input:
2579 *      ha  = adapter block pointer.
2580 */
2581 static void
2582 qla2x00_rst_aen(scsi_qla_host_t *vha)
2583 {
2584         if (vha->flags.online && !vha->flags.reset_active &&
2585             !atomic_read(&vha->loop_down_timer) &&
2586             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
2587                 do {
2588                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2589
2590                         /*
2591                          * Issue marker command only when we are going to start
2592                          * the I/O.
2593                          */
2594                         vha->marker_needed = 1;
2595                 } while (!atomic_read(&vha->loop_down_timer) &&
2596                     (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
2597         }
2598 }
2599
2600 static void
2601 qla2x00_sp_free_dma(srb_t *sp)
2602 {
2603         struct scsi_cmnd *cmd = sp->cmd;
2604
2605         if (sp->flags & SRB_DMA_VALID) {
2606                 scsi_dma_unmap(cmd);
2607                 sp->flags &= ~SRB_DMA_VALID;
2608         }
2609         CMD_SP(cmd) = NULL;
2610 }
2611
2612 void
2613 qla2x00_sp_compl(scsi_qla_host_t *vha, srb_t *sp)
2614 {
2615         struct qla_hw_data *ha = vha->hw;
2616         struct scsi_cmnd *cmd = sp->cmd;
2617
2618         qla2x00_sp_free_dma(sp);
2619
2620         mempool_free(sp, ha->srb_mempool);
2621
2622         cmd->scsi_done(cmd);
2623 }
2624
2625 /**************************************************************************
2626 *   qla2x00_timer
2627 *
2628 * Description:
2629 *   One second timer
2630 *
2631 * Context: Interrupt
2632 ***************************************************************************/
2633 void
2634 qla2x00_timer(scsi_qla_host_t *vha)
2635 {
2636         unsigned long   cpu_flags = 0;
2637         fc_port_t       *fcport;
2638         int             start_dpc = 0;
2639         int             index;
2640         srb_t           *sp;
2641         int             t;
2642         struct qla_hw_data *ha = vha->hw;
2643         struct req_que *req = ha->req;
2644         /*
2645          * Ports - Port down timer.
2646          *
2647          * Whenever, a port is in the LOST state we start decrementing its port
2648          * down timer every second until it reaches zero. Once  it reaches zero
2649          * the port it marked DEAD.
2650          */
2651         t = 0;
2652         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2653                 if (fcport->port_type != FCT_TARGET)
2654                         continue;
2655
2656                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2657
2658                         if (atomic_read(&fcport->port_down_timer) == 0)
2659                                 continue;
2660
2661                         if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2662                                 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2663
2664                         DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2665                             "%d remaining\n",
2666                             vha->host_no,
2667                             t, atomic_read(&fcport->port_down_timer)));
2668                 }
2669                 t++;
2670         } /* End of for fcport  */
2671
2672
2673         /* Loop down handler. */
2674         if (atomic_read(&vha->loop_down_timer) > 0 &&
2675             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
2676                 && vha->flags.online) {
2677
2678                 if (atomic_read(&vha->loop_down_timer) ==
2679                     vha->loop_down_abort_time) {
2680
2681                         DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2682                             "queues before time expire\n",
2683                             vha->host_no));
2684
2685                         if (!IS_QLA2100(ha) && vha->link_down_timeout)
2686                                 atomic_set(&vha->loop_state, LOOP_DEAD);
2687
2688                         /* Schedule an ISP abort to return any tape commands. */
2689                         /* NPIV - scan physical port only */
2690                         if (!vha->vp_idx) {
2691                                 spin_lock_irqsave(&ha->hardware_lock,
2692                                     cpu_flags);
2693                                 for (index = 1;
2694                                     index < MAX_OUTSTANDING_COMMANDS;
2695                                     index++) {
2696                                         fc_port_t *sfcp;
2697
2698                                         sp = req->outstanding_cmds[index];
2699                                         if (!sp)
2700                                                 continue;
2701                                         sfcp = sp->fcport;
2702                                         if (!(sfcp->flags & FCF_TAPE_PRESENT))
2703                                                 continue;
2704
2705                                         set_bit(ISP_ABORT_NEEDED,
2706                                                         &vha->dpc_flags);
2707                                         break;
2708                                 }
2709                                 spin_unlock_irqrestore(&ha->hardware_lock,
2710                                                                 cpu_flags);
2711                         }
2712                         set_bit(ABORT_QUEUES_NEEDED, &vha->dpc_flags);
2713                         start_dpc++;
2714                 }
2715
2716                 /* if the loop has been down for 4 minutes, reinit adapter */
2717                 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
2718                         DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2719                             "restarting queues.\n",
2720                             vha->host_no));
2721
2722                         set_bit(RESTART_QUEUES_NEEDED, &vha->dpc_flags);
2723                         start_dpc++;
2724
2725                         if (!(vha->device_flags & DFLG_NO_CABLE) &&
2726                             !vha->vp_idx) {
2727                                 DEBUG(printk("scsi(%ld): Loop down - "
2728                                     "aborting ISP.\n",
2729                                     vha->host_no));
2730                                 qla_printk(KERN_WARNING, ha,
2731                                     "Loop down - aborting ISP.\n");
2732
2733                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2734                         }
2735                 }
2736                 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2737                     vha->host_no,
2738                     atomic_read(&vha->loop_down_timer)));
2739         }
2740
2741         /* Check if beacon LED needs to be blinked */
2742         if (ha->beacon_blink_led == 1) {
2743                 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
2744                 start_dpc++;
2745         }
2746
2747         /* Process any deferred work. */
2748         if (!list_empty(&vha->work_list))
2749                 start_dpc++;
2750
2751         /* Schedule the DPC routine if needed */
2752         if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
2753             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
2754             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
2755             start_dpc ||
2756             test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
2757             test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
2758             test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
2759             test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
2760                 qla2xxx_wake_dpc(vha);
2761
2762         qla2x00_restart_timer(vha, WATCH_INTERVAL);
2763 }
2764
2765 /* Firmware interface routines. */
2766
2767 #define FW_BLOBS        6
2768 #define FW_ISP21XX      0
2769 #define FW_ISP22XX      1
2770 #define FW_ISP2300      2
2771 #define FW_ISP2322      3
2772 #define FW_ISP24XX      4
2773 #define FW_ISP25XX      5
2774
2775 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2776 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2777 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2778 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2779 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2780 #define FW_FILE_ISP25XX "ql2500_fw.bin"
2781
2782 static DEFINE_MUTEX(qla_fw_lock);
2783
2784 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2785         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2786         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2787         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2788         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2789         { .name = FW_FILE_ISP24XX, },
2790         { .name = FW_FILE_ISP25XX, },
2791 };
2792
2793 struct fw_blob *
2794 qla2x00_request_firmware(scsi_qla_host_t *vha)
2795 {
2796         struct qla_hw_data *ha = vha->hw;
2797         struct fw_blob *blob;
2798
2799         blob = NULL;
2800         if (IS_QLA2100(ha)) {
2801                 blob = &qla_fw_blobs[FW_ISP21XX];
2802         } else if (IS_QLA2200(ha)) {
2803                 blob = &qla_fw_blobs[FW_ISP22XX];
2804         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2805                 blob = &qla_fw_blobs[FW_ISP2300];
2806         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2807                 blob = &qla_fw_blobs[FW_ISP2322];
2808         } else if (IS_QLA24XX_TYPE(ha)) {
2809                 blob = &qla_fw_blobs[FW_ISP24XX];
2810         } else if (IS_QLA25XX(ha)) {
2811                 blob = &qla_fw_blobs[FW_ISP25XX];
2812         }
2813
2814         mutex_lock(&qla_fw_lock);
2815         if (blob->fw)
2816                 goto out;
2817
2818         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2819                 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2820                     "(%s).\n", vha->host_no, blob->name));
2821                 blob->fw = NULL;
2822                 blob = NULL;
2823                 goto out;
2824         }
2825
2826 out:
2827         mutex_unlock(&qla_fw_lock);
2828         return blob;
2829 }
2830
2831 static void
2832 qla2x00_release_firmware(void)
2833 {
2834         int idx;
2835
2836         mutex_lock(&qla_fw_lock);
2837         for (idx = 0; idx < FW_BLOBS; idx++)
2838                 if (qla_fw_blobs[idx].fw)
2839                         release_firmware(qla_fw_blobs[idx].fw);
2840         mutex_unlock(&qla_fw_lock);
2841 }
2842
2843 static pci_ers_result_t
2844 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
2845 {
2846         switch (state) {
2847         case pci_channel_io_normal:
2848                 return PCI_ERS_RESULT_CAN_RECOVER;
2849         case pci_channel_io_frozen:
2850                 pci_disable_device(pdev);
2851                 return PCI_ERS_RESULT_NEED_RESET;
2852         case pci_channel_io_perm_failure:
2853                 qla2x00_remove_one(pdev);
2854                 return PCI_ERS_RESULT_DISCONNECT;
2855         }
2856         return PCI_ERS_RESULT_NEED_RESET;
2857 }
2858
2859 static pci_ers_result_t
2860 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
2861 {
2862         int risc_paused = 0;
2863         uint32_t stat;
2864         unsigned long flags;
2865         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
2866         struct qla_hw_data *ha = base_vha->hw;
2867         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2868         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2869
2870         spin_lock_irqsave(&ha->hardware_lock, flags);
2871         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
2872                 stat = RD_REG_DWORD(&reg->hccr);
2873                 if (stat & HCCR_RISC_PAUSE)
2874                         risc_paused = 1;
2875         } else if (IS_QLA23XX(ha)) {
2876                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
2877                 if (stat & HSR_RISC_PAUSED)
2878                         risc_paused = 1;
2879         } else if (IS_FWI2_CAPABLE(ha)) {
2880                 stat = RD_REG_DWORD(&reg24->host_status);
2881                 if (stat & HSRX_RISC_PAUSED)
2882                         risc_paused = 1;
2883         }
2884         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2885
2886         if (risc_paused) {
2887                 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
2888                     "Dumping firmware!\n");
2889                 ha->isp_ops->fw_dump(base_vha, 0);
2890
2891                 return PCI_ERS_RESULT_NEED_RESET;
2892         } else
2893                 return PCI_ERS_RESULT_RECOVERED;
2894 }
2895
2896 static pci_ers_result_t
2897 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
2898 {
2899         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
2900         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
2901         struct qla_hw_data *ha = base_vha->hw;
2902         int rc;
2903
2904         if (ha->mem_only)
2905                 rc = pci_enable_device_mem(pdev);
2906         else
2907                 rc = pci_enable_device(pdev);
2908
2909         if (rc) {
2910                 qla_printk(KERN_WARNING, ha,
2911                     "Can't re-enable PCI device after reset.\n");
2912
2913                 return ret;
2914         }
2915         pci_set_master(pdev);
2916
2917         if (ha->isp_ops->pci_config(base_vha))
2918                 return ret;
2919
2920         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
2921         if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
2922                 ret =  PCI_ERS_RESULT_RECOVERED;
2923         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
2924
2925         return ret;
2926 }
2927
2928 static void
2929 qla2xxx_pci_resume(struct pci_dev *pdev)
2930 {
2931         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
2932         struct qla_hw_data *ha = base_vha->hw;
2933         int ret;
2934
2935         ret = qla2x00_wait_for_hba_online(base_vha);
2936         if (ret != QLA_SUCCESS) {
2937                 qla_printk(KERN_ERR, ha,
2938                     "the device failed to resume I/O "
2939                     "from slot/link_reset");
2940         }
2941         pci_cleanup_aer_uncorrect_error_status(pdev);
2942 }
2943
2944 static struct pci_error_handlers qla2xxx_err_handler = {
2945         .error_detected = qla2xxx_pci_error_detected,
2946         .mmio_enabled = qla2xxx_pci_mmio_enabled,
2947         .slot_reset = qla2xxx_pci_slot_reset,
2948         .resume = qla2xxx_pci_resume,
2949 };
2950
2951 static struct pci_device_id qla2xxx_pci_tbl[] = {
2952         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2953         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2954         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2955         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2956         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2957         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2958         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2959         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2960         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2961         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
2962         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2963         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
2964         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
2965         { 0 },
2966 };
2967 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2968
2969 static struct pci_driver qla2xxx_pci_driver = {
2970         .name           = QLA2XXX_DRIVER_NAME,
2971         .driver         = {
2972                 .owner          = THIS_MODULE,
2973         },
2974         .id_table       = qla2xxx_pci_tbl,
2975         .probe          = qla2x00_probe_one,
2976         .remove         = qla2x00_remove_one,
2977         .err_handler    = &qla2xxx_err_handler,
2978 };
2979
2980 /**
2981  * qla2x00_module_init - Module initialization.
2982  **/
2983 static int __init
2984 qla2x00_module_init(void)
2985 {
2986         int ret = 0;
2987
2988         /* Allocate cache for SRBs. */
2989         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2990             SLAB_HWCACHE_ALIGN, NULL);
2991         if (srb_cachep == NULL) {
2992                 printk(KERN_ERR
2993                     "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2994                 return -ENOMEM;
2995         }
2996
2997         /* Derive version string. */
2998         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2999         if (ql2xextended_error_logging)
3000                 strcat(qla2x00_version_str, "-debug");
3001
3002         qla2xxx_transport_template =
3003             fc_attach_transport(&qla2xxx_transport_functions);
3004         if (!qla2xxx_transport_template) {
3005                 kmem_cache_destroy(srb_cachep);
3006                 return -ENODEV;
3007         }
3008         qla2xxx_transport_vport_template =
3009             fc_attach_transport(&qla2xxx_transport_vport_functions);
3010         if (!qla2xxx_transport_vport_template) {
3011                 kmem_cache_destroy(srb_cachep);
3012                 fc_release_transport(qla2xxx_transport_template);
3013                 return -ENODEV;
3014         }
3015
3016         printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3017             qla2x00_version_str);
3018         ret = pci_register_driver(&qla2xxx_pci_driver);
3019         if (ret) {
3020                 kmem_cache_destroy(srb_cachep);
3021                 fc_release_transport(qla2xxx_transport_template);
3022                 fc_release_transport(qla2xxx_transport_vport_template);
3023         }
3024         return ret;
3025 }
3026
3027 /**
3028  * qla2x00_module_exit - Module cleanup.
3029  **/
3030 static void __exit
3031 qla2x00_module_exit(void)
3032 {
3033         pci_unregister_driver(&qla2xxx_pci_driver);
3034         qla2x00_release_firmware();
3035         kmem_cache_destroy(srb_cachep);
3036         fc_release_transport(qla2xxx_transport_template);
3037         fc_release_transport(qla2xxx_transport_vport_template);
3038 }
3039
3040 module_init(qla2x00_module_init);
3041 module_exit(qla2x00_module_exit);
3042
3043 MODULE_AUTHOR("QLogic Corporation");
3044 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3045 MODULE_LICENSE("GPL");
3046 MODULE_VERSION(QLA2XXX_VERSION);
3047 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3048 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3049 MODULE_FIRMWARE(FW_FILE_ISP2300);
3050 MODULE_FIRMWARE(FW_FILE_ISP2322);
3051 MODULE_FIRMWARE(FW_FILE_ISP24XX);
3052 MODULE_FIRMWARE(FW_FILE_ISP25XX);