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 #include <linux/slab.h>
  16
  17 #include <scsi/scsi_tcq.h>
  18 #include <scsi/scsicam.h>
  19 #include <scsi/scsi_transport.h>
  20 #include <scsi/scsi_transport_fc.h>
  21
  22 /*
  23  * Driver version
  24  */
  25 char qla2x00_version_str[40];
  26
  27 static int apidev_major;
  28
  29 /*
  30  * SRB allocation cache
  31  */
  32 static struct kmem_cache *srb_cachep;
  33
  34 /*
  35  * CT6 CTX allocation cache
  36  */
  37 static struct kmem_cache *ctx_cachep;
  38
  39 int ql2xlogintimeout = 20;
  40 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
  41 MODULE_PARM_DESC(ql2xlogintimeout,
  42                 "Login timeout value in seconds.");
  43
  44 int qlport_down_retry;
  45 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
  46 MODULE_PARM_DESC(qlport_down_retry,
  47                 "Maximum number of command retries to a port that returns "
  48                 "a PORT-DOWN status.");
  49
  50 int ql2xplogiabsentdevice;
  51 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
  52 MODULE_PARM_DESC(ql2xplogiabsentdevice,
  53                 "Option to enable PLOGI to devices that are not present after "
  54                 "a Fabric scan.  This is needed for several broken switches. "
  55                 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
  56
  57 int ql2xloginretrycount = 0;
  58 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
  59 MODULE_PARM_DESC(ql2xloginretrycount,
  60                 "Specify an alternate value for the NVRAM login retry count.");
  61
  62 int ql2xallocfwdump = 1;
  63 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
  64 MODULE_PARM_DESC(ql2xallocfwdump,
  65                 "Option to enable allocation of memory for a firmware dump "
  66                 "during HBA initialization.  Memory allocation requirements "
  67                 "vary by ISP type.  Default is 1 - allocate memory.");
  68
  69 int ql2xextended_error_logging;
  70 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  71 MODULE_PARM_DESC(ql2xextended_error_logging,
  72                 "Option to enable extended error logging, "
  73                 "Default is 0 - no logging. 1 - log errors.");
  74
  75 int ql2xshiftctondsd = 6;
  76 module_param(ql2xshiftctondsd, int, S_IRUGO|S_IRUSR);
  77 MODULE_PARM_DESC(ql2xshiftctondsd,
  78                 "Set to control shifting of command type processing "
  79                 "based on total number of SG elements.");
  80
  81 static void qla2x00_free_device(scsi_qla_host_t *);
  82
  83 int ql2xfdmienable=1;
  84 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
  85 MODULE_PARM_DESC(ql2xfdmienable,
  86                 "Enables FDMI registrations. "
  87                 "0 - no FDMI. Default is 1 - perform FDMI.");
  88
  89 #define MAX_Q_DEPTH    32
  90 static int ql2xmaxqdepth = MAX_Q_DEPTH;
  91 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
  92 MODULE_PARM_DESC(ql2xmaxqdepth,
  93                 "Maximum queue depth to report for target devices.");
  94
  95 /* Do not change the value of this after module load */
  96 int ql2xenabledif = 1;
  97 module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR);
  98 MODULE_PARM_DESC(ql2xenabledif,
  99                 " Enable T10-CRC-DIF "
 100                 " Default is 0 - No DIF Support. 1 - Enable it");
 101
 102 int ql2xenablehba_err_chk;
 103 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
 104 MODULE_PARM_DESC(ql2xenablehba_err_chk,
 105                 " Enable T10-CRC-DIF Error isolation by HBA"
 106                 " Default is 0 - Error isolation disabled, 1 - Enable it");
 107
 108 int ql2xiidmaenable=1;
 109 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
 110 MODULE_PARM_DESC(ql2xiidmaenable,
 111                 "Enables iIDMA settings "
 112                 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
 113
 114 int ql2xmaxqueues = 1;
 115 module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
 116 MODULE_PARM_DESC(ql2xmaxqueues,
 117                 "Enables MQ settings "
 118                 "Default is 1 for single queue. Set it to number \
 119                         of queues in MQ mode.");
 120
 121 int ql2xmultique_tag;
 122 module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR);
 123 MODULE_PARM_DESC(ql2xmultique_tag,
 124                 "Enables CPU affinity settings for the driver "
 125                 "Default is 0 for no affinity of request and response IO. "
 126                 "Set it to 1 to turn on the cpu affinity.");
 127
 128 int ql2xfwloadbin;
 129 module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
 130 MODULE_PARM_DESC(ql2xfwloadbin,
 131                 "Option to specify location from which to load ISP firmware:\n"
 132                 " 2 -- load firmware via the request_firmware() (hotplug)\n"
 133                 "      interface.\n"
 134                 " 1 -- load firmware from flash.\n"
 135                 " 0 -- use default semantics.\n");
 136
 137 int ql2xetsenable;
 138 module_param(ql2xetsenable, int, S_IRUGO|S_IRUSR);
 139 MODULE_PARM_DESC(ql2xetsenable,
 140                 "Enables firmware ETS burst."
 141                 "Default is 0 - skip ETS enablement.");
 142
 143 int ql2xdbwr;
 144 module_param(ql2xdbwr, int, S_IRUGO|S_IRUSR);
 145 MODULE_PARM_DESC(ql2xdbwr,
 146         "Option to specify scheme for request queue posting\n"
 147         " 0 -- Regular doorbell.\n"
 148         " 1 -- CAMRAM doorbell (faster).\n");
 149
 150 int ql2xdontresethba;
 151 module_param(ql2xdontresethba, int, S_IRUGO|S_IRUSR);
 152 MODULE_PARM_DESC(ql2xdontresethba,
 153         "Option to specify reset behaviour\n"
 154         " 0 (Default) -- Reset on failure.\n"
 155         " 1 -- Do not reset on failure.\n");
 156
 157 int ql2xtargetreset = 1;
 158 module_param(ql2xtargetreset, int, S_IRUGO|S_IRUSR);
 159 MODULE_PARM_DESC(ql2xtargetreset,
 160                  "Enable target reset."
 161                  "Default is 1 - use hw defaults.");
 162
 163
 164 int ql2xasynctmfenable;
 165 module_param(ql2xasynctmfenable, int, S_IRUGO|S_IRUSR);
 166 MODULE_PARM_DESC(ql2xasynctmfenable,
 167                 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
 168                 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
 169 /*
 170  * SCSI host template entry points
 171  */
 172 static int qla2xxx_slave_configure(struct scsi_device * device);
 173 static int qla2xxx_slave_alloc(struct scsi_device *);
 174 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
 175 static void qla2xxx_scan_start(struct Scsi_Host *);
 176 static void qla2xxx_slave_destroy(struct scsi_device *);
 177 static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
 178                 void (*fn)(struct scsi_cmnd *));
 179 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 180 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 181 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
 182 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 183 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 184
 185 static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
 186 static int qla2x00_change_queue_type(struct scsi_device *, int);
 187
 188 struct scsi_host_template qla2xxx_driver_template = {
 189         .module                 = THIS_MODULE,
 190         .name                   = QLA2XXX_DRIVER_NAME,
 191         .queuecommand           = qla2xxx_queuecommand,
 192
 193         .eh_abort_handler       = qla2xxx_eh_abort,
 194         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 195         .eh_target_reset_handler = qla2xxx_eh_target_reset,
 196         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 197         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 198
 199         .slave_configure        = qla2xxx_slave_configure,
 200
 201         .slave_alloc            = qla2xxx_slave_alloc,
 202         .slave_destroy          = qla2xxx_slave_destroy,
 203         .scan_finished          = qla2xxx_scan_finished,
 204         .scan_start             = qla2xxx_scan_start,
 205         .change_queue_depth     = qla2x00_change_queue_depth,
 206         .change_queue_type      = qla2x00_change_queue_type,
 207         .this_id                = -1,
 208         .cmd_per_lun            = 3,
 209         .use_clustering         = ENABLE_CLUSTERING,
 210         .sg_tablesize           = SG_ALL,
 211
 212         .max_sectors            = 0xFFFF,
 213         .shost_attrs            = qla2x00_host_attrs,
 214 };
 215
 216 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 217 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 218
 219 /* TODO Convert to inlines
 220  *
 221  * Timer routines
 222  */
 223
 224 __inline__ void
 225 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
 226 {
 227         init_timer(&vha->timer);
 228         vha->timer.expires = jiffies + interval * HZ;
 229         vha->timer.data = (unsigned long)vha;
 230         vha->timer.function = (void (*)(unsigned long))func;
 231         add_timer(&vha->timer);
 232         vha->timer_active = 1;
 233 }
 234
 235 static inline void
 236 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
 237 {
 238         /* Currently used for 82XX only. */
 239         if (vha->device_flags & DFLG_DEV_FAILED)
 240                 return;
 241
 242         mod_timer(&vha->timer, jiffies + interval * HZ);
 243 }
 244
 245 static __inline__ void
 246 qla2x00_stop_timer(scsi_qla_host_t *vha)
 247 {
 248         del_timer_sync(&vha->timer);
 249         vha->timer_active = 0;
 250 }
 251
 252 static int qla2x00_do_dpc(void *data);
 253
 254 static void qla2x00_rst_aen(scsi_qla_host_t *);
 255
 256 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
 257         struct req_que **, struct rsp_que **);
 258 static void qla2x00_mem_free(struct qla_hw_data *);
 259 static void qla2x00_sp_free_dma(srb_t *);
 260
 261 /* -------------------------------------------------------------------------- */
 262 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
 263 {
 264         ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
 265                                 GFP_KERNEL);
 266         if (!ha->req_q_map) {
 267                 qla_printk(KERN_WARNING, ha,
 268                         "Unable to allocate memory for request queue ptrs\n");
 269                 goto fail_req_map;
 270         }
 271
 272         ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
 273                                 GFP_KERNEL);
 274         if (!ha->rsp_q_map) {
 275                 qla_printk(KERN_WARNING, ha,
 276                         "Unable to allocate memory for response queue ptrs\n");
 277                 goto fail_rsp_map;
 278         }
 279         set_bit(0, ha->rsp_qid_map);
 280         set_bit(0, ha->req_qid_map);
 281         return 1;
 282
 283 fail_rsp_map:
 284         kfree(ha->req_q_map);
 285         ha->req_q_map = NULL;
 286 fail_req_map:
 287         return -ENOMEM;
 288 }
 289
 290 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 291 {
 292         if (req && req->ring)
 293                 dma_free_coherent(&ha->pdev->dev,
 294                 (req->length + 1) * sizeof(request_t),
 295                 req->ring, req->dma);
 296
 297         kfree(req);
 298         req = NULL;
 299 }
 300
 301 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
 302 {
 303         if (rsp && rsp->ring)
 304                 dma_free_coherent(&ha->pdev->dev,
 305                 (rsp->length + 1) * sizeof(response_t),
 306                 rsp->ring, rsp->dma);
 307
 308         kfree(rsp);
 309         rsp = NULL;
 310 }
 311
 312 static void qla2x00_free_queues(struct qla_hw_data *ha)
 313 {
 314         struct req_que *req;
 315         struct rsp_que *rsp;
 316         int cnt;
 317
 318         for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
 319                 req = ha->req_q_map[cnt];
 320                 qla2x00_free_req_que(ha, req);
 321         }
 322         kfree(ha->req_q_map);
 323         ha->req_q_map = NULL;
 324
 325         for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
 326                 rsp = ha->rsp_q_map[cnt];
 327                 qla2x00_free_rsp_que(ha, rsp);
 328         }
 329         kfree(ha->rsp_q_map);
 330         ha->rsp_q_map = NULL;
 331 }
 332
 333 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
 334 {
 335         uint16_t options = 0;
 336         int ques, req, ret;
 337         struct qla_hw_data *ha = vha->hw;
 338
 339         if (!(ha->fw_attributes & BIT_6)) {
 340                 qla_printk(KERN_INFO, ha,
 341                         "Firmware is not multi-queue capable\n");
 342                 goto fail;
 343         }
 344         if (ql2xmultique_tag) {
 345                 /* create a request queue for IO */
 346                 options |= BIT_7;
 347                 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
 348                         QLA_DEFAULT_QUE_QOS);
 349                 if (!req) {
 350                         qla_printk(KERN_WARNING, ha,
 351                                 "Can't create request queue\n");
 352                         goto fail;
 353                 }
 354                 ha->wq = create_workqueue("qla2xxx_wq");
 355                 vha->req = ha->req_q_map[req];
 356                 options |= BIT_1;
 357                 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
 358                         ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
 359                         if (!ret) {
 360                                 qla_printk(KERN_WARNING, ha,
 361                                         "Response Queue create failed\n");
 362                                 goto fail2;
 363                         }
 364                 }
 365                 ha->flags.cpu_affinity_enabled = 1;
 366
 367                 DEBUG2(qla_printk(KERN_INFO, ha,
 368                         "CPU affinity mode enabled, no. of response"
 369                         " queues:%d, no. of request queues:%d\n",
 370                         ha->max_rsp_queues, ha->max_req_queues));
 371         }
 372         return 0;
 373 fail2:
 374         qla25xx_delete_queues(vha);
 375         destroy_workqueue(ha->wq);
 376         ha->wq = NULL;
 377 fail:
 378         ha->mqenable = 0;
 379         kfree(ha->req_q_map);
 380         kfree(ha->rsp_q_map);
 381         ha->max_req_queues = ha->max_rsp_queues = 1;
 382         return 1;
 383 }
 384
 385 static char *
 386 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
 387 {
 388         struct qla_hw_data *ha = vha->hw;
 389         static char *pci_bus_modes[] = {
 390                 "33", "66", "100", "133",
 391         };
 392         uint16_t pci_bus;
 393
 394         strcpy(str, "PCI");
 395         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 396         if (pci_bus) {
 397                 strcat(str, "-X (");
 398                 strcat(str, pci_bus_modes[pci_bus]);
 399         } else {
 400                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 401                 strcat(str, " (");
 402                 strcat(str, pci_bus_modes[pci_bus]);
 403         }
 404         strcat(str, " MHz)");
 405
 406         return (str);
 407 }
 408
 409 static char *
 410 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
 411 {
 412         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 413         struct qla_hw_data *ha = vha->hw;
 414         uint32_t pci_bus;
 415         int pcie_reg;
 416
 417         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 418         if (pcie_reg) {
 419                 char lwstr[6];
 420                 uint16_t pcie_lstat, lspeed, lwidth;
 421
 422                 pcie_reg += 0x12;
 423                 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 424                 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 425                 lwidth = (pcie_lstat &
 426                     (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 427
 428                 strcpy(str, "PCIe (");
 429                 if (lspeed == 1)
 430                         strcat(str, "2.5GT/s ");
 431                 else if (lspeed == 2)
 432                         strcat(str, "5.0GT/s ");
 433                 else
 434                         strcat(str, "<unknown> ");
 435                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 436                 strcat(str, lwstr);
 437
 438                 return str;
 439         }
 440
 441         strcpy(str, "PCI");
 442         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 443         if (pci_bus == 0 || pci_bus == 8) {
 444                 strcat(str, " (");
 445                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 446         } else {
 447                 strcat(str, "-X ");
 448                 if (pci_bus & BIT_2)
 449                         strcat(str, "Mode 2");
 450                 else
 451                         strcat(str, "Mode 1");
 452                 strcat(str, " (");
 453                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 454         }
 455         strcat(str, " MHz)");
 456
 457         return str;
 458 }
 459
 460 static char *
 461 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
 462 {
 463         char un_str[10];
 464         struct qla_hw_data *ha = vha->hw;
 465
 466         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 467             ha->fw_minor_version,
 468             ha->fw_subminor_version);
 469
 470         if (ha->fw_attributes & BIT_9) {
 471                 strcat(str, "FLX");
 472                 return (str);
 473         }
 474
 475         switch (ha->fw_attributes & 0xFF) {
 476         case 0x7:
 477                 strcat(str, "EF");
 478                 break;
 479         case 0x17:
 480                 strcat(str, "TP");
 481                 break;
 482         case 0x37:
 483                 strcat(str, "IP");
 484                 break;
 485         case 0x77:
 486                 strcat(str, "VI");
 487                 break;
 488         default:
 489                 sprintf(un_str, "(%x)", ha->fw_attributes);
 490                 strcat(str, un_str);
 491                 break;
 492         }
 493         if (ha->fw_attributes & 0x100)
 494                 strcat(str, "X");
 495
 496         return (str);
 497 }
 498
 499 static char *
 500 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
 501 {
 502         struct qla_hw_data *ha = vha->hw;
 503
 504         sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
 505             ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
 506         return str;
 507 }
 508
 509 static inline srb_t *
 510 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
 511     struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 512 {
 513         srb_t *sp;
 514         struct qla_hw_data *ha = vha->hw;
 515
 516         sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
 517         if (!sp)
 518                 return sp;
 519
 520         atomic_set(&sp->ref_count, 1);
 521         sp->fcport = fcport;
 522         sp->cmd = cmd;
 523         sp->flags = 0;
 524         CMD_SP(cmd) = (void *)sp;
 525         cmd->scsi_done = done;
 526         sp->ctx = NULL;
 527
 528         return sp;
 529 }
 530
 531 static int
 532 qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 533 {
 534         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 535         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 536         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 537         struct qla_hw_data *ha = vha->hw;
 538         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 539         srb_t *sp;
 540         int rval;
 541
 542         if (ha->flags.eeh_busy) {
 543                 if (ha->flags.pci_channel_io_perm_failure)
 544                         cmd->result = DID_NO_CONNECT << 16;
 545                 else
 546                         cmd->result = DID_REQUEUE << 16;
 547                 goto qc24_fail_command;
 548         }
 549
 550         rval = fc_remote_port_chkready(rport);
 551         if (rval) {
 552                 cmd->result = rval;
 553                 goto qc24_fail_command;
 554         }
 555
 556         /* Close window on fcport/rport state-transitioning. */
 557         if (fcport->drport)
 558                 goto qc24_target_busy;
 559
 560         if (!vha->flags.difdix_supported &&
 561                 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
 562                         DEBUG2(qla_printk(KERN_ERR, ha,
 563                             "DIF Cap Not Reg, fail DIF capable cmd's:%x\n",
 564                             cmd->cmnd[0]));
 565                         cmd->result = DID_NO_CONNECT << 16;
 566                         goto qc24_fail_command;
 567         }
 568         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 569                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 570                     atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 571                         cmd->result = DID_NO_CONNECT << 16;
 572                         goto qc24_fail_command;
 573                 }
 574                 goto qc24_target_busy;
 575         }
 576
 577         spin_unlock_irq(vha->host->host_lock);
 578
 579         sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
 580         if (!sp)
 581                 goto qc24_host_busy_lock;
 582
 583         rval = ha->isp_ops->start_scsi(sp);
 584         if (rval != QLA_SUCCESS)
 585                 goto qc24_host_busy_free_sp;
 586
 587         spin_lock_irq(vha->host->host_lock);
 588
 589         return 0;
 590
 591 qc24_host_busy_free_sp:
 592         qla2x00_sp_free_dma(sp);
 593         mempool_free(sp, ha->srb_mempool);
 594
 595 qc24_host_busy_lock:
 596         spin_lock_irq(vha->host->host_lock);
 597         return SCSI_MLQUEUE_HOST_BUSY;
 598
 599 qc24_target_busy:
 600         return SCSI_MLQUEUE_TARGET_BUSY;
 601
 602 qc24_fail_command:
 603         done(cmd);
 604
 605         return 0;
 606 }
 607
 608
 609 /*
 610  * qla2x00_eh_wait_on_command
 611  *    Waits for the command to be returned by the Firmware for some
 612  *    max time.
 613  *
 614  * Input:
 615  *    cmd = Scsi Command to wait on.
 616  *
 617  * Return:
 618  *    Not Found : 0
 619  *    Found : 1
 620  */
 621 static int
 622 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
 623 {
 624 #define ABORT_POLLING_PERIOD    1000
 625 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 626         unsigned long wait_iter = ABORT_WAIT_ITER;
 627         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 628         struct qla_hw_data *ha = vha->hw;
 629         int ret = QLA_SUCCESS;
 630
 631         if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
 632                 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
 633                 return ret;
 634         }
 635
 636         while (CMD_SP(cmd) && wait_iter--) {
 637                 msleep(ABORT_POLLING_PERIOD);
 638         }
 639         if (CMD_SP(cmd))
 640                 ret = QLA_FUNCTION_FAILED;
 641
 642         return ret;
 643 }
 644
 645 /*
 646  * qla2x00_wait_for_hba_online
 647  *    Wait till the HBA is online after going through
 648  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 649  *    finally HBA is disabled ie marked offline
 650  *
 651  * Input:
 652  *     ha - pointer to host adapter structure
 653  *
 654  * Note:
 655  *    Does context switching-Release SPIN_LOCK
 656  *    (if any) before calling this routine.
 657  *
 658  * Return:
 659  *    Success (Adapter is online) : 0
 660  *    Failed  (Adapter is offline/disabled) : 1
 661  */
 662 int
 663 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
 664 {
 665         int             return_status;
 666         unsigned long   wait_online;
 667         struct qla_hw_data *ha = vha->hw;
 668         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 669
 670         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 671         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 672             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 673             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 674             ha->dpc_active) && time_before(jiffies, wait_online)) {
 675
 676                 msleep(1000);
 677         }
 678         if (base_vha->flags.online)
 679                 return_status = QLA_SUCCESS;
 680         else
 681                 return_status = QLA_FUNCTION_FAILED;
 682
 683         return (return_status);
 684 }
 685
 686 /*
 687  * qla2x00_wait_for_reset_ready
 688  *    Wait till the HBA is online after going through
 689  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 690  *    finally HBA is disabled ie marked offline or flash
 691  *    operations are in progress.
 692  *
 693  * Input:
 694  *     ha - pointer to host adapter structure
 695  *
 696  * Note:
 697  *    Does context switching-Release SPIN_LOCK
 698  *    (if any) before calling this routine.
 699  *
 700  * Return:
 701  *    Success (Adapter is online/no flash ops) : 0
 702  *    Failed  (Adapter is offline/disabled/flash ops in progress) : 1
 703  */
 704 int
 705 qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
 706 {
 707         int             return_status;
 708         unsigned long   wait_online;
 709         struct qla_hw_data *ha = vha->hw;
 710         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 711
 712         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 713         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 714             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 715             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 716             ha->optrom_state != QLA_SWAITING ||
 717             ha->dpc_active) && time_before(jiffies, wait_online))
 718                 msleep(1000);
 719
 720         if (base_vha->flags.online &&  ha->optrom_state == QLA_SWAITING)
 721                 return_status = QLA_SUCCESS;
 722         else
 723                 return_status = QLA_FUNCTION_FAILED;
 724
 725         DEBUG2(printk("%s return_status=%d\n", __func__, return_status));
 726
 727         return return_status;
 728 }
 729
 730 int
 731 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
 732 {
 733         int             return_status;
 734         unsigned long   wait_reset;
 735         struct qla_hw_data *ha = vha->hw;
 736         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 737
 738         wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 739         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 740             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 741             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 742             ha->dpc_active) && time_before(jiffies, wait_reset)) {
 743
 744                 msleep(1000);
 745
 746                 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
 747                     ha->flags.chip_reset_done)
 748                         break;
 749         }
 750         if (ha->flags.chip_reset_done)
 751                 return_status = QLA_SUCCESS;
 752         else
 753                 return_status = QLA_FUNCTION_FAILED;
 754
 755         return return_status;
 756 }
 757
 758 /*
 759  * qla2x00_wait_for_loop_ready
 760  *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 761  *    to be in LOOP_READY state.
 762  * Input:
 763  *     ha - pointer to host adapter structure
 764  *
 765  * Note:
 766  *    Does context switching-Release SPIN_LOCK
 767  *    (if any) before calling this routine.
 768  *
 769  *
 770  * Return:
 771  *    Success (LOOP_READY) : 0
 772  *    Failed  (LOOP_NOT_READY) : 1
 773  */
 774 static inline int
 775 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
 776 {
 777         int      return_status = QLA_SUCCESS;
 778         unsigned long loop_timeout ;
 779         struct qla_hw_data *ha = vha->hw;
 780         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 781
 782         /* wait for 5 min at the max for loop to be ready */
 783         loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 784
 785         while ((!atomic_read(&base_vha->loop_down_timer) &&
 786             atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
 787             atomic_read(&base_vha->loop_state) != LOOP_READY) {
 788                 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 789                         return_status = QLA_FUNCTION_FAILED;
 790                         break;
 791                 }
 792                 msleep(1000);
 793                 if (time_after_eq(jiffies, loop_timeout)) {
 794                         return_status = QLA_FUNCTION_FAILED;
 795                         break;
 796                 }
 797         }
 798         return (return_status);
 799 }
 800
 801 static void
 802 sp_get(struct srb *sp)
 803 {
 804         atomic_inc(&sp->ref_count);
 805 }
 806
 807 /**************************************************************************
 808 * qla2xxx_eh_abort
 809 *
 810 * Description:
 811 *    The abort function will abort the specified command.
 812 *
 813 * Input:
 814 *    cmd = Linux SCSI command packet to be aborted.
 815 *
 816 * Returns:
 817 *    Either SUCCESS or FAILED.
 818 *
 819 * Note:
 820 *    Only return FAILED if command not returned by firmware.
 821 **************************************************************************/
 822 static int
 823 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 824 {
 825         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 826         srb_t *sp;
 827         int ret, i;
 828         unsigned int id, lun;
 829         unsigned long serial;
 830         unsigned long flags;
 831         int wait = 0;
 832         struct qla_hw_data *ha = vha->hw;
 833         struct req_que *req = vha->req;
 834         srb_t *spt;
 835         int got_ref = 0;
 836
 837         fc_block_scsi_eh(cmd);
 838
 839         if (!CMD_SP(cmd))
 840                 return SUCCESS;
 841
 842         ret = SUCCESS;
 843
 844         id = cmd->device->id;
 845         lun = cmd->device->lun;
 846         serial = cmd->serial_number;
 847         spt = (srb_t *) CMD_SP(cmd);
 848         if (!spt)
 849                 return SUCCESS;
 850
 851         /* Check active list for command command. */
 852         spin_lock_irqsave(&ha->hardware_lock, flags);
 853         for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
 854                 sp = req->outstanding_cmds[i];
 855
 856                 if (sp == NULL)
 857                         continue;
 858                 if ((sp->ctx) && !(sp->flags & SRB_FCP_CMND_DMA_VALID) &&
 859                     !IS_PROT_IO(sp))
 860                         continue;
 861                 if (sp->cmd != cmd)
 862                         continue;
 863
 864                 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
 865                 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
 866
 867                 /* Get a reference to the sp and drop the lock.*/
 868                 sp_get(sp);
 869                 got_ref++;
 870
 871                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 872                 if (ha->isp_ops->abort_command(sp)) {
 873                         DEBUG2(printk("%s(%ld): abort_command "
 874                         "mbx failed.\n", __func__, vha->host_no));
 875                         ret = FAILED;
 876                 } else {
 877                         DEBUG3(printk("%s(%ld): abort_command "
 878                         "mbx success.\n", __func__, vha->host_no));
 879                         wait = 1;
 880                 }
 881                 spin_lock_irqsave(&ha->hardware_lock, flags);
 882                 break;
 883         }
 884         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 885
 886         /* Wait for the command to be returned. */
 887         if (wait) {
 888                 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
 889                         qla_printk(KERN_ERR, ha,
 890                             "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
 891                             "%x.\n", vha->host_no, id, lun, serial, ret);
 892                         ret = FAILED;
 893                 }
 894         }
 895
 896         if (got_ref)
 897                 qla2x00_sp_compl(ha, sp);
 898
 899         qla_printk(KERN_INFO, ha,
 900             "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
 901             vha->host_no, id, lun, wait, serial, ret);
 902
 903         return ret;
 904 }
 905
 906 enum nexus_wait_type {
 907         WAIT_HOST = 0,
 908         WAIT_TARGET,
 909         WAIT_LUN,
 910 };
 911
 912 static int
 913 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
 914         unsigned int l, srb_t *sp, enum nexus_wait_type type)
 915 {
 916         int cnt, match, status;
 917         unsigned long flags;
 918         struct qla_hw_data *ha = vha->hw;
 919         struct req_que *req;
 920
 921         status = QLA_SUCCESS;
 922         if (!sp)
 923                 return status;
 924
 925         spin_lock_irqsave(&ha->hardware_lock, flags);
 926         req = vha->req;
 927         for (cnt = 1; status == QLA_SUCCESS &&
 928                 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 929                 sp = req->outstanding_cmds[cnt];
 930                 if (!sp)
 931                         continue;
 932                 if ((sp->ctx) && !IS_PROT_IO(sp))
 933                         continue;
 934                 if (vha->vp_idx != sp->fcport->vha->vp_idx)
 935                         continue;
 936                 match = 0;
 937                 switch (type) {
 938                 case WAIT_HOST:
 939                         match = 1;
 940                         break;
 941                 case WAIT_TARGET:
 942                         match = sp->cmd->device->id == t;
 943                         break;
 944                 case WAIT_LUN:
 945                         match = (sp->cmd->device->id == t &&
 946                                 sp->cmd->device->lun == l);
 947                         break;
 948                 }
 949                 if (!match)
 950                         continue;
 951
 952                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 953                 status = qla2x00_eh_wait_on_command(sp->cmd);
 954                 spin_lock_irqsave(&ha->hardware_lock, flags);
 955         }
 956         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 957
 958         return status;
 959 }
 960
 961 void qla82xx_wait_for_pending_commands(scsi_qla_host_t *vha)
 962 {
 963         int cnt;
 964         srb_t *sp;
 965         struct req_que *req = vha->req;
 966
 967         DEBUG2(qla_printk(KERN_INFO, vha->hw,
 968                 "Waiting for pending commands\n"));
 969         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 970                 sp = req->outstanding_cmds[cnt];
 971                 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
 972                         sp, WAIT_HOST) == QLA_SUCCESS) {
 973                         DEBUG2(qla_printk(KERN_INFO, vha->hw,
 974                                 "Done wait for pending commands\n"));
 975                 }
 976         }
 977 }
 978
 979 static char *reset_errors[] = {
 980         "HBA not online",
 981         "HBA not ready",
 982         "Task management failed",
 983         "Waiting for command completions",
 984 };
 985
 986 static int
 987 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
 988     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
 989 {
 990         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 991         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 992         int err;
 993
 994         fc_block_scsi_eh(cmd);
 995
 996         if (!fcport)
 997                 return FAILED;
 998
 999         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
1000             vha->host_no, cmd->device->id, cmd->device->lun, name);
1001
1002         err = 0;
1003         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1004                 goto eh_reset_failed;
1005         err = 1;
1006         if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
1007                 goto eh_reset_failed;
1008         err = 2;
1009         if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1010                 != QLA_SUCCESS)
1011                 goto eh_reset_failed;
1012         err = 3;
1013         if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1014             cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
1015                 goto eh_reset_failed;
1016
1017         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
1018             vha->host_no, cmd->device->id, cmd->device->lun, name);
1019
1020         return SUCCESS;
1021
1022  eh_reset_failed:
1023         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
1024             , vha->host_no, cmd->device->id, cmd->device->lun, name,
1025             reset_errors[err]);
1026         return FAILED;
1027 }
1028
1029 static int
1030 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1031 {
1032         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1033         struct qla_hw_data *ha = vha->hw;
1034
1035         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1036             ha->isp_ops->lun_reset);
1037 }
1038
1039 static int
1040 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1041 {
1042         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1043         struct qla_hw_data *ha = vha->hw;
1044
1045         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1046             ha->isp_ops->target_reset);
1047 }
1048
1049 /**************************************************************************
1050 * qla2xxx_eh_bus_reset
1051 *
1052 * Description:
1053 *    The bus reset function will reset the bus and abort any executing
1054 *    commands.
1055 *
1056 * Input:
1057 *    cmd = Linux SCSI command packet of the command that cause the
1058 *          bus reset.
1059 *
1060 * Returns:
1061 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1062 *
1063 **************************************************************************/
1064 static int
1065 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1066 {
1067         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1068         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1069         int ret = FAILED;
1070         unsigned int id, lun;
1071         unsigned long serial;
1072         srb_t *sp = (srb_t *) CMD_SP(cmd);
1073
1074         fc_block_scsi_eh(cmd);
1075
1076         id = cmd->device->id;
1077         lun = cmd->device->lun;
1078         serial = cmd->serial_number;
1079
1080         if (!fcport)
1081                 return ret;
1082
1083         qla_printk(KERN_INFO, vha->hw,
1084             "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1085
1086         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1087                 DEBUG2(printk("%s failed:board disabled\n",__func__));
1088                 goto eh_bus_reset_done;
1089         }
1090
1091         if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1092                 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1093                         ret = SUCCESS;
1094         }
1095         if (ret == FAILED)
1096                 goto eh_bus_reset_done;
1097
1098         /* Flush outstanding commands. */
1099         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
1100             QLA_SUCCESS)
1101                 ret = FAILED;
1102
1103 eh_bus_reset_done:
1104         qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1105             (ret == FAILED) ? "failed" : "succeded");
1106
1107         return ret;
1108 }
1109
1110 /**************************************************************************
1111 * qla2xxx_eh_host_reset
1112 *
1113 * Description:
1114 *    The reset function will reset the Adapter.
1115 *
1116 * Input:
1117 *      cmd = Linux SCSI command packet of the command that cause the
1118 *            adapter reset.
1119 *
1120 * Returns:
1121 *      Either SUCCESS or FAILED.
1122 *
1123 * Note:
1124 **************************************************************************/
1125 static int
1126 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1127 {
1128         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1129         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1130         struct qla_hw_data *ha = vha->hw;
1131         int ret = FAILED;
1132         unsigned int id, lun;
1133         unsigned long serial;
1134         srb_t *sp = (srb_t *) CMD_SP(cmd);
1135         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1136
1137         fc_block_scsi_eh(cmd);
1138
1139         id = cmd->device->id;
1140         lun = cmd->device->lun;
1141         serial = cmd->serial_number;
1142
1143         if (!fcport)
1144                 return ret;
1145
1146         qla_printk(KERN_INFO, ha,
1147             "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1148
1149         if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1150                 goto eh_host_reset_lock;
1151
1152         /*
1153          * Fixme-may be dpc thread is active and processing
1154          * loop_resync,so wait a while for it to
1155          * be completed and then issue big hammer.Otherwise
1156          * it may cause I/O failure as big hammer marks the
1157          * devices as lost kicking of the port_down_timer
1158          * while dpc is stuck for the mailbox to complete.
1159          */
1160         qla2x00_wait_for_loop_ready(vha);
1161         if (vha != base_vha) {
1162                 if (qla2x00_vp_abort_isp(vha))
1163                         goto eh_host_reset_lock;
1164         } else {
1165                 if (IS_QLA82XX(vha->hw)) {
1166                         if (!qla82xx_fcoe_ctx_reset(vha)) {
1167                                 /* Ctx reset success */
1168                                 ret = SUCCESS;
1169                                 goto eh_host_reset_lock;
1170                         }
1171                         /* fall thru if ctx reset failed */
1172                 }
1173                 if (ha->wq)
1174                         flush_workqueue(ha->wq);
1175
1176                 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1177                 if (ha->isp_ops->abort_isp(base_vha)) {
1178                         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1179                         /* failed. schedule dpc to try */
1180                         set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1181
1182                         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1183                                 goto eh_host_reset_lock;
1184                 }
1185                 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1186         }
1187
1188         /* Waiting for command to be returned to OS.*/
1189         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
1190                 QLA_SUCCESS)
1191                 ret = SUCCESS;
1192
1193 eh_host_reset_lock:
1194         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1195             (ret == FAILED) ? "failed" : "succeded");
1196
1197         return ret;
1198 }
1199
1200 /*
1201 * qla2x00_loop_reset
1202 *      Issue loop reset.
1203 *
1204 * Input:
1205 *      ha = adapter block pointer.
1206 *
1207 * Returns:
1208 *      0 = success
1209 */
1210 int
1211 qla2x00_loop_reset(scsi_qla_host_t *vha)
1212 {
1213         int ret;
1214         struct fc_port *fcport;
1215         struct qla_hw_data *ha = vha->hw;
1216
1217         if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1218                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1219                         if (fcport->port_type != FCT_TARGET)
1220                                 continue;
1221
1222                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
1223                         if (ret != QLA_SUCCESS) {
1224                                 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1225                                     "target_reset=%d d_id=%x.\n", __func__,
1226                                     vha->host_no, ret, fcport->d_id.b24));
1227                         }
1228                 }
1229         }
1230
1231         if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
1232                 ret = qla2x00_full_login_lip(vha);
1233                 if (ret != QLA_SUCCESS) {
1234                         DEBUG2_3(printk("%s(%ld): failed: "
1235                             "full_login_lip=%d.\n", __func__, vha->host_no,
1236                             ret));
1237                 }
1238                 atomic_set(&vha->loop_state, LOOP_DOWN);
1239                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1240                 qla2x00_mark_all_devices_lost(vha, 0);
1241                 qla2x00_wait_for_loop_ready(vha);
1242         }
1243
1244         if (ha->flags.enable_lip_reset) {
1245                 ret = qla2x00_lip_reset(vha);
1246                 if (ret != QLA_SUCCESS) {
1247                         DEBUG2_3(printk("%s(%ld): failed: "
1248                             "lip_reset=%d.\n", __func__, vha->host_no, ret));
1249                 } else
1250                         qla2x00_wait_for_loop_ready(vha);
1251         }
1252
1253         /* Issue marker command only when we are going to start the I/O */
1254         vha->marker_needed = 1;
1255
1256         return QLA_SUCCESS;
1257 }
1258
1259 void
1260 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1261 {
1262         int que, cnt;
1263         unsigned long flags;
1264         srb_t *sp;
1265         struct srb_ctx *ctx;
1266         struct qla_hw_data *ha = vha->hw;
1267         struct req_que *req;
1268
1269         spin_lock_irqsave(&ha->hardware_lock, flags);
1270         for (que = 0; que < ha->max_req_queues; que++) {
1271                 req = ha->req_q_map[que];
1272                 if (!req)
1273                         continue;
1274                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1275                         sp = req->outstanding_cmds[cnt];
1276                         if (sp) {
1277                                 req->outstanding_cmds[cnt] = NULL;
1278                                 if (!sp->ctx ||
1279                                         (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1280                                         IS_PROT_IO(sp)) {
1281                                         sp->cmd->result = res;
1282                                         qla2x00_sp_compl(ha, sp);
1283                                 } else {
1284                                         ctx = sp->ctx;
1285                                         if (ctx->type == SRB_LOGIN_CMD ||
1286                                             ctx->type == SRB_LOGOUT_CMD) {
1287                                                 ctx->u.iocb_cmd->free(sp);
1288                                         } else {
1289                                                 struct fc_bsg_job *bsg_job =
1290                                                     ctx->u.bsg_job;
1291                                                 if (bsg_job->request->msgcode
1292                                                     == FC_BSG_HST_CT)
1293                                                         kfree(sp->fcport);
1294                                                 bsg_job->req->errors = 0;
1295                                                 bsg_job->reply->result = res;
1296                                                 bsg_job->job_done(bsg_job);
1297                                                 kfree(sp->ctx);
1298                                                 mempool_free(sp,
1299                                                         ha->srb_mempool);
1300                                         }
1301                                 }
1302                         }
1303                 }
1304         }
1305         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1306 }
1307
1308 static int
1309 qla2xxx_slave_alloc(struct scsi_device *sdev)
1310 {
1311         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1312
1313         if (!rport || fc_remote_port_chkready(rport))
1314                 return -ENXIO;
1315
1316         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1317
1318         return 0;
1319 }
1320
1321 static int
1322 qla2xxx_slave_configure(struct scsi_device *sdev)
1323 {
1324         scsi_qla_host_t *vha = shost_priv(sdev->host);
1325         struct qla_hw_data *ha = vha->hw;
1326         struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1327         struct req_que *req = vha->req;
1328
1329         if (sdev->tagged_supported)
1330                 scsi_activate_tcq(sdev, req->max_q_depth);
1331         else
1332                 scsi_deactivate_tcq(sdev, req->max_q_depth);
1333
1334         rport->dev_loss_tmo = ha->port_down_retry_count;
1335
1336         return 0;
1337 }
1338
1339 static void
1340 qla2xxx_slave_destroy(struct scsi_device *sdev)
1341 {
1342         sdev->hostdata = NULL;
1343 }
1344
1345 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1346 {
1347         fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1348
1349         if (!scsi_track_queue_full(sdev, qdepth))
1350                 return;
1351
1352         DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1353                 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1354                 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1355                 sdev->queue_depth));
1356 }
1357
1358 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1359 {
1360         fc_port_t *fcport = sdev->hostdata;
1361         struct scsi_qla_host *vha = fcport->vha;
1362         struct qla_hw_data *ha = vha->hw;
1363         struct req_que *req = NULL;
1364
1365         req = vha->req;
1366         if (!req)
1367                 return;
1368
1369         if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1370                 return;
1371
1372         if (sdev->ordered_tags)
1373                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1374         else
1375                 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1376
1377         DEBUG2(qla_printk(KERN_INFO, ha,
1378                "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1379                fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1380                sdev->queue_depth));
1381 }
1382
1383 static int
1384 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1385 {
1386         switch (reason) {
1387         case SCSI_QDEPTH_DEFAULT:
1388                 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1389                 break;
1390         case SCSI_QDEPTH_QFULL:
1391                 qla2x00_handle_queue_full(sdev, qdepth);
1392                 break;
1393         case SCSI_QDEPTH_RAMP_UP:
1394                 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1395                 break;
1396         default:
1397                 return -EOPNOTSUPP;
1398         }
1399
1400         return sdev->queue_depth;
1401 }
1402
1403 static int
1404 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1405 {
1406         if (sdev->tagged_supported) {
1407                 scsi_set_tag_type(sdev, tag_type);
1408                 if (tag_type)
1409                         scsi_activate_tcq(sdev, sdev->queue_depth);
1410                 else
1411                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1412         } else
1413                 tag_type = 0;
1414
1415         return tag_type;
1416 }
1417
1418 /**
1419  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1420  * @ha: HA context
1421  *
1422  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1423  * supported addressing method.
1424  */
1425 static void
1426 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1427 {
1428         /* Assume a 32bit DMA mask. */
1429         ha->flags.enable_64bit_addressing = 0;
1430
1431         if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1432                 /* Any upper-dword bits set? */
1433                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1434                     !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1435                         /* Ok, a 64bit DMA mask is applicable. */
1436                         ha->flags.enable_64bit_addressing = 1;
1437                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1438                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1439                         return;
1440                 }
1441         }
1442
1443         dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1444         pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1445 }
1446
1447 static void
1448 qla2x00_enable_intrs(struct qla_hw_data *ha)
1449 {
1450         unsigned long flags = 0;
1451         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1452
1453         spin_lock_irqsave(&ha->hardware_lock, flags);
1454         ha->interrupts_on = 1;
1455         /* enable risc and host interrupts */
1456         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1457         RD_REG_WORD(&reg->ictrl);
1458         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1459
1460 }
1461
1462 static void
1463 qla2x00_disable_intrs(struct qla_hw_data *ha)
1464 {
1465         unsigned long flags = 0;
1466         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1467
1468         spin_lock_irqsave(&ha->hardware_lock, flags);
1469         ha->interrupts_on = 0;
1470         /* disable risc and host interrupts */
1471         WRT_REG_WORD(&reg->ictrl, 0);
1472         RD_REG_WORD(&reg->ictrl);
1473         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1474 }
1475
1476 static void
1477 qla24xx_enable_intrs(struct qla_hw_data *ha)
1478 {
1479         unsigned long flags = 0;
1480         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1481
1482         spin_lock_irqsave(&ha->hardware_lock, flags);
1483         ha->interrupts_on = 1;
1484         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1485         RD_REG_DWORD(&reg->ictrl);
1486         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1487 }
1488
1489 static void
1490 qla24xx_disable_intrs(struct qla_hw_data *ha)
1491 {
1492         unsigned long flags = 0;
1493         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1494
1495         if (IS_NOPOLLING_TYPE(ha))
1496                 return;
1497         spin_lock_irqsave(&ha->hardware_lock, flags);
1498         ha->interrupts_on = 0;
1499         WRT_REG_DWORD(&reg->ictrl, 0);
1500         RD_REG_DWORD(&reg->ictrl);
1501         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1502 }
1503
1504 static struct isp_operations qla2100_isp_ops = {
1505         .pci_config             = qla2100_pci_config,
1506         .reset_chip             = qla2x00_reset_chip,
1507         .chip_diag              = qla2x00_chip_diag,
1508         .config_rings           = qla2x00_config_rings,
1509         .reset_adapter          = qla2x00_reset_adapter,
1510         .nvram_config           = qla2x00_nvram_config,
1511         .update_fw_options      = qla2x00_update_fw_options,
1512         .load_risc              = qla2x00_load_risc,
1513         .pci_info_str           = qla2x00_pci_info_str,
1514         .fw_version_str         = qla2x00_fw_version_str,
1515         .intr_handler           = qla2100_intr_handler,
1516         .enable_intrs           = qla2x00_enable_intrs,
1517         .disable_intrs          = qla2x00_disable_intrs,
1518         .abort_command          = qla2x00_abort_command,
1519         .target_reset           = qla2x00_abort_target,
1520         .lun_reset              = qla2x00_lun_reset,
1521         .fabric_login           = qla2x00_login_fabric,
1522         .fabric_logout          = qla2x00_fabric_logout,
1523         .calc_req_entries       = qla2x00_calc_iocbs_32,
1524         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1525         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1526         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1527         .read_nvram             = qla2x00_read_nvram_data,
1528         .write_nvram            = qla2x00_write_nvram_data,
1529         .fw_dump                = qla2100_fw_dump,
1530         .beacon_on              = NULL,
1531         .beacon_off             = NULL,
1532         .beacon_blink           = NULL,
1533         .read_optrom            = qla2x00_read_optrom_data,
1534         .write_optrom           = qla2x00_write_optrom_data,
1535         .get_flash_version      = qla2x00_get_flash_version,
1536         .start_scsi             = qla2x00_start_scsi,
1537         .abort_isp              = qla2x00_abort_isp,
1538 };
1539
1540 static struct isp_operations qla2300_isp_ops = {
1541         .pci_config             = qla2300_pci_config,
1542         .reset_chip             = qla2x00_reset_chip,
1543         .chip_diag              = qla2x00_chip_diag,
1544         .config_rings           = qla2x00_config_rings,
1545         .reset_adapter          = qla2x00_reset_adapter,
1546         .nvram_config           = qla2x00_nvram_config,
1547         .update_fw_options      = qla2x00_update_fw_options,
1548         .load_risc              = qla2x00_load_risc,
1549         .pci_info_str           = qla2x00_pci_info_str,
1550         .fw_version_str         = qla2x00_fw_version_str,
1551         .intr_handler           = qla2300_intr_handler,
1552         .enable_intrs           = qla2x00_enable_intrs,
1553         .disable_intrs          = qla2x00_disable_intrs,
1554         .abort_command          = qla2x00_abort_command,
1555         .target_reset           = qla2x00_abort_target,
1556         .lun_reset              = qla2x00_lun_reset,
1557         .fabric_login           = qla2x00_login_fabric,
1558         .fabric_logout          = qla2x00_fabric_logout,
1559         .calc_req_entries       = qla2x00_calc_iocbs_32,
1560         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1561         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1562         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1563         .read_nvram             = qla2x00_read_nvram_data,
1564         .write_nvram            = qla2x00_write_nvram_data,
1565         .fw_dump                = qla2300_fw_dump,
1566         .beacon_on              = qla2x00_beacon_on,
1567         .beacon_off             = qla2x00_beacon_off,
1568         .beacon_blink           = qla2x00_beacon_blink,
1569         .read_optrom            = qla2x00_read_optrom_data,
1570         .write_optrom           = qla2x00_write_optrom_data,
1571         .get_flash_version      = qla2x00_get_flash_version,
1572         .start_scsi             = qla2x00_start_scsi,
1573         .abort_isp              = qla2x00_abort_isp,
1574 };
1575
1576 static struct isp_operations qla24xx_isp_ops = {
1577         .pci_config             = qla24xx_pci_config,
1578         .reset_chip             = qla24xx_reset_chip,
1579         .chip_diag              = qla24xx_chip_diag,
1580         .config_rings           = qla24xx_config_rings,
1581         .reset_adapter          = qla24xx_reset_adapter,
1582         .nvram_config           = qla24xx_nvram_config,
1583         .update_fw_options      = qla24xx_update_fw_options,
1584         .load_risc              = qla24xx_load_risc,
1585         .pci_info_str           = qla24xx_pci_info_str,
1586         .fw_version_str         = qla24xx_fw_version_str,
1587         .intr_handler           = qla24xx_intr_handler,
1588         .enable_intrs           = qla24xx_enable_intrs,
1589         .disable_intrs          = qla24xx_disable_intrs,
1590         .abort_command          = qla24xx_abort_command,
1591         .target_reset           = qla24xx_abort_target,
1592         .lun_reset              = qla24xx_lun_reset,
1593         .fabric_login           = qla24xx_login_fabric,
1594         .fabric_logout          = qla24xx_fabric_logout,
1595         .calc_req_entries       = NULL,
1596         .build_iocbs            = NULL,
1597         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1598         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1599         .read_nvram             = qla24xx_read_nvram_data,
1600         .write_nvram            = qla24xx_write_nvram_data,
1601         .fw_dump                = qla24xx_fw_dump,
1602         .beacon_on              = qla24xx_beacon_on,
1603         .beacon_off             = qla24xx_beacon_off,
1604         .beacon_blink           = qla24xx_beacon_blink,
1605         .read_optrom            = qla24xx_read_optrom_data,
1606         .write_optrom           = qla24xx_write_optrom_data,
1607         .get_flash_version      = qla24xx_get_flash_version,
1608         .start_scsi             = qla24xx_start_scsi,
1609         .abort_isp              = qla2x00_abort_isp,
1610 };
1611
1612 static struct isp_operations qla25xx_isp_ops = {
1613         .pci_config             = qla25xx_pci_config,
1614         .reset_chip             = qla24xx_reset_chip,
1615         .chip_diag              = qla24xx_chip_diag,
1616         .config_rings           = qla24xx_config_rings,
1617         .reset_adapter          = qla24xx_reset_adapter,
1618         .nvram_config           = qla24xx_nvram_config,
1619         .update_fw_options      = qla24xx_update_fw_options,
1620         .load_risc              = qla24xx_load_risc,
1621         .pci_info_str           = qla24xx_pci_info_str,
1622         .fw_version_str         = qla24xx_fw_version_str,
1623         .intr_handler           = qla24xx_intr_handler,
1624         .enable_intrs           = qla24xx_enable_intrs,
1625         .disable_intrs          = qla24xx_disable_intrs,
1626         .abort_command          = qla24xx_abort_command,
1627         .target_reset           = qla24xx_abort_target,
1628         .lun_reset              = qla24xx_lun_reset,
1629         .fabric_login           = qla24xx_login_fabric,
1630         .fabric_logout          = qla24xx_fabric_logout,
1631         .calc_req_entries       = NULL,
1632         .build_iocbs            = NULL,
1633         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1634         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1635         .read_nvram             = qla25xx_read_nvram_data,
1636         .write_nvram            = qla25xx_write_nvram_data,
1637         .fw_dump                = qla25xx_fw_dump,
1638         .beacon_on              = qla24xx_beacon_on,
1639         .beacon_off             = qla24xx_beacon_off,
1640         .beacon_blink           = qla24xx_beacon_blink,
1641         .read_optrom            = qla25xx_read_optrom_data,
1642         .write_optrom           = qla24xx_write_optrom_data,
1643         .get_flash_version      = qla24xx_get_flash_version,
1644         .start_scsi             = qla24xx_dif_start_scsi,
1645         .abort_isp              = qla2x00_abort_isp,
1646 };
1647
1648 static struct isp_operations qla81xx_isp_ops = {
1649         .pci_config             = qla25xx_pci_config,
1650         .reset_chip             = qla24xx_reset_chip,
1651         .chip_diag              = qla24xx_chip_diag,
1652         .config_rings           = qla24xx_config_rings,
1653         .reset_adapter          = qla24xx_reset_adapter,
1654         .nvram_config           = qla81xx_nvram_config,
1655         .update_fw_options      = qla81xx_update_fw_options,
1656         .load_risc              = qla81xx_load_risc,
1657         .pci_info_str           = qla24xx_pci_info_str,
1658         .fw_version_str         = qla24xx_fw_version_str,
1659         .intr_handler           = qla24xx_intr_handler,
1660         .enable_intrs           = qla24xx_enable_intrs,
1661         .disable_intrs          = qla24xx_disable_intrs,
1662         .abort_command          = qla24xx_abort_command,
1663         .target_reset           = qla24xx_abort_target,
1664         .lun_reset              = qla24xx_lun_reset,
1665         .fabric_login           = qla24xx_login_fabric,
1666         .fabric_logout          = qla24xx_fabric_logout,
1667         .calc_req_entries       = NULL,
1668         .build_iocbs            = NULL,
1669         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1670         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1671         .read_nvram             = NULL,
1672         .write_nvram            = NULL,
1673         .fw_dump                = qla81xx_fw_dump,
1674         .beacon_on              = qla24xx_beacon_on,
1675         .beacon_off             = qla24xx_beacon_off,
1676         .beacon_blink           = qla24xx_beacon_blink,
1677         .read_optrom            = qla25xx_read_optrom_data,
1678         .write_optrom           = qla24xx_write_optrom_data,
1679         .get_flash_version      = qla24xx_get_flash_version,
1680         .start_scsi             = qla24xx_dif_start_scsi,
1681         .abort_isp              = qla2x00_abort_isp,
1682 };
1683
1684 static struct isp_operations qla82xx_isp_ops = {
1685         .pci_config             = qla82xx_pci_config,
1686         .reset_chip             = qla82xx_reset_chip,
1687         .chip_diag              = qla24xx_chip_diag,
1688         .config_rings           = qla82xx_config_rings,
1689         .reset_adapter          = qla24xx_reset_adapter,
1690         .nvram_config           = qla81xx_nvram_config,
1691         .update_fw_options      = qla24xx_update_fw_options,
1692         .load_risc              = qla82xx_load_risc,
1693         .pci_info_str           = qla82xx_pci_info_str,
1694         .fw_version_str         = qla24xx_fw_version_str,
1695         .intr_handler           = qla82xx_intr_handler,
1696         .enable_intrs           = qla82xx_enable_intrs,
1697         .disable_intrs          = qla82xx_disable_intrs,
1698         .abort_command          = qla24xx_abort_command,
1699         .target_reset           = qla24xx_abort_target,
1700         .lun_reset              = qla24xx_lun_reset,
1701         .fabric_login           = qla24xx_login_fabric,
1702         .fabric_logout          = qla24xx_fabric_logout,
1703         .calc_req_entries       = NULL,
1704         .build_iocbs            = NULL,
1705         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1706         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1707         .read_nvram             = qla24xx_read_nvram_data,
1708         .write_nvram            = qla24xx_write_nvram_data,
1709         .fw_dump                = qla24xx_fw_dump,
1710         .beacon_on              = qla24xx_beacon_on,
1711         .beacon_off             = qla24xx_beacon_off,
1712         .beacon_blink           = qla24xx_beacon_blink,
1713         .read_optrom            = qla82xx_read_optrom_data,
1714         .write_optrom           = qla82xx_write_optrom_data,
1715         .get_flash_version      = qla24xx_get_flash_version,
1716         .start_scsi             = qla82xx_start_scsi,
1717         .abort_isp              = qla82xx_abort_isp,
1718 };
1719
1720 static inline void
1721 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1722 {
1723         ha->device_type = DT_EXTENDED_IDS;
1724         switch (ha->pdev->device) {
1725         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1726                 ha->device_type |= DT_ISP2100;
1727                 ha->device_type &= ~DT_EXTENDED_IDS;
1728                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1729                 break;
1730         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1731                 ha->device_type |= DT_ISP2200;
1732                 ha->device_type &= ~DT_EXTENDED_IDS;
1733                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1734                 break;
1735         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1736                 ha->device_type |= DT_ISP2300;
1737                 ha->device_type |= DT_ZIO_SUPPORTED;
1738                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1739                 break;
1740         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1741                 ha->device_type |= DT_ISP2312;
1742                 ha->device_type |= DT_ZIO_SUPPORTED;
1743                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1744                 break;
1745         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1746                 ha->device_type |= DT_ISP2322;
1747                 ha->device_type |= DT_ZIO_SUPPORTED;
1748                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1749                     ha->pdev->subsystem_device == 0x0170)
1750                         ha->device_type |= DT_OEM_001;
1751                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1752                 break;
1753         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1754                 ha->device_type |= DT_ISP6312;
1755                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1756                 break;
1757         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1758                 ha->device_type |= DT_ISP6322;
1759                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1760                 break;
1761         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1762                 ha->device_type |= DT_ISP2422;
1763                 ha->device_type |= DT_ZIO_SUPPORTED;
1764                 ha->device_type |= DT_FWI2;
1765                 ha->device_type |= DT_IIDMA;
1766                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1767                 break;
1768         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1769                 ha->device_type |= DT_ISP2432;
1770                 ha->device_type |= DT_ZIO_SUPPORTED;
1771                 ha->device_type |= DT_FWI2;
1772                 ha->device_type |= DT_IIDMA;
1773                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1774                 break;
1775         case PCI_DEVICE_ID_QLOGIC_ISP8432:
1776                 ha->device_type |= DT_ISP8432;
1777                 ha->device_type |= DT_ZIO_SUPPORTED;
1778                 ha->device_type |= DT_FWI2;
1779                 ha->device_type |= DT_IIDMA;
1780                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1781                 break;
1782         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1783                 ha->device_type |= DT_ISP5422;
1784                 ha->device_type |= DT_FWI2;
1785                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1786                 break;
1787         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1788                 ha->device_type |= DT_ISP5432;
1789                 ha->device_type |= DT_FWI2;
1790                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1791                 break;
1792         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1793                 ha->device_type |= DT_ISP2532;
1794                 ha->device_type |= DT_ZIO_SUPPORTED;
1795                 ha->device_type |= DT_FWI2;
1796                 ha->device_type |= DT_IIDMA;
1797                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1798                 break;
1799         case PCI_DEVICE_ID_QLOGIC_ISP8001:
1800                 ha->device_type |= DT_ISP8001;
1801                 ha->device_type |= DT_ZIO_SUPPORTED;
1802                 ha->device_type |= DT_FWI2;
1803                 ha->device_type |= DT_IIDMA;
1804                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1805                 break;
1806         case PCI_DEVICE_ID_QLOGIC_ISP8021:
1807                 ha->device_type |= DT_ISP8021;
1808                 ha->device_type |= DT_ZIO_SUPPORTED;
1809                 ha->device_type |= DT_FWI2;
1810                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1811                 /* Initialize 82XX ISP flags */
1812                 qla82xx_init_flags(ha);
1813                 break;
1814         }
1815
1816         if (IS_QLA82XX(ha))
1817                 ha->port_no = !(ha->portnum & 1);
1818         else
1819                 /* Get adapter physical port no from interrupt pin register. */
1820                 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1821
1822         if (ha->port_no & 1)
1823                 ha->flags.port0 = 1;
1824         else
1825                 ha->flags.port0 = 0;
1826 }
1827
1828 static int
1829 qla2x00_iospace_config(struct qla_hw_data *ha)
1830 {
1831         resource_size_t pio;
1832         uint16_t msix;
1833         int cpus;
1834
1835         if (IS_QLA82XX(ha))
1836                 return qla82xx_iospace_config(ha);
1837
1838         if (pci_request_selected_regions(ha->pdev, ha->bars,
1839             QLA2XXX_DRIVER_NAME)) {
1840                 qla_printk(KERN_WARNING, ha,
1841                     "Failed to reserve PIO/MMIO regions (%s)\n",
1842                     pci_name(ha->pdev));
1843
1844                 goto iospace_error_exit;
1845         }
1846         if (!(ha->bars & 1))
1847                 goto skip_pio;
1848
1849         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1850         pio = pci_resource_start(ha->pdev, 0);
1851         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1852                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1853                         qla_printk(KERN_WARNING, ha,
1854                             "Invalid PCI I/O region size (%s)...\n",
1855                                 pci_name(ha->pdev));
1856                         pio = 0;
1857                 }
1858         } else {
1859                 qla_printk(KERN_WARNING, ha,
1860                     "region #0 not a PIO resource (%s)...\n",
1861                     pci_name(ha->pdev));
1862                 pio = 0;
1863         }
1864         ha->pio_address = pio;
1865
1866 skip_pio:
1867         /* Use MMIO operations for all accesses. */
1868         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1869                 qla_printk(KERN_ERR, ha,
1870                     "region #1 not an MMIO resource (%s), aborting\n",
1871                     pci_name(ha->pdev));
1872                 goto iospace_error_exit;
1873         }
1874         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1875                 qla_printk(KERN_ERR, ha,
1876                     "Invalid PCI mem region size (%s), aborting\n",
1877                         pci_name(ha->pdev));
1878                 goto iospace_error_exit;
1879         }
1880
1881         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1882         if (!ha->iobase) {
1883                 qla_printk(KERN_ERR, ha,
1884                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1885
1886                 goto iospace_error_exit;
1887         }
1888
1889         /* Determine queue resources */
1890         ha->max_req_queues = ha->max_rsp_queues = 1;
1891         if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1892                 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1893                 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1894                 goto mqiobase_exit;
1895
1896         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1897                         pci_resource_len(ha->pdev, 3));
1898         if (ha->mqiobase) {
1899                 /* Read MSIX vector size of the board */
1900                 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1901                 ha->msix_count = msix;
1902                 /* Max queues are bounded by available msix vectors */
1903                 /* queue 0 uses two msix vectors */
1904                 if (ql2xmultique_tag) {
1905                         cpus = num_online_cpus();
1906                         ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1907                                 (cpus + 1) : (ha->msix_count - 1);
1908                         ha->max_req_queues = 2;
1909                 } else if (ql2xmaxqueues > 1) {
1910                         ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1911                                                 QLA_MQ_SIZE : ql2xmaxqueues;
1912                         DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1913                         " of request queues:%d\n", ha->max_req_queues));
1914                 }
1915                 qla_printk(KERN_INFO, ha,
1916                         "MSI-X vector count: %d\n", msix);
1917         } else
1918                 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1919
1920 mqiobase_exit:
1921         ha->msix_count = ha->max_rsp_queues + 1;
1922         return (0);
1923
1924 iospace_error_exit:
1925         return (-ENOMEM);
1926 }
1927
1928 static void
1929 qla2xxx_scan_start(struct Scsi_Host *shost)
1930 {
1931         scsi_qla_host_t *vha = shost_priv(shost);
1932
1933         if (vha->hw->flags.running_gold_fw)
1934                 return;
1935
1936         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1937         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1938         set_bit(RSCN_UPDATE, &vha->dpc_flags);
1939         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1940 }
1941
1942 static int
1943 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1944 {
1945         scsi_qla_host_t *vha = shost_priv(shost);
1946
1947         if (!vha->host)
1948                 return 1;
1949         if (time > vha->hw->loop_reset_delay * HZ)
1950                 return 1;
1951
1952         return atomic_read(&vha->loop_state) == LOOP_READY;
1953 }
1954
1955 /*
1956  * PCI driver interface
1957  */
1958 static int __devinit
1959 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1960 {
1961         int     ret = -ENODEV;
1962         struct Scsi_Host *host;
1963         scsi_qla_host_t *base_vha = NULL;
1964         struct qla_hw_data *ha;
1965         char pci_info[30];
1966         char fw_str[30];
1967         struct scsi_host_template *sht;
1968         int bars, max_id, mem_only = 0;
1969         uint16_t req_length = 0, rsp_length = 0;
1970         struct req_que *req = NULL;
1971         struct rsp_que *rsp = NULL;
1972
1973         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1974         sht = &qla2xxx_driver_template;
1975         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1976             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1977             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1978             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1979             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1980             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1981             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
1982             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
1983                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1984                 mem_only = 1;
1985         }
1986
1987         if (mem_only) {
1988                 if (pci_enable_device_mem(pdev))
1989                         goto probe_out;
1990         } else {
1991                 if (pci_enable_device(pdev))
1992                         goto probe_out;
1993         }
1994
1995         /* This may fail but that's ok */
1996         pci_enable_pcie_error_reporting(pdev);
1997
1998         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1999         if (!ha) {
2000                 DEBUG(printk("Unable to allocate memory for ha\n"));
2001                 goto probe_out;
2002         }
2003         ha->pdev = pdev;
2004
2005         /* Clear our data area */
2006         ha->bars = bars;
2007         ha->mem_only = mem_only;
2008         spin_lock_init(&ha->hardware_lock);
2009
2010         /* Set ISP-type information. */
2011         qla2x00_set_isp_flags(ha);
2012
2013         /* Set EEH reset type to fundamental if required by hba */
2014         if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
2015                 pdev->needs_freset = 1;
2016         }
2017
2018         /* Configure PCI I/O space */
2019         ret = qla2x00_iospace_config(ha);
2020         if (ret)
2021                 goto probe_hw_failed;
2022
2023         qla_printk(KERN_INFO, ha,
2024             "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
2025             ha->iobase);
2026
2027         ha->prev_topology = 0;
2028         ha->init_cb_size = sizeof(init_cb_t);
2029         ha->link_data_rate = PORT_SPEED_UNKNOWN;
2030         ha->optrom_size = OPTROM_SIZE_2300;
2031
2032         /* Assign ISP specific operations. */
2033         max_id = MAX_TARGETS_2200;
2034         if (IS_QLA2100(ha)) {
2035                 max_id = MAX_TARGETS_2100;
2036                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2037                 req_length = REQUEST_ENTRY_CNT_2100;
2038                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2039                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2040                 ha->gid_list_info_size = 4;
2041                 ha->flash_conf_off = ~0;
2042                 ha->flash_data_off = ~0;
2043                 ha->nvram_conf_off = ~0;
2044                 ha->nvram_data_off = ~0;
2045                 ha->isp_ops = &qla2100_isp_ops;
2046         } else if (IS_QLA2200(ha)) {
2047                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2048                 req_length = REQUEST_ENTRY_CNT_2200;
2049                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2050                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2051                 ha->gid_list_info_size = 4;
2052                 ha->flash_conf_off = ~0;
2053                 ha->flash_data_off = ~0;
2054                 ha->nvram_conf_off = ~0;
2055                 ha->nvram_data_off = ~0;
2056                 ha->isp_ops = &qla2100_isp_ops;
2057         } else if (IS_QLA23XX(ha)) {
2058                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2059                 req_length = REQUEST_ENTRY_CNT_2200;
2060                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2061                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2062                 ha->gid_list_info_size = 6;
2063                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2064                         ha->optrom_size = OPTROM_SIZE_2322;
2065                 ha->flash_conf_off = ~0;
2066                 ha->flash_data_off = ~0;
2067                 ha->nvram_conf_off = ~0;
2068                 ha->nvram_data_off = ~0;
2069                 ha->isp_ops = &qla2300_isp_ops;
2070         } else if (IS_QLA24XX_TYPE(ha)) {
2071                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2072                 req_length = REQUEST_ENTRY_CNT_24XX;
2073                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2074                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2075                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2076                 ha->gid_list_info_size = 8;
2077                 ha->optrom_size = OPTROM_SIZE_24XX;
2078                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2079                 ha->isp_ops = &qla24xx_isp_ops;
2080                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2081                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2082                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2083                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2084         } else if (IS_QLA25XX(ha)) {
2085                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2086                 req_length = REQUEST_ENTRY_CNT_24XX;
2087                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2088                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2089                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2090                 ha->gid_list_info_size = 8;
2091                 ha->optrom_size = OPTROM_SIZE_25XX;
2092                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2093                 ha->isp_ops = &qla25xx_isp_ops;
2094                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2095                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2096                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2097                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2098         } else if (IS_QLA81XX(ha)) {
2099                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2100                 req_length = REQUEST_ENTRY_CNT_24XX;
2101                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2102                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2103                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2104                 ha->gid_list_info_size = 8;
2105                 ha->optrom_size = OPTROM_SIZE_81XX;
2106                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2107                 ha->isp_ops = &qla81xx_isp_ops;
2108                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2109                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2110                 ha->nvram_conf_off = ~0;
2111                 ha->nvram_data_off = ~0;
2112         } else if (IS_QLA82XX(ha)) {
2113                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2114                 req_length = REQUEST_ENTRY_CNT_82XX;
2115                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2116                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2117                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2118                 ha->gid_list_info_size = 8;
2119                 ha->optrom_size = OPTROM_SIZE_82XX;
2120                 ha->isp_ops = &qla82xx_isp_ops;
2121                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2122                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2123                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2124                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2125         }
2126
2127         mutex_init(&ha->vport_lock);
2128         init_completion(&ha->mbx_cmd_comp);
2129         complete(&ha->mbx_cmd_comp);
2130         init_completion(&ha->mbx_intr_comp);
2131         init_completion(&ha->dcbx_comp);
2132
2133         set_bit(0, (unsigned long *) ha->vp_idx_map);
2134
2135         qla2x00_config_dma_addressing(ha);
2136         ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2137         if (!ret) {
2138                 qla_printk(KERN_WARNING, ha,
2139                     "[ERROR] Failed to allocate memory for adapter\n");
2140
2141                 goto probe_hw_failed;
2142         }
2143
2144         req->max_q_depth = MAX_Q_DEPTH;
2145         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2146                 req->max_q_depth = ql2xmaxqdepth;
2147
2148
2149         base_vha = qla2x00_create_host(sht, ha);
2150         if (!base_vha) {
2151                 qla_printk(KERN_WARNING, ha,
2152                     "[ERROR] Failed to allocate memory for scsi_host\n");
2153
2154                 ret = -ENOMEM;
2155                 qla2x00_mem_free(ha);
2156                 qla2x00_free_req_que(ha, req);
2157                 qla2x00_free_rsp_que(ha, rsp);
2158                 goto probe_hw_failed;
2159         }
2160
2161         pci_set_drvdata(pdev, base_vha);
2162
2163         host = base_vha->host;
2164         base_vha->req = req;
2165         host->can_queue = req->length + 128;
2166         if (IS_QLA2XXX_MIDTYPE(ha))
2167                 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2168         else
2169                 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2170                                                 base_vha->vp_idx;
2171         if (IS_QLA2100(ha))
2172                 host->sg_tablesize = 32;
2173         host->max_id = max_id;
2174         host->this_id = 255;
2175         host->cmd_per_lun = 3;
2176         host->unique_id = host->host_no;
2177         host->max_cmd_len = MAX_CMDSZ;
2178         host->max_channel = MAX_BUSES - 1;
2179         host->max_lun = MAX_LUNS;
2180         host->transportt = qla2xxx_transport_template;
2181         sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2182
2183         /* Set up the irqs */
2184         ret = qla2x00_request_irqs(ha, rsp);
2185         if (ret)
2186                 goto probe_init_failed;
2187
2188         pci_save_state(pdev);
2189
2190         /* Alloc arrays of request and response ring ptrs */
2191 que_init:
2192         if (!qla2x00_alloc_queues(ha)) {
2193                 qla_printk(KERN_WARNING, ha,
2194                 "[ERROR] Failed to allocate memory for queue"
2195                 " pointers\n");
2196                 goto probe_init_failed;
2197         }
2198
2199         ha->rsp_q_map[0] = rsp;
2200         ha->req_q_map[0] = req;
2201         rsp->req = req;
2202         req->rsp = rsp;
2203         set_bit(0, ha->req_qid_map);
2204         set_bit(0, ha->rsp_qid_map);
2205         /* FWI2-capable only. */
2206         req->req_q_in = &ha->iobase->isp24.req_q_in;
2207         req->req_q_out = &ha->iobase->isp24.req_q_out;
2208         rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2209         rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2210         if (ha->mqenable) {
2211                 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2212                 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2213                 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2214                 rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2215         }
2216
2217         if (IS_QLA82XX(ha)) {
2218                 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2219                 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2220                 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2221         }
2222
2223         if (qla2x00_initialize_adapter(base_vha)) {
2224                 qla_printk(KERN_WARNING, ha,
2225                     "Failed to initialize adapter\n");
2226
2227                 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2228                     "Adapter flags %x.\n",
2229                     base_vha->host_no, base_vha->device_flags));
2230
2231                 if (IS_QLA82XX(ha)) {
2232                         qla82xx_idc_lock(ha);
2233                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2234                                 QLA82XX_DEV_FAILED);
2235                         qla82xx_idc_unlock(ha);
2236                         qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
2237                 }
2238
2239                 ret = -ENODEV;
2240                 goto probe_failed;
2241         }
2242
2243         if (ha->mqenable) {
2244                 if (qla25xx_setup_mode(base_vha)) {
2245                         qla_printk(KERN_WARNING, ha,
2246                                 "Can't create queues, falling back to single"
2247                                 " queue mode\n");
2248                         goto que_init;
2249                 }
2250         }
2251
2252         if (ha->flags.running_gold_fw)
2253                 goto skip_dpc;
2254
2255         /*
2256          * Startup the kernel thread for this host adapter
2257          */
2258         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2259                         "%s_dpc", base_vha->host_str);
2260         if (IS_ERR(ha->dpc_thread)) {
2261                 qla_printk(KERN_WARNING, ha,
2262                     "Unable to start DPC thread!\n");
2263                 ret = PTR_ERR(ha->dpc_thread);
2264                 goto probe_failed;
2265         }
2266
2267 skip_dpc:
2268         list_add_tail(&base_vha->list, &ha->vp_list);
2269         base_vha->host->irq = ha->pdev->irq;
2270
2271         /* Initialized the timer */
2272         qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2273
2274         DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
2275             base_vha->host_no, ha));
2276
2277         if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) {
2278                 if (ha->fw_attributes & BIT_4) {
2279                         base_vha->flags.difdix_supported = 1;
2280                         DEBUG18(qla_printk(KERN_INFO, ha,
2281                             "Registering for DIF/DIX type 1 and 3"
2282                             " protection.\n"));
2283                         scsi_host_set_prot(host,
2284                             SHOST_DIF_TYPE1_PROTECTION
2285                             | SHOST_DIF_TYPE3_PROTECTION
2286                             | SHOST_DIX_TYPE1_PROTECTION
2287                             | SHOST_DIX_TYPE3_PROTECTION);
2288                         scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2289                 } else
2290                         base_vha->flags.difdix_supported = 0;
2291         }
2292
2293         ha->isp_ops->enable_intrs(ha);
2294
2295         ret = scsi_add_host(host, &pdev->dev);
2296         if (ret)
2297                 goto probe_failed;
2298
2299         base_vha->flags.init_done = 1;
2300         base_vha->flags.online = 1;
2301
2302         scsi_scan_host(host);
2303
2304         qla2x00_alloc_sysfs_attr(base_vha);
2305
2306         qla2x00_init_host_attr(base_vha);
2307
2308         qla2x00_dfs_setup(base_vha);
2309
2310         qla_printk(KERN_INFO, ha, "\n"
2311             " QLogic Fibre Channel HBA Driver: %s\n"
2312             "  QLogic %s - %s\n"
2313             "  ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2314             qla2x00_version_str, ha->model_number,
2315             ha->model_desc ? ha->model_desc : "", pdev->device,
2316             ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2317             ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2318             ha->isp_ops->fw_version_str(base_vha, fw_str));
2319
2320         return 0;
2321
2322 probe_init_failed:
2323         qla2x00_free_req_que(ha, req);
2324         qla2x00_free_rsp_que(ha, rsp);
2325         ha->max_req_queues = ha->max_rsp_queues = 0;
2326
2327 probe_failed:
2328         if (base_vha->timer_active)
2329                 qla2x00_stop_timer(base_vha);
2330         base_vha->flags.online = 0;
2331         if (ha->dpc_thread) {
2332                 struct task_struct *t = ha->dpc_thread;
2333
2334                 ha->dpc_thread = NULL;
2335                 kthread_stop(t);
2336         }
2337
2338         qla2x00_free_device(base_vha);
2339
2340         scsi_host_put(base_vha->host);
2341
2342 probe_hw_failed:
2343         if (IS_QLA82XX(ha)) {
2344                 qla82xx_idc_lock(ha);
2345                 qla82xx_clear_drv_active(ha);
2346                 qla82xx_idc_unlock(ha);
2347                 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2348                 if (!ql2xdbwr)
2349                         iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2350         } else {
2351                 if (ha->iobase)
2352                         iounmap(ha->iobase);
2353         }
2354         pci_release_selected_regions(ha->pdev, ha->bars);
2355         kfree(ha);
2356         ha = NULL;
2357
2358 probe_out:
2359         pci_disable_device(pdev);
2360         return ret;
2361 }
2362
2363 static void
2364 qla2x00_remove_one(struct pci_dev *pdev)
2365 {
2366         scsi_qla_host_t *base_vha, *vha, *temp;
2367         struct qla_hw_data  *ha;
2368
2369         base_vha = pci_get_drvdata(pdev);
2370         ha = base_vha->hw;
2371
2372         list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2373                 if (vha && vha->fc_vport)
2374                         fc_vport_terminate(vha->fc_vport);
2375         }
2376
2377         set_bit(UNLOADING, &base_vha->dpc_flags);
2378
2379         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2380
2381         qla2x00_dfs_remove(base_vha);
2382
2383         qla84xx_put_chip(base_vha);
2384
2385         /* Disable timer */
2386         if (base_vha->timer_active)
2387                 qla2x00_stop_timer(base_vha);
2388
2389         base_vha->flags.online = 0;
2390
2391         /* Flush the work queue and remove it */
2392         if (ha->wq) {
2393                 flush_workqueue(ha->wq);
2394                 destroy_workqueue(ha->wq);
2395                 ha->wq = NULL;
2396         }
2397
2398         /* Kill the kernel thread for this host */
2399         if (ha->dpc_thread) {
2400                 struct task_struct *t = ha->dpc_thread;
2401
2402                 /*
2403                  * qla2xxx_wake_dpc checks for ->dpc_thread
2404                  * so we need to zero it out.
2405                  */
2406                 ha->dpc_thread = NULL;
2407                 kthread_stop(t);
2408         }
2409
2410         qla2x00_free_sysfs_attr(base_vha);
2411
2412         fc_remove_host(base_vha->host);
2413
2414         scsi_remove_host(base_vha->host);
2415
2416         qla2x00_free_device(base_vha);
2417
2418         scsi_host_put(base_vha->host);
2419
2420         if (IS_QLA82XX(ha)) {
2421                 qla82xx_idc_lock(ha);
2422                 qla82xx_clear_drv_active(ha);
2423                 qla82xx_idc_unlock(ha);
2424
2425                 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2426                 if (!ql2xdbwr)
2427                         iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2428         } else {
2429                 if (ha->iobase)
2430                         iounmap(ha->iobase);
2431
2432                 if (ha->mqiobase)
2433                         iounmap(ha->mqiobase);
2434         }
2435
2436         pci_release_selected_regions(ha->pdev, ha->bars);
2437         kfree(ha);
2438         ha = NULL;
2439
2440         pci_disable_pcie_error_reporting(pdev);
2441
2442         pci_disable_device(pdev);
2443         pci_set_drvdata(pdev, NULL);
2444 }
2445
2446 static void
2447 qla2x00_free_device(scsi_qla_host_t *vha)
2448 {
2449         struct qla_hw_data *ha = vha->hw;
2450
2451         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2452
2453         /* Disable timer */
2454         if (vha->timer_active)
2455                 qla2x00_stop_timer(vha);
2456
2457         /* Kill the kernel thread for this host */
2458         if (ha->dpc_thread) {
2459                 struct task_struct *t = ha->dpc_thread;
2460
2461                 /*
2462                  * qla2xxx_wake_dpc checks for ->dpc_thread
2463                  * so we need to zero it out.
2464                  */
2465                 ha->dpc_thread = NULL;
2466                 kthread_stop(t);
2467         }
2468
2469         qla25xx_delete_queues(vha);
2470
2471         if (ha->flags.fce_enabled)
2472                 qla2x00_disable_fce_trace(vha, NULL, NULL);
2473
2474         if (ha->eft)
2475                 qla2x00_disable_eft_trace(vha);
2476
2477         /* Stop currently executing firmware. */
2478         qla2x00_try_to_stop_firmware(vha);
2479
2480         vha->flags.online = 0;
2481
2482         /* turn-off interrupts on the card */
2483         if (ha->interrupts_on) {
2484                 vha->flags.init_done = 0;
2485                 ha->isp_ops->disable_intrs(ha);
2486         }
2487
2488         qla2x00_free_irqs(vha);
2489
2490         qla2x00_mem_free(ha);
2491
2492         qla2x00_free_queues(ha);
2493 }
2494
2495 static inline void
2496 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2497     int defer)
2498 {
2499         struct fc_rport *rport;
2500         scsi_qla_host_t *base_vha;
2501
2502         if (!fcport->rport)
2503                 return;
2504
2505         rport = fcport->rport;
2506         if (defer) {
2507                 base_vha = pci_get_drvdata(vha->hw->pdev);
2508                 spin_lock_irq(vha->host->host_lock);
2509                 fcport->drport = rport;
2510                 spin_unlock_irq(vha->host->host_lock);
2511                 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2512                 qla2xxx_wake_dpc(base_vha);
2513         } else
2514                 fc_remote_port_delete(rport);
2515 }
2516
2517 /*
2518  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2519  *
2520  * Input: ha = adapter block pointer.  fcport = port structure pointer.
2521  *
2522  * Return: None.
2523  *
2524  * Context:
2525  */
2526 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2527     int do_login, int defer)
2528 {
2529         if (atomic_read(&fcport->state) == FCS_ONLINE &&
2530             vha->vp_idx == fcport->vp_idx) {
2531                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2532                 qla2x00_schedule_rport_del(vha, fcport, defer);
2533         }
2534         /*
2535          * We may need to retry the login, so don't change the state of the
2536          * port but do the retries.
2537          */
2538         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2539                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2540
2541         if (!do_login)
2542                 return;
2543
2544         if (fcport->login_retry == 0) {
2545                 fcport->login_retry = vha->hw->login_retry_count;
2546                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2547
2548                 DEBUG(printk("scsi(%ld): Port login retry: "
2549                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
2550                     "id = 0x%04x retry cnt=%d\n",
2551                     vha->host_no,
2552                     fcport->port_name[0],
2553                     fcport->port_name[1],
2554                     fcport->port_name[2],
2555                     fcport->port_name[3],
2556                     fcport->port_name[4],
2557                     fcport->port_name[5],
2558                     fcport->port_name[6],
2559                     fcport->port_name[7],
2560                     fcport->loop_id,
2561                     fcport->login_retry));
2562         }
2563 }
2564
2565 /*
2566  * qla2x00_mark_all_devices_lost
2567  *      Updates fcport state when device goes offline.
2568  *
2569  * Input:
2570  *      ha = adapter block pointer.
2571  *      fcport = port structure pointer.
2572  *
2573  * Return:
2574  *      None.
2575  *
2576  * Context:
2577  */
2578 void
2579 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2580 {
2581         fc_port_t *fcport;
2582
2583         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2584                 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2585                         continue;
2586
2587                 /*
2588                  * No point in marking the device as lost, if the device is
2589                  * already DEAD.
2590                  */
2591                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2592                         continue;
2593                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2594                         if (defer)
2595                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2596                         else if (vha->vp_idx == fcport->vp_idx)
2597                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2598                 }
2599                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2600         }
2601 }
2602
2603 /*
2604 * qla2x00_mem_alloc
2605 *      Allocates adapter memory.
2606 *
2607 * Returns:
2608 *      0  = success.
2609 *      !0  = failure.
2610 */
2611 static int
2612 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2613         struct req_que **req, struct rsp_que **rsp)
2614 {
2615         char    name[16];
2616
2617         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2618                 &ha->init_cb_dma, GFP_KERNEL);
2619         if (!ha->init_cb)
2620                 goto fail;
2621
2622         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2623                 &ha->gid_list_dma, GFP_KERNEL);
2624         if (!ha->gid_list)
2625                 goto fail_free_init_cb;
2626
2627         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2628         if (!ha->srb_mempool)
2629                 goto fail_free_gid_list;
2630
2631         if (IS_QLA82XX(ha)) {
2632                 /* Allocate cache for CT6 Ctx. */
2633                 if (!ctx_cachep) {
2634                         ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2635                                 sizeof(struct ct6_dsd), 0,
2636                                 SLAB_HWCACHE_ALIGN, NULL);
2637                         if (!ctx_cachep)
2638                                 goto fail_free_gid_list;
2639                 }
2640                 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2641                         ctx_cachep);
2642                 if (!ha->ctx_mempool)
2643                         goto fail_free_srb_mempool;
2644         }
2645
2646         /* Get memory for cached NVRAM */
2647         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2648         if (!ha->nvram)
2649                 goto fail_free_ctx_mempool;
2650
2651         snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2652                 ha->pdev->device);
2653         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2654                 DMA_POOL_SIZE, 8, 0);
2655         if (!ha->s_dma_pool)
2656                 goto fail_free_nvram;
2657
2658         if (IS_QLA82XX(ha) || ql2xenabledif) {
2659                 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2660                         DSD_LIST_DMA_POOL_SIZE, 8, 0);
2661                 if (!ha->dl_dma_pool) {
2662                         qla_printk(KERN_WARNING, ha,
2663                             "Memory Allocation failed - dl_dma_pool\n");
2664                         goto fail_s_dma_pool;
2665                 }
2666
2667                 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2668                         FCP_CMND_DMA_POOL_SIZE, 8, 0);
2669                 if (!ha->fcp_cmnd_dma_pool) {
2670                         qla_printk(KERN_WARNING, ha,
2671                             "Memory Allocation failed - fcp_cmnd_dma_pool\n");
2672                         goto fail_dl_dma_pool;
2673                 }
2674         }
2675
2676         /* Allocate memory for SNS commands */
2677         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2678         /* Get consistent memory allocated for SNS commands */
2679                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2680                 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2681                 if (!ha->sns_cmd)
2682                         goto fail_dma_pool;
2683         } else {
2684         /* Get consistent memory allocated for MS IOCB */
2685                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2686                         &ha->ms_iocb_dma);
2687                 if (!ha->ms_iocb)
2688                         goto fail_dma_pool;
2689         /* Get consistent memory allocated for CT SNS commands */
2690                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2691                         sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2692                 if (!ha->ct_sns)
2693                         goto fail_free_ms_iocb;
2694         }
2695
2696         /* Allocate memory for request ring */
2697         *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2698         if (!*req) {
2699                 DEBUG(printk("Unable to allocate memory for req\n"));
2700                 goto fail_req;
2701         }
2702         (*req)->length = req_len;
2703         (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2704                 ((*req)->length + 1) * sizeof(request_t),
2705                 &(*req)->dma, GFP_KERNEL);
2706         if (!(*req)->ring) {
2707                 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2708                 goto fail_req_ring;
2709         }
2710         /* Allocate memory for response ring */
2711         *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2712         if (!*rsp) {
2713                 qla_printk(KERN_WARNING, ha,
2714                         "Unable to allocate memory for rsp\n");
2715                 goto fail_rsp;
2716         }
2717         (*rsp)->hw = ha;
2718         (*rsp)->length = rsp_len;
2719         (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2720                 ((*rsp)->length + 1) * sizeof(response_t),
2721                 &(*rsp)->dma, GFP_KERNEL);
2722         if (!(*rsp)->ring) {
2723                 qla_printk(KERN_WARNING, ha,
2724                         "Unable to allocate memory for rsp_ring\n");
2725                 goto fail_rsp_ring;
2726         }
2727         (*req)->rsp = *rsp;
2728         (*rsp)->req = *req;
2729         /* Allocate memory for NVRAM data for vports */
2730         if (ha->nvram_npiv_size) {
2731                 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2732                                         ha->nvram_npiv_size, GFP_KERNEL);
2733                 if (!ha->npiv_info) {
2734                         qla_printk(KERN_WARNING, ha,
2735                                 "Unable to allocate memory for npiv info\n");
2736                         goto fail_npiv_info;
2737                 }
2738         } else
2739                 ha->npiv_info = NULL;
2740
2741         /* Get consistent memory allocated for EX-INIT-CB. */
2742         if (IS_QLA8XXX_TYPE(ha)) {
2743                 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2744                     &ha->ex_init_cb_dma);
2745                 if (!ha->ex_init_cb)
2746                         goto fail_ex_init_cb;
2747         }
2748
2749         INIT_LIST_HEAD(&ha->gbl_dsd_list);
2750
2751         /* Get consistent memory allocated for Async Port-Database. */
2752         if (!IS_FWI2_CAPABLE(ha)) {
2753                 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2754                         &ha->async_pd_dma);
2755                 if (!ha->async_pd)
2756                         goto fail_async_pd;
2757         }
2758
2759         INIT_LIST_HEAD(&ha->vp_list);
2760         return 1;
2761
2762 fail_async_pd:
2763         dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2764 fail_ex_init_cb:
2765         kfree(ha->npiv_info);
2766 fail_npiv_info:
2767         dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2768                 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2769         (*rsp)->ring = NULL;
2770         (*rsp)->dma = 0;
2771 fail_rsp_ring:
2772         kfree(*rsp);
2773 fail_rsp:
2774         dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2775                 sizeof(request_t), (*req)->ring, (*req)->dma);
2776         (*req)->ring = NULL;
2777         (*req)->dma = 0;
2778 fail_req_ring:
2779         kfree(*req);
2780 fail_req:
2781         dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2782                 ha->ct_sns, ha->ct_sns_dma);
2783         ha->ct_sns = NULL;
2784         ha->ct_sns_dma = 0;
2785 fail_free_ms_iocb:
2786         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2787         ha->ms_iocb = NULL;
2788         ha->ms_iocb_dma = 0;
2789 fail_dma_pool:
2790         if (IS_QLA82XX(ha) || ql2xenabledif) {
2791                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2792                 ha->fcp_cmnd_dma_pool = NULL;
2793         }
2794 fail_dl_dma_pool:
2795         if (IS_QLA82XX(ha) || ql2xenabledif) {
2796                 dma_pool_destroy(ha->dl_dma_pool);
2797                 ha->dl_dma_pool = NULL;
2798         }
2799 fail_s_dma_pool:
2800         dma_pool_destroy(ha->s_dma_pool);
2801         ha->s_dma_pool = NULL;
2802 fail_free_nvram:
2803         kfree(ha->nvram);
2804         ha->nvram = NULL;
2805 fail_free_ctx_mempool:
2806         mempool_destroy(ha->ctx_mempool);
2807         ha->ctx_mempool = NULL;
2808 fail_free_srb_mempool:
2809         mempool_destroy(ha->srb_mempool);
2810         ha->srb_mempool = NULL;
2811 fail_free_gid_list:
2812         dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2813         ha->gid_list_dma);
2814         ha->gid_list = NULL;
2815         ha->gid_list_dma = 0;
2816 fail_free_init_cb:
2817         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2818         ha->init_cb_dma);
2819         ha->init_cb = NULL;
2820         ha->init_cb_dma = 0;
2821 fail:
2822         DEBUG(printk("%s: Memory allocation failure\n", __func__));
2823         return -ENOMEM;
2824 }
2825
2826 /*
2827 * qla2x00_mem_free
2828 *      Frees all adapter allocated memory.
2829 *
2830 * Input:
2831 *      ha = adapter block pointer.
2832 */
2833 static void
2834 qla2x00_mem_free(struct qla_hw_data *ha)
2835 {
2836         if (ha->srb_mempool)
2837                 mempool_destroy(ha->srb_mempool);
2838
2839         if (ha->fce)
2840                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2841                 ha->fce_dma);
2842
2843         if (ha->fw_dump) {
2844                 if (ha->eft)
2845                         dma_free_coherent(&ha->pdev->dev,
2846                         ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2847                 vfree(ha->fw_dump);
2848         }
2849
2850         if (ha->dcbx_tlv)
2851                 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2852                     ha->dcbx_tlv, ha->dcbx_tlv_dma);
2853
2854         if (ha->xgmac_data)
2855                 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2856                     ha->xgmac_data, ha->xgmac_data_dma);
2857
2858         if (ha->sns_cmd)
2859                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2860                 ha->sns_cmd, ha->sns_cmd_dma);
2861
2862         if (ha->ct_sns)
2863                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2864                 ha->ct_sns, ha->ct_sns_dma);
2865
2866         if (ha->sfp_data)
2867                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2868
2869         if (ha->edc_data)
2870                 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2871
2872         if (ha->ms_iocb)
2873                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2874
2875         if (ha->ex_init_cb)
2876                 dma_pool_free(ha->s_dma_pool,
2877                         ha->ex_init_cb, ha->ex_init_cb_dma);
2878
2879         if (ha->async_pd)
2880                 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
2881
2882         if (ha->s_dma_pool)
2883                 dma_pool_destroy(ha->s_dma_pool);
2884
2885         if (ha->gid_list)
2886                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2887                 ha->gid_list_dma);
2888
2889         if (IS_QLA82XX(ha)) {
2890                 if (!list_empty(&ha->gbl_dsd_list)) {
2891                         struct dsd_dma *dsd_ptr, *tdsd_ptr;
2892
2893                         /* clean up allocated prev pool */
2894                         list_for_each_entry_safe(dsd_ptr,
2895                                 tdsd_ptr, &ha->gbl_dsd_list, list) {
2896                                 dma_pool_free(ha->dl_dma_pool,
2897                                 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
2898                                 list_del(&dsd_ptr->list);
2899                                 kfree(dsd_ptr);
2900                         }
2901                 }
2902         }
2903
2904         if (ha->dl_dma_pool)
2905                 dma_pool_destroy(ha->dl_dma_pool);
2906
2907         if (ha->fcp_cmnd_dma_pool)
2908                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2909
2910         if (ha->ctx_mempool)
2911                 mempool_destroy(ha->ctx_mempool);
2912
2913         if (ha->init_cb)
2914                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2915                         ha->init_cb, ha->init_cb_dma);
2916         vfree(ha->optrom_buffer);
2917         kfree(ha->nvram);
2918         kfree(ha->npiv_info);
2919
2920         ha->srb_mempool = NULL;
2921         ha->ctx_mempool = NULL;
2922         ha->eft = NULL;
2923         ha->eft_dma = 0;
2924         ha->sns_cmd = NULL;
2925         ha->sns_cmd_dma = 0;
2926         ha->ct_sns = NULL;
2927         ha->ct_sns_dma = 0;
2928         ha->ms_iocb = NULL;
2929         ha->ms_iocb_dma = 0;
2930         ha->init_cb = NULL;
2931         ha->init_cb_dma = 0;
2932         ha->ex_init_cb = NULL;
2933         ha->ex_init_cb_dma = 0;
2934         ha->async_pd = NULL;
2935         ha->async_pd_dma = 0;
2936
2937         ha->s_dma_pool = NULL;
2938         ha->dl_dma_pool = NULL;
2939         ha->fcp_cmnd_dma_pool = NULL;
2940
2941         ha->gid_list = NULL;
2942         ha->gid_list_dma = 0;
2943
2944         ha->fw_dump = NULL;
2945         ha->fw_dumped = 0;
2946         ha->fw_dump_reading = 0;
2947 }
2948
2949 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2950                                                 struct qla_hw_data *ha)
2951 {
2952         struct Scsi_Host *host;
2953         struct scsi_qla_host *vha = NULL;
2954
2955         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2956         if (host == NULL) {
2957                 printk(KERN_WARNING
2958                 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2959                 goto fail;
2960         }
2961
2962         /* Clear our data area */
2963         vha = shost_priv(host);
2964         memset(vha, 0, sizeof(scsi_qla_host_t));
2965
2966         vha->host = host;
2967         vha->host_no = host->host_no;
2968         vha->hw = ha;
2969
2970         INIT_LIST_HEAD(&vha->vp_fcports);
2971         INIT_LIST_HEAD(&vha->work_list);
2972         INIT_LIST_HEAD(&vha->list);
2973
2974         spin_lock_init(&vha->work_lock);
2975
2976         sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2977         return vha;
2978
2979 fail:
2980         return vha;
2981 }
2982
2983 static struct qla_work_evt *
2984 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
2985 {
2986         struct qla_work_evt *e;
2987
2988         e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
2989         if (!e)
2990                 return NULL;
2991
2992         INIT_LIST_HEAD(&e->list);
2993         e->type = type;
2994         e->flags = QLA_EVT_FLAG_FREE;
2995         return e;
2996 }
2997
2998 static int
2999 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3000 {
3001         unsigned long flags;
3002
3003         spin_lock_irqsave(&vha->work_lock, flags);
3004         list_add_tail(&e->list, &vha->work_list);
3005         spin_unlock_irqrestore(&vha->work_lock, flags);
3006         qla2xxx_wake_dpc(vha);
3007
3008         return QLA_SUCCESS;
3009 }
3010
3011 int
3012 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3013     u32 data)
3014 {
3015         struct qla_work_evt *e;
3016
3017         e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3018         if (!e)
3019                 return QLA_FUNCTION_FAILED;
3020
3021         e->u.aen.code = code;
3022         e->u.aen.data = data;
3023         return qla2x00_post_work(vha, e);
3024 }
3025
3026 int
3027 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3028 {
3029         struct qla_work_evt *e;
3030
3031         e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3032         if (!e)
3033                 return QLA_FUNCTION_FAILED;
3034
3035         memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3036         return qla2x00_post_work(vha, e);
3037 }
3038
3039 #define qla2x00_post_async_work(name, type)     \
3040 int qla2x00_post_async_##name##_work(           \
3041     struct scsi_qla_host *vha,                  \
3042     fc_port_t *fcport, uint16_t *data)          \
3043 {                                               \
3044         struct qla_work_evt *e;                 \
3045                                                 \
3046         e = qla2x00_alloc_work(vha, type);      \
3047         if (!e)                                 \
3048                 return QLA_FUNCTION_FAILED;     \
3049                                                 \
3050         e->u.logio.fcport = fcport;             \
3051         if (data) {                             \
3052                 e->u.logio.data[0] = data[0];   \
3053                 e->u.logio.data[1] = data[1];   \
3054         }                                       \
3055         return qla2x00_post_work(vha, e);       \
3056 }
3057
3058 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3059 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3060 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3061 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3062 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3063 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3064
3065 int
3066 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3067 {
3068         struct qla_work_evt *e;
3069
3070         e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3071         if (!e)
3072                 return QLA_FUNCTION_FAILED;
3073
3074         e->u.uevent.code = code;
3075         return qla2x00_post_work(vha, e);
3076 }
3077
3078 static void
3079 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3080 {
3081         char event_string[40];
3082         char *envp[] = { event_string, NULL };
3083
3084         switch (code) {
3085         case QLA_UEVENT_CODE_FW_DUMP:
3086                 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3087                     vha->host_no);
3088                 break;
3089         default:
3090                 /* do nothing */
3091                 break;
3092         }
3093         kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3094 }
3095
3096 void
3097 qla2x00_do_work(struct scsi_qla_host *vha)
3098 {
3099         struct qla_work_evt *e, *tmp;
3100         unsigned long flags;
3101         LIST_HEAD(work);
3102
3103         spin_lock_irqsave(&vha->work_lock, flags);
3104         list_splice_init(&vha->work_list, &work);
3105         spin_unlock_irqrestore(&vha->work_lock, flags);
3106
3107         list_for_each_entry_safe(e, tmp, &work, list) {
3108                 list_del_init(&e->list);
3109
3110                 switch (e->type) {
3111                 case QLA_EVT_AEN:
3112                         fc_host_post_event(vha->host, fc_get_event_number(),
3113                             e->u.aen.code, e->u.aen.data);
3114                         break;
3115                 case QLA_EVT_IDC_ACK:
3116                         qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3117                         break;
3118                 case QLA_EVT_ASYNC_LOGIN:
3119                         qla2x00_async_login(vha, e->u.logio.fcport,
3120                             e->u.logio.data);
3121                         break;
3122                 case QLA_EVT_ASYNC_LOGIN_DONE:
3123                         qla2x00_async_login_done(vha, e->u.logio.fcport,
3124                             e->u.logio.data);
3125                         break;
3126                 case QLA_EVT_ASYNC_LOGOUT:
3127                         qla2x00_async_logout(vha, e->u.logio.fcport);
3128                         break;
3129                 case QLA_EVT_ASYNC_LOGOUT_DONE:
3130                         qla2x00_async_logout_done(vha, e->u.logio.fcport,
3131                             e->u.logio.data);
3132                         break;
3133                 case QLA_EVT_ASYNC_ADISC:
3134                         qla2x00_async_adisc(vha, e->u.logio.fcport,
3135                             e->u.logio.data);
3136                         break;
3137                 case QLA_EVT_ASYNC_ADISC_DONE:
3138                         qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3139                             e->u.logio.data);
3140                         break;
3141                 case QLA_EVT_UEVENT:
3142                         qla2x00_uevent_emit(vha, e->u.uevent.code);
3143                         break;
3144                 }
3145                 if (e->flags & QLA_EVT_FLAG_FREE)
3146                         kfree(e);
3147         }
3148 }
3149
3150 /* Relogins all the fcports of a vport
3151  * Context: dpc thread
3152  */
3153 void qla2x00_relogin(struct scsi_qla_host *vha)
3154 {
3155         fc_port_t       *fcport;
3156         int status;
3157         uint16_t        next_loopid = 0;
3158         struct qla_hw_data *ha = vha->hw;
3159         uint16_t data[2];
3160
3161         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3162         /*
3163          * If the port is not ONLINE then try to login
3164          * to it if we haven't run out of retries.
3165          */
3166                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3167                     fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3168                         fcport->login_retry--;
3169                         if (fcport->flags & FCF_FABRIC_DEVICE) {
3170                                 if (fcport->flags & FCF_FCP2_DEVICE)
3171                                         ha->isp_ops->fabric_logout(vha,
3172                                                         fcport->loop_id,
3173                                                         fcport->d_id.b.domain,
3174                                                         fcport->d_id.b.area,
3175                                                         fcport->d_id.b.al_pa);
3176
3177                                 if (IS_ALOGIO_CAPABLE(ha)) {
3178                                         fcport->flags |= FCF_ASYNC_SENT;
3179                                         data[0] = 0;
3180                                         data[1] = QLA_LOGIO_LOGIN_RETRIED;
3181                                         status = qla2x00_post_async_login_work(
3182                                             vha, fcport, data);
3183                                         if (status == QLA_SUCCESS)
3184                                                 continue;
3185                                         /* Attempt a retry. */
3186                                         status = 1;
3187                                 } else
3188                                         status = qla2x00_fabric_login(vha,
3189                                             fcport, &next_loopid);
3190                         } else
3191                                 status = qla2x00_local_device_login(vha,
3192                                                                 fcport);
3193
3194                         if (status == QLA_SUCCESS) {
3195                                 fcport->old_loop_id = fcport->loop_id;
3196
3197                                 DEBUG(printk("scsi(%ld): port login OK: logged "
3198                                 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
3199
3200                                 qla2x00_update_fcport(vha, fcport);
3201
3202                         } else if (status == 1) {
3203                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3204                                 /* retry the login again */
3205                                 DEBUG(printk("scsi(%ld): Retrying"
3206                                 " %d login again loop_id 0x%x\n",
3207                                 vha->host_no, fcport->login_retry,
3208                                                 fcport->loop_id));
3209                         } else {
3210                                 fcport->login_retry = 0;
3211                         }
3212
3213                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3214                                 fcport->loop_id = FC_NO_LOOP_ID;
3215                 }
3216                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3217                         break;
3218         }
3219 }
3220
3221 /**************************************************************************
3222 * qla2x00_do_dpc
3223 *   This kernel thread is a task that is schedule by the interrupt handler
3224 *   to perform the background processing for interrupts.
3225 *
3226 * Notes:
3227 * This task always run in the context of a kernel thread.  It
3228 * is kick-off by the driver's detect code and starts up
3229 * up one per adapter. It immediately goes to sleep and waits for
3230 * some fibre event.  When either the interrupt handler or
3231 * the timer routine detects a event it will one of the task
3232 * bits then wake us up.
3233 **************************************************************************/
3234 static int
3235 qla2x00_do_dpc(void *data)
3236 {
3237         int             rval;
3238         scsi_qla_host_t *base_vha;
3239         struct qla_hw_data *ha;
3240
3241         ha = (struct qla_hw_data *)data;
3242         base_vha = pci_get_drvdata(ha->pdev);
3243
3244         set_user_nice(current, -20);
3245
3246         while (!kthread_should_stop()) {
3247                 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
3248
3249                 set_current_state(TASK_INTERRUPTIBLE);
3250                 schedule();
3251                 __set_current_state(TASK_RUNNING);
3252
3253                 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
3254
3255                 /* Initialization not yet finished. Don't do anything yet. */
3256                 if (!base_vha->flags.init_done)
3257                         continue;
3258
3259                 if (ha->flags.eeh_busy) {
3260                         DEBUG17(qla_printk(KERN_WARNING, ha,
3261                             "qla2x00_do_dpc: dpc_flags: %lx\n",
3262                             base_vha->dpc_flags));
3263                         continue;
3264                 }
3265
3266                 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
3267
3268                 ha->dpc_active = 1;
3269
3270                 if (ha->flags.mbox_busy) {
3271                         ha->dpc_active = 0;
3272                         continue;
3273                 }
3274
3275                 qla2x00_do_work(base_vha);
3276
3277                 if (IS_QLA82XX(ha)) {
3278                         if (test_and_clear_bit(ISP_UNRECOVERABLE,
3279                                 &base_vha->dpc_flags)) {
3280                                 qla82xx_idc_lock(ha);
3281                                 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3282                                         QLA82XX_DEV_FAILED);
3283                                 qla82xx_idc_unlock(ha);
3284                                 qla_printk(KERN_INFO, ha,
3285                                         "HW State: FAILED\n");
3286                                 qla82xx_device_state_handler(base_vha);
3287                                 continue;
3288                         }
3289
3290                         if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3291                                 &base_vha->dpc_flags)) {
3292
3293                                 DEBUG(printk(KERN_INFO
3294                                         "scsi(%ld): dpc: sched "
3295                                         "qla82xx_fcoe_ctx_reset ha = %p\n",
3296                                         base_vha->host_no, ha));
3297                                 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3298                                         &base_vha->dpc_flags))) {
3299                                         if (qla82xx_fcoe_ctx_reset(base_vha)) {
3300                                                 /* FCoE-ctx reset failed.
3301                                                  * Escalate to chip-reset
3302                                                  */
3303                                                 set_bit(ISP_ABORT_NEEDED,
3304                                                         &base_vha->dpc_flags);
3305                                         }
3306                                         clear_bit(ABORT_ISP_ACTIVE,
3307                                                 &base_vha->dpc_flags);
3308                                 }
3309
3310                                 DEBUG(printk("scsi(%ld): dpc:"
3311                                         " qla82xx_fcoe_ctx_reset end\n",
3312                                         base_vha->host_no));
3313                         }
3314                 }
3315
3316                 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3317                                                 &base_vha->dpc_flags)) {
3318
3319                         DEBUG(printk("scsi(%ld): dpc: sched "
3320                             "qla2x00_abort_isp ha = %p\n",
3321                             base_vha->host_no, ha));
3322                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3323                             &base_vha->dpc_flags))) {
3324
3325                                 if (ha->isp_ops->abort_isp(base_vha)) {
3326                                         /* failed. retry later */
3327                                         set_bit(ISP_ABORT_NEEDED,
3328                                             &base_vha->dpc_flags);
3329                                 }
3330                                 clear_bit(ABORT_ISP_ACTIVE,
3331                                                 &base_vha->dpc_flags);
3332                         }
3333
3334                         DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
3335                             base_vha->host_no));
3336                 }
3337
3338                 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3339                         qla2x00_update_fcports(base_vha);
3340                         clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3341                 }
3342
3343                 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3344                                                         &base_vha->dpc_flags) &&
3345                     (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3346
3347                         DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
3348                             base_vha->host_no));
3349
3350                         qla2x00_rst_aen(base_vha);
3351                         clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3352                 }
3353
3354                 /* Retry each device up to login retry count */
3355                 if ((test_and_clear_bit(RELOGIN_NEEDED,
3356                                                 &base_vha->dpc_flags)) &&
3357                     !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3358                     atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3359
3360                         DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
3361                                         base_vha->host_no));
3362                         qla2x00_relogin(base_vha);
3363
3364                         DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
3365                             base_vha->host_no));
3366                 }
3367
3368                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3369                                                         &base_vha->dpc_flags)) {
3370
3371                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
3372                                 base_vha->host_no));
3373
3374                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3375                             &base_vha->dpc_flags))) {
3376
3377                                 rval = qla2x00_loop_resync(base_vha);
3378
3379                                 clear_bit(LOOP_RESYNC_ACTIVE,
3380                                                 &base_vha->dpc_flags);
3381                         }
3382
3383                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
3384                             base_vha->host_no));
3385                 }
3386
3387                 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3388                     atomic_read(&base_vha->loop_state) == LOOP_READY) {
3389                         clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3390                         qla2xxx_flash_npiv_conf(base_vha);
3391                 }
3392
3393                 if (!ha->interrupts_on)
3394                         ha->isp_ops->enable_intrs(ha);
3395
3396                 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3397                                         &base_vha->dpc_flags))
3398                         ha->isp_ops->beacon_blink(base_vha);
3399
3400                 qla2x00_do_dpc_all_vps(base_vha);
3401
3402                 ha->dpc_active = 0;
3403         } /* End of while(1) */
3404
3405         DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
3406
3407         /*
3408          * Make sure that nobody tries to wake us up again.
3409          */
3410         ha->dpc_active = 0;
3411
3412         /* Cleanup any residual CTX SRBs. */
3413         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3414
3415         return 0;
3416 }
3417
3418 void
3419 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3420 {
3421         struct qla_hw_data *ha = vha->hw;
3422         struct task_struct *t = ha->dpc_thread;
3423
3424         if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3425                 wake_up_process(t);
3426 }
3427
3428 /*
3429 *  qla2x00_rst_aen
3430 *      Processes asynchronous reset.
3431 *
3432 * Input:
3433 *      ha  = adapter block pointer.
3434 */
3435 static void
3436 qla2x00_rst_aen(scsi_qla_host_t *vha)
3437 {
3438         if (vha->flags.online && !vha->flags.reset_active &&
3439             !atomic_read(&vha->loop_down_timer) &&
3440             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3441                 do {
3442                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3443
3444                         /*
3445                          * Issue marker command only when we are going to start
3446                          * the I/O.
3447                          */
3448                         vha->marker_needed = 1;
3449                 } while (!atomic_read(&vha->loop_down_timer) &&
3450                     (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3451         }
3452 }
3453
3454 static void
3455 qla2x00_sp_free_dma(srb_t *sp)
3456 {
3457         struct scsi_cmnd *cmd = sp->cmd;
3458         struct qla_hw_data *ha = sp->fcport->vha->hw;
3459
3460         if (sp->flags & SRB_DMA_VALID) {
3461                 scsi_dma_unmap(cmd);
3462                 sp->flags &= ~SRB_DMA_VALID;
3463         }
3464
3465         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3466                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3467                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3468                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3469         }
3470
3471         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3472                 /* List assured to be having elements */
3473                 qla2x00_clean_dsd_pool(ha, sp);
3474                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3475         }
3476
3477         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3478                 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3479                     ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3480                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3481         }
3482
3483         CMD_SP(cmd) = NULL;
3484 }
3485
3486 void
3487 qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
3488 {
3489         struct scsi_cmnd *cmd = sp->cmd;
3490
3491         qla2x00_sp_free_dma(sp);
3492
3493         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3494                 struct ct6_dsd *ctx = sp->ctx;
3495                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3496                         ctx->fcp_cmnd_dma);
3497                 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3498                 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3499                 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3500                 mempool_free(sp->ctx, ha->ctx_mempool);
3501                 sp->ctx = NULL;
3502         }
3503
3504         mempool_free(sp, ha->srb_mempool);
3505         cmd->scsi_done(cmd);
3506 }
3507
3508 void
3509 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3510 {
3511         if (atomic_read(&sp->ref_count) == 0) {
3512                 DEBUG2(qla_printk(KERN_WARNING, ha,
3513                     "SP reference-count to ZERO -- sp=%p\n", sp));
3514                 DEBUG2(BUG());
3515                 return;
3516         }
3517         if (!atomic_dec_and_test(&sp->ref_count))
3518                 return;
3519         qla2x00_sp_final_compl(ha, sp);
3520 }
3521
3522 /**************************************************************************
3523 *   qla2x00_timer
3524 *
3525 * Description:
3526 *   One second timer
3527 *
3528 * Context: Interrupt
3529 ***************************************************************************/
3530 void
3531 qla2x00_timer(scsi_qla_host_t *vha)
3532 {
3533         unsigned long   cpu_flags = 0;
3534         fc_port_t       *fcport;
3535         int             start_dpc = 0;
3536         int             index;
3537         srb_t           *sp;
3538         int             t;
3539         uint16_t        w;
3540         struct qla_hw_data *ha = vha->hw;
3541         struct req_que *req;
3542
3543         if (IS_QLA82XX(ha))
3544                 qla82xx_watchdog(vha);
3545
3546         /* Hardware read to raise pending EEH errors during mailbox waits. */
3547         if (!pci_channel_offline(ha->pdev))
3548                 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3549         /*
3550          * Ports - Port down timer.
3551          *
3552          * Whenever, a port is in the LOST state we start decrementing its port
3553          * down timer every second until it reaches zero. Once  it reaches zero
3554          * the port it marked DEAD.
3555          */
3556         t = 0;
3557         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3558                 if (fcport->port_type != FCT_TARGET)
3559                         continue;
3560
3561                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3562
3563                         if (atomic_read(&fcport->port_down_timer) == 0)
3564                                 continue;
3565
3566                         if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
3567                                 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
3568
3569                         DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
3570                             "%d remaining\n",
3571                             vha->host_no,
3572                             t, atomic_read(&fcport->port_down_timer)));
3573                 }
3574                 t++;
3575         } /* End of for fcport  */
3576
3577
3578         /* Loop down handler. */
3579         if (atomic_read(&vha->loop_down_timer) > 0 &&
3580             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3581                 && vha->flags.online) {
3582
3583                 if (atomic_read(&vha->loop_down_timer) ==
3584                     vha->loop_down_abort_time) {
3585
3586                         DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3587                             "queues before time expire\n",
3588                             vha->host_no));
3589
3590                         if (!IS_QLA2100(ha) && vha->link_down_timeout)
3591                                 atomic_set(&vha->loop_state, LOOP_DEAD);
3592
3593                         /*
3594                          * Schedule an ISP abort to return any FCP2-device
3595                          * commands.
3596                          */
3597                         /* NPIV - scan physical port only */
3598                         if (!vha->vp_idx) {
3599                                 spin_lock_irqsave(&ha->hardware_lock,
3600                                     cpu_flags);
3601                                 req = ha->req_q_map[0];
3602                                 for (index = 1;
3603                                     index < MAX_OUTSTANDING_COMMANDS;
3604                                     index++) {
3605                                         fc_port_t *sfcp;
3606
3607                                         sp = req->outstanding_cmds[index];
3608                                         if (!sp)
3609                                                 continue;
3610                                         if (sp->ctx && !IS_PROT_IO(sp))
3611                                                 continue;
3612                                         sfcp = sp->fcport;
3613                                         if (!(sfcp->flags & FCF_FCP2_DEVICE))
3614                                                 continue;
3615
3616                                         set_bit(ISP_ABORT_NEEDED,
3617                                                         &vha->dpc_flags);
3618                                         break;
3619                                 }
3620                                 spin_unlock_irqrestore(&ha->hardware_lock,
3621                                                                 cpu_flags);
3622                         }
3623                         start_dpc++;
3624                 }
3625
3626                 /* if the loop has been down for 4 minutes, reinit adapter */
3627                 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3628                         if (!(vha->device_flags & DFLG_NO_CABLE)) {
3629                                 DEBUG(printk("scsi(%ld): Loop down - "
3630                                     "aborting ISP.\n",
3631                                     vha->host_no));
3632                                 qla_printk(KERN_WARNING, ha,
3633                                     "Loop down - aborting ISP.\n");
3634
3635                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3636                         }
3637                 }
3638                 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
3639                     vha->host_no,
3640                     atomic_read(&vha->loop_down_timer)));
3641         }
3642
3643         /* Check if beacon LED needs to be blinked */
3644         if (ha->beacon_blink_led == 1) {
3645                 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3646                 start_dpc++;
3647         }
3648
3649         /* Process any deferred work. */
3650         if (!list_empty(&vha->work_list))
3651                 start_dpc++;
3652
3653         /* Schedule the DPC routine if needed */
3654         if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3655             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3656             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3657             start_dpc ||
3658             test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3659             test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3660             test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3661             test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3662             test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3663             test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3664                 qla2xxx_wake_dpc(vha);
3665
3666         qla2x00_restart_timer(vha, WATCH_INTERVAL);
3667 }
3668
3669 /* Firmware interface routines. */
3670
3671 #define FW_BLOBS        8
3672 #define FW_ISP21XX      0
3673 #define FW_ISP22XX      1
3674 #define FW_ISP2300      2
3675 #define FW_ISP2322      3
3676 #define FW_ISP24XX      4
3677 #define FW_ISP25XX      5
3678 #define FW_ISP81XX      6
3679 #define FW_ISP82XX      7
3680
3681 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3682 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3683 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3684 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3685 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3686 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3687 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3688 #define FW_FILE_ISP82XX "ql8200_fw.bin"
3689
3690 static DEFINE_MUTEX(qla_fw_lock);
3691
3692 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3693         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3694         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3695         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3696         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3697         { .name = FW_FILE_ISP24XX, },
3698         { .name = FW_FILE_ISP25XX, },
3699         { .name = FW_FILE_ISP81XX, },
3700         { .name = FW_FILE_ISP82XX, },
3701 };
3702
3703 struct fw_blob *
3704 qla2x00_request_firmware(scsi_qla_host_t *vha)
3705 {
3706         struct qla_hw_data *ha = vha->hw;
3707         struct fw_blob *blob;
3708
3709         blob = NULL;
3710         if (IS_QLA2100(ha)) {
3711                 blob = &qla_fw_blobs[FW_ISP21XX];
3712         } else if (IS_QLA2200(ha)) {
3713                 blob = &qla_fw_blobs[FW_ISP22XX];
3714         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3715                 blob = &qla_fw_blobs[FW_ISP2300];
3716         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3717                 blob = &qla_fw_blobs[FW_ISP2322];
3718         } else if (IS_QLA24XX_TYPE(ha)) {
3719                 blob = &qla_fw_blobs[FW_ISP24XX];
3720         } else if (IS_QLA25XX(ha)) {
3721                 blob = &qla_fw_blobs[FW_ISP25XX];
3722         } else if (IS_QLA81XX(ha)) {
3723                 blob = &qla_fw_blobs[FW_ISP81XX];
3724         } else if (IS_QLA82XX(ha)) {
3725                 blob = &qla_fw_blobs[FW_ISP82XX];
3726         }
3727
3728         mutex_lock(&qla_fw_lock);
3729         if (blob->fw)
3730                 goto out;
3731
3732         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3733                 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3734                     "(%s).\n", vha->host_no, blob->name));
3735                 blob->fw = NULL;
3736                 blob = NULL;
3737                 goto out;
3738         }
3739
3740 out:
3741         mutex_unlock(&qla_fw_lock);
3742         return blob;
3743 }
3744
3745 static void
3746 qla2x00_release_firmware(void)
3747 {
3748         int idx;
3749
3750         mutex_lock(&qla_fw_lock);
3751         for (idx = 0; idx < FW_BLOBS; idx++)
3752                 if (qla_fw_blobs[idx].fw)
3753                         release_firmware(qla_fw_blobs[idx].fw);
3754         mutex_unlock(&qla_fw_lock);
3755 }
3756
3757 static pci_ers_result_t
3758 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3759 {
3760         scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3761         struct qla_hw_data *ha = vha->hw;
3762
3763         DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3764             state));
3765
3766         switch (state) {
3767         case pci_channel_io_normal:
3768                 ha->flags.eeh_busy = 0;
3769                 return PCI_ERS_RESULT_CAN_RECOVER;
3770         case pci_channel_io_frozen:
3771                 ha->flags.eeh_busy = 1;
3772                 qla2x00_free_irqs(vha);
3773                 pci_disable_device(pdev);
3774                 return PCI_ERS_RESULT_NEED_RESET;
3775         case pci_channel_io_perm_failure:
3776                 ha->flags.pci_channel_io_perm_failure = 1;
3777                 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3778                 return PCI_ERS_RESULT_DISCONNECT;
3779         }
3780         return PCI_ERS_RESULT_NEED_RESET;
3781 }
3782
3783 static pci_ers_result_t
3784 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3785 {
3786         int risc_paused = 0;
3787         uint32_t stat;
3788         unsigned long flags;
3789         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3790         struct qla_hw_data *ha = base_vha->hw;
3791         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3792         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3793
3794         spin_lock_irqsave(&ha->hardware_lock, flags);
3795         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3796                 stat = RD_REG_DWORD(&reg->hccr);
3797                 if (stat & HCCR_RISC_PAUSE)
3798                         risc_paused = 1;
3799         } else if (IS_QLA23XX(ha)) {
3800                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3801                 if (stat & HSR_RISC_PAUSED)
3802                         risc_paused = 1;
3803         } else if (IS_FWI2_CAPABLE(ha)) {
3804                 stat = RD_REG_DWORD(&reg24->host_status);
3805                 if (stat & HSRX_RISC_PAUSED)
3806                         risc_paused = 1;
3807         }
3808         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3809
3810         if (risc_paused) {
3811                 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3812                     "Dumping firmware!\n");
3813                 ha->isp_ops->fw_dump(base_vha, 0);
3814
3815                 return PCI_ERS_RESULT_NEED_RESET;
3816         } else
3817                 return PCI_ERS_RESULT_RECOVERED;
3818 }
3819
3820 static pci_ers_result_t
3821 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3822 {
3823         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3824         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3825         struct qla_hw_data *ha = base_vha->hw;
3826         struct rsp_que *rsp;
3827         int rc, retries = 10;
3828
3829         DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3830
3831         /* Workaround: qla2xxx driver which access hardware earlier
3832          * needs error state to be pci_channel_io_online.
3833          * Otherwise mailbox command timesout.
3834          */
3835         pdev->error_state = pci_channel_io_normal;
3836
3837         pci_restore_state(pdev);
3838
3839         /* pci_restore_state() clears the saved_state flag of the device
3840          * save restored state which resets saved_state flag
3841          */
3842         pci_save_state(pdev);
3843
3844         if (ha->mem_only)
3845                 rc = pci_enable_device_mem(pdev);
3846         else
3847                 rc = pci_enable_device(pdev);
3848
3849         if (rc) {
3850                 qla_printk(KERN_WARNING, ha,
3851                     "Can't re-enable PCI device after reset.\n");
3852                 return ret;
3853         }
3854
3855         rsp = ha->rsp_q_map[0];
3856         if (qla2x00_request_irqs(ha, rsp))
3857                 return ret;
3858
3859         if (ha->isp_ops->pci_config(base_vha))
3860                 return ret;
3861
3862         while (ha->flags.mbox_busy && retries--)
3863                 msleep(1000);
3864
3865         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3866         if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
3867                 ret =  PCI_ERS_RESULT_RECOVERED;
3868         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3869
3870
3871         DEBUG17(qla_printk(KERN_WARNING, ha,
3872             "slot_reset-return:ret=%x\n", ret));
3873
3874         return ret;
3875 }
3876
3877 static void
3878 qla2xxx_pci_resume(struct pci_dev *pdev)
3879 {
3880         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3881         struct qla_hw_data *ha = base_vha->hw;
3882         int ret;
3883
3884         DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
3885
3886         ret = qla2x00_wait_for_hba_online(base_vha);
3887         if (ret != QLA_SUCCESS) {
3888                 qla_printk(KERN_ERR, ha,
3889                     "the device failed to resume I/O "
3890                     "from slot/link_reset");
3891         }
3892
3893         pci_cleanup_aer_uncorrect_error_status(pdev);
3894
3895         ha->flags.eeh_busy = 0;
3896 }
3897
3898 static struct pci_error_handlers qla2xxx_err_handler = {
3899         .error_detected = qla2xxx_pci_error_detected,
3900         .mmio_enabled = qla2xxx_pci_mmio_enabled,
3901         .slot_reset = qla2xxx_pci_slot_reset,
3902         .resume = qla2xxx_pci_resume,
3903 };
3904
3905 static struct pci_device_id qla2xxx_pci_tbl[] = {
3906         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3907         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3908         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3909         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3910         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3911         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3912         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3913         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3914         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3915         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3916         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3917         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3918         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3919         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3920         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
3921         { 0 },
3922 };
3923 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3924
3925 static struct pci_driver qla2xxx_pci_driver = {
3926         .name           = QLA2XXX_DRIVER_NAME,
3927         .driver         = {
3928                 .owner          = THIS_MODULE,
3929         },
3930         .id_table       = qla2xxx_pci_tbl,
3931         .probe          = qla2x00_probe_one,
3932         .remove         = qla2x00_remove_one,
3933         .err_handler    = &qla2xxx_err_handler,
3934 };
3935
3936 static struct file_operations apidev_fops = {
3937         .owner = THIS_MODULE,
3938 };
3939
3940 /**
3941  * qla2x00_module_init - Module initialization.
3942  **/
3943 static int __init
3944 qla2x00_module_init(void)
3945 {
3946         int ret = 0;
3947
3948         /* Allocate cache for SRBs. */
3949         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3950             SLAB_HWCACHE_ALIGN, NULL);
3951         if (srb_cachep == NULL) {
3952                 printk(KERN_ERR
3953                     "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3954                 return -ENOMEM;
3955         }
3956
3957         /* Derive version string. */
3958         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3959         if (ql2xextended_error_logging)
3960                 strcat(qla2x00_version_str, "-debug");
3961
3962         qla2xxx_transport_template =
3963             fc_attach_transport(&qla2xxx_transport_functions);
3964         if (!qla2xxx_transport_template) {
3965                 kmem_cache_destroy(srb_cachep);
3966                 return -ENODEV;
3967         }
3968
3969         apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
3970         if (apidev_major < 0) {
3971                 printk(KERN_WARNING "qla2xxx: Unable to register char device "
3972                     "%s\n", QLA2XXX_APIDEV);
3973         }
3974
3975         qla2xxx_transport_vport_template =
3976             fc_attach_transport(&qla2xxx_transport_vport_functions);
3977         if (!qla2xxx_transport_vport_template) {
3978                 kmem_cache_destroy(srb_cachep);
3979                 fc_release_transport(qla2xxx_transport_template);
3980                 return -ENODEV;
3981         }
3982
3983         printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3984             qla2x00_version_str);
3985         ret = pci_register_driver(&qla2xxx_pci_driver);
3986         if (ret) {
3987                 kmem_cache_destroy(srb_cachep);
3988                 fc_release_transport(qla2xxx_transport_template);
3989                 fc_release_transport(qla2xxx_transport_vport_template);
3990         }
3991         return ret;
3992 }
3993
3994 /**
3995  * qla2x00_module_exit - Module cleanup.
3996  **/
3997 static void __exit
3998 qla2x00_module_exit(void)
3999 {
4000         unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
4001         pci_unregister_driver(&qla2xxx_pci_driver);
4002         qla2x00_release_firmware();
4003         kmem_cache_destroy(srb_cachep);
4004         if (ctx_cachep)
4005                 kmem_cache_destroy(ctx_cachep);
4006         fc_release_transport(qla2xxx_transport_template);
4007         fc_release_transport(qla2xxx_transport_vport_template);
4008 }
4009
4010 module_init(qla2x00_module_init);
4011 module_exit(qla2x00_module_exit);
4012
4013 MODULE_AUTHOR("QLogic Corporation");
4014 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4015 MODULE_LICENSE("GPL");
4016 MODULE_VERSION(QLA2XXX_VERSION);
4017 MODULE_FIRMWARE(FW_FILE_ISP21XX);
4018 MODULE_FIRMWARE(FW_FILE_ISP22XX);
4019 MODULE_FIRMWARE(FW_FILE_ISP2300);
4020 MODULE_FIRMWARE(FW_FILE_ISP2322);
4021 MODULE_FIRMWARE(FW_FILE_ISP24XX);
4022 MODULE_FIRMWARE(FW_FILE_ISP25XX);