drivers/scsi/qla2xxx/qla_os.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2010 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 = 1;
 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 static 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 int
 907 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
 908         unsigned int l, enum nexus_wait_type type)
 909 {
 910         int cnt, match, status;
 911         unsigned long flags;
 912         struct qla_hw_data *ha = vha->hw;
 913         struct req_que *req;
 914         srb_t *sp;
 915
 916         status = QLA_SUCCESS;
 917
 918         spin_lock_irqsave(&ha->hardware_lock, flags);
 919         req = vha->req;
 920         for (cnt = 1; status == QLA_SUCCESS &&
 921                 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 922                 sp = req->outstanding_cmds[cnt];
 923                 if (!sp)
 924                         continue;
 925                 if ((sp->ctx) && !IS_PROT_IO(sp))
 926                         continue;
 927                 if (vha->vp_idx != sp->fcport->vha->vp_idx)
 928                         continue;
 929                 match = 0;
 930                 switch (type) {
 931                 case WAIT_HOST:
 932                         match = 1;
 933                         break;
 934                 case WAIT_TARGET:
 935                         match = sp->cmd->device->id == t;
 936                         break;
 937                 case WAIT_LUN:
 938                         match = (sp->cmd->device->id == t &&
 939                                 sp->cmd->device->lun == l);
 940                         break;
 941                 }
 942                 if (!match)
 943                         continue;
 944
 945                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 946                 status = qla2x00_eh_wait_on_command(sp->cmd);
 947                 spin_lock_irqsave(&ha->hardware_lock, flags);
 948         }
 949         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 950
 951         return status;
 952 }
 953
 954 static char *reset_errors[] = {
 955         "HBA not online",
 956         "HBA not ready",
 957         "Task management failed",
 958         "Waiting for command completions",
 959 };
 960
 961 static int
 962 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
 963     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
 964 {
 965         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 966         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 967         int err;
 968
 969         fc_block_scsi_eh(cmd);
 970
 971         if (!fcport)
 972                 return FAILED;
 973
 974         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
 975             vha->host_no, cmd->device->id, cmd->device->lun, name);
 976
 977         err = 0;
 978         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
 979                 goto eh_reset_failed;
 980         err = 1;
 981         if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
 982                 goto eh_reset_failed;
 983         err = 2;
 984         if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
 985                 != QLA_SUCCESS)
 986                 goto eh_reset_failed;
 987         err = 3;
 988         if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
 989             cmd->device->lun, type) != QLA_SUCCESS)
 990                 goto eh_reset_failed;
 991
 992         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
 993             vha->host_no, cmd->device->id, cmd->device->lun, name);
 994
 995         return SUCCESS;
 996
 997 eh_reset_failed:
 998         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
 999             , vha->host_no, cmd->device->id, cmd->device->lun, name,
1000             reset_errors[err]);
1001         return FAILED;
1002 }
1003
1004 static int
1005 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1006 {
1007         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1008         struct qla_hw_data *ha = vha->hw;
1009
1010         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1011             ha->isp_ops->lun_reset);
1012 }
1013
1014 static int
1015 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1016 {
1017         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1018         struct qla_hw_data *ha = vha->hw;
1019
1020         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1021             ha->isp_ops->target_reset);
1022 }
1023
1024 /**************************************************************************
1025 * qla2xxx_eh_bus_reset
1026 *
1027 * Description:
1028 *    The bus reset function will reset the bus and abort any executing
1029 *    commands.
1030 *
1031 * Input:
1032 *    cmd = Linux SCSI command packet of the command that cause the
1033 *          bus reset.
1034 *
1035 * Returns:
1036 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1037 *
1038 **************************************************************************/
1039 static int
1040 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1041 {
1042         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1043         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1044         int ret = FAILED;
1045         unsigned int id, lun;
1046         unsigned long serial;
1047
1048         fc_block_scsi_eh(cmd);
1049
1050         id = cmd->device->id;
1051         lun = cmd->device->lun;
1052         serial = cmd->serial_number;
1053
1054         if (!fcport)
1055                 return ret;
1056
1057         qla_printk(KERN_INFO, vha->hw,
1058             "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1059
1060         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1061                 DEBUG2(printk("%s failed:board disabled\n",__func__));
1062                 goto eh_bus_reset_done;
1063         }
1064
1065         if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1066                 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1067                         ret = SUCCESS;
1068         }
1069         if (ret == FAILED)
1070                 goto eh_bus_reset_done;
1071
1072         /* Flush outstanding commands. */
1073         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1074             QLA_SUCCESS)
1075                 ret = FAILED;
1076
1077 eh_bus_reset_done:
1078         qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1079             (ret == FAILED) ? "failed" : "succeded");
1080
1081         return ret;
1082 }
1083
1084 /**************************************************************************
1085 * qla2xxx_eh_host_reset
1086 *
1087 * Description:
1088 *    The reset function will reset the Adapter.
1089 *
1090 * Input:
1091 *      cmd = Linux SCSI command packet of the command that cause the
1092 *            adapter reset.
1093 *
1094 * Returns:
1095 *      Either SUCCESS or FAILED.
1096 *
1097 * Note:
1098 **************************************************************************/
1099 static int
1100 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1101 {
1102         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1103         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1104         struct qla_hw_data *ha = vha->hw;
1105         int ret = FAILED;
1106         unsigned int id, lun;
1107         unsigned long serial;
1108         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1109
1110         fc_block_scsi_eh(cmd);
1111
1112         id = cmd->device->id;
1113         lun = cmd->device->lun;
1114         serial = cmd->serial_number;
1115
1116         if (!fcport)
1117                 return ret;
1118
1119         qla_printk(KERN_INFO, ha,
1120             "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1121
1122         if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1123                 goto eh_host_reset_lock;
1124
1125         /*
1126          * Fixme-may be dpc thread is active and processing
1127          * loop_resync,so wait a while for it to
1128          * be completed and then issue big hammer.Otherwise
1129          * it may cause I/O failure as big hammer marks the
1130          * devices as lost kicking of the port_down_timer
1131          * while dpc is stuck for the mailbox to complete.
1132          */
1133         qla2x00_wait_for_loop_ready(vha);
1134         if (vha != base_vha) {
1135                 if (qla2x00_vp_abort_isp(vha))
1136                         goto eh_host_reset_lock;
1137         } else {
1138                 if (IS_QLA82XX(vha->hw)) {
1139                         if (!qla82xx_fcoe_ctx_reset(vha)) {
1140                                 /* Ctx reset success */
1141                                 ret = SUCCESS;
1142                                 goto eh_host_reset_lock;
1143                         }
1144                         /* fall thru if ctx reset failed */
1145                 }
1146                 if (ha->wq)
1147                         flush_workqueue(ha->wq);
1148
1149                 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1150                 if (ha->isp_ops->abort_isp(base_vha)) {
1151                         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1152                         /* failed. schedule dpc to try */
1153                         set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1154
1155                         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1156                                 goto eh_host_reset_lock;
1157                 }
1158                 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1159         }
1160
1161         /* Waiting for command to be returned to OS.*/
1162         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1163                 QLA_SUCCESS)
1164                 ret = SUCCESS;
1165
1166 eh_host_reset_lock:
1167         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1168             (ret == FAILED) ? "failed" : "succeded");
1169
1170         return ret;
1171 }
1172
1173 /*
1174 * qla2x00_loop_reset
1175 *      Issue loop reset.
1176 *
1177 * Input:
1178 *      ha = adapter block pointer.
1179 *
1180 * Returns:
1181 *      0 = success
1182 */
1183 int
1184 qla2x00_loop_reset(scsi_qla_host_t *vha)
1185 {
1186         int ret;
1187         struct fc_port *fcport;
1188         struct qla_hw_data *ha = vha->hw;
1189
1190         if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1191                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1192                         if (fcport->port_type != FCT_TARGET)
1193                                 continue;
1194
1195                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
1196                         if (ret != QLA_SUCCESS) {
1197                                 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1198                                     "target_reset=%d d_id=%x.\n", __func__,
1199                                     vha->host_no, ret, fcport->d_id.b24));
1200                         }
1201                 }
1202         }
1203
1204         if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
1205                 ret = qla2x00_full_login_lip(vha);
1206                 if (ret != QLA_SUCCESS) {
1207                         DEBUG2_3(printk("%s(%ld): failed: "
1208                             "full_login_lip=%d.\n", __func__, vha->host_no,
1209                             ret));
1210                 }
1211                 atomic_set(&vha->loop_state, LOOP_DOWN);
1212                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1213                 qla2x00_mark_all_devices_lost(vha, 0);
1214                 qla2x00_wait_for_loop_ready(vha);
1215         }
1216
1217         if (ha->flags.enable_lip_reset) {
1218                 ret = qla2x00_lip_reset(vha);
1219                 if (ret != QLA_SUCCESS) {
1220                         DEBUG2_3(printk("%s(%ld): failed: "
1221                             "lip_reset=%d.\n", __func__, vha->host_no, ret));
1222                 } else
1223                         qla2x00_wait_for_loop_ready(vha);
1224         }
1225
1226         /* Issue marker command only when we are going to start the I/O */
1227         vha->marker_needed = 1;
1228
1229         return QLA_SUCCESS;
1230 }
1231
1232 void
1233 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1234 {
1235         int que, cnt;
1236         unsigned long flags;
1237         srb_t *sp;
1238         struct srb_ctx *ctx;
1239         struct qla_hw_data *ha = vha->hw;
1240         struct req_que *req;
1241
1242         spin_lock_irqsave(&ha->hardware_lock, flags);
1243         for (que = 0; que < ha->max_req_queues; que++) {
1244                 req = ha->req_q_map[que];
1245                 if (!req)
1246                         continue;
1247                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1248                         sp = req->outstanding_cmds[cnt];
1249                         if (sp) {
1250                                 req->outstanding_cmds[cnt] = NULL;
1251                                 if (!sp->ctx ||
1252                                         (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1253                                         IS_PROT_IO(sp)) {
1254                                         sp->cmd->result = res;
1255                                         qla2x00_sp_compl(ha, sp);
1256                                 } else {
1257                                         ctx = sp->ctx;
1258                                         if (ctx->type == SRB_LOGIN_CMD ||
1259                                             ctx->type == SRB_LOGOUT_CMD) {
1260                                                 ctx->u.iocb_cmd->free(sp);
1261                                         } else {
1262                                                 struct fc_bsg_job *bsg_job =
1263                                                     ctx->u.bsg_job;
1264                                                 if (bsg_job->request->msgcode
1265                                                     == FC_BSG_HST_CT)
1266                                                         kfree(sp->fcport);
1267                                                 bsg_job->req->errors = 0;
1268                                                 bsg_job->reply->result = res;
1269                                                 bsg_job->job_done(bsg_job);
1270                                                 kfree(sp->ctx);
1271                                                 mempool_free(sp,
1272                                                         ha->srb_mempool);
1273                                         }
1274                                 }
1275                         }
1276                 }
1277         }
1278         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1279 }
1280
1281 static int
1282 qla2xxx_slave_alloc(struct scsi_device *sdev)
1283 {
1284         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1285
1286         if (!rport || fc_remote_port_chkready(rport))
1287                 return -ENXIO;
1288
1289         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1290
1291         return 0;
1292 }
1293
1294 static int
1295 qla2xxx_slave_configure(struct scsi_device *sdev)
1296 {
1297         scsi_qla_host_t *vha = shost_priv(sdev->host);
1298         struct qla_hw_data *ha = vha->hw;
1299         struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1300         struct req_que *req = vha->req;
1301
1302         if (sdev->tagged_supported)
1303                 scsi_activate_tcq(sdev, req->max_q_depth);
1304         else
1305                 scsi_deactivate_tcq(sdev, req->max_q_depth);
1306
1307         rport->dev_loss_tmo = ha->port_down_retry_count;
1308
1309         return 0;
1310 }
1311
1312 static void
1313 qla2xxx_slave_destroy(struct scsi_device *sdev)
1314 {
1315         sdev->hostdata = NULL;
1316 }
1317
1318 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1319 {
1320         fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1321
1322         if (!scsi_track_queue_full(sdev, qdepth))
1323                 return;
1324
1325         DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1326                 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1327                 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1328                 sdev->queue_depth));
1329 }
1330
1331 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1332 {
1333         fc_port_t *fcport = sdev->hostdata;
1334         struct scsi_qla_host *vha = fcport->vha;
1335         struct qla_hw_data *ha = vha->hw;
1336         struct req_que *req = NULL;
1337
1338         req = vha->req;
1339         if (!req)
1340                 return;
1341
1342         if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1343                 return;
1344
1345         if (sdev->ordered_tags)
1346                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1347         else
1348                 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1349
1350         DEBUG2(qla_printk(KERN_INFO, ha,
1351                "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1352                fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1353                sdev->queue_depth));
1354 }
1355
1356 static int
1357 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1358 {
1359         switch (reason) {
1360         case SCSI_QDEPTH_DEFAULT:
1361                 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1362                 break;
1363         case SCSI_QDEPTH_QFULL:
1364                 qla2x00_handle_queue_full(sdev, qdepth);
1365                 break;
1366         case SCSI_QDEPTH_RAMP_UP:
1367                 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1368                 break;
1369         default:
1370                 return -EOPNOTSUPP;
1371         }
1372
1373         return sdev->queue_depth;
1374 }
1375
1376 static int
1377 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1378 {
1379         if (sdev->tagged_supported) {
1380                 scsi_set_tag_type(sdev, tag_type);
1381                 if (tag_type)
1382                         scsi_activate_tcq(sdev, sdev->queue_depth);
1383                 else
1384                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1385         } else
1386                 tag_type = 0;
1387
1388         return tag_type;
1389 }
1390
1391 /**
1392  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1393  * @ha: HA context
1394  *
1395  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1396  * supported addressing method.
1397  */
1398 static void
1399 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1400 {
1401         /* Assume a 32bit DMA mask. */
1402         ha->flags.enable_64bit_addressing = 0;
1403
1404         if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1405                 /* Any upper-dword bits set? */
1406                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1407                     !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1408                         /* Ok, a 64bit DMA mask is applicable. */
1409                         ha->flags.enable_64bit_addressing = 1;
1410                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1411                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1412                         return;
1413                 }
1414         }
1415
1416         dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1417         pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1418 }
1419
1420 static void
1421 qla2x00_enable_intrs(struct qla_hw_data *ha)
1422 {
1423         unsigned long flags = 0;
1424         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1425
1426         spin_lock_irqsave(&ha->hardware_lock, flags);
1427         ha->interrupts_on = 1;
1428         /* enable risc and host interrupts */
1429         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1430         RD_REG_WORD(&reg->ictrl);
1431         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1432
1433 }
1434
1435 static void
1436 qla2x00_disable_intrs(struct qla_hw_data *ha)
1437 {
1438         unsigned long flags = 0;
1439         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1440
1441         spin_lock_irqsave(&ha->hardware_lock, flags);
1442         ha->interrupts_on = 0;
1443         /* disable risc and host interrupts */
1444         WRT_REG_WORD(&reg->ictrl, 0);
1445         RD_REG_WORD(&reg->ictrl);
1446         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1447 }
1448
1449 static void
1450 qla24xx_enable_intrs(struct qla_hw_data *ha)
1451 {
1452         unsigned long flags = 0;
1453         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1454
1455         spin_lock_irqsave(&ha->hardware_lock, flags);
1456         ha->interrupts_on = 1;
1457         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1458         RD_REG_DWORD(&reg->ictrl);
1459         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1460 }
1461
1462 static void
1463 qla24xx_disable_intrs(struct qla_hw_data *ha)
1464 {
1465         unsigned long flags = 0;
1466         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1467
1468         if (IS_NOPOLLING_TYPE(ha))
1469                 return;
1470         spin_lock_irqsave(&ha->hardware_lock, flags);
1471         ha->interrupts_on = 0;
1472         WRT_REG_DWORD(&reg->ictrl, 0);
1473         RD_REG_DWORD(&reg->ictrl);
1474         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1475 }
1476
1477 static struct isp_operations qla2100_isp_ops = {
1478         .pci_config             = qla2100_pci_config,
1479         .reset_chip             = qla2x00_reset_chip,
1480         .chip_diag              = qla2x00_chip_diag,
1481         .config_rings           = qla2x00_config_rings,
1482         .reset_adapter          = qla2x00_reset_adapter,
1483         .nvram_config           = qla2x00_nvram_config,
1484         .update_fw_options      = qla2x00_update_fw_options,
1485         .load_risc              = qla2x00_load_risc,
1486         .pci_info_str           = qla2x00_pci_info_str,
1487         .fw_version_str         = qla2x00_fw_version_str,
1488         .intr_handler           = qla2100_intr_handler,
1489         .enable_intrs           = qla2x00_enable_intrs,
1490         .disable_intrs          = qla2x00_disable_intrs,
1491         .abort_command          = qla2x00_abort_command,
1492         .target_reset           = qla2x00_abort_target,
1493         .lun_reset              = qla2x00_lun_reset,
1494         .fabric_login           = qla2x00_login_fabric,
1495         .fabric_logout          = qla2x00_fabric_logout,
1496         .calc_req_entries       = qla2x00_calc_iocbs_32,
1497         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1498         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1499         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1500         .read_nvram             = qla2x00_read_nvram_data,
1501         .write_nvram            = qla2x00_write_nvram_data,
1502         .fw_dump                = qla2100_fw_dump,
1503         .beacon_on              = NULL,
1504         .beacon_off             = NULL,
1505         .beacon_blink           = NULL,
1506         .read_optrom            = qla2x00_read_optrom_data,
1507         .write_optrom           = qla2x00_write_optrom_data,
1508         .get_flash_version      = qla2x00_get_flash_version,
1509         .start_scsi             = qla2x00_start_scsi,
1510         .abort_isp              = qla2x00_abort_isp,
1511 };
1512
1513 static struct isp_operations qla2300_isp_ops = {
1514         .pci_config             = qla2300_pci_config,
1515         .reset_chip             = qla2x00_reset_chip,
1516         .chip_diag              = qla2x00_chip_diag,
1517         .config_rings           = qla2x00_config_rings,
1518         .reset_adapter          = qla2x00_reset_adapter,
1519         .nvram_config           = qla2x00_nvram_config,
1520         .update_fw_options      = qla2x00_update_fw_options,
1521         .load_risc              = qla2x00_load_risc,
1522         .pci_info_str           = qla2x00_pci_info_str,
1523         .fw_version_str         = qla2x00_fw_version_str,
1524         .intr_handler           = qla2300_intr_handler,
1525         .enable_intrs           = qla2x00_enable_intrs,
1526         .disable_intrs          = qla2x00_disable_intrs,
1527         .abort_command          = qla2x00_abort_command,
1528         .target_reset           = qla2x00_abort_target,
1529         .lun_reset              = qla2x00_lun_reset,
1530         .fabric_login           = qla2x00_login_fabric,
1531         .fabric_logout          = qla2x00_fabric_logout,
1532         .calc_req_entries       = qla2x00_calc_iocbs_32,
1533         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1534         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1535         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1536         .read_nvram             = qla2x00_read_nvram_data,
1537         .write_nvram            = qla2x00_write_nvram_data,
1538         .fw_dump                = qla2300_fw_dump,
1539         .beacon_on              = qla2x00_beacon_on,
1540         .beacon_off             = qla2x00_beacon_off,
1541         .beacon_blink           = qla2x00_beacon_blink,
1542         .read_optrom            = qla2x00_read_optrom_data,
1543         .write_optrom           = qla2x00_write_optrom_data,
1544         .get_flash_version      = qla2x00_get_flash_version,
1545         .start_scsi             = qla2x00_start_scsi,
1546         .abort_isp              = qla2x00_abort_isp,
1547 };
1548
1549 static struct isp_operations qla24xx_isp_ops = {
1550         .pci_config             = qla24xx_pci_config,
1551         .reset_chip             = qla24xx_reset_chip,
1552         .chip_diag              = qla24xx_chip_diag,
1553         .config_rings           = qla24xx_config_rings,
1554         .reset_adapter          = qla24xx_reset_adapter,
1555         .nvram_config           = qla24xx_nvram_config,
1556         .update_fw_options      = qla24xx_update_fw_options,
1557         .load_risc              = qla24xx_load_risc,
1558         .pci_info_str           = qla24xx_pci_info_str,
1559         .fw_version_str         = qla24xx_fw_version_str,
1560         .intr_handler           = qla24xx_intr_handler,
1561         .enable_intrs           = qla24xx_enable_intrs,
1562         .disable_intrs          = qla24xx_disable_intrs,
1563         .abort_command          = qla24xx_abort_command,
1564         .target_reset           = qla24xx_abort_target,
1565         .lun_reset              = qla24xx_lun_reset,
1566         .fabric_login           = qla24xx_login_fabric,
1567         .fabric_logout          = qla24xx_fabric_logout,
1568         .calc_req_entries       = NULL,
1569         .build_iocbs            = NULL,
1570         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1571         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1572         .read_nvram             = qla24xx_read_nvram_data,
1573         .write_nvram            = qla24xx_write_nvram_data,
1574         .fw_dump                = qla24xx_fw_dump,
1575         .beacon_on              = qla24xx_beacon_on,
1576         .beacon_off             = qla24xx_beacon_off,
1577         .beacon_blink           = qla24xx_beacon_blink,
1578         .read_optrom            = qla24xx_read_optrom_data,
1579         .write_optrom           = qla24xx_write_optrom_data,
1580         .get_flash_version      = qla24xx_get_flash_version,
1581         .start_scsi             = qla24xx_start_scsi,
1582         .abort_isp              = qla2x00_abort_isp,
1583 };
1584
1585 static struct isp_operations qla25xx_isp_ops = {
1586         .pci_config             = qla25xx_pci_config,
1587         .reset_chip             = qla24xx_reset_chip,
1588         .chip_diag              = qla24xx_chip_diag,
1589         .config_rings           = qla24xx_config_rings,
1590         .reset_adapter          = qla24xx_reset_adapter,
1591         .nvram_config           = qla24xx_nvram_config,
1592         .update_fw_options      = qla24xx_update_fw_options,
1593         .load_risc              = qla24xx_load_risc,
1594         .pci_info_str           = qla24xx_pci_info_str,
1595         .fw_version_str         = qla24xx_fw_version_str,
1596         .intr_handler           = qla24xx_intr_handler,
1597         .enable_intrs           = qla24xx_enable_intrs,
1598         .disable_intrs          = qla24xx_disable_intrs,
1599         .abort_command          = qla24xx_abort_command,
1600         .target_reset           = qla24xx_abort_target,
1601         .lun_reset              = qla24xx_lun_reset,
1602         .fabric_login           = qla24xx_login_fabric,
1603         .fabric_logout          = qla24xx_fabric_logout,
1604         .calc_req_entries       = NULL,
1605         .build_iocbs            = NULL,
1606         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1607         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1608         .read_nvram             = qla25xx_read_nvram_data,
1609         .write_nvram            = qla25xx_write_nvram_data,
1610         .fw_dump                = qla25xx_fw_dump,
1611         .beacon_on              = qla24xx_beacon_on,
1612         .beacon_off             = qla24xx_beacon_off,
1613         .beacon_blink           = qla24xx_beacon_blink,
1614         .read_optrom            = qla25xx_read_optrom_data,
1615         .write_optrom           = qla24xx_write_optrom_data,
1616         .get_flash_version      = qla24xx_get_flash_version,
1617         .start_scsi             = qla24xx_dif_start_scsi,
1618         .abort_isp              = qla2x00_abort_isp,
1619 };
1620
1621 static struct isp_operations qla81xx_isp_ops = {
1622         .pci_config             = qla25xx_pci_config,
1623         .reset_chip             = qla24xx_reset_chip,
1624         .chip_diag              = qla24xx_chip_diag,
1625         .config_rings           = qla24xx_config_rings,
1626         .reset_adapter          = qla24xx_reset_adapter,
1627         .nvram_config           = qla81xx_nvram_config,
1628         .update_fw_options      = qla81xx_update_fw_options,
1629         .load_risc              = qla81xx_load_risc,
1630         .pci_info_str           = qla24xx_pci_info_str,
1631         .fw_version_str         = qla24xx_fw_version_str,
1632         .intr_handler           = qla24xx_intr_handler,
1633         .enable_intrs           = qla24xx_enable_intrs,
1634         .disable_intrs          = qla24xx_disable_intrs,
1635         .abort_command          = qla24xx_abort_command,
1636         .target_reset           = qla24xx_abort_target,
1637         .lun_reset              = qla24xx_lun_reset,
1638         .fabric_login           = qla24xx_login_fabric,
1639         .fabric_logout          = qla24xx_fabric_logout,
1640         .calc_req_entries       = NULL,
1641         .build_iocbs            = NULL,
1642         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1643         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1644         .read_nvram             = NULL,
1645         .write_nvram            = NULL,
1646         .fw_dump                = qla81xx_fw_dump,
1647         .beacon_on              = qla24xx_beacon_on,
1648         .beacon_off             = qla24xx_beacon_off,
1649         .beacon_blink           = qla24xx_beacon_blink,
1650         .read_optrom            = qla25xx_read_optrom_data,
1651         .write_optrom           = qla24xx_write_optrom_data,
1652         .get_flash_version      = qla24xx_get_flash_version,
1653         .start_scsi             = qla24xx_dif_start_scsi,
1654         .abort_isp              = qla2x00_abort_isp,
1655 };
1656
1657 static struct isp_operations qla82xx_isp_ops = {
1658         .pci_config             = qla82xx_pci_config,
1659         .reset_chip             = qla82xx_reset_chip,
1660         .chip_diag              = qla24xx_chip_diag,
1661         .config_rings           = qla82xx_config_rings,
1662         .reset_adapter          = qla24xx_reset_adapter,
1663         .nvram_config           = qla81xx_nvram_config,
1664         .update_fw_options      = qla24xx_update_fw_options,
1665         .load_risc              = qla82xx_load_risc,
1666         .pci_info_str           = qla82xx_pci_info_str,
1667         .fw_version_str         = qla24xx_fw_version_str,
1668         .intr_handler           = qla82xx_intr_handler,
1669         .enable_intrs           = qla82xx_enable_intrs,
1670         .disable_intrs          = qla82xx_disable_intrs,
1671         .abort_command          = qla24xx_abort_command,
1672         .target_reset           = qla24xx_abort_target,
1673         .lun_reset              = qla24xx_lun_reset,
1674         .fabric_login           = qla24xx_login_fabric,
1675         .fabric_logout          = qla24xx_fabric_logout,
1676         .calc_req_entries       = NULL,
1677         .build_iocbs            = NULL,
1678         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1679         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1680         .read_nvram             = qla24xx_read_nvram_data,
1681         .write_nvram            = qla24xx_write_nvram_data,
1682         .fw_dump                = qla24xx_fw_dump,
1683         .beacon_on              = qla24xx_beacon_on,
1684         .beacon_off             = qla24xx_beacon_off,
1685         .beacon_blink           = qla24xx_beacon_blink,
1686         .read_optrom            = qla82xx_read_optrom_data,
1687         .write_optrom           = qla82xx_write_optrom_data,
1688         .get_flash_version      = qla24xx_get_flash_version,
1689         .start_scsi             = qla82xx_start_scsi,
1690         .abort_isp              = qla82xx_abort_isp,
1691 };
1692
1693 static inline void
1694 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1695 {
1696         ha->device_type = DT_EXTENDED_IDS;
1697         switch (ha->pdev->device) {
1698         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1699                 ha->device_type |= DT_ISP2100;
1700                 ha->device_type &= ~DT_EXTENDED_IDS;
1701                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1702                 break;
1703         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1704                 ha->device_type |= DT_ISP2200;
1705                 ha->device_type &= ~DT_EXTENDED_IDS;
1706                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1707                 break;
1708         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1709                 ha->device_type |= DT_ISP2300;
1710                 ha->device_type |= DT_ZIO_SUPPORTED;
1711                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1712                 break;
1713         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1714                 ha->device_type |= DT_ISP2312;
1715                 ha->device_type |= DT_ZIO_SUPPORTED;
1716                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1717                 break;
1718         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1719                 ha->device_type |= DT_ISP2322;
1720                 ha->device_type |= DT_ZIO_SUPPORTED;
1721                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1722                     ha->pdev->subsystem_device == 0x0170)
1723                         ha->device_type |= DT_OEM_001;
1724                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1725                 break;
1726         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1727                 ha->device_type |= DT_ISP6312;
1728                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1729                 break;
1730         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1731                 ha->device_type |= DT_ISP6322;
1732                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1733                 break;
1734         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1735                 ha->device_type |= DT_ISP2422;
1736                 ha->device_type |= DT_ZIO_SUPPORTED;
1737                 ha->device_type |= DT_FWI2;
1738                 ha->device_type |= DT_IIDMA;
1739                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1740                 break;
1741         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1742                 ha->device_type |= DT_ISP2432;
1743                 ha->device_type |= DT_ZIO_SUPPORTED;
1744                 ha->device_type |= DT_FWI2;
1745                 ha->device_type |= DT_IIDMA;
1746                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1747                 break;
1748         case PCI_DEVICE_ID_QLOGIC_ISP8432:
1749                 ha->device_type |= DT_ISP8432;
1750                 ha->device_type |= DT_ZIO_SUPPORTED;
1751                 ha->device_type |= DT_FWI2;
1752                 ha->device_type |= DT_IIDMA;
1753                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1754                 break;
1755         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1756                 ha->device_type |= DT_ISP5422;
1757                 ha->device_type |= DT_FWI2;
1758                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1759                 break;
1760         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1761                 ha->device_type |= DT_ISP5432;
1762                 ha->device_type |= DT_FWI2;
1763                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1764                 break;
1765         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1766                 ha->device_type |= DT_ISP2532;
1767                 ha->device_type |= DT_ZIO_SUPPORTED;
1768                 ha->device_type |= DT_FWI2;
1769                 ha->device_type |= DT_IIDMA;
1770                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1771                 break;
1772         case PCI_DEVICE_ID_QLOGIC_ISP8001:
1773                 ha->device_type |= DT_ISP8001;
1774                 ha->device_type |= DT_ZIO_SUPPORTED;
1775                 ha->device_type |= DT_FWI2;
1776                 ha->device_type |= DT_IIDMA;
1777                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1778                 break;
1779         case PCI_DEVICE_ID_QLOGIC_ISP8021:
1780                 ha->device_type |= DT_ISP8021;
1781                 ha->device_type |= DT_ZIO_SUPPORTED;
1782                 ha->device_type |= DT_FWI2;
1783                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1784                 /* Initialize 82XX ISP flags */
1785                 qla82xx_init_flags(ha);
1786                 break;
1787         }
1788
1789         if (IS_QLA82XX(ha))
1790                 ha->port_no = !(ha->portnum & 1);
1791         else
1792                 /* Get adapter physical port no from interrupt pin register. */
1793                 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1794
1795         if (ha->port_no & 1)
1796                 ha->flags.port0 = 1;
1797         else
1798                 ha->flags.port0 = 0;
1799 }
1800
1801 static int
1802 qla2x00_iospace_config(struct qla_hw_data *ha)
1803 {
1804         resource_size_t pio;
1805         uint16_t msix;
1806         int cpus;
1807
1808         if (IS_QLA82XX(ha))
1809                 return qla82xx_iospace_config(ha);
1810
1811         if (pci_request_selected_regions(ha->pdev, ha->bars,
1812             QLA2XXX_DRIVER_NAME)) {
1813                 qla_printk(KERN_WARNING, ha,
1814                     "Failed to reserve PIO/MMIO regions (%s)\n",
1815                     pci_name(ha->pdev));
1816
1817                 goto iospace_error_exit;
1818         }
1819         if (!(ha->bars & 1))
1820                 goto skip_pio;
1821
1822         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1823         pio = pci_resource_start(ha->pdev, 0);
1824         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1825                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1826                         qla_printk(KERN_WARNING, ha,
1827                             "Invalid PCI I/O region size (%s)...\n",
1828                                 pci_name(ha->pdev));
1829                         pio = 0;
1830                 }
1831         } else {
1832                 qla_printk(KERN_WARNING, ha,
1833                     "region #0 not a PIO resource (%s)...\n",
1834                     pci_name(ha->pdev));
1835                 pio = 0;
1836         }
1837         ha->pio_address = pio;
1838
1839 skip_pio:
1840         /* Use MMIO operations for all accesses. */
1841         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1842                 qla_printk(KERN_ERR, ha,
1843                     "region #1 not an MMIO resource (%s), aborting\n",
1844                     pci_name(ha->pdev));
1845                 goto iospace_error_exit;
1846         }
1847         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1848                 qla_printk(KERN_ERR, ha,
1849                     "Invalid PCI mem region size (%s), aborting\n",
1850                         pci_name(ha->pdev));
1851                 goto iospace_error_exit;
1852         }
1853
1854         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1855         if (!ha->iobase) {
1856                 qla_printk(KERN_ERR, ha,
1857                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1858
1859                 goto iospace_error_exit;
1860         }
1861
1862         /* Determine queue resources */
1863         ha->max_req_queues = ha->max_rsp_queues = 1;
1864         if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1865                 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1866                 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1867                 goto mqiobase_exit;
1868
1869         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1870                         pci_resource_len(ha->pdev, 3));
1871         if (ha->mqiobase) {
1872                 /* Read MSIX vector size of the board */
1873                 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1874                 ha->msix_count = msix;
1875                 /* Max queues are bounded by available msix vectors */
1876                 /* queue 0 uses two msix vectors */
1877                 if (ql2xmultique_tag) {
1878                         cpus = num_online_cpus();
1879                         ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1880                                 (cpus + 1) : (ha->msix_count - 1);
1881                         ha->max_req_queues = 2;
1882                 } else if (ql2xmaxqueues > 1) {
1883                         ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1884                                                 QLA_MQ_SIZE : ql2xmaxqueues;
1885                         DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1886                         " of request queues:%d\n", ha->max_req_queues));
1887                 }
1888                 qla_printk(KERN_INFO, ha,
1889                         "MSI-X vector count: %d\n", msix);
1890         } else
1891                 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1892
1893 mqiobase_exit:
1894         ha->msix_count = ha->max_rsp_queues + 1;
1895         return (0);
1896
1897 iospace_error_exit:
1898         return (-ENOMEM);
1899 }
1900
1901 static void
1902 qla2xxx_scan_start(struct Scsi_Host *shost)
1903 {
1904         scsi_qla_host_t *vha = shost_priv(shost);
1905
1906         if (vha->hw->flags.running_gold_fw)
1907                 return;
1908
1909         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1910         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1911         set_bit(RSCN_UPDATE, &vha->dpc_flags);
1912         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1913 }
1914
1915 static int
1916 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1917 {
1918         scsi_qla_host_t *vha = shost_priv(shost);
1919
1920         if (!vha->host)
1921                 return 1;
1922         if (time > vha->hw->loop_reset_delay * HZ)
1923                 return 1;
1924
1925         return atomic_read(&vha->loop_state) == LOOP_READY;
1926 }
1927
1928 /*
1929  * PCI driver interface
1930  */
1931 static int __devinit
1932 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1933 {
1934         int     ret = -ENODEV;
1935         struct Scsi_Host *host;
1936         scsi_qla_host_t *base_vha = NULL;
1937         struct qla_hw_data *ha;
1938         char pci_info[30];
1939         char fw_str[30];
1940         struct scsi_host_template *sht;
1941         int bars, max_id, mem_only = 0;
1942         uint16_t req_length = 0, rsp_length = 0;
1943         struct req_que *req = NULL;
1944         struct rsp_que *rsp = NULL;
1945
1946         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1947         sht = &qla2xxx_driver_template;
1948         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1949             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1950             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1951             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1952             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1953             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1954             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
1955             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
1956                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1957                 mem_only = 1;
1958         }
1959
1960         if (mem_only) {
1961                 if (pci_enable_device_mem(pdev))
1962                         goto probe_out;
1963         } else {
1964                 if (pci_enable_device(pdev))
1965                         goto probe_out;
1966         }
1967
1968         /* This may fail but that's ok */
1969         pci_enable_pcie_error_reporting(pdev);
1970
1971         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1972         if (!ha) {
1973                 DEBUG(printk("Unable to allocate memory for ha\n"));
1974                 goto probe_out;
1975         }
1976         ha->pdev = pdev;
1977
1978         /* Clear our data area */
1979         ha->bars = bars;
1980         ha->mem_only = mem_only;
1981         spin_lock_init(&ha->hardware_lock);
1982
1983         /* Set ISP-type information. */
1984         qla2x00_set_isp_flags(ha);
1985
1986         /* Set EEH reset type to fundamental if required by hba */
1987         if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1988                 pdev->needs_freset = 1;
1989         }
1990
1991         /* Configure PCI I/O space */
1992         ret = qla2x00_iospace_config(ha);
1993         if (ret)
1994                 goto probe_hw_failed;
1995
1996         qla_printk(KERN_INFO, ha,
1997             "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1998             ha->iobase);
1999
2000         ha->prev_topology = 0;
2001         ha->init_cb_size = sizeof(init_cb_t);
2002         ha->link_data_rate = PORT_SPEED_UNKNOWN;
2003         ha->optrom_size = OPTROM_SIZE_2300;
2004
2005         /* Assign ISP specific operations. */
2006         max_id = MAX_TARGETS_2200;
2007         if (IS_QLA2100(ha)) {
2008                 max_id = MAX_TARGETS_2100;
2009                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2010                 req_length = REQUEST_ENTRY_CNT_2100;
2011                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2012                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2013                 ha->gid_list_info_size = 4;
2014                 ha->flash_conf_off = ~0;
2015                 ha->flash_data_off = ~0;
2016                 ha->nvram_conf_off = ~0;
2017                 ha->nvram_data_off = ~0;
2018                 ha->isp_ops = &qla2100_isp_ops;
2019         } else if (IS_QLA2200(ha)) {
2020                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2021                 req_length = REQUEST_ENTRY_CNT_2200;
2022                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2023                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2024                 ha->gid_list_info_size = 4;
2025                 ha->flash_conf_off = ~0;
2026                 ha->flash_data_off = ~0;
2027                 ha->nvram_conf_off = ~0;
2028                 ha->nvram_data_off = ~0;
2029                 ha->isp_ops = &qla2100_isp_ops;
2030         } else if (IS_QLA23XX(ha)) {
2031                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2032                 req_length = REQUEST_ENTRY_CNT_2200;
2033                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2034                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2035                 ha->gid_list_info_size = 6;
2036                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2037                         ha->optrom_size = OPTROM_SIZE_2322;
2038                 ha->flash_conf_off = ~0;
2039                 ha->flash_data_off = ~0;
2040                 ha->nvram_conf_off = ~0;
2041                 ha->nvram_data_off = ~0;
2042                 ha->isp_ops = &qla2300_isp_ops;
2043         } else if (IS_QLA24XX_TYPE(ha)) {
2044                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2045                 req_length = REQUEST_ENTRY_CNT_24XX;
2046                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2047                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2048                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2049                 ha->gid_list_info_size = 8;
2050                 ha->optrom_size = OPTROM_SIZE_24XX;
2051                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2052                 ha->isp_ops = &qla24xx_isp_ops;
2053                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2054                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2055                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2056                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2057         } else if (IS_QLA25XX(ha)) {
2058                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2059                 req_length = REQUEST_ENTRY_CNT_24XX;
2060                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2061                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2062                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2063                 ha->gid_list_info_size = 8;
2064                 ha->optrom_size = OPTROM_SIZE_25XX;
2065                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2066                 ha->isp_ops = &qla25xx_isp_ops;
2067                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2068                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2069                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2070                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2071         } else if (IS_QLA81XX(ha)) {
2072                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2073                 req_length = REQUEST_ENTRY_CNT_24XX;
2074                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2075                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2076                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2077                 ha->gid_list_info_size = 8;
2078                 ha->optrom_size = OPTROM_SIZE_81XX;
2079                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2080                 ha->isp_ops = &qla81xx_isp_ops;
2081                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2082                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2083                 ha->nvram_conf_off = ~0;
2084                 ha->nvram_data_off = ~0;
2085         } else if (IS_QLA82XX(ha)) {
2086                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2087                 req_length = REQUEST_ENTRY_CNT_82XX;
2088                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2089                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2090                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2091                 ha->gid_list_info_size = 8;
2092                 ha->optrom_size = OPTROM_SIZE_82XX;
2093                 ha->isp_ops = &qla82xx_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         }
2099
2100         mutex_init(&ha->vport_lock);
2101         init_completion(&ha->mbx_cmd_comp);
2102         complete(&ha->mbx_cmd_comp);
2103         init_completion(&ha->mbx_intr_comp);
2104         init_completion(&ha->dcbx_comp);
2105
2106         set_bit(0, (unsigned long *) ha->vp_idx_map);
2107
2108         qla2x00_config_dma_addressing(ha);
2109         ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2110         if (!ret) {
2111                 qla_printk(KERN_WARNING, ha,
2112                     "[ERROR] Failed to allocate memory for adapter\n");
2113
2114                 goto probe_hw_failed;
2115         }
2116
2117         req->max_q_depth = MAX_Q_DEPTH;
2118         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2119                 req->max_q_depth = ql2xmaxqdepth;
2120
2121
2122         base_vha = qla2x00_create_host(sht, ha);
2123         if (!base_vha) {
2124                 qla_printk(KERN_WARNING, ha,
2125                     "[ERROR] Failed to allocate memory for scsi_host\n");
2126
2127                 ret = -ENOMEM;
2128                 qla2x00_mem_free(ha);
2129                 qla2x00_free_req_que(ha, req);
2130                 qla2x00_free_rsp_que(ha, rsp);
2131                 goto probe_hw_failed;
2132         }
2133
2134         pci_set_drvdata(pdev, base_vha);
2135
2136         host = base_vha->host;
2137         base_vha->req = req;
2138         host->can_queue = req->length + 128;
2139         if (IS_QLA2XXX_MIDTYPE(ha))
2140                 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2141         else
2142                 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2143                                                 base_vha->vp_idx;
2144         if (IS_QLA2100(ha))
2145                 host->sg_tablesize = 32;
2146         host->max_id = max_id;
2147         host->this_id = 255;
2148         host->cmd_per_lun = 3;
2149         host->unique_id = host->host_no;
2150         if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif)
2151                 host->max_cmd_len = 32;
2152         else
2153                 host->max_cmd_len = MAX_CMDSZ;
2154         host->max_channel = MAX_BUSES - 1;
2155         host->max_lun = MAX_LUNS;
2156         host->transportt = qla2xxx_transport_template;
2157         sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2158
2159         /* Set up the irqs */
2160         ret = qla2x00_request_irqs(ha, rsp);
2161         if (ret)
2162                 goto probe_init_failed;
2163
2164         pci_save_state(pdev);
2165
2166         /* Alloc arrays of request and response ring ptrs */
2167 que_init:
2168         if (!qla2x00_alloc_queues(ha)) {
2169                 qla_printk(KERN_WARNING, ha,
2170                 "[ERROR] Failed to allocate memory for queue"
2171                 " pointers\n");
2172                 goto probe_init_failed;
2173         }
2174
2175         ha->rsp_q_map[0] = rsp;
2176         ha->req_q_map[0] = req;
2177         rsp->req = req;
2178         req->rsp = rsp;
2179         set_bit(0, ha->req_qid_map);
2180         set_bit(0, ha->rsp_qid_map);
2181         /* FWI2-capable only. */
2182         req->req_q_in = &ha->iobase->isp24.req_q_in;
2183         req->req_q_out = &ha->iobase->isp24.req_q_out;
2184         rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2185         rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2186         if (ha->mqenable) {
2187                 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2188                 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2189                 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2190                 rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2191         }
2192
2193         if (IS_QLA82XX(ha)) {
2194                 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2195                 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2196                 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2197         }
2198
2199         if (qla2x00_initialize_adapter(base_vha)) {
2200                 qla_printk(KERN_WARNING, ha,
2201                     "Failed to initialize adapter\n");
2202
2203                 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2204                     "Adapter flags %x.\n",
2205                     base_vha->host_no, base_vha->device_flags));
2206
2207                 if (IS_QLA82XX(ha)) {
2208                         qla82xx_idc_lock(ha);
2209                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2210                                 QLA82XX_DEV_FAILED);
2211                         qla82xx_idc_unlock(ha);
2212                         qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
2213                 }
2214
2215                 ret = -ENODEV;
2216                 goto probe_failed;
2217         }
2218
2219         if (ha->mqenable) {
2220                 if (qla25xx_setup_mode(base_vha)) {
2221                         qla_printk(KERN_WARNING, ha,
2222                                 "Can't create queues, falling back to single"
2223                                 " queue mode\n");
2224                         goto que_init;
2225                 }
2226         }
2227
2228         if (ha->flags.running_gold_fw)
2229                 goto skip_dpc;
2230
2231         /*
2232          * Startup the kernel thread for this host adapter
2233          */
2234         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2235                         "%s_dpc", base_vha->host_str);
2236         if (IS_ERR(ha->dpc_thread)) {
2237                 qla_printk(KERN_WARNING, ha,
2238                     "Unable to start DPC thread!\n");
2239                 ret = PTR_ERR(ha->dpc_thread);
2240                 goto probe_failed;
2241         }
2242
2243 skip_dpc:
2244         list_add_tail(&base_vha->list, &ha->vp_list);
2245         base_vha->host->irq = ha->pdev->irq;
2246
2247         /* Initialized the timer */
2248         qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2249
2250         DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
2251             base_vha->host_no, ha));
2252
2253         if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) {
2254                 if (ha->fw_attributes & BIT_4) {
2255                         base_vha->flags.difdix_supported = 1;
2256                         DEBUG18(qla_printk(KERN_INFO, ha,
2257                             "Registering for DIF/DIX type 1 and 3"
2258                             " protection.\n"));
2259                         scsi_host_set_prot(host,
2260                             SHOST_DIF_TYPE1_PROTECTION
2261                             | SHOST_DIF_TYPE2_PROTECTION
2262                             | SHOST_DIF_TYPE3_PROTECTION
2263                             | SHOST_DIX_TYPE1_PROTECTION
2264                             | SHOST_DIX_TYPE2_PROTECTION
2265                             | SHOST_DIX_TYPE3_PROTECTION);
2266                         scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2267                 } else
2268                         base_vha->flags.difdix_supported = 0;
2269         }
2270
2271         ha->isp_ops->enable_intrs(ha);
2272
2273         ret = scsi_add_host(host, &pdev->dev);
2274         if (ret)
2275                 goto probe_failed;
2276
2277         base_vha->flags.init_done = 1;
2278         base_vha->flags.online = 1;
2279
2280         scsi_scan_host(host);
2281
2282         qla2x00_alloc_sysfs_attr(base_vha);
2283
2284         qla2x00_init_host_attr(base_vha);
2285
2286         qla2x00_dfs_setup(base_vha);
2287
2288         qla_printk(KERN_INFO, ha, "\n"
2289             " QLogic Fibre Channel HBA Driver: %s\n"
2290             "  QLogic %s - %s\n"
2291             "  ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2292             qla2x00_version_str, ha->model_number,
2293             ha->model_desc ? ha->model_desc : "", pdev->device,
2294             ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2295             ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2296             ha->isp_ops->fw_version_str(base_vha, fw_str));
2297
2298         return 0;
2299
2300 probe_init_failed:
2301         qla2x00_free_req_que(ha, req);
2302         qla2x00_free_rsp_que(ha, rsp);
2303         ha->max_req_queues = ha->max_rsp_queues = 0;
2304
2305 probe_failed:
2306         if (base_vha->timer_active)
2307                 qla2x00_stop_timer(base_vha);
2308         base_vha->flags.online = 0;
2309         if (ha->dpc_thread) {
2310                 struct task_struct *t = ha->dpc_thread;
2311
2312                 ha->dpc_thread = NULL;
2313                 kthread_stop(t);
2314         }
2315
2316         qla2x00_free_device(base_vha);
2317
2318         scsi_host_put(base_vha->host);
2319
2320 probe_hw_failed:
2321         if (IS_QLA82XX(ha)) {
2322                 qla82xx_idc_lock(ha);
2323                 qla82xx_clear_drv_active(ha);
2324                 qla82xx_idc_unlock(ha);
2325                 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2326                 if (!ql2xdbwr)
2327                         iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2328         } else {
2329                 if (ha->iobase)
2330                         iounmap(ha->iobase);
2331         }
2332         pci_release_selected_regions(ha->pdev, ha->bars);
2333         kfree(ha);
2334         ha = NULL;
2335
2336 probe_out:
2337         pci_disable_device(pdev);
2338         return ret;
2339 }
2340
2341 static void
2342 qla2x00_remove_one(struct pci_dev *pdev)
2343 {
2344         scsi_qla_host_t *base_vha, *vha;
2345         struct qla_hw_data  *ha;
2346         unsigned long flags;
2347
2348         base_vha = pci_get_drvdata(pdev);
2349         ha = base_vha->hw;
2350
2351         spin_lock_irqsave(&ha->vport_slock, flags);
2352         list_for_each_entry(vha, &ha->vp_list, list) {
2353                 atomic_inc(&vha->vref_count);
2354
2355                 if (vha && vha->fc_vport) {
2356                         spin_unlock_irqrestore(&ha->vport_slock, flags);
2357
2358                         fc_vport_terminate(vha->fc_vport);
2359
2360                         spin_lock_irqsave(&ha->vport_slock, flags);
2361                 }
2362
2363                 atomic_dec(&vha->vref_count);
2364         }
2365         spin_unlock_irqrestore(&ha->vport_slock, flags);
2366
2367         set_bit(UNLOADING, &base_vha->dpc_flags);
2368
2369         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2370
2371         qla2x00_dfs_remove(base_vha);
2372
2373         qla84xx_put_chip(base_vha);
2374
2375         /* Disable timer */
2376         if (base_vha->timer_active)
2377                 qla2x00_stop_timer(base_vha);
2378
2379         base_vha->flags.online = 0;
2380
2381         /* Flush the work queue and remove it */
2382         if (ha->wq) {
2383                 flush_workqueue(ha->wq);
2384                 destroy_workqueue(ha->wq);
2385                 ha->wq = NULL;
2386         }
2387
2388         /* Kill the kernel thread for this host */
2389         if (ha->dpc_thread) {
2390                 struct task_struct *t = ha->dpc_thread;
2391
2392                 /*
2393                  * qla2xxx_wake_dpc checks for ->dpc_thread
2394                  * so we need to zero it out.
2395                  */
2396                 ha->dpc_thread = NULL;
2397                 kthread_stop(t);
2398         }
2399
2400         qla2x00_free_sysfs_attr(base_vha);
2401
2402         fc_remove_host(base_vha->host);
2403
2404         scsi_remove_host(base_vha->host);
2405
2406         qla2x00_free_device(base_vha);
2407
2408         scsi_host_put(base_vha->host);
2409
2410         if (IS_QLA82XX(ha)) {
2411                 qla82xx_idc_lock(ha);
2412                 qla82xx_clear_drv_active(ha);
2413                 qla82xx_idc_unlock(ha);
2414
2415                 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2416                 if (!ql2xdbwr)
2417                         iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2418         } else {
2419                 if (ha->iobase)
2420                         iounmap(ha->iobase);
2421
2422                 if (ha->mqiobase)
2423                         iounmap(ha->mqiobase);
2424         }
2425
2426         pci_release_selected_regions(ha->pdev, ha->bars);
2427         kfree(ha);
2428         ha = NULL;
2429
2430         pci_disable_pcie_error_reporting(pdev);
2431
2432         pci_disable_device(pdev);
2433         pci_set_drvdata(pdev, NULL);
2434 }
2435
2436 static void
2437 qla2x00_free_device(scsi_qla_host_t *vha)
2438 {
2439         struct qla_hw_data *ha = vha->hw;
2440
2441         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2442
2443         /* Disable timer */
2444         if (vha->timer_active)
2445                 qla2x00_stop_timer(vha);
2446
2447         /* Kill the kernel thread for this host */
2448         if (ha->dpc_thread) {
2449                 struct task_struct *t = ha->dpc_thread;
2450
2451                 /*
2452                  * qla2xxx_wake_dpc checks for ->dpc_thread
2453                  * so we need to zero it out.
2454                  */
2455                 ha->dpc_thread = NULL;
2456                 kthread_stop(t);
2457         }
2458
2459         qla25xx_delete_queues(vha);
2460
2461         if (ha->flags.fce_enabled)
2462                 qla2x00_disable_fce_trace(vha, NULL, NULL);
2463
2464         if (ha->eft)
2465                 qla2x00_disable_eft_trace(vha);
2466
2467         /* Stop currently executing firmware. */
2468         qla2x00_try_to_stop_firmware(vha);
2469
2470         vha->flags.online = 0;
2471
2472         /* turn-off interrupts on the card */
2473         if (ha->interrupts_on) {
2474                 vha->flags.init_done = 0;
2475                 ha->isp_ops->disable_intrs(ha);
2476         }
2477
2478         qla2x00_free_irqs(vha);
2479
2480         qla2x00_free_fcports(vha);
2481
2482         qla2x00_mem_free(ha);
2483
2484         qla2x00_free_queues(ha);
2485 }
2486
2487 void qla2x00_free_fcports(struct scsi_qla_host *vha)
2488 {
2489         fc_port_t *fcport, *tfcport;
2490
2491         list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
2492                 list_del(&fcport->list);
2493                 kfree(fcport);
2494                 fcport = NULL;
2495         }
2496 }
2497
2498 static inline void
2499 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2500     int defer)
2501 {
2502         struct fc_rport *rport;
2503         scsi_qla_host_t *base_vha;
2504
2505         if (!fcport->rport)
2506                 return;
2507
2508         rport = fcport->rport;
2509         if (defer) {
2510                 base_vha = pci_get_drvdata(vha->hw->pdev);
2511                 spin_lock_irq(vha->host->host_lock);
2512                 fcport->drport = rport;
2513                 spin_unlock_irq(vha->host->host_lock);
2514                 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2515                 qla2xxx_wake_dpc(base_vha);
2516         } else
2517                 fc_remote_port_delete(rport);
2518 }
2519
2520 /*
2521  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2522  *
2523  * Input: ha = adapter block pointer.  fcport = port structure pointer.
2524  *
2525  * Return: None.
2526  *
2527  * Context:
2528  */
2529 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2530     int do_login, int defer)
2531 {
2532         if (atomic_read(&fcport->state) == FCS_ONLINE &&
2533             vha->vp_idx == fcport->vp_idx) {
2534                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2535                 qla2x00_schedule_rport_del(vha, fcport, defer);
2536         }
2537         /*
2538          * We may need to retry the login, so don't change the state of the
2539          * port but do the retries.
2540          */
2541         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2542                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2543
2544         if (!do_login)
2545                 return;
2546
2547         if (fcport->login_retry == 0) {
2548                 fcport->login_retry = vha->hw->login_retry_count;
2549                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2550
2551                 DEBUG(printk("scsi(%ld): Port login retry: "
2552                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
2553                     "id = 0x%04x retry cnt=%d\n",
2554                     vha->host_no,
2555                     fcport->port_name[0],
2556                     fcport->port_name[1],
2557                     fcport->port_name[2],
2558                     fcport->port_name[3],
2559                     fcport->port_name[4],
2560                     fcport->port_name[5],
2561                     fcport->port_name[6],
2562                     fcport->port_name[7],
2563                     fcport->loop_id,
2564                     fcport->login_retry));
2565         }
2566 }
2567
2568 /*
2569  * qla2x00_mark_all_devices_lost
2570  *      Updates fcport state when device goes offline.
2571  *
2572  * Input:
2573  *      ha = adapter block pointer.
2574  *      fcport = port structure pointer.
2575  *
2576  * Return:
2577  *      None.
2578  *
2579  * Context:
2580  */
2581 void
2582 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2583 {
2584         fc_port_t *fcport;
2585
2586         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2587                 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2588                         continue;
2589
2590                 /*
2591                  * No point in marking the device as lost, if the device is
2592                  * already DEAD.
2593                  */
2594                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2595                         continue;
2596                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2597                         if (defer)
2598                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2599                         else if (vha->vp_idx == fcport->vp_idx)
2600                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2601                 }
2602                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2603         }
2604 }
2605
2606 /*
2607 * qla2x00_mem_alloc
2608 *      Allocates adapter memory.
2609 *
2610 * Returns:
2611 *      0  = success.
2612 *      !0  = failure.
2613 */
2614 static int
2615 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2616         struct req_que **req, struct rsp_que **rsp)
2617 {
2618         char    name[16];
2619
2620         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2621                 &ha->init_cb_dma, GFP_KERNEL);
2622         if (!ha->init_cb)
2623                 goto fail;
2624
2625         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2626                 &ha->gid_list_dma, GFP_KERNEL);
2627         if (!ha->gid_list)
2628                 goto fail_free_init_cb;
2629
2630         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2631         if (!ha->srb_mempool)
2632                 goto fail_free_gid_list;
2633
2634         if (IS_QLA82XX(ha)) {
2635                 /* Allocate cache for CT6 Ctx. */
2636                 if (!ctx_cachep) {
2637                         ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2638                                 sizeof(struct ct6_dsd), 0,
2639                                 SLAB_HWCACHE_ALIGN, NULL);
2640                         if (!ctx_cachep)
2641                                 goto fail_free_gid_list;
2642                 }
2643                 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2644                         ctx_cachep);
2645                 if (!ha->ctx_mempool)
2646                         goto fail_free_srb_mempool;
2647         }
2648
2649         /* Get memory for cached NVRAM */
2650         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2651         if (!ha->nvram)
2652                 goto fail_free_ctx_mempool;
2653
2654         snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2655                 ha->pdev->device);
2656         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2657                 DMA_POOL_SIZE, 8, 0);
2658         if (!ha->s_dma_pool)
2659                 goto fail_free_nvram;
2660
2661         if (IS_QLA82XX(ha) || ql2xenabledif) {
2662                 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2663                         DSD_LIST_DMA_POOL_SIZE, 8, 0);
2664                 if (!ha->dl_dma_pool) {
2665                         qla_printk(KERN_WARNING, ha,
2666                             "Memory Allocation failed - dl_dma_pool\n");
2667                         goto fail_s_dma_pool;
2668                 }
2669
2670                 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2671                         FCP_CMND_DMA_POOL_SIZE, 8, 0);
2672                 if (!ha->fcp_cmnd_dma_pool) {
2673                         qla_printk(KERN_WARNING, ha,
2674                             "Memory Allocation failed - fcp_cmnd_dma_pool\n");
2675                         goto fail_dl_dma_pool;
2676                 }
2677         }
2678
2679         /* Allocate memory for SNS commands */
2680         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2681         /* Get consistent memory allocated for SNS commands */
2682                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2683                 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2684                 if (!ha->sns_cmd)
2685                         goto fail_dma_pool;
2686         } else {
2687         /* Get consistent memory allocated for MS IOCB */
2688                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2689                         &ha->ms_iocb_dma);
2690                 if (!ha->ms_iocb)
2691                         goto fail_dma_pool;
2692         /* Get consistent memory allocated for CT SNS commands */
2693                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2694                         sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2695                 if (!ha->ct_sns)
2696                         goto fail_free_ms_iocb;
2697         }
2698
2699         /* Allocate memory for request ring */
2700         *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2701         if (!*req) {
2702                 DEBUG(printk("Unable to allocate memory for req\n"));
2703                 goto fail_req;
2704         }
2705         (*req)->length = req_len;
2706         (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2707                 ((*req)->length + 1) * sizeof(request_t),
2708                 &(*req)->dma, GFP_KERNEL);
2709         if (!(*req)->ring) {
2710                 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2711                 goto fail_req_ring;
2712         }
2713         /* Allocate memory for response ring */
2714         *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2715         if (!*rsp) {
2716                 qla_printk(KERN_WARNING, ha,
2717                         "Unable to allocate memory for rsp\n");
2718                 goto fail_rsp;
2719         }
2720         (*rsp)->hw = ha;
2721         (*rsp)->length = rsp_len;
2722         (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2723                 ((*rsp)->length + 1) * sizeof(response_t),
2724                 &(*rsp)->dma, GFP_KERNEL);
2725         if (!(*rsp)->ring) {
2726                 qla_printk(KERN_WARNING, ha,
2727                         "Unable to allocate memory for rsp_ring\n");
2728                 goto fail_rsp_ring;
2729         }
2730         (*req)->rsp = *rsp;
2731         (*rsp)->req = *req;
2732         /* Allocate memory for NVRAM data for vports */
2733         if (ha->nvram_npiv_size) {
2734                 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2735                                         ha->nvram_npiv_size, GFP_KERNEL);
2736                 if (!ha->npiv_info) {
2737                         qla_printk(KERN_WARNING, ha,
2738                                 "Unable to allocate memory for npiv info\n");
2739                         goto fail_npiv_info;
2740                 }
2741         } else
2742                 ha->npiv_info = NULL;
2743
2744         /* Get consistent memory allocated for EX-INIT-CB. */
2745         if (IS_QLA8XXX_TYPE(ha)) {
2746                 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2747                     &ha->ex_init_cb_dma);
2748                 if (!ha->ex_init_cb)
2749                         goto fail_ex_init_cb;
2750         }
2751
2752         INIT_LIST_HEAD(&ha->gbl_dsd_list);
2753
2754         /* Get consistent memory allocated for Async Port-Database. */
2755         if (!IS_FWI2_CAPABLE(ha)) {
2756                 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2757                         &ha->async_pd_dma);
2758                 if (!ha->async_pd)
2759                         goto fail_async_pd;
2760         }
2761
2762         INIT_LIST_HEAD(&ha->vp_list);
2763         return 1;
2764
2765 fail_async_pd:
2766         dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2767 fail_ex_init_cb:
2768         kfree(ha->npiv_info);
2769 fail_npiv_info:
2770         dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2771                 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2772         (*rsp)->ring = NULL;
2773         (*rsp)->dma = 0;
2774 fail_rsp_ring:
2775         kfree(*rsp);
2776 fail_rsp:
2777         dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2778                 sizeof(request_t), (*req)->ring, (*req)->dma);
2779         (*req)->ring = NULL;
2780         (*req)->dma = 0;
2781 fail_req_ring:
2782         kfree(*req);
2783 fail_req:
2784         dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2785                 ha->ct_sns, ha->ct_sns_dma);
2786         ha->ct_sns = NULL;
2787         ha->ct_sns_dma = 0;
2788 fail_free_ms_iocb:
2789         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2790         ha->ms_iocb = NULL;
2791         ha->ms_iocb_dma = 0;
2792 fail_dma_pool:
2793         if (IS_QLA82XX(ha) || ql2xenabledif) {
2794                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2795                 ha->fcp_cmnd_dma_pool = NULL;
2796         }
2797 fail_dl_dma_pool:
2798         if (IS_QLA82XX(ha) || ql2xenabledif) {
2799                 dma_pool_destroy(ha->dl_dma_pool);
2800                 ha->dl_dma_pool = NULL;
2801         }
2802 fail_s_dma_pool:
2803         dma_pool_destroy(ha->s_dma_pool);
2804         ha->s_dma_pool = NULL;
2805 fail_free_nvram:
2806         kfree(ha->nvram);
2807         ha->nvram = NULL;
2808 fail_free_ctx_mempool:
2809         mempool_destroy(ha->ctx_mempool);
2810         ha->ctx_mempool = NULL;
2811 fail_free_srb_mempool:
2812         mempool_destroy(ha->srb_mempool);
2813         ha->srb_mempool = NULL;
2814 fail_free_gid_list:
2815         dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2816         ha->gid_list_dma);
2817         ha->gid_list = NULL;
2818         ha->gid_list_dma = 0;
2819 fail_free_init_cb:
2820         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2821         ha->init_cb_dma);
2822         ha->init_cb = NULL;
2823         ha->init_cb_dma = 0;
2824 fail:
2825         DEBUG(printk("%s: Memory allocation failure\n", __func__));
2826         return -ENOMEM;
2827 }
2828
2829 /*
2830 * qla2x00_mem_free
2831 *      Frees all adapter allocated memory.
2832 *
2833 * Input:
2834 *      ha = adapter block pointer.
2835 */
2836 static void
2837 qla2x00_mem_free(struct qla_hw_data *ha)
2838 {
2839         if (ha->srb_mempool)
2840                 mempool_destroy(ha->srb_mempool);
2841
2842         if (ha->fce)
2843                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2844                 ha->fce_dma);
2845
2846         if (ha->fw_dump) {
2847                 if (ha->eft)
2848                         dma_free_coherent(&ha->pdev->dev,
2849                         ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2850                 vfree(ha->fw_dump);
2851         }
2852
2853         if (ha->dcbx_tlv)
2854                 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2855                     ha->dcbx_tlv, ha->dcbx_tlv_dma);
2856
2857         if (ha->xgmac_data)
2858                 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2859                     ha->xgmac_data, ha->xgmac_data_dma);
2860
2861         if (ha->sns_cmd)
2862                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2863                 ha->sns_cmd, ha->sns_cmd_dma);
2864
2865         if (ha->ct_sns)
2866                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2867                 ha->ct_sns, ha->ct_sns_dma);
2868
2869         if (ha->sfp_data)
2870                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2871
2872         if (ha->edc_data)
2873                 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2874
2875         if (ha->ms_iocb)
2876                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2877
2878         if (ha->ex_init_cb)
2879                 dma_pool_free(ha->s_dma_pool,
2880                         ha->ex_init_cb, ha->ex_init_cb_dma);
2881
2882         if (ha->async_pd)
2883                 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
2884
2885         if (ha->s_dma_pool)
2886                 dma_pool_destroy(ha->s_dma_pool);
2887
2888         if (ha->gid_list)
2889                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2890                 ha->gid_list_dma);
2891
2892         if (IS_QLA82XX(ha)) {
2893                 if (!list_empty(&ha->gbl_dsd_list)) {
2894                         struct dsd_dma *dsd_ptr, *tdsd_ptr;
2895
2896                         /* clean up allocated prev pool */
2897                         list_for_each_entry_safe(dsd_ptr,
2898                                 tdsd_ptr, &ha->gbl_dsd_list, list) {
2899                                 dma_pool_free(ha->dl_dma_pool,
2900                                 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
2901                                 list_del(&dsd_ptr->list);
2902                                 kfree(dsd_ptr);
2903                         }
2904                 }
2905         }
2906
2907         if (ha->dl_dma_pool)
2908                 dma_pool_destroy(ha->dl_dma_pool);
2909
2910         if (ha->fcp_cmnd_dma_pool)
2911                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2912
2913         if (ha->ctx_mempool)
2914                 mempool_destroy(ha->ctx_mempool);
2915
2916         if (ha->init_cb)
2917                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2918                         ha->init_cb, ha->init_cb_dma);
2919         vfree(ha->optrom_buffer);
2920         kfree(ha->nvram);
2921         kfree(ha->npiv_info);
2922
2923         ha->srb_mempool = NULL;
2924         ha->ctx_mempool = NULL;
2925         ha->eft = NULL;
2926         ha->eft_dma = 0;
2927         ha->sns_cmd = NULL;
2928         ha->sns_cmd_dma = 0;
2929         ha->ct_sns = NULL;
2930         ha->ct_sns_dma = 0;
2931         ha->ms_iocb = NULL;
2932         ha->ms_iocb_dma = 0;
2933         ha->init_cb = NULL;
2934         ha->init_cb_dma = 0;
2935         ha->ex_init_cb = NULL;
2936         ha->ex_init_cb_dma = 0;
2937         ha->async_pd = NULL;
2938         ha->async_pd_dma = 0;
2939
2940         ha->s_dma_pool = NULL;
2941         ha->dl_dma_pool = NULL;
2942         ha->fcp_cmnd_dma_pool = NULL;
2943
2944         ha->gid_list = NULL;
2945         ha->gid_list_dma = 0;
2946
2947         ha->fw_dump = NULL;
2948         ha->fw_dumped = 0;
2949         ha->fw_dump_reading = 0;
2950 }
2951
2952 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2953                                                 struct qla_hw_data *ha)
2954 {
2955         struct Scsi_Host *host;
2956         struct scsi_qla_host *vha = NULL;
2957
2958         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2959         if (host == NULL) {
2960                 printk(KERN_WARNING
2961                 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2962                 goto fail;
2963         }
2964
2965         /* Clear our data area */
2966         vha = shost_priv(host);
2967         memset(vha, 0, sizeof(scsi_qla_host_t));
2968
2969         vha->host = host;
2970         vha->host_no = host->host_no;
2971         vha->hw = ha;
2972
2973         INIT_LIST_HEAD(&vha->vp_fcports);
2974         INIT_LIST_HEAD(&vha->work_list);
2975         INIT_LIST_HEAD(&vha->list);
2976
2977         spin_lock_init(&vha->work_lock);
2978
2979         sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2980         return vha;
2981
2982 fail:
2983         return vha;
2984 }
2985
2986 static struct qla_work_evt *
2987 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
2988 {
2989         struct qla_work_evt *e;
2990         uint8_t bail;
2991
2992         QLA_VHA_MARK_BUSY(vha, bail);
2993         if (bail)
2994                 return NULL;
2995
2996         e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
2997         if (!e) {
2998                 QLA_VHA_MARK_NOT_BUSY(vha);
2999                 return NULL;
3000         }
3001
3002         INIT_LIST_HEAD(&e->list);
3003         e->type = type;
3004         e->flags = QLA_EVT_FLAG_FREE;
3005         return e;
3006 }
3007
3008 static int
3009 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3010 {
3011         unsigned long flags;
3012
3013         spin_lock_irqsave(&vha->work_lock, flags);
3014         list_add_tail(&e->list, &vha->work_list);
3015         spin_unlock_irqrestore(&vha->work_lock, flags);
3016         qla2xxx_wake_dpc(vha);
3017
3018         return QLA_SUCCESS;
3019 }
3020
3021 int
3022 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3023     u32 data)
3024 {
3025         struct qla_work_evt *e;
3026
3027         e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3028         if (!e)
3029                 return QLA_FUNCTION_FAILED;
3030
3031         e->u.aen.code = code;
3032         e->u.aen.data = data;
3033         return qla2x00_post_work(vha, e);
3034 }
3035
3036 int
3037 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3038 {
3039         struct qla_work_evt *e;
3040
3041         e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3042         if (!e)
3043                 return QLA_FUNCTION_FAILED;
3044
3045         memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3046         return qla2x00_post_work(vha, e);
3047 }
3048
3049 #define qla2x00_post_async_work(name, type)     \
3050 int qla2x00_post_async_##name##_work(           \
3051     struct scsi_qla_host *vha,                  \
3052     fc_port_t *fcport, uint16_t *data)          \
3053 {                                               \
3054         struct qla_work_evt *e;                 \
3055                                                 \
3056         e = qla2x00_alloc_work(vha, type);      \
3057         if (!e)                                 \
3058                 return QLA_FUNCTION_FAILED;     \
3059                                                 \
3060         e->u.logio.fcport = fcport;             \
3061         if (data) {                             \
3062                 e->u.logio.data[0] = data[0];   \
3063                 e->u.logio.data[1] = data[1];   \
3064         }                                       \
3065         return qla2x00_post_work(vha, e);       \
3066 }
3067
3068 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3069 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3070 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3071 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3072 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3073 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3074
3075 int
3076 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3077 {
3078         struct qla_work_evt *e;
3079
3080         e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3081         if (!e)
3082                 return QLA_FUNCTION_FAILED;
3083
3084         e->u.uevent.code = code;
3085         return qla2x00_post_work(vha, e);
3086 }
3087
3088 static void
3089 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3090 {
3091         char event_string[40];
3092         char *envp[] = { event_string, NULL };
3093
3094         switch (code) {
3095         case QLA_UEVENT_CODE_FW_DUMP:
3096                 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3097                     vha->host_no);
3098                 break;
3099         default:
3100                 /* do nothing */
3101                 break;
3102         }
3103         kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3104 }
3105
3106 void
3107 qla2x00_do_work(struct scsi_qla_host *vha)
3108 {
3109         struct qla_work_evt *e, *tmp;
3110         unsigned long flags;
3111         LIST_HEAD(work);
3112
3113         spin_lock_irqsave(&vha->work_lock, flags);
3114         list_splice_init(&vha->work_list, &work);
3115         spin_unlock_irqrestore(&vha->work_lock, flags);
3116
3117         list_for_each_entry_safe(e, tmp, &work, list) {
3118                 list_del_init(&e->list);
3119
3120                 switch (e->type) {
3121                 case QLA_EVT_AEN:
3122                         fc_host_post_event(vha->host, fc_get_event_number(),
3123                             e->u.aen.code, e->u.aen.data);
3124                         break;
3125                 case QLA_EVT_IDC_ACK:
3126                         qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3127                         break;
3128                 case QLA_EVT_ASYNC_LOGIN:
3129                         qla2x00_async_login(vha, e->u.logio.fcport,
3130                             e->u.logio.data);
3131                         break;
3132                 case QLA_EVT_ASYNC_LOGIN_DONE:
3133                         qla2x00_async_login_done(vha, e->u.logio.fcport,
3134                             e->u.logio.data);
3135                         break;
3136                 case QLA_EVT_ASYNC_LOGOUT:
3137                         qla2x00_async_logout(vha, e->u.logio.fcport);
3138                         break;
3139                 case QLA_EVT_ASYNC_LOGOUT_DONE:
3140                         qla2x00_async_logout_done(vha, e->u.logio.fcport,
3141                             e->u.logio.data);
3142                         break;
3143                 case QLA_EVT_ASYNC_ADISC:
3144                         qla2x00_async_adisc(vha, e->u.logio.fcport,
3145                             e->u.logio.data);
3146                         break;
3147                 case QLA_EVT_ASYNC_ADISC_DONE:
3148                         qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3149                             e->u.logio.data);
3150                         break;
3151                 case QLA_EVT_UEVENT:
3152                         qla2x00_uevent_emit(vha, e->u.uevent.code);
3153                         break;
3154                 }
3155                 if (e->flags & QLA_EVT_FLAG_FREE)
3156                         kfree(e);
3157
3158                 /* For each work completed decrement vha ref count */
3159                 QLA_VHA_MARK_NOT_BUSY(vha);
3160         }
3161 }
3162
3163 /* Relogins all the fcports of a vport
3164  * Context: dpc thread
3165  */
3166 void qla2x00_relogin(struct scsi_qla_host *vha)
3167 {
3168         fc_port_t       *fcport;
3169         int status;
3170         uint16_t        next_loopid = 0;
3171         struct qla_hw_data *ha = vha->hw;
3172         uint16_t data[2];
3173
3174         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3175         /*
3176          * If the port is not ONLINE then try to login
3177          * to it if we haven't run out of retries.
3178          */
3179                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3180                     fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3181                         fcport->login_retry--;
3182                         if (fcport->flags & FCF_FABRIC_DEVICE) {
3183                                 if (fcport->flags & FCF_FCP2_DEVICE)
3184                                         ha->isp_ops->fabric_logout(vha,
3185                                                         fcport->loop_id,
3186                                                         fcport->d_id.b.domain,
3187                                                         fcport->d_id.b.area,
3188                                                         fcport->d_id.b.al_pa);
3189
3190                                 if (IS_ALOGIO_CAPABLE(ha)) {
3191                                         fcport->flags |= FCF_ASYNC_SENT;
3192                                         data[0] = 0;
3193                                         data[1] = QLA_LOGIO_LOGIN_RETRIED;
3194                                         status = qla2x00_post_async_login_work(
3195                                             vha, fcport, data);
3196                                         if (status == QLA_SUCCESS)
3197                                                 continue;
3198                                         /* Attempt a retry. */
3199                                         status = 1;
3200                                 } else
3201                                         status = qla2x00_fabric_login(vha,
3202                                             fcport, &next_loopid);
3203                         } else
3204                                 status = qla2x00_local_device_login(vha,
3205                                                                 fcport);
3206
3207                         if (status == QLA_SUCCESS) {
3208                                 fcport->old_loop_id = fcport->loop_id;
3209
3210                                 DEBUG(printk("scsi(%ld): port login OK: logged "
3211                                 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
3212
3213                                 qla2x00_update_fcport(vha, fcport);
3214
3215                         } else if (status == 1) {
3216                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3217                                 /* retry the login again */
3218                                 DEBUG(printk("scsi(%ld): Retrying"
3219                                 " %d login again loop_id 0x%x\n",
3220                                 vha->host_no, fcport->login_retry,
3221                                                 fcport->loop_id));
3222                         } else {
3223                                 fcport->login_retry = 0;
3224                         }
3225
3226                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3227                                 fcport->loop_id = FC_NO_LOOP_ID;
3228                 }
3229                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3230                         break;
3231         }
3232 }
3233
3234 /**************************************************************************
3235 * qla2x00_do_dpc
3236 *   This kernel thread is a task that is schedule by the interrupt handler
3237 *   to perform the background processing for interrupts.
3238 *
3239 * Notes:
3240 * This task always run in the context of a kernel thread.  It
3241 * is kick-off by the driver's detect code and starts up
3242 * up one per adapter. It immediately goes to sleep and waits for
3243 * some fibre event.  When either the interrupt handler or
3244 * the timer routine detects a event it will one of the task
3245 * bits then wake us up.
3246 **************************************************************************/
3247 static int
3248 qla2x00_do_dpc(void *data)
3249 {
3250         int             rval;
3251         scsi_qla_host_t *base_vha;
3252         struct qla_hw_data *ha;
3253
3254         ha = (struct qla_hw_data *)data;
3255         base_vha = pci_get_drvdata(ha->pdev);
3256
3257         set_user_nice(current, -20);
3258
3259         while (!kthread_should_stop()) {
3260                 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
3261
3262                 set_current_state(TASK_INTERRUPTIBLE);
3263                 schedule();
3264                 __set_current_state(TASK_RUNNING);
3265
3266                 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
3267
3268                 /* Initialization not yet finished. Don't do anything yet. */
3269                 if (!base_vha->flags.init_done)
3270                         continue;
3271
3272                 if (ha->flags.eeh_busy) {
3273                         DEBUG17(qla_printk(KERN_WARNING, ha,
3274                             "qla2x00_do_dpc: dpc_flags: %lx\n",
3275                             base_vha->dpc_flags));
3276                         continue;
3277                 }
3278
3279                 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
3280
3281                 ha->dpc_active = 1;
3282
3283                 if (ha->flags.mbox_busy) {
3284                         ha->dpc_active = 0;
3285                         continue;
3286                 }
3287
3288                 qla2x00_do_work(base_vha);
3289
3290                 if (IS_QLA82XX(ha)) {
3291                         if (test_and_clear_bit(ISP_UNRECOVERABLE,
3292                                 &base_vha->dpc_flags)) {
3293                                 qla82xx_idc_lock(ha);
3294                                 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3295                                         QLA82XX_DEV_FAILED);
3296                                 qla82xx_idc_unlock(ha);
3297                                 qla_printk(KERN_INFO, ha,
3298                                         "HW State: FAILED\n");
3299                                 qla82xx_device_state_handler(base_vha);
3300                                 continue;
3301                         }
3302
3303                         if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3304                                 &base_vha->dpc_flags)) {
3305
3306                                 DEBUG(printk(KERN_INFO
3307                                         "scsi(%ld): dpc: sched "
3308                                         "qla82xx_fcoe_ctx_reset ha = %p\n",
3309                                         base_vha->host_no, ha));
3310                                 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3311                                         &base_vha->dpc_flags))) {
3312                                         if (qla82xx_fcoe_ctx_reset(base_vha)) {
3313                                                 /* FCoE-ctx reset failed.
3314                                                  * Escalate to chip-reset
3315                                                  */
3316                                                 set_bit(ISP_ABORT_NEEDED,
3317                                                         &base_vha->dpc_flags);
3318                                         }
3319                                         clear_bit(ABORT_ISP_ACTIVE,
3320                                                 &base_vha->dpc_flags);
3321                                 }
3322
3323                                 DEBUG(printk("scsi(%ld): dpc:"
3324                                         " qla82xx_fcoe_ctx_reset end\n",
3325                                         base_vha->host_no));
3326                         }
3327                 }
3328
3329                 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3330                                                 &base_vha->dpc_flags)) {
3331
3332                         DEBUG(printk("scsi(%ld): dpc: sched "
3333                             "qla2x00_abort_isp ha = %p\n",
3334                             base_vha->host_no, ha));
3335                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3336                             &base_vha->dpc_flags))) {
3337
3338                                 if (ha->isp_ops->abort_isp(base_vha)) {
3339                                         /* failed. retry later */
3340                                         set_bit(ISP_ABORT_NEEDED,
3341                                             &base_vha->dpc_flags);
3342                                 }
3343                                 clear_bit(ABORT_ISP_ACTIVE,
3344                                                 &base_vha->dpc_flags);
3345                         }
3346
3347                         DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
3348                             base_vha->host_no));
3349                 }
3350
3351                 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3352                         qla2x00_update_fcports(base_vha);
3353                         clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3354                 }
3355
3356                 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3357                                                         &base_vha->dpc_flags) &&
3358                     (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3359
3360                         DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
3361                             base_vha->host_no));
3362
3363                         qla2x00_rst_aen(base_vha);
3364                         clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3365                 }
3366
3367                 /* Retry each device up to login retry count */
3368                 if ((test_and_clear_bit(RELOGIN_NEEDED,
3369                                                 &base_vha->dpc_flags)) &&
3370                     !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3371                     atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3372
3373                         DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
3374                                         base_vha->host_no));
3375                         qla2x00_relogin(base_vha);
3376
3377                         DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
3378                             base_vha->host_no));
3379                 }
3380
3381                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3382                                                         &base_vha->dpc_flags)) {
3383
3384                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
3385                                 base_vha->host_no));
3386
3387                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3388                             &base_vha->dpc_flags))) {
3389
3390                                 rval = qla2x00_loop_resync(base_vha);
3391
3392                                 clear_bit(LOOP_RESYNC_ACTIVE,
3393                                                 &base_vha->dpc_flags);
3394                         }
3395
3396                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
3397                             base_vha->host_no));
3398                 }
3399
3400                 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3401                     atomic_read(&base_vha->loop_state) == LOOP_READY) {
3402                         clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3403                         qla2xxx_flash_npiv_conf(base_vha);
3404                 }
3405
3406                 if (!ha->interrupts_on)
3407                         ha->isp_ops->enable_intrs(ha);
3408
3409                 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3410                                         &base_vha->dpc_flags))
3411                         ha->isp_ops->beacon_blink(base_vha);
3412
3413                 qla2x00_do_dpc_all_vps(base_vha);
3414
3415                 ha->dpc_active = 0;
3416         } /* End of while(1) */
3417
3418         DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
3419
3420         /*
3421          * Make sure that nobody tries to wake us up again.
3422          */
3423         ha->dpc_active = 0;
3424
3425         /* Cleanup any residual CTX SRBs. */
3426         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3427
3428         return 0;
3429 }
3430
3431 void
3432 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3433 {
3434         struct qla_hw_data *ha = vha->hw;
3435         struct task_struct *t = ha->dpc_thread;
3436
3437         if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3438                 wake_up_process(t);
3439 }
3440
3441 /*
3442 *  qla2x00_rst_aen
3443 *      Processes asynchronous reset.
3444 *
3445 * Input:
3446 *      ha  = adapter block pointer.
3447 */
3448 static void
3449 qla2x00_rst_aen(scsi_qla_host_t *vha)
3450 {
3451         if (vha->flags.online && !vha->flags.reset_active &&
3452             !atomic_read(&vha->loop_down_timer) &&
3453             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3454                 do {
3455                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3456
3457                         /*
3458                          * Issue marker command only when we are going to start
3459                          * the I/O.
3460                          */
3461                         vha->marker_needed = 1;
3462                 } while (!atomic_read(&vha->loop_down_timer) &&
3463                     (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3464         }
3465 }
3466
3467 static void
3468 qla2x00_sp_free_dma(srb_t *sp)
3469 {
3470         struct scsi_cmnd *cmd = sp->cmd;
3471         struct qla_hw_data *ha = sp->fcport->vha->hw;
3472
3473         if (sp->flags & SRB_DMA_VALID) {
3474                 scsi_dma_unmap(cmd);
3475                 sp->flags &= ~SRB_DMA_VALID;
3476         }
3477
3478         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3479                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3480                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3481                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3482         }
3483
3484         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3485                 /* List assured to be having elements */
3486                 qla2x00_clean_dsd_pool(ha, sp);
3487                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3488         }
3489
3490         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3491                 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3492                     ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3493                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3494         }
3495
3496         CMD_SP(cmd) = NULL;
3497 }
3498
3499 static void
3500 qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
3501 {
3502         struct scsi_cmnd *cmd = sp->cmd;
3503
3504         qla2x00_sp_free_dma(sp);
3505
3506         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3507                 struct ct6_dsd *ctx = sp->ctx;
3508                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3509                         ctx->fcp_cmnd_dma);
3510                 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3511                 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3512                 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3513                 mempool_free(sp->ctx, ha->ctx_mempool);
3514                 sp->ctx = NULL;
3515         }
3516
3517         mempool_free(sp, ha->srb_mempool);
3518         cmd->scsi_done(cmd);
3519 }
3520
3521 void
3522 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3523 {
3524         if (atomic_read(&sp->ref_count) == 0) {
3525                 DEBUG2(qla_printk(KERN_WARNING, ha,
3526                     "SP reference-count to ZERO -- sp=%p\n", sp));
3527                 DEBUG2(BUG());
3528                 return;
3529         }
3530         if (!atomic_dec_and_test(&sp->ref_count))
3531                 return;
3532         qla2x00_sp_final_compl(ha, sp);
3533 }
3534
3535 /**************************************************************************
3536 *   qla2x00_timer
3537 *
3538 * Description:
3539 *   One second timer
3540 *
3541 * Context: Interrupt
3542 ***************************************************************************/
3543 void
3544 qla2x00_timer(scsi_qla_host_t *vha)
3545 {
3546         unsigned long   cpu_flags = 0;
3547         fc_port_t       *fcport;
3548         int             start_dpc = 0;
3549         int             index;
3550         srb_t           *sp;
3551         int             t;
3552         uint16_t        w;
3553         struct qla_hw_data *ha = vha->hw;
3554         struct req_que *req;
3555
3556         if (IS_QLA82XX(ha))
3557                 qla82xx_watchdog(vha);
3558
3559         /* Hardware read to raise pending EEH errors during mailbox waits. */
3560         if (!pci_channel_offline(ha->pdev))
3561                 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3562         /*
3563          * Ports - Port down timer.
3564          *
3565          * Whenever, a port is in the LOST state we start decrementing its port
3566          * down timer every second until it reaches zero. Once  it reaches zero
3567          * the port it marked DEAD.
3568          */
3569         t = 0;
3570         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3571                 if (fcport->port_type != FCT_TARGET)
3572                         continue;
3573
3574                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3575
3576                         if (atomic_read(&fcport->port_down_timer) == 0)
3577                                 continue;
3578
3579                         if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
3580                                 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
3581
3582                         DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
3583                             "%d remaining\n",
3584                             vha->host_no,
3585                             t, atomic_read(&fcport->port_down_timer)));
3586                 }
3587                 t++;
3588         } /* End of for fcport  */
3589
3590
3591         /* Loop down handler. */
3592         if (atomic_read(&vha->loop_down_timer) > 0 &&
3593             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3594                 && vha->flags.online) {
3595
3596                 if (atomic_read(&vha->loop_down_timer) ==
3597                     vha->loop_down_abort_time) {
3598
3599                         DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3600                             "queues before time expire\n",
3601                             vha->host_no));
3602
3603                         if (!IS_QLA2100(ha) && vha->link_down_timeout)
3604                                 atomic_set(&vha->loop_state, LOOP_DEAD);
3605
3606                         /*
3607                          * Schedule an ISP abort to return any FCP2-device
3608                          * commands.
3609                          */
3610                         /* NPIV - scan physical port only */
3611                         if (!vha->vp_idx) {
3612                                 spin_lock_irqsave(&ha->hardware_lock,
3613                                     cpu_flags);
3614                                 req = ha->req_q_map[0];
3615                                 for (index = 1;
3616                                     index < MAX_OUTSTANDING_COMMANDS;
3617                                     index++) {
3618                                         fc_port_t *sfcp;
3619
3620                                         sp = req->outstanding_cmds[index];
3621                                         if (!sp)
3622                                                 continue;
3623                                         if (sp->ctx && !IS_PROT_IO(sp))
3624                                                 continue;
3625                                         sfcp = sp->fcport;
3626                                         if (!(sfcp->flags & FCF_FCP2_DEVICE))
3627                                                 continue;
3628
3629                                         set_bit(ISP_ABORT_NEEDED,
3630                                                         &vha->dpc_flags);
3631                                         break;
3632                                 }
3633                                 spin_unlock_irqrestore(&ha->hardware_lock,
3634                                                                 cpu_flags);
3635                         }
3636                         start_dpc++;
3637                 }
3638
3639                 /* if the loop has been down for 4 minutes, reinit adapter */
3640                 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3641                         if (!(vha->device_flags & DFLG_NO_CABLE)) {
3642                                 DEBUG(printk("scsi(%ld): Loop down - "
3643                                     "aborting ISP.\n",
3644                                     vha->host_no));
3645                                 qla_printk(KERN_WARNING, ha,
3646                                     "Loop down - aborting ISP.\n");
3647
3648                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3649                         }
3650                 }
3651                 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
3652                     vha->host_no,
3653                     atomic_read(&vha->loop_down_timer)));
3654         }
3655
3656         /* Check if beacon LED needs to be blinked */
3657         if (ha->beacon_blink_led == 1) {
3658                 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3659                 start_dpc++;
3660         }
3661
3662         /* Process any deferred work. */
3663         if (!list_empty(&vha->work_list))
3664                 start_dpc++;
3665
3666         /* Schedule the DPC routine if needed */
3667         if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3668             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3669             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3670             start_dpc ||
3671             test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3672             test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3673             test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3674             test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3675             test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3676             test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3677                 qla2xxx_wake_dpc(vha);
3678
3679         qla2x00_restart_timer(vha, WATCH_INTERVAL);
3680 }
3681
3682 /* Firmware interface routines. */
3683
3684 #define FW_BLOBS        8
3685 #define FW_ISP21XX      0
3686 #define FW_ISP22XX      1
3687 #define FW_ISP2300      2
3688 #define FW_ISP2322      3
3689 #define FW_ISP24XX      4
3690 #define FW_ISP25XX      5
3691 #define FW_ISP81XX      6
3692 #define FW_ISP82XX      7
3693
3694 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3695 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3696 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3697 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3698 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3699 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3700 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3701 #define FW_FILE_ISP82XX "ql8200_fw.bin"
3702
3703 static DEFINE_MUTEX(qla_fw_lock);
3704
3705 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3706         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3707         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3708         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3709         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3710         { .name = FW_FILE_ISP24XX, },
3711         { .name = FW_FILE_ISP25XX, },
3712         { .name = FW_FILE_ISP81XX, },
3713         { .name = FW_FILE_ISP82XX, },
3714 };
3715
3716 struct fw_blob *
3717 qla2x00_request_firmware(scsi_qla_host_t *vha)
3718 {
3719         struct qla_hw_data *ha = vha->hw;
3720         struct fw_blob *blob;
3721
3722         blob = NULL;
3723         if (IS_QLA2100(ha)) {
3724                 blob = &qla_fw_blobs[FW_ISP21XX];
3725         } else if (IS_QLA2200(ha)) {
3726                 blob = &qla_fw_blobs[FW_ISP22XX];
3727         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3728                 blob = &qla_fw_blobs[FW_ISP2300];
3729         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3730                 blob = &qla_fw_blobs[FW_ISP2322];
3731         } else if (IS_QLA24XX_TYPE(ha)) {
3732                 blob = &qla_fw_blobs[FW_ISP24XX];
3733         } else if (IS_QLA25XX(ha)) {
3734                 blob = &qla_fw_blobs[FW_ISP25XX];
3735         } else if (IS_QLA81XX(ha)) {
3736                 blob = &qla_fw_blobs[FW_ISP81XX];
3737         } else if (IS_QLA82XX(ha)) {
3738                 blob = &qla_fw_blobs[FW_ISP82XX];
3739         }
3740
3741         mutex_lock(&qla_fw_lock);
3742         if (blob->fw)
3743                 goto out;
3744
3745         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3746                 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3747                     "(%s).\n", vha->host_no, blob->name));
3748                 blob->fw = NULL;
3749                 blob = NULL;
3750                 goto out;
3751         }
3752
3753 out:
3754         mutex_unlock(&qla_fw_lock);
3755         return blob;
3756 }
3757
3758 static void
3759 qla2x00_release_firmware(void)
3760 {
3761         int idx;
3762
3763         mutex_lock(&qla_fw_lock);
3764         for (idx = 0; idx < FW_BLOBS; idx++)
3765                 if (qla_fw_blobs[idx].fw)
3766                         release_firmware(qla_fw_blobs[idx].fw);
3767         mutex_unlock(&qla_fw_lock);
3768 }
3769
3770 static pci_ers_result_t
3771 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3772 {
3773         scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3774         struct qla_hw_data *ha = vha->hw;
3775
3776         DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3777             state));
3778
3779         switch (state) {
3780         case pci_channel_io_normal:
3781                 ha->flags.eeh_busy = 0;
3782                 return PCI_ERS_RESULT_CAN_RECOVER;
3783         case pci_channel_io_frozen:
3784                 ha->flags.eeh_busy = 1;
3785                 qla2x00_free_irqs(vha);
3786                 pci_disable_device(pdev);
3787                 return PCI_ERS_RESULT_NEED_RESET;
3788         case pci_channel_io_perm_failure:
3789                 ha->flags.pci_channel_io_perm_failure = 1;
3790                 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3791                 return PCI_ERS_RESULT_DISCONNECT;
3792         }
3793         return PCI_ERS_RESULT_NEED_RESET;
3794 }
3795
3796 static pci_ers_result_t
3797 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3798 {
3799         int risc_paused = 0;
3800         uint32_t stat;
3801         unsigned long flags;
3802         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3803         struct qla_hw_data *ha = base_vha->hw;
3804         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3805         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3806
3807         spin_lock_irqsave(&ha->hardware_lock, flags);
3808         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3809                 stat = RD_REG_DWORD(&reg->hccr);
3810                 if (stat & HCCR_RISC_PAUSE)
3811                         risc_paused = 1;
3812         } else if (IS_QLA23XX(ha)) {
3813                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3814                 if (stat & HSR_RISC_PAUSED)
3815                         risc_paused = 1;
3816         } else if (IS_FWI2_CAPABLE(ha)) {
3817                 stat = RD_REG_DWORD(&reg24->host_status);
3818                 if (stat & HSRX_RISC_PAUSED)
3819                         risc_paused = 1;
3820         }
3821         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3822
3823         if (risc_paused) {
3824                 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3825                     "Dumping firmware!\n");
3826                 ha->isp_ops->fw_dump(base_vha, 0);
3827
3828                 return PCI_ERS_RESULT_NEED_RESET;
3829         } else
3830                 return PCI_ERS_RESULT_RECOVERED;
3831 }
3832
3833 static pci_ers_result_t
3834 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3835 {
3836         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3837         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3838         struct qla_hw_data *ha = base_vha->hw;
3839         struct rsp_que *rsp;
3840         int rc, retries = 10;
3841
3842         DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3843
3844         /* Workaround: qla2xxx driver which access hardware earlier
3845          * needs error state to be pci_channel_io_online.
3846          * Otherwise mailbox command timesout.
3847          */
3848         pdev->error_state = pci_channel_io_normal;
3849
3850         pci_restore_state(pdev);
3851
3852         /* pci_restore_state() clears the saved_state flag of the device
3853          * save restored state which resets saved_state flag
3854          */
3855         pci_save_state(pdev);
3856
3857         if (ha->mem_only)
3858                 rc = pci_enable_device_mem(pdev);
3859         else
3860                 rc = pci_enable_device(pdev);
3861
3862         if (rc) {
3863                 qla_printk(KERN_WARNING, ha,
3864                     "Can't re-enable PCI device after reset.\n");
3865                 return ret;
3866         }
3867
3868         rsp = ha->rsp_q_map[0];
3869         if (qla2x00_request_irqs(ha, rsp))
3870                 return ret;
3871
3872         if (ha->isp_ops->pci_config(base_vha))
3873                 return ret;
3874
3875         while (ha->flags.mbox_busy && retries--)
3876                 msleep(1000);
3877
3878         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3879         if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
3880                 ret =  PCI_ERS_RESULT_RECOVERED;
3881         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3882
3883
3884         DEBUG17(qla_printk(KERN_WARNING, ha,
3885             "slot_reset-return:ret=%x\n", ret));
3886
3887         return ret;
3888 }
3889
3890 static void
3891 qla2xxx_pci_resume(struct pci_dev *pdev)
3892 {
3893         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3894         struct qla_hw_data *ha = base_vha->hw;
3895         int ret;
3896
3897         DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
3898
3899         ret = qla2x00_wait_for_hba_online(base_vha);
3900         if (ret != QLA_SUCCESS) {
3901                 qla_printk(KERN_ERR, ha,
3902                     "the device failed to resume I/O "
3903                     "from slot/link_reset");
3904         }
3905
3906         pci_cleanup_aer_uncorrect_error_status(pdev);
3907
3908         ha->flags.eeh_busy = 0;
3909 }
3910
3911 static struct pci_error_handlers qla2xxx_err_handler = {
3912         .error_detected = qla2xxx_pci_error_detected,
3913         .mmio_enabled = qla2xxx_pci_mmio_enabled,
3914         .slot_reset = qla2xxx_pci_slot_reset,
3915         .resume = qla2xxx_pci_resume,
3916 };
3917
3918 static struct pci_device_id qla2xxx_pci_tbl[] = {
3919         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3920         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3921         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3922         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3923         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3924         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3925         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3926         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3927         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3928         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3929         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3930         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3931         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3932         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3933         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
3934         { 0 },
3935 };
3936 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3937
3938 static struct pci_driver qla2xxx_pci_driver = {
3939         .name           = QLA2XXX_DRIVER_NAME,
3940         .driver         = {
3941                 .owner          = THIS_MODULE,
3942         },
3943         .id_table       = qla2xxx_pci_tbl,
3944         .probe          = qla2x00_probe_one,
3945         .remove         = qla2x00_remove_one,
3946         .err_handler    = &qla2xxx_err_handler,
3947 };
3948
3949 static struct file_operations apidev_fops = {
3950         .owner = THIS_MODULE,
3951         .llseek = noop_llseek,
3952 };
3953
3954 /**
3955  * qla2x00_module_init - Module initialization.
3956  **/
3957 static int __init
3958 qla2x00_module_init(void)
3959 {
3960         int ret = 0;
3961
3962         /* Allocate cache for SRBs. */
3963         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3964             SLAB_HWCACHE_ALIGN, NULL);
3965         if (srb_cachep == NULL) {
3966                 printk(KERN_ERR
3967                     "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3968                 return -ENOMEM;
3969         }
3970
3971         /* Derive version string. */
3972         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3973         if (ql2xextended_error_logging)
3974                 strcat(qla2x00_version_str, "-debug");
3975
3976         qla2xxx_transport_template =
3977             fc_attach_transport(&qla2xxx_transport_functions);
3978         if (!qla2xxx_transport_template) {
3979                 kmem_cache_destroy(srb_cachep);
3980                 return -ENODEV;
3981         }
3982
3983         apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
3984         if (apidev_major < 0) {
3985                 printk(KERN_WARNING "qla2xxx: Unable to register char device "
3986                     "%s\n", QLA2XXX_APIDEV);
3987         }
3988
3989         qla2xxx_transport_vport_template =
3990             fc_attach_transport(&qla2xxx_transport_vport_functions);
3991         if (!qla2xxx_transport_vport_template) {
3992                 kmem_cache_destroy(srb_cachep);
3993                 fc_release_transport(qla2xxx_transport_template);
3994                 return -ENODEV;
3995         }
3996
3997         printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3998             qla2x00_version_str);
3999         ret = pci_register_driver(&qla2xxx_pci_driver);
4000         if (ret) {
4001                 kmem_cache_destroy(srb_cachep);
4002                 fc_release_transport(qla2xxx_transport_template);
4003                 fc_release_transport(qla2xxx_transport_vport_template);
4004         }
4005         return ret;
4006 }
4007
4008 /**
4009  * qla2x00_module_exit - Module cleanup.
4010  **/
4011 static void __exit
4012 qla2x00_module_exit(void)
4013 {
4014         unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
4015         pci_unregister_driver(&qla2xxx_pci_driver);
4016         qla2x00_release_firmware();
4017         kmem_cache_destroy(srb_cachep);
4018         if (ctx_cachep)
4019                 kmem_cache_destroy(ctx_cachep);
4020         fc_release_transport(qla2xxx_transport_template);
4021         fc_release_transport(qla2xxx_transport_vport_template);
4022 }
4023
4024 module_init(qla2x00_module_init);
4025 module_exit(qla2x00_module_exit);
4026
4027 MODULE_AUTHOR("QLogic Corporation");
4028 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4029 MODULE_LICENSE("GPL");
4030 MODULE_VERSION(QLA2XXX_VERSION);
4031 MODULE_FIRMWARE(FW_FILE_ISP21XX);
4032 MODULE_FIRMWARE(FW_FILE_ISP22XX);
4033 MODULE_FIRMWARE(FW_FILE_ISP2300);
4034 MODULE_FIRMWARE(FW_FILE_ISP2322);
4035 MODULE_FIRMWARE(FW_FILE_ISP24XX);
4036 MODULE_FIRMWARE(FW_FILE_ISP25XX);