drivers/scsi/qla2xxx/qla_os.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2008 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8
   9 #include <linux/moduleparam.h>
  10 #include <linux/vmalloc.h>
  11 #include <linux/delay.h>
  12 #include <linux/kthread.h>
  13 #include <linux/mutex.h>
  14 #include <linux/kobject.h>
  15 #include <linux/slab.h>
  16
  17 #include <scsi/scsi_tcq.h>
  18 #include <scsi/scsicam.h>
  19 #include <scsi/scsi_transport.h>
  20 #include <scsi/scsi_transport_fc.h>
  21
  22 /*
  23  * Driver version
  24  */
  25 char qla2x00_version_str[40];
  26
  27 static int apidev_major;
  28
  29 /*
  30  * SRB allocation cache
  31  */
  32 static struct kmem_cache *srb_cachep;
  33
  34 /*
  35  * CT6 CTX allocation cache
  36  */
  37 static struct kmem_cache *ctx_cachep;
  38
  39 int ql2xlogintimeout = 20;
  40 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
  41 MODULE_PARM_DESC(ql2xlogintimeout,
  42                 "Login timeout value in seconds.");
  43
  44 int qlport_down_retry;
  45 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
  46 MODULE_PARM_DESC(qlport_down_retry,
  47                 "Maximum number of command retries to a port that returns "
  48                 "a PORT-DOWN status.");
  49
  50 int ql2xplogiabsentdevice;
  51 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
  52 MODULE_PARM_DESC(ql2xplogiabsentdevice,
  53                 "Option to enable PLOGI to devices that are not present after "
  54                 "a Fabric scan.  This is needed for several broken switches. "
  55                 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
  56
  57 int ql2xloginretrycount = 0;
  58 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
  59 MODULE_PARM_DESC(ql2xloginretrycount,
  60                 "Specify an alternate value for the NVRAM login retry count.");
  61
  62 int ql2xallocfwdump = 1;
  63 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
  64 MODULE_PARM_DESC(ql2xallocfwdump,
  65                 "Option to enable allocation of memory for a firmware dump "
  66                 "during HBA initialization.  Memory allocation requirements "
  67                 "vary by ISP type.  Default is 1 - allocate memory.");
  68
  69 int ql2xextended_error_logging;
  70 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  71 MODULE_PARM_DESC(ql2xextended_error_logging,
  72                 "Option to enable extended error logging, "
  73                 "Default is 0 - no logging. 1 - log errors.");
  74
  75 int ql2xshiftctondsd = 6;
  76 module_param(ql2xshiftctondsd, int, S_IRUGO|S_IRUSR);
  77 MODULE_PARM_DESC(ql2xshiftctondsd,
  78                 "Set to control shifting of command type processing "
  79                 "based on total number of SG elements.");
  80
  81 static void qla2x00_free_device(scsi_qla_host_t *);
  82
  83 int ql2xfdmienable=1;
  84 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
  85 MODULE_PARM_DESC(ql2xfdmienable,
  86                 "Enables FDMI registrations. "
  87                 "0 - no FDMI. Default is 1 - perform FDMI.");
  88
  89 #define MAX_Q_DEPTH    32
  90 static int ql2xmaxqdepth = MAX_Q_DEPTH;
  91 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
  92 MODULE_PARM_DESC(ql2xmaxqdepth,
  93                 "Maximum queue depth to report for target devices.");
  94
  95 /* Do not change the value of this after module load */
  96 int ql2xenabledif = 1;
  97 module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR);
  98 MODULE_PARM_DESC(ql2xenabledif,
  99                 " Enable T10-CRC-DIF "
 100                 " Default is 0 - No DIF Support. 1 - Enable it");
 101
 102 int ql2xenablehba_err_chk;
 103 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
 104 MODULE_PARM_DESC(ql2xenablehba_err_chk,
 105                 " Enable T10-CRC-DIF Error isolation by HBA"
 106                 " Default is 0 - Error isolation disabled, 1 - Enable it");
 107
 108 int ql2xiidmaenable=1;
 109 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
 110 MODULE_PARM_DESC(ql2xiidmaenable,
 111                 "Enables iIDMA settings "
 112                 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
 113
 114 int ql2xmaxqueues = 1;
 115 module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
 116 MODULE_PARM_DESC(ql2xmaxqueues,
 117                 "Enables MQ settings "
 118                 "Default is 1 for single queue. Set it to number \
 119                         of queues in MQ mode.");
 120
 121 int ql2xmultique_tag;
 122 module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR);
 123 MODULE_PARM_DESC(ql2xmultique_tag,
 124                 "Enables CPU affinity settings for the driver "
 125                 "Default is 0 for no affinity of request and response IO. "
 126                 "Set it to 1 to turn on the cpu affinity.");
 127
 128 int ql2xfwloadbin;
 129 module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
 130 MODULE_PARM_DESC(ql2xfwloadbin,
 131                 "Option to specify location from which to load ISP firmware:\n"
 132                 " 2 -- load firmware via the request_firmware() (hotplug)\n"
 133                 "      interface.\n"
 134                 " 1 -- load firmware from flash.\n"
 135                 " 0 -- use default semantics.\n");
 136
 137 int ql2xetsenable;
 138 module_param(ql2xetsenable, int, S_IRUGO|S_IRUSR);
 139 MODULE_PARM_DESC(ql2xetsenable,
 140                 "Enables firmware ETS burst."
 141                 "Default is 0 - skip ETS enablement.");
 142
 143 int ql2xdbwr;
 144 module_param(ql2xdbwr, int, S_IRUGO|S_IRUSR);
 145 MODULE_PARM_DESC(ql2xdbwr,
 146         "Option to specify scheme for request queue posting\n"
 147         " 0 -- Regular doorbell.\n"
 148         " 1 -- CAMRAM doorbell (faster).\n");
 149
 150 int ql2xdontresethba;
 151 module_param(ql2xdontresethba, int, S_IRUGO|S_IRUSR);
 152 MODULE_PARM_DESC(ql2xdontresethba,
 153         "Option to specify reset behaviour\n"
 154         " 0 (Default) -- Reset on failure.\n"
 155         " 1 -- Do not reset on failure.\n");
 156
 157 int ql2xtargetreset = 1;
 158 module_param(ql2xtargetreset, int, S_IRUGO|S_IRUSR);
 159 MODULE_PARM_DESC(ql2xtargetreset,
 160                  "Enable target reset."
 161                  "Default is 1 - use hw defaults.");
 162
 163
 164 int ql2xasynctmfenable;
 165 module_param(ql2xasynctmfenable, int, S_IRUGO|S_IRUSR);
 166 MODULE_PARM_DESC(ql2xasynctmfenable,
 167                 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
 168                 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
 169 /*
 170  * SCSI host template entry points
 171  */
 172 static int qla2xxx_slave_configure(struct scsi_device * device);
 173 static int qla2xxx_slave_alloc(struct scsi_device *);
 174 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
 175 static void qla2xxx_scan_start(struct Scsi_Host *);
 176 static void qla2xxx_slave_destroy(struct scsi_device *);
 177 static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
 178                 void (*fn)(struct scsi_cmnd *));
 179 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 180 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 181 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
 182 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 183 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 184
 185 static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
 186 static int qla2x00_change_queue_type(struct scsi_device *, int);
 187
 188 struct scsi_host_template qla2xxx_driver_template = {
 189         .module                 = THIS_MODULE,
 190         .name                   = QLA2XXX_DRIVER_NAME,
 191         .queuecommand           = qla2xxx_queuecommand,
 192
 193         .eh_abort_handler       = qla2xxx_eh_abort,
 194         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 195         .eh_target_reset_handler = qla2xxx_eh_target_reset,
 196         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 197         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 198
 199         .slave_configure        = qla2xxx_slave_configure,
 200
 201         .slave_alloc            = qla2xxx_slave_alloc,
 202         .slave_destroy          = qla2xxx_slave_destroy,
 203         .scan_finished          = qla2xxx_scan_finished,
 204         .scan_start             = qla2xxx_scan_start,
 205         .change_queue_depth     = qla2x00_change_queue_depth,
 206         .change_queue_type      = qla2x00_change_queue_type,
 207         .this_id                = -1,
 208         .cmd_per_lun            = 3,
 209         .use_clustering         = ENABLE_CLUSTERING,
 210         .sg_tablesize           = SG_ALL,
 211
 212         .max_sectors            = 0xFFFF,
 213         .shost_attrs            = qla2x00_host_attrs,
 214 };
 215
 216 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 217 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 218
 219 /* TODO Convert to inlines
 220  *
 221  * Timer routines
 222  */
 223
 224 __inline__ void
 225 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
 226 {
 227         init_timer(&vha->timer);
 228         vha->timer.expires = jiffies + interval * HZ;
 229         vha->timer.data = (unsigned long)vha;
 230         vha->timer.function = (void (*)(unsigned long))func;
 231         add_timer(&vha->timer);
 232         vha->timer_active = 1;
 233 }
 234
 235 static inline void
 236 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
 237 {
 238         /* Currently used for 82XX only. */
 239         if (vha->device_flags & DFLG_DEV_FAILED)
 240                 return;
 241
 242         mod_timer(&vha->timer, jiffies + interval * HZ);
 243 }
 244
 245 static __inline__ void
 246 qla2x00_stop_timer(scsi_qla_host_t *vha)
 247 {
 248         del_timer_sync(&vha->timer);
 249         vha->timer_active = 0;
 250 }
 251
 252 static int qla2x00_do_dpc(void *data);
 253
 254 static void qla2x00_rst_aen(scsi_qla_host_t *);
 255
 256 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
 257         struct req_que **, struct rsp_que **);
 258 static void qla2x00_mem_free(struct qla_hw_data *);
 259 static void qla2x00_sp_free_dma(srb_t *);
 260
 261 /* -------------------------------------------------------------------------- */
 262 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
 263 {
 264         ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
 265                                 GFP_KERNEL);
 266         if (!ha->req_q_map) {
 267                 qla_printk(KERN_WARNING, ha,
 268                         "Unable to allocate memory for request queue ptrs\n");
 269                 goto fail_req_map;
 270         }
 271
 272         ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
 273                                 GFP_KERNEL);
 274         if (!ha->rsp_q_map) {
 275                 qla_printk(KERN_WARNING, ha,
 276                         "Unable to allocate memory for response queue ptrs\n");
 277                 goto fail_rsp_map;
 278         }
 279         set_bit(0, ha->rsp_qid_map);
 280         set_bit(0, ha->req_qid_map);
 281         return 1;
 282
 283 fail_rsp_map:
 284         kfree(ha->req_q_map);
 285         ha->req_q_map = NULL;
 286 fail_req_map:
 287         return -ENOMEM;
 288 }
 289
 290 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 291 {
 292         if (req && req->ring)
 293                 dma_free_coherent(&ha->pdev->dev,
 294                 (req->length + 1) * sizeof(request_t),
 295                 req->ring, req->dma);
 296
 297         kfree(req);
 298         req = NULL;
 299 }
 300
 301 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
 302 {
 303         if (rsp && rsp->ring)
 304                 dma_free_coherent(&ha->pdev->dev,
 305                 (rsp->length + 1) * sizeof(response_t),
 306                 rsp->ring, rsp->dma);
 307
 308         kfree(rsp);
 309         rsp = NULL;
 310 }
 311
 312 static void qla2x00_free_queues(struct qla_hw_data *ha)
 313 {
 314         struct req_que *req;
 315         struct rsp_que *rsp;
 316         int cnt;
 317
 318         for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
 319                 req = ha->req_q_map[cnt];
 320                 qla2x00_free_req_que(ha, req);
 321         }
 322         kfree(ha->req_q_map);
 323         ha->req_q_map = NULL;
 324
 325         for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
 326                 rsp = ha->rsp_q_map[cnt];
 327                 qla2x00_free_rsp_que(ha, rsp);
 328         }
 329         kfree(ha->rsp_q_map);
 330         ha->rsp_q_map = NULL;
 331 }
 332
 333 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
 334 {
 335         uint16_t options = 0;
 336         int ques, req, ret;
 337         struct qla_hw_data *ha = vha->hw;
 338
 339         if (!(ha->fw_attributes & BIT_6)) {
 340                 qla_printk(KERN_INFO, ha,
 341                         "Firmware is not multi-queue capable\n");
 342                 goto fail;
 343         }
 344         if (ql2xmultique_tag) {
 345                 /* create a request queue for IO */
 346                 options |= BIT_7;
 347                 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
 348                         QLA_DEFAULT_QUE_QOS);
 349                 if (!req) {
 350                         qla_printk(KERN_WARNING, ha,
 351                                 "Can't create request queue\n");
 352                         goto fail;
 353                 }
 354                 ha->wq = create_workqueue("qla2xxx_wq");
 355                 vha->req = ha->req_q_map[req];
 356                 options |= BIT_1;
 357                 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
 358                         ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
 359                         if (!ret) {
 360                                 qla_printk(KERN_WARNING, ha,
 361                                         "Response Queue create failed\n");
 362                                 goto fail2;
 363                         }
 364                 }
 365                 ha->flags.cpu_affinity_enabled = 1;
 366
 367                 DEBUG2(qla_printk(KERN_INFO, ha,
 368                         "CPU affinity mode enabled, no. of response"
 369                         " queues:%d, no. of request queues:%d\n",
 370                         ha->max_rsp_queues, ha->max_req_queues));
 371         }
 372         return 0;
 373 fail2:
 374         qla25xx_delete_queues(vha);
 375         destroy_workqueue(ha->wq);
 376         ha->wq = NULL;
 377 fail:
 378         ha->mqenable = 0;
 379         kfree(ha->req_q_map);
 380         kfree(ha->rsp_q_map);
 381         ha->max_req_queues = ha->max_rsp_queues = 1;
 382         return 1;
 383 }
 384
 385 static char *
 386 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
 387 {
 388         struct qla_hw_data *ha = vha->hw;
 389         static char *pci_bus_modes[] = {
 390                 "33", "66", "100", "133",
 391         };
 392         uint16_t pci_bus;
 393
 394         strcpy(str, "PCI");
 395         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 396         if (pci_bus) {
 397                 strcat(str, "-X (");
 398                 strcat(str, pci_bus_modes[pci_bus]);
 399         } else {
 400                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 401                 strcat(str, " (");
 402                 strcat(str, pci_bus_modes[pci_bus]);
 403         }
 404         strcat(str, " MHz)");
 405
 406         return (str);
 407 }
 408
 409 static char *
 410 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
 411 {
 412         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 413         struct qla_hw_data *ha = vha->hw;
 414         uint32_t pci_bus;
 415         int pcie_reg;
 416
 417         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 418         if (pcie_reg) {
 419                 char lwstr[6];
 420                 uint16_t pcie_lstat, lspeed, lwidth;
 421
 422                 pcie_reg += 0x12;
 423                 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 424                 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 425                 lwidth = (pcie_lstat &
 426                     (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 427
 428                 strcpy(str, "PCIe (");
 429                 if (lspeed == 1)
 430                         strcat(str, "2.5GT/s ");
 431                 else if (lspeed == 2)
 432                         strcat(str, "5.0GT/s ");
 433                 else
 434                         strcat(str, "<unknown> ");
 435                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 436                 strcat(str, lwstr);
 437
 438                 return str;
 439         }
 440
 441         strcpy(str, "PCI");
 442         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 443         if (pci_bus == 0 || pci_bus == 8) {
 444                 strcat(str, " (");
 445                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 446         } else {
 447                 strcat(str, "-X ");
 448                 if (pci_bus & BIT_2)
 449                         strcat(str, "Mode 2");
 450                 else
 451                         strcat(str, "Mode 1");
 452                 strcat(str, " (");
 453                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 454         }
 455         strcat(str, " MHz)");
 456
 457         return str;
 458 }
 459
 460 static char *
 461 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
 462 {
 463         char un_str[10];
 464         struct qla_hw_data *ha = vha->hw;
 465
 466         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 467             ha->fw_minor_version,
 468             ha->fw_subminor_version);
 469
 470         if (ha->fw_attributes & BIT_9) {
 471                 strcat(str, "FLX");
 472                 return (str);
 473         }
 474
 475         switch (ha->fw_attributes & 0xFF) {
 476         case 0x7:
 477                 strcat(str, "EF");
 478                 break;
 479         case 0x17:
 480                 strcat(str, "TP");
 481                 break;
 482         case 0x37:
 483                 strcat(str, "IP");
 484                 break;
 485         case 0x77:
 486                 strcat(str, "VI");
 487                 break;
 488         default:
 489                 sprintf(un_str, "(%x)", ha->fw_attributes);
 490                 strcat(str, un_str);
 491                 break;
 492         }
 493         if (ha->fw_attributes & 0x100)
 494                 strcat(str, "X");
 495
 496         return (str);
 497 }
 498
 499 static char *
 500 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
 501 {
 502         struct qla_hw_data *ha = vha->hw;
 503
 504         sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
 505             ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
 506         return str;
 507 }
 508
 509 static inline srb_t *
 510 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
 511     struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 512 {
 513         srb_t *sp;
 514         struct qla_hw_data *ha = vha->hw;
 515
 516         sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
 517         if (!sp)
 518                 return sp;
 519
 520         sp->fcport = fcport;
 521         sp->cmd = cmd;
 522         sp->flags = 0;
 523         CMD_SP(cmd) = (void *)sp;
 524         cmd->scsi_done = done;
 525         sp->ctx = NULL;
 526
 527         return sp;
 528 }
 529
 530 static int
 531 qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 532 {
 533         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 534         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 535         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 536         struct qla_hw_data *ha = vha->hw;
 537         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 538         srb_t *sp;
 539         int rval;
 540
 541         if (ha->flags.eeh_busy) {
 542                 if (ha->flags.pci_channel_io_perm_failure)
 543                         cmd->result = DID_NO_CONNECT << 16;
 544                 else
 545                         cmd->result = DID_REQUEUE << 16;
 546                 goto qc24_fail_command;
 547         }
 548
 549         rval = fc_remote_port_chkready(rport);
 550         if (rval) {
 551                 cmd->result = rval;
 552                 goto qc24_fail_command;
 553         }
 554
 555         /* Close window on fcport/rport state-transitioning. */
 556         if (fcport->drport)
 557                 goto qc24_target_busy;
 558
 559         if (!vha->flags.difdix_supported &&
 560                 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
 561                         DEBUG2(qla_printk(KERN_ERR, ha,
 562                             "DIF Cap Not Reg, fail DIF capable cmd's:%x\n",
 563                             cmd->cmnd[0]));
 564                         cmd->result = DID_NO_CONNECT << 16;
 565                         goto qc24_fail_command;
 566         }
 567         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 568                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 569                     atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 570                         cmd->result = DID_NO_CONNECT << 16;
 571                         goto qc24_fail_command;
 572                 }
 573                 goto qc24_target_busy;
 574         }
 575
 576         spin_unlock_irq(vha->host->host_lock);
 577
 578         sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
 579         if (!sp)
 580                 goto qc24_host_busy_lock;
 581
 582         rval = ha->isp_ops->start_scsi(sp);
 583         if (rval != QLA_SUCCESS)
 584                 goto qc24_host_busy_free_sp;
 585
 586         spin_lock_irq(vha->host->host_lock);
 587
 588         return 0;
 589
 590 qc24_host_busy_free_sp:
 591         qla2x00_sp_free_dma(sp);
 592         mempool_free(sp, ha->srb_mempool);
 593
 594 qc24_host_busy_lock:
 595         spin_lock_irq(vha->host->host_lock);
 596         return SCSI_MLQUEUE_HOST_BUSY;
 597
 598 qc24_target_busy:
 599         return SCSI_MLQUEUE_TARGET_BUSY;
 600
 601 qc24_fail_command:
 602         done(cmd);
 603
 604         return 0;
 605 }
 606
 607
 608 /*
 609  * qla2x00_eh_wait_on_command
 610  *    Waits for the command to be returned by the Firmware for some
 611  *    max time.
 612  *
 613  * Input:
 614  *    cmd = Scsi Command to wait on.
 615  *
 616  * Return:
 617  *    Not Found : 0
 618  *    Found : 1
 619  */
 620 static int
 621 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
 622 {
 623 #define ABORT_POLLING_PERIOD    1000
 624 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 625         unsigned long wait_iter = ABORT_WAIT_ITER;
 626         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 627         struct qla_hw_data *ha = vha->hw;
 628         int ret = QLA_SUCCESS;
 629
 630         if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
 631                 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
 632                 return ret;
 633         }
 634
 635         while (CMD_SP(cmd) && wait_iter--) {
 636                 msleep(ABORT_POLLING_PERIOD);
 637         }
 638         if (CMD_SP(cmd))
 639                 ret = QLA_FUNCTION_FAILED;
 640
 641         return ret;
 642 }
 643
 644 /*
 645  * qla2x00_wait_for_hba_online
 646  *    Wait till the HBA is online after going through
 647  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 648  *    finally HBA is disabled ie marked offline
 649  *
 650  * Input:
 651  *     ha - pointer to host adapter structure
 652  *
 653  * Note:
 654  *    Does context switching-Release SPIN_LOCK
 655  *    (if any) before calling this routine.
 656  *
 657  * Return:
 658  *    Success (Adapter is online) : 0
 659  *    Failed  (Adapter is offline/disabled) : 1
 660  */
 661 int
 662 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
 663 {
 664         int             return_status;
 665         unsigned long   wait_online;
 666         struct qla_hw_data *ha = vha->hw;
 667         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 668
 669         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 670         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 671             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 672             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 673             ha->dpc_active) && time_before(jiffies, wait_online)) {
 674
 675                 msleep(1000);
 676         }
 677         if (base_vha->flags.online)
 678                 return_status = QLA_SUCCESS;
 679         else
 680                 return_status = QLA_FUNCTION_FAILED;
 681
 682         return (return_status);
 683 }
 684
 685 /*
 686  * qla2x00_wait_for_reset_ready
 687  *    Wait till the HBA is online after going through
 688  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 689  *    finally HBA is disabled ie marked offline or flash
 690  *    operations are in progress.
 691  *
 692  * Input:
 693  *     ha - pointer to host adapter structure
 694  *
 695  * Note:
 696  *    Does context switching-Release SPIN_LOCK
 697  *    (if any) before calling this routine.
 698  *
 699  * Return:
 700  *    Success (Adapter is online/no flash ops) : 0
 701  *    Failed  (Adapter is offline/disabled/flash ops in progress) : 1
 702  */
 703 int
 704 qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
 705 {
 706         int             return_status;
 707         unsigned long   wait_online;
 708         struct qla_hw_data *ha = vha->hw;
 709         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 710
 711         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 712         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 713             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 714             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 715             ha->optrom_state != QLA_SWAITING ||
 716             ha->dpc_active) && time_before(jiffies, wait_online))
 717                 msleep(1000);
 718
 719         if (base_vha->flags.online &&  ha->optrom_state == QLA_SWAITING)
 720                 return_status = QLA_SUCCESS;
 721         else
 722                 return_status = QLA_FUNCTION_FAILED;
 723
 724         DEBUG2(printk("%s return_status=%d\n", __func__, return_status));
 725
 726         return return_status;
 727 }
 728
 729 int
 730 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
 731 {
 732         int             return_status;
 733         unsigned long   wait_reset;
 734         struct qla_hw_data *ha = vha->hw;
 735         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 736
 737         wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 738         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 739             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 740             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 741             ha->dpc_active) && time_before(jiffies, wait_reset)) {
 742
 743                 msleep(1000);
 744
 745                 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
 746                     ha->flags.chip_reset_done)
 747                         break;
 748         }
 749         if (ha->flags.chip_reset_done)
 750                 return_status = QLA_SUCCESS;
 751         else
 752                 return_status = QLA_FUNCTION_FAILED;
 753
 754         return return_status;
 755 }
 756
 757 /*
 758  * qla2x00_wait_for_loop_ready
 759  *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 760  *    to be in LOOP_READY state.
 761  * Input:
 762  *     ha - pointer to host adapter structure
 763  *
 764  * Note:
 765  *    Does context switching-Release SPIN_LOCK
 766  *    (if any) before calling this routine.
 767  *
 768  *
 769  * Return:
 770  *    Success (LOOP_READY) : 0
 771  *    Failed  (LOOP_NOT_READY) : 1
 772  */
 773 static inline int
 774 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
 775 {
 776         int      return_status = QLA_SUCCESS;
 777         unsigned long loop_timeout ;
 778         struct qla_hw_data *ha = vha->hw;
 779         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 780
 781         /* wait for 5 min at the max for loop to be ready */
 782         loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 783
 784         while ((!atomic_read(&base_vha->loop_down_timer) &&
 785             atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
 786             atomic_read(&base_vha->loop_state) != LOOP_READY) {
 787                 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 788                         return_status = QLA_FUNCTION_FAILED;
 789                         break;
 790                 }
 791                 msleep(1000);
 792                 if (time_after_eq(jiffies, loop_timeout)) {
 793                         return_status = QLA_FUNCTION_FAILED;
 794                         break;
 795                 }
 796         }
 797         return (return_status);
 798 }
 799
 800 /**************************************************************************
 801 * qla2xxx_eh_abort
 802 *
 803 * Description:
 804 *    The abort function will abort the specified command.
 805 *
 806 * Input:
 807 *    cmd = Linux SCSI command packet to be aborted.
 808 *
 809 * Returns:
 810 *    Either SUCCESS or FAILED.
 811 *
 812 * Note:
 813 *    Only return FAILED if command not returned by firmware.
 814 **************************************************************************/
 815 static int
 816 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 817 {
 818         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 819         srb_t *sp;
 820         int ret, i;
 821         unsigned int id, lun;
 822         unsigned long serial;
 823         unsigned long flags;
 824         int wait = 0;
 825         struct qla_hw_data *ha = vha->hw;
 826         struct req_que *req = vha->req;
 827         srb_t *spt;
 828
 829         fc_block_scsi_eh(cmd);
 830
 831         if (!CMD_SP(cmd))
 832                 return SUCCESS;
 833
 834         ret = SUCCESS;
 835
 836         id = cmd->device->id;
 837         lun = cmd->device->lun;
 838         serial = cmd->serial_number;
 839         spt = (srb_t *) CMD_SP(cmd);
 840         if (!spt)
 841                 return SUCCESS;
 842
 843         /* Check active list for command command. */
 844         spin_lock_irqsave(&ha->hardware_lock, flags);
 845         for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
 846                 sp = req->outstanding_cmds[i];
 847
 848                 if (sp == NULL)
 849                         continue;
 850                 if ((sp->ctx) && !(sp->flags & SRB_FCP_CMND_DMA_VALID) &&
 851                     !IS_PROT_IO(sp))
 852                         continue;
 853                 if (sp->cmd != cmd)
 854                         continue;
 855
 856                 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
 857                 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
 858
 859                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 860                 if (ha->isp_ops->abort_command(sp)) {
 861                         DEBUG2(printk("%s(%ld): abort_command "
 862                         "mbx failed.\n", __func__, vha->host_no));
 863                         ret = FAILED;
 864                 } else {
 865                         DEBUG3(printk("%s(%ld): abort_command "
 866                         "mbx success.\n", __func__, vha->host_no));
 867                         wait = 1;
 868                 }
 869                 spin_lock_irqsave(&ha->hardware_lock, flags);
 870                 break;
 871         }
 872         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 873
 874         /* Wait for the command to be returned. */
 875         if (wait) {
 876                 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
 877                         qla_printk(KERN_ERR, ha,
 878                             "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
 879                             "%x.\n", vha->host_no, id, lun, serial, ret);
 880                         ret = FAILED;
 881                 }
 882         }
 883
 884         qla_printk(KERN_INFO, ha,
 885             "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
 886             vha->host_no, id, lun, wait, serial, ret);
 887
 888         return ret;
 889 }
 890
 891 enum nexus_wait_type {
 892         WAIT_HOST = 0,
 893         WAIT_TARGET,
 894         WAIT_LUN,
 895 };
 896
 897 static int
 898 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
 899         unsigned int l, srb_t *sp, enum nexus_wait_type type)
 900 {
 901         int cnt, match, status;
 902         unsigned long flags;
 903         struct qla_hw_data *ha = vha->hw;
 904         struct req_que *req;
 905
 906         status = QLA_SUCCESS;
 907         if (!sp)
 908                 return status;
 909
 910         spin_lock_irqsave(&ha->hardware_lock, flags);
 911         req = vha->req;
 912         for (cnt = 1; status == QLA_SUCCESS &&
 913                 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 914                 sp = req->outstanding_cmds[cnt];
 915                 if (!sp)
 916                         continue;
 917                 if ((sp->ctx) && !IS_PROT_IO(sp))
 918                         continue;
 919                 if (vha->vp_idx != sp->fcport->vha->vp_idx)
 920                         continue;
 921                 match = 0;
 922                 switch (type) {
 923                 case WAIT_HOST:
 924                         match = 1;
 925                         break;
 926                 case WAIT_TARGET:
 927                         match = sp->cmd->device->id == t;
 928                         break;
 929                 case WAIT_LUN:
 930                         match = (sp->cmd->device->id == t &&
 931                                 sp->cmd->device->lun == l);
 932                         break;
 933                 }
 934                 if (!match)
 935                         continue;
 936
 937                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 938                 status = qla2x00_eh_wait_on_command(sp->cmd);
 939                 spin_lock_irqsave(&ha->hardware_lock, flags);
 940         }
 941         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 942
 943         return status;
 944 }
 945
 946 void qla82xx_wait_for_pending_commands(scsi_qla_host_t *vha)
 947 {
 948         int cnt;
 949         srb_t *sp;
 950         struct req_que *req = vha->req;
 951
 952         DEBUG2(qla_printk(KERN_INFO, vha->hw,
 953                 "Waiting for pending commands\n"));
 954         for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 955                 sp = req->outstanding_cmds[cnt];
 956                 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
 957                         sp, WAIT_HOST) == QLA_SUCCESS) {
 958                         DEBUG2(qla_printk(KERN_INFO, vha->hw,
 959                                 "Done wait for pending commands\n"));
 960                 }
 961         }
 962 }
 963
 964 static char *reset_errors[] = {
 965         "HBA not online",
 966         "HBA not ready",
 967         "Task management failed",
 968         "Waiting for command completions",
 969 };
 970
 971 static int
 972 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
 973     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
 974 {
 975         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 976         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 977         int err;
 978
 979         fc_block_scsi_eh(cmd);
 980
 981         if (!fcport)
 982                 return FAILED;
 983
 984         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
 985             vha->host_no, cmd->device->id, cmd->device->lun, name);
 986
 987         err = 0;
 988         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
 989                 goto eh_reset_failed;
 990         err = 1;
 991         if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
 992                 goto eh_reset_failed;
 993         err = 2;
 994         if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
 995                 != QLA_SUCCESS)
 996                 goto eh_reset_failed;
 997         err = 3;
 998         if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
 999             cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
1000                 goto eh_reset_failed;
1001
1002         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
1003             vha->host_no, cmd->device->id, cmd->device->lun, name);
1004
1005         return SUCCESS;
1006
1007  eh_reset_failed:
1008         qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
1009             , vha->host_no, cmd->device->id, cmd->device->lun, name,
1010             reset_errors[err]);
1011         return FAILED;
1012 }
1013
1014 static int
1015 qla2xxx_eh_device_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("DEVICE", WAIT_LUN, cmd,
1021             ha->isp_ops->lun_reset);
1022 }
1023
1024 static int
1025 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1026 {
1027         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1028         struct qla_hw_data *ha = vha->hw;
1029
1030         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1031             ha->isp_ops->target_reset);
1032 }
1033
1034 /**************************************************************************
1035 * qla2xxx_eh_bus_reset
1036 *
1037 * Description:
1038 *    The bus reset function will reset the bus and abort any executing
1039 *    commands.
1040 *
1041 * Input:
1042 *    cmd = Linux SCSI command packet of the command that cause the
1043 *          bus reset.
1044 *
1045 * Returns:
1046 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1047 *
1048 **************************************************************************/
1049 static int
1050 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1051 {
1052         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1053         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1054         int ret = FAILED;
1055         unsigned int id, lun;
1056         unsigned long serial;
1057         srb_t *sp = (srb_t *) CMD_SP(cmd);
1058
1059         fc_block_scsi_eh(cmd);
1060
1061         id = cmd->device->id;
1062         lun = cmd->device->lun;
1063         serial = cmd->serial_number;
1064
1065         if (!fcport)
1066                 return ret;
1067
1068         qla_printk(KERN_INFO, vha->hw,
1069             "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1070
1071         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1072                 DEBUG2(printk("%s failed:board disabled\n",__func__));
1073                 goto eh_bus_reset_done;
1074         }
1075
1076         if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1077                 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1078                         ret = SUCCESS;
1079         }
1080         if (ret == FAILED)
1081                 goto eh_bus_reset_done;
1082
1083         /* Flush outstanding commands. */
1084         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
1085             QLA_SUCCESS)
1086                 ret = FAILED;
1087
1088 eh_bus_reset_done:
1089         qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1090             (ret == FAILED) ? "failed" : "succeded");
1091
1092         return ret;
1093 }
1094
1095 /**************************************************************************
1096 * qla2xxx_eh_host_reset
1097 *
1098 * Description:
1099 *    The reset function will reset the Adapter.
1100 *
1101 * Input:
1102 *      cmd = Linux SCSI command packet of the command that cause the
1103 *            adapter reset.
1104 *
1105 * Returns:
1106 *      Either SUCCESS or FAILED.
1107 *
1108 * Note:
1109 **************************************************************************/
1110 static int
1111 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1112 {
1113         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1114         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1115         struct qla_hw_data *ha = vha->hw;
1116         int ret = FAILED;
1117         unsigned int id, lun;
1118         unsigned long serial;
1119         srb_t *sp = (srb_t *) CMD_SP(cmd);
1120         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1121
1122         fc_block_scsi_eh(cmd);
1123
1124         id = cmd->device->id;
1125         lun = cmd->device->lun;
1126         serial = cmd->serial_number;
1127
1128         if (!fcport)
1129                 return ret;
1130
1131         qla_printk(KERN_INFO, ha,
1132             "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1133
1134         if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1135                 goto eh_host_reset_lock;
1136
1137         /*
1138          * Fixme-may be dpc thread is active and processing
1139          * loop_resync,so wait a while for it to
1140          * be completed and then issue big hammer.Otherwise
1141          * it may cause I/O failure as big hammer marks the
1142          * devices as lost kicking of the port_down_timer
1143          * while dpc is stuck for the mailbox to complete.
1144          */
1145         qla2x00_wait_for_loop_ready(vha);
1146         if (vha != base_vha) {
1147                 if (qla2x00_vp_abort_isp(vha))
1148                         goto eh_host_reset_lock;
1149         } else {
1150                 if (IS_QLA82XX(vha->hw)) {
1151                         if (!qla82xx_fcoe_ctx_reset(vha)) {
1152                                 /* Ctx reset success */
1153                                 ret = SUCCESS;
1154                                 goto eh_host_reset_lock;
1155                         }
1156                         /* fall thru if ctx reset failed */
1157                 }
1158                 if (ha->wq)
1159                         flush_workqueue(ha->wq);
1160
1161                 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1162                 if (ha->isp_ops->abort_isp(base_vha)) {
1163                         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1164                         /* failed. schedule dpc to try */
1165                         set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1166
1167                         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1168                                 goto eh_host_reset_lock;
1169                 }
1170                 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1171         }
1172
1173         /* Waiting for command to be returned to OS.*/
1174         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
1175                 QLA_SUCCESS)
1176                 ret = SUCCESS;
1177
1178 eh_host_reset_lock:
1179         qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1180             (ret == FAILED) ? "failed" : "succeded");
1181
1182         return ret;
1183 }
1184
1185 /*
1186 * qla2x00_loop_reset
1187 *      Issue loop reset.
1188 *
1189 * Input:
1190 *      ha = adapter block pointer.
1191 *
1192 * Returns:
1193 *      0 = success
1194 */
1195 int
1196 qla2x00_loop_reset(scsi_qla_host_t *vha)
1197 {
1198         int ret;
1199         struct fc_port *fcport;
1200         struct qla_hw_data *ha = vha->hw;
1201
1202         if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1203                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1204                         if (fcport->port_type != FCT_TARGET)
1205                                 continue;
1206
1207                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
1208                         if (ret != QLA_SUCCESS) {
1209                                 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1210                                     "target_reset=%d d_id=%x.\n", __func__,
1211                                     vha->host_no, ret, fcport->d_id.b24));
1212                         }
1213                 }
1214         }
1215
1216         if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
1217                 ret = qla2x00_full_login_lip(vha);
1218                 if (ret != QLA_SUCCESS) {
1219                         DEBUG2_3(printk("%s(%ld): failed: "
1220                             "full_login_lip=%d.\n", __func__, vha->host_no,
1221                             ret));
1222                 }
1223                 atomic_set(&vha->loop_state, LOOP_DOWN);
1224                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1225                 qla2x00_mark_all_devices_lost(vha, 0);
1226                 qla2x00_wait_for_loop_ready(vha);
1227         }
1228
1229         if (ha->flags.enable_lip_reset) {
1230                 ret = qla2x00_lip_reset(vha);
1231                 if (ret != QLA_SUCCESS) {
1232                         DEBUG2_3(printk("%s(%ld): failed: "
1233                             "lip_reset=%d.\n", __func__, vha->host_no, ret));
1234                 } else
1235                         qla2x00_wait_for_loop_ready(vha);
1236         }
1237
1238         /* Issue marker command only when we are going to start the I/O */
1239         vha->marker_needed = 1;
1240
1241         return QLA_SUCCESS;
1242 }
1243
1244 void
1245 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1246 {
1247         int que, cnt;
1248         unsigned long flags;
1249         srb_t *sp;
1250         struct srb_ctx *ctx;
1251         struct qla_hw_data *ha = vha->hw;
1252         struct req_que *req;
1253
1254         spin_lock_irqsave(&ha->hardware_lock, flags);
1255         for (que = 0; que < ha->max_req_queues; que++) {
1256                 req = ha->req_q_map[que];
1257                 if (!req)
1258                         continue;
1259                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1260                         sp = req->outstanding_cmds[cnt];
1261                         if (sp) {
1262                                 req->outstanding_cmds[cnt] = NULL;
1263                                 if (!sp->ctx ||
1264                                         (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1265                                         IS_PROT_IO(sp)) {
1266                                         sp->cmd->result = res;
1267                                         qla2x00_sp_compl(ha, sp);
1268                                 } else {
1269                                         ctx = sp->ctx;
1270                                         if (ctx->type == SRB_LOGIN_CMD ||
1271                                             ctx->type == SRB_LOGOUT_CMD) {
1272                                                 ctx->u.iocb_cmd->free(sp);
1273                                         } else {
1274                                                 struct fc_bsg_job *bsg_job =
1275                                                     ctx->u.bsg_job;
1276                                                 if (bsg_job->request->msgcode
1277                                                     == FC_BSG_HST_CT)
1278                                                         kfree(sp->fcport);
1279                                                 bsg_job->req->errors = 0;
1280                                                 bsg_job->reply->result = res;
1281                                                 bsg_job->job_done(bsg_job);
1282                                                 kfree(sp->ctx);
1283                                                 mempool_free(sp,
1284                                                         ha->srb_mempool);
1285                                         }
1286                                 }
1287                         }
1288                 }
1289         }
1290         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1291 }
1292
1293 static int
1294 qla2xxx_slave_alloc(struct scsi_device *sdev)
1295 {
1296         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1297
1298         if (!rport || fc_remote_port_chkready(rport))
1299                 return -ENXIO;
1300
1301         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1302
1303         return 0;
1304 }
1305
1306 static int
1307 qla2xxx_slave_configure(struct scsi_device *sdev)
1308 {
1309         scsi_qla_host_t *vha = shost_priv(sdev->host);
1310         struct qla_hw_data *ha = vha->hw;
1311         struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1312         struct req_que *req = vha->req;
1313
1314         if (sdev->tagged_supported)
1315                 scsi_activate_tcq(sdev, req->max_q_depth);
1316         else
1317                 scsi_deactivate_tcq(sdev, req->max_q_depth);
1318
1319         rport->dev_loss_tmo = ha->port_down_retry_count;
1320
1321         return 0;
1322 }
1323
1324 static void
1325 qla2xxx_slave_destroy(struct scsi_device *sdev)
1326 {
1327         sdev->hostdata = NULL;
1328 }
1329
1330 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1331 {
1332         fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1333
1334         if (!scsi_track_queue_full(sdev, qdepth))
1335                 return;
1336
1337         DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1338                 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1339                 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1340                 sdev->queue_depth));
1341 }
1342
1343 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1344 {
1345         fc_port_t *fcport = sdev->hostdata;
1346         struct scsi_qla_host *vha = fcport->vha;
1347         struct qla_hw_data *ha = vha->hw;
1348         struct req_que *req = NULL;
1349
1350         req = vha->req;
1351         if (!req)
1352                 return;
1353
1354         if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1355                 return;
1356
1357         if (sdev->ordered_tags)
1358                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1359         else
1360                 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1361
1362         DEBUG2(qla_printk(KERN_INFO, ha,
1363                "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1364                fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1365                sdev->queue_depth));
1366 }
1367
1368 static int
1369 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1370 {
1371         switch (reason) {
1372         case SCSI_QDEPTH_DEFAULT:
1373                 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1374                 break;
1375         case SCSI_QDEPTH_QFULL:
1376                 qla2x00_handle_queue_full(sdev, qdepth);
1377                 break;
1378         case SCSI_QDEPTH_RAMP_UP:
1379                 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1380                 break;
1381         default:
1382                 return -EOPNOTSUPP;
1383         }
1384
1385         return sdev->queue_depth;
1386 }
1387
1388 static int
1389 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1390 {
1391         if (sdev->tagged_supported) {
1392                 scsi_set_tag_type(sdev, tag_type);
1393                 if (tag_type)
1394                         scsi_activate_tcq(sdev, sdev->queue_depth);
1395                 else
1396                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1397         } else
1398                 tag_type = 0;
1399
1400         return tag_type;
1401 }
1402
1403 /**
1404  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1405  * @ha: HA context
1406  *
1407  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1408  * supported addressing method.
1409  */
1410 static void
1411 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1412 {
1413         /* Assume a 32bit DMA mask. */
1414         ha->flags.enable_64bit_addressing = 0;
1415
1416         if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1417                 /* Any upper-dword bits set? */
1418                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1419                     !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1420                         /* Ok, a 64bit DMA mask is applicable. */
1421                         ha->flags.enable_64bit_addressing = 1;
1422                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1423                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1424                         return;
1425                 }
1426         }
1427
1428         dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1429         pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1430 }
1431
1432 static void
1433 qla2x00_enable_intrs(struct qla_hw_data *ha)
1434 {
1435         unsigned long flags = 0;
1436         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1437
1438         spin_lock_irqsave(&ha->hardware_lock, flags);
1439         ha->interrupts_on = 1;
1440         /* enable risc and host interrupts */
1441         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1442         RD_REG_WORD(&reg->ictrl);
1443         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1444
1445 }
1446
1447 static void
1448 qla2x00_disable_intrs(struct qla_hw_data *ha)
1449 {
1450         unsigned long flags = 0;
1451         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1452
1453         spin_lock_irqsave(&ha->hardware_lock, flags);
1454         ha->interrupts_on = 0;
1455         /* disable risc and host interrupts */
1456         WRT_REG_WORD(&reg->ictrl, 0);
1457         RD_REG_WORD(&reg->ictrl);
1458         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1459 }
1460
1461 static void
1462 qla24xx_enable_intrs(struct qla_hw_data *ha)
1463 {
1464         unsigned long flags = 0;
1465         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1466
1467         spin_lock_irqsave(&ha->hardware_lock, flags);
1468         ha->interrupts_on = 1;
1469         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1470         RD_REG_DWORD(&reg->ictrl);
1471         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1472 }
1473
1474 static void
1475 qla24xx_disable_intrs(struct qla_hw_data *ha)
1476 {
1477         unsigned long flags = 0;
1478         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1479
1480         if (IS_NOPOLLING_TYPE(ha))
1481                 return;
1482         spin_lock_irqsave(&ha->hardware_lock, flags);
1483         ha->interrupts_on = 0;
1484         WRT_REG_DWORD(&reg->ictrl, 0);
1485         RD_REG_DWORD(&reg->ictrl);
1486         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1487 }
1488
1489 static struct isp_operations qla2100_isp_ops = {
1490         .pci_config             = qla2100_pci_config,
1491         .reset_chip             = qla2x00_reset_chip,
1492         .chip_diag              = qla2x00_chip_diag,
1493         .config_rings           = qla2x00_config_rings,
1494         .reset_adapter          = qla2x00_reset_adapter,
1495         .nvram_config           = qla2x00_nvram_config,
1496         .update_fw_options      = qla2x00_update_fw_options,
1497         .load_risc              = qla2x00_load_risc,
1498         .pci_info_str           = qla2x00_pci_info_str,
1499         .fw_version_str         = qla2x00_fw_version_str,
1500         .intr_handler           = qla2100_intr_handler,
1501         .enable_intrs           = qla2x00_enable_intrs,
1502         .disable_intrs          = qla2x00_disable_intrs,
1503         .abort_command          = qla2x00_abort_command,
1504         .target_reset           = qla2x00_abort_target,
1505         .lun_reset              = qla2x00_lun_reset,
1506         .fabric_login           = qla2x00_login_fabric,
1507         .fabric_logout          = qla2x00_fabric_logout,
1508         .calc_req_entries       = qla2x00_calc_iocbs_32,
1509         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1510         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1511         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1512         .read_nvram             = qla2x00_read_nvram_data,
1513         .write_nvram            = qla2x00_write_nvram_data,
1514         .fw_dump                = qla2100_fw_dump,
1515         .beacon_on              = NULL,
1516         .beacon_off             = NULL,
1517         .beacon_blink           = NULL,
1518         .read_optrom            = qla2x00_read_optrom_data,
1519         .write_optrom           = qla2x00_write_optrom_data,
1520         .get_flash_version      = qla2x00_get_flash_version,
1521         .start_scsi             = qla2x00_start_scsi,
1522         .abort_isp              = qla2x00_abort_isp,
1523 };
1524
1525 static struct isp_operations qla2300_isp_ops = {
1526         .pci_config             = qla2300_pci_config,
1527         .reset_chip             = qla2x00_reset_chip,
1528         .chip_diag              = qla2x00_chip_diag,
1529         .config_rings           = qla2x00_config_rings,
1530         .reset_adapter          = qla2x00_reset_adapter,
1531         .nvram_config           = qla2x00_nvram_config,
1532         .update_fw_options      = qla2x00_update_fw_options,
1533         .load_risc              = qla2x00_load_risc,
1534         .pci_info_str           = qla2x00_pci_info_str,
1535         .fw_version_str         = qla2x00_fw_version_str,
1536         .intr_handler           = qla2300_intr_handler,
1537         .enable_intrs           = qla2x00_enable_intrs,
1538         .disable_intrs          = qla2x00_disable_intrs,
1539         .abort_command          = qla2x00_abort_command,
1540         .target_reset           = qla2x00_abort_target,
1541         .lun_reset              = qla2x00_lun_reset,
1542         .fabric_login           = qla2x00_login_fabric,
1543         .fabric_logout          = qla2x00_fabric_logout,
1544         .calc_req_entries       = qla2x00_calc_iocbs_32,
1545         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1546         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1547         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1548         .read_nvram             = qla2x00_read_nvram_data,
1549         .write_nvram            = qla2x00_write_nvram_data,
1550         .fw_dump                = qla2300_fw_dump,
1551         .beacon_on              = qla2x00_beacon_on,
1552         .beacon_off             = qla2x00_beacon_off,
1553         .beacon_blink           = qla2x00_beacon_blink,
1554         .read_optrom            = qla2x00_read_optrom_data,
1555         .write_optrom           = qla2x00_write_optrom_data,
1556         .get_flash_version      = qla2x00_get_flash_version,
1557         .start_scsi             = qla2x00_start_scsi,
1558         .abort_isp              = qla2x00_abort_isp,
1559 };
1560
1561 static struct isp_operations qla24xx_isp_ops = {
1562         .pci_config             = qla24xx_pci_config,
1563         .reset_chip             = qla24xx_reset_chip,
1564         .chip_diag              = qla24xx_chip_diag,
1565         .config_rings           = qla24xx_config_rings,
1566         .reset_adapter          = qla24xx_reset_adapter,
1567         .nvram_config           = qla24xx_nvram_config,
1568         .update_fw_options      = qla24xx_update_fw_options,
1569         .load_risc              = qla24xx_load_risc,
1570         .pci_info_str           = qla24xx_pci_info_str,
1571         .fw_version_str         = qla24xx_fw_version_str,
1572         .intr_handler           = qla24xx_intr_handler,
1573         .enable_intrs           = qla24xx_enable_intrs,
1574         .disable_intrs          = qla24xx_disable_intrs,
1575         .abort_command          = qla24xx_abort_command,
1576         .target_reset           = qla24xx_abort_target,
1577         .lun_reset              = qla24xx_lun_reset,
1578         .fabric_login           = qla24xx_login_fabric,
1579         .fabric_logout          = qla24xx_fabric_logout,
1580         .calc_req_entries       = NULL,
1581         .build_iocbs            = NULL,
1582         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1583         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1584         .read_nvram             = qla24xx_read_nvram_data,
1585         .write_nvram            = qla24xx_write_nvram_data,
1586         .fw_dump                = qla24xx_fw_dump,
1587         .beacon_on              = qla24xx_beacon_on,
1588         .beacon_off             = qla24xx_beacon_off,
1589         .beacon_blink           = qla24xx_beacon_blink,
1590         .read_optrom            = qla24xx_read_optrom_data,
1591         .write_optrom           = qla24xx_write_optrom_data,
1592         .get_flash_version      = qla24xx_get_flash_version,
1593         .start_scsi             = qla24xx_start_scsi,
1594         .abort_isp              = qla2x00_abort_isp,
1595 };
1596
1597 static struct isp_operations qla25xx_isp_ops = {
1598         .pci_config             = qla25xx_pci_config,
1599         .reset_chip             = qla24xx_reset_chip,
1600         .chip_diag              = qla24xx_chip_diag,
1601         .config_rings           = qla24xx_config_rings,
1602         .reset_adapter          = qla24xx_reset_adapter,
1603         .nvram_config           = qla24xx_nvram_config,
1604         .update_fw_options      = qla24xx_update_fw_options,
1605         .load_risc              = qla24xx_load_risc,
1606         .pci_info_str           = qla24xx_pci_info_str,
1607         .fw_version_str         = qla24xx_fw_version_str,
1608         .intr_handler           = qla24xx_intr_handler,
1609         .enable_intrs           = qla24xx_enable_intrs,
1610         .disable_intrs          = qla24xx_disable_intrs,
1611         .abort_command          = qla24xx_abort_command,
1612         .target_reset           = qla24xx_abort_target,
1613         .lun_reset              = qla24xx_lun_reset,
1614         .fabric_login           = qla24xx_login_fabric,
1615         .fabric_logout          = qla24xx_fabric_logout,
1616         .calc_req_entries       = NULL,
1617         .build_iocbs            = NULL,
1618         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1619         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1620         .read_nvram             = qla25xx_read_nvram_data,
1621         .write_nvram            = qla25xx_write_nvram_data,
1622         .fw_dump                = qla25xx_fw_dump,
1623         .beacon_on              = qla24xx_beacon_on,
1624         .beacon_off             = qla24xx_beacon_off,
1625         .beacon_blink           = qla24xx_beacon_blink,
1626         .read_optrom            = qla25xx_read_optrom_data,
1627         .write_optrom           = qla24xx_write_optrom_data,
1628         .get_flash_version      = qla24xx_get_flash_version,
1629         .start_scsi             = qla24xx_dif_start_scsi,
1630         .abort_isp              = qla2x00_abort_isp,
1631 };
1632
1633 static struct isp_operations qla81xx_isp_ops = {
1634         .pci_config             = qla25xx_pci_config,
1635         .reset_chip             = qla24xx_reset_chip,
1636         .chip_diag              = qla24xx_chip_diag,
1637         .config_rings           = qla24xx_config_rings,
1638         .reset_adapter          = qla24xx_reset_adapter,
1639         .nvram_config           = qla81xx_nvram_config,
1640         .update_fw_options      = qla81xx_update_fw_options,
1641         .load_risc              = qla81xx_load_risc,
1642         .pci_info_str           = qla24xx_pci_info_str,
1643         .fw_version_str         = qla24xx_fw_version_str,
1644         .intr_handler           = qla24xx_intr_handler,
1645         .enable_intrs           = qla24xx_enable_intrs,
1646         .disable_intrs          = qla24xx_disable_intrs,
1647         .abort_command          = qla24xx_abort_command,
1648         .target_reset           = qla24xx_abort_target,
1649         .lun_reset              = qla24xx_lun_reset,
1650         .fabric_login           = qla24xx_login_fabric,
1651         .fabric_logout          = qla24xx_fabric_logout,
1652         .calc_req_entries       = NULL,
1653         .build_iocbs            = NULL,
1654         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1655         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1656         .read_nvram             = NULL,
1657         .write_nvram            = NULL,
1658         .fw_dump                = qla81xx_fw_dump,
1659         .beacon_on              = qla24xx_beacon_on,
1660         .beacon_off             = qla24xx_beacon_off,
1661         .beacon_blink           = qla24xx_beacon_blink,
1662         .read_optrom            = qla25xx_read_optrom_data,
1663         .write_optrom           = qla24xx_write_optrom_data,
1664         .get_flash_version      = qla24xx_get_flash_version,
1665         .start_scsi             = qla24xx_start_scsi,
1666         .abort_isp              = qla2x00_abort_isp,
1667 };
1668
1669 static struct isp_operations qla82xx_isp_ops = {
1670         .pci_config             = qla82xx_pci_config,
1671         .reset_chip             = qla82xx_reset_chip,
1672         .chip_diag              = qla24xx_chip_diag,
1673         .config_rings           = qla82xx_config_rings,
1674         .reset_adapter          = qla24xx_reset_adapter,
1675         .nvram_config           = qla81xx_nvram_config,
1676         .update_fw_options      = qla24xx_update_fw_options,
1677         .load_risc              = qla82xx_load_risc,
1678         .pci_info_str           = qla82xx_pci_info_str,
1679         .fw_version_str         = qla24xx_fw_version_str,
1680         .intr_handler           = qla82xx_intr_handler,
1681         .enable_intrs           = qla82xx_enable_intrs,
1682         .disable_intrs          = qla82xx_disable_intrs,
1683         .abort_command          = qla24xx_abort_command,
1684         .target_reset           = qla24xx_abort_target,
1685         .lun_reset              = qla24xx_lun_reset,
1686         .fabric_login           = qla24xx_login_fabric,
1687         .fabric_logout          = qla24xx_fabric_logout,
1688         .calc_req_entries       = NULL,
1689         .build_iocbs            = NULL,
1690         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1691         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1692         .read_nvram             = qla24xx_read_nvram_data,
1693         .write_nvram            = qla24xx_write_nvram_data,
1694         .fw_dump                = qla24xx_fw_dump,
1695         .beacon_on              = qla24xx_beacon_on,
1696         .beacon_off             = qla24xx_beacon_off,
1697         .beacon_blink           = qla24xx_beacon_blink,
1698         .read_optrom            = qla82xx_read_optrom_data,
1699         .write_optrom           = qla82xx_write_optrom_data,
1700         .get_flash_version      = qla24xx_get_flash_version,
1701         .start_scsi             = qla82xx_start_scsi,
1702         .abort_isp              = qla82xx_abort_isp,
1703 };
1704
1705 static inline void
1706 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1707 {
1708         ha->device_type = DT_EXTENDED_IDS;
1709         switch (ha->pdev->device) {
1710         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1711                 ha->device_type |= DT_ISP2100;
1712                 ha->device_type &= ~DT_EXTENDED_IDS;
1713                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1714                 break;
1715         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1716                 ha->device_type |= DT_ISP2200;
1717                 ha->device_type &= ~DT_EXTENDED_IDS;
1718                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1719                 break;
1720         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1721                 ha->device_type |= DT_ISP2300;
1722                 ha->device_type |= DT_ZIO_SUPPORTED;
1723                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1724                 break;
1725         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1726                 ha->device_type |= DT_ISP2312;
1727                 ha->device_type |= DT_ZIO_SUPPORTED;
1728                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1729                 break;
1730         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1731                 ha->device_type |= DT_ISP2322;
1732                 ha->device_type |= DT_ZIO_SUPPORTED;
1733                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1734                     ha->pdev->subsystem_device == 0x0170)
1735                         ha->device_type |= DT_OEM_001;
1736                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1737                 break;
1738         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1739                 ha->device_type |= DT_ISP6312;
1740                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1741                 break;
1742         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1743                 ha->device_type |= DT_ISP6322;
1744                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1745                 break;
1746         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1747                 ha->device_type |= DT_ISP2422;
1748                 ha->device_type |= DT_ZIO_SUPPORTED;
1749                 ha->device_type |= DT_FWI2;
1750                 ha->device_type |= DT_IIDMA;
1751                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1752                 break;
1753         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1754                 ha->device_type |= DT_ISP2432;
1755                 ha->device_type |= DT_ZIO_SUPPORTED;
1756                 ha->device_type |= DT_FWI2;
1757                 ha->device_type |= DT_IIDMA;
1758                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1759                 break;
1760         case PCI_DEVICE_ID_QLOGIC_ISP8432:
1761                 ha->device_type |= DT_ISP8432;
1762                 ha->device_type |= DT_ZIO_SUPPORTED;
1763                 ha->device_type |= DT_FWI2;
1764                 ha->device_type |= DT_IIDMA;
1765                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1766                 break;
1767         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1768                 ha->device_type |= DT_ISP5422;
1769                 ha->device_type |= DT_FWI2;
1770                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1771                 break;
1772         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1773                 ha->device_type |= DT_ISP5432;
1774                 ha->device_type |= DT_FWI2;
1775                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1776                 break;
1777         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1778                 ha->device_type |= DT_ISP2532;
1779                 ha->device_type |= DT_ZIO_SUPPORTED;
1780                 ha->device_type |= DT_FWI2;
1781                 ha->device_type |= DT_IIDMA;
1782                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1783                 break;
1784         case PCI_DEVICE_ID_QLOGIC_ISP8001:
1785                 ha->device_type |= DT_ISP8001;
1786                 ha->device_type |= DT_ZIO_SUPPORTED;
1787                 ha->device_type |= DT_FWI2;
1788                 ha->device_type |= DT_IIDMA;
1789                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1790                 break;
1791         case PCI_DEVICE_ID_QLOGIC_ISP8021:
1792                 ha->device_type |= DT_ISP8021;
1793                 ha->device_type |= DT_ZIO_SUPPORTED;
1794                 ha->device_type |= DT_FWI2;
1795                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1796                 /* Initialize 82XX ISP flags */
1797                 qla82xx_init_flags(ha);
1798                 break;
1799         }
1800
1801         if (IS_QLA82XX(ha))
1802                 ha->port_no = !(ha->portnum & 1);
1803         else
1804                 /* Get adapter physical port no from interrupt pin register. */
1805                 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1806
1807         if (ha->port_no & 1)
1808                 ha->flags.port0 = 1;
1809         else
1810                 ha->flags.port0 = 0;
1811 }
1812
1813 static int
1814 qla2x00_iospace_config(struct qla_hw_data *ha)
1815 {
1816         resource_size_t pio;
1817         uint16_t msix;
1818         int cpus;
1819
1820         if (IS_QLA82XX(ha))
1821                 return qla82xx_iospace_config(ha);
1822
1823         if (pci_request_selected_regions(ha->pdev, ha->bars,
1824             QLA2XXX_DRIVER_NAME)) {
1825                 qla_printk(KERN_WARNING, ha,
1826                     "Failed to reserve PIO/MMIO regions (%s)\n",
1827                     pci_name(ha->pdev));
1828
1829                 goto iospace_error_exit;
1830         }
1831         if (!(ha->bars & 1))
1832                 goto skip_pio;
1833
1834         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1835         pio = pci_resource_start(ha->pdev, 0);
1836         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1837                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1838                         qla_printk(KERN_WARNING, ha,
1839                             "Invalid PCI I/O region size (%s)...\n",
1840                                 pci_name(ha->pdev));
1841                         pio = 0;
1842                 }
1843         } else {
1844                 qla_printk(KERN_WARNING, ha,
1845                     "region #0 not a PIO resource (%s)...\n",
1846                     pci_name(ha->pdev));
1847                 pio = 0;
1848         }
1849         ha->pio_address = pio;
1850
1851 skip_pio:
1852         /* Use MMIO operations for all accesses. */
1853         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1854                 qla_printk(KERN_ERR, ha,
1855                     "region #1 not an MMIO resource (%s), aborting\n",
1856                     pci_name(ha->pdev));
1857                 goto iospace_error_exit;
1858         }
1859         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1860                 qla_printk(KERN_ERR, ha,
1861                     "Invalid PCI mem region size (%s), aborting\n",
1862                         pci_name(ha->pdev));
1863                 goto iospace_error_exit;
1864         }
1865
1866         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1867         if (!ha->iobase) {
1868                 qla_printk(KERN_ERR, ha,
1869                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1870
1871                 goto iospace_error_exit;
1872         }
1873
1874         /* Determine queue resources */
1875         ha->max_req_queues = ha->max_rsp_queues = 1;
1876         if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1877                 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1878                 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1879                 goto mqiobase_exit;
1880
1881         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1882                         pci_resource_len(ha->pdev, 3));
1883         if (ha->mqiobase) {
1884                 /* Read MSIX vector size of the board */
1885                 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1886                 ha->msix_count = msix;
1887                 /* Max queues are bounded by available msix vectors */
1888                 /* queue 0 uses two msix vectors */
1889                 if (ql2xmultique_tag) {
1890                         cpus = num_online_cpus();
1891                         ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1892                                 (cpus + 1) : (ha->msix_count - 1);
1893                         ha->max_req_queues = 2;
1894                 } else if (ql2xmaxqueues > 1) {
1895                         ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1896                                                 QLA_MQ_SIZE : ql2xmaxqueues;
1897                         DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1898                         " of request queues:%d\n", ha->max_req_queues));
1899                 }
1900                 qla_printk(KERN_INFO, ha,
1901                         "MSI-X vector count: %d\n", msix);
1902         } else
1903                 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1904
1905 mqiobase_exit:
1906         ha->msix_count = ha->max_rsp_queues + 1;
1907         return (0);
1908
1909 iospace_error_exit:
1910         return (-ENOMEM);
1911 }
1912
1913 static void
1914 qla2xxx_scan_start(struct Scsi_Host *shost)
1915 {
1916         scsi_qla_host_t *vha = shost_priv(shost);
1917
1918         if (vha->hw->flags.running_gold_fw)
1919                 return;
1920
1921         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1922         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1923         set_bit(RSCN_UPDATE, &vha->dpc_flags);
1924         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1925 }
1926
1927 static int
1928 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1929 {
1930         scsi_qla_host_t *vha = shost_priv(shost);
1931
1932         if (!vha->host)
1933                 return 1;
1934         if (time > vha->hw->loop_reset_delay * HZ)
1935                 return 1;
1936
1937         return atomic_read(&vha->loop_state) == LOOP_READY;
1938 }
1939
1940 /*
1941  * PCI driver interface
1942  */
1943 static int __devinit
1944 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1945 {
1946         int     ret = -ENODEV;
1947         struct Scsi_Host *host;
1948         scsi_qla_host_t *base_vha = NULL;
1949         struct qla_hw_data *ha;
1950         char pci_info[30];
1951         char fw_str[30];
1952         struct scsi_host_template *sht;
1953         int bars, max_id, mem_only = 0;
1954         uint16_t req_length = 0, rsp_length = 0;
1955         struct req_que *req = NULL;
1956         struct rsp_que *rsp = NULL;
1957
1958         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1959         sht = &qla2xxx_driver_template;
1960         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1961             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1962             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1963             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1964             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1965             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1966             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
1967             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
1968                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1969                 mem_only = 1;
1970         }
1971
1972         if (mem_only) {
1973                 if (pci_enable_device_mem(pdev))
1974                         goto probe_out;
1975         } else {
1976                 if (pci_enable_device(pdev))
1977                         goto probe_out;
1978         }
1979
1980         /* This may fail but that's ok */
1981         pci_enable_pcie_error_reporting(pdev);
1982
1983         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1984         if (!ha) {
1985                 DEBUG(printk("Unable to allocate memory for ha\n"));
1986                 goto probe_out;
1987         }
1988         ha->pdev = pdev;
1989
1990         /* Clear our data area */
1991         ha->bars = bars;
1992         ha->mem_only = mem_only;
1993         spin_lock_init(&ha->hardware_lock);
1994
1995         /* Set ISP-type information. */
1996         qla2x00_set_isp_flags(ha);
1997
1998         /* Set EEH reset type to fundamental if required by hba */
1999         if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
2000                 pdev->needs_freset = 1;
2001         }
2002
2003         /* Configure PCI I/O space */
2004         ret = qla2x00_iospace_config(ha);
2005         if (ret)
2006                 goto probe_hw_failed;
2007
2008         qla_printk(KERN_INFO, ha,
2009             "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
2010             ha->iobase);
2011
2012         ha->prev_topology = 0;
2013         ha->init_cb_size = sizeof(init_cb_t);
2014         ha->link_data_rate = PORT_SPEED_UNKNOWN;
2015         ha->optrom_size = OPTROM_SIZE_2300;
2016
2017         /* Assign ISP specific operations. */
2018         max_id = MAX_TARGETS_2200;
2019         if (IS_QLA2100(ha)) {
2020                 max_id = MAX_TARGETS_2100;
2021                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2022                 req_length = REQUEST_ENTRY_CNT_2100;
2023                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2024                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2025                 ha->gid_list_info_size = 4;
2026                 ha->flash_conf_off = ~0;
2027                 ha->flash_data_off = ~0;
2028                 ha->nvram_conf_off = ~0;
2029                 ha->nvram_data_off = ~0;
2030                 ha->isp_ops = &qla2100_isp_ops;
2031         } else if (IS_QLA2200(ha)) {
2032                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2033                 req_length = REQUEST_ENTRY_CNT_2200;
2034                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2035                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2036                 ha->gid_list_info_size = 4;
2037                 ha->flash_conf_off = ~0;
2038                 ha->flash_data_off = ~0;
2039                 ha->nvram_conf_off = ~0;
2040                 ha->nvram_data_off = ~0;
2041                 ha->isp_ops = &qla2100_isp_ops;
2042         } else if (IS_QLA23XX(ha)) {
2043                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2044                 req_length = REQUEST_ENTRY_CNT_2200;
2045                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2046                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2047                 ha->gid_list_info_size = 6;
2048                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2049                         ha->optrom_size = OPTROM_SIZE_2322;
2050                 ha->flash_conf_off = ~0;
2051                 ha->flash_data_off = ~0;
2052                 ha->nvram_conf_off = ~0;
2053                 ha->nvram_data_off = ~0;
2054                 ha->isp_ops = &qla2300_isp_ops;
2055         } else if (IS_QLA24XX_TYPE(ha)) {
2056                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2057                 req_length = REQUEST_ENTRY_CNT_24XX;
2058                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2059                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2060                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2061                 ha->gid_list_info_size = 8;
2062                 ha->optrom_size = OPTROM_SIZE_24XX;
2063                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2064                 ha->isp_ops = &qla24xx_isp_ops;
2065                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2066                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2067                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2068                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2069         } else if (IS_QLA25XX(ha)) {
2070                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2071                 req_length = REQUEST_ENTRY_CNT_24XX;
2072                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2073                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2074                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2075                 ha->gid_list_info_size = 8;
2076                 ha->optrom_size = OPTROM_SIZE_25XX;
2077                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2078                 ha->isp_ops = &qla25xx_isp_ops;
2079                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2080                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2081                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2082                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2083         } else if (IS_QLA81XX(ha)) {
2084                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2085                 req_length = REQUEST_ENTRY_CNT_24XX;
2086                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2087                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2088                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2089                 ha->gid_list_info_size = 8;
2090                 ha->optrom_size = OPTROM_SIZE_81XX;
2091                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2092                 ha->isp_ops = &qla81xx_isp_ops;
2093                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2094                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2095                 ha->nvram_conf_off = ~0;
2096                 ha->nvram_data_off = ~0;
2097         } else if (IS_QLA82XX(ha)) {
2098                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2099                 req_length = REQUEST_ENTRY_CNT_82XX;
2100                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2101                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2102                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2103                 ha->gid_list_info_size = 8;
2104                 ha->optrom_size = OPTROM_SIZE_82XX;
2105                 ha->isp_ops = &qla82xx_isp_ops;
2106                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2107                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2108                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2109                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2110         }
2111
2112         mutex_init(&ha->vport_lock);
2113         init_completion(&ha->mbx_cmd_comp);
2114         complete(&ha->mbx_cmd_comp);
2115         init_completion(&ha->mbx_intr_comp);
2116
2117         set_bit(0, (unsigned long *) ha->vp_idx_map);
2118
2119         qla2x00_config_dma_addressing(ha);
2120         ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2121         if (!ret) {
2122                 qla_printk(KERN_WARNING, ha,
2123                     "[ERROR] Failed to allocate memory for adapter\n");
2124
2125                 goto probe_hw_failed;
2126         }
2127
2128         req->max_q_depth = MAX_Q_DEPTH;
2129         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2130                 req->max_q_depth = ql2xmaxqdepth;
2131
2132
2133         base_vha = qla2x00_create_host(sht, ha);
2134         if (!base_vha) {
2135                 qla_printk(KERN_WARNING, ha,
2136                     "[ERROR] Failed to allocate memory for scsi_host\n");
2137
2138                 ret = -ENOMEM;
2139                 qla2x00_mem_free(ha);
2140                 qla2x00_free_req_que(ha, req);
2141                 qla2x00_free_rsp_que(ha, rsp);
2142                 goto probe_hw_failed;
2143         }
2144
2145         pci_set_drvdata(pdev, base_vha);
2146
2147         host = base_vha->host;
2148         base_vha->req = req;
2149         host->can_queue = req->length + 128;
2150         if (IS_QLA2XXX_MIDTYPE(ha))
2151                 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2152         else
2153                 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2154                                                 base_vha->vp_idx;
2155         if (IS_QLA2100(ha))
2156                 host->sg_tablesize = 32;
2157         host->max_id = max_id;
2158         host->this_id = 255;
2159         host->cmd_per_lun = 3;
2160         host->unique_id = host->host_no;
2161         host->max_cmd_len = MAX_CMDSZ;
2162         host->max_channel = MAX_BUSES - 1;
2163         host->max_lun = MAX_LUNS;
2164         host->transportt = qla2xxx_transport_template;
2165         sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2166
2167         /* Set up the irqs */
2168         ret = qla2x00_request_irqs(ha, rsp);
2169         if (ret)
2170                 goto probe_init_failed;
2171
2172         pci_save_state(pdev);
2173
2174         /* Alloc arrays of request and response ring ptrs */
2175 que_init:
2176         if (!qla2x00_alloc_queues(ha)) {
2177                 qla_printk(KERN_WARNING, ha,
2178                 "[ERROR] Failed to allocate memory for queue"
2179                 " pointers\n");
2180                 goto probe_init_failed;
2181         }
2182
2183         ha->rsp_q_map[0] = rsp;
2184         ha->req_q_map[0] = req;
2185         rsp->req = req;
2186         req->rsp = rsp;
2187         set_bit(0, ha->req_qid_map);
2188         set_bit(0, ha->rsp_qid_map);
2189         /* FWI2-capable only. */
2190         req->req_q_in = &ha->iobase->isp24.req_q_in;
2191         req->req_q_out = &ha->iobase->isp24.req_q_out;
2192         rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2193         rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2194         if (ha->mqenable) {
2195                 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2196                 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2197                 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2198                 rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2199         }
2200
2201         if (IS_QLA82XX(ha)) {
2202                 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2203                 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2204                 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2205         }
2206
2207         if (qla2x00_initialize_adapter(base_vha)) {
2208                 qla_printk(KERN_WARNING, ha,
2209                     "Failed to initialize adapter\n");
2210
2211                 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2212                     "Adapter flags %x.\n",
2213                     base_vha->host_no, base_vha->device_flags));
2214
2215                 if (IS_QLA82XX(ha)) {
2216                         qla82xx_idc_lock(ha);
2217                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2218                                 QLA82XX_DEV_FAILED);
2219                         qla82xx_idc_unlock(ha);
2220                         qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
2221                 }
2222
2223                 ret = -ENODEV;
2224                 goto probe_failed;
2225         }
2226
2227         if (ha->mqenable) {
2228                 if (qla25xx_setup_mode(base_vha)) {
2229                         qla_printk(KERN_WARNING, ha,
2230                                 "Can't create queues, falling back to single"
2231                                 " queue mode\n");
2232                         goto que_init;
2233                 }
2234         }
2235
2236         if (ha->flags.running_gold_fw)
2237                 goto skip_dpc;
2238
2239         /*
2240          * Startup the kernel thread for this host adapter
2241          */
2242         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2243                         "%s_dpc", base_vha->host_str);
2244         if (IS_ERR(ha->dpc_thread)) {
2245                 qla_printk(KERN_WARNING, ha,
2246                     "Unable to start DPC thread!\n");
2247                 ret = PTR_ERR(ha->dpc_thread);
2248                 goto probe_failed;
2249         }
2250
2251 skip_dpc:
2252         list_add_tail(&base_vha->list, &ha->vp_list);
2253         base_vha->host->irq = ha->pdev->irq;
2254
2255         /* Initialized the timer */
2256         qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2257
2258         DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
2259             base_vha->host_no, ha));
2260
2261         if (IS_QLA25XX(ha) && ql2xenabledif) {
2262                 if (ha->fw_attributes & BIT_4) {
2263                         base_vha->flags.difdix_supported = 1;
2264                         DEBUG18(qla_printk(KERN_INFO, ha,
2265                             "Registering for DIF/DIX type 1 and 3"
2266                             " protection.\n"));
2267                         scsi_host_set_prot(host,
2268                             SHOST_DIF_TYPE1_PROTECTION
2269                             | SHOST_DIF_TYPE3_PROTECTION
2270                             | SHOST_DIX_TYPE1_PROTECTION
2271                             | SHOST_DIX_TYPE3_PROTECTION);
2272                         scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2273                 } else
2274                         base_vha->flags.difdix_supported = 0;
2275         }
2276
2277         ha->isp_ops->enable_intrs(ha);
2278
2279         ret = scsi_add_host(host, &pdev->dev);
2280         if (ret)
2281                 goto probe_failed;
2282
2283         base_vha->flags.init_done = 1;
2284         base_vha->flags.online = 1;
2285
2286         scsi_scan_host(host);
2287
2288         qla2x00_alloc_sysfs_attr(base_vha);
2289
2290         qla2x00_init_host_attr(base_vha);
2291
2292         qla2x00_dfs_setup(base_vha);
2293
2294         qla_printk(KERN_INFO, ha, "\n"
2295             " QLogic Fibre Channel HBA Driver: %s\n"
2296             "  QLogic %s - %s\n"
2297             "  ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2298             qla2x00_version_str, ha->model_number,
2299             ha->model_desc ? ha->model_desc : "", pdev->device,
2300             ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2301             ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2302             ha->isp_ops->fw_version_str(base_vha, fw_str));
2303
2304         return 0;
2305
2306 probe_init_failed:
2307         qla2x00_free_req_que(ha, req);
2308         qla2x00_free_rsp_que(ha, rsp);
2309         ha->max_req_queues = ha->max_rsp_queues = 0;
2310
2311 probe_failed:
2312         if (base_vha->timer_active)
2313                 qla2x00_stop_timer(base_vha);
2314         base_vha->flags.online = 0;
2315         if (ha->dpc_thread) {
2316                 struct task_struct *t = ha->dpc_thread;
2317
2318                 ha->dpc_thread = NULL;
2319                 kthread_stop(t);
2320         }
2321
2322         qla2x00_free_device(base_vha);
2323
2324         scsi_host_put(base_vha->host);
2325
2326 probe_hw_failed:
2327         if (IS_QLA82XX(ha)) {
2328                 qla82xx_idc_lock(ha);
2329                 qla82xx_clear_drv_active(ha);
2330                 qla82xx_idc_unlock(ha);
2331                 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2332                 if (!ql2xdbwr)
2333                         iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2334         } else {
2335                 if (ha->iobase)
2336                         iounmap(ha->iobase);
2337         }
2338         pci_release_selected_regions(ha->pdev, ha->bars);
2339         kfree(ha);
2340         ha = NULL;
2341
2342 probe_out:
2343         pci_disable_device(pdev);
2344         return ret;
2345 }
2346
2347 static void
2348 qla2x00_remove_one(struct pci_dev *pdev)
2349 {
2350         scsi_qla_host_t *base_vha, *vha, *temp;
2351         struct qla_hw_data  *ha;
2352
2353         base_vha = pci_get_drvdata(pdev);
2354         ha = base_vha->hw;
2355
2356         list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2357                 if (vha && vha->fc_vport)
2358                         fc_vport_terminate(vha->fc_vport);
2359         }
2360
2361         set_bit(UNLOADING, &base_vha->dpc_flags);
2362
2363         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2364
2365         qla2x00_dfs_remove(base_vha);
2366
2367         qla84xx_put_chip(base_vha);
2368
2369         /* Disable timer */
2370         if (base_vha->timer_active)
2371                 qla2x00_stop_timer(base_vha);
2372
2373         base_vha->flags.online = 0;
2374
2375         /* Flush the work queue and remove it */
2376         if (ha->wq) {
2377                 flush_workqueue(ha->wq);
2378                 destroy_workqueue(ha->wq);
2379                 ha->wq = NULL;
2380         }
2381
2382         /* Kill the kernel thread for this host */
2383         if (ha->dpc_thread) {
2384                 struct task_struct *t = ha->dpc_thread;
2385
2386                 /*
2387                  * qla2xxx_wake_dpc checks for ->dpc_thread
2388                  * so we need to zero it out.
2389                  */
2390                 ha->dpc_thread = NULL;
2391                 kthread_stop(t);
2392         }
2393
2394         qla2x00_free_sysfs_attr(base_vha);
2395
2396         fc_remove_host(base_vha->host);
2397
2398         scsi_remove_host(base_vha->host);
2399
2400         qla2x00_free_device(base_vha);
2401
2402         scsi_host_put(base_vha->host);
2403
2404         if (IS_QLA82XX(ha)) {
2405                 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2406                 if (!ql2xdbwr)
2407                         iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2408         } else {
2409                 if (ha->iobase)
2410                         iounmap(ha->iobase);
2411
2412                 if (ha->mqiobase)
2413                         iounmap(ha->mqiobase);
2414         }
2415
2416         pci_release_selected_regions(ha->pdev, ha->bars);
2417         kfree(ha);
2418         ha = NULL;
2419
2420         pci_disable_pcie_error_reporting(pdev);
2421
2422         pci_disable_device(pdev);
2423         pci_set_drvdata(pdev, NULL);
2424 }
2425
2426 static void
2427 qla2x00_free_device(scsi_qla_host_t *vha)
2428 {
2429         struct qla_hw_data *ha = vha->hw;
2430
2431         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2432
2433         /* Disable timer */
2434         if (vha->timer_active)
2435                 qla2x00_stop_timer(vha);
2436
2437         /* Kill the kernel thread for this host */
2438         if (ha->dpc_thread) {
2439                 struct task_struct *t = ha->dpc_thread;
2440
2441                 /*
2442                  * qla2xxx_wake_dpc checks for ->dpc_thread
2443                  * so we need to zero it out.
2444                  */
2445                 ha->dpc_thread = NULL;
2446                 kthread_stop(t);
2447         }
2448
2449         qla25xx_delete_queues(vha);
2450
2451         if (ha->flags.fce_enabled)
2452                 qla2x00_disable_fce_trace(vha, NULL, NULL);
2453
2454         if (ha->eft)
2455                 qla2x00_disable_eft_trace(vha);
2456
2457         /* Stop currently executing firmware. */
2458         qla2x00_try_to_stop_firmware(vha);
2459
2460         vha->flags.online = 0;
2461
2462         /* turn-off interrupts on the card */
2463         if (ha->interrupts_on) {
2464                 vha->flags.init_done = 0;
2465                 ha->isp_ops->disable_intrs(ha);
2466         }
2467
2468         qla2x00_free_irqs(vha);
2469
2470         qla2x00_mem_free(ha);
2471
2472         qla2x00_free_queues(ha);
2473 }
2474
2475 static inline void
2476 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2477     int defer)
2478 {
2479         struct fc_rport *rport;
2480         scsi_qla_host_t *base_vha;
2481
2482         if (!fcport->rport)
2483                 return;
2484
2485         rport = fcport->rport;
2486         if (defer) {
2487                 base_vha = pci_get_drvdata(vha->hw->pdev);
2488                 spin_lock_irq(vha->host->host_lock);
2489                 fcport->drport = rport;
2490                 spin_unlock_irq(vha->host->host_lock);
2491                 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2492                 qla2xxx_wake_dpc(base_vha);
2493         } else
2494                 fc_remote_port_delete(rport);
2495 }
2496
2497 /*
2498  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2499  *
2500  * Input: ha = adapter block pointer.  fcport = port structure pointer.
2501  *
2502  * Return: None.
2503  *
2504  * Context:
2505  */
2506 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2507     int do_login, int defer)
2508 {
2509         if (atomic_read(&fcport->state) == FCS_ONLINE &&
2510             vha->vp_idx == fcport->vp_idx) {
2511                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2512                 qla2x00_schedule_rport_del(vha, fcport, defer);
2513         }
2514         /*
2515          * We may need to retry the login, so don't change the state of the
2516          * port but do the retries.
2517          */
2518         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2519                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2520
2521         if (!do_login)
2522                 return;
2523
2524         if (fcport->login_retry == 0) {
2525                 fcport->login_retry = vha->hw->login_retry_count;
2526                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2527
2528                 DEBUG(printk("scsi(%ld): Port login retry: "
2529                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
2530                     "id = 0x%04x retry cnt=%d\n",
2531                     vha->host_no,
2532                     fcport->port_name[0],
2533                     fcport->port_name[1],
2534                     fcport->port_name[2],
2535                     fcport->port_name[3],
2536                     fcport->port_name[4],
2537                     fcport->port_name[5],
2538                     fcport->port_name[6],
2539                     fcport->port_name[7],
2540                     fcport->loop_id,
2541                     fcport->login_retry));
2542         }
2543 }
2544
2545 /*
2546  * qla2x00_mark_all_devices_lost
2547  *      Updates fcport state when device goes offline.
2548  *
2549  * Input:
2550  *      ha = adapter block pointer.
2551  *      fcport = port structure pointer.
2552  *
2553  * Return:
2554  *      None.
2555  *
2556  * Context:
2557  */
2558 void
2559 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2560 {
2561         fc_port_t *fcport;
2562
2563         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2564                 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2565                         continue;
2566
2567                 /*
2568                  * No point in marking the device as lost, if the device is
2569                  * already DEAD.
2570                  */
2571                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2572                         continue;
2573                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2574                         if (defer)
2575                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2576                         else if (vha->vp_idx == fcport->vp_idx)
2577                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2578                 }
2579                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2580         }
2581 }
2582
2583 /*
2584 * qla2x00_mem_alloc
2585 *      Allocates adapter memory.
2586 *
2587 * Returns:
2588 *      0  = success.
2589 *      !0  = failure.
2590 */
2591 static int
2592 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2593         struct req_que **req, struct rsp_que **rsp)
2594 {
2595         char    name[16];
2596
2597         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2598                 &ha->init_cb_dma, GFP_KERNEL);
2599         if (!ha->init_cb)
2600                 goto fail;
2601
2602         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2603                 &ha->gid_list_dma, GFP_KERNEL);
2604         if (!ha->gid_list)
2605                 goto fail_free_init_cb;
2606
2607         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2608         if (!ha->srb_mempool)
2609                 goto fail_free_gid_list;
2610
2611         if (IS_QLA82XX(ha)) {
2612                 /* Allocate cache for CT6 Ctx. */
2613                 if (!ctx_cachep) {
2614                         ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2615                                 sizeof(struct ct6_dsd), 0,
2616                                 SLAB_HWCACHE_ALIGN, NULL);
2617                         if (!ctx_cachep)
2618                                 goto fail_free_gid_list;
2619                 }
2620                 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2621                         ctx_cachep);
2622                 if (!ha->ctx_mempool)
2623                         goto fail_free_srb_mempool;
2624         }
2625
2626         /* Get memory for cached NVRAM */
2627         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2628         if (!ha->nvram)
2629                 goto fail_free_ctx_mempool;
2630
2631         snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2632                 ha->pdev->device);
2633         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2634                 DMA_POOL_SIZE, 8, 0);
2635         if (!ha->s_dma_pool)
2636                 goto fail_free_nvram;
2637
2638         if (IS_QLA82XX(ha) || ql2xenabledif) {
2639                 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2640                         DSD_LIST_DMA_POOL_SIZE, 8, 0);
2641                 if (!ha->dl_dma_pool) {
2642                         qla_printk(KERN_WARNING, ha,
2643                             "Memory Allocation failed - dl_dma_pool\n");
2644                         goto fail_s_dma_pool;
2645                 }
2646
2647                 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2648                         FCP_CMND_DMA_POOL_SIZE, 8, 0);
2649                 if (!ha->fcp_cmnd_dma_pool) {
2650                         qla_printk(KERN_WARNING, ha,
2651                             "Memory Allocation failed - fcp_cmnd_dma_pool\n");
2652                         goto fail_dl_dma_pool;
2653                 }
2654         }
2655
2656         /* Allocate memory for SNS commands */
2657         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2658         /* Get consistent memory allocated for SNS commands */
2659                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2660                 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2661                 if (!ha->sns_cmd)
2662                         goto fail_dma_pool;
2663         } else {
2664         /* Get consistent memory allocated for MS IOCB */
2665                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2666                         &ha->ms_iocb_dma);
2667                 if (!ha->ms_iocb)
2668                         goto fail_dma_pool;
2669         /* Get consistent memory allocated for CT SNS commands */
2670                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2671                         sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2672                 if (!ha->ct_sns)
2673                         goto fail_free_ms_iocb;
2674         }
2675
2676         /* Allocate memory for request ring */
2677         *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2678         if (!*req) {
2679                 DEBUG(printk("Unable to allocate memory for req\n"));
2680                 goto fail_req;
2681         }
2682         (*req)->length = req_len;
2683         (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2684                 ((*req)->length + 1) * sizeof(request_t),
2685                 &(*req)->dma, GFP_KERNEL);
2686         if (!(*req)->ring) {
2687                 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2688                 goto fail_req_ring;
2689         }
2690         /* Allocate memory for response ring */
2691         *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2692         if (!*rsp) {
2693                 qla_printk(KERN_WARNING, ha,
2694                         "Unable to allocate memory for rsp\n");
2695                 goto fail_rsp;
2696         }
2697         (*rsp)->hw = ha;
2698         (*rsp)->length = rsp_len;
2699         (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2700                 ((*rsp)->length + 1) * sizeof(response_t),
2701                 &(*rsp)->dma, GFP_KERNEL);
2702         if (!(*rsp)->ring) {
2703                 qla_printk(KERN_WARNING, ha,
2704                         "Unable to allocate memory for rsp_ring\n");
2705                 goto fail_rsp_ring;
2706         }
2707         (*req)->rsp = *rsp;
2708         (*rsp)->req = *req;
2709         /* Allocate memory for NVRAM data for vports */
2710         if (ha->nvram_npiv_size) {
2711                 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2712                                         ha->nvram_npiv_size, GFP_KERNEL);
2713                 if (!ha->npiv_info) {
2714                         qla_printk(KERN_WARNING, ha,
2715                                 "Unable to allocate memory for npiv info\n");
2716                         goto fail_npiv_info;
2717                 }
2718         } else
2719                 ha->npiv_info = NULL;
2720
2721         /* Get consistent memory allocated for EX-INIT-CB. */
2722         if (IS_QLA8XXX_TYPE(ha)) {
2723                 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2724                     &ha->ex_init_cb_dma);
2725                 if (!ha->ex_init_cb)
2726                         goto fail_ex_init_cb;
2727         }
2728
2729         INIT_LIST_HEAD(&ha->gbl_dsd_list);
2730
2731         /* Get consistent memory allocated for Async Port-Database. */
2732         if (!IS_FWI2_CAPABLE(ha)) {
2733                 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2734                         &ha->async_pd_dma);
2735                 if (!ha->async_pd)
2736                         goto fail_async_pd;
2737         }
2738
2739         INIT_LIST_HEAD(&ha->vp_list);
2740         return 1;
2741
2742 fail_async_pd:
2743         dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2744 fail_ex_init_cb:
2745         kfree(ha->npiv_info);
2746 fail_npiv_info:
2747         dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2748                 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2749         (*rsp)->ring = NULL;
2750         (*rsp)->dma = 0;
2751 fail_rsp_ring:
2752         kfree(*rsp);
2753 fail_rsp:
2754         dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2755                 sizeof(request_t), (*req)->ring, (*req)->dma);
2756         (*req)->ring = NULL;
2757         (*req)->dma = 0;
2758 fail_req_ring:
2759         kfree(*req);
2760 fail_req:
2761         dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2762                 ha->ct_sns, ha->ct_sns_dma);
2763         ha->ct_sns = NULL;
2764         ha->ct_sns_dma = 0;
2765 fail_free_ms_iocb:
2766         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2767         ha->ms_iocb = NULL;
2768         ha->ms_iocb_dma = 0;
2769 fail_dma_pool:
2770         if (IS_QLA82XX(ha) || ql2xenabledif) {
2771                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2772                 ha->fcp_cmnd_dma_pool = NULL;
2773         }
2774 fail_dl_dma_pool:
2775         if (IS_QLA82XX(ha) || ql2xenabledif) {
2776                 dma_pool_destroy(ha->dl_dma_pool);
2777                 ha->dl_dma_pool = NULL;
2778         }
2779 fail_s_dma_pool:
2780         dma_pool_destroy(ha->s_dma_pool);
2781         ha->s_dma_pool = NULL;
2782 fail_free_nvram:
2783         kfree(ha->nvram);
2784         ha->nvram = NULL;
2785 fail_free_ctx_mempool:
2786         mempool_destroy(ha->ctx_mempool);
2787         ha->ctx_mempool = NULL;
2788 fail_free_srb_mempool:
2789         mempool_destroy(ha->srb_mempool);
2790         ha->srb_mempool = NULL;
2791 fail_free_gid_list:
2792         dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2793         ha->gid_list_dma);
2794         ha->gid_list = NULL;
2795         ha->gid_list_dma = 0;
2796 fail_free_init_cb:
2797         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2798         ha->init_cb_dma);
2799         ha->init_cb = NULL;
2800         ha->init_cb_dma = 0;
2801 fail:
2802         DEBUG(printk("%s: Memory allocation failure\n", __func__));
2803         return -ENOMEM;
2804 }
2805
2806 /*
2807 * qla2x00_mem_free
2808 *      Frees all adapter allocated memory.
2809 *
2810 * Input:
2811 *      ha = adapter block pointer.
2812 */
2813 static void
2814 qla2x00_mem_free(struct qla_hw_data *ha)
2815 {
2816         if (ha->srb_mempool)
2817                 mempool_destroy(ha->srb_mempool);
2818
2819         if (ha->fce)
2820                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2821                 ha->fce_dma);
2822
2823         if (ha->fw_dump) {
2824                 if (ha->eft)
2825                         dma_free_coherent(&ha->pdev->dev,
2826                         ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2827                 vfree(ha->fw_dump);
2828         }
2829
2830         if (ha->dcbx_tlv)
2831                 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2832                     ha->dcbx_tlv, ha->dcbx_tlv_dma);
2833
2834         if (ha->xgmac_data)
2835                 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2836                     ha->xgmac_data, ha->xgmac_data_dma);
2837
2838         if (ha->sns_cmd)
2839                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2840                 ha->sns_cmd, ha->sns_cmd_dma);
2841
2842         if (ha->ct_sns)
2843                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2844                 ha->ct_sns, ha->ct_sns_dma);
2845
2846         if (ha->sfp_data)
2847                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2848
2849         if (ha->edc_data)
2850                 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2851
2852         if (ha->ms_iocb)
2853                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2854
2855         if (ha->ex_init_cb)
2856                 dma_pool_free(ha->s_dma_pool,
2857                         ha->ex_init_cb, ha->ex_init_cb_dma);
2858
2859         if (ha->async_pd)
2860                 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
2861
2862         if (ha->s_dma_pool)
2863                 dma_pool_destroy(ha->s_dma_pool);
2864
2865         if (ha->gid_list)
2866                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2867                 ha->gid_list_dma);
2868
2869         if (IS_QLA82XX(ha)) {
2870                 if (!list_empty(&ha->gbl_dsd_list)) {
2871                         struct dsd_dma *dsd_ptr, *tdsd_ptr;
2872
2873                         /* clean up allocated prev pool */
2874                         list_for_each_entry_safe(dsd_ptr,
2875                                 tdsd_ptr, &ha->gbl_dsd_list, list) {
2876                                 dma_pool_free(ha->dl_dma_pool,
2877                                 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
2878                                 list_del(&dsd_ptr->list);
2879                                 kfree(dsd_ptr);
2880                         }
2881                 }
2882         }
2883
2884         if (ha->dl_dma_pool)
2885                 dma_pool_destroy(ha->dl_dma_pool);
2886
2887         if (ha->fcp_cmnd_dma_pool)
2888                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2889
2890         if (ha->ctx_mempool)
2891                 mempool_destroy(ha->ctx_mempool);
2892
2893         if (ha->init_cb)
2894                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2895                         ha->init_cb, ha->init_cb_dma);
2896         vfree(ha->optrom_buffer);
2897         kfree(ha->nvram);
2898         kfree(ha->npiv_info);
2899
2900         ha->srb_mempool = NULL;
2901         ha->ctx_mempool = NULL;
2902         ha->eft = NULL;
2903         ha->eft_dma = 0;
2904         ha->sns_cmd = NULL;
2905         ha->sns_cmd_dma = 0;
2906         ha->ct_sns = NULL;
2907         ha->ct_sns_dma = 0;
2908         ha->ms_iocb = NULL;
2909         ha->ms_iocb_dma = 0;
2910         ha->init_cb = NULL;
2911         ha->init_cb_dma = 0;
2912         ha->ex_init_cb = NULL;
2913         ha->ex_init_cb_dma = 0;
2914         ha->async_pd = NULL;
2915         ha->async_pd_dma = 0;
2916
2917         ha->s_dma_pool = NULL;
2918         ha->dl_dma_pool = NULL;
2919         ha->fcp_cmnd_dma_pool = NULL;
2920
2921         ha->gid_list = NULL;
2922         ha->gid_list_dma = 0;
2923
2924         ha->fw_dump = NULL;
2925         ha->fw_dumped = 0;
2926         ha->fw_dump_reading = 0;
2927 }
2928
2929 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2930                                                 struct qla_hw_data *ha)
2931 {
2932         struct Scsi_Host *host;
2933         struct scsi_qla_host *vha = NULL;
2934
2935         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2936         if (host == NULL) {
2937                 printk(KERN_WARNING
2938                 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2939                 goto fail;
2940         }
2941
2942         /* Clear our data area */
2943         vha = shost_priv(host);
2944         memset(vha, 0, sizeof(scsi_qla_host_t));
2945
2946         vha->host = host;
2947         vha->host_no = host->host_no;
2948         vha->hw = ha;
2949
2950         INIT_LIST_HEAD(&vha->vp_fcports);
2951         INIT_LIST_HEAD(&vha->work_list);
2952         INIT_LIST_HEAD(&vha->list);
2953
2954         spin_lock_init(&vha->work_lock);
2955
2956         sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2957         return vha;
2958
2959 fail:
2960         return vha;
2961 }
2962
2963 static struct qla_work_evt *
2964 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
2965 {
2966         struct qla_work_evt *e;
2967
2968         e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
2969         if (!e)
2970                 return NULL;
2971
2972         INIT_LIST_HEAD(&e->list);
2973         e->type = type;
2974         e->flags = QLA_EVT_FLAG_FREE;
2975         return e;
2976 }
2977
2978 static int
2979 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
2980 {
2981         unsigned long flags;
2982
2983         spin_lock_irqsave(&vha->work_lock, flags);
2984         list_add_tail(&e->list, &vha->work_list);
2985         spin_unlock_irqrestore(&vha->work_lock, flags);
2986         qla2xxx_wake_dpc(vha);
2987
2988         return QLA_SUCCESS;
2989 }
2990
2991 int
2992 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
2993     u32 data)
2994 {
2995         struct qla_work_evt *e;
2996
2997         e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
2998         if (!e)
2999                 return QLA_FUNCTION_FAILED;
3000
3001         e->u.aen.code = code;
3002         e->u.aen.data = data;
3003         return qla2x00_post_work(vha, e);
3004 }
3005
3006 int
3007 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3008 {
3009         struct qla_work_evt *e;
3010
3011         e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3012         if (!e)
3013                 return QLA_FUNCTION_FAILED;
3014
3015         memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3016         return qla2x00_post_work(vha, e);
3017 }
3018
3019 #define qla2x00_post_async_work(name, type)     \
3020 int qla2x00_post_async_##name##_work(           \
3021     struct scsi_qla_host *vha,                  \
3022     fc_port_t *fcport, uint16_t *data)          \
3023 {                                               \
3024         struct qla_work_evt *e;                 \
3025                                                 \
3026         e = qla2x00_alloc_work(vha, type);      \
3027         if (!e)                                 \
3028                 return QLA_FUNCTION_FAILED;     \
3029                                                 \
3030         e->u.logio.fcport = fcport;             \
3031         if (data) {                             \
3032                 e->u.logio.data[0] = data[0];   \
3033                 e->u.logio.data[1] = data[1];   \
3034         }                                       \
3035         return qla2x00_post_work(vha, e);       \
3036 }
3037
3038 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3039 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3040 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3041 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3042 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3043 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3044
3045 int
3046 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3047 {
3048         struct qla_work_evt *e;
3049
3050         e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3051         if (!e)
3052                 return QLA_FUNCTION_FAILED;
3053
3054         e->u.uevent.code = code;
3055         return qla2x00_post_work(vha, e);
3056 }
3057
3058 static void
3059 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3060 {
3061         char event_string[40];
3062         char *envp[] = { event_string, NULL };
3063
3064         switch (code) {
3065         case QLA_UEVENT_CODE_FW_DUMP:
3066                 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3067                     vha->host_no);
3068                 break;
3069         default:
3070                 /* do nothing */
3071                 break;
3072         }
3073         kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3074 }
3075
3076 void
3077 qla2x00_do_work(struct scsi_qla_host *vha)
3078 {
3079         struct qla_work_evt *e, *tmp;
3080         unsigned long flags;
3081         LIST_HEAD(work);
3082
3083         spin_lock_irqsave(&vha->work_lock, flags);
3084         list_splice_init(&vha->work_list, &work);
3085         spin_unlock_irqrestore(&vha->work_lock, flags);
3086
3087         list_for_each_entry_safe(e, tmp, &work, list) {
3088                 list_del_init(&e->list);
3089
3090                 switch (e->type) {
3091                 case QLA_EVT_AEN:
3092                         fc_host_post_event(vha->host, fc_get_event_number(),
3093                             e->u.aen.code, e->u.aen.data);
3094                         break;
3095                 case QLA_EVT_IDC_ACK:
3096                         qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3097                         break;
3098                 case QLA_EVT_ASYNC_LOGIN:
3099                         qla2x00_async_login(vha, e->u.logio.fcport,
3100                             e->u.logio.data);
3101                         break;
3102                 case QLA_EVT_ASYNC_LOGIN_DONE:
3103                         qla2x00_async_login_done(vha, e->u.logio.fcport,
3104                             e->u.logio.data);
3105                         break;
3106                 case QLA_EVT_ASYNC_LOGOUT:
3107                         qla2x00_async_logout(vha, e->u.logio.fcport);
3108                         break;
3109                 case QLA_EVT_ASYNC_LOGOUT_DONE:
3110                         qla2x00_async_logout_done(vha, e->u.logio.fcport,
3111                             e->u.logio.data);
3112                         break;
3113                 case QLA_EVT_ASYNC_ADISC:
3114                         qla2x00_async_adisc(vha, e->u.logio.fcport,
3115                             e->u.logio.data);
3116                         break;
3117                 case QLA_EVT_ASYNC_ADISC_DONE:
3118                         qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3119                             e->u.logio.data);
3120                         break;
3121                 case QLA_EVT_UEVENT:
3122                         qla2x00_uevent_emit(vha, e->u.uevent.code);
3123                         break;
3124                 }
3125                 if (e->flags & QLA_EVT_FLAG_FREE)
3126                         kfree(e);
3127         }
3128 }
3129
3130 /* Relogins all the fcports of a vport
3131  * Context: dpc thread
3132  */
3133 void qla2x00_relogin(struct scsi_qla_host *vha)
3134 {
3135         fc_port_t       *fcport;
3136         int status;
3137         uint16_t        next_loopid = 0;
3138         struct qla_hw_data *ha = vha->hw;
3139         uint16_t data[2];
3140
3141         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3142         /*
3143          * If the port is not ONLINE then try to login
3144          * to it if we haven't run out of retries.
3145          */
3146                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3147                     fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3148                         fcport->login_retry--;
3149                         if (fcport->flags & FCF_FABRIC_DEVICE) {
3150                                 if (fcport->flags & FCF_FCP2_DEVICE)
3151                                         ha->isp_ops->fabric_logout(vha,
3152                                                         fcport->loop_id,
3153                                                         fcport->d_id.b.domain,
3154                                                         fcport->d_id.b.area,
3155                                                         fcport->d_id.b.al_pa);
3156
3157                                 if (IS_ALOGIO_CAPABLE(ha)) {
3158                                         fcport->flags |= FCF_ASYNC_SENT;
3159                                         data[0] = 0;
3160                                         data[1] = QLA_LOGIO_LOGIN_RETRIED;
3161                                         status = qla2x00_post_async_login_work(
3162                                             vha, fcport, data);
3163                                         if (status == QLA_SUCCESS)
3164                                                 continue;
3165                                         /* Attempt a retry. */
3166                                         status = 1;
3167                                 } else
3168                                         status = qla2x00_fabric_login(vha,
3169                                             fcport, &next_loopid);
3170                         } else
3171                                 status = qla2x00_local_device_login(vha,
3172                                                                 fcport);
3173
3174                         if (status == QLA_SUCCESS) {
3175                                 fcport->old_loop_id = fcport->loop_id;
3176
3177                                 DEBUG(printk("scsi(%ld): port login OK: logged "
3178                                 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
3179
3180                                 qla2x00_update_fcport(vha, fcport);
3181
3182                         } else if (status == 1) {
3183                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3184                                 /* retry the login again */
3185                                 DEBUG(printk("scsi(%ld): Retrying"
3186                                 " %d login again loop_id 0x%x\n",
3187                                 vha->host_no, fcport->login_retry,
3188                                                 fcport->loop_id));
3189                         } else {
3190                                 fcport->login_retry = 0;
3191                         }
3192
3193                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3194                                 fcport->loop_id = FC_NO_LOOP_ID;
3195                 }
3196                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3197                         break;
3198         }
3199 }
3200
3201 /**************************************************************************
3202 * qla2x00_do_dpc
3203 *   This kernel thread is a task that is schedule by the interrupt handler
3204 *   to perform the background processing for interrupts.
3205 *
3206 * Notes:
3207 * This task always run in the context of a kernel thread.  It
3208 * is kick-off by the driver's detect code and starts up
3209 * up one per adapter. It immediately goes to sleep and waits for
3210 * some fibre event.  When either the interrupt handler or
3211 * the timer routine detects a event it will one of the task
3212 * bits then wake us up.
3213 **************************************************************************/
3214 static int
3215 qla2x00_do_dpc(void *data)
3216 {
3217         int             rval;
3218         scsi_qla_host_t *base_vha;
3219         struct qla_hw_data *ha;
3220
3221         ha = (struct qla_hw_data *)data;
3222         base_vha = pci_get_drvdata(ha->pdev);
3223
3224         set_user_nice(current, -20);
3225
3226         while (!kthread_should_stop()) {
3227                 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
3228
3229                 set_current_state(TASK_INTERRUPTIBLE);
3230                 schedule();
3231                 __set_current_state(TASK_RUNNING);
3232
3233                 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
3234
3235                 /* Initialization not yet finished. Don't do anything yet. */
3236                 if (!base_vha->flags.init_done)
3237                         continue;
3238
3239                 if (ha->flags.eeh_busy) {
3240                         DEBUG17(qla_printk(KERN_WARNING, ha,
3241                             "qla2x00_do_dpc: dpc_flags: %lx\n",
3242                             base_vha->dpc_flags));
3243                         continue;
3244                 }
3245
3246                 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
3247
3248                 ha->dpc_active = 1;
3249
3250                 if (ha->flags.mbox_busy) {
3251                         ha->dpc_active = 0;
3252                         continue;
3253                 }
3254
3255                 qla2x00_do_work(base_vha);
3256
3257                 if (IS_QLA82XX(ha)) {
3258                         if (test_and_clear_bit(ISP_UNRECOVERABLE,
3259                                 &base_vha->dpc_flags)) {
3260                                 qla82xx_idc_lock(ha);
3261                                 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3262                                         QLA82XX_DEV_FAILED);
3263                                 qla82xx_idc_unlock(ha);
3264                                 qla_printk(KERN_INFO, ha,
3265                                         "HW State: FAILED\n");
3266                                 qla82xx_device_state_handler(base_vha);
3267                                 continue;
3268                         }
3269
3270                         if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3271                                 &base_vha->dpc_flags)) {
3272
3273                                 DEBUG(printk(KERN_INFO
3274                                         "scsi(%ld): dpc: sched "
3275                                         "qla82xx_fcoe_ctx_reset ha = %p\n",
3276                                         base_vha->host_no, ha));
3277                                 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3278                                         &base_vha->dpc_flags))) {
3279                                         if (qla82xx_fcoe_ctx_reset(base_vha)) {
3280                                                 /* FCoE-ctx reset failed.
3281                                                  * Escalate to chip-reset
3282                                                  */
3283                                                 set_bit(ISP_ABORT_NEEDED,
3284                                                         &base_vha->dpc_flags);
3285                                         }
3286                                         clear_bit(ABORT_ISP_ACTIVE,
3287                                                 &base_vha->dpc_flags);
3288                                 }
3289
3290                                 DEBUG(printk("scsi(%ld): dpc:"
3291                                         " qla82xx_fcoe_ctx_reset end\n",
3292                                         base_vha->host_no));
3293                         }
3294                 }
3295
3296                 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3297                                                 &base_vha->dpc_flags)) {
3298
3299                         DEBUG(printk("scsi(%ld): dpc: sched "
3300                             "qla2x00_abort_isp ha = %p\n",
3301                             base_vha->host_no, ha));
3302                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3303                             &base_vha->dpc_flags))) {
3304
3305                                 if (ha->isp_ops->abort_isp(base_vha)) {
3306                                         /* failed. retry later */
3307                                         set_bit(ISP_ABORT_NEEDED,
3308                                             &base_vha->dpc_flags);
3309                                 }
3310                                 clear_bit(ABORT_ISP_ACTIVE,
3311                                                 &base_vha->dpc_flags);
3312                         }
3313
3314                         DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
3315                             base_vha->host_no));
3316                 }
3317
3318                 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3319                         qla2x00_update_fcports(base_vha);
3320                         clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3321                 }
3322
3323                 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3324                                                         &base_vha->dpc_flags) &&
3325                     (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3326
3327                         DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
3328                             base_vha->host_no));
3329
3330                         qla2x00_rst_aen(base_vha);
3331                         clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3332                 }
3333
3334                 /* Retry each device up to login retry count */
3335                 if ((test_and_clear_bit(RELOGIN_NEEDED,
3336                                                 &base_vha->dpc_flags)) &&
3337                     !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3338                     atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3339
3340                         DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
3341                                         base_vha->host_no));
3342                         qla2x00_relogin(base_vha);
3343
3344                         DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
3345                             base_vha->host_no));
3346                 }
3347
3348                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3349                                                         &base_vha->dpc_flags)) {
3350
3351                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
3352                                 base_vha->host_no));
3353
3354                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3355                             &base_vha->dpc_flags))) {
3356
3357                                 rval = qla2x00_loop_resync(base_vha);
3358
3359                                 clear_bit(LOOP_RESYNC_ACTIVE,
3360                                                 &base_vha->dpc_flags);
3361                         }
3362
3363                         DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
3364                             base_vha->host_no));
3365                 }
3366
3367                 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3368                     atomic_read(&base_vha->loop_state) == LOOP_READY) {
3369                         clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3370                         qla2xxx_flash_npiv_conf(base_vha);
3371                 }
3372
3373                 if (!ha->interrupts_on)
3374                         ha->isp_ops->enable_intrs(ha);
3375
3376                 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3377                                         &base_vha->dpc_flags))
3378                         ha->isp_ops->beacon_blink(base_vha);
3379
3380                 qla2x00_do_dpc_all_vps(base_vha);
3381
3382                 ha->dpc_active = 0;
3383         } /* End of while(1) */
3384
3385         DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
3386
3387         /*
3388          * Make sure that nobody tries to wake us up again.
3389          */
3390         ha->dpc_active = 0;
3391
3392         /* Cleanup any residual CTX SRBs. */
3393         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3394
3395         return 0;
3396 }
3397
3398 void
3399 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3400 {
3401         struct qla_hw_data *ha = vha->hw;
3402         struct task_struct *t = ha->dpc_thread;
3403
3404         if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3405                 wake_up_process(t);
3406 }
3407
3408 /*
3409 *  qla2x00_rst_aen
3410 *      Processes asynchronous reset.
3411 *
3412 * Input:
3413 *      ha  = adapter block pointer.
3414 */
3415 static void
3416 qla2x00_rst_aen(scsi_qla_host_t *vha)
3417 {
3418         if (vha->flags.online && !vha->flags.reset_active &&
3419             !atomic_read(&vha->loop_down_timer) &&
3420             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3421                 do {
3422                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3423
3424                         /*
3425                          * Issue marker command only when we are going to start
3426                          * the I/O.
3427                          */
3428                         vha->marker_needed = 1;
3429                 } while (!atomic_read(&vha->loop_down_timer) &&
3430                     (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3431         }
3432 }
3433
3434 static void
3435 qla2x00_sp_free_dma(srb_t *sp)
3436 {
3437         struct scsi_cmnd *cmd = sp->cmd;
3438         struct qla_hw_data *ha = sp->fcport->vha->hw;
3439
3440         if (sp->flags & SRB_DMA_VALID) {
3441                 scsi_dma_unmap(cmd);
3442                 sp->flags &= ~SRB_DMA_VALID;
3443         }
3444
3445         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3446                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3447                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3448                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3449         }
3450
3451         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3452                 /* List assured to be having elements */
3453                 qla2x00_clean_dsd_pool(ha, sp);
3454                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3455         }
3456
3457         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3458                 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3459                     ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3460                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3461         }
3462
3463         CMD_SP(cmd) = NULL;
3464 }
3465
3466 void
3467 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3468 {
3469         struct scsi_cmnd *cmd = sp->cmd;
3470
3471         qla2x00_sp_free_dma(sp);
3472
3473         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3474                 struct ct6_dsd *ctx = sp->ctx;
3475                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3476                         ctx->fcp_cmnd_dma);
3477                 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3478                 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3479                 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3480                 mempool_free(sp->ctx, ha->ctx_mempool);
3481                 sp->ctx = NULL;
3482         }
3483
3484         mempool_free(sp, ha->srb_mempool);
3485         cmd->scsi_done(cmd);
3486 }
3487
3488 /**************************************************************************
3489 *   qla2x00_timer
3490 *
3491 * Description:
3492 *   One second timer
3493 *
3494 * Context: Interrupt
3495 ***************************************************************************/
3496 void
3497 qla2x00_timer(scsi_qla_host_t *vha)
3498 {
3499         unsigned long   cpu_flags = 0;
3500         fc_port_t       *fcport;
3501         int             start_dpc = 0;
3502         int             index;
3503         srb_t           *sp;
3504         int             t;
3505         uint16_t        w;
3506         struct qla_hw_data *ha = vha->hw;
3507         struct req_que *req;
3508
3509         if (IS_QLA82XX(ha))
3510                 qla82xx_watchdog(vha);
3511
3512         /* Hardware read to raise pending EEH errors during mailbox waits. */
3513         if (!pci_channel_offline(ha->pdev))
3514                 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3515         /*
3516          * Ports - Port down timer.
3517          *
3518          * Whenever, a port is in the LOST state we start decrementing its port
3519          * down timer every second until it reaches zero. Once  it reaches zero
3520          * the port it marked DEAD.
3521          */
3522         t = 0;
3523         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3524                 if (fcport->port_type != FCT_TARGET)
3525                         continue;
3526
3527                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3528
3529                         if (atomic_read(&fcport->port_down_timer) == 0)
3530                                 continue;
3531
3532                         if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
3533                                 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
3534
3535                         DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
3536                             "%d remaining\n",
3537                             vha->host_no,
3538                             t, atomic_read(&fcport->port_down_timer)));
3539                 }
3540                 t++;
3541         } /* End of for fcport  */
3542
3543
3544         /* Loop down handler. */
3545         if (atomic_read(&vha->loop_down_timer) > 0 &&
3546             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3547                 && vha->flags.online) {
3548
3549                 if (atomic_read(&vha->loop_down_timer) ==
3550                     vha->loop_down_abort_time) {
3551
3552                         DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3553                             "queues before time expire\n",
3554                             vha->host_no));
3555
3556                         if (!IS_QLA2100(ha) && vha->link_down_timeout)
3557                                 atomic_set(&vha->loop_state, LOOP_DEAD);
3558
3559                         /*
3560                          * Schedule an ISP abort to return any FCP2-device
3561                          * commands.
3562                          */
3563                         /* NPIV - scan physical port only */
3564                         if (!vha->vp_idx) {
3565                                 spin_lock_irqsave(&ha->hardware_lock,
3566                                     cpu_flags);
3567                                 req = ha->req_q_map[0];
3568                                 for (index = 1;
3569                                     index < MAX_OUTSTANDING_COMMANDS;
3570                                     index++) {
3571                                         fc_port_t *sfcp;
3572
3573                                         sp = req->outstanding_cmds[index];
3574                                         if (!sp)
3575                                                 continue;
3576                                         if (sp->ctx && !IS_PROT_IO(sp))
3577                                                 continue;
3578                                         sfcp = sp->fcport;
3579                                         if (!(sfcp->flags & FCF_FCP2_DEVICE))
3580                                                 continue;
3581
3582                                         set_bit(ISP_ABORT_NEEDED,
3583                                                         &vha->dpc_flags);
3584                                         break;
3585                                 }
3586                                 spin_unlock_irqrestore(&ha->hardware_lock,
3587                                                                 cpu_flags);
3588                         }
3589                         start_dpc++;
3590                 }
3591
3592                 /* if the loop has been down for 4 minutes, reinit adapter */
3593                 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3594                         if (!(vha->device_flags & DFLG_NO_CABLE)) {
3595                                 DEBUG(printk("scsi(%ld): Loop down - "
3596                                     "aborting ISP.\n",
3597                                     vha->host_no));
3598                                 qla_printk(KERN_WARNING, ha,
3599                                     "Loop down - aborting ISP.\n");
3600
3601                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3602                         }
3603                 }
3604                 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
3605                     vha->host_no,
3606                     atomic_read(&vha->loop_down_timer)));
3607         }
3608
3609         /* Check if beacon LED needs to be blinked */
3610         if (ha->beacon_blink_led == 1) {
3611                 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3612                 start_dpc++;
3613         }
3614
3615         /* Process any deferred work. */
3616         if (!list_empty(&vha->work_list))
3617                 start_dpc++;
3618
3619         /* Schedule the DPC routine if needed */
3620         if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3621             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3622             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3623             start_dpc ||
3624             test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3625             test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3626             test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3627             test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3628             test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3629             test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3630                 qla2xxx_wake_dpc(vha);
3631
3632         qla2x00_restart_timer(vha, WATCH_INTERVAL);
3633 }
3634
3635 /* Firmware interface routines. */
3636
3637 #define FW_BLOBS        8
3638 #define FW_ISP21XX      0
3639 #define FW_ISP22XX      1
3640 #define FW_ISP2300      2
3641 #define FW_ISP2322      3
3642 #define FW_ISP24XX      4
3643 #define FW_ISP25XX      5
3644 #define FW_ISP81XX      6
3645 #define FW_ISP82XX      7
3646
3647 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3648 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3649 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3650 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3651 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3652 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3653 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3654 #define FW_FILE_ISP82XX "ql8200_fw.bin"
3655
3656 static DEFINE_MUTEX(qla_fw_lock);
3657
3658 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3659         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3660         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3661         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3662         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3663         { .name = FW_FILE_ISP24XX, },
3664         { .name = FW_FILE_ISP25XX, },
3665         { .name = FW_FILE_ISP81XX, },
3666         { .name = FW_FILE_ISP82XX, },
3667 };
3668
3669 struct fw_blob *
3670 qla2x00_request_firmware(scsi_qla_host_t *vha)
3671 {
3672         struct qla_hw_data *ha = vha->hw;
3673         struct fw_blob *blob;
3674
3675         blob = NULL;
3676         if (IS_QLA2100(ha)) {
3677                 blob = &qla_fw_blobs[FW_ISP21XX];
3678         } else if (IS_QLA2200(ha)) {
3679                 blob = &qla_fw_blobs[FW_ISP22XX];
3680         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3681                 blob = &qla_fw_blobs[FW_ISP2300];
3682         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3683                 blob = &qla_fw_blobs[FW_ISP2322];
3684         } else if (IS_QLA24XX_TYPE(ha)) {
3685                 blob = &qla_fw_blobs[FW_ISP24XX];
3686         } else if (IS_QLA25XX(ha)) {
3687                 blob = &qla_fw_blobs[FW_ISP25XX];
3688         } else if (IS_QLA81XX(ha)) {
3689                 blob = &qla_fw_blobs[FW_ISP81XX];
3690         } else if (IS_QLA82XX(ha)) {
3691                 blob = &qla_fw_blobs[FW_ISP82XX];
3692         }
3693
3694         mutex_lock(&qla_fw_lock);
3695         if (blob->fw)
3696                 goto out;
3697
3698         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3699                 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3700                     "(%s).\n", vha->host_no, blob->name));
3701                 blob->fw = NULL;
3702                 blob = NULL;
3703                 goto out;
3704         }
3705
3706 out:
3707         mutex_unlock(&qla_fw_lock);
3708         return blob;
3709 }
3710
3711 static void
3712 qla2x00_release_firmware(void)
3713 {
3714         int idx;
3715
3716         mutex_lock(&qla_fw_lock);
3717         for (idx = 0; idx < FW_BLOBS; idx++)
3718                 if (qla_fw_blobs[idx].fw)
3719                         release_firmware(qla_fw_blobs[idx].fw);
3720         mutex_unlock(&qla_fw_lock);
3721 }
3722
3723 static pci_ers_result_t
3724 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3725 {
3726         scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3727         struct qla_hw_data *ha = vha->hw;
3728
3729         DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3730             state));
3731
3732         switch (state) {
3733         case pci_channel_io_normal:
3734                 ha->flags.eeh_busy = 0;
3735                 return PCI_ERS_RESULT_CAN_RECOVER;
3736         case pci_channel_io_frozen:
3737                 ha->flags.eeh_busy = 1;
3738                 qla2x00_free_irqs(vha);
3739                 pci_disable_device(pdev);
3740                 return PCI_ERS_RESULT_NEED_RESET;
3741         case pci_channel_io_perm_failure:
3742                 ha->flags.pci_channel_io_perm_failure = 1;
3743                 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3744                 return PCI_ERS_RESULT_DISCONNECT;
3745         }
3746         return PCI_ERS_RESULT_NEED_RESET;
3747 }
3748
3749 static pci_ers_result_t
3750 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3751 {
3752         int risc_paused = 0;
3753         uint32_t stat;
3754         unsigned long flags;
3755         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3756         struct qla_hw_data *ha = base_vha->hw;
3757         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3758         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3759
3760         spin_lock_irqsave(&ha->hardware_lock, flags);
3761         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3762                 stat = RD_REG_DWORD(&reg->hccr);
3763                 if (stat & HCCR_RISC_PAUSE)
3764                         risc_paused = 1;
3765         } else if (IS_QLA23XX(ha)) {
3766                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3767                 if (stat & HSR_RISC_PAUSED)
3768                         risc_paused = 1;
3769         } else if (IS_FWI2_CAPABLE(ha)) {
3770                 stat = RD_REG_DWORD(&reg24->host_status);
3771                 if (stat & HSRX_RISC_PAUSED)
3772                         risc_paused = 1;
3773         }
3774         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3775
3776         if (risc_paused) {
3777                 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3778                     "Dumping firmware!\n");
3779                 ha->isp_ops->fw_dump(base_vha, 0);
3780
3781                 return PCI_ERS_RESULT_NEED_RESET;
3782         } else
3783                 return PCI_ERS_RESULT_RECOVERED;
3784 }
3785
3786 static pci_ers_result_t
3787 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3788 {
3789         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3790         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3791         struct qla_hw_data *ha = base_vha->hw;
3792         struct rsp_que *rsp;
3793         int rc, retries = 10;
3794
3795         DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3796
3797         /* Workaround: qla2xxx driver which access hardware earlier
3798          * needs error state to be pci_channel_io_online.
3799          * Otherwise mailbox command timesout.
3800          */
3801         pdev->error_state = pci_channel_io_normal;
3802
3803         pci_restore_state(pdev);
3804
3805         /* pci_restore_state() clears the saved_state flag of the device
3806          * save restored state which resets saved_state flag
3807          */
3808         pci_save_state(pdev);
3809
3810         if (ha->mem_only)
3811                 rc = pci_enable_device_mem(pdev);
3812         else
3813                 rc = pci_enable_device(pdev);
3814
3815         if (rc) {
3816                 qla_printk(KERN_WARNING, ha,
3817                     "Can't re-enable PCI device after reset.\n");
3818                 return ret;
3819         }
3820
3821         rsp = ha->rsp_q_map[0];
3822         if (qla2x00_request_irqs(ha, rsp))
3823                 return ret;
3824
3825         if (ha->isp_ops->pci_config(base_vha))
3826                 return ret;
3827
3828         while (ha->flags.mbox_busy && retries--)
3829                 msleep(1000);
3830
3831         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3832         if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
3833                 ret =  PCI_ERS_RESULT_RECOVERED;
3834         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3835
3836
3837         DEBUG17(qla_printk(KERN_WARNING, ha,
3838             "slot_reset-return:ret=%x\n", ret));
3839
3840         return ret;
3841 }
3842
3843 static void
3844 qla2xxx_pci_resume(struct pci_dev *pdev)
3845 {
3846         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3847         struct qla_hw_data *ha = base_vha->hw;
3848         int ret;
3849
3850         DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
3851
3852         ret = qla2x00_wait_for_hba_online(base_vha);
3853         if (ret != QLA_SUCCESS) {
3854                 qla_printk(KERN_ERR, ha,
3855                     "the device failed to resume I/O "
3856                     "from slot/link_reset");
3857         }
3858
3859         pci_cleanup_aer_uncorrect_error_status(pdev);
3860
3861         ha->flags.eeh_busy = 0;
3862 }
3863
3864 static struct pci_error_handlers qla2xxx_err_handler = {
3865         .error_detected = qla2xxx_pci_error_detected,
3866         .mmio_enabled = qla2xxx_pci_mmio_enabled,
3867         .slot_reset = qla2xxx_pci_slot_reset,
3868         .resume = qla2xxx_pci_resume,
3869 };
3870
3871 static struct pci_device_id qla2xxx_pci_tbl[] = {
3872         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3873         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3874         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3875         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3876         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3877         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3878         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3879         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3880         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3881         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3882         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3883         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3884         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3885         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3886         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
3887         { 0 },
3888 };
3889 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3890
3891 static struct pci_driver qla2xxx_pci_driver = {
3892         .name           = QLA2XXX_DRIVER_NAME,
3893         .driver         = {
3894                 .owner          = THIS_MODULE,
3895         },
3896         .id_table       = qla2xxx_pci_tbl,
3897         .probe          = qla2x00_probe_one,
3898         .remove         = qla2x00_remove_one,
3899         .err_handler    = &qla2xxx_err_handler,
3900 };
3901
3902 static struct file_operations apidev_fops = {
3903         .owner = THIS_MODULE,
3904 };
3905
3906 /**
3907  * qla2x00_module_init - Module initialization.
3908  **/
3909 static int __init
3910 qla2x00_module_init(void)
3911 {
3912         int ret = 0;
3913
3914         /* Allocate cache for SRBs. */
3915         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3916             SLAB_HWCACHE_ALIGN, NULL);
3917         if (srb_cachep == NULL) {
3918                 printk(KERN_ERR
3919                     "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3920                 return -ENOMEM;
3921         }
3922
3923         /* Derive version string. */
3924         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3925         if (ql2xextended_error_logging)
3926                 strcat(qla2x00_version_str, "-debug");
3927
3928         qla2xxx_transport_template =
3929             fc_attach_transport(&qla2xxx_transport_functions);
3930         if (!qla2xxx_transport_template) {
3931                 kmem_cache_destroy(srb_cachep);
3932                 return -ENODEV;
3933         }
3934
3935         apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
3936         if (apidev_major < 0) {
3937                 printk(KERN_WARNING "qla2xxx: Unable to register char device "
3938                     "%s\n", QLA2XXX_APIDEV);
3939         }
3940
3941         qla2xxx_transport_vport_template =
3942             fc_attach_transport(&qla2xxx_transport_vport_functions);
3943         if (!qla2xxx_transport_vport_template) {
3944                 kmem_cache_destroy(srb_cachep);
3945                 fc_release_transport(qla2xxx_transport_template);
3946                 return -ENODEV;
3947         }
3948
3949         printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3950             qla2x00_version_str);
3951         ret = pci_register_driver(&qla2xxx_pci_driver);
3952         if (ret) {
3953                 kmem_cache_destroy(srb_cachep);
3954                 fc_release_transport(qla2xxx_transport_template);
3955                 fc_release_transport(qla2xxx_transport_vport_template);
3956         }
3957         return ret;
3958 }
3959
3960 /**
3961  * qla2x00_module_exit - Module cleanup.
3962  **/
3963 static void __exit
3964 qla2x00_module_exit(void)
3965 {
3966         unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
3967         pci_unregister_driver(&qla2xxx_pci_driver);
3968         qla2x00_release_firmware();
3969         kmem_cache_destroy(srb_cachep);
3970         if (ctx_cachep)
3971                 kmem_cache_destroy(ctx_cachep);
3972         fc_release_transport(qla2xxx_transport_template);
3973         fc_release_transport(qla2xxx_transport_vport_template);
3974 }
3975
3976 module_init(qla2x00_module_init);
3977 module_exit(qla2x00_module_exit);
3978
3979 MODULE_AUTHOR("QLogic Corporation");
3980 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
3981 MODULE_LICENSE("GPL");
3982 MODULE_VERSION(QLA2XXX_VERSION);
3983 MODULE_FIRMWARE(FW_FILE_ISP21XX);
3984 MODULE_FIRMWARE(FW_FILE_ISP22XX);
3985 MODULE_FIRMWARE(FW_FILE_ISP2300);
3986 MODULE_FIRMWARE(FW_FILE_ISP2322);
3987 MODULE_FIRMWARE(FW_FILE_ISP24XX);
3988 MODULE_FIRMWARE(FW_FILE_ISP25XX);