Pileus Git - ~andy/linux/blob - 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 #include <linux/kobject.h>
  15
  16 #include <scsi/scsi_tcq.h>
  17 #include <scsi/scsicam.h>
  18 #include <scsi/scsi_transport.h>
  19 #include <scsi/scsi_transport_fc.h>
  20
  21 /*
  22  * Driver version
  23  */
  24 char qla2x00_version_str[40];
  25
  26 /*
  27  * SRB allocation cache
  28  */
  29 static struct kmem_cache *srb_cachep;
  30
  31 int ql2xlogintimeout = 20;
  32 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
  33 MODULE_PARM_DESC(ql2xlogintimeout,
  34                 "Login timeout value in seconds.");
  35
  36 int qlport_down_retry;
  37 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
  38 MODULE_PARM_DESC(qlport_down_retry,
  39                 "Maximum number of command retries to a port that returns "
  40                 "a PORT-DOWN status.");
  41
  42 int ql2xplogiabsentdevice;
  43 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
  44 MODULE_PARM_DESC(ql2xplogiabsentdevice,
  45                 "Option to enable PLOGI to devices that are not present after "
  46                 "a Fabric scan.  This is needed for several broken switches. "
  47                 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
  48
  49 int ql2xloginretrycount = 0;
  50 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
  51 MODULE_PARM_DESC(ql2xloginretrycount,
  52                 "Specify an alternate value for the NVRAM login retry count.");
  53
  54 int ql2xallocfwdump = 1;
  55 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
  56 MODULE_PARM_DESC(ql2xallocfwdump,
  57                 "Option to enable allocation of memory for a firmware dump "
  58                 "during HBA initialization.  Memory allocation requirements "
  59                 "vary by ISP type.  Default is 1 - allocate memory.");
  60
  61 int ql2xextended_error_logging;
  62 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  63 MODULE_PARM_DESC(ql2xextended_error_logging,
  64                 "Option to enable extended error logging, "
  65                 "Default is 0 - no logging. 1 - log errors.");
  66
  67 static void qla2x00_free_device(scsi_qla_host_t *);
  68
  69 int ql2xfdmienable=1;
  70 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
  71 MODULE_PARM_DESC(ql2xfdmienable,
  72                 "Enables FDMI registratons "
  73                 "Default is 0 - no FDMI. 1 - perfom FDMI.");
  74
  75 #define MAX_Q_DEPTH    32
  76 static int ql2xmaxqdepth = MAX_Q_DEPTH;
  77 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
  78 MODULE_PARM_DESC(ql2xmaxqdepth,
  79                 "Maximum queue depth to report for target devices.");
  80
  81 int ql2xiidmaenable=1;
  82 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
  83 MODULE_PARM_DESC(ql2xiidmaenable,
  84                 "Enables iIDMA settings "
  85                 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
  86
  87 int ql2xmaxqueues = 1;
  88 module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
  89 MODULE_PARM_DESC(ql2xmaxqueues,
  90                 "Enables MQ settings "
  91                 "Default is 1 for single queue. Set it to number \
  92                         of queues in MQ mode.");
  93
  94 int ql2xmultique_tag;
  95 module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR);
  96 MODULE_PARM_DESC(ql2xmultique_tag,
  97                 "Enables CPU affinity settings for the driver "
  98                 "Default is 0 for no affinity of request and response IO. "
  99                 "Set it to 1 to turn on the cpu affinity.");
 100
 101 int ql2xfwloadbin;
 102 module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
 103 MODULE_PARM_DESC(ql2xfwloadbin,
 104                 "Option to specify location from which to load ISP firmware:\n"
 105                 " 2 -- load firmware via the request_firmware() (hotplug)\n"
 106                 "      interface.\n"
 107                 " 1 -- load firmware from flash.\n"
 108                 " 0 -- use default semantics.\n");
 109
 110 /*
 111  * SCSI host template entry points
 112  */
 113 static int qla2xxx_slave_configure(struct scsi_device * device);
 114 static int qla2xxx_slave_alloc(struct scsi_device *);
 115 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
 116 static void qla2xxx_scan_start(struct Scsi_Host *);
 117 static void qla2xxx_slave_destroy(struct scsi_device *);
 118 static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
 119                 void (*fn)(struct scsi_cmnd *));
 120 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 121 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 122 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
 123 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 124 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 125
 126 static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
 127 static int qla2x00_change_queue_type(struct scsi_device *, int);
 128
 129 struct scsi_host_template qla2xxx_driver_template = {
 130         .module                 = THIS_MODULE,
 131         .name                   = QLA2XXX_DRIVER_NAME,
 132         .queuecommand           = qla2xxx_queuecommand,
 133
 134         .eh_abort_handler       = qla2xxx_eh_abort,
 135         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 136         .eh_target_reset_handler = qla2xxx_eh_target_reset,
 137         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 138         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 139
 140         .slave_configure        = qla2xxx_slave_configure,
 141
 142         .slave_alloc            = qla2xxx_slave_alloc,
 143         .slave_destroy          = qla2xxx_slave_destroy,
 144         .scan_finished          = qla2xxx_scan_finished,
 145         .scan_start             = qla2xxx_scan_start,
 146         .change_queue_depth     = qla2x00_change_queue_depth,
 147         .change_queue_type      = qla2x00_change_queue_type,
 148         .this_id                = -1,
 149         .cmd_per_lun            = 3,
 150         .use_clustering         = ENABLE_CLUSTERING,
 151         .sg_tablesize           = SG_ALL,
 152
 153         .max_sectors            = 0xFFFF,
 154         .shost_attrs            = qla2x00_host_attrs,
 155 };
 156
 157 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 158 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 159
 160 /* TODO Convert to inlines
 161  *
 162  * Timer routines
 163  */
 164
 165 __inline__ void
 166 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
 167 {
 168         init_timer(&vha->timer);
 169         vha->timer.expires = jiffies + interval * HZ;
 170         vha->timer.data = (unsigned long)vha;
 171         vha->timer.function = (void (*)(unsigned long))func;
 172         add_timer(&vha->timer);
 173         vha->timer_active = 1;
 174 }
 175
 176 static inline void
 177 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
 178 {
 179         mod_timer(&vha->timer, jiffies + interval * HZ);
 180 }
 181
 182 static __inline__ void
 183 qla2x00_stop_timer(scsi_qla_host_t *vha)
 184 {
 185         del_timer_sync(&vha->timer);
 186         vha->timer_active = 0;
 187 }
 188
 189 static int qla2x00_do_dpc(void *data);
 190
 191 static void qla2x00_rst_aen(scsi_qla_host_t *);
 192
 193 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
 194         struct req_que **, struct rsp_que **);
 195 static void qla2x00_mem_free(struct qla_hw_data *);
 196 static void qla2x00_sp_free_dma(srb_t *);
 197
 198 /* -------------------------------------------------------------------------- */
 199 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
 200 {
 201         ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
 202                                 GFP_KERNEL);
 203         if (!ha->req_q_map) {
 204                 qla_printk(KERN_WARNING, ha,
 205                         "Unable to allocate memory for request queue ptrs\n");
 206                 goto fail_req_map;
 207         }
 208
 209         ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
 210                                 GFP_KERNEL);
 211         if (!ha->rsp_q_map) {
 212                 qla_printk(KERN_WARNING, ha,
 213                         "Unable to allocate memory for response queue ptrs\n");
 214                 goto fail_rsp_map;
 215         }
 216         set_bit(0, ha->rsp_qid_map);
 217         set_bit(0, ha->req_qid_map);
 218         return 1;
 219
 220 fail_rsp_map:
 221         kfree(ha->req_q_map);
 222         ha->req_q_map = NULL;
 223 fail_req_map:
 224         return -ENOMEM;
 225 }
 226
 227 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 228 {
 229         if (req && req->ring)
 230                 dma_free_coherent(&ha->pdev->dev,
 231                 (req->length + 1) * sizeof(request_t),
 232                 req->ring, req->dma);
 233
 234         kfree(req);
 235         req = NULL;
 236 }
 237
 238 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
 239 {
 240         if (rsp && rsp->ring)
 241                 dma_free_coherent(&ha->pdev->dev,
 242                 (rsp->length + 1) * sizeof(response_t),
 243                 rsp->ring, rsp->dma);
 244
 245         kfree(rsp);
 246         rsp = NULL;
 247 }
 248
 249 static void qla2x00_free_queues(struct qla_hw_data *ha)
 250 {
 251         struct req_que *req;
 252         struct rsp_que *rsp;
 253         int cnt;
 254
 255         for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
 256                 req = ha->req_q_map[cnt];
 257                 qla2x00_free_req_que(ha, req);
 258         }
 259         kfree(ha->req_q_map);
 260         ha->req_q_map = NULL;
 261
 262         for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
 263                 rsp = ha->rsp_q_map[cnt];
 264                 qla2x00_free_rsp_que(ha, rsp);
 265         }
 266         kfree(ha->rsp_q_map);
 267         ha->rsp_q_map = NULL;
 268 }
 269
 270 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
 271 {
 272         uint16_t options = 0;
 273         int ques, req, ret;
 274         struct qla_hw_data *ha = vha->hw;
 275
 276         if (!(ha->fw_attributes & BIT_6)) {
 277                 qla_printk(KERN_INFO, ha,
 278                         "Firmware is not multi-queue capable\n");
 279                 goto fail;
 280         }
 281         if (ql2xmultique_tag) {
 282                 /* create a request queue for IO */
 283                 options |= BIT_7;
 284                 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
 285                         QLA_DEFAULT_QUE_QOS);
 286                 if (!req) {
 287                         qla_printk(KERN_WARNING, ha,
 288                                 "Can't create request queue\n");
 289                         goto fail;
 290                 }
 291                 ha->wq = create_workqueue("qla2xxx_wq");
 292                 vha->req = ha->req_q_map[req];
 293                 options |= BIT_1;
 294                 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
 295                         ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
 296                         if (!ret) {
 297                                 qla_printk(KERN_WARNING, ha,
 298                                         "Response Queue create failed\n");
 299                                 goto fail2;
 300                         }
 301                 }
 302                 ha->flags.cpu_affinity_enabled = 1;
 303
 304                 DEBUG2(qla_printk(KERN_INFO, ha,
 305                         "CPU affinity mode enabled, no. of response"
 306                         " queues:%d, no. of request queues:%d\n",
 307                         ha->max_rsp_queues, ha->max_req_queues));
 308         }
 309         return 0;
 310 fail2:
 311         qla25xx_delete_queues(vha);
 312         destroy_workqueue(ha->wq);
 313         ha->wq = NULL;
 314 fail:
 315         ha->mqenable = 0;
 316         kfree(ha->req_q_map);
 317         kfree(ha->rsp_q_map);
 318         ha->max_req_queues = ha->max_rsp_queues = 1;
 319         return 1;
 320 }
 321
 322 static char *
 323 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
 324 {
 325         struct qla_hw_data *ha = vha->hw;
 326         static char *pci_bus_modes[] = {
 327                 "33", "66", "100", "133",
 328         };
 329         uint16_t pci_bus;
 330
 331         strcpy(str, "PCI");
 332         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 333         if (pci_bus) {
 334                 strcat(str, "-X (");
 335                 strcat(str, pci_bus_modes[pci_bus]);
 336         } else {
 337                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 338                 strcat(str, " (");
 339                 strcat(str, pci_bus_modes[pci_bus]);
 340         }
 341         strcat(str, " MHz)");
 342
 343         return (str);
 344 }
 345
 346 static char *
 347 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
 348 {
 349         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 350         struct qla_hw_data *ha = vha->hw;
 351         uint32_t pci_bus;
 352         int pcie_reg;
 353
 354         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 355         if (pcie_reg) {
 356                 char lwstr[6];
 357                 uint16_t pcie_lstat, lspeed, lwidth;
 358
 359                 pcie_reg += 0x12;
 360                 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 361                 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 362                 lwidth = (pcie_lstat &
 363                     (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 364
 365                 strcpy(str, "PCIe (");
 366                 if (lspeed == 1)
 367                         strcat(str, "2.5GT/s ");
 368                 else if (lspeed == 2)
 369                         strcat(str, "5.0GT/s ");
 370                 else
 371                         strcat(str, "<unknown> ");
 372                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 373                 strcat(str, lwstr);
 374
 375                 return str;
 376         }
 377
 378         strcpy(str, "PCI");
 379         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 380         if (pci_bus == 0 || pci_bus == 8) {
 381                 strcat(str, " (");
 382                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 383         } else {
 384                 strcat(str, "-X ");
 385                 if (pci_bus & BIT_2)
 386                         strcat(str, "Mode 2");
 387                 else
 388                         strcat(str, "Mode 1");
 389                 strcat(str, " (");
 390                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 391         }
 392         strcat(str, " MHz)");
 393
 394         return str;
 395 }
 396
 397 static char *
 398 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
 399 {
 400         char un_str[10];
 401         struct qla_hw_data *ha = vha->hw;
 402
 403         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 404             ha->fw_minor_version,
 405             ha->fw_subminor_version);
 406
 407         if (ha->fw_attributes & BIT_9) {
 408                 strcat(str, "FLX");
 409                 return (str);
 410         }
 411
 412         switch (ha->fw_attributes & 0xFF) {
 413         case 0x7:
 414                 strcat(str, "EF");
 415                 break;
 416         case 0x17:
 417                 strcat(str, "TP");
 418                 break;
 419         case 0x37:
 420                 strcat(str, "IP");
 421                 break;
 422         case 0x77:
 423                 strcat(str, "VI");
 424                 break;
 425         default:
 426                 sprintf(un_str, "(%x)", ha->fw_attributes);
 427                 strcat(str, un_str);
 428                 break;
 429         }
 430         if (ha->fw_attributes & 0x100)
 431                 strcat(str, "X");
 432
 433         return (str);
 434 }
 435
 436 static char *
 437 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
 438 {
 439         struct qla_hw_data *ha = vha->hw;
 440
 441         sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
 442             ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
 443         return str;
 444 }
 445
 446 static inline srb_t *
 447 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
 448     struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 449 {
 450         srb_t *sp;
 451         struct qla_hw_data *ha = vha->hw;
 452
 453         sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
 454         if (!sp)
 455                 return sp;
 456
 457         sp->fcport = fcport;
 458         sp->cmd = cmd;
 459         sp->flags = 0;
 460         CMD_SP(cmd) = (void *)sp;
 461         cmd->scsi_done = done;
 462         sp->ctx = NULL;
 463
 464         return sp;
 465 }
 466
 467 static int
 468 qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 469 {
 470         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 471         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 472         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 473         struct qla_hw_data *ha = vha->hw;
 474         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 475         srb_t *sp;
 476         int rval;
 477
 478         if (ha->flags.eeh_busy) {
 479                 if (ha->flags.pci_channel_io_perm_failure)
 480                         cmd->result = DID_NO_CONNECT << 16;
 481                 else
 482                         cmd->result = DID_REQUEUE << 16;
 483                 goto qc24_fail_command;
 484         }
 485
 486         rval = fc_remote_port_chkready(rport);
 487         if (rval) {
 488                 cmd->result = rval;
 489                 goto qc24_fail_command;
 490         }
 491
 492         /* Close window on fcport/rport state-transitioning. */
 493         if (fcport->drport)
 494                 goto qc24_target_busy;
 495
 496         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 497                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 498                     atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 499                         cmd->result = DID_NO_CONNECT << 16;
 500                         goto qc24_fail_command;
 501                 }
 502                 goto qc24_target_busy;
 503         }
 504
 505         spin_unlock_irq(vha->host->host_lock);
 506
 507         sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
 508         if (!sp)
 509                 goto qc24_host_busy_lock;
 510
 511         rval = ha->isp_ops->start_scsi(sp);
 512         if (rval != QLA_SUCCESS)
 513                 goto qc24_host_busy_free_sp;
 514
 515         spin_lock_irq(vha->host->host_lock);
 516
 517         return 0;
 518
 519 qc24_host_busy_free_sp:
 520         qla2x00_sp_free_dma(sp);
 521         mempool_free(sp, ha->srb_mempool);
 522
 523 qc24_host_busy_lock:
 524         spin_lock_irq(vha->host->host_lock);
 525         return SCSI_MLQUEUE_HOST_BUSY;
 526
 527 qc24_target_busy:
 528         return SCSI_MLQUEUE_TARGET_BUSY;
 529
 530 qc24_fail_command:
 531         done(cmd);
 532
 533         return 0;
 534 }
 535
 536
 537 /*
 538  * qla2x00_eh_wait_on_command
 539  *    Waits for the command to be returned by the Firmware for some
 540  *    max time.
 541  *
 542  * Input:
 543  *    cmd = Scsi Command to wait on.
 544  *
 545  * Return:
 546  *    Not Found : 0
 547  *    Found : 1
 548  */
 549 static int
 550 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
 551 {
 552 #define ABORT_POLLING_PERIOD    1000
 553 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 554         unsigned long wait_iter = ABORT_WAIT_ITER;
 555         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 556         struct qla_hw_data *ha = vha->hw;
 557         int ret = QLA_SUCCESS;
 558
 559         if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
 560                 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
 561                 return ret;
 562         }
 563
 564         while (CMD_SP(cmd) && wait_iter--) {
 565                 msleep(ABORT_POLLING_PERIOD);
 566         }
 567         if (CMD_SP(cmd))
 568                 ret = QLA_FUNCTION_FAILED;
 569
 570         return ret;
 571 }
 572
 573 /*
 574  * qla2x00_wait_for_hba_online
 575  *    Wait till the HBA is online after going through
 576  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 577  *    finally HBA is disabled ie marked offline
 578  *
 579  * Input:
 580  *     ha - pointer to host adapter structure
 581  *
 582  * Note:
 583  *    Does context switching-Release SPIN_LOCK
 584  *    (if any) before calling this routine.
 585  *
 586  * Return:
 587  *    Success (Adapter is online) : 0
 588  *    Failed  (Adapter is offline/disabled) : 1
 589  */
 590 int
 591 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
 592 {
 593         int             return_status;
 594         unsigned long   wait_online;
 595         struct qla_hw_data *ha = vha->hw;
 596         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 597
 598         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 599         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 600             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 601             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 602             ha->dpc_active) && time_before(jiffies, wait_online)) {
 603
 604                 msleep(1000);
 605         }
 606         if (base_vha->flags.online)
 607                 return_status = QLA_SUCCESS;
 608         else
 609                 return_status = QLA_FUNCTION_FAILED;
 610
 611         return (return_status);
 612 }
 613
 614 int
 615 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
 616 {
 617         int             return_status;
 618         unsigned long   wait_reset;
 619         struct qla_hw_data *ha = vha->hw;
 620         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 621
 622         wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 623         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 624             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 625             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 626             ha->dpc_active) && time_before(jiffies, wait_reset)) {
 627
 628                 msleep(1000);
 629
 630                 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
 631                     ha->flags.chip_reset_done)
 632                         break;
 633         }
 634         if (ha->flags.chip_reset_done)
 635                 return_status = QLA_SUCCESS;
 636         else
 637                 return_status = QLA_FUNCTION_FAILED;
 638
 639         return return_status;
 640 }
 641
 642 /*
 643  * qla2x00_wait_for_loop_ready
 644  *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 645  *    to be in LOOP_READY state.
 646  * Input:
 647  *     ha - pointer to host adapter structure
 648  *
 649  * Note:
 650  *    Does context switching-Release SPIN_LOCK
 651  *    (if any) before calling this routine.
 652  *
 653  *
 654  * Return:
 655  *    Success (LOOP_READY) : 0
 656  *    Failed  (LOOP_NOT_READY) : 1
 657  */
 658 static inline int
 659 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
 660 {
 661         int      return_status = QLA_SUCCESS;
 662         unsigned long loop_timeout ;
 663         struct qla_hw_data *ha = vha->hw;
 664         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 665
 666         /* wait for 5 min at the max for loop to be ready */
 667         loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 668
 669         while ((!atomic_read(&base_vha->loop_down_timer) &&
 670             atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
 671             atomic_read(&base_vha->loop_state) != LOOP_READY) {
 672                 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 673                         return_status = QLA_FUNCTION_FAILED;
 674                         break;
 675                 }
 676                 msleep(1000);
 677                 if (time_after_eq(jiffies, loop_timeout)) {
 678                         return_status = QLA_FUNCTION_FAILED;
 679                         break;
 680                 }
 681         }
 682         return (return_status);
 683 }
 684
 685 void
 686 qla2x00_abort_fcport_cmds(fc_port_t *fcport)
 687 {
 688         int cnt;
 689         unsigned long flags;
 690         srb_t *sp;
 691         scsi_qla_host_t *vha = fcport->vha;
 692         struct qla_hw_data *ha = vha->hw;
 693         struct req_que *req;
 694
 695         spin_lock_irqsave(&ha->hardware_lock, flags);
 696         req = vha->req;
 697         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 698                 sp = req->outstanding_cmds[cnt];
 699                 if (!sp)
 700                         continue;
 701                 if (sp->fcport != fcport)
 702                         continue;
 703                 if (sp->ctx)
 704                         continue;
 705
 706                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 707                 if (ha->isp_ops->abort_command(sp)) {
 708                         DEBUG2(qla_printk(KERN_WARNING, ha,
 709                         "Abort failed --  %lx\n",
 710                         sp->cmd->serial_number));
 711                 } else {
 712                         if (qla2x00_eh_wait_on_command(sp->cmd) !=
 713                                 QLA_SUCCESS)
 714                                 DEBUG2(qla_printk(KERN_WARNING, ha,
 715                                 "Abort failed while waiting --  %lx\n",
 716                                 sp->cmd->serial_number));
 717                 }
 718                 spin_lock_irqsave(&ha->hardware_lock, flags);
 719         }
 720         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 721 }
 722
 723 /**************************************************************************
 724 * qla2xxx_eh_abort
 725 *
 726 * Description:
 727 *    The abort function will abort the specified command.
 728 *
 729 * Input:
 730 *    cmd = Linux SCSI command packet to be aborted.
 731 *
 732 * Returns:
 733 *    Either SUCCESS or FAILED.
 734 *
 735 * Note:
 736 *    Only return FAILED if command not returned by firmware.
 737 **************************************************************************/
 738 static int
 739 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 740 {
 741         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 742         srb_t *sp;
 743         int ret, i;
 744         unsigned int id, lun;
 745         unsigned long serial;
 746         unsigned long flags;
 747         int wait = 0;
 748         struct qla_hw_data *ha = vha->hw;
 749         struct req_que *req = vha->req;
 750         srb_t *spt;
 751
 752         fc_block_scsi_eh(cmd);
 753
 754         if (!CMD_SP(cmd))
 755                 return SUCCESS;
 756
 757         ret = SUCCESS;
 758
 759         id = cmd->device->id;
 760         lun = cmd->device->lun;
 761         serial = cmd->serial_number;
 762         spt = (srb_t *) CMD_SP(cmd);
 763         if (!spt)
 764                 return SUCCESS;
 765
 766         /* Check active list for command command. */
 767         spin_lock_irqsave(&ha->hardware_lock, flags);
 768         for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
 769                 sp = req->outstanding_cmds[i];
 770
 771                 if (sp == NULL)
 772                         continue;
 773                 if (sp->ctx)
 774                         continue;
 775                 if (sp->cmd != cmd)
 776                         continue;
 777
 778                 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
 779                 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
 780
 781                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 782                 if (ha->isp_ops->abort_command(sp)) {
 783                         DEBUG2(printk("%s(%ld): abort_command "
 784                         "mbx failed.\n", __func__, vha->host_no));
 785                         ret = FAILED;
 786                 } else {
 787                         DEBUG3(printk("%s(%ld): abort_command "
 788                         "mbx success.\n", __func__, vha->host_no));
 789                         wait = 1;
 790                 }
 791                 spin_lock_irqsave(&ha->hardware_lock, flags);
 792                 break;
 793         }
 794         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 795
 796         /* Wait for the command to be returned. */
 797         if (wait) {
 798                 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
 799                         qla_printk(KERN_ERR, ha,
 800                             "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
 801                             "%x.\n", vha->host_no, id, lun, serial, ret);
 802                         ret = FAILED;
 803                 }
 804         }
 805
 806         qla_printk(KERN_INFO, ha,
 807             "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
 808             vha->host_no, id, lun, wait, serial, ret);
 809
 810         return ret;
 811 }
 812
 813 enum nexus_wait_type {
 814         WAIT_HOST = 0,
 815         WAIT_TARGET,
 816         WAIT_LUN,
 817 };
 818
 819 static int
 820 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
 821         unsigned int l, srb_t *sp, enum nexus_wait_type type)
 822 {
 823         int cnt, match, status;
 824         unsigned long flags;
 825         struct qla_hw_data *ha = vha->hw;
 826         struct req_que *req;
 827
 828         status = QLA_SUCCESS;
 829         if (!sp)
 830                 return status;
 831
 832         spin_lock_irqsave(&ha->hardware_lock, flags);
 833         req = vha->req;
 834         for (cnt = 1; status == QLA_SUCCESS &&
 835                 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 836                 sp = req->outstanding_cmds[cnt];
 837                 if (!sp)
 838                         continue;
 839                 if (sp->ctx)
 840                         continue;
 841                 if (vha->vp_idx != sp->fcport->vha->vp_idx)
 842                         continue;
 843                 match = 0;
 844                 switch (type) {
 845                 case WAIT_HOST:
 846                         match = 1;
 847                         break;
 848                 case WAIT_TARGET:
 849                         match = sp->cmd->device->id == t;
 850                         break;
 851                 case WAIT_LUN:
 852                         match = (sp->cmd->device->id == t &&
 853                                 sp->cmd->device->lun == l);
 854                         break;
 855                 }
 856                 if (!match)
 857                         continue;
 858
 859                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 860                 status = qla2x00_eh_wait_on_command(sp->cmd);
 861                 spin_lock_irqsave(&ha->hardware_lock, flags);
 862         }
 863         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 864
 865         return status;
 866 }
 867
 868 static char *reset_errors[] = {
 869         "HBA not online",
 870         "HBA not ready",
 871         "Task management failed",
 872         "Waiting for command completions",
 873 };
 874
 875 static int
 876 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
 877     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
 878 {
 879         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 880         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 881         int err;
 882
 883         fc_block_scsi_eh(cmd);
 884
 885         if (!fcport)
 886                 return FAILED;
 887
 888         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
 889             vha->host_no, cmd->device->id, cmd->device->lun, name);
 890
 891         err = 0;
 892         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
 893                 goto eh_reset_failed;
 894         err = 1;
 895         if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
 896                 goto eh_reset_failed;
 897         err = 2;
 898         if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
 899                 != QLA_SUCCESS)
 900                 goto eh_reset_failed;
 901         err = 3;
 902         if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
 903             cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
 904                 goto eh_reset_failed;
 905
 906         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
 907             vha->host_no, cmd->device->id, cmd->device->lun, name);
 908
 909         return SUCCESS;
 910
 911  eh_reset_failed:
 912         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
 913             , vha->host_no, cmd->device->id, cmd->device->lun, name,
 914             reset_errors[err]);
 915         return FAILED;
 916 }
 917
 918 static int
 919 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
 920 {
 921         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 922         struct qla_hw_data *ha = vha->hw;
 923
 924         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
 925             ha->isp_ops->lun_reset);
 926 }
 927
 928 static int
 929 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
 930 {
 931         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 932         struct qla_hw_data *ha = vha->hw;
 933
 934         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
 935             ha->isp_ops->target_reset);
 936 }
 937
 938 /**************************************************************************
 939 * qla2xxx_eh_bus_reset
 940 *
 941 * Description:
 942 *    The bus reset function will reset the bus and abort any executing
 943 *    commands.
 944 *
 945 * Input:
 946 *    cmd = Linux SCSI command packet of the command that cause the
 947 *          bus reset.
 948 *
 949 * Returns:
 950 *    SUCCESS/FAILURE (defined as macro in scsi.h).
 951 *
 952 **************************************************************************/
 953 static int
 954 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 955 {
 956         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 957         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 958         int ret = FAILED;
 959         unsigned int id, lun;
 960         unsigned long serial;
 961         srb_t *sp = (srb_t *) CMD_SP(cmd);
 962
 963         fc_block_scsi_eh(cmd);
 964
 965         id = cmd->device->id;
 966         lun = cmd->device->lun;
 967         serial = cmd->serial_number;
 968
 969         if (!fcport)
 970                 return ret;
 971
 972         qla_printk(KERN_INFO, vha->hw,
 973             "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
 974
 975         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 976                 DEBUG2(printk("%s failed:board disabled\n",__func__));
 977                 goto eh_bus_reset_done;
 978         }
 979
 980         if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
 981                 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
 982                         ret = SUCCESS;
 983         }
 984         if (ret == FAILED)
 985                 goto eh_bus_reset_done;
 986
 987         /* Flush outstanding commands. */
 988         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
 989             QLA_SUCCESS)
 990                 ret = FAILED;
 991
 992 eh_bus_reset_done:
 993         qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
 994             (ret == FAILED) ? "failed" : "succeded");
 995
 996         return ret;
 997 }
 998
 999 /**************************************************************************
1000 * qla2xxx_eh_host_reset
1001 *
1002 * Description:
1003 *    The reset function will reset the Adapter.
1004 *
1005 * Input:
1006 *      cmd = Linux SCSI command packet of the command that cause the
1007 *            adapter reset.
1008 *
1009 * Returns:
1010 *      Either SUCCESS or FAILED.
1011 *
1012 * Note:
1013 **************************************************************************/
1014 static int
1015 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1016 {
1017         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1018         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1019         struct qla_hw_data *ha = vha->hw;
1020         int ret = FAILED;
1021         unsigned int id, lun;
1022         unsigned long serial;
1023         srb_t *sp = (srb_t *) CMD_SP(cmd);
1024         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1025
1026         fc_block_scsi_eh(cmd);
1027
1028         id = cmd->device->id;
1029         lun = cmd->device->lun;
1030         serial = cmd->serial_number;
1031
1032         if (!fcport)
1033                 return ret;
1034
1035         qla_printk(KERN_INFO, ha,
1036             "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1037
1038         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1039                 goto eh_host_reset_lock;
1040
1041         /*
1042          * Fixme-may be dpc thread is active and processing
1043          * loop_resync,so wait a while for it to
1044          * be completed and then issue big hammer.Otherwise
1045          * it may cause I/O failure as big hammer marks the
1046          * devices as lost kicking of the port_down_timer
1047          * while dpc is stuck for the mailbox to complete.
1048          */
1049         qla2x00_wait_for_loop_ready(vha);
1050         if (vha != base_vha) {
1051                 if (qla2x00_vp_abort_isp(vha))
1052                         goto eh_host_reset_lock;
1053         } else {
1054                 if (ha->wq)
1055                         flush_workqueue(ha->wq);
1056
1057                 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1058                 if (qla2x00_abort_isp(base_vha)) {
1059                         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1060                         /* failed. schedule dpc to try */
1061                         set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1062
1063                         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1064                                 goto eh_host_reset_lock;
1065                 }
1066                 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1067         }
1068
1069         /* Waiting for command to be returned to OS.*/
1070         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
1071                 QLA_SUCCESS)
1072                 ret = SUCCESS;
1073
1074 eh_host_reset_lock:
1075         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1076             (ret == FAILED) ? "failed" : "succeded");
1077
1078         return ret;
1079 }
1080
1081 /*
1082 * qla2x00_loop_reset
1083 *      Issue loop reset.
1084 *
1085 * Input:
1086 *      ha = adapter block pointer.
1087 *
1088 * Returns:
1089 *      0 = success
1090 */
1091 int
1092 qla2x00_loop_reset(scsi_qla_host_t *vha)
1093 {
1094         int ret;
1095         struct fc_port *fcport;
1096         struct qla_hw_data *ha = vha->hw;
1097
1098         if (ha->flags.enable_lip_full_login && !IS_QLA81XX(ha)) {
1099                 ret = qla2x00_full_login_lip(vha);
1100                 if (ret != QLA_SUCCESS) {
1101                         DEBUG2_3(printk("%s(%ld): failed: "
1102                             "full_login_lip=%d.\n", __func__, vha->host_no,
1103                             ret));
1104                 }
1105                 atomic_set(&vha->loop_state, LOOP_DOWN);
1106                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1107                 qla2x00_mark_all_devices_lost(vha, 0);
1108                 qla2x00_wait_for_loop_ready(vha);
1109         }
1110
1111         if (ha->flags.enable_lip_reset) {
1112                 ret = qla2x00_lip_reset(vha);
1113                 if (ret != QLA_SUCCESS) {
1114                         DEBUG2_3(printk("%s(%ld): failed: "
1115                             "lip_reset=%d.\n", __func__, vha->host_no, ret));
1116                 } else
1117                         qla2x00_wait_for_loop_ready(vha);
1118         }
1119
1120         if (ha->flags.enable_target_reset) {
1121                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1122                         if (fcport->port_type != FCT_TARGET)
1123                                 continue;
1124
1125                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
1126                         if (ret != QLA_SUCCESS) {
1127                                 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1128                                     "target_reset=%d d_id=%x.\n", __func__,
1129                                     vha->host_no, ret, fcport->d_id.b24));
1130                         }
1131                 }
1132         }
1133         /* Issue marker command only when we are going to start the I/O */
1134         vha->marker_needed = 1;
1135
1136         return QLA_SUCCESS;
1137 }
1138
1139 void
1140 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1141 {
1142         int que, cnt;
1143         unsigned long flags;
1144         srb_t *sp;
1145         struct srb_ctx *ctx;
1146         struct qla_hw_data *ha = vha->hw;
1147         struct req_que *req;
1148
1149         spin_lock_irqsave(&ha->hardware_lock, flags);
1150         for (que = 0; que < ha->max_req_queues; que++) {
1151                 req = ha->req_q_map[que];
1152                 if (!req)
1153                         continue;
1154                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1155                         sp = req->outstanding_cmds[cnt];
1156                         if (sp) {
1157                                 req->outstanding_cmds[cnt] = NULL;
1158                                 if (!sp->ctx) {
1159                                         sp->cmd->result = res;
1160                                         qla2x00_sp_compl(ha, sp);
1161                                 } else {
1162                                         ctx = sp->ctx;
1163                                         if (ctx->type == SRB_LOGIN_CMD || ctx->type == SRB_LOGOUT_CMD) {
1164                                                 del_timer_sync(&ctx->timer);
1165                                                 ctx->free(sp);
1166                                         } else {
1167                                                 struct srb_bsg* sp_bsg = (struct srb_bsg*)sp->ctx;
1168                                                 if (sp_bsg->bsg_job->request->msgcode == FC_BSG_HST_CT)
1169                                                         kfree(sp->fcport);
1170                                                 sp_bsg->bsg_job->req->errors = 0;
1171                                                 sp_bsg->bsg_job->reply->result = res;
1172                                                 sp_bsg->bsg_job->job_done(sp_bsg->bsg_job);
1173                                                 kfree(sp->ctx);
1174                                                 mempool_free(sp, ha->srb_mempool);
1175                                         }
1176                                 }
1177                         }
1178                 }
1179         }
1180         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1181 }
1182
1183 static int
1184 qla2xxx_slave_alloc(struct scsi_device *sdev)
1185 {
1186         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1187
1188         if (!rport || fc_remote_port_chkready(rport))
1189                 return -ENXIO;
1190
1191         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1192
1193         return 0;
1194 }
1195
1196 static int
1197 qla2xxx_slave_configure(struct scsi_device *sdev)
1198 {
1199         scsi_qla_host_t *vha = shost_priv(sdev->host);
1200         struct qla_hw_data *ha = vha->hw;
1201         struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1202         struct req_que *req = vha->req;
1203
1204         if (sdev->tagged_supported)
1205                 scsi_activate_tcq(sdev, req->max_q_depth);
1206         else
1207                 scsi_deactivate_tcq(sdev, req->max_q_depth);
1208
1209         rport->dev_loss_tmo = ha->port_down_retry_count;
1210
1211         return 0;
1212 }
1213
1214 static void
1215 qla2xxx_slave_destroy(struct scsi_device *sdev)
1216 {
1217         sdev->hostdata = NULL;
1218 }
1219
1220 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1221 {
1222         fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1223
1224         if (!scsi_track_queue_full(sdev, qdepth))
1225                 return;
1226
1227         DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1228                 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1229                 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1230                 sdev->queue_depth));
1231 }
1232
1233 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1234 {
1235         fc_port_t *fcport = sdev->hostdata;
1236         struct scsi_qla_host *vha = fcport->vha;
1237         struct qla_hw_data *ha = vha->hw;
1238         struct req_que *req = NULL;
1239
1240         req = vha->req;
1241         if (!req)
1242                 return;
1243
1244         if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1245                 return;
1246
1247         if (sdev->ordered_tags)
1248                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1249         else
1250                 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1251
1252         DEBUG2(qla_printk(KERN_INFO, ha,
1253                "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1254                fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1255                sdev->queue_depth));
1256 }
1257
1258 static int
1259 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1260 {
1261         switch (reason) {
1262         case SCSI_QDEPTH_DEFAULT:
1263                 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1264                 break;
1265         case SCSI_QDEPTH_QFULL:
1266                 qla2x00_handle_queue_full(sdev, qdepth);
1267                 break;
1268         case SCSI_QDEPTH_RAMP_UP:
1269                 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1270                 break;
1271         default:
1272                 return -EOPNOTSUPP;
1273         }
1274
1275         return sdev->queue_depth;
1276 }
1277
1278 static int
1279 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1280 {
1281         if (sdev->tagged_supported) {
1282                 scsi_set_tag_type(sdev, tag_type);
1283                 if (tag_type)
1284                         scsi_activate_tcq(sdev, sdev->queue_depth);
1285                 else
1286                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1287         } else
1288                 tag_type = 0;
1289
1290         return tag_type;
1291 }
1292
1293 /**
1294  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1295  * @ha: HA context
1296  *
1297  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1298  * supported addressing method.
1299  */
1300 static void
1301 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1302 {
1303         /* Assume a 32bit DMA mask. */
1304         ha->flags.enable_64bit_addressing = 0;
1305
1306         if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1307                 /* Any upper-dword bits set? */
1308                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1309                     !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1310                         /* Ok, a 64bit DMA mask is applicable. */
1311                         ha->flags.enable_64bit_addressing = 1;
1312                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1313                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1314                         return;
1315                 }
1316         }
1317
1318         dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1319         pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1320 }
1321
1322 static void
1323 qla2x00_enable_intrs(struct qla_hw_data *ha)
1324 {
1325         unsigned long flags = 0;
1326         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1327
1328         spin_lock_irqsave(&ha->hardware_lock, flags);
1329         ha->interrupts_on = 1;
1330         /* enable risc and host interrupts */
1331         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1332         RD_REG_WORD(&reg->ictrl);
1333         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1334
1335 }
1336
1337 static void
1338 qla2x00_disable_intrs(struct qla_hw_data *ha)
1339 {
1340         unsigned long flags = 0;
1341         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1342
1343         spin_lock_irqsave(&ha->hardware_lock, flags);
1344         ha->interrupts_on = 0;
1345         /* disable risc and host interrupts */
1346         WRT_REG_WORD(&reg->ictrl, 0);
1347         RD_REG_WORD(&reg->ictrl);
1348         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1349 }
1350
1351 static void
1352 qla24xx_enable_intrs(struct qla_hw_data *ha)
1353 {
1354         unsigned long flags = 0;
1355         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1356
1357         spin_lock_irqsave(&ha->hardware_lock, flags);
1358         ha->interrupts_on = 1;
1359         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1360         RD_REG_DWORD(&reg->ictrl);
1361         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1362 }
1363
1364 static void
1365 qla24xx_disable_intrs(struct qla_hw_data *ha)
1366 {
1367         unsigned long flags = 0;
1368         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1369
1370         if (IS_NOPOLLING_TYPE(ha))
1371                 return;
1372         spin_lock_irqsave(&ha->hardware_lock, flags);
1373         ha->interrupts_on = 0;
1374         WRT_REG_DWORD(&reg->ictrl, 0);
1375         RD_REG_DWORD(&reg->ictrl);
1376         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1377 }
1378
1379 static struct isp_operations qla2100_isp_ops = {
1380         .pci_config             = qla2100_pci_config,
1381         .reset_chip             = qla2x00_reset_chip,
1382         .chip_diag              = qla2x00_chip_diag,
1383         .config_rings           = qla2x00_config_rings,
1384         .reset_adapter          = qla2x00_reset_adapter,
1385         .nvram_config           = qla2x00_nvram_config,
1386         .update_fw_options      = qla2x00_update_fw_options,
1387         .load_risc              = qla2x00_load_risc,
1388         .pci_info_str           = qla2x00_pci_info_str,
1389         .fw_version_str         = qla2x00_fw_version_str,
1390         .intr_handler           = qla2100_intr_handler,
1391         .enable_intrs           = qla2x00_enable_intrs,
1392         .disable_intrs          = qla2x00_disable_intrs,
1393         .abort_command          = qla2x00_abort_command,
1394         .target_reset           = qla2x00_abort_target,
1395         .lun_reset              = qla2x00_lun_reset,
1396         .fabric_login           = qla2x00_login_fabric,
1397         .fabric_logout          = qla2x00_fabric_logout,
1398         .calc_req_entries       = qla2x00_calc_iocbs_32,
1399         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1400         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1401         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1402         .read_nvram             = qla2x00_read_nvram_data,
1403         .write_nvram            = qla2x00_write_nvram_data,
1404         .fw_dump                = qla2100_fw_dump,
1405         .beacon_on              = NULL,
1406         .beacon_off             = NULL,
1407         .beacon_blink           = NULL,
1408         .read_optrom            = qla2x00_read_optrom_data,
1409         .write_optrom           = qla2x00_write_optrom_data,
1410         .get_flash_version      = qla2x00_get_flash_version,
1411         .start_scsi             = qla2x00_start_scsi,
1412 };
1413
1414 static struct isp_operations qla2300_isp_ops = {
1415         .pci_config             = qla2300_pci_config,
1416         .reset_chip             = qla2x00_reset_chip,
1417         .chip_diag              = qla2x00_chip_diag,
1418         .config_rings           = qla2x00_config_rings,
1419         .reset_adapter          = qla2x00_reset_adapter,
1420         .nvram_config           = qla2x00_nvram_config,
1421         .update_fw_options      = qla2x00_update_fw_options,
1422         .load_risc              = qla2x00_load_risc,
1423         .pci_info_str           = qla2x00_pci_info_str,
1424         .fw_version_str         = qla2x00_fw_version_str,
1425         .intr_handler           = qla2300_intr_handler,
1426         .enable_intrs           = qla2x00_enable_intrs,
1427         .disable_intrs          = qla2x00_disable_intrs,
1428         .abort_command          = qla2x00_abort_command,
1429         .target_reset           = qla2x00_abort_target,
1430         .lun_reset              = qla2x00_lun_reset,
1431         .fabric_login           = qla2x00_login_fabric,
1432         .fabric_logout          = qla2x00_fabric_logout,
1433         .calc_req_entries       = qla2x00_calc_iocbs_32,
1434         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1435         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1436         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1437         .read_nvram             = qla2x00_read_nvram_data,
1438         .write_nvram            = qla2x00_write_nvram_data,
1439         .fw_dump                = qla2300_fw_dump,
1440         .beacon_on              = qla2x00_beacon_on,
1441         .beacon_off             = qla2x00_beacon_off,
1442         .beacon_blink           = qla2x00_beacon_blink,
1443         .read_optrom            = qla2x00_read_optrom_data,
1444         .write_optrom           = qla2x00_write_optrom_data,
1445         .get_flash_version      = qla2x00_get_flash_version,
1446         .start_scsi             = qla2x00_start_scsi,
1447 };
1448
1449 static struct isp_operations qla24xx_isp_ops = {
1450         .pci_config             = qla24xx_pci_config,
1451         .reset_chip             = qla24xx_reset_chip,
1452         .chip_diag              = qla24xx_chip_diag,
1453         .config_rings           = qla24xx_config_rings,
1454         .reset_adapter          = qla24xx_reset_adapter,
1455         .nvram_config           = qla24xx_nvram_config,
1456         .update_fw_options      = qla24xx_update_fw_options,
1457         .load_risc              = qla24xx_load_risc,
1458         .pci_info_str           = qla24xx_pci_info_str,
1459         .fw_version_str         = qla24xx_fw_version_str,
1460         .intr_handler           = qla24xx_intr_handler,
1461         .enable_intrs           = qla24xx_enable_intrs,
1462         .disable_intrs          = qla24xx_disable_intrs,
1463         .abort_command          = qla24xx_abort_command,
1464         .target_reset           = qla24xx_abort_target,
1465         .lun_reset              = qla24xx_lun_reset,
1466         .fabric_login           = qla24xx_login_fabric,
1467         .fabric_logout          = qla24xx_fabric_logout,
1468         .calc_req_entries       = NULL,
1469         .build_iocbs            = NULL,
1470         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1471         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1472         .read_nvram             = qla24xx_read_nvram_data,
1473         .write_nvram            = qla24xx_write_nvram_data,
1474         .fw_dump                = qla24xx_fw_dump,
1475         .beacon_on              = qla24xx_beacon_on,
1476         .beacon_off             = qla24xx_beacon_off,
1477         .beacon_blink           = qla24xx_beacon_blink,
1478         .read_optrom            = qla24xx_read_optrom_data,
1479         .write_optrom           = qla24xx_write_optrom_data,
1480         .get_flash_version      = qla24xx_get_flash_version,
1481         .start_scsi             = qla24xx_start_scsi,
1482 };
1483
1484 static struct isp_operations qla25xx_isp_ops = {
1485         .pci_config             = qla25xx_pci_config,
1486         .reset_chip             = qla24xx_reset_chip,
1487         .chip_diag              = qla24xx_chip_diag,
1488         .config_rings           = qla24xx_config_rings,
1489         .reset_adapter          = qla24xx_reset_adapter,
1490         .nvram_config           = qla24xx_nvram_config,
1491         .update_fw_options      = qla24xx_update_fw_options,
1492         .load_risc              = qla24xx_load_risc,
1493         .pci_info_str           = qla24xx_pci_info_str,
1494         .fw_version_str         = qla24xx_fw_version_str,
1495         .intr_handler           = qla24xx_intr_handler,
1496         .enable_intrs           = qla24xx_enable_intrs,
1497         .disable_intrs          = qla24xx_disable_intrs,
1498         .abort_command          = qla24xx_abort_command,
1499         .target_reset           = qla24xx_abort_target,
1500         .lun_reset              = qla24xx_lun_reset,
1501         .fabric_login           = qla24xx_login_fabric,
1502         .fabric_logout          = qla24xx_fabric_logout,
1503         .calc_req_entries       = NULL,
1504         .build_iocbs            = NULL,
1505         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1506         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1507         .read_nvram             = qla25xx_read_nvram_data,
1508         .write_nvram            = qla25xx_write_nvram_data,
1509         .fw_dump                = qla25xx_fw_dump,
1510         .beacon_on              = qla24xx_beacon_on,
1511         .beacon_off             = qla24xx_beacon_off,
1512         .beacon_blink           = qla24xx_beacon_blink,
1513         .read_optrom            = qla25xx_read_optrom_data,
1514         .write_optrom           = qla24xx_write_optrom_data,
1515         .get_flash_version      = qla24xx_get_flash_version,
1516         .start_scsi             = qla24xx_start_scsi,
1517 };
1518
1519 static struct isp_operations qla81xx_isp_ops = {
1520         .pci_config             = qla25xx_pci_config,
1521         .reset_chip             = qla24xx_reset_chip,
1522         .chip_diag              = qla24xx_chip_diag,
1523         .config_rings           = qla24xx_config_rings,
1524         .reset_adapter          = qla24xx_reset_adapter,
1525         .nvram_config           = qla81xx_nvram_config,
1526         .update_fw_options      = qla81xx_update_fw_options,
1527         .load_risc              = qla81xx_load_risc,
1528         .pci_info_str           = qla24xx_pci_info_str,
1529         .fw_version_str         = qla24xx_fw_version_str,
1530         .intr_handler           = qla24xx_intr_handler,
1531         .enable_intrs           = qla24xx_enable_intrs,
1532         .disable_intrs          = qla24xx_disable_intrs,
1533         .abort_command          = qla24xx_abort_command,
1534         .target_reset           = qla24xx_abort_target,
1535         .lun_reset              = qla24xx_lun_reset,
1536         .fabric_login           = qla24xx_login_fabric,
1537         .fabric_logout          = qla24xx_fabric_logout,
1538         .calc_req_entries       = NULL,
1539         .build_iocbs            = NULL,
1540         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1541         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1542         .read_nvram             = NULL,
1543         .write_nvram            = NULL,
1544         .fw_dump                = qla81xx_fw_dump,
1545         .beacon_on              = qla24xx_beacon_on,
1546         .beacon_off             = qla24xx_beacon_off,
1547         .beacon_blink           = qla24xx_beacon_blink,
1548         .read_optrom            = qla25xx_read_optrom_data,
1549         .write_optrom           = qla24xx_write_optrom_data,
1550         .get_flash_version      = qla24xx_get_flash_version,
1551         .start_scsi             = qla24xx_start_scsi,
1552 };
1553
1554 static inline void
1555 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1556 {
1557         ha->device_type = DT_EXTENDED_IDS;
1558         switch (ha->pdev->device) {
1559         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1560                 ha->device_type |= DT_ISP2100;
1561                 ha->device_type &= ~DT_EXTENDED_IDS;
1562                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1563                 break;
1564         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1565                 ha->device_type |= DT_ISP2200;
1566                 ha->device_type &= ~DT_EXTENDED_IDS;
1567                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1568                 break;
1569         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1570                 ha->device_type |= DT_ISP2300;
1571                 ha->device_type |= DT_ZIO_SUPPORTED;
1572                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1573                 break;
1574         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1575                 ha->device_type |= DT_ISP2312;
1576                 ha->device_type |= DT_ZIO_SUPPORTED;
1577                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1578                 break;
1579         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1580                 ha->device_type |= DT_ISP2322;
1581                 ha->device_type |= DT_ZIO_SUPPORTED;
1582                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1583                     ha->pdev->subsystem_device == 0x0170)
1584                         ha->device_type |= DT_OEM_001;
1585                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1586                 break;
1587         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1588                 ha->device_type |= DT_ISP6312;
1589                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1590                 break;
1591         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1592                 ha->device_type |= DT_ISP6322;
1593                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1594                 break;
1595         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1596                 ha->device_type |= DT_ISP2422;
1597                 ha->device_type |= DT_ZIO_SUPPORTED;
1598                 ha->device_type |= DT_FWI2;
1599                 ha->device_type |= DT_IIDMA;
1600                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1601                 break;
1602         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1603                 ha->device_type |= DT_ISP2432;
1604                 ha->device_type |= DT_ZIO_SUPPORTED;
1605                 ha->device_type |= DT_FWI2;
1606                 ha->device_type |= DT_IIDMA;
1607                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1608                 break;
1609         case PCI_DEVICE_ID_QLOGIC_ISP8432:
1610                 ha->device_type |= DT_ISP8432;
1611                 ha->device_type |= DT_ZIO_SUPPORTED;
1612                 ha->device_type |= DT_FWI2;
1613                 ha->device_type |= DT_IIDMA;
1614                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1615                 break;
1616         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1617                 ha->device_type |= DT_ISP5422;
1618                 ha->device_type |= DT_FWI2;
1619                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1620                 break;
1621         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1622                 ha->device_type |= DT_ISP5432;
1623                 ha->device_type |= DT_FWI2;
1624                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1625                 break;
1626         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1627                 ha->device_type |= DT_ISP2532;
1628                 ha->device_type |= DT_ZIO_SUPPORTED;
1629                 ha->device_type |= DT_FWI2;
1630                 ha->device_type |= DT_IIDMA;
1631                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1632                 break;
1633         case PCI_DEVICE_ID_QLOGIC_ISP8001:
1634                 ha->device_type |= DT_ISP8001;
1635                 ha->device_type |= DT_ZIO_SUPPORTED;
1636                 ha->device_type |= DT_FWI2;
1637                 ha->device_type |= DT_IIDMA;
1638                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1639                 break;
1640         }
1641
1642         /* Get adapter physical port no from interrupt pin register. */
1643         pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1644         if (ha->port_no & 1)
1645                 ha->flags.port0 = 1;
1646         else
1647                 ha->flags.port0 = 0;
1648 }
1649
1650 static int
1651 qla2x00_iospace_config(struct qla_hw_data *ha)
1652 {
1653         resource_size_t pio;
1654         uint16_t msix;
1655         int cpus;
1656
1657         if (pci_request_selected_regions(ha->pdev, ha->bars,
1658             QLA2XXX_DRIVER_NAME)) {
1659                 qla_printk(KERN_WARNING, ha,
1660                     "Failed to reserve PIO/MMIO regions (%s)\n",
1661                     pci_name(ha->pdev));
1662
1663                 goto iospace_error_exit;
1664         }
1665         if (!(ha->bars & 1))
1666                 goto skip_pio;
1667
1668         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1669         pio = pci_resource_start(ha->pdev, 0);
1670         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1671                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1672                         qla_printk(KERN_WARNING, ha,
1673                             "Invalid PCI I/O region size (%s)...\n",
1674                                 pci_name(ha->pdev));
1675                         pio = 0;
1676                 }
1677         } else {
1678                 qla_printk(KERN_WARNING, ha,
1679                     "region #0 not a PIO resource (%s)...\n",
1680                     pci_name(ha->pdev));
1681                 pio = 0;
1682         }
1683         ha->pio_address = pio;
1684
1685 skip_pio:
1686         /* Use MMIO operations for all accesses. */
1687         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1688                 qla_printk(KERN_ERR, ha,
1689                     "region #1 not an MMIO resource (%s), aborting\n",
1690                     pci_name(ha->pdev));
1691                 goto iospace_error_exit;
1692         }
1693         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1694                 qla_printk(KERN_ERR, ha,
1695                     "Invalid PCI mem region size (%s), aborting\n",
1696                         pci_name(ha->pdev));
1697                 goto iospace_error_exit;
1698         }
1699
1700         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1701         if (!ha->iobase) {
1702                 qla_printk(KERN_ERR, ha,
1703                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1704
1705                 goto iospace_error_exit;
1706         }
1707
1708         /* Determine queue resources */
1709         ha->max_req_queues = ha->max_rsp_queues = 1;
1710         if ((ql2xmaxqueues <= 1 || ql2xmultique_tag < 1) &&
1711                 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1712                 goto mqiobase_exit;
1713         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1714                         pci_resource_len(ha->pdev, 3));
1715         if (ha->mqiobase) {
1716                 /* Read MSIX vector size of the board */
1717                 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1718                 ha->msix_count = msix;
1719                 /* Max queues are bounded by available msix vectors */
1720                 /* queue 0 uses two msix vectors */
1721                 if (ql2xmultique_tag) {
1722                         cpus = num_online_cpus();
1723                         ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1724                                 (cpus + 1) : (ha->msix_count - 1);
1725                         ha->max_req_queues = 2;
1726                 } else if (ql2xmaxqueues > 1) {
1727                         ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1728                                                 QLA_MQ_SIZE : ql2xmaxqueues;
1729                         DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1730                         " of request queues:%d\n", ha->max_req_queues));
1731                 }
1732                 qla_printk(KERN_INFO, ha,
1733                         "MSI-X vector count: %d\n", msix);
1734         } else
1735                 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1736
1737 mqiobase_exit:
1738         ha->msix_count = ha->max_rsp_queues + 1;
1739         return (0);
1740
1741 iospace_error_exit:
1742         return (-ENOMEM);
1743 }
1744
1745 static void
1746 qla2xxx_scan_start(struct Scsi_Host *shost)
1747 {
1748         scsi_qla_host_t *vha = shost_priv(shost);
1749
1750         if (vha->hw->flags.running_gold_fw)
1751                 return;
1752
1753         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1754         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1755         set_bit(RSCN_UPDATE, &vha->dpc_flags);
1756         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1757 }
1758
1759 static int
1760 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1761 {
1762         scsi_qla_host_t *vha = shost_priv(shost);
1763
1764         if (!vha->host)
1765                 return 1;
1766         if (time > vha->hw->loop_reset_delay * HZ)
1767                 return 1;
1768
1769         return atomic_read(&vha->loop_state) == LOOP_READY;
1770 }
1771
1772 /*
1773  * PCI driver interface
1774  */
1775 static int __devinit
1776 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1777 {
1778         int     ret = -ENODEV;
1779         struct Scsi_Host *host;
1780         scsi_qla_host_t *base_vha = NULL;
1781         struct qla_hw_data *ha;
1782         char pci_info[30];
1783         char fw_str[30];
1784         struct scsi_host_template *sht;
1785         int bars, max_id, mem_only = 0;
1786         uint16_t req_length = 0, rsp_length = 0;
1787         struct req_que *req = NULL;
1788         struct rsp_que *rsp = NULL;
1789
1790         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1791         sht = &qla2xxx_driver_template;
1792         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1793             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1794             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1795             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1796             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1797             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1798             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) {
1799                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1800                 mem_only = 1;
1801         }
1802
1803         if (mem_only) {
1804                 if (pci_enable_device_mem(pdev))
1805                         goto probe_out;
1806         } else {
1807                 if (pci_enable_device(pdev))
1808                         goto probe_out;
1809         }
1810
1811         /* This may fail but that's ok */
1812         pci_enable_pcie_error_reporting(pdev);
1813
1814         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1815         if (!ha) {
1816                 DEBUG(printk("Unable to allocate memory for ha\n"));
1817                 goto probe_out;
1818         }
1819         ha->pdev = pdev;
1820
1821         /* Clear our data area */
1822         ha->bars = bars;
1823         ha->mem_only = mem_only;
1824         spin_lock_init(&ha->hardware_lock);
1825
1826         /* Set ISP-type information. */
1827         qla2x00_set_isp_flags(ha);
1828
1829         /* Set EEH reset type to fundamental if required by hba */
1830         if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1831                 pdev->needs_freset = 1;
1832         }
1833
1834         /* Configure PCI I/O space */
1835         ret = qla2x00_iospace_config(ha);
1836         if (ret)
1837                 goto probe_hw_failed;
1838
1839         qla_printk(KERN_INFO, ha,
1840             "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1841             ha->iobase);
1842
1843         ha->prev_topology = 0;
1844         ha->init_cb_size = sizeof(init_cb_t);
1845         ha->link_data_rate = PORT_SPEED_UNKNOWN;
1846         ha->optrom_size = OPTROM_SIZE_2300;
1847
1848         /* Assign ISP specific operations. */
1849         max_id = MAX_TARGETS_2200;
1850         if (IS_QLA2100(ha)) {
1851                 max_id = MAX_TARGETS_2100;
1852                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1853                 req_length = REQUEST_ENTRY_CNT_2100;
1854                 rsp_length = RESPONSE_ENTRY_CNT_2100;
1855                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1856                 ha->gid_list_info_size = 4;
1857                 ha->flash_conf_off = ~0;
1858                 ha->flash_data_off = ~0;
1859                 ha->nvram_conf_off = ~0;
1860                 ha->nvram_data_off = ~0;
1861                 ha->isp_ops = &qla2100_isp_ops;
1862         } else if (IS_QLA2200(ha)) {
1863                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1864                 req_length = REQUEST_ENTRY_CNT_2200;
1865                 rsp_length = RESPONSE_ENTRY_CNT_2100;
1866                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1867                 ha->gid_list_info_size = 4;
1868                 ha->flash_conf_off = ~0;
1869                 ha->flash_data_off = ~0;
1870                 ha->nvram_conf_off = ~0;
1871                 ha->nvram_data_off = ~0;
1872                 ha->isp_ops = &qla2100_isp_ops;
1873         } else if (IS_QLA23XX(ha)) {
1874                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1875                 req_length = REQUEST_ENTRY_CNT_2200;
1876                 rsp_length = RESPONSE_ENTRY_CNT_2300;
1877                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1878                 ha->gid_list_info_size = 6;
1879                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1880                         ha->optrom_size = OPTROM_SIZE_2322;
1881                 ha->flash_conf_off = ~0;
1882                 ha->flash_data_off = ~0;
1883                 ha->nvram_conf_off = ~0;
1884                 ha->nvram_data_off = ~0;
1885                 ha->isp_ops = &qla2300_isp_ops;
1886         } else if (IS_QLA24XX_TYPE(ha)) {
1887                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1888                 req_length = REQUEST_ENTRY_CNT_24XX;
1889                 rsp_length = RESPONSE_ENTRY_CNT_2300;
1890                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1891                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1892                 ha->gid_list_info_size = 8;
1893                 ha->optrom_size = OPTROM_SIZE_24XX;
1894                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
1895                 ha->isp_ops = &qla24xx_isp_ops;
1896                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1897                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1898                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1899                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1900         } else if (IS_QLA25XX(ha)) {
1901                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1902                 req_length = REQUEST_ENTRY_CNT_24XX;
1903                 rsp_length = RESPONSE_ENTRY_CNT_2300;
1904                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1905                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
1906                 ha->gid_list_info_size = 8;
1907                 ha->optrom_size = OPTROM_SIZE_25XX;
1908                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1909                 ha->isp_ops = &qla25xx_isp_ops;
1910                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
1911                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
1912                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
1913                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1914         } else if (IS_QLA81XX(ha)) {
1915                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1916                 req_length = REQUEST_ENTRY_CNT_24XX;
1917                 rsp_length = RESPONSE_ENTRY_CNT_2300;
1918                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
1919                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
1920                 ha->gid_list_info_size = 8;
1921                 ha->optrom_size = OPTROM_SIZE_81XX;
1922                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
1923                 ha->isp_ops = &qla81xx_isp_ops;
1924                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
1925                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
1926                 ha->nvram_conf_off = ~0;
1927                 ha->nvram_data_off = ~0;
1928         }
1929
1930         mutex_init(&ha->vport_lock);
1931         init_completion(&ha->mbx_cmd_comp);
1932         complete(&ha->mbx_cmd_comp);
1933         init_completion(&ha->mbx_intr_comp);
1934
1935         set_bit(0, (unsigned long *) ha->vp_idx_map);
1936
1937         qla2x00_config_dma_addressing(ha);
1938         ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
1939         if (!ret) {
1940                 qla_printk(KERN_WARNING, ha,
1941                     "[ERROR] Failed to allocate memory for adapter\n");
1942
1943                 goto probe_hw_failed;
1944         }
1945
1946         req->max_q_depth = MAX_Q_DEPTH;
1947         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
1948                 req->max_q_depth = ql2xmaxqdepth;
1949
1950
1951         base_vha = qla2x00_create_host(sht, ha);
1952         if (!base_vha) {
1953                 qla_printk(KERN_WARNING, ha,
1954                     "[ERROR] Failed to allocate memory for scsi_host\n");
1955
1956                 ret = -ENOMEM;
1957                 qla2x00_mem_free(ha);
1958                 qla2x00_free_req_que(ha, req);
1959                 qla2x00_free_rsp_que(ha, rsp);
1960                 goto probe_hw_failed;
1961         }
1962
1963         pci_set_drvdata(pdev, base_vha);
1964
1965         host = base_vha->host;
1966         base_vha->req = req;
1967         host->can_queue = req->length + 128;
1968         if (IS_QLA2XXX_MIDTYPE(ha))
1969                 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
1970         else
1971                 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
1972                                                 base_vha->vp_idx;
1973         if (IS_QLA2100(ha))
1974                 host->sg_tablesize = 32;
1975         host->max_id = max_id;
1976         host->this_id = 255;
1977         host->cmd_per_lun = 3;
1978         host->unique_id = host->host_no;
1979         host->max_cmd_len = MAX_CMDSZ;
1980         host->max_channel = MAX_BUSES - 1;
1981         host->max_lun = MAX_LUNS;
1982         host->transportt = qla2xxx_transport_template;
1983         sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
1984
1985         /* Set up the irqs */
1986         ret = qla2x00_request_irqs(ha, rsp);
1987         if (ret)
1988                 goto probe_init_failed;
1989
1990         pci_save_state(pdev);
1991
1992         /* Alloc arrays of request and response ring ptrs */
1993 que_init:
1994         if (!qla2x00_alloc_queues(ha)) {
1995                 qla_printk(KERN_WARNING, ha,
1996                 "[ERROR] Failed to allocate memory for queue"
1997                 " pointers\n");
1998                 goto probe_init_failed;
1999         }
2000         ha->rsp_q_map[0] = rsp;
2001         ha->req_q_map[0] = req;
2002         rsp->req = req;
2003         req->rsp = rsp;
2004         set_bit(0, ha->req_qid_map);
2005         set_bit(0, ha->rsp_qid_map);
2006         /* FWI2-capable only. */
2007         req->req_q_in = &ha->iobase->isp24.req_q_in;
2008         req->req_q_out = &ha->iobase->isp24.req_q_out;
2009         rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2010         rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2011         if (ha->mqenable) {
2012                 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2013                 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2014                 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2015                 rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2016         }
2017
2018         if (qla2x00_initialize_adapter(base_vha)) {
2019                 qla_printk(KERN_WARNING, ha,
2020                     "Failed to initialize adapter\n");
2021
2022                 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2023                     "Adapter flags %x.\n",
2024                     base_vha->host_no, base_vha->device_flags));
2025
2026                 ret = -ENODEV;
2027                 goto probe_failed;
2028         }
2029
2030         if (ha->mqenable) {
2031                 if (qla25xx_setup_mode(base_vha)) {
2032                         qla_printk(KERN_WARNING, ha,
2033                                 "Can't create queues, falling back to single"
2034                                 " queue mode\n");
2035                         goto que_init;
2036                 }
2037         }
2038
2039         if (ha->flags.running_gold_fw)
2040                 goto skip_dpc;
2041
2042         /*
2043          * Startup the kernel thread for this host adapter
2044          */
2045         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2046                         "%s_dpc", base_vha->host_str);
2047         if (IS_ERR(ha->dpc_thread)) {
2048                 qla_printk(KERN_WARNING, ha,
2049                     "Unable to start DPC thread!\n");
2050                 ret = PTR_ERR(ha->dpc_thread);
2051                 goto probe_failed;
2052         }
2053
2054 skip_dpc:
2055         list_add_tail(&base_vha->list, &ha->vp_list);
2056         base_vha->host->irq = ha->pdev->irq;
2057
2058         /* Initialized the timer */
2059         qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2060
2061         DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
2062             base_vha->host_no, ha));
2063
2064         ret = scsi_add_host(host, &pdev->dev);
2065         if (ret)
2066                 goto probe_failed;
2067
2068         base_vha->flags.init_done = 1;
2069         base_vha->flags.online = 1;
2070
2071         ha->isp_ops->enable_intrs(ha);
2072
2073         scsi_scan_host(host);
2074
2075         qla2x00_alloc_sysfs_attr(base_vha);
2076
2077         qla2x00_init_host_attr(base_vha);
2078
2079         qla2x00_dfs_setup(base_vha);
2080
2081         qla_printk(KERN_INFO, ha, "\n"
2082             " QLogic Fibre Channel HBA Driver: %s\n"
2083             "  QLogic %s - %s\n"
2084             "  ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2085             qla2x00_version_str, ha->model_number,
2086             ha->model_desc ? ha->model_desc : "", pdev->device,
2087             ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2088             ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2089             ha->isp_ops->fw_version_str(base_vha, fw_str));
2090
2091         return 0;
2092
2093 probe_init_failed:
2094         qla2x00_free_req_que(ha, req);
2095         qla2x00_free_rsp_que(ha, rsp);
2096         ha->max_req_queues = ha->max_rsp_queues = 0;
2097
2098 probe_failed:
2099         if (base_vha->timer_active)
2100                 qla2x00_stop_timer(base_vha);
2101         base_vha->flags.online = 0;
2102         if (ha->dpc_thread) {
2103                 struct task_struct *t = ha->dpc_thread;
2104
2105                 ha->dpc_thread = NULL;
2106                 kthread_stop(t);
2107         }
2108
2109         qla2x00_free_device(base_vha);
2110
2111         scsi_host_put(base_vha->host);
2112
2113 probe_hw_failed:
2114         if (ha->iobase)
2115                 iounmap(ha->iobase);
2116
2117         pci_release_selected_regions(ha->pdev, ha->bars);
2118         kfree(ha);
2119         ha = NULL;
2120
2121 probe_out:
2122         pci_disable_device(pdev);
2123         return ret;
2124 }
2125
2126 static void
2127 qla2x00_remove_one(struct pci_dev *pdev)
2128 {
2129         scsi_qla_host_t *base_vha, *vha, *temp;
2130         struct qla_hw_data  *ha;
2131
2132         base_vha = pci_get_drvdata(pdev);
2133         ha = base_vha->hw;
2134
2135         list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2136                 if (vha && vha->fc_vport)
2137                         fc_vport_terminate(vha->fc_vport);
2138         }
2139
2140         set_bit(UNLOADING, &base_vha->dpc_flags);
2141
2142         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2143
2144         qla2x00_dfs_remove(base_vha);
2145
2146         qla84xx_put_chip(base_vha);
2147
2148         /* Disable timer */
2149         if (base_vha->timer_active)
2150                 qla2x00_stop_timer(base_vha);
2151
2152         base_vha->flags.online = 0;
2153
2154         /* Flush the work queue and remove it */
2155         if (ha->wq) {
2156                 flush_workqueue(ha->wq);
2157                 destroy_workqueue(ha->wq);
2158                 ha->wq = NULL;
2159         }
2160
2161         /* Kill the kernel thread for this host */
2162         if (ha->dpc_thread) {
2163                 struct task_struct *t = ha->dpc_thread;
2164
2165                 /*
2166                  * qla2xxx_wake_dpc checks for ->dpc_thread
2167                  * so we need to zero it out.
2168                  */
2169                 ha->dpc_thread = NULL;
2170                 kthread_stop(t);
2171         }
2172
2173         qla2x00_free_sysfs_attr(base_vha);
2174
2175         fc_remove_host(base_vha->host);
2176
2177         scsi_remove_host(base_vha->host);
2178
2179         qla2x00_free_device(base_vha);
2180
2181         scsi_host_put(base_vha->host);
2182
2183         if (ha->iobase)
2184                 iounmap(ha->iobase);
2185
2186         if (ha->mqiobase)
2187                 iounmap(ha->mqiobase);
2188
2189         pci_release_selected_regions(ha->pdev, ha->bars);
2190         kfree(ha);
2191         ha = NULL;
2192
2193         pci_disable_pcie_error_reporting(pdev);
2194
2195         pci_disable_device(pdev);
2196         pci_set_drvdata(pdev, NULL);
2197 }
2198
2199 static void
2200 qla2x00_free_device(scsi_qla_host_t *vha)
2201 {
2202         struct qla_hw_data *ha = vha->hw;
2203
2204         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2205
2206         /* Disable timer */
2207         if (vha->timer_active)
2208                 qla2x00_stop_timer(vha);
2209
2210         /* Kill the kernel thread for this host */
2211         if (ha->dpc_thread) {
2212                 struct task_struct *t = ha->dpc_thread;
2213
2214                 /*
2215                  * qla2xxx_wake_dpc checks for ->dpc_thread
2216                  * so we need to zero it out.
2217                  */
2218                 ha->dpc_thread = NULL;
2219                 kthread_stop(t);
2220         }
2221
2222         qla25xx_delete_queues(vha);
2223
2224         if (ha->flags.fce_enabled)
2225                 qla2x00_disable_fce_trace(vha, NULL, NULL);
2226
2227         if (ha->eft)
2228                 qla2x00_disable_eft_trace(vha);
2229
2230         /* Stop currently executing firmware. */
2231         qla2x00_try_to_stop_firmware(vha);
2232
2233         vha->flags.online = 0;
2234
2235         /* turn-off interrupts on the card */
2236         if (ha->interrupts_on)
2237                 ha->isp_ops->disable_intrs(ha);
2238
2239         qla2x00_free_irqs(vha);
2240
2241         qla2x00_mem_free(ha);
2242
2243         qla2x00_free_queues(ha);
2244 }
2245
2246 static inline void
2247 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2248     int defer)
2249 {
2250         struct fc_rport *rport;
2251         scsi_qla_host_t *base_vha;
2252
2253         if (!fcport->rport)
2254                 return;
2255
2256         rport = fcport->rport;
2257         if (defer) {
2258                 base_vha = pci_get_drvdata(vha->hw->pdev);
2259                 spin_lock_irq(vha->host->host_lock);
2260                 fcport->drport = rport;
2261                 spin_unlock_irq(vha->host->host_lock);
2262                 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2263                 qla2xxx_wake_dpc(base_vha);
2264         } else
2265                 fc_remote_port_delete(rport);
2266 }
2267
2268 /*
2269  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2270  *
2271  * Input: ha = adapter block pointer.  fcport = port structure pointer.
2272  *
2273  * Return: None.
2274  *
2275  * Context:
2276  */
2277 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2278     int do_login, int defer)
2279 {
2280         if (atomic_read(&fcport->state) == FCS_ONLINE &&
2281             vha->vp_idx == fcport->vp_idx) {
2282                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2283                 qla2x00_schedule_rport_del(vha, fcport, defer);
2284         }
2285         /*
2286          * We may need to retry the login, so don't change the state of the
2287          * port but do the retries.
2288          */
2289         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2290                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2291
2292         if (!do_login)
2293                 return;
2294
2295         if (fcport->login_retry == 0) {
2296                 fcport->login_retry = vha->hw->login_retry_count;
2297                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2298
2299                 DEBUG(printk("scsi(%ld): Port login retry: "
2300                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
2301                     "id = 0x%04x retry cnt=%d\n",
2302                     vha->host_no,
2303                     fcport->port_name[0],
2304                     fcport->port_name[1],
2305                     fcport->port_name[2],
2306                     fcport->port_name[3],
2307                     fcport->port_name[4],
2308                     fcport->port_name[5],
2309                     fcport->port_name[6],
2310                     fcport->port_name[7],
2311                     fcport->loop_id,
2312                     fcport->login_retry));
2313         }
2314 }
2315
2316 /*
2317  * qla2x00_mark_all_devices_lost
2318  *      Updates fcport state when device goes offline.
2319  *
2320  * Input:
2321  *      ha = adapter block pointer.
2322  *      fcport = port structure pointer.
2323  *
2324  * Return:
2325  *      None.
2326  *
2327  * Context:
2328  */
2329 void
2330 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2331 {
2332         fc_port_t *fcport;
2333
2334         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2335                 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2336                         continue;
2337
2338                 /*
2339                  * No point in marking the device as lost, if the device is
2340                  * already DEAD.
2341                  */
2342                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2343                         continue;
2344                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2345                         if (defer)
2346                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2347                         else if (vha->vp_idx == fcport->vp_idx)
2348                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2349                 }
2350                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2351         }
2352 }
2353
2354 /*
2355 * qla2x00_mem_alloc
2356 *      Allocates adapter memory.
2357 *
2358 * Returns:
2359 *      0  = success.
2360 *      !0  = failure.
2361 */
2362 static int
2363 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2364         struct req_que **req, struct rsp_que **rsp)
2365 {
2366         char    name[16];
2367
2368         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2369                 &ha->init_cb_dma, GFP_KERNEL);
2370         if (!ha->init_cb)
2371                 goto fail;
2372
2373         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2374                 &ha->gid_list_dma, GFP_KERNEL);
2375         if (!ha->gid_list)
2376                 goto fail_free_init_cb;
2377
2378         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2379         if (!ha->srb_mempool)
2380                 goto fail_free_gid_list;
2381
2382         /* Get memory for cached NVRAM */
2383         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2384         if (!ha->nvram)
2385                 goto fail_free_srb_mempool;
2386
2387         snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2388                 ha->pdev->device);
2389         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2390                 DMA_POOL_SIZE, 8, 0);
2391         if (!ha->s_dma_pool)
2392                 goto fail_free_nvram;
2393
2394         /* Allocate memory for SNS commands */
2395         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2396         /* Get consistent memory allocated for SNS commands */
2397                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2398                 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2399                 if (!ha->sns_cmd)
2400                         goto fail_dma_pool;
2401         } else {
2402         /* Get consistent memory allocated for MS IOCB */
2403                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2404                         &ha->ms_iocb_dma);
2405                 if (!ha->ms_iocb)
2406                         goto fail_dma_pool;
2407         /* Get consistent memory allocated for CT SNS commands */
2408                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2409                         sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2410                 if (!ha->ct_sns)
2411                         goto fail_free_ms_iocb;
2412         }
2413
2414         /* Allocate memory for request ring */
2415         *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2416         if (!*req) {
2417                 DEBUG(printk("Unable to allocate memory for req\n"));
2418                 goto fail_req;
2419         }
2420         (*req)->length = req_len;
2421         (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2422                 ((*req)->length + 1) * sizeof(request_t),
2423                 &(*req)->dma, GFP_KERNEL);
2424         if (!(*req)->ring) {
2425                 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2426                 goto fail_req_ring;
2427         }
2428         /* Allocate memory for response ring */
2429         *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2430         if (!*rsp) {
2431                 qla_printk(KERN_WARNING, ha,
2432                         "Unable to allocate memory for rsp\n");
2433                 goto fail_rsp;
2434         }
2435         (*rsp)->hw = ha;
2436         (*rsp)->length = rsp_len;
2437         (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2438                 ((*rsp)->length + 1) * sizeof(response_t),
2439                 &(*rsp)->dma, GFP_KERNEL);
2440         if (!(*rsp)->ring) {
2441                 qla_printk(KERN_WARNING, ha,
2442                         "Unable to allocate memory for rsp_ring\n");
2443                 goto fail_rsp_ring;
2444         }
2445         (*req)->rsp = *rsp;
2446         (*rsp)->req = *req;
2447         /* Allocate memory for NVRAM data for vports */
2448         if (ha->nvram_npiv_size) {
2449                 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2450                                         ha->nvram_npiv_size, GFP_KERNEL);
2451                 if (!ha->npiv_info) {
2452                         qla_printk(KERN_WARNING, ha,
2453                                 "Unable to allocate memory for npiv info\n");
2454                         goto fail_npiv_info;
2455                 }
2456         } else
2457                 ha->npiv_info = NULL;
2458
2459         /* Get consistent memory allocated for EX-INIT-CB. */
2460         if (IS_QLA81XX(ha)) {
2461                 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2462                     &ha->ex_init_cb_dma);
2463                 if (!ha->ex_init_cb)
2464                         goto fail_ex_init_cb;
2465         }
2466
2467         INIT_LIST_HEAD(&ha->vp_list);
2468         return 1;
2469
2470 fail_ex_init_cb:
2471         kfree(ha->npiv_info);
2472 fail_npiv_info:
2473         dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2474                 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2475         (*rsp)->ring = NULL;
2476         (*rsp)->dma = 0;
2477 fail_rsp_ring:
2478         kfree(*rsp);
2479 fail_rsp:
2480         dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2481                 sizeof(request_t), (*req)->ring, (*req)->dma);
2482         (*req)->ring = NULL;
2483         (*req)->dma = 0;
2484 fail_req_ring:
2485         kfree(*req);
2486 fail_req:
2487         dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2488                 ha->ct_sns, ha->ct_sns_dma);
2489         ha->ct_sns = NULL;
2490         ha->ct_sns_dma = 0;
2491 fail_free_ms_iocb:
2492         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2493         ha->ms_iocb = NULL;
2494         ha->ms_iocb_dma = 0;
2495 fail_dma_pool:
2496         dma_pool_destroy(ha->s_dma_pool);
2497         ha->s_dma_pool = NULL;
2498 fail_free_nvram:
2499         kfree(ha->nvram);
2500         ha->nvram = NULL;
2501 fail_free_srb_mempool:
2502         mempool_destroy(ha->srb_mempool);
2503         ha->srb_mempool = NULL;
2504 fail_free_gid_list:
2505         dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2506         ha->gid_list_dma);
2507         ha->gid_list = NULL;
2508         ha->gid_list_dma = 0;
2509 fail_free_init_cb:
2510         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2511         ha->init_cb_dma);
2512         ha->init_cb = NULL;
2513         ha->init_cb_dma = 0;
2514 fail:
2515         DEBUG(printk("%s: Memory allocation failure\n", __func__));
2516         return -ENOMEM;
2517 }
2518
2519 /*
2520 * qla2x00_mem_free
2521 *      Frees all adapter allocated memory.
2522 *
2523 * Input:
2524 *      ha = adapter block pointer.
2525 */
2526 static void
2527 qla2x00_mem_free(struct qla_hw_data *ha)
2528 {
2529         if (ha->srb_mempool)
2530                 mempool_destroy(ha->srb_mempool);
2531
2532         if (ha->fce)
2533                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2534                 ha->fce_dma);
2535
2536         if (ha->fw_dump) {
2537                 if (ha->eft)
2538                         dma_free_coherent(&ha->pdev->dev,
2539                         ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2540                 vfree(ha->fw_dump);
2541         }
2542
2543         if (ha->dcbx_tlv)
2544                 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2545                     ha->dcbx_tlv, ha->dcbx_tlv_dma);
2546
2547         if (ha->xgmac_data)
2548                 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2549                     ha->xgmac_data, ha->xgmac_data_dma);
2550
2551         if (ha->sns_cmd)
2552                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2553                 ha->sns_cmd, ha->sns_cmd_dma);
2554
2555         if (ha->ct_sns)
2556                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2557                 ha->ct_sns, ha->ct_sns_dma);
2558
2559         if (ha->sfp_data)
2560                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2561
2562         if (ha->edc_data)
2563                 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2564
2565         if (ha->ms_iocb)
2566                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2567
2568         if (ha->ex_init_cb)
2569                 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2570
2571         if (ha->s_dma_pool)
2572                 dma_pool_destroy(ha->s_dma_pool);
2573
2574         if (ha->gid_list)
2575                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2576                 ha->gid_list_dma);
2577
2578         if (ha->init_cb)
2579                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2580                 ha->init_cb, ha->init_cb_dma);
2581         vfree(ha->optrom_buffer);
2582         kfree(ha->nvram);
2583         kfree(ha->npiv_info);
2584
2585         ha->srb_mempool = NULL;
2586         ha->eft = NULL;
2587         ha->eft_dma = 0;
2588         ha->sns_cmd = NULL;
2589         ha->sns_cmd_dma = 0;
2590         ha->ct_sns = NULL;
2591         ha->ct_sns_dma = 0;
2592         ha->ms_iocb = NULL;
2593         ha->ms_iocb_dma = 0;
2594         ha->init_cb = NULL;
2595         ha->init_cb_dma = 0;
2596         ha->ex_init_cb = NULL;
2597         ha->ex_init_cb_dma = 0;
2598
2599         ha->s_dma_pool = NULL;
2600
2601         ha->gid_list = NULL;
2602         ha->gid_list_dma = 0;
2603
2604         ha->fw_dump = NULL;
2605         ha->fw_dumped = 0;
2606         ha->fw_dump_reading = 0;
2607 }
2608
2609 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2610                                                 struct qla_hw_data *ha)
2611 {
2612         struct Scsi_Host *host;
2613         struct scsi_qla_host *vha = NULL;
2614
2615         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2616         if (host == NULL) {
2617                 printk(KERN_WARNING
2618                 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2619                 goto fail;
2620         }
2621
2622         /* Clear our data area */
2623         vha = shost_priv(host);
2624         memset(vha, 0, sizeof(scsi_qla_host_t));
2625
2626         vha->host = host;
2627         vha->host_no = host->host_no;
2628         vha->hw = ha;
2629
2630         INIT_LIST_HEAD(&vha->vp_fcports);
2631         INIT_LIST_HEAD(&vha->work_list);
2632         INIT_LIST_HEAD(&vha->list);
2633
2634         spin_lock_init(&vha->work_lock);
2635
2636         sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2637         return vha;
2638
2639 fail:
2640         return vha;
2641 }
2642
2643 static struct qla_work_evt *
2644 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
2645 {
2646         struct qla_work_evt *e;
2647
2648         e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
2649         if (!e)
2650                 return NULL;
2651
2652         INIT_LIST_HEAD(&e->list);
2653         e->type = type;
2654         e->flags = QLA_EVT_FLAG_FREE;
2655         return e;
2656 }
2657
2658 static int
2659 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
2660 {
2661         unsigned long flags;
2662
2663         spin_lock_irqsave(&vha->work_lock, flags);
2664         list_add_tail(&e->list, &vha->work_list);
2665         spin_unlock_irqrestore(&vha->work_lock, flags);
2666         qla2xxx_wake_dpc(vha);
2667
2668         return QLA_SUCCESS;
2669 }
2670
2671 int
2672 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
2673     u32 data)
2674 {
2675         struct qla_work_evt *e;
2676
2677         e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
2678         if (!e)
2679                 return QLA_FUNCTION_FAILED;
2680
2681         e->u.aen.code = code;
2682         e->u.aen.data = data;
2683         return qla2x00_post_work(vha, e);
2684 }
2685
2686 int
2687 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
2688 {
2689         struct qla_work_evt *e;
2690
2691         e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
2692         if (!e)
2693                 return QLA_FUNCTION_FAILED;
2694
2695         memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
2696         return qla2x00_post_work(vha, e);
2697 }
2698
2699 #define qla2x00_post_async_work(name, type)     \
2700 int qla2x00_post_async_##name##_work(           \
2701     struct scsi_qla_host *vha,                  \
2702     fc_port_t *fcport, uint16_t *data)          \
2703 {                                               \
2704         struct qla_work_evt *e;                 \
2705                                                 \
2706         e = qla2x00_alloc_work(vha, type);      \
2707         if (!e)                                 \
2708                 return QLA_FUNCTION_FAILED;     \
2709                                                 \
2710         e->u.logio.fcport = fcport;             \
2711         if (data) {                             \
2712                 e->u.logio.data[0] = data[0];   \
2713                 e->u.logio.data[1] = data[1];   \
2714         }                                       \
2715         return qla2x00_post_work(vha, e);       \
2716 }
2717
2718 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
2719 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
2720 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
2721 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
2722
2723 int
2724 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
2725 {
2726         struct qla_work_evt *e;
2727
2728         e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
2729         if (!e)
2730                 return QLA_FUNCTION_FAILED;
2731
2732         e->u.uevent.code = code;
2733         return qla2x00_post_work(vha, e);
2734 }
2735
2736 static void
2737 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
2738 {
2739         char event_string[40];
2740         char *envp[] = { event_string, NULL };
2741
2742         switch (code) {
2743         case QLA_UEVENT_CODE_FW_DUMP:
2744                 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
2745                     vha->host_no);
2746                 break;
2747         default:
2748                 /* do nothing */
2749                 break;
2750         }
2751         kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
2752 }
2753
2754 void
2755 qla2x00_do_work(struct scsi_qla_host *vha)
2756 {
2757         struct qla_work_evt *e, *tmp;
2758         unsigned long flags;
2759         LIST_HEAD(work);
2760
2761         spin_lock_irqsave(&vha->work_lock, flags);
2762         list_splice_init(&vha->work_list, &work);
2763         spin_unlock_irqrestore(&vha->work_lock, flags);
2764
2765         list_for_each_entry_safe(e, tmp, &work, list) {
2766                 list_del_init(&e->list);
2767
2768                 switch (e->type) {
2769                 case QLA_EVT_AEN:
2770                         fc_host_post_event(vha->host, fc_get_event_number(),
2771                             e->u.aen.code, e->u.aen.data);
2772                         break;
2773                 case QLA_EVT_IDC_ACK:
2774                         qla81xx_idc_ack(vha, e->u.idc_ack.mb);
2775                         break;
2776                 case QLA_EVT_ASYNC_LOGIN:
2777                         qla2x00_async_login(vha, e->u.logio.fcport,
2778                             e->u.logio.data);
2779                         break;
2780                 case QLA_EVT_ASYNC_LOGIN_DONE:
2781                         qla2x00_async_login_done(vha, e->u.logio.fcport,
2782                             e->u.logio.data);
2783                         break;
2784                 case QLA_EVT_ASYNC_LOGOUT:
2785                         qla2x00_async_logout(vha, e->u.logio.fcport);
2786                         break;
2787                 case QLA_EVT_ASYNC_LOGOUT_DONE:
2788                         qla2x00_async_logout_done(vha, e->u.logio.fcport,
2789                             e->u.logio.data);
2790                         break;
2791                 case QLA_EVT_UEVENT:
2792                         qla2x00_uevent_emit(vha, e->u.uevent.code);
2793                         break;
2794                 }
2795                 if (e->flags & QLA_EVT_FLAG_FREE)
2796                         kfree(e);
2797         }
2798 }
2799
2800 /* Relogins all the fcports of a vport
2801  * Context: dpc thread
2802  */
2803 void qla2x00_relogin(struct scsi_qla_host *vha)
2804 {
2805         fc_port_t       *fcport;
2806         int status;
2807         uint16_t        next_loopid = 0;
2808         struct qla_hw_data *ha = vha->hw;
2809         uint16_t data[2];
2810
2811         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2812         /*
2813          * If the port is not ONLINE then try to login
2814          * to it if we haven't run out of retries.
2815          */
2816                 if (atomic_read(&fcport->state) !=
2817                         FCS_ONLINE && fcport->login_retry) {
2818
2819                         fcport->login_retry--;
2820                         if (fcport->flags & FCF_FABRIC_DEVICE) {
2821                                 if (fcport->flags & FCF_FCP2_DEVICE)
2822                                         ha->isp_ops->fabric_logout(vha,
2823                                                         fcport->loop_id,
2824                                                         fcport->d_id.b.domain,
2825                                                         fcport->d_id.b.area,
2826                                                         fcport->d_id.b.al_pa);
2827
2828                                 if (IS_ALOGIO_CAPABLE(ha)) {
2829                                         data[0] = 0;
2830                                         data[1] = QLA_LOGIO_LOGIN_RETRIED;
2831                                         status = qla2x00_post_async_login_work(
2832                                             vha, fcport, data);
2833                                         if (status == QLA_SUCCESS)
2834                                                 continue;
2835                                         /* Attempt a retry. */
2836                                         status = 1;
2837                                 } else
2838                                         status = qla2x00_fabric_login(vha,
2839                                             fcport, &next_loopid);
2840                         } else
2841                                 status = qla2x00_local_device_login(vha,
2842                                                                 fcport);
2843
2844                         if (status == QLA_SUCCESS) {
2845                                 fcport->old_loop_id = fcport->loop_id;
2846
2847                                 DEBUG(printk("scsi(%ld): port login OK: logged "
2848                                 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
2849
2850                                 qla2x00_update_fcport(vha, fcport);
2851
2852                         } else if (status == 1) {
2853                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2854                                 /* retry the login again */
2855                                 DEBUG(printk("scsi(%ld): Retrying"
2856                                 " %d login again loop_id 0x%x\n",
2857                                 vha->host_no, fcport->login_retry,
2858                                                 fcport->loop_id));
2859                         } else {
2860                                 fcport->login_retry = 0;
2861                         }
2862
2863                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
2864                                 fcport->loop_id = FC_NO_LOOP_ID;
2865                 }
2866                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2867                         break;
2868         }
2869 }
2870
2871 /**************************************************************************
2872 * qla2x00_do_dpc
2873 *   This kernel thread is a task that is schedule by the interrupt handler
2874 *   to perform the background processing for interrupts.
2875 *
2876 * Notes:
2877 * This task always run in the context of a kernel thread.  It
2878 * is kick-off by the driver's detect code and starts up
2879 * up one per adapter. It immediately goes to sleep and waits for
2880 * some fibre event.  When either the interrupt handler or
2881 * the timer routine detects a event it will one of the task
2882 * bits then wake us up.
2883 **************************************************************************/
2884 static int
2885 qla2x00_do_dpc(void *data)
2886 {
2887         int             rval;
2888         scsi_qla_host_t *base_vha;
2889         struct qla_hw_data *ha;
2890
2891         ha = (struct qla_hw_data *)data;
2892         base_vha = pci_get_drvdata(ha->pdev);
2893
2894         set_user_nice(current, -20);
2895
2896         while (!kthread_should_stop()) {
2897                 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2898
2899                 set_current_state(TASK_INTERRUPTIBLE);
2900                 schedule();
2901                 __set_current_state(TASK_RUNNING);
2902
2903                 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2904
2905                 /* Initialization not yet finished. Don't do anything yet. */
2906                 if (!base_vha->flags.init_done)
2907                         continue;
2908
2909                 if (ha->flags.eeh_busy) {
2910                         DEBUG17(qla_printk(KERN_WARNING, ha,
2911                             "qla2x00_do_dpc: dpc_flags: %lx\n",
2912                             base_vha->dpc_flags));
2913                         continue;
2914                 }
2915
2916                 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
2917
2918                 ha->dpc_active = 1;
2919
2920                 if (ha->flags.mbox_busy) {
2921                         ha->dpc_active = 0;
2922                         continue;
2923                 }
2924
2925                 qla2x00_do_work(base_vha);
2926
2927                 if (test_and_clear_bit(ISP_ABORT_NEEDED,
2928                                                 &base_vha->dpc_flags)) {
2929
2930                         DEBUG(printk("scsi(%ld): dpc: sched "
2931                             "qla2x00_abort_isp ha = %p\n",
2932                             base_vha->host_no, ha));
2933                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2934                             &base_vha->dpc_flags))) {
2935
2936                                 if (qla2x00_abort_isp(base_vha)) {
2937                                         /* failed. retry later */
2938                                         set_bit(ISP_ABORT_NEEDED,
2939                                             &base_vha->dpc_flags);
2940                                 }
2941                                 clear_bit(ABORT_ISP_ACTIVE,
2942                                                 &base_vha->dpc_flags);
2943                         }
2944
2945                         DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2946                             base_vha->host_no));
2947                 }
2948
2949                 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
2950                         qla2x00_update_fcports(base_vha);
2951                         clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2952                 }
2953
2954                 if (test_and_clear_bit(RESET_MARKER_NEEDED,
2955                                                         &base_vha->dpc_flags) &&
2956                     (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
2957
2958                         DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2959                             base_vha->host_no));
2960
2961                         qla2x00_rst_aen(base_vha);
2962                         clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
2963                 }
2964
2965                 /* Retry each device up to login retry count */
2966                 if ((test_and_clear_bit(RELOGIN_NEEDED,
2967                                                 &base_vha->dpc_flags)) &&
2968                     !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
2969                     atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
2970
2971                         DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2972                                         base_vha->host_no));
2973                         qla2x00_relogin(base_vha);
2974
2975                         DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2976                             base_vha->host_no));
2977                 }
2978
2979                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
2980                                                         &base_vha->dpc_flags)) {
2981
2982                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2983                                 base_vha->host_no));
2984
2985                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2986                             &base_vha->dpc_flags))) {
2987
2988                                 rval = qla2x00_loop_resync(base_vha);
2989
2990                                 clear_bit(LOOP_RESYNC_ACTIVE,
2991                                                 &base_vha->dpc_flags);
2992                         }
2993
2994                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2995                             base_vha->host_no));
2996                 }
2997
2998                 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
2999                     atomic_read(&base_vha->loop_state) == LOOP_READY) {
3000                         clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3001                         qla2xxx_flash_npiv_conf(base_vha);
3002                 }
3003
3004                 if (!ha->interrupts_on)
3005                         ha->isp_ops->enable_intrs(ha);
3006
3007                 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3008                                         &base_vha->dpc_flags))
3009                         ha->isp_ops->beacon_blink(base_vha);
3010
3011                 qla2x00_do_dpc_all_vps(base_vha);
3012
3013                 ha->dpc_active = 0;
3014         } /* End of while(1) */
3015
3016         DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
3017
3018         /*
3019          * Make sure that nobody tries to wake us up again.
3020          */
3021         ha->dpc_active = 0;
3022
3023         /* Cleanup any residual CTX SRBs. */
3024         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3025
3026         return 0;
3027 }
3028
3029 void
3030 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3031 {
3032         struct qla_hw_data *ha = vha->hw;
3033         struct task_struct *t = ha->dpc_thread;
3034
3035         if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3036                 wake_up_process(t);
3037 }
3038
3039 /*
3040 *  qla2x00_rst_aen
3041 *      Processes asynchronous reset.
3042 *
3043 * Input:
3044 *      ha  = adapter block pointer.
3045 */
3046 static void
3047 qla2x00_rst_aen(scsi_qla_host_t *vha)
3048 {
3049         if (vha->flags.online && !vha->flags.reset_active &&
3050             !atomic_read(&vha->loop_down_timer) &&
3051             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3052                 do {
3053                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3054
3055                         /*
3056                          * Issue marker command only when we are going to start
3057                          * the I/O.
3058                          */
3059                         vha->marker_needed = 1;
3060                 } while (!atomic_read(&vha->loop_down_timer) &&
3061                     (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3062         }
3063 }
3064
3065 static void
3066 qla2x00_sp_free_dma(srb_t *sp)
3067 {
3068         struct scsi_cmnd *cmd = sp->cmd;
3069
3070         if (sp->flags & SRB_DMA_VALID) {
3071                 scsi_dma_unmap(cmd);
3072                 sp->flags &= ~SRB_DMA_VALID;
3073         }
3074         CMD_SP(cmd) = NULL;
3075 }
3076
3077 void
3078 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3079 {
3080         struct scsi_cmnd *cmd = sp->cmd;
3081
3082         qla2x00_sp_free_dma(sp);
3083
3084         mempool_free(sp, ha->srb_mempool);
3085
3086         cmd->scsi_done(cmd);
3087 }
3088
3089 /**************************************************************************
3090 *   qla2x00_timer
3091 *
3092 * Description:
3093 *   One second timer
3094 *
3095 * Context: Interrupt
3096 ***************************************************************************/
3097 void
3098 qla2x00_timer(scsi_qla_host_t *vha)
3099 {
3100         unsigned long   cpu_flags = 0;
3101         fc_port_t       *fcport;
3102         int             start_dpc = 0;
3103         int             index;
3104         srb_t           *sp;
3105         int             t;
3106         uint16_t        w;
3107         struct qla_hw_data *ha = vha->hw;
3108         struct req_que *req;
3109
3110         /* Hardware read to raise pending EEH errors during mailbox waits. */
3111         if (!pci_channel_offline(ha->pdev))
3112                 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3113         /*
3114          * Ports - Port down timer.
3115          *
3116          * Whenever, a port is in the LOST state we start decrementing its port
3117          * down timer every second until it reaches zero. Once  it reaches zero
3118          * the port it marked DEAD.
3119          */
3120         t = 0;
3121         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3122                 if (fcport->port_type != FCT_TARGET)
3123                         continue;
3124
3125                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3126
3127                         if (atomic_read(&fcport->port_down_timer) == 0)
3128                                 continue;
3129
3130                         if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
3131                                 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
3132
3133                         DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
3134                             "%d remaining\n",
3135                             vha->host_no,
3136                             t, atomic_read(&fcport->port_down_timer)));
3137                 }
3138                 t++;
3139         } /* End of for fcport  */
3140
3141
3142         /* Loop down handler. */
3143         if (atomic_read(&vha->loop_down_timer) > 0 &&
3144             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3145                 && vha->flags.online) {
3146
3147                 if (atomic_read(&vha->loop_down_timer) ==
3148                     vha->loop_down_abort_time) {
3149
3150                         DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3151                             "queues before time expire\n",
3152                             vha->host_no));
3153
3154                         if (!IS_QLA2100(ha) && vha->link_down_timeout)
3155                                 atomic_set(&vha->loop_state, LOOP_DEAD);
3156
3157                         /*
3158                          * Schedule an ISP abort to return any FCP2-device
3159                          * commands.
3160                          */
3161                         /* NPIV - scan physical port only */
3162                         if (!vha->vp_idx) {
3163                                 spin_lock_irqsave(&ha->hardware_lock,
3164                                     cpu_flags);
3165                                 req = ha->req_q_map[0];
3166                                 for (index = 1;
3167                                     index < MAX_OUTSTANDING_COMMANDS;
3168                                     index++) {
3169                                         fc_port_t *sfcp;
3170
3171                                         sp = req->outstanding_cmds[index];
3172                                         if (!sp)
3173                                                 continue;
3174                                         if (sp->ctx)
3175                                                 continue;
3176                                         sfcp = sp->fcport;
3177                                         if (!(sfcp->flags & FCF_FCP2_DEVICE))
3178                                                 continue;
3179
3180                                         set_bit(ISP_ABORT_NEEDED,
3181                                                         &vha->dpc_flags);
3182                                         break;
3183                                 }
3184                                 spin_unlock_irqrestore(&ha->hardware_lock,
3185                                                                 cpu_flags);
3186                         }
3187                         start_dpc++;
3188                 }
3189
3190                 /* if the loop has been down for 4 minutes, reinit adapter */
3191                 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3192                         if (!(vha->device_flags & DFLG_NO_CABLE)) {
3193                                 DEBUG(printk("scsi(%ld): Loop down - "
3194                                     "aborting ISP.\n",
3195                                     vha->host_no));
3196                                 qla_printk(KERN_WARNING, ha,
3197                                     "Loop down - aborting ISP.\n");
3198
3199                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3200                         }
3201                 }
3202                 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
3203                     vha->host_no,
3204                     atomic_read(&vha->loop_down_timer)));
3205         }
3206
3207         /* Check if beacon LED needs to be blinked */
3208         if (ha->beacon_blink_led == 1) {
3209                 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3210                 start_dpc++;
3211         }
3212
3213         /* Process any deferred work. */
3214         if (!list_empty(&vha->work_list))
3215                 start_dpc++;
3216
3217         /* Schedule the DPC routine if needed */
3218         if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3219             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3220             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3221             start_dpc ||
3222             test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3223             test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3224             test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3225             test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3226                 qla2xxx_wake_dpc(vha);
3227
3228         qla2x00_restart_timer(vha, WATCH_INTERVAL);
3229 }
3230
3231 /* Firmware interface routines. */
3232
3233 #define FW_BLOBS        7
3234 #define FW_ISP21XX      0
3235 #define FW_ISP22XX      1
3236 #define FW_ISP2300      2
3237 #define FW_ISP2322      3
3238 #define FW_ISP24XX      4
3239 #define FW_ISP25XX      5
3240 #define FW_ISP81XX      6
3241
3242 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3243 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3244 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3245 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3246 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3247 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3248 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3249
3250 static DEFINE_MUTEX(qla_fw_lock);
3251
3252 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3253         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3254         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3255         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3256         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3257         { .name = FW_FILE_ISP24XX, },
3258         { .name = FW_FILE_ISP25XX, },
3259         { .name = FW_FILE_ISP81XX, },
3260 };
3261
3262 struct fw_blob *
3263 qla2x00_request_firmware(scsi_qla_host_t *vha)
3264 {
3265         struct qla_hw_data *ha = vha->hw;
3266         struct fw_blob *blob;
3267
3268         blob = NULL;
3269         if (IS_QLA2100(ha)) {
3270                 blob = &qla_fw_blobs[FW_ISP21XX];
3271         } else if (IS_QLA2200(ha)) {
3272                 blob = &qla_fw_blobs[FW_ISP22XX];
3273         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3274                 blob = &qla_fw_blobs[FW_ISP2300];
3275         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3276                 blob = &qla_fw_blobs[FW_ISP2322];
3277         } else if (IS_QLA24XX_TYPE(ha)) {
3278                 blob = &qla_fw_blobs[FW_ISP24XX];
3279         } else if (IS_QLA25XX(ha)) {
3280                 blob = &qla_fw_blobs[FW_ISP25XX];
3281         } else if (IS_QLA81XX(ha)) {
3282                 blob = &qla_fw_blobs[FW_ISP81XX];
3283         }
3284
3285         mutex_lock(&qla_fw_lock);
3286         if (blob->fw)
3287                 goto out;
3288
3289         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3290                 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3291                     "(%s).\n", vha->host_no, blob->name));
3292                 blob->fw = NULL;
3293                 blob = NULL;
3294                 goto out;
3295         }
3296
3297 out:
3298         mutex_unlock(&qla_fw_lock);
3299         return blob;
3300 }
3301
3302 static void
3303 qla2x00_release_firmware(void)
3304 {
3305         int idx;
3306
3307         mutex_lock(&qla_fw_lock);
3308         for (idx = 0; idx < FW_BLOBS; idx++)
3309                 if (qla_fw_blobs[idx].fw)
3310                         release_firmware(qla_fw_blobs[idx].fw);
3311         mutex_unlock(&qla_fw_lock);
3312 }
3313
3314 static pci_ers_result_t
3315 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3316 {
3317         scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3318         struct qla_hw_data *ha = vha->hw;
3319
3320         DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3321             state));
3322
3323         switch (state) {
3324         case pci_channel_io_normal:
3325                 ha->flags.eeh_busy = 0;
3326                 return PCI_ERS_RESULT_CAN_RECOVER;
3327         case pci_channel_io_frozen:
3328                 ha->flags.eeh_busy = 1;
3329                 qla2x00_free_irqs(vha);
3330                 pci_disable_device(pdev);
3331                 return PCI_ERS_RESULT_NEED_RESET;
3332         case pci_channel_io_perm_failure:
3333                 ha->flags.pci_channel_io_perm_failure = 1;
3334                 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3335                 return PCI_ERS_RESULT_DISCONNECT;
3336         }
3337         return PCI_ERS_RESULT_NEED_RESET;
3338 }
3339
3340 static pci_ers_result_t
3341 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3342 {
3343         int risc_paused = 0;
3344         uint32_t stat;
3345         unsigned long flags;
3346         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3347         struct qla_hw_data *ha = base_vha->hw;
3348         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3349         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3350
3351         spin_lock_irqsave(&ha->hardware_lock, flags);
3352         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3353                 stat = RD_REG_DWORD(&reg->hccr);
3354                 if (stat & HCCR_RISC_PAUSE)
3355                         risc_paused = 1;
3356         } else if (IS_QLA23XX(ha)) {
3357                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3358                 if (stat & HSR_RISC_PAUSED)
3359                         risc_paused = 1;
3360         } else if (IS_FWI2_CAPABLE(ha)) {
3361                 stat = RD_REG_DWORD(&reg24->host_status);
3362                 if (stat & HSRX_RISC_PAUSED)
3363                         risc_paused = 1;
3364         }
3365         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3366
3367         if (risc_paused) {
3368                 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3369                     "Dumping firmware!\n");
3370                 ha->isp_ops->fw_dump(base_vha, 0);
3371
3372                 return PCI_ERS_RESULT_NEED_RESET;
3373         } else
3374                 return PCI_ERS_RESULT_RECOVERED;
3375 }
3376
3377 static pci_ers_result_t
3378 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3379 {
3380         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3381         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3382         struct qla_hw_data *ha = base_vha->hw;
3383         struct rsp_que *rsp;
3384         int rc, retries = 10;
3385
3386         DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3387
3388         /* Workaround: qla2xxx driver which access hardware earlier
3389          * needs error state to be pci_channel_io_online.
3390          * Otherwise mailbox command timesout.
3391          */
3392         pdev->error_state = pci_channel_io_normal;
3393
3394         pci_restore_state(pdev);
3395
3396         if (ha->mem_only)
3397                 rc = pci_enable_device_mem(pdev);
3398         else
3399                 rc = pci_enable_device(pdev);
3400
3401         if (rc) {
3402                 qla_printk(KERN_WARNING, ha,
3403                     "Can't re-enable PCI device after reset.\n");
3404                 return ret;
3405         }
3406
3407         rsp = ha->rsp_q_map[0];
3408         if (qla2x00_request_irqs(ha, rsp))
3409                 return ret;
3410
3411         if (ha->isp_ops->pci_config(base_vha))
3412                 return ret;
3413
3414         while (ha->flags.mbox_busy && retries--)
3415                 msleep(1000);
3416
3417         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3418         if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS)
3419                 ret =  PCI_ERS_RESULT_RECOVERED;
3420         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3421
3422         pci_cleanup_aer_uncorrect_error_status(pdev);
3423
3424         DEBUG17(qla_printk(KERN_WARNING, ha,
3425             "slot_reset-return:ret=%x\n", ret));
3426
3427         return ret;
3428 }
3429
3430 static void
3431 qla2xxx_pci_resume(struct pci_dev *pdev)
3432 {
3433         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3434         struct qla_hw_data *ha = base_vha->hw;
3435         int ret;
3436
3437         DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
3438
3439         ret = qla2x00_wait_for_hba_online(base_vha);
3440         if (ret != QLA_SUCCESS) {
3441                 qla_printk(KERN_ERR, ha,
3442                     "the device failed to resume I/O "
3443                     "from slot/link_reset");
3444         }
3445
3446         ha->flags.eeh_busy = 0;
3447 }
3448
3449 static struct pci_error_handlers qla2xxx_err_handler = {
3450         .error_detected = qla2xxx_pci_error_detected,
3451         .mmio_enabled = qla2xxx_pci_mmio_enabled,
3452         .slot_reset = qla2xxx_pci_slot_reset,
3453         .resume = qla2xxx_pci_resume,
3454 };
3455
3456 static struct pci_device_id qla2xxx_pci_tbl[] = {
3457         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3458         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3459         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3460         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3461         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3462         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3463         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3464         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3465         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3466         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3467         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3468         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3469         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3470         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3471         { 0 },
3472 };
3473 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3474
3475 static struct pci_driver qla2xxx_pci_driver = {
3476         .name           = QLA2XXX_DRIVER_NAME,
3477         .driver         = {
3478                 .owner          = THIS_MODULE,
3479         },
3480         .id_table       = qla2xxx_pci_tbl,
3481         .probe          = qla2x00_probe_one,
3482         .remove         = qla2x00_remove_one,
3483         .err_handler    = &qla2xxx_err_handler,
3484 };
3485
3486 /**
3487  * qla2x00_module_init - Module initialization.
3488  **/
3489 static int __init
3490 qla2x00_module_init(void)
3491 {
3492         int ret = 0;
3493
3494         /* Allocate cache for SRBs. */
3495         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3496             SLAB_HWCACHE_ALIGN, NULL);
3497         if (srb_cachep == NULL) {
3498                 printk(KERN_ERR
3499                     "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3500                 return -ENOMEM;
3501         }
3502
3503         /* Derive version string. */
3504         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3505         if (ql2xextended_error_logging)
3506                 strcat(qla2x00_version_str, "-debug");
3507
3508         qla2xxx_transport_template =
3509             fc_attach_transport(&qla2xxx_transport_functions);
3510         if (!qla2xxx_transport_template) {
3511                 kmem_cache_destroy(srb_cachep);
3512                 return -ENODEV;
3513         }
3514         qla2xxx_transport_vport_template =
3515             fc_attach_transport(&qla2xxx_transport_vport_functions);
3516         if (!qla2xxx_transport_vport_template) {
3517                 kmem_cache_destroy(srb_cachep);
3518                 fc_release_transport(qla2xxx_transport_template);
3519                 return -ENODEV;
3520         }
3521
3522         printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3523             qla2x00_version_str);
3524         ret = pci_register_driver(&qla2xxx_pci_driver);
3525         if (ret) {
3526                 kmem_cache_destroy(srb_cachep);
3527                 fc_release_transport(qla2xxx_transport_template);
3528                 fc_release_transport(qla2xxx_transport_vport_template);
3529         }
3530         return ret;
3531 }
3532
3533 /**
3534  * qla2x00_module_exit - Module cleanup.
3535  **/
3536 static void __exit
3537 qla2x00_module_exit(void)
3538 {
3539         pci_unregister_driver(&qla2xxx_pci_driver);
3540         qla2x00_release_firmware();
3541         kmem_cache_destroy(srb_cachep);
3542         fc_release_transport(qla2xxx_transport_template);
3543         fc_release_transport(qla2xxx_transport_vport_template);
3544 }
3545
3546 module_init(qla2x00_module_init);
3547 module_exit(qla2x00_module_exit);
3548
3549 MODULE_AUTHOR("QLogic Corporation");
3550 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3551 MODULE_LICENSE("GPL");
3552 MODULE_VERSION(QLA2XXX_VERSION);
3553 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3554 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3555 MODULE_FIRMWARE(FW_FILE_ISP2300);
3556 MODULE_FIRMWARE(FW_FILE_ISP2322);
3557 MODULE_FIRMWARE(FW_FILE_ISP24XX);
3558 MODULE_FIRMWARE(FW_FILE_ISP25XX);